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_loop_down_limit = 60; /* default loop down limit */
54 int isp_quickboot_time = 7; /* don't wait more than N secs for loop up */
55 int isp_gone_device_time = 30; /* grace time before reporting device lost */
56 static const char prom3[] = "Chan %d [%u] PortID 0x%06x Departed because of %s";
57
58 static void isp_freeze_loopdown(ispsoftc_t *, int);
59 static void isp_loop_changed(ispsoftc_t *isp, int chan);
60 static d_ioctl_t ispioctl;
61 static void isp_intr_enable(void *);
62 static void isp_cam_async(void *, uint32_t, struct cam_path *, void *);
63 static void isp_poll(struct cam_sim *);
64 static timeout_t isp_watchdog;
65 static timeout_t isp_gdt;
66 static task_fn_t isp_gdt_task;
67 static void isp_kthread(void *);
68 static void isp_action(struct cam_sim *, union ccb *);
69 static int isp_timer_count;
70 static void isp_timer(void *);
71
72 static struct cdevsw isp_cdevsw = {
73 .d_version = D_VERSION,
74 .d_ioctl = ispioctl,
75 .d_name = "isp",
76 };
77
78 static int
isp_role_sysctl(SYSCTL_HANDLER_ARGS)79 isp_role_sysctl(SYSCTL_HANDLER_ARGS)
80 {
81 ispsoftc_t *isp = (ispsoftc_t *)arg1;
82 int chan = arg2;
83 int error, old, value;
84
85 value = FCPARAM(isp, chan)->role;
86
87 error = sysctl_handle_int(oidp, &value, 0, req);
88 if ((error != 0) || (req->newptr == NULL))
89 return (error);
90
91 if (value < ISP_ROLE_NONE || value > ISP_ROLE_BOTH)
92 return (EINVAL);
93
94 ISP_LOCK(isp);
95 old = FCPARAM(isp, chan)->role;
96
97 /* We don't allow target mode switch from here. */
98 value = (old & ISP_ROLE_TARGET) | (value & ISP_ROLE_INITIATOR);
99
100 /* If nothing has changed -- we are done. */
101 if (value == old) {
102 ISP_UNLOCK(isp);
103 return (0);
104 }
105
106 /* Actually change the role. */
107 error = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, value);
108 ISP_UNLOCK(isp);
109 return (error);
110 }
111
112 static int
isp_attach_chan(ispsoftc_t * isp,struct cam_devq * devq,int chan)113 isp_attach_chan(ispsoftc_t *isp, struct cam_devq *devq, int chan)
114 {
115 struct ccb_setasync csa;
116 struct cam_sim *sim;
117 struct cam_path *path;
118
119 /*
120 * Construct our SIM entry.
121 */
122 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);
123
124 if (sim == NULL) {
125 return (ENOMEM);
126 }
127
128 ISP_LOCK(isp);
129 if (xpt_bus_register(sim, isp->isp_dev, chan) != CAM_SUCCESS) {
130 ISP_UNLOCK(isp);
131 cam_sim_free(sim, FALSE);
132 return (EIO);
133 }
134 ISP_UNLOCK(isp);
135 if (xpt_create_path(&path, NULL, cam_sim_path(sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
136 ISP_LOCK(isp);
137 xpt_bus_deregister(cam_sim_path(sim));
138 ISP_UNLOCK(isp);
139 cam_sim_free(sim, FALSE);
140 return (ENXIO);
141 }
142 xpt_setup_ccb(&csa.ccb_h, path, 5);
143 csa.ccb_h.func_code = XPT_SASYNC_CB;
144 csa.event_enable = AC_LOST_DEVICE;
145 csa.callback = isp_cam_async;
146 csa.callback_arg = sim;
147
148 ISP_LOCK(isp);
149 xpt_action((union ccb *)&csa);
150 ISP_UNLOCK(isp);
151
152 if (IS_SCSI(isp)) {
153 struct isp_spi *spi = ISP_SPI_PC(isp, chan);
154 spi->sim = sim;
155 spi->path = path;
156 } else {
157 fcparam *fcp = FCPARAM(isp, chan);
158 struct isp_fc *fc = ISP_FC_PC(isp, chan);
159 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(isp->isp_osinfo.dev);
160 struct sysctl_oid *tree = device_get_sysctl_tree(isp->isp_osinfo.dev);
161 char name[16];
162
163 ISP_LOCK(isp);
164 fc->sim = sim;
165 fc->path = path;
166 fc->isp = isp;
167 fc->ready = 1;
168
169 callout_init_mtx(&fc->gdt, &isp->isp_osinfo.lock, 0);
170 TASK_INIT(&fc->gtask, 1, isp_gdt_task, fc);
171 isp_loop_changed(isp, chan);
172 ISP_UNLOCK(isp);
173 if (THREAD_CREATE(isp_kthread, fc, &fc->kproc, 0, 0, "%s: fc_thrd%d", device_get_nameunit(isp->isp_osinfo.dev), chan)) {
174 xpt_free_path(fc->path);
175 ISP_LOCK(isp);
176 xpt_bus_deregister(cam_sim_path(fc->sim));
177 ISP_UNLOCK(isp);
178 cam_sim_free(fc->sim, FALSE);
179 return (ENOMEM);
180 }
181 fc->num_threads += 1;
182 if (chan > 0) {
183 snprintf(name, sizeof(name), "chan%d", chan);
184 tree = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree),
185 OID_AUTO, name, CTLFLAG_RW, 0, "Virtual channel");
186 }
187 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
188 "wwnn", CTLFLAG_RD, &fcp->isp_wwnn,
189 "World Wide Node Name");
190 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
191 "wwpn", CTLFLAG_RD, &fcp->isp_wwpn,
192 "World Wide Port Name");
193 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
194 "loop_down_limit", CTLFLAG_RW, &fc->loop_down_limit, 0,
195 "Loop Down Limit");
196 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
197 "gone_device_time", CTLFLAG_RW, &fc->gone_device_time, 0,
198 "Gone Device Time");
199 #if defined(ISP_TARGET_MODE) && defined(DEBUG)
200 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
201 "inject_lost_data_frame", CTLFLAG_RW, &fc->inject_lost_data_frame, 0,
202 "Cause a Lost Frame on a Read");
203 #endif
204 SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
205 "role", CTLTYPE_INT | CTLFLAG_RW, isp, chan,
206 isp_role_sysctl, "I", "Current role");
207 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
208 "speed", CTLFLAG_RD, &fcp->isp_gbspeed, 0,
209 "Connection speed in gigabits");
210 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
211 "linkstate", CTLFLAG_RD, &fcp->isp_linkstate, 0,
212 "Link state");
213 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
214 "fwstate", CTLFLAG_RD, &fcp->isp_fwstate, 0,
215 "Firmware state");
216 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
217 "loopstate", CTLFLAG_RD, &fcp->isp_loopstate, 0,
218 "Loop state");
219 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
220 "topo", CTLFLAG_RD, &fcp->isp_topo, 0,
221 "Connection topology");
222 }
223 return (0);
224 }
225
226 static void
isp_detach_chan(ispsoftc_t * isp,int chan)227 isp_detach_chan(ispsoftc_t *isp, int chan)
228 {
229 struct cam_sim *sim;
230 struct cam_path *path;
231 struct ccb_setasync csa;
232 int *num_threads;
233
234 ISP_GET_PC(isp, chan, sim, sim);
235 ISP_GET_PC(isp, chan, path, path);
236 ISP_GET_PC_ADDR(isp, chan, num_threads, num_threads);
237
238 xpt_setup_ccb(&csa.ccb_h, path, 5);
239 csa.ccb_h.func_code = XPT_SASYNC_CB;
240 csa.event_enable = 0;
241 csa.callback = isp_cam_async;
242 csa.callback_arg = sim;
243 xpt_action((union ccb *)&csa);
244 xpt_free_path(path);
245 xpt_bus_deregister(cam_sim_path(sim));
246 cam_sim_free(sim, FALSE);
247
248 /* Wait for the channel's spawned threads to exit. */
249 wakeup(isp->isp_osinfo.pc.ptr);
250 while (*num_threads != 0)
251 mtx_sleep(isp, &isp->isp_osinfo.lock, PRIBIO, "isp_reap", 100);
252 }
253
254 int
isp_attach(ispsoftc_t * isp)255 isp_attach(ispsoftc_t *isp)
256 {
257 const char *nu = device_get_nameunit(isp->isp_osinfo.dev);
258 int du = device_get_unit(isp->isp_dev);
259 int chan;
260
261 isp->isp_osinfo.ehook.ich_func = isp_intr_enable;
262 isp->isp_osinfo.ehook.ich_arg = isp;
263 /*
264 * Haha. Set this first, because if we're loaded as a module isp_intr_enable
265 * will be called right awawy, which will clear isp_osinfo.ehook_active,
266 * which would be unwise to then set again later.
267 */
268 isp->isp_osinfo.ehook_active = 1;
269 if (config_intrhook_establish(&isp->isp_osinfo.ehook) != 0) {
270 isp_prt(isp, ISP_LOGERR, "could not establish interrupt enable hook");
271 return (-EIO);
272 }
273
274 /*
275 * Create the device queue for our SIM(s).
276 */
277 isp->isp_osinfo.devq = cam_simq_alloc(isp->isp_maxcmds);
278 if (isp->isp_osinfo.devq == NULL) {
279 config_intrhook_disestablish(&isp->isp_osinfo.ehook);
280 return (EIO);
281 }
282
283 for (chan = 0; chan < isp->isp_nchan; chan++) {
284 if (isp_attach_chan(isp, isp->isp_osinfo.devq, chan)) {
285 goto unwind;
286 }
287 }
288
289 callout_init_mtx(&isp->isp_osinfo.tmo, &isp->isp_osinfo.lock, 0);
290 isp_timer_count = hz >> 2;
291 callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp);
292 isp->isp_osinfo.timer_active = 1;
293
294 isp->isp_osinfo.cdev = make_dev(&isp_cdevsw, du, UID_ROOT, GID_OPERATOR, 0600, "%s", nu);
295 if (isp->isp_osinfo.cdev) {
296 isp->isp_osinfo.cdev->si_drv1 = isp;
297 }
298 return (0);
299
300 unwind:
301 while (--chan >= 0) {
302 struct cam_sim *sim;
303 struct cam_path *path;
304
305 ISP_GET_PC(isp, chan, sim, sim);
306 ISP_GET_PC(isp, chan, path, path);
307 xpt_free_path(path);
308 ISP_LOCK(isp);
309 xpt_bus_deregister(cam_sim_path(sim));
310 ISP_UNLOCK(isp);
311 cam_sim_free(sim, FALSE);
312 }
313 if (isp->isp_osinfo.ehook_active) {
314 config_intrhook_disestablish(&isp->isp_osinfo.ehook);
315 isp->isp_osinfo.ehook_active = 0;
316 }
317 if (isp->isp_osinfo.cdev) {
318 destroy_dev(isp->isp_osinfo.cdev);
319 isp->isp_osinfo.cdev = NULL;
320 }
321 cam_simq_free(isp->isp_osinfo.devq);
322 isp->isp_osinfo.devq = NULL;
323 return (-1);
324 }
325
326 int
isp_detach(ispsoftc_t * isp)327 isp_detach(ispsoftc_t *isp)
328 {
329 struct cam_sim *sim;
330 int chan;
331
332 ISP_LOCK(isp);
333 for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1) {
334 ISP_GET_PC(isp, chan, sim, sim);
335 if (sim->refcount > 2) {
336 ISP_UNLOCK(isp);
337 return (EBUSY);
338 }
339 }
340 /* Tell spawned threads that we're exiting. */
341 isp->isp_osinfo.is_exiting = 1;
342 if (isp->isp_osinfo.timer_active) {
343 callout_stop(&isp->isp_osinfo.tmo);
344 isp->isp_osinfo.timer_active = 0;
345 }
346 for (chan = isp->isp_nchan - 1; chan >= 0; chan -= 1)
347 isp_detach_chan(isp, chan);
348 ISP_UNLOCK(isp);
349
350 if (isp->isp_osinfo.cdev) {
351 destroy_dev(isp->isp_osinfo.cdev);
352 isp->isp_osinfo.cdev = NULL;
353 }
354 if (isp->isp_osinfo.ehook_active) {
355 config_intrhook_disestablish(&isp->isp_osinfo.ehook);
356 isp->isp_osinfo.ehook_active = 0;
357 }
358 if (isp->isp_osinfo.devq != NULL) {
359 cam_simq_free(isp->isp_osinfo.devq);
360 isp->isp_osinfo.devq = NULL;
361 }
362 return (0);
363 }
364
365 static void
isp_freeze_loopdown(ispsoftc_t * isp,int chan)366 isp_freeze_loopdown(ispsoftc_t *isp, int chan)
367 {
368 if (IS_FC(isp)) {
369 struct isp_fc *fc = ISP_FC_PC(isp, chan);
370 if (fc->simqfrozen == 0) {
371 isp_prt(isp, ISP_LOGDEBUG0,
372 "Chan %d Freeze simq (loopdown)", chan);
373 fc->simqfrozen = SIMQFRZ_LOOPDOWN;
374 #if __FreeBSD_version >= 1000039
375 xpt_hold_boot();
376 #endif
377 xpt_freeze_simq(fc->sim, 1);
378 } else {
379 isp_prt(isp, ISP_LOGDEBUG0,
380 "Chan %d Mark simq frozen (loopdown)", chan);
381 fc->simqfrozen |= SIMQFRZ_LOOPDOWN;
382 }
383 }
384 }
385
386 static void
isp_unfreeze_loopdown(ispsoftc_t * isp,int chan)387 isp_unfreeze_loopdown(ispsoftc_t *isp, int chan)
388 {
389 if (IS_FC(isp)) {
390 struct isp_fc *fc = ISP_FC_PC(isp, chan);
391 int wasfrozen = fc->simqfrozen & SIMQFRZ_LOOPDOWN;
392 fc->simqfrozen &= ~SIMQFRZ_LOOPDOWN;
393 if (wasfrozen && fc->simqfrozen == 0) {
394 isp_prt(isp, ISP_LOGDEBUG0,
395 "Chan %d Release simq", chan);
396 xpt_release_simq(fc->sim, 1);
397 #if __FreeBSD_version >= 1000039
398 xpt_release_boot();
399 #endif
400 }
401 }
402 }
403
404
405 static int
ispioctl(struct cdev * dev,u_long c,caddr_t addr,int flags,struct thread * td)406 ispioctl(struct cdev *dev, u_long c, caddr_t addr, int flags, struct thread *td)
407 {
408 ispsoftc_t *isp;
409 int nr, chan, retval = ENOTTY;
410
411 isp = dev->si_drv1;
412
413 switch (c) {
414 case ISP_SDBLEV:
415 {
416 int olddblev = isp->isp_dblev;
417 isp->isp_dblev = *(int *)addr;
418 *(int *)addr = olddblev;
419 retval = 0;
420 break;
421 }
422 case ISP_GETROLE:
423 chan = *(int *)addr;
424 if (chan < 0 || chan >= isp->isp_nchan) {
425 retval = -ENXIO;
426 break;
427 }
428 if (IS_FC(isp)) {
429 *(int *)addr = FCPARAM(isp, chan)->role;
430 } else {
431 *(int *)addr = ISP_ROLE_INITIATOR;
432 }
433 retval = 0;
434 break;
435 case ISP_SETROLE:
436 if (IS_SCSI(isp))
437 break;
438 nr = *(int *)addr;
439 chan = nr >> 8;
440 if (chan < 0 || chan >= isp->isp_nchan) {
441 retval = -ENXIO;
442 break;
443 }
444 nr &= 0xff;
445 if (nr & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) {
446 retval = EINVAL;
447 break;
448 }
449 ISP_LOCK(isp);
450 *(int *)addr = FCPARAM(isp, chan)->role;
451 retval = isp_control(isp, ISPCTL_CHANGE_ROLE, chan, nr);
452 ISP_UNLOCK(isp);
453 retval = 0;
454 break;
455
456 case ISP_RESETHBA:
457 ISP_LOCK(isp);
458 isp_reinit(isp, 0);
459 ISP_UNLOCK(isp);
460 retval = 0;
461 break;
462
463 case ISP_RESCAN:
464 if (IS_FC(isp)) {
465 chan = *(int *)addr;
466 if (chan < 0 || chan >= isp->isp_nchan) {
467 retval = -ENXIO;
468 break;
469 }
470 ISP_LOCK(isp);
471 if (isp_fc_runstate(isp, chan, 5 * 1000000) != LOOP_READY) {
472 retval = EIO;
473 } else {
474 retval = 0;
475 }
476 ISP_UNLOCK(isp);
477 }
478 break;
479
480 case ISP_FC_LIP:
481 if (IS_FC(isp)) {
482 chan = *(int *)addr;
483 if (chan < 0 || chan >= isp->isp_nchan) {
484 retval = -ENXIO;
485 break;
486 }
487 ISP_LOCK(isp);
488 if (isp_control(isp, ISPCTL_SEND_LIP, chan)) {
489 retval = EIO;
490 } else {
491 retval = 0;
492 }
493 ISP_UNLOCK(isp);
494 }
495 break;
496 case ISP_FC_GETDINFO:
497 {
498 struct isp_fc_device *ifc = (struct isp_fc_device *) addr;
499 fcportdb_t *lp;
500
501 if (IS_SCSI(isp)) {
502 break;
503 }
504 if (ifc->loopid >= MAX_FC_TARG) {
505 retval = EINVAL;
506 break;
507 }
508 lp = &FCPARAM(isp, ifc->chan)->portdb[ifc->loopid];
509 if (lp->state != FC_PORTDB_STATE_NIL) {
510 ifc->role = (lp->prli_word3 & SVC3_ROLE_MASK) >> SVC3_ROLE_SHIFT;
511 ifc->loopid = lp->handle;
512 ifc->portid = lp->portid;
513 ifc->node_wwn = lp->node_wwn;
514 ifc->port_wwn = lp->port_wwn;
515 retval = 0;
516 } else {
517 retval = ENODEV;
518 }
519 break;
520 }
521 case ISP_GET_STATS:
522 {
523 isp_stats_t *sp = (isp_stats_t *) addr;
524
525 ISP_MEMZERO(sp, sizeof (*sp));
526 sp->isp_stat_version = ISP_STATS_VERSION;
527 sp->isp_type = isp->isp_type;
528 sp->isp_revision = isp->isp_revision;
529 ISP_LOCK(isp);
530 sp->isp_stats[ISP_INTCNT] = isp->isp_intcnt;
531 sp->isp_stats[ISP_INTBOGUS] = isp->isp_intbogus;
532 sp->isp_stats[ISP_INTMBOXC] = isp->isp_intmboxc;
533 sp->isp_stats[ISP_INGOASYNC] = isp->isp_intoasync;
534 sp->isp_stats[ISP_RSLTCCMPLT] = isp->isp_rsltccmplt;
535 sp->isp_stats[ISP_FPHCCMCPLT] = isp->isp_fphccmplt;
536 sp->isp_stats[ISP_RSCCHIWAT] = isp->isp_rscchiwater;
537 sp->isp_stats[ISP_FPCCHIWAT] = isp->isp_fpcchiwater;
538 ISP_UNLOCK(isp);
539 retval = 0;
540 break;
541 }
542 case ISP_CLR_STATS:
543 ISP_LOCK(isp);
544 isp->isp_intcnt = 0;
545 isp->isp_intbogus = 0;
546 isp->isp_intmboxc = 0;
547 isp->isp_intoasync = 0;
548 isp->isp_rsltccmplt = 0;
549 isp->isp_fphccmplt = 0;
550 isp->isp_rscchiwater = 0;
551 isp->isp_fpcchiwater = 0;
552 ISP_UNLOCK(isp);
553 retval = 0;
554 break;
555 case ISP_FC_GETHINFO:
556 {
557 struct isp_hba_device *hba = (struct isp_hba_device *) addr;
558 int chan = hba->fc_channel;
559
560 if (chan < 0 || chan >= isp->isp_nchan) {
561 retval = ENXIO;
562 break;
563 }
564 hba->fc_fw_major = ISP_FW_MAJORX(isp->isp_fwrev);
565 hba->fc_fw_minor = ISP_FW_MINORX(isp->isp_fwrev);
566 hba->fc_fw_micro = ISP_FW_MICROX(isp->isp_fwrev);
567 hba->fc_nchannels = isp->isp_nchan;
568 if (IS_FC(isp)) {
569 hba->fc_nports = MAX_FC_TARG;
570 hba->fc_speed = FCPARAM(isp, hba->fc_channel)->isp_gbspeed;
571 hba->fc_topology = FCPARAM(isp, chan)->isp_topo + 1;
572 hba->fc_loopid = FCPARAM(isp, chan)->isp_loopid;
573 hba->nvram_node_wwn = FCPARAM(isp, chan)->isp_wwnn_nvram;
574 hba->nvram_port_wwn = FCPARAM(isp, chan)->isp_wwpn_nvram;
575 hba->active_node_wwn = FCPARAM(isp, chan)->isp_wwnn;
576 hba->active_port_wwn = FCPARAM(isp, chan)->isp_wwpn;
577 } else {
578 hba->fc_nports = MAX_TARGETS;
579 hba->fc_speed = 0;
580 hba->fc_topology = 0;
581 hba->nvram_node_wwn = 0ull;
582 hba->nvram_port_wwn = 0ull;
583 hba->active_node_wwn = 0ull;
584 hba->active_port_wwn = 0ull;
585 }
586 retval = 0;
587 break;
588 }
589 case ISP_TSK_MGMT:
590 {
591 int needmarker;
592 struct isp_fc_tsk_mgmt *fct = (struct isp_fc_tsk_mgmt *) addr;
593 uint16_t nphdl;
594 mbreg_t mbs;
595
596 if (IS_SCSI(isp)) {
597 break;
598 }
599
600 chan = fct->chan;
601 if (chan < 0 || chan >= isp->isp_nchan) {
602 retval = -ENXIO;
603 break;
604 }
605
606 needmarker = retval = 0;
607 nphdl = fct->loopid;
608 ISP_LOCK(isp);
609 if (IS_24XX(isp)) {
610 uint8_t local[QENTRY_LEN];
611 isp24xx_tmf_t *tmf;
612 isp24xx_statusreq_t *sp;
613 fcparam *fcp = FCPARAM(isp, chan);
614 fcportdb_t *lp;
615 int i;
616
617 for (i = 0; i < MAX_FC_TARG; i++) {
618 lp = &fcp->portdb[i];
619 if (lp->handle == nphdl) {
620 break;
621 }
622 }
623 if (i == MAX_FC_TARG) {
624 retval = ENXIO;
625 ISP_UNLOCK(isp);
626 break;
627 }
628 /* XXX VALIDATE LP XXX */
629 tmf = (isp24xx_tmf_t *) local;
630 ISP_MEMZERO(tmf, QENTRY_LEN);
631 tmf->tmf_header.rqs_entry_type = RQSTYPE_TSK_MGMT;
632 tmf->tmf_header.rqs_entry_count = 1;
633 tmf->tmf_nphdl = lp->handle;
634 tmf->tmf_delay = 2;
635 tmf->tmf_timeout = 4;
636 tmf->tmf_tidlo = lp->portid;
637 tmf->tmf_tidhi = lp->portid >> 16;
638 tmf->tmf_vpidx = ISP_GET_VPIDX(isp, chan);
639 tmf->tmf_lun[1] = fct->lun & 0xff;
640 if (fct->lun >= 256) {
641 tmf->tmf_lun[0] = 0x40 | (fct->lun >> 8);
642 }
643 switch (fct->action) {
644 case IPT_CLEAR_ACA:
645 tmf->tmf_flags = ISP24XX_TMF_CLEAR_ACA;
646 break;
647 case IPT_TARGET_RESET:
648 tmf->tmf_flags = ISP24XX_TMF_TARGET_RESET;
649 needmarker = 1;
650 break;
651 case IPT_LUN_RESET:
652 tmf->tmf_flags = ISP24XX_TMF_LUN_RESET;
653 needmarker = 1;
654 break;
655 case IPT_CLEAR_TASK_SET:
656 tmf->tmf_flags = ISP24XX_TMF_CLEAR_TASK_SET;
657 needmarker = 1;
658 break;
659 case IPT_ABORT_TASK_SET:
660 tmf->tmf_flags = ISP24XX_TMF_ABORT_TASK_SET;
661 needmarker = 1;
662 break;
663 default:
664 retval = EINVAL;
665 break;
666 }
667 if (retval) {
668 ISP_UNLOCK(isp);
669 break;
670 }
671 MBSINIT(&mbs, MBOX_EXEC_COMMAND_IOCB_A64, MBLOGALL,
672 MBCMD_DEFAULT_TIMEOUT + tmf->tmf_timeout * 1000000);
673 mbs.param[1] = QENTRY_LEN;
674 mbs.param[2] = DMA_WD1(fcp->isp_scdma);
675 mbs.param[3] = DMA_WD0(fcp->isp_scdma);
676 mbs.param[6] = DMA_WD3(fcp->isp_scdma);
677 mbs.param[7] = DMA_WD2(fcp->isp_scdma);
678
679 if (FC_SCRATCH_ACQUIRE(isp, chan)) {
680 ISP_UNLOCK(isp);
681 retval = ENOMEM;
682 break;
683 }
684 isp_put_24xx_tmf(isp, tmf, fcp->isp_scratch);
685 MEMORYBARRIER(isp, SYNC_SFORDEV, 0, QENTRY_LEN, chan);
686 sp = (isp24xx_statusreq_t *) local;
687 sp->req_completion_status = 1;
688 retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs);
689 MEMORYBARRIER(isp, SYNC_SFORCPU, QENTRY_LEN, QENTRY_LEN, chan);
690 isp_get_24xx_response(isp, &((isp24xx_statusreq_t *)fcp->isp_scratch)[1], sp);
691 FC_SCRATCH_RELEASE(isp, chan);
692 if (retval || sp->req_completion_status != 0) {
693 FC_SCRATCH_RELEASE(isp, chan);
694 retval = EIO;
695 }
696 if (retval == 0) {
697 if (needmarker) {
698 fcp->sendmarker = 1;
699 }
700 }
701 } else {
702 MBSINIT(&mbs, 0, MBLOGALL, 0);
703 if (ISP_CAP_2KLOGIN(isp) == 0) {
704 nphdl <<= 8;
705 }
706 switch (fct->action) {
707 case IPT_CLEAR_ACA:
708 mbs.param[0] = MBOX_CLEAR_ACA;
709 mbs.param[1] = nphdl;
710 mbs.param[2] = fct->lun;
711 break;
712 case IPT_TARGET_RESET:
713 mbs.param[0] = MBOX_TARGET_RESET;
714 mbs.param[1] = nphdl;
715 needmarker = 1;
716 break;
717 case IPT_LUN_RESET:
