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[netbsd-mini2440.git] / sys / dev / ieee1394 / sbp.c
blobf6bae8c97ecfb578a3bb2e8011ab2b2193e3e73d
1 /* $NetBSD: sbp.c,v 1.27 2009/04/18 14:58:02 tsutsui Exp $ */
2 /*-
3 * Copyright (c) 2003 Hidetoshi Shimokawa
4 * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the acknowledgement as bellow:
17 *
18 * This product includes software developed by K. Kobayashi and H. Shimokawa
19 *
20 * 4. The name of the author may not be used to endorse or promote products
21 * derived from this software without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
25 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
26 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
27 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
28 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
29 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
31 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
32 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33 * POSSIBILITY OF SUCH DAMAGE.
34 *
35 * $FreeBSD: src/sys/dev/firewire/sbp.c,v 1.92 2007/06/06 14:31:36 simokawa Exp $
36 *
37 */
38
39 #include <sys/cdefs.h>
40 __KERNEL_RCSID(0, "$NetBSD: sbp.c,v 1.27 2009/04/18 14:58:02 tsutsui Exp $");
41
42 #if defined(__FreeBSD__)
43 #include <sys/param.h>
44 #include <sys/systm.h>
45 #include <sys/conf.h>
46 #include <sys/module.h>
47 #include <sys/bus.h>
48 #include <sys/kernel.h>
49 #include <sys/sysctl.h>
50 #include <sys/bus.h>
51 #include <sys/malloc.h>
52 #if defined(__FreeBSD__) && __FreeBSD_version >= 501102
53 #include <sys/lock.h>
54 #include <sys/mutex.h>
55 #endif
56
57 #if defined(__DragonFly__) || __FreeBSD_version < 500106
58 #include <sys/devicestat.h> /* for struct devstat */
59 #endif
60
61 #ifdef __DragonFly__
62 #include <bus/cam/cam.h>
63 #include <bus/cam/cam_ccb.h>
64 #include <bus/cam/cam_sim.h>
65 #include <bus/cam/cam_xpt_sim.h>
66 #include <bus/cam/cam_debug.h>
67 #include <bus/cam/cam_periph.h>
68 #include <bus/cam/scsi/scsi_all.h>
69
70 #include <bus/firewire/fw_port.h>
71 #include <bus/firewire/firewire.h>
72 #include <bus/firewire/firewirereg.h>
73 #include <bus/firewire/fwdma.h>
74 #include <bus/firewire/iec13213.h>
75 #include "sbp.h"
76 #else
77 #include <cam/cam.h>
78 #include <cam/cam_ccb.h>
79 #include <cam/cam_sim.h>
80 #include <cam/cam_xpt_sim.h>
81 #include <cam/cam_debug.h>
82 #include <cam/cam_periph.h>
83 #include <cam/scsi/scsi_all.h>
84
85 #include <dev/firewire/fw_port.h>
86 #include <dev/firewire/firewire.h>
87 #include <dev/firewire/firewirereg.h>
88 #include <dev/firewire/fwdma.h>
89 #include <dev/firewire/iec13213.h>
90 #include <dev/firewire/sbp.h>
91 #endif
92 #elif defined(__NetBSD__)
93 #include <sys/param.h>
94 #include <sys/device.h>
95 #include <sys/errno.h>
96 #include <sys/buf.h>
97 #include <sys/kernel.h>
98 #include <sys/kthread.h>
99 #include <sys/malloc.h>
100 #include <sys/proc.h>
101 #include <sys/sysctl.h>
102
103 #include <sys/bus.h>
104
105 #include <dev/scsipi/scsi_spc.h>
106 #include <dev/scsipi/scsi_all.h>
107 #include <dev/scsipi/scsipi_all.h>
108 #include <dev/scsipi/scsiconf.h>
109 #include <dev/scsipi/scsipiconf.h>
110
111 #include <dev/ieee1394/fw_port.h>
112 #include <dev/ieee1394/firewire.h>
113 #include <dev/ieee1394/firewirereg.h>
114 #include <dev/ieee1394/fwdma.h>
115 #include <dev/ieee1394/iec13213.h>
116 #include <dev/ieee1394/sbp.h>
117
118 #include "locators.h"
119 #endif
120
121 #define ccb_sdev_ptr spriv_ptr0
122 #define ccb_sbp_ptr spriv_ptr1
123
124 #define SBP_NUM_TARGETS 8 /* MAX 64 */
125 /*
126 * Scan_bus doesn't work for more than 8 LUNs
127 * because of CAM_SCSI2_MAXLUN in cam_xpt.c
128 */
129 #define SBP_NUM_LUNS 64
130 #define SBP_MAXPHYS MIN(MAXPHYS, (512*1024) /* 512KB */)
131 #define SBP_DMA_SIZE PAGE_SIZE
132 #define SBP_LOGIN_SIZE sizeof(struct sbp_login_res)
133 #define SBP_QUEUE_LEN ((SBP_DMA_SIZE - SBP_LOGIN_SIZE) / sizeof(struct sbp_ocb))
134 #define SBP_NUM_OCB (SBP_QUEUE_LEN * SBP_NUM_TARGETS)
135
136 /*
137 * STATUS FIFO addressing
138 * bit
139 * -----------------------
140 * 0- 1( 2): 0 (alignment)
141 * 2- 9( 8): lun
142 * 10-31(14): unit
143 * 32-47(16): SBP_BIND_HI
144 * 48-64(16): bus_id, node_id
145 */
146 #define SBP_BIND_HI 0x1
147 #define SBP_DEV2ADDR(u, l) \
148 (((u_int64_t)SBP_BIND_HI << 32) \
149 | (((u) & 0x3fff) << 10) \
150 | (((l) & 0xff) << 2))
151 #define SBP_ADDR2UNIT(a) (((a) >> 10) & 0x3fff)
152 #define SBP_ADDR2LUN(a) (((a) >> 2) & 0xff)
153 #define SBP_INITIATOR 7
154
155 static const char *orb_fun_name[] = {
156 ORB_FUN_NAMES
157 };
158
159 static int debug = 0;
160 static int auto_login = 1;
161 static int max_speed = -1;
162 static int sbp_cold = 1;
163 static int ex_login = 1;
164 static int login_delay = 1000; /* msec */
165 static int scan_delay = 500; /* msec */
166 static int use_doorbell = 0;
167 static int sbp_tags = 0;
168
169 #if defined(__FreeBSD__)
170 SYSCTL_DECL(_hw_firewire);
171 SYSCTL_NODE(_hw_firewire, OID_AUTO, sbp, CTLFLAG_RD, 0, "SBP-II Subsystem");
172 SYSCTL_INT(_debug, OID_AUTO, sbp_debug, CTLFLAG_RW, &debug, 0,
173 "SBP debug flag");
174 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, auto_login, CTLFLAG_RW, &auto_login, 0,
175 "SBP perform login automatically");
176 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, max_speed, CTLFLAG_RW, &max_speed, 0,
177 "SBP transfer max speed");
178 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, exclusive_login, CTLFLAG_RW,
179 &ex_login, 0, "SBP enable exclusive login");
180 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, login_delay, CTLFLAG_RW,
181 &login_delay, 0, "SBP login delay in msec");
182 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, scan_delay, CTLFLAG_RW,
183 &scan_delay, 0, "SBP scan delay in msec");
184 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, use_doorbell, CTLFLAG_RW,
185 &use_doorbell, 0, "SBP use doorbell request");
186 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, tags, CTLFLAG_RW, &sbp_tags, 0,
187 "SBP tagged queuing support");
188
189 TUNABLE_INT("hw.firewire.sbp.auto_login", &auto_login);
190 TUNABLE_INT("hw.firewire.sbp.max_speed", &max_speed);
191 TUNABLE_INT("hw.firewire.sbp.exclusive_login", &ex_login);
192 TUNABLE_INT("hw.firewire.sbp.login_delay", &login_delay);
193 TUNABLE_INT("hw.firewire.sbp.scan_delay", &scan_delay);
194 TUNABLE_INT("hw.firewire.sbp.use_doorbell", &use_doorbell);
195 TUNABLE_INT("hw.firewire.sbp.tags", &sbp_tags);
196 #elif defined(__NetBSD__)
197 static int sysctl_sbp_verify(SYSCTLFN_PROTO, int lower, int upper);
198 static int sysctl_sbp_verify_max_speed(SYSCTLFN_PROTO);
199 static int sysctl_sbp_verify_tags(SYSCTLFN_PROTO);
200
201 /*
202 * Setup sysctl(3) MIB, hw.sbp.*
203 *
204 * TBD condition CTLFLAG_PERMANENT on being a module or not
205 */
206 SYSCTL_SETUP(sysctl_sbp, "sysctl sbp(4) subtree setup")
207 {
208 int rc, sbp_node_num;
209 const struct sysctlnode *node;
210
211 if ((rc = sysctl_createv(clog, 0, NULL, NULL,
212 CTLFLAG_PERMANENT, CTLTYPE_NODE, "hw", NULL,
213 NULL, 0, NULL, 0, CTL_HW, CTL_EOL)) != 0) {
214 goto err;
215 }
216
217 if ((rc = sysctl_createv(clog, 0, NULL, &node,
218 CTLFLAG_PERMANENT, CTLTYPE_NODE, "sbp",
219 SYSCTL_DESCR("sbp controls"), NULL, 0, NULL,
220 0, CTL_HW, CTL_CREATE, CTL_EOL)) != 0) {
221 goto err;
222 }
223 sbp_node_num = node->sysctl_num;
224
225 /* sbp auto login flag */
226 if ((rc = sysctl_createv(clog, 0, NULL, &node,
227 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT,
228 "auto_login", SYSCTL_DESCR("SBP perform login automatically"),
229 NULL, 0, &auto_login,
230 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) {
231 goto err;
232 }
233
234 /* sbp max speed */
235 if ((rc = sysctl_createv(clog, 0, NULL, &node,
236 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT,
237 "max_speed", SYSCTL_DESCR("SBP transfer max speed"),
238 sysctl_sbp_verify_max_speed, 0, &max_speed,
239 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) {
240 goto err;
241 }
242
243 /* sbp exclusive login flag */
244 if ((rc = sysctl_createv(clog, 0, NULL, &node,
245 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT,
246 "exclusive_login", SYSCTL_DESCR("SBP enable exclusive login"),
247 NULL, 0, &ex_login,
248 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) {
249 goto err;
250 }
251
252 /* sbp login delay */
253 if ((rc = sysctl_createv(clog, 0, NULL, &node,
254 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT,
255 "login_delay", SYSCTL_DESCR("SBP login delay in msec"),
256 NULL, 0, &login_delay,
257 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) {
258 goto err;
259 }
260
261 /* sbp scan delay */
262 if ((rc = sysctl_createv(clog, 0, NULL, &node,
263 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT,
264 "scan_delay", SYSCTL_DESCR("SBP scan delay in msec"),
265 NULL, 0, &scan_delay,
266 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) {
267 goto err;
268 }
269
270 /* sbp use doorbell flag */
271 if ((rc = sysctl_createv(clog, 0, NULL, &node,
272 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT,
273 "use_doorbell", SYSCTL_DESCR("SBP use doorbell request"),
274 NULL, 0, &use_doorbell,
275 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) {
276 goto err;
277 }
278
279 /* sbp force tagged queuing */
280 if ((rc = sysctl_createv(clog, 0, NULL, &node,
281 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT,
282 "tags", SYSCTL_DESCR("SBP tagged queuing support"),
283 sysctl_sbp_verify_tags, 0, &sbp_tags,
284 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) {
285 goto err;
286 }
287
288 /* sbp driver debug flag */
289 if ((rc = sysctl_createv(clog, 0, NULL, &node,
290 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT,
291 "sbp_debug", SYSCTL_DESCR("SBP debug flag"),
292 NULL, 0, &debug,
293 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) {
294 goto err;
295 }
296
297 return;
298
299 err:
300 printf("%s: sysctl_createv failed (rc = %d)\n", __func__, rc);
301 }
302
303 static int
304 sysctl_sbp_verify(SYSCTLFN_ARGS, int lower, int upper)
305 {
306 int error, t;
307 struct sysctlnode node;
308
309 node = *rnode;
310 t = *(int*)rnode->sysctl_data;
311 node.sysctl_data = &t;
312 error = sysctl_lookup(SYSCTLFN_CALL(&node));
313 if (error || newp == NULL)
314 return (error);
315
316 if (t < lower || t > upper)
317 return (EINVAL);
318
319 *(int*)rnode->sysctl_data = t;
320
321 return (0);
322 }
323
324 static int
325 sysctl_sbp_verify_max_speed(SYSCTLFN_ARGS)
326 {
327 return (sysctl_sbp_verify(SYSCTLFN_CALL(rnode), 0, FWSPD_S400));
328 }
329
330 static int
331 sysctl_sbp_verify_tags(SYSCTLFN_ARGS)
332 {
333 return (sysctl_sbp_verify(SYSCTLFN_CALL(rnode), -1, 1));
334 }
335 #endif
336
337 #define NEED_RESPONSE 0
338
339 #define SBP_SEG_MAX rounddown(0xffff, PAGE_SIZE)
340 #ifdef __sparc64__ /* iommu */
341 #define SBP_IND_MAX howmany(SBP_MAXPHYS, SBP_SEG_MAX)
342 #else
343 #define SBP_IND_MAX howmany(SBP_MAXPHYS, PAGE_SIZE)
344 #endif
345 struct sbp_ocb {
346 STAILQ_ENTRY(sbp_ocb) ocb;
347 sbp_scsi_xfer *sxfer;
348 bus_addr_t bus_addr;
349 uint32_t orb[8];
350 #define IND_PTR_OFFSET (8*sizeof(uint32_t))
351 struct ind_ptr ind_ptr[SBP_IND_MAX];
352 struct sbp_dev *sdev;
353 int flags; /* XXX should be removed */
354 bus_dmamap_t dmamap;
355 };
356
357 #define OCB_ACT_MGM 0
358 #define OCB_ACT_CMD 1
359 #define OCB_MATCH(o,s) ((o)->bus_addr == ntohl((s)->orb_lo))
360
361 struct sbp_dev{
362 #define SBP_DEV_RESET 0 /* accept login */
363 #define SBP_DEV_LOGIN 1 /* to login */
364 #if 0
365 #define SBP_DEV_RECONN 2 /* to reconnect */
366 #endif
367 #define SBP_DEV_TOATTACH 3 /* to attach */
368 #define SBP_DEV_PROBE 4 /* scan lun */
369 #define SBP_DEV_ATTACHED 5 /* in operation */
370 #define SBP_DEV_DEAD 6 /* unavailable unit */
371 #define SBP_DEV_RETRY 7 /* unavailable unit */
372 uint8_t status:4,
373 timeout:4;
374 uint8_t type;
375 uint16_t lun_id;
376 uint16_t freeze;
377 #define ORB_LINK_DEAD (1 << 0)
378 #define VALID_LUN (1 << 1)
379 #define ORB_POINTER_ACTIVE (1 << 2)
380 #define ORB_POINTER_NEED (1 << 3)
381 #define ORB_DOORBELL_ACTIVE (1 << 4)
382 #define ORB_DOORBELL_NEED (1 << 5)
383 #define ORB_SHORTAGE (1 << 6)
384 uint16_t flags;
