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 1.24 2007/09/15 20:06:38 swildner 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 untimeout 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");
720 xpt_freeze_devq(sdev
->path
, 1);
723 sdev
->status
= SBP_DEV_RETRY
;
724 sbp_abort_all_ocbs(sdev
, CAM_SCSI_BUS_RESET
);
727 case SBP_DEV_TOATTACH
:
728 sdev
->status
= SBP_DEV_RESET
;
740 sbp_post_busreset(void *arg
)
742 struct sbp_softc
*sbp
;
744 sbp
= (struct sbp_softc
*)arg
;
746 kprintf("sbp_post_busreset\n");
748 if ((sbp
->sim
->flags
& SIMQ_FREEZED
) == 0) {
749 xpt_freeze_simq(sbp
->sim
, /*count*/1);
750 sbp
->sim
->flags
|= SIMQ_FREEZED
;
752 microtime(&sbp
->last_busreset
);
756 sbp_post_explore(void *arg
)
758 struct sbp_softc
*sbp
= (struct sbp_softc
*)arg
;
759 struct sbp_target
*target
;
760 struct fw_device
*fwdev
;
764 kprintf("sbp_post_explore\n");
773 * XXX don't let CAM the bus rest.
774 * CAM tries to do something with freezed (DEV_RETRY) devices.
776 xpt_async(AC_BUS_RESET
, sbp
->path
, /*arg*/ NULL
);
779 /* Gabage Collection */
780 for(i
= 0 ; i
< SBP_NUM_TARGETS
; i
++){
781 target
= &sbp
->targets
[i
];
782 STAILQ_FOREACH(fwdev
, &sbp
->fd
.fc
->devices
, link
)
783 if (target
->fwdev
== NULL
|| target
->fwdev
== fwdev
)
786 /* device has removed in lower driver */
787 sbp_cam_detach_target(target
);
788 sbp_free_target(target
);
791 /* traverse device list */
792 STAILQ_FOREACH(fwdev
, &sbp
->fd
.fc
->devices
, link
) {
794 kprintf("sbp_post_explore: EUI:%08x%08x ",
795 fwdev
->eui
.hi
, fwdev
->eui
.lo
);
796 if (fwdev
->status
!= FWDEVATTACHED
)
797 kprintf("not attached, state=%d.\n", fwdev
->status
);
799 kprintf("attached\n");
801 alive
= SBP_FWDEV_ALIVE(fwdev
);
802 for(i
= 0 ; i
< SBP_NUM_TARGETS
; i
++){
803 target
= &sbp
->targets
[i
];
804 if(target
->fwdev
== fwdev
) {
809 if(i
== SBP_NUM_TARGETS
){
812 target
= sbp_alloc_target(sbp
, fwdev
);
819 sbp_probe_target((void *)target
);
820 if (target
->num_lun
== 0)
821 sbp_free_target(target
);
823 xpt_release_simq(sbp
->sim
, /*run queue*/TRUE
);
824 sbp
->sim
->flags
&= ~SIMQ_FREEZED
;
829 sbp_loginres_callback(struct fw_xfer
*xfer
){
830 struct sbp_dev
*sdev
;
831 sdev
= (struct sbp_dev
*)xfer
->sc
;
833 sbp_show_sdev_info(sdev
, 2);
834 kprintf("sbp_loginres_callback\n");
838 STAILQ_INSERT_TAIL(&sdev
->target
->sbp
->fwb
.xferlist
, xfer
, link
);
845 sbp_xfer_free(struct fw_xfer
*xfer
)
847 struct sbp_dev
*sdev
;
849 sdev
= (struct sbp_dev
*)xfer
->sc
;
850 fw_xfer_unload(xfer
);
852 STAILQ_INSERT_TAIL(&sdev
->target
->xferlist
, xfer
, link
);
857 sbp_reset_start_callback(struct fw_xfer
*xfer
)
859 struct sbp_dev
*tsdev
, *sdev
= (struct sbp_dev
*)xfer
->sc
;
860 struct sbp_target
*target
= sdev
->target
;
863 if (xfer
->resp
!= 0) {
864 sbp_show_sdev_info(sdev
, 2);
865 kprintf("sbp_reset_start failed: resp=%d\n", xfer
->resp
);
868 for (i
= 0; i
< target
->num_lun
; i
++) {
869 tsdev
= target
->luns
[i
];
870 if (tsdev
!= NULL
&& tsdev
->status
== SBP_DEV_LOGIN
)
876 sbp_reset_start(struct sbp_dev
*sdev
)
878 struct fw_xfer
*xfer
;
882 sbp_show_sdev_info(sdev
, 2);
883 kprintf("sbp_reset_start\n");
886 xfer
= sbp_write_cmd(sdev
, FWTCODE_WREQQ
, 0);
887 xfer
->act
.hand
= sbp_reset_start_callback
;
888 fp
= &xfer
->send
.hdr
;
889 fp
->mode
.wreqq
.dest_hi
= 0xffff;
890 fp
->mode
.wreqq
.dest_lo
= 0xf0000000 | RESET_START
;
891 fp
->mode
.wreqq
.data
= htonl(0xf);
892 fw_asyreq(xfer
->fc
, -1, xfer
);
896 sbp_mgm_callback(struct fw_xfer
*xfer
)
898 struct sbp_dev
*sdev
;
901 sdev
= (struct sbp_dev
*)xfer
->sc
;
904 sbp_show_sdev_info(sdev
, 2);
905 kprintf("sbp_mgm_callback\n");
911 sbp_show_sdev_info(sdev
, 2);
912 kprintf("management ORB failed(%d) ... RESET_START\n", resp
);
913 sbp_reset_start(sdev
);
919 static struct sbp_dev
*
920 sbp_next_dev(struct sbp_target
*target
, int lun
)
922 struct sbp_dev
**sdevp
;
925 for (i
= lun
, sdevp
= &target
->luns
[lun
]; i
< target
->num_lun
;
927 if (*sdevp
!= NULL
&& (*sdevp
)->status
== SBP_DEV_PROBE
)
934 sbp_cam_scan_lun(struct cam_periph
*periph
, union ccb
*ccb
)
936 struct sbp_target
*target
;
937 struct sbp_dev
*sdev
;
939 sdev
= (struct sbp_dev
*) ccb
->ccb_h
.ccb_sdev_ptr
;
940 target
= sdev
->target
;
942 sbp_show_sdev_info(sdev
, 2);
943 kprintf("sbp_cam_scan_lun\n");
945 if ((ccb
->ccb_h
.status
& CAM_STATUS_MASK
) == CAM_REQ_CMP
) {
946 sdev
->status
= SBP_DEV_ATTACHED
;
948 sbp_show_sdev_info(sdev
, 2);
949 kprintf("scan failed\n");
951 sdev
= sbp_next_dev(target
, sdev
->lun_id
+ 1);
957 xpt_setup_ccb(&ccb
->ccb_h
, sdev
->path
, SCAN_PRI
);
958 ccb
->ccb_h
.ccb_sdev_ptr
= sdev
;
960 xpt_release_devq(sdev
->path
, sdev
->freeze
, TRUE
);
965 sbp_cam_scan_target(void *arg
)
967 struct sbp_target
*target
= (struct sbp_target
*)arg
;
968 struct sbp_dev
*sdev
;
971 sdev
= sbp_next_dev(target
, 0);
973 kprintf("sbp_cam_scan_target: nothing to do for target%d\n",
978 sbp_show_sdev_info(sdev
, 2);
979 kprintf("sbp_cam_scan_target\n");
981 ccb
= kmalloc(sizeof(union ccb
), M_SBP
, M_WAITOK
| M_ZERO
);
982 xpt_setup_ccb(&ccb
->ccb_h
, sdev
->path
, SCAN_PRI
);
983 ccb
->ccb_h
.func_code
= XPT_SCAN_LUN
;
984 ccb
->ccb_h
.cbfcnp
= sbp_cam_scan_lun
;
985 ccb
->ccb_h
.flags
|= CAM_DEV_QFREEZE
;
986 ccb
->crcn
.flags
= CAM_FLAG_NONE
;
987 ccb
->ccb_h
.ccb_sdev_ptr
= sdev
;
989 /* The scan is in progress now. */
991 xpt_release_devq(sdev
->path
, sdev
->freeze
, TRUE
);
996 sbp_scan_dev(struct sbp_dev
*sdev
)
998 sdev
->status
= SBP_DEV_PROBE
;
999 callout_reset(&sdev
->target
->scan_callout
, scan_delay
* hz
/ 1000,
1000 sbp_cam_scan_target
, (void *)sdev
->target
);
1004 sbp_do_attach(struct fw_xfer
*xfer
)
1006 struct sbp_dev
*sdev
;
1007 struct sbp_target
*target
;
1008 struct sbp_softc
*sbp
;
1010 sdev
= (struct sbp_dev
*)xfer
->sc
;
1011 target
= sdev
->target
;
1014 sbp_show_sdev_info(sdev
, 2);
1015 kprintf("sbp_do_attach\n");
1017 sbp_xfer_free(xfer
);
1019 if (sdev
->path
== NULL
)
1020 xpt_create_path(&sdev
->path
, xpt_periph
,
1021 cam_sim_path(target
->sbp
->sim
),
1022 target
->target_id
, sdev
->lun_id
);
1026 * Let CAM scan the bus if we are in the boot process.
