1 /*-
2 * Copyright (c) 1997-2009 by Matthew Jacob
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 immediately at the beginning of the file, without modification,
10 * this list of conditions, and the following disclaimer.
11 * 2. The name of the author may not be used to endorse or promote products
12 * derived from this software without specific prior written permission.
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 FOR
18 * 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 * $FreeBSD: src/sys/dev/isp/isp_freebsd.c,v 1.176 2011/11/06 00:44:40 mjacob Exp $
27 */
28
29 /*
30 * Platform (FreeBSD) dependent common attachment code for Qlogic adapters.
31 */
32 #include <dev/disk/isp/isp_freebsd.h>
33 #include <sys/unistd.h>
34 #include <sys/kthread.h>
35 #include <sys/conf.h>
36 #include <sys/module.h>
37 #include <dev/disk/isp/isp_ioctl.h>
38 #include <bus/cam/cam_periph.h>
39 #include <bus/cam/cam_xpt_periph.h>
40 #include <sys/device.h>
41
42 #define THREAD_CREATE kthread_create
43
44 MODULE_VERSION(isp, 1);
45 MODULE_DEPEND(isp, cam, 1, 1, 1);
46 int isp_announced = 0;
47 int isp_fabric_hysteresis = 5;
48 int isp_loop_down_limit = 60; /* default loop down limit */
49 int isp_change_is_bad = 0; /* "changed" devices are bad */
50 int isp_quickboot_time = 7; /* don't wait more than N secs for loop up */
51 int isp_gone_device_time = 30; /* grace time before reporting device lost */
52 int isp_autoconfig = 1; /* automatically attach/detach devices */
53 static const char *roles[4] = {
54 "(none)", "Target", "Initiator", "Target/Initiator"
55 };
56 static const char prom3[] = "Chan %d PortID 0x%06x Departed from Target %u because of %s";
57 #ifdef ISP_TARGET_MODE
58 static const char rqo[] = "%s: Request Queue Overflow\n";
59 #endif
60
61 static void isp_freeze_loopdown(ispsoftc_t *, int, char *);
62 static d_ioctl_t ispioctl;
63 static void isp_intr_enable(void *);
64 static void isp_cam_async(void *, uint32_t, struct cam_path *, void *);
65 static void isp_poll(struct cam_sim *);
66 static timeout_t isp_watchdog;
67 static timeout_t isp_gdt;
68 static task_fn_t isp_gdt_task;
69 static timeout_t isp_ldt;
70 static task_fn_t isp_ldt_task;
71 static void isp_kthread(void *);
72 static void isp_action(struct cam_sim *, union ccb *);
73 #ifdef ISP_INTERNAL_TARGET
74 static void isp_target_thread_pi(void *);
75 static void isp_target_thread_fc(void *);
76 #endif
77 static void isp_timer(void *);
78
79 static struct dev_ops isp_ops = {
80 { "isp", 0, D_MPSAFE },
81 .d_ioctl = ispioctl,
82 };
83
84 static int
isp_attach_chan(ispsoftc_t * isp,struct cam_devq * devq,int chan)85 isp_attach_chan(ispsoftc_t *isp, struct cam_devq *devq, int chan)
86 {
87 struct ccb_setasync *csa;
88 struct cam_sim *sim;
89 struct cam_path *path;
90
91 /*
92 * Construct our SIM entry.
93 */
94 sim = cam_sim_alloc(isp_action, isp_poll, "isp", isp, device_get_unit(isp->isp_dev), &isp->isp_osinfo.lock, isp->isp_maxcmds, isp->isp_maxcmds, devq);
95 cam_simq_release(devq);
96
97 if (sim == NULL) {
98 return (ENOMEM);
99 }
100
101 ISP_LOCK(isp);
102 if (xpt_bus_register(sim, chan) != CAM_SUCCESS) {
103 ISP_UNLOCK(isp);
104 cam_sim_free(sim);
105 return (EIO);
106 }
107 ISP_UNLOCK(isp);
108 if (xpt_create_path_unlocked(&path, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
109 ISP_LOCK(isp);
110 xpt_bus_deregister(cam_sim_path(sim));
111 ISP_UNLOCK(isp);
112 cam_sim_free(sim);
113 return (ENXIO);
114 }
115 csa = &xpt_alloc_ccb()->csa;
116 xpt_setup_ccb(&csa->ccb_h, path, 5);
117 csa->ccb_h.func_code = XPT_SASYNC_CB;
118 csa->event_enable = AC_LOST_DEVICE;
119 csa->callback = isp_cam_async;
120 csa->callback_arg = sim;
121 xpt_action((union ccb *)csa);
122 xpt_free_ccb(&csa->ccb_h);
123
124 if (IS_SCSI(isp)) {
125 struct isp_spi *spi = ISP_SPI_PC(isp, chan);
126 spi->sim = sim;
127 spi->path = path;
128 #ifdef ISP_INTERNAL_TARGET
129 ISP_SET_PC(isp, chan, proc_active, 1);
130 if (THREAD_CREATE(isp_target_thread_pi, spi, &spi->target_proc, "%s: isp_test_tgt%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) {
131 ISP_SET_PC(isp, chan, proc_active, 0);
132 isp_prt(isp, ISP_LOGERR, "cannot create test target thread");
133 }
134 #endif
135 } else {
136 fcparam *fcp = FCPARAM(isp, chan);
137 struct isp_fc *fc = ISP_FC_PC(isp, chan);
138
139 ISP_LOCK(isp);
140 fc->sim = sim;
141 fc->path = path;
142 fc->isp = isp;
143 fc->ready = 1;
144
145 callout_init(&fc->ldt);
146 callout_init(&fc->gdt);
147 TASK_INIT(&fc->ltask, 1, isp_ldt_task, fc);
148 TASK_INIT(&fc->gtask, 1, isp_gdt_task, fc);
149
150 /*
151 * We start by being "loop down" if we have an initiator role
152 */
153 if (fcp->role & ISP_ROLE_INITIATOR) {
154 isp_freeze_loopdown(isp, chan, "isp_attach");
155 callout_reset(&fc->ldt, isp_quickboot_time * hz, isp_ldt, fc);
156 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "Starting Initial Loop Down Timer @ %lu", (unsigned long) time_second);
157 }
158 ISP_UNLOCK(isp);
159 if (THREAD_CREATE(isp_kthread, fc, &fc->kthread, "%s: fc_thrd%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) {
160 xpt_free_path(fc->path);
161 ISP_LOCK(isp);
162 if (callout_active(&fc->ldt)) {
163 callout_stop(&fc->ldt);
164 }
165 xpt_bus_deregister(cam_sim_path(fc->sim));
166 ISP_UNLOCK(isp);
167 cam_sim_free(fc->sim);
168 return (ENOMEM);
169 }
170 #ifdef ISP_INTERNAL_TARGET
171 ISP_SET_PC(isp, chan, proc_active, 1);
172 if (THREAD_CREATE(isp_target_thread_fc, fc, &fc->target_proc, "%s: isp_test_tgt%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) {
173 ISP_SET_PC(isp, chan, proc_active, 0);
174 isp_prt(isp, ISP_LOGERR, "cannot create test target thread");
175 }
176 #endif
177 if (chan == 0) {
178 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(isp->isp_osinfo.dev);
179 struct sysctl_oid *tree = device_get_sysctl_tree(isp->isp_osinfo.dev);
180 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "wwnn", CTLFLAG_RD, &FCPARAM(isp, 0)->isp_wwnn, 0, "World Wide Node Name");
181 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "wwpn", CTLFLAG_RD, &FCPARAM(isp, 0)->isp_wwpn, 0, "World Wide Port Name");
182 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "loop_down_limit", CTLFLAG_RW, &ISP_FC_PC(isp, 0)->loop_down_limit, 0, "Loop Down Limit");
183 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "gone_device_time", CTLFLAG_RW, &ISP_FC_PC(isp, 0)->gone_device_time, 0, "Gone Device Time");
184 }
185 }
186 return (0);
187 }
188
189 int
isp_attach(ispsoftc_t * isp)190 isp_attach(ispsoftc_t *isp)
191 {
192 const char *nu = device_get_nameunit(isp->isp_osinfo.dev);
193 int du = device_get_unit(isp->isp_dev);
194 int chan;
195
196 isp->isp_osinfo.ehook.ich_func = isp_intr_enable;
197 isp->isp_osinfo.ehook.ich_arg = isp;
198 isp->isp_osinfo.ehook.ich_desc = "isp";
199 /*
200 * Haha. Set this first, because if we're loaded as a module isp_intr_enable
201 * will be called right awawy, which will clear isp_osinfo.ehook_active,
202 * which would be unwise to then set again later.
203 */
204 isp->isp_osinfo.ehook_active = 1;
205 if (config_intrhook_establish(&isp->isp_osinfo.ehook) != 0) {
206 isp_prt(isp, ISP_LOGERR, "could not establish interrupt enable hook");
207 return (-EIO);
208 }
209
210 /*
211 * Create the device queue for our SIM(s).
212 */
213 isp->isp_osinfo.devq = cam_simq_alloc(isp->isp_maxcmds);
214 if (isp->isp_osinfo.devq == NULL) {
215 config_intrhook_disestablish(&isp->isp_osinfo.ehook);
216 return (EIO);
217 }
218
219 for (chan = 0; chan < isp->isp_nchan; chan++) {
220 if (isp_attach_chan(isp, isp->isp_osinfo.devq, chan)) {
221 goto unwind;
222 }
223 }
224
225 callout_init(&isp->isp_osinfo.tmo);
226 callout_reset(&isp->isp_osinfo.tmo, hz, isp_timer, isp);
227 isp->isp_osinfo.timer_active = 1;
228
229 isp->isp_osinfo.cdev = make_dev(&isp_ops, du, UID_ROOT, GID_OPERATOR, 0600, "%s", nu);
230 if (isp->isp_osinfo.cdev) {
231 isp->isp_osinfo.cdev->si_drv1 = isp;
232 }
233 return (0);
234
235 unwind:
236 while (--chan >= 0) {
237 struct cam_sim *sim;
238 struct cam_path *path;
239 if (IS_FC(isp)) {
240 sim = ISP_FC_PC(isp, chan)->sim;
241 path = ISP_FC_PC(isp, chan)->path;
242 } else {
243 sim = ISP_SPI_PC(isp, chan)->sim;
244 path = ISP_SPI_PC(isp, chan)->path;
245 }
246 xpt_free_path(path);
247 ISP_LOCK(isp);
248 xpt_bus_deregister(cam_sim_path(sim));
249 ISP_UNLOCK(isp);
250 cam_sim_free(sim);
251 }
252 if (isp->isp_osinfo.ehook_active) {
253 config_intrhook_disestablish(&isp->isp_osinfo.ehook);
254 isp->isp_osinfo.ehook_active = 0;
255 }
256 if (isp->isp_osinfo.cdev) {
257 destroy_dev(isp->isp_osinfo.cdev);
258 isp->isp_osinfo.cdev = NULL;
259 }
260 isp->isp_osinfo.devq = NULL;
261 return (-1);
262 }
263
264 int
isp_detach(ispsoftc_t * isp)265 isp_detach(ispsoftc_t *isp)
266 {
267 struct cam_sim *sim;
268 struct cam_path *path;
269 struct ccb_setasync *csa;
270 int chan;
271
272 ISP_LOCK(isp);
273 for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1) {
274 if (IS_FC(isp)) {
275 sim = ISP_FC_PC(isp, chan)->sim;
276 path = ISP_FC_PC(isp, chan)->path;
277 } else {
278 sim = ISP_SPI_PC(isp, chan)->sim;
279 path = ISP_SPI_PC(isp, chan)->path;
280 }
281 if (sim->refcount > 2) {
282 ISP_UNLOCK(isp);
283 return (EBUSY);
284 }
285 }
286 if (isp->isp_osinfo.timer_active) {
287 callout_stop(&isp->isp_osinfo.tmo);
288 isp->isp_osinfo.timer_active = 0;
289 }
290 for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1) {
291 if (IS_FC(isp)) {
292 sim = ISP_FC_PC(isp, chan)->sim;
293 path = ISP_FC_PC(isp, chan)->path;
294 } else {
295 sim = ISP_SPI_PC(isp, chan)->sim;
296 path = ISP_SPI_PC(isp, chan)->path;
297 }
298 csa = &xpt_alloc_ccb()->csa;
299 xpt_setup_ccb(&csa->ccb_h, path, 5);
300 csa->ccb_h.func_code = XPT_SASYNC_CB;
301 csa->event_enable = 0;
302 csa->callback = isp_cam_async;
303 csa->callback_arg = sim;
304 xpt_action((union ccb *)csa);
305 xpt_free_ccb(&csa->ccb_h);
306 xpt_free_path(path);
307 xpt_bus_deregister(cam_sim_path(sim));
308 cam_sim_free(sim);
309 }
310 ISP_UNLOCK(isp);
311 if (isp->isp_osinfo.cdev) {
312 destroy_dev(isp->isp_osinfo.cdev);
313 isp->isp_osinfo.cdev = NULL;
314 }
315 if (isp->isp_osinfo.ehook_active) {
316 config_intrhook_disestablish(&isp->isp_osinfo.ehook);
317 isp->isp_osinfo.ehook_active = 0;
318 }
319 if (isp->isp_osinfo.devq != NULL) {
320 isp->isp_osinfo.devq = NULL;
321 }
322 return (0);
323 }
324
325 static void
isp_freeze_loopdown(ispsoftc_t * isp,int chan,char * msg)326 isp_freeze_loopdown(ispsoftc_t *isp, int chan, char *msg)
327 {
328 if (IS_FC(isp)) {
329 struct isp_fc *fc = ISP_FC_PC(isp, chan);
330 if (fc->simqfrozen == 0) {
331 isp_prt(isp, ISP_LOGDEBUG0, "%s: freeze simq (loopdown) chan %d", msg, chan);
332 fc->simqfrozen = SIMQFRZ_LOOPDOWN;
333 xpt_freeze_simq(fc->sim, 1);
334 } else {
335 isp_prt(isp, ISP_LOGDEBUG0, "%s: mark frozen (loopdown) chan %d", msg, chan);
336 fc->simqfrozen |= SIMQFRZ_LOOPDOWN;
337 }
338 }
339 }
340
341 static void
isp_unfreeze_loopdown(ispsoftc_t * isp,int chan)342 isp_unfreeze_loopdown(ispsoftc_t *isp, int chan)
343 {
344 if (IS_FC(isp)) {
345 struct isp_fc *fc = ISP_FC_PC(isp, chan);
346 int wasfrozen = fc->simqfrozen & SIMQFRZ_LOOPDOWN;
347 fc->simqfrozen &= ~SIMQFRZ_LOOPDOWN;
348 if (wasfrozen && fc->simqfrozen == 0) {
349 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "%s: Chan %d releasing simq", __func__, chan);
350 xpt_release_simq(fc->sim, 1);
351 }
352 }
353 }
354
355
356 static int
ispioctl(struct dev_ioctl_args * ap)357 ispioctl(struct dev_ioctl_args *ap)
358 {
359 cdev_t dev = ap->a_head.a_dev;
360 caddr_t addr = ap->a_data;
361 u_long c = ap->a_cmd;
362 ispsoftc_t *isp;
363 int nr, chan, retval = ENOTTY;
364
365 isp = dev->si_drv1;
366
367 switch (c) {
368 case ISP_SDBLEV:
369 {
370 int olddblev = isp->isp_dblev;
371 isp->isp_dblev = *(int *)addr;
372 *(int *)addr = olddblev;
373 retval = 0;
374 break;
375 }
376 case ISP_GETROLE:
377 chan = *(int *)addr;
378 if (chan < 0 || chan >= isp->isp_nchan) {
379 retval = -ENXIO;
380 break;
381 }
382 if (IS_FC(isp)) {
383 *(int *)addr = FCPARAM(isp, chan)->role;
384 } else {
385 *(int *)addr = SDPARAM(isp, chan)->role;
386 }
387 retval = 0;
388 break;
389 case ISP_SETROLE:
390 nr = *(int *)addr;
391 chan = nr >> 8;
392 if (chan < 0 || chan >= isp->isp_nchan) {
393 retval = -ENXIO;
394 break;
395 }
396 nr &= 0xff;
397 if (nr & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) {
398 retval = EINVAL;
399 break;
400 }
401 if (IS_FC(isp)) {
402 /*
403 * We don't really support dual role at present on FC cards.
404 *
405 * We should, but a bunch of things are currently broken,
406 * so don't allow it.
407 */
408 if (nr == ISP_ROLE_BOTH) {
409 isp_prt(isp, ISP_LOGERR, "cannot support dual role at present");
410 retval = EINVAL;
411 break;
412 }
413 *(int *)addr = FCPARAM(isp, chan)->role;
414 #ifdef ISP_INTERNAL_TARGET
415 ISP_LOCK(isp);
416 retval = isp_fc_change_role(isp, chan, nr);
417 ISP_UNLOCK(isp);
418 #else
419 FCPARAM(isp, chan)->role = nr;
420 #endif
421 } else {
422 *(int *)addr = SDPARAM(isp, chan)->role;
423 SDPARAM(isp, chan)->role = nr;
424 }
425 retval = 0;
426 break;
427
428 case ISP_RESETHBA:
429 ISP_LOCK(isp);
430 #ifdef ISP_TARGET_MODE
431 isp_del_all_wwn_entries(isp, ISP_NOCHAN);
432 #endif
433 isp_reinit(isp, 0);
434 ISP_UNLOCK(isp);
435 retval = 0;
436 break;
437
438 case ISP_RESCAN:
439 if (IS_FC(isp)) {
440 chan = *(int *)addr;
441 if (chan < 0 || chan >= isp->isp_nchan) {
442 retval = -ENXIO;
443 break;
444 }
445 ISP_LOCK(isp);
446 if (isp_fc_runstate(isp, chan, 5 * 1000000)) {
447 retval = EIO;
448 } else {
449 retval = 0;
450 }
451 ISP_UNLOCK(isp);
452 }
453 break;
454
455 case ISP_FC_LIP:
456 if (IS_FC(isp)) {
457 chan = *(int *)addr;
458 if (chan < 0 || chan >= isp->isp_nchan) {
459 retval = -ENXIO;
460 break;
461 }
462 ISP_LOCK(isp);
463 if (isp_control(isp, ISPCTL_SEND_LIP, chan)) {
464 retval = EIO;
465 } else {
466 retval = 0;
467 }
468 ISP_UNLOCK(isp);
469 }
470 break;
471 case ISP_FC_GETDINFO:
472 {
473 struct isp_fc_device *ifc = (struct isp_fc_device *) addr;
474 fcportdb_t *lp;
475
476 if (IS_SCSI(isp)) {
477 break;
478 }
479 if (ifc->loopid >= MAX_FC_TARG) {
480 retval = EINVAL;
481 break;
482 }
483 lp = &FCPARAM(isp, ifc->chan)->portdb[ifc->loopid];
484 if (lp->state == FC_PORTDB_STATE_VALID || lp->target_mode) {
485 ifc->role = lp->roles;
486 ifc->loopid = lp->handle;
487 ifc->portid = lp->portid;
488 ifc->node_wwn = lp->node_wwn;
489 ifc->port_wwn = lp->port_wwn;
490 retval = 0;
491 } else {
492 retval = ENODEV;
493 }
494 break;
495 }
496 case ISP_GET_STATS:
497 {
498 isp_stats_t *sp = (isp_stats_t *) addr;
499
500 ISP_MEMZERO(sp, sizeof (*sp));
501 sp->isp_stat_version = ISP_STATS_VERSION;
502 sp->isp_type = isp->isp_type;
503 sp->isp_revision = isp->isp_revision;
504 ISP_LOCK(isp);
505 sp->isp_stats[ISP_INTCNT] = isp->isp_intcnt;
506 sp->isp_stats[ISP_INTBOGUS] = isp->isp_intbogus;
507 sp->isp_stats[ISP_INTMBOXC] = isp->isp_intmboxc;
508 sp->isp_stats[ISP_INGOASYNC] = isp->isp_intoasync;
509 sp->isp_stats[ISP_RSLTCCMPLT] = isp->isp_rsltccmplt;
510 sp->isp_stats[ISP_FPHCCMCPLT] = isp->isp_fphccmplt;
511 sp->isp_stats[ISP_RSCCHIWAT] = isp->isp_rscchiwater;
512 sp->isp_stats[ISP_FPCCHIWAT] = isp->isp_fpcchiwater;
513 ISP_UNLOCK(isp);
514 retval = 0;
515 break;
516 }
517 case ISP_CLR_STATS:
518 ISP_LOCK(isp);
519 isp->isp_intcnt = 0;
520 isp->isp_intbogus = 0;
521 isp->isp_intmboxc = 0;
522 isp->isp_intoasync = 0;
523 isp->isp_rsltccmplt = 0;
524 isp->isp_fphccmplt = 0;
525 isp->isp_rscchiwater = 0;
526 isp->isp_fpcchiwater = 0;
527 ISP_UNLOCK(isp);
528 retval = 0;
529 break;
530 case ISP_FC_GETHINFO:
531 {
532 struct isp_hba_device *hba = (struct isp_hba_device *) addr;
533 int chan = hba->fc_channel;
534
535 if (chan < 0 || chan >= isp->isp_nchan) {
536 retval = ENXIO;
537 break;
538 }
539 hba->fc_fw_major = ISP_FW_MAJORX(isp->isp_fwrev);
540 hba->fc_fw_minor = ISP_FW_MINORX(isp->isp_fwrev);
541 hba->fc_fw_micro = ISP_FW_MICROX(isp->isp_fwrev);
542 hba->fc_nchannels = isp->isp_nchan;
543 if (IS_FC(isp)) {
544 hba->fc_nports = MAX_FC_TARG;
545 hba->fc_speed = FCPARAM(isp, hba->fc_channel)->isp_gbspeed;
546 hba->fc_topology = FCPARAM(isp, chan)->isp_topo + 1;
547 hba->fc_loopid = FCPARAM(isp, chan)->isp_loopid;
548 hba->nvram_node_wwn = FCPARAM(isp, chan)->isp_wwnn_nvram;
549 hba->nvram_port_wwn = FCPARAM(isp, chan)->isp_wwpn_nvram;
550 hba->active_node_wwn = FCPARAM(isp, chan)->isp_wwnn;
551 hba->active_port_wwn = FCPARAM(isp, chan)->isp_wwpn;
552 } else {
553 hba->fc_nports = MAX_TARGETS;
554 hba->fc_speed = 0;
555 hba->fc_topology = 0;
556 hba->nvram_node_wwn = 0ull;
557 hba->nvram_port_wwn = 0ull;
558 hba->active_node_wwn = 0ull;
559 hba->active_port_wwn = 0ull;
560 }
561 retval = 0;
562 break;
563 }
564 case ISP_TSK_MGMT:
565 {
566 int needmarker;
567 struct isp_fc_tsk_mgmt *fct = (struct isp_fc_tsk_mgmt *) addr;
568 uint16_t loopid;
569 mbreg_t mbs;
570
571 if (IS_SCSI(isp)) {
572 break;
573 }
574
575 chan = fct->chan;
576 if (chan < 0 || chan >= isp->isp_nchan) {
577 retval = -ENXIO;
578 break;
579 }
580
581 needmarker = retval = 0;
582 loopid = fct->loopid;
583 ISP_LOCK(isp);
584 if (IS_24XX(isp)) {
585 uint8_t local[QENTRY_LEN];
586 isp24xx_tmf_t *tmf;
587 isp24xx_statusreq_t *sp;
588 fcparam *fcp = FCPARAM(isp, chan);
589 fcportdb_t *lp;
590 int i;
591
592 for (i = 0; i < MAX_FC_TARG; i++) {
593 lp = &fcp->portdb[i];
594 if (lp->handle == loopid) {
595 break;
596 }
597 }
598 if (i == MAX_FC_TARG) {
599 retval = ENXIO;
600 ISP_UNLOCK(isp);
601 break;
602 }
603 /* XXX VALIDATE LP XXX */
604 tmf = (isp24xx_tmf_t *) local;
605 ISP_MEMZERO(tmf, QENTRY_LEN);
606 tmf->tmf_header.rqs_entry_type = RQSTYPE_TSK_MGMT;
607 tmf->tmf_header.rqs_entry_count = 1;
608 tmf->tmf_nphdl = lp->handle;
609 tmf->tmf_delay = 2;
610 tmf->tmf_timeout = 2;
611 tmf->tmf_tidlo = lp->portid;
612 tmf->tmf_tidhi = lp->portid >> 16;
613 tmf->tmf_vpidx = ISP_GET_VPIDX(isp, chan);
614 tmf->tmf_lun[1] = fct->lun & 0xff;
615 if (fct->lun >= 256) {
616 tmf->tmf_lun[0] = 0x40 | (fct->lun >> 8);
617 }
618 switch (fct->action) {
619 case IPT_CLEAR_ACA:
620 tmf->tmf_flags = ISP24XX_TMF_CLEAR_ACA;
621 break;
622 case IPT_TARGET_RESET:
623 tmf->tmf_flags = ISP24XX_TMF_TARGET_RESET;
624 needmarker = 1;
625 break;
626 case IPT_LUN_RESET:
627 tmf->tmf_flags = ISP24XX_TMF_LUN_RESET;
628 needmarker = 1;
629 break;
630 case IPT_CLEAR_TASK_SET:
631 tmf->tmf_flags = ISP24XX_TMF_CLEAR_TASK_SET;
632 needmarker = 1;
633 break;
634 case IPT_ABORT_TASK_SET:
635 tmf->tmf_flags = ISP24XX_TMF_ABORT_TASK_SET;
636 needmarker = 1;
637 break;
638 default:
639 retval = EINVAL;
640 break;
641 }
642 if (retval) {
643 ISP_UNLOCK(isp);
644 break;
645 }
646 MBSINIT(&mbs, MBOX_EXEC_COMMAND_IOCB_A64, MBLOGALL, 5000000);
647 mbs.param[1] = QENTRY_LEN;
648 mbs.param[2] = DMA_WD1(fcp->isp_scdma);
649 mbs.param[3] = DMA_WD0(fcp->isp_scdma);
650 mbs.param[6] = DMA_WD3(fcp->isp_scdma);
651 mbs.param[7] = DMA_WD2(fcp->isp_scdma);
652
653 if (FC_SCRATCH_ACQUIRE(isp, chan)) {
654 ISP_UNLOCK(isp);
655 retval = ENOMEM;
656 break;
657 }
658 isp_put_24xx_tmf(isp, tmf, fcp->isp_scratch);
659 MEMORYBARRIER(isp, SYNC_SFORDEV, 0, QENTRY_LEN, chan);
660 sp = (isp24xx_statusreq_t *) local;
661 sp->req_completion_status = 1;
662 retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs);
663 MEMORYBARRIER(isp, SYNC_SFORCPU, QENTRY_LEN, QENTRY_LEN, chan);
664 isp_get_24xx_response(isp, &((isp24xx_statusreq_t *)fcp->isp_scratch)[1], sp);
665 FC_SCRATCH_RELEASE(isp, chan);
666 if (retval || sp->req_completion_status != 0) {
667 FC_SCRATCH_RELEASE(isp, chan);
668 retval = EIO;
669 }
670 if (retval == 0) {
671 if (needmarker) {
672 fcp->sendmarker = 1;
673 }
674 }
675 } else {
676 MBSINIT(&mbs, 0, MBLOGALL, 0);
677 if (ISP_CAP_2KLOGIN(isp) == 0) {
678 loopid <<= 8;
679 }
680 switch (fct->action) {
681 case IPT_CLEAR_ACA:
682 mbs.param[0] = MBOX_CLEAR_ACA;
683 mbs.param[1] = loopid;
684 mbs.param[2] = fct->lun;
685 break;
686 case IPT_TARGET_RESET:
687 mbs.param[0] = MBOX_TARGET_RESET;
688 mbs.param[1] = loopid;
689 needmarker = 1;
690 break;
691 case IPT_LUN_RESET:
692 mbs.param[0] = MBOX_LUN_RESET;
693 mbs.param[1] = loopid;
694 mbs.param[2] = fct->lun;
695 needmarker = 1;
696 break;
697 case IPT_CLEAR_TASK_SET:
698 mbs.param[0] = MBOX_CLEAR_TASK_SET;
699 mbs.param[1] = loopid;
700 mbs.param[2] = fct->lun;
701 needmarker = 1;
702 break;
703 case IPT_ABORT_TASK_SET:
704 mbs.param[0] = MBOX_ABORT_TASK_SET;
705 mbs.param[1] = loopid;
706 mbs.param[2] = fct->lun;
707 needmarker = 1;
708 break;
709 default:
710 retval = EINVAL;
711 break;
712 }
713 if (retval == 0) {
714 if (needmarker) {
715 FCPARAM(isp, chan)->sendmarker = 1;
716 }
717 retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs);
718 if (retval) {
719 retval = EIO;
720 }
721 }
722 }
723 ISP_UNLOCK(isp);
724 break;
725 }
726 default:
727 break;
728 }
729 return (retval);
730 }
731
732 static void
isp_intr_enable(void * arg)733 isp_intr_enable(void *arg)
734 {
735 int chan;
736 ispsoftc_t *isp = arg;
737 ISP_LOCK(isp);
738 for (chan = 0; chan < isp->isp_nchan; chan++) {
739 if (IS_FC(isp)) {
740 if (FCPARAM(isp, chan)->role != ISP_ROLE_NONE) {
741 ISP_ENABLE_INTS(isp);
742 break;
743 }
744 } else {
745 if (SDPARAM(isp, chan)->role != ISP_ROLE_NONE) {
746 ISP_ENABLE_INTS(isp);
747 break;
748 }
749 }
750 }
751 isp->isp_osinfo.ehook_active = 0;
752 ISP_UNLOCK(isp);
753 /* Release our hook so that the boot can continue. */
754 config_intrhook_disestablish(&isp->isp_osinfo.ehook);
755 }
756
757 /*
758 * Local Inlines
759 */
760
761 static ISP_INLINE int isp_get_pcmd(ispsoftc_t *, union ccb *);
762 static ISP_INLINE void isp_free_pcmd(ispsoftc_t *, union ccb *);
763
764 static ISP_INLINE int
isp_get_pcmd(ispsoftc_t * isp,union ccb * ccb)765 isp_get_pcmd(ispsoftc_t *isp, union ccb *ccb)
766 {
767 ISP_PCMD(ccb) = isp->isp_osinfo.pcmd_free;
768 if (ISP_PCMD(ccb) == NULL) {
769 return (-1);
770 }
771 isp->isp_osinfo.pcmd_free = ((struct isp_pcmd *)ISP_PCMD(ccb))->next;
772 return (0);
773 }
774
775 static ISP_INLINE void
isp_free_pcmd(ispsoftc_t * isp,union ccb * ccb)776 isp_free_pcmd(ispsoftc_t *isp, union ccb *ccb)
777 {
778 ((struct isp_pcmd *)ISP_PCMD(ccb))->next = isp->isp_osinfo.pcmd_free;
779 isp->isp_osinfo.pcmd_free = ISP_PCMD(ccb);
780 ISP_PCMD(ccb) = NULL;
781 }
782 /*
783 * Put the target mode functions here, because some are inlines
784 */
785
786 #ifdef ISP_TARGET_MODE
