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("$FreeBSD$");
32
33 #include <dev/isp/isp_freebsd.h>
34 #include <sys/unistd.h>
35 #include <sys/kthread.h>
36 #include <sys/conf.h>
37 #include <sys/module.h>
38 #include <sys/ioccom.h>
39 #include <dev/isp/isp_ioctl.h>
40 #include <sys/devicestat.h>
41 #include <cam/cam_periph.h>
42 #include <cam/cam_xpt_periph.h>
43
44 #if __FreeBSD_version < 800002
45 #define THREAD_CREATE kthread_create
46 #else
47 #define THREAD_CREATE kproc_create
48 #endif
49
50 MODULE_VERSION(isp, 1);
51 MODULE_DEPEND(isp, cam, 1, 1, 1);
52 int isp_announced = 0;
53 int isp_fabric_hysteresis = 5;
54 int isp_loop_down_limit = 60; /* default loop down limit */
55 int isp_change_is_bad = 0; /* "changed" devices are bad */
56 int isp_quickboot_time = 7; /* don't wait more than N secs for loop up */
57 int isp_gone_device_time = 30; /* grace time before reporting device lost */
58 int isp_autoconfig = 1; /* automatically attach/detach devices */
59 static const char prom3[] = "Chan %d PortID 0x%06x Departed from Target %u because of %s";
60
61 static void isp_freeze_loopdown(ispsoftc_t *, int, char *);
62 static d_ioctl_t ispioctl;
63 static void isp_intr_enable(void *);
64 static void isp_cam_async(void *, uint32_t, struct cam_path *, void *);
65 static void isp_poll(struct cam_sim *);
66 static timeout_t isp_watchdog;
67 static timeout_t isp_gdt;
68 static task_fn_t isp_gdt_task;
69 static timeout_t isp_ldt;
70 static task_fn_t isp_ldt_task;
71 static void isp_kthread(void *);
72 static void isp_action(struct cam_sim *, union ccb *);
73 #ifdef ISP_INTERNAL_TARGET
74 static void isp_target_thread_pi(void *);
75 static void isp_target_thread_fc(void *);
76 #endif
77 static int isp_timer_count;
78 static void isp_timer(void *);
79
80 static struct cdevsw isp_cdevsw = {
81 .d_version = D_VERSION,
82 .d_ioctl = ispioctl,
83 .d_name = "isp",
84 };
85
86 static int
isp_attach_chan(ispsoftc_t * isp,struct cam_devq * devq,int chan)87 isp_attach_chan(ispsoftc_t *isp, struct cam_devq *devq, int chan)
88 {
89 struct ccb_setasync csa;
90 struct cam_sim *sim;
91 struct cam_path *path;
92
93 /*
94 * Construct our SIM entry.
95 */
96 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);
97
98 if (sim == NULL) {
99 return (ENOMEM);
100 }
101
102 ISP_LOCK(isp);
103 if (xpt_bus_register(sim, isp->isp_dev, chan) != CAM_SUCCESS) {
104 ISP_UNLOCK(isp);
105 cam_sim_free(sim, FALSE);
106 return (EIO);
107 }
108 ISP_UNLOCK(isp);
109 if (xpt_create_path(&path, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
110 ISP_LOCK(isp);
111 xpt_bus_deregister(cam_sim_path(sim));
112 ISP_UNLOCK(isp);
113 cam_sim_free(sim, FALSE);
114 return (ENXIO);
115 }
116 xpt_setup_ccb(&csa.ccb_h, path, 5);
117 csa.ccb_h.func_code = XPT_SASYNC_CB;
118 csa.event_enable = AC_LOST_DEVICE;
119 csa.callback = isp_cam_async;
120 csa.callback_arg = sim;
121
122 ISP_LOCK(isp);
123 xpt_action((union ccb *)&csa);
124 ISP_UNLOCK(isp);
125
126 if (IS_SCSI(isp)) {
127 struct isp_spi *spi = ISP_SPI_PC(isp, chan);
128 spi->sim = sim;
129 spi->path = path;
130 #ifdef ISP_INTERNAL_TARGET
131 ISP_SET_PC(isp, chan, proc_active, 1);
132 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)) {
133 ISP_SET_PC(isp, chan, proc_active, 0);
134 isp_prt(isp, ISP_LOGERR, "cannot create test target thread");
135 }
136 #endif
137 } else {
138 fcparam *fcp = FCPARAM(isp, chan);
139 struct isp_fc *fc = ISP_FC_PC(isp, chan);
140
141 ISP_LOCK(isp);
142 fc->sim = sim;
143 fc->path = path;
144 fc->isp = isp;
145 fc->ready = 1;
146
147 callout_init_mtx(&fc->ldt, &isp->isp_osinfo.lock, 0);
148 callout_init_mtx(&fc->gdt, &isp->isp_osinfo.lock, 0);
149 TASK_INIT(&fc->ltask, 1, isp_ldt_task, fc);
150 TASK_INIT(&fc->gtask, 1, isp_gdt_task, fc);
151
152 /*
153 * We start by being "loop down" if we have an initiator role
154 */
155 if (fcp->role & ISP_ROLE_INITIATOR) {
156 isp_freeze_loopdown(isp, chan, "isp_attach");
157 callout_reset(&fc->ldt, isp_quickboot_time * hz, isp_ldt, fc);
158 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Starting Initial Loop Down Timer @ %lu", (unsigned long) time_uptime);
159 }
160 ISP_UNLOCK(isp);
161 if (THREAD_CREATE(isp_kthread, fc, &fc->kproc, 0, 0, "%s: fc_thrd%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) {
162 xpt_free_path(fc->path);
163 ISP_LOCK(isp);
164 if (callout_active(&fc->ldt))
165 callout_stop(&fc->ldt);
166 xpt_bus_deregister(cam_sim_path(fc->sim));
167 ISP_UNLOCK(isp);
168 cam_sim_free(fc->sim, FALSE);
169 return (ENOMEM);
170 }
171 #ifdef ISP_INTERNAL_TARGET
172 ISP_SET_PC(isp, chan, proc_active, 1);
173 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)) {
174 ISP_SET_PC(isp, chan, proc_active, 0);
175 isp_prt(isp, ISP_LOGERR, "cannot create test target thread");
176 }
177 #endif
178 if (chan == 0) {
179 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(isp->isp_osinfo.dev);
180 struct sysctl_oid *tree = device_get_sysctl_tree(isp->isp_osinfo.dev);
181 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "wwnn", CTLFLAG_RD, &FCPARAM(isp, 0)->isp_wwnn, "World Wide Node Name");
182 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "wwpn", CTLFLAG_RD, &FCPARAM(isp, 0)->isp_wwpn, "World Wide Port Name");
183 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");
184 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");
185 #if defined(ISP_TARGET_MODE) && defined(DEBUG)
186 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");
187 #endif
188 }
189 }
190 return (0);
191 }
192
193 int
isp_attach(ispsoftc_t * isp)194 isp_attach(ispsoftc_t *isp)
195 {
196 const char *nu = device_get_nameunit(isp->isp_osinfo.dev);
197 int du = device_get_unit(isp->isp_dev);
198 int chan;
199
200 isp->isp_osinfo.ehook.ich_func = isp_intr_enable;
201 isp->isp_osinfo.ehook.ich_arg = isp;
202 /*
203 * Haha. Set this first, because if we're loaded as a module isp_intr_enable
204 * will be called right awawy, which will clear isp_osinfo.ehook_active,
205 * which would be unwise to then set again later.
206 */
207 isp->isp_osinfo.ehook_active = 1;
208 if (config_intrhook_establish(&isp->isp_osinfo.ehook) != 0) {
209 isp_prt(isp, ISP_LOGERR, "could not establish interrupt enable hook");
210 return (-EIO);
211 }
212
213 /*
214 * Create the device queue for our SIM(s).
215 */
216 isp->isp_osinfo.devq = cam_simq_alloc(isp->isp_maxcmds);
217 if (isp->isp_osinfo.devq == NULL) {
218 config_intrhook_disestablish(&isp->isp_osinfo.ehook);
219 return (EIO);
220 }
221
222 for (chan = 0; chan < isp->isp_nchan; chan++) {
223 if (isp_attach_chan(isp, isp->isp_osinfo.devq, chan)) {
224 goto unwind;
225 }
226 }
227
228 callout_init_mtx(&isp->isp_osinfo.tmo, &isp->isp_osinfo.lock, 0);
229 isp_timer_count = hz >> 2;
230 callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp);
231 isp->isp_osinfo.timer_active = 1;
232
233 isp->isp_osinfo.cdev = make_dev(&isp_cdevsw, du, UID_ROOT, GID_OPERATOR, 0600, "%s", nu);
234 if (isp->isp_osinfo.cdev) {
235 isp->isp_osinfo.cdev->si_drv1 = isp;
236 }
237 return (0);
238
239 unwind:
240 while (--chan >= 0) {
241 struct cam_sim *sim;
242 struct cam_path *path;
243 if (IS_FC(isp)) {
244 sim = ISP_FC_PC(isp, chan)->sim;
245 path = ISP_FC_PC(isp, chan)->path;
246 } else {
247 sim = ISP_SPI_PC(isp, chan)->sim;
248 path = ISP_SPI_PC(isp, chan)->path;
249 }
250 xpt_free_path(path);
251 ISP_LOCK(isp);
252 xpt_bus_deregister(cam_sim_path(sim));
253 ISP_UNLOCK(isp);
254 cam_sim_free(sim, FALSE);
255 }
256 if (isp->isp_osinfo.ehook_active) {
257 config_intrhook_disestablish(&isp->isp_osinfo.ehook);
258 isp->isp_osinfo.ehook_active = 0;
259 }
260 if (isp->isp_osinfo.cdev) {
261 destroy_dev(isp->isp_osinfo.cdev);
262 isp->isp_osinfo.cdev = NULL;
263 }
264 cam_simq_free(isp->isp_osinfo.devq);
265 isp->isp_osinfo.devq = NULL;
266 return (-1);
267 }
268
269 int
isp_detach(ispsoftc_t * isp)270 isp_detach(ispsoftc_t *isp)
271 {
272 struct cam_sim *sim;
273 struct cam_path *path;
274 struct ccb_setasync csa;
275 int chan;
276
277 ISP_LOCK(isp);
278 for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1) {
279 if (IS_FC(isp)) {
280 sim = ISP_FC_PC(isp, chan)->sim;
281 path = ISP_FC_PC(isp, chan)->path;
282 } else {
283 sim = ISP_SPI_PC(isp, chan)->sim;
284 path = ISP_SPI_PC(isp, chan)->path;
285 }
286 if (sim->refcount > 2) {
287 ISP_UNLOCK(isp);
288 return (EBUSY);
289 }
290 }
291 if (isp->isp_osinfo.timer_active) {
292 callout_stop(&isp->isp_osinfo.tmo);
293 isp->isp_osinfo.timer_active = 0;
294 }
295 for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1) {
296 if (IS_FC(isp)) {
297 sim = ISP_FC_PC(isp, chan)->sim;
298 path = ISP_FC_PC(isp, chan)->path;
299 } else {
300 sim = ISP_SPI_PC(isp, chan)->sim;
301 path = ISP_SPI_PC(isp, chan)->path;
302 }
303 xpt_setup_ccb(&csa.ccb_h, path, 5);
304 csa.ccb_h.func_code = XPT_SASYNC_CB;
305 csa.event_enable = 0;
306 csa.callback = isp_cam_async;
307 csa.callback_arg = sim;
308 ISP_LOCK(isp);
309 xpt_action((union ccb *)&csa);
310 ISP_UNLOCK(isp);
311 xpt_free_path(path);
312 xpt_bus_deregister(cam_sim_path(sim));
313 cam_sim_free(sim, FALSE);
314 }
315 ISP_UNLOCK(isp);
316 if (isp->isp_osinfo.cdev) {
317 destroy_dev(isp->isp_osinfo.cdev);
318 isp->isp_osinfo.cdev = NULL;
319 }
320 if (isp->isp_osinfo.ehook_active) {
321 config_intrhook_disestablish(&isp->isp_osinfo.ehook);
322 isp->isp_osinfo.ehook_active = 0;
323 }
324 if (isp->isp_osinfo.devq != NULL) {
325 cam_simq_free(isp->isp_osinfo.devq);
326 isp->isp_osinfo.devq = NULL;
327 }
328 return (0);
329 }
330
331 static void
isp_freeze_loopdown(ispsoftc_t * isp,int chan,char * msg)332 isp_freeze_loopdown(ispsoftc_t *isp, int chan, char *msg)
333 {
334 if (IS_FC(isp)) {
335 struct isp_fc *fc = ISP_FC_PC(isp, chan);
336 if (fc->simqfrozen == 0) {
337 isp_prt(isp, ISP_LOGDEBUG0, "%s: freeze simq (loopdown) chan %d", msg, chan);
338 fc->simqfrozen = SIMQFRZ_LOOPDOWN;
339 xpt_freeze_simq(fc->sim, 1);
340 } else {
341 isp_prt(isp, ISP_LOGDEBUG0, "%s: mark frozen (loopdown) chan %d", msg, chan);
342 fc->simqfrozen |= SIMQFRZ_LOOPDOWN;
343 }
344 }
345 }
346
347 static void
isp_unfreeze_loopdown(ispsoftc_t * isp,int chan)348 isp_unfreeze_loopdown(ispsoftc_t *isp, int chan)
349 {
350 if (IS_FC(isp)) {
351 struct isp_fc *fc = ISP_FC_PC(isp, chan);
352 int wasfrozen = fc->simqfrozen & SIMQFRZ_LOOPDOWN;
353 fc->simqfrozen &= ~SIMQFRZ_LOOPDOWN;
354 if (wasfrozen && fc->simqfrozen == 0) {
355 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d releasing simq", __func__, chan);
356 xpt_release_simq(fc->sim, 1);
357 }
358 }
359 }
360
361
362 static int
ispioctl(struct cdev * dev,u_long c,caddr_t addr,int flags,struct thread * td)363 ispioctl(struct cdev *dev, u_long c, caddr_t addr, int flags, struct thread *td)
364 {
365 ispsoftc_t *isp;
366 int nr, chan, retval = ENOTTY;
367
368 isp = dev->si_drv1;
369
370 switch (c) {
371 case ISP_SDBLEV:
372 {
373 int olddblev = isp->isp_dblev;
374 isp->isp_dblev = *(int *)addr;
375 *(int *)addr = olddblev;
376 retval = 0;
377 break;
378 }
379 case ISP_GETROLE:
380 chan = *(int *)addr;
381 if (chan < 0 || chan >= isp->isp_nchan) {
382 retval = -ENXIO;
383 break;
384 }
385 if (IS_FC(isp)) {
386 *(int *)addr = FCPARAM(isp, chan)->role;
387 } else {
388 *(int *)addr = SDPARAM(isp, chan)->role;
389 }
390 retval = 0;
391 break;
392 case ISP_SETROLE:
393 nr = *(int *)addr;
394 chan = nr >> 8;
395 if (chan < 0 || chan >= isp->isp_nchan) {
396 retval = -ENXIO;
397 break;
398 }
399 nr &= 0xff;
400 if (nr & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) {
401 retval = EINVAL;
402 break;
403 }
404 if (IS_FC(isp)) {
405 /*
406 * We don't really support dual role at present on FC cards.
407 *
408 * We should, but a bunch of things are currently broken,
409 * so don't allow it.
410 */
411 if (nr == ISP_ROLE_BOTH) {
412 isp_prt(isp, ISP_LOGERR, "cannot support dual role at present");
413 retval = EINVAL;
414 break;
415 }
416 *(int *)addr = FCPARAM(isp, chan)->role;
417 #ifdef ISP_INTERNAL_TARGET
418 ISP_LOCK(isp);
419 retval = isp_fc_change_role(isp, chan, nr);
420 ISP_UNLOCK(isp);
421 #else
422 FCPARAM(isp, chan)->role = nr;
423 #endif
424 } else {
425 *(int *)addr = SDPARAM(isp, chan)->role;
426 SDPARAM(isp, chan)->role = nr;
427 }
428 retval = 0;
429 break;
430
431 case ISP_RESETHBA:
432 ISP_LOCK(isp);
433 #ifdef ISP_TARGET_MODE
434 isp_del_all_wwn_entries(isp, ISP_NOCHAN);
435 #endif
436 isp_reinit(isp, 0);
437 ISP_UNLOCK(isp);
438 retval = 0;
439 break;
440
441 case ISP_RESCAN:
442 if (IS_FC(isp)) {
443 chan = *(int *)addr;
444 if (chan < 0 || chan >= isp->isp_nchan) {
445 retval = -ENXIO;
446 break;
447 }
448 ISP_LOCK(isp);
449 if (isp_fc_runstate(isp, chan, 5 * 1000000)) {
450 retval = EIO;
451 } else {
452 retval = 0;
453 }
454 ISP_UNLOCK(isp);
455 }
456 break;
457
458 case ISP_FC_LIP:
459 if (IS_FC(isp)) {
460 chan = *(int *)addr;
461 if (chan < 0 || chan >= isp->isp_nchan) {
462 retval = -ENXIO;
463 break;
464 }
465 ISP_LOCK(isp);
466 if (isp_control(isp, ISPCTL_SEND_LIP, chan)) {
467 retval = EIO;
468 } else {
469 retval = 0;
470 }
471 ISP_UNLOCK(isp);
472 }
473 break;
474 case ISP_FC_GETDINFO:
475 {
476 struct isp_fc_device *ifc = (struct isp_fc_device *) addr;
477 fcportdb_t *lp;
478
479 if (IS_SCSI(isp)) {
480 break;
481 }
482 if (ifc->loopid >= MAX_FC_TARG) {
483 retval = EINVAL;
484 break;
485 }
486 lp = &FCPARAM(isp, ifc->chan)->portdb[ifc->loopid];
487 if (lp->state == FC_PORTDB_STATE_VALID || lp->target_mode) {
488 ifc->role = (lp->prli_word3 & SVC3_ROLE_MASK) >> SVC3_ROLE_SHIFT;
489 ifc->loopid = lp->handle;
490 ifc->portid = lp->portid;
491 ifc->node_wwn = lp->node_wwn;
492 ifc->port_wwn = lp->port_wwn;
493 retval = 0;
494 } else {
495 retval = ENODEV;
496 }
497 break;
498 }
499 case ISP_GET_STATS:
500 {
501 isp_stats_t *sp = (isp_stats_t *) addr;
502
503 ISP_MEMZERO(sp, sizeof (*sp));
504 sp->isp_stat_version = ISP_STATS_VERSION;
505 sp->isp_type = isp->isp_type;
506 sp->isp_revision = isp->isp_revision;
507 ISP_LOCK(isp);
508 sp->isp_stats[ISP_INTCNT] = isp->isp_intcnt;
509 sp->isp_stats[ISP_INTBOGUS] = isp->isp_intbogus;
510 sp->isp_stats[ISP_INTMBOXC] = isp->isp_intmboxc;
511 sp->isp_stats[ISP_INGOASYNC] = isp->isp_intoasync;
512 sp->isp_stats[ISP_RSLTCCMPLT] = isp->isp_rsltccmplt;
513 sp->isp_stats[ISP_FPHCCMCPLT] = isp->isp_fphccmplt;
514 sp->isp_stats[ISP_RSCCHIWAT] = isp->isp_rscchiwater;
515 sp->isp_stats[ISP_FPCCHIWAT] = isp->isp_fpcchiwater;
516 ISP_UNLOCK(isp);
517 retval = 0;
518 break;
519 }
520 case ISP_CLR_STATS:
521 ISP_LOCK(isp);
522 isp->isp_intcnt = 0;
523 isp->isp_intbogus = 0;
524 isp->isp_intmboxc = 0;
525 isp->isp_intoasync = 0;
526 isp->isp_rsltccmplt = 0;
527 isp->isp_fphccmplt = 0;
528 isp->isp_rscchiwater = 0;
529 isp->isp_fpcchiwater = 0;
530 ISP_UNLOCK(isp);
531 retval = 0;
532 break;
533 case ISP_FC_GETHINFO:
534 {
535 struct isp_hba_device *hba = (struct isp_hba_device *) addr;
536 int chan = hba->fc_channel;
537
538 if (chan < 0 || chan >= isp->isp_nchan) {
539 retval = ENXIO;
540 break;
541 }
542 hba->fc_fw_major = ISP_FW_MAJORX(isp->isp_fwrev);
543 hba->fc_fw_minor = ISP_FW_MINORX(isp->isp_fwrev);
544 hba->fc_fw_micro = ISP_FW_MICROX(isp->isp_fwrev);
545 hba->fc_nchannels = isp->isp_nchan;
546 if (IS_FC(isp)) {
547 hba->fc_nports = MAX_FC_TARG;
548 hba->fc_speed = FCPARAM(isp, hba->fc_channel)->isp_gbspeed;
549 hba->fc_topology = FCPARAM(isp, chan)->isp_topo + 1;
550 hba->fc_loopid = FCPARAM(isp, chan)->isp_loopid;
551 hba->nvram_node_wwn = FCPARAM(isp, chan)->isp_wwnn_nvram;
552 hba->nvram_port_wwn = FCPARAM(isp, chan)->isp_wwpn_nvram;
553 hba->active_node_wwn = FCPARAM(isp, chan)->isp_wwnn;
554 hba->active_port_wwn = FCPARAM(isp, chan)->isp_wwpn;
555 } else {
556 hba->fc_nports = MAX_TARGETS;
557 hba->fc_speed = 0;
558 hba->fc_topology = 0;
559 hba->nvram_node_wwn = 0ull;
560 hba->nvram_port_wwn = 0ull;
561 hba->active_node_wwn = 0ull;
562 hba->active_port_wwn = 0ull;
563 }
564 retval = 0;
565 break;
566 }
567 case ISP_TSK_MGMT:
568 {
569 int needmarker;
570 struct isp_fc_tsk_mgmt *fct = (struct isp_fc_tsk_mgmt *) addr;
571 uint16_t loopid;
572 mbreg_t mbs;
573
574 if (IS_SCSI(isp)) {
575 break;
576 }
577
578 chan = fct->chan;
579 if (chan < 0 || chan >= isp->isp_nchan) {
580 retval = -ENXIO;
581 break;
582 }
583
584 needmarker = retval = 0;
585 loopid = fct->loopid;
586 ISP_LOCK(isp);
587 if (IS_24XX(isp)) {
588 uint8_t local[QENTRY_LEN];
589 isp24xx_tmf_t *tmf;
590 isp24xx_statusreq_t *sp;
591 fcparam *fcp = FCPARAM(isp, chan);
592 fcportdb_t *lp;
593 int i;
594
595 for (i = 0; i < MAX_FC_TARG; i++) {
596 lp = &fcp->portdb[i];
597 if (lp->handle == loopid) {
598 break;
599 }
600 }
601 if (i == MAX_FC_TARG) {
602 retval = ENXIO;
603 ISP_UNLOCK(isp);
604 break;
605 }
606 /* XXX VALIDATE LP XXX */
607 tmf = (isp24xx_tmf_t *) local;
608 ISP_MEMZERO(tmf, QENTRY_LEN);
609 tmf->tmf_header.rqs_entry_type = RQSTYPE_TSK_MGMT;
610 tmf->tmf_header.rqs_entry_count = 1;
611 tmf->tmf_nphdl = lp->handle;
612 tmf->tmf_delay = 2;
613 tmf->tmf_timeout = 2;
614 tmf->tmf_tidlo = lp->portid;
615 tmf->tmf_tidhi = lp->portid >> 16;
616 tmf->tmf_vpidx = ISP_GET_VPIDX(isp, chan);
617 tmf->tmf_lun[1] = fct->lun & 0xff;
618 if (fct->lun >= 256) {
619 tmf->tmf_lun[0] = 0x40 | (fct->lun >> 8);
620 }
621 switch (fct->action) {
622 case IPT_CLEAR_ACA:
623 tmf->tmf_flags = ISP24XX_TMF_CLEAR_ACA;
624 break;
625 case IPT_TARGET_RESET:
626 tmf->tmf_flags = ISP24XX_TMF_TARGET_RESET;
627 needmarker = 1;
628 break;
629 case IPT_LUN_RESET:
630 tmf->tmf_flags = ISP24XX_TMF_LUN_RESET;
631 needmarker = 1;
632 break;
633 case IPT_CLEAR_TASK_SET:
634 tmf->tmf_flags = ISP24XX_TMF_CLEAR_TASK_SET;
635 needmarker = 1;
636 break;
637 case IPT_ABORT_TASK_SET:
638 tmf->tmf_flags = ISP24XX_TMF_ABORT_TASK_SET;
639 needmarker = 1;
640 break;
641 default:
642 retval = EINVAL;
643 break;
644 }
645 if (retval) {
646 ISP_UNLOCK(isp);
647 break;
648 }
649 MBSINIT(&mbs, MBOX_EXEC_COMMAND_IOCB_A64, MBLOGALL, 5000000);
650 mbs.param[1] = QENTRY_LEN;
651 mbs.param[2] = DMA_WD1(fcp->isp_scdma);
652 mbs.param[3] = DMA_WD0(fcp->isp_scdma);
653 mbs.param[6] = DMA_WD3(fcp->isp_scdma);
654 mbs.param[7] = DMA_WD2(fcp->isp_scdma);
655
656 if (FC_SCRATCH_ACQUIRE(isp, chan)) {
657 ISP_UNLOCK(isp);
658 retval = ENOMEM;
659 break;
660 }
661 isp_put_24xx_tmf(isp, tmf, fcp->isp_scratch);
662 MEMORYBARRIER(isp, SYNC_SFORDEV, 0, QENTRY_LEN, chan);
663 sp = (isp24xx_statusreq_t *) local;
664 sp->req_completion_status = 1;
665 retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs);
666 MEMORYBARRIER(isp, SYNC_SFORCPU, QENTRY_LEN, QENTRY_LEN, chan);
667 isp_get_24xx_response(isp, &((isp24xx_statusreq_t *)fcp->isp_scratch)[1], sp);
668 FC_SCRATCH_RELEASE(isp, chan);
669 if (retval || sp->req_completion_status != 0) {
670 FC_SCRATCH_RELEASE(isp, chan);
671 retval = EIO;
672 }
673 if (retval == 0) {
674 if (needmarker) {
675 fcp->sendmarker = 1;
676 }
677 }
678 } else {
679 MBSINIT(&mbs, 0, MBLOGALL, 0);
680 if (ISP_CAP_2KLOGIN(isp) == 0) {
681 loopid <<= 8;
682 }
683 switch (fct->action) {
684 case IPT_CLEAR_ACA:
685 mbs.param[0] = MBOX_CLEAR_ACA;
686 mbs.param[1] = loopid;
687 mbs.param[2] = fct->lun;
688 break;
689 case IPT_TARGET_RESET:
690 mbs.param[0] = MBOX_TARGET_RESET;
691 mbs.param[1] = loopid;
692 needmarker = 1;
693 break;
694 case IPT_LUN_RESET:
695 mbs.param[0] = MBOX_LUN_RESET;
696 mbs.param[1] = loopid;
697 mbs.param[2] = fct->lun;
698 needmarker = 1;
699 break;
700 case IPT_CLEAR_TASK_SET:
701 mbs.param[0] = MBOX_CLEAR_TASK_SET;
702 mbs.param[1] = loopid;
703 mbs.param[2] = fct->lun;
704 needmarker = 1;
705 break;
706 case IPT_ABORT_TASK_SET:
707 mbs.param[0] = MBOX_ABORT_TASK_SET;
708 mbs.param[1] = loopid;
709 mbs.param[2] = fct->lun;
710 needmarker = 1;
711 break;
712 default:
713 retval = EINVAL;
714 break;
715 }
716 if (retval == 0) {
717 if (needmarker) {
718 FCPARAM(isp, chan)->sendmarker = 1;
719 }
720 retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs);
721 if (retval) {
722 retval = EIO;
723 }
724 }
725 }
726 ISP_UNLOCK(isp);
727 break;
728 }
729 default:
730 break;
731 }
732 return (retval);
733 }
734
735 static void
isp_intr_enable(void * arg)736 isp_intr_enable(void *arg)
737 {
738 int chan;
739 ispsoftc_t *isp = arg;
740 ISP_LOCK(isp);
741 for (chan = 0; chan < isp->isp_nchan; chan++) {
742 if (IS_FC(isp)) {
743 if (FCPARAM(isp, chan)->role != ISP_ROLE_NONE) {
744 ISP_ENABLE_INTS(isp);
745 break;
746 }
747 } else {
748 if (SDPARAM(isp, chan)->role != ISP_ROLE_NONE) {
749 ISP_ENABLE_INTS(isp);
750 break;
751 }
752 }
753 }
754 isp->isp_osinfo.ehook_active = 0;
755 ISP_UNLOCK(isp);
756 /* Release our hook so that the boot can continue. */
757 config_intrhook_disestablish(&isp->isp_osinfo.ehook);
758 }
759
760 /*
761 * Local Inlines
762 */
763
764 static ISP_INLINE int isp_get_pcmd(ispsoftc_t *, union ccb *);
765 static ISP_INLINE void isp_free_pcmd(ispsoftc_t *, union ccb *);
766
767 static ISP_INLINE int
isp_get_pcmd(ispsoftc_t * isp,union ccb * ccb)768 isp_get_pcmd(ispsoftc_t *isp, union ccb *ccb)
769 {
770 ISP_PCMD(ccb) = isp->isp_osinfo.pcmd_free;
771 if (ISP_PCMD(ccb) == NULL) {
772 return (-1);
773 }
774 isp->isp_osinfo.pcmd_free = ((struct isp_pcmd *)ISP_PCMD(ccb))->next;
775 return (0);
776 }
777
778 static ISP_INLINE void
isp_free_pcmd(ispsoftc_t * isp,union ccb * ccb)779 isp_free_pcmd(ispsoftc_t *isp, union ccb *ccb)
780 {
781 if (ISP_PCMD(ccb)) {
782 #ifdef ISP_TARGET_MODE
783 PISP_PCMD(ccb)->datalen = 0;
784 PISP_PCMD(ccb)->totslen = 0;
785 PISP_PCMD(ccb)->cumslen = 0;
786 PISP_PCMD(ccb)->crn = 0;
787 #endif
788 PISP_PCMD(ccb)->next = isp->isp_osinfo.pcmd_free;
789 isp->isp_osinfo.pcmd_free = ISP_PCMD(ccb);
790 ISP_PCMD(ccb) = NULL;
791 }
792 }
793
794 /*
795 * Put the target mode functions here, because some are inlines
796 */
797 #ifdef ISP_TARGET_MODE
798 static ISP_INLINE void isp_tmlock(ispsoftc_t *, const char *);
799 static ISP_INLINE void isp_tmunlk(ispsoftc_t *);
800 static ISP_INLINE int is_any_lun_enabled(ispsoftc_t *, int);
801 static ISP_INLINE int is_lun_enabled(ispsoftc_t *, int, lun_id_t);
802 static ISP_INLINE tstate_t *get_lun_statep(ispsoftc_t *, int, lun_id_t);
803 static ISP_INLINE tstate_t *get_lun_statep_from_tag(ispsoftc_t *, int, uint32_t);
804 static ISP_INLINE void rls_lun_statep(ispsoftc_t *, tstate_t *);
805 static ISP_INLINE inot_private_data_t *get_ntp_from_tagdata(ispsoftc_t *, uint32_t, uint32_t, tstate_t **);
806 static ISP_INLINE atio_private_data_t *isp_get_atpd(ispsoftc_t *, tstate_t *, uint32_t);
807 static ISP_INLINE atio_private_data_t *isp_find_atpd(ispsoftc_t *, tstate_t *, uint32_t);
808 static ISP_INLINE void isp_put_atpd(ispsoftc_t *, tstate_t *, atio_private_data_t *);
809 static ISP_INLINE inot_private_data_t *isp_get_ntpd(ispsoftc_t *, tstate_t *);
810 static ISP_INLINE inot_private_data_t *isp_find_ntpd(ispsoftc_t *, tstate_t *, uint32_t, uint32_t);
811 static ISP_INLINE void isp_put_ntpd(ispsoftc_t *, tstate_t *, inot_private_data_t *);
812 static cam_status create_lun_state(ispsoftc_t *, int, struct cam_path *, tstate_t **);
813 static void destroy_lun_state(ispsoftc_t *, tstate_t *);
814 static void isp_enable_lun(ispsoftc_t *, union ccb *);
815 static cam_status isp_enable_deferred_luns(ispsoftc_t *, int);
816 static cam_status isp_enable_deferred(ispsoftc_t *, int, lun_id_t);
817 static void isp_disable_lun(ispsoftc_t *, union ccb *);
818 static int isp_enable_target_mode(ispsoftc_t *, int);
819 static int isp_disable_target_mode(ispsoftc_t *, int);
820 static void isp_ledone(ispsoftc_t *, lun_entry_t *);
821 static timeout_t isp_refire_putback_atio;
822 static timeout_t isp_refire_notify_ack;
823 static void isp_complete_ctio(union ccb *);
824 static void isp_target_putback_atio(union ccb *);
825 enum Start_Ctio_How { FROM_CAM, FROM_TIMER, FROM_SRR, FROM_CTIO_DONE };
826 static void isp_target_start_ctio(ispsoftc_t *, union ccb *, enum Start_Ctio_How);
827 static void isp_handle_platform_atio(ispsoftc_t *, at_entry_t *);
828 static void isp_handle_platform_atio2(ispsoftc_t *, at2_entry_t *);
829 static void isp_handle_platform_atio7(ispsoftc_t *, at7_entry_t *);
830 static void isp_handle_platform_ctio(ispsoftc_t *, void *);
831 static void isp_handle_platform_notify_scsi(ispsoftc_t *, in_entry_t *);
832 static void isp_handle_platform_notify_fc(ispsoftc_t *, in_fcentry_t *);
