1 /*-
2 * Copyright (c) 2012, 2016 Chelsio Communications, Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD: stable/10/sys/dev/cxgbe/common/t4_hw.c 353418 2019-10-10 23:27:02Z np $");
29
30 #include "opt_inet.h"
31
32 #include "common.h"
33 #include "t4_regs.h"
34 #include "t4_regs_values.h"
35 #include "firmware/t4fw_interface.h"
36
37 #undef msleep
38 #define msleep(x) do { \
39 if (cold) \
40 DELAY((x) * 1000); \
41 else \
42 pause("t4hw", (x) * hz / 1000); \
43 } while (0)
44
45 /**
46 * t4_wait_op_done_val - wait until an operation is completed
47 * @adapter: the adapter performing the operation
48 * @reg: the register to check for completion
49 * @mask: a single-bit field within @reg that indicates completion
50 * @polarity: the value of the field when the operation is completed
51 * @attempts: number of check iterations
52 * @delay: delay in usecs between iterations
53 * @valp: where to store the value of the register at completion time
54 *
55 * Wait until an operation is completed by checking a bit in a register
56 * up to @attempts times. If @valp is not NULL the value of the register
57 * at the time it indicated completion is stored there. Returns 0 if the
58 * operation completes and -EAGAIN otherwise.
59 */
t4_wait_op_done_val(struct adapter * adapter,int reg,u32 mask,int polarity,int attempts,int delay,u32 * valp)60 static int t4_wait_op_done_val(struct adapter *adapter, int reg, u32 mask,
61 int polarity, int attempts, int delay, u32 *valp)
62 {
63 while (1) {
64 u32 val = t4_read_reg(adapter, reg);
65
66 if (!!(val & mask) == polarity) {
67 if (valp)
68 *valp = val;
69 return 0;
70 }
71 if (--attempts == 0)
72 return -EAGAIN;
73 if (delay)
74 udelay(delay);
75 }
76 }
77
t4_wait_op_done(struct adapter * adapter,int reg,u32 mask,int polarity,int attempts,int delay)78 static inline int t4_wait_op_done(struct adapter *adapter, int reg, u32 mask,
79 int polarity, int attempts, int delay)
80 {
81 return t4_wait_op_done_val(adapter, reg, mask, polarity, attempts,
82 delay, NULL);
83 }
84
85 /**
86 * t4_set_reg_field - set a register field to a value
87 * @adapter: the adapter to program
88 * @addr: the register address
89 * @mask: specifies the portion of the register to modify
90 * @val: the new value for the register field
91 *
92 * Sets a register field specified by the supplied mask to the
93 * given value.
94 */
t4_set_reg_field(struct adapter * adapter,unsigned int addr,u32 mask,u32 val)95 void t4_set_reg_field(struct adapter *adapter, unsigned int addr, u32 mask,
96 u32 val)
97 {
98 u32 v = t4_read_reg(adapter, addr) & ~mask;
99
100 t4_write_reg(adapter, addr, v | val);
101 (void) t4_read_reg(adapter, addr); /* flush */
102 }
103
104 /**
105 * t4_read_indirect - read indirectly addressed registers
106 * @adap: the adapter
107 * @addr_reg: register holding the indirect address
108 * @data_reg: register holding the value of the indirect register
109 * @vals: where the read register values are stored
110 * @nregs: how many indirect registers to read
111 * @start_idx: index of first indirect register to read
112 *
113 * Reads registers that are accessed indirectly through an address/data
114 * register pair.
115 */
t4_read_indirect(struct adapter * adap,unsigned int addr_reg,unsigned int data_reg,u32 * vals,unsigned int nregs,unsigned int start_idx)116 void t4_read_indirect(struct adapter *adap, unsigned int addr_reg,
117 unsigned int data_reg, u32 *vals,
118 unsigned int nregs, unsigned int start_idx)
119 {
120 while (nregs--) {
121 t4_write_reg(adap, addr_reg, start_idx);
122 *vals++ = t4_read_reg(adap, data_reg);
123 start_idx++;
124 }
125 }
126
127 /**
128 * t4_write_indirect - write indirectly addressed registers
129 * @adap: the adapter
130 * @addr_reg: register holding the indirect addresses
131 * @data_reg: register holding the value for the indirect registers
132 * @vals: values to write
133 * @nregs: how many indirect registers to write
134 * @start_idx: address of first indirect register to write
135 *
136 * Writes a sequential block of registers that are accessed indirectly
137 * through an address/data register pair.
138 */
t4_write_indirect(struct adapter * adap,unsigned int addr_reg,unsigned int data_reg,const u32 * vals,unsigned int nregs,unsigned int start_idx)139 void t4_write_indirect(struct adapter *adap, unsigned int addr_reg,
140 unsigned int data_reg, const u32 *vals,
141 unsigned int nregs, unsigned int start_idx)
142 {
143 while (nregs--) {
144 t4_write_reg(adap, addr_reg, start_idx++);
145 t4_write_reg(adap, data_reg, *vals++);
146 }
147 }
148
149 /*
150 * Read a 32-bit PCI Configuration Space register via the PCI-E backdoor
151 * mechanism. This guarantees that we get the real value even if we're
152 * operating within a Virtual Machine and the Hypervisor is trapping our
153 * Configuration Space accesses.
154 *
155 * N.B. This routine should only be used as a last resort: the firmware uses
156 * the backdoor registers on a regular basis and we can end up
157 * conflicting with it's uses!
158 */
t4_hw_pci_read_cfg4(adapter_t * adap,int reg)159 u32 t4_hw_pci_read_cfg4(adapter_t *adap, int reg)
160 {
161 u32 req = V_FUNCTION(adap->pf) | V_REGISTER(reg);
162 u32 val;
163
164 if (chip_id(adap) <= CHELSIO_T5)
165 req |= F_ENABLE;
166 else
167 req |= F_T6_ENABLE;
168
169 if (is_t4(adap))
170 req |= F_LOCALCFG;
171
172 t4_write_reg(adap, A_PCIE_CFG_SPACE_REQ, req);
173 val = t4_read_reg(adap, A_PCIE_CFG_SPACE_DATA);
174
175 /*
176 * Reset F_ENABLE to 0 so reads of PCIE_CFG_SPACE_DATA won't cause a
177 * Configuration Space read. (None of the other fields matter when
178 * F_ENABLE is 0 so a simple register write is easier than a
179 * read-modify-write via t4_set_reg_field().)
180 */
181 t4_write_reg(adap, A_PCIE_CFG_SPACE_REQ, 0);
182
183 return val;
184 }
185
186 /*
187 * t4_report_fw_error - report firmware error
188 * @adap: the adapter
189 *
190 * The adapter firmware can indicate error conditions to the host.
191 * If the firmware has indicated an error, print out the reason for
192 * the firmware error.
193 */
t4_report_fw_error(struct adapter * adap)194 static void t4_report_fw_error(struct adapter *adap)
195 {
196 static const char *const reason[] = {
197 "Crash", /* PCIE_FW_EVAL_CRASH */
198 "During Device Preparation", /* PCIE_FW_EVAL_PREP */
199 "During Device Configuration", /* PCIE_FW_EVAL_CONF */
200 "During Device Initialization", /* PCIE_FW_EVAL_INIT */
201 "Unexpected Event", /* PCIE_FW_EVAL_UNEXPECTEDEVENT */
202 "Insufficient Airflow", /* PCIE_FW_EVAL_OVERHEAT */
203 "Device Shutdown", /* PCIE_FW_EVAL_DEVICESHUTDOWN */
204 "Reserved", /* reserved */
205 };
206 u32 pcie_fw;
207
208 pcie_fw = t4_read_reg(adap, A_PCIE_FW);
209 if (pcie_fw & F_PCIE_FW_ERR)
210 CH_ERR(adap, "Firmware reports adapter error: %s\n",
211 reason[G_PCIE_FW_EVAL(pcie_fw)]);
212 }
213
214 /*
215 * Get the reply to a mailbox command and store it in @rpl in big-endian order.
216 */
get_mbox_rpl(struct adapter * adap,__be64 * rpl,int nflit,u32 mbox_addr)217 static void get_mbox_rpl(struct adapter *adap, __be64 *rpl, int nflit,
218 u32 mbox_addr)
219 {
220 for ( ; nflit; nflit--, mbox_addr += 8)
221 *rpl++ = cpu_to_be64(t4_read_reg64(adap, mbox_addr));
222 }
223
224 /*
225 * Handle a FW assertion reported in a mailbox.
226 */
fw_asrt(struct adapter * adap,struct fw_debug_cmd * asrt)227 static void fw_asrt(struct adapter *adap, struct fw_debug_cmd *asrt)
228 {
229 CH_ALERT(adap,
230 "FW assertion at %.16s:%u, val0 %#x, val1 %#x\n",
231 asrt->u.assert.filename_0_7,
232 be32_to_cpu(asrt->u.assert.line),
233 be32_to_cpu(asrt->u.assert.x),
234 be32_to_cpu(asrt->u.assert.y));
235 }
236
237 #define X_CIM_PF_NOACCESS 0xeeeeeeee
238 /**
239 * t4_wr_mbox_meat_timeout - send a command to FW through the given mailbox
240 * @adap: the adapter
241 * @mbox: index of the mailbox to use
242 * @cmd: the command to write
243 * @size: command length in bytes
244 * @rpl: where to optionally store the reply
245 * @sleep_ok: if true we may sleep while awaiting command completion
246 * @timeout: time to wait for command to finish before timing out
247 * (negative implies @sleep_ok=false)
248 *
249 * Sends the given command to FW through the selected mailbox and waits
250 * for the FW to execute the command. If @rpl is not %NULL it is used to
251 * store the FW's reply to the command. The command and its optional
252 * reply are of the same length. Some FW commands like RESET and
253 * INITIALIZE can take a considerable amount of time to execute.
254 * @sleep_ok determines whether we may sleep while awaiting the response.
255 * If sleeping is allowed we use progressive backoff otherwise we spin.
256 * Note that passing in a negative @timeout is an alternate mechanism
257 * for specifying @sleep_ok=false. This is useful when a higher level
258 * interface allows for specification of @timeout but not @sleep_ok ...
259 *
260 * The return value is 0 on success or a negative errno on failure. A
261 * failure can happen either because we are not able to execute the
262 * command or FW executes it but signals an error. In the latter case
263 * the return value is the error code indicated by FW (negated).
264 */
t4_wr_mbox_meat_timeout(struct adapter * adap,int mbox,const void * cmd,int size,void * rpl,bool sleep_ok,int timeout)265 int t4_wr_mbox_meat_timeout(struct adapter *adap, int mbox, const void *cmd,
266 int size, void *rpl, bool sleep_ok, int timeout)
267 {
268 /*
269 * We delay in small increments at first in an effort to maintain
270 * responsiveness for simple, fast executing commands but then back
271 * off to larger delays to a maximum retry delay.
272 */
273 static const int delay[] = {
274 1, 1, 3, 5, 10, 10, 20, 50, 100
275 };
276 u32 v;
277 u64 res;
278 int i, ms, delay_idx, ret;
279 const __be64 *p = cmd;
280 u32 data_reg = PF_REG(mbox, A_CIM_PF_MAILBOX_DATA);
281 u32 ctl_reg = PF_REG(mbox, A_CIM_PF_MAILBOX_CTRL);
282 u32 ctl;
283 __be64 cmd_rpl[MBOX_LEN/8];
284 u32 pcie_fw;
285
286 if ((size & 15) || size > MBOX_LEN)
287 return -EINVAL;
288
289 if (adap->flags & IS_VF) {
290 if (is_t6(adap))
291 data_reg = FW_T6VF_MBDATA_BASE_ADDR;
292 else
293 data_reg = FW_T4VF_MBDATA_BASE_ADDR;
294 ctl_reg = VF_CIM_REG(A_CIM_VF_EXT_MAILBOX_CTRL);
295 }
296
297 /*
298 * If we have a negative timeout, that implies that we can't sleep.
299 */
300 if (timeout < 0) {
301 sleep_ok = false;
302 timeout = -timeout;
303 }
304
305 /*
306 * Attempt to gain access to the mailbox.
307 */
308 for (i = 0; i < 4; i++) {
309 ctl = t4_read_reg(adap, ctl_reg);
310 v = G_MBOWNER(ctl);
311 if (v != X_MBOWNER_NONE)
312 break;
313 }
314
315 /*
316 * If we were unable to gain access, dequeue ourselves from the
317 * mailbox atomic access list and report the error to our caller.
318 */
319 if (v != X_MBOWNER_PL) {
320 t4_report_fw_error(adap);
321 ret = (v == X_MBOWNER_FW) ? -EBUSY : -ETIMEDOUT;
322 return ret;
323 }
324
325 /*
326 * If we gain ownership of the mailbox and there's a "valid" message
327 * in it, this is likely an asynchronous error message from the
328 * firmware. So we'll report that and then proceed on with attempting
329 * to issue our own command ... which may well fail if the error
330 * presaged the firmware crashing ...
331 */
332 if (ctl & F_MBMSGVALID) {
333 CH_ERR(adap, "found VALID command in mbox %u: "
334 "%llx %llx %llx %llx %llx %llx %llx %llx\n", mbox,
335 (unsigned long long)t4_read_reg64(adap, data_reg),
336 (unsigned long long)t4_read_reg64(adap, data_reg + 8),
337 (unsigned long long)t4_read_reg64(adap, data_reg + 16),
338 (unsigned long long)t4_read_reg64(adap, data_reg + 24),
339 (unsigned long long)t4_read_reg64(adap, data_reg + 32),
340 (unsigned long long)t4_read_reg64(adap, data_reg + 40),
341 (unsigned long long)t4_read_reg64(adap, data_reg + 48),
342 (unsigned long long)t4_read_reg64(adap, data_reg + 56));
343 }
344
345 /*
346 * Copy in the new mailbox command and send it on its way ...
347 */
348 for (i = 0; i < size; i += 8, p++)
349 t4_write_reg64(adap, data_reg + i, be64_to_cpu(*p));
350
351 if (adap->flags & IS_VF) {
352 /*
353 * For the VFs, the Mailbox Data "registers" are
354 * actually backed by T4's "MA" interface rather than
355 * PL Registers (as is the case for the PFs). Because
356 * these are in different coherency domains, the write
357 * to the VF's PL-register-backed Mailbox Control can
358 * race in front of the writes to the MA-backed VF
359 * Mailbox Data "registers". So we need to do a
360 * read-back on at least one byte of the VF Mailbox
361 * Data registers before doing the write to the VF
362 * Mailbox Control register.
363 */
364 t4_read_reg(adap, data_reg);
365 }
366
367 CH_DUMP_MBOX(adap, mbox, data_reg);
368
369 t4_write_reg(adap, ctl_reg, F_MBMSGVALID | V_MBOWNER(X_MBOWNER_FW));
370 t4_read_reg(adap, ctl_reg); /* flush write */
371
372 delay_idx = 0;
373 ms = delay[0];
374
375 /*
376 * Loop waiting for the reply; bail out if we time out or the firmware
377 * reports an error.
378 */
379 pcie_fw = 0;
380 for (i = 0; i < timeout; i += ms) {
381 if (!(adap->flags & IS_VF)) {
382 pcie_fw = t4_read_reg(adap, A_PCIE_FW);
383 if (pcie_fw & F_PCIE_FW_ERR)
384 break;
385 }
386 if (sleep_ok) {
387 ms = delay[delay_idx]; /* last element may repeat */
388 if (delay_idx < ARRAY_SIZE(delay) - 1)
389 delay_idx++;
390 msleep(ms);
391 } else {
392 mdelay(ms);
393 }
394
395 v = t4_read_reg(adap, ctl_reg);
396 if (v == X_CIM_PF_NOACCESS)
397 continue;
398 if (G_MBOWNER(v) == X_MBOWNER_PL) {
399 if (!(v & F_MBMSGVALID)) {
400 t4_write_reg(adap, ctl_reg,
401 V_MBOWNER(X_MBOWNER_NONE));
402 continue;
403 }
404
405 /*
406 * Retrieve the command reply and release the mailbox.
407 */
408 get_mbox_rpl(adap, cmd_rpl, MBOX_LEN/8, data_reg);
409 t4_write_reg(adap, ctl_reg, V_MBOWNER(X_MBOWNER_NONE));
410
411 CH_DUMP_MBOX(adap, mbox, data_reg);
412
413 res = be64_to_cpu(cmd_rpl[0]);
414 if (G_FW_CMD_OP(res >> 32) == FW_DEBUG_CMD) {
415 fw_asrt(adap, (struct fw_debug_cmd *)cmd_rpl);
416 res = V_FW_CMD_RETVAL(EIO);
417 } else if (rpl)
418 memcpy(rpl, cmd_rpl, size);
419 return -G_FW_CMD_RETVAL((int)res);
420 }
421 }
422
423 /*
424 * We timed out waiting for a reply to our mailbox command. Report
425 * the error and also check to see if the firmware reported any
426 * errors ...
427 */
428 ret = (pcie_fw & F_PCIE_FW_ERR) ? -ENXIO : -ETIMEDOUT;
429 CH_ERR(adap, "command %#x in mailbox %d timed out\n",
430 *(const u8 *)cmd, mbox);
431
432 /* If DUMP_MBOX is set the mbox has already been dumped */
433 if ((adap->debug_flags & DF_DUMP_MBOX) == 0) {
434 p = cmd;
435 CH_ERR(adap, "mbox: %016llx %016llx %016llx %016llx "
436 "%016llx %016llx %016llx %016llx\n",
437 (unsigned long long)be64_to_cpu(p[0]),
438 (unsigned long long)be64_to_cpu(p[1]),
439 (unsigned long long)be64_to_cpu(p[2]),
440 (unsigned long long)be64_to_cpu(p[3]),
441 (unsigned long long)be64_to_cpu(p[4]),
442 (unsigned long long)be64_to_cpu(p[5]),
443 (unsigned long long)be64_to_cpu(p[6]),
444 (unsigned long long)be64_to_cpu(p[7]));
445 }
446
447 t4_report_fw_error(adap);
448 t4_fatal_err(adap);
449 return ret;
450 }
451
t4_wr_mbox_meat(struct adapter * adap,int mbox,const void * cmd,int size,void * rpl,bool sleep_ok)452 int t4_wr_mbox_meat(struct adapter *adap, int mbox, const void *cmd, int size,
453 void *rpl, bool sleep_ok)
454 {
455 return t4_wr_mbox_meat_timeout(adap, mbox, cmd, size, rpl,
456 sleep_ok, FW_CMD_MAX_TIMEOUT);
457
458 }
459
t4_edc_err_read(struct adapter * adap,int idx)460 static int t4_edc_err_read(struct adapter *adap, int idx)
461 {
462 u32 edc_ecc_err_addr_reg;
463 u32 edc_bist_status_rdata_reg;
464
465 if (is_t4(adap)) {
466 CH_WARN(adap, "%s: T4 NOT supported.\n", __func__);
467 return 0;
468 }
469 if (idx != MEM_EDC0 && idx != MEM_EDC1) {
470 CH_WARN(adap, "%s: idx %d NOT supported.\n", __func__, idx);
471 return 0;
472 }
473
474 edc_ecc_err_addr_reg = EDC_T5_REG(A_EDC_H_ECC_ERR_ADDR, idx);
475 edc_bist_status_rdata_reg = EDC_T5_REG(A_EDC_H_BIST_STATUS_RDATA, idx);
476
477 CH_WARN(adap,
478 "edc%d err addr 0x%x: 0x%x.\n",
479 idx, edc_ecc_err_addr_reg,
480 t4_read_reg(adap, edc_ecc_err_addr_reg));
481 CH_WARN(adap,
482 "bist: 0x%x, status %llx %llx %llx %llx %llx %llx %llx %llx %llx.\n",
483 edc_bist_status_rdata_reg,
484 (unsigned long long)t4_read_reg64(adap, edc_bist_status_rdata_reg),
485 (unsigned long long)t4_read_reg64(adap, edc_bist_status_rdata_reg + 8),
486 (unsigned long long)t4_read_reg64(adap, edc_bist_status_rdata_reg + 16),
487 (unsigned long long)t4_read_reg64(adap, edc_bist_status_rdata_reg + 24),
488 (unsigned long long)t4_read_reg64(adap, edc_bist_status_rdata_reg + 32),
489 (unsigned long long)t4_read_reg64(adap, edc_bist_status_rdata_reg + 40),
490 (unsigned long long)t4_read_reg64(adap, edc_bist_status_rdata_reg + 48),
491 (unsigned long long)t4_read_reg64(adap, edc_bist_status_rdata_reg + 56),
492 (unsigned long long)t4_read_reg64(adap, edc_bist_status_rdata_reg + 64));
493
494 return 0;
495 }
496
497 /**
498 * t4_mc_read - read from MC through backdoor accesses
499 * @adap: the adapter
500 * @idx: which MC to access
501 * @addr: address of first byte requested
502 * @data: 64 bytes of data containing the requested address
503 * @ecc: where to store the corresponding 64-bit ECC word
504 *
505 * Read 64 bytes of data from MC starting at a 64-byte-aligned address
506 * that covers the requested address @addr. If @parity is not %NULL it
507 * is assigned the 64-bit ECC word for the read data.
508 */
t4_mc_read(struct adapter * adap,int idx,u32 addr,__be32 * data,u64 * ecc)509 int t4_mc_read(struct adapter *adap, int idx, u32 addr, __be32 *data, u64 *ecc)
510 {
511 int i;
512 u32 mc_bist_cmd_reg, mc_bist_cmd_addr_reg, mc_bist_cmd_len_reg;
513 u32 mc_bist_status_rdata_reg, mc_bist_data_pattern_reg;
514
515 if (is_t4(adap)) {
516 mc_bist_cmd_reg = A_MC_BIST_CMD;
517 mc_bist_cmd_addr_reg = A_MC_BIST_CMD_ADDR;
518 mc_bist_cmd_len_reg = A_MC_BIST_CMD_LEN;
519 mc_bist_status_rdata_reg = A_MC_BIST_STATUS_RDATA;
520 mc_bist_data_pattern_reg = A_MC_BIST_DATA_PATTERN;
521 } else {
522 mc_bist_cmd_reg = MC_REG(A_MC_P_BIST_CMD, idx);
523 mc_bist_cmd_addr_reg = MC_REG(A_MC_P_BIST_CMD_ADDR, idx);
524 mc_bist_cmd_len_reg = MC_REG(A_MC_P_BIST_CMD_LEN, idx);
525 mc_bist_status_rdata_reg = MC_REG(A_MC_P_BIST_STATUS_RDATA,
526 idx);
527 mc_bist_data_pattern_reg = MC_REG(A_MC_P_BIST_DATA_PATTERN,
528 idx);
529 }
530
531 if (t4_read_reg(adap, mc_bist_cmd_reg) & F_START_BIST)
532 return -EBUSY;
533 t4_write_reg(adap, mc_bist_cmd_addr_reg, addr & ~0x3fU);
534 t4_write_reg(adap, mc_bist_cmd_len_reg, 64);
535 t4_write_reg(adap, mc_bist_data_pattern_reg, 0xc);
536 t4_write_reg(adap, mc_bist_cmd_reg, V_BIST_OPCODE(1) |
537 F_START_BIST | V_BIST_CMD_GAP(1));
538 i = t4_wait_op_done(adap, mc_bist_cmd_reg, F_START_BIST, 0, 10, 1);
539 if (i)
540 return i;
541
542 #define MC_DATA(i) MC_BIST_STATUS_REG(mc_bist_status_rdata_reg, i)
543
544 for (i = 15; i >= 0; i--)
545 *data++ = ntohl(t4_read_reg(adap, MC_DATA(i)));
546 if (ecc)
547 *ecc = t4_read_reg64(adap, MC_DATA(16));
548 #undef MC_DATA
549 return 0;
550 }
551
552 /**
553 * t4_edc_read - read from EDC through backdoor accesses
554 * @adap: the adapter
555 * @idx: which EDC to access
556 * @addr: address of first byte requested
557 * @data: 64 bytes of data containing the requested address
558 * @ecc: where to store the corresponding 64-bit ECC word
559 *
560 * Read 64 bytes of data from EDC starting at a 64-byte-aligned address
561 * that covers the requested address @addr. If @parity is not %NULL it
562 * is assigned the 64-bit ECC word for the read data.
563 */
t4_edc_read(struct adapter * adap,int idx,u32 addr,__be32 * data,u64 * ecc)564 int t4_edc_read(struct adapter *adap, int idx, u32 addr, __be32 *data, u64 *ecc)
565 {
566 int i;
567 u32 edc_bist_cmd_reg, edc_bist_cmd_addr_reg, edc_bist_cmd_len_reg;
568 u32 edc_bist_cmd_data_pattern, edc_bist_status_rdata_reg;
569
570 if (is_t4(adap)) {
571 edc_bist_cmd_reg = EDC_REG(A_EDC_BIST_CMD, idx);
572 edc_bist_cmd_addr_reg = EDC_REG(A_EDC_BIST_CMD_ADDR, idx);
573 edc_bist_cmd_len_reg = EDC_REG(A_EDC_BIST_CMD_LEN, idx);
574 edc_bist_cmd_data_pattern = EDC_REG(A_EDC_BIST_DATA_PATTERN,
575 idx);
576 edc_bist_status_rdata_reg = EDC_REG(A_EDC_BIST_STATUS_RDATA,
577 idx);
578 } else {
579 /*
580 * These macro are missing in t4_regs.h file.
581 * Added temporarily for testing.
582 */
583 #define EDC_STRIDE_T5 (EDC_T51_BASE_ADDR - EDC_T50_BASE_ADDR)
584 #define EDC_REG_T5(reg, idx) (reg + EDC_STRIDE_T5 * idx)
585 edc_bist_cmd_reg = EDC_REG_T5(A_EDC_H_BIST_CMD, idx);
586 edc_bist_cmd_addr_reg = EDC_REG_T5(A_EDC_H_BIST_CMD_ADDR, idx);
587 edc_bist_cmd_len_reg = EDC_REG_T5(A_EDC_H_BIST_CMD_LEN, idx);
588 edc_bist_cmd_data_pattern = EDC_REG_T5(A_EDC_H_BIST_DATA_PATTERN,
589 idx);
590 edc_bist_status_rdata_reg = EDC_REG_T5(A_EDC_H_BIST_STATUS_RDATA,
591 idx);
592 #undef EDC_REG_T5
593 #undef EDC_STRIDE_T5
594 }
595
596 if (t4_read_reg(adap, edc_bist_cmd_reg) & F_START_BIST)
597 return -EBUSY;
598 t4_write_reg(adap, edc_bist_cmd_addr_reg, addr & ~0x3fU);
599 t4_write_reg(adap, edc_bist_cmd_len_reg, 64);
600 t4_write_reg(adap, edc_bist_cmd_data_pattern, 0xc);
601 t4_write_reg(adap, edc_bist_cmd_reg,
602 V_BIST_OPCODE(1) | V_BIST_CMD_GAP(1) | F_START_BIST);
603 i = t4_wait_op_done(adap, edc_bist_cmd_reg, F_START_BIST, 0, 10, 1);
604 if (i)
605 return i;
606
607 #define EDC_DATA(i) EDC_BIST_STATUS_REG(edc_bist_status_rdata_reg, i)
608
609 for (i = 15; i >= 0; i--)
610 *data++ = ntohl(t4_read_reg(adap, EDC_DATA(i)));
611 if (ecc)
612 *ecc = t4_read_reg64(adap, EDC_DATA(16));
613 #undef EDC_DATA
614 return 0;
615 }
616
617 /**
618 * t4_mem_read - read EDC 0, EDC 1 or MC into buffer
619 * @adap: the adapter
620 * @mtype: memory type: MEM_EDC0, MEM_EDC1 or MEM_MC
621 * @addr: address within indicated memory type
622 * @len: amount of memory to read
623 * @buf: host memory buffer
624 *
625 * Reads an [almost] arbitrary memory region in the firmware: the
626 * firmware memory address, length and host buffer must be aligned on
627 * 32-bit boudaries. The memory is returned as a raw byte sequence from
628 * the firmware's memory. If this memory contains data structures which
629 * contain multi-byte integers, it's the callers responsibility to
630 * perform appropriate byte order conversions.
631 */
t4_mem_read(struct adapter * adap,int mtype,u32 addr,u32 len,__be32 * buf)632 int t4_mem_read(struct adapter *adap, int mtype, u32 addr, u32 len,
633 __be32 *buf)
634 {
635 u32 pos, start, end, offset;
636 int ret;
637
638 /*
639 * Argument sanity checks ...
640 */
641 if ((addr & 0x3) || (len & 0x3))
642 return -EINVAL;
643
644 /*
645 * The underlaying EDC/MC read routines read 64 bytes at a time so we
646 * need to round down the start and round up the end. We'll start
647 * copying out of the first line at (addr - start) a word at a time.
648 */
649 start = addr & ~(64-1);
650 end = (addr + len + 64-1) & ~(64-1);
651 offset = (addr - start)/sizeof(__be32);
652
653 for (pos = start; pos < end; pos += 64, offset = 0) {
654 __be32 data[16];
655
656 /*
657 * Read the chip's memory block and bail if there's an error.
658 */
659 if ((mtype == MEM_MC) || (mtype == MEM_MC1))
660 ret = t4_mc_read(adap, mtype - MEM_MC, pos, data, NULL);
661 else
662 ret = t4_edc_read(adap, mtype, pos, data, NULL);
663 if (ret)
664 return ret;
665
666 /*
667 * Copy the data into the caller's memory buffer.
668 */
669 while (offset < 16 && len > 0) {
670 *buf++ = data[offset++];
671 len -= sizeof(__be32);
672 }
673 }
674
675 return 0;
676 }
677
678 /*
679 * Return the specified PCI-E Configuration Space register from our Physical
680 * Function. We try first via a Firmware LDST Command (if fw_attach != 0)
681 * since we prefer to let the firmware own all of these registers, but if that
682 * fails we go for it directly ourselves.
683 */
t4_read_pcie_cfg4(struct adapter * adap,int reg,int drv_fw_attach)684 u32 t4_read_pcie_cfg4(struct adapter *adap, int reg, int drv_fw_attach)
685 {
686
687 /*
688 * If fw_attach != 0, construct and send the Firmware LDST Command to
689 * retrieve the specified PCI-E Configuration Space register.
690 */
691 if (drv_fw_attach != 0) {
692 struct fw_ldst_cmd ldst_cmd;
693 int ret;
694
695 memset(&ldst_cmd, 0, sizeof(ldst_cmd));
696 ldst_cmd.op_to_addrspace =
697 cpu_to_be32(V_FW_CMD_OP(FW_LDST_CMD) |
698 F_FW_CMD_REQUEST |
699 F_FW_CMD_READ |
700 V_FW_LDST_CMD_ADDRSPACE(FW_LDST_ADDRSPC_FUNC_PCIE));
701 ldst_cmd.cycles_to_len16 = cpu_to_be32(FW_LEN16(ldst_cmd));
702 ldst_cmd.u.pcie.select_naccess = V_FW_LDST_CMD_NACCESS(1);
703 ldst_cmd.u.pcie.ctrl_to_fn =
704 (F_FW_LDST_CMD_LC | V_FW_LDST_CMD_FN(adap->pf));
705 ldst_cmd.u.pcie.r = reg;
706
707 /*
708 * If the LDST Command succeeds, return the result, otherwise
709 * fall through to reading it directly ourselves ...
710 */
711 ret = t4_wr_mbox(adap, adap->mbox, &ldst_cmd, sizeof(ldst_cmd),
712 &ldst_cmd);
713 if (ret == 0)
714 return be32_to_cpu(ldst_cmd.u.pcie.data[0]);
715
716 CH_WARN(adap, "Firmware failed to return "
717 "Configuration Space register %d, err = %d\n",
718 reg, -ret);
719 }
720
721 /*
722 * Read the desired Configuration Space register via the PCI-E
723 * Backdoor mechanism.
724 */
725 return t4_hw_pci_read_cfg4(adap, reg);
726 }
727
728 /**
729 * t4_get_regs_len - return the size of the chips register set
730 * @adapter: the adapter
731 *
732 * Returns the size of the chip's BAR0 register space.
733 */
t4_get_regs_len(struct adapter * adapter)734 unsigned int t4_get_regs_len(struct adapter *adapter)
735 {
736 unsigned int chip_version = chip_id(adapter);
737
738 switch (chip_version) {
739 case CHELSIO_T4:
740 if (adapter->flags & IS_VF)
741 return FW_T4VF_REGMAP_SIZE;
742 return T4_REGMAP_SIZE;
743
744 case CHELSIO_T5:
745 case CHELSIO_T6:
746 if (adapter->flags & IS_VF)
747 return FW_T4VF_REGMAP_SIZE;
748 return T5_REGMAP_SIZE;
749 }
750
751 CH_ERR(adapter,
752 "Unsupported chip version %d\n", chip_version);
753 return 0;
754 }
755
756 /**
757 * t4_get_regs - read chip registers into provided buffer
758 * @adap: the adapter
759 * @buf: register buffer
760 * @buf_size: size (in bytes) of register buffer
761 *
762 * If the provided register buffer isn't large enough for the chip's
763 * full register range, the register dump will be truncated to the
764 * register buffer's size.
765 */
t4_get_regs(struct adapter * adap,u8 * buf,size_t buf_size)766 void t4_get_regs(struct adapter *adap, u8 *buf, size_t buf_size)
767 {
768 static const unsigned int t4_reg_ranges[] = {
769 0x1008, 0x1108,
770 0x1180, 0x1184,
771 0x1190, 0x1194,
772 0x11a0, 0x11a4,
773 0x11b0, 0x11b4,
774 0x11fc, 0x123c,
775 0x1300, 0x173c,
776 0x1800, 0x18fc,
777 0x3000, 0x30d8,
778 0x30e0, 0x30e4,
779 0x30ec, 0x5910,
780 0x5920, 0x5924,
781 0x5960, 0x5960,
782 0x5968, 0x5968,
783 0x5970, 0x5970,
784 0x5978, 0x5978,
785 0x5980, 0x5980,
786 0x5988, 0x5988,
787 0x5990, 0x5990,
788 0x5998, 0x5998,
789 0x59a0, 0x59d4,
790 0x5a00, 0x5ae0,
791 0x5ae8, 0x5ae8,
792 0x5af0, 0x5af0,
793 0x5af8, 0x5af8,
794 0x6000, 0x6098,
795 0x6100, 0x6150,
796 0x6200, 0x6208,
797 0x6240, 0x6248,
798 0x6280, 0x62b0,
799 0x62c0, 0x6338,
800 0x6370, 0x638c,
801 0x6400, 0x643c,
802 0x6500, 0x6524,
803 0x6a00, 0x6a04,
804 0x6a14, 0x6a38,
805 0x6a60, 0x6a70,
806 0x6a78, 0x6a78,
807 0x6b00, 0x6b0c,
808 0x6b1c, 0x6b84,
809 0x6bf0, 0x6bf8,
810 0x6c00, 0x6c0c,
811 0x6c1c, 0x6c84,
812 0x6cf0, 0x6cf8,
813 0x6d00, 0x6d0c,
814 0x6d1c, 0x6d84,
815 0x6df0, 0x6df8,
816 0x6e00, 0x6e0c,
817 0x6e1c, 0x6e84,
818 0x6ef0, 0x6ef8,
819 0x6f00, 0x6f0c,
820 0x6f1c, 0x6f84,
821 0x6ff0, 0x6ff8,
822 0x7000, 0x700c,
823 0x701c, 0x7084,
824 0x70f0, 0x70f8,
825 0x7100, 0x710c,
826 0x711c, 0x7184,
827 0x71f0, 0x71f8,
828 0x7200, 0x720c,
829 0x721c, 0x7284,
830 0x72f0, 0x72f8,
831 0x7300, 0x730c,
832 0x731c, 0x7384,
833 0x73f0, 0x73f8,
834 0x7400, 0x7450,
835 0x7500, 0x7530,
836 0x7600, 0x760c,
837 0x7614, 0x761c,
838 0x7680, 0x76cc,
839 0x7700, 0x7798,
840 0x77c0, 0x77fc,
841 0x7900, 0x79fc,
842 0x7b00, 0x7b58,
843 0x7b60, 0x7b84,
844 0x7b8c, 0x7c38,
845 0x7d00, 0x7d38,
846 0x7d40, 0x7d80,
847 0x7d8c, 0x7ddc,
848 0x7de4, 0x7e04,
849 0x7e10, 0x7e1c,
850 0x7e24, 0x7e38,
851 0x7e40, 0x7e44,
852 0x7e4c, 0x7e78,
853 0x7e80, 0x7ea4,
854 0x7eac, 0x7edc,
855 0x7ee8, 0x7efc,
856 0x8dc0, 0x8e04,
857 0x8e10, 0x8e1c,
858 0x8e30, 0x8e78,
859 0x8ea0, 0x8eb8,
860 0x8ec0, 0x8f6c,
861 0x8fc0, 0x9008,
862 0x9010, 0x9058,
863 0x9060, 0x9060,
864 0x9068, 0x9074,
865 0x90fc, 0x90fc,
866 0x9400, 0x9408,
867 0x9410, 0x9458,
868 0x9600, 0x9600,
869 0x9608, 0x9638,
870 0x9640, 0x96bc,
871 0x9800, 0x9808,
872 0x9820, 0x983c,
873 0x9850, 0x9864,
874 0x9c00, 0x9c6c,
875 0x9c80, 0x9cec,
876 0x9d00, 0x9d6c,
877 0x9d80, 0x9dec,
878 0x9e00, 0x9e6c,
879 0x9e80, 0x9eec,
880 0x9f00, 0x9f6c,
881 0x9f80, 0x9fec,
882 0xd004, 0xd004,
883 0xd010, 0xd03c,
884 0xdfc0, 0xdfe0,
885 0xe000, 0xea7c,
886 0xf000, 0x11110,
887 0x11118, 0x11190,
888 0x19040, 0x1906c,
889 0x19078, 0x19080,
890 0x1908c, 0x190e4,
891 0x190f0, 0x190f8,
892 0x19100, 0x19110,
893 0x19120, 0x19124,
894 0x19150, 0x19194,
895 0x1919c, 0x191b0,
896 0x191d0, 0x191e8,
897 0x19238, 0x1924c,
898 0x193f8, 0x1943c,
899 0x1944c, 0x19474,
900 0x19490, 0x194e0,
901 0x194f0, 0x194f8,
902 0x19800, 0x19c08,
903 0x19c10, 0x19c90,
904 0x19ca0, 0x19ce4,
905 0x19cf0, 0x19d40,
906 0x19d50, 0x19d94,
907 0x19da0, 0x19de8,
908 0x19df0, 0x19e40,
909 0x19e50, 0x19e90,
910 0x19ea0, 0x19f4c,
911 0x1a000, 0x1a004,
912 0x1a010, 0x1a06c,
913 0x1a0b0, 0x1a0e4,
914 0x1a0ec, 0x1a0f4,
915 0x1a100, 0x1a108,
916 0x1a114, 0x1a120,
917 0x1a128, 0x1a130,
918 0x1a138, 0x1a138,
919 0x1a190, 0x1a1c4,
920 0x1a1fc, 0x1a1fc,
921 0x1e040, 0x1e04c,
922 0x1e284, 0x1e28c,
923 0x1e2c0, 0x1e2c0,
924 0x1e2e0, 0x1e2e0,
925 0x1e300, 0x1e384,
926 0x1e3c0, 0x1e3c8,
927 0x1e440, 0x1e44c,
928 0x1e684, 0x1e68c,
929 0x1e6c0, 0x1e6c0,
930 0x1e6e0, 0x1e6e0,
931 0x1e700, 0x1e784,
932 0x1e7c0, 0x1e7c8,
933 0x1e840, 0x1e84c,
934 0x1ea84, 0x1ea8c,
935 0x1eac0, 0x1eac0,
936 0x1eae0, 0x1eae0,
937 0x1eb00, 0x1eb84,
938 0x1ebc0, 0x1ebc8,
939 0x1ec40, 0x1ec4c,
940 0x1ee84, 0x1ee8c,
941 0x1eec0, 0x1eec0,
942 0x1eee0, 0x1eee0,
943 0x1ef00, 0x1ef84,
944 0x1efc0, 0x1efc8,
945 0x1f040, 0x1f04c,
946 0x1f284, 0x1f28c,
947 0x1f2c0, 0x1f2c0,
948 0x1f2e0, 0x1f2e0,
949 0x1f300, 0x1f384,
950 0x1f3c0, 0x1f3c8,
951 0x1f440, 0x1f44c,
952 0x1f684, 0x1f68c,
953 0x1f6c0, 0x1f6c0,
954 0x1f6e0, 0x1f6e0,
955 0x1f700, 0x1f784,
956 0x1f7c0, 0x1f7c8,
957 0x1f840, 0x1f84c,
958 0x1fa84, 0x1fa8c,
959 0x1fac0, 0x1fac0,
960 0x1fae0, 0x1fae0,
961 0x1fb00, 0x1fb84,
962 0x1fbc0, 0x1fbc8,
963 0x1fc40, 0x1fc4c,
964 0x1fe84, 0x1fe8c,
965 0x1fec0, 0x1fec0,
966 0x1fee0, 0x1fee0,
967 0x1ff00, 0x1ff84,
968 0x1ffc0, 0x1ffc8,
969 0x20000, 0x2002c,
970 0x20100, 0x2013c,
971 0x20190, 0x201a0,
972 0x201a8, 0x201b8,
973 0x201c4, 0x201c8,
974 0x20200, 0x20318,
975 0x20400, 0x204b4,
976 0x204c0, 0x20528,
977 0x20540, 0x20614,
978 0x21000, 0x21040,
979 0x2104c, 0x21060,
980 0x210c0, 0x210ec,
981 0x21200, 0x21268,
982 0x21270, 0x21284,
983 0x212fc, 0x21388,
984 0x21400, 0x21404,
985 0x21500, 0x21500,
986 0x21510, 0x21518,
987 0x2152c, 0x21530,
988 0x2153c, 0x2153c,
989 0x21550, 0x21554,
990 0x21600, 0x21600,
991 0x21608, 0x2161c,
992 0x21624, 0x21628,
993 0x21630, 0x21634,
994 0x2163c, 0x2163c,
995 0x21700, 0x2171c,
996 0x21780, 0x2178c,
997 0x21800, 0x21818,
998 0x21820, 0x21828,
999 0x21830, 0x21848,
1000 0x21850, 0x21854,
1001 0x21860, 0x21868,
1002 0x21870, 0x21870,
1003 0x21878, 0x21898,
1004 0x218a0, 0x218a8,
1005 0x218b0, 0x218c8,
1006 0x218d0, 0x218d4,
1007 0x218e0, 0x218e8,
1008 0x218f0, 0x218f0,
1009 0x218f8, 0x21a18,
1010 0x21a20, 0x21a28,
1011 0x21a30, 0x21a48,
1012 0x21a50, 0x21a54,
1013 0x21a60, 0x21a68,
1014 0x21a70, 0x21a70,
1015 0x21a78, 0x21a98,
1016 0x21aa0, 0x21aa8,
1017 0x21ab0, 0x21ac8,
1018 0x21ad0, 0x21ad4,
1019 0x21ae0, 0x21ae8,
1020 0x21af0, 0x21af0,
1021 0x21af8, 0x21c18,
1022 0x21c20, 0x21c20,
1023 0x21c28, 0x21c30,
1024 0x21c38, 0x21c38,
1025 0x21c80, 0x21c98,
1026 0x21ca0, 0x21ca8,
1027 0x21cb0, 0x21cc8,
1028 0x21cd0, 0x21cd4,
1029 0x21ce0, 0x21ce8,
1030 0x21cf0, 0x21cf0,
1031 0x21cf8, 0x21d7c,
1032 0x21e00, 0x21e04,
1033 0x22000, 0x2202c,
1034 0x22100, 0x2213c,
1035 0x22190, 0x221a0,
1036 0x221a8, 0x221b8,
1037 0x221c4, 0x221c8,
1038 0x22200, 0x22318,
1039 0x22400, 0x224b4,
1040 0x224c0, 0x22528,
1041 0x22540, 0x22614,
1042 0x23000, 0x23040,
1043 0x2304c, 0x23060,
1044 0x230c0, 0x230ec,
1045 0x23200, 0x23268,
1046 0x23270, 0x23284,
1047 0x232fc, 0x23388,
1048 0x23400, 0x23404,
1049 0x23500, 0x23500,
1050 0x23510, 0x23518,
1051 0x2352c, 0x23530,
1052 0x2353c, 0x2353c,
1053 0x23550, 0x23554,
1054 0x23600, 0x23600,
1055 0x23608, 0x2361c,
1056 0x23624, 0x23628,
1057 0x23630, 0x23634,
1058 0x2363c, 0x2363c,
1059 0x23700, 0x2371c,
1060 0x23780, 0x2378c,
1061 0x23800, 0x23818,
1062 0x23820, 0x23828,
1063 0x23830, 0x23848,
1064 0x23850, 0x23854,
1065 0x23860, 0x23868,
1066 0x23870, 0x23870,
1067 0x23878, 0x23898,
1068 0x238a0, 0x238a8,
1069 0x238b0, 0x238c8,
1070 0x238d0, 0x238d4,
1071 0x238e0, 0x238e8,
1072 0x238f0, 0x238f0,
1073 0x238f8, 0x23a18,
1074 0x23a20, 0x23a28,
1075 0x23a30, 0x23a48,
1076 0x23a50, 0x23a54,
1077 0x23a60, 0x23a68,
1078 0x23a70, 0x23a70,
1079 0x23a78, 0x23a98,
1080 0x23aa0, 0x23aa8,
1081 0x23ab0, 0x23ac8,
1082 0x23ad0, 0x23ad4,
1083 0x23ae0, 0x23ae8,
1084 0x23af0, 0x23af0,
1085 0x23af8, 0x23c18,
1086 0x23c20, 0x23c20,
1087 0x23c28, 0x23c30,
1088 0x23c38, 0x23c38,
1089 0x23c80, 0x23c98,
1090 0x23ca0, 0x23ca8,
1091 0x23cb0, 0x23cc8,
1092 0x23cd0, 0x23cd4,
1093 0x23ce0, 0x23ce8,
1094 0x23cf0, 0x23cf0,
1095 0x23cf8, 0x23d7c,
1096 0x23e00, 0x23e04,
1097 0x24000, 0x2402c,
1098 0x24100, 0x2413c,
1099 0x24190, 0x241a0,
1100 0x241a8, 0x241b8,
1101 0x241c4, 0x241c8,
1102 0x24200, 0x24318,
1103 0x24400, 0x244b4,
1104 0x244c0, 0x24528,
1105 0x24540, 0x24614,
1106 0x25000, 0x25040,
1107 0x2504c, 0x25060,
1108 0x250c0, 0x250ec,
1109 0x25200, 0x25268,
1110 0x25270, 0x25284,
1111 0x252fc, 0x25388,
1112 0x25400, 0x25404,
1113 0x25500, 0x25500,
1114 0x25510, 0x25518,
1115 0x2552c, 0x25530,
1116 0x2553c, 0x2553c,
1117 0x25550, 0x25554,
1118 0x25600, 0x25600,
1119 0x25608, 0x2561c,
1120 0x25624, 0x25628,
1121 0x25630, 0x25634,
1122 0x2563c, 0x2563c,
1123 0x25700, 0x2571c,
1124 0x25780, 0x2578c,
1125 0x25800, 0x25818,
1126 0x25820, 0x25828,
1127 0x25830, 0x25848,
1128 0x25850, 0x25854,
1129 0x25860, 0x25868,
1130 0x25870, 0x25870,
1131 0x25878, 0x25898,
1132 0x258a0, 0x258a8,
1133 0x258b0, 0x258c8,
1134 0x258d0, 0x258d4,
1135 0x258e0, 0x258e8,
1136 0x258f0, 0x258f0,
1137 0x258f8, 0x25a18,
1138 0x25a20, 0x25a28,
1139 0x25a30, 0x25a48,
1140 0x25a50, 0x25a54,
1141 0x25a60, 0x25a68,
1142 0x25a70, 0x25a70,
1143 0x25a78, 0x25a98,
1144 0x25aa0, 0x25aa8,
1145 0x25ab0, 0x25ac8,
1146 0x25ad0, 0x25ad4,
1147 0x25ae0, 0x25ae8,
1148 0x25af0, 0x25af0,
1149 0x25af8, 0x25c18,
1150 0x25c20, 0x25c20,
1151 0x25c28, 0x25c30,
1152 0x25c38, 0x25c38,
1153 0x25c80, 0x25c98,
1154 0x25ca0, 0x25ca8,
1155 0x25cb0, 0x25cc8,
1156 0x25cd0, 0x25cd4,
1157 0x25ce0, 0x25ce8,
1158 0x25cf0, 0x25cf0,
1159 0x25cf8, 0x25d7c,
1160 0x25e00, 0x25e04,
1161 0x26000, 0x2602c,
1162 0x26100, 0x2613c,
1163 0x26190, 0x261a0,
1164 0x261a8, 0x261b8,
1165 0x261c4, 0x261c8,
