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 1.86 2007/03/16 01:23:36 simokawa Exp $
38 #include <sys/param.h>
39 #include <sys/systm.h>
41 #include <sys/module.h>
43 #include <sys/kernel.h>
44 #include <sys/sysctl.h>
45 #include <sys/malloc.h>
46 #include <sys/thread2.h>
48 #include <bus/cam/cam.h>
49 #include <bus/cam/cam_ccb.h>
50 #include <bus/cam/cam_sim.h>
51 #include <bus/cam/cam_xpt_sim.h>
52 #include <bus/cam/cam_debug.h>
53 #include <bus/cam/cam_periph.h>
54 #include <bus/cam/scsi/scsi_all.h>
55 #include <bus/cam/cam_xpt_periph.h>
57 #include <bus/firewire/firewire.h>
58 #include <bus/firewire/firewirereg.h>
59 #include <bus/firewire/fwdma.h>
60 #include <bus/firewire/iec13213.h>
63 #define ccb_sdev_ptr spriv_ptr0
64 #define ccb_sbp_ptr spriv_ptr1
66 #define SBP_NUM_TARGETS 8 /* MAX 64 */
68 * Scan_bus doesn't work for more than 8 LUNs
69 * because of CAM_SCSI2_MAXLUN in cam_xpt.c
71 #define SBP_NUM_LUNS 64
72 #define SBP_MAXPHYS MIN(MAXPHYS, (512*1024) /* 512KB */)
73 #define SBP_DMA_SIZE PAGE_SIZE
74 #define SBP_LOGIN_SIZE sizeof(struct sbp_login_res)
75 #define SBP_QUEUE_LEN ((SBP_DMA_SIZE - SBP_LOGIN_SIZE) / sizeof(struct sbp_ocb))
76 #define SBP_NUM_OCB (SBP_QUEUE_LEN * SBP_NUM_TARGETS)
79 * STATUS FIFO addressing
81 * -----------------------
82 * 0- 1( 2): 0 (alingment)
86 * 32-47(16): SBP_BIND_HI
87 * 48-64(16): bus_id, node_id
89 #define SBP_BIND_HI 0x1
90 #define SBP_DEV2ADDR(t, l) \
91 (((u_int64_t)SBP_BIND_HI << 32) \
92 | (((l) & 0xff) << 8) \
93 | (((t) & 0x3f) << 2))
94 #define SBP_ADDR2TRG(a) (((a) >> 2) & 0x3f)
95 #define SBP_ADDR2LUN(a) (((a) >> 8) & 0xff)
96 #define SBP_INITIATOR 7
98 static char *orb_fun_name
[] = {
102 static int debug
= 0;
103 static int auto_login
= 1;
104 static int max_speed
= -1;
106 static int sbp_cold
= 1;
108 static int ex_login
= 1;
109 static int login_delay
= 1000; /* msec */
110 static int scan_delay
= 500; /* msec */
111 static int sbp_tags
= 0;
113 SYSCTL_DECL(_hw_firewire
);
114 SYSCTL_NODE(_hw_firewire
, OID_AUTO
, sbp
, CTLFLAG_RD
, 0, "SBP-II Subsystem");
115 SYSCTL_INT(_debug
, OID_AUTO
, sbp_debug
, CTLFLAG_RW
, &debug
, 0,
117 SYSCTL_INT(_hw_firewire_sbp
, OID_AUTO
, auto_login
, CTLFLAG_RW
, &auto_login
, 0,
118 "SBP perform login automatically");
119 SYSCTL_INT(_hw_firewire_sbp
, OID_AUTO
, max_speed
, CTLFLAG_RW
, &max_speed
, 0,
120 "SBP transfer max speed");
121 SYSCTL_INT(_hw_firewire_sbp
, OID_AUTO
, exclusive_login
, CTLFLAG_RW
,
122 &ex_login
, 0, "SBP transfer max speed");
123 SYSCTL_INT(_hw_firewire_sbp
, OID_AUTO
, login_delay
, CTLFLAG_RW
,
124 &login_delay
, 0, "SBP login delay in msec");
125 SYSCTL_INT(_hw_firewire_sbp
, OID_AUTO
, scan_delay
, CTLFLAG_RW
,
126 &scan_delay
, 0, "SBP scan delay in msec");
127 SYSCTL_INT(_hw_firewire_sbp
, OID_AUTO
, tags
, CTLFLAG_RW
, &sbp_tags
, 0,
128 "SBP tagged queuing support");
130 TUNABLE_INT("hw.firewire.sbp.auto_login", &auto_login
);
131 TUNABLE_INT("hw.firewire.sbp.max_speed", &max_speed
);
132 TUNABLE_INT("hw.firewire.sbp.exclusive_login", &ex_login
);
133 TUNABLE_INT("hw.firewire.sbp.login_delay", &login_delay
);
134 TUNABLE_INT("hw.firewire.sbp.scan_delay", &scan_delay
);
135 TUNABLE_INT("hw.firewire.sbp.tags", &sbp_tags
);
137 #define NEED_RESPONSE 0
139 #define SBP_SEG_MAX rounddown(0xffff, PAGE_SIZE)
140 #define SBP_IND_MAX howmany(SBP_MAXPHYS, PAGE_SIZE)
143 STAILQ_ENTRY(sbp_ocb
) ocb
;
147 #define IND_PTR_OFFSET (8*sizeof(u_int32_t))
148 struct ind_ptr ind_ptr
[SBP_IND_MAX
];
149 struct sbp_dev
*sdev
;
150 int flags
; /* XXX should be removed */
154 #define OCB_ACT_MGM 0
155 #define OCB_ACT_CMD 1
156 #define OCB_MATCH(o,s) ((o)->bus_addr == ntohl((s)->orb_lo))
159 #define SBP_DEV_RESET 0 /* accept login */
160 #define SBP_DEV_LOGIN 1 /* to login */
162 #define SBP_DEV_RECONN 2 /* to reconnect */
164 #define SBP_DEV_TOATTACH 3 /* to attach */
165 #define SBP_DEV_PROBE 4 /* scan lun */
166 #define SBP_DEV_ATTACHED 5 /* in operation */
167 #define SBP_DEV_DEAD 6 /* unavailable unit */
168 #define SBP_DEV_RETRY 7 /* unavailable unit */
174 #define ORB_LINK_DEAD (1 << 0)
175 #define VALID_LUN (1 << 1)
176 #define ORB_POINTER_ACTIVE (1 << 2)
177 #define ORB_POINTER_NEED (1 << 3)
179 struct cam_path
*path
;
180 struct sbp_target
*target
;
181 struct fwdma_alloc dma
;
182 struct sbp_login_res
*login
;
183 struct callout login_callout
;
185 STAILQ_HEAD(, sbp_ocb
) ocbs
;
186 STAILQ_HEAD(, sbp_ocb
) free_ocbs
;
195 struct sbp_dev
**luns
;
196 struct sbp_softc
*sbp
;
197 struct fw_device
*fwdev
;
198 u_int32_t mgm_hi
, mgm_lo
;
199 struct sbp_ocb
*mgm_ocb_cur
;
200 STAILQ_HEAD(, sbp_ocb
) mgm_ocb_queue
;
201 struct callout mgm_ocb_timeout
;
202 struct callout scan_callout
;
203 STAILQ_HEAD(, fw_xfer
) xferlist
;
208 struct firewire_dev_comm fd
;
210 struct cam_path
*path
;
211 struct sbp_target targets
[SBP_NUM_TARGETS
];
214 struct timeval last_busreset
;
215 #define SIMQ_FREEZED 1
219 static void sbp_post_explore (void *);
220 static void sbp_recv (struct fw_xfer
*);
221 static void sbp_mgm_callback (struct fw_xfer
*);
223 static void sbp_cmd_callback (struct fw_xfer
*);
225 static void sbp_orb_pointer (struct sbp_dev
*, struct sbp_ocb
*);
226 static void sbp_execute_ocb (void *, bus_dma_segment_t
*, int, int);
227 static void sbp_free_ocb (struct sbp_dev
*, struct sbp_ocb
*);
228 static void sbp_abort_ocb (struct sbp_ocb
*, int);
229 static void sbp_abort_all_ocbs (struct sbp_dev
*, int);
230 static struct fw_xfer
* sbp_write_cmd (struct sbp_dev
*, int, int);
231 static struct sbp_ocb
* sbp_get_ocb (struct sbp_dev
*);
232 static struct sbp_ocb
* sbp_enqueue_ocb (struct sbp_dev
*, struct sbp_ocb
*);
233 static struct sbp_ocb
* sbp_dequeue_ocb (struct sbp_dev
*, struct sbp_status
*);
234 static void sbp_cam_detach_sdev(struct sbp_dev
*);
235 static void sbp_free_sdev(struct sbp_dev
*);
236 static void sbp_cam_detach_target (struct sbp_target
*);
237 static void sbp_free_target (struct sbp_target
*);
238 static void sbp_mgm_timeout (void *arg
);
239 static void sbp_timeout (void *arg
);
240 static void sbp_mgm_orb (struct sbp_dev
*, int, struct sbp_ocb
*);
242 MALLOC_DEFINE(M_SBP
, "sbp", "SBP-II/FireWire");
244 /* cam related functions */
245 static void sbp_action(struct cam_sim
*sim
, union ccb
*ccb
);
246 static void sbp_poll(struct cam_sim
*sim
);
247 static void sbp_cam_scan_lun(struct cam_periph
*, union ccb
*);
248 static void sbp_cam_scan_target(void *arg
);
250 static char *orb_status0
[] = {
251 /* 0 */ "No additional information to report",
252 /* 1 */ "Request type not supported",
253 /* 2 */ "Speed not supported",
254 /* 3 */ "Page size not supported",
255 /* 4 */ "Access denied",
256 /* 5 */ "Logical unit not supported",
257 /* 6 */ "Maximum payload too small",
258 /* 7 */ "Reserved for future standardization",
259 /* 8 */ "Resources unavailable",
260 /* 9 */ "Function rejected",
261 /* A */ "Login ID not recognized",
262 /* B */ "Dummy ORB completed",
263 /* C */ "Request aborted",
264 /* FF */ "Unspecified error"
265 #define MAX_ORB_STATUS0 0xd
268 static char *orb_status1_object
[] = {
269 /* 0 */ "Operation request block (ORB)",
270 /* 1 */ "Data buffer",
271 /* 2 */ "Page table",
272 /* 3 */ "Unable to specify"
275 static char *orb_status1_serial_bus_error
[] = {
276 /* 0 */ "Missing acknowledge",
277 /* 1 */ "Reserved; not to be used",
278 /* 2 */ "Time-out error",
279 /* 3 */ "Reserved; not to be used",
280 /* 4 */ "Busy retry limit exceeded(X)",
281 /* 5 */ "Busy retry limit exceeded(A)",
282 /* 6 */ "Busy retry limit exceeded(B)",
283 /* 7 */ "Reserved for future standardization",
284 /* 8 */ "Reserved for future standardization",
285 /* 9 */ "Reserved for future standardization",
286 /* A */ "Reserved for future standardization",
287 /* B */ "Tardy retry limit exceeded",
288 /* C */ "Conflict error",
289 /* D */ "Data error",
290 /* E */ "Type error",
291 /* F */ "Address error"
298 sbp_probe(device_t dev
)
303 kprintf("sbp_probe\n");
306 pa
= device_get_parent(dev
);
307 if(device_get_unit(dev
) != device_get_unit(pa
)){
311 device_set_desc(dev
, "SBP-2/SCSI over FireWire");
319 sbp_show_sdev_info(struct sbp_dev
*sdev
, int new)
321 struct fw_device
*fwdev
;
324 device_get_nameunit(sdev
->target
->sbp
->fd
.dev
),
325 sdev
->target
->target_id
,
331 fwdev
= sdev
->target
->fwdev
;
332 kprintf("ordered:%d type:%d EUI:%08x%08x node:%d "
333 "speed:%d maxrec:%d",
334 (sdev
->type
& 0x40) >> 6,
346 sbp_show_sdev_info(sdev