833 static void isp_handle_platform_notify_24xx(ispsoftc_t *, in_fcentry_24xx_t *);
834 static int isp_handle_platform_target_notify_ack(ispsoftc_t *, isp_notify_t *);
835 static void isp_handle_platform_target_tmf(ispsoftc_t *, isp_notify_t *);
836 static void isp_target_mark_aborted(ispsoftc_t *, union ccb *);
837 static void isp_target_mark_aborted_early(ispsoftc_t *, tstate_t *, uint32_t);
838
839 static ISP_INLINE void
isp_tmlock(ispsoftc_t * isp,const char * msg)840 isp_tmlock(ispsoftc_t *isp, const char *msg)
841 {
842 while (isp->isp_osinfo.tmbusy) {
843 isp->isp_osinfo.tmwanted = 1;
844 mtx_sleep(isp, &isp->isp_lock, PRIBIO, msg, 0);
845 }
846 isp->isp_osinfo.tmbusy = 1;
847 }
848
849 static ISP_INLINE void
isp_tmunlk(ispsoftc_t * isp)850 isp_tmunlk(ispsoftc_t *isp)
851 {
852 isp->isp_osinfo.tmbusy = 0;
853 if (isp->isp_osinfo.tmwanted) {
854 isp->isp_osinfo.tmwanted = 0;
855 wakeup(isp);
856 }
857 }
858
859 static ISP_INLINE int
is_any_lun_enabled(ispsoftc_t * isp,int bus)860 is_any_lun_enabled(ispsoftc_t *isp, int bus)
861 {
862 struct tslist *lhp;
863 int i;
864
865 for (i = 0; i < LUN_HASH_SIZE; i++) {
866 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
867 if (SLIST_FIRST(lhp))
868 return (1);
869 }
870 return (0);
871 }
872
873 static ISP_INLINE int
is_lun_enabled(ispsoftc_t * isp,int bus,lun_id_t lun)874 is_lun_enabled(ispsoftc_t *isp, int bus, lun_id_t lun)
875 {
876 tstate_t *tptr;
877 struct tslist *lhp;
878
879 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp);
880 SLIST_FOREACH(tptr, lhp, next) {
881 if (tptr->ts_lun == lun) {
882 return (1);
883 }
884 }
885 return (0);
886 }
887
888 static void
dump_tstates(ispsoftc_t * isp,int bus)889 dump_tstates(ispsoftc_t *isp, int bus)
890 {
891 int i, j;
892 struct tslist *lhp;
893 tstate_t *tptr = NULL;
894
895 if (bus >= isp->isp_nchan) {
896 return;
897 }
898 for (i = 0; i < LUN_HASH_SIZE; i++) {
899 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
900 j = 0;
901 SLIST_FOREACH(tptr, lhp, next) {
902 xpt_print(tptr->owner, "[%d, %d] atio_cnt=%d inot_cnt=%d\n", i, j, tptr->atio_count, tptr->inot_count);
903 j++;
904 }
905 }
906 }
907
908 static ISP_INLINE tstate_t *
get_lun_statep(ispsoftc_t * isp,int bus,lun_id_t lun)909 get_lun_statep(ispsoftc_t *isp, int bus, lun_id_t lun)
910 {
911 tstate_t *tptr = NULL;
912 struct tslist *lhp;
913
914 if (bus < isp->isp_nchan) {
915 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp);
916 SLIST_FOREACH(tptr, lhp, next) {
917 if (tptr->ts_lun == lun) {
918 tptr->hold++;
919 return (tptr);
920 }
921 }
922 }
923 return (NULL);
924 }
925
926 static ISP_INLINE tstate_t *
get_lun_statep_from_tag(ispsoftc_t * isp,int bus,uint32_t tagval)927 get_lun_statep_from_tag(ispsoftc_t *isp, int bus, uint32_t tagval)
928 {
929 tstate_t *tptr = NULL;
930 atio_private_data_t *atp;
931 struct tslist *lhp;
932 int i;
933
934 if (bus < isp->isp_nchan && tagval != 0) {
935 for (i = 0; i < LUN_HASH_SIZE; i++) {
936 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
937 SLIST_FOREACH(tptr, lhp, next) {
938 atp = isp_find_atpd(isp, tptr, tagval);
939 if (atp) {
940 tptr->hold++;
941 return (tptr);
942 }
943 }
944 }
945 }
946 return (NULL);
947 }
948
949 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)950 get_ntp_from_tagdata(ispsoftc_t *isp, uint32_t tag_id, uint32_t seq_id, tstate_t **rslt)
951 {
952 inot_private_data_t *ntp;
953 tstate_t *tptr;
954 struct tslist *lhp;
955 int bus, i;
956
957 for (bus = 0; bus < isp->isp_nchan; bus++) {
958 for (i = 0; i < LUN_HASH_SIZE; i++) {
959 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
960 SLIST_FOREACH(tptr, lhp, next) {
961 ntp = isp_find_ntpd(isp, tptr, tag_id, seq_id);
962 if (ntp) {
963 *rslt = tptr;
964 tptr->hold++;
965 return (ntp);
966 }
967 }
968 }
969 }
970 return (NULL);
971 }
972
973 static ISP_INLINE void
rls_lun_statep(ispsoftc_t * isp,tstate_t * tptr)974 rls_lun_statep(ispsoftc_t *isp, tstate_t *tptr)
975 {
976 KASSERT((tptr->hold), ("tptr not held"));
977 tptr->hold--;
978 }
979
980 static void
isp_tmcmd_restart(ispsoftc_t * isp)981 isp_tmcmd_restart(ispsoftc_t *isp)
982 {
983 inot_private_data_t *ntp;
984 inot_private_data_t *restart_queue;
985 tstate_t *tptr;
986 union ccb *ccb;
987 struct tslist *lhp;
988 int bus, i;
989
990 for (bus = 0; bus < isp->isp_nchan; bus++) {
991 for (i = 0; i < LUN_HASH_SIZE; i++) {
992 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
993 SLIST_FOREACH(tptr, lhp, next) {
994 if ((restart_queue = tptr->restart_queue) != NULL)
995 tptr->restart_queue = NULL;
996 while (restart_queue) {
997 ntp = restart_queue;
998 restart_queue = ntp->rd.nt.nt_hba;
999 if (IS_24XX(isp)) {
1000 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at7_entry_t *)ntp->rd.data)->at_rxid);
1001 isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->rd.data);
1002 } else {
1003 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at2_entry_t *)ntp->rd.data)->at_rxid);
1004 isp_handle_platform_atio2(isp, (at2_entry_t *) ntp->rd.data);
1005 }
1006 isp_put_ntpd(isp, tptr, ntp);
1007 if (tptr->restart_queue && restart_queue != NULL) {
1008 ntp = tptr->restart_queue;
1009 tptr->restart_queue = restart_queue;
1010 while (restart_queue->rd.nt.nt_hba) {
1011 restart_queue = restart_queue->rd.nt.nt_hba;
1012 }
1013 restart_queue->rd.nt.nt_hba = ntp;
1014 break;
1015 }
1016 }
1017 /*
1018 * We only need to do this once per tptr
1019 */
1020 if (!TAILQ_EMPTY(&tptr->waitq)) {
1021 ccb = (union ccb *)TAILQ_LAST(&tptr->waitq, isp_ccbq);
1022 TAILQ_REMOVE(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
1023 isp_target_start_ctio(isp, ccb, FROM_TIMER);
1024 }
1025 }
1026 }
1027 }
1028 }
1029
1030 static ISP_INLINE atio_private_data_t *
isp_get_atpd(ispsoftc_t * isp,tstate_t * tptr,uint32_t tag)1031 isp_get_atpd(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag)
1032 {
1033 atio_private_data_t *atp;
1034
1035 atp = LIST_FIRST(&tptr->atfree);
1036 if (atp) {
1037 LIST_REMOVE(atp, next);
1038 atp->tag = tag;
1039 LIST_INSERT_HEAD(&tptr->atused[ATPDPHASH(tag)], atp, next);
1040 }
1041 return (atp);
1042 }
1043
1044 static ISP_INLINE atio_private_data_t *
isp_find_atpd(ispsoftc_t * isp,tstate_t * tptr,uint32_t tag)1045 isp_find_atpd(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag)
1046 {
1047 atio_private_data_t *atp;
1048
1049 LIST_FOREACH(atp, &tptr->atused[ATPDPHASH(tag)], next) {
1050 if (atp->tag == tag)
1051 return (atp);
1052 }
1053 return (NULL);
1054 }
1055
1056 static ISP_INLINE void
isp_put_atpd(ispsoftc_t * isp,tstate_t * tptr,atio_private_data_t * atp)1057 isp_put_atpd(ispsoftc_t *isp, tstate_t *tptr, atio_private_data_t *atp)
1058 {
1059 if (atp->ests) {
1060 isp_put_ecmd(isp, atp->ests);
1061 }
1062 LIST_REMOVE(atp, next);
1063 memset(atp, 0, sizeof (*atp));
1064 LIST_INSERT_HEAD(&tptr->atfree, atp, next);
1065 }
1066
1067 static void
isp_dump_atpd(ispsoftc_t * isp,tstate_t * tptr)1068 isp_dump_atpd(ispsoftc_t *isp, tstate_t *tptr)
1069 {
1070 atio_private_data_t *atp;
1071 const char *states[8] = { "Free", "ATIO", "CAM", "CTIO", "LAST_CTIO", "PDON", "?6", "7" };
1072
1073 for (atp = tptr->atpool; atp < &tptr->atpool[ATPDPSIZE]; atp++) {
1074 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",
1075 atp->tag, atp->orig_datalen, atp->bytes_xfered, atp->lun, atp->nphdl, atp->sid, atp->portid, atp->oxid, states[atp->state & 0x7]);
1076 }
1077 }
1078
1079
1080 static ISP_INLINE inot_private_data_t *
isp_get_ntpd(ispsoftc_t * isp,tstate_t * tptr)1081 isp_get_ntpd(ispsoftc_t *isp, tstate_t *tptr)
1082 {
1083 inot_private_data_t *ntp;
1084 ntp = tptr->ntfree;
1085 if (ntp) {
1086 tptr->ntfree = ntp->next;
1087 }
1088 return (ntp);
1089 }
1090
1091 static ISP_INLINE inot_private_data_t *
isp_find_ntpd(ispsoftc_t * isp,tstate_t * tptr,uint32_t tag_id,uint32_t seq_id)1092 isp_find_ntpd(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag_id, uint32_t seq_id)
1093 {
1094 inot_private_data_t *ntp;
1095 for (ntp = tptr->ntpool; ntp < &tptr->ntpool[ATPDPSIZE]; ntp++) {
1096 if (ntp->rd.tag_id == tag_id && ntp->rd.seq_id == seq_id) {
1097 return (ntp);
1098 }
1099 }
1100 return (NULL);
1101 }
1102
1103 static ISP_INLINE void
isp_put_ntpd(ispsoftc_t * isp,tstate_t * tptr,inot_private_data_t * ntp)1104 isp_put_ntpd(ispsoftc_t *isp, tstate_t *tptr, inot_private_data_t *ntp)
1105 {
1106 ntp->rd.tag_id = ntp->rd.seq_id = 0;
1107 ntp->next = tptr->ntfree;
1108 tptr->ntfree = ntp;
1109 }
1110
1111 static cam_status
create_lun_state(ispsoftc_t * isp,int bus,struct cam_path * path,tstate_t ** rslt)1112 create_lun_state(ispsoftc_t *isp, int bus, struct cam_path *path, tstate_t **rslt)
1113 {
1114 cam_status status;
1115 lun_id_t lun;
1116 struct tslist *lhp;
1117 tstate_t *tptr;
1118 int i;
1119
1120 lun = xpt_path_lun_id(path);
1121 if (lun != CAM_LUN_WILDCARD) {
1122 if (lun >= ISP_MAX_LUNS(isp)) {
1123 return (CAM_LUN_INVALID);
1124 }
1125 }
1126 if (is_lun_enabled(isp, bus, lun)) {
1127 return (CAM_LUN_ALRDY_ENA);
1128 }
1129 tptr = malloc(sizeof (tstate_t), M_DEVBUF, M_NOWAIT|M_ZERO);
1130 if (tptr == NULL) {
1131 return (CAM_RESRC_UNAVAIL);
1132 }
1133 tptr->ts_lun = lun;
1134 status = xpt_create_path(&tptr->owner, NULL, xpt_path_path_id(path), xpt_path_target_id(path), lun);
1135 if (status != CAM_REQ_CMP) {
1136 free(tptr, M_DEVBUF);
1137 return (status);
1138 }
1139 SLIST_INIT(&tptr->atios);
1140 SLIST_INIT(&tptr->inots);
1141 TAILQ_INIT(&tptr->waitq);
1142 LIST_INIT(&tptr->atfree);
1143 for (i = ATPDPSIZE-1; i >= 0; i--)
1144 LIST_INSERT_HEAD(&tptr->atfree, &tptr->atpool[i], next);
1145 for (i = 0; i < ATPDPHASHSIZE; i++)
1146 LIST_INIT(&tptr->atused[i]);
1147 for (i = 0; i < ATPDPSIZE-1; i++)
1148 tptr->ntpool[i].next = &tptr->ntpool[i+1];
1149 tptr->ntfree = tptr->ntpool;
1150 tptr->hold = 1;
1151 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp);
1152 SLIST_INSERT_HEAD(lhp, tptr, next);
1153 *rslt = tptr;
1154 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, path, "created tstate\n");
1155 return (CAM_REQ_CMP);
1156 }
1157
1158 static ISP_INLINE void
destroy_lun_state(ispsoftc_t * isp,tstate_t * tptr)1159 destroy_lun_state(ispsoftc_t *isp, tstate_t *tptr)
1160 {
1161 union ccb *ccb;
1162 struct tslist *lhp;
1163
1164 KASSERT((tptr->hold != 0), ("tptr is not held"));
1165 KASSERT((tptr->hold == 1), ("tptr still held (%d)", tptr->hold));
1166 do {
1167 ccb = (union ccb *)SLIST_FIRST(&tptr->atios);
1168 if (ccb) {
1169 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
1170 ccb->ccb_h.status = CAM_REQ_ABORTED;
1171 xpt_done(ccb);
1172 }
1173 } while (ccb);
1174 do {
1175 ccb = (union ccb *)SLIST_FIRST(&tptr->inots);
1176 if (ccb) {
1177 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle);
1178 ccb->ccb_h.status = CAM_REQ_ABORTED;
1179 xpt_done(ccb);
1180 }
1181 } while (ccb);
1182 ISP_GET_PC_ADDR(isp, cam_sim_bus(xpt_path_sim(tptr->owner)), lun_hash[LUN_HASH_FUNC(tptr->ts_lun)], lhp);
1183 SLIST_REMOVE(lhp, tptr, tstate, next);
1184 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, tptr->owner, "destroyed tstate\n");
1185 xpt_free_path(tptr->owner);
1186 free(tptr, M_DEVBUF);
1187 }
1188
1189 /*
1190 * Enable a lun.
1191 */
1192 static void
isp_enable_lun(ispsoftc_t * isp,union ccb * ccb)1193 isp_enable_lun(ispsoftc_t *isp, union ccb *ccb)
1194 {
1195 tstate_t *tptr = NULL;
1196 int bus, tm_enabled, target_role;
1197 target_id_t target;
1198 lun_id_t lun;
1199
1200
1201 /*
1202 * We only support either a wildcard target/lun or a target ID of zero and a non-wildcard lun
1203 */
1204 bus = XS_CHANNEL(ccb);
1205 target = ccb->ccb_h.target_id;
1206 lun = ccb->ccb_h.target_lun;
1207 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, "enabling lun %u\n", lun);
1208 if (target != CAM_TARGET_WILDCARD && target != 0) {
1209 ccb->ccb_h.status = CAM_TID_INVALID;
1210 xpt_done(ccb);
1211 return;
1212 }
1213 if (target == CAM_TARGET_WILDCARD && lun != CAM_LUN_WILDCARD) {
1214 ccb->ccb_h.status = CAM_LUN_INVALID;
1215 xpt_done(ccb);
1216 return;
1217 }
1218
1219 if (target != CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) {
1220 ccb->ccb_h.status = CAM_LUN_INVALID;
1221 xpt_done(ccb);
1222 return;
1223 }
1224 if (isp->isp_dblev & ISP_LOGTDEBUG0) {
1225 xpt_print(ccb->ccb_h.path, "enabling lun 0x%x on channel %d\n", lun, bus);
1226 }
1227
1228 /*
1229 * Wait until we're not busy with the lun enables subsystem
1230 */
1231 isp_tmlock(isp, "isp_enable_lun");
1232
1233 /*
1234 * This is as a good a place as any to check f/w capabilities.
1235 */
1236
1237 if (IS_FC(isp)) {
1238 if (ISP_CAP_TMODE(isp) == 0) {
1239 xpt_print(ccb->ccb_h.path, "firmware does not support target mode\n");
1240 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1241 goto done;
1242 }
1243 /*
1244 * We *could* handle non-SCCLUN f/w, but we'd have to
1245 * dork with our already fragile enable/disable code.
1246 */
1247 if (ISP_CAP_SCCFW(isp) == 0) {
1248 xpt_print(ccb->ccb_h.path, "firmware not SCCLUN capable\n");
1249 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1250 goto done;
1251 }
1252
1253 target_role = (FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) != 0;
1254
1255 } else {
1256 target_role = (SDPARAM(isp, bus)->role & ISP_ROLE_TARGET) != 0;
1257 }
1258
1259 /*
1260 * Create the state pointer.
1261 * It should not already exist.
1262 */
1263 tptr = get_lun_statep(isp, bus, lun);
1264 if (tptr) {
1265 ccb->ccb_h.status = CAM_LUN_ALRDY_ENA;
1266 goto done;
1267 }
1268 ccb->ccb_h.status = create_lun_state(isp, bus, ccb->ccb_h.path, &tptr);
1269 if (ccb->ccb_h.status != CAM_REQ_CMP) {
1270 goto done;
1271 }
1272
1273 /*
1274 * We have a tricky maneuver to perform here.
1275 *
1276 * If target mode isn't already enabled here,
1277 * *and* our current role includes target mode,
1278 * we enable target mode here.
1279 *
1280 */
1281 ISP_GET_PC(isp, bus, tm_enabled, tm_enabled);
1282 if (tm_enabled == 0 && target_role != 0) {
1283 if (isp_enable_target_mode(isp, bus)) {
1284 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1285 destroy_lun_state(isp, tptr);
1286 tptr = NULL;
1287 goto done;
1288 }
1289 tm_enabled = 1;
1290 }
1291
1292 /*
1293 * Now check to see whether this bus is in target mode already.
1294 *
1295 * If not, a later role change into target mode will finish the job.
1296 */
1297 if (tm_enabled == 0) {
1298 ISP_SET_PC(isp, bus, tm_enable_defer, 1);
1299 ccb->ccb_h.status = CAM_REQ_CMP;
1300 xpt_print(ccb->ccb_h.path, "Target Mode not enabled yet- lun enable deferred\n");
1301 goto done1;
1302 }
1303
1304 /*
1305 * Enable the lun.
1306 */
1307 ccb->ccb_h.status = isp_enable_deferred(isp, bus, lun);
1308
1309 done:
1310 if (ccb->ccb_h.status != CAM_REQ_CMP) {
1311 if (tptr) {
1312 destroy_lun_state(isp, tptr);
1313 tptr = NULL;
1314 }
1315 } else {
1316 tptr->enabled = 1;
1317 }
1318 done1:
1319 if (tptr) {
1320 rls_lun_statep(isp, tptr);
1321 }
1322
1323 /*
1324 * And we're outta here....
1325 */
1326 isp_tmunlk(isp);
1327 xpt_done(ccb);
1328 }
1329
1330 static cam_status
isp_enable_deferred_luns(ispsoftc_t * isp,int bus)1331 isp_enable_deferred_luns(ispsoftc_t *isp, int bus)
1332 {
1333 tstate_t *tptr = NULL;
1334 struct tslist *lhp;
1335 int i, n;
1336
1337
1338 ISP_GET_PC(isp, bus, tm_enabled, i);
1339 if (i == 1) {
1340 return (CAM_REQ_CMP);
1341 }
1342 ISP_GET_PC(isp, bus, tm_enable_defer, i);
1343 if (i == 0) {
1344 return (CAM_REQ_CMP);
1345 }
1346 /*
1347 * If this succeeds, it will set tm_enable
1348 */
1349 if (isp_enable_target_mode(isp, bus)) {
1350 return (CAM_REQ_CMP_ERR);
1351 }
1352 isp_tmlock(isp, "isp_enable_deferred_luns");
1353 for (n = i = 0; i < LUN_HASH_SIZE; i++) {
1354 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
1355 SLIST_FOREACH(tptr, lhp, next) {
1356 tptr->hold++;
1357 if (tptr->enabled == 0) {
1358 if (isp_enable_deferred(isp, bus, tptr->ts_lun) == CAM_REQ_CMP) {
1359 tptr->enabled = 1;
1360 n++;
1361 }
1362 } else {
1363 n++;
1364 }
1365 tptr->hold--;
1366 }
1367 }
1368 isp_tmunlk(isp);
1369 if (n == 0) {
1370 return (CAM_REQ_CMP_ERR);
1371 }
1372 ISP_SET_PC(isp, bus, tm_enable_defer, 0);
1373 return (CAM_REQ_CMP);
1374 }
1375
1376 static cam_status
isp_enable_deferred(ispsoftc_t * isp,int bus,lun_id_t lun)1377 isp_enable_deferred(ispsoftc_t *isp, int bus, lun_id_t lun)
1378 {
1379 cam_status status;
1380 int luns_already_enabled;
1381
1382 ISP_GET_PC(isp, bus, tm_luns_enabled, luns_already_enabled);
1383 isp_prt(isp, ISP_LOGTINFO, "%s: bus %d lun %u luns_enabled %d", __func__, bus, lun, luns_already_enabled);
1384 if (IS_24XX(isp) || (IS_FC(isp) && luns_already_enabled)) {
1385 status = CAM_REQ_CMP;
1386 } else {
1387 int cmd_cnt, not_cnt;
1388
1389 if (IS_23XX(isp)) {
1390 cmd_cnt = DFLT_CMND_CNT;
1391 not_cnt = DFLT_INOT_CNT;
1392 } else {
1393 cmd_cnt = 64;
1394 not_cnt = 8;
1395 }
1396 status = CAM_REQ_INPROG;
1397 isp->isp_osinfo.rptr = &status;
1398 if (isp_lun_cmd(isp, RQSTYPE_ENABLE_LUN, bus, lun == CAM_LUN_WILDCARD? 0 : lun, cmd_cnt, not_cnt)) {
1399 status = CAM_RESRC_UNAVAIL;
1400 } else {
1401 mtx_sleep(&status, &isp->isp_lock, PRIBIO, "isp_enable_deferred", 0);
1402 }
1403 isp->isp_osinfo.rptr = NULL;
1404 }
1405 if (status == CAM_REQ_CMP) {
1406 ISP_SET_PC(isp, bus, tm_luns_enabled, 1);
1407 isp_prt(isp, ISP_LOGCONFIG|ISP_LOGTINFO, "bus %d lun %u now enabled for target mode", bus, lun);
1408 }
1409 return (status);
1410 }
1411
1412 static void
isp_disable_lun(ispsoftc_t * isp,union ccb * ccb)1413 isp_disable_lun(ispsoftc_t *isp, union ccb *ccb)
1414 {
1415 tstate_t *tptr = NULL;
1416 int bus;
1417 cam_status status;
1418 target_id_t target;
1419 lun_id_t lun;
1420
1421 bus = XS_CHANNEL(ccb);
1422 target = ccb->ccb_h.target_id;
1423 lun = ccb->ccb_h.target_lun;
1424 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path, "disabling lun %u\n", lun);
1425 if (target != CAM_TARGET_WILDCARD && target != 0) {
1426 ccb->ccb_h.status = CAM_TID_INVALID;
1427 xpt_done(ccb);
1428 return;
1429 }
1430
1431 if (target == CAM_TARGET_WILDCARD && lun != CAM_LUN_WILDCARD) {
1432 ccb->ccb_h.status = CAM_LUN_INVALID;
1433 xpt_done(ccb);
1434 return;
1435 }
1436
1437 if (target != CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) {
1438 ccb->ccb_h.status = CAM_LUN_INVALID;
1439 xpt_done(ccb);
1440 return;
1441 }
1442
1443 /*
1444 * See if we're busy disabling a lun now.
1445 */
1446 isp_tmlock(isp, "isp_disable_lun");
1447 status = CAM_REQ_INPROG;
1448
1449 /*
1450 * Find the state pointer.
1451 */
1452 if ((tptr = get_lun_statep(isp, bus, lun)) == NULL) {
1453 status = CAM_PATH_INVALID;
1454 goto done;
1455 }
1456
1457 /*
1458 * If we're a 24XX card, we're done.
1459 */
1460 if (IS_24XX(isp)) {
1461 status = CAM_REQ_CMP;
1462 goto done;
1463 }
1464
1465 /*
1466 * For SCC FW, we only deal with lun zero.
1467 */
1468 if (IS_FC(isp) && lun > 0) {
1469 status = CAM_REQ_CMP;
1470 goto done;
1471 }
1472 isp->isp_osinfo.rptr = &status;
1473 if (isp_lun_cmd(isp, RQSTYPE_ENABLE_LUN, bus, lun, 0, 0)) {
1474 status = CAM_RESRC_UNAVAIL;
1475 } else {
1476 mtx_sleep(ccb, &isp->isp_lock, PRIBIO, "isp_disable_lun", 0);
1477 }
1478 isp->isp_osinfo.rptr = NULL;
1479 done:
1480 if (status == CAM_REQ_CMP) {
1481 tptr->enabled = 0;
1482 /*
1483 * If we have no more luns enabled for this bus,
1484 * delete all tracked wwns for it (if we are FC),
1485 * and disable target mode.
1486 */
1487 if (is_any_lun_enabled(isp, bus) == 0) {
1488 isp_del_all_wwn_entries(isp, bus);
1489 if (isp_disable_target_mode(isp, bus)) {
1490 status = CAM_REQ_CMP_ERR;
1491 }
1492 }
1493 }
1494 ccb->ccb_h.status = status;
1495 if (status == CAM_REQ_CMP) {
1496 destroy_lun_state(isp, tptr);
1497 xpt_print(ccb->ccb_h.path, "lun now disabled for target mode\n");
1498 } else {
1499 if (tptr)
1500 rls_lun_statep(isp, tptr);
1501 }
1502 isp_tmunlk(isp);
1503 xpt_done(ccb);
1504 }
1505
1506 static int
isp_enable_target_mode(ispsoftc_t * isp,int bus)1507 isp_enable_target_mode(ispsoftc_t *isp, int bus)
1508 {
1509 int tm_enabled;
1510
1511 ISP_GET_PC(isp, bus, tm_enabled, tm_enabled);
1512 if (tm_enabled != 0) {
1513 return (0);
1514 }
1515 if (IS_SCSI(isp)) {
1516 mbreg_t mbs;
1517 MBSINIT(&mbs, MBOX_ENABLE_TARGET_MODE, MBLOGALL, 0);
1518 mbs.param[0] = MBOX_ENABLE_TARGET_MODE;
1519 mbs.param[1] = ENABLE_TARGET_FLAG|ENABLE_TQING_FLAG;
1520 mbs.param[2] = bus << 7;
1521 if (isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs) < 0 || mbs.param[0] != MBOX_COMMAND_COMPLETE) {
1522 isp_prt(isp, ISP_LOGERR, "Unable to enable Target Role on Bus %d", bus);
1523 return (EIO);
1524 }
1525 }
1526 ISP_SET_PC(isp, bus, tm_enabled, 1);
1527 isp_prt(isp, ISP_LOGINFO, "Target Role enabled on Bus %d", bus);
1528 return (0);
1529 }
1530
1531 static int
isp_disable_target_mode(ispsoftc_t * isp,int bus)1532 isp_disable_target_mode(ispsoftc_t *isp, int bus)
1533 {
1534 int tm_enabled;
1535
1536 ISP_GET_PC(isp, bus, tm_enabled, tm_enabled);
1537 if (tm_enabled == 0) {
1538 return (0);
1539 }
1540 if (IS_SCSI(isp)) {
1541 mbreg_t mbs;
1542 MBSINIT(&mbs, MBOX_ENABLE_TARGET_MODE, MBLOGALL, 0);
1543 mbs.param[2] = bus << 7;
1544 if (isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs) < 0 || mbs.param[0] != MBOX_COMMAND_COMPLETE) {
1545 isp_prt(isp, ISP_LOGERR, "Unable to disable Target Role on Bus %d", bus);
1546 return (EIO);
1547 }
1548 }
1549 ISP_SET_PC(isp, bus, tm_enabled, 0);
1550 isp_prt(isp, ISP_LOGINFO, "Target Role disabled on Bus %d", bus);
1551 return (0);
1552 }
1553
1554 static void
isp_ledone(ispsoftc_t * isp,lun_entry_t * lep)1555 isp_ledone(ispsoftc_t *isp, lun_entry_t *lep)
1556 {
1557 uint32_t *rptr;
1558
1559 rptr = isp->isp_osinfo.rptr;
1560 if (lep->le_status != LUN_OK) {
1561 isp_prt(isp, ISP_LOGERR, "ENABLE/MODIFY LUN returned 0x%x", lep->le_status);
1562 if (rptr) {
1563 *rptr = CAM_REQ_CMP_ERR;
1564 wakeup_one(rptr);
1565 }
1566 } else {
1567 if (rptr) {
1568 *rptr = CAM_REQ_CMP;
1569 wakeup_one(rptr);
1570 }
1571 }
1572 }
1573
1574 static void
isp_target_start_ctio(ispsoftc_t * isp,union ccb * ccb,enum Start_Ctio_How how)1575 isp_target_start_ctio(ispsoftc_t *isp, union ccb *ccb, enum Start_Ctio_How how)
1576 {
1577 int fctape, sendstatus, resid;
1578 tstate_t *tptr;
1579 fcparam *fcp;
1580 atio_private_data_t *atp;
1581 struct ccb_scsiio *cso;
1582 uint32_t dmaresult, handle, xfrlen, sense_length, tmp;
1583 uint8_t local[QENTRY_LEN];
1584
1585 tptr = get_lun_statep(isp, XS_CHANNEL(ccb), XS_LUN(ccb));
1586 if (tptr == NULL) {
1587 tptr = get_lun_statep(isp, XS_CHANNEL(ccb), CAM_LUN_WILDCARD);
1588 if (tptr == NULL) {
1589 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] cannot find tstate pointer", __func__, ccb->csio.tag_id);
1590 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
1591 xpt_done(ccb);
1592 return;
1593 }
1594 }
1595 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,
1596 (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0, ((ccb->ccb_h.flags & CAM_SEND_SENSE)? ccb->csio.sense_len : 0));
1597
1598 switch (how) {
1599 case FROM_TIMER:
1600 case FROM_CAM:
1601 /*
1602 * Insert at the tail of the list, if any, waiting CTIO CCBs
1603 */
1604 TAILQ_INSERT_TAIL(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
1605 break;
1606 case FROM_SRR:
1607 case FROM_CTIO_DONE:
1608 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
1609 break;
1610 }
1611
1612 while (TAILQ_FIRST(&tptr->waitq) != NULL) {
1613 ccb = (union ccb *) TAILQ_FIRST(&tptr->waitq);
1614 TAILQ_REMOVE(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
1615
1616 cso = &ccb->csio;
1617 xfrlen = cso->dxfer_len;
1618 if (xfrlen == 0) {
1619 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) {
1620 ISP_PATH_PRT(isp, ISP_LOGERR, ccb->ccb_h.path, "a data transfer length of zero but no status to send is wrong\n");
1621 ccb->ccb_h.status = CAM_REQ_INVALID;
1622 xpt_done(ccb);
1623 continue;
1624 }
1625 }
1626
1627 atp = isp_find_atpd(isp, tptr, cso->tag_id);
1628 if (atp == NULL) {
1629 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] cannot find private data adjunct in %s", __func__, cso->tag_id, __func__);
1630 isp_dump_atpd(isp, tptr);
1631 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1632 xpt_done(ccb);
1633 continue;
1634 }
1635
1636 /*
1637 * Is this command a dead duck?
