Change the kernel dev_t, representing a pointer to a specinfo structure,
[dragonfly.git] / sys / dev / disk / isp / isp_freebsd.c
CommitLineData
984263bc 1/* $FreeBSD: src/sys/dev/isp/isp_freebsd.c,v 1.32.2.20 2002/10/11 18:49:25 mjacob Exp $ */
b13267a5 2/* $DragonFly: src/sys/dev/disk/isp/isp_freebsd.c,v 1.16 2006/09/10 01:26:33 dillon Exp $ */
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3/*
4 * Platform (FreeBSD) dependent common attachment code for Qlogic adapters.
5 *
6 * Copyright (c) 1997, 1998, 1999, 2000, 2001 by Matthew Jacob
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice immediately at the beginning of the file, without modification,
13 * this list of conditions, and the following disclaimer.
14 * 2. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
21 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
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29#include <sys/unistd.h>
30#include <sys/kthread.h>
984263bc 31#include <sys/conf.h>
fef8985e 32#include <sys/device.h>
984263bc 33#include <sys/ioccom.h>
fef8985e 34#include <machine/stdarg.h> /* for use by isp_prt below */
984263bc 35
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36#include "isp_ioctl.h"
37#include "isp_freebsd.h"
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38
39static d_ioctl_t ispioctl;
40static void isp_intr_enable(void *);
41static void isp_cam_async(void *, u_int32_t, struct cam_path *, void *);
42static void isp_poll(struct cam_sim *);
43static timeout_t isp_watchdog;
44static void isp_kthread(void *);
45static void isp_action(struct cam_sim *, union ccb *);
46
47
48#define ISP_CDEV_MAJOR 248
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49static struct dev_ops isp_ops = {
50 { "isp", ISP_CDEV_MAJOR, D_TAPE },
51 .d_open = nullopen,
52 .d_close = nullclose,
53 .d_ioctl = ispioctl,
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54};
55
56static struct ispsoftc *isplist = NULL;
57
58void
59isp_attach(struct ispsoftc *isp)
60{
61 int primary, secondary;
62 struct ccb_setasync csa;
63 struct cam_devq *devq;
64 struct cam_sim *sim;
65 struct cam_path *path;
66
67 /*
68 * Establish (in case of 12X0) which bus is the primary.
69 */
70
71 primary = 0;
72 secondary = 1;
73
74 /*
75 * Create the device queue for our SIM(s).
76 */
77 devq = cam_simq_alloc(isp->isp_maxcmds);
78 if (devq == NULL) {
79 return;
80 }
81
82 /*
83 * Construct our SIM entry.
84 */
85 ISPLOCK_2_CAMLOCK(isp);
86 sim = cam_sim_alloc(isp_action, isp_poll, "isp", isp,
87 device_get_unit(isp->isp_dev), 1, isp->isp_maxcmds, devq);
3aed1355 88 cam_simq_release(devq); /* leaves 1 ref due to cam_sim_alloc */
984263bc 89 if (sim == NULL) {
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90 CAMLOCK_2_ISPLOCK(isp);
91 return;
92 }
93 CAMLOCK_2_ISPLOCK(isp);
94
95 isp->isp_osinfo.ehook.ich_func = isp_intr_enable;
96 isp->isp_osinfo.ehook.ich_arg = isp;
a1e26a0c 97 isp->isp_osinfo.ehook.ich_desc = "isp";
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98 ISPLOCK_2_CAMLOCK(isp);
99 if (config_intrhook_establish(&isp->isp_osinfo.ehook) != 0) {
3aed1355 100 cam_sim_free(sim);
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101 CAMLOCK_2_ISPLOCK(isp);
102 isp_prt(isp, ISP_LOGERR,
103 "could not establish interrupt enable hook");
104 return;
105 }
106
107 if (xpt_bus_register(sim, primary) != CAM_SUCCESS) {
3aed1355 108 cam_sim_free(sim);
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109 CAMLOCK_2_ISPLOCK(isp);
110 return;
111 }
112
113 if (xpt_create_path(&path, NULL, cam_sim_path(sim),
114 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
115 xpt_bus_deregister(cam_sim_path(sim));
3aed1355 116 cam_sim_free(sim);
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117 config_intrhook_disestablish(&isp->isp_osinfo.ehook);
118 CAMLOCK_2_ISPLOCK(isp);
119 return;
120 }
121
122 xpt_setup_ccb(&csa.ccb_h, path, 5);
123 csa.ccb_h.func_code = XPT_SASYNC_CB;
124 csa.event_enable = AC_LOST_DEVICE;
125 csa.callback = isp_cam_async;
126 csa.callback_arg = sim;
127 xpt_action((union ccb *)&csa);
128 CAMLOCK_2_ISPLOCK(isp);
129 isp->isp_sim = sim;
130 isp->isp_path = path;
131 /*
132 * Create a kernel thread for fibre channel instances. We
133 * don't have dual channel FC cards.
134 */
135 if (IS_FC(isp)) {
136 ISPLOCK_2_CAMLOCK(isp);
41c20dac 137 if (kthread_create(isp_kthread, isp, &isp->isp_osinfo.kthread,
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138 "%s: fc_thrd", device_get_nameunit(isp->isp_dev))) {
139 xpt_bus_deregister(cam_sim_path(sim));
3aed1355 140 cam_sim_free(sim);
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141 config_intrhook_disestablish(&isp->isp_osinfo.ehook);
142 CAMLOCK_2_ISPLOCK(isp);
143 isp_prt(isp, ISP_LOGERR, "could not create kthread");
144 return;
145 }
146 CAMLOCK_2_ISPLOCK(isp);
147 }
148
149
150 /*
151 * If we have a second channel, construct SIM entry for that.
152 */
153 if (IS_DUALBUS(isp)) {
154 ISPLOCK_2_CAMLOCK(isp);
155 sim = cam_sim_alloc(isp_action, isp_poll, "isp", isp,
156 device_get_unit(isp->isp_dev), 1, isp->isp_maxcmds, devq);
157 if (sim == NULL) {
158 xpt_bus_deregister(cam_sim_path(isp->isp_sim));
159 xpt_free_path(isp->isp_path);
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160 config_intrhook_disestablish(&isp->isp_osinfo.ehook);
161 return;
162 }
163 if (xpt_bus_register(sim, secondary) != CAM_SUCCESS) {
164 xpt_bus_deregister(cam_sim_path(isp->isp_sim));
165 xpt_free_path(isp->isp_path);
3aed1355 166 cam_sim_free(sim);
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167 config_intrhook_disestablish(&isp->isp_osinfo.ehook);
168 CAMLOCK_2_ISPLOCK(isp);
169 return;
170 }
171
172 if (xpt_create_path(&path, NULL, cam_sim_path(sim),
173 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
174 xpt_bus_deregister(cam_sim_path(isp->isp_sim));
175 xpt_free_path(isp->isp_path);
176 xpt_bus_deregister(cam_sim_path(sim));
3aed1355 177 cam_sim_free(sim);
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178 config_intrhook_disestablish(&isp->isp_osinfo.ehook);
179 CAMLOCK_2_ISPLOCK(isp);
180 return;
181 }
182
183 xpt_setup_ccb(&csa.ccb_h, path, 5);
184 csa.ccb_h.func_code = XPT_SASYNC_CB;
185 csa.event_enable = AC_LOST_DEVICE;
186 csa.callback = isp_cam_async;
187 csa.callback_arg = sim;
188 xpt_action((union ccb *)&csa);
189 CAMLOCK_2_ISPLOCK(isp);
190 isp->isp_sim2 = sim;
191 isp->isp_path2 = path;
192 }
193 /*
194 * Create device nodes
195 */
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196 dev_ops_add(&isp_ops, -1, device_get_unit(isp->isp_dev));
197 make_dev(&isp_ops, device_get_unit(isp->isp_dev), UID_ROOT,
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198 GID_OPERATOR, 0600, "%s", device_get_nameunit(isp->isp_dev));
199
200 if (isp->isp_role != ISP_ROLE_NONE) {
201 isp->isp_state = ISP_RUNSTATE;
202 }
203 if (isplist == NULL) {
204 isplist = isp;
205 } else {
206 struct ispsoftc *tmp = isplist;
207 while (tmp->isp_osinfo.next) {
208 tmp = tmp->isp_osinfo.next;
209 }
210 tmp->isp_osinfo.next = isp;
211 }
212
213}
214
215static INLINE void
216isp_freeze_loopdown(struct ispsoftc *isp, char *msg)
217{
218 if (isp->isp_osinfo.simqfrozen == 0) {
219 isp_prt(isp, ISP_LOGDEBUG0, "%s: freeze simq (loopdown)", msg);
220 isp->isp_osinfo.simqfrozen |= SIMQFRZ_LOOPDOWN;
221 ISPLOCK_2_CAMLOCK(isp);
222 xpt_freeze_simq(isp->isp_sim, 1);
223 CAMLOCK_2_ISPLOCK(isp);
224 } else {
225 isp_prt(isp, ISP_LOGDEBUG0, "%s: mark frozen (loopdown)", msg);
226 isp->isp_osinfo.simqfrozen |= SIMQFRZ_LOOPDOWN;
227 }
228}
229
230static int
fef8985e 231ispioctl(struct dev_ioctl_args *ap)
984263bc 232{
b13267a5 233 cdev_t dev = ap->a_head.a_dev;
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234 struct ispsoftc *isp;
235 int retval = ENOTTY;
236
237 isp = isplist;
238 while (isp) {
239 if (minor(dev) == device_get_unit(isp->isp_dev)) {
240 break;
241 }
242 isp = isp->isp_osinfo.next;
243 }
244 if (isp == NULL)
245 return (ENXIO);
246
fef8985e 247 switch (ap->a_cmd) {
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248#ifdef ISP_FW_CRASH_DUMP
249 case ISP_GET_FW_CRASH_DUMP:
250 {
251 u_int16_t *ptr = FCPARAM(isp)->isp_dump_data;
252 size_t sz;
253
254 retval = 0;
255 if (IS_2200(isp))
256 sz = QLA2200_RISC_IMAGE_DUMP_SIZE;
257 else
258 sz = QLA2300_RISC_IMAGE_DUMP_SIZE;
259 ISP_LOCK(isp);
260 if (ptr && *ptr) {
261 void *uaddr = *((void **) addr);
262 if (copyout(ptr, uaddr, sz)) {
263 retval = EFAULT;
264 } else {
265 *ptr = 0;
266 }
267 } else {
268 retval = ENXIO;
269 }
270 ISP_UNLOCK(isp);
271 break;
272 }
273
274 case ISP_FORCE_CRASH_DUMP:
275 ISP_LOCK(isp);
276 isp_freeze_loopdown(isp, "ispioctl(ISP_FORCE_CRASH_DUMP)");
277 isp_fw_dump(isp);
278 isp_reinit(isp);
279 ISP_UNLOCK(isp);
280 retval = 0;
281 break;
282#endif
283 case ISP_SDBLEV:
284 {
285 int olddblev = isp->isp_dblev;
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286 isp->isp_dblev = *(int *)ap->a_data;
287 *(int *)ap->a_data = olddblev;
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288 retval = 0;
289 break;
290 }
291 case ISP_RESETHBA:
292 ISP_LOCK(isp);
293 isp_reinit(isp);
294 ISP_UNLOCK(isp);
295 retval = 0;
296 break;
297 case ISP_RESCAN:
298 if (IS_FC(isp)) {
299 ISP_LOCK(isp);
300 if (isp_fc_runstate(isp, 5 * 1000000)) {
301 retval = EIO;
302 } else {
303 retval = 0;
304 }
305 ISP_UNLOCK(isp);
306 }
307 break;
308 case ISP_FC_LIP:
309 if (IS_FC(isp)) {
310 ISP_LOCK(isp);
311 if (isp_control(isp, ISPCTL_SEND_LIP, 0)) {
312 retval = EIO;
313 } else {
314 retval = 0;
315 }
316 ISP_UNLOCK(isp);
317 }
318 break;
319 case ISP_FC_GETDINFO:
320 {
fef8985e 321 struct isp_fc_device *ifc = (struct isp_fc_device *) ap->a_data;
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322 struct lportdb *lp;
323
324 if (ifc->loopid < 0 || ifc->loopid >= MAX_FC_TARG) {
325 retval = EINVAL;
326 break;
327 }
328 ISP_LOCK(isp);
329 lp = &FCPARAM(isp)->portdb[ifc->loopid];
330 if (lp->valid) {
331 ifc->loopid = lp->loopid;
332 ifc->portid = lp->portid;
333 ifc->node_wwn = lp->node_wwn;
334 ifc->port_wwn = lp->port_wwn;
335 retval = 0;
336 } else {
337 retval = ENODEV;
338 }
339 ISP_UNLOCK(isp);
340 break;
341 }
342 case ISP_GET_STATS:
343 {
fef8985e 344 isp_stats_t *sp = (isp_stats_t *) ap->a_data;
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345
346 MEMZERO(sp, sizeof (*sp));
347 sp->isp_stat_version = ISP_STATS_VERSION;
348 sp->isp_type = isp->isp_type;
349 sp->isp_revision = isp->isp_revision;
350 ISP_LOCK(isp);
351 sp->isp_stats[ISP_INTCNT] = isp->isp_intcnt;
352 sp->isp_stats[ISP_INTBOGUS] = isp->isp_intbogus;
353 sp->isp_stats[ISP_INTMBOXC] = isp->isp_intmboxc;
354 sp->isp_stats[ISP_INGOASYNC] = isp->isp_intoasync;
355 sp->isp_stats[ISP_RSLTCCMPLT] = isp->isp_rsltccmplt;
356 sp->isp_stats[ISP_FPHCCMCPLT] = isp->isp_fphccmplt;
357 sp->isp_stats[ISP_RSCCHIWAT] = isp->isp_rscchiwater;
358 sp->isp_stats[ISP_FPCCHIWAT] = isp->isp_fpcchiwater;
359 ISP_UNLOCK(isp);
360 retval = 0;
361 break;
362 }
363 case ISP_CLR_STATS:
364 ISP_LOCK(isp);
365 isp->isp_intcnt = 0;
366 isp->isp_intbogus = 0;
367 isp->isp_intmboxc = 0;
368 isp->isp_intoasync = 0;
369 isp->isp_rsltccmplt = 0;
370 isp->isp_fphccmplt = 0;
371 isp->isp_rscchiwater = 0;
372 isp->isp_fpcchiwater = 0;
373 ISP_UNLOCK(isp);
374 retval = 0;
375 break;