718 mbs.param[0] = MBOX_LUN_RESET;
719 mbs.param[1] = nphdl;
720 mbs.param[2] = fct->lun;
721 needmarker = 1;
722 break;
723 case IPT_CLEAR_TASK_SET:
724 mbs.param[0] = MBOX_CLEAR_TASK_SET;
725 mbs.param[1] = nphdl;
726 mbs.param[2] = fct->lun;
727 needmarker = 1;
728 break;
729 case IPT_ABORT_TASK_SET:
730 mbs.param[0] = MBOX_ABORT_TASK_SET;
731 mbs.param[1] = nphdl;
732 mbs.param[2] = fct->lun;
733 needmarker = 1;
734 break;
735 default:
736 retval = EINVAL;
737 break;
738 }
739 if (retval == 0) {
740 if (needmarker) {
741 FCPARAM(isp, chan)->sendmarker = 1;
742 }
743 retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs);
744 if (retval) {
745 retval = EIO;
746 }
747 }
748 }
749 ISP_UNLOCK(isp);
750 break;
751 }
752 default:
753 break;
754 }
755 return (retval);
756 }
757
758 static void
isp_intr_enable(void * arg)759 isp_intr_enable(void *arg)
760 {
761 int chan;
762 ispsoftc_t *isp = arg;
763 ISP_LOCK(isp);
764 if (IS_FC(isp)) {
765 for (chan = 0; chan < isp->isp_nchan; chan++) {
766 if (FCPARAM(isp, chan)->role != ISP_ROLE_NONE) {
767 ISP_ENABLE_INTS(isp);
768 break;
769 }
770 }
771 } else {
772 ISP_ENABLE_INTS(isp);
773 }
774 isp->isp_osinfo.ehook_active = 0;
775 ISP_UNLOCK(isp);
776 /* Release our hook so that the boot can continue. */
777 config_intrhook_disestablish(&isp->isp_osinfo.ehook);
778 }
779
780 /*
781 * Local Inlines
782 */
783
784 static ISP_INLINE int isp_get_pcmd(ispsoftc_t *, union ccb *);
785 static ISP_INLINE void isp_free_pcmd(ispsoftc_t *, union ccb *);
786
787 static ISP_INLINE int
isp_get_pcmd(ispsoftc_t * isp,union ccb * ccb)788 isp_get_pcmd(ispsoftc_t *isp, union ccb *ccb)
789 {
790 ISP_PCMD(ccb) = isp->isp_osinfo.pcmd_free;
791 if (ISP_PCMD(ccb) == NULL) {
792 return (-1);
793 }
794 isp->isp_osinfo.pcmd_free = ((struct isp_pcmd *)ISP_PCMD(ccb))->next;
795 return (0);
796 }
797
798 static ISP_INLINE void
isp_free_pcmd(ispsoftc_t * isp,union ccb * ccb)799 isp_free_pcmd(ispsoftc_t *isp, union ccb *ccb)
800 {
801 if (ISP_PCMD(ccb)) {
802 #ifdef ISP_TARGET_MODE
803 PISP_PCMD(ccb)->datalen = 0;
804 PISP_PCMD(ccb)->totslen = 0;
805 PISP_PCMD(ccb)->cumslen = 0;
806 PISP_PCMD(ccb)->crn = 0;
807 #endif
808 PISP_PCMD(ccb)->next = isp->isp_osinfo.pcmd_free;
809 isp->isp_osinfo.pcmd_free = ISP_PCMD(ccb);
810 ISP_PCMD(ccb) = NULL;
811 }
812 }
813
814 /*
815 * Put the target mode functions here, because some are inlines
816 */
817 #ifdef ISP_TARGET_MODE
818 static ISP_INLINE int is_lun_enabled(ispsoftc_t *, int, lun_id_t);
819 static ISP_INLINE tstate_t *get_lun_statep(ispsoftc_t *, int, lun_id_t);
820 static ISP_INLINE tstate_t *get_lun_statep_from_tag(ispsoftc_t *, int, uint32_t);
821 static ISP_INLINE void rls_lun_statep(ispsoftc_t *, tstate_t *);
822 static ISP_INLINE inot_private_data_t *get_ntp_from_tagdata(ispsoftc_t *, uint32_t, uint32_t, tstate_t **);
823 static ISP_INLINE atio_private_data_t *isp_get_atpd(ispsoftc_t *, tstate_t *, uint32_t);
824 static ISP_INLINE atio_private_data_t *isp_find_atpd(ispsoftc_t *, tstate_t *, uint32_t);
825 static ISP_INLINE void isp_put_atpd(ispsoftc_t *, tstate_t *, atio_private_data_t *);
826 static ISP_INLINE inot_private_data_t *isp_get_ntpd(ispsoftc_t *, tstate_t *);
827 static ISP_INLINE inot_private_data_t *isp_find_ntpd(ispsoftc_t *, tstate_t *, uint32_t, uint32_t);
828 static ISP_INLINE void isp_put_ntpd(ispsoftc_t *, tstate_t *, inot_private_data_t *);
829 static cam_status create_lun_state(ispsoftc_t *, int, struct cam_path *, tstate_t **);
830 static void destroy_lun_state(ispsoftc_t *, tstate_t *);
831 static void isp_enable_lun(ispsoftc_t *, union ccb *);
832 static void isp_disable_lun(ispsoftc_t *, union ccb *);
833 static timeout_t isp_refire_putback_atio;
834 static timeout_t isp_refire_notify_ack;
835 static void isp_complete_ctio(union ccb *);
836 static void isp_target_putback_atio(union ccb *);
837 enum Start_Ctio_How { FROM_CAM, FROM_TIMER, FROM_SRR, FROM_CTIO_DONE };
838 static void isp_target_start_ctio(ispsoftc_t *, union ccb *, enum Start_Ctio_How);
839 static void isp_handle_platform_atio2(ispsoftc_t *, at2_entry_t *);
840 static void isp_handle_platform_atio7(ispsoftc_t *, at7_entry_t *);
841 static void isp_handle_platform_ctio(ispsoftc_t *, void *);
842 static void isp_handle_platform_notify_fc(ispsoftc_t *, in_fcentry_t *);
843 static void isp_handle_platform_notify_24xx(ispsoftc_t *, in_fcentry_24xx_t *);
844 static int isp_handle_platform_target_notify_ack(ispsoftc_t *, isp_notify_t *);
845 static void isp_handle_platform_target_tmf(ispsoftc_t *, isp_notify_t *);
846 static void isp_target_mark_aborted(ispsoftc_t *, union ccb *);
847 static void isp_target_mark_aborted_early(ispsoftc_t *, tstate_t *, uint32_t);
848
849 static ISP_INLINE int
is_lun_enabled(ispsoftc_t * isp,int bus,lun_id_t lun)850 is_lun_enabled(ispsoftc_t *isp, int bus, lun_id_t lun)
851 {
852 tstate_t *tptr;
853 struct tslist *lhp;
854
855 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp);
856 SLIST_FOREACH(tptr, lhp, next) {
857 if (tptr->ts_lun == lun) {
858 return (1);
859 }
860 }
861 return (0);
862 }
863
864 static void
dump_tstates(ispsoftc_t * isp,int bus)865 dump_tstates(ispsoftc_t *isp, int bus)
866 {
867 int i, j;
868 struct tslist *lhp;
869 tstate_t *tptr = NULL;
870
871 if (bus >= isp->isp_nchan) {
872 return;
873 }
874 for (i = 0; i < LUN_HASH_SIZE; i++) {
875 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
876 j = 0;
877 SLIST_FOREACH(tptr, lhp, next) {
878 xpt_print(tptr->owner, "[%d, %d] atio_cnt=%d inot_cnt=%d\n", i, j, tptr->atio_count, tptr->inot_count);
879 j++;
880 }
881 }
882 }
883
884 static ISP_INLINE tstate_t *
get_lun_statep(ispsoftc_t * isp,int bus,lun_id_t lun)885 get_lun_statep(ispsoftc_t *isp, int bus, lun_id_t lun)
886 {
887 tstate_t *tptr = NULL;
888 struct tslist *lhp;
889
890 if (bus < isp->isp_nchan) {
891 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp);
892 SLIST_FOREACH(tptr, lhp, next) {
893 if (tptr->ts_lun == lun) {
894 tptr->hold++;
895 return (tptr);
896 }
897 }
898 }
899 return (NULL);
900 }
901
902 static ISP_INLINE tstate_t *
get_lun_statep_from_tag(ispsoftc_t * isp,int bus,uint32_t tagval)903 get_lun_statep_from_tag(ispsoftc_t *isp, int bus, uint32_t tagval)
904 {
905 tstate_t *tptr = NULL;
906 atio_private_data_t *atp;
907 struct tslist *lhp;
908 int i;
909
910 if (bus < isp->isp_nchan && tagval != 0) {
911 for (i = 0; i < LUN_HASH_SIZE; i++) {
912 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
913 SLIST_FOREACH(tptr, lhp, next) {
914 atp = isp_find_atpd(isp, tptr, tagval);
915 if (atp) {
916 tptr->hold++;
917 return (tptr);
918 }
919 }
920 }
921 }
922 return (NULL);
923 }
924
925 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)926 get_ntp_from_tagdata(ispsoftc_t *isp, uint32_t tag_id, uint32_t seq_id, tstate_t **rslt)
927 {
928 inot_private_data_t *ntp;
929 tstate_t *tptr;
930 struct tslist *lhp;
931 int bus, i;
932
933 for (bus = 0; bus < isp->isp_nchan; bus++) {
934 for (i = 0; i < LUN_HASH_SIZE; i++) {
935 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
936 SLIST_FOREACH(tptr, lhp, next) {
937 ntp = isp_find_ntpd(isp, tptr, tag_id, seq_id);
938 if (ntp) {
939 *rslt = tptr;
940 tptr->hold++;
941 return (ntp);
942 }
943 }
944 }
945 }
946 return (NULL);
947 }
948
949 static ISP_INLINE void
rls_lun_statep(ispsoftc_t * isp,tstate_t * tptr)950 rls_lun_statep(ispsoftc_t *isp, tstate_t *tptr)
951 {
952 KASSERT((tptr->hold), ("tptr not held"));
953 tptr->hold--;
954 }
955
956 static void
isp_tmcmd_restart(ispsoftc_t * isp)957 isp_tmcmd_restart(ispsoftc_t *isp)
958 {
959 inot_private_data_t *ntp;
960 inot_private_data_t *restart_queue;
961 tstate_t *tptr;
962 union ccb *ccb;
963 struct tslist *lhp;
964 int bus, i;
965
966 for (bus = 0; bus < isp->isp_nchan; bus++) {
967 for (i = 0; i < LUN_HASH_SIZE; i++) {
968 ISP_GET_PC_ADDR(isp, bus, lun_hash[i], lhp);
969 SLIST_FOREACH(tptr, lhp, next) {
970 if ((restart_queue = tptr->restart_queue) != NULL)
971 tptr->restart_queue = NULL;
972 while (restart_queue) {
973 ntp = restart_queue;
974 restart_queue = ntp->rd.nt.nt_hba;
975 if (IS_24XX(isp)) {
976 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at7_entry_t *)ntp->rd.data)->at_rxid);
977 isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->rd.data);
978 } else {
979 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at2_entry_t *)ntp->rd.data)->at_rxid);
980 isp_handle_platform_atio2(isp, (at2_entry_t *) ntp->rd.data);
981 }
982 isp_put_ntpd(isp, tptr, ntp);
983 if (tptr->restart_queue && restart_queue != NULL) {
984 ntp = tptr->restart_queue;
985 tptr->restart_queue = restart_queue;
986 while (restart_queue->rd.nt.nt_hba) {
987 restart_queue = restart_queue->rd.nt.nt_hba;
988 }
989 restart_queue->rd.nt.nt_hba = ntp;
990 break;
991 }
992 }
993 /*
994 * We only need to do this once per tptr
995 */
996 if (!TAILQ_EMPTY(&tptr->waitq)) {
997 ccb = (union ccb *)TAILQ_LAST(&tptr->waitq, isp_ccbq);
998 TAILQ_REMOVE(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
999 isp_target_start_ctio(isp, ccb, FROM_TIMER);
1000 }
1001 }
1002 }
1003 }
1004 }
1005
1006 static ISP_INLINE atio_private_data_t *
isp_get_atpd(ispsoftc_t * isp,tstate_t * tptr,uint32_t tag)1007 isp_get_atpd(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag)
1008 {
1009 atio_private_data_t *atp;
1010
1011 atp = LIST_FIRST(&tptr->atfree);
1012 if (atp) {
1013 LIST_REMOVE(atp, next);
1014 atp->tag = tag;
1015 LIST_INSERT_HEAD(&tptr->atused[ATPDPHASH(tag)], atp, next);
1016 }
1017 return (atp);
1018 }
1019
1020 static ISP_INLINE atio_private_data_t *
isp_find_atpd(ispsoftc_t * isp,tstate_t * tptr,uint32_t tag)1021 isp_find_atpd(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag)
1022 {
1023 atio_private_data_t *atp;
1024
1025 LIST_FOREACH(atp, &tptr->atused[ATPDPHASH(tag)], next) {
1026 if (atp->tag == tag)
1027 return (atp);
1028 }
1029 return (NULL);
1030 }
1031
1032 static ISP_INLINE void
isp_put_atpd(ispsoftc_t * isp,tstate_t * tptr,atio_private_data_t * atp)1033 isp_put_atpd(ispsoftc_t *isp, tstate_t *tptr, atio_private_data_t *atp)
1034 {
1035 if (atp->ests) {
1036 isp_put_ecmd(isp, atp->ests);
1037 }
1038 LIST_REMOVE(atp, next);
1039 memset(atp, 0, sizeof (*atp));
1040 LIST_INSERT_HEAD(&tptr->atfree, atp, next);
1041 }
1042
1043 static void
isp_dump_atpd(ispsoftc_t * isp,tstate_t * tptr)1044 isp_dump_atpd(ispsoftc_t *isp, tstate_t *tptr)
1045 {
1046 atio_private_data_t *atp;
1047 const char *states[8] = { "Free", "ATIO", "CAM", "CTIO", "LAST_CTIO", "PDON", "?6", "7" };
1048
1049 for (atp = tptr->atpool; atp < &tptr->atpool[ATPDPSIZE]; atp++) {
1050 xpt_print(tptr->owner, "ATP: [0x%x] origdlen %u bytes_xfrd %u lun %x nphdl 0x%04x s_id 0x%06x d_id 0x%06x oxid 0x%04x state %s\n",
1051 atp->tag, atp->orig_datalen, atp->bytes_xfered, atp->lun, atp->nphdl, atp->sid, atp->portid, atp->oxid, states[atp->state & 0x7]);
1052 }
1053 }
1054
1055
1056 static ISP_INLINE inot_private_data_t *
isp_get_ntpd(ispsoftc_t * isp,tstate_t * tptr)1057 isp_get_ntpd(ispsoftc_t *isp, tstate_t *tptr)
1058 {
1059 inot_private_data_t *ntp;
1060 ntp = tptr->ntfree;
1061 if (ntp) {
1062 tptr->ntfree = ntp->next;
1063 }
1064 return (ntp);
1065 }
1066
1067 static ISP_INLINE inot_private_data_t *
isp_find_ntpd(ispsoftc_t * isp,tstate_t * tptr,uint32_t tag_id,uint32_t seq_id)1068 isp_find_ntpd(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag_id, uint32_t seq_id)
1069 {
1070 inot_private_data_t *ntp;
1071 for (ntp = tptr->ntpool; ntp < &tptr->ntpool[ATPDPSIZE]; ntp++) {
1072 if (ntp->rd.tag_id == tag_id && ntp->rd.seq_id == seq_id) {
1073 return (ntp);
1074 }
1075 }
1076 return (NULL);
1077 }
1078
1079 static ISP_INLINE void
isp_put_ntpd(ispsoftc_t * isp,tstate_t * tptr,inot_private_data_t * ntp)1080 isp_put_ntpd(ispsoftc_t *isp, tstate_t *tptr, inot_private_data_t *ntp)
1081 {
1082 ntp->rd.tag_id = ntp->rd.seq_id = 0;
1083 ntp->next = tptr->ntfree;
1084 tptr->ntfree = ntp;
1085 }
1086
1087 static cam_status
create_lun_state(ispsoftc_t * isp,int bus,struct cam_path * path,tstate_t ** rslt)1088 create_lun_state(ispsoftc_t *isp, int bus, struct cam_path *path, tstate_t **rslt)
1089 {
1090 cam_status status;
1091 lun_id_t lun;
1092 struct tslist *lhp;
1093 tstate_t *tptr;
1094 int i;
1095
1096 lun = xpt_path_lun_id(path);
1097 if (lun != CAM_LUN_WILDCARD) {
1098 if (ISP_MAX_LUNS(isp) > 0 && lun >= ISP_MAX_LUNS(isp)) {
1099 return (CAM_LUN_INVALID);
1100 }
1101 }
1102 if (is_lun_enabled(isp, bus, lun)) {
1103 return (CAM_LUN_ALRDY_ENA);
1104 }
1105 tptr = malloc(sizeof (tstate_t), M_DEVBUF, M_NOWAIT|M_ZERO);
1106 if (tptr == NULL) {
1107 return (CAM_RESRC_UNAVAIL);
1108 }
1109 tptr->ts_lun = lun;
1110 status = xpt_create_path(&tptr->owner, NULL, xpt_path_path_id(path), xpt_path_target_id(path), lun);
1111 if (status != CAM_REQ_CMP) {
1112 free(tptr, M_DEVBUF);
1113 return (status);
1114 }
1115 SLIST_INIT(&tptr->atios);
1116 SLIST_INIT(&tptr->inots);
1117 TAILQ_INIT(&tptr->waitq);
1118 LIST_INIT(&tptr->atfree);
1119 for (i = ATPDPSIZE-1; i >= 0; i--)
1120 LIST_INSERT_HEAD(&tptr->atfree, &tptr->atpool[i], next);
1121 for (i = 0; i < ATPDPHASHSIZE; i++)
1122 LIST_INIT(&tptr->atused[i]);
1123 for (i = 0; i < ATPDPSIZE-1; i++)
1124 tptr->ntpool[i].next = &tptr->ntpool[i+1];
1125 tptr->ntfree = tptr->ntpool;
1126 tptr->hold = 1;
1127 ISP_GET_PC_ADDR(isp, bus, lun_hash[LUN_HASH_FUNC(lun)], lhp);
1128 SLIST_INSERT_HEAD(lhp, tptr, next);
1129 *rslt = tptr;
1130 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, path, "created tstate\n");
1131 return (CAM_REQ_CMP);
1132 }
1133
1134 static ISP_INLINE void
destroy_lun_state(ispsoftc_t * isp,tstate_t * tptr)1135 destroy_lun_state(ispsoftc_t *isp, tstate_t *tptr)
1136 {
1137 union ccb *ccb;
1138 struct tslist *lhp;
1139
1140 KASSERT((tptr->hold != 0), ("tptr is not held"));
1141 KASSERT((tptr->hold == 1), ("tptr still held (%d)", tptr->hold));
1142 do {
1143 ccb = (union ccb *)SLIST_FIRST(&tptr->atios);
1144 if (ccb) {
1145 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
1146 ccb->ccb_h.status = CAM_REQ_ABORTED;
1147 xpt_done(ccb);
1148 }
1149 } while (ccb);
1150 do {
1151 ccb = (union ccb *)SLIST_FIRST(&tptr->inots);
1152 if (ccb) {
1153 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle);
1154 ccb->ccb_h.status = CAM_REQ_ABORTED;
1155 xpt_done(ccb);
1156 }
1157 } while (ccb);
1158 ISP_GET_PC_ADDR(isp, cam_sim_bus(xpt_path_sim(tptr->owner)), lun_hash[LUN_HASH_FUNC(tptr->ts_lun)], lhp);
1159 SLIST_REMOVE(lhp, tptr, tstate, next);
1160 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0, tptr->owner, "destroyed tstate\n");
1161 xpt_free_path(tptr->owner);
1162 free(tptr, M_DEVBUF);
1163 }
1164
1165 static void
isp_enable_lun(ispsoftc_t * isp,union ccb * ccb)1166 isp_enable_lun(ispsoftc_t *isp, union ccb *ccb)
1167 {
1168 tstate_t *tptr;
1169 int bus;
1170 target_id_t target;
1171 lun_id_t lun;
1172
1173 if (!IS_FC(isp) || !ISP_CAP_TMODE(isp) || !ISP_CAP_SCCFW(isp)) {
1174 xpt_print(ccb->ccb_h.path, "Target mode is not supported\n");
1175 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1176 xpt_done(ccb);
1177 return;
1178 }
1179
1180 /*
1181 * We only support either target and lun both wildcard
1182 * or target and lun both non-wildcard.
1183 */
1184 bus = XS_CHANNEL(ccb);
1185 target = ccb->ccb_h.target_id;
1186 lun = ccb->ccb_h.target_lun;
1187 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path,
1188 "enabling lun %jx\n", (uintmax_t)lun);
1189 if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) {
1190 ccb->ccb_h.status = CAM_LUN_INVALID;
1191 xpt_done(ccb);
1192 return;
1193 }
1194
1195 /* Create the state pointer. It should not already exist. */
1196 tptr = get_lun_statep(isp, bus, lun);
1197 if (tptr) {
1198 ccb->ccb_h.status = CAM_LUN_ALRDY_ENA;
1199 xpt_done(ccb);
1200 return;
1201 }
1202 ccb->ccb_h.status = create_lun_state(isp, bus, ccb->ccb_h.path, &tptr);
1203 if (ccb->ccb_h.status != CAM_REQ_CMP) {
1204 xpt_done(ccb);
1205 return;
1206 }
1207
1208 rls_lun_statep(isp, tptr);
1209 ccb->ccb_h.status = CAM_REQ_CMP;
1210 xpt_done(ccb);
1211 }
1212
1213 static void
isp_disable_lun(ispsoftc_t * isp,union ccb * ccb)1214 isp_disable_lun(ispsoftc_t *isp, union ccb *ccb)
1215 {
1216 tstate_t *tptr = NULL;
1217 int bus;
1218 target_id_t target;
1219 lun_id_t lun;
1220
1221 bus = XS_CHANNEL(ccb);
1222 target = ccb->ccb_h.target_id;
1223 lun = ccb->ccb_h.target_lun;
1224 ISP_PATH_PRT(isp, ISP_LOGTDEBUG0|ISP_LOGCONFIG, ccb->ccb_h.path,
1225 "disabling lun %jx\n", (uintmax_t)lun);
1226 if ((target == CAM_TARGET_WILDCARD) != (lun == CAM_LUN_WILDCARD)) {
1227 ccb->ccb_h.status = CAM_LUN_INVALID;
1228 xpt_done(ccb);
1229 return;
1230 }
1231
1232 /* Find the state pointer. */
1233 if ((tptr = get_lun_statep(isp, bus, lun)) == NULL) {
1234 ccb->ccb_h.status = CAM_PATH_INVALID;
1235 xpt_done(ccb);
1236 return;
1237 }
1238
1239 destroy_lun_state(isp, tptr);
1240 ccb->ccb_h.status = CAM_REQ_CMP;
1241 xpt_done(ccb);
1242 }
1243
1244 static void
isp_target_start_ctio(ispsoftc_t * isp,union ccb * ccb,enum Start_Ctio_How how)1245 isp_target_start_ctio(ispsoftc_t *isp, union ccb *ccb, enum Start_Ctio_How how)
1246 {
1247 int fctape, sendstatus, resid;
1248 tstate_t *tptr;
1249 fcparam *fcp;
1250 atio_private_data_t *atp;
1251 struct ccb_scsiio *cso;
1252 uint32_t dmaresult, handle, xfrlen, sense_length, tmp;
1253 uint8_t local[QENTRY_LEN];
1254
1255 tptr = get_lun_statep(isp, XS_CHANNEL(ccb), XS_LUN(ccb));
1256 if (tptr == NULL) {
1257 tptr = get_lun_statep(isp, XS_CHANNEL(ccb), CAM_LUN_WILDCARD);
1258 if (tptr == NULL) {
1259 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] cannot find tstate pointer", __func__, ccb->csio.tag_id);
1260 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
1261 xpt_done(ccb);
1262 return;
1263 }
1264 }
1265 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,
1266 (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0, ((ccb->ccb_h.flags & CAM_SEND_SENSE)? ccb->csio.sense_len : 0));
1267
1268 switch (how) {
1269 case FROM_TIMER:
1270 case FROM_CAM:
1271 /*
1272 * Insert at the tail of the list, if any, waiting CTIO CCBs
1273 */
1274 TAILQ_INSERT_TAIL(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
1275 break;
1276 case FROM_SRR:
1277 case FROM_CTIO_DONE:
1278 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
1279 break;
1280 }
1281
1282 while (TAILQ_FIRST(&tptr->waitq) != NULL) {
1283 ccb = (union ccb *) TAILQ_FIRST(&tptr->waitq);
1284 TAILQ_REMOVE(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
1285
1286 cso = &ccb->csio;
1287 xfrlen = cso->dxfer_len;
1288 if (xfrlen == 0) {
1289 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) {
1290 ISP_PATH_PRT(isp, ISP_LOGERR, ccb->ccb_h.path, "a data transfer length of zero but no status to send is wrong\n");
1291 ccb->ccb_h.status = CAM_REQ_INVALID;
1292 xpt_done(ccb);
1293 continue;
1294 }
1295 }
1296
1297 atp = isp_find_atpd(isp, tptr, cso->tag_id);
1298 if (atp == NULL) {
1299 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] cannot find private data adjunct in %s", __func__, cso->tag_id, __func__);
1300 isp_dump_atpd(isp, tptr);
1301 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1302 xpt_done(ccb);
1303 continue;
1304 }
1305
1306 /*
1307 * Is this command a dead duck?