1638 */
1639 if (atp->dead) {
1640 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] not sending a CTIO for a dead command", __func__, cso->tag_id);
1641 ccb->ccb_h.status = CAM_REQ_ABORTED;
1642 xpt_done(ccb);
1643 continue;
1644 }
1645
1646 /*
1647 * Check to make sure we're still in target mode.
1648 */
1649 fcp = FCPARAM(isp, XS_CHANNEL(ccb));
1650 if ((fcp->role & ISP_ROLE_TARGET) == 0) {
1651 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] stopping sending a CTIO because we're no longer in target mode", __func__, cso->tag_id);
1652 ccb->ccb_h.status = CAM_PROVIDE_FAIL;
1653 xpt_done(ccb);
1654 continue;
1655 }
1656
1657 /*
1658 * We're only handling ATPD_CCB_OUTSTANDING outstanding CCB at a time (one of which
1659 * could be split into two CTIOs to split data and status).
1660 */
1661 if (atp->ctcnt >= ATPD_CCB_OUTSTANDING) {
1662 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);
1663 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
1664 break;
1665 }
1666
1667 /*
1668 * Does the initiator expect FC-Tape style responses?
1669 */
1670 if ((atp->word3 & PRLI_WD3_RETRY) && fcp->fctape_enabled) {
1671 fctape = 1;
1672 } else {
1673 fctape = 0;
1674 }
1675
1676 /*
1677 * If we already did the data xfer portion of a CTIO that sends data
1678 * and status, don't do it again and do the status portion now.
1679 */
1680 if (atp->sendst) {
1681 isp_prt(isp, ISP_LOGTINFO, "[0x%x] now sending synthesized status orig_dl=%u xfered=%u bit=%u",
1682 cso->tag_id, atp->orig_datalen, atp->bytes_xfered, atp->bytes_in_transit);
1683 xfrlen = 0; /* we already did the data transfer */
1684 atp->sendst = 0;
1685 }
1686 if (ccb->ccb_h.flags & CAM_SEND_STATUS) {
1687 sendstatus = 1;
1688 } else {
1689 sendstatus = 0;
1690 }
1691
1692 if (ccb->ccb_h.flags & CAM_SEND_SENSE) {
1693 KASSERT((sendstatus != 0), ("how can you have CAM_SEND_SENSE w/o CAM_SEND_STATUS?"));
1694 /*
1695 * Sense length is not the entire sense data structure size. Periph
1696 * drivers don't seem to be setting sense_len to reflect the actual
1697 * size. We'll peek inside to get the right amount.
1698 */
1699 sense_length = cso->sense_len;
1700
1701 /*
1702 * This 'cannot' happen
1703 */
1704 if (sense_length > (XCMD_SIZE - MIN_FCP_RESPONSE_SIZE)) {
1705 sense_length = XCMD_SIZE - MIN_FCP_RESPONSE_SIZE;
1706 }
1707 } else {
1708 sense_length = 0;
1709 }
1710
1711 memset(local, 0, QENTRY_LEN);
1712
1713 /*
1714 * Check for overflow
1715 */
1716 tmp = atp->bytes_xfered + atp->bytes_in_transit + xfrlen;
1717 if (tmp > atp->orig_datalen) {
1718 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] data overflow by %u bytes", __func__, cso->tag_id, tmp - atp->orig_datalen);
1719 ccb->ccb_h.status = CAM_DATA_RUN_ERR;
1720 xpt_done(ccb);
1721 continue;
1722 }
1723
1724 if (IS_24XX(isp)) {
1725 ct7_entry_t *cto = (ct7_entry_t *) local;
1726
1727 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
1728 cto->ct_header.rqs_entry_count = 1;
1729 cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM;
1730 ATPD_SET_SEQNO(cto, atp);
1731 cto->ct_nphdl = atp->nphdl;
1732 cto->ct_rxid = atp->tag;
1733 cto->ct_iid_lo = atp->portid;
1734 cto->ct_iid_hi = atp->portid >> 16;
1735 cto->ct_oxid = atp->oxid;
1736 cto->ct_vpidx = ISP_GET_VPIDX(isp, XS_CHANNEL(ccb));
1737 cto->ct_timeout = 120;
1738 cto->ct_flags = atp->tattr << CT7_TASK_ATTR_SHIFT;
1739
1740 /*
1741 * Mode 1, status, no data. Only possible when we are sending status, have
1742 * no data to transfer, and any sense data can fit into a ct7_entry_t.
1743 *
1744 * Mode 2, status, no data. We have to use this in the case that
1745 * the sense data won't fit into a ct7_entry_t.
1746 *
1747 */
1748 if (sendstatus && xfrlen == 0) {
1749 cto->ct_flags |= CT7_SENDSTATUS | CT7_NO_DATA;
1750 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit;
1751 if (sense_length <= MAXRESPLEN_24XX) {
1752 if (resid < 0) {
1753 cto->ct_resid = -resid;
1754 } else if (resid > 0) {
1755 cto->ct_resid = resid;
1756 }
1757 cto->ct_flags |= CT7_FLAG_MODE1;
1758 cto->ct_scsi_status = cso->scsi_status;
1759 if (resid < 0) {
1760 cto->ct_scsi_status |= (FCP_RESID_OVERFLOW << 8);
1761 } else if (resid > 0) {
1762 cto->ct_scsi_status |= (FCP_RESID_UNDERFLOW << 8);
1763 }
1764 if (fctape) {
1765 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF;
1766 }
1767 if (sense_length) {
1768 cto->ct_scsi_status |= (FCP_SNSLEN_VALID << 8);
1769 cto->rsp.m1.ct_resplen = cto->ct_senselen = sense_length;
1770 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length);
1771 }
1772 } else {
1773 bus_addr_t addr;
1774 char buf[XCMD_SIZE];
1775 fcp_rsp_iu_t *rp;
1776
1777 if (atp->ests == NULL) {
1778 atp->ests = isp_get_ecmd(isp);
1779 if (atp->ests == NULL) {
1780 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
1781 break;
1782 }
1783 }
1784 memset(buf, 0, sizeof (buf));
1785 rp = (fcp_rsp_iu_t *)buf;
1786 if (fctape) {
1787 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF;
1788 rp->fcp_rsp_bits |= FCP_CONF_REQ;
1789 }
1790 cto->ct_flags |= CT7_FLAG_MODE2;
1791 rp->fcp_rsp_scsi_status = cso->scsi_status;
1792 if (resid < 0) {
1793 rp->fcp_rsp_resid = -resid;
1794 rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW;
1795 } else if (resid > 0) {
1796 rp->fcp_rsp_resid = resid;
1797 rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW;
1798 }
1799 if (sense_length) {
1800 rp->fcp_rsp_snslen = sense_length;
1801 cto->ct_senselen = sense_length;
1802 rp->fcp_rsp_bits |= FCP_SNSLEN_VALID;
1803 isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1804 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length);
1805 } else {
1806 isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1807 }
1808 if (isp->isp_dblev & ISP_LOGTDEBUG1) {
1809 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests);
1810 }
1811 addr = isp->isp_osinfo.ecmd_dma;
1812 addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE);
1813 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,
1814 (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length);
1815 cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length;
1816 cto->rsp.m2.ct_fcp_rsp_iudata.ds_base = DMA_LO32(addr);
1817 cto->rsp.m2.ct_fcp_rsp_iudata.ds_basehi = DMA_HI32(addr);
1818 cto->rsp.m2.ct_fcp_rsp_iudata.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length;
1819 }
1820 if (sense_length) {
1821 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__,
1822 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,
1823 cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]);
1824 } else {
1825 isp_prt(isp, ISP_LOGDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d", __func__,
1826 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, cto->ct_resid);
1827 }
1828 atp->state = ATPD_STATE_LAST_CTIO;
1829 }
1830
1831 /*
1832 * Mode 0 data transfers, *possibly* with status.
1833 */
1834 if (xfrlen != 0) {
1835 cto->ct_flags |= CT7_FLAG_MODE0;
1836 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1837 cto->ct_flags |= CT7_DATA_IN;
1838 } else {
1839 cto->ct_flags |= CT7_DATA_OUT;
1840 }
1841
1842 cto->rsp.m0.reloff = atp->bytes_xfered + atp->bytes_in_transit;
1843 cto->rsp.m0.ct_xfrlen = xfrlen;
1844
1845 #ifdef DEBUG
1846 if (ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame && xfrlen > ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame) {
1847 isp_prt(isp, ISP_LOGWARN, "%s: truncating data frame with xfrlen %d to %d", __func__, xfrlen, xfrlen - (xfrlen >> 2));
1848 ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame = 0;
1849 cto->rsp.m0.ct_xfrlen -= xfrlen >> 2;
1850 }
1851 #endif
1852 if (sendstatus) {
1853 resid = atp->orig_datalen - atp->bytes_xfered - xfrlen;
1854 if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /* && fctape == 0 */) {
1855 cto->ct_flags |= CT7_SENDSTATUS;
1856 atp->state = ATPD_STATE_LAST_CTIO;
1857 if (fctape) {
1858 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF;
1859 }
1860 } else {
1861 atp->sendst = 1; /* send status later */
1862 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM;
1863 atp->state = ATPD_STATE_CTIO;
1864 }
1865 } else {
1866 atp->state = ATPD_STATE_CTIO;
1867 }
1868 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__,
1869 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, xfrlen, atp->bytes_xfered);
1870 }
1871 } else if (IS_FC(isp)) {
1872 ct2_entry_t *cto = (ct2_entry_t *) local;
1873
1874 if (isp->isp_osinfo.sixtyfourbit)
1875 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO3;
1876 else
1877 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO2;
1878 cto->ct_header.rqs_entry_count = 1;
1879 cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM;
1880 ATPD_SET_SEQNO(cto, atp);
1881 if (ISP_CAP_2KLOGIN(isp) == 0) {
1882 ((ct2e_entry_t *)cto)->ct_iid = cso->init_id;
1883 } else {
1884 cto->ct_iid = cso->init_id;
1885 if (ISP_CAP_SCCFW(isp) == 0) {
1886 cto->ct_lun = ccb->ccb_h.target_lun;
1887 }
1888 }
1889 cto->ct_timeout = 10;
1890 cto->ct_rxid = cso->tag_id;
1891
1892 /*
1893 * Mode 1, status, no data. Only possible when we are sending status, have
1894 * no data to transfer, and the sense length can fit in the ct7_entry.
1895 *
1896 * Mode 2, status, no data. We have to use this in the case the response
1897 * length won't fit into a ct2_entry_t.
1898 *
1899 * We'll fill out this structure with information as if this were a
1900 * Mode 1. The hardware layer will create the Mode 2 FCP RSP IU as
1901 * needed based upon this.
1902 */
1903 if (sendstatus && xfrlen == 0) {
1904 cto->ct_flags |= CT2_SENDSTATUS | CT2_NO_DATA;
1905 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit;
1906 if (sense_length <= MAXRESPLEN) {
1907 if (resid < 0) {
1908 cto->ct_resid = -resid;
1909 } else if (resid > 0) {
1910 cto->ct_resid = resid;
1911 }
1912 cto->ct_flags |= CT2_FLAG_MODE1;
1913 cto->rsp.m1.ct_scsi_status = cso->scsi_status;
1914 if (resid < 0) {
1915 cto->rsp.m1.ct_scsi_status |= CT2_DATA_OVER;
1916 } else if (resid > 0) {
1917 cto->rsp.m1.ct_scsi_status |= CT2_DATA_UNDER;
1918 }
1919 if (fctape) {
1920 cto->ct_flags |= CT2_CONFIRM;
1921 }
1922 if (sense_length) {
1923 cto->rsp.m1.ct_scsi_status |= CT2_SNSLEN_VALID;
1924 cto->rsp.m1.ct_resplen = cto->rsp.m1.ct_senselen = sense_length;
1925 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length);
1926 }
1927 } else {
1928 bus_addr_t addr;
1929 char buf[XCMD_SIZE];
1930 fcp_rsp_iu_t *rp;
1931
1932 if (atp->ests == NULL) {
1933 atp->ests = isp_get_ecmd(isp);
1934 if (atp->ests == NULL) {
1935 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
1936 break;
1937 }
1938 }
1939 memset(buf, 0, sizeof (buf));
1940 rp = (fcp_rsp_iu_t *)buf;
1941 if (fctape) {
1942 cto->ct_flags |= CT2_CONFIRM;
1943 rp->fcp_rsp_bits |= FCP_CONF_REQ;
1944 }
1945 cto->ct_flags |= CT2_FLAG_MODE2;
1946 rp->fcp_rsp_scsi_status = cso->scsi_status;
1947 if (resid < 0) {
1948 rp->fcp_rsp_resid = -resid;
1949 rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW;
1950 } else if (resid > 0) {
1951 rp->fcp_rsp_resid = resid;
1952 rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW;
1953 }
1954 if (sense_length) {
1955 rp->fcp_rsp_snslen = sense_length;
1956 rp->fcp_rsp_bits |= FCP_SNSLEN_VALID;
1957 isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1958 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length);
1959 } else {
1960 isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1961 }
1962 if (isp->isp_dblev & ISP_LOGTDEBUG1) {
1963 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests);
1964 }
1965 addr = isp->isp_osinfo.ecmd_dma;
1966 addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE);
1967 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,
1968 (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length);
1969 cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length;
1970 if (isp->isp_osinfo.sixtyfourbit) {
1971 cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_base = DMA_LO32(addr);
1972 cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_basehi = DMA_HI32(addr);
1973 cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length;
1974 } else {
1975 cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_base = DMA_LO32(addr);
1976 cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length;
1977 }
1978 }
1979 if (sense_length) {
1980 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__,
1981 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid,
1982 cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]);
1983 } else {
1984 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,
1985 ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid);
1986 }
1987 atp->state = ATPD_STATE_LAST_CTIO;
1988 }
1989
1990 if (xfrlen != 0) {
1991 cto->ct_flags |= CT2_FLAG_MODE0;
1992 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1993 cto->ct_flags |= CT2_DATA_IN;
1994 } else {
1995 cto->ct_flags |= CT2_DATA_OUT;
1996 }
1997
1998 cto->ct_reloff = atp->bytes_xfered + atp->bytes_in_transit;
1999 cto->rsp.m0.ct_xfrlen = xfrlen;
2000
2001 if (sendstatus) {
2002 resid = atp->orig_datalen - atp->bytes_xfered - xfrlen;
2003 if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /*&& fctape == 0*/) {
2004 cto->ct_flags |= CT2_SENDSTATUS;
2005 atp->state = ATPD_STATE_LAST_CTIO;
2006 if (fctape) {
2007 cto->ct_flags |= CT2_CONFIRM;
2008 }
2009 } else {
2010 atp->sendst = 1; /* send status later */
2011 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM;
2012 atp->state = ATPD_STATE_CTIO;
2013 }
2014 } else {
2015 atp->state = ATPD_STATE_CTIO;
2016 }
2017 }
2018 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,
2019 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);
2020 } else {
2021 ct_entry_t *cto = (ct_entry_t *) local;
2022
2023 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO;
2024 cto->ct_header.rqs_entry_count = 1;
2025 cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM;
2026 ATPD_SET_SEQNO(cto, atp);
2027 cto->ct_iid = cso->init_id;
2028 cto->ct_iid |= XS_CHANNEL(ccb) << 7;
2029 cto->ct_tgt = ccb->ccb_h.target_id;
2030 cto->ct_lun = ccb->ccb_h.target_lun;
2031 cto->ct_fwhandle = cso->tag_id;
2032 if (atp->rxid) {
2033 cto->ct_tag_val = atp->rxid;
2034 cto->ct_flags |= CT_TQAE;
2035 }
2036 if (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) {
2037 cto->ct_flags |= CT_NODISC;
2038 }
2039 if (cso->dxfer_len == 0) {
2040 cto->ct_flags |= CT_NO_DATA;
2041 } else if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
2042 cto->ct_flags |= CT_DATA_IN;
2043 } else {
2044 cto->ct_flags |= CT_DATA_OUT;
2045 }
2046 if (ccb->ccb_h.flags & CAM_SEND_STATUS) {
2047 cto->ct_flags |= CT_SENDSTATUS|CT_CCINCR;
2048 cto->ct_scsi_status = cso->scsi_status;
2049 cto->ct_resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit - xfrlen;
2050 isp_prt(isp, ISP_LOGTDEBUG0, "%s: CTIO[%x] seq %u nc %d scsi status %x resid %d tag_id %x", __func__,
2051 cto->ct_fwhandle, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), cso->scsi_status, cso->resid, cso->tag_id);
2052 }
2053 ccb->ccb_h.flags &= ~CAM_SEND_SENSE;
2054 cto->ct_timeout = 10;
2055 }
2056
2057 if (isp_get_pcmd(isp, ccb)) {
2058 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "out of PCMDs\n");
2059 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
2060 break;
2061 }
2062 if (isp_allocate_xs_tgt(isp, ccb, &handle)) {
2063 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "No XFLIST pointers for %s\n", __func__);
2064 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
2065 isp_free_pcmd(isp, ccb);
2066 break;
2067 }
2068 atp->bytes_in_transit += xfrlen;
2069 PISP_PCMD(ccb)->datalen = xfrlen;
2070
2071
2072 /*
2073 * Call the dma setup routines for this entry (and any subsequent
2074 * CTIOs) if there's data to move, and then tell the f/w it's got
2075 * new things to play with. As with isp_start's usage of DMA setup,
2076 * any swizzling is done in the machine dependent layer. Because
2077 * of this, we put the request onto the queue area first in native
2078 * format.
2079 */
2080
2081 if (IS_24XX(isp)) {
2082 ct7_entry_t *cto = (ct7_entry_t *) local;
2083 cto->ct_syshandle = handle;
2084 } else if (IS_FC(isp)) {
2085 ct2_entry_t *cto = (ct2_entry_t *) local;
2086 cto->ct_syshandle = handle;
2087 } else {
2088 ct_entry_t *cto = (ct_entry_t *) local;
2089 cto->ct_syshandle = handle;
2090 }
2091
2092 dmaresult = ISP_DMASETUP(isp, cso, (ispreq_t *) local);
2093 if (dmaresult != CMD_QUEUED) {
2094 isp_destroy_tgt_handle(isp, handle);
2095 isp_free_pcmd(isp, ccb);
2096 if (dmaresult == CMD_EAGAIN) {
2097 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
2098 break;
2099 }
2100 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
2101 xpt_done(ccb);
2102 continue;
2103 }
2104 isp->isp_nactive++;
2105 ccb->ccb_h.status = CAM_REQ_INPROG | CAM_SIM_QUEUED;
2106 if (xfrlen) {
2107 ccb->ccb_h.spriv_field0 = atp->bytes_xfered;
2108 } else {
2109 ccb->ccb_h.spriv_field0 = ~0;
2110 }
2111 atp->ctcnt++;
2112 atp->seqno++;
2113 }
2114 rls_lun_statep(isp, tptr);
2115 }
2116
2117 static void
isp_refire_putback_atio(void * arg)2118 isp_refire_putback_atio(void *arg)
2119 {
2120 union ccb *ccb = arg;
2121 ispsoftc_t *isp = XS_ISP(ccb);
2122 ISP_LOCK(isp);
2123 isp_target_putback_atio(ccb);
2124 ISP_UNLOCK(isp);
2125 }
2126
2127 static void
isp_refire_notify_ack(void * arg)2128 isp_refire_notify_ack(void *arg)
2129 {
2130 isp_tna_t *tp = arg;
2131 ispsoftc_t *isp = tp->isp;
2132 ISP_LOCK(isp);
2133 if (isp_notify_ack(isp, tp->not)) {
2134 (void) timeout(isp_refire_notify_ack, tp, 5);
2135 } else {
2136 free(tp, M_DEVBUF);
2137 }
2138 ISP_UNLOCK(isp);
2139 }
2140
2141
2142 static void
isp_target_putback_atio(union ccb * ccb)2143 isp_target_putback_atio(union ccb *ccb)
2144 {
2145 ispsoftc_t *isp;
2146 struct ccb_scsiio *cso;
2147 void *qe;
2148
2149 isp = XS_ISP(ccb);
2150
2151 qe = isp_getrqentry(isp);
2152 if (qe == NULL) {
2153 xpt_print(ccb->ccb_h.path,
2154 "%s: Request Queue Overflow\n", __func__);
2155 (void) timeout(isp_refire_putback_atio, ccb, 10);
2156 return;
2157 }
2158 memset(qe, 0, QENTRY_LEN);
2159 cso = &ccb->csio;
2160 if (IS_FC(isp)) {
2161 at2_entry_t local, *at = &local;
2162 ISP_MEMZERO(at, sizeof (at2_entry_t));
2163 at->at_header.rqs_entry_type = RQSTYPE_ATIO2;
2164 at->at_header.rqs_entry_count = 1;
2165 if (ISP_CAP_SCCFW(isp)) {
2166 at->at_scclun = (uint16_t) ccb->ccb_h.target_lun;
2167 } else {
2168 at->at_lun = (uint8_t) ccb->ccb_h.target_lun;
2169 }
2170 at->at_status = CT_OK;
2171 at->at_rxid = cso->tag_id;
2172 at->at_iid = cso->ccb_h.target_id;
2173 isp_put_atio2(isp, at, qe);
2174 } else {
2175 at_entry_t local, *at = &local;
2176 ISP_MEMZERO(at, sizeof (at_entry_t));
2177 at->at_header.rqs_entry_type = RQSTYPE_ATIO;
2178 at->at_header.rqs_entry_count = 1;
2179 at->at_iid = cso->init_id;
2180 at->at_iid |= XS_CHANNEL(ccb) << 7;
2181 at->at_tgt = cso->ccb_h.target_id;
2182 at->at_lun = cso->ccb_h.target_lun;
2183 at->at_status = CT_OK;
2184 at->at_tag_val = AT_GET_TAG(cso->tag_id);
2185 at->at_handle = AT_GET_HANDLE(cso->tag_id);
2186 isp_put_atio(isp, at, qe);
2187 }
2188 ISP_TDQE(isp, "isp_target_putback_atio", isp->isp_reqidx, qe);
2189 ISP_SYNC_REQUEST(isp);
2190 isp_complete_ctio(ccb);
2191 }
2192
2193 static void
isp_complete_ctio(union ccb * ccb)2194 isp_complete_ctio(union ccb *ccb)
2195 {
2196 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) {
2197 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
2198 xpt_done(ccb);
2199 }
2200 }
2201
2202 /*
2203 * Handle ATIO stuff that the generic code can't.
2204 * This means handling CDBs.
2205 */
2206
2207 static void
isp_handle_platform_atio(ispsoftc_t * isp,at_entry_t * aep)2208 isp_handle_platform_atio(ispsoftc_t *isp, at_entry_t *aep)
2209 {
2210 tstate_t *tptr;
2211 int status, bus;
2212 struct ccb_accept_tio *atiop;
2213 atio_private_data_t *atp;
2214
2215 /*
2216 * The firmware status (except for the QLTM_SVALID bit)
2217 * indicates why this ATIO was sent to us.
2218 *
2219 * If QLTM_SVALID is set, the firmware has recommended Sense Data.
2220 *
2221 * If the DISCONNECTS DISABLED bit is set in the flags field,
2222 * we're still connected on the SCSI bus.
2223 */
2224 status = aep->at_status;
2225 if ((status & ~QLTM_SVALID) == AT_PHASE_ERROR) {
2226 /*
2227 * Bus Phase Sequence error. We should have sense data
2228 * suggested by the f/w. I'm not sure quite yet what
2229 * to do about this for CAM.
2230 */
2231 isp_prt(isp, ISP_LOGWARN, "PHASE ERROR");
2232 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
2233 return;
2234 }
2235 if ((status & ~QLTM_SVALID) != AT_CDB) {
2236 isp_prt(isp, ISP_LOGWARN, "bad atio (0x%x) leaked to platform", status);
2237 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
2238 return;
2239 }
2240
2241 bus = GET_BUS_VAL(aep->at_iid);
2242 tptr = get_lun_statep(isp, bus, aep->at_lun);
2243 if (tptr == NULL) {
2244 tptr = get_lun_statep(isp, bus, CAM_LUN_WILDCARD);
2245 if (tptr == NULL) {
2246 /*
2247 * Because we can't autofeed sense data back with
2248 * a command for parallel SCSI, we can't give back
2249 * a CHECK CONDITION. We'll give back a BUSY status
2250 * instead. This works out okay because the only
2251 * time we should, in fact, get this, is in the
2252 * case that somebody configured us without the
2253 * blackhole driver, so they get what they deserve.
2254 */
2255 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
2256 return;
2257 }
2258 }
2259
2260 atp = isp_get_atpd(isp, tptr, aep->at_handle);
2261 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
2262 if (atiop == NULL || atp == NULL) {
2263 /*
2264 * Because we can't autofeed sense data back with
2265 * a command for parallel SCSI, we can't give back
2266 * a CHECK CONDITION. We'll give back a QUEUE FULL status
2267 * instead. This works out okay because the only time we
2268 * should, in fact, get this, is in the case that we've
2269 * run out of ATIOS.
2270 */
2271 xpt_print(tptr->owner, "no %s for lun %d from initiator %d\n", (atp == NULL && atiop == NULL)? "ATIOs *or* ATPS" :
2272 ((atp == NULL)? "ATPs" : "ATIOs"), aep->at_lun, aep->at_iid);
2273 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
2274 if (atp) {
2275 isp_put_atpd(isp, tptr, atp);
2276 }
2277 rls_lun_statep(isp, tptr);
2278 return;
2279 }
2280 atp->rxid = aep->at_tag_val;
2281 atp->state = ATPD_STATE_ATIO;
2282 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
2283 tptr->atio_count--;
2284 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO count now %d\n", tptr->atio_count);
2285 atiop->ccb_h.target_id = aep->at_tgt;
2286 atiop->ccb_h.target_lun = aep->at_lun;
2287 if (aep->at_flags & AT_NODISC) {
2288 atiop->ccb_h.flags |= CAM_DIS_DISCONNECT;
2289 } else {
2290 atiop->ccb_h.flags &= ~CAM_DIS_DISCONNECT;
2291 }
2292
2293 if (status & QLTM_SVALID) {
2294 size_t amt = ISP_MIN(QLTM_SENSELEN, sizeof (atiop->sense_data));
2295 atiop->sense_len = amt;
2296 ISP_MEMCPY(&atiop->sense_data, aep->at_sense, amt);
2297 } else {
2298 atiop->sense_len = 0;
2299 }
2300
2301 atiop->init_id = GET_IID_VAL(aep->at_iid);
2302 atiop->cdb_len = aep->at_cdblen;
2303 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, aep->at_cdblen);
2304 atiop->ccb_h.status = CAM_CDB_RECVD;
2305 /*
2306 * Construct a tag 'id' based upon tag value (which may be 0..255)
2307 * and the handle (which we have to preserve).
2308 */
2309 atiop->tag_id = atp->tag;
2310 if (aep->at_flags & AT_TQAE) {
2311 atiop->tag_action = aep->at_tag_type;
2312 atiop->ccb_h.status |= CAM_TAG_ACTION_VALID;
2313 }
2314 atp->orig_datalen = 0;
2315 atp->bytes_xfered = 0;
2316 atp->lun = aep->at_lun;
2317 atp->nphdl = aep->at_iid;
2318 atp->portid = PORT_NONE;
2319 atp->oxid = 0;
2320 atp->cdb0 = atiop->cdb_io.cdb_bytes[0];
2321 atp->tattr = aep->at_tag_type;
2322 atp->state = ATPD_STATE_CAM;
2323 isp_prt(isp, ISP_LOGTDEBUG0, "ATIO[0x%x] CDB=0x%x lun %d", aep->at_tag_val, atp->cdb0, atp->lun);
2324 rls_lun_statep(isp, tptr);
2325 }
2326
2327 static void
isp_handle_platform_atio2(ispsoftc_t * isp,at2_entry_t * aep)2328 isp_handle_platform_atio2(ispsoftc_t *isp, at2_entry_t *aep)
2329 {
2330 lun_id_t lun;
2331 fcportdb_t *lp;
2332 tstate_t *tptr;
2333 struct ccb_accept_tio *atiop;
2334 uint16_t nphdl;
2335 atio_private_data_t *atp;
2336 inot_private_data_t *ntp;
2337
2338 /*
2339 * The firmware status (except for the QLTM_SVALID bit)
2340 * indicates why this ATIO was sent to us.
2341 *
2342 * If QLTM_SVALID is set, the firmware has recommended Sense Data.
