1 /* 2 * Copyright (c) 2003 Hidetosh Shimokawa 3 * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetosh Shimokawa 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 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: 16 * 17 * This product includes software developed by K. Kobayashi and H. Shimokawa 18 * 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. 21 * 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. 33 * 34 * $FreeBSD$ 35 * 36 */ 37 38 #include <sys/param.h> 39 #include <sys/systm.h> 40 #include <sys/module.h> 41 #include <sys/bus.h> 42 #include <sys/sysctl.h> 43 #include <machine/bus.h> 44 #include <sys/malloc.h> 45 #if __FreeBSD_version >= 501102 46 #include <sys/lock.h> 47 #include <sys/mutex.h> 48 #endif 49 50 #if __FreeBSD_version < 500106 51 #include <sys/devicestat.h> /* for struct devstat */ 52 #endif 53 54 #include <cam/cam.h> 55 #include <cam/cam_ccb.h> 56 #include <cam/cam_sim.h> 57 #include <cam/cam_xpt_sim.h> 58 #include <cam/cam_debug.h> 59 #include <cam/cam_periph.h> 60 61 #include <cam/scsi/scsi_all.h> 62 63 #include <sys/kernel.h> 64 65 #include <dev/firewire/firewire.h> 66 #include <dev/firewire/firewirereg.h> 67 #include <dev/firewire/fwdma.h> 68 #include <dev/firewire/iec13213.h> 69 #include <dev/firewire/sbp.h> 70 71 #define ccb_sdev_ptr spriv_ptr0 72 #define ccb_sbp_ptr spriv_ptr1 73 74 #define SBP_NUM_TARGETS 8 /* MAX 64 */ 75 #define SBP_NUM_LUNS 8 /* limited by CAM_SCSI2_MAXLUN in cam_xpt.c */ 76 #define SBP_DMA_SIZE PAGE_SIZE 77 #define SBP_LOGIN_SIZE sizeof(struct sbp_login_res) 78 #define SBP_QUEUE_LEN ((SBP_DMA_SIZE - SBP_LOGIN_SIZE) / sizeof(struct sbp_ocb)) 79 #define SBP_NUM_OCB (SBP_QUEUE_LEN * SBP_NUM_TARGETS) 80 81 /* 82 * STATUS FIFO addressing 83 * bit 84 * ----------------------- 85 * 0- 1( 2): 0 (alingment) 86 * 2- 7( 6): target 87 * 8-15( 8): lun 88 * 16-31( 8): reserved 89 * 32-47(16): SBP_BIND_HI 90 * 48-64(16): bus_id, node_id 91 */ 92 #define SBP_BIND_HI 0x1 93 #define SBP_DEV2ADDR(t, l) \ 94 (((u_int64_t)SBP_BIND_HI << 32) \ 95 | (((l) & 0xff) << 8) \ 96 | (((t) & 0x3f) << 2)) 97 #define SBP_ADDR2TRG(a) (((a) >> 2) & 0x3f) 98 #define SBP_ADDR2LUN(a) (((a) >> 8) & 0xff) 99 #define SBP_INITIATOR 7 100 101 #define LOGIN_DELAY 1 102 103 static char *orb_fun_name[] = { 104 ORB_FUN_NAMES 105 }; 106 107 static int debug = 0; 108 static int auto_login = 1; 109 static int max_speed = 2; 110 static int sbp_cold = 1; 111 112 SYSCTL_DECL(_hw_firewire); 113 SYSCTL_NODE(_hw_firewire, OID_AUTO, sbp, CTLFLAG_RD, 0, "SBP-II Subsystem"); 114 SYSCTL_INT(_debug, OID_AUTO, sbp_debug, CTLFLAG_RW, &debug, 0, 115 "SBP debug flag"); 116 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, auto_login, CTLFLAG_RW, &auto_login, 0, 117 "SBP perform login automatically"); 118 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, max_speed, CTLFLAG_RW, &max_speed, 0, 119 "SBP transfer max speed"); 120 121 #define NEED_RESPONSE 0 122 123 #define SBP_SEG_MAX rounddown(0xffff, PAGE_SIZE) 124 #ifdef __sparc64__ /* iommu */ 125 #define SBP_IND_MAX howmany(MAXPHYS, SBP_SEG_MAX) 126 #else 127 #define SBP_IND_MAX howmany(MAXPHYS, PAGE_SIZE) 128 #endif 129 struct sbp_ocb { 130 STAILQ_ENTRY(sbp_ocb) ocb; 131 union ccb *ccb; 132 bus_addr_t bus_addr; 133 u_int32_t orb[8]; 134 #define IND_PTR_OFFSET (8*sizeof(u_int32_t)) 135 struct ind_ptr ind_ptr[SBP_IND_MAX]; 136 struct sbp_dev *sdev; 137 int flags; /* XXX should be removed */ 138 bus_dmamap_t dmamap; 139 }; 140 141 #define OCB_ACT_MGM 0 142 #define OCB_ACT_CMD 1 143 #define OCB_MATCH(o,s) ((o)->bus_addr == ntohl((s)->orb_lo)) 144 145 struct sbp_dev{ 146 #define SBP_DEV_RESET 0 /* accept login */ 147 #define SBP_DEV_LOGIN 1 /* to login */ 148 #if 0 149 #define SBP_DEV_RECONN 2 /* to reconnect */ 150 #endif 151 #define SBP_DEV_TOATTACH 3 /* to attach */ 152 #define SBP_DEV_PROBE 4 /* scan lun */ 153 #define SBP_DEV_ATTACHED 5 /* in operation */ 154 #define SBP_DEV_DEAD 6 /* unavailable unit */ 155 #define SBP_DEV_RETRY 7 /* unavailable unit */ 156 u_int8_t status:4, 157 timeout:4; 158 u_int8_t type; 159 u_int16_t lun_id; 160 int freeze; 161 struct cam_path *path; 162 struct sbp_target *target; 163 struct fwdma_alloc dma; 164 struct sbp_login_res *login; 165 struct callout login_callout; 166 struct sbp_ocb *ocb; 167 STAILQ_HEAD(, sbp_ocb) ocbs; 168 STAILQ_HEAD(, sbp_ocb) free_ocbs; 169 char vendor[32]; 170 char product[32]; 171 char revision[10]; 172 }; 173 174 struct sbp_target { 175 int target_id; 176 int num_lun; 177 struct sbp_dev *luns; 178 struct sbp_softc *sbp; 179 struct fw_device *fwdev; 180 u_int32_t mgm_hi, mgm_lo; 181 struct sbp_ocb *mgm_ocb_cur; 182 STAILQ_HEAD(, sbp_ocb) mgm_ocb_queue; 183 struct callout mgm_ocb_timeout; 184 #define SCAN_DELAY 1 185 struct callout scan_callout; 186 STAILQ_HEAD(, fw_xfer) xferlist; 187 int n_xfer; 188 }; 189 190 struct sbp_softc { 191 struct firewire_dev_comm fd; 192 struct cam_sim *sim; 193 struct cam_path *path; 194 struct sbp_target targets[SBP_NUM_TARGETS]; 195 struct fw_bind fwb; 196 bus_dma_tag_t dmat; 197 #define SBP_RESOURCE_SHORTAGE 0x10 198 unsigned char flags; 199 }; 200 static void sbp_post_explore __P((void *)); 201 static void sbp_recv __P((struct fw_xfer *)); 202 static void sbp_mgm_callback __P((struct fw_xfer *)); 203 static void sbp_cmd_callback __P((struct fw_xfer *)); 204 static void sbp_orb_pointer __P((struct sbp_dev *, struct sbp_ocb *)); 205 static void sbp_execute_ocb __P((void *, bus_dma_segment_t *, int, int)); 206 static void sbp_free_ocb __P((struct sbp_dev *, struct sbp_ocb *)); 207 static void sbp_abort_ocb __P((struct sbp_ocb *, int)); 208 static void sbp_abort_all_ocbs __P((struct sbp_dev *, int)); 209 static struct fw_xfer * sbp_write_cmd __P((struct sbp_dev *, int, int)); 210 static struct sbp_ocb * sbp_get_ocb __P((struct sbp_dev *)); 211 static struct sbp_ocb * sbp_enqueue_ocb __P((struct sbp_dev *, struct sbp_ocb *)); 212 static struct sbp_ocb * sbp_dequeue_ocb __P((struct sbp_dev *, struct sbp_status *)); 213 static void sbp_cam_detach_target __P((struct sbp_target *)); 214 static void sbp_mgm_timeout __P((void *arg)); 215 static void sbp_timeout __P((void *arg)); 216 static void sbp_mgm_orb __P((struct sbp_dev *, int, struct sbp_ocb *)); 217 #define sbp_login(sdev) \ 218 callout_reset(&(sdev)->login_callout, LOGIN_DELAY * hz, \ 219 sbp_login_callout, (void *)(sdev)); 220 221 MALLOC_DEFINE(M_SBP, "sbp", "SBP-II/FireWire"); 222 223 /* cam related functions */ 224 static void sbp_action(struct cam_sim *sim, union ccb *ccb); 225 static void sbp_poll(struct cam_sim *sim); 226 static void sbp_cam_scan_lun(struct cam_periph *, union ccb *); 227 static void sbp_cam_scan_target(void *arg); 228 229 static char *orb_status0[] = { 230 /* 0 */ "No additional information to report", 231 /* 1 */ "Request type not supported", 232 /* 2 */ "Speed not supported", 233 /* 3 */ "Page size not supported", 234 /* 4 */ "Access denied", 235 /* 5 */ "Logical unit not supported", 236 /* 6 */ "Maximum payload too small", 237 /* 7 */ "Reserved for future standardization", 238 /* 8 */ "Resources unavailable", 239 /* 9 */ "Function rejected", 240 /* A */ "Login ID not recognized", 241 /* B */ "Dummy ORB completed", 242 /* C */ "Request aborted", 243 /* FF */ "Unspecified error" 244 #define MAX_ORB_STATUS0 0xd 245 }; 246 247 static char *orb_status1_object[] = { 248 /* 0 */ "Operation request block (ORB)", 249 /* 1 */ "Data buffer", 250 /* 2 */ "Page table", 251 /* 3 */ "Unable to specify" 252 }; 253 254 static char *orb_status1_serial_bus_error[] = { 255 /* 0 */ "Missing acknowledge", 256 /* 1 */ "Reserved; not to be used", 257 /* 2 */ "Time-out error", 258 /* 3 */ "Reserved; not to be used", 259 /* 4 */ "Busy retry limit exceeded(X)", 260 /* 5 */ "Busy retry limit exceeded(A)", 261 /* 6 */ "Busy retry limit exceeded(B)", 262 /* 7 */ "Reserved for future standardization", 263 /* 8 */ "Reserved for future standardization", 264 /* 9 */ "Reserved for future standardization", 265 /* A */ "Reserved for future standardization", 266 /* B */ "Tardy retry limit exceeded", 267 /* C */ "Conflict error", 268 /* D */ "Data error", 269 /* E */ "Type error", 270 /* F */ "Address error" 271 }; 272 273 static void 274 sbp_identify(driver_t *driver, device_t parent) 275 { 276 device_t child; 277 SBP_DEBUG(0) 278 printf("sbp_identify\n"); 279 END_DEBUG 280 281 child = BUS_ADD_CHILD(parent, 0, "sbp", device_get_unit(parent)); 282 } 283 284 /* 285 * sbp_probe() 286 */ 287 static int 288 sbp_probe(device_t dev) 289 { 290 device_t pa; 291 292 SBP_DEBUG(0) 293 printf("sbp_probe\n"); 294 END_DEBUG 295 296 pa = device_get_parent(dev); 297 if(device_get_unit(dev) != device_get_unit(pa)){ 298 return(ENXIO); 299 } 300 301 device_set_desc(dev, "SBP-2/SCSI over FireWire"); 302 303 if (bootverbose) 304 debug = bootverbose; 305 return (0); 306 } 307 308 static void 309 sbp_show_sdev_info(struct sbp_dev *sdev, int new) 310 { 311 struct fw_device *fwdev; 312 313 printf("%s:%d:%d ", 314 device_get_nameunit(sdev->target->sbp->fd.dev), 315 sdev->target->target_id, 316 sdev->lun_id 317 ); 318 if (new == 2) { 319 return; 320 } 321 fwdev = sdev->target->fwdev; 322 printf("ordered:%d type:%d EUI:%08x%08x node:%d " 323 "speed:%d maxrec:%d", 324 (sdev->type & 0x40) >> 6, 325 (sdev->type & 0x1f), 326 fwdev->eui.hi, 327 fwdev->eui.lo, 328 fwdev->dst, 329 fwdev->speed, 330 fwdev->maxrec 331 ); 332 if (new) 333 printf(" new!\n"); 334 else 335 printf("\n"); 336 sbp_show_sdev_info(sdev, 2); 337 printf("'%s' '%s' '%s'\n", sdev->vendor, sdev->product, sdev->revision); 338 } 339 340 static struct { 341 int bus; 342 int target; 343 struct fw_eui64 eui; 344 } wired[] = { 345 /* Bus Target EUI64 */ 346 #if 0 347 {0, 2, {0x00018ea0, 0x01fd0154}}, /* Logitec HDD */ 348 {0, 0, {0x00018ea6, 0x00100682}}, /* Logitec DVD */ 349 {0, 1, {0x00d03200, 0xa412006a}}, /* Yano HDD */ 350 #endif 351 {-1, -1, {0,0}} 352 }; 353 354 static int 355 sbp_new_target(struct sbp_softc *sbp, struct fw_device *fwdev) 356 { 357 int bus, i, target=-1; 358 char w[SBP_NUM_TARGETS]; 359 360 bzero(w, sizeof(w)); 361 bus = device_get_unit(sbp->fd.dev); 362 363 /* XXX wired-down configuration should be gotten from 364 tunable or device hint */ 365 for (i = 0; wired[i].bus >= 0; i ++) { 366 if (wired[i].bus == bus) { 367 w[wired[i].target] = 1; 368 if (wired[i].eui.hi == fwdev->eui.hi && 369 wired[i].eui.lo == fwdev->eui.lo) 370 target = wired[i].target; 371 } 372 } 373 if (target >= 0) { 374 if(target < SBP_NUM_TARGETS && 375 sbp->targets[target].fwdev == NULL) 376 return(target); 377 device_printf(sbp->fd.dev, 378 "target %d is not free for %08x:%08x\n", 379 target, fwdev->eui.hi, fwdev->eui.lo); 380 target = -1; 381 } 382 /* non-wired target */ 383 for (i = 0; i < SBP_NUM_TARGETS; i ++) 384 if (sbp->targets[i].fwdev == NULL && w[i] == 0) { 385 target = i; 386 break; 387 } 388 389 return target; 390 } 391 392 static struct sbp_target * 393 sbp_alloc_target(struct sbp_softc *sbp, struct fw_device *fwdev) 394 { 395 int i, maxlun, lun; 396 struct sbp_target *target; 397 struct sbp_dev *sdev; 398 struct crom_context cc; 399 struct csrreg *reg; 400 401 SBP_DEBUG(1) 402 printf("sbp_alloc_target\n"); 403 END_DEBUG 404 i = sbp_new_target(sbp, fwdev); 405 if (i < 0) { 406 device_printf(sbp->fd.dev, "increase SBP_NUM_TARGETS!