1308 */
1309 if (atp->dead) {
1310 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] not sending a CTIO for a dead command", __func__, cso->tag_id);
1311 ccb->ccb_h.status = CAM_REQ_ABORTED;
1312 xpt_done(ccb);
1313 continue;
1314 }
1315
1316 /*
1317 * Check to make sure we're still in target mode.
1318 */
1319 fcp = FCPARAM(isp, XS_CHANNEL(ccb));
1320 if ((fcp->role & ISP_ROLE_TARGET) == 0) {
1321 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] stopping sending a CTIO because we're no longer in target mode", __func__, cso->tag_id);
1322 ccb->ccb_h.status = CAM_PROVIDE_FAIL;
1323 xpt_done(ccb);
1324 continue;
1325 }
1326
1327 /*
1328 * We're only handling ATPD_CCB_OUTSTANDING outstanding CCB at a time (one of which
1329 * could be split into two CTIOs to split data and status).
1330 */
1331 if (atp->ctcnt >= ATPD_CCB_OUTSTANDING) {
1332 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);
1333 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
1334 break;
1335 }
1336
1337 /*
1338 * Does the initiator expect FC-Tape style responses?
1339 */
1340 if ((atp->word3 & PRLI_WD3_RETRY) && fcp->fctape_enabled) {
1341 fctape = 1;
1342 } else {
1343 fctape = 0;
1344 }
1345
1346 /*
1347 * If we already did the data xfer portion of a CTIO that sends data
1348 * and status, don't do it again and do the status portion now.
1349 */
1350 if (atp->sendst) {
1351 isp_prt(isp, ISP_LOGTINFO, "[0x%x] now sending synthesized status orig_dl=%u xfered=%u bit=%u",
1352 cso->tag_id, atp->orig_datalen, atp->bytes_xfered, atp->bytes_in_transit);
1353 xfrlen = 0; /* we already did the data transfer */
1354 atp->sendst = 0;
1355 }
1356 if (ccb->ccb_h.flags & CAM_SEND_STATUS) {
1357 sendstatus = 1;
1358 } else {
1359 sendstatus = 0;
1360 }
1361
1362 if (ccb->ccb_h.flags & CAM_SEND_SENSE) {
1363 KASSERT((sendstatus != 0), ("how can you have CAM_SEND_SENSE w/o CAM_SEND_STATUS?"));
1364 /*
1365 * Sense length is not the entire sense data structure size. Periph
1366 * drivers don't seem to be setting sense_len to reflect the actual
1367 * size. We'll peek inside to get the right amount.
1368 */
1369 sense_length = cso->sense_len;
1370
1371 /*
1372 * This 'cannot' happen
1373 */
1374 if (sense_length > (XCMD_SIZE - MIN_FCP_RESPONSE_SIZE)) {
1375 sense_length = XCMD_SIZE - MIN_FCP_RESPONSE_SIZE;
1376 }
1377 } else {
1378 sense_length = 0;
1379 }
1380
1381 memset(local, 0, QENTRY_LEN);
1382
1383 /*
1384 * Check for overflow
1385 */
1386 tmp = atp->bytes_xfered + atp->bytes_in_transit + xfrlen;
1387 if (tmp > atp->orig_datalen) {
1388 isp_prt(isp, ISP_LOGERR, "%s: [0x%x] data overflow by %u bytes", __func__, cso->tag_id, tmp - atp->orig_datalen);
1389 ccb->ccb_h.status = CAM_DATA_RUN_ERR;
1390 xpt_done(ccb);
1391 continue;
1392 }
1393
1394 if (IS_24XX(isp)) {
1395 ct7_entry_t *cto = (ct7_entry_t *) local;
1396
1397 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
1398 cto->ct_header.rqs_entry_count = 1;
1399 cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM;
1400 ATPD_SET_SEQNO(cto, atp);
1401 cto->ct_nphdl = atp->nphdl;
1402 cto->ct_rxid = atp->tag;
1403 cto->ct_iid_lo = atp->portid;
1404 cto->ct_iid_hi = atp->portid >> 16;
1405 cto->ct_oxid = atp->oxid;
1406 cto->ct_vpidx = ISP_GET_VPIDX(isp, XS_CHANNEL(ccb));
1407 cto->ct_timeout = (XS_TIME(ccb) + 999) / 1000;
1408 cto->ct_flags = atp->tattr << CT7_TASK_ATTR_SHIFT;
1409
1410 /*
1411 * Mode 1, status, no data. Only possible when we are sending status, have
1412 * no data to transfer, and any sense data can fit into a ct7_entry_t.
1413 *
1414 * Mode 2, status, no data. We have to use this in the case that
1415 * the sense data won't fit into a ct7_entry_t.
1416 *
1417 */
1418 if (sendstatus && xfrlen == 0) {
1419 cto->ct_flags |= CT7_SENDSTATUS | CT7_NO_DATA;
1420 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit;
1421 if (sense_length <= MAXRESPLEN_24XX) {
1422 if (resid < 0) {
1423 cto->ct_resid = -resid;
1424 } else if (resid > 0) {
1425 cto->ct_resid = resid;
1426 }
1427 cto->ct_flags |= CT7_FLAG_MODE1;
1428 cto->ct_scsi_status = cso->scsi_status;
1429 if (resid < 0) {
1430 cto->ct_scsi_status |= (FCP_RESID_OVERFLOW << 8);
1431 } else if (resid > 0) {
1432 cto->ct_scsi_status |= (FCP_RESID_UNDERFLOW << 8);
1433 }
1434 if (fctape) {
1435 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF;
1436 }
1437 if (sense_length) {
1438 cto->ct_scsi_status |= (FCP_SNSLEN_VALID << 8);
1439 cto->rsp.m1.ct_resplen = cto->ct_senselen = sense_length;
1440 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length);
1441 }
1442 } else {
1443 bus_addr_t addr;
1444 char buf[XCMD_SIZE];
1445 fcp_rsp_iu_t *rp;
1446
1447 if (atp->ests == NULL) {
1448 atp->ests = isp_get_ecmd(isp);
1449 if (atp->ests == NULL) {
1450 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
1451 break;
1452 }
1453 }
1454 memset(buf, 0, sizeof (buf));
1455 rp = (fcp_rsp_iu_t *)buf;
1456 if (fctape) {
1457 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF;
1458 rp->fcp_rsp_bits |= FCP_CONF_REQ;
1459 }
1460 cto->ct_flags |= CT7_FLAG_MODE2;
1461 rp->fcp_rsp_scsi_status = cso->scsi_status;
1462 if (resid < 0) {
1463 rp->fcp_rsp_resid = -resid;
1464 rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW;
1465 } else if (resid > 0) {
1466 rp->fcp_rsp_resid = resid;
1467 rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW;
1468 }
1469 if (sense_length) {
1470 rp->fcp_rsp_snslen = sense_length;
1471 cto->ct_senselen = sense_length;
1472 rp->fcp_rsp_bits |= FCP_SNSLEN_VALID;
1473 isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1474 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length);
1475 } else {
1476 isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1477 }
1478 if (isp->isp_dblev & ISP_LOGTDEBUG1) {
1479 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests);
1480 }
1481 addr = isp->isp_osinfo.ecmd_dma;
1482 addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE);
1483 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,
1484 (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length);
1485 cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length;
1486 cto->rsp.m2.ct_fcp_rsp_iudata.ds_base = DMA_LO32(addr);
1487 cto->rsp.m2.ct_fcp_rsp_iudata.ds_basehi = DMA_HI32(addr);
1488 cto->rsp.m2.ct_fcp_rsp_iudata.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length;
1489 }
1490 if (sense_length) {
1491 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__,
1492 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,
1493 cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]);
1494 } else {
1495 isp_prt(isp, ISP_LOGDEBUG0, "%s: CTIO7[0x%x] seq %u nc %d CDB0=%x sstatus=0x%x flags=0x%x resid=%d", __func__,
1496 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, cto->ct_resid);
1497 }
1498 atp->state = ATPD_STATE_LAST_CTIO;
1499 }
1500
1501 /*
1502 * Mode 0 data transfers, *possibly* with status.
1503 */
1504 if (xfrlen != 0) {
1505 cto->ct_flags |= CT7_FLAG_MODE0;
1506 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1507 cto->ct_flags |= CT7_DATA_IN;
1508 } else {
1509 cto->ct_flags |= CT7_DATA_OUT;
1510 }
1511
1512 cto->rsp.m0.reloff = atp->bytes_xfered + atp->bytes_in_transit;
1513 cto->rsp.m0.ct_xfrlen = xfrlen;
1514
1515 #ifdef DEBUG
1516 if (ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame && xfrlen > ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame) {
1517 isp_prt(isp, ISP_LOGWARN, "%s: truncating data frame with xfrlen %d to %d", __func__, xfrlen, xfrlen - (xfrlen >> 2));
1518 ISP_FC_PC(isp, XS_CHANNEL(ccb))->inject_lost_data_frame = 0;
1519 cto->rsp.m0.ct_xfrlen -= xfrlen >> 2;
1520 }
1521 #endif
1522 if (sendstatus) {
1523 resid = atp->orig_datalen - atp->bytes_xfered - xfrlen;
1524 if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /* && fctape == 0 */) {
1525 cto->ct_flags |= CT7_SENDSTATUS;
1526 atp->state = ATPD_STATE_LAST_CTIO;
1527 if (fctape) {
1528 cto->ct_flags |= CT7_CONFIRM|CT7_EXPLCT_CONF;
1529 }
1530 } else {
1531 atp->sendst = 1; /* send status later */
1532 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM;
1533 atp->state = ATPD_STATE_CTIO;
1534 }
1535 } else {
1536 atp->state = ATPD_STATE_CTIO;
1537 }
1538 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__,
1539 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cto->ct_scsi_status, cto->ct_flags, xfrlen, atp->bytes_xfered);
1540 }
1541 } else {
1542 ct2_entry_t *cto = (ct2_entry_t *) local;
1543
1544 if (isp->isp_osinfo.sixtyfourbit)
1545 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO3;
1546 else
1547 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO2;
1548 cto->ct_header.rqs_entry_count = 1;
1549 cto->ct_header.rqs_seqno |= ATPD_SEQ_NOTIFY_CAM;
1550 ATPD_SET_SEQNO(cto, atp);
1551 if (ISP_CAP_2KLOGIN(isp)) {
1552 ((ct2e_entry_t *)cto)->ct_iid = atp->nphdl;
1553 } else {
1554 cto->ct_iid = atp->nphdl;
1555 if (ISP_CAP_SCCFW(isp) == 0) {
1556 cto->ct_lun = ccb->ccb_h.target_lun;
1557 }
1558 }
1559 cto->ct_timeout = (XS_TIME(ccb) + 999) / 1000;
1560 cto->ct_rxid = cso->tag_id;
1561
1562 /*
1563 * Mode 1, status, no data. Only possible when we are sending status, have
1564 * no data to transfer, and the sense length can fit in the ct7_entry.
1565 *
1566 * Mode 2, status, no data. We have to use this in the case the response
1567 * length won't fit into a ct2_entry_t.
1568 *
1569 * We'll fill out this structure with information as if this were a
1570 * Mode 1. The hardware layer will create the Mode 2 FCP RSP IU as
1571 * needed based upon this.
1572 */
1573 if (sendstatus && xfrlen == 0) {
1574 cto->ct_flags |= CT2_SENDSTATUS | CT2_NO_DATA;
1575 resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit;
1576 if (sense_length <= MAXRESPLEN) {
1577 if (resid < 0) {
1578 cto->ct_resid = -resid;
1579 } else if (resid > 0) {
1580 cto->ct_resid = resid;
1581 }
1582 cto->ct_flags |= CT2_FLAG_MODE1;
1583 cto->rsp.m1.ct_scsi_status = cso->scsi_status;
1584 if (resid < 0) {
1585 cto->rsp.m1.ct_scsi_status |= CT2_DATA_OVER;
1586 } else if (resid > 0) {
1587 cto->rsp.m1.ct_scsi_status |= CT2_DATA_UNDER;
1588 }
1589 if (fctape) {
1590 cto->ct_flags |= CT2_CONFIRM;
1591 }
1592 if (sense_length) {
1593 cto->rsp.m1.ct_scsi_status |= CT2_SNSLEN_VALID;
1594 cto->rsp.m1.ct_resplen = cto->rsp.m1.ct_senselen = sense_length;
1595 memcpy(cto->rsp.m1.ct_resp, &cso->sense_data, sense_length);
1596 }
1597 } else {
1598 bus_addr_t addr;
1599 char buf[XCMD_SIZE];
1600 fcp_rsp_iu_t *rp;
1601
1602 if (atp->ests == NULL) {
1603 atp->ests = isp_get_ecmd(isp);
1604 if (atp->ests == NULL) {
1605 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
1606 break;
1607 }
1608 }
1609 memset(buf, 0, sizeof (buf));
1610 rp = (fcp_rsp_iu_t *)buf;
1611 if (fctape) {
1612 cto->ct_flags |= CT2_CONFIRM;
1613 rp->fcp_rsp_bits |= FCP_CONF_REQ;
1614 }
1615 cto->ct_flags |= CT2_FLAG_MODE2;
1616 rp->fcp_rsp_scsi_status = cso->scsi_status;
1617 if (resid < 0) {
1618 rp->fcp_rsp_resid = -resid;
1619 rp->fcp_rsp_bits |= FCP_RESID_OVERFLOW;
1620 } else if (resid > 0) {
1621 rp->fcp_rsp_resid = resid;
1622 rp->fcp_rsp_bits |= FCP_RESID_UNDERFLOW;
1623 }
1624 if (sense_length) {
1625 rp->fcp_rsp_snslen = sense_length;
1626 rp->fcp_rsp_bits |= FCP_SNSLEN_VALID;
1627 isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1628 memcpy(((fcp_rsp_iu_t *)atp->ests)->fcp_rsp_extra, &cso->sense_data, sense_length);
1629 } else {
1630 isp_put_fcp_rsp_iu(isp, rp, atp->ests);
1631 }
1632 if (isp->isp_dblev & ISP_LOGTDEBUG1) {
1633 isp_print_bytes(isp, "FCP Response Frame After Swizzling", MIN_FCP_RESPONSE_SIZE + sense_length, atp->ests);
1634 }
1635 addr = isp->isp_osinfo.ecmd_dma;
1636 addr += ((((isp_ecmd_t *)atp->ests) - isp->isp_osinfo.ecmd_base) * XCMD_SIZE);
1637 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,
1638 (uintmax_t) isp->isp_osinfo.ecmd_dma, (uintmax_t)addr, MIN_FCP_RESPONSE_SIZE + sense_length);
1639 cto->rsp.m2.ct_datalen = MIN_FCP_RESPONSE_SIZE + sense_length;
1640 if (isp->isp_osinfo.sixtyfourbit) {
1641 cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_base = DMA_LO32(addr);
1642 cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_basehi = DMA_HI32(addr);
1643 cto->rsp.m2.u.ct_fcp_rsp_iudata_64.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length;
1644 } else {
1645 cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_base = DMA_LO32(addr);
1646 cto->rsp.m2.u.ct_fcp_rsp_iudata_32.ds_count = MIN_FCP_RESPONSE_SIZE + sense_length;
1647 }
1648 }
1649 if (sense_length) {
1650 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__,
1651 cto->ct_rxid, ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid,
1652 cso->sense_data.error_code, cso->sense_data.sense_buf[1], cso->sense_data.sense_buf[11], cso->sense_data.sense_buf[12]);
1653 } else {
1654 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,
1655 ATPD_GET_SEQNO(cto), ATPD_GET_NCAM(cto), atp->cdb0, cso->scsi_status, cto->ct_flags, cto->ct_resid);
1656 }
1657 atp->state = ATPD_STATE_LAST_CTIO;
1658 }
1659
1660 if (xfrlen != 0) {
1661 cto->ct_flags |= CT2_FLAG_MODE0;
1662 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1663 cto->ct_flags |= CT2_DATA_IN;
1664 } else {
1665 cto->ct_flags |= CT2_DATA_OUT;
1666 }
1667
1668 cto->ct_reloff = atp->bytes_xfered + atp->bytes_in_transit;
1669 cto->rsp.m0.ct_xfrlen = xfrlen;
1670
1671 if (sendstatus) {
1672 resid = atp->orig_datalen - atp->bytes_xfered - xfrlen;
1673 if (cso->scsi_status == SCSI_STATUS_OK && resid == 0 /*&& fctape == 0*/) {
1674 cto->ct_flags |= CT2_SENDSTATUS;
1675 atp->state = ATPD_STATE_LAST_CTIO;
1676 if (fctape) {
1677 cto->ct_flags |= CT2_CONFIRM;
1678 }
1679 } else {
1680 atp->sendst = 1; /* send status later */
1681 cto->ct_header.rqs_seqno &= ~ATPD_SEQ_NOTIFY_CAM;
1682 atp->state = ATPD_STATE_CTIO;
1683 }
1684 } else {
1685 atp->state = ATPD_STATE_CTIO;
1686 }
1687 }
1688 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,
1689 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);
1690 }
1691
1692 if (isp_get_pcmd(isp, ccb)) {
1693 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "out of PCMDs\n");
1694 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
1695 break;
1696 }
1697 handle = isp_allocate_handle(isp, ccb, ISP_HANDLE_TARGET);
1698 if (handle == 0) {
1699 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "No XFLIST pointers for %s\n", __func__);
1700 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
1701 isp_free_pcmd(isp, ccb);
1702 break;
1703 }
1704 atp->bytes_in_transit += xfrlen;
1705 PISP_PCMD(ccb)->datalen = xfrlen;
1706
1707
1708 /*
1709 * Call the dma setup routines for this entry (and any subsequent
1710 * CTIOs) if there's data to move, and then tell the f/w it's got
1711 * new things to play with. As with isp_start's usage of DMA setup,
1712 * any swizzling is done in the machine dependent layer. Because
1713 * of this, we put the request onto the queue area first in native
1714 * format.
1715 */
1716
1717 if (IS_24XX(isp)) {
1718 ct7_entry_t *cto = (ct7_entry_t *) local;
1719 cto->ct_syshandle = handle;
1720 } else {
1721 ct2_entry_t *cto = (ct2_entry_t *) local;
1722 cto->ct_syshandle = handle;
1723 }
1724
1725 dmaresult = ISP_DMASETUP(isp, cso, (ispreq_t *) local);
1726 if (dmaresult != CMD_QUEUED) {
1727 isp_destroy_handle(isp, handle);
1728 isp_free_pcmd(isp, ccb);
1729 if (dmaresult == CMD_EAGAIN) {
1730 TAILQ_INSERT_HEAD(&tptr->waitq, &ccb->ccb_h, periph_links.tqe);
1731 break;
1732 }
1733 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1734 xpt_done(ccb);
1735 continue;
1736 }
1737 isp->isp_nactive++;
1738 ccb->ccb_h.status = CAM_REQ_INPROG | CAM_SIM_QUEUED;
1739 if (xfrlen) {
1740 ccb->ccb_h.spriv_field0 = atp->bytes_xfered;
1741 } else {
1742 ccb->ccb_h.spriv_field0 = ~0;
1743 }
1744 atp->ctcnt++;
1745 atp->seqno++;
1746 }
1747 rls_lun_statep(isp, tptr);
1748 }
1749
1750 static void
isp_refire_putback_atio(void * arg)1751 isp_refire_putback_atio(void *arg)
1752 {
1753 union ccb *ccb = arg;
1754
1755 ISP_ASSERT_LOCKED((ispsoftc_t *)XS_ISP(ccb));
1756 isp_target_putback_atio(ccb);
1757 }
1758
1759 static void
isp_refire_notify_ack(void * arg)1760 isp_refire_notify_ack(void *arg)
1761 {
1762 isp_tna_t *tp = arg;
1763 ispsoftc_t *isp = tp->isp;
1764
1765 ISP_ASSERT_LOCKED(isp);
1766 if (isp_notify_ack(isp, tp->not)) {
1767 callout_schedule(&tp->timer, 5);
1768 } else {
1769 free(tp, M_DEVBUF);
1770 }
1771 }
1772
1773
1774 static void
isp_target_putback_atio(union ccb * ccb)1775 isp_target_putback_atio(union ccb *ccb)
1776 {
1777 ispsoftc_t *isp;
1778 struct ccb_scsiio *cso;
1779 void *qe;
1780 at2_entry_t local, *at = &local;
1781
1782 isp = XS_ISP(ccb);
1783
1784 qe = isp_getrqentry(isp);
1785 if (qe == NULL) {
1786 xpt_print(ccb->ccb_h.path,
1787 "%s: Request Queue Overflow\n", __func__);
1788 callout_reset(&PISP_PCMD(ccb)->wdog, 10,
1789 isp_refire_putback_atio, ccb);
1790 return;
1791 }
1792 memset(qe, 0, QENTRY_LEN);
1793 cso = &ccb->csio;
1794 ISP_MEMZERO(at, sizeof (at2_entry_t));
1795 at->at_header.rqs_entry_type = RQSTYPE_ATIO2;
1796 at->at_header.rqs_entry_count = 1;
1797 if (ISP_CAP_SCCFW(isp)) {
1798 at->at_scclun = (uint16_t) ccb->ccb_h.target_lun;
1799 #if __FreeBSD_version < 1000700
1800 if (at->at_scclun >= 256)
1801 at->at_scclun |= 0x4000;
1802 #endif
1803 } else {
1804 at->at_lun = (uint8_t) ccb->ccb_h.target_lun;
1805 }
1806 at->at_status = CT_OK;
1807 at->at_rxid = cso->tag_id;
1808 at->at_iid = cso->ccb_h.target_id;
1809 isp_put_atio2(isp, at, qe);
1810 ISP_TDQE(isp, "isp_target_putback_atio", isp->isp_reqidx, qe);
1811 ISP_SYNC_REQUEST(isp);
1812 isp_complete_ctio(ccb);
1813 }
1814
1815 static void
isp_complete_ctio(union ccb * ccb)1816 isp_complete_ctio(union ccb *ccb)
1817 {
1818 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) {
1819 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1820 xpt_done(ccb);
1821 }
1822 }
1823
1824 static void
isp_handle_platform_atio2(ispsoftc_t * isp,at2_entry_t * aep)1825 isp_handle_platform_atio2(ispsoftc_t *isp, at2_entry_t *aep)
1826 {
1827 fcparam *fcp;
1828 lun_id_t lun;
1829 fcportdb_t *lp;
1830 tstate_t *tptr;
1831 struct ccb_accept_tio *atiop;
1832 uint16_t nphdl;
1833 atio_private_data_t *atp;
1834 inot_private_data_t *ntp;
1835
1836 /*
1837 * The firmware status (except for the QLTM_SVALID bit)
1838 * indicates why this ATIO was sent to us.
1839 *
1840 * If QLTM_SVALID is set, the firmware has recommended Sense Data.
1841 */
1842 if ((aep->at_status & ~QLTM_SVALID) != AT_CDB) {
1843 isp_prt(isp, ISP_LOGWARN, "bogus atio (0x%x) leaked to platform", aep->at_status);
1844 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1845 return;
1846 }
1847
1848 fcp = FCPARAM(isp, 0);
1849 if (ISP_CAP_SCCFW(isp)) {
1850 lun = aep->at_scclun;
1851 #if __FreeBSD_version < 1000700
1852 lun &= 0x3fff;
1853 #endif
1854 } else {
1855 lun = aep->at_lun;
1856 }
1857 if (ISP_CAP_2KLOGIN(isp)) {
1858 nphdl = ((at2e_entry_t *)aep)->at_iid;
1859 } else {
1860 nphdl = aep->at_iid;
1861 }
1862 tptr = get_lun_statep(isp, 0, lun);
1863 if (tptr == NULL) {
1864 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD);
1865 if (tptr == NULL) {
1866 isp_prt(isp, ISP_LOGWARN, "%s: [0x%x] no state pointer for lun %jx or wildcard", __func__, aep->at_rxid, (uintmax_t)lun);
1867 if (lun == 0) {
1868 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1869 } else {
1870 isp_endcmd(isp, aep, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0);
1871 }
1872 return;
1873 }
1874 }
1875
1876 /*
1877 * Start any commands pending resources first.
1878 */
1879 if (tptr->restart_queue) {
1880 inot_private_data_t *restart_queue = tptr->restart_queue;
1881 tptr->restart_queue = NULL;
1882 while (restart_queue) {
1883 ntp = restart_queue;
1884 restart_queue = ntp->rd.nt.nt_hba;
1885 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at2_entry_t *)ntp->rd.data)->at_rxid);
1886 isp_handle_platform_atio2(isp, (at2_entry_t *) ntp->rd.data);
1887 isp_put_ntpd(isp, tptr, ntp);
1888 /*
1889 * If a recursion caused the restart queue to start to fill again,
1890 * stop and splice the new list on top of the old list and restore
1891 * it and go to noresrc.