2343 */
2344 if ((aep->at_status & ~QLTM_SVALID) != AT_CDB) {
2345 isp_prt(isp, ISP_LOGWARN, "bogus atio (0x%x) leaked to platform", aep->at_status);
2346 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
2347 return;
2348 }
2349
2350 if (ISP_CAP_SCCFW(isp)) {
2351 lun = aep->at_scclun;
2352 } else {
2353 lun = aep->at_lun;
2354 }
2355 if (ISP_CAP_2KLOGIN(isp)) {
2356 nphdl = ((at2e_entry_t *)aep)->at_iid;
2357 } else {
2358 nphdl = aep->at_iid;
2359 }
2360 tptr = get_lun_statep(isp, 0, lun);
2361 if (tptr == NULL) {
2362 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD);
2363 if (tptr == NULL) {
2364 isp_prt(isp, ISP_LOGWARN, "%s: [0x%x] no state pointer for lun %d or wildcard", __func__, aep->at_rxid, lun);
2365 if (lun == 0) {
2366 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
2367 } else {
2368 isp_endcmd(isp, aep, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0);
2369 }
2370 return;
2371 }
2372 }
2373
2374 /*
2375 * Start any commands pending resources first.
2376 */
2377 if (tptr->restart_queue) {
2378 inot_private_data_t *restart_queue = tptr->restart_queue;
2379 tptr->restart_queue = NULL;
2380 while (restart_queue) {
2381 ntp = restart_queue;
2382 restart_queue = ntp->rd.nt.nt_hba;
2383 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at2_entry_t *)ntp->rd.data)->at_rxid);
2384 isp_handle_platform_atio2(isp, (at2_entry_t *) ntp->rd.data);
2385 isp_put_ntpd(isp, tptr, ntp);
2386 /*
2387 * If a recursion caused the restart queue to start to fill again,
2388 * stop and splice the new list on top of the old list and restore
2389 * it and go to noresrc.
2390 */
2391 if (tptr->restart_queue) {
2392 ntp = tptr->restart_queue;
2393 tptr->restart_queue = restart_queue;
2394 while (restart_queue->rd.nt.nt_hba) {
2395 restart_queue = restart_queue->rd.nt.nt_hba;
2396 }
2397 restart_queue->rd.nt.nt_hba = ntp;
2398 goto noresrc;
2399 }
2400 }
2401 }
2402
2403 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
2404 if (atiop == NULL) {
2405 goto noresrc;
2406 }
2407
2408 atp = isp_get_atpd(isp, tptr, aep->at_rxid);
2409 if (atp == NULL) {
2410 goto noresrc;
2411 }
2412
2413 atp->state = ATPD_STATE_ATIO;
2414 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
2415 tptr->atio_count--;
2416 isp_prt(isp, ISP_LOGTDEBUG2, "Take FREE ATIO count now %d", tptr->atio_count);
2417 atiop->ccb_h.target_id = FCPARAM(isp, 0)->isp_loopid;
2418 atiop->ccb_h.target_lun = lun;
2419
2420 /*
2421 * We don't get 'suggested' sense data as we do with SCSI cards.
2422 */
2423 atiop->sense_len = 0;
2424 if (ISP_CAP_2KLOGIN(isp)) {
2425 /*
2426 * NB: We could not possibly have 2K logins if we
2427 * NB: also did not have SCC FW.
2428 */
2429 atiop->init_id = ((at2e_entry_t *)aep)->at_iid;
2430 } else {
2431 atiop->init_id = aep->at_iid;
2432 }
2433
2434 /*
2435 * If we're not in the port database, add ourselves.
2436 */
2437 if (!IS_2100(isp) && isp_find_pdb_by_loopid(isp, 0, atiop->init_id, &lp) == 0) {
2438 uint64_t iid =
2439 (((uint64_t) aep->at_wwpn[0]) << 48) |
2440 (((uint64_t) aep->at_wwpn[1]) << 32) |
2441 (((uint64_t) aep->at_wwpn[2]) << 16) |
2442 (((uint64_t) aep->at_wwpn[3]) << 0);
2443 /*
2444 * However, make sure we delete ourselves if otherwise
2445 * we were there but at a different loop id.
2446 */
2447 if (isp_find_pdb_by_wwn(isp, 0, iid, &lp)) {
2448 isp_del_wwn_entry(isp, 0, iid, lp->handle, lp->portid);
2449 }
2450 isp_add_wwn_entry(isp, 0, iid, atiop->init_id, PORT_ANY, 0);
2451 }
2452 atiop->cdb_len = ATIO2_CDBLEN;
2453 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, ATIO2_CDBLEN);
2454 atiop->ccb_h.status = CAM_CDB_RECVD;
2455 atiop->tag_id = atp->tag;
2456 switch (aep->at_taskflags & ATIO2_TC_ATTR_MASK) {
2457 case ATIO2_TC_ATTR_SIMPLEQ:
2458 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
2459 atiop->tag_action = MSG_SIMPLE_Q_TAG;
2460 break;
2461 case ATIO2_TC_ATTR_HEADOFQ:
2462 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
2463 atiop->tag_action = MSG_HEAD_OF_Q_TAG;
2464 break;
2465 case ATIO2_TC_ATTR_ORDERED:
2466 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
2467 atiop->tag_action = MSG_ORDERED_Q_TAG;
2468 break;
2469 case ATIO2_TC_ATTR_ACAQ: /* ?? */
2470 case ATIO2_TC_ATTR_UNTAGGED:
2471 default:
2472 atiop->tag_action = 0;
2473 break;
2474 }
2475
2476 atp->orig_datalen = aep->at_datalen;
2477 atp->bytes_xfered = 0;
2478 atp->lun = lun;
2479 atp->nphdl = atiop->init_id;
2480 atp->sid = PORT_ANY;
2481 atp->oxid = aep->at_oxid;
2482 atp->cdb0 = aep->at_cdb[0];
2483 atp->tattr = aep->at_taskflags & ATIO2_TC_ATTR_MASK;
2484 atp->state = ATPD_STATE_CAM;
2485 xpt_done((union ccb *)atiop);
2486 isp_prt(isp, ISP_LOGTDEBUG0, "ATIO2[0x%x] CDB=0x%x lun %d datalen %u", aep->at_rxid, atp->cdb0, lun, atp->orig_datalen);
2487 rls_lun_statep(isp, tptr);
2488 return;
2489 noresrc:
2490 ntp = isp_get_ntpd(isp, tptr);
2491 if (ntp == NULL) {
2492 rls_lun_statep(isp, tptr);
2493 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_BUSY, 0);
2494 return;
2495 }
2496 memcpy(ntp->rd.data, aep, QENTRY_LEN);
2497 ntp->rd.nt.nt_hba = tptr->restart_queue;
2498 tptr->restart_queue = ntp;
2499 rls_lun_statep(isp, tptr);
2500 }
2501
2502 static void
isp_handle_platform_atio7(ispsoftc_t * isp,at7_entry_t * aep)2503 isp_handle_platform_atio7(ispsoftc_t *isp, at7_entry_t *aep)
2504 {
2505 int cdbxlen;
2506 uint16_t lun, chan, nphdl = NIL_HANDLE;
2507 uint32_t did, sid;
2508 uint64_t wwn = INI_NONE;
2509 fcportdb_t *lp;
2510 tstate_t *tptr;
2511 struct ccb_accept_tio *atiop;
2512 atio_private_data_t *atp = NULL;
2513 atio_private_data_t *oatp;
2514 inot_private_data_t *ntp;
2515
2516 did = (aep->at_hdr.d_id[0] << 16) | (aep->at_hdr.d_id[1] << 8) | aep->at_hdr.d_id[2];
2517 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2];
2518 lun = (aep->at_cmnd.fcp_cmnd_lun[0] << 8) | aep->at_cmnd.fcp_cmnd_lun[1];
2519
2520 /*
2521 * Find the N-port handle, and Virtual Port Index for this command.
2522 *
2523 * If we can't, we're somewhat in trouble because we can't actually respond w/o that information.
2524 * We also, as a matter of course, need to know the WWN of the initiator too.
2525 */
2526 if (ISP_CAP_MULTI_ID(isp)) {
2527 /*
2528 * Find the right channel based upon D_ID
2529 */
2530 isp_find_chan_by_did(isp, did, &chan);
2531
2532 if (chan == ISP_NOCHAN) {
2533 NANOTIME_T now;
2534
2535 /*
2536 * If we don't recognizer our own D_DID, terminate the exchange, unless we're within 2 seconds of startup
2537 * It's a bit tricky here as we need to stash this command *somewhere*.
2538 */
2539 GET_NANOTIME(&now);
2540 if (NANOTIME_SUB(&isp->isp_init_time, &now) > 2000000000ULL) {
2541 isp_prt(isp, ISP_LOGWARN, "%s: [RX_ID 0x%x] D_ID %x not found on any channel- dropping", __func__, aep->at_rxid, did);
2542 isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, ECMD_TERMINATE, 0);
2543 return;
2544 }
2545 tptr = get_lun_statep(isp, 0, 0);
2546 if (tptr == NULL) {
2547 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD);
2548 if (tptr == NULL) {
2549 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);
2550 isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, ECMD_TERMINATE, 0);
2551 return;
2552 }
2553 }
2554 isp_prt(isp, ISP_LOGWARN, "%s: [RX_ID 0x%x] D_ID %x not found on any channel- deferring", __func__, aep->at_rxid, did);
2555 goto noresrc;
2556 }
2557 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);
2558 } else {
2559 chan = 0;
2560 }
2561
2562 /*
2563 * Find the PDB entry for this initiator
2564 */
2565 if (isp_find_pdb_by_sid(isp, chan, sid, &lp) == 0) {
2566 /*
2567 * If we're not in the port database terminate the exchange.
2568 */
2569 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",
2570 __func__, aep->at_rxid, did, chan, sid);
2571 isp_endcmd(isp, aep, NIL_HANDLE, chan, ECMD_TERMINATE, 0);
2572 return;
2573 }
2574 nphdl = lp->handle;
2575 wwn = lp->port_wwn;
2576
2577 /*
2578 * Get the tstate pointer
2579 */
2580 tptr = get_lun_statep(isp, chan, lun);
2581 if (tptr == NULL) {
2582 tptr = get_lun_statep(isp, chan, CAM_LUN_WILDCARD);
2583 if (tptr == NULL) {
2584 isp_prt(isp, ISP_LOGWARN, "%s: [0x%x] no state pointer for lun %d or wildcard", __func__, aep->at_rxid, lun);
2585 if (lun == 0) {
2586 isp_endcmd(isp, aep, nphdl, SCSI_STATUS_BUSY, 0);
2587 } else {
2588 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0);
2589 }
2590 return;
2591 }
2592 }
2593
2594 /*
2595 * Start any commands pending resources first.
2596 */
2597 if (tptr->restart_queue) {
2598 inot_private_data_t *restart_queue = tptr->restart_queue;
2599 tptr->restart_queue = NULL;
2600 while (restart_queue) {
2601 ntp = restart_queue;
2602 restart_queue = ntp->rd.nt.nt_hba;
2603 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at7_entry_t *)ntp->rd.data)->at_rxid);
2604 isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->rd.data);
2605 isp_put_ntpd(isp, tptr, ntp);
2606 /*
2607 * If a recursion caused the restart queue to start to fill again,
2608 * stop and splice the new list on top of the old list and restore
2609 * it and go to noresrc.
2610 */
2611 if (tptr->restart_queue) {
2612 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restart queue refilling", __func__);
2613 if (restart_queue) {
2614 ntp = tptr->restart_queue;
2615 tptr->restart_queue = restart_queue;
2616 while (restart_queue->rd.nt.nt_hba) {
2617 restart_queue = restart_queue->rd.nt.nt_hba;
2618 }
2619 restart_queue->rd.nt.nt_hba = ntp;
2620 }
2621 goto noresrc;
2622 }
2623 }
2624 }
2625
2626 /*
2627 * If the f/w is out of resources, just send a BUSY status back.
2628 */
2629 if (aep->at_rxid == AT7_NORESRC_RXID) {
2630 rls_lun_statep(isp, tptr);
2631 isp_endcmd(isp, aep, nphdl, chan, SCSI_BUSY, 0);
2632 return;
2633 }
2634
2635 /*
2636 * If we're out of resources, just send a BUSY status back.
2637 */
2638 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
2639 if (atiop == NULL) {
2640 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atios", aep->at_rxid);
2641 goto noresrc;
2642 }
2643
2644 oatp = isp_find_atpd(isp, tptr, aep->at_rxid);
2645 if (oatp) {
2646 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",
2647 aep->at_rxid, nphdl, sid, aep->at_hdr.ox_id, oatp->state);
2648 /*
2649 * It's not a "no resource" condition- but we can treat it like one
2650 */
2651 goto noresrc;
2652 }
2653 atp = isp_get_atpd(isp, tptr, aep->at_rxid);
2654 if (atp == NULL) {
2655 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atps", aep->at_rxid);
2656 goto noresrc;
2657 }
2658 atp->word3 = lp->prli_word3;
2659 atp->state = ATPD_STATE_ATIO;
2660 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
2661 tptr->atio_count--;
2662 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO count now %d\n", tptr->atio_count);
2663 atiop->init_id = nphdl;
2664 atiop->ccb_h.target_id = FCPARAM(isp, chan)->isp_loopid;
2665 atiop->ccb_h.target_lun = lun;
2666 atiop->sense_len = 0;
2667 cdbxlen = aep->at_cmnd.fcp_cmnd_alen_datadir >> FCP_CMND_ADDTL_CDBLEN_SHIFT;
2668 if (cdbxlen) {
2669 isp_prt(isp, ISP_LOGWARN, "additional CDBLEN ignored");
2670 }
2671 cdbxlen = sizeof (aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb);
2672 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb, cdbxlen);
2673 atiop->cdb_len = cdbxlen;
2674 atiop->ccb_h.status = CAM_CDB_RECVD;
2675 atiop->tag_id = atp->tag;
2676 switch (aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK) {
2677 case FCP_CMND_TASK_ATTR_SIMPLE:
2678 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
2679 atiop->tag_action = MSG_SIMPLE_Q_TAG;
2680 break;
2681 case FCP_CMND_TASK_ATTR_HEAD:
2682 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
2683 atiop->tag_action = MSG_HEAD_OF_Q_TAG;
2684 break;
2685 case FCP_CMND_TASK_ATTR_ORDERED:
2686 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
2687 atiop->tag_action = MSG_ORDERED_Q_TAG;
2688 break;
2689 default:
2690 /* FALLTHROUGH */
2691 case FCP_CMND_TASK_ATTR_ACA:
2692 case FCP_CMND_TASK_ATTR_UNTAGGED:
2693 atiop->tag_action = 0;
2694 break;
2695 }
2696 atp->orig_datalen = aep->at_cmnd.cdb_dl.sf.fcp_cmnd_dl;
2697 atp->bytes_xfered = 0;
2698 atp->lun = lun;
2699 atp->nphdl = nphdl;
2700 atp->portid = sid;
2701 atp->oxid = aep->at_hdr.ox_id;
2702 atp->rxid = aep->at_hdr.rx_id;
2703 atp->cdb0 = atiop->cdb_io.cdb_bytes[0];
2704 atp->tattr = aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK;
2705 atp->state = ATPD_STATE_CAM;
2706 isp_prt(isp, ISP_LOGTDEBUG0, "ATIO7[0x%x] CDB=0x%x lun %d datalen %u", aep->at_rxid, atp->cdb0, lun, atp->orig_datalen);
2707 xpt_done((union ccb *)atiop);
2708 rls_lun_statep(isp, tptr);
2709 return;
2710 noresrc:
2711 if (atp) {
2712 isp_put_atpd(isp, tptr, atp);
2713 }
2714 ntp = isp_get_ntpd(isp, tptr);
2715 if (ntp == NULL) {
2716 rls_lun_statep(isp, tptr);
2717 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0);
2718 return;
2719 }
2720 memcpy(ntp->rd.data, aep, QENTRY_LEN);
2721 ntp->rd.nt.nt_hba = tptr->restart_queue;
2722 tptr->restart_queue = ntp;
2723 rls_lun_statep(isp, tptr);
2724 }
2725
2726
2727 /*
2728 * Handle starting an SRR (sequence retransmit request)
2729 * We get here when we've gotten the immediate notify
2730 * and the return of all outstanding CTIOs for this
2731 * transaction.
2732 */
2733 static void
isp_handle_srr_start(ispsoftc_t * isp,tstate_t * tptr,atio_private_data_t * atp)2734 isp_handle_srr_start(ispsoftc_t *isp, tstate_t *tptr, atio_private_data_t *atp)
2735 {
2736 in_fcentry_24xx_t *inot;
2737 uint32_t srr_off, ccb_off, ccb_len, ccb_end;
2738 union ccb *ccb;
2739
2740 inot = (in_fcentry_24xx_t *)atp->srr;
2741 srr_off = inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16);
2742 ccb = atp->srr_ccb;
2743 atp->srr_ccb = NULL;
2744 atp->nsrr++;
2745 if (ccb == NULL) {
2746 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] null ccb", atp->tag);
2747 goto fail;
2748 }
2749
2750 ccb_off = ccb->ccb_h.spriv_field0;
2751 ccb_len = ccb->csio.dxfer_len;
2752 ccb_end = (ccb_off == ~0)? ~0 : ccb_off + ccb_len;
2753
2754 switch (inot->in_srr_iu) {
2755 case R_CTL_INFO_SOLICITED_DATA:
2756 /*
2757 * We have to restart a FCP_DATA data out transaction
2758 */
2759 atp->sendst = 0;
2760 atp->bytes_xfered = srr_off;
2761 if (ccb_len == 0) {
2762 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x but current CCB doesn't transfer data", atp->tag, srr_off);
2763 goto mdp;
2764 }
2765 if (srr_off < ccb_off || ccb_off > srr_off + ccb_len) {
2766 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);
2767 goto mdp;
2768 }
2769 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);
2770 break;
2771 case R_CTL_INFO_COMMAND_STATUS:
2772 isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] Got an FCP RSP SRR- resending status", atp->tag);
2773 atp->sendst = 1;
2774 /*
2775 * We have to restart a FCP_RSP IU transaction
2776 */
2777 break;
2778 case R_CTL_INFO_DATA_DESCRIPTOR:
2779 /*
2780 * We have to restart an FCP DATA in transaction
2781 */
2782 isp_prt(isp, ISP_LOGWARN, "Got an FCP DATA IN SRR- dropping");
2783 goto fail;
2784
2785 default:
2786 isp_prt(isp, ISP_LOGWARN, "Got an unknown information (%x) SRR- dropping", inot->in_srr_iu);
2787 goto fail;
2788 }
2789
2790 /*
2791 * We can't do anything until this is acked, so we might as well start it now.
2792 * We aren't going to do the usual asynchronous ack issue because we need
2793 * to make sure this gets on the wire first.
2794 */
2795 if (isp_notify_ack(isp, inot)) {
2796 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose");
2797 goto fail;
2798 }
2799 isp_target_start_ctio(isp, ccb, FROM_SRR);
2800 return;
2801 fail:
2802 inot->in_reserved = 1;
2803 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2804 ccb->ccb_h.status &= ~CAM_STATUS_MASK;
2805 ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
2806 isp_complete_ctio(ccb);
2807 return;
2808 mdp:
2809 if (isp_notify_ack(isp, inot)) {
2810 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose");
2811 goto fail;
2812 }
2813 ccb->ccb_h.status &= ~CAM_STATUS_MASK;
2814 ccb->ccb_h.status = CAM_MESSAGE_RECV;
2815 /*
2816 * This is not a strict interpretation of MDP, but it's close
2817 */
2818 ccb->csio.msg_ptr = &ccb->csio.sense_data.sense_buf[SSD_FULL_SIZE - 16];
2819 ccb->csio.msg_len = 7;
2820 ccb->csio.msg_ptr[0] = MSG_EXTENDED;
2821 ccb->csio.msg_ptr[1] = 5;
2822 ccb->csio.msg_ptr[2] = 0; /* modify data pointer */
2823 ccb->csio.msg_ptr[3] = srr_off >> 24;
2824 ccb->csio.msg_ptr[4] = srr_off >> 16;
2825 ccb->csio.msg_ptr[5] = srr_off >> 8;
2826 ccb->csio.msg_ptr[6] = srr_off;
2827 isp_complete_ctio(ccb);
2828 }
2829
2830
2831 static void
isp_handle_srr_notify(ispsoftc_t * isp,void * inot_raw)2832 isp_handle_srr_notify(ispsoftc_t *isp, void *inot_raw)
2833 {
2834 tstate_t *tptr;
2835 in_fcentry_24xx_t *inot = inot_raw;
2836 atio_private_data_t *atp;
2837 uint32_t tag = inot->in_rxid;
2838 uint32_t bus = inot->in_vpidx;
2839
2840 if (!IS_24XX(isp)) {
2841 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot_raw);
2842 return;
2843 }
2844
2845 tptr = get_lun_statep_from_tag(isp, bus, tag);
2846 if (tptr == NULL) {
2847 isp_prt(isp, ISP_LOGERR, "%s: cannot find tptr for tag %x in SRR Notify", __func__, tag);
2848 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2849 return;
2850 }
2851 atp = isp_find_atpd(isp, tptr, tag);
2852 if (atp == NULL) {
2853 rls_lun_statep(isp, tptr);
2854 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x in SRR Notify", __func__, tag);
2855 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2856 return;
2857 }
2858 atp->srr_notify_rcvd = 1;
2859 memcpy(atp->srr, inot, sizeof (atp->srr));
2860 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,
2861 inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16));
2862 if (atp->srr_ccb)
2863 isp_handle_srr_start(isp, tptr, atp);
2864 rls_lun_statep(isp, tptr);
2865 }
2866
2867 static void
isp_handle_platform_ctio(ispsoftc_t * isp,void * arg)2868 isp_handle_platform_ctio(ispsoftc_t *isp, void *arg)
2869 {
2870 union ccb *ccb;
2871 int sentstatus = 0, ok = 0, notify_cam = 0, resid = 0, failure = 0;
2872 tstate_t *tptr = NULL;
2873 atio_private_data_t *atp = NULL;
2874 int bus;
2875 uint32_t handle, moved_data = 0, data_requested;
2876
2877 /*
2878 * CTIO handles are 16 bits.
2879 * CTIO2 and CTIO7 are 32 bits.
2880 */
2881
2882 if (IS_SCSI(isp)) {
2883 handle = ((ct_entry_t *)arg)->ct_syshandle;
2884 } else {
2885 handle = ((ct2_entry_t *)arg)->ct_syshandle;
2886 }
2887 ccb = isp_find_xs_tgt(isp, handle);
2888 if (ccb == NULL) {
2889 isp_print_bytes(isp, "null ccb in isp_handle_platform_ctio", QENTRY_LEN, arg);
2890 return;
2891 }
2892 isp_destroy_tgt_handle(isp, handle);
2893 data_requested = PISP_PCMD(ccb)->datalen;
2894 isp_free_pcmd(isp, ccb);
2895 if (isp->isp_nactive) {
2896 isp->isp_nactive--;
2897 }
2898
2899 bus = XS_CHANNEL(ccb);
2900 tptr = get_lun_statep(isp, bus, XS_LUN(ccb));
2901 if (tptr == NULL) {
2902 tptr = get_lun_statep(isp, bus, CAM_LUN_WILDCARD);
2903 }
2904 if (tptr == NULL) {
2905 isp_prt(isp, ISP_LOGERR, "%s: cannot find tptr for tag %x after I/O", __func__, ccb->csio.tag_id);
2906 return;
2907 }
2908
2909 if (IS_24XX(isp)) {
2910 atp = isp_find_atpd(isp, tptr, ((ct7_entry_t *)arg)->ct_rxid);
2911 } else if (IS_FC(isp)) {
2912 atp = isp_find_atpd(isp, tptr, ((ct2_entry_t *)arg)->ct_rxid);
2913 } else {
2914 atp = isp_find_atpd(isp, tptr, ((ct_entry_t *)arg)->ct_fwhandle);
2915 }
2916 if (atp == NULL) {
2917 rls_lun_statep(isp, tptr);
2918 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x after I/O", __func__, ccb->csio.tag_id);
2919 return;
2920 }
2921 KASSERT((atp->ctcnt > 0), ("ctio count not greater than zero"));
2922 atp->bytes_in_transit -= data_requested;
2923 atp->ctcnt -= 1;
2924 ccb->ccb_h.status &= ~CAM_STATUS_MASK;
2925
2926 if (IS_24XX(isp)) {
2927 ct7_entry_t *ct = arg;
2928
2929 if (ct->ct_nphdl == CT7_SRR) {
2930 atp->srr_ccb = ccb;
2931 if (atp->srr_notify_rcvd)
2932 isp_handle_srr_start(isp, tptr, atp);
2933 rls_lun_statep(isp, tptr);
2934 return;
2935 }
2936 if (ct->ct_nphdl == CT_HBA_RESET) {
2937 failure = CAM_UNREC_HBA_ERROR;
2938 } else {
2939 sentstatus = ct->ct_flags & CT7_SENDSTATUS;
2940 ok = (ct->ct_nphdl == CT7_OK);
2941 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0;
2942 if ((ct->ct_flags & CT7_DATAMASK) != CT7_NO_DATA) {
2943 resid = ct->ct_resid;
2944 moved_data = data_requested - resid;
2945 }
2946 }
2947 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),
2948 notify_cam, ct->ct_nphdl, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID");
2949 } else if (IS_FC(isp)) {
2950 ct2_entry_t *ct = arg;
2951 if (ct->ct_status == CT_SRR) {
2952 atp->srr_ccb = ccb;
2953 if (atp->srr_notify_rcvd)
2954 isp_handle_srr_start(isp, tptr, atp);
2955 rls_lun_statep(isp, tptr);
2956 isp_target_putback_atio(ccb);
2957 return;
2958 }
2959 if (ct->ct_status == CT_HBA_RESET) {
2960 failure = CAM_UNREC_HBA_ERROR;
2961 } else {
2962 sentstatus = ct->ct_flags & CT2_SENDSTATUS;
2963 ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK;
2964 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0;
2965 if ((ct->ct_flags & CT2_DATAMASK) != CT2_NO_DATA) {
2966 resid = ct->ct_resid;
2967 moved_data = data_requested - resid;
2968 }
2969 }
2970 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),
2971 notify_cam, ct->ct_status, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID");
2972 } else {
2973 ct_entry_t *ct = arg;
2974
2975 if (ct->ct_status == (CT_HBA_RESET & 0xff)) {
2976 failure = CAM_UNREC_HBA_ERROR;
2977 } else {
2978 sentstatus = ct->ct_flags & CT_SENDSTATUS;
2979 ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK;
2980 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0;
2981 }
2982 if ((ct->ct_flags & CT_DATAMASK) != CT_NO_DATA) {
2983 resid = ct->ct_resid;
2984 moved_data = data_requested - resid;
2985 }
2986 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),
2987 notify_cam, ct->ct_tag_val, ct->ct_iid, ct->ct_lun, ct->ct_status, ct->ct_flags, resid, sentstatus? "FIN" : "MID");
2988 }
2989 if (ok) {
2990 if (moved_data) {
2991 atp->bytes_xfered += moved_data;
2992 ccb->csio.resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit;
2993 }
2994 if (sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE)) {
2995 ccb->ccb_h.status |= CAM_SENT_SENSE;
2996 }
2997 ccb->ccb_h.status |= CAM_REQ_CMP;
2998 } else {
2999 notify_cam = 1;
3000 if (failure == CAM_UNREC_HBA_ERROR)
3001 ccb->ccb_h.status |= CAM_UNREC_HBA_ERROR;
3002 else
3003 ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
3004 }
3005 atp->state = ATPD_STATE_PDON;
3006 rls_lun_statep(isp, tptr);
3007
3008 /*
3009 * We never *not* notify CAM when there has been any error (ok == 0),
3010 * so we never need to do an ATIO putback if we're not notifying CAM.
3011 */
3012 isp_prt(isp, ISP_LOGTDEBUG0, "%s CTIO[0x%x] done (ok=%d nc=%d nowsendstatus=%d ccb ss=%d)",
3013 (sentstatus)? " FINAL " : "MIDTERM ", atp->tag, ok, notify_cam, atp->sendst, (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0);
3014 if (notify_cam == 0) {
3015 if (atp->sendst) {
3016 isp_target_start_ctio(isp, ccb, FROM_CTIO_DONE);
3017 }
3018 return;
3019 }
3020
3021 /*
3022 * We're telling CAM we're done with this CTIO transaction.
3023 *
3024 * 24XX cards never need an ATIO put back.
3025 *
3026 * Other cards need one put back only on error.
3027 * In the latter case, a timeout will re-fire
3028 * and try again in case we didn't have
3029 * queue resources to do so at first. In any case,
3030 * once the putback is done we do the completion
3031 * call.
