1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2012, 2016 Chelsio Communications, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD: stable/12/sys/dev/cxgbe/common/t4_hw.c 370949 2021-10-21 00:10:45Z np $");
31
32 #include "opt_inet.h"
33
34 #include <sys/param.h>
35 #include <sys/eventhandler.h>
36
37 #include "common.h"
38 #include "t4_regs.h"
39 #include "t4_regs_values.h"
40 #include "firmware/t4fw_interface.h"
41
42 #undef msleep
43 #define msleep(x) do { \
44 if (cold) \
45 DELAY((x) * 1000); \
46 else \
47 pause("t4hw", (x) * hz / 1000); \
48 } while (0)
49
50 /**
51 * t4_wait_op_done_val - wait until an operation is completed
52 * @adapter: the adapter performing the operation
53 * @reg: the register to check for completion
54 * @mask: a single-bit field within @reg that indicates completion
55 * @polarity: the value of the field when the operation is completed
56 * @attempts: number of check iterations
57 * @delay: delay in usecs between iterations
58 * @valp: where to store the value of the register at completion time
59 *
60 * Wait until an operation is completed by checking a bit in a register
61 * up to @attempts times. If @valp is not NULL the value of the register
62 * at the time it indicated completion is stored there. Returns 0 if the
63 * operation completes and -EAGAIN otherwise.
64 */
t4_wait_op_done_val(struct adapter * adapter,int reg,u32 mask,int polarity,int attempts,int delay,u32 * valp)65 static int t4_wait_op_done_val(struct adapter *adapter, int reg, u32 mask,
66 int polarity, int attempts, int delay, u32 *valp)
67 {
68 while (1) {
69 u32 val = t4_read_reg(adapter, reg);
70
71 if (!!(val & mask) == polarity) {
72 if (valp)
73 *valp = val;
74 return 0;
75 }
76 if (--attempts == 0)
77 return -EAGAIN;
78 if (delay)
79 udelay(delay);
80 }
81 }
82
t4_wait_op_done(struct adapter * adapter,int reg,u32 mask,int polarity,int attempts,int delay)83 static inline int t4_wait_op_done(struct adapter *adapter, int reg, u32 mask,
84 int polarity, int attempts, int delay)
85 {
86 return t4_wait_op_done_val(adapter, reg, mask, polarity, attempts,
87 delay, NULL);
88 }
89
90 /**
91 * t4_set_reg_field - set a register field to a value
92 * @adapter: the adapter to program
93 * @addr: the register address
94 * @mask: specifies the portion of the register to modify
95 * @val: the new value for the register field
96 *
97 * Sets a register field specified by the supplied mask to the
98 * given value.
99 */
t4_set_reg_field(struct adapter * adapter,unsigned int addr,u32 mask,u32 val)100 void t4_set_reg_field(struct adapter *adapter, unsigned int addr, u32 mask,
101 u32 val)
102 {
103 u32 v = t4_read_reg(adapter, addr) & ~mask;
104
105 t4_write_reg(adapter, addr, v | val);
106 (void) t4_read_reg(adapter, addr); /* flush */
107 }
108
109 /**
110 * t4_read_indirect - read indirectly addressed registers
111 * @adap: the adapter
112 * @addr_reg: register holding the indirect address
113 * @data_reg: register holding the value of the indirect register
114 * @vals: where the read register values are stored
115 * @nregs: how many indirect registers to read
116 * @start_idx: index of first indirect register to read
117 *
118 * Reads registers that are accessed indirectly through an address/data
119 * register pair.
120 */
t4_read_indirect(struct adapter * adap,unsigned int addr_reg,unsigned int data_reg,u32 * vals,unsigned int nregs,unsigned int start_idx)121 void t4_read_indirect(struct adapter *adap, unsigned int addr_reg,
122 unsigned int data_reg, u32 *vals,
123 unsigned int nregs, unsigned int start_idx)
124 {
125 while (nregs--) {
126 t4_write_reg(adap, addr_reg, start_idx);
127 *vals++ = t4_read_reg(adap, data_reg);
128 start_idx++;
129 }
130 }
131
132 /**
133 * t4_write_indirect - write indirectly addressed registers
134 * @adap: the adapter
135 * @addr_reg: register holding the indirect addresses
136 * @data_reg: register holding the value for the indirect registers
137 * @vals: values to write
138 * @nregs: how many indirect registers to write
139 * @start_idx: address of first indirect register to write
140 *
141 * Writes a sequential block of registers that are accessed indirectly
142 * through an address/data register pair.
143 */
t4_write_indirect(struct adapter * adap,unsigned int addr_reg,unsigned int data_reg,const u32 * vals,unsigned int nregs,unsigned int start_idx)144 void t4_write_indirect(struct adapter *adap, unsigned int addr_reg,
145 unsigned int data_reg, const u32 *vals,
146 unsigned int nregs, unsigned int start_idx)
147 {
148 while (nregs--) {
149 t4_write_reg(adap, addr_reg, start_idx++);
150 t4_write_reg(adap, data_reg, *vals++);
151 }
152 }
153
154 /*
155 * Read a 32-bit PCI Configuration Space register via the PCI-E backdoor
156 * mechanism. This guarantees that we get the real value even if we're
157 * operating within a Virtual Machine and the Hypervisor is trapping our
158 * Configuration Space accesses.
159 *
160 * N.B. This routine should only be used as a last resort: the firmware uses
161 * the backdoor registers on a regular basis and we can end up
162 * conflicting with it's uses!
163 */
t4_hw_pci_read_cfg4(adapter_t * adap,int reg)164 u32 t4_hw_pci_read_cfg4(adapter_t *adap, int reg)
165 {
166 u32 req = V_FUNCTION(adap->pf) | V_REGISTER(reg);
167 u32 val;
168
169 if (chip_id(adap) <= CHELSIO_T5)
170 req |= F_ENABLE;
171 else
172 req |= F_T6_ENABLE;
173
174 if (is_t4(adap))
175 req |= F_LOCALCFG;
176
177 t4_write_reg(adap, A_PCIE_CFG_SPACE_REQ, req);
178 val = t4_read_reg(adap, A_PCIE_CFG_SPACE_DATA);
179
180 /*
181 * Reset F_ENABLE to 0 so reads of PCIE_CFG_SPACE_DATA won't cause a
182 * Configuration Space read. (None of the other fields matter when
183 * F_ENABLE is 0 so a simple register write is easier than a
184 * read-modify-write via t4_set_reg_field().)
185 */
186 t4_write_reg(adap, A_PCIE_CFG_SPACE_REQ, 0);
187
188 return val;
189 }
190
191 /*
192 * t4_report_fw_error - report firmware error
193 * @adap: the adapter
194 *
195 * The adapter firmware can indicate error conditions to the host.
196 * If the firmware has indicated an error, print out the reason for
197 * the firmware error.
198 */
t4_report_fw_error(struct adapter * adap)199 static void t4_report_fw_error(struct adapter *adap)
200 {
201 static const char *const reason[] = {
202 "Crash", /* PCIE_FW_EVAL_CRASH */
203 "During Device Preparation", /* PCIE_FW_EVAL_PREP */
204 "During Device Configuration", /* PCIE_FW_EVAL_CONF */
205 "During Device Initialization", /* PCIE_FW_EVAL_INIT */
206 "Unexpected Event", /* PCIE_FW_EVAL_UNEXPECTEDEVENT */
207 "Insufficient Airflow", /* PCIE_FW_EVAL_OVERHEAT */
208 "Device Shutdown", /* PCIE_FW_EVAL_DEVICESHUTDOWN */
209 "Reserved", /* reserved */
210 };
211 u32 pcie_fw;
212
213 pcie_fw = t4_read_reg(adap, A_PCIE_FW);
214 if (pcie_fw & F_PCIE_FW_ERR) {
215 adap->flags &= ~FW_OK;
216 CH_ERR(adap, "firmware reports adapter error: %s (0x%08x)\n",
217 reason[G_PCIE_FW_EVAL(pcie_fw)], pcie_fw);
218 if (pcie_fw != 0xffffffff)
219 t4_os_dump_devlog(adap);
220 }
221 }
222
223 /*
224 * Get the reply to a mailbox command and store it in @rpl in big-endian order.
225 */
get_mbox_rpl(struct adapter * adap,__be64 * rpl,int nflit,u32 mbox_addr)226 static void get_mbox_rpl(struct adapter *adap, __be64 *rpl, int nflit,
227 u32 mbox_addr)
228 {
229 for ( ; nflit; nflit--, mbox_addr += 8)
230 *rpl++ = cpu_to_be64(t4_read_reg64(adap, mbox_addr));
231 }
232
233 /*
234 * Handle a FW assertion reported in a mailbox.
235 */
fw_asrt(struct adapter * adap,struct fw_debug_cmd * asrt)236 static void fw_asrt(struct adapter *adap, struct fw_debug_cmd *asrt)
237 {
238 CH_ALERT(adap,
239 "FW assertion at %.16s:%u, val0 %#x, val1 %#x\n",
240 asrt->u.assert.filename_0_7,
241 be32_to_cpu(asrt->u.assert.line),
242 be32_to_cpu(asrt->u.assert.x),
243 be32_to_cpu(asrt->u.assert.y));
244 }
245
246 struct port_tx_state {
247 uint64_t rx_pause;
248 uint64_t tx_frames;
249 };
250
251 static void
read_tx_state_one(struct adapter * sc,int i,struct port_tx_state * tx_state)252 read_tx_state_one(struct adapter *sc, int i, struct port_tx_state *tx_state)
253 {
254 uint32_t rx_pause_reg, tx_frames_reg;
255
256 if (is_t4(sc)) {
257 tx_frames_reg = PORT_REG(i, A_MPS_PORT_STAT_TX_PORT_FRAMES_L);
258 rx_pause_reg = PORT_REG(i, A_MPS_PORT_STAT_RX_PORT_PAUSE_L);
259 } else {
260 tx_frames_reg = T5_PORT_REG(i, A_MPS_PORT_STAT_TX_PORT_FRAMES_L);
261 rx_pause_reg = T5_PORT_REG(i, A_MPS_PORT_STAT_RX_PORT_PAUSE_L);
262 }
263
264 tx_state->rx_pause = t4_read_reg64(sc, rx_pause_reg);
265 tx_state->tx_frames = t4_read_reg64(sc, tx_frames_reg);
266 }
267
268 static void
read_tx_state(struct adapter * sc,struct port_tx_state * tx_state)269 read_tx_state(struct adapter *sc, struct port_tx_state *tx_state)
270 {
271 int i;
272
273 for_each_port(sc, i)
274 read_tx_state_one(sc, i, &tx_state[i]);
275 }
276
277 static void
check_tx_state(struct adapter * sc,struct port_tx_state * tx_state)278 check_tx_state(struct adapter *sc, struct port_tx_state *tx_state)
279 {
280 uint32_t port_ctl_reg;
281 uint64_t tx_frames, rx_pause;
282 int i;
283
284 for_each_port(sc, i) {
285 rx_pause = tx_state[i].rx_pause;
286 tx_frames = tx_state[i].tx_frames;
287 read_tx_state_one(sc, i, &tx_state[i]); /* update */
288
289 if (is_t4(sc))
290 port_ctl_reg = PORT_REG(i, A_MPS_PORT_CTL);
291 else
292 port_ctl_reg = T5_PORT_REG(i, A_MPS_PORT_CTL);
293 if (t4_read_reg(sc, port_ctl_reg) & F_PORTTXEN &&
294 rx_pause != tx_state[i].rx_pause &&
295 tx_frames == tx_state[i].tx_frames) {
296 t4_set_reg_field(sc, port_ctl_reg, F_PORTTXEN, 0);
297 mdelay(1);
298 t4_set_reg_field(sc, port_ctl_reg, F_PORTTXEN, F_PORTTXEN);
299 }
300 }
301 }
302
303 #define X_CIM_PF_NOACCESS 0xeeeeeeee
304 /**
305 * t4_wr_mbox_meat_timeout - send a command to FW through the given mailbox
306 * @adap: the adapter
307 * @mbox: index of the mailbox to use
308 * @cmd: the command to write
309 * @size: command length in bytes
310 * @rpl: where to optionally store the reply
311 * @sleep_ok: if true we may sleep while awaiting command completion
312 * @timeout: time to wait for command to finish before timing out
313 * (negative implies @sleep_ok=false)
314 *
315 * Sends the given command to FW through the selected mailbox and waits
316 * for the FW to execute the command. If @rpl is not %NULL it is used to
317 * store the FW's reply to the command. The command and its optional
318 * reply are of the same length. Some FW commands like RESET and
319 * INITIALIZE can take a considerable amount of time to execute.
320 * @sleep_ok determines whether we may sleep while awaiting the response.
321 * If sleeping is allowed we use progressive backoff otherwise we spin.
322 * Note that passing in a negative @timeout is an alternate mechanism
323 * for specifying @sleep_ok=false. This is useful when a higher level
324 * interface allows for specification of @timeout but not @sleep_ok ...
325 *
326 * The return value is 0 on success or a negative errno on failure. A
327 * failure can happen either because we are not able to execute the
328 * command or FW executes it but signals an error. In the latter case
329 * the return value is the error code indicated by FW (negated).
330 */
t4_wr_mbox_meat_timeout(struct adapter * adap,int mbox,const void * cmd,int size,void * rpl,bool sleep_ok,int timeout)331 int t4_wr_mbox_meat_timeout(struct adapter *adap, int mbox, const void *cmd,
332 int size, void *rpl, bool sleep_ok, int timeout)
333 {
334 /*
335 * We delay in small increments at first in an effort to maintain
336 * responsiveness for simple, fast executing commands but then back
337 * off to larger delays to a maximum retry delay.
338 */
339 static const int delay[] = {
340 1, 1, 3, 5, 10, 10, 20, 50, 100
341 };
342 u32 v;
343 u64 res;
344 int i, ms, delay_idx, ret, next_tx_check;
345 u32 data_reg = PF_REG(mbox, A_CIM_PF_MAILBOX_DATA);
346 u32 ctl_reg = PF_REG(mbox, A_CIM_PF_MAILBOX_CTRL);
347 u32 ctl;
348 __be64 cmd_rpl[MBOX_LEN/8];
349 u32 pcie_fw;
350 struct port_tx_state tx_state[MAX_NPORTS];
351
352 if (adap->flags & CHK_MBOX_ACCESS)
353 ASSERT_SYNCHRONIZED_OP(adap);
354
355 if (size <= 0 || (size & 15) || size > MBOX_LEN)
356 return -EINVAL;
357
358 if (adap->flags & IS_VF) {
359 if (is_t6(adap))
360 data_reg = FW_T6VF_MBDATA_BASE_ADDR;
361 else
362 data_reg = FW_T4VF_MBDATA_BASE_ADDR;
363 ctl_reg = VF_CIM_REG(A_CIM_VF_EXT_MAILBOX_CTRL);
364 }
365
366 /*
367 * If we have a negative timeout, that implies that we can't sleep.
368 */
369 if (timeout < 0) {
370 sleep_ok = false;
371 timeout = -timeout;
372 }
373
374 /*
375 * Attempt to gain access to the mailbox.
376 */
377 for (i = 0; i < 4; i++) {
378 ctl = t4_read_reg(adap, ctl_reg);
379 v = G_MBOWNER(ctl);
380 if (v != X_MBOWNER_NONE)
381 break;
382 }
383
384 /*
385 * If we were unable to gain access, report the error to our caller.
386 */
387 if (v != X_MBOWNER_PL) {
388 t4_report_fw_error(adap);
389 ret = (v == X_MBOWNER_FW) ? -EBUSY : -ETIMEDOUT;
390 return ret;
391 }
392
393 /*
394 * If we gain ownership of the mailbox and there's a "valid" message
395 * in it, this is likely an asynchronous error message from the
396 * firmware. So we'll report that and then proceed on with attempting
397 * to issue our own command ... which may well fail if the error
398 * presaged the firmware crashing ...
399 */
400 if (ctl & F_MBMSGVALID) {
401 CH_DUMP_MBOX(adap, mbox, data_reg, "VLD", NULL, true);
402 }
403
404 /*
405 * Copy in the new mailbox command and send it on its way ...
406 */
407 memset(cmd_rpl, 0, sizeof(cmd_rpl));
408 memcpy(cmd_rpl, cmd, size);
409 CH_DUMP_MBOX(adap, mbox, 0, "cmd", cmd_rpl, false);
410 for (i = 0; i < ARRAY_SIZE(cmd_rpl); i++)
411 t4_write_reg64(adap, data_reg + i * 8, be64_to_cpu(cmd_rpl[i]));
412
413 if (adap->flags & IS_VF) {
414 /*
415 * For the VFs, the Mailbox Data "registers" are
416 * actually backed by T4's "MA" interface rather than
417 * PL Registers (as is the case for the PFs). Because
418 * these are in different coherency domains, the write
419 * to the VF's PL-register-backed Mailbox Control can
420 * race in front of the writes to the MA-backed VF
421 * Mailbox Data "registers". So we need to do a
422 * read-back on at least one byte of the VF Mailbox
423 * Data registers before doing the write to the VF
424 * Mailbox Control register.
425 */
426 t4_read_reg(adap, data_reg);
427 }
428
429 t4_write_reg(adap, ctl_reg, F_MBMSGVALID | V_MBOWNER(X_MBOWNER_FW));
430 read_tx_state(adap, &tx_state[0]); /* also flushes the write_reg */
431 next_tx_check = 1000;
432 delay_idx = 0;
433 ms = delay[0];
434
435 /*
436 * Loop waiting for the reply; bail out if we time out or the firmware
437 * reports an error.
438 */
439 pcie_fw = 0;
440 for (i = 0; i < timeout; i += ms) {
441 if (!(adap->flags & IS_VF)) {
442 pcie_fw = t4_read_reg(adap, A_PCIE_FW);
443 if (pcie_fw & F_PCIE_FW_ERR)
444 break;
445 }
446
447 if (i >= next_tx_check) {
448 check_tx_state(adap, &tx_state[0]);
449 next_tx_check = i + 1000;
450 }
451
452 if (sleep_ok) {
453 ms = delay[delay_idx]; /* last element may repeat */
454 if (delay_idx < ARRAY_SIZE(delay) - 1)
455 delay_idx++;
456 msleep(ms);
457 } else {
458 mdelay(ms);
459 }
460
461 v = t4_read_reg(adap, ctl_reg);
462 if (v == X_CIM_PF_NOACCESS)
463 continue;
464 if (G_MBOWNER(v) == X_MBOWNER_PL) {
465 if (!(v & F_MBMSGVALID)) {
466 t4_write_reg(adap, ctl_reg,
467 V_MBOWNER(X_MBOWNER_NONE));
468 continue;
469 }
470
471 /*
472 * Retrieve the command reply and release the mailbox.
473 */
474 get_mbox_rpl(adap, cmd_rpl, MBOX_LEN/8, data_reg);
475 CH_DUMP_MBOX(adap, mbox, 0, "rpl", cmd_rpl, false);
476 t4_write_reg(adap, ctl_reg, V_MBOWNER(X_MBOWNER_NONE));
477
478 res = be64_to_cpu(cmd_rpl[0]);
479 if (G_FW_CMD_OP(res >> 32) == FW_DEBUG_CMD) {
480 fw_asrt(adap, (struct fw_debug_cmd *)cmd_rpl);
481 res = V_FW_CMD_RETVAL(EIO);
482 } else if (rpl)
483 memcpy(rpl, cmd_rpl, size);
484 return -G_FW_CMD_RETVAL((int)res);
485 }
486 }
487
488 /*
489 * We timed out waiting for a reply to our mailbox command. Report
490 * the error and also check to see if the firmware reported any
491 * errors ...
492 */
493 CH_ERR(adap, "command %#x in mbox %d timed out (0x%08x).\n",
494 *(const u8 *)cmd, mbox, pcie_fw);
495 CH_DUMP_MBOX(adap, mbox, 0, "cmdsent", cmd_rpl, true);
496 CH_DUMP_MBOX(adap, mbox, data_reg, "current", NULL, true);
497
498 if (pcie_fw & F_PCIE_FW_ERR) {
499 ret = -ENXIO;
500 t4_report_fw_error(adap);
501 } else {
502 ret = -ETIMEDOUT;
503 t4_os_dump_devlog(adap);
504 }
505
506 t4_fatal_err(adap, true);
507 return ret;
508 }
509
t4_wr_mbox_meat(struct adapter * adap,int mbox,const void * cmd,int size,void * rpl,bool sleep_ok)510 int t4_wr_mbox_meat(struct adapter *adap, int mbox, const void *cmd, int size,
511 void *rpl, bool sleep_ok)
512 {
513 return t4_wr_mbox_meat_timeout(adap, mbox, cmd, size, rpl,
514 sleep_ok, FW_CMD_MAX_TIMEOUT);
515
516 }
517
t4_edc_err_read(struct adapter * adap,int idx)518 static int t4_edc_err_read(struct adapter *adap, int idx)
519 {
520 u32 edc_ecc_err_addr_reg;
521 u32 edc_bist_status_rdata_reg;
522
523 if (is_t4(adap)) {
524 CH_WARN(adap, "%s: T4 NOT supported.\n", __func__);
525 return 0;
526 }
527 if (idx != MEM_EDC0 && idx != MEM_EDC1) {
528 CH_WARN(adap, "%s: idx %d NOT supported.\n", __func__, idx);
529 return 0;
530 }
531
532 edc_ecc_err_addr_reg = EDC_T5_REG(A_EDC_H_ECC_ERR_ADDR, idx);
533 edc_bist_status_rdata_reg = EDC_T5_REG(A_EDC_H_BIST_STATUS_RDATA, idx);
534
535 CH_WARN(adap,
536 "edc%d err addr 0x%x: 0x%x.\n",
537 idx, edc_ecc_err_addr_reg,
538 t4_read_reg(adap, edc_ecc_err_addr_reg));
539 CH_WARN(adap,
540 "bist: 0x%x, status %llx %llx %llx %llx %llx %llx %llx %llx %llx.\n",
541 edc_bist_status_rdata_reg,
542 (unsigned long long)t4_read_reg64(adap, edc_bist_status_rdata_reg),
543 (unsigned long long)t4_read_reg64(adap, edc_bist_status_rdata_reg + 8),
544 (unsigned long long)t4_read_reg64(adap, edc_bist_status_rdata_reg + 16),
545 (unsigned long long)t4_read_reg64(adap, edc_bist_status_rdata_reg + 24),
546 (unsigned long long)t4_read_reg64(adap, edc_bist_status_rdata_reg + 32),
547 (unsigned long long)t4_read_reg64(adap, edc_bist_status_rdata_reg + 40),
548 (unsigned long long)t4_read_reg64(adap, edc_bist_status_rdata_reg + 48),
549 (unsigned long long)t4_read_reg64(adap, edc_bist_status_rdata_reg + 56),
550 (unsigned long long)t4_read_reg64(adap, edc_bist_status_rdata_reg + 64));
551
552 return 0;
553 }
554
555 /**
556 * t4_mc_read - read from MC through backdoor accesses
557 * @adap: the adapter
558 * @idx: which MC to access
559 * @addr: address of first byte requested
560 * @data: 64 bytes of data containing the requested address
561 * @ecc: where to store the corresponding 64-bit ECC word
562 *
563 * Read 64 bytes of data from MC starting at a 64-byte-aligned address
564 * that covers the requested address @addr. If @parity is not %NULL it
565 * is assigned the 64-bit ECC word for the read data.
566 */
t4_mc_read(struct adapter * adap,int idx,u32 addr,__be32 * data,u64 * ecc)567 int t4_mc_read(struct adapter *adap, int idx, u32 addr, __be32 *data, u64 *ecc)
568 {
569 int i;
570 u32 mc_bist_cmd_reg, mc_bist_cmd_addr_reg, mc_bist_cmd_len_reg;
571 u32 mc_bist_status_rdata_reg, mc_bist_data_pattern_reg;
572
573 if (is_t4(adap)) {
574 mc_bist_cmd_reg = A_MC_BIST_CMD;
575 mc_bist_cmd_addr_reg = A_MC_BIST_CMD_ADDR;
576 mc_bist_cmd_len_reg = A_MC_BIST_CMD_LEN;
577 mc_bist_status_rdata_reg = A_MC_BIST_STATUS_RDATA;
578 mc_bist_data_pattern_reg = A_MC_BIST_DATA_PATTERN;
579 } else {
580 mc_bist_cmd_reg = MC_REG(A_MC_P_BIST_CMD, idx);
581 mc_bist_cmd_addr_reg = MC_REG(A_MC_P_BIST_CMD_ADDR, idx);
582 mc_bist_cmd_len_reg = MC_REG(A_MC_P_BIST_CMD_LEN, idx);
583 mc_bist_status_rdata_reg = MC_REG(A_MC_P_BIST_STATUS_RDATA,
584 idx);
585 mc_bist_data_pattern_reg = MC_REG(A_MC_P_BIST_DATA_PATTERN,
586 idx);
587 }
588
589 if (t4_read_reg(adap, mc_bist_cmd_reg) & F_START_BIST)
590 return -EBUSY;
591 t4_write_reg(adap, mc_bist_cmd_addr_reg, addr & ~0x3fU);
592 t4_write_reg(adap, mc_bist_cmd_len_reg, 64);
593 t4_write_reg(adap, mc_bist_data_pattern_reg, 0xc);
594 t4_write_reg(adap, mc_bist_cmd_reg, V_BIST_OPCODE(1) |
595 F_START_BIST | V_BIST_CMD_GAP(1));
596 i = t4_wait_op_done(adap, mc_bist_cmd_reg, F_START_BIST, 0, 10, 1);
597 if (i)
598 return i;
599
600 #define MC_DATA(i) MC_BIST_STATUS_REG(mc_bist_status_rdata_reg, i)
601
602 for (i = 15; i >= 0; i--)
603 *data++ = ntohl(t4_read_reg(adap, MC_DATA(i)));
604 if (ecc)
605 *ecc = t4_read_reg64(adap, MC_DATA(16));
606 #undef MC_DATA
607 return 0;
608 }
609
610 /**
611 * t4_edc_read - read from EDC through backdoor accesses
612 * @adap: the adapter
613 * @idx: which EDC to access
614 * @addr: address of first byte requested
615 * @data: 64 bytes of data containing the requested address
616 * @ecc: where to store the corresponding 64-bit ECC word
617 *
618 * Read 64 bytes of data from EDC starting at a 64-byte-aligned address
619 * that covers the requested address @addr. If @parity is not %NULL it
620 * is assigned the 64-bit ECC word for the read data.
621 */
t4_edc_read(struct adapter * adap,int idx,u32 addr,__be32 * data,u64 * ecc)622 int t4_edc_read(struct adapter *adap, int idx, u32 addr, __be32 *data, u64 *ecc)
623 {
624 int i;
625 u32 edc_bist_cmd_reg, edc_bist_cmd_addr_reg, edc_bist_cmd_len_reg;
626 u32 edc_bist_cmd_data_pattern, edc_bist_status_rdata_reg;
627
628 if (is_t4(adap)) {
629 edc_bist_cmd_reg = EDC_REG(A_EDC_BIST_CMD, idx);
630 edc_bist_cmd_addr_reg = EDC_REG(A_EDC_BIST_CMD_ADDR, idx);
631 edc_bist_cmd_len_reg = EDC_REG(A_EDC_BIST_CMD_LEN, idx);
632 edc_bist_cmd_data_pattern = EDC_REG(A_EDC_BIST_DATA_PATTERN,
633 idx);
634 edc_bist_status_rdata_reg = EDC_REG(A_EDC_BIST_STATUS_RDATA,
635 idx);
636 } else {
637 /*
638 * These macro are missing in t4_regs.h file.
639 * Added temporarily for testing.
640 */
641 #define EDC_STRIDE_T5 (EDC_T51_BASE_ADDR - EDC_T50_BASE_ADDR)
642 #define EDC_REG_T5(reg, idx) (reg + EDC_STRIDE_T5 * idx)
643 edc_bist_cmd_reg = EDC_REG_T5(A_EDC_H_BIST_CMD, idx);
644 edc_bist_cmd_addr_reg = EDC_REG_T5(A_EDC_H_BIST_CMD_ADDR, idx);
645 edc_bist_cmd_len_reg = EDC_REG_T5(A_EDC_H_BIST_CMD_LEN, idx);
646 edc_bist_cmd_data_pattern = EDC_REG_T5(A_EDC_H_BIST_DATA_PATTERN,
647 idx);
648 edc_bist_status_rdata_reg = EDC_REG_T5(A_EDC_H_BIST_STATUS_RDATA,
649 idx);
650 #undef EDC_REG_T5
651 #undef EDC_STRIDE_T5
652 }
653
654 if (t4_read_reg(adap, edc_bist_cmd_reg) & F_START_BIST)
655 return -EBUSY;
656 t4_write_reg(adap, edc_bist_cmd_addr_reg, addr & ~0x3fU);
657 t4_write_reg(adap, edc_bist_cmd_len_reg, 64);
658 t4_write_reg(adap, edc_bist_cmd_data_pattern, 0xc);
659 t4_write_reg(adap, edc_bist_cmd_reg,
660 V_BIST_OPCODE(1) | V_BIST_CMD_GAP(1) | F_START_BIST);
661 i = t4_wait_op_done(adap, edc_bist_cmd_reg, F_START_BIST, 0, 10, 1);
662 if (i)
663 return i;
664
665 #define EDC_DATA(i) EDC_BIST_STATUS_REG(edc_bist_status_rdata_reg, i)
666
667 for (i = 15; i >= 0; i--)
668 *data++ = ntohl(t4_read_reg(adap, EDC_DATA(i)));
669 if (ecc)
670 *ecc = t4_read_reg64(adap, EDC_DATA(16));
671 #undef EDC_DATA
672 return 0;
673 }
674
675 /**
676 * t4_mem_read - read EDC 0, EDC 1 or MC into buffer
677 * @adap: the adapter
678 * @mtype: memory type: MEM_EDC0, MEM_EDC1 or MEM_MC
679 * @addr: address within indicated memory type
680 * @len: amount of memory to read
681 * @buf: host memory buffer
682 *
683 * Reads an [almost] arbitrary memory region in the firmware: the
684 * firmware memory address, length and host buffer must be aligned on
685 * 32-bit boudaries. The memory is returned as a raw byte sequence from
686 * the firmware's memory. If this memory contains data structures which
687 * contain multi-byte integers, it's the callers responsibility to
688 * perform appropriate byte order conversions.
689 */
t4_mem_read(struct adapter * adap,int mtype,u32 addr,u32 len,__be32 * buf)690 int t4_mem_read(struct adapter *adap, int mtype, u32 addr, u32 len,
691 __be32 *buf)
692 {
693 u32 pos, start, end, offset;
694 int ret;
695
696 /*
697 * Argument sanity checks ...
698 */
699 if ((addr & 0x3) || (len & 0x3))
700 return -EINVAL;
701
702 /*
703 * The underlaying EDC/MC read routines read 64 bytes at a time so we
704 * need to round down the start and round up the end. We'll start
705 * copying out of the first line at (addr - start) a word at a time.
706 */
707 start = rounddown2(addr, 64);
708 end = roundup2(addr + len, 64);
709 offset = (addr - start)/sizeof(__be32);
710
711 for (pos = start; pos < end; pos += 64, offset = 0) {
712 __be32 data[16];
713
714 /*
715 * Read the chip's memory block and bail if there's an error.
716 */
717 if ((mtype == MEM_MC) || (mtype == MEM_MC1))
718 ret = t4_mc_read(adap, mtype - MEM_MC, pos, data, NULL);
719 else
720 ret = t4_edc_read(adap, mtype, pos, data, NULL);
721 if (ret)
722 return ret;
723
724 /*
725 * Copy the data into the caller's memory buffer.
726 */
727 while (offset < 16 && len > 0) {
728 *buf++ = data[offset++];
729 len -= sizeof(__be32);
730 }
731 }
732
733 return 0;
734 }
735
736 /*
737 * Return the specified PCI-E Configuration Space register from our Physical
738 * Function. We try first via a Firmware LDST Command (if fw_attach != 0)
739 * since we prefer to let the firmware own all of these registers, but if that
740 * fails we go for it directly ourselves.
741 */
t4_read_pcie_cfg4(struct adapter * adap,int reg,int drv_fw_attach)742 u32 t4_read_pcie_cfg4(struct adapter *adap, int reg, int drv_fw_attach)
743 {
744
745 /*
746 * If fw_attach != 0, construct and send the Firmware LDST Command to
747 * retrieve the specified PCI-E Configuration Space register.
748 */
749 if (drv_fw_attach != 0) {
750 struct fw_ldst_cmd ldst_cmd;
751 int ret;
752
753 memset(&ldst_cmd, 0, sizeof(ldst_cmd));
754 ldst_cmd.op_to_addrspace =
755 cpu_to_be32(V_FW_CMD_OP(FW_LDST_CMD) |
756 F_FW_CMD_REQUEST |
757 F_FW_CMD_READ |
758 V_FW_LDST_CMD_ADDRSPACE(FW_LDST_ADDRSPC_FUNC_PCIE));
759 ldst_cmd.cycles_to_len16 = cpu_to_be32(FW_LEN16(ldst_cmd));
760 ldst_cmd.u.pcie.select_naccess = V_FW_LDST_CMD_NACCESS(1);
761 ldst_cmd.u.pcie.ctrl_to_fn =
762 (F_FW_LDST_CMD_LC | V_FW_LDST_CMD_FN(adap->pf));
763 ldst_cmd.u.pcie.r = reg;
764
765 /*
766 * If the LDST Command succeeds, return the result, otherwise
767 * fall through to reading it directly ourselves ...
768 */
769 ret = t4_wr_mbox(adap, adap->mbox, &ldst_cmd, sizeof(ldst_cmd),
770 &ldst_cmd);
771 if (ret == 0)
772 return be32_to_cpu(ldst_cmd.u.pcie.data[0]);
773
774 CH_WARN(adap, "Firmware failed to return "
775 "Configuration Space register %d, err = %d\n",
776 reg, -ret);
777 }
778
779 /*
780 * Read the desired Configuration Space register via the PCI-E
781 * Backdoor mechanism.
782 */
783 return t4_hw_pci_read_cfg4(adap, reg);
784 }
785
786 /**
787 * t4_get_regs_len - return the size of the chips register set
788 * @adapter: the adapter
789 *
790 * Returns the size of the chip's BAR0 register space.
791 */
t4_get_regs_len(struct adapter * adapter)792 unsigned int t4_get_regs_len(struct adapter *adapter)
793 {
794 unsigned int chip_version = chip_id(adapter);
795
796 switch (chip_version) {
797 case CHELSIO_T4:
798 if (adapter->flags & IS_VF)
799 return FW_T4VF_REGMAP_SIZE;
800 return T4_REGMAP_SIZE;
801
802 case CHELSIO_T5:
803 case CHELSIO_T6:
804 if (adapter->flags & IS_VF)
805 return FW_T4VF_REGMAP_SIZE;
806 return T5_REGMAP_SIZE;
807 }
808
809 CH_ERR(adapter,
810 "Unsupported chip version %d\n", chip_version);
811 return 0;
812 }
813
814 /**
815 * t4_get_regs - read chip registers into provided buffer
816 * @adap: the adapter
817 * @buf: register buffer
818 * @buf_size: size (in bytes) of register buffer
819 *
820 * If the provided register buffer isn't large enough for the chip's
821 * full register range, the register dump will be truncated to the
822 * register buffer's size.
823 */
t4_get_regs(struct adapter * adap,u8 * buf,size_t buf_size)824 void t4_get_regs(struct adapter *adap, u8 *buf, size_t buf_size)
825 {
826 static const unsigned int t4_reg_ranges[] = {
827 0x1008, 0x1108,
828 0x1180, 0x1184,
829 0x1190, 0x1194,
830 0x11a0, 0x11a4,
831 0x11b0, 0x11b4,
832 0x11fc, 0x123c,
833 0x1300, 0x173c,
834 0x1800, 0x18fc,
835 0x3000, 0x30d8,
836 0x30e0, 0x30e4,
837 0x30ec, 0x5910,
838 0x5920, 0x5924,
839 0x5960, 0x5960,
840 0x5968, 0x5968,
841 0x5970, 0x5970,
842 0x5978, 0x5978,
843 0x5980, 0x5980,
844 0x5988, 0x5988,
845 0x5990, 0x5990,
846 0x5998, 0x5998,
847 0x59a0, 0x59d4,
848 0x5a00, 0x5ae0,
849 0x5ae8, 0x5ae8,
850 0x5af0, 0x5af0,
851 0x5af8, 0x5af8,
852 0x6000, 0x6098,
853 0x6100, 0x6150,
854 0x6200, 0x6208,
855 0x6240, 0x6248,
856 0x6280, 0x62b0,
857 0x62c0, 0x6338,
858 0x6370, 0x638c,
859 0x6400, 0x643c,
860 0x6500, 0x6524,
861 0x6a00, 0x6a04,
862 0x6a14, 0x6a38,
863 0x6a60, 0x6a70,
864 0x6a78, 0x6a78,
865 0x6b00, 0x6b0c,
866 0x6b1c, 0x6b84,
867 0x6bf0, 0x6bf8,
868 0x6c00, 0x6c0c,
869 0x6c1c, 0x6c84,
870 0x6cf0, 0x6cf8,
871 0x6d00, 0x6d0c,
872 0x6d1c, 0x6d84,
873 0x6df0, 0x6df8,
874 0x6e00, 0x6e0c,
875 0x6e1c, 0x6e84,
876 0x6ef0, 0x6ef8,
877 0x6f00, 0x6f0c,
878 0x6f1c, 0x6f84,
879 0x6ff0, 0x6ff8,
880 0x7000, 0x700c,
881 0x701c, 0x7084,
882 0x70f0, 0x70f8,
883 0x7100, 0x710c,
884 0x711c, 0x7184,
885 0x71f0, 0x71f8,
886 0x7200, 0x720c,
887 0x721c, 0x7284,
888 0x72f0, 0x72f8,
889 0x7300, 0x730c,
890 0x731c, 0x7384,
891 0x73f0, 0x73f8,
892 0x7400, 0x7450,
893 0x7500, 0x7530,
894 0x7600, 0x760c,
895 0x7614, 0x761c,
896 0x7680, 0x76cc,
897 0x7700, 0x7798,
898 0x77c0, 0x77fc,
899 0x7900, 0x79fc,
900 0x7b00, 0x7b58,
901 0x7b60, 0x7b84,
902 0x7b8c, 0x7c38,
903 0x7d00, 0x7d38,
904 0x7d40, 0x7d80,
905 0x7d8c, 0x7ddc,
906 0x7de4, 0x7e04,
907 0x7e10, 0x7e1c,
908 0x7e24, 0x7e38,
909 0x7e40, 0x7e44,
910 0x7e4c, 0x7e78,
911 0x7e80, 0x7ea4,
912 0x7eac, 0x7edc,
913 0x7ee8, 0x7efc,
914 0x8dc0, 0x8e04,
915 0x8e10, 0x8e1c,
916 0x8e30, 0x8e78,
917 0x8ea0, 0x8eb8,
918 0x8ec0, 0x8f6c,
919 0x8fc0, 0x9008,
920 0x9010, 0x9058,
921 0x9060, 0x9060,
922 0x9068, 0x9074,
923 0x90fc, 0x90fc,
924 0x9400, 0x9408,
925 0x9410, 0x9458,
926 0x9600, 0x9600,
927 0x9608, 0x9638,
928 0x9640, 0x96bc,
929 0x9800, 0x9808,
930 0x9820, 0x983c,
931 0x9850, 0x9864,
932 0x9c00, 0x9c6c,
933 0x9c80, 0x9cec,
934 0x9d00, 0x9d6c,
935 0x9d80, 0x9dec,
936 0x9e00, 0x9e6c,
937 0x9e80, 0x9eec,
938 0x9f00, 0x9f6c,
939 0x9f80, 0x9fec,
940 0xd004, 0xd004,
941 0xd010, 0xd03c,
942 0xdfc0, 0xdfe0,
943 0xe000, 0xea7c,
944 0xf000, 0x11110,
945 0x11118, 0x11190,
946 0x19040, 0x1906c,
947 0x19078, 0x19080,
948 0x1908c, 0x190e4,
949 0x190f0, 0x190f8,
950 0x19100, 0x19110,
951 0x19120, 0x19124,
952 0x19150, 0x19194,
953 0x1919c, 0x191b0,
954 0x191d0, 0x191e8,
955 0x19238, 0x1924c,
956 0x193f8, 0x1943c,
957 0x1944c, 0x19474,
958 0x19490, 0x194e0,
959 0x194f0, 0x194f8,
960 0x19800, 0x19c08,
961 0x19c10, 0x19c90,
962 0x19ca0, 0x19ce4,
963 0x19cf0, 0x19d40,
964 0x19d50, 0x19d94,
965 0x19da0, 0x19de8,
966 0x19df0, 0x19e40,
967 0x19e50, 0x19e90,
968 0x19ea0, 0x19f4c,
969 0x1a000, 0x1a004,
970 0x1a010, 0x1a06c,
971 0x1a0b0, 0x1a0e4,
972 0x1a0ec, 0x1a0f4,
973 0x1a100, 0x1a108,
974 0x1a114, 0x1a120,
975 0x1a128, 0x1a130,
976 0x1a138, 0x1a138,
977 0x1a190, 0x1a1c4,
978 0x1a1fc, 0x1a1fc,
979 0x1e040, 0x1e04c,
980 0x1e284, 0x1e28c,
981 0x1e2c0, 0x1e2c0,
982 0x1e2e0, 0x1e2e0,
983 0x1e300, 0x1e384,
984 0x1e3c0, 0x1e3c8,
985 0x1e440, 0x1e44c,
986 0x1e684, 0x1e68c,
987 0x1e6c0, 0x1e6c0,
988 0x1e6e0, 0x1e6e0,
989 0x1e700, 0x1e784,
990 0x1e7c0, 0x1e7c8,
991 0x1e840, 0x1e84c,
992 0x1ea84, 0x1ea8c,
993 0x1eac0, 0x1eac0,
994 0x1eae0, 0x1eae0,
995 0x1eb00, 0x1eb84,
996 0x1ebc0, 0x1ebc8,
997 0x1ec40, 0x1ec4c,
998 0x1ee84, 0x1ee8c,
999 0x1eec0, 0x1eec0,
1000 0x1eee0, 0x1eee0,
1001 0x1ef00, 0x1ef84,
1002 0x1efc0, 0x1efc8,
1003 0x1f040, 0x1f04c,
1004 0x1f284, 0x1f28c,
1005 0x1f2c0, 0x1f2c0,
1006 0x1f2e0, 0x1f2e0,
1007 0x1f300, 0x1f384,
1008 0x1f3c0, 0x1f3c8,
1009 0x1f440, 0x1f44c,
1010 0x1f684, 0x1f68c,
1011 0x1f6c0, 0x1f6c0,
1012 0x1f6e0, 0x1f6e0,
1013 0x1f700, 0x1f784,
1014 0x1f7c0, 0x1f7c8,
1015 0x1f840, 0x1f84c,
1016 0x1fa84, 0x1fa8c,
1017 0x1fac0, 0x1fac0,
1018 0x1fae0, 0x1fae0,
1019 0x1fb00, 0x1fb84,
1020 0x1fbc0, 0x1fbc8,
1021 0x1fc40, 0x1fc4c,
1022 0x1fe84, 0x1fe8c,
1023 0x1fec0, 0x1fec0,
1024 0x1fee0, 0x1fee0,
1025 0x1ff00, 0x1ff84,
1026 0x1ffc0, 0x1ffc8,
1027 0x20000, 0x2002c,
1028 0x20100, 0x2013c,
1029 0x20190, 0x201a0,
1030 0x201a8, 0x201b8,
1031 0x201c4, 0x201c8,
1032 0x20200, 0x20318,
1033 0x20400, 0x204b4,
1034 0x204c0, 0x20528,
1035 0x20540, 0x20614,
1036 0x21000, 0x21040,
1037 0x2104c, 0x21060,
1038 0x210c0, 0x210ec,
1039 0x21200, 0x21268,
1040 0x21270, 0x21284,
1041 0x212fc, 0x21388,
1042 0x21400, 0x21404,
1043 0x21500, 0x21500,
1044 0x21510, 0x21518,
1045 0x2152c, 0x21530,
1046 0x2153c, 0x2153c,
1047 0x21550, 0x21554,
1048 0x21600, 0x21600,
1049 0x21608, 0x2161c,
1050 0x21624, 0x21628,
1051 0x21630, 0x21634,
1052 0x2163c, 0x2163c,
1053 0x21700, 0x2171c,
1054 0x21780, 0x2178c,
1055 0x21800, 0x21818,
1056 0x21820, 0x21828,
1057 0x21830, 0x21848,
1058 0x21850, 0x21854,
1059 0x21860, 0x21868,
1060 0x21870, 0x21870,
1061 0x21878, 0x21898,
1062 0x218a0, 0x218a8,
1063 0x218b0, 0x218c8,
1064 0x218d0, 0x218d4,
1065 0x218e0, 0x218e8,
1066 0x218f0, 0x218f0,
1067 0x218f8, 0x21a18,
1068 0x21a20, 0x21a28,
1069 0x21a30, 0x21a48,
1070 0x21a50, 0x21a54,
1071 0x21a60, 0x21a68,
1072 0x21a70, 0x21a70,
1073 0x21a78, 0x21a98,
1074 0x21aa0, 0x21aa8,
1075 0x21ab0, 0x21ac8,
1076 0x21ad0, 0x21ad4,
1077 0x21ae0, 0x21ae8,
1078 0x21af0, 0x21af0,
1079 0x21af8, 0x21c18,
1080 0x21c20, 0x21c20,
1081 0x21c28, 0x21c30,
1082 0x21c38, 0x21c38,
1083 0x21c80, 0x21c98,
1084 0x21ca0, 0x21ca8,
1085 0x21cb0, 0x21cc8,
1086 0x21cd0, 0x21cd4,
1087 0x21ce0, 0x21ce8,
1088 0x21cf0, 0x21cf0,
1089 0x21cf8, 0x21d7c,
1090 0x21e00, 0x21e04,
1091 0x22000, 0x2202c,
1092 0x22100, 0x2213c,
1093 0x22190, 0x221a0,
1094 0x221a8, 0x221b8,
1095 0x221c4, 0x221c8,
1096 0x22200, 0x22318,
1097 0x22400, 0x224b4,
1098 0x224c0, 0x22528,
1099 0x22540, 0x22614,
1100 0x23000, 0x23040,
1101 0x2304c, 0x23060,
1102 0x230c0, 0x230ec,
1103 0x23200, 0x23268,
1104 0x23270, 0x23284,
1105 0x232fc, 0x23388,
1106 0x23400, 0x23404,
1107 0x23500, 0x23500,
1108 0x23510, 0x23518,
1109 0x2352c, 0x23530,
1110 0x2353c, 0x2353c,
1111 0x23550, 0x23554,
1112 0x23600, 0x23600,
1113 0x23608, 0x2361c,
1114 0x23624, 0x23628,
1115 0x23630, 0x23634,
1116 0x2363c, 0x2363c,
1117 0x23700, 0x2371c,
1118 0x23780, 0x2378c,
1119 0x23800, 0x23818,
1120 0x23820, 0x23828,
1121 0x23830, 0x23848,
1122 0x23850, 0x23854,
1123 0x23860, 0x23868,
1124 0x23870, 0x23870,
1125 0x23878, 0x23898,
1126 0x238a0, 0x238a8,
1127 0x238b0, 0x238c8,
1128 0x238d0, 0x238d4,
1129 0x238e0, 0x238e8,
1130 0x238f0, 0x238f0,
1131 0x238f8, 0x23a18,
1132 0x23a20, 0x23a28,
1133 0x23a30, 0x23a48,
1134 0x23a50, 0x23a54,
1135 0x23a60, 0x23a68,
1136 0x23a70, 0x23a70,
1137 0x23a78, 0x23a98,
1138 0x23aa0, 0x23aa8,
1139 0x23ab0, 0x23ac8,
1140 0x23ad0, 0x23ad4,
1141 0x23ae0, 0x23ae8,
1142 0x23af0, 0x23af0,
1143 0x23af8, 0x23c18,
1144 0x23c20, 0x23c20,
1145 0x23c28, 0x23c30,
1146 0x23c38, 0x23c38,
1147 0x23c80, 0x23c98,
1148 0x23ca0, 0x23ca8,
1149 0x23cb0, 0x23cc8,
1150 0x23cd0, 0x23cd4,
1151 0x23ce0, 0x23ce8,
1152 0x23cf0, 0x23cf0,
1153 0x23cf8, 0x23d7c,
1154 0x23e00, 0x23e04,
1155 0x24000, 0x2402c,
1156 0x24100, 0x2413c,
1157 0x24190, 0x241a0,
1158 0x241a8, 0x241b8,
1159 0x241c4, 0x241c8,
1160 0x24200, 0x24318,
1161 0x24400, 0x244b4,
1162 0x244c0, 0x24528,
1163 0x24540, 0x24614,
1164 0x25000, 0x25040,
1165 0x2504c, 0x25060,
1166 0x250c0, 0x250ec,
1167 0x25200, 0x25268,
1168 0x25270, 0x25284,
1169 0x252fc, 0x25388,
1170 0x25400, 0x25404,
1171 0x25500, 0x25500,
1172 0x25510, 0x25518,
1173 0x2552c, 0x25530,
1174 0x2553c, 0x2553c,
1175 0x25550, 0x25554,
1176 0x25600, 0x25600,
1177 0x25608, 0x2561c,
1178 0x25624, 0x25628,
1179 0x25630, 0x25634,
1180 0x2563c, 0x2563c,
1181 0x25700, 0x2571c,
1182 0x25780, 0x2578c,
1183 0x25800, 0x25818,
1184 0x25820, 0x25828,
1185 0x25830, 0x25848,
1186 0x25850, 0x25854,
1187 0x25860, 0x25868,
1188 0x25870, 0x25870,
1189 0x25878, 0x25898,
1190 0x258a0, 0x258a8,
1191 0x258b0, 0x258c8,
1192 0x258d0, 0x258d4,
1193 0x258e0, 0x258e8,
1194 0x258f0, 0x258f0,
1195 0x258f8, 0x25a18,
1196 0x25a20, 0x25a28,
1197 0x25a30, 0x25a48,
1198 0x25a50, 0x25a54,
1199 0x25a60, 0x25a68,
1200 0x25a70, 0x25a70,
1201 0x25a78, 0x25a98,
1202 0x25aa0, 0x25aa8,
1203 0x25ab0, 0x25ac8,
1204 0x25ad0, 0x25ad4,
1205 0x25ae0, 0x25ae8,
1206 0x25af0, 0x25af0,
1207 0x25af8, 0x25c18,
1208 0x25c20, 0x25c20,
1209 0x25c28, 0x25c30,
1210 0x25c38, 0x25c38,
1211 0x25c80, 0x25c98,
1212 0x25ca0, 0x25ca8,
1213 0x25cb0, 0x25cc8,
1214 0x25cd0, 0x25cd4,
1215 0x25ce0, 0x25ce8,
1216 0x25cf0, 0x25cf0,
1217 0x25cf8, 0x25d7c,
1218 0x25e00, 0x25e04,
1219 0x26000, 0x2602c,
1220 0x26100, 0x2613c,
1221 0x26190, 0x261a0,
1222 0x261a8, 0x261b8,
1223 0x261c4, 0x261c8,
1224 0x26200, 0x26318,
1225 0x26400, 0x264b4,
1226 0x264c0, 0x26528,
1227 0x26540, 0x26614,
1228 0x27000, 0x27040,
1229 0x2704c, 0x27060,
1230 0x270c0, 0x270ec,
1231 0x27200, 0x27268,
1232 0x27270, 0x27284,
1233 0x272fc, 0x27388,
1234 0x27400, 0x27404,
1235 0x27500, 0x27500,
1236 0x27510, 0x27518,
1237 0x2752c, 0x27530,
1238 0x2753c, 0x2753c,
1239 0x27550, 0x27554,
1240 0x27600, 0x27600,
1241 0x27608, 0x2761c,
1242 0x27624, 0x27628,
1243 0x27630, 0x27634,
1244 0x2763c, 0x2763c,
1245 0x27700, 0x2771c,
1246 0x27780, 0x2778c,
1247 0x27800, 0x27818,
1248 0x27820, 0x27828,
1249 0x27830, 0x27848,
1250 0x27850, 0x27854,
1251 0x27860, 0x27868,
1252 0x27870, 0x27870,
1253 0x27878, 0x27898,
1254 0x278a0, 0x278a8,
1255 0x278b0, 0x278c8,
1256 0x278d0, 0x278d4,
1257 0x278e0, 0x278e8,
1258 0x278f0, 0x278f0,
1259 0x278f8, 0x27a18,
1260 0x27a20, 0x27a28,
1261 0x27a30, 0x27a48,
1262 0x27a50, 0x27a54,
1263 0x27a60, 0x27a68,
1264 0x27a70, 0x27a70,
1265 0x27a78, 0x27a98,
1266 0x27aa0, 0x27aa8,
1267 0x27ab0, 0x27ac8,
1268 0x27ad0, 0x27ad4,
1269 0x27ae0, 0x27ae8,
1270 0x27af0, 0x27af0,
1271 0x27af8, 0x27c18,
1272 0x27c20, 0x27c20,
1273 0x27c28, 0x27c30,
1274 0x27c38, 0x27c38,
1275 0x27c80, 0x27c98,
1276 0x27ca0, 0x27ca8,
1277 0x27cb0, 0x27cc8,
1278 0x27cd0, 0x27cd4,
1279 0x27ce0, 0x27ce8,
1280 0x27cf0, 0x27cf0,
1281 0x27cf8, 0x27d7c,
1282 0x27e00, 0x27e04,
1283 };
1284
1285 static const unsigned int t4vf_reg_ranges[] = {
1286 VF_SGE_REG(A_SGE_VF_KDOORBELL), VF_SGE_REG(A_SGE_VF_GTS),
1287 VF_MPS_REG(A_MPS_VF_CTL),
1288 VF_MPS_REG(A_MPS_VF_STAT_RX_VF_ERR_FRAMES_H),
1289 VF_PL_REG(A_PL_VF_WHOAMI), VF_PL_REG(A_PL_VF_WHOAMI),
1290 VF_CIM_REG(A_CIM_VF_EXT_MAILBOX_CTRL),
1291 VF_CIM_REG(A_CIM_VF_EXT_MAILBOX_STATUS),
1292 FW_T4VF_MBDATA_BASE_ADDR,
1293 FW_T4VF_MBDATA_BASE_ADDR +
1294 ((NUM_CIM_PF_MAILBOX_DATA_INSTANCES - 1) * 4),
1295 };
1296
1297 static const unsigned int t5_reg_ranges[] = {
1298 0x1008, 0x10c0,
1299 0x10cc, 0x10f8,
1300 0x1100, 0x1100,
1301 0x110c, 0x1148,
1302 0x1180, 0x1184,
1303 0x1190, 0x1194,
1304 0x11a0, 0x11a4,
1305 0x11b0, 0x11b4,
1306 0x11fc, 0x123c,
1307 0x1280, 0x173c,
1308 0x1800, 0x18fc,
1309 0x3000, 0x3028,
1310 0x3060, 0x30b0,
1311 0x30b8, 0x30d8,
1312 0x30e0, 0x30fc,
1313 0x3140, 0x357c,
1314 0x35a8, 0x35cc,
1315 0x35ec, 0x35ec,
1316 0x3600, 0x5624,
1317 0x56cc, 0x56ec,
1318 0x56f4, 0x5720,
1319 0x5728, 0x575c,
1320 0x580c, 0x5814,
1321 0x5890, 0x589c,
1322 0x58a4, 0x58ac,
1323 0x58b8, 0x58bc,
1324 0x5940, 0x59c8,
1325 0x59d0, 0x59dc,
1326 0x59fc, 0x5a18,
1327 0x5a60, 0x5a70,
1328 0x5a80, 0x5a9c,
1329 0x5b94, 0x5bfc,
1330 0x6000, 0x6020,
1331 0x6028, 0x6040,
1332 0x6058, 0x609c,
1333 0x60a8, 0x614c,
1334 0x7700, 0x7798,
1335 0x77c0, 0x78fc,
1336 0x7b00, 0x7b58,
1337 0x7b60, 0x7b84,
1338 0x7b8c, 0x7c54,
1339 0x7d00, 0x7d38,
1340 0x7d40, 0x7d80,
1341 0x7d8c, 0x7ddc,
1342 0x7de4, 0x7e04,
1343 0x7e10, 0x7e1c,
1344 0x7e24, 0x7e38,
1345 0x7e40, 0x7e44,
1346 0x7e4c, 0x7e78,
1347 0x7e80, 0x7edc,
1348 0x7ee8, 0x7efc,
1349 0x8dc0, 0x8de0,
1350 0x8df8, 0x8e04,
1351 0x8e10, 0x8e84,
1352 0x8ea0, 0x8f84,
1353 0x8fc0, 0x9058,
1354 0x9060, 0x9060,
1355 0x9068, 0x90f8,
1356 0x9400, 0x9408,
1357 0x9410, 0x9470,
1358 0x9600, 0x9600,
1359 0x9608, 0x9638,
1360 0x9640, 0x96f4,
1361 0x9800, 0x9808,
1362 0x9810, 0x9864,
1363 0x9c00, 0x9c6c,
1364 0x9c80, 0x9cec,
1365 0x9d00, 0x9d6c,
1366 0x9d80, 0x9dec,
1367 0x9e00, 0x9e6c,
1368 0x9e80, 0x9eec,
1369 0x9f00, 0x9f6c,
1370 0x9f80, 0xa020,
1371 0xd000, 0xd004,
1372 0xd010, 0xd03c,
1373 0xdfc0, 0xdfe0,
1374 0xe000, 0x1106c,
1375 0x11074, 0x11088,
1376 0x1109c, 0x1117c,
1377 0x11190, 0x11204,
1378 0x19040, 0x1906c,
1379 0x19078, 0x19080,
1380 0x1908c, 0x190e8,
1381 0x190f0, 0x190f8,
1382 0x19100, 0x19110,
1383 0x19120, 0x19124,
1384 0x19150, 0x19194,
1385 0x1919c, 0x191b0,
1386 0x191d0, 0x191e8,
1387 0x19238, 0x19290,
1388 0x193f8, 0x19428,
1389 0x19430, 0x19444,
1390 0x1944c, 0x1946c,
1391 0x19474, 0x19474,
1392 0x19490, 0x194cc,
1393 0x194f0, 0x194f8,
1394 0x19c00, 0x19c08,
1395 0x19c10, 0x19c60,
1396 0x19c94, 0x19ce4,
1397 0x19cf0, 0x19d40,
1398 0x19d50, 0x19d94,
1399 0x19da0, 0x19de8,
1400 0x19df0, 0x19e10,
1401 0x19e50, 0x19e90,
1402 0x19ea0, 0x19f24,
1403 0x19f34, 0x19f34,
1404 0x19f40, 0x19f50,
1405 0x19f90, 0x19fb4,
1406 0x19fc4, 0x19fe4,
1407 0x1a000, 0x1a004,
1408 0x1a010, 0x1a06c,
1409 0x1a0b0, 0x1a0e4,
1410 0x1a0ec, 0x1a0f8,
1411 0x1a100, 0x1a108,
1412 0x1a114, 0x1a130,
1413 0x1a138, 0x1a1c4,
1414 0x1a1fc, 0x1a1fc,
1415 0x1e008, 0x1e00c,
1416 0x1e040, 0x1e044,
1417 0x1e04c, 0x1e04c,
1418 0x1e284, 0x1e290,
1419 0x1e2c0, 0x1e2c0,
1420 0x1e2e0, 0x1e2e0,
1421 0x1e300, 0x1e384,
1422 0x1e3c0, 0x1e3c8,
1423 0x1e408, 0x1e40c,
1424 0x1e440, 0x1e444,
1425 0x1e44c, 0x1e44c,
1426 0x1e684, 0x1e690,
1427 0x1e6c0, 0x1e6c0,
1428 0x1e6e0, 0x1e6e0,
1429 0x1e700, 0x1e784,
1430 0x1e7c0, 0x1e7c8,
1431 0x1e808, 0x1e80c,
1432 0x1e840, 0x1e844,
1433 0x1e84c, 0x1e84c,
1434 0x1ea84, 0x1ea90,
1435 0x1eac0, 0x1eac0,
1436 0x1eae0, 0x1eae0,
1437 0x1eb00, 0x1eb84,
1438 0x1ebc0, 0x1ebc8,
1439 0x1ec08, 0x1ec0c,
1440 0x1ec40, 0x1ec44,
1441 0x1ec4c, 0x1ec4c,
1442 0x1ee84, 0x1ee90,
1443 0x1eec0, 0x1eec0,
1444 0x1eee0, 0x1eee0,
1445 0x1ef00, 0x1ef84,
1446 0x1efc0, 0x1efc8,
1447 0x1f008, 0x1f00c,
1448 0x1f040, 0x1f044,
1449 0x1f04c, 0x1f04c,
1450 0x1f284, 0x1f290,
1451 0x1f2c0, 0x1f2c0,
1452 0x1f2e0, 0x1f2e0,
1453 0x1f300, 0x1f384,
1454 0x1f3c0, 0x1f3c8,
1455 0x1f408, 0x1f40c,
1456 0x1f440, 0x1f444,
1457 0x1f44c, 0x1f44c,
1458 0x1f684, 0x1f690,
1459 0x1f6c0, 0x1f6c0,
1460 0x1f6e0, 0x1f6e0,
1461 0x1f700, 0x1f784,
1462 0x1f7c0, 0x1f7c8,
1463 0x1f808, 0x1f80c,
1464 0x1f840, 0x1f844,
1465 0x1f84c, 0x1f84c,
1466 0x1fa84, 0x1fa90,
1467 0x1fac0, 0x1fac0,
1468 0x1fae0, 0x1fae0,
1469 0x1fb00, 0x1fb84,
1470 0x1fbc0, 0x1fbc8,
1471 0x1fc08, 0x1fc0c,
1472 0x1fc40, 0x1fc44,
1473 0x1fc4c, 0x1fc4c,
1474 0x1fe84, 0x1fe90,
1475 0x1fec0, 0x1fec0,
1476 0x1fee0, 0x1fee0,
1477 0x1ff00, 0x1ff84,
1478 0x1ffc0, 0x1ffc8,
1479 0x30000, 0x30030,
1480 0x30100, 0x30144,
1481 0x30190, 0x301a0,
1482 0x301a8, 0x301b8,
1483 0x301c4, 0x301c8,
1484 0x301d0, 0x301d0,
1485 0x30200, 0x30318,
1486 0x30400, 0x304b4,
1487 0x304c0, 0x3052c,
1488 0x30540, 0x3061c,
1489 0x30800, 0x30828,
1490 0x30834, 0x30834,
1491 0x308c0, 0x30908,
1492 0x30910, 0x309ac,
1493 0x30a00, 0x30a14,
1494 0x30a1c, 0x30a2c,
1495 0x30a44, 0x30a50,
1496 0x30a74, 0x30a74,
1497 0x30a7c, 0x30afc,
1498 0x30b08, 0x30c24,
1499 0x30d00, 0x30d00,
1500 0x30d08, 0x30d14,
1501 0x30d1c, 0x30d20,
1502 0x30d3c, 0x30d3c,
1503 0x30d48, 0x30d50,
1504 0x31200, 0x3120c,
1505 0x31220, 0x31220,
1506 0x31240, 0x31240,
1507 0x31600, 0x3160c,
1508 0x31a00, 0x31a1c,
1509 0x31e00, 0x31e20,
1510 0x31e38, 0x31e3c,
1511 0x31e80, 0x31e80,
1512 0x31e88, 0x31ea8,
1513 0x31eb0, 0x31eb4,
1514 0x31ec8, 0x31ed4,
1515 0x31fb8, 0x32004,
1516 0x32200, 0x32200,
1517 0x32208, 0x32240,
1518 0x32248, 0x32280,
1519 0x32288, 0x322c0,
1520 0x322c8, 0x322fc,
1521 0x32600, 0x32630,
1522 0x32a00, 0x32abc,
1523 0x32b00, 0x32b10,