1027 * XXX xpt_scan_bus cannot detect LUN larger than 0
1028 * if LUN 0 doesn't exists.
1031 sdev
->status
= SBP_DEV_ATTACHED
;
1041 sbp_agent_reset_callback(struct fw_xfer
*xfer
)
1043 struct sbp_dev
*sdev
;
1045 sdev
= (struct sbp_dev
*)xfer
->sc
;
1047 sbp_show_sdev_info(sdev
, 2);
1048 kprintf("%s\n", __func__
);
1050 if (xfer
->resp
!= 0) {
1051 sbp_show_sdev_info(sdev
, 2);
1052 kprintf("%s: resp=%d\n", __func__
, xfer
->resp
);
1055 sbp_xfer_free(xfer
);
1057 xpt_release_devq(sdev
->path
, sdev
->freeze
, TRUE
);
1063 sbp_agent_reset(struct sbp_dev
*sdev
)
1065 struct fw_xfer
*xfer
;
1069 sbp_show_sdev_info(sdev
, 2);
1070 kprintf("sbp_agent_reset\n");
1072 xfer
= sbp_write_cmd(sdev
, FWTCODE_WREQQ
, 0x04);
1075 if (sdev
->status
== SBP_DEV_ATTACHED
|| sdev
->status
== SBP_DEV_PROBE
)
1076 xfer
->act
.hand
= sbp_agent_reset_callback
;
1078 xfer
->act
.hand
= sbp_do_attach
;
1079 fp
= &xfer
->send
.hdr
;
1080 fp
->mode
.wreqq
.data
= htonl(0xf);
1081 fw_asyreq(xfer
->fc
, -1, xfer
);
1082 sbp_abort_all_ocbs(sdev
, CAM_BDR_SENT
);
1086 sbp_busy_timeout_callback(struct fw_xfer
*xfer
)
1088 struct sbp_dev
*sdev
;
1090 sdev
= (struct sbp_dev
*)xfer
->sc
;
1092 sbp_show_sdev_info(sdev
, 2);
1093 kprintf("sbp_busy_timeout_callback\n");
1095 sbp_xfer_free(xfer
);
1096 sbp_agent_reset(sdev
);
1100 sbp_busy_timeout(struct sbp_dev
*sdev
)
1103 struct fw_xfer
*xfer
;
1105 sbp_show_sdev_info(sdev
, 2);
1106 kprintf("sbp_busy_timeout\n");
1108 xfer
= sbp_write_cmd(sdev
, FWTCODE_WREQQ
, 0);
1110 xfer
->act
.hand
= sbp_busy_timeout_callback
;
1111 fp
= &xfer
->send
.hdr
;
1112 fp
->mode
.wreqq
.dest_hi
= 0xffff;
1113 fp
->mode
.wreqq
.dest_lo
= 0xf0000000 | BUSY_TIMEOUT
;
1114 fp
->mode
.wreqq
.data
= htonl((1 << (13+12)) | 0xf);
1115 fw_asyreq(xfer
->fc
, -1, xfer
);
1119 sbp_orb_pointer_callback(struct fw_xfer
*xfer
)
1121 struct sbp_dev
*sdev
;
1122 sdev
= (struct sbp_dev
*)xfer
->sc
;
1125 sbp_show_sdev_info(sdev
, 2);
1126 kprintf("%s\n", __func__
);
1128 if (xfer
->resp
!= 0) {
1130 kprintf("%s: xfer->resp = %d\n", __func__
, xfer
->resp
);
1132 sbp_xfer_free(xfer
);
1133 sdev
->flags
&= ~ORB_POINTER_ACTIVE
;
1135 if ((sdev
->flags
& ORB_POINTER_NEED
) != 0) {
1136 struct sbp_ocb
*ocb
;
1138 sdev
->flags
&= ~ORB_POINTER_NEED
;
1139 ocb
= STAILQ_FIRST(&sdev
->ocbs
);
1141 sbp_orb_pointer(sdev
, ocb
);
1147 sbp_orb_pointer(struct sbp_dev
*sdev
, struct sbp_ocb
*ocb
)
1149 struct fw_xfer
*xfer
;
1152 sbp_show_sdev_info(sdev
, 2);
1153 kprintf("%s: 0x%08x\n", __func__
, (u_int32_t
)ocb
->bus_addr
);
1156 if ((sdev
->flags
& ORB_POINTER_ACTIVE
) != 0) {
1158 kprintf("%s: orb pointer active\n", __func__
);
1160 sdev
->flags
|= ORB_POINTER_NEED
;
1164 sdev
->flags
|= ORB_POINTER_ACTIVE
;
1165 xfer
= sbp_write_cmd(sdev
, FWTCODE_WREQB
, 0x08);
1168 xfer
->act
.hand
= sbp_orb_pointer_callback
;
1170 fp
= &xfer
->send
.hdr
;
1171 fp
->mode
.wreqb
.len
= 8;
1172 fp
->mode
.wreqb
.extcode
= 0;
1173 xfer
->send
.payload
[0] =
1174 htonl(((sdev
->target
->sbp
->fd
.fc
->nodeid
| FWLOCALBUS
)<< 16));
1175 xfer
->send
.payload
[1] = htonl((u_int32_t
)ocb
->bus_addr
);
1177 if(fw_asyreq(xfer
->fc
, -1, xfer
) != 0){
1178 sbp_xfer_free(xfer
);
1179 ocb
->ccb
->ccb_h
.status
= CAM_REQ_INVALID
;
1186 sbp_cmd_callback(struct fw_xfer
*xfer
)
1189 struct sbp_dev
*sdev
;
1190 sdev
= (struct sbp_dev
*)xfer
->sc
;
1191 sbp_show_sdev_info(sdev
, 2);
1192 kprintf("sbp_cmd_callback\n");
1194 if (xfer
->resp
!= 0) {
1196 kprintf("%s: xfer->resp = %d\n", __func__
, xfer
->resp
);
1198 sbp_xfer_free(xfer
);
1203 sbp_doorbell(struct sbp_dev
*sdev
)
1205 struct fw_xfer
*xfer
;
1208 sbp_show_sdev_info(sdev
, 2);
1209 kprintf("sbp_doorbell\n");
1212 xfer
= sbp_write_cmd(sdev
, FWTCODE_WREQQ
, 0x10);
1215 xfer
->act
.hand
= sbp_cmd_callback
;
1216 fp
= (struct fw_pkt
*)xfer
->send
.buf
;
1217 fp
->mode
.wreqq
.data
= htonl(0xf);
1218 fw_asyreq(xfer
->fc
, -1, xfer
);
1222 static struct fw_xfer
*
1223 sbp_write_cmd(struct sbp_dev
*sdev
, int tcode
, int offset
)
1225 struct fw_xfer
*xfer
;
1227 struct sbp_target
*target
;
1230 target
= sdev
->target
;
1232 xfer
= STAILQ_FIRST(&target
->xferlist
);
1234 if (target
->n_xfer
> 5 /* XXX */) {
1235 kprintf("sbp: no more xfer for this target\n");
1239 xfer
= fw_xfer_alloc_buf(M_SBP
, 8, 0);
1241 kprintf("sbp: fw_xfer_alloc_buf failed\n");
1247 kprintf("sbp: alloc %d xfer\n", target
->n_xfer
);
1250 STAILQ_REMOVE_HEAD(&target
->xferlist
, link
);
1254 microtime(&xfer
->tv
);
1257 xfer
->recv
.pay_len
= 0;
1258 xfer
->send
.spd
= min(sdev
->target
->fwdev
->speed
, max_speed
);
1259 xfer
->fc
= sdev
->target
->sbp
->fd
.fc
;
1260 xfer
->retry_req
= fw_asybusy
;
1263 if (tcode
== FWTCODE_WREQB
)
1264 xfer
->send
.pay_len
= 8;
1266 xfer
->send
.pay_len
= 0;
1268 xfer
->sc
= (caddr_t
)sdev
;
1269 fp
= &xfer
->send
.hdr
;
1270 fp
->mode
.wreqq
.dest_hi
= sdev
->login
->cmd_hi
;
1271 fp
->mode
.wreqq
.dest_lo
= sdev
->login
->cmd_lo
+ offset
;
1272 fp
->mode
.wreqq
.tlrt
= 0;
1273 fp
->mode
.wreqq
.tcode
= tcode
;
1274 fp
->mode
.wreqq
.pri
= 0;
1275 fp
->mode
.wreqq
.dst
= FWLOCALBUS
| sdev
->target
->fwdev
->dst
;
1282 sbp_mgm_orb(struct sbp_dev
*sdev
, int func
, struct sbp_ocb
*aocb
)
1284 struct fw_xfer
*xfer
;
1286 struct sbp_ocb
*ocb
;
1287 struct sbp_target
*target
;
1290 target
= sdev
->target
;
1291 nid
= target
->sbp
->fd
.fc
->nodeid
| FWLOCALBUS
;
1294 if (func
== ORB_FUN_RUNQUEUE
) {
1295 ocb
