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
27 /*
28 * Platform (FreeBSD) dependent common attachment code for Qlogic adapters.
29 */
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD: stable/9/sys/dev/isp/isp_freebsd.c 263384 2014-03-19 22:50:14Z dim $");
32 #include <dev/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 <sys/ioccom.h>
38 #include <dev/isp/isp_ioctl.h>
39 #include <sys/devicestat.h>
40 #include <cam/cam_periph.h>
41 #include <cam/cam_xpt_periph.h>
42
43 #if __FreeBSD_version < 800002
44 #define THREAD_CREATE kthread_create
45 #else
46 #define THREAD_CREATE kproc_create
47 #endif
48
49 MODULE_VERSION(isp, 1);
50 MODULE_DEPEND(isp, cam, 1, 1, 1);
51 int isp_announced = 0;
52 int isp_fabric_hysteresis = 5;
53 int isp_loop_down_limit = 60; /* default loop down limit */
54 int isp_change_is_bad = 0; /* "changed" devices are bad */
55 int isp_quickboot_time = 7; /* don't wait more than N secs for loop up */
56 int isp_gone_device_time = 30; /* grace time before reporting device lost */
57 int isp_autoconfig = 1; /* automatically attach/detach devices */
58 static const char prom3[] = "Chan %d PortID 0x%06x Departed from Target %u because of %s";
59
60 static void isp_freeze_loopdown(ispsoftc_t *, int, char *);
61 static d_ioctl_t ispioctl;
62 static void isp_intr_enable(void *);
63 static void isp_cam_async(void *, uint32_t, struct cam_path *, void *);
64 static void isp_poll(struct cam_sim *);
65 static timeout_t isp_watchdog;
66 static timeout_t isp_gdt;
67 static task_fn_t isp_gdt_task;
68 static timeout_t isp_ldt;
69 static task_fn_t isp_ldt_task;
70 static void isp_kthread(void *);
71 static void isp_action(struct cam_sim *, union ccb *);
72 #ifdef ISP_INTERNAL_TARGET
73 static void isp_target_thread_pi(void *);
74 static void isp_target_thread_fc(void *);
75 #endif
76 static int isp_timer_count;
77 static void isp_timer(void *);
78
79 static struct cdevsw isp_cdevsw = {
80 .d_version = D_VERSION,
81 .d_ioctl = ispioctl,
82 .d_name = "isp",
83 };
84
85 static int
isp_attach_chan(ispsoftc_t * isp,struct cam_devq * devq,int chan)86 isp_attach_chan(ispsoftc_t *isp, struct cam_devq *devq, int chan)
87 {
88 struct ccb_setasync csa;
89 struct cam_sim *sim;
90 struct cam_path *path;
91
92 /*
93 * Construct our SIM entry.
94 */
95 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);
96
97 if (sim == NULL) {
98 return (ENOMEM);
99 }
100
101 ISP_LOCK(isp);
102 if (xpt_bus_register(sim, isp->isp_dev, chan) != CAM_SUCCESS) {
103 ISP_UNLOCK(isp);
104 cam_sim_free(sim, FALSE);
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, FALSE);
113 return (ENXIO);
114 }
115 xpt_setup_ccb(&csa.ccb_h, path, 5);
116 csa.ccb_h.func_code = XPT_SASYNC_CB;
117 csa.event_enable = AC_LOST_DEVICE;
118 csa.callback = isp_cam_async;
119 csa.callback_arg = sim;
120
121 ISP_LOCK(isp);
122 xpt_action((union ccb *)&csa);
123 ISP_UNLOCK(isp);
124
125 if (IS_SCSI(isp)) {
126 struct isp_spi *spi = ISP_SPI_PC(isp, chan);
127 spi->sim = sim;
128 spi->path = path;
129 #ifdef ISP_INTERNAL_TARGET
130 ISP_SET_PC(isp, chan, proc_active, 1);
131 if (THREAD_CREATE(isp_target_thread_pi, spi, &spi->target_proc, 0, 0, "%s: isp_test_tgt%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) {
132 ISP_SET_PC(isp, chan, proc_active, 0);
133 isp_prt(isp, ISP_LOGERR, "cannot create test target thread");
134 }
135 #endif
136 } else {
137 fcparam *fcp = FCPARAM(isp, chan);
138 struct isp_fc *fc = ISP_FC_PC(isp, chan);
139
140 ISP_LOCK(isp);
141 fc->sim = sim;
142 fc->path = path;
143 fc->isp = isp;
144 fc->ready = 1;
145
146 callout_init_mtx(&fc->ldt, &isp->isp_osinfo.lock, 0);
147 callout_init_mtx(&fc->gdt, &isp->isp_osinfo.lock, 0);
148 TASK_INIT(&fc->ltask, 1, isp_ldt_task, fc);
149 TASK_INIT(&fc->gtask, 1, isp_gdt_task, fc);
150
151 /*
152 * We start by being "loop down" if we have an initiator role
153 */
154 if (fcp->role & ISP_ROLE_INITIATOR) {
155 isp_freeze_loopdown(isp, chan, "isp_attach");
156 callout_reset(&fc->ldt, isp_quickboot_time * hz, isp_ldt, fc);
157 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Starting Initial Loop Down Timer @ %lu", (unsigned long) time_uptime);
158 }
159 ISP_UNLOCK(isp);
160 if (THREAD_CREATE(isp_kthread, fc, &fc->kproc, 0, 0, "%s: fc_thrd%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) {
161 xpt_free_path(fc->path);
162 ISP_LOCK(isp);
163 if (callout_active(&fc->ldt))
164 callout_stop(&fc->ldt);
165 xpt_bus_deregister(cam_sim_path(fc->sim));
166 ISP_UNLOCK(isp);
167 cam_sim_free(fc->sim, FALSE);
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, 0, 0, "%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, "World Wide Node Name");
181 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "wwpn", CTLFLAG_RD, &FCPARAM(isp, 0)->isp_wwpn, "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 #if defined(ISP_TARGET_MODE) && defined(DEBUG)
185 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "inject_lost_data_frame", CTLFLAG_RW, &ISP_FC_PC(isp, 0)->inject_lost_data_frame, 0, "Cause a Lost Frame on a Read");
186 #endif
187 }
188 }
189 return (0);
190 }
191
192 int
isp_attach(ispsoftc_t * isp)193 isp_attach(ispsoftc_t *isp)
194 {
195 const char *nu = device_get_nameunit(isp->isp_osinfo.dev);
196 int du = device_get_unit(isp->isp_dev);
197 int chan;
198
199 isp->isp_osinfo.ehook.ich_func = isp_intr_enable;
200 isp->isp_osinfo.ehook.ich_arg = isp;
201 /*
202 * Haha. Set this first, because if we're loaded as a module isp_intr_enable
203 * will be called right awawy, which will clear isp_osinfo.ehook_active,
204 * which would be unwise to then set again later.
205 */
206 isp->isp_osinfo.ehook_active = 1;
207 if (config_intrhook_establish(&isp->isp_osinfo.ehook) != 0) {
208 isp_prt(isp, ISP_LOGERR, "could not establish interrupt enable hook");
209 return (-EIO);
210 }
211
212 /*
213 * Create the device queue for our SIM(s).
214 */
215 isp->isp_osinfo.devq = cam_simq_alloc(isp->isp_maxcmds);
216 if (isp->isp_osinfo.devq == NULL) {
217 config_intrhook_disestablish(&isp->isp_osinfo.ehook);
218 return (EIO);
219 }
220
221 for (chan = 0; chan < isp->isp_nchan; chan++) {
222 if (isp_attach_chan(isp, isp->isp_osinfo.devq, chan)) {
223 goto unwind;
224 }
225 }
226
227 callout_init_mtx(&isp->isp_osinfo.tmo, &isp->isp_osinfo.lock, 0);
228 isp_timer_count = hz >> 2;
229 callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp);
230 isp->isp_osinfo.timer_active = 1;
231
232 isp->isp_osinfo.cdev = make_dev(&isp_cdevsw, du, UID_ROOT, GID_OPERATOR, 0600, "%s", nu);
233 if (isp->isp_osinfo.cdev) {
234 isp->isp_osinfo.cdev->si_drv1 = isp;
235 }
236 return (0);
237
238 unwind:
239 while (--chan >= 0) {
240 struct cam_sim *sim;
241 struct cam_path *path;
242 if (IS_FC(isp)) {
243 sim = ISP_FC_PC(isp, chan)->sim;
244 path = ISP_FC_PC(isp, chan)->path;
245 } else {
246 sim = ISP_SPI_PC(isp, chan)->sim;
247 path = ISP_SPI_PC(isp, chan)->path;
248 }
249 xpt_free_path(path);
250 ISP_LOCK(isp);
251 xpt_bus_deregister(cam_sim_path(sim));
252 ISP_UNLOCK(isp);
253 cam_sim_free(sim, FALSE);
254 }
255 if (isp->isp_osinfo.ehook_active) {
256 config_intrhook_disestablish(&isp->isp_osinfo.ehook);
257 isp->isp_osinfo.ehook_active = 0;
258 }
259 if (isp->isp_osinfo.cdev) {
260 destroy_dev(isp->isp_osinfo.cdev);
261 isp->isp_osinfo.cdev = NULL;
262 }
263 cam_simq_free(isp->isp_osinfo.devq);
264 isp->isp_osinfo.devq = NULL;
265 return (-1);
266 }
267
268 int
isp_detach(ispsoftc_t * isp)269 isp_detach(ispsoftc_t *isp)
270 {
271 struct cam_sim *sim;
272 struct cam_path *path;
273 struct ccb_setasync csa;
274 int chan;
275
276 ISP_LOCK(isp);
277 for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1) {
278 if (IS_FC(isp)) {
279 sim = ISP_FC_PC(isp, chan)->sim;
280 path = ISP_FC_PC(isp, chan)->path;
281 } else {
282 sim = ISP_SPI_PC(isp, chan)->sim;
283 path = ISP_SPI_PC(isp, chan)->path;
284 }
285 if (sim->refcount > 2) {
286 ISP_UNLOCK(isp);
287 return (EBUSY);
288 }
289 }
290 if (isp->isp_osinfo.timer_active) {
291 callout_stop(&isp->isp_osinfo.tmo);
292 isp->isp_osinfo.timer_active = 0;
293 }
294 for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1) {
295 if (IS_FC(isp)) {
296 sim = ISP_FC_PC(isp, chan)->sim;
297 path = ISP_FC_PC(isp, chan)->path;
298 } else {
299 sim = ISP_SPI_PC(isp, chan)->sim;
300 path = ISP_SPI_PC(isp, chan)->path;
301 }
302 xpt_setup_ccb(&csa.ccb_h, path, 5);
303 csa.ccb_h.func_code = XPT_SASYNC_CB;
304 csa.event_enable = 0;
305 csa.callback = isp_cam_async;
306 csa.callback_arg = sim;
307 ISP_LOCK(isp);
308 xpt_action((union ccb *)&csa);
309 ISP_UNLOCK(isp);
310 xpt_free_path(path);
311 xpt_bus_deregister(cam_sim_path(sim));
312 cam_sim_free(sim, FALSE);
313 }
314 ISP_UNLOCK(isp);
315 if (isp->isp_osinfo.cdev) {
316 destroy_dev(isp->isp_osinfo.cdev);
317 isp->isp_osinfo.cdev = NULL;
318 }
319 if (isp->isp_osinfo.ehook_active) {
320 config_intrhook_disestablish(&isp->isp_osinfo.ehook);
321 isp->isp_osinfo.ehook_active = 0;
322 }
323 if (isp->isp_osinfo.devq != NULL) {
324 cam_simq_free(isp->isp_osinfo.devq);
325 isp->isp_osinfo.devq = NULL;
326 }
327 return (0);
328 }
329
330 static void
isp_freeze_loopdown(ispsoftc_t * isp,int chan,char * msg)331 isp_freeze_loopdown(ispsoftc_t *isp, int chan, char *msg)
332 {
333 if (IS_FC(isp)) {
334 struct isp_fc *fc = ISP_FC_PC(isp, chan);
335 if (fc->simqfrozen == 0) {
336 isp_prt(isp, ISP_LOGDEBUG0, "%s: freeze simq (loopdown) chan %d", msg, chan);
337 fc->simqfrozen = SIMQFRZ_LOOPDOWN;
338 xpt_freeze_simq(fc->sim, 1);
339 } else {
340 isp_prt(isp, ISP_LOGDEBUG0, "%s: mark frozen (loopdown) chan %d", msg, chan);
341 fc->simqfrozen |= SIMQFRZ_LOOPDOWN;
342 }
343 }
344 }
345
346 static void
isp_unfreeze_loopdown(ispsoftc_t * isp,int chan)347 isp_unfreeze_loopdown(ispsoftc_t *isp, int chan)
348 {
349 if (IS_FC(isp)) {
350 struct isp_fc *fc = ISP_FC_PC(isp, chan);
351 int wasfrozen = fc->simqfrozen & SIMQFRZ_LOOPDOWN;
352 fc->simqfrozen &= ~SIMQFRZ_LOOPDOWN;
353 if (wasfrozen && fc->simqfrozen == 0) {
354 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d releasing simq", __func__, chan);
355 xpt_release_simq(fc->sim, 1);
356 }
357 }
358 }
359
360
361 static int
ispioctl(struct cdev * dev,u_long c,caddr_t addr,int flags,struct thread * td)362 ispioctl(struct cdev *dev, u_long c, caddr_t addr, int flags, struct thread *td)
363 {
364 ispsoftc_t *isp;
365 int nr, chan, retval = ENOTTY;
366
367 isp = dev->si_drv1;
368
369 switch (c) {
370 case ISP_SDBLEV:
371 {
372 int olddblev = isp->isp_dblev;
373 isp->isp_dblev = *(int *)addr;
374 *(int *)addr = olddblev;
375 retval = 0;
376 break;
377 }
378 case ISP_GETROLE:
379 chan = *(int *)addr;
380 if (chan < 0 || chan >= isp->isp_nchan) {
381 retval = -ENXIO;
382 break;
383 }
384 if (IS_FC(isp)) {
385 *(int *)addr = FCPARAM(isp, chan)->role;
386 } else {
387 *(int *)addr = SDPARAM(isp, chan)->role;
388 }
389 retval = 0;
390 break;
391 case ISP_SETROLE:
392 nr = *(int *)addr;
393 chan = nr >> 8;
394 if (chan < 0 || chan >= isp->isp_nchan) {
395 retval = -ENXIO;
396 break;
397 }
398 nr &= 0xff;
399 if (nr & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) {
400 retval = EINVAL;
401 break;
402 }
403 if (IS_FC(isp)) {
404 /*
405 * We don't really support dual role at present on FC cards.
406 *
407 * We should, but a bunch of things are currently broken,
408 * so don't allow it.
409 */
410 if (nr == ISP_ROLE_BOTH) {
411 isp_prt(isp, ISP_LOGERR, "cannot support dual role at present");
412 retval = EINVAL;
413 break;
414 }
415 *(int *)addr = FCPARAM(isp, chan)->role;
416 #ifdef ISP_INTERNAL_TARGET
417 ISP_LOCK(isp);
418 retval = isp_fc_change_role(isp, chan, nr);
419 ISP_UNLOCK(isp);
420 #else
421 FCPARAM(isp, chan)->role = nr;
422 #endif
423 } else {
424 *(int *)addr = SDPARAM(isp, chan)->role;
425 SDPARAM(isp, chan)->role = nr;
426 }
427 retval = 0;
428 break;
429
430 case ISP_RESETHBA:
431 ISP_LOCK(isp);
432 #ifdef ISP_TARGET_MODE
433 isp_del_all_wwn_entries(isp, ISP_NOCHAN);
434 #endif
435 isp_reinit(isp, 0);
436 ISP_UNLOCK(isp);
437 retval = 0;
438 break;
439
440 case ISP_RESCAN:
441 if (IS_FC(isp)) {
442 chan = *(int *)addr;
443 if (chan < 0 || chan >= isp->isp_nchan) {
444 retval = -ENXIO;
445 break;
446 }
447 ISP_LOCK(isp);
448 if (isp_fc_runstate(isp, chan, 5 * 1000000)) {
449 retval = EIO;
450 } else {
451 retval = 0;
452 }
453 ISP_UNLOCK(isp);
454 }
455 break;
456
457 case ISP_FC_LIP:
458 if (IS_FC(isp)) {
459 chan = *(int *)addr;
460 if (chan < 0 || chan >= isp->isp_nchan) {
461 retval = -ENXIO;
462 break;
463 }
464 ISP_LOCK(isp);
465 if (isp_control(isp, ISPCTL_SEND_LIP, chan)) {
466 retval = EIO;
467 } else {
468 retval = 0;
469 }
470 ISP_UNLOCK(isp);
471 }
472 break;
473 case ISP_FC_GETDINFO:
474 {
475 struct isp_fc_device *ifc = (struct isp_fc_device *) addr;
476 fcportdb_t *lp;
477
478 if (IS_SCSI(isp)) {
479 break;
480 }
481 if (ifc->loopid >= MAX_FC_TARG) {
482 retval = EINVAL;
483 break;
484 }
485 lp = &FCPARAM(isp, ifc->chan)->portdb[ifc->loopid];
486 if (lp->state == FC_PORTDB_STATE_VALID || lp->target_mode) {
487 ifc->role = (lp->prli_word3 & SVC3_ROLE_MASK) >> SVC3_ROLE_SHIFT;
488 ifc->loopid = lp->handle;
489 ifc->portid = lp->portid;
490 ifc->node_wwn = lp->node_wwn;
491 ifc->port_wwn = lp->port_wwn;
492 retval = 0;
493 } else {
494 retval = ENODEV;
495 }
496 break;
497 }
498 case ISP_GET_STATS:
499 {
500 isp_stats_t *sp = (isp_stats_t *) addr;
501
502 ISP_MEMZERO(sp, sizeof (*sp));
503 sp->isp_stat_version = ISP_STATS_VERSION;
504 sp->isp_type = isp->isp_type;
505 sp->isp_revision = isp->isp_revision;
506 ISP_LOCK(isp);
507 sp->isp_stats[ISP_INTCNT] = isp->isp_intcnt;
508 sp->isp_stats[ISP_INTBOGUS] = isp->isp_intbogus;
509 sp->isp_stats[ISP_INTMBOXC] = isp->isp_intmboxc;
510 sp->isp_stats[ISP_INGOASYNC] = isp->isp_intoasync;
511 sp->isp_stats[ISP_RSLTCCMPLT] = isp->isp_rsltccmplt;
512 sp->isp_stats[ISP_FPHCCMCPLT] = isp->isp_fphccmplt;
513 sp->isp_stats[ISP_RSCCHIWAT] = isp->isp_rscchiwater;
514 sp->isp_stats[ISP_FPCCHIWAT] = isp->isp_fpcchiwater;
515 ISP_UNLOCK(isp);
516 retval = 0;
517 break;
518 }
519 case ISP_CLR_STATS:
520 ISP_LOCK(isp);
521 isp->isp_intcnt = 0;
522 isp->isp_intbogus = 0;
523 isp->isp_intmboxc = 0;
524 isp->isp_intoasync = 0;
525 isp->isp_rsltccmplt = 0;
526 isp->isp_fphccmplt = 0;
527 isp->isp_rscchiwater = 0;
528 isp->isp_fpcchiwater = 0;
529 ISP_UNLOCK(isp);
530 retval = 0;
531 break;
532 case ISP_FC_GETHINFO:
533 {
534 struct isp_hba_device *hba = (struct isp_hba_device *) addr;
535 int chan = hba->fc_channel;
536
537 if (chan < 0 || chan >= isp->isp_nchan) {
538 retval = ENXIO;
539 break;
540 }
541 hba->fc_fw_major = ISP_FW_MAJORX(isp->isp_fwrev);
542 hba->fc_fw_minor = ISP_FW_MINORX(isp->isp_fwrev);
543 hba->fc_fw_micro = ISP_FW_MICROX(isp->isp_fwrev);
544 hba->fc_nchannels = isp->isp_nchan;
545 if (IS_FC(isp)) {
546 hba->fc_nports = MAX_FC_TARG;
547 hba->fc_speed = FCPARAM(isp, hba->fc_channel)->isp_gbspeed;
548 hba->fc_topology = FCPARAM(isp, chan)->isp_topo + 1;
549 hba->fc_loopid = FCPARAM(isp, chan)->isp_loopid;
550 hba->nvram_node_wwn = FCPARAM(isp, chan)->isp_wwnn_nvram;
551 hba->nvram_port_wwn = FCPARAM(isp, chan)->isp_wwpn_nvram;
552 hba->active_node_wwn = FCPARAM(isp, chan)->isp_wwnn;
553 hba->active_port_wwn = FCPARAM(isp, chan)->isp_wwpn;
554 } else {
555 hba->fc_nports = MAX_TARGETS;
556 hba->fc_speed = 0;
557 hba->fc_topology = 0;
558 hba->nvram_node_wwn = 0ull;
559 hba->nvram_port_wwn = 0ull;
560 hba->active_node_wwn = 0ull;
561 hba->active_port_wwn = 0ull;
562 }
563 retval = 0;
564 break;
565 }
566 case ISP_TSK_MGMT:
567 {
568 int needmarker;
569 struct isp_fc_tsk_mgmt *fct = (struct isp_fc_tsk_mgmt *) addr;
570 uint16_t loopid;
571 mbreg_t mbs;
572
573 if (IS_SCSI(isp)) {
574 break;
575 }
576
577 chan = fct->chan;
578 if (chan < 0 || chan >= isp->isp_nchan) {
579 retval = -ENXIO;
580 break;
581 }
582
583 needmarker = retval = 0;
584 loopid = fct->loopid;
585 ISP_LOCK(isp);
586 if (IS_24XX(isp)) {
587 uint8_t local[QENTRY_LEN];
588 isp24xx_tmf_t *tmf;
589 isp24xx_statusreq_t *sp;
590 fcparam *fcp = FCPARAM(isp, chan);
591 fcportdb_t *lp;
592 int i;
593
594 for (i = 0; i < MAX_FC_TARG; i++) {
595 lp = &fcp->portdb[i];
596 if (lp->handle == loopid) {
597 break;
598 }
599 }
600 if (i == MAX_FC_TARG) {
601 retval = ENXIO;
602 ISP_UNLOCK(isp);
603 break;
604 }
605 /* XXX VALIDATE LP XXX */
606 tmf = (isp24xx_tmf_t *) local;
607 ISP_MEMZERO(tmf, QENTRY_LEN);
608 tmf->tmf_header.rqs_entry_type = RQSTYPE_TSK_MGMT;
609 tmf->tmf_header.rqs_entry_count = 1;
610 tmf->tmf_nphdl = lp->handle;
611 tmf->tmf_delay = 2;
612 tmf->tmf_timeout = 2;
613 tmf->tmf_tidlo = lp->portid;
614 tmf->tmf_tidhi = lp->portid >> 16;
615 tmf->tmf_vpidx = ISP_GET_VPIDX(isp, chan);
616 tmf->tmf_lun[1] = fct->lun & 0xff;
617 if (fct->lun >= 256) {
618 tmf->tmf_lun[0] = 0x40 | (fct->lun >> 8);
619 }
620 switch (fct->action) {
621 case IPT_CLEAR_ACA:
622 tmf->tmf_flags = ISP24XX_TMF_CLEAR_ACA;
623 break;
624 case IPT_TARGET_RESET:
625 tmf->tmf_flags = ISP24XX_TMF_TARGET_RESET;
626 needmarker = 1;
627 break;
628 case IPT_LUN_RESET:
629 tmf->tmf_flags = ISP24XX_TMF_LUN_RESET;
630 needmarker = 1;
631 break;
632 case IPT_CLEAR_TASK_SET:
633 tmf->tmf_flags = ISP24XX_TMF_CLEAR_TASK_SET;
634 needmarker = 1;
635 break;
636 case IPT_ABORT_TASK_SET:
637 tmf->tmf_flags = ISP24XX_TMF_ABORT_TASK_SET;
638 needmarker = 1;
639 break;
640 default:
641 retval = EINVAL;
642 break;
643 }
644 if (retval) {
645 ISP_UNLOCK(isp);
646 break;
647 }
648 MBSINIT(&mbs, MBOX_EXEC_COMMAND_IOCB_A64, MBLOGALL, 5000000);
649 mbs.param[1] = QENTRY_LEN;
650 mbs.param[2] = DMA_WD1(fcp->isp_scdma);
651 mbs.param[3] = DMA_WD0(fcp->isp_scdma);
652 mbs.param[6] = DMA_WD3(fcp->isp_scdma);
653 mbs.param[7] = DMA_WD2(fcp->isp_scdma);
654
655 if (FC_SCRATCH_ACQUIRE(isp, chan)) {
656 ISP_UNLOCK(isp);
657 retval = ENOMEM;
658 break;
659 }
660 isp_put_24xx_tmf(isp, tmf, fcp->isp_scratch);
661 MEMORYBARRIER(isp, SYNC_SFORDEV, 0, QENTRY_LEN, chan);
662 sp = (isp24xx_statusreq_t *) local;
663 sp->req_completion_status = 1;
664 retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs);
665 MEMORYBARRIER(isp, SYNC_SFORCPU, QENTRY_LEN, QENTRY_LEN, chan);
666 isp_get_24xx_response(isp, &((isp24xx_statusreq_t *)fcp->isp_scratch)[1], sp);
667 FC_SCRATCH_RELEASE(isp, chan);
668 if (retval || sp->req_completion_status != 0) {
669 FC_SCRATCH_RELEASE(isp, chan);
670 retval = EIO;
671 }
672 if (retval == 0) {
673 if (needmarker) {
674 fcp->sendmarker = 1;
675 }
676 }
677 } else {
678 MBSINIT(&mbs, 0, MBLOGALL, 0);
679 if (ISP_CAP_2KLOGIN(isp) == 0) {
680 loopid <<= 8;
681 }
682 switch (fct->action) {
683 case IPT_CLEAR_ACA:
684 mbs.param[0] = MBOX_CLEAR_ACA;
685 mbs.param[1] = loopid;
686 mbs.param[2] = fct->lun;
687 break;
688 case IPT_TARGET_RESET:
689 mbs.param[0] = MBOX_TARGET_RESET;
690 mbs.param[1] = loopid;
691 needmarker = 1;
692 break;
693 case IPT_LUN_RESET:
694 mbs.param[0] = MBOX_LUN_RESET;
695 mbs.param[1] = loopid;
696 mbs.param[2] = fct->lun;
697 needmarker = 1;
698 break;
699 case IPT_CLEAR_TASK_SET:
700 mbs.param[0] = MBOX_CLEAR_TASK_SET;
701 mbs.param[1] = loopid;
702 mbs.param[2] = fct->lun;
703 needmarker = 1;
704 break;
705 case IPT_ABORT_TASK_SET:
706 mbs.param[0] = MBOX_ABORT_TASK_SET;
707 mbs.param[1] = loopid;
708 mbs.param[2] = fct->lun;
709 needmarker = 1;
710 break;
711 default:
712 retval = EINVAL;
713 break;
714 }
715 if (retval == 0) {
716 if (needmarker) {
717 FCPARAM(isp, chan)->sendmarker = 1;
718 }
719 retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs);
720 if (retval) {
721 retval = EIO;
722 }
723 }
724 }
725 ISP_UNLOCK(isp);
726 break;
727 }
728 default:
729 break;
730 }
731 return (retval);
732 }
733
734 static void
isp_intr_enable(void * arg)735 isp_intr_enable(void *arg)
736 {
737 int chan;
738 ispsoftc_t *isp = arg;
739 ISP_LOCK(isp);
740 for (chan = 0; chan < isp->isp_nchan; chan++) {
741 if (IS_FC(isp)) {
742 if (FCPARAM(isp, chan)->role != ISP_ROLE_NONE) {
743 ISP_ENABLE_INTS(isp);
744 break;
745 }
746 } else {
747 if (SDPARAM(isp, chan)->role != ISP_ROLE_NONE) {
748 ISP_ENABLE_INTS(isp);
749 break;
750 }
751 }
752 }
753 isp->isp_osinfo.ehook_active = 0;
754 ISP_UNLOCK(isp);
755 /* Release our hook so that the boot can continue. */
756 config_intrhook_disestablish(&isp->isp_osinfo.ehook);
757 }
758
759 /*
760 * Local Inlines
761 */
762
763 static ISP_INLINE int isp_get_pcmd(ispsoftc_t *, union ccb *);
764 static ISP_INLINE void isp_free_pcmd(ispsoftc_t *, union ccb *);
765
766 static ISP_INLINE int
isp_get_pcmd(ispsoftc_t * isp,union ccb * ccb)767 isp_get_pcmd(ispsoftc_t *isp, union ccb *ccb)
768 {
769 ISP_PCMD(ccb) = isp->isp_osinfo.pcmd_free;
770 if (ISP_PCMD(ccb) == NULL) {
771 return (-1);
772 }
773 isp->isp_osinfo.pcmd_free = ((struct isp_pcmd *)ISP_PCMD(ccb))->next;
774 return (0);
775 }
776
777 static ISP_INLINE void
isp_free_pcmd(ispsoftc_t * isp,union ccb * ccb)778 isp_free_pcmd(ispsoftc_t *isp, union ccb *ccb)
779 {
780 if (ISP_PCMD(ccb)) {
781 #ifdef ISP_TARGET_MODE
782 PISP_PCMD(ccb)->datalen = 0;
783 PISP_PCMD(ccb)->totslen = 0;
784 PISP_PCMD(ccb)->cumslen = 0;
785 PISP_PCMD(ccb)->crn = 0;
786 #endif
787 PISP_PCMD(ccb)->next = isp->isp_osinfo.pcmd_free;
788 isp->isp_osinfo.pcmd_free = ISP_PCMD(ccb);
789 ISP_PCMD(ccb) = NULL;
790 }
791 }
792
793 /*
794 * Put the target mode functions here, because some are inlines
795 */
796 #ifdef ISP_TARGET_MODE
797 static ISP_INLINE void isp_tmlock(ispsoftc_t *, const char *);
798 static ISP_INLINE void isp_tmunlk(ispsoftc_t *);
799 static ISP_INLINE int is_any_lun_enabled(ispsoftc_t *, int);
800 static ISP_INLINE int is_lun_enabled(ispsoftc_t *, int, lun_id_t);
801 static ISP_INLINE tstate_t *get_lun_statep(ispsoftc_t *, int, lun_id_t);
802 static ISP_INLINE tstate_t *get_lun_statep_from_tag(ispsoftc_t *, int, uint32_t);
803 static ISP_INLINE void rls_lun_statep(ispsoftc_t *, tstate_t *);
804 static ISP_INLINE inot_private_data_t *get_ntp_from_tagdata(ispsoftc_t *, uint32_t, uint32_t, tstate_t **);
805 static ISP_INLINE atio_private_data_t *isp_get_atpd(ispsoftc_t *, tstate_t *, uint32_t);
806 static ISP_INLINE void isp_put_atpd(ispsoftc_t *, tstate_t *, atio_private_data_t *);
807 static ISP_INLINE inot_private_data_t *isp_get_ntpd(ispsoftc_t *, tstate_t *);
808 static ISP_INLINE inot_private_data_t *isp_find_ntpd(ispsoftc_t *, tstate_t *, uint32_t, uint32_t);
809 static ISP_INLINE void isp_put_ntpd(ispsoftc_t *, tstate_t *, inot_private_data_t *);
810 static cam_status create_lun_state(ispsoftc_t *, int, struct cam_path *, tstate_t **);
811 static void destroy_lun_state(ispsoftc_t *, tstate_t *);
812 static void isp_enable_lun(ispsoftc_t *, union ccb *);
813 static cam_status isp_enable_deferred_luns(ispsoftc_t *, int);
814 static cam_status isp_enable_deferred(ispsoftc_t *, int, lun_id_t);
815 static void isp_disable_lun(ispsoftc_t *, union ccb *);
816 static int isp_enable_target_mode(ispsoftc_t *, int);
817 static int isp_disable_target_mode(ispsoftc_t *, int);
818 static void isp_ledone(ispsoftc_t *, lun_entry_t *);
819 static timeout_t isp_refire_putback_atio;
820 static timeout_t isp_refire_notify_ack;
821 static void isp_complete_ctio(union ccb *);
822 static void isp_target_putback_atio(union ccb *);
823 enum Start_Ctio_How { FROM_CAM, FROM_TIMER, FROM_SRR, FROM_CTIO_DONE };
824 static void isp_target_start_ctio(ispsoftc_t *, union ccb *, enum Start_Ctio_How);
825 static void isp_handle_platform_atio(ispsoftc_t *, at_entry_t *);
826 static void isp_handle_platform_atio2(ispsoftc_t *, at2_entry_t *);
827 static void isp_handle_platform_atio7(ispsoftc_t *, at7_entry_t *);
828 static void isp_handle_platform_ctio(ispsoftc_t *, void *);
829 static void isp_handle_platform_notify_scsi(ispsoftc_t *, in_entry_t *);
830 static void isp_handle_platform_notify_fc(ispsoftc_t *, in_fcentry_t *);
831 static void isp_handle_platform_notify_24xx(ispsoftc_t *, in_fcentry_24xx_t *);
832 static int isp_handle_platform_target_notify_ack(ispsoftc_t *, isp_notify_t *);
833 static void isp_handle_platform_target_tmf(ispsoftc_t *, isp_notify_t *);
834 static void isp_target_mark_aborted(ispsoftc_t *, union ccb *);
835 static void isp_target_mark_aborted_early(ispsoftc_t *, tstate_t *, uint32_t);
836
837 static ISP_INLINE void
isp_tmlock(ispsoftc_t * isp,const char * msg)838 isp_tmlock(ispsoftc_t *isp, const char *msg)
839 {
840 while (isp->isp_osinfo.tmbusy) {
841 isp->isp_osinfo.tmwanted = 1;
842 mtx_sleep(isp, &isp->isp_lock, PRIBIO, msg, 0);
843 }
844 isp->isp_osinfo.tmbusy = 1;
845 }
846
847 static ISP_INLINE void
isp_tmunlk(ispsoftc_t * isp)848 isp_tmunlk(ispsoftc_t *isp)
849 {
850 isp->isp_osinfo.tmbusy = 0;
851 if (isp->isp_osinfo.tmwanted) {
852 isp->isp_osinfo.tmwanted = 0;
853 wakeup(isp);