787 static ISP_INLINE int is_lun_enabled(ispsoftc_t *, int, lun_id_t);
788 static ISP_INLINE tstate_t *get_lun_statep(ispsoftc_t *, int, lun_id_t);
789 static ISP_INLINE tstate_t *get_lun_statep_from_tag(ispsoftc_t *, int, uint32_t);
790 static ISP_INLINE void rls_lun_statep(ispsoftc_t *, tstate_t *);
791 static ISP_INLINE inot_private_data_t *get_ntp_from_tagdata(ispsoftc_t *, uint32_t, uint32_t, tstate_t **);
792 static ISP_INLINE atio_private_data_t *isp_get_atpd(ispsoftc_t *, tstate_t *, uint32_t);
793 static ISP_INLINE void isp_put_atpd(ispsoftc_t *, tstate_t *, atio_private_data_t *);
794 static ISP_INLINE inot_private_data_t *isp_get_ntpd(ispsoftc_t *, tstate_t *);
795 static ISP_INLINE inot_private_data_t *isp_find_ntpd(ispsoftc_t *, tstate_t *, uint32_t, uint32_t);
796 static ISP_INLINE void isp_put_ntpd(ispsoftc_t *, tstate_t *, inot_private_data_t *);
797 static cam_status create_lun_state(ispsoftc_t *, int, struct cam_path *, tstate_t **);
798 static void destroy_lun_state(ispsoftc_t *, tstate_t *);
799 static void isp_enable_lun(ispsoftc_t *, union ccb *);
800 static void isp_enable_deferred_luns(ispsoftc_t *, int);
801 static cam_status isp_enable_deferred(ispsoftc_t *, int, lun_id_t);
802 static void isp_disable_lun(ispsoftc_t *, union ccb *);
803 static int isp_enable_target_mode(ispsoftc_t *, int);
804 static void isp_ledone(ispsoftc_t *, lun_entry_t *);
805 static timeout_t isp_refire_putback_atio;
806 static void isp_complete_ctio(union ccb *);
807 static void isp_target_putback_atio(union ccb *);
808 static void isp_target_start_ctio(ispsoftc_t *, union ccb *);
809 static void isp_handle_platform_atio(ispsoftc_t *, at_entry_t *);
810 static void isp_handle_platform_atio2(ispsoftc_t *, at2_entry_t *);
811 static void isp_handle_platform_atio7(ispsoftc_t *, at7_entry_t *);
812 static void isp_handle_platform_ctio(ispsoftc_t *, void *);
813 static void isp_handle_platform_notify_scsi(ispsoftc_t *, in_entry_t *);
814 static void isp_handle_platform_notify_fc(ispsoftc_t *, in_fcentry_t *);
815 static void isp_handle_platform_notify_24xx(ispsoftc_t *, in_fcentry_24xx_t *);
816 static int isp_handle_platform_target_notify_ack(ispsoftc_t *, isp_notify_t *);
817 static void isp_handle_platform_target_tmf(ispsoftc_t *, isp_notify_t *);
818 static void isp_target_mark_aborted(ispsoftc_t *, union ccb *);
819 static void isp_target_mark_aborted_early(ispsoftc_t *, tstate_t *, uint32_t);
820
821 static ISP_INLINE int
is_lun_enabled(ispsoftc_t * isp,int bus,lun_id_t lun)822 is_lun_enabled(ispsoftc_t *isp, int bus, lun_id_t lun)
823 {
824 tstate_t *tptr;
825 struct tslist *lhp;
826
827 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp);
828 SLIST_FOREACH(tptr, lhp, next) {
829 if (xpt_path_lun_id(tptr->owner) == lun) {
830 return (1);
831 }
832 }
833 return (0);
834 }
835
836 static void
dump_tstates(ispsoftc_t * isp,int bus)837 dump_tstates(ispsoftc_t *isp, int bus)
838 {
839 int i, j;
840 struct tslist *lhp;
841 tstate_t *tptr = NULL;
842
843 if (bus >= isp->isp_nchan) {
844 return;
845 }
846 for (i = 0; i < LUN_HASH_SIZE; i++) {
847 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
848 j = 0;
849 SLIST_FOREACH(tptr, lhp, next) {
850 xpt_print(tptr->owner, "[%d, %d] atio_cnt=%d inot_cnt=%d\n", i, j, tptr->atio_count, tptr->inot_count);
851 j++;
852 }
853 }
854 }
855
856 static ISP_INLINE tstate_t *
get_lun_statep(ispsoftc_t * isp,int bus,lun_id_t lun)857 get_lun_statep(ispsoftc_t *isp, int bus, lun_id_t lun)
858 {
859 tstate_t *tptr = NULL;
860 struct tslist *lhp;
861 int i;
862
863 if (bus < isp->isp_nchan) {
864 for (i = 0; i < LUN_HASH_SIZE; i++) {
865 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
866 SLIST_FOREACH(tptr, lhp, next) {
867 if (xpt_path_lun_id(tptr->owner) == lun) {
868 tptr->hold++;
869 return (tptr);
870 }
871 }
872 }
873 }
874 return (NULL);
875 }
876
877 static ISP_INLINE tstate_t *
get_lun_statep_from_tag(ispsoftc_t * isp,int bus,uint32_t tagval)878 get_lun_statep_from_tag(ispsoftc_t *isp, int bus, uint32_t tagval)
879 {
880 tstate_t *tptr = NULL;
881 atio_private_data_t *atp;
882 struct tslist *lhp;
883 int i;
884
885 if (bus < isp->isp_nchan && tagval != 0) {
886 for (i = 0; i < LUN_HASH_SIZE; i++) {
887 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
888 SLIST_FOREACH(tptr, lhp, next) {
889 atp = isp_get_atpd(isp, tptr, tagval);
890 if (atp && atp->tag == tagval) {
891 tptr->hold++;
892 return (tptr);
893 }
894 }
895 }
896 }
897 return (NULL);
898 }
899
900 static ISP_INLINE inot_private_data_t *
get_ntp_from_tagdata(ispsoftc_t * isp,uint32_t tag_id,uint32_t seq_id,tstate_t ** rslt)901 get_ntp_from_tagdata(ispsoftc_t *isp, uint32_t tag_id, uint32_t seq_id, tstate_t **rslt)
902 {
903 inot_private_data_t *ntp;
904 tstate_t *tptr;
905 struct tslist *lhp;
906 int bus, i;
907
908 for (bus = 0; bus < isp->isp_nchan; bus++) {
909 for (i = 0; i < LUN_HASH_SIZE; i++) {
910 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
911 SLIST_FOREACH(tptr, lhp, next) {
912 ntp = isp_find_ntpd(isp, tptr, tag_id, seq_id);
913 if (ntp) {
914 *rslt = tptr;
915 tptr->hold++;
916 return (ntp);
917 }
918 }
919 }
920 }
921 return (NULL);
922 }
923 static ISP_INLINE void
rls_lun_statep(ispsoftc_t * isp,tstate_t * tptr)924 rls_lun_statep(ispsoftc_t *isp, tstate_t *tptr)
925 {
926 KASSERT((tptr->hold), ("tptr not held"));
927 tptr->hold--;
928 }
929
930 static void
isp_tmcmd_restart(ispsoftc_t * isp)931 isp_tmcmd_restart(ispsoftc_t *isp)
932 {
933 inot_private_data_t *ntp;
934 tstate_t *tptr;
935 struct tslist *lhp;
936 int bus, i;
937
938 for (bus = 0; bus < isp->isp_nchan; bus++) {
939 for (i = 0; i < LUN_HASH_SIZE; i++) {
940 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
941 SLIST_FOREACH(tptr, lhp, next) {
942 inot_private_data_t *restart_queue = tptr->restart_queue;
943 tptr->restart_queue = NULL;
944 while (restart_queue) {
945 ntp = restart_queue;
946 restart_queue = ntp->rd.nt.nt_hba;
947 if (IS_24XX(isp)) {
948 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at7_entry_t *)ntp->rd.data)->at_rxid);
949 isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->rd.data);
950 } else {
951 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at2_entry_t *)ntp->rd.data)->at_rxid);
952 isp_handle_platform_atio2(isp, (at2_entry_t *) ntp->rd.data);
953 }
954 isp_put_ntpd(isp, tptr, ntp);
955 if (tptr->restart_queue && restart_queue != NULL) {
956 ntp = tptr->restart_queue;
957 tptr->restart_queue = restart_queue;
958 while (restart_queue->rd.nt.nt_hba) {
959 restart_queue = restart_queue->rd.nt.nt_hba;
960 }
961 restart_queue->rd.nt.nt_hba = ntp;
962 break;
963 }
964 }
965 }
966 }
967 }
968 }
969
970 static ISP_INLINE atio_private_data_t *
isp_get_atpd(ispsoftc_t * isp,tstate_t * tptr,uint32_t tag)971 isp_get_atpd(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag)
972 {
973 atio_private_data_t *atp;
974
975 if (tag == 0) {
976 atp = tptr->atfree;
977 if (atp) {
978 tptr->atfree = atp->next;
979 }
980 return (atp);
981 }
982 for (atp = tptr->atpool; atp < &tptr->atpool[ATPDPSIZE]; atp++) {
983 if (atp->tag == tag) {
984 return (atp);
985 }
986 }
987 return (NULL);
988 }
989
990 static ISP_INLINE void
isp_put_atpd(ispsoftc_t * isp,tstate_t * tptr,atio_private_data_t * atp)991 isp_put_atpd(ispsoftc_t *isp, tstate_t *tptr, atio_private_data_t *atp)
992 {
993 atp->tag = 0;
994 atp->dead = 0;
995 atp->next = tptr->atfree;
996 tptr->atfree = atp;
997 }
998
999 static void
isp_dump_atpd(ispsoftc_t * isp,tstate_t * tptr)1000 isp_dump_atpd(ispsoftc_t *isp, tstate_t *tptr)
1001 {
1002 atio_private_data_t *atp;
1003 const char *states[8] = { "Free", "ATIO", "CAM", "CTIO", "LAST_CTIO", "PDON", "?6", "7" };
1004
1005 for (atp = tptr->atpool; atp < &tptr->atpool[ATPDPSIZE]; atp++) {
1006 if (atp->tag == 0) {
1007 continue;
1008 }
1009 xpt_print(tptr->owner, "ATP: [0x%x] origdlen %u bytes_xfrd %u last_xfr %u lun %u nphdl 0x%04x s_id 0x%06x d_id 0x%06x oxid 0x%04x state %s\n",
1010 atp->tag, atp->orig_datalen, atp->bytes_xfered, atp->last_xframt, atp->lun, atp->nphdl, atp->sid, atp->portid, atp->oxid, states[atp->state & 0x7]);
1011 }
1012 }
1013
1014
1015 static ISP_INLINE inot_private_data_t *
isp_get_ntpd(ispsoftc_t * isp,tstate_t * tptr)1016 isp_get_ntpd(ispsoftc_t *isp, tstate_t *tptr)
1017 {
1018 inot_private_data_t *ntp;
1019 ntp = tptr->ntfree;
1020 if (ntp) {
1021 tptr->ntfree = ntp->next;
1022 }
1023 return (ntp);
1024 }
1025
1026 static ISP_INLINE inot_private_data_t *
isp_find_ntpd(ispsoftc_t * isp,tstate_t * tptr,uint32_t tag_id,uint32_t seq_id)1027 isp_find_ntpd(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag_id, uint32_t seq_id)
1028 {
1029 inot_private_data_t *ntp;
1030 for (ntp = tptr->ntpool; ntp < &tptr->ntpool[ATPDPSIZE]; ntp++) {
1031 if (ntp->rd.tag_id == tag_id && ntp->rd.seq_id == seq_id) {
1032 return (ntp);
1033 }
1034 }
1035 return (NULL);
1036 }
1037
1038 static ISP_INLINE void
isp_put_ntpd(ispsoftc_t * isp,tstate_t * tptr,inot_private_data_t * ntp)1039 isp_put_ntpd(ispsoftc_t *isp, tstate_t *tptr, inot_private_data_t *ntp)
1040 {
1041 ntp->rd.tag_id = ntp->rd.seq_id = 0;
1042 ntp->next = tptr->ntfree;
1043 tptr->ntfree = ntp;
1044 }
1045
1046 static cam_status
create_lun_state(ispsoftc_t * isp,int bus,struct cam_path * path,tstate_t ** rslt)1047 create_lun_state(ispsoftc_t *isp, int bus, struct cam_path *path, tstate_t **rslt)
1048 {
1049 cam_status status;
1050 lun_id_t lun;
1051 struct tslist *lhp;
1052 tstate_t *tptr;
1053 int i;
1054
1055 lun = xpt_path_lun_id(path);
1056 if (lun != CAM_LUN_WILDCARD) {
1057 if (lun >= ISP_MAX_LUNS(isp)) {
1058 return (CAM_LUN_INVALID);
1059 }
1060 }
1061 if (is_lun_enabled(isp, bus, lun)) {
1062 return (CAM_LUN_ALRDY_ENA);
1063 }
1064 tptr = kmalloc(sizeof (tstate_t), M_DEVBUF, M_WAITOK | M_ZERO);
1065 status = xpt_create_path(&tptr->owner, NULL, xpt_path_path_id(path), xpt_path_target_id(path), lun);
1066 if (status != CAM_REQ_CMP) {
1067 kfree(tptr, M_DEVBUF);
1068 return (status);
1069 }
1070 SLIST_INIT(&tptr->atios);
1071 SLIST_INIT(&tptr->inots);
1072 for (i = 0; i < ATPDPSIZE-1; i++) {
1073 tptr->atpool[i].next = &tptr->atpool[i+1];
1074 tptr->ntpool[i].next = &tptr->ntpool[i+1];
1075 }
1076 tptr->atfree = tptr->atpool;
1077 tptr->ntfree = tptr->ntpool;
1078 tptr->hold = 1;
1079 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(xpt_path_lun_id(tptr->owner))], lhp);
1080 SLIST_INSERT_HEAD(lhp, tptr, next);
1081 *rslt = tptr;
1082 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, path, "created tstate\n");
1083 return (CAM_REQ_CMP);
1084 }
1085
1086 static ISP_INLINE void
destroy_lun_state(ispsoftc_t * isp,tstate_t * tptr)1087 destroy_lun_state(ispsoftc_t *isp, tstate_t *tptr)
1088 {
1089 struct tslist *lhp;
1090 KASSERT((tptr->hold == 0), ("tptr still held"));
1091 ISP_GET_PC_ADDR(isp, xpt_path_path_id(tptr->owner), lun_hash[LUN_HASH_FUNC(xpt_path_lun_id(tptr->owner))], lhp);
1092 SLIST_REMOVE(lhp, tptr, tstate, next);
1093 xpt_free_path(tptr->owner);
1094 kfree(tptr, M_DEVBUF);
1095 }
1096
1097 /*
1098 * Enable a lun.
1099 */
1100 static void
isp_enable_lun(ispsoftc_t * isp,union ccb * ccb)1101 isp_enable_lun(ispsoftc_t *isp, union ccb *ccb)
1102 {
1103 tstate_t *tptr = NULL;
1104 int bus, tm_enabled, target_role;
1105 target_id_t target;
1106 lun_id_t lun;
1107
1108 /*
1109 * We only support either a wildcard target/lun or a target ID of zero and a non-wildcard lun
1110 */
1111 bus = XS_CHANNEL(ccb);
1112 target = ccb->ccb_h.target_id;
1113 lun = ccb->ccb_h.target_lun;
1114 if (target != CAM_TARGET_WILDCARD && target != 0) {
1115 ccb->ccb_h.status = CAM_TID_INVALID;
1116 xpt_done(ccb);
1117 return;
1118 }
1119 if (target == CAM_TARGET_WILDCARD && lun != CAM_LUN_WILDCARD) {
1120 ccb->ccb_h.status = CAM_LUN_INVALID;
1121 xpt_done(ccb);
1122 return;
1123 }
1124
1125 if (target != CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) {
1126 ccb->ccb_h.status = CAM_LUN_INVALID;
1127 xpt_done(ccb);
1128 return;
1129 }
1130 if (isp->isp_dblev & ISP_LOGTDEBUG0) {
1131 xpt_print(ccb->ccb_h.path, "enabling lun 0x%x on channel %d\n", lun, bus);
1132 }
1133
1134 /*
1135 * Wait until we're not busy with the lun enables subsystem
1136 */
1137 while (isp->isp_osinfo.tmbusy) {
1138 isp->isp_osinfo.tmwanted = 1;
1139 mtx_sleep(isp, &isp->isp_lock, 0, "want_isp_enable_lun", 0);
1140 }
1141 isp->isp_osinfo.tmbusy = 1;
1142
1143 /*
1144 * This is as a good a place as any to check f/w capabilities.
1145 */
1146
1147 if (IS_FC(isp)) {
1148 if (ISP_CAP_TMODE(isp) == 0) {
1149 xpt_print(ccb->ccb_h.path, "firmware does not support target mode\n");
1150 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1151 goto done;
1152 }
1153 /*
1154 * We *could* handle non-SCCLUN f/w, but we'd have to
1155 * dork with our already fragile enable/disable code.
1156 */
1157 if (ISP_CAP_SCCFW(isp) == 0) {
1158 xpt_print(ccb->ccb_h.path, "firmware not SCCLUN capable\n");
1159 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1160 goto done;
1161 }
1162
1163 target_role = (FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) != 0;
1164
1165 } else {
1166 target_role = (SDPARAM(isp, bus)->role & ISP_ROLE_TARGET) != 0;
1167 }
1168
1169 /*
1170 * Create the state pointer.
1171 * It should not already exist.
1172 */
1173 tptr = get_lun_statep(isp, bus, lun);
1174 if (tptr) {
1175 ccb->ccb_h.status = CAM_LUN_ALRDY_ENA;
1176 goto done;
1177 }
1178 ccb->ccb_h.status = create_lun_state(isp, bus, ccb->ccb_h.path, &tptr);
1179 if (ccb->ccb_h.status != CAM_REQ_CMP) {
1180 goto done;
1181 }
1182
1183 /*
1184 * We have a tricky maneuver to perform here.
1185 *
1186 * If target mode isn't already enabled here,
1187 * *and* our current role includes target mode,
1188 * we enable target mode here.
1189 *
1190 */
1191 ISP_GET_PC(isp, bus, tm_enabled, tm_enabled);
1192 if (tm_enabled == 0 && target_role != 0) {
1193 if (isp_enable_target_mode(isp, bus)) {
1194 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1195 destroy_lun_state(isp, tptr);
1196 tptr = NULL;
1197 goto done;
1198 }
1199 tm_enabled = 1;
1200 }
1201
1202 /*
1203 * Now check to see whether this bus is in target mode already.
1204 *
1205 * If not, a later role change into target mode will finish the job.
1206 */
1207 if (tm_enabled == 0) {
1208 ISP_SET_PC(isp, bus, tm_enable_defer, 1);
1209 ccb->ccb_h.status = CAM_REQ_CMP;
1210 xpt_print(ccb->ccb_h.path, "Target Mode Not Enabled Yet- Lun Enables Deferred\n");
1211 goto done;
1212 }
1213
1214 /*
1215 * Enable the lun.
1216 */
1217 ccb->ccb_h.status = isp_enable_deferred(isp, bus, lun);
1218
1219 done:
1220 if (ccb->ccb_h.status != CAM_REQ_CMP && tptr) {
1221 destroy_lun_state(isp, tptr);
1222 tptr = NULL;
1223 }
1224 if (tptr) {
1225 rls_lun_statep(isp, tptr);
1226 }
1227 isp->isp_osinfo.tmbusy = 0;
1228 if (isp->isp_osinfo.tmwanted) {
1229 isp->isp_osinfo.tmwanted = 0;
1230 wakeup(isp);
1231 }
1232 xpt_done(ccb);
1233 }
1234
1235 static void
isp_enable_deferred_luns(ispsoftc_t * isp,int bus)1236 isp_enable_deferred_luns(ispsoftc_t *isp, int bus)
1237 {
1238 /*
1239 * XXX: not entirely implemented yet
1240 */
1241 (void) isp_enable_deferred(isp, bus, 0);
1242 }
1243
1244 static uint32_t
isp_enable_deferred(ispsoftc_t * isp,int bus,lun_id_t lun)1245 isp_enable_deferred(ispsoftc_t *isp, int bus, lun_id_t lun)
1246 {
1247 cam_status status;
1248
1249 isp_prt(isp, ISP_LOGTINFO, "%s: bus %d lun %u", __func__, bus, lun);
1250 if (IS_24XX(isp) || (IS_FC(isp) && ISP_FC_PC(isp, bus)->tm_luns_enabled)) {
1251 status = CAM_REQ_CMP;
1252 } else {
1253 int cmd_cnt, not_cnt;
1254
1255 if (IS_23XX(isp)) {
1256 cmd_cnt = DFLT_CMND_CNT;
1257 not_cnt = DFLT_INOT_CNT;
1258 } else {
1259 cmd_cnt = 64;
1260 not_cnt = 8;
1261 }
1262 status = CAM_REQ_INPROG;
1263 isp->isp_osinfo.rptr = &status;
1264 if (isp_lun_cmd(isp, RQSTYPE_ENABLE_LUN, bus, lun, DFLT_CMND_CNT, DFLT_INOT_CNT)) {
1265 status = CAM_RESRC_UNAVAIL;
1266 } else {
1267 mtx_sleep(&status, &isp->isp_lock, PRIBIO, "isp_enable_deferred", 0);
1268 }
1269 isp->isp_osinfo.rptr = NULL;
1270 }
1271
1272 if (status == CAM_REQ_CMP) {
1273 ISP_SET_PC(isp, bus, tm_luns_enabled, 1);
1274 isp_prt(isp, ISP_LOGTINFO, "bus %d lun %u now enabled for target mode", bus, lun);
1275 }
1276 return (status);
1277 }
1278
1279 static void
isp_disable_lun(ispsoftc_t * isp,union ccb * ccb)1280 isp_disable_lun(ispsoftc_t *isp, union ccb *ccb)
1281 {
1282 tstate_t *tptr = NULL;
1283 int bus;
1284 cam_status status;
1285 target_id_t target;
1286 lun_id_t lun;
1287
1288 bus = XS_CHANNEL(ccb);
1289 target = ccb->ccb_h.target_id;
1290 lun = ccb->ccb_h.target_lun;
1291 if (target != CAM_TARGET_WILDCARD && target != 0) {
1292 ccb->ccb_h.status = CAM_TID_INVALID;
1293 xpt_done(ccb);
1294 return;
1295 }
1296 if (target == CAM_TARGET_WILDCARD && lun != CAM_LUN_WILDCARD) {
1297 ccb->ccb_h.status = CAM_LUN_INVALID;
1298 xpt_done(ccb);
1299 return;
1300 }
1301
1302 if (target != CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) {
1303 ccb->ccb_h.status = CAM_LUN_INVALID;
1304 xpt_done(ccb);
1305 return;
1306 }
1307 if (isp->isp_dblev & ISP_LOGTDEBUG0) {
1308 xpt_print(ccb->ccb_h.path, "enabling lun 0x%x on channel %d\n", lun, bus);
1309 }
1310
1311 /*
1312 * See if we're busy disabling a lun now.
1313 */
1314 while (isp->isp_osinfo.tmbusy) {
1315 isp->isp_osinfo.tmwanted = 1;
1316 mtx_sleep(isp, &isp->isp_lock, PRIBIO, "want_isp_disable_lun", 0);
1317 }
1318 isp->isp_osinfo.tmbusy = 1;
1319
1320 /*
1321 * Find the state pointer.
1322 */
1323 if ((tptr = get_lun_statep(isp, bus, lun)) == NULL) {
1324 ccb->ccb_h.status = CAM_PATH_INVALID;
1325 goto done;
1326 }
1327
1328 /*
1329 * If we're a 24XX card, we're done.
1330 */
1331 if (IS_24XX(isp)) {
1332 status = CAM_REQ_CMP;
1333 goto done;
1334 }
1335
1336 /*
1337 * For SCC FW, we only deal with lun zero.
1338 */
1339 if (IS_FC(isp)) {
1340 lun = 0;
1341 }
1342
1343 isp->isp_osinfo.rptr = &status;
1344 status = CAM_REQ_INPROG;
1345 if (isp_lun_cmd(isp, RQSTYPE_ENABLE_LUN, bus, lun, 0, 0)) {
1346 status = CAM_RESRC_UNAVAIL;
1347 } else {
1348 mtx_sleep(ccb, &isp->isp_lock, PRIBIO, "isp_disable_lun", 0);
1349 }
1350 done:
1351 if (status == CAM_REQ_CMP) {
1352 xpt_print(ccb->ccb_h.path, "now disabled for target mode\n");
1353 }
1354 if (tptr) {
1355 destroy_lun_state(isp, tptr);
1356 }
1357 isp->isp_osinfo.rptr = NULL;
1358 isp->isp_osinfo.tmbusy = 0;
1359 if (isp->isp_osinfo.tmwanted) {
1360 isp->isp_osinfo.tmwanted = 0;
1361 wakeup(isp);
1362 }
1363 xpt_done(ccb);
1364 }
1365
1366 static int
isp_enable_target_mode(ispsoftc_t * isp,int bus)1367 isp_enable_target_mode(ispsoftc_t *isp, int bus)
1368 {
1369 int ct;
1370
1371 ISP_GET_PC(isp, bus, tm_enabled, ct);
1372 if (ct != 0) {
1373 return (0);
1374 }
1375
1376 if (IS_SCSI(isp)) {
1377 mbreg_t mbs;
1378
1379 MBSINIT(&mbs, MBOX_ENABLE_TARGET_MODE, MBLOGALL, 0);
1380 mbs.param[0] = MBOX_ENABLE_TARGET_MODE;
1381 mbs.param[1] = ENABLE_TARGET_FLAG|ENABLE_TQING_FLAG;
1382 mbs.param[2] = bus << 7;
1383 if (isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs) < 0 || mbs.param[0] != MBOX_COMMAND_COMPLETE) {
1384 isp_prt(isp, ISP_LOGERR, "Unable to add Target Role to Bus %d", bus);
1385 return (EIO);
1386 }
1387 SDPARAM(isp, bus)->role |= ISP_ROLE_TARGET;
1388 }
1389 ISP_SET_PC(isp, bus, tm_enabled, 1);
1390 isp_prt(isp, ISP_LOGINFO, "Target Role added to Bus %d", bus);
1391 return (0);
1392 }
1393
1394 #ifdef NEEDED
1395 static int
isp_disable_target_mode(ispsoftc_t * isp,int bus)1396 isp_disable_target_mode(ispsoftc_t *isp, int bus)
1397 {
1398 int ct;
1399
1400 ISP_GET_PC(isp, bus, tm_enabled, ct);
1401 if (ct == 0) {
1402 return (0);
1403 }
1404
1405 if (IS_SCSI(isp)) {
1406 mbreg_t mbs;
1407
1408 MBSINIT(&mbs, MBOX_ENABLE_TARGET_MODE, MBLOGALL, 0);
1409 mbs.param[2] = bus << 7;
1410 if (isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs) < 0 || mbs.param[0] != MBOX_COMMAND_COMPLETE) {
1411 isp_prt(isp, ISP_LOGERR, "Unable to subtract Target Role to Bus %d", bus);
1412 return (EIO);
1413 }
1414 SDPARAM(isp, bus)->role &= ~ISP_ROLE_TARGET;
1415 }
1416 ISP_SET_PC(isp, bus, tm_enabled, 0);
1417 isp_prt(isp, ISP_LOGINFO, "Target Role subtracted from Bus %d", bus);
1418 return (0);
1419 }
1420 #endif
1421
1422 static void
isp_ledone(ispsoftc_t * isp,lun_entry_t * lep)1423 isp_ledone(ispsoftc_t *isp, lun_entry_t *lep)
1424 {
1425 uint32_t *rptr;
1426
1427 rptr = isp->isp_osinfo.rptr;
1428 if (lep->le_status != LUN_OK) {
1429 isp_prt(isp, ISP_LOGERR, "ENABLE/MODIFY LUN returned 0x%x", lep->le_status);
1430 if (rptr) {
1431 *rptr = CAM_REQ_CMP_ERR;
1432 wakeup_one(rptr);
1433 }
1434 } else {
1435 if (rptr) {
1436 *rptr = CAM_REQ_CMP;
1437 wakeup_one(rptr);
1438 }
1439 }
1440 }
1441
1442 static void
isp_target_start_ctio(ispsoftc_t * isp,union ccb * ccb)1443 isp_target_start_ctio(ispsoftc_t *isp, union ccb *ccb)
1444 {
1445 void *qe;
1446 tstate_t *tptr;
1447 atio_private_data_t *atp;
1448 struct ccb_scsiio *cso = &ccb->csio;
1449 uint32_t dmaresult, handle;
1450 uint8_t local[QENTRY_LEN];
1451
1452 /*
1453 * Do some sanity checks.
1454 */
1455 if (cso->dxfer_len == 0) {
1456 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) {
1457 xpt_print(ccb->ccb_h.path, "a data transfer length of zero but no status to send is wrong\n");
1458 ccb->ccb_h.status = CAM_REQ_INVALID;
1459 xpt_done(ccb);
1460 return;
1461 }
1462 }
1463
1464 tptr = get_lun_statep(isp, XS_CHANNEL(ccb), XS_LUN(ccb));
1465 if (tptr == NULL) {
1466 tptr = get_lun_statep(isp, XS_CHANNEL(ccb), CAM_LUN_WILDCARD);
1467 if (tptr == NULL) {
1468 xpt_print(ccb->ccb_h.path, "%s: [0x%x] cannot find tstate pointer in %s\n", __func__, cso->tag_id);
1469 dump_tstates(isp, XS_CHANNEL(ccb));
1470 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
1471 xpt_done(ccb);
1472 return;
1473 }
1474 }
1475
1476 atp = isp_get_atpd(isp, tptr, cso->tag_id);
1477 if (atp == NULL) {
1478 xpt_print(ccb->ccb_h.path, "%s: [0x%x] cannot find private data adjunct\n", __func__, cso->tag_id);
1479 isp_dump_atpd(isp, tptr);
1480 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1481 xpt_done(ccb);
1482 return;
1483 }
1484 if (atp->dead) {
1485 xpt_print(ccb->ccb_h.path, "%s: [0x%x] stopping sending a CTIO for a dead command\n", __func__, cso->tag_id);
1486 ccb->ccb_h.status = CAM_REQ_ABORTED;
1487 xpt_done(ccb);
1488 return;
1489 }
1490
1491 /*
1492 * Check to make sure we're still in target mode.