1524 0x32b20, 0x32b30,
1525 0x32b40, 0x32b50,
1526 0x32b60, 0x32b70,
1527 0x33000, 0x33028,
1528 0x33030, 0x33048,
1529 0x33060, 0x33068,
1530 0x33070, 0x3309c,
1531 0x330f0, 0x33128,
1532 0x33130, 0x33148,
1533 0x33160, 0x33168,
1534 0x33170, 0x3319c,
1535 0x331f0, 0x33238,
1536 0x33240, 0x33240,
1537 0x33248, 0x33250,
1538 0x3325c, 0x33264,
1539 0x33270, 0x332b8,
1540 0x332c0, 0x332e4,
1541 0x332f8, 0x33338,
1542 0x33340, 0x33340,
1543 0x33348, 0x33350,
1544 0x3335c, 0x33364,
1545 0x33370, 0x333b8,
1546 0x333c0, 0x333e4,
1547 0x333f8, 0x33428,
1548 0x33430, 0x33448,
1549 0x33460, 0x33468,
1550 0x33470, 0x3349c,
1551 0x334f0, 0x33528,
1552 0x33530, 0x33548,
1553 0x33560, 0x33568,
1554 0x33570, 0x3359c,
1555 0x335f0, 0x33638,
1556 0x33640, 0x33640,
1557 0x33648, 0x33650,
1558 0x3365c, 0x33664,
1559 0x33670, 0x336b8,
1560 0x336c0, 0x336e4,
1561 0x336f8, 0x33738,
1562 0x33740, 0x33740,
1563 0x33748, 0x33750,
1564 0x3375c, 0x33764,
1565 0x33770, 0x337b8,
1566 0x337c0, 0x337e4,
1567 0x337f8, 0x337fc,
1568 0x33814, 0x33814,
1569 0x3382c, 0x3382c,
1570 0x33880, 0x3388c,
1571 0x338e8, 0x338ec,
1572 0x33900, 0x33928,
1573 0x33930, 0x33948,
1574 0x33960, 0x33968,
1575 0x33970, 0x3399c,
1576 0x339f0, 0x33a38,
1577 0x33a40, 0x33a40,
1578 0x33a48, 0x33a50,
1579 0x33a5c, 0x33a64,
1580 0x33a70, 0x33ab8,
1581 0x33ac0, 0x33ae4,
1582 0x33af8, 0x33b10,
1583 0x33b28, 0x33b28,
1584 0x33b3c, 0x33b50,
1585 0x33bf0, 0x33c10,
1586 0x33c28, 0x33c28,
1587 0x33c3c, 0x33c50,
1588 0x33cf0, 0x33cfc,
1589 0x34000, 0x34030,
1590 0x34100, 0x34144,
1591 0x34190, 0x341a0,
1592 0x341a8, 0x341b8,
1593 0x341c4, 0x341c8,
1594 0x341d0, 0x341d0,
1595 0x34200, 0x34318,
1596 0x34400, 0x344b4,
1597 0x344c0, 0x3452c,
1598 0x34540, 0x3461c,
1599 0x34800, 0x34828,
1600 0x34834, 0x34834,
1601 0x348c0, 0x34908,
1602 0x34910, 0x349ac,
1603 0x34a00, 0x34a14,
1604 0x34a1c, 0x34a2c,
1605 0x34a44, 0x34a50,
1606 0x34a74, 0x34a74,
1607 0x34a7c, 0x34afc,
1608 0x34b08, 0x34c24,
1609 0x34d00, 0x34d00,
1610 0x34d08, 0x34d14,
1611 0x34d1c, 0x34d20,
1612 0x34d3c, 0x34d3c,
1613 0x34d48, 0x34d50,
1614 0x35200, 0x3520c,
1615 0x35220, 0x35220,
1616 0x35240, 0x35240,
1617 0x35600, 0x3560c,
1618 0x35a00, 0x35a1c,
1619 0x35e00, 0x35e20,
1620 0x35e38, 0x35e3c,
1621 0x35e80, 0x35e80,
1622 0x35e88, 0x35ea8,
1623 0x35eb0, 0x35eb4,
1624 0x35ec8, 0x35ed4,
1625 0x35fb8, 0x36004,
1626 0x36200, 0x36200,
1627 0x36208, 0x36240,
1628 0x36248, 0x36280,
1629 0x36288, 0x362c0,
1630 0x362c8, 0x362fc,
1631 0x36600, 0x36630,
1632 0x36a00, 0x36abc,
1633 0x36b00, 0x36b10,
1634 0x36b20, 0x36b30,
1635 0x36b40, 0x36b50,
1636 0x36b60, 0x36b70,
1637 0x37000, 0x37028,
1638 0x37030, 0x37048,
1639 0x37060, 0x37068,
1640 0x37070, 0x3709c,
1641 0x370f0, 0x37128,
1642 0x37130, 0x37148,
1643 0x37160, 0x37168,
1644 0x37170, 0x3719c,
1645 0x371f0, 0x37238,
1646 0x37240, 0x37240,
1647 0x37248, 0x37250,
1648 0x3725c, 0x37264,
1649 0x37270, 0x372b8,
1650 0x372c0, 0x372e4,
1651 0x372f8, 0x37338,
1652 0x37340, 0x37340,
1653 0x37348, 0x37350,
1654 0x3735c, 0x37364,
1655 0x37370, 0x373b8,
1656 0x373c0, 0x373e4,
1657 0x373f8, 0x37428,
1658 0x37430, 0x37448,
1659 0x37460, 0x37468,
1660 0x37470, 0x3749c,
1661 0x374f0, 0x37528,
1662 0x37530, 0x37548,
1663 0x37560, 0x37568,
1664 0x37570, 0x3759c,
1665 0x375f0, 0x37638,
1666 0x37640, 0x37640,
1667 0x37648, 0x37650,
1668 0x3765c, 0x37664,
1669 0x37670, 0x376b8,
1670 0x376c0, 0x376e4,
1671 0x376f8, 0x37738,
1672 0x37740, 0x37740,
1673 0x37748, 0x37750,
1674 0x3775c, 0x37764,
1675 0x37770, 0x377b8,
1676 0x377c0, 0x377e4,
1677 0x377f8, 0x377fc,
1678 0x37814, 0x37814,
1679 0x3782c, 0x3782c,
1680 0x37880, 0x3788c,
1681 0x378e8, 0x378ec,
1682 0x37900, 0x37928,
1683 0x37930, 0x37948,
1684 0x37960, 0x37968,
1685 0x37970, 0x3799c,
1686 0x379f0, 0x37a38,
1687 0x37a40, 0x37a40,
1688 0x37a48, 0x37a50,
1689 0x37a5c, 0x37a64,
1690 0x37a70, 0x37ab8,
1691 0x37ac0, 0x37ae4,
1692 0x37af8, 0x37b10,
1693 0x37b28, 0x37b28,
1694 0x37b3c, 0x37b50,
1695 0x37bf0, 0x37c10,
1696 0x37c28, 0x37c28,
1697 0x37c3c, 0x37c50,
1698 0x37cf0, 0x37cfc,
1699 0x38000, 0x38030,
1700 0x38100, 0x38144,
1701 0x38190, 0x381a0,
1702 0x381a8, 0x381b8,
1703 0x381c4, 0x381c8,
1704 0x381d0, 0x381d0,
1705 0x38200, 0x38318,
1706 0x38400, 0x384b4,
1707 0x384c0, 0x3852c,
1708 0x38540, 0x3861c,
1709 0x38800, 0x38828,
1710 0x38834, 0x38834,
1711 0x388c0, 0x38908,
1712 0x38910, 0x389ac,
1713 0x38a00, 0x38a14,
1714 0x38a1c, 0x38a2c,
1715 0x38a44, 0x38a50,
1716 0x38a74, 0x38a74,
1717 0x38a7c, 0x38afc,
1718 0x38b08, 0x38c24,
1719 0x38d00, 0x38d00,
1720 0x38d08, 0x38d14,
1721 0x38d1c, 0x38d20,
1722 0x38d3c, 0x38d3c,
1723 0x38d48, 0x38d50,
1724 0x39200, 0x3920c,
1725 0x39220, 0x39220,
1726 0x39240, 0x39240,
1727 0x39600, 0x3960c,
1728 0x39a00, 0x39a1c,
1729 0x39e00, 0x39e20,
1730 0x39e38, 0x39e3c,
1731 0x39e80, 0x39e80,
1732 0x39e88, 0x39ea8,
1733 0x39eb0, 0x39eb4,
1734 0x39ec8, 0x39ed4,
1735 0x39fb8, 0x3a004,
1736 0x3a200, 0x3a200,
1737 0x3a208, 0x3a240,
1738 0x3a248, 0x3a280,
1739 0x3a288, 0x3a2c0,
1740 0x3a2c8, 0x3a2fc,
1741 0x3a600, 0x3a630,
1742 0x3aa00, 0x3aabc,
1743 0x3ab00, 0x3ab10,
1744 0x3ab20, 0x3ab30,
1745 0x3ab40, 0x3ab50,
1746 0x3ab60, 0x3ab70,
1747 0x3b000, 0x3b028,
1748 0x3b030, 0x3b048,
1749 0x3b060, 0x3b068,
1750 0x3b070, 0x3b09c,
1751 0x3b0f0, 0x3b128,
1752 0x3b130, 0x3b148,
1753 0x3b160, 0x3b168,
1754 0x3b170, 0x3b19c,
1755 0x3b1f0, 0x3b238,
1756 0x3b240, 0x3b240,
1757 0x3b248, 0x3b250,
1758 0x3b25c, 0x3b264,
1759 0x3b270, 0x3b2b8,
1760 0x3b2c0, 0x3b2e4,
1761 0x3b2f8, 0x3b338,
1762 0x3b340, 0x3b340,
1763 0x3b348, 0x3b350,
1764 0x3b35c, 0x3b364,
1765 0x3b370, 0x3b3b8,
1766 0x3b3c0, 0x3b3e4,
1767 0x3b3f8, 0x3b428,
1768 0x3b430, 0x3b448,
1769 0x3b460, 0x3b468,
1770 0x3b470, 0x3b49c,
1771 0x3b4f0, 0x3b528,
1772 0x3b530, 0x3b548,
1773 0x3b560, 0x3b568,
1774 0x3b570, 0x3b59c,
1775 0x3b5f0, 0x3b638,
1776 0x3b640, 0x3b640,
1777 0x3b648, 0x3b650,
1778 0x3b65c, 0x3b664,
1779 0x3b670, 0x3b6b8,
1780 0x3b6c0, 0x3b6e4,
1781 0x3b6f8, 0x3b738,
1782 0x3b740, 0x3b740,
1783 0x3b748, 0x3b750,
1784 0x3b75c, 0x3b764,
1785 0x3b770, 0x3b7b8,
1786 0x3b7c0, 0x3b7e4,
1787 0x3b7f8, 0x3b7fc,
1788 0x3b814, 0x3b814,
1789 0x3b82c, 0x3b82c,
1790 0x3b880, 0x3b88c,
1791 0x3b8e8, 0x3b8ec,
1792 0x3b900, 0x3b928,
1793 0x3b930, 0x3b948,
1794 0x3b960, 0x3b968,
1795 0x3b970, 0x3b99c,
1796 0x3b9f0, 0x3ba38,
1797 0x3ba40, 0x3ba40,
1798 0x3ba48, 0x3ba50,
1799 0x3ba5c, 0x3ba64,
1800 0x3ba70, 0x3bab8,
1801 0x3bac0, 0x3bae4,
1802 0x3baf8, 0x3bb10,
1803 0x3bb28, 0x3bb28,
1804 0x3bb3c, 0x3bb50,
1805 0x3bbf0, 0x3bc10,
1806 0x3bc28, 0x3bc28,
1807 0x3bc3c, 0x3bc50,
1808 0x3bcf0, 0x3bcfc,
1809 0x3c000, 0x3c030,
1810 0x3c100, 0x3c144,
1811 0x3c190, 0x3c1a0,
1812 0x3c1a8, 0x3c1b8,
1813 0x3c1c4, 0x3c1c8,
1814 0x3c1d0, 0x3c1d0,
1815 0x3c200, 0x3c318,
1816 0x3c400, 0x3c4b4,
1817 0x3c4c0, 0x3c52c,
1818 0x3c540, 0x3c61c,
1819 0x3c800, 0x3c828,
1820 0x3c834, 0x3c834,
1821 0x3c8c0, 0x3c908,
1822 0x3c910, 0x3c9ac,
1823 0x3ca00, 0x3ca14,
1824 0x3ca1c, 0x3ca2c,
1825 0x3ca44, 0x3ca50,
1826 0x3ca74, 0x3ca74,
1827 0x3ca7c, 0x3cafc,
1828 0x3cb08, 0x3cc24,
1829 0x3cd00, 0x3cd00,
1830 0x3cd08, 0x3cd14,
1831 0x3cd1c, 0x3cd20,
1832 0x3cd3c, 0x3cd3c,
1833 0x3cd48, 0x3cd50,
1834 0x3d200, 0x3d20c,
1835 0x3d220, 0x3d220,
1836 0x3d240, 0x3d240,
1837 0x3d600, 0x3d60c,
1838 0x3da00, 0x3da1c,
1839 0x3de00, 0x3de20,
1840 0x3de38, 0x3de3c,
1841 0x3de80, 0x3de80,
1842 0x3de88, 0x3dea8,
1843 0x3deb0, 0x3deb4,
1844 0x3dec8, 0x3ded4,
1845 0x3dfb8, 0x3e004,
1846 0x3e200, 0x3e200,
1847 0x3e208, 0x3e240,
1848 0x3e248, 0x3e280,
1849 0x3e288, 0x3e2c0,
1850 0x3e2c8, 0x3e2fc,
1851 0x3e600, 0x3e630,
1852 0x3ea00, 0x3eabc,
1853 0x3eb00, 0x3eb10,
1854 0x3eb20, 0x3eb30,
1855 0x3eb40, 0x3eb50,
1856 0x3eb60, 0x3eb70,
1857 0x3f000, 0x3f028,
1858 0x3f030, 0x3f048,
1859 0x3f060, 0x3f068,
1860 0x3f070, 0x3f09c,
1861 0x3f0f0, 0x3f128,
1862 0x3f130, 0x3f148,
1863 0x3f160, 0x3f168,
1864 0x3f170, 0x3f19c,
1865 0x3f1f0, 0x3f238,
1866 0x3f240, 0x3f240,
1867 0x3f248, 0x3f250,
1868 0x3f25c, 0x3f264,
1869 0x3f270, 0x3f2b8,
1870 0x3f2c0, 0x3f2e4,
1871 0x3f2f8, 0x3f338,
1872 0x3f340, 0x3f340,
1873 0x3f348, 0x3f350,
1874 0x3f35c, 0x3f364,
1875 0x3f370, 0x3f3b8,
1876 0x3f3c0, 0x3f3e4,
1877 0x3f3f8, 0x3f428,
1878 0x3f430, 0x3f448,
1879 0x3f460, 0x3f468,
1880 0x3f470, 0x3f49c,
1881 0x3f4f0, 0x3f528,
1882 0x3f530, 0x3f548,
1883 0x3f560, 0x3f568,
1884 0x3f570, 0x3f59c,
1885 0x3f5f0, 0x3f638,
1886 0x3f640, 0x3f640,
1887 0x3f648, 0x3f650,
1888 0x3f65c, 0x3f664,
1889 0x3f670, 0x3f6b8,
1890 0x3f6c0, 0x3f6e4,
1891 0x3f6f8, 0x3f738,
1892 0x3f740, 0x3f740,
1893 0x3f748, 0x3f750,
1894 0x3f75c, 0x3f764,
1895 0x3f770, 0x3f7b8,
1896 0x3f7c0, 0x3f7e4,
1897 0x3f7f8, 0x3f7fc,
1898 0x3f814, 0x3f814,
1899 0x3f82c, 0x3f82c,
1900 0x3f880, 0x3f88c,
1901 0x3f8e8, 0x3f8ec,
1902 0x3f900, 0x3f928,
1903 0x3f930, 0x3f948,
1904 0x3f960, 0x3f968,
1905 0x3f970, 0x3f99c,
1906 0x3f9f0, 0x3fa38,
1907 0x3fa40, 0x3fa40,
1908 0x3fa48, 0x3fa50,
1909 0x3fa5c, 0x3fa64,
1910 0x3fa70, 0x3fab8,
1911 0x3fac0, 0x3fae4,
1912 0x3faf8, 0x3fb10,
1913 0x3fb28, 0x3fb28,
1914 0x3fb3c, 0x3fb50,
1915 0x3fbf0, 0x3fc10,
1916 0x3fc28, 0x3fc28,
1917 0x3fc3c, 0x3fc50,
1918 0x3fcf0, 0x3fcfc,
1919 0x40000, 0x4000c,
1920 0x40040, 0x40050,
1921 0x40060, 0x40068,
1922 0x4007c, 0x4008c,
1923 0x40094, 0x400b0,
1924 0x400c0, 0x40144,
1925 0x40180, 0x4018c,
1926 0x40200, 0x40254,
1927 0x40260, 0x40264,
1928 0x40270, 0x40288,
1929 0x40290, 0x40298,
1930 0x402ac, 0x402c8,
1931 0x402d0, 0x402e0,
1932 0x402f0, 0x402f0,
1933 0x40300, 0x4033c,
1934 0x403f8, 0x403fc,
1935 0x41304, 0x413c4,
1936 0x41400, 0x4140c,
1937 0x41414, 0x4141c,
1938 0x41480, 0x414d0,
1939 0x44000, 0x44054,
1940 0x4405c, 0x44078,
1941 0x440c0, 0x44174,
1942 0x44180, 0x441ac,
1943 0x441b4, 0x441b8,
1944 0x441c0, 0x44254,
1945 0x4425c, 0x44278,
1946 0x442c0, 0x44374,
1947 0x44380, 0x443ac,
1948 0x443b4, 0x443b8,
1949 0x443c0, 0x44454,
1950 0x4445c, 0x44478,
1951 0x444c0, 0x44574,
1952 0x44580, 0x445ac,
1953 0x445b4, 0x445b8,
1954 0x445c0, 0x44654,
1955 0x4465c, 0x44678,
1956 0x446c0, 0x44774,
1957 0x44780, 0x447ac,
1958 0x447b4, 0x447b8,
1959 0x447c0, 0x44854,
1960 0x4485c, 0x44878,
1961 0x448c0, 0x44974,
1962 0x44980, 0x449ac,
1963 0x449b4, 0x449b8,
1964 0x449c0, 0x449fc,
1965 0x45000, 0x45004,
1966 0x45010, 0x45030,
1967 0x45040, 0x45060,
1968 0x45068, 0x45068,
1969 0x45080, 0x45084,
1970 0x450a0, 0x450b0,
1971 0x45200, 0x45204,
1972 0x45210, 0x45230,
1973 0x45240, 0x45260,
1974 0x45268, 0x45268,
1975 0x45280, 0x45284,
1976 0x452a0, 0x452b0,
1977 0x460c0, 0x460e4,
1978 0x47000, 0x4703c,
1979 0x47044, 0x4708c,
1980 0x47200, 0x47250,
1981 0x47400, 0x47408,
1982 0x47414, 0x47420,
1983 0x47600, 0x47618,
1984 0x47800, 0x47814,
1985 0x48000, 0x4800c,
1986 0x48040, 0x48050,
1987 0x48060, 0x48068,
1988 0x4807c, 0x4808c,
1989 0x48094, 0x480b0,
1990 0x480c0, 0x48144,
1991 0x48180, 0x4818c,
1992 0x48200, 0x48254,
1993 0x48260, 0x48264,
1994 0x48270, 0x48288,
1995 0x48290, 0x48298,
1996 0x482ac, 0x482c8,
1997 0x482d0, 0x482e0,
1998 0x482f0, 0x482f0,
1999 0x48300, 0x4833c,
2000 0x483f8, 0x483fc,
2001 0x49304, 0x493c4,
2002 0x49400, 0x4940c,
2003 0x49414, 0x4941c,
2004 0x49480, 0x494d0,
2005 0x4c000, 0x4c054,
2006 0x4c05c, 0x4c078,
2007 0x4c0c0, 0x4c174,
2008 0x4c180, 0x4c1ac,
2009 0x4c1b4, 0x4c1b8,
2010 0x4c1c0, 0x4c254,
2011 0x4c25c, 0x4c278,
2012 0x4c2c0, 0x4c374,
2013 0x4c380, 0x4c3ac,
2014 0x4c3b4, 0x4c3b8,
2015 0x4c3c0, 0x4c454,
2016 0x4c45c, 0x4c478,
2017 0x4c4c0, 0x4c574,
2018 0x4c580, 0x4c5ac,
2019 0x4c5b4, 0x4c5b8,
2020 0x4c5c0, 0x4c654,
2021 0x4c65c, 0x4c678,
2022 0x4c6c0, 0x4c774,
2023 0x4c780, 0x4c7ac,
2024 0x4c7b4, 0x4c7b8,
2025 0x4c7c0, 0x4c854,
2026 0x4c85c, 0x4c878,
2027 0x4c8c0, 0x4c974,
2028 0x4c980, 0x4c9ac,
2029 0x4c9b4, 0x4c9b8,
2030 0x4c9c0, 0x4c9fc,
2031 0x4d000, 0x4d004,
2032 0x4d010, 0x4d030,
2033 0x4d040, 0x4d060,
2034 0x4d068, 0x4d068,
2035 0x4d080, 0x4d084,
2036 0x4d0a0, 0x4d0b0,
2037 0x4d200, 0x4d204,
2038 0x4d210, 0x4d230,
2039 0x4d240, 0x4d260,
2040 0x4d268, 0x4d268,
2041 0x4d280, 0x4d284,
2042 0x4d2a0, 0x4d2b0,
2043 0x4e0c0, 0x4e0e4,
2044 0x4f000, 0x4f03c,
2045 0x4f044, 0x4f08c,
2046 0x4f200, 0x4f250,
2047 0x4f400, 0x4f408,
2048 0x4f414, 0x4f420,
2049 0x4f600, 0x4f618,
2050 0x4f800, 0x4f814,
2051 0x50000, 0x50084,
2052 0x50090, 0x500cc,
2053 0x50400, 0x50400,
2054 0x50800, 0x50884,
2055 0x50890, 0x508cc,
2056 0x50c00, 0x50c00,
2057 0x51000, 0x5101c,
2058 0x51300, 0x51308,
2059 };
2060
2061 static const unsigned int t5vf_reg_ranges[] = {
2062 VF_SGE_REG(A_SGE_VF_KDOORBELL), VF_SGE_REG(A_SGE_VF_GTS),
2063 VF_MPS_REG(A_MPS_VF_CTL),
2064 VF_MPS_REG(A_MPS_VF_STAT_RX_VF_ERR_FRAMES_H),
2065 VF_PL_REG(A_PL_VF_WHOAMI), VF_PL_REG(A_PL_VF_REVISION),
2066 VF_CIM_REG(A_CIM_VF_EXT_MAILBOX_CTRL),
2067 VF_CIM_REG(A_CIM_VF_EXT_MAILBOX_STATUS),
2068 FW_T4VF_MBDATA_BASE_ADDR,
2069 FW_T4VF_MBDATA_BASE_ADDR +
2070 ((NUM_CIM_PF_MAILBOX_DATA_INSTANCES - 1) * 4),
2071 };
2072
2073 static const unsigned int t6_reg_ranges[] = {
2074 0x1008, 0x101c,
2075 0x1024, 0x10a8,
2076 0x10b4, 0x10f8,
2077 0x1100, 0x1114,
2078 0x111c, 0x112c,
2079 0x1138, 0x113c,
2080 0x1144, 0x114c,
2081 0x1180, 0x1184,
2082 0x1190, 0x1194,
2083 0x11a0, 0x11a4,
2084 0x11b0, 0x11c4,
2085 0x11fc, 0x1274,
2086 0x1280, 0x133c,
2087 0x1800, 0x18fc,
2088 0x3000, 0x302c,
2089 0x3060, 0x30b0,
2090 0x30b8, 0x30d8,
2091 0x30e0, 0x30fc,
2092 0x3140, 0x357c,
2093 0x35a8, 0x35cc,
2094 0x35ec, 0x35ec,
2095 0x3600, 0x5624,
2096 0x56cc, 0x56ec,
2097 0x56f4, 0x5720,
2098 0x5728, 0x575c,
2099 0x580c, 0x5814,
2100 0x5890, 0x589c,
2101 0x58a4, 0x58ac,
2102 0x58b8, 0x58bc,
2103 0x5940, 0x595c,
2104 0x5980, 0x598c,
2105 0x59b0, 0x59c8,
2106 0x59d0, 0x59dc,
2107 0x59fc, 0x5a18,
2108 0x5a60, 0x5a6c,
2109 0x5a80, 0x5a8c,
2110 0x5a94, 0x5a9c,
2111 0x5b94, 0x5bfc,
2112 0x5c10, 0x5e48,
2113 0x5e50, 0x5e94,
2114 0x5ea0, 0x5eb0,
2115 0x5ec0, 0x5ec0,
2116 0x5ec8, 0x5ed0,
2117 0x5ee0, 0x5ee0,
2118 0x5ef0, 0x5ef0,
2119 0x5f00, 0x5f00,
2120 0x6000, 0x6020,
2121 0x6028, 0x6040,
2122 0x6058, 0x609c,
2123 0x60a8, 0x619c,
2124 0x7700, 0x7798,
2125 0x77c0, 0x7880,
2126 0x78cc, 0x78fc,
2127 0x7b00, 0x7b58,
2128 0x7b60, 0x7b84,
2129 0x7b8c, 0x7c54,
2130 0x7d00, 0x7d38,
2131 0x7d40, 0x7d84,
2132 0x7d8c, 0x7ddc,
2133 0x7de4, 0x7e04,
2134 0x7e10, 0x7e1c,
2135 0x7e24, 0x7e38,
2136 0x7e40, 0x7e44,
2137 0x7e4c, 0x7e78,
2138 0x7e80, 0x7edc,
2139 0x7ee8, 0x7efc,
2140 0x8dc0, 0x8de0,
2141 0x8df8, 0x8e04,
2142 0x8e10, 0x8e84,
2143 0x8ea0, 0x8f88,
2144 0x8fb8, 0x9058,
2145 0x9060, 0x9060,
2146 0x9068, 0x90f8,
2147 0x9100, 0x9124,
2148 0x9400, 0x9470,
2149 0x9600, 0x9600,
2150 0x9608, 0x9638,
2151 0x9640, 0x9704,
2152 0x9710, 0x971c,
2153 0x9800, 0x9808,
2154 0x9810, 0x9864,
2155 0x9c00, 0x9c6c,
2156 0x9c80, 0x9cec,
2157 0x9d00, 0x9d6c,
2158 0x9d80, 0x9dec,
2159 0x9e00, 0x9e6c,
2160 0x9e80, 0x9eec,
2161 0x9f00, 0x9f6c,
2162 0x9f80, 0xa020,
2163 0xd000, 0xd03c,
2164 0xd100, 0xd118,
2165 0xd200, 0xd214,
2166 0xd220, 0xd234,
2167 0xd240, 0xd254,
2168 0xd260, 0xd274,
2169 0xd280, 0xd294,
2170 0xd2a0, 0xd2b4,
2171 0xd2c0, 0xd2d4,
2172 0xd2e0, 0xd2f4,
2173 0xd300, 0xd31c,
2174 0xdfc0, 0xdfe0,
2175 0xe000, 0xf008,
2176 0xf010, 0xf018,
2177 0xf020, 0xf028,
2178 0x11000, 0x11014,
2179 0x11048, 0x1106c,
2180 0x11074, 0x11088,
2181 0x11098, 0x11120,
2182 0x1112c, 0x1117c,
2183 0x11190, 0x112e0,
2184 0x11300, 0x1130c,
2185 0x12000, 0x1206c,
2186 0x19040, 0x1906c,
2187 0x19078, 0x19080,
2188 0x1908c, 0x190e8,
2189 0x190f0, 0x190f8,
2190 0x19100, 0x19110,
2191 0x19120, 0x19124,
2192 0x19150, 0x19194,
2193 0x1919c, 0x191b0,
2194 0x191d0, 0x191e8,
2195 0x19238, 0x19290,
2196 0x192a4, 0x192b0,
2197 0x19348, 0x1934c,
2198 0x193f8, 0x19418,
2199 0x19420, 0x19428,
2200 0x19430, 0x19444,
2201 0x1944c, 0x1946c,
2202 0x19474, 0x19474,
2203 0x19490, 0x194cc,
2204 0x194f0, 0x194f8,
2205 0x19c00, 0x19c48,
2206 0x19c50, 0x19c80,
2207 0x19c94, 0x19c98,
2208 0x19ca0, 0x19cbc,
2209 0x19ce4, 0x19ce4,
2210 0x19cf0, 0x19cf8,
2211 0x19d00, 0x19d28,
2212 0x19d50, 0x19d78,
2213 0x19d94, 0x19d98,
2214 0x19da0, 0x19de0,
2215 0x19df0, 0x19e10,
2216 0x19e50, 0x19e6c,
2217 0x19ea0, 0x19ebc,
2218 0x19ec4, 0x19ef4,
2219 0x19f04, 0x19f2c,
2220 0x19f34, 0x19f34,
2221 0x19f40, 0x19f50,
2222 0x19f90, 0x19fac,
2223 0x19fc4, 0x19fc8,
2224 0x19fd0, 0x19fe4,
2225 0x1a000, 0x1a004,
2226 0x1a010, 0x1a06c,
2227 0x1a0b0, 0x1a0e4,
2228 0x1a0ec, 0x1a0f8,
2229 0x1a100, 0x1a108,
2230 0x1a114, 0x1a130,
2231 0x1a138, 0x1a1c4,
2232 0x1a1fc, 0x1a1fc,
2233 0x1e008, 0x1e00c,
2234 0x1e040, 0x1e044,
2235 0x1e04c, 0x1e04c,
2236 0x1e284, 0x1e290,
2237 0x1e2c0, 0x1e2c0,
2238 0x1e2e0, 0x1e2e0,
2239 0x1e300, 0x1e384,
2240 0x1e3c0, 0x1e3c8,
2241 0x1e408, 0x1e40c,
2242 0x1e440, 0x1e444,
2243 0x1e44c, 0x1e44c,
2244 0x1e684, 0x1e690,
2245 0x1e6c0, 0x1e6c0,
2246 0x1e6e0, 0x1e6e0,
2247 0x1e700, 0x1e784,
2248 0x1e7c0, 0x1e7c8,
2249 0x1e808, 0x1e80c,
2250 0x1e840, 0x1e844,
2251 0x1e84c, 0x1e84c,
2252 0x1ea84, 0x1ea90,
2253 0x1eac0, 0x1eac0,
2254 0x1eae0, 0x1eae0,
2255 0x1eb00, 0x1eb84,
2256 0x1ebc0, 0x1ebc8,
2257 0x1ec08, 0x1ec0c,
2258 0x1ec40, 0x1ec44,
2259 0x1ec4c, 0x1ec4c,
2260 0x1ee84, 0x1ee90,
2261 0x1eec0, 0x1eec0,
2262 0x1eee0, 0x1eee0,
2263 0x1ef00, 0x1ef84,
2264 0x1efc0, 0x1efc8,
2265 0x1f008, 0x1f00c,
2266 0x1f040, 0x1f044,
2267 0x1f04c, 0x1f04c,
2268 0x1f284, 0x1f290,
2269 0x1f2c0, 0x1f2c0,
2270 0x1f2e0, 0x1f2e0,
2271 0x1f300, 0x1f384,
2272 0x1f3c0, 0x1f3c8,
2273 0x1f408, 0x1f40c,
2274 0x1f440, 0x1f444,
2275 0x1f44c, 0x1f44c,
2276 0x1f684, 0x1f690,
2277 0x1f6c0, 0x1f6c0,
2278 0x1f6e0, 0x1f6e0,
2279 0x1f700, 0x1f784,
2280 0x1f7c0, 0x1f7c8,
2281 0x1f808, 0x1f80c,
2282 0x1f840, 0x1f844,
2283 0x1f84c, 0x1f84c,
2284 0x1fa84, 0x1fa90,
2285 0x1fac0, 0x1fac0,
2286 0x1fae0, 0x1fae0,
2287 0x1fb00, 0x1fb84,
2288 0x1fbc0, 0x1fbc8,
2289 0x1fc08, 0x1fc0c,
2290 0x1fc40, 0x1fc44,
2291 0x1fc4c, 0x1fc4c,
2292 0x1fe84, 0x1fe90,
2293 0x1fec0, 0x1fec0,
2294 0x1fee0, 0x1fee0,
2295 0x1ff00, 0x1ff84,
2296 0x1ffc0, 0x1ffc8,
2297 0x30000, 0x30030,
2298 0x30100, 0x30168,
2299 0x30190, 0x301a0,
2300 0x301a8, 0x301b8,
2301 0x301c4, 0x301c8,
2302 0x301d0, 0x301d0,
2303 0x30200, 0x30320,
2304 0x30400, 0x304b4,
2305 0x304c0, 0x3052c,
2306 0x30540, 0x3061c,
2307 0x30800, 0x308a0,
2308 0x308c0, 0x30908,
2309 0x30910, 0x309b8,
2310 0x30a00, 0x30a04,
2311 0x30a0c, 0x30a14,
2312 0x30a1c, 0x30a2c,
2313 0x30a44, 0x30a50,
2314 0x30a74, 0x30a74,
2315 0x30a7c, 0x30afc,
2316 0x30b08, 0x30c24,
2317 0x30d00, 0x30d14,
2318 0x30d1c, 0x30d3c,
2319 0x30d44, 0x30d4c,
2320 0x30d54, 0x30d74,
2321 0x30d7c, 0x30d7c,
2322 0x30de0, 0x30de0,
2323 0x30e00, 0x30ed4,
2324 0x30f00, 0x30fa4,
2325 0x30fc0, 0x30fc4,
2326 0x31000, 0x31004,
2327 0x31080, 0x310fc,
2328 0x31208, 0x31220,
2329 0x3123c, 0x31254,
2330 0x31300, 0x31300,
2331 0x31308, 0x3131c,
2332 0x31338, 0x3133c,
2333 0x31380, 0x31380,
2334 0x31388, 0x313a8,
2335 0x313b4, 0x313b4,
2336 0x31400, 0x31420,
2337 0x31438, 0x3143c,
2338 0x31480, 0x31480,
2339 0x314a8, 0x314a8,
2340 0x314b0, 0x314b4,
2341 0x314c8, 0x314d4,
2342 0x31a40, 0x31a4c,
2343 0x31af0, 0x31b20,
2344 0x31b38, 0x31b3c,
2345 0x31b80, 0x31b80,
2346 0x31ba8, 0x31ba8,
2347 0x31bb0, 0x31bb4,
2348 0x31bc8, 0x31bd4,
2349 0x32140, 0x3218c,
2350 0x321f0, 0x321f4,
2351 0x32200, 0x32200,
2352 0x32218, 0x32218,
2353 0x32400, 0x32400,
2354 0x32408, 0x3241c,
2355 0x32618, 0x32620,
2356 0x32664, 0x32664,
2357 0x326a8, 0x326a8,
2358 0x326ec, 0x326ec,
2359 0x32a00, 0x32abc,
2360 0x32b00, 0x32b18,
2361 0x32b20, 0x32b38,
2362 0x32b40, 0x32b58,
2363 0x32b60, 0x32b78,
2364 0x32c00, 0x32c00,
2365 0x32c08, 0x32c3c,
2366 0x33000, 0x3302c,
2367 0x33034, 0x33050,
2368 0x33058, 0x33058,
2369 0x33060, 0x3308c,
2370 0x3309c, 0x330ac,
2371 0x330c0, 0x330c0,
2372 0x330c8, 0x330d0,
2373 0x330d8, 0x330e0,
2374 0x330ec, 0x3312c,
2375 0x33134, 0x33150,
2376 0x33158, 0x33158,
2377 0x33160, 0x3318c,
2378 0x3319c, 0x331ac,
2379 0x331c0, 0x331c0,
2380 0x331c8, 0x331d0,
2381 0x331d8, 0x331e0,
2382 0x331ec, 0x33290,
2383 0x33298, 0x332c4,
2384 0x332e4, 0x33390,
2385 0x33398, 0x333c4,
2386 0x333e4, 0x3342c,
2387 0x33434, 0x33450,
2388 0x33458, 0x33458,
2389 0x33460, 0x3348c,
2390 0x3349c, 0x334ac,
2391 0x334c0, 0x334c0,
2392 0x334c8, 0x334d0,
2393 0x334d8, 0x334e0,
2394 0x334ec, 0x3352c,
2395 0x33534, 0x33550,
2396 0x33558, 0x33558,
2397 0x33560, 0x3358c,
2398 0x3359c, 0x335ac,
2399 0x335c0, 0x335c0,
2400 0x335c8, 0x335d0,
2401 0x335d8, 0x335e0,
2402 0x335ec, 0x33690,
2403 0x33698, 0x336c4,
2404 0x336e4, 0x33790,
2405 0x33798, 0x337c4,
2406 0x337e4, 0x337fc,
2407 0x33814, 0x33814,
2408 0x33854, 0x33868,
2409 0x33880, 0x3388c,
2410 0x338c0, 0x338d0,
2411 0x338e8, 0x338ec,
2412 0x33900, 0x3392c,
2413 0x33934, 0x33950,
2414 0x33958, 0x33958,
2415 0x33960, 0x3398c,
2416 0x3399c, 0x339ac,
2417 0x339c0, 0x339c0,
2418 0x339c8, 0x339d0,
2419 0x339d8, 0x339e0,
2420 0x339ec, 0x33a90,
2421 0x33a98, 0x33ac4,
2422 0x33ae4, 0x33b10,
2423 0x33b24, 0x33b28,
2424 0x33b38, 0x33b50,
2425 0x33bf0, 0x33c10,
2426 0x33c24, 0x33c28,
2427 0x33c38, 0x33c50,
2428 0x33cf0, 0x33cfc,
2429 0x34000, 0x34030,
2430 0x34100, 0x34168,
2431 0x34190, 0x341a0,
2432 0x341a8, 0x341b8,
2433 0x341c4, 0x341c8,
2434 0x341d0, 0x341d0,
2435 0x34200, 0x34320,
2436 0x34400, 0x344b4,
2437 0x344c0, 0x3452c,
2438 0x34540, 0x3461c,
2439 0x34800, 0x348a0,
2440 0x348c0, 0x34908,
2441 0x34910, 0x349b8,
2442 0x34a00, 0x34a04,
2443 0x34a0c, 0x34a14,
2444 0x34a1c, 0x34a2c,
2445 0x34a44, 0x34a50,
2446 0x34a74, 0x34a74,
2447 0x34a7c, 0x34afc,
2448 0x34b08, 0x34c24,
2449 0x34d00, 0x34d14,
2450 0x34d1c, 0x34d3c,
2451 0x34d44, 0x34d4c,
2452 0x34d54, 0x34d74,
2453 0x34d7c, 0x34d7c,
2454 0x34de0, 0x34de0,
2455 0x34e00, 0x34ed4,
2456 0x34f00, 0x34fa4,
2457 0x34fc0, 0x34fc4,
2458 0x35000, 0x35004,
2459 0x35080, 0x350fc,
2460 0x35208, 0x35220,
2461 0x3523c, 0x35254,
2462 0x35300, 0x35300,
2463 0x35308, 0x3531c,
2464 0x35338, 0x3533c,
2465 0x35380, 0x35380,
2466 0x35388, 0x353a8,
2467 0x353b4, 0x353b4,
2468 0x35400, 0x35420,
2469 0x35438, 0x3543c,
2470 0x35480, 0x35480,
2471 0x354a8, 0x354a8,
2472 0x354b0, 0x354b4,
2473 0x354c8, 0x354d4,
2474 0x35a40, 0x35a4c,
2475 0x35af0, 0x35b20,
2476 0x35b38, 0x35b3c,
2477 0x35b80, 0x35b80,
2478 0x35ba8, 0x35ba8,
2479 0x35bb0, 0x35bb4,
2480 0x35bc8, 0x35bd4,
2481 0x36140, 0x3618c,
2482 0x361f0, 0x361f4,
2483 0x36200, 0x36200,
2484 0x36218, 0x36218,
2485 0x36400, 0x36400,
2486 0x36408, 0x3641c,
2487 0x36618, 0x36620,
2488 0x36664, 0x36664,
2489 0x366a8, 0x366a8,
2490 0x366ec, 0x366ec,
2491 0x36a00, 0x36abc,
2492 0x36b00, 0x36b18,
2493 0x36b20, 0x36b38,
2494 0x36b40, 0x36b58,
2495 0x36b60, 0x36b78,
2496 0x36c00, 0x36c00,
2497 0x36c08, 0x36c3c,
2498 0x37000, 0x3702c,
2499 0x37034, 0x37050,
2500 0x37058, 0x37058,
2501 0x37060, 0x3708c,
2502 0x3709c, 0x370ac,
2503 0x370c0, 0x370c0,
2504 0x370c8, 0x370d0,
2505 0x370d8, 0x370e0,
2506 0x370ec, 0x3712c,
2507 0x37134, 0x37150,
2508 0x37158, 0x37158,
2509 0x37160, 0x3718c,
2510 0x3719c, 0x371ac,
2511 0x371c0, 0x371c0,
2512 0x371c8, 0x371d0,
2513 0x371d8, 0x371e0,
2514 0x371ec, 0x37290,
2515 0x37298, 0x372c4,
2516 0x372e4, 0x37390,
2517 0x37398, 0x373c4,
2518 0x373e4, 0x3742c,
2519 0x37434, 0x37450,
2520 0x37458, 0x37458,
2521 0x37460, 0x3748c,
2522 0x3749c, 0x374ac,
2523 0x374c0, 0x374c0,
2524 0x374c8, 0x374d0,
2525 0x374d8, 0x374e0,
2526 0x374ec, 0x3752c,
2527 0x37534, 0x37550,
2528 0x37558, 0x37558,
2529 0x37560, 0x3758c,
2530 0x3759c, 0x375ac,
2531 0x375c0, 0x375c0,
2532 0x375c8, 0x375d0,
2533 0x375d8, 0x375e0,
2534 0x375ec, 0x37690,
2535 0x37698, 0x376c4,
2536 0x376e4, 0x37790,
2537 0x37798, 0x377c4,
2538 0x377e4, 0x377fc,
2539 0x37814, 0x37814,
2540 0x37854, 0x37868,
2541 0x37880, 0x3788c,
2542 0x378c0, 0x378d0,
2543 0x378e8, 0x378ec,
2544 0x37900, 0x3792c,
2545 0x37934, 0x37950,
2546 0x37958, 0x37958,
2547 0x37960, 0x3798c,
2548 0x3799c, 0x379ac,
2549 0x379c0, 0x379c0,
2550 0x379c8, 0x379d0,
2551 0x379d8, 0x379e0,
2552 0x379ec, 0x37a90,
2553 0x37a98, 0x37ac4,
2554 0x37ae4, 0x37b10,
2555 0x37b24, 0x37b28,
2556 0x37b38, 0x37b50,
2557 0x37bf0, 0x37c10,
2558 0x37c24, 0x37c28,
2559 0x37c38, 0x37c50,
2560 0x37cf0, 0x37cfc,
2561 0x40040, 0x40040,
2562 0x40080, 0x40084,
2563 0x40100, 0x40100,
2564 0x40140, 0x401bc,
2565 0x40200, 0x40214,
2566 0x40228, 0x40228,
2567 0x40240, 0x40258,
2568 0x40280, 0x40280,
2569 0x40304, 0x40304,
2570 0x40330, 0x4033c,
2571 0x41304, 0x413c8,
2572 0x413d0, 0x413dc,
2573 0x413f0, 0x413f0,
2574 0x41400, 0x4140c,
2575 0x41414, 0x4141c,
2576 0x41480, 0x414d0,
2577 0x44000, 0x4407c,
2578 0x440c0, 0x441ac,
2579 0x441b4, 0x4427c,
2580 0x442c0, 0x443ac,
2581 0x443b4, 0x4447c,
2582 0x444c0, 0x445ac,
2583 0x445b4, 0x4467c,
2584 0x446c0, 0x447ac,
2585 0x447b4, 0x4487c,
2586 0x448c0, 0x449ac,
2587 0x449b4, 0x44a7c,
2588 0x44ac0, 0x44bac,
2589 0x44bb4, 0x44c7c,
2590 0x44cc0, 0x44dac,
2591 0x44db4, 0x44e7c,
2592 0x44ec0, 0x44fac,
2593 0x44fb4, 0x4507c,
2594 0x450c0, 0x451ac,
2595 0x451b4, 0x451fc,
2596 0x45800, 0x45804,
2597 0x45810, 0x45830,
2598 0x45840, 0x45860,
2599 0x45868, 0x45868,
2600 0x45880, 0x45884,
2601 0x458a0, 0x458b0,
2602 0x45a00, 0x45a04,
2603 0x45a10, 0x45a30,
2604 0x45a40, 0x45a60,
2605 0x45a68, 0x45a68,
2606 0x45a80, 0x45a84,
2607 0x45aa0, 0x45ab0,
2608 0x460c0, 0x460e4,
2609 0x47000, 0x4703c,
2610 0x47044, 0x4708c,
2611 0x47200, 0x47250,
2612 0x47400, 0x47408,
2613 0x47414, 0x47420,
2614 0x47600, 0x47618,
2615 0x47800, 0x47814,
2616 0x47820, 0x4782c,
2617 0x50000, 0x50084,
2618 0x50090, 0x500cc,
2619 0x50300, 0x50384,
2620 0x50400, 0x50400,
2621 0x50800, 0x50884,
2622 0x50890, 0x508cc,
2623 0x50b00, 0x50b84,
2624 0x50c00, 0x50c00,
2625 0x51000, 0x51020,
2626 0x51028, 0x510b0,
2627 0x51300, 0x51324,
2628 };
2629
2630 static const unsigned int t6vf_reg_ranges[] = {
2631 VF_SGE_REG(A_SGE_VF_KDOORBELL), VF_SGE_REG(A_SGE_VF_GTS),
2632 VF_MPS_REG(A_MPS_VF_CTL),
2633 VF_MPS_REG(A_MPS_VF_STAT_RX_VF_ERR_FRAMES_H),
2634 VF_PL_REG(A_PL_VF_WHOAMI), VF_PL_REG(A_PL_VF_REVISION),
2635 VF_CIM_REG(A_CIM_VF_EXT_MAILBOX_CTRL),
2636 VF_CIM_REG(A_CIM_VF_EXT_MAILBOX_STATUS),
2637 FW_T6VF_MBDATA_BASE_ADDR,
2638 FW_T6VF_MBDATA_BASE_ADDR +
2639 ((NUM_CIM_PF_MAILBOX_DATA_INSTANCES - 1) * 4),
2640 };
2641
2642 u32 *buf_end = (u32 *)(buf + buf_size);
2643 const unsigned int *reg_ranges;
2644 int reg_ranges_size, range;
2645 unsigned int chip_version = chip_id(adap);
2646
2647 /*
2648 * Select the right set of register ranges to dump depending on the
2649 * adapter chip type.
2650 */
2651 switch (chip_version) {
2652 case CHELSIO_T4:
2653 if (adap->flags & IS_VF) {
2654 reg_ranges = t4vf_reg_ranges;
2655 reg_ranges_size = ARRAY_SIZE(t4vf_reg_ranges);
2656 } else {
2657 reg_ranges = t4_reg_ranges;
2658 reg_ranges_size = ARRAY_SIZE(t4_reg_ranges);
2659 }
2660 break;
2661
2662 case CHELSIO_T5:
2663 if (adap->flags & IS_VF) {
2664 reg_ranges = t5vf_reg_ranges;
2665 reg_ranges_size = ARRAY_SIZE(t5vf_reg_ranges);
2666 } else {
2667 reg_ranges = t5_reg_ranges;
2668 reg_ranges_size = ARRAY_SIZE(t5_reg_ranges);
2669 }
2670 break;
2671
2672 case CHELSIO_T6:
2673 if (adap->flags & IS_VF) {
2674 reg_ranges = t6vf_reg_ranges;
2675 reg_ranges_size = ARRAY_SIZE(t6vf_reg_ranges);
2676 } else {
2677 reg_ranges = t6_reg_ranges;
2678 reg_ranges_size = ARRAY_SIZE(t6_reg_ranges);
2679 }
2680 break;
2681
2682 default:
2683 CH_ERR(adap,
2684 "Unsupported chip version %d\n", chip_version);
2685 return;
2686 }
2687
2688 /*
2689 * Clear the register buffer and insert the appropriate register
2690 * values selected by the above register ranges.
2691 */
2692 memset(buf, 0, buf_size);
2693 for (range = 0; range < reg_ranges_size; range += 2) {
2694 unsigned int reg = reg_ranges[range];
2695 unsigned int last_reg = reg_ranges[range + 1];
2696 u32 *bufp = (u32 *)(buf + reg);
2697
2698 /*
2699 * Iterate across the register range filling in the register
2700 * buffer but don't write past the end of the register buffer.
2701 */
2702 while (reg <= last_reg && bufp < buf_end) {
2703 *bufp++ = t4_read_reg(adap, reg);
2704 reg += sizeof(u32);
2705 }
2706 }
2707 }
2708
2709 /*
2710 * Partial EEPROM Vital Product Data structure. The VPD starts with one ID
2711 * header followed by one or more VPD-R sections, each with its own header.
2712 */
2713 struct t4_vpd_hdr {
2714 u8 id_tag;
2715 u8 id_len[2];
2716 u8 id_data[ID_LEN];
2717 };
2718
2719 struct t4_vpdr_hdr {
2720 u8 vpdr_tag;
2721 u8 vpdr_len[2];
2722 };
2723
2724 /*
2725 * EEPROM reads take a few tens of us while writes can take a bit over 5 ms.
2726 */
2727 #define EEPROM_DELAY 10 /* 10us per poll spin */
2728 #define EEPROM_MAX_POLL 5000 /* x 5000 == 50ms */
2729
2730 #define EEPROM_STAT_ADDR 0x7bfc
2731 #define VPD_SIZE 0x800
2732 #define VPD_BASE 0x400
2733 #define VPD_BASE_OLD 0
2734 #define VPD_LEN 1024
2735 #define VPD_INFO_FLD_HDR_SIZE 3
2736 #define CHELSIO_VPD_UNIQUE_ID 0x82
2737
2738 /*
2739 * Small utility function to wait till any outstanding VPD Access is complete.
2740 * We have a per-adapter state variable "VPD Busy" to indicate when we have a
2741 * VPD Access in flight. This allows us to handle the problem of having a
2742 * previous VPD Access time out and prevent an attempt to inject a new VPD
2743 * Request before any in-flight VPD reguest has completed.
2744 */
t4_seeprom_wait(struct adapter * adapter)2745 static int t4_seeprom_wait(struct adapter *adapter)
2746 {
2747 unsigned int base = adapter->params.pci.vpd_cap_addr;
2748 int max_poll;
2749
2750 /*
2751 * If no VPD Access is in flight, we can just return success right
2752 * away.
2753 */
2754 if (!adapter->vpd_busy)
2755 return 0;
2756
2757 /*
2758 * Poll the VPD Capability Address/Flag register waiting for it
2759 * to indicate that the operation is complete.
2760 */
2761 max_poll = EEPROM_MAX_POLL;
2762 do {
2763 u16 val;
2764
2765 udelay(EEPROM_DELAY);
2766 t4_os_pci_read_cfg2(adapter, base + PCI_VPD_ADDR, &val);
2767
2768 /*
2769 * If the operation is complete, mark the VPD as no longer
2770 * busy and return success.
2771 */
2772 if ((val & PCI_VPD_ADDR_F) == adapter->vpd_flag) {
2773 adapter->vpd_busy = 0;
2774 return 0;
2775 }
2776 } while (--max_poll);
2777
2778 /*
2779 * Failure! Note that we leave the VPD Busy status set in order to
2780 * avoid pushing a new VPD Access request into the VPD Capability till
2781 * the current operation eventually succeeds. It's a bug to issue a
2782 * new request when an existing request is in flight and will result
2783 * in corrupt hardware state.
2784 */
2785 return -ETIMEDOUT;
2786 }
2787
2788 /**
2789 * t4_seeprom_read - read a serial EEPROM location
2790 * @adapter: adapter to read
2791 * @addr: EEPROM virtual address
2792 * @data: where to store the read data
2793 *
2794 * Read a 32-bit word from a location in serial EEPROM using the card's PCI
2795 * VPD capability. Note that this function must be called with a virtual
2796 * address.
2797 */
t4_seeprom_read(struct adapter * adapter,u32 addr,u32 * data)2798 int t4_seeprom_read(struct adapter *adapter, u32 addr, u32 *data)
2799 {
2800 unsigned int base = adapter->params.pci.vpd_cap_addr;
2801 int ret;
2802
2803 /*
2804 * VPD Accesses must alway be 4-byte aligned!
2805 */
2806 if (addr >= EEPROMVSIZE || (addr & 3))
2807 return -EINVAL;
2808
2809 /*
2810 * Wait for any previous operation which may still be in flight to
2811 * complete.
2812 */
2813 ret = t4_seeprom_wait(adapter);
2814 if (ret) {
2815 CH_ERR(adapter, "VPD still busy from previous operation\n");
2816 return ret;
2817 }
2818
2819 /*
2820 * Issue our new VPD Read request, mark the VPD as being busy and wait
2821 * for our request to complete. If it doesn't complete, note the
2822 * error and return it to our caller. Note that we do not reset the
2823 * VPD Busy status!
2824 */
2825 t4_os_pci_write_cfg2(adapter, base + PCI_VPD_ADDR, (u16)addr);
2826 adapter->vpd_busy = 1;
2827 adapter->vpd_flag = PCI_VPD_ADDR_F;
2828 ret = t4_seeprom_wait(adapter);
2829 if (ret) {
2830 CH_ERR(adapter, "VPD read of address %#x failed\n", addr);
2831 return ret;
2832 }
2833
2834 /*
2835 * Grab the returned data, swizzle it into our endianness and
2836 * return success.
2837 */
2838 t4_os_pci_read_cfg4(adapter, base + PCI_VPD_DATA, data);
2839 *data = le32_to_cpu(*data);
2840 return 0;
2841 }
2842
2843 /**
2844 * t4_seeprom_write - write a serial EEPROM location
2845 * @adapter: adapter to write
2846 * @addr: virtual EEPROM address
2847 * @data: value to write
2848 *
2849 * Write a 32-bit word to a location in serial EEPROM using the card's PCI
2850 * VPD capability. Note that this function must be called with a virtual
2851 * address.
2852 */
t4_seeprom_write(struct adapter * adapter,u32 addr,u32 data)2853 int t4_seeprom_write(struct adapter *adapter, u32 addr, u32 data)
2854 {
2855 unsigned int base = adapter->params.pci.vpd_cap_addr;
2856 int ret;
2857 u32 stats_reg;
2858 int max_poll;
2859
2860 /*
2861 * VPD Accesses must alway be 4-byte aligned!
2862 */
2863 if (addr >= EEPROMVSIZE || (addr & 3))
2864 return -EINVAL;
2865
2866 /*
2867 * Wait for any previous operation which may still be in flight to
2868 * complete.
2869 */
2870 ret = t4_seeprom_wait(adapter);
2871 if (ret) {
2872 CH_ERR(adapter, "VPD still busy from previous operation\n");
2873 return ret;
2874 }
2875
2876 /*
2877 * Issue our new VPD Read request, mark the VPD as being busy and wait
2878 * for our request to complete. If it doesn't complete, note the
2879 * error and return it to our caller. Note that we do not reset the
2880 * VPD Busy status!
2881 */
2882 t4_os_pci_write_cfg4(adapter, base + PCI_VPD_DATA,
2883 cpu_to_le32(data));
2884 t4_os_pci_write_cfg2(adapter, base + PCI_VPD_ADDR,
2885 (u16)addr | PCI_VPD_ADDR_F);
2886 adapter->vpd_busy = 1;
2887 adapter->vpd_flag = 0;
2888 ret = t4_seeprom_wait(adapter);
2889 if (ret) {
2890 CH_ERR(adapter, "VPD write of address %#x failed\n", addr);
2891 return ret;
2892 }
2893
2894 /*
2895 * Reset PCI_VPD_DATA register after a transaction and wait for our
2896 * request to complete. If it doesn't complete, return error.
2897 */
2898 t4_os_pci_write_cfg4(adapter, base + PCI_VPD_DATA, 0);
2899 max_poll = EEPROM_MAX_POLL;
2900 do {
2901 udelay(EEPROM_DELAY);
2902 t4_seeprom_read(adapter, EEPROM_STAT_ADDR, &stats_reg);
2903 } while ((stats_reg & 0x1) && --max_poll);
2904 if (!max_poll)
2905 return -ETIMEDOUT;
2906
2907 /* Return success! */
2908 return 0;
2909 }
2910
2911 /**
2912 * t4_eeprom_ptov - translate a physical EEPROM address to virtual
2913 * @phys_addr: the physical EEPROM address
2914 * @fn: the PCI function number
2915 * @sz: size of function-specific area
2916 *
2917 * Translate a physical EEPROM address to virtual. The first 1K is
2918 * accessed through virtual addresses starting at 31K, the rest is
2919 * accessed through virtual addresses starting at 0.
2920 *
2921 * The mapping is as follows:
2922 * [0..1K) -> [31K..32K)
2923 * [1K..1K+A) -> [ES-A..ES)
2924 * [1K+A..ES) -> [0..ES-A-1K)
2925 *
2926 * where A = @fn * @sz, and ES = EEPROM size.
2927 */
t4_eeprom_ptov(unsigned int phys_addr,unsigned int fn,unsigned int sz)2928 int t4_eeprom_ptov(unsigned int phys_addr, unsigned int fn, unsigned int sz)
2929 {
2930 fn *= sz;
2931 if (phys_addr < 1024)
2932 return phys_addr + (31 << 10);
2933 if (phys_addr < 1024 + fn)
2934 return EEPROMSIZE - fn + phys_addr - 1024;
2935 if (phys_addr < EEPROMSIZE)
2936 return phys_addr - 1024 - fn;
2937 return -EINVAL;
2938 }
2939
2940 /**
2941 * t4_seeprom_wp - enable/disable EEPROM write protection
2942 * @adapter: the adapter
2943 * @enable: whether to enable or disable write protection
2944 *
2945 * Enables or disables write protection on the serial EEPROM.
2946 */
t4_seeprom_wp(struct adapter * adapter,int enable)2947 int t4_seeprom_wp(struct adapter *adapter, int enable)
2948 {
2949 return t4_seeprom_write(adapter, EEPROM_STAT_ADDR, enable ? 0xc : 0);
2950 }
2951
2952 /**
2953 * get_vpd_keyword_val - Locates an information field keyword in the VPD
2954 * @vpd: Pointer to buffered vpd data structure
2955 * @kw: The keyword to search for
2956 * @region: VPD region to search (starting from 0)
2957 *
2958 * Returns the value of the information field keyword or
2959 * -ENOENT otherwise.
2960 */
get_vpd_keyword_val(const u8 * vpd,const char * kw,int region)2961 static int get_vpd_keyword_val(const u8 *vpd, const char *kw, int region)
2962 {
2963 int i, tag;
2964 unsigned int offset, len;
2965 const struct t4_vpdr_hdr *vpdr;
2966
2967 offset = sizeof(struct t4_vpd_hdr);
2968 vpdr = (const void *)(vpd + offset);
2969 tag = vpdr->vpdr_tag;
2970 len = (u16)vpdr->vpdr_len[0] + ((u16)vpdr->vpdr_len[1] << 8);
2971 while (region--) {
2972 offset += sizeof(struct t4_vpdr_hdr) + len;
2973 vpdr = (const void *)(vpd + offset);
2974 if (++tag != vpdr->vpdr_tag)
2975 return -ENOENT;
2976 len = (u16)vpdr->vpdr_len[0] + ((u16)vpdr->vpdr_len[1] << 8);
2977 }
2978 offset += sizeof(struct t4_vpdr_hdr);
2979
2980 if (offset + len > VPD_LEN) {
2981 return -ENOENT;
2982 }
2983
2984 for (i = offset; i + VPD_INFO_FLD_HDR_SIZE <= offset + len;) {
2985 if (memcmp(vpd + i , kw , 2) == 0){
2986 i += VPD_INFO_FLD_HDR_SIZE;
2987 return i;
2988 }
2989
2990 i += VPD_INFO_FLD_HDR_SIZE + vpd[i+2];
2991 }
2992
2993 return -ENOENT;
2994 }
2995
2996
2997 /**
2998 * get_vpd_params - read VPD parameters from VPD EEPROM
2999 * @adapter: adapter to read
3000 * @p: where to store the parameters
3001 * @vpd: caller provided temporary space to read the VPD into
3002 *
3003 * Reads card parameters stored in VPD EEPROM.
3004 */
get_vpd_params(struct adapter * adapter,struct vpd_params * p,uint16_t device_id,u32 * buf)3005 static int get_vpd_params(struct adapter *adapter, struct vpd_params *p,
3006 uint16_t device_id, u32 *buf)
3007 {
3008 int i, ret, addr;
3009 int ec, sn, pn, na, md;
3010 u8 csum;
3011 const u8 *vpd = (const u8 *)buf;
3012
3013 /*
3014 * Card information normally starts at VPD_BASE but early cards had
3015 * it at 0.
3016 */
3017 ret = t4_seeprom_read(adapter, VPD_BASE, buf);
3018 if (ret)
3019 return (ret);
3020
3021 /*
3022 * The VPD shall have a unique identifier specified by the PCI SIG.
3023 * For chelsio adapters, the identifier is 0x82. The first byte of a VPD
3024 * shall be CHELSIO_VPD_UNIQUE_ID (0x82). The VPD programming software
3025 * is expected to automatically put this entry at the
3026 * beginning of the VPD.
3027 */
3028 addr = *vpd == CHELSIO_VPD_UNIQUE_ID ? VPD_BASE : VPD_BASE_OLD;
3029
3030 for (i = 0; i < VPD_LEN; i += 4) {
3031 ret = t4_seeprom_read(adapter, addr + i, buf++);
3032 if (ret)
3033 return ret;
3034 }
3035
3036 #define FIND_VPD_KW(var,name) do { \
3037 var = get_vpd_keyword_val(vpd, name, 0); \
3038 if (var < 0) { \
3039 CH_ERR(adapter, "missing VPD keyword " name "\n"); \
3040 return -EINVAL; \
3041 } \
3042 } while (0)
3043
3044 FIND_VPD_KW(i, "RV");
3045 for (csum = 0; i >= 0; i--)
3046 csum += vpd[i];
3047
3048 if (csum) {
3049 CH_ERR(adapter,
3050 "corrupted VPD EEPROM, actual csum %u\n", csum);
3051 return -EINVAL;
3052 }
3053
3054 FIND_VPD_KW(ec, "EC");
3055 FIND_VPD_KW(sn, "SN");
3056 FIND_VPD_KW(pn, "PN");
3057 FIND_VPD_KW(na, "NA");
3058 #undef FIND_VPD_KW
3059
3060 memcpy(p->id, vpd + offsetof(struct t4_vpd_hdr, id_data), ID_LEN);
3061 strstrip(p->id);
3062 memcpy(p->ec, vpd + ec, EC_LEN);
3063 strstrip(p->ec);
3064 i = vpd[sn - VPD_INFO_FLD_HDR_SIZE + 2];
3065 memcpy(p->sn, vpd + sn, min(i, SERNUM_LEN));
3066 strstrip(p->sn);
3067 i = vpd[pn - VPD_INFO_FLD_HDR_SIZE + 2];
3068 memcpy(p->pn, vpd + pn, min(i, PN_LEN));
3069 strstrip((char *)p->pn);
3070 i = vpd[na - VPD_INFO_FLD_HDR_SIZE + 2];
3071 memcpy(p->na, vpd + na, min(i, MACADDR_LEN));
3072 strstrip((char *)p->na);
3073
3074 if (device_id & 0x80)
3075 return 0; /* Custom card */
3076
3077 md = get_vpd_keyword_val(vpd, "VF", 1);
3078 if (md < 0) {
3079 snprintf(p->md, sizeof(p->md), "unknown");
3080 } else {
3081 i = vpd[md - VPD_INFO_FLD_HDR_SIZE + 2];
3082 memcpy(p->md, vpd + md, min(i, MD_LEN));
3083 strstrip((char *)p->md);
3084 }
3085
3086 return 0;
3087 }
3088
3089 /* serial flash and firmware constants and flash config file constants */
3090 enum {
3091 SF_ATTEMPTS = 10, /* max retries for SF operations */
3092
3093 /* flash command opcodes */
3094 SF_PROG_PAGE = 2, /* program 256B page */
3095 SF_WR_DISABLE = 4, /* disable writes */
3096 SF_RD_STATUS = 5, /* read status register */
3097 SF_WR_ENABLE = 6, /* enable writes */
3098 SF_RD_DATA_FAST = 0xb, /* read flash */
3099 SF_RD_ID = 0x9f, /* read ID */
3100 SF_ERASE_SECTOR = 0xd8, /* erase 64KB sector */
3101 };
3102
3103 /**
3104 * sf1_read - read data from the serial flash
3105 * @adapter: the adapter
3106 * @byte_cnt: number of bytes to read
3107 * @cont: whether another operation will be chained
3108 * @lock: whether to lock SF for PL access only
3109 * @valp: where to store the read data
3110 *
3111 * Reads up to 4 bytes of data from the serial flash. The location of
3112 * the read needs to be specified prior to calling this by issuing the
3113 * appropriate commands to the serial flash.
3114 */
sf1_read(struct adapter * adapter,unsigned int byte_cnt,int cont,int lock,u32 * valp)3115 static int sf1_read(struct adapter *adapter, unsigned int byte_cnt, int cont,
3116 int lock, u32 *valp)
3117 {
3118 int ret;
3119
3120 if (!byte_cnt || byte_cnt > 4)
3121 return -EINVAL;
3122 if (t4_read_reg(adapter, A_SF_OP) & F_BUSY)
3123 return -EBUSY;
3124 t4_write_reg(adapter, A_SF_OP,
3125 V_SF_LOCK(lock) | V_CONT(cont) | V_BYTECNT(byte_cnt - 1));
3126 ret = t4_wait_op_done(adapter, A_SF_OP, F_BUSY, 0, SF_ATTEMPTS, 5);
3127 if (!ret)
3128 *valp = t4_read_reg(adapter, A_SF_DATA);
3129 return ret;
3130 }
3131
3132 /**
3133 * sf1_write - write data to the serial flash
3134 * @adapter: the adapter
3135 * @byte_cnt: number of bytes to write
3136 * @cont: whether another operation will be chained
3137 * @lock: whether to lock SF for PL access only
3138 * @val: value to write
3139 *
3140 * Writes up to 4 bytes of data to the serial flash. The location of
3141 * the write needs to be specified prior to calling this by issuing the
3142 * appropriate commands to the serial flash.
3143 */
sf1_write(struct adapter * adapter,unsigned int byte_cnt,int cont,int lock,u32 val)3144 static int sf1_write(struct adapter *adapter, unsigned int byte_cnt, int cont,
3145 int lock, u32 val)
3146 {
3147 if (!byte_cnt || byte_cnt > 4)
3148 return -EINVAL;
3149 if (t4_read_reg(adapter, A_SF_OP) & F_BUSY)
3150 return -EBUSY;
3151 t4_write_reg(adapter, A_SF_DATA, val);
3152 t4_write_reg(adapter, A_SF_OP, V_SF_LOCK(lock) |
3153 V_CONT(cont) | V_BYTECNT(byte_cnt - 1) | V_OP(1));
3154 return t4_wait_op_done(adapter, A_SF_OP, F_BUSY, 0, SF_ATTEMPTS, 5);
3155 }
3156
3157 /**
3158 * flash_wait_op - wait for a flash operation to complete
3159 * @adapter: the adapter
3160 * @attempts: max number of polls of the status register
3161 * @delay: delay between polls in ms
3162 *
3163 * Wait for a flash operation to complete by polling the status register.
3164 */
flash_wait_op(struct adapter * adapter,int attempts,int delay)3165 static int flash_wait_op(struct adapter *adapter, int attempts, int delay)
3166 {
3167 int ret;
3168 u32 status;
3169
3170 while (1) {
3171 if ((ret = sf1_write(adapter, 1, 1, 1, SF_RD_STATUS)) != 0 ||
3172 (ret = sf1_read(adapter, 1, 0, 1, &status)) != 0)
3173 return ret;
3174 if (!(status & 1))
3175 return 0;
3176 if (--attempts == 0)
3177 return -EAGAIN;
3178 if (delay)
3179 msleep(delay);
3180 }
3181 }
3182
3183 /**
3184 * t4_read_flash - read words from serial flash
3185 * @adapter: the adapter
3186 * @addr: the start address for the read
3187 * @nwords: how many 32-bit words to read
3188 * @data: where to store the read data
3189 * @byte_oriented: whether to store data as bytes or as words
3190 *
3191 * Read the specified number of 32-bit words from the serial flash.
3192 * If @byte_oriented is set the read data is stored as a byte array
3193 * (i.e., big-endian), otherwise as 32-bit words in the platform's
3194 * natural endianness.