\n"); 407 return NULL; 408 } 409 /* new target */ 410 target = &sbp->targets[i]; 411 target->sbp = sbp; 412 target->fwdev = fwdev; 413 target->target_id = i; 414 /* XXX we may want to reload mgm port after each bus reset */ 415 /* XXX there might be multiple management agents */ 416 crom_init_context(&cc, target->fwdev->csrrom); 417 reg = crom_search_key(&cc, CROM_MGM); 418 if (reg == NULL || reg->val == 0) { 419 printf("NULL management address\n"); 420 target->fwdev = NULL; 421 return NULL; 422 } 423 target->mgm_hi = 0xffff; 424 target->mgm_lo = 0xf0000000 | (reg->val << 2); 425 target->mgm_ocb_cur = NULL; 426 SBP_DEBUG(1) 427 printf("target:%d mgm_port: %x\n", i, target->mgm_lo); 428 END_DEBUG 429 STAILQ_INIT(&target->xferlist); 430 target->n_xfer = 0; 431 STAILQ_INIT(&target->mgm_ocb_queue); 432 CALLOUT_INIT(&target->mgm_ocb_timeout); 433 CALLOUT_INIT(&target->scan_callout); 434 435 /* XXX num_lun may be changed. realloc luns? */ 436 crom_init_context(&cc, target->fwdev->csrrom); 437 /* XXX shoud parse appropriate unit directories only */ 438 maxlun = -1; 439 while (cc.depth >= 0) { 440 reg = crom_search_key(&cc, CROM_LUN); 441 if (reg == NULL) 442 break; 443 lun = reg->val & 0xffff; 444 SBP_DEBUG(0) 445 printf("target %d lun %d found\n", target->target_id, lun); 446 END_DEBUG 447 if (maxlun < lun) 448 maxlun = lun; 449 crom_next(&cc); 450 } 451 if (maxlun < 0) 452 printf("no lun found!\n"); 453 if (maxlun >= SBP_NUM_LUNS) 454 maxlun = SBP_NUM_LUNS; 455 target->num_lun = maxlun + 1; 456 target->luns = (struct sbp_dev *) malloc( 457 sizeof(struct sbp_dev) * target->num_lun, 458 M_SBP, M_NOWAIT | M_ZERO); 459 for (i = 0; i < target->num_lun; i++) { 460 sdev = &target->luns[i]; 461 sdev->lun_id = i; 462 sdev->target = target; 463 STAILQ_INIT(&sdev->ocbs); 464 CALLOUT_INIT(&sdev->login_callout); 465 sdev->status = SBP_DEV_DEAD; 466 } 467 crom_init_context(&cc, target->fwdev->csrrom); 468 while (cc.depth >= 0) { 469 reg = crom_search_key(&cc, CROM_LUN); 470 if (reg == NULL) 471 break; 472 lun = reg->val & 0xffff; 473 if (lun >= SBP_NUM_LUNS) { 474 printf("too large lun %d\n", lun); 475 continue; 476 } 477 sdev = &target->luns[lun]; 478 sdev->status = SBP_DEV_RESET; 479 sdev->type = (reg->val & 0xff0000) >> 16; 480 481 fwdma_malloc(sbp->fd.fc, 482 /* alignment */ sizeof(u_int32_t), 483 SBP_DMA_SIZE, &sdev->dma, BUS_DMA_NOWAIT); 484 if (sdev->dma.v_addr == NULL) { 485 printf("%s: dma space allocation failed\n", 486 __FUNCTION__); 487 return (NULL); 488 } 489 sdev->login = (struct sbp_login_res *) sdev->dma.v_addr; 490 sdev->ocb = (struct sbp_ocb *) 491 ((char *)sdev->dma.v_addr + SBP_LOGIN_SIZE); 492 bzero((char *)sdev->ocb, 493 sizeof (struct sbp_ocb) * SBP_QUEUE_LEN); 494 495 STAILQ_INIT(&sdev->free_ocbs); 496 for (i = 0; i < SBP_QUEUE_LEN; i++) { 497 struct sbp_ocb *ocb; 498 ocb = &sdev->ocb[i]; 499 ocb->bus_addr = sdev->dma.bus_addr 500 + SBP_LOGIN_SIZE 501 + sizeof(struct sbp_ocb) * i 502 + offsetof(struct sbp_ocb, orb[0]); 503 if (bus_dmamap_create(sbp->dmat, 0, &ocb->dmamap)) { 504 printf("sbp_attach: cannot create dmamap\n"); 505 return (NULL); 506 } 507 sbp_free_ocb(sdev, ocb); 508 } 509 crom_next(&cc); 510 } 511 return target; 512 } 513 514 static void 515 sbp_probe_lun(struct sbp_dev *sdev) 516 { 517 struct fw_device *fwdev; 518 struct crom_context c, *cc = &c; 519 struct csrreg *reg; 520 521 bzero(sdev->vendor, sizeof(sdev->vendor)); 522 bzero(sdev->product, sizeof(sdev->product)); 523 524 fwdev = sdev->target->fwdev; 525 crom_init_context(cc, fwdev->csrrom); 526 /* get vendor string */ 527 crom_search_key(cc, CSRKEY_VENDOR); 528 crom_next(cc); 529 crom_parse_text(cc, sdev->vendor, sizeof(sdev->vendor)); 530 /* skip to the unit directory for SBP-2 */ 531 while ((reg = crom_search_key(cc, CSRKEY_VER)) != NULL) { 532 if (reg->val == CSRVAL_T10SBP2) 533 break; 534 crom_next(cc); 535 } 536 /* get firmware revision */ 537 reg = crom_search_key(cc, CSRKEY_FIRM_VER); 538 if (reg != NULL) 539 snprintf(sdev->revision, sizeof(sdev->revision), 540 "%06x", reg->val); 541 /* get product string */ 542 crom_search_key(cc, CSRKEY_MODEL); 543 crom_next(cc); 544 crom_parse_text(cc, sdev->product, sizeof(sdev->product)); 545 } 546 547 static void 548 sbp_login_callout(void *arg) 549 { 550 struct sbp_dev *sdev = (struct sbp_dev *)arg; 551 sbp_mgm_orb(sdev, ORB_FUN_LGI, NULL); 552 } 553 554 #define SBP_FWDEV_ALIVE(fwdev) (((fwdev)->status == FWDEVATTACHED) \ 555 && crom_has_specver((fwdev)->csrrom, CSRVAL_ANSIT10, CSRVAL_T10SBP2)) 556 557 static void 558 sbp_probe_target(void *arg) 559 { 560 struct sbp_target *target = (struct sbp_target *)arg; 561 struct sbp_softc *sbp; 562 struct sbp_dev *sdev; 563 struct firewire_comm *fc; 564 int i, alive; 565 566 alive = SBP_FWDEV_ALIVE(target->fwdev); 567 SBP_DEBUG(1) 568 printf("sbp_probe_target %d\n", target->target_id); 569 if (!alive) 570 printf("not alive\n"); 571 END_DEBUG 572 573 sbp = target->sbp; 574 fc = target->sbp->fd.fc; 575 /* XXX untimeout mgm_ocb and dequeue */ 576 for (i=0; i < target->num_lun; i++) { 577 sdev = &target->luns[i]; 578 if (alive && (sdev->status != SBP_DEV_DEAD)) { 579 if (sdev->path != NULL) { 580 xpt_freeze_devq(sdev->path, 1); 581 sdev->freeze ++; 582 } 583 sbp_probe_lun(sdev); 584 SBP_DEBUG(0) 585 sbp_show_sdev_info(sdev, 586 (sdev->status == SBP_DEV_RESET)); 587 END_DEBUG 588 589 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET); 590 switch (sdev->status) { 591 case SBP_DEV_RESET: 592 /* new or revived target */ 593 if (auto_login) 594 sbp_login(sdev); 595 break; 596 case SBP_DEV_TOATTACH: 597 case SBP_DEV_PROBE: 598 case SBP_DEV_ATTACHED: 599 case SBP_DEV_RETRY: 600 default: 601 sbp_mgm_orb(sdev, ORB_FUN_RCN, NULL); 602 break; 603 } 604 } else { 605 switch (sdev->status) { 606 case SBP_DEV_ATTACHED: 607 SBP_DEBUG(0) 608 /* the device has gone */ 609 sbp_show_sdev_info(sdev, 2); 610 printf("lost target\n"); 611 END_DEBUG 612 if (sdev->path) { 613 xpt_freeze_devq(sdev->path, 1); 614 sdev->freeze ++; 615 } 616 sdev->status = SBP_DEV_RETRY; 617 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET); 618 break; 619 case SBP_DEV_PROBE: 620 case SBP_DEV_TOATTACH: 621 sdev->status = SBP_DEV_RESET; 622 break; 623 case SBP_DEV_RETRY: 624 case SBP_DEV_RESET: 625 case SBP_DEV_DEAD: 626 break; 627 } 628 } 629 } 630 } 631 632 static void 633 sbp_post_busreset(void *arg) 634 { 635 struct sbp_softc *sbp; 636 637 sbp = (struct sbp_softc *)arg; 638 SBP_DEBUG(0) 639 printf("sbp_post_busreset\n"); 640 END_DEBUG 641 } 642 643 static void 644 sbp_post_explore(void *arg) 645 { 646 struct sbp_softc *sbp = (struct sbp_softc *)arg; 647 struct sbp_target *target; 648 struct