1166 0x26200, 0x26318,
1167 0x26400, 0x264b4,
1168 0x264c0, 0x26528,
1169 0x26540, 0x26614,
1170 0x27000, 0x27040,
1171 0x2704c, 0x27060,
1172 0x270c0, 0x270ec,
1173 0x27200, 0x27268,
1174 0x27270, 0x27284,
1175 0x272fc, 0x27388,
1176 0x27400, 0x27404,
1177 0x27500, 0x27500,
1178 0x27510, 0x27518,
1179 0x2752c, 0x27530,
1180 0x2753c, 0x2753c,
1181 0x27550, 0x27554,
1182 0x27600, 0x27600,
1183 0x27608, 0x2761c,
1184 0x27624, 0x27628,
1185 0x27630, 0x27634,
1186 0x2763c, 0x2763c,
1187 0x27700, 0x2771c,
1188 0x27780, 0x2778c,
1189 0x27800, 0x27818,
1190 0x27820, 0x27828,
1191 0x27830, 0x27848,
1192 0x27850, 0x27854,
1193 0x27860, 0x27868,
1194 0x27870, 0x27870,
1195 0x27878, 0x27898,
1196 0x278a0, 0x278a8,
1197 0x278b0, 0x278c8,
1198 0x278d0, 0x278d4,
1199 0x278e0, 0x278e8,
1200 0x278f0, 0x278f0,
1201 0x278f8, 0x27a18,
1202 0x27a20, 0x27a28,
1203 0x27a30, 0x27a48,
1204 0x27a50, 0x27a54,
1205 0x27a60, 0x27a68,
1206 0x27a70, 0x27a70,
1207 0x27a78, 0x27a98,
1208 0x27aa0, 0x27aa8,
1209 0x27ab0, 0x27ac8,
1210 0x27ad0, 0x27ad4,
1211 0x27ae0, 0x27ae8,
1212 0x27af0, 0x27af0,
1213 0x27af8, 0x27c18,
1214 0x27c20, 0x27c20,
1215 0x27c28, 0x27c30,
1216 0x27c38, 0x27c38,
1217 0x27c80, 0x27c98,
1218 0x27ca0, 0x27ca8,
1219 0x27cb0, 0x27cc8,
1220 0x27cd0, 0x27cd4,
1221 0x27ce0, 0x27ce8,
1222 0x27cf0, 0x27cf0,
1223 0x27cf8, 0x27d7c,
1224 0x27e00, 0x27e04,
1225 };
1226
1227 static const unsigned int t4vf_reg_ranges[] = {
1228 VF_SGE_REG(A_SGE_VF_KDOORBELL), VF_SGE_REG(A_SGE_VF_GTS),
1229 VF_MPS_REG(A_MPS_VF_CTL),
1230 VF_MPS_REG(A_MPS_VF_STAT_RX_VF_ERR_FRAMES_H),
1231 VF_PL_REG(A_PL_VF_WHOAMI), VF_PL_REG(A_PL_VF_WHOAMI),
1232 VF_CIM_REG(A_CIM_VF_EXT_MAILBOX_CTRL),
1233 VF_CIM_REG(A_CIM_VF_EXT_MAILBOX_STATUS),
1234 FW_T4VF_MBDATA_BASE_ADDR,
1235 FW_T4VF_MBDATA_BASE_ADDR +
1236 ((NUM_CIM_PF_MAILBOX_DATA_INSTANCES - 1) * 4),
1237 };
1238
1239 static const unsigned int t5_reg_ranges[] = {
1240 0x1008, 0x10c0,
1241 0x10cc, 0x10f8,
1242 0x1100, 0x1100,
1243 0x110c, 0x1148,
1244 0x1180, 0x1184,
1245 0x1190, 0x1194,
1246 0x11a0, 0x11a4,
1247 0x11b0, 0x11b4,
1248 0x11fc, 0x123c,
1249 0x1280, 0x173c,
1250 0x1800, 0x18fc,
1251 0x3000, 0x3028,
1252 0x3060, 0x30b0,
1253 0x30b8, 0x30d8,
1254 0x30e0, 0x30fc,
1255 0x3140, 0x357c,
1256 0x35a8, 0x35cc,
1257 0x35ec, 0x35ec,
1258 0x3600, 0x5624,
1259 0x56cc, 0x56ec,
1260 0x56f4, 0x5720,
1261 0x5728, 0x575c,
1262 0x580c, 0x5814,
1263 0x5890, 0x589c,
1264 0x58a4, 0x58ac,
1265 0x58b8, 0x58bc,
1266 0x5940, 0x59c8,
1267 0x59d0, 0x59dc,
1268 0x59fc, 0x5a18,
1269 0x5a60, 0x5a70,
1270 0x5a80, 0x5a9c,
1271 0x5b94, 0x5bfc,
1272 0x6000, 0x6020,
1273 0x6028, 0x6040,
1274 0x6058, 0x609c,
1275 0x60a8, 0x614c,
1276 0x7700, 0x7798,
1277 0x77c0, 0x78fc,
1278 0x7b00, 0x7b58,
1279 0x7b60, 0x7b84,
1280 0x7b8c, 0x7c54,
1281 0x7d00, 0x7d38,
1282 0x7d40, 0x7d80,
1283 0x7d8c, 0x7ddc,
1284 0x7de4, 0x7e04,
1285 0x7e10, 0x7e1c,
1286 0x7e24, 0x7e38,
1287 0x7e40, 0x7e44,
1288 0x7e4c, 0x7e78,
1289 0x7e80, 0x7edc,
1290 0x7ee8, 0x7efc,
1291 0x8dc0, 0x8de0,
1292 0x8df8, 0x8e04,
1293 0x8e10, 0x8e84,
1294 0x8ea0, 0x8f84,
1295 0x8fc0, 0x9058,
1296 0x9060, 0x9060,
1297 0x9068, 0x90f8,
1298 0x9400, 0x9408,
1299 0x9410, 0x9470,
1300 0x9600, 0x9600,
1301 0x9608, 0x9638,
1302 0x9640, 0x96f4,
1303 0x9800, 0x9808,
1304 0x9820, 0x983c,
1305 0x9850, 0x9864,
1306 0x9c00, 0x9c6c,
1307 0x9c80, 0x9cec,
1308 0x9d00, 0x9d6c,
1309 0x9d80, 0x9dec,
1310 0x9e00, 0x9e6c,
1311 0x9e80, 0x9eec,
1312 0x9f00, 0x9f6c,
1313 0x9f80, 0xa020,
1314 0xd004, 0xd004,
1315 0xd010, 0xd03c,
1316 0xdfc0, 0xdfe0,
1317 0xe000, 0x1106c,
1318 0x11074, 0x11088,
1319 0x1109c, 0x1117c,
1320 0x11190, 0x11204,
1321 0x19040, 0x1906c,
1322 0x19078, 0x19080,
1323 0x1908c, 0x190e8,
1324 0x190f0, 0x190f8,
1325 0x19100, 0x19110,
1326 0x19120, 0x19124,
1327 0x19150, 0x19194,
1328 0x1919c, 0x191b0,
1329 0x191d0, 0x191e8,
1330 0x19238, 0x19290,
1331 0x193f8, 0x19428,
1332 0x19430, 0x19444,
1333 0x1944c, 0x1946c,
1334 0x19474, 0x19474,
1335 0x19490, 0x194cc,
1336 0x194f0, 0x194f8,
1337 0x19c00, 0x19c08,
1338 0x19c10, 0x19c60,
1339 0x19c94, 0x19ce4,
1340 0x19cf0, 0x19d40,
1341 0x19d50, 0x19d94,
1342 0x19da0, 0x19de8,
1343 0x19df0, 0x19e10,
1344 0x19e50, 0x19e90,
1345 0x19ea0, 0x19f24,
1346 0x19f34, 0x19f34,
1347 0x19f40, 0x19f50,
1348 0x19f90, 0x19fb4,
1349 0x19fc4, 0x19fe4,
1350 0x1a000, 0x1a004,
1351 0x1a010, 0x1a06c,
1352 0x1a0b0, 0x1a0e4,
1353 0x1a0ec, 0x1a0f8,
1354 0x1a100, 0x1a108,
1355 0x1a114, 0x1a120,
1356 0x1a128, 0x1a130,
1357 0x1a138, 0x1a138,
1358 0x1a190, 0x1a1c4,
1359 0x1a1fc, 0x1a1fc,
1360 0x1e008, 0x1e00c,
1361 0x1e040, 0x1e044,
1362 0x1e04c, 0x1e04c,
1363 0x1e284, 0x1e290,
1364 0x1e2c0, 0x1e2c0,
1365 0x1e2e0, 0x1e2e0,
1366 0x1e300, 0x1e384,
1367 0x1e3c0, 0x1e3c8,
1368 0x1e408, 0x1e40c,
1369 0x1e440, 0x1e444,
1370 0x1e44c, 0x1e44c,
1371 0x1e684, 0x1e690,
1372 0x1e6c0, 0x1e6c0,
1373 0x1e6e0, 0x1e6e0,
1374 0x1e700, 0x1e784,
1375 0x1e7c0, 0x1e7c8,
1376 0x1e808, 0x1e80c,
1377 0x1e840, 0x1e844,
1378 0x1e84c, 0x1e84c,
1379 0x1ea84, 0x1ea90,
1380 0x1eac0, 0x1eac0,
1381 0x1eae0, 0x1eae0,
1382 0x1eb00, 0x1eb84,
1383 0x1ebc0, 0x1ebc8,
1384 0x1ec08, 0x1ec0c,
1385 0x1ec40, 0x1ec44,
1386 0x1ec4c, 0x1ec4c,
1387 0x1ee84, 0x1ee90,
1388 0x1eec0, 0x1eec0,
1389 0x1eee0, 0x1eee0,
1390 0x1ef00, 0x1ef84,
1391 0x1efc0, 0x1efc8,
1392 0x1f008, 0x1f00c,
1393 0x1f040, 0x1f044,
1394 0x1f04c, 0x1f04c,
1395 0x1f284, 0x1f290,
1396 0x1f2c0, 0x1f2c0,
1397 0x1f2e0, 0x1f2e0,
1398 0x1f300, 0x1f384,
1399 0x1f3c0, 0x1f3c8,
1400 0x1f408, 0x1f40c,
1401 0x1f440, 0x1f444,
1402 0x1f44c, 0x1f44c,
1403 0x1f684, 0x1f690,
1404 0x1f6c0, 0x1f6c0,
1405 0x1f6e0, 0x1f6e0,
1406 0x1f700, 0x1f784,
1407 0x1f7c0, 0x1f7c8,
1408 0x1f808, 0x1f80c,
1409 0x1f840, 0x1f844,
1410 0x1f84c, 0x1f84c,
1411 0x1fa84, 0x1fa90,
1412 0x1fac0, 0x1fac0,
1413 0x1fae0, 0x1fae0,
1414 0x1fb00, 0x1fb84,
1415 0x1fbc0, 0x1fbc8,
1416 0x1fc08, 0x1fc0c,
1417 0x1fc40, 0x1fc44,
1418 0x1fc4c, 0x1fc4c,
1419 0x1fe84, 0x1fe90,
1420 0x1fec0, 0x1fec0,
1421 0x1fee0, 0x1fee0,
1422 0x1ff00, 0x1ff84,
1423 0x1ffc0, 0x1ffc8,
1424 0x30000, 0x30030,
1425 0x30100, 0x30144,
1426 0x30190, 0x301a0,
1427 0x301a8, 0x301b8,
1428 0x301c4, 0x301c8,
1429 0x301d0, 0x301d0,
1430 0x30200, 0x30318,
1431 0x30400, 0x304b4,
1432 0x304c0, 0x3052c,
1433 0x30540, 0x3061c,
1434 0x30800, 0x30828,
1435 0x30834, 0x30834,
1436 0x308c0, 0x30908,
1437 0x30910, 0x309ac,
1438 0x30a00, 0x30a14,
1439 0x30a1c, 0x30a2c,
1440 0x30a44, 0x30a50,
1441 0x30a74, 0x30a74,
1442 0x30a7c, 0x30afc,
1443 0x30b08, 0x30c24,
1444 0x30d00, 0x30d00,
1445 0x30d08, 0x30d14,
1446 0x30d1c, 0x30d20,
1447 0x30d3c, 0x30d3c,
1448 0x30d48, 0x30d50,
1449 0x31200, 0x3120c,
1450 0x31220, 0x31220,
1451 0x31240, 0x31240,
1452 0x31600, 0x3160c,
1453 0x31a00, 0x31a1c,
1454 0x31e00, 0x31e20,
1455 0x31e38, 0x31e3c,
1456 0x31e80, 0x31e80,
1457 0x31e88, 0x31ea8,
1458 0x31eb0, 0x31eb4,
1459 0x31ec8, 0x31ed4,
1460 0x31fb8, 0x32004,
1461 0x32200, 0x32200,
1462 0x32208, 0x32240,
1463 0x32248, 0x32280,
1464 0x32288, 0x322c0,
1465 0x322c8, 0x322fc,
1466 0x32600, 0x32630,
1467 0x32a00, 0x32abc,
1468 0x32b00, 0x32b10,
1469 0x32b20, 0x32b30,
1470 0x32b40, 0x32b50,
1471 0x32b60, 0x32b70,
1472 0x33000, 0x33028,
1473 0x33030, 0x33048,
1474 0x33060, 0x33068,
1475 0x33070, 0x3309c,
1476 0x330f0, 0x33128,
1477 0x33130, 0x33148,
1478 0x33160, 0x33168,
1479 0x33170, 0x3319c,
1480 0x331f0, 0x33238,
1481 0x33240, 0x33240,
1482 0x33248, 0x33250,
1483 0x3325c, 0x33264,
1484 0x33270, 0x332b8,
1485 0x332c0, 0x332e4,
1486 0x332f8, 0x33338,
1487 0x33340, 0x33340,
1488 0x33348, 0x33350,
1489 0x3335c, 0x33364,
1490 0x33370, 0x333b8,
1491 0x333c0, 0x333e4,
1492 0x333f8, 0x33428,
1493 0x33430, 0x33448,
1494 0x33460, 0x33468,
1495 0x33470, 0x3349c,
1496 0x334f0, 0x33528,
1497 0x33530, 0x33548,
1498 0x33560, 0x33568,
1499 0x33570, 0x3359c,
1500 0x335f0, 0x33638,
1501 0x33640, 0x33640,
1502 0x33648, 0x33650,
1503 0x3365c, 0x33664,
1504 0x33670, 0x336b8,
1505 0x336c0, 0x336e4,
1506 0x336f8, 0x33738,
1507 0x33740, 0x33740,
1508 0x33748, 0x33750,
1509 0x3375c, 0x33764,
1510 0x33770, 0x337b8,
1511 0x337c0, 0x337e4,
1512 0x337f8, 0x337fc,
1513 0x33814, 0x33814,
1514 0x3382c, 0x3382c,
1515 0x33880, 0x3388c,
1516 0x338e8, 0x338ec,
1517 0x33900, 0x33928,
1518 0x33930, 0x33948,
1519 0x33960, 0x33968,
1520 0x33970, 0x3399c,
1521 0x339f0, 0x33a38,
1522 0x33a40, 0x33a40,
1523 0x33a48, 0x33a50,
1524 0x33a5c, 0x33a64,
1525 0x33a70, 0x33ab8,
1526 0x33ac0, 0x33ae4,
1527 0x33af8, 0x33b10,
1528 0x33b28, 0x33b28,
1529 0x33b3c, 0x33b50,
1530 0x33bf0, 0x33c10,
1531 0x33c28, 0x33c28,
1532 0x33c3c, 0x33c50,
1533 0x33cf0, 0x33cfc,
1534 0x34000, 0x34030,
1535 0x34100, 0x34144,
1536 0x34190, 0x341a0,
1537 0x341a8, 0x341b8,
1538 0x341c4, 0x341c8,
1539 0x341d0, 0x341d0,
1540 0x34200, 0x34318,
1541 0x34400, 0x344b4,
1542 0x344c0, 0x3452c,
1543 0x34540, 0x3461c,
1544 0x34800, 0x34828,
1545 0x34834, 0x34834,
1546 0x348c0, 0x34908,
1547 0x34910, 0x349ac,
1548 0x34a00, 0x34a14,
1549 0x34a1c, 0x34a2c,
1550 0x34a44, 0x34a50,
1551 0x34a74, 0x34a74,
1552 0x34a7c, 0x34afc,
1553 0x34b08, 0x34c24,
1554 0x34d00, 0x34d00,
1555 0x34d08, 0x34d14,
1556 0x34d1c, 0x34d20,
1557 0x34d3c, 0x34d3c,
1558 0x34d48, 0x34d50,
1559 0x35200, 0x3520c,
1560 0x35220, 0x35220,
1561 0x35240, 0x35240,
1562 0x35600, 0x3560c,
1563 0x35a00, 0x35a1c,
1564 0x35e00, 0x35e20,
1565 0x35e38, 0x35e3c,
1566 0x35e80, 0x35e80,
1567 0x35e88, 0x35ea8,
1568 0x35eb0, 0x35eb4,
1569 0x35ec8, 0x35ed4,
1570 0x35fb8, 0x36004,
1571 0x36200, 0x36200,
1572 0x36208, 0x36240,
1573 0x36248, 0x36280,
1574 0x36288, 0x362c0,
1575 0x362c8, 0x362fc,
1576 0x36600, 0x36630,
1577 0x36a00, 0x36abc,
1578 0x36b00, 0x36b10,
1579 0x36b20, 0x36b30,
1580 0x36b40, 0x36b50,
1581 0x36b60, 0x36b70,
1582 0x37000, 0x37028,
1583 0x37030, 0x37048,
1584 0x37060, 0x37068,
1585 0x37070, 0x3709c,
1586 0x370f0, 0x37128,
1587 0x37130, 0x37148,
1588 0x37160, 0x37168,
1589 0x37170, 0x3719c,
1590 0x371f0, 0x37238,
1591 0x37240, 0x37240,
1592 0x37248, 0x37250,
1593 0x3725c, 0x37264,
1594 0x37270, 0x372b8,
1595 0x372c0, 0x372e4,
1596 0x372f8, 0x37338,
1597 0x37340, 0x37340,
1598 0x37348, 0x37350,
1599 0x3735c, 0x37364,
1600 0x37370, 0x373b8,
1601 0x373c0, 0x373e4,
1602 0x373f8, 0x37428,
1603 0x37430, 0x37448,
1604 0x37460, 0x37468,
1605 0x37470, 0x3749c,
1606 0x374f0, 0x37528,
1607 0x37530, 0x37548,
1608 0x37560, 0x37568,
1609 0x37570, 0x3759c,
1610 0x375f0, 0x37638,
1611 0x37640, 0x37640,
1612 0x37648, 0x37650,
1613 0x3765c, 0x37664,
1614 0x37670, 0x376b8,
1615 0x376c0, 0x376e4,
1616 0x376f8, 0x37738,
1617 0x37740, 0x37740,
1618 0x37748, 0x37750,
1619 0x3775c, 0x37764,
1620 0x37770, 0x377b8,
1621 0x377c0, 0x377e4,
1622 0x377f8, 0x377fc,
1623 0x37814, 0x37814,
1624 0x3782c, 0x3782c,
1625 0x37880, 0x3788c,
1626 0x378e8, 0x378ec,
1627 0x37900, 0x37928,
1628 0x37930, 0x37948,
1629 0x37960, 0x37968,
1630 0x37970, 0x3799c,
1631 0x379f0, 0x37a38,
1632 0x37a40, 0x37a40,
1633 0x37a48, 0x37a50,
1634 0x37a5c, 0x37a64,
1635 0x37a70, 0x37ab8,
1636 0x37ac0, 0x37ae4,
1637 0x37af8, 0x37b10,
1638 0x37b28, 0x37b28,
1639 0x37b3c, 0x37b50,
1640 0x37bf0, 0x37c10,
1641 0x37c28, 0x37c28,
1642 0x37c3c, 0x37c50,
1643 0x37cf0, 0x37cfc,
1644 0x38000, 0x38030,
1645 0x38100, 0x38144,
1646 0x38190, 0x381a0,
1647 0x381a8, 0x381b8,
1648 0x381c4, 0x381c8,
1649 0x381d0, 0x381d0,
1650 0x38200, 0x38318,
1651 0x38400, 0x384b4,
1652 0x384c0, 0x3852c,
1653 0x38540, 0x3861c,
1654 0x38800, 0x38828,
1655 0x38834, 0x38834,
1656 0x388c0, 0x38908,
1657 0x38910, 0x389ac,
1658 0x38a00, 0x38a14,
1659 0x38a1c, 0x38a2c,
1660 0x38a44, 0x38a50,
1661 0x38a74, 0x38a74,
1662 0x38a7c, 0x38afc,
1663 0x38b08, 0x38c24,
1664 0x38d00, 0x38d00,
1665 0x38d08, 0x38d14,
1666 0x38d1c, 0x38d20,
1667 0x38d3c, 0x38d3c,
1668 0x38d48, 0x38d50,
1669 0x39200, 0x3920c,
1670 0x39220, 0x39220,
1671 0x39240, 0x39240,
1672 0x39600, 0x3960c,
1673 0x39a00, 0x39a1c,
1674 0x39e00, 0x39e20,
1675 0x39e38, 0x39e3c,
1676 0x39e80, 0x39e80,
1677 0x39e88, 0x39ea8,
1678 0x39eb0, 0x39eb4,
1679 0x39ec8, 0x39ed4,
1680 0x39fb8, 0x3a004,
1681 0x3a200, 0x3a200,
1682 0x3a208, 0x3a240,
1683 0x3a248, 0x3a280,
1684 0x3a288, 0x3a2c0,
1685 0x3a2c8, 0x3a2fc,
1686 0x3a600, 0x3a630,
1687 0x3aa00, 0x3aabc,
1688 0x3ab00, 0x3ab10,
1689 0x3ab20, 0x3ab30,
1690 0x3ab40, 0x3ab50,
1691 0x3ab60, 0x3ab70,
1692 0x3b000, 0x3b028,
1693 0x3b030, 0x3b048,
1694 0x3b060, 0x3b068,
1695 0x3b070, 0x3b09c,
1696 0x3b0f0, 0x3b128,
1697 0x3b130, 0x3b148,
1698 0x3b160, 0x3b168,
1699 0x3b170, 0x3b19c,
1700 0x3b1f0, 0x3b238,
1701 0x3b240, 0x3b240,
1702 0x3b248, 0x3b250,
1703 0x3b25c, 0x3b264,
1704 0x3b270, 0x3b2b8,
1705 0x3b2c0, 0x3b2e4,
1706 0x3b2f8, 0x3b338,
1707 0x3b340, 0x3b340,
1708 0x3b348, 0x3b350,
1709 0x3b35c, 0x3b364,
1710 0x3b370, 0x3b3b8,
1711 0x3b3c0, 0x3b3e4,
1712 0x3b3f8, 0x3b428,
1713 0x3b430, 0x3b448,
1714 0x3b460, 0x3b468,
1715 0x3b470, 0x3b49c,
1716 0x3b4f0, 0x3b528,
1717 0x3b530, 0x3b548,
1718 0x3b560, 0x3b568,
1719 0x3b570, 0x3b59c,
1720 0x3b5f0, 0x3b638,
1721 0x3b640, 0x3b640,
1722 0x3b648, 0x3b650,
1723 0x3b65c, 0x3b664,
1724 0x3b670, 0x3b6b8,
1725 0x3b6c0, 0x3b6e4,
1726 0x3b6f8, 0x3b738,
1727 0x3b740, 0x3b740,
1728 0x3b748, 0x3b750,
1729 0x3b75c, 0x3b764,
1730 0x3b770, 0x3b7b8,
1731 0x3b7c0, 0x3b7e4,
1732 0x3b7f8, 0x3b7fc,
1733 0x3b814, 0x3b814,
1734 0x3b82c, 0x3b82c,
1735 0x3b880, 0x3b88c,
1736 0x3b8e8, 0x3b8ec,
1737 0x3b900, 0x3b928,
1738 0x3b930, 0x3b948,
1739 0x3b960, 0x3b968,
1740 0x3b970, 0x3b99c,
1741 0x3b9f0, 0x3ba38,
1742 0x3ba40, 0x3ba40,
1743 0x3ba48, 0x3ba50,
1744 0x3ba5c, 0x3ba64,
1745 0x3ba70, 0x3bab8,
1746 0x3bac0, 0x3bae4,
1747 0x3baf8, 0x3bb10,
1748 0x3bb28, 0x3bb28,
1749 0x3bb3c, 0x3bb50,
1750 0x3bbf0, 0x3bc10,
1751 0x3bc28, 0x3bc28,
1752 0x3bc3c, 0x3bc50,
1753 0x3bcf0, 0x3bcfc,
1754 0x3c000, 0x3c030,
1755 0x3c100, 0x3c144,
1756 0x3c190, 0x3c1a0,
1757 0x3c1a8, 0x3c1b8,
1758 0x3c1c4, 0x3c1c8,
1759 0x3c1d0, 0x3c1d0,
1760 0x3c200, 0x3c318,
1761 0x3c400, 0x3c4b4,
1762 0x3c4c0, 0x3c52c,
1763 0x3c540, 0x3c61c,
1764 0x3c800, 0x3c828,
1765 0x3c834, 0x3c834,
1766 0x3c8c0, 0x3c908,
1767 0x3c910, 0x3c9ac,
1768 0x3ca00, 0x3ca14,
1769 0x3ca1c, 0x3ca2c,
1770 0x3ca44, 0x3ca50,
1771 0x3ca74, 0x3ca74,
1772 0x3ca7c, 0x3cafc,
1773 0x3cb08, 0x3cc24,
1774 0x3cd00, 0x3cd00,
1775 0x3cd08, 0x3cd14,
1776 0x3cd1c, 0x3cd20,
1777 0x3cd3c, 0x3cd3c,
1778 0x3cd48, 0x3cd50,
1779 0x3d200, 0x3d20c,
1780 0x3d220, 0x3d220,
1781 0x3d240, 0x3d240,
1782 0x3d600, 0x3d60c,
1783 0x3da00, 0x3da1c,
1784 0x3de00, 0x3de20,
1785 0x3de38, 0x3de3c,
1786 0x3de80, 0x3de80,
1787 0x3de88, 0x3dea8,
1788 0x3deb0, 0x3deb4,
1789 0x3dec8, 0x3ded4,
1790 0x3dfb8, 0x3e004,
1791 0x3e200, 0x3e200,
1792 0x3e208, 0x3e240,
1793 0x3e248, 0x3e280,
1794 0x3e288, 0x3e2c0,
1795 0x3e2c8, 0x3e2fc,
1796 0x3e600, 0x3e630,
1797 0x3ea00, 0x3eabc,
1798 0x3eb00, 0x3eb10,
1799 0x3eb20, 0x3eb30,
1800 0x3eb40, 0x3eb50,
1801 0x3eb60, 0x3eb70,
1802 0x3f000, 0x3f028,
1803 0x3f030, 0x3f048,
1804 0x3f060, 0x3f068,
1805 0x3f070, 0x3f09c,
1806 0x3f0f0, 0x3f128,
1807 0x3f130, 0x3f148,
1808 0x3f160, 0x3f168,
1809 0x3f170, 0x3f19c,
1810 0x3f1f0, 0x3f238,
1811 0x3f240, 0x3f240,
1812 0x3f248, 0x3f250,
1813 0x3f25c, 0x3f264,
1814 0x3f270, 0x3f2b8,
1815 0x3f2c0, 0x3f2e4,
1816 0x3f2f8, 0x3f338,
1817 0x3f340, 0x3f340,
1818 0x3f348, 0x3f350,
1819 0x3f35c, 0x3f364,
1820 0x3f370, 0x3f3b8,
1821 0x3f3c0, 0x3f3e4,
1822 0x3f3f8, 0x3f428,
1823 0x3f430, 0x3f448,
1824 0x3f460, 0x3f468,
1825 0x3f470, 0x3f49c,
1826 0x3f4f0, 0x3f528,
1827 0x3f530, 0x3f548,
1828 0x3f560, 0x3f568,
1829 0x3f570, 0x3f59c,
1830 0x3f5f0, 0x3f638,
1831 0x3f640, 0x3f640,
1832 0x3f648, 0x3f650,
1833 0x3f65c, 0x3f664,
1834 0x3f670, 0x3f6b8,
1835 0x3f6c0, 0x3f6e4,
1836 0x3f6f8, 0x3f738,
1837 0x3f740, 0x3f740,
1838 0x3f748, 0x3f750,
1839 0x3f75c, 0x3f764,
1840 0x3f770, 0x3f7b8,
1841 0x3f7c0, 0x3f7e4,
1842 0x3f7f8, 0x3f7fc,
1843 0x3f814, 0x3f814,
1844 0x3f82c, 0x3f82c,
1845 0x3f880, 0x3f88c,
1846 0x3f8e8, 0x3f8ec,
1847 0x3f900, 0x3f928,
1848 0x3f930, 0x3f948,
1849 0x3f960, 0x3f968,
1850 0x3f970, 0x3f99c,
1851 0x3f9f0, 0x3fa38,
1852 0x3fa40, 0x3fa40,
1853 0x3fa48, 0x3fa50,
1854 0x3fa5c, 0x3fa64,
1855 0x3fa70, 0x3fab8,
1856 0x3fac0, 0x3fae4,
1857 0x3faf8, 0x3fb10,
1858 0x3fb28, 0x3fb28,
1859 0x3fb3c, 0x3fb50,
1860 0x3fbf0, 0x3fc10,
1861 0x3fc28, 0x3fc28,
1862 0x3fc3c, 0x3fc50,
1863 0x3fcf0, 0x3fcfc,
1864 0x40000, 0x4000c,
1865 0x40040, 0x40050,
1866 0x40060, 0x40068,
1867 0x4007c, 0x4008c,
1868 0x40094, 0x400b0,
1869 0x400c0, 0x40144,
1870 0x40180, 0x4018c,
1871 0x40200, 0x40254,
1872 0x40260, 0x40264,
1873 0x40270, 0x40288,
1874 0x40290, 0x40298,
1875 0x402ac, 0x402c8,
1876 0x402d0, 0x402e0,
1877 0x402f0, 0x402f0,
1878 0x40300, 0x4033c,
1879 0x403f8, 0x403fc,
1880 0x41304, 0x413c4,
1881 0x41400, 0x4140c,
1882 0x41414, 0x4141c,
1883 0x41480, 0x414d0,
1884 0x44000, 0x44054,
1885 0x4405c, 0x44078,
1886 0x440c0, 0x44174,
1887 0x44180, 0x441ac,
1888 0x441b4, 0x441b8,
1889 0x441c0, 0x44254,
1890 0x4425c, 0x44278,
1891 0x442c0, 0x44374,
1892 0x44380, 0x443ac,
1893 0x443b4, 0x443b8,
1894 0x443c0, 0x44454,
1895 0x4445c, 0x44478,
1896 0x444c0, 0x44574,
1897 0x44580, 0x445ac,
1898 0x445b4, 0x445b8,
1899 0x445c0, 0x44654,
1900 0x4465c, 0x44678,
1901 0x446c0, 0x44774,
1902 0x44780, 0x447ac,
1903 0x447b4, 0x447b8,
1904 0x447c0, 0x44854,
1905 0x4485c, 0x44878,
1906 0x448c0, 0x44974,
1907 0x44980, 0x449ac,
1908 0x449b4, 0x449b8,
1909 0x449c0, 0x449fc,
1910 0x45000, 0x45004,
1911 0x45010, 0x45030,
1912 0x45040, 0x45060,
1913 0x45068, 0x45068,
1914 0x45080, 0x45084,
1915 0x450a0, 0x450b0,
1916 0x45200, 0x45204,
1917 0x45210, 0x45230,
1918 0x45240, 0x45260,
1919 0x45268, 0x45268,
1920 0x45280, 0x45284,
1921 0x452a0, 0x452b0,
1922 0x460c0, 0x460e4,
1923 0x47000, 0x4703c,
1924 0x47044, 0x4708c,
1925 0x47200, 0x47250,
1926 0x47400, 0x47408,
1927 0x47414, 0x47420,
1928 0x47600, 0x47618,
1929 0x47800, 0x47814,
1930 0x48000, 0x4800c,
1931 0x48040, 0x48050,
1932 0x48060, 0x48068,
1933 0x4807c, 0x4808c,
1934 0x48094, 0x480b0,
1935 0x480c0, 0x48144,
1936 0x48180, 0x4818c,
1937 0x48200, 0x48254,
1938 0x48260, 0x48264,
1939 0x48270, 0x48288,
1940 0x48290, 0x48298,
1941 0x482ac, 0x482c8,
1942 0x482d0, 0x482e0,
1943 0x482f0, 0x482f0,
1944 0x48300, 0x4833c,
1945 0x483f8, 0x483fc,
1946 0x49304, 0x493c4,
1947 0x49400, 0x4940c,
1948 0x49414, 0x4941c,
1949 0x49480, 0x494d0,
1950 0x4c000, 0x4c054,
1951 0x4c05c, 0x4c078,
1952 0x4c0c0, 0x4c174,
1953 0x4c180, 0x4c1ac,
1954 0x4c1b4, 0x4c1b8,
1955 0x4c1c0, 0x4c254,
1956 0x4c25c, 0x4c278,
1957 0x4c2c0, 0x4c374,
1958 0x4c380, 0x4c3ac,
1959 0x4c3b4, 0x4c3b8,
1960 0x4c3c0, 0x4c454,
1961 0x4c45c, 0x4c478,
1962 0x4c4c0, 0x4c574,
1963 0x4c580, 0x4c5ac,
1964 0x4c5b4, 0x4c5b8,
1965 0x4c5c0, 0x4c654,
1966 0x4c65c, 0x4c678,
1967 0x4c6c0, 0x4c774,
1968 0x4c780, 0x4c7ac,
1969 0x4c7b4, 0x4c7b8,
1970 0x4c7c0, 0x4c854,
1971 0x4c85c, 0x4c878,
1972 0x4c8c0, 0x4c974,
1973 0x4c980, 0x4c9ac,
1974 0x4c9b4, 0x4c9b8,
1975 0x4c9c0, 0x4c9fc,
1976 0x4d000, 0x4d004,
1977 0x4d010, 0x4d030,
1978 0x4d040, 0x4d060,
1979 0x4d068, 0x4d068,
1980 0x4d080, 0x4d084,
1981 0x4d0a0, 0x4d0b0,
1982 0x4d200, 0x4d204,
1983 0x4d210, 0x4d230,
1984 0x4d240, 0x4d260,
1985 0x4d268, 0x4d268,
1986 0x4d280, 0x4d284,
1987 0x4d2a0, 0x4d2b0,
1988 0x4e0c0, 0x4e0e4,
1989 0x4f000, 0x4f03c,
1990 0x4f044, 0x4f08c,
1991 0x4f200, 0x4f250,
1992 0x4f400, 0x4f408,
1993 0x4f414, 0x4f420,
1994 0x4f600, 0x4f618,
1995 0x4f800, 0x4f814,
1996 0x50000, 0x50084,
1997 0x50090, 0x500cc,
1998 0x50400, 0x50400,
1999 0x50800, 0x50884,
2000 0x50890, 0x508cc,
2001 0x50c00, 0x50c00,
2002 0x51000, 0x5101c,
2003 0x51300, 0x51308,
2004 };
2005
2006 static const unsigned int t5vf_reg_ranges[] = {
2007 VF_SGE_REG(A_SGE_VF_KDOORBELL), VF_SGE_REG(A_SGE_VF_GTS),
2008 VF_MPS_REG(A_MPS_VF_CTL),
2009 VF_MPS_REG(A_MPS_VF_STAT_RX_VF_ERR_FRAMES_H),
2010 VF_PL_REG(A_PL_VF_WHOAMI), VF_PL_REG(A_PL_VF_REVISION),
2011 VF_CIM_REG(A_CIM_VF_EXT_MAILBOX_CTRL),
2012 VF_CIM_REG(A_CIM_VF_EXT_MAILBOX_STATUS),
2013 FW_T4VF_MBDATA_BASE_ADDR,
2014 FW_T4VF_MBDATA_BASE_ADDR +
2015 ((NUM_CIM_PF_MAILBOX_DATA_INSTANCES - 1) * 4),
2016 };
2017
2018 static const unsigned int t6_reg_ranges[] = {
2019 0x1008, 0x101c,
2020 0x1024, 0x10a8,
2021 0x10b4, 0x10f8,
2022 0x1100, 0x1114,
2023 0x111c, 0x112c,
2024 0x1138, 0x113c,
2025 0x1144, 0x114c,
2026 0x1180, 0x1184,
2027 0x1190, 0x1194,
2028 0x11a0, 0x11a4,
2029 0x11b0, 0x11b4,
2030 0x11fc, 0x1274,
2031 0x1280, 0x133c,
2032 0x1800, 0x18fc,
2033 0x3000, 0x302c,
2034 0x3060, 0x30b0,
2035 0x30b8, 0x30d8,
2036 0x30e0, 0x30fc,
2037 0x3140, 0x357c,
2038 0x35a8, 0x35cc,
2039 0x35ec, 0x35ec,
2040 0x3600, 0x5624,
2041 0x56cc, 0x56ec,
2042 0x56f4, 0x5720,
2043 0x5728, 0x575c,
2044 0x580c, 0x5814,
2045 0x5890, 0x589c,
2046 0x58a4, 0x58ac,
2047 0x58b8, 0x58bc,
2048 0x5940, 0x595c,
2049 0x5980, 0x598c,
2050 0x59b0, 0x59c8,
2051 0x59d0, 0x59dc,
2052 0x59fc, 0x5a18,
2053 0x5a60, 0x5a6c,
2054 0x5a80, 0x5a8c,
2055 0x5a94, 0x5a9c,
2056 0x5b94, 0x5bfc,
2057 0x5c10, 0x5e48,
2058 0x5e50, 0x5e94,
2059 0x5ea0, 0x5eb0,
2060 0x5ec0, 0x5ec0,
2061 0x5ec8, 0x5ed0,
2062 0x5ee0, 0x5ee0,
2063 0x5ef0, 0x5ef0,
2064 0x5f00, 0x5f00,
2065 0x6000, 0x6020,
2066 0x6028, 0x6040,
2067 0x6058, 0x609c,
2068 0x60a8, 0x619c,
2069 0x7700, 0x7798,
2070 0x77c0, 0x7880,
2071 0x78cc, 0x78fc,
2072 0x7b00, 0x7b58,
2073 0x7b60, 0x7b84,
2074 0x7b8c, 0x7c54,
2075 0x7d00, 0x7d38,
2076 0x7d40, 0x7d84,
2077 0x7d8c, 0x7ddc,
2078 0x7de4, 0x7e04,
2079 0x7e10, 0x7e1c,
2080 0x7e24, 0x7e38,
2081 0x7e40, 0x7e44,
2082 0x7e4c, 0x7e78,
2083 0x7e80, 0x7edc,
2084 0x7ee8, 0x7efc,
2085 0x8dc0, 0x8de4,
2086 0x8df8, 0x8e04,
2087 0x8e10, 0x8e84,
2088 0x8ea0, 0x8f88,
2089 0x8fb8, 0x9058,
2090 0x9060, 0x9060,
2091 0x9068, 0x90f8,
2092 0x9100, 0x9124,
2093 0x9400, 0x9470,
2094 0x9600, 0x9600,
2095 0x9608, 0x9638,
2096 0x9640, 0x9704,
2097 0x9710, 0x971c,
2098 0x9800, 0x9808,
2099 0x9820, 0x983c,
2100 0x9850, 0x9864,
2101 0x9c00, 0x9c6c,
2102 0x9c80, 0x9cec,
2103 0x9d00, 0x9d6c,
2104 0x9d80, 0x9dec,
2105 0x9e00, 0x9e6c,
2106 0x9e80, 0x9eec,
2107 0x9f00, 0x9f6c,
2108 0x9f80, 0xa020,
2109 0xd004, 0xd03c,
2110 0xd100, 0xd118,
2111 0xd200, 0xd214,
2112 0xd220, 0xd234,
2113 0xd240, 0xd254,
2114 0xd260, 0xd274,
2115 0xd280, 0xd294,
2116 0xd2a0, 0xd2b4,
2117 0xd2c0, 0xd2d4,
2118 0xd2e0, 0xd2f4,
2119 0xd300, 0xd31c,
2120 0xdfc0, 0xdfe0,
2121 0xe000, 0xf008,
2122 0xf010, 0xf018,
2123 0xf020, 0xf028,
2124 0x11000, 0x11014,
2125 0x11048, 0x1106c,
2126 0x11074, 0x11088,
2127 0x11098, 0x11120,
2128 0x1112c, 0x1117c,
2129 0x11190, 0x112e0,
2130 0x11300, 0x1130c,
2131 0x12000, 0x1206c,
2132 0x19040, 0x1906c,
2133 0x19078, 0x19080,
2134 0x1908c, 0x190e8,
2135 0x190f0, 0x190f8,
2136 0x19100, 0x19110,
2137 0x19120, 0x19124,
2138 0x19150, 0x19194,
2139 0x1919c, 0x191b0,
2140 0x191d0, 0x191e8,
2141 0x19238, 0x19290,
2142 0x192a4, 0x192b0,
2143 0x192bc, 0x192bc,
2144 0x19348, 0x1934c,
2145 0x193f8, 0x19418,
2146 0x19420, 0x19428,
2147 0x19430, 0x19444,
2148 0x1944c, 0x1946c,
2149 0x19474, 0x19474,
2150 0x19490, 0x194cc,
2151 0x194f0, 0x194f8,
2152 0x19c00, 0x19c48,
2153 0x19c50, 0x19c80,
2154 0x19c94, 0x19c98,
2155 0x19ca0, 0x19cbc,
2156 0x19ce4, 0x19ce4,
2157 0x19cf0, 0x19cf8,
2158 0x19d00, 0x19d28,
2159 0x19d50, 0x19d78,
2160 0x19d94, 0x19d98,
2161 0x19da0, 0x19dc8,
2162 0x19df0, 0x19e10,
2163 0x19e50, 0x19e6c,
2164 0x19ea0, 0x19ebc,
2165 0x19ec4, 0x19ef4,
2166 0x19f04, 0x19f2c,
2167 0x19f34, 0x19f34,
2168 0x19f40, 0x19f50,
2169 0x19f90, 0x19fac,
2170 0x19fc4, 0x19fc8,
2171 0x19fd0, 0x19fe4,
2172 0x1a000, 0x1a004,
2173 0x1a010, 0x1a06c,
2174 0x1a0b0, 0x1a0e4,
2175 0x1a0ec, 0x1a0f8,
2176 0x1a100, 0x1a108,
2177 0x1a114, 0x1a120,
2178 0x1a128, 0x1a130,
2179 0x1a138, 0x1a138,
2180 0x1a190, 0x1a1c4,
2181 0x1a1fc, 0x1a1fc,
2182 0x1e008, 0x1e00c,
2183 0x1e040, 0x1e044,
2184 0x1e04c, 0x1e04c,
2185 0x1e284, 0x1e290,
2186 0x1e2c0, 0x1e2c0,
2187 0x1e2e0, 0x1e2e0,
2188 0x1e300, 0x1e384,
2189 0x1e3c0, 0x1e3c8,
2190 0x1e408, 0x1e40c,
2191 0x1e440, 0x1e444,
2192 0x1e44c, 0x1e44c,
2193 0x1e684, 0x1e690,
2194 0x1e6c0, 0x1e6c0,
2195 0x1e6e0, 0x1e6e0,
2196 0x1e700, 0x1e784,
2197 0x1e7c0, 0x1e7c8,
2198 0x1e808, 0x1e80c,
2199 0x1e840, 0x1e844,
2200 0x1e84c, 0x1e84c,
2201 0x1ea84, 0x1ea90,
2202 0x1eac0, 0x1eac0,
2203 0x1eae0, 0x1eae0,
2204 0x1eb00, 0x1eb84,
2205 0x1ebc0, 0x1ebc8,
2206 0x1ec08, 0x1ec0c,
2207 0x1ec40, 0x1ec44,
2208 0x1ec4c, 0x1ec4c,
2209 0x1ee84, 0x1ee90,
2210 0x1eec0, 0x1eec0,
2211 0x1eee0, 0x1eee0,
2212 0x1ef00, 0x1ef84,
2213 0x1efc0, 0x1efc8,
2214 0x1f008, 0x1f00c,
2215 0x1f040, 0x1f044,
2216 0x1f04c, 0x1f04c,
2217 0x1f284, 0x1f290,
2218 0x1f2c0, 0x1f2c0,
2219 0x1f2e0, 0x1f2e0,
2220 0x1f300, 0x1f384,
2221 0x1f3c0, 0x1f3c8,
2222 0x1f408, 0x1f40c,
2223 0x1f440, 0x1f444,
2224 0x1f44c, 0x1f44c,
2225 0x1f684, 0x1f690,
2226 0x1f6c0, 0x1f6c0,
2227 0x1f6e0, 0x1f6e0,
2228 0x1f700, 0x1f784,
2229 0x1f7c0, 0x1f7c8,
2230 0x1f808, 0x1f80c,
2231 0x1f840, 0x1f844,
2232 0x1f84c, 0x1f84c,
2233 0x1fa84, 0x1fa90,
2234 0x1fac0, 0x1fac0,
2235 0x1fae0, 0x1fae0,
2236 0x1fb00, 0x1fb84,
2237 0x1fbc0, 0x1fbc8,
2238 0x1fc08, 0x1fc0c,
2239 0x1fc40, 0x1fc44,
2240 0x1fc4c, 0x1fc4c,
2241 0x1fe84, 0x1fe90,
2242 0x1fec0, 0x1fec0,
2243 0x1fee0, 0x1fee0,
2244 0x1ff00, 0x1ff84,
2245 0x1ffc0, 0x1ffc8,
2246 0x30000, 0x30030,
2247 0x30100, 0x30168,
2248 0x30190, 0x301a0,
2249 0x301a8, 0x301b8,
2250 0x301c4, 0x301c8,
2251 0x301d0, 0x301d0,
2252 0x30200, 0x30320,
2253 0x30400, 0x304b4,
2254 0x304c0, 0x3052c,
2255 0x30540, 0x3061c,
2256 0x30800, 0x308a0,
2257 0x308c0, 0x30908,
2258 0x30910, 0x309b8,
2259 0x30a00, 0x30a04,
2260 0x30a0c, 0x30a14,
2261 0x30a1c, 0x30a2c,
2262 0x30a44, 0x30a50,
2263 0x30a74, 0x30a74,
2264 0x30a7c, 0x30afc,
2265 0x30b08, 0x30c24,
2266 0x30d00, 0x30d14,
2267 0x30d1c, 0x30d3c,
2268 0x30d44, 0x30d4c,
2269 0x30d54, 0x30d74,
2270 0x30d7c, 0x30d7c,
2271 0x30de0, 0x30de0,
2272 0x30e00, 0x30ed4,
2273 0x30f00, 0x30fa4,
2274 0x30fc0, 0x30fc4,
2275 0x31000, 0x31004,
2276 0x31080, 0x310fc,
2277 0x31208, 0x31220,
2278 0x3123c, 0x31254,
2279 0x31300, 0x31300,
2280 0x31308, 0x3131c,
2281 0x31338, 0x3133c,
2282 0x31380, 0x31380,
2283 0x31388, 0x313a8,
2284 0x313b4, 0x313b4,
2285 0x31400, 0x31420,
2286 0x31438, 0x3143c,
2287 0x31480, 0x31480,
2288 0x314a8, 0x314a8,
2289 0x314b0, 0x314b4,
2290 0x314c8, 0x314d4,
2291 0x31a40, 0x31a4c,
2292 0x31af0, 0x31b20,
2293 0x31b38, 0x31b3c,
2294 0x31b80, 0x31b80,
2295 0x31ba8, 0x31ba8,
2296 0x31bb0, 0x31bb4,
2297 0x31bc8, 0x31bd4,
2298 0x32140, 0x3218c,
2299 0x321f0, 0x321f4,
2300 0x32200, 0x32200,
2301 0x32218, 0x32218,
2302 0x32400, 0x32400,
2303 0x32408, 0x3241c,
2304 0x32618, 0x32620,
2305 0x32664, 0x32664,
2306 0x326a8, 0x326a8,
2307 0x326ec, 0x326ec,
2308 0x32a00, 0x32abc,
2309 0x32b00, 0x32b18,
2310 0x32b20, 0x32b38,
2311 0x32b40, 0x32b58,
2312 0x32b60, 0x32b78,
2313 0x32c00, 0x32c00,
2314 0x32c08, 0x32c3c,
2315 0x33000, 0x3302c,
2316 0x33034, 0x33050,
2317 0x33058, 0x33058,
2318 0x33060, 0x3308c,
2319 0x3309c, 0x330ac,
2320 0x330c0, 0x330c0,
2321 0x330c8, 0x330d0,
2322 0x330d8, 0x330e0,
2323 0x330ec, 0x3312c,
2324 0x33134, 0x33150,
2325 0x33158, 0x33158,
2326 0x33160, 0x3318c,
2327 0x3319c, 0x331ac,
2328 0x331c0, 0x331c0,
2329 0x331c8, 0x331d0,
2330 0x331d8, 0x331e0,
2331 0x331ec, 0x33290,
2332 0x33298, 0x332c4,
2333 0x332e4, 0x33390,
2334 0x33398, 0x333c4,
2335 0x333e4, 0x3342c,
2336 0x33434, 0x33450,
2337 0x33458, 0x33458,
2338 0x33460, 0x3348c,
2339 0x3349c, 0x334ac,
2340 0x334c0, 0x334c0,
2341 0x334c8, 0x334d0,
2342 0x334d8, 0x334e0,
2343 0x334ec, 0x3352c,
2344 0x33534, 0x33550,
2345 0x33558, 0x33558,
2346 0x33560, 0x3358c,
2347 0x3359c, 0x335ac,
2348 0x335c0, 0x335c0,
2349 0x335c8, 0x335d0,
2350 0x335d8, 0x335e0,
2351 0x335ec, 0x33690,
2352 0x33698, 0x336c4,
2353 0x336e4, 0x33790,
2354 0x33798, 0x337c4,
2355 0x337e4, 0x337fc,
2356 0x33814, 0x33814,
2357 0x33854, 0x33868,
2358 0x33880, 0x3388c,
2359 0x338c0, 0x338d0,
2360 0x338e8, 0x338ec,
2361 0x33900, 0x3392c,
2362 0x33934, 0x33950,
2363 0x33958, 0x33958,
2364 0x33960, 0x3398c,
2365 0x3399c, 0x339ac,
2366 0x339c0, 0x339c0,
2367 0x339c8, 0x339d0,
2368 0x339d8, 0x339e0,
2369 0x339ec, 0x33a90,
2370 0x33a98, 0x33ac4,
2371 0x33ae4, 0x33b10,
2372 0x33b24, 0x33b28,
2373 0x33b38, 0x33b50,
2374 0x33bf0, 0x33c10,
2375 0x33c24, 0x33c28,
2376 0x33c38, 0x33c50,
2377 0x33cf0, 0x33cfc,
2378 0x34000, 0x34030,
2379 0x34100, 0x34168,
2380 0x34190, 0x341a0,
2381 0x341a8, 0x341b8,
2382 0x341c4, 0x341c8,
2383 0x341d0, 0x341d0,
2384 0x34200, 0x34320,
2385 0x34400, 0x344b4,
2386 0x344c0, 0x3452c,
2387 0x34540, 0x3461c,
2388 0x34800, 0x348a0,
2389 0x348c0, 0x34908,
2390 0x34910, 0x349b8,
2391 0x34a00, 0x34a04,
2392 0x34a0c, 0x34a14,
2393 0x34a1c, 0x34a2c,
2394 0x34a44, 0x34a50,
2395 0x34a74, 0x34a74,
2396 0x34a7c, 0x34afc,
2397 0x34b08, 0x34c24,
2398 0x34d00, 0x34d14,
2399 0x34d1c, 0x34d3c,
2400 0x34d44, 0x34d4c,
2401 0x34d54, 0x34d74,
2402 0x34d7c, 0x34d7c,
2403 0x34de0, 0x34de0,
2404 0x34e00, 0x34ed4,
2405 0x34f00, 0x34fa4,
2406 0x34fc0, 0x34fc4,
2407 0x35000, 0x35004,
2408 0x35080, 0x350fc,
2409 0x35208, 0x35220,
2410 0x3523c, 0x35254,
2411 0x35300, 0x35300,
2412 0x35308, 0x3531c,
2413 0x35338, 0x3533c,
2414 0x35380, 0x35380,
2415 0x35388, 0x353a8,
2416 0x353b4, 0x353b4,
2417 0x35400, 0x35420,
2418 0x35438, 0x3543c,
2419 0x35480, 0x35480,
2420 0x354a8, 0x354a8,
2421 0x354b0, 0x354b4,
2422 0x354c8, 0x354d4,
2423 0x35a40, 0x35a4c,
2424 0x35af0, 0x35b20,
2425 0x35b38, 0x35b3c,
2426 0x35b80, 0x35b80,
2427 0x35ba8, 0x35ba8,
2428 0x35bb0, 0x35bb4,
2429 0x35bc8, 0x35bd4,
2430 0x36140, 0x3618c,
2431 0x361f0, 0x361f4,
2432 0x36200, 0x36200,
2433 0x36218, 0x36218,
2434 0x36400, 0x36400,
2435 0x36408, 0x3641c,
2436 0x36618, 0x36620,
2437 0x36664, 0x36664,
2438 0x366a8, 0x366a8,
2439 0x366ec, 0x366ec,
2440 0x36a00, 0x36abc,
2441 0x36b00, 0x36b18,
2442 0x36b20, 0x36b38,
2443 0x36b40, 0x36b58,
2444 0x36b60, 0x36b78,
2445 0x36c00, 0x36c00,
2446 0x36c08, 0x36c3c,
2447 0x37000, 0x3702c,
2448 0x37034, 0x37050,
2449 0x37058, 0x37058,
2450 0x37060, 0x3708c,
2451 0x3709c, 0x370ac,
2452 0x370c0, 0x370c0,
2453 0x370c8, 0x370d0,
2454 0x370d8, 0x370e0,
2455 0x370ec, 0x3712c,
2456 0x37134, 0x37150,
2457 0x37158, 0x37158,
2458 0x37160, 0x3718c,
2459 0x3719c, 0x371ac,
2460 0x371c0, 0x371c0,
2461 0x371c8, 0x371d0,
2462 0x371d8, 0x371e0,
2463 0x371ec, 0x37290,
2464 0x37298, 0x372c4,
2465 0x372e4, 0x37390,
2466 0x37398, 0x373c4,
2467 0x373e4, 0x3742c,
2468 0x37434, 0x37450,
2469 0x37458, 0x37458,
2470 0x37460, 0x3748c,
2471 0x3749c, 0x374ac,
2472 0x374c0, 0x374c0,
2473 0x374c8, 0x374d0,
2474 0x374d8, 0x374e0,
2475 0x374ec, 0x3752c,
2476 0x37534, 0x37550,
2477 0x37558, 0x37558,
2478 0x37560, 0x3758c,
2479 0x3759c, 0x375ac,
2480 0x375c0, 0x375c0,
2481 0x375c8, 0x375d0,
2482 0x375d8, 0x375e0,
2483 0x375ec, 0x37690,
2484 0x37698, 0x376c4,
2485 0x376e4, 0x37790,
2486 0x37798, 0x377c4,
2487 0x377e4, 0x377fc,
2488 0x37814, 0x37814,
2489 0x37854, 0x37868,
2490 0x37880, 0x3788c,
2491 0x378c0, 0x378d0,
2492 0x378e8, 0x378ec,
2493 0x37900, 0x3792c,
2494 0x37934, 0x37950,
2495 0x37958, 0x37958,
2496 0x37960, 0x3798c,
2497 0x3799c, 0x379ac,
2498 0x379c0, 0x379c0,
2499 0x379c8, 0x379d0,
2500 0x379d8, 0x379e0,
2501 0x379ec, 0x37a90,
2502 0x37a98, 0x37ac4,
2503 0x37ae4, 0x37b10,
2504 0x37b24, 0x37b28,
2505 0x37b38, 0x37b50,
2506 0x37bf0, 0x37c10,
2507 0x37c24, 0x37c28,
2508 0x37c38, 0x37c50,
2509 0x37cf0, 0x37cfc,
2510 0x40040, 0x40040,
2511 0x40080, 0x40084,
2512 0x40100, 0x40100,
2513 0x40140, 0x401bc,
2514 0x40200, 0x40214,
2515 0x40228, 0x40228,
2516 0x40240, 0x40258,
2517 0x40280, 0x40280,
2518 0x40304, 0x40304,
2519 0x40330, 0x4033c,
2520 0x41304, 0x413c8,
2521 0x413d0, 0x413dc,
2522 0x413f0, 0x413f0,
2523 0x41400, 0x4140c,
2524 0x41414, 0x4141c,
2525 0x41480, 0x414d0,
2526 0x44000, 0x4407c,
2527 0x440c0, 0x441ac,
2528 0x441b4, 0x4427c,
2529 0x442c0, 0x443ac,
2530 0x443b4, 0x4447c,
2531 0x444c0, 0x445ac,
2532 0x445b4, 0x4467c,
2533 0x446c0, 0x447ac,
2534 0x447b4, 0x4487c,
2535 0x448c0, 0x449ac,
2536 0x449b4, 0x44a7c,
2537 0x44ac0, 0x44bac,
2538 0x44bb4, 0x44c7c,
2539 0x44cc0, 0x44dac,
2540 0x44db4, 0x44e7c,
2541 0x44ec0, 0x44fac,
2542 0x44fb4, 0x4507c,
2543 0x450c0, 0x451ac,
2544 0x451b4, 0x451fc,
2545 0x45800, 0x45804,
2546 0x45810, 0x45830,
2547 0x45840, 0x45860,
2548 0x45868, 0x45868,
2549 0x45880, 0x45884,
2550 0x458a0, 0x458b0,
2551 0x45a00, 0x45a04,
2552 0x45a10, 0x45a30,
2553 0x45a40, 0x45a60,
2554 0x45a68, 0x45a68,
2555 0x45a80, 0x45a84,
2556 0x45aa0, 0x45ab0,
2557 0x460c0, 0x460e4,
2558 0x47000, 0x4703c,
2559 0x47044, 0x4708c,
2560 0x47200, 0x47250,
2561 0x47400, 0x47408,
2562 0x47414, 0x47420,
2563 0x47600, 0x47618,
2564 0x47800, 0x47814,
2565 0x47820, 0x4782c,
2566 0x50000, 0x50084,
2567 0x50090, 0x500cc,
2568 0x50300, 0x50384,
2569 0x50400, 0x50400,
2570 0x50800, 0x50884,
2571 0x50890, 0x508cc,
2572 0x50b00, 0x50b84,
2573 0x50c00, 0x50c00,
2574 0x51000, 0x51020,
2575 0x51028, 0x510b0,
2576 0x51300, 0x51324,
2577 };
2578
2579 static const unsigned int t6vf_reg_ranges[] = {
2580 VF_SGE_REG(A_SGE_VF_KDOORBELL), VF_SGE_REG(A_SGE_VF_GTS),
2581 VF_MPS_REG(A_MPS_VF_CTL),
2582 VF_MPS_REG(A_MPS_VF_STAT_RX_VF_ERR_FRAMES_H),
2583 VF_PL_REG(A_PL_VF_WHOAMI), VF_PL_REG(A_PL_VF_REVISION),
2584 VF_CIM_REG(A_CIM_VF_EXT_MAILBOX_CTRL),
2585 VF_CIM_REG(A_CIM_VF_EXT_MAILBOX_STATUS),
2586 FW_T6VF_MBDATA_BASE_ADDR,
2587 FW_T6VF_MBDATA_BASE_ADDR +
2588 ((NUM_CIM_PF_MAILBOX_DATA_INSTANCES - 1) * 4),
2589 };
2590
2591 u32 *buf_end = (u32 *)(buf + buf_size);
2592 const unsigned int *reg_ranges;
2593 int reg_ranges_size, range;
2594 unsigned int chip_version = chip_id(adap);
2595
2596 /*
2597 * Select the right set of register ranges to dump depending on the
2598 * adapter chip type.
2599 */
2600 switch (chip_version) {
2601 case CHELSIO_T4:
2602 if (adap->flags & IS_VF) {
2603 reg_ranges = t4vf_reg_ranges;
2604 reg_ranges_size = ARRAY_SIZE(t4vf_reg_ranges);
2605 } else {
2606 reg_ranges = t4_reg_ranges;
2607 reg_ranges_size = ARRAY_SIZE(t4_reg_ranges);
2608 }
2609 break;
2610
2611 case CHELSIO_T5:
2612 if (adap->flags & IS_VF) {
2613 reg_ranges = t5vf_reg_ranges;
2614 reg_ranges_size = ARRAY_SIZE(t5vf_reg_ranges);
2615 } else {
2616 reg_ranges = t5_reg_ranges;
2617 reg_ranges_size = ARRAY_SIZE(t5_reg_ranges);
2618 }
2619 break;
2620
2621 case CHELSIO_T6:
2622 if (adap->flags & IS_VF) {
2623 reg_ranges = t6vf_reg_ranges;
2624 reg_ranges_size = ARRAY_SIZE(t6vf_reg_ranges);
2625 } else {
2626 reg_ranges = t6_reg_ranges;
2627 reg_ranges_size = ARRAY_SIZE(t6_reg_ranges);
2628 }
2629 break;
2630
2631 default:
2632 CH_ERR(adap,
2633 "Unsupported chip version %d\n", chip_version);
2634 return;
2635 }
2636
2637 /*
2638 * Clear the register buffer and insert the appropriate register
2639 * values selected by the above register ranges.
2640 */
2641 memset(buf, 0, buf_size);
2642 for (range = 0; range < reg_ranges_size; range += 2) {
2643 unsigned int reg = reg_ranges[range];
2644 unsigned int last_reg = reg_ranges[range + 1];
2645 u32 *bufp = (u32 *)(buf + reg);
2646
2647 /*
2648 * Iterate across the register range filling in the register
2649 * buffer but don't write past the end of the register buffer.
2650 */
2651 while (reg <= last_reg && bufp < buf_end) {
2652 *bufp++ = t4_read_reg(adap, reg);
2653 reg += sizeof(u32);
2654 }
2655 }
2656 }
2657
2658 /*
2659 * Partial EEPROM Vital Product Data structure. Includes only the ID and
2660 * VPD-R sections.
2661 */
2662 struct t4_vpd_hdr {
2663 u8 id_tag;
2664 u8 id_len[2];
2665 u8 id_data[ID_LEN];
2666 u8 vpdr_tag;
2667 u8 vpdr_len[2];
2668 };
2669
2670 /*
2671 * EEPROM reads take a few tens of us while writes can take a bit over 5 ms.