385 #if defined(__FreeBSD__)
386 struct cam_path *path;
387 #elif defined(__NetBSD__)
388 struct scsipi_periph *periph;
389 #endif
390 struct sbp_target *target;
391 struct fwdma_alloc dma;
392 struct sbp_login_res *login;
393 struct callout login_callout;
394 struct sbp_ocb *ocb;
395 STAILQ_HEAD(, sbp_ocb) ocbs;
396 STAILQ_HEAD(, sbp_ocb) free_ocbs;
397 struct sbp_ocb *last_ocb;
398 char vendor[32];
399 char product[32];
400 char revision[10];
401 };
402
403 struct sbp_target {
404 int target_id;
405 int num_lun;
406 struct sbp_dev **luns;
407 struct sbp_softc *sbp;
408 struct fw_device *fwdev;
409 uint32_t mgm_hi, mgm_lo;
410 struct sbp_ocb *mgm_ocb_cur;
411 STAILQ_HEAD(, sbp_ocb) mgm_ocb_queue;
412 struct callout mgm_ocb_timeout;
413 struct callout scan_callout;
414 STAILQ_HEAD(, fw_xfer) xferlist;
415 int n_xfer;
416 };
417
418 struct sbp_softc {
419 struct firewire_dev_comm fd;
420 #if defined(__FreeBSD__)
421 struct cam_sim *sim;
422 struct cam_path *path;
423 #elif defined(__NetBSD__)
424 struct scsipi_adapter sc_adapter;
425 struct scsipi_channel sc_channel;
426 device_t sc_bus;
427 struct lwp *lwp;
428 #endif
429 struct sbp_target target;
430 struct fw_bind fwb;
431 fw_bus_dma_tag_t dmat;
432 struct timeval last_busreset;
433 #define SIMQ_FREEZED 1
434 int flags;
435 fw_mtx_t mtx;
436 };
437 #define SBP_LOCK(sbp) fw_mtx_lock(&(sbp)->mtx)
438 #define SBP_UNLOCK(sbp) fw_mtx_unlock(&(sbp)->mtx)
439
440 #if defined(__NetBSD__)
441 int sbpmatch (device_t, cfdata_t, void *);
442 void sbpattach (device_t parent, device_t self, void *aux);
443 int sbpdetach (device_t self, int flags);
444 #endif
445 static void sbp_post_explore (void *);
446 static void sbp_recv (struct fw_xfer *);
447 static void sbp_mgm_callback (struct fw_xfer *);
448 #if 0
449 static void sbp_cmd_callback (struct fw_xfer *);
450 #endif
451 static void sbp_orb_pointer (struct sbp_dev *, struct sbp_ocb *);
452 static void sbp_doorbell(struct sbp_dev *);
453 static void sbp_execute_ocb (void *, bus_dma_segment_t *, int, int);
454 static void sbp_free_ocb (struct sbp_dev *, struct sbp_ocb *);
455 static void sbp_abort_ocb (struct sbp_ocb *, int);
456 static void sbp_abort_all_ocbs (struct sbp_dev *, int);
457 static struct fw_xfer * sbp_write_cmd (struct sbp_dev *, int, int);
458 static struct sbp_ocb * sbp_get_ocb (struct sbp_dev *);
459 static struct sbp_ocb * sbp_enqueue_ocb (struct sbp_dev *, struct sbp_ocb *);
460 static struct sbp_ocb * sbp_dequeue_ocb (struct sbp_dev *, struct sbp_status *);
461 static void sbp_free_sdev(struct sbp_dev *);
462 static void sbp_free_target (struct sbp_target *);
463 static void sbp_mgm_timeout (void *arg);
464 static void sbp_timeout (void *arg);
465 static void sbp_mgm_orb (struct sbp_dev *, int, struct sbp_ocb *);
466 #if defined(__FreeBSD__)
467
468 MALLOC_DEFINE(M_SBP, "sbp", "SBP-II/FireWire");
469 #elif defined(__NetBSD__)
470 static void sbp_scsipi_request(
471 struct scsipi_channel *, scsipi_adapter_req_t, void *);
472 static void sbp_minphys(struct buf *);
473
474 MALLOC_DEFINE(M_SBP, "sbp", "SBP-II/IEEE1394");
475 #endif
476
477 #if defined(__FreeBSD__)
478 /* cam related functions */
479 static void sbp_action(struct cam_sim *, sbp_scsi_xfer *sxfer);
480 static void sbp_poll(struct cam_sim *);
481 static void sbp_cam_scan_lun(struct cam_periph *, sbp_scsi_xfer *);
482 static void sbp_cam_scan_target(void *);
483 static void sbp_cam_detach_sdev(struct sbp_dev *);
484 static void sbp_cam_detach_target (struct sbp_target *);
485 #define SBP_DETACH_SDEV(sd) sbp_cam_detach_sdev((sd))
486 #define SBP_DETACH_TARGET(st) sbp_cam_detach_target((st))
487 #elif defined(__NetBSD__)
488 /* scsipi related functions */
489 static void sbp_scsipi_scan_target(void *);
490 static void sbp_scsipi_detach_sdev(struct sbp_dev *);
491 static void sbp_scsipi_detach_target (struct sbp_target *);
492 #define SBP_DETACH_SDEV(sd) sbp_scsipi_detach_sdev((sd))
493 #define SBP_DETACH_TARGET(st) sbp_scsipi_detach_target((st))
494 #endif
495
496 static const char *orb_status0[] = {
497 /* 0 */ "No additional information to report",
498 /* 1 */ "Request type not supported",
499 /* 2 */ "Speed not supported",
500 /* 3 */ "Page size not supported",
501 /* 4 */ "Access denied",
502 /* 5 */ "Logical unit not supported",
503 /* 6 */ "Maximum payload too small",
504 /* 7 */ "Reserved for future standardization",
505 /* 8 */ "Resources unavailable",
506 /* 9 */ "Function rejected",
507 /* A */ "Login ID not recognized",
508 /* B */ "Dummy ORB completed",
509 /* C */ "Request aborted",
510 /* FF */ "Unspecified error"
511 #define MAX_ORB_STATUS0 0xd
512 };
513
514 static const char *orb_status1_object[] = {
515 /* 0 */ "Operation request block (ORB)",
516 /* 1 */ "Data buffer",
517 /* 2 */ "Page table",
518 /* 3 */ "Unable to specify"
519 };
520
521 static const char *orb_status1_serial_bus_error[] = {
522 /* 0 */ "Missing acknowledge",
523 /* 1 */ "Reserved; not to be used",
524 /* 2 */ "Time-out error",
525 /* 3 */ "Reserved; not to be used",
526 /* 4 */ "Busy retry limit exceeded(X)",
527 /* 5 */ "Busy retry limit exceeded(A)",
528 /* 6 */ "Busy retry limit exceeded(B)",
529 /* 7 */ "Reserved for future standardization",
530 /* 8 */ "Reserved for future standardization",
531 /* 9 */ "Reserved for future standardization",
532 /* A */ "Reserved for future standardization",
533 /* B */ "Tardy retry limit exceeded",
534 /* C */ "Conflict error",
535 /* D */ "Data error",
536 /* E */ "Type error",
537 /* F */ "Address error"
538 };
539
540 #if defined(__FreeBSD__)
541 #if 0
542 static void
543 sbp_identify(driver_t *driver, device_t parent)
544 {
545 device_t child;
546 SBP_DEBUG(0)
547 printf("sbp_identify\n");
548 END_DEBUG
549
550 child = BUS_ADD_CHILD(parent, 0, "sbp", fw_get_unit(parent));
551 }
552 #endif
553
554 /*
555 * sbp_probe()
556 */
557 static int
558 sbp_probe(device_t dev)
559 {
560 device_t pa;
561
562 SBP_DEBUG(0)
563 printf("sbp_probe\n");
564 END_DEBUG
565
566 pa = device_get_parent(dev);
567 if(fw_get_unit(dev) != fw_get_unit(pa)){
568 return(ENXIO);
569 }
570
571 device_set_desc(dev, "SBP-2/SCSI over FireWire");
572
573 #if 0
574 if (bootverbose)
575 debug = bootverbose;
576 #endif
577
578 return (0);
579 }
580 #elif defined(__NetBSD__)
581 int
582 sbpmatch(device_t parent, cfdata_t cf, void *aux)
583 {
584 struct fw_attach_args *fwa = aux;
585
586 if (strcmp(fwa->name, "sbp") == 0)
587 return 1;
588 return 0;
589 }
590 #endif
591
592 static void
593 sbp_show_sdev_info(struct sbp_dev *sdev, int new)
594 {
595 struct fw_device *fwdev;
596
597 printf("%s:%d:%d ",
598 fw_get_nameunit(sdev->target->sbp->fd.dev),
599 sdev->target->target_id,
600 sdev->lun_id
601 );
602 if (new == 2) {
603 return;
604 }
605 fwdev = sdev->target->fwdev;
606 printf("ordered:%d type:%d EUI:%08x%08x node:%d "
607 "speed:%d maxrec:%d",
608 (sdev->type & 0x40) >> 6,
609 (sdev->type & 0x1f),
610 fwdev->eui.hi,
611 fwdev->eui.lo,
612 fwdev->dst,
613 fwdev->speed,
614 fwdev->maxrec
615 );
616 if (new)
617 printf(" new!\n");
618 else
619 printf("\n");
620 sbp_show_sdev_info(sdev, 2);
621 printf("'%s' '%s' '%s'\n", sdev->vendor, sdev->product, sdev->revision);
622 }
623
624 static void
625 sbp_alloc_lun(struct sbp_target *target)
626 {
627 struct crom_context cc;
628 struct csrreg *reg;
629 struct sbp_dev *sdev, **newluns;
630 struct sbp_softc *sbp;
631 int maxlun, lun, i;
632
633 sbp = target->sbp;
634 crom_init_context(&cc, target->fwdev->csrrom);
635 /* XXX shoud parse appropriate unit directories only */
636 maxlun = -1;
637 while (cc.depth >= 0) {
638 reg = crom_search_key(&cc, CROM_LUN);
639 if (reg == NULL)
640 break;
641 lun = reg->val & 0xffff;
642 SBP_DEBUG(0)
643 printf("target %d lun %d found\n", target->target_id, lun);
644 END_DEBUG
645 if (maxlun < lun)
646 maxlun = lun;
647 crom_next(&cc);
648 }
649 if (maxlun < 0)
650 printf("%s:%d no LUN found\n",
651 fw_get_nameunit(target->sbp->fd.dev),
652 target->target_id);
653
654 maxlun ++;
655 if (maxlun >= SBP_NUM_LUNS)
656 maxlun = SBP_NUM_LUNS;
657
658 /* Invalidiate stale devices */
659 for (lun = 0; lun < target->num_lun; lun ++) {
660 sdev = target->luns[lun];
661 if (sdev == NULL)
662 continue;
663 sdev->flags &= ~VALID_LUN;
664 if (lun >= maxlun) {
665 /* lost device */
666 SBP_DETACH_SDEV(sdev);
667 sbp_free_sdev(sdev);
668 }
669 }
670
671 /* Reallocate */
672 if (maxlun != target->num_lun) {
673 newluns = (struct sbp_dev **) realloc(target->luns,
674 sizeof(struct sbp_dev *) * maxlun,
675 M_SBP, M_NOWAIT | M_ZERO);
676
677 if (newluns == NULL) {
678 printf("%s: realloc failed\n", __func__);
679 newluns = target->luns;
680 maxlun = target->num_lun;
681 }
682
683 /*
684 * We must zero the extended region for the case
685 * realloc() doesn't allocate new buffer.
686 */
687 if (maxlun > target->num_lun)
688 memset(&newluns[target->num_lun], 0,
689 sizeof(struct sbp_dev *) *
690 (maxlun - target->num_lun));
691
692 target->luns = newluns;
693 target->num_lun = maxlun;
694 }
695
696 crom_init_context(&cc, target->fwdev->csrrom);
697 while (cc.depth >= 0) {
698 int new = 0;
699
700 reg = crom_search_key(&cc, CROM_LUN);
701 if (reg == NULL)
702 break;
703 lun = reg->val & 0xffff;
704 if (lun >= SBP_NUM_LUNS) {
705 printf("too large lun %d\n", lun);
706 goto next;
707 }
708
709 sdev = target->luns[lun];
710 if (sdev == NULL) {
711 sdev = malloc(sizeof(struct sbp_dev),
712 M_SBP, M_NOWAIT | M_ZERO);
713 if (sdev == NULL) {
714 printf("%s: malloc failed\n", __func__);
715 goto next;
716 }
717 target->luns[lun] = sdev;
718 sdev->lun_id = lun;
719 sdev->target = target;
720 STAILQ_INIT(&sdev->ocbs);
721 fw_callout_init(&sdev->login_callout);
722 sdev->status = SBP_DEV_RESET;
723 new = 1;
724 SBP_DEVICE_PREATTACH();
725 }
726 sdev->flags |= VALID_LUN;
727 sdev->type = (reg->val & 0xff0000) >> 16;
728
729 if (new == 0)
730 goto next;
731
732 fwdma_malloc(sbp->fd.fc,
733 /* alignment */ sizeof(uint32_t),
734 SBP_DMA_SIZE, &sdev->dma, BUS_DMA_NOWAIT);
735 if (sdev->dma.v_addr == NULL) {
736 printf("%s: dma space allocation failed\n",
737 __func__);
738 free(sdev, M_SBP);
739 target->luns[lun] = NULL;
740 goto next;
741 }
742 sdev->login = (struct sbp_login_res *) sdev->dma.v_addr;
743 sdev->ocb = (struct sbp_ocb *)
744 ((char *)sdev->dma.v_addr + SBP_LOGIN_SIZE);
745 memset((char *)sdev->ocb, 0,
746 sizeof (struct sbp_ocb) * SBP_QUEUE_LEN);
747
748 STAILQ_INIT(&sdev->free_ocbs);
749 for (i = 0; i < SBP_QUEUE_LEN; i++) {
750 struct sbp_ocb *ocb;
751 ocb = &sdev->ocb[i];
752 ocb->bus_addr = sdev->dma.bus_addr
753 + SBP_LOGIN_SIZE
754 + sizeof(struct sbp_ocb) * i
755 + offsetof(struct sbp_ocb, orb[0]);
756 if (fw_bus_dmamap_create(sbp->dmat, 0, &ocb->dmamap)) {
757 printf("sbp_attach: cannot create dmamap\n");
758 /* XXX */
759 goto next;
760 }
761 sbp_free_ocb(sdev, ocb);
762 }
763 next:
764 crom_next(&cc);
765 }
766
767 for (lun = 0; lun < target->num_lun; lun ++) {
768 sdev = target->luns[lun];
769 if (sdev != NULL && (sdev->flags & VALID_LUN) == 0) {
770 SBP_DETACH_SDEV(sdev);
771 sbp_free_sdev(sdev);
772 target->luns[lun] = NULL;
773 }
774 }
775 }
776
777 static struct sbp_target *
778 sbp_alloc_target(struct sbp_softc *sbp, struct fw_device *fwdev)
779 {
780 struct sbp_target *target;
781 struct crom_context cc;
782 struct csrreg *reg;
783
784 SBP_DEBUG(1)
785 printf("sbp_alloc_target\n");
786 END_DEBUG
787 /* new target */
788 target = &sbp->target;
789 target->sbp = sbp;
790 target->fwdev = fwdev;
791 target->target_id = 0;
792 /* XXX we may want to reload mgm port after each bus reset */
793 /* XXX there might be multiple management agents */
794 crom_init_context(&cc, target->fwdev->csrrom);
795 reg = crom_search_key(&cc, CROM_MGM);
796 if (reg == NULL || reg->val == 0) {
797 printf("NULL management address\n");
798 target->fwdev = NULL;
799 return NULL;
800 }
801 target->mgm_hi = 0xffff;
802 target->mgm_lo = 0xf0000000 | (reg->val << 2);
803 target->mgm_ocb_cur = NULL;
804 SBP_DEBUG(1)
805 printf("target: mgm_port: %x\n", target->mgm_lo);
806 END_DEBUG
807 STAILQ_INIT(&target->xferlist);
808 target->n_xfer = 0;
809 STAILQ_INIT(&target->mgm_ocb_queue);
810 fw_callout_init(&target->mgm_ocb_timeout);
811 fw_callout_init(&target->scan_callout);
812