fw_device *fwdev; 649 int i, alive; 650 651 SBP_DEBUG(0) 652 printf("sbp_post_explore (sbp_cold=%d)\n", sbp_cold); 653 END_DEBUG 654 #if 0 /* 655 * XXX don't let CAM the bus rest. CAM tries to do something with 656 * freezed (DEV_RETRY) devices 657 */ 658 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL); 659 #endif 660 if (sbp_cold > 0) 661 sbp_cold --; 662 663 /* Gabage Collection */ 664 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){ 665 target = &sbp->targets[i]; 666 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) 667 if (target->fwdev == NULL || target->fwdev == fwdev) 668 break; 669 if(fwdev == NULL){ 670 /* device has removed in lower driver */ 671 sbp_cam_detach_target(target); 672 if (target->luns != NULL) 673 free(target->luns, M_SBP); 674 target->num_lun = 0;; 675 target->luns = NULL; 676 target->fwdev = NULL; 677 } 678 } 679 /* traverse device list */ 680 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) { 681 SBP_DEBUG(0) 682 printf("sbp_post_explore: EUI:%08x%08x ", 683 fwdev->eui.hi, fwdev->eui.lo); 684 if (fwdev->status != FWDEVATTACHED) 685 printf("not attached, state=%d.\n", fwdev->status); 686 else 687 printf("attached\n"); 688 END_DEBUG 689 alive = SBP_FWDEV_ALIVE(fwdev); 690 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){ 691 target = &sbp->targets[i]; 692 if(target->fwdev == fwdev ) { 693 /* known target */ 694 break; 695 } 696 } 697 if(i == SBP_NUM_TARGETS){ 698 if (alive) { 699 /* new target */ 700 target = sbp_alloc_target(sbp, fwdev); 701 if (target == NULL) 702 continue; 703 } else { 704 continue; 705 } 706 } 707 sbp_probe_target((void *)target); 708 } 709 } 710 711 #if NEED_RESPONSE 712 static void 713 sbp_loginres_callback(struct fw_xfer *xfer){ 714 int s; 715 struct sbp_dev *sdev; 716 sdev = (struct sbp_dev *)xfer->sc; 717 SBP_DEBUG(1) 718 sbp_show_sdev_info(sdev, 2); 719 printf("sbp_loginres_callback\n"); 720 END_DEBUG 721 /* recycle */ 722 s = splfw(); 723 STAILQ_INSERT_TAIL(&sdev->target->sbp->fwb.xferlist, xfer, link); 724 splx(s); 725 return; 726 } 727 #endif 728 729 static __inline void 730 sbp_xfer_free(struct fw_xfer *xfer) 731 { 732 struct sbp_dev *sdev; 733 int s; 734 735 sdev = (struct sbp_dev *)xfer->sc; 736 fw_xfer_unload(xfer); 737 s = splfw(); 738 STAILQ_INSERT_TAIL(&sdev->target->xferlist, xfer, link); 739 splx(s); 740 } 741 742 static void 743 sbp_reset_start_callback(struct fw_xfer *xfer) 744 { 745 struct sbp_dev *tsdev, *sdev = (struct sbp_dev *)xfer->sc; 746 struct sbp_target *target = sdev->target; 747 int i; 748 749 if (xfer->resp != 0) { 750 sbp_show_sdev_info(sdev, 2); 751 printf("sbp_reset_start failed: resp=%d\n", xfer->resp); 752 } 753 754 for (i = 0; i < target->num_lun; i++) { 755 tsdev = &target->luns[i]; 756 if (tsdev->status == SBP_DEV_LOGIN) 757 sbp_login(sdev); 758 } 759 } 760 761 static void 762 sbp_reset_start(struct sbp_dev *sdev) 763 { 764 struct fw_xfer *xfer; 765 struct fw_pkt *fp; 766 767 SBP_DEBUG(0) 768 sbp_show_sdev_info(sdev, 2); 769 printf("sbp_reset_start\n"); 770 END_DEBUG 771 772 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 773 xfer->act.hand = sbp_reset_start_callback; 774 fp = &xfer->send.hdr; 775 fp->mode.wreqq.dest_hi = 0xffff; 776 fp->mode.wreqq.dest_lo = 0xf0000000 | RESET_START; 777 fp->mode.wreqq.data = htonl(0xf); 778 fw_asyreq(xfer->fc, -1, xfer); 779 } 780 781 static void 782 sbp_mgm_callback(struct fw_xfer *xfer) 783 { 784 struct sbp_dev *sdev; 785 int resp; 786 787 sdev = (struct sbp_dev *)xfer->sc; 788 789 SBP_DEBUG(1) 790 sbp_show_sdev_info(sdev, 2); 791 printf("sbp_mgm_callback\n"); 792 END_DEBUG 793 resp = xfer->resp; 794 sbp_xfer_free(xfer); 795 #if 0 796 if (resp != 0) { 797 sbp_show_sdev_info(sdev, 2); 798 printf("management ORB failed(%d) ... RESET_START\n", resp); 799 sbp_reset_start(sdev); 800 } 801 #endif 802 return; 803 } 804 805 static void 806 sbp_cmd_callback(struct fw_xfer *xfer) 807 { 808 SBP_DEBUG(2) 809 struct sbp_dev *sdev; 810 sdev = (struct sbp_dev *)xfer->sc; 811 sbp_show_sdev_info(sdev, 2); 812 printf("sbp_cmd_callback\n"); 813 END_DEBUG 814 sbp_xfer_free(xfer); 815 return; 816 } 817 818 static struct sbp_dev * 819 sbp_next_dev(struct sbp_target *target, int lun) 820 { 821 struct sbp_dev *sdev; 822 int i; 823 824 for (i = lun, sdev = &target->luns[lun]; 825 i < target->num_lun; i++, sdev++) { 826 if (sdev->status == SBP_DEV_PROBE) 827 break; 828 } 829 if (i >= target->num_lun) 830 return(NULL); 831 return(sdev); 832 } 833 834 #define SCAN_PRI 1 835 static void 836 sbp_cam_scan_lun(struct cam_periph *periph, union ccb *ccb) 837 { 838 struct sbp_target *target; 839 struct sbp_dev *sdev; 840 841 sdev = (struct sbp_dev *) ccb->ccb_h.ccb_sdev_ptr; 842 target = sdev->target; 843 SBP_DEBUG(0) 844 sbp_show_sdev_info(sdev, 2); 845 printf("sbp_cam_scan_lun\n"); 846 END_DEBUG 847 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 848 sdev->status = SBP_DEV_ATTACHED; 849 } else { 850 sbp_show_sdev_info(sdev, 2); 851 printf("scan failed\n"); 852 } 853 sdev = sbp_next_dev(target, sdev->lun_id + 1); 854 if (sdev == NULL) { 855 free(ccb, M_SBP); 856 return; 857 } 858 /* reuse ccb */ 859 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI); 860 ccb->ccb_h.ccb_sdev_ptr = sdev; 861 xpt_action(ccb); 862 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 863 sdev->freeze = 1; 864 } 865 866 static void 867 sbp_cam_scan_target(void *arg) 868 { 869 struct sbp_target *target = (struct sbp_target *)arg; 870 struct sbp_dev *sdev; 871 union ccb *ccb; 872 873 sdev = sbp_next_dev(target, 0); 874 if (sdev == NULL) { 875 printf("sbp_cam_scan_target: nothing to do for target%d\n", 876 target->target_id); 877 return; 878 } 879 SBP_DEBUG(0) 880 sbp_show_sdev_info(sdev, 2); 881 printf("sbp_cam_scan_target\n"); 882 END_DEBUG 883 ccb = malloc(sizeof(union ccb), M_SBP, M_NOWAIT | M_ZERO); 884 if (ccb == NULL) { 885 printf("sbp_cam_scan_target: malloc failed\n"); 886 return; 887 } 888 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI); 