3032 */
3033 if (ok || IS_24XX(isp)) {
3034 isp_complete_ctio(ccb);
3035 } else {
3036 isp_target_putback_atio(ccb);
3037 }
3038 }
3039
3040 static void
isp_handle_platform_notify_scsi(ispsoftc_t * isp,in_entry_t * inot)3041 isp_handle_platform_notify_scsi(ispsoftc_t *isp, in_entry_t *inot)
3042 {
3043 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
3044 }
3045
3046 static void
isp_handle_platform_notify_fc(ispsoftc_t * isp,in_fcentry_t * inp)3047 isp_handle_platform_notify_fc(ispsoftc_t *isp, in_fcentry_t *inp)
3048 {
3049 int needack = 1;
3050 switch (inp->in_status) {
3051 case IN_PORT_LOGOUT:
3052 /*
3053 * XXX: Need to delete this initiator's WWN from the database
3054 * XXX: Need to send this LOGOUT upstream
3055 */
3056 isp_prt(isp, ISP_LOGWARN, "port logout of S_ID 0x%x", inp->in_iid);
3057 break;
3058 case IN_PORT_CHANGED:
3059 isp_prt(isp, ISP_LOGWARN, "port changed for S_ID 0x%x", inp->in_iid);
3060 break;
3061 case IN_GLOBAL_LOGO:
3062 isp_del_all_wwn_entries(isp, 0);
3063 isp_prt(isp, ISP_LOGINFO, "all ports logged out");
3064 break;
3065 case IN_ABORT_TASK:
3066 {
3067 tstate_t *tptr;
3068 uint16_t lun;
3069 uint32_t loopid;
3070 uint64_t wwn;
3071 atio_private_data_t *atp;
3072 fcportdb_t *lp;
3073 struct ccb_immediate_notify *inot = NULL;
3074
3075 if (ISP_CAP_SCCFW(isp)) {
3076 lun = inp->in_scclun;
3077 } else {
3078 lun = inp->in_lun;
3079 }
3080 if (ISP_CAP_2KLOGIN(isp)) {
3081 loopid = ((in_fcentry_e_t *)inp)->in_iid;
3082 } else {
3083 loopid = inp->in_iid;
3084 }
3085 if (isp_find_pdb_by_loopid(isp, 0, loopid, &lp)) {
3086 wwn = lp->port_wwn;
3087 } else {
3088 wwn = INI_ANY;
3089 }
3090 tptr = get_lun_statep(isp, 0, lun);
3091 if (tptr == NULL) {
3092 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD);
3093 if (tptr == NULL) {
3094 isp_prt(isp, ISP_LOGWARN, "ABORT TASK for lun %u- but no tstate", lun);
3095 return;
3096 }
3097 }
3098 atp = isp_find_atpd(isp, tptr, inp->in_seqid);
3099
3100 if (atp) {
3101 inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots);
3102 isp_prt(isp, ISP_LOGTDEBUG0, "ABORT TASK RX_ID %x WWN 0x%016llx state %d", inp->in_seqid, (unsigned long long) wwn, atp->state);
3103 if (inot) {
3104 tptr->inot_count--;
3105 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle);
3106 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, inot->ccb_h.path, "%s: Take FREE INOT count now %d\n", __func__, tptr->inot_count);
3107 } else {
3108 ISP_PATH_PRT(isp, ISP_LOGWARN, tptr->owner, "out of INOT structures\n");
3109 }
3110 } else {
3111 ISP_PATH_PRT(isp, ISP_LOGWARN, tptr->owner, "abort task RX_ID %x from wwn 0x%016llx, state unknown\n", inp->in_seqid, wwn);
3112 }
3113 if (inot) {
3114 isp_notify_t tmp, *nt = &tmp;
3115 ISP_MEMZERO(nt, sizeof (isp_notify_t));
3116 nt->nt_hba = isp;
3117 nt->nt_tgt = FCPARAM(isp, 0)->isp_wwpn;
3118 nt->nt_wwn = wwn;
3119 nt->nt_nphdl = loopid;
3120 nt->nt_sid = PORT_ANY;
3121 nt->nt_did = PORT_ANY;
3122 nt->nt_lun = lun;
3123 nt->nt_need_ack = 1;
3124 nt->nt_channel = 0;
3125 nt->nt_ncode = NT_ABORT_TASK;
3126 nt->nt_lreserved = inot;
3127 isp_handle_platform_target_tmf(isp, nt);
3128 needack = 0;
3129 }
3130 rls_lun_statep(isp, tptr);
3131 break;
3132 }
3133 default:
3134 break;
3135 }
3136 if (needack) {
3137 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inp);
3138 }
3139 }
3140
3141 static void
isp_handle_platform_notify_24xx(ispsoftc_t * isp,in_fcentry_24xx_t * inot)3142 isp_handle_platform_notify_24xx(ispsoftc_t *isp, in_fcentry_24xx_t *inot)
3143 {
3144 uint16_t nphdl;
3145 uint16_t prli_options = 0;
3146 uint32_t portid;
3147 fcportdb_t *lp;
3148 uint8_t *ptr = NULL;
3149 uint64_t wwn;
3150
3151 nphdl = inot->in_nphdl;
3152 if (nphdl != NIL_HANDLE) {
3153 portid = inot->in_portid_hi << 16 | inot->in_portid_lo;
3154 } else {
3155 portid = PORT_ANY;
3156 }
3157
3158 switch (inot->in_status) {
3159 case IN24XX_ELS_RCVD:
3160 {
3161 char buf[16], *msg;
3162 int chan = ISP_GET_VPIDX(isp, inot->in_vpidx);
3163
3164 /*
3165 * Note that we're just getting notification that an ELS was received
3166 * (possibly with some associated information sent upstream). This is
3167 * *not* the same as being given the ELS frame to accept or reject.
3168 */
3169 switch (inot->in_status_subcode) {
3170 case LOGO:
3171 msg = "LOGO";
3172 if (ISP_FW_NEWER_THAN(isp, 4, 0, 25)) {
3173 ptr = (uint8_t *)inot; /* point to unswizzled entry! */
3174 wwn = (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF]) << 56) |
3175 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+1]) << 48) |
3176 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+2]) << 40) |
3177 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+3]) << 32) |
3178 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+4]) << 24) |
3179 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+5]) << 16) |
3180 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+6]) << 8) |
3181 (((uint64_t) ptr[IN24XX_LOGO_WWPN_OFF+7]));
3182 } else {
3183 wwn = INI_ANY;
3184 }
3185 isp_del_wwn_entry(isp, chan, wwn, nphdl, portid);
3186 break;
3187 case PRLO:
3188 msg = "PRLO";
3189 break;
3190 case PLOGI:
3191 case PRLI:
3192 /*
3193 * Treat PRLI the same as PLOGI and make a database entry for it.
3194 */
3195 if (inot->in_status_subcode == PLOGI) {
3196 msg = "PLOGI";
3197 } else {
3198 prli_options = inot->in_prli_options;
3199 msg = "PRLI";
3200 }
3201 if (ISP_FW_NEWER_THAN(isp, 4, 0, 25)) {
3202 ptr = (uint8_t *)inot; /* point to unswizzled entry! */
3203 wwn = (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF]) << 56) |
3204 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+1]) << 48) |
3205 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+2]) << 40) |
3206 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+3]) << 32) |
3207 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+4]) << 24) |
3208 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+5]) << 16) |
3209 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+6]) << 8) |
3210 (((uint64_t) ptr[IN24XX_PLOGI_WWPN_OFF+7]));
3211 } else {
3212 wwn = INI_NONE;
3213 }
3214 isp_add_wwn_entry(isp, chan, wwn, nphdl, portid, prli_options);
3215 break;
3216 case PDISC:
3217 msg = "PDISC";
3218 break;
3219 case ADISC:
3220 msg = "ADISC";
3221 break;
3222 default:
3223 ISP_SNPRINTF(buf, sizeof (buf), "ELS 0x%x", inot->in_status_subcode);
3224 msg = buf;
3225 break;
3226 }
3227 if (inot->in_flags & IN24XX_FLAG_PUREX_IOCB) {
3228 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);
3229 break;
3230 }
3231 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,
3232 inot->in_rxid, inot->in_oxid);
3233 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
3234 break;
3235 }
3236
3237 case IN24XX_PORT_LOGOUT:
3238 ptr = "PORT LOGOUT";
3239 if (isp_find_pdb_by_loopid(isp, ISP_GET_VPIDX(isp, inot->in_vpidx), nphdl, &lp)) {
3240 isp_del_wwn_entry(isp, ISP_GET_VPIDX(isp, inot->in_vpidx), lp->port_wwn, nphdl, lp->portid);
3241 }
3242 /* FALLTHROUGH */
3243 case IN24XX_PORT_CHANGED:
3244 if (ptr == NULL) {
3245 ptr = "PORT CHANGED";
3246 }
3247 /* FALLTHROUGH */
3248 case IN24XX_LIP_RESET:
3249 if (ptr == NULL) {
3250 ptr = "LIP RESET";
3251 }
3252 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);
3253
3254 /*
3255 * All subcodes here are irrelevant. What is relevant
3256 * is that we need to terminate all active commands from
3257 * this initiator (known by N-port handle).
3258 */
3259 /* XXX IMPLEMENT XXX */
3260 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
3261 break;
3262
3263 case IN24XX_SRR_RCVD:
3264 #ifdef ISP_TARGET_MODE
3265 isp_handle_srr_notify(isp, inot);
3266 break;
3267 #else
3268 if (ptr == NULL) {
3269 ptr = "SRR RCVD";
3270 }
3271 /* FALLTHROUGH */
3272 #endif
3273 case IN24XX_LINK_RESET:
3274 if (ptr == NULL) {
3275 ptr = "LINK RESET";
3276 }
3277 case IN24XX_LINK_FAILED:
3278 if (ptr == NULL) {
3279 ptr = "LINK FAILED";
3280 }
3281 default:
3282 isp_prt(isp, ISP_LOGWARN, "Chan %d %s", ISP_GET_VPIDX(isp, inot->in_vpidx), ptr);
3283 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
3284 break;
3285 }
3286 }
3287
3288 static int
isp_handle_platform_target_notify_ack(ispsoftc_t * isp,isp_notify_t * mp)3289 isp_handle_platform_target_notify_ack(ispsoftc_t *isp, isp_notify_t *mp)
3290 {
3291
3292 if (isp->isp_state != ISP_RUNSTATE) {
3293 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) acked- h/w not ready (dropping)", mp->nt_ncode, mp->nt_lreserved != NULL);
3294 return (0);
3295 }
3296
3297 /*
3298 * This case is for a Task Management Function, which shows up as an ATIO7 entry.
3299 */
3300 if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ATIO) {
3301 ct7_entry_t local, *cto = &local;
3302 at7_entry_t *aep = (at7_entry_t *)mp->nt_lreserved;
3303 fcportdb_t *lp;
3304 uint32_t sid;
3305 uint16_t nphdl;
3306
3307 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2];
3308 if (isp_find_pdb_by_sid(isp, mp->nt_channel, sid, &lp)) {
3309 nphdl = lp->handle;
3310 } else {
3311 nphdl = NIL_HANDLE;
3312 }
3313 ISP_MEMZERO(&local, sizeof (local));
3314 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
3315 cto->ct_header.rqs_entry_count = 1;
3316 cto->ct_nphdl = nphdl;
3317 cto->ct_rxid = aep->at_rxid;
3318 cto->ct_vpidx = mp->nt_channel;
3319 cto->ct_iid_lo = sid;
3320 cto->ct_iid_hi = sid >> 16;
3321 cto->ct_oxid = aep->at_hdr.ox_id;
3322 cto->ct_flags = CT7_SENDSTATUS|CT7_NOACK|CT7_NO_DATA|CT7_FLAG_MODE1;
3323 cto->ct_flags |= (aep->at_ta_len >> 12) << CT7_TASK_ATTR_SHIFT;
3324 return (isp_target_put_entry(isp, &local));
3325 }
3326
3327 /*
3328 * This case is for a responding to an ABTS frame
3329 */
3330 if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) {
3331
3332 /*
3333 * Overload nt_need_ack here to mark whether we've terminated the associated command.
3334 */
3335 if (mp->nt_need_ack) {
3336 uint8_t storage[QENTRY_LEN];
3337 ct7_entry_t *cto = (ct7_entry_t *) storage;
3338 abts_t *abts = (abts_t *)mp->nt_lreserved;
3339
3340 ISP_MEMZERO(cto, sizeof (ct7_entry_t));
3341 isp_prt(isp, ISP_LOGTDEBUG0, "%s: [%x] terminating after ABTS received", __func__, abts->abts_rxid_task);
3342 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
3343 cto->ct_header.rqs_entry_count = 1;
3344 cto->ct_nphdl = mp->nt_nphdl;
3345 cto->ct_rxid = abts->abts_rxid_task;
3346 cto->ct_iid_lo = mp->nt_sid;
3347 cto->ct_iid_hi = mp->nt_sid >> 16;
3348 cto->ct_oxid = abts->abts_ox_id;
3349 cto->ct_vpidx = mp->nt_channel;
3350 cto->ct_flags = CT7_NOACK|CT7_TERMINATE;
3351 if (isp_target_put_entry(isp, cto)) {
3352 return (ENOMEM);
3353 }
3354 mp->nt_need_ack = 0;
3355 }
3356 if (isp_acknak_abts(isp, mp->nt_lreserved, 0) == ENOMEM) {
3357 return (ENOMEM);
3358 } else {
3359 return (0);
3360 }
3361 }
3362
3363 /*
3364 * Handle logout cases here
3365 */
3366 if (mp->nt_ncode == NT_GLOBAL_LOGOUT) {
3367 isp_del_all_wwn_entries(isp, mp->nt_channel);
3368 }
3369
3370 if (mp->nt_ncode == NT_LOGOUT) {
3371 if (!IS_2100(isp) && IS_FC(isp)) {
3372 isp_del_wwn_entries(isp, mp);
3373 }
3374 }
3375
3376 /*
3377 * General purpose acknowledgement
3378 */
3379 if (mp->nt_need_ack) {
3380 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) being acked", mp->nt_ncode, mp->nt_lreserved != NULL);
3381 /*
3382 * Don't need to use the guaranteed send because the caller can retry
3383 */
3384 return (isp_notify_ack(isp, mp->nt_lreserved));
3385 }
3386 return (0);
3387 }
3388
3389 /*
3390 * Handle task management functions.
3391 *
3392 * We show up here with a notify structure filled out.
3393 *
3394 * The nt_lreserved tag points to the original queue entry
3395 */
3396 static void
isp_handle_platform_target_tmf(ispsoftc_t * isp,isp_notify_t * notify)3397 isp_handle_platform_target_tmf(ispsoftc_t *isp, isp_notify_t *notify)
3398 {
3399 tstate_t *tptr;
3400 fcportdb_t *lp;
3401 struct ccb_immediate_notify *inot;
3402 inot_private_data_t *ntp = NULL;
3403 lun_id_t lun;
3404
3405 isp_prt(isp, ISP_LOGTDEBUG0, "%s: code 0x%x sid 0x%x tagval 0x%016llx chan %d lun 0x%x", __func__, notify->nt_ncode,
3406 notify->nt_sid, (unsigned long long) notify->nt_tagval, notify->nt_channel, notify->nt_lun);
3407 /*
3408 * NB: This assignment is necessary because of tricky type conversion.
3409 * XXX: This is tricky and I need to check this. If the lun isn't known
3410 * XXX: for the task management function, it does not of necessity follow
3411 * XXX: that it should go up stream to the wildcard listener.
3412 */
3413 if (notify->nt_lun == LUN_ANY) {
3414 lun = CAM_LUN_WILDCARD;
3415 } else {
3416 lun = notify->nt_lun;
3417 }
3418 tptr = get_lun_statep(isp, notify->nt_channel, lun);
3419 if (tptr == NULL) {
3420 tptr = get_lun_statep(isp, notify->nt_channel, CAM_LUN_WILDCARD);
3421 if (tptr == NULL) {
3422 isp_prt(isp, ISP_LOGWARN, "%s: no state pointer found for chan %d lun 0x%x", __func__, notify->nt_channel, lun);
3423 goto bad;
3424 }
3425 }
3426 inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots);
3427 if (inot == NULL) {
3428 isp_prt(isp, ISP_LOGWARN, "%s: out of immediate notify structures for chan %d lun 0x%x", __func__, notify->nt_channel, lun);
3429 goto bad;
3430 }
3431
3432 if (isp_find_pdb_by_sid(isp, notify->nt_channel, notify->nt_sid, &lp) == 0) {
3433 inot->initiator_id = CAM_TARGET_WILDCARD;
3434 } else {
3435 inot->initiator_id = lp->handle;
3436 }
3437 inot->seq_id = notify->nt_tagval;
3438 inot->tag_id = notify->nt_tagval >> 32;
3439
3440 switch (notify->nt_ncode) {
3441 case NT_ABORT_TASK:
3442 isp_target_mark_aborted_early(isp, tptr, inot->tag_id);
3443 inot->arg = MSG_ABORT_TASK;
3444 break;
3445 case NT_ABORT_TASK_SET:
3446 isp_target_mark_aborted_early(isp, tptr, TAG_ANY);
3447 inot->arg = MSG_ABORT_TASK_SET;
3448 break;
3449 case NT_CLEAR_ACA:
3450 inot->arg = MSG_CLEAR_ACA;
3451 break;
3452 case NT_CLEAR_TASK_SET:
3453 inot->arg = MSG_CLEAR_TASK_SET;
3454 break;
3455 case NT_LUN_RESET:
3456 inot->arg = MSG_LOGICAL_UNIT_RESET;
3457 break;
3458 case NT_TARGET_RESET:
3459 inot->arg = MSG_TARGET_RESET;
3460 break;
3461 default:
3462 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);
3463 goto bad;
3464 }
3465
3466 ntp = isp_get_ntpd(isp, tptr);
3467 if (ntp == NULL) {
3468 isp_prt(isp, ISP_LOGWARN, "%s: out of inotify private structures", __func__);
3469 goto bad;
3470 }
3471 ISP_MEMCPY(&ntp->rd.nt, notify, sizeof (isp_notify_t));
3472 if (notify->nt_lreserved) {
3473 ISP_MEMCPY(&ntp->rd.data, notify->nt_lreserved, QENTRY_LEN);
3474 ntp->rd.nt.nt_lreserved = &ntp->rd.data;
3475 }
3476 ntp->rd.seq_id = notify->nt_tagval;
3477 ntp->rd.tag_id = notify->nt_tagval >> 32;
3478
3479 tptr->inot_count--;
3480 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle);
3481 rls_lun_statep(isp, tptr);
3482 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, inot->ccb_h.path, "%s: Take FREE INOT count now %d\n", __func__, tptr->inot_count);
3483 inot->ccb_h.status = CAM_MESSAGE_RECV;
3484 xpt_done((union ccb *)inot);
3485 return;
3486 bad:
3487 if (tptr) {
3488 rls_lun_statep(isp, tptr);
3489 }
3490 if (notify->nt_need_ack && notify->nt_lreserved) {
3491 if (((isphdr_t *)notify->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) {
3492 if (isp_acknak_abts(isp, notify->nt_lreserved, ENOMEM)) {
3493 isp_prt(isp, ISP_LOGWARN, "you lose- unable to send an ACKNAK");
3494 }
3495 } else {
3496 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, notify->nt_lreserved);
3497 }
3498 }
3499 }
3500
3501 /*
3502 * Find the associated private data and mark it as dead so
3503 * we don't try to work on it any further.
3504 */
3505 static void
isp_target_mark_aborted(ispsoftc_t * isp,union ccb * ccb)3506 isp_target_mark_aborted(ispsoftc_t *isp, union ccb *ccb)
3507 {
3508 tstate_t *tptr;
3509 atio_private_data_t *atp;
3510 union ccb *accb = ccb->cab.abort_ccb;
3511
3512 tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb));
3513 if (tptr == NULL) {
3514 tptr = get_lun_statep(isp, XS_CHANNEL(accb), CAM_LUN_WILDCARD);
3515 if (tptr == NULL) {
3516 ccb->ccb_h.status = CAM_REQ_INVALID;
3517 return;
3518 }
3519 }
3520
3521 atp = isp_find_atpd(isp, tptr, accb->atio.tag_id);
3522 if (atp == NULL) {
3523 ccb->ccb_h.status = CAM_REQ_INVALID;
3524 } else {
3525 atp->dead = 1;
3526 ccb->ccb_h.status = CAM_REQ_CMP;
3527 }
3528 rls_lun_statep(isp, tptr);
3529 }
3530
3531 static void
isp_target_mark_aborted_early(ispsoftc_t * isp,tstate_t * tptr,uint32_t tag_id)3532 isp_target_mark_aborted_early(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag_id)
3533 {
3534 atio_private_data_t *atp;
3535 inot_private_data_t *restart_queue = tptr->restart_queue;
3536
3537 /*
3538 * First, clean any commands pending restart
3539 */
3540 tptr->restart_queue = NULL;
3541 while (restart_queue) {
3542 uint32_t this_tag_id;
3543 inot_private_data_t *ntp = restart_queue;
3544
3545 restart_queue = ntp->rd.nt.nt_hba;
3546
3547 if (IS_24XX(isp)) {
3548 this_tag_id = ((at7_entry_t *)ntp->rd.data)->at_rxid;
3549 } else {
3550 this_tag_id = ((at2_entry_t *)ntp->rd.data)->at_rxid;
3551 }
3552 if ((uint64_t)tag_id == TAG_ANY || tag_id == this_tag_id) {
3553 isp_put_ntpd(isp, tptr, ntp);
3554 } else {
3555 ntp->rd.nt.nt_hba = tptr->restart_queue;
3556 tptr->restart_queue = ntp;
3557 }
3558 }
3559
3560 /*
3561 * Now mark other ones dead as well.
3562 */
3563 for (atp = tptr->atpool; atp < &tptr->atpool[ATPDPSIZE]; atp++) {
3564 if ((uint64_t)tag_id == TAG_ANY || atp->tag == tag_id) {
3565 atp->dead = 1;
3566 }
3567 }
3568 }
3569
3570
3571 #ifdef ISP_INTERNAL_TARGET
3572 //#define ISP_SEPARATE_STATUS 1
3573 #define ISP_MULTI_CCBS 1
3574 #if defined(ISP_MULTI_CCBS) && !defined(ISP_SEPARATE_STATUS)
3575 #define ISP_SEPARATE_STATUS 1
3576 #endif
3577
3578 typedef struct periph_private_data_t {
3579 union ccb *ccb; /* original ATIO or Immediate Notify */
3580 unsigned long offset; /* current offset */
3581 int sequence; /* current CTIO sequence */
3582 int ctio_cnt; /* current # of ctio's outstanding */
3583 int
3584 status_sent : 1,
3585 on_queue : 1; /* on restart queue */
3586 } ppd_t;
3587 /*
3588 * Each ATIO we allocate will have periph private data associated with it
3589 * that maintains per-command state. This private to each ATIO.
3590 */
3591 #define ATIO_PPD(ccb) ((ppd_t *)(((struct ccb_hdr *)ccb)->ppriv_ptr0))
3592 /*
3593 * Each CTIO we send downstream will get a pointer to the ATIO itself
3594 * so that on completion we can retrieve that pointer.
3595 */
3596 #define ccb_atio ppriv_ptr1
3597 #define ccb_inot ppriv_ptr1
3598
3599 /*
3600 * Each CTIO we send downstream will contain a sequence number
3601 */
3602 #define CTIO_SEQ(ccb) ccb->ccb_h.ppriv_field0
3603
3604 #define MAX_ISP_TARG_TRANSFER (2 << 20)
3605 #define NISP_TARG_CMDS 64
3606 #define NISP_TARG_NOTIFIES 64
3607 #define DISK_SHIFT 9
3608 #define JUNK_SIZE 256
3609 #define MULTI_CCB_DATA_LIM 8192
3610 //#define MULTI_CCB_DATA_CNT 64
3611 #define MULTI_CCB_DATA_CNT 8
3612
3613 extern u_int vm_kmem_size;
3614 static int ca;
3615 static uint32_t disk_size;
3616 static uint8_t *disk_data = NULL;
3617 static uint8_t *junk_data;
3618 static MALLOC_DEFINE(M_ISPTARG, "ISPTARG", "ISP TARGET data");
3619 struct isptarg_softc {
3620 /* CCBs (CTIOs, ATIOs, INOTs) pending on the controller */
3621 struct isp_ccbq work_queue;
3622 struct isp_ccbq rework_queue;
3623 struct isp_ccbq running_queue;
3624 struct isp_ccbq inot_queue;
3625 struct cam_periph *periph;
3626 struct cam_path *path;
3627 ispsoftc_t *isp;
3628 };
3629 static periph_ctor_t isptargctor;
3630 static periph_dtor_t isptargdtor;
3631 static periph_start_t isptargstart;
3632 static periph_init_t isptarginit;
3633 static void isptarg_done(struct cam_periph *, union ccb *);
3634 static void isptargasync(void *, u_int32_t, struct cam_path *, void *);
3635
3636
3637 static int isptarg_rwparm(uint8_t *, uint8_t *, uint64_t, uint32_t, uint8_t **, uint32_t *, int *);
3638
3639 static struct periph_driver isptargdriver =
3640 {
3641 isptarginit, "isptarg", TAILQ_HEAD_INITIALIZER(isptargdriver.units), 0
3642 };
3643
3644 static void
isptarginit(void)3645 isptarginit(void)
3646 {
3647 }
3648
3649 static void
isptargnotify(ispsoftc_t * isp,union ccb * iccb,struct ccb_immediate_notify * inot)3650 isptargnotify(ispsoftc_t *isp, union ccb *iccb, struct ccb_immediate_notify *inot)
3651 {
3652 struct ccb_notify_acknowledge *ack = &iccb->cna2;
3653
3654 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__,
3655 inot->tag_id, inot->initiator_id, inot->seq_id, inot->ccb_h.status, inot->arg);
3656 ack->ccb_h.func_code = XPT_NOTIFY_ACKNOWLEDGE;
3657 ack->ccb_h.flags = 0;
3658 ack->ccb_h.retry_count = 0;
3659 ack->ccb_h.cbfcnp = isptarg_done;
3660 ack->ccb_h.timeout = 0;
3661 ack->ccb_h.ccb_inot = inot;
3662 ack->tag_id = inot->tag_id;
3663 ack->seq_id = inot->seq_id;
3664 ack->initiator_id = inot->initiator_id;
3665 xpt_action(iccb);
3666 }
3667
3668 static void
isptargstart(struct cam_periph * periph,union ccb * iccb)3669 isptargstart(struct cam_periph *periph, union ccb *iccb)
3670 {
3671 const uint8_t niliqd[SHORT_INQUIRY_LENGTH] = {
3672 0x7f, 0x0, 0x5, 0x2, 32, 0, 0, 0x32,
3673 'F', 'R', 'E', 'E', 'B', 'S', 'D', ' ',
3674 'S', 'C', 'S', 'I', ' ', 'N', 'U', 'L',
3675 'L', ' ', 'D', 'E', 'V', 'I', 'C', 'E',
3676 '0', '0', '0', '1'
3677 };
3678 const uint8_t iqd[SHORT_INQUIRY_LENGTH] = {
3679 0, 0x0, 0x5, 0x2, 32, 0, 0, 0x32,
3680 'F', 'R', 'E', 'E', 'B', 'S', 'D', ' ',
3681 'S', 'C', 'S', 'I', ' ', 'M', 'E', 'M',
3682 'O', 'R', 'Y', ' ', 'D', 'I', 'S', 'K',
3683 '0', '0', '0', '1'
3684 };
3685 int r, i, more = 0, last, is_data_cmd = 0, is_write;
3686 char *queue;
3687 struct isptarg_softc *softc = periph->softc;
3688 struct ccb_scsiio *csio;
3689 lun_id_t return_lun;
3690 struct ccb_accept_tio *atio;
3691 uint8_t *cdb, *ptr, status;
3692 uint8_t *data_ptr;
3693 uint32_t data_len, flags;
3694 struct ccb_hdr *ccbh;
3695
3696 mtx_assert(periph->sim->mtx, MA_OWNED);
3697 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,
3698 TAILQ_FIRST(&softc->inot_queue)? 'y' : 'n', TAILQ_FIRST(&softc->work_queue)? 'y' : 'n', TAILQ_FIRST(&softc->rework_queue)? 'y' : 'n');
3699 /*
3700 * Check for immediate notifies first
3701 */
3702 ccbh = TAILQ_FIRST(&softc->inot_queue);
3703 if (ccbh) {
3704 TAILQ_REMOVE(&softc->inot_queue, ccbh, periph_links.tqe);
3705 if (TAILQ_FIRST(&softc->inot_queue) || TAILQ_FIRST(&softc->work_queue) || TAILQ_FIRST(&softc->rework_queue)) {
3706 xpt_schedule(periph, 1);
3707 }
3708 isptargnotify(softc->isp, iccb, (struct ccb_immediate_notify *)ccbh);
3709 return;
3710 }
3711
3712 /*
3713 * Check the rework (continuation) work queue first.
3714 */
3715 ccbh = TAILQ_FIRST(&softc->rework_queue);
3716 if (ccbh) {
3717 atio = (struct ccb_accept_tio *)ccbh;
3718 TAILQ_REMOVE(&softc->rework_queue, ccbh, periph_links.tqe);
3719 more = TAILQ_FIRST(&softc->work_queue) || TAILQ_FIRST(&softc->rework_queue);
3720 queue = "rework";
3721 } else {
3722 ccbh = TAILQ_FIRST(&softc->work_queue);
3723 if (ccbh == NULL) {
3724 xpt_release_ccb(iccb);
3725 return;
3726 }
3727 atio = (struct ccb_accept_tio *)ccbh;
3728 TAILQ_REMOVE(&softc->work_queue, ccbh, periph_links.tqe);
3729 more = TAILQ_FIRST(&softc->work_queue) != NULL;
3730 queue = "work";
3731 }
3732 ATIO_PPD(atio)->on_queue = 0;
3733
3734 if (atio->tag_id == 0xffffffff || atio->ccb_h.func_code != XPT_ACCEPT_TARGET_IO) {
3735 panic("BAD ATIO");
3736 }
3737
3738 data_len = is_write = 0;
3739 data_ptr = NULL;
3740 csio = &iccb->csio;
3741 status = SCSI_STATUS_OK;
3742 flags = CAM_SEND_STATUS;
3743 memset(&atio->sense_data, 0, sizeof (atio->sense_data));
3744 cdb = atio->cdb_io.cdb_bytes;
3745 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,
3746 queue, atio->init_id, cdb[0], ATIO_PPD(atio)->offset);
3747
3748 return_lun = XS_LUN(atio);
3749 if (return_lun != 0) {
3750 xpt_print(atio->ccb_h.path, "[0x%x] Non-Zero Lun %d: cdb0=0x%x\n", atio->tag_id, return_lun, cdb[0]);
3751 if (cdb[0] != INQUIRY && cdb[0] != REPORT_LUNS && cdb[0] != REQUEST_SENSE) {
3752 status = SCSI_STATUS_CHECK_COND;
3753 SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR;
3754 SDFIXED(atio->sense_data)->flags = SSD_KEY_ILLEGAL_REQUEST;
3755 SDFIXED(atio->sense_data)->add_sense_code = 0x25; /* LOGICAL UNIT NOT SUPPORTED */
3756 atio->sense_len = SSD_MIN_SIZE;
3757 }
3758 return_lun = CAM_LUN_WILDCARD;
3759 }
3760
3761 switch (cdb[0]) {
3762 case REQUEST_SENSE:
3763 flags |= CAM_DIR_IN;
3764 data_len = sizeof (atio->sense_data);
3765 junk_data[0] = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR|SSD_KEY_NO_SENSE;
3766 memset(junk_data+1, 0, data_len-1);
3767 if (data_len > cdb[4]) {
3768 data_len = cdb[4];
3769 }
3770 if (data_len) {
3771 data_ptr = junk_data;
3772 }
3773 break;
3774 case WRITE_6:
3775 case WRITE_10:
3776 case WRITE_12:
3777 case WRITE_16:
3778 is_write = 1;
3779 /* FALLTHROUGH */
3780 case READ_6:
3781 case READ_10:
3782 case READ_12:
3783 case READ_16:
3784 is_data_cmd = 1;
3785 r = isptarg_rwparm(cdb, disk_data, disk_size, ATIO_PPD(atio)->offset, &data_ptr, &data_len, &last);
3786 if (r != 0) {
3787 status = SCSI_STATUS_CHECK_COND;
3788 SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR;
3789 SDFIXED(atio->sense_data)->flags = SSD_KEY_ILLEGAL_REQUEST;
3790 if (r == -1) {
3791 SDFIXED(atio->sense_data)->add_sense_code = 0x21; /* LOGICAL BLOCK ADDRESS OUT OF RANGE */
3792 } else {
3793 SDFIXED(atio->sense_data)->add_sense_code = 0x20; /* INVALID COMMAND OPERATION CODE */
3794 }
3795 atio->sense_len = SSD_MIN_SIZE;
3796 } else {
3797 #ifdef ISP_SEPARATE_STATUS
3798 if (last && data_len) {
3799 last = 0;
3800 }
3801 #endif
3802 if (last == 0) {
3803 flags &= ~CAM_SEND_STATUS;
3804 }
3805 if (data_len) {
3806 ATIO_PPD(atio)->offset += data_len;
3807 if (is_write)
3808 flags |= CAM_DIR_OUT;
3809 else
3810 flags |= CAM_DIR_IN;
3811 } else {
3812 flags |= CAM_DIR_NONE;
3813 }
3814 }
3815 break;
3816 case INQUIRY:
3817 flags |= CAM_DIR_IN;
3818 if (cdb[1] || cdb[2] || cdb[3]) {
3819 status = SCSI_STATUS_CHECK_COND;
3820 SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR;
3821 SDFIXED(atio->sense_data)->flags = SSD_KEY_UNIT_ATTENTION;
3822 SDFIXED(atio->sense_data)->add_sense_code = 0x24; /* INVALID FIELD IN CDB */
3823 atio->sense_len = SSD_MIN_SIZE;
3824 break;
3825 }
3826 data_len = sizeof (iqd);
3827 if (data_len > cdb[4]) {
3828 data_len = cdb[4];
3829 }
3830 if (data_len) {
3831 if (XS_LUN(iccb) != 0) {
3832 memcpy(junk_data, niliqd, sizeof (iqd));
3833 } else {
3834 memcpy(junk_data, iqd, sizeof (iqd));
3835 }
3836 data_ptr = junk_data;
3837 }
3838 break;
3839 case TEST_UNIT_READY:
3840 flags |= CAM_DIR_NONE;
3841 if (ca) {
3842 ca = 0;
3843 status = SCSI_STATUS_CHECK_COND;
3844 SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR;
3845 SDFIXED(atio->sense_data)->flags = SSD_KEY_UNIT_ATTENTION;
3846 SDFIXED(atio->sense_data)->add_sense_code = 0x29; /* POWER ON, RESET, OR BUS DEVICE RESET OCCURRED */
3847 atio->sense_len = SSD_MIN_SIZE;
3848 }
3849 break;
3850 case SYNCHRONIZE_CACHE:
3851 case START_STOP:
3852 case RESERVE:
3853 case RELEASE:
3854 case VERIFY_10:
3855 flags |= CAM_DIR_NONE;
3856 break;
3857
3858 case READ_CAPACITY:
3859 flags |= CAM_DIR_IN;
3860 if (cdb[2] || cdb[3] || cdb[4] || cdb[5]) {
3861 status = SCSI_STATUS_CHECK_COND;
3862 SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR;
3863 SDFIXED(atio->sense_data)->flags = SSD_KEY_ILLEGAL_REQUEST;
3864 SDFIXED(atio->sense_data)->add_sense_code = 0x24; /* INVALID FIELD IN CDB */
3865 atio->sense_len = SSD_MIN_SIZE;
3866 break;
3867 }
3868 if (cdb[8] & 0x1) { /* PMI */
3869 junk_data[0] = 0xff;
3870 junk_data[1] = 0xff;
3871 junk_data[2] = 0xff;
3872 junk_data[3] = 0xff;
3873 } else {
3874 uint64_t last_blk = (disk_size >> DISK_SHIFT) - 1;
3875 if (last_blk < 0xffffffffULL) {
3876 junk_data[0] = (last_blk >> 24) & 0xff;
3877 junk_data[1] = (last_blk >> 16) & 0xff;
3878 junk_data[2] = (last_blk >> 8) & 0xff;
3879 junk_data[3] = (last_blk) & 0xff;
3880 } else {
3881 junk_data[0] = 0xff;
3882 junk_data[1] = 0xff;
3883 junk_data[2] = 0xff;
3884 junk_data[3] = 0xff;
3885 }
3886 }
3887 junk_data[4] = ((1 << DISK_SHIFT) >> 24) & 0xff;
3888 junk_data[5] = ((1 << DISK_SHIFT) >> 16) & 0xff;
3889 junk_data[6] = ((1 << DISK_SHIFT) >> 8) & 0xff;
3890 junk_data[7] = ((1 << DISK_SHIFT)) & 0xff;
3891 data_ptr = junk_data;
3892 data_len = 8;
3893 break;
3894 case REPORT_LUNS:
3895 flags |= CAM_DIR_IN;
3896 memset(junk_data, 0, JUNK_SIZE);
3897 junk_data[0] = (1 << 3) >> 24;
3898 junk_data[1] = (1 << 3) >> 16;
3899 junk_data[2] = (1 << 3) >> 8;
3900 junk_data[3] = (1 << 3);
3901 ptr = NULL;
3902 for (i = 0; i < 1; i++) {
3903 ptr = &junk_data[8 + (i << 3)];
3904 if (i >= 256) {
3905 ptr[0] = 0x40 | ((i >> 8) & 0x3f);
3906 }
3907 ptr[1] = i;
3908 }
3909 data_ptr = junk_data;
3910 data_len = (ptr + 8) - junk_data;
3911 break;
3912
3913 default:
3914 flags |= CAM_DIR_NONE;
3915 status = SCSI_STATUS_CHECK_COND;
3916 SDFIXED(atio->sense_data)->error_code = SSD_ERRCODE_VALID|SSD_CURRENT_ERROR;
3917 SDFIXED(atio->sense_data)->flags = SSD_KEY_ILLEGAL_REQUEST;
3918 SDFIXED(atio->sense_data)->add_sense_code = 0x20; /* INVALID COMMAND OPERATION CODE */
3919 atio->sense_len = SSD_MIN_SIZE;
3920 break;
3921 }
3922
3923 /*
3924 * If we are done with the transaction, tell the
3925 * controller to send status and perform a CMD_CMPLT.