854 }
855 }
856
857 static ISP_INLINE int
is_any_lun_enabled(ispsoftc_t * isp,int bus)858 is_any_lun_enabled(ispsoftc_t *isp, int bus)
859 {
860 struct tslist *lhp;
861 int i;
862
863 for (i = 0; i < LUN_HASH_SIZE; i++) {
864 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
865 if (SLIST_FIRST(lhp))
866 return (1);
867 }
868 return (0);
869 }
870
871 static ISP_INLINE int
is_lun_enabled(ispsoftc_t * isp,int bus,lun_id_t lun)872 is_lun_enabled(ispsoftc_t *isp, int bus, lun_id_t lun)
873 {
874 tstate_t *tptr;
875 struct tslist *lhp;
876
877 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp);
878 SLIST_FOREACH(tptr, lhp, next) {
879 if (xpt_path_lun_id(tptr->owner) == lun) {
880 return (1);
881 }
882 }
883 return (0);
884 }
885
886 static void
dump_tstates(ispsoftc_t * isp,int bus)887 dump_tstates(ispsoftc_t *isp, int bus)
888 {
889 int i, j;
890 struct tslist *lhp;
891 tstate_t *tptr = NULL;
892
893 if (bus >= isp->isp_nchan) {
894 return;
895 }
896 for (i = 0; i < LUN_HASH_SIZE; i++) {
897 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
898 j = 0;
899 SLIST_FOREACH(tptr, lhp, next) {
900 xpt_print(tptr->owner, "[%d, %d] atio_cnt=%d inot_cnt=%d\n", i, j, tptr->atio_count, tptr->inot_count);
901 j++;
902 }
903 }
904 }
905
906 static ISP_INLINE tstate_t *
get_lun_statep(ispsoftc_t * isp,int bus,lun_id_t lun)907 get_lun_statep(ispsoftc_t *isp, int bus, lun_id_t lun)
908 {
909 tstate_t *tptr = NULL;
910 struct tslist *lhp;
911 int i;
912
913 if (bus < isp->isp_nchan) {
914 for (i = 0; i < LUN_HASH_SIZE; i++) {
915 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
916 SLIST_FOREACH(tptr, lhp, next) {
917 if (xpt_path_lun_id(tptr->owner) == lun) {
918 tptr->hold++;
919 return (tptr);
920 }
921 }
922 }
923 }
924 return (NULL);
925 }
926
927 static ISP_INLINE tstate_t *
get_lun_statep_from_tag(ispsoftc_t * isp,int bus,uint32_t tagval)928 get_lun_statep_from_tag(ispsoftc_t *isp, int bus, uint32_t tagval)
929 {
930 tstate_t *tptr = NULL;
931 atio_private_data_t *atp;
932 struct tslist *lhp;
933 int i;
934
935 if (bus < isp->isp_nchan && tagval != 0) {
936 for (i = 0; i < LUN_HASH_SIZE; i++) {
937 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
938 SLIST_FOREACH(tptr, lhp, next) {
939 atp = isp_get_atpd(isp, tptr, tagval);
940 if (atp && atp->tag == tagval) {
941 tptr->hold++;
942 return (tptr);
943 }
944 }
945 }
946 }
947 return (NULL);
948 }
949
950 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)951 get_ntp_from_tagdata(ispsoftc_t *isp, uint32_t tag_id, uint32_t seq_id, tstate_t **rslt)
952 {
953 inot_private_data_t *ntp;
954 tstate_t *tptr;
955 struct tslist *lhp;
956 int bus, i;
957
958 for (bus = 0; bus < isp->isp_nchan; bus++) {
959 for (i = 0; i < LUN_HASH_SIZE; i++) {
960 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
961 SLIST_FOREACH(tptr, lhp, next) {
962 ntp = isp_find_ntpd(isp, tptr, tag_id, seq_id);
963 if (ntp) {
964 *rslt = tptr;
965 tptr->hold++;
966 return (ntp);
967 }
968 }
969 }
970 }
971 return (NULL);
972 }
973
974 static ISP_INLINE void
rls_lun_statep(ispsoftc_t * isp,tstate_t * tptr)975 rls_lun_statep(ispsoftc_t *isp, tstate_t *tptr)
976 {
977 KASSERT((tptr->hold), ("tptr not held"));
978 tptr->hold--;
979 }
980
981 static void
isp_tmcmd_restart(ispsoftc_t * isp)982 isp_tmcmd_restart(ispsoftc_t *isp)
983 {
984 inot_private_data_t *ntp;
985 inot_private_data_t *restart_queue;
986 tstate_t *tptr;
987 union ccb *ccb;
988 struct tslist *lhp;
989 int bus, i;
990
991 for (bus = 0; bus < isp->isp_nchan; bus++) {
992 for (i = 0; i < LUN_HASH_SIZE; i++) {
993 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
994 SLIST_FOREACH(tptr, lhp, next) {
995 if ((restart_queue = tptr->restart_queue) != NULL)
996 tptr->restart_queue = NULL;
997 while (restart_queue) {
998 ntp = restart_queue;
999 restart_queue = ntp->rd.nt.nt_hba;
1000 if (IS_24XX(isp)) {
1001 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at7_entry_t *)ntp->rd.data)->at_rxid);
1002 isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->rd.data);
1003 } else {
1004 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at2_entry_t *)ntp->rd.data)->at_rxid);
1005 isp_handle_platform_atio2(isp, (at2_entry_t *) ntp->rd.data);
1006 }
1007 isp_put_ntpd(isp, tptr, ntp);
1008 if (tptr->restart_queue && restart_queue != NULL) {
1009 ntp = tptr->restart_queue;
1010 tptr->restart_queue = restart_queue;
1011 while (restart_queue->rd.nt.nt_hba) {
1012 restart_queue = restart_queue->rd.nt.nt_hba;
1013 }
1014 restart_queue->rd.nt.nt_hba = ntp;
1015 break;
1016 }
1017 }
1018 /*
1019 * We only need to do this once per tptr
1020 */
1021 if (!TAILQ_EMPTY(&tptr->waitq)) {
1022 ccb = (union ccb *)TAILQ_LAST(&tptr->waitq, isp_ccbq);
1023 TAILQ_REMOVE(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
1024 isp_target_start_ctio(isp, ccb, FROM_TIMER);
1025 }
1026 }
1027 }
1028 }
1029 }
1030
1031 static ISP_INLINE atio_private_data_t *
isp_get_atpd(ispsoftc_t * isp,tstate_t * tptr,uint32_t tag)1032 isp_get_atpd(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag)
1033 {
1034 atio_private_data_t *atp;
1035
1036 if (tag == 0) {
1037 atp = tptr->atfree;
1038 if (atp) {
1039 tptr->atfree = atp->next;
1040 }
1041 return (atp);
1042 }
1043 for (atp = tptr->atpool; atp < &tptr->atpool[ATPDPSIZE]; atp++) {
1044 if (atp->tag == tag) {
1045 return (atp);
1046 }
1047 }
1048 return (NULL);
1049 }
1050
1051 static ISP_INLINE void
isp_put_atpd(ispsoftc_t * isp,tstate_t * tptr,atio_private_data_t * atp)1052 isp_put_atpd(ispsoftc_t *isp, tstate_t *tptr, atio_private_data_t *atp)
1053 {
1054 if (atp->ests) {
1055 isp_put_ecmd(isp, atp->ests);
1056 }
1057 memset(atp, 0, sizeof (*atp));
1058 atp->next = tptr->atfree;
1059 tptr->atfree = atp;
1060 }
1061
1062 static void
isp_dump_atpd(ispsoftc_t * isp,tstate_t * tptr)1063 isp_dump_atpd(ispsoftc_t *isp, tstate_t *tptr)
1064 {
1065 atio_private_data_t *atp;
1066 const char *states[8] = { "Free", "ATIO", "CAM", "CTIO", "LAST_CTIO", "PDON", "?6", "7" };
1067
1068 for (atp = tptr->atpool; atp < &tptr->atpool[ATPDPSIZE]; atp++) {
1069 if (atp->tag == 0) {
1070 continue;
1071 }
1072 xpt_print(tptr->owner, "ATP: [0x%x] origdlen %u bytes_xfrd %u lun %u nphdl 0x%04x s_id 0x%06x d_id 0x%06x oxid 0x%04x state %s\n",
1073 atp->tag, atp->orig_datalen, atp->bytes_xfered, atp->lun, atp->nphdl, atp->sid, atp->portid, atp->oxid, states[atp->state & 0x7]);
1074 }
1075 }
1076
1077
1078 static ISP_INLINE inot_private_data_t *
isp_get_ntpd(ispsoftc_t * isp,tstate_t * tptr)1079 isp_get_ntpd(ispsoftc_t *isp, tstate_t *tptr)
1080 {
1081 inot_private_data_t *ntp;
1082 ntp = tptr->ntfree;
1083 if (ntp) {
1084 tptr->ntfree = ntp->next;
1085 }
1086 return (ntp);
1087 }
1088
1089 static ISP_INLINE inot_private_data_t *
isp_find_ntpd(ispsoftc_t * isp,tstate_t * tptr,uint32_t tag_id,uint32_t seq_id)1090 isp_find_ntpd(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag_id, uint32_t seq_id)
1091 {
1092 inot_private_data_t *ntp;
1093 for (ntp = tptr->ntpool; ntp < &tptr->ntpool[ATPDPSIZE]; ntp++) {
1094 if (ntp->rd.tag_id == tag_id && ntp->rd.seq_id == seq_id) {
1095 return (ntp);
1096 }
1097 }
1098 return (NULL);
1099 }
1100
1101 static ISP_INLINE void
isp_put_ntpd(ispsoftc_t * isp,tstate_t * tptr,inot_private_data_t * ntp)1102 isp_put_ntpd(ispsoftc_t *isp, tstate_t *tptr, inot_private_data_t *ntp)
1103 {
1104 ntp->rd.tag_id = ntp->rd.seq_id = 0;
1105 ntp->next = tptr->ntfree;
1106 tptr->ntfree = ntp;
1107 }
1108
1109 static cam_status
create_lun_state(ispsoftc_t * isp,int bus,struct cam_path * path,tstate_t ** rslt)1110 create_lun_state(ispsoftc_t *isp, int bus, struct cam_path *path, tstate_t **rslt)
1111 {
1112 cam_status status;
1113 lun_id_t lun;
1114 struct tslist *lhp;
1115 tstate_t *tptr;
1116 int i;
1117
1118 lun = xpt_path_lun_id(path);
1119 if (lun != CAM_LUN_WILDCARD) {
1120 if (lun >= ISP_MAX_LUNS(isp)) {
1121 return (CAM_LUN_INVALID);
1122 }
1123 }
1124 if (is_lun_enabled(isp, bus, lun)) {
1125 return (CAM_LUN_ALRDY_ENA);
1126 }
1127 tptr = malloc(sizeof (tstate_t), M_DEVBUF, M_NOWAIT|M_ZERO);
1128 if (tptr == NULL) {
1129 return (CAM_RESRC_UNAVAIL);
1130 }
1131 status = xpt_create_path(&tptr->owner, NULL, xpt_path_path_id(path), xpt_path_target_id(path), lun);
1132 if (status != CAM_REQ_CMP) {
1133 free(tptr, M_DEVBUF);
1134 return (status);
1135 }
1136 SLIST_INIT(&tptr->atios);
1137 SLIST_INIT(&tptr->inots);
1138 TAILQ_INIT(&tptr->waitq);
1139 for (i = 0; i < ATPDPSIZE-1; i++) {
1140 tptr->atpool[i].next = &tptr->atpool[i+1];
1141 tptr->ntpool[i].next = &tptr->ntpool[i+1];
1142 }
1143 tptr->atfree = tptr->atpool;
1144 tptr->ntfree = tptr->ntpool;
1145 tptr->hold = 1;
1146 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(xpt_path_lun_id(tptr->owner))], lhp);
1147 SLIST_INSERT_HEAD(lhp, tptr, next);
1148 *rslt = tptr;
1149 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, path, "created tstate\n");
1150 return (CAM_REQ_CMP);
1151 }
1152
1153 static ISP_INLINE void
destroy_lun_state(ispsoftc_t * isp,tstate_t * tptr)1154 destroy_lun_state(ispsoftc_t *isp, tstate_t *tptr)
1155 {
1156 union ccb *ccb;
1157 struct tslist *lhp;
1158
1159 KASSERT((tptr->hold != 0), ("tptr is not held"));
1160 KASSERT((tptr->hold == 1), ("tptr still held (%d)", tptr->hold));
1161 do {
1162 ccb = (union ccb *)SLIST_FIRST(&tptr->atios);
1163 if (ccb) {
1164 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
1165 ccb->ccb_h.status = CAM_REQ_ABORTED;
1166 xpt_done(ccb);
1167 }
1168 } while (ccb);
1169 do {
1170 ccb = (union ccb *)SLIST_FIRST(&tptr->inots);
1171 if (ccb) {
1172 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle);
1173 ccb->ccb_h.status = CAM_REQ_ABORTED;
1174 xpt_done(ccb);
1175 }
1176 } while (ccb);
1177 ISP_GET_PC_ADDR(isp, cam_sim_bus(xpt_path_sim(tptr->owner)), lun_hash[LUN_HASH_FUNC(xpt_path_lun_id(tptr->owner))], lhp);
1178 SLIST_REMOVE(lhp, tptr, tstate, next);
1179 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, tptr->owner, "destroyed tstate\n");
1180 xpt_free_path(tptr->owner);
1181 free(tptr, M_DEVBUF);
1182 }
1183
1184 /*
1185 * Enable a lun.
1186 */
1187 static void
isp_enable_lun(ispsoftc_t * isp,union ccb * ccb)1188 isp_enable_lun(ispsoftc_t *isp, union ccb *ccb)
1189 {
1190 tstate_t *tptr = NULL;
1191 int bus, tm_enabled, target_role;
1192 target_id_t target;
1193 lun_id_t lun;
1194
1195
1196 /*
1197 * We only support either a wildcard target/lun or a target ID of zero and a non-wildcard lun
1198 */
1199 bus = XS_CHANNEL(ccb);
1200 target = ccb->ccb_h.target_id;
1201 lun = ccb->ccb_h.target_lun;
1202 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, "enabling lun %u\n", lun);
1203 if (target != CAM_TARGET_WILDCARD && target != 0) {
1204 ccb->ccb_h.status = CAM_TID_INVALID;
1205 xpt_done(ccb);
1206 return;
1207 }
1208 if (target == CAM_TARGET_WILDCARD && lun != CAM_LUN_WILDCARD) {
1209 ccb->ccb_h.status = CAM_LUN_INVALID;
1210 xpt_done(ccb);
1211 return;
1212 }
1213
1214 if (target != CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) {
1215 ccb->ccb_h.status = CAM_LUN_INVALID;
1216 xpt_done(ccb);
1217 return;
1218 }
1219 if (isp->isp_dblev & ISP_LOGTDEBUG0) {
1220 xpt_print(ccb->ccb_h.path, "enabling lun 0x%x on channel %d\n", lun, bus);
1221 }
1222
1223 /*
1224 * Wait until we're not busy with the lun enables subsystem
1225 */
1226 isp_tmlock(isp, "isp_enable_lun");
1227
1228 /*
1229 * This is as a good a place as any to check f/w capabilities.
1230 */
1231
1232 if (IS_FC(isp)) {
1233 if (ISP_CAP_TMODE(isp) == 0) {
1234 xpt_print(ccb->ccb_h.path, "firmware does not support target mode\n");
1235 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1236 goto done;
1237 }
1238 /*
1239 * We *could* handle non-SCCLUN f/w, but we'd have to
1240 * dork with our already fragile enable/disable code.
1241 */
1242 if (ISP_CAP_SCCFW(isp) == 0) {
1243 xpt_print(ccb->ccb_h.path, "firmware not SCCLUN capable\n");
1244 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1245 goto done;
1246 }
1247
1248 target_role = (FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) != 0;
1249
1250 } else {
1251 target_role = (SDPARAM(isp, bus)->role & ISP_ROLE_TARGET) != 0;
1252 }
1253
1254 /*
1255 * Create the state pointer.
1256 * It should not already exist.
1257 */
1258 tptr = get_lun_statep(isp, bus, lun);
1259 if (tptr) {
1260 ccb->ccb_h.status = CAM_LUN_ALRDY_ENA;
1261 goto done;
1262 }
1263 ccb->ccb_h.status = create_lun_state(isp, bus, ccb->ccb_h.path, &tptr);
1264 if (ccb->ccb_h.status != CAM_REQ_CMP) {
1265 goto done;
1266 }
1267
1268 /*
1269 * We have a tricky maneuver to perform here.
1270 *
1271 * If target mode isn't already enabled here,
1272 * *and* our current role includes target mode,
1273 * we enable target mode here.
1274 *
1275 */
1276 ISP_GET_PC(isp, bus, tm_enabled, tm_enabled);
1277 if (tm_enabled == 0 && target_role != 0) {
1278 if (isp_enable_target_mode(isp, bus)) {
1279 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1280 destroy_lun_state(isp, tptr);
1281 tptr = NULL;
1282 goto done;
1283 }
1284 tm_enabled = 1;
1285 }
1286
1287 /*
1288 * Now check to see whether this bus is in target mode already.
1289 *
1290 * If not, a later role change into target mode will finish the job.
1291 */
1292 if (tm_enabled == 0) {
1293 ISP_SET_PC(isp, bus, tm_enable_defer, 1);
1294 ccb->ccb_h.status = CAM_REQ_CMP;
1295 xpt_print(ccb->ccb_h.path, "Target Mode not enabled yet- lun enable deferred\n");
1296 goto done1;
1297 }
1298
1299 /*
1300 * Enable the lun.
1301 */
1302 ccb->ccb_h.status = isp_enable_deferred(isp, bus, lun);
1303
1304 done:
1305 if (ccb->ccb_h.status != CAM_REQ_CMP) {
1306 if (tptr) {
1307 destroy_lun_state(isp, tptr);
1308 tptr = NULL;
1309 }
1310 } else {
1311 tptr->enabled = 1;
1312 }
1313 done1:
1314 if (tptr) {
1315 rls_lun_statep(isp, tptr);
1316 }
1317
1318 /*
1319 * And we're outta here....
1320 */
1321 isp_tmunlk(isp);
1322 xpt_done(ccb);
1323 }
1324
1325 static cam_status
isp_enable_deferred_luns(ispsoftc_t * isp,int bus)1326 isp_enable_deferred_luns(ispsoftc_t *isp, int bus)
1327 {
1328 tstate_t *tptr = NULL;
1329 struct tslist *lhp;
1330 int i, n;
1331
1332
1333 ISP_GET_PC(isp, bus, tm_enabled, i);
1334 if (i == 1) {
1335 return (CAM_REQ_CMP);
1336 }
1337 ISP_GET_PC(isp, bus, tm_enable_defer, i);
1338 if (i == 0) {
1339 return (CAM_REQ_CMP);
1340 }
1341 /*
1342 * If this succeeds, it will set tm_enable
1343 */
1344 if (isp_enable_target_mode(isp, bus)) {
1345 return (CAM_REQ_CMP_ERR);
1346 }
1347 isp_tmlock(isp, "isp_enable_deferred_luns");
1348 for (n = i = 0; i < LUN_HASH_SIZE; i++) {
1349 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
1350 SLIST_FOREACH(tptr, lhp, next) {
1351 tptr->hold++;
1352 if (tptr->enabled == 0) {
1353 if (isp_enable_deferred(isp, bus, xpt_path_lun_id(tptr->owner)) == CAM_REQ_CMP) {
1354 tptr->enabled = 1;
1355 n++;
1356 }
1357 } else {
1358 n++;
1359 }
1360 tptr->hold--;
1361 }
1362 }
1363 isp_tmunlk(isp);
1364 if (n == 0) {
1365 return (CAM_REQ_CMP_ERR);
1366 }
1367 ISP_SET_PC(isp, bus, tm_enable_defer, 0);
1368 return (CAM_REQ_CMP);
1369 }
1370
1371 static cam_status
isp_enable_deferred(ispsoftc_t * isp,int bus,lun_id_t lun)1372 isp_enable_deferred(ispsoftc_t *isp, int bus, lun_id_t lun)
1373 {
1374 cam_status status;
1375 int luns_already_enabled;
1376
1377 ISP_GET_PC(isp, bus, tm_luns_enabled, luns_already_enabled);
1378 isp_prt(isp, ISP_LOGTINFO, "%s: bus %d lun %u luns_enabled %d", __func__, bus, lun, luns_already_enabled);
1379 if (IS_24XX(isp) || (IS_FC(isp) && luns_already_enabled)) {
1380 status = CAM_REQ_CMP;
1381 } else {
1382 int cmd_cnt, not_cnt;
1383
1384 if (IS_23XX(isp)) {
1385 cmd_cnt = DFLT_CMND_CNT;
1386 not_cnt = DFLT_INOT_CNT;
1387 } else {
1388 cmd_cnt = 64;
1389 not_cnt = 8;
1390 }
1391 status = CAM_REQ_INPROG;
1392 isp->isp_osinfo.rptr = &status;
1393 if (isp_lun_cmd(isp, RQSTYPE_ENABLE_LUN, bus, lun == CAM_LUN_WILDCARD? 0 : lun, cmd_cnt, not_cnt)) {
1394 status = CAM_RESRC_UNAVAIL;
1395 } else {
1396 mtx_sleep(&status, &isp->isp_lock, PRIBIO, "isp_enable_deferred", 0);
1397 }
1398 isp->isp_osinfo.rptr = NULL;
1399 }
1400 if (status == CAM_REQ_CMP) {
1401 ISP_SET_PC(isp, bus, tm_luns_enabled, 1);
1402 isp_prt(isp, ISP_LOGCONFIG|ISP_LOGTINFO, "bus %d lun %u now enabled for target mode", bus, lun);
1403 }
1404 return (status);
1405 }
1406
1407 static void
isp_disable_lun(ispsoftc_t * isp,union ccb * ccb)1408 isp_disable_lun(ispsoftc_t *isp, union ccb *ccb)
1409 {
1410 tstate_t *tptr = NULL;
1411 int bus;
1412 cam_status status;
1413 target_id_t target;
1414 lun_id_t lun;
1415
1416 bus = XS_CHANNEL(ccb);
1417 target = ccb->ccb_h.target_id;
1418 lun = ccb->ccb_h.target_lun;
1419 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, "disabling lun %u\n", lun);
1420 if (target != CAM_TARGET_WILDCARD && target != 0) {
1421 ccb->ccb_h.status = CAM_TID_INVALID;
1422 xpt_done(ccb);
1423 return;
1424 }
1425
1426 if (target == CAM_TARGET_WILDCARD && lun != CAM_LUN_WILDCARD) {
1427 ccb->ccb_h.status = CAM_LUN_INVALID;
1428 xpt_done(ccb);
1429 return;
1430 }
1431
1432 if (target != CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) {
1433 ccb->ccb_h.status = CAM_LUN_INVALID;
1434 xpt_done(ccb);
1435 return;
1436 }
1437
1438 /*
1439 * See if we're busy disabling a lun now.
1440 */
1441 isp_tmlock(isp, "isp_disable_lun");
1442 status = CAM_REQ_INPROG;
1443
1444 /*
1445 * Find the state pointer.
1446 */
1447 if ((tptr = get_lun_statep(isp, bus, lun)) == NULL) {
1448 status = CAM_PATH_INVALID;
1449 goto done;
1450 }
1451
1452 /*
1453 * If we're a 24XX card, we're done.
1454 */
1455 if (IS_24XX(isp)) {
1456 status = CAM_REQ_CMP;
1457 goto done;
1458 }
1459
1460 /*
1461 * For SCC FW, we only deal with lun zero.
1462 */
1463 if (IS_FC(isp) && lun > 0) {
1464 status = CAM_REQ_CMP;
1465 goto done;
1466 }
1467 isp->isp_osinfo.rptr = &status;
1468 if (isp_lun_cmd(isp, RQSTYPE_ENABLE_LUN, bus, lun, 0, 0)) {
1469 status = CAM_RESRC_UNAVAIL;
1470 } else {
1471 mtx_sleep(ccb, &isp->isp_lock, PRIBIO, "isp_disable_lun", 0);
1472 }
1473 isp->isp_osinfo.rptr = NULL;
1474 done:
1475 if (status == CAM_REQ_CMP) {
1476 tptr->enabled = 0;
1477 /*
1478 * If we have no more luns enabled for this bus,
1479 * delete all tracked wwns for it (if we are FC),
1480 * and disable target mode.
1481 */
1482 if (is_any_lun_enabled(isp, bus) == 0) {
1483 isp_del_all_wwn_entries(isp, bus);
1484 if (isp_disable_target_mode(isp, bus)) {
1485 status = CAM_REQ_CMP_ERR;
1486 }
1487 }
1488 }
1489 ccb->ccb_h.status = status;
1490 if (status == CAM_REQ_CMP) {
1491 destroy_lun_state(isp, tptr);
1492 xpt_print(ccb->ccb_h.path, "lun now disabled for target mode\n");
1493 } else {
1494 if (tptr)
1495 rls_lun_statep(isp, tptr);
1496 }
1497 isp_tmunlk(isp);
1498 xpt_done(ccb);
1499 }
1500
1501 static int
isp_enable_target_mode(ispsoftc_t * isp,int bus)1502 isp_enable_target_mode(ispsoftc_t *isp, int bus)
1503 {
1504 int tm_enabled;
1505
1506 ISP_GET_PC(isp, bus, tm_enabled, tm_enabled);
1507 if (tm_enabled != 0) {
1508 return (0);
1509 }
1510 if (IS_SCSI(isp)) {
1511 mbreg_t mbs;
1512 MBSINIT(&mbs, MBOX_ENABLE_TARGET_MODE, MBLOGALL, 0);
1513 mbs.param[0] = MBOX_ENABLE_TARGET_MODE;
1514 mbs.param[1] = ENABLE_TARGET_FLAG|ENABLE_TQING_FLAG;
1515 mbs.param[2] = bus << 7;
1516 if (isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs) < 0 || mbs.param[0] != MBOX_COMMAND_COMPLETE) {
1517 isp_prt(isp, ISP_LOGERR, "Unable to enable Target Role on Bus %d", bus);
1518 return (EIO);
1519 }
1520 }
1521 ISP_SET_PC(isp, bus, tm_enabled, 1);
1522 isp_prt(isp, ISP_LOGINFO, "Target Role enabled on Bus %d", bus);
1523 return (0);
1524 }
1525
1526 static int
isp_disable_target_mode(ispsoftc_t * isp,int bus)1527 isp_disable_target_mode(ispsoftc_t *isp, int bus)
1528 {
1529 int tm_enabled;
1530
1531 ISP_GET_PC(isp, bus, tm_enabled, tm_enabled);
1532 if (tm_enabled == 0) {
1533 return (0);
1534 }
1535 if (IS_SCSI(isp)) {
1536 mbreg_t mbs;
1537 MBSINIT(&mbs, MBOX_ENABLE_TARGET_MODE, MBLOGALL, 0);
1538 mbs.param[2] = bus << 7;
1539 if (isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs) < 0 || mbs.param[0] != MBOX_COMMAND_COMPLETE) {
1540 isp_prt(isp, ISP_LOGERR, "Unable to disable Target Role on Bus %d", bus);
1541 return (EIO);
1542 }
1543 }
1544 ISP_SET_PC(isp, bus, tm_enabled, 0);
1545 isp_prt(isp, ISP_LOGINFO, "Target Role disabled on Bus %d", bus);
1546 return (0);
1547 }
1548
1549 static void
isp_ledone(ispsoftc_t * isp,lun_entry_t * lep)1550 isp_ledone(ispsoftc_t *isp, lun_entry_t *lep)
1551 {
1552 uint32_t *rptr;
1553
1554 rptr = isp->isp_osinfo.rptr;
1555 if (lep->le_status != LUN_OK) {
1556 isp_prt(isp, ISP_LOGERR, "ENABLE/MODIFY LUN returned 0x%x", lep->le_status);
1557 if (rptr) {
1558 *rptr = CAM_REQ_CMP_ERR;
1559 wakeup_one(rptr);
1560 }
1561 } else {
1562 if (rptr) {
1563 *rptr = CAM_REQ_CMP;
1564 wakeup_one(rptr);
1565 }
1566 }
1567 }
1568
1569 static void
isp_target_start_ctio(ispsoftc_t * isp,union ccb * ccb,enum Start_Ctio_How how)1570 isp_target_start_ctio(ispsoftc_t *isp, union ccb *ccb, enum Start_Ctio_How how)
1571 {
1572 int fctape, sendstatus, resid;
1573 tstate_t *tptr;
1574 fcparam *fcp;
1575 atio_private_data_t *atp;
1576 struct ccb_scsiio *cso;
1577 uint32_t dmaresult, handle, xfrlen, sense_length, tmp;
1578 uint8_t local[QENTRY_LEN];
1579
1580 tptr = get_lun_statep(isp, XS_CHANNEL(ccb), XS_LUN(ccb));
1581 if (tptr == NULL) {
1582 tptr = get_lun_statep(isp, XS_CHANNEL(ccb), CAM_LUN_WILDCARD);
1583 if (tptr == NULL) {
1584 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] cannot find tstate pointer", __func__, ccb->csio.tag_id);
1585 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
1586 xpt_done(ccb);
1587 return;
1588 }
1589 }
1590 isp_prt(isp, ISP_LOGTDEBUG0, "%s: ENTRY[0x%x] how %u xfrlen %u sendstatus %d sense_len %u", __func__, ccb->csio.tag_id, how, ccb->csio.dxfer_len,
1591 (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0, ((ccb->ccb_h.flags & CAM_SEND_SENSE)? ccb->csio.sense_len : 0));
1592
1593 switch (how) {
1594 case FROM_TIMER:
1595 case FROM_CAM:
1596 /*
1597 * Insert at the tail of the list, if any, waiting CTIO CCBs
1598 */
1599 TAILQ_INSERT_TAIL(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
1600 break;
1601 case FROM_SRR:
1602 case FROM_CTIO_DONE:
1603 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
1604 break;
1605 }
1606
1607 while (TAILQ_FIRST(&tptr->waitq) != NULL) {
1608 ccb = (union ccb *) TAILQ_FIRST(&tptr->waitq);
1609 TAILQ_REMOVE(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
1610
1611 cso = &ccb->csio;
1612 xfrlen = cso->dxfer_len;
1613 if (xfrlen == 0) {
1614 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) {
1615 ISP_PATH_PRT(isp, ISP_LOGERR, ccb->ccb_h.path, "a data transfer length of zero but no status to send is wrong\n");
1616 ccb->ccb_h.status = CAM_REQ_INVALID;
1617 xpt_done(ccb);
1618 continue;
1619 }
1620 }
1621
1622 atp = isp_get_atpd(isp, tptr, cso->tag_id);
1623 if (atp == NULL) {
1624 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] cannot find private data adjunct in %s", __func__, cso->tag_id, __func__);
1625 isp_dump_atpd(isp, tptr);
1626 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1627 xpt_done(ccb);
1628 continue;
1629 }
1630
1631 /*
1632 * Is this command a dead duck?
1633 */
1634 if (atp->dead) {
1635 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] not sending a CTIO for a dead command", __func__, cso->tag_id);
1636 ccb->ccb_h.status = CAM_REQ_ABORTED;
1637 xpt_done(ccb);
1638 continue;
1639 }
1640
1641 /*
1642 * Check to make sure we're still in target mode.
1643 */
1644 fcp = FCPARAM(isp, XS_CHANNEL(ccb));
1645 if ((fcp->role & ISP_ROLE_TARGET) == 0) {
1646 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] stopping sending a CTIO because we're no longer in target mode", __func__, cso->tag_id);
1647 ccb->ccb_h.status = CAM_PROVIDE_FAIL;
1648 xpt_done(ccb);
1649 continue;
1650 }
1651
1652 /*
1653 * We're only handling ATPD_CCB_OUTSTANDING outstanding CCB at a time (one of which
1654 * could be split into two CTIOs to split data and status).
1655 */
1656 if (atp->ctcnt >= ATPD_CCB_OUTSTANDING) {
1657 isp_prt(isp, ISP_LOGTINFO, "[0x%x] handling only %d CCBs at a time (flags for this ccb: 0x%x)", cso->tag_id, ATPD_CCB_OUTSTANDING, ccb->ccb_h.flags);
1658 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
1659 break;
1660 }
1661
1662 /*
1663 * Does the initiator expect FC-Tape style responses?
1664 */
1665 if ((atp->word3 & PRLI_WD3_RETRY) && fcp->fctape_enabled) {
1666 fctape = 1;
1667 } else {
1668 fctape = 0;
1669 }
1670
1671 /*
1672 * If we already did the data xfer portion of a CTIO that sends data
1673 * and status, don't do it again and do the status portion now.