889 ccb->ccb_h.func_code = XPT_SCAN_LUN; 890 ccb->ccb_h.cbfcnp = sbp_cam_scan_lun; 891 ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 892 ccb->crcn.flags = CAM_FLAG_NONE; 893 ccb->ccb_h.ccb_sdev_ptr = sdev; 894 895 /* The scan is in progress now. */ 896 xpt_action(ccb); 897 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 898 sdev->freeze = 1; 899 } 900 901 static __inline void 902 sbp_scan_dev(struct sbp_dev *sdev) 903 { 904 sdev->status = SBP_DEV_PROBE; 905 callout_reset(&sdev->target->scan_callout, SCAN_DELAY * hz, 906 sbp_cam_scan_target, (void *)sdev->target); 907 } 908 909 static void 910 sbp_do_attach(struct fw_xfer *xfer) 911 { 912 struct sbp_dev *sdev; 913 struct sbp_target *target; 914 struct sbp_softc *sbp; 915 916 sdev = (struct sbp_dev *)xfer->sc; 917 target = sdev->target; 918 sbp = target->sbp; 919 SBP_DEBUG(0) 920 sbp_show_sdev_info(sdev, 2); 921 printf("sbp_do_attach\n"); 922 END_DEBUG 923 sbp_xfer_free(xfer); 924 925 if (sdev->path == NULL) 926 xpt_create_path(&sdev->path, xpt_periph, 927 cam_sim_path(target->sbp->sim), 928 target->target_id, sdev->lun_id); 929 930 /* 931 * Let CAM scan the bus if we are in the boot process. 932 * XXX xpt_scan_bus cannot detect LUN larger than 0 933 * if LUN 0 doesn't exists. 934 */ 935 if (sbp_cold > 0) { 936 sdev->status = SBP_DEV_ATTACHED; 937 return; 938 } 939 940 sbp_scan_dev(sdev); 941 return; 942 } 943 944 static void 945 sbp_agent_reset_callback(struct fw_xfer *xfer) 946 { 947 struct sbp_dev *sdev; 948 949 sdev = (struct sbp_dev *)xfer->sc; 950 SBP_DEBUG(1) 951 sbp_show_sdev_info(sdev, 2); 952 printf("%s\n", __FUNCTION__); 953 END_DEBUG 954 if (xfer->resp != 0) { 955 sbp_show_sdev_info(sdev, 2); 956 printf("sbp_cmd_callback resp=%d\n", xfer->resp); 957 } 958 959 sbp_xfer_free(xfer); 960 if (sdev->path) { 961 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 962 sdev->freeze = 0; 963 } 964 } 965 966 static void 967 sbp_agent_reset(struct sbp_dev *sdev) 968 { 969 struct fw_xfer *xfer; 970 struct fw_pkt *fp; 971 972 SBP_DEBUG(0) 973 sbp_show_sdev_info(sdev, 2); 974 printf("sbp_agent_reset\n"); 975 END_DEBUG 976 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x04); 977 if (xfer == NULL) 978 return; 979 if (sdev->status == SBP_DEV_ATTACHED || sdev->status == SBP_DEV_PROBE) 980 xfer->act.hand = sbp_agent_reset_callback; 981 else 982 xfer->act.hand = sbp_do_attach; 983 fp = &xfer->send.hdr; 984 fp->mode.wreqq.data = htonl(0xf); 985 fw_asyreq(xfer->fc, -1, xfer); 986 sbp_abort_all_ocbs(sdev, CAM_BDR_SENT); 987 } 988 989 static void 990 sbp_busy_timeout_callback(struct fw_xfer *xfer) 991 { 992 struct sbp_dev *sdev; 993 994 sdev = (struct sbp_dev *)xfer->sc; 995 SBP_DEBUG(1) 996 sbp_show_sdev_info(sdev, 2); 997 printf("sbp_busy_timeout_callback\n"); 998 END_DEBUG 999 sbp_xfer_free(xfer); 1000 sbp_agent_reset(sdev); 1001 } 1002 1003 static void 1004 sbp_busy_timeout(struct sbp_dev *sdev) 1005 { 1006 struct fw_pkt *fp; 1007 struct fw_xfer *xfer; 1008 SBP_DEBUG(0) 1009 sbp_show_sdev_info(sdev, 2); 1010 printf("sbp_busy_timeout\n"); 1011 END_DEBUG 1012 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 1013 1014 xfer->act.hand = sbp_busy_timeout_callback; 1015 fp = &xfer->send.hdr; 1016 fp->mode.wreqq.dest_hi = 0xffff; 1017 fp->mode.wreqq.dest_lo = 0xf0000000 | BUSY_TIMEOUT; 1018 fp->mode.wreqq.data = htonl((1 << (13+12)) | 0xf); 1019 fw_asyreq(xfer->fc, -1, xfer); 1020 } 1021 1022 static void 1023 sbp_orb_pointer(struct sbp_dev *sdev, struct sbp_ocb *ocb) 1024 { 1025 struct fw_xfer *xfer; 1026 struct fw_pkt *fp; 1027 SBP_DEBUG(2) 1028 sbp_show_sdev_info(sdev, 2); 1029 printf("sbp_orb_pointer\n"); 1030 END_DEBUG 1031 1032 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0x08); 1033 if (xfer == NULL) 1034 return; 1035 xfer->act.hand = sbp_cmd_callback; 1036 1037 fp = &xfer->send.hdr; 1038 fp->mode.wreqb.len = 8; 1039 fp->mode.wreqb.extcode = 0; 1040 xfer->send.payload[0] = 1041 htonl(((sdev->target->sbp->fd.fc->nodeid | FWLOCALBUS )<< 16)); 1042 xfer->send.payload[1] = htonl(ocb->bus_addr); 1043 1044 if(fw_asyreq(xfer->fc, -1, xfer) != 0){ 1045 sbp_xfer_free(xfer); 1046 ocb->ccb->ccb_h.status = CAM_REQ_INVALID; 1047 xpt_done(ocb->ccb); 1048 } 1049 } 1050 1051 #if 0 1052 static void 1053 sbp_doorbell(struct sbp_dev *sdev) 1054 { 1055 struct fw_xfer *xfer; 1056 struct fw_pkt *fp; 1057 SBP_DEBUG(1) 1058 sbp_show_sdev_info(sdev, 2); 1059 printf("sbp_doorbell\n"); 1060 END_DEBUG 1061 1062 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x10); 1063 if (xfer == NULL) 1064 return; 1065 xfer->act.hand = sbp_cmd_callback; 1066 fp = (struct fw_pkt *)xfer->send.buf; 1067 fp->mode.wreqq.data = htonl(0xf); 1068 fw_asyreq(xfer->fc, -1, xfer); 1069 } 1070 #endif 1071 1072 static struct fw_xfer * 1073 sbp_write_cmd(struct sbp_dev *sdev, int tcode, int offset) 1074 { 1075 struct fw_xfer *xfer; 1076 struct fw_pkt *fp; 1077 struct sbp_target *target; 1078 int s, new = 0; 1079 1080 target = sdev->target; 1081 s = splfw(); 1082 xfer = STAILQ_FIRST(&target->xferlist); 1083 if (xfer == NULL) { 1084 if (target->n_xfer > 5 /* XXX */) { 1085 printf("sbp: no more xfer for this target\n"); 1086 splx(s); 1087 return(NULL); 1088 } 1089 xfer = fw_xfer_alloc_buf(M_SBP, 8, 0); 1090 if(xfer == NULL){ 1091 printf("sbp: fw_xfer_alloc_buf failed\n"); 1092 splx(s); 1093 return NULL; 1094 } 1095 target->n_xfer ++; 1096 if (debug) 1097 printf("sbp: alloc %d xfer\n", target->n_xfer); 1098 new = 1; 1099 } else { 1100 STAILQ_REMOVE_HEAD(&target->xferlist, link); 1101 } 1102 splx(s); 1103 1104 microtime(&xfer->tv); 1105 1106 if (new) { 1107 xfer->recv.pay_len = 0; 1108 xfer->send.spd = min(sdev->target->fwdev->speed, max_speed); 1109 xfer->fc = sdev->target->sbp->fd.fc; 1110 xfer->retry_req = fw_asybusy; 1111 } 1112 1113 if (tcode == FWTCODE_WREQB) 1114 xfer->send.pay_len = 8; 1115 else 1116 xfer->send.pay_len = 0; 1117 1118 xfer->sc = (caddr_t)sdev; 1119 fp = &xfer->send.hdr; 1120 fp->mode.wreqq.dest_hi = sdev->login->cmd_hi; 