= STAILQ_FIRST(&target
->mgm_ocb_queue
);
1296 if (target
->mgm_ocb_cur
!= NULL
|| ocb
== NULL
) {
1300 STAILQ_REMOVE_HEAD(&target
->mgm_ocb_queue
, ocb
);
1303 if ((ocb
= sbp_get_ocb(sdev
)) == NULL
) {
1308 ocb
->flags
= OCB_ACT_MGM
;
1311 bzero((void *)ocb
->orb
, sizeof(ocb
->orb
));
1312 ocb
->orb
[6] = htonl((nid
<< 16) | SBP_BIND_HI
);
1313 ocb
->orb
[7] = htonl(SBP_DEV2ADDR(target
->target_id
, sdev
->lun_id
));
1316 sbp_show_sdev_info(sdev
, 2);
1317 kprintf("%s\n", orb_fun_name
[(func
>>16)&0xf]);
1321 ocb
->orb
[0] = ocb
->orb
[1] = 0; /* password */
1322 ocb
->orb
[2] = htonl(nid
<< 16);
1323 ocb
->orb
[3] = htonl(sdev
->dma
.bus_addr
);
1324 ocb
->orb
[4] = htonl(ORB_NOTIFY
| sdev
->lun_id
);
1326 ocb
->orb
[4] |= htonl(ORB_EXV
);
1327 ocb
->orb
[5] = htonl(SBP_LOGIN_SIZE
);
1328 fwdma_sync(&sdev
->dma
, BUS_DMASYNC_PREREAD
);
1331 ocb
->orb
[0] = htonl((0 << 16) | 0);
1332 ocb
->orb
[1] = htonl(aocb
->bus_addr
& 0xffffffff);
1339 ocb
->orb
[4] = htonl(ORB_NOTIFY
| func
| sdev
->login
->id
);
1343 if (target
->mgm_ocb_cur
!= NULL
) {
1344 /* there is a standing ORB */
1345 STAILQ_INSERT_TAIL(&sdev
->target
->mgm_ocb_queue
, ocb
, ocb
);
1350 target
->mgm_ocb_cur
= ocb
;
1353 callout_reset(&target
->mgm_ocb_timeout
, 5*hz
,
1354 sbp_mgm_timeout
, (caddr_t
)ocb
);
1355 xfer
= sbp_write_cmd(sdev
, FWTCODE_WREQB
, 0);
1359 xfer
->act
.hand
= sbp_mgm_callback
;
1361 fp
= &xfer
->send
.hdr
;
1362 fp
->mode
.wreqb
.dest_hi
= sdev
->target
->mgm_hi
;
1363 fp
->mode
.wreqb
.dest_lo
= sdev
->target
->mgm_lo
;
1364 fp
->mode
.wreqb
.len
= 8;
1365 fp
->mode
.wreqb
.extcode
= 0;
1366 xfer
->send
.payload
[0] = htonl(nid
<< 16);
1367 xfer
->send
.payload
[1] = htonl(ocb
->bus_addr
& 0xffffffff);
1369 sbp_show_sdev_info(sdev
, 2);
1370 kprintf("mgm orb: %08x\n", (u_int32_t
)ocb
->bus_addr
);
1373 fw_asyreq(xfer
->fc
, -1, xfer
);
1377 sbp_print_scsi_cmd(struct sbp_ocb
*ocb
)
1379 struct ccb_scsiio
*csio
;
1381 csio
= &ocb
->ccb
->csio
;
1382 kprintf("%s:%d:%d XPT_SCSI_IO: "
1383 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x"
1385 "%db cmd/%db data/%db sense\n",
1386 device_get_nameunit(ocb
->sdev
->target
->sbp
->fd
.dev
),
1387 ocb
->ccb
->ccb_h
.target_id
, ocb
->ccb
->ccb_h
.target_lun
,
1388 csio
->cdb_io
.cdb_bytes
[0],
1389 csio
->cdb_io
.cdb_bytes
[1],
1390 csio
->cdb_io
.cdb_bytes
[2],
1391 csio
->cdb_io
.cdb_bytes
[3],
1392 csio
->cdb_io
.cdb_bytes
[4],
1393 csio
->cdb_io
.cdb_bytes
[5],
1394 csio
->cdb_io
.cdb_bytes
[6],
1395 csio
->cdb_io
.cdb_bytes
[7],
1396 csio
->cdb_io
.cdb_bytes
[8],
1397 csio
->cdb_io
.cdb_bytes
[9],
1398 ocb
->ccb
->ccb_h
.flags
& CAM_DIR_MASK
,
1399 csio
->cdb_len
, csio
->dxfer_len
,
1404 sbp_scsi_status(struct sbp_status
*sbp_status
, struct sbp_ocb
*ocb
)
1406 struct sbp_cmd_status
*sbp_cmd_status
;
1407 struct scsi_sense_data
*sense
;
1409 sbp_cmd_status
= (struct sbp_cmd_status
*)sbp_status
->data
;
1410 sense
= &ocb
->ccb
->csio
.sense_data
;
1413 sbp_print_scsi_cmd(ocb
);
1414 /* XXX need decode status */
1415 sbp_show_sdev_info(ocb
->sdev
, 2);
1416 kprintf("SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d\n",
1417 sbp_cmd_status
->status
,
1418 sbp_cmd_status
->sfmt
,
1419 sbp_cmd_status
->valid
,
1420 sbp_cmd_status
->s_key
,
1421 sbp_cmd_status
->s_code
,
1422 sbp_cmd_status
->s_qlfr
,
1427 switch (sbp_cmd_status
->status
) {
1428 case SCSI_STATUS_CHECK_COND
:
1429 case SCSI_STATUS_BUSY
:
1430 case SCSI_STATUS_CMD_TERMINATED
:
1431 if(sbp_cmd_status
->sfmt
== SBP_SFMT_CURR
){
1432 sense
->error_code
= SSD_CURRENT_ERROR
;
1434 sense
->error_code
= SSD_DEFERRED_ERROR
;
1436 if(sbp_cmd_status
->valid
)
1437 sense
->error_code
|= SSD_ERRCODE_VALID
;
1438 sense
->flags
= sbp_cmd_status
->s_key
;
1439 if(sbp_cmd_status
->mark
)
1440 sense
->flags
|= SSD_FILEMARK
;
1441 if(sbp_cmd_status
->eom
)
1442 sense
->flags
|= SSD_EOM
;
1443 if(sbp_cmd_status
->ill_len
)
1444 sense
->flags
|= SSD_ILI
;
1446 bcopy(&sbp_cmd_status
->info
, &sense
->info
[0], 4);
1448 if (sbp_status
->len
<= 1)
1449 /* XXX not scsi status. shouldn't be happened */
1450 sense
->extra_len
= 0;
1451 else if (sbp_status
->len
<= 4)
1452 /* add_sense_code(_qual), info, cmd_spec_info */
1453 sense
->extra_len
= 6;
1455 /* fru, sense_key_spec */
1456 sense
->extra_len
= 10;
1458 bcopy(&sbp_cmd_status
->cdb
, &sense
->cmd_spec_info
[0], 4);
1460 sense
->add_sense_code
= sbp_cmd_status
->s_code
;
1461 sense
->add_sense_code_qual
= sbp_cmd_status
->s_qlfr
;
1462 sense
->fru
= sbp_cmd_status
->fru
;
1464 bcopy(&sbp_cmd_status
->s_keydep
[0],
1465 &sense
->sense_key_spec
[0], 3);
1467 ocb
->ccb
->csio
.scsi_status
= sbp_cmd_status
->status
;
1468 ocb
->ccb
->ccb_h
.status
= CAM_SCSI_STATUS_ERROR
1469 | CAM_AUTOSNS_VALID
;
1474 for( j = 0 ; j < 32 ; j+=8){
1475 kprintf("sense %02x%02x %02x%02x %02x%02x %02x%02x\n",
1476 tmp[j], tmp[j+1], tmp[j+2], tmp[j+3],
1477 tmp[j+4], tmp[j+5], tmp[j+6], tmp[j+7]);
1484 sbp_show_sdev_info(ocb
->sdev
, 2);
1485 kprintf("sbp_scsi_status: unknown scsi status 0x%x\n",
1486 sbp_cmd_status
->status
);
1491 sbp_fix_inq_data(struct sbp_ocb
*ocb
)
1494 struct sbp_dev
*sdev
;
1495 struct scsi_inquiry_data
*inq
;
1500 if (ccb
->csio
.cdb_io
.cdb_bytes
[1] & SI_EVPD
)
1503 sbp_show_sdev_info(sdev
, 2);
1504 kprintf("sbp_fix_inq_data\n");
1506 inq
= (struct scsi_inquiry_data
*) ccb
->csio
.data_ptr
;
1507 switch (SID_TYPE(inq
)) {
1511 * XXX Convert Direct Access device to RBC.