3195 */
t4_read_flash(struct adapter * adapter,unsigned int addr,unsigned int nwords,u32 * data,int byte_oriented)3196 int t4_read_flash(struct adapter *adapter, unsigned int addr,
3197 unsigned int nwords, u32 *data, int byte_oriented)
3198 {
3199 int ret;
3200
3201 if (addr + nwords * sizeof(u32) > adapter->params.sf_size || (addr & 3))
3202 return -EINVAL;
3203
3204 addr = swab32(addr) | SF_RD_DATA_FAST;
3205
3206 if ((ret = sf1_write(adapter, 4, 1, 0, addr)) != 0 ||
3207 (ret = sf1_read(adapter, 1, 1, 0, data)) != 0)
3208 return ret;
3209
3210 for ( ; nwords; nwords--, data++) {
3211 ret = sf1_read(adapter, 4, nwords > 1, nwords == 1, data);
3212 if (nwords == 1)
3213 t4_write_reg(adapter, A_SF_OP, 0); /* unlock SF */
3214 if (ret)
3215 return ret;
3216 if (byte_oriented)
3217 *data = (__force __u32)(cpu_to_be32(*data));
3218 }
3219 return 0;
3220 }
3221
3222 /**
3223 * t4_write_flash - write up to a page of data to the serial flash
3224 * @adapter: the adapter
3225 * @addr: the start address to write
3226 * @n: length of data to write in bytes
3227 * @data: the data to write
3228 * @byte_oriented: whether to store data as bytes or as words
3229 *
3230 * Writes up to a page of data (256 bytes) to the serial flash starting
3231 * at the given address. All the data must be written to the same page.
3232 * If @byte_oriented is set the write data is stored as byte stream
3233 * (i.e. matches what on disk), otherwise in big-endian.
3234 */
t4_write_flash(struct adapter * adapter,unsigned int addr,unsigned int n,const u8 * data,int byte_oriented)3235 int t4_write_flash(struct adapter *adapter, unsigned int addr,
3236 unsigned int n, const u8 *data, int byte_oriented)
3237 {
3238 int ret;
3239 u32 buf[SF_PAGE_SIZE / 4];
3240 unsigned int i, c, left, val, offset = addr & 0xff;
3241
3242 if (addr >= adapter->params.sf_size || offset + n > SF_PAGE_SIZE)
3243 return -EINVAL;
3244
3245 val = swab32(addr) | SF_PROG_PAGE;
3246
3247 if ((ret = sf1_write(adapter, 1, 0, 1, SF_WR_ENABLE)) != 0 ||
3248 (ret = sf1_write(adapter, 4, 1, 1, val)) != 0)
3249 goto unlock;
3250
3251 for (left = n; left; left -= c) {
3252 c = min(left, 4U);
3253 for (val = 0, i = 0; i < c; ++i)
3254 val = (val << 8) + *data++;
3255
3256 if (!byte_oriented)
3257 val = cpu_to_be32(val);
3258
3259 ret = sf1_write(adapter, c, c != left, 1, val);
3260 if (ret)
3261 goto unlock;
3262 }
3263 ret = flash_wait_op(adapter, 8, 1);
3264 if (ret)
3265 goto unlock;
3266
3267 t4_write_reg(adapter, A_SF_OP, 0); /* unlock SF */
3268
3269 /* Read the page to verify the write succeeded */
3270 ret = t4_read_flash(adapter, addr & ~0xff, ARRAY_SIZE(buf), buf,
3271 byte_oriented);
3272 if (ret)
3273 return ret;
3274
3275 if (memcmp(data - n, (u8 *)buf + offset, n)) {
3276 CH_ERR(adapter,
3277 "failed to correctly write the flash page at %#x\n",
3278 addr);
3279 return -EIO;
3280 }
3281 return 0;
3282
3283 unlock:
3284 t4_write_reg(adapter, A_SF_OP, 0); /* unlock SF */
3285 return ret;
3286 }
3287
3288 /**
3289 * t4_get_fw_version - read the firmware version
3290 * @adapter: the adapter
3291 * @vers: where to place the version
3292 *
3293 * Reads the FW version from flash.
3294 */
t4_get_fw_version(struct adapter * adapter,u32 * vers)3295 int t4_get_fw_version(struct adapter *adapter, u32 *vers)
3296 {
3297 return t4_read_flash(adapter, FLASH_FW_START +
3298 offsetof(struct fw_hdr, fw_ver), 1,
3299 vers, 0);
3300 }
3301
3302 /**
3303 * t4_get_fw_hdr - read the firmware header
3304 * @adapter: the adapter
3305 * @hdr: where to place the version
3306 *
3307 * Reads the FW header from flash into caller provided buffer.
3308 */
t4_get_fw_hdr(struct adapter * adapter,struct fw_hdr * hdr)3309 int t4_get_fw_hdr(struct adapter *adapter, struct fw_hdr *hdr)
3310 {
3311 return t4_read_flash(adapter, FLASH_FW_START,
3312 sizeof (*hdr) / sizeof (uint32_t), (uint32_t *)hdr, 1);
3313 }
3314
3315 /**
3316 * t4_get_bs_version - read the firmware bootstrap version
3317 * @adapter: the adapter
3318 * @vers: where to place the version
3319 *
3320 * Reads the FW Bootstrap version from flash.
3321 */
t4_get_bs_version(struct adapter * adapter,u32 * vers)3322 int t4_get_bs_version(struct adapter *adapter, u32 *vers)
3323 {
3324 return t4_read_flash(adapter, FLASH_FWBOOTSTRAP_START +
3325 offsetof(struct fw_hdr, fw_ver), 1,
3326 vers, 0);
3327 }
3328
3329 /**
3330 * t4_get_tp_version - read the TP microcode version
3331 * @adapter: the adapter
3332 * @vers: where to place the version
3333 *
3334 * Reads the TP microcode version from flash.
3335 */
t4_get_tp_version(struct adapter * adapter,u32 * vers)3336 int t4_get_tp_version(struct adapter *adapter, u32 *vers)
3337 {
3338 return t4_read_flash(adapter, FLASH_FW_START +
3339 offsetof(struct fw_hdr, tp_microcode_ver),
3340 1, vers, 0);
3341 }
3342
3343 /**
3344 * t4_get_exprom_version - return the Expansion ROM version (if any)
3345 * @adapter: the adapter
3346 * @vers: where to place the version
3347 *
3348 * Reads the Expansion ROM header from FLASH and returns the version
3349 * number (if present) through the @vers return value pointer. We return
3350 * this in the Firmware Version Format since it's convenient. Return
3351 * 0 on success, -ENOENT if no Expansion ROM is present.
3352 */
t4_get_exprom_version(struct adapter * adapter,u32 * vers)3353 int t4_get_exprom_version(struct adapter *adapter, u32 *vers)
3354 {
3355 struct exprom_header {
3356 unsigned char hdr_arr[16]; /* must start with 0x55aa */
3357 unsigned char hdr_ver[4]; /* Expansion ROM version */
3358 } *hdr;
3359 u32 exprom_header_buf[DIV_ROUND_UP(sizeof(struct exprom_header),
3360 sizeof(u32))];
3361 int ret;
3362
3363 ret = t4_read_flash(adapter, FLASH_EXP_ROM_START,
3364 ARRAY_SIZE(exprom_header_buf), exprom_header_buf,
3365 0);
3366 if (ret)
3367 return ret;
3368
3369 hdr = (struct exprom_header *)exprom_header_buf;
3370 if (hdr->hdr_arr[0] != 0x55 || hdr->hdr_arr[1] != 0xaa)
3371 return -ENOENT;
3372
3373 *vers = (V_FW_HDR_FW_VER_MAJOR(hdr->hdr_ver[0]) |
3374 V_FW_HDR_FW_VER_MINOR(hdr->hdr_ver[1]) |
3375 V_FW_HDR_FW_VER_MICRO(hdr->hdr_ver[2]) |
3376 V_FW_HDR_FW_VER_BUILD(hdr->hdr_ver[3]));
3377 return 0;
3378 }
3379
3380 /**
3381 * t4_get_scfg_version - return the Serial Configuration version
3382 * @adapter: the adapter
3383 * @vers: where to place the version
3384 *
3385 * Reads the Serial Configuration Version via the Firmware interface
3386 * (thus this can only be called once we're ready to issue Firmware
3387 * commands). The format of the Serial Configuration version is
3388 * adapter specific. Returns 0 on success, an error on failure.
3389 *
3390 * Note that early versions of the Firmware didn't include the ability
3391 * to retrieve the Serial Configuration version, so we zero-out the
3392 * return-value parameter in that case to avoid leaving it with
3393 * garbage in it.
3394 *
3395 * Also note that the Firmware will return its cached copy of the Serial
3396 * Initialization Revision ID, not the actual Revision ID as written in
3397 * the Serial EEPROM. This is only an issue if a new VPD has been written
3398 * and the Firmware/Chip haven't yet gone through a RESET sequence. So
3399 * it's best to defer calling this routine till after a FW_RESET_CMD has
3400 * been issued if the Host Driver will be performing a full adapter
3401 * initialization.
3402 */
t4_get_scfg_version(struct adapter * adapter,u32 * vers)3403 int t4_get_scfg_version(struct adapter *adapter, u32 *vers)
3404 {
3405 u32 scfgrev_param;
3406 int ret;
3407
3408 scfgrev_param = (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) |
3409 V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_SCFGREV));
3410 ret = t4_query_params(adapter, adapter->mbox, adapter->pf, 0,
3411 1, &scfgrev_param, vers);
3412 if (ret)
3413 *vers = 0;
3414 return ret;
3415 }
3416
3417 /**
3418 * t4_get_vpd_version - return the VPD version
3419 * @adapter: the adapter
3420 * @vers: where to place the version
3421 *
3422 * Reads the VPD via the Firmware interface (thus this can only be called
3423 * once we're ready to issue Firmware commands). The format of the
3424 * VPD version is adapter specific. Returns 0 on success, an error on
3425 * failure.
3426 *
3427 * Note that early versions of the Firmware didn't include the ability
3428 * to retrieve the VPD version, so we zero-out the return-value parameter
3429 * in that case to avoid leaving it with garbage in it.
3430 *
3431 * Also note that the Firmware will return its cached copy of the VPD
3432 * Revision ID, not the actual Revision ID as written in the Serial
3433 * EEPROM. This is only an issue if a new VPD has been written and the
3434 * Firmware/Chip haven't yet gone through a RESET sequence. So it's best
3435 * to defer calling this routine till after a FW_RESET_CMD has been issued
3436 * if the Host Driver will be performing a full adapter initialization.
3437 */
t4_get_vpd_version(struct adapter * adapter,u32 * vers)3438 int t4_get_vpd_version(struct adapter *adapter, u32 *vers)
3439 {
3440 u32 vpdrev_param;
3441 int ret;
3442
3443 vpdrev_param = (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) |
3444 V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_VPDREV));
3445 ret = t4_query_params(adapter, adapter->mbox, adapter->pf, 0,
3446 1, &vpdrev_param, vers);
3447 if (ret)
3448 *vers = 0;
3449 return ret;
3450 }
3451
3452 /**
3453 * t4_get_version_info - extract various chip/firmware version information
3454 * @adapter: the adapter
3455 *
3456 * Reads various chip/firmware version numbers and stores them into the
3457 * adapter Adapter Parameters structure. If any of the efforts fails
3458 * the first failure will be returned, but all of the version numbers
3459 * will be read.
3460 */
t4_get_version_info(struct adapter * adapter)3461 int t4_get_version_info(struct adapter *adapter)
3462 {
3463 int ret = 0;
3464
3465 #define FIRST_RET(__getvinfo) \
3466 do { \
3467 int __ret = __getvinfo; \
3468 if (__ret && !ret) \
3469 ret = __ret; \
3470 } while (0)
3471
3472 FIRST_RET(t4_get_fw_version(adapter, &adapter->params.fw_vers));
3473 FIRST_RET(t4_get_bs_version(adapter, &adapter->params.bs_vers));
3474 FIRST_RET(t4_get_tp_version(adapter, &adapter->params.tp_vers));
3475 FIRST_RET(t4_get_exprom_version(adapter, &adapter->params.er_vers));
3476 FIRST_RET(t4_get_scfg_version(adapter, &adapter->params.scfg_vers));
3477 FIRST_RET(t4_get_vpd_version(adapter, &adapter->params.vpd_vers));
3478
3479 #undef FIRST_RET
3480
3481 return ret;
3482 }
3483
3484 /**
3485 * t4_flash_erase_sectors - erase a range of flash sectors
3486 * @adapter: the adapter
3487 * @start: the first sector to erase
3488 * @end: the last sector to erase
3489 *
3490 * Erases the sectors in the given inclusive range.
3491 */
t4_flash_erase_sectors(struct adapter * adapter,int start,int end)3492 int t4_flash_erase_sectors(struct adapter *adapter, int start, int end)
3493 {
3494 int ret = 0;
3495
3496 if (end >= adapter->params.sf_nsec)
3497 return -EINVAL;
3498
3499 while (start <= end) {
3500 if ((ret = sf1_write(adapter, 1, 0, 1, SF_WR_ENABLE)) != 0 ||
3501 (ret = sf1_write(adapter, 4, 0, 1,
3502 SF_ERASE_SECTOR | (start << 8))) != 0 ||
3503 (ret = flash_wait_op(adapter, 14, 500)) != 0) {
3504 CH_ERR(adapter,
3505 "erase of flash sector %d failed, error %d\n",
3506 start, ret);
3507 break;
3508 }
3509 start++;
3510 }
3511 t4_write_reg(adapter, A_SF_OP, 0); /* unlock SF */
3512 return ret;
3513 }
3514
3515 /**
3516 * t4_flash_cfg_addr - return the address of the flash configuration file
3517 * @adapter: the adapter
3518 *
3519 * Return the address within the flash where the Firmware Configuration
3520 * File is stored, or an error if the device FLASH is too small to contain
3521 * a Firmware Configuration File.
3522 */
t4_flash_cfg_addr(struct adapter * adapter)3523 int t4_flash_cfg_addr(struct adapter *adapter)
3524 {
3525 /*
3526 * If the device FLASH isn't large enough to hold a Firmware
3527 * Configuration File, return an error.
3528 */
3529 if (adapter->params.sf_size < FLASH_CFG_START + FLASH_CFG_MAX_SIZE)
3530 return -ENOSPC;
3531
3532 return FLASH_CFG_START;
3533 }
3534
3535 /*
3536 * Return TRUE if the specified firmware matches the adapter. I.e. T4
3537 * firmware for T4 adapters, T5 firmware for T5 adapters, etc. We go ahead
3538 * and emit an error message for mismatched firmware to save our caller the
3539 * effort ...
3540 */
t4_fw_matches_chip(struct adapter * adap,const struct fw_hdr * hdr)3541 static int t4_fw_matches_chip(struct adapter *adap,
3542 const struct fw_hdr *hdr)
3543 {
3544 /*
3545 * The expression below will return FALSE for any unsupported adapter
3546 * which will keep us "honest" in the future ...
3547 */
3548 if ((is_t4(adap) && hdr->chip == FW_HDR_CHIP_T4) ||
3549 (is_t5(adap) && hdr->chip == FW_HDR_CHIP_T5) ||
3550 (is_t6(adap) && hdr->chip == FW_HDR_CHIP_T6))
3551 return 1;
3552
3553 CH_ERR(adap,
3554 "FW image (%d) is not suitable for this adapter (%d)\n",
3555 hdr->chip, chip_id(adap));
3556 return 0;
3557 }
3558
3559 /**
3560 * t4_load_fw - download firmware
3561 * @adap: the adapter
3562 * @fw_data: the firmware image to write
3563 * @size: image size
3564 *
3565 * Write the supplied firmware image to the card's serial flash.
3566 */
t4_load_fw(struct adapter * adap,const u8 * fw_data,unsigned int size)3567 int t4_load_fw(struct adapter *adap, const u8 *fw_data, unsigned int size)
3568 {
3569 u32 csum;
3570 int ret, addr;
3571 unsigned int i;
3572 u8 first_page[SF_PAGE_SIZE];
3573 const u32 *p = (const u32 *)fw_data;
3574 const struct fw_hdr *hdr = (const struct fw_hdr *)fw_data;
3575 unsigned int sf_sec_size = adap->params.sf_size / adap->params.sf_nsec;
3576 unsigned int fw_start_sec;
3577 unsigned int fw_start;
3578 unsigned int fw_size;
3579
3580 if (ntohl(hdr->magic) == FW_HDR_MAGIC_BOOTSTRAP) {
3581 fw_start_sec = FLASH_FWBOOTSTRAP_START_SEC;
3582 fw_start = FLASH_FWBOOTSTRAP_START;
3583 fw_size = FLASH_FWBOOTSTRAP_MAX_SIZE;
3584 } else {
3585 fw_start_sec = FLASH_FW_START_SEC;
3586 fw_start = FLASH_FW_START;
3587 fw_size = FLASH_FW_MAX_SIZE;
3588 }
3589
3590 if (!size) {
3591 CH_ERR(adap, "FW image has no data\n");
3592 return -EINVAL;
3593 }
3594 if (size & 511) {
3595 CH_ERR(adap,
3596 "FW image size not multiple of 512 bytes\n");
3597 return -EINVAL;
3598 }
3599 if ((unsigned int) be16_to_cpu(hdr->len512) * 512 != size) {
3600 CH_ERR(adap,
3601 "FW image size differs from size in FW header\n");
3602 return -EINVAL;
3603 }
3604 if (size > fw_size) {
3605 CH_ERR(adap, "FW image too large, max is %u bytes\n",
3606 fw_size);
3607 return -EFBIG;
3608 }
3609 if (!t4_fw_matches_chip(adap, hdr))
3610 return -EINVAL;
3611
3612 for (csum = 0, i = 0; i < size / sizeof(csum); i++)
3613 csum += be32_to_cpu(p[i]);
3614
3615 if (csum != 0xffffffff) {
3616 CH_ERR(adap,
3617 "corrupted firmware image, checksum %#x\n", csum);
3618 return -EINVAL;
3619 }
3620
3621 i = DIV_ROUND_UP(size, sf_sec_size); /* # of sectors spanned */
3622 ret = t4_flash_erase_sectors(adap, fw_start_sec, fw_start_sec + i - 1);
3623 if (ret)
3624 goto out;
3625
3626 /*
3627 * We write the correct version at the end so the driver can see a bad
3628 * version if the FW write fails. Start by writing a copy of the
3629 * first page with a bad version.
3630 */
3631 memcpy(first_page, fw_data, SF_PAGE_SIZE);
3632 ((struct fw_hdr *)first_page)->fw_ver = cpu_to_be32(0xffffffff);
3633 ret = t4_write_flash(adap, fw_start, SF_PAGE_SIZE, first_page, 1);
3634 if (ret)
3635 goto out;
3636
3637 addr = fw_start;
3638 for (size -= SF_PAGE_SIZE; size; size -= SF_PAGE_SIZE) {
3639 addr += SF_PAGE_SIZE;
3640 fw_data += SF_PAGE_SIZE;
3641 ret = t4_write_flash(adap, addr, SF_PAGE_SIZE, fw_data, 1);
3642 if (ret)
3643 goto out;
3644 }
3645
3646 ret = t4_write_flash(adap,
3647 fw_start + offsetof(struct fw_hdr, fw_ver),
3648 sizeof(hdr->fw_ver), (const u8 *)&hdr->fw_ver, 1);
3649 out:
3650 if (ret)
3651 CH_ERR(adap, "firmware download failed, error %d\n",
3652 ret);
3653 return ret;
3654 }
3655
3656 /**
3657 * t4_fwcache - firmware cache operation
3658 * @adap: the adapter
3659 * @op : the operation (flush or flush and invalidate)
3660 */
t4_fwcache(struct adapter * adap,enum fw_params_param_dev_fwcache op)3661 int t4_fwcache(struct adapter *adap, enum fw_params_param_dev_fwcache op)
3662 {
3663 struct fw_params_cmd c;
3664
3665 memset(&c, 0, sizeof(c));
3666 c.op_to_vfn =
3667 cpu_to_be32(V_FW_CMD_OP(FW_PARAMS_CMD) |
3668 F_FW_CMD_REQUEST | F_FW_CMD_WRITE |
3669 V_FW_PARAMS_CMD_PFN(adap->pf) |
3670 V_FW_PARAMS_CMD_VFN(0));
3671 c.retval_len16 = cpu_to_be32(FW_LEN16(c));
3672 c.param[0].mnem =
3673 cpu_to_be32(V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) |
3674 V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_FWCACHE));
3675 c.param[0].val = (__force __be32)op;
3676
3677 return t4_wr_mbox(adap, adap->mbox, &c, sizeof(c), NULL);
3678 }
3679
t4_cim_read_pif_la(struct adapter * adap,u32 * pif_req,u32 * pif_rsp,unsigned int * pif_req_wrptr,unsigned int * pif_rsp_wrptr)3680 void t4_cim_read_pif_la(struct adapter *adap, u32 *pif_req, u32 *pif_rsp,
3681 unsigned int *pif_req_wrptr,
3682 unsigned int *pif_rsp_wrptr)
3683 {
3684 int i, j;
3685 u32 cfg, val, req, rsp;
3686
3687 cfg = t4_read_reg(adap, A_CIM_DEBUGCFG);
3688 if (cfg & F_LADBGEN)
3689 t4_write_reg(adap, A_CIM_DEBUGCFG, cfg ^ F_LADBGEN);
3690
3691 val = t4_read_reg(adap, A_CIM_DEBUGSTS);
3692 req = G_POLADBGWRPTR(val);
3693 rsp = G_PILADBGWRPTR(val);
3694 if (pif_req_wrptr)
3695 *pif_req_wrptr = req;
3696 if (pif_rsp_wrptr)
3697 *pif_rsp_wrptr = rsp;
3698
3699 for (i = 0; i < CIM_PIFLA_SIZE; i++) {
3700 for (j = 0; j < 6; j++) {
3701 t4_write_reg(adap, A_CIM_DEBUGCFG, V_POLADBGRDPTR(req) |
3702 V_PILADBGRDPTR(rsp));
3703 *pif_req++ = t4_read_reg(adap, A_CIM_PO_LA_DEBUGDATA);
3704 *pif_rsp++ = t4_read_reg(adap, A_CIM_PI_LA_DEBUGDATA);
3705 req++;
3706 rsp++;
3707 }
3708 req = (req + 2) & M_POLADBGRDPTR;
3709 rsp = (rsp + 2) & M_PILADBGRDPTR;
3710 }
3711 t4_write_reg(adap, A_CIM_DEBUGCFG, cfg);
3712 }
3713
t4_cim_read_ma_la(struct adapter * adap,u32 * ma_req,u32 * ma_rsp)3714 void t4_cim_read_ma_la(struct adapter *adap, u32 *ma_req, u32 *ma_rsp)
3715 {
3716 u32 cfg;
3717 int i, j, idx;
3718
3719 cfg = t4_read_reg(adap, A_CIM_DEBUGCFG);
3720 if (cfg & F_LADBGEN)
3721 t4_write_reg(adap, A_CIM_DEBUGCFG, cfg ^ F_LADBGEN);
3722
3723 for (i = 0; i < CIM_MALA_SIZE; i++) {
3724 for (j = 0; j < 5; j++) {
3725 idx = 8 * i + j;
3726 t4_write_reg(adap, A_CIM_DEBUGCFG, V_POLADBGRDPTR(idx) |
3727 V_PILADBGRDPTR(idx));
3728 *ma_req++ = t4_read_reg(adap, A_CIM_PO_LA_MADEBUGDATA);
3729 *ma_rsp++ = t4_read_reg(adap, A_CIM_PI_LA_MADEBUGDATA);
3730 }
3731 }
3732 t4_write_reg(adap, A_CIM_DEBUGCFG, cfg);
3733 }
3734
t4_ulprx_read_la(struct adapter * adap,u32 * la_buf)3735 void t4_ulprx_read_la(struct adapter *adap, u32 *la_buf)
3736 {
3737 unsigned int i, j;
3738
3739 for (i = 0; i < 8; i++) {
3740 u32 *p = la_buf + i;
3741
3742 t4_write_reg(adap, A_ULP_RX_LA_CTL, i);
3743 j = t4_read_reg(adap, A_ULP_RX_LA_WRPTR);
3744 t4_write_reg(adap, A_ULP_RX_LA_RDPTR, j);
3745 for (j = 0; j < ULPRX_LA_SIZE; j++, p += 8)
3746 *p = t4_read_reg(adap, A_ULP_RX_LA_RDDATA);
3747 }
3748 }
3749
3750 /**
3751 * fwcaps16_to_caps32 - convert 16-bit Port Capabilities to 32-bits
3752 * @caps16: a 16-bit Port Capabilities value
3753 *
3754 * Returns the equivalent 32-bit Port Capabilities value.
3755 */
fwcaps16_to_caps32(uint16_t caps16)3756 static uint32_t fwcaps16_to_caps32(uint16_t caps16)
3757 {
3758 uint32_t caps32 = 0;
3759
3760 #define CAP16_TO_CAP32(__cap) \
3761 do { \
3762 if (caps16 & FW_PORT_CAP_##__cap) \
3763 caps32 |= FW_PORT_CAP32_##__cap; \
3764 } while (0)
3765
3766 CAP16_TO_CAP32(SPEED_100M);
3767 CAP16_TO_CAP32(SPEED_1G);
3768 CAP16_TO_CAP32(SPEED_25G);
3769 CAP16_TO_CAP32(SPEED_10G);
3770 CAP16_TO_CAP32(SPEED_40G);
3771 CAP16_TO_CAP32(SPEED_100G);
3772 CAP16_TO_CAP32(FC_RX);
3773 CAP16_TO_CAP32(FC_TX);
3774 CAP16_TO_CAP32(ANEG);
3775 CAP16_TO_CAP32(FORCE_PAUSE);
3776 CAP16_TO_CAP32(MDIAUTO);
3777 CAP16_TO_CAP32(MDISTRAIGHT);
3778 CAP16_TO_CAP32(FEC_RS);
3779 CAP16_TO_CAP32(FEC_BASER_RS);
3780 CAP16_TO_CAP32(802_3_PAUSE);
3781 CAP16_TO_CAP32(802_3_ASM_DIR);
3782
3783 #undef CAP16_TO_CAP32
3784
3785 return caps32;
3786 }
3787
3788 /**
3789 * fwcaps32_to_caps16 - convert 32-bit Port Capabilities to 16-bits
3790 * @caps32: a 32-bit Port Capabilities value
3791 *
3792 * Returns the equivalent 16-bit Port Capabilities value. Note that
3793 * not all 32-bit Port Capabilities can be represented in the 16-bit
3794 * Port Capabilities and some fields/values may not make it.
3795 */
fwcaps32_to_caps16(uint32_t caps32)3796 static uint16_t fwcaps32_to_caps16(uint32_t caps32)
3797 {
3798 uint16_t caps16 = 0;
3799
3800 #define CAP32_TO_CAP16(__cap) \
3801 do { \
3802 if (caps32 & FW_PORT_CAP32_##__cap) \
3803 caps16 |= FW_PORT_CAP_##__cap; \
3804 } while (0)
3805
3806 CAP32_TO_CAP16(SPEED_100M);
3807 CAP32_TO_CAP16(SPEED_1G);
3808 CAP32_TO_CAP16(SPEED_10G);
3809 CAP32_TO_CAP16(SPEED_25G);
3810 CAP32_TO_CAP16(SPEED_40G);
3811 CAP32_TO_CAP16(SPEED_100G);
3812 CAP32_TO_CAP16(FC_RX);
3813 CAP32_TO_CAP16(FC_TX);
3814 CAP32_TO_CAP16(802_3_PAUSE);
3815 CAP32_TO_CAP16(802_3_ASM_DIR);
3816 CAP32_TO_CAP16(ANEG);
3817 CAP32_TO_CAP16(FORCE_PAUSE);
3818 CAP32_TO_CAP16(MDIAUTO);
3819 CAP32_TO_CAP16(MDISTRAIGHT);
3820 CAP32_TO_CAP16(FEC_RS);
3821 CAP32_TO_CAP16(FEC_BASER_RS);
3822
3823 #undef CAP32_TO_CAP16
3824
3825 return caps16;
3826 }
3827
3828 static bool
is_bt(struct port_info * pi)3829 is_bt(struct port_info *pi)
3830 {
3831
3832 return (pi->port_type == FW_PORT_TYPE_BT_SGMII ||
3833 pi->port_type == FW_PORT_TYPE_BT_XFI ||
3834 pi->port_type == FW_PORT_TYPE_BT_XAUI);
3835 }
3836
fwcap_to_fec(uint32_t caps,bool unset_means_none)3837 static int8_t fwcap_to_fec(uint32_t caps, bool unset_means_none)
3838 {
3839 int8_t fec = 0;
3840
3841 if ((caps & V_FW_PORT_CAP32_FEC(M_FW_PORT_CAP32_FEC)) == 0)
3842 return (unset_means_none ? FEC_NONE : 0);
3843
3844 if (caps & FW_PORT_CAP32_FEC_RS)
3845 fec |= FEC_RS;
3846 if (caps & FW_PORT_CAP32_FEC_BASER_RS)
3847 fec |= FEC_BASER_RS;
3848 if (caps & FW_PORT_CAP32_FEC_NO_FEC)
3849 fec |= FEC_NONE;
3850
3851 return (fec);
3852 }
3853
3854 /*
3855 * Note that 0 is not translated to NO_FEC.
3856 */
fec_to_fwcap(int8_t fec)3857 static uint32_t fec_to_fwcap(int8_t fec)
3858 {
3859 uint32_t caps = 0;
3860
3861 /* Only real FECs allowed. */
3862 MPASS((fec & ~M_FW_PORT_CAP32_FEC) == 0);
3863
3864 if (fec & FEC_RS)
3865 caps |= FW_PORT_CAP32_FEC_RS;
3866 if (fec & FEC_BASER_RS)
3867 caps |= FW_PORT_CAP32_FEC_BASER_RS;
3868 if (fec & FEC_NONE)
3869 caps |= FW_PORT_CAP32_FEC_NO_FEC;
3870
3871 return (caps);
3872 }
3873
3874 /**
3875 * t4_link_l1cfg - apply link configuration to MAC/PHY
3876 * @phy: the PHY to setup
3877 * @mac: the MAC to setup
3878 * @lc: the requested link configuration
3879 *
3880 * Set up a port's MAC and PHY according to a desired link configuration.
3881 * - If the PHY can auto-negotiate first decide what to advertise, then
3882 * enable/disable auto-negotiation as desired, and reset.
3883 * - If the PHY does not auto-negotiate just reset it.
3884 * - If auto-negotiation is off set the MAC to the proper speed/duplex/FC,
3885 * otherwise do it later based on the outcome of auto-negotiation.
3886 */
t4_link_l1cfg(struct adapter * adap,unsigned int mbox,unsigned int port,struct link_config * lc)3887 int t4_link_l1cfg(struct adapter *adap, unsigned int mbox, unsigned int port,
3888 struct link_config *lc)
3889 {
3890 struct fw_port_cmd c;
3891 unsigned int mdi = V_FW_PORT_CAP32_MDI(FW_PORT_CAP32_MDI_AUTO);
3892 unsigned int aneg, fc, fec, speed, rcap;
3893
3894 fc = 0;
3895 if (lc->requested_fc & PAUSE_RX)
3896 fc |= FW_PORT_CAP32_FC_RX;
3897 if (lc->requested_fc & PAUSE_TX)
3898 fc |= FW_PORT_CAP32_FC_TX;
3899 if (!(lc->requested_fc & PAUSE_AUTONEG))
3900 fc |= FW_PORT_CAP32_FORCE_PAUSE;
3901
3902 if (lc->requested_aneg == AUTONEG_DISABLE)
3903 aneg = 0;
3904 else if (lc->requested_aneg == AUTONEG_ENABLE)
3905 aneg = FW_PORT_CAP32_ANEG;
3906 else
3907 aneg = lc->pcaps & FW_PORT_CAP32_ANEG;
3908
3909 if (aneg) {
3910 speed = lc->pcaps &
3911 V_FW_PORT_CAP32_SPEED(M_FW_PORT_CAP32_SPEED);
3912 } else if (lc->requested_speed != 0)
3913 speed = speed_to_fwcap(lc->requested_speed);
3914 else
3915 speed = fwcap_top_speed(lc->pcaps);
3916
3917 fec = 0;
3918 if (fec_supported(speed)) {
3919 if (lc->requested_fec == FEC_AUTO) {
3920 if (lc->pcaps & FW_PORT_CAP32_FORCE_FEC) {
3921 if (speed & FW_PORT_CAP32_SPEED_100G) {
3922 fec |= FW_PORT_CAP32_FEC_RS;
3923 fec |= FW_PORT_CAP32_FEC_NO_FEC;
3924 } else {
3925 fec |= FW_PORT_CAP32_FEC_RS;
3926 fec |= FW_PORT_CAP32_FEC_BASER_RS;
3927 fec |= FW_PORT_CAP32_FEC_NO_FEC;
3928 }
3929 } else {
3930 /* Set only 1b with old firmwares. */
3931 fec |= fec_to_fwcap(lc->fec_hint);
3932 }
3933 } else {
3934 fec |= fec_to_fwcap(lc->requested_fec &
3935 M_FW_PORT_CAP32_FEC);
3936 if (lc->requested_fec & FEC_MODULE)
3937 fec |= fec_to_fwcap(lc->fec_hint);
3938 }
3939
3940 if (lc->pcaps & FW_PORT_CAP32_FORCE_FEC)
3941 fec |= FW_PORT_CAP32_FORCE_FEC;
3942 else if (fec == FW_PORT_CAP32_FEC_NO_FEC)
3943 fec = 0;
3944 }
3945
3946 /* Force AN on for BT cards. */
3947 if (is_bt(adap->port[adap->chan_map[port]]))
3948 aneg = lc->pcaps & FW_PORT_CAP32_ANEG;
3949
3950 rcap = aneg | speed | fc | fec;
3951 if ((rcap | lc->pcaps) != lc->pcaps) {
3952 #ifdef INVARIANTS
3953 CH_WARN(adap, "rcap 0x%08x, pcap 0x%08x, removed 0x%x\n", rcap,
3954 lc->pcaps, rcap & (rcap ^ lc->pcaps));
3955 #endif
3956 rcap &= lc->pcaps;
3957 }
3958 rcap |= mdi;
3959
3960 memset(&c, 0, sizeof(c));
3961 c.op_to_portid = cpu_to_be32(V_FW_CMD_OP(FW_PORT_CMD) |
3962 F_FW_CMD_REQUEST | F_FW_CMD_EXEC |
3963 V_FW_PORT_CMD_PORTID(port));
3964 if (adap->params.port_caps32) {
3965 c.action_to_len16 =
3966 cpu_to_be32(V_FW_PORT_CMD_ACTION(FW_PORT_ACTION_L1_CFG32) |
3967 FW_LEN16(c));
3968 c.u.l1cfg32.rcap32 = cpu_to_be32(rcap);
3969 } else {
3970 c.action_to_len16 =
3971 cpu_to_be32(V_FW_PORT_CMD_ACTION(FW_PORT_ACTION_L1_CFG) |
3972 FW_LEN16(c));
3973 c.u.l1cfg.rcap = cpu_to_be32(fwcaps32_to_caps16(rcap));
3974 }
3975
3976 return t4_wr_mbox_ns(adap, mbox, &c, sizeof(c), NULL);
3977 }
3978
3979 /**
3980 * t4_restart_aneg - restart autonegotiation
3981 * @adap: the adapter
3982 * @mbox: mbox to use for the FW command
3983 * @port: the port id
3984 *
3985 * Restarts autonegotiation for the selected port.
3986 */
t4_restart_aneg(struct adapter * adap,unsigned int mbox,unsigned int port)3987 int t4_restart_aneg(struct adapter *adap, unsigned int mbox, unsigned int port)
3988 {
3989 struct fw_port_cmd c;
3990
3991 memset(&c, 0, sizeof(c));
3992 c.op_to_portid = cpu_to_be32(V_FW_CMD_OP(FW_PORT_CMD) |
3993 F_FW_CMD_REQUEST | F_FW_CMD_EXEC |
3994 V_FW_PORT_CMD_PORTID(port));
3995 c.action_to_len16 =
3996 cpu_to_be32(V_FW_PORT_CMD_ACTION(FW_PORT_ACTION_L1_CFG) |
3997 FW_LEN16(c));
3998 c.u.l1cfg.rcap = cpu_to_be32(FW_PORT_CAP_ANEG);
3999 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
4000 }
4001
4002 struct intr_details {
4003 u32 mask;
4004 const char *msg;
4005 };
4006
4007 struct intr_action {
4008 u32 mask;
4009 int arg;
4010 bool (*action)(struct adapter *, int, bool);
4011 };
4012
4013 #define NONFATAL_IF_DISABLED 1
4014 struct intr_info {
4015 const char *name; /* name of the INT_CAUSE register */
4016 int cause_reg; /* INT_CAUSE register */
4017 int enable_reg; /* INT_ENABLE register */
4018 u32 fatal; /* bits that are fatal */
4019 int flags; /* hints */
4020 const struct intr_details *details;
4021 const struct intr_action *actions;
4022 };
4023
4024 static inline char
intr_alert_char(u32 cause,u32 enable,u32 fatal)4025 intr_alert_char(u32 cause, u32 enable, u32 fatal)
4026 {
4027
4028 if (cause & fatal)
4029 return ('!');
4030 if (cause & enable)
4031 return ('*');
4032 return ('-');
4033 }
4034
4035 static void
t4_show_intr_info(struct adapter * adap,const struct intr_info * ii,u32 cause)4036 t4_show_intr_info(struct adapter *adap, const struct intr_info *ii, u32 cause)
4037 {
4038 u32 enable, fatal, leftover;
4039 const struct intr_details *details;
4040 char alert;
4041
4042 enable = t4_read_reg(adap, ii->enable_reg);
4043 if (ii->flags & NONFATAL_IF_DISABLED)
4044 fatal = ii->fatal & t4_read_reg(adap, ii->enable_reg);
4045 else
4046 fatal = ii->fatal;
4047 alert = intr_alert_char(cause, enable, fatal);
4048 CH_ALERT(adap, "%c %s 0x%x = 0x%08x, E 0x%08x, F 0x%08x\n",
4049 alert, ii->name, ii->cause_reg, cause, enable, fatal);
4050
4051 leftover = cause;
4052 for (details = ii->details; details && details->mask != 0; details++) {
4053 u32 msgbits = details->mask & cause;
4054 if (msgbits == 0)
4055 continue;
4056 alert = intr_alert_char(msgbits, enable, ii->fatal);
4057 CH_ALERT(adap, " %c [0x%08x] %s\n", alert, msgbits,
4058 details->msg);
4059 leftover &= ~msgbits;
4060 }
4061 if (leftover != 0 && leftover != cause)
4062 CH_ALERT(adap, " ? [0x%08x]\n", leftover);
4063 }
4064
4065 /*
4066 * Returns true for fatal error.
4067 */
4068 static bool
t4_handle_intr(struct adapter * adap,const struct intr_info * ii,u32 additional_cause,bool verbose)4069 t4_handle_intr(struct adapter *adap, const struct intr_info *ii,
4070 u32 additional_cause, bool verbose)
4071 {
4072 u32 cause, fatal;
4073 bool rc;
4074 const struct intr_action *action;
4075
4076 /*
4077 * Read and display cause. Note that the top level PL_INT_CAUSE is a
4078 * bit special and we need to completely ignore the bits that are not in
4079 * PL_INT_ENABLE.
4080 */
4081 cause = t4_read_reg(adap, ii->cause_reg);
4082 if (ii->cause_reg == A_PL_INT_CAUSE)
4083 cause &= t4_read_reg(adap, ii->enable_reg);
4084 if (verbose || cause != 0)
4085 t4_show_intr_info(adap, ii, cause);
4086 fatal = cause & ii->fatal;
4087 if (fatal != 0 && ii->flags & NONFATAL_IF_DISABLED)
4088 fatal &= t4_read_reg(adap, ii->enable_reg);
4089 cause |= additional_cause;
4090 if (cause == 0)
4091 return (false);
4092
4093 rc = fatal != 0;
4094 for (action = ii->actions; action && action->mask != 0; action++) {
4095 if (!(action->mask & cause))
4096 continue;
4097 rc |= (action->action)(adap, action->arg, verbose);
4098 }
4099
4100 /* clear */
4101 t4_write_reg(adap, ii->cause_reg, cause);
4102 (void)t4_read_reg(adap, ii->cause_reg);
4103
4104 return (rc);
4105 }
4106
4107 /*
4108 * Interrupt handler for the PCIE module.
4109 */
pcie_intr_handler(struct adapter * adap,int arg,bool verbose)4110 static bool pcie_intr_handler(struct adapter *adap, int arg, bool verbose)
4111 {
4112 static const struct intr_details sysbus_intr_details[] = {
4113 { F_RNPP, "RXNP array parity error" },
4114 { F_RPCP, "RXPC array parity error" },
4115 { F_RCIP, "RXCIF array parity error" },
4116 { F_RCCP, "Rx completions control array parity error" },
4117 { F_RFTP, "RXFT array parity error" },
4118 { 0 }
4119 };
4120 static const struct intr_info sysbus_intr_info = {
4121 .name = "PCIE_CORE_UTL_SYSTEM_BUS_AGENT_STATUS",
4122 .cause_reg = A_PCIE_CORE_UTL_SYSTEM_BUS_AGENT_STATUS,
4123 .enable_reg = A_PCIE_CORE_UTL_SYSTEM_BUS_AGENT_INTERRUPT_ENABLE,
4124 .fatal = F_RFTP | F_RCCP | F_RCIP | F_RPCP | F_RNPP,
4125 .flags = 0,
4126 .details = sysbus_intr_details,
4127 .actions = NULL,
4128 };
4129 static const struct intr_details pcie_port_intr_details[] = {
4130 { F_TPCP, "TXPC array parity error" },
4131 { F_TNPP, "TXNP array parity error" },
4132 { F_TFTP, "TXFT array parity error" },
4133 { F_TCAP, "TXCA array parity error" },
4134 { F_TCIP, "TXCIF array parity error" },
4135 { F_RCAP, "RXCA array parity error" },
4136 { F_OTDD, "outbound request TLP discarded" },
4137 { F_RDPE, "Rx data parity error" },
4138 { F_TDUE, "Tx uncorrectable data error" },
4139 { 0 }
4140 };
4141 static const struct intr_info pcie_port_intr_info = {
4142 .name = "PCIE_CORE_UTL_PCI_EXPRESS_PORT_STATUS",
4143 .cause_reg = A_PCIE_CORE_UTL_PCI_EXPRESS_PORT_STATUS,
4144 .enable_reg = A_PCIE_CORE_UTL_PCI_EXPRESS_PORT_INTERRUPT_ENABLE,
4145 .fatal = F_TPCP | F_TNPP | F_TFTP | F_TCAP | F_TCIP | F_RCAP |
4146 F_OTDD | F_RDPE | F_TDUE,
4147 .flags = 0,
4148 .details = pcie_port_intr_details,
4149 .actions = NULL,
4150 };
4151 static const struct intr_details pcie_intr_details[] = {
4152 { F_MSIADDRLPERR, "MSI AddrL parity error" },
4153 { F_MSIADDRHPERR, "MSI AddrH parity error" },
4154 { F_MSIDATAPERR, "MSI data parity error" },
4155 { F_MSIXADDRLPERR, "MSI-X AddrL parity error" },
4156 { F_MSIXADDRHPERR, "MSI-X AddrH parity error" },
4157 { F_MSIXDATAPERR, "MSI-X data parity error" },
4158 { F_MSIXDIPERR, "MSI-X DI parity error" },
4159 { F_PIOCPLPERR, "PCIe PIO completion FIFO parity error" },
4160 { F_PIOREQPERR, "PCIe PIO request FIFO parity error" },
4161 { F_TARTAGPERR, "PCIe target tag FIFO parity error" },
4162 { F_CCNTPERR, "PCIe CMD channel count parity error" },
4163 { F_CREQPERR, "PCIe CMD channel request parity error" },
4164 { F_CRSPPERR, "PCIe CMD channel response parity error" },
4165 { F_DCNTPERR, "PCIe DMA channel count parity error" },
4166 { F_DREQPERR, "PCIe DMA channel request parity error" },
4167 { F_DRSPPERR, "PCIe DMA channel response parity error" },
4168 { F_HCNTPERR, "PCIe HMA channel count parity error" },
4169 { F_HREQPERR, "PCIe HMA channel request parity error" },
4170 { F_HRSPPERR, "PCIe HMA channel response parity error" },
4171 { F_CFGSNPPERR, "PCIe config snoop FIFO parity error" },
4172 { F_FIDPERR, "PCIe FID parity error" },
4173 { F_INTXCLRPERR, "PCIe INTx clear parity error" },
4174 { F_MATAGPERR, "PCIe MA tag parity error" },
4175 { F_PIOTAGPERR, "PCIe PIO tag parity error" },
4176 { F_RXCPLPERR, "PCIe Rx completion parity error" },
4177 { F_RXWRPERR, "PCIe Rx write parity error" },
4178 { F_RPLPERR, "PCIe replay buffer parity error" },
4179 { F_PCIESINT, "PCIe core secondary fault" },
4180 { F_PCIEPINT, "PCIe core primary fault" },
4181 { F_UNXSPLCPLERR, "PCIe unexpected split completion error" },
4182 { 0 }
4183 };
4184 static const struct intr_details t5_pcie_intr_details[] = {
4185 { F_IPGRPPERR, "Parity errors observed by IP" },
4186 { F_NONFATALERR, "PCIe non-fatal error" },
4187 { F_READRSPERR, "Outbound read error" },
4188 { F_TRGT1GRPPERR, "PCIe TRGT1 group FIFOs parity error" },
4189 { F_IPSOTPERR, "PCIe IP SOT buffer SRAM parity error" },
4190 { F_IPRETRYPERR, "PCIe IP replay buffer parity error" },
4191 { F_IPRXDATAGRPPERR, "PCIe IP Rx data group SRAMs parity error" },
4192 { F_IPRXHDRGRPPERR, "PCIe IP Rx header group SRAMs parity error" },
4193 { F_PIOTAGQPERR, "PIO tag queue FIFO parity error" },
4194 { F_MAGRPPERR, "MA group FIFO parity error" },
4195 { F_VFIDPERR, "VFID SRAM parity error" },
4196 { F_FIDPERR, "FID SRAM parity error" },
4197 { F_CFGSNPPERR, "config snoop FIFO parity error" },
4198 { F_HRSPPERR, "HMA channel response data SRAM parity error" },
4199 { F_HREQRDPERR, "HMA channel read request SRAM parity error" },
4200 { F_HREQWRPERR, "HMA channel write request SRAM parity error" },
4201 { F_DRSPPERR, "DMA channel response data SRAM parity error" },
4202 { F_DREQRDPERR, "DMA channel write request SRAM parity error" },
4203 { F_CRSPPERR, "CMD channel response data SRAM parity error" },
4204 { F_CREQRDPERR, "CMD channel read request SRAM parity error" },
4205 { F_MSTTAGQPERR, "PCIe master tag queue SRAM parity error" },
4206 { F_TGTTAGQPERR, "PCIe target tag queue FIFO parity error" },
4207 { F_PIOREQGRPPERR, "PIO request group FIFOs parity error" },
4208 { F_PIOCPLGRPPERR, "PIO completion group FIFOs parity error" },
4209 { F_MSIXDIPERR, "MSI-X DI SRAM parity error" },
4210 { F_MSIXDATAPERR, "MSI-X data SRAM parity error" },
4211 { F_MSIXADDRHPERR, "MSI-X AddrH SRAM parity error" },
4212 { F_MSIXADDRLPERR, "MSI-X AddrL SRAM parity error" },
4213 { F_MSIXSTIPERR, "MSI-X STI SRAM parity error" },
4214 { F_MSTTIMEOUTPERR, "Master timeout FIFO parity error" },
4215 { F_MSTGRPPERR, "Master response read queue SRAM parity error" },
4216 { 0 }
4217 };
4218 struct intr_info pcie_intr_info = {
4219 .name = "PCIE_INT_CAUSE",
4220 .cause_reg = A_PCIE_INT_CAUSE,
4221 .enable_reg = A_PCIE_INT_ENABLE,
4222 .fatal = 0xffffffff,
4223 .flags = NONFATAL_IF_DISABLED,
4224 .details = NULL,
4225 .actions = NULL,
4226 };
4227 bool fatal = false;
4228
4229 if (is_t4(adap)) {
4230 fatal |= t4_handle_intr(adap, &sysbus_intr_info, 0, verbose);
4231 fatal |= t4_handle_intr(adap, &pcie_port_intr_info, 0, verbose);
4232
4233 pcie_intr_info.details = pcie_intr_details;
4234 } else {
4235 pcie_intr_info.details = t5_pcie_intr_details;
4236 }
4237 fatal |= t4_handle_intr(adap, &pcie_intr_info, 0, verbose);
4238
4239 return (fatal);
4240 }
4241
4242 /*
4243 * TP interrupt handler.
4244 */
tp_intr_handler(struct adapter * adap,int arg,bool verbose)4245 static bool tp_intr_handler(struct adapter *adap, int arg, bool verbose)
4246 {
4247 static const struct intr_details tp_intr_details[] = {
4248 { 0x3fffffff, "TP parity error" },
4249 { F_FLMTXFLSTEMPTY, "TP out of Tx pages" },
4250 { 0 }
4251 };
4252 static const struct intr_info tp_intr_info = {
4253 .name = "TP_INT_CAUSE",
4254 .cause_reg = A_TP_INT_CAUSE,
4255 .enable_reg = A_TP_INT_ENABLE,
4256 .fatal = 0x7fffffff,
4257 .flags = NONFATAL_IF_DISABLED,
4258 .details = tp_intr_details,
4259 .actions = NULL,
4260 };
4261
4262 return (t4_handle_intr(adap, &tp_intr_info, 0, verbose));
4263 }
4264
4265 /*
4266 * SGE interrupt handler.
4267 */
sge_intr_handler(struct adapter * adap,int arg,bool verbose)4268 static bool sge_intr_handler(struct adapter *adap, int arg, bool verbose)
4269 {
4270 static const struct intr_info sge_int1_info = {
4271 .name = "SGE_INT_CAUSE1",
4272 .cause_reg = A_SGE_INT_CAUSE1,
4273 .enable_reg = A_SGE_INT_ENABLE1,
4274 .fatal = 0xffffffff,
4275 .flags = NONFATAL_IF_DISABLED,
4276 .details = NULL,
4277 .actions = NULL,
4278 };
4279 static const struct intr_info sge_int2_info = {
4280 .name = "SGE_INT_CAUSE2",
4281 .cause_reg = A_SGE_INT_CAUSE2,
4282 .enable_reg = A_SGE_INT_ENABLE2,
4283 .fatal = 0xffffffff,
4284 .flags = NONFATAL_IF_DISABLED,
4285 .details = NULL,
4286 .actions = NULL,
4287 };
4288 static const struct intr_details sge_int3_details[] = {
4289 { F_ERR_FLM_DBP,
4290 "DBP pointer delivery for invalid context or QID" },
4291 { F_ERR_FLM_IDMA1 | F_ERR_FLM_IDMA0,
4292 "Invalid QID or header request by IDMA" },
4293 { F_ERR_FLM_HINT, "FLM hint is for invalid context or QID" },
4294 { F_ERR_PCIE_ERROR3, "SGE PCIe error for DBP thread 3" },
4295 { F_ERR_PCIE_ERROR2, "SGE PCIe error for DBP thread 2" },
4296 { F_ERR_PCIE_ERROR1, "SGE PCIe error for DBP thread 1" },
4297 { F_ERR_PCIE_ERROR0, "SGE PCIe error for DBP thread 0" },
4298 { F_ERR_TIMER_ABOVE_MAX_QID,
4299 "SGE GTS with timer 0-5 for IQID > 1023" },
4300 { F_ERR_CPL_EXCEED_IQE_SIZE,
4301 "SGE received CPL exceeding IQE size" },
4302 { F_ERR_INVALID_CIDX_INC, "SGE GTS CIDX increment too large" },
4303 { F_ERR_ITP_TIME_PAUSED, "SGE ITP error" },
4304 { F_ERR_CPL_OPCODE_0, "SGE received 0-length CPL" },
4305 { F_ERR_DROPPED_DB, "SGE DB dropped" },
4306 { F_ERR_DATA_CPL_ON_HIGH_QID1 | F_ERR_DATA_CPL_ON_HIGH_QID0,
4307 "SGE IQID > 1023 received CPL for FL" },
4308 { F_ERR_BAD_DB_PIDX3 | F_ERR_BAD_DB_PIDX2 | F_ERR_BAD_DB_PIDX1 |
4309 F_ERR_BAD_DB_PIDX0, "SGE DBP pidx increment too large" },
4310 { F_ERR_ING_PCIE_CHAN, "SGE Ingress PCIe channel mismatch" },
4311 { F_ERR_ING_CTXT_PRIO,
4312 "Ingress context manager priority user error" },
4313 { F_ERR_EGR_CTXT_PRIO,
4314 "Egress context manager priority user error" },
4315 { F_DBFIFO_HP_INT, "High priority DB FIFO threshold reached" },
4316 { F_DBFIFO_LP_INT, "Low priority DB FIFO threshold reached" },
4317 { F_REG_ADDRESS_ERR, "Undefined SGE register accessed" },
4318 { F_INGRESS_SIZE_ERR, "SGE illegal ingress QID" },
4319 { F_EGRESS_SIZE_ERR, "SGE illegal egress QID" },
4320 { 0x0000000f, "SGE context access for invalid queue" },
4321 { 0 }
4322 };
4323 static const struct intr_details t6_sge_int3_details[] = {
4324 { F_ERR_FLM_DBP,
4325 "DBP pointer delivery for invalid context or QID" },
4326 { F_ERR_FLM_IDMA1 | F_ERR_FLM_IDMA0,
4327 "Invalid QID or header request by IDMA" },
4328 { F_ERR_FLM_HINT, "FLM hint is for invalid context or QID" },
4329 { F_ERR_PCIE_ERROR3, "SGE PCIe error for DBP thread 3" },
4330 { F_ERR_PCIE_ERROR2, "SGE PCIe error for DBP thread 2" },
4331 { F_ERR_PCIE_ERROR1, "SGE PCIe error for DBP thread 1" },
4332 { F_ERR_PCIE_ERROR0, "SGE PCIe error for DBP thread 0" },
4333 { F_ERR_TIMER_ABOVE_MAX_QID,
4334 "SGE GTS with timer 0-5 for IQID > 1023" },
4335 { F_ERR_CPL_EXCEED_IQE_SIZE,
4336 "SGE received CPL exceeding IQE size" },
4337 { F_ERR_INVALID_CIDX_INC, "SGE GTS CIDX increment too large" },
4338 { F_ERR_ITP_TIME_PAUSED, "SGE ITP error" },
4339 { F_ERR_CPL_OPCODE_0, "SGE received 0-length CPL" },
4340 { F_ERR_DROPPED_DB, "SGE DB dropped" },
4341 { F_ERR_DATA_CPL_ON_HIGH_QID1 | F_ERR_DATA_CPL_ON_HIGH_QID0,
4342 "SGE IQID > 1023 received CPL for FL" },
4343 { F_ERR_BAD_DB_PIDX3 | F_ERR_BAD_DB_PIDX2 | F_ERR_BAD_DB_PIDX1 |
4344 F_ERR_BAD_DB_PIDX0, "SGE DBP pidx increment too large" },
4345 { F_ERR_ING_PCIE_CHAN, "SGE Ingress PCIe channel mismatch" },
4346 { F_ERR_ING_CTXT_PRIO,
4347 "Ingress context manager priority user error" },
4348 { F_ERR_EGR_CTXT_PRIO,
4349 "Egress context manager priority user error" },
4350 { F_DBP_TBUF_FULL, "SGE DBP tbuf full" },
4351 { F_FATAL_WRE_LEN,
4352 "SGE WRE packet less than advertized length" },
4353 { F_REG_ADDRESS_ERR, "Undefined SGE register accessed" },
4354 { F_INGRESS_SIZE_ERR, "SGE illegal ingress QID" },
4355 { F_EGRESS_SIZE_ERR, "SGE illegal egress QID" },
4356 { 0x0000000f, "SGE context access for invalid queue" },
4357 { 0 }
4358 };
4359 struct intr_info sge_int3_info = {
4360 .name = "SGE_INT_CAUSE3",
4361 .cause_reg = A_SGE_INT_CAUSE3,
4362 .enable_reg = A_SGE_INT_ENABLE3,
4363 .fatal = F_ERR_CPL_EXCEED_IQE_SIZE,
4364 .flags = 0,
4365 .details = NULL,
4366 .actions = NULL,
4367 };
4368 static const struct intr_info sge_int4_info = {
4369 .name = "SGE_INT_CAUSE4",
4370 .cause_reg = A_SGE_INT_CAUSE4,
4371 .enable_reg = A_SGE_INT_ENABLE4,
4372 .fatal = 0,
4373 .flags = 0,
4374 .details = NULL,
4375 .actions = NULL,
4376 };
4377 static const struct intr_info sge_int5_info = {
4378 .name = "SGE_INT_CAUSE5",
4379 .cause_reg = A_SGE_INT_CAUSE5,
4380 .enable_reg = A_SGE_INT_ENABLE5,
4381 .fatal = 0xffffffff,
4382 .flags = NONFATAL_IF_DISABLED,
4383 .details = NULL,
4384 .actions = NULL,
4385 };
4386 static const struct intr_info sge_int6_info = {
4387 .name = "SGE_INT_CAUSE6",
4388 .cause_reg = A_SGE_INT_CAUSE6,
4389 .enable_reg = A_SGE_INT_ENABLE6,
4390 .fatal = 0,
4391 .flags = 0,
4392 .details = NULL,
4393 .actions = NULL,
4394 };
4395
4396 bool fatal;
4397 u32 v;
4398
4399 if (chip_id(adap) <= CHELSIO_T5) {
4400 sge_int3_info.details = sge_int3_details;
4401 } else {
4402 sge_int3_info.details = t6_sge_int3_details;
4403 }
4404
4405 fatal = false;
4406 fatal |= t4_handle_intr(adap, &sge_int1_info, 0, verbose);
4407 fatal |= t4_handle_intr(adap, &sge_int2_info, 0, verbose);
4408 fatal |= t4_handle_intr(adap, &sge_int3_info, 0, verbose);
4409 fatal |= t4_handle_intr(adap, &sge_int4_info, 0, verbose);
4410 if (chip_id(adap) >= CHELSIO_T5)
4411 fatal |= t4_handle_intr(adap, &sge_int5_info, 0, verbose);
4412 if (chip_id(adap) >= CHELSIO_T6)
4413 fatal |= t4_handle_intr(adap, &sge_int6_info, 0, verbose);
4414
4415 v = t4_read_reg(adap, A_SGE_ERROR_STATS);
4416 if (v & F_ERROR_QID_VALID) {
4417 CH_ERR(adap, "SGE error for QID %u\n", G_ERROR_QID(v));
4418 if (v & F_UNCAPTURED_ERROR)
4419 CH_ERR(adap, "SGE UNCAPTURED_ERROR set (clearing)\n");
4420 t4_write_reg(adap, A_SGE_ERROR_STATS,
4421 F_ERROR_QID_VALID | F_UNCAPTURED_ERROR);
4422 }
4423
4424 return (fatal);
4425 }
4426
4427 /*
4428 * CIM interrupt handler.
4429 */
cim_intr_handler(struct adapter * adap,int arg,bool verbose)4430 static bool cim_intr_handler(struct adapter *adap, int arg, bool verbose)
4431 {
4432 static const struct intr_action cim_host_intr_actions[] = {
4433 { F_TIMER0INT, 0, t4_os_dump_cimla },
4434 { 0 },
4435 };
4436 static const struct intr_details cim_host_intr_details[] = {
4437 /* T6+ */
4438 { F_PCIE2CIMINTFPARERR, "CIM IBQ PCIe interface parity error" },
4439
4440 /* T5+ */
4441 { F_MA_CIM_INTFPERR, "MA2CIM interface parity error" },
4442 { F_PLCIM_MSTRSPDATAPARERR,
4443 "PL2CIM master response data parity error" },
4444 { F_NCSI2CIMINTFPARERR, "CIM IBQ NC-SI interface parity error" },
4445 { F_SGE2CIMINTFPARERR, "CIM IBQ SGE interface parity error" },
4446 { F_ULP2CIMINTFPARERR, "CIM IBQ ULP_TX interface parity error" },
4447 { F_TP2CIMINTFPARERR, "CIM IBQ TP interface parity error" },
4448 { F_OBQSGERX1PARERR, "CIM OBQ SGE1_RX parity error" },
4449 { F_OBQSGERX0PARERR, "CIM OBQ SGE0_RX parity error" },
4450
4451 /* T4+ */
4452 { F_TIEQOUTPARERRINT, "CIM TIEQ outgoing FIFO parity error" },
4453 { F_TIEQINPARERRINT, "CIM TIEQ incoming FIFO parity error" },
4454 { F_MBHOSTPARERR, "CIM mailbox host read parity error" },
4455 { F_MBUPPARERR, "CIM mailbox uP parity error" },
4456 { F_IBQTP0PARERR, "CIM IBQ TP0 parity error" },
4457 { F_IBQTP1PARERR, "CIM IBQ TP1 parity error" },
4458 { F_IBQULPPARERR, "CIM IBQ ULP parity error" },
4459 { F_IBQSGELOPARERR, "CIM IBQ SGE_LO parity error" },
4460 { F_IBQSGEHIPARERR | F_IBQPCIEPARERR, /* same bit */
4461 "CIM IBQ PCIe/SGE_HI parity error" },
4462 { F_IBQNCSIPARERR, "CIM IBQ NC-SI parity error" },
4463 { F_OBQULP0PARERR, "CIM OBQ ULP0 parity error" },
4464 { F_OBQULP1PARERR, "CIM OBQ ULP1 parity error" },
4465 { F_OBQULP2PARERR, "CIM OBQ ULP2 parity error" },
4466 { F_OBQULP3PARERR, "CIM OBQ ULP3 parity error" },
4467 { F_OBQSGEPARERR, "CIM OBQ SGE parity error" },
4468 { F_OBQNCSIPARERR, "CIM OBQ NC-SI parity error" },
4469 { F_TIMER1INT, "CIM TIMER0 interrupt" },
4470 { F_TIMER0INT, "CIM TIMER0 interrupt" },
4471 { F_PREFDROPINT, "CIM control register prefetch drop" },
4472 { 0}
4473 };
4474 static const struct intr_info cim_host_intr_info = {
4475 .name = "CIM_HOST_INT_CAUSE",
4476 .cause_reg = A_CIM_HOST_INT_CAUSE,
4477 .enable_reg = A_CIM_HOST_INT_ENABLE,
4478 .fatal = 0x007fffe6,
4479 .flags = NONFATAL_IF_DISABLED,
4480 .details = cim_host_intr_details,
4481 .actions = cim_host_intr_actions,
4482 };
4483 static const struct intr_details cim_host_upacc_intr_details[] = {
4484 { F_EEPROMWRINT, "CIM EEPROM came out of busy state" },
4485 { F_TIMEOUTMAINT, "CIM PIF MA timeout" },
4486 { F_TIMEOUTINT, "CIM PIF timeout" },
4487 { F_RSPOVRLOOKUPINT, "CIM response FIFO overwrite" },
4488 { F_REQOVRLOOKUPINT, "CIM request FIFO overwrite" },
4489 { F_BLKWRPLINT, "CIM block write to PL space" },
4490 { F_BLKRDPLINT, "CIM block read from PL space" },
4491 { F_SGLWRPLINT,
4492 "CIM single write to PL space with illegal BEs" },
4493 { F_SGLRDPLINT,
4494 "CIM single read from PL space with illegal BEs" },
4495 { F_BLKWRCTLINT, "CIM block write to CTL space" },
4496 { F_BLKRDCTLINT, "CIM block read from CTL space" },
4497 { F_SGLWRCTLINT,
4498 "CIM single write to CTL space with illegal BEs" },
4499 { F_SGLRDCTLINT,
4500 "CIM single read from CTL space with illegal BEs" },
4501 { F_BLKWREEPROMINT, "CIM block write to EEPROM space" },
4502 { F_BLKRDEEPROMINT, "CIM block read from EEPROM space" },
4503 { F_SGLWREEPROMINT,
4504 "CIM single write to EEPROM space with illegal BEs" },
4505 { F_SGLRDEEPROMINT,
4506 "CIM single read from EEPROM space with illegal BEs" },
4507 { F_BLKWRFLASHINT, "CIM block write to flash space" },
4508 { F_BLKRDFLASHINT, "CIM block read from flash space" },
4509 { F_SGLWRFLASHINT, "CIM single write to flash space" },
4510 { F_SGLRDFLASHINT,
4511 "CIM single read from flash space with illegal BEs" },
4512 { F_BLKWRBOOTINT, "CIM block write to boot space" },
4513 { F_BLKRDBOOTINT, "CIM block read from boot space" },
4514 { F_SGLWRBOOTINT, "CIM single write to boot space" },
4515 { F_SGLRDBOOTINT,
4516 "CIM single read from boot space with illegal BEs" },
4517 { F_ILLWRBEINT, "CIM illegal write BEs" },
4518 { F_ILLRDBEINT, "CIM illegal read BEs" },
4519 { F_ILLRDINT, "CIM illegal read" },
4520 { F_ILLWRINT, "CIM illegal write" },
4521 { F_ILLTRANSINT, "CIM illegal transaction" },
4522 { F_RSVDSPACEINT, "CIM reserved space access" },
4523 {0}
4524 };
4525 static const struct intr_info cim_host_upacc_intr_info = {
4526 .name = "CIM_HOST_UPACC_INT_CAUSE",
4527 .cause_reg = A_CIM_HOST_UPACC_INT_CAUSE,
4528 .enable_reg = A_CIM_HOST_UPACC_INT_ENABLE,
4529 .fatal = 0x3fffeeff,
4530 .flags = NONFATAL_IF_DISABLED,
4531 .details = cim_host_upacc_intr_details,
4532 .actions = NULL,
4533 };
4534 static const struct intr_info cim_pf_host_intr_info = {
4535 .name = "CIM_PF_HOST_INT_CAUSE",
4536 .cause_reg = MYPF_REG(A_CIM_PF_HOST_INT_CAUSE),
4537 .enable_reg = MYPF_REG(A_CIM_PF_HOST_INT_ENABLE),
4538 .fatal = 0,
4539 .flags = 0,
4540 .details = NULL,
4541 .actions = NULL,
4542 };
4543 u32 val, fw_err;
4544 bool fatal;
4545
4546 fw_err = t4_read_reg(adap, A_PCIE_FW);
4547 if (fw_err & F_PCIE_FW_ERR)
4548 t4_report_fw_error(adap);
4549
4550 /*
4551 * When the Firmware detects an internal error which normally wouldn't
4552 * raise a Host Interrupt, it forces a CIM Timer0 interrupt in order
4553 * to make sure the Host sees the Firmware Crash. So if we have a
4554 * Timer0 interrupt and don't see a Firmware Crash, ignore the Timer0
4555 * interrupt.