813 target->luns = NULL;
814 target->num_lun = 0;
815 return target;
816 }
817
818 static void
819 sbp_probe_lun(struct sbp_dev *sdev)
820 {
821 struct fw_device *fwdev;
822 struct crom_context c, *cc = &c;
823 struct csrreg *reg;
824
825 memset(sdev->vendor, 0, sizeof(sdev->vendor));
826 memset(sdev->product, 0, sizeof(sdev->product));
827
828 fwdev = sdev->target->fwdev;
829 crom_init_context(cc, fwdev->csrrom);
830 /* get vendor string */
831 crom_search_key(cc, CSRKEY_VENDOR);
832 crom_next(cc);
833 crom_parse_text(cc, sdev->vendor, sizeof(sdev->vendor));
834 /* skip to the unit directory for SBP-2 */
835 while ((reg = crom_search_key(cc, CSRKEY_VER)) != NULL) {
836 if (reg->val == CSRVAL_T10SBP2)
837 break;
838 crom_next(cc);
839 }
840 /* get firmware revision */
841 reg = crom_search_key(cc, CSRKEY_FIRM_VER);
842 if (reg != NULL)
843 snprintf(sdev->revision, sizeof(sdev->revision),
844 "%06x", reg->val);
845 /* get product string */
846 crom_search_key(cc, CSRKEY_MODEL);
847 crom_next(cc);
848 crom_parse_text(cc, sdev->product, sizeof(sdev->product));
849 }
850
851 static void
852 sbp_login_callout(void *arg)
853 {
854 struct sbp_dev *sdev = (struct sbp_dev *)arg;
855 sbp_mgm_orb(sdev, ORB_FUN_LGI, NULL);
856 }
857
858 static void
859 sbp_login(struct sbp_dev *sdev)
860 {
861 struct timeval delta;
862 struct timeval t;
863 int ticks = 0;
864
865 microtime(&delta);
866 fw_timevalsub(&delta, &sdev->target->sbp->last_busreset);
867 t.tv_sec = login_delay / 1000;
868 t.tv_usec = (login_delay % 1000) * 1000;
869 fw_timevalsub(&t, &delta);
870 if (t.tv_sec >= 0 && t.tv_usec > 0)
871 ticks = (t.tv_sec * 1000 + t.tv_usec / 1000) * hz / 1000;
872 SBP_DEBUG(0)
873 printf("%s: sec = %lld usec = %ld ticks = %d\n", __func__,
874 (long long)t.tv_sec, (long)t.tv_usec, ticks);
875 END_DEBUG
876 fw_callout_reset(&sdev->login_callout, ticks,
877 sbp_login_callout, (void *)(sdev));
878 }
879
880 static void
881 sbp_probe_target(void *arg)
882 {
883 struct sbp_target *target = (struct sbp_target *)arg;
884 struct sbp_softc *sbp;
885 struct sbp_dev *sdev;
886 struct firewire_comm *fc;
887 int i;
888
889 SBP_DEBUG(1)
890 printf("sbp_probe_target %d\n", target->target_id);
891 END_DEBUG
892
893 sbp = target->sbp;
894 fc = target->sbp->fd.fc;
895 sbp_alloc_lun(target);
896
897 /* XXX untimeout mgm_ocb and dequeue */
898 for (i=0; i < target->num_lun; i++) {
899 sdev = target->luns[i];
900 if (sdev == NULL)
901 continue;
902 if (sdev->status != SBP_DEV_DEAD) {
903 if (SBP_DEVICE(sdev) != NULL) {
904 SBP_LOCK(sbp);
905 SBP_DEVICE_FREEZE(sdev, 1);
906 sdev->freeze ++;
907 SBP_UNLOCK(sbp);
908 }
909 sbp_probe_lun(sdev);
910 SBP_DEBUG(0)
911 sbp_show_sdev_info(sdev,
912 (sdev->status == SBP_DEV_RESET));
913 END_DEBUG
914
915 sbp_abort_all_ocbs(sdev, XS_SCSI_BUS_RESET);
916 switch (sdev->status) {
917 case SBP_DEV_RESET:
918 /* new or revived target */
919 if (auto_login)
920 sbp_login(sdev);
921 break;
922 case SBP_DEV_TOATTACH:
923 case SBP_DEV_PROBE:
924 case SBP_DEV_ATTACHED:
925 case SBP_DEV_RETRY:
926 default:
927 sbp_mgm_orb(sdev, ORB_FUN_RCN, NULL);
928 break;
929 }
930 } else {
931 switch (sdev->status) {
932 case SBP_DEV_ATTACHED:
933 SBP_DEBUG(0)
934 /* the device has gone */
935 sbp_show_sdev_info(sdev, 2);
936 printf("lost target\n");
937 END_DEBUG
938 if (SBP_DEVICE(sdev) != NULL) {
939 SBP_LOCK(sbp);
940 SBP_DEVICE_FREEZE(sdev, 1);
941 sdev->freeze ++;
942 SBP_UNLOCK(sbp);
943 }
944 sdev->status = SBP_DEV_RETRY;
945 sbp_abort_all_ocbs(sdev, XS_SCSI_BUS_RESET);
946 break;
947 case SBP_DEV_PROBE:
948 case SBP_DEV_TOATTACH:
949 sdev->status = SBP_DEV_RESET;
950 break;
951 case SBP_DEV_RETRY:
952 case SBP_DEV_RESET:
953 case SBP_DEV_DEAD:
954 break;
955 }
956 }
957 }
958 }
959
960 #define SBP_FWDEV_ALIVE(fwdev) (((fwdev)->status == FWDEVATTACHED) \
961 && crom_has_specver((fwdev)->csrrom, CSRVAL_ANSIT10, CSRVAL_T10SBP2))
962
963 static void
964 sbp_post_busreset(void *arg)
965 {
966 struct sbp_softc *sbp = (struct sbp_softc *)arg;
967 struct sbp_target *target = &sbp->target;
968 struct fw_device *fwdev = target->fwdev;
969 int alive;
970
971 alive = SBP_FWDEV_ALIVE(fwdev);
972 SBP_DEBUG(0)
973 printf("sbp_post_busreset\n");
974 if (!alive)
975 printf("not alive\n");
976 END_DEBUG
977 microtime(&sbp->last_busreset);
978
979 if (!alive)
980 return;
981
982 SBP_LOCK(sbp);
983 SBP_BUS_FREEZE(sbp);
984 SBP_UNLOCK(sbp);
985 }
986
987 static void
988 sbp_post_explore(void *arg)
989 {
990 struct sbp_softc *sbp = (struct sbp_softc *)arg;
991 struct sbp_target *target = &sbp->target;
992 struct fw_device *fwdev = target->fwdev;
993 int alive;
994
995 alive = SBP_FWDEV_ALIVE(fwdev);
996 SBP_DEBUG(0)
997 printf("sbp_post_explore (sbp_cold=%d)\n", sbp_cold);
998 if (!alive)
999 printf("not alive\n");
1000 END_DEBUG
1001 if (!alive)
1002 return;
1003
1004 if (sbp_cold > 0)
1005 sbp_cold --;
1006
1007 #if 0
1008 /*
1009 * XXX don't let CAM the bus rest.
1010 * CAM tries to do something with freezed (DEV_RETRY) devices.
1011 */
1012 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL);
1013 #endif
1014
1015 SBP_DEBUG(0)
1016 printf("sbp_post_explore: EUI:%08x%08x ", fwdev->eui.hi, fwdev->eui.lo);
1017 END_DEBUG
1018 sbp_probe_target((void *)target);
1019 if (target->num_lun == 0)
1020 sbp_free_target(target);
1021
1022 SBP_LOCK(sbp);
1023 SBP_BUS_THAW(sbp);
1024 SBP_UNLOCK(sbp);
1025 }
1026
1027 #if NEED_RESPONSE
1028 static void
1029 sbp_loginres_callback(struct fw_xfer *xfer){
1030 int s;
1031 struct sbp_dev *sdev;
1032 sdev = (struct sbp_dev *)xfer->sc;
1033 SBP_DEBUG(1)
1034 sbp_show_sdev_info(sdev, 2);
1035 printf("sbp_loginres_callback\n");
1036 END_DEBUG
1037 /* recycle */
1038 s = splfw();
1039 STAILQ_INSERT_TAIL(&sdev->target->sbp->fwb.xferlist, xfer, link);
1040 splx(s);
1041 return;
1042 }
1043 #endif
1044
1045 static inline void
1046 sbp_xfer_free(struct fw_xfer *xfer)
1047 {
1048 struct sbp_dev *sdev;
1049 int s;
1050
1051 sdev = (struct sbp_dev *)xfer->sc;
1052 fw_xfer_unload(xfer);
1053 s = splfw();
1054 SBP_LOCK(sdev->target->sbp);
1055 STAILQ_INSERT_TAIL(&sdev->target->xferlist, xfer, link);
1056 SBP_UNLOCK(sdev->target->sbp);
1057 splx(s);
1058 }
1059
1060 static void
1061 sbp_reset_start_callback(struct fw_xfer *xfer)
1062 {
1063 struct sbp_dev *tsdev, *sdev = (struct sbp_dev *)xfer->sc;
1064 struct sbp_target *target = sdev->target;
1065 int i;
1066
1067 if (xfer->resp != 0) {
1068 sbp_show_sdev_info(sdev, 2);
1069 printf("sbp_reset_start failed: resp=%d\n", xfer->resp);
1070 }
1071
1072 for (i = 0; i < target->num_lun; i++) {
1073 tsdev = target->luns[i];
1074 if (tsdev != NULL && tsdev->status == SBP_DEV_LOGIN)
1075 sbp_login(tsdev);
1076 }
1077 }
1078
1079 static void
1080 sbp_reset_start(struct sbp_dev *sdev)
1081 {
1082 struct fw_xfer *xfer;
1083 struct fw_pkt *fp;
1084
1085 SBP_DEBUG(0)
1086 sbp_show_sdev_info(sdev, 2);
1087 printf("sbp_reset_start\n");
1088 END_DEBUG
1089
1090 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0);
1091 xfer->hand = sbp_reset_start_callback;
1092 fp = &xfer->send.hdr;
1093 fp->mode.wreqq.dest_hi = 0xffff;
1094 fp->mode.wreqq.dest_lo = 0xf0000000 | RESET_START;
1095 fp->mode.wreqq.data = htonl(0xf);
1096 fw_asyreq(xfer->fc, -1, xfer);
1097 }
1098
1099 static void
1100 sbp_mgm_callback(struct fw_xfer *xfer)
1101 {
1102 struct sbp_dev *sdev;
1103 int resp;
1104
1105 sdev = (struct sbp_dev *)xfer->sc;
1106
1107 SBP_DEBUG(1)
1108 sbp_show_sdev_info(sdev, 2);
1109 printf("sbp_mgm_callback\n");
1110 END_DEBUG
1111 resp = xfer->resp;
1112 sbp_xfer_free(xfer);
1113 #if 0
1114 if (resp != 0) {
1115 sbp_show_sdev_info(sdev, 2);
1116 printf("management ORB failed(%d) ... RESET_START\n", resp);
1117 sbp_reset_start(sdev);
1118 }
1119 #endif
1120 return;
1121 }
1122
1123 #if defined(__FreeBSD__)
1124 static struct sbp_dev *
1125 sbp_next_dev(struct sbp_target *target, int lun)
1126 {
1127 struct sbp_dev **sdevp;
1128 int i;
1129
1130 for (i = lun, sdevp = &target->luns[lun]; i < target->num_lun;
1131 i++, sdevp++)
1132 if (*sdevp != NULL && (*sdevp)->status == SBP_DEV_PROBE)
1133 return(*sdevp);
1134 return(NULL);
1135 }
1136
1137 #define SCAN_PRI 1
1138 static void
1139 sbp_cam_scan_lun(struct cam_periph *periph, sbp_scsi_xfer *sxfer)
1140 {
1141 struct sbp_target *target;
1142 struct sbp_dev *sdev;
1143
1144 sdev = (struct sbp_dev *) sxfer->ccb_h.ccb_sdev_ptr;
1145 target = sdev->target;
1146 SBP_DEBUG(0)
1147 sbp_show_sdev_info(sdev, 2);
1148 printf("sbp_cam_scan_lun\n");
1149 END_DEBUG
1150 if ((SCSI_XFER_ERROR(sxfer) & CAM_STATUS_MASK) == XS_REQ_CMP) {
1151 sdev->status = SBP_DEV_ATTACHED;
1152 } else {
1153 sbp_show_sdev_info(sdev, 2);
1154 printf("scan failed\n");
1155 }
1156 sdev = sbp_next_dev(target, sdev->lun_id + 1);
1157 if (sdev == NULL) {
1158 free(sxfer, M_SBP);
1159 return;
1160 }
1161 /* reuse sxfer */
1162 xpt_setup_ccb(&sxfer->ccb_h, sdev->path, SCAN_PRI);
1163 sxfer->ccb_h.ccb_sdev_ptr = sdev;
1164 xpt_action(sxfer);
1165 xpt_release_devq(sdev->path, sdev->freeze, TRUE);
1166 sdev->freeze = 1;
1167 }
1168
1169 static void
1170 sbp_cam_scan_target(void *arg)
1171 {
1172 struct sbp_target *target = (struct sbp_target *)arg;
1173 struct sbp_dev *sdev;
1174 sbp_scsi_xfer *sxfer;
1175
1176 sdev = sbp_next_dev(target, 0);
1177 if (sdev == NULL) {
1178 printf("sbp_cam_scan_target: nothing to do for target%d\n",
1179 target->target_id);
1180 return;
1181 }
1182 SBP_DEBUG(0)
1183 sbp_show_sdev_info(sdev, 2);
1184 printf("sbp_cam_scan_target\n");
1185 END_DEBUG
1186 sxfer = malloc(sizeof(sbp_scsi_xfer), M_SBP, M_NOWAIT | M_ZERO);
1187 if (sxfer == NULL) {
1188 printf("sbp_cam_scan_target: malloc failed\n");
1189 return;
1190 }
1191 xpt_setup_ccb(&sxfer->ccb_h, sdev->path, SCAN_PRI);
1192 sxfer->ccb_h.func_code = XPT_SCAN_LUN;
1193 sxfer->ccb_h.cbfcnp = sbp_cam_scan_lun;
1194 sxfer->ccb_h.flags |= CAM_DEV_QFREEZE;
1195 sxfer->crcn.flags = CAM_FLAG_NONE;
1196 sxfer->ccb_h.ccb_sdev_ptr = sdev;
1197
1198 /* The scan is in progress now. */
1199 SBP_LOCK(target->sbp);
1200 xpt_action(sxfer);
1201 xpt_release_devq(sdev->path, sdev->freeze, TRUE);
1202 sdev->freeze = 1;
1203 SBP_UNLOCK(target->sbp);
1204 }
1205
1206 static inline void
1207 sbp_scan_dev(struct sbp_dev *sdev)
1208 {
1209 sdev->status = SBP_DEV_PROBE;
1210 fw_callout_reset(&sdev->target->scan_callout, scan_delay * hz / 1000,
1211 sbp_cam_scan_target, (void *)sdev->target);
1212 }
1213 #elif defined(__NetBSD__)
1214 static void
1215 sbp_scsipi_scan_target(void *arg)
1216 {
1217 struct sbp_target *target = (struct sbp_target *)arg;
1218 struct sbp_softc *sbp = target->sbp;
1219 struct sbp_dev *sdev;
1220 struct scsipi_channel *chan = &sbp->sc_channel;
1221 struct scsibus_softc *sc_bus = device_private(sbp->sc_bus);
1222 int lun, yet;
1223
1224 do {
1225 tsleep(target, PWAIT|PCATCH, "-", 0);
1226 yet = 0;
1227
1228 for (lun = 0; lun < target->num_lun; lun ++) {
1229 sdev = target->luns[lun];
1230 if (sdev == NULL)
1231 continue;
1232 if (sdev->status != SBP_DEV_PROBE) {
1233 yet ++;
1234 continue;
1235 }
1236
1237 if (sdev->periph == NULL) {
1238 if (chan->chan_nluns < target->num_lun)
1239 chan->chan_nluns = target->num_lun;
1240
1241 scsi_probe_bus(sc_bus,
1242 target->target_id, sdev->lun_id);
1243 sdev->periph = scsipi_lookup_periph(
1244 chan, target->target_id, lun);
1245 }
1246 sdev->status = SBP_DEV_ATTACHED;
1247 }
1248 } while (yet > 0);
1249
1250 sbp->lwp = NULL;
1251 kthread_exit(0);
1252 }
1253
1254 static inline void
1255 sbp_scan_dev(struct sbp_dev *sdev)
1256 {
1257 sdev->status = SBP_DEV_PROBE;
1258 wakeup(sdev->target);
1259 }
1260 #endif
1261
1262
1263 static void
1264 sbp_do_attach(struct fw_xfer *xfer)
1265 {
1266 struct sbp_dev *sdev;
1267 struct sbp_target *target;
1268 struct sbp_softc *sbp;
1269
1270 sdev = (struct sbp_dev *)xfer->sc;
1271 target = sdev->target;
1272 sbp = target->sbp;
1273
1274 SBP_DEBUG(0)
1275 sbp_show_sdev_info(sdev, 2);
1276 printf("sbp_do_attach\n");
1277 END_DEBUG
1278 sbp_xfer_free(xfer);
1279
1280 #if defined(__FreeBSD__)
1281 if (sdev->path == NULL)
1282 xpt_create_path(&sdev->path, xpt_periph,
1283 cam_sim_path(target->sbp->sim),
1284 target->target_id, sdev->lun_id);
1285
1286 /*
1287 * Let CAM scan the bus if we are in the boot process.