, 2);
347 kprintf("'%s' '%s' '%s'\n", sdev
->vendor
, sdev
->product
, sdev
->revision
);
355 /* Bus Target EUI64 */
357 {0, 2, {0x00018ea0, 0x01fd0154}}, /* Logitec HDD */
358 {0, 0, {0x00018ea6, 0x00100682}}, /* Logitec DVD */
359 {0, 1, {0x00d03200, 0xa412006a}}, /* Yano HDD */
365 sbp_new_target(struct sbp_softc
*sbp
, struct fw_device
*fwdev
)
367 int bus
, i
, target
=-1;
368 char w
[SBP_NUM_TARGETS
];
371 bus
= device_get_unit(sbp
->fd
.dev
);
373 /* XXX wired-down configuration should be gotten from
374 tunable or device hint */
375 for (i
= 0; wired
[i
].bus
>= 0; i
++) {
376 if (wired
[i
].bus
== bus
) {
377 w
[wired
[i
].target
] = 1;
378 if (wired
[i
].eui
.hi
== fwdev
->eui
.hi
&&
379 wired
[i
].eui
.lo
== fwdev
->eui
.lo
)
380 target
= wired
[i
].target
;
384 if(target
< SBP_NUM_TARGETS
&&
385 sbp
->targets
[target
].fwdev
== NULL
)
387 device_printf(sbp
->fd
.dev
,
388 "target %d is not free for %08x:%08x\n",
389 target
, fwdev
->eui
.hi
, fwdev
->eui
.lo
);
392 /* non-wired target */
393 for (i
= 0; i
< SBP_NUM_TARGETS
; i
++)
394 if (sbp
->targets
[i
].fwdev
== NULL
&& w
[i
] == 0) {
403 sbp_alloc_lun(struct sbp_target
*target
)
405 struct crom_context cc
;
407 struct sbp_dev
*sdev
, **newluns
;
408 struct sbp_softc
*sbp
;
412 crom_init_context(&cc
, target
->fwdev
->csrrom
);
413 /* XXX shoud parse appropriate unit directories only */
415 while (cc
.depth
>= 0) {
416 reg
= crom_search_key(&cc
, CROM_LUN
);
419 lun
= reg
->val
& 0xffff;
421 kprintf("target %d lun %d found\n", target
->target_id
, lun
);
428 kprintf("%s:%d no LUN found\n",
429 device_get_nameunit(target
->sbp
->fd
.dev
),
433 if (maxlun
>= SBP_NUM_LUNS
)
434 maxlun
= SBP_NUM_LUNS
;
436 /* Invalidiate stale devices */
437 for (lun
= 0; lun
< target
->num_lun
; lun
++) {
438 sdev
= target
->luns
[lun
];
441 sdev
->flags
&= ~VALID_LUN
;
444 sbp_cam_detach_sdev(sdev
);
450 if (maxlun
!= target
->num_lun
) {
452 * note: krealloc() does not support M_ZERO. We must zero
453 * the extended region manually.
455 newluns
= krealloc(target
->luns
,
456 sizeof(struct sbp_dev
*) * maxlun
,
459 if (maxlun
> target
->num_lun
) {
460 bzero(&newluns
[target
->num_lun
],
461 sizeof(struct sbp_dev
*) *
462 (maxlun
- target
->num_lun
));
464 target
->luns
= newluns
;
465 target
->num_lun
= maxlun
;
468 crom_init_context(&cc
, target
->fwdev
->csrrom
);
469 while (cc
.depth
>= 0) {
472 reg
= crom_search_key(&cc
, CROM_LUN
);
475 lun
= reg
->val
& 0xffff;
476 if (lun
>= SBP_NUM_LUNS
) {
477 kprintf("too large lun %d\n", lun
);
481 sdev
= target
->luns
[lun
];
483 sdev
= kmalloc(sizeof(struct sbp_dev
),
484 M_SBP
, M_WAITOK
| M_ZERO
);
485 target
->luns
[lun
] = sdev
;
487 sdev
->target
= target
;
488 STAILQ_INIT(&sdev
->ocbs
);
489 CALLOUT_INIT(&sdev
->login_callout
);
490 sdev
->status
= SBP_DEV_RESET
;
493 sdev
->flags
|= VALID_LUN
;
494 sdev
->type
= (reg
->val
& 0xff0000) >> 16;
499 fwdma_malloc(sbp
->fd
.fc
,
500 /* alignment */ sizeof(u_int32_t
),
501 SBP_DMA_SIZE
, &sdev
->dma
, BUS_DMA_NOWAIT
);
502 if (sdev
->dma
.v_addr
== NULL
) {
503 kprintf("%s: dma space allocation failed\n",
506 target
->luns
[lun
] = NULL
;
509 sdev
->login
= (struct sbp_login_res
*) sdev
->dma
.v_addr
;
510 sdev
->ocb
= (struct sbp_ocb
*)
511 ((char *)sdev
->dma
.v_addr
+ SBP_LOGIN_SIZE
);
512 bzero((char *)sdev
->ocb
,
513 sizeof (struct sbp_ocb
) * SBP_QUEUE_LEN
);
515 STAILQ_INIT(&sdev
->free_ocbs
);
516 for (i
= 0; i
< SBP_QUEUE_LEN
; i
++) {
519 ocb
->bus_addr
= sdev
->dma
.bus_addr
521 + sizeof(struct sbp_ocb
) * i
522 + offsetof(struct sbp_ocb
, orb
[0]);
523 if (bus_dmamap_create(sbp
->dmat
, 0, &ocb
->dmamap
)) {
524 kprintf("sbp_attach: cannot create dmamap\n");
528 sbp_free_ocb(sdev
, ocb
);
534 for (lun
= 0; lun
< target
->num_lun
; lun
++) {
535 sdev
= target
->luns
[lun
];
536 if (sdev
!= NULL
&& (sdev
->flags
& VALID_LUN
) == 0) {
537 sbp_cam_detach_sdev(sdev
);
539 target
->luns
[lun
] = NULL
;
544 static struct sbp_target
*
545 sbp_alloc_target(struct sbp_softc
*sbp
, struct fw_device
*fwdev
)
548 struct sbp_target
*target
;
549 struct crom_context cc
;
553 kprintf("sbp_alloc_target\n");
555 i
= sbp_new_target(sbp
, fwdev
);
557 device_printf(sbp
->fd
.dev
, "increase SBP_NUM_TARGETS!\n");
561 target
= &sbp
->targets
[i
];
563 target
->fwdev
= fwdev
;
564 target
->target_id
= i
;
565 /* XXX we may want to reload mgm port after each bus reset */
566 /* XXX there might be multiple management agents */
567 crom_init_context(&cc
, target
->fwdev
->csrrom
);
568 reg
= crom_search_key(&cc
, CROM_MGM
);
569 if (reg
== NULL
|| reg
->val
== 0) {
570 kprintf("NULL management address\n");
571 target
->fwdev
= NULL
;
574 target
->mgm_hi
= 0xffff;
575 target
->mgm_lo
= 0xf0000000 | (reg
->val
<< 2);
576 target
->mgm_ocb_cur
= NULL
;
578 kprintf("target:%d mgm_port: %x\n", i
, target
->mgm_lo
);
580 STAILQ_INIT(&target
->xferlist
);
582 STAILQ_INIT(&target
->mgm_ocb_queue
);
583 CALLOUT_INIT(&target
->mgm_ocb_timeout
);
584 CALLOUT_INIT(&target
->scan_callout
);
592 sbp_probe_lun(struct sbp_dev
*sdev
)
594 struct fw_device
*fwdev
;
595 struct crom_context c
, *cc
= &c
;
598 bzero(sdev
->vendor
, sizeof(sdev
->vendor
));
599 bzero(sdev
->product
, sizeof(sdev
->product
));
601 fwdev
= sdev
->target
->fwdev
;
602 crom_init_context(cc
, fwdev
->csrrom
);
603 /* get vendor string */
604 crom_search_key(cc
, CSRKEY_VENDOR
);
606 crom_parse_text(cc
, sdev
->vendor
, sizeof(sdev
->vendor
));
607 /* skip to the unit directory for SBP-2 */
608 while ((reg
= crom_search_key(cc
, CSRKEY_VER
)) != NULL
) {
609 if (reg
->val
== CSRVAL_T10SBP2
)
613 /* get firmware revision */
614 reg
= crom_search_key(cc
, CSRKEY_FIRM_VER
);
616 ksnprintf(sdev
->revision
, sizeof(sdev
->revision
),
618 /* get product string */
619 crom_search_key(cc
, CSRKEY_MODEL
);
621 crom_parse_text(cc
, sdev
->product
, sizeof(sdev
->product
));
625 sbp_login_callout(void *arg
)
627 struct sbp_dev
*sdev
= (struct sbp_dev
*)arg
;
628 sbp_mgm_orb(sdev
, ORB_FUN_LGI
, NULL
);
632 sbp_login(struct sbp_dev
*sdev
)
634 struct timeval delta
;
639 timevalsub(&delta
, &sdev
->target
->sbp
->last_busreset
);
640 t
.tv_sec
= login_delay
/ 1000;
641 t
.tv_usec
= (login_delay
% 1000) * 1000;
642 timevalsub(&t
, &delta
);
643 if (t
.tv_sec
>= 0 && t
.tv_usec
> 0)
644 ticks
= (t
.tv_sec
* 1000 + t
.tv_usec
/ 1000) * hz
/ 1000;
646 kprintf("%s: sec = %ld usec = %ld ticks = %d\n", __func__
,
647 t
.tv_sec
, t
.tv_usec
, ticks
);
649 callout_reset(&sdev
->login_callout
, ticks
,
650 sbp_login_callout
, (void *)(sdev
));
653 #define SBP_FWDEV_ALIVE(fwdev) (((fwdev)->status == FWDEVATTACHED) \
654 && crom_has_specver((fwdev)->csrrom, CSRVAL_ANSIT10, CSRVAL_T10SBP2))
657 sbp_probe_target(void *arg
)
659 struct sbp_target
*target
= (struct sbp_target
*)arg
;
660 struct sbp_dev
*sdev
;
663 alive
= SBP_FWDEV_ALIVE(target
->fwdev
);
665 kprintf("sbp_probe_target %d\n", target
->target_id
);
667 kprintf("not alive\n");
670 sbp_alloc_lun(target
);
672 /* XXX callout_stop mgm_ocb and dequeue */
673 for (i
=0; i
< target
->num_lun
; i
++) {
674 sdev
= target
->luns
[i
];
677 if (alive
&& (sdev
->status
!= SBP_DEV_DEAD
)) {
678 if (sdev
->path
!= NULL
) {
679 xpt_freeze_devq(sdev
->path
, 1);
684 sbp_show_sdev_info(sdev
,
685 (sdev
->status
== SBP_DEV_RESET
));
688 sbp_abort_all_ocbs(sdev
, CAM_SCSI_BUS_RESET
);
689 switch (sdev
->status
) {
691 /* new or revived target */
695 case SBP_DEV_TOATTACH
:
697 case SBP_DEV_ATTACHED
:
700 sbp_mgm_orb(sdev
, ORB_FUN_RCN
, NULL
);
704 switch (sdev
->status
) {
705 case SBP_DEV_ATTACHED
:
707 /* the device has gone */
708 sbp_show_sdev_info(sdev
, 2);
709 kprintf("lost target\n");
713 xpt_freeze_devq(sdev
->path
, 1);
716 sdev
->status
= SBP_DEV_RETRY
;
717 sbp_abort_all_ocbs(sdev
, CAM_SCSI_BUS_RESET
);
719 sbp_cam_detach_target(sdev
->target
);
720 sdev
->status
= SBP_DEV_RESET
;
723 case SBP_DEV_TOATTACH
:
724 sdev
->status
= SBP_DEV_RESET
;
736 sbp_post_busreset(void *arg
)
738 struct sbp_softc
*sbp
;
740 sbp
= (struct sbp_softc
*)arg
;
742 kprintf("sbp_post_busreset\n");
744 if ((sbp
->sim
->flags
& SIMQ_FREEZED
) == 0) {
745 xpt_freeze_simq(sbp
->sim
, /*count*/1);
746 sbp
->sim
->flags
|= SIMQ_FREEZED
;
748 microtime(&sbp
->last_busreset
);
752 sbp_post_explore(void *arg
)
754 struct sbp_softc
*sbp
= (struct sbp_softc
*)arg
;
755 struct sbp_target
*target
;
756 struct fw_device
*fwdev
;
760 kprintf("sbp_post_explore\n");
769 * XXX don't let CAM the bus rest.