1121 fp->mode.wreqq.dest_lo = sdev->login->cmd_lo + offset; 1122 fp->mode.wreqq.tlrt = 0; 1123 fp->mode.wreqq.tcode = tcode; 1124 fp->mode.wreqq.pri = 0; 1125 fp->mode.wreqq.dst = FWLOCALBUS | sdev->target->fwdev->dst; 1126 1127 return xfer; 1128 1129 } 1130 1131 static void 1132 sbp_mgm_orb(struct sbp_dev *sdev, int func, struct sbp_ocb *aocb) 1133 { 1134 struct fw_xfer *xfer; 1135 struct fw_pkt *fp; 1136 struct sbp_ocb *ocb; 1137 struct sbp_target *target; 1138 int s, nid; 1139 1140 target = sdev->target; 1141 nid = target->sbp->fd.fc->nodeid | FWLOCALBUS; 1142 1143 s = splfw(); 1144 if (func == ORB_FUN_RUNQUEUE) { 1145 ocb = STAILQ_FIRST(&target->mgm_ocb_queue); 1146 if (target->mgm_ocb_cur != NULL || ocb == NULL) { 1147 splx(s); 1148 return; 1149 } 1150 STAILQ_REMOVE_HEAD(&target->mgm_ocb_queue, ocb); 1151 goto start; 1152 } 1153 if ((ocb = sbp_get_ocb(sdev)) == NULL) { 1154 splx(s); 1155 return; 1156 } 1157 ocb->flags = OCB_ACT_MGM; 1158 ocb->sdev = sdev; 1159 1160 bzero((void *)ocb->orb, sizeof(ocb->orb)); 1161 ocb->orb[6] = htonl((nid << 16) | SBP_BIND_HI); 1162 ocb->orb[7] = htonl(SBP_DEV2ADDR(target->target_id, sdev->lun_id)); 1163 1164 SBP_DEBUG(0) 1165 sbp_show_sdev_info(sdev, 2); 1166 printf("%s\n", orb_fun_name[(func>>16)&0xf]); 1167 END_DEBUG 1168 switch (func) { 1169 case ORB_FUN_LGI: 1170 ocb->orb[0] = ocb->orb[1] = 0; /* password */ 1171 ocb->orb[2] = htonl(nid << 16); 1172 ocb->orb[3] = htonl(sdev->dma.bus_addr); 1173 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_EXV | sdev->lun_id); 1174 ocb->orb[5] = htonl(SBP_LOGIN_SIZE); 1175 fwdma_sync(&sdev->dma, BUS_DMASYNC_PREREAD); 1176 break; 1177 case ORB_FUN_ATA: 1178 ocb->orb[0] = htonl((0 << 16) | 0); 1179 ocb->orb[1] = htonl(aocb->bus_addr & 0xffffffff); 1180 /* fall through */ 1181 case ORB_FUN_RCN: 1182 case ORB_FUN_LGO: 1183 case ORB_FUN_LUR: 1184 case ORB_FUN_RST: 1185 case ORB_FUN_ATS: 1186 ocb->orb[4] = htonl(ORB_NOTIFY | func | sdev->login->id); 1187 break; 1188 } 1189 1190 if (target->mgm_ocb_cur != NULL) { 1191 /* there is a standing ORB */ 1192 STAILQ_INSERT_TAIL(&sdev->target->mgm_ocb_queue, ocb, ocb); 1193 splx(s); 1194 return; 1195 } 1196 start: 1197 target->mgm_ocb_cur = ocb; 1198 splx(s); 1199 1200 callout_reset(&target->mgm_ocb_timeout, 5*hz, 1201 sbp_mgm_timeout, (caddr_t)ocb); 1202 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0); 1203 if(xfer == NULL){ 1204 return; 1205 } 1206 xfer->act.hand = sbp_mgm_callback; 1207 1208 fp = &xfer->send.hdr; 1209 fp->mode.wreqb.dest_hi = sdev->target->mgm_hi; 1210 fp->mode.wreqb.dest_lo = sdev->target->mgm_lo; 1211 fp->mode.wreqb.len = 8; 1212 fp->mode.wreqb.extcode = 0; 1213 xfer->send.payload[0] = htonl(nid << 16); 1214 xfer->send.payload[1] = htonl(ocb->bus_addr & 0xffffffff); 1215 SBP_DEBUG(0) 1216 sbp_show_sdev_info(sdev, 2); 1217 printf("mgm orb: %08x\n", (u_int32_t)ocb->bus_addr); 1218 END_DEBUG 1219 1220 fw_asyreq(xfer->fc, -1, xfer); 1221 } 1222 1223 static void 1224 sbp_print_scsi_cmd(struct sbp_ocb *ocb) 1225 { 1226 struct ccb_scsiio *csio; 1227 1228 csio = &ocb->ccb->csio; 1229 printf("%s:%d:%d XPT_SCSI_IO: " 1230 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 1231 ", flags: 0x%02x, " 1232 "%db cmd/%db data/%db sense\n", 1233 device_get_nameunit(ocb->sdev->target->sbp->fd.dev), 1234 ocb->ccb->ccb_h.target_id, ocb->ccb->ccb_h.target_lun, 1235 csio->cdb_io.cdb_bytes[0], 1236 csio->cdb_io.cdb_bytes[1], 1237 csio->cdb_io.cdb_bytes[2], 1238 csio->cdb_io.cdb_bytes[3], 1239 csio->cdb_io.cdb_bytes[4], 1240 csio->cdb_io.cdb_bytes[5], 1241 csio->cdb_io.cdb_bytes[6], 1242 csio->cdb_io.cdb_bytes[7], 1243 csio->cdb_io.cdb_bytes[8], 1244 csio->cdb_io.cdb_bytes[9], 1245 ocb->ccb->ccb_h.flags & CAM_DIR_MASK, 1246 csio->cdb_len, csio->dxfer_len, 1247 csio->sense_len); 1248 } 1249 1250 static void 1251 sbp_scsi_status(struct sbp_status *sbp_status, struct sbp_ocb *ocb) 1252 { 1253 struct sbp_cmd_status *sbp_cmd_status; 1254 struct scsi_sense_data *sense; 1255 1256 sbp_cmd_status = (struct sbp_cmd_status *)sbp_status->data; 1257 sense = &ocb->ccb->csio.sense_data; 1258 1259 SBP_DEBUG(0) 1260 sbp_print_scsi_cmd(ocb); 1261 /* XXX need decode status */ 1262 sbp_show_sdev_info(ocb->sdev, 2); 1263 printf("SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d\n", 1264 sbp_cmd_status->status, 1265 sbp_cmd_status->sfmt, 1266 sbp_cmd_status->valid, 1267 sbp_cmd_status->s_key, 1268 sbp_cmd_status->s_code, 1269 sbp_cmd_status->s_qlfr, 1270 sbp_status->len 1271 ); 1272 END_DEBUG 1273 1274 switch (sbp_cmd_status->status) { 1275 case SCSI_STATUS_CHECK_COND: 1276 case SCSI_STATUS_BUSY: 1277 case SCSI_STATUS_CMD_TERMINATED: 1278 if(sbp_cmd_status->sfmt == SBP_SFMT_CURR){ 1279 sense->error_code = SSD_CURRENT_ERROR; 1280 }else{ 1281 sense->error_code = SSD_DEFERRED_ERROR; 1282 } 1283 if(sbp_cmd_status->valid) 1284 sense->error_code |= SSD_ERRCODE_VALID; 1285 sense->flags = sbp_cmd_status->s_key; 1286 if(sbp_cmd_status->mark) 1287 sense->flags |= SSD_FILEMARK; 1288 if(sbp_cmd_status->eom) 1289 sense->flags |= SSD_EOM; 1290 if(sbp_cmd_status->ill_len) 1291 sense->flags |= SSD_ILI; 1292 1293 bcopy(&sbp_cmd_status->info, &sense->info[0], 4); 1294 1295 if (sbp_status->len <= 1) 1296 /* XXX not scsi status. shouldn't be happened */ 1297 sense->extra_len = 0; 1298 else if (sbp_status->len <= 4) 1299 /* add_sense_code(_qual), info, cmd_spec_info */ 1300 sense->extra_len = 6; 1301 else 1302 /* fru, sense_key_spec */ 1303 sense->extra_len = 10; 1304 1305 bcopy(&sbp_cmd_status->cdb, &sense->cmd_spec_info[0], 4); 1306 1307 sense->add_sense_code = sbp_cmd_status->s_code; 1308 sense->add_sense_code_qual = sbp_cmd_status->s_qlfr; 1309 sense->fru = sbp_cmd_status->fru; 1310 1311 bcopy(&sbp_cmd_status->s_keydep[0], 1312 &sense->sense_key_spec[0], 3); 1313 1314 ocb->ccb->csio.scsi_status = sbp_cmd_status->status;; 1315 ocb->ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR 1316 | CAM_AUTOSNS_VALID; 1317 /* 1318 { 1319 u_int8_t j, *tmp; 1320 tmp = sense; 