1288 * XXX xpt_scan_bus cannot detect LUN larger than 0
1289 * if LUN 0 doesn't exists.
1290 */
1291 if (sbp_cold > 0) {
1292 sdev->status = SBP_DEV_ATTACHED;
1293 return;
1294 }
1295 #endif
1296
1297 sbp_scan_dev(sdev);
1298 return;
1299 }
1300
1301 static void
1302 sbp_agent_reset_callback(struct fw_xfer *xfer)
1303 {
1304 struct sbp_dev *sdev;
1305
1306 sdev = (struct sbp_dev *)xfer->sc;
1307 SBP_DEBUG(1)
1308 sbp_show_sdev_info(sdev, 2);
1309 printf("%s\n", __func__);
1310 END_DEBUG
1311 if (xfer->resp != 0) {
1312 sbp_show_sdev_info(sdev, 2);
1313 printf("%s: resp=%d\n", __func__, xfer->resp);
1314 }
1315
1316 sbp_xfer_free(xfer);
1317 if (SBP_DEVICE(sdev)) {
1318 SBP_LOCK(sdev->target->sbp);
1319 SBP_DEVICE_THAW(sdev, sdev->freeze);
1320 sdev->freeze = 0;
1321 SBP_UNLOCK(sdev->target->sbp);
1322 }
1323 }
1324
1325 static void
1326 sbp_agent_reset(struct sbp_dev *sdev)
1327 {
1328 struct fw_xfer *xfer;
1329 struct fw_pkt *fp;
1330
1331 SBP_DEBUG(0)
1332 sbp_show_sdev_info(sdev, 2);
1333 printf("sbp_agent_reset\n");
1334 END_DEBUG
1335 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x04);
1336 if (xfer == NULL)
1337 return;
1338 if (sdev->status == SBP_DEV_ATTACHED || sdev->status == SBP_DEV_PROBE)
1339 xfer->hand = sbp_agent_reset_callback;
1340 else
1341 xfer->hand = sbp_do_attach;
1342 fp = &xfer->send.hdr;
1343 fp->mode.wreqq.data = htonl(0xf);
1344 fw_asyreq(xfer->fc, -1, xfer);
1345 sbp_abort_all_ocbs(sdev, XS_BDR_SENT);
1346 }
1347
1348 static void
1349 sbp_busy_timeout_callback(struct fw_xfer *xfer)
1350 {
1351 struct sbp_dev *sdev;
1352
1353 sdev = (struct sbp_dev *)xfer->sc;
1354 SBP_DEBUG(1)
1355 sbp_show_sdev_info(sdev, 2);
1356 printf("sbp_busy_timeout_callback\n");
1357 END_DEBUG
1358 sbp_xfer_free(xfer);
1359 sbp_agent_reset(sdev);
1360 }
1361
1362 static void
1363 sbp_busy_timeout(struct sbp_dev *sdev)
1364 {
1365 struct fw_pkt *fp;
1366 struct fw_xfer *xfer;
1367 SBP_DEBUG(0)
1368 sbp_show_sdev_info(sdev, 2);
1369 printf("sbp_busy_timeout\n");
1370 END_DEBUG
1371 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0);
1372
1373 xfer->hand = sbp_busy_timeout_callback;
1374 fp = &xfer->send.hdr;
1375 fp->mode.wreqq.dest_hi = 0xffff;
1376 fp->mode.wreqq.dest_lo = 0xf0000000 | BUSY_TIMEOUT;
1377 fp->mode.wreqq.data = htonl((1 << (13+12)) | 0xf);
1378 fw_asyreq(xfer->fc, -1, xfer);
1379 }
1380
1381 static void
1382 sbp_orb_pointer_callback(struct fw_xfer *xfer)
1383 {
1384 struct sbp_dev *sdev;
1385 sdev = (struct sbp_dev *)xfer->sc;
1386
1387 SBP_DEBUG(1)
1388 sbp_show_sdev_info(sdev, 2);
1389 printf("%s\n", __func__);
1390 END_DEBUG
1391 if (xfer->resp != 0) {
1392 /* XXX */
1393 printf("%s: xfer->resp = %d\n", __func__, xfer->resp);
1394 }
1395 sbp_xfer_free(xfer);
1396 sdev->flags &= ~ORB_POINTER_ACTIVE;
1397
1398 if ((sdev->flags & ORB_POINTER_NEED) != 0) {
1399 struct sbp_ocb *ocb;
1400
1401 sdev->flags &= ~ORB_POINTER_NEED;
1402 ocb = STAILQ_FIRST(&sdev->ocbs);
1403 if (ocb != NULL)
1404 sbp_orb_pointer(sdev, ocb);
1405 }
1406 return;
1407 }
1408
1409 static void
1410 sbp_orb_pointer(struct sbp_dev *sdev, struct sbp_ocb *ocb)
1411 {
1412 struct fw_xfer *xfer;
1413 struct fw_pkt *fp;
1414 SBP_DEBUG(1)
1415 sbp_show_sdev_info(sdev, 2);
1416 printf("%s: 0x%08x\n", __func__, (uint32_t)ocb->bus_addr);
1417 END_DEBUG
1418
1419 if ((sdev->flags & ORB_POINTER_ACTIVE) != 0) {
1420 SBP_DEBUG(0)
1421 printf("%s: orb pointer active\n", __func__);
1422 END_DEBUG
1423 sdev->flags |= ORB_POINTER_NEED;
1424 return;
1425 }
1426
1427 sdev->flags |= ORB_POINTER_ACTIVE;
1428 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0x08);
1429 if (xfer == NULL)
1430 return;
1431 xfer->hand = sbp_orb_pointer_callback;
1432
1433 fp = &xfer->send.hdr;
1434 fp->mode.wreqb.len = 8;
1435 fp->mode.wreqb.extcode = 0;
1436 xfer->send.payload[0] =
1437 htonl(((sdev->target->sbp->fd.fc->nodeid | FWLOCALBUS )<< 16));
1438 xfer->send.payload[1] = htonl((uint32_t)ocb->bus_addr);
1439
1440 if(fw_asyreq(xfer->fc, -1, xfer) != 0){
1441 sbp_xfer_free(xfer);
1442 SCSI_XFER_ERROR(ocb->sxfer) = XS_REQ_INVALID;
1443 SCSI_TRANSFER_DONE(ocb->sxfer);
1444 }
1445 }
1446
1447 static void
1448 sbp_doorbell_callback(struct fw_xfer *xfer)
1449 {
1450 struct sbp_dev *sdev;
1451 sdev = (struct sbp_dev *)xfer->sc;
1452
1453 SBP_DEBUG(1)
1454 sbp_show_sdev_info(sdev, 2);
1455 printf("sbp_doorbell_callback\n");
1456 END_DEBUG
1457 if (xfer->resp != 0) {
1458 /* XXX */
1459 printf("%s: xfer->resp = %d\n", __func__, xfer->resp);
1460 }
1461 sbp_xfer_free(xfer);
1462 sdev->flags &= ~ORB_DOORBELL_ACTIVE;
1463 if ((sdev->flags & ORB_DOORBELL_NEED) != 0) {
1464 sdev->flags &= ~ORB_DOORBELL_NEED;
1465 sbp_doorbell(sdev);
1466 }
1467 return;
1468 }
1469
1470 static void
1471 sbp_doorbell(struct sbp_dev *sdev)
1472 {
1473 struct fw_xfer *xfer;
1474 struct fw_pkt *fp;
1475 SBP_DEBUG(1)
1476 sbp_show_sdev_info(sdev, 2);
1477 printf("sbp_doorbell\n");
1478 END_DEBUG
1479
1480 if ((sdev->flags & ORB_DOORBELL_ACTIVE) != 0) {
1481 sdev->flags |= ORB_DOORBELL_NEED;
1482 return;
1483 }
1484 sdev->flags |= ORB_DOORBELL_ACTIVE;
1485 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x10);
1486 if (xfer == NULL)
1487 return;
1488 xfer->hand = sbp_doorbell_callback;
1489 fp = &xfer->send.hdr;
1490 fp->mode.wreqq.data = htonl(0xf);
1491 fw_asyreq(xfer->fc, -1, xfer);
1492 }
1493
1494 static struct fw_xfer *
1495 sbp_write_cmd(struct sbp_dev *sdev, int tcode, int offset)
1496 {
1497 struct fw_xfer *xfer;
1498 struct fw_pkt *fp;
1499 struct sbp_target *target;
1500 int s, new = 0;
1501
1502 target = sdev->target;
1503 s = splfw();
1504 xfer = STAILQ_FIRST(&target->xferlist);
1505 if (xfer == NULL) {
1506 if (target->n_xfer > 5 /* XXX */) {
1507 printf("sbp: no more xfer for this target\n");
1508 splx(s);
1509 return(NULL);
1510 }
1511 xfer = fw_xfer_alloc_buf(M_SBP, 8, 0);
1512 if(xfer == NULL){
1513 printf("sbp: fw_xfer_alloc_buf failed\n");
1514 splx(s);
1515 return NULL;
1516 }
1517 target->n_xfer ++;
1518 if (debug)
1519 printf("sbp: alloc %d xfer\n", target->n_xfer);
1520 new = 1;
1521 } else {
1522 STAILQ_REMOVE_HEAD(&target->xferlist, link);
1523 }
1524 splx(s);
1525
1526 microtime(&xfer->tv);
1527
1528 if (new) {
1529 xfer->recv.pay_len = 0;
1530 xfer->send.spd = min(sdev->target->fwdev->speed, max_speed);
1531 xfer->fc = sdev->target->sbp->fd.fc;
1532 }
1533
1534 if (tcode == FWTCODE_WREQB)
1535 xfer->send.pay_len = 8;
1536 else
1537 xfer->send.pay_len = 0;
1538
1539 xfer->sc = (void *)sdev;
1540 fp = &xfer->send.hdr;
1541 fp->mode.wreqq.dest_hi = sdev->login->cmd_hi;
1542 fp->mode.wreqq.dest_lo = sdev->login->cmd_lo + offset;
1543 fp->mode.wreqq.tlrt = 0;
1544 fp->mode.wreqq.tcode = tcode;
1545 fp->mode.wreqq.pri = 0;
1546 fp->mode.wreqq.dst = FWLOCALBUS | sdev->target->fwdev->dst;
1547
1548 return xfer;
1549 }
1550
1551 static void
1552 sbp_mgm_orb(struct sbp_dev *sdev, int func, struct sbp_ocb *aocb)
1553 {
1554 struct fw_xfer *xfer;
1555 struct fw_pkt *fp;
1556 struct sbp_ocb *ocb;
1557 struct sbp_target *target;
1558 int s, nid, dv_unit;
1559
1560 target = sdev->target;
1561 nid = target->sbp->fd.fc->nodeid | FWLOCALBUS;
1562 dv_unit = fw_get_unit(target->sbp->fd.dev);
1563
1564 s = splfw();
1565 SBP_LOCK(target->sbp);
1566 if (func == ORB_FUN_RUNQUEUE) {
1567 ocb = STAILQ_FIRST(&target->mgm_ocb_queue);
1568 if (target->mgm_ocb_cur != NULL || ocb == NULL) {
1569 SBP_UNLOCK(target->sbp);
1570 splx(s);
1571 return;
1572 }
1573 STAILQ_REMOVE_HEAD(&target->mgm_ocb_queue, ocb);
1574 SBP_UNLOCK(target->sbp);
1575 goto start;
1576 }
1577 if ((ocb = sbp_get_ocb(sdev)) == NULL) {
1578 SBP_UNLOCK(target->sbp);
1579 splx(s);
1580 /* XXX */
1581 return;
1582 }
1583 SBP_UNLOCK(target->sbp);
1584 ocb->flags = OCB_ACT_MGM;
1585 ocb->sdev = sdev;
1586
1587 memset((void *)ocb->orb, 0, sizeof(ocb->orb));
1588 ocb->orb[6] = htonl((nid << 16) | SBP_BIND_HI);
1589 ocb->orb[7] = htonl(SBP_DEV2ADDR(dv_unit, sdev->lun_id));
1590
1591 SBP_DEBUG(0)
1592 sbp_show_sdev_info(sdev, 2);
1593 printf("%s\n", orb_fun_name[(func>>16)&0xf]);
1594 END_DEBUG
1595 switch (func) {
1596 case ORB_FUN_LGI:
1597 ocb->orb[0] = ocb->orb[1] = 0; /* password */
1598 ocb->orb[2] = htonl(nid << 16);
1599 ocb->orb[3] = htonl(sdev->dma.bus_addr);
1600 ocb->orb[4] = htonl(ORB_NOTIFY | sdev->lun_id);
1601 if (ex_login)
1602 ocb->orb[4] |= htonl(ORB_EXV);
1603 ocb->orb[5] = htonl(SBP_LOGIN_SIZE);
1604 break;
1605 case ORB_FUN_ATA:
1606 ocb->orb[0] = htonl((0 << 16) | 0);
1607 ocb->orb[1] = htonl(aocb->bus_addr & 0xffffffff);
1608 /* fall through */
1609 case ORB_FUN_RCN:
1610 case ORB_FUN_LGO:
1611 case ORB_FUN_LUR:
1612 case ORB_FUN_RST:
1613 case ORB_FUN_ATS:
1614 ocb->orb[4] = htonl(ORB_NOTIFY | func | sdev->login->id);
1615 break;
1616 }
1617
1618 if (target->mgm_ocb_cur != NULL) {
1619 /* there is a standing ORB */
1620 SBP_LOCK(target->sbp);
1621 STAILQ_INSERT_TAIL(&sdev->target->mgm_ocb_queue, ocb, ocb);
1622 SBP_UNLOCK(target->sbp);
1623 splx(s);
1624 return;
1625 }
1626 start:
1627 target->mgm_ocb_cur = ocb;
1628 splx(s);
1629
1630 fw_callout_reset(&target->mgm_ocb_timeout, 5*hz,
1631 sbp_mgm_timeout, (void *)ocb);
1632 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0);
1633 if(xfer == NULL){
1634 return;
1635 }
1636 xfer->hand = sbp_mgm_callback;
1637
1638 fp = &xfer->send.hdr;
1639 fp->mode.wreqb.dest_hi = sdev->target->mgm_hi;
1640 fp->mode.wreqb.dest_lo = sdev->target->mgm_lo;
1641 fp->mode.wreqb.len = 8;
1642 fp->mode.wreqb.extcode = 0;
1643 xfer->send.payload[0] = htonl(nid << 16);
1644 xfer->send.payload[1] = htonl(ocb->bus_addr & 0xffffffff);
1645 SBP_DEBUG(0)
1646 sbp_show_sdev_info(sdev, 2);
1647 printf("mgm orb: %08x\n", (uint32_t)ocb->bus_addr);
1648 END_DEBUG
1649
1650 /* cache writeback & invalidate(required ORB_FUN_LGI func) */
1651 /* when abort_ocb, should sync POST ope ? */
1652 fwdma_sync(&sdev->dma, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
1653 fw_asyreq(xfer->fc, -1, xfer);
1654 }
1655
1656 static void
1657 sbp_print_scsi_cmd(struct sbp_ocb *ocb)
1658 {
1659 #if defined(__FreeBSD__)
1660 struct ccb_scsiio *csio;
1661
1662 csio = &ocb->sxfer->csio;
1663 #endif
1664 printf("%s:%d:%d XPT_SCSI_IO: "
1665 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x"
1666 ", flags: 0x%02x, "
1667 "%db cmd/%db data/%db sense\n",
1668 fw_get_nameunit(ocb->sdev->target->sbp->fd.dev),
1669 SCSI_XFER_TARGET(ocb->sxfer), SCSI_XFER_LUN(ocb->sxfer),
1670 SCSI_XFER_10BCMD_DUMP(ocb->sxfer),
1671 SCSI_XFER_DIR(ocb->sxfer),
1672 SCSI_XFER_CMDLEN(ocb->sxfer), SCSI_XFER_DATALEN(ocb->sxfer),
1673 SCSI_XFER_SENSELEN(ocb->sxfer));
1674 }
1675
1676 static void
1677 sbp_scsi_status(struct sbp_status *sbp_status, struct sbp_ocb *ocb)
1678 {
1679 struct sbp_cmd_status *sbp_cmd_status;
1680 scsi3_sense_data_t sense =
1681 (scsi3_sense_data_t)SCSI_SENSE_DATA(ocb->sxfer);
1682
1683 sbp_cmd_status = (struct sbp_cmd_status *)sbp_status->data;
1684
1685 SBP_DEBUG(0)
1686 sbp_print_scsi_cmd(ocb);
1687 /* XXX need decode status */
1688 sbp_show_sdev_info(ocb->sdev, 2);
1689 printf("SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d\n",