1892 */
1893 if (tptr->restart_queue) {
1894 ntp = tptr->restart_queue;
1895 tptr->restart_queue = restart_queue;
1896 while (restart_queue->rd.nt.nt_hba) {
1897 restart_queue = restart_queue->rd.nt.nt_hba;
1898 }
1899 restart_queue->rd.nt.nt_hba = ntp;
1900 goto noresrc;
1901 }
1902 }
1903 }
1904
1905 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
1906 if (atiop == NULL) {
1907 goto noresrc;
1908 }
1909
1910 atp = isp_get_atpd(isp, tptr, aep->at_rxid);
1911 if (atp == NULL) {
1912 goto noresrc;
1913 }
1914
1915 atp->state = ATPD_STATE_ATIO;
1916 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
1917 tptr->atio_count--;
1918 isp_prt(isp, ISP_LOGTDEBUG2, "Take FREE ATIO count now %d", tptr->atio_count);
1919 atiop->ccb_h.target_id = fcp->isp_loopid;
1920 atiop->ccb_h.target_lun = lun;
1921
1922 /*
1923 * We don't get 'suggested' sense data as we do with SCSI cards.
1924 */
1925 atiop->sense_len = 0;
1926
1927 /*
1928 * If we're not in the port database, add ourselves.
1929 */
1930 if (IS_2100(isp))
1931 atiop->init_id = nphdl;
1932 else {
1933 if ((isp_find_pdb_by_handle(isp, 0, nphdl, &lp) == 0 ||
1934 lp->state == FC_PORTDB_STATE_ZOMBIE)) {
1935 uint64_t wwpn =
1936 (((uint64_t) aep->at_wwpn[0]) << 48) |
1937 (((uint64_t) aep->at_wwpn[1]) << 32) |
1938 (((uint64_t) aep->at_wwpn[2]) << 16) |
1939 (((uint64_t) aep->at_wwpn[3]) << 0);
1940 isp_add_wwn_entry(isp, 0, wwpn, INI_NONE,
1941 nphdl, PORT_ANY, 0);
1942 if (fcp->isp_loopstate > LOOP_LTEST_DONE)
1943 fcp->isp_loopstate = LOOP_LTEST_DONE;
1944 isp_async(isp, ISPASYNC_CHANGE_NOTIFY, 0,
1945 ISPASYNC_CHANGE_PDB, nphdl, 0x06, 0xff);
1946 isp_find_pdb_by_handle(isp, 0, nphdl, &lp);
1947 }
1948 atiop->init_id = FC_PORTDB_TGT(isp, 0, lp);
1949 }
1950 atiop->cdb_len = ATIO2_CDBLEN;
1951 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, ATIO2_CDBLEN);
1952 atiop->ccb_h.status = CAM_CDB_RECVD;
1953 atiop->tag_id = atp->tag;
1954 switch (aep->at_taskflags & ATIO2_TC_ATTR_MASK) {
1955 case ATIO2_TC_ATTR_SIMPLEQ:
1956 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
1957 atiop->tag_action = MSG_SIMPLE_Q_TAG;
1958 break;
1959 case ATIO2_TC_ATTR_HEADOFQ:
1960 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
1961 atiop->tag_action = MSG_HEAD_OF_Q_TAG;
1962 break;
1963 case ATIO2_TC_ATTR_ORDERED:
1964 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
1965 atiop->tag_action = MSG_ORDERED_Q_TAG;
1966 break;
1967 case ATIO2_TC_ATTR_ACAQ: /* ?? */
1968 case ATIO2_TC_ATTR_UNTAGGED:
1969 default:
1970 atiop->tag_action = 0;
1971 break;
1972 }
1973
1974 atp->orig_datalen = aep->at_datalen;
1975 atp->bytes_xfered = 0;
1976 atp->lun = lun;
1977 atp->nphdl = nphdl;
1978 atp->sid = PORT_ANY;
1979 atp->oxid = aep->at_oxid;
1980 atp->cdb0 = aep->at_cdb[0];
1981 atp->tattr = aep->at_taskflags & ATIO2_TC_ATTR_MASK;
1982 atp->state = ATPD_STATE_CAM;
1983 xpt_done((union ccb *)atiop);
1984 isp_prt(isp, ISP_LOGTDEBUG0, "ATIO2[0x%x] CDB=0x%x lun %jx datalen %u", aep->at_rxid, atp->cdb0, (uintmax_t)lun, atp->orig_datalen);
1985 rls_lun_statep(isp, tptr);
1986 return;
1987 noresrc:
1988 ntp = isp_get_ntpd(isp, tptr);
1989 if (ntp == NULL) {
1990 rls_lun_statep(isp, tptr);
1991 isp_endcmd(isp, aep, nphdl, 0, SCSI_STATUS_BUSY, 0);
1992 return;
1993 }
1994 memcpy(ntp->rd.data, aep, QENTRY_LEN);
1995 ntp->rd.nt.nt_hba = tptr->restart_queue;
1996 tptr->restart_queue = ntp;
1997 rls_lun_statep(isp, tptr);
1998 }
1999
2000 static void
isp_handle_platform_atio7(ispsoftc_t * isp,at7_entry_t * aep)2001 isp_handle_platform_atio7(ispsoftc_t *isp, at7_entry_t *aep)
2002 {
2003 int cdbxlen;
2004 lun_id_t lun;
2005 uint16_t chan, nphdl = NIL_HANDLE;
2006 uint32_t did, sid;
2007 fcportdb_t *lp;
2008 tstate_t *tptr;
2009 struct ccb_accept_tio *atiop;
2010 atio_private_data_t *atp = NULL;
2011 atio_private_data_t *oatp;
2012 inot_private_data_t *ntp;
2013
2014 did = (aep->at_hdr.d_id[0] << 16) | (aep->at_hdr.d_id[1] << 8) | aep->at_hdr.d_id[2];
2015 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2];
2016 #if __FreeBSD_version >= 1000700
2017 lun = CAM_EXTLUN_BYTE_SWIZZLE(be64dec(aep->at_cmnd.fcp_cmnd_lun));
2018 #else
2019 lun = (aep->at_cmnd.fcp_cmnd_lun[0] & 0x3f << 8) |
2020 aep->at_cmnd.fcp_cmnd_lun[1];
2021 #endif
2022
2023 /*
2024 * Find the N-port handle, and Virtual Port Index for this command.
2025 *
2026 * If we can't, we're somewhat in trouble because we can't actually respond w/o that information.
2027 * We also, as a matter of course, need to know the WWN of the initiator too.
2028 */
2029 if (ISP_CAP_MULTI_ID(isp) && isp->isp_nchan > 1) {
2030 /*
2031 * Find the right channel based upon D_ID
2032 */
2033 isp_find_chan_by_did(isp, did, &chan);
2034
2035 if (chan == ISP_NOCHAN) {
2036 NANOTIME_T now;
2037
2038 /*
2039 * If we don't recognizer our own D_DID, terminate the exchange, unless we're within 2 seconds of startup
2040 * It's a bit tricky here as we need to stash this command *somewhere*.
2041 */
2042 GET_NANOTIME(&now);
2043 if (NANOTIME_SUB(&isp->isp_init_time, &now) > 2000000000ULL) {
2044 isp_prt(isp, ISP_LOGWARN, "%s: [RX_ID 0x%x] D_ID %x not found on any channel- dropping", __func__, aep->at_rxid, did);
2045 isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, ECMD_TERMINATE, 0);
2046 return;
2047 }
2048 tptr = get_lun_statep(isp, 0, 0);
2049 if (tptr == NULL) {
2050 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD);
2051 if (tptr == NULL) {
2052 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);
2053 isp_endcmd(isp, aep, NIL_HANDLE, ISP_NOCHAN, ECMD_TERMINATE, 0);
2054 return;
2055 }
2056 }
2057 isp_prt(isp, ISP_LOGWARN, "%s: [RX_ID 0x%x] D_ID %x not found on any channel- deferring", __func__, aep->at_rxid, did);
2058 goto noresrc;
2059 }
2060 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);
2061 } else {
2062 chan = 0;
2063 }
2064
2065 /*
2066 * Find the PDB entry for this initiator
2067 */
2068 if (isp_find_pdb_by_portid(isp, chan, sid, &lp) == 0) {
2069 /*
2070 * If we're not in the port database terminate the exchange.
2071 */
2072 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",
2073 __func__, aep->at_rxid, did, chan, sid);
2074 isp_dump_portdb(isp, chan);
2075 isp_endcmd(isp, aep, NIL_HANDLE, chan, ECMD_TERMINATE, 0);
2076 return;
2077 }
2078 nphdl = lp->handle;
2079
2080 /*
2081 * Get the tstate pointer
2082 */
2083 tptr = get_lun_statep(isp, chan, lun);
2084 if (tptr == NULL) {
2085 tptr = get_lun_statep(isp, chan, CAM_LUN_WILDCARD);
2086 if (tptr == NULL) {
2087 isp_prt(isp, ISP_LOGWARN,
2088 "%s: [0x%x] no state pointer for lun %jx or wildcard",
2089 __func__, aep->at_rxid, (uintmax_t)lun);
2090 if (lun == 0) {
2091 isp_endcmd(isp, aep, nphdl, SCSI_STATUS_BUSY, 0);
2092 } else {
2093 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_CHECK_COND | ECMD_SVALID | (0x5 << 12) | (0x25 << 16), 0);
2094 }
2095 return;
2096 }
2097 }
2098
2099 /*
2100 * Start any commands pending resources first.
2101 */
2102 if (tptr->restart_queue) {
2103 inot_private_data_t *restart_queue = tptr->restart_queue;
2104 tptr->restart_queue = NULL;
2105 while (restart_queue) {
2106 ntp = restart_queue;
2107 restart_queue = ntp->rd.nt.nt_hba;
2108 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restarting resrc deprived %x", __func__, ((at7_entry_t *)ntp->rd.data)->at_rxid);
2109 isp_handle_platform_atio7(isp, (at7_entry_t *) ntp->rd.data);
2110 isp_put_ntpd(isp, tptr, ntp);
2111 /*
2112 * If a recursion caused the restart queue to start to fill again,
2113 * stop and splice the new list on top of the old list and restore
2114 * it and go to noresrc.
2115 */
2116 if (tptr->restart_queue) {
2117 isp_prt(isp, ISP_LOGTDEBUG0, "%s: restart queue refilling", __func__);
2118 if (restart_queue) {
2119 ntp = tptr->restart_queue;
2120 tptr->restart_queue = restart_queue;
2121 while (restart_queue->rd.nt.nt_hba) {
2122 restart_queue = restart_queue->rd.nt.nt_hba;
2123 }
2124 restart_queue->rd.nt.nt_hba = ntp;
2125 }
2126 goto noresrc;
2127 }
2128 }
2129 }
2130
2131 /*
2132 * If the f/w is out of resources, just send a BUSY status back.
2133 */
2134 if (aep->at_rxid == AT7_NORESRC_RXID) {
2135 rls_lun_statep(isp, tptr);
2136 isp_endcmd(isp, aep, nphdl, chan, SCSI_BUSY, 0);
2137 return;
2138 }
2139
2140 /*
2141 * If we're out of resources, just send a BUSY status back.
2142 */
2143 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
2144 if (atiop == NULL) {
2145 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atios", aep->at_rxid);
2146 goto noresrc;
2147 }
2148
2149 oatp = isp_find_atpd(isp, tptr, aep->at_rxid);
2150 if (oatp) {
2151 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",
2152 aep->at_rxid, nphdl, sid, aep->at_hdr.ox_id, oatp->state);
2153 /*
2154 * It's not a "no resource" condition- but we can treat it like one
2155 */
2156 goto noresrc;
2157 }
2158 atp = isp_get_atpd(isp, tptr, aep->at_rxid);
2159 if (atp == NULL) {
2160 isp_prt(isp, ISP_LOGTDEBUG0, "[0x%x] out of atps", aep->at_rxid);
2161 goto noresrc;
2162 }
2163 atp->word3 = lp->prli_word3;
2164 atp->state = ATPD_STATE_ATIO;
2165 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
2166 tptr->atio_count--;
2167 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, atiop->ccb_h.path, "Take FREE ATIO count now %d\n", tptr->atio_count);
2168 atiop->init_id = FC_PORTDB_TGT(isp, chan, lp);
2169 atiop->ccb_h.target_id = FCPARAM(isp, chan)->isp_loopid;
2170 atiop->ccb_h.target_lun = lun;
2171 atiop->sense_len = 0;
2172 cdbxlen = aep->at_cmnd.fcp_cmnd_alen_datadir >> FCP_CMND_ADDTL_CDBLEN_SHIFT;
2173 if (cdbxlen) {
2174 isp_prt(isp, ISP_LOGWARN, "additional CDBLEN ignored");
2175 }
2176 cdbxlen = sizeof (aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb);
2177 ISP_MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cmnd.cdb_dl.sf.fcp_cmnd_cdb, cdbxlen);
2178 atiop->cdb_len = cdbxlen;
2179 atiop->ccb_h.status = CAM_CDB_RECVD;
2180 atiop->tag_id = atp->tag;
2181 switch (aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK) {
2182 case FCP_CMND_TASK_ATTR_SIMPLE:
2183 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
2184 atiop->tag_action = MSG_SIMPLE_Q_TAG;
2185 break;
2186 case FCP_CMND_TASK_ATTR_HEAD:
2187 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
2188 atiop->tag_action = MSG_HEAD_OF_Q_TAG;
2189 break;
2190 case FCP_CMND_TASK_ATTR_ORDERED:
2191 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID;
2192 atiop->tag_action = MSG_ORDERED_Q_TAG;
2193 break;
2194 default:
2195 /* FALLTHROUGH */
2196 case FCP_CMND_TASK_ATTR_ACA:
2197 case FCP_CMND_TASK_ATTR_UNTAGGED:
2198 atiop->tag_action = 0;
2199 break;
2200 }
2201 atp->orig_datalen = aep->at_cmnd.cdb_dl.sf.fcp_cmnd_dl;
2202 atp->bytes_xfered = 0;
2203 atp->lun = lun;
2204 atp->nphdl = nphdl;
2205 atp->portid = sid;
2206 atp->oxid = aep->at_hdr.ox_id;
2207 atp->rxid = aep->at_hdr.rx_id;
2208 atp->cdb0 = atiop->cdb_io.cdb_bytes[0];
2209 atp->tattr = aep->at_cmnd.fcp_cmnd_task_attribute & FCP_CMND_TASK_ATTR_MASK;
2210 atp->state = ATPD_STATE_CAM;
2211 isp_prt(isp, ISP_LOGTDEBUG0, "ATIO7[0x%x] CDB=0x%x lun %jx datalen %u",
2212 aep->at_rxid, atp->cdb0, (uintmax_t)lun, atp->orig_datalen);
2213 xpt_done((union ccb *)atiop);
2214 rls_lun_statep(isp, tptr);
2215 return;
2216 noresrc:
2217 if (atp) {
2218 isp_put_atpd(isp, tptr, atp);
2219 }
2220 ntp = isp_get_ntpd(isp, tptr);
2221 if (ntp == NULL) {
2222 rls_lun_statep(isp, tptr);
2223 isp_endcmd(isp, aep, nphdl, chan, SCSI_STATUS_BUSY, 0);
2224 return;
2225 }
2226 memcpy(ntp->rd.data, aep, QENTRY_LEN);
2227 ntp->rd.nt.nt_hba = tptr->restart_queue;
2228 tptr->restart_queue = ntp;
2229 rls_lun_statep(isp, tptr);
2230 }
2231
2232
2233 /*
2234 * Handle starting an SRR (sequence retransmit request)
2235 * We get here when we've gotten the immediate notify
2236 * and the return of all outstanding CTIOs for this
2237 * transaction.
2238 */
2239 static void
isp_handle_srr_start(ispsoftc_t * isp,tstate_t * tptr,atio_private_data_t * atp)2240 isp_handle_srr_start(ispsoftc_t *isp, tstate_t *tptr, atio_private_data_t *atp)
2241 {
2242 in_fcentry_24xx_t *inot;
2243 uint32_t srr_off, ccb_off, ccb_len, ccb_end;
2244 union ccb *ccb;
2245
2246 inot = (in_fcentry_24xx_t *)atp->srr;
2247 srr_off = inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16);
2248 ccb = atp->srr_ccb;
2249 atp->srr_ccb = NULL;
2250 atp->nsrr++;
2251 if (ccb == NULL) {
2252 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] null ccb", atp->tag);
2253 goto fail;
2254 }
2255
2256 ccb_off = ccb->ccb_h.spriv_field0;
2257 ccb_len = ccb->csio.dxfer_len;
2258 ccb_end = (ccb_off == ~0)? ~0 : ccb_off + ccb_len;
2259
2260 switch (inot->in_srr_iu) {
2261 case R_CTL_INFO_SOLICITED_DATA:
2262 /*
2263 * We have to restart a FCP_DATA data out transaction
2264 */
2265 atp->sendst = 0;
2266 atp->bytes_xfered = srr_off;
2267 if (ccb_len == 0) {
2268 isp_prt(isp, ISP_LOGWARN, "SRR[0x%x] SRR offset 0x%x but current CCB doesn't transfer data", atp->tag, srr_off);
2269 goto mdp;
2270 }
2271 if (srr_off < ccb_off || ccb_off > srr_off + ccb_len) {
2272 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);
2273 goto mdp;
2274 }
2275 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);
2276 break;
2277 case R_CTL_INFO_COMMAND_STATUS:
2278 isp_prt(isp, ISP_LOGTINFO, "SRR[0x%x] Got an FCP RSP SRR- resending status", atp->tag);
2279 atp->sendst = 1;
2280 /*
2281 * We have to restart a FCP_RSP IU transaction
2282 */
2283 break;
2284 case R_CTL_INFO_DATA_DESCRIPTOR:
2285 /*
2286 * We have to restart an FCP DATA in transaction
2287 */
2288 isp_prt(isp, ISP_LOGWARN, "Got an FCP DATA IN SRR- dropping");
2289 goto fail;
2290
2291 default:
2292 isp_prt(isp, ISP_LOGWARN, "Got an unknown information (%x) SRR- dropping", inot->in_srr_iu);
2293 goto fail;
2294 }
2295
2296 /*
2297 * We can't do anything until this is acked, so we might as well start it now.
2298 * We aren't going to do the usual asynchronous ack issue because we need
2299 * to make sure this gets on the wire first.
2300 */
2301 if (isp_notify_ack(isp, inot)) {
2302 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose");
2303 goto fail;
2304 }
2305 isp_target_start_ctio(isp, ccb, FROM_SRR);
2306 return;
2307 fail:
2308 inot->in_reserved = 1;
2309 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2310 ccb->ccb_h.status &= ~CAM_STATUS_MASK;
2311 ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
2312 isp_complete_ctio(ccb);
2313 return;
2314 mdp:
2315 if (isp_notify_ack(isp, inot)) {
2316 isp_prt(isp, ISP_LOGWARN, "could not push positive ack for SRR- you lose");
2317 goto fail;
2318 }
2319 ccb->ccb_h.status &= ~CAM_STATUS_MASK;
2320 ccb->ccb_h.status = CAM_MESSAGE_RECV;
2321 /*
2322 * This is not a strict interpretation of MDP, but it's close
2323 */
2324 ccb->csio.msg_ptr = &ccb->csio.sense_data.sense_buf[SSD_FULL_SIZE - 16];
2325 ccb->csio.msg_len = 7;
2326 ccb->csio.msg_ptr[0] = MSG_EXTENDED;
2327 ccb->csio.msg_ptr[1] = 5;
2328 ccb->csio.msg_ptr[2] = 0; /* modify data pointer */
2329 ccb->csio.msg_ptr[3] = srr_off >> 24;
2330 ccb->csio.msg_ptr[4] = srr_off >> 16;
2331 ccb->csio.msg_ptr[5] = srr_off >> 8;
2332 ccb->csio.msg_ptr[6] = srr_off;
2333 isp_complete_ctio(ccb);
2334 }
2335
2336
2337 static void
isp_handle_srr_notify(ispsoftc_t * isp,void * inot_raw)2338 isp_handle_srr_notify(ispsoftc_t *isp, void *inot_raw)
2339 {
2340 tstate_t *tptr;
2341 in_fcentry_24xx_t *inot = inot_raw;
2342 atio_private_data_t *atp;
2343 uint32_t tag = inot->in_rxid;
2344 uint32_t bus = inot->in_vpidx;
2345
2346 if (!IS_24XX(isp)) {
2347 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot_raw);
2348 return;
2349 }
2350
2351 tptr = get_lun_statep_from_tag(isp, bus, tag);
2352 if (tptr == NULL) {
2353 isp_prt(isp, ISP_LOGERR, "%s: cannot find tptr for tag %x in SRR Notify", __func__, tag);
2354 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2355 return;
2356 }
2357 atp = isp_find_atpd(isp, tptr, tag);
2358 if (atp == NULL) {
2359 rls_lun_statep(isp, tptr);
2360 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x in SRR Notify", __func__, tag);
2361 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2362 return;
2363 }
2364 atp->srr_notify_rcvd = 1;
2365 memcpy(atp->srr, inot, sizeof (atp->srr));
2366 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,
2367 inot->in_srr_reloff_lo | (inot->in_srr_reloff_hi << 16));
2368 if (atp->srr_ccb)
2369 isp_handle_srr_start(isp, tptr, atp);
2370 rls_lun_statep(isp, tptr);
2371 }
2372
2373 static void
isp_handle_platform_ctio(ispsoftc_t * isp,void * arg)2374 isp_handle_platform_ctio(ispsoftc_t *isp, void *arg)
2375 {
2376 union ccb *ccb;
2377 int sentstatus = 0, ok = 0, notify_cam = 0, resid = 0, failure = 0;
2378 tstate_t *tptr = NULL;
2379 atio_private_data_t *atp = NULL;
2380 int bus;
2381 uint32_t handle, moved_data = 0, data_requested;
2382
2383 handle = ((ct2_entry_t *)arg)->ct_syshandle;
2384 ccb = isp_find_xs(isp, handle);
2385 if (ccb == NULL) {
2386 isp_print_bytes(isp, "null ccb in isp_handle_platform_ctio", QENTRY_LEN, arg);
2387 return;
2388 }
2389 isp_destroy_handle(isp, handle);
2390 data_requested = PISP_PCMD(ccb)->datalen;
2391 isp_free_pcmd(isp, ccb);
2392 if (isp->isp_nactive) {
2393 isp->isp_nactive--;
2394 }
2395
2396 bus = XS_CHANNEL(ccb);
2397 tptr = get_lun_statep(isp, bus, XS_LUN(ccb));
2398 if (tptr == NULL) {
2399 tptr = get_lun_statep(isp, bus, CAM_LUN_WILDCARD);
2400 }
2401 if (tptr == NULL) {
2402 isp_prt(isp, ISP_LOGERR, "%s: cannot find tptr for tag %x after I/O", __func__, ccb->csio.tag_id);
2403 return;
2404 }
2405
2406 if (IS_24XX(isp)) {
2407 atp = isp_find_atpd(isp, tptr, ((ct7_entry_t *)arg)->ct_rxid);
2408 } else {
2409 atp = isp_find_atpd(isp, tptr, ((ct2_entry_t *)arg)->ct_rxid);
2410 }
2411 if (atp == NULL) {
2412 /*
2413 * XXX: isp_clear_commands() generates fake CTIO with zero
2414 * ct_rxid value, filling only ct_syshandle. Workaround
2415 * that using tag_id from the CCB, pointed by ct_syshandle.
2416 */
2417 atp = isp_find_atpd(isp, tptr, ccb->csio.tag_id);
2418 }
2419 if (atp == NULL) {
2420 rls_lun_statep(isp, tptr);
2421 isp_prt(isp, ISP_LOGERR, "%s: cannot find adjunct for %x after I/O", __func__, ccb->csio.tag_id);
2422 return;
2423 }
2424 KASSERT((atp->ctcnt > 0), ("ctio count not greater than zero"));
2425 atp->bytes_in_transit -= data_requested;
2426 atp->ctcnt -= 1;
2427 ccb->ccb_h.status &= ~CAM_STATUS_MASK;
2428
2429 if (IS_24XX(isp)) {
2430 ct7_entry_t *ct = arg;
2431
2432 if (ct->ct_nphdl == CT7_SRR) {
2433 atp->srr_ccb = ccb;
2434 if (atp->srr_notify_rcvd)
2435 isp_handle_srr_start(isp, tptr, atp);
2436 rls_lun_statep(isp, tptr);
2437 return;
2438 }
2439 if (ct->ct_nphdl == CT_HBA_RESET) {
2440 failure = CAM_UNREC_HBA_ERROR;
2441 } else {
2442 sentstatus = ct->ct_flags & CT7_SENDSTATUS;
2443 ok = (ct->ct_nphdl == CT7_OK);
2444 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0;
2445 if ((ct->ct_flags & CT7_DATAMASK) != CT7_NO_DATA) {
2446 resid = ct->ct_resid;
2447 moved_data = data_requested - resid;
2448 }
2449 }
2450 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),
2451 notify_cam, ct->ct_nphdl, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID");
2452 } else {
2453 ct2_entry_t *ct = arg;
2454 if (ct->ct_status == CT_SRR) {
2455 atp->srr_ccb = ccb;
2456 if (atp->srr_notify_rcvd)
2457 isp_handle_srr_start(isp, tptr, atp);
2458 rls_lun_statep(isp, tptr);
2459 isp_target_putback_atio(ccb);
2460 return;
2461 }
2462 if (ct->ct_status == CT_HBA_RESET) {
2463 failure = CAM_UNREC_HBA_ERROR;
2464 } else {
2465 sentstatus = ct->ct_flags & CT2_SENDSTATUS;
2466 ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK;
2467 notify_cam = (ct->ct_header.rqs_seqno & ATPD_SEQ_NOTIFY_CAM) != 0;
2468 if ((ct->ct_flags & CT2_DATAMASK) != CT2_NO_DATA) {
2469 resid = ct->ct_resid;
2470 moved_data = data_requested - resid;
2471 }
2472 }
2473 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),
2474 notify_cam, ct->ct_status, ct->ct_flags, (ccb->ccb_h.status & CAM_SENT_SENSE) != 0, resid, sentstatus? "FIN" : "MID");
2475 }
2476 if (ok) {
2477 if (moved_data) {
2478 atp->bytes_xfered += moved_data;
2479 ccb->csio.resid = atp->orig_datalen - atp->bytes_xfered - atp->bytes_in_transit;
2480 }
2481 if (sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE)) {
2482 ccb->ccb_h.status |= CAM_SENT_SENSE;
2483 }
2484 ccb->ccb_h.status |= CAM_REQ_CMP;
2485 } else {
2486 notify_cam = 1;
2487 if (failure == CAM_UNREC_HBA_ERROR)
2488 ccb->ccb_h.status |= CAM_UNREC_HBA_ERROR;
2489 else
2490 ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
2491 }
2492 atp->state = ATPD_STATE_PDON;
2493 rls_lun_statep(isp, tptr);
2494
2495 /*
2496 * We never *not* notify CAM when there has been any error (ok == 0),
2497 * so we never need to do an ATIO putback if we're not notifying CAM.