1674 */
1675 if (atp->sendst) {
1676 isp_prt(isp, ISP_LOGTINFO, "[0x%x] now sending synthesized status orig_dl=%u xfered=%u bit=%u",
1677 cso->tag_id, atp->orig_datalen, atp->bytes_xfered, atp->bytes_in_transit);
1678 xfrlen = 0; /* we already did the data transfer */
1679 atp->sendst = 0;
1680 }
1681 if (ccb->ccb_h.flags & CAM_SEND_STATUS) {
1682 sendstatus = 1;
1683 } else {
1684 sendstatus = 0;
1685 }
1686
1687 if (ccb->ccb_h.flags & CAM_SEND_SENSE) {
1688 KASSERT((sendstatus != 0), ("how can you have CAM_SEND_SENSE w/o CAM_SEND_STATUS?"));
1689 /*
1690 * Sense length is not the entire sense data structure size. Periph
1691 * drivers don't seem to be setting sense_len to reflect the actual
1692 * size. We'll peek inside to get the right amount.
1693 */
1694 sense_length = cso->sense_len;
1695
1696 /*
1697 * This 'cannot' happen
1698 */
1699 if (sense_length > (XCMD_SIZE - MIN_FCP_RESPONSE_SIZE)) {
1700 sense_length = XCMD_SIZE - MIN_FCP_RESPONSE_SIZE;
1701 }
1702 } else {
1703 sense_length = 0;
1704 }
1705
1706 memset(local, 0, QENTRY_LEN);
1707
1708 /*
1709 * Check for overflow
1710 */
1711 tmp = atp->bytes_xfered + atp->bytes_in_transit + xfrlen;
1712 if (tmp > atp->orig_datalen) {
1713 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] data overflow by %u bytes", __func__, cso->tag_id, tmp - atp->orig_datalen);
1714 ccb->ccb_h.status = CAM_DATA_RUN_ERR;
1715 xpt_done(ccb);
1716 continue;
1717 }
1718
1719 if (IS_24XX(isp)) {
1720 ct7_entry_t *cto = (ct7_entry_t *) local;
1721
1722 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
1723 cto->ct_header.rqs_entry_count = 1;
1724 cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM;
1725 ATPD_SET_SEQNO(cto, atp);
1726 cto->ct_nphdl = atp->nphdl;
1727 cto->ct_rxid = atp->tag;
1728 cto->ct_iid_lo = atp->portid;
1729 cto->ct_iid_hi = atp->portid >> 16;
1730 cto->ct_oxid = atp->oxid;
1731 cto->ct_vpidx = ISP_GET_VPIDX(isp, XS_CHANNEL(ccb));
1732 cto->ct_timeout = 120;
1733 cto->ct_flags = atp->tattr << CT7_TASK_ATTR_SHIFT;
1734
1735 /*
1736 * Mode 1, status, no data. Only possible when we are sending status, have
1737 * no data to transfer, and any sense data can fit into a ct7_entry_t.
1738 *
1739 * Mode 2, status, no data. We have to use this in the case that
1740 * the sense data won't fit into a ct7_entry_t.
1741 *
1742 */
1743 if (sendstatus && xfrlen == 0) {
1744 cto->ct_flags |= CT7_SENDSTATUS | CT7_NO_DATA;
1745 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit;
1746 if (sense_length <= MAXRESPLEN_24XX) {
1747 if (resid < 0) {
1748 cto->ct_resid = -resid;
1749 } else if (resid > 0) {
1750 cto->ct_resid = resid;
1751 }
1752 cto->ct_flags |= CT7_FLAG_MODE1;
1753 cto->ct_scsi_status = cso->scsi_status;
1754 if (resid < 0) {
1755 cto->ct_scsi_status |= (FCP_RESID_OVERFLOW << 8);
1756 } else if (resid > 0) {
1757 cto->ct_scsi_status |= (FCP_RESID_UNDERFLOW << 8);
1758 }
1759 if (fctape) {
1760 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF;
1761 }
1762 if (sense_length) {
1763 cto->ct_scsi_status |= (FCP_SNSLEN_VALID << 8);
1764 cto->rsp.m1.ct_resplen = cto->ct_senselen = sense_length;
1765 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length);
1766 }
1767 } else {
1768 bus_addr_t addr;
1769 char buf[XCMD_SIZE];
1770 fcp_rsp_iu_t *rp;
1771
1772 if (atp->ests == NULL) {
1773 atp->ests = isp_get_ecmd(isp);
1774 if (atp->ests == NULL) {
1775 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
1776 break;
1777 }
1778 }
1779 memset(buf, 0, sizeof (buf));
1780 rp = (fcp_rsp_iu_t *)buf;
1781 if (fctape) {
1782 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF;
1783 rp->fcp_rsp_bits |= FCP_CONF_REQ;
1784 }
1785 cto->ct_flags |= CT7_FLAG_MODE2;
1786 rp->fcp_rsp_scsi_status = cso->scsi_status;
1787 if (resid < 0) {
1788 rp->fcp_rsp_resid = -resid;
1789 rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW;
1790 } else if (resid > 0) {
1791 rp->fcp_rsp_resid = resid;
1792 rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW;
1793 }
1794 if (sense_length) {
1795 rp->fcp_rsp_snslen = sense_length;
1796 cto->ct_senselen = sense_length;
1797 rp->fcp_rsp_bits |= FCP_SNSLEN_VALID;
1798 isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1799 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length);
1800 } else {
1801 isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1802 }
1803 if (isp->isp_dblev & ISP_LOGTDEBUG1) {
1804 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests);
1805 }
1806 addr = isp->isp_osinfo.ecmd_dma;
1807 addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE);
1808 isp_prt(isp, ISP_LOGTDEBUG0, "%s: ests base %p vaddr %p ecmd_dma %jx addr %jx len %u", __func__, isp->isp_osinfo.ecmd_base, atp->ests,
1809 (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length);
1810 cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length;
1811 cto->rsp.m2.ct_fcp_rsp_iudata.ds_base = DMA_LO32(addr);
1812 cto->rsp.m2.ct_fcp_rsp_iudata.ds_basehi = DMA_HI32(addr);
1813 cto->rsp.m2.ct_fcp_rsp_iudata.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length;
1814 }
1815 if (sense_length) {
1816 isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d slen %u sense: %x %x/%x/%x", __func__,
1817 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, cto->ct_resid, sense_length,
1818 cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]);
1819 } else {
1820 isp_prt(isp, ISP_LOGDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d", __func__,
1821 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, cto->ct_resid);
1822 }
1823 atp->state = ATPD_STATE_LAST_CTIO;
1824 }
1825
1826 /*
1827 * Mode 0 data transfers, *possibly* with status.
1828 */
1829 if (xfrlen != 0) {
1830 cto->ct_flags |= CT7_FLAG_MODE0;
1831 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1832 cto->ct_flags |= CT7_DATA_IN;
1833 } else {
1834 cto->ct_flags |= CT7_DATA_OUT;
1835 }
1836
1837 cto->rsp.m0.reloff = atp->bytes_xfered + atp->bytes_in_transit;
1838 cto->rsp.m0.ct_xfrlen = xfrlen;
1839
1840 #ifdef DEBUG
1841 if (ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame && xfrlen > ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame) {
1842 isp_prt(isp, ISP_LOGWARN, "%s: truncating data frame with xfrlen %d to %d", __func__, xfrlen, xfrlen - (xfrlen >> 2));
1843 ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame = 0;
1844 cto->rsp.m0.ct_xfrlen -= xfrlen >> 2;
1845 }
1846 #endif
1847 if (sendstatus) {
1848 resid = atp->orig_datalen - atp->bytes_xfered - xfrlen;
1849 if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /* && fctape == 0 */) {
1850 cto->ct_flags |= CT7_SENDSTATUS;
1851 atp->state = ATPD_STATE_LAST_CTIO;
1852 if (fctape) {
1853 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF;
1854 }
1855 } else {
1856 atp->sendst = 1; /* send status later */
1857 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM;
1858 atp->state = ATPD_STATE_CTIO;
1859 }
1860 } else {
1861 atp->state = ATPD_STATE_CTIO;
1862 }
1863 isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x xfrlen=%u off=%u", __func__,
1864 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, xfrlen, atp->bytes_xfered);
1865 }
1866 } else if (IS_FC(isp)) {
1867 ct2_entry_t *cto = (ct2_entry_t *) local;
1868
1869 if (isp->isp_osinfo.sixtyfourbit)
1870 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO3;
1871 else
1872 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO2;
1873 cto->ct_header.rqs_entry_count = 1;
1874 cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM;
1875 ATPD_SET_SEQNO(cto, atp);
1876 if (ISP_CAP_2KLOGIN(isp) == 0) {
1877 ((ct2e_entry_t *)cto)->ct_iid = cso->init_id;
1878 } else {
1879 cto->ct_iid = cso->init_id;
1880 if (ISP_CAP_SCCFW(isp) == 0) {
1881 cto->ct_lun = ccb->ccb_h.target_lun;
1882 }
1883 }
1884 cto->ct_timeout = 10;
1885 cto->ct_rxid = cso->tag_id;
1886
1887 /*
1888 * Mode 1, status, no data. Only possible when we are sending status, have
1889 * no data to transfer, and the sense length can fit in the ct7_entry.
1890 *
1891 * Mode 2, status, no data. We have to use this in the case the response
1892 * length won't fit into a ct2_entry_t.
1893 *
1894 * We'll fill out this structure with information as if this were a
1895 * Mode 1. The hardware layer will create the Mode 2 FCP RSP IU as
1896 * needed based upon this.
1897 */
1898 if (sendstatus && xfrlen == 0) {
1899 cto->ct_flags |= CT2_SENDSTATUS | CT2_NO_DATA;
1900 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit;
1901 if (sense_length <= MAXRESPLEN) {
1902 if (resid < 0) {
1903 cto->ct_resid = -resid;
1904 } else if (resid > 0) {
1905 cto->ct_resid = resid;
1906 }
1907 cto->ct_flags |= CT2_FLAG_MODE1;
1908 cto->rsp.m1.ct_scsi_status = cso->scsi_status;
1909 if (resid < 0) {
1910 cto->rsp.m1.ct_scsi_status |= CT2_DATA_OVER;
1911 } else if (resid > 0) {
1912 cto->rsp.m1.ct_scsi_status |= CT2_DATA_UNDER;
1913 }
1914 if (fctape) {
1915 cto->ct_flags |= CT2_CONFIRM;
1916 }
1917 if (sense_length) {
1918 cto->rsp.m1.ct_scsi_status |= CT2_SNSLEN_VALID;
1919 cto->rsp.m1.ct_resplen = cto->rsp.m1.ct_senselen = sense_length;
1920 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length);
1921 }
1922 } else {
1923 bus_addr_t addr;
1924 char buf[XCMD_SIZE];
1925 fcp_rsp_iu_t *rp;
1926
1927 if (atp->ests == NULL) {
1928 atp->ests = isp_get_ecmd(isp);
1929 if (atp->ests == NULL) {
1930 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
1931 break;
1932 }
1933 }
1934 memset(buf, 0, sizeof (buf));
1935 rp = (fcp_rsp_iu_t *)buf;
1936 if (fctape) {
1937 cto->ct_flags |= CT2_CONFIRM;
1938 rp->fcp_rsp_bits |= FCP_CONF_REQ;
1939 }
1940 cto->ct_flags |= CT2_FLAG_MODE2;
1941 rp->fcp_rsp_scsi_status = cso->scsi_status;
1942 if (resid < 0) {
1943 rp->fcp_rsp_resid = -resid;
1944 rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW;
1945 } else if (resid > 0) {
1946 rp->fcp_rsp_resid = resid;
1947 rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW;
1948 }
1949 if (sense_length) {
1950 rp->fcp_rsp_snslen = sense_length;
1951 rp->fcp_rsp_bits |= FCP_SNSLEN_VALID;
1952 isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1953 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length);
1954 } else {
1955 isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1956 }
1957 if (isp->isp_dblev & ISP_LOGTDEBUG1) {
1958 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests);
1959 }
1960 addr = isp->isp_osinfo.ecmd_dma;
1961 addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE);
1962 isp_prt(isp, ISP_LOGTDEBUG0, "%s: ests base %p vaddr %p ecmd_dma %jx addr %jx len %u", __func__, isp->isp_osinfo.ecmd_base, atp->ests,
1963 (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length);
1964 cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length;
1965 if (isp->isp_osinfo.sixtyfourbit) {
1966 cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_base = DMA_LO32(addr);
1967 cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_basehi = DMA_HI32(addr);
1968 cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length;
1969 } else {
1970 cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_base = DMA_LO32(addr);
1971 cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length;
1972 }
1973 }
1974 if (sense_length) {
1975 isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO2[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d sense: %x %x/%x/%x", __func__,
1976 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid,
1977 cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]);
1978 } else {
1979 isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO2[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d", __func__, cto->ct_rxid,
1980 ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid);
1981 }
1982 atp->state = ATPD_STATE_LAST_CTIO;
1983 }
1984
1985 if (xfrlen != 0) {
1986 cto->ct_flags |= CT2_FLAG_MODE0;
1987 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1988 cto->ct_flags |= CT2_DATA_IN;
1989 } else {
1990 cto->ct_flags |= CT2_DATA_OUT;
1991 }
1992
1993 cto->ct_reloff = atp->bytes_xfered + atp->bytes_in_transit;
1994 cto->rsp.m0.ct_xfrlen = xfrlen;
1995
1996 if (sendstatus) {
1997 resid = atp->orig_datalen - atp->bytes_xfered - xfrlen;
1998 if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /*&& fctape == 0*/) {
1999 cto->ct_flags |= CT2_SENDSTATUS;
2000 atp->state = ATPD_STATE_LAST_CTIO;
2001 if (fctape) {
2002 cto->ct_flags |= CT2_CONFIRM;
2003 }
2004 } else {
2005 atp->sendst = 1; /* send status later */
2006 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM;
2007 atp->state = ATPD_STATE_CTIO;
2008 }
2009 } else {
2010 atp->state = ATPD_STATE_CTIO;
2011 }
2012 }
2013 isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO2[%x] seq %u nc %d CDB0=%x scsi status %x flags %x resid %d xfrlen %u offset %u", __func__, cto->ct_rxid,
2014 ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid, cso->dxfer_len, atp->bytes_xfered);
2015 } else {
2016 ct_entry_t *cto = (ct_entry_t *) local;
2017
2018 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO;
2019 cto->ct_header.rqs_entry_count = 1;
2020 cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM;
2021 ATPD_SET_SEQNO(cto, atp);
2022 cto->ct_iid = cso->init_id;
2023 cto->ct_iid |= XS_CHANNEL(ccb) << 7;
2024 cto->ct_tgt = ccb->ccb_h.target_id;
2025 cto->ct_lun = ccb->ccb_h.target_lun;
2026 cto->ct_fwhandle = cso->tag_id;
2027 if (atp->rxid) {
2028 cto->ct_tag_val = atp->rxid;
2029 cto->ct_flags |= CT_TQAE;
2030 }
2031 if (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) {
2032 cto->ct_flags |= CT_NODISC;
2033 }
2034 if (cso->dxfer_len == 0) {
2035 cto->ct_flags |= CT_NO_DATA;
2036 } else if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
2037 cto->ct_flags |= CT_DATA_IN;
2038 } else {
2039 cto->ct_flags |= CT_DATA_OUT;
2040 }
2041 if (ccb->ccb_h.flags & CAM_SEND_STATUS) {
2042 cto->ct_flags |= CT_SENDSTATUS|CT_CCINCR;
2043 cto->ct_scsi_status = cso->scsi_status;
2044 cto->ct_resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit - xfrlen;
2045 isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO[%x] seq %u nc %d scsi status %x resid %d tag_id %x", __func__,
2046 cto->ct_fwhandle, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), cso->scsi_status, cso->resid, cso->tag_id);
2047 }
2048 ccb->ccb_h.flags &= ~CAM_SEND_SENSE;
2049 cto->ct_timeout = 10;
2050 }
2051
2052 if (isp_get_pcmd(isp, ccb)) {
2053 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "out of PCMDs\n");
2054 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
2055 break;
2056 }
2057 if (isp_allocate_xs_tgt(isp, ccb, &handle)) {
2058 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "No XFLIST pointers for %s\n", __func__);
2059 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
2060 isp_free_pcmd(isp, ccb);
2061 break;
2062 }
2063 atp->bytes_in_transit += xfrlen;
2064 PISP_PCMD(ccb)->datalen = xfrlen;
2065
2066
2067 /*
2068 * Call the dma setup routines for this entry (and any subsequent
2069 * CTIOs) if there's data to move, and then tell the f/w it's got
2070 * new things to play with. As with isp_start's usage of DMA setup,
2071 * any swizzling is done in the machine dependent layer. Because
2072 * of this, we put the request onto the queue area first in native
2073 * format.
2074 */
2075
2076 if (IS_24XX(isp)) {
2077 ct7_entry_t *cto = (ct7_entry_t *) local;
2078 cto->ct_syshandle = handle;
2079 } else if (IS_FC(isp)) {
2080 ct2_entry_t *cto = (ct2_entry_t *) local;
2081 cto->ct_syshandle = handle;
2082 } else {
2083 ct_entry_t *cto = (ct_entry_t *) local;
2084 cto->ct_syshandle = handle;
2085 }
2086
2087 dmaresult = ISP_DMASETUP(isp, cso, (ispreq_t *) local);
2088 if (dmaresult != CMD_QUEUED) {
2089 isp_destroy_tgt_handle(isp, handle);
2090 isp_free_pcmd(isp, ccb);
2091 if (dmaresult == CMD_EAGAIN) {
2092 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
2093 break;
2094 }
2095 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
2096 xpt_done(ccb);
2097 continue;
2098 }
2099 isp->isp_nactive++;
2100 ccb->ccb_h.status = CAM_REQ_INPROG | CAM_SIM_QUEUED;
2101 if (xfrlen) {
2102 ccb->ccb_h.spriv_field0 = atp->bytes_xfered;
2103 } else {
2104 ccb->ccb_h.spriv_field0 = ~0;
2105 }
2106 atp->ctcnt++;
2107 atp->seqno++;
2108 }
2109 rls_lun_statep(isp, tptr);
2110 }
2111
2112 static void
isp_refire_putback_atio(void * arg)2113 isp_refire_putback_atio(void *arg)
2114 {
2115 union ccb *ccb = arg;
2116 ispsoftc_t *isp = XS_ISP(ccb);
2117 ISP_LOCK(isp);
2118 isp_target_putback_atio(ccb);
2119 ISP_UNLOCK(isp);
2120 }
2121
2122 static void
isp_refire_notify_ack(void * arg)2123 isp_refire_notify_ack(void *arg)
2124 {
2125 isp_tna_t *tp = arg;
2126 ispsoftc_t *isp = tp->isp;
2127 ISP_LOCK(isp);
2128 if (isp_notify_ack(isp, tp->not)) {
2129 (void) timeout(isp_refire_notify_ack, tp, 5);
2130 } else {
2131 free(tp, M_DEVBUF);
2132 }
2133 ISP_UNLOCK(isp);
2134 }
2135
2136
2137 static void
isp_target_putback_atio(union ccb * ccb)2138 isp_target_putback_atio(union ccb *ccb)
2139 {
2140 ispsoftc_t *isp;
2141 struct ccb_scsiio *cso;
2142 void *qe;
2143
2144 isp = XS_ISP(ccb);
2145
2146 qe = isp_getrqentry(isp);
2147 if (qe == NULL) {
2148 xpt_print(ccb->ccb_h.path,
2149 "%s: Request Queue Overflow\n", __func__);
2150 (void) timeout(isp_refire_putback_atio, ccb, 10);
2151 return;
2152 }
2153 memset(qe, 0, QENTRY_LEN);
2154 cso = &ccb->csio;
2155 if (IS_FC(isp)) {
2156 at2_entry_t local, *at = &local;
2157 ISP_MEMZERO(at, sizeof (at2_entry_t));
2158 at->at_header.rqs_entry_type = RQSTYPE_ATIO2;
2159 at->at_header.rqs_entry_count = 1;
2160 if (ISP_CAP_SCCFW(isp)) {
2161 at->at_scclun = (uint16_t) ccb->ccb_h.target_lun;
2162 } else {
2163 at->at_lun = (uint8_t) ccb->ccb_h.target_lun;
2164 }
2165 at->at_status = CT_OK;
2166 at->at_rxid = cso->tag_id;
2167 at->at_iid = cso->ccb_h.target_id;
2168 isp_put_atio2(isp, at, qe);
2169 } else {
2170 at_entry_t local, *at = &local;
2171 ISP_MEMZERO(at, sizeof (at_entry_t));
2172 at->at_header.rqs_entry_type = RQSTYPE_ATIO;
2173 at->at_header.rqs_entry_count = 1;
2174 at->at_iid = cso->init_id;
2175 at->at_iid |= XS_CHANNEL(ccb) << 7;
2176 at->at_tgt = cso->ccb_h.target_id;
2177 at->at_lun = cso->ccb_h.target_lun;
2178 at->at_status = CT_OK;
2179 at->at_tag_val = AT_GET_TAG(cso->tag_id);
2180 at->at_handle = AT_GET_HANDLE(cso->tag_id);
2181 isp_put_atio(isp, at, qe);
2182 }
2183 ISP_TDQE(isp, "isp_target_putback_atio", isp->isp_reqidx, qe);
2184 ISP_SYNC_REQUEST(isp);
2185 isp_complete_ctio(ccb);
2186 }
2187
2188 static void
isp_complete_ctio(union ccb * ccb)2189 isp_complete_ctio(union ccb *ccb)
2190 {
2191 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) {
2192 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
2193 xpt_done(ccb);
2194 }
2195 }
2196
2197 /*
2198 * Handle ATIO stuff that the generic code can't.
2199 * This means handling CDBs.
2200 */
2201
2202 static void
isp_handle_platform_atio(ispsoftc_t * isp,at_entry_t * aep)2203 isp_handle_platform_atio(ispsoftc_t *isp, at_entry_t *aep)
2204 {
2205 tstate_t *tptr;
2206 int status, bus;
2207 struct ccb_accept_tio *atiop;
2208 atio_private_data_t *atp;
2209
2210 /*
2211 * The firmware status (except for the QLTM_SVALID bit)
2212 * indicates why this ATIO was sent to us.
2213 *
2214 * If QLTM_SVALID is set, the firmware has recommended Sense Data.
2215 *
2216 * If the DISCONNECTS DISABLED bit is set in the flags field,
2217 * we're still connected on the SCSI bus.
2218 */
2219 status = aep->at_status;
2220 if ((status & ~QLTM_SVALID) == AT_PHASE_ERROR) {
2221 /*
2222 * Bus Phase Sequence error. We should have sense data
2223 * suggested by the f/w. I'm not sure quite yet what
2224 * to do about this for CAM.
2225 */
2226 isp_prt(isp, ISP_LOGWARN, "PHASE ERROR");
2227 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
2228 return;
2229 }
2230 if ((status & ~QLTM_SVALID) != AT_CDB) {
2231 isp_prt(isp, ISP_LOGWARN, "bad atio (0x%x) leaked to platform", status);
2232 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
2233 return;
2234 }
2235
2236 bus = GET_BUS_VAL(aep->at_iid);
2237 tptr = get_lun_statep(isp, bus, aep->at_lun);
2238 if (tptr == NULL) {
2239 tptr = get_lun_statep(isp, bus, CAM_LUN_WILDCARD);
2240 if (tptr == NULL) {
2241 /*
2242 * Because we can't autofeed sense data back with
2243 * a command for parallel SCSI, we can't give back
2244 * a CHECK CONDITION. We'll give back a BUSY status
2245 * instead. This works out okay because the only
2246 * time we should, in fact, get this, is in the
2247 * case that somebody configured us without the
2248 * blackhole driver, so they get what they deserve.
2249 */
2250 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
2251 return;
2252 }
2253 }
2254
2255 atp = isp_get_atpd(isp, tptr, 0);
2256 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
2257 if (atiop == NULL || atp == NULL) {
2258 /*
2259 * Because we can't autofeed sense data back with
2260 * a command for parallel SCSI, we can't give back
2261 * a CHECK CONDITION. We'll give back a QUEUE FULL status
2262 * instead. This works out okay because the only time we
2263 * should, in fact, get this, is in the case that we've
2264 * run out of ATIOS.
2265 */
2266 xpt_print(tptr->owner, "no %s for lun %d from initiator %d\n", (atp == NULL && atiop == NULL)? "ATIOs *or* ATPS" :
2267 ((atp == NULL)? "ATPs" : "ATIOs"), aep->at_lun, aep->at_iid);
2268 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
2269 if (atp) {
2270 isp_put_atpd(isp, tptr, atp);
2271 }
2272 rls_lun_statep(isp, tptr);
2273 return;
2274 }
2275 atp->tag = aep->at_handle;
2276 atp->rxid = aep->at_tag_val;
2277 atp->state = ATPD_STATE_ATIO;
2278 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
2279 tptr->atio_count--;
2280 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO count now %d\n", tptr->atio_count);
2281 atiop->ccb_h.target_id = aep->at_tgt;
2282 atiop->ccb_h.target_lun = aep->at_lun;
2283 if (aep->at_flags & AT_NODISC) {
2284 atiop->ccb_h.flags = CAM_DIS_DISCONNECT;
2285 } else {
2286 atiop->ccb_h.flags = 0;
2287 }
2288
2289 if (status & QLTM_SVALID) {
2290 size_t amt = ISP_MIN(QLTM_SENSELEN, sizeof (atiop->sense_data));
2291 atiop->sense_len = amt;
2292 ISP_MEMCPY(&atiop->sense_data, aep->at_sense, amt);
2293 } else {
2294 atiop->sense_len = 0;
2295 }
2296
2297 atiop->init_id = GET_IID_VAL(aep->at_iid);
2298 atiop->cdb_len = aep->at_cdblen;
2299 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, aep->at_cdblen);
2300 atiop->ccb_h.status = CAM_CDB_RECVD;
2301 /*
2302 * Construct a tag 'id' based upon tag value (which may be 0..255)
2303 * and the handle (which we have to preserve).
2304 */
2305 atiop->tag_id = atp->tag;
2306 if (aep->at_flags & AT_TQAE) {
2307 atiop->tag_action = aep->at_tag_type;
2308 atiop->ccb_h.status |= CAM_TAG_ACTION_VALID;
2309 }
2310 atp->orig_datalen = 0;
2311 atp->bytes_xfered = 0;
2312 atp->lun = aep->at_lun;
2313 atp->nphdl = aep->at_iid;
2314 atp->portid = PORT_NONE;
2315 atp->oxid = 0;
2316 atp->cdb0 = atiop->cdb_io.cdb_bytes[0];
2317 atp->tattr = aep->at_tag_type;
2318 atp->state = ATPD_STATE_CAM;
2319 isp_prt(isp, ISP_LOGTDEBUG0, "ATIO[0x%x] CDB=0x%x lun %d", aep->at_tag_val, atp->cdb0, atp->lun);
2320 rls_lun_statep(isp, tptr);
2321 }
2322
2323 static void
isp_handle_platform_atio2(ispsoftc_t * isp,at2_entry_t * aep)2324 isp_handle_platform_atio2(ispsoftc_t *isp, at2_entry_t *aep)
2325 {
2326 lun_id_t lun;
2327 fcportdb_t *lp;
2328 tstate_t *tptr;
2329 struct ccb_accept_tio *atiop;
2330 uint16_t nphdl;
2331 atio_private_data_t *atp;
2332 inot_private_data_t *ntp;
2333
2334 /*
2335 * The firmware status (except for the QLTM_SVALID bit)
2336 * indicates why this ATIO was sent to us.
2337 *
2338 * If QLTM_SVALID is set, the firmware has recommended Sense Data.
2339 */
2340 if ((aep->at_status & ~QLTM_SVALID) != AT_CDB) {
2341 isp_prt(isp, ISP_LOGWARN, "bogus atio (0x%x) leaked to platform", aep->at_status);
2342 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
2343 return;
2344 }
2345
2346 if (ISP_CAP_SCCFW(isp)) {
2347 lun = aep->at_scclun;
2348 } else {
2349 lun = aep->at_lun;
2350 }
2351 if (ISP_CAP_2KLOGIN(isp)) {
2352 nphdl = ((at2e_entry_t *)aep)->at_iid;
2353 } else {
2354 nphdl = aep->at_iid;
2355 }
2356 tptr = get_lun_statep(isp, 0, lun);
2357 if (tptr == NULL) {
2358 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD);
2359 if (tptr == NULL) {
2360 isp_prt(isp, ISP_LOGWARN, "%s: [0x%x] no state pointer for lun %d or wildcard", __func__, aep->at_rxid, lun);
2361 if (lun == 0) {
2362 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
2363 } else {
2364 isp_endcmd(isp, aep, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0);
2365 }
2366 return;
2367 }
2368 }
2369
2370 /*
2371 * Start any commands pending resources first.
2372 */
2373 if (tptr->restart_queue) {
2374 inot_private_data_t *restart_queue = tptr->restart_queue;
2375 tptr->restart_queue = NULL;
2376 while (restart_queue) {
2377 ntp = restart_queue;
2378 restart_queue = ntp->rd.nt.nt_hba;
2379 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at2_entry_t *)ntp->rd.data)->at_rxid);
2380 isp_handle_platform_atio2(isp, (at2_entry_t *) ntp->rd.data);
2381 isp_put_ntpd(isp, tptr, ntp);
2382 /*
2383 * If a recursion caused the restart queue to start to fill again,
2384 * stop and splice the new list on top of the old list and restore
2385 * it and go to noresrc.
2386 */
2387 if (tptr->restart_queue) {
2388 ntp = tptr->restart_queue;
2389 tptr->restart_queue = restart_queue;
2390 while (restart_queue->rd.nt.nt_hba) {
2391 restart_queue = restart_queue->rd.nt.nt_hba;
2392 }
2393 restart_queue->rd.nt.nt_hba = ntp;
2394 goto noresrc;
2395 }
2396 }
2397 }
2398
2399 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
2400 if (atiop == NULL) {
2401 goto noresrc;
2402 }
2403
2404 atp = isp_get_atpd(isp, tptr, 0);
2405 if (atp == NULL) {
2406 goto noresrc;
2407 }
2408
2409 atp->tag = aep->at_rxid;
2410 atp->state = ATPD_STATE_ATIO;
2411 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
2412 tptr->atio_count--;
2413 isp_prt(isp, ISP_LOGTDEBUG2, "Take FREE ATIO count now %d", tptr->atio_count);
2414 atiop->ccb_h.target_id = FCPARAM(isp, 0)->isp_loopid;
2415 atiop->ccb_h.target_lun = lun;
2416
2417 /*
2418 * We don't get 'suggested' sense data as we do with SCSI cards.
2419 */
2420 atiop->sense_len = 0;
2421 if (ISP_CAP_2KLOGIN(isp)) {
2422 /*
2423 * NB: We could not possibly have 2K logins if we
2424 * NB: also did not have SCC FW.
2425 */
2426 atiop->init_id = ((at2e_entry_t *)aep)->at_iid;
2427 } else {
2428 atiop->init_id = aep->at_iid;
2429 }
2430
2431 /*
2432 * If we're not in the port database, add ourselves.
2433 */
2434 if (!IS_2100(isp) && isp_find_pdb_by_loopid(isp, 0, atiop->init_id, &lp) == 0) {
2435 uint64_t iid =
2436 (((uint64_t) aep->at_wwpn[0]) << 48) |
2437 (((uint64_t) aep->at_wwpn[1]) << 32) |
2438 (((uint64_t) aep->at_wwpn[2]) << 16) |
2439 (((uint64_t) aep->at_wwpn[3]) << 0);
2440 /*
2441 * However, make sure we delete ourselves if otherwise
2442 * we were there but at a different loop id.
2443 */
2444 if (isp_find_pdb_by_wwn(isp, 0, iid, &lp)) {
2445 isp_del_wwn_entry(isp, 0, iid, lp->handle, lp->portid);
2446 }
2447 isp_add_wwn_entry(isp, 0, iid, atiop->init_id, PORT_ANY, 0);
2448 }
2449 atiop->cdb_len = ATIO2_CDBLEN;
2450 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, ATIO2_CDBLEN);
2451 atiop->ccb_h.status = CAM_CDB_RECVD;
2452 atiop->tag_id = atp->tag;
2453 switch (aep->at_taskflags & ATIO2_TC_ATTR_MASK) {
2454 case ATIO2_TC_ATTR_SIMPLEQ:
2455 atiop->ccb_h.flags = CAM_TAG_ACTION_VALID;
2456 atiop->tag_action = MSG_SIMPLE_Q_TAG;
2457 break;
2458 case ATIO2_TC_ATTR_HEADOFQ:
2459 atiop->ccb_h.flags = CAM_TAG_ACTION_VALID;
2460 atiop->tag_action = MSG_HEAD_OF_Q_TAG;
2461 break;
2462 case ATIO2_TC_ATTR_ORDERED:
2463 atiop->ccb_h.flags = CAM_TAG_ACTION_VALID;
2464 atiop->tag_action = MSG_ORDERED_Q_TAG;
2465 break;
2466 case ATIO2_TC_ATTR_ACAQ: /* ?? */
2467 case ATIO2_TC_ATTR_UNTAGGED:
2468 default:
2469 atiop->tag_action = 0;
2470 break;
2471 }
2472
2473 atp->orig_datalen = aep->at_datalen;
2474 atp->bytes_xfered = 0;
2475 atp->lun = lun;
2476 atp->nphdl = atiop->init_id;
2477 atp->sid = PORT_ANY;
2478 atp->oxid = aep->at_oxid;
2479 atp->cdb0 = aep->at_cdb[0];
2480 atp->tattr = aep->at_taskflags & ATIO2_TC_ATTR_MASK;
2481 atp->state = ATPD_STATE_CAM;
2482 xpt_done((union ccb *)atiop);
2483 isp_prt(isp, ISP_LOGTDEBUG0, "ATIO2[0x%x] CDB=0x%x lun %d datalen %u", aep->at_rxid, atp->cdb0, lun, atp->orig_datalen);
2484 rls_lun_statep(isp, tptr);
2485 return;
2486 noresrc:
2487 ntp = isp_get_ntpd(isp, tptr);
2488 if (ntp == NULL) {
2489 rls_lun_statep(isp, tptr);
2490 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_BUSY, 0);
2491 return;
2492 }
2493 memcpy(ntp->rd.data, aep, QENTRY_LEN);
2494 ntp->rd.nt.nt_hba = tptr->restart_queue;
2495 tptr->restart_queue = ntp;
2496 rls_lun_statep(isp, tptr);
2497 }
2498
2499 static void
isp_handle_platform_atio7(ispsoftc_t * isp,at7_entry_t * aep)2500 isp_handle_platform_atio7(ispsoftc_t *isp, at7_entry_t *aep)
2501 {
2502 int cdbxlen;
2503 uint16_t lun, chan, nphdl = NIL_HANDLE;
2504 uint32_t did, sid;
2505 uint64_t wwn = INI_NONE;
2506 fcportdb_t *lp;
2507 tstate_t *tptr;
2508 struct ccb_accept_tio *atiop;
2509 atio_private_data_t *atp = NULL;
2510 atio_private_data_t *oatp;
2511 inot_private_data_t *ntp;
2512
2513 did = (aep->at_hdr.d_id[0] << 16) | (aep->at_hdr.d_id[1] << 8) | aep->at_hdr.d_id[2];
2514 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2];
2515 lun = (aep->at_cmnd.fcp_cmnd_lun[0] << 8) | aep->at_cmnd.fcp_cmnd_lun[1];
2516
2517 /*
2518 * Find the N-port handle, and Virtual Port Index for this command.