1690 sbp_cmd_status->status,
1691 sbp_cmd_status->sfmt,
1692 sbp_cmd_status->valid,
1693 sbp_cmd_status->s_key,
1694 sbp_cmd_status->s_code,
1695 sbp_cmd_status->s_qlfr,
1696 sbp_status->len
1697 );
1698 END_DEBUG
1699
1700 switch (sbp_cmd_status->status) {
1701 case SCSI_STATUS_CHECK_COND:
1702 case SCSI_STATUS_BUSY:
1703 case SCSI_STATUS_CMD_TERMINATED:
1704 if(sbp_cmd_status->sfmt == SBP_SFMT_CURR){
1705 sense->response_code = SSD_CURRENT_ERROR;
1706 }else{
1707 sense->response_code = SSD_DEFERRED_ERROR;
1708 }
1709 if(sbp_cmd_status->valid)
1710 sense->response_code |= SSD_RESPONSE_CODE_VALID;
1711 sense->flags = sbp_cmd_status->s_key;
1712 if(sbp_cmd_status->mark)
1713 sense->flags |= SSD_FILEMARK;
1714 if(sbp_cmd_status->eom)
1715 sense->flags |= SSD_EOM;
1716 if(sbp_cmd_status->ill_len)
1717 sense->flags |= SSD_ILI;
1718
1719 memcpy(&sense->information[0], &sbp_cmd_status->info, 4);
1720
1721 if (sbp_status->len <= 1)
1722 /* XXX not scsi status. shouldn't be happened */
1723 sense->asl = 0;
1724 else if (sbp_status->len <= 4)
1725 /* add_sense_code(_qual), info, cmd_spec_info */
1726 sense->asl = 6;
1727 else
1728 /* fru, sense_key_spec */
1729 sense->asl = 10;
1730
1731 memcpy(&sense->csi[0], &sbp_cmd_status->cdb, 4);
1732
1733 sense->asc = sbp_cmd_status->s_code;
1734 sense->ascq = sbp_cmd_status->s_qlfr;
1735 sense->fruc = sbp_cmd_status->fru;
1736
1737 memcpy(&sense->sks[0], &sbp_cmd_status->s_keydep[0], 3);
1738 SCSI_XFER_ERROR(ocb->sxfer) = XS_SENSE;
1739 SCSI_XFER_STATUS(ocb->sxfer) = sbp_cmd_status->status;
1740 /*
1741 {
1742 uint8_t j, *tmp;
1743 tmp = sense;
1744 for( j = 0 ; j < 32 ; j+=8){
1745 printf("sense %02x%02x %02x%02x %02x%02x %02x%02x\n",
1746 tmp[j], tmp[j+1], tmp[j+2], tmp[j+3],
1747 tmp[j+4], tmp[j+5], tmp[j+6], tmp[j+7]);
1748 }
1749
1750 }
1751 */
1752 break;
1753 default:
1754 sbp_show_sdev_info(ocb->sdev, 2);
1755 printf("sbp_scsi_status: unknown scsi status 0x%x\n",
1756 sbp_cmd_status->status);
1757 }
1758 }
1759
1760 static void
1761 sbp_fix_inq_data(struct sbp_ocb *ocb)
1762 {
1763 sbp_scsi_xfer *sxfer = ocb->sxfer;
1764 struct sbp_dev *sdev;
1765 scsi3_inquiry_data_t inq =
1766 (scsi3_inquiry_data_t)SCSI_INQUIRY_DATA(sxfer);
1767 sdev = ocb->sdev;
1768
1769 if (SCSI_XFER_EVPD(sxfer))
1770 return;
1771 SBP_DEBUG(1)
1772 sbp_show_sdev_info(sdev, 2);
1773 printf("sbp_fix_inq_data\n");
1774 END_DEBUG
1775 switch (inq->device & SID_TYPE) {
1776 case T_DIRECT:
1777 #if 0
1778 /*
1779 * XXX Convert Direct Access device to RBC.
1780 * I've never seen FireWire DA devices which support READ_6.
1781 */
1782 if ((inq->device & SID_TYPE) == T_DIRECT)
1783 inq->device |= T_RBC; /* T_DIRECT == 0 */
1784 #endif
1785 /* fall through */
1786 case T_RBC:
1787 /*
1788 * Override vendor/product/revision information.
1789 * Some devices sometimes return strange strings.
1790 */
1791 #if 1
1792 memcpy(inq->vendor, sdev->vendor, sizeof(inq->vendor));
1793 memcpy(inq->product, sdev->product, sizeof(inq->product));
1794 memcpy(inq->revision, sdev->revision+2, sizeof(inq->revision));
1795 #endif
1796 break;
1797 }
1798 /*
1799 * Force to enable/disable tagged queuing.
1800 * XXX CAM also checks SCP_QUEUE_DQUE flag in the control mode page.
1801 */
1802 if (sbp_tags > 0)
1803 inq->flags[1] |= SID_CmdQue;
1804 else if (sbp_tags < 0)
1805 inq->flags[1] &= ~SID_CmdQue;
1806
1807 }
1808
1809 static void
1810 sbp_recv1(struct fw_xfer *xfer)
1811 {
1812 struct fw_pkt *rfp;
1813 #if NEED_RESPONSE
1814 struct fw_pkt *sfp;
1815 #endif
1816 struct sbp_softc *sbp;
1817 struct sbp_dev *sdev;
1818 struct sbp_ocb *ocb;
1819 struct sbp_login_res *login_res = NULL;
1820 struct sbp_status *sbp_status;
1821 struct sbp_target *target;
1822 int orb_fun, status_valid0, status_valid, l, reset_agent = 0;
1823 uint32_t addr;
1824 /*
1825 uint32_t *ld;
1826 ld = xfer->recv.buf;
1827 printf("sbp %x %d %d %08x %08x %08x %08x\n",
1828 xfer->resp, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3]));
1829 printf("sbp %08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7]));
1830 printf("sbp %08x %08x %08x %08x\n", ntohl(ld[8]), ntohl(ld[9]), ntohl(ld[10]), ntohl(ld[11]));
1831 */
1832 sbp = (struct sbp_softc *)xfer->sc;
1833 if (xfer->resp != 0){
1834 printf("sbp_recv: xfer->resp = %d\n", xfer->resp);
1835 goto done0;
1836 }
1837 if (xfer->recv.payload == NULL){
1838 printf("sbp_recv: xfer->recv.payload == NULL\n");
1839 goto done0;
1840 }
1841 rfp = &xfer->recv.hdr;
1842 if(rfp->mode.wreqb.tcode != FWTCODE_WREQB){
1843 printf("sbp_recv: tcode = %d\n", rfp->mode.wreqb.tcode);
1844 goto done0;
1845 }
1846 sbp_status = (struct sbp_status *)xfer->recv.payload;
1847 addr = rfp->mode.wreqb.dest_lo;
1848 SBP_DEBUG(2)
1849 printf("received address 0x%x\n", addr);
1850 END_DEBUG
1851 target = &sbp->target;
1852 l = SBP_ADDR2LUN(addr);
1853 if (l >= target->num_lun || target->luns[l] == NULL) {
1854 fw_printf(sbp->fd.dev,
1855 "sbp_recv1: invalid lun %d (target=%d)\n",
1856 l, target->target_id);
1857 goto done0;
1858 }
1859 sdev = target->luns[l];
1860
1861 fwdma_sync(&sdev->dma, BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
1862
1863 ocb = NULL;
1864 switch (sbp_status->src) {
1865 case SRC_NEXT_EXISTS:
1866 case SRC_NO_NEXT:
1867 /* check mgm_ocb_cur first */
1868 ocb = target->mgm_ocb_cur;
1869 if (ocb != NULL) {
1870 if (OCB_MATCH(ocb, sbp_status)) {
1871 fw_callout_stop(&target->mgm_ocb_timeout);
1872 target->mgm_ocb_cur = NULL;
1873 break;
1874 }
1875 }
1876 ocb = sbp_dequeue_ocb(sdev, sbp_status);
1877 if (ocb == NULL) {
1878 sbp_show_sdev_info(sdev, 2);
1879 #if defined(__DragonFly__) || \
1880 (defined(__FreeBSD__) && __FreeBSD_version < 500000)
1881 printf("No ocb(%lx) on the queue\n",
1882 #else
1883 printf("No ocb(%x) on the queue\n",
1884 #endif
1885 ntohl(sbp_status->orb_lo));
1886 }
1887 break;
1888 case SRC_UNSOL:
1889 /* unsolicit */
1890 sbp_show_sdev_info(sdev, 2);
1891 printf("unsolicit status received\n");
1892 break;
1893 default:
1894 sbp_show_sdev_info(sdev, 2);
1895 printf("unknown sbp_status->src\n");
1896 }
1897
1898 status_valid0 = (sbp_status->src < 2
1899 && sbp_status->resp == SBP_REQ_CMP
1900 && sbp_status->dead == 0);
1901 status_valid = (status_valid0 && sbp_status->status == 0);
1902
1903 if (!status_valid0 || debug > 2){
1904 int status;
1905 SBP_DEBUG(0)
1906 sbp_show_sdev_info(sdev, 2);
1907 printf("ORB status src:%x resp:%x dead:%x"
1908 #if defined(__DragonFly__) || \
1909 (defined(__FreeBSD__) && __FreeBSD_version < 500000)
1910 " len:%x stat:%x orb:%x%08lx\n",
1911 #else
1912 " len:%x stat:%x orb:%x%08x\n",
1913 #endif
1914 sbp_status->src, sbp_status->resp, sbp_status->dead,
1915 sbp_status->len, sbp_status->status,
1916 ntohs(sbp_status->orb_hi), ntohl(sbp_status->orb_lo));
1917 END_DEBUG
1918 sbp_show_sdev_info(sdev, 2);
1919 status = sbp_status->status;
1920 switch(sbp_status->resp) {
1921 case SBP_REQ_CMP:
1922 if (status > MAX_ORB_STATUS0)
1923 printf("%s\n", orb_status0[MAX_ORB_STATUS0]);
1924 else
1925 printf("%s\n", orb_status0[status]);
1926 break;
1927 case SBP_TRANS_FAIL:
1928 printf("Obj: %s, Error: %s\n",
1929 orb_status1_object[(status>>6) & 3],
1930 orb_status1_serial_bus_error[status & 0xf]);
1931 break;
1932 case SBP_ILLE_REQ:
1933 printf("Illegal request\n");
1934 break;
1935 case SBP_VEND_DEP:
1936 printf("Vendor dependent\n");
1937 break;
1938 default:
1939 printf("unknown respose code %d\n", sbp_status->resp);
1940 }
1941 }
1942
1943 /* we have to reset the fetch agent if it's dead */
1944 if (sbp_status->dead) {
1945 if (SBP_DEVICE(sdev) != NULL) {
1946 SBP_LOCK(sbp);
1947 SBP_DEVICE_FREEZE(sdev, 1);
1948 sdev->freeze ++;
1949 SBP_UNLOCK(sbp);
1950 }
1951 reset_agent = 1;
1952 }
1953
1954 if (ocb == NULL)
1955 goto done;
1956
1957 switch(ntohl(ocb->orb[4]) & ORB_FMT_MSK){
1958 case ORB_FMT_NOP:
1959 break;
1960 case ORB_FMT_VED:
1961 break;
1962 case ORB_FMT_STD:
1963 switch(ocb->flags) {
1964 case OCB_ACT_MGM:
1965 orb_fun = ntohl(ocb->orb[4]) & ORB_FUN_MSK;
1966 reset_agent = 0;
1967 switch(orb_fun) {
1968 case ORB_FUN_LGI:
1969 login_res = sdev->login;
1970 login_res->len = ntohs(login_res->len);
1971 login_res->id = ntohs(login_res->id);
1972 login_res->cmd_hi = ntohs(login_res->cmd_hi);
1973 login_res->cmd_lo = ntohl(login_res->cmd_lo);
1974 if (status_valid) {
1975 SBP_DEBUG(0)
1976 sbp_show_sdev_info(sdev, 2);
1977 printf("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));
1978 END_DEBUG
1979 sbp_busy_timeout(sdev);
1980 } else {
1981 /* forgot logout? */
1982 sbp_show_sdev_info(sdev, 2);
1983 printf("login failed\n");
1984 sdev->status = SBP_DEV_RESET;
1985 }
1986 break;
1987 case ORB_FUN_RCN:
1988 login_res = sdev->login;
1989 if (status_valid) {
1990 SBP_DEBUG(0)
1991 sbp_show_sdev_info(sdev, 2);
1992 printf("reconnect: len %d, ID %d, cmd %08x%08x\n", login_res->len, login_res->id, login_res->cmd_hi, login_res->cmd_lo);
1993 END_DEBUG
1994 #if 1
1995 #if defined(__FreeBSD__)
1996 if (sdev->status == SBP_DEV_ATTACHED)
1997 sbp_scan_dev(sdev);
1998 else
1999 #endif
2000 sbp_agent_reset(sdev);
2001 #else
2002 sdev->status = SBP_DEV_ATTACHED;
2003 sbp_mgm_orb(sdev, ORB_FUN_ATS, NULL);
2004 #endif
2005 } else {
2006 /* reconnection hold time exceed? */
2007 SBP_DEBUG(0)
2008 sbp_show_sdev_info(sdev, 2);
2009 printf("reconnect failed\n");
2010 END_DEBUG
2011 sbp_login(sdev);
2012 }
2013 break;
2014 case ORB_FUN_LGO:
2015 sdev->status = SBP_DEV_RESET;
2016 break;
2017 case ORB_FUN_RST:
2018 sbp_busy_timeout(sdev);
2019 break;
2020 case ORB_FUN_LUR:
2021 case ORB_FUN_ATA:
2022 case ORB_FUN_ATS:
2023 sbp_agent_reset(sdev);
2024 break;
2025 default:
2026 sbp_show_sdev_info(sdev, 2);
2027 printf("unknown function %d\n", orb_fun);
2028 break;
2029 }
2030 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL);
2031 break;
2032 case OCB_ACT_CMD:
2033 sdev->timeout = 0;
2034 if(ocb->sxfer != NULL){
2035 sbp_scsi_xfer *sxfer = ocb->sxfer;
2036 /*
2037 uint32_t *ld = SCSI_XFER_DATA(ocb->sxfer);
2038 if(ld != NULL &&
2039 SCSI_XFER_DATALEN(ocb->sxfer) != 0)
2040 printf("ptr %08x %08x %08x %08x\n", ld[0], ld[1], ld[2], ld[3]);
2041 else
2042 printf("ptr NULL\n");
2043 printf("len %d\n", sbp_status->len);
2044 */
2045 if(sbp_status->len > 1){
2046 sbp_scsi_status(sbp_status, ocb);
2047 }else{
2048 if(sbp_status->resp != SBP_REQ_CMP){
2049 SCSI_XFER_ERROR(sxfer) =
2050 XS_REQ_CMP_ERR;
2051 }else{
2052 SCSI_XFER_ERROR(sxfer) =
2053 XS_REQ_CMP;
2054 SCSI_XFER_REQUEST_COMPLETE(
2055 sxfer);
2056 }
2057 }
2058 /* fix up inq data */
2059 if (SCSI_XFER_OPECODE(sxfer) == INQUIRY)
2060 sbp_fix_inq_data(ocb);
2061 SBP_LOCK(sbp);
2062 SCSI_TRANSFER_DONE(sxfer);
2063 SBP_UNLOCK(sbp);
2064 }
2065 break;
2066 default:
2067 break;
2068 }
2069 }
2070
2071 if (!use_doorbell)
2072 sbp_free_ocb(sdev, ocb);
2073 done:
2074 if (reset_agent)
2075 sbp_agent_reset(sdev);
2076
2077 done0:
2078 xfer->recv.pay_len = SBP_RECV_LEN;
2079 /* The received packet is usually small enough to be stored within
2080 * the buffer. In that case, the controller return ack_complete and
2081 * no respose is necessary.