1493 */
1494 if ((FCPARAM(isp, XS_CHANNEL(ccb))->role & ISP_ROLE_TARGET) == 0) {
1495 xpt_print(ccb->ccb_h.path, "%s: [0x%x] stopping sending a CTIO because we're no longer in target mode\n", __func__, cso->tag_id);
1496 ccb->ccb_h.status = CAM_PROVIDE_FAIL;
1497 xpt_done(ccb);
1498 return;
1499 }
1500
1501 /*
1502 * Get some resources
1503 */
1504 if (isp_get_pcmd(isp, ccb)) {
1505 rls_lun_statep(isp, tptr);
1506 xpt_print(ccb->ccb_h.path, "out of PCMDs\n");
1507 cam_freeze_devq(ccb->ccb_h.path);
1508 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 250, 0);
1509 ccb->ccb_h.status = CAM_REQUEUE_REQ;
1510 xpt_done(ccb);
1511 return;
1512 }
1513 qe = isp_getrqentry(isp);
1514 if (qe == NULL) {
1515 xpt_print(ccb->ccb_h.path, rqo, __func__);
1516 cam_freeze_devq(ccb->ccb_h.path);
1517 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 250, 0);
1518 ccb->ccb_h.status = CAM_REQUEUE_REQ;
1519 goto out;
1520 }
1521 memset(local, 0, QENTRY_LEN);
1522
1523 /*
1524 * We're either moving data or completing a command here.
1525 */
1526 if (IS_24XX(isp)) {
1527 ct7_entry_t *cto = (ct7_entry_t *) local;
1528
1529 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
1530 cto->ct_header.rqs_entry_count = 1;
1531 cto->ct_header.rqs_seqno = 1;
1532 cto->ct_nphdl = atp->nphdl;
1533 cto->ct_rxid = atp->tag;
1534 cto->ct_iid_lo = atp->portid;
1535 cto->ct_iid_hi = atp->portid >> 16;
1536 cto->ct_oxid = atp->oxid;
1537 cto->ct_vpidx = ISP_GET_VPIDX(isp, XS_CHANNEL(ccb));
1538 cto->ct_scsi_status = cso->scsi_status;
1539 cto->ct_timeout = 120;
1540 cto->ct_flags = atp->tattr << CT7_TASK_ATTR_SHIFT;
1541 if (ccb->ccb_h.flags & CAM_SEND_STATUS) {
1542 cto->ct_flags |= CT7_SENDSTATUS;
1543 }
1544 if (cso->dxfer_len == 0) {
1545 cto->ct_flags |= CT7_FLAG_MODE1 | CT7_NO_DATA;
1546 if ((ccb->ccb_h.flags & CAM_SEND_SENSE) != 0) {
1547 int m = min(cso->sense_len, sizeof (struct scsi_sense_data));
1548 cto->rsp.m1.ct_resplen = cto->ct_senselen = min(m, MAXRESPLEN_24XX);
1549 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, cto->ct_senselen);
1550 cto->ct_scsi_status |= (FCP_SNSLEN_VALID << 8);
1551 }
1552 } else {
1553 cto->ct_flags |= CT7_FLAG_MODE0;
1554 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1555 cto->ct_flags |= CT7_DATA_IN;
1556 } else {
1557 cto->ct_flags |= CT7_DATA_OUT;
1558 }
1559 cto->rsp.m0.reloff = atp->bytes_xfered;
1560 /*
1561 * Don't overrun the limits placed on us
1562 */
1563 if (atp->bytes_xfered + cso->dxfer_len > atp->orig_datalen) {
1564 cso->dxfer_len = atp->orig_datalen - atp->bytes_xfered;
1565 }
1566 atp->last_xframt = cso->dxfer_len;
1567 cto->rsp.m0.ct_xfrlen = cso->dxfer_len;
1568 }
1569 if (cto->ct_flags & CT7_SENDSTATUS) {
1570 int lvl = (cso->scsi_status)? ISP_LOGTINFO : ISP_LOGTDEBUG0;
1571 cto->ct_resid = atp->orig_datalen - (atp->bytes_xfered + cso->dxfer_len);
1572 if (cto->ct_resid < 0) {
1573 cto->ct_scsi_status |= (FCP_RESID_OVERFLOW << 8);
1574 } else if (cto->ct_resid > 0) {
1575 cto->ct_scsi_status |= (FCP_RESID_UNDERFLOW << 8);
1576 }
1577 atp->state = ATPD_STATE_LAST_CTIO;
1578 ISP_PATH_PRT(isp, lvl, cso->ccb_h.path, "%s: CTIO7[%x] CDB0=%x scsi status %x flags %x resid %d xfrlen %u offset %u\n", __func__, cto->ct_rxid,
1579 atp->cdb0, cto->ct_scsi_status, cto->ct_flags, cto->ct_resid, cso->dxfer_len, atp->bytes_xfered);
1580 } else {
1581 cto->ct_resid = 0;
1582 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, cso->ccb_h.path, "%s: CTIO7[%x] flags %x xfrlen %u offset %u\n", __func__, cto->ct_rxid, cto->ct_flags,
1583 cso->dxfer_len, atp->bytes_xfered);
1584 atp->state = ATPD_STATE_CTIO;
1585 }
1586 } else if (IS_FC(isp)) {
1587 ct2_entry_t *cto = (ct2_entry_t *) local;
1588
1589 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO2;
1590 cto->ct_header.rqs_entry_count = 1;
1591 cto->ct_header.rqs_seqno = 1;
1592 if (ISP_CAP_2KLOGIN(isp) == 0) {
1593 ((ct2e_entry_t *)cto)->ct_iid = cso->init_id;
1594 } else {
1595 cto->ct_iid = cso->init_id;
1596 if (ISP_CAP_SCCFW(isp) == 0) {
1597 cto->ct_lun = ccb->ccb_h.target_lun;
1598 }
1599 }
1600
1601
1602 cto->ct_rxid = cso->tag_id;
1603 if (cso->dxfer_len == 0) {
1604 cto->ct_flags |= CT2_FLAG_MODE1 | CT2_NO_DATA | CT2_SENDSTATUS;
1605 cto->rsp.m1.ct_scsi_status = cso->scsi_status;
1606 cto->ct_resid = atp->orig_datalen - atp->bytes_xfered;
1607 if (cto->ct_resid < 0) {
1608 cto->rsp.m1.ct_scsi_status |= CT2_DATA_OVER;
1609 } else if (cto->ct_resid > 0) {
1610 cto->rsp.m1.ct_scsi_status |= CT2_DATA_UNDER;
1611 }
1612 if ((ccb->ccb_h.flags & CAM_SEND_SENSE) != 0) {
1613 int m = min(cso->sense_len, MAXRESPLEN);
1614 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, m);
1615 cto->rsp.m1.ct_senselen = m;
1616 cto->rsp.m1.ct_scsi_status |= CT2_SNSLEN_VALID;
1617 } else if (cso->scsi_status == SCSI_STATUS_CHECK_COND) {
1618 /*
1619 * XXX: DEBUG
1620 */
1621 xpt_print(ccb->ccb_h.path, "CHECK CONDITION being sent without associated SENSE DATA for CDB=0x%x\n", atp->cdb0);
1622 }
1623 } else {
1624 cto->ct_flags |= CT2_FLAG_MODE0;
1625 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1626 cto->ct_flags |= CT2_DATA_IN;
1627 } else {
1628 cto->ct_flags |= CT2_DATA_OUT;
1629 }
1630 cto->ct_reloff = atp->bytes_xfered;
1631 cto->rsp.m0.ct_xfrlen = cso->dxfer_len;
1632 /*
1633 * Don't overrun the limits placed on us
1634 */
1635 if (atp->bytes_xfered + cso->dxfer_len > atp->orig_datalen) {
1636 cso->dxfer_len = atp->orig_datalen - atp->bytes_xfered;
1637 }
1638 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) != 0) {
1639 cto->ct_flags |= CT2_SENDSTATUS;
1640 cto->rsp.m0.ct_scsi_status = cso->scsi_status;
1641 cto->ct_resid = atp->orig_datalen - (atp->bytes_xfered + cso->dxfer_len);
1642 if (cto->ct_resid < 0) {
1643 cto->rsp.m0.ct_scsi_status |= CT2_DATA_OVER;
1644 } else if (cto->ct_resid > 0) {
1645 cto->rsp.m0.ct_scsi_status |= CT2_DATA_UNDER;
1646 }
1647 } else {
1648 atp->last_xframt = cso->dxfer_len;
1649 }
1650 /*
1651 * If we're sending data and status back together,
1652 * we can't also send back sense data as well.
1653 */
1654 ccb->ccb_h.flags &= ~CAM_SEND_SENSE;
1655 }
1656
1657 if (cto->ct_flags & CT2_SENDSTATUS) {
1658 int lvl = (cso->scsi_status)? ISP_LOGTINFO : ISP_LOGTDEBUG0;
1659 cto->ct_flags |= CT2_CCINCR;
1660 atp->state = ATPD_STATE_LAST_CTIO;
1661 ISP_PATH_PRT(isp, lvl, cso->ccb_h.path, "%s: CTIO2[%x] CDB0=%x scsi status %x flags %x resid %d xfrlen %u offset %u\n", __func__, cto->ct_rxid,
1662 atp->cdb0, cto->rsp.m0.ct_scsi_status, cto->ct_flags, cto->ct_resid, cso->dxfer_len, atp->bytes_xfered);
1663 } else {
1664 cto->ct_resid = 0;
1665 atp->state = ATPD_STATE_CTIO;
1666 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "%s: CTIO2[%x] flags %x xfrlen %u offset %u\n", __func__, cto->ct_rxid, cto->ct_flags,
1667 cso->dxfer_len, atp->bytes_xfered);
1668 }
1669 cto->ct_timeout = 10;
1670 } else {
1671 ct_entry_t *cto = (ct_entry_t *) local;
1672
1673 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO;
1674 cto->ct_header.rqs_entry_count = 1;
1675 cto->ct_header.rqs_seqno = 1;
1676 cto->ct_iid = cso->init_id;
1677 cto->ct_iid |= XS_CHANNEL(ccb) << 7;
1678 cto->ct_tgt = ccb->ccb_h.target_id;
1679 cto->ct_lun = ccb->ccb_h.target_lun;
1680 cto->ct_fwhandle = cso->tag_id >> 16;
1681 if (AT_HAS_TAG(cso->tag_id)) {
1682 cto->ct_tag_val = cso->tag_id;
1683 cto->ct_flags |= CT_TQAE;
1684 }
1685 if (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) {
1686 cto->ct_flags |= CT_NODISC;
1687 }
1688 if (cso->dxfer_len == 0) {
1689 cto->ct_flags |= CT_NO_DATA;
1690 } else if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1691 cto->ct_flags |= CT_DATA_IN;
1692 } else {
1693 cto->ct_flags |= CT_DATA_OUT;
1694 }
1695 if (ccb->ccb_h.flags & CAM_SEND_STATUS) {
1696 cto->ct_flags |= CT_SENDSTATUS|CT_CCINCR;
1697 cto->ct_scsi_status = cso->scsi_status;
1698 cto->ct_resid = cso->resid;
1699 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "%s: CTIO[%x] scsi status %x resid %d tag_id %x\n", __func__,
1700 cto->ct_fwhandle, cso->scsi_status, cso->resid, cso->tag_id);
1701 }
1702 ccb->ccb_h.flags &= ~CAM_SEND_SENSE;
1703 cto->ct_timeout = 10;
1704 }
1705
1706 if (isp_allocate_xs_tgt(isp, ccb, &handle)) {
1707 xpt_print(ccb->ccb_h.path, "No XFLIST pointers for %s\n", __func__);
1708 ccb->ccb_h.status = CAM_REQUEUE_REQ;
1709 goto out;
1710 }
1711
1712
1713 /*
1714 * Call the dma setup routines for this entry (and any subsequent
1715 * CTIOs) if there's data to move, and then tell the f/w it's got
1716 * new things to play with. As with isp_start's usage of DMA setup,
1717 * any swizzling is done in the machine dependent layer. Because
1718 * of this, we put the request onto the queue area first in native
1719 * format.
1720 */
1721
1722 if (IS_24XX(isp)) {
1723 ct7_entry_t *cto = (ct7_entry_t *) local;
1724 cto->ct_syshandle = handle;
1725 } else if (IS_FC(isp)) {
1726 ct2_entry_t *cto = (ct2_entry_t *) local;
1727 cto->ct_syshandle = handle;
1728 } else {
1729 ct_entry_t *cto = (ct_entry_t *) local;
1730 cto->ct_syshandle = handle;
1731 }
1732
1733 dmaresult = ISP_DMASETUP(isp, cso, (ispreq_t *) local);
1734 if (dmaresult == CMD_QUEUED) {
1735 isp->isp_nactive++;
1736 ccb->ccb_h.status |= CAM_SIM_QUEUED;
1737 rls_lun_statep(isp, tptr);
1738 return;
1739 }
1740 if (dmaresult == CMD_EAGAIN) {
1741 ccb->ccb_h.status = CAM_REQUEUE_REQ;
1742 } else {
1743 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1744 }
1745 isp_destroy_tgt_handle(isp, handle);
1746 out:
1747 rls_lun_statep(isp, tptr);
1748 isp_free_pcmd(isp, ccb);
1749 xpt_done(ccb);
1750 }
1751
1752 static void
isp_refire_putback_atio(void * arg)1753 isp_refire_putback_atio(void *arg)
1754 {
1755 union ccb *ccb = arg;
1756 ispsoftc_t *isp = XS_ISP(ccb);
1757 ISP_LOCK(isp);
1758 isp_target_putback_atio(ccb);
1759 ISP_UNLOCK(isp);
1760 }
1761
1762 static void
isp_target_putback_atio(union ccb * ccb)1763 isp_target_putback_atio(union ccb *ccb)
1764 {
1765 ispsoftc_t *isp;
1766 struct ccb_scsiio *cso;
1767 void *qe;
1768
1769 isp = XS_ISP(ccb);
1770
1771 qe = isp_getrqentry(isp);
1772 if (qe == NULL) {
1773 xpt_print(ccb->ccb_h.path, rqo, __func__);
1774 (void) timeout(isp_refire_putback_atio, ccb, 10);
1775 return;
1776 }
1777 memset(qe, 0, QENTRY_LEN);
1778 cso = &ccb->csio;
1779 if (IS_FC(isp)) {
1780 at2_entry_t local, *at = &local;
1781 ISP_MEMZERO(at, sizeof (at2_entry_t));
1782 at->at_header.rqs_entry_type = RQSTYPE_ATIO2;
1783 at->at_header.rqs_entry_count = 1;
1784 if (ISP_CAP_SCCFW(isp)) {
1785 at->at_scclun = (uint16_t) ccb->ccb_h.target_lun;
1786 } else {
1787 at->at_lun = (uint8_t) ccb->ccb_h.target_lun;
1788 }
1789 at->at_status = CT_OK;
1790 at->at_rxid = cso->tag_id;
1791 at->at_iid = cso->ccb_h.target_id;
1792 isp_put_atio2(isp, at, qe);
1793 } else {
1794 at_entry_t local, *at = &local;
1795 ISP_MEMZERO(at, sizeof (at_entry_t));
1796 at->at_header.rqs_entry_type = RQSTYPE_ATIO;
1797 at->at_header.rqs_entry_count = 1;
1798 at->at_iid = cso->init_id;
1799 at->at_iid |= XS_CHANNEL(ccb) << 7;
1800 at->at_tgt = cso->ccb_h.target_id;
1801 at->at_lun = cso->ccb_h.target_lun;
1802 at->at_status = CT_OK;
1803 at->at_tag_val = AT_GET_TAG(cso->tag_id);
1804 at->at_handle = AT_GET_HANDLE(cso->tag_id);
1805 isp_put_atio(isp, at, qe);
1806 }
1807 ISP_TDQE(isp, "isp_target_putback_atio", isp->isp_reqidx, qe);
1808 ISP_SYNC_REQUEST(isp);
1809 isp_complete_ctio(ccb);
1810 }
1811
1812 static void
isp_complete_ctio(union ccb * ccb)1813 isp_complete_ctio(union ccb *ccb)
1814 {
1815 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG) {
1816 ccb->ccb_h.status |= CAM_REQ_CMP;
1817 }
1818 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1819 isp_free_pcmd(XS_ISP(ccb), ccb);
1820 xpt_done(ccb);
1821 }
1822
1823 /*
1824 * Handle ATIO stuff that the generic code can't.
1825 * This means handling CDBs.
1826 */
1827
1828 static void
isp_handle_platform_atio(ispsoftc_t * isp,at_entry_t * aep)1829 isp_handle_platform_atio(ispsoftc_t *isp, at_entry_t *aep)
1830 {
1831 tstate_t *tptr;
1832 int status, bus;
1833 struct ccb_accept_tio *atiop;
1834 atio_private_data_t *atp;
1835
1836 /*
1837 * The firmware status (except for the QLTM_SVALID bit)
1838 * indicates why this ATIO was sent to us.
1839 *
1840 * If QLTM_SVALID is set, the firmware has recommended Sense Data.
1841 *
1842 * If the DISCONNECTS DISABLED bit is set in the flags field,
1843 * we're still connected on the SCSI bus.
1844 */
1845 status = aep->at_status;
1846 if ((status & ~QLTM_SVALID) == AT_PHASE_ERROR) {
1847 /*
1848 * Bus Phase Sequence error. We should have sense data
1849 * suggested by the f/w. I'm not sure quite yet what
1850 * to do about this for CAM.
1851 */
1852 isp_prt(isp, ISP_LOGWARN, "PHASE ERROR");
1853 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1854 return;
1855 }
1856 if ((status & ~QLTM_SVALID) != AT_CDB) {
1857 isp_prt(isp, ISP_LOGWARN, "bad atio (0x%x) leaked to platform", status);
1858 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1859 return;
1860 }
1861
1862 bus = GET_BUS_VAL(aep->at_iid);
1863 tptr = get_lun_statep(isp, bus, aep->at_lun);
1864 if (tptr == NULL) {
1865 tptr = get_lun_statep(isp, bus, CAM_LUN_WILDCARD);
1866 if (tptr == NULL) {
1867 /*
1868 * Because we can't autofeed sense data back with
1869 * a command for parallel SCSI, we can't give back
1870 * a CHECK CONDITION. We'll give back a BUSY status
1871 * instead. This works out okay because the only
1872 * time we should, in fact, get this, is in the
1873 * case that somebody configured us without the
1874 * blackhole driver, so they get what they deserve.
1875 */
1876 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1877 return;
1878 }
1879 }
1880
1881 atp = isp_get_atpd(isp, tptr, 0);
1882 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
1883 if (atiop == NULL || atp == NULL) {
1884 /*
1885 * Because we can't autofeed sense data back with
1886 * a command for parallel SCSI, we can't give back
1887 * a CHECK CONDITION. We'll give back a QUEUE FULL status
1888 * instead. This works out okay because the only time we
1889 * should, in fact, get this, is in the case that we've
1890 * run out of ATIOS.
1891 */
1892 xpt_print(tptr->owner, "no %s for lun %d from initiator %d\n", (atp == NULL && atiop == NULL)? "ATIOs *or* ATPS" :
1893 ((atp == NULL)? "ATPs" : "ATIOs"), aep->at_lun, aep->at_iid);
1894 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1895 if (atp) {
1896 isp_put_atpd(isp, tptr, atp);
1897 }
1898 rls_lun_statep(isp, tptr);
1899 return;
1900 }
1901 atp->tag = aep->at_tag_val;
1902 if (atp->tag == 0) {
1903 atp->tag = ~0;
1904 }
1905 atp->state = ATPD_STATE_ATIO;
1906 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
1907 tptr->atio_count--;
1908 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, atiop->ccb_h.path, "Take FREE ATIO count now %d\n", tptr->atio_count);
1909 atiop->ccb_h.target_id = aep->at_tgt;
1910 atiop->ccb_h.target_lun = aep->at_lun;
1911 if (aep->at_flags & AT_NODISC) {
1912 atiop->ccb_h.flags = CAM_DIS_DISCONNECT;
1913 } else {
1914 atiop->ccb_h.flags = 0;
1915 }
1916
1917 if (status & QLTM_SVALID) {
1918 size_t amt = ISP_MIN(QLTM_SENSELEN, sizeof (atiop->sense_data));
1919 atiop->sense_len = amt;
1920 ISP_MEMCPY(&atiop->sense_data, aep->at_sense, amt);
1921 } else {
1922 atiop->sense_len = 0;
1923 }
1924
1925 atiop->init_id = GET_IID_VAL(aep->at_iid);
1926 atiop->cdb_len = aep->at_cdblen;
1927 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, aep->at_cdblen);
1928 atiop->ccb_h.status = CAM_CDB_RECVD;
1929 /*
1930 * Construct a tag 'id' based upon tag value (which may be 0..255)
1931 * and the handle (which we have to preserve).
1932 */
1933 atiop->tag_id = atp->tag;
1934 if (aep->at_flags & AT_TQAE) {
1935 atiop->tag_action = aep->at_tag_type;
1936 atiop->ccb_h.status |= CAM_TAG_ACTION_VALID;
1937 }
1938 atp->orig_datalen = 0;
1939 atp->bytes_xfered = 0;
1940 atp->last_xframt = 0;
1941 atp->lun = aep->at_lun;
1942 atp->nphdl = aep->at_iid;
1943 atp->portid = PORT_NONE;
1944 atp->oxid = 0;
1945 atp->cdb0 = atiop->cdb_io.cdb_bytes[0];
1946 atp->tattr = aep->at_tag_type;
1947 atp->state = ATPD_STATE_CAM;
1948 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, tptr->owner, "ATIO[%x] CDB=0x%x lun %d\n", aep->at_tag_val, atp->cdb0, atp->lun);
1949 rls_lun_statep(isp, tptr);
1950 }
1951
1952 static void
isp_handle_platform_atio2(ispsoftc_t * isp,at2_entry_t * aep)1953 isp_handle_platform_atio2(ispsoftc_t *isp, at2_entry_t *aep)
1954 {
1955 lun_id_t lun;
1956 fcportdb_t *lp;
1957 tstate_t *tptr;
1958 struct ccb_accept_tio *atiop;
1959 uint16_t nphdl;
1960 atio_private_data_t *atp;
1961 inot_private_data_t *ntp;
1962
1963 /*
1964 * The firmware status (except for the QLTM_SVALID bit)
1965 * indicates why this ATIO was sent to us.
1966 *
1967 * If QLTM_SVALID is set, the firmware has recommended Sense Data.
1968 */
1969 if ((aep->at_status & ~QLTM_SVALID) != AT_CDB) {
1970 isp_prt(isp, ISP_LOGWARN, "bogus atio (0x%x) leaked to platform", aep->at_status);
1971 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1972 return;
1973 }
1974
1975 if (ISP_CAP_SCCFW(isp)) {
1976 lun = aep->at_scclun;
1977 } else {
1978 lun = aep->at_lun;
1979 }
1980 if (ISP_CAP_2KLOGIN(isp)) {
1981 nphdl = ((at2e_entry_t *)aep)->at_iid;
1982 } else {
1983 nphdl = aep->at_iid;
1984 }
1985 tptr = get_lun_statep(isp, 0, lun);
1986 if (tptr == NULL) {
1987 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD);
1988 if (tptr == NULL) {
1989 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] no state pointer for lun %d", aep->at_rxid, lun);
1990 isp_endcmd(isp, aep, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0);
1991 return;
1992 }
1993 }
1994
1995 /*
1996 * Start any commands pending resources first.
1997 */
1998 if (tptr->restart_queue) {
1999 inot_private_data_t *restart_queue = tptr->restart_queue;
2000 tptr->restart_queue = NULL;
2001 while (restart_queue) {
2002 ntp = restart_queue;
2003 restart_queue = ntp->rd.nt.nt_hba;
2004 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at2_entry_t *)ntp->rd.data)->at_rxid);
2005 isp_handle_platform_atio2(isp, (at2_entry_t *) ntp->rd.data);
2006 isp_put_ntpd(isp, tptr, ntp);
2007 /*
2008 * If a recursion caused the restart queue to start to fill again,
2009 * stop and splice the new list on top of the old list and restore
2010 * it and go to noresrc.
2011 */
2012 if (tptr->restart_queue) {
2013 ntp = tptr->restart_queue;
2014 tptr->restart_queue = restart_queue;
2015 while (restart_queue->rd.nt.nt_hba) {
2016 restart_queue = restart_queue->rd.nt.nt_hba;
2017 }
2018 restart_queue->rd.nt.nt_hba = ntp;
2019 goto noresrc;
2020 }
2021 }
2022 }
2023
2024 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
2025 if (atiop == NULL) {
2026 goto noresrc;
2027 }
2028
2029 atp = isp_get_atpd(isp, tptr, 0);
2030 if (atp == NULL) {
2031 goto noresrc;
2032 }
2033
2034 atp->tag = aep->at_rxid;
2035 atp->state = ATPD_STATE_ATIO;
2036 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
2037 tptr->atio_count--;
2038 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, atiop->ccb_h.path, "Take FREE ATIO count now %d\n", tptr->atio_count);
2039 atiop->ccb_h.target_id = FCPARAM(isp, 0)->isp_loopid;
2040 atiop->ccb_h.target_lun = lun;
2041
2042 /*
2043 * We don't get 'suggested' sense data as we do with SCSI cards.
2044 */
2045 atiop->sense_len = 0;
2046 if (ISP_CAP_2KLOGIN(isp)) {
2047 /*
2048 * NB: We could not possibly have 2K logins if we
2049 * NB: also did not have SCC FW.
2050 */
2051 atiop->init_id = ((at2e_entry_t *)aep)->at_iid;
2052 } else {
2053 atiop->init_id = aep->at_iid;
2054 }
2055
2056 /*
2057 * If we're not in the port database, add ourselves.
2058 */
2059 if (!IS_2100(isp) && isp_find_pdb_by_loopid(isp, 0, atiop->init_id, &lp) == 0) {
2060 uint64_t iid =
2061 (((uint64_t) aep->at_wwpn[0]) << 48) |
2062 (((uint64_t) aep->at_wwpn[1]) << 32) |
2063 (((uint64_t) aep->at_wwpn[2]) << 16) |
2064 (((uint64_t) aep->at_wwpn[3]) << 0);
2065 /*
2066 * However, make sure we delete ourselves if otherwise
2067 * we were there but at a different loop id.
2068 */
2069 if (isp_find_pdb_by_wwn(isp, 0, iid, &lp)) {
2070 isp_del_wwn_entry(isp, 0, iid, lp->handle, lp->portid);
2071 }
2072 isp_add_wwn_entry(isp, 0, iid, atiop->init_id, PORT_ANY);
2073 }
2074 atiop->cdb_len = ATIO2_CDBLEN;
2075 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, ATIO2_CDBLEN);
2076 atiop->ccb_h.status = CAM_CDB_RECVD;
2077 atiop->tag_id = atp->tag;
2078 switch (aep->at_taskflags & ATIO2_TC_ATTR_MASK) {
2079 case ATIO2_TC_ATTR_SIMPLEQ:
2080 atiop->ccb_h.flags = CAM_TAG_ACTION_VALID;
2081 atiop->tag_action = MSG_SIMPLE_Q_TAG;
2082 break;
2083 case ATIO2_TC_ATTR_HEADOFQ:
2084 atiop->ccb_h.flags = CAM_TAG_ACTION_VALID;
2085 atiop->tag_action = MSG_HEAD_OF_Q_TAG;
2086 break;
2087 case ATIO2_TC_ATTR_ORDERED:
2088 atiop->ccb_h.flags = CAM_TAG_ACTION_VALID;
2089 atiop->tag_action = MSG_ORDERED_Q_TAG;
2090 break;
2091 case ATIO2_TC_ATTR_ACAQ: /* ?? */
2092 case ATIO2_TC_ATTR_UNTAGGED:
2093 default:
2094 atiop->tag_action = 0;
2095 break;
2096 }
2097
2098 atp->orig_datalen = aep->at_datalen;
2099 atp->bytes_xfered = 0;
2100 atp->last_xframt = 0;
2101 atp->lun = lun;
2102 atp->nphdl = atiop->init_id;
2103 atp->sid = PORT_ANY;
2104 atp->oxid = aep->at_oxid;
2105 atp->cdb0 = aep->at_cdb[0];
2106 atp->tattr = aep->at_taskflags & ATIO2_TC_ATTR_MASK;
2107 atp->state = ATPD_STATE_CAM;
2108 xpt_done((union ccb *)atiop);
2109 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, tptr->owner, "ATIO2[%x] CDB=0x%x lun %d datalen %u\n", aep->at_rxid, atp->cdb0, lun, atp->orig_datalen);
2110 rls_lun_statep(isp, tptr);
2111 return;
2112 noresrc:
2113 ntp = isp_get_ntpd(isp, tptr);
2114 if (ntp == NULL) {
2115 rls_lun_statep(isp, tptr);
2116 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_BUSY, 0);
2117 return;
2118 }
2119 memcpy(ntp->rd.data, aep, QENTRY_LEN);
2120 ntp->rd.nt.nt_hba = tptr->restart_queue;
2121 tptr->restart_queue = ntp;
2122 rls_lun_statep(isp, tptr);
2123 }
2124
2125 static void
isp_handle_platform_atio7(ispsoftc_t * isp,at7_entry_t * aep)2126 isp_handle_platform_atio7(ispsoftc_t *isp, at7_entry_t *aep)
2127 {
2128 int cdbxlen;
2129 uint16_t lun, chan, nphdl = NIL_HANDLE;
2130 uint32_t did, sid;
2131 uint64_t wwn = INI_NONE;
2132 fcportdb_t *lp;
2133 tstate_t *tptr;
2134 struct ccb_accept_tio *atiop;
2135 atio_private_data_t *atp = NULL;
2136 inot_private_data_t *ntp;
2137
2138 did = (aep->at_hdr.d_id[0] << 16) | (aep->at_hdr.d_id[1] << 8) | aep->at_hdr.d_id[2];
2139 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2];
2140 lun = (aep->at_cmnd.fcp_cmnd_lun[0] << 8) | aep->at_cmnd.fcp_cmnd_lun[1];
2141
2142 /*
2143 * Find the N-port handle, and Virtual Port Index for this command.
2144 *
2145 * If we can't, we're somewhat in trouble because we can't actually respond w/o that information.
2146 * We also, as a matter of course, need to know the WWN of the initiator too.
2147 */
2148 if (ISP_CAP_MULTI_ID(isp)) {
2149 /*
2150 * Find the right channel based upon D_ID
2151 */
2152 isp_find_chan_by_did(isp, did, &chan);
2153
2154 if (chan == ISP_NOCHAN) {
2155 NANOTIME_T now;
2156
2157 /*
2158 * If we don't recognizer our own D_DID, terminate the exchange, unless we're within 2 seconds of startup
2159 * It's a bit tricky here as we need to stash this command *somewhere*.