1321 for( j = 0 ; j < 32 ; j+=8){ 1322 printf("sense %02x%02x %02x%02x %02x%02x %02x%02x\n", 1323 tmp[j], tmp[j+1], tmp[j+2], tmp[j+3], 1324 tmp[j+4], tmp[j+5], tmp[j+6], tmp[j+7]); 1325 } 1326 1327 } 1328 */ 1329 break; 1330 default: 1331 sbp_show_sdev_info(ocb->sdev, 2); 1332 printf("sbp_scsi_status: unknown scsi status 0x%x\n", 1333 sbp_cmd_status->status); 1334 } 1335 } 1336 1337 static void 1338 sbp_fix_inq_data(struct sbp_ocb *ocb) 1339 { 1340 union ccb *ccb; 1341 struct sbp_dev *sdev; 1342 struct scsi_inquiry_data *inq; 1343 1344 ccb = ocb->ccb; 1345 sdev = ocb->sdev; 1346 1347 if (ccb->csio.cdb_io.cdb_bytes[1] & SI_EVPD) 1348 return; 1349 SBP_DEBUG(1) 1350 sbp_show_sdev_info(sdev, 2); 1351 printf("sbp_fix_inq_data\n"); 1352 END_DEBUG 1353 inq = (struct scsi_inquiry_data *) ccb->csio.data_ptr; 1354 switch (SID_TYPE(inq)) { 1355 case T_DIRECT: 1356 #if 0 1357 /* 1358 * XXX Convert Direct Access device to RBC. 1359 * I've never seen FireWire DA devices which support READ_6. 1360 */ 1361 if (SID_TYPE(inq) == T_DIRECT) 1362 inq->device |= T_RBC; /* T_DIRECT == 0 */ 1363 #endif 1364 /* fall through */ 1365 case T_RBC: 1366 /* enable tagged queuing */ 1367 #if 1 1368 inq->flags |= SID_CmdQue; 1369 #endif 1370 /* 1371 * Override vendor/product/revision information. 1372 * Some devices sometimes return strange strings. 1373 */ 1374 #if 1 1375 bcopy(sdev->vendor, inq->vendor, sizeof(inq->vendor)); 1376 bcopy(sdev->product, inq->product, sizeof(inq->product)); 1377 bcopy(sdev->revision+2, inq->revision, sizeof(inq->revision)); 1378 #endif 1379 break; 1380 } 1381 } 1382 1383 static void 1384 sbp_recv1(struct fw_xfer *xfer) 1385 { 1386 struct fw_pkt *rfp; 1387 #if NEED_RESPONSE 1388 struct fw_pkt *sfp; 1389 #endif 1390 struct sbp_softc *sbp; 1391 struct sbp_dev *sdev; 1392 struct sbp_ocb *ocb; 1393 struct sbp_login_res *login_res = NULL; 1394 struct sbp_status *sbp_status; 1395 struct sbp_target *target; 1396 int orb_fun, status_valid0, status_valid, t, l, reset_agent = 0; 1397 u_int32_t addr; 1398 /* 1399 u_int32_t *ld; 1400 ld = xfer->recv.buf; 1401 printf("sbp %x %d %d %08x %08x %08x %08x\n", 1402 xfer->resp, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3])); 1403 printf("sbp %08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 1404 printf("sbp %08x %08x %08x %08x\n", ntohl(ld[8]), ntohl(ld[9]), ntohl(ld[10]), ntohl(ld[11])); 1405 */ 1406 sbp = (struct sbp_softc *)xfer->sc; 1407 if (xfer->resp != 0){ 1408 printf("sbp_recv: xfer->resp != 0\n"); 1409 goto done0; 1410 } 1411 if (xfer->recv.payload == NULL){ 1412 printf("sbp_recv: xfer->recv.payload == NULL\n"); 1413 goto done0; 1414 } 1415 rfp = &xfer->recv.hdr; 1416 if(rfp->mode.wreqb.tcode != FWTCODE_WREQB){ 1417 printf("sbp_recv: tcode = %d\n", rfp->mode.wreqb.tcode); 1418 goto done0; 1419 } 1420 sbp_status = (struct sbp_status *)xfer->recv.payload; 1421 addr = rfp->mode.wreqb.dest_lo; 1422 SBP_DEBUG(2) 1423 printf("received address 0x%x\n", addr); 1424 END_DEBUG 1425 t = SBP_ADDR2TRG(addr); 1426 if (t >= SBP_NUM_TARGETS) { 1427 device_printf(sbp->fd.dev, 1428 "sbp_recv1: invalid target %d\n", t); 1429 goto done0; 1430 } 1431 target = &sbp->targets[t]; 1432 l = SBP_ADDR2LUN(addr); 1433 if (l >= target->num_lun) { 1434 device_printf(sbp->fd.dev, 1435 "sbp_recv1: invalid lun %d (target=%d)\n", l, t); 1436 goto done0; 1437 } 1438 sdev = &target->luns[l]; 1439 1440 ocb = NULL; 1441 switch (sbp_status->src) { 1442 case 0: 1443 case 1: 1444 /* check mgm_ocb_cur first */ 1445 ocb = target->mgm_ocb_cur; 1446 if (ocb != NULL) { 1447 if (OCB_MATCH(ocb, sbp_status)) { 1448 callout_stop(&target->mgm_ocb_timeout); 1449 target->mgm_ocb_cur = NULL; 1450 break; 1451 } 1452 } 1453 ocb = sbp_dequeue_ocb(sdev, sbp_status); 1454 if (ocb == NULL) { 1455 sbp_show_sdev_info(sdev, 2); 1456 #if __FreeBSD_version >= 500000 1457 printf("No ocb(%x) on the queue\n", 1458 #else 1459 printf("No ocb(%lx) on the queue\n", 1460 #endif 1461 ntohl(sbp_status->orb_lo)); 1462 } 1463 break; 1464 case 2: 1465 /* unsolicit */ 1466 sbp_show_sdev_info(sdev, 2); 1467 printf("unsolicit status received\n"); 1468 break; 1469 default: 1470 sbp_show_sdev_info(sdev, 2); 1471 printf("unknown sbp_status->src\n"); 1472 } 1473 1474 status_valid0 = (sbp_status->src < 2 1475 && sbp_status->resp == ORB_RES_CMPL 1476 && sbp_status->dead == 0); 1477 status_valid = (status_valid0 && sbp_status->status == 0); 1478 1479 if (!status_valid0 || debug > 1){ 1480 int status; 1481 SBP_DEBUG(0) 1482 sbp_show_sdev_info(sdev, 2); 1483 printf("ORB status src:%x resp:%x dead:%x" 1484 #if __FreeBSD_version >= 500000 1485 " len:%x stat:%x orb:%x%08x\n", 1486 #else 1487 " len:%x stat:%x orb:%x%08lx\n", 1488 #endif 1489 sbp_status->src, sbp_status->resp, sbp_status->dead, 1490 sbp_status->len, sbp_status->status, 1491 ntohs(sbp_status->orb_hi), ntohl(sbp_status->orb_lo)); 1492 END_DEBUG 1493 sbp_show_sdev_info(sdev, 2); 1494 status = sbp_status->status; 1495 switch(sbp_status->resp) { 1496 case 0: 1497 if (status > MAX_ORB_STATUS0) 1498 printf("%s\n", orb_status0[MAX_ORB_STATUS0]); 1499 else 1500 printf("%s\n", orb_status0[status]); 1501 break; 1502 case 1: 1503 printf("Obj: %s, Error: %s\n", 1504 orb_status1_object[(status>>6) & 3], 1505 orb_status1_serial_bus_error[status & 0xf]); 1506 break; 1507 case 2: 1508 printf("Illegal request\n"); 1509 break; 1510 case 3: 1511 printf("Vendor dependent\n"); 1512 break; 1513 default: 1514 printf("unknown respose code %d\n", sbp_status->resp); 1515 } 1516 } 1517 1518 /* we have to reset the fetch agent if it's dead */ 1519 if (sbp_status->dead) { 1520 if (sdev->path) { 1521 xpt_freeze_devq(sdev->path, 1); 1522 sdev->freeze ++; 1523 } 1524 reset_agent = 1; 1525 } 1526 1527 if (ocb == NULL) 1528 goto done; 1529 1530 switch(ntohl(ocb->orb[4]) & ORB_FMT_MSK){ 1531 case ORB_FMT_NOP: 1532 break; 1533 case ORB_FMT_VED: 1534 break; 1535 case ORB_FMT_STD: 1536 switch(ocb->flags) { 1537 case OCB_ACT_MGM: 1538 orb_fun = ntohl(ocb->orb[4]) & ORB_FUN_MSK; 