2 * Copyright (c) 2003 Hidetoshi Shimokawa
3 * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the acknowledgement as bellow:
17 * This product includes software developed by K. Kobayashi and H. Shimokawa
19 * 4. The name of the author may not be used to endorse or promote products
20 * derived from this software without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
24 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
25 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
26 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
27 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
30 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
31 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
32 * POSSIBILITY OF SUCH DAMAGE.
34 * $FreeBSD: src/sys/dev/firewire/sbp.c,v 1.74 2004/01/08 14:58:09 simokawa Exp $
35 * $DragonFly: src/sys/dev/disk/sbp/sbp.c,v 1.29 2008/07/18 03:49:13 dillon Exp $
39 #include <sys/param.h>
40 #include <sys/systm.h>
42 #include <sys/module.h>
44 #include <sys/kernel.h>
45 #include <sys/sysctl.h>
46 #include <sys/malloc.h>
48 #include <sys/devicestat.h> /* for struct devstat */
49 #include <sys/thread2.h>
51 #include <bus/cam/cam.h>
52 #include <bus/cam/cam_ccb.h>
53 #include <bus/cam/cam_sim.h>
54 #include <bus/cam/cam_xpt_sim.h>
55 #include <bus/cam/cam_debug.h>
56 #include <bus/cam/cam_periph.h>
57 #include <bus/cam/scsi/scsi_all.h>
59 #include <bus/firewire/firewire.h>
60 #include <bus/firewire/firewirereg.h>
61 #include <bus/firewire/fwdma.h>
62 #include <bus/firewire/iec13213.h>
65 #define ccb_sdev_ptr spriv_ptr0
66 #define ccb_sbp_ptr spriv_ptr1
68 #define SBP_NUM_TARGETS 8 /* MAX 64 */
70 * Scan_bus doesn't work for more than 8 LUNs
71 * because of CAM_SCSI2_MAXLUN in cam_xpt.c
73 #define SBP_NUM_LUNS 64
74 #define SBP_DMA_SIZE PAGE_SIZE
75 #define SBP_LOGIN_SIZE sizeof(struct sbp_login_res)
76 #define SBP_QUEUE_LEN ((SBP_DMA_SIZE - SBP_LOGIN_SIZE) / sizeof(struct sbp_ocb))
77 #define SBP_NUM_OCB (SBP_QUEUE_LEN * SBP_NUM_TARGETS)
80 * STATUS FIFO addressing
82 * -----------------------
83 * 0- 1( 2): 0 (alingment)
87 * 32-47(16): SBP_BIND_HI
88 * 48-64(16): bus_id, node_id
90 #define SBP_BIND_HI 0x1
91 #define SBP_DEV2ADDR(t, l) \
92 (((u_int64_t)SBP_BIND_HI << 32) \
93 | (((l) & 0xff) << 8) \
94 | (((t) & 0x3f) << 2))
95 #define SBP_ADDR2TRG(a) (((a) >> 2) & 0x3f)
96 #define SBP_ADDR2LUN(a) (((a) >> 8) & 0xff)
97 #define SBP_INITIATOR 7
99 static char *orb_fun_name
[] = {
103 static int debug
= 0;
104 static int auto_login
= 1;
105 static int max_speed
= -1;
107 static int sbp_cold
= 1;
109 static int ex_login
= 1;
110 static int login_delay
= 1000; /* msec */
111 static int scan_delay
= 500; /* msec */
112 static int sbp_tags
= 0;
114 SYSCTL_DECL(_hw_firewire
);
115 SYSCTL_NODE(_hw_firewire
, OID_AUTO
, sbp
, CTLFLAG_RD
, 0, "SBP-II Subsystem");
116 SYSCTL_INT(_debug
, OID_AUTO
, sbp_debug
, CTLFLAG_RW
, &debug
, 0,
118 SYSCTL_INT(_hw_firewire_sbp
, OID_AUTO
, auto_login
, CTLFLAG_RW
, &auto_login
, 0,
119 "SBP perform login automatically");
120 SYSCTL_INT(_hw_firewire_sbp
, OID_AUTO
, max_speed
, CTLFLAG_RW
, &max_speed
, 0,
121 "SBP transfer max speed");
122 SYSCTL_INT(_hw_firewire_sbp
, OID_AUTO
, exclusive_login
, CTLFLAG_RW
,
123 &ex_login
, 0, "SBP transfer max speed");
124 SYSCTL_INT(_hw_firewire_sbp
, OID_AUTO
, login_delay
, CTLFLAG_RW
,
125 &login_delay
, 0, "SBP login delay in msec");
126 SYSCTL_INT(_hw_firewire_sbp
, OID_AUTO
, scan_delay
, CTLFLAG_RW
,
127 &scan_delay
, 0, "SBP scan delay in msec");
128 SYSCTL_INT(_hw_firewire_sbp
, OID_AUTO
, tags
, CTLFLAG_RW
, &sbp_tags
, 0,
129 "SBP tagged queuing support");
131 TUNABLE_INT("hw.firewire.sbp.auto_login", &auto_login
);
132 TUNABLE_INT("hw.firewire.sbp.max_speed", &max_speed
);
133 TUNABLE_INT("hw.firewire.sbp.exclusive_login", &ex_login
);
134 TUNABLE_INT("hw.firewire.sbp.login_delay", &login_delay
);
135 TUNABLE_INT("hw.firewire.sbp.scan_delay", &scan_delay
);
136 TUNABLE_INT("hw.firewire.sbp.tags", &sbp_tags
);
138 #define NEED_RESPONSE 0
140 #define SBP_SEG_MAX rounddown(0xffff, PAGE_SIZE)
141 #ifdef __sparc64__ /* iommu */
142 #define SBP_IND_MAX howmany(MAXPHYS, SBP_SEG_MAX)
144 #define SBP_IND_MAX howmany(MAXPHYS, PAGE_SIZE)
147 STAILQ_ENTRY(sbp_ocb
) ocb
;
151 #define IND_PTR_OFFSET (8*sizeof(u_int32_t))
152 struct ind_ptr ind_ptr
[SBP_IND_MAX
];
153 struct sbp_dev
*sdev
;
154 int flags
; /* XXX should be removed */
158 #define OCB_ACT_MGM 0
159 #define OCB_ACT_CMD 1
160 #define OCB_MATCH(o,s) ((o)->bus_addr == ntohl((s)->orb_lo))
163 #define SBP_DEV_RESET 0 /* accept login */
164 #define SBP_DEV_LOGIN 1 /* to login */
166 #define SBP_DEV_RECONN 2 /* to reconnect */
168 #define SBP_DEV_TOATTACH 3 /* to attach */
169 #define SBP_DEV_PROBE 4 /* scan lun */
170 #define SBP_DEV_ATTACHED 5 /* in operation */
171 #define SBP_DEV_DEAD 6 /* unavailable unit */
172 #define SBP_DEV_RETRY 7 /* unavailable unit */
178 #define ORB_LINK_DEAD (1 << 0)
179 #define VALID_LUN (1 << 1)
180 #define ORB_POINTER_ACTIVE (1 << 2)
181 #define ORB_POINTER_NEED (1 << 3)
183 struct cam_path
*path
;
184 struct sbp_target
*target
;
185 struct fwdma_alloc dma
;
186 struct sbp_login_res
*login
;
187 struct callout login_callout
;
189 STAILQ_HEAD(, sbp_ocb
) ocbs
;
190 STAILQ_HEAD(, sbp_ocb
) free_ocbs
;
199 struct sbp_dev
**luns
;
200 struct sbp_softc
*sbp
;
201 struct fw_device
*fwdev
;
202 u_int32_t mgm_hi
, mgm_lo
;
203 struct sbp_ocb
*mgm_ocb_cur
;
204 STAILQ_HEAD(, sbp_ocb
) mgm_ocb_queue
;
205 struct callout mgm_ocb_timeout
;
206 struct callout scan_callout
;
207 STAILQ_HEAD(, fw_xfer
) xferlist
;
212 struct firewire_dev_comm fd
;
214 struct cam_path
*path
;
215 struct sbp_target targets
[SBP_NUM_TARGETS
];
218 struct timeval last_busreset
;
219 #define SIMQ_FREEZED 1
223 static void sbp_post_explore (void *);
224 static void sbp_recv (struct fw_xfer
*);
225 static void sbp_mgm_callback (struct fw_xfer
*);
227 static void sbp_cmd_callback (struct fw_xfer
*);
229 static void sbp_orb_pointer (struct sbp_dev
*, struct sbp_ocb
*);
230 static void sbp_execute_ocb (void *, bus_dma_segment_t
*, int, int);
231 static void sbp_free_ocb (struct sbp_dev
*, struct sbp_ocb
*);
232 static void sbp_abort_ocb (struct sbp_ocb
*, int);
233 static void sbp_abort_all_ocbs (struct sbp_dev
*, int);
234 static struct fw_xfer
* sbp_write_cmd (struct sbp_dev
*, int, int);
235 static struct sbp_ocb
* sbp_get_ocb (struct sbp_dev
*);
236 static struct sbp_ocb
* sbp_enqueue_ocb (struct sbp_dev
*, struct sbp_ocb
*);
237 static struct sbp_ocb
* sbp_dequeue_ocb (struct sbp_dev
*, struct sbp_status
*);
238 static void sbp_cam_detach_sdev(struct sbp_dev
*);
239 static void sbp_free_sdev(struct sbp_dev
*);
240 static void sbp_cam_detach_target (struct sbp_target
*);
241 static void sbp_free_target (struct sbp_target
*);
242 static void sbp_mgm_timeout (void *arg
);
243 static void sbp_timeout (void *arg
);
244 static void sbp_mgm_orb (struct sbp_dev
*, int, struct sbp_ocb
*);
246 MALLOC_DEFINE(M_SBP
, "sbp", "SBP-II/FireWire");
248 /* cam related functions */
249 static void sbp_action(struct cam_sim
*sim
, union ccb
*ccb
);
250 static void sbp_poll(struct cam_sim
*sim
);
251 static void sbp_cam_scan_lun(struct cam_periph
*, union ccb
*);
252 static void sbp_cam_scan_target(void *arg
);
254 static char *orb_status0
[] = {
255 /* 0 */ "No additional information to report",
256 /* 1 */ "Request type not supported",
257 /* 2 */ "Speed not supported",
258 /* 3 */ "Page size not supported",
259 /* 4 */ "Access denied",
260 /* 5 */ "Logical unit not supported",
261 /* 6 */ "Maximum payload too small",
262 /* 7 */ "Reserved for future standardization",
263 /* 8 */ "Resources unavailable",
264 /* 9 */ "Function rejected",
265 /* A */ "Login ID not recognized",
266 /* B */ "Dummy ORB completed",
267 /* C */ "Request aborted",
268 /* FF */ "Unspecified error"
269 #define MAX_ORB_STATUS0 0xd
272 static char *orb_status1_object
[] = {
273 /* 0 */ "Operation request block (ORB)",
274 /* 1 */ "Data buffer",
275 /* 2 */ "Page table",
276 /* 3 */ "Unable to specify"
279 static char *orb_status1_serial_bus_error
[] = {
280 /* 0 */ "Missing acknowledge",
281 /* 1 */ "Reserved; not to be used",
282 /* 2 */ "Time-out error",
283 /* 3 */ "Reserved; not to be used",
284 /* 4 */ "Busy retry limit exceeded(X)",
285 /* 5 */ "Busy retry limit exceeded(A)",
286 /* 6 */ "Busy retry limit exceeded(B)",
287 /* 7 */ "Reserved for future standardization",
288 /* 8 */ "Reserved for future standardization",
289 /* 9 */ "Reserved for future standardization",
290 /* A */ "Reserved for future standardization",
291 /* B */ "Tardy retry limit exceeded",
292 /* C */ "Conflict error",
293 /* D */ "Data error",
294 /* E */ "Type error",
295 /* F */ "Address error"
302 sbp_probe(device_t dev
)
307 kprintf("sbp_probe\n");
310 pa
= device_get_parent(dev
);
311 if(device_get_unit(dev
) != device_get_unit(pa
)){
315 device_set_desc(dev