376 case ISP_FC_GETHINFO:
377 {
fef8985e 378 struct isp_hba_device *hba = (struct isp_hba_device *) ap->a_data;
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379 MEMZERO(hba, sizeof (*hba));
380 ISP_LOCK(isp);
381 hba->fc_speed = FCPARAM(isp)->isp_gbspeed;
382 hba->fc_scsi_supported = 1;
383 hba->fc_topology = FCPARAM(isp)->isp_topo + 1;
384 hba->fc_loopid = FCPARAM(isp)->isp_loopid;
385 hba->active_node_wwn = FCPARAM(isp)->isp_nodewwn;
386 hba->active_port_wwn = FCPARAM(isp)->isp_portwwn;
387 ISP_UNLOCK(isp);
388 retval = 0;
389 break;
390 }
391 case ISP_GET_FC_PARAM:
392 {
fef8985e 393 struct isp_fc_param *f = (struct isp_fc_param *) ap->a_data;
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394
395 if (!IS_FC(isp)) {
396 retval = EINVAL;
397 break;
398 }
399 f->parameter = 0;
400 if (strcmp(f->param_name, "framelength") == 0) {
401 f->parameter = FCPARAM(isp)->isp_maxfrmlen;
402 retval = 0;
403 break;
404 }
405 if (strcmp(f->param_name, "exec_throttle") == 0) {
406 f->parameter = FCPARAM(isp)->isp_execthrottle;
407 retval = 0;
408 break;
409 }
410 if (strcmp(f->param_name, "fullduplex") == 0) {
411 if (FCPARAM(isp)->isp_fwoptions & ICBOPT_FULL_DUPLEX)
412 f->parameter = 1;
413 retval = 0;
414 break;
415 }
416 if (strcmp(f->param_name, "loopid") == 0) {
417 f->parameter = FCPARAM(isp)->isp_loopid;
418 retval = 0;
419 break;
420 }
421 retval = EINVAL;
422 break;
423 }
424 case ISP_SET_FC_PARAM:
425 {
fef8985e 426 struct isp_fc_param *f = (struct isp_fc_param *) ap->a_data;
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427 u_int32_t param = f->parameter;
428
429 if (!IS_FC(isp)) {
430 retval = EINVAL;
431 break;
432 }
433 f->parameter = 0;
434 if (strcmp(f->param_name, "framelength") == 0) {
435 if (param != 512 && param != 1024 && param != 1024) {
436 retval = EINVAL;
437 break;
438 }
439 FCPARAM(isp)->isp_maxfrmlen = param;
440 retval = 0;
441 break;
442 }
443 if (strcmp(f->param_name, "exec_throttle") == 0) {
444 if (param < 16 || param > 255) {
445 retval = EINVAL;
446 break;
447 }
448 FCPARAM(isp)->isp_execthrottle = param;
449 retval = 0;
450 break;
451 }
452 if (strcmp(f->param_name, "fullduplex") == 0) {
453 if (param != 0 && param != 1) {
454 retval = EINVAL;
455 break;
456 }
457 if (param) {
458 FCPARAM(isp)->isp_fwoptions |=
459 ICBOPT_FULL_DUPLEX;
460 } else {
461 FCPARAM(isp)->isp_fwoptions &=
462 ~ICBOPT_FULL_DUPLEX;
463 }
464 retval = 0;
465 break;
466 }
467 if (strcmp(f->param_name, "loopid") == 0) {
468 if (param < 0 || param > 125) {
469 retval = EINVAL;
470 break;
471 }
472 FCPARAM(isp)->isp_loopid = param;
473 retval = 0;
474 break;
475 }
476 retval = EINVAL;
477 break;
478 }
479 default:
480 break;
481 }
482 return (retval);
483}
484
485static void
486isp_intr_enable(void *arg)
487{
488 struct ispsoftc *isp = arg;
489 if (isp->isp_role != ISP_ROLE_NONE) {
490 ENABLE_INTS(isp);
491 }
492 /* Release our hook so that the boot can continue. */
493 config_intrhook_disestablish(&isp->isp_osinfo.ehook);
494}
495
496/*
497 * Put the target mode functions here, because some are inlines
498 */
499
500#ifdef ISP_TARGET_MODE
501
502static INLINE int is_lun_enabled(struct ispsoftc *, int, lun_id_t);
503static INLINE int are_any_luns_enabled(struct ispsoftc *, int);
504static INLINE tstate_t *get_lun_statep(struct ispsoftc *, int, lun_id_t);
505static INLINE void rls_lun_statep(struct ispsoftc *, tstate_t *);
506static INLINE int isp_psema_sig_rqe(struct ispsoftc *, int);
507static INLINE int isp_cv_wait_timed_rqe(struct ispsoftc *, int, int);
508static INLINE void isp_cv_signal_rqe(struct ispsoftc *, int, int);
509static INLINE void isp_vsema_rqe(struct ispsoftc *, int);
510static INLINE atio_private_data_t *isp_get_atpd(struct ispsoftc *, int);
511static cam_status
512create_lun_state(struct ispsoftc *, int, struct cam_path *, tstate_t **);
513static void destroy_lun_state(struct ispsoftc *, tstate_t *);
514static void isp_en_lun(struct ispsoftc *, union ccb *);
515static cam_status isp_abort_tgt_ccb(struct ispsoftc *, union ccb *);
516static timeout_t isp_refire_putback_atio;
517static void isp_complete_ctio(union ccb *);
518static void isp_target_putback_atio(union ccb *);
519static cam_status isp_target_start_ctio(struct ispsoftc *, union ccb *);
520static int isp_handle_platform_atio(struct ispsoftc *, at_entry_t *);
521static int isp_handle_platform_atio2(struct ispsoftc *, at2_entry_t *);
522static int isp_handle_platform_ctio(struct ispsoftc *, void *);
523static int isp_handle_platform_notify_scsi(struct ispsoftc *, in_entry_t *);
524static int isp_handle_platform_notify_fc(struct ispsoftc *, in_fcentry_t *);
525
526static INLINE int
527is_lun_enabled(struct ispsoftc *isp, int bus, lun_id_t lun)
528{
529 tstate_t *tptr;
530 tptr = isp->isp_osinfo.lun_hash[LUN_HASH_FUNC(isp, bus, lun)];
531 if (tptr == NULL) {
532 return (0);
533 }
534 do {
535 if (tptr->lun == (lun_id_t) lun && tptr->bus == bus) {
536 return (1);
537 }
538 } while ((tptr = tptr->next) != NULL);
539 return (0);
540}
541
542static INLINE int
543are_any_luns_enabled(struct ispsoftc *isp, int port)
544{
545 int lo, hi;
546 if (IS_DUALBUS(isp)) {
547 lo = (port * (LUN_HASH_SIZE >> 1));
548 hi = lo + (LUN_HASH_SIZE >> 1);
549 } else {
550 lo = 0;
551 hi = LUN_HASH_SIZE;
552 }
553 for (lo = 0; lo < hi; lo++) {
554 if (isp->isp_osinfo.lun_hash[lo]) {
555 return (1);
556 }
557 }
558 return (0);
559}
560
561static INLINE tstate_t *
562get_lun_statep(struct ispsoftc *isp, int bus, lun_id_t lun)
563{
564 tstate_t *tptr = NULL;
565
566 if (lun == CAM_LUN_WILDCARD) {
567 if (isp->isp_osinfo.tmflags[bus] & TM_WILDCARD_ENABLED) {
568 tptr = &isp->isp_osinfo.tsdflt[bus];
569 tptr->hold++;
570 return (tptr);
571 }
572 } else {
573 tptr = isp->isp_osinfo.lun_hash[LUN_HASH_FUNC(isp, bus, lun)];
574 if (tptr == NULL) {
575 return (NULL);
576 }
577 }
578
579 do {
580 if (tptr->lun == lun && tptr->bus == bus) {
581 tptr->hold++;
582 return (tptr);
583 }
584 } while ((tptr = tptr->next) != NULL);
585 return (tptr);
586}
587
588static __inline void
589rls_lun_statep(struct ispsoftc *isp, tstate_t *tptr)
590{
591 if (tptr->hold)
592 tptr->hold--;
593}
594
595static __inline int
596isp_psema_sig_rqe(struct ispsoftc *isp, int bus)
597{
598 while (isp->isp_osinfo.tmflags[bus] & TM_BUSY) {
599 isp->isp_osinfo.tmflags[bus] |= TM_WANTED;
377d4740 600 if (tsleep(&isp->isp_osinfo.tmflags[bus], PCATCH, "i0", 0)) {
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601 return (-1);
602 }
603 isp->isp_osinfo.tmflags[bus] |= TM_BUSY;
604 }
605 return (0);
606}
607
608static __inline int
609isp_cv_wait_timed_rqe(struct ispsoftc *isp, int bus, int timo)
610{
377d4740 611 if (tsleep(&isp->isp_osinfo.rstatus[bus], 0, "qt1", timo)) {
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612 return (-1);
613 }
614 return (0);
615}
616
617static __inline void
618isp_cv_signal_rqe(struct ispsoftc *isp, int bus, int status)
619{
620 isp->isp_osinfo.rstatus[bus] = status;
621 wakeup(&isp->isp_osinfo.rstatus[bus]);
622}
623
624static __inline void
625isp_vsema_rqe(struct ispsoftc *isp, int bus)
626{
627 if (isp->isp_osinfo.tmflags[bus] & TM_WANTED) {
628 isp->isp_osinfo.tmflags[bus] &= ~TM_WANTED;
629 wakeup(&isp->isp_osinfo.tmflags[bus]);
630 }
631 isp->isp_osinfo.tmflags[bus] &= ~TM_BUSY;
632}
633
634static __inline atio_private_data_t *
635isp_get_atpd(struct ispsoftc *isp, int tag)
636{
637 atio_private_data_t *atp;
638 for (atp = isp->isp_osinfo.atpdp;
639 atp < &isp->isp_osinfo.atpdp[ATPDPSIZE]; atp++) {
640 if (atp->tag == tag)
641 return (atp);
642 }
643 return (NULL);
644}
645
646static cam_status
647create_lun_state(struct ispsoftc *isp, int bus,
648 struct cam_path *path, tstate_t **rslt)
649{
650 cam_status status;
651 lun_id_t lun;
652 int hfx;
653 tstate_t *tptr, *new;
654
655 lun = xpt_path_lun_id(path);
656 if (lun < 0) {
657 return (CAM_LUN_INVALID);
658 }
659 if (is_lun_enabled(isp, bus, lun)) {
660 return (CAM_LUN_ALRDY_ENA);
661 }
efda3bd0 662 new = kmalloc(sizeof (tstate_t), M_DEVBUF, M_WAITOK | M_ZERO);
984263bc
MD
663 status = xpt_create_path(&new->owner, NULL, xpt_path_path_id(path),
664 xpt_path_target_id(path), xpt_path_lun_id(path));
665 if (status != CAM_REQ_CMP) {
efda3bd0 666 kfree(new, M_DEVBUF);
984263bc
MD
667 return (status);
668 }
669 new->bus = bus;
670 new->lun = lun;
671 SLIST_INIT(&new->atios);
672 SLIST_INIT(&new->inots);
673 new->hold = 1;
674
675 hfx = LUN_HASH_FUNC(isp, new->bus, new->lun);
676 tptr = isp->isp_osinfo.lun_hash[hfx];
677 if (tptr == NULL) {
678 isp->isp_osinfo.lun_hash[hfx] = new;
679 } else {
680 while (tptr->next)
681 tptr = tptr->next;
682 tptr->next = new;
683 }
684 *rslt = new;
685 return (CAM_REQ_CMP);
686}
687
688static INLINE void
689destroy_lun_state(struct ispsoftc *isp, tstate_t *tptr)
690{
691 int hfx;
692 tstate_t *lw, *pw;
693
694 hfx = LUN_HASH_FUNC(isp, tptr->bus, tptr->lun);
695 if (tptr->hold) {
696 return;
697 }
698 pw = isp->isp_osinfo.lun_hash[hfx];
699 if (pw == NULL) {
700 return;
701 } else if (pw->lun == tptr->lun && pw->bus == tptr->bus) {
702 isp->isp_osinfo.lun_hash[hfx] = pw->next;
703 } else {
704 lw = pw;
705 pw = lw->next;
706 while (pw) {
707 if (pw->lun == tptr->lun && pw->bus == tptr->bus) {
708 lw->next = pw->next;
709 break;
710 }
711 lw = pw;
712 pw = pw->next;
713 }
714 if (pw == NULL) {
715 return;
716 }
717 }
efda3bd0 718 kfree(tptr, M_DEVBUF);
984263bc
MD
719}
720
721/*
722 * we enter with our locks held.
723 */
724static void
725isp_en_lun(struct ispsoftc *isp, union ccb *ccb)
726{
727 const char lfmt[] = "Lun now %sabled for target mode on channel %d";
728 struct ccb_en_lun *cel = &ccb->cel;
729 tstate_t *tptr;
730 u_int16_t rstat;
731 int bus, cmd, av, wildcard;
732 lun_id_t lun;
733 target_id_t tgt;
734
735
736 bus = XS_CHANNEL(ccb) & 0x1;
737 tgt = ccb->ccb_h.target_id;
738 lun = ccb->ccb_h.target_lun;
739
740 /*
741 * Do some sanity checking first.
742 */
743
744 if ((lun != CAM_LUN_WILDCARD) &&
745 (lun < 0 || lun >= (lun_id_t) isp->isp_maxluns)) {
746 ccb->ccb_h.status = CAM_LUN_INVALID;
747 return;
748 }
749
750 if (IS_SCSI(isp)) {
751 sdparam *sdp = isp->isp_param;
752 sdp += bus;
753 if (tgt != CAM_TARGET_WILDCARD &&
754 tgt != sdp->isp_initiator_id) {
755 ccb->ccb_h.status = CAM_TID_INVALID;
756 return;
757 }
758 } else {
759 if (tgt != CAM_TARGET_WILDCARD &&
760 tgt != FCPARAM(isp)->isp_iid) {
761 ccb->ccb_h.status = CAM_TID_INVALID;
762 return;
763 }
764 /*
765 * This is as a good a place as any to check f/w capabilities.
766 */
767 if ((FCPARAM(isp)->isp_fwattr & ISP_FW_ATTR_TMODE) == 0) {
768 isp_prt(isp, ISP_LOGERR,
769 "firmware does not support target mode");
770 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
771 return;
772 }
773 /*
774 * XXX: We *could* handle non-SCCLUN f/w, but we'd have to
775 * XXX: dorks with our already fragile enable/disable code.
776 */
777 if ((FCPARAM(isp)->isp_fwattr & ISP_FW_ATTR_SCCLUN) == 0) {
778 isp_prt(isp, ISP_LOGERR,
779 "firmware not SCCLUN capable");
780 }
781 }
782
783 if (tgt == CAM_TARGET_WILDCARD) {
784 if (lun == CAM_LUN_WILDCARD) {
785 wildcard = 1;
786 } else {
787 ccb->ccb_h.status = CAM_LUN_INVALID;
788 return;
789 }
790 } else {
791 wildcard = 0;
792 }
793
794 /*
795 * Next check to see whether this is a target/lun wildcard action.