2672 */
2673 #define EEPROM_DELAY 10 /* 10us per poll spin */
2674 #define EEPROM_MAX_POLL 5000 /* x 5000 == 50ms */
2675
2676 #define EEPROM_STAT_ADDR 0x7bfc
2677 #define VPD_SIZE 0x800
2678 #define VPD_BASE 0x400
2679 #define VPD_BASE_OLD 0
2680 #define VPD_LEN 1024
2681 #define VPD_INFO_FLD_HDR_SIZE 3
2682 #define CHELSIO_VPD_UNIQUE_ID 0x82
2683
2684 /*
2685 * Small utility function to wait till any outstanding VPD Access is complete.
2686 * We have a per-adapter state variable "VPD Busy" to indicate when we have a
2687 * VPD Access in flight. This allows us to handle the problem of having a
2688 * previous VPD Access time out and prevent an attempt to inject a new VPD
2689 * Request before any in-flight VPD reguest has completed.
2690 */
t4_seeprom_wait(struct adapter * adapter)2691 static int t4_seeprom_wait(struct adapter *adapter)
2692 {
2693 unsigned int base = adapter->params.pci.vpd_cap_addr;
2694 int max_poll;
2695
2696 /*
2697 * If no VPD Access is in flight, we can just return success right
2698 * away.
2699 */
2700 if (!adapter->vpd_busy)
2701 return 0;
2702
2703 /*
2704 * Poll the VPD Capability Address/Flag register waiting for it
2705 * to indicate that the operation is complete.
2706 */
2707 max_poll = EEPROM_MAX_POLL;
2708 do {
2709 u16 val;
2710
2711 udelay(EEPROM_DELAY);
2712 t4_os_pci_read_cfg2(adapter, base + PCI_VPD_ADDR, &val);
2713
2714 /*
2715 * If the operation is complete, mark the VPD as no longer
2716 * busy and return success.
2717 */
2718 if ((val & PCI_VPD_ADDR_F) == adapter->vpd_flag) {
2719 adapter->vpd_busy = 0;
2720 return 0;
2721 }
2722 } while (--max_poll);
2723
2724 /*
2725 * Failure! Note that we leave the VPD Busy status set in order to
2726 * avoid pushing a new VPD Access request into the VPD Capability till
2727 * the current operation eventually succeeds. It's a bug to issue a
2728 * new request when an existing request is in flight and will result
2729 * in corrupt hardware state.
2730 */
2731 return -ETIMEDOUT;
2732 }
2733
2734 /**
2735 * t4_seeprom_read - read a serial EEPROM location
2736 * @adapter: adapter to read
2737 * @addr: EEPROM virtual address
2738 * @data: where to store the read data
2739 *
2740 * Read a 32-bit word from a location in serial EEPROM using the card's PCI
2741 * VPD capability. Note that this function must be called with a virtual
2742 * address.
2743 */
t4_seeprom_read(struct adapter * adapter,u32 addr,u32 * data)2744 int t4_seeprom_read(struct adapter *adapter, u32 addr, u32 *data)
2745 {
2746 unsigned int base = adapter->params.pci.vpd_cap_addr;
2747 int ret;
2748
2749 /*
2750 * VPD Accesses must alway be 4-byte aligned!
2751 */
2752 if (addr >= EEPROMVSIZE || (addr & 3))
2753 return -EINVAL;
2754
2755 /*
2756 * Wait for any previous operation which may still be in flight to
2757 * complete.
2758 */
2759 ret = t4_seeprom_wait(adapter);
2760 if (ret) {
2761 CH_ERR(adapter, "VPD still busy from previous operation\n");
2762 return ret;
2763 }
2764
2765 /*
2766 * Issue our new VPD Read request, mark the VPD as being busy and wait
2767 * for our request to complete. If it doesn't complete, note the
2768 * error and return it to our caller. Note that we do not reset the
2769 * VPD Busy status!
2770 */
2771 t4_os_pci_write_cfg2(adapter, base + PCI_VPD_ADDR, (u16)addr);
2772 adapter->vpd_busy = 1;
2773 adapter->vpd_flag = PCI_VPD_ADDR_F;
2774 ret = t4_seeprom_wait(adapter);
2775 if (ret) {
2776 CH_ERR(adapter, "VPD read of address %#x failed\n", addr);
2777 return ret;
2778 }
2779
2780 /*
2781 * Grab the returned data, swizzle it into our endianess and
2782 * return success.
2783 */
2784 t4_os_pci_read_cfg4(adapter, base + PCI_VPD_DATA, data);
2785 *data = le32_to_cpu(*data);
2786 return 0;
2787 }
2788
2789 /**
2790 * t4_seeprom_write - write a serial EEPROM location
2791 * @adapter: adapter to write
2792 * @addr: virtual EEPROM address
2793 * @data: value to write
2794 *
2795 * Write a 32-bit word to a location in serial EEPROM using the card's PCI
2796 * VPD capability. Note that this function must be called with a virtual
2797 * address.
2798 */
t4_seeprom_write(struct adapter * adapter,u32 addr,u32 data)2799 int t4_seeprom_write(struct adapter *adapter, u32 addr, u32 data)
2800 {
2801 unsigned int base = adapter->params.pci.vpd_cap_addr;
2802 int ret;
2803 u32 stats_reg;
2804 int max_poll;
2805
2806 /*
2807 * VPD Accesses must alway be 4-byte aligned!
2808 */
2809 if (addr >= EEPROMVSIZE || (addr & 3))
2810 return -EINVAL;
2811
2812 /*
2813 * Wait for any previous operation which may still be in flight to
2814 * complete.
2815 */
2816 ret = t4_seeprom_wait(adapter);
2817 if (ret) {
2818 CH_ERR(adapter, "VPD still busy from previous operation\n");
2819 return ret;
2820 }
2821
2822 /*
2823 * Issue our new VPD Read request, mark the VPD as being busy and wait
2824 * for our request to complete. If it doesn't complete, note the
2825 * error and return it to our caller. Note that we do not reset the
2826 * VPD Busy status!
2827 */
2828 t4_os_pci_write_cfg4(adapter, base + PCI_VPD_DATA,
2829 cpu_to_le32(data));
2830 t4_os_pci_write_cfg2(adapter, base + PCI_VPD_ADDR,
2831 (u16)addr | PCI_VPD_ADDR_F);
2832 adapter->vpd_busy = 1;
2833 adapter->vpd_flag = 0;
2834 ret = t4_seeprom_wait(adapter);
2835 if (ret) {
2836 CH_ERR(adapter, "VPD write of address %#x failed\n", addr);
2837 return ret;
2838 }
2839
2840 /*
2841 * Reset PCI_VPD_DATA register after a transaction and wait for our
2842 * request to complete. If it doesn't complete, return error.
2843 */
2844 t4_os_pci_write_cfg4(adapter, base + PCI_VPD_DATA, 0);
2845 max_poll = EEPROM_MAX_POLL;
2846 do {
2847 udelay(EEPROM_DELAY);
2848 t4_seeprom_read(adapter, EEPROM_STAT_ADDR, &stats_reg);
2849 } while ((stats_reg & 0x1) && --max_poll);
2850 if (!max_poll)
2851 return -ETIMEDOUT;
2852
2853 /* Return success! */
2854 return 0;
2855 }
2856
2857 /**
2858 * t4_eeprom_ptov - translate a physical EEPROM address to virtual
2859 * @phys_addr: the physical EEPROM address
2860 * @fn: the PCI function number
2861 * @sz: size of function-specific area
2862 *
2863 * Translate a physical EEPROM address to virtual. The first 1K is
2864 * accessed through virtual addresses starting at 31K, the rest is
2865 * accessed through virtual addresses starting at 0.
2866 *
2867 * The mapping is as follows:
2868 * [0..1K) -> [31K..32K)
2869 * [1K..1K+A) -> [ES-A..ES)
2870 * [1K+A..ES) -> [0..ES-A-1K)
2871 *
2872 * where A = @fn * @sz, and ES = EEPROM size.
2873 */
t4_eeprom_ptov(unsigned int phys_addr,unsigned int fn,unsigned int sz)2874 int t4_eeprom_ptov(unsigned int phys_addr, unsigned int fn, unsigned int sz)
2875 {
2876 fn *= sz;
2877 if (phys_addr < 1024)
2878 return phys_addr + (31 << 10);
2879 if (phys_addr < 1024 + fn)
2880 return EEPROMSIZE - fn + phys_addr - 1024;
2881 if (phys_addr < EEPROMSIZE)
2882 return phys_addr - 1024 - fn;
2883 return -EINVAL;
2884 }
2885
2886 /**
2887 * t4_seeprom_wp - enable/disable EEPROM write protection
2888 * @adapter: the adapter
2889 * @enable: whether to enable or disable write protection
2890 *
2891 * Enables or disables write protection on the serial EEPROM.
2892 */
t4_seeprom_wp(struct adapter * adapter,int enable)2893 int t4_seeprom_wp(struct adapter *adapter, int enable)
2894 {
2895 return t4_seeprom_write(adapter, EEPROM_STAT_ADDR, enable ? 0xc : 0);
2896 }
2897
2898 /**
2899 * get_vpd_keyword_val - Locates an information field keyword in the VPD
2900 * @v: Pointer to buffered vpd data structure
2901 * @kw: The keyword to search for
2902 *
2903 * Returns the value of the information field keyword or
2904 * -ENOENT otherwise.
2905 */
get_vpd_keyword_val(const struct t4_vpd_hdr * v,const char * kw)2906 static int get_vpd_keyword_val(const struct t4_vpd_hdr *v, const char *kw)
2907 {
2908 int i;
2909 unsigned int offset , len;
2910 const u8 *buf = (const u8 *)v;
2911 const u8 *vpdr_len = &v->vpdr_len[0];
2912 offset = sizeof(struct t4_vpd_hdr);
2913 len = (u16)vpdr_len[0] + ((u16)vpdr_len[1] << 8);
2914
2915 if (len + sizeof(struct t4_vpd_hdr) > VPD_LEN) {
2916 return -ENOENT;
2917 }
2918
2919 for (i = offset; i + VPD_INFO_FLD_HDR_SIZE <= offset + len;) {
2920 if(memcmp(buf + i , kw , 2) == 0){
2921 i += VPD_INFO_FLD_HDR_SIZE;
2922 return i;
2923 }
2924
2925 i += VPD_INFO_FLD_HDR_SIZE + buf[i+2];
2926 }
2927
2928 return -ENOENT;
2929 }
2930
2931
2932 /**
2933 * get_vpd_params - read VPD parameters from VPD EEPROM
2934 * @adapter: adapter to read
2935 * @p: where to store the parameters
2936 * @vpd: caller provided temporary space to read the VPD into
2937 *
2938 * Reads card parameters stored in VPD EEPROM.
2939 */
get_vpd_params(struct adapter * adapter,struct vpd_params * p,u8 * vpd)2940 static int get_vpd_params(struct adapter *adapter, struct vpd_params *p,
2941 u8 *vpd)
2942 {
2943 int i, ret, addr;
2944 int ec, sn, pn, na;
2945 u8 csum;
2946 const struct t4_vpd_hdr *v;
2947
2948 /*
2949 * Card information normally starts at VPD_BASE but early cards had
2950 * it at 0.
2951 */
2952 ret = t4_seeprom_read(adapter, VPD_BASE, (u32 *)(vpd));
2953 if (ret)
2954 return (ret);
2955
2956 /*
2957 * The VPD shall have a unique identifier specified by the PCI SIG.
2958 * For chelsio adapters, the identifier is 0x82. The first byte of a VPD
2959 * shall be CHELSIO_VPD_UNIQUE_ID (0x82). The VPD programming software
2960 * is expected to automatically put this entry at the
2961 * beginning of the VPD.
2962 */
2963 addr = *vpd == CHELSIO_VPD_UNIQUE_ID ? VPD_BASE : VPD_BASE_OLD;
2964
2965 for (i = 0; i < VPD_LEN; i += 4) {
2966 ret = t4_seeprom_read(adapter, addr + i, (u32 *)(vpd + i));
2967 if (ret)
2968 return ret;
2969 }
2970 v = (const struct t4_vpd_hdr *)vpd;
2971
2972 #define FIND_VPD_KW(var,name) do { \
2973 var = get_vpd_keyword_val(v , name); \
2974 if (var < 0) { \
2975 CH_ERR(adapter, "missing VPD keyword " name "\n"); \
2976 return -EINVAL; \
2977 } \
2978 } while (0)
2979
2980 FIND_VPD_KW(i, "RV");
2981 for (csum = 0; i >= 0; i--)
2982 csum += vpd[i];
2983
2984 if (csum) {
2985 CH_ERR(adapter,
2986 "corrupted VPD EEPROM, actual csum %u\n", csum);
2987 return -EINVAL;
2988 }
2989
2990 FIND_VPD_KW(ec, "EC");
2991 FIND_VPD_KW(sn, "SN");
2992 FIND_VPD_KW(pn, "PN");
2993 FIND_VPD_KW(na, "NA");
2994 #undef FIND_VPD_KW
2995
2996 memcpy(p->id, v->id_data, ID_LEN);
2997 strstrip(p->id);
2998 memcpy(p->ec, vpd + ec, EC_LEN);
2999 strstrip(p->ec);
3000 i = vpd[sn - VPD_INFO_FLD_HDR_SIZE + 2];
3001 memcpy(p->sn, vpd + sn, min(i, SERNUM_LEN));
3002 strstrip(p->sn);
3003 i = vpd[pn - VPD_INFO_FLD_HDR_SIZE + 2];
3004 memcpy(p->pn, vpd + pn, min(i, PN_LEN));
3005 strstrip((char *)p->pn);
3006 i = vpd[na - VPD_INFO_FLD_HDR_SIZE + 2];
3007 memcpy(p->na, vpd + na, min(i, MACADDR_LEN));
3008 strstrip((char *)p->na);
3009
3010 return 0;
3011 }
3012
3013 /* serial flash and firmware constants and flash config file constants */
3014 enum {
3015 SF_ATTEMPTS = 10, /* max retries for SF operations */
3016
3017 /* flash command opcodes */
3018 SF_PROG_PAGE = 2, /* program 256B page */
3019 SF_WR_DISABLE = 4, /* disable writes */
3020 SF_RD_STATUS = 5, /* read status register */
3021 SF_WR_ENABLE = 6, /* enable writes */
3022 SF_RD_DATA_FAST = 0xb, /* read flash */
3023 SF_RD_ID = 0x9f, /* read ID */
3024 SF_ERASE_SECTOR = 0xd8, /* erase 64KB sector */
3025 };
3026
3027 /**
3028 * sf1_read - read data from the serial flash
3029 * @adapter: the adapter
3030 * @byte_cnt: number of bytes to read
3031 * @cont: whether another operation will be chained
3032 * @lock: whether to lock SF for PL access only
3033 * @valp: where to store the read data
3034 *
3035 * Reads up to 4 bytes of data from the serial flash. The location of
3036 * the read needs to be specified prior to calling this by issuing the
3037 * appropriate commands to the serial flash.
3038 */
sf1_read(struct adapter * adapter,unsigned int byte_cnt,int cont,int lock,u32 * valp)3039 static int sf1_read(struct adapter *adapter, unsigned int byte_cnt, int cont,
3040 int lock, u32 *valp)
3041 {
3042 int ret;
3043
3044 if (!byte_cnt || byte_cnt > 4)
3045 return -EINVAL;
3046 if (t4_read_reg(adapter, A_SF_OP) & F_BUSY)
3047 return -EBUSY;
3048 t4_write_reg(adapter, A_SF_OP,
3049 V_SF_LOCK(lock) | V_CONT(cont) | V_BYTECNT(byte_cnt - 1));
3050 ret = t4_wait_op_done(adapter, A_SF_OP, F_BUSY, 0, SF_ATTEMPTS, 5);
3051 if (!ret)
3052 *valp = t4_read_reg(adapter, A_SF_DATA);
3053 return ret;
3054 }
3055
3056 /**
3057 * sf1_write - write data to the serial flash
3058 * @adapter: the adapter
3059 * @byte_cnt: number of bytes to write
3060 * @cont: whether another operation will be chained
3061 * @lock: whether to lock SF for PL access only
3062 * @val: value to write
3063 *
3064 * Writes up to 4 bytes of data to the serial flash. The location of
3065 * the write needs to be specified prior to calling this by issuing the
3066 * appropriate commands to the serial flash.
3067 */
sf1_write(struct adapter * adapter,unsigned int byte_cnt,int cont,int lock,u32 val)3068 static int sf1_write(struct adapter *adapter, unsigned int byte_cnt, int cont,
3069 int lock, u32 val)
3070 {
3071 if (!byte_cnt || byte_cnt > 4)
3072 return -EINVAL;
3073 if (t4_read_reg(adapter, A_SF_OP) & F_BUSY)
3074 return -EBUSY;
3075 t4_write_reg(adapter, A_SF_DATA, val);
3076 t4_write_reg(adapter, A_SF_OP, V_SF_LOCK(lock) |
3077 V_CONT(cont) | V_BYTECNT(byte_cnt - 1) | V_OP(1));
3078 return t4_wait_op_done(adapter, A_SF_OP, F_BUSY, 0, SF_ATTEMPTS, 5);
3079 }
3080
3081 /**
3082 * flash_wait_op - wait for a flash operation to complete
3083 * @adapter: the adapter
3084 * @attempts: max number of polls of the status register
3085 * @delay: delay between polls in ms
3086 *
3087 * Wait for a flash operation to complete by polling the status register.
3088 */
flash_wait_op(struct adapter * adapter,int attempts,int delay)3089 static int flash_wait_op(struct adapter *adapter, int attempts, int delay)
3090 {
3091 int ret;
3092 u32 status;
3093
3094 while (1) {
3095 if ((ret = sf1_write(adapter, 1, 1, 1, SF_RD_STATUS)) != 0 ||
3096 (ret = sf1_read(adapter, 1, 0, 1, &status)) != 0)
3097 return ret;
3098 if (!(status & 1))
3099 return 0;
3100 if (--attempts == 0)
3101 return -EAGAIN;
3102 if (delay)
3103 msleep(delay);
3104 }
3105 }
3106
3107 /**
3108 * t4_read_flash - read words from serial flash
3109 * @adapter: the adapter
3110 * @addr: the start address for the read
3111 * @nwords: how many 32-bit words to read
3112 * @data: where to store the read data
3113 * @byte_oriented: whether to store data as bytes or as words
3114 *
3115 * Read the specified number of 32-bit words from the serial flash.
3116 * If @byte_oriented is set the read data is stored as a byte array
3117 * (i.e., big-endian), otherwise as 32-bit words in the platform's
3118 * natural endianness.
3119 */
t4_read_flash(struct adapter * adapter,unsigned int addr,unsigned int nwords,u32 * data,int byte_oriented)3120 int t4_read_flash(struct adapter *adapter, unsigned int addr,
3121 unsigned int nwords, u32 *data, int byte_oriented)
3122 {
3123 int ret;
3124
3125 if (addr + nwords * sizeof(u32) > adapter->params.sf_size || (addr & 3))
3126 return -EINVAL;
3127
3128 addr = swab32(addr) | SF_RD_DATA_FAST;
3129
3130 if ((ret = sf1_write(adapter, 4, 1, 0, addr)) != 0 ||
3131 (ret = sf1_read(adapter, 1, 1, 0, data)) != 0)
3132 return ret;
3133
3134 for ( ; nwords; nwords--, data++) {
3135 ret = sf1_read(adapter, 4, nwords > 1, nwords == 1, data);
3136 if (nwords == 1)
3137 t4_write_reg(adapter, A_SF_OP, 0); /* unlock SF */
3138 if (ret)
3139 return ret;
3140 if (byte_oriented)
3141 *data = (__force __u32)(cpu_to_be32(*data));
3142 }
3143 return 0;
3144 }
3145
3146 /**
3147 * t4_write_flash - write up to a page of data to the serial flash
3148 * @adapter: the adapter
3149 * @addr: the start address to write
3150 * @n: length of data to write in bytes
3151 * @data: the data to write
3152 * @byte_oriented: whether to store data as bytes or as words
3153 *
3154 * Writes up to a page of data (256 bytes) to the serial flash starting
3155 * at the given address. All the data must be written to the same page.
3156 * If @byte_oriented is set the write data is stored as byte stream
3157 * (i.e. matches what on disk), otherwise in big-endian.
3158 */
t4_write_flash(struct adapter * adapter,unsigned int addr,unsigned int n,const u8 * data,int byte_oriented)3159 int t4_write_flash(struct adapter *adapter, unsigned int addr,
3160 unsigned int n, const u8 *data, int byte_oriented)
3161 {
3162 int ret;
3163 u32 buf[SF_PAGE_SIZE / 4];
3164 unsigned int i, c, left, val, offset = addr & 0xff;
3165
3166 if (addr >= adapter->params.sf_size || offset + n > SF_PAGE_SIZE)
3167 return -EINVAL;
3168
3169 val = swab32(addr) | SF_PROG_PAGE;
3170
3171 if ((ret = sf1_write(adapter, 1, 0, 1, SF_WR_ENABLE)) != 0 ||
3172 (ret = sf1_write(adapter, 4, 1, 1, val)) != 0)
3173 goto unlock;
3174
3175 for (left = n; left; left -= c) {
3176 c = min(left, 4U);
3177 for (val = 0, i = 0; i < c; ++i)
3178 val = (val << 8) + *data++;
3179
3180 if (!byte_oriented)
3181 val = cpu_to_be32(val);
3182
3183 ret = sf1_write(adapter, c, c != left, 1, val);
3184 if (ret)
3185 goto unlock;
3186 }
3187 ret = flash_wait_op(adapter, 8, 1);
3188 if (ret)
3189 goto unlock;
3190
3191 t4_write_reg(adapter, A_SF_OP, 0); /* unlock SF */
3192
3193 /* Read the page to verify the write succeeded */
3194 ret = t4_read_flash(adapter, addr & ~0xff, ARRAY_SIZE(buf), buf,
3195 byte_oriented);
3196 if (ret)
3197 return ret;
3198
3199 if (memcmp(data - n, (u8 *)buf + offset, n)) {
3200 CH_ERR(adapter,
3201 "failed to correctly write the flash page at %#x\n",
3202 addr);
3203 return -EIO;
3204 }
3205 return 0;
3206
3207 unlock:
3208 t4_write_reg(adapter, A_SF_OP, 0); /* unlock SF */
3209 return ret;
3210 }
3211
3212 /**
3213 * t4_get_fw_version - read the firmware version
3214 * @adapter: the adapter
3215 * @vers: where to place the version
3216 *
3217 * Reads the FW version from flash.
3218 */
t4_get_fw_version(struct adapter * adapter,u32 * vers)3219 int t4_get_fw_version(struct adapter *adapter, u32 *vers)
3220 {
3221 return t4_read_flash(adapter, FLASH_FW_START +
3222 offsetof(struct fw_hdr, fw_ver), 1,
3223 vers, 0);
3224 }
3225
3226 /**
3227 * t4_get_bs_version - read the firmware bootstrap version
3228 * @adapter: the adapter
3229 * @vers: where to place the version
3230 *
3231 * Reads the FW Bootstrap version from flash.
3232 */
t4_get_bs_version(struct adapter * adapter,u32 * vers)3233 int t4_get_bs_version(struct adapter *adapter, u32 *vers)
3234 {
3235 return t4_read_flash(adapter, FLASH_FWBOOTSTRAP_START +
3236 offsetof(struct fw_hdr, fw_ver), 1,
3237 vers, 0);
3238 }
3239
3240 /**
3241 * t4_get_tp_version - read the TP microcode version
3242 * @adapter: the adapter
3243 * @vers: where to place the version
3244 *
3245 * Reads the TP microcode version from flash.
3246 */
t4_get_tp_version(struct adapter * adapter,u32 * vers)3247 int t4_get_tp_version(struct adapter *adapter, u32 *vers)
3248 {
3249 return t4_read_flash(adapter, FLASH_FW_START +
3250 offsetof(struct fw_hdr, tp_microcode_ver),
3251 1, vers, 0);
3252 }
3253
3254 /**
3255 * t4_get_exprom_version - return the Expansion ROM version (if any)
3256 * @adapter: the adapter
3257 * @vers: where to place the version
3258 *
3259 * Reads the Expansion ROM header from FLASH and returns the version
3260 * number (if present) through the @vers return value pointer. We return
3261 * this in the Firmware Version Format since it's convenient. Return
3262 * 0 on success, -ENOENT if no Expansion ROM is present.
3263 */
t4_get_exprom_version(struct adapter * adap,u32 * vers)3264 int t4_get_exprom_version(struct adapter *adap, u32 *vers)
3265 {
3266 struct exprom_header {
3267 unsigned char hdr_arr[16]; /* must start with 0x55aa */
3268 unsigned char hdr_ver[4]; /* Expansion ROM version */
3269 } *hdr;
3270 u32 exprom_header_buf[DIV_ROUND_UP(sizeof(struct exprom_header),
3271 sizeof(u32))];
3272 int ret;
3273
3274 ret = t4_read_flash(adap, FLASH_EXP_ROM_START,
3275 ARRAY_SIZE(exprom_header_buf), exprom_header_buf,
3276 0);
3277 if (ret)
3278 return ret;
3279
3280 hdr = (struct exprom_header *)exprom_header_buf;
3281 if (hdr->hdr_arr[0] != 0x55 || hdr->hdr_arr[1] != 0xaa)
3282 return -ENOENT;
3283
3284 *vers = (V_FW_HDR_FW_VER_MAJOR(hdr->hdr_ver[0]) |
3285 V_FW_HDR_FW_VER_MINOR(hdr->hdr_ver[1]) |
3286 V_FW_HDR_FW_VER_MICRO(hdr->hdr_ver[2]) |
3287 V_FW_HDR_FW_VER_BUILD(hdr->hdr_ver[3]));
3288 return 0;
3289 }
3290
3291 /**
3292 * t4_get_scfg_version - return the Serial Configuration version
3293 * @adapter: the adapter
3294 * @vers: where to place the version
3295 *
3296 * Reads the Serial Configuration Version via the Firmware interface
3297 * (thus this can only be called once we're ready to issue Firmware
3298 * commands). The format of the Serial Configuration version is
3299 * adapter specific. Returns 0 on success, an error on failure.
3300 *
3301 * Note that early versions of the Firmware didn't include the ability
3302 * to retrieve the Serial Configuration version, so we zero-out the
3303 * return-value parameter in that case to avoid leaving it with
3304 * garbage in it.
3305 *
3306 * Also note that the Firmware will return its cached copy of the Serial
3307 * Initialization Revision ID, not the actual Revision ID as written in
3308 * the Serial EEPROM. This is only an issue if a new VPD has been written
3309 * and the Firmware/Chip haven't yet gone through a RESET sequence. So
3310 * it's best to defer calling this routine till after a FW_RESET_CMD has
3311 * been issued if the Host Driver will be performing a full adapter
3312 * initialization.
3313 */
t4_get_scfg_version(struct adapter * adapter,u32 * vers)3314 int t4_get_scfg_version(struct adapter *adapter, u32 *vers)
3315 {
3316 u32 scfgrev_param;
3317 int ret;
3318
3319 scfgrev_param = (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) |
3320 V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_SCFGREV));
3321 ret = t4_query_params(adapter, adapter->mbox, adapter->pf, 0,
3322 1, &scfgrev_param, vers);
3323 if (ret)
3324 *vers = 0;
3325 return ret;
3326 }
3327
3328 /**
3329 * t4_get_vpd_version - return the VPD version
3330 * @adapter: the adapter
3331 * @vers: where to place the version
3332 *
3333 * Reads the VPD via the Firmware interface (thus this can only be called
3334 * once we're ready to issue Firmware commands). The format of the
3335 * VPD version is adapter specific. Returns 0 on success, an error on
3336 * failure.
3337 *
3338 * Note that early versions of the Firmware didn't include the ability
3339 * to retrieve the VPD version, so we zero-out the return-value parameter
3340 * in that case to avoid leaving it with garbage in it.
3341 *
3342 * Also note that the Firmware will return its cached copy of the VPD
3343 * Revision ID, not the actual Revision ID as written in the Serial
3344 * EEPROM. This is only an issue if a new VPD has been written and the
3345 * Firmware/Chip haven't yet gone through a RESET sequence. So it's best
3346 * to defer calling this routine till after a FW_RESET_CMD has been issued
3347 * if the Host Driver will be performing a full adapter initialization.
3348 */
t4_get_vpd_version(struct adapter * adapter,u32 * vers)3349 int t4_get_vpd_version(struct adapter *adapter, u32 *vers)
3350 {
3351 u32 vpdrev_param;
3352 int ret;
3353
3354 vpdrev_param = (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) |
3355 V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_VPDREV));
3356 ret = t4_query_params(adapter, adapter->mbox, adapter->pf, 0,
3357 1, &vpdrev_param, vers);
3358 if (ret)
3359 *vers = 0;
3360 return ret;
3361 }
3362
3363 /**
3364 * t4_get_version_info - extract various chip/firmware version information
3365 * @adapter: the adapter
3366 *
3367 * Reads various chip/firmware version numbers and stores them into the
3368 * adapter Adapter Parameters structure. If any of the efforts fails
3369 * the first failure will be returned, but all of the version numbers
3370 * will be read.
3371 */
t4_get_version_info(struct adapter * adapter)3372 int t4_get_version_info(struct adapter *adapter)
3373 {
3374 int ret = 0;
3375
3376 #define FIRST_RET(__getvinfo) \
3377 do { \
3378 int __ret = __getvinfo; \
3379 if (__ret && !ret) \
3380 ret = __ret; \
3381 } while (0)
3382
3383 FIRST_RET(t4_get_fw_version(adapter, &adapter->params.fw_vers));
3384 FIRST_RET(t4_get_bs_version(adapter, &adapter->params.bs_vers));
3385 FIRST_RET(t4_get_tp_version(adapter, &adapter->params.tp_vers));
3386 FIRST_RET(t4_get_exprom_version(adapter, &adapter->params.er_vers));
3387 FIRST_RET(t4_get_scfg_version(adapter, &adapter->params.scfg_vers));
3388 FIRST_RET(t4_get_vpd_version(adapter, &adapter->params.vpd_vers));
3389
3390 #undef FIRST_RET
3391
3392 return ret;
3393 }
3394
3395 /**
3396 * t4_flash_erase_sectors - erase a range of flash sectors
3397 * @adapter: the adapter
3398 * @start: the first sector to erase
3399 * @end: the last sector to erase
3400 *
3401 * Erases the sectors in the given inclusive range.
3402 */
t4_flash_erase_sectors(struct adapter * adapter,int start,int end)3403 int t4_flash_erase_sectors(struct adapter *adapter, int start, int end)
3404 {
3405 int ret = 0;
3406
3407 if (end >= adapter->params.sf_nsec)
3408 return -EINVAL;
3409
3410 while (start <= end) {
3411 if ((ret = sf1_write(adapter, 1, 0, 1, SF_WR_ENABLE)) != 0 ||
3412 (ret = sf1_write(adapter, 4, 0, 1,
3413 SF_ERASE_SECTOR | (start << 8))) != 0 ||
3414 (ret = flash_wait_op(adapter, 14, 500)) != 0) {
3415 CH_ERR(adapter,
3416 "erase of flash sector %d failed, error %d\n",
3417 start, ret);
3418 break;
3419 }
3420 start++;
3421 }
3422 t4_write_reg(adapter, A_SF_OP, 0); /* unlock SF */
3423 return ret;
3424 }
3425
3426 /**
3427 * t4_flash_cfg_addr - return the address of the flash configuration file
3428 * @adapter: the adapter
3429 *
3430 * Return the address within the flash where the Firmware Configuration
3431 * File is stored, or an error if the device FLASH is too small to contain
3432 * a Firmware Configuration File.
3433 */
t4_flash_cfg_addr(struct adapter * adapter)3434 int t4_flash_cfg_addr(struct adapter *adapter)
3435 {
3436 /*
3437 * If the device FLASH isn't large enough to hold a Firmware
3438 * Configuration File, return an error.
3439 */
3440 if (adapter->params.sf_size < FLASH_CFG_START + FLASH_CFG_MAX_SIZE)
3441 return -ENOSPC;
3442
3443 return FLASH_CFG_START;
3444 }
3445
3446 /*
3447 * Return TRUE if the specified firmware matches the adapter. I.e. T4
3448 * firmware for T4 adapters, T5 firmware for T5 adapters, etc. We go ahead
3449 * and emit an error message for mismatched firmware to save our caller the
3450 * effort ...
3451 */
t4_fw_matches_chip(struct adapter * adap,const struct fw_hdr * hdr)3452 static int t4_fw_matches_chip(struct adapter *adap,
3453 const struct fw_hdr *hdr)
3454 {
3455 /*
3456 * The expression below will return FALSE for any unsupported adapter
3457 * which will keep us "honest" in the future ...
3458 */
3459 if ((is_t4(adap) && hdr->chip == FW_HDR_CHIP_T4) ||
3460 (is_t5(adap) && hdr->chip == FW_HDR_CHIP_T5) ||
3461 (is_t6(adap) && hdr->chip == FW_HDR_CHIP_T6))
3462 return 1;
3463
3464 CH_ERR(adap,
3465 "FW image (%d) is not suitable for this adapter (%d)\n",
3466 hdr->chip, chip_id(adap));
3467 return 0;
3468 }
3469
3470 /**
3471 * t4_load_fw - download firmware
3472 * @adap: the adapter
3473 * @fw_data: the firmware image to write
3474 * @size: image size
3475 *
3476 * Write the supplied firmware image to the card's serial flash.
3477 */
t4_load_fw(struct adapter * adap,const u8 * fw_data,unsigned int size)3478 int t4_load_fw(struct adapter *adap, const u8 *fw_data, unsigned int size)
3479 {
3480 u32 csum;
3481 int ret, addr;
3482 unsigned int i;
3483 u8 first_page[SF_PAGE_SIZE];
3484 const u32 *p = (const u32 *)fw_data;
3485 const struct fw_hdr *hdr = (const struct fw_hdr *)fw_data;
3486 unsigned int sf_sec_size = adap->params.sf_size / adap->params.sf_nsec;
3487 unsigned int fw_start_sec;
3488 unsigned int fw_start;
3489 unsigned int fw_size;
3490
3491 if (ntohl(hdr->magic) == FW_HDR_MAGIC_BOOTSTRAP) {
3492 fw_start_sec = FLASH_FWBOOTSTRAP_START_SEC;
3493 fw_start = FLASH_FWBOOTSTRAP_START;
3494 fw_size = FLASH_FWBOOTSTRAP_MAX_SIZE;
3495 } else {
3496 fw_start_sec = FLASH_FW_START_SEC;
3497 fw_start = FLASH_FW_START;
3498 fw_size = FLASH_FW_MAX_SIZE;
3499 }
3500
3501 if (!size) {
3502 CH_ERR(adap, "FW image has no data\n");
3503 return -EINVAL;
3504 }
3505 if (size & 511) {
3506 CH_ERR(adap,
3507 "FW image size not multiple of 512 bytes\n");
3508 return -EINVAL;
3509 }
3510 if ((unsigned int) be16_to_cpu(hdr->len512) * 512 != size) {
3511 CH_ERR(adap,
3512 "FW image size differs from size in FW header\n");
3513 return -EINVAL;
3514 }
3515 if (size > fw_size) {
3516 CH_ERR(adap, "FW image too large, max is %u bytes\n",
3517 fw_size);
3518 return -EFBIG;
3519 }
3520 if (!t4_fw_matches_chip(adap, hdr))
3521 return -EINVAL;
3522
3523 for (csum = 0, i = 0; i < size / sizeof(csum); i++)
3524 csum += be32_to_cpu(p[i]);
3525
3526 if (csum != 0xffffffff) {
3527 CH_ERR(adap,
3528 "corrupted firmware image, checksum %#x\n", csum);
3529 return -EINVAL;
3530 }
3531
3532 i = DIV_ROUND_UP(size, sf_sec_size); /* # of sectors spanned */
3533 ret = t4_flash_erase_sectors(adap, fw_start_sec, fw_start_sec + i - 1);
3534 if (ret)
3535 goto out;
3536
3537 /*
3538 * We write the correct version at the end so the driver can see a bad
3539 * version if the FW write fails. Start by writing a copy of the
3540 * first page with a bad version.
3541 */
3542 memcpy(first_page, fw_data, SF_PAGE_SIZE);
3543 ((struct fw_hdr *)first_page)->fw_ver = cpu_to_be32(0xffffffff);
3544 ret = t4_write_flash(adap, fw_start, SF_PAGE_SIZE, first_page, 1);
3545 if (ret)
3546 goto out;
3547
3548 addr = fw_start;
3549 for (size -= SF_PAGE_SIZE; size; size -= SF_PAGE_SIZE) {
3550 addr += SF_PAGE_SIZE;
3551 fw_data += SF_PAGE_SIZE;
3552 ret = t4_write_flash(adap, addr, SF_PAGE_SIZE, fw_data, 1);
3553 if (ret)
3554 goto out;
3555 }
3556
3557 ret = t4_write_flash(adap,
3558 fw_start + offsetof(struct fw_hdr, fw_ver),
3559 sizeof(hdr->fw_ver), (const u8 *)&hdr->fw_ver, 1);
3560 out:
3561 if (ret)
3562 CH_ERR(adap, "firmware download failed, error %d\n",
3563 ret);
3564 return ret;
3565 }
3566
3567 /**
3568 * t4_fwcache - firmware cache operation
3569 * @adap: the adapter
3570 * @op : the operation (flush or flush and invalidate)
3571 */
t4_fwcache(struct adapter * adap,enum fw_params_param_dev_fwcache op)3572 int t4_fwcache(struct adapter *adap, enum fw_params_param_dev_fwcache op)
3573 {
3574 struct fw_params_cmd c;
3575
3576 memset(&c, 0, sizeof(c));
3577 c.op_to_vfn =
3578 cpu_to_be32(V_FW_CMD_OP(FW_PARAMS_CMD) |
3579 F_FW_CMD_REQUEST | F_FW_CMD_WRITE |
3580 V_FW_PARAMS_CMD_PFN(adap->pf) |
3581 V_FW_PARAMS_CMD_VFN(0));
3582 c.retval_len16 = cpu_to_be32(FW_LEN16(c));
3583 c.param[0].mnem =
3584 cpu_to_be32(V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) |
3585 V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_FWCACHE));
3586 c.param[0].val = (__force __be32)op;
3587
3588 return t4_wr_mbox(adap, adap->mbox, &c, sizeof(c), NULL);
3589 }
3590
t4_cim_read_pif_la(struct adapter * adap,u32 * pif_req,u32 * pif_rsp,unsigned int * pif_req_wrptr,unsigned int * pif_rsp_wrptr)3591 void t4_cim_read_pif_la(struct adapter *adap, u32 *pif_req, u32 *pif_rsp,
3592 unsigned int *pif_req_wrptr,
3593 unsigned int *pif_rsp_wrptr)
3594 {
3595 int i, j;
3596 u32 cfg, val, req, rsp;
3597
3598 cfg = t4_read_reg(adap, A_CIM_DEBUGCFG);
3599 if (cfg & F_LADBGEN)
3600 t4_write_reg(adap, A_CIM_DEBUGCFG, cfg ^ F_LADBGEN);
3601
3602 val = t4_read_reg(adap, A_CIM_DEBUGSTS);
3603 req = G_POLADBGWRPTR(val);
3604 rsp = G_PILADBGWRPTR(val);
3605 if (pif_req_wrptr)
3606 *pif_req_wrptr = req;
3607 if (pif_rsp_wrptr)
3608 *pif_rsp_wrptr = rsp;
3609
3610 for (i = 0; i < CIM_PIFLA_SIZE; i++) {
3611 for (j = 0; j < 6; j++) {
3612 t4_write_reg(adap, A_CIM_DEBUGCFG, V_POLADBGRDPTR(req) |
3613 V_PILADBGRDPTR(rsp));
3614 *pif_req++ = t4_read_reg(adap, A_CIM_PO_LA_DEBUGDATA);
3615 *pif_rsp++ = t4_read_reg(adap, A_CIM_PI_LA_DEBUGDATA);
3616 req++;
3617 rsp++;
3618 }
3619 req = (req + 2) & M_POLADBGRDPTR;
3620 rsp = (rsp + 2) & M_PILADBGRDPTR;
3621 }
3622 t4_write_reg(adap, A_CIM_DEBUGCFG, cfg);
3623 }
3624
t4_cim_read_ma_la(struct adapter * adap,u32 * ma_req,u32 * ma_rsp)3625 void t4_cim_read_ma_la(struct adapter *adap, u32 *ma_req, u32 *ma_rsp)
3626 {
3627 u32 cfg;
3628 int i, j, idx;
3629
3630 cfg = t4_read_reg(adap, A_CIM_DEBUGCFG);
3631 if (cfg & F_LADBGEN)
3632 t4_write_reg(adap, A_CIM_DEBUGCFG, cfg ^ F_LADBGEN);
3633
3634 for (i = 0; i < CIM_MALA_SIZE; i++) {
3635 for (j = 0; j < 5; j++) {
3636 idx = 8 * i + j;
3637 t4_write_reg(adap, A_CIM_DEBUGCFG, V_POLADBGRDPTR(idx) |
3638 V_PILADBGRDPTR(idx));
3639 *ma_req++ = t4_read_reg(adap, A_CIM_PO_LA_MADEBUGDATA);
3640 *ma_rsp++ = t4_read_reg(adap, A_CIM_PI_LA_MADEBUGDATA);
3641 }
3642 }
3643 t4_write_reg(adap, A_CIM_DEBUGCFG, cfg);
3644 }
3645
t4_ulprx_read_la(struct adapter * adap,u32 * la_buf)3646 void t4_ulprx_read_la(struct adapter *adap, u32 *la_buf)
3647 {
3648 unsigned int i, j;
3649
3650 for (i = 0; i < 8; i++) {
3651 u32 *p = la_buf + i;
3652
3653 t4_write_reg(adap, A_ULP_RX_LA_CTL, i);
3654 j = t4_read_reg(adap, A_ULP_RX_LA_WRPTR);
3655 t4_write_reg(adap, A_ULP_RX_LA_RDPTR, j);
3656 for (j = 0; j < ULPRX_LA_SIZE; j++, p += 8)
3657 *p = t4_read_reg(adap, A_ULP_RX_LA_RDDATA);
3658 }
3659 }
3660
3661 /**
3662 * t4_link_l1cfg - apply link configuration to MAC/PHY
3663 * @phy: the PHY to setup
3664 * @mac: the MAC to setup
3665 * @lc: the requested link configuration
3666 *
3667 * Set up a port's MAC and PHY according to a desired link configuration.
3668 * - If the PHY can auto-negotiate first decide what to advertise, then
3669 * enable/disable auto-negotiation as desired, and reset.
3670 * - If the PHY does not auto-negotiate just reset it.
3671 * - If auto-negotiation is off set the MAC to the proper speed/duplex/FC,
3672 * otherwise do it later based on the outcome of auto-negotiation.
3673 */
t4_link_l1cfg(struct adapter * adap,unsigned int mbox,unsigned int port,struct link_config * lc)3674 int t4_link_l1cfg(struct adapter *adap, unsigned int mbox, unsigned int port,
3675 struct link_config *lc)
3676 {
3677 struct fw_port_cmd c;
3678 unsigned int mdi = V_FW_PORT_CAP_MDI(FW_PORT_CAP_MDI_AUTO);
3679 unsigned int aneg, fc, fec, speed, rcap;
3680
3681 fc = 0;
3682 if (lc->requested_fc & PAUSE_RX)
3683 fc |= FW_PORT_CAP_FC_RX;
3684 if (lc->requested_fc & PAUSE_TX)
3685 fc |= FW_PORT_CAP_FC_TX;
3686
3687 fec = 0;
3688 if (lc->requested_fec & FEC_RS)
3689 fec = FW_PORT_CAP_FEC_RS;
3690 else if (lc->requested_fec & FEC_BASER_RS)
3691 fec = FW_PORT_CAP_FEC_BASER_RS;
3692
3693 if (!(lc->supported & FW_PORT_CAP_ANEG) ||
3694 lc->requested_aneg == AUTONEG_DISABLE) {
3695 aneg = 0;
3696 switch (lc->requested_speed) {
3697 case 100000:
3698 speed = FW_PORT_CAP_SPEED_100G;
3699 break;
3700 case 40000:
3701 speed = FW_PORT_CAP_SPEED_40G;
3702 break;
3703 case 25000:
3704 speed = FW_PORT_CAP_SPEED_25G;
3705 break;
3706 case 10000:
3707 speed = FW_PORT_CAP_SPEED_10G;
3708 break;
3709 case 1000:
3710 speed = FW_PORT_CAP_SPEED_1G;
3711 break;
3712 case 100:
3713 speed = FW_PORT_CAP_SPEED_100M;
3714 break;
3715 default:
3716 return -EINVAL;
3717 break;
3718 }
3719 } else {
3720 aneg = FW_PORT_CAP_ANEG;
3721 speed = lc->supported &
3722 V_FW_PORT_CAP_SPEED(M_FW_PORT_CAP_SPEED);
3723 }
3724
3725 rcap = aneg | speed | fc | fec | mdi;
3726 if ((rcap | lc->supported) != lc->supported) {
3727 #ifdef INVARIANTS
3728 CH_WARN(adap, "rcap 0x%08x, pcap 0x%08x\n", rcap,
3729 lc->supported);
3730 #endif
3731 rcap &= lc->supported;
3732 }
3733
3734 memset(&c, 0, sizeof(c));
3735 c.op_to_portid = cpu_to_be32(V_FW_CMD_OP(FW_PORT_CMD) |
3736 F_FW_CMD_REQUEST | F_FW_CMD_EXEC |
3737 V_FW_PORT_CMD_PORTID(port));
3738 c.action_to_len16 =
3739 cpu_to_be32(V_FW_PORT_CMD_ACTION(FW_PORT_ACTION_L1_CFG) |
3740 FW_LEN16(c));
3741 c.u.l1cfg.rcap = cpu_to_be32(rcap);
3742
3743 return t4_wr_mbox_ns(adap, mbox, &c, sizeof(c), NULL);
3744 }
3745
3746 /**
3747 * t4_restart_aneg - restart autonegotiation
3748 * @adap: the adapter
3749 * @mbox: mbox to use for the FW command
3750 * @port: the port id
3751 *
3752 * Restarts autonegotiation for the selected port.
3753 */
t4_restart_aneg(struct adapter * adap,unsigned int mbox,unsigned int port)3754 int t4_restart_aneg(struct adapter *adap, unsigned int mbox, unsigned int port)
3755 {
3756 struct fw_port_cmd c;
3757
3758 memset(&c, 0, sizeof(c));
3759 c.op_to_portid = cpu_to_be32(V_FW_CMD_OP(FW_PORT_CMD) |
3760 F_FW_CMD_REQUEST | F_FW_CMD_EXEC |
3761 V_FW_PORT_CMD_PORTID(port));
3762 c.action_to_len16 =
3763 cpu_to_be32(V_FW_PORT_CMD_ACTION(FW_PORT_ACTION_L1_CFG) |
3764 FW_LEN16(c));
3765 c.u.l1cfg.rcap = cpu_to_be32(FW_PORT_CAP_ANEG);
3766 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
3767 }
3768
3769 typedef void (*int_handler_t)(struct adapter *adap);
3770
3771 struct intr_info {
3772 unsigned int mask; /* bits to check in interrupt status */
3773 const char *msg; /* message to print or NULL */
3774 short stat_idx; /* stat counter to increment or -1 */
3775 unsigned short fatal; /* whether the condition reported is fatal */
3776 int_handler_t int_handler; /* platform-specific int handler */
3777 };
3778
3779 /**
3780 * t4_handle_intr_status - table driven interrupt handler
3781 * @adapter: the adapter that generated the interrupt
3782 * @reg: the interrupt status register to process
3783 * @acts: table of interrupt actions
3784 *
3785 * A table driven interrupt handler that applies a set of masks to an
3786 * interrupt status word and performs the corresponding actions if the
3787 * interrupts described by the mask have occurred. The actions include
3788 * optionally emitting a warning or alert message. The table is terminated
3789 * by an entry specifying mask 0. Returns the number of fatal interrupt
3790 * conditions.
3791 */
t4_handle_intr_status(struct adapter * adapter,unsigned int reg,const struct intr_info * acts)3792 static int t4_handle_intr_status(struct adapter *adapter, unsigned int reg,
3793 const struct intr_info *acts)
3794 {
3795 int fatal = 0;
3796 unsigned int mask = 0;
3797 unsigned int status = t4_read_reg(adapter, reg);
3798
3799 for ( ; acts->mask; ++acts) {
3800 if (!(status & acts->mask))
3801 continue;
3802 if (acts->fatal) {
3803 fatal++;
3804 CH_ALERT(adapter, "%s (0x%x)\n", acts->msg,
3805 status & acts->mask);
3806 } else if (acts->msg)
3807 CH_WARN_RATELIMIT(adapter, "%s (0x%x)\n", acts->msg,
3808 status & acts->mask);
3809 if (acts->int_handler)
3810 acts->int_handler(adapter);
3811 mask |= acts->mask;
3812 }
3813 status &= mask;
3814 if (status) /* clear processed interrupts */
3815 t4_write_reg(adapter, reg, status);
3816 return fatal;
3817 }
3818
3819 /*
3820 * Interrupt handler for the PCIE module.
3821 */
pcie_intr_handler(struct adapter * adapter)3822 static void pcie_intr_handler(struct adapter *adapter)
3823 {
3824 static const struct intr_info sysbus_intr_info[] = {
3825 { F_RNPP, "RXNP array parity error", -1, 1 },
3826 { F_RPCP, "RXPC array parity error", -1, 1 },
3827 { F_RCIP, "RXCIF array parity error", -1, 1 },
3828 { F_RCCP, "Rx completions control array parity error", -1, 1 },
3829 { F_RFTP, "RXFT array parity error", -1, 1 },
3830 { 0 }
3831 };
3832 static const struct intr_info pcie_port_intr_info[] = {
3833 { F_TPCP, "TXPC array parity error", -1, 1 },
3834 { F_TNPP, "TXNP array parity error", -1, 1 },
3835 { F_TFTP, "TXFT array parity error", -1, 1 },
3836 { F_TCAP, "TXCA array parity error", -1, 1 },
3837 { F_TCIP, "TXCIF array parity error", -1, 1 },
3838 { F_RCAP, "RXCA array parity error", -1, 1 },
3839 { F_OTDD, "outbound request TLP discarded", -1, 1 },
3840 { F_RDPE, "Rx data parity error", -1, 1 },
3841 { F_TDUE, "Tx uncorrectable data error", -1, 1 },
3842 { 0 }
3843 };
3844 static const struct intr_info pcie_intr_info[] = {
3845 { F_MSIADDRLPERR, "MSI AddrL parity error", -1, 1 },
3846 { F_MSIADDRHPERR, "MSI AddrH parity error", -1, 1 },
3847 { F_MSIDATAPERR, "MSI data parity error", -1, 1 },
3848 { F_MSIXADDRLPERR, "MSI-X AddrL parity error", -1, 1 },
3849 { F_MSIXADDRHPERR, "MSI-X AddrH parity error", -1, 1 },
3850 { F_MSIXDATAPERR, "MSI-X data parity error", -1, 1 },
3851 { F_MSIXDIPERR, "MSI-X DI parity error", -1, 1 },
3852 { F_PIOCPLPERR, "PCI PIO completion FIFO parity error", -1, 1 },
3853 { F_PIOREQPERR, "PCI PIO request FIFO parity error", -1, 1 },
3854 { F_TARTAGPERR, "PCI PCI target tag FIFO parity error", -1, 1 },
3855 { F_CCNTPERR, "PCI CMD channel count parity error", -1, 1 },
3856 { F_CREQPERR, "PCI CMD channel request parity error", -1, 1 },
3857 { F_CRSPPERR, "PCI CMD channel response parity error", -1, 1 },
3858 { F_DCNTPERR, "PCI DMA channel count parity error", -1, 1 },
3859 { F_DREQPERR, "PCI DMA channel request parity error", -1, 1 },
3860 { F_DRSPPERR, "PCI DMA channel response parity error", -1, 1 },
3861 { F_HCNTPERR, "PCI HMA channel count parity error", -1, 1 },
3862 { F_HREQPERR, "PCI HMA channel request parity error", -1, 1 },
3863 { F_HRSPPERR, "PCI HMA channel response parity error", -1, 1 },
3864 { F_CFGSNPPERR, "PCI config snoop FIFO parity error", -1, 1 },
3865 { F_FIDPERR, "PCI FID parity error", -1, 1 },
3866 { F_INTXCLRPERR, "PCI INTx clear parity error", -1, 1 },
3867 { F_MATAGPERR, "PCI MA tag parity error", -1, 1 },
3868 { F_PIOTAGPERR, "PCI PIO tag parity error", -1, 1 },
3869 { F_RXCPLPERR, "PCI Rx completion parity error", -1, 1 },
3870 { F_RXWRPERR, "PCI Rx write parity error", -1, 1 },
3871 { F_RPLPERR, "PCI replay buffer parity error", -1, 1 },
3872 { F_PCIESINT, "PCI core secondary fault", -1, 1 },
3873 { F_PCIEPINT, "PCI core primary fault", -1, 1 },
3874 { F_UNXSPLCPLERR, "PCI unexpected split completion error", -1,
3875 0 },
3876 { 0 }
3877 };
3878
3879 static const struct intr_info t5_pcie_intr_info[] = {
3880 { F_MSTGRPPERR, "Master Response Read Queue parity error",
3881 -1, 1 },
3882 { F_MSTTIMEOUTPERR, "Master Timeout FIFO parity error", -1, 1 },
3883 { F_MSIXSTIPERR, "MSI-X STI SRAM parity error", -1, 1 },
3884 { F_MSIXADDRLPERR, "MSI-X AddrL parity error", -1, 1 },
3885 { F_MSIXADDRHPERR, "MSI-X AddrH parity error", -1, 1 },
3886 { F_MSIXDATAPERR, "MSI-X data parity error", -1, 1 },
3887 { F_MSIXDIPERR, "MSI-X DI parity error", -1, 1 },
3888 { F_PIOCPLGRPPERR, "PCI PIO completion Group FIFO parity error",
3889 -1, 1 },
3890 { F_PIOREQGRPPERR, "PCI PIO request Group FIFO parity error",
3891 -1, 1 },
3892 { F_TARTAGPERR, "PCI PCI target tag FIFO parity error", -1, 1 },
3893 { F_MSTTAGQPERR, "PCI master tag queue parity error", -1, 1 },
3894 { F_CREQPERR, "PCI CMD channel request parity error", -1, 1 },
3895 { F_CRSPPERR, "PCI CMD channel response parity error", -1, 1 },
3896 { F_DREQWRPERR, "PCI DMA channel write request parity error",
3897 -1, 1 },
3898 { F_DREQPERR, "PCI DMA channel request parity error", -1, 1 },
3899 { F_DRSPPERR, "PCI DMA channel response parity error", -1, 1 },
3900 { F_HREQWRPERR, "PCI HMA channel count parity error", -1, 1 },
3901 { F_HREQPERR, "PCI HMA channel request parity error", -1, 1 },
3902 { F_HRSPPERR, "PCI HMA channel response parity error", -1, 1 },
3903 { F_CFGSNPPERR, "PCI config snoop FIFO parity error", -1, 1 },
3904 { F_FIDPERR, "PCI FID parity error", -1, 1 },
3905 { F_VFIDPERR, "PCI INTx clear parity error", -1, 1 },
3906 { F_MAGRPPERR, "PCI MA group FIFO parity error", -1, 1 },
3907 { F_PIOTAGPERR, "PCI PIO tag parity error", -1, 1 },
3908 { F_IPRXHDRGRPPERR, "PCI IP Rx header group parity error",
3909 -1, 1 },
3910 { F_IPRXDATAGRPPERR, "PCI IP Rx data group parity error",
3911 -1, 1 },
3912 { F_RPLPERR, "PCI IP replay buffer parity error", -1, 1 },
3913 { F_IPSOTPERR, "PCI IP SOT buffer parity error", -1, 1 },
3914 { F_TRGT1GRPPERR, "PCI TRGT1 group FIFOs parity error", -1, 1 },
3915 { F_READRSPERR, "Outbound read error", -1,
3916 0 },
3917 { 0 }
3918 };
3919
3920 int fat;
3921
3922 if (is_t4(adapter))
3923 fat = t4_handle_intr_status(adapter,
3924 A_PCIE_CORE_UTL_SYSTEM_BUS_AGENT_STATUS,
3925 sysbus_intr_info) +
3926 t4_handle_intr_status(adapter,
3927 A_PCIE_CORE_UTL_PCI_EXPRESS_PORT_STATUS,
3928 pcie_port_intr_info) +
3929 t4_handle_intr_status(adapter, A_PCIE_INT_CAUSE,
3930 pcie_intr_info);
3931 else
3932 fat = t4_handle_intr_status(adapter, A_PCIE_INT_CAUSE,
3933 t5_pcie_intr_info);
3934 if (fat)
3935 t4_fatal_err(adapter);
3936 }
3937
3938 /*
3939 * TP interrupt handler.