, "SBP-2/SCSI over FireWire");
323 sbp_show_sdev_info(struct sbp_dev
*sdev
, int new)
325 struct fw_device
*fwdev
;
328 device_get_nameunit(sdev
->target
->sbp
->fd
.dev
),
329 sdev
->target
->target_id
,
335 fwdev
= sdev
->target
->fwdev
;
336 kprintf("ordered:%d type:%d EUI:%08x%08x node:%d "
337 "speed:%d maxrec:%d",
338 (sdev
->type
& 0x40) >> 6,
350 sbp_show_sdev_info(sdev
, 2);
351 kprintf("'%s' '%s' '%s'\n", sdev
->vendor
, sdev
->product
, sdev
->revision
);
359 /* Bus Target EUI64 */
361 {0, 2, {0x00018ea0, 0x01fd0154}}, /* Logitec HDD */
362 {0, 0, {0x00018ea6, 0x00100682}}, /* Logitec DVD */
363 {0, 1, {0x00d03200, 0xa412006a}}, /* Yano HDD */
369 sbp_new_target(struct sbp_softc
*sbp
, struct fw_device
*fwdev
)
371 int bus
, i
, target
=-1;
372 char w
[SBP_NUM_TARGETS
];
375 bus
= device_get_unit(sbp
->fd
.dev
);
377 /* XXX wired-down configuration should be gotten from
378 tunable or device hint */
379 for (i
= 0; wired
[i
].bus
>= 0; i
++) {
380 if (wired
[i
].bus
== bus
) {
381 w
[wired
[i
].target
] = 1;
382 if (wired
[i
].eui
.hi
== fwdev
->eui
.hi
&&
383 wired
[i
].eui
.lo
== fwdev
->eui
.lo
)
384 target
= wired
[i
].target
;
388 if(target
< SBP_NUM_TARGETS
&&
389 sbp
->targets
[target
].fwdev
== NULL
)
391 device_printf(sbp
->fd
.dev
,
392 "target %d is not free for %08x:%08x\n",
393 target
, fwdev
->eui
.hi
, fwdev
->eui
.lo
);
396 /* non-wired target */
397 for (i
= 0; i
< SBP_NUM_TARGETS
; i
++)
398 if (sbp
->targets
[i
].fwdev
== NULL
&& w
[i
] == 0) {
407 sbp_alloc_lun(struct sbp_target
*target
)
409 struct crom_context cc
;
411 struct sbp_dev
*sdev
, **newluns
;
412 struct sbp_softc
*sbp
;
416 crom_init_context(&cc
, target
->fwdev
->csrrom
);
417 /* XXX shoud parse appropriate unit directories only */
419 while (cc
.depth
>= 0) {
420 reg
= crom_search_key(&cc
, CROM_LUN
);
423 lun
= reg
->val
& 0xffff;
425 kprintf("target %d lun %d found\n", target
->target_id
, lun
);
432 kprintf("%s:%d no LUN found\n",
433 device_get_nameunit(target
->sbp
->fd
.dev
),
437 if (maxlun
>= SBP_NUM_LUNS
)
438 maxlun
= SBP_NUM_LUNS
;
440 /* Invalidiate stale devices */
441 for (lun
= 0; lun
< target
->num_lun
; lun
++) {
442 sdev
= target
->luns
[lun
];
445 sdev
->flags
&= ~VALID_LUN
;
448 sbp_cam_detach_sdev(sdev
);
454 if (maxlun
!= target
->num_lun
) {
456 * note: krealloc() does not support M_ZERO. We must zero
457 * the extended region manually.
459 newluns
= krealloc(target
->luns
,
460 sizeof(struct sbp_dev
*) * maxlun
,
463 if (maxlun
> target
->num_lun
) {
464 bzero(&newluns
[target
->num_lun
],
465 sizeof(struct sbp_dev
*) *
466 (maxlun
- target
->num_lun
));
468 target
->luns
= newluns
;
469 target
->num_lun
= maxlun
;
472 crom_init_context(&cc
, target
->fwdev
->csrrom
);
473 while (cc
.depth
>= 0) {
476 reg
= crom_search_key(&cc
, CROM_LUN
);
479 lun
= reg
->val
& 0xffff;
480 if (lun
>= SBP_NUM_LUNS
) {
481 kprintf("too large lun %d\n", lun
);
485 sdev
= target
->luns
[lun
];
487 sdev
= kmalloc(sizeof(struct sbp_dev
),
488 M_SBP
, M_WAITOK
| M_ZERO
);
489 target
->luns
[lun
] = sdev
;
491 sdev
->target
= target
;
492 STAILQ_INIT(&sdev
->ocbs
);
493 CALLOUT_INIT(&sdev
->login_callout
);
494 sdev
->status
= SBP_DEV_RESET
;
497 sdev
->flags
|= VALID_LUN
;
498 sdev
->type
= (reg
->val
& 0xff0000) >> 16;
503 fwdma_malloc(sbp
->fd
.fc
,
504 /* alignment */ sizeof(u_int32_t
),
505 SBP_DMA_SIZE
, &sdev
->dma
, BUS_DMA_NOWAIT
);
506 if (sdev
->dma
.v_addr
== NULL
) {
507 kprintf("%s: dma space allocation failed\n",
510 target
->luns
[lun
] = NULL
;
513 sdev
->login
= (struct sbp_login_res
*) sdev
->dma
.v_addr
;
514 sdev
->ocb
= (struct sbp_ocb
*)
515 ((char *)sdev
->dma
.v_addr
+ SBP_LOGIN_SIZE
);
516 bzero((char *)sdev
->ocb
,
517 sizeof (struct sbp_ocb
) * SBP_QUEUE_LEN
);
519 STAILQ_INIT(&sdev
->free_ocbs
);
520 for (i
= 0; i
< SBP_QUEUE_LEN
; i
++) {
523 ocb
->bus_addr
= sdev
->dma
.bus_addr
525 + sizeof(struct sbp_ocb
) * i
526 + offsetof(struct sbp_ocb
, orb
[0]);
527 if (bus_dmamap_create(sbp
->dmat
, 0, &ocb
->dmamap
)) {
528 kprintf("sbp_attach: cannot create dmamap\n");
532 sbp_free_ocb(sdev
, ocb
);
538 for (lun
= 0; lun
< target
->num_lun
; lun
++) {
539 sdev
= target
->luns
[lun
];
540 if (sdev
!= NULL
&& (sdev
->flags
& VALID_LUN
) == 0) {
541 sbp_cam_detach_sdev(sdev
);
543 target
->luns
[lun
] = NULL
;
548 static struct sbp_target
*
549 sbp_alloc_target(struct sbp_softc
*sbp
, struct fw_device
*fwdev
)
552 struct sbp_target
*target
;
553 struct crom_context cc
;
557 kprintf("sbp_alloc_target\n");
559 i
= sbp_new_target(sbp
, fwdev
);
561 device_printf(sbp
->fd
.dev
, "increase SBP_NUM_TARGETS!\n");
565 target
= &sbp
->targets
[i
];
567 target
->fwdev
= fwdev
;
568 target
->target_id
= i
;
569 /* XXX we may want to reload mgm port after each bus reset */
570 /* XXX there might be multiple management agents */
571 crom_init_context(&cc
, target
->fwdev
->csrrom
);
572 reg
= crom_search_key(&cc
, CROM_MGM
);
573 if (reg
== NULL
|| reg
->val
== 0) {
574 kprintf("NULL management address\n");
575 target
->fwdev
= NULL
;
578 target
->mgm_hi
= 0xffff;
579 target
->mgm_lo
= 0xf0000000 | (reg
->val
<< 2);
580 target
->mgm_ocb_cur
= NULL
;
582 kprintf("target:%d mgm_port: %x\n", i
, target
->mgm_lo
);
584 STAILQ_INIT(&target
->xferlist
);
586 STAILQ_INIT(&target
->mgm_ocb_queue
);
587 CALLOUT_INIT(&target
->mgm_ocb_timeout
);
588 CALLOUT_INIT(&target
->scan_callout
);
596 sbp_probe_lun(struct sbp_dev
*sdev
)
598 struct fw_device
*fwdev
;
599 struct crom_context c
, *cc
= &c
;
602 bzero(sdev
->vendor
, sizeof(sdev
->vendor
));
603 bzero(sdev
->product
, sizeof(sdev
->product
));
605 fwdev
= sdev
->target
->fwdev
;
606 crom_init_context(cc
, fwdev
->csrrom
);
607 /* get vendor string */
608 crom_search_key(cc
, CSRKEY_VENDOR
);
610 crom_parse_text(cc
, sdev
->vendor
, sizeof(sdev
->vendor
));
611 /* skip to the unit directory for SBP-2 */
612 while ((reg
= crom_search_key(cc
, CSRKEY_VER
)) != NULL
) {
613 if (reg
->val
== CSRVAL_T10SBP2
)
617 /* get firmware revision */
618 reg
= crom_search_key(cc
, CSRKEY_FIRM_VER
);
620 ksnprintf(sdev
->revision
, sizeof(sdev
->revision
),
622 /* get product string */
623 crom_search_key(cc
, CSRKEY_MODEL
);
625 crom_parse_text(cc
, sdev
->product
, sizeof(sdev
->product
));
629 sbp_login_callout(void *arg
)
631 struct sbp_dev
*sdev
= (struct sbp_dev
*)arg
;
632 sbp_mgm_orb(sdev
, ORB_FUN_LGI
, NULL
);
636 sbp_login(struct sbp_dev
*sdev
)
638 struct timeval delta
;
643 timevalsub(&delta
, &sdev
->target
->sbp
->last_busreset
);
644 t
.tv_sec
= login_delay
/ 1000;
645 t
.tv_usec
= (login_delay
% 1000) * 1000;
646 timevalsub(&t
, &delta
);
647 if (t
.tv_sec
>= 0 && t
.tv_usec
> 0)
648 ticks
= (t
.tv_sec
* 1000 + t
.tv_usec
/ 1000) * hz
/ 1000;
650 kprintf("%s: sec = %ld usec = %ld ticks = %d\n", __func__
,
651 t
.tv_sec
, t
.tv_usec
, ticks
);
653 callout_reset(&sdev
->login_callout
, ticks
,
654 sbp_login_callout
, (void *)(sdev
));
657 #define SBP_FWDEV_ALIVE(fwdev) (((fwdev)->status == FWDEVATTACHED) \
658 && crom_has_specver((fwdev)->csrrom, CSRVAL_ANSIT10, CSRVAL_T10SBP2))
661 sbp_probe_target(void *arg
)
663 struct sbp_target
*target
= (struct sbp_target
*)arg
;
664 struct sbp_softc
*sbp
;
665 struct sbp_dev
*sdev
;
666 struct firewire_comm
*fc
;
669 alive
= SBP_FWDEV_ALIVE(target
->fwdev
);
671 kprintf("sbp_probe_target %d\n", target
->target_id
);
673 kprintf("not alive\n");
677 fc
= target
->sbp
->fd
.fc
;
678 sbp_alloc_lun(target
);
680 /* XXX callout_stop mgm_ocb and dequeue */
681 for (i
=0; i
< target
->num_lun
; i
++) {
682 sdev
= target
->luns
[i
];
685 if (alive
&& (sdev
->status
!= SBP_DEV_DEAD
)) {
686 if (sdev
->path
!= NULL
) {
687 xpt_freeze_devq(sdev
->path
, 1);
692 sbp_show_sdev_info(sdev
,
693 (sdev
->status
== SBP_DEV_RESET
));
696 sbp_abort_all_ocbs(sdev
, CAM_SCSI_BUS_RESET
);
697 switch (sdev
->status
) {
699 /* new or revived target */
703 case SBP_DEV_TOATTACH
:
705 case SBP_DEV_ATTACHED
:
708 sbp_mgm_orb(sdev
, ORB_FUN_RCN
, NULL
);
712 switch (sdev
->status
) {
713 case SBP_DEV_ATTACHED
:
715 /* the device has gone */
716 sbp_show_sdev_info(sdev
, 2);
717 kprintf("lost target\n");
721 xpt_freeze_devq(sdev
->path
, 1);
724 sdev
->status
= SBP_DEV_RETRY
;
725 sbp_abort_all_ocbs(sdev
, CAM_SCSI_BUS_RESET
);
727 sbp_cam_detach_target(sdev
->target
);
728 sdev
->status
= SBP_DEV_RESET
;
731 case SBP_DEV_TOATTACH
:
732 sdev
->status
= SBP_DEV_RESET
;
744 sbp_post_busreset(void *arg
)
746 struct sbp_softc
*sbp
;
748 sbp
= (struct sbp_softc
*)arg
;
750 kprintf("sbp_post_busreset\n");
752 if ((sbp
->sim
->flags
& SIMQ_FREEZED
) == 0) {
753 xpt_freeze_simq(sbp
->sim
, /*count*/1);
754 sbp
->sim
->flags
|= SIMQ_FREEZED
;
756 microtime(&sbp
->last_busreset
);
760 sbp_post_explore(void *arg
)
762 struct sbp_softc
*sbp
= (struct sbp_softc
*)arg
;
763 struct sbp_target
*target
;
764 struct fw_device
*fwdev
;
768 kprintf("sbp_post_explore\n");
777 * XXX don't let CAM the bus rest.