1512 * I've never seen FireWire DA devices which support READ_6.
1514 if (SID_TYPE(inq
) == T_DIRECT
)
1515 inq
->device
|= T_RBC
; /* T_DIRECT == 0 */
1519 /* enable tagged queuing */
1521 inq
->flags
|= SID_CmdQue
;
1523 inq
->flags
&= ~SID_CmdQue
;
1525 * Override vendor/product/revision information.
1526 * Some devices sometimes return strange strings.
1529 bcopy(sdev
->vendor
, inq
->vendor
, sizeof(inq
->vendor
));
1530 bcopy(sdev
->product
, inq
->product
, sizeof(inq
->product
));
1531 bcopy(sdev
->revision
+2, inq
->revision
, sizeof(inq
->revision
));
1538 sbp_recv1(struct fw_xfer
*xfer
)
1544 struct sbp_softc
*sbp
;
1545 struct sbp_dev
*sdev
;
1546 struct sbp_ocb
*ocb
;
1547 struct sbp_login_res
*login_res
= NULL
;
1548 struct sbp_status
*sbp_status
;
1549 struct sbp_target
*target
;
1550 int orb_fun
, status_valid0
, status_valid
, t
, l
, reset_agent
= 0;
1554 ld = xfer->recv.buf;
1555 kprintf("sbp %x %d %d %08x %08x %08x %08x\n",
1556 xfer->resp, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3]));
1557 kprintf("sbp %08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7]));
1558 kprintf("sbp %08x %08x %08x %08x\n", ntohl(ld[8]), ntohl(ld[9]), ntohl(ld[10]), ntohl(ld[11]));
1560 sbp
= (struct sbp_softc
*)xfer
->sc
;
1561 if (xfer
->resp
!= 0){
1562 kprintf("sbp_recv: xfer->resp = %d\n", xfer
->resp
);
1565 if (xfer
->recv
.payload
== NULL
){
1566 kprintf("sbp_recv: xfer->recv.payload == NULL\n");
1569 rfp
= &xfer
->recv
.hdr
;
1570 if(rfp
->mode
.wreqb
.tcode
!= FWTCODE_WREQB
){
1571 kprintf("sbp_recv: tcode = %d\n", rfp
->mode
.wreqb
.tcode
);
1574 sbp_status
= (struct sbp_status
*)xfer
->recv
.payload
;
1575 addr
= rfp
->mode
.wreqb
.dest_lo
;
1577 kprintf("received address 0x%x\n", addr
);
1579 t
= SBP_ADDR2TRG(addr
);
1580 if (t
>= SBP_NUM_TARGETS
) {
1581 device_printf(sbp
->fd
.dev
,
1582 "sbp_recv1: invalid target %d\n", t
);
1585 target
= &sbp
->targets
[t
];
1586 l
= SBP_ADDR2LUN(addr
);
1587 if (l
>= target
->num_lun
|| target
->luns
[l
] == NULL
) {
1588 device_printf(sbp
->fd
.dev
,
1589 "sbp_recv1: invalid lun %d (target=%d)\n", l
, t
);
1592 sdev
= target
->luns
[l
];
1595 switch (sbp_status
->src
) {
1598 /* check mgm_ocb_cur first */
1599 ocb
= target
->mgm_ocb_cur
;
1601 if (OCB_MATCH(ocb
, sbp_status
)) {
1602 callout_stop(&target
->mgm_ocb_timeout
);
1603 target
->mgm_ocb_cur
= NULL
;
1607 ocb
= sbp_dequeue_ocb(sdev
, sbp_status
);
1609 sbp_show_sdev_info(sdev
, 2);
1610 kprintf("No ocb(%x) on the queue\n",
1611 ntohl(sbp_status
->orb_lo
));
1616 sbp_show_sdev_info(sdev
, 2);
1617 kprintf("unsolicit status received\n");
1620 sbp_show_sdev_info(sdev
, 2);
1621 kprintf("unknown sbp_status->src\n");
1624 status_valid0
= (sbp_status
->src
< 2
1625 && sbp_status
->resp
== ORB_RES_CMPL
1626 && sbp_status
->dead
== 0);
1627 status_valid
= (status_valid0
&& sbp_status
->status
== 0);
1629 if (!status_valid0
|| debug
> 2){
1632 sbp_show_sdev_info(sdev
, 2);
1633 kprintf("ORB status src:%x resp:%x dead:%x"
1634 " len:%x stat:%x orb:%x%08x\n",
1635 sbp_status
->src
, sbp_status
->resp
, sbp_status
->dead
,
1636 sbp_status
->len
, sbp_status
->status
,
1637 ntohs(sbp_status
->orb_hi
), ntohl(sbp_status
->orb_lo
));
1639 sbp_show_sdev_info(sdev
, 2);
1640 status
= sbp_status
->status
;
1641 switch(sbp_status
->resp
) {
1643 if (status
> MAX_ORB_STATUS0
)
1644 kprintf("%s\n", orb_status0
[MAX_ORB_STATUS0
]);
1646 kprintf("%s\n", orb_status0
[status
]);
1649 kprintf("Obj: %s, Error: %s\n",
1650 orb_status1_object
[(status
>>6) & 3],
1651 orb_status1_serial_bus_error
[status
& 0xf]);
1654 kprintf("Illegal request\n");
1657 kprintf("Vendor dependent\n");
1660 kprintf("unknown respose code %d\n", sbp_status
->resp
);
1664 /* we have to reset the fetch agent if it's dead */
1665 if (sbp_status
->dead
) {
1667 xpt_freeze_devq(sdev
->path
, 1);
1676 switch(ntohl(ocb
->orb
[4]) & ORB_FMT_MSK
){
1682 switch(ocb
->flags
) {
1684 orb_fun
= ntohl(ocb
->orb
[4]) & ORB_FUN_MSK
;
1688 fwdma_sync(&sdev
->dma
, BUS_DMASYNC_POSTREAD
);
1689 login_res
= sdev
->login
;
1690 login_res
->len
= ntohs(login_res
->len
);
1691 login_res
->id
= ntohs(login_res
->id
);
1692 login_res
->cmd_hi
= ntohs(login_res
->cmd_hi
);
1693 login_res
->cmd_lo
= ntohl(login_res
->cmd_lo
);
1696 sbp_show_sdev_info(sdev
, 2);
1697 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
));
1699 sbp_busy_timeout(sdev
);
1701 /* forgot logout? */
1702 sbp_show_sdev_info(sdev
, 2);
1703 kprintf("login failed\n");
1704 sdev
->status
= SBP_DEV_RESET
;
1708 login_res
= sdev
->login
;
1711 sbp_show_sdev_info(sdev
, 2);
1712 kprintf("reconnect: len %d, ID %d, cmd %08x%08x\n", login_res
->len
, login_res
->id
, login_res
->cmd_hi
, login_res
->cmd_lo
);
1715 if (sdev
->status
== SBP_DEV_ATTACHED
)
1718 sbp_agent_reset(sdev
);
1720 sdev
->status
= SBP_DEV_ATTACHED
;
1721 sbp_mgm_orb(sdev
, ORB_FUN_ATS
, NULL
);
1724 /* reconnection hold time exceed? */
1726 sbp_show_sdev_info(sdev
, 2);
1727 kprintf("reconnect failed\n");
1733 sdev
->status
= SBP_DEV_RESET
;
1736 sbp_busy_timeout(sdev
);
1741 sbp_agent_reset(sdev
);
1744 sbp_show_sdev_info(sdev
, 2);
1745 kprintf("unknown function %d\n", orb_fun
);
1748 sbp_mgm_orb(sdev
, ORB_FUN_RUNQUEUE
, NULL
);
1752 if(ocb
->ccb
!= NULL
){
1756 ld = ocb->ccb->csio.data_ptr;
1757 if(ld != NULL && ocb->ccb->csio.dxfer_len != 0)
1758 kprintf("ptr %08x %08x %08x %08x\n", ld[0], ld[1], ld[2], ld[3]);
1760 kprintf("ptr NULL\n");
1761 kprintf("len %d\n", sbp_status->len);
1764 if(sbp_status
->len
> 1){
1765 sbp_scsi_status(sbp_status
, ocb
);
1767 if(sbp_status
->resp
!= ORB_RES_CMPL
){
1768 ccb
->ccb_h
.status
= CAM_REQ_CMP_ERR
;
1770 ccb
->ccb_h
.status
= CAM_REQ_CMP
;
1773 /* fix up inq data */
1774 if (ccb
->csio
.cdb_io
.cdb_bytes
[0] == INQUIRY
)
1775 sbp_fix_inq_data(ocb
);
1784 sbp_free_ocb(sdev
, ocb
);
1787 sbp_agent_reset(sdev
);
1790 xfer
->recv
.pay_len
= SBP_RECV_LEN
;
1791 /* The received packet is usually small enough to be stored within
1792 * the buffer. In that case, the controller return ack_complete and
1793 * no respose is necessary.