2519 *
2520 * If we can't, we're somewhat in trouble because we can't actually respond w/o that information.
2521 * We also, as a matter of course, need to know the WWN of the initiator too.
2522 */
2523 if (ISP_CAP_MULTI_ID(isp)) {
2524 /*
2525 * Find the right channel based upon D_ID
2526 */
2527 isp_find_chan_by_did(isp, did, &chan);
2528
2529 if (chan == ISP_NOCHAN) {
2530 NANOTIME_T now;
2531
2532 /*
2533 * If we don't recognizer our own D_DID, terminate the exchange, unless we're within 2 seconds of startup
2534 * It's a bit tricky here as we need to stash this command *somewhere*.
2535 */
2536 GET_NANOTIME(&now);
2537 if (NANOTIME_SUB(&isp->isp_init_time, &now) > 2000000000ULL) {
2538 isp_prt(isp, ISP_LOGWARN, "%s: [RX_ID 0x%x] D_ID %x not found on any channel- dropping", __func__, aep->at_rxid, did);
2539 isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, ECMD_TERMINATE, 0);
2540 return;
2541 }
2542 tptr = get_lun_statep(isp, 0, 0);
2543 if (tptr == NULL) {
2544 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD);
2545 if (tptr == NULL) {
2546 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);
2547 isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, ECMD_TERMINATE, 0);
2548 return;
2549 }
2550 }
2551 isp_prt(isp, ISP_LOGWARN, "%s: [RX_ID 0x%x] D_ID %x not found on any channel- deferring", __func__, aep->at_rxid, did);
2552 goto noresrc;
2553 }
2554 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);
2555 } else {
2556 chan = 0;
2557 }
2558
2559 /*
2560 * Find the PDB entry for this initiator
2561 */
2562 if (isp_find_pdb_by_sid(isp, chan, sid, &lp) == 0) {
2563 /*
2564 * If we're not in the port database terminate the exchange.
2565 */
2566 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",
2567 __func__, aep->at_rxid, did, chan, sid);
2568 isp_endcmd(isp, aep, NIL_HANDLE, chan, ECMD_TERMINATE, 0);
2569 return;
2570 }
2571 nphdl = lp->handle;
2572 wwn = lp->port_wwn;
2573
2574 /*
2575 * Get the tstate pointer
2576 */
2577 tptr = get_lun_statep(isp, chan, lun);
2578 if (tptr == NULL) {
2579 tptr = get_lun_statep(isp, chan, CAM_LUN_WILDCARD);
2580 if (tptr == NULL) {
2581 isp_prt(isp, ISP_LOGWARN, "%s: [0x%x] no state pointer for lun %d or wildcard", __func__, aep->at_rxid, lun);
2582 if (lun == 0) {
2583 isp_endcmd(isp, aep, nphdl, SCSI_STATUS_BUSY, 0);
2584 } else {
2585 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0);
2586 }
2587 return;
2588 }
2589 }
2590
2591 /*
2592 * Start any commands pending resources first.
2593 */
2594 if (tptr->restart_queue) {
2595 inot_private_data_t *restart_queue = tptr->restart_queue;
2596 tptr->restart_queue = NULL;
2597 while (restart_queue) {
2598 ntp = restart_queue;
2599 restart_queue = ntp->rd.nt.nt_hba;
2600 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at7_entry_t *)ntp->rd.data)->at_rxid);
2601 isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->rd.data);
2602 isp_put_ntpd(isp, tptr, ntp);
2603 /*
2604 * If a recursion caused the restart queue to start to fill again,
2605 * stop and splice the new list on top of the old list and restore
2606 * it and go to noresrc.
2607 */
2608 if (tptr->restart_queue) {
2609 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restart queue refilling", __func__);
2610 if (restart_queue) {
2611 ntp = tptr->restart_queue;
2612 tptr->restart_queue = restart_queue;
2613 while (restart_queue->rd.nt.nt_hba) {
2614 restart_queue = restart_queue->rd.nt.nt_hba;
2615 }
2616 restart_queue->rd.nt.nt_hba = ntp;
2617 }
2618 goto noresrc;
2619 }
2620 }
2621 }
2622
2623 /*
2624 * If the f/w is out of resources, just send a BUSY status back.
2625 */
2626 if (aep->at_rxid == AT7_NORESRC_RXID) {
2627 rls_lun_statep(isp, tptr);
2628 isp_endcmd(isp, aep, nphdl, chan, SCSI_BUSY, 0);
2629 return;
2630 }
2631
2632 /*
2633 * If we're out of resources, just send a BUSY status back.
2634 */
2635 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
2636 if (atiop == NULL) {
2637 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atios", aep->at_rxid);
2638 goto noresrc;
2639 }
2640
2641 atp = isp_get_atpd(isp, tptr, 0);
2642 if (atp == NULL) {
2643 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atps", aep->at_rxid);
2644 goto noresrc;
2645 }
2646 oatp = isp_get_atpd(isp, tptr, aep->at_rxid);
2647 if (oatp) {
2648 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) oatp state %d",
2649 aep->at_rxid, nphdl, sid, aep->at_hdr.ox_id, oatp->state);
2650 /*
2651 * It's not a "no resource" condition- but we can treat it like one
2652 */
2653 goto noresrc;
2654 }
2655 atp->word3 = lp->prli_word3;
2656 atp->tag = aep->at_rxid;
2657 atp->state = ATPD_STATE_ATIO;
2658 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
2659 tptr->atio_count--;
2660 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO count now %d\n", tptr->atio_count);
2661 atiop->init_id = nphdl;
2662 atiop->ccb_h.target_id = FCPARAM(isp, chan)->isp_loopid;
2663 atiop->ccb_h.target_lun = lun;
2664 atiop->sense_len = 0;
2665 cdbxlen = aep->at_cmnd.fcp_cmnd_alen_datadir >> FCP_CMND_ADDTL_CDBLEN_SHIFT;
2666 if (cdbxlen) {
2667 isp_prt(isp, ISP_LOGWARN, "additional CDBLEN ignored");
2668 }
2669 cdbxlen = sizeof (aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb);
2670 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb, cdbxlen);
2671 atiop->cdb_len = cdbxlen;
2672 atiop->ccb_h.status = CAM_CDB_RECVD;
2673 atiop->tag_id = atp->tag;
2674 switch (aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK) {
2675 case FCP_CMND_TASK_ATTR_SIMPLE:
2676 atiop->ccb_h.flags = CAM_TAG_ACTION_VALID;
2677 atiop->tag_action = MSG_SIMPLE_Q_TAG;
2678 break;
2679 case FCP_CMND_TASK_ATTR_HEAD:
2680 atiop->ccb_h.flags = CAM_TAG_ACTION_VALID;
2681 atiop->tag_action = MSG_HEAD_OF_Q_TAG;
2682 break;
2683 case FCP_CMND_TASK_ATTR_ORDERED:
2684 atiop->ccb_h.flags = CAM_TAG_ACTION_VALID;
2685 atiop->tag_action = MSG_ORDERED_Q_TAG;
2686 break;
2687 default:
2688 /* FALLTHROUGH */
2689 case FCP_CMND_TASK_ATTR_ACA:
2690 case FCP_CMND_TASK_ATTR_UNTAGGED:
2691 atiop->tag_action = 0;
2692 break;
2693 }
2694 atp->orig_datalen = aep->at_cmnd.cdb_dl.sf.fcp_cmnd_dl;
2695 atp->bytes_xfered = 0;
2696 atp->lun = lun;
2697 atp->nphdl = nphdl;
2698 atp->portid = sid;
2699 atp->oxid = aep->at_hdr.ox_id;
2700 atp->rxid = aep->at_hdr.rx_id;
2701 atp->cdb0 = atiop->cdb_io.cdb_bytes[0];
2702 atp->tattr = aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK;
2703 atp->state = ATPD_STATE_CAM;
2704 isp_prt(isp, ISP_LOGTDEBUG0, "ATIO7[0x%x] CDB=0x%x lun %d datalen %u", aep->at_rxid, atp->cdb0, lun, atp->orig_datalen);
2705 xpt_done((union ccb *)atiop);
2706 rls_lun_statep(isp, tptr);
2707 return;
2708 noresrc:
2709 if (atp) {
2710 isp_put_atpd(isp, tptr, atp);
2711 }
2712 ntp = isp_get_ntpd(isp, tptr);
2713 if (ntp == NULL) {
2714 rls_lun_statep(isp, tptr);
2715 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0);
2716 return;
2717 }
2718 memcpy(ntp->rd.data, aep, QENTRY_LEN);
2719 ntp->rd.nt.nt_hba = tptr->restart_queue;
2720 tptr->restart_queue = ntp;
2721 rls_lun_statep(isp, tptr);
2722 }
2723
2724
2725 /*
2726 * Handle starting an SRR (sequence retransmit request)
2727 * We get here when we've gotten the immediate notify
2728 * and the return of all outstanding CTIOs for this
2729 * transaction.
2730 */
2731 static void
isp_handle_srr_start(ispsoftc_t * isp,tstate_t * tptr,atio_private_data_t * atp)2732 isp_handle_srr_start(ispsoftc_t *isp, tstate_t *tptr, atio_private_data_t *atp)
2733 {
2734 in_fcentry_24xx_t *inot;
2735 uint32_t srr_off, ccb_off, ccb_len, ccb_end;
2736 union ccb *ccb;
2737
2738 inot = (in_fcentry_24xx_t *)atp->srr;
2739 srr_off = inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16);
2740 ccb = atp->srr_ccb;
2741 atp->srr_ccb = NULL;
2742 atp->nsrr++;
2743 if (ccb == NULL) {
2744 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] null ccb", atp->tag);
2745 goto fail;
2746 }
2747
2748 ccb_off = ccb->ccb_h.spriv_field0;
2749 ccb_len = ccb->csio.dxfer_len;
2750 ccb_end = (ccb_off == ~0)? ~0 : ccb_off + ccb_len;
2751
2752 switch (inot->in_srr_iu) {
2753 case R_CTL_INFO_SOLICITED_DATA:
2754 /*
2755 * We have to restart a FCP_DATA data out transaction
2756 */
2757 atp->sendst = 0;
2758 atp->bytes_xfered = srr_off;
2759 if (ccb_len == 0) {
2760 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x but current CCB doesn't transfer data", atp->tag, srr_off);
2761 goto mdp;
2762 }
2763 if (srr_off < ccb_off || ccb_off > srr_off + ccb_len) {
2764 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x not covered by current CCB data range [0x%x..0x%x]", atp->tag, srr_off, ccb_off, ccb_end);
2765 goto mdp;
2766 }
2767 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x covered by current CCB data range [0x%x..0x%x]", atp->tag, srr_off, ccb_off, ccb_end);
2768 break;
2769 case R_CTL_INFO_COMMAND_STATUS:
2770 isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] Got an FCP RSP SRR- resending status", atp->tag);
2771 atp->sendst = 1;
2772 /*
2773 * We have to restart a FCP_RSP IU transaction
2774 */
2775 break;
2776 case R_CTL_INFO_DATA_DESCRIPTOR:
2777 /*
2778 * We have to restart an FCP DATA in transaction
2779 */
2780 isp_prt(isp, ISP_LOGWARN, "Got an FCP DATA IN SRR- dropping");
2781 goto fail;
2782
2783 default:
2784 isp_prt(isp, ISP_LOGWARN, "Got an unknown information (%x) SRR- dropping", inot->in_srr_iu);
2785 goto fail;
2786 }
2787
2788 /*
2789 * We can't do anything until this is acked, so we might as well start it now.
2790 * We aren't going to do the usual asynchronous ack issue because we need
2791 * to make sure this gets on the wire first.
2792 */
2793 if (isp_notify_ack(isp, inot)) {
2794 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose");
2795 goto fail;
2796 }
2797 isp_target_start_ctio(isp, ccb, FROM_SRR);
2798 return;
2799 fail:
2800 inot->in_reserved = 1;
2801 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2802 ccb->ccb_h.status &= ~CAM_STATUS_MASK;
2803 ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
2804 isp_complete_ctio(ccb);
2805 return;
2806 mdp:
2807 if (isp_notify_ack(isp, inot)) {
2808 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose");
2809 goto fail;
2810 }
2811 ccb->ccb_h.status &= ~CAM_STATUS_MASK;
2812 ccb->ccb_h.status = CAM_MESSAGE_RECV;
2813 /*
2814 * This is not a strict interpretation of MDP, but it's close
2815 */
2816 ccb->csio.msg_ptr = &ccb->csio.sense_data.sense_buf[SSD_FULL_SIZE - 16];
2817 ccb->csio.msg_len = 7;
2818 ccb->csio.msg_ptr[0] = MSG_EXTENDED;
2819 ccb->csio.msg_ptr[1] = 5;
2820 ccb->csio.msg_ptr[2] = 0; /* modify data pointer */
2821 ccb->csio.msg_ptr[3] = srr_off >> 24;
2822 ccb->csio.msg_ptr[4] = srr_off >> 16;
2823 ccb->csio.msg_ptr[5] = srr_off >> 8;
2824 ccb->csio.msg_ptr[6] = srr_off;
2825 isp_complete_ctio(ccb);
2826 }
2827
2828
2829 static void
isp_handle_srr_notify(ispsoftc_t * isp,void * inot_raw)2830 isp_handle_srr_notify(ispsoftc_t *isp, void *inot_raw)
2831 {
2832 tstate_t *tptr;
2833 in_fcentry_24xx_t *inot = inot_raw;
2834 atio_private_data_t *atp;
2835 uint32_t tag = inot->in_rxid;
2836 uint32_t bus = inot->in_vpidx;
2837
2838 if (!IS_24XX(isp)) {
2839 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot_raw);
2840 return;
2841 }
2842
2843 tptr = get_lun_statep_from_tag(isp, bus, tag);
2844 if (tptr == NULL) {
2845 isp_prt(isp, ISP_LOGERR, "%s: cannot find tptr for tag %x in SRR Notify", __func__, tag);
2846 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2847 return;
2848 }
2849 atp = isp_get_atpd(isp, tptr, tag);
2850 if (atp == NULL) {
2851 rls_lun_statep(isp, tptr);
2852 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x in SRR Notify", __func__, tag);
2853 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2854 return;
2855 }
2856 atp->srr_notify_rcvd = 1;
2857 memcpy(atp->srr, inot, sizeof (atp->srr));
2858 isp_prt(isp, ISP_LOGTINFO /* ISP_LOGTDEBUG0 */, "SRR[0x%x] inot->in_rxid flags 0x%x srr_iu=%x reloff 0x%x", inot->in_rxid, inot->in_flags, inot->in_srr_iu,
2859 inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16));
2860 if (atp->srr_ccb)
2861 isp_handle_srr_start(isp, tptr, atp);
2862 rls_lun_statep(isp, tptr);
2863 }
2864
2865 static void
isp_handle_platform_ctio(ispsoftc_t * isp,void * arg)2866 isp_handle_platform_ctio(ispsoftc_t *isp, void *arg)
2867 {
2868 union ccb *ccb;
2869 int sentstatus = 0, ok = 0, notify_cam = 0, resid = 0, failure = 0;
2870 tstate_t *tptr = NULL;
2871 atio_private_data_t *atp = NULL;
2872 int bus;
2873 uint32_t handle, moved_data = 0, data_requested;
2874
2875 /*
2876 * CTIO handles are 16 bits.
2877 * CTIO2 and CTIO7 are 32 bits.
2878 */
2879
2880 if (IS_SCSI(isp)) {
2881 handle = ((ct_entry_t *)arg)->ct_syshandle;
2882 } else {
2883 handle = ((ct2_entry_t *)arg)->ct_syshandle;
2884 }
2885 ccb = isp_find_xs_tgt(isp, handle);
2886 if (ccb == NULL) {
2887 isp_print_bytes(isp, "null ccb in isp_handle_platform_ctio", QENTRY_LEN, arg);
2888 return;
2889 }
2890 isp_destroy_tgt_handle(isp, handle);
2891 data_requested = PISP_PCMD(ccb)->datalen;
2892 isp_free_pcmd(isp, ccb);
2893 if (isp->isp_nactive) {
2894 isp->isp_nactive--;
2895 }
2896
2897 bus = XS_CHANNEL(ccb);
2898 tptr = get_lun_statep(isp, bus, XS_LUN(ccb));
2899 if (tptr == NULL) {
2900 tptr = get_lun_statep(isp, bus, CAM_LUN_WILDCARD);
2901 }
2902 if (tptr == NULL) {
2903 isp_prt(isp, ISP_LOGERR, "%s: cannot find tptr for tag %x after I/O", __func__, ccb->csio.tag_id);
2904 return;
2905 }
2906
2907 if (IS_24XX(isp)) {
2908 atp = isp_get_atpd(isp, tptr, ((ct7_entry_t *)arg)->ct_rxid);
2909 } else if (IS_FC(isp)) {
2910 atp = isp_get_atpd(isp, tptr, ((ct2_entry_t *)arg)->ct_rxid);
2911 } else {
2912 atp = isp_get_atpd(isp, tptr, ((ct_entry_t *)arg)->ct_fwhandle);
2913 }
2914 if (atp == NULL) {
2915 rls_lun_statep(isp, tptr);
2916 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x after I/O", __func__, ccb->csio.tag_id);
2917 return;
2918 }
2919 KASSERT((atp->ctcnt > 0), ("ctio count not greater than zero"));
2920 atp->bytes_in_transit -= data_requested;
2921 atp->ctcnt -= 1;
2922 ccb->ccb_h.status &= ~CAM_STATUS_MASK;
2923
2924 if (IS_24XX(isp)) {
2925 ct7_entry_t *ct = arg;
2926
2927 if (ct->ct_nphdl == CT7_SRR) {
2928 atp->srr_ccb = ccb;
2929 if (atp->srr_notify_rcvd)
2930 isp_handle_srr_start(isp, tptr, atp);
2931 rls_lun_statep(isp, tptr);
2932 return;
2933 }
2934 if (ct->ct_nphdl == CT_HBA_RESET) {
2935 failure = CAM_UNREC_HBA_ERROR;
2936 } else {
2937 sentstatus = ct->ct_flags & CT7_SENDSTATUS;
2938 ok = (ct->ct_nphdl == CT7_OK);
2939 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0;
2940 if ((ct->ct_flags & CT7_DATAMASK) != CT7_NO_DATA) {
2941 resid = ct->ct_resid;
2942 moved_data = data_requested - resid;
2943 }
2944 }
2945 isp_prt(isp, ok? ISP_LOGTDEBUG0 : ISP_LOGWARN, "%s: CTIO7[%x] seq %u nc %d sts 0x%x flg 0x%x sns %d resid %d %s", __func__, ct->ct_rxid, ATPD_GET_SEQNO(ct),
2946 notify_cam, ct->ct_nphdl, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID");
2947 } else if (IS_FC(isp)) {
2948 ct2_entry_t *ct = arg;
2949 if (ct->ct_status == CT_SRR) {
2950 atp->srr_ccb = ccb;
2951 if (atp->srr_notify_rcvd)
2952 isp_handle_srr_start(isp, tptr, atp);
2953 rls_lun_statep(isp, tptr);
2954 isp_target_putback_atio(ccb);
2955 return;
2956 }
2957 if (ct->ct_status == CT_HBA_RESET) {
2958 failure = CAM_UNREC_HBA_ERROR;
2959 } else {
2960 sentstatus = ct->ct_flags & CT2_SENDSTATUS;
2961 ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK;
2962 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0;
2963 if ((ct->ct_flags & CT2_DATAMASK) != CT2_NO_DATA) {
2964 resid = ct->ct_resid;
2965 moved_data = data_requested - resid;
2966 }
2967 }
2968 isp_prt(isp, ok? ISP_LOGTDEBUG0 : ISP_LOGWARN, "%s: CTIO2[%x] seq %u nc %d sts 0x%x flg 0x%x sns %d resid %d %s", __func__, ct->ct_rxid, ATPD_GET_SEQNO(ct),
2969 notify_cam, ct->ct_status, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID");
2970 } else {
2971 ct_entry_t *ct = arg;
2972
2973 if (ct->ct_status == (CT_HBA_RESET & 0xff)) {
2974 failure = CAM_UNREC_HBA_ERROR;
2975 } else {
2976 sentstatus = ct->ct_flags & CT_SENDSTATUS;
2977 ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK;
2978 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0;
2979 }
2980 if ((ct->ct_flags & CT_DATAMASK) != CT_NO_DATA) {
2981 resid = ct->ct_resid;
2982 moved_data = data_requested - resid;
2983 }
2984 isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO[%x] seq %u nc %d tag %x S_ID 0x%x lun %d sts %x flg %x resid %d %s", __func__, ct->ct_fwhandle, ATPD_GET_SEQNO(ct),
2985 notify_cam, ct->ct_tag_val, ct->ct_iid, ct->ct_lun, ct->ct_status, ct->ct_flags, resid, sentstatus? "FIN" : "MID");
2986 }
2987 if (ok) {
2988 if (moved_data) {
2989 atp->bytes_xfered += moved_data;
2990 ccb->csio.resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit;
2991 }
2992 if (sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE)) {
2993 ccb->ccb_h.status |= CAM_SENT_SENSE;
2994 }
2995 ccb->ccb_h.status |= CAM_REQ_CMP;
2996 } else {
2997 notify_cam = 1;
2998 if (failure == CAM_UNREC_HBA_ERROR)
2999 ccb->ccb_h.status |= CAM_UNREC_HBA_ERROR;
3000 else
3001 ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
3002 }
3003 atp->state = ATPD_STATE_PDON;
3004 rls_lun_statep(isp, tptr);
3005
3006 /*
3007 * We never *not* notify CAM when there has been any error (ok == 0),
3008 * so we never need to do an ATIO putback if we're not notifying CAM.
3009 */
3010 isp_prt(isp, ISP_LOGTDEBUG0, "%s CTIO[0x%x] done (ok=%d nc=%d nowsendstatus=%d ccb ss=%d)",
3011 (sentstatus)? " FINAL " : "MIDTERM ", atp->tag, ok, notify_cam, atp->sendst, (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0);
3012 if (notify_cam == 0) {
3013 if (atp->sendst) {
3014 isp_target_start_ctio(isp, ccb, FROM_CTIO_DONE);
3015 }
3016 return;
3017 }
3018
3019 /*
3020 * We're telling CAM we're done with this CTIO transaction.
3021 *
3022 * 24XX cards never need an ATIO put back.
3023 *
3024 * Other cards need one put back only on error.
3025 * In the latter case, a timeout will re-fire
3026 * and try again in case we didn't have
3027 * queue resources to do so at first. In any case,
3028 * once the putback is done we do the completion
3029 * call.
3030 */
3031 if (ok || IS_24XX(isp)) {
3032 isp_complete_ctio(ccb);
3033 } else {
3034 isp_target_putback_atio(ccb);
3035 }
3036 }
3037
3038 static void
isp_handle_platform_notify_scsi(ispsoftc_t * isp,in_entry_t * inot)3039 isp_handle_platform_notify_scsi(ispsoftc_t *isp, in_entry_t *inot)
3040 {
3041 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
3042 }
3043
3044 static void
isp_handle_platform_notify_fc(ispsoftc_t * isp,in_fcentry_t * inp)3045 isp_handle_platform_notify_fc(ispsoftc_t *isp, in_fcentry_t *inp)
3046 {
3047 int needack = 1;
3048 switch (inp->in_status) {
3049 case IN_PORT_LOGOUT:
3050 /*
3051 * XXX: Need to delete this initiator's WWN from the database
3052 * XXX: Need to send this LOGOUT upstream
3053 */
3054 isp_prt(isp, ISP_LOGWARN, "port logout of S_ID 0x%x", inp->in_iid);
3055 break;
3056 case IN_PORT_CHANGED:
3057 isp_prt(isp, ISP_LOGWARN, "port changed for S_ID 0x%x", inp->in_iid);
3058 break;
3059 case IN_GLOBAL_LOGO:
3060 isp_del_all_wwn_entries(isp, 0);
3061 isp_prt(isp, ISP_LOGINFO, "all ports logged out");
3062 break;
3063 case IN_ABORT_TASK:
3064 {
3065 tstate_t *tptr;
3066 uint16_t lun;
3067 uint32_t loopid;
3068 uint64_t wwn;
3069 atio_private_data_t *atp;
3070 fcportdb_t *lp;
3071 struct ccb_immediate_notify *inot = NULL;
3072
3073 if (ISP_CAP_SCCFW(isp)) {
3074 lun = inp->in_scclun;
3075 } else {
3076 lun = inp->in_lun;
3077 }
3078 if (ISP_CAP_2KLOGIN(isp)) {
3079 loopid = ((in_fcentry_e_t *)inp)->in_iid;
3080 } else {
3081 loopid = inp->in_iid;
3082 }
3083 if (isp_find_pdb_by_loopid(isp, 0, loopid, &lp)) {
3084 wwn = lp->port_wwn;
3085 } else {
3086 wwn = INI_ANY;
3087 }
3088 tptr = get_lun_statep(isp, 0, lun);
3089 if (tptr == NULL) {
3090 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD);
3091 if (tptr == NULL) {
3092 isp_prt(isp, ISP_LOGWARN, "ABORT TASK for lun %u- but no tstate", lun);
3093 return;
3094 }
3095 }
3096 atp = isp_get_atpd(isp, tptr, inp->in_seqid);
3097
3098 if (atp) {
3099 inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots);
3100 isp_prt(isp, ISP_LOGTDEBUG0, "ABORT TASK RX_ID %x WWN 0x%016llx state %d", inp->in_seqid, (unsigned long long) wwn, atp->state);
3101 if (inot) {
3102 tptr->inot_count--;
3103 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle);
3104 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, inot->ccb_h.path, "%s: Take FREE INOT count now %d\n", __func__, tptr->inot_count);
3105 } else {
3106 ISP_PATH_PRT(isp, ISP_LOGWARN, tptr->owner, "out of INOT structures\n");
3107 }
3108 } else {
3109 ISP_PATH_PRT(isp, ISP_LOGWARN, tptr->owner, "abort task RX_ID %x from wwn 0x%016llx, state unknown\n", inp->in_seqid, wwn);
3110 }
3111 if (inot) {
3112 isp_notify_t tmp, *nt = &tmp;
3113 ISP_MEMZERO(nt, sizeof (isp_notify_t));
3114 nt->nt_hba = isp;
3115 nt->nt_tgt = FCPARAM(isp, 0)->isp_wwpn;
3116 nt->nt_wwn = wwn;
3117 nt->nt_nphdl = loopid;
3118 nt->nt_sid = PORT_ANY;
3119 nt->nt_did = PORT_ANY;
3120 nt->nt_lun = lun;
3121 nt->nt_need_ack = 1;
3122 nt->nt_channel = 0;
3123 nt->nt_ncode = NT_ABORT_TASK;
3124 nt->nt_lreserved = inot;
3125 isp_handle_platform_target_tmf(isp, nt);
3126 needack = 0;
3127 }
3128 rls_lun_statep(isp, tptr);
3129 break;
3130 }
3131 default:
3132 break;
3133 }
3134 if (needack) {
3135 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inp);
3136 }
3137 }
3138
3139 static void
isp_handle_platform_notify_24xx(ispsoftc_t * isp,in_fcentry_24xx_t * inot)3140 isp_handle_platform_notify_24xx(ispsoftc_t *isp, in_fcentry_24xx_t *inot)
3141 {
3142 uint16_t nphdl;
3143 uint16_t prli_options = 0;
3144 uint32_t portid;
3145 fcportdb_t *lp;
3146 uint8_t *ptr = NULL;
3147 uint64_t wwn;
3148
3149 nphdl = inot->in_nphdl;
3150 if (nphdl != NIL_HANDLE) {
3151 portid = inot->in_portid_hi << 16 | inot->in_portid_lo;
3152 } else {
3153 portid = PORT_ANY;
3154 }
3155
3156 switch (inot->in_status) {
3157 case IN24XX_ELS_RCVD:
3158 {
3159 char buf[16], *msg;
3160 int chan = ISP_GET_VPIDX(isp, inot->in_vpidx);
3161
3162 /*
3163 * Note that we're just getting notification that an ELS was received
3164 * (possibly with some associated information sent upstream). This is
3165 * *not* the same as being given the ELS frame to accept or reject.
3166 */
3167 switch (inot->in_status_subcode) {
3168 case LOGO:
3169 msg = "LOGO";
3170 if (ISP_FW_NEWER_THAN(isp, 4, 0, 25)) {
3171 ptr = (uint8_t *)inot; /* point to unswizzled entry! */
3172 wwn = (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF]) << 56) |
3173 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+1]) << 48) |
3174 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+2]) << 40) |
3175 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+3]) << 32) |
3176 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+4]) << 24) |
3177 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+5]) << 16) |
3178 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+6]) << 8) |
3179 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+7]));
3180 } else {
3181 wwn = INI_ANY;
3182 }
3183 isp_del_wwn_entry(isp, chan, wwn, nphdl, portid);
3184 break;
3185 case PRLO:
3186 msg = "PRLO";
3187 break;
3188 case PLOGI:
3189 case PRLI:
3190 /*
3191 * Treat PRLI the same as PLOGI and make a database entry for it.
3192 */
3193 if (inot->in_status_subcode == PLOGI) {
3194 msg = "PLOGI";
3195 } else {
3196 prli_options = inot->in_prli_options;
3197 msg = "PRLI";
3198 }
3199 if (ISP_FW_NEWER_THAN(isp, 4, 0, 25)) {
3200 ptr = (uint8_t *)inot; /* point to unswizzled entry! */
3201 wwn = (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF]) << 56) |
3202 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+1]) << 48) |
3203 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+2]) << 40) |
3204 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+3]) << 32) |
3205 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+4]) << 24) |
3206 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+5]) << 16) |
3207 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+6]) << 8) |
3208 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+7]));
3209 } else {
3210 wwn = INI_NONE;
3211 }
3212 isp_add_wwn_entry(isp, chan, wwn, nphdl, portid, prli_options);
3213 break;
3214 case PDISC:
3215 msg = "PDISC";
3216 break;
3217 case ADISC:
3218 msg = "ADISC";
3219 break;
3220 default:
3221 ISP_SNPRINTF(buf, sizeof (buf), "ELS 0x%x", inot->in_status_subcode);
3222 msg = buf;
3223 break;
3224 }
3225 if (inot->in_flags & IN24XX_FLAG_PUREX_IOCB) {
3226 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);
3227 break;
3228 }
3229 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,
3230 inot->in_rxid, inot->in_oxid);
3231 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
3232 break;
3233 }
3234
3235 case IN24XX_PORT_LOGOUT:
3236 ptr = "PORT LOGOUT";
3237 if (isp_find_pdb_by_loopid(isp, ISP_GET_VPIDX(isp, inot->in_vpidx), nphdl, &lp)) {
3238 isp_del_wwn_entry(isp, ISP_GET_VPIDX(isp, inot->in_vpidx), lp->port_wwn, nphdl, lp->portid);
3239 }
3240 /* FALLTHROUGH */
3241 case IN24XX_PORT_CHANGED:
3242 if (ptr == NULL) {
3243 ptr = "PORT CHANGED";
3244 }
3245 /* FALLTHROUGH */
3246 case IN24XX_LIP_RESET:
3247 if (ptr == NULL) {
3248 ptr = "LIP RESET";
3249 }
3250 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);
3251
3252 /*
3253 * All subcodes here are irrelevant. What is relevant
3254 * is that we need to terminate all active commands from
3255 * this initiator (known by N-port handle).