778 * CAM tries to do something with freezed (DEV_RETRY) devices.
780 xpt_async(AC_BUS_RESET
, sbp
->path
, /*arg*/ NULL
);
783 /* Gabage Collection */
784 for(i
= 0 ; i
< SBP_NUM_TARGETS
; i
++){
785 target
= &sbp
->targets
[i
];
786 STAILQ_FOREACH(fwdev
, &sbp
->fd
.fc
->devices
, link
)
787 if (target
->fwdev
== NULL
|| target
->fwdev
== fwdev
)
790 /* device has removed in lower driver */
791 sbp_cam_detach_target(target
);
792 sbp_free_target(target
);
795 /* traverse device list */
796 STAILQ_FOREACH(fwdev
, &sbp
->fd
.fc
->devices
, link
) {
798 kprintf("sbp_post_explore: EUI:%08x%08x ",
799 fwdev
->eui
.hi
, fwdev
->eui
.lo
);
800 if (fwdev
->status
!= FWDEVATTACHED
)
801 kprintf("not attached, state=%d.\n", fwdev
->status
);
803 kprintf("attached\n");
805 alive
= SBP_FWDEV_ALIVE(fwdev
);
806 for(i
= 0 ; i
< SBP_NUM_TARGETS
; i
++){
807 target
= &sbp
->targets
[i
];
808 if(target
->fwdev
== fwdev
) {
813 if(i
== SBP_NUM_TARGETS
){
816 target
= sbp_alloc_target(sbp
, fwdev
);
823 sbp_probe_target((void *)target
);
824 if (target
->num_lun
== 0)
825 sbp_free_target(target
);
827 xpt_release_simq(sbp
->sim
, /*run queue*/TRUE
);
828 sbp
->sim
->flags
&= ~SIMQ_FREEZED
;
833 sbp_loginres_callback(struct fw_xfer
*xfer
){
834 struct sbp_dev
*sdev
;
835 sdev
= (struct sbp_dev
*)xfer
->sc
;
837 sbp_show_sdev_info(sdev
, 2);
838 kprintf("sbp_loginres_callback\n");
842 STAILQ_INSERT_TAIL(&sdev
->target
->sbp
->fwb
.xferlist
, xfer
, link
);
849 sbp_xfer_free(struct fw_xfer
*xfer
)
851 struct sbp_dev
*sdev
;
853 sdev
= (struct sbp_dev
*)xfer
->sc
;
854 fw_xfer_unload(xfer
);
856 STAILQ_INSERT_TAIL(&sdev
->target
->xferlist
, xfer
, link
);
861 sbp_reset_start_callback(struct fw_xfer
*xfer
)
863 struct sbp_dev
*tsdev
, *sdev
= (struct sbp_dev
*)xfer
->sc
;
864 struct sbp_target
*target
= sdev
->target
;
867 if (xfer
->resp
!= 0) {
868 sbp_show_sdev_info(sdev
, 2);
869 kprintf("sbp_reset_start failed: resp=%d\n", xfer
->resp
);
872 for (i
= 0; i
< target
->num_lun
; i
++) {
873 tsdev
= target
->luns
[i
];
874 if (tsdev
!= NULL
&& tsdev
->status
== SBP_DEV_LOGIN
)
880 sbp_reset_start(struct sbp_dev
*sdev
)
882 struct fw_xfer
*xfer
;
886 sbp_show_sdev_info(sdev
, 2);
887 kprintf("sbp_reset_start\n");
890 xfer
= sbp_write_cmd(sdev
, FWTCODE_WREQQ
, 0);
891 xfer
->act
.hand
= sbp_reset_start_callback
;
892 fp
= &xfer
->send
.hdr
;
893 fp
->mode
.wreqq
.dest_hi
= 0xffff;
894 fp
->mode
.wreqq
.dest_lo
= 0xf0000000 | RESET_START
;
895 fp
->mode
.wreqq
.data
= htonl(0xf);
896 fw_asyreq(xfer
->fc
, -1, xfer
);
900 sbp_mgm_callback(struct fw_xfer
*xfer
)
902 struct sbp_dev
*sdev
;
905 sdev
= (struct sbp_dev
*)xfer
->sc
;
908 sbp_show_sdev_info(sdev
, 2);
909 kprintf("sbp_mgm_callback\n");
915 sbp_show_sdev_info(sdev
, 2);
916 kprintf("management ORB failed(%d) ... RESET_START\n", resp
);
917 sbp_reset_start(sdev
);
923 static struct sbp_dev
*
924 sbp_next_dev(struct sbp_target
*target
, int lun
)
926 struct sbp_dev
**sdevp
;
929 for (i
= lun
, sdevp
= &target
->luns
[lun
]; i
< target
->num_lun
;
931 if (*sdevp
!= NULL
&& (*sdevp
)->status
== SBP_DEV_PROBE
)
938 sbp_cam_scan_lun(struct cam_periph
*periph
, union ccb
*ccb
)
940 struct sbp_target
*target
;
941 struct sbp_dev
*sdev
;
943 sdev
= (struct sbp_dev
*) ccb
->ccb_h
.ccb_sdev_ptr
;
944 target
= sdev
->target
;
946 sbp_show_sdev_info(sdev
, 2);
947 kprintf("sbp_cam_scan_lun\n");
949 if ((ccb
->ccb_h
.status
& CAM_STATUS_MASK
) == CAM_REQ_CMP
) {
950 sdev
->status
= SBP_DEV_ATTACHED
;
952 sbp_show_sdev_info(sdev
, 2);
953 kprintf("scan failed\n");
955 sdev
= sbp_next_dev(target
, sdev
->lun_id
+ 1);
961 xpt_setup_ccb(&ccb
->ccb_h
, sdev
->path
, SCAN_PRI
);
962 ccb
->ccb_h
.ccb_sdev_ptr
= sdev
;
964 xpt_release_devq(sdev
->path
, sdev
->freeze
, TRUE
);
969 sbp_cam_scan_target(void *arg
)
971 struct sbp_target
*target
= (struct sbp_target
*)arg
;
972 struct sbp_dev
*sdev
;
975 sdev
= sbp_next_dev(target
, 0);
977 kprintf("sbp_cam_scan_target: nothing to do for target%d\n",
982 sbp_show_sdev_info(sdev
, 2);
983 kprintf("sbp_cam_scan_target\n");
985 ccb
= kmalloc(sizeof(union ccb
), M_SBP
, M_WAITOK
| M_ZERO
);
986 xpt_setup_ccb(&ccb
->ccb_h
, sdev
->path
, SCAN_PRI
);
987 ccb
->ccb_h
.func_code
= XPT_SCAN_LUN
;
988 ccb
->ccb_h
.cbfcnp
= sbp_cam_scan_lun
;
989 ccb
->ccb_h
.flags
|= CAM_DEV_QFREEZE
;
990 ccb
->crcn
.flags
= CAM_FLAG_NONE
;
991 ccb
->ccb_h
.ccb_sdev_ptr
= sdev
;
993 /* The scan is in progress now. */
995 xpt_release_devq(sdev
->path
, sdev
->freeze
, TRUE
);
1000 sbp_scan_dev(struct sbp_dev
*sdev
)
1002 sdev
->status
= SBP_DEV_PROBE
;
1003 callout_reset(&sdev
->target
->scan_callout
, scan_delay
* hz
/ 1000,
1004 sbp_cam_scan_target
, (void *)sdev
->target
);
1008 sbp_do_attach(struct fw_xfer
*xfer
)
1010 struct sbp_dev
*sdev
;
1011 struct sbp_target
*target
;
1012 struct sbp_softc
*sbp
;
1014 sdev
= (struct sbp_dev
*)xfer
->sc
;
1015 target
= sdev
->target
;
1018 sbp_show_sdev_info(sdev
, 2);
1019 kprintf("sbp_do_attach\n");
1021 sbp_xfer_free(xfer
);
1023 if (sdev
->path
== NULL
)
1024 xpt_create_path(&sdev
->path
, xpt_periph
,
1025 cam_sim_path(target
->sbp
->sim
),
1026 target
->target_id
, sdev
->lun_id
);
1030 * Let CAM scan the bus if we are in the boot process.
1031 * XXX xpt_scan_bus cannot detect LUN larger than 0
1032 * if LUN 0 doesn't exists.