2498 */
2499 isp_prt(isp, ISP_LOGTDEBUG0, "%s CTIO[0x%x] done (ok=%d nc=%d nowsendstatus=%d ccb ss=%d)",
2500 (sentstatus)? " FINAL " : "MIDTERM ", atp->tag, ok, notify_cam, atp->sendst, (ccb->ccb_h.flags & CAM_SEND_STATUS) != 0);
2501 if (notify_cam == 0) {
2502 if (atp->sendst) {
2503 isp_target_start_ctio(isp, ccb, FROM_CTIO_DONE);
2504 }
2505 return;
2506 }
2507
2508 /*
2509 * We're telling CAM we're done with this CTIO transaction.
2510 *
2511 * 24XX cards never need an ATIO put back.
2512 *
2513 * Other cards need one put back only on error.
2514 * In the latter case, a timeout will re-fire
2515 * and try again in case we didn't have
2516 * queue resources to do so at first. In any case,
2517 * once the putback is done we do the completion
2518 * call.
2519 */
2520 if (ok || IS_24XX(isp)) {
2521 isp_complete_ctio(ccb);
2522 } else {
2523 isp_target_putback_atio(ccb);
2524 }
2525 }
2526
2527 static void
isp_handle_platform_notify_fc(ispsoftc_t * isp,in_fcentry_t * inp)2528 isp_handle_platform_notify_fc(ispsoftc_t *isp, in_fcentry_t *inp)
2529 {
2530 int needack = 1;
2531 switch (inp->in_status) {
2532 case IN_PORT_LOGOUT:
2533 /*
2534 * XXX: Need to delete this initiator's WWN from the database
2535 * XXX: Need to send this LOGOUT upstream
2536 */
2537 isp_prt(isp, ISP_LOGWARN, "port logout of S_ID 0x%x", inp->in_iid);
2538 break;
2539 case IN_PORT_CHANGED:
2540 isp_prt(isp, ISP_LOGWARN, "port changed for S_ID 0x%x", inp->in_iid);
2541 break;
2542 case IN_GLOBAL_LOGO:
2543 isp_del_all_wwn_entries(isp, 0);
2544 isp_prt(isp, ISP_LOGINFO, "all ports logged out");
2545 break;
2546 case IN_ABORT_TASK:
2547 {
2548 tstate_t *tptr;
2549 uint16_t nphdl, lun;
2550 uint32_t sid;
2551 uint64_t wwn;
2552 atio_private_data_t *atp;
2553 fcportdb_t *lp;
2554 struct ccb_immediate_notify *inot = NULL;
2555
2556 if (ISP_CAP_SCCFW(isp)) {
2557 lun = inp->in_scclun;
2558 #if __FreeBSD_version < 1000700
2559 lun &= 0x3fff;
2560 #endif
2561 } else {
2562 lun = inp->in_lun;
2563 }
2564 if (ISP_CAP_2KLOGIN(isp)) {
2565 nphdl = ((in_fcentry_e_t *)inp)->in_iid;
2566 } else {
2567 nphdl = inp->in_iid;
2568 }
2569 if (isp_find_pdb_by_handle(isp, 0, nphdl, &lp)) {
2570 wwn = lp->port_wwn;
2571 sid = lp->portid;
2572 } else {
2573 wwn = INI_ANY;
2574 sid = PORT_ANY;
2575 }
2576 tptr = get_lun_statep(isp, 0, lun);
2577 if (tptr == NULL) {
2578 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD);
2579 if (tptr == NULL) {
2580 isp_prt(isp, ISP_LOGWARN, "ABORT TASK for lun %x, but no tstate", lun);
2581 return;
2582 }
2583 }
2584 atp = isp_find_atpd(isp, tptr, inp->in_seqid);
2585
2586 if (atp) {
2587 inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots);
2588 isp_prt(isp, ISP_LOGTDEBUG0, "ABORT TASK RX_ID %x WWN 0x%016llx state %d", inp->in_seqid, (unsigned long long) wwn, atp->state);
2589 if (inot) {
2590 tptr->inot_count--;
2591 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle);
2592 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, inot->ccb_h.path, "%s: Take FREE INOT count now %d\n", __func__, tptr->inot_count);
2593 } else {
2594 ISP_PATH_PRT(isp, ISP_LOGWARN, tptr->owner, "out of INOT structures\n");
2595 }
2596 } else {
2597 ISP_PATH_PRT(isp, ISP_LOGWARN, tptr->owner, "abort task RX_ID %x from wwn 0x%016llx, state unknown\n", inp->in_seqid, wwn);
2598 }
2599 if (inot) {
2600 isp_notify_t tmp, *nt = &tmp;
2601 ISP_MEMZERO(nt, sizeof (isp_notify_t));
2602 nt->nt_hba = isp;
2603 nt->nt_tgt = FCPARAM(isp, 0)->isp_wwpn;
2604 nt->nt_wwn = wwn;
2605 nt->nt_nphdl = nphdl;
2606 nt->nt_sid = sid;
2607 nt->nt_did = PORT_ANY;
2608 nt->nt_lun = lun;
2609 nt->nt_need_ack = 1;
2610 nt->nt_channel = 0;
2611 nt->nt_ncode = NT_ABORT_TASK;
2612 nt->nt_lreserved = inot;
2613 isp_handle_platform_target_tmf(isp, nt);
2614 needack = 0;
2615 }
2616 rls_lun_statep(isp, tptr);
2617 break;
2618 }
2619 default:
2620 break;
2621 }
2622 if (needack) {
2623 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inp);
2624 }
2625 }
2626
2627 static void
isp_handle_platform_notify_24xx(ispsoftc_t * isp,in_fcentry_24xx_t * inot)2628 isp_handle_platform_notify_24xx(ispsoftc_t *isp, in_fcentry_24xx_t *inot)
2629 {
2630 uint16_t nphdl;
2631 uint16_t prli_options = 0;
2632 uint32_t portid;
2633 fcportdb_t *lp;
2634 char *msg = NULL;
2635 uint8_t *ptr = (uint8_t *)inot;
2636 uint64_t wwpn = INI_NONE, wwnn = INI_NONE;
2637
2638 nphdl = inot->in_nphdl;
2639 if (nphdl != NIL_HANDLE) {
2640 portid = inot->in_portid_hi << 16 | inot->in_portid_lo;
2641 } else {
2642 portid = PORT_ANY;
2643 }
2644
2645 switch (inot->in_status) {
2646 case IN24XX_ELS_RCVD:
2647 {
2648 char buf[16];
2649 int chan = ISP_GET_VPIDX(isp, inot->in_vpidx);
2650
2651 /*
2652 * Note that we're just getting notification that an ELS was received
2653 * (possibly with some associated information sent upstream). This is
2654 * *not* the same as being given the ELS frame to accept or reject.
2655 */
2656 switch (inot->in_status_subcode) {
2657 case LOGO:
2658 msg = "LOGO";
2659 wwpn = be64dec(&ptr[IN24XX_PLOGI_WWPN_OFF]);
2660 isp_del_wwn_entry(isp, chan, wwpn, nphdl, portid);
2661 break;
2662 case PRLO:
2663 msg = "PRLO";
2664 break;
2665 case PLOGI:
2666 msg = "PLOGI";
2667 wwnn = be64dec(&ptr[IN24XX_PLOGI_WWNN_OFF]);
2668 wwpn = be64dec(&ptr[IN24XX_PLOGI_WWPN_OFF]);
2669 isp_add_wwn_entry(isp, chan, wwpn, wwnn,
2670 nphdl, portid, prli_options);
2671 break;
2672 case PRLI:
2673 msg = "PRLI";
2674 prli_options = inot->in_prli_options;
2675 if (inot->in_flags & IN24XX_FLAG_PN_NN_VALID)
2676 wwnn = be64dec(&ptr[IN24XX_PRLI_WWNN_OFF]);
2677 wwpn = be64dec(&ptr[IN24XX_PRLI_WWPN_OFF]);
2678 isp_add_wwn_entry(isp, chan, wwpn, wwnn,
2679 nphdl, portid, prli_options);
2680 break;
2681 case PDISC:
2682 msg = "PDISC";
2683 break;
2684 case ADISC:
2685 msg = "ADISC";
2686 break;
2687 default:
2688 ISP_SNPRINTF(buf, sizeof (buf), "ELS 0x%x", inot->in_status_subcode);
2689 msg = buf;
2690 break;
2691 }
2692 if (inot->in_flags & IN24XX_FLAG_PUREX_IOCB) {
2693 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);
2694 break;
2695 }
2696 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,
2697 inot->in_rxid, inot->in_oxid);
2698 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2699 break;
2700 }
2701
2702 case IN24XX_PORT_LOGOUT:
2703 msg = "PORT LOGOUT";
2704 if (isp_find_pdb_by_handle(isp, ISP_GET_VPIDX(isp, inot->in_vpidx), nphdl, &lp)) {
2705 isp_del_wwn_entry(isp, ISP_GET_VPIDX(isp, inot->in_vpidx), lp->port_wwn, nphdl, lp->portid);
2706 }
2707 /* FALLTHROUGH */
2708 case IN24XX_PORT_CHANGED:
2709 if (msg == NULL)
2710 msg = "PORT CHANGED";
2711 /* FALLTHROUGH */
2712 case IN24XX_LIP_RESET:
2713 if (msg == NULL)
2714 msg = "LIP RESET";
2715 isp_prt(isp, ISP_LOGINFO, "Chan %d %s (sub-status 0x%x) for N-port handle 0x%x", ISP_GET_VPIDX(isp, inot->in_vpidx), msg, inot->in_status_subcode, nphdl);
2716
2717 /*
2718 * All subcodes here are irrelevant. What is relevant
2719 * is that we need to terminate all active commands from
2720 * this initiator (known by N-port handle).
2721 */
2722 /* XXX IMPLEMENT XXX */
2723 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2724 break;
2725
2726 case IN24XX_SRR_RCVD:
2727 #ifdef ISP_TARGET_MODE
2728 isp_handle_srr_notify(isp, inot);
2729 break;
2730 #else
2731 if (msg == NULL)
2732 msg = "SRR RCVD";
2733 /* FALLTHROUGH */
2734 #endif
2735 case IN24XX_LINK_RESET:
2736 if (msg == NULL)
2737 msg = "LINK RESET";
2738 case IN24XX_LINK_FAILED:
2739 if (msg == NULL)
2740 msg = "LINK FAILED";
2741 default:
2742 isp_prt(isp, ISP_LOGWARN, "Chan %d %s", ISP_GET_VPIDX(isp, inot->in_vpidx), msg);
2743 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, inot);
2744 break;
2745 }
2746 }
2747
2748 static int
isp_handle_platform_target_notify_ack(ispsoftc_t * isp,isp_notify_t * mp)2749 isp_handle_platform_target_notify_ack(ispsoftc_t *isp, isp_notify_t *mp)
2750 {
2751
2752 if (isp->isp_state != ISP_RUNSTATE) {
2753 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) acked- h/w not ready (dropping)", mp->nt_ncode, mp->nt_lreserved != NULL);
2754 return (0);
2755 }
2756
2757 /*
2758 * This case is for a Task Management Function, which shows up as an ATIO7 entry.
2759 */
2760 if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ATIO) {
2761 ct7_entry_t local, *cto = &local;
2762 at7_entry_t *aep = (at7_entry_t *)mp->nt_lreserved;
2763 fcportdb_t *lp;
2764 uint32_t sid;
2765 uint16_t nphdl;
2766
2767 sid = (aep->at_hdr.s_id[0] << 16) | (aep->at_hdr.s_id[1] << 8) | aep->at_hdr.s_id[2];
2768 if (isp_find_pdb_by_portid(isp, mp->nt_channel, sid, &lp)) {
2769 nphdl = lp->handle;
2770 } else {
2771 nphdl = NIL_HANDLE;
2772 }
2773 ISP_MEMZERO(&local, sizeof (local));
2774 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
2775 cto->ct_header.rqs_entry_count = 1;
2776 cto->ct_nphdl = nphdl;
2777 cto->ct_rxid = aep->at_rxid;
2778 cto->ct_vpidx = mp->nt_channel;
2779 cto->ct_iid_lo = sid;
2780 cto->ct_iid_hi = sid >> 16;
2781 cto->ct_oxid = aep->at_hdr.ox_id;
2782 cto->ct_flags = CT7_SENDSTATUS|CT7_NOACK|CT7_NO_DATA|CT7_FLAG_MODE1;
2783 cto->ct_flags |= (aep->at_ta_len >> 12) << CT7_TASK_ATTR_SHIFT;
2784 return (isp_target_put_entry(isp, &local));
2785 }
2786
2787 /*
2788 * This case is for a responding to an ABTS frame
2789 */
2790 if (IS_24XX(isp) && mp->nt_lreserved && ((isphdr_t *)mp->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) {
2791
2792 /*
2793 * Overload nt_need_ack here to mark whether we've terminated the associated command.
2794 */
2795 if (mp->nt_need_ack) {
2796 uint8_t storage[QENTRY_LEN];
2797 ct7_entry_t *cto = (ct7_entry_t *) storage;
2798 abts_t *abts = (abts_t *)mp->nt_lreserved;
2799
2800 ISP_MEMZERO(cto, sizeof (ct7_entry_t));
2801 isp_prt(isp, ISP_LOGTDEBUG0, "%s: [%x] terminating after ABTS received", __func__, abts->abts_rxid_task);
2802 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO7;
2803 cto->ct_header.rqs_entry_count = 1;
2804 cto->ct_nphdl = mp->nt_nphdl;
2805 cto->ct_rxid = abts->abts_rxid_task;
2806 cto->ct_iid_lo = mp->nt_sid;
2807 cto->ct_iid_hi = mp->nt_sid >> 16;
2808 cto->ct_oxid = abts->abts_ox_id;
2809 cto->ct_vpidx = mp->nt_channel;
2810 cto->ct_flags = CT7_NOACK|CT7_TERMINATE;
2811 if (isp_target_put_entry(isp, cto)) {
2812 return (ENOMEM);
2813 }
2814 mp->nt_need_ack = 0;
2815 }
2816 if (isp_acknak_abts(isp, mp->nt_lreserved, 0) == ENOMEM) {
2817 return (ENOMEM);
2818 } else {
2819 return (0);
2820 }
2821 }
2822
2823 /*
2824 * Handle logout cases here
2825 */
2826 if (mp->nt_ncode == NT_GLOBAL_LOGOUT) {
2827 isp_del_all_wwn_entries(isp, mp->nt_channel);
2828 }
2829
2830 if (mp->nt_ncode == NT_LOGOUT) {
2831 if (!IS_2100(isp) && IS_FC(isp)) {
2832 isp_del_wwn_entries(isp, mp);
2833 }
2834 }
2835
2836 /*
2837 * General purpose acknowledgement
2838 */
2839 if (mp->nt_need_ack) {
2840 isp_prt(isp, ISP_LOGTINFO, "Notify Code 0x%x (qevalid=%d) being acked", mp->nt_ncode, mp->nt_lreserved != NULL);
2841 /*
2842 * Don't need to use the guaranteed send because the caller can retry
2843 */
2844 return (isp_notify_ack(isp, mp->nt_lreserved));
2845 }
2846 return (0);
2847 }
2848
2849 /*
2850 * Handle task management functions.
2851 *
2852 * We show up here with a notify structure filled out.
2853 *
2854 * The nt_lreserved tag points to the original queue entry
2855 */
2856 static void
isp_handle_platform_target_tmf(ispsoftc_t * isp,isp_notify_t * notify)2857 isp_handle_platform_target_tmf(ispsoftc_t *isp, isp_notify_t *notify)
2858 {
2859 tstate_t *tptr;
2860 fcportdb_t *lp;
2861 struct ccb_immediate_notify *inot;
2862 inot_private_data_t *ntp = NULL;
2863 lun_id_t lun;
2864
2865 isp_prt(isp, ISP_LOGTDEBUG0, "%s: code 0x%x sid 0x%x tagval 0x%016llx chan %d lun 0x%x", __func__, notify->nt_ncode,
2866 notify->nt_sid, (unsigned long long) notify->nt_tagval, notify->nt_channel, notify->nt_lun);
2867 /*
2868 * NB: This assignment is necessary because of tricky type conversion.
2869 * XXX: This is tricky and I need to check this. If the lun isn't known
2870 * XXX: for the task management function, it does not of necessity follow
2871 * XXX: that it should go up stream to the wildcard listener.
2872 */
2873 if (notify->nt_lun == LUN_ANY) {
2874 lun = CAM_LUN_WILDCARD;
2875 } else {
2876 lun = notify->nt_lun;
2877 }
2878 tptr = get_lun_statep(isp, notify->nt_channel, lun);
2879 if (tptr == NULL) {
2880 tptr = get_lun_statep(isp, notify->nt_channel, CAM_LUN_WILDCARD);
2881 if (tptr == NULL) {
2882 isp_prt(isp, ISP_LOGWARN, "%s: no state pointer found for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun);
2883 goto bad;
2884 }
2885 }
2886 inot = (struct ccb_immediate_notify *) SLIST_FIRST(&tptr->inots);
2887 if (inot == NULL) {
2888 isp_prt(isp, ISP_LOGWARN, "%s: out of immediate notify structures for chan %d lun %#jx", __func__, notify->nt_channel, (uintmax_t)lun);
2889 goto bad;
2890 }
2891
2892 if (isp_find_pdb_by_portid(isp, notify->nt_channel, notify->nt_sid, &lp) == 0 &&
2893 isp_find_pdb_by_handle(isp, notify->nt_channel, notify->nt_nphdl, &lp) == 0) {
2894 inot->initiator_id = CAM_TARGET_WILDCARD;
2895 } else {
2896 inot->initiator_id = FC_PORTDB_TGT(isp, notify->nt_channel, lp);
2897 }
2898 inot->seq_id = notify->nt_tagval;
2899 inot->tag_id = notify->nt_tagval >> 32;
2900
2901 switch (notify->nt_ncode) {
2902 case NT_ABORT_TASK:
2903 isp_target_mark_aborted_early(isp, tptr, inot->tag_id);
2904 inot->arg = MSG_ABORT_TASK;
2905 break;
2906 case NT_ABORT_TASK_SET:
2907 isp_target_mark_aborted_early(isp, tptr, TAG_ANY);
2908 inot->arg = MSG_ABORT_TASK_SET;
2909 break;
2910 case NT_CLEAR_ACA:
2911 inot->arg = MSG_CLEAR_ACA;
2912 break;
2913 case NT_CLEAR_TASK_SET:
2914 inot->arg = MSG_CLEAR_TASK_SET;
2915 break;
2916 case NT_LUN_RESET:
2917 inot->arg = MSG_LOGICAL_UNIT_RESET;
2918 break;
2919 case NT_TARGET_RESET:
2920 inot->arg = MSG_TARGET_RESET;
2921 break;
2922 case NT_QUERY_TASK_SET:
2923 inot->arg = MSG_QUERY_TASK_SET;
2924 break;
2925 case NT_QUERY_ASYNC_EVENT:
2926 inot->arg = MSG_QUERY_ASYNC_EVENT;
2927 break;
2928 default:
2929 isp_prt(isp, ISP_LOGWARN, "%s: unknown TMF code 0x%x for chan %d lun %#jx", __func__, notify->nt_ncode, notify->nt_channel, (uintmax_t)lun);
2930 goto bad;
2931 }
2932
2933 ntp = isp_get_ntpd(isp, tptr);
2934 if (ntp == NULL) {
2935 isp_prt(isp, ISP_LOGWARN, "%s: out of inotify private structures", __func__);
2936 goto bad;
2937 }
2938 ISP_MEMCPY(&ntp->rd.nt, notify, sizeof (isp_notify_t));
2939 if (notify->nt_lreserved) {
2940 ISP_MEMCPY(&ntp->rd.data, notify->nt_lreserved, QENTRY_LEN);
2941 ntp->rd.nt.nt_lreserved = &ntp->rd.data;
2942 }
2943 ntp->rd.seq_id = notify->nt_tagval;
2944 ntp->rd.tag_id = notify->nt_tagval >> 32;
2945
2946 tptr->inot_count--;
2947 SLIST_REMOVE_HEAD(&tptr->inots, sim_links.sle);
2948 rls_lun_statep(isp, tptr);
2949 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, inot->ccb_h.path, "%s: Take FREE INOT count now %d\n", __func__, tptr->inot_count);
2950 inot->ccb_h.status = CAM_MESSAGE_RECV;
2951 xpt_done((union ccb *)inot);
2952 return;
2953 bad:
2954 if (tptr) {
2955 rls_lun_statep(isp, tptr);
2956 }
2957 if (notify->nt_need_ack && notify->nt_lreserved) {
2958 if (((isphdr_t *)notify->nt_lreserved)->rqs_entry_type == RQSTYPE_ABTS_RCVD) {
2959 if (isp_acknak_abts(isp, notify->nt_lreserved, ENOMEM)) {
2960 isp_prt(isp, ISP_LOGWARN, "you lose- unable to send an ACKNAK");
2961 }
2962 } else {
2963 isp_async(isp, ISPASYNC_TARGET_NOTIFY_ACK, notify->nt_lreserved);
2964 }
2965 }
2966 }
2967
2968 /*
2969 * Find the associated private data and mark it as dead so
2970 * we don't try to work on it any further.
2971 */
2972 static void
isp_target_mark_aborted(ispsoftc_t * isp,union ccb * ccb)2973 isp_target_mark_aborted(ispsoftc_t *isp, union ccb *ccb)
2974 {
2975 tstate_t *tptr;
2976 atio_private_data_t *atp;
2977 union ccb *accb = ccb->cab.abort_ccb;
2978
2979 tptr = get_lun_statep(isp, XS_CHANNEL(accb), XS_LUN(accb));
2980 if (tptr == NULL) {
2981 tptr = get_lun_statep(isp, XS_CHANNEL(accb), CAM_LUN_WILDCARD);
2982 if (tptr == NULL) {
2983 ccb->ccb_h.status = CAM_REQ_INVALID;
2984 return;
2985 }
2986 }
2987
2988 atp = isp_find_atpd(isp, tptr, accb->atio.tag_id);
2989 if (atp == NULL) {
2990 ccb->ccb_h.status = CAM_REQ_INVALID;
2991 } else {
2992 atp->dead = 1;
2993 ccb->ccb_h.status = CAM_REQ_CMP;
2994 }
2995 rls_lun_statep(isp, tptr);
2996 }
2997
2998 static void
isp_target_mark_aborted_early(ispsoftc_t * isp,tstate_t * tptr,uint32_t tag_id)2999 isp_target_mark_aborted_early(ispsoftc_t *isp, tstate_t *tptr, uint32_t tag_id)
3000 {
3001 atio_private_data_t *atp;
3002 inot_private_data_t *restart_queue = tptr->restart_queue;
3003
3004 /*
3005 * First, clean any commands pending restart
3006 */
3007 tptr->restart_queue = NULL;
3008 while (restart_queue) {
3009 uint32_t this_tag_id;
3010 inot_private_data_t *ntp = restart_queue;
3011
3012 restart_queue = ntp->rd.nt.nt_hba;
3013
3014 if (IS_24XX(isp)) {
3015 this_tag_id = ((at7_entry_t *)ntp->rd.data)->at_rxid;
3016 } else {
3017 this_tag_id = ((at2_entry_t *)ntp->rd.data)->at_rxid;
3018 }
3019 if ((uint64_t)tag_id == TAG_ANY || tag_id == this_tag_id) {
3020 isp_put_ntpd(isp, tptr, ntp);
3021 } else {
3022 ntp->rd.nt.nt_hba = tptr->restart_queue;
3023 tptr->restart_queue = ntp;
3024 }
3025 }
3026
3027 /*
3028 * Now mark other ones dead as well.