796 *
797 * If so, we know that we can accept commands for luns that haven't
798 * been enabled yet and send them upstream. Otherwise, we have to
799 * handle them locally (if we see them at all).
800 */
801
802 if (wildcard) {
803 tptr = &isp->isp_osinfo.tsdflt[bus];
804 if (cel->enable) {
805 if (isp->isp_osinfo.tmflags[bus] &
806 TM_WILDCARD_ENABLED) {
807 ccb->ccb_h.status = CAM_LUN_ALRDY_ENA;
808 return;
809 }
810 ccb->ccb_h.status =
811 xpt_create_path(&tptr->owner, NULL,
812 xpt_path_path_id(ccb->ccb_h.path),
813 xpt_path_target_id(ccb->ccb_h.path),
814 xpt_path_lun_id(ccb->ccb_h.path));
815 if (ccb->ccb_h.status != CAM_REQ_CMP) {
816 return;
817 }
818 SLIST_INIT(&tptr->atios);
819 SLIST_INIT(&tptr->inots);
820 isp->isp_osinfo.tmflags[bus] |= TM_WILDCARD_ENABLED;
821 } else {
822 if ((isp->isp_osinfo.tmflags[bus] &
823 TM_WILDCARD_ENABLED) == 0) {
824 ccb->ccb_h.status = CAM_REQ_CMP;
825 return;
826 }
827 if (tptr->hold) {
828 ccb->ccb_h.status = CAM_SCSI_BUSY;
829 return;
830 }
831 xpt_free_path(tptr->owner);
832 isp->isp_osinfo.tmflags[bus] &= ~TM_WILDCARD_ENABLED;
833 }
834 }
835
836 /*
837 * Now check to see whether this bus needs to be
838 * enabled/disabled with respect to target mode.
839 */
840 av = bus << 31;
841 if (cel->enable && !(isp->isp_osinfo.tmflags[bus] & TM_TMODE_ENABLED)) {
842 av |= ENABLE_TARGET_FLAG;
843 av = isp_control(isp, ISPCTL_TOGGLE_TMODE, &av);
844 if (av) {
845 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
846 if (wildcard) {
847 isp->isp_osinfo.tmflags[bus] &=
848 ~TM_WILDCARD_ENABLED;
849 xpt_free_path(tptr->owner);
850 }
851 return;
852 }
853 isp->isp_osinfo.tmflags[bus] |= TM_TMODE_ENABLED;
854 isp_prt(isp, ISP_LOGINFO,
855 "Target Mode enabled on channel %d", bus);
856 } else if (cel->enable == 0 &&
857 (isp->isp_osinfo.tmflags[bus] & TM_TMODE_ENABLED) && wildcard) {
858 if (are_any_luns_enabled(isp, bus)) {
859 ccb->ccb_h.status = CAM_SCSI_BUSY;
860 return;
861 }
862 av = isp_control(isp, ISPCTL_TOGGLE_TMODE, &av);
863 if (av) {
864 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
865 return;
866 }
867 isp->isp_osinfo.tmflags[bus] &= ~TM_TMODE_ENABLED;
868 isp_prt(isp, ISP_LOGINFO,
869 "Target Mode disabled on channel %d", bus);
870 }
871
872 if (wildcard) {
873 ccb->ccb_h.status = CAM_REQ_CMP;
874 return;
875 }
876
877 if (cel->enable) {
878 ccb->ccb_h.status =
879 create_lun_state(isp, bus, ccb->ccb_h.path, &tptr);
880 if (ccb->ccb_h.status != CAM_REQ_CMP) {
881 return;
882 }
883 } else {
884 tptr = get_lun_statep(isp, bus, lun);
885 if (tptr == NULL) {
886 ccb->ccb_h.status = CAM_LUN_INVALID;
887 return;
888 }
889 }
890
891 if (isp_psema_sig_rqe(isp, bus)) {
892 rls_lun_statep(isp, tptr);
893 if (cel->enable)
894 destroy_lun_state(isp, tptr);
895 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
896 return;
897 }
898
899 if (cel->enable) {
900 u_int32_t seq = isp->isp_osinfo.rollinfo++;
901 int c, n, ulun = lun;
902
903 cmd = RQSTYPE_ENABLE_LUN;
904 c = DFLT_CMND_CNT;
905 n = DFLT_INOT_CNT;
906 if (IS_FC(isp) && lun != 0) {
907 cmd = RQSTYPE_MODIFY_LUN;
908 n = 0;
909 /*
910 * For SCC firmware, we only deal with setting
911 * (enabling or modifying) lun 0.
912 */
913 ulun = 0;
914 }
915 rstat = LUN_ERR;
916 if (isp_lun_cmd(isp, cmd, bus, tgt, ulun, c, n, seq)) {
917 xpt_print_path(ccb->ccb_h.path);
918 isp_prt(isp, ISP_LOGWARN, "isp_lun_cmd failed");
919 goto out;
920 }
921 if (isp_cv_wait_timed_rqe(isp, bus, 30 * hz)) {
922 xpt_print_path(ccb->ccb_h.path);
923 isp_prt(isp, ISP_LOGERR,
924 "wait for ENABLE/MODIFY LUN timed out");
925 goto out;
926 }
927 rstat = isp->isp_osinfo.rstatus[bus];
928 if (rstat != LUN_OK) {
929 xpt_print_path(ccb->ccb_h.path);
930 isp_prt(isp, ISP_LOGERR,
931 "ENABLE/MODIFY LUN returned 0x%x", rstat);
932 goto out;
933 }
934 } else {
935 int c, n, ulun = lun;
936 u_int32_t seq;
937
938 rstat = LUN_ERR;
939 seq = isp->isp_osinfo.rollinfo++;
940 cmd = -RQSTYPE_MODIFY_LUN;
941
942 c = DFLT_CMND_CNT;
943 n = DFLT_INOT_CNT;
944 if (IS_FC(isp) && lun != 0) {
945 n = 0;
946 /*
947 * For SCC firmware, we only deal with setting
948 * (enabling or modifying) lun 0.
949 */
950 ulun = 0;
951 }
952 if (isp_lun_cmd(isp, cmd, bus, tgt, ulun, c, n, seq)) {
953 xpt_print_path(ccb->ccb_h.path);
954 isp_prt(isp, ISP_LOGERR, "isp_lun_cmd failed");
955 goto out;
956 }
957 if (isp_cv_wait_timed_rqe(isp, bus, 30 * hz)) {
958 xpt_print_path(ccb->ccb_h.path);
959 isp_prt(isp, ISP_LOGERR,
960 "wait for MODIFY LUN timed out");
961 goto out;
962 }
963 rstat = isp->isp_osinfo.rstatus[bus];
964 if (rstat != LUN_OK) {
965 xpt_print_path(ccb->ccb_h.path);
966 isp_prt(isp, ISP_LOGERR,
967 "MODIFY LUN returned 0x%x", rstat);
968 goto out;
969 }
970 if (IS_FC(isp) && lun) {
971 goto out;
972 }
973
974 seq = isp->isp_osinfo.rollinfo++;
975
976 rstat = LUN_ERR;
977 cmd = -RQSTYPE_ENABLE_LUN;
978 if (isp_lun_cmd(isp, cmd, bus, tgt, lun, 0, 0, seq)) {
979 xpt_print_path(ccb->ccb_h.path);
980 isp_prt(isp, ISP_LOGERR, "isp_lun_cmd failed");
981 goto out;
982 }
983 if (isp_cv_wait_timed_rqe(isp, bus, 30 * hz)) {
984 xpt_print_path(ccb->ccb_h.path);
985 isp_prt(isp, ISP_LOGERR,
986 "wait for DISABLE LUN timed out");
987 goto out;
988 }
989 rstat = isp->isp_osinfo.rstatus[bus];
990 if (rstat != LUN_OK) {
991 xpt_print_path(ccb->ccb_h.path);
992 isp_prt(isp, ISP_LOGWARN,
993 "DISABLE LUN returned 0x%x", rstat);
994 goto out;
995 }
996 if (are_any_luns_enabled(isp, bus) == 0) {
997 av = isp_control(isp, ISPCTL_TOGGLE_TMODE, &av);
998 if (av) {
999 isp_prt(isp, ISP_LOGWARN,
1000 "disable target mode on channel %d failed",
1001 bus);
1002 goto out;
1003 }
1004 isp->isp_osinfo.tmflags[bus] &= ~TM_TMODE_ENABLED;
1005 xpt_print_path(ccb->ccb_h.path);
1006 isp_prt(isp, ISP_LOGINFO,
1007 "Target Mode disabled on channel %d", bus);
1008 }
1009 }
1010
1011out:
1012 isp_vsema_rqe(isp, bus);
1013
1014 if (rstat != LUN_OK) {
1015 xpt_print_path(ccb->ccb_h.path);
1016 isp_prt(isp, ISP_LOGWARN,
1017 "lun %sable failed", (cel->enable) ? "en" : "dis");
1018 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1019 rls_lun_statep(isp, tptr);
1020 if (cel->enable)
1021 destroy_lun_state(isp, tptr);
1022 } else {
1023 xpt_print_path(ccb->ccb_h.path);
1024 isp_prt(isp, ISP_LOGINFO, lfmt,
1025 (cel->enable) ? "en" : "dis", bus);
1026 rls_lun_statep(isp, tptr);
1027 if (cel->enable == 0) {
1028 destroy_lun_state(isp, tptr);
1029 }
1030 ccb->ccb_h.status = CAM_REQ_CMP;
1031 }
1032}
1033
1034static cam_status
1035isp_abort_tgt_ccb(struct ispsoftc *isp, union ccb *ccb)
1036{
1037 tstate_t *tptr;
1038 struct ccb_hdr_slist *lp;
1039 struct ccb_hdr *curelm;
1040 int found;
1041 union ccb *accb = ccb->cab.abort_ccb;
1042
1043 if (accb->ccb_h.target_id != CAM_TARGET_WILDCARD) {
1044 if (IS_FC(isp) && (accb->ccb_h.target_id !=
1045 ((fcparam *) isp->isp_param)->isp_loopid)) {
1046 return (CAM_PATH_INVALID);
1047 } else if (IS_SCSI(isp) && (accb->ccb_h.target_id !=
1048 ((sdparam *) isp->isp_param)->isp_initiator_id)) {
1049 return (CAM_PATH_INVALID);
1050 }
1051 }
1052 tptr = get_lun_statep(isp, XS_CHANNEL(ccb), accb->ccb_h.target_lun);
1053 if (tptr == NULL) {
1054 return (CAM_PATH_INVALID);
1055 }
1056 if (accb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) {
1057 lp = &tptr->atios;
1058 } else if (accb->ccb_h.func_code == XPT_IMMED_NOTIFY) {
1059 lp = &tptr->inots;
1060 } else {
1061 rls_lun_statep(isp, tptr);
1062 return (CAM_UA_ABORT);
1063 }
1064 curelm = SLIST_FIRST(lp);
1065 found = 0;
1066 if (curelm == &accb->ccb_h) {
1067 found = 1;
1068 SLIST_REMOVE_HEAD(lp, sim_links.sle);
1069 } else {
1070 while(curelm != NULL) {
1071 struct ccb_hdr *nextelm;
1072
1073 nextelm = SLIST_NEXT(curelm, sim_links.sle);
1074 if (nextelm == &accb->ccb_h) {
1075 found = 1;
1076 SLIST_NEXT(curelm, sim_links.sle) =
1077 SLIST_NEXT(nextelm, sim_links.sle);
1078 break;
1079 }
1080 curelm = nextelm;
1081 }
1082 }
1083 rls_lun_statep(isp, tptr);
1084 if (found) {
1085 accb->ccb_h.status = CAM_REQ_ABORTED;
1086 return (CAM_REQ_CMP);
1087 }
1088 return(CAM_PATH_INVALID);
1089}
1090
1091static cam_status
1092isp_target_start_ctio(struct ispsoftc *isp, union ccb *ccb)
1093{
1094 void *qe;
1095 struct ccb_scsiio *cso = &ccb->csio;
1096 u_int16_t *hp, save_handle;
1097 u_int16_t nxti, optr;
1098 u_int8_t local[QENTRY_LEN];
1099
1100
1101 if (isp_getrqentry(isp, &nxti, &optr, &qe)) {
1102 xpt_print_path(ccb->ccb_h.path);
1103 printf("Request Queue Overflow in isp_target_start_ctio\n");
1104 return (CAM_RESRC_UNAVAIL);
1105 }
1106 bzero(local, QENTRY_LEN);
1107
1108 /*
1109 * We're either moving data or completing a command here.
1110 */
1111
1112 if (IS_FC(isp)) {
1113 atio_private_data_t *atp;
1114 ct2_entry_t *cto = (ct2_entry_t *) local;
1115
1116 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO2;
1117 cto->ct_header.rqs_entry_count = 1;
1118 cto->ct_iid = cso->init_id;
1119 if ((FCPARAM(isp)->isp_fwattr & ISP_FW_ATTR_SCCLUN) == 0) {
1120 cto->ct_lun = ccb->ccb_h.target_lun;
1121 }
1122
1123 atp = isp_get_atpd(isp, cso->tag_id);
1124 if (atp == NULL) {
1125 isp_prt(isp, ISP_LOGERR,
1126 "cannot find private data adjunct for tag %x",
1127 cso->tag_id);
1128 return (-1);
1129 }
1130
1131 cto->ct_rxid = cso->tag_id;
1132 if (cso->dxfer_len == 0) {
1133 cto->ct_flags |= CT2_FLAG_MODE1 | CT2_NO_DATA;
1134 if (ccb->ccb_h.flags & CAM_SEND_STATUS) {
1135 cto->ct_flags |= CT2_SENDSTATUS;
1136 cto->rsp.m1.ct_scsi_status = cso->scsi_status;
1137 cto->ct_resid =
1138 atp->orig_datalen - atp->bytes_xfered;
1139 if (cto->ct_resid < 0) {
1140 cto->rsp.m1.ct_scsi_status |=
1141 CT2_DATA_OVER;
1142 } else if (cto->ct_resid > 0) {
1143 cto->rsp.m1.ct_scsi_status |=
1144 CT2_DATA_UNDER;
1145 }
1146 }
1147 if ((ccb->ccb_h.flags & CAM_SEND_SENSE) != 0) {
1148 int m = min(cso->sense_len, MAXRESPLEN);
1149 bcopy(&cso->sense_data, cto->rsp.m1.ct_resp, m);
1150 cto->rsp.m1.ct_senselen = m;
1151 cto->rsp.m1.ct_scsi_status |= CT2_SNSLEN_VALID;
1152 }
1153 } else {
1154 cto->ct_flags |= CT2_FLAG_MODE0;
1155 if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1156 cto->ct_flags |= CT2_DATA_IN;
1157 } else {
1158 cto->ct_flags |= CT2_DATA_OUT;
1159 }
1160 cto->ct_reloff = atp->bytes_xfered;
1161 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) != 0) {
1162 cto->ct_flags |= CT2_SENDSTATUS;
1163 cto->rsp.m0.ct_scsi_status = cso->scsi_status;
1164 cto->ct_resid =
1165 atp->orig_datalen -
1166 (atp->bytes_xfered + cso->dxfer_len);
1167 if (cto->ct_resid < 0) {
1168 cto->rsp.m0.ct_scsi_status |=
1169 CT2_DATA_OVER;
1170 } else if (cto->ct_resid > 0) {
1171 cto->rsp.m0.ct_scsi_status |=
1172 CT2_DATA_UNDER;
1173 }
1174 } else {
1175 atp->last_xframt = cso->dxfer_len;
1176 }
1177 /*
1178 * If we're sending data and status back together,
1179 * we can't also send back sense data as well.