2160 */
2161 GET_NANOTIME(&now);
2162 if (NANOTIME_SUB(&isp->isp_init_time, &now) > 2000000000ULL) {
2163 isp_prt(isp, ISP_LOGWARN, "%s: [RX_ID 0x%x] D_ID %x not found on any channel- dropping", __func__, aep->at_rxid, did);
2164 isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, ECMD_TERMINATE, 0);
2165 return;
2166 }
2167 tptr = get_lun_statep(isp, 0, 0);
2168 if (tptr == NULL) {
2169 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD);
2170 if (tptr == NULL) {
2171 isp_prt(isp, ISP_LOGWARN, "%s: [RX_ID 0x%x] D_ID %x not found on any channel and no tptr- dropping", __func__, aep->at_rxid, did);
2172 isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, ECMD_TERMINATE, 0);
2173 return;
2174 }
2175 }
2176 isp_prt(isp, ISP_LOGWARN, "%s: [RX_ID 0x%x] D_ID %x not found on any channel- deferring", __func__, aep->at_rxid, did);
2177 goto noresrc;
2178 }
2179 isp_prt(isp, ISP_LOGTDEBUG0, "%s: [RX_ID 0x%x] D_ID 0x%06x found on Chan %d for S_ID 0x%06x", __func__, aep->at_rxid, did, chan, sid);
2180 } else {
2181 chan = 0;
2182 }
2183
2184 /*
2185 * Find the PDB entry for this initiator
2186 */
2187 if (isp_find_pdb_by_sid(isp, chan, sid, &lp) == 0) {
2188 /*
2189 * If we're not in the port database terminate the exchange.
2190 */
2191 isp_prt(isp, ISP_LOGTINFO, "%s: [RX_ID 0x%x] D_ID 0x%06x found on Chan %d for S_ID 0x%06x wasn't in PDB already",
2192 __func__, aep->at_rxid, did, chan, sid);
2193 isp_endcmd(isp, aep, NIL_HANDLE, chan, ECMD_TERMINATE, 0);
2194 return;
2195 }
2196 nphdl = lp->handle;
2197 wwn = lp->port_wwn;
2198
2199 /*
2200 * Get the tstate pointer
2201 */
2202 tptr = get_lun_statep(isp, chan, lun);
2203 if (tptr == NULL) {
2204 tptr = get_lun_statep(isp, chan, CAM_LUN_WILDCARD);
2205 if (tptr == NULL) {
2206 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] no state pointer for lun %d or wildcard", aep->at_rxid, lun);
2207 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0);
2208 return;
2209 }
2210 }
2211
2212 /*
2213 * Start any commands pending resources first.
2214 */
2215 if (tptr->restart_queue) {
2216 inot_private_data_t *restart_queue = tptr->restart_queue;
2217 tptr->restart_queue = NULL;
2218 while (restart_queue) {
2219 ntp = restart_queue;
2220 restart_queue = ntp->rd.nt.nt_hba;
2221 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at7_entry_t *)ntp->rd.data)->at_rxid);
2222 isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->rd.data);
2223 isp_put_ntpd(isp, tptr, ntp);
2224 /*
2225 * If a recursion caused the restart queue to start to fill again,
2226 * stop and splice the new list on top of the old list and restore
2227 * it and go to noresrc.
2228 */
2229 if (tptr->restart_queue) {
2230 if (restart_queue) {
2231 ntp = tptr->restart_queue;
2232 tptr->restart_queue = restart_queue;
2233 while (restart_queue->rd.nt.nt_hba) {
2234 restart_queue = restart_queue->rd.nt.nt_hba;
2235 }
2236 restart_queue->rd.nt.nt_hba = ntp;
2237 }
2238 goto noresrc;
2239 }
2240 }
2241 }
2242
2243 /*
2244 * If the f/w is out of resources, just send a BUSY status back.
2245 */
2246 if (aep->at_rxid == AT7_NORESRC_RXID) {
2247 rls_lun_statep(isp, tptr);
2248 isp_endcmd(isp, aep, nphdl, chan, SCSI_BUSY, 0);
2249 return;
2250 }
2251
2252 /*
2253 * If we're out of resources, just send a BUSY status back.
2254 */
2255 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
2256 if (atiop == NULL) {
2257 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atios", aep->at_rxid);
2258 goto noresrc;
2259 }
2260
2261 atp = isp_get_atpd(isp, tptr, 0);
2262 if (atp == NULL) {
2263 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atps", aep->at_rxid);
2264 goto noresrc;
2265 }
2266 if (isp_get_atpd(isp, tptr, aep->at_rxid)) {
2267 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] tag wraparound in isp_handle_platforms_atio7 (N-Port Handle 0x%04x S_ID 0x%04x OX_ID 0x%04x)\n",
2268 aep->at_rxid, nphdl, sid, aep->at_hdr.ox_id);
2269 /*
2270 * It's not a "no resource" condition- but we can treat it like one
2271 */
2272 goto noresrc;
2273 }
2274
2275 atp->tag = aep->at_rxid;
2276 atp->state = ATPD_STATE_ATIO;
2277 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
2278 tptr->atio_count--;
2279 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, atiop->ccb_h.path, "Take FREE ATIO count now %d\n", tptr->atio_count);
2280 atiop->init_id = nphdl;
2281 atiop->ccb_h.target_id = FCPARAM(isp, chan)->isp_loopid;
2282 atiop->ccb_h.target_lun = lun;
2283 atiop->sense_len = 0;
2284 cdbxlen = aep->at_cmnd.fcp_cmnd_alen_datadir >> FCP_CMND_ADDTL_CDBLEN_SHIFT;
2285 if (cdbxlen) {
2286 isp_prt(isp, ISP_LOGWARN, "additional CDBLEN ignored");
2287 }
2288 cdbxlen = sizeof (aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb);
2289 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb, cdbxlen);
2290 atiop->cdb_len = cdbxlen;
2291 atiop->ccb_h.status = CAM_CDB_RECVD;
2292 atiop->tag_id = atp->tag;
2293 switch (aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK) {
2294 case FCP_CMND_TASK_ATTR_SIMPLE:
2295 atiop->ccb_h.flags = CAM_TAG_ACTION_VALID;
2296 atiop->tag_action = MSG_SIMPLE_Q_TAG;
2297 break;
2298 case FCP_CMND_TASK_ATTR_HEAD:
2299 atiop->ccb_h.flags = CAM_TAG_ACTION_VALID;
2300 atiop->tag_action = MSG_HEAD_OF_Q_TAG;
2301 break;
2302 case FCP_CMND_TASK_ATTR_ORDERED:
2303 atiop->ccb_h.flags = CAM_TAG_ACTION_VALID;
2304 atiop->tag_action = MSG_ORDERED_Q_TAG;
2305 break;
2306 default:
2307 /* FALLTHROUGH */
2308 case FCP_CMND_TASK_ATTR_ACA:
2309 case FCP_CMND_TASK_ATTR_UNTAGGED:
2310 atiop->tag_action = 0;
2311 break;
2312 }
2313 atp->orig_datalen = aep->at_cmnd.cdb_dl.sf.fcp_cmnd_dl;
2314 atp->bytes_xfered = 0;
2315 atp->last_xframt = 0;
2316 atp->lun = lun;
2317 atp->nphdl = nphdl;
2318 atp->portid = sid;
2319 atp->oxid = aep->at_hdr.ox_id;
2320 atp->cdb0 = atiop->cdb_io.cdb_bytes[0];
2321 atp->tattr = aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK;
2322 atp->state = ATPD_STATE_CAM;
2323 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, tptr->owner, "ATIO7[%x] CDB=0x%x lun %d datalen %u\n", aep->at_rxid, atp->cdb0, lun, atp->orig_datalen);
2324 xpt_done((union ccb *)atiop);
2325 rls_lun_statep(isp, tptr);
2326 return;
2327 noresrc:
2328 if (atp) {
2329 isp_put_atpd(isp, tptr, atp);
2330 }
2331 ntp = isp_get_ntpd(isp, tptr);
2332 if (ntp == NULL) {
2333 rls_lun_statep(isp, tptr);
2334 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0);
2335 return;
2336 }
2337 memcpy(ntp->rd.data, aep, QENTRY_LEN);
2338 ntp->rd.nt.nt_hba = tptr->restart_queue;
2339 tptr->restart_queue = ntp;
2340 rls_lun_statep(isp, tptr);
2341 }
2342
2343 static void
isp_handle_platform_ctio(ispsoftc_t * isp,void * arg)2344 isp_handle_platform_ctio(ispsoftc_t *isp, void *arg)
2345 {
2346 union ccb *ccb;
2347 int sentstatus, ok, notify_cam, resid = 0;
2348 tstate_t *tptr = NULL;
2349 atio_private_data_t *atp = NULL;
2350 int bus;
2351 uint32_t tval, handle;
2352
2353 /*
2354 * CTIO handles are 16 bits.
2355 * CTIO2 and CTIO7 are 32 bits.
2356 */
2357
2358 if (IS_SCSI(isp)) {
2359 handle = ((ct_entry_t *)arg)->ct_syshandle;
2360 } else {
2361 handle = ((ct2_entry_t *)arg)->ct_syshandle;
2362 }
2363 ccb = isp_find_xs_tgt(isp, handle);
2364 if (ccb == NULL) {
2365 isp_print_bytes(isp, "null ccb in isp_handle_platform_ctio", QENTRY_LEN, arg);
2366 return;
2367 }
2368 isp_destroy_tgt_handle(isp, handle);
2369 bus = XS_CHANNEL(ccb);
2370 tptr = get_lun_statep(isp, bus, XS_LUN(ccb));
2371 if (tptr == NULL) {
2372 tptr = get_lun_statep(isp, bus, CAM_LUN_WILDCARD);
2373 }
2374 KASSERT((tptr != NULL), ("cannot get state pointer"));
2375 if (isp->isp_nactive) {
2376 isp->isp_nactive++;
2377 }
2378 if (IS_24XX(isp)) {
2379 ct7_entry_t *ct = arg;
2380
2381 atp = isp_get_atpd(isp, tptr, ct->ct_rxid);
2382 if (atp == NULL) {
2383 rls_lun_statep(isp, tptr);
2384 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x after I/O", __func__, ct->ct_rxid);
2385 return;
2386 }
2387
2388 sentstatus = ct->ct_flags & CT7_SENDSTATUS;
2389 ok = (ct->ct_nphdl == CT7_OK);
2390 if (ok && sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE)) {
2391 ccb->ccb_h.status |= CAM_SENT_SENSE;
2392 }
2393 notify_cam = ct->ct_header.rqs_seqno & 0x1;
2394 if ((ct->ct_flags & CT7_DATAMASK) != CT7_NO_DATA) {
2395 resid = ct->ct_resid;
2396 atp->bytes_xfered += (atp->last_xframt - resid);
2397 atp->last_xframt = 0;
2398 }
2399 if (ct->ct_nphdl == CT_HBA_RESET) {
2400 ok = 0;
2401 notify_cam = 1;
2402 sentstatus = 1;
2403 ccb->ccb_h.status |= CAM_UNREC_HBA_ERROR;
2404 } else if (!ok) {
2405 ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
2406 }
2407 tval = atp->tag;
2408 isp_prt(isp, ok? ISP_LOGTDEBUG0 : ISP_LOGWARN, "%s: CTIO7[%x] sts 0x%x flg 0x%x sns %d resid %d %s", __func__,
2409 ct->ct_rxid, ct->ct_nphdl, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID");
2410 atp->state = ATPD_STATE_PDON; /* XXX: should really come after isp_complete_ctio */
2411 } else if (IS_FC(isp)) {
2412 ct2_entry_t *ct = arg;
2413
2414 atp = isp_get_atpd(isp, tptr, ct->ct_rxid);
2415 if (atp == NULL) {
2416 rls_lun_statep(isp, tptr);
2417 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x after I/O", __func__, ct->ct_rxid);
2418 return;
2419 }
2420 sentstatus = ct->ct_flags & CT2_SENDSTATUS;
2421 ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK;
2422 if (ok && sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE)) {
2423 ccb->ccb_h.status |= CAM_SENT_SENSE;
2424 }
2425 notify_cam = ct->ct_header.rqs_seqno & 0x1;
2426 if ((ct->ct_flags & CT2_DATAMASK) != CT2_NO_DATA) {
2427 resid = ct->ct_resid;
2428 atp->bytes_xfered += (atp->last_xframt - resid);
2429 atp->last_xframt = 0;
2430 }
2431 if (ct->ct_status == CT_HBA_RESET) {
2432 ok = 0;
2433 notify_cam = 1;
2434 sentstatus = 1;
2435 ccb->ccb_h.status |= CAM_UNREC_HBA_ERROR;
2436 } else if (!ok) {
2437 ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
2438 }
2439 isp_prt(isp, ok? ISP_LOGTDEBUG0 : ISP_LOGWARN, "%s: CTIO2[%x] sts 0x%x flg 0x%x sns %d resid %d %s", __func__,
2440 ct->ct_rxid, ct->ct_status, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID");
2441 tval = atp->tag;
2442 atp->state = ATPD_STATE_PDON; /* XXX: should really come after isp_complete_ctio */
2443 } else {
2444 ct_entry_t *ct = arg;
2445 sentstatus = ct->ct_flags & CT_SENDSTATUS;
2446 ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK;
2447 /*
2448 * We *ought* to be able to get back to the original ATIO
2449 * here, but for some reason this gets lost. It's just as
2450 * well because it's squirrelled away as part of periph
2451 * private data.
2452 *
2453 * We can live without it as long as we continue to use
2454 * the auto-replenish feature for CTIOs.
2455 */
2456 notify_cam = ct->ct_header.rqs_seqno & 0x1;
2457 if (ct->ct_status == (CT_HBA_RESET & 0xff)) {
2458 ok = 0;
2459 notify_cam = 1;
2460 sentstatus = 1;
2461 ccb->ccb_h.status |= CAM_UNREC_HBA_ERROR;
2462 } else if (!ok) {
2463 ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
2464 } else if (ct->ct_status & QLTM_SVALID) {
2465 char *sp = (char *)ct;
2466 sp += CTIO_SENSE_OFFSET;
2467 ccb->csio.sense_len = min(sizeof (ccb->csio.sense_data), QLTM_SENSELEN);
2468 ISP_MEMCPY(&ccb->csio.sense_data, sp, ccb->csio.sense_len);
2469 ccb->ccb_h.status |= CAM_AUTOSNS_VALID;
2470 }
2471 if ((ct->ct_flags & CT_DATAMASK) != CT_NO_DATA) {
2472 resid = ct->ct_resid;
2473 }
2474 isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO[%x] tag %x S_ID 0x%x lun %d sts %x flg %x resid %d %s", __func__,
2475 ct->ct_fwhandle, ct->ct_tag_val, ct->ct_iid, ct->ct_lun, ct->ct_status, ct->ct_flags, resid, sentstatus? "FIN" : "MID");
2476 tval = ct->ct_fwhandle;
2477 }
2478 ccb->csio.resid += resid;
2479
2480 /*
2481 * We're here either because intermediate data transfers are done
2482 * and/or the final status CTIO (which may have joined with a
2483 * Data Transfer) is done.
2484 *
2485 * In any case, for this platform, the upper layers figure out
2486 * what to do next, so all we do here is collect status and
2487 * pass information along. Any DMA handles have already been
2488 * freed.
2489 */
2490 if (notify_cam == 0) {
2491 isp_prt(isp, ISP_LOGTDEBUG0, " INTER CTIO[0x%x] done", tval);
2492 return;
2493 }
2494 if (tptr) {
2495 rls_lun_statep(isp, tptr);
2496 }
2497 isp_prt(isp, ISP_LOGTDEBUG0, "%s CTIO[0x%x] done", (sentstatus)? " FINAL " : "MIDTERM ", tval);
2498
2499 if (!ok && !IS_24XX(isp)) {
2500 isp_target_putback_atio(ccb);
2501 } else {
2502 isp_complete_ctio(ccb);
2503 }
2504 }
2505
2506 static void
isp_handle_platform_notify_scsi(ispsoftc_t * isp,in_entry_t * inot)2507 isp_handle_platform_notify_scsi(ispsoftc_t *isp, in_entry_t *inot)
2508 {
2509 (void) isp_notify_ack(isp, inot);
2510 }
2511
2512 static void
isp_handle_platform_notify_fc(ispsoftc_t * isp,in_fcentry_t * inp)2513 isp_handle_platform_notify_fc(ispsoftc_t *isp, in_fcentry_t *inp)
2514 {
2515 int needack = 1;
2516 switch (inp->in_status) {
2517 case IN_PORT_LOGOUT:
2518 /*
2519 * XXX: Need to delete this initiator's WWN from the database
2520 * XXX: Need to send this LOGOUT upstream
2521 */
2522 isp_prt(isp, ISP_LOGWARN, "port logout of S_ID 0x%x", inp->in_iid);
2523 break;
2524 case IN_PORT_CHANGED:
2525 isp_prt(isp, ISP_LOGWARN, "port changed for S_ID 0x%x", inp->in_iid);
2526 break;
2527 case IN_GLOBAL_LOGO:
2528 isp_del_all_wwn_entries(isp, 0);
2529 isp_prt(isp, ISP_LOGINFO, "all ports logged out");
2530 break;
2531 case IN_ABORT_TASK:
2532 {
2533 tstate_t *tptr;
2534 uint16_t lun;
2535 uint32_t loopid;
2536 uint64_t wwn;
2537 atio_private_data_t *atp;
2538 fcportdb_t *lp;
2539 struct ccb_immediate_notify *inot = NULL;
2540
2541 if (ISP_CAP_SCCFW(isp)) {
2542 lun = inp->in_scclun;
2543 } else {
2544 lun = inp->in_lun;
2545 }
2546 if (ISP_CAP_2KLOGIN(isp)) {
2547 loopid = ((in_fcentry_e_t *)inp)->in_iid;
2548 } else {
2549 loopid = inp->in_iid;
2550 }
2551 if (isp_find_pdb_by_loopid(isp, 0, loopid, &lp)) {
2552 wwn = lp->port_wwn;
2553 } else {
2554 wwn = INI_ANY;
2555 }
2556 tptr = get_lun_statep(isp, 0, lun);
2557 if (tptr == NULL) {
2558 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD);
2559 if (tptr == NULL) {
2560 isp_prt(isp, ISP_LOGWARN, "ABORT TASK for lun %u- but no tstate", lun);
2561 return;
2562 }
2563 }
2564 atp = isp_get_atpd(isp, tptr, inp->in_seqid);
2565
2566 if (atp) {
2567 inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots);
2568 isp_prt(isp, ISP_LOGTDEBUG0, "ABORT TASK RX_ID %x WWN 0x%016llx state %d", inp->in_seqid, (unsigned long long) wwn, atp->state);
2569 if (inot) {
2570 tptr->inot_count--;
2571 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle);
2572 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, inot->ccb_h.path, "%s: Take FREE INOT count now %d\n", __func__, tptr->inot_count);
2573 } else {
2574 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, tptr->owner, "out of INOT structures\n");
2575 }
2576 } else {
2577 ISP_PATH_PRT(isp, ISP_LOGWARN, tptr->owner, "abort task RX_ID %x from wwn 0x%016llx, state unknown\n", inp->in_seqid, wwn);
2578 }
2579 if (inot) {
2580 isp_notify_t tmp, *nt = &tmp;
2581 ISP_MEMZERO(nt, sizeof (isp_notify_t));
2582 nt->nt_hba = isp;
2583 nt->nt_tgt = FCPARAM(isp, 0)->isp_wwpn;
2584 nt->nt_wwn = wwn;
2585 nt->nt_nphdl = loopid;
2586 nt->nt_sid = PORT_ANY;
2587 nt->nt_did = PORT_ANY;
2588 nt->nt_lun = lun;
2589 nt->nt_need_ack = 1;
2590 nt->nt_channel = 0;
2591 nt->nt_ncode = NT_ABORT_TASK;
2592 nt->nt_lreserved = inot;
2593 isp_handle_platform_target_tmf(isp, nt);
2594 needack = 0;
2595 }
2596 rls_lun_statep(isp, tptr);
2597 break;
2598 }
2599 default:
2600 break;
2601 }
2602 if (needack) {
2603 (void) isp_notify_ack(isp, inp);
2604 }
2605 }
2606
2607 static void
isp_handle_platform_notify_24xx(ispsoftc_t * isp,in_fcentry_24xx_t * inot)2608 isp_handle_platform_notify_24xx(ispsoftc_t *isp, in_fcentry_24xx_t *inot)
2609 {
2610 uint16_t nphdl;
2611 uint32_t portid;
2612 fcportdb_t *lp;
2613 uint8_t *ptr = NULL;
2614 uint64_t wwn;
2615
2616 nphdl = inot->in_nphdl;
2617 if (nphdl != NIL_HANDLE) {
2618 portid = inot->in_portid_hi << 16 | inot->in_portid_lo;
2619 } else {
2620 portid = PORT_ANY;
2621 }
2622
2623 switch (inot->in_status) {
2624 case IN24XX_ELS_RCVD:
2625 {
2626 char buf[16], *msg;
2627 int chan = ISP_GET_VPIDX(isp, inot->in_vpidx);
2628
2629 /*
2630 * Note that we're just getting notification that an ELS was received
2631 * (possibly with some associated information sent upstream). This is
2632 * *not* the same as being given the ELS frame to accept or reject.
2633 */
2634 switch (inot->in_status_subcode) {
2635 case LOGO:
2636 msg = "LOGO";
2637 if (ISP_FW_NEWER_THAN(isp, 4, 0, 25)) {
2638 ptr = (uint8_t *)inot; /* point to unswizzled entry! */
2639 wwn = (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF]) << 56) |
2640 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+1]) << 48) |
2641 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+2]) << 40) |
2642 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+3]) << 32) |
2643 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+4]) << 24) |
2644 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+5]) << 16) |
2645 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+6]) << 8) |
2646 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+7]));
2647 } else {
2648 wwn = INI_ANY;
2649 }
2650 isp_del_wwn_entry(isp, chan, wwn, nphdl, portid);
2651 break;
2652 case PRLO:
2653 msg = "PRLO";
2654 break;
2655 case PLOGI:
2656 case PRLI:
2657 /*
2658 * Treat PRLI the same as PLOGI and make a database entry for it.
2659 */
2660 if (inot->in_status_subcode == PLOGI)
2661 msg = "PLOGI";
2662 else
2663 msg = "PRLI";
2664 if (ISP_FW_NEWER_THAN(isp, 4, 0, 25)) {
2665 ptr = (uint8_t *)inot; /* point to unswizzled entry! */
2666 wwn = (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF]) << 56) |
2667 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+1]) << 48) |
2668 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+2]) << 40) |
2669 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+3]) << 32) |
2670 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+4]) << 24) |
2671 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+5]) << 16) |
2672 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+6]) << 8) |
2673 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+7]));
2674 } else {
2675 wwn = INI_NONE;
2676 }
2677 isp_add_wwn_entry(isp, chan, wwn, nphdl, portid);
2678 break;
2679 case PDISC:
2680 msg = "PDISC";
2681 break;
2682 case ADISC:
2683 msg = "ADISC";
2684 break;
2685 default:
2686 ISP_SNPRINTF(buf, sizeof (buf), "ELS 0x%x", inot->in_status_subcode);
2687 msg = buf;
2688 break;
2689 }
2690 if (inot->in_flags & IN24XX_FLAG_PUREX_IOCB) {
2691 isp_prt(isp, ISP_LOGERR, "%s Chan %d ELS N-port handle %x PortID 0x%06x marked as needing a PUREX response", msg, chan, nphdl, portid);
2692 break;
2693 }
2694 isp_prt(isp, ISP_LOGTDEBUG0, "%s Chan %d ELS N-port handle %x PortID 0x%06x RX_ID 0x%x OX_ID 0x%x", msg, chan, nphdl, portid,
2695 inot->in_rxid, inot->in_oxid);
2696 (void) isp_notify_ack(isp, inot);
2697 break;
2698 }
2699
2700 case IN24XX_PORT_LOGOUT:
2701 ptr = "PORT LOGOUT";
2702 if (isp_find_pdb_by_loopid(isp, ISP_GET_VPIDX(isp, inot->in_vpidx), nphdl, &lp)) {
2703 isp_del_wwn_entry(isp, ISP_GET_VPIDX(isp, inot->in_vpidx), lp->port_wwn, nphdl, lp->portid);
2704 }
2705 /* FALLTHROUGH */
2706 case IN24XX_PORT_CHANGED:
2707 if (ptr == NULL) {
2708 ptr = "PORT CHANGED";
2709 }
2710 /* FALLTHROUGH */
2711 case IN24XX_LIP_RESET:
2712 if (ptr == NULL) {
2713 ptr = "LIP RESET";
2714 }
2715 isp_prt(isp, ISP_LOGINFO, "Chan %d %s (sub-status 0x%x) for N-port handle 0x%x", ISP_GET_VPIDX(isp, inot->in_vpidx), ptr, inot->in_status_subcode, nphdl);
2716
2717 /*
2718 * All subcodes here are irrelevant. What is relevant
2719 * is that we need to terminate all active commands from
2720 * this initiator (known by N-port handle).
2721 */
2722 /* XXX IMPLEMENT XXX */
2723 (void) isp_notify_ack(isp, inot);
2724 break;
2725
2726 case IN24XX_LINK_RESET:
2727 case IN24XX_LINK_FAILED:
2728 case IN24XX_SRR_RCVD:
2729 default:
2730 (void) isp_notify_ack(isp, inot);
2731 break;
2732 }
2733 }
2734
2735 static int
isp_handle_platform_target_notify_ack(ispsoftc_t * isp,isp_notify_t * mp)2736 isp_handle_platform_target_notify_ack(ispsoftc_t *isp, isp_notify_t *mp)
2737 {
2738
2739 if (isp->isp_state != ISP_RUNSTATE) {
2740 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) acked- h/w not ready (dropping)", mp->nt_ncode, mp->nt_lreserved != NULL);
2741 return (0);
2742 }
2743
2744 /*
2745 * This case is for a Task Management Function, which shows up as an ATIO7 entry.
2746 */
2747 if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ATIO) {
2748 ct7_entry_t local, *cto = &local;
2749 at7_entry_t *aep = (at7_entry_t *)mp->nt_lreserved;
2750 fcportdb_t *lp;
2751 uint32_t sid;
2752 uint16_t nphdl;
2753
2754 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2];
2755 if (isp_find_pdb_by_sid(isp, mp->nt_channel, sid, &lp)) {
2756 nphdl = lp->handle;
2757 } else {
2758 nphdl = NIL_HANDLE;
2759 }
2760 ISP_MEMZERO(&local, sizeof (local));
2761 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
2762 cto->ct_header.rqs_entry_count = 1;
2763 cto->ct_nphdl = nphdl;
2764 cto->ct_rxid = aep->at_rxid;
2765 cto->ct_vpidx = mp->nt_channel;
2766 cto->ct_iid_lo = sid;
2767 cto->ct_iid_hi = sid >> 16;
2768 cto->ct_oxid = aep->at_hdr.ox_id;
2769 cto->ct_flags = CT7_SENDSTATUS|CT7_NOACK|CT7_NO_DATA|CT7_FLAG_MODE1;
2770 cto->ct_flags |= (aep->at_ta_len >> 12) << CT7_TASK_ATTR_SHIFT;
2771 return (isp_target_put_entry(isp, &local));
2772 }
2773
2774 /*
2775 * This case is for a responding to an ABTS frame
2776 */
2777 if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) {
2778
2779 /*
2780 * Overload nt_need_ack here to mark whether we've terminated the associated command.
2781 */
2782 if (mp->nt_need_ack) {
2783 uint8_t storage[QENTRY_LEN];
2784 ct7_entry_t *cto = (ct7_entry_t *) storage;
2785 abts_t *abts = (abts_t *)mp->nt_lreserved;
2786
2787 ISP_MEMZERO(cto, sizeof (ct7_entry_t));
2788 isp_prt(isp, ISP_LOGTDEBUG0, "%s: [%x] terminating after ABTS received", __func__, abts->abts_rxid_task);
2789 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
2790 cto->ct_header.rqs_entry_count = 1;
2791 cto->ct_nphdl = mp->nt_nphdl;
2792 cto->ct_rxid = abts->abts_rxid_task;
2793 cto->ct_iid_lo = mp->nt_sid;
2794 cto->ct_iid_hi = mp->nt_sid >> 16;
2795 cto->ct_oxid = abts->abts_ox_id;
2796 cto->ct_vpidx = mp->nt_channel;
2797 cto->ct_flags = CT7_NOACK|CT7_TERMINATE;
2798 if (isp_target_put_entry(isp, cto)) {
2799 return (ENOMEM);
2800 }
2801 mp->nt_need_ack = 0;
2802 }
2803 if (isp_acknak_abts(isp, mp->nt_lreserved, 0) == ENOMEM) {
2804 return (ENOMEM);
2805 } else {
2806 return (0);
2807 }
2808 }
2809
2810 /*
2811 * Handle logout cases here
2812 */
2813 if (mp->nt_ncode == NT_GLOBAL_LOGOUT) {
2814 isp_del_all_wwn_entries(isp, mp->nt_channel);
2815 }
2816
2817 if (mp->nt_ncode == NT_LOGOUT) {
2818 if (!IS_2100(isp) && IS_FC(isp)) {
2819 isp_del_wwn_entries(isp, mp);
2820 }
2821 }
2822
2823 /*
2824 * General purpose acknowledgement
2825 */
2826 if (mp->nt_need_ack) {
2827 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) being acked", mp->nt_ncode, mp->nt_lreserved != NULL);
2828 return (isp_notify_ack(isp, mp->nt_lreserved));
2829 }
2830 return (0);
2831 }
2832
2833 /*
2834 * Handle task management functions.
2835 *
2836 * We show up here with a notify structure filled out.
2837 *
2838 * The nt_lreserved tag points to the original queue entry
2839 */
2840 static void
isp_handle_platform_target_tmf(ispsoftc_t * isp,isp_notify_t * notify)2841 isp_handle_platform_target_tmf(ispsoftc_t *isp, isp_notify_t *notify)
2842 {
2843 tstate_t *tptr;
2844 fcportdb_t *lp;
2845 struct ccb_immediate_notify *inot;
2846 inot_private_data_t *ntp = NULL;
2847 lun_id_t lun;
2848
2849 isp_prt(isp, ISP_LOGTDEBUG0, "%s: code 0x%x sid 0x%x tagval 0x%016llx chan %d lun 0x%x", __func__, notify->nt_ncode,
2850 notify->nt_sid, (unsigned long long) notify->nt_tagval, notify->nt_channel, notify->nt_lun);
2851 /*
2852 * NB: This assignment is necessary because of tricky type conversion.
2853 * XXX: This is tricky and I need to check this. If the lun isn't known
2854 * XXX: for the task management function, it does not of necessity follow
2855 * XXX: that it should go up stream to the wildcard listener.