770 * CAM tries to do something with freezed (DEV_RETRY) devices.
772 xpt_async(AC_BUS_RESET
, sbp
->path
, /*arg*/ NULL
);
775 /* Gabage Collection */
776 for(i
= 0 ; i
< SBP_NUM_TARGETS
; i
++){
777 target
= &sbp
->targets
[i
];
778 STAILQ_FOREACH(fwdev
, &sbp
->fd
.fc
->devices
, link
)
779 if (target
->fwdev
== NULL
|| target
->fwdev
== fwdev
)
782 /* device has removed in lower driver */
783 sbp_cam_detach_target(target
);
784 sbp_free_target(target
);
787 /* traverse device list */
788 STAILQ_FOREACH(fwdev
, &sbp
->fd
.fc
->devices
, link
) {
790 kprintf("sbp_post_explore: EUI:%08x%08x ",
791 fwdev
->eui
.hi
, fwdev
->eui
.lo
);
792 if (fwdev
->status
!= FWDEVATTACHED
)
793 kprintf("not attached, state=%d.\n", fwdev
->status
);
795 kprintf("attached\n");
797 alive
= SBP_FWDEV_ALIVE(fwdev
);
798 for(i
= 0 ; i
< SBP_NUM_TARGETS
; i
++){
799 target
= &sbp
->targets
[i
];
800 if(target
->fwdev
== fwdev
) {
805 if(i
== SBP_NUM_TARGETS
){
808 target
= sbp_alloc_target(sbp
, fwdev
);
815 sbp_probe_target((void *)target
);
816 if (target
->num_lun
== 0)
817 sbp_free_target(target
);
819 xpt_release_simq(sbp
->sim
, /*run queue*/TRUE
);
820 sbp
->sim
->flags
&= ~SIMQ_FREEZED
;
825 sbp_loginres_callback(struct fw_xfer
*xfer
){
826 struct sbp_dev
*sdev
;
827 sdev
= (struct sbp_dev
*)xfer
->sc
;
829 sbp_show_sdev_info(sdev
, 2);
830 kprintf("sbp_loginres_callback\n");
834 STAILQ_INSERT_TAIL(&sdev
->target
->sbp
->fwb
.xferlist
, xfer
, link
);
841 sbp_xfer_free(struct fw_xfer
*xfer
)
843 struct sbp_dev
*sdev
;
845 sdev
= (struct sbp_dev
*)xfer
->sc
;
846 fw_xfer_unload(xfer
);
848 STAILQ_INSERT_TAIL(&sdev
->target
->xferlist
, xfer
, link
);
853 sbp_reset_start_callback(struct fw_xfer
*xfer
)
855 struct sbp_dev
*tsdev
, *sdev
= (struct sbp_dev
*)xfer
->sc
;
856 struct sbp_target
*target
= sdev
->target
;
859 if (xfer
->resp
!= 0) {
860 sbp_show_sdev_info(sdev
, 2);
861 kprintf("sbp_reset_start failed: resp=%d\n", xfer
->resp
);
864 for (i
= 0; i
< target
->num_lun
; i
++) {
865 tsdev
= target
->luns
[i
];
866 if (tsdev
!= NULL
&& tsdev
->status
== SBP_DEV_LOGIN
)
872 sbp_reset_start(struct sbp_dev
*sdev
)
874 struct fw_xfer
*xfer
;
878 sbp_show_sdev_info(sdev
, 2);
879 kprintf("sbp_reset_start\n");
882 xfer
= sbp_write_cmd(sdev
, FWTCODE_WREQQ
, 0);
883 xfer
->act
.hand
= sbp_reset_start_callback
;
884 fp
= &xfer
->send
.hdr
;
885 fp
->mode
.wreqq
.dest_hi
= 0xffff;
886 fp
->mode
.wreqq
.dest_lo
= 0xf0000000 | RESET_START
;
887 fp
->mode
.wreqq
.data
= htonl(0xf);
888 fw_asyreq(xfer
->fc
, -1, xfer
);
892 sbp_mgm_callback(struct fw_xfer
*xfer
)
894 struct sbp_dev
*sdev
;
899 sdev
= (struct sbp_dev
*)xfer
->sc
;
902 sbp_show_sdev_info(sdev
, 2);
903 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);
953 xpt_free_ccb(&ccb
->ccb_h
);
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
= xpt_alloc_ccb();
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
;
1009 sdev
= (struct sbp_dev
*)xfer
->sc
;
1010 target
= sdev
->target
;
1012 sbp_show_sdev_info(sdev
, 2);
1013 kprintf("sbp_do_attach\n");
1015 sbp_xfer_free(xfer
);
1017 if (sdev
->path
== NULL
)
1018 xpt_create_path(&sdev
->path
, xpt_periph
,
1019 cam_sim_path(target
->sbp
->sim
),
1020 target
->target_id
, sdev
->lun_id
);
1024 * Let CAM scan the bus if we are in the boot process.
1025 * XXX xpt_scan_bus cannot detect LUN larger than 0
1026 * if LUN 0 doesn't exists.
1029 sdev
->status
= SBP_DEV_ATTACHED
;
1039 sbp_agent_reset_callback(struct fw_xfer
*xfer
)
1041 struct sbp_dev
*sdev
;
1043 sdev
= (struct sbp_dev
*)xfer
->sc
;
1045 sbp_show_sdev_info(sdev
, 2);
1046 kprintf("%s\n", __func__
);
1048 if (xfer
->resp
!= 0) {
1049 sbp_show_sdev_info(sdev
, 2);
1050 kprintf("%s: resp=%d\n", __func__
, xfer
->resp
);
1053 sbp_xfer_free(xfer
);
1055 xpt_release_devq(sdev
->path
, sdev
->freeze
, TRUE
);
1061 sbp_agent_reset(struct sbp_dev
*sdev
)
1063 struct fw_xfer
*xfer
;
1067 sbp_show_sdev_info(sdev
, 2);
1068 kprintf("sbp_agent_reset\n");
1070 xfer
= sbp_write_cmd(sdev
, FWTCODE_WREQQ
, 0x04);
1073 if (sdev
->status
== SBP_DEV_ATTACHED
|| sdev
->status
== SBP_DEV_PROBE
)
1074 xfer
->act
.hand
= sbp_agent_reset_callback
;
1076 xfer
->act
.hand
= sbp_do_attach
;
1077 fp
= &xfer
->send
.hdr
;
1078 fp
->mode
.wreqq
.data
= htonl(0xf);
1079 fw_asyreq(xfer
->fc
, -1, xfer
);
1080 sbp_abort_all_ocbs(sdev
, CAM_BDR_SENT
);
1084 sbp_busy_timeout_callback(struct fw_xfer
*xfer
)
1086 struct sbp_dev
*sdev
;
1088 sdev
= (struct sbp_dev
*)xfer
->sc
;
1090 sbp_show_sdev_info(sdev
, 2);
1091 kprintf("sbp_busy_timeout_callback\n");
1093 sbp_xfer_free(xfer
);
1094 sbp_agent_reset(sdev
);
1098 sbp_busy_timeout(struct sbp_dev
*sdev
)
1101 struct fw_xfer
*xfer
;
1103 sbp_show_sdev_info(sdev
, 2);
1104 kprintf("sbp_busy_timeout\n");
1106 xfer
= sbp_write_cmd(sdev
, FWTCODE_WREQQ
, 0);
1108 xfer
->act
.hand
= sbp_busy_timeout_callback
;
1109 fp
= &xfer
->send
.hdr
;
1110 fp
->mode
.wreqq
.dest_hi
= 0xffff;
1111 fp
->mode
.wreqq
.dest_lo
= 0xf0000000 | BUSY_TIMEOUT
;
1112 fp
->mode
.wreqq
.data
= htonl((1 << (13+12)) | 0xf);
1113 fw_asyreq(xfer
->fc
, -1, xfer
);
1117 sbp_orb_pointer_callback(struct fw_xfer
*xfer
)
1119 struct sbp_dev
*sdev
;
1120 sdev
= (struct sbp_dev
*)xfer
->sc
;
1123 sbp_show_sdev_info(sdev
, 2);
1124 kprintf("%s\n", __func__
);
1126 if (xfer
->resp
!= 0) {
1128 kprintf("%s: xfer->resp = %d\n", __func__
, xfer
->resp
);
1130 sbp_xfer_free(xfer
);
1131 sdev
->flags
&= ~ORB_POINTER_ACTIVE
;
1133 if ((sdev
->flags
& ORB_POINTER_NEED
) != 0) {
1134 struct sbp_ocb
*ocb
;
1136 sdev
->flags
&= ~ORB_POINTER_NEED
;
1137 ocb
= STAILQ_FIRST(&sdev
->ocbs
);
1139 sbp_orb_pointer(sdev
, ocb
);
1145 sbp_orb_pointer(struct sbp_dev
*sdev
, struct sbp_ocb
*ocb
)
1147 struct fw_xfer
*xfer
;
1150 sbp_show_sdev_info(sdev
, 2);
1151 kprintf("%s: 0x%08x\n", __func__
, (u_int32_t
)ocb
->bus_addr
);
1154 if ((sdev
->flags
& ORB_POINTER_ACTIVE
) != 0) {
1156 kprintf("%s: orb pointer active\n", __func__
);
1158 sdev
->flags
|= ORB_POINTER_NEED
;
1162 sdev
->flags
|= ORB_POINTER_ACTIVE
;
1163 xfer
= sbp_write_cmd(sdev
, FWTCODE_WREQB
, 0x08);
1166 xfer
->act
.hand
= sbp_orb_pointer_callback
;
1168 fp
= &xfer
->send
.hdr
;
1169 fp
->mode
.wreqb
.len
= 8;
1170 fp
->mode
.wreqb
.extcode
= 0;
1171 xfer
->send
.payload
[0] =
1172 htonl(((sdev
->target
->sbp
->fd
.fc
->nodeid
| FWLOCALBUS
)<< 16));
1173 xfer
->send
.payload
[1] = htonl((u_int32_t
)ocb
->bus_addr
);
1175 if(fw_asyreq(xfer
->fc
, -1, xfer
) != 0){
1176 sbp_xfer_free(xfer
);
1177 ocb
->ccb
->ccb_h
.status
= CAM_REQ_INVALID
;
1184 sbp_cmd_callback(struct fw_xfer
*xfer
)
1187 struct sbp_dev
*sdev
;
1188 sdev
= (struct sbp_dev
*)xfer
->sc
;
1189 sbp_show_sdev_info(sdev
, 2);
1190 kprintf("sbp_cmd_callback\n");
1192 if (xfer
->resp
!= 0) {
1194 kprintf("%s: xfer->resp = %d\n", __func__
, xfer
->resp
);
1196 sbp_xfer_free(xfer
);
1201 sbp_doorbell(struct sbp_dev
*sdev
)
1203 struct fw_xfer
*xfer
;
1206 sbp_show_sdev_info(sdev
, 2);
1207 kprintf("sbp_doorbell\n");
1210 xfer
= sbp_write_cmd(sdev
, FWTCODE_WREQQ
, 0x10);
1213 xfer
->act
.hand