3926 * If we have associated sense data, see if we can
3927 * send that too.
3928 */
3929 if (status == SCSI_STATUS_CHECK_COND) {
3930 flags |= CAM_SEND_SENSE;
3931 csio->sense_len = atio->sense_len;
3932 csio->sense_data = atio->sense_data;
3933 flags &= ~CAM_DIR_MASK;
3934 data_len = 0;
3935 data_ptr = NULL;
3936 }
3937 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);
3938 iccb->ccb_h.target_id = atio->ccb_h.target_id;
3939 iccb->ccb_h.target_lun = return_lun;
3940 iccb->ccb_h.ccb_atio = atio;
3941 CTIO_SEQ(iccb) = ATIO_PPD(atio)->sequence++;
3942 ATIO_PPD(atio)->ctio_cnt++;
3943 if (flags & CAM_SEND_STATUS) {
3944 KASSERT((ATIO_PPD(atio)->status_sent == 0), ("we have already sent status for 0x%x in %s", atio->tag_id, __func__));
3945 ATIO_PPD(atio)->status_sent = 1;
3946 }
3947 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);
3948 xpt_action(iccb);
3949
3950 if ((atio->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3951 cam_release_devq(periph->path, 0, 0, 0, 0);
3952 atio->ccb_h.status &= ~CAM_DEV_QFRZN;
3953 }
3954 #ifdef ISP_MULTI_CCBS
3955 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) {
3956 ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG0, atio->ccb_h.path, "%s: more still to do for 0x%x\n", __func__, atio->tag_id);
3957 TAILQ_INSERT_TAIL(&softc->rework_queue, &atio->ccb_h, periph_links.tqe);
3958 ATIO_PPD(atio)->on_queue = 1;
3959 more = 1;
3960 }
3961 #endif
3962 if (more) {
3963 xpt_schedule(periph, 1);
3964 }
3965 }
3966
3967 static cam_status
isptargctor(struct cam_periph * periph,void * arg)3968 isptargctor(struct cam_periph *periph, void *arg)
3969 {
3970 struct isptarg_softc *softc;
3971
3972 softc = (struct isptarg_softc *)arg;
3973 periph->softc = softc;
3974 softc->periph = periph;
3975 softc->path = periph->path;
3976 ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG1, periph->path, "%s called\n", __func__);
3977 return (CAM_REQ_CMP);
3978 }
3979
3980 static void
isptargdtor(struct cam_periph * periph)3981 isptargdtor(struct cam_periph *periph)
3982 {
3983 struct isptarg_softc *softc;
3984 softc = (struct isptarg_softc *)periph->softc;
3985 ISP_PATH_PRT(softc->isp, ISP_LOGTDEBUG1, periph->path, "%s called\n", __func__);
3986 softc->periph = NULL;
3987 softc->path = NULL;
3988 periph->softc = NULL;
3989 }
3990
3991 static void
isptarg_done(struct cam_periph * periph,union ccb * ccb)3992 isptarg_done(struct cam_periph *periph, union ccb *ccb)
3993 {
3994 struct isptarg_softc *softc;
3995 ispsoftc_t *isp;
3996 uint32_t newoff;
3997 struct ccb_accept_tio *atio;
3998 struct ccb_immediate_notify *inot;
3999 cam_status status;
4000
4001 softc = (struct isptarg_softc *)periph->softc;
4002 isp = softc->isp;
4003 status = ccb->ccb_h.status & CAM_STATUS_MASK;
4004
4005 switch (ccb->ccb_h.func_code) {
4006 case XPT_ACCEPT_TARGET_IO:
4007 atio = (struct ccb_accept_tio *) ccb;
4008 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, ccb->ccb_h.path, "[0x%x] ATIO seen in %s\n", atio->tag_id, __func__);
4009 memset(ATIO_PPD(atio), 0, sizeof (ppd_t));
4010 TAILQ_INSERT_TAIL(&softc->work_queue, &ccb->ccb_h, periph_links.tqe);
4011 ATIO_PPD(atio)->on_queue = 1;
4012 xpt_schedule(periph, 1);
4013 break;
4014 case XPT_IMMEDIATE_NOTIFY:
4015 inot = (struct ccb_immediate_notify *) ccb;
4016 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__);
4017 TAILQ_INSERT_TAIL(&softc->inot_queue, &ccb->ccb_h, periph_links.tqe);
4018 xpt_schedule(periph, 1);
4019 break;
4020 case XPT_CONT_TARGET_IO:
4021 atio = ccb->ccb_h.ccb_atio;
4022 KASSERT((ATIO_PPD(atio)->ctio_cnt != 0), ("ctio zero when finishing a CTIO"));
4023 ATIO_PPD(atio)->ctio_cnt--;
4024 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
4025 switch (ccb->ccb_h.status & CAM_STATUS_MASK) {
4026 case CAM_MESSAGE_RECV:
4027 newoff = (ccb->csio.msg_ptr[3] << 24) | (ccb->csio.msg_ptr[4] << 16) | (ccb->csio.msg_ptr[5] << 8) | (ccb->csio.msg_ptr[6]);
4028 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));
4029 ATIO_PPD(atio)->offset = newoff;
4030 ATIO_PPD(atio)->status_sent = 0;
4031 if (ATIO_PPD(atio)->on_queue == 0) {
4032 TAILQ_INSERT_TAIL(&softc->rework_queue, &atio->ccb_h, periph_links.tqe);
4033 ATIO_PPD(atio)->on_queue = 1;
4034 }
4035 xpt_schedule(periph, 1);
4036 break;
4037 default:
4038 cam_error_print(ccb, CAM_ESF_ALL, CAM_EPF_ALL);
4039 xpt_action((union ccb *)atio);
4040 break;
4041 }
4042 } else if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) {
4043 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__);
4044 if (ATIO_PPD(atio)->status_sent == 0 && ATIO_PPD(atio)->on_queue == 0) {
4045 TAILQ_INSERT_TAIL(&softc->rework_queue, &atio->ccb_h, periph_links.tqe);
4046 ATIO_PPD(atio)->on_queue = 1;
4047 }
4048 xpt_schedule(periph, 1);
4049 } else {
4050 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));
4051 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__);
4052 xpt_action((union ccb *)atio);
4053 }
4054 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
4055 cam_release_devq(ccb->ccb_h.path, 0, 0, 0, 0);
4056 ccb->ccb_h.status &= ~CAM_DEV_QFRZN;
4057 }
4058 xpt_release_ccb(ccb);
4059 break;
4060 case XPT_NOTIFY_ACKNOWLEDGE:
4061 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
4062 cam_release_devq(ccb->ccb_h.path, 0, 0, 0, 0);
4063 ccb->ccb_h.status &= ~CAM_DEV_QFRZN;
4064 }
4065 inot = ccb->ccb_h.ccb_inot;
4066 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);
4067 xpt_release_ccb(ccb);
4068 xpt_action((union ccb *)inot);
4069 break;
4070 default:
4071 xpt_print(ccb->ccb_h.path, "unexpected code 0x%x\n", ccb->ccb_h.func_code);
4072 break;
4073 }
4074 }
4075
4076 static void
isptargasync(void * callback_arg,u_int32_t code,struct cam_path * path,void * arg)4077 isptargasync(void *callback_arg, u_int32_t code, struct cam_path *path, void *arg)
4078 {
4079 struct ac_contract *acp = arg;
4080 struct ac_device_changed *fc = (struct ac_device_changed *) acp->contract_data;
4081
4082 if (code != AC_CONTRACT) {
4083 return;
4084 }
4085 xpt_print(path, "0x%016llx Port ID 0x%06x %s\n", (unsigned long long) fc->wwpn, fc->port, fc->arrived? "arrived" : "departed");
4086 }
4087
4088 static void
isp_target_thread(ispsoftc_t * isp,int chan)4089 isp_target_thread(ispsoftc_t *isp, int chan)
4090 {
4091 union ccb *ccb = NULL;
4092 int i;
4093 void *wchan;
4094 cam_status status;
4095 struct isptarg_softc *softc = NULL;
4096 struct cam_periph *periph = NULL, *wperiph = NULL;
4097 struct cam_path *path, *wpath;
4098 struct cam_sim *sim;
4099
4100 if (disk_data == NULL) {
4101 disk_size = roundup2(vm_kmem_size >> 1, (1ULL << 20));
4102 if (disk_size < (50 << 20)) {
4103 disk_size = 50 << 20;
4104 }
4105 disk_data = malloc(disk_size, M_ISPTARG, M_WAITOK | M_ZERO);
4106 if (disk_data == NULL) {
4107 isp_prt(isp, ISP_LOGERR, "%s: could not allocate disk data", __func__);
4108 goto out;
4109 }
4110 isp_prt(isp, ISP_LOGINFO, "allocated a %ju MiB disk", (uintmax_t) (disk_size >> 20));
4111 }
4112 junk_data = malloc(JUNK_SIZE, M_ISPTARG, M_WAITOK | M_ZERO);
4113 if (junk_data == NULL) {
4114 isp_prt(isp, ISP_LOGERR, "%s: could not allocate junk", __func__);
4115 goto out;
4116 }
4117
4118
4119 softc = malloc(sizeof (*softc), M_ISPTARG, M_WAITOK | M_ZERO);
4120 if (softc == NULL) {
4121 isp_prt(isp, ISP_LOGERR, "%s: could not allocate softc", __func__);
4122 goto out;
4123 }
4124 TAILQ_INIT(&softc->work_queue);
4125 TAILQ_INIT(&softc->rework_queue);
4126 TAILQ_INIT(&softc->running_queue);
4127 TAILQ_INIT(&softc->inot_queue);
4128 softc->isp = isp;
4129
4130 periphdriver_register(&isptargdriver);
4131 ISP_GET_PC(isp, chan, sim, sim);
4132 ISP_GET_PC(isp, chan, path, path);
4133 status = xpt_create_path(&wpath, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD);
4134 if (status != CAM_REQ_CMP) {
4135 isp_prt(isp, ISP_LOGERR, "%s: could not allocate wildcard path", __func__);
4136 return;
4137 }
4138 status = xpt_create_path(&path, NULL, cam_sim_path(sim), 0, 0);
4139 if (status != CAM_REQ_CMP) {
4140 xpt_free_path(wpath);
4141 isp_prt(isp, ISP_LOGERR, "%s: could not allocate path", __func__);
4142 return;
4143 }
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,fcportdb_t * fcp,int chan,int tgt)4542 isp_make_here(ispsoftc_t *isp, fcportdb_t *fcp, 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
4566 /*
4567 * Since we're about to issue a rescan, mark this device as not
4568 * reported gone.
4569 */
4570 fcp->reported_gone = 0;
4571
4572 xpt_rescan(ccb);
4573 }
4574
4575 static void
isp_make_gone(ispsoftc_t * isp,fcportdb_t * fcp,int chan,int tgt)4576 isp_make_gone(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt)
4577 {
4578 struct cam_path *tp;
4579 struct isp_fc *fc = ISP_FC_PC(isp, chan);
4580
4581 if (isp_autoconfig == 0) {
4582 return;
4583 }
4584 if (xpt_create_path(&tp, NULL, cam_sim_path(fc->sim), tgt, CAM_LUN_WILDCARD) == CAM_REQ_CMP) {
4585 /*
4586 * We're about to send out the lost device async
4587 * notification, so indicate that we have reported it gone.
4588 */
4589 fcp->reported_gone = 1;
4590 xpt_async(AC_LOST_DEVICE, tp, NULL);
4591 xpt_free_path(tp);
4592 }
4593 }
4594
4595 /*
4596 * Gone Device Timer Function- when we have decided that a device has gone
4597 * away, we wait a specific period of time prior to telling the OS it has
4598 * gone away.
4599 *
4600 * This timer function fires once a second and then scans the port database
4601 * for devices that are marked dead but still have a virtual target assigned.
4602 * We decrement a counter for that port database entry, and when it hits zero,
4603 * we tell the OS the device has gone away.
4604 */
4605 static void
isp_gdt(void * arg)4606 isp_gdt(void *arg)
4607 {
4608 struct isp_fc *fc = arg;
4609 taskqueue_enqueue(taskqueue_thread, &fc->gtask);
4610 }
4611
4612 static void
isp_gdt_task(void * arg,int pending)4613 isp_gdt_task(void *arg, int pending)
4614 {
4615 struct isp_fc *fc = arg;
4616 ispsoftc_t *isp = fc->isp;
4617 int chan = fc - isp->isp_osinfo.pc.fc;
4618 fcportdb_t *lp;
4619 int dbidx, tgt, more_to_do = 0;
4620
4621 ISP_LOCK(isp);
4622 isp_prt(isp, ISP_LOGDEBUG0, "Chan %d GDT timer expired", chan);
4623 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) {
4624 lp = &FCPARAM(isp, chan)->portdb[dbidx];
4625
4626 if (lp->state != FC_PORTDB_STATE_ZOMBIE) {
4627 continue;
4628 }
4629 if (lp->dev_map_idx == 0 || lp->target_mode) {
4630 continue;
4631 }
4632 if (lp->gone_timer != 0) {
4633 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);
4634 lp->gone_timer -= 1;
4635 more_to_do++;
4636 continue;
4637 }
4638 tgt = lp->dev_map_idx - 1;
4639 FCPARAM(isp, chan)->isp_dev_map[tgt] = 0;
4640 lp->dev_map_idx = 0;
4641 lp->state = FC_PORTDB_STATE_NIL;
4642 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, lp->portid, tgt, "Gone Device Timeout");
4643 isp_make_gone(isp, lp, chan, tgt);
4644 }
4645 if (fc->ready) {
4646 if (more_to_do) {
4647 callout_reset(&fc->gdt, hz, isp_gdt, fc);
4648 } else {
4649 callout_deactivate(&fc->gdt);
4650 isp_prt(isp, ISP_LOG_SANCFG, "Chan %d Stopping Gone Device Timer @ %lu", chan, (unsigned long) time_uptime);
4651 }
4652 }
4653 ISP_UNLOCK(isp);
4654 }
4655
4656 /*
4657 * Loop Down Timer Function- when loop goes down, a timer is started and
4658 * and after it expires we come here and take all probational devices that
4659 * the OS knows about and the tell the OS that they've gone away.
4660 *
4661 * We don't clear the devices out of our port database because, when loop
4662 * come back up, we have to do some actual cleanup with the chip at that
4663 * point (implicit PLOGO, e.g., to get the chip's port database state right).
4664 */
4665 static void
isp_ldt(void * arg)4666 isp_ldt(void *arg)
4667 {
4668 struct isp_fc *fc = arg;
4669 taskqueue_enqueue(taskqueue_thread, &fc->ltask);
4670 }
4671
4672 static void
isp_ldt_task(void * arg,int pending)4673 isp_ldt_task(void *arg, int pending)
4674 {
4675 struct isp_fc *fc = arg;
4676 ispsoftc_t *isp = fc->isp;
4677 int chan = fc - isp->isp_osinfo.pc.fc;
4678 fcportdb_t *lp;
4679 int dbidx, tgt, i;
4680
4681 ISP_LOCK(isp);
4682 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop Down Timer expired @ %lu", chan, (unsigned long) time_uptime);
4683 callout_deactivate(&fc->ldt);
4684
4685 /*
4686 * Notify to the OS all targets who we now consider have departed.
4687 */
4688 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) {
4689 lp = &FCPARAM(isp, chan)->portdb[dbidx];
4690
4691 if (lp->state != FC_PORTDB_STATE_PROBATIONAL) {
4692 continue;
4693 }
4694 if (lp->dev_map_idx == 0 || lp->target_mode) {
4695 continue;
4696 }
4697
4698 /*
4699 * XXX: CLEAN UP AND COMPLETE ANY PENDING COMMANDS FIRST!
4700 */
4701
4702
4703 for (i = 0; i < isp->isp_maxcmds; i++) {
4704 struct ccb_scsiio *xs;
4705
4706 if (!ISP_VALID_HANDLE(isp, isp->isp_xflist[i].handle)) {
4707 continue;
4708 }
4709 if ((xs = isp->isp_xflist[i].cmd) == NULL) {
4710 continue;
4711 }
4712 if (dbidx != (FCPARAM(isp, chan)->isp_dev_map[XS_TGT(xs)] - 1)) {
4713 continue;
4714 }
4715 isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%d orphaned by loop down timeout",
4716 isp->isp_xflist[i].handle, chan, XS_TGT(xs), XS_LUN(xs));
4717 }
4718
4719 /*
4720 * Mark that we've announced that this device is gone....
4721 */
4722 lp->announced = 1;
4723
4724 /*
4725 * but *don't* change the state of the entry. Just clear
4726 * any target id stuff and announce to CAM that the
4727 * device is gone. This way any necessary PLOGO stuff
4728 * will happen when loop comes back up.
4729 */
4730
4731 tgt = lp->dev_map_idx - 1;
4732 FCPARAM(isp, chan)->isp_dev_map[tgt] = 0;
4733 lp->dev_map_idx = 0;
4734 lp->state = FC_PORTDB_STATE_NIL;
4735 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, lp->portid, tgt, "Loop Down Timeout");
4736 isp_make_gone(isp, lp, chan, tgt);
4737 }
4738
4739 if (FCPARAM(isp, chan)->role & ISP_ROLE_INITIATOR) {
4740 isp_unfreeze_loopdown(isp, chan);
4741 }
4742 /*
4743 * The loop down timer has expired. Wake up the kthread
4744 * to notice that fact (or make it false).
4745 */
4746 fc->loop_dead = 1;
4747 fc->loop_down_time = fc->loop_down_limit+1;
4748 wakeup(fc);
4749 ISP_UNLOCK(isp);
4750 }
4751
4752 static void
isp_kthread(void * arg)4753 isp_kthread(void *arg)
4754 {
4755 struct isp_fc *fc = arg;
4756 ispsoftc_t *isp = fc->isp;
4757 int chan = fc - isp->isp_osinfo.pc.fc;
4758 int slp = 0;
4759
4760 mtx_lock(&isp->isp_osinfo.lock);
4761
4762 for (;;) {
4763 int lb, lim;
4764
4765 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d checking FC state", __func__, chan);
4766 lb = isp_fc_runstate(isp, chan, 250000);
4767
4768 /*
4769 * Our action is different based upon whether we're supporting
4770 * Initiator mode or not. If we are, we might freeze the simq
4771 * when loop is down and set all sorts of different delays to
4772 * check again.
4773 *
4774 * If not, we simply just wait for loop to come up.
4775 */
4776 if (lb && (FCPARAM(isp, chan)->role & ISP_ROLE_INITIATOR)) {
4777 /*
4778 * Increment loop down time by the last sleep interval
4779 */
4780 fc->loop_down_time += slp;
4781
4782 if (lb < 0) {
4783 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC loop not up (down count %d)", __func__, chan, fc->loop_down_time);
4784 } else {
4785 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);
4786 }
4787
4788 /*
4789 * If we've never seen loop up and we've waited longer
4790 * than quickboot time, or we've seen loop up but we've
4791 * waited longer than loop_down_limit, give up and go
4792 * to sleep until loop comes up.
4793 */
4794 if (FCPARAM(isp, chan)->loop_seen_once == 0) {
4795 lim = isp_quickboot_time;
4796 } else {
4797 lim = fc->loop_down_limit;
4798 }
4799 if (fc->loop_down_time >= lim) {
4800 isp_freeze_loopdown(isp, chan, "loop limit hit");
4801 slp = 0;
4802 } else if (fc->loop_down_time < 10) {
4803 slp = 1;
4804 } else if (fc->loop_down_time < 30) {
4805 slp = 5;
4806 } else if (fc->loop_down_time < 60) {
4807 slp = 10;
4808 } else if (fc->loop_down_time < 120) {
4809 slp = 20;
4810 } else {
4811 slp = 30;
4812 }
4813
4814 } else if (lb) {
4815 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC Loop Down", __func__, chan);
4816 fc->loop_down_time += slp;
4817 if (fc->loop_down_time > 300)
4818 slp = 0;
4819 else
4820 slp = 60;
4821 } else {
4822 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d FC state OK", __func__, chan);
4823 fc->loop_down_time = 0;
4824 slp = 0;
4825 }
4826
4827
4828 /*
4829 * If this is past the first loop up or the loop is dead and if we'd frozen the simq, unfreeze it
4830 * now so that CAM can start sending us commands.
4831 *
4832 * If the FC state isn't okay yet, they'll hit that in isp_start which will freeze the queue again
4833 * or kill the commands, as appropriate.
4834 */
4835
4836 if (FCPARAM(isp, chan)->loop_seen_once || fc->loop_dead) {
4837 isp_unfreeze_loopdown(isp, chan);
4838 }
4839
4840 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d sleep time %d", __func__, chan, slp);
4841
4842 msleep(fc, &isp->isp_osinfo.lock, PRIBIO, "ispf", slp * hz);
4843
4844 /*
4845 * If slp is zero, we're waking up for the first time after
4846 * things have been okay. In this case, we set a deferral state
4847 * for all commands and delay hysteresis seconds before starting
4848 * the FC state evaluation. This gives the loop/fabric a chance
4849 * to settle.
4850 */
4851 if (slp == 0 && fc->hysteresis) {
4852 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "%s: Chan %d sleep hysteresis ticks %d", __func__, chan, fc->hysteresis * hz);
4853 mtx_unlock(&isp->isp_osinfo.lock);
4854 pause("ispt", fc->hysteresis * hz);
4855 mtx_lock(&isp->isp_osinfo.lock);
4856 }
4857 }
4858 mtx_unlock(&isp->isp_osinfo.lock);
4859 }
4860
4861 static void
isp_action(struct cam_sim * sim,union ccb * ccb)4862 isp_action(struct cam_sim *sim, union ccb *ccb)
4863 {
4864 int bus, tgt, ts, error, lim;
4865 ispsoftc_t *isp;
4866 struct ccb_trans_settings *cts;
4867
4868 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("isp_action\n"));
4869
4870 isp = (ispsoftc_t *)cam_sim_softc(sim);
4871 mtx_assert(&isp->isp_lock, MA_OWNED);
4872
4873 if (isp->isp_state != ISP_RUNSTATE && ccb->ccb_h.func_code == XPT_SCSI_IO) {
4874 isp_init(isp);
4875 if (isp->isp_state != ISP_INITSTATE) {
4876 /*
4877 * Lie. Say it was a selection timeout.
4878 */
4879 ccb->ccb_h.status = CAM_SEL_TIMEOUT | CAM_DEV_QFRZN;
4880 xpt_freeze_devq(ccb->ccb_h.path, 1);
4881 xpt_done(ccb);
4882 return;
4883 }
4884 isp->isp_state = ISP_RUNSTATE;
4885 }
4886 isp_prt(isp, ISP_LOGDEBUG2, "isp_action code %x", ccb->ccb_h.func_code);
4887 ISP_PCMD(ccb) = NULL;
4888
4889 switch (ccb->ccb_h.func_code) {
4890 case XPT_SCSI_IO: /* Execute the requested I/O operation */
4891 bus = XS_CHANNEL(ccb);
4892 /*
4893 * Do a couple of preliminary checks...
4894 */
4895 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) {
4896 if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) {
4897 ccb->ccb_h.status = CAM_REQ_INVALID;
4898 xpt_done(ccb);
4899 break;
4900 }
4901 }
4902 ccb->csio.req_map = NULL;
4903 #ifdef DIAGNOSTIC
4904 if (ccb->ccb_h.target_id > (ISP_MAX_TARGETS(isp) - 1)) {
4905 xpt_print(ccb->ccb_h.path, "invalid target\n");
4906 ccb->ccb_h.status = CAM_PATH_INVALID;
4907 } else if (ccb->ccb_h.target_lun > (ISP_MAX_LUNS(isp) - 1)) {
4908 xpt_print(ccb->ccb_h.path, "invalid lun\n");
4909 ccb->ccb_h.status = CAM_PATH_INVALID;
4910 }
4911 if (ccb->ccb_h.status == CAM_PATH_INVALID) {
4912 xpt_done(ccb);
4913 break;
4914 }
4915 #endif
4916 ccb->csio.scsi_status = SCSI_STATUS_OK;
4917 if (isp_get_pcmd(isp, ccb)) {
4918 isp_prt(isp, ISP_LOGWARN, "out of PCMDs");
4919 cam_freeze_devq(ccb->ccb_h.path);
4920 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 250, 0);
4921 xpt_done(ccb);
4922 break;
4923 }
4924 error = isp_start((XS_T *) ccb);
4925 switch (error) {
4926 case CMD_QUEUED:
4927 ccb->ccb_h.status |= CAM_SIM_QUEUED;
4928 if (ccb->ccb_h.timeout == CAM_TIME_INFINITY) {
4929 break;
4930 }
4931 ts = ccb->ccb_h.timeout;
4932 if (ts == CAM_TIME_DEFAULT) {
4933 ts = 60*1000;
4934 }
4935 ts = isp_mstohz(ts);
4936 callout_reset(&PISP_PCMD(ccb)->wdog, ts, isp_watchdog, ccb);
4937 break;
4938 case CMD_RQLATER:
4939 /*
4940 * We get this result for FC devices if the loop state isn't ready yet
4941 * or if the device in question has gone zombie on us.
4942 *
4943 * If we've never seen Loop UP at all, we requeue this request and wait
4944 * for the initial loop up delay to expire.