3940 */
tp_intr_handler(struct adapter * adapter)3941 static void tp_intr_handler(struct adapter *adapter)
3942 {
3943 static const struct intr_info tp_intr_info[] = {
3944 { 0x3fffffff, "TP parity error", -1, 1 },
3945 { F_FLMTXFLSTEMPTY, "TP out of Tx pages", -1, 1 },
3946 { 0 }
3947 };
3948
3949 if (t4_handle_intr_status(adapter, A_TP_INT_CAUSE, tp_intr_info))
3950 t4_fatal_err(adapter);
3951 }
3952
3953 /*
3954 * SGE interrupt handler.
3955 */
sge_intr_handler(struct adapter * adapter)3956 static void sge_intr_handler(struct adapter *adapter)
3957 {
3958 u64 v;
3959 u32 err;
3960
3961 static const struct intr_info sge_intr_info[] = {
3962 { F_ERR_CPL_EXCEED_IQE_SIZE,
3963 "SGE received CPL exceeding IQE size", -1, 1 },
3964 { F_ERR_INVALID_CIDX_INC,
3965 "SGE GTS CIDX increment too large", -1, 0 },
3966 { F_ERR_CPL_OPCODE_0, "SGE received 0-length CPL", -1, 0 },
3967 { F_DBFIFO_LP_INT, NULL, -1, 0, t4_db_full },
3968 { F_ERR_DATA_CPL_ON_HIGH_QID1 | F_ERR_DATA_CPL_ON_HIGH_QID0,
3969 "SGE IQID > 1023 received CPL for FL", -1, 0 },
3970 { F_ERR_BAD_DB_PIDX3, "SGE DBP 3 pidx increment too large", -1,
3971 0 },
3972 { F_ERR_BAD_DB_PIDX2, "SGE DBP 2 pidx increment too large", -1,
3973 0 },
3974 { F_ERR_BAD_DB_PIDX1, "SGE DBP 1 pidx increment too large", -1,
3975 0 },
3976 { F_ERR_BAD_DB_PIDX0, "SGE DBP 0 pidx increment too large", -1,
3977 0 },
3978 { F_ERR_ING_CTXT_PRIO,
3979 "SGE too many priority ingress contexts", -1, 0 },
3980 { F_INGRESS_SIZE_ERR, "SGE illegal ingress QID", -1, 0 },
3981 { F_EGRESS_SIZE_ERR, "SGE illegal egress QID", -1, 0 },
3982 { F_ERR_PCIE_ERROR0 | F_ERR_PCIE_ERROR1 |
3983 F_ERR_PCIE_ERROR2 | F_ERR_PCIE_ERROR3,
3984 "SGE PCIe error for a DBP thread", -1, 0 },
3985 { 0 }
3986 };
3987
3988 static const struct intr_info t4t5_sge_intr_info[] = {
3989 { F_ERR_DROPPED_DB, NULL, -1, 0, t4_db_dropped },
3990 { F_DBFIFO_HP_INT, NULL, -1, 0, t4_db_full },
3991 { F_ERR_EGR_CTXT_PRIO,
3992 "SGE too many priority egress contexts", -1, 0 },
3993 { 0 }
3994 };
3995
3996 /*
3997 * For now, treat below interrupts as fatal so that we disable SGE and
3998 * get better debug */
3999 static const struct intr_info t6_sge_intr_info[] = {
4000 { F_FATAL_WRE_LEN,
4001 "SGE Actual WRE packet is less than advertized length",
4002 -1, 1 },
4003 { 0 }
4004 };
4005
4006 v = (u64)t4_read_reg(adapter, A_SGE_INT_CAUSE1) |
4007 ((u64)t4_read_reg(adapter, A_SGE_INT_CAUSE2) << 32);
4008 if (v) {
4009 CH_ALERT(adapter, "SGE parity error (%#llx)\n",
4010 (unsigned long long)v);
4011 t4_write_reg(adapter, A_SGE_INT_CAUSE1, v);
4012 t4_write_reg(adapter, A_SGE_INT_CAUSE2, v >> 32);
4013 }
4014
4015 v |= t4_handle_intr_status(adapter, A_SGE_INT_CAUSE3, sge_intr_info);
4016 if (chip_id(adapter) <= CHELSIO_T5)
4017 v |= t4_handle_intr_status(adapter, A_SGE_INT_CAUSE3,
4018 t4t5_sge_intr_info);
4019 else
4020 v |= t4_handle_intr_status(adapter, A_SGE_INT_CAUSE3,
4021 t6_sge_intr_info);
4022
4023 err = t4_read_reg(adapter, A_SGE_ERROR_STATS);
4024 if (err & F_ERROR_QID_VALID) {
4025 CH_ERR(adapter, "SGE error for queue %u\n", G_ERROR_QID(err));
4026 if (err & F_UNCAPTURED_ERROR)
4027 CH_ERR(adapter, "SGE UNCAPTURED_ERROR set (clearing)\n");
4028 t4_write_reg(adapter, A_SGE_ERROR_STATS, F_ERROR_QID_VALID |
4029 F_UNCAPTURED_ERROR);
4030 }
4031
4032 if (v != 0)
4033 t4_fatal_err(adapter);
4034 }
4035
4036 #define CIM_OBQ_INTR (F_OBQULP0PARERR | F_OBQULP1PARERR | F_OBQULP2PARERR |\
4037 F_OBQULP3PARERR | F_OBQSGEPARERR | F_OBQNCSIPARERR)
4038 #define CIM_IBQ_INTR (F_IBQTP0PARERR | F_IBQTP1PARERR | F_IBQULPPARERR |\
4039 F_IBQSGEHIPARERR | F_IBQSGELOPARERR | F_IBQNCSIPARERR)
4040
4041 /*
4042 * CIM interrupt handler.
4043 */
cim_intr_handler(struct adapter * adapter)4044 static void cim_intr_handler(struct adapter *adapter)
4045 {
4046 static const struct intr_info cim_intr_info[] = {
4047 { F_PREFDROPINT, "CIM control register prefetch drop", -1, 1 },
4048 { CIM_OBQ_INTR, "CIM OBQ parity error", -1, 1 },
4049 { CIM_IBQ_INTR, "CIM IBQ parity error", -1, 1 },
4050 { F_MBUPPARERR, "CIM mailbox uP parity error", -1, 1 },
4051 { F_MBHOSTPARERR, "CIM mailbox host parity error", -1, 1 },
4052 { F_TIEQINPARERRINT, "CIM TIEQ outgoing parity error", -1, 1 },
4053 { F_TIEQOUTPARERRINT, "CIM TIEQ incoming parity error", -1, 1 },
4054 { F_TIMER0INT, "CIM TIMER0 interrupt", -1, 1 },
4055 { 0 }
4056 };
4057 static const struct intr_info cim_upintr_info[] = {
4058 { F_RSVDSPACEINT, "CIM reserved space access", -1, 1 },
4059 { F_ILLTRANSINT, "CIM illegal transaction", -1, 1 },
4060 { F_ILLWRINT, "CIM illegal write", -1, 1 },
4061 { F_ILLRDINT, "CIM illegal read", -1, 1 },
4062 { F_ILLRDBEINT, "CIM illegal read BE", -1, 1 },
4063 { F_ILLWRBEINT, "CIM illegal write BE", -1, 1 },
4064 { F_SGLRDBOOTINT, "CIM single read from boot space", -1, 1 },
4065 { F_SGLWRBOOTINT, "CIM single write to boot space", -1, 1 },
4066 { F_BLKWRBOOTINT, "CIM block write to boot space", -1, 1 },
4067 { F_SGLRDFLASHINT, "CIM single read from flash space", -1, 1 },
4068 { F_SGLWRFLASHINT, "CIM single write to flash space", -1, 1 },
4069 { F_BLKWRFLASHINT, "CIM block write to flash space", -1, 1 },
4070 { F_SGLRDEEPROMINT, "CIM single EEPROM read", -1, 1 },
4071 { F_SGLWREEPROMINT, "CIM single EEPROM write", -1, 1 },
4072 { F_BLKRDEEPROMINT, "CIM block EEPROM read", -1, 1 },
4073 { F_BLKWREEPROMINT, "CIM block EEPROM write", -1, 1 },
4074 { F_SGLRDCTLINT , "CIM single read from CTL space", -1, 1 },
4075 { F_SGLWRCTLINT , "CIM single write to CTL space", -1, 1 },
4076 { F_BLKRDCTLINT , "CIM block read from CTL space", -1, 1 },
4077 { F_BLKWRCTLINT , "CIM block write to CTL space", -1, 1 },
4078 { F_SGLRDPLINT , "CIM single read from PL space", -1, 1 },
4079 { F_SGLWRPLINT , "CIM single write to PL space", -1, 1 },
4080 { F_BLKRDPLINT , "CIM block read from PL space", -1, 1 },
4081 { F_BLKWRPLINT , "CIM block write to PL space", -1, 1 },
4082 { F_REQOVRLOOKUPINT , "CIM request FIFO overwrite", -1, 1 },
4083 { F_RSPOVRLOOKUPINT , "CIM response FIFO overwrite", -1, 1 },
4084 { F_TIMEOUTINT , "CIM PIF timeout", -1, 1 },
4085 { F_TIMEOUTMAINT , "CIM PIF MA timeout", -1, 1 },
4086 { 0 }
4087 };
4088 u32 val, fw_err;
4089 int fat;
4090
4091 fw_err = t4_read_reg(adapter, A_PCIE_FW);
4092 if (fw_err & F_PCIE_FW_ERR)
4093 t4_report_fw_error(adapter);
4094
4095 /* When the Firmware detects an internal error which normally wouldn't
4096 * raise a Host Interrupt, it forces a CIM Timer0 interrupt in order
4097 * to make sure the Host sees the Firmware Crash. So if we have a
4098 * Timer0 interrupt and don't see a Firmware Crash, ignore the Timer0
4099 * interrupt.
4100 */
4101 val = t4_read_reg(adapter, A_CIM_HOST_INT_CAUSE);
4102 if (val & F_TIMER0INT)
4103 if (!(fw_err & F_PCIE_FW_ERR) ||
4104 (G_PCIE_FW_EVAL(fw_err) != PCIE_FW_EVAL_CRASH))
4105 t4_write_reg(adapter, A_CIM_HOST_INT_CAUSE,
4106 F_TIMER0INT);
4107
4108 fat = t4_handle_intr_status(adapter, A_CIM_HOST_INT_CAUSE,
4109 cim_intr_info) +
4110 t4_handle_intr_status(adapter, A_CIM_HOST_UPACC_INT_CAUSE,
4111 cim_upintr_info);
4112 if (fat)
4113 t4_fatal_err(adapter);
4114 }
4115
4116 /*
4117 * ULP RX interrupt handler.
4118 */
ulprx_intr_handler(struct adapter * adapter)4119 static void ulprx_intr_handler(struct adapter *adapter)
4120 {
4121 static const struct intr_info ulprx_intr_info[] = {
4122 { F_CAUSE_CTX_1, "ULPRX channel 1 context error", -1, 1 },
4123 { F_CAUSE_CTX_0, "ULPRX channel 0 context error", -1, 1 },
4124 { 0x7fffff, "ULPRX parity error", -1, 1 },
4125 { 0 }
4126 };
4127
4128 if (t4_handle_intr_status(adapter, A_ULP_RX_INT_CAUSE, ulprx_intr_info))
4129 t4_fatal_err(adapter);
4130 }
4131
4132 /*
4133 * ULP TX interrupt handler.
4134 */
ulptx_intr_handler(struct adapter * adapter)4135 static void ulptx_intr_handler(struct adapter *adapter)
4136 {
4137 static const struct intr_info ulptx_intr_info[] = {
4138 { F_PBL_BOUND_ERR_CH3, "ULPTX channel 3 PBL out of bounds", -1,
4139 0 },
4140 { F_PBL_BOUND_ERR_CH2, "ULPTX channel 2 PBL out of bounds", -1,
4141 0 },
4142 { F_PBL_BOUND_ERR_CH1, "ULPTX channel 1 PBL out of bounds", -1,
4143 0 },
4144 { F_PBL_BOUND_ERR_CH0, "ULPTX channel 0 PBL out of bounds", -1,
4145 0 },
4146 { 0xfffffff, "ULPTX parity error", -1, 1 },
4147 { 0 }
4148 };
4149
4150 if (t4_handle_intr_status(adapter, A_ULP_TX_INT_CAUSE, ulptx_intr_info))
4151 t4_fatal_err(adapter);
4152 }
4153
4154 /*
4155 * PM TX interrupt handler.
4156 */
pmtx_intr_handler(struct adapter * adapter)4157 static void pmtx_intr_handler(struct adapter *adapter)
4158 {
4159 static const struct intr_info pmtx_intr_info[] = {
4160 { F_PCMD_LEN_OVFL0, "PMTX channel 0 pcmd too large", -1, 1 },
4161 { F_PCMD_LEN_OVFL1, "PMTX channel 1 pcmd too large", -1, 1 },
4162 { F_PCMD_LEN_OVFL2, "PMTX channel 2 pcmd too large", -1, 1 },
4163 { F_ZERO_C_CMD_ERROR, "PMTX 0-length pcmd", -1, 1 },
4164 { 0xffffff0, "PMTX framing error", -1, 1 },
4165 { F_OESPI_PAR_ERROR, "PMTX oespi parity error", -1, 1 },
4166 { F_DB_OPTIONS_PAR_ERROR, "PMTX db_options parity error", -1,
4167 1 },
4168 { F_ICSPI_PAR_ERROR, "PMTX icspi parity error", -1, 1 },
4169 { F_C_PCMD_PAR_ERROR, "PMTX c_pcmd parity error", -1, 1},
4170 { 0 }
4171 };
4172
4173 if (t4_handle_intr_status(adapter, A_PM_TX_INT_CAUSE, pmtx_intr_info))
4174 t4_fatal_err(adapter);
4175 }
4176
4177 /*
4178 * PM RX interrupt handler.
4179 */
pmrx_intr_handler(struct adapter * adapter)4180 static void pmrx_intr_handler(struct adapter *adapter)
4181 {
4182 static const struct intr_info pmrx_intr_info[] = {
4183 { F_ZERO_E_CMD_ERROR, "PMRX 0-length pcmd", -1, 1 },
4184 { 0x3ffff0, "PMRX framing error", -1, 1 },
4185 { F_OCSPI_PAR_ERROR, "PMRX ocspi parity error", -1, 1 },
4186 { F_DB_OPTIONS_PAR_ERROR, "PMRX db_options parity error", -1,
4187 1 },
4188 { F_IESPI_PAR_ERROR, "PMRX iespi parity error", -1, 1 },
4189 { F_E_PCMD_PAR_ERROR, "PMRX e_pcmd parity error", -1, 1},
4190 { 0 }
4191 };
4192
4193 if (t4_handle_intr_status(adapter, A_PM_RX_INT_CAUSE, pmrx_intr_info))
4194 t4_fatal_err(adapter);
4195 }
4196
4197 /*
4198 * CPL switch interrupt handler.
4199 */
cplsw_intr_handler(struct adapter * adapter)4200 static void cplsw_intr_handler(struct adapter *adapter)
4201 {
4202 static const struct intr_info cplsw_intr_info[] = {
4203 { F_CIM_OP_MAP_PERR, "CPLSW CIM op_map parity error", -1, 1 },
4204 { F_CIM_OVFL_ERROR, "CPLSW CIM overflow", -1, 1 },
4205 { F_TP_FRAMING_ERROR, "CPLSW TP framing error", -1, 1 },
4206 { F_SGE_FRAMING_ERROR, "CPLSW SGE framing error", -1, 1 },
4207 { F_CIM_FRAMING_ERROR, "CPLSW CIM framing error", -1, 1 },
4208 { F_ZERO_SWITCH_ERROR, "CPLSW no-switch error", -1, 1 },
4209 { 0 }
4210 };
4211
4212 if (t4_handle_intr_status(adapter, A_CPL_INTR_CAUSE, cplsw_intr_info))
4213 t4_fatal_err(adapter);
4214 }
4215
4216 /*
4217 * LE interrupt handler.
4218 */
le_intr_handler(struct adapter * adap)4219 static void le_intr_handler(struct adapter *adap)
4220 {
4221 unsigned int chip_ver = chip_id(adap);
4222 static const struct intr_info le_intr_info[] = {
4223 { F_LIPMISS, "LE LIP miss", -1, 0 },
4224 { F_LIP0, "LE 0 LIP error", -1, 0 },
4225 { F_PARITYERR, "LE parity error", -1, 1 },
4226 { F_UNKNOWNCMD, "LE unknown command", -1, 1 },
4227 { F_REQQPARERR, "LE request queue parity error", -1, 1 },
4228 { 0 }
4229 };
4230
4231 static const struct intr_info t6_le_intr_info[] = {
4232 { F_T6_LIPMISS, "LE LIP miss", -1, 0 },
4233 { F_T6_LIP0, "LE 0 LIP error", -1, 0 },
4234 { F_TCAMINTPERR, "LE parity error", -1, 1 },
4235 { F_T6_UNKNOWNCMD, "LE unknown command", -1, 1 },
4236 { F_SSRAMINTPERR, "LE request queue parity error", -1, 1 },
4237 { 0 }
4238 };
4239
4240 if (t4_handle_intr_status(adap, A_LE_DB_INT_CAUSE,
4241 (chip_ver <= CHELSIO_T5) ?
4242 le_intr_info : t6_le_intr_info))
4243 t4_fatal_err(adap);
4244 }
4245
4246 /*
4247 * MPS interrupt handler.
4248 */
mps_intr_handler(struct adapter * adapter)4249 static void mps_intr_handler(struct adapter *adapter)
4250 {
4251 static const struct intr_info mps_rx_intr_info[] = {
4252 { 0xffffff, "MPS Rx parity error", -1, 1 },
4253 { 0 }
4254 };
4255 static const struct intr_info mps_tx_intr_info[] = {
4256 { V_TPFIFO(M_TPFIFO), "MPS Tx TP FIFO parity error", -1, 1 },
4257 { F_NCSIFIFO, "MPS Tx NC-SI FIFO parity error", -1, 1 },
4258 { V_TXDATAFIFO(M_TXDATAFIFO), "MPS Tx data FIFO parity error",
4259 -1, 1 },
4260 { V_TXDESCFIFO(M_TXDESCFIFO), "MPS Tx desc FIFO parity error",
4261 -1, 1 },
4262 { F_BUBBLE, "MPS Tx underflow", -1, 1 },
4263 { F_SECNTERR, "MPS Tx SOP/EOP error", -1, 1 },
4264 { F_FRMERR, "MPS Tx framing error", -1, 1 },
4265 { 0 }
4266 };
4267 static const struct intr_info mps_trc_intr_info[] = {
4268 { V_FILTMEM(M_FILTMEM), "MPS TRC filter parity error", -1, 1 },
4269 { V_PKTFIFO(M_PKTFIFO), "MPS TRC packet FIFO parity error", -1,
4270 1 },
4271 { F_MISCPERR, "MPS TRC misc parity error", -1, 1 },
4272 { 0 }
4273 };
4274 static const struct intr_info mps_stat_sram_intr_info[] = {
4275 { 0x1fffff, "MPS statistics SRAM parity error", -1, 1 },
4276 { 0 }
4277 };
4278 static const struct intr_info mps_stat_tx_intr_info[] = {
4279 { 0xfffff, "MPS statistics Tx FIFO parity error", -1, 1 },
4280 { 0 }
4281 };
4282 static const struct intr_info mps_stat_rx_intr_info[] = {
4283 { 0xffffff, "MPS statistics Rx FIFO parity error", -1, 1 },
4284 { 0 }
4285 };
4286 static const struct intr_info mps_cls_intr_info[] = {
4287 { F_MATCHSRAM, "MPS match SRAM parity error", -1, 1 },
4288 { F_MATCHTCAM, "MPS match TCAM parity error", -1, 1 },
4289 { F_HASHSRAM, "MPS hash SRAM parity error", -1, 1 },
4290 { 0 }
4291 };
4292
4293 int fat;
4294
4295 fat = t4_handle_intr_status(adapter, A_MPS_RX_PERR_INT_CAUSE,
4296 mps_rx_intr_info) +
4297 t4_handle_intr_status(adapter, A_MPS_TX_INT_CAUSE,
4298 mps_tx_intr_info) +
4299 t4_handle_intr_status(adapter, A_MPS_TRC_INT_CAUSE,
4300 mps_trc_intr_info) +
4301 t4_handle_intr_status(adapter, A_MPS_STAT_PERR_INT_CAUSE_SRAM,
4302 mps_stat_sram_intr_info) +
4303 t4_handle_intr_status(adapter, A_MPS_STAT_PERR_INT_CAUSE_TX_FIFO,
4304 mps_stat_tx_intr_info) +
4305 t4_handle_intr_status(adapter, A_MPS_STAT_PERR_INT_CAUSE_RX_FIFO,
4306 mps_stat_rx_intr_info) +
4307 t4_handle_intr_status(adapter, A_MPS_CLS_INT_CAUSE,
4308 mps_cls_intr_info);
4309
4310 t4_write_reg(adapter, A_MPS_INT_CAUSE, 0);
4311 t4_read_reg(adapter, A_MPS_INT_CAUSE); /* flush */
4312 if (fat)
4313 t4_fatal_err(adapter);
4314 }
4315
4316 #define MEM_INT_MASK (F_PERR_INT_CAUSE | F_ECC_CE_INT_CAUSE | \
4317 F_ECC_UE_INT_CAUSE)
4318
4319 /*
4320 * EDC/MC interrupt handler.
4321 */
mem_intr_handler(struct adapter * adapter,int idx)4322 static void mem_intr_handler(struct adapter *adapter, int idx)
4323 {
4324 static const char name[4][7] = { "EDC0", "EDC1", "MC/MC0", "MC1" };
4325
4326 unsigned int addr, cnt_addr, v;
4327
4328 if (idx <= MEM_EDC1) {
4329 addr = EDC_REG(A_EDC_INT_CAUSE, idx);
4330 cnt_addr = EDC_REG(A_EDC_ECC_STATUS, idx);
4331 } else if (idx == MEM_MC) {
4332 if (is_t4(adapter)) {
4333 addr = A_MC_INT_CAUSE;
4334 cnt_addr = A_MC_ECC_STATUS;
4335 } else {
4336 addr = A_MC_P_INT_CAUSE;
4337 cnt_addr = A_MC_P_ECC_STATUS;
4338 }
4339 } else {
4340 addr = MC_REG(A_MC_P_INT_CAUSE, 1);
4341 cnt_addr = MC_REG(A_MC_P_ECC_STATUS, 1);
4342 }
4343
4344 v = t4_read_reg(adapter, addr) & MEM_INT_MASK;
4345 if (v & F_PERR_INT_CAUSE)
4346 CH_ALERT(adapter, "%s FIFO parity error\n",
4347 name[idx]);
4348 if (v & F_ECC_CE_INT_CAUSE) {
4349 u32 cnt = G_ECC_CECNT(t4_read_reg(adapter, cnt_addr));
4350
4351 if (idx <= MEM_EDC1)
4352 t4_edc_err_read(adapter, idx);
4353
4354 t4_write_reg(adapter, cnt_addr, V_ECC_CECNT(M_ECC_CECNT));
4355 CH_WARN_RATELIMIT(adapter,
4356 "%u %s correctable ECC data error%s\n",
4357 cnt, name[idx], cnt > 1 ? "s" : "");
4358 }
4359 if (v & F_ECC_UE_INT_CAUSE)
4360 CH_ALERT(adapter,
4361 "%s uncorrectable ECC data error\n", name[idx]);
4362
4363 t4_write_reg(adapter, addr, v);
4364 if (v & (F_PERR_INT_CAUSE | F_ECC_UE_INT_CAUSE))
4365 t4_fatal_err(adapter);
4366 }
4367
4368 /*
4369 * MA interrupt handler.
4370 */
ma_intr_handler(struct adapter * adapter)4371 static void ma_intr_handler(struct adapter *adapter)
4372 {
4373 u32 v, status = t4_read_reg(adapter, A_MA_INT_CAUSE);
4374
4375 if (status & F_MEM_PERR_INT_CAUSE) {
4376 CH_ALERT(adapter,
4377 "MA parity error, parity status %#x\n",
4378 t4_read_reg(adapter, A_MA_PARITY_ERROR_STATUS1));
4379 if (is_t5(adapter))
4380 CH_ALERT(adapter,
4381 "MA parity error, parity status %#x\n",
4382 t4_read_reg(adapter,
4383 A_MA_PARITY_ERROR_STATUS2));
4384 }
4385 if (status & F_MEM_WRAP_INT_CAUSE) {
4386 v = t4_read_reg(adapter, A_MA_INT_WRAP_STATUS);
4387 CH_ALERT(adapter, "MA address wrap-around error by "
4388 "client %u to address %#x\n",
4389 G_MEM_WRAP_CLIENT_NUM(v),
4390 G_MEM_WRAP_ADDRESS(v) << 4);
4391 }
4392 t4_write_reg(adapter, A_MA_INT_CAUSE, status);
4393 t4_fatal_err(adapter);
4394 }
4395
4396 /*
4397 * SMB interrupt handler.
4398 */
smb_intr_handler(struct adapter * adap)4399 static void smb_intr_handler(struct adapter *adap)
4400 {
4401 static const struct intr_info smb_intr_info[] = {
4402 { F_MSTTXFIFOPARINT, "SMB master Tx FIFO parity error", -1, 1 },
4403 { F_MSTRXFIFOPARINT, "SMB master Rx FIFO parity error", -1, 1 },
4404 { F_SLVFIFOPARINT, "SMB slave FIFO parity error", -1, 1 },
4405 { 0 }
4406 };
4407
4408 if (t4_handle_intr_status(adap, A_SMB_INT_CAUSE, smb_intr_info))
4409 t4_fatal_err(adap);
4410 }
4411
4412 /*
4413 * NC-SI interrupt handler.
4414 */
ncsi_intr_handler(struct adapter * adap)4415 static void ncsi_intr_handler(struct adapter *adap)
4416 {
4417 static const struct intr_info ncsi_intr_info[] = {
4418 { F_CIM_DM_PRTY_ERR, "NC-SI CIM parity error", -1, 1 },
4419 { F_MPS_DM_PRTY_ERR, "NC-SI MPS parity error", -1, 1 },
4420 { F_TXFIFO_PRTY_ERR, "NC-SI Tx FIFO parity error", -1, 1 },
4421 { F_RXFIFO_PRTY_ERR, "NC-SI Rx FIFO parity error", -1, 1 },
4422 { 0 }
4423 };
4424
4425 if (t4_handle_intr_status(adap, A_NCSI_INT_CAUSE, ncsi_intr_info))
4426 t4_fatal_err(adap);
4427 }
4428
4429 /*
4430 * XGMAC interrupt handler.
4431 */
xgmac_intr_handler(struct adapter * adap,int port)4432 static void xgmac_intr_handler(struct adapter *adap, int port)
4433 {
4434 u32 v, int_cause_reg;
4435
4436 if (is_t4(adap))
4437 int_cause_reg = PORT_REG(port, A_XGMAC_PORT_INT_CAUSE);
4438 else
4439 int_cause_reg = T5_PORT_REG(port, A_MAC_PORT_INT_CAUSE);
4440
4441 v = t4_read_reg(adap, int_cause_reg);
4442
4443 v &= (F_TXFIFO_PRTY_ERR | F_RXFIFO_PRTY_ERR);
4444 if (!v)
4445 return;
4446
4447 if (v & F_TXFIFO_PRTY_ERR)
4448 CH_ALERT(adap, "XGMAC %d Tx FIFO parity error\n",
4449 port);
4450 if (v & F_RXFIFO_PRTY_ERR)
4451 CH_ALERT(adap, "XGMAC %d Rx FIFO parity error\n",
4452 port);
4453 t4_write_reg(adap, int_cause_reg, v);
4454 t4_fatal_err(adap);
4455 }
4456
4457 /*
4458 * PL interrupt handler.
4459 */
pl_intr_handler(struct adapter * adap)4460 static void pl_intr_handler(struct adapter *adap)
4461 {
4462 static const struct intr_info pl_intr_info[] = {
4463 { F_FATALPERR, "Fatal parity error", -1, 1 },
4464 { F_PERRVFID, "PL VFID_MAP parity error", -1, 1 },
4465 { 0 }
4466 };
4467
4468 static const struct intr_info t5_pl_intr_info[] = {
4469 { F_FATALPERR, "Fatal parity error", -1, 1 },
4470 { 0 }
4471 };
4472
4473 if (t4_handle_intr_status(adap, A_PL_PL_INT_CAUSE,
4474 is_t4(adap) ?
4475 pl_intr_info : t5_pl_intr_info))
4476 t4_fatal_err(adap);
4477 }
4478
4479 #define PF_INTR_MASK (F_PFSW | F_PFCIM)
4480
4481 /**
4482 * t4_slow_intr_handler - control path interrupt handler
4483 * @adapter: the adapter
4484 *
4485 * T4 interrupt handler for non-data global interrupt events, e.g., errors.
4486 * The designation 'slow' is because it involves register reads, while
4487 * data interrupts typically don't involve any MMIOs.
4488 */
t4_slow_intr_handler(struct adapter * adapter)4489 int t4_slow_intr_handler(struct adapter *adapter)
4490 {
4491 u32 cause = t4_read_reg(adapter, A_PL_INT_CAUSE);
4492
4493 if (!(cause & GLBL_INTR_MASK))
4494 return 0;
4495 if (cause & F_CIM)
4496 cim_intr_handler(adapter);
4497 if (cause & F_MPS)
4498 mps_intr_handler(adapter);
4499 if (cause & F_NCSI)
4500 ncsi_intr_handler(adapter);
4501 if (cause & F_PL)
4502 pl_intr_handler(adapter);
4503 if (cause & F_SMB)
4504 smb_intr_handler(adapter);
4505 if (cause & F_MAC0)
4506 xgmac_intr_handler(adapter, 0);
4507 if (cause & F_MAC1)
4508 xgmac_intr_handler(adapter, 1);
4509 if (cause & F_MAC2)
4510 xgmac_intr_handler(adapter, 2);
4511 if (cause & F_MAC3)
4512 xgmac_intr_handler(adapter, 3);
4513 if (cause & F_PCIE)
4514 pcie_intr_handler(adapter);
4515 if (cause & F_MC0)
4516 mem_intr_handler(adapter, MEM_MC);
4517 if (is_t5(adapter) && (cause & F_MC1))
4518 mem_intr_handler(adapter, MEM_MC1);
4519 if (cause & F_EDC0)
4520 mem_intr_handler(adapter, MEM_EDC0);
4521 if (cause & F_EDC1)
4522 mem_intr_handler(adapter, MEM_EDC1);
4523 if (cause & F_LE)
4524 le_intr_handler(adapter);
4525 if (cause & F_TP)
4526 tp_intr_handler(adapter);
4527 if (cause & F_MA)
4528 ma_intr_handler(adapter);
4529 if (cause & F_PM_TX)
4530 pmtx_intr_handler(adapter);
4531 if (cause & F_PM_RX)
4532 pmrx_intr_handler(adapter);
4533 if (cause & F_ULP_RX)
4534 ulprx_intr_handler(adapter);
4535 if (cause & F_CPL_SWITCH)
4536 cplsw_intr_handler(adapter);
4537 if (cause & F_SGE)
4538 sge_intr_handler(adapter);
4539 if (cause & F_ULP_TX)
4540 ulptx_intr_handler(adapter);
4541
4542 /* Clear the interrupts just processed for which we are the master. */
4543 t4_write_reg(adapter, A_PL_INT_CAUSE, cause & GLBL_INTR_MASK);
4544 (void)t4_read_reg(adapter, A_PL_INT_CAUSE); /* flush */
4545 return 1;
4546 }
4547
4548 /**
4549 * t4_intr_enable - enable interrupts
4550 * @adapter: the adapter whose interrupts should be enabled
4551 *
4552 * Enable PF-specific interrupts for the calling function and the top-level
4553 * interrupt concentrator for global interrupts. Interrupts are already
4554 * enabled at each module, here we just enable the roots of the interrupt
4555 * hierarchies.
4556 *
4557 * Note: this function should be called only when the driver manages
4558 * non PF-specific interrupts from the various HW modules. Only one PCI
4559 * function at a time should be doing this.
4560 */
t4_intr_enable(struct adapter * adapter)4561 void t4_intr_enable(struct adapter *adapter)
4562 {
4563 u32 val = 0;
4564 u32 whoami = t4_read_reg(adapter, A_PL_WHOAMI);
4565 u32 pf = (chip_id(adapter) <= CHELSIO_T5
4566 ? G_SOURCEPF(whoami)
4567 : G_T6_SOURCEPF(whoami));
4568
4569 if (chip_id(adapter) <= CHELSIO_T5)
4570 val = F_ERR_DROPPED_DB | F_ERR_EGR_CTXT_PRIO | F_DBFIFO_HP_INT;
4571 else
4572 val = F_ERR_PCIE_ERROR0 | F_ERR_PCIE_ERROR1 | F_FATAL_WRE_LEN;
4573 t4_write_reg(adapter, A_SGE_INT_ENABLE3, F_ERR_CPL_EXCEED_IQE_SIZE |
4574 F_ERR_INVALID_CIDX_INC | F_ERR_CPL_OPCODE_0 |
4575 F_ERR_DATA_CPL_ON_HIGH_QID1 | F_INGRESS_SIZE_ERR |
4576 F_ERR_DATA_CPL_ON_HIGH_QID0 | F_ERR_BAD_DB_PIDX3 |
4577 F_ERR_BAD_DB_PIDX2 | F_ERR_BAD_DB_PIDX1 |
4578 F_ERR_BAD_DB_PIDX0 | F_ERR_ING_CTXT_PRIO |
4579 F_DBFIFO_LP_INT | F_EGRESS_SIZE_ERR | val);
4580 t4_write_reg(adapter, MYPF_REG(A_PL_PF_INT_ENABLE), PF_INTR_MASK);
4581 t4_set_reg_field(adapter, A_PL_INT_MAP0, 0, 1 << pf);
4582 }
4583
4584 /**
4585 * t4_intr_disable - disable interrupts
4586 * @adapter: the adapter whose interrupts should be disabled
4587 *
4588 * Disable interrupts. We only disable the top-level interrupt
4589 * concentrators. The caller must be a PCI function managing global
4590 * interrupts.
4591 */
t4_intr_disable(struct adapter * adapter)4592 void t4_intr_disable(struct adapter *adapter)
4593 {
4594 u32 whoami = t4_read_reg(adapter, A_PL_WHOAMI);
4595 u32 pf = (chip_id(adapter) <= CHELSIO_T5
4596 ? G_SOURCEPF(whoami)
4597 : G_T6_SOURCEPF(whoami));
4598
4599 t4_write_reg(adapter, MYPF_REG(A_PL_PF_INT_ENABLE), 0);
4600 t4_set_reg_field(adapter, A_PL_INT_MAP0, 1 << pf, 0);
4601 }
4602
4603 /**
4604 * t4_intr_clear - clear all interrupts
4605 * @adapter: the adapter whose interrupts should be cleared
4606 *
4607 * Clears all interrupts. The caller must be a PCI function managing
4608 * global interrupts.
4609 */
t4_intr_clear(struct adapter * adapter)4610 void t4_intr_clear(struct adapter *adapter)
4611 {
4612 static const unsigned int cause_reg[] = {
4613 A_SGE_INT_CAUSE1, A_SGE_INT_CAUSE2, A_SGE_INT_CAUSE3,
4614 A_PCIE_NONFAT_ERR, A_PCIE_INT_CAUSE,
4615 A_MA_INT_WRAP_STATUS, A_MA_PARITY_ERROR_STATUS1, A_MA_INT_CAUSE,
4616 A_EDC_INT_CAUSE, EDC_REG(A_EDC_INT_CAUSE, 1),
4617 A_CIM_HOST_INT_CAUSE, A_CIM_HOST_UPACC_INT_CAUSE,
4618 MYPF_REG(A_CIM_PF_HOST_INT_CAUSE),
4619 A_TP_INT_CAUSE,
4620 A_ULP_RX_INT_CAUSE, A_ULP_TX_INT_CAUSE,
4621 A_PM_RX_INT_CAUSE, A_PM_TX_INT_CAUSE,
4622 A_MPS_RX_PERR_INT_CAUSE,
4623 A_CPL_INTR_CAUSE,
4624 MYPF_REG(A_PL_PF_INT_CAUSE),
4625 A_PL_PL_INT_CAUSE,
4626 A_LE_DB_INT_CAUSE,
4627 };
4628
4629 unsigned int i;
4630
4631 for (i = 0; i < ARRAY_SIZE(cause_reg); ++i)
4632 t4_write_reg(adapter, cause_reg[i], 0xffffffff);
4633
4634 t4_write_reg(adapter, is_t4(adapter) ? A_MC_INT_CAUSE :
4635 A_MC_P_INT_CAUSE, 0xffffffff);
4636
4637 if (is_t4(adapter)) {
4638 t4_write_reg(adapter, A_PCIE_CORE_UTL_SYSTEM_BUS_AGENT_STATUS,
4639 0xffffffff);
4640 t4_write_reg(adapter, A_PCIE_CORE_UTL_PCI_EXPRESS_PORT_STATUS,
4641 0xffffffff);
4642 } else
4643 t4_write_reg(adapter, A_MA_PARITY_ERROR_STATUS2, 0xffffffff);
4644
4645 t4_write_reg(adapter, A_PL_INT_CAUSE, GLBL_INTR_MASK);
4646 (void) t4_read_reg(adapter, A_PL_INT_CAUSE); /* flush */
4647 }
4648
4649 /**
4650 * hash_mac_addr - return the hash value of a MAC address
4651 * @addr: the 48-bit Ethernet MAC address
4652 *
4653 * Hashes a MAC address according to the hash function used by HW inexact
4654 * (hash) address matching.
4655 */
hash_mac_addr(const u8 * addr)4656 static int hash_mac_addr(const u8 *addr)
4657 {
4658 u32 a = ((u32)addr[0] << 16) | ((u32)addr[1] << 8) | addr[2];
4659 u32 b = ((u32)addr[3] << 16) | ((u32)addr[4] << 8) | addr[5];
4660 a ^= b;
4661 a ^= (a >> 12);
4662 a ^= (a >> 6);
4663 return a & 0x3f;
4664 }
4665
4666 /**
4667 * t4_config_rss_range - configure a portion of the RSS mapping table
4668 * @adapter: the adapter
4669 * @mbox: mbox to use for the FW command
4670 * @viid: virtual interface whose RSS subtable is to be written
4671 * @start: start entry in the table to write
4672 * @n: how many table entries to write
4673 * @rspq: values for the "response queue" (Ingress Queue) lookup table
4674 * @nrspq: number of values in @rspq
4675 *
4676 * Programs the selected part of the VI's RSS mapping table with the
4677 * provided values. If @nrspq < @n the supplied values are used repeatedly
4678 * until the full table range is populated.
4679 *
4680 * The caller must ensure the values in @rspq are in the range allowed for
4681 * @viid.
4682 */
t4_config_rss_range(struct adapter * adapter,int mbox,unsigned int viid,int start,int n,const u16 * rspq,unsigned int nrspq)4683 int t4_config_rss_range(struct adapter *adapter, int mbox, unsigned int viid,
4684 int start, int n, const u16 *rspq, unsigned int nrspq)
4685 {
4686 int ret;
4687 const u16 *rsp = rspq;
4688 const u16 *rsp_end = rspq + nrspq;
4689 struct fw_rss_ind_tbl_cmd cmd;
4690
4691 memset(&cmd, 0, sizeof(cmd));
4692 cmd.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_RSS_IND_TBL_CMD) |
4693 F_FW_CMD_REQUEST | F_FW_CMD_WRITE |
4694 V_FW_RSS_IND_TBL_CMD_VIID(viid));
4695 cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd));
4696
4697 /*
4698 * Each firmware RSS command can accommodate up to 32 RSS Ingress
4699 * Queue Identifiers. These Ingress Queue IDs are packed three to
4700 * a 32-bit word as 10-bit values with the upper remaining 2 bits
4701 * reserved.
4702 */
4703 while (n > 0) {
4704 int nq = min(n, 32);
4705 int nq_packed = 0;
4706 __be32 *qp = &cmd.iq0_to_iq2;
4707
4708 /*
4709 * Set up the firmware RSS command header to send the next
4710 * "nq" Ingress Queue IDs to the firmware.
4711 */
4712 cmd.niqid = cpu_to_be16(nq);
4713 cmd.startidx = cpu_to_be16(start);
4714
4715 /*
4716 * "nq" more done for the start of the next loop.
4717 */
4718 start += nq;
4719 n -= nq;
4720
4721 /*
4722 * While there are still Ingress Queue IDs to stuff into the
4723 * current firmware RSS command, retrieve them from the
4724 * Ingress Queue ID array and insert them into the command.
4725 */
4726 while (nq > 0) {
4727 /*
4728 * Grab up to the next 3 Ingress Queue IDs (wrapping
4729 * around the Ingress Queue ID array if necessary) and
4730 * insert them into the firmware RSS command at the
4731 * current 3-tuple position within the commad.
4732 */
4733 u16 qbuf[3];
4734 u16 *qbp = qbuf;
4735 int nqbuf = min(3, nq);
4736
4737 nq -= nqbuf;
4738 qbuf[0] = qbuf[1] = qbuf[2] = 0;
4739 while (nqbuf && nq_packed < 32) {
4740 nqbuf--;
4741 nq_packed++;
4742 *qbp++ = *rsp++;
4743 if (rsp >= rsp_end)
4744 rsp = rspq;
4745 }
4746 *qp++ = cpu_to_be32(V_FW_RSS_IND_TBL_CMD_IQ0(qbuf[0]) |
4747 V_FW_RSS_IND_TBL_CMD_IQ1(qbuf[1]) |
4748 V_FW_RSS_IND_TBL_CMD_IQ2(qbuf[2]));
4749 }
4750
4751 /*
4752 * Send this portion of the RRS table update to the firmware;
4753 * bail out on any errors.
4754 */
4755 ret = t4_wr_mbox(adapter, mbox, &cmd, sizeof(cmd), NULL);
4756 if (ret)
4757 return ret;
4758 }
4759 return 0;
4760 }
4761
4762 /**
4763 * t4_config_glbl_rss - configure the global RSS mode
4764 * @adapter: the adapter
4765 * @mbox: mbox to use for the FW command
4766 * @mode: global RSS mode
4767 * @flags: mode-specific flags
4768 *
4769 * Sets the global RSS mode.
4770 */
t4_config_glbl_rss(struct adapter * adapter,int mbox,unsigned int mode,unsigned int flags)4771 int t4_config_glbl_rss(struct adapter *adapter, int mbox, unsigned int mode,
4772 unsigned int flags)
4773 {
4774 struct fw_rss_glb_config_cmd c;
4775
4776 memset(&c, 0, sizeof(c));
4777 c.op_to_write = cpu_to_be32(V_FW_CMD_OP(FW_RSS_GLB_CONFIG_CMD) |
4778 F_FW_CMD_REQUEST | F_FW_CMD_WRITE);
4779 c.retval_len16 = cpu_to_be32(FW_LEN16(c));
4780 if (mode == FW_RSS_GLB_CONFIG_CMD_MODE_MANUAL) {
4781 c.u.manual.mode_pkd =
4782 cpu_to_be32(V_FW_RSS_GLB_CONFIG_CMD_MODE(mode));
4783 } else if (mode == FW_RSS_GLB_CONFIG_CMD_MODE_BASICVIRTUAL) {
4784 c.u.basicvirtual.mode_keymode =
4785 cpu_to_be32(V_FW_RSS_GLB_CONFIG_CMD_MODE(mode));
4786 c.u.basicvirtual.synmapen_to_hashtoeplitz = cpu_to_be32(flags);
4787 } else
4788 return -EINVAL;
4789 return t4_wr_mbox(adapter, mbox, &c, sizeof(c), NULL);
4790 }
4791
4792 /**
4793 * t4_config_vi_rss - configure per VI RSS settings
4794 * @adapter: the adapter
4795 * @mbox: mbox to use for the FW command
4796 * @viid: the VI id
4797 * @flags: RSS flags
4798 * @defq: id of the default RSS queue for the VI.
4799 * @skeyidx: RSS secret key table index for non-global mode
4800 * @skey: RSS vf_scramble key for VI.
4801 *
4802 * Configures VI-specific RSS properties.
4803 */
t4_config_vi_rss(struct adapter * adapter,int mbox,unsigned int viid,unsigned int flags,unsigned int defq,unsigned int skeyidx,unsigned int skey)4804 int t4_config_vi_rss(struct adapter *adapter, int mbox, unsigned int viid,
4805 unsigned int flags, unsigned int defq, unsigned int skeyidx,
4806 unsigned int skey)
4807 {
4808 struct fw_rss_vi_config_cmd c;
4809
4810 memset(&c, 0, sizeof(c));
4811 c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_RSS_VI_CONFIG_CMD) |
4812 F_FW_CMD_REQUEST | F_FW_CMD_WRITE |
4813 V_FW_RSS_VI_CONFIG_CMD_VIID(viid));
4814 c.retval_len16 = cpu_to_be32(FW_LEN16(c));
4815 c.u.basicvirtual.defaultq_to_udpen = cpu_to_be32(flags |
4816 V_FW_RSS_VI_CONFIG_CMD_DEFAULTQ(defq));
4817 c.u.basicvirtual.secretkeyidx_pkd = cpu_to_be32(
4818 V_FW_RSS_VI_CONFIG_CMD_SECRETKEYIDX(skeyidx));
4819 c.u.basicvirtual.secretkeyxor = cpu_to_be32(skey);
4820
4821 return t4_wr_mbox(adapter, mbox, &c, sizeof(c), NULL);
4822 }
4823
4824 /* Read an RSS table row */
rd_rss_row(struct adapter * adap,int row,u32 * val)4825 static int rd_rss_row(struct adapter *adap, int row, u32 *val)
4826 {
4827 t4_write_reg(adap, A_TP_RSS_LKP_TABLE, 0xfff00000 | row);
4828 return t4_wait_op_done_val(adap, A_TP_RSS_LKP_TABLE, F_LKPTBLROWVLD, 1,
4829 5, 0, val);
4830 }
4831
4832 /**
4833 * t4_read_rss - read the contents of the RSS mapping table
4834 * @adapter: the adapter
4835 * @map: holds the contents of the RSS mapping table
4836 *
4837 * Reads the contents of the RSS hash->queue mapping table.
4838 */
t4_read_rss(struct adapter * adapter,u16 * map)4839 int t4_read_rss(struct adapter *adapter, u16 *map)
4840 {
4841 u32 val;
4842 int i, ret;
4843
4844 for (i = 0; i < RSS_NENTRIES / 2; ++i) {
4845 ret = rd_rss_row(adapter, i, &val);
4846 if (ret)
4847 return ret;
4848 *map++ = G_LKPTBLQUEUE0(val);
4849 *map++ = G_LKPTBLQUEUE1(val);
4850 }
4851 return 0;
4852 }
4853
4854 /**
4855 * t4_tp_fw_ldst_rw - Access TP indirect register through LDST
4856 * @adap: the adapter
4857 * @cmd: TP fw ldst address space type
4858 * @vals: where the indirect register values are stored/written
4859 * @nregs: how many indirect registers to read/write
4860 * @start_idx: index of first indirect register to read/write
4861 * @rw: Read (1) or Write (0)
4862 * @sleep_ok: if true we may sleep while awaiting command completion
4863 *
4864 * Access TP indirect registers through LDST
4865 **/
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)4866 static int t4_tp_fw_ldst_rw(struct adapter *adap, int cmd, u32 *vals,
4867 unsigned int nregs, unsigned int start_index,
4868 unsigned int rw, bool sleep_ok)
4869 {
4870 int ret = 0;
4871 unsigned int i;
4872 struct fw_ldst_cmd c;
4873
4874 for (i = 0; i < nregs; i++) {
4875 memset(&c, 0, sizeof(c));
4876 c.op_to_addrspace = cpu_to_be32(V_FW_CMD_OP(FW_LDST_CMD) |
4877 F_FW_CMD_REQUEST |
4878 (rw ? F_FW_CMD_READ :
4879 F_FW_CMD_WRITE) |
4880 V_FW_LDST_CMD_ADDRSPACE(cmd));
4881 c.cycles_to_len16 = cpu_to_be32(FW_LEN16(c));
4882
4883 c.u.addrval.addr = cpu_to_be32(start_index + i);
4884 c.u.addrval.val = rw ? 0 : cpu_to_be32(vals[i]);
4885 ret = t4_wr_mbox_meat(adap, adap->mbox, &c, sizeof(c), &c,
4886 sleep_ok);
4887 if (ret)
4888 return ret;
4889
4890 if (rw)
4891 vals[i] = be32_to_cpu(c.u.addrval.val);
4892 }
4893 return 0;
4894 }
4895
4896 /**
4897 * t4_tp_indirect_rw - Read/Write TP indirect register through LDST or backdoor
4898 * @adap: the adapter
4899 * @reg_addr: Address Register
4900 * @reg_data: Data register
4901 * @buff: where the indirect register values are stored/written
4902 * @nregs: how many indirect registers to read/write
4903 * @start_index: index of first indirect register to read/write
4904 * @rw: READ(1) or WRITE(0)
4905 * @sleep_ok: if true we may sleep while awaiting command completion
4906 *
4907 * Read/Write TP indirect registers through LDST if possible.
4908 * Else, use backdoor access
4909 **/
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)4910 static void t4_tp_indirect_rw(struct adapter *adap, u32 reg_addr, u32 reg_data,
4911 u32 *buff, u32 nregs, u32 start_index, int rw,
4912 bool sleep_ok)
4913 {
4914 int rc = -EINVAL;
4915 int cmd;
4916
4917 switch (reg_addr) {
4918 case A_TP_PIO_ADDR:
4919 cmd = FW_LDST_ADDRSPC_TP_PIO;
4920 break;
4921 case A_TP_TM_PIO_ADDR:
4922 cmd = FW_LDST_ADDRSPC_TP_TM_PIO;
4923 break;
4924 case A_TP_MIB_INDEX:
4925 cmd = FW_LDST_ADDRSPC_TP_MIB;
4926 break;
4927 default:
4928 goto indirect_access;
4929 }
4930
4931 if (t4_use_ldst(adap))
4932 rc = t4_tp_fw_ldst_rw(adap, cmd, buff, nregs, start_index, rw,
4933 sleep_ok);
4934
4935 indirect_access:
4936
4937 if (rc) {
4938 if (rw)
4939 t4_read_indirect(adap, reg_addr, reg_data, buff, nregs,
4940 start_index);
4941 else
4942 t4_write_indirect(adap, reg_addr, reg_data, buff, nregs,
4943 start_index);
4944 }
4945 }
4946
4947 /**
4948 * t4_tp_pio_read - Read TP PIO registers
4949 * @adap: the adapter
4950 * @buff: where the indirect register values are written
4951 * @nregs: how many indirect registers to read
4952 * @start_index: index of first indirect register to read
4953 * @sleep_ok: if true we may sleep while awaiting command completion
4954 *
4955 * Read TP PIO Registers
4956 **/
t4_tp_pio_read(struct adapter * adap,u32 * buff,u32 nregs,u32 start_index,bool sleep_ok)4957 void t4_tp_pio_read(struct adapter *adap, u32 *buff, u32 nregs,
4958 u32 start_index, bool sleep_ok)
4959 {
4960 t4_tp_indirect_rw(adap, A_TP_PIO_ADDR, A_TP_PIO_DATA, buff, nregs,
4961 start_index, 1, sleep_ok);
4962 }
4963
4964 /**
4965 * t4_tp_pio_write - Write TP PIO registers
4966 * @adap: the adapter
4967 * @buff: where the indirect register values are stored
4968 * @nregs: how many indirect registers to write
4969 * @start_index: index of first indirect register to write
4970 * @sleep_ok: if true we may sleep while awaiting command completion
4971 *
4972 * Write TP PIO Registers
4973 **/
t4_tp_pio_write(struct adapter * adap,const u32 * buff,u32 nregs,u32 start_index,bool sleep_ok)4974 void t4_tp_pio_write(struct adapter *adap, const u32 *buff, u32 nregs,
4975 u32 start_index, bool sleep_ok)
4976 {
4977 t4_tp_indirect_rw(adap, A_TP_PIO_ADDR, A_TP_PIO_DATA,
4978 __DECONST(u32 *, buff), nregs, start_index, 0, sleep_ok);
4979 }
4980
4981 /**
4982 * t4_tp_tm_pio_read - Read TP TM PIO registers
4983 * @adap: the adapter
4984 * @buff: where the indirect register values are written
4985 * @nregs: how many indirect registers to read
4986 * @start_index: index of first indirect register to read
4987 * @sleep_ok: if true we may sleep while awaiting command completion
4988 *
4989 * Read TP TM PIO Registers
4990 **/
t4_tp_tm_pio_read(struct adapter * adap,u32 * buff,u32 nregs,u32 start_index,bool sleep_ok)4991 void t4_tp_tm_pio_read(struct adapter *adap, u32 *buff, u32 nregs,
4992 u32 start_index, bool sleep_ok)
4993 {
4994 t4_tp_indirect_rw(adap, A_TP_TM_PIO_ADDR, A_TP_TM_PIO_DATA, buff,
4995 nregs, start_index, 1, sleep_ok);
4996 }
4997
4998 /**
4999 * t4_tp_mib_read - Read TP MIB registers
5000 * @adap: the adapter
5001 * @buff: where the indirect register values are written
5002 * @nregs: how many indirect registers to read
5003 * @start_index: index of first indirect register to read
5004 * @sleep_ok: if true we may sleep while awaiting command completion
5005 *
5006 * Read TP MIB Registers
5007 **/
t4_tp_mib_read(struct adapter * adap,u32 * buff,u32 nregs,u32 start_index,bool sleep_ok)5008 void t4_tp_mib_read(struct adapter *adap, u32 *buff, u32 nregs, u32 start_index,
5009 bool sleep_ok)
5010 {
5011 t4_tp_indirect_rw(adap, A_TP_MIB_INDEX, A_TP_MIB_DATA, buff, nregs,
5012 start_index, 1, sleep_ok);
5013 }
5014
5015 /**
5016 * t4_read_rss_key - read the global RSS key
5017 * @adap: the adapter
5018 * @key: 10-entry array holding the 320-bit RSS key
5019 * @sleep_ok: if true we may sleep while awaiting command completion
5020 *
5021 * Reads the global 320-bit RSS key.
5022 */
t4_read_rss_key(struct adapter * adap,u32 * key,bool sleep_ok)5023 void t4_read_rss_key(struct adapter *adap, u32 *key, bool sleep_ok)
5024 {
5025 t4_tp_pio_read(adap, key, 10, A_TP_RSS_SECRET_KEY0, sleep_ok);
5026 }
5027
5028 /**
5029 * t4_write_rss_key - program one of the RSS keys
5030 * @adap: the adapter
5031 * @key: 10-entry array holding the 320-bit RSS key
5032 * @idx: which RSS key to write
5033 * @sleep_ok: if true we may sleep while awaiting command completion
5034 *
5035 * Writes one of the RSS keys with the given 320-bit value. If @idx is
5036 * 0..15 the corresponding entry in the RSS key table is written,
5037 * otherwise the global RSS key is written.