1180 */
1181 ccb->ccb_h.flags &= ~CAM_SEND_SENSE;
1182 }
1183
1184 if (cto->ct_flags & CT2_SENDSTATUS) {
1185 isp_prt(isp, ISP_LOGTDEBUG0,
1186 "CTIO2[%x] STATUS %x origd %u curd %u resid %u",
1187 cto->ct_rxid, cso->scsi_status, atp->orig_datalen,
1188 cso->dxfer_len, cto->ct_resid);
1189 cto->ct_flags |= CT2_CCINCR;
1190 atp->state = ATPD_STATE_LAST_CTIO;
1191 } else
1192 atp->state = ATPD_STATE_CTIO;
1193 cto->ct_timeout = 10;
1194 hp = &cto->ct_syshandle;
1195 } else {
1196 ct_entry_t *cto = (ct_entry_t *) local;
1197
1198 cto->ct_header.rqs_entry_type = RQSTYPE_CTIO;
1199 cto->ct_header.rqs_entry_count = 1;
1200 cto->ct_iid = cso->init_id;
1201 cto->ct_iid |= XS_CHANNEL(ccb) << 7;
1202 cto->ct_tgt = ccb->ccb_h.target_id;
1203 cto->ct_lun = ccb->ccb_h.target_lun;
1204 cto->ct_fwhandle = AT_GET_HANDLE(cso->tag_id);
1205 if (AT_HAS_TAG(cso->tag_id)) {
1206 cto->ct_tag_val = (u_int8_t) AT_GET_TAG(cso->tag_id);
1207 cto->ct_flags |= CT_TQAE;
1208 }
1209 if (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) {
1210 cto->ct_flags |= CT_NODISC;
1211 }
1212 if (cso->dxfer_len == 0) {
1213 cto->ct_flags |= CT_NO_DATA;
1214 } else if ((cso->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1215 cto->ct_flags |= CT_DATA_IN;
1216 } else {
1217 cto->ct_flags |= CT_DATA_OUT;
1218 }
1219 if (ccb->ccb_h.flags & CAM_SEND_STATUS) {
1220 cto->ct_flags |= CT_SENDSTATUS|CT_CCINCR;
1221 cto->ct_scsi_status = cso->scsi_status;
1222 cto->ct_resid = cso->resid;
1223 isp_prt(isp, ISP_LOGTDEBUG0,
1224 "CTIO[%x] SCSI STATUS 0x%x resid %d tag_id %x",
1225 cto->ct_fwhandle, cso->scsi_status, cso->resid,
1226 cso->tag_id);
1227 }
1228 ccb->ccb_h.flags &= ~CAM_SEND_SENSE;
1229 cto->ct_timeout = 10;
1230 hp = &cto->ct_syshandle;
1231 }
1232
1233 if (isp_save_xs(isp, (XS_T *)ccb, hp)) {
1234 xpt_print_path(ccb->ccb_h.path);
1235 printf("No XFLIST pointers for isp_target_start_ctio\n");
1236 return (CAM_RESRC_UNAVAIL);
1237 }
1238
1239
1240 /*
1241 * Call the dma setup routines for this entry (and any subsequent
1242 * CTIOs) if there's data to move, and then tell the f/w it's got
1243 * new things to play with. As with isp_start's usage of DMA setup,
1244 * any swizzling is done in the machine dependent layer. Because
1245 * of this, we put the request onto the queue area first in native
1246 * format.
1247 */
1248
1249 save_handle = *hp;
1250
1251 switch (ISP_DMASETUP(isp, cso, (ispreq_t *) local, &nxti, optr)) {
1252 case CMD_QUEUED:
1253 ISP_ADD_REQUEST(isp, nxti);
1254 return (CAM_REQ_INPROG);
1255
1256 case CMD_EAGAIN:
1257 ccb->ccb_h.status = CAM_RESRC_UNAVAIL;
1258 isp_destroy_handle(isp, save_handle);
1259 return (CAM_RESRC_UNAVAIL);
1260
1261 default:
1262 isp_destroy_handle(isp, save_handle);
1263 return (XS_ERR(ccb));
1264 }
1265}
1266
1267static void
1268isp_refire_putback_atio(void *arg)
1269{
fbe276c7 1270 crit_enter();
984263bc 1271 isp_target_putback_atio(arg);
fbe276c7 1272 crit_exit();
984263bc
MD
1273}
1274
1275static void
1276isp_target_putback_atio(union ccb *ccb)
1277{
1278 struct ispsoftc *isp;
1279 struct ccb_scsiio *cso;
1280 u_int16_t nxti, optr;
1281 void *qe;
1282
1283 isp = XS_ISP(ccb);
1284
1285 if (isp_getrqentry(isp, &nxti, &optr, &qe)) {
1286 (void) timeout(isp_refire_putback_atio, ccb, 10);
1287 isp_prt(isp, ISP_LOGWARN,
1288 "isp_target_putback_atio: Request Queue Overflow");
1289 return;
1290 }
1291 bzero(qe, QENTRY_LEN);
1292 cso = &ccb->csio;
1293 if (IS_FC(isp)) {
1294 at2_entry_t local, *at = &local;
1295 MEMZERO(at, sizeof (at2_entry_t));
1296 at->at_header.rqs_entry_type = RQSTYPE_ATIO2;
1297 at->at_header.rqs_entry_count = 1;
1298 if ((FCPARAM(isp)->isp_fwattr & ISP_FW_ATTR_SCCLUN) != 0) {
1299 at->at_scclun = (uint16_t) ccb->ccb_h.target_lun;
1300 } else {
1301 at->at_lun = (uint8_t) ccb->ccb_h.target_lun;
1302 }
1303 at->at_status = CT_OK;
1304 at->at_rxid = cso->tag_id;
1305 at->at_iid = cso->ccb_h.target_id;
1306 isp_put_atio2(isp, at, qe);
1307 } else {
1308 at_entry_t local, *at = &local;
1309 MEMZERO(at, sizeof (at_entry_t));
1310 at->at_header.rqs_entry_type = RQSTYPE_ATIO;
1311 at->at_header.rqs_entry_count = 1;
1312 at->at_iid = cso->init_id;
1313 at->at_iid |= XS_CHANNEL(ccb) << 7;
1314 at->at_tgt = cso->ccb_h.target_id;
1315 at->at_lun = cso->ccb_h.target_lun;
1316 at->at_status = CT_OK;
1317 at->at_tag_val = AT_GET_TAG(cso->tag_id);
1318 at->at_handle = AT_GET_HANDLE(cso->tag_id);
1319 isp_put_atio(isp, at, qe);
1320 }
1321 ISP_TDQE(isp, "isp_target_putback_atio", (int) optr, qe);
1322 ISP_ADD_REQUEST(isp, nxti);
1323 isp_complete_ctio(ccb);
1324}
1325
1326static void
1327isp_complete_ctio(union ccb *ccb)
1328{
1329 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG) {
1330 ccb->ccb_h.status |= CAM_REQ_CMP;
1331 }
1332 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1333 xpt_done(ccb);
1334}
1335
1336/*
1337 * Handle ATIO stuff that the generic code can't.
1338 * This means handling CDBs.
1339 */
1340
1341static int
1342isp_handle_platform_atio(struct ispsoftc *isp, at_entry_t *aep)
1343{
1344 tstate_t *tptr;
1345 int status, bus, iswildcard;
1346 struct ccb_accept_tio *atiop;
1347
1348 /*
1349 * The firmware status (except for the QLTM_SVALID bit)
1350 * indicates why this ATIO was sent to us.
1351 *
1352 * If QLTM_SVALID is set, the firware has recommended Sense Data.
1353 *
1354 * If the DISCONNECTS DISABLED bit is set in the flags field,
1355 * we're still connected on the SCSI bus.
1356 */
1357 status = aep->at_status;
1358 if ((status & ~QLTM_SVALID) == AT_PHASE_ERROR) {
1359 /*
1360 * Bus Phase Sequence error. We should have sense data
1361 * suggested by the f/w. I'm not sure quite yet what
1362 * to do about this for CAM.
1363 */
1364 isp_prt(isp, ISP_LOGWARN, "PHASE ERROR");
1365 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1366 return (0);
1367 }
1368 if ((status & ~QLTM_SVALID) != AT_CDB) {
1369 isp_prt(isp, ISP_LOGWARN, "bad atio (0x%x) leaked to platform",
1370 status);
1371 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1372 return (0);
1373 }
1374
1375 bus = GET_BUS_VAL(aep->at_iid);
1376 tptr = get_lun_statep(isp, bus, aep->at_lun);
1377 if (tptr == NULL) {
1378 tptr = get_lun_statep(isp, bus, CAM_LUN_WILDCARD);
1379 iswildcard = 1;
1380 } else {
1381 iswildcard = 0;
1382 }
1383
1384 if (tptr == NULL) {
1385 /*
1386 * Because we can't autofeed sense data back with
1387 * a command for parallel SCSI, we can't give back
1388 * a CHECK CONDITION. We'll give back a BUSY status
1389 * instead. This works out okay because the only
1390 * time we should, in fact, get this, is in the
1391 * case that somebody configured us without the
1392 * blackhole driver, so they get what they deserve.
1393 */
1394 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1395 return (0);
1396 }
1397
1398 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
1399 if (atiop == NULL) {
1400 /*
1401 * Because we can't autofeed sense data back with
1402 * a command for parallel SCSI, we can't give back
1403 * a CHECK CONDITION. We'll give back a QUEUE FULL status
1404 * instead. This works out okay because the only time we
1405 * should, in fact, get this, is in the case that we've
1406 * run out of ATIOS.
1407 */
1408 xpt_print_path(tptr->owner);
1409 isp_prt(isp, ISP_LOGWARN,
1410 "no ATIOS for lun %d from initiator %d on channel %d",
1411 aep->at_lun, GET_IID_VAL(aep->at_iid), bus);
1412 if (aep->at_flags & AT_TQAE)
1413 isp_endcmd(isp, aep, SCSI_STATUS_QUEUE_FULL, 0);
1414 else
1415 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1416 rls_lun_statep(isp, tptr);
1417 return (0);
1418 }
1419 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
1420 if (iswildcard) {
1421 atiop->ccb_h.target_id = aep->at_tgt;
1422 atiop->ccb_h.target_lun = aep->at_lun;
1423 }
1424 if (aep->at_flags & AT_NODISC) {
1425 atiop->ccb_h.flags = CAM_DIS_DISCONNECT;
1426 } else {
1427 atiop->ccb_h.flags = 0;
1428 }
1429
1430 if (status & QLTM_SVALID) {
1431 size_t amt = imin(QLTM_SENSELEN, sizeof (atiop->sense_data));
1432 atiop->sense_len = amt;
1433 MEMCPY(&atiop->sense_data, aep->at_sense, amt);
1434 } else {
1435 atiop->sense_len = 0;
1436 }
1437
1438 atiop->init_id = GET_IID_VAL(aep->at_iid);
1439 atiop->cdb_len = aep->at_cdblen;
1440 MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, aep->at_cdblen);
1441 atiop->ccb_h.status = CAM_CDB_RECVD;
1442 /*
1443 * Construct a tag 'id' based upon tag value (which may be 0..255)
1444 * and the handle (which we have to preserve).
1445 */
1446 AT_MAKE_TAGID(atiop->tag_id, aep);
1447 if (aep->at_flags & AT_TQAE) {
1448 atiop->tag_action = aep->at_tag_type;
1449 atiop->ccb_h.status |= CAM_TAG_ACTION_VALID;
1450 }
1451 xpt_done((union ccb*)atiop);
1452 isp_prt(isp, ISP_LOGTDEBUG0,
1453 "ATIO[%x] CDB=0x%x bus %d iid%d->lun%d tag 0x%x ttype 0x%x %s",
1454 aep->at_handle, aep->at_cdb[0] & 0xff, GET_BUS_VAL(aep->at_iid),
1455 GET_IID_VAL(aep->at_iid), aep->at_lun, aep->at_tag_val & 0xff,
1456 aep->at_tag_type, (aep->at_flags & AT_NODISC)?
1457 "nondisc" : "disconnecting");
1458 rls_lun_statep(isp, tptr);
1459 return (0);
1460}
1461
1462static int
1463isp_handle_platform_atio2(struct ispsoftc *isp, at2_entry_t *aep)
1464{
1465 lun_id_t lun;
1466 tstate_t *tptr;
1467 struct ccb_accept_tio *atiop;
1468 atio_private_data_t *atp;
1469
1470 /*
1471 * The firmware status (except for the QLTM_SVALID bit)
1472 * indicates why this ATIO was sent to us.
1473 *
1474 * If QLTM_SVALID is set, the firware has recommended Sense Data.
1475 */
1476 if ((aep->at_status & ~QLTM_SVALID) != AT_CDB) {
1477 isp_prt(isp, ISP_LOGWARN,
1478 "bogus atio (0x%x) leaked to platform", aep->at_status);
1479 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1480 return (0);
1481 }
1482
1483 if ((FCPARAM(isp)->isp_fwattr & ISP_FW_ATTR_SCCLUN) != 0) {
1484 lun = aep->at_scclun;
1485 } else {
1486 lun = aep->at_lun;
1487 }
1488 tptr = get_lun_statep(isp, 0, lun);
1489 if (tptr == NULL) {
1490 isp_prt(isp, ISP_LOGWARN, "no state pointer for lun %d", lun);
1491 tptr = get_lun_statep(isp, 0, CAM_LUN_WILDCARD);
1492 }
1493
1494 if (tptr == NULL) {
1495 /*
1496 * What we'd like to know is whether or not we have a listener
1497 * upstream that really hasn't configured yet. If we do, then
1498 * we can give a more sensible reply here. If not, then we can
1499 * reject this out of hand.