4945 */
4946 lim = ISP_FC_PC(isp, bus)->loop_down_limit;
4947 if (FCPARAM(isp, bus)->loop_seen_once == 0 || ISP_FC_PC(isp, bus)->loop_down_time >= lim) {
4948 if (FCPARAM(isp, bus)->loop_seen_once == 0) {
4949 isp_prt(isp, ISP_LOGDEBUG0, "%d.%d loop not seen yet @ %lu", XS_TGT(ccb), XS_LUN(ccb), (unsigned long) time_uptime);
4950 } else {
4951 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);
4952 }
4953 ccb->ccb_h.status = CAM_SEL_TIMEOUT|CAM_DEV_QFRZN;
4954 xpt_freeze_devq(ccb->ccb_h.path, 1);
4955 isp_free_pcmd(isp, ccb);
4956 xpt_done(ccb);
4957 break;
4958 }
4959 isp_prt(isp, ISP_LOGDEBUG0, "%d.%d retry later", XS_TGT(ccb), XS_LUN(ccb));
4960 cam_freeze_devq(ccb->ccb_h.path);
4961 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0);
4962 ccb->ccb_h.status = CAM_REQUEUE_REQ;
4963 isp_free_pcmd(isp, ccb);
4964 xpt_done(ccb);
4965 break;
4966 case CMD_EAGAIN:
4967 isp_free_pcmd(isp, ccb);
4968 cam_freeze_devq(ccb->ccb_h.path);
4969 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 100, 0);
4970 ccb->ccb_h.status = CAM_REQUEUE_REQ;
4971 xpt_done(ccb);
4972 break;
4973 case CMD_COMPLETE:
4974 isp_done((struct ccb_scsiio *) ccb);
4975 break;
4976 default:
4977 isp_prt(isp, ISP_LOGERR, "What's this? 0x%x at %d in file %s", error, __LINE__, __FILE__);
4978 ccb->ccb_h.status = CAM_REQUEUE_REQ;
4979 isp_free_pcmd(isp, ccb);
4980 xpt_done(ccb);
4981 }
4982 break;
4983
4984 #ifdef ISP_TARGET_MODE
4985 case XPT_EN_LUN: /* Enable/Disable LUN as a target */
4986 if (ccb->cel.enable) {
4987 isp_enable_lun(isp, ccb);
4988 } else {
4989 isp_disable_lun(isp, ccb);
4990 }
4991 break;
4992 case XPT_IMMED_NOTIFY:
4993 case XPT_IMMEDIATE_NOTIFY: /* Add Immediate Notify Resource */
4994 case XPT_ACCEPT_TARGET_IO: /* Add Accept Target IO Resource */
4995 {
4996 tstate_t *tptr = get_lun_statep(isp, XS_CHANNEL(ccb), ccb->ccb_h.target_lun);
4997 if (tptr == NULL) {
4998 tptr = get_lun_statep(isp, XS_CHANNEL(ccb), CAM_LUN_WILDCARD);
4999 }
5000 if (tptr == NULL) {
5001 const char *str;
5002 uint32_t tag;
5003
5004 if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) {
5005 str = "XPT_IMMEDIATE_NOTIFY";
5006 tag = ccb->cin1.seq_id;
5007 } else {
5008 tag = ccb->atio.tag_id;
5009 str = "XPT_ACCEPT_TARGET_IO";
5010 }
5011 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "%s: [0x%x] no state pointer found for %s\n", __func__, tag, str);
5012 dump_tstates(isp, XS_CHANNEL(ccb));
5013 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
5014 break;
5015 }
5016 ccb->ccb_h.spriv_field0 = 0;
5017 ccb->ccb_h.spriv_ptr1 = isp;
5018
5019 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) {
5020 if (ccb->atio.tag_id) {
5021 atio_private_data_t *atp = isp_find_atpd(isp, tptr, ccb->atio.tag_id);
5022 if (atp) {
5023 isp_put_atpd(isp, tptr, atp);
5024 }
5025 }
5026 tptr->atio_count++;
5027 SLIST_INSERT_HEAD(&tptr->atios, &ccb->ccb_h, sim_links.sle);
5028 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, "Put FREE ATIO (tag id 0x%x), count now %d\n",
5029 ccb->atio.tag_id, tptr->atio_count);
5030 ccb->atio.tag_id = 0;
5031 } else if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) {
5032 if (ccb->cin1.tag_id) {
5033 inot_private_data_t *ntp = isp_find_ntpd(isp, tptr, ccb->cin1.tag_id, ccb->cin1.seq_id);
5034 if (ntp) {
5035 isp_put_ntpd(isp, tptr, ntp);
5036 }
5037 }
5038 tptr->inot_count++;
5039 SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle);
5040 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, "Put FREE INOT, (seq id 0x%x) count now %d\n",
5041 ccb->cin1.seq_id, tptr->inot_count);
5042 ccb->cin1.seq_id = 0;
5043 } else if (ccb->ccb_h.func_code == XPT_IMMED_NOTIFY) {
5044 tptr->inot_count++;
5045 SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle);
5046 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, "Put FREE INOT, (seq id 0x%x) count now %d\n",
5047 ccb->cin1.seq_id, tptr->inot_count);
5048 ccb->cin1.seq_id = 0;
5049 }
5050 rls_lun_statep(isp, tptr);
5051 ccb->ccb_h.status = CAM_REQ_INPROG;
5052 break;
5053 }
5054 case XPT_NOTIFY_ACK:
5055 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
5056 break;
5057 case XPT_NOTIFY_ACKNOWLEDGE: /* notify ack */
5058 {
5059 tstate_t *tptr;
5060 inot_private_data_t *ntp;
5061
5062 /*
5063 * XXX: Because we cannot guarantee that the path information in the notify acknowledge ccb
5064 * XXX: matches that for the immediate notify, we have to *search* for the notify structure
5065 */
5066 /*
5067 * All the relevant path information is in the associated immediate notify
5068 */
5069 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);
5070 ntp = get_ntp_from_tagdata(isp, ccb->cna2.tag_id, ccb->cna2.seq_id, &tptr);
5071 if (ntp == NULL) {
5072 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__,
5073 ccb->cna2.tag_id, ccb->cna2.seq_id);
5074 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
5075 xpt_done(ccb);
5076 break;
5077 }
5078 if (isp_handle_platform_target_notify_ack(isp, &ntp->rd.nt)) {
5079 rls_lun_statep(isp, tptr);
5080 cam_freeze_devq(ccb->ccb_h.path);
5081 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0);
5082 ccb->ccb_h.status &= ~CAM_STATUS_MASK;
5083 ccb->ccb_h.status |= CAM_REQUEUE_REQ;
5084 break;
5085 }
5086 isp_put_ntpd(isp, tptr, ntp);
5087 rls_lun_statep(isp, tptr);
5088 ccb->ccb_h.status = CAM_REQ_CMP;
5089 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);
5090 xpt_done(ccb);
5091 break;
5092 }
5093 case XPT_CONT_TARGET_IO:
5094 isp_target_start_ctio(isp, ccb, FROM_CAM);
5095 break;
5096 #endif
5097 case XPT_RESET_DEV: /* BDR the specified SCSI device */
5098 {
5099 struct isp_fc *fc;
5100
5101 bus = cam_sim_bus(xpt_path_sim(ccb->ccb_h.path));
5102 tgt = ccb->ccb_h.target_id;
5103 tgt |= (bus << 16);
5104 if (IS_FC(isp))
5105 fc = ISP_FC_PC(isp, bus);
5106 else
5107 fc = NULL;
5108
5109 error = isp_control(isp, ISPCTL_RESET_DEV, bus, tgt);
5110 if (error) {
5111 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
5112 } else {
5113 /*
5114 * If we have a FC device, reset the Command
5115 * Reference Number, because the target will expect
5116 * that we re-start the CRN at 1 after a reset.
5117 */
5118 if (fc != NULL)
5119 isp_fcp_reset_crn(fc, tgt, /*tgt_set*/ 1);
5120
5121 ccb->ccb_h.status = CAM_REQ_CMP;
5122 }
5123 xpt_done(ccb);
5124 break;
5125 }
5126 case XPT_ABORT: /* Abort the specified CCB */
5127 {
5128 union ccb *accb = ccb->cab.abort_ccb;
5129 switch (accb->ccb_h.func_code) {
5130 #ifdef ISP_TARGET_MODE
5131 case XPT_ACCEPT_TARGET_IO:
5132 isp_target_mark_aborted(isp, ccb);
5133 break;
5134 #endif
5135 case XPT_SCSI_IO:
5136 error = isp_control(isp, ISPCTL_ABORT_CMD, accb);
5137 if (error) {
5138 ccb->ccb_h.status = CAM_UA_ABORT;
5139 } else {
5140 ccb->ccb_h.status = CAM_REQ_CMP;
5141 }
5142 break;
5143 default:
5144 ccb->ccb_h.status = CAM_REQ_INVALID;
5145 break;
5146 }
5147 /*
5148 * This is not a queued CCB, so the caller expects it to be
5149 * complete when control is returned.
5150 */
5151 break;
5152 }
5153 #define IS_CURRENT_SETTINGS(c) (c->type == CTS_TYPE_CURRENT_SETTINGS)
5154 case XPT_SET_TRAN_SETTINGS: /* Nexus Settings */
5155 cts = &ccb->cts;
5156 if (!IS_CURRENT_SETTINGS(cts)) {
5157 ccb->ccb_h.status = CAM_REQ_INVALID;
5158 xpt_done(ccb);
5159 break;
5160 }
5161 tgt = cts->ccb_h.target_id;
5162 bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path));
5163 if (IS_SCSI(isp)) {
5164 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
5165 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi;
5166 sdparam *sdp = SDPARAM(isp, bus);
5167 uint16_t *dptr;
5168
5169 if (spi->valid == 0 && scsi->valid == 0) {
5170 ccb->ccb_h.status = CAM_REQ_CMP;
5171 xpt_done(ccb);
5172 break;
5173 }
5174
5175 /*
5176 * We always update (internally) from goal_flags
5177 * so any request to change settings just gets
5178 * vectored to that location.
5179 */
5180 dptr = &sdp->isp_devparam[tgt].goal_flags;
5181
5182 if ((spi->valid & CTS_SPI_VALID_DISC) != 0) {
5183 if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0)
5184 *dptr |= DPARM_DISC;
5185 else
5186 *dptr &= ~DPARM_DISC;
5187 }
5188
5189 if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) {
5190 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0)
5191 *dptr |= DPARM_TQING;
5192 else
5193 *dptr &= ~DPARM_TQING;
5194 }
5195
5196 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) {
5197 if (spi->bus_width == MSG_EXT_WDTR_BUS_16_BIT)
5198 *dptr |= DPARM_WIDE;
5199 else
5200 *dptr &= ~DPARM_WIDE;
5201 }
5202
5203 /*
5204 * XXX: FIX ME
5205 */
5206 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) && (spi->valid & CTS_SPI_VALID_SYNC_RATE) && (spi->sync_period && spi->sync_offset)) {
5207 *dptr |= DPARM_SYNC;
5208 /*
5209 * XXX: CHECK FOR LEGALITY
5210 */
5211 sdp->isp_devparam[tgt].goal_period = spi->sync_period;
5212 sdp->isp_devparam[tgt].goal_offset = spi->sync_offset;
5213 } else {
5214 *dptr &= ~DPARM_SYNC;
5215 }
5216 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,
5217 sdp->isp_devparam[tgt].goal_offset, sdp->isp_devparam[tgt].goal_period);
5218 sdp->isp_devparam[tgt].dev_update = 1;
5219 sdp->update = 1;
5220 }
5221 ccb->ccb_h.status = CAM_REQ_CMP;
5222 xpt_done(ccb);
5223 break;
5224 case XPT_GET_TRAN_SETTINGS:
5225 cts = &ccb->cts;
5226 tgt = cts->ccb_h.target_id;
5227 bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path));
5228 if (IS_FC(isp)) {
5229 fcparam *fcp = FCPARAM(isp, bus);
5230 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
5231 struct ccb_trans_settings_fc *fc = &cts->xport_specific.fc;
5232 unsigned int hdlidx;
5233
5234 cts->protocol = PROTO_SCSI;
5235 cts->protocol_version = SCSI_REV_2;
5236 cts->transport = XPORT_FC;
5237 cts->transport_version = 0;
5238
5239 scsi->valid = CTS_SCSI_VALID_TQ;
5240 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
5241 fc->valid = CTS_FC_VALID_SPEED;
5242 fc->bitrate = 100000;
5243 fc->bitrate *= fcp->isp_gbspeed;
5244 hdlidx = fcp->isp_dev_map[tgt] - 1;
5245 if (hdlidx < MAX_FC_TARG) {
5246 fcportdb_t *lp = &fcp->portdb[hdlidx];
5247 fc->wwnn = lp->node_wwn;
5248 fc->wwpn = lp->port_wwn;
5249 fc->port = lp->portid;
5250 fc->valid |= CTS_FC_VALID_WWNN | CTS_FC_VALID_WWPN | CTS_FC_VALID_PORT;
5251 }
5252 } else {
5253 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
5254 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi;
5255 sdparam *sdp = SDPARAM(isp, bus);
5256 uint16_t dval, pval, oval;
5257
5258 if (IS_CURRENT_SETTINGS(cts)) {
5259 sdp->isp_devparam[tgt].dev_refresh = 1;
5260 sdp->update = 1;
5261 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus);
5262 dval = sdp->isp_devparam[tgt].actv_flags;
5263 oval = sdp->isp_devparam[tgt].actv_offset;
5264 pval = sdp->isp_devparam[tgt].actv_period;
5265 } else {
5266 dval = sdp->isp_devparam[tgt].nvrm_flags;
5267 oval = sdp->isp_devparam[tgt].nvrm_offset;
5268 pval = sdp->isp_devparam[tgt].nvrm_period;
5269 }
5270
5271 cts->protocol = PROTO_SCSI;
5272 cts->protocol_version = SCSI_REV_2;
5273 cts->transport = XPORT_SPI;
5274 cts->transport_version = 2;
5275
5276 spi->valid = 0;
5277 scsi->valid = 0;
5278 spi->flags = 0;
5279 scsi->flags = 0;
5280 if (dval & DPARM_DISC) {
5281 spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
5282 }
5283 if ((dval & DPARM_SYNC) && oval && pval) {
5284 spi->sync_offset = oval;
5285 spi->sync_period = pval;
5286 } else {
5287 spi->sync_offset = 0;
5288 spi->sync_period = 0;
5289 }
5290 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET;
5291 spi->valid |= CTS_SPI_VALID_SYNC_RATE;
5292 spi->valid |= CTS_SPI_VALID_BUS_WIDTH;
5293 if (dval & DPARM_WIDE) {
5294 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
5295 } else {
5296 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
5297 }
5298 if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) {
5299 scsi->valid = CTS_SCSI_VALID_TQ;
5300 if (dval & DPARM_TQING) {
5301 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
5302 }
5303 spi->valid |= CTS_SPI_VALID_DISC;
5304 }
5305 isp_prt(isp, ISP_LOGDEBUG0, "GET %s (%d.%d.%d) to flags %x off %x per %x", IS_CURRENT_SETTINGS(cts)? "ACTIVE" : "NVRAM",
5306 bus, tgt, cts->ccb_h.target_lun, dval, oval, pval);
5307 }
5308 ccb->ccb_h.status = CAM_REQ_CMP;
5309 xpt_done(ccb);
5310 break;
5311
5312 case XPT_CALC_GEOMETRY:
5313 cam_calc_geometry(&ccb->ccg, 1);
5314 xpt_done(ccb);
5315 break;
5316
5317 case XPT_RESET_BUS: /* Reset the specified bus */
5318 bus = cam_sim_bus(sim);
5319 error = isp_control(isp, ISPCTL_RESET_BUS, bus);
5320 if (error) {
5321 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
5322 xpt_done(ccb);
5323 break;
5324 }
5325 if (bootverbose) {
5326 xpt_print(ccb->ccb_h.path, "reset bus on channel %d\n", bus);
5327 }
5328 if (IS_FC(isp)) {
5329 xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, 0);
5330 } else {
5331 xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, 0);
5332 }
5333 ccb->ccb_h.status = CAM_REQ_CMP;
5334 xpt_done(ccb);
5335 break;
5336
5337 case XPT_TERM_IO: /* Terminate the I/O process */
5338 ccb->ccb_h.status = CAM_REQ_INVALID;
5339 xpt_done(ccb);
5340 break;
5341
5342 case XPT_SET_SIM_KNOB: /* Set SIM knobs */
5343 {
5344 struct ccb_sim_knob *kp = &ccb->knob;
5345 fcparam *fcp;
5346
5347 if (!IS_FC(isp)) {
5348 ccb->ccb_h.status = CAM_REQ_INVALID;
5349 xpt_done(ccb);
5350 break;
5351 }
5352
5353 bus = cam_sim_bus(xpt_path_sim(kp->ccb_h.path));
5354 fcp = FCPARAM(isp, bus);
5355
5356 if (kp->xport_specific.fc.valid & KNOB_VALID_ADDRESS) {
5357 fcp->isp_wwnn = ISP_FC_PC(isp, bus)->def_wwnn = kp->xport_specific.fc.wwnn;
5358 fcp->isp_wwpn = ISP_FC_PC(isp, bus)->def_wwpn = kp->xport_specific.fc.wwpn;
5359 isp_prt(isp, ISP_LOGALL, "Setting Channel %d wwns to 0x%jx 0x%jx", bus, fcp->isp_wwnn, fcp->isp_wwpn);
5360 }
5361 ccb->ccb_h.status = CAM_REQ_CMP;
5362 if (kp->xport_specific.fc.valid & KNOB_VALID_ROLE) {
5363 int rchange = 0;
5364 int newrole = 0;
5365
5366 switch (kp->xport_specific.fc.role) {
5367 case KNOB_ROLE_NONE:
5368 if (fcp->role != ISP_ROLE_NONE) {
5369 rchange = 1;
5370 newrole = ISP_ROLE_NONE;
5371 }
5372 break;
5373 case KNOB_ROLE_TARGET:
5374 if (fcp->role != ISP_ROLE_TARGET) {
5375 rchange = 1;
5376 newrole = ISP_ROLE_TARGET;
5377 }
5378 break;
5379 case KNOB_ROLE_INITIATOR:
5380 if (fcp->role != ISP_ROLE_INITIATOR) {
5381 rchange = 1;
5382 newrole = ISP_ROLE_INITIATOR;
5383 }
5384 break;
5385 case KNOB_ROLE_BOTH:
5386 #if 0
5387 if (fcp->role != ISP_ROLE_BOTH) {
5388 rchange = 1;
5389 newrole = ISP_ROLE_BOTH;
5390 }
5391 #else
5392 /*
5393 * We don't really support dual role at present on FC cards.
5394 *
5395 * We should, but a bunch of things are currently broken,
5396 * so don't allow it.
5397 */
5398 isp_prt(isp, ISP_LOGERR, "cannot support dual role at present");
5399 ccb->ccb_h.status = CAM_REQ_INVALID;
5400 #endif
5401 break;
5402 }
5403 if (rchange) {
5404 ISP_PATH_PRT(isp, ISP_LOGCONFIG, ccb->ccb_h.path, "changing role on from %d to %d\n", fcp->role, newrole);
5405 #ifdef ISP_TARGET_MODE
5406 ISP_SET_PC(isp, bus, tm_enabled, 0);
5407 ISP_SET_PC(isp, bus, tm_luns_enabled, 0);
5408 #endif
5409 if (isp_fc_change_role(isp, bus, newrole) != 0) {
5410 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
5411 xpt_done(ccb);
5412 break;
5413 }
5414 #ifdef ISP_TARGET_MODE
5415 if (newrole == ISP_ROLE_TARGET || newrole == ISP_ROLE_BOTH) {
5416 /*
5417 * Give the new role a chance to complain and settle
5418 */
5419 msleep(isp, &isp->isp_lock, PRIBIO, "taking a breather", 2);
5420 ccb->ccb_h.status = isp_enable_deferred_luns(isp, bus);
5421 }
5422 #endif
5423 }
5424 }
5425 xpt_done(ccb);
5426 break;
5427 }
5428 case XPT_GET_SIM_KNOB: /* Get SIM knobs */
5429 {
5430 struct ccb_sim_knob *kp = &ccb->knob;
5431
5432 if (IS_FC(isp)) {
5433 fcparam *fcp;
5434
5435 bus = cam_sim_bus(xpt_path_sim(kp->ccb_h.path));
5436 fcp = FCPARAM(isp, bus);
5437
5438 kp->xport_specific.fc.wwnn = fcp->isp_wwnn;
5439 kp->xport_specific.fc.wwpn = fcp->isp_wwpn;
5440 switch (fcp->role) {
5441 case ISP_ROLE_NONE:
5442 kp->xport_specific.fc.role = KNOB_ROLE_NONE;
5443 break;
5444 case ISP_ROLE_TARGET:
5445 kp->xport_specific.fc.role = KNOB_ROLE_TARGET;
5446 break;
5447 case ISP_ROLE_INITIATOR:
5448 kp->xport_specific.fc.role = KNOB_ROLE_INITIATOR;
5449 break;
5450 case ISP_ROLE_BOTH:
5451 kp->xport_specific.fc.role = KNOB_ROLE_BOTH;
5452 break;
5453 }
5454 kp->xport_specific.fc.valid = KNOB_VALID_ADDRESS | KNOB_VALID_ROLE;
5455 ccb->ccb_h.status = CAM_REQ_CMP;
5456 } else {
5457 ccb->ccb_h.status = CAM_REQ_INVALID;
5458 }
5459 xpt_done(ccb);
5460 break;
5461 }
5462 case XPT_PATH_INQ: /* Path routing inquiry */
5463 {
5464 struct ccb_pathinq *cpi = &ccb->cpi;
5465
5466 cpi->version_num = 1;
5467 #ifdef ISP_TARGET_MODE
5468 cpi->target_sprt = PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO;
5469 #else
5470 cpi->target_sprt = 0;
5471 #endif
5472 cpi->hba_eng_cnt = 0;
5473 cpi->max_target = ISP_MAX_TARGETS(isp) - 1;
5474 cpi->max_lun = ISP_MAX_LUNS(isp) - 1;
5475 cpi->bus_id = cam_sim_bus(sim);
5476 if (isp->isp_osinfo.sixtyfourbit)
5477 cpi->maxio = (ISP_NSEG64_MAX - 1) * PAGE_SIZE;
5478 else
5479 cpi->maxio = (ISP_NSEG_MAX - 1) * PAGE_SIZE;
5480
5481 bus = cam_sim_bus(xpt_path_sim(cpi->ccb_h.path));
5482 if (IS_FC(isp)) {
5483 fcparam *fcp = FCPARAM(isp, bus);
5484
5485 cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED;
5486
5487 /*
5488 * Because our loop ID can shift from time to time,
5489 * make our initiator ID out of range of our bus.
5490 */
5491 cpi->initiator_id = cpi->max_target + 1;
5492
5493 /*
5494 * Set base transfer capabilities for Fibre Channel, for this HBA.
5495 */
5496 if (IS_25XX(isp)) {
5497 cpi->base_transfer_speed = 8000000;
5498 } else if (IS_24XX(isp)) {
5499 cpi->base_transfer_speed = 4000000;
5500 } else if (IS_23XX(isp)) {
5501 cpi->base_transfer_speed = 2000000;
5502 } else {
5503 cpi->base_transfer_speed = 1000000;
5504 }
5505 cpi->hba_inquiry = PI_TAG_ABLE;
5506 cpi->transport = XPORT_FC;
5507 cpi->transport_version = 0;
5508 cpi->xport_specific.fc.wwnn = fcp->isp_wwnn;
5509 cpi->xport_specific.fc.wwpn = fcp->isp_wwpn;
5510 cpi->xport_specific.fc.port = fcp->isp_portid;
5511 cpi->xport_specific.fc.bitrate = fcp->isp_gbspeed * 1000;
5512 } else {
5513 sdparam *sdp = SDPARAM(isp, bus);
5514 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16;
5515 cpi->hba_misc = PIM_UNMAPPED;
5516 cpi->initiator_id = sdp->isp_initiator_id;
5517 cpi->base_transfer_speed = 3300;
5518 cpi->transport = XPORT_SPI;
5519 cpi->transport_version = 2;
5520 }
5521 cpi->protocol = PROTO_SCSI;
5522 cpi->protocol_version = SCSI_REV_2;
5523 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
5524 strncpy(cpi->hba_vid, "Qlogic", HBA_IDLEN);
5525 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
5526 cpi->unit_number = cam_sim_unit(sim);
5527 cpi->ccb_h.status = CAM_REQ_CMP;
5528 xpt_done(ccb);
5529 break;
5530 }
5531 default:
5532 ccb->ccb_h.status = CAM_REQ_INVALID;
5533 xpt_done(ccb);
5534 break;
5535 }
5536 }
5537
5538 #define ISPDDB (CAM_DEBUG_INFO|CAM_DEBUG_TRACE|CAM_DEBUG_CDB)
5539
5540 void
isp_done(XS_T * sccb)5541 isp_done(XS_T *sccb)
5542 {
5543 ispsoftc_t *isp = XS_ISP(sccb);
5544 uint32_t status;
5545
5546 if (XS_NOERR(sccb))
5547 XS_SETERR(sccb, CAM_REQ_CMP);
5548
5549 if ((sccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && (sccb->scsi_status != SCSI_STATUS_OK)) {
5550 sccb->ccb_h.status &= ~CAM_STATUS_MASK;
5551 if ((sccb->scsi_status == SCSI_STATUS_CHECK_COND) && (sccb->ccb_h.status & CAM_AUTOSNS_VALID) == 0) {
5552 sccb->ccb_h.status |= CAM_AUTOSENSE_FAIL;
5553 } else {
5554 sccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR;
5555 }
5556 }
5557
5558 sccb->ccb_h.status &= ~CAM_SIM_QUEUED;
5559 status = sccb->ccb_h.status & CAM_STATUS_MASK;
5560 if (status != CAM_REQ_CMP) {
5561 if (status != CAM_SEL_TIMEOUT)
5562 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);
5563 else if ((IS_FC(isp))
5564 && (XS_TGT(sccb) < MAX_FC_TARG)) {
5565 fcparam *fcp;
5566 int hdlidx;
5567
5568 fcp = FCPARAM(isp, XS_CHANNEL(sccb));
5569 hdlidx = fcp->isp_dev_map[XS_TGT(sccb)] - 1;
5570 /*
5571 * Note that we have reported that this device is
5572 * gone. If it reappears, we'll need to issue a
5573 * rescan.
5574 */
5575 if (hdlidx > 0 && hdlidx < MAX_FC_TARG)
5576 fcp->portdb[hdlidx].reported_gone = 1;
5577 }
5578 if ((sccb->ccb_h.status & CAM_DEV_QFRZN) == 0) {
5579 sccb->ccb_h.status |= CAM_DEV_QFRZN;
5580 xpt_freeze_devq(sccb->ccb_h.path, 1);
5581 }
5582 }
5583
5584 if ((CAM_DEBUGGED(sccb->ccb_h.path, ISPDDB)) && (sccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
5585 xpt_print(sccb->ccb_h.path, "cam completion status 0x%x\n", sccb->ccb_h.status);
5586 }
5587
5588 if (callout_active(&PISP_PCMD(sccb)->wdog))
5589 callout_stop(&PISP_PCMD(sccb)->wdog);
5590 isp_free_pcmd(isp, (union ccb *) sccb);
5591 xpt_done((union ccb *) sccb);
5592 }
5593
5594 void
isp_async(ispsoftc_t * isp,ispasync_t cmd,...)5595 isp_async(ispsoftc_t *isp, ispasync_t cmd, ...)
5596 {
5597 int bus;
5598 static const char prom0[] = "Chan %d PortID 0x%06x handle 0x%x %s %s WWPN 0x%08x%08x";
5599 static const char prom2[] = "Chan %d PortID 0x%06x handle 0x%x %s %s tgt %u WWPN 0x%08x%08x";
5600 char buf[64];
5601 char *msg = NULL;
5602 target_id_t tgt;
5603 fcportdb_t *lp;
5604 struct isp_fc *fc;
5605 struct cam_path *tmppath;
5606 va_list ap;
5607
5608 switch (cmd) {
5609 case ISPASYNC_NEW_TGT_PARAMS:
5610 {
5611 struct ccb_trans_settings_scsi *scsi;
5612 struct ccb_trans_settings_spi *spi;
5613 int flags, tgt;
5614 sdparam *sdp;
5615 struct ccb_trans_settings cts;
5616
5617 memset(&cts, 0, sizeof (struct ccb_trans_settings));
5618
5619 va_start(ap, cmd);
5620 bus = va_arg(ap, int);
5621 tgt = va_arg(ap, int);
5622 va_end(ap);
5623 sdp = SDPARAM(isp, bus);
5624
5625 if (xpt_create_path(&tmppath, NULL, cam_sim_path(ISP_SPI_PC(isp, bus)->sim), tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
5626 isp_prt(isp, ISP_LOGWARN, "isp_async cannot make temp path for %d.%d", tgt, bus);
5627 break;
5628 }
5629 flags = sdp->isp_devparam[tgt].actv_flags;
5630 cts.type = CTS_TYPE_CURRENT_SETTINGS;
5631 cts.protocol = PROTO_SCSI;
5632 cts.transport = XPORT_SPI;
5633
5634 scsi = &cts.proto_specific.scsi;
5635 spi = &cts.xport_specific.spi;
5636
5637 if (flags & DPARM_TQING) {
5638 scsi->valid |= CTS_SCSI_VALID_TQ;
5639 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
5640 }
5641
5642 if (flags & DPARM_DISC) {
5643 spi->valid |= CTS_SPI_VALID_DISC;
5644 spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
5645 }
5646 spi->flags |= CTS_SPI_VALID_BUS_WIDTH;
5647 if (flags & DPARM_WIDE) {
5648 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
5649 } else {
5650 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
5651 }
5652 if (flags & DPARM_SYNC) {
5653 spi->valid |= CTS_SPI_VALID_SYNC_RATE;
5654 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET;
5655 spi->sync_period = sdp->isp_devparam[tgt].actv_period;
5656 spi->sync_offset = sdp->isp_devparam[tgt].actv_offset;
5657 }
5658 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);
5659 xpt_setup_ccb(&cts.ccb_h, tmppath, 1);
5660 xpt_async(AC_TRANSFER_NEG, tmppath, &cts);
5661 xpt_free_path(tmppath);
5662 break;
5663 }
5664 case ISPASYNC_BUS_RESET:
5665 {
5666 va_start(ap, cmd);
5667 bus = va_arg(ap, int);
5668 va_end(ap);
5669 isp_prt(isp, ISP_LOGINFO, "SCSI bus reset on bus %d detected", bus);
5670 if (IS_FC(isp)) {
5671 xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, NULL);
5672 } else {
5673 xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, NULL);
5674 }
5675 break;
5676 }
5677 case ISPASYNC_LIP:
5678 if (msg == NULL) {
5679 msg = "LIP Received";
5680 }
5681 /* FALLTHROUGH */
5682 case ISPASYNC_LOOP_RESET:
5683 if (msg == NULL) {
5684 msg = "LOOP Reset";
5685 }
5686 /* FALLTHROUGH */
5687 case ISPASYNC_LOOP_DOWN:
5688 {
5689 if (msg == NULL) {
5690 msg = "LOOP Down";
5691 }
5692 va_start(ap, cmd);
5693 bus = va_arg(ap, int);
5694 va_end(ap);
5695
5696 FCPARAM(isp, bus)->link_active = 0;
5697
5698 fc = ISP_FC_PC(isp, bus);
5699 if (cmd == ISPASYNC_LOOP_DOWN && fc->ready) {
5700 /*
5701 * We don't do any simq freezing if we are only in target mode
5702 */
5703 if (FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) {
5704 if (fc->path) {
5705 isp_freeze_loopdown(isp, bus, msg);
5706 }
5707 if (!callout_active(&fc->ldt)) {
5708 callout_reset(&fc->ldt, fc->loop_down_limit * hz, isp_ldt, fc);
5709 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Starting Loop Down Timer @ %lu", (unsigned long) time_uptime);
5710 }
5711 }
5712 }
5713 isp_fcp_reset_crn(fc, /*tgt*/0, /*tgt_set*/ 0);
5714
5715 isp_prt(isp, ISP_LOGINFO, "Chan %d: %s", bus, msg);
5716 break;
5717 }
5718 case ISPASYNC_LOOP_UP:
5719 va_start(ap, cmd);
5720 bus = va_arg(ap, int);
5721 va_end(ap);
5722 fc = ISP_FC_PC(isp, bus);
5723 /*
5724 * Now we just note that Loop has come up. We don't
5725 * actually do anything because we're waiting for a
5726 * Change Notify before activating the FC cleanup
5727 * thread to look at the state of the loop again.