5038 */
t4_write_rss_key(struct adapter * adap,const u32 * key,int idx,bool sleep_ok)5039 void t4_write_rss_key(struct adapter *adap, const u32 *key, int idx,
5040 bool sleep_ok)
5041 {
5042 u8 rss_key_addr_cnt = 16;
5043 u32 vrt = t4_read_reg(adap, A_TP_RSS_CONFIG_VRT);
5044
5045 /*
5046 * T6 and later: for KeyMode 3 (per-vf and per-vf scramble),
5047 * allows access to key addresses 16-63 by using KeyWrAddrX
5048 * as index[5:4](upper 2) into key table
5049 */
5050 if ((chip_id(adap) > CHELSIO_T5) &&
5051 (vrt & F_KEYEXTEND) && (G_KEYMODE(vrt) == 3))
5052 rss_key_addr_cnt = 32;
5053
5054 t4_tp_pio_write(adap, key, 10, A_TP_RSS_SECRET_KEY0, sleep_ok);
5055
5056 if (idx >= 0 && idx < rss_key_addr_cnt) {
5057 if (rss_key_addr_cnt > 16)
5058 t4_write_reg(adap, A_TP_RSS_CONFIG_VRT,
5059 vrt | V_KEYWRADDRX(idx >> 4) |
5060 V_T6_VFWRADDR(idx) | F_KEYWREN);
5061 else
5062 t4_write_reg(adap, A_TP_RSS_CONFIG_VRT,
5063 vrt| V_KEYWRADDR(idx) | F_KEYWREN);
5064 }
5065 }
5066
5067 /**
5068 * t4_read_rss_pf_config - read PF RSS Configuration Table
5069 * @adapter: the adapter
5070 * @index: the entry in the PF RSS table to read
5071 * @valp: where to store the returned value
5072 * @sleep_ok: if true we may sleep while awaiting command completion
5073 *
5074 * Reads the PF RSS Configuration Table at the specified index and returns
5075 * the value found there.
5076 */
t4_read_rss_pf_config(struct adapter * adapter,unsigned int index,u32 * valp,bool sleep_ok)5077 void t4_read_rss_pf_config(struct adapter *adapter, unsigned int index,
5078 u32 *valp, bool sleep_ok)
5079 {
5080 t4_tp_pio_read(adapter, valp, 1, A_TP_RSS_PF0_CONFIG + index, sleep_ok);
5081 }
5082
5083 /**
5084 * t4_write_rss_pf_config - write PF RSS Configuration Table
5085 * @adapter: the adapter
5086 * @index: the entry in the VF RSS table to read
5087 * @val: the value to store
5088 * @sleep_ok: if true we may sleep while awaiting command completion
5089 *
5090 * Writes the PF RSS Configuration Table at the specified index with the
5091 * specified value.
5092 */
t4_write_rss_pf_config(struct adapter * adapter,unsigned int index,u32 val,bool sleep_ok)5093 void t4_write_rss_pf_config(struct adapter *adapter, unsigned int index,
5094 u32 val, bool sleep_ok)
5095 {
5096 t4_tp_pio_write(adapter, &val, 1, A_TP_RSS_PF0_CONFIG + index,
5097 sleep_ok);
5098 }
5099
5100 /**
5101 * t4_read_rss_vf_config - read VF RSS Configuration Table
5102 * @adapter: the adapter
5103 * @index: the entry in the VF RSS table to read
5104 * @vfl: where to store the returned VFL
5105 * @vfh: where to store the returned VFH
5106 * @sleep_ok: if true we may sleep while awaiting command completion
5107 *
5108 * Reads the VF RSS Configuration Table at the specified index and returns
5109 * the (VFL, VFH) values found there.
5110 */
t4_read_rss_vf_config(struct adapter * adapter,unsigned int index,u32 * vfl,u32 * vfh,bool sleep_ok)5111 void t4_read_rss_vf_config(struct adapter *adapter, unsigned int index,
5112 u32 *vfl, u32 *vfh, bool sleep_ok)
5113 {
5114 u32 vrt, mask, data;
5115
5116 if (chip_id(adapter) <= CHELSIO_T5) {
5117 mask = V_VFWRADDR(M_VFWRADDR);
5118 data = V_VFWRADDR(index);
5119 } else {
5120 mask = V_T6_VFWRADDR(M_T6_VFWRADDR);
5121 data = V_T6_VFWRADDR(index);
5122 }
5123 /*
5124 * Request that the index'th VF Table values be read into VFL/VFH.
5125 */
5126 vrt = t4_read_reg(adapter, A_TP_RSS_CONFIG_VRT);
5127 vrt &= ~(F_VFRDRG | F_VFWREN | F_KEYWREN | mask);
5128 vrt |= data | F_VFRDEN;
5129 t4_write_reg(adapter, A_TP_RSS_CONFIG_VRT, vrt);
5130
5131 /*
5132 * Grab the VFL/VFH values ...
5133 */
5134 t4_tp_pio_read(adapter, vfl, 1, A_TP_RSS_VFL_CONFIG, sleep_ok);
5135 t4_tp_pio_read(adapter, vfh, 1, A_TP_RSS_VFH_CONFIG, sleep_ok);
5136 }
5137
5138 /**
5139 * t4_write_rss_vf_config - write VF RSS Configuration Table
5140 *
5141 * @adapter: the adapter
5142 * @index: the entry in the VF RSS table to write
5143 * @vfl: the VFL to store
5144 * @vfh: the VFH to store
5145 *
5146 * Writes the VF RSS Configuration Table at the specified index with the
5147 * specified (VFL, VFH) values.
5148 */
t4_write_rss_vf_config(struct adapter * adapter,unsigned int index,u32 vfl,u32 vfh,bool sleep_ok)5149 void t4_write_rss_vf_config(struct adapter *adapter, unsigned int index,
5150 u32 vfl, u32 vfh, bool sleep_ok)
5151 {
5152 u32 vrt, mask, data;
5153
5154 if (chip_id(adapter) <= CHELSIO_T5) {
5155 mask = V_VFWRADDR(M_VFWRADDR);
5156 data = V_VFWRADDR(index);
5157 } else {
5158 mask = V_T6_VFWRADDR(M_T6_VFWRADDR);
5159 data = V_T6_VFWRADDR(index);
5160 }
5161
5162 /*
5163 * Load up VFL/VFH with the values to be written ...
5164 */
5165 t4_tp_pio_write(adapter, &vfl, 1, A_TP_RSS_VFL_CONFIG, sleep_ok);
5166 t4_tp_pio_write(adapter, &vfh, 1, A_TP_RSS_VFH_CONFIG, sleep_ok);
5167
5168 /*
5169 * Write the VFL/VFH into the VF Table at index'th location.
5170 */
5171 vrt = t4_read_reg(adapter, A_TP_RSS_CONFIG_VRT);
5172 vrt &= ~(F_VFRDRG | F_VFWREN | F_KEYWREN | mask);
5173 vrt |= data | F_VFRDEN;
5174 t4_write_reg(adapter, A_TP_RSS_CONFIG_VRT, vrt);
5175 }
5176
5177 /**
5178 * t4_read_rss_pf_map - read PF RSS Map
5179 * @adapter: the adapter
5180 * @sleep_ok: if true we may sleep while awaiting command completion
5181 *
5182 * Reads the PF RSS Map register and returns its value.
5183 */
t4_read_rss_pf_map(struct adapter * adapter,bool sleep_ok)5184 u32 t4_read_rss_pf_map(struct adapter *adapter, bool sleep_ok)
5185 {
5186 u32 pfmap;
5187
5188 t4_tp_pio_read(adapter, &pfmap, 1, A_TP_RSS_PF_MAP, sleep_ok);
5189
5190 return pfmap;
5191 }
5192
5193 /**
5194 * t4_write_rss_pf_map - write PF RSS Map
5195 * @adapter: the adapter
5196 * @pfmap: PF RSS Map value
5197 *
5198 * Writes the specified value to the PF RSS Map register.
5199 */
t4_write_rss_pf_map(struct adapter * adapter,u32 pfmap,bool sleep_ok)5200 void t4_write_rss_pf_map(struct adapter *adapter, u32 pfmap, bool sleep_ok)
5201 {
5202 t4_tp_pio_write(adapter, &pfmap, 1, A_TP_RSS_PF_MAP, sleep_ok);
5203 }
5204
5205 /**
5206 * t4_read_rss_pf_mask - read PF RSS Mask
5207 * @adapter: the adapter
5208 * @sleep_ok: if true we may sleep while awaiting command completion
5209 *
5210 * Reads the PF RSS Mask register and returns its value.
5211 */
t4_read_rss_pf_mask(struct adapter * adapter,bool sleep_ok)5212 u32 t4_read_rss_pf_mask(struct adapter *adapter, bool sleep_ok)
5213 {
5214 u32 pfmask;
5215
5216 t4_tp_pio_read(adapter, &pfmask, 1, A_TP_RSS_PF_MSK, sleep_ok);
5217
5218 return pfmask;
5219 }
5220
5221 /**
5222 * t4_write_rss_pf_mask - write PF RSS Mask
5223 * @adapter: the adapter
5224 * @pfmask: PF RSS Mask value
5225 *
5226 * Writes the specified value to the PF RSS Mask register.
5227 */
t4_write_rss_pf_mask(struct adapter * adapter,u32 pfmask,bool sleep_ok)5228 void t4_write_rss_pf_mask(struct adapter *adapter, u32 pfmask, bool sleep_ok)
5229 {
5230 t4_tp_pio_write(adapter, &pfmask, 1, A_TP_RSS_PF_MSK, sleep_ok);
5231 }
5232
5233 /**
5234 * t4_tp_get_tcp_stats - read TP's TCP MIB counters
5235 * @adap: the adapter
5236 * @v4: holds the TCP/IP counter values
5237 * @v6: holds the TCP/IPv6 counter values
5238 * @sleep_ok: if true we may sleep while awaiting command completion
5239 *
5240 * Returns the values of TP's TCP/IP and TCP/IPv6 MIB counters.
5241 * Either @v4 or @v6 may be %NULL to skip the corresponding stats.
5242 */
t4_tp_get_tcp_stats(struct adapter * adap,struct tp_tcp_stats * v4,struct tp_tcp_stats * v6,bool sleep_ok)5243 void t4_tp_get_tcp_stats(struct adapter *adap, struct tp_tcp_stats *v4,
5244 struct tp_tcp_stats *v6, bool sleep_ok)
5245 {
5246 u32 val[A_TP_MIB_TCP_RXT_SEG_LO - A_TP_MIB_TCP_OUT_RST + 1];
5247
5248 #define STAT_IDX(x) ((A_TP_MIB_TCP_##x) - A_TP_MIB_TCP_OUT_RST)
5249 #define STAT(x) val[STAT_IDX(x)]
5250 #define STAT64(x) (((u64)STAT(x##_HI) << 32) | STAT(x##_LO))
5251
5252 if (v4) {
5253 t4_tp_mib_read(adap, val, ARRAY_SIZE(val),
5254 A_TP_MIB_TCP_OUT_RST, sleep_ok);
5255 v4->tcp_out_rsts = STAT(OUT_RST);
5256 v4->tcp_in_segs = STAT64(IN_SEG);
5257 v4->tcp_out_segs = STAT64(OUT_SEG);
5258 v4->tcp_retrans_segs = STAT64(RXT_SEG);
5259 }
5260 if (v6) {
5261 t4_tp_mib_read(adap, val, ARRAY_SIZE(val),
5262 A_TP_MIB_TCP_V6OUT_RST, sleep_ok);
5263 v6->tcp_out_rsts = STAT(OUT_RST);
5264 v6->tcp_in_segs = STAT64(IN_SEG);
5265 v6->tcp_out_segs = STAT64(OUT_SEG);
5266 v6->tcp_retrans_segs = STAT64(RXT_SEG);
5267 }
5268 #undef STAT64
5269 #undef STAT
5270 #undef STAT_IDX
5271 }
5272
5273 /**
5274 * t4_tp_get_err_stats - read TP's error MIB counters
5275 * @adap: the adapter
5276 * @st: holds the counter values
5277 * @sleep_ok: if true we may sleep while awaiting command completion
5278 *
5279 * Returns the values of TP's error counters.
5280 */
t4_tp_get_err_stats(struct adapter * adap,struct tp_err_stats * st,bool sleep_ok)5281 void t4_tp_get_err_stats(struct adapter *adap, struct tp_err_stats *st,
5282 bool sleep_ok)
5283 {
5284 int nchan = adap->chip_params->nchan;
5285
5286 t4_tp_mib_read(adap, st->mac_in_errs, nchan, A_TP_MIB_MAC_IN_ERR_0,
5287 sleep_ok);
5288
5289 t4_tp_mib_read(adap, st->hdr_in_errs, nchan, A_TP_MIB_HDR_IN_ERR_0,
5290 sleep_ok);
5291
5292 t4_tp_mib_read(adap, st->tcp_in_errs, nchan, A_TP_MIB_TCP_IN_ERR_0,
5293 sleep_ok);
5294
5295 t4_tp_mib_read(adap, st->tnl_cong_drops, nchan,
5296 A_TP_MIB_TNL_CNG_DROP_0, sleep_ok);
5297
5298 t4_tp_mib_read(adap, st->ofld_chan_drops, nchan,
5299 A_TP_MIB_OFD_CHN_DROP_0, sleep_ok);
5300
5301 t4_tp_mib_read(adap, st->tnl_tx_drops, nchan, A_TP_MIB_TNL_DROP_0,
5302 sleep_ok);
5303
5304 t4_tp_mib_read(adap, st->ofld_vlan_drops, nchan,
5305 A_TP_MIB_OFD_VLN_DROP_0, sleep_ok);
5306
5307 t4_tp_mib_read(adap, st->tcp6_in_errs, nchan,
5308 A_TP_MIB_TCP_V6IN_ERR_0, sleep_ok);
5309
5310 t4_tp_mib_read(adap, &st->ofld_no_neigh, 2, A_TP_MIB_OFD_ARP_DROP,
5311 sleep_ok);
5312 }
5313
5314 /**
5315 * t4_tp_get_proxy_stats - read TP's proxy MIB counters
5316 * @adap: the adapter
5317 * @st: holds the counter values
5318 *
5319 * Returns the values of TP's proxy counters.
5320 */
t4_tp_get_proxy_stats(struct adapter * adap,struct tp_proxy_stats * st,bool sleep_ok)5321 void t4_tp_get_proxy_stats(struct adapter *adap, struct tp_proxy_stats *st,
5322 bool sleep_ok)
5323 {
5324 int nchan = adap->chip_params->nchan;
5325
5326 t4_tp_mib_read(adap, st->proxy, nchan, A_TP_MIB_TNL_LPBK_0, sleep_ok);
5327 }
5328
5329 /**
5330 * t4_tp_get_cpl_stats - read TP's CPL MIB counters
5331 * @adap: the adapter
5332 * @st: holds the counter values
5333 * @sleep_ok: if true we may sleep while awaiting command completion
5334 *
5335 * Returns the values of TP's CPL counters.
5336 */
t4_tp_get_cpl_stats(struct adapter * adap,struct tp_cpl_stats * st,bool sleep_ok)5337 void t4_tp_get_cpl_stats(struct adapter *adap, struct tp_cpl_stats *st,
5338 bool sleep_ok)
5339 {
5340 int nchan = adap->chip_params->nchan;
5341
5342 t4_tp_mib_read(adap, st->req, nchan, A_TP_MIB_CPL_IN_REQ_0, sleep_ok);
5343
5344 t4_tp_mib_read(adap, st->rsp, nchan, A_TP_MIB_CPL_OUT_RSP_0, sleep_ok);
5345 }
5346
5347 /**
5348 * t4_tp_get_rdma_stats - read TP's RDMA MIB counters
5349 * @adap: the adapter
5350 * @st: holds the counter values
5351 *
5352 * Returns the values of TP's RDMA counters.
5353 */
t4_tp_get_rdma_stats(struct adapter * adap,struct tp_rdma_stats * st,bool sleep_ok)5354 void t4_tp_get_rdma_stats(struct adapter *adap, struct tp_rdma_stats *st,
5355 bool sleep_ok)
5356 {
5357 t4_tp_mib_read(adap, &st->rqe_dfr_pkt, 2, A_TP_MIB_RQE_DFR_PKT,
5358 sleep_ok);
5359 }
5360
5361 /**
5362 * t4_get_fcoe_stats - read TP's FCoE MIB counters for a port
5363 * @adap: the adapter
5364 * @idx: the port index
5365 * @st: holds the counter values
5366 * @sleep_ok: if true we may sleep while awaiting command completion
5367 *
5368 * Returns the values of TP's FCoE counters for the selected port.
5369 */
t4_get_fcoe_stats(struct adapter * adap,unsigned int idx,struct tp_fcoe_stats * st,bool sleep_ok)5370 void t4_get_fcoe_stats(struct adapter *adap, unsigned int idx,
5371 struct tp_fcoe_stats *st, bool sleep_ok)
5372 {
5373 u32 val[2];
5374
5375 t4_tp_mib_read(adap, &st->frames_ddp, 1, A_TP_MIB_FCOE_DDP_0 + idx,
5376 sleep_ok);
5377
5378 t4_tp_mib_read(adap, &st->frames_drop, 1,
5379 A_TP_MIB_FCOE_DROP_0 + idx, sleep_ok);
5380
5381 t4_tp_mib_read(adap, val, 2, A_TP_MIB_FCOE_BYTE_0_HI + 2 * idx,
5382 sleep_ok);
5383
5384 st->octets_ddp = ((u64)val[0] << 32) | val[1];
5385 }
5386
5387 /**
5388 * t4_get_usm_stats - read TP's non-TCP DDP MIB counters
5389 * @adap: the adapter
5390 * @st: holds the counter values
5391 * @sleep_ok: if true we may sleep while awaiting command completion
5392 *
5393 * Returns the values of TP's counters for non-TCP directly-placed packets.
5394 */
t4_get_usm_stats(struct adapter * adap,struct tp_usm_stats * st,bool sleep_ok)5395 void t4_get_usm_stats(struct adapter *adap, struct tp_usm_stats *st,
5396 bool sleep_ok)
5397 {
5398 u32 val[4];
5399
5400 t4_tp_mib_read(adap, val, 4, A_TP_MIB_USM_PKTS, sleep_ok);
5401
5402 st->frames = val[0];
5403 st->drops = val[1];
5404 st->octets = ((u64)val[2] << 32) | val[3];
5405 }
5406
5407 /**
5408 * t4_read_mtu_tbl - returns the values in the HW path MTU table
5409 * @adap: the adapter
5410 * @mtus: where to store the MTU values
5411 * @mtu_log: where to store the MTU base-2 log (may be %NULL)
5412 *
5413 * Reads the HW path MTU table.
5414 */
t4_read_mtu_tbl(struct adapter * adap,u16 * mtus,u8 * mtu_log)5415 void t4_read_mtu_tbl(struct adapter *adap, u16 *mtus, u8 *mtu_log)
5416 {
5417 u32 v;
5418 int i;
5419
5420 for (i = 0; i < NMTUS; ++i) {
5421 t4_write_reg(adap, A_TP_MTU_TABLE,
5422 V_MTUINDEX(0xff) | V_MTUVALUE(i));
5423 v = t4_read_reg(adap, A_TP_MTU_TABLE);
5424 mtus[i] = G_MTUVALUE(v);
5425 if (mtu_log)
5426 mtu_log[i] = G_MTUWIDTH(v);
5427 }
5428 }
5429
5430 /**
5431 * t4_read_cong_tbl - reads the congestion control table
5432 * @adap: the adapter
5433 * @incr: where to store the alpha values
5434 *
5435 * Reads the additive increments programmed into the HW congestion
5436 * control table.
5437 */
t4_read_cong_tbl(struct adapter * adap,u16 incr[NMTUS][NCCTRL_WIN])5438 void t4_read_cong_tbl(struct adapter *adap, u16 incr[NMTUS][NCCTRL_WIN])
5439 {
5440 unsigned int mtu, w;
5441
5442 for (mtu = 0; mtu < NMTUS; ++mtu)
5443 for (w = 0; w < NCCTRL_WIN; ++w) {
5444 t4_write_reg(adap, A_TP_CCTRL_TABLE,
5445 V_ROWINDEX(0xffff) | (mtu << 5) | w);
5446 incr[mtu][w] = (u16)t4_read_reg(adap,
5447 A_TP_CCTRL_TABLE) & 0x1fff;
5448 }
5449 }
5450
5451 /**
5452 * t4_tp_wr_bits_indirect - set/clear bits in an indirect TP register
5453 * @adap: the adapter
5454 * @addr: the indirect TP register address
5455 * @mask: specifies the field within the register to modify
5456 * @val: new value for the field
5457 *
5458 * Sets a field of an indirect TP register to the given value.
5459 */
t4_tp_wr_bits_indirect(struct adapter * adap,unsigned int addr,unsigned int mask,unsigned int val)5460 void t4_tp_wr_bits_indirect(struct adapter *adap, unsigned int addr,
5461 unsigned int mask, unsigned int val)
5462 {
5463 t4_write_reg(adap, A_TP_PIO_ADDR, addr);
5464 val |= t4_read_reg(adap, A_TP_PIO_DATA) & ~mask;
5465 t4_write_reg(adap, A_TP_PIO_DATA, val);
5466 }
5467
5468 /**
5469 * init_cong_ctrl - initialize congestion control parameters
5470 * @a: the alpha values for congestion control
5471 * @b: the beta values for congestion control
5472 *
5473 * Initialize the congestion control parameters.
5474 */
init_cong_ctrl(unsigned short * a,unsigned short * b)5475 static void init_cong_ctrl(unsigned short *a, unsigned short *b)
5476 {
5477 a[0] = a[1] = a[2] = a[3] = a[4] = a[5] = a[6] = a[7] = a[8] = 1;
5478 a[9] = 2;
5479 a[10] = 3;
5480 a[11] = 4;
5481 a[12] = 5;
5482 a[13] = 6;
5483 a[14] = 7;
5484 a[15] = 8;
5485 a[16] = 9;
5486 a[17] = 10;
5487 a[18] = 14;
5488 a[19] = 17;
5489 a[20] = 21;
5490 a[21] = 25;
5491 a[22] = 30;
5492 a[23] = 35;
5493 a[24] = 45;
5494 a[25] = 60;
5495 a[26] = 80;
5496 a[27] = 100;
5497 a[28] = 200;
5498 a[29] = 300;
5499 a[30] = 400;
5500 a[31] = 500;
5501
5502 b[0] = b[1] = b[2] = b[3] = b[4] = b[5] = b[6] = b[7] = b[8] = 0;
5503 b[9] = b[10] = 1;
5504 b[11] = b[12] = 2;
5505 b[13] = b[14] = b[15] = b[16] = 3;
5506 b[17] = b[18] = b[19] = b[20] = b[21] = 4;
5507 b[22] = b[23] = b[24] = b[25] = b[26] = b[27] = 5;
5508 b[28] = b[29] = 6;
5509 b[30] = b[31] = 7;
5510 }
5511
5512 /* The minimum additive increment value for the congestion control table */
5513 #define CC_MIN_INCR 2U
5514
5515 /**
5516 * t4_load_mtus - write the MTU and congestion control HW tables
5517 * @adap: the adapter
5518 * @mtus: the values for the MTU table
5519 * @alpha: the values for the congestion control alpha parameter
5520 * @beta: the values for the congestion control beta parameter
5521 *
5522 * Write the HW MTU table with the supplied MTUs and the high-speed
5523 * congestion control table with the supplied alpha, beta, and MTUs.
5524 * We write the two tables together because the additive increments
5525 * depend on the MTUs.
5526 */
t4_load_mtus(struct adapter * adap,const unsigned short * mtus,const unsigned short * alpha,const unsigned short * beta)5527 void t4_load_mtus(struct adapter *adap, const unsigned short *mtus,
5528 const unsigned short *alpha, const unsigned short *beta)
5529 {
5530 static const unsigned int avg_pkts[NCCTRL_WIN] = {
5531 2, 6, 10, 14, 20, 28, 40, 56, 80, 112, 160, 224, 320, 448, 640,
5532 896, 1281, 1792, 2560, 3584, 5120, 7168, 10240, 14336, 20480,
5533 28672, 40960, 57344, 81920, 114688, 163840, 229376
5534 };
5535
5536 unsigned int i, w;
5537
5538 for (i = 0; i < NMTUS; ++i) {
5539 unsigned int mtu = mtus[i];
5540 unsigned int log2 = fls(mtu);
5541
5542 if (!(mtu & ((1 << log2) >> 2))) /* round */
5543 log2--;
5544 t4_write_reg(adap, A_TP_MTU_TABLE, V_MTUINDEX(i) |
5545 V_MTUWIDTH(log2) | V_MTUVALUE(mtu));
5546
5547 for (w = 0; w < NCCTRL_WIN; ++w) {
5548 unsigned int inc;
5549
5550 inc = max(((mtu - 40) * alpha[w]) / avg_pkts[w],
5551 CC_MIN_INCR);
5552
5553 t4_write_reg(adap, A_TP_CCTRL_TABLE, (i << 21) |
5554 (w << 16) | (beta[w] << 13) | inc);
5555 }
5556 }
5557 }
5558
5559 /**
5560 * t4_set_pace_tbl - set the pace table
5561 * @adap: the adapter
5562 * @pace_vals: the pace values in microseconds
5563 * @start: index of the first entry in the HW pace table to set
5564 * @n: how many entries to set
5565 *
5566 * Sets (a subset of the) HW pace table.
5567 */
t4_set_pace_tbl(struct adapter * adap,const unsigned int * pace_vals,unsigned int start,unsigned int n)5568 int t4_set_pace_tbl(struct adapter *adap, const unsigned int *pace_vals,
5569 unsigned int start, unsigned int n)
5570 {
5571 unsigned int vals[NTX_SCHED], i;
5572 unsigned int tick_ns = dack_ticks_to_usec(adap, 1000);
5573
5574 if (n > NTX_SCHED)
5575 return -ERANGE;
5576
5577 /* convert values from us to dack ticks, rounding to closest value */
5578 for (i = 0; i < n; i++, pace_vals++) {
5579 vals[i] = (1000 * *pace_vals + tick_ns / 2) / tick_ns;
5580 if (vals[i] > 0x7ff)
5581 return -ERANGE;
5582 if (*pace_vals && vals[i] == 0)
5583 return -ERANGE;
5584 }
5585 for (i = 0; i < n; i++, start++)
5586 t4_write_reg(adap, A_TP_PACE_TABLE, (start << 16) | vals[i]);
5587 return 0;
5588 }
5589
5590 /**
5591 * t4_set_sched_bps - set the bit rate for a HW traffic scheduler
5592 * @adap: the adapter
5593 * @kbps: target rate in Kbps
5594 * @sched: the scheduler index
5595 *
5596 * Configure a Tx HW scheduler for the target rate.
5597 */
t4_set_sched_bps(struct adapter * adap,int sched,unsigned int kbps)5598 int t4_set_sched_bps(struct adapter *adap, int sched, unsigned int kbps)
5599 {
5600 unsigned int v, tps, cpt, bpt, delta, mindelta = ~0;
5601 unsigned int clk = adap->params.vpd.cclk * 1000;
5602 unsigned int selected_cpt = 0, selected_bpt = 0;
5603
5604 if (kbps > 0) {
5605 kbps *= 125; /* -> bytes */
5606 for (cpt = 1; cpt <= 255; cpt++) {
5607 tps = clk / cpt;
5608 bpt = (kbps + tps / 2) / tps;
5609 if (bpt > 0 && bpt <= 255) {
5610 v = bpt * tps;
5611 delta = v >= kbps ? v - kbps : kbps - v;
5612 if (delta < mindelta) {
5613 mindelta = delta;
5614 selected_cpt = cpt;
5615 selected_bpt = bpt;
5616 }
5617 } else if (selected_cpt)
5618 break;
5619 }
5620 if (!selected_cpt)
5621 return -EINVAL;
5622 }
5623 t4_write_reg(adap, A_TP_TM_PIO_ADDR,
5624 A_TP_TX_MOD_Q1_Q0_RATE_LIMIT - sched / 2);
5625 v = t4_read_reg(adap, A_TP_TM_PIO_DATA);
5626 if (sched & 1)
5627 v = (v & 0xffff) | (selected_cpt << 16) | (selected_bpt << 24);
5628 else
5629 v = (v & 0xffff0000) | selected_cpt | (selected_bpt << 8);
5630 t4_write_reg(adap, A_TP_TM_PIO_DATA, v);
5631 return 0;
5632 }
5633
5634 /**
5635 * t4_set_sched_ipg - set the IPG for a Tx HW packet rate scheduler
5636 * @adap: the adapter
5637 * @sched: the scheduler index
5638 * @ipg: the interpacket delay in tenths of nanoseconds
5639 *
5640 * Set the interpacket delay for a HW packet rate scheduler.
5641 */
t4_set_sched_ipg(struct adapter * adap,int sched,unsigned int ipg)5642 int t4_set_sched_ipg(struct adapter *adap, int sched, unsigned int ipg)
5643 {
5644 unsigned int v, addr = A_TP_TX_MOD_Q1_Q0_TIMER_SEPARATOR - sched / 2;
5645
5646 /* convert ipg to nearest number of core clocks */
5647 ipg *= core_ticks_per_usec(adap);
5648 ipg = (ipg + 5000) / 10000;
5649 if (ipg > M_TXTIMERSEPQ0)
5650 return -EINVAL;
5651
5652 t4_write_reg(adap, A_TP_TM_PIO_ADDR, addr);
5653 v = t4_read_reg(adap, A_TP_TM_PIO_DATA);
5654 if (sched & 1)
5655 v = (v & V_TXTIMERSEPQ0(M_TXTIMERSEPQ0)) | V_TXTIMERSEPQ1(ipg);
5656 else
5657 v = (v & V_TXTIMERSEPQ1(M_TXTIMERSEPQ1)) | V_TXTIMERSEPQ0(ipg);
5658 t4_write_reg(adap, A_TP_TM_PIO_DATA, v);
5659 t4_read_reg(adap, A_TP_TM_PIO_DATA);
5660 return 0;
5661 }
5662
5663 /*
5664 * Calculates a rate in bytes/s given the number of 256-byte units per 4K core
5665 * clocks. The formula is
5666 *
5667 * bytes/s = bytes256 * 256 * ClkFreq / 4096
5668 *
5669 * which is equivalent to
5670 *
5671 * bytes/s = 62.5 * bytes256 * ClkFreq_ms
5672 */
chan_rate(struct adapter * adap,unsigned int bytes256)5673 static u64 chan_rate(struct adapter *adap, unsigned int bytes256)
5674 {
5675 u64 v = bytes256 * adap->params.vpd.cclk;
5676
5677 return v * 62 + v / 2;
5678 }
5679
5680 /**
5681 * t4_get_chan_txrate - get the current per channel Tx rates
5682 * @adap: the adapter
5683 * @nic_rate: rates for NIC traffic
5684 * @ofld_rate: rates for offloaded traffic
5685 *
5686 * Return the current Tx rates in bytes/s for NIC and offloaded traffic
5687 * for each channel.
5688 */
t4_get_chan_txrate(struct adapter * adap,u64 * nic_rate,u64 * ofld_rate)5689 void t4_get_chan_txrate(struct adapter *adap, u64 *nic_rate, u64 *ofld_rate)
5690 {
5691 u32 v;
5692
5693 v = t4_read_reg(adap, A_TP_TX_TRATE);
5694 nic_rate[0] = chan_rate(adap, G_TNLRATE0(v));
5695 nic_rate[1] = chan_rate(adap, G_TNLRATE1(v));
5696 if (adap->chip_params->nchan > 2) {
5697 nic_rate[2] = chan_rate(adap, G_TNLRATE2(v));
5698 nic_rate[3] = chan_rate(adap, G_TNLRATE3(v));
5699 }
5700
5701 v = t4_read_reg(adap, A_TP_TX_ORATE);
5702 ofld_rate[0] = chan_rate(adap, G_OFDRATE0(v));
5703 ofld_rate[1] = chan_rate(adap, G_OFDRATE1(v));
5704 if (adap->chip_params->nchan > 2) {
5705 ofld_rate[2] = chan_rate(adap, G_OFDRATE2(v));
5706 ofld_rate[3] = chan_rate(adap, G_OFDRATE3(v));
5707 }
5708 }
5709
5710 /**
5711 * t4_set_trace_filter - configure one of the tracing filters
5712 * @adap: the adapter
5713 * @tp: the desired trace filter parameters
5714 * @idx: which filter to configure
5715 * @enable: whether to enable or disable the filter
5716 *
5717 * Configures one of the tracing filters available in HW. If @tp is %NULL
5718 * it indicates that the filter is already written in the register and it
5719 * just needs to be enabled or disabled.
5720 */
t4_set_trace_filter(struct adapter * adap,const struct trace_params * tp,int idx,int enable)5721 int t4_set_trace_filter(struct adapter *adap, const struct trace_params *tp,
5722 int idx, int enable)
5723 {
5724 int i, ofst = idx * 4;
5725 u32 data_reg, mask_reg, cfg;
5726 u32 multitrc = F_TRCMULTIFILTER;
5727 u32 en = is_t4(adap) ? F_TFEN : F_T5_TFEN;
5728
5729 if (idx < 0 || idx >= NTRACE)
5730 return -EINVAL;
5731
5732 if (tp == NULL || !enable) {
5733 t4_set_reg_field(adap, A_MPS_TRC_FILTER_MATCH_CTL_A + ofst, en,
5734 enable ? en : 0);
5735 return 0;
5736 }
5737
5738 /*
5739 * TODO - After T4 data book is updated, specify the exact
5740 * section below.
5741 *
5742 * See T4 data book - MPS section for a complete description
5743 * of the below if..else handling of A_MPS_TRC_CFG register
5744 * value.
5745 */
5746 cfg = t4_read_reg(adap, A_MPS_TRC_CFG);
5747 if (cfg & F_TRCMULTIFILTER) {
5748 /*
5749 * If multiple tracers are enabled, then maximum
5750 * capture size is 2.5KB (FIFO size of a single channel)
5751 * minus 2 flits for CPL_TRACE_PKT header.
5752 */
5753 if (tp->snap_len > ((10 * 1024 / 4) - (2 * 8)))
5754 return -EINVAL;
5755 } else {
5756 /*
5757 * If multiple tracers are disabled, to avoid deadlocks
5758 * maximum packet capture size of 9600 bytes is recommended.
5759 * Also in this mode, only trace0 can be enabled and running.
5760 */
5761 multitrc = 0;
5762 if (tp->snap_len > 9600 || idx)
5763 return -EINVAL;
5764 }
5765
5766 if (tp->port > (is_t4(adap) ? 11 : 19) || tp->invert > 1 ||
5767 tp->skip_len > M_TFLENGTH || tp->skip_ofst > M_TFOFFSET ||
5768 tp->min_len > M_TFMINPKTSIZE)
5769 return -EINVAL;
5770
5771 /* stop the tracer we'll be changing */
5772 t4_set_reg_field(adap, A_MPS_TRC_FILTER_MATCH_CTL_A + ofst, en, 0);
5773
5774 idx *= (A_MPS_TRC_FILTER1_MATCH - A_MPS_TRC_FILTER0_MATCH);
5775 data_reg = A_MPS_TRC_FILTER0_MATCH + idx;
5776 mask_reg = A_MPS_TRC_FILTER0_DONT_CARE + idx;
5777
5778 for (i = 0; i < TRACE_LEN / 4; i++, data_reg += 4, mask_reg += 4) {
5779 t4_write_reg(adap, data_reg, tp->data[i]);
5780 t4_write_reg(adap, mask_reg, ~tp->mask[i]);
5781 }
5782 t4_write_reg(adap, A_MPS_TRC_FILTER_MATCH_CTL_B + ofst,
5783 V_TFCAPTUREMAX(tp->snap_len) |
5784 V_TFMINPKTSIZE(tp->min_len));
5785 t4_write_reg(adap, A_MPS_TRC_FILTER_MATCH_CTL_A + ofst,
5786 V_TFOFFSET(tp->skip_ofst) | V_TFLENGTH(tp->skip_len) | en |
5787 (is_t4(adap) ?
5788 V_TFPORT(tp->port) | V_TFINVERTMATCH(tp->invert) :
5789 V_T5_TFPORT(tp->port) | V_T5_TFINVERTMATCH(tp->invert)));
5790
5791 return 0;
5792 }
5793
5794 /**
5795 * t4_get_trace_filter - query one of the tracing filters
5796 * @adap: the adapter
5797 * @tp: the current trace filter parameters
5798 * @idx: which trace filter to query
5799 * @enabled: non-zero if the filter is enabled
5800 *
5801 * Returns the current settings of one of the HW tracing filters.
5802 */
t4_get_trace_filter(struct adapter * adap,struct trace_params * tp,int idx,int * enabled)5803 void t4_get_trace_filter(struct adapter *adap, struct trace_params *tp, int idx,
5804 int *enabled)
5805 {
5806 u32 ctla, ctlb;
5807 int i, ofst = idx * 4;
5808 u32 data_reg, mask_reg;
5809
5810 ctla = t4_read_reg(adap, A_MPS_TRC_FILTER_MATCH_CTL_A + ofst);
5811 ctlb = t4_read_reg(adap, A_MPS_TRC_FILTER_MATCH_CTL_B + ofst);
5812
5813 if (is_t4(adap)) {
5814 *enabled = !!(ctla & F_TFEN);
5815 tp->port = G_TFPORT(ctla);
5816 tp->invert = !!(ctla & F_TFINVERTMATCH);
5817 } else {
5818 *enabled = !!(ctla & F_T5_TFEN);
5819 tp->port = G_T5_TFPORT(ctla);
5820 tp->invert = !!(ctla & F_T5_TFINVERTMATCH);
5821 }
5822 tp->snap_len = G_TFCAPTUREMAX(ctlb);
5823 tp->min_len = G_TFMINPKTSIZE(ctlb);
5824 tp->skip_ofst = G_TFOFFSET(ctla);
5825 tp->skip_len = G_TFLENGTH(ctla);
5826
5827 ofst = (A_MPS_TRC_FILTER1_MATCH - A_MPS_TRC_FILTER0_MATCH) * idx;
5828 data_reg = A_MPS_TRC_FILTER0_MATCH + ofst;
5829 mask_reg = A_MPS_TRC_FILTER0_DONT_CARE + ofst;
5830
5831 for (i = 0; i < TRACE_LEN / 4; i++, data_reg += 4, mask_reg += 4) {
5832 tp->mask[i] = ~t4_read_reg(adap, mask_reg);
5833 tp->data[i] = t4_read_reg(adap, data_reg) & tp->mask[i];
5834 }
5835 }
5836
5837 /**
5838 * t4_pmtx_get_stats - returns the HW stats from PMTX
5839 * @adap: the adapter
5840 * @cnt: where to store the count statistics
5841 * @cycles: where to store the cycle statistics
5842 *
5843 * Returns performance statistics from PMTX.
5844 */
t4_pmtx_get_stats(struct adapter * adap,u32 cnt[],u64 cycles[])5845 void t4_pmtx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[])
5846 {
5847 int i;
5848 u32 data[2];
5849
5850 for (i = 0; i < adap->chip_params->pm_stats_cnt; i++) {
5851 t4_write_reg(adap, A_PM_TX_STAT_CONFIG, i + 1);
5852 cnt[i] = t4_read_reg(adap, A_PM_TX_STAT_COUNT);
5853 if (is_t4(adap))
5854 cycles[i] = t4_read_reg64(adap, A_PM_TX_STAT_LSB);
5855 else {
5856 t4_read_indirect(adap, A_PM_TX_DBG_CTRL,
5857 A_PM_TX_DBG_DATA, data, 2,
5858 A_PM_TX_DBG_STAT_MSB);
5859 cycles[i] = (((u64)data[0] << 32) | data[1]);
5860 }
5861 }
5862 }
5863
5864 /**
5865 * t4_pmrx_get_stats - returns the HW stats from PMRX
5866 * @adap: the adapter
5867 * @cnt: where to store the count statistics
5868 * @cycles: where to store the cycle statistics
5869 *
5870 * Returns performance statistics from PMRX.
5871 */
t4_pmrx_get_stats(struct adapter * adap,u32 cnt[],u64 cycles[])5872 void t4_pmrx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[])
5873 {
5874 int i;
5875 u32 data[2];
5876
5877 for (i = 0; i < adap->chip_params->pm_stats_cnt; i++) {
5878 t4_write_reg(adap, A_PM_RX_STAT_CONFIG, i + 1);
5879 cnt[i] = t4_read_reg(adap, A_PM_RX_STAT_COUNT);
5880 if (is_t4(adap)) {
5881 cycles[i] = t4_read_reg64(adap, A_PM_RX_STAT_LSB);
5882 } else {
5883 t4_read_indirect(adap, A_PM_RX_DBG_CTRL,
5884 A_PM_RX_DBG_DATA, data, 2,
5885 A_PM_RX_DBG_STAT_MSB);
5886 cycles[i] = (((u64)data[0] << 32) | data[1]);
5887 }
5888 }
5889 }
5890
5891 /**
5892 * t4_get_mps_bg_map - return the buffer groups associated with a port
5893 * @adap: the adapter
5894 * @idx: the port index
5895 *
5896 * Returns a bitmap indicating which MPS buffer groups are associated
5897 * with the given port. Bit i is set if buffer group i is used by the
5898 * port.
5899 */
t4_get_mps_bg_map(struct adapter * adap,int idx)5900 static unsigned int t4_get_mps_bg_map(struct adapter *adap, int idx)
5901 {
5902 u32 n = G_NUMPORTS(t4_read_reg(adap, A_MPS_CMN_CTL));
5903
5904 if (n == 0)
5905 return idx == 0 ? 0xf : 0;
5906 if (n == 1 && chip_id(adap) <= CHELSIO_T5)
5907 return idx < 2 ? (3 << (2 * idx)) : 0;
5908 return 1 << idx;
5909 }
5910
5911 /**
5912 * t4_get_port_type_description - return Port Type string description
5913 * @port_type: firmware Port Type enumeration
5914 */
t4_get_port_type_description(enum fw_port_type port_type)5915 const char *t4_get_port_type_description(enum fw_port_type port_type)
5916 {
5917 static const char *const port_type_description[] = {
5918 "Fiber_XFI",
5919 "Fiber_XAUI",
5920 "BT_SGMII",
5921 "BT_XFI",
5922 "BT_XAUI",
5923 "KX4",
5924 "CX4",
5925 "KX",
5926 "KR",
5927 "SFP",
5928 "BP_AP",
5929 "BP4_AP",
5930 "QSFP_10G",
5931 "QSA",
5932 "QSFP",
5933 "BP40_BA",
5934 "KR4_100G",
5935 "CR4_QSFP",
5936 "CR_QSFP",
5937 "CR2_QSFP",
5938 "SFP28",
5939 "KR_SFP28",
5940 };
5941
5942 if (port_type < ARRAY_SIZE(port_type_description))
5943 return port_type_description[port_type];
5944 return "UNKNOWN";
5945 }
5946
5947 /**
5948 * t4_get_port_stats_offset - collect port stats relative to a previous
5949 * snapshot
5950 * @adap: The adapter
5951 * @idx: The port
5952 * @stats: Current stats to fill
5953 * @offset: Previous stats snapshot
5954 */
t4_get_port_stats_offset(struct adapter * adap,int idx,struct port_stats * stats,struct port_stats * offset)5955 void t4_get_port_stats_offset(struct adapter *adap, int idx,
5956 struct port_stats *stats,
5957 struct port_stats *offset)
5958 {
5959 u64 *s, *o;
5960 int i;
5961
5962 t4_get_port_stats(adap, idx, stats);
5963 for (i = 0, s = (u64 *)stats, o = (u64 *)offset ;
5964 i < (sizeof(struct port_stats)/sizeof(u64)) ;
5965 i++, s++, o++)
5966 *s -= *o;
5967 }
5968
5969 /**
5970 * t4_get_port_stats - collect port statistics
5971 * @adap: the adapter
5972 * @idx: the port index
5973 * @p: the stats structure to fill
5974 *
5975 * Collect statistics related to the given port from HW.
5976 */
t4_get_port_stats(struct adapter * adap,int idx,struct port_stats * p)5977 void t4_get_port_stats(struct adapter *adap, int idx, struct port_stats *p)
5978 {
5979 u32 bgmap = t4_get_mps_bg_map(adap, idx);
5980 u32 stat_ctl = t4_read_reg(adap, A_MPS_STAT_CTL);
5981
5982 #define GET_STAT(name) \
5983 t4_read_reg64(adap, \
5984 (is_t4(adap) ? PORT_REG(idx, A_MPS_PORT_STAT_##name##_L) : \
5985 T5_PORT_REG(idx, A_MPS_PORT_STAT_##name##_L)))
5986 #define GET_STAT_COM(name) t4_read_reg64(adap, A_MPS_STAT_##name##_L)
5987
5988 p->tx_pause = GET_STAT(TX_PORT_PAUSE);
5989 p->tx_octets = GET_STAT(TX_PORT_BYTES);
5990 p->tx_frames = GET_STAT(TX_PORT_FRAMES);
5991 p->tx_bcast_frames = GET_STAT(TX_PORT_BCAST);
5992 p->tx_mcast_frames = GET_STAT(TX_PORT_MCAST);
5993 p->tx_ucast_frames = GET_STAT(TX_PORT_UCAST);
5994 p->tx_error_frames = GET_STAT(TX_PORT_ERROR);
5995 p->tx_frames_64 = GET_STAT(TX_PORT_64B);
5996 p->tx_frames_65_127 = GET_STAT(TX_PORT_65B_127B);
5997 p->tx_frames_128_255 = GET_STAT(TX_PORT_128B_255B);
5998 p->tx_frames_256_511 = GET_STAT(TX_PORT_256B_511B);
5999 p->tx_frames_512_1023 = GET_STAT(TX_PORT_512B_1023B);
6000 p->tx_frames_1024_1518 = GET_STAT(TX_PORT_1024B_1518B);
6001 p->tx_frames_1519_max = GET_STAT(TX_PORT_1519B_MAX);
6002 p->tx_drop = GET_STAT(TX_PORT_DROP);
6003 p->tx_ppp0 = GET_STAT(TX_PORT_PPP0);
6004 p->tx_ppp1 = GET_STAT(TX_PORT_PPP1);
6005 p->tx_ppp2 = GET_STAT(TX_PORT_PPP2);
6006 p->tx_ppp3 = GET_STAT(TX_PORT_PPP3);
6007 p->tx_ppp4 = GET_STAT(TX_PORT_PPP4);
6008 p->tx_ppp5 = GET_STAT(TX_PORT_PPP5);
6009 p->tx_ppp6 = GET_STAT(TX_PORT_PPP6);
6010 p->tx_ppp7 = GET_STAT(TX_PORT_PPP7);
6011
6012 if (chip_id(adap) >= CHELSIO_T5) {
6013 if (stat_ctl & F_COUNTPAUSESTATTX) {
6014 p->tx_frames -= p->tx_pause;
6015 p->tx_octets -= p->tx_pause * 64;
6016 }
6017 if (stat_ctl & F_COUNTPAUSEMCTX)
6018 p->tx_mcast_frames -= p->tx_pause;
6019 }
6020
6021 p->rx_pause = GET_STAT(RX_PORT_PAUSE);
6022 p->rx_octets = GET_STAT(RX_PORT_BYTES);
6023 p->rx_frames = GET_STAT(RX_PORT_FRAMES);
6024 p->rx_bcast_frames = GET_STAT(RX_PORT_BCAST);
6025 p->rx_mcast_frames = GET_STAT(RX_PORT_MCAST);
6026 p->rx_ucast_frames = GET_STAT(RX_PORT_UCAST);
6027 p->rx_too_long = GET_STAT(RX_PORT_MTU_ERROR);
6028 p->rx_jabber = GET_STAT(RX_PORT_MTU_CRC_ERROR);
6029 p->rx_fcs_err = GET_STAT(RX_PORT_CRC_ERROR);
6030 p->rx_len_err = GET_STAT(RX_PORT_LEN_ERROR);
6031 p->rx_symbol_err = GET_STAT(RX_PORT_SYM_ERROR);
6032 p->rx_runt = GET_STAT(RX_PORT_LESS_64B);
6033 p->rx_frames_64 = GET_STAT(RX_PORT_64B);
6034 p->rx_frames_65_127 = GET_STAT(RX_PORT_65B_127B);
6035 p->rx_frames_128_255 = GET_STAT(RX_PORT_128B_255B);
6036 p->rx_frames_256_511 = GET_STAT(RX_PORT_256B_511B);
6037 p->rx_frames_512_1023 = GET_STAT(RX_PORT_512B_1023B);
6038 p->rx_frames_1024_1518 = GET_STAT(RX_PORT_1024B_1518B);
6039 p->rx_frames_1519_max = GET_STAT(RX_PORT_1519B_MAX);
6040 p->rx_ppp0 = GET_STAT(RX_PORT_PPP0);
6041 p->rx_ppp1 = GET_STAT(RX_PORT_PPP1);
6042 p->rx_ppp2 = GET_STAT(RX_PORT_PPP2);
6043 p->rx_ppp3 = GET_STAT(RX_PORT_PPP3);
6044 p->rx_ppp4 = GET_STAT(RX_PORT_PPP4);
6045 p->rx_ppp5 = GET_STAT(RX_PORT_PPP5);
6046 p->rx_ppp6 = GET_STAT(RX_PORT_PPP6);
6047 p->rx_ppp7 = GET_STAT(RX_PORT_PPP7);
6048
6049 if (chip_id(adap) >= CHELSIO_T5) {
6050 if (stat_ctl & F_COUNTPAUSESTATRX) {
6051 p->rx_frames -= p->rx_pause;
6052 p->rx_octets -= p->rx_pause * 64;
6053 }
6054 if (stat_ctl & F_COUNTPAUSEMCRX)
6055 p->rx_mcast_frames -= p->rx_pause;
6056 }
6057
6058 p->rx_ovflow0 = (bgmap & 1) ? GET_STAT_COM(RX_BG_0_MAC_DROP_FRAME) : 0;
6059 p->rx_ovflow1 = (bgmap & 2) ? GET_STAT_COM(RX_BG_1_MAC_DROP_FRAME) : 0;
6060 p->rx_ovflow2 = (bgmap & 4) ? GET_STAT_COM(RX_BG_2_MAC_DROP_FRAME) : 0;
6061 p->rx_ovflow3 = (bgmap & 8) ? GET_STAT_COM(RX_BG_3_MAC_DROP_FRAME) : 0;
6062 p->rx_trunc0 = (bgmap & 1) ? GET_STAT_COM(RX_BG_0_MAC_TRUNC_FRAME) : 0;
6063 p->rx_trunc1 = (bgmap & 2) ? GET_STAT_COM(RX_BG_1_MAC_TRUNC_FRAME) : 0;
6064 p->rx_trunc2 = (bgmap & 4) ? GET_STAT_COM(RX_BG_2_MAC_TRUNC_FRAME) : 0;
6065 p->rx_trunc3 = (bgmap & 8) ? GET_STAT_COM(RX_BG_3_MAC_TRUNC_FRAME) : 0;
6066
6067 #undef GET_STAT
6068 #undef GET_STAT_COM
6069 }
6070
6071 /**
6072 * t4_get_lb_stats - collect loopback port statistics
6073 * @adap: the adapter
6074 * @idx: the loopback port index
6075 * @p: the stats structure to fill
6076 *
6077 * Return HW statistics for the given loopback port.
6078 */
t4_get_lb_stats(struct adapter * adap,int idx,struct lb_port_stats * p)6079 void t4_get_lb_stats(struct adapter *adap, int idx, struct lb_port_stats *p)
6080 {
6081 u32 bgmap = t4_get_mps_bg_map(adap, idx);
6082
6083 #define GET_STAT(name) \
6084 t4_read_reg64(adap, \
6085 (is_t4(adap) ? \
6086 PORT_REG(idx, A_MPS_PORT_STAT_LB_PORT_##name##_L) : \
6087 T5_PORT_REG(idx, A_MPS_PORT_STAT_LB_PORT_##name##_L)))
6088 #define GET_STAT_COM(name) t4_read_reg64(adap, A_MPS_STAT_##name##_L)
6089
6090 p->octets = GET_STAT(BYTES);
6091 p->frames = GET_STAT(FRAMES);
6092 p->bcast_frames = GET_STAT(BCAST);
6093 p->mcast_frames = GET_STAT(MCAST);
6094 p->ucast_frames = GET_STAT(UCAST);
6095 p->error_frames = GET_STAT(ERROR);
6096
6097 p->frames_64 = GET_STAT(64B);
6098 p->frames_65_127 = GET_STAT(65B_127B);
6099 p->frames_128_255 = GET_STAT(128B_255B);
6100 p->frames_256_511 = GET_STAT(256B_511B);
6101 p->frames_512_1023 = GET_STAT(512B_1023B);
6102 p->frames_1024_1518 = GET_STAT(1024B_1518B);
6103 p->frames_1519_max = GET_STAT(1519B_MAX);
6104 p->drop = GET_STAT(DROP_FRAMES);
6105
6106 p->ovflow0 = (bgmap & 1) ? GET_STAT_COM(RX_BG_0_LB_DROP_FRAME) : 0;
6107 p->ovflow1 = (bgmap & 2) ? GET_STAT_COM(RX_BG_1_LB_DROP_FRAME) : 0;
6108 p->ovflow2 = (bgmap & 4) ? GET_STAT_COM(RX_BG_2_LB_DROP_FRAME) : 0;
6109 p->ovflow3 = (bgmap & 8) ? GET_STAT_COM(RX_BG_3_LB_DROP_FRAME) : 0;
6110 p->trunc0 = (bgmap & 1) ? GET_STAT_COM(RX_BG_0_LB_TRUNC_FRAME) : 0;
6111 p->trunc1 = (bgmap & 2) ? GET_STAT_COM(RX_BG_1_LB_TRUNC_FRAME) : 0;
6112 p->trunc2 = (bgmap & 4) ? GET_STAT_COM(RX_BG_2_LB_TRUNC_FRAME) : 0;
6113 p->trunc3 = (bgmap & 8) ? GET_STAT_COM(RX_BG_3_LB_TRUNC_FRAME) : 0;
6114
6115 #undef GET_STAT
6116 #undef GET_STAT_COM
6117 }
6118
6119 /**
6120 * t4_wol_magic_enable - enable/disable magic packet WoL
6121 * @adap: the adapter
6122 * @port: the physical port index
6123 * @addr: MAC address expected in magic packets, %NULL to disable
6124 *
6125 * Enables/disables magic packet wake-on-LAN for the selected port.
6126 */
t4_wol_magic_enable(struct adapter * adap,unsigned int port,const u8 * addr)6127 void t4_wol_magic_enable(struct adapter *adap, unsigned int port,
6128 const u8 *addr)
6129 {
6130 u32 mag_id_reg_l, mag_id_reg_h, port_cfg_reg;
6131
6132 if (is_t4(adap)) {
6133 mag_id_reg_l = PORT_REG(port, A_XGMAC_PORT_MAGIC_MACID_LO);
6134 mag_id_reg_h = PORT_REG(port, A_XGMAC_PORT_MAGIC_MACID_HI);
6135 port_cfg_reg = PORT_REG(port, A_XGMAC_PORT_CFG2);
6136 } else {
6137 mag_id_reg_l = T5_PORT_REG(port, A_MAC_PORT_MAGIC_MACID_LO);
6138 mag_id_reg_h = T5_PORT_REG(port, A_MAC_PORT_MAGIC_MACID_HI);
6139 port_cfg_reg = T5_PORT_REG(port, A_MAC_PORT_CFG2);
6140 }
6141
6142 if (addr) {
6143 t4_write_reg(adap, mag_id_reg_l,
6144 (addr[2] << 24) | (addr[3] << 16) |
6145 (addr[4] << 8) | addr[5]);
6146 t4_write_reg(adap, mag_id_reg_h,
6147 (addr[0] << 8) | addr[1]);
6148 }
6149 t4_set_reg_field(adap, port_cfg_reg, F_MAGICEN,
6150 V_MAGICEN(addr != NULL));
6151 }
6152
6153 /**
6154 * t4_wol_pat_enable - enable/disable pattern-based WoL
6155 * @adap: the adapter
6156 * @port: the physical port index
6157 * @map: bitmap of which HW pattern filters to set
6158 * @mask0: byte mask for bytes 0-63 of a packet
6159 * @mask1: byte mask for bytes 64-127 of a packet
6160 * @crc: Ethernet CRC for selected bytes
6161 * @enable: enable/disable switch
6162 *
6163 * Sets the pattern filters indicated in @map to mask out the bytes
6164 * specified in @mask0/@mask1 in received packets and compare the CRC of
6165 * the resulting packet against @crc. If @enable is %true pattern-based
6166 * WoL is enabled, otherwise disabled.