1795 * XXX fwohci.c and firewire.c should inform event_code such as
1796 * ack_complete or ack_pending to upper driver.
1800 sfp
= (struct fw_pkt
*)xfer
->send
.buf
;
1801 sfp
->mode
.wres
.dst
= rfp
->mode
.wreqb
.src
;
1802 xfer
->dst
= sfp
->mode
.wres
.dst
;
1803 xfer
->spd
= min(sdev
->target
->fwdev
->speed
, max_speed
);
1804 xfer
->act
.hand
= sbp_loginres_callback
;
1805 xfer
->retry_req
= fw_asybusy
;
1807 sfp
->mode
.wres
.tlrt
= rfp
->mode
.wreqb
.tlrt
;
1808 sfp
->mode
.wres
.tcode
= FWTCODE_WRES
;
1809 sfp
->mode
.wres
.rtcode
= 0;
1810 sfp
->mode
.wres
.pri
= 0;
1812 fw_asyreq(xfer
->fc
, -1, xfer
);
1815 STAILQ_INSERT_TAIL(&sbp
->fwb
.xferlist
, xfer
, link
);
1823 sbp_recv(struct fw_xfer
*xfer
)
1833 sbp_attach(device_t dev
)
1835 struct sbp_softc
*sbp
;
1836 struct cam_devq
*devq
;
1837 struct fw_xfer
*xfer
;
1841 kprintf("sbp_attach (cold=%d)\n", cold
);
1848 sbp
= ((struct sbp_softc
*)device_get_softc(dev
));
1849 bzero(sbp
, sizeof(struct sbp_softc
));
1851 sbp
->fd
.fc
= device_get_ivars(dev
);
1854 max_speed
= sbp
->fd
.fc
->speed
;
1856 error
= bus_dma_tag_create(/*parent*/sbp
->fd
.fc
->dmat
,
1857 /* XXX shoud be 4 for sane backend? */
1860 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT
,
1861 /*highaddr*/BUS_SPACE_MAXADDR
,
1862 /*filter*/NULL
, /*filterarg*/NULL
,
1863 /*maxsize*/0x100000, /*nsegments*/SBP_IND_MAX
,
1864 /*maxsegsz*/SBP_SEG_MAX
,
1865 /*flags*/BUS_DMA_ALLOCNOW
,
1866 #if defined(__FreeBSD__) && __FreeBSD_version >= 501102
1867 /*lockfunc*/busdma_lock_mutex
,
1872 kprintf("sbp_attach: Could not allocate DMA tag "
1873 "- error %d\n", error
);
1877 devq
= cam_simq_alloc(/*maxopenings*/SBP_NUM_OCB
);
1881 for( i
= 0 ; i
< SBP_NUM_TARGETS
; i
++){
1882 sbp
->targets
[i
].fwdev
= NULL
;
1883 sbp
->targets
[i
].luns
= NULL
;
1886 sbp
->sim
= cam_sim_alloc(sbp_action
, sbp_poll
, "sbp", sbp
,
1887 device_get_unit(dev
),
1889 /*tagged*/ SBP_QUEUE_LEN
- 1,
1891 cam_simq_release(devq
);
1892 if (sbp
->sim
== NULL
)
1895 if (xpt_bus_register(sbp
->sim
, /*bus*/0) != CAM_SUCCESS
)
1898 if (xpt_create_path(&sbp
->path
, xpt_periph
, cam_sim_path(sbp
->sim
),
1899 CAM_TARGET_WILDCARD
, CAM_LUN_WILDCARD
) != CAM_REQ_CMP
) {
1900 xpt_bus_deregister(cam_sim_path(sbp
->sim
));
1904 /* We reserve 16 bit space (4 bytes X 64 targets X 256 luns) */
1905 sbp
->fwb
.start
= ((u_int64_t
)SBP_BIND_HI
<< 32) | SBP_DEV2ADDR(0, 0);
1906 sbp
->fwb
.end
= sbp
->fwb
.start
+ 0xffff;
1907 sbp
->fwb
.act_type
= FWACT_XFER
;
1908 /* pre-allocate xfer */
1909 STAILQ_INIT(&sbp
->fwb
.xferlist
);
1910 for (i
= 0; i
< SBP_NUM_OCB
/2; i
++) {
1911 xfer
= fw_xfer_alloc_buf(M_SBP
,
1913 /* recv */SBP_RECV_LEN
);
1914 xfer
->act
.hand
= sbp_recv
;
1916 xfer
->fc
= sbp
->fd
.fc
;
1918 xfer
->sc
= (caddr_t
)sbp
;
1919 STAILQ_INSERT_TAIL(&sbp
->fwb
.xferlist
, xfer
, link
);
1921 fw_bindadd(sbp
->fd
.fc
, &sbp
->fwb
);
1923 sbp
->fd
.post_busreset
= sbp_post_busreset
;
1924 sbp
->fd
.post_explore
= sbp_post_explore
;
1926 if (sbp
->fd
.fc
->status
!= -1) {
1928 sbp_post_busreset((void *)sbp
);
1929 sbp_post_explore((void *)sbp
);
1932 xpt_async(AC_BUS_RESET
, sbp
->path
, /*arg*/ NULL
);
1936 cam_sim_free(sbp
->sim
);
1941 sbp_logout_all(struct sbp_softc
*sbp
)
1943 struct sbp_target
*target
;
1944 struct sbp_dev
*sdev
;
1948 kprintf("sbp_logout_all\n");
1950 for (i
= 0 ; i
< SBP_NUM_TARGETS
; i
++) {
1951 target
= &sbp
->targets
[i
];
1952 if (target
->luns
== NULL
)
1954 for (j
= 0; j
< target
->num_lun
; j
++) {
1955 sdev
= target
->luns
[j
];
1958 callout_stop(&sdev
->login_callout
);
1959 if (sdev
->status
>= SBP_DEV_TOATTACH
&&
1960 sdev
->status
<= SBP_DEV_ATTACHED
)
1961 sbp_mgm_orb(sdev
, ORB_FUN_LGO
, NULL
);
1969 sbp_shutdown(device_t dev
)
1971 struct sbp_softc
*sbp
= ((struct sbp_softc
*)device_get_softc(dev
));
1973 sbp_logout_all(sbp
);
1978 sbp_free_sdev(struct sbp_dev
*sdev
)
1984 for (i
= 0; i
< SBP_QUEUE_LEN
; i
++)
1985 bus_dmamap_destroy(sdev
->target
->sbp
->dmat
,
1986 sdev
->ocb
[i
].dmamap
);
1987 fwdma_free(sdev
->target
->sbp
->fd
.fc
, &sdev
->dma
);
1992 sbp_free_target(struct sbp_target
*target
)
1994 struct sbp_softc
*sbp
;
1995 struct fw_xfer
*xfer
, *next
;
1998 if (target
->luns
== NULL
)
2000 callout_stop(&target
->mgm_ocb_timeout
);
2002 for (i
= 0; i
< target
->num_lun
; i
++)
2003 sbp_free_sdev(target
->luns
[i
]);
2005 for (xfer
= STAILQ_FIRST(&target
->xferlist
);
2006 xfer
!= NULL
; xfer
= next
) {
2007 next
= STAILQ_NEXT(xfer
, link
);
2008 fw_xfer_free_buf(xfer
);
2010 STAILQ_INIT(&target
->xferlist
);
2011 kfree(target
->luns
, M_SBP
);
2012 target
->num_lun
= 0;
2013 target
->luns
= NULL
;
2014 target
->fwdev
= NULL
;
2018 sbp_detach(device_t dev
)
2020 struct sbp_softc
*sbp
= ((struct sbp_softc
*)device_get_softc(dev
));
2021 struct firewire_comm
*fc
= sbp
->fd
.fc
;
2022 struct fw_xfer
*xfer
, *next
;
2026 kprintf("sbp_detach\n");
2029 for (i
= 0; i
< SBP_NUM_TARGETS
; i
++)
2030 sbp_cam_detach_target(&sbp
->targets
[i
]);
2031 xpt_async(AC_LOST_DEVICE
, sbp
->path
, NULL
);
2032 xpt_free_path(sbp
->path
);
2033 xpt_bus_deregister(cam_sim_path(sbp
->sim
));
2034 cam_sim_free(sbp
->sim
);
2036 sbp_logout_all(sbp
);
2038 /* XXX wait for logout completion */
2039 tsleep(&i
, FWPRI
, "sbpdtc", hz
/2);
2041 for (i
= 0 ; i
< SBP_NUM_TARGETS
; i
++)
2042 sbp_free_target(&sbp
->targets
[i
]);
2044 for (xfer