1035 sdev
->status
= SBP_DEV_ATTACHED
;
1045 sbp_agent_reset_callback(struct fw_xfer
*xfer
)
1047 struct sbp_dev
*sdev
;
1049 sdev
= (struct sbp_dev
*)xfer
->sc
;
1051 sbp_show_sdev_info(sdev
, 2);
1052 kprintf("%s\n", __func__
);
1054 if (xfer
->resp
!= 0) {
1055 sbp_show_sdev_info(sdev
, 2);
1056 kprintf("%s: resp=%d\n", __func__
, xfer
->resp
);
1059 sbp_xfer_free(xfer
);
1061 xpt_release_devq(sdev
->path
, sdev
->freeze
, TRUE
);
1067 sbp_agent_reset(struct sbp_dev
*sdev
)
1069 struct fw_xfer
*xfer
;
1073 sbp_show_sdev_info(sdev
, 2);
1074 kprintf("sbp_agent_reset\n");
1076 xfer
= sbp_write_cmd(sdev
, FWTCODE_WREQQ
, 0x04);
1079 if (sdev
->status
== SBP_DEV_ATTACHED
|| sdev
->status
== SBP_DEV_PROBE
)
1080 xfer
->act
.hand
= sbp_agent_reset_callback
;
1082 xfer
->act
.hand
= sbp_do_attach
;
1083 fp
= &xfer
->send
.hdr
;
1084 fp
->mode
.wreqq
.data
= htonl(0xf);
1085 fw_asyreq(xfer
->fc
, -1, xfer
);
1086 sbp_abort_all_ocbs(sdev
, CAM_BDR_SENT
);
1090 sbp_busy_timeout_callback(struct fw_xfer
*xfer
)
1092 struct sbp_dev
*sdev
;
1094 sdev
= (struct sbp_dev
*)xfer
->sc
;
1096 sbp_show_sdev_info(sdev
, 2);
1097 kprintf("sbp_busy_timeout_callback\n");
1099 sbp_xfer_free(xfer
);
1100 sbp_agent_reset(sdev
);
1104 sbp_busy_timeout(struct sbp_dev
*sdev
)
1107 struct fw_xfer
*xfer
;
1109 sbp_show_sdev_info(sdev
, 2);
1110 kprintf("sbp_busy_timeout\n");
1112 xfer
= sbp_write_cmd(sdev
, FWTCODE_WREQQ
, 0);
1114 xfer
->act
.hand
= sbp_busy_timeout_callback
;
1115 fp
= &xfer
->send
.hdr
;
1116 fp
->mode
.wreqq
.dest_hi
= 0xffff;
1117 fp
->mode
.wreqq
.dest_lo
= 0xf0000000 | BUSY_TIMEOUT
;
1118 fp
->mode
.wreqq
.data
= htonl((1 << (13+12)) | 0xf);
1119 fw_asyreq(xfer
->fc
, -1, xfer
);
1123 sbp_orb_pointer_callback(struct fw_xfer
*xfer
)
1125 struct sbp_dev
*sdev
;
1126 sdev
= (struct sbp_dev
*)xfer
->sc
;
1129 sbp_show_sdev_info(sdev
, 2);
1130 kprintf("%s\n", __func__
);
1132 if (xfer
->resp
!= 0) {
1134 kprintf("%s: xfer->resp = %d\n", __func__
, xfer
->resp
);
1136 sbp_xfer_free(xfer
);
1137 sdev
->flags
&= ~ORB_POINTER_ACTIVE
;
1139 if ((sdev
->flags
& ORB_POINTER_NEED
) != 0) {
1140 struct sbp_ocb
*ocb
;
1142 sdev
->flags
&= ~ORB_POINTER_NEED
;
1143 ocb
= STAILQ_FIRST(&sdev
->ocbs
);
1145 sbp_orb_pointer(sdev
, ocb
);
1151 sbp_orb_pointer(struct sbp_dev
*sdev
, struct sbp_ocb
*ocb
)
1153 struct fw_xfer
*xfer
;
1156 sbp_show_sdev_info(sdev
, 2);
1157 kprintf("%s: 0x%08x\n", __func__
, (u_int32_t
)ocb
->bus_addr
);
1160 if ((sdev
->flags
& ORB_POINTER_ACTIVE
) != 0) {
1162 kprintf("%s: orb pointer active\n", __func__
);
1164 sdev
->flags
|= ORB_POINTER_NEED
;
1168 sdev
->flags
|= ORB_POINTER_ACTIVE
;
1169 xfer
= sbp_write_cmd(sdev
, FWTCODE_WREQB
, 0x08);
1172 xfer
->act
.hand
= sbp_orb_pointer_callback
;
1174 fp
= &xfer
->send
.hdr
;
1175 fp
->mode
.wreqb
.len
= 8;
1176 fp
->mode
.wreqb
.extcode
= 0;
1177 xfer
->send
.payload
[0] =
1178 htonl(((sdev
->target
->sbp
->fd
.fc
->nodeid
| FWLOCALBUS
)<< 16));
1179 xfer
->send
.payload
[1] = htonl((u_int32_t
)ocb
->bus_addr
);
1181 if(fw_asyreq(xfer
->fc
, -1, xfer
) != 0){
1182 sbp_xfer_free(xfer
);
1183 ocb
->ccb
->ccb_h
.status
= CAM_REQ_INVALID
;
1190 sbp_cmd_callback(struct fw_xfer
*xfer
)
1193 struct sbp_dev
*sdev
;
1194 sdev
= (struct sbp_dev
*)xfer
->sc
;
1195 sbp_show_sdev_info(sdev
, 2);
1196 kprintf("sbp_cmd_callback\n");
1198 if (xfer
->resp
!= 0) {
1200 kprintf("%s: xfer->resp = %d\n", __func__
, xfer
->resp
);
1202 sbp_xfer_free(xfer
);
1207 sbp_doorbell(struct sbp_dev
*sdev
)
1209 struct fw_xfer
*xfer
;
1212 sbp_show_sdev_info(sdev
, 2);
1213 kprintf("sbp_doorbell\n");
1216 xfer
= sbp_write_cmd(sdev
, FWTCODE_WREQQ
, 0x10);
1219 xfer
->act
.hand
= sbp_cmd_callback
;
1220 fp
= (struct fw_pkt
*)xfer
->send
.buf
;
1221 fp
->mode
.wreqq
.data
= htonl(0xf);
1222 fw_asyreq(xfer
->fc
, -1, xfer
);
1226 static struct fw_xfer
*
1227 sbp_write_cmd(struct sbp_dev
*sdev
, int tcode
, int offset
)
1229 struct fw_xfer
*xfer
;
1231 struct sbp_target
*target
;
1234 target
= sdev
->target
;
1236 xfer
= STAILQ_FIRST(&target
->xferlist
);
1238 if (target
->n_xfer
> 5 /* XXX */) {
1239 kprintf("sbp: no more xfer for this target\n");
1243 xfer
= fw_xfer_alloc_buf(M_SBP
, 8, 0);
1245 kprintf("sbp: fw_xfer_alloc_buf failed\n");
1251 kprintf("sbp: alloc %d xfer\n", target
->n_xfer
);
1254 STAILQ_REMOVE_HEAD(&target
->xferlist
, link
);
1258 microtime(&xfer
->tv
);
1261 xfer
->recv
.pay_len
= 0;
1262 xfer
->send
.spd
= min(sdev
->target
->fwdev
->speed
, max_speed
);
1263 xfer
->fc
= sdev
->target
->sbp
->fd
.fc
;
1264 xfer
->retry_req
= fw_asybusy
;
1267 if (tcode
== FWTCODE_WREQB
)
1268 xfer
->send
.pay_len
= 8;
1270 xfer
->send
.pay_len
= 0;
1272 xfer
->sc
= (caddr_t
)sdev
;
1273 fp
= &xfer
->send
.hdr
;
1274 fp
->mode
.wreqq
.dest_hi
= sdev
->login
->cmd_hi
;
1275 fp
->mode
.wreqq
.dest_lo
= sdev
->login
->cmd_lo
+ offset
;
1276 fp
->mode
.wreqq
.tlrt
= 0;
1277 fp
->mode
.wreqq
.tcode
= tcode
;
1278 fp
->mode
.wreqq
.pri
= 0;
1279 fp
->mode
.wreqq
.dst
= FWLOCALBUS
| sdev
->target
->fwdev
->dst
;
1286 sbp_mgm_orb(struct sbp_dev
*sdev
, int func
, struct sbp_ocb
*aocb
)
1288 struct fw_xfer
*xfer
;
1290 struct sbp_ocb
*ocb
;
1291 struct sbp_target
*target
;
1294 target
= sdev
->target
;
1295 nid
= target
->sbp
->fd
.fc
->nodeid
| FWLOCALBUS
;
1298 if (func
== ORB_FUN_RUNQUEUE
) {
1299 ocb
= STAILQ_FIRST(&target
->mgm_ocb_queue
);
1300 if (target
->mgm_ocb_cur
!= NULL
|| ocb
== NULL
) {
1304 STAILQ_REMOVE_HEAD(&target
->mgm_ocb_queue
, ocb
);
1307 if ((ocb
= sbp_get_ocb(sdev
)) == NULL
) {
1312 ocb
->flags
= OCB_ACT_MGM
;
1315 bzero((void *)ocb
->orb
, sizeof(ocb
->orb
));
1316 ocb
->orb
[6] = htonl((nid
<< 16) | SBP_BIND_HI
);
1317 ocb
->orb
[7] = htonl(SBP_DEV2ADDR(target
->target_id
, sdev
->lun_id
));
1320 sbp_show_sdev_info(sdev
, 2);
1321 kprintf("%s\n", orb_fun_name
[(func
>>16)&0xf]);
1325 ocb
->orb
[0] = ocb
->orb
[1] = 0; /* password */
1326 ocb
->orb
[2] = htonl(nid
<< 16);
1327 ocb
->orb
[3] = htonl(sdev
->dma
.bus_addr
);
1328 ocb
->orb
[4] = htonl(ORB_NOTIFY
| sdev
->lun_id
);
1330 ocb
->orb
[4] |= htonl(ORB_EXV
);
1331 ocb
->orb
[5] = htonl(SBP_LOGIN_SIZE
);
1332 fwdma_sync(&sdev
->dma
, BUS_DMASYNC_PREREAD
);
1335 ocb
->orb
[0] = htonl((0 << 16) | 0);
1336 ocb
->orb
[1] = htonl(aocb
->bus_addr
& 0xffffffff);
1343 ocb
->orb
[4] = htonl(ORB_NOTIFY
| func
| sdev
->login
->id
);
1347 if (target
->mgm_ocb_cur
!= NULL
) {
1348 /* there is a standing ORB */
1349 STAILQ_INSERT_TAIL(&sdev
->target
->mgm_ocb_queue
, ocb
, ocb
);
1354 target
->mgm_ocb_cur
= ocb
;
1357 callout_reset(&target
->mgm_ocb_timeout
, 5*hz
,
1358 sbp_mgm_timeout
, (caddr_t
)ocb
);
1359 xfer
= sbp_write_cmd(sdev
, FWTCODE_WREQB
, 0);
1363 xfer
->act
.hand
= sbp_mgm_callback
;
1365 fp
= &xfer
->send
.hdr
;
1366 fp
->mode
.wreqb
.dest_hi
= sdev
->target
->mgm_hi
;
1367 fp
->mode
.wreqb
.dest_lo
= sdev
->target
->mgm_lo
;
1368 fp
->mode
.wreqb
.len
= 8;
1369 fp
->mode
.wreqb
.extcode
= 0;
1370 xfer
->send
.payload
[0] = htonl(nid
<< 16);
1371 xfer
->send
.payload
[1] = htonl(ocb
->bus_addr
& 0xffffffff);
1373 sbp_show_sdev_info(sdev
, 2);
1374 kprintf("mgm orb: %08x\n", (u_int32_t
)ocb
->bus_addr
);
1377 fw_asyreq(xfer
->fc
, -1, xfer
);
1381 sbp_print_scsi_cmd(struct sbp_ocb
*ocb
)
1383 struct ccb_scsiio
*csio
;
1385 csio
= &ocb
->ccb
->csio
;
1386 kprintf("%s:%d:%d XPT_SCSI_IO: "
1387 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x"
1389 "%db cmd/%db data/%db sense\n",
1390 device_get_nameunit(ocb
->sdev
->target
->sbp
->fd
.dev
),
1391 ocb
->ccb
->ccb_h
.target_id
, ocb
->ccb
->ccb_h
.target_lun
,
1392 csio
->cdb_io
.cdb_bytes
[0],
1393 csio
->cdb_io
.cdb_bytes
[1],
1394 csio
->cdb_io
.cdb_bytes
[2],
1395 csio
->cdb_io
.cdb_bytes
[3],
1396 csio
->cdb_io
.cdb_bytes
[4],
1397 csio
->cdb_io
.cdb_bytes
[5],
1398 csio
->cdb_io
.cdb_bytes
[6],
1399 csio
->cdb_io
.cdb_bytes
[7],
1400 csio
->cdb_io
.cdb_bytes
[8],
1401 csio
->cdb_io
.cdb_bytes
[9],
1402 ocb
->ccb
->ccb_h
.flags
& CAM_DIR_MASK
,
1403 csio
->cdb_len
, csio
->dxfer_len
,
1408 sbp_scsi_status(struct sbp_status
*sbp_status
, struct sbp_ocb
*ocb
)
1410 struct sbp_cmd_status
*sbp_cmd_status
;
1411 struct scsi_sense_data
*sense
;
1413 sbp_cmd_status
= (struct sbp_cmd_status
*)sbp_status
->data
;
1414 sense
= &ocb
->ccb
->csio
.sense_data
;
1417 sbp_print_scsi_cmd(ocb
);
1418 /* XXX need decode status */
1419 sbp_show_sdev_info(ocb
->sdev
, 2);
1420 kprintf("SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d\n",
1421 sbp_cmd_status
->status
,
1422 sbp_cmd_status
->sfmt
,
1423 sbp_cmd_status
->valid
,
1424 sbp_cmd_status
->s_key
,
1425 sbp_cmd_status
->s_code
,
1426 sbp_cmd_status
->s_qlfr
,
1431 switch (sbp_cmd_status
->status
) {
1432 case SCSI_STATUS_CHECK_COND
:
1433 case SCSI_STATUS_BUSY
:
1434 case SCSI_STATUS_CMD_TERMINATED
:
1435 if(sbp_cmd_status
->sfmt
== SBP_SFMT_CURR
){
1436 sense
->error_code
= SSD_CURRENT_ERROR
;
1438 sense
->error_code
= SSD_DEFERRED_ERROR
;
1440 if(sbp_cmd_status
->valid
)
1441 sense
->error_code
|= SSD_ERRCODE_VALID
;
1442 sense
->flags
= sbp_cmd_status
->s_key
;
1443 if(sbp_cmd_status
->mark
)
1444 sense
->flags
|= SSD_FILEMARK
;
1445 if(sbp_cmd_status
->eom
)
1446 sense
->flags
|= SSD_EOM
;
1447 if(sbp_cmd_status
->ill_len
)
1448 sense
->flags
|= SSD_ILI
;
1450 bcopy(&sbp_cmd_status
->info
, &sense
->info
[0], 4);
1452 if (sbp_status
->len
<= 1)
1453 /* XXX not scsi status. shouldn't be happened */
1454 sense
->extra_len
= 0;
1455 else if (sbp_status
->len
<= 4)
1456 /* add_sense_code(_qual), info, cmd_spec_info */
1457 sense
->extra_len
= 6;
1459 /* fru, sense_key_spec */
1460 sense
->extra_len
= 10;
1462 bcopy(&sbp_cmd_status
->cdb
, &sense
->cmd_spec_info
[0], 4);
1464 sense
->add_sense_code
= sbp_cmd_status
->s_code
;
1465 sense
->add_sense_code_qual
= sbp_cmd_status
->s_qlfr
;
1466 sense
->fru
= sbp_cmd_status
->fru
;
1468 bcopy(&sbp_cmd_status
->s_keydep
[0],
1469 &sense
->sense_key_spec
[0], 3);
1471 ocb
->ccb
->csio
.scsi_status
= sbp_cmd_status
->status
;
1472 ocb
->ccb
->ccb_h
.status
= CAM_SCSI_STATUS_ERROR
1473 | CAM_AUTOSNS_VALID
;
1478 for( j = 0 ; j < 32 ; j+=8){
1479 kprintf("sense %02x%02x %02x%02x %02x%02x %02x%02x\n",
1480 tmp[j], tmp[j+1], tmp[j+2], tmp[j+3],
1481 tmp[j+4], tmp[j+5], tmp[j+6], tmp[j+7]);
1488 sbp_show_sdev_info(ocb
->sdev
, 2);
1489 kprintf("sbp_scsi_status: unknown scsi status 0x%x\n",
1490 sbp_cmd_status
->status
);
1495 sbp_fix_inq_data(struct sbp_ocb
*ocb
)
1498 struct sbp_dev
*sdev
;
1499 struct scsi_inquiry_data
*inq
;
1504 if (ccb
->csio
.cdb_io
.cdb_bytes
[1] & SI_EVPD
)
1507 sbp_show_sdev_info(sdev
, 2);
1508 kprintf("sbp_fix_inq_data\n");
1510 inq
= (struct scsi_inquiry_data
*) ccb
->csio
.data_ptr
;
1511 switch (SID_TYPE(inq
)) {
1515 * XXX Convert Direct Access device to RBC.