5728 */
5729 FCPARAM(isp, bus)->link_active = 1;
5730 fc->loop_dead = 0;
5731 fc->loop_down_time = 0;
5732 isp_prt(isp, ISP_LOGINFO, "Chan %d Loop UP", bus);
5733 break;
5734 case ISPASYNC_DEV_ARRIVED:
5735 va_start(ap, cmd);
5736 bus = va_arg(ap, int);
5737 lp = va_arg(ap, fcportdb_t *);
5738 va_end(ap);
5739 fc = ISP_FC_PC(isp, bus);
5740 lp->announced = 0;
5741 lp->gone_timer = 0;
5742 if ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && (lp->prli_word3 & PRLI_WD3_TARGET_FUNCTION)) {
5743 int dbidx = lp - FCPARAM(isp, bus)->portdb;
5744 int i;
5745
5746 for (i = 0; i < MAX_FC_TARG; i++) {
5747 if (i >= FL_ID && i <= SNS_ID) {
5748 continue;
5749 }
5750 if (FCPARAM(isp, bus)->isp_dev_map[i] == 0) {
5751 break;
5752 }
5753 }
5754 if (i < MAX_FC_TARG) {
5755 FCPARAM(isp, bus)->isp_dev_map[i] = dbidx + 1;
5756 lp->dev_map_idx = i + 1;
5757 } else {
5758 isp_prt(isp, ISP_LOGWARN, "out of target ids");
5759 isp_dump_portdb(isp, bus);
5760 }
5761 }
5762 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
5763 if (lp->dev_map_idx) {
5764 tgt = lp->dev_map_idx - 1;
5765 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);
5766 isp_fcp_reset_crn(fc, tgt, /*tgt_set*/ 1);
5767 isp_make_here(isp, lp, bus, tgt);
5768 } else {
5769 isp_prt(isp, ISP_LOGCONFIG, prom0, bus, lp->portid, lp->handle, buf, "arrived", (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5770 }
5771 break;
5772 case ISPASYNC_DEV_CHANGED:
5773 va_start(ap, cmd);
5774 bus = va_arg(ap, int);
5775 lp = va_arg(ap, fcportdb_t *);
5776 va_end(ap);
5777 fc = ISP_FC_PC(isp, bus);
5778 lp->announced = 0;
5779 lp->gone_timer = 0;
5780 if (isp_change_is_bad) {
5781 lp->state = FC_PORTDB_STATE_NIL;
5782 if (lp->dev_map_idx) {
5783 tgt = lp->dev_map_idx - 1;
5784 FCPARAM(isp, bus)->isp_dev_map[tgt] = 0;
5785 lp->dev_map_idx = 0;
5786 isp_prt(isp, ISP_LOGCONFIG, prom3, bus, lp->portid, tgt, "change is bad");
5787 isp_make_gone(isp, lp, bus, tgt);
5788 } else {
5789 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
5790 isp_prt(isp, ISP_LOGCONFIG, prom0, bus, lp->portid, lp->handle, buf, "changed and departed",
5791 (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5792 }
5793 } else {
5794 lp->portid = lp->new_portid;
5795 lp->prli_word3 = lp->new_prli_word3;
5796 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
5797 if (lp->dev_map_idx) {
5798 int t = lp->dev_map_idx - 1;
5799 FCPARAM(isp, bus)->isp_dev_map[t] = (lp - FCPARAM(isp, bus)->portdb) + 1;
5800 tgt = lp->dev_map_idx - 1;
5801 isp_prt(isp, ISP_LOGCONFIG, prom2, bus, lp->portid, lp->handle, buf, "changed at", tgt,
5802 (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5803 isp_fcp_reset_crn(fc, tgt, /*tgt_set*/ 1);
5804 } else {
5805 isp_prt(isp, ISP_LOGCONFIG, prom0, bus, lp->portid, lp->handle, buf, "changed", (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5806 }
5807 }
5808 break;
5809 case ISPASYNC_DEV_STAYED:
5810 va_start(ap, cmd);
5811 bus = va_arg(ap, int);
5812 lp = va_arg(ap, fcportdb_t *);
5813 va_end(ap);
5814 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
5815 if (lp->dev_map_idx) {
5816 fc = ISP_FC_PC(isp, bus);
5817 tgt = lp->dev_map_idx - 1;
5818 isp_prt(isp, ISP_LOGCONFIG, prom2, bus, lp->portid, lp->handle, buf, "stayed at", tgt,
5819 (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5820 /*
5821 * Only issue a rescan if we've actually reported
5822 * that this device is gone.
5823 */
5824 if (lp->reported_gone != 0) {
5825 isp_prt(isp, ISP_LOGCONFIG, prom2, bus, lp->portid, lp->handle, buf, "rescanned at", tgt,
5826 (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5827 isp_make_here(isp, lp, bus, tgt);
5828 }
5829 } else {
5830 isp_prt(isp, ISP_LOGCONFIG, prom0, bus, lp->portid, lp->handle, buf, "stayed",
5831 (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5832 }
5833 break;
5834 case ISPASYNC_DEV_GONE:
5835 va_start(ap, cmd);
5836 bus = va_arg(ap, int);
5837 lp = va_arg(ap, fcportdb_t *);
5838 va_end(ap);
5839 fc = ISP_FC_PC(isp, bus);
5840 /*
5841 * If this has a virtual target and we haven't marked it
5842 * that we're going to have isp_gdt tell the OS it's gone,
5843 * set the isp_gdt timer running on it.
5844 *
5845 * If it isn't marked that isp_gdt is going to get rid of it,
5846 * announce that it's gone.
5847 *
5848 */
5849 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
5850 if (lp->dev_map_idx && lp->announced == 0) {
5851 lp->announced = 1;
5852 lp->state = FC_PORTDB_STATE_ZOMBIE;
5853 lp->gone_timer = ISP_FC_PC(isp, bus)->gone_device_time;
5854 if (fc->ready && !callout_active(&fc->gdt)) {
5855 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);
5856 callout_reset(&fc->gdt, hz, isp_gdt, fc);
5857 }
5858 tgt = lp->dev_map_idx - 1;
5859 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);
5860 isp_fcp_reset_crn(fc, tgt, /*tgt_set*/ 1);
5861 } else if (lp->announced == 0) {
5862 isp_prt(isp, ISP_LOGCONFIG, prom0, bus, lp->portid, lp->handle, buf, "departed", (uint32_t) (lp->port_wwn >> 32), (uint32_t) lp->port_wwn);
5863 }
5864 break;
5865 case ISPASYNC_CHANGE_NOTIFY:
5866 {
5867 char *msg;
5868 int evt, nphdl, nlstate, reason;
5869
5870 va_start(ap, cmd);
5871 bus = va_arg(ap, int);
5872 evt = va_arg(ap, int);
5873 if (IS_24XX(isp) && evt == ISPASYNC_CHANGE_PDB) {
5874 nphdl = va_arg(ap, int);
5875 nlstate = va_arg(ap, int);
5876 reason = va_arg(ap, int);
5877 } else {
5878 nphdl = NIL_HANDLE;
5879 nlstate = reason = 0;
5880 }
5881 va_end(ap);
5882 fc = ISP_FC_PC(isp, bus);
5883
5884 if (evt == ISPASYNC_CHANGE_PDB) {
5885 msg = "Chan %d Port Database Changed";
5886 } else if (evt == ISPASYNC_CHANGE_SNS) {
5887 msg = "Chan %d Name Server Database Changed";
5888 } else {
5889 msg = "Chan %d Other Change Notify";
5890 }
5891
5892 /*
5893 * If the loop down timer is running, cancel it.
5894 */
5895 if (fc->ready && callout_active(&fc->ldt)) {
5896 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Stopping Loop Down Timer @ %lu", (unsigned long) time_uptime);
5897 callout_stop(&fc->ldt);
5898 }
5899 isp_prt(isp, ISP_LOGINFO, msg, bus);
5900 if (FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) {
5901 isp_freeze_loopdown(isp, bus, msg);
5902 }
5903 wakeup(fc);
5904 break;
5905 }
5906 #ifdef ISP_TARGET_MODE
5907 case ISPASYNC_TARGET_NOTIFY:
5908 {
5909 isp_notify_t *notify;
5910 va_start(ap, cmd);
5911 notify = va_arg(ap, isp_notify_t *);
5912 va_end(ap);
5913 switch (notify->nt_ncode) {
5914 case NT_ABORT_TASK:
5915 case NT_ABORT_TASK_SET:
5916 case NT_CLEAR_ACA:
5917 case NT_CLEAR_TASK_SET:
5918 case NT_LUN_RESET:
5919 case NT_TARGET_RESET:
5920 /*
5921 * These are task management functions.
5922 */
5923 isp_handle_platform_target_tmf(isp, notify);
5924 break;
5925 case NT_BUS_RESET:
5926 case NT_LIP_RESET:
5927 case NT_LINK_UP:
5928 case NT_LINK_DOWN:
5929 /*
5930 * No action need be taken here.
5931 */
5932 break;
5933 case NT_HBA_RESET:
5934 isp_del_all_wwn_entries(isp, ISP_NOCHAN);
5935 break;
5936 case NT_GLOBAL_LOGOUT:
5937 case NT_LOGOUT:
5938 /*
5939 * This is device arrival/departure notification
5940 */
5941 isp_handle_platform_target_notify_ack(isp, notify);
5942 break;
5943 case NT_ARRIVED:
5944 {
5945 struct ac_contract ac;
5946 struct ac_device_changed *fc;
5947
5948 ac.contract_number = AC_CONTRACT_DEV_CHG;
5949 fc = (struct ac_device_changed *) ac.contract_data;
5950 fc->wwpn = notify->nt_wwn;
5951 fc->port = notify->nt_sid;
5952 fc->target = notify->nt_nphdl;
5953 fc->arrived = 1;
5954 xpt_async(AC_CONTRACT, ISP_FC_PC(isp, notify->nt_channel)->path, &ac);
5955 break;
5956 }
5957 case NT_DEPARTED:
5958 {
5959 struct ac_contract ac;
5960 struct ac_device_changed *fc;
5961
5962 ac.contract_number = AC_CONTRACT_DEV_CHG;
5963 fc = (struct ac_device_changed *) ac.contract_data;
5964 fc->wwpn = notify->nt_wwn;
5965 fc->port = notify->nt_sid;
5966 fc->target = notify->nt_nphdl;
5967 fc->arrived = 0;
5968 xpt_async(AC_CONTRACT, ISP_FC_PC(isp, notify->nt_channel)->path, &ac);
5969 break;
5970 }
5971 default:
5972 isp_prt(isp, ISP_LOGALL, "target notify code 0x%x", notify->nt_ncode);
5973 isp_handle_platform_target_notify_ack(isp, notify);
5974 break;
5975 }
5976 break;
5977 }
5978 case ISPASYNC_TARGET_NOTIFY_ACK:
5979 {
5980 void *inot;
5981 va_start(ap, cmd);
5982 inot = va_arg(ap, void *);
5983 va_end(ap);
5984 if (isp_notify_ack(isp, inot)) {
5985 isp_tna_t *tp = malloc(sizeof (*tp), M_DEVBUF, M_NOWAIT);
5986 if (tp) {
5987 tp->isp = isp;
5988 if (inot) {
5989 memcpy(tp->data, inot, sizeof (tp->data));
5990 tp->not = tp->data;
5991 } else {
5992 tp->not = NULL;
5993 }
5994 (void) timeout(isp_refire_notify_ack, tp, 5);
5995 } else {
5996 isp_prt(isp, ISP_LOGERR, "you lose- cannot allocate a notify refire");
5997 }
5998 }
5999 break;
6000 }
6001 case ISPASYNC_TARGET_ACTION:
6002 {
6003 isphdr_t *hp;
6004
6005 va_start(ap, cmd);
6006 hp = va_arg(ap, isphdr_t *);
6007 va_end(ap);
6008 switch (hp->rqs_entry_type) {
6009 default:
6010 isp_prt(isp, ISP_LOGWARN, "%s: unhandled target action 0x%x", __func__, hp->rqs_entry_type);
6011 break;
6012 case RQSTYPE_NOTIFY:
6013 if (IS_SCSI(isp)) {
6014 isp_handle_platform_notify_scsi(isp, (in_entry_t *) hp);
6015 } else if (IS_24XX(isp)) {
6016 isp_handle_platform_notify_24xx(isp, (in_fcentry_24xx_t *) hp);
6017 } else {
6018 isp_handle_platform_notify_fc(isp, (in_fcentry_t *) hp);
6019 }
6020 break;
6021 case RQSTYPE_ATIO:
6022 if (IS_24XX(isp)) {
6023 isp_handle_platform_atio7(isp, (at7_entry_t *) hp);
6024 } else {
6025 isp_handle_platform_atio(isp, (at_entry_t *) hp);
6026 }
6027 break;
6028 case RQSTYPE_ATIO2:
6029 isp_handle_platform_atio2(isp, (at2_entry_t *) hp);
6030 break;
6031 case RQSTYPE_CTIO7:
6032 case RQSTYPE_CTIO3:
6033 case RQSTYPE_CTIO2:
6034 case RQSTYPE_CTIO:
6035 isp_handle_platform_ctio(isp, hp);
6036 break;
6037 case RQSTYPE_ABTS_RCVD:
6038 {
6039 abts_t *abts = (abts_t *)hp;
6040 isp_notify_t notify, *nt = ¬ify;
6041 tstate_t *tptr;
6042 fcportdb_t *lp;
6043 uint16_t chan;
6044 uint32_t sid, did;
6045
6046 did = (abts->abts_did_hi << 16) | abts->abts_did_lo;
6047 sid = (abts->abts_sid_hi << 16) | abts->abts_sid_lo;
6048 ISP_MEMZERO(nt, sizeof (isp_notify_t));
6049
6050 nt->nt_hba = isp;
6051 nt->nt_did = did;
6052 nt->nt_nphdl = abts->abts_nphdl;
6053 nt->nt_sid = sid;
6054 isp_find_chan_by_did(isp, did, &chan);
6055 if (chan == ISP_NOCHAN) {
6056 nt->nt_tgt = TGT_ANY;
6057 } else {
6058 nt->nt_tgt = FCPARAM(isp, chan)->isp_wwpn;
6059 if (isp_find_pdb_by_loopid(isp, chan, abts->abts_nphdl, &lp)) {
6060 nt->nt_wwn = lp->port_wwn;
6061 } else {
6062 nt->nt_wwn = INI_ANY;
6063 }
6064 }
6065 /*
6066 * Try hard to find the lun for this command.
6067 */
6068 tptr = get_lun_statep_from_tag(isp, chan, abts->abts_rxid_task);
6069 if (tptr) {
6070 nt->nt_lun = tptr->ts_lun;
6071 rls_lun_statep(isp, tptr);
6072 } else {
6073 nt->nt_lun = LUN_ANY;
6074 }
6075 nt->nt_need_ack = 1;
6076 nt->nt_tagval = abts->abts_rxid_task;
6077 nt->nt_tagval |= (((uint64_t) abts->abts_rxid_abts) << 32);
6078 if (abts->abts_rxid_task == ISP24XX_NO_TASK) {
6079 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)",
6080 abts->abts_rxid_abts, abts->abts_nphdl, sid, abts->abts_rx_id, abts->abts_ox_id);
6081 } else {
6082 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)",
6083 abts->abts_rxid_abts, abts->abts_nphdl, sid, abts->abts_rxid_task, abts->abts_rx_id, abts->abts_ox_id);
6084 }
6085 nt->nt_channel = chan;
6086 nt->nt_ncode = NT_ABORT_TASK;
6087 nt->nt_lreserved = hp;
6088 isp_handle_platform_target_tmf(isp, nt);
6089 break;
6090 }
6091 case RQSTYPE_ENABLE_LUN:
6092 case RQSTYPE_MODIFY_LUN:
6093 isp_ledone(isp, (lun_entry_t *) hp);
6094 break;
6095 }
6096 break;
6097 }
6098 #endif
6099 case ISPASYNC_FW_CRASH:
6100 {
6101 uint16_t mbox1, mbox6;
6102 mbox1 = ISP_READ(isp, OUTMAILBOX1);
6103 if (IS_DUALBUS(isp)) {
6104 mbox6 = ISP_READ(isp, OUTMAILBOX6);
6105 } else {
6106 mbox6 = 0;
6107 }
6108 isp_prt(isp, ISP_LOGERR, "Internal Firmware Error on bus %d @ RISC Address 0x%x", mbox6, mbox1);
6109 mbox1 = isp->isp_osinfo.mbox_sleep_ok;
6110 isp->isp_osinfo.mbox_sleep_ok = 0;
6111 isp_reinit(isp, 1);
6112 isp->isp_osinfo.mbox_sleep_ok = mbox1;
6113 isp_async(isp, ISPASYNC_FW_RESTARTED, NULL);
6114 break;
6115 }
6116 default:
6117 isp_prt(isp, ISP_LOGERR, "unknown isp_async event %d", cmd);
6118 break;
6119 }
6120 }
6121
6122
6123 /*
6124 * Locks are held before coming here.
6125 */
6126 void
isp_uninit(ispsoftc_t * isp)6127 isp_uninit(ispsoftc_t *isp)
6128 {
6129 if (IS_24XX(isp)) {
6130 ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_RESET);
6131 } else {
6132 ISP_WRITE(isp, HCCR, HCCR_CMD_RESET);
6133 }
6134 ISP_DISABLE_INTS(isp);
6135 }
6136
6137 /*
6138 * When we want to get the 'default' WWNs (when lacking NVRAM), we pick them
6139 * up from our platform default (defww{p|n}n) and morph them based upon
6140 * channel.
6141 *
6142 * When we want to get the 'active' WWNs, we get NVRAM WWNs and then morph them
6143 * based upon channel.
6144 */
6145
6146 uint64_t
isp_default_wwn(ispsoftc_t * isp,int chan,int isactive,int iswwnn)6147 isp_default_wwn(ispsoftc_t * isp, int chan, int isactive, int iswwnn)
6148 {
6149 uint64_t seed;
6150 struct isp_fc *fc = ISP_FC_PC(isp, chan);
6151
6152 /*
6153 * If we're asking for a active WWN, the default overrides get
6154 * returned, otherwise the NVRAM value is picked.
6155 *
6156 * If we're asking for a default WWN, we just pick the default override.
6157 */
6158 if (isactive) {
6159 seed = iswwnn ? fc->def_wwnn : fc->def_wwpn;
6160 if (seed) {
6161 return (seed);
6162 }
6163 seed = iswwnn ? FCPARAM(isp, chan)->isp_wwnn_nvram : FCPARAM(isp, chan)->isp_wwpn_nvram;
6164 if (seed) {
6165 return (seed);
6166 }
6167 return (0x400000007F000009ull);
6168 }
6169
6170 seed = iswwnn ? fc->def_wwnn : fc->def_wwpn;
6171
6172 /*
6173 * For channel zero just return what we have. For either ACTIVE or
6174 * DEFAULT cases, we depend on default override of NVRAM values for
6175 * channel zero.
6176 */
6177 if (chan == 0) {
6178 return (seed);
6179 }
6180
6181 /*
6182 * For other channels, we are doing one of three things:
6183 *
6184 * 1. If what we have now is non-zero, return it. Otherwise we morph
6185 * values from channel 0. 2. If we're here for a WWPN we synthesize
6186 * it if Channel 0's wwpn has a type 2 NAA. 3. If we're here for a
6187 * WWNN we synthesize it if Channel 0's wwnn has a type 2 NAA.
6188 */
6189
6190 if (seed) {
6191 return (seed);
6192 }
6193 seed = iswwnn ? ISP_FC_PC(isp, 0)->def_wwnn : ISP_FC_PC(isp, 0)->def_wwpn;
6194 if (seed == 0)
6195 seed = iswwnn ? FCPARAM(isp, 0)->isp_wwnn_nvram : FCPARAM(isp, 0)->isp_wwpn_nvram;
6196
6197 if (((seed >> 60) & 0xf) == 2) {
6198 /*
6199 * The type 2 NAA fields for QLogic cards appear be laid out
6200 * thusly:
6201 *
6202 * bits 63..60 NAA == 2 bits 59..57 unused/zero bit 56
6203 * port (1) or node (0) WWN distinguishor bit 48
6204 * physical port on dual-port chips (23XX/24XX)
6205 *
6206 * This is somewhat nutty, particularly since bit 48 is
6207 * irrelevant as they assign separate serial numbers to
6208 * different physical ports anyway.
6209 *
6210 * We'll stick our channel number plus one first into bits
6211 * 57..59 and thence into bits 52..55 which allows for 8 bits
6212 * of channel which is comfortably more than our maximum
6213 * (126) now.
6214 */
6215 seed &= ~0x0FF0000000000000ULL;
6216 if (iswwnn == 0) {
6217 seed |= ((uint64_t) (chan + 1) & 0xf) << 56;
6218 seed |= ((uint64_t) ((chan + 1) >> 4) & 0xf) << 52;
6219 }
6220 } else {
6221 seed = 0;
6222 }
6223 return (seed);
6224 }
6225
6226 void
isp_prt(ispsoftc_t * isp,int level,const char * fmt,...)6227 isp_prt(ispsoftc_t *isp, int level, const char *fmt, ...)
6228 {
6229 int loc;
6230 char lbuf[200];
6231 va_list ap;
6232
6233 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) {
6234 return;
6235 }
6236 snprintf(lbuf, sizeof (lbuf), "%s: ", device_get_nameunit(isp->isp_dev));
6237 loc = strlen(lbuf);
6238 va_start(ap, fmt);
6239 vsnprintf(&lbuf[loc], sizeof (lbuf) - loc - 1, fmt, ap);
6240 va_end(ap);
6241 printf("%s\n", lbuf);
6242 }
6243
6244 void
isp_xs_prt(ispsoftc_t * isp,XS_T * xs,int level,const char * fmt,...)6245 isp_xs_prt(ispsoftc_t *isp, XS_T *xs, int level, const char *fmt, ...)
6246 {
6247 va_list ap;
6248 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) {
6249 return;
6250 }
6251 xpt_print_path(xs->ccb_h.path);
6252 va_start(ap, fmt);
6253 vprintf(fmt, ap);
6254 va_end(ap);
6255 printf("\n");
6256 }
6257
6258 uint64_t
isp_nanotime_sub(struct timespec * b,struct timespec * a)6259 isp_nanotime_sub(struct timespec *b, struct timespec *a)
6260 {
6261 uint64_t elapsed;
6262 struct timespec x = *b;
6263 timespecsub(&x, a);
6264 elapsed = GET_NANOSEC(&x);
6265 if (elapsed == 0)
6266 elapsed++;
6267 return (elapsed);
6268 }
6269
6270 int
isp_mbox_acquire(ispsoftc_t * isp)6271 isp_mbox_acquire(ispsoftc_t *isp)
6272 {
6273 if (isp->isp_osinfo.mboxbsy) {
6274 return (1);
6275 } else {
6276 isp->isp_osinfo.mboxcmd_done = 0;
6277 isp->isp_osinfo.mboxbsy = 1;
6278 return (0);
6279 }
6280 }
6281
6282 void
isp_mbox_wait_complete(ispsoftc_t * isp,mbreg_t * mbp)6283 isp_mbox_wait_complete(ispsoftc_t *isp, mbreg_t *mbp)
6284 {
6285 unsigned int usecs = mbp->timeout;
6286 unsigned int max, olim, ilim;
6287
6288 if (usecs == 0) {
6289 usecs = MBCMD_DEFAULT_TIMEOUT;
6290 }
6291 max = isp->isp_mbxwrk0 + 1;
6292
6293 if (isp->isp_osinfo.mbox_sleep_ok) {
6294 unsigned int ms = (usecs + 999) / 1000;
6295
6296 isp->isp_osinfo.mbox_sleep_ok = 0;
6297 isp->isp_osinfo.mbox_sleeping = 1;
6298 for (olim = 0; olim < max; olim++) {
6299 msleep(&isp->isp_mbxworkp, &isp->isp_osinfo.lock, PRIBIO, "ispmbx_sleep", isp_mstohz(ms));
6300 if (isp->isp_osinfo.mboxcmd_done) {
6301 break;
6302 }
6303 }
6304 isp->isp_osinfo.mbox_sleep_ok = 1;
6305 isp->isp_osinfo.mbox_sleeping = 0;
6306 } else {
6307 for (olim = 0; olim < max; olim++) {
6308 for (ilim = 0; ilim < usecs; ilim += 100) {
6309 uint32_t isr;
6310 uint16_t sema, mbox;
6311 if (isp->isp_osinfo.mboxcmd_done) {
6312 break;
6313 }
6314 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) {
6315 isp_intr(isp, isr, sema, mbox);
6316 if (isp->isp_osinfo.mboxcmd_done) {
6317 break;
6318 }
6319 }
6320 ISP_DELAY(100);
6321 }
6322 if (isp->isp_osinfo.mboxcmd_done) {
6323 break;
6324 }
6325 }
6326 }
6327 if (isp->isp_osinfo.mboxcmd_done == 0) {
6328 isp_prt(isp, ISP_LOGWARN, "%s Mailbox Command (0x%x) Timeout (%uus) (started @ %s:%d)",
6329 isp->isp_osinfo.mbox_sleep_ok? "Interrupting" : "Polled", isp->isp_lastmbxcmd, usecs, mbp->func, mbp->lineno);
6330 mbp->param[0] = MBOX_TIMEOUT;
6331 isp->isp_osinfo.mboxcmd_done = 1;
6332 }
6333 }
6334
6335 void
isp_mbox_notify_done(ispsoftc_t * isp)6336 isp_mbox_notify_done(ispsoftc_t *isp)
6337 {
6338 if (isp->isp_osinfo.mbox_sleeping) {
6339 wakeup(&isp->isp_mbxworkp);
6340 }
6341 isp->isp_osinfo.mboxcmd_done = 1;
6342 }
6343
6344 void
isp_mbox_release(ispsoftc_t * isp)6345 isp_mbox_release(ispsoftc_t *isp)
6346 {
6347 isp->isp_osinfo.mboxbsy = 0;
6348 }
6349
6350 int
isp_fc_scratch_acquire(ispsoftc_t * isp,int chan)6351 isp_fc_scratch_acquire(ispsoftc_t *isp, int chan)
6352 {
6353 int ret = 0;
6354 if (isp->isp_osinfo.pc.fc[chan].fcbsy) {
6355 ret = -1;
6356 } else {
6357 isp->isp_osinfo.pc.fc[chan].fcbsy = 1;
6358 }
6359 return (ret);
6360 }
6361
6362 int
isp_mstohz(int ms)6363 isp_mstohz(int ms)
6364 {
6365 int hz;
6366 struct timeval t;
6367 t.tv_sec = ms / 1000;
6368 t.tv_usec = (ms % 1000) * 1000;
6369 hz = tvtohz(&t);
6370 if (hz < 0) {
6371 hz = 0x7fffffff;
6372 }
6373 if (hz == 0) {
6374 hz = 1;
6375 }
6376 return (hz);
6377 }
6378
6379 void
isp_platform_intr(void * arg)6380 isp_platform_intr(void *arg)
6381 {
6382 ispsoftc_t *isp = arg;
6383 uint32_t isr;
6384 uint16_t sema, mbox;
6385
6386 ISP_LOCK(isp);
6387 isp->isp_intcnt++;
6388 if (ISP_READ_ISR(isp, &isr, &sema, &mbox) == 0) {
6389 isp->isp_intbogus++;
6390 } else {
6391 isp_intr(isp, isr, sema, mbox);
6392 }
6393 ISP_UNLOCK(isp);
6394 }
6395
6396 void
isp_common_dmateardown(ispsoftc_t * isp,struct ccb_scsiio * csio,uint32_t hdl)6397 isp_common_dmateardown(ispsoftc_t *isp, struct ccb_scsiio *csio, uint32_t hdl)
6398 {
6399 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
6400 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTREAD);
6401 } else {
6402 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTWRITE);
6403 }
6404 bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap);
6405 }
6406
6407 /*
6408 * Reset the command reference number for all LUNs on a specific target
6409 * (needed when a target arrives again) or for all targets on a port
6410 * (needed for events like a LIP).
6411 */
6412 void
isp_fcp_reset_crn(struct isp_fc * fc,uint32_t tgt,int tgt_set)6413 isp_fcp_reset_crn(struct isp_fc *fc, uint32_t tgt, int tgt_set)
6414 {
6415 int i;
6416 struct isp_nexus *nxp;
6417
6418 if (tgt_set == 0)
6419 isp_prt(fc->isp, ISP_LOG_SANCFG, "resetting CRN on all targets");
6420 else
6421 isp_prt(fc->isp, ISP_LOG_SANCFG, "resetting CRN target %u", tgt);
6422
6423 for (i = 0; i < NEXUS_HASH_WIDTH; i++) {
6424 nxp = fc->nexus_hash[i];
6425 while (nxp) {
6426 if ((tgt_set != 0) && (tgt == nxp->tgt))
6427 nxp->crnseed = 0;
6428
6429 nxp = nxp->next;
6430 }
6431 }
6432 }
6433
6434 int
isp_fcp_next_crn(ispsoftc_t * isp,uint8_t * crnp,XS_T * cmd)6435 isp_fcp_next_crn(ispsoftc_t *isp, uint8_t *crnp, XS_T *cmd)
6436 {
6437 uint32_t chan, tgt, lun;
6438 struct isp_fc *fc;
6439 struct isp_nexus *nxp;
6440 int idx;
6441
6442 if (isp->isp_type < ISP_HA_FC_2300)
6443 return (0);
6444
6445 chan = XS_CHANNEL(cmd);
6446 tgt = XS_TGT(cmd);
6447 lun = XS_LUN(cmd);
6448 fc = &isp->isp_osinfo.pc.fc[chan];
6449 idx = NEXUS_HASH(tgt, lun);
6450 nxp = fc->nexus_hash[idx];
6451
6452 while (nxp) {
6453 if (nxp->tgt == tgt && nxp->lun == lun)
6454 break;
6455 nxp = nxp->next;
6456 }
6457 if (nxp == NULL) {
6458 nxp = fc->nexus_free_list;
6459 if (nxp == NULL) {
6460 nxp = malloc(sizeof (struct isp_nexus), M_DEVBUF, M_ZERO|M_NOWAIT);
6461 if (nxp == NULL) {
6462 return (-1);
6463 }
6464 } else {
6465 fc->nexus_free_list = nxp->next;
6466 }
6467 nxp->tgt = tgt;
6468 nxp->lun = lun;
6469 nxp->next = fc->nexus_hash[idx];
6470 fc->nexus_hash[idx] = nxp;
6471 }
6472 if (nxp) {
6473 if (nxp->crnseed == 0)
6474 nxp->crnseed = 1;
6475 if (cmd)
6476 PISP_PCMD(cmd)->crn = nxp->crnseed;
6477 *crnp = nxp->crnseed++;
6478 return (0);
6479 }
6480 return (-1);
6481 }
6482
6483 /*
6484 * We enter with the lock held
6485 */
6486 void
isp_timer(void * arg)6487 isp_timer(void *arg)
6488 {
6489 ispsoftc_t *isp = arg;
6490 #ifdef ISP_TARGET_MODE
6491 isp_tmcmd_restart(isp);
6492 #endif
6493 callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp);
6494 }
6495
6496 isp_ecmd_t *
isp_get_ecmd(ispsoftc_t * isp)6497 isp_get_ecmd(ispsoftc_t *isp)
6498 {
6499 isp_ecmd_t *ecmd = isp->isp_osinfo.ecmd_free;
6500 if (ecmd) {
6501 isp->isp_osinfo.ecmd_free = ecmd->next;
6502 }
6503 return (ecmd);
6504 }
6505
6506 void
isp_put_ecmd(ispsoftc_t * isp,isp_ecmd_t * ecmd)6507 isp_put_ecmd(ispsoftc_t *isp, isp_ecmd_t *ecmd)
6508 {
6509 ecmd->next = isp->isp_osinfo.ecmd_free;
6510 isp->isp_osinfo.ecmd_free = ecmd;
6511 }
6512