= STAILQ_FIRST(&sbp
->fwb
.xferlist
);
2045 xfer
!= NULL
; xfer
= next
) {
2046 next
= STAILQ_NEXT(xfer
, link
);
2047 fw_xfer_free_buf(xfer
);
2049 STAILQ_INIT(&sbp
->fwb
.xferlist
);
2050 fw_bindremove(fc
, &sbp
->fwb
);
2052 bus_dma_tag_destroy(sbp
->dmat
);
2058 sbp_cam_detach_sdev(struct sbp_dev
*sdev
)
2062 if (sdev
->status
== SBP_DEV_DEAD
)
2064 if (sdev
->status
== SBP_DEV_RESET
)
2067 xpt_release_devq(sdev
->path
,
2068 sdev
->freeze
, TRUE
);
2070 xpt_async(AC_LOST_DEVICE
, sdev
->path
, NULL
);
2071 xpt_free_path(sdev
->path
);
2074 sbp_abort_all_ocbs(sdev
, CAM_DEV_NOT_THERE
);
2078 sbp_cam_detach_target(struct sbp_target
*target
)
2082 if (target
->luns
!= NULL
) {
2084 kprintf("sbp_detach_target %d\n", target
->target_id
);
2086 callout_stop(&target
->scan_callout
);
2087 for (i
= 0; i
< target
->num_lun
; i
++)
2088 sbp_cam_detach_sdev(target
->luns
[i
]);
2093 sbp_target_reset(struct sbp_dev
*sdev
, int method
)
2096 struct sbp_target
*target
= sdev
->target
;
2097 struct sbp_dev
*tsdev
;
2099 for (i
= 0; i
< target
->num_lun
; i
++) {
2100 tsdev
= target
->luns
[i
];
2103 if (tsdev
->status
== SBP_DEV_DEAD
)
2105 if (tsdev
->status
== SBP_DEV_RESET
)
2107 xpt_freeze_devq(tsdev
->path
, 1);
2109 sbp_abort_all_ocbs(tsdev
, CAM_CMD_TIMEOUT
);
2111 tsdev
->status
= SBP_DEV_LOGIN
;
2115 kprintf("target reset\n");
2116 sbp_mgm_orb(sdev
, ORB_FUN_RST
, NULL
);
2119 kprintf("reset start\n");
2120 sbp_reset_start(sdev
);
2127 sbp_mgm_timeout(void *arg
)
2129 struct sbp_ocb
*ocb
= (struct sbp_ocb
*)arg
;
2130 struct sbp_dev
*sdev
= ocb
->sdev
;
2131 struct sbp_target
*target
= sdev
->target
;
2133 sbp_show_sdev_info(sdev
, 2);
2134 kprintf("request timeout(mgm orb:0x%08x) ... ",
2135 (u_int32_t
)ocb
->bus_addr
);
2136 target
->mgm_ocb_cur
= NULL
;
2137 sbp_free_ocb(sdev
, ocb
);
2140 kprintf("run next request\n");
2141 sbp_mgm_orb(sdev
, ORB_FUN_RUNQUEUE
, NULL
);
2144 kprintf("reset start\n");
2145 sbp_reset_start(sdev
);
2150 sbp_timeout(void *arg
)
2152 struct sbp_ocb
*ocb
= (struct sbp_ocb
*)arg
;
2153 struct sbp_dev
*sdev
= ocb
->sdev
;
2155 sbp_show_sdev_info(sdev
, 2);
2156 kprintf("request timeout(cmd orb:0x%08x) ... ",
2157 (u_int32_t
)ocb
->bus_addr
);
2160 switch(sdev
->timeout
) {
2162 kprintf("agent reset\n");
2163 xpt_freeze_devq(sdev
->path
, 1);
2165 sbp_abort_all_ocbs(sdev
, CAM_CMD_TIMEOUT
);
2166 sbp_agent_reset(sdev
);
2170 sbp_target_reset(sdev
, sdev
->timeout
- 1);
2175 sbp_cam_detach_target(target
);
2176 if (target
->luns
!= NULL
)
2177 kfree(target
->luns
, M_SBP
);
2178 target
->num_lun
= 0;
2179 target
->luns
= NULL
;
2180 target
->fwdev
= NULL
;
2186 sbp_action1(struct cam_sim
*sim
, union ccb
*ccb
)
2189 struct sbp_softc
*sbp
= (struct sbp_softc
*)sim
->softc
;
2190 struct sbp_target
*target
= NULL
;
2191 struct sbp_dev
*sdev
= NULL
;
2193 /* target:lun -> sdev mapping */
2195 && ccb
->ccb_h
.target_id
!= CAM_TARGET_WILDCARD
2196 && ccb
->ccb_h
.target_id
< SBP_NUM_TARGETS
) {
2197 target
= &sbp
->targets
[ccb
->ccb_h
.target_id
];
2198 if (target
->fwdev
!= NULL
2199 && ccb
->ccb_h
.target_lun
!= CAM_LUN_WILDCARD
2200 && ccb
->ccb_h
.target_lun
< target
->num_lun
) {
2201 sdev
= target
->luns
[ccb
->ccb_h
.target_lun
];
2202 if (sdev
!= NULL
&& sdev
->status
!= SBP_DEV_ATTACHED
&&
2203 sdev
->status
!= SBP_DEV_PROBE
)
2210 kprintf("invalid target %d lun %d\n",
2211 ccb
->ccb_h
.target_id
, ccb
->ccb_h
.target_lun
);
2214 switch (ccb
->ccb_h
.func_code
) {
2217 case XPT_GET_TRAN_SETTINGS
:
2218 case XPT_SET_TRAN_SETTINGS
:
2219 case XPT_CALC_GEOMETRY
:
2222 kprintf("%s:%d:%d:func_code 0x%04x: "
2223 "Invalid target (target needed)\n",
2224 device_get_nameunit(sbp
->fd
.dev
),
2225 ccb
->ccb_h
.target_id
, ccb
->ccb_h
.target_lun
,
2226 ccb
->ccb_h
.func_code
);
2229 ccb
->ccb_h
.status
= CAM_DEV_NOT_THERE
;
2236 /* The opcodes sometimes aimed at a target (sc is valid),
2237 * sometimes aimed at the SIM (sc is invalid and target is
2238 * CAM_TARGET_WILDCARD)
2241 ccb
->ccb_h
.target_id
!= CAM_TARGET_WILDCARD
) {
2243 kprintf("%s:%d:%d func_code 0x%04x: "
2244 "Invalid target (no wildcard)\n",
2245 device_get_nameunit(sbp
->fd
.dev
),
2246 ccb
->ccb_h
.target_id
, ccb
->ccb_h
.target_lun
,
2247 ccb
->ccb_h
.func_code
);
2249 ccb
->ccb_h
.status
= CAM_DEV_NOT_THERE
;
2255 /* XXX Hm, we should check the input parameters */
2259 switch (ccb
->ccb_h
.func_code
) {
2262 struct ccb_scsiio
*csio
;
2263 struct sbp_ocb
*ocb
;
2270 kprintf("%s:%d:%d XPT_SCSI_IO: "
2271 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x"
2273 "%db cmd/%db data/%db sense\n",
2274 device_get_nameunit(sbp
->fd
.dev
),
2275 ccb
->ccb_h
.target_id
, ccb
->ccb_h
.target_lun
,
2276 csio
->cdb_io
.cdb_bytes
[0],
2277 csio
->cdb_io
.cdb_bytes
[1],
2278 csio
->cdb_io
.cdb_bytes
[2],
2279 csio
->cdb_io
.cdb_bytes
[3],
2280 csio
->cdb_io
.cdb_bytes
[4],
2281 csio
->cdb_io
.cdb_bytes
[5],
2282 csio
->cdb_io
.cdb_bytes
[6],
2283 csio
->cdb_io
.cdb_bytes
[7],
2284 csio
->cdb_io
.cdb_bytes
[8],
2285 csio
->cdb_io
.cdb_bytes
[9],
2286 ccb
->ccb_h
.flags
& CAM_DIR_MASK
,
2287 csio
->cdb_len
, csio
->dxfer_len
,
2291 ccb
->ccb_h
.status
= CAM_DEV_NOT_THERE
;
2296 /* if we are in probe stage, pass only probe commands */
2297 if (sdev
->status
== SBP_DEV_PROBE
) {
2299 name
= xpt_path_periph(ccb
->ccb_h
.path
)->periph_name
;
2300 kprintf("probe stage, periph name: %s\n", name