= sbp_cmd_callback
;
1214 fp
= (struct fw_pkt
*)xfer
->send
.buf
;
1215 fp
->mode
.wreqq
.data
= htonl(0xf);
1216 fw_asyreq(xfer
->fc
, -1, xfer
);
1220 static struct fw_xfer
*
1221 sbp_write_cmd(struct sbp_dev
*sdev
, int tcode
, int offset
)
1223 struct fw_xfer
*xfer
;
1225 struct sbp_target
*target
;
1228 target
= sdev
->target
;
1230 xfer
= STAILQ_FIRST(&target
->xferlist
);
1232 if (target
->n_xfer
> 5 /* XXX */) {
1233 kprintf("sbp: no more xfer for this target\n");
1237 xfer
= fw_xfer_alloc_buf(M_SBP
, 8, 0);
1239 kprintf("sbp: fw_xfer_alloc_buf failed\n");
1245 kprintf("sbp: alloc %d xfer\n", target
->n_xfer
);
1248 STAILQ_REMOVE_HEAD(&target
->xferlist
, link
);
1252 microtime(&xfer
->tv
);
1255 xfer
->recv
.pay_len
= 0;
1256 xfer
->send
.spd
= min(sdev
->target
->fwdev
->speed
, max_speed
);
1257 xfer
->fc
= sdev
->target
->sbp
->fd
.fc
;
1258 xfer
->retry_req
= fw_asybusy
;
1261 if (tcode
== FWTCODE_WREQB
)
1262 xfer
->send
.pay_len
= 8;
1264 xfer
->send
.pay_len
= 0;
1266 xfer
->sc
= (caddr_t
)sdev
;
1267 fp
= &xfer
->send
.hdr
;
1268 fp
->mode
.wreqq
.dest_hi
= sdev
->login
->cmd_hi
;
1269 fp
->mode
.wreqq
.dest_lo
= sdev
->login
->cmd_lo
+ offset
;
1270 fp
->mode
.wreqq
.tlrt
= 0;
1271 fp
->mode
.wreqq
.tcode
= tcode
;
1272 fp
->mode
.wreqq
.pri
= 0;
1273 fp
->mode
.wreqq
.dst
= FWLOCALBUS
| sdev
->target
->fwdev
->dst
;
1280 sbp_mgm_orb(struct sbp_dev
*sdev
, int func
, struct sbp_ocb
*aocb
)
1282 struct fw_xfer
*xfer
;
1284 struct sbp_ocb
*ocb
;
1285 struct sbp_target
*target
;
1288 target
= sdev
->target
;
1289 nid
= target
->sbp
->fd
.fc
->nodeid
| FWLOCALBUS
;
1292 if (func
== ORB_FUN_RUNQUEUE
) {
1293 ocb
= STAILQ_FIRST(&target
->mgm_ocb_queue
);
1294 if (target
->mgm_ocb_cur
!= NULL
|| ocb
== NULL
) {
1298 STAILQ_REMOVE_HEAD(&target
->mgm_ocb_queue
, ocb
);
1301 if ((ocb
= sbp_get_ocb(sdev
)) == NULL
) {
1306 ocb
->flags
= OCB_ACT_MGM
;
1309 bzero((void *)ocb
->orb
, sizeof(ocb
->orb
));
1310 ocb
->orb
[6] = htonl((nid
<< 16) | SBP_BIND_HI
);
1311 ocb
->orb
[7] = htonl(SBP_DEV2ADDR(target
->target_id
, sdev
->lun_id
));
1314 sbp_show_sdev_info(sdev
, 2);
1315 kprintf("%s\n", orb_fun_name
[(func
>>16)&0xf]);
1319 ocb
->orb
[0] = ocb
->orb
[1] = 0; /* password */
1320 ocb
->orb
[2] = htonl(nid
<< 16);
1321 ocb
->orb
[3] = htonl(sdev
->dma
.bus_addr
);
1322 ocb
->orb
[4] = htonl(ORB_NOTIFY
| sdev
->lun_id
);
1324 ocb
->orb
[4] |= htonl(ORB_EXV
);
1325 ocb
->orb
[5] = htonl(SBP_LOGIN_SIZE
);
1326 fwdma_sync(&sdev
->dma
, BUS_DMASYNC_PREREAD
);
1329 ocb
->orb
[0] = htonl((0 << 16) | 0);
1330 ocb
->orb
[1] = htonl(aocb
->bus_addr
& 0xffffffff);
1337 ocb
->orb
[4] = htonl(ORB_NOTIFY
| func
| sdev
->login
->id
);
1341 if (target
->mgm_ocb_cur
!= NULL
) {
1342 /* there is a standing ORB */
1343 STAILQ_INSERT_TAIL(&sdev
->target
->mgm_ocb_queue
, ocb
, ocb
);
1348 target
->mgm_ocb_cur
= ocb
;
1351 callout_reset(&target
->mgm_ocb_timeout
, 5*hz
,
1352 sbp_mgm_timeout
, (caddr_t
)ocb
);
1353 xfer
= sbp_write_cmd(sdev
, FWTCODE_WREQB
, 0);
1357 xfer
->act
.hand
= sbp_mgm_callback
;
1359 fp
= &xfer
->send
.hdr
;
1360 fp
->mode
.wreqb
.dest_hi
= sdev
->target
->mgm_hi
;
1361 fp
->mode
.wreqb
.dest_lo
= sdev
->target
->mgm_lo
;
1362 fp
->mode
.wreqb
.len
= 8;
1363 fp
->mode
.wreqb
.extcode
= 0;
1364 xfer
->send
.payload
[0] = htonl(nid
<< 16);
1365 xfer
->send
.payload
[1] = htonl(ocb
->bus_addr
& 0xffffffff);
1367 sbp_show_sdev_info(sdev
, 2);
1368 kprintf("mgm orb: %08x\n", (u_int32_t
)ocb
->bus_addr
);
1371 fw_asyreq(xfer
->fc
, -1, xfer
);
1375 sbp_print_scsi_cmd(struct sbp_ocb
*ocb
)
1377 struct ccb_scsiio
*csio
;
1379 csio
= &ocb
->ccb
->csio
;
1380 kprintf("%s:%d:%d XPT_SCSI_IO: "
1381 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x"
1383 "%db cmd/%db data/%db sense\n",
1384 device_get_nameunit(ocb
->sdev
->target
->sbp
->fd
.dev
),
1385 ocb
->ccb
->ccb_h
.target_id
, ocb
->ccb
->ccb_h
.target_lun
,
1386 csio
->cdb_io
.cdb_bytes
[0],
1387 csio
->cdb_io
.cdb_bytes
[1],
1388 csio
->cdb_io
.cdb_bytes
[2],
1389 csio
->cdb_io
.cdb_bytes
[3],
1390 csio
->cdb_io
.cdb_bytes
[4],
1391 csio
->cdb_io
.cdb_bytes
[5],
1392 csio
->cdb_io
.cdb_bytes
[6],
1393 csio
->cdb_io
.cdb_bytes
[7],
1394 csio
->cdb_io
.cdb_bytes
[8],
1395 csio
->cdb_io
.cdb_bytes
[9],
1396 ocb
->ccb
->ccb_h
.flags
& CAM_DIR_MASK
,
1397 csio
->cdb_len
, csio
->dxfer_len
,
1402 sbp_scsi_status(struct sbp_status
*sbp_status
, struct sbp_ocb
*ocb
)
1404 struct sbp_cmd_status
*sbp_cmd_status
;
1405 struct scsi_sense_data
*sense
;
1407 sbp_cmd_status
= (struct sbp_cmd_status
*)sbp_status
->data
;
1408 sense
= &ocb
->ccb
->csio
.sense_data
;
1411 sbp_print_scsi_cmd(ocb
);
1412 /* XXX need decode status */
1413 sbp_show_sdev_info(ocb
->sdev
, 2);
1414 kprintf("SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d\n",
1415 sbp_cmd_status
->status
,
1416 sbp_cmd_status
->sfmt
,
1417 sbp_cmd_status
->valid
,
1418 sbp_cmd_status
->s_key
,
1419 sbp_cmd_status
->s_code
,
1420 sbp_cmd_status
->s_qlfr
,
1425 switch (sbp_cmd_status
->status
) {
1426 case SCSI_STATUS_CHECK_COND
:
1427 case SCSI_STATUS_BUSY
:
1428 case SCSI_STATUS_CMD_TERMINATED
:
1429 if(sbp_cmd_status
->sfmt
== SBP_SFMT_CURR
){
1430 sense
->error_code
= SSD_CURRENT_ERROR
;
1432 sense
->error_code
= SSD_DEFERRED_ERROR
;
1434 if(sbp_cmd_status
->valid
)
1435 sense
->error_code
|= SSD_ERRCODE_VALID
;
1436 sense
->flags
= sbp_cmd_status
->s_key
;
1437 if(sbp_cmd_status
->mark
)
1438 sense
->flags
|= SSD_FILEMARK
;
1439 if(sbp_cmd_status
->eom
)
1440 sense
->flags
|= SSD_EOM
;
1441 if(sbp_cmd_status
->ill_len
)
1442 sense
->flags
|= SSD_ILI
;
1444 bcopy(&sbp_cmd_status
->info
, &sense
->info
[0], 4);
1446 if (sbp_status
->len
<= 1)
1447 /* XXX not scsi status. shouldn't be happened */
1448 sense
->extra_len
= 0;
1449 else if (sbp_status
->len
<= 4)
1450 /* add_sense_code(_qual), info, cmd_spec_info */
1451 sense
->extra_len
= 6;
1453 /* fru, sense_key_spec */
1454 sense
->extra_len
= 10;
1456 bcopy(&sbp_cmd_status
->cdb
, &sense
->cmd_spec_info
[0], 4);
1458 sense
->add_sense_code
= sbp_cmd_status
->s_code
;
1459 sense
->add_sense_code_qual
= sbp_cmd_status
->s_qlfr
;
1460 sense
->fru
= sbp_cmd_status
->fru
;
1462 bcopy(&sbp_cmd_status
->s_keydep
[0],
1463 &sense
->sense_key_spec
[0], 3);
1465 ocb
->ccb
->csio
.scsi_status
= sbp_cmd_status
->status
;
1466 ocb
->ccb
->ccb_h
.status
= CAM_SCSI_STATUS_ERROR
1467 | CAM_AUTOSNS_VALID
;
1472 for( j = 0 ; j < 32 ; j+=8){
1473 kprintf("sense %02x%02x %02x%02x %02x%02x %02x%02x\n",
1474 tmp[j], tmp[j+1], tmp[j+2], tmp[j+3],
1475 tmp[j+4], tmp[j+5], tmp[j+6], tmp[j+7]);
1482 sbp_show_sdev_info(ocb
->sdev
, 2);
1483 kprintf("sbp_scsi_status: unknown scsi status 0x%x\n",
1484 sbp_cmd_status
->status
);
1489 sbp_fix_inq_data(struct sbp_ocb
*ocb
)
1492 struct sbp_dev
*sdev
;
1493 struct scsi_inquiry_data
*inq
;
1498 if (ccb
->csio
.cdb_io
.cdb_bytes
[1] & SI_EVPD
)
1501 sbp_show_sdev_info(sdev
, 2);
1502 kprintf("sbp_fix_inq_data\n");
1504 inq
= (struct scsi_inquiry_data
*) ccb
->csio
.data_ptr
;
1505 switch (SID_TYPE(inq
)) {
1509 * XXX Convert Direct Access device to RBC.