1500 *
1501 * Choices for what to send were
1502 *
1503 * Not Ready, Unit Not Self-Configured Yet
1504 * (0x2,0x3e,0x00)
1505 *
1506 * for the former and
1507 *
1508 * Illegal Request, Logical Unit Not Supported
1509 * (0x5,0x25,0x00)
1510 *
1511 * for the latter.
1512 *
1513 * We used to decide whether there was at least one listener
1514 * based upon whether the black hole driver was configured.
1515 * However, recent config(8) changes have made this hard to do
1516 * at this time.
1517 *
1518 */
1519 isp_endcmd(isp, aep, SCSI_STATUS_BUSY, 0);
1520 return (0);
1521 }
1522
1523 atp = isp_get_atpd(isp, 0);
1524 atiop = (struct ccb_accept_tio *) SLIST_FIRST(&tptr->atios);
1525 if (atiop == NULL || atp == NULL) {
1526 /*
1527 * Because we can't autofeed sense data back with
1528 * a command for parallel SCSI, we can't give back
1529 * a CHECK CONDITION. We'll give back a QUEUE FULL status
1530 * instead. This works out okay because the only time we
1531 * should, in fact, get this, is in the case that we've
1532 * run out of ATIOS.
1533 */
1534 xpt_print_path(tptr->owner);
1535 isp_prt(isp, ISP_LOGWARN,
1536 "no %s for lun %d from initiator %d",
1537 (atp == NULL && atiop == NULL)? "ATIO2s *or* ATPS" :
1538 ((atp == NULL)? "ATPs" : "ATIO2s"), lun, aep->at_iid);
1539 rls_lun_statep(isp, tptr);
1540 isp_endcmd(isp, aep, SCSI_STATUS_QUEUE_FULL, 0);
1541 return (0);
1542 }
1543 atp->state = ATPD_STATE_ATIO;
1544 SLIST_REMOVE_HEAD(&tptr->atios, sim_links.sle);
1545 tptr->atio_count--;
1546 isp_prt(isp, ISP_LOGTDEBUG0, "Take FREE ATIO2 lun %d, count now %d",
1547 lun, tptr->atio_count);
1548
1549 if (tptr == &isp->isp_osinfo.tsdflt[0]) {
1550 atiop->ccb_h.target_id =
1551 ((fcparam *)isp->isp_param)->isp_loopid;
1552 atiop->ccb_h.target_lun = lun;
1553 }
1554 /*
1555 * We don't get 'suggested' sense data as we do with SCSI cards.
1556 */
1557 atiop->sense_len = 0;
1558
1559 atiop->init_id = aep->at_iid;
1560 atiop->cdb_len = ATIO2_CDBLEN;
1561 MEMCPY(atiop->cdb_io.cdb_bytes, aep->at_cdb, ATIO2_CDBLEN);
1562 atiop->ccb_h.status = CAM_CDB_RECVD;
1563 atiop->tag_id = aep->at_rxid;
1564 switch (aep->at_taskflags & ATIO2_TC_ATTR_MASK) {
1565 case ATIO2_TC_ATTR_SIMPLEQ:
1566 atiop->tag_action = MSG_SIMPLE_Q_TAG;
1567 break;
1568 case ATIO2_TC_ATTR_HEADOFQ:
1569 atiop->tag_action = MSG_HEAD_OF_Q_TAG;
1570 break;
1571 case ATIO2_TC_ATTR_ORDERED:
1572 atiop->tag_action = MSG_ORDERED_Q_TAG;
1573 break;
1574 case ATIO2_TC_ATTR_ACAQ: /* ?? */
1575 case ATIO2_TC_ATTR_UNTAGGED:
1576 default:
1577 atiop->tag_action = 0;
1578 break;
1579 }
1580 atiop->ccb_h.flags = CAM_TAG_ACTION_VALID;
1581
1582 atp->tag = atiop->tag_id;
1583 atp->lun = lun;
1584 atp->orig_datalen = aep->at_datalen;
1585 atp->last_xframt = 0;
1586 atp->bytes_xfered = 0;
1587 atp->state = ATPD_STATE_CAM;
1588 xpt_done((union ccb*)atiop);
1589
1590 isp_prt(isp, ISP_LOGTDEBUG0,
1591 "ATIO2[%x] CDB=0x%x iid%d->lun%d tattr 0x%x datalen %u",
1592 aep->at_rxid, aep->at_cdb[0] & 0xff, aep->at_iid,
1593 lun, aep->at_taskflags, aep->at_datalen);
1594 rls_lun_statep(isp, tptr);
1595 return (0);
1596}
1597
1598static int
1599isp_handle_platform_ctio(struct ispsoftc *isp, void *arg)
1600{
1601 union ccb *ccb;
1602 int sentstatus, ok, notify_cam, resid = 0;
1603 u_int16_t tval;
1604
1605 /*
1606 * CTIO and CTIO2 are close enough....
1607 */
1608
1609 ccb = (union ccb *) isp_find_xs(isp, ((ct_entry_t *)arg)->ct_syshandle);
1610 KASSERT((ccb != NULL), ("null ccb in isp_handle_platform_ctio"));
1611 isp_destroy_handle(isp, ((ct_entry_t *)arg)->ct_syshandle);
1612
1613 if (IS_FC(isp)) {
1614 ct2_entry_t *ct = arg;
1615 atio_private_data_t *atp = isp_get_atpd(isp, ct->ct_rxid);
1616 if (atp == NULL) {
1617 isp_prt(isp, ISP_LOGERR,
1618 "cannot find adjunct for %x after I/O",
1619 ct->ct_rxid);
1620 return (0);
1621 }
1622 sentstatus = ct->ct_flags & CT2_SENDSTATUS;
1623 ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK;
1624 if (ok && sentstatus && (ccb->ccb_h.flags & CAM_SEND_SENSE)) {
1625 ccb->ccb_h.status |= CAM_SENT_SENSE;
1626 }
1627 notify_cam = ct->ct_header.rqs_seqno & 0x1;
1628 if ((ct->ct_flags & CT2_DATAMASK) != CT2_NO_DATA) {
1629 resid = ct->ct_resid;
1630 atp->bytes_xfered += (atp->last_xframt - resid);
1631 atp->last_xframt = 0;
1632 }
1633 if (sentstatus || !ok) {
1634 atp->tag = 0;
1635 }
1636 isp_prt(isp, ok? ISP_LOGTDEBUG0 : ISP_LOGWARN,
1637 "CTIO2[%x] sts 0x%x flg 0x%x sns %d resid %d %s",
1638 ct->ct_rxid, ct->ct_status, ct->ct_flags,
1639 (ccb->ccb_h.status & CAM_SENT_SENSE) != 0,
1640 resid, sentstatus? "FIN" : "MID");
1641 tval = ct->ct_rxid;
1642
1643 /* XXX: should really come after isp_complete_ctio */
1644 atp->state = ATPD_STATE_PDON;
1645 } else {
1646 ct_entry_t *ct = arg;
1647 sentstatus = ct->ct_flags & CT_SENDSTATUS;
1648 ok = (ct->ct_status & ~QLTM_SVALID) == CT_OK;
1649 /*
1650 * We *ought* to be able to get back to the original ATIO
1651 * here, but for some reason this gets lost. It's just as
1652 * well because it's squirrelled away as part of periph
1653 * private data.
1654 *
1655 * We can live without it as long as we continue to use
1656 * the auto-replenish feature for CTIOs.
1657 */
1658 notify_cam = ct->ct_header.rqs_seqno & 0x1;
1659 if (ct->ct_status & QLTM_SVALID) {
1660 char *sp = (char *)ct;
1661 sp += CTIO_SENSE_OFFSET;
1662 ccb->csio.sense_len =
1663 min(sizeof (ccb->csio.sense_data), QLTM_SENSELEN);
1664 MEMCPY(&ccb->csio.sense_data, sp, ccb->csio.sense_len);
1665 ccb->ccb_h.status |= CAM_AUTOSNS_VALID;
1666 }
1667 if ((ct->ct_flags & CT_DATAMASK) != CT_NO_DATA) {
1668 resid = ct->ct_resid;
1669 }
1670 isp_prt(isp, ISP_LOGTDEBUG0,
1671 "CTIO[%x] tag %x iid %d lun %d sts %x flg %x resid %d %s",
1672 ct->ct_fwhandle, ct->ct_tag_val, ct->ct_iid, ct->ct_lun,
1673 ct->ct_status, ct->ct_flags, resid,
1674 sentstatus? "FIN" : "MID");
1675 tval = ct->ct_fwhandle;
1676 }
1677 ccb->csio.resid += resid;
1678
1679 /*
1680 * We're here either because intermediate data transfers are done
1681 * and/or the final status CTIO (which may have joined with a
1682 * Data Transfer) is done.
1683 *
1684 * In any case, for this platform, the upper layers figure out
1685 * what to do next, so all we do here is collect status and
1686 * pass information along. Any DMA handles have already been
1687 * freed.
1688 */
1689 if (notify_cam == 0) {
1690 isp_prt(isp, ISP_LOGTDEBUG0, " INTER CTIO[0x%x] done", tval);
1691 return (0);
1692 }
1693
1694 isp_prt(isp, ISP_LOGTDEBUG0, "%s CTIO[0x%x] done",
1695 (sentstatus)? " FINAL " : "MIDTERM ", tval);
1696
1697 if (!ok) {
1698 isp_target_putback_atio(ccb);
1699 } else {
1700 isp_complete_ctio(ccb);
1701
1702 }
1703 return (0);
1704}
1705
1706static int
1707isp_handle_platform_notify_scsi(struct ispsoftc *isp, in_entry_t *inp)
1708{
1709 return (0); /* XXXX */
1710}
1711
1712static int
1713isp_handle_platform_notify_fc(struct ispsoftc *isp, in_fcentry_t *inp)
1714{
1715
1716 switch (inp->in_status) {
1717 case IN_PORT_LOGOUT:
1718 isp_prt(isp, ISP_LOGWARN, "port logout of iid %d",
1719 inp->in_iid);
1720 break;
1721 case IN_PORT_CHANGED:
1722 isp_prt(isp, ISP_LOGWARN, "port changed for iid %d",
1723 inp->in_iid);
1724 break;
1725 case IN_GLOBAL_LOGO:
1726 isp_prt(isp, ISP_LOGINFO, "all ports logged out");
1727 break;
1728 case IN_ABORT_TASK:
1729 {
1730 atio_private_data_t *atp = isp_get_atpd(isp, inp->in_seqid);
1731 struct ccb_immed_notify *inot = NULL;
1732
1733 if (atp) {
1734 tstate_t *tptr = get_lun_statep(isp, 0, atp->lun);
1735 if (tptr) {
1736 inot = (struct ccb_immed_notify *)
1737 SLIST_FIRST(&tptr->inots);
1738 if (inot) {
1739 SLIST_REMOVE_HEAD(&tptr->inots,
1740 sim_links.sle);
1741 }
1742 }
1743 isp_prt(isp, ISP_LOGWARN,
1744 "abort task RX_ID %x IID %d state %d",
1745 inp->in_seqid, inp->in_iid, atp->state);
1746 } else {
1747 isp_prt(isp, ISP_LOGWARN,
1748 "abort task RX_ID %x from iid %d, state unknown",
1749 inp->in_seqid, inp->in_iid);
1750 }
1751 if (inot) {
1752 inot->initiator_id = inp->in_iid;
1753 inot->sense_len = 0;
1754 inot->message_args[0] = MSG_ABORT_TAG;
1755 inot->message_args[1] = inp->in_seqid & 0xff;
1756 inot->message_args[2] = (inp->in_seqid >> 8) & 0xff;
1757 inot->ccb_h.status = CAM_MESSAGE_RECV|CAM_DEV_QFRZN;
1758 xpt_done((union ccb *)inot);
1759 }
1760 break;
1761 }
1762 default:
1763 break;
1764 }
1765 return (0);
1766}
1767#endif
1768
1769static void
1770isp_cam_async(void *cbarg, u_int32_t code, struct cam_path *path, void *arg)
1771{
1772 struct cam_sim *sim;
1773 struct ispsoftc *isp;
1774
1775 sim = (struct cam_sim *)cbarg;
1776 isp = (struct ispsoftc *) cam_sim_softc(sim);
1777 switch (code) {
1778 case AC_LOST_DEVICE:
1779 if (IS_SCSI(isp)) {
1780 u_int16_t oflags, nflags;
1781 sdparam *sdp = isp->isp_param;
1782 int tgt;
1783
1784 tgt = xpt_path_target_id(path);
1785 if (tgt >= 0) {
1786 sdp += cam_sim_bus(sim);
1787 ISP_LOCK(isp);
1788 nflags = sdp->isp_devparam[tgt].nvrm_flags;
1789#ifndef ISP_TARGET_MODE
1790 nflags &= DPARM_SAFE_DFLT;
1791 if (isp->isp_loaded_fw) {
1792 nflags |= DPARM_NARROW | DPARM_ASYNC;
1793 }
1794#else
1795 nflags = DPARM_DEFAULT;
1796#endif
1797 oflags = sdp->isp_devparam[tgt].goal_flags;
1798 sdp->isp_devparam[tgt].goal_flags = nflags;
1799 sdp->isp_devparam[tgt].dev_update = 1;
1800 isp->isp_update |= (1 << cam_sim_bus(sim));
1801 (void) isp_control(isp,
1802 ISPCTL_UPDATE_PARAMS, NULL);
1803 sdp->isp_devparam[tgt].goal_flags = oflags;
1804 ISP_UNLOCK(isp);
1805 }
1806 }
1807 break;
1808 default:
1809 isp_prt(isp, ISP_LOGWARN, "isp_cam_async: Code 0x%x", code);
1810 break;
1811 }
1812}
1813
1814static void
1815isp_poll(struct cam_sim *sim)
1816{
1817 struct ispsoftc *isp = cam_sim_softc(sim);
1818 u_int16_t isr, sema, mbox;
1819
1820 ISP_LOCK(isp);
1821 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) {
1822 isp_intr(isp, isr, sema, mbox);
1823 }
1824 ISP_UNLOCK(isp);
1825}
1826
1827
1828static void
1829isp_watchdog(void *arg)
1830{
1831 XS_T *xs = arg;
1832 struct ispsoftc *isp = XS_ISP(xs);
1833 u_int32_t handle;
1834 int iok;
1835
1836 /*
1837 * We've decided this command is dead. Make sure we're not trying
1838 * to kill a command that's already dead by getting it's handle and
1839 * and seeing whether it's still alive.