2856 */
2857 if (notify->nt_lun == LUN_ANY) {
2858 lun = CAM_LUN_WILDCARD;
2859 } else {
2860 lun = notify->nt_lun;
2861 }
2862 tptr = get_lun_statep(isp, notify->nt_channel, lun);
2863 if (tptr == NULL) {
2864 tptr = get_lun_statep(isp, notify->nt_channel, CAM_LUN_WILDCARD);
2865 if (tptr == NULL) {
2866 isp_prt(isp, ISP_LOGWARN, "%s: no state pointer found for chan %d lun 0x%x", __func__, notify->nt_channel, lun);
2867 goto bad;
2868 }
2869 }
2870 inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots);
2871 if (inot == NULL) {
2872 isp_prt(isp, ISP_LOGWARN, "%s: out of immediate notify structures for chan %d lun 0x%x", __func__, notify->nt_channel, lun);
2873 goto bad;
2874 }
2875
2876 if (isp_find_pdb_by_sid(isp, notify->nt_channel, notify->nt_sid, &lp) == 0) {
2877 inot->initiator_id = CAM_TARGET_WILDCARD;
2878 } else {
2879 inot->initiator_id = lp->handle;
2880 }
2881 inot->seq_id = notify->nt_tagval;
2882 inot->tag_id = notify->nt_tagval >> 32;
2883
2884 switch (notify->nt_ncode) {
2885 case NT_ABORT_TASK:
2886 isp_target_mark_aborted_early(isp, tptr, inot->tag_id);
2887 inot->arg = MSG_ABORT_TASK;
2888 break;
2889 case NT_ABORT_TASK_SET:
2890 isp_target_mark_aborted_early(isp, tptr, TAG_ANY);
2891 inot->arg = MSG_ABORT_TASK_SET;
2892 break;
2893 case NT_CLEAR_ACA:
2894 inot->arg = MSG_CLEAR_ACA;
2895 break;
2896 case NT_CLEAR_TASK_SET:
2897 inot->arg = MSG_CLEAR_TASK_SET;
2898 break;
2899 case NT_LUN_RESET:
2900 inot->arg = MSG_LOGICAL_UNIT_RESET;
2901 break;
2902 case NT_TARGET_RESET:
2903 inot->arg = MSG_TARGET_RESET;
2904 break;
2905 default:
2906 isp_prt(isp, ISP_LOGWARN, "%s: unknown TMF code 0x%x for chan %d lun 0x%x", __func__, notify->nt_ncode, notify->nt_channel, lun);
2907 goto bad;
2908 }
2909
2910 ntp = isp_get_ntpd(isp, tptr);
2911 if (ntp == NULL) {
2912 isp_prt(isp, ISP_LOGWARN, "%s: out of inotify private structures", __func__);
2913 goto bad;
2914 }
2915 ISP_MEMCPY(&ntp->rd.nt, notify, sizeof (isp_notify_t));
2916 if (notify->nt_lreserved) {
2917 ISP_MEMCPY(&ntp->rd.data, notify->nt_lreserved, QENTRY_LEN);
2918 ntp->rd.nt.nt_lreserved = &ntp->rd.data;
2919 }
2920 ntp->rd.seq_id = notify->nt_tagval;
2921 ntp->rd.tag_id = notify->nt_tagval >> 32;
2922
2923 tptr->inot_count--;
2924 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle);
2925 rls_lun_statep(isp, tptr);
2926 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, inot->ccb_h.path, "%s: Take FREE INOT count now %d\n", __func__, tptr->inot_count);
2927 inot->ccb_h.status = CAM_MESSAGE_RECV;
2928 xpt_done((union ccb *)inot);
2929 return;
2930 bad:
2931 if (tptr) {
2932 rls_lun_statep(isp, tptr);
2933 }
2934 if (notify->nt_need_ack && notify->nt_lreserved) {
2935 if (((isphdr_t *)notify->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) {
2936 (void) isp_acknak_abts(isp, notify->nt_lreserved, ENOMEM);
2937 } else {
2938 (void) isp_notify_ack(isp, notify->nt_lreserved);
2939 }
2940 }
2941 }
2942
2943 /*
2944 * Find the associated private data and mark it as dead so
2945 * we don't try to work on it any further.
2946 */
2947 static void
isp_target_mark_aborted(ispsoftc_t * isp,union ccb * ccb)2948 isp_target_mark_aborted(ispsoftc_t *isp, union ccb *ccb)
2949 {
2950 tstate_t *tptr;
2951 atio_private_data_t *atp;
2952
2953 tptr = get_lun_statep(isp, XS_CHANNEL(ccb), XS_LUN(ccb));
2954 if (tptr == NULL) {
2955 tptr = get_lun_statep(isp, XS_CHANNEL(ccb), CAM_LUN_WILDCARD);
2956 if (tptr == NULL) {
2957 ccb->ccb_h.status = CAM_REQ_INVALID;
2958 return;
2959 }
2960 }
2961
2962 atp = isp_get_atpd(isp, tptr, ccb->atio.tag_id);
2963 if (atp == NULL) {
2964 ccb->ccb_h.status = CAM_REQ_INVALID;
2965 return;
2966 }
2967 atp->dead = 1;
2968 ccb->ccb_h.status = CAM_REQ_CMP;
2969 }
2970
2971 static void
isp_target_mark_aborted_early(ispsoftc_t * isp,tstate_t * tptr,uint32_t tag_id)2972 isp_target_mark_aborted_early(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag_id)
2973 {
2974 atio_private_data_t *atp;
2975 inot_private_data_t *restart_queue = tptr->restart_queue;
2976
2977 /*
2978 * First, clean any commands pending restart
2979 */
2980 tptr->restart_queue = NULL;
2981 while (restart_queue) {
2982 uint32_t this_tag_id;
2983 inot_private_data_t *ntp = restart_queue;
2984
2985 restart_queue = ntp->rd.nt.nt_hba;
2986
2987 if (IS_24XX(isp)) {
2988 this_tag_id = ((at7_entry_t *)ntp->rd.data)->at_rxid;
2989 } else {
2990 this_tag_id = ((at2_entry_t *)ntp->rd.data)->at_rxid;
2991 }
2992 if ((uint64_t)tag_id == TAG_ANY || tag_id == this_tag_id) {
2993 isp_put_ntpd(isp, tptr, ntp);
2994 } else {
2995 ntp->rd.nt.nt_hba = tptr->restart_queue;
2996 tptr->restart_queue = ntp;
2997 }
2998 }
2999
3000 /*
3001 * Now mark other ones dead as well.
3002 */
3003 for (atp = tptr->atpool; atp < &tptr->atpool[ATPDPSIZE]; atp++) {
3004 if ((uint64_t)tag_id == TAG_ANY || atp->tag == tag_id) {
3005 atp->dead = 1;
3006 }
3007 }
3008 }
3009
3010
3011 #ifdef ISP_INTERNAL_TARGET
3012 // #define ISP_FORCE_TIMEOUT 1
3013 // #define ISP_TEST_WWNS 1
3014 // #define ISP_TEST_SEPARATE_STATUS 1
3015
3016 #define ccb_data_offset ppriv_field0
3017 #define ccb_atio ppriv_ptr1
3018 #define ccb_inot ppriv_ptr1
3019
3020 #define MAX_ISP_TARG_TRANSFER (2 << 20)
3021 #define NISP_TARG_CMDS 1024
3022 #define NISP_TARG_NOTIFIES 1024
3023 #define DISK_SHIFT 9
3024 #define JUNK_SIZE 256
3025
3026 #ifndef VERIFY_10
3027 #define VERIFY_10 0x2f
3028 #endif
3029
3030 TAILQ_HEAD(ccb_queue, ccb_hdr);
3031 extern u_int vm_kmem_size;
3032 static int ca;
3033 static uint32_t disk_size;
3034 static uint8_t *disk_data = NULL;
3035 static uint8_t *junk_data;
3036 static MALLOC_DEFINE(M_ISPTARG, "ISPTARG", "ISP TARGET data");
3037 struct isptarg_softc {
3038 /* CCBs (CTIOs, ATIOs, INOTs) pending on the controller */
3039 struct ccb_queue work_queue;
3040 struct ccb_queue rework_queue;
3041 struct ccb_queue running_queue;
3042 struct ccb_queue inot_queue;
3043 struct cam_periph *periph;
3044 struct cam_path *path;
3045 ispsoftc_t *isp;
3046 };
3047 static periph_ctor_t isptargctor;
3048 static periph_dtor_t isptargdtor;
3049 static periph_start_t isptargstart;
3050 static periph_init_t isptarginit;
3051 static void isptarg_done(struct cam_periph *, union ccb *);
3052 static void isptargasync(void *, u_int32_t, struct cam_path *, void *);
3053
3054
3055 static int isptarg_rwparm(uint8_t *, uint8_t *, uint64_t, uint32_t, uint8_t **, uint32_t *, int *);
3056
3057 static struct periph_driver isptargdriver =
3058 {
3059 isptarginit, "isptarg", TAILQ_HEAD_INITIALIZER(isptargdriver.units), /* generation */ 0
3060 };
3061
3062 static void
isptarginit(void)3063 isptarginit(void)
3064 {
3065 }
3066
3067 static void
isptargnotify(ispsoftc_t * isp,union ccb * iccb,struct ccb_immediate_notify * inot)3068 isptargnotify(ispsoftc_t *isp, union ccb *iccb, struct ccb_immediate_notify *inot)
3069 {
3070 struct ccb_notify_acknowledge *ack = &iccb->cna2;
3071
3072 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, inot->ccb_h.path, "%s: [0x%x] immediate notify for 0x%x from 0x%x status 0x%x arg 0x%x\n", __func__,
3073 inot->tag_id, inot->initiator_id, inot->seq_id, inot->ccb_h.status, inot->arg);
3074 ack->ccb_h.func_code = XPT_NOTIFY_ACKNOWLEDGE;
3075 ack->ccb_h.flags = 0;
3076 ack->ccb_h.retry_count = 0;
3077 ack->ccb_h.cbfcnp = isptarg_done;
3078 ack->ccb_h.timeout = 0;
3079 ack->ccb_h.ccb_inot = inot;
3080 ack->tag_id = inot->tag_id;
3081 ack->seq_id = inot->seq_id;
3082 ack->initiator_id = inot->initiator_id;
3083 xpt_action(iccb);
3084 }
3085
3086 static void
isptargstart(struct cam_periph * periph,union ccb * iccb)3087 isptargstart(struct cam_periph *periph, union ccb *iccb)
3088 {
3089 const uint8_t niliqd[SHORT_INQUIRY_LENGTH] = {
3090 0x7f, 0x0, 0x5, 0x2, 32, 0, 0, 0x32,
3091 'F', 'R', 'E', 'E', 'B', 'S', 'D', ' ',
3092 'S', 'C', 'S', 'I', ' ', 'N', 'U', 'L',
3093 'L', ' ', 'D', 'E', 'V', 'I', 'C', 'E',
3094 '0', '0', '0', '1'
3095 };
3096 const uint8_t iqd[SHORT_INQUIRY_LENGTH] = {
3097 0, 0x0, 0x5, 0x2, 32, 0, 0, 0x32,
3098 'F', 'R', 'E', 'E', 'B', 'S', 'D', ' ',
3099 'S', 'C', 'S', 'I', ' ', 'M', 'E', 'M',
3100 'O', 'R', 'Y', ' ', 'D', 'I', 'S', 'K',
3101 '0', '0', '0', '1'
3102 };
3103 int i, more = 0, last;
3104 struct isptarg_softc *softc = periph->softc;
3105 struct ccb_scsiio *csio;
3106 lun_id_t return_lun;
3107 struct ccb_accept_tio *atio;
3108 uint8_t *cdb, *ptr, status;
3109 uint8_t *data_ptr;
3110 uint32_t data_len, flags;
3111 struct ccb_hdr *ccbh;
3112
3113 KKASSERT(lockstatus(periph->sim->mtx, curthread) != 0);
3114 ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG0, iccb->ccb_h.path, "%s: function code 0x%x INOTQ=%c WORKQ=%c REWORKQ=%c\n", __func__, iccb->ccb_h.func_code,
3115 TAILQ_FIRST(&softc->inot_queue)? 'y' : 'n', TAILQ_FIRST(&softc->work_queue)? 'y' : 'n', TAILQ_FIRST(&softc->rework_queue)? 'y' : 'n');
3116 /*
3117 * Check for immediate notifies first
3118 */
3119 ccbh = TAILQ_FIRST(&softc->inot_queue);
3120 if (ccbh) {
3121 TAILQ_REMOVE(&softc->inot_queue, ccbh, periph_links.tqe);
3122 if (TAILQ_FIRST(&softc->inot_queue) || TAILQ_FIRST(&softc->work_queue) || TAILQ_FIRST(&softc->rework_queue)) {
3123 xpt_schedule(periph, 1);
3124 }
3125 isptargnotify(softc->isp, iccb, (struct ccb_immediate_notify *)ccbh);
3126 return;
3127 }
3128
3129 /*
3130 * Check the rework (continuation) work queue first.
3131 */
3132 ccbh = TAILQ_FIRST(&softc->rework_queue);
3133 if (ccbh) {
3134 atio = (struct ccb_accept_tio *)ccbh;
3135 TAILQ_REMOVE(&softc->rework_queue, ccbh, periph_links.tqe);
3136 more = TAILQ_FIRST(&softc->work_queue) || TAILQ_FIRST(&softc->rework_queue);
3137 } else {
3138 ccbh = TAILQ_FIRST(&softc->work_queue);
3139 if (ccbh == NULL) {
3140 ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG0, iccb->ccb_h.path, "%s: woken up but no work?\n", __func__);
3141 xpt_release_ccb(iccb);
3142 return;
3143 }
3144 atio = (struct ccb_accept_tio *)ccbh;
3145 TAILQ_REMOVE(&softc->work_queue, ccbh, periph_links.tqe);
3146 more = TAILQ_FIRST(&softc->work_queue) != NULL;
3147 atio->ccb_h.ccb_data_offset = 0;
3148 }
3149
3150 if (atio->tag_id == 0xffffffff || atio->ccb_h.func_code != XPT_ACCEPT_TARGET_IO) {
3151 panic("BAD ATIO");
3152 }
3153
3154 data_ptr = NULL;
3155 data_len = 0;
3156 csio = &iccb->csio;
3157 status = SCSI_STATUS_OK;
3158 flags = CAM_SEND_STATUS;
3159 memset(&atio->sense_data, 0, sizeof (atio->sense_data));
3160 cdb = atio->cdb_io.cdb_bytes;
3161 ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG0, ccbh->path, "%s: [0x%x] processing ATIO from 0x%x CDB=0x%x data_offset=%u\n", __func__, atio->tag_id, atio->init_id,
3162 cdb[0], atio->ccb_h.ccb_data_offset);
3163
3164 return_lun = XS_LUN(atio);
3165 if (return_lun != 0) {
3166 xpt_print(atio->ccb_h.path, "[0x%x] Non-Zero Lun %d: cdb0=0x%x\n", atio->tag_id, return_lun, cdb[0]);
3167 if (cdb[0] != INQUIRY && cdb[0] != REPORT_LUNS && cdb[0] != REQUEST_SENSE) {
3168 status = SCSI_STATUS_CHECK_COND;
3169 atio->sense_data.error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR|SSD_KEY_ILLEGAL_REQUEST;
3170 atio->sense_data.add_sense_code = 0x25;
3171 atio->sense_data.add_sense_code_qual = 0x0;
3172 atio->sense_len = sizeof (atio->sense_data);
3173 }
3174 return_lun = CAM_LUN_WILDCARD;
3175 }
3176
3177 switch (cdb[0]) {
3178 case REQUEST_SENSE:
3179 flags |= CAM_DIR_IN;
3180 data_len = sizeof (atio->sense_data);
3181 junk_data[0] = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR|SSD_KEY_NO_SENSE;
3182 memset(junk_data+1, 0, data_len-1);
3183 if (data_len > cdb[4]) {
3184 data_len = cdb[4];
3185 }
3186 if (data_len) {
3187 data_ptr = junk_data;
3188 }
3189 break;
3190 case READ_6:
3191 case READ_10:
3192 case READ_12:
3193 case READ_16:
3194 if (isptarg_rwparm(cdb, disk_data, disk_size, atio->ccb_h.ccb_data_offset, &data_ptr, &data_len, &last)) {
3195 status = SCSI_STATUS_CHECK_COND;
3196 atio->sense_data.error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR|SSD_KEY_UNIT_ATTENTION;
3197 atio->sense_data.add_sense_code = 0x5;
3198 atio->sense_data.add_sense_code_qual = 0x24;
3199 atio->sense_len = sizeof (atio->sense_data);
3200 } else {
3201 #ifdef ISP_FORCE_TIMEOUT
3202 {
3203 static int foo;
3204 if (foo++ == 500) {
3205 if (more) {
3206 xpt_schedule(periph, 1);
3207 }
3208 foo = 0;
3209 return;
3210 }
3211 }
3212 #endif
3213 #ifdef ISP_TEST_SEPARATE_STATUS
3214 if (last && data_len) {
3215 last = 0;
3216 }
3217 #endif
3218 if (last == 0) {
3219 flags &= ~CAM_SEND_STATUS;
3220 }
3221 if (data_len) {
3222 atio->ccb_h.ccb_data_offset += data_len;
3223 flags |= CAM_DIR_IN;
3224 } else {
3225 flags |= CAM_DIR_NONE;
3226 }
3227 }
3228 break;
3229 case WRITE_6:
3230 case WRITE_10:
3231 case WRITE_12:
3232 case WRITE_16:
3233 if (isptarg_rwparm(cdb, disk_data, disk_size, atio->ccb_h.ccb_data_offset, &data_ptr, &data_len, &last)) {
3234 status = SCSI_STATUS_CHECK_COND;
3235 atio->sense_data.error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR|SSD_KEY_UNIT_ATTENTION;
3236 atio->sense_data.add_sense_code = 0x5;
3237 atio->sense_data.add_sense_code_qual = 0x24;
3238 atio->sense_len = sizeof (atio->sense_data);
3239 } else {
3240 #ifdef ISP_FORCE_TIMEOUT
3241 {
3242 static int foo;
3243 if (foo++ == 500) {
3244 if (more) {
3245 xpt_schedule(periph, 1);
3246 }
3247 foo = 0;
3248 return;
3249 }
3250 }
3251 #endif
3252 #ifdef ISP_TEST_SEPARATE_STATUS
3253 if (last && data_len) {
3254 last = 0;
3255 }
3256 #endif
3257 if (last == 0) {
3258 flags &= ~CAM_SEND_STATUS;
3259 }
3260 if (data_len) {
3261 atio->ccb_h.ccb_data_offset += data_len;
3262 flags |= CAM_DIR_OUT;
3263 } else {
3264 flags |= CAM_DIR_NONE;
3265 }
3266 }
3267 break;
3268 case INQUIRY:
3269 flags |= CAM_DIR_IN;
3270 if (cdb[1] || cdb[2] || cdb[3]) {
3271 status = SCSI_STATUS_CHECK_COND;
3272 atio->sense_data.error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR|SSD_KEY_UNIT_ATTENTION;
3273 atio->sense_data.add_sense_code = 0x5;
3274 atio->sense_data.add_sense_code_qual = 0x20;
3275 atio->sense_len = sizeof (atio->sense_data);
3276 break;
3277 }
3278 data_len = sizeof (iqd);
3279 if (data_len > cdb[4]) {
3280 data_len = cdb[4];
3281 }
3282 if (data_len) {
3283 if (XS_LUN(iccb) != 0) {
3284 memcpy(junk_data, niliqd, sizeof (iqd));
3285 } else {
3286 memcpy(junk_data, iqd, sizeof (iqd));
3287 }
3288 data_ptr = junk_data;
3289 }
3290 break;
3291 case TEST_UNIT_READY:
3292 flags |= CAM_DIR_NONE;
3293 if (ca) {
3294 ca = 0;
3295 status = SCSI_STATUS_CHECK_COND;
3296 atio->sense_data.error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR|SSD_KEY_UNIT_ATTENTION;
3297 atio->sense_data.add_sense_code = 0x28;
3298 atio->sense_data.add_sense_code_qual = 0x0;
3299 atio->sense_len = sizeof (atio->sense_data);
3300 }
3301 break;
3302 case SYNCHRONIZE_CACHE:
3303 case START_STOP:
3304 case RESERVE:
3305 case RELEASE:
3306 case VERIFY_10:
3307 flags |= CAM_DIR_NONE;
3308 break;
3309
3310 case READ_CAPACITY:
3311 flags |= CAM_DIR_IN;
3312 if (cdb[2] || cdb[3] || cdb[4] || cdb[5]) {
3313 status = SCSI_STATUS_CHECK_COND;
3314 atio->sense_data.error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR|SSD_KEY_UNIT_ATTENTION;
3315 atio->sense_data.add_sense_code = 0x5;
3316 atio->sense_data.add_sense_code_qual = 0x24;
3317 atio->sense_len = sizeof (atio->sense_data);
3318 break;
3319 }
3320 if (cdb[8] & 0x1) { /* PMI */
3321 junk_data[0] = 0xff;
3322 junk_data[1] = 0xff;
3323 junk_data[2] = 0xff;
3324 junk_data[3] = 0xff;
3325 } else {
3326 uint64_t last_blk = (disk_size >> DISK_SHIFT) - 1;
3327 if (last_blk < 0xffffffffULL) {
3328 junk_data[0] = (last_blk >> 24) & 0xff;
3329 junk_data[1] = (last_blk >> 16) & 0xff;
3330 junk_data[2] = (last_blk >> 8) & 0xff;
3331 junk_data[3] = (last_blk) & 0xff;
3332 } else {
3333 junk_data[0] = 0xff;
3334 junk_data[1] = 0xff;
3335 junk_data[2] = 0xff;
3336 junk_data[3] = 0xff;
3337 }
3338 }
3339 junk_data[4] = ((1 << DISK_SHIFT) >> 24) & 0xff;
3340 junk_data[5] = ((1 << DISK_SHIFT) >> 16) & 0xff;
3341 junk_data[6] = ((1 << DISK_SHIFT) >> 8) & 0xff;
3342 junk_data[7] = ((1 << DISK_SHIFT)) & 0xff;
3343 data_ptr = junk_data;
3344 data_len = 8;
3345 break;
3346 case REPORT_LUNS:
3347 flags |= CAM_DIR_IN;
3348 memset(junk_data, 0, JUNK_SIZE);
3349 junk_data[0] = (1 << 3) >> 24;
3350 junk_data[1] = (1 << 3) >> 16;
3351 junk_data[2] = (1 << 3) >> 8;
3352 junk_data[3] = (1 << 3);
3353 ptr = NULL;
3354 for (i = 0; i < 1; i++) {
3355 ptr = &junk_data[8 + (1 << 3)];
3356 if (i >= 256) {
3357 ptr[0] = 0x40 | ((i >> 8) & 0x3f);
3358 }
3359 ptr[1] = i;
3360 }
3361 data_ptr = junk_data;
3362 data_len = (ptr + 8) - junk_data;
3363 break;
3364
3365 default:
3366 flags |= CAM_DIR_NONE;
3367 status = SCSI_STATUS_CHECK_COND;
3368 atio->sense_data.error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR|SSD_KEY_UNIT_ATTENTION;
3369 atio->sense_data.add_sense_code = 0x5;
3370 atio->sense_data.add_sense_code_qual = 0x20;
3371 atio->sense_len = sizeof (atio->sense_data);
3372 break;
3373 }
3374
3375 /*
3376 * If we are done with the transaction, tell the
3377 * controller to send status and perform a CMD_CMPLT.
3378 * If we have associated sense data, see if we can
3379 * send that too.
3380 */
3381 if (status == SCSI_STATUS_CHECK_COND) {
3382 flags |= CAM_SEND_SENSE;
3383 csio->sense_len = atio->sense_len;
3384 csio->sense_data = atio->sense_data;
3385 flags &= ~CAM_DIR_MASK;
3386 data_len = 0;
3387 data_ptr = NULL;
3388 }
3389 cam_fill_ctio(csio, 0, isptarg_done, flags, MSG_SIMPLE_Q_TAG, atio->tag_id, atio->init_id, status, data_ptr, data_len, 0);
3390 iccb->ccb_h.target_id = atio->ccb_h.target_id;
3391 iccb->ccb_h.target_lun = return_lun;
3392 iccb->ccb_h.ccb_atio = atio;
3393 xpt_action(iccb);
3394
3395 if ((atio->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3396 cam_release_devq(periph->path, 0, 0, 0, 0);
3397 atio->ccb_h.status &= ~CAM_DEV_QFRZN;
3398 }
3399 if (more) {
3400 xpt_schedule(periph, 1);
3401 }
3402 }
3403
3404 static cam_status
isptargctor(struct cam_periph * periph,void * arg)3405 isptargctor(struct cam_periph *periph, void *arg)
3406 {
3407 struct isptarg_softc *softc;
3408
3409 softc = (struct isptarg_softc *)arg;
3410 periph->softc = softc;
3411 softc->periph = periph;
3412 softc->path = periph->path;
3413 ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG0, periph->path, "%s called\n", __func__);
3414 return (CAM_REQ_CMP);
3415 }
3416
3417 static void
isptargdtor(struct cam_periph * periph)3418 isptargdtor(struct cam_periph *periph)
3419 {
3420 struct isptarg_softc *softc;
3421 softc = (struct isptarg_softc *)periph->softc;
3422 ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG0, periph->path, "%s called\n", __func__);
3423 softc->periph = NULL;
3424 softc->path = NULL;
3425 periph->softc = NULL;
3426 }
3427
3428 static void
isptarg_done(struct cam_periph * periph,union ccb * ccb)3429 isptarg_done(struct cam_periph *periph, union ccb *ccb)
3430 {
3431 struct isptarg_softc *softc;
3432 ispsoftc_t *isp;
3433 struct ccb_accept_tio *atio;
3434 struct ccb_immediate_notify *inot;
3435 cam_status status;
3436
3437 softc = (struct isptarg_softc *)periph->softc;
3438 isp = softc->isp;
3439 status = ccb->ccb_h.status & CAM_STATUS_MASK;
3440
3441 switch (ccb->ccb_h.func_code) {
3442 case XPT_ACCEPT_TARGET_IO:
3443 atio = (struct ccb_accept_tio *) ccb;
3444 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "[0x%x] ATIO seen in %s\n", atio->tag_id, __func__);
3445 TAILQ_INSERT_TAIL(&softc->work_queue, &ccb->ccb_h, periph_links.tqe);
3446 xpt_schedule(periph, 1);
3447 break;
3448 case XPT_IMMEDIATE_NOTIFY:
3449 inot = (struct ccb_immediate_notify *) ccb;
3450 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "[0x%x] INOT for 0x%x seen in %s\n", inot->tag_id, inot->seq_id, __func__);
3451 TAILQ_INSERT_TAIL(&softc->inot_queue, &ccb->ccb_h, periph_links.tqe);
3452 xpt_schedule(periph, 1);
3453 break;
3454 case XPT_CONT_TARGET_IO:
3455 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3456 cam_release_devq(ccb->ccb_h.path, 0, 0, 0, 0);
3457 ccb->ccb_h.status &= ~CAM_DEV_QFRZN;
3458 }
3459 atio = ccb->ccb_h.ccb_atio;
3460 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
3461 cam_error_print(ccb, CAM_ESF_ALL, CAM_EPF_ALL);
3462 xpt_action((union ccb *)atio);
3463 } else if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) {
3464 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "[0x%x] MID CTIO seen in %s\n", atio->tag_id, __func__);
3465 TAILQ_INSERT_TAIL(&softc->rework_queue, &atio->ccb_h, periph_links.tqe);
3466 xpt_schedule(periph, 1);
3467 } else {
3468 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "[0x%x] FINAL CTIO seen in %s\n", atio->tag_id, __func__);
3469 xpt_action((union ccb *)atio);
3470 }
3471 xpt_release_ccb(ccb);
3472 break;
3473 case XPT_NOTIFY_ACKNOWLEDGE:
3474 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3475 cam_release_devq(ccb->ccb_h.path, 0, 0, 0, 0);
3476 ccb->ccb_h.status &= ~CAM_DEV_QFRZN;
3477 }
3478 inot = ccb->ccb_h.ccb_inot;
3479 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, inot->ccb_h.path, "[0x%x] recycle notify for tag 0x%x\n", inot->tag_id, inot->seq_id);
3480 xpt_release_ccb(ccb);
3481 xpt_action((union ccb *)inot);
3482 break;
3483 default:
3484 xpt_print(ccb->ccb_h.path, "unexpected code 0x%x\n", ccb->ccb_h.func_code);
3485 break;
3486 }
3487 }
3488
3489 static void
isptargasync(void * callback_arg,u_int32_t code,struct cam_path * path,void * arg)3490 isptargasync(void *callback_arg, u_int32_t code, struct cam_path *path, void *arg)
3491 {
3492 struct ac_contract *acp = arg;
3493 struct ac_device_changed *fc = (struct ac_device_changed *) acp->contract_data;
3494
3495 if (code != AC_CONTRACT) {
3496 return;
3497 }
3498 xpt_print(path, "0x%016llx Port ID 0x%06x %s\n", (unsigned long long) fc->wwpn, fc->port, fc->arrived? "arrived" : "departed");
3499 }
3500
3501 static void
isp_target_thread(ispsoftc_t * isp,int chan)3502 isp_target_thread(ispsoftc_t *isp, int chan)
3503 {
3504 union ccb *ccb = NULL;
3505 int i;
3506 void *wchan;
3507 cam_status status;
3508 struct isptarg_softc *softc = NULL;
3509 struct cam_periph *periph = NULL, *wperiph = NULL;
3510 struct cam_path *path, *wpath;
3511 struct cam_sim *sim;
3512
3513 if (disk_data == NULL) {
3514 disk_size = roundup2(vm_kmem_size >> 1, (1ULL << 20));
3515 if (disk_size < (50 << 20)) {
3516 disk_size = 50 << 20;
3517 }
3518 disk_data = kmalloc(disk_size, M_ISPTARG, M_WAITOK | M_ZERO);
3519 isp_prt(isp, ISP_LOGINFO, "allocated a %ju MiB disk", (uintmax_t) (disk_size >> 20));
3520 }
3521 junk_data = kmalloc(JUNK_SIZE, M_ISPTARG, M_WAITOK | M_ZERO);
3522
3523
3524 softc = kmalloc(sizeof (*softc), M_ISPTARG, M_WAITOK | M_ZERO);
3525 TAILQ_INIT(&softc->work_queue);
3526 TAILQ_INIT(&softc->rework_queue);
3527 TAILQ_INIT(&softc->running_queue);
3528 TAILQ_INIT(&softc->inot_queue);
3529 softc->isp = isp;
3530
3531 periphdriver_register(&isptargdriver);
3532 ISP_GET_PC(isp, chan, sim, sim);
3533 ISP_GET_PC(isp, chan, path, path);
3534 status = xpt_create_path_unlocked(&wpath, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD);
3535 if (status != CAM_REQ_CMP) {
3536 isp_prt(isp, ISP_LOGERR, "%s: could not allocate wildcard path", __func__);
3537 return;
3538 }
3539 status = xpt_create_path_unlocked(&path, NULL, cam_sim_path(sim), 0, 0);
3540 if (status != CAM_REQ_CMP) {
3541 xpt_free_path(wpath);
3542 isp_prt(isp, ISP_LOGERR, "%s: could not allocate path", __func__);
3543 return;
3544 }
3545
3546 ISP_LOCK(isp);
3547 status = cam_periph_alloc(isptargctor, NULL, isptargdtor, isptargstart, "isptarg", CAM_PERIPH_BIO, wpath, NULL, 0, softc);
3548 if (status != CAM_REQ_CMP) {
3549 ISP_UNLOCK(isp);
3550 isp_prt(isp, ISP_LOGERR, "%s: cam_periph_alloc for wildcard failed", __func__);
3551 goto out;
3552 }
3553 wperiph = cam_periph_find(wpath, "isptarg");
3554 if (wperiph == NULL) {
3555 ISP_UNLOCK(isp);
3556 isp_prt(isp, ISP_LOGERR, "%s: wildcard periph already allocated but doesn't exist", __func__);
3557 goto out;
3558 }
3559
3560 status = cam_periph_alloc(isptargctor, NULL, isptargdtor, isptargstart, "isptarg", CAM_PERIPH_BIO, path, NULL, 0, softc);
3561 if (status != CAM_REQ_CMP) {
3562 ISP_UNLOCK(isp);
3563 isp_prt(isp, ISP_LOGERR, "%s: cam_periph_alloc failed", __func__);
3564 goto out;
3565 }
3566
3567 periph = cam_periph_find(path, "isptarg");
3568 if (periph == NULL) {
3569 ISP_UNLOCK(isp);
3570 isp_prt(isp, ISP_LOGERR, "%s: periph already allocated but doesn't exist", __func__);
3571 goto out;
3572 }
3573
3574 status = xpt_register_async(AC_CONTRACT, isptargasync, isp, wpath);
3575 if (status != CAM_REQ_CMP) {
3576 ISP_UNLOCK(isp);
3577 isp_prt(isp, ISP_LOGERR, "%s: xpt_register_async failed", __func__);
3578 goto out;
3579 }
3580
3581 ISP_UNLOCK(isp);
3582
3583 ccb = xpt_alloc_ccb();
3584
3585 /*
3586 * Make sure role is none.