1510 * I've never seen FireWire DA devices which support READ_6.
1512 if (SID_TYPE(inq
) == T_DIRECT
)
1513 inq
->device
|= T_RBC
; /* T_DIRECT == 0 */
1517 /* enable tagged queuing */
1519 inq
->flags
|= SID_CmdQue
;
1521 inq
->flags
&= ~SID_CmdQue
;
1523 * Override vendor/product/revision information.
1524 * Some devices sometimes return strange strings.
1527 bcopy(sdev
->vendor
, inq
->vendor
, sizeof(inq
->vendor
));
1528 bcopy(sdev
->product
, inq
->product
, sizeof(inq
->product
));
1529 bcopy(sdev
->revision
+2, inq
->revision
, sizeof(inq
->revision
));
1536 sbp_recv1(struct fw_xfer
*xfer
)
1542 struct sbp_softc
*sbp
;
1543 struct sbp_dev
*sdev
;
1544 struct sbp_ocb
*ocb
;
1545 struct sbp_login_res
*login_res
= NULL
;
1546 struct sbp_status
*sbp_status
;
1547 struct sbp_target
*target
;
1548 int orb_fun
, status_valid0
, status_valid
, t
, l
, reset_agent
= 0;
1552 ld = xfer->recv.buf;
1553 kprintf("sbp %x %d %d %08x %08x %08x %08x\n",
1554 xfer->resp, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3]));
1555 kprintf("sbp %08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7]));
1556 kprintf("sbp %08x %08x %08x %08x\n", ntohl(ld[8]), ntohl(ld[9]), ntohl(ld[10]), ntohl(ld[11]));
1558 sbp
= (struct sbp_softc
*)xfer
->sc
;
1559 if (xfer
->resp
!= 0){
1560 kprintf("sbp_recv: xfer->resp = %d\n", xfer
->resp
);
1563 if (xfer
->recv
.payload
== NULL
){
1564 kprintf("sbp_recv: xfer->recv.payload == NULL\n");
1567 rfp
= &xfer
->recv
.hdr
;
1568 if(rfp
->mode
.wreqb
.tcode
!= FWTCODE_WREQB
){
1569 kprintf("sbp_recv: tcode = %d\n", rfp
->mode
.wreqb
.tcode
);
1572 sbp_status
= (struct sbp_status
*)xfer
->recv
.payload
;
1573 addr
= rfp
->mode
.wreqb
.dest_lo
;
1575 kprintf("received address 0x%x\n", addr
);
1577 t
= SBP_ADDR2TRG(addr
);
1578 if (t
>= SBP_NUM_TARGETS
) {
1579 device_printf(sbp
->fd
.dev
,
1580 "sbp_recv1: invalid target %d\n", t
);
1583 target
= &sbp
->targets
[t
];
1584 l
= SBP_ADDR2LUN(addr
);
1585 if (l
>= target
->num_lun
|| target
->luns
[l
] == NULL
) {
1586 device_printf(sbp
->fd
.dev
,
1587 "sbp_recv1: invalid lun %d (target=%d)\n", l
, t
);
1590 sdev
= target
->luns
[l
];
1593 switch (sbp_status
->src
) {
1596 /* check mgm_ocb_cur first */
1597 ocb
= target
->mgm_ocb_cur
;
1599 if (OCB_MATCH(ocb
, sbp_status
)) {
1600 callout_stop(&target
->mgm_ocb_timeout
);
1601 target
->mgm_ocb_cur
= NULL
;
1605 ocb
= sbp_dequeue_ocb(sdev
, sbp_status
);
1607 sbp_show_sdev_info(sdev
, 2);
1608 kprintf("No ocb(%x) on the queue\n",
1609 ntohl(sbp_status
->orb_lo
));
1614 sbp_show_sdev_info(sdev
, 2);
1615 kprintf("unsolicit status received\n");
1618 sbp_show_sdev_info(sdev
, 2);
1619 kprintf("unknown sbp_status->src\n");
1622 status_valid0
= (sbp_status
->src
< 2
1623 && sbp_status
->resp
== ORB_RES_CMPL
1624 && sbp_status
->dead
== 0);
1625 status_valid
= (status_valid0
&& sbp_status
->status
== 0);
1627 if (!status_valid0
|| debug
> 2){
1630 sbp_show_sdev_info(sdev
, 2);
1631 kprintf("ORB status src:%x resp:%x dead:%x"
1632 " len:%x stat:%x orb:%x%08x\n",
1633 sbp_status
->src
, sbp_status
->resp
, sbp_status
->dead
,
1634 sbp_status
->len
, sbp_status
->status
,
1635 ntohs(sbp_status
->orb_hi
), ntohl(sbp_status
->orb_lo
));
1637 sbp_show_sdev_info(sdev
, 2);
1638 status
= sbp_status
->status
;
1639 switch(sbp_status
->resp
) {
1641 if (status
> MAX_ORB_STATUS0
)
1642 kprintf("%s\n", orb_status0
[MAX_ORB_STATUS0
]);
1644 kprintf("%s\n", orb_status0
[status
]);
1647 kprintf("Obj: %s, Error: %s\n",
1648 orb_status1_object
[(status
>>6) & 3],
1649 orb_status1_serial_bus_error
[status
& 0xf]);
1652 kprintf("Illegal request\n");
1655 kprintf("Vendor dependent\n");
1658 kprintf("unknown respose code %d\n", sbp_status
->resp
);
1662 /* we have to reset the fetch agent if it's dead */
1663 if (sbp_status
->dead
) {
1665 xpt_freeze_devq(sdev
->path
, 1);
1674 switch(ntohl(ocb
->orb
[4]) & ORB_FMT_MSK
){
1680 switch(ocb
->flags
) {
1682 orb_fun
= ntohl(ocb
->orb
[4]) & ORB_FUN_MSK
;
1686 fwdma_sync(&sdev
->dma
, BUS_DMASYNC_POSTREAD
);
1687 login_res
= sdev
->login
;
1688 login_res
->len
= ntohs(login_res
->len
);
1689 login_res
->id
= ntohs(login_res
->id
);
1690 login_res
->cmd_hi
= ntohs(login_res
->cmd_hi
);
1691 login_res
->cmd_lo
= ntohl(login_res
->cmd_lo
);
1694 sbp_show_sdev_info(sdev
, 2);
1695 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
));
1697 sbp_busy_timeout(sdev
);
1699 /* forgot logout? */
1700 sbp_show_sdev_info(sdev
, 2);
1701 kprintf("login failed\n");
1702 sdev
->status
= SBP_DEV_RESET
;
1706 login_res
= sdev
->login
;
1709 sbp_show_sdev_info(sdev
, 2);
1710 kprintf("reconnect: len %d, ID %d, cmd %08x%08x\n", login_res
->len
, login_res
->id
, login_res
->cmd_hi
, login_res
->cmd_lo
);
1713 if (sdev
->status
== SBP_DEV_ATTACHED
)
1716 sbp_agent_reset(sdev
);
1718 sdev
->status
= SBP_DEV_ATTACHED
;
1719 sbp_mgm_orb(sdev
, ORB_FUN_ATS
, NULL
);
1722 /* reconnection hold time exceed? */
1724 sbp_show_sdev_info(sdev
, 2);
1725 kprintf("reconnect failed\n");
1731 sdev
->status
= SBP_DEV_RESET
;
1734 sbp_busy_timeout(sdev
);
1739 sbp_agent_reset(sdev
);
1742 sbp_show_sdev_info(sdev
, 2);
1743 kprintf("unknown function %d\n", orb_fun
);
1746 sbp_mgm_orb(sdev
, ORB_FUN_RUNQUEUE
, NULL
);
1750 if(ocb
->ccb
!= NULL
){
1754 ld = ocb->ccb->csio.data_ptr;
1755 if(ld != NULL && ocb->ccb->csio.dxfer_len != 0)
1756 kprintf("ptr %08x %08x %08x %08x\n", ld[0], ld[1], ld[2], ld[3]);
1758 kprintf("ptr NULL\n");
1759 kprintf("len %d\n", sbp_status->len);
1762 if(sbp_status
->len
> 1){
1763 sbp_scsi_status(sbp_status
, ocb
);
1765 if(sbp_status
->resp
!= ORB_RES_CMPL
){
1766 ccb
->ccb_h
.status
= CAM_REQ_CMP_ERR
;
1768 ccb
->ccb_h
.status
= CAM_REQ_CMP
;
1771 /* fix up inq data */
1772 if (ccb
->csio
.cdb_io
.cdb_bytes
[0] == INQUIRY
)
1773 sbp_fix_inq_data(ocb
);
1782 sbp_free_ocb(sdev
, ocb
);
1785 sbp_agent_reset(sdev
);
1788 xfer
->recv
.pay_len
= SBP_RECV_LEN
;
1789 /* The received packet is usually small enough to be stored within
1790 * the buffer. In that case, the controller return ack_complete and
1791 * no respose is necessary.