1516 * I've never seen FireWire DA devices which support READ_6.
1518 if (SID_TYPE(inq
) == T_DIRECT
)
1519 inq
->device
|= T_RBC
; /* T_DIRECT == 0 */
1523 /* enable tagged queuing */
1525 inq
->flags
|= SID_CmdQue
;
1527 inq
->flags
&= ~SID_CmdQue
;
1529 * Override vendor/product/revision information.
1530 * Some devices sometimes return strange strings.
1533 bcopy(sdev
->vendor
, inq
->vendor
, sizeof(inq
->vendor
));
1534 bcopy(sdev
->product
, inq
->product
, sizeof(inq
->product
));
1535 bcopy(sdev
->revision
+2, inq
->revision
, sizeof(inq
->revision
));
1542 sbp_recv1(struct fw_xfer
*xfer
)
1548 struct sbp_softc
*sbp
;
1549 struct sbp_dev
*sdev
;
1550 struct sbp_ocb
*ocb
;
1551 struct sbp_login_res
*login_res
= NULL
;
1552 struct sbp_status
*sbp_status
;
1553 struct sbp_target
*target
;
1554 int orb_fun
, status_valid0
, status_valid
, t
, l
, reset_agent
= 0;
1558 ld = xfer->recv.buf;
1559 kprintf("sbp %x %d %d %08x %08x %08x %08x\n",
1560 xfer->resp, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3]));
1561 kprintf("sbp %08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7]));
1562 kprintf("sbp %08x %08x %08x %08x\n", ntohl(ld[8]), ntohl(ld[9]), ntohl(ld[10]), ntohl(ld[11]));
1564 sbp
= (struct sbp_softc
*)xfer
->sc
;
1565 if (xfer
->resp
!= 0){
1566 kprintf("sbp_recv: xfer->resp = %d\n", xfer
->resp
);
1569 if (xfer
->recv
.payload
== NULL
){
1570 kprintf("sbp_recv: xfer->recv.payload == NULL\n");
1573 rfp
= &xfer
->recv
.hdr
;
1574 if(rfp
->mode
.wreqb
.tcode
!= FWTCODE_WREQB
){
1575 kprintf("sbp_recv: tcode = %d\n", rfp
->mode
.wreqb
.tcode
);
1578 sbp_status
= (struct sbp_status
*)xfer
->recv
.payload
;
1579 addr
= rfp
->mode
.wreqb
.dest_lo
;
1581 kprintf("received address 0x%x\n", addr
);
1583 t
= SBP_ADDR2TRG(addr
);
1584 if (t
>= SBP_NUM_TARGETS
) {
1585 device_printf(sbp
->fd
.dev
,
1586 "sbp_recv1: invalid target %d\n", t
);
1589 target
= &sbp
->targets
[t
];
1590 l
= SBP_ADDR2LUN(addr
);
1591 if (l
>= target
->num_lun
|| target
->luns
[l
] == NULL
) {
1592 device_printf(sbp
->fd
.dev
,
1593 "sbp_recv1: invalid lun %d (target=%d)\n", l
, t
);
1596 sdev
= target
->luns
[l
];
1599 switch (sbp_status
->src
) {
1602 /* check mgm_ocb_cur first */
1603 ocb
= target
->mgm_ocb_cur
;
1605 if (OCB_MATCH(ocb
, sbp_status
)) {
1606 callout_stop(&target
->mgm_ocb_timeout
);
1607 target
->mgm_ocb_cur
= NULL
;
1611 ocb
= sbp_dequeue_ocb(sdev
, sbp_status
);
1613 sbp_show_sdev_info(sdev
, 2);
1614 kprintf("No ocb(%x) on the queue\n",
1615 ntohl(sbp_status
->orb_lo
));
1620 sbp_show_sdev_info(sdev
, 2);
1621 kprintf("unsolicit status received\n");
1624 sbp_show_sdev_info(sdev
, 2);
1625 kprintf("unknown sbp_status->src\n");
1628 status_valid0
= (sbp_status
->src
< 2
1629 && sbp_status
->resp
== ORB_RES_CMPL
1630 && sbp_status
->dead
== 0);
1631 status_valid
= (status_valid0
&& sbp_status
->status
== 0);
1633 if (!status_valid0
|| debug
> 2){
1636 sbp_show_sdev_info(sdev
, 2);
1637 kprintf("ORB status src:%x resp:%x dead:%x"
1638 " len:%x stat:%x orb:%x%08x\n",
1639 sbp_status
->src
, sbp_status
->resp
, sbp_status
->dead
,
1640 sbp_status
->len
, sbp_status
->status
,
1641 ntohs(sbp_status
->orb_hi
), ntohl(sbp_status
->orb_lo
));
1643 sbp_show_sdev_info(sdev
, 2);
1644 status
= sbp_status
->status
;
1645 switch(sbp_status
->resp
) {
1647 if (status
> MAX_ORB_STATUS0
)
1648 kprintf("%s\n", orb_status0
[MAX_ORB_STATUS0
]);
1650 kprintf("%s\n", orb_status0
[status
]);
1653 kprintf("Obj: %s, Error: %s\n",
1654 orb_status1_object
[(status
>>6) & 3],
1655 orb_status1_serial_bus_error
[status
& 0xf]);
1658 kprintf("Illegal request\n");
1661 kprintf("Vendor dependent\n");
1664 kprintf("unknown respose code %d\n", sbp_status
->resp
);
1668 /* we have to reset the fetch agent if it's dead */
1669 if (sbp_status
->dead
) {
1671 xpt_freeze_devq(sdev
->path
, 1);
1680 switch(ntohl(ocb
->orb
[4]) & ORB_FMT_MSK
){
1686 switch(ocb
->flags
) {
1688 orb_fun
= ntohl(ocb
->orb
[4]) & ORB_FUN_MSK
;
1692 fwdma_sync(&sdev
->dma
, BUS_DMASYNC_POSTREAD
);
1693 login_res
= sdev
->login
;
1694 login_res
->len
= ntohs(login_res
->len
);
1695 login_res
->id
= ntohs(login_res
->id
);
1696 login_res
->cmd_hi
= ntohs(login_res
->cmd_hi
);
1697 login_res
->cmd_lo
= ntohl(login_res
->cmd_lo
);
1700 sbp_show_sdev_info(sdev
, 2);
1701 kprintf("login: len %d, ID %d, cmd %08x%08x, recon_hold %d\n", login_res
->len
, login_res
->id
, login_res
->cmd_hi
, login_res
->cmd_lo
, ntohs(login_res
->recon_hold
));
1703 sbp_busy_timeout(sdev
);
1705 /* forgot logout? */
1706 sbp_show_sdev_info(sdev
, 2);
1707 kprintf("login failed\n");
1708 sdev
->status
= SBP_DEV_RESET
;
1712 login_res
= sdev
->login
;
1715 sbp_show_sdev_info(sdev
, 2);
1716 kprintf("reconnect: len %d, ID %d, cmd %08x%08x\n", login_res
->len
, login_res
->id
, login_res
->cmd_hi
, login_res
->cmd_lo
);
1719 if (sdev
->status
== SBP_DEV_ATTACHED
)
1722 sbp_agent_reset(sdev
);
1724 sdev
->status
= SBP_DEV_ATTACHED
;
1725 sbp_mgm_orb(sdev
, ORB_FUN_ATS
, NULL
);
1728 /* reconnection hold time exceed? */
1730 sbp_show_sdev_info(sdev
, 2);
1731 kprintf("reconnect failed\n");
1737 sdev
->status
= SBP_DEV_RESET
;
1740 sbp_busy_timeout(sdev
);
1745 sbp_agent_reset(sdev
);
1748 sbp_show_sdev_info(sdev
, 2);
1749 kprintf("unknown function %d\n", orb_fun
);
1752 sbp_mgm_orb(sdev
, ORB_FUN_RUNQUEUE
, NULL
);
1756 if(ocb
->ccb
!= NULL
){
1760 ld = ocb->ccb->csio.data_ptr;
1761 if(ld != NULL && ocb->ccb->csio.dxfer_len != 0)
1762 kprintf("ptr %08x %08x %08x %08x\n", ld[0], ld[1], ld[2], ld[3]);
1764 kprintf("ptr NULL\n");
1765 kprintf("len %d\n", sbp_status->len);
1768 if(sbp_status
->len
> 1){
1769 sbp_scsi_status(sbp_status
, ocb
);
1771 if(sbp_status
->resp
!= ORB_RES_CMPL
){
1772 ccb
->ccb_h
.status
= CAM_REQ_CMP_ERR
;
1774 ccb
->ccb_h
.status
= CAM_REQ_CMP
;
1777 /* fix up inq data */
1778 if (ccb
->csio
.cdb_io
.cdb_bytes
[0] == INQUIRY
)
1779 sbp_fix_inq_data(ocb
);
1788 sbp_free_ocb(sdev
, ocb
);
1791 sbp_agent_reset(sdev
);
1794 xfer
->recv
.pay_len
= SBP_RECV_LEN
;
1795 /* The received packet is usually small enough to be stored within
1796 * the buffer. In that case, the controller return ack_complete and
1797 * no respose is necessary.