6167 */
t4_wol_pat_enable(struct adapter * adap,unsigned int port,unsigned int map,u64 mask0,u64 mask1,unsigned int crc,bool enable)6168 int t4_wol_pat_enable(struct adapter *adap, unsigned int port, unsigned int map,
6169 u64 mask0, u64 mask1, unsigned int crc, bool enable)
6170 {
6171 int i;
6172 u32 port_cfg_reg;
6173
6174 if (is_t4(adap))
6175 port_cfg_reg = PORT_REG(port, A_XGMAC_PORT_CFG2);
6176 else
6177 port_cfg_reg = T5_PORT_REG(port, A_MAC_PORT_CFG2);
6178
6179 if (!enable) {
6180 t4_set_reg_field(adap, port_cfg_reg, F_PATEN, 0);
6181 return 0;
6182 }
6183 if (map > 0xff)
6184 return -EINVAL;
6185
6186 #define EPIO_REG(name) \
6187 (is_t4(adap) ? PORT_REG(port, A_XGMAC_PORT_EPIO_##name) : \
6188 T5_PORT_REG(port, A_MAC_PORT_EPIO_##name))
6189
6190 t4_write_reg(adap, EPIO_REG(DATA1), mask0 >> 32);
6191 t4_write_reg(adap, EPIO_REG(DATA2), mask1);
6192 t4_write_reg(adap, EPIO_REG(DATA3), mask1 >> 32);
6193
6194 for (i = 0; i < NWOL_PAT; i++, map >>= 1) {
6195 if (!(map & 1))
6196 continue;
6197
6198 /* write byte masks */
6199 t4_write_reg(adap, EPIO_REG(DATA0), mask0);
6200 t4_write_reg(adap, EPIO_REG(OP), V_ADDRESS(i) | F_EPIOWR);
6201 t4_read_reg(adap, EPIO_REG(OP)); /* flush */
6202 if (t4_read_reg(adap, EPIO_REG(OP)) & F_BUSY)
6203 return -ETIMEDOUT;
6204
6205 /* write CRC */
6206 t4_write_reg(adap, EPIO_REG(DATA0), crc);
6207 t4_write_reg(adap, EPIO_REG(OP), V_ADDRESS(i + 32) | F_EPIOWR);
6208 t4_read_reg(adap, EPIO_REG(OP)); /* flush */
6209 if (t4_read_reg(adap, EPIO_REG(OP)) & F_BUSY)
6210 return -ETIMEDOUT;
6211 }
6212 #undef EPIO_REG
6213
6214 t4_set_reg_field(adap, port_cfg_reg, 0, F_PATEN);
6215 return 0;
6216 }
6217
6218 /* t4_mk_filtdelwr - create a delete filter WR
6219 * @ftid: the filter ID
6220 * @wr: the filter work request to populate
6221 * @qid: ingress queue to receive the delete notification
6222 *
6223 * Creates a filter work request to delete the supplied filter. If @qid is
6224 * negative the delete notification is suppressed.
6225 */
t4_mk_filtdelwr(unsigned int ftid,struct fw_filter_wr * wr,int qid)6226 void t4_mk_filtdelwr(unsigned int ftid, struct fw_filter_wr *wr, int qid)
6227 {
6228 memset(wr, 0, sizeof(*wr));
6229 wr->op_pkd = cpu_to_be32(V_FW_WR_OP(FW_FILTER_WR));
6230 wr->len16_pkd = cpu_to_be32(V_FW_WR_LEN16(sizeof(*wr) / 16));
6231 wr->tid_to_iq = cpu_to_be32(V_FW_FILTER_WR_TID(ftid) |
6232 V_FW_FILTER_WR_NOREPLY(qid < 0));
6233 wr->del_filter_to_l2tix = cpu_to_be32(F_FW_FILTER_WR_DEL_FILTER);
6234 if (qid >= 0)
6235 wr->rx_chan_rx_rpl_iq =
6236 cpu_to_be16(V_FW_FILTER_WR_RX_RPL_IQ(qid));
6237 }
6238
6239 #define INIT_CMD(var, cmd, rd_wr) do { \
6240 (var).op_to_write = cpu_to_be32(V_FW_CMD_OP(FW_##cmd##_CMD) | \
6241 F_FW_CMD_REQUEST | \
6242 F_FW_CMD_##rd_wr); \
6243 (var).retval_len16 = cpu_to_be32(FW_LEN16(var)); \
6244 } while (0)
6245
t4_fwaddrspace_write(struct adapter * adap,unsigned int mbox,u32 addr,u32 val)6246 int t4_fwaddrspace_write(struct adapter *adap, unsigned int mbox,
6247 u32 addr, u32 val)
6248 {
6249 u32 ldst_addrspace;
6250 struct fw_ldst_cmd c;
6251
6252 memset(&c, 0, sizeof(c));
6253 ldst_addrspace = V_FW_LDST_CMD_ADDRSPACE(FW_LDST_ADDRSPC_FIRMWARE);
6254 c.op_to_addrspace = cpu_to_be32(V_FW_CMD_OP(FW_LDST_CMD) |
6255 F_FW_CMD_REQUEST |
6256 F_FW_CMD_WRITE |
6257 ldst_addrspace);
6258 c.cycles_to_len16 = cpu_to_be32(FW_LEN16(c));
6259 c.u.addrval.addr = cpu_to_be32(addr);
6260 c.u.addrval.val = cpu_to_be32(val);
6261
6262 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
6263 }
6264
6265 /**
6266 * t4_mdio_rd - read a PHY register through MDIO
6267 * @adap: the adapter
6268 * @mbox: mailbox to use for the FW command
6269 * @phy_addr: the PHY address
6270 * @mmd: the PHY MMD to access (0 for clause 22 PHYs)
6271 * @reg: the register to read
6272 * @valp: where to store the value
6273 *
6274 * Issues a FW command through the given mailbox to read a PHY register.
6275 */
t4_mdio_rd(struct adapter * adap,unsigned int mbox,unsigned int phy_addr,unsigned int mmd,unsigned int reg,unsigned int * valp)6276 int t4_mdio_rd(struct adapter *adap, unsigned int mbox, unsigned int phy_addr,
6277 unsigned int mmd, unsigned int reg, unsigned int *valp)
6278 {
6279 int ret;
6280 u32 ldst_addrspace;
6281 struct fw_ldst_cmd c;
6282
6283 memset(&c, 0, sizeof(c));
6284 ldst_addrspace = V_FW_LDST_CMD_ADDRSPACE(FW_LDST_ADDRSPC_MDIO);
6285 c.op_to_addrspace = cpu_to_be32(V_FW_CMD_OP(FW_LDST_CMD) |
6286 F_FW_CMD_REQUEST | F_FW_CMD_READ |
6287 ldst_addrspace);
6288 c.cycles_to_len16 = cpu_to_be32(FW_LEN16(c));
6289 c.u.mdio.paddr_mmd = cpu_to_be16(V_FW_LDST_CMD_PADDR(phy_addr) |
6290 V_FW_LDST_CMD_MMD(mmd));
6291 c.u.mdio.raddr = cpu_to_be16(reg);
6292
6293 ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
6294 if (ret == 0)
6295 *valp = be16_to_cpu(c.u.mdio.rval);
6296 return ret;
6297 }
6298
6299 /**
6300 * t4_mdio_wr - write a PHY register through MDIO
6301 * @adap: the adapter
6302 * @mbox: mailbox to use for the FW command
6303 * @phy_addr: the PHY address
6304 * @mmd: the PHY MMD to access (0 for clause 22 PHYs)
6305 * @reg: the register to write
6306 * @valp: value to write
6307 *
6308 * Issues a FW command through the given mailbox to write a PHY register.
6309 */
t4_mdio_wr(struct adapter * adap,unsigned int mbox,unsigned int phy_addr,unsigned int mmd,unsigned int reg,unsigned int val)6310 int t4_mdio_wr(struct adapter *adap, unsigned int mbox, unsigned int phy_addr,
6311 unsigned int mmd, unsigned int reg, unsigned int val)
6312 {
6313 u32 ldst_addrspace;
6314 struct fw_ldst_cmd c;
6315
6316 memset(&c, 0, sizeof(c));
6317 ldst_addrspace = V_FW_LDST_CMD_ADDRSPACE(FW_LDST_ADDRSPC_MDIO);
6318 c.op_to_addrspace = cpu_to_be32(V_FW_CMD_OP(FW_LDST_CMD) |
6319 F_FW_CMD_REQUEST | F_FW_CMD_WRITE |
6320 ldst_addrspace);
6321 c.cycles_to_len16 = cpu_to_be32(FW_LEN16(c));
6322 c.u.mdio.paddr_mmd = cpu_to_be16(V_FW_LDST_CMD_PADDR(phy_addr) |
6323 V_FW_LDST_CMD_MMD(mmd));
6324 c.u.mdio.raddr = cpu_to_be16(reg);
6325 c.u.mdio.rval = cpu_to_be16(val);
6326
6327 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
6328 }
6329
6330 /**
6331 *
6332 * t4_sge_decode_idma_state - decode the idma state
6333 * @adap: the adapter
6334 * @state: the state idma is stuck in
6335 */
t4_sge_decode_idma_state(struct adapter * adapter,int state)6336 void t4_sge_decode_idma_state(struct adapter *adapter, int state)
6337 {
6338 static const char * const t4_decode[] = {
6339 "IDMA_IDLE",
6340 "IDMA_PUSH_MORE_CPL_FIFO",
6341 "IDMA_PUSH_CPL_MSG_HEADER_TO_FIFO",
6342 "Not used",
6343 "IDMA_PHYSADDR_SEND_PCIEHDR",
6344 "IDMA_PHYSADDR_SEND_PAYLOAD_FIRST",
6345 "IDMA_PHYSADDR_SEND_PAYLOAD",
6346 "IDMA_SEND_FIFO_TO_IMSG",
6347 "IDMA_FL_REQ_DATA_FL_PREP",
6348 "IDMA_FL_REQ_DATA_FL",
6349 "IDMA_FL_DROP",
6350 "IDMA_FL_H_REQ_HEADER_FL",
6351 "IDMA_FL_H_SEND_PCIEHDR",
6352 "IDMA_FL_H_PUSH_CPL_FIFO",
6353 "IDMA_FL_H_SEND_CPL",
6354 "IDMA_FL_H_SEND_IP_HDR_FIRST",
6355 "IDMA_FL_H_SEND_IP_HDR",
6356 "IDMA_FL_H_REQ_NEXT_HEADER_FL",
6357 "IDMA_FL_H_SEND_NEXT_PCIEHDR",
6358 "IDMA_FL_H_SEND_IP_HDR_PADDING",
6359 "IDMA_FL_D_SEND_PCIEHDR",
6360 "IDMA_FL_D_SEND_CPL_AND_IP_HDR",
6361 "IDMA_FL_D_REQ_NEXT_DATA_FL",
6362 "IDMA_FL_SEND_PCIEHDR",
6363 "IDMA_FL_PUSH_CPL_FIFO",
6364 "IDMA_FL_SEND_CPL",
6365 "IDMA_FL_SEND_PAYLOAD_FIRST",
6366 "IDMA_FL_SEND_PAYLOAD",
6367 "IDMA_FL_REQ_NEXT_DATA_FL",
6368 "IDMA_FL_SEND_NEXT_PCIEHDR",
6369 "IDMA_FL_SEND_PADDING",
6370 "IDMA_FL_SEND_COMPLETION_TO_IMSG",
6371 "IDMA_FL_SEND_FIFO_TO_IMSG",
6372 "IDMA_FL_REQ_DATAFL_DONE",
6373 "IDMA_FL_REQ_HEADERFL_DONE",
6374 };
6375 static const char * const t5_decode[] = {
6376 "IDMA_IDLE",
6377 "IDMA_ALMOST_IDLE",
6378 "IDMA_PUSH_MORE_CPL_FIFO",
6379 "IDMA_PUSH_CPL_MSG_HEADER_TO_FIFO",
6380 "IDMA_SGEFLRFLUSH_SEND_PCIEHDR",
6381 "IDMA_PHYSADDR_SEND_PCIEHDR",
6382 "IDMA_PHYSADDR_SEND_PAYLOAD_FIRST",
6383 "IDMA_PHYSADDR_SEND_PAYLOAD",
6384 "IDMA_SEND_FIFO_TO_IMSG",
6385 "IDMA_FL_REQ_DATA_FL",
6386 "IDMA_FL_DROP",
6387 "IDMA_FL_DROP_SEND_INC",
6388 "IDMA_FL_H_REQ_HEADER_FL",
6389 "IDMA_FL_H_SEND_PCIEHDR",
6390 "IDMA_FL_H_PUSH_CPL_FIFO",
6391 "IDMA_FL_H_SEND_CPL",
6392 "IDMA_FL_H_SEND_IP_HDR_FIRST",
6393 "IDMA_FL_H_SEND_IP_HDR",
6394 "IDMA_FL_H_REQ_NEXT_HEADER_FL",
6395 "IDMA_FL_H_SEND_NEXT_PCIEHDR",
6396 "IDMA_FL_H_SEND_IP_HDR_PADDING",
6397 "IDMA_FL_D_SEND_PCIEHDR",
6398 "IDMA_FL_D_SEND_CPL_AND_IP_HDR",
6399 "IDMA_FL_D_REQ_NEXT_DATA_FL",
6400 "IDMA_FL_SEND_PCIEHDR",
6401 "IDMA_FL_PUSH_CPL_FIFO",
6402 "IDMA_FL_SEND_CPL",
6403 "IDMA_FL_SEND_PAYLOAD_FIRST",
6404 "IDMA_FL_SEND_PAYLOAD",
6405 "IDMA_FL_REQ_NEXT_DATA_FL",
6406 "IDMA_FL_SEND_NEXT_PCIEHDR",
6407 "IDMA_FL_SEND_PADDING",
6408 "IDMA_FL_SEND_COMPLETION_TO_IMSG",
6409 };
6410 static const char * const t6_decode[] = {
6411 "IDMA_IDLE",
6412 "IDMA_PUSH_MORE_CPL_FIFO",
6413 "IDMA_PUSH_CPL_MSG_HEADER_TO_FIFO",
6414 "IDMA_SGEFLRFLUSH_SEND_PCIEHDR",
6415 "IDMA_PHYSADDR_SEND_PCIEHDR",
6416 "IDMA_PHYSADDR_SEND_PAYLOAD_FIRST",
6417 "IDMA_PHYSADDR_SEND_PAYLOAD",
6418 "IDMA_FL_REQ_DATA_FL",
6419 "IDMA_FL_DROP",
6420 "IDMA_FL_DROP_SEND_INC",
6421 "IDMA_FL_H_REQ_HEADER_FL",
6422 "IDMA_FL_H_SEND_PCIEHDR",
6423 "IDMA_FL_H_PUSH_CPL_FIFO",
6424 "IDMA_FL_H_SEND_CPL",
6425 "IDMA_FL_H_SEND_IP_HDR_FIRST",
6426 "IDMA_FL_H_SEND_IP_HDR",
6427 "IDMA_FL_H_REQ_NEXT_HEADER_FL",
6428 "IDMA_FL_H_SEND_NEXT_PCIEHDR",
6429 "IDMA_FL_H_SEND_IP_HDR_PADDING",
6430 "IDMA_FL_D_SEND_PCIEHDR",
6431 "IDMA_FL_D_SEND_CPL_AND_IP_HDR",
6432 "IDMA_FL_D_REQ_NEXT_DATA_FL",
6433 "IDMA_FL_SEND_PCIEHDR",
6434 "IDMA_FL_PUSH_CPL_FIFO",
6435 "IDMA_FL_SEND_CPL",
6436 "IDMA_FL_SEND_PAYLOAD_FIRST",
6437 "IDMA_FL_SEND_PAYLOAD",
6438 "IDMA_FL_REQ_NEXT_DATA_FL",
6439 "IDMA_FL_SEND_NEXT_PCIEHDR",
6440 "IDMA_FL_SEND_PADDING",
6441 "IDMA_FL_SEND_COMPLETION_TO_IMSG",
6442 };
6443 static const u32 sge_regs[] = {
6444 A_SGE_DEBUG_DATA_LOW_INDEX_2,
6445 A_SGE_DEBUG_DATA_LOW_INDEX_3,
6446 A_SGE_DEBUG_DATA_HIGH_INDEX_10,
6447 };
6448 const char * const *sge_idma_decode;
6449 int sge_idma_decode_nstates;
6450 int i;
6451 unsigned int chip_version = chip_id(adapter);
6452
6453 /* Select the right set of decode strings to dump depending on the
6454 * adapter chip type.
6455 */
6456 switch (chip_version) {
6457 case CHELSIO_T4:
6458 sge_idma_decode = (const char * const *)t4_decode;
6459 sge_idma_decode_nstates = ARRAY_SIZE(t4_decode);
6460 break;
6461
6462 case CHELSIO_T5:
6463 sge_idma_decode = (const char * const *)t5_decode;
6464 sge_idma_decode_nstates = ARRAY_SIZE(t5_decode);
6465 break;
6466
6467 case CHELSIO_T6:
6468 sge_idma_decode = (const char * const *)t6_decode;
6469 sge_idma_decode_nstates = ARRAY_SIZE(t6_decode);
6470 break;
6471
6472 default:
6473 CH_ERR(adapter, "Unsupported chip version %d\n", chip_version);
6474 return;
6475 }
6476
6477 if (state < sge_idma_decode_nstates)
6478 CH_WARN(adapter, "idma state %s\n", sge_idma_decode[state]);
6479 else
6480 CH_WARN(adapter, "idma state %d unknown\n", state);
6481
6482 for (i = 0; i < ARRAY_SIZE(sge_regs); i++)
6483 CH_WARN(adapter, "SGE register %#x value %#x\n",
6484 sge_regs[i], t4_read_reg(adapter, sge_regs[i]));
6485 }
6486
6487 /**
6488 * t4_sge_ctxt_flush - flush the SGE context cache
6489 * @adap: the adapter
6490 * @mbox: mailbox to use for the FW command
6491 *
6492 * Issues a FW command through the given mailbox to flush the
6493 * SGE context cache.
6494 */
t4_sge_ctxt_flush(struct adapter * adap,unsigned int mbox)6495 int t4_sge_ctxt_flush(struct adapter *adap, unsigned int mbox)
6496 {
6497 int ret;
6498 u32 ldst_addrspace;
6499 struct fw_ldst_cmd c;
6500
6501 memset(&c, 0, sizeof(c));
6502 ldst_addrspace = V_FW_LDST_CMD_ADDRSPACE(FW_LDST_ADDRSPC_SGE_EGRC);
6503 c.op_to_addrspace = cpu_to_be32(V_FW_CMD_OP(FW_LDST_CMD) |
6504 F_FW_CMD_REQUEST | F_FW_CMD_READ |
6505 ldst_addrspace);
6506 c.cycles_to_len16 = cpu_to_be32(FW_LEN16(c));
6507 c.u.idctxt.msg_ctxtflush = cpu_to_be32(F_FW_LDST_CMD_CTXTFLUSH);
6508
6509 ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
6510 return ret;
6511 }
6512
6513 /**
6514 * t4_fw_hello - establish communication with FW
6515 * @adap: the adapter
6516 * @mbox: mailbox to use for the FW command
6517 * @evt_mbox: mailbox to receive async FW events
6518 * @master: specifies the caller's willingness to be the device master
6519 * @state: returns the current device state (if non-NULL)
6520 *
6521 * Issues a command to establish communication with FW. Returns either
6522 * an error (negative integer) or the mailbox of the Master PF.
6523 */
t4_fw_hello(struct adapter * adap,unsigned int mbox,unsigned int evt_mbox,enum dev_master master,enum dev_state * state)6524 int t4_fw_hello(struct adapter *adap, unsigned int mbox, unsigned int evt_mbox,
6525 enum dev_master master, enum dev_state *state)
6526 {
6527 int ret;
6528 struct fw_hello_cmd c;
6529 u32 v;
6530 unsigned int master_mbox;
6531 int retries = FW_CMD_HELLO_RETRIES;
6532
6533 retry:
6534 memset(&c, 0, sizeof(c));
6535 INIT_CMD(c, HELLO, WRITE);
6536 c.err_to_clearinit = cpu_to_be32(
6537 V_FW_HELLO_CMD_MASTERDIS(master == MASTER_CANT) |
6538 V_FW_HELLO_CMD_MASTERFORCE(master == MASTER_MUST) |
6539 V_FW_HELLO_CMD_MBMASTER(master == MASTER_MUST ?
6540 mbox : M_FW_HELLO_CMD_MBMASTER) |
6541 V_FW_HELLO_CMD_MBASYNCNOT(evt_mbox) |
6542 V_FW_HELLO_CMD_STAGE(FW_HELLO_CMD_STAGE_OS) |
6543 F_FW_HELLO_CMD_CLEARINIT);
6544
6545 /*
6546 * Issue the HELLO command to the firmware. If it's not successful
6547 * but indicates that we got a "busy" or "timeout" condition, retry
6548 * the HELLO until we exhaust our retry limit. If we do exceed our
6549 * retry limit, check to see if the firmware left us any error
6550 * information and report that if so ...
6551 */
6552 ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
6553 if (ret != FW_SUCCESS) {
6554 if ((ret == -EBUSY || ret == -ETIMEDOUT) && retries-- > 0)
6555 goto retry;
6556 if (t4_read_reg(adap, A_PCIE_FW) & F_PCIE_FW_ERR)
6557 t4_report_fw_error(adap);
6558 return ret;
6559 }
6560
6561 v = be32_to_cpu(c.err_to_clearinit);
6562 master_mbox = G_FW_HELLO_CMD_MBMASTER(v);
6563 if (state) {
6564 if (v & F_FW_HELLO_CMD_ERR)
6565 *state = DEV_STATE_ERR;
6566 else if (v & F_FW_HELLO_CMD_INIT)
6567 *state = DEV_STATE_INIT;
6568 else
6569 *state = DEV_STATE_UNINIT;
6570 }
6571
6572 /*
6573 * If we're not the Master PF then we need to wait around for the
6574 * Master PF Driver to finish setting up the adapter.
6575 *
6576 * Note that we also do this wait if we're a non-Master-capable PF and
6577 * there is no current Master PF; a Master PF may show up momentarily
6578 * and we wouldn't want to fail pointlessly. (This can happen when an
6579 * OS loads lots of different drivers rapidly at the same time). In
6580 * this case, the Master PF returned by the firmware will be
6581 * M_PCIE_FW_MASTER so the test below will work ...
6582 */
6583 if ((v & (F_FW_HELLO_CMD_ERR|F_FW_HELLO_CMD_INIT)) == 0 &&
6584 master_mbox != mbox) {
6585 int waiting = FW_CMD_HELLO_TIMEOUT;
6586
6587 /*
6588 * Wait for the firmware to either indicate an error or
6589 * initialized state. If we see either of these we bail out
6590 * and report the issue to the caller. If we exhaust the
6591 * "hello timeout" and we haven't exhausted our retries, try
6592 * again. Otherwise bail with a timeout error.
6593 */
6594 for (;;) {
6595 u32 pcie_fw;
6596
6597 msleep(50);
6598 waiting -= 50;
6599
6600 /*
6601 * If neither Error nor Initialialized are indicated
6602 * by the firmware keep waiting till we exhaust our
6603 * timeout ... and then retry if we haven't exhausted
6604 * our retries ...
6605 */
6606 pcie_fw = t4_read_reg(adap, A_PCIE_FW);
6607 if (!(pcie_fw & (F_PCIE_FW_ERR|F_PCIE_FW_INIT))) {
6608 if (waiting <= 0) {
6609 if (retries-- > 0)
6610 goto retry;
6611
6612 return -ETIMEDOUT;
6613 }
6614 continue;
6615 }
6616
6617 /*
6618 * We either have an Error or Initialized condition
6619 * report errors preferentially.
6620 */
6621 if (state) {
6622 if (pcie_fw & F_PCIE_FW_ERR)
6623 *state = DEV_STATE_ERR;
6624 else if (pcie_fw & F_PCIE_FW_INIT)
6625 *state = DEV_STATE_INIT;
6626 }
6627
6628 /*
6629 * If we arrived before a Master PF was selected and
6630 * there's not a valid Master PF, grab its identity
6631 * for our caller.
6632 */
6633 if (master_mbox == M_PCIE_FW_MASTER &&
6634 (pcie_fw & F_PCIE_FW_MASTER_VLD))
6635 master_mbox = G_PCIE_FW_MASTER(pcie_fw);
6636 break;
6637 }
6638 }
6639
6640 return master_mbox;
6641 }
6642
6643 /**
6644 * t4_fw_bye - end communication with FW
6645 * @adap: the adapter
6646 * @mbox: mailbox to use for the FW command
6647 *
6648 * Issues a command to terminate communication with FW.
6649 */
t4_fw_bye(struct adapter * adap,unsigned int mbox)6650 int t4_fw_bye(struct adapter *adap, unsigned int mbox)
6651 {
6652 struct fw_bye_cmd c;
6653
6654 memset(&c, 0, sizeof(c));
6655 INIT_CMD(c, BYE, WRITE);
6656 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
6657 }
6658
6659 /**
6660 * t4_fw_reset - issue a reset to FW
6661 * @adap: the adapter
6662 * @mbox: mailbox to use for the FW command
6663 * @reset: specifies the type of reset to perform
6664 *
6665 * Issues a reset command of the specified type to FW.
6666 */
t4_fw_reset(struct adapter * adap,unsigned int mbox,int reset)6667 int t4_fw_reset(struct adapter *adap, unsigned int mbox, int reset)
6668 {
6669 struct fw_reset_cmd c;
6670
6671 memset(&c, 0, sizeof(c));
6672 INIT_CMD(c, RESET, WRITE);
6673 c.val = cpu_to_be32(reset);
6674 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
6675 }
6676
6677 /**
6678 * t4_fw_halt - issue a reset/halt to FW and put uP into RESET
6679 * @adap: the adapter
6680 * @mbox: mailbox to use for the FW RESET command (if desired)
6681 * @force: force uP into RESET even if FW RESET command fails
6682 *
6683 * Issues a RESET command to firmware (if desired) with a HALT indication
6684 * and then puts the microprocessor into RESET state. The RESET command
6685 * will only be issued if a legitimate mailbox is provided (mbox <=
6686 * M_PCIE_FW_MASTER).
6687 *
6688 * This is generally used in order for the host to safely manipulate the
6689 * adapter without fear of conflicting with whatever the firmware might
6690 * be doing. The only way out of this state is to RESTART the firmware
6691 * ...
6692 */
t4_fw_halt(struct adapter * adap,unsigned int mbox,int force)6693 int t4_fw_halt(struct adapter *adap, unsigned int mbox, int force)
6694 {
6695 int ret = 0;
6696
6697 /*
6698 * If a legitimate mailbox is provided, issue a RESET command
6699 * with a HALT indication.
6700 */
6701 if (mbox <= M_PCIE_FW_MASTER) {
6702 struct fw_reset_cmd c;
6703
6704 memset(&c, 0, sizeof(c));
6705 INIT_CMD(c, RESET, WRITE);
6706 c.val = cpu_to_be32(F_PIORST | F_PIORSTMODE);
6707 c.halt_pkd = cpu_to_be32(F_FW_RESET_CMD_HALT);
6708 ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
6709 }
6710
6711 /*
6712 * Normally we won't complete the operation if the firmware RESET
6713 * command fails but if our caller insists we'll go ahead and put the
6714 * uP into RESET. This can be useful if the firmware is hung or even
6715 * missing ... We'll have to take the risk of putting the uP into
6716 * RESET without the cooperation of firmware in that case.
6717 *
6718 * We also force the firmware's HALT flag to be on in case we bypassed
6719 * the firmware RESET command above or we're dealing with old firmware
6720 * which doesn't have the HALT capability. This will serve as a flag
6721 * for the incoming firmware to know that it's coming out of a HALT
6722 * rather than a RESET ... if it's new enough to understand that ...
6723 */
6724 if (ret == 0 || force) {
6725 t4_set_reg_field(adap, A_CIM_BOOT_CFG, F_UPCRST, F_UPCRST);
6726 t4_set_reg_field(adap, A_PCIE_FW, F_PCIE_FW_HALT,
6727 F_PCIE_FW_HALT);
6728 }
6729
6730 /*
6731 * And we always return the result of the firmware RESET command
6732 * even when we force the uP into RESET ...
6733 */
6734 return ret;
6735 }
6736
6737 /**
6738 * t4_fw_restart - restart the firmware by taking the uP out of RESET
6739 * @adap: the adapter
6740 * @reset: if we want to do a RESET to restart things
6741 *
6742 * Restart firmware previously halted by t4_fw_halt(). On successful
6743 * return the previous PF Master remains as the new PF Master and there
6744 * is no need to issue a new HELLO command, etc.
6745 *
6746 * We do this in two ways:
6747 *
6748 * 1. If we're dealing with newer firmware we'll simply want to take
6749 * the chip's microprocessor out of RESET. This will cause the
6750 * firmware to start up from its start vector. And then we'll loop
6751 * until the firmware indicates it's started again (PCIE_FW.HALT
6752 * reset to 0) or we timeout.
6753 *
6754 * 2. If we're dealing with older firmware then we'll need to RESET
6755 * the chip since older firmware won't recognize the PCIE_FW.HALT
6756 * flag and automatically RESET itself on startup.
6757 */
t4_fw_restart(struct adapter * adap,unsigned int mbox,int reset)6758 int t4_fw_restart(struct adapter *adap, unsigned int mbox, int reset)
6759 {
6760 if (reset) {
6761 /*
6762 * Since we're directing the RESET instead of the firmware
6763 * doing it automatically, we need to clear the PCIE_FW.HALT
6764 * bit.
6765 */
6766 t4_set_reg_field(adap, A_PCIE_FW, F_PCIE_FW_HALT, 0);
6767
6768 /*
6769 * If we've been given a valid mailbox, first try to get the
6770 * firmware to do the RESET. If that works, great and we can
6771 * return success. Otherwise, if we haven't been given a
6772 * valid mailbox or the RESET command failed, fall back to
6773 * hitting the chip with a hammer.
6774 */
6775 if (mbox <= M_PCIE_FW_MASTER) {
6776 t4_set_reg_field(adap, A_CIM_BOOT_CFG, F_UPCRST, 0);
6777 msleep(100);
6778 if (t4_fw_reset(adap, mbox,
6779 F_PIORST | F_PIORSTMODE) == 0)
6780 return 0;
6781 }
6782
6783 t4_write_reg(adap, A_PL_RST, F_PIORST | F_PIORSTMODE);
6784 msleep(2000);
6785 } else {
6786 int ms;
6787
6788 t4_set_reg_field(adap, A_CIM_BOOT_CFG, F_UPCRST, 0);
6789 for (ms = 0; ms < FW_CMD_MAX_TIMEOUT; ) {
6790 if (!(t4_read_reg(adap, A_PCIE_FW) & F_PCIE_FW_HALT))
6791 return FW_SUCCESS;
6792 msleep(100);
6793 ms += 100;
6794 }
6795 return -ETIMEDOUT;
6796 }
6797 return 0;
6798 }
6799
6800 /**
6801 * t4_fw_upgrade - perform all of the steps necessary to upgrade FW
6802 * @adap: the adapter
6803 * @mbox: mailbox to use for the FW RESET command (if desired)
6804 * @fw_data: the firmware image to write
6805 * @size: image size
6806 * @force: force upgrade even if firmware doesn't cooperate
6807 *
6808 * Perform all of the steps necessary for upgrading an adapter's
6809 * firmware image. Normally this requires the cooperation of the
6810 * existing firmware in order to halt all existing activities
6811 * but if an invalid mailbox token is passed in we skip that step
6812 * (though we'll still put the adapter microprocessor into RESET in
6813 * that case).
6814 *
6815 * On successful return the new firmware will have been loaded and
6816 * the adapter will have been fully RESET losing all previous setup
6817 * state. On unsuccessful return the adapter may be completely hosed ...
6818 * positive errno indicates that the adapter is ~probably~ intact, a
6819 * negative errno indicates that things are looking bad ...
6820 */
t4_fw_upgrade(struct adapter * adap,unsigned int mbox,const u8 * fw_data,unsigned int size,int force)6821 int t4_fw_upgrade(struct adapter *adap, unsigned int mbox,
6822 const u8 *fw_data, unsigned int size, int force)
6823 {
6824 const struct fw_hdr *fw_hdr = (const struct fw_hdr *)fw_data;
6825 unsigned int bootstrap =
6826 be32_to_cpu(fw_hdr->magic) == FW_HDR_MAGIC_BOOTSTRAP;
6827 int reset, ret;
6828
6829 if (!t4_fw_matches_chip(adap, fw_hdr))
6830 return -EINVAL;
6831
6832 if (!bootstrap) {
6833 ret = t4_fw_halt(adap, mbox, force);
6834 if (ret < 0 && !force)
6835 return ret;
6836 }
6837
6838 ret = t4_load_fw(adap, fw_data, size);
6839 if (ret < 0 || bootstrap)
6840 return ret;
6841
6842 /*
6843 * Older versions of the firmware don't understand the new
6844 * PCIE_FW.HALT flag and so won't know to perform a RESET when they
6845 * restart. So for newly loaded older firmware we'll have to do the
6846 * RESET for it so it starts up on a clean slate. We can tell if
6847 * the newly loaded firmware will handle this right by checking
6848 * its header flags to see if it advertises the capability.
6849 */
6850 reset = ((be32_to_cpu(fw_hdr->flags) & FW_HDR_FLAGS_RESET_HALT) == 0);
6851 return t4_fw_restart(adap, mbox, reset);
6852 }
6853
6854 /**
6855 * t4_fw_initialize - ask FW to initialize the device
6856 * @adap: the adapter
6857 * @mbox: mailbox to use for the FW command
6858 *
6859 * Issues a command to FW to partially initialize the device. This
6860 * performs initialization that generally doesn't depend on user input.
6861 */
t4_fw_initialize(struct adapter * adap,unsigned int mbox)6862 int t4_fw_initialize(struct adapter *adap, unsigned int mbox)
6863 {
6864 struct fw_initialize_cmd c;
6865
6866 memset(&c, 0, sizeof(c));
6867 INIT_CMD(c, INITIALIZE, WRITE);
6868 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
6869 }
6870
6871 /**
6872 * t4_query_params_rw - query FW or device parameters
6873 * @adap: the adapter
6874 * @mbox: mailbox to use for the FW command
6875 * @pf: the PF
6876 * @vf: the VF
6877 * @nparams: the number of parameters
6878 * @params: the parameter names
6879 * @val: the parameter values
6880 * @rw: Write and read flag
6881 *
6882 * Reads the value of FW or device parameters. Up to 7 parameters can be
6883 * queried at once.
6884 */
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)6885 int t4_query_params_rw(struct adapter *adap, unsigned int mbox, unsigned int pf,
6886 unsigned int vf, unsigned int nparams, const u32 *params,
6887 u32 *val, int rw)
6888 {
6889 int i, ret;
6890 struct fw_params_cmd c;
6891 __be32 *p = &c.param[0].mnem;
6892
6893 if (nparams > 7)
6894 return -EINVAL;
6895
6896 memset(&c, 0, sizeof(c));
6897 c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_PARAMS_CMD) |
6898 F_FW_CMD_REQUEST | F_FW_CMD_READ |
6899 V_FW_PARAMS_CMD_PFN(pf) |
6900 V_FW_PARAMS_CMD_VFN(vf));
6901 c.retval_len16 = cpu_to_be32(FW_LEN16(c));
6902
6903 for (i = 0; i < nparams; i++) {
6904 *p++ = cpu_to_be32(*params++);
6905 if (rw)
6906 *p = cpu_to_be32(*(val + i));
6907 p++;
6908 }
6909
6910 ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
6911 if (ret == 0)
6912 for (i = 0, p = &c.param[0].val; i < nparams; i++, p += 2)
6913 *val++ = be32_to_cpu(*p);
6914 return ret;
6915 }
6916
t4_query_params(struct adapter * adap,unsigned int mbox,unsigned int pf,unsigned int vf,unsigned int nparams,const u32 * params,u32 * val)6917 int t4_query_params(struct adapter *adap, unsigned int mbox, unsigned int pf,
6918 unsigned int vf, unsigned int nparams, const u32 *params,
6919 u32 *val)
6920 {
6921 return t4_query_params_rw(adap, mbox, pf, vf, nparams, params, val, 0);
6922 }
6923
6924 /**
6925 * t4_set_params_timeout - sets FW or device parameters
6926 * @adap: the adapter
6927 * @mbox: mailbox to use for the FW command
6928 * @pf: the PF
6929 * @vf: the VF
6930 * @nparams: the number of parameters
6931 * @params: the parameter names
6932 * @val: the parameter values
6933 * @timeout: the timeout time
6934 *
6935 * Sets the value of FW or device parameters. Up to 7 parameters can be
6936 * specified at once.
6937 */
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)6938 int t4_set_params_timeout(struct adapter *adap, unsigned int mbox,
6939 unsigned int pf, unsigned int vf,
6940 unsigned int nparams, const u32 *params,
6941 const u32 *val, int timeout)
6942 {
6943 struct fw_params_cmd c;
6944 __be32 *p = &c.param[0].mnem;
6945
6946 if (nparams > 7)
6947 return -EINVAL;
6948
6949 memset(&c, 0, sizeof(c));
6950 c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_PARAMS_CMD) |
6951 F_FW_CMD_REQUEST | F_FW_CMD_WRITE |
6952 V_FW_PARAMS_CMD_PFN(pf) |
6953 V_FW_PARAMS_CMD_VFN(vf));
6954 c.retval_len16 = cpu_to_be32(FW_LEN16(c));
6955
6956 while (nparams--) {
6957 *p++ = cpu_to_be32(*params++);
6958 *p++ = cpu_to_be32(*val++);
6959 }
6960
6961 return t4_wr_mbox_timeout(adap, mbox, &c, sizeof(c), NULL, timeout);
6962 }
6963
6964 /**
6965 * t4_set_params - sets FW or device parameters
6966 * @adap: the adapter
6967 * @mbox: mailbox to use for the FW command
6968 * @pf: the PF
6969 * @vf: the VF
6970 * @nparams: the number of parameters
6971 * @params: the parameter names
6972 * @val: the parameter values
6973 *
6974 * Sets the value of FW or device parameters. Up to 7 parameters can be
6975 * specified at once.
6976 */
t4_set_params(struct adapter * adap,unsigned int mbox,unsigned int pf,unsigned int vf,unsigned int nparams,const u32 * params,const u32 * val)6977 int t4_set_params(struct adapter *adap, unsigned int mbox, unsigned int pf,
6978 unsigned int vf, unsigned int nparams, const u32 *params,
6979 const u32 *val)
6980 {
6981 return t4_set_params_timeout(adap, mbox, pf, vf, nparams, params, val,
6982 FW_CMD_MAX_TIMEOUT);
6983 }
6984
6985 /**
6986 * t4_cfg_pfvf - configure PF/VF resource limits
6987 * @adap: the adapter
6988 * @mbox: mailbox to use for the FW command
6989 * @pf: the PF being configured
6990 * @vf: the VF being configured
6991 * @txq: the max number of egress queues
6992 * @txq_eth_ctrl: the max number of egress Ethernet or control queues
6993 * @rxqi: the max number of interrupt-capable ingress queues
6994 * @rxq: the max number of interruptless ingress queues
6995 * @tc: the PCI traffic class
6996 * @vi: the max number of virtual interfaces
6997 * @cmask: the channel access rights mask for the PF/VF
6998 * @pmask: the port access rights mask for the PF/VF
6999 * @nexact: the maximum number of exact MPS filters
7000 * @rcaps: read capabilities
7001 * @wxcaps: write/execute capabilities
7002 *
7003 * Configures resource limits and capabilities for a physical or virtual
7004 * function.
7005 */
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)7006 int t4_cfg_pfvf(struct adapter *adap, unsigned int mbox, unsigned int pf,
7007 unsigned int vf, unsigned int txq, unsigned int txq_eth_ctrl,
7008 unsigned int rxqi, unsigned int rxq, unsigned int tc,
7009 unsigned int vi, unsigned int cmask, unsigned int pmask,
7010 unsigned int nexact, unsigned int rcaps, unsigned int wxcaps)
7011 {
7012 struct fw_pfvf_cmd c;
7013
7014 memset(&c, 0, sizeof(c));
7015 c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_PFVF_CMD) | F_FW_CMD_REQUEST |
7016 F_FW_CMD_WRITE | V_FW_PFVF_CMD_PFN(pf) |
7017 V_FW_PFVF_CMD_VFN(vf));
7018 c.retval_len16 = cpu_to_be32(FW_LEN16(c));
7019 c.niqflint_niq = cpu_to_be32(V_FW_PFVF_CMD_NIQFLINT(rxqi) |
7020 V_FW_PFVF_CMD_NIQ(rxq));
7021 c.type_to_neq = cpu_to_be32(V_FW_PFVF_CMD_CMASK(cmask) |
7022 V_FW_PFVF_CMD_PMASK(pmask) |
7023 V_FW_PFVF_CMD_NEQ(txq));
7024 c.tc_to_nexactf = cpu_to_be32(V_FW_PFVF_CMD_TC(tc) |
7025 V_FW_PFVF_CMD_NVI(vi) |
7026 V_FW_PFVF_CMD_NEXACTF(nexact));
7027 c.r_caps_to_nethctrl = cpu_to_be32(V_FW_PFVF_CMD_R_CAPS(rcaps) |
7028 V_FW_PFVF_CMD_WX_CAPS(wxcaps) |
7029 V_FW_PFVF_CMD_NETHCTRL(txq_eth_ctrl));
7030 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
7031 }
7032
7033 /**
7034 * t4_alloc_vi_func - allocate a virtual interface
7035 * @adap: the adapter
7036 * @mbox: mailbox to use for the FW command
7037 * @port: physical port associated with the VI
7038 * @pf: the PF owning the VI
7039 * @vf: the VF owning the VI
7040 * @nmac: number of MAC addresses needed (1 to 5)
7041 * @mac: the MAC addresses of the VI
7042 * @rss_size: size of RSS table slice associated with this VI
7043 * @portfunc: which Port Application Function MAC Address is desired
7044 * @idstype: Intrusion Detection Type
7045 *
7046 * Allocates a virtual interface for the given physical port. If @mac is
7047 * not %NULL it contains the MAC addresses of the VI as assigned by FW.
7048 * If @rss_size is %NULL the VI is not assigned any RSS slice by FW.
7049 * @mac should be large enough to hold @nmac Ethernet addresses, they are
7050 * stored consecutively so the space needed is @nmac * 6 bytes.
7051 * Returns a negative error number or the non-negative VI id.
7052 */
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,unsigned int portfunc,unsigned int idstype)7053 int t4_alloc_vi_func(struct adapter *adap, unsigned int mbox,
7054 unsigned int port, unsigned int pf, unsigned int vf,
7055 unsigned int nmac, u8 *mac, u16 *rss_size,
7056 unsigned int portfunc, unsigned int idstype)
7057 {
7058 int ret;
7059 struct fw_vi_cmd c;
7060
7061 memset(&c, 0, sizeof(c));
7062 c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_VI_CMD) | F_FW_CMD_REQUEST |
7063 F_FW_CMD_WRITE | F_FW_CMD_EXEC |
7064 V_FW_VI_CMD_PFN(pf) | V_FW_VI_CMD_VFN(vf));
7065 c.alloc_to_len16 = cpu_to_be32(F_FW_VI_CMD_ALLOC | FW_LEN16(c));
7066 c.type_to_viid = cpu_to_be16(V_FW_VI_CMD_TYPE(idstype) |
7067 V_FW_VI_CMD_FUNC(portfunc));
7068 c.portid_pkd = V_FW_VI_CMD_PORTID(port);
7069 c.nmac = nmac - 1;
7070 if(!rss_size)
7071 c.norss_rsssize = F_FW_VI_CMD_NORSS;
7072
7073 ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
7074 if (ret)
7075 return ret;
7076
7077 if (mac) {
7078 memcpy(mac, c.mac, sizeof(c.mac));
7079 switch (nmac) {
7080 case 5:
7081 memcpy(mac + 24, c.nmac3, sizeof(c.nmac3));
7082 case 4:
7083 memcpy(mac + 18, c.nmac2, sizeof(c.nmac2));
7084 case 3:
7085 memcpy(mac + 12, c.nmac1, sizeof(c.nmac1));
7086 case 2:
7087 memcpy(mac + 6, c.nmac0, sizeof(c.nmac0));
7088 }
7089 }
7090 if (rss_size)
7091 *rss_size = G_FW_VI_CMD_RSSSIZE(be16_to_cpu(c.norss_rsssize));
7092 return G_FW_VI_CMD_VIID(be16_to_cpu(c.type_to_viid));
7093 }
7094
7095 /**
7096 * t4_alloc_vi - allocate an [Ethernet Function] virtual interface
7097 * @adap: the adapter
7098 * @mbox: mailbox to use for the FW command
7099 * @port: physical port associated with the VI
7100 * @pf: the PF owning the VI
7101 * @vf: the VF owning the VI
7102 * @nmac: number of MAC addresses needed (1 to 5)
7103 * @mac: the MAC addresses of the VI
7104 * @rss_size: size of RSS table slice associated with this VI
7105 *
7106 * backwards compatible and convieniance routine to allocate a Virtual
7107 * Interface with a Ethernet Port Application Function and Intrustion
7108 * Detection System disabled.
7109 */
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)7110 int t4_alloc_vi(struct adapter *adap, unsigned int mbox, unsigned int port,
7111 unsigned int pf, unsigned int vf, unsigned int nmac, u8 *mac,
7112 u16 *rss_size)
7113 {
7114 return t4_alloc_vi_func(adap, mbox, port, pf, vf, nmac, mac, rss_size,
7115 FW_VI_FUNC_ETH, 0);
7116 }
7117
7118 /**
7119 * t4_free_vi - free a virtual interface
7120 * @adap: the adapter
7121 * @mbox: mailbox to use for the FW command
7122 * @pf: the PF owning the VI
7123 * @vf: the VF owning the VI
7124 * @viid: virtual interface identifiler
7125 *
7126 * Free a previously allocated virtual interface.
7127 */
t4_free_vi(struct adapter * adap,unsigned int mbox,unsigned int pf,unsigned int vf,unsigned int viid)7128 int t4_free_vi(struct adapter *adap, unsigned int mbox, unsigned int pf,
7129 unsigned int vf, unsigned int viid)
7130 {
7131 struct fw_vi_cmd c;
7132
7133 memset(&c, 0, sizeof(c));
7134 c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_VI_CMD) |
7135 F_FW_CMD_REQUEST |
7136 F_FW_CMD_EXEC |
7137 V_FW_VI_CMD_PFN(pf) |
7138 V_FW_VI_CMD_VFN(vf));
7139 c.alloc_to_len16 = cpu_to_be32(F_FW_VI_CMD_FREE | FW_LEN16(c));
7140 c.type_to_viid = cpu_to_be16(V_FW_VI_CMD_VIID(viid));
7141
7142 return t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
7143 }
7144
7145 /**
7146 * t4_set_rxmode - set Rx properties of a virtual interface
7147 * @adap: the adapter
7148 * @mbox: mailbox to use for the FW command
7149 * @viid: the VI id
7150 * @mtu: the new MTU or -1
7151 * @promisc: 1 to enable promiscuous mode, 0 to disable it, -1 no change
7152 * @all_multi: 1 to enable all-multi mode, 0 to disable it, -1 no change
7153 * @bcast: 1 to enable broadcast Rx, 0 to disable it, -1 no change
7154 * @vlanex: 1 to enable HW VLAN extraction, 0 to disable it, -1 no change
7155 * @sleep_ok: if true we may sleep while awaiting command completion
7156 *
7157 * Sets Rx properties of a virtual interface.
7158 */
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)7159 int t4_set_rxmode(struct adapter *adap, unsigned int mbox, unsigned int viid,
7160 int mtu, int promisc, int all_multi, int bcast, int vlanex,
7161 bool sleep_ok)
7162 {
7163 struct fw_vi_rxmode_cmd c;
7164
7165 /* convert to FW values */
7166 if (mtu < 0)
7167 mtu = M_FW_VI_RXMODE_CMD_MTU;
7168 if (promisc < 0)
7169 promisc = M_FW_VI_RXMODE_CMD_PROMISCEN;
7170 if (all_multi < 0)
7171 all_multi = M_FW_VI_RXMODE_CMD_ALLMULTIEN;
7172 if (bcast < 0)
7173 bcast = M_FW_VI_RXMODE_CMD_BROADCASTEN;
7174 if (vlanex < 0)
7175 vlanex = M_FW_VI_RXMODE_CMD_VLANEXEN;
7176
7177 memset(&c, 0, sizeof(c));
7178 c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_RXMODE_CMD) |
7179 F_FW_CMD_REQUEST | F_FW_CMD_WRITE |
7180 V_FW_VI_RXMODE_CMD_VIID(viid));
7181 c.retval_len16 = cpu_to_be32(FW_LEN16(c));
7182 c.mtu_to_vlanexen =
7183 cpu_to_be32(V_FW_VI_RXMODE_CMD_MTU(mtu) |
7184 V_FW_VI_RXMODE_CMD_PROMISCEN(promisc) |
7185 V_FW_VI_RXMODE_CMD_ALLMULTIEN(all_multi) |
7186 V_FW_VI_RXMODE_CMD_BROADCASTEN(bcast) |
7187 V_FW_VI_RXMODE_CMD_VLANEXEN(vlanex));
7188 return t4_wr_mbox_meat(adap, mbox, &c, sizeof(c), NULL, sleep_ok);
7189 }
7190
7191 /**
7192 * t4_alloc_mac_filt - allocates exact-match filters for MAC addresses
7193 * @adap: the adapter
7194 * @mbox: mailbox to use for the FW command
7195 * @viid: the VI id
7196 * @free: if true any existing filters for this VI id are first removed
7197 * @naddr: the number of MAC addresses to allocate filters for (up to 7)
7198 * @addr: the MAC address(es)
7199 * @idx: where to store the index of each allocated filter
7200 * @hash: pointer to hash address filter bitmap
7201 * @sleep_ok: call is allowed to sleep
7202 *
7203 * Allocates an exact-match filter for each of the supplied addresses and
7204 * sets it to the corresponding address. If @idx is not %NULL it should
7205 * have at least @naddr entries, each of which will be set to the index of
7206 * the filter allocated for the corresponding MAC address. If a filter
7207 * could not be allocated for an address its index is set to 0xffff.
7208 * If @hash is not %NULL addresses that fail to allocate an exact filter
7209 * are hashed and update the hash filter bitmap pointed at by @hash.
7210 *
7211 * Returns a negative error number or the number of filters allocated.
7212 */
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)7213 int t4_alloc_mac_filt(struct adapter *adap, unsigned int mbox,
7214 unsigned int viid, bool free, unsigned int naddr,
7215 const u8 **addr, u16 *idx, u64 *hash, bool sleep_ok)
7216 {
7217 int offset, ret = 0;
7218 struct fw_vi_mac_cmd c;
7219 unsigned int nfilters = 0;
7220 unsigned int max_naddr = adap->chip_params->mps_tcam_size;
7221 unsigned int rem = naddr;
7222
7223 if (naddr > max_naddr)
7224 return -EINVAL;
7225
7226 for (offset = 0; offset < naddr ; /**/) {
7227 unsigned int fw_naddr = (rem < ARRAY_SIZE(c.u.exact)
7228 ? rem
7229 : ARRAY_SIZE(c.u.exact));
7230 size_t len16 = DIV_ROUND_UP(offsetof(struct fw_vi_mac_cmd,
7231 u.exact[fw_naddr]), 16);
7232 struct fw_vi_mac_exact *p;
7233 int i;
7234
7235 memset(&c, 0, sizeof(c));
7236 c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_MAC_CMD) |
7237 F_FW_CMD_REQUEST |
7238 F_FW_CMD_WRITE |
7239 V_FW_CMD_EXEC(free) |
7240 V_FW_VI_MAC_CMD_VIID(viid));
7241 c.freemacs_to_len16 = cpu_to_be32(V_FW_VI_MAC_CMD_FREEMACS(free) |
7242 V_FW_CMD_LEN16(len16));
7243
7244 for (i = 0, p = c.u.exact; i < fw_naddr; i++, p++) {
7245 p->valid_to_idx =
7246 cpu_to_be16(F_FW_VI_MAC_CMD_VALID |
7247 V_FW_VI_MAC_CMD_IDX(FW_VI_MAC_ADD_MAC));
7248 memcpy(p->macaddr, addr[offset+i], sizeof(p->macaddr));
7249 }
7250
7251 /*
7252 * It's okay if we run out of space in our MAC address arena.
7253 * Some of the addresses we submit may get stored so we need
7254 * to run through the reply to see what the results were ...
7255 */
7256 ret = t4_wr_mbox_meat(adap, mbox, &c, sizeof(c), &c, sleep_ok);
7257 if (ret && ret != -FW_ENOMEM)
7258 break;
7259
7260 for (i = 0, p = c.u.exact; i < fw_naddr; i++, p++) {
7261 u16 index = G_FW_VI_MAC_CMD_IDX(
7262 be16_to_cpu(p->valid_to_idx));
7263
7264 if (idx)
7265 idx[offset+i] = (index >= max_naddr
7266 ? 0xffff
7267 : index);
7268 if (index < max_naddr)
7269 nfilters++;
7270 else if (hash)
7271 *hash |= (1ULL << hash_mac_addr(addr[offset+i]));
7272 }
7273
7274 free = false;
7275 offset += fw_naddr;
7276 rem -= fw_naddr;
7277 }
7278
7279 if (ret == 0 || ret == -FW_ENOMEM)
7280 ret = nfilters;
7281 return ret;
7282 }
7283
7284 /**
7285 * t4_change_mac - modifies the exact-match filter for a MAC address
7286 * @adap: the adapter
7287 * @mbox: mailbox to use for the FW command
7288 * @viid: the VI id
7289 * @idx: index of existing filter for old value of MAC address, or -1
7290 * @addr: the new MAC address value
7291 * @persist: whether a new MAC allocation should be persistent
7292 * @add_smt: if true also add the address to the HW SMT
7293 *
7294 * Modifies an exact-match filter and sets it to the new MAC address if
7295 * @idx >= 0, or adds the MAC address to a new filter if @idx < 0. In the
7296 * latter case the address is added persistently if @persist is %true.
7297 *
7298 * Note that in general it is not possible to modify the value of a given
7299 * filter so the generic way to modify an address filter is to free the one
7300 * being used by the old address value and allocate a new filter for the
7301 * new address value.
7302 *
7303 * Returns a negative error number or the index of the filter with the new
7304 * MAC value. Note that this index may differ from @idx.