4556 */
4557 val = t4_read_reg(adap, A_CIM_HOST_INT_CAUSE);
4558 if (val & F_TIMER0INT && (!(fw_err & F_PCIE_FW_ERR) ||
4559 G_PCIE_FW_EVAL(fw_err) != PCIE_FW_EVAL_CRASH)) {
4560 t4_write_reg(adap, A_CIM_HOST_INT_CAUSE, F_TIMER0INT);
4561 }
4562
4563 fatal = false;
4564 fatal |= t4_handle_intr(adap, &cim_host_intr_info, 0, verbose);
4565 fatal |= t4_handle_intr(adap, &cim_host_upacc_intr_info, 0, verbose);
4566 fatal |= t4_handle_intr(adap, &cim_pf_host_intr_info, 0, verbose);
4567
4568 return (fatal);
4569 }
4570
4571 /*
4572 * ULP RX interrupt handler.
4573 */
ulprx_intr_handler(struct adapter * adap,int arg,bool verbose)4574 static bool ulprx_intr_handler(struct adapter *adap, int arg, bool verbose)
4575 {
4576 static const struct intr_details ulprx_intr_details[] = {
4577 /* T5+ */
4578 { F_SE_CNT_MISMATCH_1, "ULPRX SE count mismatch in channel 1" },
4579 { F_SE_CNT_MISMATCH_0, "ULPRX SE count mismatch in channel 0" },
4580
4581 /* T4+ */
4582 { F_CAUSE_CTX_1, "ULPRX channel 1 context error" },
4583 { F_CAUSE_CTX_0, "ULPRX channel 0 context error" },
4584 { 0x007fffff, "ULPRX parity error" },
4585 { 0 }
4586 };
4587 static const struct intr_info ulprx_intr_info = {
4588 .name = "ULP_RX_INT_CAUSE",
4589 .cause_reg = A_ULP_RX_INT_CAUSE,
4590 .enable_reg = A_ULP_RX_INT_ENABLE,
4591 .fatal = 0x07ffffff,
4592 .flags = NONFATAL_IF_DISABLED,
4593 .details = ulprx_intr_details,
4594 .actions = NULL,
4595 };
4596 static const struct intr_info ulprx_intr2_info = {
4597 .name = "ULP_RX_INT_CAUSE_2",
4598 .cause_reg = A_ULP_RX_INT_CAUSE_2,
4599 .enable_reg = A_ULP_RX_INT_ENABLE_2,
4600 .fatal = 0,
4601 .flags = 0,
4602 .details = NULL,
4603 .actions = NULL,
4604 };
4605 bool fatal = false;
4606
4607 fatal |= t4_handle_intr(adap, &ulprx_intr_info, 0, verbose);
4608 fatal |= t4_handle_intr(adap, &ulprx_intr2_info, 0, verbose);
4609
4610 return (fatal);
4611 }
4612
4613 /*
4614 * ULP TX interrupt handler.
4615 */
ulptx_intr_handler(struct adapter * adap,int arg,bool verbose)4616 static bool ulptx_intr_handler(struct adapter *adap, int arg, bool verbose)
4617 {
4618 static const struct intr_details ulptx_intr_details[] = {
4619 { F_PBL_BOUND_ERR_CH3, "ULPTX channel 3 PBL out of bounds" },
4620 { F_PBL_BOUND_ERR_CH2, "ULPTX channel 2 PBL out of bounds" },
4621 { F_PBL_BOUND_ERR_CH1, "ULPTX channel 1 PBL out of bounds" },
4622 { F_PBL_BOUND_ERR_CH0, "ULPTX channel 0 PBL out of bounds" },
4623 { 0x0fffffff, "ULPTX parity error" },
4624 { 0 }
4625 };
4626 static const struct intr_info ulptx_intr_info = {
4627 .name = "ULP_TX_INT_CAUSE",
4628 .cause_reg = A_ULP_TX_INT_CAUSE,
4629 .enable_reg = A_ULP_TX_INT_ENABLE,
4630 .fatal = 0x0fffffff,
4631 .flags = NONFATAL_IF_DISABLED,
4632 .details = ulptx_intr_details,
4633 .actions = NULL,
4634 };
4635 static const struct intr_info ulptx_intr2_info = {
4636 .name = "ULP_TX_INT_CAUSE_2",
4637 .cause_reg = A_ULP_TX_INT_CAUSE_2,
4638 .enable_reg = A_ULP_TX_INT_ENABLE_2,
4639 .fatal = 0xf0,
4640 .flags = NONFATAL_IF_DISABLED,
4641 .details = NULL,
4642 .actions = NULL,
4643 };
4644 bool fatal = false;
4645
4646 fatal |= t4_handle_intr(adap, &ulptx_intr_info, 0, verbose);
4647 fatal |= t4_handle_intr(adap, &ulptx_intr2_info, 0, verbose);
4648
4649 return (fatal);
4650 }
4651
pmtx_dump_dbg_stats(struct adapter * adap,int arg,bool verbose)4652 static bool pmtx_dump_dbg_stats(struct adapter *adap, int arg, bool verbose)
4653 {
4654 int i;
4655 u32 data[17];
4656
4657 t4_read_indirect(adap, A_PM_TX_DBG_CTRL, A_PM_TX_DBG_DATA, &data[0],
4658 ARRAY_SIZE(data), A_PM_TX_DBG_STAT0);
4659 for (i = 0; i < ARRAY_SIZE(data); i++) {
4660 CH_ALERT(adap, " - PM_TX_DBG_STAT%u (0x%x) = 0x%08x\n", i,
4661 A_PM_TX_DBG_STAT0 + i, data[i]);
4662 }
4663
4664 return (false);
4665 }
4666
4667 /*
4668 * PM TX interrupt handler.
4669 */
pmtx_intr_handler(struct adapter * adap,int arg,bool verbose)4670 static bool pmtx_intr_handler(struct adapter *adap, int arg, bool verbose)
4671 {
4672 static const struct intr_action pmtx_intr_actions[] = {
4673 { 0xffffffff, 0, pmtx_dump_dbg_stats },
4674 { 0 },
4675 };
4676 static const struct intr_details pmtx_intr_details[] = {
4677 { F_PCMD_LEN_OVFL0, "PMTX channel 0 pcmd too large" },
4678 { F_PCMD_LEN_OVFL1, "PMTX channel 1 pcmd too large" },
4679 { F_PCMD_LEN_OVFL2, "PMTX channel 2 pcmd too large" },
4680 { F_ZERO_C_CMD_ERROR, "PMTX 0-length pcmd" },
4681 { 0x0f000000, "PMTX icspi FIFO2X Rx framing error" },
4682 { 0x00f00000, "PMTX icspi FIFO Rx framing error" },
4683 { 0x000f0000, "PMTX icspi FIFO Tx framing error" },
4684 { 0x0000f000, "PMTX oespi FIFO Rx framing error" },
4685 { 0x00000f00, "PMTX oespi FIFO Tx framing error" },
4686 { 0x000000f0, "PMTX oespi FIFO2X Tx framing error" },
4687 { F_OESPI_PAR_ERROR, "PMTX oespi parity error" },
4688 { F_DB_OPTIONS_PAR_ERROR, "PMTX db_options parity error" },
4689 { F_ICSPI_PAR_ERROR, "PMTX icspi parity error" },
4690 { F_C_PCMD_PAR_ERROR, "PMTX c_pcmd parity error" },
4691 { 0 }
4692 };
4693 static const struct intr_info pmtx_intr_info = {
4694 .name = "PM_TX_INT_CAUSE",
4695 .cause_reg = A_PM_TX_INT_CAUSE,
4696 .enable_reg = A_PM_TX_INT_ENABLE,
4697 .fatal = 0xffffffff,
4698 .flags = 0,
4699 .details = pmtx_intr_details,
4700 .actions = pmtx_intr_actions,
4701 };
4702
4703 return (t4_handle_intr(adap, &pmtx_intr_info, 0, verbose));
4704 }
4705
4706 /*
4707 * PM RX interrupt handler.
4708 */
pmrx_intr_handler(struct adapter * adap,int arg,bool verbose)4709 static bool pmrx_intr_handler(struct adapter *adap, int arg, bool verbose)
4710 {
4711 static const struct intr_details pmrx_intr_details[] = {
4712 /* T6+ */
4713 { 0x18000000, "PMRX ospi overflow" },
4714 { F_MA_INTF_SDC_ERR, "PMRX MA interface SDC parity error" },
4715 { F_BUNDLE_LEN_PARERR, "PMRX bundle len FIFO parity error" },
4716 { F_BUNDLE_LEN_OVFL, "PMRX bundle len FIFO overflow" },
4717 { F_SDC_ERR, "PMRX SDC error" },
4718
4719 /* T4+ */
4720 { F_ZERO_E_CMD_ERROR, "PMRX 0-length pcmd" },
4721 { 0x003c0000, "PMRX iespi FIFO2X Rx framing error" },
4722 { 0x0003c000, "PMRX iespi Rx framing error" },
4723 { 0x00003c00, "PMRX iespi Tx framing error" },
4724 { 0x00000300, "PMRX ocspi Rx framing error" },
4725 { 0x000000c0, "PMRX ocspi Tx framing error" },
4726 { 0x00000030, "PMRX ocspi FIFO2X Tx framing error" },
4727 { F_OCSPI_PAR_ERROR, "PMRX ocspi parity error" },
4728 { F_DB_OPTIONS_PAR_ERROR, "PMRX db_options parity error" },
4729 { F_IESPI_PAR_ERROR, "PMRX iespi parity error" },
4730 { F_E_PCMD_PAR_ERROR, "PMRX e_pcmd parity error"},
4731 { 0 }
4732 };
4733 static const struct intr_info pmrx_intr_info = {
4734 .name = "PM_RX_INT_CAUSE",
4735 .cause_reg = A_PM_RX_INT_CAUSE,
4736 .enable_reg = A_PM_RX_INT_ENABLE,
4737 .fatal = 0x1fffffff,
4738 .flags = NONFATAL_IF_DISABLED,
4739 .details = pmrx_intr_details,
4740 .actions = NULL,
4741 };
4742
4743 return (t4_handle_intr(adap, &pmrx_intr_info, 0, verbose));
4744 }
4745
4746 /*
4747 * CPL switch interrupt handler.
4748 */
cplsw_intr_handler(struct adapter * adap,int arg,bool verbose)4749 static bool cplsw_intr_handler(struct adapter *adap, int arg, bool verbose)
4750 {
4751 static const struct intr_details cplsw_intr_details[] = {
4752 /* T5+ */
4753 { F_PERR_CPL_128TO128_1, "CPLSW 128TO128 FIFO1 parity error" },
4754 { F_PERR_CPL_128TO128_0, "CPLSW 128TO128 FIFO0 parity error" },
4755
4756 /* T4+ */
4757 { F_CIM_OP_MAP_PERR, "CPLSW CIM op_map parity error" },
4758 { F_CIM_OVFL_ERROR, "CPLSW CIM overflow" },
4759 { F_TP_FRAMING_ERROR, "CPLSW TP framing error" },
4760 { F_SGE_FRAMING_ERROR, "CPLSW SGE framing error" },
4761 { F_CIM_FRAMING_ERROR, "CPLSW CIM framing error" },
4762 { F_ZERO_SWITCH_ERROR, "CPLSW no-switch error" },
4763 { 0 }
4764 };
4765 static const struct intr_info cplsw_intr_info = {
4766 .name = "CPL_INTR_CAUSE",
4767 .cause_reg = A_CPL_INTR_CAUSE,
4768 .enable_reg = A_CPL_INTR_ENABLE,
4769 .fatal = 0xff,
4770 .flags = NONFATAL_IF_DISABLED,
4771 .details = cplsw_intr_details,
4772 .actions = NULL,
4773 };
4774
4775 return (t4_handle_intr(adap, &cplsw_intr_info, 0, verbose));
4776 }
4777
4778 #define T4_LE_FATAL_MASK (F_PARITYERR | F_UNKNOWNCMD | F_REQQPARERR)
4779 #define T5_LE_FATAL_MASK (T4_LE_FATAL_MASK | F_VFPARERR)
4780 #define T6_LE_PERRCRC_MASK (F_PIPELINEERR | F_CLIPTCAMACCFAIL | \
4781 F_SRVSRAMACCFAIL | F_CLCAMCRCPARERR | F_CLCAMINTPERR | F_SSRAMINTPERR | \
4782 F_SRVSRAMPERR | F_VFSRAMPERR | F_TCAMINTPERR | F_TCAMCRCERR | \
4783 F_HASHTBLMEMACCERR | F_MAIFWRINTPERR | F_HASHTBLMEMCRCERR)
4784 #define T6_LE_FATAL_MASK (T6_LE_PERRCRC_MASK | F_T6_UNKNOWNCMD | \
4785 F_TCAMACCFAIL | F_HASHTBLACCFAIL | F_CMDTIDERR | F_CMDPRSRINTERR | \
4786 F_TOTCNTERR | F_CLCAMFIFOERR | F_CLIPSUBERR)
4787
4788 /*
4789 * LE interrupt handler.
4790 */
le_intr_handler(struct adapter * adap,int arg,bool verbose)4791 static bool le_intr_handler(struct adapter *adap, int arg, bool verbose)
4792 {
4793 static const struct intr_details le_intr_details[] = {
4794 { F_REQQPARERR, "LE request queue parity error" },
4795 { F_UNKNOWNCMD, "LE unknown command" },
4796 { F_ACTRGNFULL, "LE active region full" },
4797 { F_PARITYERR, "LE parity error" },
4798 { F_LIPMISS, "LE LIP miss" },
4799 { F_LIP0, "LE 0 LIP error" },
4800 { 0 }
4801 };
4802 static const struct intr_details t6_le_intr_details[] = {
4803 { F_CLIPSUBERR, "LE CLIP CAM reverse substitution error" },
4804 { F_CLCAMFIFOERR, "LE CLIP CAM internal FIFO error" },
4805 { F_CTCAMINVLDENT, "Invalid IPv6 CLIP TCAM entry" },
4806 { F_TCAMINVLDENT, "Invalid IPv6 TCAM entry" },
4807 { F_TOTCNTERR, "LE total active < TCAM count" },
4808 { F_CMDPRSRINTERR, "LE internal error in parser" },
4809 { F_CMDTIDERR, "Incorrect tid in LE command" },
4810 { F_T6_ACTRGNFULL, "LE active region full" },
4811 { F_T6_ACTCNTIPV6TZERO, "LE IPv6 active open TCAM counter -ve" },
4812 { F_T6_ACTCNTIPV4TZERO, "LE IPv4 active open TCAM counter -ve" },
4813 { F_T6_ACTCNTIPV6ZERO, "LE IPv6 active open counter -ve" },
4814 { F_T6_ACTCNTIPV4ZERO, "LE IPv4 active open counter -ve" },
4815 { F_HASHTBLACCFAIL, "Hash table read error (proto conflict)" },
4816 { F_TCAMACCFAIL, "LE TCAM access failure" },
4817 { F_T6_UNKNOWNCMD, "LE unknown command" },
4818 { F_T6_LIP0, "LE found 0 LIP during CLIP substitution" },
4819 { F_T6_LIPMISS, "LE CLIP lookup miss" },
4820 { T6_LE_PERRCRC_MASK, "LE parity/CRC error" },
4821 { 0 }
4822 };
4823 struct intr_info le_intr_info = {
4824 .name = "LE_DB_INT_CAUSE",
4825 .cause_reg = A_LE_DB_INT_CAUSE,
4826 .enable_reg = A_LE_DB_INT_ENABLE,
4827 .fatal = 0,
4828 .flags = NONFATAL_IF_DISABLED,
4829 .details = NULL,
4830 .actions = NULL,
4831 };
4832
4833 if (chip_id(adap) <= CHELSIO_T5) {
4834 le_intr_info.details = le_intr_details;
4835 le_intr_info.fatal = T5_LE_FATAL_MASK;
4836 } else {
4837 le_intr_info.details = t6_le_intr_details;
4838 le_intr_info.fatal = T6_LE_FATAL_MASK;
4839 }
4840
4841 return (t4_handle_intr(adap, &le_intr_info, 0, verbose));
4842 }
4843
4844 /*
4845 * MPS interrupt handler.
4846 */
mps_intr_handler(struct adapter * adap,int arg,bool verbose)4847 static bool mps_intr_handler(struct adapter *adap, int arg, bool verbose)
4848 {
4849 static const struct intr_details mps_rx_perr_intr_details[] = {
4850 { 0xffffffff, "MPS Rx parity error" },
4851 { 0 }
4852 };
4853 static const struct intr_info mps_rx_perr_intr_info = {
4854 .name = "MPS_RX_PERR_INT_CAUSE",
4855 .cause_reg = A_MPS_RX_PERR_INT_CAUSE,
4856 .enable_reg = A_MPS_RX_PERR_INT_ENABLE,
4857 .fatal = 0xffffffff,
4858 .flags = NONFATAL_IF_DISABLED,
4859 .details = mps_rx_perr_intr_details,
4860 .actions = NULL,
4861 };
4862 static const struct intr_details mps_tx_intr_details[] = {
4863 { F_PORTERR, "MPS Tx destination port is disabled" },
4864 { F_FRMERR, "MPS Tx framing error" },
4865 { F_SECNTERR, "MPS Tx SOP/EOP error" },
4866 { F_BUBBLE, "MPS Tx underflow" },
4867 { V_TXDESCFIFO(M_TXDESCFIFO), "MPS Tx desc FIFO parity error" },
4868 { V_TXDATAFIFO(M_TXDATAFIFO), "MPS Tx data FIFO parity error" },
4869 { F_NCSIFIFO, "MPS Tx NC-SI FIFO parity error" },
4870 { V_TPFIFO(M_TPFIFO), "MPS Tx TP FIFO parity error" },
4871 { 0 }
4872 };
4873 static const struct intr_info mps_tx_intr_info = {
4874 .name = "MPS_TX_INT_CAUSE",
4875 .cause_reg = A_MPS_TX_INT_CAUSE,
4876 .enable_reg = A_MPS_TX_INT_ENABLE,
4877 .fatal = 0x1ffff,
4878 .flags = NONFATAL_IF_DISABLED,
4879 .details = mps_tx_intr_details,
4880 .actions = NULL,
4881 };
4882 static const struct intr_details mps_trc_intr_details[] = {
4883 { F_MISCPERR, "MPS TRC misc parity error" },
4884 { V_PKTFIFO(M_PKTFIFO), "MPS TRC packet FIFO parity error" },
4885 { V_FILTMEM(M_FILTMEM), "MPS TRC filter parity error" },
4886 { 0 }
4887 };
4888 static const struct intr_info mps_trc_intr_info = {
4889 .name = "MPS_TRC_INT_CAUSE",
4890 .cause_reg = A_MPS_TRC_INT_CAUSE,
4891 .enable_reg = A_MPS_TRC_INT_ENABLE,
4892 .fatal = F_MISCPERR | V_PKTFIFO(M_PKTFIFO) | V_FILTMEM(M_FILTMEM),
4893 .flags = 0,
4894 .details = mps_trc_intr_details,
4895 .actions = NULL,
4896 };
4897 static const struct intr_details mps_stat_sram_intr_details[] = {
4898 { 0xffffffff, "MPS statistics SRAM parity error" },
4899 { 0 }
4900 };
4901 static const struct intr_info mps_stat_sram_intr_info = {
4902 .name = "MPS_STAT_PERR_INT_CAUSE_SRAM",
4903 .cause_reg = A_MPS_STAT_PERR_INT_CAUSE_SRAM,
4904 .enable_reg = A_MPS_STAT_PERR_INT_ENABLE_SRAM,
4905 .fatal = 0x1fffffff,
4906 .flags = NONFATAL_IF_DISABLED,
4907 .details = mps_stat_sram_intr_details,
4908 .actions = NULL,
4909 };
4910 static const struct intr_details mps_stat_tx_intr_details[] = {
4911 { 0xffffff, "MPS statistics Tx FIFO parity error" },
4912 { 0 }
4913 };
4914 static const struct intr_info mps_stat_tx_intr_info = {
4915 .name = "MPS_STAT_PERR_INT_CAUSE_TX_FIFO",
4916 .cause_reg = A_MPS_STAT_PERR_INT_CAUSE_TX_FIFO,
4917 .enable_reg = A_MPS_STAT_PERR_INT_ENABLE_TX_FIFO,
4918 .fatal = 0xffffff,
4919 .flags = NONFATAL_IF_DISABLED,
4920 .details = mps_stat_tx_intr_details,
4921 .actions = NULL,
4922 };
4923 static const struct intr_details mps_stat_rx_intr_details[] = {
4924 { 0xffffff, "MPS statistics Rx FIFO parity error" },
4925 { 0 }
4926 };
4927 static const struct intr_info mps_stat_rx_intr_info = {
4928 .name = "MPS_STAT_PERR_INT_CAUSE_RX_FIFO",
4929 .cause_reg = A_MPS_STAT_PERR_INT_CAUSE_RX_FIFO,
4930 .enable_reg = A_MPS_STAT_PERR_INT_ENABLE_RX_FIFO,
4931 .fatal = 0xffffff,
4932 .flags = 0,
4933 .details = mps_stat_rx_intr_details,
4934 .actions = NULL,
4935 };
4936 static const struct intr_details mps_cls_intr_details[] = {
4937 { F_HASHSRAM, "MPS hash SRAM parity error" },
4938 { F_MATCHTCAM, "MPS match TCAM parity error" },
4939 { F_MATCHSRAM, "MPS match SRAM parity error" },
4940 { 0 }
4941 };
4942 static const struct intr_info mps_cls_intr_info = {
4943 .name = "MPS_CLS_INT_CAUSE",
4944 .cause_reg = A_MPS_CLS_INT_CAUSE,
4945 .enable_reg = A_MPS_CLS_INT_ENABLE,
4946 .fatal = F_MATCHSRAM | F_MATCHTCAM | F_HASHSRAM,
4947 .flags = 0,
4948 .details = mps_cls_intr_details,
4949 .actions = NULL,
4950 };
4951 static const struct intr_details mps_stat_sram1_intr_details[] = {
4952 { 0xff, "MPS statistics SRAM1 parity error" },
4953 { 0 }
4954 };
4955 static const struct intr_info mps_stat_sram1_intr_info = {
4956 .name = "MPS_STAT_PERR_INT_CAUSE_SRAM1",
4957 .cause_reg = A_MPS_STAT_PERR_INT_CAUSE_SRAM1,
4958 .enable_reg = A_MPS_STAT_PERR_INT_ENABLE_SRAM1,
4959 .fatal = 0xff,
4960 .flags = 0,
4961 .details = mps_stat_sram1_intr_details,
4962 .actions = NULL,
4963 };
4964
4965 bool fatal;
4966
4967 fatal = false;
4968 fatal |= t4_handle_intr(adap, &mps_rx_perr_intr_info, 0, verbose);
4969 fatal |= t4_handle_intr(adap, &mps_tx_intr_info, 0, verbose);
4970 fatal |= t4_handle_intr(adap, &mps_trc_intr_info, 0, verbose);
4971 fatal |= t4_handle_intr(adap, &mps_stat_sram_intr_info, 0, verbose);
4972 fatal |= t4_handle_intr(adap, &mps_stat_tx_intr_info, 0, verbose);
4973 fatal |= t4_handle_intr(adap, &mps_stat_rx_intr_info, 0, verbose);
4974 fatal |= t4_handle_intr(adap, &mps_cls_intr_info, 0, verbose);
4975 if (chip_id(adap) > CHELSIO_T4) {
4976 fatal |= t4_handle_intr(adap, &mps_stat_sram1_intr_info, 0,
4977 verbose);
4978 }
4979
4980 t4_write_reg(adap, A_MPS_INT_CAUSE, is_t4(adap) ? 0 : 0xffffffff);
4981 t4_read_reg(adap, A_MPS_INT_CAUSE); /* flush */
4982
4983 return (fatal);
4984
4985 }
4986
4987 /*
4988 * EDC/MC interrupt handler.
4989 */
mem_intr_handler(struct adapter * adap,int idx,bool verbose)4990 static bool mem_intr_handler(struct adapter *adap, int idx, bool verbose)
4991 {
4992 static const char name[4][5] = { "EDC0", "EDC1", "MC0", "MC1" };
4993 unsigned int count_reg, v;
4994 static const struct intr_details mem_intr_details[] = {
4995 { F_ECC_UE_INT_CAUSE, "Uncorrectable ECC data error(s)" },
4996 { F_ECC_CE_INT_CAUSE, "Correctable ECC data error(s)" },
4997 { F_PERR_INT_CAUSE, "FIFO parity error" },
4998 { 0 }
4999 };
5000 struct intr_info ii = {
5001 .fatal = F_PERR_INT_CAUSE | F_ECC_UE_INT_CAUSE,
5002 .details = mem_intr_details,
5003 .flags = 0,
5004 .actions = NULL,
5005 };
5006 bool fatal;
5007
5008 switch (idx) {
5009 case MEM_EDC0:
5010 ii.name = "EDC0_INT_CAUSE";
5011 ii.cause_reg = EDC_REG(A_EDC_INT_CAUSE, 0);
5012 ii.enable_reg = EDC_REG(A_EDC_INT_ENABLE, 0);
5013 count_reg = EDC_REG(A_EDC_ECC_STATUS, 0);
5014 break;
5015 case MEM_EDC1:
5016 ii.name = "EDC1_INT_CAUSE";
5017 ii.cause_reg = EDC_REG(A_EDC_INT_CAUSE, 1);
5018 ii.enable_reg = EDC_REG(A_EDC_INT_ENABLE, 1);
5019 count_reg = EDC_REG(A_EDC_ECC_STATUS, 1);
5020 break;
5021 case MEM_MC0:
5022 ii.name = "MC0_INT_CAUSE";
5023 if (is_t4(adap)) {
5024 ii.cause_reg = A_MC_INT_CAUSE;
5025 ii.enable_reg = A_MC_INT_ENABLE;
5026 count_reg = A_MC_ECC_STATUS;
5027 } else {
5028 ii.cause_reg = A_MC_P_INT_CAUSE;
5029 ii.enable_reg = A_MC_P_INT_ENABLE;
5030 count_reg = A_MC_P_ECC_STATUS;
5031 }
5032 break;
5033 case MEM_MC1:
5034 ii.name = "MC1_INT_CAUSE";
5035 ii.cause_reg = MC_REG(A_MC_P_INT_CAUSE, 1);
5036 ii.enable_reg = MC_REG(A_MC_P_INT_ENABLE, 1);
5037 count_reg = MC_REG(A_MC_P_ECC_STATUS, 1);
5038 break;
5039 }
5040
5041 fatal = t4_handle_intr(adap, &ii, 0, verbose);
5042
5043 v = t4_read_reg(adap, count_reg);
5044 if (v != 0) {
5045 if (G_ECC_UECNT(v) != 0) {
5046 CH_ALERT(adap,
5047 "%s: %u uncorrectable ECC data error(s)\n",
5048 name[idx], G_ECC_UECNT(v));
5049 }
5050 if (G_ECC_CECNT(v) != 0) {
5051 if (idx <= MEM_EDC1)
5052 t4_edc_err_read(adap, idx);
5053 CH_WARN_RATELIMIT(adap,
5054 "%s: %u correctable ECC data error(s)\n",
5055 name[idx], G_ECC_CECNT(v));
5056 }
5057 t4_write_reg(adap, count_reg, 0xffffffff);
5058 }
5059
5060 return (fatal);
5061 }
5062
ma_wrap_status(struct adapter * adap,int arg,bool verbose)5063 static bool ma_wrap_status(struct adapter *adap, int arg, bool verbose)
5064 {
5065 u32 v;
5066
5067 v = t4_read_reg(adap, A_MA_INT_WRAP_STATUS);
5068 CH_ALERT(adap,
5069 "MA address wrap-around error by client %u to address %#x\n",
5070 G_MEM_WRAP_CLIENT_NUM(v), G_MEM_WRAP_ADDRESS(v) << 4);
5071 t4_write_reg(adap, A_MA_INT_WRAP_STATUS, v);
5072
5073 return (false);
5074 }
5075
5076
5077 /*
5078 * MA interrupt handler.
5079 */
ma_intr_handler(struct adapter * adap,int arg,bool verbose)5080 static bool ma_intr_handler(struct adapter *adap, int arg, bool verbose)
5081 {
5082 static const struct intr_action ma_intr_actions[] = {
5083 { F_MEM_WRAP_INT_CAUSE, 0, ma_wrap_status },
5084 { 0 },
5085 };
5086 static const struct intr_info ma_intr_info = {
5087 .name = "MA_INT_CAUSE",
5088 .cause_reg = A_MA_INT_CAUSE,
5089 .enable_reg = A_MA_INT_ENABLE,
5090 .fatal = F_MEM_PERR_INT_CAUSE | F_MEM_TO_INT_CAUSE,
5091 .flags = NONFATAL_IF_DISABLED,
5092 .details = NULL,
5093 .actions = ma_intr_actions,
5094 };
5095 static const struct intr_info ma_perr_status1 = {
5096 .name = "MA_PARITY_ERROR_STATUS1",
5097 .cause_reg = A_MA_PARITY_ERROR_STATUS1,
5098 .enable_reg = A_MA_PARITY_ERROR_ENABLE1,
5099 .fatal = 0xffffffff,
5100 .flags = 0,
5101 .details = NULL,
5102 .actions = NULL,
5103 };
5104 static const struct intr_info ma_perr_status2 = {
5105 .name = "MA_PARITY_ERROR_STATUS2",
5106 .cause_reg = A_MA_PARITY_ERROR_STATUS2,
5107 .enable_reg = A_MA_PARITY_ERROR_ENABLE2,
5108 .fatal = 0xffffffff,
5109 .flags = 0,
5110 .details = NULL,
5111 .actions = NULL,
5112 };
5113 bool fatal;
5114
5115 fatal = false;
5116 fatal |= t4_handle_intr(adap, &ma_intr_info, 0, verbose);
5117 fatal |= t4_handle_intr(adap, &ma_perr_status1, 0, verbose);
5118 if (chip_id(adap) > CHELSIO_T4)
5119 fatal |= t4_handle_intr(adap, &ma_perr_status2, 0, verbose);
5120
5121 return (fatal);
5122 }
5123
5124 /*
5125 * SMB interrupt handler.
5126 */
smb_intr_handler(struct adapter * adap,int arg,bool verbose)5127 static bool smb_intr_handler(struct adapter *adap, int arg, bool verbose)
5128 {
5129 static const struct intr_details smb_intr_details[] = {
5130 { F_MSTTXFIFOPARINT, "SMB master Tx FIFO parity error" },
5131 { F_MSTRXFIFOPARINT, "SMB master Rx FIFO parity error" },
5132 { F_SLVFIFOPARINT, "SMB slave FIFO parity error" },
5133 { 0 }
5134 };
5135 static const struct intr_info smb_intr_info = {
5136 .name = "SMB_INT_CAUSE",
5137 .cause_reg = A_SMB_INT_CAUSE,
5138 .enable_reg = A_SMB_INT_ENABLE,
5139 .fatal = F_SLVFIFOPARINT | F_MSTRXFIFOPARINT | F_MSTTXFIFOPARINT,
5140 .flags = 0,
5141 .details = smb_intr_details,
5142 .actions = NULL,
5143 };
5144
5145 return (t4_handle_intr(adap, &smb_intr_info, 0, verbose));
5146 }
5147
5148 /*
5149 * NC-SI interrupt handler.
5150 */
ncsi_intr_handler(struct adapter * adap,int arg,bool verbose)5151 static bool ncsi_intr_handler(struct adapter *adap, int arg, bool verbose)
5152 {
5153 static const struct intr_details ncsi_intr_details[] = {
5154 { F_CIM_DM_PRTY_ERR, "NC-SI CIM parity error" },
5155 { F_MPS_DM_PRTY_ERR, "NC-SI MPS parity error" },
5156 { F_TXFIFO_PRTY_ERR, "NC-SI Tx FIFO parity error" },
5157 { F_RXFIFO_PRTY_ERR, "NC-SI Rx FIFO parity error" },
5158 { 0 }
5159 };
5160 static const struct intr_info ncsi_intr_info = {
5161 .name = "NCSI_INT_CAUSE",
5162 .cause_reg = A_NCSI_INT_CAUSE,
5163 .enable_reg = A_NCSI_INT_ENABLE,
5164 .fatal = F_RXFIFO_PRTY_ERR | F_TXFIFO_PRTY_ERR |
5165 F_MPS_DM_PRTY_ERR | F_CIM_DM_PRTY_ERR,
5166 .flags = 0,
5167 .details = ncsi_intr_details,
5168 .actions = NULL,
5169 };
5170
5171 return (t4_handle_intr(adap, &ncsi_intr_info, 0, verbose));
5172 }
5173
5174 /*
5175 * MAC interrupt handler.
5176 */
mac_intr_handler(struct adapter * adap,int port,bool verbose)5177 static bool mac_intr_handler(struct adapter *adap, int port, bool verbose)
5178 {
5179 static const struct intr_details mac_intr_details[] = {
5180 { F_TXFIFO_PRTY_ERR, "MAC Tx FIFO parity error" },
5181 { F_RXFIFO_PRTY_ERR, "MAC Rx FIFO parity error" },
5182 { 0 }
5183 };
5184 char name[32];
5185 struct intr_info ii;
5186 bool fatal = false;
5187
5188 if (is_t4(adap)) {
5189 snprintf(name, sizeof(name), "XGMAC_PORT%u_INT_CAUSE", port);
5190 ii.name = &name[0];
5191 ii.cause_reg = PORT_REG(port, A_XGMAC_PORT_INT_CAUSE);
5192 ii.enable_reg = PORT_REG(port, A_XGMAC_PORT_INT_EN);
5193 ii.fatal = F_TXFIFO_PRTY_ERR | F_RXFIFO_PRTY_ERR;
5194 ii.flags = 0;
5195 ii.details = mac_intr_details;
5196 ii.actions = NULL;
5197 } else {
5198 snprintf(name, sizeof(name), "MAC_PORT%u_INT_CAUSE", port);
5199 ii.name = &name[0];
5200 ii.cause_reg = T5_PORT_REG(port, A_MAC_PORT_INT_CAUSE);
5201 ii.enable_reg = T5_PORT_REG(port, A_MAC_PORT_INT_EN);
5202 ii.fatal = F_TXFIFO_PRTY_ERR | F_RXFIFO_PRTY_ERR;
5203 ii.flags = 0;
5204 ii.details = mac_intr_details;
5205 ii.actions = NULL;
5206 }
5207 fatal |= t4_handle_intr(adap, &ii, 0, verbose);
5208
5209 if (chip_id(adap) >= CHELSIO_T5) {
5210 snprintf(name, sizeof(name), "MAC_PORT%u_PERR_INT_CAUSE", port);
5211 ii.name = &name[0];
5212 ii.cause_reg = T5_PORT_REG(port, A_MAC_PORT_PERR_INT_CAUSE);
5213 ii.enable_reg = T5_PORT_REG(port, A_MAC_PORT_PERR_INT_EN);
5214 ii.fatal = 0;
5215 ii.flags = 0;
5216 ii.details = NULL;
5217 ii.actions = NULL;
5218 fatal |= t4_handle_intr(adap, &ii, 0, verbose);
5219 }
5220
5221 if (chip_id(adap) >= CHELSIO_T6) {
5222 snprintf(name, sizeof(name), "MAC_PORT%u_PERR_INT_CAUSE_100G", port);
5223 ii.name = &name[0];
5224 ii.cause_reg = T5_PORT_REG(port, A_MAC_PORT_PERR_INT_CAUSE_100G);
5225 ii.enable_reg = T5_PORT_REG(port, A_MAC_PORT_PERR_INT_EN_100G);
5226 ii.fatal = 0;
5227 ii.flags = 0;
5228 ii.details = NULL;
5229 ii.actions = NULL;
5230 fatal |= t4_handle_intr(adap, &ii, 0, verbose);
5231 }
5232
5233 return (fatal);
5234 }
5235
plpl_intr_handler(struct adapter * adap,int arg,bool verbose)5236 static bool plpl_intr_handler(struct adapter *adap, int arg, bool verbose)
5237 {
5238 static const struct intr_details plpl_intr_details[] = {
5239 { F_FATALPERR, "Fatal parity error" },
5240 { F_PERRVFID, "VFID_MAP parity error" },
5241 { 0 }
5242 };
5243 static const struct intr_info plpl_intr_info = {
5244 .name = "PL_PL_INT_CAUSE",
5245 .cause_reg = A_PL_PL_INT_CAUSE,
5246 .enable_reg = A_PL_PL_INT_ENABLE,
5247 .fatal = F_FATALPERR | F_PERRVFID,
5248 .flags = NONFATAL_IF_DISABLED,
5249 .details = plpl_intr_details,
5250 .actions = NULL,
5251 };
5252
5253 return (t4_handle_intr(adap, &plpl_intr_info, 0, verbose));
5254 }
5255
5256 /**
5257 * t4_slow_intr_handler - control path interrupt handler
5258 * @adap: the adapter
5259 * @verbose: increased verbosity, for debug
5260 *
5261 * T4 interrupt handler for non-data global interrupt events, e.g., errors.
5262 * The designation 'slow' is because it involves register reads, while
5263 * data interrupts typically don't involve any MMIOs.
5264 */
t4_slow_intr_handler(struct adapter * adap,bool verbose)5265 int t4_slow_intr_handler(struct adapter *adap, bool verbose)
5266 {
5267 static const struct intr_details pl_intr_details[] = {
5268 { F_MC1, "MC1" },
5269 { F_UART, "UART" },
5270 { F_ULP_TX, "ULP TX" },
5271 { F_SGE, "SGE" },
5272 { F_HMA, "HMA" },
5273 { F_CPL_SWITCH, "CPL Switch" },
5274 { F_ULP_RX, "ULP RX" },
5275 { F_PM_RX, "PM RX" },
5276 { F_PM_TX, "PM TX" },
5277 { F_MA, "MA" },
5278 { F_TP, "TP" },
5279 { F_LE, "LE" },
5280 { F_EDC1, "EDC1" },
5281 { F_EDC0, "EDC0" },
5282 { F_MC, "MC0" },
5283 { F_PCIE, "PCIE" },
5284 { F_PMU, "PMU" },
5285 { F_MAC3, "MAC3" },
5286 { F_MAC2, "MAC2" },
5287 { F_MAC1, "MAC1" },
5288 { F_MAC0, "MAC0" },
5289 { F_SMB, "SMB" },
5290 { F_SF, "SF" },
5291 { F_PL, "PL" },
5292 { F_NCSI, "NC-SI" },
5293 { F_MPS, "MPS" },
5294 { F_MI, "MI" },
5295 { F_DBG, "DBG" },
5296 { F_I2CM, "I2CM" },
5297 { F_CIM, "CIM" },
5298 { 0 }
5299 };
5300 static const struct intr_info pl_perr_cause = {
5301 .name = "PL_PERR_CAUSE",
5302 .cause_reg = A_PL_PERR_CAUSE,
5303 .enable_reg = A_PL_PERR_ENABLE,
5304 .fatal = 0xffffffff,
5305 .flags = 0,
5306 .details = pl_intr_details,
5307 .actions = NULL,
5308 };
5309 static const struct intr_action pl_intr_action[] = {
5310 { F_MC1, MEM_MC1, mem_intr_handler },
5311 { F_ULP_TX, -1, ulptx_intr_handler },
5312 { F_SGE, -1, sge_intr_handler },
5313 { F_CPL_SWITCH, -1, cplsw_intr_handler },
5314 { F_ULP_RX, -1, ulprx_intr_handler },
5315 { F_PM_RX, -1, pmrx_intr_handler},
5316 { F_PM_TX, -1, pmtx_intr_handler},
5317 { F_MA, -1, ma_intr_handler },
5318 { F_TP, -1, tp_intr_handler },
5319 { F_LE, -1, le_intr_handler },
5320 { F_EDC1, MEM_EDC1, mem_intr_handler },
5321 { F_EDC0, MEM_EDC0, mem_intr_handler },
5322 { F_MC0, MEM_MC0, mem_intr_handler },
5323 { F_PCIE, -1, pcie_intr_handler },
5324 { F_MAC3, 3, mac_intr_handler},
5325 { F_MAC2, 2, mac_intr_handler},
5326 { F_MAC1, 1, mac_intr_handler},
5327 { F_MAC0, 0, mac_intr_handler},
5328 { F_SMB, -1, smb_intr_handler},
5329 { F_PL, -1, plpl_intr_handler },
5330 { F_NCSI, -1, ncsi_intr_handler},
5331 { F_MPS, -1, mps_intr_handler },
5332 { F_CIM, -1, cim_intr_handler },
5333 { 0 }
5334 };
5335 static const struct intr_info pl_intr_info = {
5336 .name = "PL_INT_CAUSE",
5337 .cause_reg = A_PL_INT_CAUSE,
5338 .enable_reg = A_PL_INT_ENABLE,
5339 .fatal = 0,
5340 .flags = 0,
5341 .details = pl_intr_details,
5342 .actions = pl_intr_action,
5343 };
5344 bool fatal;
5345 u32 perr;
5346
5347 perr = t4_read_reg(adap, pl_perr_cause.cause_reg);
5348 if (verbose || perr != 0) {
5349 t4_show_intr_info(adap, &pl_perr_cause, perr);
5350 if (perr != 0)
5351 t4_write_reg(adap, pl_perr_cause.cause_reg, perr);
5352 if (verbose)
5353 perr |= t4_read_reg(adap, pl_intr_info.enable_reg);
5354 }
5355 fatal = t4_handle_intr(adap, &pl_intr_info, perr, verbose);
5356 if (fatal)
5357 t4_fatal_err(adap, false);
5358
5359 return (0);
5360 }
5361
5362 #define PF_INTR_MASK (F_PFSW | F_PFCIM)
5363
5364 /**
5365 * t4_intr_enable - enable interrupts
5366 * @adapter: the adapter whose interrupts should be enabled
5367 *
5368 * Enable PF-specific interrupts for the calling function and the top-level
5369 * interrupt concentrator for global interrupts. Interrupts are already
5370 * enabled at each module, here we just enable the roots of the interrupt
5371 * hierarchies.
5372 *
5373 * Note: this function should be called only when the driver manages
5374 * non PF-specific interrupts from the various HW modules. Only one PCI
5375 * function at a time should be doing this.
5376 */
t4_intr_enable(struct adapter * adap)5377 void t4_intr_enable(struct adapter *adap)
5378 {
5379 u32 val = 0;
5380
5381 if (chip_id(adap) <= CHELSIO_T5)
5382 val = F_ERR_DROPPED_DB | F_ERR_EGR_CTXT_PRIO | F_DBFIFO_HP_INT;
5383 else
5384 val = F_ERR_PCIE_ERROR0 | F_ERR_PCIE_ERROR1 | F_FATAL_WRE_LEN;
5385 val |= F_ERR_CPL_EXCEED_IQE_SIZE | F_ERR_INVALID_CIDX_INC |
5386 F_ERR_CPL_OPCODE_0 | F_ERR_DATA_CPL_ON_HIGH_QID1 |
5387 F_INGRESS_SIZE_ERR | F_ERR_DATA_CPL_ON_HIGH_QID0 |
5388 F_ERR_BAD_DB_PIDX3 | F_ERR_BAD_DB_PIDX2 | F_ERR_BAD_DB_PIDX1 |
5389 F_ERR_BAD_DB_PIDX0 | F_ERR_ING_CTXT_PRIO | F_DBFIFO_LP_INT |
5390 F_EGRESS_SIZE_ERR;
5391 t4_set_reg_field(adap, A_SGE_INT_ENABLE3, val, val);
5392 t4_write_reg(adap, MYPF_REG(A_PL_PF_INT_ENABLE), PF_INTR_MASK);
5393 t4_set_reg_field(adap, A_PL_INT_ENABLE, F_SF | F_I2CM, 0);
5394 t4_set_reg_field(adap, A_PL_INT_MAP0, 0, 1 << adap->pf);
5395 }
5396
5397 /**
5398 * t4_intr_disable - disable interrupts
5399 * @adap: the adapter whose interrupts should be disabled
5400 *
5401 * Disable interrupts. We only disable the top-level interrupt
5402 * concentrators. The caller must be a PCI function managing global
5403 * interrupts.
5404 */
t4_intr_disable(struct adapter * adap)5405 void t4_intr_disable(struct adapter *adap)
5406 {
5407
5408 t4_write_reg(adap, MYPF_REG(A_PL_PF_INT_ENABLE), 0);
5409 t4_set_reg_field(adap, A_PL_INT_MAP0, 1 << adap->pf, 0);
5410 }
5411
5412 /**
5413 * t4_intr_clear - clear all interrupts
5414 * @adap: the adapter whose interrupts should be cleared
5415 *
5416 * Clears all interrupts. The caller must be a PCI function managing
5417 * global interrupts.
5418 */
t4_intr_clear(struct adapter * adap)5419 void t4_intr_clear(struct adapter *adap)
5420 {
5421 static const u32 cause_reg[] = {
5422 A_CIM_HOST_INT_CAUSE,
5423 A_CIM_HOST_UPACC_INT_CAUSE,
5424 MYPF_REG(A_CIM_PF_HOST_INT_CAUSE),
5425 A_CPL_INTR_CAUSE,
5426 EDC_REG(A_EDC_INT_CAUSE, 0), EDC_REG(A_EDC_INT_CAUSE, 1),
5427 A_LE_DB_INT_CAUSE,
5428 A_MA_INT_WRAP_STATUS,
5429 A_MA_PARITY_ERROR_STATUS1,
5430 A_MA_INT_CAUSE,
5431 A_MPS_CLS_INT_CAUSE,
5432 A_MPS_RX_PERR_INT_CAUSE,
5433 A_MPS_STAT_PERR_INT_CAUSE_RX_FIFO,
5434 A_MPS_STAT_PERR_INT_CAUSE_SRAM,
5435 A_MPS_TRC_INT_CAUSE,
5436 A_MPS_TX_INT_CAUSE,
5437 A_MPS_STAT_PERR_INT_CAUSE_TX_FIFO,
5438 A_NCSI_INT_CAUSE,
5439 A_PCIE_INT_CAUSE,
5440 A_PCIE_NONFAT_ERR,
5441 A_PL_PL_INT_CAUSE,
5442 A_PM_RX_INT_CAUSE,
5443 A_PM_TX_INT_CAUSE,
5444 A_SGE_INT_CAUSE1,
5445 A_SGE_INT_CAUSE2,
5446 A_SGE_INT_CAUSE3,
5447 A_SGE_INT_CAUSE4,
5448 A_SMB_INT_CAUSE,
5449 A_TP_INT_CAUSE,
5450 A_ULP_RX_INT_CAUSE,
5451 A_ULP_RX_INT_CAUSE_2,
5452 A_ULP_TX_INT_CAUSE,
5453 A_ULP_TX_INT_CAUSE_2,
5454
5455 MYPF_REG(A_PL_PF_INT_CAUSE),
5456 };
5457 int i;
5458 const int nchan = adap->chip_params->nchan;
5459
5460 for (i = 0; i < ARRAY_SIZE(cause_reg); i++)
5461 t4_write_reg(adap, cause_reg[i], 0xffffffff);
5462
5463 if (is_t4(adap)) {
5464 t4_write_reg(adap, A_PCIE_CORE_UTL_SYSTEM_BUS_AGENT_STATUS,
5465 0xffffffff);
5466 t4_write_reg(adap, A_PCIE_CORE_UTL_PCI_EXPRESS_PORT_STATUS,
5467 0xffffffff);
5468 t4_write_reg(adap, A_MC_INT_CAUSE, 0xffffffff);
5469 for (i = 0; i < nchan; i++) {
5470 t4_write_reg(adap, PORT_REG(i, A_XGMAC_PORT_INT_CAUSE),
5471 0xffffffff);
5472 }
5473 }
5474 if (chip_id(adap) >= CHELSIO_T5) {
5475 t4_write_reg(adap, A_MA_PARITY_ERROR_STATUS2, 0xffffffff);
5476 t4_write_reg(adap, A_MPS_STAT_PERR_INT_CAUSE_SRAM1, 0xffffffff);
5477 t4_write_reg(adap, A_SGE_INT_CAUSE5, 0xffffffff);
5478 t4_write_reg(adap, A_MC_P_INT_CAUSE, 0xffffffff);
5479 if (is_t5(adap)) {
5480 t4_write_reg(adap, MC_REG(A_MC_P_INT_CAUSE, 1),
5481 0xffffffff);
5482 }
5483 for (i = 0; i < nchan; i++) {
5484 t4_write_reg(adap, T5_PORT_REG(i,
5485 A_MAC_PORT_PERR_INT_CAUSE), 0xffffffff);
5486 if (chip_id(adap) > CHELSIO_T5) {
5487 t4_write_reg(adap, T5_PORT_REG(i,
5488 A_MAC_PORT_PERR_INT_CAUSE_100G),
5489 0xffffffff);
5490 }
5491 t4_write_reg(adap, T5_PORT_REG(i, A_MAC_PORT_INT_CAUSE),
5492 0xffffffff);
5493 }
5494 }
5495 if (chip_id(adap) >= CHELSIO_T6) {
5496 t4_write_reg(adap, A_SGE_INT_CAUSE6, 0xffffffff);
5497 }
5498
5499 t4_write_reg(adap, A_MPS_INT_CAUSE, is_t4(adap) ? 0 : 0xffffffff);
5500 t4_write_reg(adap, A_PL_PERR_CAUSE, 0xffffffff);
5501 t4_write_reg(adap, A_PL_INT_CAUSE, 0xffffffff);
5502 (void) t4_read_reg(adap, A_PL_INT_CAUSE); /* flush */
5503 }
5504
5505 /**
5506 * hash_mac_addr - return the hash value of a MAC address
5507 * @addr: the 48-bit Ethernet MAC address
5508 *
5509 * Hashes a MAC address according to the hash function used by HW inexact
5510 * (hash) address matching.
5511 */
hash_mac_addr(const u8 * addr)5512 static int hash_mac_addr(const u8 *addr)
5513 {
5514 u32 a = ((u32)addr[0] << 16) | ((u32)addr[1] << 8) | addr[2];
5515 u32 b = ((u32)addr[3] << 16) | ((u32)addr[4] << 8) | addr[5];
5516 a ^= b;
5517 a ^= (a >> 12);
5518 a ^= (a >> 6);
5519 return a & 0x3f;
5520 }
5521
5522 /**
5523 * t4_config_rss_range - configure a portion of the RSS mapping table
5524 * @adapter: the adapter
5525 * @mbox: mbox to use for the FW command
5526 * @viid: virtual interface whose RSS subtable is to be written
5527 * @start: start entry in the table to write
5528 * @n: how many table entries to write
5529 * @rspq: values for the "response queue" (Ingress Queue) lookup table
5530 * @nrspq: number of values in @rspq
5531 *
5532 * Programs the selected part of the VI's RSS mapping table with the
5533 * provided values. If @nrspq < @n the supplied values are used repeatedly
5534 * until the full table range is populated.
5535 *
5536 * The caller must ensure the values in @rspq are in the range allowed for
5537 * @viid.
5538 */
t4_config_rss_range(struct adapter * adapter,int mbox,unsigned int viid,int start,int n,const u16 * rspq,unsigned int nrspq)5539 int t4_config_rss_range(struct adapter *adapter, int mbox, unsigned int viid,
5540 int start, int n, const u16 *rspq, unsigned int nrspq)
5541 {
5542 int ret;
5543 const u16 *rsp = rspq;
5544 const u16 *rsp_end = rspq + nrspq;
5545 struct fw_rss_ind_tbl_cmd cmd;
5546
5547 memset(&cmd, 0, sizeof(cmd));
5548 cmd.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_RSS_IND_TBL_CMD) |
5549 F_FW_CMD_REQUEST | F_FW_CMD_WRITE |
5550 V_FW_RSS_IND_TBL_CMD_VIID(viid));
5551 cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd));
5552
5553 /*
5554 * Each firmware RSS command can accommodate up to 32 RSS Ingress
5555 * Queue Identifiers. These Ingress Queue IDs are packed three to
5556 * a 32-bit word as 10-bit values with the upper remaining 2 bits
5557 * reserved.
5558 */
5559 while (n > 0) {
5560 int nq = min(n, 32);
5561 int nq_packed = 0;
5562 __be32 *qp = &cmd.iq0_to_iq2;
5563
5564 /*
5565 * Set up the firmware RSS command header to send the next
5566 * "nq" Ingress Queue IDs to the firmware.
5567 */
5568 cmd.niqid = cpu_to_be16(nq);
5569 cmd.startidx = cpu_to_be16(start);
5570
5571 /*
5572 * "nq" more done for the start of the next loop.
5573 */
5574 start += nq;
5575 n -= nq;
5576
5577 /*
5578 * While there are still Ingress Queue IDs to stuff into the
5579 * current firmware RSS command, retrieve them from the
5580 * Ingress Queue ID array and insert them into the command.
5581 */
5582 while (nq > 0) {
5583 /*
5584 * Grab up to the next 3 Ingress Queue IDs (wrapping
5585 * around the Ingress Queue ID array if necessary) and
5586 * insert them into the firmware RSS command at the
5587 * current 3-tuple position within the commad.
5588 */
5589 u16 qbuf[3];
5590 u16 *qbp = qbuf;
5591 int nqbuf = min(3, nq);
5592
5593 nq -= nqbuf;
5594 qbuf[0] = qbuf[1] = qbuf[2] = 0;
5595 while (nqbuf && nq_packed < 32) {
5596 nqbuf--;
5597 nq_packed++;
5598 *qbp++ = *rsp++;
5599 if (rsp >= rsp_end)
5600 rsp = rspq;
5601 }
5602 *qp++ = cpu_to_be32(V_FW_RSS_IND_TBL_CMD_IQ0(qbuf[0]) |
5603 V_FW_RSS_IND_TBL_CMD_IQ1(qbuf[1]) |
5604 V_FW_RSS_IND_TBL_CMD_IQ2(qbuf[2]));
5605 }
5606
5607 /*
5608 * Send this portion of the RRS table update to the firmware;
5609 * bail out on any errors.
5610 */
5611 ret = t4_wr_mbox(adapter, mbox, &cmd, sizeof(cmd), NULL);
5612 if (ret)
5613 return ret;
5614 }
5615 return 0;
5616 }
5617
5618 /**
5619 * t4_config_glbl_rss - configure the global RSS mode
5620 * @adapter: the adapter
5621 * @mbox: mbox to use for the FW command
5622 * @mode: global RSS mode
5623 * @flags: mode-specific flags
5624 *
5625 * Sets the global RSS mode.
5626 */
t4_config_glbl_rss(struct adapter * adapter,int mbox,unsigned int mode,unsigned int flags)5627 int t4_config_glbl_rss(struct adapter *adapter, int mbox, unsigned int mode,
5628 unsigned int flags)
5629 {
5630 struct fw_rss_glb_config_cmd c;
5631
5632 memset(&c, 0, sizeof(c));
5633 c.op_to_write = cpu_to_be32(V_FW_CMD_OP(FW_RSS_GLB_CONFIG_CMD) |
5634 F_FW_CMD_REQUEST | F_FW_CMD_WRITE);
5635 c.retval_len16 = cpu_to_be32(FW_LEN16(c));
5636 if (mode == FW_RSS_GLB_CONFIG_CMD_MODE_MANUAL) {
5637 c.u.manual.mode_pkd =
5638 cpu_to_be32(V_FW_RSS_GLB_CONFIG_CMD_MODE(mode));
5639 } else if (mode == FW_RSS_GLB_CONFIG_CMD_MODE_BASICVIRTUAL) {
5640 c.u.basicvirtual.mode_keymode =
5641 cpu_to_be32(V_FW_RSS_GLB_CONFIG_CMD_MODE(mode));
5642 c.u.basicvirtual.synmapen_to_hashtoeplitz = cpu_to_be32(flags);
5643 } else
5644 return -EINVAL;
5645 return t4_wr_mbox(adapter, mbox, &c, sizeof(c), NULL);
5646 }
5647
5648 /**
5649 * t4_config_vi_rss - configure per VI RSS settings
5650 * @adapter: the adapter
5651 * @mbox: mbox to use for the FW command
5652 * @viid: the VI id
5653 * @flags: RSS flags
5654 * @defq: id of the default RSS queue for the VI.
5655 * @skeyidx: RSS secret key table index for non-global mode
5656 * @skey: RSS vf_scramble key for VI.
5657 *
5658 * Configures VI-specific RSS properties.
5659 */
t4_config_vi_rss(struct adapter * adapter,int mbox,unsigned int viid,unsigned int flags,unsigned int defq,unsigned int skeyidx,unsigned int skey)5660 int t4_config_vi_rss(struct adapter *adapter, int mbox, unsigned int viid,
5661 unsigned int flags, unsigned int defq, unsigned int skeyidx,
5662 unsigned int skey)
5663 {
5664 struct fw_rss_vi_config_cmd c;
5665
5666 memset(&c, 0, sizeof(c));
5667 c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_RSS_VI_CONFIG_CMD) |
5668 F_FW_CMD_REQUEST | F_FW_CMD_WRITE |
5669 V_FW_RSS_VI_CONFIG_CMD_VIID(viid));
5670 c.retval_len16 = cpu_to_be32(FW_LEN16(c));
5671 c.u.basicvirtual.defaultq_to_udpen = cpu_to_be32(flags |
5672 V_FW_RSS_VI_CONFIG_CMD_DEFAULTQ(defq));
5673 c.u.basicvirtual.secretkeyidx_pkd = cpu_to_be32(
5674 V_FW_RSS_VI_CONFIG_CMD_SECRETKEYIDX(skeyidx));
5675 c.u.basicvirtual.secretkeyxor = cpu_to_be32(skey);
5676
5677 return t4_wr_mbox(adapter, mbox, &c, sizeof(c), NULL);
5678 }
5679
5680 /* Read an RSS table row */
rd_rss_row(struct adapter * adap,int row,u32 * val)5681 static int rd_rss_row(struct adapter *adap, int row, u32 *val)
5682 {
5683 t4_write_reg(adap, A_TP_RSS_LKP_TABLE, 0xfff00000 | row);
5684 return t4_wait_op_done_val(adap, A_TP_RSS_LKP_TABLE, F_LKPTBLROWVLD, 1,
5685 5, 0, val);
5686 }
5687
5688 /**
5689 * t4_read_rss - read the contents of the RSS mapping table
5690 * @adapter: the adapter
5691 * @map: holds the contents of the RSS mapping table
5692 *
5693 * Reads the contents of the RSS hash->queue mapping table.
5694 */
t4_read_rss(struct adapter * adapter,u16 * map)5695 int t4_read_rss(struct adapter *adapter, u16 *map)
5696 {
5697 u32 val;
5698 int i, ret;
5699 int rss_nentries = adapter->chip_params->rss_nentries;
5700
5701 for (i = 0; i < rss_nentries / 2; ++i) {
5702 ret = rd_rss_row(adapter, i, &val);
5703 if (ret)
5704 return ret;
5705 *map++ = G_LKPTBLQUEUE0(val);
5706 *map++ = G_LKPTBLQUEUE1(val);
5707 }
5708 return 0;
5709 }
5710
5711 /**
5712 * t4_tp_fw_ldst_rw - Access TP indirect register through LDST
5713 * @adap: the adapter
5714 * @cmd: TP fw ldst address space type
5715 * @vals: where the indirect register values are stored/written
5716 * @nregs: how many indirect registers to read/write
5717 * @start_idx: index of first indirect register to read/write
5718 * @rw: Read (1) or Write (0)
5719 * @sleep_ok: if true we may sleep while awaiting command completion
5720 *
5721 * Access TP indirect registers through LDST
5722 **/
t4_tp_fw_ldst_rw(struct adapter * adap,int cmd,u32 * vals,unsigned int nregs,unsigned int start_index,unsigned int rw,bool sleep_ok)5723 static int t4_tp_fw_ldst_rw(struct adapter *adap, int cmd, u32 *vals,
5724 unsigned int nregs, unsigned int start_index,
5725 unsigned int rw, bool sleep_ok)
5726 {
5727 int ret = 0;
5728 unsigned int i;
5729 struct fw_ldst_cmd c;
5730
5731 for (i = 0; i < nregs; i++) {
5732 memset(&c, 0, sizeof(c));
5733 c.op_to_addrspace = cpu_to_be32(V_FW_CMD_OP(FW_LDST_CMD) |
5734 F_FW_CMD_REQUEST |
5735 (rw ? F_FW_CMD_READ :
5736 F_FW_CMD_WRITE) |
5737 V_FW_LDST_CMD_ADDRSPACE(cmd));
5738 c.cycles_to_len16 = cpu_to_be32(FW_LEN16(c));
5739
5740 c.u.addrval.addr = cpu_to_be32(start_index + i);
5741 c.u.addrval.val = rw ? 0 : cpu_to_be32(vals[i]);
5742 ret = t4_wr_mbox_meat(adap, adap->mbox, &c, sizeof(c), &c,
5743 sleep_ok);
5744 if (ret)
5745 return ret;
5746
5747 if (rw)
5748 vals[i] = be32_to_cpu(c.u.addrval.val);
5749 }
5750 return 0;
5751 }
5752
5753 /**
5754 * t4_tp_indirect_rw - Read/Write TP indirect register through LDST or backdoor
5755 * @adap: the adapter
5756 * @reg_addr: Address Register
5757 * @reg_data: Data register
5758 * @buff: where the indirect register values are stored/written
5759 * @nregs: how many indirect registers to read/write
5760 * @start_index: index of first indirect register to read/write
5761 * @rw: READ(1) or WRITE(0)
5762 * @sleep_ok: if true we may sleep while awaiting command completion
5763 *
5764 * Read/Write TP indirect registers through LDST if possible.
5765 * Else, use backdoor access
5766 **/
t4_tp_indirect_rw(struct adapter * adap,u32 reg_addr,u32 reg_data,u32 * buff,u32 nregs,u32 start_index,int rw,bool sleep_ok)5767 static void t4_tp_indirect_rw(struct adapter *adap, u32 reg_addr, u32 reg_data,
5768 u32 *buff, u32 nregs, u32 start_index, int rw,
5769 bool sleep_ok)
5770 {
5771 int rc = -EINVAL;
5772 int cmd;
5773
5774 switch (reg_addr) {
5775 case A_TP_PIO_ADDR:
5776 cmd = FW_LDST_ADDRSPC_TP_PIO;
5777 break;
5778 case A_TP_TM_PIO_ADDR:
5779 cmd = FW_LDST_ADDRSPC_TP_TM_PIO;
5780 break;
5781 case A_TP_MIB_INDEX:
5782 cmd = FW_LDST_ADDRSPC_TP_MIB;
5783 break;
5784 default:
5785 goto indirect_access;
5786 }
5787
5788 if (t4_use_ldst(adap))
5789 rc = t4_tp_fw_ldst_rw(adap, cmd, buff, nregs, start_index, rw,
5790 sleep_ok);
5791
5792 indirect_access:
5793
5794 if (rc) {
5795 if (rw)
5796 t4_read_indirect(adap, reg_addr, reg_data, buff, nregs,
5797 start_index);
5798 else
5799 t4_write_indirect(adap, reg_addr, reg_data, buff, nregs,
5800 start_index);
5801 }
5802 }
5803
5804 /**
5805 * t4_tp_pio_read - Read TP PIO registers
5806 * @adap: the adapter
5807 * @buff: where the indirect register values are written
5808 * @nregs: how many indirect registers to read
5809 * @start_index: index of first indirect register to read
5810 * @sleep_ok: if true we may sleep while awaiting command completion
5811 *
5812 * Read TP PIO Registers
5813 **/
t4_tp_pio_read(struct adapter * adap,u32 * buff,u32 nregs,u32 start_index,bool sleep_ok)5814 void t4_tp_pio_read(struct adapter *adap, u32 *buff, u32 nregs,
5815 u32 start_index, bool sleep_ok)
5816 {
5817 t4_tp_indirect_rw(adap, A_TP_PIO_ADDR, A_TP_PIO_DATA, buff, nregs,
5818 start_index, 1, sleep_ok);
5819 }
5820
5821 /**
5822 * t4_tp_pio_write - Write TP PIO registers
5823 * @adap: the adapter
5824 * @buff: where the indirect register values are stored
5825 * @nregs: how many indirect registers to write
5826 * @start_index: index of first indirect register to write
5827 * @sleep_ok: if true we may sleep while awaiting command completion
5828 *
5829 * Write TP PIO Registers
5830 **/
t4_tp_pio_write(struct adapter * adap,const u32 * buff,u32 nregs,u32 start_index,bool sleep_ok)5831 void t4_tp_pio_write(struct adapter *adap, const u32 *buff, u32 nregs,
5832 u32 start_index, bool sleep_ok)
5833 {
5834 t4_tp_indirect_rw(adap, A_TP_PIO_ADDR, A_TP_PIO_DATA,
5835 __DECONST(u32 *, buff), nregs, start_index, 0, sleep_ok);
5836 }
5837
5838 /**
5839 * t4_tp_tm_pio_read - Read TP TM PIO registers
5840 * @adap: the adapter
5841 * @buff: where the indirect register values are written
5842 * @nregs: how many indirect registers to read
5843 * @start_index: index of first indirect register to read
5844 * @sleep_ok: if true we may sleep while awaiting command completion
5845 *
5846 * Read TP TM PIO Registers
5847 **/
t4_tp_tm_pio_read(struct adapter * adap,u32 * buff,u32 nregs,u32 start_index,bool sleep_ok)5848 void t4_tp_tm_pio_read(struct adapter *adap, u32 *buff, u32 nregs,
5849 u32 start_index, bool sleep_ok)
5850 {
5851 t4_tp_indirect_rw(adap, A_TP_TM_PIO_ADDR, A_TP_TM_PIO_DATA, buff,
5852 nregs, start_index, 1, sleep_ok);
5853 }
5854
5855 /**
5856 * t4_tp_mib_read - Read TP MIB registers
5857 * @adap: the adapter
5858 * @buff: where the indirect register values are written
5859 * @nregs: how many indirect registers to read
5860 * @start_index: index of first indirect register to read
5861 * @sleep_ok: if true we may sleep while awaiting command completion
5862 *
5863 * Read TP MIB Registers
5864 **/
t4_tp_mib_read(struct adapter * adap,u32 * buff,u32 nregs,u32 start_index,bool sleep_ok)5865 void t4_tp_mib_read(struct adapter *adap, u32 *buff, u32 nregs, u32 start_index,
5866 bool sleep_ok)
5867 {
5868 t4_tp_indirect_rw(adap, A_TP_MIB_INDEX, A_TP_MIB_DATA, buff, nregs,
5869 start_index, 1, sleep_ok);
5870 }
5871
5872 /**
5873 * t4_read_rss_key - read the global RSS key
5874 * @adap: the adapter
5875 * @key: 10-entry array holding the 320-bit RSS key
5876 * @sleep_ok: if true we may sleep while awaiting command completion
5877 *
5878 * Reads the global 320-bit RSS key.