1793 * XXX fwohci.c and firewire.c should inform event_code such as
1794 * ack_complete or ack_pending to upper driver.
1798 sfp
= (struct fw_pkt
*)xfer
->send
.buf
;
1799 sfp
->mode
.wres
.dst
= rfp
->mode
.wreqb
.src
;
1800 xfer
->dst
= sfp
->mode
.wres
.dst
;
1801 xfer
->spd
= min(sdev
->target
->fwdev
->speed
, max_speed
);
1802 xfer
->act
.hand
= sbp_loginres_callback
;
1803 xfer
->retry_req
= fw_asybusy
;
1805 sfp
->mode
.wres
.tlrt
= rfp
->mode
.wreqb
.tlrt
;
1806 sfp
->mode
.wres
.tcode
= FWTCODE_WRES
;
1807 sfp
->mode
.wres
.rtcode
= 0;
1808 sfp
->mode
.wres
.pri
= 0;
1810 fw_asyreq(xfer
->fc
, -1, xfer
);
1813 STAILQ_INSERT_TAIL(&sbp
->fwb
.xferlist
, xfer
, link
);
1821 sbp_recv(struct fw_xfer
*xfer
)
1831 sbp_attach(device_t dev
)
1833 struct sbp_softc
*sbp
;
1834 struct cam_devq
*devq
;
1835 struct fw_xfer
*xfer
;
1839 kprintf("sbp_attach (cold=%d)\n", cold
);
1846 sbp
= ((struct sbp_softc
*)device_get_softc(dev
));
1847 bzero(sbp
, sizeof(struct sbp_softc
));
1849 sbp
->fd
.fc
= device_get_ivars(dev
);
1852 max_speed
= sbp
->fd
.fc
->speed
;
1854 error
= bus_dma_tag_create(/*parent*/sbp
->fd
.fc
->dmat
,
1855 /* XXX shoud be 4 for sane backend? */
1858 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT
,
1859 /*highaddr*/BUS_SPACE_MAXADDR
,
1860 #if defined(__FreeBSD__)
1861 /*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
),
1890 /*tagged*/ SBP_QUEUE_LEN
- 1,
1892 cam_simq_release(devq
);
1893 if (sbp
->sim
== NULL
)
1896 if (xpt_bus_register(sbp
->sim
, /*bus*/0) != CAM_SUCCESS
)
1899 if (xpt_create_path(&sbp
->path
, xpt_periph
, cam_sim_path(sbp
->sim
),
1900 CAM_TARGET_WILDCARD
, CAM_LUN_WILDCARD
) != CAM_REQ_CMP
) {
1901 xpt_bus_deregister(cam_sim_path(sbp
->sim
));
1905 /* We reserve 16 bit space (4 bytes X 64 targets X 256 luns) */
1906 sbp
->fwb
.start
= ((u_int64_t
)SBP_BIND_HI
<< 32) | SBP_DEV2ADDR(0, 0);
1907 sbp
->fwb
.end
= sbp
->fwb
.start
+ 0xffff;
1908 sbp
->fwb
.act_type
= FWACT_XFER
;
1909 /* pre-allocate xfer */
1910 STAILQ_INIT(&sbp
->fwb
.xferlist
);
1911 for (i
= 0; i
< SBP_NUM_OCB
/2; i
++) {
1912 xfer
= fw_xfer_alloc_buf(M_SBP
,
1914 /* recv */SBP_RECV_LEN
);
1915 xfer
->act
.hand
= sbp_recv
;
1917 xfer
->fc
= sbp
->fd
.fc
;
1919 xfer
->sc
= (caddr_t
)sbp
;
1920 STAILQ_INSERT_TAIL(&sbp
->fwb
.xferlist
, xfer
, link
);
1922 fw_bindadd(sbp
->fd
.fc
, &sbp
->fwb
);
1924 sbp
->fd
.post_busreset
= sbp_post_busreset
;
1925 sbp
->fd
.post_explore
= sbp_post_explore
;
1927 if (sbp
->fd
.fc
->status
!= -1) {
1929 sbp_post_busreset((void *)sbp
);
1930 sbp_post_explore((void *)sbp
);
1933 xpt_async(AC_BUS_RESET
, sbp
->path
, /*arg*/ NULL
);
1937 cam_sim_free(sbp
->sim
);
1942 sbp_logout_all(struct sbp_softc
*sbp
)
1944 struct sbp_target
*target
;
1945 struct sbp_dev
*sdev
;
1949 kprintf("sbp_logout_all\n");
1951 for (i
= 0 ; i
< SBP_NUM_TARGETS
; i
++) {
1952 target
= &sbp
->targets
[i
];
1953 if (target
->luns
== NULL
)
1955 for (j
= 0; j
< target
->num_lun
; j
++) {
1956 sdev
= target
->luns
[j
];
1959 callout_stop(&sdev
->login_callout
);
1960 if (sdev
->status
>= SBP_DEV_TOATTACH
&&
1961 sdev
->status
<= SBP_DEV_ATTACHED
)
1962 sbp_mgm_orb(sdev
, ORB_FUN_LGO
, NULL
);
1970 sbp_shutdown(device_t dev
)
1972 struct sbp_softc
*sbp
= ((struct sbp_softc
*)device_get_softc(dev
));
1974 sbp_logout_all(sbp
);
1979 sbp_free_sdev(struct sbp_dev
*sdev
)
1985 for (i
= 0; i
< SBP_QUEUE_LEN
; i
++)
1986 bus_dmamap_destroy(sdev
->target
->sbp
->dmat
,
1987 sdev
->ocb
[i
].dmamap
);
1988 fwdma_free(sdev
->target
->sbp
->fd
.fc
, &sdev
->dma
);
1993 sbp_free_target(struct sbp_target
*target
)
1995 struct fw_xfer
*xfer
, *next
;
1998 if (target
->luns
== NULL
)
2000 callout_stop(&target
->mgm_ocb_timeout
);
2001 for (i
= 0; i
< target
->num_lun
; i
++)
2002 sbp_free_sdev(target
->luns
[i
]);
2004 for (xfer
= STAILQ_FIRST(&target
->xferlist
);
2005 xfer
!= NULL
; xfer
= next
) {
2006 next
= STAILQ_NEXT(xfer
, link
);
2007 fw_xfer_free_buf(xfer
);
2009 STAILQ_INIT(&target
->xferlist
);
2010 kfree(target
->luns
, M_SBP
);
2011 target
->num_lun
= 0;
2012 target
->luns
= NULL
;
2013 target
->fwdev
= NULL
;
2017 sbp_detach(device_t dev
)
2019 struct sbp_softc
*sbp
= ((struct sbp_softc
*)device_get_softc(dev
));
2020 struct firewire_comm
*fc
= sbp
->fd
.fc
;
2021 struct fw_xfer
*xfer
, *next
;
2025 kprintf("sbp_detach\n");
2028 for (i
= 0; i
< SBP_NUM_TARGETS
; i
++)
2029 sbp_cam_detach_target(&sbp
->targets
[i
]);
2030 xpt_async(AC_LOST_DEVICE
, sbp
->path
, NULL
);
2031 xpt_free_path(sbp
->path
);
2032 xpt_bus_deregister(cam_sim_path(sbp
->sim
));
2033 cam_sim_free(sbp
->sim
);
2035 sbp_logout_all(sbp
);
2037 /* XXX wait for logout completion */
2038 tsleep(&i
, FWPRI
, "sbpdtc", hz
/2);
2040 for (i
= 0 ; i
< SBP_NUM_TARGETS
; i
++)
2041 sbp_free_target(&sbp
->targets
[i
]);
2043 for (xfer
= STAILQ_FIRST(&sbp
->fwb
.xferlist
);
2044 xfer
!= NULL
; xfer
= next
) {
2045 next
= STAILQ_NEXT(xfer
, link
);
2046 fw_xfer_free_buf(xfer
);
2048 STAILQ_INIT(&sbp
->fwb
.xferlist
);
2049 fw_bindremove(fc
, &sbp
->fwb
);
2051 bus_dma_tag_destroy(sbp
->dmat
);
2057 sbp_cam_detach_sdev(struct sbp_dev
*sdev
)
2061 if (sdev
->status
== SBP_DEV_DEAD
)
2063 if (sdev
->status
== SBP_DEV_RESET
)
2066 xpt_release_devq(sdev
->path
,
2067 sdev
->freeze
, TRUE
);
2069 xpt_async(AC_LOST_DEVICE
, sdev
->path
, NULL
);
2070 xpt_free_path(sdev
->path
);
2073 sbp_abort_all_ocbs(sdev
, CAM_DEV_NOT_THERE
);
2077 sbp_cam_detach_target(struct sbp_target
*target
)
2081 if (target
->luns
!= NULL
) {
2083 kprintf("sbp_detach_target %d\n", target
->target_id
);
2085 callout_stop(&target
->scan_callout
);
2086 for (i
= 0; i
< target
->num_lun
; i
++)
2087 sbp_cam_detach_sdev(target
->luns
[i
]);
2092 sbp_target_reset(struct sbp_dev
*sdev
, int method
)
2095 struct sbp_target
*target
= sdev
->target
;
2096 struct sbp_dev
*tsdev
;
2098 for (i
= 0; i
< target
->num_lun
; i
++) {
2099 tsdev
= target
->luns
[i
];
2102 if (tsdev
->status
== SBP_DEV_DEAD
)
2104 if (tsdev
->status
== SBP_DEV_RESET
)
2106 xpt_freeze_devq(tsdev
->path
, 1);
2108 sbp_abort_all_ocbs(tsdev
, CAM_CMD_TIMEOUT
);
2110 tsdev
->status
= SBP_DEV_LOGIN
;
2114 kprintf("target reset\n");
2115 sbp_mgm_orb(sdev
, ORB_FUN_RST
, NULL
);
2118 kprintf("reset start\n");
2119 sbp_reset_start(sdev
);
2126 sbp_mgm_timeout(void *arg
)
2128 struct sbp_ocb
*ocb
= (struct sbp_ocb
*)arg
;
2129 struct sbp_dev
*sdev
= ocb
->sdev
;
2130 struct sbp_target
*target
= sdev
->target
;
2132 sbp_show_sdev_info(sdev
, 2);
2133 kprintf("request timeout(mgm orb:0x%08x) ... ",
2134 (u_int32_t
)ocb
->bus_addr
);
2135 target
->mgm_ocb_cur
= NULL
;
2136 sbp_free_ocb(sdev
, ocb
);
2139 kprintf("run next request\n");
2140 sbp_mgm_orb(sdev
, ORB_FUN_RUNQUEUE
, NULL
);
2143 kprintf("reset start\n");
2144 sbp_reset_start(sdev
);
2149 sbp_timeout(void *arg
)
2151 struct sbp_ocb
*ocb
= (struct sbp_ocb
*)arg
;
2152 struct sbp_dev