1799 * XXX fwohci.c and firewire.c should inform event_code such as
1800 * ack_complete or ack_pending to upper driver.
1804 sfp
= (struct fw_pkt
*)xfer
->send
.buf
;
1805 sfp
->mode
.wres
.dst
= rfp
->mode
.wreqb
.src
;
1806 xfer
->dst
= sfp
->mode
.wres
.dst
;
1807 xfer
->spd
= min(sdev
->target
->fwdev
->speed
, max_speed
);
1808 xfer
->act
.hand
= sbp_loginres_callback
;
1809 xfer
->retry_req
= fw_asybusy
;
1811 sfp
->mode
.wres
.tlrt
= rfp
->mode
.wreqb
.tlrt
;
1812 sfp
->mode
.wres
.tcode
= FWTCODE_WRES
;
1813 sfp
->mode
.wres
.rtcode
= 0;
1814 sfp
->mode
.wres
.pri
= 0;
1816 fw_asyreq(xfer
->fc
, -1, xfer
);
1819 STAILQ_INSERT_TAIL(&sbp
->fwb
.xferlist
, xfer
, link
);
1827 sbp_recv(struct fw_xfer
*xfer
)
1837 sbp_attach(device_t dev
)
1839 struct sbp_softc
*sbp
;
1840 struct cam_devq
*devq
;
1841 struct fw_xfer
*xfer
;
1845 kprintf("sbp_attach (cold=%d)\n", cold
);
1852 sbp
= ((struct sbp_softc
*)device_get_softc(dev
));
1853 bzero(sbp
, sizeof(struct sbp_softc
));
1855 sbp
->fd
.fc
= device_get_ivars(dev
);
1858 max_speed
= sbp
->fd
.fc
->speed
;
1860 error
= bus_dma_tag_create(/*parent*/sbp
->fd
.fc
->dmat
,
1861 /* XXX shoud be 4 for sane backend? */
1864 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT
,
1865 /*highaddr*/BUS_SPACE_MAXADDR
,
1866 /*filter*/NULL
, /*filterarg*/NULL
,
1867 /*maxsize*/0x100000, /*nsegments*/SBP_IND_MAX
,
1868 /*maxsegsz*/SBP_SEG_MAX
,
1869 /*flags*/BUS_DMA_ALLOCNOW
,
1870 #if defined(__FreeBSD__) && __FreeBSD_version >= 501102
1871 /*lockfunc*/busdma_lock_mutex
,
1876 kprintf("sbp_attach: Could not allocate DMA tag "
1877 "- error %d\n", error
);
1881 devq
= cam_simq_alloc(/*maxopenings*/SBP_NUM_OCB
);
1885 for( i
= 0 ; i
< SBP_NUM_TARGETS
; i
++){
1886 sbp
->targets
[i
].fwdev
= NULL
;
1887 sbp
->targets
[i
].luns
= NULL
;
1890 sbp
->sim
= cam_sim_alloc(sbp_action
, sbp_poll
, "sbp", sbp
,
1891 device_get_unit(dev
),
1894 /*tagged*/ SBP_QUEUE_LEN
- 1,
1896 cam_simq_release(devq
);
1897 if (sbp
->sim
== NULL
)
1900 if (xpt_bus_register(sbp
->sim
, /*bus*/0) != CAM_SUCCESS
)
1903 if (xpt_create_path(&sbp
->path
, xpt_periph
, cam_sim_path(sbp
->sim
),
1904 CAM_TARGET_WILDCARD
, CAM_LUN_WILDCARD
) != CAM_REQ_CMP
) {
1905 xpt_bus_deregister(cam_sim_path(sbp
->sim
));
1909 /* We reserve 16 bit space (4 bytes X 64 targets X 256 luns) */
1910 sbp
->fwb
.start
= ((u_int64_t
)SBP_BIND_HI
<< 32) | SBP_DEV2ADDR(0, 0);
1911 sbp
->fwb
.end
= sbp
->fwb
.start
+ 0xffff;
1912 sbp
->fwb
.act_type
= FWACT_XFER
;
1913 /* pre-allocate xfer */
1914 STAILQ_INIT(&sbp
->fwb
.xferlist
);
1915 for (i
= 0; i
< SBP_NUM_OCB
/2; i
++) {
1916 xfer
= fw_xfer_alloc_buf(M_SBP
,
1918 /* recv */SBP_RECV_LEN
);
1919 xfer
->act
.hand
= sbp_recv
;
1921 xfer
->fc
= sbp
->fd
.fc
;
1923 xfer
->sc
= (caddr_t
)sbp
;
1924 STAILQ_INSERT_TAIL(&sbp
->fwb
.xferlist
, xfer
, link
);
1926 fw_bindadd(sbp
->fd
.fc
, &sbp
->fwb
);
1928 sbp
->fd
.post_busreset
= sbp_post_busreset
;
1929 sbp
->fd
.post_explore
= sbp_post_explore
;
1931 if (sbp
->fd
.fc
->status
!= -1) {
1933 sbp_post_busreset((void *)sbp
);
1934 sbp_post_explore((void *)sbp
);
1937 xpt_async(AC_BUS_RESET
, sbp
->path
, /*arg*/ NULL
);
1941 cam_sim_free(sbp
->sim
);
1946 sbp_logout_all(struct sbp_softc
*sbp
)
1948 struct sbp_target
*target
;
1949 struct sbp_dev
*sdev
;
1953 kprintf("sbp_logout_all\n");
1955 for (i
= 0 ; i
< SBP_NUM_TARGETS
; i
++) {
1956 target
= &sbp
->targets
[i
];
1957 if (target
->luns
== NULL
)
1959 for (j
= 0; j
< target
->num_lun
; j
++) {
1960 sdev
= target
->luns
[j
];
1963 callout_stop(&sdev
->login_callout
);
1964 if (sdev
->status
>= SBP_DEV_TOATTACH
&&
1965 sdev
->status
<= SBP_DEV_ATTACHED
)
1966 sbp_mgm_orb(sdev
, ORB_FUN_LGO
, NULL
);
1974 sbp_shutdown(device_t dev
)
1976 struct sbp_softc
*sbp
= ((struct sbp_softc
*)device_get_softc(dev
));
1978 sbp_logout_all(sbp
);
1983 sbp_free_sdev(struct sbp_dev
*sdev
)
1989 for (i
= 0; i
< SBP_QUEUE_LEN
; i
++)
1990 bus_dmamap_destroy(sdev
->target
->sbp
->dmat
,
1991 sdev
->ocb
[i
].dmamap
);
1992 fwdma_free(sdev
->target
->sbp
->fd
.fc
, &sdev
->dma
);
1997 sbp_free_target(struct sbp_target
*target
)
1999 struct sbp_softc
*sbp
;
2000 struct fw_xfer
*xfer
, *next
;
2003 if (target
->luns
== NULL
)
2005 callout_stop(&target
->mgm_ocb_timeout
);
2007 for (i
= 0; i
< target
->num_lun
; i
++)
2008 sbp_free_sdev(target
->luns
[i
]);
2010 for (xfer
= STAILQ_FIRST(&target
->xferlist
);
2011 xfer
!= NULL
; xfer
= next
) {
2012 next
= STAILQ_NEXT(xfer
, link
);
2013 fw_xfer_free_buf(xfer
);
2015 STAILQ_INIT(&target
->xferlist
);
2016 kfree(target
->luns
, M_SBP
);
2017 target
->num_lun
= 0;
2018 target
->luns
= NULL
;
2019 target
->fwdev
= NULL
;
2023 sbp_detach(device_t dev
)
2025 struct sbp_softc
*sbp
= ((struct sbp_softc
*)device_get_softc(dev
));
2026 struct firewire_comm
*fc
= sbp
->fd
.fc
;
2027 struct fw_xfer
*xfer
, *next
;
2031 kprintf("sbp_detach\n");
2034 for (i
= 0; i
< SBP_NUM_TARGETS
; i
++)
2035 sbp_cam_detach_target(&sbp
->targets
[i
]);
2036 xpt_async(AC_LOST_DEVICE
, sbp
->path
, NULL
);
2037 xpt_free_path(sbp
->path
);
2038 xpt_bus_deregister(cam_sim_path(sbp
->sim
));
2039 cam_sim_free(sbp
->sim
);
2041 sbp_logout_all(sbp
);
2043 /* XXX wait for logout completion */
2044 tsleep(&i
, FWPRI
, "sbpdtc", hz
/2);
2046 for (i
= 0 ; i
< SBP_NUM_TARGETS
; i
++)
2047 sbp_free_target(&sbp
->targets
[i
]);
2049 for (xfer
= STAILQ_FIRST(&sbp
->fwb
.xferlist
);
2050 xfer
!= NULL
; xfer
= next
) {
2051 next
= STAILQ_NEXT(xfer
, link
);
2052 fw_xfer_free_buf(xfer
);
2054 STAILQ_INIT(&sbp
->fwb
.xferlist
);
2055 fw_bindremove(fc
, &sbp
->fwb
);
2057 bus_dma_tag_destroy(sbp
->dmat
);
2063 sbp_cam_detach_sdev(struct sbp_dev
*sdev
)
2067 if (sdev
->status
== SBP_DEV_DEAD
)
2069 if (sdev
->status
== SBP_DEV_RESET
)
2072 xpt_release_devq(sdev
->path
,
2073 sdev
->freeze
, TRUE
);
2075 xpt_async(AC_LOST_DEVICE
, sdev
->path
, NULL
);
2076 xpt_free_path(sdev
->path
);
2079 sbp_abort_all_ocbs(sdev
, CAM_DEV_NOT_THERE
);
2083 sbp_cam_detach_target(struct sbp_target
*target
)
2087 if (target
->luns
!= NULL
) {
2089 kprintf("sbp_detach_target %d\n", target
->target_id
);
2091 callout_stop(&target
->scan_callout
);
2092 for (i
= 0; i
< target
->num_lun
; i
++)
2093 sbp_cam_detach_sdev(target
->luns
[i
]);
2098 sbp_target_reset(struct sbp_dev
*sdev
, int method
)
2101 struct sbp_target
*target
= sdev
->target
;
2102 struct sbp_dev
*tsdev
;
2104 for (i
= 0; i
< target
->num_lun
; i
++) {
2105 tsdev
= target
->luns
[i
];
2108 if (tsdev
->status
== SBP_DEV_DEAD
)
2110 if (tsdev
->status
== SBP_DEV_RESET
)
2112 xpt_freeze_devq(tsdev
->path
, 1);
2114 sbp_abort_all_ocbs(tsdev
, CAM_CMD_TIMEOUT
);
2116 tsdev
->status
= SBP_DEV_LOGIN
;
2120 kprintf("target reset\n");
2121 sbp_mgm_orb(sdev
, ORB_FUN_RST
, NULL
);
2124 kprintf("reset start\n");
2125 sbp_reset_start(sdev
);
2132 sbp_mgm_timeout(void *arg
)
2134 struct sbp_ocb
*ocb
= (struct sbp_ocb
*)arg
;
2135 struct sbp_dev
*sdev
= ocb
->sdev
;
2136 struct sbp_target
*target
= sdev
->target
;
2138 sbp_show_sdev_info(sdev
, 2);
2139 kprintf("request timeout(mgm orb:0x%08x) ... ",
2140 (u_int32_t
)ocb
->bus_addr
);
2141 target
->mgm_ocb_cur
= NULL
;
2142 sbp_free_ocb(sdev
, ocb
);
2145 kprintf("run next request\n");
2146 sbp_mgm_orb(sdev
, ORB_FUN_RUNQUEUE
, NULL
);
2149 kprintf("reset start\n");
2150 sbp_reset_start(sdev
);
2155 sbp_timeout(void *arg
)
2157 struct sbp_ocb
*ocb
= (struct sbp_ocb
*)arg
;
2158 struct sbp_dev
*sdev
= ocb
->sdev
;
2160 sbp_show_sdev_info(sdev
, 2);
2161 kprintf("request timeout(cmd orb:0x%08x) ... ",
2162 (u_int32_t
)ocb
->bus_addr
);
2165 switch(sdev
->timeout
) {
2167 kprintf("agent reset\n");
2168 xpt_freeze_devq(sdev
->path
, 1);
2170 sbp_abort_all_ocbs(sdev
, CAM_CMD_TIMEOUT
);
2171 sbp_agent_reset(sdev
);
2175 sbp_target_reset(sdev
, sdev
->timeout
- 1);
2180 sbp_cam_detach_target(target
);
2181 if (target
->luns
!= NULL
)
2182 kfree(target
->luns
, M_SBP
);
2183 target
->num_lun
= 0;
2184 target
->luns
= NULL
;
2185 target
->fwdev
= NULL
;
2191 sbp_action1(struct cam_sim
*sim
, union ccb
*ccb
)
2194 struct sbp_softc
*sbp
= (struct sbp_softc
*)sim
->softc
;
2195 struct sbp_target
*target
= NULL
;
2196 struct sbp_dev
*sdev
= NULL
;
2198 /* target:lun -> sdev mapping */
2200 && ccb
->ccb_h
.target_id
!= CAM_TARGET_WILDCARD
2201 && ccb