1840 */
1841 ISP_LOCK(isp);
1842 iok = isp->isp_osinfo.intsok;
1843 isp->isp_osinfo.intsok = 0;
1844 handle = isp_find_handle(isp, xs);
1845 if (handle) {
1846 u_int16_t isr, sema, mbox;
1847
1848 if (XS_CMD_DONE_P(xs)) {
1849 isp_prt(isp, ISP_LOGDEBUG1,
1850 "watchdog found done cmd (handle 0x%x)", handle);
1851 ISP_UNLOCK(isp);
1852 return;
1853 }
1854
1855 if (XS_CMD_WDOG_P(xs)) {
1856 isp_prt(isp, ISP_LOGDEBUG2,
1857 "recursive watchdog (handle 0x%x)", handle);
1858 ISP_UNLOCK(isp);
1859 return;
1860 }
1861
1862 XS_CMD_S_WDOG(xs);
1863 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) {
1864 isp_intr(isp, isr, sema, mbox);
1865 }
1866 if (XS_CMD_DONE_P(xs)) {
1867 isp_prt(isp, ISP_LOGDEBUG2,
1868 "watchdog cleanup for handle 0x%x", handle);
1869 xpt_done((union ccb *) xs);
1870 } else if (XS_CMD_GRACE_P(xs)) {
1871 /*
1872 * Make sure the command is *really* dead before we
1873 * release the handle (and DMA resources) for reuse.
1874 */
1875 (void) isp_control(isp, ISPCTL_ABORT_CMD, arg);
1876
1877 /*
1878 * After this point, the comamnd is really dead.
1879 */
1880 if (XS_XFRLEN(xs)) {
1881 ISP_DMAFREE(isp, xs, handle);
1882 }
1883 isp_destroy_handle(isp, handle);
1884 xpt_print_path(xs->ccb_h.path);
1885 isp_prt(isp, ISP_LOGWARN,
1886 "watchdog timeout for handle 0x%x", handle);
1887 XS_SETERR(xs, CAM_CMD_TIMEOUT);
1888 XS_CMD_C_WDOG(xs);
1889 isp_done(xs);
1890 } else {
1891 u_int16_t nxti, optr;
1892 ispreq_t local, *mp= &local, *qe;
1893
1894 XS_CMD_C_WDOG(xs);
ddcafce9
JS
1895 callout_reset(&xs->ccb_h.timeout_ch, hz,
1896 isp_watchdog, xs);
984263bc
MD
1897 if (isp_getrqentry(isp, &nxti, &optr, (void **) &qe)) {
1898 ISP_UNLOCK(isp);
1899 return;
1900 }
1901 XS_CMD_S_GRACE(xs);
1902 MEMZERO((void *) mp, sizeof (*mp));
1903 mp->req_header.rqs_entry_count = 1;
1904 mp->req_header.rqs_entry_type = RQSTYPE_MARKER;
1905 mp->req_modifier = SYNC_ALL;
1906 mp->req_target = XS_CHANNEL(xs) << 7;
1907 isp_put_request(isp, mp, qe);
1908 ISP_ADD_REQUEST(isp, nxti);
1909 }
1910 } else {
1911 isp_prt(isp, ISP_LOGDEBUG2, "watchdog with no command");
1912 }
1913 isp->isp_osinfo.intsok = iok;
1914 ISP_UNLOCK(isp);
1915}
1916
1917static void
1918isp_kthread(void *arg)
1919{
1920 struct ispsoftc *isp = arg;
984263bc 1921
fbe276c7 1922 crit_enter();
984263bc
MD
1923 isp->isp_osinfo.intsok = 1;
1924
1925 /*
1926 * The first loop is for our usage where we have yet to have
1927 * gotten good fibre channel state.
1928 */
1929 for (;;) {
1930 int wasfrozen;
1931
1932 isp_prt(isp, ISP_LOGDEBUG0, "kthread: checking FC state");
1933 while (isp_fc_runstate(isp, 2 * 1000000) != 0) {
1934 isp_prt(isp, ISP_LOGDEBUG0, "kthread: FC state ungood");
1935 if (FCPARAM(isp)->isp_fwstate != FW_READY ||
1936 FCPARAM(isp)->isp_loopstate < LOOP_PDB_RCVD) {
1937 if (FCPARAM(isp)->loop_seen_once == 0 ||
1938 isp->isp_osinfo.ktmature == 0) {
1939 break;
1940 }
1941 }
377d4740 1942 tsleep(isp_kthread, 0, "isp_fcthrd", hz);
984263bc
MD
1943
1944 }
1945
1946 /*
1947 * Even if we didn't get good loop state we may be
1948 * unfreezing the SIMQ so that we can kill off
1949 * commands (if we've never seen loop before, for example).
1950 */
1951 isp->isp_osinfo.ktmature = 1;
1952 wasfrozen = isp->isp_osinfo.simqfrozen & SIMQFRZ_LOOPDOWN;
1953 isp->isp_osinfo.simqfrozen &= ~SIMQFRZ_LOOPDOWN;
1954 if (wasfrozen && isp->isp_osinfo.simqfrozen == 0) {
1955 isp_prt(isp, ISP_LOGDEBUG0, "kthread: releasing simq");
1956 ISPLOCK_2_CAMLOCK(isp);
1957 xpt_release_simq(isp->isp_sim, 1);
1958 CAMLOCK_2_ISPLOCK(isp);
1959 }
377d4740 1960 tsleep(&isp->isp_osinfo.kthread, 0, "isp_fc_worker", 0);
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MD
1961 isp_prt(isp, ISP_LOGDEBUG0, "kthread: waiting until called");
1962 }
1963}
1964
1965static void
1966isp_action(struct cam_sim *sim, union ccb *ccb)
1967{
1968 int bus, tgt, error;
1969 struct ispsoftc *isp;
1970 struct ccb_trans_settings *cts;
1971
1972 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("isp_action\n"));
1973
1974 isp = (struct ispsoftc *)cam_sim_softc(sim);
1975 ccb->ccb_h.sim_priv.entries[0].field = 0;
1976 ccb->ccb_h.sim_priv.entries[1].ptr = isp;
1977 if (isp->isp_state != ISP_RUNSTATE &&
1978 ccb->ccb_h.func_code == XPT_SCSI_IO) {
1979 CAMLOCK_2_ISPLOCK(isp);
1980 isp_init(isp);
1981 if (isp->isp_state != ISP_INITSTATE) {
1982 ISP_UNLOCK(isp);
1983 /*
1984 * Lie. Say it was a selection timeout.
1985 */
1986 ccb->ccb_h.status = CAM_SEL_TIMEOUT | CAM_DEV_QFRZN;
1987 xpt_freeze_devq(ccb->ccb_h.path, 1);
1988 xpt_done(ccb);
1989 return;
1990 }
1991 isp->isp_state = ISP_RUNSTATE;
1992 ISPLOCK_2_CAMLOCK(isp);
1993 }
1994 isp_prt(isp, ISP_LOGDEBUG2, "isp_action code %x", ccb->ccb_h.func_code);
1995
1996
1997 switch (ccb->ccb_h.func_code) {
1998 case XPT_SCSI_IO: /* Execute the requested I/O operation */
1999 /*
2000 * Do a couple of preliminary checks...
2001 */
2002 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) {
2003 if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) {
2004 ccb->ccb_h.status = CAM_REQ_INVALID;
2005 xpt_done(ccb);
2006 break;
2007 }
2008 }
2009#ifdef DIAGNOSTIC
2010 if (ccb->ccb_h.target_id > (ISP_MAX_TARGETS(isp) - 1)) {
2011 ccb->ccb_h.status = CAM_PATH_INVALID;
2012 } else if (ccb->ccb_h.target_lun > (ISP_MAX_LUNS(isp) - 1)) {
2013 ccb->ccb_h.status = CAM_PATH_INVALID;
2014 }
2015 if (ccb->ccb_h.status == CAM_PATH_INVALID) {
2016 isp_prt(isp, ISP_LOGERR,
2017 "invalid tgt/lun (%d.%d) in XPT_SCSI_IO",
2018 ccb->ccb_h.target_id, ccb->ccb_h.target_lun);
2019 xpt_done(ccb);
2020 break;
2021 }
2022#endif
2023 ((struct ccb_scsiio *) ccb)->scsi_status = SCSI_STATUS_OK;
2024 CAMLOCK_2_ISPLOCK(isp);
2025 error = isp_start((XS_T *) ccb);
2026 switch (error) {
2027 case CMD_QUEUED:
2028 ccb->ccb_h.status |= CAM_SIM_QUEUED;
2029 if (ccb->ccb_h.timeout != CAM_TIME_INFINITY) {
2030 u_int64_t ticks = (u_int64_t) hz;
2031 if (ccb->ccb_h.timeout == CAM_TIME_DEFAULT)
2032 ticks = 60 * 1000 * ticks;
2033 else
2034 ticks = ccb->ccb_h.timeout * hz;
2035 ticks = ((ticks + 999) / 1000) + hz + hz;
2036 if (ticks >= 0x80000000) {
2037 isp_prt(isp, ISP_LOGERR,
2038 "timeout overflow");
2039 ticks = 0x7fffffff;
2040 }
ddcafce9
JS
2041 callout_reset(&ccb->ccb_h.timeout_ch, ticks,
2042 isp_watchdog, ccb);
984263bc
MD
2043 }
2044 ISPLOCK_2_CAMLOCK(isp);
2045 break;
2046 case CMD_RQLATER:
2047 /*
2048 * This can only happen for Fibre Channel
2049 */
2050 KASSERT((IS_FC(isp)), ("CMD_RQLATER for FC only"));
2051 if (FCPARAM(isp)->loop_seen_once == 0 &&
2052 isp->isp_osinfo.ktmature) {
2053 ISPLOCK_2_CAMLOCK(isp);
2054 XS_SETERR(ccb, CAM_SEL_TIMEOUT);
2055 xpt_done(ccb);
2056 break;
2057 }
41c20dac 2058 wakeup(&isp->isp_osinfo.kthread);
984263bc
MD
2059 isp_freeze_loopdown(isp, "isp_action(RQLATER)");
2060 isp->isp_osinfo.simqfrozen |= SIMQFRZ_LOOPDOWN;
2061 XS_SETERR(ccb, CAM_REQUEUE_REQ);
2062 ISPLOCK_2_CAMLOCK(isp);
2063 xpt_done(ccb);
2064 break;
2065 case CMD_EAGAIN:
2066 XS_SETERR(ccb, CAM_REQUEUE_REQ);
2067 ISPLOCK_2_CAMLOCK(isp);
2068 xpt_done(ccb);
2069 break;
2070 case CMD_COMPLETE:
2071 isp_done((struct ccb_scsiio *) ccb);
2072 ISPLOCK_2_CAMLOCK(isp);
2073 break;
2074 default:
2075 isp_prt(isp, ISP_LOGERR,
2076 "What's this? 0x%x at %d in file %s",
2077 error, __LINE__, __FILE__);
2078 XS_SETERR(ccb, CAM_REQ_CMP_ERR);
2079 xpt_done(ccb);
2080 ISPLOCK_2_CAMLOCK(isp);
2081 }
2082 break;
2083
2084#ifdef ISP_TARGET_MODE
2085 case XPT_EN_LUN: /* Enable LUN as a target */
2086 {
2087 int iok;
2088 CAMLOCK_2_ISPLOCK(isp);
2089 iok = isp->isp_osinfo.intsok;
2090 isp->isp_osinfo.intsok = 0;
2091 isp_en_lun(isp, ccb);
2092 isp->isp_osinfo.intsok = iok;
2093 ISPLOCK_2_CAMLOCK(isp);
2094 xpt_done(ccb);
2095 break;
2096 }
2097 case XPT_NOTIFY_ACK: /* recycle notify ack */
2098 case XPT_IMMED_NOTIFY: /* Add Immediate Notify Resource */
2099 case XPT_ACCEPT_TARGET_IO: /* Add Accept Target IO Resource */
2100 {
2101 tstate_t *tptr =
2102 get_lun_statep(isp, XS_CHANNEL(ccb), ccb->ccb_h.target_lun);
2103 if (tptr == NULL) {
2104 ccb->ccb_h.status = CAM_LUN_INVALID;
2105 xpt_done(ccb);
2106 break;
2107 }
2108 ccb->ccb_h.sim_priv.entries[0].field = 0;
2109 ccb->ccb_h.sim_priv.entries[1].ptr = isp;
2110 ccb->ccb_h.flags = 0;
2111
2112 CAMLOCK_2_ISPLOCK(isp);
2113 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) {
2114 /*
2115 * Note that the command itself may not be done-
2116 * it may not even have had the first CTIO sent.