*sdev
= ocb
->sdev
;
2154 sbp_show_sdev_info(sdev
, 2);
2155 kprintf("request timeout(cmd orb:0x%08x) ... ",
2156 (u_int32_t
)ocb
->bus_addr
);
2159 switch(sdev
->timeout
) {
2161 kprintf("agent reset\n");
2162 xpt_freeze_devq(sdev
->path
, 1);
2164 sbp_abort_all_ocbs(sdev
, CAM_CMD_TIMEOUT
);
2165 sbp_agent_reset(sdev
);
2169 sbp_target_reset(sdev
, sdev
->timeout
- 1);
2174 sbp_cam_detach_target(target
);
2175 if (target
->luns
!= NULL
)
2176 kfree(target
->luns
, M_SBP
);
2177 target
->num_lun
= 0;
2178 target
->luns
= NULL
;
2179 target
->fwdev
= NULL
;
2185 sbp_action1(struct cam_sim
*sim
, union ccb
*ccb
)
2188 struct sbp_softc
*sbp
= (struct sbp_softc
*)sim
->softc
;
2189 struct sbp_target
*target
= NULL
;
2190 struct sbp_dev
*sdev
= NULL
;
2192 /* target:lun -> sdev mapping */
2194 && ccb
->ccb_h
.target_id
!= CAM_TARGET_WILDCARD
2195 && ccb
->ccb_h
.target_id
< SBP_NUM_TARGETS
) {
2196 target
= &sbp
->targets
[ccb
->ccb_h
.target_id
];
2197 if (target
->fwdev
!= NULL
2198 && ccb
->ccb_h
.target_lun
!= CAM_LUN_WILDCARD
2199 && ccb
->ccb_h
.target_lun
< target
->num_lun
) {
2200 sdev
= target
->luns
[ccb
->ccb_h
.target_lun
];
2201 if (sdev
!= NULL
&& sdev
->status
!= SBP_DEV_ATTACHED
&&
2202 sdev
->status
!= SBP_DEV_PROBE
)
2209 kprintf("invalid target %d lun %d\n",
2210 ccb
->ccb_h
.target_id
, ccb
->ccb_h
.target_lun
);
2213 switch (ccb
->ccb_h
.func_code
) {
2216 case XPT_GET_TRAN_SETTINGS
:
2217 case XPT_SET_TRAN_SETTINGS
:
2218 case XPT_CALC_GEOMETRY
:
2221 kprintf("%s:%d:%d:func_code 0x%04x: "
2222 "Invalid target (target needed)\n",
2223 device_get_nameunit(sbp
->fd
.dev
),
2224 ccb
->ccb_h
.target_id
, ccb
->ccb_h
.target_lun
,
2225 ccb
->ccb_h
.func_code
);
2228 ccb
->ccb_h
.status
= CAM_DEV_NOT_THERE
;
2235 /* The opcodes sometimes aimed at a target (sc is valid),
2236 * sometimes aimed at the SIM (sc is invalid and target is
2237 * CAM_TARGET_WILDCARD)
2240 ccb
->ccb_h
.target_id
!= CAM_TARGET_WILDCARD
) {
2242 kprintf("%s:%d:%d func_code 0x%04x: "
2243 "Invalid target (no wildcard)\n",
2244 device_get_nameunit(sbp
->fd
.dev
),
2245 ccb
->ccb_h
.target_id
, ccb
->ccb_h
.target_lun
,
2246 ccb
->ccb_h
.func_code
);
2248 ccb
->ccb_h
.status
= CAM_DEV_NOT_THERE
;
2254 /* XXX Hm, we should check the input parameters */
2258 switch (ccb
->ccb_h
.func_code
) {
2261 struct ccb_scsiio
*csio
;
2262 struct sbp_ocb
*ocb
;
2269 kprintf("%s:%d:%d XPT_SCSI_IO: "
2270 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x"
2272 "%db cmd/%db data/%db sense\n",
2273 device_get_nameunit(sbp
->fd
.dev
),
2274 ccb
->ccb_h
.target_id
, ccb
->ccb_h
.target_lun
,
2275 csio
->cdb_io
.cdb_bytes
[0],
2276 csio
->cdb_io
.cdb_bytes
[1],
2277 csio
->cdb_io
.cdb_bytes
[2],
2278 csio
->cdb_io
.cdb_bytes
[3],
2279 csio
->cdb_io
.cdb_bytes
[4],
2280 csio
->cdb_io
.cdb_bytes
[5],
2281 csio
->cdb_io
.cdb_bytes
[6],
2282 csio
->cdb_io
.cdb_bytes
[7],
2283 csio
->cdb_io
.cdb_bytes
[8],
2284 csio
->cdb_io
.cdb_bytes
[9],
2285 ccb
->ccb_h
.flags
& CAM_DIR_MASK
,
2286 csio
->cdb_len
, csio
->dxfer_len
,
2290 ccb
->ccb_h
.status
= CAM_DEV_NOT_THERE
;
2295 /* if we are in probe stage, pass only probe commands */
2296 if (sdev
->status
== SBP_DEV_PROBE
) {
2298 name
= xpt_path_periph(ccb
->ccb_h
.path
)->periph_name
;
2299 kprintf("probe stage, periph name: %s\n", name
);
2300 if (strcmp(name
, "probe") != 0) {
2301 ccb
->ccb_h
.status
= CAM_REQUEUE_REQ
;
2307 if ((ocb
= sbp_get_ocb(sdev
)) == NULL
) {
2308 ccb
->ccb_h
.status
= CAM_REQUEUE_REQ
;
2313 ocb
->flags
= OCB_ACT_CMD
;
2316 ccb
->ccb_h
.ccb_sdev_ptr
= sdev
;
2317 ocb
->orb
[0] = htonl(1 << 31);
2319 ocb
->orb
[2] = htonl(((sbp
->fd
.fc
->nodeid
| FWLOCALBUS
)<< 16) );
2320 ocb
->orb
[3] = htonl(ocb
->bus_addr
+ IND_PTR_OFFSET
);
2321 speed
= min(target
->fwdev
->speed
, max_speed
);
2322 ocb
->orb
[4] = htonl(ORB_NOTIFY
| ORB_CMD_SPD(speed
)
2323 | ORB_CMD_MAXP(speed
+ 7));
2324 if((ccb
->ccb_h
.flags
& CAM_DIR_MASK
) == CAM_DIR_IN
){
2325 ocb
->orb
[4] |= htonl(ORB_CMD_IN
);
2328 if (csio
->ccb_h
.flags
& CAM_SCATTER_VALID
)
2329 kprintf("sbp: CAM_SCATTER_VALID\n");
2330 if (csio
->ccb_h
.flags
& CAM_DATA_PHYS
)
2331 kprintf("sbp: CAM_DATA_PHYS\n");
2333 if (csio
->ccb_h
.flags
& CAM_CDB_POINTER
)
2334 cdb
= (void *)csio
->cdb_io
.cdb_ptr
;
2336 cdb
= (void *)&csio
->cdb_io
.cdb_bytes
;
2337 bcopy(cdb
, (void *)&ocb
->orb
[5], csio
->cdb_len
);
2339 kprintf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[0]), ntohl(ocb->orb[1]), ntohl(ocb->orb[2]), ntohl(ocb->orb[3]));
2340 kprintf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[4]), ntohl(ocb->orb[5]), ntohl(ocb->orb[6]), ntohl(ocb->orb[7]));
2342 if (ccb
->csio
.dxfer_len
> 0) {
2346 error
= bus_dmamap_load(/*dma tag*/sbp
->dmat
,
2347 /*dma map*/ocb
->dmamap
,
2349 ccb
->csio
.dxfer_len
,
2355 kprintf("sbp: bus_dmamap_load error %d\n", error
);
2357 sbp_execute_ocb(ocb
, NULL
, 0, 0);
2360 case XPT_CALC_GEOMETRY
:
2362 struct ccb_calc_geometry
*ccg
;
2363 #if defined(__DragonFly__) || __FreeBSD_version < 501100
2365 u_int32_t secs_per_cylinder
;
2370 if (ccg
->block_size
== 0) {
2371 kprintf("sbp_action1: block_size is 0.\n");
2372 ccb
->ccb_h
.status
= CAM_REQ_INVALID
;
2377 kprintf("%s:%d:%d:%d:XPT_CALC_GEOMETRY: Volume size = %ju\n",
2378 device_get_nameunit(sbp
->fd
.dev
),
2379 cam_sim_path(sbp
->sim
),
2380 ccb
->ccb_h
.target_id
, ccb
->ccb_h
.target_lun
,
2381 (uintmax_t)ccg
->volume_size
);
2384 #if defined(__DragonFly__) || __FreeBSD_version < 501100
2385 size_mb
= ccg
->volume_size
2386 / ((1024L * 1024L) / ccg
->block_size
);
2388 if (size_mb
> 1024 && extended
) {
2390 ccg
->secs_per_track
= 63;
2393 ccg
->secs_per_track
= 32;
2395 secs_per_cylinder
= ccg
->heads
* ccg
->secs_per_track
;
2396 ccg
->cylinders
= ccg
->volume_size
/ secs_per_cylinder
;
2397 ccb
->ccb_h
.status
= CAM_REQ_CMP
;
2399 cam_calc_geometry(ccg
, /*extended*/1);
2404 case XPT_RESET_BUS
: /* Reset the specified SCSI bus */
2408 kprintf("%s:%d:XPT_RESET_BUS: \n",
2409 device_get_nameunit(sbp
->fd
.dev
), cam_sim_path(sbp
->sim
));
2412 ccb
->ccb_h
.status
= CAM_REQ_INVALID
;
2416 case XPT_PATH_INQ
: /* Path routing inquiry */
2418 struct ccb_pathinq
*cpi
= &ccb
->cpi
;
2421 kprintf("%s:%d:%d XPT_PATH_INQ:.\n",
2422 device_get_nameunit(sbp
->fd
.dev
),
2423 ccb
->ccb_h
.target_id
, ccb
->ccb_h
.target_lun
);
2425 cpi
->version_num
= 1; /* XXX??? */
2426 cpi
->hba_inquiry
= PI_TAG_ABLE
;
2427 cpi
->target_sprt
= 0;
2428 cpi
->hba_misc
= PIM_NOBUSRESET
| PIM_NO_6_BYTE
;
2429 cpi
->hba_eng_cnt
= 0;
2430 cpi
->max_target
= SBP_NUM_TARGETS
- 1;
2431 cpi
->max_lun
= SBP_NUM_LUNS
- 1;
2432 cpi
->initiator_id
= SBP_INITIATOR
;
2433 cpi
->bus_id
= sim
->bus_id
;
2434 cpi
->base_transfer_speed
= 400 * 1000 / 8;
2435 strncpy(cpi
->sim_vid
, "FreeBSD", SIM_IDLEN
);
2436 strncpy(cpi
->hba_vid
, "SBP", HBA_IDLEN
);
2437 strncpy(cpi
->dev_name
, sim