->ccb_h
.target_id
< SBP_NUM_TARGETS
) {
2202 target
= &sbp
->targets
[ccb
->ccb_h
.target_id
];
2203 if (target
->fwdev
!= NULL
2204 && ccb
->ccb_h
.target_lun
!= CAM_LUN_WILDCARD
2205 && ccb
->ccb_h
.target_lun
< target
->num_lun
) {
2206 sdev
= target
->luns
[ccb
->ccb_h
.target_lun
];
2207 if (sdev
!= NULL
&& sdev
->status
!= SBP_DEV_ATTACHED
&&
2208 sdev
->status
!= SBP_DEV_PROBE
)
2215 kprintf("invalid target %d lun %d\n",
2216 ccb
->ccb_h
.target_id
, ccb
->ccb_h
.target_lun
);
2219 switch (ccb
->ccb_h
.func_code
) {
2222 case XPT_GET_TRAN_SETTINGS
:
2223 case XPT_SET_TRAN_SETTINGS
:
2224 case XPT_CALC_GEOMETRY
:
2227 kprintf("%s:%d:%d:func_code 0x%04x: "
2228 "Invalid target (target needed)\n",
2229 device_get_nameunit(sbp
->fd
.dev
),
2230 ccb
->ccb_h
.target_id
, ccb
->ccb_h
.target_lun
,
2231 ccb
->ccb_h
.func_code
);
2234 ccb
->ccb_h
.status
= CAM_DEV_NOT_THERE
;
2241 /* The opcodes sometimes aimed at a target (sc is valid),
2242 * sometimes aimed at the SIM (sc is invalid and target is
2243 * CAM_TARGET_WILDCARD)
2246 ccb
->ccb_h
.target_id
!= CAM_TARGET_WILDCARD
) {
2248 kprintf("%s:%d:%d func_code 0x%04x: "
2249 "Invalid target (no wildcard)\n",
2250 device_get_nameunit(sbp
->fd
.dev
),
2251 ccb
->ccb_h
.target_id
, ccb
->ccb_h
.target_lun
,
2252 ccb
->ccb_h
.func_code
);
2254 ccb
->ccb_h
.status
= CAM_DEV_NOT_THERE
;
2260 /* XXX Hm, we should check the input parameters */
2264 switch (ccb
->ccb_h
.func_code
) {
2267 struct ccb_scsiio
*csio
;
2268 struct sbp_ocb
*ocb
;
2275 kprintf("%s:%d:%d XPT_SCSI_IO: "
2276 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x"
2278 "%db cmd/%db data/%db sense\n",
2279 device_get_nameunit(sbp
->fd
.dev
),
2280 ccb
->ccb_h
.target_id
, ccb
->ccb_h
.target_lun
,
2281 csio
->cdb_io
.cdb_bytes
[0],
2282 csio
->cdb_io
.cdb_bytes
[1],
2283 csio
->cdb_io
.cdb_bytes
[2],
2284 csio
->cdb_io
.cdb_bytes
[3],
2285 csio
->cdb_io
.cdb_bytes
[4],
2286 csio
->cdb_io
.cdb_bytes
[5],
2287 csio
->cdb_io
.cdb_bytes
[6],
2288 csio
->cdb_io
.cdb_bytes
[7],
2289 csio
->cdb_io
.cdb_bytes
[8],
2290 csio
->cdb_io
.cdb_bytes
[9],
2291 ccb
->ccb_h
.flags
& CAM_DIR_MASK
,
2292 csio
->cdb_len
, csio
->dxfer_len
,
2296 ccb
->ccb_h
.status
= CAM_DEV_NOT_THERE
;
2301 /* if we are in probe stage, pass only probe commands */
2302 if (sdev
->status
== SBP_DEV_PROBE
) {
2304 name
= xpt_path_periph(ccb
->ccb_h
.path
)->periph_name
;
2305 kprintf("probe stage, periph name: %s\n", name
);
2306 if (strcmp(name
, "probe") != 0) {
2307 ccb
->ccb_h
.status
= CAM_REQUEUE_REQ
;
2313 if ((ocb
= sbp_get_ocb(sdev
)) == NULL
) {
2314 ccb
->ccb_h
.status
= CAM_REQUEUE_REQ
;
2319 ocb
->flags
= OCB_ACT_CMD
;
2322 ccb
->ccb_h
.ccb_sdev_ptr
= sdev
;
2323 ocb
->orb
[0] = htonl(1 << 31);
2325 ocb
->orb
[2] = htonl(((sbp
->fd
.fc
->nodeid
| FWLOCALBUS
)<< 16) );
2326 ocb
->orb
[3] = htonl(ocb
->bus_addr
+ IND_PTR_OFFSET
);
2327 speed
= min(target
->fwdev
->speed
, max_speed
);
2328 ocb
->orb
[4] = htonl(ORB_NOTIFY
| ORB_CMD_SPD(speed
)
2329 | ORB_CMD_MAXP(speed
+ 7));
2330 if((ccb
->ccb_h
.flags
& CAM_DIR_MASK
) == CAM_DIR_IN
){
2331 ocb
->orb
[4] |= htonl(ORB_CMD_IN
);
2334 if (csio
->ccb_h
.flags
& CAM_SCATTER_VALID
)
2335 kprintf("sbp: CAM_SCATTER_VALID\n");
2336 if (csio
->ccb_h
.flags
& CAM_DATA_PHYS
)
2337 kprintf("sbp: CAM_DATA_PHYS\n");
2339 if (csio
->ccb_h
.flags
& CAM_CDB_POINTER
)
2340 cdb
= (void *)csio
->cdb_io
.cdb_ptr
;
2342 cdb
= (void *)&csio
->cdb_io
.cdb_bytes
;
2343 bcopy(cdb
, (void *)&ocb
->orb
[5], csio
->cdb_len
);
2345 kprintf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[0]), ntohl(ocb->orb[1]), ntohl(ocb->orb[2]), ntohl(ocb->orb[3]));
2346 kprintf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[4]), ntohl(ocb->orb[5]), ntohl(ocb->orb[6]), ntohl(ocb->orb[7]));
2348 if (ccb
->csio
.dxfer_len
> 0) {
2352 error
= bus_dmamap_load(/*dma tag*/sbp
->dmat
,
2353 /*dma map*/ocb
->dmamap
,
2355 ccb
->csio
.dxfer_len
,
2361 kprintf("sbp: bus_dmamap_load error %d\n", error
);
2363 sbp_execute_ocb(ocb
, NULL
, 0, 0);
2366 case XPT_CALC_GEOMETRY
:
2368 struct ccb_calc_geometry
*ccg
;
2369 #if defined(__DragonFly__) || __FreeBSD_version < 501100
2371 u_int32_t secs_per_cylinder
;
2376 if (ccg
->block_size
== 0) {
2377 kprintf("sbp_action1: block_size is 0.\n");
2378 ccb
->ccb_h
.status
= CAM_REQ_INVALID
;
2383 kprintf("%s:%d:%d:%d:XPT_CALC_GEOMETRY: Volume size = %ju\n",
2384 device_get_nameunit(sbp
->fd
.dev
),
2385 cam_sim_path(sbp
->sim
),
2386 ccb
->ccb_h
.target_id
, ccb
->ccb_h
.target_lun
,
2387 (uintmax_t)ccg
->volume_size
);
2390 #if defined(__DragonFly__) || __FreeBSD_version < 501100
2391 size_mb
= ccg
->volume_size
2392 / ((1024L * 1024L) / ccg
->block_size
);
2394 if (size_mb
> 1024 && extended
) {
2396 ccg
->secs_per_track
= 63;
2399 ccg
->secs_per_track
= 32;
2401 secs_per_cylinder
= ccg
->heads
* ccg
->secs_per_track
;
2402 ccg
->cylinders
= ccg
->volume_size
/ secs_per_cylinder
;
2403 ccb
->ccb_h
.status
= CAM_REQ_CMP
;
2405 cam_calc_geometry(ccg
, /*extended*/1);
2410 case XPT_RESET_BUS
: /* Reset the specified SCSI bus */
2414 kprintf("%s:%d:XPT_RESET_BUS: \n",
2415 device_get_nameunit(sbp
->fd
.dev
), cam_sim_path(sbp
->sim
));
2418 ccb
->ccb_h
.status
= CAM_REQ_INVALID
;
2422 case XPT_PATH_INQ
: /* Path routing inquiry */
2424 struct ccb_pathinq
*cpi
= &ccb
->cpi
;
2427 kprintf("%s:%d:%d XPT_PATH_INQ:.\n",
2428 device_get_nameunit(sbp
->fd
.dev
),
2429 ccb
->ccb_h
.target_id
, ccb
->ccb_h
.target_lun
);
2431 cpi
->version_num
= 1; /* XXX??? */
2432 cpi
->hba_inquiry
= PI_TAG_ABLE
;
2433 cpi
->target_sprt
= 0;
2434 cpi
->hba_misc
= PIM_NOBUSRESET
| PIM_NO_6_BYTE
;
2435 cpi
->hba_eng_cnt
= 0;
2436 cpi
->max_target
= SBP_NUM_TARGETS
- 1;
2437 cpi
->max_lun
= SBP_NUM_LUNS
- 1;
2438 cpi
->initiator_id
= SBP_INITIATOR
;
2439 cpi
->bus_id
= sim
->bus_id
;
2440 cpi
->base_transfer_speed
= 400 * 1000 / 8;
2441 strncpy(cpi
->sim_vid
, "FreeBSD", SIM_IDLEN
);
2442 strncpy(cpi
->hba_vid
, "SBP", HBA_IDLEN
);
2443 strncpy(cpi
->dev_name
, sim
->sim_name
, DEV_IDLEN
);
2444 cpi
->unit_number
= sim
->unit_number
;
2445 cpi
->transport
= XPORT_SPI
; /* XX should have a FireWire */
2446 cpi
->transport_version
= 2;
2447 cpi
->protocol
= PROTO_SCSI
;
2448 cpi
->protocol_version
= SCSI_REV_2
;
2450 cpi
->ccb_h
.status
= CAM_REQ_CMP
;
2454 case XPT_GET_TRAN_SETTINGS
:
2456 struct ccb_trans_settings
*cts
= &ccb
->cts
;
2457 struct ccb_trans_settings_scsi
*scsi
=
2458 &cts
->proto_specific
.scsi
;
2459 struct ccb_trans_settings_spi
*spi
=
2460 &cts
->xport_specific
.spi
;
2462 cts
->protocol
= PROTO_SCSI
;
2463 cts
->protocol_version
= SCSI_REV_2
;
2464 cts
->transport
= XPORT_SPI
; /* should have a FireWire */
2465 cts
->transport_version
= 2;
2466 spi
->valid
= CTS_SPI_VALID_DISC
;
2467 spi
->flags
= CTS_SPI_FLAGS_DISC_ENB
;
2468 scsi
->valid
= CTS_SCSI_VALID_TQ
;
2469 scsi
->flags
= CTS_SCSI_FLAGS_TAG_ENB
;
2471 kprintf("%s:%d:%d XPT_GET_TRAN_SETTINGS:.\n",
2472 device_get_nameunit(sbp
->fd
.dev
),
2473 ccb
->ccb_h
.target_id
, ccb
->ccb_h
.target_lun
);
2475 cts
->ccb_h
.status
= CAM_REQ_CMP
;
2480 ccb
->ccb_h
.status
= CAM_UA_ABORT
;
2483 case XPT_SET_TRAN_SETTINGS
:
2486 ccb
->ccb_h
.status
= CAM_REQ_INVALID
;
2494 sbp_action(struct cam_sim
*sim
, union ccb
*ccb
)
2497 sbp_action1(sim
, ccb
);
2502 sbp_execute_ocb(void *arg
, bus_dma_segment_t
*segments
, int seg
, int error
)
2505 struct sbp_ocb
*ocb
;
2506 struct sbp_ocb
*prev
;
2507 bus_dma_segment_t
*s
;
2510 kprintf("sbp_execute_ocb: error=%d\n", error
);
2512 ocb
= (struct sbp_ocb
*)arg
;
2515 kprintf("sbp_execute_ocb: seg %d", seg
);
2516 for (i
= 0; i
< seg
; i
++)
2517 #if defined(__DragonFly__) || __FreeBSD_version < 500000
2518 kprintf(", %x:%d", segments
[i
].ds_addr
, segments
[i
].ds_len
);
2520 kprintf(", %jx:%jd", (uintmax_t)segments
[i
].ds_addr
,
2521 (uintmax_t)segments
[i
].ds_len
);
2527 /* direct pointer */
2529 if (s
->ds_len
> SBP_SEG_MAX
)
2530 panic("ds_len > SBP_SEG_MAX, fix busdma code");
2531 ocb
->orb
[3] = htonl(s
->ds_addr
);
2532 ocb
->orb
[4] |= htonl(s
->ds_len
);
2533 } else if(seg
> 1) {
2535 for (i
= 0; i
< seg
; i
++) {
2538 /* XXX LSI Logic "< 16 byte" bug might be hit */
2540 kprintf("sbp_execute_ocb: warning, "
2541 #if defined(__DragonFly__) || __FreeBSD_version < 500000
2542 "segment length(%d) is less than 16."