);
2301 if (strcmp(name
, "probe") != 0) {
2302 ccb
->ccb_h
.status
= CAM_REQUEUE_REQ
;
2308 if ((ocb
= sbp_get_ocb(sdev
)) == NULL
) {
2309 ccb
->ccb_h
.status
= CAM_REQUEUE_REQ
;
2314 ocb
->flags
= OCB_ACT_CMD
;
2317 ccb
->ccb_h
.ccb_sdev_ptr
= sdev
;
2318 ocb
->orb
[0] = htonl(1 << 31);
2320 ocb
->orb
[2] = htonl(((sbp
->fd
.fc
->nodeid
| FWLOCALBUS
)<< 16) );
2321 ocb
->orb
[3] = htonl(ocb
->bus_addr
+ IND_PTR_OFFSET
);
2322 speed
= min(target
->fwdev
->speed
, max_speed
);
2323 ocb
->orb
[4] = htonl(ORB_NOTIFY
| ORB_CMD_SPD(speed
)
2324 | ORB_CMD_MAXP(speed
+ 7));
2325 if((ccb
->ccb_h
.flags
& CAM_DIR_MASK
) == CAM_DIR_IN
){
2326 ocb
->orb
[4] |= htonl(ORB_CMD_IN
);
2329 if (csio
->ccb_h
.flags
& CAM_SCATTER_VALID
)
2330 kprintf("sbp: CAM_SCATTER_VALID\n");
2331 if (csio
->ccb_h
.flags
& CAM_DATA_PHYS
)
2332 kprintf("sbp: CAM_DATA_PHYS\n");
2334 if (csio
->ccb_h
.flags
& CAM_CDB_POINTER
)
2335 cdb
= (void *)csio
->cdb_io
.cdb_ptr
;
2337 cdb
= (void *)&csio
->cdb_io
.cdb_bytes
;
2338 bcopy(cdb
, (void *)&ocb
->orb
[5], csio
->cdb_len
);
2340 kprintf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[0]), ntohl(ocb->orb[1]), ntohl(ocb->orb[2]), ntohl(ocb->orb[3]));
2341 kprintf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[4]), ntohl(ocb->orb[5]), ntohl(ocb->orb[6]), ntohl(ocb->orb[7]));
2343 if (ccb
->csio
.dxfer_len
> 0) {
2347 error
= bus_dmamap_load(/*dma tag*/sbp
->dmat
,
2348 /*dma map*/ocb
->dmamap
,
2350 ccb
->csio
.dxfer_len
,
2356 kprintf("sbp: bus_dmamap_load error %d\n", error
);
2358 sbp_execute_ocb(ocb
, NULL
, 0, 0);
2361 case XPT_CALC_GEOMETRY
:
2363 struct ccb_calc_geometry
*ccg
;
2364 #if defined(__DragonFly__) || __FreeBSD_version < 501100
2366 u_int32_t secs_per_cylinder
;
2371 if (ccg
->block_size
== 0) {
2372 kprintf("sbp_action1: block_size is 0.\n");
2373 ccb
->ccb_h
.status
= CAM_REQ_INVALID
;
2378 kprintf("%s:%d:%d:%d:XPT_CALC_GEOMETRY: Volume size = %ju\n",
2379 device_get_nameunit(sbp
->fd
.dev
),
2380 cam_sim_path(sbp
->sim
),
2381 ccb
->ccb_h
.target_id
, ccb
->ccb_h
.target_lun
,
2382 (uintmax_t)ccg
->volume_size
);
2385 #if defined(__DragonFly__) || __FreeBSD_version < 501100
2386 size_mb
= ccg
->volume_size
2387 / ((1024L * 1024L) / ccg
->block_size
);
2389 if (size_mb
> 1024 && extended
) {
2391 ccg
->secs_per_track
= 63;
2394 ccg
->secs_per_track
= 32;
2396 secs_per_cylinder
= ccg
->heads
* ccg
->secs_per_track
;
2397 ccg
->cylinders
= ccg
->volume_size
/ secs_per_cylinder
;
2398 ccb
->ccb_h
.status
= CAM_REQ_CMP
;
2400 cam_calc_geometry(ccg
, /*extended*/1);
2405 case XPT_RESET_BUS
: /* Reset the specified SCSI bus */
2409 kprintf("%s:%d:XPT_RESET_BUS: \n",
2410 device_get_nameunit(sbp
->fd
.dev
), cam_sim_path(sbp
->sim
));
2413 ccb
->ccb_h
.status
= CAM_REQ_INVALID
;
2417 case XPT_PATH_INQ
: /* Path routing inquiry */
2419 struct ccb_pathinq
*cpi
= &ccb
->cpi
;
2422 kprintf("%s:%d:%d XPT_PATH_INQ:.\n",
2423 device_get_nameunit(sbp
->fd
.dev
),
2424 ccb
->ccb_h
.target_id
, ccb
->ccb_h
.target_lun
);
2426 cpi
->version_num
= 1; /* XXX??? */
2427 cpi
->hba_inquiry
= PI_TAG_ABLE
;
2428 cpi
->target_sprt
= 0;
2429 cpi
->hba_misc
= PIM_NOBUSRESET
| PIM_NO_6_BYTE
;
2430 cpi
->hba_eng_cnt
= 0;
2431 cpi
->max_target
= SBP_NUM_TARGETS
- 1;
2432 cpi
->max_lun
= SBP_NUM_LUNS
- 1;
2433 cpi
->initiator_id
= SBP_INITIATOR
;
2434 cpi
->bus_id
= sim
->bus_id
;
2435 cpi
->base_transfer_speed
= 400 * 1000 / 8;
2436 strncpy(cpi
->sim_vid
, "FreeBSD", SIM_IDLEN
);
2437 strncpy(cpi
->hba_vid
, "SBP", HBA_IDLEN
);
2438 strncpy(cpi
->dev_name
, sim
->sim_name
, DEV_IDLEN
);
2439 cpi
->unit_number
= sim
->unit_number
;
2441 cpi
->ccb_h
.status
= CAM_REQ_CMP
;
2445 case XPT_GET_TRAN_SETTINGS
:
2447 struct ccb_trans_settings
*cts
= &ccb
->cts
;
2449 kprintf("%s:%d:%d XPT_GET_TRAN_SETTINGS:.\n",
2450 device_get_nameunit(sbp
->fd
.dev
),
2451 ccb
->ccb_h
.target_id
, ccb
->ccb_h
.target_lun
);
2453 /* Enable disconnect and tagged queuing */
2454 cts
->valid
= CCB_TRANS_DISC_VALID
| CCB_TRANS_TQ_VALID
;
2455 cts
->flags
= CCB_TRANS_DISC_ENB
| CCB_TRANS_TAG_ENB
;
2457 cts
->ccb_h
.status
= CAM_REQ_CMP
;
2462 ccb
->ccb_h
.status
= CAM_UA_ABORT
;
2465 case XPT_SET_TRAN_SETTINGS
:
2468 ccb
->ccb_h
.status
= CAM_REQ_INVALID
;
2476 sbp_action(struct cam_sim
*sim
, union ccb
*ccb
)
2479 sbp_action1(sim
, ccb
);
2484 sbp_execute_ocb(void *arg
, bus_dma_segment_t
*segments
, int seg
, int error
)
2487 struct sbp_ocb
*ocb
;
2488 struct sbp_ocb
*prev
;
2489 bus_dma_segment_t
*s
;
2492 kprintf("sbp_execute_ocb: error=%d\n", error
);
2494 ocb
= (struct sbp_ocb
*)arg
;
2497 kprintf("sbp_execute_ocb: seg %d", seg
);
2498 for (i
= 0; i
< seg
; i
++)
2499 #if defined(__DragonFly__) || __FreeBSD_version < 500000
2500 kprintf(", %x:%d", segments
[i
].ds_addr
, segments
[i
].ds_len
);
2502 kprintf(", %jx:%jd", (uintmax_t)segments
[i
].ds_addr
,
2503 (uintmax_t)segments
[i
].ds_len
);
2509 /* direct pointer */
2511 if (s
->ds_len
> SBP_SEG_MAX
)
2512 panic("ds_len > SBP_SEG_MAX, fix busdma code");
2513 ocb
->orb
[3] = htonl(s
->ds_addr
);
2514 ocb
->orb
[4] |= htonl(s
->ds_len
);
2515 } else if(seg
> 1) {
2517 for (i
= 0; i
< seg
; i
++) {
2520 /* XXX LSI Logic "< 16 byte" bug might be hit */
2522 kprintf("sbp_execute_ocb: warning, "
2523 #if defined(__DragonFly__) || __FreeBSD_version < 500000
2524 "segment length(%d) is less than 16."