5879 */
t4_read_rss_key(struct adapter * adap,u32 * key,bool sleep_ok)5880 void t4_read_rss_key(struct adapter *adap, u32 *key, bool sleep_ok)
5881 {
5882 t4_tp_pio_read(adap, key, 10, A_TP_RSS_SECRET_KEY0, sleep_ok);
5883 }
5884
5885 /**
5886 * t4_write_rss_key - program one of the RSS keys
5887 * @adap: the adapter
5888 * @key: 10-entry array holding the 320-bit RSS key
5889 * @idx: which RSS key to write
5890 * @sleep_ok: if true we may sleep while awaiting command completion
5891 *
5892 * Writes one of the RSS keys with the given 320-bit value. If @idx is
5893 * 0..15 the corresponding entry in the RSS key table is written,
5894 * otherwise the global RSS key is written.
5895 */
t4_write_rss_key(struct adapter * adap,const u32 * key,int idx,bool sleep_ok)5896 void t4_write_rss_key(struct adapter *adap, const u32 *key, int idx,
5897 bool sleep_ok)
5898 {
5899 u8 rss_key_addr_cnt = 16;
5900 u32 vrt = t4_read_reg(adap, A_TP_RSS_CONFIG_VRT);
5901
5902 /*
5903 * T6 and later: for KeyMode 3 (per-vf and per-vf scramble),
5904 * allows access to key addresses 16-63 by using KeyWrAddrX
5905 * as index[5:4](upper 2) into key table
5906 */
5907 if ((chip_id(adap) > CHELSIO_T5) &&
5908 (vrt & F_KEYEXTEND) && (G_KEYMODE(vrt) == 3))
5909 rss_key_addr_cnt = 32;
5910
5911 t4_tp_pio_write(adap, key, 10, A_TP_RSS_SECRET_KEY0, sleep_ok);
5912
5913 if (idx >= 0 && idx < rss_key_addr_cnt) {
5914 if (rss_key_addr_cnt > 16)
5915 t4_write_reg(adap, A_TP_RSS_CONFIG_VRT,
5916 vrt | V_KEYWRADDRX(idx >> 4) |
5917 V_T6_VFWRADDR(idx) | F_KEYWREN);
5918 else
5919 t4_write_reg(adap, A_TP_RSS_CONFIG_VRT,
5920 vrt| V_KEYWRADDR(idx) | F_KEYWREN);
5921 }
5922 }
5923
5924 /**
5925 * t4_read_rss_pf_config - read PF RSS Configuration Table
5926 * @adapter: the adapter
5927 * @index: the entry in the PF RSS table to read
5928 * @valp: where to store the returned value
5929 * @sleep_ok: if true we may sleep while awaiting command completion
5930 *
5931 * Reads the PF RSS Configuration Table at the specified index and returns
5932 * the value found there.
5933 */
t4_read_rss_pf_config(struct adapter * adapter,unsigned int index,u32 * valp,bool sleep_ok)5934 void t4_read_rss_pf_config(struct adapter *adapter, unsigned int index,
5935 u32 *valp, bool sleep_ok)
5936 {
5937 t4_tp_pio_read(adapter, valp, 1, A_TP_RSS_PF0_CONFIG + index, sleep_ok);
5938 }
5939
5940 /**
5941 * t4_write_rss_pf_config - write PF RSS Configuration Table
5942 * @adapter: the adapter
5943 * @index: the entry in the VF RSS table to read
5944 * @val: the value to store
5945 * @sleep_ok: if true we may sleep while awaiting command completion
5946 *
5947 * Writes the PF RSS Configuration Table at the specified index with the
5948 * specified value.
5949 */
t4_write_rss_pf_config(struct adapter * adapter,unsigned int index,u32 val,bool sleep_ok)5950 void t4_write_rss_pf_config(struct adapter *adapter, unsigned int index,
5951 u32 val, bool sleep_ok)
5952 {
5953 t4_tp_pio_write(adapter, &val, 1, A_TP_RSS_PF0_CONFIG + index,
5954 sleep_ok);
5955 }
5956
5957 /**
5958 * t4_read_rss_vf_config - read VF RSS Configuration Table
5959 * @adapter: the adapter
5960 * @index: the entry in the VF RSS table to read
5961 * @vfl: where to store the returned VFL
5962 * @vfh: where to store the returned VFH
5963 * @sleep_ok: if true we may sleep while awaiting command completion
5964 *
5965 * Reads the VF RSS Configuration Table at the specified index and returns
5966 * the (VFL, VFH) values found there.
5967 */
t4_read_rss_vf_config(struct adapter * adapter,unsigned int index,u32 * vfl,u32 * vfh,bool sleep_ok)5968 void t4_read_rss_vf_config(struct adapter *adapter, unsigned int index,
5969 u32 *vfl, u32 *vfh, bool sleep_ok)
5970 {
5971 u32 vrt, mask, data;
5972
5973 if (chip_id(adapter) <= CHELSIO_T5) {
5974 mask = V_VFWRADDR(M_VFWRADDR);
5975 data = V_VFWRADDR(index);
5976 } else {
5977 mask = V_T6_VFWRADDR(M_T6_VFWRADDR);
5978 data = V_T6_VFWRADDR(index);
5979 }
5980 /*
5981 * Request that the index'th VF Table values be read into VFL/VFH.
5982 */
5983 vrt = t4_read_reg(adapter, A_TP_RSS_CONFIG_VRT);
5984 vrt &= ~(F_VFRDRG | F_VFWREN | F_KEYWREN | mask);
5985 vrt |= data | F_VFRDEN;
5986 t4_write_reg(adapter, A_TP_RSS_CONFIG_VRT, vrt);
5987
5988 /*
5989 * Grab the VFL/VFH values ...
5990 */
5991 t4_tp_pio_read(adapter, vfl, 1, A_TP_RSS_VFL_CONFIG, sleep_ok);
5992 t4_tp_pio_read(adapter, vfh, 1, A_TP_RSS_VFH_CONFIG, sleep_ok);
5993 }
5994
5995 /**
5996 * t4_write_rss_vf_config - write VF RSS Configuration Table
5997 *
5998 * @adapter: the adapter
5999 * @index: the entry in the VF RSS table to write
6000 * @vfl: the VFL to store
6001 * @vfh: the VFH to store
6002 *
6003 * Writes the VF RSS Configuration Table at the specified index with the
6004 * specified (VFL, VFH) values.
6005 */
t4_write_rss_vf_config(struct adapter * adapter,unsigned int index,u32 vfl,u32 vfh,bool sleep_ok)6006 void t4_write_rss_vf_config(struct adapter *adapter, unsigned int index,
6007 u32 vfl, u32 vfh, bool sleep_ok)
6008 {
6009 u32 vrt, mask, data;
6010
6011 if (chip_id(adapter) <= CHELSIO_T5) {
6012 mask = V_VFWRADDR(M_VFWRADDR);
6013 data = V_VFWRADDR(index);
6014 } else {
6015 mask = V_T6_VFWRADDR(M_T6_VFWRADDR);
6016 data = V_T6_VFWRADDR(index);
6017 }
6018
6019 /*
6020 * Load up VFL/VFH with the values to be written ...
6021 */
6022 t4_tp_pio_write(adapter, &vfl, 1, A_TP_RSS_VFL_CONFIG, sleep_ok);
6023 t4_tp_pio_write(adapter, &vfh, 1, A_TP_RSS_VFH_CONFIG, sleep_ok);
6024
6025 /*
6026 * Write the VFL/VFH into the VF Table at index'th location.
6027 */
6028 vrt = t4_read_reg(adapter, A_TP_RSS_CONFIG_VRT);
6029 vrt &= ~(F_VFRDRG | F_VFWREN | F_KEYWREN | mask);
6030 vrt |= data | F_VFRDEN;
6031 t4_write_reg(adapter, A_TP_RSS_CONFIG_VRT, vrt);
6032 }
6033
6034 /**
6035 * t4_read_rss_pf_map - read PF RSS Map
6036 * @adapter: the adapter
6037 * @sleep_ok: if true we may sleep while awaiting command completion
6038 *
6039 * Reads the PF RSS Map register and returns its value.
6040 */
t4_read_rss_pf_map(struct adapter * adapter,bool sleep_ok)6041 u32 t4_read_rss_pf_map(struct adapter *adapter, bool sleep_ok)
6042 {
6043 u32 pfmap;
6044
6045 t4_tp_pio_read(adapter, &pfmap, 1, A_TP_RSS_PF_MAP, sleep_ok);
6046
6047 return pfmap;
6048 }
6049
6050 /**
6051 * t4_write_rss_pf_map - write PF RSS Map
6052 * @adapter: the adapter
6053 * @pfmap: PF RSS Map value
6054 *
6055 * Writes the specified value to the PF RSS Map register.
6056 */
t4_write_rss_pf_map(struct adapter * adapter,u32 pfmap,bool sleep_ok)6057 void t4_write_rss_pf_map(struct adapter *adapter, u32 pfmap, bool sleep_ok)
6058 {
6059 t4_tp_pio_write(adapter, &pfmap, 1, A_TP_RSS_PF_MAP, sleep_ok);
6060 }
6061
6062 /**
6063 * t4_read_rss_pf_mask - read PF RSS Mask
6064 * @adapter: the adapter
6065 * @sleep_ok: if true we may sleep while awaiting command completion
6066 *
6067 * Reads the PF RSS Mask register and returns its value.
6068 */
t4_read_rss_pf_mask(struct adapter * adapter,bool sleep_ok)6069 u32 t4_read_rss_pf_mask(struct adapter *adapter, bool sleep_ok)
6070 {
6071 u32 pfmask;
6072
6073 t4_tp_pio_read(adapter, &pfmask, 1, A_TP_RSS_PF_MSK, sleep_ok);
6074
6075 return pfmask;
6076 }
6077
6078 /**
6079 * t4_write_rss_pf_mask - write PF RSS Mask
6080 * @adapter: the adapter
6081 * @pfmask: PF RSS Mask value
6082 *
6083 * Writes the specified value to the PF RSS Mask register.
6084 */
t4_write_rss_pf_mask(struct adapter * adapter,u32 pfmask,bool sleep_ok)6085 void t4_write_rss_pf_mask(struct adapter *adapter, u32 pfmask, bool sleep_ok)
6086 {
6087 t4_tp_pio_write(adapter, &pfmask, 1, A_TP_RSS_PF_MSK, sleep_ok);
6088 }
6089
6090 /**
6091 * t4_tp_get_tcp_stats - read TP's TCP MIB counters
6092 * @adap: the adapter
6093 * @v4: holds the TCP/IP counter values
6094 * @v6: holds the TCP/IPv6 counter values
6095 * @sleep_ok: if true we may sleep while awaiting command completion
6096 *
6097 * Returns the values of TP's TCP/IP and TCP/IPv6 MIB counters.
6098 * Either @v4 or @v6 may be %NULL to skip the corresponding stats.
6099 */
t4_tp_get_tcp_stats(struct adapter * adap,struct tp_tcp_stats * v4,struct tp_tcp_stats * v6,bool sleep_ok)6100 void t4_tp_get_tcp_stats(struct adapter *adap, struct tp_tcp_stats *v4,
6101 struct tp_tcp_stats *v6, bool sleep_ok)
6102 {
6103 u32 val[A_TP_MIB_TCP_RXT_SEG_LO - A_TP_MIB_TCP_OUT_RST + 1];
6104
6105 #define STAT_IDX(x) ((A_TP_MIB_TCP_##x) - A_TP_MIB_TCP_OUT_RST)
6106 #define STAT(x) val[STAT_IDX(x)]
6107 #define STAT64(x) (((u64)STAT(x##_HI) << 32) | STAT(x##_LO))
6108
6109 if (v4) {
6110 t4_tp_mib_read(adap, val, ARRAY_SIZE(val),
6111 A_TP_MIB_TCP_OUT_RST, sleep_ok);
6112 v4->tcp_out_rsts = STAT(OUT_RST);
6113 v4->tcp_in_segs = STAT64(IN_SEG);
6114 v4->tcp_out_segs = STAT64(OUT_SEG);
6115 v4->tcp_retrans_segs = STAT64(RXT_SEG);
6116 }
6117 if (v6) {
6118 t4_tp_mib_read(adap, val, ARRAY_SIZE(val),
6119 A_TP_MIB_TCP_V6OUT_RST, sleep_ok);
6120 v6->tcp_out_rsts = STAT(OUT_RST);
6121 v6->tcp_in_segs = STAT64(IN_SEG);
6122 v6->tcp_out_segs = STAT64(OUT_SEG);
6123 v6->tcp_retrans_segs = STAT64(RXT_SEG);
6124 }
6125 #undef STAT64
6126 #undef STAT
6127 #undef STAT_IDX
6128 }
6129
6130 /**
6131 * t4_tp_get_err_stats - read TP's error MIB counters
6132 * @adap: the adapter
6133 * @st: holds the counter values
6134 * @sleep_ok: if true we may sleep while awaiting command completion
6135 *
6136 * Returns the values of TP's error counters.
6137 */
t4_tp_get_err_stats(struct adapter * adap,struct tp_err_stats * st,bool sleep_ok)6138 void t4_tp_get_err_stats(struct adapter *adap, struct tp_err_stats *st,
6139 bool sleep_ok)
6140 {
6141 int nchan = adap->chip_params->nchan;
6142
6143 t4_tp_mib_read(adap, st->mac_in_errs, nchan, A_TP_MIB_MAC_IN_ERR_0,
6144 sleep_ok);
6145
6146 t4_tp_mib_read(adap, st->hdr_in_errs, nchan, A_TP_MIB_HDR_IN_ERR_0,
6147 sleep_ok);
6148
6149 t4_tp_mib_read(adap, st->tcp_in_errs, nchan, A_TP_MIB_TCP_IN_ERR_0,
6150 sleep_ok);
6151
6152 t4_tp_mib_read(adap, st->tnl_cong_drops, nchan,
6153 A_TP_MIB_TNL_CNG_DROP_0, sleep_ok);
6154
6155 t4_tp_mib_read(adap, st->ofld_chan_drops, nchan,
6156 A_TP_MIB_OFD_CHN_DROP_0, sleep_ok);
6157
6158 t4_tp_mib_read(adap, st->tnl_tx_drops, nchan, A_TP_MIB_TNL_DROP_0,
6159 sleep_ok);
6160
6161 t4_tp_mib_read(adap, st->ofld_vlan_drops, nchan,
6162 A_TP_MIB_OFD_VLN_DROP_0, sleep_ok);
6163
6164 t4_tp_mib_read(adap, st->tcp6_in_errs, nchan,
6165 A_TP_MIB_TCP_V6IN_ERR_0, sleep_ok);
6166
6167 t4_tp_mib_read(adap, &st->ofld_no_neigh, 2, A_TP_MIB_OFD_ARP_DROP,
6168 sleep_ok);
6169 }
6170
6171 /**
6172 * t4_tp_get_proxy_stats - read TP's proxy MIB counters
6173 * @adap: the adapter
6174 * @st: holds the counter values
6175 *
6176 * Returns the values of TP's proxy counters.
6177 */
t4_tp_get_proxy_stats(struct adapter * adap,struct tp_proxy_stats * st,bool sleep_ok)6178 void t4_tp_get_proxy_stats(struct adapter *adap, struct tp_proxy_stats *st,
6179 bool sleep_ok)
6180 {
6181 int nchan = adap->chip_params->nchan;
6182
6183 t4_tp_mib_read(adap, st->proxy, nchan, A_TP_MIB_TNL_LPBK_0, sleep_ok);
6184 }
6185
6186 /**
6187 * t4_tp_get_cpl_stats - read TP's CPL MIB counters
6188 * @adap: the adapter
6189 * @st: holds the counter values
6190 * @sleep_ok: if true we may sleep while awaiting command completion
6191 *
6192 * Returns the values of TP's CPL counters.
6193 */
t4_tp_get_cpl_stats(struct adapter * adap,struct tp_cpl_stats * st,bool sleep_ok)6194 void t4_tp_get_cpl_stats(struct adapter *adap, struct tp_cpl_stats *st,
6195 bool sleep_ok)
6196 {
6197 int nchan = adap->chip_params->nchan;
6198
6199 t4_tp_mib_read(adap, st->req, nchan, A_TP_MIB_CPL_IN_REQ_0, sleep_ok);
6200
6201 t4_tp_mib_read(adap, st->rsp, nchan, A_TP_MIB_CPL_OUT_RSP_0, sleep_ok);
6202 }
6203
6204 /**
6205 * t4_tp_get_rdma_stats - read TP's RDMA MIB counters
6206 * @adap: the adapter
6207 * @st: holds the counter values
6208 *
6209 * Returns the values of TP's RDMA counters.
6210 */
t4_tp_get_rdma_stats(struct adapter * adap,struct tp_rdma_stats * st,bool sleep_ok)6211 void t4_tp_get_rdma_stats(struct adapter *adap, struct tp_rdma_stats *st,
6212 bool sleep_ok)
6213 {
6214 t4_tp_mib_read(adap, &st->rqe_dfr_pkt, 2, A_TP_MIB_RQE_DFR_PKT,
6215 sleep_ok);
6216 }
6217
6218 /**
6219 * t4_get_fcoe_stats - read TP's FCoE MIB counters for a port
6220 * @adap: the adapter
6221 * @idx: the port index
6222 * @st: holds the counter values
6223 * @sleep_ok: if true we may sleep while awaiting command completion
6224 *
6225 * Returns the values of TP's FCoE counters for the selected port.
6226 */
t4_get_fcoe_stats(struct adapter * adap,unsigned int idx,struct tp_fcoe_stats * st,bool sleep_ok)6227 void t4_get_fcoe_stats(struct adapter *adap, unsigned int idx,
6228 struct tp_fcoe_stats *st, bool sleep_ok)
6229 {
6230 u32 val[2];
6231
6232 t4_tp_mib_read(adap, &st->frames_ddp, 1, A_TP_MIB_FCOE_DDP_0 + idx,
6233 sleep_ok);
6234
6235 t4_tp_mib_read(adap, &st->frames_drop, 1,
6236 A_TP_MIB_FCOE_DROP_0 + idx, sleep_ok);
6237
6238 t4_tp_mib_read(adap, val, 2, A_TP_MIB_FCOE_BYTE_0_HI + 2 * idx,
6239 sleep_ok);
6240
6241 st->octets_ddp = ((u64)val[0] << 32) | val[1];
6242 }
6243
6244 /**
6245 * t4_get_usm_stats - read TP's non-TCP DDP MIB counters
6246 * @adap: the adapter
6247 * @st: holds the counter values
6248 * @sleep_ok: if true we may sleep while awaiting command completion
6249 *
6250 * Returns the values of TP's counters for non-TCP directly-placed packets.
6251 */
t4_get_usm_stats(struct adapter * adap,struct tp_usm_stats * st,bool sleep_ok)6252 void t4_get_usm_stats(struct adapter *adap, struct tp_usm_stats *st,
6253 bool sleep_ok)
6254 {
6255 u32 val[4];
6256
6257 t4_tp_mib_read(adap, val, 4, A_TP_MIB_USM_PKTS, sleep_ok);
6258
6259 st->frames = val[0];
6260 st->drops = val[1];
6261 st->octets = ((u64)val[2] << 32) | val[3];
6262 }
6263
6264 /**
6265 * t4_read_mtu_tbl - returns the values in the HW path MTU table
6266 * @adap: the adapter
6267 * @mtus: where to store the MTU values
6268 * @mtu_log: where to store the MTU base-2 log (may be %NULL)
6269 *
6270 * Reads the HW path MTU table.
6271 */
t4_read_mtu_tbl(struct adapter * adap,u16 * mtus,u8 * mtu_log)6272 void t4_read_mtu_tbl(struct adapter *adap, u16 *mtus, u8 *mtu_log)
6273 {
6274 u32 v;
6275 int i;
6276
6277 for (i = 0; i < NMTUS; ++i) {
6278 t4_write_reg(adap, A_TP_MTU_TABLE,
6279 V_MTUINDEX(0xff) | V_MTUVALUE(i));
6280 v = t4_read_reg(adap, A_TP_MTU_TABLE);
6281 mtus[i] = G_MTUVALUE(v);
6282 if (mtu_log)
6283 mtu_log[i] = G_MTUWIDTH(v);
6284 }
6285 }
6286
6287 /**
6288 * t4_read_cong_tbl - reads the congestion control table
6289 * @adap: the adapter
6290 * @incr: where to store the alpha values
6291 *
6292 * Reads the additive increments programmed into the HW congestion
6293 * control table.
6294 */
t4_read_cong_tbl(struct adapter * adap,u16 incr[NMTUS][NCCTRL_WIN])6295 void t4_read_cong_tbl(struct adapter *adap, u16 incr[NMTUS][NCCTRL_WIN])
6296 {
6297 unsigned int mtu, w;
6298
6299 for (mtu = 0; mtu < NMTUS; ++mtu)
6300 for (w = 0; w < NCCTRL_WIN; ++w) {
6301 t4_write_reg(adap, A_TP_CCTRL_TABLE,
6302 V_ROWINDEX(0xffff) | (mtu << 5) | w);
6303 incr[mtu][w] = (u16)t4_read_reg(adap,
6304 A_TP_CCTRL_TABLE) & 0x1fff;
6305 }
6306 }
6307
6308 /**
6309 * t4_tp_wr_bits_indirect - set/clear bits in an indirect TP register
6310 * @adap: the adapter
6311 * @addr: the indirect TP register address
6312 * @mask: specifies the field within the register to modify
6313 * @val: new value for the field
6314 *
6315 * Sets a field of an indirect TP register to the given value.
6316 */
t4_tp_wr_bits_indirect(struct adapter * adap,unsigned int addr,unsigned int mask,unsigned int val)6317 void t4_tp_wr_bits_indirect(struct adapter *adap, unsigned int addr,
6318 unsigned int mask, unsigned int val)
6319 {
6320 t4_write_reg(adap, A_TP_PIO_ADDR, addr);
6321 val |= t4_read_reg(adap, A_TP_PIO_DATA) & ~mask;
6322 t4_write_reg(adap, A_TP_PIO_DATA, val);
6323 }
6324
6325 /**
6326 * init_cong_ctrl - initialize congestion control parameters
6327 * @a: the alpha values for congestion control
6328 * @b: the beta values for congestion control
6329 *
6330 * Initialize the congestion control parameters.
6331 */
init_cong_ctrl(unsigned short * a,unsigned short * b)6332 static void init_cong_ctrl(unsigned short *a, unsigned short *b)
6333 {
6334 a[0] = a[1] = a[2] = a[3] = a[4] = a[5] = a[6] = a[7] = a[8] = 1;
6335 a[9] = 2;
6336 a[10] = 3;
6337 a[11] = 4;
6338 a[12] = 5;
6339 a[13] = 6;
6340 a[14] = 7;
6341 a[15] = 8;
6342 a[16] = 9;
6343 a[17] = 10;
6344 a[18] = 14;
6345 a[19] = 17;
6346 a[20] = 21;
6347 a[21] = 25;
6348 a[22] = 30;
6349 a[23] = 35;
6350 a[24] = 45;
6351 a[25] = 60;
6352 a[26] = 80;
6353 a[27] = 100;
6354 a[28] = 200;
6355 a[29] = 300;
6356 a[30] = 400;
6357 a[31] = 500;
6358
6359 b[0] = b[1] = b[2] = b[3] = b[4] = b[5] = b[6] = b[7] = b[8] = 0;
6360 b[9] = b[10] = 1;
6361 b[11] = b[12] = 2;
6362 b[13] = b[14] = b[15] = b[16] = 3;
6363 b[17] = b[18] = b[19] = b[20] = b[21] = 4;
6364 b[22] = b[23] = b[24] = b[25] = b[26] = b[27] = 5;
6365 b[28] = b[29] = 6;
6366 b[30] = b[31] = 7;
6367 }
6368
6369 /* The minimum additive increment value for the congestion control table */
6370 #define CC_MIN_INCR 2U
6371
6372 /**
6373 * t4_load_mtus - write the MTU and congestion control HW tables
6374 * @adap: the adapter
6375 * @mtus: the values for the MTU table
6376 * @alpha: the values for the congestion control alpha parameter
6377 * @beta: the values for the congestion control beta parameter
6378 *
6379 * Write the HW MTU table with the supplied MTUs and the high-speed
6380 * congestion control table with the supplied alpha, beta, and MTUs.
6381 * We write the two tables together because the additive increments
6382 * depend on the MTUs.
6383 */
t4_load_mtus(struct adapter * adap,const unsigned short * mtus,const unsigned short * alpha,const unsigned short * beta)6384 void t4_load_mtus(struct adapter *adap, const unsigned short *mtus,
6385 const unsigned short *alpha, const unsigned short *beta)
6386 {
6387 static const unsigned int avg_pkts[NCCTRL_WIN] = {
6388 2, 6, 10, 14, 20, 28, 40, 56, 80, 112, 160, 224, 320, 448, 640,
6389 896, 1281, 1792, 2560, 3584, 5120, 7168, 10240, 14336, 20480,
6390 28672, 40960, 57344, 81920, 114688, 163840, 229376
6391 };
6392
6393 unsigned int i, w;
6394
6395 for (i = 0; i < NMTUS; ++i) {
6396 unsigned int mtu = mtus[i];
6397 unsigned int log2 = fls(mtu);
6398
6399 if (!(mtu & ((1 << log2) >> 2))) /* round */
6400 log2--;
6401 t4_write_reg(adap, A_TP_MTU_TABLE, V_MTUINDEX(i) |
6402 V_MTUWIDTH(log2) | V_MTUVALUE(mtu));
6403
6404 for (w = 0; w < NCCTRL_WIN; ++w) {
6405 unsigned int inc;
6406
6407 inc = max(((mtu - 40) * alpha[w]) / avg_pkts[w],
6408 CC_MIN_INCR);
6409
6410 t4_write_reg(adap, A_TP_CCTRL_TABLE, (i << 21) |
6411 (w << 16) | (beta[w] << 13) | inc);
6412 }
6413 }
6414 }
6415
6416 /**
6417 * t4_set_pace_tbl - set the pace table
6418 * @adap: the adapter
6419 * @pace_vals: the pace values in microseconds
6420 * @start: index of the first entry in the HW pace table to set
6421 * @n: how many entries to set
6422 *
6423 * Sets (a subset of the) HW pace table.
6424 */
t4_set_pace_tbl(struct adapter * adap,const unsigned int * pace_vals,unsigned int start,unsigned int n)6425 int t4_set_pace_tbl(struct adapter *adap, const unsigned int *pace_vals,
6426 unsigned int start, unsigned int n)
6427 {
6428 unsigned int vals[NTX_SCHED], i;
6429 unsigned int tick_ns = dack_ticks_to_usec(adap, 1000);
6430
6431 if (n > NTX_SCHED)
6432 return -ERANGE;
6433
6434 /* convert values from us to dack ticks, rounding to closest value */
6435 for (i = 0; i < n; i++, pace_vals++) {
6436 vals[i] = (1000 * *pace_vals + tick_ns / 2) / tick_ns;
6437 if (vals[i] > 0x7ff)
6438 return -ERANGE;
6439 if (*pace_vals && vals[i] == 0)
6440 return -ERANGE;
6441 }
6442 for (i = 0; i < n; i++, start++)
6443 t4_write_reg(adap, A_TP_PACE_TABLE, (start << 16) | vals[i]);
6444 return 0;
6445 }
6446
6447 /**
6448 * t4_set_sched_bps - set the bit rate for a HW traffic scheduler
6449 * @adap: the adapter
6450 * @kbps: target rate in Kbps
6451 * @sched: the scheduler index
6452 *
6453 * Configure a Tx HW scheduler for the target rate.
6454 */
t4_set_sched_bps(struct adapter * adap,int sched,unsigned int kbps)6455 int t4_set_sched_bps(struct adapter *adap, int sched, unsigned int kbps)
6456 {
6457 unsigned int v, tps, cpt, bpt, delta, mindelta = ~0;
6458 unsigned int clk = adap->params.vpd.cclk * 1000;
6459 unsigned int selected_cpt = 0, selected_bpt = 0;
6460
6461 if (kbps > 0) {
6462 kbps *= 125; /* -> bytes */
6463 for (cpt = 1; cpt <= 255; cpt++) {
6464 tps = clk / cpt;
6465 bpt = (kbps + tps / 2) / tps;
6466 if (bpt > 0 && bpt <= 255) {
6467 v = bpt * tps;
6468 delta = v >= kbps ? v - kbps : kbps - v;
6469 if (delta < mindelta) {
6470 mindelta = delta;
6471 selected_cpt = cpt;
6472 selected_bpt = bpt;
6473 }
6474 } else if (selected_cpt)
6475 break;
6476 }
6477 if (!selected_cpt)
6478 return -EINVAL;
6479 }
6480 t4_write_reg(adap, A_TP_TM_PIO_ADDR,
6481 A_TP_TX_MOD_Q1_Q0_RATE_LIMIT - sched / 2);
6482 v = t4_read_reg(adap, A_TP_TM_PIO_DATA);
6483 if (sched & 1)
6484 v = (v & 0xffff) | (selected_cpt << 16) | (selected_bpt << 24);
6485 else
6486 v = (v & 0xffff0000) | selected_cpt | (selected_bpt << 8);
6487 t4_write_reg(adap, A_TP_TM_PIO_DATA, v);
6488 return 0;
6489 }
6490
6491 /**
6492 * t4_set_sched_ipg - set the IPG for a Tx HW packet rate scheduler
6493 * @adap: the adapter
6494 * @sched: the scheduler index
6495 * @ipg: the interpacket delay in tenths of nanoseconds
6496 *
6497 * Set the interpacket delay for a HW packet rate scheduler.
6498 */
t4_set_sched_ipg(struct adapter * adap,int sched,unsigned int ipg)6499 int t4_set_sched_ipg(struct adapter *adap, int sched, unsigned int ipg)
6500 {
6501 unsigned int v, addr = A_TP_TX_MOD_Q1_Q0_TIMER_SEPARATOR - sched / 2;
6502
6503 /* convert ipg to nearest number of core clocks */
6504 ipg *= core_ticks_per_usec(adap);
6505 ipg = (ipg + 5000) / 10000;
6506 if (ipg > M_TXTIMERSEPQ0)
6507 return -EINVAL;
6508
6509 t4_write_reg(adap, A_TP_TM_PIO_ADDR, addr);
6510 v = t4_read_reg(adap, A_TP_TM_PIO_DATA);
6511 if (sched & 1)
6512 v = (v & V_TXTIMERSEPQ0(M_TXTIMERSEPQ0)) | V_TXTIMERSEPQ1(ipg);
6513 else
6514 v = (v & V_TXTIMERSEPQ1(M_TXTIMERSEPQ1)) | V_TXTIMERSEPQ0(ipg);
6515 t4_write_reg(adap, A_TP_TM_PIO_DATA, v);
6516 t4_read_reg(adap, A_TP_TM_PIO_DATA);
6517 return 0;
6518 }
6519
6520 /*
6521 * Calculates a rate in bytes/s given the number of 256-byte units per 4K core
6522 * clocks. The formula is
6523 *
6524 * bytes/s = bytes256 * 256 * ClkFreq / 4096
6525 *
6526 * which is equivalent to
6527 *
6528 * bytes/s = 62.5 * bytes256 * ClkFreq_ms
6529 */
chan_rate(struct adapter * adap,unsigned int bytes256)6530 static u64 chan_rate(struct adapter *adap, unsigned int bytes256)
6531 {
6532 u64 v = (u64)bytes256 * adap->params.vpd.cclk;
6533
6534 return v * 62 + v / 2;
6535 }
6536
6537 /**
6538 * t4_get_chan_txrate - get the current per channel Tx rates
6539 * @adap: the adapter
6540 * @nic_rate: rates for NIC traffic
6541 * @ofld_rate: rates for offloaded traffic
6542 *
6543 * Return the current Tx rates in bytes/s for NIC and offloaded traffic
6544 * for each channel.
6545 */
t4_get_chan_txrate(struct adapter * adap,u64 * nic_rate,u64 * ofld_rate)6546 void t4_get_chan_txrate(struct adapter *adap, u64 *nic_rate, u64 *ofld_rate)
6547 {
6548 u32 v;
6549
6550 v = t4_read_reg(adap, A_TP_TX_TRATE);
6551 nic_rate[0] = chan_rate(adap, G_TNLRATE0(v));
6552 nic_rate[1] = chan_rate(adap, G_TNLRATE1(v));
6553 if (adap->chip_params->nchan > 2) {
6554 nic_rate[2] = chan_rate(adap, G_TNLRATE2(v));
6555 nic_rate[3] = chan_rate(adap, G_TNLRATE3(v));
6556 }
6557
6558 v = t4_read_reg(adap, A_TP_TX_ORATE);
6559 ofld_rate[0] = chan_rate(adap, G_OFDRATE0(v));
6560 ofld_rate[1] = chan_rate(adap, G_OFDRATE1(v));
6561 if (adap->chip_params->nchan > 2) {
6562 ofld_rate[2] = chan_rate(adap, G_OFDRATE2(v));
6563 ofld_rate[3] = chan_rate(adap, G_OFDRATE3(v));
6564 }
6565 }
6566
6567 /**
6568 * t4_set_trace_filter - configure one of the tracing filters
6569 * @adap: the adapter
6570 * @tp: the desired trace filter parameters
6571 * @idx: which filter to configure
6572 * @enable: whether to enable or disable the filter
6573 *
6574 * Configures one of the tracing filters available in HW. If @tp is %NULL
6575 * it indicates that the filter is already written in the register and it
6576 * just needs to be enabled or disabled.
6577 */
t4_set_trace_filter(struct adapter * adap,const struct trace_params * tp,int idx,int enable)6578 int t4_set_trace_filter(struct adapter *adap, const struct trace_params *tp,
6579 int idx, int enable)
6580 {
6581 int i, ofst = idx * 4;
6582 u32 data_reg, mask_reg, cfg;
6583 u32 multitrc = F_TRCMULTIFILTER;
6584 u32 en = is_t4(adap) ? F_TFEN : F_T5_TFEN;
6585
6586 if (idx < 0 || idx >= NTRACE)
6587 return -EINVAL;
6588
6589 if (tp == NULL || !enable) {
6590 t4_set_reg_field(adap, A_MPS_TRC_FILTER_MATCH_CTL_A + ofst, en,
6591 enable ? en : 0);
6592 return 0;
6593 }
6594
6595 /*
6596 * TODO - After T4 data book is updated, specify the exact
6597 * section below.
6598 *
6599 * See T4 data book - MPS section for a complete description
6600 * of the below if..else handling of A_MPS_TRC_CFG register
6601 * value.
6602 */
6603 cfg = t4_read_reg(adap, A_MPS_TRC_CFG);
6604 if (cfg & F_TRCMULTIFILTER) {
6605 /*
6606 * If multiple tracers are enabled, then maximum
6607 * capture size is 2.5KB (FIFO size of a single channel)
6608 * minus 2 flits for CPL_TRACE_PKT header.
6609 */
6610 if (tp->snap_len > ((10 * 1024 / 4) - (2 * 8)))
6611 return -EINVAL;
6612 } else {
6613 /*
6614 * If multiple tracers are disabled, to avoid deadlocks
6615 * maximum packet capture size of 9600 bytes is recommended.
6616 * Also in this mode, only trace0 can be enabled and running.
6617 */
6618 multitrc = 0;
6619 if (tp->snap_len > 9600 || idx)
6620 return -EINVAL;
6621 }
6622
6623 if (tp->port > (is_t4(adap) ? 11 : 19) || tp->invert > 1 ||
6624 tp->skip_len > M_TFLENGTH || tp->skip_ofst > M_TFOFFSET ||
6625 tp->min_len > M_TFMINPKTSIZE)
6626 return -EINVAL;
6627
6628 /* stop the tracer we'll be changing */
6629 t4_set_reg_field(adap, A_MPS_TRC_FILTER_MATCH_CTL_A + ofst, en, 0);
6630
6631 idx *= (A_MPS_TRC_FILTER1_MATCH - A_MPS_TRC_FILTER0_MATCH);
6632 data_reg = A_MPS_TRC_FILTER0_MATCH + idx;
6633 mask_reg = A_MPS_TRC_FILTER0_DONT_CARE + idx;
6634
6635 for (i = 0; i < TRACE_LEN / 4; i++, data_reg += 4, mask_reg += 4) {
6636 t4_write_reg(adap, data_reg, tp->data[i]);
6637 t4_write_reg(adap, mask_reg, ~tp->mask[i]);
6638 }
6639 t4_write_reg(adap, A_MPS_TRC_FILTER_MATCH_CTL_B + ofst,
6640 V_TFCAPTUREMAX(tp->snap_len) |
6641 V_TFMINPKTSIZE(tp->min_len));
6642 t4_write_reg(adap, A_MPS_TRC_FILTER_MATCH_CTL_A + ofst,
6643 V_TFOFFSET(tp->skip_ofst) | V_TFLENGTH(tp->skip_len) | en |
6644 (is_t4(adap) ?
6645 V_TFPORT(tp->port) | V_TFINVERTMATCH(tp->invert) :
6646 V_T5_TFPORT(tp->port) | V_T5_TFINVERTMATCH(tp->invert)));
6647
6648 return 0;
6649 }
6650
6651 /**
6652 * t4_get_trace_filter - query one of the tracing filters
6653 * @adap: the adapter
6654 * @tp: the current trace filter parameters
6655 * @idx: which trace filter to query
6656 * @enabled: non-zero if the filter is enabled
6657 *
6658 * Returns the current settings of one of the HW tracing filters.
6659 */
t4_get_trace_filter(struct adapter * adap,struct trace_params * tp,int idx,int * enabled)6660 void t4_get_trace_filter(struct adapter *adap, struct trace_params *tp, int idx,
6661 int *enabled)
6662 {
6663 u32 ctla, ctlb;
6664 int i, ofst = idx * 4;
6665 u32 data_reg, mask_reg;
6666
6667 ctla = t4_read_reg(adap, A_MPS_TRC_FILTER_MATCH_CTL_A + ofst);
6668 ctlb = t4_read_reg(adap, A_MPS_TRC_FILTER_MATCH_CTL_B + ofst);
6669
6670 if (is_t4(adap)) {
6671 *enabled = !!(ctla & F_TFEN);
6672 tp->port = G_TFPORT(ctla);
6673 tp->invert = !!(ctla & F_TFINVERTMATCH);
6674 } else {
6675 *enabled = !!(ctla & F_T5_TFEN);
6676 tp->port = G_T5_TFPORT(ctla);
6677 tp->invert = !!(ctla & F_T5_TFINVERTMATCH);
6678 }
6679 tp->snap_len = G_TFCAPTUREMAX(ctlb);
6680 tp->min_len = G_TFMINPKTSIZE(ctlb);
6681 tp->skip_ofst = G_TFOFFSET(ctla);
6682 tp->skip_len = G_TFLENGTH(ctla);
6683
6684 ofst = (A_MPS_TRC_FILTER1_MATCH - A_MPS_TRC_FILTER0_MATCH) * idx;
6685 data_reg = A_MPS_TRC_FILTER0_MATCH + ofst;
6686 mask_reg = A_MPS_TRC_FILTER0_DONT_CARE + ofst;
6687
6688 for (i = 0; i < TRACE_LEN / 4; i++, data_reg += 4, mask_reg += 4) {
6689 tp->mask[i] = ~t4_read_reg(adap, mask_reg);
6690 tp->data[i] = t4_read_reg(adap, data_reg) & tp->mask[i];
6691 }
6692 }
6693
6694 /**
6695 * t4_pmtx_get_stats - returns the HW stats from PMTX
6696 * @adap: the adapter
6697 * @cnt: where to store the count statistics
6698 * @cycles: where to store the cycle statistics
6699 *
6700 * Returns performance statistics from PMTX.
6701 */
t4_pmtx_get_stats(struct adapter * adap,u32 cnt[],u64 cycles[])6702 void t4_pmtx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[])
6703 {
6704 int i;
6705 u32 data[2];
6706
6707 for (i = 0; i < adap->chip_params->pm_stats_cnt; i++) {
6708 t4_write_reg(adap, A_PM_TX_STAT_CONFIG, i + 1);
6709 cnt[i] = t4_read_reg(adap, A_PM_TX_STAT_COUNT);
6710 if (is_t4(adap))
6711 cycles[i] = t4_read_reg64(adap, A_PM_TX_STAT_LSB);
6712 else {
6713 t4_read_indirect(adap, A_PM_TX_DBG_CTRL,
6714 A_PM_TX_DBG_DATA, data, 2,
6715 A_PM_TX_DBG_STAT_MSB);
6716 cycles[i] = (((u64)data[0] << 32) | data[1]);
6717 }
6718 }
6719 }
6720
6721 /**
6722 * t4_pmrx_get_stats - returns the HW stats from PMRX
6723 * @adap: the adapter
6724 * @cnt: where to store the count statistics
6725 * @cycles: where to store the cycle statistics
6726 *
6727 * Returns performance statistics from PMRX.
6728 */
t4_pmrx_get_stats(struct adapter * adap,u32 cnt[],u64 cycles[])6729 void t4_pmrx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[])
6730 {
6731 int i;
6732 u32 data[2];
6733
6734 for (i = 0; i < adap->chip_params->pm_stats_cnt; i++) {
6735 t4_write_reg(adap, A_PM_RX_STAT_CONFIG, i + 1);
6736 cnt[i] = t4_read_reg(adap, A_PM_RX_STAT_COUNT);
6737 if (is_t4(adap)) {
6738 cycles[i] = t4_read_reg64(adap, A_PM_RX_STAT_LSB);
6739 } else {
6740 t4_read_indirect(adap, A_PM_RX_DBG_CTRL,
6741 A_PM_RX_DBG_DATA, data, 2,
6742 A_PM_RX_DBG_STAT_MSB);
6743 cycles[i] = (((u64)data[0] << 32) | data[1]);
6744 }
6745 }
6746 }
6747
6748 /**
6749 * t4_get_mps_bg_map - return the buffer groups associated with a port
6750 * @adap: the adapter
6751 * @idx: the port index
6752 *
6753 * Returns a bitmap indicating which MPS buffer groups are associated
6754 * with the given port. Bit i is set if buffer group i is used by the
6755 * port.
6756 */
t4_get_mps_bg_map(struct adapter * adap,int idx)6757 static unsigned int t4_get_mps_bg_map(struct adapter *adap, int idx)
6758 {
6759 u32 n;
6760
6761 if (adap->params.mps_bg_map)
6762 return ((adap->params.mps_bg_map >> (idx << 3)) & 0xff);
6763
6764 n = G_NUMPORTS(t4_read_reg(adap, A_MPS_CMN_CTL));
6765 if (n == 0)
6766 return idx == 0 ? 0xf : 0;
6767 if (n == 1 && chip_id(adap) <= CHELSIO_T5)
6768 return idx < 2 ? (3 << (2 * idx)) : 0;
6769 return 1 << idx;
6770 }
6771
6772 /*
6773 * TP RX e-channels associated with the port.
6774 */
t4_get_rx_e_chan_map(struct adapter * adap,int idx)6775 static unsigned int t4_get_rx_e_chan_map(struct adapter *adap, int idx)
6776 {
6777 u32 n = G_NUMPORTS(t4_read_reg(adap, A_MPS_CMN_CTL));
6778 const u32 all_chan = (1 << adap->chip_params->nchan) - 1;
6779
6780 if (n == 0)
6781 return idx == 0 ? all_chan : 0;
6782 if (n == 1 && chip_id(adap) <= CHELSIO_T5)
6783 return idx < 2 ? (3 << (2 * idx)) : 0;
6784 return 1 << idx;
6785 }
6786
6787 /**
6788 * t4_get_port_type_description - return Port Type string description
6789 * @port_type: firmware Port Type enumeration
6790 */
t4_get_port_type_description(enum fw_port_type port_type)6791 const char *t4_get_port_type_description(enum fw_port_type port_type)
6792 {
6793 static const char *const port_type_description[] = {
6794 "Fiber_XFI",
6795 "Fiber_XAUI",
6796 "BT_SGMII",
6797 "BT_XFI",
6798 "BT_XAUI",
6799 "KX4",
6800 "CX4",
6801 "KX",
6802 "KR",
6803 "SFP",
6804 "BP_AP",
6805 "BP4_AP",
6806 "QSFP_10G",
6807 "QSA",
6808 "QSFP",
6809 "BP40_BA",
6810 "KR4_100G",
6811 "CR4_QSFP",
6812 "CR_QSFP",
6813 "CR2_QSFP",
6814 "SFP28",
6815 "KR_SFP28",
6816 };
6817
6818 if (port_type < ARRAY_SIZE(port_type_description))
6819 return port_type_description[port_type];
6820 return "UNKNOWN";
6821 }
6822
6823 /**
6824 * t4_get_port_stats_offset - collect port stats relative to a previous
6825 * snapshot
6826 * @adap: The adapter
6827 * @idx: The port
6828 * @stats: Current stats to fill
6829 * @offset: Previous stats snapshot
6830 */
t4_get_port_stats_offset(struct adapter * adap,int idx,struct port_stats * stats,struct port_stats * offset)6831 void t4_get_port_stats_offset(struct adapter *adap, int idx,
6832 struct port_stats *stats,
6833 struct port_stats *offset)
6834 {
6835 u64 *s, *o;
6836 int i;
6837
6838 t4_get_port_stats(adap, idx, stats);
6839 for (i = 0, s = (u64 *)stats, o = (u64 *)offset ;
6840 i < (sizeof(struct port_stats)/sizeof(u64)) ;
6841 i++, s++, o++)
6842 *s -= *o;
6843 }
6844
6845 /**
6846 * t4_get_port_stats - collect port statistics
6847 * @adap: the adapter
6848 * @idx: the port index
6849 * @p: the stats structure to fill
6850 *
6851 * Collect statistics related to the given port from HW.
6852 */
t4_get_port_stats(struct adapter * adap,int idx,struct port_stats * p)6853 void t4_get_port_stats(struct adapter *adap, int idx, struct port_stats *p)
6854 {
6855 struct port_info *pi = adap->port[idx];
6856 u32 bgmap = pi->mps_bg_map;
6857 u32 stat_ctl = t4_read_reg(adap, A_MPS_STAT_CTL);
6858
6859 #define GET_STAT(name) \
6860 t4_read_reg64(adap, \
6861 (is_t4(adap) ? PORT_REG(idx, A_MPS_PORT_STAT_##name##_L) : \
6862 T5_PORT_REG(idx, A_MPS_PORT_STAT_##name##_L)))
6863 #define GET_STAT_COM(name) t4_read_reg64(adap, A_MPS_STAT_##name##_L)
6864
6865 p->tx_pause = GET_STAT(TX_PORT_PAUSE);
6866 p->tx_octets = GET_STAT(TX_PORT_BYTES);
6867 p->tx_frames = GET_STAT(TX_PORT_FRAMES);
6868 p->tx_bcast_frames = GET_STAT(TX_PORT_BCAST);
6869 p->tx_mcast_frames = GET_STAT(TX_PORT_MCAST);
6870 p->tx_ucast_frames = GET_STAT(TX_PORT_UCAST);
6871 p->tx_error_frames = GET_STAT(TX_PORT_ERROR);
6872 p->tx_frames_64 = GET_STAT(TX_PORT_64B);
6873 p->tx_frames_65_127 = GET_STAT(TX_PORT_65B_127B);
6874 p->tx_frames_128_255 = GET_STAT(TX_PORT_128B_255B);
6875 p->tx_frames_256_511 = GET_STAT(TX_PORT_256B_511B);
6876 p->tx_frames_512_1023 = GET_STAT(TX_PORT_512B_1023B);
6877 p->tx_frames_1024_1518 = GET_STAT(TX_PORT_1024B_1518B);
6878 p->tx_frames_1519_max = GET_STAT(TX_PORT_1519B_MAX);
6879 p->tx_drop = GET_STAT(TX_PORT_DROP);
6880 p->tx_ppp0 = GET_STAT(TX_PORT_PPP0);
6881 p->tx_ppp1 = GET_STAT(TX_PORT_PPP1);
6882 p->tx_ppp2 = GET_STAT(TX_PORT_PPP2);
6883 p->tx_ppp3 = GET_STAT(TX_PORT_PPP3);
6884 p->tx_ppp4 = GET_STAT(TX_PORT_PPP4);
6885 p->tx_ppp5 = GET_STAT(TX_PORT_PPP5);
6886 p->tx_ppp6 = GET_STAT(TX_PORT_PPP6);
6887 p->tx_ppp7 = GET_STAT(TX_PORT_PPP7);
6888
6889 if (chip_id(adap) >= CHELSIO_T5) {
6890 if (stat_ctl & F_COUNTPAUSESTATTX) {
6891 p->tx_frames -= p->tx_pause;
6892 p->tx_octets -= p->tx_pause * 64;
6893 }
6894 if (stat_ctl & F_COUNTPAUSEMCTX)
6895 p->tx_mcast_frames -= p->tx_pause;
6896 }
6897
6898 p->rx_pause = GET_STAT(RX_PORT_PAUSE);
6899 p->rx_octets = GET_STAT(RX_PORT_BYTES);
6900 p->rx_frames = GET_STAT(RX_PORT_FRAMES);
6901 p->rx_bcast_frames = GET_STAT(RX_PORT_BCAST);
6902 p->rx_mcast_frames = GET_STAT(RX_PORT_MCAST);
6903 p->rx_ucast_frames = GET_STAT(RX_PORT_UCAST);
6904 p->rx_too_long = GET_STAT(RX_PORT_MTU_ERROR);
6905 p->rx_jabber = GET_STAT(RX_PORT_MTU_CRC_ERROR);
6906 p->rx_len_err = GET_STAT(RX_PORT_LEN_ERROR);
6907 p->rx_symbol_err = GET_STAT(RX_PORT_SYM_ERROR);
6908 p->rx_runt = GET_STAT(RX_PORT_LESS_64B);
6909 p->rx_frames_64 = GET_STAT(RX_PORT_64B);
6910 p->rx_frames_65_127 = GET_STAT(RX_PORT_65B_127B);
6911 p->rx_frames_128_255 = GET_STAT(RX_PORT_128B_255B);
6912 p->rx_frames_256_511 = GET_STAT(RX_PORT_256B_511B);
6913 p->rx_frames_512_1023 = GET_STAT(RX_PORT_512B_1023B);
6914 p->rx_frames_1024_1518 = GET_STAT(RX_PORT_1024B_1518B);
6915 p->rx_frames_1519_max = GET_STAT(RX_PORT_1519B_MAX);
6916 p->rx_ppp0 = GET_STAT(RX_PORT_PPP0);
6917 p->rx_ppp1 = GET_STAT(RX_PORT_PPP1);
6918 p->rx_ppp2 = GET_STAT(RX_PORT_PPP2);
6919 p->rx_ppp3 = GET_STAT(RX_PORT_PPP3);
6920 p->rx_ppp4 = GET_STAT(RX_PORT_PPP4);
6921 p->rx_ppp5 = GET_STAT(RX_PORT_PPP5);
6922 p->rx_ppp6 = GET_STAT(RX_PORT_PPP6);
6923 p->rx_ppp7 = GET_STAT(RX_PORT_PPP7);
6924
6925 if (pi->fcs_reg != -1)
6926 p->rx_fcs_err = t4_read_reg64(adap, pi->fcs_reg) - pi->fcs_base;
6927
6928 if (chip_id(adap) >= CHELSIO_T5) {
6929 if (stat_ctl & F_COUNTPAUSESTATRX) {
6930 p->rx_frames -= p->rx_pause;
6931 p->rx_octets -= p->rx_pause * 64;
6932 }
6933 if (stat_ctl & F_COUNTPAUSEMCRX)
6934 p->rx_mcast_frames -= p->rx_pause;
6935 }
6936
6937 p->rx_ovflow0 = (bgmap & 1) ? GET_STAT_COM(RX_BG_0_MAC_DROP_FRAME) : 0;
6938 p->rx_ovflow1 = (bgmap & 2) ? GET_STAT_COM(RX_BG_1_MAC_DROP_FRAME) : 0;
6939 p->rx_ovflow2 = (bgmap & 4) ? GET_STAT_COM(RX_BG_2_MAC_DROP_FRAME) : 0;
6940 p->rx_ovflow3 = (bgmap & 8) ? GET_STAT_COM(RX_BG_3_MAC_DROP_FRAME) : 0;
6941 p->rx_trunc0 = (bgmap & 1) ? GET_STAT_COM(RX_BG_0_MAC_TRUNC_FRAME) : 0;
6942 p->rx_trunc1 = (bgmap & 2) ? GET_STAT_COM(RX_BG_1_MAC_TRUNC_FRAME) : 0;
6943 p->rx_trunc2 = (bgmap & 4) ? GET_STAT_COM(RX_BG_2_MAC_TRUNC_FRAME) : 0;
6944 p->rx_trunc3 = (bgmap & 8) ? GET_STAT_COM(RX_BG_3_MAC_TRUNC_FRAME) : 0;
6945
6946 #undef GET_STAT
6947 #undef GET_STAT_COM
6948 }
6949
6950 /**
6951 * t4_get_lb_stats - collect loopback port statistics
6952 * @adap: the adapter
6953 * @idx: the loopback port index
6954 * @p: the stats structure to fill
6955 *
6956 * Return HW statistics for the given loopback port.
6957 */
t4_get_lb_stats(struct adapter * adap,int idx,struct lb_port_stats * p)6958 void t4_get_lb_stats(struct adapter *adap, int idx, struct lb_port_stats *p)
6959 {
6960
6961 #define GET_STAT(name) \
6962 t4_read_reg64(adap, \
6963 (is_t4(adap) ? \
6964 PORT_REG(idx, A_MPS_PORT_STAT_LB_PORT_##name##_L) : \
6965 T5_PORT_REG(idx, A_MPS_PORT_STAT_LB_PORT_##name##_L)))
6966 #define GET_STAT_COM(name) t4_read_reg64(adap, A_MPS_STAT_##name##_L)
6967
6968 p->octets = GET_STAT(BYTES);
6969 p->frames = GET_STAT(FRAMES);
6970 p->bcast_frames = GET_STAT(BCAST);
6971 p->mcast_frames = GET_STAT(MCAST);
6972 p->ucast_frames = GET_STAT(UCAST);
6973 p->error_frames = GET_STAT(ERROR);
6974
6975 p->frames_64 = GET_STAT(64B);
6976 p->frames_65_127 = GET_STAT(65B_127B);
6977 p->frames_128_255 = GET_STAT(128B_255B);
6978 p->frames_256_511 = GET_STAT(256B_511B);
6979 p->frames_512_1023 = GET_STAT(512B_1023B);
6980 p->frames_1024_1518 = GET_STAT(1024B_1518B);
6981 p->frames_1519_max = GET_STAT(1519B_MAX);
6982 p->drop = GET_STAT(DROP_FRAMES);
6983
6984 if (idx < adap->params.nports) {
6985 u32 bg = adap2pinfo(adap, idx)->mps_bg_map;
6986
6987 p->ovflow0 = (bg & 1) ? GET_STAT_COM(RX_BG_0_LB_DROP_FRAME) : 0;
6988 p->ovflow1 = (bg & 2) ? GET_STAT_COM(RX_BG_1_LB_DROP_FRAME) : 0;
6989 p->ovflow2 = (bg & 4) ? GET_STAT_COM(RX_BG_2_LB_DROP_FRAME) : 0;
6990 p->ovflow3 = (bg & 8) ? GET_STAT_COM(RX_BG_3_LB_DROP_FRAME) : 0;
6991 p->trunc0 = (bg & 1) ? GET_STAT_COM(RX_BG_0_LB_TRUNC_FRAME) : 0;
6992 p->trunc1 = (bg & 2) ? GET_STAT_COM(RX_BG_1_LB_TRUNC_FRAME) : 0;
6993 p->trunc2 = (bg & 4) ? GET_STAT_COM(RX_BG_2_LB_TRUNC_FRAME) : 0;
6994 p->trunc3 = (bg & 8) ? GET_STAT_COM(RX_BG_3_LB_TRUNC_FRAME) : 0;
6995 }
6996
6997 #undef GET_STAT
6998 #undef GET_STAT_COM
6999 }
7000
7001 /**
7002 * t4_wol_magic_enable - enable/disable magic packet WoL
7003 * @adap: the adapter
7004 * @port: the physical port index
7005 * @addr: MAC address expected in magic packets, %NULL to disable
7006 *
7007 * Enables/disables magic packet wake-on-LAN for the selected port.
7008 */
t4_wol_magic_enable(struct adapter * adap,unsigned int port,const u8 * addr)7009 void t4_wol_magic_enable(struct adapter *adap, unsigned int port,
7010 const u8 *addr)
7011 {
7012 u32 mag_id_reg_l, mag_id_reg_h, port_cfg_reg;
7013
7014 if (is_t4(adap)) {
7015 mag_id_reg_l = PORT_REG(port, A_XGMAC_PORT_MAGIC_MACID_LO);
7016 mag_id_reg_h = PORT_REG(port, A_XGMAC_PORT_MAGIC_MACID_HI);
7017 port_cfg_reg = PORT_REG(port, A_XGMAC_PORT_CFG2);
7018 } else {
7019 mag_id_reg_l = T5_PORT_REG(port, A_MAC_PORT_MAGIC_MACID_LO);
7020 mag_id_reg_h = T5_PORT_REG(port, A_MAC_PORT_MAGIC_MACID_HI);
7021 port_cfg_reg = T5_PORT_REG(port, A_MAC_PORT_CFG2);
7022 }
7023
7024 if (addr) {
7025 t4_write_reg(adap, mag_id_reg_l,
7026 (addr[2] << 24) | (addr[3] << 16) |
7027 (addr[4] << 8) | addr[5]);
7028 t4_write_reg(adap, mag_id_reg_h,
7029 (addr[0] << 8) | addr[1]);
7030 }
7031 t4_set_reg_field(adap, port_cfg_reg, F_MAGICEN,
7032 V_MAGICEN(addr != NULL));
7033 }
7034
7035 /**
7036 * t4_wol_pat_enable - enable/disable pattern-based WoL
7037 * @adap: the adapter
7038 * @port: the physical port index
7039 * @map: bitmap of which HW pattern filters to set
7040 * @mask0: byte mask for bytes 0-63 of a packet
7041 * @mask1: byte mask for bytes 64-127 of a packet
7042 * @crc: Ethernet CRC for selected bytes
7043 * @enable: enable/disable switch
7044 *
7045 * Sets the pattern filters indicated in @map to mask out the bytes
7046 * specified in @mask0/@mask1 in received packets and compare the CRC of
7047 * the resulting packet against @crc. If @enable is %true pattern-based
7048 * WoL is enabled, otherwise disabled.
7049 */
t4_wol_pat_enable(struct adapter * adap,unsigned int port,unsigned int map,u64 mask0,u64 mask1,unsigned int crc,bool enable)7050 int t4_wol_pat_enable(struct adapter *adap, unsigned int port, unsigned int map,
7051 u64 mask0, u64 mask1, unsigned int crc, bool enable)
7052 {
7053 int i;
7054 u32 port_cfg_reg;
7055
7056 if (is_t4(adap))
7057 port_cfg_reg = PORT_REG(port, A_XGMAC_PORT_CFG2);
7058 else
7059 port_cfg_reg = T5_PORT_REG(port, A_MAC_PORT_CFG2);
7060
7061 if (!enable) {
7062 t4_set_reg_field(adap, port_cfg_reg, F_PATEN, 0);
7063 return 0;
7064 }
7065 if (map > 0xff)
7066 return -EINVAL;
7067
7068 #define EPIO_REG(name) \
7069 (is_t4(adap) ? PORT_REG(port, A_XGMAC_PORT_EPIO_##name) : \
7070 T5_PORT_REG(port, A_MAC_PORT_EPIO_##name))
7071
7072 t4_write_reg(adap, EPIO_REG(DATA1), mask0 >> 32);
7073 t4_write_reg(adap, EPIO_REG(DATA2), mask1);
7074 t4_write_reg(adap, EPIO_REG(DATA3), mask1 >> 32);
7075
7076 for (i = 0; i < NWOL_PAT; i++, map >>= 1) {
7077 if (!(map & 1))
7078 continue;
7079
7080 /* write byte masks */
7081 t4_write_reg(adap, EPIO_REG(DATA0), mask0);
7082 t4_write_reg(adap, EPIO_REG(OP), V_ADDRESS(i) | F_EPIOWR);
7083 t4_read_reg(adap, EPIO_REG(OP)); /* flush */
7084 if (t4_read_reg(adap, EPIO_REG(OP)) & F_BUSY)
7085 return -ETIMEDOUT;
7086
7087 /* write CRC */
7088 t4_write_reg(adap, EPIO_REG(DATA0), crc);
7089 t4_write_reg(adap, EPIO_REG(OP), V_ADDRESS(i + 32) | F_EPIOWR);
7090 t4_read_reg(adap, EPIO_REG(OP)); /* flush */
7091 if (t4_read_reg(adap, EPIO_REG(OP)) & F_BUSY)
7092 return -ETIMEDOUT;
7093 }
7094 #undef EPIO_REG
7095
7096 t4_set_reg_field(adap, port_cfg_reg, 0, F_PATEN);
7097 return 0;
7098 }
7099
7100 /* t4_mk_filtdelwr - create a delete filter WR
7101 * @ftid: the filter ID
7102 * @wr: the filter work request to populate
7103 * @qid: ingress queue to receive the delete notification
7104 *
7105 * Creates a filter work request to delete the supplied filter. If @qid is
7106 * negative the delete notification is suppressed.
7107 */
t4_mk_filtdelwr(unsigned int ftid,struct fw_filter_wr * wr,int qid)7108 void t4_mk_filtdelwr(unsigned int ftid, struct fw_filter_wr *wr, int qid)
7109 {
7110 memset(wr, 0, sizeof(*wr));
7111 wr->op_pkd = cpu_to_be32(V_FW_WR_OP(FW_FILTER_WR));
7112 wr->len16_pkd = cpu_to_be32(V_FW_WR_LEN16(sizeof(*wr) / 16));
7113 wr->tid_to_iq = cpu_to_be32(V_FW_FILTER_WR_TID(ftid) |
7114 V_FW_FILTER_WR_NOREPLY(qid < 0));
7115 wr->del_filter_to_l2tix = cpu_to_be32(F_FW_FILTER_WR_DEL_FILTER);
7116 if (qid >= 0)
7117 wr->rx_chan_rx_rpl_iq =
7118 cpu_to_be16(V_FW_FILTER_WR_RX_RPL_IQ(qid));
7119 }
7120
7121 #define INIT_CMD(var, cmd, rd_wr) do { \
7122 (var).op_to_write = cpu_to_be32(V_FW_CMD_OP(FW_##cmd##_CMD) | \
7123 F_FW_CMD_REQUEST | \
7124 F_FW_CMD_##rd_wr); \
7125 (var).retval_len16 = cpu_to_be32(FW_LEN16(var)); \
7126 } while (0)
7127
t4_fwaddrspace_write(struct adapter * adap,unsigned int mbox,u32 addr,u32 val)7128 int t4_fwaddrspace_write(struct adapter *adap, unsigned int mbox,
7129 u32 addr, u32 val)
7130 {
7131 u32 ldst_addrspace;
7132 struct fw_ldst_cmd c;
7133
7134 memset(&c, 0, sizeof(c));
7135 ldst_addrspace = V_FW_LDST_CMD_ADDRSPACE(FW_LDST_ADDRSPC_FIRMWARE);
7136 c.op_to_addrspace = cpu_to_be32(V_FW_CMD_OP(FW_LDST_CMD) |
7137 F_FW_CMD_REQUEST |
7138 F_FW_CMD_WRITE |
7139 ldst_addrspace);
7140 c.cycles_to_len16 = cpu_to_be32(FW_LEN16(c));
7141 c.u.addrval.addr = cpu_to_be32(addr);
7142 c.u.addrval.val = cpu_to_be32(val);
7143
7144 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
7145 }
7146
7147 /**
7148 * t4_mdio_rd - read a PHY register through MDIO
7149 * @adap: the adapter
7150 * @mbox: mailbox to use for the FW command
7151 * @phy_addr: the PHY address
7152 * @mmd: the PHY MMD to access (0 for clause 22 PHYs)
7153 * @reg: the register to read
7154 * @valp: where to store the value
7155 *
7156 * Issues a FW command through the given mailbox to read a PHY register.
7157 */
t4_mdio_rd(struct adapter * adap,unsigned int mbox,unsigned int phy_addr,unsigned int mmd,unsigned int reg,unsigned int * valp)7158 int t4_mdio_rd(struct adapter *adap, unsigned int mbox, unsigned int phy_addr,
7159 unsigned int mmd, unsigned int reg, unsigned int *valp)
7160 {
7161 int ret;
7162 u32 ldst_addrspace;
7163 struct fw_ldst_cmd c;
7164
7165 memset(&c, 0, sizeof(c));
7166 ldst_addrspace = V_FW_LDST_CMD_ADDRSPACE(FW_LDST_ADDRSPC_MDIO);
7167 c.op_to_addrspace = cpu_to_be32(V_FW_CMD_OP(FW_LDST_CMD) |
7168 F_FW_CMD_REQUEST | F_FW_CMD_READ |
7169 ldst_addrspace);
7170 c.cycles_to_len16 = cpu_to_be32(FW_LEN16(c));
7171 c.u.mdio.paddr_mmd = cpu_to_be16(V_FW_LDST_CMD_PADDR(phy_addr) |
7172 V_FW_LDST_CMD_MMD(mmd));
7173 c.u.mdio.raddr = cpu_to_be16(reg);
7174
7175 ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
7176 if (ret == 0)
7177 *valp = be16_to_cpu(c.u.mdio.rval);
7178 return ret;
7179 }
7180
7181 /**
7182 * t4_mdio_wr - write a PHY register through MDIO
7183 * @adap: the adapter
7184 * @mbox: mailbox to use for the FW command
7185 * @phy_addr: the PHY address
7186 * @mmd: the PHY MMD to access (0 for clause 22 PHYs)
7187 * @reg: the register to write
7188 * @valp: value to write
7189 *
7190 * Issues a FW command through the given mailbox to write a PHY register.