2544 "segment length(%zd) is less than 16."
2546 "(seg=%d/%d)\n", s
->ds_len
, i
+1, seg
);
2548 if (s
->ds_len
> SBP_SEG_MAX
)
2549 panic("ds_len > SBP_SEG_MAX, fix busdma code");
2550 ocb
->ind_ptr
[i
].hi
= htonl(s
->ds_len
<< 16);
2551 ocb
->ind_ptr
[i
].lo
= htonl(s
->ds_addr
);
2553 ocb
->orb
[4] |= htonl(ORB_CMD_PTBL
| seg
);
2557 bus_dmamap_sync(ocb
->sdev
->target
->sbp
->dmat
, ocb
->dmamap
,
2558 (ntohl(ocb
->orb
[4]) & ORB_CMD_IN
) ?
2559 BUS_DMASYNC_PREREAD
: BUS_DMASYNC_PREWRITE
);
2560 prev
= sbp_enqueue_ocb(ocb
->sdev
, ocb
);
2561 fwdma_sync(&ocb
->sdev
->dma
, BUS_DMASYNC_PREWRITE
);
2562 if (prev
== NULL
|| (ocb
->sdev
->flags
& ORB_LINK_DEAD
) != 0) {
2563 ocb
->sdev
->flags
&= ~ORB_LINK_DEAD
;
2564 sbp_orb_pointer(ocb
->sdev
, ocb
);
2569 sbp_poll(struct cam_sim
*sim
)
2571 struct sbp_softc
*sbp
;
2572 struct firewire_comm
*fc
;
2574 sbp
= (struct sbp_softc
*)sim
->softc
;
2577 fc
->poll(fc
, 0, -1);
2582 static struct sbp_ocb
*
2583 sbp_dequeue_ocb(struct sbp_dev
*sdev
, struct sbp_status
*sbp_status
)
2585 struct sbp_ocb
*ocb
;
2586 struct sbp_ocb
*next
;
2593 sbp_show_sdev_info(sdev
, 2);
2594 kprintf("%s: 0x%08x src %d\n",
2595 __func__
, ntohl(sbp_status
->orb_lo
), sbp_status
->src
);
2597 for (ocb
= STAILQ_FIRST(&sdev
->ocbs
); ocb
!= NULL
; ocb
= next
) {
2598 next
= STAILQ_NEXT(ocb
, ocb
);
2600 if (OCB_MATCH(ocb
, sbp_status
)) {
2602 STAILQ_REMOVE(&sdev
->ocbs
, ocb
, sbp_ocb
, ocb
);
2603 if (ocb
->ccb
!= NULL
)
2604 callout_stop(&ocb
->ccb
->ccb_h
.timeout_ch
);
2605 if (ntohl(ocb
->orb
[4]) & 0xffff) {
2606 bus_dmamap_sync(sdev
->target
->sbp
->dmat
,
2608 (ntohl(ocb
->orb
[4]) & ORB_CMD_IN
) ?
2609 BUS_DMASYNC_POSTREAD
:
2610 BUS_DMASYNC_POSTWRITE
);
2611 bus_dmamap_unload(sdev
->target
->sbp
->dmat
,
2614 if (sbp_status
->src
== SRC_NO_NEXT
) {
2616 sbp_orb_pointer(sdev
, next
);
2617 else if (order
> 0) {
2619 * Unordered execution
2620 * We need to send pointer for
2623 sdev
->flags
|= ORB_LINK_DEAD
;
2632 if (ocb
&& order
> 0) {
2633 sbp_show_sdev_info(sdev
, 2);
2634 kprintf("unordered execution order:%d\n", order
);
2640 static struct sbp_ocb
*
2641 sbp_enqueue_ocb(struct sbp_dev
*sdev
, struct sbp_ocb
*ocb
)
2643 struct sbp_ocb
*prev
;
2648 sbp_show_sdev_info(sdev
, 2);
2649 #if defined(__DragonFly__) || __FreeBSD_version < 500000
2650 kprintf("%s: 0x%08x\n", __func__
, ocb
->bus_addr
);
2652 kprintf("%s: 0x%08jx\n", __func__
, (uintmax_t)ocb
->bus_addr
);
2655 prev
= STAILQ_LAST(&sdev
->ocbs
, sbp_ocb
, ocb
);
2656 STAILQ_INSERT_TAIL(&sdev
->ocbs
, ocb
, ocb
);
2658 if (ocb
->ccb
!= NULL
)
2659 callout_reset(&ocb
->ccb
->ccb_h
.timeout_ch
,
2660 (ocb
->ccb
->ccb_h
.timeout
* hz
) / 1000, sbp_timeout
, ocb
);
2664 #if defined(__DragonFly__) || __FreeBSD_version < 500000
2665 kprintf("linking chain 0x%x -> 0x%x\n",
2666 prev
->bus_addr
, ocb
->bus_addr
);
2668 kprintf("linking chain 0x%jx -> 0x%jx\n",
2669 (uintmax_t)prev
->bus_addr
, (uintmax_t)ocb
->bus_addr
);
2672 prev
->orb
[1] = htonl(ocb
->bus_addr
);
2680 static struct sbp_ocb
*
2681 sbp_get_ocb(struct sbp_dev
*sdev
)
2683 struct sbp_ocb
*ocb
;
2686 ocb
= STAILQ_FIRST(&sdev
->free_ocbs
);
2688 kprintf("ocb shortage!!!\n");
2691 STAILQ_REMOVE_HEAD(&sdev
->free_ocbs
, ocb
);
2698 sbp_free_ocb(struct sbp_dev
*sdev
, struct sbp_ocb
*ocb
)
2702 STAILQ_INSERT_TAIL(&sdev
->free_ocbs
, ocb
, ocb
);
2706 sbp_abort_ocb(struct sbp_ocb
*ocb
, int status
)
2708 struct sbp_dev
*sdev
;
2712 sbp_show_sdev_info(sdev
, 2);
2713 #if defined(__DragonFly__) || __FreeBSD_version < 500000
2714 kprintf("sbp_abort_ocb 0x%x\n", ocb
->bus_addr
);
2716 kprintf("sbp_abort_ocb 0x%jx\n", (uintmax_t)ocb
->bus_addr
);
2720 if (ocb
->ccb
!= NULL
)
2721 sbp_print_scsi_cmd(ocb
);
2723 if (ntohl(ocb
->orb
[4]) & 0xffff) {
2724 bus_dmamap_sync(sdev
->target
->sbp
->dmat
, ocb
->dmamap
,
2725 (ntohl(ocb
->orb
[4]) & ORB_CMD_IN
) ?
2726 BUS_DMASYNC_POSTREAD
: BUS_DMASYNC_POSTWRITE
);
2727 bus_dmamap_unload(sdev
->target
->sbp
->dmat
, ocb
->dmamap
);
2729 if (ocb
->ccb
!= NULL
) {
2730 callout_stop(&ocb
->ccb
->ccb_h
.timeout_ch
);
2731 ocb
->ccb
->ccb_h
.status
= status
;
2734 sbp_free_ocb(sdev
, ocb
);
2738 sbp_abort_all_ocbs(struct sbp_dev
*sdev
, int status
)
2740 struct sbp_ocb
*ocb
, *next
;
2741 STAILQ_HEAD(, sbp_ocb
) temp
;
2745 STAILQ_CONCAT(&temp
, &sdev
->ocbs
);
2746 for (ocb
= STAILQ_FIRST(&temp
); ocb
!= NULL
; ocb
= next
) {
2747 next
= STAILQ_NEXT(ocb
, ocb
);
2748 sbp_abort_ocb(ocb
, status
);
2753 static devclass_t sbp_devclass
;
2756 * Because sbp is a static device that always exists under any attached
2757 * firewire device, and not scanned by the firewire device, we need an
2758 * identify function to install the device. For our sanity we want
2759 * the sbp device to have the same unit number as the fireweire device.
2762 static device_method_t sbp_methods
[] = {
2763 /* device interface */
2764 DEVMETHOD(device_identify
, bus_generic_identify_sameunit
),
2765 DEVMETHOD(device_probe
, sbp_probe
),
2766 DEVMETHOD(device_attach
, sbp_attach
),
2767 DEVMETHOD(device_detach
, sbp_detach
),
2768 DEVMETHOD(device_shutdown
, sbp_shutdown
),
2773 static driver_t sbp_driver
= {
2776 sizeof(struct sbp_softc
),
2779 DECLARE_DUMMY_MODULE(sbp
);
2780 DRIVER_MODULE(sbp
, firewire
, sbp_driver
, sbp_devclass
, 0, 0);
2781 MODULE_VERSION(sbp
, 1);
2782 MODULE_DEPEND(sbp
, firewire
, 1, 1, 1);
2783 MODULE_DEPEND(sbp
, cam
, 1, 1, 1);