2526 "segment length(%zd) is less than 16."
2528 "(seg=%d/%d)\n", s
->ds_len
, i
+1, seg
);
2530 if (s
->ds_len
> SBP_SEG_MAX
)
2531 panic("ds_len > SBP_SEG_MAX, fix busdma code");
2532 ocb
->ind_ptr
[i
].hi
= htonl(s
->ds_len
<< 16);
2533 ocb
->ind_ptr
[i
].lo
= htonl(s
->ds_addr
);
2535 ocb
->orb
[4] |= htonl(ORB_CMD_PTBL
| seg
);
2539 bus_dmamap_sync(ocb
->sdev
->target
->sbp
->dmat
, ocb
->dmamap
,
2540 (ntohl(ocb
->orb
[4]) & ORB_CMD_IN
) ?
2541 BUS_DMASYNC_PREREAD
: BUS_DMASYNC_PREWRITE
);
2542 prev
= sbp_enqueue_ocb(ocb
->sdev
, ocb
);
2543 fwdma_sync(&ocb
->sdev
->dma
, BUS_DMASYNC_PREWRITE
);
2544 if (prev
== NULL
|| (ocb
->sdev
->flags
& ORB_LINK_DEAD
) != 0) {
2545 ocb
->sdev
->flags
&= ~ORB_LINK_DEAD
;
2546 sbp_orb_pointer(ocb
->sdev
, ocb
);
2551 sbp_poll(struct cam_sim
*sim
)
2553 struct sbp_softc
*sbp
;
2554 struct firewire_comm
*fc
;
2556 sbp
= (struct sbp_softc
*)sim
->softc
;
2559 fc
->poll(fc
, 0, -1);
2564 static struct sbp_ocb
*
2565 sbp_dequeue_ocb(struct sbp_dev
*sdev
, struct sbp_status
*sbp_status
)
2567 struct sbp_ocb
*ocb
;
2568 struct sbp_ocb
*next
;
2575 sbp_show_sdev_info(sdev
, 2);
2576 kprintf("%s: 0x%08x src %d\n",
2577 __func__
, ntohl(sbp_status
->orb_lo
), sbp_status
->src
);
2579 for (ocb
= STAILQ_FIRST(&sdev
->ocbs
); ocb
!= NULL
; ocb
= next
) {
2580 next
= STAILQ_NEXT(ocb
, ocb
);
2582 if (OCB_MATCH(ocb
, sbp_status
)) {
2584 STAILQ_REMOVE(&sdev
->ocbs
, ocb
, sbp_ocb
, ocb
);
2585 if (ocb
->ccb
!= NULL
)
2586 callout_stop(&ocb
->ccb
->ccb_h
.timeout_ch
);
2587 if (ntohl(ocb
->orb
[4]) & 0xffff) {
2588 bus_dmamap_sync(sdev
->target
->sbp
->dmat
,
2590 (ntohl(ocb
->orb
[4]) & ORB_CMD_IN
) ?
2591 BUS_DMASYNC_POSTREAD
:
2592 BUS_DMASYNC_POSTWRITE
);
2593 bus_dmamap_unload(sdev
->target
->sbp
->dmat
,
2596 if (sbp_status
->src
== SRC_NO_NEXT
) {
2598 sbp_orb_pointer(sdev
, next
);
2599 else if (order
> 0) {
2601 * Unordered execution
2602 * We need to send pointer for
2605 sdev
->flags
|= ORB_LINK_DEAD
;
2614 if (ocb
&& order
> 0) {
2615 sbp_show_sdev_info(sdev
, 2);
2616 kprintf("unordered execution order:%d\n", order
);
2622 static struct sbp_ocb
*
2623 sbp_enqueue_ocb(struct sbp_dev
*sdev
, struct sbp_ocb
*ocb
)
2625 struct sbp_ocb
*prev
;
2630 sbp_show_sdev_info(sdev
, 2);
2631 #if defined(__DragonFly__) || __FreeBSD_version < 500000
2632 kprintf("%s: 0x%08x\n", __func__
, ocb
->bus_addr
);
2634 kprintf("%s: 0x%08jx\n", __func__
, (uintmax_t)ocb
->bus_addr
);
2637 prev
= STAILQ_LAST(&sdev
->ocbs
, sbp_ocb
, ocb
);
2638 STAILQ_INSERT_TAIL(&sdev
->ocbs
, ocb
, ocb
);
2640 if (ocb
->ccb
!= NULL
)
2641 callout_reset(&ocb
->ccb
->ccb_h
.timeout_ch
,
2642 (ocb
->ccb
->ccb_h
.timeout
* hz
) / 1000, sbp_timeout
, ocb
);
2646 #if defined(__DragonFly__) || __FreeBSD_version < 500000
2647 kprintf("linking chain 0x%x -> 0x%x\n",
2648 prev
->bus_addr
, ocb
->bus_addr
);
2650 kprintf("linking chain 0x%jx -> 0x%jx\n",
2651 (uintmax_t)prev
->bus_addr
, (uintmax_t)ocb
->bus_addr
);
2654 prev
->orb
[1] = htonl(ocb
->bus_addr
);
2662 static struct sbp_ocb
*
2663 sbp_get_ocb(struct sbp_dev
*sdev
)
2665 struct sbp_ocb
*ocb
;
2668 ocb
= STAILQ_FIRST(&sdev
->free_ocbs
);
2670 kprintf("ocb shortage!!!\n");
2673 STAILQ_REMOVE_HEAD(&sdev
->free_ocbs
, ocb
);
2680 sbp_free_ocb(struct sbp_dev
*sdev
, struct sbp_ocb
*ocb
)
2684 STAILQ_INSERT_TAIL(&sdev
->free_ocbs
, ocb
, ocb
);
2688 sbp_abort_ocb(struct sbp_ocb
*ocb
, int status
)
2690 struct sbp_dev
*sdev
;
2694 sbp_show_sdev_info(sdev
, 2);
2695 #if defined(__DragonFly__) || __FreeBSD_version < 500000
2696 kprintf("sbp_abort_ocb 0x%x\n", ocb
->bus_addr
);
2698 kprintf("sbp_abort_ocb 0x%jx\n", (uintmax_t)ocb
->bus_addr
);
2702 if (ocb
->ccb
!= NULL
)
2703 sbp_print_scsi_cmd(ocb
);
2705 if (ntohl(ocb
->orb
[4]) & 0xffff) {
2706 bus_dmamap_sync(sdev
->target
->sbp
->dmat
, ocb
->dmamap
,
2707 (ntohl(ocb
->orb
[4]) & ORB_CMD_IN
) ?
2708 BUS_DMASYNC_POSTREAD
: BUS_DMASYNC_POSTWRITE
);
2709 bus_dmamap_unload(sdev
->target
->sbp
->dmat
, ocb
->dmamap
);
2711 if (ocb
->ccb
!= NULL
) {
2712 callout_stop(&ocb
->ccb
->ccb_h
.timeout_ch
);
2713 ocb
->ccb
->ccb_h
.status
= status
;
2716 sbp_free_ocb(sdev
, ocb
);
2720 sbp_abort_all_ocbs(struct sbp_dev
*sdev
, int status
)
2722 struct sbp_ocb
*ocb
, *next
;
2723 STAILQ_HEAD(, sbp_ocb
) temp
;
2726 bcopy(&sdev
->ocbs
, &temp
, sizeof(temp
));
2727 STAILQ_INIT(&sdev
->ocbs
);
2728 for (ocb
= STAILQ_FIRST(&temp
); ocb
!= NULL
; ocb
= next
) {
2729 next
= STAILQ_NEXT(ocb
, ocb
);
2730 sbp_abort_ocb(ocb
, status
);
2735 static devclass_t sbp_devclass
;
2738 * Because sbp is a static device that always exists under any attached
2739 * firewire device, and not scanned by the firewire device, we need an
2740 * identify function to install the device. For our sanity we want
2741 * the sbp device to have the same unit number as the fireweire device.
2744 static device_method_t sbp_methods
[] = {
2745 /* device interface */
2746 DEVMETHOD(device_identify
, bus_generic_identify_sameunit
),
2747 DEVMETHOD(device_probe
, sbp_probe
),
2748 DEVMETHOD(device_attach
, sbp_attach
),
2749 DEVMETHOD(device_detach
, sbp_detach
),
2750 DEVMETHOD(device_shutdown
, sbp_shutdown
),
2755 static driver_t sbp_driver
= {
2758 sizeof(struct sbp_softc
),
2761 DECLARE_DUMMY_MODULE(sbp
);
2762 DRIVER_MODULE(sbp
, firewire
, sbp_driver
, sbp_devclass
, 0, 0);
2763 MODULE_VERSION(sbp
, 1);
2764 MODULE_DEPEND(sbp
, firewire
, 1, 1, 1);
2765 MODULE_DEPEND(sbp
, cam
, 1, 1, 1);