2082 *
2083 * XXX fwohci.c and firewire.c should inform event_code such as
2084 * ack_complete or ack_pending to upper driver.
2085 */
2086 #if NEED_RESPONSE
2087 xfer->send.off = 0;
2088 sfp = (struct fw_pkt *)xfer->send.buf;
2089 sfp->mode.wres.dst = rfp->mode.wreqb.src;
2090 xfer->dst = sfp->mode.wres.dst;
2091 xfer->spd = min(sdev->target->fwdev->speed, max_speed);
2092 xfer->hand = sbp_loginres_callback;
2093
2094 sfp->mode.wres.tlrt = rfp->mode.wreqb.tlrt;
2095 sfp->mode.wres.tcode = FWTCODE_WRES;
2096 sfp->mode.wres.rtcode = 0;
2097 sfp->mode.wres.pri = 0;
2098
2099 fw_asyreq(xfer->fc, -1, xfer);
2100 #else
2101 /* recycle */
2102 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link);
2103 #endif
2104
2105 return;
2106
2107 }
2108
2109 static void
2110 sbp_recv(struct fw_xfer *xfer)
2111 {
2112 int s;
2113
2114 s = splfwsbp();
2115 sbp_recv1(xfer);
2116 splx(s);
2117 }
2118 /*
2119 * sbp_attach()
2120 */
2121 FW_ATTACH(sbp)
2122 {
2123 FW_ATTACH_START(sbp, sbp, fwa);
2124 int dv_unit, error, s;
2125 struct firewire_comm *fc;
2126 SBP_ATTACH_START;
2127
2128 if (DFLTPHYS > SBP_MAXPHYS)
2129 fw_printf(sbp->fd.dev,
2130 "Warning, DFLTPHYS(%dKB) is larger than "
2131 "SBP_MAXPHYS(%dKB).\n", DFLTPHYS / 1024,
2132 SBP_MAXPHYS / 1024);
2133 SBP_DEBUG(0)
2134 printf("sbp_attach (cold=%d)\n", cold);
2135 END_DEBUG
2136
2137 if (cold)
2138 sbp_cold ++;
2139 sbp->fd.fc = fc = fwa->fc;
2140 fw_mtx_init(&sbp->mtx, "sbp", NULL, MTX_DEF);
2141
2142 if (max_speed < 0)
2143 max_speed = fc->speed;
2144
2145 error = fw_bus_dma_tag_create(/*parent*/fc->dmat,
2146 /* XXX shoud be 4 for sane backend? */
2147 /*alignment*/1,
2148 /*boundary*/0,
2149 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
2150 /*highaddr*/BUS_SPACE_MAXADDR,
2151 /*filter*/NULL, /*filterarg*/NULL,
2152 /*maxsize*/0x100000, /*nsegments*/SBP_IND_MAX,
2153 /*maxsegsz*/SBP_SEG_MAX,
2154 /*flags*/BUS_DMA_ALLOCNOW,
2155 /*lockfunc*/busdma_lock_mutex,
2156 /*lockarg*/&sbp->mtx,
2157 &sbp->dmat);
2158 if (error != 0) {
2159 printf("sbp_attach: Could not allocate DMA tag "
2160 "- error %d\n", error);
2161 FW_ATTACH_RETURN(ENOMEM);
2162 }
2163
2164 #if defined(__FreeBSD__)
2165 devq = cam_simq_alloc(/*maxopenings*/SBP_NUM_OCB);
2166 if (devq == NULL)
2167 return (ENXIO);
2168 #endif
2169
2170 sbp->target.fwdev = NULL;
2171 sbp->target.luns = NULL;
2172
2173 if (sbp_alloc_target(sbp, fwa->fwdev) == NULL)
2174 FW_ATTACH_RETURN(ENXIO);
2175
2176 SBP_SCSIBUS_ATTACH;
2177
2178 /* We reserve 16 bit space (4 bytes X 64 unit X 256 luns) */
2179 dv_unit = fw_get_unit(sbp->fd.dev);
2180 sbp->fwb.start = SBP_DEV2ADDR(dv_unit, 0);
2181 sbp->fwb.end = SBP_DEV2ADDR(dv_unit, -1);
2182 /* pre-allocate xfer */
2183 STAILQ_INIT(&sbp->fwb.xferlist);
2184 fw_xferlist_add(&sbp->fwb.xferlist, M_SBP,
2185 /*send*/ 0, /*recv*/ SBP_RECV_LEN, SBP_NUM_OCB/2,
2186 fc, (void *)sbp, sbp_recv);
2187 fw_bindadd(fc, &sbp->fwb);
2188
2189 sbp->fd.post_busreset = sbp_post_busreset;
2190 sbp->fd.post_explore = sbp_post_explore;
2191
2192 if (fc->status != FWBUSNOTREADY) {
2193 s = splfw();
2194 sbp_post_busreset((void *)sbp);
2195 sbp_post_explore((void *)sbp);
2196 splx(s);
2197 }
2198
2199 FW_ATTACH_RETURN(0);
2200 #if defined(__FreeBSD__)
2201 fail:
2202 SBP_UNLOCK(sbp);
2203 cam_sim_free(sbp->sim, /*free_devq*/TRUE);
2204 return (ENXIO);
2205 #endif
2206 }
2207
2208 static int
2209 sbp_logout_all(struct sbp_softc *sbp)
2210 {
2211 struct sbp_target *target;
2212 struct sbp_dev *sdev;
2213 int i;
2214
2215 SBP_DEBUG(0)
2216 printf("sbp_logout_all\n");
2217 END_DEBUG
2218 target = &sbp->target;
2219 if (target->luns != NULL)
2220 for (i = 0; i < target->num_lun; i++) {
2221 sdev = target->luns[i];
2222 if (sdev == NULL)
2223 continue;
2224 fw_callout_stop(&sdev->login_callout);
2225 if (sdev->status >= SBP_DEV_TOATTACH &&
2226 sdev->status <= SBP_DEV_ATTACHED)
2227 sbp_mgm_orb(sdev, ORB_FUN_LGO, NULL);
2228 }
2229
2230 return 0;
2231 }
2232
2233 #if defined(__FreeBSD__)
2234 static int
2235 sbp_shutdown(device_t dev)
2236 {
2237 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev));
2238
2239 sbp_logout_all(sbp);
2240 return (0);
2241 }
2242 #endif
2243
2244 static void
2245 sbp_free_sdev(struct sbp_dev *sdev)
2246 {
2247 int i;
2248
2249 if (sdev == NULL)
2250 return;
2251 for (i = 0; i < SBP_QUEUE_LEN; i++)
2252 fw_bus_dmamap_destroy(sdev->target->sbp->dmat,
2253 sdev->ocb[i].dmamap);
2254 fwdma_free(sdev->target->sbp->fd.fc, &sdev->dma);
2255 free(sdev, M_SBP);
2256 }
2257
2258 static void
2259 sbp_free_target(struct sbp_target *target)
2260 {
2261 struct sbp_softc *sbp;
2262 struct fw_xfer *xfer, *next;
2263 int i;
2264
2265 if (target->luns == NULL)
2266 return;
2267 fw_callout_stop(&target->mgm_ocb_timeout);
2268 sbp = target->sbp;
2269 for (i = 0; i < target->num_lun; i++)
2270 sbp_free_sdev(target->luns[i]);
2271
2272 for (xfer = STAILQ_FIRST(&target->xferlist);
2273 xfer != NULL; xfer = next) {
2274 next = STAILQ_NEXT(xfer, link);
2275 fw_xfer_free_buf(xfer);
2276 }
2277 STAILQ_INIT(&target->xferlist);
2278 free(target->luns, M_SBP);
2279 target->num_lun = 0;
2280 target->luns = NULL;
2281 target->fwdev = NULL;
2282 }
2283
2284 FW_DETACH(sbp)
2285 {
2286 FW_DETACH_START(sbp, sbp);
2287 struct firewire_comm *fc = sbp->fd.fc;
2288 int i;
2289
2290 SBP_DEBUG(0)
2291 printf("sbp_detach\n");
2292 END_DEBUG
2293
2294 SBP_DETACH_TARGET(&sbp->target);
2295 #if defined(__FreeBSD__)
2296 SBP_LOCK(sbp);
2297 xpt_async(AC_LOST_DEVICE, sbp->path, NULL);
2298 xpt_free_path(sbp->path);
2299 xpt_bus_deregister(cam_sim_path(sbp->sim));
2300 cam_sim_free(sbp->sim, /*free_devq*/ TRUE),
2301 SBP_UNLOCK(sbp);
2302 #endif
2303
2304 sbp_logout_all(sbp);
2305
2306 /* XXX wait for logout completion */
2307 tsleep(&i, FWPRI, "sbpdtc", hz/2);
2308
2309 sbp_free_target(&sbp->target);
2310
2311 fw_bindremove(fc, &sbp->fwb);
2312 fw_xferlist_remove(&sbp->fwb.xferlist);
2313
2314 fw_bus_dma_tag_destroy(sbp->dmat);
2315 fw_mtx_destroy(&sbp->mtx);
2316
2317 return (0);
2318 }
2319
2320 #if defined(__FreeBSD__)
2321 static void
2322 sbp_cam_detach_sdev(struct sbp_dev *sdev)
2323 {
2324 if (sdev == NULL)
2325 return;
2326 if (sdev->status == SBP_DEV_DEAD)
2327 return;
2328 if (sdev->status == SBP_DEV_RESET)
2329 return;
2330 sbp_abort_all_ocbs(sdev, CAM_DEV_NOT_THERE);
2331 if (sdev->path) {
2332 SBP_LOCK(sdev->target->sbp);
2333 xpt_release_devq(sdev->path,
2334 sdev->freeze, TRUE);
2335 sdev->freeze = 0;
2336 xpt_async(AC_LOST_DEVICE, sdev->path, NULL);
2337 xpt_free_path(sdev->path);
2338 sdev->path = NULL;
2339 SBP_UNLOCK(sdev->target->sbp);
2340 }
2341 }
2342
2343 static void
2344 sbp_cam_detach_target(struct sbp_target *target)
2345 {
2346 int i;
2347
2348 if (target->luns != NULL) {
2349 SBP_DEBUG(0)
2350 printf("sbp_detach_target %d\n", target->target_id);
2351 END_DEBUG
2352 fw_callout_stop(&target->scan_callout);
2353 for (i = 0; i < target->num_lun; i++)
2354 sbp_cam_detach_sdev(target->luns[i]);
2355 }
2356 }
2357 #elif defined(__NetBSD__)
2358 static void
2359 sbp_scsipi_detach_sdev(struct sbp_dev *sdev)
2360 {
2361 struct sbp_target *target;
2362 struct sbp_softc *sbp;
2363
2364 if (sdev == NULL)
2365 return;
2366
2367 target = sdev->target;
2368 if (target == NULL)
2369 return;
2370
2371 sbp = target->sbp;
2372
2373 if (sdev->status == SBP_DEV_DEAD)
2374 return;
2375 if (sdev->status == SBP_DEV_RESET)
2376 return;
2377 if (sdev->periph) {
2378 scsipi_periph_thaw(sdev->periph, sdev->freeze);
2379 scsipi_channel_thaw(&sbp->sc_channel, 0); /* XXXX */
2380 sdev->freeze = 0;
2381 if (scsipi_target_detach(&sbp->sc_channel,
2382 target->target_id, sdev->lun_id, DETACH_FORCE) != 0) {
2383 sbp_show_sdev_info(sdev, 2);
2384 printf("detach failed\n");
2385 }
2386 sdev->periph = NULL;
2387 }
2388 sbp_abort_all_ocbs(sdev, XS_DEV_NOT_THERE);
2389 }
2390
2391 static void
2392 sbp_scsipi_detach_target(struct sbp_target *target)
2393 {
2394 struct sbp_softc *sbp = target->sbp;
2395 int i;
2396
2397 if (target->luns != NULL) {
2398 SBP_DEBUG(0)
2399 printf("sbp_detach_target %d\n", target->target_id);
2400 END_DEBUG
2401 fw_callout_stop(&target->scan_callout);
2402 for (i = 0; i < target->num_lun; i++)
2403 sbp_scsipi_detach_sdev(target->luns[i]);
2404 if (config_detach(sbp->sc_bus, DETACH_FORCE) != 0)
2405 fw_printf(sbp->fd.dev, "%d detach failed\n",
2406 target->target_id);
2407 sbp->sc_bus = NULL;
2408 }
2409 }
2410 #endif
2411
2412 static void
2413 sbp_target_reset(struct sbp_dev *sdev, int method)
2414 {
2415 int i;
2416 struct sbp_target *target = sdev->target;
2417 struct sbp_dev *tsdev;
2418
2419 for (i = 0; i < target->num_lun; i++) {
2420 tsdev = target->luns[i];
2421 if (tsdev == NULL)
2422 continue;
2423 if (tsdev->status == SBP_DEV_DEAD)
2424 continue;
2425 if (tsdev->status == SBP_DEV_RESET)
2426 continue;
2427 SBP_LOCK(target->sbp);
2428 SBP_DEVICE_FREEZE(tsdev, 1);
2429 tsdev->freeze ++;
2430 SBP_UNLOCK(target->sbp);
2431 sbp_abort_all_ocbs(tsdev, XS_CMD_TIMEOUT);
2432 if (method == 2)
2433 tsdev->status = SBP_DEV_LOGIN;
2434 }
2435 switch(method) {
2436 case 1:
2437 printf("target reset\n");
2438 sbp_mgm_orb(sdev, ORB_FUN_RST, NULL);
2439 break;
2440 case 2:
2441 printf("reset start\n");
2442 sbp_reset_start(sdev);
2443 break;
2444 }
2445
2446 }
2447
2448 static void
2449 sbp_mgm_timeout(void *arg)
2450 {
2451 struct sbp_ocb *ocb = (struct sbp_ocb *)arg;
2452 struct sbp_dev *sdev = ocb->sdev;
2453 struct sbp_target *target = sdev->target;
2454
2455 sbp_show_sdev_info(sdev, 2);
2456 printf("request timeout(mgm orb:0x%08x) ... ",
2457 (uint32_t)ocb->bus_addr);
2458 target->mgm_ocb_cur = NULL;
2459 sbp_free_ocb(sdev, ocb);
2460 #if 0
2461 /* XXX */
2462 printf("run next request\n");
2463 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL);
2464 #endif
2465 #if 1
2466 printf("reset start\n");
2467 sbp_reset_start(sdev);
2468 #endif
2469 }
2470
2471 static void
2472 sbp_timeout(void *arg)
2473 {
2474 struct sbp_ocb *ocb = (struct sbp_ocb *)arg;
2475 struct sbp_dev *sdev = ocb->sdev;
2476
2477 sbp_show_sdev_info(sdev, 2);
2478 printf("request timeout(cmd orb:0x%08x) ... ",
2479 (uint32_t)ocb->bus_addr);
2480
2481 sdev->timeout ++;
2482 switch(sdev->timeout) {
2483 case 1:
2484 printf("agent reset\n");
2485 SBP_LOCK(sdev->target->sbp);
2486 SBP_DEVICE_FREEZE(sdev, 1);
2487 sdev->freeze ++;
2488 SBP_UNLOCK(sdev->target->sbp);
2489 sbp_abort_all_ocbs(sdev, XS_CMD_TIMEOUT);
2490 sbp_agent_reset(sdev);
2491 break;
2492 case 2:
2493 case 3:
2494 sbp_target_reset(sdev, sdev->timeout - 1);
2495 break;
2496 #if 0
2497 default:
2498 /* XXX give up */
2499 SBP_DETACH_TARGET(target);
2500 if (target->luns != NULL)
2501 free(target->luns, M_SBP);
2502 target->num_lun = 0;
2503 target->luns = NULL;
2504 target->fwdev = NULL;
2505 #endif
2506 }
2507 }
2508
2509 static void