->sim_name
, DEV_IDLEN
);
2438 cpi
->unit_number
= sim
->unit_number
;
2439 cpi
->transport
= XPORT_SPI
; /* XX should have a FireWire */
2440 cpi
->transport_version
= 2;
2441 cpi
->protocol
= PROTO_SCSI
;
2442 cpi
->protocol_version
= SCSI_REV_2
;
2443 cpi
->maxio
= SBP_MAXPHYS
;
2445 cpi
->ccb_h
.status
= CAM_REQ_CMP
;
2449 case XPT_GET_TRAN_SETTINGS
:
2451 struct ccb_trans_settings
*cts
= &ccb
->cts
;
2452 struct ccb_trans_settings_scsi
*scsi
=
2453 &cts
->proto_specific
.scsi
;
2454 struct ccb_trans_settings_spi
*spi
=
2455 &cts
->xport_specific
.spi
;
2457 cts
->protocol
= PROTO_SCSI
;
2458 cts
->protocol_version
= SCSI_REV_2
;
2459 cts
->transport
= XPORT_SPI
; /* should have a FireWire */
2460 cts
->transport_version
= 2;
2461 spi
->valid
= CTS_SPI_VALID_DISC
;
2462 spi
->flags
= CTS_SPI_FLAGS_DISC_ENB
;
2463 scsi
->valid
= CTS_SCSI_VALID_TQ
;
2464 scsi
->flags
= CTS_SCSI_FLAGS_TAG_ENB
;
2466 kprintf("%s:%d:%d XPT_GET_TRAN_SETTINGS:.\n",
2467 device_get_nameunit(sbp
->fd
.dev
),
2468 ccb
->ccb_h
.target_id
, ccb
->ccb_h
.target_lun
);
2470 cts
->ccb_h
.status
= CAM_REQ_CMP
;
2475 ccb
->ccb_h
.status
= CAM_UA_ABORT
;
2478 case XPT_SET_TRAN_SETTINGS
:
2481 ccb
->ccb_h
.status
= CAM_REQ_INVALID
;
2489 sbp_action(struct cam_sim
*sim
, union ccb
*ccb
)
2492 sbp_action1(sim
, ccb
);
2497 sbp_execute_ocb(void *arg
, bus_dma_segment_t
*segments
, int seg
, int error
)
2500 struct sbp_ocb
*ocb
;
2501 struct sbp_ocb
*prev
;
2502 bus_dma_segment_t
*s
;
2505 kprintf("sbp_execute_ocb: error=%d\n", error
);
2507 ocb
= (struct sbp_ocb
*)arg
;
2510 kprintf("sbp_execute_ocb: seg %d", seg
);
2511 for (i
= 0; i
< seg
; i
++)
2512 kprintf(", %jx:%jd", (uintmax_t)segments
[i
].ds_addr
,
2513 (uintmax_t)segments
[i
].ds_len
);
2518 /* direct pointer */
2520 if (s
->ds_len
> SBP_SEG_MAX
)
2521 panic("ds_len > SBP_SEG_MAX, fix busdma code");
2522 ocb
->orb
[3] = htonl(s
->ds_addr
);
2523 ocb
->orb
[4] |= htonl(s
->ds_len
);
2524 } else if(seg
> 1) {
2526 for (i
= 0; i
< seg
; i
++) {
2529 /* XXX LSI Logic "< 16 byte" bug might be hit */
2531 kprintf("sbp_execute_ocb: warning, "
2532 "segment length(%zd) is less than 16."
2534 (size_t)s
->ds_len
, i
+1, (intmax_t)seg
);
2536 if (s
->ds_len
> SBP_SEG_MAX
)
2537 panic("ds_len > SBP_SEG_MAX, fix busdma code");
2538 ocb
->ind_ptr
[i
].hi
= htonl(s
->ds_len
<< 16);
2539 ocb
->ind_ptr
[i
].lo
= htonl(s
->ds_addr
);
2541 ocb
->orb
[4] |= htonl(ORB_CMD_PTBL
| seg
);
2545 bus_dmamap_sync(ocb
->sdev
->target
->sbp
->dmat
, ocb
->dmamap
,
2546 (ntohl(ocb
->orb
[4]) & ORB_CMD_IN
) ?
2547 BUS_DMASYNC_PREREAD
: BUS_DMASYNC_PREWRITE
);
2548 prev
= sbp_enqueue_ocb(ocb
->sdev
, ocb
);
2549 fwdma_sync(&ocb
->sdev
->dma
, BUS_DMASYNC_PREWRITE
);
2550 if (prev
== NULL
|| (ocb
->sdev
->flags
& ORB_LINK_DEAD
) != 0) {
2551 ocb
->sdev
->flags
&= ~ORB_LINK_DEAD
;
2552 sbp_orb_pointer(ocb
->sdev
, ocb
);
2557 sbp_poll(struct cam_sim
*sim
)
2559 struct sbp_softc
*sbp
;
2560 struct firewire_comm
*fc
;
2562 sbp
= (struct sbp_softc
*)sim
->softc
;
2565 fc
->poll(fc
, 0, -1);
2570 static struct sbp_ocb
*
2571 sbp_dequeue_ocb(struct sbp_dev
*sdev
, struct sbp_status
*sbp_status
)
2573 struct sbp_ocb
*ocb
;
2574 struct sbp_ocb
*next
;
2580 sbp_show_sdev_info(sdev
, 2);
2581 kprintf("%s: 0x%08x src %d\n",
2582 __func__
, ntohl(sbp_status
->orb_lo
), sbp_status
->src
);
2584 for (ocb
= STAILQ_FIRST(&sdev
->ocbs
); ocb
!= NULL
; ocb
= next
) {
2585 next
= STAILQ_NEXT(ocb
, ocb
);
2586 if (OCB_MATCH(ocb
, sbp_status
)) {
2588 STAILQ_REMOVE(&sdev
->ocbs
, ocb
, sbp_ocb
, ocb
);
2589 if (ocb
->ccb
!= NULL
)
2590 callout_stop(ocb
->ccb
->ccb_h
.timeout_ch
);
2591 if (ntohl(ocb
->orb
[4]) & 0xffff) {
2592 bus_dmamap_sync(sdev
->target
->sbp
->dmat
,
2594 (ntohl(ocb
->orb
[4]) & ORB_CMD_IN
) ?
2595 BUS_DMASYNC_POSTREAD
:
2596 BUS_DMASYNC_POSTWRITE
);
2597 bus_dmamap_unload(sdev
->target
->sbp
->dmat
,
2600 if (sbp_status
->src
== SRC_NO_NEXT
) {
2602 sbp_orb_pointer(sdev
, next
);
2603 else if (order
> 0) {
2605 * Unordered execution
2606 * We need to send pointer for
2609 sdev
->flags
|= ORB_LINK_DEAD
;
2618 if (ocb
&& order
> 0) {
2619 sbp_show_sdev_info(sdev
, 2);
2620 kprintf("unordered execution order:%d\n", order
);
2626 static struct sbp_ocb
*
2627 sbp_enqueue_ocb(struct sbp_dev
*sdev
, struct sbp_ocb
*ocb
)
2629 struct sbp_ocb
*prev
;
2634 sbp_show_sdev_info(sdev
, 2);
2635 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,
2647 kprintf("linking chain 0x%jx -> 0x%jx\n",
2648 (uintmax_t)prev
->bus_addr
, (uintmax_t)ocb
->bus_addr
);
2650 prev
->orb
[1] = htonl(ocb
->bus_addr
);
2658 static struct sbp_ocb
*
2659 sbp_get_ocb(struct sbp_dev
*sdev
)
2661 struct sbp_ocb
*ocb
;
2664 ocb
= STAILQ_FIRST(&sdev
->free_ocbs
);
2666 kprintf("ocb shortage!!!\n");
2670 STAILQ_REMOVE_HEAD(&sdev
->free_ocbs
, ocb
);
2677 sbp_free_ocb(struct sbp_dev
*sdev
, struct sbp_ocb
*ocb
)
2681 STAILQ_INSERT_TAIL(&sdev
->free_ocbs
, ocb
, ocb
);
2685 sbp_abort_ocb(struct sbp_ocb
*ocb
, int status
)
2687 struct sbp_dev
*sdev
;
2691 sbp_show_sdev_info(sdev
, 2);
2692 kprintf("sbp_abort_ocb 0x%jx\n", (uintmax_t)ocb
->bus_addr
);
2695 if (ocb
->ccb
!= NULL
)
2696 sbp_print_scsi_cmd(ocb
);
2698 if (ntohl(ocb
->orb
[4]) & 0xffff) {
2699 bus_dmamap_sync(sdev
->target
->sbp
->dmat
, ocb
->dmamap
,
2700 (ntohl(ocb
->orb
[4]) & ORB_CMD_IN
) ?
2701 BUS_DMASYNC_POSTREAD
: BUS_DMASYNC_POSTWRITE
);
2702 bus_dmamap_unload(sdev
->target
->sbp
->dmat
, ocb
->dmamap
);
2704 if (ocb
->ccb
!= NULL
) {
2705 callout_stop(ocb
->ccb
->ccb_h
.timeout_ch
);
2706 ocb
->ccb
->ccb_h
.status
= status
;
2709 sbp_free_ocb(sdev
, ocb
);
2713 sbp_abort_all_ocbs(struct sbp_dev
*sdev
, int status
)
2715 struct sbp_ocb
*ocb
, *next
;
2716 STAILQ_HEAD(, sbp_ocb
) temp
;
2720 STAILQ_CONCAT(&temp
, &sdev
->ocbs
);
2721 for (ocb
= STAILQ_FIRST(&temp
); ocb
!= NULL
; ocb
= next
) {
2722 next
= STAILQ_NEXT(ocb
, ocb
);
2723 sbp_abort_ocb(ocb
, status
);
2728 static devclass_t sbp_devclass
;
2731 * Because sbp is a static device that always exists under any attached
2732 * firewire device, and not scanned by the firewire device, we need an
2733 * identify function to install the device. For our sanity we want
2734 * the sbp device to have the same unit number as the fireweire device.
2737 static device_method_t sbp_methods
[] = {
2738 /* device interface */
2739 DEVMETHOD(device_identify
, bus_generic_identify_sameunit
),
2740 DEVMETHOD(device_probe
, sbp_probe
),
2741 DEVMETHOD(device_attach
, sbp_attach
),
2742 DEVMETHOD(device_detach
, sbp_detach
),
2743 DEVMETHOD(device_shutdown
, sbp_shutdown
),
2748 static driver_t sbp_driver
= {
2751 sizeof(struct sbp_softc
),
2754 DECLARE_DUMMY_MODULE(sbp
);
2755 DRIVER_MODULE(sbp
, firewire
, sbp_driver
, sbp_devclass
, NULL
, NULL
);
2756 MODULE_VERSION(sbp
, 1);
2757 MODULE_DEPEND(sbp
, firewire
, 1, 1, 1);
2758 MODULE_DEPEND(sbp
, cam
, 1, 1, 1);