7191 */
t4_mdio_wr(struct adapter * adap,unsigned int mbox,unsigned int phy_addr,unsigned int mmd,unsigned int reg,unsigned int val)7192 int t4_mdio_wr(struct adapter *adap, unsigned int mbox, unsigned int phy_addr,
7193 unsigned int mmd, unsigned int reg, unsigned int val)
7194 {
7195 u32 ldst_addrspace;
7196 struct fw_ldst_cmd c;
7197
7198 memset(&c, 0, sizeof(c));
7199 ldst_addrspace = V_FW_LDST_CMD_ADDRSPACE(FW_LDST_ADDRSPC_MDIO);
7200 c.op_to_addrspace = cpu_to_be32(V_FW_CMD_OP(FW_LDST_CMD) |
7201 F_FW_CMD_REQUEST | F_FW_CMD_WRITE |
7202 ldst_addrspace);
7203 c.cycles_to_len16 = cpu_to_be32(FW_LEN16(c));
7204 c.u.mdio.paddr_mmd = cpu_to_be16(V_FW_LDST_CMD_PADDR(phy_addr) |
7205 V_FW_LDST_CMD_MMD(mmd));
7206 c.u.mdio.raddr = cpu_to_be16(reg);
7207 c.u.mdio.rval = cpu_to_be16(val);
7208
7209 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
7210 }
7211
7212 /**
7213 *
7214 * t4_sge_decode_idma_state - decode the idma state
7215 * @adap: the adapter
7216 * @state: the state idma is stuck in
7217 */
t4_sge_decode_idma_state(struct adapter * adapter,int state)7218 void t4_sge_decode_idma_state(struct adapter *adapter, int state)
7219 {
7220 static const char * const t4_decode[] = {
7221 "IDMA_IDLE",
7222 "IDMA_PUSH_MORE_CPL_FIFO",
7223 "IDMA_PUSH_CPL_MSG_HEADER_TO_FIFO",
7224 "Not used",
7225 "IDMA_PHYSADDR_SEND_PCIEHDR",
7226 "IDMA_PHYSADDR_SEND_PAYLOAD_FIRST",
7227 "IDMA_PHYSADDR_SEND_PAYLOAD",
7228 "IDMA_SEND_FIFO_TO_IMSG",
7229 "IDMA_FL_REQ_DATA_FL_PREP",
7230 "IDMA_FL_REQ_DATA_FL",
7231 "IDMA_FL_DROP",
7232 "IDMA_FL_H_REQ_HEADER_FL",
7233 "IDMA_FL_H_SEND_PCIEHDR",
7234 "IDMA_FL_H_PUSH_CPL_FIFO",
7235 "IDMA_FL_H_SEND_CPL",
7236 "IDMA_FL_H_SEND_IP_HDR_FIRST",
7237 "IDMA_FL_H_SEND_IP_HDR",
7238 "IDMA_FL_H_REQ_NEXT_HEADER_FL",
7239 "IDMA_FL_H_SEND_NEXT_PCIEHDR",
7240 "IDMA_FL_H_SEND_IP_HDR_PADDING",
7241 "IDMA_FL_D_SEND_PCIEHDR",
7242 "IDMA_FL_D_SEND_CPL_AND_IP_HDR",
7243 "IDMA_FL_D_REQ_NEXT_DATA_FL",
7244 "IDMA_FL_SEND_PCIEHDR",
7245 "IDMA_FL_PUSH_CPL_FIFO",
7246 "IDMA_FL_SEND_CPL",
7247 "IDMA_FL_SEND_PAYLOAD_FIRST",
7248 "IDMA_FL_SEND_PAYLOAD",
7249 "IDMA_FL_REQ_NEXT_DATA_FL",
7250 "IDMA_FL_SEND_NEXT_PCIEHDR",
7251 "IDMA_FL_SEND_PADDING",
7252 "IDMA_FL_SEND_COMPLETION_TO_IMSG",
7253 "IDMA_FL_SEND_FIFO_TO_IMSG",
7254 "IDMA_FL_REQ_DATAFL_DONE",
7255 "IDMA_FL_REQ_HEADERFL_DONE",
7256 };
7257 static const char * const t5_decode[] = {
7258 "IDMA_IDLE",
7259 "IDMA_ALMOST_IDLE",
7260 "IDMA_PUSH_MORE_CPL_FIFO",
7261 "IDMA_PUSH_CPL_MSG_HEADER_TO_FIFO",
7262 "IDMA_SGEFLRFLUSH_SEND_PCIEHDR",
7263 "IDMA_PHYSADDR_SEND_PCIEHDR",
7264 "IDMA_PHYSADDR_SEND_PAYLOAD_FIRST",
7265 "IDMA_PHYSADDR_SEND_PAYLOAD",
7266 "IDMA_SEND_FIFO_TO_IMSG",
7267 "IDMA_FL_REQ_DATA_FL",
7268 "IDMA_FL_DROP",
7269 "IDMA_FL_DROP_SEND_INC",
7270 "IDMA_FL_H_REQ_HEADER_FL",
7271 "IDMA_FL_H_SEND_PCIEHDR",
7272 "IDMA_FL_H_PUSH_CPL_FIFO",
7273 "IDMA_FL_H_SEND_CPL",
7274 "IDMA_FL_H_SEND_IP_HDR_FIRST",
7275 "IDMA_FL_H_SEND_IP_HDR",
7276 "IDMA_FL_H_REQ_NEXT_HEADER_FL",
7277 "IDMA_FL_H_SEND_NEXT_PCIEHDR",
7278 "IDMA_FL_H_SEND_IP_HDR_PADDING",
7279 "IDMA_FL_D_SEND_PCIEHDR",
7280 "IDMA_FL_D_SEND_CPL_AND_IP_HDR",
7281 "IDMA_FL_D_REQ_NEXT_DATA_FL",
7282 "IDMA_FL_SEND_PCIEHDR",
7283 "IDMA_FL_PUSH_CPL_FIFO",
7284 "IDMA_FL_SEND_CPL",
7285 "IDMA_FL_SEND_PAYLOAD_FIRST",
7286 "IDMA_FL_SEND_PAYLOAD",
7287 "IDMA_FL_REQ_NEXT_DATA_FL",
7288 "IDMA_FL_SEND_NEXT_PCIEHDR",
7289 "IDMA_FL_SEND_PADDING",
7290 "IDMA_FL_SEND_COMPLETION_TO_IMSG",
7291 };
7292 static const char * const t6_decode[] = {
7293 "IDMA_IDLE",
7294 "IDMA_PUSH_MORE_CPL_FIFO",
7295 "IDMA_PUSH_CPL_MSG_HEADER_TO_FIFO",
7296 "IDMA_SGEFLRFLUSH_SEND_PCIEHDR",
7297 "IDMA_PHYSADDR_SEND_PCIEHDR",
7298 "IDMA_PHYSADDR_SEND_PAYLOAD_FIRST",
7299 "IDMA_PHYSADDR_SEND_PAYLOAD",
7300 "IDMA_FL_REQ_DATA_FL",
7301 "IDMA_FL_DROP",
7302 "IDMA_FL_DROP_SEND_INC",
7303 "IDMA_FL_H_REQ_HEADER_FL",
7304 "IDMA_FL_H_SEND_PCIEHDR",
7305 "IDMA_FL_H_PUSH_CPL_FIFO",
7306 "IDMA_FL_H_SEND_CPL",
7307 "IDMA_FL_H_SEND_IP_HDR_FIRST",
7308 "IDMA_FL_H_SEND_IP_HDR",
7309 "IDMA_FL_H_REQ_NEXT_HEADER_FL",
7310 "IDMA_FL_H_SEND_NEXT_PCIEHDR",
7311 "IDMA_FL_H_SEND_IP_HDR_PADDING",
7312 "IDMA_FL_D_SEND_PCIEHDR",
7313 "IDMA_FL_D_SEND_CPL_AND_IP_HDR",
7314 "IDMA_FL_D_REQ_NEXT_DATA_FL",
7315 "IDMA_FL_SEND_PCIEHDR",
7316 "IDMA_FL_PUSH_CPL_FIFO",
7317 "IDMA_FL_SEND_CPL",
7318 "IDMA_FL_SEND_PAYLOAD_FIRST",
7319 "IDMA_FL_SEND_PAYLOAD",
7320 "IDMA_FL_REQ_NEXT_DATA_FL",
7321 "IDMA_FL_SEND_NEXT_PCIEHDR",
7322 "IDMA_FL_SEND_PADDING",
7323 "IDMA_FL_SEND_COMPLETION_TO_IMSG",
7324 };
7325 static const u32 sge_regs[] = {
7326 A_SGE_DEBUG_DATA_LOW_INDEX_2,
7327 A_SGE_DEBUG_DATA_LOW_INDEX_3,
7328 A_SGE_DEBUG_DATA_HIGH_INDEX_10,
7329 };
7330 const char * const *sge_idma_decode;
7331 int sge_idma_decode_nstates;
7332 int i;
7333 unsigned int chip_version = chip_id(adapter);
7334
7335 /* Select the right set of decode strings to dump depending on the
7336 * adapter chip type.
7337 */
7338 switch (chip_version) {
7339 case CHELSIO_T4:
7340 sge_idma_decode = (const char * const *)t4_decode;
7341 sge_idma_decode_nstates = ARRAY_SIZE(t4_decode);
7342 break;
7343
7344 case CHELSIO_T5:
7345 sge_idma_decode = (const char * const *)t5_decode;
7346 sge_idma_decode_nstates = ARRAY_SIZE(t5_decode);
7347 break;
7348
7349 case CHELSIO_T6:
7350 sge_idma_decode = (const char * const *)t6_decode;
7351 sge_idma_decode_nstates = ARRAY_SIZE(t6_decode);
7352 break;
7353
7354 default:
7355 CH_ERR(adapter, "Unsupported chip version %d\n", chip_version);
7356 return;
7357 }
7358
7359 if (state < sge_idma_decode_nstates)
7360 CH_WARN(adapter, "idma state %s\n", sge_idma_decode[state]);
7361 else
7362 CH_WARN(adapter, "idma state %d unknown\n", state);
7363
7364 for (i = 0; i < ARRAY_SIZE(sge_regs); i++)
7365 CH_WARN(adapter, "SGE register %#x value %#x\n",
7366 sge_regs[i], t4_read_reg(adapter, sge_regs[i]));
7367 }
7368
7369 /**
7370 * t4_sge_ctxt_flush - flush the SGE context cache
7371 * @adap: the adapter
7372 * @mbox: mailbox to use for the FW command
7373 *
7374 * Issues a FW command through the given mailbox to flush the
7375 * SGE context cache.
7376 */
t4_sge_ctxt_flush(struct adapter * adap,unsigned int mbox,int ctxt_type)7377 int t4_sge_ctxt_flush(struct adapter *adap, unsigned int mbox, int ctxt_type)
7378 {
7379 int ret;
7380 u32 ldst_addrspace;
7381 struct fw_ldst_cmd c;
7382
7383 memset(&c, 0, sizeof(c));
7384 ldst_addrspace = V_FW_LDST_CMD_ADDRSPACE(ctxt_type == CTXT_EGRESS ?
7385 FW_LDST_ADDRSPC_SGE_EGRC :
7386 FW_LDST_ADDRSPC_SGE_INGC);
7387 c.op_to_addrspace = cpu_to_be32(V_FW_CMD_OP(FW_LDST_CMD) |
7388 F_FW_CMD_REQUEST | F_FW_CMD_READ |
7389 ldst_addrspace);
7390 c.cycles_to_len16 = cpu_to_be32(FW_LEN16(c));
7391 c.u.idctxt.msg_ctxtflush = cpu_to_be32(F_FW_LDST_CMD_CTXTFLUSH);
7392
7393 ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
7394 return ret;
7395 }
7396
7397 /**
7398 * t4_fw_hello - establish communication with FW
7399 * @adap: the adapter
7400 * @mbox: mailbox to use for the FW command
7401 * @evt_mbox: mailbox to receive async FW events
7402 * @master: specifies the caller's willingness to be the device master
7403 * @state: returns the current device state (if non-NULL)
7404 *
7405 * Issues a command to establish communication with FW. Returns either
7406 * an error (negative integer) or the mailbox of the Master PF.
7407 */
t4_fw_hello(struct adapter * adap,unsigned int mbox,unsigned int evt_mbox,enum dev_master master,enum dev_state * state)7408 int t4_fw_hello(struct adapter *adap, unsigned int mbox, unsigned int evt_mbox,
7409 enum dev_master master, enum dev_state *state)
7410 {
7411 int ret;
7412 struct fw_hello_cmd c;
7413 u32 v;
7414 unsigned int master_mbox;
7415 int retries = FW_CMD_HELLO_RETRIES;
7416
7417 retry:
7418 memset(&c, 0, sizeof(c));
7419 INIT_CMD(c, HELLO, WRITE);
7420 c.err_to_clearinit = cpu_to_be32(
7421 V_FW_HELLO_CMD_MASTERDIS(master == MASTER_CANT) |
7422 V_FW_HELLO_CMD_MASTERFORCE(master == MASTER_MUST) |
7423 V_FW_HELLO_CMD_MBMASTER(master == MASTER_MUST ?
7424 mbox : M_FW_HELLO_CMD_MBMASTER) |
7425 V_FW_HELLO_CMD_MBASYNCNOT(evt_mbox) |
7426 V_FW_HELLO_CMD_STAGE(FW_HELLO_CMD_STAGE_OS) |
7427 F_FW_HELLO_CMD_CLEARINIT);
7428
7429 /*
7430 * Issue the HELLO command to the firmware. If it's not successful
7431 * but indicates that we got a "busy" or "timeout" condition, retry
7432 * the HELLO until we exhaust our retry limit. If we do exceed our
7433 * retry limit, check to see if the firmware left us any error
7434 * information and report that if so ...
7435 */
7436 ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
7437 if (ret != FW_SUCCESS) {
7438 if ((ret == -EBUSY || ret == -ETIMEDOUT) && retries-- > 0)
7439 goto retry;
7440 if (t4_read_reg(adap, A_PCIE_FW) & F_PCIE_FW_ERR)
7441 t4_report_fw_error(adap);
7442 return ret;
7443 }
7444
7445 v = be32_to_cpu(c.err_to_clearinit);
7446 master_mbox = G_FW_HELLO_CMD_MBMASTER(v);
7447 if (state) {
7448 if (v & F_FW_HELLO_CMD_ERR)
7449 *state = DEV_STATE_ERR;
7450 else if (v & F_FW_HELLO_CMD_INIT)
7451 *state = DEV_STATE_INIT;
7452 else
7453 *state = DEV_STATE_UNINIT;
7454 }
7455
7456 /*
7457 * If we're not the Master PF then we need to wait around for the
7458 * Master PF Driver to finish setting up the adapter.
7459 *
7460 * Note that we also do this wait if we're a non-Master-capable PF and
7461 * there is no current Master PF; a Master PF may show up momentarily
7462 * and we wouldn't want to fail pointlessly. (This can happen when an
7463 * OS loads lots of different drivers rapidly at the same time). In
7464 * this case, the Master PF returned by the firmware will be
7465 * M_PCIE_FW_MASTER so the test below will work ...
7466 */
7467 if ((v & (F_FW_HELLO_CMD_ERR|F_FW_HELLO_CMD_INIT)) == 0 &&
7468 master_mbox != mbox) {
7469 int waiting = FW_CMD_HELLO_TIMEOUT;
7470
7471 /*
7472 * Wait for the firmware to either indicate an error or
7473 * initialized state. If we see either of these we bail out
7474 * and report the issue to the caller. If we exhaust the
7475 * "hello timeout" and we haven't exhausted our retries, try
7476 * again. Otherwise bail with a timeout error.
7477 */
7478 for (;;) {
7479 u32 pcie_fw;
7480
7481 msleep(50);
7482 waiting -= 50;
7483
7484 /*
7485 * If neither Error nor Initialialized are indicated
7486 * by the firmware keep waiting till we exhaust our
7487 * timeout ... and then retry if we haven't exhausted
7488 * our retries ...
7489 */
7490 pcie_fw = t4_read_reg(adap, A_PCIE_FW);
7491 if (!(pcie_fw & (F_PCIE_FW_ERR|F_PCIE_FW_INIT))) {
7492 if (waiting <= 0) {
7493 if (retries-- > 0)
7494 goto retry;
7495
7496 return -ETIMEDOUT;
7497 }
7498 continue;
7499 }
7500
7501 /*
7502 * We either have an Error or Initialized condition
7503 * report errors preferentially.
7504 */
7505 if (state) {
7506 if (pcie_fw & F_PCIE_FW_ERR)
7507 *state = DEV_STATE_ERR;
7508 else if (pcie_fw & F_PCIE_FW_INIT)
7509 *state = DEV_STATE_INIT;
7510 }
7511
7512 /*
7513 * If we arrived before a Master PF was selected and
7514 * there's not a valid Master PF, grab its identity
7515 * for our caller.
7516 */
7517 if (master_mbox == M_PCIE_FW_MASTER &&
7518 (pcie_fw & F_PCIE_FW_MASTER_VLD))
7519 master_mbox = G_PCIE_FW_MASTER(pcie_fw);
7520 break;
7521 }
7522 }
7523
7524 return master_mbox;
7525 }
7526
7527 /**
7528 * t4_fw_bye - end communication with FW
7529 * @adap: the adapter
7530 * @mbox: mailbox to use for the FW command
7531 *
7532 * Issues a command to terminate communication with FW.
7533 */
t4_fw_bye(struct adapter * adap,unsigned int mbox)7534 int t4_fw_bye(struct adapter *adap, unsigned int mbox)
7535 {
7536 struct fw_bye_cmd c;
7537
7538 memset(&c, 0, sizeof(c));
7539 INIT_CMD(c, BYE, WRITE);
7540 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
7541 }
7542
7543 /**
7544 * t4_fw_reset - issue a reset to FW
7545 * @adap: the adapter
7546 * @mbox: mailbox to use for the FW command
7547 * @reset: specifies the type of reset to perform
7548 *
7549 * Issues a reset command of the specified type to FW.
7550 */
t4_fw_reset(struct adapter * adap,unsigned int mbox,int reset)7551 int t4_fw_reset(struct adapter *adap, unsigned int mbox, int reset)
7552 {
7553 struct fw_reset_cmd c;
7554
7555 memset(&c, 0, sizeof(c));
7556 INIT_CMD(c, RESET, WRITE);
7557 c.val = cpu_to_be32(reset);
7558 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
7559 }
7560
7561 /**
7562 * t4_fw_halt - issue a reset/halt to FW and put uP into RESET
7563 * @adap: the adapter
7564 * @mbox: mailbox to use for the FW RESET command (if desired)
7565 * @force: force uP into RESET even if FW RESET command fails
7566 *
7567 * Issues a RESET command to firmware (if desired) with a HALT indication
7568 * and then puts the microprocessor into RESET state. The RESET command
7569 * will only be issued if a legitimate mailbox is provided (mbox <=
7570 * M_PCIE_FW_MASTER).
7571 *
7572 * This is generally used in order for the host to safely manipulate the
7573 * adapter without fear of conflicting with whatever the firmware might
7574 * be doing. The only way out of this state is to RESTART the firmware
7575 * ...
7576 */
t4_fw_halt(struct adapter * adap,unsigned int mbox,int force)7577 int t4_fw_halt(struct adapter *adap, unsigned int mbox, int force)
7578 {
7579 int ret = 0;
7580
7581 /*
7582 * If a legitimate mailbox is provided, issue a RESET command
7583 * with a HALT indication.
7584 */
7585 if (adap->flags & FW_OK && mbox <= M_PCIE_FW_MASTER) {
7586 struct fw_reset_cmd c;
7587
7588 memset(&c, 0, sizeof(c));
7589 INIT_CMD(c, RESET, WRITE);
7590 c.val = cpu_to_be32(F_PIORST | F_PIORSTMODE);
7591 c.halt_pkd = cpu_to_be32(F_FW_RESET_CMD_HALT);
7592 ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
7593 }
7594
7595 /*
7596 * Normally we won't complete the operation if the firmware RESET
7597 * command fails but if our caller insists we'll go ahead and put the
7598 * uP into RESET. This can be useful if the firmware is hung or even
7599 * missing ... We'll have to take the risk of putting the uP into
7600 * RESET without the cooperation of firmware in that case.
7601 *
7602 * We also force the firmware's HALT flag to be on in case we bypassed
7603 * the firmware RESET command above or we're dealing with old firmware
7604 * which doesn't have the HALT capability. This will serve as a flag
7605 * for the incoming firmware to know that it's coming out of a HALT
7606 * rather than a RESET ... if it's new enough to understand that ...
7607 */
7608 if (ret == 0 || force) {
7609 t4_set_reg_field(adap, A_CIM_BOOT_CFG, F_UPCRST, F_UPCRST);
7610 t4_set_reg_field(adap, A_PCIE_FW, F_PCIE_FW_HALT,
7611 F_PCIE_FW_HALT);
7612 }
7613
7614 /*
7615 * And we always return the result of the firmware RESET command
7616 * even when we force the uP into RESET ...
7617 */
7618 return ret;
7619 }
7620
7621 /**
7622 * t4_fw_restart - restart the firmware by taking the uP out of RESET
7623 * @adap: the adapter
7624 *
7625 * Restart firmware previously halted by t4_fw_halt(). On successful
7626 * return the previous PF Master remains as the new PF Master and there
7627 * is no need to issue a new HELLO command, etc.
7628 */
t4_fw_restart(struct adapter * adap,unsigned int mbox)7629 int t4_fw_restart(struct adapter *adap, unsigned int mbox)
7630 {
7631 int ms;
7632
7633 t4_set_reg_field(adap, A_CIM_BOOT_CFG, F_UPCRST, 0);
7634 for (ms = 0; ms < FW_CMD_MAX_TIMEOUT; ) {
7635 if (!(t4_read_reg(adap, A_PCIE_FW) & F_PCIE_FW_HALT))
7636 return FW_SUCCESS;
7637 msleep(100);
7638 ms += 100;
7639 }
7640
7641 return -ETIMEDOUT;
7642 }
7643
7644 /**
7645 * t4_fw_upgrade - perform all of the steps necessary to upgrade FW
7646 * @adap: the adapter
7647 * @mbox: mailbox to use for the FW RESET command (if desired)
7648 * @fw_data: the firmware image to write
7649 * @size: image size
7650 * @force: force upgrade even if firmware doesn't cooperate
7651 *
7652 * Perform all of the steps necessary for upgrading an adapter's
7653 * firmware image. Normally this requires the cooperation of the
7654 * existing firmware in order to halt all existing activities
7655 * but if an invalid mailbox token is passed in we skip that step
7656 * (though we'll still put the adapter microprocessor into RESET in
7657 * that case).
7658 *
7659 * On successful return the new firmware will have been loaded and
7660 * the adapter will have been fully RESET losing all previous setup
7661 * state. On unsuccessful return the adapter may be completely hosed ...
7662 * positive errno indicates that the adapter is ~probably~ intact, a
7663 * negative errno indicates that things are looking bad ...
7664 */
t4_fw_upgrade(struct adapter * adap,unsigned int mbox,const u8 * fw_data,unsigned int size,int force)7665 int t4_fw_upgrade(struct adapter *adap, unsigned int mbox,
7666 const u8 *fw_data, unsigned int size, int force)
7667 {
7668 const struct fw_hdr *fw_hdr = (const struct fw_hdr *)fw_data;
7669 unsigned int bootstrap =
7670 be32_to_cpu(fw_hdr->magic) == FW_HDR_MAGIC_BOOTSTRAP;
7671 int ret;
7672
7673 if (!t4_fw_matches_chip(adap, fw_hdr))
7674 return -EINVAL;
7675
7676 if (!bootstrap) {
7677 ret = t4_fw_halt(adap, mbox, force);
7678 if (ret < 0 && !force)
7679 return ret;
7680 }
7681
7682 ret = t4_load_fw(adap, fw_data, size);
7683 if (ret < 0 || bootstrap)
7684 return ret;
7685
7686 return t4_fw_restart(adap, mbox);
7687 }
7688
7689 /**
7690 * t4_fw_initialize - ask FW to initialize the device
7691 * @adap: the adapter
7692 * @mbox: mailbox to use for the FW command
7693 *
7694 * Issues a command to FW to partially initialize the device. This
7695 * performs initialization that generally doesn't depend on user input.
7696 */
t4_fw_initialize(struct adapter * adap,unsigned int mbox)7697 int t4_fw_initialize(struct adapter *adap, unsigned int mbox)
7698 {
7699 struct fw_initialize_cmd c;
7700
7701 memset(&c, 0, sizeof(c));
7702 INIT_CMD(c, INITIALIZE, WRITE);
7703 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
7704 }
7705
7706 /**
7707 * t4_query_params_rw - query FW or device parameters
7708 * @adap: the adapter
7709 * @mbox: mailbox to use for the FW command
7710 * @pf: the PF
7711 * @vf: the VF
7712 * @nparams: the number of parameters
7713 * @params: the parameter names
7714 * @val: the parameter values
7715 * @rw: Write and read flag
7716 *
7717 * Reads the value of FW or device parameters. Up to 7 parameters can be
7718 * queried at once.
7719 */
t4_query_params_rw(struct adapter * adap,unsigned int mbox,unsigned int pf,unsigned int vf,unsigned int nparams,const u32 * params,u32 * val,int rw)7720 int t4_query_params_rw(struct adapter *adap, unsigned int mbox, unsigned int pf,
7721 unsigned int vf, unsigned int nparams, const u32 *params,
7722 u32 *val, int rw)
7723 {
7724 int i, ret;
7725 struct fw_params_cmd c;
7726 __be32 *p = &c.param[0].mnem;
7727
7728 if (nparams > 7)
7729 return -EINVAL;
7730
7731 memset(&c, 0, sizeof(c));
7732 c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_PARAMS_CMD) |
7733 F_FW_CMD_REQUEST | F_FW_CMD_READ |
7734 V_FW_PARAMS_CMD_PFN(pf) |
7735 V_FW_PARAMS_CMD_VFN(vf));
7736 c.retval_len16 = cpu_to_be32(FW_LEN16(c));
7737
7738 for (i = 0; i < nparams; i++) {
7739 *p++ = cpu_to_be32(*params++);
7740 if (rw)
7741 *p = cpu_to_be32(*(val + i));
7742 p++;
7743 }
7744
7745 ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
7746 if (ret == 0)
7747 for (i = 0, p = &c.param[0].val; i < nparams; i++, p += 2)
7748 *val++ = be32_to_cpu(*p);
7749 return ret;
7750 }
7751
t4_query_params(struct adapter * adap,unsigned int mbox,unsigned int pf,unsigned int vf,unsigned int nparams,const u32 * params,u32 * val)7752 int t4_query_params(struct adapter *adap, unsigned int mbox, unsigned int pf,
7753 unsigned int vf, unsigned int nparams, const u32 *params,
7754 u32 *val)
7755 {
7756 return t4_query_params_rw(adap, mbox, pf, vf, nparams, params, val, 0);
7757 }
7758
7759 /**
7760 * t4_set_params_timeout - sets FW or device parameters
7761 * @adap: the adapter
7762 * @mbox: mailbox to use for the FW command
7763 * @pf: the PF
7764 * @vf: the VF
7765 * @nparams: the number of parameters
7766 * @params: the parameter names
7767 * @val: the parameter values
7768 * @timeout: the timeout time
7769 *
7770 * Sets the value of FW or device parameters. Up to 7 parameters can be
7771 * specified at once.
7772 */
t4_set_params_timeout(struct adapter * adap,unsigned int mbox,unsigned int pf,unsigned int vf,unsigned int nparams,const u32 * params,const u32 * val,int timeout)7773 int t4_set_params_timeout(struct adapter *adap, unsigned int mbox,
7774 unsigned int pf, unsigned int vf,
7775 unsigned int nparams, const u32 *params,
7776 const u32 *val, int timeout)
7777 {
7778 struct fw_params_cmd c;
7779 __be32 *p = &c.param[0].mnem;
7780
7781 if (nparams > 7)
7782 return -EINVAL;
7783
7784 memset(&c, 0, sizeof(c));
7785 c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_PARAMS_CMD) |
7786 F_FW_CMD_REQUEST | F_FW_CMD_WRITE |
7787 V_FW_PARAMS_CMD_PFN(pf) |
7788 V_FW_PARAMS_CMD_VFN(vf));
7789 c.retval_len16 = cpu_to_be32(FW_LEN16(c));
7790
7791 while (nparams--) {
7792 *p++ = cpu_to_be32(*params++);
7793 *p++ = cpu_to_be32(*val++);
7794 }
7795
7796 return t4_wr_mbox_timeout(adap, mbox, &c, sizeof(c), NULL, timeout);
7797 }
7798
7799 /**
7800 * t4_set_params - sets FW or device parameters
7801 * @adap: the adapter
7802 * @mbox: mailbox to use for the FW command
7803 * @pf: the PF
7804 * @vf: the VF
7805 * @nparams: the number of parameters
7806 * @params: the parameter names
7807 * @val: the parameter values
7808 *
7809 * Sets the value of FW or device parameters. Up to 7 parameters can be
7810 * specified at once.
7811 */
t4_set_params(struct adapter * adap,unsigned int mbox,unsigned int pf,unsigned int vf,unsigned int nparams,const u32 * params,const u32 * val)7812 int t4_set_params(struct adapter *adap, unsigned int mbox, unsigned int pf,
7813 unsigned int vf, unsigned int nparams, const u32 *params,
7814 const u32 *val)
7815 {
7816 return t4_set_params_timeout(adap, mbox, pf, vf, nparams, params, val,
7817 FW_CMD_MAX_TIMEOUT);
7818 }
7819
7820 /**
7821 * t4_cfg_pfvf - configure PF/VF resource limits
7822 * @adap: the adapter
7823 * @mbox: mailbox to use for the FW command
7824 * @pf: the PF being configured
7825 * @vf: the VF being configured
7826 * @txq: the max number of egress queues
7827 * @txq_eth_ctrl: the max number of egress Ethernet or control queues
7828 * @rxqi: the max number of interrupt-capable ingress queues
7829 * @rxq: the max number of interruptless ingress queues
7830 * @tc: the PCI traffic class
7831 * @vi: the max number of virtual interfaces
7832 * @cmask: the channel access rights mask for the PF/VF
7833 * @pmask: the port access rights mask for the PF/VF
7834 * @nexact: the maximum number of exact MPS filters
7835 * @rcaps: read capabilities
7836 * @wxcaps: write/execute capabilities
7837 *
7838 * Configures resource limits and capabilities for a physical or virtual
7839 * function.
7840 */
t4_cfg_pfvf(struct adapter * adap,unsigned int mbox,unsigned int pf,unsigned int vf,unsigned int txq,unsigned int txq_eth_ctrl,unsigned int rxqi,unsigned int rxq,unsigned int tc,unsigned int vi,unsigned int cmask,unsigned int pmask,unsigned int nexact,unsigned int rcaps,unsigned int wxcaps)7841 int t4_cfg_pfvf(struct adapter *adap, unsigned int mbox, unsigned int pf,
7842 unsigned int vf, unsigned int txq, unsigned int txq_eth_ctrl,
7843 unsigned int rxqi, unsigned int rxq, unsigned int tc,
7844 unsigned int vi, unsigned int cmask, unsigned int pmask,
7845 unsigned int nexact, unsigned int rcaps, unsigned int wxcaps)
7846 {
7847 struct fw_pfvf_cmd c;
7848
7849 memset(&c, 0, sizeof(c));
7850 c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_PFVF_CMD) | F_FW_CMD_REQUEST |
7851 F_FW_CMD_WRITE | V_FW_PFVF_CMD_PFN(pf) |
7852 V_FW_PFVF_CMD_VFN(vf));
7853 c.retval_len16 = cpu_to_be32(FW_LEN16(c));
7854 c.niqflint_niq = cpu_to_be32(V_FW_PFVF_CMD_NIQFLINT(rxqi) |
7855 V_FW_PFVF_CMD_NIQ(rxq));
7856 c.type_to_neq = cpu_to_be32(V_FW_PFVF_CMD_CMASK(cmask) |
7857 V_FW_PFVF_CMD_PMASK(pmask) |
7858 V_FW_PFVF_CMD_NEQ(txq));
7859 c.tc_to_nexactf = cpu_to_be32(V_FW_PFVF_CMD_TC(tc) |
7860 V_FW_PFVF_CMD_NVI(vi) |
7861 V_FW_PFVF_CMD_NEXACTF(nexact));
7862 c.r_caps_to_nethctrl = cpu_to_be32(V_FW_PFVF_CMD_R_CAPS(rcaps) |
7863 V_FW_PFVF_CMD_WX_CAPS(wxcaps) |
7864 V_FW_PFVF_CMD_NETHCTRL(txq_eth_ctrl));
7865 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
7866 }
7867
7868 /**
7869 * t4_alloc_vi_func - allocate a virtual interface
7870 * @adap: the adapter
7871 * @mbox: mailbox to use for the FW command
7872 * @port: physical port associated with the VI
7873 * @pf: the PF owning the VI
7874 * @vf: the VF owning the VI
7875 * @nmac: number of MAC addresses needed (1 to 5)
7876 * @mac: the MAC addresses of the VI
7877 * @rss_size: size of RSS table slice associated with this VI
7878 * @portfunc: which Port Application Function MAC Address is desired
7879 * @idstype: Intrusion Detection Type
7880 *
7881 * Allocates a virtual interface for the given physical port. If @mac is
7882 * not %NULL it contains the MAC addresses of the VI as assigned by FW.
7883 * If @rss_size is %NULL the VI is not assigned any RSS slice by FW.
7884 * @mac should be large enough to hold @nmac Ethernet addresses, they are
7885 * stored consecutively so the space needed is @nmac * 6 bytes.
7886 * Returns a negative error number or the non-negative VI id.
7887 */
t4_alloc_vi_func(struct adapter * adap,unsigned int mbox,unsigned int port,unsigned int pf,unsigned int vf,unsigned int nmac,u8 * mac,u16 * rss_size,uint8_t * vfvld,uint16_t * vin,unsigned int portfunc,unsigned int idstype)7888 int t4_alloc_vi_func(struct adapter *adap, unsigned int mbox,
7889 unsigned int port, unsigned int pf, unsigned int vf,
7890 unsigned int nmac, u8 *mac, u16 *rss_size,
7891 uint8_t *vfvld, uint16_t *vin,
7892 unsigned int portfunc, unsigned int idstype)
7893 {
7894 int ret;
7895 struct fw_vi_cmd c;
7896
7897 memset(&c, 0, sizeof(c));
7898 c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_VI_CMD) | F_FW_CMD_REQUEST |
7899 F_FW_CMD_WRITE | F_FW_CMD_EXEC |
7900 V_FW_VI_CMD_PFN(pf) | V_FW_VI_CMD_VFN(vf));
7901 c.alloc_to_len16 = cpu_to_be32(F_FW_VI_CMD_ALLOC | FW_LEN16(c));
7902 c.type_to_viid = cpu_to_be16(V_FW_VI_CMD_TYPE(idstype) |
7903 V_FW_VI_CMD_FUNC(portfunc));
7904 c.portid_pkd = V_FW_VI_CMD_PORTID(port);
7905 c.nmac = nmac - 1;
7906 if(!rss_size)
7907 c.norss_rsssize = F_FW_VI_CMD_NORSS;
7908
7909 ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
7910 if (ret)
7911 return ret;
7912 ret = G_FW_VI_CMD_VIID(be16_to_cpu(c.type_to_viid));
7913
7914 if (mac) {
7915 memcpy(mac, c.mac, sizeof(c.mac));
7916 switch (nmac) {
7917 case 5:
7918 memcpy(mac + 24, c.nmac3, sizeof(c.nmac3));
7919 case 4:
7920 memcpy(mac + 18, c.nmac2, sizeof(c.nmac2));
7921 case 3:
7922 memcpy(mac + 12, c.nmac1, sizeof(c.nmac1));
7923 case 2:
7924 memcpy(mac + 6, c.nmac0, sizeof(c.nmac0));
7925 }
7926 }
7927 if (rss_size)
7928 *rss_size = G_FW_VI_CMD_RSSSIZE(be16_to_cpu(c.norss_rsssize));
7929 if (vfvld) {
7930 *vfvld = adap->params.viid_smt_extn_support ?
7931 G_FW_VI_CMD_VFVLD(be32_to_cpu(c.alloc_to_len16)) :
7932 G_FW_VIID_VIVLD(ret);
7933 }
7934 if (vin) {
7935 *vin = adap->params.viid_smt_extn_support ?
7936 G_FW_VI_CMD_VIN(be32_to_cpu(c.alloc_to_len16)) :
7937 G_FW_VIID_VIN(ret);
7938 }
7939
7940 return ret;
7941 }
7942
7943 /**
7944 * t4_alloc_vi - allocate an [Ethernet Function] virtual interface
7945 * @adap: the adapter
7946 * @mbox: mailbox to use for the FW command
7947 * @port: physical port associated with the VI
7948 * @pf: the PF owning the VI
7949 * @vf: the VF owning the VI
7950 * @nmac: number of MAC addresses needed (1 to 5)
7951 * @mac: the MAC addresses of the VI
7952 * @rss_size: size of RSS table slice associated with this VI
7953 *
7954 * backwards compatible and convieniance routine to allocate a Virtual
7955 * Interface with a Ethernet Port Application Function and Intrustion
7956 * Detection System disabled.
7957 */
t4_alloc_vi(struct adapter * adap,unsigned int mbox,unsigned int port,unsigned int pf,unsigned int vf,unsigned int nmac,u8 * mac,u16 * rss_size,uint8_t * vfvld,uint16_t * vin)7958 int t4_alloc_vi(struct adapter *adap, unsigned int mbox, unsigned int port,
7959 unsigned int pf, unsigned int vf, unsigned int nmac, u8 *mac,
7960 u16 *rss_size, uint8_t *vfvld, uint16_t *vin)
7961 {
7962 return t4_alloc_vi_func(adap, mbox, port, pf, vf, nmac, mac, rss_size,
7963 vfvld, vin, FW_VI_FUNC_ETH, 0);
7964 }
7965
7966 /**
7967 * t4_free_vi - free a virtual interface
7968 * @adap: the adapter
7969 * @mbox: mailbox to use for the FW command
7970 * @pf: the PF owning the VI
7971 * @vf: the VF owning the VI
7972 * @viid: virtual interface identifiler
7973 *
7974 * Free a previously allocated virtual interface.
7975 */
t4_free_vi(struct adapter * adap,unsigned int mbox,unsigned int pf,unsigned int vf,unsigned int viid)7976 int t4_free_vi(struct adapter *adap, unsigned int mbox, unsigned int pf,
7977 unsigned int vf, unsigned int viid)
7978 {
7979 struct fw_vi_cmd c;
7980
7981 memset(&c, 0, sizeof(c));
7982 c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_VI_CMD) |
7983 F_FW_CMD_REQUEST |
7984 F_FW_CMD_EXEC |
7985 V_FW_VI_CMD_PFN(pf) |
7986 V_FW_VI_CMD_VFN(vf));
7987 c.alloc_to_len16 = cpu_to_be32(F_FW_VI_CMD_FREE | FW_LEN16(c));
7988 c.type_to_viid = cpu_to_be16(V_FW_VI_CMD_VIID(viid));
7989
7990 return t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
7991 }
7992
7993 /**
7994 * t4_set_rxmode - set Rx properties of a virtual interface
7995 * @adap: the adapter
7996 * @mbox: mailbox to use for the FW command
7997 * @viid: the VI id
7998 * @mtu: the new MTU or -1
7999 * @promisc: 1 to enable promiscuous mode, 0 to disable it, -1 no change
8000 * @all_multi: 1 to enable all-multi mode, 0 to disable it, -1 no change
8001 * @bcast: 1 to enable broadcast Rx, 0 to disable it, -1 no change
8002 * @vlanex: 1 to enable HW VLAN extraction, 0 to disable it, -1 no change
8003 * @sleep_ok: if true we may sleep while awaiting command completion
8004 *
8005 * Sets Rx properties of a virtual interface.
8006 */
t4_set_rxmode(struct adapter * adap,unsigned int mbox,unsigned int viid,int mtu,int promisc,int all_multi,int bcast,int vlanex,bool sleep_ok)8007 int t4_set_rxmode(struct adapter *adap, unsigned int mbox, unsigned int viid,
8008 int mtu, int promisc, int all_multi, int bcast, int vlanex,
8009 bool sleep_ok)
8010 {
8011 struct fw_vi_rxmode_cmd c;
8012
8013 /* convert to FW values */
8014 if (mtu < 0)
8015 mtu = M_FW_VI_RXMODE_CMD_MTU;
8016 if (promisc < 0)
8017 promisc = M_FW_VI_RXMODE_CMD_PROMISCEN;
8018 if (all_multi < 0)
8019 all_multi = M_FW_VI_RXMODE_CMD_ALLMULTIEN;
8020 if (bcast < 0)
8021 bcast = M_FW_VI_RXMODE_CMD_BROADCASTEN;
8022 if (vlanex < 0)
8023 vlanex = M_FW_VI_RXMODE_CMD_VLANEXEN;
8024
8025 memset(&c, 0, sizeof(c));
8026 c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_RXMODE_CMD) |
8027 F_FW_CMD_REQUEST | F_FW_CMD_WRITE |
8028 V_FW_VI_RXMODE_CMD_VIID(viid));
8029 c.retval_len16 = cpu_to_be32(FW_LEN16(c));
8030 c.mtu_to_vlanexen =
8031 cpu_to_be32(V_FW_VI_RXMODE_CMD_MTU(mtu) |
8032 V_FW_VI_RXMODE_CMD_PROMISCEN(promisc) |
8033 V_FW_VI_RXMODE_CMD_ALLMULTIEN(all_multi) |
8034 V_FW_VI_RXMODE_CMD_BROADCASTEN(bcast) |
8035 V_FW_VI_RXMODE_CMD_VLANEXEN(vlanex));
8036 return t4_wr_mbox_meat(adap, mbox, &c, sizeof(c), NULL, sleep_ok);
8037 }
8038
8039 /**
8040 * t4_alloc_encap_mac_filt - Adds a mac entry in mps tcam with VNI support
8041 * @adap: the adapter
8042 * @viid: the VI id
8043 * @mac: the MAC address
8044 * @mask: the mask
8045 * @vni: the VNI id for the tunnel protocol
8046 * @vni_mask: mask for the VNI id
8047 * @dip_hit: to enable DIP match for the MPS entry
8048 * @lookup_type: MAC address for inner (1) or outer (0) header
8049 * @sleep_ok: call is allowed to sleep
8050 *
8051 * Allocates an MPS entry with specified MAC address and VNI value.
8052 *
8053 * Returns a negative error number or the allocated index for this mac.
8054 */
t4_alloc_encap_mac_filt(struct adapter * adap,unsigned int viid,const u8 * addr,const u8 * mask,unsigned int vni,unsigned int vni_mask,u8 dip_hit,u8 lookup_type,bool sleep_ok)8055 int t4_alloc_encap_mac_filt(struct adapter *adap, unsigned int viid,
8056 const u8 *addr, const u8 *mask, unsigned int vni,
8057 unsigned int vni_mask, u8 dip_hit, u8 lookup_type,
8058 bool sleep_ok)
8059 {
8060 struct fw_vi_mac_cmd c;
8061 struct fw_vi_mac_vni *p = c.u.exact_vni;
8062 int ret = 0;
8063 u32 val;
8064
8065 memset(&c, 0, sizeof(c));
8066 c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_MAC_CMD) |
8067 F_FW_CMD_REQUEST | F_FW_CMD_WRITE |
8068 V_FW_VI_MAC_CMD_VIID(viid));
8069 val = V_FW_CMD_LEN16(1) |
8070 V_FW_VI_MAC_CMD_ENTRY_TYPE(FW_VI_MAC_TYPE_EXACTMAC_VNI);
8071 c.freemacs_to_len16 = cpu_to_be32(val);
8072 p->valid_to_idx = cpu_to_be16(F_FW_VI_MAC_CMD_VALID |
8073 V_FW_VI_MAC_CMD_IDX(FW_VI_MAC_ADD_MAC));
8074 memcpy(p->macaddr, addr, sizeof(p->macaddr));
8075 memcpy(p->macaddr_mask, mask, sizeof(p->macaddr_mask));
8076
8077 p->lookup_type_to_vni = cpu_to_be32(V_FW_VI_MAC_CMD_VNI(vni) |
8078 V_FW_VI_MAC_CMD_DIP_HIT(dip_hit) |
8079 V_FW_VI_MAC_CMD_LOOKUP_TYPE(lookup_type));
8080 p->vni_mask_pkd = cpu_to_be32(V_FW_VI_MAC_CMD_VNI_MASK(vni_mask));
8081
8082 ret = t4_wr_mbox_meat(adap, adap->mbox, &c, sizeof(c), &c, sleep_ok);
8083 if (ret == 0)
8084 ret = G_FW_VI_MAC_CMD_IDX(be16_to_cpu(p->valid_to_idx));
8085 return ret;
8086 }
8087
8088 /**
8089 * t4_alloc_raw_mac_filt - Adds a mac entry in mps tcam
8090 * @adap: the adapter
8091 * @viid: the VI id
8092 * @mac: the MAC address
8093 * @mask: the mask
8094 * @idx: index at which to add this entry
8095 * @port_id: the port index
8096 * @lookup_type: MAC address for inner (1) or outer (0) header
8097 * @sleep_ok: call is allowed to sleep
8098 *
8099 * Adds the mac entry at the specified index using raw mac interface.
8100 *
8101 * Returns a negative error number or the allocated index for this mac.
8102 */
t4_alloc_raw_mac_filt(struct adapter * adap,unsigned int viid,const u8 * addr,const u8 * mask,unsigned int idx,u8 lookup_type,u8 port_id,bool sleep_ok)8103 int t4_alloc_raw_mac_filt(struct adapter *adap, unsigned int viid,
8104 const u8 *addr, const u8 *mask, unsigned int idx,
8105 u8 lookup_type, u8 port_id, bool sleep_ok)
8106 {
8107 int ret = 0;
8108 struct fw_vi_mac_cmd c;
8109 struct fw_vi_mac_raw *p = &c.u.raw;
8110 u32 val;
8111
8112 memset(&c, 0, sizeof(c));
8113 c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_MAC_CMD) |
8114 F_FW_CMD_REQUEST | F_FW_CMD_WRITE |
8115 V_FW_VI_MAC_CMD_VIID(viid));
8116 val = V_FW_CMD_LEN16(1) |
8117 V_FW_VI_MAC_CMD_ENTRY_TYPE(FW_VI_MAC_TYPE_RAW);
8118 c.freemacs_to_len16 = cpu_to_be32(val);
8119
8120 /* Specify that this is an inner mac address */
8121 p->raw_idx_pkd = cpu_to_be32(V_FW_VI_MAC_CMD_RAW_IDX(idx));
8122
8123 /* Lookup Type. Outer header: 0, Inner header: 1 */
8124 p->data0_pkd = cpu_to_be32(V_DATALKPTYPE(lookup_type) |
8125 V_DATAPORTNUM(port_id));
8126 /* Lookup mask and port mask */
8127 p->data0m_pkd = cpu_to_be64(V_DATALKPTYPE(M_DATALKPTYPE) |
8128 V_DATAPORTNUM(M_DATAPORTNUM));
8129
8130 /* Copy the address and the mask */
8131 memcpy((u8 *)&p->data1[0] + 2, addr, ETHER_ADDR_LEN);
8132 memcpy((u8 *)&p->data1m[0] + 2, mask, ETHER_ADDR_LEN);
8133
8134 ret = t4_wr_mbox_meat(adap, adap->mbox, &c, sizeof(c), &c, sleep_ok);
8135 if (ret == 0) {
8136 ret = G_FW_VI_MAC_CMD_RAW_IDX(be32_to_cpu(p->raw_idx_pkd));
8137 if (ret != idx)
8138 ret = -ENOMEM;
8139 }
8140
8141 return ret;
8142 }
8143
8144 /**
8145 * t4_alloc_mac_filt - allocates exact-match filters for MAC addresses
8146 * @adap: the adapter
8147 * @mbox: mailbox to use for the FW command
8148 * @viid: the VI id
8149 * @free: if true any existing filters for this VI id are first removed
8150 * @naddr: the number of MAC addresses to allocate filters for (up to 7)
8151 * @addr: the MAC address(es)
8152 * @idx: where to store the index of each allocated filter
8153 * @hash: pointer to hash address filter bitmap
8154 * @sleep_ok: call is allowed to sleep
8155 *
8156 * Allocates an exact-match filter for each of the supplied addresses and
8157 * sets it to the corresponding address. If @idx is not %NULL it should
8158 * have at least @naddr entries, each of which will be set to the index of
8159 * the filter allocated for the corresponding MAC address. If a filter
8160 * could not be allocated for an address its index is set to 0xffff.
8161 * If @hash is not %NULL addresses that fail to allocate an exact filter
8162 * are hashed and update the hash filter bitmap pointed at by @hash.
8163 *
8164 * Returns a negative error number or the number of filters allocated.
8165 */
t4_alloc_mac_filt(struct adapter * adap,unsigned int mbox,unsigned int viid,bool free,unsigned int naddr,const u8 ** addr,u16 * idx,u64 * hash,bool sleep_ok)8166 int t4_alloc_mac_filt(struct adapter *adap, unsigned int mbox,
8167 unsigned int viid, bool free, unsigned int naddr,
8168 const u8 **addr, u16 *idx, u64 *hash, bool sleep_ok)
8169 {
8170 int offset, ret = 0;
8171 struct fw_vi_mac_cmd c;
8172 unsigned int nfilters = 0;
8173 unsigned int max_naddr = adap->chip_params->mps_tcam_size;
8174 unsigned int rem = naddr;
8175
8176 if (naddr > max_naddr)
8177 return -EINVAL;
8178
8179 for (offset = 0; offset < naddr ; /**/) {
8180 unsigned int fw_naddr = (rem < ARRAY_SIZE(c.u.exact)
8181 ? rem
8182 : ARRAY_SIZE(c.u.exact));
8183 size_t len16 = DIV_ROUND_UP(offsetof(struct fw_vi_mac_cmd,
8184 u.exact[fw_naddr]), 16);
8185 struct fw_vi_mac_exact *p;
8186 int i;
8187
8188 memset(&c, 0, sizeof(c));
8189 c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_MAC_CMD) |
8190 F_FW_CMD_REQUEST |
8191 F_FW_CMD_WRITE |
8192 V_FW_CMD_EXEC(free) |
8193 V_FW_VI_MAC_CMD_VIID(viid));
8194 c.freemacs_to_len16 = cpu_to_be32(V_FW_VI_MAC_CMD_FREEMACS(free) |
8195 V_FW_CMD_LEN16(len16));
8196
8197 for (i = 0, p = c.u.exact; i < fw_naddr; i++, p++) {
8198 p->valid_to_idx =
8199 cpu_to_be16(F_FW_VI_MAC_CMD_VALID |
8200 V_FW_VI_MAC_CMD_IDX(FW_VI_MAC_ADD_MAC));
8201 memcpy(p->macaddr, addr[offset+i], sizeof(p->macaddr));
8202 }
8203
8204 /*
8205 * It's okay if we run out of space in our MAC address arena.
8206 * Some of the addresses we submit may get stored so we need
8207 * to run through the reply to see what the results were ...
8208 */
8209 ret = t4_wr_mbox_meat(adap, mbox, &c, sizeof(c), &c, sleep_ok);
8210 if (ret && ret != -FW_ENOMEM)
8211 break;
8212
8213 for (i = 0, p = c.u.exact; i < fw_naddr; i++, p++) {
8214 u16 index = G_FW_VI_MAC_CMD_IDX(
8215 be16_to_cpu(p->valid_to_idx));
8216
8217 if (idx)
8218 idx[offset+i] = (index >= max_naddr
8219 ? 0xffff
8220 : index);
8221 if (index < max_naddr)
8222 nfilters++;
8223 else if (hash)
8224 *hash |= (1ULL << hash_mac_addr(addr[offset+i]));
8225 }
8226
8227 free = false;
8228 offset += fw_naddr;
8229 rem -= fw_naddr;
8230 }
8231
8232 if (ret == 0 || ret == -FW_ENOMEM)
8233 ret = nfilters;
8234 return ret;
8235 }
8236
8237 /**
8238 * t4_free_encap_mac_filt - frees MPS entry at given index
8239 * @adap: the adapter
8240 * @viid: the VI id
8241 * @idx: index of MPS entry to be freed
8242 * @sleep_ok: call is allowed to sleep
8243 *
8244 * Frees the MPS entry at supplied index
8245 *
8246 * Returns a negative error number or zero on success
8247 */
t4_free_encap_mac_filt(struct adapter * adap,unsigned int viid,int idx,bool sleep_ok)8248 int t4_free_encap_mac_filt(struct adapter *adap, unsigned int viid,
8249 int idx, bool sleep_ok)
8250 {
8251 struct fw_vi_mac_exact *p;
8252 struct fw_vi_mac_cmd c;
8253 u8 addr[] = {0,0,0,0,0,0};
8254 int ret = 0;
8255 u32 exact;
8256
8257 memset(&c, 0, sizeof(c));
8258 c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_MAC_CMD) |
8259 F_FW_CMD_REQUEST |
8260 F_FW_CMD_WRITE |
8261 V_FW_CMD_EXEC(0) |
8262 V_FW_VI_MAC_CMD_VIID(viid));
8263 exact = V_FW_VI_MAC_CMD_ENTRY_TYPE(FW_VI_MAC_TYPE_EXACTMAC);
8264 c.freemacs_to_len16 = cpu_to_be32(V_FW_VI_MAC_CMD_FREEMACS(0) |
8265 exact |
8266 V_FW_CMD_LEN16(1));
8267 p = c.u.exact;
8268 p->valid_to_idx = cpu_to_be16(F_FW_VI_MAC_CMD_VALID |
8269 V_FW_VI_MAC_CMD_IDX(idx));
8270 memcpy(p->macaddr, addr, sizeof(p->macaddr));
8271
8272 ret = t4_wr_mbox_meat(adap, adap->mbox, &c, sizeof(c), &c, sleep_ok);
8273 return ret;
8274 }
8275
8276 /**
8277 * t4_free_raw_mac_filt - Frees a raw mac entry in mps tcam
8278 * @adap: the adapter
8279 * @viid: the VI id
8280 * @addr: the MAC address
8281 * @mask: the mask
8282 * @idx: index of the entry in mps tcam
8283 * @lookup_type: MAC address for inner (1) or outer (0) header
8284 * @port_id: the port index
8285 * @sleep_ok: call is allowed to sleep
8286 *
8287 * Removes the mac entry at the specified index using raw mac interface.
8288 *
8289 * Returns a negative error number on failure.
8290 */
t4_free_raw_mac_filt(struct adapter * adap,unsigned int viid,const u8 * addr,const u8 * mask,unsigned int idx,u8 lookup_type,u8 port_id,bool sleep_ok)8291 int t4_free_raw_mac_filt(struct adapter *adap, unsigned int viid,
8292 const u8 *addr, const u8 *mask, unsigned int idx,
8293 u8 lookup_type, u8 port_id, bool sleep_ok)
8294 {
8295 struct fw_vi_mac_cmd c;
8296 struct fw_vi_mac_raw *p = &c.u.raw;
8297 u32 raw;
8298
8299 memset(&c, 0, sizeof(c));
8300 c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_MAC_CMD) |
8301 F_FW_CMD_REQUEST | F_FW_CMD_WRITE |
8302 V_FW_CMD_EXEC(0) |
8303 V_FW_VI_MAC_CMD_VIID(viid));
8304 raw = V_FW_VI_MAC_CMD_ENTRY_TYPE(FW_VI_MAC_TYPE_RAW);
8305 c.freemacs_to_len16 = cpu_to_be32(V_FW_VI_MAC_CMD_FREEMACS(0) |
8306 raw |
8307 V_FW_CMD_LEN16(1));
8308
8309 p->raw_idx_pkd = cpu_to_be32(V_FW_VI_MAC_CMD_RAW_IDX(idx) |
8310 FW_VI_MAC_ID_BASED_FREE);
8311
8312 /* Lookup Type. Outer header: 0, Inner header: 1 */
8313 p->data0_pkd = cpu_to_be32(V_DATALKPTYPE(lookup_type) |
8314 V_DATAPORTNUM(port_id));
8315 /* Lookup mask and port mask */
8316 p->data0m_pkd = cpu_to_be64(V_DATALKPTYPE(M_DATALKPTYPE) |
8317 V_DATAPORTNUM(M_DATAPORTNUM));
8318
8319 /* Copy the address and the mask */
8320 memcpy((u8 *)&p->data1[0] + 2, addr, ETHER_ADDR_LEN);
8321 memcpy((u8 *)&p->data1m[0] + 2, mask, ETHER_ADDR_LEN);
8322
8323 return t4_wr_mbox_meat(adap, adap->mbox, &c, sizeof(c), &c, sleep_ok);
8324 }
8325
8326 /**
8327 * t4_free_mac_filt - frees exact-match filters of given MAC addresses
8328 * @adap: the adapter
8329 * @mbox: mailbox to use for the FW command
8330 * @viid: the VI id
8331 * @naddr: the number of MAC addresses to allocate filters for (up to 7)
8332 * @addr: the MAC address(es)
8333 * @sleep_ok: call is allowed to sleep
8334 *
8335 * Frees the exact-match filter for each of the supplied addresses
8336 *
8337 * Returns a negative error number or the number of filters freed.
8338 */
t4_free_mac_filt(struct adapter * adap,unsigned int mbox,unsigned int viid,unsigned int naddr,const u8 ** addr,bool sleep_ok)8339 int t4_free_mac_filt(struct adapter *adap, unsigned int mbox,
8340 unsigned int viid, unsigned int naddr,
8341 const u8 **addr, bool sleep_ok)
8342 {
8343 int offset, ret = 0;
8344 struct fw_vi_mac_cmd c;
8345 unsigned int nfilters = 0;
8346 unsigned int max_naddr = adap->chip_params->mps_tcam_size;
8347 unsigned int rem = naddr;
8348
8349 if (naddr > max_naddr)
8350 return -EINVAL;
8351
8352 for (offset = 0; offset < (int)naddr ; /**/) {
8353 unsigned int fw_naddr = (rem < ARRAY_SIZE(c.u.exact)
8354 ? rem
8355 : ARRAY_SIZE(c.u.exact));
8356 size_t len16 = DIV_ROUND_UP(offsetof(struct fw_vi_mac_cmd,
8357 u.exact[fw_naddr]), 16);
8358 struct fw_vi_mac_exact *p;
8359 int i;
8360
8361 memset(&c, 0, sizeof(c));
8362 c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_MAC_CMD) |
8363 F_FW_CMD_REQUEST |
8364 F_FW_CMD_WRITE |
8365 V_FW_CMD_EXEC(0) |
8366 V_FW_VI_MAC_CMD_VIID(viid));
8367 c.freemacs_to_len16 =
8368 cpu_to_be32(V_FW_VI_MAC_CMD_FREEMACS(0) |
8369 V_FW_CMD_LEN16(len16));
8370
8371 for (i = 0, p = c.u.exact; i < (int)fw_naddr; i++, p++) {
8372 p->valid_to_idx = cpu_to_be16(
8373 F_FW_VI_MAC_CMD_VALID |
8374 V_FW_VI_MAC_CMD_IDX(FW_VI_MAC_MAC_BASED_FREE));
8375 memcpy(p->macaddr, addr[offset+i], sizeof(p->macaddr));
8376 }
8377
8378 ret = t4_wr_mbox_meat(adap, mbox, &c, sizeof(c), &c, sleep_ok);
8379 if (ret)
8380 break;
8381
8382 for (i = 0, p = c.u.exact; i < fw_naddr; i++, p++) {
8383 u16 index = G_FW_VI_MAC_CMD_IDX(
8384 be16_to_cpu(p->valid_to_idx));
8385
8386 if (index < max_naddr)
8387 nfilters++;
8388 }
8389
8390 offset += fw_naddr;
8391 rem -= fw_naddr;
8392 }
8393
8394 if (ret == 0)
8395 ret = nfilters;
8396 return ret;
8397 }
8398
8399 /**
8400 * t4_change_mac - modifies the exact-match filter for a MAC address
8401 * @adap: the adapter
8402 * @mbox: mailbox to use for the FW command
8403 * @viid: the VI id
8404 * @idx: index of existing filter for old value of MAC address, or -1
8405 * @addr: the new MAC address value
8406 * @persist: whether a new MAC allocation should be persistent
8407 * @smt_idx: add MAC to SMT and return its index, or NULL
8408 *
8409 * Modifies an exact-match filter and sets it to the new MAC address if
8410 * @idx >= 0, or adds the MAC address to a new filter if @idx < 0. In the
8411 * latter case the address is added persistently if @persist is %true.
8412 *
8413 * Note that in general it is not possible to modify the value of a given
8414 * filter so the generic way to modify an address filter is to free the one
8415 * being used by the old address value and allocate a new filter for the
8416 * new address value.
8417 *
8418 * Returns a negative error number or the index of the filter with the new
8419 * MAC value. Note that this index may differ from @idx.
8420 */
t4_change_mac(struct adapter * adap,unsigned int mbox,unsigned int viid,int idx,const u8 * addr,bool persist,uint16_t * smt_idx)8421 int t4_change_mac(struct adapter *adap, unsigned int mbox, unsigned int viid,
8422 int idx, const u8 *addr, bool persist, uint16_t *smt_idx)
8423 {
8424 int ret, mode;
8425 struct fw_vi_mac_cmd c;
8426 struct fw_vi_mac_exact *p = c.u.exact;
8427 unsigned int max_mac_addr = adap->chip_params->mps_tcam_size;
8428
8429 if (idx < 0) /* new allocation */
8430 idx = persist ? FW_VI_MAC_ADD_PERSIST_MAC : FW_VI_MAC_ADD_MAC;
8431 mode = smt_idx ? FW_VI_MAC_SMT_AND_MPSTCAM : FW_VI_MAC_MPS_TCAM_ENTRY;
8432
8433 memset(&c, 0, sizeof(c));
8434 c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_MAC_CMD) |
8435 F_FW_CMD_REQUEST | F_FW_CMD_WRITE |
8436 V_FW_VI_MAC_CMD_VIID(viid));
8437 c.freemacs_to_len16 = cpu_to_be32(V_FW_CMD_LEN16(1));
8438 p->valid_to_idx = cpu_to_be16(F_FW_VI_MAC_CMD_VALID |
8439 V_FW_VI_MAC_CMD_SMAC_RESULT(mode) |
8440 V_FW_VI_MAC_CMD_IDX(idx));
8441 memcpy(p->macaddr, addr, sizeof(p->macaddr));
8442
8443 ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
8444 if (ret == 0) {
8445 ret = G_FW_VI_MAC_CMD_IDX(be16_to_cpu(p->valid_to_idx));
8446 if (ret >= max_mac_addr)
8447 ret = -ENOMEM;
8448 if (smt_idx) {
8449 if (adap->params.viid_smt_extn_support)
8450 *smt_idx = G_FW_VI_MAC_CMD_SMTID(be32_to_cpu(c.op_to_viid));
8451 else {
8452 if (chip_id(adap) <= CHELSIO_T5)
8453 *smt_idx = (viid & M_FW_VIID_VIN) << 1;
8454 else
8455 *smt_idx = viid & M_FW_VIID_VIN;
8456 }
8457 }
8458 }
8459 return ret;
8460 }
8461
8462 /**
8463 * t4_set_addr_hash - program the MAC inexact-match hash filter
8464 * @adap: the adapter
8465 * @mbox: mailbox to use for the FW command
8466 * @viid: the VI id
8467 * @ucast: whether the hash filter should also match unicast addresses
8468 * @vec: the value to be written to the hash filter
8469 * @sleep_ok: call is allowed to sleep
8470 *
8471 * Sets the 64-bit inexact-match hash filter for a virtual interface.
8472 */
t4_set_addr_hash(struct adapter * adap,unsigned int mbox,unsigned int viid,bool ucast,u64 vec,bool sleep_ok)8473 int t4_set_addr_hash(struct adapter *adap, unsigned int mbox, unsigned int viid,
8474 bool ucast, u64 vec, bool sleep_ok)
8475 {
8476 struct fw_vi_mac_cmd c;
8477 u32 val;
8478
8479 memset(&c, 0, sizeof(c));
8480 c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_MAC_CMD) |
8481 F_FW_CMD_REQUEST | F_FW_CMD_WRITE |
8482 V_FW_VI_ENABLE_CMD_VIID(viid));
8483 val = V_FW_VI_MAC_CMD_ENTRY_TYPE(FW_VI_MAC_TYPE_HASHVEC) |
8484 V_FW_VI_MAC_CMD_HASHUNIEN(ucast) | V_FW_CMD_LEN16(1);
8485 c.freemacs_to_len16 = cpu_to_be32(val);
8486 c.u.hash.hashvec = cpu_to_be64(vec);
8487 return t4_wr_mbox_meat(adap, mbox, &c, sizeof(c), NULL, sleep_ok);
8488 }
8489
8490 /**
8491 * t4_enable_vi_params - enable/disable a virtual interface
8492 * @adap: the adapter
8493 * @mbox: mailbox to use for the FW command
8494 * @viid: the VI id
8495 * @rx_en: 1=enable Rx, 0=disable Rx
8496 * @tx_en: 1=enable Tx, 0=disable Tx
8497 * @dcb_en: 1=enable delivery of Data Center Bridging messages.
8498 *
8499 * Enables/disables a virtual interface. Note that setting DCB Enable
8500 * only makes sense when enabling a Virtual Interface ...