3029 */
3030 for (atp = tptr->atpool; atp < &tptr->atpool[ATPDPSIZE]; atp++) {
3031 if ((uint64_t)tag_id == TAG_ANY || atp->tag == tag_id) {
3032 atp->dead = 1;
3033 }
3034 }
3035 }
3036 #endif
3037
3038 static void
isp_cam_async(void * cbarg,uint32_t code,struct cam_path * path,void * arg)3039 isp_cam_async(void *cbarg, uint32_t code, struct cam_path *path, void *arg)
3040 {
3041 struct cam_sim *sim;
3042 int bus, tgt;
3043 ispsoftc_t *isp;
3044
3045 sim = (struct cam_sim *)cbarg;
3046 isp = (ispsoftc_t *) cam_sim_softc(sim);
3047 bus = cam_sim_bus(sim);
3048 tgt = xpt_path_target_id(path);
3049
3050 switch (code) {
3051 case AC_LOST_DEVICE:
3052 if (IS_SCSI(isp)) {
3053 uint16_t oflags, nflags;
3054 sdparam *sdp = SDPARAM(isp, bus);
3055
3056 if (tgt >= 0) {
3057 nflags = sdp->isp_devparam[tgt].nvrm_flags;
3058 nflags &= DPARM_SAFE_DFLT;
3059 if (isp->isp_loaded_fw) {
3060 nflags |= DPARM_NARROW | DPARM_ASYNC;
3061 }
3062 oflags = sdp->isp_devparam[tgt].goal_flags;
3063 sdp->isp_devparam[tgt].goal_flags = nflags;
3064 sdp->isp_devparam[tgt].dev_update = 1;
3065 sdp->update = 1;
3066 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus);
3067 sdp->isp_devparam[tgt].goal_flags = oflags;
3068 }
3069 }
3070 break;
3071 default:
3072 isp_prt(isp, ISP_LOGWARN, "isp_cam_async: Code 0x%x", code);
3073 break;
3074 }
3075 }
3076
3077 static void
isp_poll(struct cam_sim * sim)3078 isp_poll(struct cam_sim *sim)
3079 {
3080 ispsoftc_t *isp = cam_sim_softc(sim);
3081 uint16_t isr, sema, info;
3082
3083 if (ISP_READ_ISR(isp, &isr, &sema, &info))
3084 isp_intr(isp, isr, sema, info);
3085 }
3086
3087
3088 static void
isp_watchdog(void * arg)3089 isp_watchdog(void *arg)
3090 {
3091 struct ccb_scsiio *xs = arg;
3092 ispsoftc_t *isp;
3093 uint32_t ohandle = ISP_HANDLE_FREE, handle;
3094
3095 isp = XS_ISP(xs);
3096
3097 handle = isp_find_handle(isp, xs);
3098
3099 /*
3100 * Hand crank the interrupt code just to be sure the command isn't stuck somewhere.
3101 */
3102 if (handle != ISP_HANDLE_FREE) {
3103 uint16_t isr, sema, info;
3104 if (ISP_READ_ISR(isp, &isr, &sema, &info) != 0)
3105 isp_intr(isp, isr, sema, info);
3106 ohandle = handle;
3107 handle = isp_find_handle(isp, xs);
3108 }
3109 if (handle != ISP_HANDLE_FREE) {
3110 /*
3111 * Try and make sure the command is really dead before
3112 * we release the handle (and DMA resources) for reuse.
3113 *
3114 * If we are successful in aborting the command then
3115 * we're done here because we'll get the command returned
3116 * back separately.
3117 */
3118 if (isp_control(isp, ISPCTL_ABORT_CMD, xs) == 0) {
3119 return;
3120 }
3121
3122 /*
3123 * Note that after calling the above, the command may in
3124 * fact have been completed.
3125 */
3126 xs = isp_find_xs(isp, handle);
3127
3128 /*
3129 * If the command no longer exists, then we won't
3130 * be able to find the xs again with this handle.
3131 */
3132 if (xs == NULL) {
3133 return;
3134 }
3135
3136 /*
3137 * After this point, the command is really dead.
3138 */
3139 if (XS_XFRLEN(xs)) {
3140 ISP_DMAFREE(isp, xs, handle);
3141 }
3142 isp_destroy_handle(isp, handle);
3143 isp_prt(isp, ISP_LOGERR, "%s: timeout for handle 0x%x", __func__, handle);
3144 xs->ccb_h.status &= ~CAM_STATUS_MASK;
3145 xs->ccb_h.status |= CAM_CMD_TIMEOUT;
3146 isp_prt_endcmd(isp, xs);
3147 isp_done(xs);
3148 } else {
3149 if (ohandle != ISP_HANDLE_FREE) {
3150 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle 0x%x, recovered during interrupt", __func__, ohandle);
3151 } else {
3152 isp_prt(isp, ISP_LOGWARN, "%s: timeout for handle already free", __func__);
3153 }
3154 }
3155 }
3156
3157 static void
isp_make_here(ispsoftc_t * isp,fcportdb_t * fcp,int chan,int tgt)3158 isp_make_here(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt)
3159 {
3160 union ccb *ccb;
3161 struct isp_fc *fc = ISP_FC_PC(isp, chan);
3162
3163 /*
3164 * Allocate a CCB, create a wildcard path for this target and schedule a rescan.
3165 */
3166 ccb = xpt_alloc_ccb_nowait();
3167 if (ccb == NULL) {
3168 isp_prt(isp, ISP_LOGWARN, "Chan %d unable to alloc CCB for rescan", chan);
3169 return;
3170 }
3171 if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(fc->sim),
3172 tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
3173 isp_prt(isp, ISP_LOGWARN, "unable to create path for rescan");
3174 xpt_free_ccb(ccb);
3175 return;
3176 }
3177 xpt_rescan(ccb);
3178 }
3179
3180 static void
isp_make_gone(ispsoftc_t * isp,fcportdb_t * fcp,int chan,int tgt)3181 isp_make_gone(ispsoftc_t *isp, fcportdb_t *fcp, int chan, int tgt)
3182 {
3183 struct cam_path *tp;
3184 struct isp_fc *fc = ISP_FC_PC(isp, chan);
3185
3186 if (xpt_create_path(&tp, NULL, cam_sim_path(fc->sim), tgt, CAM_LUN_WILDCARD) == CAM_REQ_CMP) {
3187 xpt_async(AC_LOST_DEVICE, tp, NULL);
3188 xpt_free_path(tp);
3189 }
3190 }
3191
3192 /*
3193 * Gone Device Timer Function- when we have decided that a device has gone
3194 * away, we wait a specific period of time prior to telling the OS it has
3195 * gone away.
3196 *
3197 * This timer function fires once a second and then scans the port database
3198 * for devices that are marked dead but still have a virtual target assigned.
3199 * We decrement a counter for that port database entry, and when it hits zero,
3200 * we tell the OS the device has gone away.
3201 */
3202 static void
isp_gdt(void * arg)3203 isp_gdt(void *arg)
3204 {
3205 struct isp_fc *fc = arg;
3206 taskqueue_enqueue(taskqueue_thread, &fc->gtask);
3207 }
3208
3209 static void
isp_gdt_task(void * arg,int pending)3210 isp_gdt_task(void *arg, int pending)
3211 {
3212 struct isp_fc *fc = arg;
3213 ispsoftc_t *isp = fc->isp;
3214 int chan = fc - isp->isp_osinfo.pc.fc;
3215 fcportdb_t *lp;
3216 struct ac_contract ac;
3217 struct ac_device_changed *adc;
3218 int dbidx, more_to_do = 0;
3219
3220 ISP_LOCK(isp);
3221 isp_prt(isp, ISP_LOGDEBUG0, "Chan %d GDT timer expired", chan);
3222 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) {
3223 lp = &FCPARAM(isp, chan)->portdb[dbidx];
3224
3225 if (lp->state != FC_PORTDB_STATE_ZOMBIE) {
3226 continue;
3227 }
3228 if (lp->gone_timer != 0) {
3229 lp->gone_timer -= 1;
3230 more_to_do++;
3231 continue;
3232 }
3233 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Gone Device Timeout");
3234 if (lp->is_target) {
3235 lp->is_target = 0;
3236 isp_make_gone(isp, lp, chan, dbidx);
3237 }
3238 if (lp->is_initiator) {
3239 lp->is_initiator = 0;
3240 ac.contract_number = AC_CONTRACT_DEV_CHG;
3241 adc = (struct ac_device_changed *) ac.contract_data;
3242 adc->wwpn = lp->port_wwn;
3243 adc->port = lp->portid;
3244 adc->target = dbidx;
3245 adc->arrived = 0;
3246 xpt_async(AC_CONTRACT, fc->path, &ac);
3247 }
3248 lp->state = FC_PORTDB_STATE_NIL;
3249 }
3250 if (fc->ready) {
3251 if (more_to_do) {
3252 callout_reset(&fc->gdt, hz, isp_gdt, fc);
3253 } else {
3254 callout_deactivate(&fc->gdt);
3255 isp_prt(isp, ISP_LOG_SANCFG, "Chan %d Stopping Gone Device Timer @ %lu", chan, (unsigned long) time_uptime);
3256 }
3257 }
3258 ISP_UNLOCK(isp);
3259 }
3260
3261 /*
3262 * When loop goes down we remember the time and freeze CAM command queue.
3263 * During some time period we are trying to reprobe the loop. But if we
3264 * fail, we tell the OS that devices have gone away and drop the freeze.
3265 *
3266 * We don't clear the devices out of our port database because, when loop
3267 * come back up, we have to do some actual cleanup with the chip at that
3268 * point (implicit PLOGO, e.g., to get the chip's port database state right).
3269 */
3270 static void
isp_loop_changed(ispsoftc_t * isp,int chan)3271 isp_loop_changed(ispsoftc_t *isp, int chan)
3272 {
3273 fcparam *fcp = FCPARAM(isp, chan);
3274 struct isp_fc *fc = ISP_FC_PC(isp, chan);
3275
3276 if (fc->loop_down_time)
3277 return;
3278 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop changed", chan);
3279 if (fcp->role & ISP_ROLE_INITIATOR)
3280 isp_freeze_loopdown(isp, chan);
3281 fc->loop_dead = 0;
3282 fc->loop_down_time = time_uptime;
3283 wakeup(fc);
3284 }
3285
3286 static void
isp_loop_up(ispsoftc_t * isp,int chan)3287 isp_loop_up(ispsoftc_t *isp, int chan)
3288 {
3289 struct isp_fc *fc = ISP_FC_PC(isp, chan);
3290
3291 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is up", chan);
3292 fc->loop_seen_once = 1;
3293 fc->loop_dead = 0;
3294 fc->loop_down_time = 0;
3295 isp_unfreeze_loopdown(isp, chan);
3296 }
3297
3298 static void
isp_loop_dead(ispsoftc_t * isp,int chan)3299 isp_loop_dead(ispsoftc_t *isp, int chan)
3300 {
3301 fcparam *fcp = FCPARAM(isp, chan);
3302 struct isp_fc *fc = ISP_FC_PC(isp, chan);
3303 fcportdb_t *lp;
3304 struct ac_contract ac;
3305 struct ac_device_changed *adc;
3306 int dbidx, i;
3307
3308 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0, "Chan %d Loop is dead", chan);
3309
3310 /*
3311 * Notify to the OS all targets who we now consider have departed.
3312 */
3313 for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) {
3314 lp = &fcp->portdb[dbidx];
3315
3316 if (lp->state == FC_PORTDB_STATE_NIL)
3317 continue;
3318
3319 /*
3320 * XXX: CLEAN UP AND COMPLETE ANY PENDING COMMANDS FIRST!
3321 */
3322 for (i = 0; i < isp->isp_maxcmds; i++) {
3323 struct ccb_scsiio *xs;
3324
3325 if (ISP_H2HT(isp->isp_xflist[i].handle) != ISP_HANDLE_INITIATOR) {
3326 continue;
3327 }
3328 if ((xs = isp->isp_xflist[i].cmd) == NULL) {
3329 continue;
3330 }
3331 if (dbidx != XS_TGT(xs)) {
3332 continue;
3333 }
3334 isp_prt(isp, ISP_LOGWARN, "command handle 0x%x for %d.%d.%jx orphaned by loop down timeout",
3335 isp->isp_xflist[i].handle, chan, XS_TGT(xs),
3336 (uintmax_t)XS_LUN(xs));
3337 }
3338
3339 isp_prt(isp, ISP_LOGCONFIG, prom3, chan, dbidx, lp->portid, "Loop Down Timeout");
3340 if (lp->is_target) {
3341 lp->is_target = 0;
3342 isp_make_gone(isp, lp, chan, dbidx);
3343 }
3344 if (lp->is_initiator) {
3345 lp->is_initiator = 0;
3346 ac.contract_number = AC_CONTRACT_DEV_CHG;
3347 adc = (struct ac_device_changed *) ac.contract_data;
3348 adc->wwpn = lp->port_wwn;
3349 adc->port = lp->portid;
3350 adc->target = dbidx;
3351 adc->arrived = 0;
3352 xpt_async(AC_CONTRACT, fc->path, &ac);
3353 }
3354 }
3355
3356 isp_unfreeze_loopdown(isp, chan);
3357 fc->loop_dead = 1;
3358 fc->loop_down_time = 0;
3359 }
3360
3361 static void
isp_kthread(void * arg)3362 isp_kthread(void *arg)
3363 {
3364 struct isp_fc *fc = arg;
3365 ispsoftc_t *isp = fc->isp;
3366 int chan = fc - isp->isp_osinfo.pc.fc;
3367 int slp = 0, d;
3368 int lb, lim;
3369
3370 mtx_lock(&isp->isp_osinfo.lock);
3371
3372 while (isp->isp_osinfo.is_exiting == 0) {
3373 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0,
3374 "Chan %d Checking FC state", chan);
3375 lb = isp_fc_runstate(isp, chan, 250000);
3376 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0,
3377 "Chan %d FC got to %s state", chan,
3378 isp_fc_loop_statename(lb));
3379
3380 /*
3381 * Our action is different based upon whether we're supporting
3382 * Initiator mode or not. If we are, we might freeze the simq
3383 * when loop is down and set all sorts of different delays to
3384 * check again.
3385 *
3386 * If not, we simply just wait for loop to come up.
3387 */
3388 if (lb == LOOP_READY || lb < 0) {
3389 slp = 0;
3390 } else {
3391 /*
3392 * If we've never seen loop up and we've waited longer
3393 * than quickboot time, or we've seen loop up but we've
3394 * waited longer than loop_down_limit, give up and go
3395 * to sleep until loop comes up.
3396 */
3397 if (fc->loop_seen_once == 0)
3398 lim = isp_quickboot_time;
3399 else
3400 lim = fc->loop_down_limit;
3401 d = time_uptime - fc->loop_down_time;
3402 if (d >= lim)
3403 slp = 0;
3404 else if (d < 10)
3405 slp = 1;
3406 else if (d < 30)
3407 slp = 5;
3408 else if (d < 60)
3409 slp = 10;
3410 else if (d < 120)
3411 slp = 20;
3412 else
3413 slp = 30;
3414 }
3415
3416 if (slp == 0) {
3417 if (lb == LOOP_READY)
3418 isp_loop_up(isp, chan);
3419 else
3420 isp_loop_dead(isp, chan);
3421 }
3422
3423 isp_prt(isp, ISP_LOG_SANCFG|ISP_LOGDEBUG0,
3424 "Chan %d sleep for %d seconds", chan, slp);
3425 msleep(fc, &isp->isp_osinfo.lock, PRIBIO, "ispf", slp * hz);
3426 }
3427 fc->num_threads -= 1;
3428 mtx_unlock(&isp->isp_osinfo.lock);
3429 kthread_exit();
3430 }
3431
3432 static void
isp_action(struct cam_sim * sim,union ccb * ccb)3433 isp_action(struct cam_sim *sim, union ccb *ccb)
3434 {
3435 int bus, tgt, ts, error;
3436 ispsoftc_t *isp;
3437 struct ccb_trans_settings *cts;
3438
3439 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("isp_action\n"));
3440
3441 isp = (ispsoftc_t *)cam_sim_softc(sim);
3442 mtx_assert(&isp->isp_lock, MA_OWNED);
3443 isp_prt(isp, ISP_LOGDEBUG2, "isp_action code %x", ccb->ccb_h.func_code);
3444 ISP_PCMD(ccb) = NULL;
3445
3446 switch (ccb->ccb_h.func_code) {
3447 case XPT_SCSI_IO: /* Execute the requested I/O operation */
3448 bus = XS_CHANNEL(ccb);
3449 /*
3450 * Do a couple of preliminary checks...
3451 */
3452 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) {
3453 if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) {
3454 ccb->ccb_h.status = CAM_REQ_INVALID;
3455 isp_done((struct ccb_scsiio *) ccb);
3456 break;
3457 }
3458 }
3459 ccb->csio.req_map = NULL;
3460 #ifdef DIAGNOSTIC
3461 if (ccb->ccb_h.target_id >= ISP_MAX_TARGETS(isp)) {
3462 xpt_print(ccb->ccb_h.path, "invalid target\n");
3463 ccb->ccb_h.status = CAM_PATH_INVALID;
3464 } else if (ISP_MAX_LUNS(isp) > 0 &&
3465 ccb->ccb_h.target_lun >= ISP_MAX_LUNS(isp)) {
3466 xpt_print(ccb->ccb_h.path, "invalid lun\n");
3467 ccb->ccb_h.status = CAM_PATH_INVALID;
3468 }
3469 if (ccb->ccb_h.status == CAM_PATH_INVALID) {
3470 xpt_done(ccb);
3471 break;
3472 }
3473 #endif
3474 ccb->csio.scsi_status = SCSI_STATUS_OK;
3475 if (isp_get_pcmd(isp, ccb)) {
3476 isp_prt(isp, ISP_LOGWARN, "out of PCMDs");
3477 cam_freeze_devq(ccb->ccb_h.path);
3478 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 250, 0);
3479 ccb->ccb_h.status = CAM_REQUEUE_REQ;
3480 xpt_done(ccb);
3481 break;
3482 }
3483 error = isp_start((XS_T *) ccb);
3484 switch (error) {
3485 case CMD_QUEUED:
3486 ccb->ccb_h.status |= CAM_SIM_QUEUED;
3487 if (ccb->ccb_h.timeout == CAM_TIME_INFINITY) {
3488 break;
3489 }
3490 ts = ccb->ccb_h.timeout;
3491 if (ts == CAM_TIME_DEFAULT) {
3492 ts = 60*1000;
3493 }
3494 ts = isp_mstohz(ts);
3495 callout_reset(&PISP_PCMD(ccb)->wdog, ts, isp_watchdog, ccb);
3496 break;
3497 case CMD_RQLATER:
3498 /*
3499 * We get this result if the loop isn't ready
3500 * or if the device in question has gone zombie.
3501 */
3502 if (ISP_FC_PC(isp, bus)->loop_dead) {
3503 isp_prt(isp, ISP_LOGDEBUG0,
3504 "%d.%jx loop is dead",
3505 XS_TGT(ccb), (uintmax_t)XS_LUN(ccb));
3506 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
3507 isp_done((struct ccb_scsiio *) ccb);
3508 break;
3509 }
3510 isp_prt(isp, ISP_LOGDEBUG0, "%d.%jx retry later",
3511 XS_TGT(ccb), (uintmax_t)XS_LUN(ccb));
3512 cam_freeze_devq(ccb->ccb_h.path);
3513 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0);
3514 ccb->ccb_h.status = CAM_REQUEUE_REQ;
3515 isp_free_pcmd(isp, ccb);
3516 xpt_done(ccb);
3517 break;
3518 case CMD_EAGAIN:
3519 isp_free_pcmd(isp, ccb);
3520 cam_freeze_devq(ccb->ccb_h.path);
3521 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 100, 0);
3522 ccb->ccb_h.status = CAM_REQUEUE_REQ;
3523 xpt_done(ccb);
3524 break;
3525 case CMD_COMPLETE:
3526 isp_done((struct ccb_scsiio *) ccb);
3527 break;
3528 default:
3529 isp_prt(isp, ISP_LOGERR, "What's this? 0x%x at %d in file %s", error, __LINE__, __FILE__);
3530 ccb->ccb_h.status = CAM_REQUEUE_REQ;
3531 isp_free_pcmd(isp, ccb);
3532 xpt_done(ccb);
3533 }
3534 break;
3535
3536 #ifdef ISP_TARGET_MODE
3537 case XPT_EN_LUN: /* Enable/Disable LUN as a target */
3538 if (ccb->cel.enable) {
3539 isp_enable_lun(isp, ccb);
3540 } else {
3541 isp_disable_lun(isp, ccb);
3542 }
3543 break;
3544 case XPT_IMMED_NOTIFY:
3545 case XPT_IMMEDIATE_NOTIFY: /* Add Immediate Notify Resource */
3546 case XPT_ACCEPT_TARGET_IO: /* Add Accept Target IO Resource */
3547 {
3548 tstate_t *tptr = get_lun_statep(isp, XS_CHANNEL(ccb), ccb->ccb_h.target_lun);
3549 if (tptr == NULL) {
3550 tptr = get_lun_statep(isp, XS_CHANNEL(ccb), CAM_LUN_WILDCARD);
3551 }
3552 if (tptr == NULL) {
3553 const char *str;
3554 uint32_t tag;
3555
3556 if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) {
3557 str = "XPT_IMMEDIATE_NOTIFY";
3558 tag = ccb->cin1.seq_id;
3559 } else {
3560 tag = ccb->atio.tag_id;
3561 str = "XPT_ACCEPT_TARGET_IO";
3562 }
3563 ISP_PATH_PRT(isp, ISP_LOGWARN, ccb->ccb_h.path, "%s: [0x%x] no state pointer found for %s\n", __func__, tag, str);
3564 dump_tstates(isp, XS_CHANNEL(ccb));
3565 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
3566 break;
3567 }
3568 ccb->ccb_h.spriv_field0 = 0;
3569 ccb->ccb_h.spriv_ptr1 = isp;
3570
3571 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) {
3572 if (ccb->atio.tag_id) {
3573 atio_private_data_t *atp = isp_find_atpd(isp, tptr, ccb->atio.tag_id);
3574 if (atp) {
3575 isp_put_atpd(isp, tptr, atp);
3576 }
3577 }
3578 tptr->atio_count++;
3579 SLIST_INSERT_HEAD(&tptr->atios, &ccb->ccb_h, sim_links.sle);
3580 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, "Put FREE ATIO (tag id 0x%x), count now %d\n",
3581 ccb->atio.tag_id, tptr->atio_count);
3582 ccb->atio.tag_id = 0;
3583 } else if (ccb->ccb_h.func_code == XPT_IMMEDIATE_NOTIFY) {
3584 if (ccb->cin1.tag_id) {
3585 inot_private_data_t *ntp = isp_find_ntpd(isp, tptr, ccb->cin1.tag_id, ccb->cin1.seq_id);
3586 if (ntp) {
3587 isp_put_ntpd(isp, tptr, ntp);
3588 }
3589 }
3590 tptr->inot_count++;
3591 SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle);
3592 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, "Put FREE INOT, (seq id 0x%x) count now %d\n",
3593 ccb->cin1.seq_id, tptr->inot_count);
3594 ccb->cin1.seq_id = 0;
3595 } else if (ccb->ccb_h.func_code == XPT_IMMED_NOTIFY) {
3596 tptr->inot_count++;
3597 SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h, sim_links.sle);
3598 ISP_PATH_PRT(isp, ISP_LOGTDEBUG2, ccb->ccb_h.path, "Put FREE INOT, (seq id 0x%x) count now %d\n",
3599 ccb->cin1.seq_id, tptr->inot_count);
3600 ccb->cin1.seq_id = 0;
3601 }
3602 rls_lun_statep(isp, tptr);
3603 ccb->ccb_h.status = CAM_REQ_INPROG;
3604 break;
3605 }
3606 case XPT_NOTIFY_ACK:
3607 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
3608 break;
3609 case XPT_NOTIFY_ACKNOWLEDGE: /* notify ack */
3610 {
3611 tstate_t *tptr;
3612 inot_private_data_t *ntp;
3613
3614 /*
3615 * XXX: Because we cannot guarantee that the path information in the notify acknowledge ccb
3616 * XXX: matches that for the immediate notify, we have to *search* for the notify structure
3617 */
3618 /*
3619 * All the relevant path information is in the associated immediate notify
3620 */
3621 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);
3622 ntp = get_ntp_from_tagdata(isp, ccb->cna2.tag_id, ccb->cna2.seq_id, &tptr);
3623 if (ntp == NULL) {
3624 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__,
3625 ccb->cna2.tag_id, ccb->cna2.seq_id);
3626 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
3627 xpt_done(ccb);
3628 break;
3629 }
3630 if (isp_handle_platform_target_notify_ack(isp, &ntp->rd.nt)) {
3631 rls_lun_statep(isp, tptr);
3632 cam_freeze_devq(ccb->ccb_h.path);
3633 cam_release_devq(ccb->ccb_h.path, RELSIM_RELEASE_AFTER_TIMEOUT, 0, 1000, 0);
3634 ccb->ccb_h.status &= ~CAM_STATUS_MASK;
3635 ccb->ccb_h.status |= CAM_REQUEUE_REQ;
3636 break;
3637 }
3638 isp_put_ntpd(isp, tptr, ntp);
3639 rls_lun_statep(isp, tptr);
3640 ccb->ccb_h.status = CAM_REQ_CMP;
3641 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);
3642 xpt_done(ccb);
3643 break;
3644 }
3645 case XPT_CONT_TARGET_IO:
3646 isp_target_start_ctio(isp, ccb, FROM_CAM);
3647 break;
3648 #endif
3649 case XPT_RESET_DEV: /* BDR the specified SCSI device */
3650 bus = cam_sim_bus(xpt_path_sim(ccb->ccb_h.path));
3651 tgt = ccb->ccb_h.target_id;
3652 tgt |= (bus << 16);
3653
3654 error = isp_control(isp, ISPCTL_RESET_DEV, bus, tgt);
3655 if (error) {
3656 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
3657 } else {
3658 /*
3659 * If we have a FC device, reset the Command
3660 * Reference Number, because the target will expect
3661 * that we re-start the CRN at 1 after a reset.