3587 */
3588 xpt_setup_ccb(&ccb->ccb_h, periph->path, 10);
3589 ccb->ccb_h.func_code = XPT_SET_SIM_KNOB;
3590 ccb->knob.xport_specific.fc.role = KNOB_ROLE_NONE;
3591 #ifdef ISP_TEST_WWNS
3592 ccb->knob.xport_specific.fc.valid = KNOB_VALID_ROLE | KNOB_VALID_ADDRESS;
3593 ccb->knob.xport_specific.fc.wwnn = 0x508004d000000000ULL | (device_get_unit(isp->isp_osinfo.dev) << 8) | (chan << 16);
3594 ccb->knob.xport_specific.fc.wwpn = 0x508004d000000001ULL | (device_get_unit(isp->isp_osinfo.dev) << 8) | (chan << 16);
3595 #else
3596 ccb->knob.xport_specific.fc.valid = KNOB_VALID_ROLE;
3597 #endif
3598
3599 ISP_LOCK(isp);
3600 xpt_action(ccb);
3601 ISP_UNLOCK(isp);
3602
3603 /*
3604 * Now enable luns
3605 */
3606 xpt_setup_ccb(&ccb->ccb_h, periph->path, 10);
3607 ccb->ccb_h.func_code = XPT_EN_LUN;
3608 ccb->cel.enable = 1;
3609 ISP_LOCK(isp);
3610 xpt_action(ccb);
3611 ISP_UNLOCK(isp);
3612 if (ccb->ccb_h.status != CAM_REQ_CMP) {
3613 xpt_free_ccb(&ccb->ccb_h);
3614 xpt_print(periph->path, "failed to enable lun (0x%x)\n", ccb->ccb_h.status);
3615 goto out;
3616 }
3617
3618 xpt_setup_ccb(&ccb->ccb_h, wperiph->path, 10);
3619 ccb->ccb_h.func_code = XPT_EN_LUN;
3620 ccb->cel.enable = 1;
3621 ISP_LOCK(isp);
3622 xpt_action(ccb);
3623 ISP_UNLOCK(isp);
3624 if (ccb->ccb_h.status != CAM_REQ_CMP) {
3625 xpt_free_ccb(&ccb->ccb_h);
3626 xpt_print(wperiph->path, "failed to enable lun (0x%x)\n", ccb->ccb_h.status);
3627 goto out;
3628 }
3629 xpt_free_ccb(&ccb->ccb_h);
3630 ccb = NULL; /* safety */
3631
3632 /*
3633 * Add resources
3634 */
3635 ISP_GET_PC_ADDR(isp, chan, target_proc, wchan);
3636 for (i = 0; i < 4; i++) {
3637 ccb = xpt_alloc_ccb();
3638 xpt_setup_ccb(&ccb->ccb_h, wperiph->path, 1);
3639 ccb->ccb_h.func_code = XPT_ACCEPT_TARGET_IO;
3640 ccb->ccb_h.cbfcnp = isptarg_done;
3641 ISP_LOCK(isp);
3642 xpt_action(ccb);
3643 ISP_UNLOCK(isp);
3644 }
3645 for (i = 0; i < NISP_TARG_CMDS; i++) {
3646 ccb = xpt_alloc_ccb();
3647 xpt_setup_ccb(&ccb->ccb_h, periph->path, 1);
3648 ccb->ccb_h.func_code = XPT_ACCEPT_TARGET_IO;
3649 ccb->ccb_h.cbfcnp = isptarg_done;
3650 ISP_LOCK(isp);
3651 xpt_action(ccb);
3652 ISP_UNLOCK(isp);
3653 }
3654 for (i = 0; i < 4; i++) {
3655 ccb = xpt_alloc_ccb();
3656 xpt_setup_ccb(&ccb->ccb_h, wperiph->path, 1);
3657 ccb->ccb_h.func_code = XPT_IMMEDIATE_NOTIFY;
3658 ccb->ccb_h.cbfcnp = isptarg_done;
3659 ISP_LOCK(isp);
3660 xpt_action(ccb);
3661 ISP_UNLOCK(isp);
3662 }
3663 for (i = 0; i < NISP_TARG_NOTIFIES; i++) {
3664 ccb = xpt_alloc_ccb();
3665 xpt_setup_ccb(&ccb->ccb_h, periph->path, 1);
3666 ccb->ccb_h.func_code = XPT_IMMEDIATE_NOTIFY;
3667 ccb->ccb_h.cbfcnp = isptarg_done;
3668 ISP_LOCK(isp);
3669 xpt_action(ccb);
3670 ISP_UNLOCK(isp);
3671 }
3672
3673 /*
3674 * Now turn it all back on
3675 */
3676 ccb = xpt_alloc_ccb();
3677 xpt_setup_ccb(&ccb->ccb_h, periph->path, 10);
3678 ccb->ccb_h.func_code = XPT_SET_SIM_KNOB;
3679 ccb->knob.xport_specific.fc.valid = KNOB_VALID_ROLE;
3680 ccb->knob.xport_specific.fc.role = KNOB_ROLE_TARGET;
3681 ISP_LOCK(isp);
3682 xpt_action(ccb);
3683 xpt_free_ccb(&ccb->ccb_h);
3684 ISP_UNLOCK(isp);
3685
3686 /*
3687 * Okay, while things are still active, sleep...
3688 */
3689 ISP_LOCK(isp);
3690 for (;;) {
3691 ISP_GET_PC(isp, chan, proc_active, i);
3692 if (i == 0) {
3693 break;
3694 }
3695 lksleep(wchan, &isp->isp_lock, PUSER, "tsnooze", 0);
3696 }
3697 ISP_UNLOCK(isp);
3698
3699 out:
3700 if (wperiph) {
3701 cam_periph_invalidate(wperiph);
3702 }
3703 if (periph) {
3704 cam_periph_invalidate(periph);
3705 }
3706 if (junk_data) {
3707 kfree(junk_data, M_ISPTARG);
3708 }
3709 if (disk_data) {
3710 kfree(disk_data, M_ISPTARG);
3711 }
3712 if (softc) {
3713 kfree(softc, M_ISPTARG);
3714 }
3715 xpt_free_path(path);
3716 xpt_free_path(wpath);
3717 }
3718
3719 static void
isp_target_thread_pi(void * arg)3720 isp_target_thread_pi(void *arg)
3721 {
3722 struct isp_spi *pi = arg;
3723 isp_target_thread(cam_sim_softc(pi->sim), cam_sim_bus(pi->sim));
3724 }
3725
3726 static void
isp_target_thread_fc(void * arg)3727 isp_target_thread_fc(void *arg)
3728 {
3729 struct isp_fc *fc = arg;
3730 isp_target_thread(cam_sim_softc(fc->sim), cam_sim_bus(fc->sim));
3731 }
3732
3733 static int
isptarg_rwparm(uint8_t * cdb,uint8_t * dp,uint64_t dl,uint32_t offset,uint8_t ** kp,uint32_t * tl,int * lp)3734 isptarg_rwparm(uint8_t *cdb, uint8_t *dp, uint64_t dl, uint32_t offset, uint8_t **kp, uint32_t *tl, int *lp)
3735 {
3736 uint32_t cnt, curcnt;
3737 uint64_t lba;
3738
3739 switch (cdb[0]) {
3740 case WRITE_16:
3741 case READ_16:
3742 cnt = (((uint32_t)cdb[10]) << 24) |
3743 (((uint32_t)cdb[11]) << 16) |
3744 (((uint32_t)cdb[12]) << 8) |
3745 ((uint32_t)cdb[13]);
3746
3747 lba = (((uint64_t)cdb[2]) << 56) |
3748 (((uint64_t)cdb[3]) << 48) |
3749 (((uint64_t)cdb[4]) << 40) |
3750 (((uint64_t)cdb[5]) << 32) |
3751 (((uint64_t)cdb[6]) << 24) |
3752 (((uint64_t)cdb[7]) << 16) |
3753 (((uint64_t)cdb[8]) << 8) |
3754 ((uint64_t)cdb[9]);
3755 break;
3756 case WRITE_12:
3757 case READ_12:
3758 cnt = (((uint32_t)cdb[6]) << 16) |
3759 (((uint32_t)cdb[7]) << 8) |
3760 ((u_int32_t)cdb[8]);
3761
3762 lba = (((uint32_t)cdb[2]) << 24) |
3763 (((uint32_t)cdb[3]) << 16) |
3764 (((uint32_t)cdb[4]) << 8) |
3765 ((uint32_t)cdb[5]);
3766 break;
3767 case WRITE_10:
3768 case READ_10:
3769 cnt = (((uint32_t)cdb[7]) << 8) |
3770 ((u_int32_t)cdb[8]);
3771
3772 lba = (((uint32_t)cdb[2]) << 24) |
3773 (((uint32_t)cdb[3]) << 16) |
3774 (((uint32_t)cdb[4]) << 8) |
3775 ((uint32_t)cdb[5]);
3776 break;
3777 case WRITE_6:
3778 case READ_6:
3779 cnt = cdb[4];
3780 if (cnt == 0) {
3781 cnt = 256;
3782 }
3783 lba = (((uint32_t)cdb[1] & 0x1f) << 16) |
3784 (((uint32_t)cdb[2]) << 8) |
3785 ((uint32_t)cdb[3]);
3786 break;
3787 default:
3788 return (-1);
3789 }
3790
3791 cnt <<= DISK_SHIFT;
3792 lba <<= DISK_SHIFT;
3793
3794 if (offset == cnt) {
3795 *lp = 1;
3796 return (0);
3797 }
3798
3799 if (lba + cnt > dl) {
3800 return (-1);
3801 }
3802
3803
3804 curcnt = MAX_ISP_TARG_TRANSFER;
3805 if (offset + curcnt >= cnt) {
3806 curcnt = cnt - offset;
3807 *lp = 1;
3808 } else {
3809 *lp = 0;
3810 }
3811 *tl = curcnt;
3812 *kp = &dp[lba + offset];
3813 return (0);
3814 }
3815
3816 #endif
3817 #endif
3818
3819 static void
isp_cam_async(void * cbarg,uint32_t code,struct cam_path * path,void * arg)3820 isp_cam_async(void *cbarg, uint32_t code, struct cam_path *path, void *arg)
3821 {
3822 struct cam_sim *sim;
3823 int bus, tgt;
3824 ispsoftc_t *isp;
3825
3826 sim = (struct cam_sim *)cbarg;
3827 isp = (ispsoftc_t *) cam_sim_softc(sim);
3828 bus = cam_sim_bus(sim);
3829 tgt = xpt_path_target_id(path);
3830
3831 switch (code) {
3832 case AC_LOST_DEVICE:
3833 if (IS_SCSI(isp)) {
3834 uint16_t oflags, nflags;
3835 sdparam *sdp = SDPARAM(isp, bus);
3836
3837 if (tgt >= 0) {
3838 nflags = sdp->isp_devparam[tgt].nvrm_flags;
3839 #ifndef ISP_TARGET_MODE
3840 nflags &= DPARM_SAFE_DFLT;
3841 if (isp->isp_loaded_fw) {
3842 nflags |= DPARM_NARROW | DPARM_ASYNC;
3843 }
3844 #else
3845 nflags = DPARM_DEFAULT;
3846 #endif
3847 oflags = sdp->isp_devparam[tgt].goal_flags;
3848 sdp->isp_devparam[tgt].goal_flags = nflags;
3849 sdp->isp_devparam[tgt].dev_update = 1;
3850 sdp->update = 1;
3851 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus);
3852 sdp->isp_devparam[tgt].goal_flags = oflags;
3853 }
3854 }
3855 break;
3856 default:
3857 isp_prt(isp, ISP_LOGWARN, "isp_cam_async: Code 0x%x", code);
3858 break;
3859 }
3860 }
3861
3862 static void
isp_poll(struct cam_sim * sim)3863 isp_poll(struct cam_sim *sim)
3864 {
3865 ispsoftc_t *isp = cam_sim_softc(sim);
3866 uint32_t isr;
3867 uint16_t sema, mbox;
3868
3869 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) {
3870 isp_intr(isp, isr, sema, mbox);
3871 }
3872 }
3873
3874
3875 static void
isp_watchdog(void * arg)3876 isp_watchdog(void *arg)
3877 {
3878 struct ccb_scsiio *xs = arg;
3879 ispsoftc_t *isp;
3880 uint32_t ohandle = ISP_HANDLE_FREE, handle;
3881
3882 isp = XS_ISP(xs);
3883 ISP_LOCK(isp);
3884
3885 handle = isp_find_handle(isp, xs);
3886
3887 if (handle != ISP_HANDLE_FREE && !XS_CMD_WPEND_P(xs)) {
3888 isp_xs_prt(isp, xs, ISP_LOGWARN, "first watchdog (handle 0x%x) timed out- deferring for grace period", handle);
3889 callout_reset(&PISP_PCMD(xs)->wdog, 2 * hz, isp_watchdog, xs);
3890 XS_CMD_S_WPEND(xs);
3891 ISP_UNLOCK(isp);
3892 return;
3893 }
3894 XS_C_TACTIVE(xs);
3895
3896 /*
3897 * Hand crank the interrupt code just to be sure the command isn't stuck somewhere.
3898 */
3899 if (handle != ISP_HANDLE_FREE) {
3900 uint32_t isr;
3901 uint16_t sema, mbox;
3902 if (ISP_READ_ISR(isp, &isr, &sema, &mbox) != 0) {
3903 isp_intr(isp, isr, sema, mbox);
3904 }
3905 ohandle = handle;
3906 handle = isp_find_handle(isp, xs);
3907 }
3908 if (handle != ISP_HANDLE_FREE) {
3909 /*
3910 * Try and make sure the command is really dead before
3911 * we release the handle (and DMA resources) for reuse.
3912 *
3913 * If we are successful in aborting the command then
3914 * we're done here because we'll get the command returned
3915 * back separately.
3916 */
3917 if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) {
3918 ISP_UNLOCK(isp);
3919 return;
3920 }
3921
3922 /*
3923 * Note that after calling the above, the command may in
3924 * fact have been completed.
3925 */
3926 xs = isp_find_xs(isp, handle);
3927
3928 /*
3929 * If the command no longer exists, then we won't
3930 * be able to find the xs again with this handle.
3931 */
3932 if (xs == NULL) {
3933 ISP_UNLOCK(isp);
3934 return;
3935 }
3936
3937 /*
3938 * After this point, the command is really dead.
3939 */
3940 if (XS_XFRLEN(xs)) {
3941 ISP_DMAFREE(isp, xs, handle);
3942 }
3943 isp_destroy_handle(isp, handle);
3944 isp_prt(isp, ISP_LOGERR, "%s: timeout for handle 0x%x", __func__, handle);
3945 XS_SETERR(xs, CAM_CMD_TIMEOUT);
3946 isp_prt_endcmd(isp, xs);
3947 isp_done(xs);
3948 } else {
3949 if (ohandle != ISP_HANDLE_FREE) {
3950 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle 0x%x, recovered during interrupt", __func__, ohandle);
3951 } else {
3952 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle already free", __func__);
3953 }
3954 }
3955 ISP_UNLOCK(isp);
3956 }
3957
3958 static void
isp_bus_scan_cb(struct cam_periph * periph,union ccb * ccb)3959 isp_bus_scan_cb(struct cam_periph *periph, union ccb *ccb)
3960 {
3961 if (ccb->ccb_h.status != CAM_REQ_CMP)
3962 kprintf("cam_scan_callback: failure status = %x\n",
3963 ccb->ccb_h.status);
3964
3965 xpt_free_path(ccb->ccb_h.path);
3966 xpt_free_ccb(&ccb->ccb_h);
3967 }
3968
3969 static void
isp_make_here(ispsoftc_t * isp,int chan,int tgt)3970 isp_make_here(ispsoftc_t *isp, int chan, int tgt)
3971 {
3972 union ccb *ccb;
3973 struct isp_fc *fc = ISP_FC_PC(isp, chan);
3974
3975 if (isp_autoconfig == 0) {
3976 return;
3977 }
3978
3979 /*
3980 * Allocate a CCB, create a wildcard path for this target and schedule a rescan.
3981 */
3982 ccb = xpt_alloc_ccb();
3983 if (ccb == NULL) {
3984 isp_prt(isp, ISP_LOGWARN, "Chan %d unable to alloc CCB for rescan", chan);
3985 return;
3986 }
3987 if (xpt_create_path(&ccb->ccb_h.path, xpt_periph, cam_sim_path(fc->sim), tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
3988 isp_prt(isp, ISP_LOGWARN, "unable to create path for rescan");
3989 xpt_free_ccb(&ccb->ccb_h);
3990 return;
3991 }
3992 xpt_setup_ccb(&ccb->ccb_h, ccb->ccb_h.path, 5/*priority (low)*/);
3993 ccb->ccb_h.func_code = XPT_SCAN_BUS;
3994 ccb->ccb_h.cbfcnp = isp_bus_scan_cb;
3995 ccb->crcn.flags = CAM_FLAG_NONE;
3996 xpt_action(ccb);
3997 }
3998
3999 static void
isp_make_gone(ispsoftc_t * isp,int chan,int tgt)4000 isp_make_gone(ispsoftc_t *isp, int chan, int tgt)
4001 {
4002 struct cam_path *tp;
4003 struct isp_fc *fc = ISP_FC_PC(isp, chan);
4004
4005 if (isp_autoconfig == 0) {
4006 return;
4007 }
4008 if (xpt_create_path(&tp, NULL, cam_sim_path(fc->sim), tgt, CAM_LUN_WILDCARD) == CAM_REQ_CMP) {
4009 xpt_async(AC_LOST_DEVICE, tp, NULL);
4010 xpt_free_path(tp);
4011 }
4012 }
4013
4014 /*
4015 * Gone Device Timer Function- when we have decided that a device has gone
4016 * away, we wait a specific period of time prior to telling the OS it has
4017 * gone away.
4018 *
4019 * This timer function fires once a second and then scans the port database
4020 * for devices that are marked dead but still have a virtual target assigned.
4021 * We decrement a counter for that port database entry, and when it hits zero,
4022 * we tell the OS the device has gone away.
4023 */
4024 static void
isp_gdt(void * arg)4025 isp_gdt(void *arg)
4026 {
4027 struct isp_fc *fc = arg;
4028
4029 ISP_LOCK(fc->isp);
4030 taskqueue_enqueue(taskqueue_swi, &fc->gtask);
4031 ISP_UNLOCK(fc->isp);
4032 }
4033
4034 static void
isp_gdt_task(void * arg,int pending)4035 isp_gdt_task(void *arg, int pending)
4036 {
4037 struct isp_fc *fc = arg;
4038 ispsoftc_t *isp = fc->isp;
4039 int chan = fc - isp->isp_osinfo.pc.fc;
4040 fcportdb_t *lp;
4041 int dbidx, tgt, more_to_do = 0;
4042
4043 ISP_LOCK(isp);
4044 isp_prt(isp, ISP_LOGDEBUG0, "Chan %d GDT timer expired", chan);
4045 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) {
4046 lp = &FCPARAM(isp, chan)->portdb[dbidx];
4047
4048 if (lp->state != FC_PORTDB_STATE_ZOMBIE) {
4049 continue;
4050 }
4051 if (lp->dev_map_idx == 0 || lp->target_mode) {
4052 continue;
4053 }
4054 if (lp->gone_timer != 0) {
4055 isp_prt(isp, ISP_LOGSANCFG, "%s: Chan %d more to do for target %u (timer=%u)", __func__, chan, lp->dev_map_idx - 1, lp->gone_timer);
4056 lp->gone_timer -= 1;
4057 more_to_do++;
4058 continue;
4059 }
4060 tgt = lp->dev_map_idx - 1;
4061 FCPARAM(isp, chan)->isp_dev_map[tgt] = 0;
4062 lp->dev_map_idx = 0;
4063 lp->state = FC_PORTDB_STATE_NIL;
4064 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, lp->portid, tgt, "Gone Device Timeout");
4065 isp_make_gone(isp, chan, tgt);
4066 }
4067 if (fc->ready) {
4068 if (more_to_do) {
4069 callout_reset(&fc->gdt, hz, isp_gdt, fc);
4070 } else {
4071 callout_deactivate(&fc->gdt);
4072 isp_prt(isp, ISP_LOGSANCFG, "Chan %d Stopping Gone Device Timer @ %lu", chan, (unsigned long) time_second);
4073 }
4074 }
4075 ISP_UNLOCK(isp);
4076 }
4077
4078 /*
4079 * Loop Down Timer Function- when loop goes down, a timer is started and
4080 * and after it expires we come here and take all probational devices that
4081 * the OS knows about and the tell the OS that they've gone away.
4082 *
4083 * We don't clear the devices out of our port database because, when loop
4084 * come back up, we have to do some actual cleanup with the chip at that
4085 * point (implicit PLOGO, e.g., to get the chip's port database state right).
4086 */
4087 static void
isp_ldt(void * arg)4088 isp_ldt(void *arg)
4089 {
4090 struct isp_fc *fc = arg;
4091
4092 ISP_LOCK(fc->isp);
4093 taskqueue_enqueue(taskqueue_swi, &fc->ltask);
4094 ISP_UNLOCK(fc->isp);
4095 }
4096
4097 static void
isp_ldt_task(void * arg,int pending)4098 isp_ldt_task(void *arg, int pending)
4099 {
4100 struct isp_fc *fc = arg;
4101 ispsoftc_t *isp = fc->isp;
4102 int chan = fc - isp->isp_osinfo.pc.fc;
4103 fcportdb_t *lp;
4104 int dbidx, tgt, i;
4105
4106 ISP_LOCK(isp);
4107 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "Chan %d Loop Down Timer expired @ %lu", chan, (unsigned long) time_second);
4108 callout_deactivate(&fc->ldt);
4109
4110 /*
4111 * Notify to the OS all targets who we now consider have departed.
4112 */
4113 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) {
4114 lp = &FCPARAM(isp, chan)->portdb[dbidx];
4115
4116 if (lp->state != FC_PORTDB_STATE_PROBATIONAL) {
4117 continue;
4118 }
4119 if (lp->dev_map_idx == 0 || lp->target_mode) {
4120 continue;
4121 }
4122
4123 /*
4124 * XXX: CLEAN UP AND COMPLETE ANY PENDING COMMANDS FIRST!
4125 */
4126
4127
4128 for (i = 0; i < isp->isp_maxcmds; i++) {
4129 struct ccb_scsiio *xs;
4130
4131 if (!ISP_VALID_HANDLE(isp, isp->isp_xflist[i].handle)) {
4132 continue;
4133 }
4134 if ((xs = isp->isp_xflist[i].cmd) == NULL) {
4135 continue;
4136 }
4137 if (dbidx != (FCPARAM(isp, chan)->isp_dev_map[XS_TGT(xs)] - 1)) {
4138 continue;
4139 }
4140 isp_prt(isp, ISP_LOGWARN, "command handle 0x%08x for %d.%d.%d orphaned by loop down timeout",
4141 isp->isp_xflist[i].handle, chan, XS_TGT(xs), XS_LUN(xs));
4142 }
4143
4144 /*
4145 * Mark that we've announced that this device is gone....
4146 */
4147 lp->reserved = 1;
4148
4149 /*
4150 * but *don't* change the state of the entry. Just clear
4151 * any target id stuff and announce to CAM that the
4152 * device is gone. This way any necessary PLOGO stuff
4153 * will happen when loop comes back up.
4154 */
4155
4156 tgt = lp->dev_map_idx - 1;
4157 FCPARAM(isp, chan)->isp_dev_map[tgt] = 0;
4158 lp->dev_map_idx = 0;
4159 lp->state = FC_PORTDB_STATE_NIL;
4160 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, lp->portid, tgt, "Loop Down Timeout");
4161 isp_make_gone(isp, chan, tgt);
4162 }
4163
4164 if (FCPARAM(isp, chan)->role & ISP_ROLE_INITIATOR) {
4165 isp_unfreeze_loopdown(isp, chan);
4166 }
4167 /*
4168 * The loop down timer has expired. Wake up the kthread
4169 * to notice that fact (or make it false).
4170 */
4171 fc->loop_dead = 1;
4172 fc->loop_down_time = fc->loop_down_limit+1;
4173 wakeup(fc);
4174 ISP_UNLOCK(isp);
4175 }
4176
4177 static void
isp_kthread(void * arg)4178 isp_kthread(void *arg)
4179 {
4180 struct isp_fc *fc = arg;
4181 ispsoftc_t *isp = fc->isp;
4182 int chan = fc - isp->isp_osinfo.pc.fc;
4183 int slp = 0;
4184
4185 lockmgr(&isp->isp_osinfo.lock, LK_EXCLUSIVE);
4186
4187 for (;;) {
4188 int lb, lim;
4189
4190 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "%s: Chan %d checking FC state", __func__, chan);
4191 lb = isp_fc_runstate(isp, chan, 250000);
4192
4193 /*
4194 * Our action is different based upon whether we're supporting
4195 * Initiator mode or not. If we are, we might freeze the simq
4196 * when loop is down and set all sorts of different delays to
4197 * check again.
4198 *
4199 * If not, we simply just wait for loop to come up.
4200 */
4201 if (lb && (FCPARAM(isp, chan)->role & ISP_ROLE_INITIATOR)) {
4202 /*
4203 * Increment loop down time by the last sleep interval
4204 */
4205 fc->loop_down_time += slp;
4206
4207 if (lb < 0) {
4208 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC loop not up (down count %d)", __func__, chan, fc->loop_down_time);
4209 } else {
4210 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC got to %d (down count %d)", __func__, chan, lb, fc->loop_down_time);
4211 }
4212
4213 /*
4214 * If we've never seen loop up and we've waited longer
4215 * than quickboot time, or we've seen loop up but we've
4216 * waited longer than loop_down_limit, give up and go
4217 * to sleep until loop comes up.
4218 */
4219 if (FCPARAM(isp, chan)->loop_seen_once == 0) {
4220 lim = isp_quickboot_time;
4221 } else {
4222 lim = fc->loop_down_limit;
4223 }
4224 if (fc->loop_down_time >= lim) {
4225 isp_freeze_loopdown(isp, chan, "loop limit hit");
4226 slp = 0;
4227 } else if (fc->loop_down_time < 10) {
4228 slp = 1;
4229 } else if (fc->loop_down_time < 30) {
4230 slp = 5;
4231 } else if (fc->loop_down_time < 60) {
4232 slp = 10;
4233 } else if (fc->loop_down_time < 120) {
4234 slp = 20;
4235 } else {
4236 slp = 30;
4237 }
4238
4239 } else if (lb) {
4240 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC Loop Down", __func__, chan);
4241 fc->loop_down_time += slp;
4242 slp = 60;
4243 } else {
4244 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC state OK", __func__, chan);
4245 fc->loop_down_time = 0;
4246 slp = 0;
4247 }
4248
4249
4250 /*
4251 * If this is past the first loop up or the loop is dead and if we'd frozen the simq, unfreeze it
4252 * now so that CAM can start sending us commands.
4253 *
4254 * If the FC state isn't okay yet, they'll hit that in isp_start which will freeze the queue again
4255 * or kill the commands, as appropriate.
4256 */
4257
4258 if (FCPARAM(isp, chan)->loop_seen_once || fc->loop_dead) {
4259 isp_unfreeze_loopdown(isp, chan);
4260 }
4261
4262 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "%s: Chan %d sleep time %d", __func__, chan, slp);
4263
4264 lksleep(fc, &isp->isp_osinfo.lock, 0, "ispf", slp * hz);
4265
4266 /*
4267 * If slp is zero, we're waking up for the first time after
4268 * things have been okay. In this case, we set a deferral state
4269 * for all commands and delay hysteresis seconds before starting
4270 * the FC state evaluation. This gives the loop/fabric a chance
4271 * to settle.
4272 */
4273 if (slp == 0 && fc->hysteresis) {
4274 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "%s: Chan %d sleep hysteresis ticks %d", __func__, chan, fc->hysteresis * hz);
4275 lockmgr(&isp->isp_osinfo.lock, LK_RELEASE);
4276 tsleep(isp_kthread, 0, "ispt", fc->hysteresis * hz);
4277 lockmgr(&isp->isp_osinfo.lock, LK_EXCLUSIVE);
4278 }
4279 }
4280 lockmgr(&isp->isp_osinfo.lock, LK_RELEASE);
4281 }
4282
4283 static void
isp_action(struct cam_sim * sim,union ccb * ccb)4284 isp_action(struct cam_sim *sim, union ccb *ccb)
4285 {
4286 int bus, tgt, ts, error, lim;
4287 ispsoftc_t *isp;
4288 struct ccb_trans_settings *cts;
4289
4290 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("isp_action\n"));
4291
4292 isp = (ispsoftc_t *)cam_sim_softc(sim);
4293 KKASSERT(lockstatus(&isp->isp_lock, curthread) != 0);
4294
4295 if (isp->isp_state != ISP_RUNSTATE && ccb->ccb_h.func_code == XPT_SCSI_IO) {
4296 isp_init(isp);
4297 if (isp->isp_state != ISP_INITSTATE) {
4298 /*
4299 * Lie. Say it was a selection timeout.
4300 */
4301 ccb->ccb_h.status = CAM_SEL_TIMEOUT | CAM_DEV_QFRZN;
4302 xpt_freeze_devq(ccb->ccb_h.path, 1);
4303 xpt_done(ccb);
4304 return;
4305 }
4306 isp->isp_state = ISP_RUNSTATE;
4307 }
4308 isp_prt(isp, ISP_LOGDEBUG2, "isp_action code %x", ccb->ccb_h.func_code);
4309 ISP_PCMD(ccb) = NULL;
4310
4311 switch (ccb->ccb_h.func_code) {
4312 case XPT_SCSI_IO: /* Execute the requested I/O operation */
4313 bus = XS_CHANNEL(ccb);
4314 /*
4315 * Do a couple of preliminary checks...