8501 */
t4_enable_vi_params(struct adapter * adap,unsigned int mbox,unsigned int viid,bool rx_en,bool tx_en,bool dcb_en)8502 int t4_enable_vi_params(struct adapter *adap, unsigned int mbox,
8503 unsigned int viid, bool rx_en, bool tx_en, bool dcb_en)
8504 {
8505 struct fw_vi_enable_cmd c;
8506
8507 memset(&c, 0, sizeof(c));
8508 c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_ENABLE_CMD) |
8509 F_FW_CMD_REQUEST | F_FW_CMD_EXEC |
8510 V_FW_VI_ENABLE_CMD_VIID(viid));
8511 c.ien_to_len16 = cpu_to_be32(V_FW_VI_ENABLE_CMD_IEN(rx_en) |
8512 V_FW_VI_ENABLE_CMD_EEN(tx_en) |
8513 V_FW_VI_ENABLE_CMD_DCB_INFO(dcb_en) |
8514 FW_LEN16(c));
8515 return t4_wr_mbox_ns(adap, mbox, &c, sizeof(c), NULL);
8516 }
8517
8518 /**
8519 * t4_enable_vi - enable/disable a virtual interface
8520 * @adap: the adapter
8521 * @mbox: mailbox to use for the FW command
8522 * @viid: the VI id
8523 * @rx_en: 1=enable Rx, 0=disable Rx
8524 * @tx_en: 1=enable Tx, 0=disable Tx
8525 *
8526 * Enables/disables a virtual interface. Note that setting DCB Enable
8527 * only makes sense when enabling a Virtual Interface ...
8528 */
t4_enable_vi(struct adapter * adap,unsigned int mbox,unsigned int viid,bool rx_en,bool tx_en)8529 int t4_enable_vi(struct adapter *adap, unsigned int mbox, unsigned int viid,
8530 bool rx_en, bool tx_en)
8531 {
8532 return t4_enable_vi_params(adap, mbox, viid, rx_en, tx_en, 0);
8533 }
8534
8535 /**
8536 * t4_identify_port - identify a VI's port by blinking its LED
8537 * @adap: the adapter
8538 * @mbox: mailbox to use for the FW command
8539 * @viid: the VI id
8540 * @nblinks: how many times to blink LED at 2.5 Hz
8541 *
8542 * Identifies a VI's port by blinking its LED.
8543 */
t4_identify_port(struct adapter * adap,unsigned int mbox,unsigned int viid,unsigned int nblinks)8544 int t4_identify_port(struct adapter *adap, unsigned int mbox, unsigned int viid,
8545 unsigned int nblinks)
8546 {
8547 struct fw_vi_enable_cmd c;
8548
8549 memset(&c, 0, sizeof(c));
8550 c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_ENABLE_CMD) |
8551 F_FW_CMD_REQUEST | F_FW_CMD_EXEC |
8552 V_FW_VI_ENABLE_CMD_VIID(viid));
8553 c.ien_to_len16 = cpu_to_be32(F_FW_VI_ENABLE_CMD_LED | FW_LEN16(c));
8554 c.blinkdur = cpu_to_be16(nblinks);
8555 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
8556 }
8557
8558 /**
8559 * t4_iq_stop - stop an ingress queue and its FLs
8560 * @adap: the adapter
8561 * @mbox: mailbox to use for the FW command
8562 * @pf: the PF owning the queues
8563 * @vf: the VF owning the queues
8564 * @iqtype: the ingress queue type (FW_IQ_TYPE_FL_INT_CAP, etc.)
8565 * @iqid: ingress queue id
8566 * @fl0id: FL0 queue id or 0xffff if no attached FL0
8567 * @fl1id: FL1 queue id or 0xffff if no attached FL1
8568 *
8569 * Stops an ingress queue and its associated FLs, if any. This causes
8570 * any current or future data/messages destined for these queues to be
8571 * tossed.
8572 */
t4_iq_stop(struct adapter * adap,unsigned int mbox,unsigned int pf,unsigned int vf,unsigned int iqtype,unsigned int iqid,unsigned int fl0id,unsigned int fl1id)8573 int t4_iq_stop(struct adapter *adap, unsigned int mbox, unsigned int pf,
8574 unsigned int vf, unsigned int iqtype, unsigned int iqid,
8575 unsigned int fl0id, unsigned int fl1id)
8576 {
8577 struct fw_iq_cmd c;
8578
8579 memset(&c, 0, sizeof(c));
8580 c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_IQ_CMD) | F_FW_CMD_REQUEST |
8581 F_FW_CMD_EXEC | V_FW_IQ_CMD_PFN(pf) |
8582 V_FW_IQ_CMD_VFN(vf));
8583 c.alloc_to_len16 = cpu_to_be32(F_FW_IQ_CMD_IQSTOP | FW_LEN16(c));
8584 c.type_to_iqandstindex = cpu_to_be32(V_FW_IQ_CMD_TYPE(iqtype));
8585 c.iqid = cpu_to_be16(iqid);
8586 c.fl0id = cpu_to_be16(fl0id);
8587 c.fl1id = cpu_to_be16(fl1id);
8588 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
8589 }
8590
8591 /**
8592 * t4_iq_free - free an ingress queue and its FLs
8593 * @adap: the adapter
8594 * @mbox: mailbox to use for the FW command
8595 * @pf: the PF owning the queues
8596 * @vf: the VF owning the queues
8597 * @iqtype: the ingress queue type (FW_IQ_TYPE_FL_INT_CAP, etc.)
8598 * @iqid: ingress queue id
8599 * @fl0id: FL0 queue id or 0xffff if no attached FL0
8600 * @fl1id: FL1 queue id or 0xffff if no attached FL1
8601 *
8602 * Frees an ingress queue and its associated FLs, if any.
8603 */
t4_iq_free(struct adapter * adap,unsigned int mbox,unsigned int pf,unsigned int vf,unsigned int iqtype,unsigned int iqid,unsigned int fl0id,unsigned int fl1id)8604 int t4_iq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
8605 unsigned int vf, unsigned int iqtype, unsigned int iqid,
8606 unsigned int fl0id, unsigned int fl1id)
8607 {
8608 struct fw_iq_cmd c;
8609
8610 memset(&c, 0, sizeof(c));
8611 c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_IQ_CMD) | F_FW_CMD_REQUEST |
8612 F_FW_CMD_EXEC | V_FW_IQ_CMD_PFN(pf) |
8613 V_FW_IQ_CMD_VFN(vf));
8614 c.alloc_to_len16 = cpu_to_be32(F_FW_IQ_CMD_FREE | FW_LEN16(c));
8615 c.type_to_iqandstindex = cpu_to_be32(V_FW_IQ_CMD_TYPE(iqtype));
8616 c.iqid = cpu_to_be16(iqid);
8617 c.fl0id = cpu_to_be16(fl0id);
8618 c.fl1id = cpu_to_be16(fl1id);
8619 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
8620 }
8621
8622 /**
8623 * t4_eth_eq_stop - stop an Ethernet egress queue
8624 * @adap: the adapter
8625 * @mbox: mailbox to use for the FW command
8626 * @pf: the PF owning the queues
8627 * @vf: the VF owning the queues
8628 * @eqid: egress queue id
8629 *
8630 * Stops an Ethernet egress queue. The queue can be reinitialized or
8631 * freed but is not otherwise functional after this call.
8632 */
t4_eth_eq_stop(struct adapter * adap,unsigned int mbox,unsigned int pf,unsigned int vf,unsigned int eqid)8633 int t4_eth_eq_stop(struct adapter *adap, unsigned int mbox, unsigned int pf,
8634 unsigned int vf, unsigned int eqid)
8635 {
8636 struct fw_eq_eth_cmd c;
8637
8638 memset(&c, 0, sizeof(c));
8639 c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_EQ_ETH_CMD) |
8640 F_FW_CMD_REQUEST | F_FW_CMD_EXEC |
8641 V_FW_EQ_ETH_CMD_PFN(pf) |
8642 V_FW_EQ_ETH_CMD_VFN(vf));
8643 c.alloc_to_len16 = cpu_to_be32(F_FW_EQ_ETH_CMD_EQSTOP | FW_LEN16(c));
8644 c.eqid_pkd = cpu_to_be32(V_FW_EQ_ETH_CMD_EQID(eqid));
8645 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
8646 }
8647
8648 /**
8649 * t4_eth_eq_free - free an Ethernet egress queue
8650 * @adap: the adapter
8651 * @mbox: mailbox to use for the FW command
8652 * @pf: the PF owning the queue
8653 * @vf: the VF owning the queue
8654 * @eqid: egress queue id
8655 *
8656 * Frees an Ethernet egress queue.
8657 */
t4_eth_eq_free(struct adapter * adap,unsigned int mbox,unsigned int pf,unsigned int vf,unsigned int eqid)8658 int t4_eth_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
8659 unsigned int vf, unsigned int eqid)
8660 {
8661 struct fw_eq_eth_cmd c;
8662
8663 memset(&c, 0, sizeof(c));
8664 c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_EQ_ETH_CMD) |
8665 F_FW_CMD_REQUEST | F_FW_CMD_EXEC |
8666 V_FW_EQ_ETH_CMD_PFN(pf) |
8667 V_FW_EQ_ETH_CMD_VFN(vf));
8668 c.alloc_to_len16 = cpu_to_be32(F_FW_EQ_ETH_CMD_FREE | FW_LEN16(c));
8669 c.eqid_pkd = cpu_to_be32(V_FW_EQ_ETH_CMD_EQID(eqid));
8670 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
8671 }
8672
8673 /**
8674 * t4_ctrl_eq_free - free a control egress queue
8675 * @adap: the adapter
8676 * @mbox: mailbox to use for the FW command
8677 * @pf: the PF owning the queue
8678 * @vf: the VF owning the queue
8679 * @eqid: egress queue id
8680 *
8681 * Frees a control egress queue.
8682 */
t4_ctrl_eq_free(struct adapter * adap,unsigned int mbox,unsigned int pf,unsigned int vf,unsigned int eqid)8683 int t4_ctrl_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
8684 unsigned int vf, unsigned int eqid)
8685 {
8686 struct fw_eq_ctrl_cmd c;
8687
8688 memset(&c, 0, sizeof(c));
8689 c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_EQ_CTRL_CMD) |
8690 F_FW_CMD_REQUEST | F_FW_CMD_EXEC |
8691 V_FW_EQ_CTRL_CMD_PFN(pf) |
8692 V_FW_EQ_CTRL_CMD_VFN(vf));
8693 c.alloc_to_len16 = cpu_to_be32(F_FW_EQ_CTRL_CMD_FREE | FW_LEN16(c));
8694 c.cmpliqid_eqid = cpu_to_be32(V_FW_EQ_CTRL_CMD_EQID(eqid));
8695 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
8696 }
8697
8698 /**
8699 * t4_ofld_eq_free - free an offload egress queue
8700 * @adap: the adapter
8701 * @mbox: mailbox to use for the FW command
8702 * @pf: the PF owning the queue
8703 * @vf: the VF owning the queue
8704 * @eqid: egress queue id
8705 *
8706 * Frees a control egress queue.
8707 */
t4_ofld_eq_free(struct adapter * adap,unsigned int mbox,unsigned int pf,unsigned int vf,unsigned int eqid)8708 int t4_ofld_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
8709 unsigned int vf, unsigned int eqid)
8710 {
8711 struct fw_eq_ofld_cmd c;
8712
8713 memset(&c, 0, sizeof(c));
8714 c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_EQ_OFLD_CMD) |
8715 F_FW_CMD_REQUEST | F_FW_CMD_EXEC |
8716 V_FW_EQ_OFLD_CMD_PFN(pf) |
8717 V_FW_EQ_OFLD_CMD_VFN(vf));
8718 c.alloc_to_len16 = cpu_to_be32(F_FW_EQ_OFLD_CMD_FREE | FW_LEN16(c));
8719 c.eqid_pkd = cpu_to_be32(V_FW_EQ_OFLD_CMD_EQID(eqid));
8720 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
8721 }
8722
8723 /**
8724 * t4_link_down_rc_str - return a string for a Link Down Reason Code
8725 * @link_down_rc: Link Down Reason Code
8726 *
8727 * Returns a string representation of the Link Down Reason Code.
8728 */
t4_link_down_rc_str(unsigned char link_down_rc)8729 const char *t4_link_down_rc_str(unsigned char link_down_rc)
8730 {
8731 static const char *reason[] = {
8732 "Link Down",
8733 "Remote Fault",
8734 "Auto-negotiation Failure",
8735 "Reserved3",
8736 "Insufficient Airflow",
8737 "Unable To Determine Reason",
8738 "No RX Signal Detected",
8739 "Reserved7",
8740 };
8741
8742 if (link_down_rc >= ARRAY_SIZE(reason))
8743 return "Bad Reason Code";
8744
8745 return reason[link_down_rc];
8746 }
8747
8748 /*
8749 * Return the highest speed set in the port capabilities, in Mb/s.
8750 */
fwcap_to_speed(uint32_t caps)8751 unsigned int fwcap_to_speed(uint32_t caps)
8752 {
8753 #define TEST_SPEED_RETURN(__caps_speed, __speed) \
8754 do { \
8755 if (caps & FW_PORT_CAP32_SPEED_##__caps_speed) \
8756 return __speed; \
8757 } while (0)
8758
8759 TEST_SPEED_RETURN(400G, 400000);
8760 TEST_SPEED_RETURN(200G, 200000);
8761 TEST_SPEED_RETURN(100G, 100000);
8762 TEST_SPEED_RETURN(50G, 50000);
8763 TEST_SPEED_RETURN(40G, 40000);
8764 TEST_SPEED_RETURN(25G, 25000);
8765 TEST_SPEED_RETURN(10G, 10000);
8766 TEST_SPEED_RETURN(1G, 1000);
8767 TEST_SPEED_RETURN(100M, 100);
8768
8769 #undef TEST_SPEED_RETURN
8770
8771 return 0;
8772 }
8773
8774 /*
8775 * Return the port capabilities bit for the given speed, which is in Mb/s.
8776 */
speed_to_fwcap(unsigned int speed)8777 uint32_t speed_to_fwcap(unsigned int speed)
8778 {
8779 #define TEST_SPEED_RETURN(__caps_speed, __speed) \
8780 do { \
8781 if (speed == __speed) \
8782 return FW_PORT_CAP32_SPEED_##__caps_speed; \
8783 } while (0)
8784
8785 TEST_SPEED_RETURN(400G, 400000);
8786 TEST_SPEED_RETURN(200G, 200000);
8787 TEST_SPEED_RETURN(100G, 100000);
8788 TEST_SPEED_RETURN(50G, 50000);
8789 TEST_SPEED_RETURN(40G, 40000);
8790 TEST_SPEED_RETURN(25G, 25000);
8791 TEST_SPEED_RETURN(10G, 10000);
8792 TEST_SPEED_RETURN(1G, 1000);
8793 TEST_SPEED_RETURN(100M, 100);
8794
8795 #undef TEST_SPEED_RETURN
8796
8797 return 0;
8798 }
8799
8800 /*
8801 * Return the port capabilities bit for the highest speed in the capabilities.
8802 */
fwcap_top_speed(uint32_t caps)8803 uint32_t fwcap_top_speed(uint32_t caps)
8804 {
8805 #define TEST_SPEED_RETURN(__caps_speed) \
8806 do { \
8807 if (caps & FW_PORT_CAP32_SPEED_##__caps_speed) \
8808 return FW_PORT_CAP32_SPEED_##__caps_speed; \
8809 } while (0)
8810
8811 TEST_SPEED_RETURN(400G);
8812 TEST_SPEED_RETURN(200G);
8813 TEST_SPEED_RETURN(100G);
8814 TEST_SPEED_RETURN(50G);
8815 TEST_SPEED_RETURN(40G);
8816 TEST_SPEED_RETURN(25G);
8817 TEST_SPEED_RETURN(10G);
8818 TEST_SPEED_RETURN(1G);
8819 TEST_SPEED_RETURN(100M);
8820
8821 #undef TEST_SPEED_RETURN
8822
8823 return 0;
8824 }
8825
8826 /**
8827 * lstatus_to_fwcap - translate old lstatus to 32-bit Port Capabilities
8828 * @lstatus: old FW_PORT_ACTION_GET_PORT_INFO lstatus value
8829 *
8830 * Translates old FW_PORT_ACTION_GET_PORT_INFO lstatus field into new
8831 * 32-bit Port Capabilities value.
8832 */
lstatus_to_fwcap(u32 lstatus)8833 static uint32_t lstatus_to_fwcap(u32 lstatus)
8834 {
8835 uint32_t linkattr = 0;
8836
8837 /*
8838 * Unfortunately the format of the Link Status in the old
8839 * 16-bit Port Information message isn't the same as the
8840 * 16-bit Port Capabilities bitfield used everywhere else ...
8841 */
8842 if (lstatus & F_FW_PORT_CMD_RXPAUSE)
8843 linkattr |= FW_PORT_CAP32_FC_RX;
8844 if (lstatus & F_FW_PORT_CMD_TXPAUSE)
8845 linkattr |= FW_PORT_CAP32_FC_TX;
8846 if (lstatus & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_100M))
8847 linkattr |= FW_PORT_CAP32_SPEED_100M;
8848 if (lstatus & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_1G))
8849 linkattr |= FW_PORT_CAP32_SPEED_1G;
8850 if (lstatus & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_10G))
8851 linkattr |= FW_PORT_CAP32_SPEED_10G;
8852 if (lstatus & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_25G))
8853 linkattr |= FW_PORT_CAP32_SPEED_25G;
8854 if (lstatus & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_40G))
8855 linkattr |= FW_PORT_CAP32_SPEED_40G;
8856 if (lstatus & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_100G))
8857 linkattr |= FW_PORT_CAP32_SPEED_100G;
8858
8859 return linkattr;
8860 }
8861
8862 /*
8863 * Updates all fields owned by the common code in port_info and link_config
8864 * based on information provided by the firmware. Does not touch any
8865 * requested_* field.
8866 */
handle_port_info(struct port_info * pi,const struct fw_port_cmd * p,enum fw_port_action action,bool * mod_changed,bool * link_changed)8867 static void handle_port_info(struct port_info *pi, const struct fw_port_cmd *p,
8868 enum fw_port_action action, bool *mod_changed, bool *link_changed)
8869 {
8870 struct link_config old_lc, *lc = &pi->link_cfg;
8871 unsigned char fc;
8872 u32 stat, linkattr;
8873 int old_ptype, old_mtype;
8874
8875 old_ptype = pi->port_type;
8876 old_mtype = pi->mod_type;
8877 old_lc = *lc;
8878 if (action == FW_PORT_ACTION_GET_PORT_INFO) {
8879 stat = be32_to_cpu(p->u.info.lstatus_to_modtype);
8880
8881 pi->port_type = G_FW_PORT_CMD_PTYPE(stat);
8882 pi->mod_type = G_FW_PORT_CMD_MODTYPE(stat);
8883 pi->mdio_addr = stat & F_FW_PORT_CMD_MDIOCAP ?
8884 G_FW_PORT_CMD_MDIOADDR(stat) : -1;
8885
8886 lc->pcaps = fwcaps16_to_caps32(be16_to_cpu(p->u.info.pcap));
8887 lc->acaps = fwcaps16_to_caps32(be16_to_cpu(p->u.info.acap));
8888 lc->lpacaps = fwcaps16_to_caps32(be16_to_cpu(p->u.info.lpacap));
8889 lc->link_ok = (stat & F_FW_PORT_CMD_LSTATUS) != 0;
8890 lc->link_down_rc = G_FW_PORT_CMD_LINKDNRC(stat);
8891
8892 linkattr = lstatus_to_fwcap(stat);
8893 } else if (action == FW_PORT_ACTION_GET_PORT_INFO32) {
8894 stat = be32_to_cpu(p->u.info32.lstatus32_to_cbllen32);
8895
8896 pi->port_type = G_FW_PORT_CMD_PORTTYPE32(stat);
8897 pi->mod_type = G_FW_PORT_CMD_MODTYPE32(stat);
8898 pi->mdio_addr = stat & F_FW_PORT_CMD_MDIOCAP32 ?
8899 G_FW_PORT_CMD_MDIOADDR32(stat) : -1;
8900
8901 lc->pcaps = be32_to_cpu(p->u.info32.pcaps32);
8902 lc->acaps = be32_to_cpu(p->u.info32.acaps32);
8903 lc->lpacaps = be32_to_cpu(p->u.info32.lpacaps32);
8904 lc->link_ok = (stat & F_FW_PORT_CMD_LSTATUS32) != 0;
8905 lc->link_down_rc = G_FW_PORT_CMD_LINKDNRC32(stat);
8906
8907 linkattr = be32_to_cpu(p->u.info32.linkattr32);
8908 } else {
8909 CH_ERR(pi->adapter, "bad port_info action 0x%x\n", action);
8910 return;
8911 }
8912
8913 lc->speed = fwcap_to_speed(linkattr);
8914 lc->fec = fwcap_to_fec(linkattr, true);
8915
8916 fc = 0;
8917 if (linkattr & FW_PORT_CAP32_FC_RX)
8918 fc |= PAUSE_RX;
8919 if (linkattr & FW_PORT_CAP32_FC_TX)
8920 fc |= PAUSE_TX;
8921 lc->fc = fc;
8922
8923 if (mod_changed != NULL)
8924 *mod_changed = false;
8925 if (link_changed != NULL)
8926 *link_changed = false;
8927 if (old_ptype != pi->port_type || old_mtype != pi->mod_type ||
8928 old_lc.pcaps != lc->pcaps) {
8929 if (pi->mod_type != FW_PORT_MOD_TYPE_NONE)
8930 lc->fec_hint = fwcap_to_fec(lc->acaps, true);
8931 if (mod_changed != NULL)
8932 *mod_changed = true;
8933 }
8934 if (old_lc.link_ok != lc->link_ok || old_lc.speed != lc->speed ||
8935 old_lc.fec != lc->fec || old_lc.fc != lc->fc) {
8936 if (link_changed != NULL)
8937 *link_changed = true;
8938 }
8939 }
8940
8941 /**
8942 * t4_update_port_info - retrieve and update port information if changed
8943 * @pi: the port_info
8944 *
8945 * We issue a Get Port Information Command to the Firmware and, if
8946 * successful, we check to see if anything is different from what we
8947 * last recorded and update things accordingly.
8948 */
t4_update_port_info(struct port_info * pi)8949 int t4_update_port_info(struct port_info *pi)
8950 {
8951 struct adapter *sc = pi->adapter;
8952 struct fw_port_cmd cmd;
8953 enum fw_port_action action;
8954 int ret;
8955
8956 memset(&cmd, 0, sizeof(cmd));
8957 cmd.op_to_portid = cpu_to_be32(V_FW_CMD_OP(FW_PORT_CMD) |
8958 F_FW_CMD_REQUEST | F_FW_CMD_READ |
8959 V_FW_PORT_CMD_PORTID(pi->tx_chan));
8960 action = sc->params.port_caps32 ? FW_PORT_ACTION_GET_PORT_INFO32 :
8961 FW_PORT_ACTION_GET_PORT_INFO;
8962 cmd.action_to_len16 = cpu_to_be32(V_FW_PORT_CMD_ACTION(action) |
8963 FW_LEN16(cmd));
8964 ret = t4_wr_mbox_ns(sc, sc->mbox, &cmd, sizeof(cmd), &cmd);
8965 if (ret)
8966 return ret;
8967
8968 handle_port_info(pi, &cmd, action, NULL, NULL);
8969 return 0;
8970 }
8971
8972 /**
8973 * t4_handle_fw_rpl - process a FW reply message
8974 * @adap: the adapter
8975 * @rpl: start of the FW message
8976 *
8977 * Processes a FW message, such as link state change messages.
8978 */
t4_handle_fw_rpl(struct adapter * adap,const __be64 * rpl)8979 int t4_handle_fw_rpl(struct adapter *adap, const __be64 *rpl)
8980 {
8981 u8 opcode = *(const u8 *)rpl;
8982 const struct fw_port_cmd *p = (const void *)rpl;
8983 enum fw_port_action action =
8984 G_FW_PORT_CMD_ACTION(be32_to_cpu(p->action_to_len16));
8985 bool mod_changed, link_changed;
8986
8987 if (opcode == FW_PORT_CMD &&
8988 (action == FW_PORT_ACTION_GET_PORT_INFO ||
8989 action == FW_PORT_ACTION_GET_PORT_INFO32)) {
8990 /* link/module state change message */
8991 int i;
8992 int chan = G_FW_PORT_CMD_PORTID(be32_to_cpu(p->op_to_portid));
8993 struct port_info *pi = NULL;
8994 struct link_config *lc;
8995
8996 for_each_port(adap, i) {
8997 pi = adap2pinfo(adap, i);
8998 if (pi->tx_chan == chan)
8999 break;
9000 }
9001
9002 lc = &pi->link_cfg;
9003 PORT_LOCK(pi);
9004 handle_port_info(pi, p, action, &mod_changed, &link_changed);
9005 PORT_UNLOCK(pi);
9006 if (mod_changed)
9007 t4_os_portmod_changed(pi);
9008 if (link_changed) {
9009 PORT_LOCK(pi);
9010 t4_os_link_changed(pi);
9011 PORT_UNLOCK(pi);
9012 }
9013 } else {
9014 CH_WARN_RATELIMIT(adap, "Unknown firmware reply %d\n", opcode);
9015 return -EINVAL;
9016 }
9017 return 0;
9018 }
9019
9020 /**
9021 * get_pci_mode - determine a card's PCI mode
9022 * @adapter: the adapter
9023 * @p: where to store the PCI settings
9024 *
9025 * Determines a card's PCI mode and associated parameters, such as speed
9026 * and width.
9027 */
get_pci_mode(struct adapter * adapter,struct pci_params * p)9028 static void get_pci_mode(struct adapter *adapter,
9029 struct pci_params *p)
9030 {
9031 u16 val;
9032 u32 pcie_cap;
9033
9034 pcie_cap = t4_os_find_pci_capability(adapter, PCI_CAP_ID_EXP);
9035 if (pcie_cap) {
9036 t4_os_pci_read_cfg2(adapter, pcie_cap + PCI_EXP_LNKSTA, &val);
9037 p->speed = val & PCI_EXP_LNKSTA_CLS;
9038 p->width = (val & PCI_EXP_LNKSTA_NLW) >> 4;
9039 }
9040 }
9041
9042 struct flash_desc {
9043 u32 vendor_and_model_id;
9044 u32 size_mb;
9045 };
9046
t4_get_flash_params(struct adapter * adapter)9047 int t4_get_flash_params(struct adapter *adapter)
9048 {
9049 /*
9050 * Table for non-standard supported Flash parts. Note, all Flash
9051 * parts must have 64KB sectors.
9052 */
9053 static struct flash_desc supported_flash[] = {
9054 { 0x00150201, 4 << 20 }, /* Spansion 4MB S25FL032P */
9055 };
9056
9057 int ret;
9058 u32 flashid = 0;
9059 unsigned int part, manufacturer;
9060 unsigned int density, size = 0;
9061
9062
9063 /*
9064 * Issue a Read ID Command to the Flash part. We decode supported
9065 * Flash parts and their sizes from this. There's a newer Query
9066 * Command which can retrieve detailed geometry information but many
9067 * Flash parts don't support it.
9068 */
9069 ret = sf1_write(adapter, 1, 1, 0, SF_RD_ID);
9070 if (!ret)
9071 ret = sf1_read(adapter, 3, 0, 1, &flashid);
9072 t4_write_reg(adapter, A_SF_OP, 0); /* unlock SF */
9073 if (ret < 0)
9074 return ret;
9075
9076 /*
9077 * Check to see if it's one of our non-standard supported Flash parts.
9078 */
9079 for (part = 0; part < ARRAY_SIZE(supported_flash); part++)
9080 if (supported_flash[part].vendor_and_model_id == flashid) {
9081 adapter->params.sf_size =
9082 supported_flash[part].size_mb;
9083 adapter->params.sf_nsec =
9084 adapter->params.sf_size / SF_SEC_SIZE;
9085 goto found;
9086 }
9087
9088 /*
9089 * Decode Flash part size. The code below looks repetative with
9090 * common encodings, but that's not guaranteed in the JEDEC
9091 * specification for the Read JADEC ID command. The only thing that
9092 * we're guaranteed by the JADEC specification is where the
9093 * Manufacturer ID is in the returned result. After that each
9094 * Manufacturer ~could~ encode things completely differently.
9095 * Note, all Flash parts must have 64KB sectors.
9096 */
9097 manufacturer = flashid & 0xff;
9098 switch (manufacturer) {
9099 case 0x20: /* Micron/Numonix */
9100 /*
9101 * This Density -> Size decoding table is taken from Micron
9102 * Data Sheets.
9103 */
9104 density = (flashid >> 16) & 0xff;
9105 switch (density) {
9106 case 0x14: size = 1 << 20; break; /* 1MB */
9107 case 0x15: size = 1 << 21; break; /* 2MB */
9108 case 0x16: size = 1 << 22; break; /* 4MB */
9109 case 0x17: size = 1 << 23; break; /* 8MB */
9110 case 0x18: size = 1 << 24; break; /* 16MB */
9111 case 0x19: size = 1 << 25; break; /* 32MB */
9112 case 0x20: size = 1 << 26; break; /* 64MB */
9113 case 0x21: size = 1 << 27; break; /* 128MB */
9114 case 0x22: size = 1 << 28; break; /* 256MB */
9115 }
9116 break;
9117
9118 case 0x9d: /* ISSI -- Integrated Silicon Solution, Inc. */
9119 /*
9120 * This Density -> Size decoding table is taken from ISSI
9121 * Data Sheets.
9122 */
9123 density = (flashid >> 16) & 0xff;
9124 switch (density) {
9125 case 0x16: size = 1 << 25; break; /* 32MB */
9126 case 0x17: size = 1 << 26; break; /* 64MB */
9127 }
9128 break;
9129
9130 case 0xc2: /* Macronix */
9131 /*
9132 * This Density -> Size decoding table is taken from Macronix
9133 * Data Sheets.
9134 */
9135 density = (flashid >> 16) & 0xff;
9136 switch (density) {
9137 case 0x17: size = 1 << 23; break; /* 8MB */
9138 case 0x18: size = 1 << 24; break; /* 16MB */
9139 }
9140 break;
9141
9142 case 0xef: /* Winbond */
9143 /*
9144 * This Density -> Size decoding table is taken from Winbond
9145 * Data Sheets.
9146 */
9147 density = (flashid >> 16) & 0xff;
9148 switch (density) {
9149 case 0x17: size = 1 << 23; break; /* 8MB */
9150 case 0x18: size = 1 << 24; break; /* 16MB */
9151 }
9152 break;
9153 }
9154
9155 /* If we didn't recognize the FLASH part, that's no real issue: the
9156 * Hardware/Software contract says that Hardware will _*ALWAYS*_
9157 * use a FLASH part which is at least 4MB in size and has 64KB
9158 * sectors. The unrecognized FLASH part is likely to be much larger
9159 * than 4MB, but that's all we really need.
9160 */
9161 if (size == 0) {
9162 CH_WARN(adapter, "Unknown Flash Part, ID = %#x, assuming 4MB\n", flashid);
9163 size = 1 << 22;
9164 }
9165
9166 /*
9167 * Store decoded Flash size and fall through into vetting code.
9168 */
9169 adapter->params.sf_size = size;
9170 adapter->params.sf_nsec = size / SF_SEC_SIZE;
9171
9172 found:
9173 /*
9174 * We should ~probably~ reject adapters with FLASHes which are too
9175 * small but we have some legacy FPGAs with small FLASHes that we'd
9176 * still like to use. So instead we emit a scary message ...
9177 */
9178 if (adapter->params.sf_size < FLASH_MIN_SIZE)
9179 CH_WARN(adapter, "WARNING: Flash Part ID %#x, size %#x < %#x\n",
9180 flashid, adapter->params.sf_size, FLASH_MIN_SIZE);
9181
9182 return 0;
9183 }
9184
set_pcie_completion_timeout(struct adapter * adapter,u8 range)9185 static void set_pcie_completion_timeout(struct adapter *adapter,
9186 u8 range)
9187 {
9188 u16 val;
9189 u32 pcie_cap;
9190
9191 pcie_cap = t4_os_find_pci_capability(adapter, PCI_CAP_ID_EXP);
9192 if (pcie_cap) {
9193 t4_os_pci_read_cfg2(adapter, pcie_cap + PCI_EXP_DEVCTL2, &val);
9194 val &= 0xfff0;
9195 val |= range ;
9196 t4_os_pci_write_cfg2(adapter, pcie_cap + PCI_EXP_DEVCTL2, val);
9197 }
9198 }
9199
t4_get_chip_params(int chipid)9200 const struct chip_params *t4_get_chip_params(int chipid)
9201 {
9202 static const struct chip_params chip_params[] = {
9203 {
9204 /* T4 */
9205 .nchan = NCHAN,
9206 .pm_stats_cnt = PM_NSTATS,
9207 .cng_ch_bits_log = 2,
9208 .nsched_cls = 15,
9209 .cim_num_obq = CIM_NUM_OBQ,
9210 .mps_rplc_size = 128,
9211 .vfcount = 128,
9212 .sge_fl_db = F_DBPRIO,
9213 .mps_tcam_size = NUM_MPS_CLS_SRAM_L_INSTANCES,
9214 .rss_nentries = RSS_NENTRIES,
9215 },
9216 {
9217 /* T5 */
9218 .nchan = NCHAN,
9219 .pm_stats_cnt = PM_NSTATS,
9220 .cng_ch_bits_log = 2,
9221 .nsched_cls = 16,
9222 .cim_num_obq = CIM_NUM_OBQ_T5,
9223 .mps_rplc_size = 128,
9224 .vfcount = 128,
9225 .sge_fl_db = F_DBPRIO | F_DBTYPE,
9226 .mps_tcam_size = NUM_MPS_T5_CLS_SRAM_L_INSTANCES,
9227 .rss_nentries = RSS_NENTRIES,
9228 },
9229 {
9230 /* T6 */
9231 .nchan = T6_NCHAN,
9232 .pm_stats_cnt = T6_PM_NSTATS,
9233 .cng_ch_bits_log = 3,
9234 .nsched_cls = 16,
9235 .cim_num_obq = CIM_NUM_OBQ_T5,
9236 .mps_rplc_size = 256,
9237 .vfcount = 256,
9238 .sge_fl_db = 0,
9239 .mps_tcam_size = NUM_MPS_T5_CLS_SRAM_L_INSTANCES,
9240 .rss_nentries = T6_RSS_NENTRIES,
9241 },
9242 };
9243
9244 chipid -= CHELSIO_T4;
9245 if (chipid < 0 || chipid >= ARRAY_SIZE(chip_params))
9246 return NULL;
9247
9248 return &chip_params[chipid];
9249 }
9250
9251 /**
9252 * t4_prep_adapter - prepare SW and HW for operation
9253 * @adapter: the adapter
9254 * @buf: temporary space of at least VPD_LEN size provided by the caller.
9255 *
9256 * Initialize adapter SW state for the various HW modules, set initial
9257 * values for some adapter tunables, take PHYs out of reset, and
9258 * initialize the MDIO interface.
9259 */
t4_prep_adapter(struct adapter * adapter,u32 * buf)9260 int t4_prep_adapter(struct adapter *adapter, u32 *buf)
9261 {
9262 int ret;
9263 uint16_t device_id;
9264 uint32_t pl_rev;
9265
9266 get_pci_mode(adapter, &adapter->params.pci);
9267
9268 pl_rev = t4_read_reg(adapter, A_PL_REV);
9269 adapter->params.chipid = G_CHIPID(pl_rev);
9270 adapter->params.rev = G_REV(pl_rev);
9271 if (adapter->params.chipid == 0) {
9272 /* T4 did not have chipid in PL_REV (T5 onwards do) */
9273 adapter->params.chipid = CHELSIO_T4;
9274
9275 /* T4A1 chip is not supported */
9276 if (adapter->params.rev == 1) {
9277 CH_ALERT(adapter, "T4 rev 1 chip is not supported.\n");
9278 return -EINVAL;
9279 }
9280 }
9281
9282 adapter->chip_params = t4_get_chip_params(chip_id(adapter));
9283 if (adapter->chip_params == NULL)
9284 return -EINVAL;
9285
9286 adapter->params.pci.vpd_cap_addr =
9287 t4_os_find_pci_capability(adapter, PCI_CAP_ID_VPD);
9288
9289 ret = t4_get_flash_params(adapter);
9290 if (ret < 0)
9291 return ret;
9292
9293 /* Cards with real ASICs have the chipid in the PCIe device id */
9294 t4_os_pci_read_cfg2(adapter, PCI_DEVICE_ID, &device_id);
9295 if (device_id >> 12 == chip_id(adapter))
9296 adapter->params.cim_la_size = CIMLA_SIZE;
9297 else {
9298 /* FPGA */
9299 adapter->params.fpga = 1;
9300 adapter->params.cim_la_size = 2 * CIMLA_SIZE;
9301 }
9302
9303 ret = get_vpd_params(adapter, &adapter->params.vpd, device_id, buf);
9304 if (ret < 0)
9305 return ret;
9306
9307 init_cong_ctrl(adapter->params.a_wnd, adapter->params.b_wnd);
9308
9309 /*
9310 * Default port and clock for debugging in case we can't reach FW.
9311 */
9312 adapter->params.nports = 1;
9313 adapter->params.portvec = 1;
9314 adapter->params.vpd.cclk = 50000;
9315
9316 /* Set pci completion timeout value to 4 seconds. */
9317 set_pcie_completion_timeout(adapter, 0xd);
9318 return 0;
9319 }
9320
9321 /**
9322 * t4_shutdown_adapter - shut down adapter, host & wire
9323 * @adapter: the adapter
9324 *
9325 * Perform an emergency shutdown of the adapter and stop it from
9326 * continuing any further communication on the ports or DMA to the
9327 * host. This is typically used when the adapter and/or firmware
9328 * have crashed and we want to prevent any further accidental
9329 * communication with the rest of the world. This will also force
9330 * the port Link Status to go down -- if register writes work --
9331 * which should help our peers figure out that we're down.
9332 */
t4_shutdown_adapter(struct adapter * adapter)9333 int t4_shutdown_adapter(struct adapter *adapter)
9334 {
9335 int port;
9336
9337 t4_intr_disable(adapter);
9338 t4_write_reg(adapter, A_DBG_GPIO_EN, 0);
9339 for_each_port(adapter, port) {
9340 u32 a_port_cfg = is_t4(adapter) ?
9341 PORT_REG(port, A_XGMAC_PORT_CFG) :
9342 T5_PORT_REG(port, A_MAC_PORT_CFG);
9343
9344 t4_write_reg(adapter, a_port_cfg,
9345 t4_read_reg(adapter, a_port_cfg)
9346 & ~V_SIGNAL_DET(1));
9347 }
9348 t4_set_reg_field(adapter, A_SGE_CONTROL, F_GLOBALENABLE, 0);
9349
9350 return 0;
9351 }
9352
9353 /**
9354 * t4_bar2_sge_qregs - return BAR2 SGE Queue register information
9355 * @adapter: the adapter
9356 * @qid: the Queue ID
9357 * @qtype: the Ingress or Egress type for @qid
9358 * @user: true if this request is for a user mode queue
9359 * @pbar2_qoffset: BAR2 Queue Offset
9360 * @pbar2_qid: BAR2 Queue ID or 0 for Queue ID inferred SGE Queues
9361 *
9362 * Returns the BAR2 SGE Queue Registers information associated with the
9363 * indicated Absolute Queue ID. These are passed back in return value
9364 * pointers. @qtype should be T4_BAR2_QTYPE_EGRESS for Egress Queue
9365 * and T4_BAR2_QTYPE_INGRESS for Ingress Queues.
9366 *
9367 * This may return an error which indicates that BAR2 SGE Queue
9368 * registers aren't available. If an error is not returned, then the
9369 * following values are returned:
9370 *
9371 * *@pbar2_qoffset: the BAR2 Offset of the @qid Registers
9372 * *@pbar2_qid: the BAR2 SGE Queue ID or 0 of @qid
9373 *
9374 * If the returned BAR2 Queue ID is 0, then BAR2 SGE registers which
9375 * require the "Inferred Queue ID" ability may be used. E.g. the
9376 * Write Combining Doorbell Buffer. If the BAR2 Queue ID is not 0,
9377 * then these "Inferred Queue ID" register may not be used.
9378 */
t4_bar2_sge_qregs(struct adapter * adapter,unsigned int qid,enum t4_bar2_qtype qtype,int user,u64 * pbar2_qoffset,unsigned int * pbar2_qid)9379 int t4_bar2_sge_qregs(struct adapter *adapter,
9380 unsigned int qid,
9381 enum t4_bar2_qtype qtype,
9382 int user,
9383 u64 *pbar2_qoffset,
9384 unsigned int *pbar2_qid)
9385 {
9386 unsigned int page_shift, page_size, qpp_shift, qpp_mask;
9387 u64 bar2_page_offset, bar2_qoffset;
9388 unsigned int bar2_qid, bar2_qid_offset, bar2_qinferred;
9389
9390 /* T4 doesn't support BAR2 SGE Queue registers for kernel
9391 * mode queues.
9392 */
9393 if (!user && is_t4(adapter))
9394 return -EINVAL;
9395
9396 /* Get our SGE Page Size parameters.
9397 */
9398 page_shift = adapter->params.sge.page_shift;
9399 page_size = 1 << page_shift;
9400
9401 /* Get the right Queues per Page parameters for our Queue.
9402 */
9403 qpp_shift = (qtype == T4_BAR2_QTYPE_EGRESS
9404 ? adapter->params.sge.eq_s_qpp
9405 : adapter->params.sge.iq_s_qpp);
9406 qpp_mask = (1 << qpp_shift) - 1;
9407
9408 /* Calculate the basics of the BAR2 SGE Queue register area:
9409 * o The BAR2 page the Queue registers will be in.
9410 * o The BAR2 Queue ID.
9411 * o The BAR2 Queue ID Offset into the BAR2 page.
9412 */
9413 bar2_page_offset = ((u64)(qid >> qpp_shift) << page_shift);
9414 bar2_qid = qid & qpp_mask;
9415 bar2_qid_offset = bar2_qid * SGE_UDB_SIZE;
9416
9417 /* If the BAR2 Queue ID Offset is less than the Page Size, then the
9418 * hardware will infer the Absolute Queue ID simply from the writes to
9419 * the BAR2 Queue ID Offset within the BAR2 Page (and we need to use a
9420 * BAR2 Queue ID of 0 for those writes). Otherwise, we'll simply
9421 * write to the first BAR2 SGE Queue Area within the BAR2 Page with
9422 * the BAR2 Queue ID and the hardware will infer the Absolute Queue ID
9423 * from the BAR2 Page and BAR2 Queue ID.
9424 *
9425 * One important censequence of this is that some BAR2 SGE registers
9426 * have a "Queue ID" field and we can write the BAR2 SGE Queue ID
9427 * there. But other registers synthesize the SGE Queue ID purely
9428 * from the writes to the registers -- the Write Combined Doorbell
9429 * Buffer is a good example. These BAR2 SGE Registers are only
9430 * available for those BAR2 SGE Register areas where the SGE Absolute
9431 * Queue ID can be inferred from simple writes.
9432 */
9433 bar2_qoffset = bar2_page_offset;
9434 bar2_qinferred = (bar2_qid_offset < page_size);
9435 if (bar2_qinferred) {
9436 bar2_qoffset += bar2_qid_offset;
9437 bar2_qid = 0;
9438 }
9439
9440 *pbar2_qoffset = bar2_qoffset;
9441 *pbar2_qid = bar2_qid;
9442 return 0;
9443 }
9444
9445 /**
9446 * t4_init_devlog_params - initialize adapter->params.devlog
9447 * @adap: the adapter
9448 * @fw_attach: whether we can talk to the firmware
9449 *
9450 * Initialize various fields of the adapter's Firmware Device Log
9451 * Parameters structure.
9452 */
t4_init_devlog_params(struct adapter * adap,int fw_attach)9453 int t4_init_devlog_params(struct adapter *adap, int fw_attach)
9454 {
9455 struct devlog_params *dparams = &adap->params.devlog;
9456 u32 pf_dparams;
9457 unsigned int devlog_meminfo;
9458 struct fw_devlog_cmd devlog_cmd;
9459 int ret;
9460
9461 /* If we're dealing with newer firmware, the Device Log Paramerters
9462 * are stored in a designated register which allows us to access the
9463 * Device Log even if we can't talk to the firmware.
9464 */
9465 pf_dparams =
9466 t4_read_reg(adap, PCIE_FW_REG(A_PCIE_FW_PF, PCIE_FW_PF_DEVLOG));
9467 if (pf_dparams) {
9468 unsigned int nentries, nentries128;
9469
9470 dparams->memtype = G_PCIE_FW_PF_DEVLOG_MEMTYPE(pf_dparams);
9471 dparams->start = G_PCIE_FW_PF_DEVLOG_ADDR16(pf_dparams) << 4;
9472
9473 nentries128 = G_PCIE_FW_PF_DEVLOG_NENTRIES128(pf_dparams);
9474 nentries = (nentries128 + 1) * 128;
9475 dparams->size = nentries * sizeof(struct fw_devlog_e);
9476
9477 return 0;
9478 }
9479
9480 /*
9481 * For any failing returns ...
9482 */
9483 memset(dparams, 0, sizeof *dparams);
9484
9485 /*
9486 * If we can't talk to the firmware, there's really nothing we can do
9487 * at this point.
9488 */
9489 if (!fw_attach)
9490 return -ENXIO;
9491
9492 /* Otherwise, ask the firmware for it's Device Log Parameters.
9493 */
9494 memset(&devlog_cmd, 0, sizeof devlog_cmd);
9495 devlog_cmd.op_to_write = cpu_to_be32(V_FW_CMD_OP(FW_DEVLOG_CMD) |
9496 F_FW_CMD_REQUEST | F_FW_CMD_READ);
9497 devlog_cmd.retval_len16 = cpu_to_be32(FW_LEN16(devlog_cmd));
9498 ret = t4_wr_mbox(adap, adap->mbox, &devlog_cmd, sizeof(devlog_cmd),
9499 &devlog_cmd);
9500 if (ret)
9501 return ret;
9502
9503 devlog_meminfo =
9504 be32_to_cpu(devlog_cmd.memtype_devlog_memaddr16_devlog);
9505 dparams->memtype = G_FW_DEVLOG_CMD_MEMTYPE_DEVLOG(devlog_meminfo);
9506 dparams->start = G_FW_DEVLOG_CMD_MEMADDR16_DEVLOG(devlog_meminfo) << 4;
9507 dparams->size = be32_to_cpu(devlog_cmd.memsize_devlog);
9508
9509 return 0;
9510 }
9511
9512 /**
9513 * t4_init_sge_params - initialize adap->params.sge
9514 * @adapter: the adapter
9515 *
9516 * Initialize various fields of the adapter's SGE Parameters structure.
9517 */
t4_init_sge_params(struct adapter * adapter)9518 int t4_init_sge_params(struct adapter *adapter)
9519 {
9520 u32 r;
9521 struct sge_params *sp = &adapter->params.sge;
9522 unsigned i, tscale = 1;
9523
9524 r = t4_read_reg(adapter, A_SGE_INGRESS_RX_THRESHOLD);
9525 sp->counter_val[0] = G_THRESHOLD_0(r);
9526 sp->counter_val[1] = G_THRESHOLD_1(r);
9527 sp->counter_val[2] = G_THRESHOLD_2(r);
9528 sp->counter_val[3] = G_THRESHOLD_3(r);
9529
9530 if (chip_id(adapter) >= CHELSIO_T6) {
9531 r = t4_read_reg(adapter, A_SGE_ITP_CONTROL);
9532 tscale = G_TSCALE(r);
9533 if (tscale == 0)
9534 tscale = 1;
9535 else
9536 tscale += 2;
9537 }
9538
9539 r = t4_read_reg(adapter, A_SGE_TIMER_VALUE_0_AND_1);
9540 sp->timer_val[0] = core_ticks_to_us(adapter, G_TIMERVALUE0(r)) * tscale;
9541 sp->timer_val[1] = core_ticks_to_us(adapter, G_TIMERVALUE1(r)) * tscale;
9542 r = t4_read_reg(adapter, A_SGE_TIMER_VALUE_2_AND_3);
9543 sp->timer_val[2] = core_ticks_to_us(adapter, G_TIMERVALUE2(r)) * tscale;
9544 sp->timer_val[3] = core_ticks_to_us(adapter, G_TIMERVALUE3(r)) * tscale;
9545 r = t4_read_reg(adapter, A_SGE_TIMER_VALUE_4_AND_5);
9546 sp->timer_val[4] = core_ticks_to_us(adapter, G_TIMERVALUE4(r)) * tscale;
9547 sp->timer_val[5] = core_ticks_to_us(adapter, G_TIMERVALUE5(r)) * tscale;
9548
9549 r = t4_read_reg(adapter, A_SGE_CONM_CTRL);
9550 sp->fl_starve_threshold = G_EGRTHRESHOLD(r) * 2 + 1;
9551 if (is_t4(adapter))
9552 sp->fl_starve_threshold2 = sp->fl_starve_threshold;
9553 else if (is_t5(adapter))
9554 sp->fl_starve_threshold2 = G_EGRTHRESHOLDPACKING(r) * 2 + 1;
9555 else
9556 sp->fl_starve_threshold2 = G_T6_EGRTHRESHOLDPACKING(r) * 2 + 1;
9557
9558 /* egress queues: log2 of # of doorbells per BAR2 page */
9559 r = t4_read_reg(adapter, A_SGE_EGRESS_QUEUES_PER_PAGE_PF);
9560 r >>= S_QUEUESPERPAGEPF0 +
9561 (S_QUEUESPERPAGEPF1 - S_QUEUESPERPAGEPF0) * adapter->pf;
9562 sp->eq_s_qpp = r & M_QUEUESPERPAGEPF0;
9563
9564 /* ingress queues: log2 of # of doorbells per BAR2 page */
9565 r = t4_read_reg(adapter, A_SGE_INGRESS_QUEUES_PER_PAGE_PF);
9566 r >>= S_QUEUESPERPAGEPF0 +
9567 (S_QUEUESPERPAGEPF1 - S_QUEUESPERPAGEPF0) * adapter->pf;
9568 sp->iq_s_qpp = r & M_QUEUESPERPAGEPF0;
9569
9570 r = t4_read_reg(adapter, A_SGE_HOST_PAGE_SIZE);
9571 r >>= S_HOSTPAGESIZEPF0 +
9572 (S_HOSTPAGESIZEPF1 - S_HOSTPAGESIZEPF0) * adapter->pf;
9573 sp->page_shift = (r & M_HOSTPAGESIZEPF0) + 10;
9574
9575 r = t4_read_reg(adapter, A_SGE_CONTROL);
9576 sp->sge_control = r;
9577 sp->spg_len = r & F_EGRSTATUSPAGESIZE ? 128 : 64;
9578 sp->fl_pktshift = G_PKTSHIFT(r);
9579 if (chip_id(adapter) <= CHELSIO_T5) {
9580 sp->pad_boundary = 1 << (G_INGPADBOUNDARY(r) +
9581 X_INGPADBOUNDARY_SHIFT);
9582 } else {
9583 sp->pad_boundary = 1 << (G_INGPADBOUNDARY(r) +
9584 X_T6_INGPADBOUNDARY_SHIFT);
9585 }
9586 if (is_t4(adapter))
9587 sp->pack_boundary = sp->pad_boundary;
9588 else {
9589 r = t4_read_reg(adapter, A_SGE_CONTROL2);
9590 if (G_INGPACKBOUNDARY(r) == 0)
9591 sp->pack_boundary = 16;
9592 else
9593 sp->pack_boundary = 1 << (G_INGPACKBOUNDARY(r) + 5);
9594 }
9595 for (i = 0; i < SGE_FLBUF_SIZES; i++)
9596 sp->sge_fl_buffer_size[i] = t4_read_reg(adapter,
9597 A_SGE_FL_BUFFER_SIZE0 + (4 * i));
9598
9599 return 0;
9600 }
9601
9602 /*
9603 * Read and cache the adapter's compressed filter mode and ingress config.
9604 */
read_filter_mode_and_ingress_config(struct adapter * adap,bool sleep_ok)9605 static void read_filter_mode_and_ingress_config(struct adapter *adap,
9606 bool sleep_ok)
9607 {
9608 uint32_t v;
9609 struct tp_params *tpp = &adap->params.tp;
9610
9611 t4_tp_pio_read(adap, &tpp->vlan_pri_map, 1, A_TP_VLAN_PRI_MAP,
9612 sleep_ok);
9613 t4_tp_pio_read(adap, &tpp->ingress_config, 1, A_TP_INGRESS_CONFIG,
9614 sleep_ok);
9615
9616 /*
9617 * Now that we have TP_VLAN_PRI_MAP cached, we can calculate the field
9618 * shift positions of several elements of the Compressed Filter Tuple
9619 * for this adapter which we need frequently ...
9620 */
9621 tpp->fcoe_shift = t4_filter_field_shift(adap, F_FCOE);
9622 tpp->port_shift = t4_filter_field_shift(adap, F_PORT);
9623 tpp->vnic_shift = t4_filter_field_shift(adap, F_VNIC_ID);
9624 tpp->vlan_shift = t4_filter_field_shift(adap, F_VLAN);
9625 tpp->tos_shift = t4_filter_field_shift(adap, F_TOS);
9626 tpp->protocol_shift = t4_filter_field_shift(adap, F_PROTOCOL);
9627 tpp->ethertype_shift = t4_filter_field_shift(adap, F_ETHERTYPE);
9628 tpp->macmatch_shift = t4_filter_field_shift(adap, F_MACMATCH);
9629 tpp->matchtype_shift = t4_filter_field_shift(adap, F_MPSHITTYPE);
9630 tpp->frag_shift = t4_filter_field_shift(adap, F_FRAGMENTATION);
9631
9632 if (chip_id(adap) > CHELSIO_T4) {
9633 v = t4_read_reg(adap, LE_HASH_MASK_GEN_IPV4T5(3));
9634 adap->params.tp.hash_filter_mask = v;
9635 v = t4_read_reg(adap, LE_HASH_MASK_GEN_IPV4T5(4));
9636 adap->params.tp.hash_filter_mask |= (u64)v << 32;
9637 }
9638 }
9639
9640 /**
9641 * t4_init_tp_params - initialize adap->params.tp
9642 * @adap: the adapter
9643 *
9644 * Initialize various fields of the adapter's TP Parameters structure.
9645 */
t4_init_tp_params(struct adapter * adap,bool sleep_ok)9646 int t4_init_tp_params(struct adapter *adap, bool sleep_ok)
9647 {
9648 int chan;
9649 u32 tx_len, rx_len, r, v;
9650 struct tp_params *tpp = &adap->params.tp;
9651
9652 v = t4_read_reg(adap, A_TP_TIMER_RESOLUTION);
9653 tpp->tre = G_TIMERRESOLUTION(v);
9654 tpp->dack_re = G_DELAYEDACKRESOLUTION(v);
9655
9656 /* MODQ_REQ_MAP defaults to setting queues 0-3 to chan 0-3 */
9657 for (chan = 0; chan < MAX_NCHAN; chan++)
9658 tpp->tx_modq[chan] = chan;
9659
9660 read_filter_mode_and_ingress_config(adap, sleep_ok);
9661
9662 if (chip_id(adap) > CHELSIO_T5) {
9663 v = t4_read_reg(adap, A_TP_OUT_CONFIG);
9664 tpp->rx_pkt_encap = v & F_CRXPKTENC;
9665 } else
9666 tpp->rx_pkt_encap = false;
9667
9668 rx_len = t4_read_reg(adap, A_TP_PMM_RX_PAGE_SIZE);
9669 tx_len = t4_read_reg(adap, A_TP_PMM_TX_PAGE_SIZE);
9670
9671 r = t4_read_reg(adap, A_TP_PARA_REG2);
9672 rx_len = min(rx_len, G_MAXRXDATA(r));
9673 tx_len = min(tx_len, G_MAXRXDATA(r));
9674
9675 r = t4_read_reg(adap, A_TP_PARA_REG7);
9676 v = min(G_PMMAXXFERLEN0(r), G_PMMAXXFERLEN1(r));
9677 rx_len = min(rx_len, v);
9678 tx_len = min(tx_len, v);
9679
9680 tpp->max_tx_pdu = tx_len;
9681 tpp->max_rx_pdu = rx_len;
9682
9683 return 0;
9684 }
9685
9686 /**
9687 * t4_filter_field_shift - calculate filter field shift
9688 * @adap: the adapter
9689 * @filter_sel: the desired field (from TP_VLAN_PRI_MAP bits)
9690 *
9691 * Return the shift position of a filter field within the Compressed
9692 * Filter Tuple. The filter field is specified via its selection bit
9693 * within TP_VLAN_PRI_MAL (filter mode). E.g. F_VLAN.
9694 */
t4_filter_field_shift(const struct adapter * adap,int filter_sel)9695 int t4_filter_field_shift(const struct adapter *adap, int filter_sel)
9696 {
9697 unsigned int filter_mode = adap->params.tp.vlan_pri_map;
9698 unsigned int sel;
9699 int field_shift;
9700
9701 if ((filter_mode & filter_sel) == 0)
9702 return -1;
9703
9704 for (sel = 1, field_shift = 0; sel < filter_sel; sel <<= 1) {
9705 switch (filter_mode & sel) {
9706 case F_FCOE:
9707 field_shift += W_FT_FCOE;
9708 break;
9709 case F_PORT:
9710 field_shift += W_FT_PORT;
9711 break;
9712 case F_VNIC_ID:
9713 field_shift += W_FT_VNIC_ID;
9714 break;
9715 case F_VLAN:
9716 field_shift += W_FT_VLAN;
9717 break;
9718 case F_TOS:
9719 field_shift += W_FT_TOS;
9720 break;
9721 case F_PROTOCOL:
9722 field_shift += W_FT_PROTOCOL;
9723 break;
9724 case F_ETHERTYPE:
9725 field_shift += W_FT_ETHERTYPE;
9726 break;
9727 case F_MACMATCH:
9728 field_shift += W_FT_MACMATCH;
9729 break;
9730 case F_MPSHITTYPE:
9731 field_shift += W_FT_MPSHITTYPE;
9732 break;
9733 case F_FRAGMENTATION:
9734 field_shift += W_FT_FRAGMENTATION;
9735 break;
9736 }
9737 }
9738 return field_shift;
9739 }
9740
t4_port_init(struct adapter * adap,int mbox,int pf,int vf,int port_id)9741 int t4_port_init(struct adapter *adap, int mbox, int pf, int vf, int port_id)
9742 {
9743 u8 addr[6];
9744 int ret, i, j;
9745 struct port_info *p = adap2pinfo(adap, port_id);
9746 u32 param, val;
9747 struct vi_info *vi = &p->vi[0];
9748
9749 for (i = 0, j = -1; i <= p->port_id; i++) {
9750 do {
9751 j++;
9752 } while ((adap->params.portvec & (1 << j)) == 0);
9753 }
9754
9755 p->tx_chan = j;
9756 p->mps_bg_map = t4_get_mps_bg_map(adap, j);
9757 p->rx_e_chan_map = t4_get_rx_e_chan_map(adap, j);
9758 p->lport = j;
9759
9760 if (!(adap->flags & IS_VF) ||
9761 adap->params.vfres.r_caps & FW_CMD_CAP_PORT) {
9762 t4_update_port_info(p);
9763 }
9764
9765 ret = t4_alloc_vi(adap, mbox, j, pf, vf, 1, addr, &vi->rss_size,
9766 &vi->vfvld, &vi->vin);
9767 if (ret < 0)
9768 return ret;
9769
9770 vi->viid = ret;
9771 t4_os_set_hw_addr(p, addr);
9772
9773 param = V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) |
9774 V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_RSSINFO) |
9775 V_FW_PARAMS_PARAM_YZ(vi->viid);
9776 ret = t4_query_params(adap, mbox, pf, vf, 1, ¶m, &val);
9777 if (ret)
9778 vi->rss_base = 0xffff;
9779 else {
9780 /* MPASS((val >> 16) == rss_size); */
9781 vi->rss_base = val & 0xffff;
9782 }
9783
9784 return 0;
9785 }
9786
9787 /**
9788 * t4_read_cimq_cfg - read CIM queue configuration
9789 * @adap: the adapter
9790 * @base: holds the queue base addresses in bytes
9791 * @size: holds the queue sizes in bytes
9792 * @thres: holds the queue full thresholds in bytes
9793 *
9794 * Returns the current configuration of the CIM queues, starting with
9795 * the IBQs, then the OBQs.
9796 */
t4_read_cimq_cfg(struct adapter * adap,u16 * base,u16 * size,u16 * thres)9797 void t4_read_cimq_cfg(struct adapter *adap, u16 *base, u16 *size, u16 *thres)
9798 {
9799 unsigned int i, v;
9800 int cim_num_obq = adap->chip_params->cim_num_obq;
9801
9802 for (i = 0; i < CIM_NUM_IBQ; i++) {
9803 t4_write_reg(adap, A_CIM_QUEUE_CONFIG_REF, F_IBQSELECT |
9804 V_QUENUMSELECT(i));
9805 v = t4_read_reg(adap, A_CIM_QUEUE_CONFIG_CTRL);
9806 /* value is in 256-byte units */
9807 *base++ = G_CIMQBASE(v) * 256;
9808 *size++ = G_CIMQSIZE(v) * 256;
9809 *thres++ = G_QUEFULLTHRSH(v) * 8; /* 8-byte unit */
9810 }
9811 for (i = 0; i < cim_num_obq; i++) {
9812 t4_write_reg(adap, A_CIM_QUEUE_CONFIG_REF, F_OBQSELECT |
9813 V_QUENUMSELECT(i));
9814 v = t4_read_reg(adap, A_CIM_QUEUE_CONFIG_CTRL);
9815 /* value is in 256-byte units */
9816 *base++ = G_CIMQBASE(v) * 256;
9817 *size++ = G_CIMQSIZE(v) * 256;
9818 }
9819 }
9820
9821 /**
9822 * t4_read_cim_ibq - read the contents of a CIM inbound queue
9823 * @adap: the adapter
9824 * @qid: the queue index
9825 * @data: where to store the queue contents
9826 * @n: capacity of @data in 32-bit words
9827 *
9828 * Reads the contents of the selected CIM queue starting at address 0 up
9829 * to the capacity of @data. @n must be a multiple of 4. Returns < 0 on
9830 * error and the number of 32-bit words actually read on success.
9831 */
t4_read_cim_ibq(struct adapter * adap,unsigned int qid,u32 * data,size_t n)9832 int t4_read_cim_ibq(struct adapter *adap, unsigned int qid, u32 *data, size_t n)
9833 {
9834 int i, err, attempts;
9835 unsigned int addr;
9836 const unsigned int nwords = CIM_IBQ_SIZE * 4;
9837
9838 if (qid > 5 || (n & 3))
9839 return -EINVAL;
9840
9841 addr = qid * nwords;
9842 if (n > nwords)
9843 n = nwords;
9844
9845 /* It might take 3-10ms before the IBQ debug read access is allowed.
9846 * Wait for 1 Sec with a delay of 1 usec.
9847 */
9848 attempts = 1000000;
9849
9850 for (i = 0; i < n; i++, addr++) {
9851 t4_write_reg(adap, A_CIM_IBQ_DBG_CFG, V_IBQDBGADDR(addr) |
9852 F_IBQDBGEN);
9853 err = t4_wait_op_done(adap, A_CIM_IBQ_DBG_CFG, F_IBQDBGBUSY, 0,
9854 attempts, 1);
9855 if (err)
9856 return err;
9857 *data++ = t4_read_reg(adap, A_CIM_IBQ_DBG_DATA);
9858 }
9859 t4_write_reg(adap, A_CIM_IBQ_DBG_CFG, 0);
9860 return i;
9861 }
9862
9863 /**
9864 * t4_read_cim_obq - read the contents of a CIM outbound queue
9865 * @adap: the adapter
9866 * @qid: the queue index
9867 * @data: where to store the queue contents
9868 * @n: capacity of @data in 32-bit words
9869 *
9870 * Reads the contents of the selected CIM queue starting at address 0 up
9871 * to the capacity of @data. @n must be a multiple of 4. Returns < 0 on
9872 * error and the number of 32-bit words actually read on success.
9873 */
t4_read_cim_obq(struct adapter * adap,unsigned int qid,u32 * data,size_t n)9874 int t4_read_cim_obq(struct adapter *adap, unsigned int qid, u32 *data, size_t n)
9875 {
9876 int i, err;
9877 unsigned int addr, v, nwords;
9878 int cim_num_obq = adap->chip_params->cim_num_obq;
9879
9880 if ((qid > (cim_num_obq - 1)) || (n & 3))
9881 return -EINVAL;
9882
9883 t4_write_reg(adap, A_CIM_QUEUE_CONFIG_REF, F_OBQSELECT |
9884 V_QUENUMSELECT(qid));
9885 v = t4_read_reg(adap, A_CIM_QUEUE_CONFIG_CTRL);
9886
9887 addr = G_CIMQBASE(v) * 64; /* muliple of 256 -> muliple of 4 */
9888 nwords = G_CIMQSIZE(v) * 64; /* same */
9889 if (n > nwords)
9890 n = nwords;
9891
9892 for (i = 0; i < n; i++, addr++) {
9893 t4_write_reg(adap, A_CIM_OBQ_DBG_CFG, V_OBQDBGADDR(addr) |
9894 F_OBQDBGEN);
9895 err = t4_wait_op_done(adap, A_CIM_OBQ_DBG_CFG, F_OBQDBGBUSY, 0,
9896 2, 1);
9897 if (err)
9898 return err;
9899 *data++ = t4_read_reg(adap, A_CIM_OBQ_DBG_DATA);
9900 }
9901 t4_write_reg(adap, A_CIM_OBQ_DBG_CFG, 0);
9902 return i;
9903 }
9904
9905 enum {
9906 CIM_QCTL_BASE = 0,
9907 CIM_CTL_BASE = 0x2000,
9908 CIM_PBT_ADDR_BASE = 0x2800,
9909 CIM_PBT_LRF_BASE = 0x3000,
9910 CIM_PBT_DATA_BASE = 0x3800
9911 };
9912
9913 /**
9914 * t4_cim_read - read a block from CIM internal address space
9915 * @adap: the adapter
9916 * @addr: the start address within the CIM address space
9917 * @n: number of words to read
9918 * @valp: where to store the result
9919 *
9920 * Reads a block of 4-byte words from the CIM intenal address space.
9921 */
t4_cim_read(struct adapter * adap,unsigned int addr,unsigned int n,unsigned int * valp)9922 int t4_cim_read(struct adapter *adap, unsigned int addr, unsigned int n,
9923 unsigned int *valp)
9924 {
9925 int ret = 0;
9926
9927 if (t4_read_reg(adap, A_CIM_HOST_ACC_CTRL) & F_HOSTBUSY)
9928 return -EBUSY;
9929
9930 for ( ; !ret && n--; addr += 4) {
9931 t4_write_reg(adap, A_CIM_HOST_ACC_CTRL, addr);
9932 ret = t4_wait_op_done(adap, A_CIM_HOST_ACC_CTRL, F_HOSTBUSY,
9933 0, 5, 2);
9934 if (!ret)
9935 *valp++ = t4_read_reg(adap, A_CIM_HOST_ACC_DATA);
9936 }
9937 return ret;
9938 }
9939
9940 /**
9941 * t4_cim_write - write a block into CIM internal address space
9942 * @adap: the adapter
9943 * @addr: the start address within the CIM address space
9944 * @n: number of words to write
9945 * @valp: set of values to write
9946 *
9947 * Writes a block of 4-byte words into the CIM intenal address space.