3256 */
3257 /* XXX IMPLEMENT XXX */
3258 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
3259 break;
3260
3261 case IN24XX_SRR_RCVD:
3262 #ifdef ISP_TARGET_MODE
3263 isp_handle_srr_notify(isp, inot);
3264 break;
3265 #else
3266 if (ptr == NULL) {
3267 ptr = "SRR RCVD";
3268 }
3269 /* FALLTHROUGH */
3270 #endif
3271 case IN24XX_LINK_RESET:
3272 if (ptr == NULL) {
3273 ptr = "LINK RESET";
3274 }
3275 case IN24XX_LINK_FAILED:
3276 if (ptr == NULL) {
3277 ptr = "LINK FAILED";
3278 }
3279 default:
3280 isp_prt(isp, ISP_LOGWARN, "Chan %d %s", ISP_GET_VPIDX(isp, inot->in_vpidx), ptr);
3281 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
3282 break;
3283 }
3284 }
3285
3286 static int
isp_handle_platform_target_notify_ack(ispsoftc_t * isp,isp_notify_t * mp)3287 isp_handle_platform_target_notify_ack(ispsoftc_t *isp, isp_notify_t *mp)
3288 {
3289
3290 if (isp->isp_state != ISP_RUNSTATE) {
3291 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) acked- h/w not ready (dropping)", mp->nt_ncode, mp->nt_lreserved != NULL);
3292 return (0);
3293 }
3294
3295 /*
3296 * This case is for a Task Management Function, which shows up as an ATIO7 entry.
3297 */
3298 if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ATIO) {
3299 ct7_entry_t local, *cto = &local;
3300 at7_entry_t *aep = (at7_entry_t *)mp->nt_lreserved;
3301 fcportdb_t *lp;
3302 uint32_t sid;
3303 uint16_t nphdl;
3304
3305 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2];
3306 if (isp_find_pdb_by_sid(isp, mp->nt_channel, sid, &lp)) {
3307 nphdl = lp->handle;
3308 } else {
3309 nphdl = NIL_HANDLE;
3310 }
3311 ISP_MEMZERO(&local, sizeof (local));
3312 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
3313 cto->ct_header.rqs_entry_count = 1;
3314 cto->ct_nphdl = nphdl;
3315 cto->ct_rxid = aep->at_rxid;
3316 cto->ct_vpidx = mp->nt_channel;
3317 cto->ct_iid_lo = sid;
3318 cto->ct_iid_hi = sid >> 16;
3319 cto->ct_oxid = aep->at_hdr.ox_id;
3320 cto->ct_flags = CT7_SENDSTATUS|CT7_NOACK|CT7_NO_DATA|CT7_FLAG_MODE1;
3321 cto->ct_flags |= (aep->at_ta_len >> 12) << CT7_TASK_ATTR_SHIFT;
3322 return (isp_target_put_entry(isp, &local));
3323 }
3324
3325 /*
3326 * This case is for a responding to an ABTS frame
3327 */
3328 if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) {
3329
3330 /*
3331 * Overload nt_need_ack here to mark whether we've terminated the associated command.
3332 */
3333 if (mp->nt_need_ack) {
3334 uint8_t storage[QENTRY_LEN];
3335 ct7_entry_t *cto = (ct7_entry_t *) storage;
3336 abts_t *abts = (abts_t *)mp->nt_lreserved;
3337
3338 ISP_MEMZERO(cto, sizeof (ct7_entry_t));
3339 isp_prt(isp, ISP_LOGTDEBUG0, "%s: [%x] terminating after ABTS received", __func__, abts->abts_rxid_task);
3340 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
3341 cto->ct_header.rqs_entry_count = 1;
3342 cto->ct_nphdl = mp->nt_nphdl;
3343 cto->ct_rxid = abts->abts_rxid_task;
3344 cto->ct_iid_lo = mp->nt_sid;
3345 cto->ct_iid_hi = mp->nt_sid >> 16;
3346 cto->ct_oxid = abts->abts_ox_id;
3347 cto->ct_vpidx = mp->nt_channel;
3348 cto->ct_flags = CT7_NOACK|CT7_TERMINATE;
3349 if (isp_target_put_entry(isp, cto)) {
3350 return (ENOMEM);
3351 }
3352 mp->nt_need_ack = 0;
3353 }
3354 if (isp_acknak_abts(isp, mp->nt_lreserved, 0) == ENOMEM) {
3355 return (ENOMEM);
3356 } else {
3357 return (0);
3358 }
3359 }
3360
3361 /*
3362 * Handle logout cases here
3363 */
3364 if (mp->nt_ncode == NT_GLOBAL_LOGOUT) {
3365 isp_del_all_wwn_entries(isp, mp->nt_channel);
3366 }
3367
3368 if (mp->nt_ncode == NT_LOGOUT) {
3369 if (!IS_2100(isp) && IS_FC(isp)) {
3370 isp_del_wwn_entries(isp, mp);
3371 }
3372 }
3373
3374 /*
3375 * General purpose acknowledgement
3376 */
3377 if (mp->nt_need_ack) {
3378 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) being acked", mp->nt_ncode, mp->nt_lreserved != NULL);
3379 /*
3380 * Don't need to use the guaranteed send because the caller can retry
3381 */
3382 return (isp_notify_ack(isp, mp->nt_lreserved));
3383 }
3384 return (0);
3385 }
3386
3387 /*
3388 * Handle task management functions.
3389 *
3390 * We show up here with a notify structure filled out.
3391 *
3392 * The nt_lreserved tag points to the original queue entry
3393 */
3394 static void
isp_handle_platform_target_tmf(ispsoftc_t * isp,isp_notify_t * notify)3395 isp_handle_platform_target_tmf(ispsoftc_t *isp, isp_notify_t *notify)
3396 {
3397 tstate_t *tptr;
3398 fcportdb_t *lp;
3399 struct ccb_immediate_notify *inot;
3400 inot_private_data_t *ntp = NULL;
3401 lun_id_t lun;
3402
3403 isp_prt(isp, ISP_LOGTDEBUG0, "%s: code 0x%x sid 0x%x tagval 0x%016llx chan %d lun 0x%x", __func__, notify->nt_ncode,
3404 notify->nt_sid, (unsigned long long) notify->nt_tagval, notify->nt_channel, notify->nt_lun);
3405 /*
3406 * NB: This assignment is necessary because of tricky type conversion.
3407 * XXX: This is tricky and I need to check this. If the lun isn't known
3408 * XXX: for the task management function, it does not of necessity follow
3409 * XXX: that it should go up stream to the wildcard listener.
3410 */
3411 if (notify->nt_lun == LUN_ANY) {
3412 lun = CAM_LUN_WILDCARD;
3413 } else {
3414 lun = notify->nt_lun;
3415 }
3416 tptr = get_lun_statep(isp, notify->nt_channel, lun);
3417 if (tptr == NULL) {
3418 tptr = get_lun_statep(isp, notify->nt_channel, CAM_LUN_WILDCARD);
3419 if (tptr == NULL) {
3420 isp_prt(isp, ISP_LOGWARN, "%s: no state pointer found for chan %d lun 0x%x", __func__, notify->nt_channel, lun);
3421 goto bad;
3422 }
3423 }
3424 inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots);
3425 if (inot == NULL) {
3426 isp_prt(isp, ISP_LOGWARN, "%s: out of immediate notify structures for chan %d lun 0x%x", __func__, notify->nt_channel, lun);
3427 goto bad;
3428 }
3429
3430 if (isp_find_pdb_by_sid(isp, notify->nt_channel, notify->nt_sid, &lp) == 0) {
3431 inot->initiator_id = CAM_TARGET_WILDCARD;
3432 } else {
3433 inot->initiator_id = lp->handle;
3434 }
3435 inot->seq_id = notify->nt_tagval;
3436 inot->tag_id = notify->nt_tagval >> 32;
3437
3438 switch (notify->nt_ncode) {
3439 case NT_ABORT_TASK:
3440 isp_target_mark_aborted_early(isp, tptr, inot->tag_id);
3441 inot->arg = MSG_ABORT_TASK;
3442 break;
3443 case NT_ABORT_TASK_SET:
3444 isp_target_mark_aborted_early(isp, tptr, TAG_ANY);
3445 inot->arg = MSG_ABORT_TASK_SET;
3446 break;
3447 case NT_CLEAR_ACA:
3448 inot->arg = MSG_CLEAR_ACA;
3449 break;
3450 case NT_CLEAR_TASK_SET:
3451 inot->arg = MSG_CLEAR_TASK_SET;
3452 break;
3453 case NT_LUN_RESET:
3454 inot->arg = MSG_LOGICAL_UNIT_RESET;
3455 break;
3456 case NT_TARGET_RESET:
3457 inot->arg = MSG_TARGET_RESET;
3458 break;
3459 default:
3460 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);
3461 goto bad;
3462 }
3463
3464 ntp = isp_get_ntpd(isp, tptr);
3465 if (ntp == NULL) {
3466 isp_prt(isp, ISP_LOGWARN, "%s: out of inotify private structures", __func__);
3467 goto bad;
3468 }
3469 ISP_MEMCPY(&ntp->rd.nt, notify, sizeof (isp_notify_t));
3470 if (notify->nt_lreserved) {
3471 ISP_MEMCPY(&ntp->rd.data, notify->nt_lreserved, QENTRY_LEN);
3472 ntp->rd.nt.nt_lreserved = &ntp->rd.data;
3473 }
3474 ntp->rd.seq_id = notify->nt_tagval;
3475 ntp->rd.tag_id = notify->nt_tagval >> 32;
3476
3477 tptr->inot_count--;
3478 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle);
3479 rls_lun_statep(isp, tptr);
3480 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, inot->ccb_h.path, "%s: Take FREE INOT count now %d\n", __func__, tptr->inot_count);
3481 inot->ccb_h.status = CAM_MESSAGE_RECV;
3482 xpt_done((union ccb *)inot);
3483 return;
3484 bad:
3485 if (tptr) {
3486 rls_lun_statep(isp, tptr);
3487 }
3488 if (notify->nt_need_ack && notify->nt_lreserved) {
3489 if (((isphdr_t *)notify->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) {
3490 if (isp_acknak_abts(isp, notify->nt_lreserved, ENOMEM)) {
3491 isp_prt(isp, ISP_LOGWARN, "you lose- unable to send an ACKNAK");
3492 }
3493 } else {
3494 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, notify->nt_lreserved);
3495 }
3496 }
3497 }
3498
3499 /*
3500 * Find the associated private data and mark it as dead so
3501 * we don't try to work on it any further.
3502 */
3503 static void
isp_target_mark_aborted(ispsoftc_t * isp,union ccb * ccb)3504 isp_target_mark_aborted(ispsoftc_t *isp, union ccb *ccb)
3505 {
3506 tstate_t *tptr;
3507 atio_private_data_t *atp;
3508 union ccb *accb = ccb->cab.abort_ccb;
3509
3510 tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb));
3511 if (tptr == NULL) {
3512 tptr = get_lun_statep(isp, XS_CHANNEL(accb), CAM_LUN_WILDCARD);
3513 if (tptr == NULL) {
3514 ccb->ccb_h.status = CAM_REQ_INVALID;
3515 return;
3516 }
3517 }
3518
3519 atp = isp_get_atpd(isp, tptr, accb->atio.tag_id);
3520 if (atp == NULL) {
3521 ccb->ccb_h.status = CAM_REQ_INVALID;
3522 } else {
3523 atp->dead = 1;
3524 ccb->ccb_h.status = CAM_REQ_CMP;
3525 }
3526 rls_lun_statep(isp, tptr);
3527 }
3528
3529 static void
isp_target_mark_aborted_early(ispsoftc_t * isp,tstate_t * tptr,uint32_t tag_id)3530 isp_target_mark_aborted_early(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag_id)
3531 {
3532 atio_private_data_t *atp;
3533 inot_private_data_t *restart_queue = tptr->restart_queue;
3534
3535 /*
3536 * First, clean any commands pending restart
3537 */
3538 tptr->restart_queue = NULL;
3539 while (restart_queue) {
3540 uint32_t this_tag_id;
3541 inot_private_data_t *ntp = restart_queue;
3542
3543 restart_queue = ntp->rd.nt.nt_hba;
3544
3545 if (IS_24XX(isp)) {
3546 this_tag_id = ((at7_entry_t *)ntp->rd.data)->at_rxid;
3547 } else {
3548 this_tag_id = ((at2_entry_t *)ntp->rd.data)->at_rxid;
3549 }
3550 if ((uint64_t)tag_id == TAG_ANY || tag_id == this_tag_id) {
3551 isp_put_ntpd(isp, tptr, ntp);
3552 } else {
3553 ntp->rd.nt.nt_hba = tptr->restart_queue;
3554 tptr->restart_queue = ntp;
3555 }
3556 }
3557
3558 /*
3559 * Now mark other ones dead as well.
3560 */
3561 for (atp = tptr->atpool; atp < &tptr->atpool[ATPDPSIZE]; atp++) {
3562 if ((uint64_t)tag_id == TAG_ANY || atp->tag == tag_id) {
3563 atp->dead = 1;
3564 }
3565 }
3566 }
3567
3568
3569 #ifdef ISP_INTERNAL_TARGET
3570 //#define ISP_SEPARATE_STATUS 1
3571 #define ISP_MULTI_CCBS 1
3572 #if defined(ISP_MULTI_CCBS) && !defined(ISP_SEPARATE_STATUS)
3573 #define ISP_SEPARATE_STATUS 1
3574 #endif
3575
3576 typedef struct periph_private_data_t {
3577 union ccb *ccb; /* original ATIO or Immediate Notify */
3578 unsigned long offset; /* current offset */
3579 int sequence; /* current CTIO sequence */
3580 int ctio_cnt; /* current # of ctio's outstanding */
3581 int
3582 status_sent : 1,
3583 on_queue : 1; /* on restart queue */
3584 } ppd_t;
3585 /*
3586 * Each ATIO we allocate will have periph private data associated with it
3587 * that maintains per-command state. This private to each ATIO.
3588 */
3589 #define ATIO_PPD(ccb) ((ppd_t *)(((struct ccb_hdr *)ccb)->ppriv_ptr0))
3590 /*
3591 * Each CTIO we send downstream will get a pointer to the ATIO itself
3592 * so that on completion we can retrieve that pointer.
3593 */
3594 #define ccb_atio ppriv_ptr1
3595 #define ccb_inot ppriv_ptr1
3596
3597 /*
3598 * Each CTIO we send downstream will contain a sequence number
3599 */
3600 #define CTIO_SEQ(ccb) ccb->ccb_h.ppriv_field0
3601
3602 #define MAX_ISP_TARG_TRANSFER (2 << 20)
3603 #define NISP_TARG_CMDS 64
3604 #define NISP_TARG_NOTIFIES 64
3605 #define DISK_SHIFT 9
3606 #define JUNK_SIZE 256
3607 #define MULTI_CCB_DATA_LIM 8192
3608 //#define MULTI_CCB_DATA_CNT 64
3609 #define MULTI_CCB_DATA_CNT 8
3610
3611 extern u_int vm_kmem_size;
3612 static int ca;
3613 static uint32_t disk_size;
3614 static uint8_t *disk_data = NULL;
3615 static uint8_t *junk_data;
3616 static MALLOC_DEFINE(M_ISPTARG, "ISPTARG", "ISP TARGET data");
3617 struct isptarg_softc {
3618 /* CCBs (CTIOs, ATIOs, INOTs) pending on the controller */
3619 struct isp_ccbq work_queue;
3620 struct isp_ccbq rework_queue;
3621 struct isp_ccbq running_queue;
3622 struct isp_ccbq inot_queue;
3623 struct cam_periph *periph;
3624 struct cam_path *path;
3625 ispsoftc_t *isp;
3626 };
3627 static periph_ctor_t isptargctor;
3628 static periph_dtor_t isptargdtor;
3629 static periph_start_t isptargstart;
3630 static periph_init_t isptarginit;
3631 static void isptarg_done(struct cam_periph *, union ccb *);
3632 static void isptargasync(void *, u_int32_t, struct cam_path *, void *);
3633
3634
3635 static int isptarg_rwparm(uint8_t *, uint8_t *, uint64_t, uint32_t, uint8_t **, uint32_t *, int *);
3636
3637 static struct periph_driver isptargdriver =
3638 {
3639 isptarginit, "isptarg", TAILQ_HEAD_INITIALIZER(isptargdriver.units), 0
3640 };
3641
3642 static void
isptarginit(void)3643 isptarginit(void)
3644 {
3645 }
3646
3647 static void
isptargnotify(ispsoftc_t * isp,union ccb * iccb,struct ccb_immediate_notify * inot)3648 isptargnotify(ispsoftc_t *isp, union ccb *iccb, struct ccb_immediate_notify *inot)
3649 {
3650 struct ccb_notify_acknowledge *ack = &iccb->cna2;
3651
3652 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__,
3653 inot->tag_id, inot->initiator_id, inot->seq_id, inot->ccb_h.status, inot->arg);
3654 ack->ccb_h.func_code = XPT_NOTIFY_ACKNOWLEDGE;
3655 ack->ccb_h.flags = 0;
3656 ack->ccb_h.retry_count = 0;
3657 ack->ccb_h.cbfcnp = isptarg_done;
3658 ack->ccb_h.timeout = 0;
3659 ack->ccb_h.ccb_inot = inot;
3660 ack->tag_id = inot->tag_id;
3661 ack->seq_id = inot->seq_id;
3662 ack->initiator_id = inot->initiator_id;
3663 xpt_action(iccb);
3664 }
3665
3666 static void
isptargstart(struct cam_periph * periph,union ccb * iccb)3667 isptargstart(struct cam_periph *periph, union ccb *iccb)
3668 {
3669 const uint8_t niliqd[SHORT_INQUIRY_LENGTH] = {
3670 0x7f, 0x0, 0x5, 0x2, 32, 0, 0, 0x32,
3671 'F', 'R', 'E', 'E', 'B', 'S', 'D', ' ',
3672 'S', 'C', 'S', 'I', ' ', 'N', 'U', 'L',
3673 'L', ' ', 'D', 'E', 'V', 'I', 'C', 'E',
3674 '0', '0', '0', '1'
3675 };
3676 const uint8_t iqd[SHORT_INQUIRY_LENGTH] = {
3677 0, 0x0, 0x5, 0x2, 32, 0, 0, 0x32,
3678 'F', 'R', 'E', 'E', 'B', 'S', 'D', ' ',
3679 'S', 'C', 'S', 'I', ' ', 'M', 'E', 'M',
3680 'O', 'R', 'Y', ' ', 'D', 'I', 'S', 'K',
3681 '0', '0', '0', '1'
3682 };
3683 int r, i, more = 0, last, is_data_cmd = 0, is_write;
3684 char *queue;
3685 struct isptarg_softc *softc = periph->softc;
3686 struct ccb_scsiio *csio;
3687 lun_id_t return_lun;
3688 struct ccb_accept_tio *atio;
3689 uint8_t *cdb, *ptr, status;
3690 uint8_t *data_ptr;
3691 uint32_t data_len, flags;
3692 struct ccb_hdr *ccbh;
3693
3694 mtx_assert(periph->sim->mtx, MA_OWNED);
3695 ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG1, iccb->ccb_h.path, "%s: function code 0x%x INOTQ=%c WORKQ=%c REWORKQ=%c\n", __func__, iccb->ccb_h.func_code,
3696 TAILQ_FIRST(&softc->inot_queue)? 'y' : 'n', TAILQ_FIRST(&softc->work_queue)? 'y' : 'n', TAILQ_FIRST(&softc->rework_queue)? 'y' : 'n');
3697 /*
3698 * Check for immediate notifies first
3699 */
3700 ccbh = TAILQ_FIRST(&softc->inot_queue);
3701 if (ccbh) {
3702 TAILQ_REMOVE(&softc->inot_queue, ccbh, periph_links.tqe);
3703 if (TAILQ_FIRST(&softc->inot_queue) || TAILQ_FIRST(&softc->work_queue) || TAILQ_FIRST(&softc->rework_queue)) {
3704 xpt_schedule(periph, 1);
3705 }
3706 isptargnotify(softc->isp, iccb, (struct ccb_immediate_notify *)ccbh);
3707 return;
3708 }
3709
3710 /*
3711 * Check the rework (continuation) work queue first.
3712 */
3713 ccbh = TAILQ_FIRST(&softc->rework_queue);
3714 if (ccbh) {
3715 atio = (struct ccb_accept_tio *)ccbh;
3716 TAILQ_REMOVE(&softc->rework_queue, ccbh, periph_links.tqe);
3717 more = TAILQ_FIRST(&softc->work_queue) || TAILQ_FIRST(&softc->rework_queue);
3718 queue = "rework";
3719 } else {
3720 ccbh = TAILQ_FIRST(&softc->work_queue);
3721 if (ccbh == NULL) {
3722 xpt_release_ccb(iccb);
3723 return;
3724 }
3725 atio = (struct ccb_accept_tio *)ccbh;
3726 TAILQ_REMOVE(&softc->work_queue, ccbh, periph_links.tqe);
3727 more = TAILQ_FIRST(&softc->work_queue) != NULL;
3728 queue = "work";
3729 }
3730 ATIO_PPD(atio)->on_queue = 0;
3731
3732 if (atio->tag_id == 0xffffffff || atio->ccb_h.func_code != XPT_ACCEPT_TARGET_IO) {
3733 panic("BAD ATIO");
3734 }
3735
3736 data_len = is_write = 0;
3737 data_ptr = NULL;
3738 csio = &iccb->csio;
3739 status = SCSI_STATUS_OK;
3740 flags = CAM_SEND_STATUS;
3741 memset(&atio->sense_data, 0, sizeof (atio->sense_data));
3742 cdb = atio->cdb_io.cdb_bytes;
3743 ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG0, ccbh->path, "%s: [0x%x] processing ATIO from %s queue initiator 0x%x CDB=0x%x data_offset=%u\n", __func__, atio->tag_id,
3744 queue, atio->init_id, cdb[0], ATIO_PPD(atio)->offset);
3745
3746 return_lun = XS_LUN(atio);
3747 if (return_lun != 0) {
3748 xpt_print(atio->ccb_h.path, "[0x%x] Non-Zero Lun %d: cdb0=0x%x\n", atio->tag_id, return_lun, cdb[0]);
3749 if (cdb[0] != INQUIRY && cdb[0] != REPORT_LUNS && cdb[0] != REQUEST_SENSE) {
3750 status = SCSI_STATUS_CHECK_COND;
3751 SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR;
3752 SDFIXED(atio->sense_data)->flags = SSD_KEY_ILLEGAL_REQUEST;
3753 SDFIXED(atio->sense_data)->add_sense_code = 0x25; /* LOGICAL UNIT NOT SUPPORTED */
3754 atio->sense_len = SSD_MIN_SIZE;
3755 }
3756 return_lun = CAM_LUN_WILDCARD;
3757 }
3758
3759 switch (cdb[0]) {
3760 case REQUEST_SENSE:
3761 flags |= CAM_DIR_IN;
3762 data_len = sizeof (atio->sense_data);
3763 junk_data[0] = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR|SSD_KEY_NO_SENSE;
3764 memset(junk_data+1, 0, data_len-1);
3765 if (data_len > cdb[4]) {
3766 data_len = cdb[4];
3767 }
3768 if (data_len) {
3769 data_ptr = junk_data;
3770 }
3771 break;
3772 case WRITE_6:
3773 case WRITE_10:
3774 case WRITE_12:
3775 case WRITE_16:
3776 is_write = 1;
3777 /* FALLTHROUGH */
3778 case READ_6:
3779 case READ_10:
3780 case READ_12:
3781 case READ_16:
3782 is_data_cmd = 1;
3783 r = isptarg_rwparm(cdb, disk_data, disk_size, ATIO_PPD(atio)->offset, &data_ptr, &data_len, &last);
3784 if (r != 0) {
3785 status = SCSI_STATUS_CHECK_COND;
3786 SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR;
3787 SDFIXED(atio->sense_data)->flags = SSD_KEY_ILLEGAL_REQUEST;
3788 if (r == -1) {
3789 SDFIXED(atio->sense_data)->add_sense_code = 0x21; /* LOGICAL BLOCK ADDRESS OUT OF RANGE */
3790 } else {
3791 SDFIXED(atio->sense_data)->add_sense_code = 0x20; /* INVALID COMMAND OPERATION CODE */
3792 }
3793 atio->sense_len = SSD_MIN_SIZE;
3794 } else {
3795 #ifdef ISP_SEPARATE_STATUS
3796 if (last && data_len) {
3797 last = 0;
3798 }
3799 #endif
3800 if (last == 0) {
3801 flags &= ~CAM_SEND_STATUS;
3802 }
3803 if (data_len) {
3804 ATIO_PPD(atio)->offset += data_len;
3805 if (is_write)
3806 flags |= CAM_DIR_OUT;
3807 else
3808 flags |= CAM_DIR_IN;
3809 } else {
3810 flags |= CAM_DIR_NONE;
3811 }
3812 }
3813 break;
3814 case INQUIRY:
3815 flags |= CAM_DIR_IN;
3816 if (cdb[1] || cdb[2] || cdb[3]) {
3817 status = SCSI_STATUS_CHECK_COND;
3818 SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR;
3819 SDFIXED(atio->sense_data)->flags = SSD_KEY_UNIT_ATTENTION;
3820 SDFIXED(atio->sense_data)->add_sense_code = 0x24; /* INVALID FIELD IN CDB */
3821 atio->sense_len = SSD_MIN_SIZE;
3822 break;
3823 }
3824 data_len = sizeof (iqd);
3825 if (data_len > cdb[4]) {
3826 data_len = cdb[4];
3827 }
3828 if (data_len) {
3829 if (XS_LUN(iccb) != 0) {
3830 memcpy(junk_data, niliqd, sizeof (iqd));
3831 } else {
3832 memcpy(junk_data, iqd, sizeof (iqd));
3833 }
3834 data_ptr = junk_data;
3835 }
3836 break;
3837 case TEST_UNIT_READY:
3838 flags |= CAM_DIR_NONE;
3839 if (ca) {
3840 ca = 0;
3841 status = SCSI_STATUS_CHECK_COND;
3842 SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR;
3843 SDFIXED(atio->sense_data)->flags = SSD_KEY_UNIT_ATTENTION;
3844 SDFIXED(atio->sense_data)->add_sense_code = 0x29; /* POWER ON, RESET, OR BUS DEVICE RESET OCCURRED */
3845 atio->sense_len = SSD_MIN_SIZE;
3846 }
3847 break;
3848 case SYNCHRONIZE_CACHE:
3849 case START_STOP:
3850 case RESERVE:
3851 case RELEASE:
3852 case VERIFY_10:
3853 flags |= CAM_DIR_NONE;
3854 break;
3855
3856 case READ_CAPACITY:
3857 flags |= CAM_DIR_IN;
3858 if (cdb[2] || cdb[3] || cdb[4] || cdb[5]) {
3859 status = SCSI_STATUS_CHECK_COND;
3860 SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR;
3861 SDFIXED(atio->sense_data)->flags = SSD_KEY_ILLEGAL_REQUEST;
3862 SDFIXED(atio->sense_data)->add_sense_code = 0x24; /* INVALID FIELD IN CDB */
3863 atio->sense_len = SSD_MIN_SIZE;
3864 break;
3865 }
3866 if (cdb[8] & 0x1) { /* PMI */
3867 junk_data[0] = 0xff;
3868 junk_data[1] = 0xff;
3869 junk_data[2] = 0xff;
3870 junk_data[3] = 0xff;
3871 } else {
3872 uint64_t last_blk = (disk_size >> DISK_SHIFT) - 1;
3873 if (last_blk < 0xffffffffULL) {
3874 junk_data[0] = (last_blk >> 24) & 0xff;
3875 junk_data[1] = (last_blk >> 16) & 0xff;
3876 junk_data[2] = (last_blk >> 8) & 0xff;
3877 junk_data[3] = (last_blk) & 0xff;
3878 } else {
3879 junk_data[0] = 0xff;
3880 junk_data[1] = 0xff;
3881 junk_data[2] = 0xff;
3882 junk_data[3] = 0xff;
3883 }
3884 }
3885 junk_data[4] = ((1 << DISK_SHIFT) >> 24) & 0xff;
3886 junk_data[5] = ((1 << DISK_SHIFT) >> 16) & 0xff;
3887 junk_data[6] = ((1 << DISK_SHIFT) >> 8) & 0xff;
3888 junk_data[7] = ((1 << DISK_SHIFT)) & 0xff;
3889 data_ptr = junk_data;
3890 data_len = 8;
3891 break;
3892 case REPORT_LUNS:
3893 flags |= CAM_DIR_IN;
3894 memset(junk_data, 0, JUNK_SIZE);
3895 junk_data[0] = (1 << 3) >> 24;
3896 junk_data[1] = (1 << 3) >> 16;
3897 junk_data[2] = (1 << 3) >> 8;
3898 junk_data[3] = (1 << 3);
3899 ptr = NULL;
3900 for (i = 0; i < 1; i++) {
3901 ptr = &junk_data[8 + (i << 3)];
3902 if (i >= 256) {
3903 ptr[0] = 0x40 | ((i >> 8) & 0x3f);
3904 }
3905 ptr[1] = i;
3906 }
3907 data_ptr = junk_data;
3908 data_len = (ptr + 8) - junk_data;
3909 break;
3910
3911 default:
3912 flags |= CAM_DIR_NONE;
3913 status = SCSI_STATUS_CHECK_COND;
3914 SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR;
3915 SDFIXED(atio->sense_data)->flags = SSD_KEY_ILLEGAL_REQUEST;
3916 SDFIXED(atio->sense_data)->add_sense_code = 0x20; /* INVALID COMMAND OPERATION CODE */
3917 atio->sense_len = SSD_MIN_SIZE;
3918 break;
3919 }
3920
3921 /*
3922 * If we are done with the transaction, tell the
3923 * controller to send status and perform a CMD_CMPLT.
3924 * If we have associated sense data, see if we can
3925 * send that too.