4316 */
4317 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) {
4318 if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) {
4319 ccb->ccb_h.status = CAM_REQ_INVALID;
4320 xpt_done(ccb);
4321 break;
4322 }
4323 }
4324 #ifdef DIAGNOSTIC
4325 if (ccb->ccb_h.target_id > (ISP_MAX_TARGETS(isp) - 1)) {
4326 xpt_print(ccb->ccb_h.path, "invalid target\n");
4327 ccb->ccb_h.status = CAM_PATH_INVALID;
4328 } else if (ccb->ccb_h.target_lun > (ISP_MAX_LUNS(isp) - 1)) {
4329 xpt_print(ccb->ccb_h.path, "invalid lun\n");
4330 ccb->ccb_h.status = CAM_PATH_INVALID;
4331 }
4332 if (ccb->ccb_h.status == CAM_PATH_INVALID) {
4333 xpt_done(ccb);
4334 break;
4335 }
4336 #endif
4337 ccb->csio.scsi_status = SCSI_STATUS_OK;
4338 if (isp_get_pcmd(isp, ccb)) {
4339 isp_prt(isp, ISP_LOGWARN, "out of PCMDs");
4340 cam_freeze_devq(ccb->ccb_h.path);
4341 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 250, 0);
4342 xpt_done(ccb);
4343 break;
4344 }
4345 error = isp_start((XS_T *) ccb);
4346 switch (error) {
4347 case CMD_QUEUED:
4348 XS_CMD_S_CLEAR(ccb);
4349 ccb->ccb_h.status |= CAM_SIM_QUEUED;
4350 if (ccb->ccb_h.timeout == CAM_TIME_INFINITY) {
4351 break;
4352 }
4353 ts = ccb->ccb_h.timeout;
4354 if (ts == CAM_TIME_DEFAULT) {
4355 ts = 60*1000;
4356 }
4357 ts = isp_mstohz(ts);
4358 XS_S_TACTIVE(ccb);
4359 callout_reset(&PISP_PCMD(ccb)->wdog, ts, isp_watchdog, ccb);
4360 break;
4361 case CMD_RQLATER:
4362 /*
4363 * We get this result for FC devices if the loop state isn't ready yet
4364 * or if the device in question has gone zombie on us.
4365 *
4366 * If we've never seen Loop UP at all, we requeue this request and wait
4367 * for the initial loop up delay to expire.
4368 */
4369 lim = ISP_FC_PC(isp, bus)->loop_down_limit;
4370 if (FCPARAM(isp, bus)->loop_seen_once == 0 || ISP_FC_PC(isp, bus)->loop_down_time >= lim) {
4371 if (FCPARAM(isp, bus)->loop_seen_once == 0) {
4372 isp_prt(isp, ISP_LOGDEBUG0, "%d.%d loop not seen yet @ %lu", XS_TGT(ccb), XS_LUN(ccb), (unsigned long) time_second);
4373 } else {
4374 isp_prt(isp, ISP_LOGDEBUG0, "%d.%d downtime (%d) > lim (%d)", XS_TGT(ccb), XS_LUN(ccb), ISP_FC_PC(isp, bus)->loop_down_time, lim);
4375 }
4376 ccb->ccb_h.status = CAM_SEL_TIMEOUT|CAM_DEV_QFRZN;
4377 xpt_freeze_devq(ccb->ccb_h.path, 1);
4378 isp_free_pcmd(isp, ccb);
4379 xpt_done(ccb);
4380 break;
4381 }
4382 isp_prt(isp, ISP_LOGDEBUG0, "%d.%d retry later", XS_TGT(ccb), XS_LUN(ccb));
4383 cam_freeze_devq(ccb->ccb_h.path);
4384 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0);
4385 XS_SETERR(ccb, CAM_REQUEUE_REQ);
4386 isp_free_pcmd(isp, ccb);
4387 xpt_done(ccb);
4388 break;
4389 case CMD_EAGAIN:
4390 isp_free_pcmd(isp, ccb);
4391 cam_freeze_devq(ccb->ccb_h.path);
4392 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 100, 0);
4393 XS_SETERR(ccb, CAM_REQUEUE_REQ);
4394 xpt_done(ccb);
4395 break;
4396 case CMD_COMPLETE:
4397 isp_done((struct ccb_scsiio *) ccb);
4398 break;
4399 default:
4400 isp_prt(isp, ISP_LOGERR, "What's this? 0x%x at %d in file %s", error, __LINE__, __FILE__);
4401 XS_SETERR(ccb, CAM_REQ_CMP_ERR);
4402 isp_free_pcmd(isp, ccb);
4403 xpt_done(ccb);
4404 }
4405 break;
4406
4407 #ifdef ISP_TARGET_MODE
4408 case XPT_EN_LUN: /* Enable/Disable LUN as a target */
4409 if (ccb->cel.enable) {
4410 isp_enable_lun(isp, ccb);
4411 } else {
4412 isp_disable_lun(isp, ccb);
4413 }
4414 break;
4415 case XPT_IMMED_NOTIFY:
4416 case XPT_IMMEDIATE_NOTIFY: /* Add Immediate Notify Resource */
4417 case XPT_ACCEPT_TARGET_IO: /* Add Accept Target IO Resource */
4418 {
4419 tstate_t *tptr = get_lun_statep(isp, XS_CHANNEL(ccb), ccb->ccb_h.target_lun);
4420 if (tptr == NULL) {
4421 tptr = get_lun_statep(isp, XS_CHANNEL(ccb), CAM_LUN_WILDCARD);
4422 }
4423 if (tptr == NULL) {
4424 const char *str;
4425 uint32_t tag;
4426
4427 if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) {
4428 str = "XPT_IMMEDIATE_NOTIFY";
4429 tag = ccb->cin1.seq_id;
4430 } else {
4431 tag = ccb->atio.tag_id;
4432 str = "XPT_ACCEPT_TARGET_IO";
4433 }
4434 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "%s: [0x%x] no state pointer found for %s\n", __func__, tag, str);
4435 dump_tstates(isp, XS_CHANNEL(ccb));
4436 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
4437 break;
4438 }
4439 ccb->ccb_h.sim_priv.entries[0].field = 0;
4440 ccb->ccb_h.sim_priv.entries[1].ptr = isp;
4441 ccb->ccb_h.flags = 0;
4442
4443 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) {
4444 if (ccb->atio.tag_id) {
4445 atio_private_data_t *atp = isp_get_atpd(isp, tptr, ccb->atio.tag_id);
4446 if (atp) {
4447 isp_put_atpd(isp, tptr, atp);
4448 }
4449 }
4450 tptr->atio_count++;
4451 SLIST_INSERT_HEAD(&tptr->atios, &ccb->ccb_h, sim_links.sle);
4452 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "Put FREE ATIO (tag id 0x%x), count now %d\n",
4453 ((struct ccb_accept_tio *)ccb)->tag_id, tptr->atio_count);
4454 } else if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) {
4455 if (ccb->cin1.tag_id) {
4456 inot_private_data_t *ntp = isp_find_ntpd(isp, tptr, ccb->cin1.tag_id, ccb->cin1.seq_id);
4457 if (ntp) {
4458 isp_put_ntpd(isp, tptr, ntp);
4459 }
4460 }
4461 tptr->inot_count++;
4462 SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle);
4463 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "Put FREE INOT, (seq id 0x%x) count now %d\n",
4464 ((struct ccb_immediate_notify *)ccb)->seq_id, tptr->inot_count);
4465 } else if (ccb->ccb_h.func_code == XPT_IMMED_NOTIFY) {
4466 tptr->inot_count++;
4467 SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle);
4468 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "Put FREE INOT, (seq id 0x%x) count now %d\n",
4469 ((struct ccb_immediate_notify *)ccb)->seq_id, tptr->inot_count);
4470 }
4471 rls_lun_statep(isp, tptr);
4472 ccb->ccb_h.status = CAM_REQ_INPROG;
4473 break;
4474 }
4475 case XPT_NOTIFY_ACK:
4476 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
4477 break;
4478 case XPT_NOTIFY_ACKNOWLEDGE: /* notify ack */
4479 {
4480 tstate_t *tptr;
4481 inot_private_data_t *ntp;
4482
4483 /*
4484 * XXX: Because we cannot guarantee that the path information in the notify acknowledge ccb
4485 * XXX: matches that for the immediate notify, we have to *search* for the notify structure
4486 */
4487 /*
4488 * All the relevant path information is in the associated immediate notify
4489 */
4490 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "%s: [0x%x] NOTIFY ACKNOWLEDGE for 0x%x seen\n", __func__, ccb->cna2.tag_id, ccb->cna2.seq_id);
4491 ntp = get_ntp_from_tagdata(isp, ccb->cna2.tag_id, ccb->cna2.seq_id, &tptr);
4492 if (ntp == NULL) {
4493 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "%s: [0x%x] XPT_NOTIFY_ACKNOWLEDGE of 0x%x cannot find ntp private data\n", __func__,
4494 ccb->cna2.tag_id, ccb->cna2.seq_id);
4495 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
4496 xpt_done(ccb);
4497 break;
4498 }
4499 if (isp_handle_platform_target_notify_ack(isp, &ntp->rd.nt)) {
4500 rls_lun_statep(isp, tptr);
4501 cam_freeze_devq(ccb->ccb_h.path);
4502 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0);
4503 XS_SETERR(ccb, CAM_REQUEUE_REQ);
4504 break;
4505 }
4506 isp_put_ntpd(isp, tptr, ntp);
4507 rls_lun_statep(isp, tptr);
4508 ccb->ccb_h.status = CAM_REQ_CMP;
4509 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "%s: [0x%x] calling xpt_done for tag 0x%x\n", __func__, ccb->cna2.tag_id, ccb->cna2.seq_id);
4510 xpt_done(ccb);
4511 break;
4512 }
4513 case XPT_CONT_TARGET_IO:
4514 isp_target_start_ctio(isp, ccb);
4515 break;
4516 #endif
4517 case XPT_RESET_DEV: /* BDR the specified SCSI device */
4518
4519 bus = cam_sim_bus(xpt_path_sim(ccb->ccb_h.path));
4520 tgt = ccb->ccb_h.target_id;
4521 tgt |= (bus << 16);
4522
4523 error = isp_control(isp, ISPCTL_RESET_DEV, bus, tgt);
4524 if (error) {
4525 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
4526 } else {
4527 ccb->ccb_h.status = CAM_REQ_CMP;
4528 }
4529 xpt_done(ccb);
4530 break;
4531 case XPT_ABORT: /* Abort the specified CCB */
4532 {
4533 union ccb *accb = ccb->cab.abort_ccb;
4534 switch (accb->ccb_h.func_code) {
4535 #ifdef ISP_TARGET_MODE
4536 case XPT_ACCEPT_TARGET_IO:
4537 isp_target_mark_aborted(isp, accb);
4538 break;
4539 #endif
4540 case XPT_SCSI_IO:
4541 error = isp_control(isp, ISPCTL_ABORT_CMD, ccb);
4542 if (error) {
4543 ccb->ccb_h.status = CAM_UA_ABORT;
4544 } else {
4545 ccb->ccb_h.status = CAM_REQ_CMP;
4546 }
4547 break;
4548 default:
4549 ccb->ccb_h.status = CAM_REQ_INVALID;
4550 break;
4551 }
4552 /*
4553 * This is not a queued CCB, so the caller expects it to be
4554 * complete when control is returned.
4555 */
4556 break;
4557 }
4558 #define IS_CURRENT_SETTINGS(c) (c->type == CTS_TYPE_CURRENT_SETTINGS)
4559 case XPT_SET_TRAN_SETTINGS: /* Nexus Settings */
4560 cts = &ccb->cts;
4561 if (!IS_CURRENT_SETTINGS(cts)) {
4562 ccb->ccb_h.status = CAM_REQ_INVALID;
4563 xpt_done(ccb);
4564 break;
4565 }
4566 tgt = cts->ccb_h.target_id;
4567 bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path));
4568 if (IS_SCSI(isp)) {
4569 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
4570 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi;
4571 sdparam *sdp = SDPARAM(isp, bus);
4572 uint16_t *dptr;
4573
4574 if (spi->valid == 0 && scsi->valid == 0) {
4575 ccb->ccb_h.status = CAM_REQ_CMP;
4576 xpt_done(ccb);
4577 break;
4578 }
4579
4580 /*
4581 * We always update (internally) from goal_flags
4582 * so any request to change settings just gets
4583 * vectored to that location.
4584 */
4585 dptr = &sdp->isp_devparam[tgt].goal_flags;
4586
4587 if ((spi->valid & CTS_SPI_VALID_DISC) != 0) {
4588 if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0)
4589 *dptr |= DPARM_DISC;
4590 else
4591 *dptr &= ~DPARM_DISC;
4592 }
4593
4594 if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) {
4595 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0)
4596 *dptr |= DPARM_TQING;
4597 else
4598 *dptr &= ~DPARM_TQING;
4599 }
4600
4601 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) {
4602 if (spi->bus_width == MSG_EXT_WDTR_BUS_16_BIT)
4603 *dptr |= DPARM_WIDE;
4604 else
4605 *dptr &= ~DPARM_WIDE;
4606 }
4607
4608 /*
4609 * XXX: FIX ME
4610 */
4611 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) && (spi->valid & CTS_SPI_VALID_SYNC_RATE) && (spi->sync_period && spi->sync_offset)) {
4612 *dptr |= DPARM_SYNC;
4613 /*
4614 * XXX: CHECK FOR LEGALITY
4615 */
4616 sdp->isp_devparam[tgt].goal_period = spi->sync_period;
4617 sdp->isp_devparam[tgt].goal_offset = spi->sync_offset;
4618 } else {
4619 *dptr &= ~DPARM_SYNC;
4620 }
4621 isp_prt(isp, ISP_LOGDEBUG0, "SET (%d.%d.%d) to flags %x off %x per %x", bus, tgt, cts->ccb_h.target_lun, sdp->isp_devparam[tgt].goal_flags,
4622 sdp->isp_devparam[tgt].goal_offset, sdp->isp_devparam[tgt].goal_period);
4623 sdp->isp_devparam[tgt].dev_update = 1;
4624 sdp->update = 1;
4625 }
4626 ccb->ccb_h.status = CAM_REQ_CMP;
4627 xpt_done(ccb);
4628 break;
4629 case XPT_GET_TRAN_SETTINGS:
4630 cts = &ccb->cts;
4631 tgt = cts->ccb_h.target_id;
4632 bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path));
4633 if (IS_FC(isp)) {
4634 fcparam *fcp = FCPARAM(isp, bus);
4635 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
4636 struct ccb_trans_settings_fc *fc = &cts->xport_specific.fc;
4637 unsigned int hdlidx;
4638
4639 cts->protocol = PROTO_SCSI;
4640 cts->protocol_version = SCSI_REV_2;
4641 cts->transport = XPORT_FC;
4642 cts->transport_version = 0;
4643
4644 scsi->valid = CTS_SCSI_VALID_TQ;
4645 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
4646 fc->valid = CTS_FC_VALID_SPEED;
4647 fc->bitrate = 100000;
4648 fc->bitrate *= fcp->isp_gbspeed;
4649 hdlidx = fcp->isp_dev_map[tgt] - 1;
4650 if (hdlidx < MAX_FC_TARG) {
4651 fcportdb_t *lp = &fcp->portdb[hdlidx];
4652 fc->wwnn = lp->node_wwn;
4653 fc->wwpn = lp->port_wwn;
4654 fc->port = lp->portid;
4655 fc->valid |= CTS_FC_VALID_WWNN | CTS_FC_VALID_WWPN | CTS_FC_VALID_PORT;
4656 }
4657 } else {
4658 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
4659 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi;
4660 sdparam *sdp = SDPARAM(isp, bus);
4661 uint16_t dval, pval, oval;
4662
4663 if (IS_CURRENT_SETTINGS(cts)) {
4664 sdp->isp_devparam[tgt].dev_refresh = 1;
4665 sdp->update = 1;
4666 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus);
4667 dval = sdp->isp_devparam[tgt].actv_flags;
4668 oval = sdp->isp_devparam[tgt].actv_offset;
4669 pval = sdp->isp_devparam[tgt].actv_period;
4670 } else {
4671 dval = sdp->isp_devparam[tgt].nvrm_flags;
4672 oval = sdp->isp_devparam[tgt].nvrm_offset;
4673 pval = sdp->isp_devparam[tgt].nvrm_period;
4674 }
4675
4676 cts->protocol = PROTO_SCSI;
4677 cts->protocol_version = SCSI_REV_2;
4678 cts->transport = XPORT_SPI;
4679 cts->transport_version = 2;
4680
4681 spi->valid = 0;
4682 scsi->valid = 0;
4683 spi->flags = 0;
4684 scsi->flags = 0;
4685 if (dval & DPARM_DISC) {
4686 spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
4687 }
4688 if ((dval & DPARM_SYNC) && oval && pval) {
4689 spi->sync_offset = oval;
4690 spi->sync_period = pval;
4691 } else {
4692 spi->sync_offset = 0;
4693 spi->sync_period = 0;
4694 }
4695 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET;
4696 spi->valid |= CTS_SPI_VALID_SYNC_RATE;
4697 spi->valid |= CTS_SPI_VALID_BUS_WIDTH;
4698 if (dval & DPARM_WIDE) {
4699 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
4700 } else {
4701 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
4702 }
4703 if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) {
4704 scsi->valid = CTS_SCSI_VALID_TQ;
4705 if (dval & DPARM_TQING) {
4706 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
4707 }
4708 spi->valid |= CTS_SPI_VALID_DISC;
4709 }
4710 isp_prt(isp, ISP_LOGDEBUG0, "GET %s (%d.%d.%d) to flags %x off %x per %x", IS_CURRENT_SETTINGS(cts)? "ACTIVE" : "NVRAM",
4711 bus, tgt, cts->ccb_h.target_lun, dval, oval, pval);
4712 }
4713 ccb->ccb_h.status = CAM_REQ_CMP;
4714 xpt_done(ccb);
4715 break;
4716
4717 case XPT_CALC_GEOMETRY:
4718 cam_calc_geometry(&ccb->ccg, 1);
4719 xpt_done(ccb);
4720 break;
4721
4722 case XPT_RESET_BUS: /* Reset the specified bus */
4723 bus = cam_sim_bus(sim);
4724 error = isp_control(isp, ISPCTL_RESET_BUS, bus);
4725 if (error) {
4726 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
4727 xpt_done(ccb);
4728 break;
4729 }
4730 if (bootverbose) {
4731 xpt_print(ccb->ccb_h.path, "reset bus on channel %d\n", bus);
4732 }
4733 if (IS_FC(isp)) {
4734 xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, 0);
4735 } else {
4736 xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, 0);
4737 }
4738 ccb->ccb_h.status = CAM_REQ_CMP;
4739 xpt_done(ccb);
4740 break;
4741
4742 case XPT_TERM_IO: /* Terminate the I/O process */
4743 ccb->ccb_h.status = CAM_REQ_INVALID;
4744 xpt_done(ccb);
4745 break;
4746
4747 #if 0
4748 case XPT_SET_SIM_KNOB: /* Set SIM knobs */
4749 {
4750 struct ccb_sim_knob *kp = &ccb->knob;
4751 fcparam *fcp;
4752
4753
4754 if (!IS_FC(isp)) {
4755 ccb->ccb_h.status = CAM_REQ_INVALID;
4756 xpt_done(ccb);
4757 break;
4758 }
4759
4760 bus = cam_sim_bus(xpt_path_sim(kp->ccb_h.path));
4761 fcp = FCPARAM(isp, bus);
4762
4763 if (kp->xport_specific.fc.valid & KNOB_VALID_ADDRESS) {
4764 fcp->isp_wwnn = ISP_FC_PC(isp, bus)->def_wwnn = kp->xport_specific.fc.wwnn;
4765 fcp->isp_wwpn = ISP_FC_PC(isp, bus)->def_wwpn = kp->xport_specific.fc.wwpn;
4766 isp_prt(isp, ISP_LOGALL, "Setting Channel %d wwns to 0x%jx 0x%jx", bus, fcp->isp_wwnn, fcp->isp_wwpn);
4767 }
4768 ccb->ccb_h.status = CAM_REQ_CMP;
4769 if (kp->xport_specific.fc.valid & KNOB_VALID_ROLE) {
4770 int rchange = 0;
4771 int newrole = 0;
4772
4773 switch (kp->xport_specific.fc.role) {
4774 case KNOB_ROLE_NONE:
4775 if (fcp->role != ISP_ROLE_NONE) {
4776 rchange = 1;
4777 newrole = ISP_ROLE_NONE;
4778 }
4779 break;
4780 case KNOB_ROLE_TARGET:
4781 if (fcp->role != ISP_ROLE_TARGET) {
4782 rchange = 1;
4783 newrole = ISP_ROLE_TARGET;
4784 }
4785 break;
4786 case KNOB_ROLE_INITIATOR:
4787 if (fcp->role != ISP_ROLE_INITIATOR) {
4788 rchange = 1;
4789 newrole = ISP_ROLE_INITIATOR;
4790 }
4791 break;
4792 case KNOB_ROLE_BOTH:
4793 #if 0
4794 if (fcp->role != ISP_ROLE_BOTH) {
4795 rchange = 1;
4796 newrole = ISP_ROLE_BOTH;
4797 }
4798 #else
4799 /*
4800 * We don't really support dual role at present on FC cards.
4801 *
4802 * We should, but a bunch of things are currently broken,
4803 * so don't allow it.
4804 */
4805 isp_prt(isp, ISP_LOGERR, "cannot support dual role at present");
4806 ccb->ccb_h.status = CAM_REQ_INVALID;
4807 #endif
4808 break;
4809 }
4810 if (rchange) {
4811 if (isp_fc_change_role(isp, bus, newrole) != 0) {
4812 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
4813 #ifdef ISP_TARGET_MODE
4814 } else if (newrole == ISP_ROLE_TARGET || newrole == ISP_ROLE_BOTH) {
4815 isp_enable_deferred_luns(isp, bus);
4816 #endif
4817 }
4818 }
4819 }
4820 xpt_done(ccb);
4821 break;
4822 }
4823 case XPT_GET_SIM_KNOB: /* Set SIM knobs */
4824 {
4825 struct ccb_sim_knob *kp = &ccb->knob;
4826
4827 if (IS_FC(isp)) {
4828 fcparam *fcp;
4829
4830 bus = cam_sim_bus(xpt_path_sim(kp->ccb_h.path));
4831 fcp = FCPARAM(isp, bus);
4832
4833 kp->xport_specific.fc.wwnn = fcp->isp_wwnn;
4834 kp->xport_specific.fc.wwpn = fcp->isp_wwpn;
4835 switch (fcp->role) {
4836 case ISP_ROLE_NONE:
4837 kp->xport_specific.fc.role = KNOB_ROLE_NONE;
4838 break;
4839 case ISP_ROLE_TARGET:
4840 kp->xport_specific.fc.role = KNOB_ROLE_TARGET;
4841 break;
4842 case ISP_ROLE_INITIATOR:
4843 kp->xport_specific.fc.role = KNOB_ROLE_INITIATOR;
4844 break;
4845 case ISP_ROLE_BOTH:
4846 kp->xport_specific.fc.role = KNOB_ROLE_BOTH;
4847 break;
4848 }
4849 kp->xport_specific.fc.valid = KNOB_VALID_ADDRESS | KNOB_VALID_ROLE;
4850 ccb->ccb_h.status = CAM_REQ_CMP;
4851 } else {
4852 ccb->ccb_h.status = CAM_REQ_INVALID;
4853 }
4854 xpt_done(ccb);
4855 break;
4856 }
4857 #endif
4858 case XPT_PATH_INQ: /* Path routing inquiry */
4859 {
4860 struct ccb_pathinq *cpi = &ccb->cpi;
4861
4862 cpi->version_num = 1;
4863 #ifdef ISP_TARGET_MODE
4864 cpi->target_sprt = PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO;
4865 #else
4866 cpi->target_sprt = 0;
4867 #endif
4868 cpi->hba_eng_cnt = 0;
4869 cpi->max_target = ISP_MAX_TARGETS(isp) - 1;
4870 cpi->max_lun = ISP_MAX_LUNS(isp) - 1;
4871 cpi->bus_id = cam_sim_bus(sim);
4872 bus = cam_sim_bus(xpt_path_sim(cpi->ccb_h.path));
4873 if (IS_FC(isp)) {
4874 fcparam *fcp = FCPARAM(isp, bus);
4875
4876 cpi->hba_misc = PIM_NOBUSRESET;
4877
4878 /*
4879 * Because our loop ID can shift from time to time,
4880 * make our initiator ID out of range of our bus.
4881 */
4882 cpi->initiator_id = cpi->max_target + 1;
4883
4884 /*
4885 * Set base transfer capabilities for Fibre Channel, for this HBA.
4886 */
4887 if (IS_25XX(isp)) {
4888 cpi->base_transfer_speed = 8000000;
4889 } else if (IS_24XX(isp)) {
4890 cpi->base_transfer_speed = 4000000;
4891 } else if (IS_23XX(isp)) {
4892 cpi->base_transfer_speed = 2000000;
4893 } else {
4894 cpi->base_transfer_speed = 1000000;
4895 }
4896 cpi->hba_inquiry = PI_TAG_ABLE;
4897 cpi->transport = XPORT_FC;
4898 cpi->transport_version = 0;
4899 cpi->xport_specific.fc.wwnn = fcp->isp_wwnn;
4900 cpi->xport_specific.fc.wwpn = fcp->isp_wwpn;
4901 cpi->xport_specific.fc.port = fcp->isp_portid;
4902 cpi->xport_specific.fc.bitrate = fcp->isp_gbspeed * 1000;
4903 } else {
4904 sdparam *sdp = SDPARAM(isp, bus);
4905 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16;
4906 cpi->hba_misc = 0;
4907 cpi->initiator_id = sdp->isp_initiator_id;
4908 cpi->base_transfer_speed = 3300;
4909 cpi->transport = XPORT_SPI;
4910 cpi->transport_version = 2;
4911 }
4912 cpi->protocol = PROTO_SCSI;
4913 cpi->protocol_version = SCSI_REV_2;
4914 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
4915 strncpy(cpi->hba_vid, "Qlogic", HBA_IDLEN);
4916 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
4917 cpi->unit_number = cam_sim_unit(sim);
4918 cpi->ccb_h.status = CAM_REQ_CMP;
4919 xpt_done(ccb);
4920 break;
4921 }
4922 default:
4923 ccb->ccb_h.status = CAM_REQ_INVALID;
4924 xpt_done(ccb);
4925 break;
4926 }
4927 }
4928
4929 #define ISPDDB (CAM_DEBUG_INFO|CAM_DEBUG_TRACE|CAM_DEBUG_CDB)
4930
4931 void
isp_done(XS_T * sccb)4932 isp_done(XS_T *sccb)
4933 {
4934 ispsoftc_t *isp = XS_ISP(sccb);
4935 uint32_t status;
4936
4937 if (XS_NOERR(sccb))
4938 XS_SETERR(sccb, CAM_REQ_CMP);
4939
4940 if ((sccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && (sccb->scsi_status != SCSI_STATUS_OK)) {
4941 sccb->ccb_h.status &= ~CAM_STATUS_MASK;
4942 if ((sccb->scsi_status == SCSI_STATUS_CHECK_COND) && (sccb->ccb_h.status & CAM_AUTOSNS_VALID) == 0) {
4943 sccb->ccb_h.status |= CAM_AUTOSENSE_FAIL;
4944 } else {
4945 sccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR;
4946 }
4947 }
4948
4949 sccb->ccb_h.status &= ~CAM_SIM_QUEUED;
4950 status = sccb->ccb_h.status & CAM_STATUS_MASK;
4951 if (status != CAM_REQ_CMP) {
4952 if (status != CAM_SEL_TIMEOUT)
4953 isp_prt(isp, ISP_LOGDEBUG0, "target %d lun %d CAM status 0x%x SCSI status 0x%x", XS_TGT(sccb), XS_LUN(sccb), sccb->ccb_h.status, sccb->scsi_status);
4954 if ((sccb->ccb_h.status & CAM_DEV_QFRZN) == 0) {
4955 sccb->ccb_h.status |= CAM_DEV_QFRZN;
4956 xpt_freeze_devq(sccb->ccb_h.path, 1);
4957 }
4958 }
4959
4960 if ((CAM_DEBUGGED(sccb->ccb_h.path, ISPDDB)) && (sccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
4961 xpt_print(sccb->ccb_h.path, "cam completion status 0x%x\n", sccb->ccb_h.status);
4962 }
4963
4964 XS_CMD_S_DONE(sccb);
4965 if (XS_TACTIVE_P(sccb))
4966 callout_stop(&PISP_PCMD(sccb)->wdog);
4967 XS_CMD_S_CLEAR(sccb);
4968 isp_free_pcmd(isp, (union ccb *) sccb);
4969 xpt_done((union ccb *) sccb);
4970 }
4971
4972 void
isp_async(ispsoftc_t * isp,ispasync_t cmd,...)4973 isp_async(ispsoftc_t *isp, ispasync_t cmd, ...)