7305 */
t4_change_mac(struct adapter * adap,unsigned int mbox,unsigned int viid,int idx,const u8 * addr,bool persist,bool add_smt)7306 int t4_change_mac(struct adapter *adap, unsigned int mbox, unsigned int viid,
7307 int idx, const u8 *addr, bool persist, bool add_smt)
7308 {
7309 int ret, mode;
7310 struct fw_vi_mac_cmd c;
7311 struct fw_vi_mac_exact *p = c.u.exact;
7312 unsigned int max_mac_addr = adap->chip_params->mps_tcam_size;
7313
7314 if (idx < 0) /* new allocation */
7315 idx = persist ? FW_VI_MAC_ADD_PERSIST_MAC : FW_VI_MAC_ADD_MAC;
7316 mode = add_smt ? FW_VI_MAC_SMT_AND_MPSTCAM : FW_VI_MAC_MPS_TCAM_ENTRY;
7317
7318 memset(&c, 0, sizeof(c));
7319 c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_MAC_CMD) |
7320 F_FW_CMD_REQUEST | F_FW_CMD_WRITE |
7321 V_FW_VI_MAC_CMD_VIID(viid));
7322 c.freemacs_to_len16 = cpu_to_be32(V_FW_CMD_LEN16(1));
7323 p->valid_to_idx = cpu_to_be16(F_FW_VI_MAC_CMD_VALID |
7324 V_FW_VI_MAC_CMD_SMAC_RESULT(mode) |
7325 V_FW_VI_MAC_CMD_IDX(idx));
7326 memcpy(p->macaddr, addr, sizeof(p->macaddr));
7327
7328 ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
7329 if (ret == 0) {
7330 ret = G_FW_VI_MAC_CMD_IDX(be16_to_cpu(p->valid_to_idx));
7331 if (ret >= max_mac_addr)
7332 ret = -ENOMEM;
7333 }
7334 return ret;
7335 }
7336
7337 /**
7338 * t4_set_addr_hash - program the MAC inexact-match hash filter
7339 * @adap: the adapter
7340 * @mbox: mailbox to use for the FW command
7341 * @viid: the VI id
7342 * @ucast: whether the hash filter should also match unicast addresses
7343 * @vec: the value to be written to the hash filter
7344 * @sleep_ok: call is allowed to sleep
7345 *
7346 * Sets the 64-bit inexact-match hash filter for a virtual interface.
7347 */
t4_set_addr_hash(struct adapter * adap,unsigned int mbox,unsigned int viid,bool ucast,u64 vec,bool sleep_ok)7348 int t4_set_addr_hash(struct adapter *adap, unsigned int mbox, unsigned int viid,
7349 bool ucast, u64 vec, bool sleep_ok)
7350 {
7351 struct fw_vi_mac_cmd c;
7352 u32 val;
7353
7354 memset(&c, 0, sizeof(c));
7355 c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_MAC_CMD) |
7356 F_FW_CMD_REQUEST | F_FW_CMD_WRITE |
7357 V_FW_VI_ENABLE_CMD_VIID(viid));
7358 val = V_FW_VI_MAC_CMD_ENTRY_TYPE(FW_VI_MAC_TYPE_HASHVEC) |
7359 V_FW_VI_MAC_CMD_HASHUNIEN(ucast) | V_FW_CMD_LEN16(1);
7360 c.freemacs_to_len16 = cpu_to_be32(val);
7361 c.u.hash.hashvec = cpu_to_be64(vec);
7362 return t4_wr_mbox_meat(adap, mbox, &c, sizeof(c), NULL, sleep_ok);
7363 }
7364
7365 /**
7366 * t4_enable_vi_params - enable/disable a virtual interface
7367 * @adap: the adapter
7368 * @mbox: mailbox to use for the FW command
7369 * @viid: the VI id
7370 * @rx_en: 1=enable Rx, 0=disable Rx
7371 * @tx_en: 1=enable Tx, 0=disable Tx
7372 * @dcb_en: 1=enable delivery of Data Center Bridging messages.
7373 *
7374 * Enables/disables a virtual interface. Note that setting DCB Enable
7375 * only makes sense when enabling a Virtual Interface ...
7376 */
t4_enable_vi_params(struct adapter * adap,unsigned int mbox,unsigned int viid,bool rx_en,bool tx_en,bool dcb_en)7377 int t4_enable_vi_params(struct adapter *adap, unsigned int mbox,
7378 unsigned int viid, bool rx_en, bool tx_en, bool dcb_en)
7379 {
7380 struct fw_vi_enable_cmd c;
7381
7382 memset(&c, 0, sizeof(c));
7383 c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_ENABLE_CMD) |
7384 F_FW_CMD_REQUEST | F_FW_CMD_EXEC |
7385 V_FW_VI_ENABLE_CMD_VIID(viid));
7386 c.ien_to_len16 = cpu_to_be32(V_FW_VI_ENABLE_CMD_IEN(rx_en) |
7387 V_FW_VI_ENABLE_CMD_EEN(tx_en) |
7388 V_FW_VI_ENABLE_CMD_DCB_INFO(dcb_en) |
7389 FW_LEN16(c));
7390 return t4_wr_mbox_ns(adap, mbox, &c, sizeof(c), NULL);
7391 }
7392
7393 /**
7394 * t4_enable_vi - enable/disable a virtual interface
7395 * @adap: the adapter
7396 * @mbox: mailbox to use for the FW command
7397 * @viid: the VI id
7398 * @rx_en: 1=enable Rx, 0=disable Rx
7399 * @tx_en: 1=enable Tx, 0=disable Tx
7400 *
7401 * Enables/disables a virtual interface. Note that setting DCB Enable
7402 * only makes sense when enabling a Virtual Interface ...
7403 */
t4_enable_vi(struct adapter * adap,unsigned int mbox,unsigned int viid,bool rx_en,bool tx_en)7404 int t4_enable_vi(struct adapter *adap, unsigned int mbox, unsigned int viid,
7405 bool rx_en, bool tx_en)
7406 {
7407 return t4_enable_vi_params(adap, mbox, viid, rx_en, tx_en, 0);
7408 }
7409
7410 /**
7411 * t4_identify_port - identify a VI's port by blinking its LED
7412 * @adap: the adapter
7413 * @mbox: mailbox to use for the FW command
7414 * @viid: the VI id
7415 * @nblinks: how many times to blink LED at 2.5 Hz
7416 *
7417 * Identifies a VI's port by blinking its LED.
7418 */
t4_identify_port(struct adapter * adap,unsigned int mbox,unsigned int viid,unsigned int nblinks)7419 int t4_identify_port(struct adapter *adap, unsigned int mbox, unsigned int viid,
7420 unsigned int nblinks)
7421 {
7422 struct fw_vi_enable_cmd c;
7423
7424 memset(&c, 0, sizeof(c));
7425 c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_VI_ENABLE_CMD) |
7426 F_FW_CMD_REQUEST | F_FW_CMD_EXEC |
7427 V_FW_VI_ENABLE_CMD_VIID(viid));
7428 c.ien_to_len16 = cpu_to_be32(F_FW_VI_ENABLE_CMD_LED | FW_LEN16(c));
7429 c.blinkdur = cpu_to_be16(nblinks);
7430 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
7431 }
7432
7433 /**
7434 * t4_iq_stop - stop an ingress queue and its FLs
7435 * @adap: the adapter
7436 * @mbox: mailbox to use for the FW command
7437 * @pf: the PF owning the queues
7438 * @vf: the VF owning the queues
7439 * @iqtype: the ingress queue type (FW_IQ_TYPE_FL_INT_CAP, etc.)
7440 * @iqid: ingress queue id
7441 * @fl0id: FL0 queue id or 0xffff if no attached FL0
7442 * @fl1id: FL1 queue id or 0xffff if no attached FL1
7443 *
7444 * Stops an ingress queue and its associated FLs, if any. This causes
7445 * any current or future data/messages destined for these queues to be
7446 * tossed.
7447 */
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)7448 int t4_iq_stop(struct adapter *adap, unsigned int mbox, unsigned int pf,
7449 unsigned int vf, unsigned int iqtype, unsigned int iqid,
7450 unsigned int fl0id, unsigned int fl1id)
7451 {
7452 struct fw_iq_cmd c;
7453
7454 memset(&c, 0, sizeof(c));
7455 c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_IQ_CMD) | F_FW_CMD_REQUEST |
7456 F_FW_CMD_EXEC | V_FW_IQ_CMD_PFN(pf) |
7457 V_FW_IQ_CMD_VFN(vf));
7458 c.alloc_to_len16 = cpu_to_be32(F_FW_IQ_CMD_IQSTOP | FW_LEN16(c));
7459 c.type_to_iqandstindex = cpu_to_be32(V_FW_IQ_CMD_TYPE(iqtype));
7460 c.iqid = cpu_to_be16(iqid);
7461 c.fl0id = cpu_to_be16(fl0id);
7462 c.fl1id = cpu_to_be16(fl1id);
7463 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
7464 }
7465
7466 /**
7467 * t4_iq_free - free an ingress queue and its FLs
7468 * @adap: the adapter
7469 * @mbox: mailbox to use for the FW command
7470 * @pf: the PF owning the queues
7471 * @vf: the VF owning the queues
7472 * @iqtype: the ingress queue type (FW_IQ_TYPE_FL_INT_CAP, etc.)
7473 * @iqid: ingress queue id
7474 * @fl0id: FL0 queue id or 0xffff if no attached FL0
7475 * @fl1id: FL1 queue id or 0xffff if no attached FL1
7476 *
7477 * Frees an ingress queue and its associated FLs, if any.
7478 */
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)7479 int t4_iq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
7480 unsigned int vf, unsigned int iqtype, unsigned int iqid,
7481 unsigned int fl0id, unsigned int fl1id)
7482 {
7483 struct fw_iq_cmd c;
7484
7485 memset(&c, 0, sizeof(c));
7486 c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_IQ_CMD) | F_FW_CMD_REQUEST |
7487 F_FW_CMD_EXEC | V_FW_IQ_CMD_PFN(pf) |
7488 V_FW_IQ_CMD_VFN(vf));
7489 c.alloc_to_len16 = cpu_to_be32(F_FW_IQ_CMD_FREE | FW_LEN16(c));
7490 c.type_to_iqandstindex = cpu_to_be32(V_FW_IQ_CMD_TYPE(iqtype));
7491 c.iqid = cpu_to_be16(iqid);
7492 c.fl0id = cpu_to_be16(fl0id);
7493 c.fl1id = cpu_to_be16(fl1id);
7494 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
7495 }
7496
7497 /**
7498 * t4_eth_eq_free - free an Ethernet egress queue
7499 * @adap: the adapter
7500 * @mbox: mailbox to use for the FW command
7501 * @pf: the PF owning the queue
7502 * @vf: the VF owning the queue
7503 * @eqid: egress queue id
7504 *
7505 * Frees an Ethernet egress queue.
7506 */
t4_eth_eq_free(struct adapter * adap,unsigned int mbox,unsigned int pf,unsigned int vf,unsigned int eqid)7507 int t4_eth_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
7508 unsigned int vf, unsigned int eqid)
7509 {
7510 struct fw_eq_eth_cmd c;
7511
7512 memset(&c, 0, sizeof(c));
7513 c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_EQ_ETH_CMD) |
7514 F_FW_CMD_REQUEST | F_FW_CMD_EXEC |
7515 V_FW_EQ_ETH_CMD_PFN(pf) |
7516 V_FW_EQ_ETH_CMD_VFN(vf));
7517 c.alloc_to_len16 = cpu_to_be32(F_FW_EQ_ETH_CMD_FREE | FW_LEN16(c));
7518 c.eqid_pkd = cpu_to_be32(V_FW_EQ_ETH_CMD_EQID(eqid));
7519 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
7520 }
7521
7522 /**
7523 * t4_ctrl_eq_free - free a control egress queue
7524 * @adap: the adapter
7525 * @mbox: mailbox to use for the FW command
7526 * @pf: the PF owning the queue
7527 * @vf: the VF owning the queue
7528 * @eqid: egress queue id
7529 *
7530 * Frees a control egress queue.
7531 */
t4_ctrl_eq_free(struct adapter * adap,unsigned int mbox,unsigned int pf,unsigned int vf,unsigned int eqid)7532 int t4_ctrl_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
7533 unsigned int vf, unsigned int eqid)
7534 {
7535 struct fw_eq_ctrl_cmd c;
7536
7537 memset(&c, 0, sizeof(c));
7538 c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_EQ_CTRL_CMD) |
7539 F_FW_CMD_REQUEST | F_FW_CMD_EXEC |
7540 V_FW_EQ_CTRL_CMD_PFN(pf) |
7541 V_FW_EQ_CTRL_CMD_VFN(vf));
7542 c.alloc_to_len16 = cpu_to_be32(F_FW_EQ_CTRL_CMD_FREE | FW_LEN16(c));
7543 c.cmpliqid_eqid = cpu_to_be32(V_FW_EQ_CTRL_CMD_EQID(eqid));
7544 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
7545 }
7546
7547 /**
7548 * t4_ofld_eq_free - free an offload egress queue
7549 * @adap: the adapter
7550 * @mbox: mailbox to use for the FW command
7551 * @pf: the PF owning the queue
7552 * @vf: the VF owning the queue
7553 * @eqid: egress queue id
7554 *
7555 * Frees a control egress queue.
7556 */
t4_ofld_eq_free(struct adapter * adap,unsigned int mbox,unsigned int pf,unsigned int vf,unsigned int eqid)7557 int t4_ofld_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
7558 unsigned int vf, unsigned int eqid)
7559 {
7560 struct fw_eq_ofld_cmd c;
7561
7562 memset(&c, 0, sizeof(c));
7563 c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_EQ_OFLD_CMD) |
7564 F_FW_CMD_REQUEST | F_FW_CMD_EXEC |
7565 V_FW_EQ_OFLD_CMD_PFN(pf) |
7566 V_FW_EQ_OFLD_CMD_VFN(vf));
7567 c.alloc_to_len16 = cpu_to_be32(F_FW_EQ_OFLD_CMD_FREE | FW_LEN16(c));
7568 c.eqid_pkd = cpu_to_be32(V_FW_EQ_OFLD_CMD_EQID(eqid));
7569 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
7570 }
7571
7572 /**
7573 * t4_link_down_rc_str - return a string for a Link Down Reason Code
7574 * @link_down_rc: Link Down Reason Code
7575 *
7576 * Returns a string representation of the Link Down Reason Code.
7577 */
t4_link_down_rc_str(unsigned char link_down_rc)7578 const char *t4_link_down_rc_str(unsigned char link_down_rc)
7579 {
7580 static const char *reason[] = {
7581 "Link Down",
7582 "Remote Fault",
7583 "Auto-negotiation Failure",
7584 "Reserved3",
7585 "Insufficient Airflow",
7586 "Unable To Determine Reason",
7587 "No RX Signal Detected",
7588 "Reserved7",
7589 };
7590
7591 if (link_down_rc >= ARRAY_SIZE(reason))
7592 return "Bad Reason Code";
7593
7594 return reason[link_down_rc];
7595 }
7596
7597 /*
7598 * Updates all fields owned by the common code in port_info and link_config
7599 * based on information provided by the firmware. Does not touch any
7600 * requested_* field.
7601 */
handle_port_info(struct port_info * pi,const struct fw_port_info * p)7602 static void handle_port_info(struct port_info *pi, const struct fw_port_info *p)
7603 {
7604 struct link_config *lc = &pi->link_cfg;
7605 int speed;
7606 unsigned char fc, fec;
7607 u32 stat = be32_to_cpu(p->lstatus_to_modtype);
7608
7609 pi->port_type = G_FW_PORT_CMD_PTYPE(stat);
7610 pi->mod_type = G_FW_PORT_CMD_MODTYPE(stat);
7611 pi->mdio_addr = stat & F_FW_PORT_CMD_MDIOCAP ?
7612 G_FW_PORT_CMD_MDIOADDR(stat) : -1;
7613
7614 lc->supported = be16_to_cpu(p->pcap);
7615 lc->advertising = be16_to_cpu(p->acap);
7616 lc->lp_advertising = be16_to_cpu(p->lpacap);
7617 lc->link_ok = (stat & F_FW_PORT_CMD_LSTATUS) != 0;
7618 lc->link_down_rc = G_FW_PORT_CMD_LINKDNRC(stat);
7619
7620 speed = 0;
7621 if (stat & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_100M))
7622 speed = 100;
7623 else if (stat & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_1G))
7624 speed = 1000;
7625 else if (stat & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_10G))
7626 speed = 10000;
7627 else if (stat & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_25G))
7628 speed = 25000;
7629 else if (stat & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_40G))
7630 speed = 40000;
7631 else if (stat & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_100G))
7632 speed = 100000;
7633 lc->speed = speed;
7634
7635 fc = 0;
7636 if (stat & F_FW_PORT_CMD_RXPAUSE)
7637 fc |= PAUSE_RX;
7638 if (stat & F_FW_PORT_CMD_TXPAUSE)
7639 fc |= PAUSE_TX;
7640 lc->fc = fc;
7641
7642 fec = 0;
7643 if (lc->advertising & FW_PORT_CAP_FEC_RS)
7644 fec = FEC_RS;
7645 else if (lc->advertising & FW_PORT_CAP_FEC_BASER_RS)
7646 fec = FEC_BASER_RS;
7647 lc->fec = fec;
7648 }
7649
7650 /**
7651 * t4_update_port_info - retrieve and update port information if changed
7652 * @pi: the port_info
7653 *
7654 * We issue a Get Port Information Command to the Firmware and, if
7655 * successful, we check to see if anything is different from what we
7656 * last recorded and update things accordingly.
7657 */
t4_update_port_info(struct port_info * pi)7658 int t4_update_port_info(struct port_info *pi)
7659 {
7660 struct fw_port_cmd port_cmd;
7661 int ret;
7662
7663 memset(&port_cmd, 0, sizeof port_cmd);
7664 port_cmd.op_to_portid = cpu_to_be32(V_FW_CMD_OP(FW_PORT_CMD) |
7665 F_FW_CMD_REQUEST | F_FW_CMD_READ |
7666 V_FW_PORT_CMD_PORTID(pi->tx_chan));
7667 port_cmd.action_to_len16 = cpu_to_be32(
7668 V_FW_PORT_CMD_ACTION(FW_PORT_ACTION_GET_PORT_INFO) |
7669 FW_LEN16(port_cmd));
7670 ret = t4_wr_mbox_ns(pi->adapter, pi->adapter->mbox,
7671 &port_cmd, sizeof(port_cmd), &port_cmd);
7672 if (ret)
7673 return ret;
7674
7675 handle_port_info(pi, &port_cmd.u.info);
7676 return 0;
7677 }
7678
7679 /**
7680 * t4_handle_fw_rpl - process a FW reply message
7681 * @adap: the adapter
7682 * @rpl: start of the FW message
7683 *
7684 * Processes a FW message, such as link state change messages.
7685 */
t4_handle_fw_rpl(struct adapter * adap,const __be64 * rpl)7686 int t4_handle_fw_rpl(struct adapter *adap, const __be64 *rpl)
7687 {
7688 u8 opcode = *(const u8 *)rpl;
7689 const struct fw_port_cmd *p = (const void *)rpl;
7690 unsigned int action =
7691 G_FW_PORT_CMD_ACTION(be32_to_cpu(p->action_to_len16));
7692
7693 if (opcode == FW_PORT_CMD && action == FW_PORT_ACTION_GET_PORT_INFO) {
7694 /* link/module state change message */
7695 int i, old_ptype, old_mtype;
7696 int chan = G_FW_PORT_CMD_PORTID(be32_to_cpu(p->op_to_portid));
7697 struct port_info *pi = NULL;
7698 struct link_config *lc, *old_lc;
7699
7700 for_each_port(adap, i) {
7701 pi = adap2pinfo(adap, i);
7702 if (pi->tx_chan == chan)
7703 break;
7704 }
7705
7706 lc = &pi->link_cfg;
7707 PORT_LOCK(pi);
7708 old_lc = &pi->old_link_cfg;
7709 old_ptype = pi->port_type;
7710 old_mtype = pi->mod_type;
7711 handle_port_info(pi, &p->u.info);
7712 PORT_UNLOCK(pi);
7713 if (old_ptype != pi->port_type || old_mtype != pi->mod_type) {
7714 t4_os_portmod_changed(pi);
7715 }
7716 PORT_LOCK(pi);
7717 if (old_lc->link_ok != lc->link_ok ||
7718 old_lc->speed != lc->speed ||
7719 old_lc->fec != lc->fec ||
7720 old_lc->fc != lc->fc) {
7721 t4_os_link_changed(pi);
7722 *old_lc = *lc;
7723 }
7724 PORT_UNLOCK(pi);
7725 } else {
7726 CH_WARN_RATELIMIT(adap, "Unknown firmware reply %d\n", opcode);
7727 return -EINVAL;
7728 }
7729 return 0;
7730 }
7731
7732 /**
7733 * get_pci_mode - determine a card's PCI mode
7734 * @adapter: the adapter
7735 * @p: where to store the PCI settings
7736 *
7737 * Determines a card's PCI mode and associated parameters, such as speed
7738 * and width.
7739 */
get_pci_mode(struct adapter * adapter,struct pci_params * p)7740 static void get_pci_mode(struct adapter *adapter,
7741 struct pci_params *p)
7742 {
7743 u16 val;
7744 u32 pcie_cap;
7745
7746 pcie_cap = t4_os_find_pci_capability(adapter, PCI_CAP_ID_EXP);
7747 if (pcie_cap) {
7748 t4_os_pci_read_cfg2(adapter, pcie_cap + PCI_EXP_LNKSTA, &val);
7749 p->speed = val & PCI_EXP_LNKSTA_CLS;
7750 p->width = (val & PCI_EXP_LNKSTA_NLW) >> 4;
7751 }
7752 }
7753
7754 struct flash_desc {
7755 u32 vendor_and_model_id;
7756 u32 size_mb;
7757 };
7758
t4_get_flash_params(struct adapter * adapter)7759 int t4_get_flash_params(struct adapter *adapter)
7760 {
7761 /*
7762 * Table for non-standard supported Flash parts. Note, all Flash
7763 * parts must have 64KB sectors.
7764 */
7765 static struct flash_desc supported_flash[] = {
7766 { 0x00150201, 4 << 20 }, /* Spansion 4MB S25FL032P */
7767 };
7768
7769 int ret;
7770 u32 flashid = 0;
7771 unsigned int part, manufacturer;
7772 unsigned int density, size = 0;
7773
7774
7775 /*
7776 * Issue a Read ID Command to the Flash part. We decode supported
7777 * Flash parts and their sizes from this. There's a newer Query
7778 * Command which can retrieve detailed geometry information but many
7779 * Flash parts don't support it.
7780 */
7781 ret = sf1_write(adapter, 1, 1, 0, SF_RD_ID);
7782 if (!ret)
7783 ret = sf1_read(adapter, 3, 0, 1, &flashid);
7784 t4_write_reg(adapter, A_SF_OP, 0); /* unlock SF */
7785 if (ret < 0)
7786 return ret;
7787
7788 /*
7789 * Check to see if it's one of our non-standard supported Flash parts.
7790 */
7791 for (part = 0; part < ARRAY_SIZE(supported_flash); part++)
7792 if (supported_flash[part].vendor_and_model_id == flashid) {
7793 adapter->params.sf_size =
7794 supported_flash[part].size_mb;
7795 adapter->params.sf_nsec =
7796 adapter->params.sf_size / SF_SEC_SIZE;
7797 goto found;
7798 }
7799
7800 /*
7801 * Decode Flash part size. The code below looks repetative with
7802 * common encodings, but that's not guaranteed in the JEDEC
7803 * specification for the Read JADEC ID command. The only thing that
7804 * we're guaranteed by the JADEC specification is where the
7805 * Manufacturer ID is in the returned result. After that each
7806 * Manufacturer ~could~ encode things completely differently.
7807 * Note, all Flash parts must have 64KB sectors.
7808 */
7809 manufacturer = flashid & 0xff;
7810 switch (manufacturer) {
7811 case 0x20: /* Micron/Numonix */
7812 /*
7813 * This Density -> Size decoding table is taken from Micron
7814 * Data Sheets.
7815 */
7816 density = (flashid >> 16) & 0xff;
7817 switch (density) {
7818 case 0x14: size = 1 << 20; break; /* 1MB */
7819 case 0x15: size = 1 << 21; break; /* 2MB */
7820 case 0x16: size = 1 << 22; break; /* 4MB */
7821 case 0x17: size = 1 << 23; break; /* 8MB */
7822 case 0x18: size = 1 << 24; break; /* 16MB */
7823 case 0x19: size = 1 << 25; break; /* 32MB */
7824 case 0x20: size = 1 << 26; break; /* 64MB */
7825 case 0x21: size = 1 << 27; break; /* 128MB */
7826 case 0x22: size = 1 << 28; break; /* 256MB */
7827 }
7828 break;
7829
7830 case 0x9d: /* ISSI -- Integrated Silicon Solution, Inc. */
7831 /*
7832 * This Density -> Size decoding table is taken from ISSI
7833 * Data Sheets.
7834 */
7835 density = (flashid >> 16) & 0xff;
7836 switch (density) {
7837 case 0x16: size = 1 << 25; break; /* 32MB */
7838 case 0x17: size = 1 << 26; break; /* 64MB */
7839 }
7840 break;
7841
7842 case 0xc2: /* Macronix */
7843 /*
7844 * This Density -> Size decoding table is taken from Macronix
7845 * Data Sheets.
7846 */
7847 density = (flashid >> 16) & 0xff;
7848 switch (density) {
7849 case 0x17: size = 1 << 23; break; /* 8MB */
7850 case 0x18: size = 1 << 24; break; /* 16MB */
7851 }
7852 break;
7853
7854 case 0xef: /* Winbond */
7855 /*
7856 * This Density -> Size decoding table is taken from Winbond
7857 * Data Sheets.
7858 */
7859 density = (flashid >> 16) & 0xff;
7860 switch (density) {
7861 case 0x17: size = 1 << 23; break; /* 8MB */
7862 case 0x18: size = 1 << 24; break; /* 16MB */
7863 }
7864 break;
7865 }
7866
7867 /* If we didn't recognize the FLASH part, that's no real issue: the
7868 * Hardware/Software contract says that Hardware will _*ALWAYS*_
7869 * use a FLASH part which is at least 4MB in size and has 64KB
7870 * sectors. The unrecognized FLASH part is likely to be much larger
7871 * than 4MB, but that's all we really need.
7872 */
7873 if (size == 0) {
7874 CH_WARN(adapter, "Unknown Flash Part, ID = %#x, assuming 4MB\n", flashid);
7875 size = 1 << 22;
7876 }
7877
7878 /*
7879 * Store decoded Flash size and fall through into vetting code.
7880 */
7881 adapter->params.sf_size = size;
7882 adapter->params.sf_nsec = size / SF_SEC_SIZE;
7883
7884 found:
7885 /*
7886 * We should ~probably~ reject adapters with FLASHes which are too
7887 * small but we have some legacy FPGAs with small FLASHes that we'd
7888 * still like to use. So instead we emit a scary message ...
7889 */
7890 if (adapter->params.sf_size < FLASH_MIN_SIZE)
7891 CH_WARN(adapter, "WARNING: Flash Part ID %#x, size %#x < %#x\n",
7892 flashid, adapter->params.sf_size, FLASH_MIN_SIZE);
7893
7894 return 0;
7895 }
7896
set_pcie_completion_timeout(struct adapter * adapter,u8 range)7897 static void set_pcie_completion_timeout(struct adapter *adapter,
7898 u8 range)
7899 {
7900 u16 val;
7901 u32 pcie_cap;
7902
7903 pcie_cap = t4_os_find_pci_capability(adapter, PCI_CAP_ID_EXP);
7904 if (pcie_cap) {
7905 t4_os_pci_read_cfg2(adapter, pcie_cap + PCI_EXP_DEVCTL2, &val);
7906 val &= 0xfff0;
7907 val |= range ;
7908 t4_os_pci_write_cfg2(adapter, pcie_cap + PCI_EXP_DEVCTL2, val);
7909 }
7910 }
7911
t4_get_chip_params(int chipid)7912 const struct chip_params *t4_get_chip_params(int chipid)
7913 {
7914 static const struct chip_params chip_params[] = {
7915 {
7916 /* T4 */
7917 .nchan = NCHAN,
7918 .pm_stats_cnt = PM_NSTATS,
7919 .cng_ch_bits_log = 2,
7920 .nsched_cls = 15,
7921 .cim_num_obq = CIM_NUM_OBQ,
7922 .mps_rplc_size = 128,
7923 .vfcount = 128,
7924 .sge_fl_db = F_DBPRIO,
7925 .mps_tcam_size = NUM_MPS_CLS_SRAM_L_INSTANCES,
7926 },
7927 {
7928 /* T5 */
7929 .nchan = NCHAN,
7930 .pm_stats_cnt = PM_NSTATS,
7931 .cng_ch_bits_log = 2,
7932 .nsched_cls = 16,
7933 .cim_num_obq = CIM_NUM_OBQ_T5,
7934 .mps_rplc_size = 128,
7935 .vfcount = 128,
7936 .sge_fl_db = F_DBPRIO | F_DBTYPE,
7937 .mps_tcam_size = NUM_MPS_T5_CLS_SRAM_L_INSTANCES,
7938 },
7939 {
7940 /* T6 */
7941 .nchan = T6_NCHAN,
7942 .pm_stats_cnt = T6_PM_NSTATS,
7943 .cng_ch_bits_log = 3,
7944 .nsched_cls = 16,
7945 .cim_num_obq = CIM_NUM_OBQ_T5,
7946 .mps_rplc_size = 256,
7947 .vfcount = 256,
7948 .sge_fl_db = 0,
7949 .mps_tcam_size = NUM_MPS_T5_CLS_SRAM_L_INSTANCES,
7950 },
7951 };
7952
7953 chipid -= CHELSIO_T4;
7954 if (chipid < 0 || chipid >= ARRAY_SIZE(chip_params))
7955 return NULL;
7956
7957 return &chip_params[chipid];
7958 }
7959
7960 /**
7961 * t4_prep_adapter - prepare SW and HW for operation
7962 * @adapter: the adapter
7963 * @buf: temporary space of at least VPD_LEN size provided by the caller.
7964 *
7965 * Initialize adapter SW state for the various HW modules, set initial
7966 * values for some adapter tunables, take PHYs out of reset, and
7967 * initialize the MDIO interface.
7968 */
t4_prep_adapter(struct adapter * adapter,u8 * buf)7969 int t4_prep_adapter(struct adapter *adapter, u8 *buf)
7970 {
7971 int ret;
7972 uint16_t device_id;
7973 uint32_t pl_rev;
7974
7975 get_pci_mode(adapter, &adapter->params.pci);
7976
7977 pl_rev = t4_read_reg(adapter, A_PL_REV);
7978 adapter->params.chipid = G_CHIPID(pl_rev);
7979 adapter->params.rev = G_REV(pl_rev);
7980 if (adapter->params.chipid == 0) {
7981 /* T4 did not have chipid in PL_REV (T5 onwards do) */
7982 adapter->params.chipid = CHELSIO_T4;
7983
7984 /* T4A1 chip is not supported */
7985 if (adapter->params.rev == 1) {
7986 CH_ALERT(adapter, "T4 rev 1 chip is not supported.\n");
7987 return -EINVAL;
7988 }
7989 }
7990
7991 adapter->chip_params = t4_get_chip_params(chip_id(adapter));
7992 if (adapter->chip_params == NULL)
7993 return -EINVAL;
7994
7995 adapter->params.pci.vpd_cap_addr =
7996 t4_os_find_pci_capability(adapter, PCI_CAP_ID_VPD);
7997
7998 ret = t4_get_flash_params(adapter);
7999 if (ret < 0)
8000 return ret;
8001
8002 ret = get_vpd_params(adapter, &adapter->params.vpd, buf);
8003 if (ret < 0)
8004 return ret;
8005
8006 /* Cards with real ASICs have the chipid in the PCIe device id */
8007 t4_os_pci_read_cfg2(adapter, PCI_DEVICE_ID, &device_id);
8008 if (device_id >> 12 == chip_id(adapter))
8009 adapter->params.cim_la_size = CIMLA_SIZE;
8010 else {
8011 /* FPGA */
8012 adapter->params.fpga = 1;
8013 adapter->params.cim_la_size = 2 * CIMLA_SIZE;
8014 }
8015
8016 init_cong_ctrl(adapter->params.a_wnd, adapter->params.b_wnd);
8017
8018 /*
8019 * Default port and clock for debugging in case we can't reach FW.
8020 */
8021 adapter->params.nports = 1;
8022 adapter->params.portvec = 1;
8023 adapter->params.vpd.cclk = 50000;
8024
8025 /* Set pci completion timeout value to 4 seconds. */
8026 set_pcie_completion_timeout(adapter, 0xd);
8027 return 0;
8028 }
8029
8030 /**
8031 * t4_shutdown_adapter - shut down adapter, host & wire
8032 * @adapter: the adapter
8033 *
8034 * Perform an emergency shutdown of the adapter and stop it from
8035 * continuing any further communication on the ports or DMA to the
8036 * host. This is typically used when the adapter and/or firmware
8037 * have crashed and we want to prevent any further accidental
8038 * communication with the rest of the world. This will also force
8039 * the port Link Status to go down -- if register writes work --
8040 * which should help our peers figure out that we're down.
8041 */
t4_shutdown_adapter(struct adapter * adapter)8042 int t4_shutdown_adapter(struct adapter *adapter)
8043 {
8044 int port;
8045
8046 t4_intr_disable(adapter);
8047 t4_write_reg(adapter, A_DBG_GPIO_EN, 0);
8048 for_each_port(adapter, port) {
8049 u32 a_port_cfg = is_t4(adapter) ?
8050 PORT_REG(port, A_XGMAC_PORT_CFG) :
8051 T5_PORT_REG(port, A_MAC_PORT_CFG);
8052
8053 t4_write_reg(adapter, a_port_cfg,
8054 t4_read_reg(adapter, a_port_cfg)
8055 & ~V_SIGNAL_DET(1));
8056 }
8057 t4_set_reg_field(adapter, A_SGE_CONTROL, F_GLOBALENABLE, 0);
8058
8059 return 0;
8060 }
8061
8062 /**
8063 * t4_init_devlog_params - initialize adapter->params.devlog
8064 * @adap: the adapter
8065 * @fw_attach: whether we can talk to the firmware
8066 *
8067 * Initialize various fields of the adapter's Firmware Device Log
8068 * Parameters structure.
8069 */
t4_init_devlog_params(struct adapter * adap,int fw_attach)8070 int t4_init_devlog_params(struct adapter *adap, int fw_attach)
8071 {
8072 struct devlog_params *dparams = &adap->params.devlog;
8073 u32 pf_dparams;
8074 unsigned int devlog_meminfo;
8075 struct fw_devlog_cmd devlog_cmd;
8076 int ret;
8077
8078 /* If we're dealing with newer firmware, the Device Log Paramerters
8079 * are stored in a designated register which allows us to access the
8080 * Device Log even if we can't talk to the firmware.
8081 */
8082 pf_dparams =
8083 t4_read_reg(adap, PCIE_FW_REG(A_PCIE_FW_PF, PCIE_FW_PF_DEVLOG));
8084 if (pf_dparams) {
8085 unsigned int nentries, nentries128;
8086
8087 dparams->memtype = G_PCIE_FW_PF_DEVLOG_MEMTYPE(pf_dparams);
8088 dparams->start = G_PCIE_FW_PF_DEVLOG_ADDR16(pf_dparams) << 4;
8089
8090 nentries128 = G_PCIE_FW_PF_DEVLOG_NENTRIES128(pf_dparams);
8091 nentries = (nentries128 + 1) * 128;
8092 dparams->size = nentries * sizeof(struct fw_devlog_e);
8093
8094 return 0;
8095 }
8096
8097 /*
8098 * For any failing returns ...
8099 */
8100 memset(dparams, 0, sizeof *dparams);
8101
8102 /*
8103 * If we can't talk to the firmware, there's really nothing we can do
8104 * at this point.
8105 */
8106 if (!fw_attach)
8107 return -ENXIO;
8108
8109 /* Otherwise, ask the firmware for it's Device Log Parameters.
8110 */
8111 memset(&devlog_cmd, 0, sizeof devlog_cmd);
8112 devlog_cmd.op_to_write = cpu_to_be32(V_FW_CMD_OP(FW_DEVLOG_CMD) |
8113 F_FW_CMD_REQUEST | F_FW_CMD_READ);
8114 devlog_cmd.retval_len16 = cpu_to_be32(FW_LEN16(devlog_cmd));
8115 ret = t4_wr_mbox(adap, adap->mbox, &devlog_cmd, sizeof(devlog_cmd),
8116 &devlog_cmd);
8117 if (ret)
8118 return ret;
8119
8120 devlog_meminfo =
8121 be32_to_cpu(devlog_cmd.memtype_devlog_memaddr16_devlog);
8122 dparams->memtype = G_FW_DEVLOG_CMD_MEMTYPE_DEVLOG(devlog_meminfo);
8123 dparams->start = G_FW_DEVLOG_CMD_MEMADDR16_DEVLOG(devlog_meminfo) << 4;
8124 dparams->size = be32_to_cpu(devlog_cmd.memsize_devlog);
8125
8126 return 0;
8127 }
8128
8129 /**
8130 * t4_init_sge_params - initialize adap->params.sge
8131 * @adapter: the adapter
8132 *
8133 * Initialize various fields of the adapter's SGE Parameters structure.
8134 */
t4_init_sge_params(struct adapter * adapter)8135 int t4_init_sge_params(struct adapter *adapter)
8136 {
8137 u32 r;
8138 struct sge_params *sp = &adapter->params.sge;
8139 unsigned i, tscale = 1;
8140
8141 r = t4_read_reg(adapter, A_SGE_INGRESS_RX_THRESHOLD);
8142 sp->counter_val[0] = G_THRESHOLD_0(r);
8143 sp->counter_val[1] = G_THRESHOLD_1(r);
8144 sp->counter_val[2] = G_THRESHOLD_2(r);
8145 sp->counter_val[3] = G_THRESHOLD_3(r);
8146
8147 if (chip_id(adapter) >= CHELSIO_T6) {
8148 r = t4_read_reg(adapter, A_SGE_ITP_CONTROL);
8149 tscale = G_TSCALE(r);
8150 if (tscale == 0)
8151 tscale = 1;
8152 else
8153 tscale += 2;
8154 }
8155
8156 r = t4_read_reg(adapter, A_SGE_TIMER_VALUE_0_AND_1);
8157 sp->timer_val[0] = core_ticks_to_us(adapter, G_TIMERVALUE0(r)) * tscale;
8158 sp->timer_val[1] = core_ticks_to_us(adapter, G_TIMERVALUE1(r)) * tscale;
8159 r = t4_read_reg(adapter, A_SGE_TIMER_VALUE_2_AND_3);
8160 sp->timer_val[2] = core_ticks_to_us(adapter, G_TIMERVALUE2(r)) * tscale;
8161 sp->timer_val[3] = core_ticks_to_us(adapter, G_TIMERVALUE3(r)) * tscale;
8162 r = t4_read_reg(adapter, A_SGE_TIMER_VALUE_4_AND_5);
8163 sp->timer_val[4] = core_ticks_to_us(adapter, G_TIMERVALUE4(r)) * tscale;
8164 sp->timer_val[5] = core_ticks_to_us(adapter, G_TIMERVALUE5(r)) * tscale;
8165
8166 r = t4_read_reg(adapter, A_SGE_CONM_CTRL);
8167 sp->fl_starve_threshold = G_EGRTHRESHOLD(r) * 2 + 1;
8168 if (is_t4(adapter))
8169 sp->fl_starve_threshold2 = sp->fl_starve_threshold;
8170 else if (is_t5(adapter))
8171 sp->fl_starve_threshold2 = G_EGRTHRESHOLDPACKING(r) * 2 + 1;
8172 else
8173 sp->fl_starve_threshold2 = G_T6_EGRTHRESHOLDPACKING(r) * 2 + 1;
8174
8175 /* egress queues: log2 of # of doorbells per BAR2 page */
8176 r = t4_read_reg(adapter, A_SGE_EGRESS_QUEUES_PER_PAGE_PF);
8177 r >>= S_QUEUESPERPAGEPF0 +
8178 (S_QUEUESPERPAGEPF1 - S_QUEUESPERPAGEPF0) * adapter->pf;
8179 sp->eq_s_qpp = r & M_QUEUESPERPAGEPF0;
8180
8181 /* ingress queues: log2 of # of doorbells per BAR2 page */
8182 r = t4_read_reg(adapter, A_SGE_INGRESS_QUEUES_PER_PAGE_PF);
8183 r >>= S_QUEUESPERPAGEPF0 +
8184 (S_QUEUESPERPAGEPF1 - S_QUEUESPERPAGEPF0) * adapter->pf;
8185 sp->iq_s_qpp = r & M_QUEUESPERPAGEPF0;
8186
8187 r = t4_read_reg(adapter, A_SGE_HOST_PAGE_SIZE);
8188 r >>= S_HOSTPAGESIZEPF0 +
8189 (S_HOSTPAGESIZEPF1 - S_HOSTPAGESIZEPF0) * adapter->pf;
8190 sp->page_shift = (r & M_HOSTPAGESIZEPF0) + 10;
8191
8192 r = t4_read_reg(adapter, A_SGE_CONTROL);
8193 sp->sge_control = r;
8194 sp->spg_len = r & F_EGRSTATUSPAGESIZE ? 128 : 64;
8195 sp->fl_pktshift = G_PKTSHIFT(r);
8196 if (chip_id(adapter) <= CHELSIO_T5) {
8197 sp->pad_boundary = 1 << (G_INGPADBOUNDARY(r) +
8198 X_INGPADBOUNDARY_SHIFT);
8199 } else {
8200 sp->pad_boundary = 1 << (G_INGPADBOUNDARY(r) +
8201 X_T6_INGPADBOUNDARY_SHIFT);
8202 }
8203 if (is_t4(adapter))
8204 sp->pack_boundary = sp->pad_boundary;
8205 else {
8206 r = t4_read_reg(adapter, A_SGE_CONTROL2);
8207 if (G_INGPACKBOUNDARY(r) == 0)
8208 sp->pack_boundary = 16;
8209 else
8210 sp->pack_boundary = 1 << (G_INGPACKBOUNDARY(r) + 5);
8211 }
8212 for (i = 0; i < SGE_FLBUF_SIZES; i++)
8213 sp->sge_fl_buffer_size[i] = t4_read_reg(adapter,
8214 A_SGE_FL_BUFFER_SIZE0 + (4 * i));
8215
8216 return 0;
8217 }
8218
8219 /*
8220 * Read and cache the adapter's compressed filter mode and ingress config.
8221 */
read_filter_mode_and_ingress_config(struct adapter * adap,bool sleep_ok)8222 static void read_filter_mode_and_ingress_config(struct adapter *adap,
8223 bool sleep_ok)
8224 {
8225 struct tp_params *tpp = &adap->params.tp;
8226
8227 t4_tp_pio_read(adap, &tpp->vlan_pri_map, 1, A_TP_VLAN_PRI_MAP,
8228 sleep_ok);
8229 t4_tp_pio_read(adap, &tpp->ingress_config, 1, A_TP_INGRESS_CONFIG,
8230 sleep_ok);
8231
8232 /*
8233 * Now that we have TP_VLAN_PRI_MAP cached, we can calculate the field
8234 * shift positions of several elements of the Compressed Filter Tuple
8235 * for this adapter which we need frequently ...
8236 */
8237 tpp->fcoe_shift = t4_filter_field_shift(adap, F_FCOE);
8238 tpp->port_shift = t4_filter_field_shift(adap, F_PORT);
8239 tpp->vnic_shift = t4_filter_field_shift(adap, F_VNIC_ID);
8240 tpp->vlan_shift = t4_filter_field_shift(adap, F_VLAN);
8241 tpp->tos_shift = t4_filter_field_shift(adap, F_TOS);
8242 tpp->protocol_shift = t4_filter_field_shift(adap, F_PROTOCOL);
8243 tpp->ethertype_shift = t4_filter_field_shift(adap, F_ETHERTYPE);
8244 tpp->macmatch_shift = t4_filter_field_shift(adap, F_MACMATCH);
8245 tpp->matchtype_shift = t4_filter_field_shift(adap, F_MPSHITTYPE);
8246 tpp->frag_shift = t4_filter_field_shift(adap, F_FRAGMENTATION);
8247
8248 /*
8249 * If TP_INGRESS_CONFIG.VNID == 0, then TP_VLAN_PRI_MAP.VNIC_ID
8250 * represents the presense of an Outer VLAN instead of a VNIC ID.
8251 */
8252 if ((tpp->ingress_config & F_VNIC) == 0)
8253 tpp->vnic_shift = -1;
8254 }
8255
8256 /**
8257 * t4_init_tp_params - initialize adap->params.tp
8258 * @adap: the adapter
8259 *
8260 * Initialize various fields of the adapter's TP Parameters structure.
8261 */
t4_init_tp_params(struct adapter * adap,bool sleep_ok)8262 int t4_init_tp_params(struct adapter *adap, bool sleep_ok)
8263 {
8264 int chan;
8265 u32 v;
8266 struct tp_params *tpp = &adap->params.tp;
8267
8268 v = t4_read_reg(adap, A_TP_TIMER_RESOLUTION);
8269 tpp->tre = G_TIMERRESOLUTION(v);
8270 tpp->dack_re = G_DELAYEDACKRESOLUTION(v);
8271
8272 /* MODQ_REQ_MAP defaults to setting queues 0-3 to chan 0-3 */
8273 for (chan = 0; chan < MAX_NCHAN; chan++)
8274 tpp->tx_modq[chan] = chan;
8275
8276 read_filter_mode_and_ingress_config(adap, sleep_ok);
8277
8278 /*
8279 * Cache a mask of the bits that represent the error vector portion of
8280 * rx_pkt.err_vec. T6+ can use a compressed error vector to make room
8281 * for information about outer encapsulation (GENEVE/VXLAN/NVGRE).
8282 */
8283 tpp->err_vec_mask = htobe16(0xffff);
8284 if (chip_id(adap) > CHELSIO_T5) {
8285 v = t4_read_reg(adap, A_TP_OUT_CONFIG);
8286 if (v & F_CRXPKTENC) {
8287 tpp->err_vec_mask =
8288 htobe16(V_T6_COMPR_RXERR_VEC(M_T6_COMPR_RXERR_VEC));
8289 }
8290 }
8291
8292 return 0;
8293 }
8294
8295 /**
8296 * t4_filter_field_shift - calculate filter field shift
8297 * @adap: the adapter
8298 * @filter_sel: the desired field (from TP_VLAN_PRI_MAP bits)
8299 *
8300 * Return the shift position of a filter field within the Compressed
8301 * Filter Tuple. The filter field is specified via its selection bit
8302 * within TP_VLAN_PRI_MAL (filter mode). E.g. F_VLAN.
8303 */
t4_filter_field_shift(const struct adapter * adap,int filter_sel)8304 int t4_filter_field_shift(const struct adapter *adap, int filter_sel)
8305 {
8306 unsigned int filter_mode = adap->params.tp.vlan_pri_map;
8307 unsigned int sel;
8308 int field_shift;
8309
8310 if ((filter_mode & filter_sel) == 0)
8311 return -1;
8312
8313 for (sel = 1, field_shift = 0; sel < filter_sel; sel <<= 1) {
8314 switch (filter_mode & sel) {
8315 case F_FCOE:
8316 field_shift += W_FT_FCOE;
8317 break;
8318 case F_PORT:
8319 field_shift += W_FT_PORT;
8320 break;
8321 case F_VNIC_ID:
8322 field_shift += W_FT_VNIC_ID;
8323 break;
8324 case F_VLAN:
8325 field_shift += W_FT_VLAN;
8326 break;
8327 case F_TOS:
8328 field_shift += W_FT_TOS;
8329 break;
8330 case F_PROTOCOL:
8331 field_shift += W_FT_PROTOCOL;
8332 break;
8333 case F_ETHERTYPE:
8334 field_shift += W_FT_ETHERTYPE;
8335 break;
8336 case F_MACMATCH:
8337 field_shift += W_FT_MACMATCH;
8338 break;
8339 case F_MPSHITTYPE:
8340 field_shift += W_FT_MPSHITTYPE;
8341 break;
8342 case F_FRAGMENTATION:
8343 field_shift += W_FT_FRAGMENTATION;
8344 break;
8345 }
8346 }
8347 return field_shift;
8348 }
8349
t4_port_init(struct adapter * adap,int mbox,int pf,int vf,int port_id)8350 int t4_port_init(struct adapter *adap, int mbox, int pf, int vf, int port_id)
8351 {
8352 u8 addr[6];
8353 int ret, i, j;
8354 u16 rss_size;
8355 struct port_info *p = adap2pinfo(adap, port_id);
8356 u32 param, val;
8357
8358 for (i = 0, j = -1; i <= p->port_id; i++) {
8359 do {
8360 j++;
8361 } while ((adap->params.portvec & (1 << j)) == 0);
8362 }
8363
8364 if (!(adap->flags & IS_VF) ||
8365 adap->params.vfres.r_caps & FW_CMD_CAP_PORT) {
8366 t4_update_port_info(p);
8367 }
8368
8369 ret = t4_alloc_vi(adap, mbox, j, pf, vf, 1, addr, &rss_size);
8370 if (ret < 0)
8371 return ret;
8372
8373 p->vi[0].viid = ret;
8374 if (chip_id(adap) <= CHELSIO_T5)
8375 p->vi[0].smt_idx = (ret & 0x7f) << 1;
8376 else
8377 p->vi[0].smt_idx = (ret & 0x7f);
8378 p->tx_chan = j;
8379 p->rx_chan_map = t4_get_mps_bg_map(adap, j);
8380 p->lport = j;
8381 p->vi[0].rss_size = rss_size;
8382 t4_os_set_hw_addr(p, addr);
8383
8384 param = V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) |
8385 V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_RSSINFO) |
8386 V_FW_PARAMS_PARAM_YZ(p->vi[0].viid);
8387 ret = t4_query_params(adap, mbox, pf, vf, 1, ¶m, &val);
8388 if (ret)
8389 p->vi[0].rss_base = 0xffff;
8390 else {
8391 /* MPASS((val >> 16) == rss_size); */
8392 p->vi[0].rss_base = val & 0xffff;
8393 }
8394
8395 return 0;
8396 }
8397
8398 /**
8399 * t4_read_cimq_cfg - read CIM queue configuration
8400 * @adap: the adapter
8401 * @base: holds the queue base addresses in bytes
8402 * @size: holds the queue sizes in bytes
8403 * @thres: holds the queue full thresholds in bytes
8404 *
8405 * Returns the current configuration of the CIM queues, starting with
8406 * the IBQs, then the OBQs.
8407 */
t4_read_cimq_cfg(struct adapter * adap,u16 * base,u16 * size,u16 * thres)8408 void t4_read_cimq_cfg(struct adapter *adap, u16 *base, u16 *size, u16 *thres)
8409 {
8410 unsigned int i, v;
8411 int cim_num_obq = adap->chip_params->cim_num_obq;
8412
8413 for (i = 0; i < CIM_NUM_IBQ; i++) {
8414 t4_write_reg(adap, A_CIM_QUEUE_CONFIG_REF, F_IBQSELECT |
8415 V_QUENUMSELECT(i));
8416 v = t4_read_reg(adap, A_CIM_QUEUE_CONFIG_CTRL);
8417 /* value is in 256-byte units */
8418 *base++ = G_CIMQBASE(v) * 256;
8419 *size++ = G_CIMQSIZE(v) * 256;
8420 *thres++ = G_QUEFULLTHRSH(v) * 8; /* 8-byte unit */
8421 }
8422 for (i = 0; i < cim_num_obq; i++) {
8423 t4_write_reg(adap, A_CIM_QUEUE_CONFIG_REF, F_OBQSELECT |
8424 V_QUENUMSELECT(i));
8425 v = t4_read_reg(adap, A_CIM_QUEUE_CONFIG_CTRL);
8426 /* value is in 256-byte units */
8427 *base++ = G_CIMQBASE(v) * 256;
8428 *size++ = G_CIMQSIZE(v) * 256;
8429 }
8430 }
8431
8432 /**
8433 * t4_read_cim_ibq - read the contents of a CIM inbound queue
8434 * @adap: the adapter
8435 * @qid: the queue index
8436 * @data: where to store the queue contents
8437 * @n: capacity of @data in 32-bit words
8438 *
8439 * Reads the contents of the selected CIM queue starting at address 0 up
8440 * to the capacity of @data. @n must be a multiple of 4. Returns < 0 on
8441 * error and the number of 32-bit words actually read on success.
8442 */
t4_read_cim_ibq(struct adapter * adap,unsigned int qid,u32 * data,size_t n)8443 int t4_read_cim_ibq(struct adapter *adap, unsigned int qid, u32 *data, size_t n)
8444 {
8445 int i, err, attempts;
8446 unsigned int addr;
8447 const unsigned int nwords = CIM_IBQ_SIZE * 4;
8448
8449 if (qid > 5 || (n & 3))
8450 return -EINVAL;
8451
8452 addr = qid * nwords;
8453 if (n > nwords)
8454 n = nwords;
8455
8456 /* It might take 3-10ms before the IBQ debug read access is allowed.
8457 * Wait for 1 Sec with a delay of 1 usec.
8458 */
8459 attempts = 1000000;
8460
8461 for (i = 0; i < n; i++, addr++) {
8462 t4_write_reg(adap, A_CIM_IBQ_DBG_CFG, V_IBQDBGADDR(addr) |
8463 F_IBQDBGEN);
8464 err = t4_wait_op_done(adap, A_CIM_IBQ_DBG_CFG, F_IBQDBGBUSY, 0,
8465 attempts, 1);
8466 if (err)
8467 return err;
8468 *data++ = t4_read_reg(adap, A_CIM_IBQ_DBG_DATA);
8469 }
8470 t4_write_reg(adap, A_CIM_IBQ_DBG_CFG, 0);
8471 return i;
8472 }
8473
8474 /**
8475 * t4_read_cim_obq - read the contents of a CIM outbound queue
8476 * @adap: the adapter
8477 * @qid: the queue index
8478 * @data: where to store the queue contents
8479 * @n: capacity of @data in 32-bit words
8480 *
8481 * Reads the contents of the selected CIM queue starting at address 0 up
8482 * to the capacity of @data. @n must be a multiple of 4. Returns < 0 on
8483 * error and the number of 32-bit words actually read on success.
8484 */
t4_read_cim_obq(struct adapter * adap,unsigned int qid,u32 * data,size_t n)8485 int t4_read_cim_obq(struct adapter *adap, unsigned int qid, u32 *data, size_t n)
8486 {
8487 int i, err;
8488 unsigned int addr, v, nwords;
8489 int cim_num_obq = adap->chip_params->cim_num_obq;
8490
8491 if ((qid > (cim_num_obq - 1)) || (n & 3))
8492 return -EINVAL;
8493
8494 t4_write_reg(adap, A_CIM_QUEUE_CONFIG_REF, F_OBQSELECT |
8495 V_QUENUMSELECT(qid));
8496 v = t4_read_reg(adap, A_CIM_QUEUE_CONFIG_CTRL);
8497
8498 addr = G_CIMQBASE(v) * 64; /* muliple of 256 -> muliple of 4 */
8499 nwords = G_CIMQSIZE(v) * 64; /* same */
8500 if (n > nwords)
8501 n = nwords;
8502
8503 for (i = 0; i < n; i++, addr++) {
8504 t4_write_reg(adap, A_CIM_OBQ_DBG_CFG, V_OBQDBGADDR(addr) |
8505 F_OBQDBGEN);
8506 err = t4_wait_op_done(adap, A_CIM_OBQ_DBG_CFG, F_OBQDBGBUSY, 0,
8507 2, 1);
8508 if (err)
8509 return err;
8510 *data++ = t4_read_reg(adap, A_CIM_OBQ_DBG_DATA);
8511 }
8512 t4_write_reg(adap, A_CIM_OBQ_DBG_CFG, 0);
8513 return i;
8514 }
8515
8516 enum {
8517 CIM_QCTL_BASE = 0,
8518 CIM_CTL_BASE = 0x2000,
8519 CIM_PBT_ADDR_BASE = 0x2800,
8520 CIM_PBT_LRF_BASE = 0x3000,
8521 CIM_PBT_DATA_BASE = 0x3800
8522 };
8523
8524 /**
8525 * t4_cim_read - read a block from CIM internal address space
8526 * @adap: the adapter
8527 * @addr: the start address within the CIM address space
8528 * @n: number of words to read
8529 * @valp: where to store the result
8530 *
8531 * Reads a block of 4-byte words from the CIM intenal address space.