3926 */
3927 if (status == SCSI_STATUS_CHECK_COND) {
3928 flags |= CAM_SEND_SENSE;
3929 csio->sense_len = atio->sense_len;
3930 csio->sense_data = atio->sense_data;
3931 flags &= ~CAM_DIR_MASK;
3932 data_len = 0;
3933 data_ptr = NULL;
3934 }
3935 cam_fill_ctio(csio, 0, isptarg_done, flags, MSG_SIMPLE_Q_TAG, atio->tag_id, atio->init_id, status, data_ptr, data_len, 30 * hz);
3936 iccb->ccb_h.target_id = atio->ccb_h.target_id;
3937 iccb->ccb_h.target_lun = return_lun;
3938 iccb->ccb_h.ccb_atio = atio;
3939 CTIO_SEQ(iccb) = ATIO_PPD(atio)->sequence++;
3940 ATIO_PPD(atio)->ctio_cnt++;
3941 if (flags & CAM_SEND_STATUS) {
3942 KASSERT((ATIO_PPD(atio)->status_sent == 0), ("we have already sent status for 0x%x in %s", atio->tag_id, __func__));
3943 ATIO_PPD(atio)->status_sent = 1;
3944 }
3945 ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG0, atio->ccb_h.path, "%s: sending downstream for 0x%x sequence %u len %u flags %x\n", __func__, atio->tag_id, CTIO_SEQ(iccb), data_len, flags);
3946 xpt_action(iccb);
3947
3948 if ((atio->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3949 cam_release_devq(periph->path, 0, 0, 0, 0);
3950 atio->ccb_h.status &= ~CAM_DEV_QFRZN;
3951 }
3952 #ifdef ISP_MULTI_CCBS
3953 if (is_data_cmd && ATIO_PPD(atio)->status_sent == 0 && ATIO_PPD(atio)->ctio_cnt < MULTI_CCB_DATA_CNT && ATIO_PPD(atio)->on_queue == 0) {
3954 ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG0, atio->ccb_h.path, "%s: more still to do for 0x%x\n", __func__, atio->tag_id);
3955 TAILQ_INSERT_TAIL(&softc->rework_queue, &atio->ccb_h, periph_links.tqe);
3956 ATIO_PPD(atio)->on_queue = 1;
3957 more = 1;
3958 }
3959 #endif
3960 if (more) {
3961 xpt_schedule(periph, 1);
3962 }
3963 }
3964
3965 static cam_status
isptargctor(struct cam_periph * periph,void * arg)3966 isptargctor(struct cam_periph *periph, void *arg)
3967 {
3968 struct isptarg_softc *softc;
3969
3970 softc = (struct isptarg_softc *)arg;
3971 periph->softc = softc;
3972 softc->periph = periph;
3973 softc->path = periph->path;
3974 ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG1, periph->path, "%s called\n", __func__);
3975 return (CAM_REQ_CMP);
3976 }
3977
3978 static void
isptargdtor(struct cam_periph * periph)3979 isptargdtor(struct cam_periph *periph)
3980 {
3981 struct isptarg_softc *softc;
3982 softc = (struct isptarg_softc *)periph->softc;
3983 ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG1, periph->path, "%s called\n", __func__);
3984 softc->periph = NULL;
3985 softc->path = NULL;
3986 periph->softc = NULL;
3987 }
3988
3989 static void
isptarg_done(struct cam_periph * periph,union ccb * ccb)3990 isptarg_done(struct cam_periph *periph, union ccb *ccb)
3991 {
3992 struct isptarg_softc *softc;
3993 ispsoftc_t *isp;
3994 uint32_t newoff;
3995 struct ccb_accept_tio *atio;
3996 struct ccb_immediate_notify *inot;
3997 cam_status status;
3998
3999 softc = (struct isptarg_softc *)periph->softc;
4000 isp = softc->isp;
4001 status = ccb->ccb_h.status & CAM_STATUS_MASK;
4002
4003 switch (ccb->ccb_h.func_code) {
4004 case XPT_ACCEPT_TARGET_IO:
4005 atio = (struct ccb_accept_tio *) ccb;
4006 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "[0x%x] ATIO seen in %s\n", atio->tag_id, __func__);
4007 memset(ATIO_PPD(atio), 0, sizeof (ppd_t));
4008 TAILQ_INSERT_TAIL(&softc->work_queue, &ccb->ccb_h, periph_links.tqe);
4009 ATIO_PPD(atio)->on_queue = 1;
4010 xpt_schedule(periph, 1);
4011 break;
4012 case XPT_IMMEDIATE_NOTIFY:
4013 inot = (struct ccb_immediate_notify *) ccb;
4014 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__);
4015 TAILQ_INSERT_TAIL(&softc->inot_queue, &ccb->ccb_h, periph_links.tqe);
4016 xpt_schedule(periph, 1);
4017 break;
4018 case XPT_CONT_TARGET_IO:
4019 atio = ccb->ccb_h.ccb_atio;
4020 KASSERT((ATIO_PPD(atio)->ctio_cnt != 0), ("ctio zero when finishing a CTIO"));
4021 ATIO_PPD(atio)->ctio_cnt--;
4022 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
4023 switch (ccb->ccb_h.status & CAM_STATUS_MASK) {
4024 case CAM_MESSAGE_RECV:
4025 newoff = (ccb->csio.msg_ptr[3] << 24) | (ccb->csio.msg_ptr[4] << 16) | (ccb->csio.msg_ptr[5] << 8) | (ccb->csio.msg_ptr[6]);
4026 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "[0x%x] got message to return to reset offset to 0x%x at sequence %u\n", atio->tag_id, newoff, CTIO_SEQ(ccb));
4027 ATIO_PPD(atio)->offset = newoff;
4028 ATIO_PPD(atio)->status_sent = 0;
4029 if (ATIO_PPD(atio)->on_queue == 0) {
4030 TAILQ_INSERT_TAIL(&softc->rework_queue, &atio->ccb_h, periph_links.tqe);
4031 ATIO_PPD(atio)->on_queue = 1;
4032 }
4033 xpt_schedule(periph, 1);
4034 break;
4035 default:
4036 cam_error_print(ccb, CAM_ESF_ALL, CAM_EPF_ALL);
4037 xpt_action((union ccb *)atio);
4038 break;
4039 }
4040 } else if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) {
4041 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "[0x%x] MID CTIO sequence %u seen in %s\n", atio->tag_id, CTIO_SEQ(ccb), __func__);
4042 if (ATIO_PPD(atio)->status_sent == 0 && ATIO_PPD(atio)->on_queue == 0) {
4043 TAILQ_INSERT_TAIL(&softc->rework_queue, &atio->ccb_h, periph_links.tqe);
4044 ATIO_PPD(atio)->on_queue = 1;
4045 }
4046 xpt_schedule(periph, 1);
4047 } else {
4048 KASSERT((ATIO_PPD(atio)->ctio_cnt == 0), ("ctio count still %d when we think we've sent the STATUS ctio", ATIO_PPD(atio)->ctio_cnt));
4049 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "[0x%x] FINAL CTIO sequence %u seen in %s\n", atio->tag_id, CTIO_SEQ(ccb), __func__);
4050 xpt_action((union ccb *)atio);
4051 }
4052 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
4053 cam_release_devq(ccb->ccb_h.path, 0, 0, 0, 0);
4054 ccb->ccb_h.status &= ~CAM_DEV_QFRZN;
4055 }
4056 xpt_release_ccb(ccb);
4057 break;
4058 case XPT_NOTIFY_ACKNOWLEDGE:
4059 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
4060 cam_release_devq(ccb->ccb_h.path, 0, 0, 0, 0);
4061 ccb->ccb_h.status &= ~CAM_DEV_QFRZN;
4062 }
4063 inot = ccb->ccb_h.ccb_inot;
4064 ISP_PATH_PRT(isp, ISP_LOGTDEBUG1, inot->ccb_h.path, "[0x%x] recycle notify for tag 0x%x\n", inot->tag_id, inot->seq_id);
4065 xpt_release_ccb(ccb);
4066 xpt_action((union ccb *)inot);
4067 break;
4068 default:
4069 xpt_print(ccb->ccb_h.path, "unexpected code 0x%x\n", ccb->ccb_h.func_code);
4070 break;
4071 }
4072 }
4073
4074 static void
isptargasync(void * callback_arg,u_int32_t code,struct cam_path * path,void * arg)4075 isptargasync(void *callback_arg, u_int32_t code, struct cam_path *path, void *arg)
4076 {
4077 struct ac_contract *acp = arg;
4078 struct ac_device_changed *fc = (struct ac_device_changed *) acp->contract_data;
4079
4080 if (code != AC_CONTRACT) {
4081 return;
4082 }
4083 xpt_print(path, "0x%016llx Port ID 0x%06x %s\n", (unsigned long long) fc->wwpn, fc->port, fc->arrived? "arrived" : "departed");
4084 }
4085
4086 static void
isp_target_thread(ispsoftc_t * isp,int chan)4087 isp_target_thread(ispsoftc_t *isp, int chan)
4088 {
4089 union ccb *ccb = NULL;
4090 int i;
4091 void *wchan;
4092 cam_status status;
4093 struct isptarg_softc *softc = NULL;
4094 struct cam_periph *periph = NULL, *wperiph = NULL;
4095 struct cam_path *path, *wpath;
4096 struct cam_sim *sim;
4097
4098 if (disk_data == NULL) {
4099 disk_size = roundup2(vm_kmem_size >> 1, (1ULL << 20));
4100 if (disk_size < (50 << 20)) {
4101 disk_size = 50 << 20;
4102 }
4103 disk_data = malloc(disk_size, M_ISPTARG, M_WAITOK | M_ZERO);
4104 if (disk_data == NULL) {
4105 isp_prt(isp, ISP_LOGERR, "%s: could not allocate disk data", __func__);
4106 goto out;
4107 }
4108 isp_prt(isp, ISP_LOGINFO, "allocated a %ju MiB disk", (uintmax_t) (disk_size >> 20));
4109 }
4110 junk_data = malloc(JUNK_SIZE, M_ISPTARG, M_WAITOK | M_ZERO);
4111 if (junk_data == NULL) {
4112 isp_prt(isp, ISP_LOGERR, "%s: could not allocate junk", __func__);
4113 goto out;
4114 }
4115
4116
4117 softc = malloc(sizeof (*softc), M_ISPTARG, M_WAITOK | M_ZERO);
4118 if (softc == NULL) {
4119 isp_prt(isp, ISP_LOGERR, "%s: could not allocate softc", __func__);
4120 goto out;
4121 }
4122 TAILQ_INIT(&softc->work_queue);
4123 TAILQ_INIT(&softc->rework_queue);
4124 TAILQ_INIT(&softc->running_queue);
4125 TAILQ_INIT(&softc->inot_queue);
4126 softc->isp = isp;
4127
4128 periphdriver_register(&isptargdriver);
4129 ISP_GET_PC(isp, chan, sim, sim);
4130 ISP_GET_PC(isp, chan, path, path);
4131 status = xpt_create_path_unlocked(&wpath, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD);
4132 if (status != CAM_REQ_CMP) {
4133 isp_prt(isp, ISP_LOGERR, "%s: could not allocate wildcard path", __func__);
4134 return;
4135 }
4136 status = xpt_create_path_unlocked(&path, NULL, cam_sim_path(sim), 0, 0);
4137 if (status != CAM_REQ_CMP) {
4138 xpt_free_path(wpath);
4139 isp_prt(isp, ISP_LOGERR, "%s: could not allocate path", __func__);
4140 return;
4141 }
4142
4143 ccb = xpt_alloc_ccb();
4144
4145 ISP_LOCK(isp);
4146 status = cam_periph_alloc(isptargctor, NULL, isptargdtor, isptargstart, "isptarg", CAM_PERIPH_BIO, wpath, NULL, 0, softc);
4147 if (status != CAM_REQ_CMP) {
4148 ISP_UNLOCK(isp);
4149 isp_prt(isp, ISP_LOGERR, "%s: cam_periph_alloc for wildcard failed", __func__);
4150 goto out;
4151 }
4152 wperiph = cam_periph_find(wpath, "isptarg");
4153 if (wperiph == NULL) {
4154 ISP_UNLOCK(isp);
4155 isp_prt(isp, ISP_LOGERR, "%s: wildcard periph already allocated but doesn't exist", __func__);
4156 goto out;
4157 }
4158
4159 status = cam_periph_alloc(isptargctor, NULL, isptargdtor, isptargstart, "isptarg", CAM_PERIPH_BIO, path, NULL, 0, softc);
4160 if (status != CAM_REQ_CMP) {
4161 ISP_UNLOCK(isp);
4162 isp_prt(isp, ISP_LOGERR, "%s: cam_periph_alloc failed", __func__);
4163 goto out;
4164 }
4165
4166 periph = cam_periph_find(path, "isptarg");
4167 if (periph == NULL) {
4168 ISP_UNLOCK(isp);
4169 isp_prt(isp, ISP_LOGERR, "%s: periph already allocated but doesn't exist", __func__);
4170 goto out;
4171 }
4172
4173 status = xpt_register_async(AC_CONTRACT, isptargasync, isp, wpath);
4174 if (status != CAM_REQ_CMP) {
4175 ISP_UNLOCK(isp);
4176 isp_prt(isp, ISP_LOGERR, "%s: xpt_register_async failed", __func__);
4177 goto out;
4178 }
4179
4180 ISP_UNLOCK(isp);
4181
4182 ccb = xpt_alloc_ccb();
4183
4184 /*
4185 * Make sure role is none.
4186 */
4187 xpt_setup_ccb(&ccb->ccb_h, periph->path, 10);
4188 ccb->ccb_h.func_code = XPT_SET_SIM_KNOB;
4189 ccb->knob.xport_specific.fc.role = KNOB_ROLE_NONE;
4190 ccb->knob.xport_specific.fc.valid = KNOB_VALID_ROLE;
4191
4192 ISP_LOCK(isp);
4193 xpt_action(ccb);
4194 ISP_UNLOCK(isp);
4195
4196 /*
4197 * Now enable luns
4198 */
4199 xpt_setup_ccb(&ccb->ccb_h, periph->path, 10);
4200 ccb->ccb_h.func_code = XPT_EN_LUN;
4201 ccb->cel.enable = 1;
4202 ISP_LOCK(isp);
4203 xpt_action(ccb);
4204 ISP_UNLOCK(isp);
4205 if (ccb->ccb_h.status != CAM_REQ_CMP) {
4206 xpt_free_ccb(ccb);
4207 xpt_print(periph->path, "failed to enable lun (0x%x)\n", ccb->ccb_h.status);
4208 goto out;
4209 }
4210
4211 xpt_setup_ccb(&ccb->ccb_h, wperiph->path, 10);
4212 ccb->ccb_h.func_code = XPT_EN_LUN;
4213 ccb->cel.enable = 1;
4214 ISP_LOCK(isp);
4215 xpt_action(ccb);
4216 ISP_UNLOCK(isp);
4217 if (ccb->ccb_h.status != CAM_REQ_CMP) {
4218 xpt_free_ccb(ccb);
4219 xpt_print(wperiph->path, "failed to enable lun (0x%x)\n", ccb->ccb_h.status);
4220 goto out;
4221 }
4222 xpt_free_ccb(ccb);
4223
4224 /*
4225 * Add resources
4226 */
4227 ISP_GET_PC_ADDR(isp, chan, target_proc, wchan);
4228 for (i = 0; i < 4; i++) {
4229 ccb = malloc(sizeof (*ccb), M_ISPTARG, M_WAITOK | M_ZERO);
4230 xpt_setup_ccb(&ccb->ccb_h, wperiph->path, 1);
4231 ccb->ccb_h.func_code = XPT_ACCEPT_TARGET_IO;
4232 ccb->ccb_h.cbfcnp = isptarg_done;
4233 ccb->ccb_h.ppriv_ptr0 = malloc(sizeof (ppd_t), M_ISPTARG, M_WAITOK | M_ZERO);
4234 ISP_LOCK(isp);
4235 xpt_action(ccb);
4236 ISP_UNLOCK(isp);
4237 }
4238 for (i = 0; i < NISP_TARG_CMDS; i++) {
4239 ccb = malloc(sizeof (*ccb), M_ISPTARG, M_WAITOK | M_ZERO);
4240 xpt_setup_ccb(&ccb->ccb_h, periph->path, 1);
4241 ccb->ccb_h.func_code = XPT_ACCEPT_TARGET_IO;
4242 ccb->ccb_h.cbfcnp = isptarg_done;
4243 ccb->ccb_h.ppriv_ptr0 = malloc(sizeof (ppd_t), M_ISPTARG, M_WAITOK | M_ZERO);
4244 ISP_LOCK(isp);
4245 xpt_action(ccb);
4246 ISP_UNLOCK(isp);
4247 }
4248 for (i = 0; i < 4; i++) {
4249 ccb = malloc(sizeof (*ccb), M_ISPTARG, M_WAITOK | M_ZERO);
4250 xpt_setup_ccb(&ccb->ccb_h, wperiph->path, 1);
4251 ccb->ccb_h.func_code = XPT_IMMEDIATE_NOTIFY;
4252 ccb->ccb_h.cbfcnp = isptarg_done;
4253 ISP_LOCK(isp);
4254 xpt_action(ccb);
4255 ISP_UNLOCK(isp);
4256 }
4257 for (i = 0; i < NISP_TARG_NOTIFIES; i++) {
4258 ccb = malloc(sizeof (*ccb), M_ISPTARG, M_WAITOK | M_ZERO);
4259 xpt_setup_ccb(&ccb->ccb_h, periph->path, 1);
4260 ccb->ccb_h.func_code = XPT_IMMEDIATE_NOTIFY;
4261 ccb->ccb_h.cbfcnp = isptarg_done;
4262 ISP_LOCK(isp);
4263 xpt_action(ccb);
4264 ISP_UNLOCK(isp);
4265 }
4266
4267 /*
4268 * Now turn it all back on
4269 */
4270 xpt_setup_ccb(&ccb->ccb_h, periph->path, 10);
4271 ccb->ccb_h.func_code = XPT_SET_SIM_KNOB;
4272 ccb->knob.xport_specific.fc.valid = KNOB_VALID_ROLE;
4273 ccb->knob.xport_specific.fc.role = KNOB_ROLE_TARGET;
4274 ISP_LOCK(isp);
4275 xpt_action(ccb);
4276 ISP_UNLOCK(isp);
4277
4278 /*
4279 * Okay, while things are still active, sleep...
4280 */
4281 ISP_LOCK(isp);
4282 for (;;) {
4283 ISP_GET_PC(isp, chan, proc_active, i);
4284 if (i == 0) {
4285 break;
4286 }
4287 msleep(wchan, &isp->isp_lock, PUSER, "tsnooze", 0);
4288 }
4289 ISP_UNLOCK(isp);
4290
4291 out:
4292 if (wperiph) {
4293 cam_periph_invalidate(wperiph);
4294 }
4295 if (periph) {
4296 cam_periph_invalidate(periph);
4297 }
4298 if (junk_data) {
4299 free(junk_data, M_ISPTARG);
4300 }
4301 if (disk_data) {
4302 free(disk_data, M_ISPTARG);
4303 }
4304 if (softc) {
4305 free(softc, M_ISPTARG);
4306 }
4307 xpt_free_path(path);
4308 xpt_free_path(wpath);
4309 }
4310
4311 static void
isp_target_thread_pi(void * arg)4312 isp_target_thread_pi(void *arg)
4313 {
4314 struct isp_spi *pi = arg;
4315 isp_target_thread(cam_sim_softc(pi->sim), cam_sim_bus(pi->sim));
4316 }
4317
4318 static void
isp_target_thread_fc(void * arg)4319 isp_target_thread_fc(void *arg)
4320 {
4321 struct isp_fc *fc = arg;
4322 isp_target_thread(cam_sim_softc(fc->sim), cam_sim_bus(fc->sim));
4323 }
4324
4325 static int
isptarg_rwparm(uint8_t * cdb,uint8_t * dp,uint64_t dl,uint32_t offset,uint8_t ** kp,uint32_t * tl,int * lp)4326 isptarg_rwparm(uint8_t *cdb, uint8_t *dp, uint64_t dl, uint32_t offset, uint8_t **kp, uint32_t *tl, int *lp)
4327 {
4328 uint32_t cnt, curcnt;
4329 uint64_t lba;
4330
4331 switch (cdb[0]) {
4332 case WRITE_16:
4333 case READ_16:
4334 cnt = (((uint32_t)cdb[10]) << 24) |
4335 (((uint32_t)cdb[11]) << 16) |
4336 (((uint32_t)cdb[12]) << 8) |
4337 ((uint32_t)cdb[13]);
4338
4339 lba = (((uint64_t)cdb[2]) << 56) |
4340 (((uint64_t)cdb[3]) << 48) |
4341 (((uint64_t)cdb[4]) << 40) |
4342 (((uint64_t)cdb[5]) << 32) |
4343 (((uint64_t)cdb[6]) << 24) |
4344 (((uint64_t)cdb[7]) << 16) |
4345 (((uint64_t)cdb[8]) << 8) |
4346 ((uint64_t)cdb[9]);
4347 break;
4348 case WRITE_12:
4349 case READ_12:
4350 cnt = (((uint32_t)cdb[6]) << 16) |
4351 (((uint32_t)cdb[7]) << 8) |
4352 ((u_int32_t)cdb[8]);
4353
4354 lba = (((uint32_t)cdb[2]) << 24) |
4355 (((uint32_t)cdb[3]) << 16) |
4356 (((uint32_t)cdb[4]) << 8) |
4357 ((uint32_t)cdb[5]);
4358 break;
4359 case WRITE_10:
4360 case READ_10:
4361 cnt = (((uint32_t)cdb[7]) << 8) |
4362 ((u_int32_t)cdb[8]);
4363
4364 lba = (((uint32_t)cdb[2]) << 24) |
4365 (((uint32_t)cdb[3]) << 16) |
4366 (((uint32_t)cdb[4]) << 8) |
4367 ((uint32_t)cdb[5]);
4368 break;
4369 case WRITE_6:
4370 case READ_6:
4371 cnt = cdb[4];
4372 if (cnt == 0) {
4373 cnt = 256;
4374 }
4375 lba = (((uint32_t)cdb[1] & 0x1f) << 16) |
4376 (((uint32_t)cdb[2]) << 8) |
4377 ((uint32_t)cdb[3]);
4378 break;
4379 default:
4380 return (-1);
4381 }
4382
4383 cnt <<= DISK_SHIFT;
4384 lba <<= DISK_SHIFT;
4385
4386 if (offset == cnt) {
4387 *lp = 1;
4388 return (0);
4389 }
4390
4391 if (lba + cnt > dl) {
4392 return (-2);
4393 }
4394
4395 curcnt = MAX_ISP_TARG_TRANSFER;
4396 if (offset + curcnt >= cnt) {
4397 curcnt = cnt - offset;
4398 *lp = 1;
4399 } else {
4400 *lp = 0;
4401 }
4402 #ifdef ISP_MULTI_CCBS
4403 if (curcnt > MULTI_CCB_DATA_LIM)
4404 curcnt = MULTI_CCB_DATA_LIM;
4405 #endif
4406 *tl = curcnt;
4407 *kp = &dp[lba + offset];
4408 return (0);
4409 }
4410
4411 #endif
4412 #endif
4413
4414 static void
isp_cam_async(void * cbarg,uint32_t code,struct cam_path * path,void * arg)4415 isp_cam_async(void *cbarg, uint32_t code, struct cam_path *path, void *arg)
4416 {
4417 struct cam_sim *sim;
4418 int bus, tgt;
4419 ispsoftc_t *isp;
4420
4421 sim = (struct cam_sim *)cbarg;
4422 isp = (ispsoftc_t *) cam_sim_softc(sim);
4423 bus = cam_sim_bus(sim);
4424 tgt = xpt_path_target_id(path);
4425
4426 switch (code) {
4427 case AC_LOST_DEVICE:
4428 if (IS_SCSI(isp)) {
4429 uint16_t oflags, nflags;
4430 sdparam *sdp = SDPARAM(isp, bus);
4431
4432 if (tgt >= 0) {
4433 nflags = sdp->isp_devparam[tgt].nvrm_flags;
4434 #ifndef ISP_TARGET_MODE
4435 nflags &= DPARM_SAFE_DFLT;
4436 if (isp->isp_loaded_fw) {
4437 nflags |= DPARM_NARROW | DPARM_ASYNC;
4438 }
4439 #else
4440 nflags = DPARM_DEFAULT;
4441 #endif
4442 oflags = sdp->isp_devparam[tgt].goal_flags;
4443 sdp->isp_devparam[tgt].goal_flags = nflags;
4444 sdp->isp_devparam[tgt].dev_update = 1;
4445 sdp->update = 1;
4446 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus);
4447 sdp->isp_devparam[tgt].goal_flags = oflags;
4448 }
4449 }
4450 break;
4451 default:
4452 isp_prt(isp, ISP_LOGWARN, "isp_cam_async: Code 0x%x", code);
4453 break;
4454 }
4455 }
4456
4457 static void
isp_poll(struct cam_sim * sim)4458 isp_poll(struct cam_sim *sim)
4459 {
4460 ispsoftc_t *isp = cam_sim_softc(sim);
4461 uint32_t isr;
4462 uint16_t sema, mbox;
4463
4464 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) {
4465 isp_intr(isp, isr, sema, mbox);
4466 }
4467 }
4468
4469
4470 static void
isp_watchdog(void * arg)4471 isp_watchdog(void *arg)
4472 {
4473 struct ccb_scsiio *xs = arg;
4474 ispsoftc_t *isp;
4475 uint32_t ohandle = ISP_HANDLE_FREE, handle;
4476
4477 isp = XS_ISP(xs);
4478
4479 handle = isp_find_handle(isp, xs);
4480
4481 /*
4482 * Hand crank the interrupt code just to be sure the command isn't stuck somewhere.
4483 */
4484 if (handle != ISP_HANDLE_FREE) {
4485 uint32_t isr;
4486 uint16_t sema, mbox;
4487 if (ISP_READ_ISR(isp, &isr, &sema, &mbox) != 0) {
4488 isp_intr(isp, isr, sema, mbox);
4489 }
4490 ohandle = handle;
4491 handle = isp_find_handle(isp, xs);
4492 }
4493 if (handle != ISP_HANDLE_FREE) {
4494 /*
4495 * Try and make sure the command is really dead before
4496 * we release the handle (and DMA resources) for reuse.
4497 *
4498 * If we are successful in aborting the command then
4499 * we're done here because we'll get the command returned
4500 * back separately.
4501 */
4502 if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) {
4503 return;
4504 }
4505
4506 /*
4507 * Note that after calling the above, the command may in
4508 * fact have been completed.
4509 */
4510 xs = isp_find_xs(isp, handle);
4511
4512 /*
4513 * If the command no longer exists, then we won't
4514 * be able to find the xs again with this handle.
4515 */
4516 if (xs == NULL) {
4517 return;
4518 }
4519
4520 /*
4521 * After this point, the command is really dead.
4522 */
4523 if (XS_XFRLEN(xs)) {
4524 ISP_DMAFREE(isp, xs, handle);
4525 }
4526 isp_destroy_handle(isp, handle);
4527 isp_prt(isp, ISP_LOGERR, "%s: timeout for handle 0x%x", __func__, handle);
4528 xs->ccb_h.status &= ~CAM_STATUS_MASK;
4529 xs->ccb_h.status |= CAM_CMD_TIMEOUT;
4530 isp_prt_endcmd(isp, xs);
4531 isp_done(xs);
4532 } else {
4533 if (ohandle != ISP_HANDLE_FREE) {
4534 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle 0x%x, recovered during interrupt", __func__, ohandle);
4535 } else {
4536 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle already free", __func__);
4537 }
4538 }
4539 }
4540
4541 static void
isp_make_here(ispsoftc_t * isp,int chan,int tgt)4542 isp_make_here(ispsoftc_t *isp, int chan, int tgt)
4543 {
4544 union ccb *ccb;
4545 struct isp_fc *fc = ISP_FC_PC(isp, chan);
4546
4547 if (isp_autoconfig == 0) {
4548 return;
4549 }
4550
4551 /*
4552 * Allocate a CCB, create a wildcard path for this target and schedule a rescan.
4553 */
4554 ccb = xpt_alloc_ccb_nowait();
4555 if (ccb == NULL) {
4556 isp_prt(isp, ISP_LOGWARN, "Chan %d unable to alloc CCB for rescan", chan);
4557 return;
4558 }
4559 if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(fc->sim),
4560 tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
4561 isp_prt(isp, ISP_LOGWARN, "unable to create path for rescan");
4562 xpt_free_ccb(ccb);
4563 return;
4564 }
4565 xpt_rescan(ccb);
4566 }
4567
4568 static void
isp_make_gone(ispsoftc_t * isp,int chan,int tgt)4569 isp_make_gone(ispsoftc_t *isp, int chan, int tgt)
4570 {
4571 struct cam_path *tp;
4572 struct isp_fc *fc = ISP_FC_PC(isp, chan);
4573
4574 if (isp_autoconfig == 0) {
4575 return;
4576 }
4577 if (xpt_create_path(&tp, NULL, cam_sim_path(fc->sim), tgt, CAM_LUN_WILDCARD) == CAM_REQ_CMP) {
4578 xpt_async(AC_LOST_DEVICE, tp, NULL);
4579 xpt_free_path(tp);
4580 }
4581 }
4582
4583 /*
4584 * Gone Device Timer Function- when we have decided that a device has gone
4585 * away, we wait a specific period of time prior to telling the OS it has
4586 * gone away.
4587 *
4588 * This timer function fires once a second and then scans the port database
4589 * for devices that are marked dead but still have a virtual target assigned.
4590 * We decrement a counter for that port database entry, and when it hits zero,
4591 * we tell the OS the device has gone away.
4592 */
4593 static void
isp_gdt(void * arg)4594 isp_gdt(void *arg)
4595 {
4596 struct isp_fc *fc = arg;
4597 taskqueue_enqueue(taskqueue_thread, &fc->gtask);
4598 }
4599
4600 static void
isp_gdt_task(void * arg,int pending)4601 isp_gdt_task(void *arg, int pending)
4602 {
4603 struct isp_fc *fc = arg;
4604 ispsoftc_t *isp = fc->isp;
4605 int chan = fc - isp->isp_osinfo.pc.fc;
4606 fcportdb_t *lp;
4607 int dbidx, tgt, more_to_do = 0;
4608
4609 ISP_LOCK(isp);
4610 isp_prt(isp, ISP_LOGDEBUG0, "Chan %d GDT timer expired", chan);
4611 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) {
4612 lp = &FCPARAM(isp, chan)->portdb[dbidx];
4613
4614 if (lp->state != FC_PORTDB_STATE_ZOMBIE) {
4615 continue;
4616 }
4617 if (lp->dev_map_idx == 0 || lp->target_mode) {
4618 continue;
4619 }
4620 if (lp->gone_timer != 0) {
4621 isp_prt(isp, ISP_LOG_SANCFG, "%s: Chan %d more to do for target %u (timer=%u)", __func__, chan, lp->dev_map_idx - 1, lp->gone_timer);
4622 lp->gone_timer -= 1;
4623 more_to_do++;
4624 continue;
4625 }
4626 tgt = lp->dev_map_idx - 1;
4627 FCPARAM(isp, chan)->isp_dev_map[tgt] = 0;
4628 lp->dev_map_idx = 0;
4629 lp->state = FC_PORTDB_STATE_NIL;
4630 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, lp->portid, tgt, "Gone Device Timeout");
4631 isp_make_gone(isp, chan, tgt);
4632 }
4633 if (fc->ready) {
4634 if (more_to_do) {
4635 callout_reset(&fc->gdt, hz, isp_gdt, fc);
4636 } else {
4637 callout_deactivate(&fc->gdt);
4638 isp_prt(isp, ISP_LOG_SANCFG, "Chan %d Stopping Gone Device Timer @ %lu", chan, (unsigned long) time_uptime);
4639 }
4640 }
4641 ISP_UNLOCK(isp);
4642 }
4643
4644 /*
4645 * Loop Down Timer Function- when loop goes down, a timer is started and
4646 * and after it expires we come here and take all probational devices that
4647 * the OS knows about and the tell the OS that they've gone away.
4648 *
4649 * We don't clear the devices out of our port database because, when loop
4650 * come back up, we have to do some actual cleanup with the chip at that
4651 * point (implicit PLOGO, e.g., to get the chip's port database state right).
4652 */
4653 static void
isp_ldt(void * arg)4654 isp_ldt(void *arg)
4655 {
4656 struct isp_fc *fc = arg;
4657 taskqueue_enqueue(taskqueue_thread, &fc->ltask);
4658 }
4659
4660 static void
isp_ldt_task(void * arg,int pending)4661 isp_ldt_task(void *arg, int pending)
4662 {
4663 struct isp_fc *fc = arg;
4664 ispsoftc_t *isp = fc->isp;
4665 int chan = fc - isp->isp_osinfo.pc.fc;
4666 fcportdb_t *lp;
4667 int dbidx, tgt, i;
4668
4669 ISP_LOCK(isp);
4670 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop Down Timer expired @ %lu", chan, (unsigned long) time_uptime);
4671 callout_deactivate(&fc->ldt);
4672
4673 /*
4674 * Notify to the OS all targets who we now consider have departed.
4675 */
4676 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) {
4677 lp = &FCPARAM(isp, chan)->portdb[dbidx];
4678
4679 if (lp->state != FC_PORTDB_STATE_PROBATIONAL) {
4680 continue;
4681 }
4682 if (lp->dev_map_idx == 0 || lp->target_mode) {
4683 continue;
4684 }
4685
4686 /*
4687 * XXX: CLEAN UP AND COMPLETE ANY PENDING COMMANDS FIRST!
4688 */
4689
4690
4691 for (i = 0; i < isp->isp_maxcmds; i++) {
4692 struct ccb_scsiio *xs;
4693
4694 if (!ISP_VALID_HANDLE(isp, isp->isp_xflist[i].handle)) {
4695 continue;
4696 }
4697 if ((xs = isp->isp_xflist[i].cmd) == NULL) {
4698 continue;
4699 }
4700 if (dbidx != (FCPARAM(isp, chan)->isp_dev_map[XS_TGT(xs)] - 1)) {
4701 continue;
4702 }
4703 isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%d orphaned by loop down timeout",
4704 isp->isp_xflist[i].handle, chan, XS_TGT(xs), XS_LUN(xs));
4705 }
4706
4707 /*
4708 * Mark that we've announced that this device is gone....
4709 */
4710 lp->announced = 1;
4711
4712 /*
4713 * but *don't* change the state of the entry. Just clear
4714 * any target id stuff and announce to CAM that the
4715 * device is gone. This way any necessary PLOGO stuff
4716 * will happen when loop comes back up.
4717 */
4718
4719 tgt = lp->dev_map_idx - 1;
4720 FCPARAM(isp, chan)->isp_dev_map[tgt] = 0;
4721 lp->dev_map_idx = 0;
4722 lp->state = FC_PORTDB_STATE_NIL;
4723 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, lp->portid, tgt, "Loop Down Timeout");
4724 isp_make_gone(isp, chan, tgt);
4725 }
4726
4727 if (FCPARAM(isp, chan)->role & ISP_ROLE_INITIATOR) {
4728 isp_unfreeze_loopdown(isp, chan);
4729 }
4730 /*
4731 * The loop down timer has expired. Wake up the kthread
4732 * to notice that fact (or make it false).
4733 */
4734 fc->loop_dead = 1;
4735 fc->loop_down_time = fc->loop_down_limit+1;
4736 wakeup(fc);
4737 ISP_UNLOCK(isp);
4738 }
4739
4740 static void
isp_kthread(void * arg)4741 isp_kthread(void *arg)
4742 {
4743 struct isp_fc *fc = arg;
4744 ispsoftc_t *isp = fc->isp;
4745 int chan = fc - isp->isp_osinfo.pc.fc;
4746 int slp = 0;
4747
4748 mtx_lock(&isp->isp_osinfo.lock);
4749
4750 for (;;) {
4751 int lb, lim;
4752
4753 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d checking FC state", __func__, chan);
4754 lb = isp_fc_runstate(isp, chan, 250000);
4755
4756 /*
4757 * Our action is different based upon whether we're supporting
4758 * Initiator mode or not. If we are, we might freeze the simq
4759 * when loop is down and set all sorts of different delays to
4760 * check again.
4761 *
4762 * If not, we simply just wait for loop to come up.
4763 */
4764 if (lb && (FCPARAM(isp, chan)->role & ISP_ROLE_INITIATOR)) {
4765 /*
4766 * Increment loop down time by the last sleep interval
4767 */
4768 fc->loop_down_time += slp;
4769
4770 if (lb < 0) {
4771 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC loop not up (down count %d)", __func__, chan, fc->loop_down_time);
4772 } else {
4773 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC got to %d (down count %d)", __func__, chan, lb, fc->loop_down_time);
4774 }
4775
4776 /*
4777 * If we've never seen loop up and we've waited longer
4778 * than quickboot time, or we've seen loop up but we've
4779 * waited longer than loop_down_limit, give up and go
4780 * to sleep until loop comes up.
4781 */
4782 if (FCPARAM(isp, chan)->loop_seen_once == 0) {
4783 lim = isp_quickboot_time;
4784 } else {
4785 lim = fc->loop_down_limit;
4786 }
4787 if (fc->loop_down_time >= lim) {
4788 isp_freeze_loopdown(isp, chan, "loop limit hit");
4789 slp = 0;
4790 } else if (fc->loop_down_time < 10) {
4791 slp = 1;
4792 } else if (fc->loop_down_time < 30) {
4793 slp = 5;
4794 } else if (fc->loop_down_time < 60) {
4795 slp = 10;
4796 } else if (fc->loop_down_time < 120) {
4797 slp = 20;
4798 } else {
4799 slp = 30;
4800 }
4801
4802 } else if (lb) {
4803 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC Loop Down", __func__, chan);
4804 fc->loop_down_time += slp;
4805 if (fc->loop_down_time > 300)
4806 slp = 0;
4807 else
4808 slp = 60;
4809 } else {
4810 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC state OK", __func__, chan);
4811 fc->loop_down_time = 0;
4812 slp = 0;
4813 }
4814
4815
4816 /*
4817 * If this is past the first loop up or the loop is dead and if we'd frozen the simq, unfreeze it
4818 * now so that CAM can start sending us commands.