2117 */
2118 tptr->atio_count++;
2119 isp_prt(isp, ISP_LOGTDEBUG0,
2120 "Put FREE ATIO2, lun %d, count now %d",
2121 ccb->ccb_h.target_lun, tptr->atio_count);
2122 SLIST_INSERT_HEAD(&tptr->atios, &ccb->ccb_h,
2123 sim_links.sle);
2124 } else if (ccb->ccb_h.func_code == XPT_IMMED_NOTIFY) {
2125 SLIST_INSERT_HEAD(&tptr->inots, &ccb->ccb_h,
2126 sim_links.sle);
2127 } else {
2128 ;
2129 }
2130 rls_lun_statep(isp, tptr);
2131 ccb->ccb_h.status = CAM_REQ_INPROG;
2132 ISPLOCK_2_CAMLOCK(isp);
2133 break;
2134 }
2135 case XPT_CONT_TARGET_IO:
2136 {
2137 CAMLOCK_2_ISPLOCK(isp);
2138 ccb->ccb_h.status = isp_target_start_ctio(isp, ccb);
2139 if (ccb->ccb_h.status != CAM_REQ_INPROG) {
2140 isp_prt(isp, ISP_LOGWARN,
2141 "XPT_CONT_TARGET_IO: status 0x%x",
2142 ccb->ccb_h.status);
2143 XS_SETERR(ccb, CAM_REQUEUE_REQ);
2144 ISPLOCK_2_CAMLOCK(isp);
2145 xpt_done(ccb);
2146 } else {
2147 ISPLOCK_2_CAMLOCK(isp);
2148 ccb->ccb_h.status |= CAM_SIM_QUEUED;
2149 }
2150 break;
2151 }
2152#endif
2153 case XPT_RESET_DEV: /* BDR the specified SCSI device */
2154
2155 bus = cam_sim_bus(xpt_path_sim(ccb->ccb_h.path));
2156 tgt = ccb->ccb_h.target_id;
2157 tgt |= (bus << 16);
2158
2159 CAMLOCK_2_ISPLOCK(isp);
2160 error = isp_control(isp, ISPCTL_RESET_DEV, &tgt);
2161 ISPLOCK_2_CAMLOCK(isp);
2162 if (error) {
2163 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
2164 } else {
2165 ccb->ccb_h.status = CAM_REQ_CMP;
2166 }
2167 xpt_done(ccb);
2168 break;
2169 case XPT_ABORT: /* Abort the specified CCB */
2170 {
2171 union ccb *accb = ccb->cab.abort_ccb;
2172 CAMLOCK_2_ISPLOCK(isp);
2173 switch (accb->ccb_h.func_code) {
2174#ifdef ISP_TARGET_MODE
2175 case XPT_ACCEPT_TARGET_IO:
2176 case XPT_IMMED_NOTIFY:
2177 ccb->ccb_h.status = isp_abort_tgt_ccb(isp, ccb);
2178 break;
2179 case XPT_CONT_TARGET_IO:
2180 isp_prt(isp, ISP_LOGERR, "cannot abort CTIOs yet");
2181 ccb->ccb_h.status = CAM_UA_ABORT;
2182 break;
2183#endif
2184 case XPT_SCSI_IO:
2185 error = isp_control(isp, ISPCTL_ABORT_CMD, ccb);
2186 if (error) {
2187 ccb->ccb_h.status = CAM_UA_ABORT;
2188 } else {
2189 ccb->ccb_h.status = CAM_REQ_CMP;
2190 }
2191 break;
2192 default:
2193 ccb->ccb_h.status = CAM_REQ_INVALID;
2194 break;
2195 }
2196 ISPLOCK_2_CAMLOCK(isp);
2197 xpt_done(ccb);
2198 break;
2199 }
2200#define IS_CURRENT_SETTINGS(c) (c->flags & CCB_TRANS_CURRENT_SETTINGS)
2201 case XPT_SET_TRAN_SETTINGS: /* Nexus Settings */
2202 cts = &ccb->cts;
2203 if (!IS_CURRENT_SETTINGS(cts)) {
2204 ccb->ccb_h.status = CAM_REQ_INVALID;
2205 xpt_done(ccb);
2206 break;
2207 }
2208 tgt = cts->ccb_h.target_id;
2209 CAMLOCK_2_ISPLOCK(isp);
2210 if (IS_SCSI(isp)) {
2211 sdparam *sdp = isp->isp_param;
2212 u_int16_t *dptr;
2213
2214 bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path));
2215
2216 sdp += bus;
2217 /*
2218 * We always update (internally) from goal_flags
2219 * so any request to change settings just gets
2220 * vectored to that location.
2221 */
2222 dptr = &sdp->isp_devparam[tgt].goal_flags;
2223
2224 /*
2225 * Note that these operations affect the
2226 * the goal flags (goal_flags)- not
2227 * the current state flags. Then we mark
2228 * things so that the next operation to
2229 * this HBA will cause the update to occur.
2230 */
2231 if (cts->valid & CCB_TRANS_DISC_VALID) {
2232 if ((cts->flags & CCB_TRANS_DISC_ENB) != 0) {
2233 *dptr |= DPARM_DISC;
2234 } else {
2235 *dptr &= ~DPARM_DISC;
2236 }
2237 }
2238 if (cts->valid & CCB_TRANS_TQ_VALID) {
2239 if ((cts->flags & CCB_TRANS_TAG_ENB) != 0) {
2240 *dptr |= DPARM_TQING;
2241 } else {
2242 *dptr &= ~DPARM_TQING;
2243 }
2244 }
2245 if (cts->valid & CCB_TRANS_BUS_WIDTH_VALID) {
2246 switch (cts->bus_width) {
2247 case MSG_EXT_WDTR_BUS_16_BIT:
2248 *dptr |= DPARM_WIDE;
2249 break;
2250 default:
2251 *dptr &= ~DPARM_WIDE;
2252 }
2253 }
2254 /*
2255 * Any SYNC RATE of nonzero and SYNC_OFFSET
2256 * of nonzero will cause us to go to the
2257 * selected (from NVRAM) maximum value for
2258 * this device. At a later point, we'll
2259 * allow finer control.
2260 */
2261 if ((cts->valid & CCB_TRANS_SYNC_RATE_VALID) &&
2262 (cts->valid & CCB_TRANS_SYNC_OFFSET_VALID) &&
2263 (cts->sync_offset > 0)) {
2264 *dptr |= DPARM_SYNC;
2265 } else {
2266 *dptr &= ~DPARM_SYNC;
2267 }
2268 *dptr |= DPARM_SAFE_DFLT;
2269 isp_prt(isp, ISP_LOGDEBUG0,
2270 "SET bus %d targ %d to flags %x off %x per %x",
2271 bus, tgt, sdp->isp_devparam[tgt].goal_flags,
2272 sdp->isp_devparam[tgt].goal_offset,
2273 sdp->isp_devparam[tgt].goal_period);
2274 sdp->isp_devparam[tgt].dev_update = 1;
2275 isp->isp_update |= (1 << bus);
2276 }
2277 ISPLOCK_2_CAMLOCK(isp);
2278 ccb->ccb_h.status = CAM_REQ_CMP;
2279 xpt_done(ccb);
2280 break;
2281 case XPT_GET_TRAN_SETTINGS:
2282 cts = &ccb->cts;
2283 tgt = cts->ccb_h.target_id;
2284 CAMLOCK_2_ISPLOCK(isp);
2285 if (IS_FC(isp)) {
2286 /*
2287 * a lot of normal SCSI things don't make sense.
2288 */
2289 cts->flags = CCB_TRANS_TAG_ENB | CCB_TRANS_DISC_ENB;
2290 cts->valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID;
2291 /*
2292 * How do you measure the width of a high
2293 * speed serial bus? Well, in bytes.
2294 *
2295 * Offset and period make no sense, though, so we set
2296 * (above) a 'base' transfer speed to be gigabit.
2297 */
2298 cts->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
2299 } else {
2300 sdparam *sdp = isp->isp_param;
2301 int bus = cam_sim_bus(xpt_path_sim(cts->ccb_h.path));
2302 u_int16_t dval, pval, oval;
2303
2304 sdp += bus;
2305
2306 if (IS_CURRENT_SETTINGS(cts)) {
2307 sdp->isp_devparam[tgt].dev_refresh = 1;
2308 isp->isp_update |= (1 << bus);
2309 (void) isp_control(isp, ISPCTL_UPDATE_PARAMS,
2310 NULL);
2311 dval = sdp->isp_devparam[tgt].actv_flags;
2312 oval = sdp->isp_devparam[tgt].actv_offset;
2313 pval = sdp->isp_devparam[tgt].actv_period;
2314 } else {
2315 dval = sdp->isp_devparam[tgt].nvrm_flags;
2316 oval = sdp->isp_devparam[tgt].nvrm_offset;
2317 pval = sdp->isp_devparam[tgt].nvrm_period;
2318 }
2319
2320 cts->flags &= ~(CCB_TRANS_DISC_ENB|CCB_TRANS_TAG_ENB);
2321
2322 if (dval & DPARM_DISC) {
2323 cts->flags |= CCB_TRANS_DISC_ENB;
2324 }
2325 if (dval & DPARM_TQING) {
2326 cts->flags |= CCB_TRANS_TAG_ENB;
2327 }
2328 if (dval & DPARM_WIDE) {
2329 cts->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
2330 } else {
2331 cts->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
2332 }
2333 cts->valid = CCB_TRANS_BUS_WIDTH_VALID |
2334 CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID;
2335
2336 if ((dval & DPARM_SYNC) && oval != 0) {
2337 cts->sync_period = pval;
2338 cts->sync_offset = oval;
2339 cts->valid |=
2340 CCB_TRANS_SYNC_RATE_VALID |
2341 CCB_TRANS_SYNC_OFFSET_VALID;
2342 }
2343 isp_prt(isp, ISP_LOGDEBUG0,
2344 "GET %s bus %d targ %d to flags %x off %x per %x",
2345 IS_CURRENT_SETTINGS(cts)? "ACTIVE" : "NVRAM",
2346 bus, tgt, dval, oval, pval);
2347 }
2348 ISPLOCK_2_CAMLOCK(isp);
2349 ccb->ccb_h.status = CAM_REQ_CMP;
2350 xpt_done(ccb);
2351 break;
2352
2353 case XPT_CALC_GEOMETRY:
2354 {
2355 struct ccb_calc_geometry *ccg;
2356 u_int32_t secs_per_cylinder;
2357 u_int32_t size_mb;
2358
2359 ccg = &ccb->ccg;
2360 if (ccg->block_size == 0) {
2361 isp_prt(isp, ISP_LOGERR,
2362 "%d.%d XPT_CALC_GEOMETRY block size 0?",
2363 ccg->ccb_h.target_id, ccg->ccb_h.target_lun);
2364 ccb->ccb_h.status = CAM_REQ_INVALID;
2365 xpt_done(ccb);
2366 break;
2367 }
2368 size_mb = ccg->volume_size /((1024L * 1024L) / ccg->block_size);
2369 if (size_mb > 1024) {
2370 ccg->heads = 255;
2371 ccg->secs_per_track = 63;
2372 } else {
2373 ccg->heads = 64;
2374 ccg->secs_per_track = 32;
2375 }
2376 secs_per_cylinder = ccg->heads * ccg->secs_per_track;
2377 ccg->cylinders = ccg->volume_size / secs_per_cylinder;
2378 ccb->ccb_h.status = CAM_REQ_CMP;
2379 xpt_done(ccb);
2380 break;
2381 }
2382 case XPT_RESET_BUS: /* Reset the specified bus */
2383 bus = cam_sim_bus(sim);
2384 CAMLOCK_2_ISPLOCK(isp);
2385 error = isp_control(isp, ISPCTL_RESET_BUS, &bus);
2386 ISPLOCK_2_CAMLOCK(isp);
2387 if (error)
2388 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
2389 else {
2390 if (cam_sim_bus(sim) && isp->isp_path2 != NULL)
2391 xpt_async(AC_BUS_RESET, isp->isp_path2, NULL);
2392 else if (isp->isp_path != NULL)
2393 xpt_async(AC_BUS_RESET, isp->isp_path, NULL);
2394 ccb->ccb_h.status = CAM_REQ_CMP;
2395 }
2396 xpt_done(ccb);
2397 break;
2398
2399 case XPT_TERM_IO: /* Terminate the I/O process */
2400 ccb->ccb_h.status = CAM_REQ_INVALID;
2401 xpt_done(ccb);
2402 break;
2403
2404 case XPT_PATH_INQ: /* Path routing inquiry */
2405 {
2406 struct ccb_pathinq *cpi = &ccb->cpi;
2407
2408 cpi->version_num = 1;
2409#ifdef ISP_TARGET_MODE
2410 cpi->target_sprt = PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO;
2411#else
2412 cpi->target_sprt = 0;
2413#endif
2414 cpi->hba_eng_cnt = 0;
2415 cpi->max_target = ISP_MAX_TARGETS(isp) - 1;
2416 cpi->max_lun = ISP_MAX_LUNS(isp) - 1;
2417 cpi->bus_id = cam_sim_bus(sim);
2418 if (IS_FC(isp)) {
2419 cpi->hba_misc = PIM_NOBUSRESET;
2420 /*
2421 * Because our loop ID can shift from time to time,
2422 * make our initiator ID out of range of our bus.
2423 */
2424 cpi->initiator_id = cpi->max_target + 1;
2425
2426 /*
2427 * Set base transfer capabilities for Fibre Channel.
2428 * Technically not correct because we don't know
2429 * what media we're running on top of- but we'll
2430 * look good if we always say 100MB/s.
2431 */
2432 if (FCPARAM(isp)->isp_gbspeed == 2)
2433 cpi->base_transfer_speed = 200000;
2434 else
2435 cpi->base_transfer_speed = 100000;
2436 cpi->hba_inquiry = PI_TAG_ABLE;
2437 } else {
2438 sdparam *sdp = isp->isp_param;
2439 sdp += cam_sim_bus(xpt_path_sim(cpi->ccb_h.path));
2440 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16;
2441 cpi->hba_misc = 0;
2442 cpi->initiator_id = sdp->isp_initiator_id;
2443 cpi->base_transfer_speed = 3300;
2444 }
2445 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
2446 strncpy(cpi->hba_vid, "Qlogic", HBA_IDLEN);
2447 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
2448 cpi->unit_number = cam_sim_unit(sim);
2449 cpi->ccb_h.status = CAM_REQ_CMP;
2450 xpt_done(ccb);
2451 break;
2452 }
2453 default:
2454 ccb->ccb_h.status = CAM_REQ_INVALID;
2455 xpt_done(ccb);
2456 break;
2457 }
2458}
2459
2460#define ISPDDB (CAM_DEBUG_INFO|CAM_DEBUG_TRACE|CAM_DEBUG_CDB)
2461void
2462isp_done(struct ccb_scsiio *sccb)
2463{
2464 struct ispsoftc *isp = XS_ISP(sccb);
2465
2466 if (XS_NOERR(sccb))
2467 XS_SETERR(sccb, CAM_REQ_CMP);
2468
2469 if ((sccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP &&
2470 (sccb->scsi_status != SCSI_STATUS_OK)) {
2471 sccb->ccb_h.status &= ~CAM_STATUS_MASK;
2472 if ((sccb->scsi_status == SCSI_STATUS_CHECK_COND) &&
2473 (sccb->ccb_h.status & CAM_AUTOSNS_VALID) == 0) {
2474 sccb->ccb_h.status |= CAM_AUTOSENSE_FAIL;
2475 } else {
2476 sccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR;
2477 }
2478 }
2479
2480 sccb->ccb_h.status &= ~CAM_SIM_QUEUED;
2481 if ((sccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
2482 if ((sccb->ccb_h.status & CAM_DEV_QFRZN) == 0) {
2483 sccb->ccb_h.status |= CAM_DEV_QFRZN;
2484 xpt_freeze_devq(sccb->ccb_h.path, 1);
2485 isp_prt(isp, ISP_LOGDEBUG0,
2486 "freeze devq %d.%d cam sts %x scsi sts %x",
2487 sccb->ccb_h.target_id, sccb->ccb_h.target_lun,
2488 sccb->ccb_h.status, sccb->scsi_status);
2489 }
2490 }
2491
2492 if ((CAM_DEBUGGED(sccb->ccb_h.path, ISPDDB)) &&
2493 (sccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
2494 xpt_print_path(sccb->ccb_h.path);
2495 isp_prt(isp, ISP_LOGINFO,
2496 "cam completion status 0x%x", sccb->ccb_h.status);
2497 }
2498
2499 XS_CMD_S_DONE(sccb);
2500 if (XS_CMD_WDOG_P(sccb) == 0) {
ddcafce9 2501 callout_stop(&sccb->ccb_h.timeout_ch);
984263bc
MD
2502 if (XS_CMD_GRACE_P(sccb)) {
2503 isp_prt(isp, ISP_LOGDEBUG2,
2504 "finished command on borrowed time");
2505 }
2506 XS_CMD_S_CLEAR(sccb);
2507 ISPLOCK_2_CAMLOCK(isp);
2508 xpt_done((union ccb *) sccb);
2509 CAMLOCK_2_ISPLOCK(isp);
2510 }
2511}
2512
2513int
2514isp_async(struct ispsoftc *isp, ispasync_t cmd, void *arg)
2515{
2516 int bus, rv = 0;
2517 switch (cmd) {
2518 case ISPASYNC_NEW_TGT_PARAMS:
2519 {
2520 int flags, tgt;
2521 sdparam *sdp = isp->isp_param;
2522 struct ccb_trans_settings cts;
2523 struct cam_path *tmppath;
2524
2525 bzero(&cts, sizeof (struct ccb_trans_settings));
2526
2527 tgt = *((int *)arg);
2528 bus = (tgt >> 16) & 0xffff;
2529 tgt &= 0xffff;
2530 sdp += bus;
2531 ISPLOCK_2_CAMLOCK(isp);
2532 if (xpt_create_path(&tmppath, NULL,
2533 cam_sim_path(bus? isp->isp_sim2 : isp->isp_sim),
2534 tgt, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
2535 CAMLOCK_2_ISPLOCK(isp);
2536 isp_prt(isp, ISP_LOGWARN,
2537 "isp_async cannot make temp path for %d.%d",
2538 tgt, bus);
2539 rv = -1;
2540 break;
2541 }
2542 CAMLOCK_2_ISPLOCK(isp);
2543 flags = sdp->isp_devparam[tgt].actv_flags;
2544 cts.flags = CCB_TRANS_CURRENT_SETTINGS;
2545 cts.valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID;
2546 if (flags & DPARM_DISC) {
2547 cts.flags |= CCB_TRANS_DISC_ENB;
2548 }
2549 if (flags & DPARM_TQING) {
2550 cts.flags |= CCB_TRANS_TAG_ENB;
2551 }
2552 cts.valid |= CCB_TRANS_BUS_WIDTH_VALID;
2553 cts.bus_width = (flags & DPARM_WIDE)?