3662 */
3663 if (IS_FC(isp))
3664 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1);
3665
3666 ccb->ccb_h.status = CAM_REQ_CMP;
3667 }
3668 xpt_done(ccb);
3669 break;
3670 case XPT_ABORT: /* Abort the specified CCB */
3671 {
3672 union ccb *accb = ccb->cab.abort_ccb;
3673 switch (accb->ccb_h.func_code) {
3674 #ifdef ISP_TARGET_MODE
3675 case XPT_ACCEPT_TARGET_IO:
3676 isp_target_mark_aborted(isp, ccb);
3677 break;
3678 #endif
3679 case XPT_SCSI_IO:
3680 error = isp_control(isp, ISPCTL_ABORT_CMD, accb);
3681 if (error) {
3682 ccb->ccb_h.status = CAM_UA_ABORT;
3683 } else {
3684 ccb->ccb_h.status = CAM_REQ_CMP;
3685 }
3686 break;
3687 default:
3688 ccb->ccb_h.status = CAM_REQ_INVALID;
3689 break;
3690 }
3691 /*
3692 * This is not a queued CCB, so the caller expects it to be
3693 * complete when control is returned.
3694 */
3695 break;
3696 }
3697 #define IS_CURRENT_SETTINGS(c) (c->type == CTS_TYPE_CURRENT_SETTINGS)
3698 case XPT_SET_TRAN_SETTINGS: /* Nexus Settings */
3699 cts = &ccb->cts;
3700 if (!IS_CURRENT_SETTINGS(cts)) {
3701 ccb->ccb_h.status = CAM_REQ_INVALID;
3702 xpt_done(ccb);
3703 break;
3704 }
3705 tgt = cts->ccb_h.target_id;
3706 bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path));
3707 if (IS_SCSI(isp)) {
3708 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
3709 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi;
3710 sdparam *sdp = SDPARAM(isp, bus);
3711 uint16_t *dptr;
3712
3713 if (spi->valid == 0 && scsi->valid == 0) {
3714 ccb->ccb_h.status = CAM_REQ_CMP;
3715 xpt_done(ccb);
3716 break;
3717 }
3718
3719 /*
3720 * We always update (internally) from goal_flags
3721 * so any request to change settings just gets
3722 * vectored to that location.
3723 */
3724 dptr = &sdp->isp_devparam[tgt].goal_flags;
3725
3726 if ((spi->valid & CTS_SPI_VALID_DISC) != 0) {
3727 if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0)
3728 *dptr |= DPARM_DISC;
3729 else
3730 *dptr &= ~DPARM_DISC;
3731 }
3732
3733 if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) {
3734 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0)
3735 *dptr |= DPARM_TQING;
3736 else
3737 *dptr &= ~DPARM_TQING;
3738 }
3739
3740 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) {
3741 if (spi->bus_width == MSG_EXT_WDTR_BUS_16_BIT)
3742 *dptr |= DPARM_WIDE;
3743 else
3744 *dptr &= ~DPARM_WIDE;
3745 }
3746
3747 /*
3748 * XXX: FIX ME
3749 */
3750 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) && (spi->valid & CTS_SPI_VALID_SYNC_RATE) && (spi->sync_period && spi->sync_offset)) {
3751 *dptr |= DPARM_SYNC;
3752 /*
3753 * XXX: CHECK FOR LEGALITY
3754 */
3755 sdp->isp_devparam[tgt].goal_period = spi->sync_period;
3756 sdp->isp_devparam[tgt].goal_offset = spi->sync_offset;
3757 } else {
3758 *dptr &= ~DPARM_SYNC;
3759 }
3760 isp_prt(isp, ISP_LOGDEBUG0, "SET (%d.%d.%jx) to flags %x off %x per %x", bus, tgt, (uintmax_t)cts->ccb_h.target_lun, sdp->isp_devparam[tgt].goal_flags,
3761 sdp->isp_devparam[tgt].goal_offset, sdp->isp_devparam[tgt].goal_period);
3762 sdp->isp_devparam[tgt].dev_update = 1;
3763 sdp->update = 1;
3764 }
3765 ccb->ccb_h.status = CAM_REQ_CMP;
3766 xpt_done(ccb);
3767 break;
3768 case XPT_GET_TRAN_SETTINGS:
3769 cts = &ccb->cts;
3770 tgt = cts->ccb_h.target_id;
3771 bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path));
3772 if (IS_FC(isp)) {
3773 fcparam *fcp = FCPARAM(isp, bus);
3774 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
3775 struct ccb_trans_settings_fc *fc = &cts->xport_specific.fc;
3776
3777 cts->protocol = PROTO_SCSI;
3778 cts->protocol_version = SCSI_REV_2;
3779 cts->transport = XPORT_FC;
3780 cts->transport_version = 0;
3781
3782 scsi->valid = CTS_SCSI_VALID_TQ;
3783 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
3784 fc->valid = CTS_FC_VALID_SPEED;
3785 fc->bitrate = 100000;
3786 fc->bitrate *= fcp->isp_gbspeed;
3787 if (tgt < MAX_FC_TARG) {
3788 fcportdb_t *lp = &fcp->portdb[tgt];
3789 fc->wwnn = lp->node_wwn;
3790 fc->wwpn = lp->port_wwn;
3791 fc->port = lp->portid;
3792 fc->valid |= CTS_FC_VALID_WWNN | CTS_FC_VALID_WWPN | CTS_FC_VALID_PORT;
3793 }
3794 } else {
3795 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
3796 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi;
3797 sdparam *sdp = SDPARAM(isp, bus);
3798 uint16_t dval, pval, oval;
3799
3800 if (IS_CURRENT_SETTINGS(cts)) {
3801 sdp->isp_devparam[tgt].dev_refresh = 1;
3802 sdp->update = 1;
3803 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS, bus);
3804 dval = sdp->isp_devparam[tgt].actv_flags;
3805 oval = sdp->isp_devparam[tgt].actv_offset;
3806 pval = sdp->isp_devparam[tgt].actv_period;
3807 } else {
3808 dval = sdp->isp_devparam[tgt].nvrm_flags;
3809 oval = sdp->isp_devparam[tgt].nvrm_offset;
3810 pval = sdp->isp_devparam[tgt].nvrm_period;
3811 }
3812
3813 cts->protocol = PROTO_SCSI;
3814 cts->protocol_version = SCSI_REV_2;
3815 cts->transport = XPORT_SPI;
3816 cts->transport_version = 2;
3817
3818 spi->valid = 0;
3819 scsi->valid = 0;
3820 spi->flags = 0;
3821 scsi->flags = 0;
3822 if (dval & DPARM_DISC) {
3823 spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
3824 }
3825 if ((dval & DPARM_SYNC) && oval && pval) {
3826 spi->sync_offset = oval;
3827 spi->sync_period = pval;
3828 } else {
3829 spi->sync_offset = 0;
3830 spi->sync_period = 0;
3831 }
3832 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET;
3833 spi->valid |= CTS_SPI_VALID_SYNC_RATE;
3834 spi->valid |= CTS_SPI_VALID_BUS_WIDTH;
3835 if (dval & DPARM_WIDE) {
3836 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
3837 } else {
3838 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
3839 }
3840 if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) {
3841 scsi->valid = CTS_SCSI_VALID_TQ;
3842 if (dval & DPARM_TQING) {
3843 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
3844 }
3845 spi->valid |= CTS_SPI_VALID_DISC;
3846 }
3847 isp_prt(isp, ISP_LOGDEBUG0, "GET %s (%d.%d.%jx) to flags %x off %x per %x", IS_CURRENT_SETTINGS(cts)? "ACTIVE" : "NVRAM",
3848 bus, tgt, (uintmax_t)cts->ccb_h.target_lun, dval, oval, pval);
3849 }
3850 ccb->ccb_h.status = CAM_REQ_CMP;
3851 xpt_done(ccb);
3852 break;
3853
3854 case XPT_CALC_GEOMETRY:
3855 cam_calc_geometry(&ccb->ccg, 1);
3856 xpt_done(ccb);
3857 break;
3858
3859 case XPT_RESET_BUS: /* Reset the specified bus */
3860 bus = cam_sim_bus(sim);
3861 error = isp_control(isp, ISPCTL_RESET_BUS, bus);
3862 if (error) {
3863 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
3864 xpt_done(ccb);
3865 break;
3866 }
3867 if (bootverbose) {
3868 xpt_print(ccb->ccb_h.path, "reset bus on channel %d\n", bus);
3869 }
3870 if (IS_FC(isp)) {
3871 xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, 0);
3872 } else {
3873 xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, 0);
3874 }
3875 ccb->ccb_h.status = CAM_REQ_CMP;
3876 xpt_done(ccb);
3877 break;
3878
3879 case XPT_TERM_IO: /* Terminate the I/O process */
3880 ccb->ccb_h.status = CAM_REQ_INVALID;
3881 xpt_done(ccb);
3882 break;
3883
3884 case XPT_SET_SIM_KNOB: /* Set SIM knobs */
3885 {
3886 struct ccb_sim_knob *kp = &ccb->knob;
3887 fcparam *fcp;
3888
3889 if (!IS_FC(isp)) {
3890 ccb->ccb_h.status = CAM_REQ_INVALID;
3891 xpt_done(ccb);
3892 break;
3893 }
3894
3895 bus = cam_sim_bus(xpt_path_sim(kp->ccb_h.path));
3896 fcp = FCPARAM(isp, bus);
3897
3898 if (kp->xport_specific.fc.valid & KNOB_VALID_ADDRESS) {
3899 fcp->isp_wwnn = ISP_FC_PC(isp, bus)->def_wwnn = kp->xport_specific.fc.wwnn;
3900 fcp->isp_wwpn = ISP_FC_PC(isp, bus)->def_wwpn = kp->xport_specific.fc.wwpn;
3901 isp_prt(isp, ISP_LOGALL, "Setting Channel %d wwns to 0x%jx 0x%jx", bus, fcp->isp_wwnn, fcp->isp_wwpn);
3902 }
3903 ccb->ccb_h.status = CAM_REQ_CMP;
3904 if (kp->xport_specific.fc.valid & KNOB_VALID_ROLE) {
3905 int rchange = 0;
3906 int newrole = 0;
3907
3908 switch (kp->xport_specific.fc.role) {
3909 case KNOB_ROLE_NONE:
3910 if (fcp->role != ISP_ROLE_NONE) {
3911 rchange = 1;
3912 newrole = ISP_ROLE_NONE;
3913 }
3914 break;
3915 case KNOB_ROLE_TARGET:
3916 if (fcp->role != ISP_ROLE_TARGET) {
3917 rchange = 1;
3918 newrole = ISP_ROLE_TARGET;
3919 }
3920 break;
3921 case KNOB_ROLE_INITIATOR:
3922 if (fcp->role != ISP_ROLE_INITIATOR) {
3923 rchange = 1;
3924 newrole = ISP_ROLE_INITIATOR;
3925 }
3926 break;
3927 case KNOB_ROLE_BOTH:
3928 if (fcp->role != ISP_ROLE_BOTH) {
3929 rchange = 1;
3930 newrole = ISP_ROLE_BOTH;
3931 }
3932 break;
3933 }
3934 if (rchange) {
3935 ISP_PATH_PRT(isp, ISP_LOGCONFIG, ccb->ccb_h.path, "changing role on from %d to %d\n", fcp->role, newrole);
3936 if (isp_control(isp, ISPCTL_CHANGE_ROLE,
3937 bus, newrole) != 0) {
3938 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
3939 xpt_done(ccb);
3940 break;
3941 }
3942 }
3943 }
3944 xpt_done(ccb);
3945 break;
3946 }
3947 case XPT_GET_SIM_KNOB: /* Get SIM knobs */
3948 {
3949 struct ccb_sim_knob *kp = &ccb->knob;
3950
3951 if (IS_FC(isp)) {
3952 fcparam *fcp;
3953
3954 bus = cam_sim_bus(xpt_path_sim(kp->ccb_h.path));
3955 fcp = FCPARAM(isp, bus);
3956
3957 kp->xport_specific.fc.wwnn = fcp->isp_wwnn;
3958 kp->xport_specific.fc.wwpn = fcp->isp_wwpn;
3959 switch (fcp->role) {
3960 case ISP_ROLE_NONE:
3961 kp->xport_specific.fc.role = KNOB_ROLE_NONE;
3962 break;
3963 case ISP_ROLE_TARGET:
3964 kp->xport_specific.fc.role = KNOB_ROLE_TARGET;
3965 break;
3966 case ISP_ROLE_INITIATOR:
3967 kp->xport_specific.fc.role = KNOB_ROLE_INITIATOR;
3968 break;
3969 case ISP_ROLE_BOTH:
3970 kp->xport_specific.fc.role = KNOB_ROLE_BOTH;
3971 break;
3972 }
3973 kp->xport_specific.fc.valid = KNOB_VALID_ADDRESS | KNOB_VALID_ROLE;
3974 ccb->ccb_h.status = CAM_REQ_CMP;
3975 } else {
3976 ccb->ccb_h.status = CAM_REQ_INVALID;
3977 }
3978 xpt_done(ccb);
3979 break;
3980 }
3981 case XPT_PATH_INQ: /* Path routing inquiry */
3982 {
3983 struct ccb_pathinq *cpi = &ccb->cpi;
3984
3985 cpi->version_num = 1;
3986 #ifdef ISP_TARGET_MODE
3987 if (IS_FC(isp) && ISP_CAP_TMODE(isp) && ISP_CAP_SCCFW(isp))
3988 cpi->target_sprt = PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO;
3989 else
3990 #endif
3991 cpi->target_sprt = 0;
3992 cpi->hba_eng_cnt = 0;
3993 cpi->max_target = ISP_MAX_TARGETS(isp) - 1;
3994 cpi->max_lun = ISP_MAX_LUNS(isp) == 0 ?
3995 255 : ISP_MAX_LUNS(isp) - 1;
3996 cpi->bus_id = cam_sim_bus(sim);
3997 if (isp->isp_osinfo.sixtyfourbit)
3998 cpi->maxio = (ISP_NSEG64_MAX - 1) * PAGE_SIZE;
3999 else
4000 cpi->maxio = (ISP_NSEG_MAX - 1) * PAGE_SIZE;
4001
4002 bus = cam_sim_bus(xpt_path_sim(cpi->ccb_h.path));
4003 if (IS_FC(isp)) {
4004 fcparam *fcp = FCPARAM(isp, bus);
4005
4006 cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED;
4007 #if __FreeBSD_version >= 1000700
4008 cpi->hba_misc |= PIM_EXTLUNS;
4009 #endif
4010 #if __FreeBSD_version >= 1000039
4011 cpi->hba_misc |= PIM_NOSCAN;
4012 #endif
4013
4014 /*
4015 * Because our loop ID can shift from time to time,
4016 * make our initiator ID out of range of our bus.
4017 */
4018 cpi->initiator_id = cpi->max_target + 1;
4019
4020 /*
4021 * Set base transfer capabilities for Fibre Channel, for this HBA.
4022 */
4023 if (IS_25XX(isp)) {
4024 cpi->base_transfer_speed = 8000000;
4025 } else if (IS_24XX(isp)) {
4026 cpi->base_transfer_speed = 4000000;
4027 } else if (IS_23XX(isp)) {
4028 cpi->base_transfer_speed = 2000000;
4029 } else {
4030 cpi->base_transfer_speed = 1000000;
4031 }
4032 cpi->hba_inquiry = PI_TAG_ABLE;
4033 cpi->transport = XPORT_FC;
4034 cpi->transport_version = 0;
4035 cpi->xport_specific.fc.wwnn = fcp->isp_wwnn;
4036 cpi->xport_specific.fc.wwpn = fcp->isp_wwpn;
4037 cpi->xport_specific.fc.port = fcp->isp_portid;
4038 cpi->xport_specific.fc.bitrate = fcp->isp_gbspeed * 1000;
4039 } else {
4040 sdparam *sdp = SDPARAM(isp, bus);
4041 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16;
4042 cpi->hba_misc = PIM_UNMAPPED;
4043 cpi->initiator_id = sdp->isp_initiator_id;
4044 cpi->base_transfer_speed = 3300;
4045 cpi->transport = XPORT_SPI;
4046 cpi->transport_version = 2;
4047 }
4048 cpi->protocol = PROTO_SCSI;
4049 cpi->protocol_version = SCSI_REV_2;
4050 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
4051 strncpy(cpi->hba_vid, "Qlogic", HBA_IDLEN);
4052 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
4053 cpi->unit_number = cam_sim_unit(sim);
4054 cpi->ccb_h.status = CAM_REQ_CMP;
4055 xpt_done(ccb);
4056 break;
4057 }
4058 default:
4059 ccb->ccb_h.status = CAM_REQ_INVALID;
4060 xpt_done(ccb);
4061 break;
4062 }
4063 }
4064
4065 #define ISPDDB (CAM_DEBUG_INFO|CAM_DEBUG_TRACE|CAM_DEBUG_CDB)
4066
4067 void
isp_done(XS_T * sccb)4068 isp_done(XS_T *sccb)
4069 {
4070 ispsoftc_t *isp = XS_ISP(sccb);
4071 uint32_t status;
4072
4073 if (XS_NOERR(sccb))
4074 XS_SETERR(sccb, CAM_REQ_CMP);
4075
4076 if ((sccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && (sccb->scsi_status != SCSI_STATUS_OK)) {
4077 sccb->ccb_h.status &= ~CAM_STATUS_MASK;
4078 if ((sccb->scsi_status == SCSI_STATUS_CHECK_COND) && (sccb->ccb_h.status & CAM_AUTOSNS_VALID) == 0) {
4079 sccb->ccb_h.status |= CAM_AUTOSENSE_FAIL;
4080 } else {
4081 sccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR;
4082 }
4083 }
4084
4085 sccb->ccb_h.status &= ~CAM_SIM_QUEUED;
4086 status = sccb->ccb_h.status & CAM_STATUS_MASK;
4087 if (status != CAM_REQ_CMP) {
4088 if (status != CAM_SEL_TIMEOUT)
4089 isp_prt(isp, ISP_LOGDEBUG0,
4090 "target %d lun %jx CAM status 0x%x SCSI status 0x%x",
4091 XS_TGT(sccb), (uintmax_t)XS_LUN(sccb),
4092 sccb->ccb_h.status, sccb->scsi_status);
4093 else if ((IS_FC(isp))
4094 && (XS_TGT(sccb) < MAX_FC_TARG)) {
4095 fcparam *fcp;
4096
4097 fcp = FCPARAM(isp, XS_CHANNEL(sccb));
4098 fcp->portdb[XS_TGT(sccb)].is_target = 0;
4099 }
4100 if ((sccb->ccb_h.status & CAM_DEV_QFRZN) == 0) {
4101 sccb->ccb_h.status |= CAM_DEV_QFRZN;
4102 xpt_freeze_devq(sccb->ccb_h.path, 1);
4103 }
4104 }
4105
4106 if ((CAM_DEBUGGED(sccb->ccb_h.path, ISPDDB)) && (sccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
4107 xpt_print(sccb->ccb_h.path, "cam completion status 0x%x\n", sccb->ccb_h.status);
4108 }
4109
4110 if (ISP_PCMD(sccb)) {
4111 if (callout_active(&PISP_PCMD(sccb)->wdog))
4112 callout_stop(&PISP_PCMD(sccb)->wdog);
4113 isp_free_pcmd(isp, (union ccb *) sccb);
4114 }
4115 xpt_done((union ccb *) sccb);
4116 }
4117
4118 void
isp_async(ispsoftc_t * isp,ispasync_t cmd,...)4119 isp_async(ispsoftc_t *isp, ispasync_t cmd, ...)
4120 {
4121 int bus;
4122 static const char prom[] = "Chan %d [%d] WWPN 0x%16jx PortID 0x%06x handle 0x%x %s %s";
4123 char buf[64];
4124 char *msg = NULL;
4125 target_id_t tgt;
4126 fcportdb_t *lp;
4127 struct isp_fc *fc;
4128 struct cam_path *tmppath;
4129 struct ac_contract ac;
4130 struct ac_device_changed *adc;
4131 va_list ap;
4132
4133 switch (cmd) {
4134 case ISPASYNC_NEW_TGT_PARAMS:
4135 {
4136 struct ccb_trans_settings_scsi *scsi;
4137 struct ccb_trans_settings_spi *spi;
4138 int flags, tgt;
4139 sdparam *sdp;
4140 struct ccb_trans_settings cts;
4141
4142 memset(&cts, 0, sizeof (struct ccb_trans_settings));
4143
4144 va_start(ap, cmd);
4145 bus = va_arg(ap, int);
4146 tgt = va_arg(ap, int);
4147 va_end(ap);
4148 sdp = SDPARAM(isp, bus);
4149
4150 if (xpt_create_path(&tmppath, NULL, cam_sim_path(ISP_SPI_PC(isp, bus)->sim), tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
4151 isp_prt(isp, ISP_LOGWARN, "isp_async cannot make temp path for %d.%d", tgt, bus);
4152 break;
4153 }
4154 flags = sdp->isp_devparam[tgt].actv_flags;
4155 cts.type = CTS_TYPE_CURRENT_SETTINGS;
4156 cts.protocol = PROTO_SCSI;
4157 cts.transport = XPORT_SPI;
4158
4159 scsi = &cts.proto_specific.scsi;
4160 spi = &cts.xport_specific.spi;
4161
4162 if (flags & DPARM_TQING) {
4163 scsi->valid |= CTS_SCSI_VALID_TQ;
4164 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
4165 }
4166
4167 if (flags & DPARM_DISC) {
4168 spi->valid |= CTS_SPI_VALID_DISC;
4169 spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
4170 }
4171 spi->flags |= CTS_SPI_VALID_BUS_WIDTH;
4172 if (flags & DPARM_WIDE) {
4173 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
4174 } else {
4175 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
4176 }
4177 if (flags & DPARM_SYNC) {
4178 spi->valid |= CTS_SPI_VALID_SYNC_RATE;
4179 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET;
4180 spi->sync_period = sdp->isp_devparam[tgt].actv_period;
4181 spi->sync_offset = sdp->isp_devparam[tgt].actv_offset;
4182 }
4183 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);
4184 xpt_setup_ccb(&cts.ccb_h, tmppath, 1);
4185 xpt_async(AC_TRANSFER_NEG, tmppath, &cts);
4186 xpt_free_path(tmppath);
4187 break;
4188 }
4189 case ISPASYNC_BUS_RESET:
4190 {
4191 va_start(ap, cmd);
4192 bus = va_arg(ap, int);
4193 va_end(ap);
4194 isp_prt(isp, ISP_LOGINFO, "SCSI bus reset on bus %d detected", bus);
4195 if (IS_FC(isp)) {
4196 xpt_async(AC_BUS_RESET, ISP_FC_PC(isp, bus)->path, NULL);
4197 } else {
4198 xpt_async(AC_BUS_RESET, ISP_SPI_PC(isp, bus)->path, NULL);
4199 }
4200 break;
4201 }
4202 case ISPASYNC_LIP:
4203 if (msg == NULL)
4204 msg = "LIP Received";
4205 /* FALLTHROUGH */
4206 case ISPASYNC_LOOP_RESET:
4207 if (msg == NULL)
4208 msg = "LOOP Reset";
4209 /* FALLTHROUGH */
4210 case ISPASYNC_LOOP_DOWN:
4211 if (msg == NULL)
4212 msg = "LOOP Down";
4213 va_start(ap, cmd);
4214 bus = va_arg(ap, int);
4215 va_end(ap);
4216 isp_fcp_reset_crn(isp, bus, /*tgt*/0, /*tgt_set*/ 0);
4217 isp_loop_changed(isp, bus);
4218 isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg);
4219 break;
4220 case ISPASYNC_LOOP_UP:
4221 va_start(ap, cmd);
4222 bus = va_arg(ap, int);
4223 va_end(ap);
4224 isp_loop_changed(isp, bus);
4225 isp_prt(isp, ISP_LOGINFO, "Chan %d Loop UP", bus);
4226 break;
4227 case ISPASYNC_DEV_ARRIVED:
4228 va_start(ap, cmd);
4229 bus = va_arg(ap, int);
4230 lp = va_arg(ap, fcportdb_t *);
4231 va_end(ap);
4232 fc = ISP_FC_PC(isp, bus);
4233 tgt = FC_PORTDB_TGT(isp, bus, lp);
4234 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
4235 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "arrived");
4236 if ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) &&
4237 (lp->prli_word3 & PRLI_WD3_TARGET_FUNCTION)) {
4238 lp->is_target = 1;
4239 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1);
4240 isp_make_here(isp, lp, bus, tgt);
4241 }
4242 if ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) &&
4243 (lp->prli_word3 & PRLI_WD3_INITIATOR_FUNCTION)) {
4244 lp->is_initiator = 1;
4245 ac.contract_number = AC_CONTRACT_DEV_CHG;
4246 adc = (struct ac_device_changed *) ac.contract_data;
4247 adc->wwpn = lp->port_wwn;
4248 adc->port = lp->portid;
4249 adc->target = tgt;
4250 adc->arrived = 1;
4251 xpt_async(AC_CONTRACT, fc->path, &ac);
4252 }
4253 break;
4254 case ISPASYNC_DEV_CHANGED:
4255 va_start(ap, cmd);
4256 bus = va_arg(ap, int);
4257 lp = va_arg(ap, fcportdb_t *);
4258 va_end(ap);
4259 fc = ISP_FC_PC(isp, bus);
4260 tgt = FC_PORTDB_TGT(isp, bus, lp);
4261 isp_gen_role_str(buf, sizeof (buf), lp->new_prli_word3);
4262 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->new_portid, lp->handle, buf, "changed");
4263 changed:
4264 if (lp->is_target !=
4265 ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) &&
4266 (lp->new_prli_word3 & PRLI_WD3_TARGET_FUNCTION))) {
4267 lp->is_target = !lp->is_target;
4268 if (lp->is_target) {
4269 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1);
4270 isp_make_here(isp, lp, bus, tgt);
4271 } else {
4272 isp_make_gone(isp, lp, bus, tgt);
4273 isp_fcp_reset_crn(isp, bus, tgt, /*tgt_set*/ 1);
4274 }
4275 }
4276 if (lp->is_initiator !=
4277 ((FCPARAM(isp, bus)->role & ISP_ROLE_TARGET) &&
4278 (lp->new_prli_word3 & PRLI_WD3_INITIATOR_FUNCTION))) {
4279 lp->is_initiator = !lp->is_initiator;
4280 ac.contract_number = AC_CONTRACT_DEV_CHG;
4281 adc = (struct ac_device_changed *) ac.contract_data;
4282 adc->wwpn = lp->port_wwn;
4283 adc->port = lp->portid;
4284 adc->target = tgt;
4285 adc->arrived = lp->is_initiator;
4286 xpt_async(AC_CONTRACT, fc->path, &ac);
4287 }
4288 break;
4289 case ISPASYNC_DEV_STAYED:
4290 va_start(ap, cmd);
4291 bus = va_arg(ap, int);
4292 lp = va_arg(ap, fcportdb_t *);
4293 va_end(ap);
4294 fc = ISP_FC_PC(isp, bus);
4295 tgt = FC_PORTDB_TGT(isp, bus, lp);
4296 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
4297 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "stayed");
4298 goto changed;
4299 case ISPASYNC_DEV_GONE:
4300 va_start(ap, cmd);
4301 bus = va_arg(ap, int);
4302 lp = va_arg(ap, fcportdb_t *);
4303 va_end(ap);
4304 fc = ISP_FC_PC(isp, bus);
4305 tgt = FC_PORTDB_TGT(isp, bus, lp);
4306 /*
4307 * If this has a virtual target or initiator set the isp_gdt
4308 * timer running on it to delay its departure.