9948 */
t4_cim_write(struct adapter * adap,unsigned int addr,unsigned int n,const unsigned int * valp)9949 int t4_cim_write(struct adapter *adap, unsigned int addr, unsigned int n,
9950 const unsigned int *valp)
9951 {
9952 int ret = 0;
9953
9954 if (t4_read_reg(adap, A_CIM_HOST_ACC_CTRL) & F_HOSTBUSY)
9955 return -EBUSY;
9956
9957 for ( ; !ret && n--; addr += 4) {
9958 t4_write_reg(adap, A_CIM_HOST_ACC_DATA, *valp++);
9959 t4_write_reg(adap, A_CIM_HOST_ACC_CTRL, addr | F_HOSTWRITE);
9960 ret = t4_wait_op_done(adap, A_CIM_HOST_ACC_CTRL, F_HOSTBUSY,
9961 0, 5, 2);
9962 }
9963 return ret;
9964 }
9965
t4_cim_write1(struct adapter * adap,unsigned int addr,unsigned int val)9966 static int t4_cim_write1(struct adapter *adap, unsigned int addr,
9967 unsigned int val)
9968 {
9969 return t4_cim_write(adap, addr, 1, &val);
9970 }
9971
9972 /**
9973 * t4_cim_ctl_read - read a block from CIM control region
9974 * @adap: the adapter
9975 * @addr: the start address within the CIM control region
9976 * @n: number of words to read
9977 * @valp: where to store the result
9978 *
9979 * Reads a block of 4-byte words from the CIM control region.
9980 */
t4_cim_ctl_read(struct adapter * adap,unsigned int addr,unsigned int n,unsigned int * valp)9981 int t4_cim_ctl_read(struct adapter *adap, unsigned int addr, unsigned int n,
9982 unsigned int *valp)
9983 {
9984 return t4_cim_read(adap, addr + CIM_CTL_BASE, n, valp);
9985 }
9986
9987 /**
9988 * t4_cim_read_la - read CIM LA capture buffer
9989 * @adap: the adapter
9990 * @la_buf: where to store the LA data
9991 * @wrptr: the HW write pointer within the capture buffer
9992 *
9993 * Reads the contents of the CIM LA buffer with the most recent entry at
9994 * the end of the returned data and with the entry at @wrptr first.
9995 * We try to leave the LA in the running state we find it in.
9996 */
t4_cim_read_la(struct adapter * adap,u32 * la_buf,unsigned int * wrptr)9997 int t4_cim_read_la(struct adapter *adap, u32 *la_buf, unsigned int *wrptr)
9998 {
9999 int i, ret;
10000 unsigned int cfg, val, idx;
10001
10002 ret = t4_cim_read(adap, A_UP_UP_DBG_LA_CFG, 1, &cfg);
10003 if (ret)
10004 return ret;
10005
10006 if (cfg & F_UPDBGLAEN) { /* LA is running, freeze it */
10007 ret = t4_cim_write1(adap, A_UP_UP_DBG_LA_CFG, 0);
10008 if (ret)
10009 return ret;
10010 }
10011
10012 ret = t4_cim_read(adap, A_UP_UP_DBG_LA_CFG, 1, &val);
10013 if (ret)
10014 goto restart;
10015
10016 idx = G_UPDBGLAWRPTR(val);
10017 if (wrptr)
10018 *wrptr = idx;
10019
10020 for (i = 0; i < adap->params.cim_la_size; i++) {
10021 ret = t4_cim_write1(adap, A_UP_UP_DBG_LA_CFG,
10022 V_UPDBGLARDPTR(idx) | F_UPDBGLARDEN);
10023 if (ret)
10024 break;
10025 ret = t4_cim_read(adap, A_UP_UP_DBG_LA_CFG, 1, &val);
10026 if (ret)
10027 break;
10028 if (val & F_UPDBGLARDEN) {
10029 ret = -ETIMEDOUT;
10030 break;
10031 }
10032 ret = t4_cim_read(adap, A_UP_UP_DBG_LA_DATA, 1, &la_buf[i]);
10033 if (ret)
10034 break;
10035
10036 /* Bits 0-3 of UpDbgLaRdPtr can be between 0000 to 1001 to
10037 * identify the 32-bit portion of the full 312-bit data
10038 */
10039 if (is_t6(adap) && (idx & 0xf) >= 9)
10040 idx = (idx & 0xff0) + 0x10;
10041 else
10042 idx++;
10043 /* address can't exceed 0xfff */
10044 idx &= M_UPDBGLARDPTR;
10045 }
10046 restart:
10047 if (cfg & F_UPDBGLAEN) {
10048 int r = t4_cim_write1(adap, A_UP_UP_DBG_LA_CFG,
10049 cfg & ~F_UPDBGLARDEN);
10050 if (!ret)
10051 ret = r;
10052 }
10053 return ret;
10054 }
10055
10056 /**
10057 * t4_tp_read_la - read TP LA capture buffer
10058 * @adap: the adapter
10059 * @la_buf: where to store the LA data
10060 * @wrptr: the HW write pointer within the capture buffer
10061 *
10062 * Reads the contents of the TP LA buffer with the most recent entry at
10063 * the end of the returned data and with the entry at @wrptr first.
10064 * We leave the LA in the running state we find it in.
10065 */
t4_tp_read_la(struct adapter * adap,u64 * la_buf,unsigned int * wrptr)10066 void t4_tp_read_la(struct adapter *adap, u64 *la_buf, unsigned int *wrptr)
10067 {
10068 bool last_incomplete;
10069 unsigned int i, cfg, val, idx;
10070
10071 cfg = t4_read_reg(adap, A_TP_DBG_LA_CONFIG) & 0xffff;
10072 if (cfg & F_DBGLAENABLE) /* freeze LA */
10073 t4_write_reg(adap, A_TP_DBG_LA_CONFIG,
10074 adap->params.tp.la_mask | (cfg ^ F_DBGLAENABLE));
10075
10076 val = t4_read_reg(adap, A_TP_DBG_LA_CONFIG);
10077 idx = G_DBGLAWPTR(val);
10078 last_incomplete = G_DBGLAMODE(val) >= 2 && (val & F_DBGLAWHLF) == 0;
10079 if (last_incomplete)
10080 idx = (idx + 1) & M_DBGLARPTR;
10081 if (wrptr)
10082 *wrptr = idx;
10083
10084 val &= 0xffff;
10085 val &= ~V_DBGLARPTR(M_DBGLARPTR);
10086 val |= adap->params.tp.la_mask;
10087
10088 for (i = 0; i < TPLA_SIZE; i++) {
10089 t4_write_reg(adap, A_TP_DBG_LA_CONFIG, V_DBGLARPTR(idx) | val);
10090 la_buf[i] = t4_read_reg64(adap, A_TP_DBG_LA_DATAL);
10091 idx = (idx + 1) & M_DBGLARPTR;
10092 }
10093
10094 /* Wipe out last entry if it isn't valid */
10095 if (last_incomplete)
10096 la_buf[TPLA_SIZE - 1] = ~0ULL;
10097
10098 if (cfg & F_DBGLAENABLE) /* restore running state */
10099 t4_write_reg(adap, A_TP_DBG_LA_CONFIG,
10100 cfg | adap->params.tp.la_mask);
10101 }
10102
10103 /*
10104 * SGE Hung Ingress DMA Warning Threshold time and Warning Repeat Rate (in
10105 * seconds). If we find one of the SGE Ingress DMA State Machines in the same
10106 * state for more than the Warning Threshold then we'll issue a warning about
10107 * a potential hang. We'll repeat the warning as the SGE Ingress DMA Channel
10108 * appears to be hung every Warning Repeat second till the situation clears.
10109 * If the situation clears, we'll note that as well.
10110 */
10111 #define SGE_IDMA_WARN_THRESH 1
10112 #define SGE_IDMA_WARN_REPEAT 300
10113
10114 /**
10115 * t4_idma_monitor_init - initialize SGE Ingress DMA Monitor
10116 * @adapter: the adapter
10117 * @idma: the adapter IDMA Monitor state
10118 *
10119 * Initialize the state of an SGE Ingress DMA Monitor.
10120 */
t4_idma_monitor_init(struct adapter * adapter,struct sge_idma_monitor_state * idma)10121 void t4_idma_monitor_init(struct adapter *adapter,
10122 struct sge_idma_monitor_state *idma)
10123 {
10124 /* Initialize the state variables for detecting an SGE Ingress DMA
10125 * hang. The SGE has internal counters which count up on each clock
10126 * tick whenever the SGE finds its Ingress DMA State Engines in the
10127 * same state they were on the previous clock tick. The clock used is
10128 * the Core Clock so we have a limit on the maximum "time" they can
10129 * record; typically a very small number of seconds. For instance,
10130 * with a 600MHz Core Clock, we can only count up to a bit more than
10131 * 7s. So we'll synthesize a larger counter in order to not run the
10132 * risk of having the "timers" overflow and give us the flexibility to
10133 * maintain a Hung SGE State Machine of our own which operates across
10134 * a longer time frame.
10135 */
10136 idma->idma_1s_thresh = core_ticks_per_usec(adapter) * 1000000; /* 1s */
10137 idma->idma_stalled[0] = idma->idma_stalled[1] = 0;
10138 }
10139
10140 /**
10141 * t4_idma_monitor - monitor SGE Ingress DMA state
10142 * @adapter: the adapter
10143 * @idma: the adapter IDMA Monitor state
10144 * @hz: number of ticks/second
10145 * @ticks: number of ticks since the last IDMA Monitor call
10146 */
t4_idma_monitor(struct adapter * adapter,struct sge_idma_monitor_state * idma,int hz,int ticks)10147 void t4_idma_monitor(struct adapter *adapter,
10148 struct sge_idma_monitor_state *idma,
10149 int hz, int ticks)
10150 {
10151 int i, idma_same_state_cnt[2];
10152
10153 /* Read the SGE Debug Ingress DMA Same State Count registers. These
10154 * are counters inside the SGE which count up on each clock when the
10155 * SGE finds its Ingress DMA State Engines in the same states they
10156 * were in the previous clock. The counters will peg out at
10157 * 0xffffffff without wrapping around so once they pass the 1s
10158 * threshold they'll stay above that till the IDMA state changes.
10159 */
10160 t4_write_reg(adapter, A_SGE_DEBUG_INDEX, 13);
10161 idma_same_state_cnt[0] = t4_read_reg(adapter, A_SGE_DEBUG_DATA_HIGH);
10162 idma_same_state_cnt[1] = t4_read_reg(adapter, A_SGE_DEBUG_DATA_LOW);
10163
10164 for (i = 0; i < 2; i++) {
10165 u32 debug0, debug11;
10166
10167 /* If the Ingress DMA Same State Counter ("timer") is less
10168 * than 1s, then we can reset our synthesized Stall Timer and
10169 * continue. If we have previously emitted warnings about a
10170 * potential stalled Ingress Queue, issue a note indicating
10171 * that the Ingress Queue has resumed forward progress.
10172 */
10173 if (idma_same_state_cnt[i] < idma->idma_1s_thresh) {
10174 if (idma->idma_stalled[i] >= SGE_IDMA_WARN_THRESH*hz)
10175 CH_WARN(adapter, "SGE idma%d, queue %u, "
10176 "resumed after %d seconds\n",
10177 i, idma->idma_qid[i],
10178 idma->idma_stalled[i]/hz);
10179 idma->idma_stalled[i] = 0;
10180 continue;
10181 }
10182
10183 /* Synthesize an SGE Ingress DMA Same State Timer in the Hz
10184 * domain. The first time we get here it'll be because we
10185 * passed the 1s Threshold; each additional time it'll be
10186 * because the RX Timer Callback is being fired on its regular
10187 * schedule.
10188 *
10189 * If the stall is below our Potential Hung Ingress Queue
10190 * Warning Threshold, continue.
10191 */
10192 if (idma->idma_stalled[i] == 0) {
10193 idma->idma_stalled[i] = hz;
10194 idma->idma_warn[i] = 0;
10195 } else {
10196 idma->idma_stalled[i] += ticks;
10197 idma->idma_warn[i] -= ticks;
10198 }
10199
10200 if (idma->idma_stalled[i] < SGE_IDMA_WARN_THRESH*hz)
10201 continue;
10202
10203 /* We'll issue a warning every SGE_IDMA_WARN_REPEAT seconds.
10204 */
10205 if (idma->idma_warn[i] > 0)
10206 continue;
10207 idma->idma_warn[i] = SGE_IDMA_WARN_REPEAT*hz;
10208
10209 /* Read and save the SGE IDMA State and Queue ID information.
10210 * We do this every time in case it changes across time ...
10211 * can't be too careful ...
10212 */
10213 t4_write_reg(adapter, A_SGE_DEBUG_INDEX, 0);
10214 debug0 = t4_read_reg(adapter, A_SGE_DEBUG_DATA_LOW);
10215 idma->idma_state[i] = (debug0 >> (i * 9)) & 0x3f;
10216
10217 t4_write_reg(adapter, A_SGE_DEBUG_INDEX, 11);
10218 debug11 = t4_read_reg(adapter, A_SGE_DEBUG_DATA_LOW);
10219 idma->idma_qid[i] = (debug11 >> (i * 16)) & 0xffff;
10220
10221 CH_WARN(adapter, "SGE idma%u, queue %u, potentially stuck in "
10222 " state %u for %d seconds (debug0=%#x, debug11=%#x)\n",
10223 i, idma->idma_qid[i], idma->idma_state[i],
10224 idma->idma_stalled[i]/hz,
10225 debug0, debug11);
10226 t4_sge_decode_idma_state(adapter, idma->idma_state[i]);
10227 }
10228 }
10229
10230 /**
10231 * t4_set_vf_mac - Set MAC address for the specified VF
10232 * @adapter: The adapter
10233 * @pf: the PF used to instantiate the VFs
10234 * @vf: one of the VFs instantiated by the specified PF
10235 * @naddr: the number of MAC addresses
10236 * @addr: the MAC address(es) to be set to the specified VF
10237 */
t4_set_vf_mac(struct adapter * adapter,unsigned int pf,unsigned int vf,unsigned int naddr,u8 * addr)10238 int t4_set_vf_mac(struct adapter *adapter, unsigned int pf, unsigned int vf,
10239 unsigned int naddr, u8 *addr)
10240 {
10241 struct fw_acl_mac_cmd cmd;
10242
10243 memset(&cmd, 0, sizeof(cmd));
10244 cmd.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_ACL_MAC_CMD) |
10245 F_FW_CMD_REQUEST |
10246 F_FW_CMD_WRITE |
10247 V_FW_ACL_MAC_CMD_PFN(pf) |
10248 V_FW_ACL_MAC_CMD_VFN(vf));
10249
10250 /* Note: Do not enable the ACL */
10251 cmd.en_to_len16 = cpu_to_be32((unsigned int)FW_LEN16(cmd));
10252 cmd.nmac = naddr;
10253
10254 switch (pf) {
10255 case 3:
10256 memcpy(cmd.macaddr3, addr, sizeof(cmd.macaddr3));
10257 break;
10258 case 2:
10259 memcpy(cmd.macaddr2, addr, sizeof(cmd.macaddr2));
10260 break;
10261 case 1:
10262 memcpy(cmd.macaddr1, addr, sizeof(cmd.macaddr1));
10263 break;
10264 case 0:
10265 memcpy(cmd.macaddr0, addr, sizeof(cmd.macaddr0));
10266 break;
10267 }
10268
10269 return t4_wr_mbox(adapter, adapter->mbox, &cmd, sizeof(cmd), &cmd);
10270 }
10271
10272 /**
10273 * t4_read_pace_tbl - read the pace table
10274 * @adap: the adapter
10275 * @pace_vals: holds the returned values
10276 *
10277 * Returns the values of TP's pace table in microseconds.
10278 */
t4_read_pace_tbl(struct adapter * adap,unsigned int pace_vals[NTX_SCHED])10279 void t4_read_pace_tbl(struct adapter *adap, unsigned int pace_vals[NTX_SCHED])
10280 {
10281 unsigned int i, v;
10282
10283 for (i = 0; i < NTX_SCHED; i++) {
10284 t4_write_reg(adap, A_TP_PACE_TABLE, 0xffff0000 + i);
10285 v = t4_read_reg(adap, A_TP_PACE_TABLE);
10286 pace_vals[i] = dack_ticks_to_usec(adap, v);
10287 }
10288 }
10289
10290 /**
10291 * t4_get_tx_sched - get the configuration of a Tx HW traffic scheduler
10292 * @adap: the adapter
10293 * @sched: the scheduler index
10294 * @kbps: the byte rate in Kbps
10295 * @ipg: the interpacket delay in tenths of nanoseconds
10296 *
10297 * Return the current configuration of a HW Tx scheduler.
10298 */
t4_get_tx_sched(struct adapter * adap,unsigned int sched,unsigned int * kbps,unsigned int * ipg,bool sleep_ok)10299 void t4_get_tx_sched(struct adapter *adap, unsigned int sched, unsigned int *kbps,
10300 unsigned int *ipg, bool sleep_ok)
10301 {
10302 unsigned int v, addr, bpt, cpt;
10303
10304 if (kbps) {
10305 addr = A_TP_TX_MOD_Q1_Q0_RATE_LIMIT - sched / 2;
10306 t4_tp_tm_pio_read(adap, &v, 1, addr, sleep_ok);
10307 if (sched & 1)
10308 v >>= 16;
10309 bpt = (v >> 8) & 0xff;
10310 cpt = v & 0xff;
10311 if (!cpt)
10312 *kbps = 0; /* scheduler disabled */
10313 else {
10314 v = (adap->params.vpd.cclk * 1000) / cpt; /* ticks/s */
10315 *kbps = (v * bpt) / 125;
10316 }
10317 }
10318 if (ipg) {
10319 addr = A_TP_TX_MOD_Q1_Q0_TIMER_SEPARATOR - sched / 2;
10320 t4_tp_tm_pio_read(adap, &v, 1, addr, sleep_ok);
10321 if (sched & 1)
10322 v >>= 16;
10323 v &= 0xffff;
10324 *ipg = (10000 * v) / core_ticks_per_usec(adap);
10325 }
10326 }
10327
10328 /**
10329 * t4_load_cfg - download config file
10330 * @adap: the adapter
10331 * @cfg_data: the cfg text file to write
10332 * @size: text file size
10333 *
10334 * Write the supplied config text file to the card's serial flash.
10335 */
t4_load_cfg(struct adapter * adap,const u8 * cfg_data,unsigned int size)10336 int t4_load_cfg(struct adapter *adap, const u8 *cfg_data, unsigned int size)
10337 {
10338 int ret, i, n, cfg_addr;
10339 unsigned int addr;
10340 unsigned int flash_cfg_start_sec;
10341 unsigned int sf_sec_size = adap->params.sf_size / adap->params.sf_nsec;
10342
10343 cfg_addr = t4_flash_cfg_addr(adap);
10344 if (cfg_addr < 0)
10345 return cfg_addr;
10346
10347 addr = cfg_addr;
10348 flash_cfg_start_sec = addr / SF_SEC_SIZE;
10349
10350 if (size > FLASH_CFG_MAX_SIZE) {
10351 CH_ERR(adap, "cfg file too large, max is %u bytes\n",
10352 FLASH_CFG_MAX_SIZE);
10353 return -EFBIG;
10354 }
10355
10356 i = DIV_ROUND_UP(FLASH_CFG_MAX_SIZE, /* # of sectors spanned */
10357 sf_sec_size);
10358 ret = t4_flash_erase_sectors(adap, flash_cfg_start_sec,
10359 flash_cfg_start_sec + i - 1);
10360 /*
10361 * If size == 0 then we're simply erasing the FLASH sectors associated
10362 * with the on-adapter Firmware Configuration File.
10363 */
10364 if (ret || size == 0)
10365 goto out;
10366
10367 /* this will write to the flash up to SF_PAGE_SIZE at a time */
10368 for (i = 0; i< size; i+= SF_PAGE_SIZE) {
10369 if ( (size - i) < SF_PAGE_SIZE)
10370 n = size - i;
10371 else
10372 n = SF_PAGE_SIZE;
10373 ret = t4_write_flash(adap, addr, n, cfg_data, 1);
10374 if (ret)
10375 goto out;
10376
10377 addr += SF_PAGE_SIZE;
10378 cfg_data += SF_PAGE_SIZE;
10379 }
10380
10381 out:
10382 if (ret)
10383 CH_ERR(adap, "config file %s failed %d\n",
10384 (size == 0 ? "clear" : "download"), ret);
10385 return ret;
10386 }
10387
10388 /**
10389 * t5_fw_init_extern_mem - initialize the external memory
10390 * @adap: the adapter
10391 *
10392 * Initializes the external memory on T5.
10393 */
t5_fw_init_extern_mem(struct adapter * adap)10394 int t5_fw_init_extern_mem(struct adapter *adap)
10395 {
10396 u32 params[1], val[1];
10397 int ret;
10398
10399 if (!is_t5(adap))
10400 return 0;
10401
10402 val[0] = 0xff; /* Initialize all MCs */
10403 params[0] = (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) |
10404 V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_MCINIT));
10405 ret = t4_set_params_timeout(adap, adap->mbox, adap->pf, 0, 1, params, val,
10406 FW_CMD_MAX_TIMEOUT);
10407
10408 return ret;
10409 }
10410
10411 /* BIOS boot headers */
10412 typedef struct pci_expansion_rom_header {
10413 u8 signature[2]; /* ROM Signature. Should be 0xaa55 */
10414 u8 reserved[22]; /* Reserved per processor Architecture data */
10415 u8 pcir_offset[2]; /* Offset to PCI Data Structure */
10416 } pci_exp_rom_header_t; /* PCI_EXPANSION_ROM_HEADER */
10417
10418 /* Legacy PCI Expansion ROM Header */
10419 typedef struct legacy_pci_expansion_rom_header {
10420 u8 signature[2]; /* ROM Signature. Should be 0xaa55 */
10421 u8 size512; /* Current Image Size in units of 512 bytes */
10422 u8 initentry_point[4];
10423 u8 cksum; /* Checksum computed on the entire Image */
10424 u8 reserved[16]; /* Reserved */
10425 u8 pcir_offset[2]; /* Offset to PCI Data Struture */
10426 } legacy_pci_exp_rom_header_t; /* LEGACY_PCI_EXPANSION_ROM_HEADER */
10427
10428 /* EFI PCI Expansion ROM Header */
10429 typedef struct efi_pci_expansion_rom_header {
10430 u8 signature[2]; // ROM signature. The value 0xaa55
10431 u8 initialization_size[2]; /* Units 512. Includes this header */
10432 u8 efi_signature[4]; /* Signature from EFI image header. 0x0EF1 */
10433 u8 efi_subsystem[2]; /* Subsystem value for EFI image header */
10434 u8 efi_machine_type[2]; /* Machine type from EFI image header */
10435 u8 compression_type[2]; /* Compression type. */
10436 /*
10437 * Compression type definition
10438 * 0x0: uncompressed
10439 * 0x1: Compressed
10440 * 0x2-0xFFFF: Reserved
10441 */
10442 u8 reserved[8]; /* Reserved */
10443 u8 efi_image_header_offset[2]; /* Offset to EFI Image */
10444 u8 pcir_offset[2]; /* Offset to PCI Data Structure */
10445 } efi_pci_exp_rom_header_t; /* EFI PCI Expansion ROM Header */
10446
10447 /* PCI Data Structure Format */
10448 typedef struct pcir_data_structure { /* PCI Data Structure */
10449 u8 signature[4]; /* Signature. The string "PCIR" */
10450 u8 vendor_id[2]; /* Vendor Identification */
10451 u8 device_id[2]; /* Device Identification */
10452 u8 vital_product[2]; /* Pointer to Vital Product Data */
10453 u8 length[2]; /* PCIR Data Structure Length */
10454 u8 revision; /* PCIR Data Structure Revision */
10455 u8 class_code[3]; /* Class Code */
10456 u8 image_length[2]; /* Image Length. Multiple of 512B */
10457 u8 code_revision[2]; /* Revision Level of Code/Data */
10458 u8 code_type; /* Code Type. */
10459 /*
10460 * PCI Expansion ROM Code Types
10461 * 0x00: Intel IA-32, PC-AT compatible. Legacy
10462 * 0x01: Open Firmware standard for PCI. FCODE
10463 * 0x02: Hewlett-Packard PA RISC. HP reserved
10464 * 0x03: EFI Image. EFI
10465 * 0x04-0xFF: Reserved.
10466 */
10467 u8 indicator; /* Indicator. Identifies the last image in the ROM */
10468 u8 reserved[2]; /* Reserved */
10469 } pcir_data_t; /* PCI__DATA_STRUCTURE */
10470
10471 /* BOOT constants */
10472 enum {
10473 BOOT_FLASH_BOOT_ADDR = 0x0,/* start address of boot image in flash */
10474 BOOT_SIGNATURE = 0xaa55, /* signature of BIOS boot ROM */
10475 BOOT_SIZE_INC = 512, /* image size measured in 512B chunks */
10476 BOOT_MIN_SIZE = sizeof(pci_exp_rom_header_t), /* basic header */
10477 BOOT_MAX_SIZE = 1024*BOOT_SIZE_INC, /* 1 byte * length increment */
10478 VENDOR_ID = 0x1425, /* Vendor ID */
10479 PCIR_SIGNATURE = 0x52494350 /* PCIR signature */
10480 };
10481
10482 /*
10483 * modify_device_id - Modifies the device ID of the Boot BIOS image
10484 * @adatper: the device ID to write.
10485 * @boot_data: the boot image to modify.
10486 *
10487 * Write the supplied device ID to the boot BIOS image.
10488 */
modify_device_id(int device_id,u8 * boot_data)10489 static void modify_device_id(int device_id, u8 *boot_data)
10490 {
10491 legacy_pci_exp_rom_header_t *header;
10492 pcir_data_t *pcir_header;
10493 u32 cur_header = 0;
10494
10495 /*
10496 * Loop through all chained images and change the device ID's
10497 */
10498 while (1) {
10499 header = (legacy_pci_exp_rom_header_t *) &boot_data[cur_header];
10500 pcir_header = (pcir_data_t *) &boot_data[cur_header +
10501 le16_to_cpu(*(u16*)header->pcir_offset)];
10502
10503 /*
10504 * Only modify the Device ID if code type is Legacy or HP.
10505 * 0x00: Okay to modify
10506 * 0x01: FCODE. Do not be modify
10507 * 0x03: Okay to modify
10508 * 0x04-0xFF: Do not modify
10509 */
10510 if (pcir_header->code_type == 0x00) {
10511 u8 csum = 0;
10512 int i;
10513
10514 /*
10515 * Modify Device ID to match current adatper
10516 */
10517 *(u16*) pcir_header->device_id = device_id;
10518
10519 /*
10520 * Set checksum temporarily to 0.
10521 * We will recalculate it later.
10522 */
10523 header->cksum = 0x0;
10524
10525 /*
10526 * Calculate and update checksum
10527 */
10528 for (i = 0; i < (header->size512 * 512); i++)
10529 csum += (u8)boot_data[cur_header + i];
10530
10531 /*
10532 * Invert summed value to create the checksum
10533 * Writing new checksum value directly to the boot data
10534 */
10535 boot_data[cur_header + 7] = -csum;
10536
10537 } else if (pcir_header->code_type == 0x03) {
10538
10539 /*
10540 * Modify Device ID to match current adatper
10541 */
10542 *(u16*) pcir_header->device_id = device_id;
10543
10544 }
10545
10546
10547 /*
10548 * Check indicator element to identify if this is the last
10549 * image in the ROM.
10550 */
10551 if (pcir_header->indicator & 0x80)
10552 break;
10553
10554 /*
10555 * Move header pointer up to the next image in the ROM.
10556 */
10557 cur_header += header->size512 * 512;
10558 }
10559 }
10560
10561 /*
10562 * t4_load_boot - download boot flash
10563 * @adapter: the adapter
10564 * @boot_data: the boot image to write
10565 * @boot_addr: offset in flash to write boot_data
10566 * @size: image size
10567 *
10568 * Write the supplied boot image to the card's serial flash.
10569 * The boot image has the following sections: a 28-byte header and the
10570 * boot image.
10571 */
t4_load_boot(struct adapter * adap,u8 * boot_data,unsigned int boot_addr,unsigned int size)10572 int t4_load_boot(struct adapter *adap, u8 *boot_data,
10573 unsigned int boot_addr, unsigned int size)
10574 {
10575 pci_exp_rom_header_t *header;
10576 int pcir_offset ;
10577 pcir_data_t *pcir_header;
10578 int ret, addr;
10579 uint16_t device_id;
10580 unsigned int i;
10581 unsigned int boot_sector = (boot_addr * 1024 );
10582 unsigned int sf_sec_size = adap->params.sf_size / adap->params.sf_nsec;
10583
10584 /*
10585 * Make sure the boot image does not encroach on the firmware region
10586 */
10587 if ((boot_sector + size) >> 16 > FLASH_FW_START_SEC) {
10588 CH_ERR(adap, "boot image encroaching on firmware region\n");
10589 return -EFBIG;
10590 }
10591
10592 /*
10593 * The boot sector is comprised of the Expansion-ROM boot, iSCSI boot,
10594 * and Boot configuration data sections. These 3 boot sections span
10595 * sectors 0 to 7 in flash and live right before the FW image location.
10596 */
10597 i = DIV_ROUND_UP(size ? size : FLASH_FW_START,
10598 sf_sec_size);
10599 ret = t4_flash_erase_sectors(adap, boot_sector >> 16,
10600 (boot_sector >> 16) + i - 1);
10601
10602 /*
10603 * If size == 0 then we're simply erasing the FLASH sectors associated
10604 * with the on-adapter option ROM file
10605 */
10606 if (ret || (size == 0))
10607 goto out;
10608
10609 /* Get boot header */
10610 header = (pci_exp_rom_header_t *)boot_data;
10611 pcir_offset = le16_to_cpu(*(u16 *)header->pcir_offset);
10612 /* PCIR Data Structure */
10613 pcir_header = (pcir_data_t *) &boot_data[pcir_offset];
10614
10615 /*
10616 * Perform some primitive sanity testing to avoid accidentally
10617 * writing garbage over the boot sectors. We ought to check for
10618 * more but it's not worth it for now ...
10619 */
10620 if (size < BOOT_MIN_SIZE || size > BOOT_MAX_SIZE) {
10621 CH_ERR(adap, "boot image too small/large\n");
10622 return -EFBIG;
10623 }
10624
10625 #ifndef CHELSIO_T4_DIAGS
10626 /*
10627 * Check BOOT ROM header signature
10628 */
10629 if (le16_to_cpu(*(u16*)header->signature) != BOOT_SIGNATURE ) {
10630 CH_ERR(adap, "Boot image missing signature\n");
10631 return -EINVAL;
10632 }
10633
10634 /*
10635 * Check PCI header signature
10636 */
10637 if (le32_to_cpu(*(u32*)pcir_header->signature) != PCIR_SIGNATURE) {
10638 CH_ERR(adap, "PCI header missing signature\n");
10639 return -EINVAL;
10640 }
10641
10642 /*
10643 * Check Vendor ID matches Chelsio ID
10644 */
10645 if (le16_to_cpu(*(u16*)pcir_header->vendor_id) != VENDOR_ID) {
10646 CH_ERR(adap, "Vendor ID missing signature\n");
10647 return -EINVAL;
10648 }
10649 #endif
10650
10651 /*
10652 * Retrieve adapter's device ID
10653 */
10654 t4_os_pci_read_cfg2(adap, PCI_DEVICE_ID, &device_id);
10655 /* Want to deal with PF 0 so I strip off PF 4 indicator */
10656 device_id = device_id & 0xf0ff;
10657
10658 /*
10659 * Check PCIE Device ID
10660 */
10661 if (le16_to_cpu(*(u16*)pcir_header->device_id) != device_id) {
10662 /*
10663 * Change the device ID in the Boot BIOS image to match
10664 * the Device ID of the current adapter.
10665 */
10666 modify_device_id(device_id, boot_data);
10667 }
10668
10669 /*
10670 * Skip over the first SF_PAGE_SIZE worth of data and write it after
10671 * we finish copying the rest of the boot image. This will ensure
10672 * that the BIOS boot header will only be written if the boot image
10673 * was written in full.
10674 */
10675 addr = boot_sector;
10676 for (size -= SF_PAGE_SIZE; size; size -= SF_PAGE_SIZE) {
10677 addr += SF_PAGE_SIZE;
10678 boot_data += SF_PAGE_SIZE;
10679 ret = t4_write_flash(adap, addr, SF_PAGE_SIZE, boot_data, 0);
10680 if (ret)
10681 goto out;
10682 }
10683
10684 ret = t4_write_flash(adap, boot_sector, SF_PAGE_SIZE,
10685 (const u8 *)header, 0);
10686
10687 out:
10688 if (ret)
10689 CH_ERR(adap, "boot image download failed, error %d\n", ret);
10690 return ret;
10691 }
10692
10693 /*
10694 * t4_flash_bootcfg_addr - return the address of the flash optionrom configuration
10695 * @adapter: the adapter
10696 *
10697 * Return the address within the flash where the OptionROM Configuration
10698 * is stored, or an error if the device FLASH is too small to contain
10699 * a OptionROM Configuration.
10700 */
t4_flash_bootcfg_addr(struct adapter * adapter)10701 static int t4_flash_bootcfg_addr(struct adapter *adapter)
10702 {
10703 /*
10704 * If the device FLASH isn't large enough to hold a Firmware
10705 * Configuration File, return an error.
10706 */
10707 if (adapter->params.sf_size < FLASH_BOOTCFG_START + FLASH_BOOTCFG_MAX_SIZE)
10708 return -ENOSPC;
10709
10710 return FLASH_BOOTCFG_START;
10711 }
10712
t4_load_bootcfg(struct adapter * adap,const u8 * cfg_data,unsigned int size)10713 int t4_load_bootcfg(struct adapter *adap,const u8 *cfg_data, unsigned int size)
10714 {
10715 int ret, i, n, cfg_addr;
10716 unsigned int addr;
10717 unsigned int flash_cfg_start_sec;
10718 unsigned int sf_sec_size = adap->params.sf_size / adap->params.sf_nsec;
10719
10720 cfg_addr = t4_flash_bootcfg_addr(adap);
10721 if (cfg_addr < 0)
10722 return cfg_addr;
10723
10724 addr = cfg_addr;
10725 flash_cfg_start_sec = addr / SF_SEC_SIZE;
10726
10727 if (size > FLASH_BOOTCFG_MAX_SIZE) {
10728 CH_ERR(adap, "bootcfg file too large, max is %u bytes\n",
10729 FLASH_BOOTCFG_MAX_SIZE);
10730 return -EFBIG;
10731 }
10732
10733 i = DIV_ROUND_UP(FLASH_BOOTCFG_MAX_SIZE,/* # of sectors spanned */
10734 sf_sec_size);
10735 ret = t4_flash_erase_sectors(adap, flash_cfg_start_sec,
10736 flash_cfg_start_sec + i - 1);
10737
10738 /*
10739 * If size == 0 then we're simply erasing the FLASH sectors associated
10740 * with the on-adapter OptionROM Configuration File.
10741 */
10742 if (ret || size == 0)
10743 goto out;
10744
10745 /* this will write to the flash up to SF_PAGE_SIZE at a time */
10746 for (i = 0; i< size; i+= SF_PAGE_SIZE) {
10747 if ( (size - i) < SF_PAGE_SIZE)
10748 n = size - i;
10749 else
10750 n = SF_PAGE_SIZE;
10751 ret = t4_write_flash(adap, addr, n, cfg_data, 0);
10752 if (ret)
10753 goto out;
10754
10755 addr += SF_PAGE_SIZE;
10756 cfg_data += SF_PAGE_SIZE;
10757 }
10758
10759 out:
10760 if (ret)
10761 CH_ERR(adap, "boot config data %s failed %d\n",
10762 (size == 0 ? "clear" : "download"), ret);
10763 return ret;
10764 }
10765
10766 /**
10767 * t4_set_filter_mode - configure the optional components of filter tuples
10768 * @adap: the adapter
10769 * @mode_map: a bitmap selcting which optional filter components to enable
10770 * @sleep_ok: if true we may sleep while awaiting command completion
10771 *
10772 * Sets the filter mode by selecting the optional components to enable
10773 * in filter tuples. Returns 0 on success and a negative error if the
10774 * requested mode needs more bits than are available for optional
10775 * components.
10776 */
t4_set_filter_mode(struct adapter * adap,unsigned int mode_map,bool sleep_ok)10777 int t4_set_filter_mode(struct adapter *adap, unsigned int mode_map,
10778 bool sleep_ok)
10779 {
10780 static u8 width[] = { 1, 3, 17, 17, 8, 8, 16, 9, 3, 1 };
10781
10782 int i, nbits = 0;
10783
10784 for (i = S_FCOE; i <= S_FRAGMENTATION; i++)
10785 if (mode_map & (1 << i))
10786 nbits += width[i];
10787 if (nbits > FILTER_OPT_LEN)
10788 return -EINVAL;
10789 t4_tp_pio_write(adap, &mode_map, 1, A_TP_VLAN_PRI_MAP, sleep_ok);
10790 read_filter_mode_and_ingress_config(adap, sleep_ok);
10791
10792 return 0;
10793 }
10794
10795 /**
10796 * t4_clr_port_stats - clear port statistics
10797 * @adap: the adapter
10798 * @idx: the port index
10799 *
10800 * Clear HW statistics for the given port.
10801 */
t4_clr_port_stats(struct adapter * adap,int idx)10802 void t4_clr_port_stats(struct adapter *adap, int idx)
10803 {
10804 unsigned int i;
10805 u32 bgmap = adap2pinfo(adap, idx)->mps_bg_map;
10806 u32 port_base_addr;
10807
10808 if (is_t4(adap))
10809 port_base_addr = PORT_BASE(idx);
10810 else
10811 port_base_addr = T5_PORT_BASE(idx);
10812
10813 for (i = A_MPS_PORT_STAT_TX_PORT_BYTES_L;
10814 i <= A_MPS_PORT_STAT_TX_PORT_PPP7_H; i += 8)
10815 t4_write_reg(adap, port_base_addr + i, 0);
10816 for (i = A_MPS_PORT_STAT_RX_PORT_BYTES_L;
10817 i <= A_MPS_PORT_STAT_RX_PORT_LESS_64B_H; i += 8)
10818 t4_write_reg(adap, port_base_addr + i, 0);
10819 for (i = 0; i < 4; i++)
10820 if (bgmap & (1 << i)) {
10821 t4_write_reg(adap,
10822 A_MPS_STAT_RX_BG_0_MAC_DROP_FRAME_L + i * 8, 0);
10823 t4_write_reg(adap,
10824 A_MPS_STAT_RX_BG_0_MAC_TRUNC_FRAME_L + i * 8, 0);
10825 }
10826 }
10827
10828 /**
10829 * t4_i2c_io - read/write I2C data from adapter
10830 * @adap: the adapter
10831 * @port: Port number if per-port device; <0 if not
10832 * @devid: per-port device ID or absolute device ID
10833 * @offset: byte offset into device I2C space
10834 * @len: byte length of I2C space data
10835 * @buf: buffer in which to return I2C data for read
10836 * buffer which holds the I2C data for write
10837 * @write: if true, do a write; else do a read
10838 * Reads/Writes the I2C data from/to the indicated device and location.
10839 */
t4_i2c_io(struct adapter * adap,unsigned int mbox,int port,unsigned int devid,unsigned int offset,unsigned int len,u8 * buf,bool write)10840 int t4_i2c_io(struct adapter *adap, unsigned int mbox,
10841 int port, unsigned int devid,
10842 unsigned int offset, unsigned int len,
10843 u8 *buf, bool write)
10844 {
10845 struct fw_ldst_cmd ldst_cmd, ldst_rpl;
10846 unsigned int i2c_max = sizeof(ldst_cmd.u.i2c.data);
10847 int ret = 0;
10848
10849 if (len > I2C_PAGE_SIZE)
10850 return -EINVAL;
10851
10852 /* Dont allow reads that spans multiple pages */
10853 if (offset < I2C_PAGE_SIZE && offset + len > I2C_PAGE_SIZE)
10854 return -EINVAL;
10855
10856 memset(&ldst_cmd, 0, sizeof(ldst_cmd));
10857 ldst_cmd.op_to_addrspace =
10858 cpu_to_be32(V_FW_CMD_OP(FW_LDST_CMD) |
10859 F_FW_CMD_REQUEST |
10860 (write ? F_FW_CMD_WRITE : F_FW_CMD_READ) |
10861 V_FW_LDST_CMD_ADDRSPACE(FW_LDST_ADDRSPC_I2C));
10862 ldst_cmd.cycles_to_len16 = cpu_to_be32(FW_LEN16(ldst_cmd));
10863 ldst_cmd.u.i2c.pid = (port < 0 ? 0xff : port);
10864 ldst_cmd.u.i2c.did = devid;
10865
10866 while (len > 0) {
10867 unsigned int i2c_len = (len < i2c_max) ? len : i2c_max;
10868
10869 ldst_cmd.u.i2c.boffset = offset;
10870 ldst_cmd.u.i2c.blen = i2c_len;
10871
10872 if (write)
10873 memcpy(ldst_cmd.u.i2c.data, buf, i2c_len);
10874
10875 ret = t4_wr_mbox(adap, mbox, &ldst_cmd, sizeof(ldst_cmd),
10876 write ? NULL : &ldst_rpl);
10877 if (ret)
10878 break;
10879
10880 if (!write)
10881 memcpy(buf, ldst_rpl.u.i2c.data, i2c_len);
10882 offset += i2c_len;
10883 buf += i2c_len;
10884 len -= i2c_len;
10885 }
10886
10887 return ret;
10888 }
10889
t4_i2c_rd(struct adapter * adap,unsigned int mbox,int port,unsigned int devid,unsigned int offset,unsigned int len,u8 * buf)10890 int t4_i2c_rd(struct adapter *adap, unsigned int mbox,
10891 int port, unsigned int devid,
10892 unsigned int offset, unsigned int len,
10893 u8 *buf)
10894 {
10895 return t4_i2c_io(adap, mbox, port, devid, offset, len, buf, false);
10896 }
10897
t4_i2c_wr(struct adapter * adap,unsigned int mbox,int port,unsigned int devid,unsigned int offset,unsigned int len,u8 * buf)10898 int t4_i2c_wr(struct adapter *adap, unsigned int mbox,
10899 int port, unsigned int devid,
10900 unsigned int offset, unsigned int len,
10901 u8 *buf)
10902 {
10903 return t4_i2c_io(adap, mbox, port, devid, offset, len, buf, true);
10904 }
10905
10906 /**
10907 * t4_sge_ctxt_rd - read an SGE context through FW
10908 * @adap: the adapter
10909 * @mbox: mailbox to use for the FW command
10910 * @cid: the context id
10911 * @ctype: the context type
10912 * @data: where to store the context data
10913 *
10914 * Issues a FW command through the given mailbox to read an SGE context.
10915 */
t4_sge_ctxt_rd(struct adapter * adap,unsigned int mbox,unsigned int cid,enum ctxt_type ctype,u32 * data)10916 int t4_sge_ctxt_rd(struct adapter *adap, unsigned int mbox, unsigned int cid,
10917 enum ctxt_type ctype, u32 *data)
10918 {
10919 int ret;
10920 struct fw_ldst_cmd c;
10921
10922 if (ctype == CTXT_EGRESS)
10923 ret = FW_LDST_ADDRSPC_SGE_EGRC;
10924 else if (ctype == CTXT_INGRESS)
10925 ret = FW_LDST_ADDRSPC_SGE_INGC;
10926 else if (ctype == CTXT_FLM)
10927 ret = FW_LDST_ADDRSPC_SGE_FLMC;
10928 else
10929 ret = FW_LDST_ADDRSPC_SGE_CONMC;
10930
10931 memset(&c, 0, sizeof(c));
10932 c.op_to_addrspace = cpu_to_be32(V_FW_CMD_OP(FW_LDST_CMD) |
10933 F_FW_CMD_REQUEST | F_FW_CMD_READ |
10934 V_FW_LDST_CMD_ADDRSPACE(ret));
10935 c.cycles_to_len16 = cpu_to_be32(FW_LEN16(c));
10936 c.u.idctxt.physid = cpu_to_be32(cid);
10937
10938 ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
10939 if (ret == 0) {
10940 data[0] = be32_to_cpu(c.u.idctxt.ctxt_data0);
10941 data[1] = be32_to_cpu(c.u.idctxt.ctxt_data1);
10942 data[2] = be32_to_cpu(c.u.idctxt.ctxt_data2);
10943 data[3] = be32_to_cpu(c.u.idctxt.ctxt_data3);
10944 data[4] = be32_to_cpu(c.u.idctxt.ctxt_data4);
10945 data[5] = be32_to_cpu(c.u.idctxt.ctxt_data5);
10946 }
10947 return ret;
10948 }
10949
10950 /**
10951 * t4_sge_ctxt_rd_bd - read an SGE context bypassing FW
10952 * @adap: the adapter
10953 * @cid: the context id
10954 * @ctype: the context type
10955 * @data: where to store the context data
10956 *
10957 * Reads an SGE context directly, bypassing FW. This is only for
10958 * debugging when FW is unavailable.
10959 */
t4_sge_ctxt_rd_bd(struct adapter * adap,unsigned int cid,enum ctxt_type ctype,u32 * data)10960 int t4_sge_ctxt_rd_bd(struct adapter *adap, unsigned int cid, enum ctxt_type ctype,
10961 u32 *data)
10962 {
10963 int i, ret;
10964
10965 t4_write_reg(adap, A_SGE_CTXT_CMD, V_CTXTQID(cid) | V_CTXTTYPE(ctype));
10966 ret = t4_wait_op_done(adap, A_SGE_CTXT_CMD, F_BUSY, 0, 3, 1);
10967 if (!ret)
10968 for (i = A_SGE_CTXT_DATA0; i <= A_SGE_CTXT_DATA5; i += 4)
10969 *data++ = t4_read_reg(adap, i);
10970 return ret;
10971 }
10972
t4_sched_config(struct adapter * adapter,int type,int minmaxen,int sleep_ok)10973 int t4_sched_config(struct adapter *adapter, int type, int minmaxen,
10974 int sleep_ok)
10975 {
10976 struct fw_sched_cmd cmd;
10977
10978 memset(&cmd, 0, sizeof(cmd));
10979 cmd.op_to_write = cpu_to_be32(V_FW_CMD_OP(FW_SCHED_CMD) |
10980 F_FW_CMD_REQUEST |
10981 F_FW_CMD_WRITE);
10982 cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd));
10983
10984 cmd.u.config.sc = FW_SCHED_SC_CONFIG;
10985 cmd.u.config.type = type;
10986 cmd.u.config.minmaxen = minmaxen;
10987
10988 return t4_wr_mbox_meat(adapter,adapter->mbox, &cmd, sizeof(cmd),
10989 NULL, sleep_ok);
10990 }
10991
t4_sched_params(struct adapter * adapter,int type,int level,int mode,int rateunit,int ratemode,int channel,int cl,int minrate,int maxrate,int weight,int pktsize,int burstsize,int sleep_ok)10992 int t4_sched_params(struct adapter *adapter, int type, int level, int mode,
10993 int rateunit, int ratemode, int channel, int cl,
10994 int minrate, int maxrate, int weight, int pktsize,
10995 int burstsize, int sleep_ok)
10996 {
10997 struct fw_sched_cmd cmd;
10998
10999 memset(&cmd, 0, sizeof(cmd));
11000 cmd.op_to_write = cpu_to_be32(V_FW_CMD_OP(FW_SCHED_CMD) |
11001 F_FW_CMD_REQUEST |
11002 F_FW_CMD_WRITE);
11003 cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd));
11004
11005 cmd.u.params.sc = FW_SCHED_SC_PARAMS;
11006 cmd.u.params.type = type;
11007 cmd.u.params.level = level;
11008 cmd.u.params.mode = mode;
11009 cmd.u.params.ch = channel;
11010 cmd.u.params.cl = cl;
11011 cmd.u.params.unit = rateunit;
11012 cmd.u.params.rate = ratemode;
11013 cmd.u.params.min = cpu_to_be32(minrate);
11014 cmd.u.params.max = cpu_to_be32(maxrate);
11015 cmd.u.params.weight = cpu_to_be16(weight);
11016 cmd.u.params.pktsize = cpu_to_be16(pktsize);
11017 cmd.u.params.burstsize = cpu_to_be16(burstsize);
11018
11019 return t4_wr_mbox_meat(adapter,adapter->mbox, &cmd, sizeof(cmd),
11020 NULL, sleep_ok);
11021 }
11022
t4_sched_params_ch_rl(struct adapter * adapter,int channel,int ratemode,unsigned int maxrate,int sleep_ok)11023 int t4_sched_params_ch_rl(struct adapter *adapter, int channel, int ratemode,
11024 unsigned int maxrate, int sleep_ok)
11025 {
11026 struct fw_sched_cmd cmd;
11027
11028 memset(&cmd, 0, sizeof(cmd));
11029 cmd.op_to_write = cpu_to_be32(V_FW_CMD_OP(FW_SCHED_CMD) |
11030 F_FW_CMD_REQUEST |
11031 F_FW_CMD_WRITE);
11032 cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd));
11033
11034 cmd.u.params.sc = FW_SCHED_SC_PARAMS;
11035 cmd.u.params.type = FW_SCHED_TYPE_PKTSCHED;
11036 cmd.u.params.level = FW_SCHED_PARAMS_LEVEL_CH_RL;
11037 cmd.u.params.ch = channel;
11038 cmd.u.params.rate = ratemode; /* REL or ABS */
11039 cmd.u.params.max = cpu_to_be32(maxrate);/* % or kbps */
11040
11041 return t4_wr_mbox_meat(adapter,adapter->mbox, &cmd, sizeof(cmd),
11042 NULL, sleep_ok);
11043 }
11044
t4_sched_params_cl_wrr(struct adapter * adapter,int channel,int cl,int weight,int sleep_ok)11045 int t4_sched_params_cl_wrr(struct adapter *adapter, int channel, int cl,
11046 int weight, int sleep_ok)
11047 {
11048 struct fw_sched_cmd cmd;
11049
11050 if (weight < 0 || weight > 100)
11051 return -EINVAL;
11052
11053 memset(&cmd, 0, sizeof(cmd));
11054 cmd.op_to_write = cpu_to_be32(V_FW_CMD_OP(FW_SCHED_CMD) |
11055 F_FW_CMD_REQUEST |
11056 F_FW_CMD_WRITE);
11057 cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd));
11058
11059 cmd.u.params.sc = FW_SCHED_SC_PARAMS;
11060 cmd.u.params.type = FW_SCHED_TYPE_PKTSCHED;
11061 cmd.u.params.level = FW_SCHED_PARAMS_LEVEL_CL_WRR;
11062 cmd.u.params.ch = channel;
11063 cmd.u.params.cl = cl;
11064 cmd.u.params.weight = cpu_to_be16(weight);
11065
11066 return t4_wr_mbox_meat(adapter,adapter->mbox, &cmd, sizeof(cmd),
11067 NULL, sleep_ok);
11068 }
11069
t4_sched_params_cl_rl_kbps(struct adapter * adapter,int channel,int cl,int mode,unsigned int maxrate,int pktsize,int sleep_ok)11070 int t4_sched_params_cl_rl_kbps(struct adapter *adapter, int channel, int cl,
11071 int mode, unsigned int maxrate, int pktsize, int sleep_ok)
11072 {
11073 struct fw_sched_cmd cmd;
11074
11075 memset(&cmd, 0, sizeof(cmd));
11076 cmd.op_to_write = cpu_to_be32(V_FW_CMD_OP(FW_SCHED_CMD) |
11077 F_FW_CMD_REQUEST |
11078 F_FW_CMD_WRITE);
11079 cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd));
11080
11081 cmd.u.params.sc = FW_SCHED_SC_PARAMS;
11082 cmd.u.params.type = FW_SCHED_TYPE_PKTSCHED;
11083 cmd.u.params.level = FW_SCHED_PARAMS_LEVEL_CL_RL;
11084 cmd.u.params.mode = mode;
11085 cmd.u.params.ch = channel;
11086 cmd.u.params.cl = cl;
11087 cmd.u.params.unit = FW_SCHED_PARAMS_UNIT_BITRATE;
11088 cmd.u.params.rate = FW_SCHED_PARAMS_RATE_ABS;
11089 cmd.u.params.max = cpu_to_be32(maxrate);
11090 cmd.u.params.pktsize = cpu_to_be16(pktsize);
11091
11092 return t4_wr_mbox_meat(adapter,adapter->mbox, &cmd, sizeof(cmd),
11093 NULL, sleep_ok);
11094 }
11095
11096 /*
11097 * t4_config_watchdog - configure (enable/disable) a watchdog timer
11098 * @adapter: the adapter
11099 * @mbox: mailbox to use for the FW command
11100 * @pf: the PF owning the queue
11101 * @vf: the VF owning the queue
11102 * @timeout: watchdog timeout in ms
11103 * @action: watchdog timer / action
11104 *
11105 * There are separate watchdog timers for each possible watchdog
11106 * action. Configure one of the watchdog timers by setting a non-zero
11107 * timeout. Disable a watchdog timer by using a timeout of zero.
11108 */
t4_config_watchdog(struct adapter * adapter,unsigned int mbox,unsigned int pf,unsigned int vf,unsigned int timeout,unsigned int action)11109 int t4_config_watchdog(struct adapter *adapter, unsigned int mbox,
11110 unsigned int pf, unsigned int vf,
11111 unsigned int timeout, unsigned int action)
11112 {
11113 struct fw_watchdog_cmd wdog;
11114 unsigned int ticks;
11115
11116 /*
11117 * The watchdog command expects a timeout in units of 10ms so we need
11118 * to convert it here (via rounding) and force a minimum of one 10ms
11119 * "tick" if the timeout is non-zero but the conversion results in 0
11120 * ticks.
11121 */
11122 ticks = (timeout + 5)/10;
11123 if (timeout && !ticks)
11124 ticks = 1;
11125
11126 memset(&wdog, 0, sizeof wdog);
11127 wdog.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_WATCHDOG_CMD) |
11128 F_FW_CMD_REQUEST |
11129 F_FW_CMD_WRITE |
11130 V_FW_PARAMS_CMD_PFN(pf) |
11131 V_FW_PARAMS_CMD_VFN(vf));
11132 wdog.retval_len16 = cpu_to_be32(FW_LEN16(wdog));
11133 wdog.timeout = cpu_to_be32(ticks);
11134 wdog.action = cpu_to_be32(action);
11135
11136 return t4_wr_mbox(adapter, mbox, &wdog, sizeof wdog, NULL);
11137 }
11138
t4_get_devlog_level(struct adapter * adapter,unsigned int * level)11139 int t4_get_devlog_level(struct adapter *adapter, unsigned int *level)
11140 {
11141 struct fw_devlog_cmd devlog_cmd;
11142 int ret;
11143
11144 memset(&devlog_cmd, 0, sizeof(devlog_cmd));
11145 devlog_cmd.op_to_write = cpu_to_be32(V_FW_CMD_OP(FW_DEVLOG_CMD) |
11146 F_FW_CMD_REQUEST | F_FW_CMD_READ);
11147 devlog_cmd.retval_len16 = cpu_to_be32(FW_LEN16(devlog_cmd));
11148 ret = t4_wr_mbox(adapter, adapter->mbox, &devlog_cmd,
11149 sizeof(devlog_cmd), &devlog_cmd);
11150 if (ret)
11151 return ret;
11152
11153 *level = devlog_cmd.level;
11154 return 0;
11155 }
11156
t4_set_devlog_level(struct adapter * adapter,unsigned int level)11157 int t4_set_devlog_level(struct adapter *adapter, unsigned int level)
11158 {
11159 struct fw_devlog_cmd devlog_cmd;
11160
11161 memset(&devlog_cmd, 0, sizeof(devlog_cmd));
11162 devlog_cmd.op_to_write = cpu_to_be32(V_FW_CMD_OP(FW_DEVLOG_CMD) |
11163 F_FW_CMD_REQUEST |
11164 F_FW_CMD_WRITE);
11165 devlog_cmd.level = level;
11166 devlog_cmd.retval_len16 = cpu_to_be32(FW_LEN16(devlog_cmd));
11167 return t4_wr_mbox(adapter, adapter->mbox, &devlog_cmd,
11168 sizeof(devlog_cmd), &devlog_cmd);
11169 }
11170
t4_configure_add_smac(struct adapter * adap)11171 int t4_configure_add_smac(struct adapter *adap)
11172 {
11173 unsigned int param, val;
11174 int ret = 0;
11175
11176 adap->params.smac_add_support = 0;
11177 param = (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) |
11178 V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_ADD_SMAC));
11179 /* Query FW to check if FW supports adding source mac address
11180 * to TCAM feature or not.
11181 * If FW returns 1, driver can use this feature and driver need to send
11182 * FW_PARAMS_PARAM_DEV_ADD_SMAC write command with value 1 to
11183 * enable adding smac to TCAM.
11184 */
11185 ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 1, ¶m, &val);
11186 if (ret)
11187 return ret;
11188
11189 if (val == 1) {
11190 ret = t4_set_params(adap, adap->mbox, adap->pf, 0, 1,
11191 ¶m, &val);
11192 if (!ret)
11193 /* Firmware allows adding explicit TCAM entries.
11194 * Save this internally.
11195 */
11196 adap->params.smac_add_support = 1;
11197 }
11198
11199 return ret;
11200 }
11201
t4_configure_ringbb(struct adapter * adap)11202 int t4_configure_ringbb(struct adapter *adap)
11203 {
11204 unsigned int param, val;
11205 int ret = 0;
11206
11207 param = (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) |
11208 V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_RING_BACKBONE));
11209 /* Query FW to check if FW supports ring switch feature or not.
11210 * If FW returns 1, driver can use this feature and driver need to send
11211 * FW_PARAMS_PARAM_DEV_RING_BACKBONE write command with value 1 to
11212 * enable the ring backbone configuration.
11213 */
11214 ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 1, ¶m, &val);
11215 if (ret < 0) {
11216 CH_ERR(adap, "Querying FW using Ring backbone params command failed, err=%d\n",
11217 ret);
11218 goto out;
11219 }
11220
11221 if (val != 1) {
11222 CH_ERR(adap, "FW doesnot support ringbackbone features\n");
11223 goto out;
11224 }
11225
11226 ret = t4_set_params(adap, adap->mbox, adap->pf, 0, 1, ¶m, &val);
11227 if (ret < 0) {
11228 CH_ERR(adap, "Could not set Ringbackbone, err= %d\n",
11229 ret);
11230 goto out;
11231 }
11232
11233 out:
11234 return ret;
11235 }
11236
11237 /*
11238 * t4_set_vlan_acl - Set a VLAN id for the specified VF
11239 * @adapter: the adapter
11240 * @mbox: mailbox to use for the FW command
11241 * @vf: one of the VFs instantiated by the specified PF
11242 * @vlan: The vlanid to be set
11243 *
11244 */
t4_set_vlan_acl(struct adapter * adap,unsigned int mbox,unsigned int vf,u16 vlan)11245 int t4_set_vlan_acl(struct adapter *adap, unsigned int mbox, unsigned int vf,
11246 u16 vlan)
11247 {
11248 struct fw_acl_vlan_cmd vlan_cmd;
11249 unsigned int enable;
11250
11251 enable = (vlan ? F_FW_ACL_VLAN_CMD_EN : 0);
11252 memset(&vlan_cmd, 0, sizeof(vlan_cmd));
11253 vlan_cmd.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_ACL_VLAN_CMD) |
11254 F_FW_CMD_REQUEST |
11255 F_FW_CMD_WRITE |
11256 F_FW_CMD_EXEC |
11257 V_FW_ACL_VLAN_CMD_PFN(adap->pf) |
11258 V_FW_ACL_VLAN_CMD_VFN(vf));
11259 vlan_cmd.en_to_len16 = cpu_to_be32(enable | FW_LEN16(vlan_cmd));
11260 /* Drop all packets that donot match vlan id */
11261 vlan_cmd.dropnovlan_fm = (enable
11262 ? (F_FW_ACL_VLAN_CMD_DROPNOVLAN |
11263 F_FW_ACL_VLAN_CMD_FM)
11264 : 0);
11265 if (enable != 0) {
11266 vlan_cmd.nvlan = 1;
11267 vlan_cmd.vlanid[0] = cpu_to_be16(vlan);
11268 }
11269
11270 return t4_wr_mbox(adap, adap->mbox, &vlan_cmd, sizeof(vlan_cmd), NULL);
11271 }
11272
11273 /**
11274 * t4_del_mac - Removes the exact-match filter for a MAC address
11275 * @adap: the adapter
11276 * @mbox: mailbox to use for the FW command
11277 * @viid: the VI id
11278 * @addr: the MAC address value
11279 * @smac: if true, delete from only the smac region of MPS
11280 *
11281 * Modifies an exact-match filter and sets it to the new MAC address if
11282 * @idx >= 0, or adds the MAC address to a new filter if @idx < 0. In the
11283 * latter case the address is added persistently if @persist is %true.
11284 *
11285 * Returns a negative error number or the index of the filter with the new
11286 * MAC value. Note that this index may differ from @idx.
11287 */
t4_del_mac(struct adapter * adap,unsigned int mbox,unsigned int viid,const u8 * addr,bool smac)11288 int t4_del_mac(struct adapter *adap, unsigned int mbox, unsigned int viid,
11289 const u8 *addr, bool smac)
11290 {
11291 int ret;
11292 struct fw_vi_mac_cmd c;
11293 struct fw_vi_mac_exact *p = c.u.exact;
11294 unsigned int max_mac_addr = adap->chip_params->mps_tcam_size;
11295
11296 memset(&c, 0, sizeof(c));
11297 c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_MAC_CMD) |
11298 F_FW_CMD_REQUEST | F_FW_CMD_WRITE |
11299 V_FW_VI_MAC_CMD_VIID(viid));
11300 c.freemacs_to_len16 = cpu_to_be32(
11301 V_FW_CMD_LEN16(1) |
11302 (smac ? F_FW_VI_MAC_CMD_IS_SMAC : 0));
11303
11304 memcpy(p->macaddr, addr, sizeof(p->macaddr));
11305 p->valid_to_idx = cpu_to_be16(
11306 F_FW_VI_MAC_CMD_VALID |
11307 V_FW_VI_MAC_CMD_IDX(FW_VI_MAC_MAC_BASED_FREE));
11308
11309 ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
11310 if (ret == 0) {
11311 ret = G_FW_VI_MAC_CMD_IDX(be16_to_cpu(p->valid_to_idx));
11312 if (ret < max_mac_addr)
11313 return -ENOMEM;
11314 }
11315
11316 return ret;
11317 }
11318
11319 /**
11320 * t4_add_mac - Adds an exact-match filter for a MAC address
11321 * @adap: the adapter
11322 * @mbox: mailbox to use for the FW command
11323 * @viid: the VI id
11324 * @idx: index of existing filter for old value of MAC address, or -1
11325 * @addr: the new MAC address value
11326 * @persist: whether a new MAC allocation should be persistent
11327 * @add_smt: if true also add the address to the HW SMT
11328 * @smac: if true, update only the smac region of MPS
11329 *
11330 * Modifies an exact-match filter and sets it to the new MAC address if
11331 * @idx >= 0, or adds the MAC address to a new filter if @idx < 0. In the
11332 * latter case the address is added persistently if @persist is %true.
11333 *
11334 * Returns a negative error number or the index of the filter with the new
11335 * MAC value. Note that this index may differ from @idx.
11336 */
t4_add_mac(struct adapter * adap,unsigned int mbox,unsigned int viid,int idx,const u8 * addr,bool persist,u8 * smt_idx,bool smac)11337 int t4_add_mac(struct adapter *adap, unsigned int mbox, unsigned int viid,
11338 int idx, const u8 *addr, bool persist, u8 *smt_idx, bool smac)
11339 {
11340 int ret, mode;
11341 struct fw_vi_mac_cmd c;
11342 struct fw_vi_mac_exact *p = c.u.exact;
11343 unsigned int max_mac_addr = adap->chip_params->mps_tcam_size;
11344
11345 if (idx < 0) /* new allocation */
11346 idx = persist ? FW_VI_MAC_ADD_PERSIST_MAC : FW_VI_MAC_ADD_MAC;
11347 mode = smt_idx ? FW_VI_MAC_SMT_AND_MPSTCAM : FW_VI_MAC_MPS_TCAM_ENTRY;
11348
11349 memset(&c, 0, sizeof(c));
11350 c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_MAC_CMD) |
11351 F_FW_CMD_REQUEST | F_FW_CMD_WRITE |
11352 V_FW_VI_MAC_CMD_VIID(viid));
11353 c.freemacs_to_len16 = cpu_to_be32(
11354 V_FW_CMD_LEN16(1) |
11355 (smac ? F_FW_VI_MAC_CMD_IS_SMAC : 0));
11356 p->valid_to_idx = cpu_to_be16(F_FW_VI_MAC_CMD_VALID |
11357 V_FW_VI_MAC_CMD_SMAC_RESULT(mode) |
11358 V_FW_VI_MAC_CMD_IDX(idx));
11359 memcpy(p->macaddr, addr, sizeof(p->macaddr));
11360
11361 ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
11362 if (ret == 0) {
11363 ret = G_FW_VI_MAC_CMD_IDX(be16_to_cpu(p->valid_to_idx));
11364 if (ret >= max_mac_addr)
11365 return -ENOMEM;
11366 if (smt_idx) {
11367 /* Does fw supports returning smt_idx? */
11368 if (adap->params.viid_smt_extn_support)
11369 *smt_idx = G_FW_VI_MAC_CMD_SMTID(be32_to_cpu(c.op_to_viid));
11370 else {
11371 /* In T4/T5, SMT contains 256 SMAC entries
11372 * organized in 128 rows of 2 entries each.
11373 * In T6, SMT contains 256 SMAC entries in
11374 * 256 rows.
11375 */
11376 if (chip_id(adap) <= CHELSIO_T5)
11377 *smt_idx = ((viid & M_FW_VIID_VIN) << 1);
11378 else
11379 *smt_idx = (viid & M_FW_VIID_VIN);
11380 }
11381 }
11382 }
11383
11384 return ret;
11385 }
11386