2510 sbp_action1(struct sbp_softc *sbp, sbp_scsi_xfer *sxfer)
2511 {
2512
2513 struct sbp_target *target = NULL;
2514 struct sbp_dev *sdev = NULL;
2515
2516 /* target:lun -> sdev mapping */
2517 if (sbp != NULL) {
2518 target = &sbp->target;
2519 if (target->fwdev != NULL
2520 && NOT_LUN_WILDCARD(SCSI_XFER_LUN(sxfer))
2521 && SCSI_XFER_LUN(sxfer) < target->num_lun) {
2522 sdev = target->luns[SCSI_XFER_LUN(sxfer)];
2523 if (sdev != NULL && sdev->status != SBP_DEV_ATTACHED &&
2524 sdev->status != SBP_DEV_PROBE)
2525 sdev = NULL;
2526 }
2527 }
2528
2529 SBP_DEBUG(1)
2530 if (sdev == NULL)
2531 printf("invalid target %d lun %d\n",
2532 SCSI_XFER_TARGET(sxfer), SCSI_XFER_LUN(sxfer));
2533 END_DEBUG
2534
2535 switch (SCSI_XFER_FUNCCODE(sxfer)) {
2536 case XPT_SCSI_IO:
2537 #if defined(__FreeBSD__)
2538 case XPT_RESET_DEV:
2539 case XPT_GET_TRAN_SETTINGS:
2540 case XPT_SET_TRAN_SETTINGS:
2541 case XPT_CALC_GEOMETRY:
2542 #endif
2543 if (sdev == NULL) {
2544 SBP_DEBUG(1)
2545 printf("%s:%d:%d:func_code 0x%04x: "
2546 "Invalid target (target needed)\n",
2547 sbp ? fw_get_nameunit(sbp->fd.dev) : "???",
2548 SCSI_XFER_TARGET(sxfer), SCSI_XFER_LUN(sxfer),
2549 SCSI_XFER_FUNCCODE(sxfer));
2550 END_DEBUG
2551
2552 SCSI_XFER_ERROR(sxfer) = XS_DEV_NOT_THERE;
2553 SCSI_TRANSFER_DONE(sxfer);
2554 return;
2555 }
2556 break;
2557 #if defined(__FreeBSD__)
2558 case XPT_PATH_INQ:
2559 case XPT_NOOP:
2560 /* The opcodes sometimes aimed at a target (sc is valid),
2561 * sometimes aimed at the SIM (sc is invalid and target is
2562 * CAM_TARGET_WILDCARD)
2563 */
2564 if (sbp == NULL &&
2565 sxfer->ccb_h.target_id != CAM_TARGET_WILDCARD) {
2566 SBP_DEBUG(0)
2567 printf("%s:%d:%d func_code 0x%04x: "
2568 "Invalid target (no wildcard)\n",
2569 fw_get_nameunit(sbp->fd.dev),
2570 sxfer->ccb_h.target_id, sxfer->ccb_h.target_lun,
2571 sxfer->ccb_h.func_code);
2572 END_DEBUG
2573 SCSI_XFER_ERROR(sxfer) = XS_DEV_NOT_THERE;
2574 SCSI_TRANSFER_DONE(sxfer);
2575 return;
2576 }
2577 break;
2578 #endif
2579 default:
2580 /* XXX Hm, we should check the input parameters */
2581 break;
2582 }
2583
2584 switch (SCSI_XFER_FUNCCODE(sxfer)) {
2585 case XPT_SCSI_IO:
2586 {
2587 struct sbp_ocb *ocb;
2588 int speed;
2589 void *cdb;
2590 fw_mtx_assert(sim->mtx, MA_OWNED);
2591
2592 SBP_DEBUG(2)
2593 printf("%s:%d:%d XPT_SCSI_IO: "
2594 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x"
2595 ", flags: 0x%02x, "
2596 "%db cmd/%db data/%db sense\n",
2597 fw_get_nameunit(sbp->fd.dev),
2598 SCSI_XFER_TARGET(sxfer), SCSI_XFER_LUN(sxfer),
2599 SCSI_XFER_10BCMD_DUMP(sxfer),
2600 SCSI_XFER_DIR(sxfer),
2601 SCSI_XFER_CMDLEN(sxfer), SCSI_XFER_DATALEN(sxfer),
2602 SCSI_XFER_SENSELEN(sxfer));
2603 END_DEBUG
2604 if(sdev == NULL){
2605 SCSI_XFER_ERROR(sxfer) = XS_DEV_NOT_THERE;
2606 SCSI_TRANSFER_DONE(sxfer);
2607 return;
2608 }
2609 #if 0
2610 /* if we are in probe stage, pass only probe commands */
2611 if (sdev->status == SBP_DEV_PROBE) {
2612 char *name;
2613 name = xpt_path_periph(sxfer->ccb_h.path)->periph_name;
2614 printf("probe stage, periph name: %s\n", name);
2615 if (strcmp(name, "probe") != 0) {
2616 SCSI_XFER_ERROR(sxfer) = XS_REQUEUE_REQ;
2617 SCSI_TRANSFER_DONE(sxfer);
2618 return;
2619 }
2620 }
2621 #endif
2622 if ((ocb = sbp_get_ocb(sdev)) == NULL) {
2623 SCSI_XFER_ERROR(sxfer) = XS_REQUEUE_REQ;
2624 if (sdev->freeze == 0) {
2625 SBP_LOCK(sdev->target->sbp);
2626 SBP_DEVICE_FREEZE(sdev, 1);
2627 sdev->freeze ++;
2628 SBP_UNLOCK(sdev->target->sbp);
2629 }
2630 SCSI_TRANSFER_DONE(sxfer);
2631 return;
2632 }
2633
2634 ocb->flags = OCB_ACT_CMD;
2635 ocb->sdev = sdev;
2636 ocb->sxfer = sxfer;
2637 #if defined(__FreeBSD__)
2638 sxfer->ccb_h.ccb_sdev_ptr = sdev;
2639 #endif
2640 ocb->orb[0] = htonl(1 << 31);
2641 ocb->orb[1] = 0;
2642 ocb->orb[2] = htonl(((sbp->fd.fc->nodeid | FWLOCALBUS )<< 16) );
2643 ocb->orb[3] = htonl(ocb->bus_addr + IND_PTR_OFFSET);
2644 speed = min(target->fwdev->speed, max_speed);
2645 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_CMD_SPD(speed)
2646 | ORB_CMD_MAXP(speed + 7));
2647 if(SCSI_XFER_DIR(sxfer) == SCSI_XFER_DATA_IN){
2648 ocb->orb[4] |= htonl(ORB_CMD_IN);
2649 }
2650
2651 if (CAM_XFER_FLAGS(sxfer) & CAM_SCATTER_VALID)
2652 printf("sbp: CAM_SCATTER_VALID\n");
2653 if (CAM_XFER_FLAGS(sxfer) & CAM_DATA_PHYS)
2654 printf("sbp: CAM_DATA_PHYS\n");
2655
2656 cdb = SCSI_XFER_CMD(sxfer);
2657 memcpy((void *)&ocb->orb[5], cdb, SCSI_XFER_CMDLEN(sxfer));
2658 /*
2659 printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[0]), ntohl(ocb->orb[1]), ntohl(ocb->orb[2]), ntohl(ocb->orb[3]));
2660 printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[4]), ntohl(ocb->orb[5]), ntohl(ocb->orb[6]), ntohl(ocb->orb[7]));
2661 */
2662 if (SCSI_XFER_DATALEN(sxfer) > 0) {
2663 int s, error;
2664
2665 s = splsoftvm();
2666 error = fw_bus_dmamap_load(/*dma tag*/sbp->dmat,
2667 /*dma map*/ocb->dmamap,
2668 SCSI_XFER_DATA(sxfer),
2669 SCSI_XFER_DATALEN(sxfer),
2670 sbp_execute_ocb,
2671 ocb,
2672 /*flags*/0);
2673 splx(s);
2674 if (error)
2675 printf("sbp: bus_dmamap_load error %d\n", error);
2676 } else
2677 sbp_execute_ocb(ocb, NULL, 0, 0);
2678 break;
2679 }
2680 #if defined(__FreeBSD__)
2681 case XPT_CALC_GEOMETRY:
2682 {
2683 struct ccb_calc_geometry *ccg;
2684 #if defined(__DragonFly__) || __FreeBSD_version < 501100
2685 uint32_t size_mb;
2686 uint32_t secs_per_cylinder;
2687 int extended = 1;
2688 #endif
2689
2690 ccg = &sxfer->ccg;
2691 if (ccg->block_size == 0) {
2692 printf("sbp_action1: block_size is 0.\n");
2693 SCSI_XFER_ERROR(sxfer) = XS_REQ_INVALID;
2694 SCSI_TRANSFER_DONE(sxfer);
2695 break;
2696 }
2697 SBP_DEBUG(1)
2698 printf("%s:%d:%d:%d:XPT_CALC_GEOMETRY: "
2699 #if defined(__DragonFly__) || __FreeBSD_version < 500000
2700 "Volume size = %d\n",
2701 #else
2702 "Volume size = %jd\n",
2703 #endif
2704 fw_get_nameunit(sbp->fd.dev),
2705 cam_sim_path(sbp->sim),
2706 sxfer->ccb_h.target_id, sxfer->ccb_h.target_lun,
2707 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
2708 (uintmax_t)
2709 #endif
2710 ccg->volume_size);
2711 END_DEBUG
2712
2713 #if defined(__DragonFly__) || __FreeBSD_version < 501100
2714 size_mb = ccg->volume_size
2715 / ((1024L * 1024L) / ccg->block_size);
2716
2717 if (size_mb > 1024 && extended) {
2718 ccg->heads = 255;
2719 ccg->secs_per_track = 63;
2720 } else {
2721 ccg->heads = 64;
2722 ccg->secs_per_track = 32;
2723 }
2724 secs_per_cylinder = ccg->heads * ccg->secs_per_track;
2725 ccg->cylinders = ccg->volume_size / secs_per_cylinder;
2726 SCSI_XFER_ERROR(sxfer) = XS_REQ_CMP;
2727 #else
2728 cam_calc_geometry(ccg, /*extended*/1);
2729 #endif
2730 SCSI_TRANSFER_DONE(sxfer);
2731 break;
2732 }
2733 case XPT_RESET_BUS: /* Reset the specified SCSI bus */
2734 {
2735
2736 SBP_DEBUG(1)
2737 printf("%s:%d:XPT_RESET_BUS: \n",
2738 fw_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim));
2739 END_DEBUG
2740
2741 SCSI_XFER_ERROR(sxfer) = XS_REQ_INVALID;
2742 SCSI_TRANSFER_DONE(sxfer);
2743 break;
2744 }
2745 case XPT_PATH_INQ: /* Path routing inquiry */
2746 {
2747 struct ccb_pathinq *cpi = &sxfer->cpi;
2748 struct cam_sim *sim = sbp->sim;
2749
2750 SBP_DEBUG(1)
2751 printf("%s:%d:%d XPT_PATH_INQ:.\n",
2752 fw_get_nameunit(sbp->fd.dev),
2753 sxfer->ccb_h.target_id, sxfer->ccb_h.target_lun);
2754 END_DEBUG
2755 cpi->version_num = 1; /* XXX??? */
2756 cpi->hba_inquiry = PI_TAG_ABLE;
2757 cpi->target_sprt = 0;
2758 cpi->hba_misc = PIM_NOBUSRESET | PIM_NO_6_BYTE;
2759 cpi->hba_eng_cnt = 0;
2760 cpi->max_target = SBP_NUM_TARGETS - 1;
2761 cpi->max_lun = SBP_NUM_LUNS - 1;
2762 cpi->initiator_id = SBP_INITIATOR;
2763 cpi->bus_id = sim->bus_id;
2764 cpi->base_transfer_speed = 400 * 1000 / 8;
2765 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
2766 strncpy(cpi->hba_vid, "SBP", HBA_IDLEN);
2767 strncpy(cpi->dev_name, sim->sim_name, DEV_IDLEN);
2768 cpi->unit_number = sim->unit_number;
2769 cpi->transport = XPORT_SPI; /* XX should havea FireWire */
2770 cpi->transport_version = 2;
2771 cpi->protocol = PROTO_SCSI;
2772 cpi->protocol_version = SCSI_REV_2;
2773
2774 SCSI_XFER_ERROR(cpi) = XS_REQ_CMP;
2775 SCSI_TRANSFER_DONE(sxfer);
2776 break;
2777 }
2778 case XPT_GET_TRAN_SETTINGS:
2779 {
2780 struct ccb_trans_settings *cts = &sxfer->cts;
2781 struct ccb_trans_settings_scsi *scsi =
2782 &cts->proto_specific.scsi;
2783 struct ccb_trans_settings_spi *spi =
2784 &cts->xport_specific.spi;
2785
2786 cts->protocol = PROTO_SCSI;
2787 cts->protocol_version = SCSI_REV_2;
2788 cts->transport = XPORT_SPI; /* should have a FireWire */
2789 cts->transport_version = 2;
2790 spi->valid = CTS_SPI_VALID_DISC;
2791 spi->flags = CTS_SPI_FLAGS_DISC_ENB;
2792 scsi->valid = CTS_SCSI_VALID_TQ;
2793 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
2794 SBP_DEBUG(1)
2795 printf("%s:%d:%d XPT_GET_TRAN_SETTINGS:.\n",
2796 fw_get_nameunit(sbp->fd.dev),
2797 sxfer->ccb_h.target_id, sxfer->ccb_h.target_lun);
2798 END_DEBUG
2799 SCSI_XFER_ERROR(cts) = XS_REQ_CMP;
2800 SCSI_TRANSFER_DONE(sxfer);
2801 break;
2802 }
2803 case XPT_ABORT:
2804 SCSI_XFER_ERROR(sxfer) = XS_UA_ABORT;
2805 SCSI_TRANSFER_DONE(sxfer);
2806 break;
2807 case XPT_SET_TRAN_SETTINGS:
2808 /* XXX */
2809 default:
2810 SCSI_XFER_ERROR(sxfer) = XS_REQ_INVALID;
2811 SCSI_TRANSFER_DONE(sxfer);
2812 break;
2813 #endif
2814 }
2815 return;
2816 }
2817
2818 #if defined(__FreeBSD__)
2819 static void
2820 sbp_action(struct cam_sim *sim, sbp_scsi_xfer *sxfer)
2821 {
2822 int s;
2823
2824 s = splfw();
2825 sbp_action1(sim->softc, sxfer);
2826 splx(s);
2827 }
2828 #endif
2829
2830 static void
2831 sbp_execute_ocb(void *arg, bus_dma_segment_t *segments, int seg, int error)
2832 {
2833 int i;
2834 struct sbp_ocb *ocb;
2835 struct sbp_ocb *prev;
2836 bus_dma_segment_t *s;
2837
2838 if (error)
2839 printf("sbp_execute_ocb: error=%d\n", error);
2840
2841 ocb = (struct sbp_ocb *)arg;
2842
2843 SBP_DEBUG(2)
2844 printf("sbp_execute_ocb: seg %d", seg);
2845 for (i = 0; i < seg; i++)
2846 #if defined(__DragonFly__) || \
2847 (defined(__FreeBSD__) && __FreeBSD_version < 500000)
2848 printf(", %x:%d", segments[i].ds_addr, segments[i].ds_len);
2849 #else
2850 printf(", %jx:%jd", (uintmax_t)segments[i].ds_addr,
2851 (uintmax_t)segments[i].ds_len);
2852 #endif
2853 printf("\n");
2854 END_DEBUG
2855
2856 if (seg == 1) {
2857 /* direct pointer */
2858 s = &segments[0];
2859 if (s->ds_len > SBP_SEG_MAX)
2860 panic("ds_len > SBP_SEG_MAX, fix busdma code");
2861 ocb->orb[3] = htonl(s->ds_addr);
2862 ocb->orb[4] |= htonl(s->ds_len);
2863 } else if(seg > 1) {
2864 /* page table */
2865 for (i = 0; i < seg; i++) {
2866 s = &segments[i];
2867 SBP_DEBUG(0)
2868 /* XXX LSI Logic "< 16 byte" bug might be hit */
2869 if (s->ds_len < 16)
2870 printf("sbp_execute_ocb: warning, "
2871 #if defined(__DragonFly__) || \
2872 (defined(__FreeBSD__) && __FreeBSD_version < 500000)
2873 "segment length(%d) is less than 16."