4974 {
4975 int bus;
4976 static const char prom[] = "Chan %d PortID 0x%06x handle 0x%x role %s %s WWPN 0x%08x%08x";
4977 static const char prom2[] = "Chan %d PortID 0x%06x handle 0x%x role %s %s tgt %u WWPN 0x%08x%08x";
4978 char *msg = NULL;
4979 target_id_t tgt;
4980 fcportdb_t *lp;
4981 struct isp_fc *fc;
4982 struct cam_path *tmppath;
4983 __va_list ap;
4984
4985 switch (cmd) {
4986 case ISPASYNC_NEW_TGT_PARAMS:
4987 {
4988 struct ccb_trans_settings_scsi *scsi;
4989 struct ccb_trans_settings_spi *spi;
4990 int flags, tgt;
4991 sdparam *sdp;
4992 struct ccb_trans_settings cts;
4993
4994 memset(&cts, 0, sizeof (struct ccb_trans_settings));
4995
4996 __va_start(ap, cmd);
4997 bus = __va_arg(ap, int);
4998 tgt = __va_arg(ap, int);
4999 __va_end(ap);
5000 sdp = SDPARAM(isp, bus);
5001
5002 if (xpt_create_path(&tmppath, NULL, cam_sim_path(ISP_SPI_PC(isp, bus)->sim), tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
5003 isp_prt(isp, ISP_LOGWARN, "isp_async cannot make temp path for %d.%d", tgt, bus);
5004 break;
5005 }
5006 flags = sdp->isp_devparam[tgt].actv_flags;
5007 cts.type = CTS_TYPE_CURRENT_SETTINGS;
5008 cts.protocol = PROTO_SCSI;
5009 cts.transport = XPORT_SPI;
5010
5011 scsi = &cts.proto_specific.scsi;
5012 spi = &cts.xport_specific.spi;
5013
5014 if (flags & DPARM_TQING) {
5015 scsi->valid |= CTS_SCSI_VALID_TQ;
5016 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
5017 }
5018
5019 if (flags & DPARM_DISC) {
5020 spi->valid |= CTS_SPI_VALID_DISC;
5021 spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
5022 }
5023 spi->flags |= CTS_SPI_VALID_BUS_WIDTH;
5024 if (flags & DPARM_WIDE) {
5025 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
5026 } else {
5027 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
5028 }
5029 if (flags & DPARM_SYNC) {
5030 spi->valid |= CTS_SPI_VALID_SYNC_RATE;
5031 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET;
5032 spi->sync_period = sdp->isp_devparam[tgt].actv_period;
5033 spi->sync_offset = sdp->isp_devparam[tgt].actv_offset;
5034 }
5035 isp_prt(isp, ISP_LOGDEBUG2, "NEW_TGT_PARAMS bus %d tgt %d period %x offset %x flags %x", bus, tgt, sdp->isp_devparam[tgt].actv_period, sdp->isp_devparam[tgt].actv_offset, flags);
5036 xpt_setup_ccb(&cts.ccb_h, tmppath, 1);
5037 xpt_async(AC_TRANSFER_NEG, tmppath, &cts);
5038 xpt_free_path(tmppath);
5039 break;
5040 }
5041 case ISPASYNC_BUS_RESET:
5042 {
5043 __va_start(ap, cmd);
5044 bus = __va_arg(ap, int);
5045 __va_end(ap);
5046 isp_prt(isp, ISP_LOGINFO, "SCSI bus reset on bus %d detected", bus);
5047 if (IS_FC(isp)) {
5048 xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, NULL);
5049 } else {
5050 xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, NULL);
5051 }
5052 break;
5053 }
5054 case ISPASYNC_LIP:
5055 if (msg == NULL) {
5056 msg = "LIP Received";
5057 }
5058 /* FALLTHROUGH */
5059 case ISPASYNC_LOOP_RESET:
5060 if (msg == NULL) {
5061 msg = "LOOP Reset";
5062 }
5063 /* FALLTHROUGH */
5064 case ISPASYNC_LOOP_DOWN:
5065 {
5066 if (msg == NULL) {
5067 msg = "LOOP Down";
5068 }
5069 __va_start(ap, cmd);
5070 bus = __va_arg(ap, int);
5071 __va_end(ap);
5072
5073 FCPARAM(isp, bus)->link_active = 0;
5074
5075 fc = ISP_FC_PC(isp, bus);
5076 if (cmd == ISPASYNC_LOOP_DOWN && fc->ready) {
5077 /*
5078 * We don't do any simq freezing if we are only in target mode
5079 */
5080 if (FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) {
5081 if (fc->path) {
5082 isp_freeze_loopdown(isp, bus, msg);
5083 }
5084 if (!callout_active(&fc->ldt)) {
5085 callout_reset(&fc->ldt, fc->loop_down_limit * hz, isp_ldt, fc);
5086 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "Starting Loop Down Timer @ %lu", (unsigned long) time_second);
5087 }
5088 }
5089 }
5090 isp_prt(isp, ISP_LOGINFO, "Chan %d: %s", bus, msg);
5091 break;
5092 }
5093 case ISPASYNC_LOOP_UP:
5094 __va_start(ap, cmd);
5095 bus = __va_arg(ap, int);
5096 __va_end(ap);
5097 fc = ISP_FC_PC(isp, bus);
5098 /*
5099 * Now we just note that Loop has come up. We don't
5100 * actually do anything because we're waiting for a
5101 * Change Notify before activating the FC cleanup
5102 * thread to look at the state of the loop again.
5103 */
5104 FCPARAM(isp, bus)->link_active = 1;
5105 fc->loop_dead = 0;
5106 fc->loop_down_time = 0;
5107 isp_prt(isp, ISP_LOGINFO, "Chan %d Loop UP", bus);
5108 break;
5109 case ISPASYNC_DEV_ARRIVED:
5110 __va_start(ap, cmd);
5111 bus = __va_arg(ap, int);
5112 lp = __va_arg(ap, fcportdb_t *);
5113 __va_end(ap);
5114 fc = ISP_FC_PC(isp, bus);
5115 lp->reserved = 0;
5116 lp->gone_timer = 0;
5117 if ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && (lp->roles & (SVC3_TGT_ROLE >> SVC3_ROLE_SHIFT))) {
5118 int dbidx = lp - FCPARAM(isp, bus)->portdb;
5119 int i;
5120
5121 for (i = 0; i < MAX_FC_TARG; i++) {
5122 if (i >= FL_ID && i <= SNS_ID) {
5123 continue;
5124 }
5125 if (FCPARAM(isp, bus)->isp_dev_map[i] == 0) {
5126 break;
5127 }
5128 }
5129 if (i < MAX_FC_TARG) {
5130 FCPARAM(isp, bus)->isp_dev_map[i] = dbidx + 1;
5131 lp->dev_map_idx = i + 1;
5132 } else {
5133 isp_prt(isp, ISP_LOGWARN, "out of target ids");
5134 isp_dump_portdb(isp, bus);
5135 }
5136 }
5137 if (lp->dev_map_idx) {
5138 tgt = lp->dev_map_idx - 1;
5139 isp_prt(isp, ISP_LOGCONFIG, prom2, bus, lp->portid, lp->handle, roles[lp->roles], "arrived at", tgt, (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5140 isp_make_here(isp, bus, tgt);
5141 } else {
5142 isp_prt(isp, ISP_LOGCONFIG, prom, bus, lp->portid, lp->handle, roles[lp->roles], "arrived", (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5143 }
5144 break;
5145 case ISPASYNC_DEV_CHANGED:
5146 __va_start(ap, cmd);
5147 bus = __va_arg(ap, int);
5148 lp = __va_arg(ap, fcportdb_t *);
5149 __va_end(ap);
5150 fc = ISP_FC_PC(isp, bus);
5151 lp->reserved = 0;
5152 lp->gone_timer = 0;
5153 if (isp_change_is_bad) {
5154 lp->state = FC_PORTDB_STATE_NIL;
5155 if (lp->dev_map_idx) {
5156 tgt = lp->dev_map_idx - 1;
5157 FCPARAM(isp, bus)->isp_dev_map[tgt] = 0;
5158 lp->dev_map_idx = 0;
5159 isp_prt(isp, ISP_LOGCONFIG, prom3, bus, lp->portid, tgt, "change is bad");
5160 isp_make_gone(isp, bus, tgt);
5161 } else {
5162 isp_prt(isp, ISP_LOGCONFIG, prom, bus, lp->portid, lp->handle, roles[lp->roles], "changed and departed",
5163 (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5164 }
5165 } else {
5166 lp->portid = lp->new_portid;
5167 lp->roles = lp->new_roles;
5168 if (lp->dev_map_idx) {
5169 int t = lp->dev_map_idx - 1;
5170 FCPARAM(isp, bus)->isp_dev_map[t] = (lp - FCPARAM(isp, bus)->portdb) + 1;
5171 tgt = lp->dev_map_idx - 1;
5172 isp_prt(isp, ISP_LOGCONFIG, prom2, bus, lp->portid, lp->handle, roles[lp->roles], "changed at", tgt,
5173 (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5174 } else {
5175 isp_prt(isp, ISP_LOGCONFIG, prom, bus, lp->portid, lp->handle, roles[lp->roles], "changed", (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5176 }
5177 }
5178 break;
5179 case ISPASYNC_DEV_STAYED:
5180 __va_start(ap, cmd);
5181 bus = __va_arg(ap, int);
5182 lp = __va_arg(ap, fcportdb_t *);
5183 __va_end(ap);
5184 if (lp->dev_map_idx) {
5185 tgt = lp->dev_map_idx - 1;
5186 isp_prt(isp, ISP_LOGCONFIG, prom2, bus, lp->portid, lp->handle, roles[lp->roles], "stayed at", tgt,
5187 (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5188 } else {
5189 isp_prt(isp, ISP_LOGCONFIG, prom, bus, lp->portid, lp->handle, roles[lp->roles], "stayed",
5190 (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5191 }
5192 break;
5193 case ISPASYNC_DEV_GONE:
5194 __va_start(ap, cmd);
5195 bus = __va_arg(ap, int);
5196 lp = __va_arg(ap, fcportdb_t *);
5197 __va_end(ap);
5198 fc = ISP_FC_PC(isp, bus);
5199 /*
5200 * If this has a virtual target and we haven't marked it
5201 * that we're going to have isp_gdt tell the OS it's gone,
5202 * set the isp_gdt timer running on it.
5203 *
5204 * If it isn't marked that isp_gdt is going to get rid of it,
5205 * announce that it's gone.
5206 *
5207 */
5208 if (lp->dev_map_idx && lp->reserved == 0) {
5209 lp->reserved = 1;
5210 lp->state = FC_PORTDB_STATE_ZOMBIE;
5211 lp->gone_timer = ISP_FC_PC(isp, bus)->gone_device_time;
5212 if (fc->ready && !callout_active(&fc->gdt)) {
5213 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "Chan %d Starting Gone Device Timer with %u seconds time now %lu", bus, lp->gone_timer, (unsigned long)time_second);
5214 callout_reset(&fc->gdt, hz, isp_gdt, fc);
5215 }
5216 tgt = lp->dev_map_idx - 1;
5217 isp_prt(isp, ISP_LOGCONFIG, prom2, bus, lp->portid, lp->handle, roles[lp->roles], "gone zombie at", tgt, (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5218 } else if (lp->reserved == 0) {
5219 isp_prt(isp, ISP_LOGCONFIG, prom, bus, lp->portid, lp->handle, roles[lp->roles], "departed", (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5220 }
5221 break;
5222 case ISPASYNC_CHANGE_NOTIFY:
5223 {
5224 char *msg;
5225 int evt, nphdl, nlstate, reason;
5226
5227 __va_start(ap, cmd);
5228 bus = __va_arg(ap, int);
5229 evt = __va_arg(ap, int);
5230 if (IS_24XX(isp) && evt == ISPASYNC_CHANGE_PDB) {
5231 nphdl = __va_arg(ap, int);
5232 nlstate = __va_arg(ap, int);
5233 reason = __va_arg(ap, int);
5234 } else {
5235 nphdl = NIL_HANDLE;
5236 nlstate = reason = 0;
5237 }
5238 __va_end(ap);
5239 fc = ISP_FC_PC(isp, bus);
5240
5241 if (evt == ISPASYNC_CHANGE_PDB) {
5242 msg = "Chan %d Port Database Changed";
5243 } else if (evt == ISPASYNC_CHANGE_SNS) {
5244 msg = "Chan %d Name Server Database Changed";
5245 } else {
5246 msg = "Chan %d Other Change Notify";
5247 }
5248
5249 /*
5250 * If the loop down timer is running, cancel it.
5251 */
5252 if (fc->ready && callout_active(&fc->ldt)) {
5253 isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "Stopping Loop Down Timer @ %lu", (unsigned long) time_second);
5254 callout_stop(&fc->ldt);
5255 }
5256 isp_prt(isp, ISP_LOGINFO, msg, bus);
5257 if (FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) {
5258 isp_freeze_loopdown(isp, bus, msg);
5259 }
5260 wakeup(fc);
5261 break;
5262 }
5263 #ifdef ISP_TARGET_MODE
5264 case ISPASYNC_TARGET_NOTIFY:
5265 {
5266 isp_notify_t *notify;
5267 __va_start(ap, cmd);
5268 notify = __va_arg(ap, isp_notify_t *);
5269 __va_end(ap);
5270 switch (notify->nt_ncode) {
5271 case NT_ABORT_TASK:
5272 case NT_ABORT_TASK_SET:
5273 case NT_CLEAR_ACA:
5274 case NT_CLEAR_TASK_SET:
5275 case NT_LUN_RESET:
5276 case NT_TARGET_RESET:
5277 /*
5278 * These are task management functions.
5279 */
5280 isp_handle_platform_target_tmf(isp, notify);
5281 break;
5282 case NT_BUS_RESET:
5283 case NT_LIP_RESET:
5284 case NT_LINK_UP:
5285 case NT_LINK_DOWN:
5286 /*
5287 * No action need be taken here.
5288 */
5289 break;
5290 case NT_HBA_RESET:
5291 isp_del_all_wwn_entries(isp, ISP_NOCHAN);
5292 break;
5293 case NT_LOGOUT:
5294 /*
5295 * This is device arrival/departure notification
5296 */
5297 isp_handle_platform_target_notify_ack(isp, notify);
5298 break;
5299 case NT_ARRIVED:
5300 {
5301 struct ac_contract ac;
5302 struct ac_device_changed *fc;
5303
5304 ac.contract_number = AC_CONTRACT_DEV_CHG;
5305 fc = (struct ac_device_changed *) ac.contract_data;
5306 fc->wwpn = notify->nt_wwn;
5307 fc->port = notify->nt_sid;
5308 fc->target = notify->nt_nphdl;
5309 fc->arrived = 1;
5310 xpt_async(AC_CONTRACT, ISP_FC_PC(isp, notify->nt_channel)->path, &ac);
5311 break;
5312 }
5313 case NT_DEPARTED:
5314 {
5315 struct ac_contract ac;
5316 struct ac_device_changed *fc;
5317
5318 ac.contract_number = AC_CONTRACT_DEV_CHG;
5319 fc = (struct ac_device_changed *) ac.contract_data;
5320 fc->wwpn = notify->nt_wwn;
5321 fc->port = notify->nt_sid;
5322 fc->target = notify->nt_nphdl;
5323 fc->arrived = 0;
5324 xpt_async(AC_CONTRACT, ISP_FC_PC(isp, notify->nt_channel)->path, &ac);
5325 break;
5326 }
5327 default:
5328 isp_prt(isp, ISP_LOGALL, "target notify code 0x%x", notify->nt_ncode);
5329 isp_handle_platform_target_notify_ack(isp, notify);
5330 break;
5331 }
5332 break;
5333 }
5334 case ISPASYNC_TARGET_ACTION:
5335 {
5336 isphdr_t *hp;
5337
5338 __va_start(ap, cmd);
5339 hp = __va_arg(ap, isphdr_t *);
5340 __va_end(ap);
5341 switch (hp->rqs_entry_type) {
5342 default:
5343 isp_prt(isp, ISP_LOGWARN, "%s: unhandled target action 0x%x", __func__, hp->rqs_entry_type);
5344 break;
5345 case RQSTYPE_NOTIFY:
5346 if (IS_SCSI(isp)) {
5347 isp_handle_platform_notify_scsi(isp, (in_entry_t *) hp);
5348 } else if (IS_24XX(isp)) {
5349 isp_handle_platform_notify_24xx(isp, (in_fcentry_24xx_t *) hp);
5350 } else {
5351 isp_handle_platform_notify_fc(isp, (in_fcentry_t *) hp);
5352 }
5353 break;
5354 case RQSTYPE_ATIO:
5355 if (IS_24XX(isp)) {
5356 isp_handle_platform_atio7(isp, (at7_entry_t *) hp);
5357 } else {
5358 isp_handle_platform_atio(isp, (at_entry_t *) hp);
5359 }
5360 break;
5361 case RQSTYPE_ATIO2:
5362 isp_handle_platform_atio2(isp, (at2_entry_t *) hp);
5363 break;
5364 case RQSTYPE_CTIO7:
5365 case RQSTYPE_CTIO3:
5366 case RQSTYPE_CTIO2:
5367 case RQSTYPE_CTIO:
5368 isp_handle_platform_ctio(isp, hp);
5369 break;
5370 case RQSTYPE_ABTS_RCVD:
5371 {
5372 abts_t *abts = (abts_t *)hp;
5373 isp_notify_t notify, *nt = ¬ify;
5374 tstate_t *tptr;
5375 fcportdb_t *lp;
5376 uint16_t chan;
5377 uint32_t sid, did;
5378
5379 did = (abts->abts_did_hi << 16) | abts->abts_did_lo;
5380 sid = (abts->abts_sid_hi << 16) | abts->abts_sid_lo;
5381 ISP_MEMZERO(nt, sizeof (isp_notify_t));
5382
5383 nt->nt_hba = isp;
5384 nt->nt_did = did;
5385 nt->nt_nphdl = abts->abts_nphdl;
5386 nt->nt_sid = sid;
5387 isp_find_chan_by_did(isp, did, &chan);
5388 if (chan == ISP_NOCHAN) {
5389 nt->nt_tgt = TGT_ANY;
5390 } else {
5391 nt->nt_tgt = FCPARAM(isp, chan)->isp_wwpn;
5392 if (isp_find_pdb_by_loopid(isp, chan, abts->abts_nphdl, &lp)) {
5393 nt->nt_wwn = lp->port_wwn;
5394 } else {
5395 nt->nt_wwn = INI_ANY;
5396 }
5397 }
5398 /*
5399 * Try hard to find the lun for this command.
5400 */
5401 tptr = get_lun_statep_from_tag(isp, chan, abts->abts_rxid_task);
5402 if (tptr) {
5403 nt->nt_lun = xpt_path_lun_id(tptr->owner);
5404 rls_lun_statep(isp, tptr);
5405 } else {
5406 nt->nt_lun = LUN_ANY;
5407 }
5408 nt->nt_need_ack = 1;
5409 nt->nt_tagval = abts->abts_rxid_task;
5410 nt->nt_tagval |= (((uint64_t) abts->abts_rxid_abts) << 32);
5411 if (abts->abts_rxid_task == ISP24XX_NO_TASK) {
5412 isp_prt(isp, ISP_LOGTINFO, "[0x%x] ABTS from N-Port handle 0x%x Port 0x%06x has no task id (rx_id 0x%04x ox_id 0x%04x)",
5413 abts->abts_rxid_abts, abts->abts_nphdl, sid, abts->abts_rx_id, abts->abts_ox_id);
5414 } else {
5415 isp_prt(isp, ISP_LOGTINFO, "[0x%x] ABTS from N-Port handle 0x%x Port 0x%06x for task 0x%x (rx_id 0x%04x ox_id 0x%04x)",
5416 abts->abts_rxid_abts, abts->abts_nphdl, sid, abts->abts_rxid_task, abts->abts_rx_id, abts->abts_ox_id);
5417 }
5418 nt->nt_channel = chan;
5419 nt->nt_ncode = NT_ABORT_TASK;
5420 nt->nt_lreserved = hp;
5421 isp_handle_platform_target_tmf(isp, nt);
5422 break;
5423 }
5424 case RQSTYPE_ENABLE_LUN:
5425 case RQSTYPE_MODIFY_LUN:
5426 isp_ledone(isp, (lun_entry_t *) hp);
5427 break;
5428 }
5429 break;
5430 }
5431 #endif
5432 case ISPASYNC_FW_CRASH:
5433 {
5434 uint16_t mbox1, mbox6;
5435 mbox1 = ISP_READ(isp, OUTMAILBOX1);
5436 if (IS_DUALBUS(isp)) {
5437 mbox6 = ISP_READ(isp, OUTMAILBOX6);
5438 } else {
5439 mbox6 = 0;
5440 }
5441 isp_prt(isp, ISP_LOGERR, "Internal Firmware Error on bus %d @ RISC Address 0x%x", mbox6, mbox1);
5442 mbox1 = isp->isp_osinfo.mbox_sleep_ok;
5443 isp->isp_osinfo.mbox_sleep_ok = 0;
5444 isp_reinit(isp, 1);
5445 isp->isp_osinfo.mbox_sleep_ok = mbox1;
5446 isp_async(isp, ISPASYNC_FW_RESTARTED, NULL);
5447 break;
5448 }
5449 default:
5450 isp_prt(isp, ISP_LOGERR, "unknown isp_async event %d", cmd);
5451 break;
5452 }
5453 }
5454
5455
5456 /*
5457 * Locks are held before coming here.
5458 */
5459 void
isp_uninit(ispsoftc_t * isp)5460 isp_uninit(ispsoftc_t *isp)
5461 {
5462 if (IS_24XX(isp)) {
5463 ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_RESET);
5464 } else {
5465 ISP_WRITE(isp, HCCR, HCCR_CMD_RESET);
5466 }
5467 ISP_DISABLE_INTS(isp);
5468 }
5469
5470 /*
5471 * When we want to get the 'default' WWNs (when lacking NVRAM), we pick them
5472 * up from our platform default (defww{p|n}n) and morph them based upon
5473 * channel.
5474 *
5475 * When we want to get the 'active' WWNs, we get NVRAM WWNs and then morph them
5476 * based upon channel.
5477 */
5478
5479 uint64_t
isp_default_wwn(ispsoftc_t * isp,int chan,int isactive,int iswwnn)5480 isp_default_wwn(ispsoftc_t * isp, int chan, int isactive, int iswwnn)
5481 {
5482 uint64_t seed;
5483 struct isp_fc *fc = ISP_FC_PC(isp, chan);
5484
5485 /*
5486 * If we're asking for a active WWN, the default overrides get
5487 * returned, otherwise the NVRAM value is picked.
5488 *
5489 * If we're asking for a default WWN, we just pick the default override.
5490 */
5491 if (isactive) {
5492 seed = iswwnn ? fc->def_wwnn : fc->def_wwpn;
5493 if (seed) {
5494 return (seed);
5495 }
5496 seed = iswwnn ? FCPARAM(isp, chan)->isp_wwnn_nvram : FCPARAM(isp, chan)->isp_wwpn_nvram;
5497 if (seed) {
5498 return (seed);
5499 }
5500 return (0x400000007F000009ull);
5501 } else {
5502 seed = iswwnn ? fc->def_wwnn : fc->def_wwpn;
5503 }
5504
5505
5506 /*
5507 * For channel zero just return what we have. For either ACTIVE or
5508 * DEFAULT cases, we depend on default override of NVRAM values for
5509 * channel zero.
5510 */
5511 if (chan == 0) {
5512 return (seed);
5513 }
5514
5515 /*
5516 * For other channels, we are doing one of three things:
5517 *
5518 * 1. If what we have now is non-zero, return it. Otherwise we morph
5519 * values from channel 0. 2. If we're here for a WWPN we synthesize
5520 * it if Channel 0's wwpn has a type 2 NAA. 3. If we're here for a
5521 * WWNN we synthesize it if Channel 0's wwnn has a type 2 NAA.
5522 */
5523
5524 if (seed) {
5525 return (seed);
5526 }
5527 if (isactive) {
5528 seed = iswwnn ? FCPARAM(isp, 0)->isp_wwnn_nvram : FCPARAM(isp, 0)->isp_wwpn_nvram;
5529 } else {
5530 seed = iswwnn ? ISP_FC_PC(isp, 0)->def_wwnn : ISP_FC_PC(isp, 0)->def_wwpn;
5531 }
5532
5533 if (((seed >> 60) & 0xf) == 2) {
5534 /*
5535 * The type 2 NAA fields for QLogic cards appear be laid out
5536 * thusly:
5537 *
5538 * bits 63..60 NAA == 2 bits 59..57 unused/zero bit 56
5539 * port (1) or node (0) WWN distinguishor bit 48
5540 * physical port on dual-port chips (23XX/24XX)
5541 *
5542 * This is somewhat nutty, particularly since bit 48 is
5543 * irrelevant as they assign separate serial numbers to
5544 * different physical ports anyway.
5545 *
5546 * We'll stick our channel number plus one first into bits
5547 * 57..59 and thence into bits 52..55 which allows for 8 bits
5548 * of channel which is comfortably more than our maximum
5549 * (126) now.
5550 */
5551 seed &= ~0x0FF0000000000000ULL;
5552 if (iswwnn == 0) {
5553 seed |= ((uint64_t) (chan + 1) & 0xf) << 56;
5554 seed |= ((uint64_t) ((chan + 1) >> 4) & 0xf) << 52;
5555 }
5556 } else {
5557 seed = 0;
5558 }
5559 return (seed);
5560 }
5561
5562 void
isp_prt(ispsoftc_t * isp,int level,const char * fmt,...)5563 isp_prt(ispsoftc_t *isp, int level, const char *fmt, ...)
5564 {
5565 int loc;
5566 char lbuf[128];
5567 __va_list ap;
5568
5569 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) {
5570 return;
5571 }
5572 ksprintf(lbuf, "%s: ", device_get_nameunit(isp->isp_dev));
5573 loc = strlen(lbuf);
5574 __va_start(ap, fmt);
5575 kvsnprintf(&lbuf[loc], sizeof (lbuf) - loc - 1, fmt, ap);
5576 __va_end(ap);
5577 kprintf("%s\n", lbuf);
5578 }
5579
5580 void
isp_xs_prt(ispsoftc_t * isp,XS_T * xs,int level,const char * fmt,...)5581 isp_xs_prt(ispsoftc_t *isp, XS_T *xs, int level, const char *fmt, ...)
5582 {
5583 __va_list ap;
5584 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) {
5585 return;
5586 }
5587 xpt_print_path(xs->ccb_h.path);
5588 __va_start(ap, fmt);
5589 kvprintf(fmt, ap);
5590 __va_end(ap);
5591 kprintf("\n");
5592 }
5593
5594 uint64_t
isp_nanotime_sub(struct timespec * b,struct timespec * a)5595 isp_nanotime_sub(struct timespec *b, struct timespec *a)
5596 {
5597 uint64_t elapsed;
5598 struct timespec x;
5599
5600 timespecsub(b, a, &x);
5601 elapsed = GET_NANOSEC(&x);
5602 if (elapsed == 0)
5603 elapsed++;
5604 return (elapsed);
5605 }
5606
5607 int
isp_mbox_acquire(ispsoftc_t * isp)5608 isp_mbox_acquire(ispsoftc_t *isp)
5609 {
5610 if (isp->isp_osinfo.mboxbsy) {
5611 return (1);
5612 } else {
5613 isp->isp_osinfo.mboxcmd_done = 0;
5614 isp->isp_osinfo.mboxbsy = 1;
5615 return (0);
5616 }
5617 }
5618
5619 void
isp_mbox_wait_complete(ispsoftc_t * isp,mbreg_t * mbp)5620 isp_mbox_wait_complete(ispsoftc_t *isp, mbreg_t *mbp)
5621 {
5622 unsigned int usecs = mbp->timeout;
5623 unsigned int max, olim, ilim;
5624
5625 if (usecs == 0) {
5626 usecs = MBCMD_DEFAULT_TIMEOUT;
5627 }
5628 max = isp->isp_mbxwrk0 + 1;
5629
5630 if (isp->isp_osinfo.mbox_sleep_ok) {
5631 unsigned int ms = (usecs + 999) / 1000;
5632
5633 isp->isp_osinfo.mbox_sleep_ok = 0;
5634 isp->isp_osinfo.mbox_sleeping = 1;
5635 for (olim = 0; olim < max; olim++) {
5636 lksleep(&isp->isp_mbxworkp, &isp->isp_osinfo.lock, 0, "ispmbx_sleep", isp_mstohz(ms));
5637 if (isp->isp_osinfo.mboxcmd_done) {
5638 break;
5639 }
5640 }
5641 isp->isp_osinfo.mbox_sleep_ok = 1;
5642 isp->isp_osinfo.mbox_sleeping = 0;
5643 } else {
5644 for (olim = 0; olim < max; olim++) {
5645 for (ilim = 0; ilim < usecs; ilim += 100) {
5646 uint32_t isr;
5647 uint16_t sema, mbox;
5648 if (isp->isp_osinfo.mboxcmd_done) {
5649 break;
5650 }
5651 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) {
5652 isp_intr(isp, isr, sema, mbox);
5653 if (isp->isp_osinfo.mboxcmd_done) {
5654 break;
5655 }
5656 }
5657 ISP_DELAY(100);
5658 }
5659 if (isp->isp_osinfo.mboxcmd_done) {
5660 break;
5661 }
5662 }
5663 }
5664 if (isp->isp_osinfo.mboxcmd_done == 0) {
5665 isp_prt(isp, ISP_LOGWARN, "%s Mailbox Command (0x%x) Timeout (%uus) (started @ %s:%d)",
5666 isp->isp_osinfo.mbox_sleep_ok? "Interrupting" : "Polled", isp->isp_lastmbxcmd, usecs, mbp->func, mbp->lineno);
5667 mbp->param[0] = MBOX_TIMEOUT;
5668 isp->isp_osinfo.mboxcmd_done = 1;
5669 }
5670 }
5671
5672 void
isp_mbox_notify_done(ispsoftc_t * isp)5673 isp_mbox_notify_done(ispsoftc_t *isp)
5674 {
5675 if (isp->isp_osinfo.mbox_sleeping) {
5676 wakeup(&isp->isp_mbxworkp);
5677 }
5678 isp->isp_osinfo.mboxcmd_done = 1;
5679 }
5680
5681 void
isp_mbox_release(ispsoftc_t * isp)5682 isp_mbox_release(ispsoftc_t *isp)
5683 {
5684 isp->isp_osinfo.mboxbsy = 0;
5685 }
5686
5687 int
isp_fc_scratch_acquire(ispsoftc_t * isp,int chan)5688 isp_fc_scratch_acquire(ispsoftc_t *isp, int chan)
5689 {
5690 int ret = 0;
5691 if (isp->isp_osinfo.pc.fc[chan].fcbsy) {
5692 ret = -1;
5693 } else {
5694 isp->isp_osinfo.pc.fc[chan].fcbsy = 1;
5695 }
5696 return (ret);
5697 }
5698
5699 int
isp_mstohz(int ms)5700 isp_mstohz(int ms)
5701 {
5702 int hz;
5703 struct timeval t;
5704 t.tv_sec = ms / 1000;
5705 t.tv_usec = (ms % 1000) * 1000;
5706 hz = tvtohz_high(&t);
5707 if (hz < 0) {
5708 hz = 0x7fffffff;
5709 }
5710 if (hz == 0) {
5711 hz = 1;
5712 }
5713 return (hz);
5714 }
5715
5716 void
isp_platform_intr(void * arg)5717 isp_platform_intr(void *arg)
5718 {
5719 ispsoftc_t *isp = arg;
5720 uint32_t isr;
5721 uint16_t sema, mbox;
5722
5723 ISP_LOCK(isp);
5724 isp->isp_intcnt++;
5725 if (ISP_READ_ISR(isp, &isr, &sema, &mbox) == 0) {
5726 isp->isp_intbogus++;
5727 } else {
5728 isp_intr(isp, isr, sema, mbox);
5729 }
5730 ISP_UNLOCK(isp);
5731 }
5732
5733 void
isp_common_dmateardown(ispsoftc_t * isp,struct ccb_scsiio * csio,uint32_t hdl)5734 isp_common_dmateardown(ispsoftc_t *isp, struct ccb_scsiio *csio, uint32_t hdl)
5735 {
5736 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
5737 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTREAD);
5738 } else {
5739 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTWRITE);
5740 }
5741 bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap);
5742 }
5743
5744 static void
isp_timer(void * arg)5745 isp_timer(void *arg)
5746 {
5747 ispsoftc_t *isp = arg;
5748
5749 ISP_LOCK(isp);
5750 #ifdef ISP_TARGET_MODE
5751 isp_tmcmd_restart(isp);
5752 #endif
5753 ISP_UNLOCK(isp);
5754 callout_reset(&isp->isp_osinfo.tmo, hz, isp_timer, isp);
5755 }
5756