4819 *
4820 * If the FC state isn't okay yet, they'll hit that in isp_start which will freeze the queue again
4821 * or kill the commands, as appropriate.
4822 */
4823
4824 if (FCPARAM(isp, chan)->loop_seen_once || fc->loop_dead) {
4825 isp_unfreeze_loopdown(isp, chan);
4826 }
4827
4828 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d sleep time %d", __func__, chan, slp);
4829
4830 msleep(fc, &isp->isp_osinfo.lock, PRIBIO, "ispf", slp * hz);
4831
4832 /*
4833 * If slp is zero, we're waking up for the first time after
4834 * things have been okay. In this case, we set a deferral state
4835 * for all commands and delay hysteresis seconds before starting
4836 * the FC state evaluation. This gives the loop/fabric a chance
4837 * to settle.
4838 */
4839 if (slp == 0 && fc->hysteresis) {
4840 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d sleep hysteresis ticks %d", __func__, chan, fc->hysteresis * hz);
4841 mtx_unlock(&isp->isp_osinfo.lock);
4842 pause("ispt", fc->hysteresis * hz);
4843 mtx_lock(&isp->isp_osinfo.lock);
4844 }
4845 }
4846 mtx_unlock(&isp->isp_osinfo.lock);
4847 }
4848
4849 static void
isp_action(struct cam_sim * sim,union ccb * ccb)4850 isp_action(struct cam_sim *sim, union ccb *ccb)
4851 {
4852 int bus, tgt, ts, error, lim;
4853 ispsoftc_t *isp;
4854 struct ccb_trans_settings *cts;
4855
4856 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("isp_action\n"));
4857
4858 isp = (ispsoftc_t *)cam_sim_softc(sim);
4859 mtx_assert(&isp->isp_lock, MA_OWNED);
4860
4861 if (isp->isp_state != ISP_RUNSTATE && ccb->ccb_h.func_code == XPT_SCSI_IO) {
4862 isp_init(isp);
4863 if (isp->isp_state != ISP_INITSTATE) {
4864 /*
4865 * Lie. Say it was a selection timeout.
4866 */
4867 ccb->ccb_h.status = CAM_SEL_TIMEOUT | CAM_DEV_QFRZN;
4868 xpt_freeze_devq(ccb->ccb_h.path, 1);
4869 xpt_done(ccb);
4870 return;
4871 }
4872 isp->isp_state = ISP_RUNSTATE;
4873 }
4874 isp_prt(isp, ISP_LOGDEBUG2, "isp_action code %x", ccb->ccb_h.func_code);
4875 ISP_PCMD(ccb) = NULL;
4876
4877 switch (ccb->ccb_h.func_code) {
4878 case XPT_SCSI_IO: /* Execute the requested I/O operation */
4879 bus = XS_CHANNEL(ccb);
4880 /*
4881 * Do a couple of preliminary checks...
4882 */
4883 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) {
4884 if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) {
4885 ccb->ccb_h.status = CAM_REQ_INVALID;
4886 xpt_done(ccb);
4887 break;
4888 }
4889 }
4890 ccb->csio.req_map = NULL;
4891 #ifdef DIAGNOSTIC
4892 if (ccb->ccb_h.target_id > (ISP_MAX_TARGETS(isp) - 1)) {
4893 xpt_print(ccb->ccb_h.path, "invalid target\n");
4894 ccb->ccb_h.status = CAM_PATH_INVALID;
4895 } else if (ccb->ccb_h.target_lun > (ISP_MAX_LUNS(isp) - 1)) {
4896 xpt_print(ccb->ccb_h.path, "invalid lun\n");
4897 ccb->ccb_h.status = CAM_PATH_INVALID;
4898 }
4899 if (ccb->ccb_h.status == CAM_PATH_INVALID) {
4900 xpt_done(ccb);
4901 break;
4902 }
4903 #endif
4904 ccb->csio.scsi_status = SCSI_STATUS_OK;
4905 if (isp_get_pcmd(isp, ccb)) {
4906 isp_prt(isp, ISP_LOGWARN, "out of PCMDs");
4907 cam_freeze_devq(ccb->ccb_h.path);
4908 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 250, 0);
4909 xpt_done(ccb);
4910 break;
4911 }
4912 error = isp_start((XS_T *) ccb);
4913 switch (error) {
4914 case CMD_QUEUED:
4915 ccb->ccb_h.status |= CAM_SIM_QUEUED;
4916 if (ccb->ccb_h.timeout == CAM_TIME_INFINITY) {
4917 break;
4918 }
4919 ts = ccb->ccb_h.timeout;
4920 if (ts == CAM_TIME_DEFAULT) {
4921 ts = 60*1000;
4922 }
4923 ts = isp_mstohz(ts);
4924 callout_reset(&PISP_PCMD(ccb)->wdog, ts, isp_watchdog, ccb);
4925 break;
4926 case CMD_RQLATER:
4927 /*
4928 * We get this result for FC devices if the loop state isn't ready yet
4929 * or if the device in question has gone zombie on us.
4930 *
4931 * If we've never seen Loop UP at all, we requeue this request and wait
4932 * for the initial loop up delay to expire.
4933 */
4934 lim = ISP_FC_PC(isp, bus)->loop_down_limit;
4935 if (FCPARAM(isp, bus)->loop_seen_once == 0 || ISP_FC_PC(isp, bus)->loop_down_time >= lim) {
4936 if (FCPARAM(isp, bus)->loop_seen_once == 0) {
4937 isp_prt(isp, ISP_LOGDEBUG0, "%d.%d loop not seen yet @ %lu", XS_TGT(ccb), XS_LUN(ccb), (unsigned long) time_uptime);
4938 } else {
4939 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);
4940 }
4941 ccb->ccb_h.status = CAM_SEL_TIMEOUT|CAM_DEV_QFRZN;
4942 xpt_freeze_devq(ccb->ccb_h.path, 1);
4943 isp_free_pcmd(isp, ccb);
4944 xpt_done(ccb);
4945 break;
4946 }
4947 isp_prt(isp, ISP_LOGDEBUG0, "%d.%d retry later", XS_TGT(ccb), XS_LUN(ccb));
4948 cam_freeze_devq(ccb->ccb_h.path);
4949 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0);
4950 ccb->ccb_h.status = CAM_REQUEUE_REQ;
4951 isp_free_pcmd(isp, ccb);
4952 xpt_done(ccb);
4953 break;
4954 case CMD_EAGAIN:
4955 isp_free_pcmd(isp, ccb);
4956 cam_freeze_devq(ccb->ccb_h.path);
4957 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 100, 0);
4958 ccb->ccb_h.status = CAM_REQUEUE_REQ;
4959 xpt_done(ccb);
4960 break;
4961 case CMD_COMPLETE:
4962 isp_done((struct ccb_scsiio *) ccb);
4963 break;
4964 default:
4965 isp_prt(isp, ISP_LOGERR, "What's this? 0x%x at %d in file %s", error, __LINE__, __FILE__);
4966 ccb->ccb_h.status = CAM_REQUEUE_REQ;
4967 isp_free_pcmd(isp, ccb);
4968 xpt_done(ccb);
4969 }
4970 break;
4971
4972 #ifdef ISP_TARGET_MODE
4973 case XPT_EN_LUN: /* Enable/Disable LUN as a target */
4974 if (ccb->cel.enable) {
4975 isp_enable_lun(isp, ccb);
4976 } else {
4977 isp_disable_lun(isp, ccb);
4978 }
4979 break;
4980 case XPT_IMMED_NOTIFY:
4981 case XPT_IMMEDIATE_NOTIFY: /* Add Immediate Notify Resource */
4982 case XPT_ACCEPT_TARGET_IO: /* Add Accept Target IO Resource */
4983 {
4984 tstate_t *tptr = get_lun_statep(isp, XS_CHANNEL(ccb), ccb->ccb_h.target_lun);
4985 if (tptr == NULL) {
4986 tptr = get_lun_statep(isp, XS_CHANNEL(ccb), CAM_LUN_WILDCARD);
4987 }
4988 if (tptr == NULL) {
4989 const char *str;
4990 uint32_t tag;
4991
4992 if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) {
4993 str = "XPT_IMMEDIATE_NOTIFY";
4994 tag = ccb->cin1.seq_id;
4995 } else {
4996 tag = ccb->atio.tag_id;
4997 str = "XPT_ACCEPT_TARGET_IO";
4998 }
4999 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "%s: [0x%x] no state pointer found for %s\n", __func__, tag, str);
5000 dump_tstates(isp, XS_CHANNEL(ccb));
5001 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
5002 break;
5003 }
5004 ccb->ccb_h.spriv_field0 = 0;
5005 ccb->ccb_h.spriv_ptr1 = isp;
5006 ccb->ccb_h.flags = 0;
5007
5008 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) {
5009 if (ccb->atio.tag_id) {
5010 atio_private_data_t *atp = isp_get_atpd(isp, tptr, ccb->atio.tag_id);
5011 if (atp) {
5012 isp_put_atpd(isp, tptr, atp);
5013 }
5014 }
5015 tptr->atio_count++;
5016 SLIST_INSERT_HEAD(&tptr->atios, &ccb->ccb_h, sim_links.sle);
5017 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, "Put FREE ATIO (tag id 0x%x), count now %d\n",
5018 ccb->atio.tag_id, tptr->atio_count);
5019 ccb->atio.tag_id = 0;
5020 } else if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) {
5021 if (ccb->cin1.tag_id) {
5022 inot_private_data_t *ntp = isp_find_ntpd(isp, tptr, ccb->cin1.tag_id, ccb->cin1.seq_id);
5023 if (ntp) {
5024 isp_put_ntpd(isp, tptr, ntp);
5025 }
5026 }
5027 tptr->inot_count++;
5028 SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle);
5029 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, "Put FREE INOT, (seq id 0x%x) count now %d\n",
5030 ccb->cin1.seq_id, tptr->inot_count);
5031 ccb->cin1.seq_id = 0;
5032 } else if (ccb->ccb_h.func_code == XPT_IMMED_NOTIFY) {
5033 tptr->inot_count++;
5034 SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle);
5035 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, "Put FREE INOT, (seq id 0x%x) count now %d\n",
5036 ccb->cin1.seq_id, tptr->inot_count);
5037 ccb->cin1.seq_id = 0;
5038 }
5039 rls_lun_statep(isp, tptr);
5040 ccb->ccb_h.status = CAM_REQ_INPROG;
5041 break;
5042 }
5043 case XPT_NOTIFY_ACK:
5044 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
5045 break;
5046 case XPT_NOTIFY_ACKNOWLEDGE: /* notify ack */
5047 {
5048 tstate_t *tptr;
5049 inot_private_data_t *ntp;
5050
5051 /*
5052 * XXX: Because we cannot guarantee that the path information in the notify acknowledge ccb
5053 * XXX: matches that for the immediate notify, we have to *search* for the notify structure
5054 */
5055 /*
5056 * All the relevant path information is in the associated immediate notify
5057 */
5058 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);
5059 ntp = get_ntp_from_tagdata(isp, ccb->cna2.tag_id, ccb->cna2.seq_id, &tptr);
5060 if (ntp == NULL) {
5061 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__,
5062 ccb->cna2.tag_id, ccb->cna2.seq_id);
5063 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
5064 xpt_done(ccb);
5065 break;
5066 }
5067 if (isp_handle_platform_target_notify_ack(isp, &ntp->rd.nt)) {
5068 rls_lun_statep(isp, tptr);
5069 cam_freeze_devq(ccb->ccb_h.path);
5070 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0);
5071 ccb->ccb_h.status &= ~CAM_STATUS_MASK;
5072 ccb->ccb_h.status |= CAM_REQUEUE_REQ;
5073 break;
5074 }
5075 isp_put_ntpd(isp, tptr, ntp);
5076 rls_lun_statep(isp, tptr);
5077 ccb->ccb_h.status = CAM_REQ_CMP;
5078 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);
5079 xpt_done(ccb);
5080 break;
5081 }
5082 case XPT_CONT_TARGET_IO:
5083 isp_target_start_ctio(isp, ccb, FROM_CAM);
5084 break;
5085 #endif
5086 case XPT_RESET_DEV: /* BDR the specified SCSI device */
5087
5088 bus = cam_sim_bus(xpt_path_sim(ccb->ccb_h.path));
5089 tgt = ccb->ccb_h.target_id;
5090 tgt |= (bus << 16);
5091
5092 error = isp_control(isp, ISPCTL_RESET_DEV, bus, tgt);
5093 if (error) {
5094 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
5095 } else {
5096 ccb->ccb_h.status = CAM_REQ_CMP;
5097 }
5098 xpt_done(ccb);
5099 break;
5100 case XPT_ABORT: /* Abort the specified CCB */
5101 {
5102 union ccb *accb = ccb->cab.abort_ccb;
5103 switch (accb->ccb_h.func_code) {
5104 #ifdef ISP_TARGET_MODE
5105 case XPT_ACCEPT_TARGET_IO:
5106 isp_target_mark_aborted(isp, ccb);
5107 break;
5108 #endif
5109 case XPT_SCSI_IO:
5110 error = isp_control(isp, ISPCTL_ABORT_CMD, ccb);
5111 if (error) {
5112 ccb->ccb_h.status = CAM_UA_ABORT;
5113 } else {
5114 ccb->ccb_h.status = CAM_REQ_CMP;
5115 }
5116 break;
5117 default:
5118 ccb->ccb_h.status = CAM_REQ_INVALID;
5119 break;
5120 }
5121 /*
5122 * This is not a queued CCB, so the caller expects it to be
5123 * complete when control is returned.
5124 */
5125 break;
5126 }
5127 #define IS_CURRENT_SETTINGS(c) (c->type == CTS_TYPE_CURRENT_SETTINGS)
5128 case XPT_SET_TRAN_SETTINGS: /* Nexus Settings */
5129 cts = &ccb->cts;
5130 if (!IS_CURRENT_SETTINGS(cts)) {
5131 ccb->ccb_h.status = CAM_REQ_INVALID;
5132 xpt_done(ccb);
5133 break;
5134 }
5135 tgt = cts->ccb_h.target_id;
5136 bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path));
5137 if (IS_SCSI(isp)) {
5138 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
5139 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi;
5140 sdparam *sdp = SDPARAM(isp, bus);
5141 uint16_t *dptr;
5142
5143 if (spi->valid == 0 && scsi->valid == 0) {
5144 ccb->ccb_h.status = CAM_REQ_CMP;
5145 xpt_done(ccb);
5146 break;
5147 }
5148
5149 /*
5150 * We always update (internally) from goal_flags
5151 * so any request to change settings just gets
5152 * vectored to that location.
5153 */
5154 dptr = &sdp->isp_devparam[tgt].goal_flags;
5155
5156 if ((spi->valid & CTS_SPI_VALID_DISC) != 0) {
5157 if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0)
5158 *dptr |= DPARM_DISC;
5159 else
5160 *dptr &= ~DPARM_DISC;
5161 }
5162
5163 if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) {
5164 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0)
5165 *dptr |= DPARM_TQING;
5166 else
5167 *dptr &= ~DPARM_TQING;
5168 }
5169
5170 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) {
5171 if (spi->bus_width == MSG_EXT_WDTR_BUS_16_BIT)
5172 *dptr |= DPARM_WIDE;
5173 else
5174 *dptr &= ~DPARM_WIDE;
5175 }
5176
5177 /*
5178 * XXX: FIX ME
5179 */
5180 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) && (spi->valid & CTS_SPI_VALID_SYNC_RATE) && (spi->sync_period && spi->sync_offset)) {
5181 *dptr |= DPARM_SYNC;
5182 /*
5183 * XXX: CHECK FOR LEGALITY
5184 */
5185 sdp->isp_devparam[tgt].goal_period = spi->sync_period;
5186 sdp->isp_devparam[tgt].goal_offset = spi->sync_offset;
5187 } else {
5188 *dptr &= ~DPARM_SYNC;
5189 }
5190 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,
5191 sdp->isp_devparam[tgt].goal_offset, sdp->isp_devparam[tgt].goal_period);
5192 sdp->isp_devparam[tgt].dev_update = 1;
5193 sdp->update = 1;
5194 }
5195 ccb->ccb_h.status = CAM_REQ_CMP;
5196 xpt_done(ccb);
5197 break;
5198 case XPT_GET_TRAN_SETTINGS:
5199 cts = &ccb->cts;
5200 tgt = cts->ccb_h.target_id;
5201 bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path));
5202 if (IS_FC(isp)) {
5203 fcparam *fcp = FCPARAM(isp, bus);
5204 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
5205 struct ccb_trans_settings_fc *fc = &cts->xport_specific.fc;
5206 unsigned int hdlidx;
5207
5208 cts->protocol = PROTO_SCSI;
5209 cts->protocol_version = SCSI_REV_2;
5210 cts->transport = XPORT_FC;
5211 cts->transport_version = 0;
5212
5213 scsi->valid = CTS_SCSI_VALID_TQ;
5214 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
5215 fc->valid = CTS_FC_VALID_SPEED;
5216 fc->bitrate = 100000;
5217 fc->bitrate *= fcp->isp_gbspeed;
5218 hdlidx = fcp->isp_dev_map[tgt] - 1;
5219 if (hdlidx < MAX_FC_TARG) {
5220 fcportdb_t *lp = &fcp->portdb[hdlidx];
5221 fc->wwnn = lp->node_wwn;
5222 fc->wwpn = lp->port_wwn;
5223 fc->port = lp->portid;
5224 fc->valid |= CTS_FC_VALID_WWNN | CTS_FC_VALID_WWPN | CTS_FC_VALID_PORT;
5225 }
5226 } else {
5227 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
5228 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi;
5229 sdparam *sdp = SDPARAM(isp, bus);
5230 uint16_t dval, pval, oval;
5231
5232 if (IS_CURRENT_SETTINGS(cts)) {
5233 sdp->isp_devparam[tgt].dev_refresh = 1;
5234 sdp->update = 1;
5235 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus);
5236 dval = sdp->isp_devparam[tgt].actv_flags;
5237 oval = sdp->isp_devparam[tgt].actv_offset;
5238 pval = sdp->isp_devparam[tgt].actv_period;
5239 } else {
5240 dval = sdp->isp_devparam[tgt].nvrm_flags;
5241 oval = sdp->isp_devparam[tgt].nvrm_offset;
5242 pval = sdp->isp_devparam[tgt].nvrm_period;
5243 }
5244
5245 cts->protocol = PROTO_SCSI;
5246 cts->protocol_version = SCSI_REV_2;
5247 cts->transport = XPORT_SPI;
5248 cts->transport_version = 2;
5249
5250 spi->valid = 0;
5251 scsi->valid = 0;
5252 spi->flags = 0;
5253 scsi->flags = 0;
5254 if (dval & DPARM_DISC) {
5255 spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
5256 }
5257 if ((dval & DPARM_SYNC) && oval && pval) {
5258 spi->sync_offset = oval;
5259 spi->sync_period = pval;
5260 } else {
5261 spi->sync_offset = 0;
5262 spi->sync_period = 0;
5263 }
5264 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET;
5265 spi->valid |= CTS_SPI_VALID_SYNC_RATE;
5266 spi->valid |= CTS_SPI_VALID_BUS_WIDTH;
5267 if (dval & DPARM_WIDE) {
5268 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
5269 } else {
5270 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
5271 }
5272 if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) {
5273 scsi->valid = CTS_SCSI_VALID_TQ;
5274 if (dval & DPARM_TQING) {
5275 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
5276 }
5277 spi->valid |= CTS_SPI_VALID_DISC;
5278 }
5279 isp_prt(isp, ISP_LOGDEBUG0, "GET %s (%d.%d.%d) to flags %x off %x per %x", IS_CURRENT_SETTINGS(cts)? "ACTIVE" : "NVRAM",
5280 bus, tgt, cts->ccb_h.target_lun, dval, oval, pval);
5281 }
5282 ccb->ccb_h.status = CAM_REQ_CMP;
5283 xpt_done(ccb);
5284 break;
5285
5286 case XPT_CALC_GEOMETRY:
5287 cam_calc_geometry(&ccb->ccg, 1);
5288 xpt_done(ccb);
5289 break;
5290
5291 case XPT_RESET_BUS: /* Reset the specified bus */
5292 bus = cam_sim_bus(sim);
5293 error = isp_control(isp, ISPCTL_RESET_BUS, bus);
5294 if (error) {
5295 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
5296 xpt_done(ccb);
5297 break;
5298 }
5299 if (bootverbose) {
5300 xpt_print(ccb->ccb_h.path, "reset bus on channel %d\n", bus);
5301 }
5302 if (IS_FC(isp)) {
5303 xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, 0);
5304 } else {
5305 xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, 0);
5306 }
5307 ccb->ccb_h.status = CAM_REQ_CMP;
5308 xpt_done(ccb);
5309 break;
5310
5311 case XPT_TERM_IO: /* Terminate the I/O process */
5312 ccb->ccb_h.status = CAM_REQ_INVALID;
5313 xpt_done(ccb);
5314 break;
5315
5316 case XPT_SET_SIM_KNOB: /* Set SIM knobs */
5317 {
5318 struct ccb_sim_knob *kp = &ccb->knob;
5319 fcparam *fcp;
5320
5321 if (!IS_FC(isp)) {
5322 ccb->ccb_h.status = CAM_REQ_INVALID;
5323 xpt_done(ccb);
5324 break;
5325 }
5326
5327 bus = cam_sim_bus(xpt_path_sim(kp->ccb_h.path));
5328 fcp = FCPARAM(isp, bus);
5329
5330 if (kp->xport_specific.fc.valid & KNOB_VALID_ADDRESS) {
5331 fcp->isp_wwnn = ISP_FC_PC(isp, bus)->def_wwnn = kp->xport_specific.fc.wwnn;
5332 fcp->isp_wwpn = ISP_FC_PC(isp, bus)->def_wwpn = kp->xport_specific.fc.wwpn;
5333 isp_prt(isp, ISP_LOGALL, "Setting Channel %d wwns to 0x%jx 0x%jx", bus, fcp->isp_wwnn, fcp->isp_wwpn);
5334 }
5335 ccb->ccb_h.status = CAM_REQ_CMP;
5336 if (kp->xport_specific.fc.valid & KNOB_VALID_ROLE) {
5337 int rchange = 0;
5338 int newrole = 0;
5339
5340 switch (kp->xport_specific.fc.role) {
5341 case KNOB_ROLE_NONE:
5342 if (fcp->role != ISP_ROLE_NONE) {
5343 rchange = 1;
5344 newrole = ISP_ROLE_NONE;
5345 }
5346 break;
5347 case KNOB_ROLE_TARGET:
5348 if (fcp->role != ISP_ROLE_TARGET) {
5349 rchange = 1;
5350 newrole = ISP_ROLE_TARGET;
5351 }
5352 break;
5353 case KNOB_ROLE_INITIATOR:
5354 if (fcp->role != ISP_ROLE_INITIATOR) {
5355 rchange = 1;
5356 newrole = ISP_ROLE_INITIATOR;
5357 }
5358 break;
5359 case KNOB_ROLE_BOTH:
5360 #if 0
5361 if (fcp->role != ISP_ROLE_BOTH) {
5362 rchange = 1;
5363 newrole = ISP_ROLE_BOTH;
5364 }
5365 #else
5366 /*
5367 * We don't really support dual role at present on FC cards.
5368 *
5369 * We should, but a bunch of things are currently broken,
5370 * so don't allow it.
5371 */
5372 isp_prt(isp, ISP_LOGERR, "cannot support dual role at present");
5373 ccb->ccb_h.status = CAM_REQ_INVALID;
5374 #endif
5375 break;
5376 }
5377 if (rchange) {
5378 ISP_PATH_PRT(isp, ISP_LOGCONFIG, ccb->ccb_h.path, "changing role on from %d to %d\n", fcp->role, newrole);
5379 #ifdef ISP_TARGET_MODE
5380 ISP_SET_PC(isp, bus, tm_enabled, 0);
5381 ISP_SET_PC(isp, bus, tm_luns_enabled, 0);
5382 #endif
5383 if (isp_fc_change_role(isp, bus, newrole) != 0) {
5384 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
5385 xpt_done(ccb);
5386 break;
5387 }
5388 #ifdef ISP_TARGET_MODE
5389 if (newrole == ISP_ROLE_TARGET || newrole == ISP_ROLE_BOTH) {
5390 /*
5391 * Give the new role a chance to complain and settle
5392 */
5393 msleep(isp, &isp->isp_lock, PRIBIO, "taking a breather", 2);
5394 ccb->ccb_h.status = isp_enable_deferred_luns(isp, bus);
5395 }
5396 #endif
5397 }
5398 }
5399 xpt_done(ccb);
5400 break;
5401 }
5402 case XPT_GET_SIM_KNOB: /* Get SIM knobs */
5403 {
5404 struct ccb_sim_knob *kp = &ccb->knob;
5405
5406 if (IS_FC(isp)) {
5407 fcparam *fcp;
5408
5409 bus = cam_sim_bus(xpt_path_sim(kp->ccb_h.path));
5410 fcp = FCPARAM(isp, bus);
5411
5412 kp->xport_specific.fc.wwnn = fcp->isp_wwnn;
5413 kp->xport_specific.fc.wwpn = fcp->isp_wwpn;
5414 switch (fcp->role) {
5415 case ISP_ROLE_NONE:
5416 kp->xport_specific.fc.role = KNOB_ROLE_NONE;
5417 break;
5418 case ISP_ROLE_TARGET:
5419 kp->xport_specific.fc.role = KNOB_ROLE_TARGET;
5420 break;
5421 case ISP_ROLE_INITIATOR:
5422 kp->xport_specific.fc.role = KNOB_ROLE_INITIATOR;
5423 break;
5424 case ISP_ROLE_BOTH:
5425 kp->xport_specific.fc.role = KNOB_ROLE_BOTH;
5426 break;
5427 }
5428 kp->xport_specific.fc.valid = KNOB_VALID_ADDRESS | KNOB_VALID_ROLE;
5429 ccb->ccb_h.status = CAM_REQ_CMP;
5430 } else {
5431 ccb->ccb_h.status = CAM_REQ_INVALID;
5432 }
5433 xpt_done(ccb);
5434 break;
5435 }
5436 case XPT_PATH_INQ: /* Path routing inquiry */
5437 {
5438 struct ccb_pathinq *cpi = &ccb->cpi;
5439
5440 cpi->version_num = 1;
5441 #ifdef ISP_TARGET_MODE
5442 cpi->target_sprt = PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO;
5443 #else
5444 cpi->target_sprt = 0;
5445 #endif
5446 cpi->hba_eng_cnt = 0;
5447 cpi->max_target = ISP_MAX_TARGETS(isp) - 1;
5448 cpi->max_lun = ISP_MAX_LUNS(isp) - 1;
5449 cpi->bus_id = cam_sim_bus(sim);
5450 if (isp->isp_osinfo.sixtyfourbit)
5451 cpi->maxio = (ISP_NSEG64_MAX - 1) * PAGE_SIZE;
5452 else
5453 cpi->maxio = (ISP_NSEG_MAX - 1) * PAGE_SIZE;
5454
5455 bus = cam_sim_bus(xpt_path_sim(cpi->ccb_h.path));
5456 if (IS_FC(isp)) {
5457 fcparam *fcp = FCPARAM(isp, bus);
5458
5459 cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED;
5460
5461 /*
5462 * Because our loop ID can shift from time to time,
5463 * make our initiator ID out of range of our bus.
5464 */
5465 cpi->initiator_id = cpi->max_target + 1;
5466
5467 /*
5468 * Set base transfer capabilities for Fibre Channel, for this HBA.
5469 */
5470 if (IS_25XX(isp)) {
5471 cpi->base_transfer_speed = 8000000;
5472 } else if (IS_24XX(isp)) {
5473 cpi->base_transfer_speed = 4000000;
5474 } else if (IS_23XX(isp)) {
5475 cpi->base_transfer_speed = 2000000;
5476 } else {
5477 cpi->base_transfer_speed = 1000000;
5478 }
5479 cpi->hba_inquiry = PI_TAG_ABLE;
5480 cpi->transport = XPORT_FC;
5481 cpi->transport_version = 0;
5482 cpi->xport_specific.fc.wwnn = fcp->isp_wwnn;
5483 cpi->xport_specific.fc.wwpn = fcp->isp_wwpn;
5484 cpi->xport_specific.fc.port = fcp->isp_portid;
5485 cpi->xport_specific.fc.bitrate = fcp->isp_gbspeed * 1000;
5486 } else {
5487 sdparam *sdp = SDPARAM(isp, bus);
5488 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16;
5489 cpi->hba_misc = PIM_UNMAPPED;
5490 cpi->initiator_id = sdp->isp_initiator_id;
5491 cpi->base_transfer_speed = 3300;
5492 cpi->transport = XPORT_SPI;
5493 cpi->transport_version = 2;
5494 }
5495 cpi->protocol = PROTO_SCSI;
5496 cpi->protocol_version = SCSI_REV_2;
5497 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
5498 strncpy(cpi->hba_vid, "Qlogic", HBA_IDLEN);
5499 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
5500 cpi->unit_number = cam_sim_unit(sim);
5501 cpi->ccb_h.status = CAM_REQ_CMP;
5502 xpt_done(ccb);
5503 break;
5504 }
5505 default:
5506 ccb->ccb_h.status = CAM_REQ_INVALID;
5507 xpt_done(ccb);
5508 break;
5509 }
5510 }
5511
5512 #define ISPDDB (CAM_DEBUG_INFO|CAM_DEBUG_TRACE|CAM_DEBUG_CDB)
5513
5514 void
isp_done(XS_T * sccb)5515 isp_done(XS_T *sccb)
5516 {
5517 ispsoftc_t *isp = XS_ISP(sccb);
5518 uint32_t status;
5519
5520 if (XS_NOERR(sccb))
5521 XS_SETERR(sccb, CAM_REQ_CMP);
5522
5523 if ((sccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && (sccb->scsi_status != SCSI_STATUS_OK)) {
5524 sccb->ccb_h.status &= ~CAM_STATUS_MASK;
5525 if ((sccb->scsi_status == SCSI_STATUS_CHECK_COND) && (sccb->ccb_h.status & CAM_AUTOSNS_VALID) == 0) {
5526 sccb->ccb_h.status |= CAM_AUTOSENSE_FAIL;
5527 } else {
5528 sccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR;
5529 }
5530 }
5531
5532 sccb->ccb_h.status &= ~CAM_SIM_QUEUED;
5533 status = sccb->ccb_h.status & CAM_STATUS_MASK;
5534 if (status != CAM_REQ_CMP) {
5535 if (status != CAM_SEL_TIMEOUT)
5536 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);
5537 if ((sccb->ccb_h.status & CAM_DEV_QFRZN) == 0) {
5538 sccb->ccb_h.status |= CAM_DEV_QFRZN;
5539 xpt_freeze_devq(sccb->ccb_h.path, 1);
5540 }
5541 }
5542
5543 if ((CAM_DEBUGGED(sccb->ccb_h.path, ISPDDB)) && (sccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
5544 xpt_print(sccb->ccb_h.path, "cam completion status 0x%x\n", sccb->ccb_h.status);
5545 }
5546
5547 if (callout_active(&PISP_PCMD(sccb)->wdog))
5548 callout_stop(&PISP_PCMD(sccb)->wdog);
5549 isp_free_pcmd(isp, (union ccb *) sccb);
5550 xpt_done((union ccb *) sccb);
5551 }
5552
5553 void
isp_async(ispsoftc_t * isp,ispasync_t cmd,...)5554 isp_async(ispsoftc_t *isp, ispasync_t cmd, ...)