4309 */
4310 isp_gen_role_str(buf, sizeof (buf), lp->prli_word3);
4311 if (lp->is_target || lp->is_initiator) {
4312 lp->state = FC_PORTDB_STATE_ZOMBIE;
4313 lp->gone_timer = fc->gone_device_time;
4314 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone zombie");
4315 if (fc->ready && !callout_active(&fc->gdt)) {
4316 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);
4317 callout_reset(&fc->gdt, hz, isp_gdt, fc);
4318 }
4319 break;
4320 }
4321 isp_prt(isp, ISP_LOGCONFIG, prom, bus, tgt, lp->port_wwn, lp->portid, lp->handle, buf, "gone");
4322 break;
4323 case ISPASYNC_CHANGE_NOTIFY:
4324 {
4325 char *msg;
4326 int evt, nphdl, nlstate, portid, reason;
4327
4328 va_start(ap, cmd);
4329 bus = va_arg(ap, int);
4330 evt = va_arg(ap, int);
4331 if (evt == ISPASYNC_CHANGE_PDB) {
4332 nphdl = va_arg(ap, int);
4333 nlstate = va_arg(ap, int);
4334 reason = va_arg(ap, int);
4335 } else if (evt == ISPASYNC_CHANGE_SNS) {
4336 portid = va_arg(ap, int);
4337 } else {
4338 nphdl = NIL_HANDLE;
4339 nlstate = reason = 0;
4340 }
4341 va_end(ap);
4342 fc = ISP_FC_PC(isp, bus);
4343
4344 if (evt == ISPASYNC_CHANGE_PDB) {
4345 msg = "Port Database Changed";
4346 isp_prt(isp, ISP_LOGINFO,
4347 "Chan %d %s (nphdl 0x%x state 0x%x reason 0x%x)",
4348 bus, msg, nphdl, nlstate, reason);
4349 } else if (evt == ISPASYNC_CHANGE_SNS) {
4350 msg = "Name Server Database Changed";
4351 isp_prt(isp, ISP_LOGINFO, "Chan %d %s (PortID 0x%06x)",
4352 bus, msg, portid);
4353 } else {
4354 msg = "Other Change Notify";
4355 isp_prt(isp, ISP_LOGINFO, "Chan %d %s", bus, msg);
4356 }
4357 isp_loop_changed(isp, bus);
4358 break;
4359 }
4360 #ifdef ISP_TARGET_MODE
4361 case ISPASYNC_TARGET_NOTIFY:
4362 {
4363 isp_notify_t *notify;
4364 va_start(ap, cmd);
4365 notify = va_arg(ap, isp_notify_t *);
4366 va_end(ap);
4367 switch (notify->nt_ncode) {
4368 case NT_ABORT_TASK:
4369 case NT_ABORT_TASK_SET:
4370 case NT_CLEAR_ACA:
4371 case NT_CLEAR_TASK_SET:
4372 case NT_LUN_RESET:
4373 case NT_TARGET_RESET:
4374 case NT_QUERY_TASK_SET:
4375 case NT_QUERY_ASYNC_EVENT:
4376 /*
4377 * These are task management functions.
4378 */
4379 isp_handle_platform_target_tmf(isp, notify);
4380 break;
4381 case NT_BUS_RESET:
4382 case NT_LIP_RESET:
4383 case NT_LINK_UP:
4384 case NT_LINK_DOWN:
4385 case NT_HBA_RESET:
4386 /*
4387 * No action need be taken here.
4388 */
4389 break;
4390 case NT_GLOBAL_LOGOUT:
4391 case NT_LOGOUT:
4392 /*
4393 * This is device arrival/departure notification
4394 */
4395 isp_handle_platform_target_notify_ack(isp, notify);
4396 break;
4397 default:
4398 isp_prt(isp, ISP_LOGALL, "target notify code 0x%x", notify->nt_ncode);
4399 isp_handle_platform_target_notify_ack(isp, notify);
4400 break;
4401 }
4402 break;
4403 }
4404 case ISPASYNC_TARGET_NOTIFY_ACK:
4405 {
4406 void *inot;
4407 va_start(ap, cmd);
4408 inot = va_arg(ap, void *);
4409 va_end(ap);
4410 if (isp_notify_ack(isp, inot)) {
4411 isp_tna_t *tp = malloc(sizeof (*tp), M_DEVBUF, M_NOWAIT);
4412 if (tp) {
4413 tp->isp = isp;
4414 if (inot) {
4415 memcpy(tp->data, inot, sizeof (tp->data));
4416 tp->not = tp->data;
4417 } else {
4418 tp->not = NULL;
4419 }
4420 callout_init_mtx(&tp->timer, &isp->isp_lock, 0);
4421 callout_reset(&tp->timer, 5,
4422 isp_refire_notify_ack, tp);
4423 } else {
4424 isp_prt(isp, ISP_LOGERR, "you lose- cannot allocate a notify refire");
4425 }
4426 }
4427 break;
4428 }
4429 case ISPASYNC_TARGET_ACTION:
4430 {
4431 isphdr_t *hp;
4432
4433 va_start(ap, cmd);
4434 hp = va_arg(ap, isphdr_t *);
4435 va_end(ap);
4436 switch (hp->rqs_entry_type) {
4437 default:
4438 isp_prt(isp, ISP_LOGWARN, "%s: unhandled target action 0x%x", __func__, hp->rqs_entry_type);
4439 break;
4440 case RQSTYPE_NOTIFY:
4441 if (IS_24XX(isp)) {
4442 isp_handle_platform_notify_24xx(isp, (in_fcentry_24xx_t *) hp);
4443 } else {
4444 isp_handle_platform_notify_fc(isp, (in_fcentry_t *) hp);
4445 }
4446 break;
4447 case RQSTYPE_ATIO:
4448 isp_handle_platform_atio7(isp, (at7_entry_t *) hp);
4449 break;
4450 case RQSTYPE_ATIO2:
4451 isp_handle_platform_atio2(isp, (at2_entry_t *) hp);
4452 break;
4453 case RQSTYPE_CTIO7:
4454 case RQSTYPE_CTIO3:
4455 case RQSTYPE_CTIO2:
4456 case RQSTYPE_CTIO:
4457 isp_handle_platform_ctio(isp, hp);
4458 break;
4459 case RQSTYPE_ABTS_RCVD:
4460 {
4461 abts_t *abts = (abts_t *)hp;
4462 isp_notify_t notify, *nt = ¬ify;
4463 tstate_t *tptr;
4464 fcportdb_t *lp;
4465 uint16_t chan;
4466 uint32_t sid, did;
4467
4468 did = (abts->abts_did_hi << 16) | abts->abts_did_lo;
4469 sid = (abts->abts_sid_hi << 16) | abts->abts_sid_lo;
4470 ISP_MEMZERO(nt, sizeof (isp_notify_t));
4471
4472 nt->nt_hba = isp;
4473 nt->nt_did = did;
4474 nt->nt_nphdl = abts->abts_nphdl;
4475 nt->nt_sid = sid;
4476 isp_find_chan_by_did(isp, did, &chan);
4477 if (chan == ISP_NOCHAN) {
4478 nt->nt_tgt = TGT_ANY;
4479 } else {
4480 nt->nt_tgt = FCPARAM(isp, chan)->isp_wwpn;
4481 if (isp_find_pdb_by_handle(isp, chan, abts->abts_nphdl, &lp)) {
4482 nt->nt_wwn = lp->port_wwn;
4483 } else {
4484 nt->nt_wwn = INI_ANY;
4485 }
4486 }
4487 /*
4488 * Try hard to find the lun for this command.
4489 */
4490 tptr = get_lun_statep_from_tag(isp, chan, abts->abts_rxid_task);
4491 if (tptr) {
4492 nt->nt_lun = tptr->ts_lun;
4493 rls_lun_statep(isp, tptr);
4494 } else {
4495 nt->nt_lun = LUN_ANY;
4496 }
4497 nt->nt_need_ack = 1;
4498 nt->nt_tagval = abts->abts_rxid_task;
4499 nt->nt_tagval |= (((uint64_t) abts->abts_rxid_abts) << 32);
4500 if (abts->abts_rxid_task == ISP24XX_NO_TASK) {
4501 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)",
4502 abts->abts_rxid_abts, abts->abts_nphdl, sid, abts->abts_rx_id, abts->abts_ox_id);
4503 } else {
4504 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)",
4505 abts->abts_rxid_abts, abts->abts_nphdl, sid, abts->abts_rxid_task, abts->abts_rx_id, abts->abts_ox_id);
4506 }
4507 nt->nt_channel = chan;
4508 nt->nt_ncode = NT_ABORT_TASK;
4509 nt->nt_lreserved = hp;
4510 isp_handle_platform_target_tmf(isp, nt);
4511 break;
4512 }
4513 }
4514 break;
4515 }
4516 #endif
4517 case ISPASYNC_FW_CRASH:
4518 {
4519 uint16_t mbox1, mbox6;
4520 mbox1 = ISP_READ(isp, OUTMAILBOX1);
4521 if (IS_DUALBUS(isp)) {
4522 mbox6 = ISP_READ(isp, OUTMAILBOX6);
4523 } else {
4524 mbox6 = 0;
4525 }
4526 isp_prt(isp, ISP_LOGERR, "Internal Firmware Error on bus %d @ RISC Address 0x%x", mbox6, mbox1);
4527 mbox1 = isp->isp_osinfo.mbox_sleep_ok;
4528 isp->isp_osinfo.mbox_sleep_ok = 0;
4529 isp_reinit(isp, 1);
4530 isp->isp_osinfo.mbox_sleep_ok = mbox1;
4531 isp_async(isp, ISPASYNC_FW_RESTARTED, NULL);
4532 break;
4533 }
4534 default:
4535 isp_prt(isp, ISP_LOGERR, "unknown isp_async event %d", cmd);
4536 break;
4537 }
4538 }
4539
4540
4541 /*
4542 * Locks are held before coming here.
4543 */
4544 void
isp_uninit(ispsoftc_t * isp)4545 isp_uninit(ispsoftc_t *isp)
4546 {
4547 if (IS_24XX(isp)) {
4548 ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_RESET);
4549 } else {
4550 ISP_WRITE(isp, HCCR, HCCR_CMD_RESET);
4551 }
4552 ISP_DISABLE_INTS(isp);
4553 }
4554
4555 uint64_t
isp_default_wwn(ispsoftc_t * isp,int chan,int isactive,int iswwnn)4556 isp_default_wwn(ispsoftc_t * isp, int chan, int isactive, int iswwnn)
4557 {
4558 uint64_t seed;
4559 struct isp_fc *fc = ISP_FC_PC(isp, chan);
4560
4561 /* First try to use explicitly configured WWNs. */
4562 seed = iswwnn ? fc->def_wwnn : fc->def_wwpn;
4563 if (seed)
4564 return (seed);
4565
4566 /* Otherwise try to use WWNs from NVRAM. */
4567 if (isactive) {
4568 seed = iswwnn ? FCPARAM(isp, chan)->isp_wwnn_nvram :
4569 FCPARAM(isp, chan)->isp_wwpn_nvram;
4570 if (seed)
4571 return (seed);
4572 }
4573
4574 /* If still no WWNs, try to steal them from the first channel. */
4575 if (chan > 0) {
4576 seed = iswwnn ? ISP_FC_PC(isp, 0)->def_wwnn :
4577 ISP_FC_PC(isp, 0)->def_wwpn;
4578 if (seed == 0) {
4579 seed = iswwnn ? FCPARAM(isp, 0)->isp_wwnn_nvram :
4580 FCPARAM(isp, 0)->isp_wwpn_nvram;
4581 }
4582 }
4583
4584 /* If still nothing -- improvise. */
4585 if (seed == 0) {
4586 seed = 0x400000007F000000ull + device_get_unit(isp->isp_dev);
4587 if (!iswwnn)
4588 seed ^= 0x0100000000000000ULL;
4589 }
4590
4591 /* For additional channels we have to improvise even more. */
4592 if (!iswwnn && chan > 0) {
4593 /*
4594 * We'll stick our channel number plus one first into bits
4595 * 57..59 and thence into bits 52..55 which allows for 8 bits
4596 * of channel which is enough for our maximum of 255 channels.
4597 */
4598 seed ^= 0x0100000000000000ULL;
4599 seed ^= ((uint64_t) (chan + 1) & 0xf) << 56;
4600 seed ^= ((uint64_t) ((chan + 1) >> 4) & 0xf) << 52;
4601 }
4602 return (seed);
4603 }
4604
4605 void
isp_prt(ispsoftc_t * isp,int level,const char * fmt,...)4606 isp_prt(ispsoftc_t *isp, int level, const char *fmt, ...)
4607 {
4608 int loc;
4609 char lbuf[200];
4610 va_list ap;
4611
4612 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) {
4613 return;
4614 }
4615 snprintf(lbuf, sizeof (lbuf), "%s: ", device_get_nameunit(isp->isp_dev));
4616 loc = strlen(lbuf);
4617 va_start(ap, fmt);
4618 vsnprintf(&lbuf[loc], sizeof (lbuf) - loc - 1, fmt, ap);
4619 va_end(ap);
4620 printf("%s\n", lbuf);
4621 }
4622
4623 void
isp_xs_prt(ispsoftc_t * isp,XS_T * xs,int level,const char * fmt,...)4624 isp_xs_prt(ispsoftc_t *isp, XS_T *xs, int level, const char *fmt, ...)
4625 {
4626 va_list ap;
4627 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) {
4628 return;
4629 }
4630 xpt_print_path(xs->ccb_h.path);
4631 va_start(ap, fmt);
4632 vprintf(fmt, ap);
4633 va_end(ap);
4634 printf("\n");
4635 }
4636
4637 uint64_t
isp_nanotime_sub(struct timespec * b,struct timespec * a)4638 isp_nanotime_sub(struct timespec *b, struct timespec *a)
4639 {
4640 uint64_t elapsed;
4641 struct timespec x = *b;
4642 timespecsub(&x, a);
4643 elapsed = GET_NANOSEC(&x);
4644 if (elapsed == 0)
4645 elapsed++;
4646 return (elapsed);
4647 }
4648
4649 int
isp_mbox_acquire(ispsoftc_t * isp)4650 isp_mbox_acquire(ispsoftc_t *isp)
4651 {
4652 if (isp->isp_osinfo.mboxbsy) {
4653 return (1);
4654 } else {
4655 isp->isp_osinfo.mboxcmd_done = 0;
4656 isp->isp_osinfo.mboxbsy = 1;
4657 return (0);
4658 }
4659 }
4660
4661 void
isp_mbox_wait_complete(ispsoftc_t * isp,mbreg_t * mbp)4662 isp_mbox_wait_complete(ispsoftc_t *isp, mbreg_t *mbp)
4663 {
4664 unsigned int usecs = mbp->timeout;
4665 unsigned int max, olim, ilim;
4666
4667 if (usecs == 0) {
4668 usecs = MBCMD_DEFAULT_TIMEOUT;
4669 }
4670 max = isp->isp_mbxwrk0 + 1;
4671
4672 if (isp->isp_osinfo.mbox_sleep_ok) {
4673 unsigned int ms = (usecs + 999) / 1000;
4674
4675 isp->isp_osinfo.mbox_sleep_ok = 0;
4676 isp->isp_osinfo.mbox_sleeping = 1;
4677 for (olim = 0; olim < max; olim++) {
4678 msleep(&isp->isp_mbxworkp, &isp->isp_osinfo.lock, PRIBIO, "ispmbx_sleep", isp_mstohz(ms));
4679 if (isp->isp_osinfo.mboxcmd_done) {
4680 break;
4681 }
4682 }
4683 isp->isp_osinfo.mbox_sleep_ok = 1;
4684 isp->isp_osinfo.mbox_sleeping = 0;
4685 } else {
4686 for (olim = 0; olim < max; olim++) {
4687 for (ilim = 0; ilim < usecs; ilim += 100) {
4688 uint16_t isr, sema, info;
4689 if (isp->isp_osinfo.mboxcmd_done) {
4690 break;
4691 }
4692 if (ISP_READ_ISR(isp, &isr, &sema, &info)) {
4693 isp_intr(isp, isr, sema, info);
4694 if (isp->isp_osinfo.mboxcmd_done) {
4695 break;
4696 }
4697 }
4698 ISP_DELAY(100);
4699 }
4700 if (isp->isp_osinfo.mboxcmd_done) {
4701 break;
4702 }
4703 }
4704 }
4705 if (isp->isp_osinfo.mboxcmd_done == 0) {
4706 isp_prt(isp, ISP_LOGWARN, "%s Mailbox Command (0x%x) Timeout (%uus) (started @ %s:%d)",
4707 isp->isp_osinfo.mbox_sleep_ok? "Interrupting" : "Polled", isp->isp_lastmbxcmd, usecs, mbp->func, mbp->lineno);
4708 mbp->param[0] = MBOX_TIMEOUT;
4709 isp->isp_osinfo.mboxcmd_done = 1;
4710 }
4711 }
4712
4713 void
isp_mbox_notify_done(ispsoftc_t * isp)4714 isp_mbox_notify_done(ispsoftc_t *isp)
4715 {
4716 if (isp->isp_osinfo.mbox_sleeping) {
4717 wakeup(&isp->isp_mbxworkp);
4718 }
4719 isp->isp_osinfo.mboxcmd_done = 1;
4720 }
4721
4722 void
isp_mbox_release(ispsoftc_t * isp)4723 isp_mbox_release(ispsoftc_t *isp)
4724 {
4725 isp->isp_osinfo.mboxbsy = 0;
4726 }
4727
4728 int
isp_fc_scratch_acquire(ispsoftc_t * isp,int chan)4729 isp_fc_scratch_acquire(ispsoftc_t *isp, int chan)
4730 {
4731 int ret = 0;
4732 if (isp->isp_osinfo.pc.fc[chan].fcbsy) {
4733 ret = -1;
4734 } else {
4735 isp->isp_osinfo.pc.fc[chan].fcbsy = 1;
4736 }
4737 return (ret);
4738 }
4739
4740 int
isp_mstohz(int ms)4741 isp_mstohz(int ms)
4742 {
4743 int hz;
4744 struct timeval t;
4745 t.tv_sec = ms / 1000;
4746 t.tv_usec = (ms % 1000) * 1000;
4747 hz = tvtohz(&t);
4748 if (hz < 0) {
4749 hz = 0x7fffffff;
4750 }
4751 if (hz == 0) {
4752 hz = 1;
4753 }
4754 return (hz);
4755 }
4756
4757 void
isp_platform_intr(void * arg)4758 isp_platform_intr(void *arg)
4759 {
4760 ispsoftc_t *isp = arg;
4761 uint16_t isr, sema, info;
4762
4763 ISP_LOCK(isp);
4764 isp->isp_intcnt++;
4765 if (ISP_READ_ISR(isp, &isr, &sema, &info))
4766 isp_intr(isp, isr, sema, info);
4767 else
4768 isp->isp_intbogus++;
4769 ISP_UNLOCK(isp);
4770 }
4771
4772 void
isp_common_dmateardown(ispsoftc_t * isp,struct ccb_scsiio * csio,uint32_t hdl)4773 isp_common_dmateardown(ispsoftc_t *isp, struct ccb_scsiio *csio, uint32_t hdl)
4774 {
4775 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
4776 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTREAD);
4777 } else {
4778 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_POSTWRITE);
4779 }
4780 bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap);
4781 }
4782
4783 /*
4784 * Reset the command reference number for all LUNs on a specific target
4785 * (needed when a target arrives again) or for all targets on a port
4786 * (needed for events like a LIP).
4787 */
4788 void
isp_fcp_reset_crn(ispsoftc_t * isp,int chan,uint32_t tgt,int tgt_set)4789 isp_fcp_reset_crn(ispsoftc_t *isp, int chan, uint32_t tgt, int tgt_set)
4790 {
4791 struct isp_fc *fc = ISP_FC_PC(isp, chan);
4792 struct isp_nexus *nxp;
4793 int i;
4794
4795 if (tgt_set == 0)
4796 isp_prt(isp, ISP_LOGDEBUG0,
4797 "Chan %d resetting CRN on all targets", chan);
4798 else
4799 isp_prt(isp, ISP_LOGDEBUG0,
4800 "Chan %d resetting CRN on target %u", chan, tgt);
4801
4802 for (i = 0; i < NEXUS_HASH_WIDTH; i++) {
4803 for (nxp = fc->nexus_hash[i]; nxp != NULL; nxp = nxp->next) {
4804 if (tgt_set == 0 || tgt == nxp->tgt)
4805 nxp->crnseed = 0;
4806 }
4807 }
4808 }
4809
4810 int
isp_fcp_next_crn(ispsoftc_t * isp,uint8_t * crnp,XS_T * cmd)4811 isp_fcp_next_crn(ispsoftc_t *isp, uint8_t *crnp, XS_T *cmd)
4812 {
4813 lun_id_t lun;
4814 uint32_t chan, tgt;
4815 struct isp_fc *fc;
4816 struct isp_nexus *nxp;
4817 int idx;
4818
4819 if (IS_2100(isp))
4820 return (0);
4821
4822 chan = XS_CHANNEL(cmd);
4823 tgt = XS_TGT(cmd);
4824 lun = XS_LUN(cmd);
4825 fc = &isp->isp_osinfo.pc.fc[chan];
4826 idx = NEXUS_HASH(tgt, lun);
4827 nxp = fc->nexus_hash[idx];
4828
4829 while (nxp) {
4830 if (nxp->tgt == tgt && nxp->lun == lun)
4831 break;
4832 nxp = nxp->next;
4833 }
4834 if (nxp == NULL) {
4835 nxp = fc->nexus_free_list;
4836 if (nxp == NULL) {
4837 nxp = malloc(sizeof (struct isp_nexus), M_DEVBUF, M_ZERO|M_NOWAIT);
4838 if (nxp == NULL) {
4839 return (-1);
4840 }
4841 } else {
4842 fc->nexus_free_list = nxp->next;
4843 }
4844 nxp->tgt = tgt;
4845 nxp->lun = lun;
4846 nxp->next = fc->nexus_hash[idx];
4847 fc->nexus_hash[idx] = nxp;
4848 }
4849 if (nxp->crnseed == 0)
4850 nxp->crnseed = 1;
4851 PISP_PCMD(cmd)->crn = nxp->crnseed;
4852 *crnp = nxp->crnseed++;
4853 return (0);
4854 }
4855
4856 /*
4857 * We enter with the lock held
4858 */
4859 void
isp_timer(void * arg)4860 isp_timer(void *arg)
4861 {
4862 ispsoftc_t *isp = arg;
4863 #ifdef ISP_TARGET_MODE
4864 isp_tmcmd_restart(isp);
4865 #endif
4866 callout_reset(&isp->isp_osinfo.tmo, isp_timer_count, isp_timer, isp);
4867 }
4868
4869 isp_ecmd_t *
isp_get_ecmd(ispsoftc_t * isp)4870 isp_get_ecmd(ispsoftc_t *isp)
4871 {
4872 isp_ecmd_t *ecmd = isp->isp_osinfo.ecmd_free;
4873 if (ecmd) {
4874 isp->isp_osinfo.ecmd_free = ecmd->next;
4875 }
4876 return (ecmd);
4877 }
4878
4879 void
isp_put_ecmd(ispsoftc_t * isp,isp_ecmd_t * ecmd)4880 isp_put_ecmd(ispsoftc_t *isp, isp_ecmd_t *ecmd)
4881 {
4882 ecmd->next = isp->isp_osinfo.ecmd_free;
4883 isp->isp_osinfo.ecmd_free = ecmd;
4884 }
4885