2554 MSG_EXT_WDTR_BUS_8_BIT : MSG_EXT_WDTR_BUS_16_BIT;
2555 cts.sync_period = sdp->isp_devparam[tgt].actv_period;
2556 cts.sync_offset = sdp->isp_devparam[tgt].actv_offset;
2557 if (flags & DPARM_SYNC) {
2558 cts.valid |=
2559 CCB_TRANS_SYNC_RATE_VALID |
2560 CCB_TRANS_SYNC_OFFSET_VALID;
2561 }
2562 isp_prt(isp, ISP_LOGDEBUG2,
2563 "NEW_TGT_PARAMS bus %d tgt %d period %x offset %x flags %x",
2564 bus, tgt, sdp->isp_devparam[tgt].actv_period,
2565 sdp->isp_devparam[tgt].actv_offset, flags);
2566 xpt_setup_ccb(&cts.ccb_h, tmppath, 1);
2567 ISPLOCK_2_CAMLOCK(isp);
2568 xpt_async(AC_TRANSFER_NEG, tmppath, &cts);
2569 xpt_free_path(tmppath);
2570 CAMLOCK_2_ISPLOCK(isp);
2571 break;
2572 }
2573 case ISPASYNC_BUS_RESET:
2574 bus = *((int *)arg);
2575 isp_prt(isp, ISP_LOGINFO, "SCSI bus reset on bus %d detected",
2576 bus);
2577 if (bus > 0 && isp->isp_path2) {
2578 ISPLOCK_2_CAMLOCK(isp);
2579 xpt_async(AC_BUS_RESET, isp->isp_path2, NULL);
2580 CAMLOCK_2_ISPLOCK(isp);
2581 } else if (isp->isp_path) {
2582 ISPLOCK_2_CAMLOCK(isp);
2583 xpt_async(AC_BUS_RESET, isp->isp_path, NULL);
2584 CAMLOCK_2_ISPLOCK(isp);
2585 }
2586 break;
2587 case ISPASYNC_LIP:
2588 if (isp->isp_path) {
2589 isp_freeze_loopdown(isp, "ISPASYNC_LIP");
2590 }
2591 isp_prt(isp, ISP_LOGINFO, "LIP Received");
2592 break;
2593 case ISPASYNC_LOOP_RESET:
2594 if (isp->isp_path) {
2595 isp_freeze_loopdown(isp, "ISPASYNC_LOOP_RESET");
2596 }
2597 isp_prt(isp, ISP_LOGINFO, "Loop Reset Received");
2598 break;
2599 case ISPASYNC_LOOP_DOWN:
2600 if (isp->isp_path) {
2601 isp_freeze_loopdown(isp, "ISPASYNC_LOOP_DOWN");
2602 }
2603 isp_prt(isp, ISP_LOGINFO, "Loop DOWN");
2604 break;
2605 case ISPASYNC_LOOP_UP:
2606 /*
2607 * Now we just note that Loop has come up. We don't
2608 * actually do anything because we're waiting for a
2609 * Change Notify before activating the FC cleanup
2610 * thread to look at the state of the loop again.
2611 */
2612 isp_prt(isp, ISP_LOGINFO, "Loop UP");
2613 break;
2614 case ISPASYNC_PROMENADE:
2615 {
2616 const char *fmt = "Target %d (Loop 0x%x) Port ID 0x%x "
2617 "(role %s) %s\n Port WWN 0x%08x%08x\n Node WWN 0x%08x%08x";
2618 static const char *roles[4] = {
2619 "(none)", "Target", "Initiator", "Target/Initiator"
2620 };
2621 fcparam *fcp = isp->isp_param;
2622 int tgt = *((int *) arg);
2623 struct lportdb *lp = &fcp->portdb[tgt];
2624
2625 isp_prt(isp, ISP_LOGINFO, fmt, tgt, lp->loopid, lp->portid,
2626 roles[lp->roles & 0x3],
2627 (lp->valid)? "Arrived" : "Departed",
2628 (u_int32_t) (lp->port_wwn >> 32),
2629 (u_int32_t) (lp->port_wwn & 0xffffffffLL),
2630 (u_int32_t) (lp->node_wwn >> 32),
2631 (u_int32_t) (lp->node_wwn & 0xffffffffLL));
2632
2633 break;
2634 }
2635 case ISPASYNC_CHANGE_NOTIFY:
2636 if (arg == ISPASYNC_CHANGE_PDB) {
2637 isp_prt(isp, ISP_LOGINFO,
2638 "Port Database Changed");
2639 } else if (arg == ISPASYNC_CHANGE_SNS) {
2640 isp_prt(isp, ISP_LOGINFO,
2641 "Name Server Database Changed");
2642 }
41c20dac 2643 wakeup(&isp->isp_osinfo.kthread);
984263bc
MD
2644 break;
2645 case ISPASYNC_FABRIC_DEV:
2646 {
2647 int target, base, lim;
2648 fcparam *fcp = isp->isp_param;
2649 struct lportdb *lp = NULL;
2650 struct lportdb *clp = (struct lportdb *) arg;
2651 char *pt;
2652
2653 switch (clp->port_type) {
2654 case 1:
2655 pt = " N_Port";
2656 break;
2657 case 2:
2658 pt = " NL_Port";
2659 break;
2660 case 3:
2661 pt = "F/NL_Port";
2662 break;
2663 case 0x7f:
2664 pt = " Nx_Port";
2665 break;
2666 case 0x81:
2667 pt = " F_port";
2668 break;
2669 case 0x82:
2670 pt = " FL_Port";
2671 break;
2672 case 0x84:
2673 pt = " E_port";
2674 break;
2675 default:
2676 pt = " ";
2677 break;
2678 }
2679
2680 isp_prt(isp, ISP_LOGINFO,
2681 "%s Fabric Device @ PortID 0x%x", pt, clp->portid);
2682
2683 /*
2684 * If we don't have an initiator role we bail.
2685 *
2686 * We just use ISPASYNC_FABRIC_DEV for announcement purposes.
2687 */
2688
2689 if ((isp->isp_role & ISP_ROLE_INITIATOR) == 0) {
2690 break;
2691 }
2692
2693 /*
2694 * Is this entry for us? If so, we bail.
2695 */
2696
2697 if (fcp->isp_portid == clp->portid) {
2698 break;
2699 }
2700
2701 /*
2702 * Else, the default policy is to find room for it in
2703 * our local port database. Later, when we execute
2704 * the call to isp_pdb_sync either this newly arrived
2705 * or already logged in device will be (re)announced.
2706 */
2707
2708 if (fcp->isp_topo == TOPO_FL_PORT)
2709 base = FC_SNS_ID+1;
2710 else
2711 base = 0;
2712
2713 if (fcp->isp_topo == TOPO_N_PORT)
2714 lim = 1;
2715 else
2716 lim = MAX_FC_TARG;
2717
2718 /*
2719 * Is it already in our list?
2720 */
2721 for (target = base; target < lim; target++) {
2722 if (target >= FL_PORT_ID && target <= FC_SNS_ID) {
2723 continue;
2724 }
2725 lp = &fcp->portdb[target];
2726 if (lp->port_wwn == clp->port_wwn &&
2727 lp->node_wwn == clp->node_wwn) {
2728 lp->fabric_dev = 1;
2729 break;
2730 }
2731 }
2732 if (target < lim) {
2733 break;
2734 }
2735 for (target = base; target < lim; target++) {
2736 if (target >= FL_PORT_ID && target <= FC_SNS_ID) {
2737 continue;
2738 }
2739 lp = &fcp->portdb[target];
2740 if (lp->port_wwn == 0) {
2741 break;
2742 }
2743 }
2744 if (target == lim) {
2745 isp_prt(isp, ISP_LOGWARN,
2746 "out of space for fabric devices");
2747 break;
2748 }
2749 lp->port_type = clp->port_type;
2750 lp->fc4_type = clp->fc4_type;
2751 lp->node_wwn = clp->node_wwn;
2752 lp->port_wwn = clp->port_wwn;
2753 lp->portid = clp->portid;
2754 lp->fabric_dev = 1;
2755 break;
2756 }
2757#ifdef ISP_TARGET_MODE
2758 case ISPASYNC_TARGET_MESSAGE:
2759 {
2760 tmd_msg_t *mp = arg;
2761 isp_prt(isp, ISP_LOGALL,
2762 "bus %d iid %d tgt %d lun %d ttype %x tval %x msg[0]=%x",
2763 mp->nt_bus, (int) mp->nt_iid, (int) mp->nt_tgt,
2764 (int) mp->nt_lun, mp->nt_tagtype, mp->nt_tagval,
2765 mp->nt_msg[0]);
2766 break;
2767 }
2768 case ISPASYNC_TARGET_EVENT:
2769 {
2770 tmd_event_t *ep = arg;
2771 isp_prt(isp, ISP_LOGALL,
2772 "bus %d event code 0x%x", ep->ev_bus, ep->ev_event);
2773 break;
2774 }
2775 case ISPASYNC_TARGET_ACTION:
2776 switch (((isphdr_t *)arg)->rqs_entry_type) {
2777 default:
2778 isp_prt(isp, ISP_LOGWARN,
2779 "event 0x%x for unhandled target action",
2780 ((isphdr_t *)arg)->rqs_entry_type);
2781 break;
2782 case RQSTYPE_NOTIFY:
2783 if (IS_SCSI(isp)) {
2784 rv = isp_handle_platform_notify_scsi(isp,
2785 (in_entry_t *) arg);
2786 } else {
2787 rv = isp_handle_platform_notify_fc(isp,
2788 (in_fcentry_t *) arg);
2789 }
2790 break;
2791 case RQSTYPE_ATIO:
2792 rv = isp_handle_platform_atio(isp, (at_entry_t *) arg);
2793 break;
2794 case RQSTYPE_ATIO2:
2795 rv = isp_handle_platform_atio2(isp, (at2_entry_t *)arg);
2796 break;
2797 case RQSTYPE_CTIO2:
2798 case RQSTYPE_CTIO:
2799 rv = isp_handle_platform_ctio(isp, arg);
2800 break;
2801 case RQSTYPE_ENABLE_LUN:
2802 case RQSTYPE_MODIFY_LUN:
2803 if (IS_DUALBUS(isp)) {
2804 bus =
2805 GET_BUS_VAL(((lun_entry_t *)arg)->le_rsvd);
2806 } else {
2807 bus = 0;
2808 }
2809 isp_cv_signal_rqe(isp, bus,
2810 ((lun_entry_t *)arg)->le_status);
2811 break;
2812 }
2813 break;
2814#endif
2815 case ISPASYNC_FW_CRASH:
2816 {
2817 u_int16_t mbox1, mbox6;
2818 mbox1 = ISP_READ(isp, OUTMAILBOX1);
2819 if (IS_DUALBUS(isp)) {
2820 mbox6 = ISP_READ(isp, OUTMAILBOX6);
2821 } else {
2822 mbox6 = 0;
2823 }
2824 isp_prt(isp, ISP_LOGERR,
2825 "Internal Firmware Error on bus %d @ RISC Address 0x%x",
2826 mbox6, mbox1);
2827#ifdef ISP_FW_CRASH_DUMP
2828 /*
2829 * XXX: really need a thread to do this right.
2830 */
2831 if (IS_FC(isp)) {
2832 FCPARAM(isp)->isp_fwstate = FW_CONFIG_WAIT;
2833 FCPARAM(isp)->isp_loopstate = LOOP_NIL;
2834 isp_freeze_loopdown(isp, "f/w crash");
2835 isp_fw_dump(isp);
2836 }
2837 isp_reinit(isp);
2838 isp_async(isp, ISPASYNC_FW_RESTARTED, NULL);
2839#endif
2840 break;
2841 }
2842 case ISPASYNC_UNHANDLED_RESPONSE:
2843 break;
2844 default:
2845 isp_prt(isp, ISP_LOGERR, "unknown isp_async event %d", cmd);
2846 break;
2847 }
2848 return (rv);
2849}
2850
2851
2852/*
2853 * Locks are held before coming here.
2854 */
2855void
2856isp_uninit(struct ispsoftc *isp)
2857{
2858 ISP_WRITE(isp, HCCR, HCCR_CMD_RESET);
2859 DISABLE_INTS(isp);
2860}
2861
2862void
2863isp_prt(struct ispsoftc *isp, int level, const char *fmt, ...)
2864{
e2565a42 2865 __va_list ap;
984263bc
MD
2866 if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) {
2867 return;
2868 }
2869 printf("%s: ", device_get_nameunit(isp->isp_dev));
e2565a42 2870 __va_start(ap, fmt);
984263bc 2871 vprintf(fmt, ap);
e2565a42 2872 __va_end(ap);
984263bc
MD
2873 printf("\n");
2874}