8532 */
t4_cim_read(struct adapter * adap,unsigned int addr,unsigned int n,unsigned int * valp)8533 int t4_cim_read(struct adapter *adap, unsigned int addr, unsigned int n,
8534 unsigned int *valp)
8535 {
8536 int ret = 0;
8537
8538 if (t4_read_reg(adap, A_CIM_HOST_ACC_CTRL) & F_HOSTBUSY)
8539 return -EBUSY;
8540
8541 for ( ; !ret && n--; addr += 4) {
8542 t4_write_reg(adap, A_CIM_HOST_ACC_CTRL, addr);
8543 ret = t4_wait_op_done(adap, A_CIM_HOST_ACC_CTRL, F_HOSTBUSY,
8544 0, 5, 2);
8545 if (!ret)
8546 *valp++ = t4_read_reg(adap, A_CIM_HOST_ACC_DATA);
8547 }
8548 return ret;
8549 }
8550
8551 /**
8552 * t4_cim_write - write a block into CIM internal address space
8553 * @adap: the adapter
8554 * @addr: the start address within the CIM address space
8555 * @n: number of words to write
8556 * @valp: set of values to write
8557 *
8558 * Writes a block of 4-byte words into the CIM intenal address space.
8559 */
t4_cim_write(struct adapter * adap,unsigned int addr,unsigned int n,const unsigned int * valp)8560 int t4_cim_write(struct adapter *adap, unsigned int addr, unsigned int n,
8561 const unsigned int *valp)
8562 {
8563 int ret = 0;
8564
8565 if (t4_read_reg(adap, A_CIM_HOST_ACC_CTRL) & F_HOSTBUSY)
8566 return -EBUSY;
8567
8568 for ( ; !ret && n--; addr += 4) {
8569 t4_write_reg(adap, A_CIM_HOST_ACC_DATA, *valp++);
8570 t4_write_reg(adap, A_CIM_HOST_ACC_CTRL, addr | F_HOSTWRITE);
8571 ret = t4_wait_op_done(adap, A_CIM_HOST_ACC_CTRL, F_HOSTBUSY,
8572 0, 5, 2);
8573 }
8574 return ret;
8575 }
8576
t4_cim_write1(struct adapter * adap,unsigned int addr,unsigned int val)8577 static int t4_cim_write1(struct adapter *adap, unsigned int addr,
8578 unsigned int val)
8579 {
8580 return t4_cim_write(adap, addr, 1, &val);
8581 }
8582
8583 /**
8584 * t4_cim_ctl_read - read a block from CIM control region
8585 * @adap: the adapter
8586 * @addr: the start address within the CIM control region
8587 * @n: number of words to read
8588 * @valp: where to store the result
8589 *
8590 * Reads a block of 4-byte words from the CIM control region.
8591 */
t4_cim_ctl_read(struct adapter * adap,unsigned int addr,unsigned int n,unsigned int * valp)8592 int t4_cim_ctl_read(struct adapter *adap, unsigned int addr, unsigned int n,
8593 unsigned int *valp)
8594 {
8595 return t4_cim_read(adap, addr + CIM_CTL_BASE, n, valp);
8596 }
8597
8598 /**
8599 * t4_cim_read_la - read CIM LA capture buffer
8600 * @adap: the adapter
8601 * @la_buf: where to store the LA data
8602 * @wrptr: the HW write pointer within the capture buffer
8603 *
8604 * Reads the contents of the CIM LA buffer with the most recent entry at
8605 * the end of the returned data and with the entry at @wrptr first.
8606 * We try to leave the LA in the running state we find it in.
8607 */
t4_cim_read_la(struct adapter * adap,u32 * la_buf,unsigned int * wrptr)8608 int t4_cim_read_la(struct adapter *adap, u32 *la_buf, unsigned int *wrptr)
8609 {
8610 int i, ret;
8611 unsigned int cfg, val, idx;
8612
8613 ret = t4_cim_read(adap, A_UP_UP_DBG_LA_CFG, 1, &cfg);
8614 if (ret)
8615 return ret;
8616
8617 if (cfg & F_UPDBGLAEN) { /* LA is running, freeze it */
8618 ret = t4_cim_write1(adap, A_UP_UP_DBG_LA_CFG, 0);
8619 if (ret)
8620 return ret;
8621 }
8622
8623 ret = t4_cim_read(adap, A_UP_UP_DBG_LA_CFG, 1, &val);
8624 if (ret)
8625 goto restart;
8626
8627 idx = G_UPDBGLAWRPTR(val);
8628 if (wrptr)
8629 *wrptr = idx;
8630
8631 for (i = 0; i < adap->params.cim_la_size; i++) {
8632 ret = t4_cim_write1(adap, A_UP_UP_DBG_LA_CFG,
8633 V_UPDBGLARDPTR(idx) | F_UPDBGLARDEN);
8634 if (ret)
8635 break;
8636 ret = t4_cim_read(adap, A_UP_UP_DBG_LA_CFG, 1, &val);
8637 if (ret)
8638 break;
8639 if (val & F_UPDBGLARDEN) {
8640 ret = -ETIMEDOUT;
8641 break;
8642 }
8643 ret = t4_cim_read(adap, A_UP_UP_DBG_LA_DATA, 1, &la_buf[i]);
8644 if (ret)
8645 break;
8646
8647 /* address can't exceed 0xfff (UpDbgLaRdPtr is of 12-bits) */
8648 idx = (idx + 1) & M_UPDBGLARDPTR;
8649 /*
8650 * Bits 0-3 of UpDbgLaRdPtr can be between 0000 to 1001 to
8651 * identify the 32-bit portion of the full 312-bit data
8652 */
8653 if (is_t6(adap))
8654 while ((idx & 0xf) > 9)
8655 idx = (idx + 1) % M_UPDBGLARDPTR;
8656 }
8657 restart:
8658 if (cfg & F_UPDBGLAEN) {
8659 int r = t4_cim_write1(adap, A_UP_UP_DBG_LA_CFG,
8660 cfg & ~F_UPDBGLARDEN);
8661 if (!ret)
8662 ret = r;
8663 }
8664 return ret;
8665 }
8666
8667 /**
8668 * t4_tp_read_la - read TP LA capture buffer
8669 * @adap: the adapter
8670 * @la_buf: where to store the LA data
8671 * @wrptr: the HW write pointer within the capture buffer
8672 *
8673 * Reads the contents of the TP LA buffer with the most recent entry at
8674 * the end of the returned data and with the entry at @wrptr first.
8675 * We leave the LA in the running state we find it in.
8676 */
t4_tp_read_la(struct adapter * adap,u64 * la_buf,unsigned int * wrptr)8677 void t4_tp_read_la(struct adapter *adap, u64 *la_buf, unsigned int *wrptr)
8678 {
8679 bool last_incomplete;
8680 unsigned int i, cfg, val, idx;
8681
8682 cfg = t4_read_reg(adap, A_TP_DBG_LA_CONFIG) & 0xffff;
8683 if (cfg & F_DBGLAENABLE) /* freeze LA */
8684 t4_write_reg(adap, A_TP_DBG_LA_CONFIG,
8685 adap->params.tp.la_mask | (cfg ^ F_DBGLAENABLE));
8686
8687 val = t4_read_reg(adap, A_TP_DBG_LA_CONFIG);
8688 idx = G_DBGLAWPTR(val);
8689 last_incomplete = G_DBGLAMODE(val) >= 2 && (val & F_DBGLAWHLF) == 0;
8690 if (last_incomplete)
8691 idx = (idx + 1) & M_DBGLARPTR;
8692 if (wrptr)
8693 *wrptr = idx;
8694
8695 val &= 0xffff;
8696 val &= ~V_DBGLARPTR(M_DBGLARPTR);
8697 val |= adap->params.tp.la_mask;
8698
8699 for (i = 0; i < TPLA_SIZE; i++) {
8700 t4_write_reg(adap, A_TP_DBG_LA_CONFIG, V_DBGLARPTR(idx) | val);
8701 la_buf[i] = t4_read_reg64(adap, A_TP_DBG_LA_DATAL);
8702 idx = (idx + 1) & M_DBGLARPTR;
8703 }
8704
8705 /* Wipe out last entry if it isn't valid */
8706 if (last_incomplete)
8707 la_buf[TPLA_SIZE - 1] = ~0ULL;
8708
8709 if (cfg & F_DBGLAENABLE) /* restore running state */
8710 t4_write_reg(adap, A_TP_DBG_LA_CONFIG,
8711 cfg | adap->params.tp.la_mask);
8712 }
8713
8714 /*
8715 * SGE Hung Ingress DMA Warning Threshold time and Warning Repeat Rate (in
8716 * seconds). If we find one of the SGE Ingress DMA State Machines in the same
8717 * state for more than the Warning Threshold then we'll issue a warning about
8718 * a potential hang. We'll repeat the warning as the SGE Ingress DMA Channel
8719 * appears to be hung every Warning Repeat second till the situation clears.
8720 * If the situation clears, we'll note that as well.
8721 */
8722 #define SGE_IDMA_WARN_THRESH 1
8723 #define SGE_IDMA_WARN_REPEAT 300
8724
8725 /**
8726 * t4_idma_monitor_init - initialize SGE Ingress DMA Monitor
8727 * @adapter: the adapter
8728 * @idma: the adapter IDMA Monitor state
8729 *
8730 * Initialize the state of an SGE Ingress DMA Monitor.
8731 */
t4_idma_monitor_init(struct adapter * adapter,struct sge_idma_monitor_state * idma)8732 void t4_idma_monitor_init(struct adapter *adapter,
8733 struct sge_idma_monitor_state *idma)
8734 {
8735 /* Initialize the state variables for detecting an SGE Ingress DMA
8736 * hang. The SGE has internal counters which count up on each clock
8737 * tick whenever the SGE finds its Ingress DMA State Engines in the
8738 * same state they were on the previous clock tick. The clock used is
8739 * the Core Clock so we have a limit on the maximum "time" they can
8740 * record; typically a very small number of seconds. For instance,
8741 * with a 600MHz Core Clock, we can only count up to a bit more than
8742 * 7s. So we'll synthesize a larger counter in order to not run the
8743 * risk of having the "timers" overflow and give us the flexibility to
8744 * maintain a Hung SGE State Machine of our own which operates across
8745 * a longer time frame.
8746 */
8747 idma->idma_1s_thresh = core_ticks_per_usec(adapter) * 1000000; /* 1s */
8748 idma->idma_stalled[0] = idma->idma_stalled[1] = 0;
8749 }
8750
8751 /**
8752 * t4_idma_monitor - monitor SGE Ingress DMA state
8753 * @adapter: the adapter
8754 * @idma: the adapter IDMA Monitor state
8755 * @hz: number of ticks/second
8756 * @ticks: number of ticks since the last IDMA Monitor call
8757 */
t4_idma_monitor(struct adapter * adapter,struct sge_idma_monitor_state * idma,int hz,int ticks)8758 void t4_idma_monitor(struct adapter *adapter,
8759 struct sge_idma_monitor_state *idma,
8760 int hz, int ticks)
8761 {
8762 int i, idma_same_state_cnt[2];
8763
8764 /* Read the SGE Debug Ingress DMA Same State Count registers. These
8765 * are counters inside the SGE which count up on each clock when the
8766 * SGE finds its Ingress DMA State Engines in the same states they
8767 * were in the previous clock. The counters will peg out at
8768 * 0xffffffff without wrapping around so once they pass the 1s
8769 * threshold they'll stay above that till the IDMA state changes.
8770 */
8771 t4_write_reg(adapter, A_SGE_DEBUG_INDEX, 13);
8772 idma_same_state_cnt[0] = t4_read_reg(adapter, A_SGE_DEBUG_DATA_HIGH);
8773 idma_same_state_cnt[1] = t4_read_reg(adapter, A_SGE_DEBUG_DATA_LOW);
8774
8775 for (i = 0; i < 2; i++) {
8776 u32 debug0, debug11;
8777
8778 /* If the Ingress DMA Same State Counter ("timer") is less
8779 * than 1s, then we can reset our synthesized Stall Timer and
8780 * continue. If we have previously emitted warnings about a
8781 * potential stalled Ingress Queue, issue a note indicating
8782 * that the Ingress Queue has resumed forward progress.
8783 */
8784 if (idma_same_state_cnt[i] < idma->idma_1s_thresh) {
8785 if (idma->idma_stalled[i] >= SGE_IDMA_WARN_THRESH*hz)
8786 CH_WARN(adapter, "SGE idma%d, queue %u, "
8787 "resumed after %d seconds\n",
8788 i, idma->idma_qid[i],
8789 idma->idma_stalled[i]/hz);
8790 idma->idma_stalled[i] = 0;
8791 continue;
8792 }
8793
8794 /* Synthesize an SGE Ingress DMA Same State Timer in the Hz
8795 * domain. The first time we get here it'll be because we
8796 * passed the 1s Threshold; each additional time it'll be
8797 * because the RX Timer Callback is being fired on its regular
8798 * schedule.
8799 *
8800 * If the stall is below our Potential Hung Ingress Queue
8801 * Warning Threshold, continue.
8802 */
8803 if (idma->idma_stalled[i] == 0) {
8804 idma->idma_stalled[i] = hz;
8805 idma->idma_warn[i] = 0;
8806 } else {
8807 idma->idma_stalled[i] += ticks;
8808 idma->idma_warn[i] -= ticks;
8809 }
8810
8811 if (idma->idma_stalled[i] < SGE_IDMA_WARN_THRESH*hz)
8812 continue;
8813
8814 /* We'll issue a warning every SGE_IDMA_WARN_REPEAT seconds.
8815 */
8816 if (idma->idma_warn[i] > 0)
8817 continue;
8818 idma->idma_warn[i] = SGE_IDMA_WARN_REPEAT*hz;
8819
8820 /* Read and save the SGE IDMA State and Queue ID information.
8821 * We do this every time in case it changes across time ...
8822 * can't be too careful ...
8823 */
8824 t4_write_reg(adapter, A_SGE_DEBUG_INDEX, 0);
8825 debug0 = t4_read_reg(adapter, A_SGE_DEBUG_DATA_LOW);
8826 idma->idma_state[i] = (debug0 >> (i * 9)) & 0x3f;
8827
8828 t4_write_reg(adapter, A_SGE_DEBUG_INDEX, 11);
8829 debug11 = t4_read_reg(adapter, A_SGE_DEBUG_DATA_LOW);
8830 idma->idma_qid[i] = (debug11 >> (i * 16)) & 0xffff;
8831
8832 CH_WARN(adapter, "SGE idma%u, queue %u, potentially stuck in "
8833 " state %u for %d seconds (debug0=%#x, debug11=%#x)\n",
8834 i, idma->idma_qid[i], idma->idma_state[i],
8835 idma->idma_stalled[i]/hz,
8836 debug0, debug11);
8837 t4_sge_decode_idma_state(adapter, idma->idma_state[i]);
8838 }
8839 }
8840
8841 /**
8842 * t4_read_pace_tbl - read the pace table
8843 * @adap: the adapter
8844 * @pace_vals: holds the returned values
8845 *
8846 * Returns the values of TP's pace table in microseconds.
8847 */
t4_read_pace_tbl(struct adapter * adap,unsigned int pace_vals[NTX_SCHED])8848 void t4_read_pace_tbl(struct adapter *adap, unsigned int pace_vals[NTX_SCHED])
8849 {
8850 unsigned int i, v;
8851
8852 for (i = 0; i < NTX_SCHED; i++) {
8853 t4_write_reg(adap, A_TP_PACE_TABLE, 0xffff0000 + i);
8854 v = t4_read_reg(adap, A_TP_PACE_TABLE);
8855 pace_vals[i] = dack_ticks_to_usec(adap, v);
8856 }
8857 }
8858
8859 /**
8860 * t4_get_tx_sched - get the configuration of a Tx HW traffic scheduler
8861 * @adap: the adapter
8862 * @sched: the scheduler index
8863 * @kbps: the byte rate in Kbps
8864 * @ipg: the interpacket delay in tenths of nanoseconds
8865 *
8866 * Return the current configuration of a HW Tx scheduler.
8867 */
t4_get_tx_sched(struct adapter * adap,unsigned int sched,unsigned int * kbps,unsigned int * ipg,bool sleep_ok)8868 void t4_get_tx_sched(struct adapter *adap, unsigned int sched, unsigned int *kbps,
8869 unsigned int *ipg, bool sleep_ok)
8870 {
8871 unsigned int v, addr, bpt, cpt;
8872
8873 if (kbps) {
8874 addr = A_TP_TX_MOD_Q1_Q0_RATE_LIMIT - sched / 2;
8875 t4_tp_tm_pio_read(adap, &v, 1, addr, sleep_ok);
8876 if (sched & 1)
8877 v >>= 16;
8878 bpt = (v >> 8) & 0xff;
8879 cpt = v & 0xff;
8880 if (!cpt)
8881 *kbps = 0; /* scheduler disabled */
8882 else {
8883 v = (adap->params.vpd.cclk * 1000) / cpt; /* ticks/s */
8884 *kbps = (v * bpt) / 125;
8885 }
8886 }
8887 if (ipg) {
8888 addr = A_TP_TX_MOD_Q1_Q0_TIMER_SEPARATOR - sched / 2;
8889 t4_tp_tm_pio_read(adap, &v, 1, addr, sleep_ok);
8890 if (sched & 1)
8891 v >>= 16;
8892 v &= 0xffff;
8893 *ipg = (10000 * v) / core_ticks_per_usec(adap);
8894 }
8895 }
8896
8897 /**
8898 * t4_load_cfg - download config file
8899 * @adap: the adapter
8900 * @cfg_data: the cfg text file to write
8901 * @size: text file size
8902 *
8903 * Write the supplied config text file to the card's serial flash.
8904 */
t4_load_cfg(struct adapter * adap,const u8 * cfg_data,unsigned int size)8905 int t4_load_cfg(struct adapter *adap, const u8 *cfg_data, unsigned int size)
8906 {
8907 int ret, i, n, cfg_addr;
8908 unsigned int addr;
8909 unsigned int flash_cfg_start_sec;
8910 unsigned int sf_sec_size = adap->params.sf_size / adap->params.sf_nsec;
8911
8912 cfg_addr = t4_flash_cfg_addr(adap);
8913 if (cfg_addr < 0)
8914 return cfg_addr;
8915
8916 addr = cfg_addr;
8917 flash_cfg_start_sec = addr / SF_SEC_SIZE;
8918
8919 if (size > FLASH_CFG_MAX_SIZE) {
8920 CH_ERR(adap, "cfg file too large, max is %u bytes\n",
8921 FLASH_CFG_MAX_SIZE);
8922 return -EFBIG;
8923 }
8924
8925 i = DIV_ROUND_UP(FLASH_CFG_MAX_SIZE, /* # of sectors spanned */
8926 sf_sec_size);
8927 ret = t4_flash_erase_sectors(adap, flash_cfg_start_sec,
8928 flash_cfg_start_sec + i - 1);
8929 /*
8930 * If size == 0 then we're simply erasing the FLASH sectors associated
8931 * with the on-adapter Firmware Configuration File.
8932 */
8933 if (ret || size == 0)
8934 goto out;
8935
8936 /* this will write to the flash up to SF_PAGE_SIZE at a time */
8937 for (i = 0; i< size; i+= SF_PAGE_SIZE) {
8938 if ( (size - i) < SF_PAGE_SIZE)
8939 n = size - i;
8940 else
8941 n = SF_PAGE_SIZE;
8942 ret = t4_write_flash(adap, addr, n, cfg_data, 1);
8943 if (ret)
8944 goto out;
8945
8946 addr += SF_PAGE_SIZE;
8947 cfg_data += SF_PAGE_SIZE;
8948 }
8949
8950 out:
8951 if (ret)
8952 CH_ERR(adap, "config file %s failed %d\n",
8953 (size == 0 ? "clear" : "download"), ret);
8954 return ret;
8955 }
8956
8957 /**
8958 * t5_fw_init_extern_mem - initialize the external memory
8959 * @adap: the adapter
8960 *
8961 * Initializes the external memory on T5.
8962 */
t5_fw_init_extern_mem(struct adapter * adap)8963 int t5_fw_init_extern_mem(struct adapter *adap)
8964 {
8965 u32 params[1], val[1];
8966 int ret;
8967
8968 if (!is_t5(adap))
8969 return 0;
8970
8971 val[0] = 0xff; /* Initialize all MCs */
8972 params[0] = (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) |
8973 V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_MCINIT));
8974 ret = t4_set_params_timeout(adap, adap->mbox, adap->pf, 0, 1, params, val,
8975 FW_CMD_MAX_TIMEOUT);
8976
8977 return ret;
8978 }
8979
8980 /* BIOS boot headers */
8981 typedef struct pci_expansion_rom_header {
8982 u8 signature[2]; /* ROM Signature. Should be 0xaa55 */
8983 u8 reserved[22]; /* Reserved per processor Architecture data */
8984 u8 pcir_offset[2]; /* Offset to PCI Data Structure */
8985 } pci_exp_rom_header_t; /* PCI_EXPANSION_ROM_HEADER */
8986
8987 /* Legacy PCI Expansion ROM Header */
8988 typedef struct legacy_pci_expansion_rom_header {
8989 u8 signature[2]; /* ROM Signature. Should be 0xaa55 */
8990 u8 size512; /* Current Image Size in units of 512 bytes */
8991 u8 initentry_point[4];
8992 u8 cksum; /* Checksum computed on the entire Image */
8993 u8 reserved[16]; /* Reserved */
8994 u8 pcir_offset[2]; /* Offset to PCI Data Struture */
8995 } legacy_pci_exp_rom_header_t; /* LEGACY_PCI_EXPANSION_ROM_HEADER */
8996
8997 /* EFI PCI Expansion ROM Header */
8998 typedef struct efi_pci_expansion_rom_header {
8999 u8 signature[2]; // ROM signature. The value 0xaa55
9000 u8 initialization_size[2]; /* Units 512. Includes this header */
9001 u8 efi_signature[4]; /* Signature from EFI image header. 0x0EF1 */
9002 u8 efi_subsystem[2]; /* Subsystem value for EFI image header */
9003 u8 efi_machine_type[2]; /* Machine type from EFI image header */
9004 u8 compression_type[2]; /* Compression type. */
9005 /*
9006 * Compression type definition
9007 * 0x0: uncompressed
9008 * 0x1: Compressed
9009 * 0x2-0xFFFF: Reserved
9010 */
9011 u8 reserved[8]; /* Reserved */
9012 u8 efi_image_header_offset[2]; /* Offset to EFI Image */
9013 u8 pcir_offset[2]; /* Offset to PCI Data Structure */
9014 } efi_pci_exp_rom_header_t; /* EFI PCI Expansion ROM Header */
9015
9016 /* PCI Data Structure Format */
9017 typedef struct pcir_data_structure { /* PCI Data Structure */
9018 u8 signature[4]; /* Signature. The string "PCIR" */
9019 u8 vendor_id[2]; /* Vendor Identification */
9020 u8 device_id[2]; /* Device Identification */
9021 u8 vital_product[2]; /* Pointer to Vital Product Data */
9022 u8 length[2]; /* PCIR Data Structure Length */
9023 u8 revision; /* PCIR Data Structure Revision */
9024 u8 class_code[3]; /* Class Code */
9025 u8 image_length[2]; /* Image Length. Multiple of 512B */
9026 u8 code_revision[2]; /* Revision Level of Code/Data */
9027 u8 code_type; /* Code Type. */
9028 /*
9029 * PCI Expansion ROM Code Types
9030 * 0x00: Intel IA-32, PC-AT compatible. Legacy
9031 * 0x01: Open Firmware standard for PCI. FCODE
9032 * 0x02: Hewlett-Packard PA RISC. HP reserved
9033 * 0x03: EFI Image. EFI
9034 * 0x04-0xFF: Reserved.
9035 */
9036 u8 indicator; /* Indicator. Identifies the last image in the ROM */
9037 u8 reserved[2]; /* Reserved */
9038 } pcir_data_t; /* PCI__DATA_STRUCTURE */
9039
9040 /* BOOT constants */
9041 enum {
9042 BOOT_FLASH_BOOT_ADDR = 0x0,/* start address of boot image in flash */
9043 BOOT_SIGNATURE = 0xaa55, /* signature of BIOS boot ROM */
9044 BOOT_SIZE_INC = 512, /* image size measured in 512B chunks */
9045 BOOT_MIN_SIZE = sizeof(pci_exp_rom_header_t), /* basic header */
9046 BOOT_MAX_SIZE = 1024*BOOT_SIZE_INC, /* 1 byte * length increment */
9047 VENDOR_ID = 0x1425, /* Vendor ID */
9048 PCIR_SIGNATURE = 0x52494350 /* PCIR signature */
9049 };
9050
9051 /*
9052 * modify_device_id - Modifies the device ID of the Boot BIOS image
9053 * @adatper: the device ID to write.
9054 * @boot_data: the boot image to modify.
9055 *
9056 * Write the supplied device ID to the boot BIOS image.
9057 */
modify_device_id(int device_id,u8 * boot_data)9058 static void modify_device_id(int device_id, u8 *boot_data)
9059 {
9060 legacy_pci_exp_rom_header_t *header;
9061 pcir_data_t *pcir_header;
9062 u32 cur_header = 0;
9063
9064 /*
9065 * Loop through all chained images and change the device ID's
9066 */
9067 while (1) {
9068 header = (legacy_pci_exp_rom_header_t *) &boot_data[cur_header];
9069 pcir_header = (pcir_data_t *) &boot_data[cur_header +
9070 le16_to_cpu(*(u16*)header->pcir_offset)];
9071
9072 /*
9073 * Only modify the Device ID if code type is Legacy or HP.
9074 * 0x00: Okay to modify
9075 * 0x01: FCODE. Do not be modify
9076 * 0x03: Okay to modify
9077 * 0x04-0xFF: Do not modify
9078 */
9079 if (pcir_header->code_type == 0x00) {
9080 u8 csum = 0;
9081 int i;
9082
9083 /*
9084 * Modify Device ID to match current adatper
9085 */
9086 *(u16*) pcir_header->device_id = device_id;
9087
9088 /*
9089 * Set checksum temporarily to 0.
9090 * We will recalculate it later.
9091 */
9092 header->cksum = 0x0;
9093
9094 /*
9095 * Calculate and update checksum
9096 */
9097 for (i = 0; i < (header->size512 * 512); i++)
9098 csum += (u8)boot_data[cur_header + i];
9099
9100 /*
9101 * Invert summed value to create the checksum
9102 * Writing new checksum value directly to the boot data
9103 */
9104 boot_data[cur_header + 7] = -csum;
9105
9106 } else if (pcir_header->code_type == 0x03) {
9107
9108 /*
9109 * Modify Device ID to match current adatper
9110 */
9111 *(u16*) pcir_header->device_id = device_id;
9112
9113 }
9114
9115
9116 /*
9117 * Check indicator element to identify if this is the last
9118 * image in the ROM.
9119 */
9120 if (pcir_header->indicator & 0x80)
9121 break;
9122
9123 /*
9124 * Move header pointer up to the next image in the ROM.
9125 */
9126 cur_header += header->size512 * 512;
9127 }
9128 }
9129
9130 /*
9131 * t4_load_boot - download boot flash
9132 * @adapter: the adapter
9133 * @boot_data: the boot image to write
9134 * @boot_addr: offset in flash to write boot_data
9135 * @size: image size
9136 *
9137 * Write the supplied boot image to the card's serial flash.
9138 * The boot image has the following sections: a 28-byte header and the
9139 * boot image.
9140 */
t4_load_boot(struct adapter * adap,u8 * boot_data,unsigned int boot_addr,unsigned int size)9141 int t4_load_boot(struct adapter *adap, u8 *boot_data,
9142 unsigned int boot_addr, unsigned int size)
9143 {
9144 pci_exp_rom_header_t *header;
9145 int pcir_offset ;
9146 pcir_data_t *pcir_header;
9147 int ret, addr;
9148 uint16_t device_id;
9149 unsigned int i;
9150 unsigned int boot_sector = (boot_addr * 1024 );
9151 unsigned int sf_sec_size = adap->params.sf_size / adap->params.sf_nsec;
9152
9153 /*
9154 * Make sure the boot image does not encroach on the firmware region
9155 */
9156 if ((boot_sector + size) >> 16 > FLASH_FW_START_SEC) {
9157 CH_ERR(adap, "boot image encroaching on firmware region\n");
9158 return -EFBIG;
9159 }
9160
9161 /*
9162 * The boot sector is comprised of the Expansion-ROM boot, iSCSI boot,
9163 * and Boot configuration data sections. These 3 boot sections span
9164 * sectors 0 to 7 in flash and live right before the FW image location.
9165 */
9166 i = DIV_ROUND_UP(size ? size : FLASH_FW_START,
9167 sf_sec_size);
9168 ret = t4_flash_erase_sectors(adap, boot_sector >> 16,
9169 (boot_sector >> 16) + i - 1);
9170
9171 /*
9172 * If size == 0 then we're simply erasing the FLASH sectors associated
9173 * with the on-adapter option ROM file
9174 */
9175 if (ret || (size == 0))
9176 goto out;
9177
9178 /* Get boot header */
9179 header = (pci_exp_rom_header_t *)boot_data;
9180 pcir_offset = le16_to_cpu(*(u16 *)header->pcir_offset);
9181 /* PCIR Data Structure */
9182 pcir_header = (pcir_data_t *) &boot_data[pcir_offset];
9183
9184 /*
9185 * Perform some primitive sanity testing to avoid accidentally
9186 * writing garbage over the boot sectors. We ought to check for
9187 * more but it's not worth it for now ...
9188 */
9189 if (size < BOOT_MIN_SIZE || size > BOOT_MAX_SIZE) {
9190 CH_ERR(adap, "boot image too small/large\n");
9191 return -EFBIG;
9192 }
9193
9194 #ifndef CHELSIO_T4_DIAGS
9195 /*
9196 * Check BOOT ROM header signature
9197 */
9198 if (le16_to_cpu(*(u16*)header->signature) != BOOT_SIGNATURE ) {
9199 CH_ERR(adap, "Boot image missing signature\n");
9200 return -EINVAL;
9201 }
9202
9203 /*
9204 * Check PCI header signature
9205 */
9206 if (le32_to_cpu(*(u32*)pcir_header->signature) != PCIR_SIGNATURE) {
9207 CH_ERR(adap, "PCI header missing signature\n");
9208 return -EINVAL;
9209 }
9210
9211 /*
9212 * Check Vendor ID matches Chelsio ID
9213 */
9214 if (le16_to_cpu(*(u16*)pcir_header->vendor_id) != VENDOR_ID) {
9215 CH_ERR(adap, "Vendor ID missing signature\n");
9216 return -EINVAL;
9217 }
9218 #endif
9219
9220 /*
9221 * Retrieve adapter's device ID
9222 */
9223 t4_os_pci_read_cfg2(adap, PCI_DEVICE_ID, &device_id);
9224 /* Want to deal with PF 0 so I strip off PF 4 indicator */
9225 device_id = device_id & 0xf0ff;
9226
9227 /*
9228 * Check PCIE Device ID
9229 */
9230 if (le16_to_cpu(*(u16*)pcir_header->device_id) != device_id) {
9231 /*
9232 * Change the device ID in the Boot BIOS image to match
9233 * the Device ID of the current adapter.
9234 */
9235 modify_device_id(device_id, boot_data);
9236 }
9237
9238 /*
9239 * Skip over the first SF_PAGE_SIZE worth of data and write it after
9240 * we finish copying the rest of the boot image. This will ensure
9241 * that the BIOS boot header will only be written if the boot image
9242 * was written in full.
9243 */
9244 addr = boot_sector;
9245 for (size -= SF_PAGE_SIZE; size; size -= SF_PAGE_SIZE) {
9246 addr += SF_PAGE_SIZE;
9247 boot_data += SF_PAGE_SIZE;
9248 ret = t4_write_flash(adap, addr, SF_PAGE_SIZE, boot_data, 0);
9249 if (ret)
9250 goto out;
9251 }
9252
9253 ret = t4_write_flash(adap, boot_sector, SF_PAGE_SIZE,
9254 (const u8 *)header, 0);
9255
9256 out:
9257 if (ret)
9258 CH_ERR(adap, "boot image download failed, error %d\n", ret);
9259 return ret;
9260 }
9261
9262 /*
9263 * t4_flash_bootcfg_addr - return the address of the flash optionrom configuration
9264 * @adapter: the adapter
9265 *
9266 * Return the address within the flash where the OptionROM Configuration
9267 * is stored, or an error if the device FLASH is too small to contain
9268 * a OptionROM Configuration.
9269 */
t4_flash_bootcfg_addr(struct adapter * adapter)9270 static int t4_flash_bootcfg_addr(struct adapter *adapter)
9271 {
9272 /*
9273 * If the device FLASH isn't large enough to hold a Firmware
9274 * Configuration File, return an error.
9275 */
9276 if (adapter->params.sf_size < FLASH_BOOTCFG_START + FLASH_BOOTCFG_MAX_SIZE)
9277 return -ENOSPC;
9278
9279 return FLASH_BOOTCFG_START;
9280 }
9281
t4_load_bootcfg(struct adapter * adap,const u8 * cfg_data,unsigned int size)9282 int t4_load_bootcfg(struct adapter *adap,const u8 *cfg_data, unsigned int size)
9283 {
9284 int ret, i, n, cfg_addr;
9285 unsigned int addr;
9286 unsigned int flash_cfg_start_sec;
9287 unsigned int sf_sec_size = adap->params.sf_size / adap->params.sf_nsec;
9288
9289 cfg_addr = t4_flash_bootcfg_addr(adap);
9290 if (cfg_addr < 0)
9291 return cfg_addr;
9292
9293 addr = cfg_addr;
9294 flash_cfg_start_sec = addr / SF_SEC_SIZE;
9295
9296 if (size > FLASH_BOOTCFG_MAX_SIZE) {
9297 CH_ERR(adap, "bootcfg file too large, max is %u bytes\n",
9298 FLASH_BOOTCFG_MAX_SIZE);
9299 return -EFBIG;
9300 }
9301
9302 i = DIV_ROUND_UP(FLASH_BOOTCFG_MAX_SIZE,/* # of sectors spanned */
9303 sf_sec_size);
9304 ret = t4_flash_erase_sectors(adap, flash_cfg_start_sec,
9305 flash_cfg_start_sec + i - 1);
9306
9307 /*
9308 * If size == 0 then we're simply erasing the FLASH sectors associated
9309 * with the on-adapter OptionROM Configuration File.
9310 */
9311 if (ret || size == 0)
9312 goto out;
9313
9314 /* this will write to the flash up to SF_PAGE_SIZE at a time */
9315 for (i = 0; i< size; i+= SF_PAGE_SIZE) {
9316 if ( (size - i) < SF_PAGE_SIZE)
9317 n = size - i;
9318 else
9319 n = SF_PAGE_SIZE;
9320 ret = t4_write_flash(adap, addr, n, cfg_data, 0);
9321 if (ret)
9322 goto out;
9323
9324 addr += SF_PAGE_SIZE;
9325 cfg_data += SF_PAGE_SIZE;
9326 }
9327
9328 out:
9329 if (ret)
9330 CH_ERR(adap, "boot config data %s failed %d\n",
9331 (size == 0 ? "clear" : "download"), ret);
9332 return ret;
9333 }
9334
9335 /**
9336 * t4_set_filter_mode - configure the optional components of filter tuples
9337 * @adap: the adapter
9338 * @mode_map: a bitmap selcting which optional filter components to enable
9339 * @sleep_ok: if true we may sleep while awaiting command completion
9340 *
9341 * Sets the filter mode by selecting the optional components to enable
9342 * in filter tuples. Returns 0 on success and a negative error if the
9343 * requested mode needs more bits than are available for optional
9344 * components.
9345 */
t4_set_filter_mode(struct adapter * adap,unsigned int mode_map,bool sleep_ok)9346 int t4_set_filter_mode(struct adapter *adap, unsigned int mode_map,
9347 bool sleep_ok)
9348 {
9349 static u8 width[] = { 1, 3, 17, 17, 8, 8, 16, 9, 3, 1 };
9350
9351 int i, nbits = 0;
9352
9353 for (i = S_FCOE; i <= S_FRAGMENTATION; i++)
9354 if (mode_map & (1 << i))
9355 nbits += width[i];
9356 if (nbits > FILTER_OPT_LEN)
9357 return -EINVAL;
9358 t4_tp_pio_write(adap, &mode_map, 1, A_TP_VLAN_PRI_MAP, sleep_ok);
9359 read_filter_mode_and_ingress_config(adap, sleep_ok);
9360
9361 return 0;
9362 }
9363
9364 /**
9365 * t4_clr_port_stats - clear port statistics
9366 * @adap: the adapter
9367 * @idx: the port index
9368 *
9369 * Clear HW statistics for the given port.
9370 */
t4_clr_port_stats(struct adapter * adap,int idx)9371 void t4_clr_port_stats(struct adapter *adap, int idx)
9372 {
9373 unsigned int i;
9374 u32 bgmap = t4_get_mps_bg_map(adap, idx);
9375 u32 port_base_addr;
9376
9377 if (is_t4(adap))
9378 port_base_addr = PORT_BASE(idx);
9379 else
9380 port_base_addr = T5_PORT_BASE(idx);
9381
9382 for (i = A_MPS_PORT_STAT_TX_PORT_BYTES_L;
9383 i <= A_MPS_PORT_STAT_TX_PORT_PPP7_H; i += 8)
9384 t4_write_reg(adap, port_base_addr + i, 0);
9385 for (i = A_MPS_PORT_STAT_RX_PORT_BYTES_L;
9386 i <= A_MPS_PORT_STAT_RX_PORT_LESS_64B_H; i += 8)
9387 t4_write_reg(adap, port_base_addr + i, 0);
9388 for (i = 0; i < 4; i++)
9389 if (bgmap & (1 << i)) {
9390 t4_write_reg(adap,
9391 A_MPS_STAT_RX_BG_0_MAC_DROP_FRAME_L + i * 8, 0);
9392 t4_write_reg(adap,
9393 A_MPS_STAT_RX_BG_0_MAC_TRUNC_FRAME_L + i * 8, 0);
9394 }
9395 }
9396
9397 /**
9398 * t4_i2c_rd - read I2C data from adapter
9399 * @adap: the adapter
9400 * @port: Port number if per-port device; <0 if not
9401 * @devid: per-port device ID or absolute device ID
9402 * @offset: byte offset into device I2C space
9403 * @len: byte length of I2C space data
9404 * @buf: buffer in which to return I2C data
9405 *
9406 * Reads the I2C data from the indicated device and location.
9407 */
t4_i2c_rd(struct adapter * adap,unsigned int mbox,int port,unsigned int devid,unsigned int offset,unsigned int len,u8 * buf)9408 int t4_i2c_rd(struct adapter *adap, unsigned int mbox,
9409 int port, unsigned int devid,
9410 unsigned int offset, unsigned int len,
9411 u8 *buf)
9412 {
9413 u32 ldst_addrspace;
9414 struct fw_ldst_cmd ldst;
9415 int ret;
9416
9417 if (port >= 4 ||
9418 devid >= 256 ||
9419 offset >= 256 ||
9420 len > sizeof ldst.u.i2c.data)
9421 return -EINVAL;
9422
9423 memset(&ldst, 0, sizeof ldst);
9424 ldst_addrspace = V_FW_LDST_CMD_ADDRSPACE(FW_LDST_ADDRSPC_I2C);
9425 ldst.op_to_addrspace =
9426 cpu_to_be32(V_FW_CMD_OP(FW_LDST_CMD) |
9427 F_FW_CMD_REQUEST |
9428 F_FW_CMD_READ |
9429 ldst_addrspace);
9430 ldst.cycles_to_len16 = cpu_to_be32(FW_LEN16(ldst));
9431 ldst.u.i2c.pid = (port < 0 ? 0xff : port);
9432 ldst.u.i2c.did = devid;
9433 ldst.u.i2c.boffset = offset;
9434 ldst.u.i2c.blen = len;
9435 ret = t4_wr_mbox(adap, mbox, &ldst, sizeof ldst, &ldst);
9436 if (!ret)
9437 memcpy(buf, ldst.u.i2c.data, len);
9438 return ret;
9439 }
9440
9441 /**
9442 * t4_i2c_wr - write I2C data to adapter
9443 * @adap: the adapter
9444 * @port: Port number if per-port device; <0 if not
9445 * @devid: per-port device ID or absolute device ID
9446 * @offset: byte offset into device I2C space
9447 * @len: byte length of I2C space data
9448 * @buf: buffer containing new I2C data
9449 *
9450 * Write the I2C data to the indicated device and location.
9451 */
t4_i2c_wr(struct adapter * adap,unsigned int mbox,int port,unsigned int devid,unsigned int offset,unsigned int len,u8 * buf)9452 int t4_i2c_wr(struct adapter *adap, unsigned int mbox,
9453 int port, unsigned int devid,
9454 unsigned int offset, unsigned int len,
9455 u8 *buf)
9456 {
9457 u32 ldst_addrspace;
9458 struct fw_ldst_cmd ldst;
9459
9460 if (port >= 4 ||
9461 devid >= 256 ||
9462 offset >= 256 ||
9463 len > sizeof ldst.u.i2c.data)
9464 return -EINVAL;
9465
9466 memset(&ldst, 0, sizeof ldst);
9467 ldst_addrspace = V_FW_LDST_CMD_ADDRSPACE(FW_LDST_ADDRSPC_I2C);
9468 ldst.op_to_addrspace =
9469 cpu_to_be32(V_FW_CMD_OP(FW_LDST_CMD) |
9470 F_FW_CMD_REQUEST |
9471 F_FW_CMD_WRITE |
9472 ldst_addrspace);
9473 ldst.cycles_to_len16 = cpu_to_be32(FW_LEN16(ldst));
9474 ldst.u.i2c.pid = (port < 0 ? 0xff : port);
9475 ldst.u.i2c.did = devid;
9476 ldst.u.i2c.boffset = offset;
9477 ldst.u.i2c.blen = len;
9478 memcpy(ldst.u.i2c.data, buf, len);
9479 return t4_wr_mbox(adap, mbox, &ldst, sizeof ldst, &ldst);
9480 }
9481
9482 /**
9483 * t4_sge_ctxt_rd - read an SGE context through FW
9484 * @adap: the adapter
9485 * @mbox: mailbox to use for the FW command
9486 * @cid: the context id
9487 * @ctype: the context type
9488 * @data: where to store the context data
9489 *
9490 * Issues a FW command through the given mailbox to read an SGE context.
9491 */
t4_sge_ctxt_rd(struct adapter * adap,unsigned int mbox,unsigned int cid,enum ctxt_type ctype,u32 * data)9492 int t4_sge_ctxt_rd(struct adapter *adap, unsigned int mbox, unsigned int cid,
9493 enum ctxt_type ctype, u32 *data)
9494 {
9495 int ret;
9496 struct fw_ldst_cmd c;
9497
9498 if (ctype == CTXT_EGRESS)
9499 ret = FW_LDST_ADDRSPC_SGE_EGRC;
9500 else if (ctype == CTXT_INGRESS)
9501 ret = FW_LDST_ADDRSPC_SGE_INGC;
9502 else if (ctype == CTXT_FLM)
9503 ret = FW_LDST_ADDRSPC_SGE_FLMC;
9504 else
9505 ret = FW_LDST_ADDRSPC_SGE_CONMC;
9506
9507 memset(&c, 0, sizeof(c));
9508 c.op_to_addrspace = cpu_to_be32(V_FW_CMD_OP(FW_LDST_CMD) |
9509 F_FW_CMD_REQUEST | F_FW_CMD_READ |
9510 V_FW_LDST_CMD_ADDRSPACE(ret));
9511 c.cycles_to_len16 = cpu_to_be32(FW_LEN16(c));
9512 c.u.idctxt.physid = cpu_to_be32(cid);
9513
9514 ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
9515 if (ret == 0) {
9516 data[0] = be32_to_cpu(c.u.idctxt.ctxt_data0);
9517 data[1] = be32_to_cpu(c.u.idctxt.ctxt_data1);
9518 data[2] = be32_to_cpu(c.u.idctxt.ctxt_data2);
9519 data[3] = be32_to_cpu(c.u.idctxt.ctxt_data3);
9520 data[4] = be32_to_cpu(c.u.idctxt.ctxt_data4);
9521 data[5] = be32_to_cpu(c.u.idctxt.ctxt_data5);
9522 }
9523 return ret;
9524 }
9525
9526 /**
9527 * t4_sge_ctxt_rd_bd - read an SGE context bypassing FW
9528 * @adap: the adapter
9529 * @cid: the context id
9530 * @ctype: the context type
9531 * @data: where to store the context data
9532 *
9533 * Reads an SGE context directly, bypassing FW. This is only for
9534 * debugging when FW is unavailable.
9535 */
t4_sge_ctxt_rd_bd(struct adapter * adap,unsigned int cid,enum ctxt_type ctype,u32 * data)9536 int t4_sge_ctxt_rd_bd(struct adapter *adap, unsigned int cid, enum ctxt_type ctype,
9537 u32 *data)
9538 {
9539 int i, ret;
9540
9541 t4_write_reg(adap, A_SGE_CTXT_CMD, V_CTXTQID(cid) | V_CTXTTYPE(ctype));
9542 ret = t4_wait_op_done(adap, A_SGE_CTXT_CMD, F_BUSY, 0, 3, 1);
9543 if (!ret)
9544 for (i = A_SGE_CTXT_DATA0; i <= A_SGE_CTXT_DATA5; i += 4)
9545 *data++ = t4_read_reg(adap, i);
9546 return ret;
9547 }
9548
t4_sched_config(struct adapter * adapter,int type,int minmaxen,int sleep_ok)9549 int t4_sched_config(struct adapter *adapter, int type, int minmaxen,
9550 int sleep_ok)
9551 {
9552 struct fw_sched_cmd cmd;
9553
9554 memset(&cmd, 0, sizeof(cmd));
9555 cmd.op_to_write = cpu_to_be32(V_FW_CMD_OP(FW_SCHED_CMD) |
9556 F_FW_CMD_REQUEST |
9557 F_FW_CMD_WRITE);
9558 cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd));
9559
9560 cmd.u.config.sc = FW_SCHED_SC_CONFIG;
9561 cmd.u.config.type = type;
9562 cmd.u.config.minmaxen = minmaxen;
9563
9564 return t4_wr_mbox_meat(adapter,adapter->mbox, &cmd, sizeof(cmd),
9565 NULL, sleep_ok);
9566 }
9567
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 sleep_ok)9568 int t4_sched_params(struct adapter *adapter, int type, int level, int mode,
9569 int rateunit, int ratemode, int channel, int cl,
9570 int minrate, int maxrate, int weight, int pktsize,
9571 int sleep_ok)
9572 {
9573 struct fw_sched_cmd cmd;
9574
9575 memset(&cmd, 0, sizeof(cmd));
9576 cmd.op_to_write = cpu_to_be32(V_FW_CMD_OP(FW_SCHED_CMD) |
9577 F_FW_CMD_REQUEST |
9578 F_FW_CMD_WRITE);
9579 cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd));
9580
9581 cmd.u.params.sc = FW_SCHED_SC_PARAMS;
9582 cmd.u.params.type = type;
9583 cmd.u.params.level = level;
9584 cmd.u.params.mode = mode;
9585 cmd.u.params.ch = channel;
9586 cmd.u.params.cl = cl;
9587 cmd.u.params.unit = rateunit;
9588 cmd.u.params.rate = ratemode;
9589 cmd.u.params.min = cpu_to_be32(minrate);
9590 cmd.u.params.max = cpu_to_be32(maxrate);
9591 cmd.u.params.weight = cpu_to_be16(weight);
9592 cmd.u.params.pktsize = cpu_to_be16(pktsize);
9593
9594 return t4_wr_mbox_meat(adapter,adapter->mbox, &cmd, sizeof(cmd),
9595 NULL, sleep_ok);
9596 }
9597
t4_sched_params_ch_rl(struct adapter * adapter,int channel,int ratemode,unsigned int maxrate,int sleep_ok)9598 int t4_sched_params_ch_rl(struct adapter *adapter, int channel, int ratemode,
9599 unsigned int maxrate, int sleep_ok)
9600 {
9601 struct fw_sched_cmd cmd;
9602
9603 memset(&cmd, 0, sizeof(cmd));
9604 cmd.op_to_write = cpu_to_be32(V_FW_CMD_OP(FW_SCHED_CMD) |
9605 F_FW_CMD_REQUEST |
9606 F_FW_CMD_WRITE);
9607 cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd));
9608
9609 cmd.u.params.sc = FW_SCHED_SC_PARAMS;
9610 cmd.u.params.type = FW_SCHED_TYPE_PKTSCHED;
9611 cmd.u.params.level = FW_SCHED_PARAMS_LEVEL_CH_RL;
9612 cmd.u.params.ch = channel;
9613 cmd.u.params.rate = ratemode; /* REL or ABS */
9614 cmd.u.params.max = cpu_to_be32(maxrate);/* % or kbps */
9615
9616 return t4_wr_mbox_meat(adapter,adapter->mbox, &cmd, sizeof(cmd),
9617 NULL, sleep_ok);
9618 }
9619
t4_sched_params_cl_wrr(struct adapter * adapter,int channel,int cl,int weight,int sleep_ok)9620 int t4_sched_params_cl_wrr(struct adapter *adapter, int channel, int cl,
9621 int weight, int sleep_ok)
9622 {
9623 struct fw_sched_cmd cmd;
9624
9625 if (weight < 0 || weight > 100)
9626 return -EINVAL;
9627
9628 memset(&cmd, 0, sizeof(cmd));
9629 cmd.op_to_write = cpu_to_be32(V_FW_CMD_OP(FW_SCHED_CMD) |
9630 F_FW_CMD_REQUEST |
9631 F_FW_CMD_WRITE);
9632 cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd));
9633
9634 cmd.u.params.sc = FW_SCHED_SC_PARAMS;
9635 cmd.u.params.type = FW_SCHED_TYPE_PKTSCHED;
9636 cmd.u.params.level = FW_SCHED_PARAMS_LEVEL_CL_WRR;
9637 cmd.u.params.ch = channel;
9638 cmd.u.params.cl = cl;
9639 cmd.u.params.weight = cpu_to_be16(weight);
9640
9641 return t4_wr_mbox_meat(adapter,adapter->mbox, &cmd, sizeof(cmd),
9642 NULL, sleep_ok);
9643 }
9644
t4_sched_params_cl_rl_kbps(struct adapter * adapter,int channel,int cl,int mode,unsigned int maxrate,int pktsize,int sleep_ok)9645 int t4_sched_params_cl_rl_kbps(struct adapter *adapter, int channel, int cl,
9646 int mode, unsigned int maxrate, int pktsize, int sleep_ok)
9647 {
9648 struct fw_sched_cmd cmd;
9649
9650 memset(&cmd, 0, sizeof(cmd));
9651 cmd.op_to_write = cpu_to_be32(V_FW_CMD_OP(FW_SCHED_CMD) |
9652 F_FW_CMD_REQUEST |
9653 F_FW_CMD_WRITE);
9654 cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd));
9655
9656 cmd.u.params.sc = FW_SCHED_SC_PARAMS;
9657 cmd.u.params.type = FW_SCHED_TYPE_PKTSCHED;
9658 cmd.u.params.level = FW_SCHED_PARAMS_LEVEL_CL_RL;
9659 cmd.u.params.mode = mode;
9660 cmd.u.params.ch = channel;
9661 cmd.u.params.cl = cl;
9662 cmd.u.params.unit = FW_SCHED_PARAMS_UNIT_BITRATE;
9663 cmd.u.params.rate = FW_SCHED_PARAMS_RATE_ABS;
9664 cmd.u.params.max = cpu_to_be32(maxrate);
9665 cmd.u.params.pktsize = cpu_to_be16(pktsize);
9666
9667 return t4_wr_mbox_meat(adapter,adapter->mbox, &cmd, sizeof(cmd),
9668 NULL, sleep_ok);
9669 }
9670
9671 /*
9672 * t4_config_watchdog - configure (enable/disable) a watchdog timer
9673 * @adapter: the adapter
9674 * @mbox: mailbox to use for the FW command
9675 * @pf: the PF owning the queue
9676 * @vf: the VF owning the queue
9677 * @timeout: watchdog timeout in ms
9678 * @action: watchdog timer / action
9679 *
9680 * There are separate watchdog timers for each possible watchdog
9681 * action. Configure one of the watchdog timers by setting a non-zero
9682 * timeout. Disable a watchdog timer by using a timeout of zero.
9683 */
t4_config_watchdog(struct adapter * adapter,unsigned int mbox,unsigned int pf,unsigned int vf,unsigned int timeout,unsigned int action)9684 int t4_config_watchdog(struct adapter *adapter, unsigned int mbox,
9685 unsigned int pf, unsigned int vf,
9686 unsigned int timeout, unsigned int action)
9687 {
9688 struct fw_watchdog_cmd wdog;
9689 unsigned int ticks;
9690
9691 /*
9692 * The watchdog command expects a timeout in units of 10ms so we need
9693 * to convert it here (via rounding) and force a minimum of one 10ms
9694 * "tick" if the timeout is non-zero but the convertion results in 0
9695 * ticks.
9696 */
9697 ticks = (timeout + 5)/10;
9698 if (timeout && !ticks)
9699 ticks = 1;
9700
9701 memset(&wdog, 0, sizeof wdog);
9702 wdog.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_WATCHDOG_CMD) |
9703 F_FW_CMD_REQUEST |
9704 F_FW_CMD_WRITE |
9705 V_FW_PARAMS_CMD_PFN(pf) |
9706 V_FW_PARAMS_CMD_VFN(vf));
9707 wdog.retval_len16 = cpu_to_be32(FW_LEN16(wdog));
9708 wdog.timeout = cpu_to_be32(ticks);
9709 wdog.action = cpu_to_be32(action);
9710
9711 return t4_wr_mbox(adapter, mbox, &wdog, sizeof wdog, NULL);
9712 }
9713
t4_get_devlog_level(struct adapter * adapter,unsigned int * level)9714 int t4_get_devlog_level(struct adapter *adapter, unsigned int *level)
9715 {
9716 struct fw_devlog_cmd devlog_cmd;
9717 int ret;
9718
9719 memset(&devlog_cmd, 0, sizeof(devlog_cmd));
9720 devlog_cmd.op_to_write = cpu_to_be32(V_FW_CMD_OP(FW_DEVLOG_CMD) |
9721 F_FW_CMD_REQUEST | F_FW_CMD_READ);
9722 devlog_cmd.retval_len16 = cpu_to_be32(FW_LEN16(devlog_cmd));
9723 ret = t4_wr_mbox(adapter, adapter->mbox, &devlog_cmd,
9724 sizeof(devlog_cmd), &devlog_cmd);
9725 if (ret)
9726 return ret;
9727
9728 *level = devlog_cmd.level;
9729 return 0;
9730 }
9731
t4_set_devlog_level(struct adapter * adapter,unsigned int level)9732 int t4_set_devlog_level(struct adapter *adapter, unsigned int level)
9733 {
9734 struct fw_devlog_cmd devlog_cmd;
9735
9736 memset(&devlog_cmd, 0, sizeof(devlog_cmd));
9737 devlog_cmd.op_to_write = cpu_to_be32(V_FW_CMD_OP(FW_DEVLOG_CMD) |
9738 F_FW_CMD_REQUEST |
9739 F_FW_CMD_WRITE);
9740 devlog_cmd.level = level;
9741 devlog_cmd.retval_len16 = cpu_to_be32(FW_LEN16(devlog_cmd));
9742 return t4_wr_mbox(adapter, adapter->mbox, &devlog_cmd,
9743 sizeof(devlog_cmd), &devlog_cmd);
9744 }
9745