5555 {
5556 int bus;
5557 static const char prom0[] = "Chan %d PortID 0x%06x handle 0x%x %s %s WWPN 0x%08x%08x";
5558 static const char prom2[] = "Chan %d PortID 0x%06x handle 0x%x %s %s tgt %u WWPN 0x%08x%08x";
5559 char buf[64];
5560 char *msg = NULL;
5561 target_id_t tgt;
5562 fcportdb_t *lp;
5563 struct isp_fc *fc;
5564 struct cam_path *tmppath;
5565 va_list ap;
5566
5567 switch (cmd) {
5568 case ISPASYNC_NEW_TGT_PARAMS:
5569 {
5570 struct ccb_trans_settings_scsi *scsi;
5571 struct ccb_trans_settings_spi *spi;
5572 int flags, tgt;
5573 sdparam *sdp;
5574 struct ccb_trans_settings cts;
5575
5576 memset(&cts, 0, sizeof (struct ccb_trans_settings));
5577
5578 va_start(ap, cmd);
5579 bus = va_arg(ap, int);
5580 tgt = va_arg(ap, int);
5581 va_end(ap);
5582 sdp = SDPARAM(isp, bus);
5583
5584 if (xpt_create_path(&tmppath, NULL, cam_sim_path(ISP_SPI_PC(isp, bus)->sim), tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
5585 isp_prt(isp, ISP_LOGWARN, "isp_async cannot make temp path for %d.%d", tgt, bus);
5586 break;
5587 }
5588 flags = sdp->isp_devparam[tgt].actv_flags;
5589 cts.type = CTS_TYPE_CURRENT_SETTINGS;
5590 cts.protocol = PROTO_SCSI;
5591 cts.transport = XPORT_SPI;
5592
5593 scsi = &cts.proto_specific.scsi;
5594 spi = &cts.xport_specific.spi;
5595
5596 if (flags & DPARM_TQING) {
5597 scsi->valid |= CTS_SCSI_VALID_TQ;
5598 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
5599 }
5600
5601 if (flags & DPARM_DISC) {
5602 spi->valid |= CTS_SPI_VALID_DISC;
5603 spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
5604 }
5605 spi->flags |= CTS_SPI_VALID_BUS_WIDTH;
5606 if (flags & DPARM_WIDE) {
5607 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
5608 } else {
5609 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
5610 }
5611 if (flags & DPARM_SYNC) {
5612 spi->valid |= CTS_SPI_VALID_SYNC_RATE;
5613 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET;
5614 spi->sync_period = sdp->isp_devparam[tgt].actv_period;
5615 spi->sync_offset = sdp->isp_devparam[tgt].actv_offset;
5616 }
5617 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);
5618 xpt_setup_ccb(&cts.ccb_h, tmppath, 1);
5619 xpt_async(AC_TRANSFER_NEG, tmppath, &cts);
5620 xpt_free_path(tmppath);
5621 break;
5622 }
5623 case ISPASYNC_BUS_RESET:
5624 {
5625 va_start(ap, cmd);
5626 bus = va_arg(ap, int);
5627 va_end(ap);
5628 isp_prt(isp, ISP_LOGINFO, "SCSI bus reset on bus %d detected", bus);
5629 if (IS_FC(isp)) {
5630 xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, NULL);
5631 } else {
5632 xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, NULL);
5633 }
5634 break;
5635 }
5636 case ISPASYNC_LIP:
5637 if (msg == NULL) {
5638 msg = "LIP Received";
5639 }
5640 /* FALLTHROUGH */
5641 case ISPASYNC_LOOP_RESET:
5642 if (msg == NULL) {
5643 msg = "LOOP Reset";
5644 }
5645 /* FALLTHROUGH */
5646 case ISPASYNC_LOOP_DOWN:
5647 {
5648 if (msg == NULL) {
5649 msg = "LOOP Down";
5650 }
5651 va_start(ap, cmd);
5652 bus = va_arg(ap, int);
5653 va_end(ap);
5654
5655 FCPARAM(isp, bus)->link_active = 0;
5656
5657 fc = ISP_FC_PC(isp, bus);
5658 if (cmd == ISPASYNC_LOOP_DOWN && fc->ready) {
5659 /*
5660 * We don't do any simq freezing if we are only in target mode
5661 */
5662 if (FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) {
5663 if (fc->path) {
5664 isp_freeze_loopdown(isp, bus, msg);
5665 }
5666 if (!callout_active(&fc->ldt)) {
5667 callout_reset(&fc->ldt, fc->loop_down_limit * hz, isp_ldt, fc);
5668 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Starting Loop Down Timer @ %lu", (unsigned long) time_uptime);
5669 }
5670 }
5671 }
5672 isp_prt(isp, ISP_LOGINFO, "Chan %d: %s", bus, msg);
5673 break;
5674 }
5675 case ISPASYNC_LOOP_UP:
5676 va_start(ap, cmd);
5677 bus = va_arg(ap, int);
5678 va_end(ap);
5679 fc = ISP_FC_PC(isp, bus);
5680 /*
5681 * Now we just note that Loop has come up. We don't
5682 * actually do anything because we're waiting for a
5683 * Change Notify before activating the FC cleanup
5684 * thread to look at the state of the loop again.
5685 */
5686 FCPARAM(isp, bus)->link_active = 1;
5687 fc->loop_dead = 0;
5688 fc->loop_down_time = 0;
5689 isp_prt(isp, ISP_LOGINFO, "Chan %d Loop UP", bus);
5690 break;
5691 case ISPASYNC_DEV_ARRIVED:
5692 va_start(ap, cmd);
5693 bus = va_arg(ap, int);
5694 lp = va_arg(ap, fcportdb_t *);
5695 va_end(ap);
5696 fc = ISP_FC_PC(isp, bus);
5697 lp->announced = 0;
5698 lp->gone_timer = 0;
5699 if ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && (lp->prli_word3 & PRLI_WD3_TARGET_FUNCTION)) {
5700 int dbidx = lp - FCPARAM(isp, bus)->portdb;
5701 int i;
5702
5703 for (i = 0; i < MAX_FC_TARG; i++) {
5704 if (i >= FL_ID && i <= SNS_ID) {
5705 continue;
5706 }
5707 if (FCPARAM(isp, bus)->isp_dev_map[i] == 0) {
5708 break;
5709 }
5710 }
5711 if (i < MAX_FC_TARG) {
5712 FCPARAM(isp, bus)->isp_dev_map[i] = dbidx + 1;
5713 lp->dev_map_idx = i + 1;
5714 } else {
5715 isp_prt(isp, ISP_LOGWARN, "out of target ids");
5716 isp_dump_portdb(isp, bus);
5717 }
5718 }
5719 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
5720 if (lp->dev_map_idx) {
5721 tgt = lp->dev_map_idx - 1;
5722 isp_prt(isp, ISP_LOGCONFIG, prom2, bus, lp->portid, lp->handle, buf, "arrived at", tgt, (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5723 isp_make_here(isp, bus, tgt);
5724 } else {
5725 isp_prt(isp, ISP_LOGCONFIG, prom0, bus, lp->portid, lp->handle, buf, "arrived", (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5726 }
5727 break;
5728 case ISPASYNC_DEV_CHANGED:
5729 va_start(ap, cmd);
5730 bus = va_arg(ap, int);
5731 lp = va_arg(ap, fcportdb_t *);
5732 va_end(ap);
5733 fc = ISP_FC_PC(isp, bus);
5734 lp->announced = 0;
5735 lp->gone_timer = 0;
5736 if (isp_change_is_bad) {
5737 lp->state = FC_PORTDB_STATE_NIL;
5738 if (lp->dev_map_idx) {
5739 tgt = lp->dev_map_idx - 1;
5740 FCPARAM(isp, bus)->isp_dev_map[tgt] = 0;
5741 lp->dev_map_idx = 0;
5742 isp_prt(isp, ISP_LOGCONFIG, prom3, bus, lp->portid, tgt, "change is bad");
5743 isp_make_gone(isp, bus, tgt);
5744 } else {
5745 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
5746 isp_prt(isp, ISP_LOGCONFIG, prom0, bus, lp->portid, lp->handle, buf, "changed and departed",
5747 (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5748 }
5749 } else {
5750 lp->portid = lp->new_portid;
5751 lp->prli_word3 = lp->new_prli_word3;
5752 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
5753 if (lp->dev_map_idx) {
5754 int t = lp->dev_map_idx - 1;
5755 FCPARAM(isp, bus)->isp_dev_map[t] = (lp - FCPARAM(isp, bus)->portdb) + 1;
5756 tgt = lp->dev_map_idx - 1;
5757 isp_prt(isp, ISP_LOGCONFIG, prom2, bus, lp->portid, lp->handle, buf, "changed at", tgt,
5758 (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5759 } else {
5760 isp_prt(isp, ISP_LOGCONFIG, prom0, bus, lp->portid, lp->handle, buf, "changed", (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5761 }
5762 }
5763 break;
5764 case ISPASYNC_DEV_STAYED:
5765 va_start(ap, cmd);
5766 bus = va_arg(ap, int);
5767 lp = va_arg(ap, fcportdb_t *);
5768 va_end(ap);
5769 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
5770 if (lp->dev_map_idx) {
5771 tgt = lp->dev_map_idx - 1;
5772 isp_prt(isp, ISP_LOGCONFIG, prom2, bus, lp->portid, lp->handle, buf, "stayed at", tgt,
5773 (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5774 } else {
5775 isp_prt(isp, ISP_LOGCONFIG, prom0, bus, lp->portid, lp->handle, buf, "stayed",
5776 (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5777 }
5778 break;
5779 case ISPASYNC_DEV_GONE:
5780 va_start(ap, cmd);
5781 bus = va_arg(ap, int);
5782 lp = va_arg(ap, fcportdb_t *);
5783 va_end(ap);
5784 fc = ISP_FC_PC(isp, bus);
5785 /*
5786 * If this has a virtual target and we haven't marked it
5787 * that we're going to have isp_gdt tell the OS it's gone,
5788 * set the isp_gdt timer running on it.
5789 *
5790 * If it isn't marked that isp_gdt is going to get rid of it,
5791 * announce that it's gone.
5792 *
5793 */
5794 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
5795 if (lp->dev_map_idx && lp->announced == 0) {
5796 lp->announced = 1;
5797 lp->state = FC_PORTDB_STATE_ZOMBIE;
5798 lp->gone_timer = ISP_FC_PC(isp, bus)->gone_device_time;
5799 if (fc->ready && !callout_active(&fc->gdt)) {
5800 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Starting Gone Device Timer with %u seconds time now %lu", bus, lp->gone_timer, (unsigned long)time_uptime);
5801 callout_reset(&fc->gdt, hz, isp_gdt, fc);
5802 }
5803 tgt = lp->dev_map_idx - 1;
5804 isp_prt(isp, ISP_LOGCONFIG, prom2, bus, lp->portid, lp->handle, buf, "gone zombie at", tgt, (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5805 } else if (lp->announced == 0) {
5806 isp_prt(isp, ISP_LOGCONFIG, prom0, bus, lp->portid, lp->handle, buf, "departed", (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5807 }
5808 break;
5809 case ISPASYNC_CHANGE_NOTIFY:
5810 {
5811 char *msg;
5812 int evt, nphdl, nlstate, reason;
5813
5814 va_start(ap, cmd);
5815 bus = va_arg(ap, int);
5816 evt = va_arg(ap, int);
5817 if (IS_24XX(isp) && evt == ISPASYNC_CHANGE_PDB) {
5818 nphdl = va_arg(ap, int);
5819 nlstate = va_arg(ap, int);
5820 reason = va_arg(ap, int);
5821 } else {
5822 nphdl = NIL_HANDLE;
5823 nlstate = reason = 0;
5824 }
5825 va_end(ap);
5826 fc = ISP_FC_PC(isp, bus);
5827
5828 if (evt == ISPASYNC_CHANGE_PDB) {
5829 msg = "Chan %d Port Database Changed";
5830 } else if (evt == ISPASYNC_CHANGE_SNS) {
5831 msg = "Chan %d Name Server Database Changed";
5832 } else {
5833 msg = "Chan %d Other Change Notify";
5834 }
5835
5836 /*
5837 * If the loop down timer is running, cancel it.
5838 */
5839 if (fc->ready && callout_active(&fc->ldt)) {
5840 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Stopping Loop Down Timer @ %lu", (unsigned long) time_uptime);
5841 callout_stop(&fc->ldt);
5842 }
5843 isp_prt(isp, ISP_LOGINFO, msg, bus);
5844 if (FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) {
5845 isp_freeze_loopdown(isp, bus, msg);
5846 }
5847 wakeup(fc);
5848 break;
5849 }
5850 #ifdef ISP_TARGET_MODE
5851 case ISPASYNC_TARGET_NOTIFY:
5852 {
5853 isp_notify_t *notify;
5854 va_start(ap, cmd);
5855 notify = va_arg(ap, isp_notify_t *);
5856 va_end(ap);
5857 switch (notify->nt_ncode) {
5858 case NT_ABORT_TASK:
5859 case NT_ABORT_TASK_SET:
5860 case NT_CLEAR_ACA:
5861 case NT_CLEAR_TASK_SET:
5862 case NT_LUN_RESET:
5863 case NT_TARGET_RESET:
5864 /*
5865 * These are task management functions.
5866 */
5867 isp_handle_platform_target_tmf(isp, notify);
5868 break;
5869 case NT_BUS_RESET:
5870 case NT_LIP_RESET:
5871 case NT_LINK_UP:
5872 case NT_LINK_DOWN:
5873 /*
5874 * No action need be taken here.
5875 */
5876 break;
5877 case NT_HBA_RESET:
5878 isp_del_all_wwn_entries(isp, ISP_NOCHAN);
5879 break;
5880 case NT_GLOBAL_LOGOUT:
5881 case NT_LOGOUT:
5882 /*
5883 * This is device arrival/departure notification
5884 */
5885 isp_handle_platform_target_notify_ack(isp, notify);
5886 break;
5887 case NT_ARRIVED:
5888 {
5889 struct ac_contract ac;
5890 struct ac_device_changed *fc;
5891
5892 ac.contract_number = AC_CONTRACT_DEV_CHG;
5893 fc = (struct ac_device_changed *) ac.contract_data;
5894 fc->wwpn = notify->nt_wwn;
5895 fc->port = notify->nt_sid;
5896 fc->target = notify->nt_nphdl;
5897 fc->arrived = 1;
5898 xpt_async(AC_CONTRACT, ISP_FC_PC(isp, notify->nt_channel)->path, &ac);
5899 break;
5900 }
5901 case NT_DEPARTED:
5902 {
5903 struct ac_contract ac;
5904 struct ac_device_changed *fc;
5905
5906 ac.contract_number = AC_CONTRACT_DEV_CHG;
5907 fc = (struct ac_device_changed *) ac.contract_data;
5908 fc->wwpn = notify->nt_wwn;
5909 fc->port = notify->nt_sid;
5910 fc->target = notify->nt_nphdl;
5911 fc->arrived = 0;
5912 xpt_async(AC_CONTRACT, ISP_FC_PC(isp, notify->nt_channel)->path, &ac);
5913 break;
5914 }
5915 default:
5916 isp_prt(isp, ISP_LOGALL, "target notify code 0x%x", notify->nt_ncode);
5917 isp_handle_platform_target_notify_ack(isp, notify);
5918 break;
5919 }
5920 break;
5921 }
5922 case ISPASYNC_TARGET_NOTIFY_ACK:
5923 {
5924 void *inot;
5925 va_start(ap, cmd);
5926 inot = va_arg(ap, void *);
5927 va_end(ap);
5928 if (isp_notify_ack(isp, inot)) {
5929 isp_tna_t *tp = malloc(sizeof (*tp), M_DEVBUF, M_NOWAIT);
5930 if (tp) {
5931 tp->isp = isp;
5932 if (inot) {
5933 memcpy(tp->data, inot, sizeof (tp->data));
5934 tp->not = tp->data;
5935 } else {
5936 tp->not = NULL;
5937 }
5938 (void) timeout(isp_refire_notify_ack, tp, 5);
5939 } else {
5940 isp_prt(isp, ISP_LOGERR, "you lose- cannot allocate a notify refire");
5941 }
5942 }
5943 break;
5944 }
5945 case ISPASYNC_TARGET_ACTION:
5946 {
5947 isphdr_t *hp;
5948
5949 va_start(ap, cmd);
5950 hp = va_arg(ap, isphdr_t *);
5951 va_end(ap);
5952 switch (hp->rqs_entry_type) {
5953 default:
5954 isp_prt(isp, ISP_LOGWARN, "%s: unhandled target action 0x%x", __func__, hp->rqs_entry_type);
5955 break;
5956 case RQSTYPE_NOTIFY:
5957 if (IS_SCSI(isp)) {
5958 isp_handle_platform_notify_scsi(isp, (in_entry_t *) hp);
5959 } else if (IS_24XX(isp)) {
5960 isp_handle_platform_notify_24xx(isp, (in_fcentry_24xx_t *) hp);
5961 } else {
5962 isp_handle_platform_notify_fc(isp, (in_fcentry_t *) hp);
5963 }
5964 break;
5965 case RQSTYPE_ATIO:
5966 if (IS_24XX(isp)) {
5967 isp_handle_platform_atio7(isp, (at7_entry_t *) hp);
5968 } else {
5969 isp_handle_platform_atio(isp, (at_entry_t *) hp);
5970 }
5971 break;
5972 case RQSTYPE_ATIO2:
5973 isp_handle_platform_atio2(isp, (at2_entry_t *) hp);
5974 break;
5975 case RQSTYPE_CTIO7:
5976 case RQSTYPE_CTIO3:
5977 case RQSTYPE_CTIO2:
5978 case RQSTYPE_CTIO:
5979 isp_handle_platform_ctio(isp, hp);
5980 break;
5981 case RQSTYPE_ABTS_RCVD:
5982 {
5983 abts_t *abts = (abts_t *)hp;
5984 isp_notify_t notify, *nt = ¬ify;
5985 tstate_t *tptr;
5986 fcportdb_t *lp;
5987 uint16_t chan;
5988 uint32_t sid, did;
5989
5990 did = (abts->abts_did_hi << 16) | abts->abts_did_lo;
5991 sid = (abts->abts_sid_hi << 16) | abts->abts_sid_lo;
5992 ISP_MEMZERO(nt, sizeof (isp_notify_t));
5993
5994 nt->nt_hba = isp;
5995 nt->nt_did = did;
5996 nt->nt_nphdl = abts->abts_nphdl;
5997 nt->nt_sid = sid;
5998 isp_find_chan_by_did(isp, did, &chan);
5999 if (chan == ISP_NOCHAN) {
6000 nt->nt_tgt = TGT_ANY;
6001 } else {
6002 nt->nt_tgt = FCPARAM(isp, chan)->isp_wwpn;
6003 if (isp_find_pdb_by_loopid(isp, chan, abts->abts_nphdl, &lp)) {
6004 nt->nt_wwn = lp->port_wwn;
6005 } else {
6006 nt->nt_wwn = INI_ANY;
6007 }
6008 }
6009 /*
6010 * Try hard to find the lun for this command.
6011 */
6012 tptr = get_lun_statep_from_tag(isp, chan, abts->abts_rxid_task);
6013 if (tptr) {
6014 nt->nt_lun = xpt_path_lun_id(tptr->owner);
6015 rls_lun_statep(isp, tptr);
6016 } else {
6017 nt->nt_lun = LUN_ANY;
6018 }
6019 nt->nt_need_ack = 1;
6020 nt->nt_tagval = abts->abts_rxid_task;
6021 nt->nt_tagval |= (((uint64_t) abts->abts_rxid_abts) << 32);
6022 if (abts->abts_rxid_task == ISP24XX_NO_TASK) {
6023 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)",
6024 abts->abts_rxid_abts, abts->abts_nphdl, sid, abts->abts_rx_id, abts->abts_ox_id);
6025 } else {
6026 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)",
6027 abts->abts_rxid_abts, abts->abts_nphdl, sid, abts->abts_rxid_task, abts->abts_rx_id, abts->abts_ox_id);
6028 }
6029 nt->nt_channel = chan;
6030 nt->nt_ncode = NT_ABORT_TASK;
6031 nt->nt_lreserved = hp;
6032 isp_handle_platform_target_tmf(isp, nt);
6033 break;
6034 }
6035 case RQSTYPE_ENABLE_LUN:
6036 case RQSTYPE_MODIFY_LUN:
6037 isp_ledone(isp, (lun_entry_t *) hp);
6038 break;
6039 }
6040 break;
6041 }
6042 #endif
6043 case ISPASYNC_FW_CRASH:
6044 {
6045 uint16_t mbox1, mbox6;
6046 mbox1 = ISP_READ(isp, OUTMAILBOX1);
6047 if (IS_DUALBUS(isp)) {
6048 mbox6 = ISP_READ(isp, OUTMAILBOX6);
6049 } else {
6050 mbox6 = 0;
6051 }
6052 isp_prt(isp, ISP_LOGERR, "Internal Firmware Error on bus %d @ RISC Address 0x%x", mbox6, mbox1);
6053 mbox1 = isp->isp_osinfo.mbox_sleep_ok;
6054 isp->isp_osinfo.mbox_sleep_ok = 0;
6055 isp_reinit(isp, 1);
6056 isp->isp_osinfo.mbox_sleep_ok = mbox1;
6057 isp_async(isp, ISPASYNC_FW_RESTARTED, NULL);
6058 break;
6059 }
6060 default:
6061 isp_prt(isp, ISP_LOGERR, "unknown isp_async event %d", cmd);
6062 break;
6063 }
6064 }
6065
6066
6067 /*
6068 * Locks are held before coming here.
6069 */
6070 void
isp_uninit(ispsoftc_t * isp)6071 isp_uninit(ispsoftc_t *isp)
6072 {
6073 if (IS_24XX(isp)) {
6074 ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_RESET);
6075 } else {
6076 ISP_WRITE(isp, HCCR, HCCR_CMD_RESET);
6077 }
6078 ISP_DISABLE_INTS(isp);
6079 }
6080
6081 /*
6082 * When we want to get the 'default' WWNs (when lacking NVRAM), we pick them
6083 * up from our platform default (defww{p|n}n) and morph them based upon
6084 * channel.
6085 *
6086 * When we want to get the 'active' WWNs, we get NVRAM WWNs and then morph them
6087 * based upon channel.
6088 */
6089
6090 uint64_t
isp_default_wwn(ispsoftc_t * isp,int chan,int isactive,int iswwnn)6091 isp_default_wwn(ispsoftc_t * isp, int chan, int isactive, int iswwnn)
6092 {
6093 uint64_t seed;
6094 struct isp_fc *fc = ISP_FC_PC(isp, chan);
6095
6096 /*
6097 * If we're asking for a active WWN, the default overrides get
6098 * returned, otherwise the NVRAM value is picked.
6099 *
6100 * If we're asking for a default WWN, we just pick the default override.
6101 */
6102 if (isactive) {
6103 seed = iswwnn ? fc->def_wwnn : fc->def_wwpn;
6104 if (seed) {
6105 return (seed);
6106 }
6107 seed = iswwnn ? FCPARAM(isp, chan)->isp_wwnn_nvram : FCPARAM(isp, chan)->isp_wwpn_nvram;
6108 if (seed) {
6109 return (seed);
6110 }
6111 return (0x400000007F000009ull);
6112 } else {
6113 seed = iswwnn ? fc->def_wwnn : fc->def_wwpn;
6114 }
6115
6116
6117 /*
6118 * For channel zero just return what we have. For either ACTIVE or
6119 * DEFAULT cases, we depend on default override of NVRAM values for
6120 * channel zero.
6121 */
6122 if (chan == 0) {
6123 return (seed);
6124 }
6125
6126 /*
6127 * For other channels, we are doing one of three things:
6128 *
6129 * 1. If what we have now is non-zero, return it. Otherwise we morph
6130 * values from channel 0. 2. If we're here for a WWPN we synthesize
6131 * it if Channel 0's wwpn has a type 2 NAA. 3. If we're here for a
6132 * WWNN we synthesize it if Channel 0's wwnn has a type 2 NAA.
6133 */
6134
6135 if (seed) {
6136 return (seed);
6137 }
6138 if (isactive) {
6139 seed = iswwnn ? FCPARAM(isp, 0)->isp_wwnn_nvram : FCPARAM(isp, 0)->isp_wwpn_nvram;
6140 } else {
6141 seed = iswwnn ? ISP_FC_PC(isp, 0)->def_wwnn : ISP_FC_PC(isp, 0)->def_wwpn;
6142 }
6143
6144 if (((seed >> 60) & 0xf) == 2) {
6145 /*
6146 * The type 2 NAA fields for QLogic cards appear be laid out
6147 * thusly:
6148 *
6149 * bits 63..60 NAA == 2 bits 59..57 unused/zero bit 56
6150 * port (1) or node (0) WWN distinguishor bit 48
6151 * physical port on dual-port chips (23XX/24XX)
6152 *
6153 * This is somewhat nutty, particularly since bit 48 is
6154 * irrelevant as they assign separate serial numbers to
6155 * different physical ports anyway.
6156 *
6157 * We'll stick our channel number plus one first into bits
6158 * 57..59 and thence into bits 52..55 which allows for 8 bits
6159 * of channel which is comfortably more than our maximum
6160 * (126) now.
6161 */
6162 seed &= ~0x0FF0000000000000ULL;
6163 if (iswwnn == 0) {
6164 seed |= ((uint64_t) (chan + 1) & 0xf) << 56;
6165 seed |= ((uint64_t) ((chan + 1) >> 4) & 0xf) << 52;
6166 }
6167 } else {
6168 seed = 0;
6169 }
6170 return (seed);
6171 }
6172
6173 void
isp_prt(ispsoftc_t * isp,int level,const char * fmt,...)6174 isp_prt(ispsoftc_t *isp, int level, const char *fmt, ...)
6175 {
6176 int loc;
6177 char lbuf[200];
6178 va_list ap;
6179
6180 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) {
6181 return;
6182 }
6183 snprintf(lbuf, sizeof (lbuf), "%s: ", device_get_nameunit(isp->isp_dev));
6184 loc = strlen(lbuf);
6185 va_start(ap, fmt);
6186 vsnprintf(&lbuf[loc], sizeof (lbuf) - loc - 1, fmt, ap);
6187 va_end(ap);
6188 printf("%s\n", lbuf);
6189 }
6190
6191 void
isp_xs_prt(ispsoftc_t * isp,XS_T * xs,int level,const char * fmt,...)6192 isp_xs_prt(ispsoftc_t *isp, XS_T *xs, int level, const char *fmt, ...)
6193 {
6194 va_list ap;
6195 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) {
6196 return;
6197 }
6198 xpt_print_path(xs->ccb_h.path);
6199 va_start(ap, fmt);
6200 vprintf(fmt, ap);
6201 va_end(ap);
6202 printf("\n");
6203 }
6204
6205 uint64_t
isp_nanotime_sub(struct timespec * b,struct timespec * a)6206 isp_nanotime_sub(struct timespec *b, struct timespec *a)
6207 {
6208 uint64_t elapsed;
6209 struct timespec x = *b;
6210 timespecsub(&x, a);
6211 elapsed = GET_NANOSEC(&x);
6212 if (elapsed == 0)
6213 elapsed++;
6214 return (elapsed);
6215 }
6216
6217 int
isp_mbox_acquire(ispsoftc_t * isp)6218 isp_mbox_acquire(ispsoftc_t *isp)
6219 {
6220 if (isp->isp_osinfo.mboxbsy) {
6221 return (1);
6222 } else {
6223 isp->isp_osinfo.mboxcmd_done = 0;
6224 isp->isp_osinfo.mboxbsy = 1;
6225 return (0);
6226 }
6227 }
6228
6229 void
isp_mbox_wait_complete(ispsoftc_t * isp,mbreg_t * mbp)6230 isp_mbox_wait_complete(ispsoftc_t *isp, mbreg_t *mbp)
6231 {
6232 unsigned int usecs = mbp->timeout;
6233 unsigned int max, olim, ilim;
6234
6235 if (usecs == 0) {
6236 usecs = MBCMD_DEFAULT_TIMEOUT;
6237 }
6238 max = isp->isp_mbxwrk0 + 1;
6239
6240 if (isp->isp_osinfo.mbox_sleep_ok) {
6241 unsigned int ms = (usecs + 999) / 1000;
6242
6243 isp->isp_osinfo.mbox_sleep_ok = 0;
6244 isp->isp_osinfo.mbox_sleeping = 1;
6245 for (olim = 0; olim < max; olim++) {
6246 msleep(&isp->isp_mbxworkp, &isp->isp_osinfo.lock, PRIBIO, "ispmbx_sleep", isp_mstohz(ms));
6247 if (isp->isp_osinfo.mboxcmd_done) {
6248 break;
6249 }
6250 }
6251 isp->isp_osinfo.mbox_sleep_ok = 1;
6252 isp->isp_osinfo.mbox_sleeping = 0;
6253 } else {
6254 for (olim = 0; olim < max; olim++) {
6255 for (ilim = 0; ilim < usecs; ilim += 100) {
6256 uint32_t isr;
6257 uint16_t sema, mbox;
6258 if (isp->isp_osinfo.mboxcmd_done) {
6259 break;
6260 }
6261 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) {
6262 isp_intr(isp, isr, sema, mbox);
6263 if (isp->isp_osinfo.mboxcmd_done) {
6264 break;
6265 }
6266 }
6267 ISP_DELAY(100);
6268 }
6269 if (isp->isp_osinfo.mboxcmd_done) {
6270 break;
6271 }
6272 }
6273 }
6274 if (isp->isp_osinfo.mboxcmd_done == 0) {
6275 isp_prt(isp, ISP_LOGWARN, "%s Mailbox Command (0x%x) Timeout (%uus) (started @ %s:%d)",
6276 isp->isp_osinfo.mbox_sleep_ok? "Interrupting" : "Polled", isp->isp_lastmbxcmd, usecs, mbp->func, mbp->lineno);
6277 mbp->param[0] = MBOX_TIMEOUT;
6278 isp->isp_osinfo.mboxcmd_done = 1;
6279 }
6280 }
6281
6282 void
isp_mbox_notify_done(ispsoftc_t * isp)6283 isp_mbox_notify_done(ispsoftc_t *isp)
6284 {
6285 if (isp->isp_osinfo.mbox_sleeping) {
6286 wakeup(&isp->isp_mbxworkp);
6287 }
6288 isp->isp_osinfo.mboxcmd_done = 1;
6289 }
6290
6291 void
isp_mbox_release(ispsoftc_t * isp)6292 isp_mbox_release(ispsoftc_t *isp)
6293 {
6294 isp->isp_osinfo.mboxbsy = 0;
6295 }
6296
6297 int
isp_fc_scratch_acquire(ispsoftc_t * isp,int chan)6298 isp_fc_scratch_acquire(ispsoftc_t *isp, int chan)
6299 {
6300 int ret = 0;
6301 if (isp->isp_osinfo.pc.fc[chan].fcbsy) {
6302 ret = -1;
6303 } else {
6304 isp->isp_osinfo.pc.fc[chan].fcbsy = 1;
6305 }
6306 return (ret);
6307 }
6308
6309 int
isp_mstohz(int ms)6310 isp_mstohz(int ms)
6311 {
6312 int hz;
6313 struct timeval t;
6314 t.tv_sec = ms / 1000;
6315 t.tv_usec = (ms % 1000) * 1000;
6316 hz = tvtohz(&t);
6317 if (hz < 0) {
6318 hz = 0x7fffffff;
6319 }
6320 if (hz == 0) {
6321 hz = 1;
6322 }
6323 return (hz);
6324 }
6325
6326 void
isp_platform_intr(void * arg)6327 isp_platform_intr(void *arg)
6328 {
6329 ispsoftc_t *isp = arg;
6330 uint32_t isr;
6331 uint16_t sema, mbox;
6332
6333 ISP_LOCK(isp);
6334 isp->isp_intcnt++;
6335 if (ISP_READ_ISR(isp, &isr, &sema, &mbox) == 0) {
6336 isp->isp_intbogus++;
6337 } else {
6338 isp_intr(isp, isr, sema, mbox);
6339 }
6340 ISP_UNLOCK(isp);
6341 }
6342
6343 void
isp_common_dmateardown(ispsoftc_t * isp,struct ccb_scsiio * csio,uint32_t hdl)6344 isp_common_dmateardown(ispsoftc_t *isp, struct ccb_scsiio *csio, uint32_t hdl)
6345 {
6346 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
6347 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTREAD);
6348 } else {
6349 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTWRITE);
6350 }
6351 bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap);
6352 }
6353
6354 int
isp_fcp_next_crn(ispsoftc_t * isp,uint8_t * crnp,XS_T * cmd)6355 isp_fcp_next_crn(ispsoftc_t *isp, uint8_t *crnp, XS_T *cmd)
6356 {
6357 uint32_t chan, tgt, lun;
6358 struct isp_fc *fc;
6359 struct isp_nexus *nxp;
6360 int idx;
6361
6362 if (isp->isp_type < ISP_HA_FC_2300)
6363 return (0);
6364
6365 chan = XS_CHANNEL(cmd);
6366 tgt = XS_TGT(cmd);
6367 lun = XS_LUN(cmd);
6368 fc = &isp->isp_osinfo.pc.fc[chan];
6369 idx = NEXUS_HASH(tgt, lun);
6370 nxp = fc->nexus_hash[idx];
6371
6372 while (nxp) {
6373 if (nxp->tgt == tgt && nxp->lun == lun)
6374 break;
6375 nxp = nxp->next;
6376 }
6377 if (nxp == NULL) {
6378 nxp = fc->nexus_free_list;
6379 if (nxp == NULL) {
6380 nxp = malloc(sizeof (struct isp_nexus), M_DEVBUF, M_ZERO|M_NOWAIT);
6381 if (nxp == NULL) {
6382 return (-1);
6383 }
6384 } else {
6385 fc->nexus_free_list = nxp->next;
6386 }
6387 nxp->tgt = tgt;
6388 nxp->lun = lun;
6389 nxp->next = fc->nexus_hash[idx];
6390 fc->nexus_hash[idx] = nxp;
6391 }
6392 if (nxp) {
6393 if (nxp->crnseed == 0)
6394 nxp->crnseed = 1;
6395 if (cmd)
6396 PISP_PCMD(cmd)->crn = nxp->crnseed;
6397 *crnp = nxp->crnseed++;
6398 return (0);
6399 }
6400 return (-1);
6401 }
6402
6403 /*
6404 * We enter with the lock held
6405 */
6406 void
isp_timer(void * arg)6407 isp_timer(void *arg)
6408 {
6409 ispsoftc_t *isp = arg;
6410 #ifdef ISP_TARGET_MODE
6411 isp_tmcmd_restart(isp);
6412 #endif
6413 callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp);
6414 }
6415
6416 isp_ecmd_t *
isp_get_ecmd(ispsoftc_t * isp)6417 isp_get_ecmd(ispsoftc_t *isp)
6418 {
6419 isp_ecmd_t *ecmd = isp->isp_osinfo.ecmd_free;
6420 if (ecmd) {
6421 isp->isp_osinfo.ecmd_free = ecmd->next;
6422 }
6423 return (ecmd);
6424 }
6425
6426 void
isp_put_ecmd(ispsoftc_t * isp,isp_ecmd_t * ecmd)6427 isp_put_ecmd(ispsoftc_t *isp, isp_ecmd_t *ecmd)
6428 {
6429 ecmd->next = isp->isp_osinfo.ecmd_free;
6430 isp->isp_osinfo.ecmd_free = ecmd;
6431 }
6432