2874 #else
2875 "segment length(%jd) is less than 16."
2876 #endif
2877 "(seg=%d/%d)\n", (uintmax_t)s->ds_len, i+1, seg);
2878 END_DEBUG
2879 if (s->ds_len > SBP_SEG_MAX)
2880 panic("ds_len > SBP_SEG_MAX, fix busdma code");
2881 ocb->ind_ptr[i].hi = htonl(s->ds_len << 16);
2882 ocb->ind_ptr[i].lo = htonl(s->ds_addr);
2883 }
2884 ocb->orb[4] |= htonl(ORB_CMD_PTBL | seg);
2885 }
2886
2887 if (seg > 0)
2888 fw_bus_dmamap_sync(ocb->sdev->target->sbp->dmat, ocb->dmamap,
2889 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ?
2890 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE);
2891 prev = sbp_enqueue_ocb(ocb->sdev, ocb);
2892 fwdma_sync(&ocb->sdev->dma, BUS_DMASYNC_PREWRITE);
2893 if (use_doorbell) {
2894 if (prev == NULL) {
2895 if (ocb->sdev->last_ocb != NULL)
2896 sbp_doorbell(ocb->sdev);
2897 else
2898 sbp_orb_pointer(ocb->sdev, ocb);
2899 }
2900 } else {
2901 if (prev == NULL || (ocb->sdev->flags & ORB_LINK_DEAD) != 0) {
2902 ocb->sdev->flags &= ~ORB_LINK_DEAD;
2903 sbp_orb_pointer(ocb->sdev, ocb);
2904 }
2905 }
2906 }
2907
2908 #if defined(__FreeBSD__)
2909 static void
2910 sbp_poll(struct cam_sim *sim)
2911 {
2912 struct sbp_softc *sbp;
2913 struct firewire_comm *fc;
2914
2915 sbp = (struct sbp_softc *)sim->softc;
2916 fc = sbp->fd.fc;
2917
2918 fc->poll(fc, 0, -1);
2919
2920 return;
2921 }
2922
2923 #endif
2924 static struct sbp_ocb *
2925 sbp_dequeue_ocb(struct sbp_dev *sdev, struct sbp_status *sbp_status)
2926 {
2927 struct sbp_ocb *ocb;
2928 struct sbp_ocb *next;
2929 int s = splfw(), order = 0;
2930 int flags;
2931
2932 SBP_DEBUG(1)
2933 sbp_show_sdev_info(sdev, 2);
2934 #if defined(__DragonFly__) || \
2935 (defined(__FreeBSD__) && __FreeBSD_version < 500000)
2936 printf("%s: 0x%08lx src %d\n",
2937 #else
2938 printf("%s: 0x%08x src %d\n",
2939 #endif
2940 __func__, ntohl(sbp_status->orb_lo), sbp_status->src);
2941 END_DEBUG
2942 SBP_LOCK(sdev->target->sbp);
2943 for (ocb = STAILQ_FIRST(&sdev->ocbs); ocb != NULL; ocb = next) {
2944 next = STAILQ_NEXT(ocb, ocb);
2945 flags = ocb->flags;
2946 if (OCB_MATCH(ocb, sbp_status)) {
2947 /* found */
2948 STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb);
2949 if (ocb->sxfer != NULL)
2950 #if defined(__DragonFly__) || defined(__NetBSD__)
2951 fw_callout_stop(&SCSI_XFER_CALLOUT(ocb->sxfer));
2952 #else
2953 untimeout(sbp_timeout, (void *)ocb,
2954 SCSI_XFER_CALLOUT(ocb->sxfer));
2955 #endif
2956 if (ntohl(ocb->orb[4]) & 0xffff) {
2957 fw_bus_dmamap_sync(sdev->target->sbp->dmat,
2958 ocb->dmamap,
2959 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ?
2960 BUS_DMASYNC_POSTREAD :
2961 BUS_DMASYNC_POSTWRITE);
2962 fw_bus_dmamap_unload(sdev->target->sbp->dmat,
2963 ocb->dmamap);
2964 }
2965 if (!use_doorbell) {
2966 if (sbp_status->src == SRC_NO_NEXT) {
2967 if (next != NULL)
2968 sbp_orb_pointer(sdev, next);
2969 else if (order > 0) {
2970 /*
2971 * Unordered execution
2972 * We need to send pointer for
2973 * next ORB
2974 */
2975 sdev->flags |= ORB_LINK_DEAD;
2976 }
2977 }
2978 } else {
2979 /*
2980 * XXX this is not correct for unordered
2981 * execution.
2982 */
2983 if (sdev->last_ocb != NULL)
2984 sbp_free_ocb(sdev, sdev->last_ocb);
2985 sdev->last_ocb = ocb;
2986 if (next != NULL &&
2987 sbp_status->src == SRC_NO_NEXT)
2988 sbp_doorbell(sdev);
2989 }
2990 break;
2991 } else
2992 order ++;
2993 }
2994 SBP_UNLOCK(sdev->target->sbp);
2995 splx(s);
2996 SBP_DEBUG(0)
2997 if (ocb && order > 0) {
2998 sbp_show_sdev_info(sdev, 2);
2999 printf("unordered execution order:%d\n", order);
3000 }
3001 END_DEBUG
3002 return (ocb);
3003 }
3004
3005 static struct sbp_ocb *
3006 sbp_enqueue_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb)
3007 {
3008 int s = splfw();
3009 struct sbp_ocb *prev, *prev2;
3010
3011 SBP_DEBUG(1)
3012 sbp_show_sdev_info(sdev, 2);
3013 #if defined(__DragonFly__) || \
3014 (defined(__FreeBSD__) && __FreeBSD_version < 500000)
3015 printf("%s: 0x%08x\n", __func__, ocb->bus_addr);
3016 #else
3017 printf("%s: 0x%08jx\n", __func__, (uintmax_t)ocb->bus_addr);
3018 #endif
3019 END_DEBUG
3020 prev2 = prev = STAILQ_LAST(&sdev->ocbs, sbp_ocb, ocb);
3021 STAILQ_INSERT_TAIL(&sdev->ocbs, ocb, ocb);
3022
3023 if (ocb->sxfer != NULL)
3024 #if defined(__DragonFly__) || defined(__NetBSD__)
3025 fw_callout_reset(&SCSI_XFER_CALLOUT(ocb->sxfer),
3026 mstohz(SCSI_XFER_TIMEOUT(ocb->sxfer)), sbp_timeout, ocb);
3027 #else
3028 SCSI_XFER_CALLOUT(ocb->sxfer) = timeout(sbp_timeout,
3029 (void *)ocb, mstohz(SCSI_XFER_TIMEOUT(ocb->sxfer)));
3030 #endif
3031
3032 if (use_doorbell && prev == NULL)
3033 prev2 = sdev->last_ocb;
3034
3035 if (prev2 != NULL) {
3036 SBP_DEBUG(2)
3037 #if defined(__DragonFly__) || \
3038 (defined(__FreeBSD__) && __FreeBSD_version < 500000)
3039 printf("linking chain 0x%x -> 0x%x\n",
3040 prev2->bus_addr, ocb->bus_addr);
3041 #else
3042 printf("linking chain 0x%jx -> 0x%jx\n",
3043 (uintmax_t)prev2->bus_addr, (uintmax_t)ocb->bus_addr);
3044 #endif
3045 END_DEBUG
3046 prev2->orb[1] = htonl(ocb->bus_addr);
3047 prev2->orb[0] = 0;
3048 }
3049 splx(s);
3050
3051 return prev;
3052 }
3053
3054 static struct sbp_ocb *
3055 sbp_get_ocb(struct sbp_dev *sdev)
3056 {
3057 struct sbp_ocb *ocb;
3058 int s = splfw();
3059
3060 fw_mtx_assert(&sdev->target->sbp->mtx, MA_OWNED);
3061 ocb = STAILQ_FIRST(&sdev->free_ocbs);
3062 if (ocb == NULL) {
3063 sdev->flags |= ORB_SHORTAGE;
3064 printf("ocb shortage!!!\n");
3065 splx(s);
3066 return NULL;
3067 }
3068 STAILQ_REMOVE_HEAD(&sdev->free_ocbs, ocb);
3069 splx(s);
3070 ocb->sxfer = NULL;
3071 return (ocb);
3072 }
3073
3074 static void
3075 sbp_free_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb)
3076 {
3077 ocb->flags = 0;
3078 ocb->sxfer = NULL;
3079
3080 SBP_LOCK(sdev->target->sbp);
3081 STAILQ_INSERT_TAIL(&sdev->free_ocbs, ocb, ocb);
3082 if ((sdev->flags & ORB_SHORTAGE) != 0) {
3083 int count;
3084
3085 sdev->flags &= ~ORB_SHORTAGE;
3086 count = sdev->freeze;
3087 sdev->freeze = 0;
3088 SBP_DEVICE_THAW(sdev, count);
3089 }
3090 SBP_UNLOCK(sdev->target->sbp);
3091 }
3092
3093 static void
3094 sbp_abort_ocb(struct sbp_ocb *ocb, int status)
3095 {
3096 struct sbp_dev *sdev;
3097
3098 sdev = ocb->sdev;
3099 SBP_DEBUG(0)
3100 sbp_show_sdev_info(sdev, 2);
3101 #if defined(__DragonFly__) || \
3102 (defined(__FreeBSD__) && __FreeBSD_version < 500000)
3103 printf("sbp_abort_ocb 0x%x\n", ocb->bus_addr);
3104 #else
3105 printf("sbp_abort_ocb 0x%jx\n", (uintmax_t)ocb->bus_addr);
3106 #endif
3107 END_DEBUG
3108 SBP_DEBUG(1)
3109 if (ocb->sxfer != NULL)
3110 sbp_print_scsi_cmd(ocb);
3111 END_DEBUG
3112 if (ntohl(ocb->orb[4]) & 0xffff) {
3113 fw_bus_dmamap_sync(sdev->target->sbp->dmat, ocb->dmamap,
3114 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ?
3115 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
3116 fw_bus_dmamap_unload(sdev->target->sbp->dmat, ocb->dmamap);
3117 }
3118 if (ocb->sxfer != NULL) {
3119 #if defined(__DragonFly__ ) || defined(__NetBSD__)
3120 fw_callout_stop(&SCSI_XFER_CALLOUT(ocb->sxfer));
3121 #else
3122 untimeout(sbp_timeout, (void *)ocb,
3123 SCSI_XFER_CALLOUT(ocb->sxfer));
3124 #endif
3125 SCSI_XFER_ERROR(ocb->sxfer) = status;
3126 SBP_LOCK(sdev->target->sbp);
3127 SCSI_TRANSFER_DONE(ocb->sxfer);
3128 SBP_UNLOCK(sdev->target->sbp);
3129 }
3130 sbp_free_ocb(sdev, ocb);
3131 }
3132
3133 static void
3134 sbp_abort_all_ocbs(struct sbp_dev *sdev, int status)
3135 {
3136 int s;
3137 struct sbp_ocb *ocb, *next;
3138 STAILQ_HEAD(, sbp_ocb) temp;
3139
3140 s = splfw();
3141
3142 memcpy(&temp, &sdev->ocbs, sizeof(temp));
3143 STAILQ_INIT(&sdev->ocbs);
3144 for (ocb = STAILQ_FIRST(&temp); ocb != NULL; ocb = next) {
3145 next = STAILQ_NEXT(ocb, ocb);
3146 sbp_abort_ocb(ocb, status);
3147 }
3148 if (sdev->last_ocb != NULL) {
3149 sbp_free_ocb(sdev, sdev->last_ocb);
3150 sdev->last_ocb = NULL;
3151 }
3152
3153 splx(s);
3154 }
3155
3156 #if defined(__FreeBSD__)
3157 static devclass_t sbp_devclass;
3158
3159 static device_method_t sbp_methods[] = {
3160 /* device interface */
3161 DEVMETHOD(device_probe, sbp_probe),
3162 DEVMETHOD(device_attach, sbp_attach),
3163 DEVMETHOD(device_detach, sbp_detach),
3164 DEVMETHOD(device_shutdown, sbp_shutdown),
3165
3166 { 0, 0 }
3167 };
3168
3169 static driver_t sbp_driver = {
3170 "sbp",
3171 sbp_methods,
3172 sizeof(struct sbp_softc),
3173 };
3174 #ifdef __DragonFly__
3175 DECLARE_DUMMY_MODULE(sbp);
3176 #endif
3177 DRIVER_MODULE(sbp, firewire, sbp_driver, sbp_devclass, 0, 0);
3178 MODULE_VERSION(sbp, 1);
3179 MODULE_DEPEND(sbp, firewire, 1, 1, 1);
3180 MODULE_DEPEND(sbp, cam, 1, 1, 1);
3181 #elif defined(__NetBSD__)
3182 static void
3183 sbp_scsipi_request(
3184 struct scsipi_channel *channel, scsipi_adapter_req_t req, void *arg)
3185 {
3186 int i, s;
3187 struct sbp_softc *sbp =
3188 device_private(channel->chan_adapter->adapt_dev);
3189 struct scsipi_xfer *xs = arg;
3190
3191 if (debug > 1)
3192 printf("Called sbpscsi_scsipi_request\n");
3193
3194 switch (req) {
3195 case ADAPTER_REQ_RUN_XFER:
3196 if (debug > 1) {
3197 printf("Got req_run_xfer\n");
3198 printf("xs control: 0x%08x, timeout: %d\n",
3199 xs->xs_control, xs->timeout);
3200 printf("opcode: 0x%02x\n", (int)xs->cmd->opcode);
3201 for (i = 0; i < 15; i++)
3202 printf("0x%02x ",(int)xs->cmd->bytes[i]);
3203 printf("\n");
3204 }
3205 if (xs->xs_control & XS_CTL_RESET) {
3206 if (debug > 1)
3207 printf("XS_CTL_RESET not support\n");
3208 break;
3209 }
3210 #define SBPSCSI_SBP2_MAX_CDB 12
3211 if (xs->cmdlen > SBPSCSI_SBP2_MAX_CDB) {
3212 if (debug > 0)
3213 printf(
3214 "sbp doesn't support cdb's larger than %d "
3215 "bytes\n", SBPSCSI_SBP2_MAX_CDB);
3216 SCSI_XFER_ERROR(xs) = XS_REQ_INVALID;
3217 SCSI_TRANSFER_DONE(xs);
3218 return;
3219 }
3220 s = splfw();
3221 sbp_action1(sbp, xs);
3222 splx(s);
3223
3224 break;
3225 case ADAPTER_REQ_GROW_RESOURCES:
3226 if (debug > 1)
3227 printf("Got req_grow_resources\n");
3228 break;
3229 case ADAPTER_REQ_SET_XFER_MODE:
3230 if (debug > 1)
3231 printf("Got set xfer mode\n");
3232 break;
3233 default:
3234 panic("Unknown request: %d\n", (int)req);
3235 }
3236 }
3237
3238 static void
3239 sbp_minphys(struct buf *bp)
3240 {
3241 minphys(bp);
3242 }
3243
3244 CFATTACH_DECL_NEW(sbp, sizeof(struct sbp_softc),
3245 sbpmatch, sbpattach, sbpdetach, NULL);
3246 #endif
NetBSD on the FriendlyARM MINI2440