1539 switch(orb_fun) { 1540 case ORB_FUN_LGI: 1541 fwdma_sync(&sdev->dma, BUS_DMASYNC_POSTREAD); 1542 login_res = sdev->login; 1543 login_res->len = ntohs(login_res->len); 1544 login_res->id = ntohs(login_res->id); 1545 login_res->cmd_hi = ntohs(login_res->cmd_hi); 1546 login_res->cmd_lo = ntohl(login_res->cmd_lo); 1547 if (status_valid) { 1548 SBP_DEBUG(0) 1549 sbp_show_sdev_info(sdev, 2); 1550 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)); 1551 END_DEBUG 1552 sbp_busy_timeout(sdev); 1553 } else { 1554 /* forgot logout? */ 1555 sbp_show_sdev_info(sdev, 2); 1556 printf("login failed\n"); 1557 sdev->status = SBP_DEV_RESET; 1558 } 1559 break; 1560 case ORB_FUN_RCN: 1561 login_res = sdev->login; 1562 if (status_valid) { 1563 SBP_DEBUG(0) 1564 sbp_show_sdev_info(sdev, 2); 1565 printf("reconnect: len %d, ID %d, cmd %08x%08x\n", login_res->len, login_res->id, login_res->cmd_hi, login_res->cmd_lo); 1566 END_DEBUG 1567 #if 1 1568 if (sdev->status == SBP_DEV_ATTACHED) 1569 sbp_scan_dev(sdev); 1570 else 1571 sbp_agent_reset(sdev); 1572 #else 1573 sdev->status = SBP_DEV_ATTACHED; 1574 sbp_mgm_orb(sdev, ORB_FUN_ATS, NULL); 1575 #endif 1576 } else { 1577 /* reconnection hold time exceed? */ 1578 SBP_DEBUG(0) 1579 sbp_show_sdev_info(sdev, 2); 1580 printf("reconnect failed\n"); 1581 END_DEBUG 1582 sbp_login(sdev); 1583 } 1584 break; 1585 case ORB_FUN_LGO: 1586 sdev->status = SBP_DEV_RESET; 1587 break; 1588 case ORB_FUN_RST: 1589 sbp_busy_timeout(sdev); 1590 break; 1591 case ORB_FUN_LUR: 1592 case ORB_FUN_ATA: 1593 case ORB_FUN_ATS: 1594 sbp_agent_reset(sdev); 1595 break; 1596 default: 1597 sbp_show_sdev_info(sdev, 2); 1598 printf("unknown function %d\n", orb_fun); 1599 break; 1600 } 1601 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 1602 break; 1603 case OCB_ACT_CMD: 1604 sdev->timeout = 0; 1605 if(ocb->ccb != NULL){ 1606 union ccb *ccb; 1607 /* 1608 u_int32_t *ld; 1609 ld = ocb->ccb->csio.data_ptr; 1610 if(ld != NULL && ocb->ccb->csio.dxfer_len != 0) 1611 printf("ptr %08x %08x %08x %08x\n", ld[0], ld[1], ld[2], ld[3]); 1612 else 1613 printf("ptr NULL\n"); 1614 printf("len %d\n", sbp_status->len); 1615 */ 1616 ccb = ocb->ccb; 1617 if(sbp_status->len > 1){ 1618 sbp_scsi_status(sbp_status, ocb); 1619 }else{ 1620 if(sbp_status->resp != ORB_RES_CMPL){ 1621 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1622 }else{ 1623 ccb->ccb_h.status = CAM_REQ_CMP; 1624 } 1625 } 1626 /* fix up inq data */ 1627 if (ccb->csio.cdb_io.cdb_bytes[0] == INQUIRY) 1628 sbp_fix_inq_data(ocb); 1629 xpt_done(ccb); 1630 } 1631 break; 1632 default: 1633 break; 1634 } 1635 } 1636 1637 sbp_free_ocb(sdev, ocb); 1638 done: 1639 if (reset_agent) 1640 sbp_agent_reset(sdev); 1641 1642 done0: 1643 xfer->recv.pay_len = SBP_RECV_LEN; 1644 /* The received packet is usually small enough to be stored within 1645 * the buffer. In that case, the controller return ack_complete and 1646 * no respose is necessary. 1647 * 1648 * XXX fwohci.c and firewire.c should inform event_code such as 1649 * ack_complete or ack_pending to upper driver. 1650 */ 1651 #if NEED_RESPONSE 1652 xfer->send.off = 0; 1653 sfp = (struct fw_pkt *)xfer->send.buf; 1654 sfp->mode.wres.dst = rfp->mode.wreqb.src; 1655 xfer->dst = sfp->mode.wres.dst; 1656 xfer->spd = min(sdev->target->fwdev->speed, max_speed); 1657 xfer->act.hand = sbp_loginres_callback; 1658 xfer->retry_req = fw_asybusy; 1659 1660 sfp->mode.wres.tlrt = rfp->mode.wreqb.tlrt; 1661 sfp->mode.wres.tcode = FWTCODE_WRES; 1662 sfp->mode.wres.rtcode = 0; 1663 sfp->mode.wres.pri = 0; 1664 1665 fw_asyreq(xfer->fc, -1, xfer); 1666 #else 1667 /* recycle */ 1668 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link); 1669 #endif 1670 1671 return; 1672 1673 } 1674 1675 static void 1676 sbp_recv(struct fw_xfer *xfer) 1677 { 1678 int s; 1679 1680 s = splcam(); 1681 sbp_recv1(xfer); 1682 splx(s); 1683 } 1684 /* 1685 * sbp_attach() 1686 */ 1687 static int 1688 sbp_attach(device_t dev) 1689 { 1690 struct sbp_softc *sbp; 1691 struct cam_devq *devq; 1692 struct fw_xfer *xfer; 1693 int i, s, error; 1694 1695 SBP_DEBUG(0) 1696 printf("sbp_attach (cold=%d)\n", cold); 1697 END_DEBUG 1698 1699 if (cold) 1700 sbp_cold ++; 1701 sbp = ((struct sbp_softc *)device_get_softc(dev)); 1702 bzero(sbp, sizeof(struct sbp_softc)); 1703 sbp->fd.dev = dev; 1704 sbp->fd.fc = device_get_ivars(dev); 1705 error = bus_dma_tag_create(/*parent*/sbp->fd.fc->dmat, 1706 /* XXX shoud be 4 for sane backend? */ 1707 /*alignment*/1, 1708 /*boundary*/0, 1709 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, 1710 /*highaddr*/BUS_SPACE_MAXADDR, 1711 /*filter*/NULL, /*filterarg*/NULL, 1712 /*maxsize*/0x100000, /*nsegments*/SBP_IND_MAX, 1713 /*maxsegsz*/SBP_SEG_MAX, 1714 /*flags*/BUS_DMA_ALLOCNOW, 1715 #if __FreeBSD_version >= 501102 1716 /*lockfunc*/busdma_lock_mutex, 1717 /*lockarg*/&Giant, 1718 #endif 1719 &sbp->dmat); 1720 if (error != 0) { 1721 printf("sbp_attach: Could not allocate DMA tag " 1722 "- error %d\n", error); 1723 return (ENOMEM); 1724 } 1725 1726 devq = cam_simq_alloc(/*maxopenings*/SBP_NUM_OCB); 1727 if (devq == NULL) 1728 return (ENXIO); 1729 1730 for( i = 0 ; i < SBP_NUM_TARGETS ; i++){ 1731 sbp->targets[i].fwdev = NULL; 1732 sbp->targets[i].luns = NULL; 1733 } 1734 1735 sbp->sim = cam_sim_alloc(sbp_action, sbp_poll, "sbp", sbp, 1736 device_get_unit(dev), 1737 /*untagged*/ 1, 1738 /*tagged*/ SBP_QUEUE_LEN, 1739 devq); 1740 1741 if (sbp->sim == NULL) { 1742 cam_simq_free(devq); 1743 return (ENXIO); 1744 } 1745 1746 1747 if (xpt_bus_register(sbp->sim, /*bus*/0) != CAM_SUCCESS) 1748 goto fail; 1749 1750 if (xpt_create_path(&sbp->path, xpt_periph, cam_sim_path(sbp->sim), 1751 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 1752 xpt_bus_deregister(cam_sim_path(sbp->sim)); 1753 goto fail; 1754 } 1755 1756 /* We reserve 16 bit space (4 bytes X 64 targets X 256 luns) */ 1757 sbp->fwb.start = ((u_int64_t)SBP_BIND_HI << 32) | SBP_DEV2ADDR(0, 0); 1758 sbp->fwb.end = sbp->fwb.start + 0xffff; 1759 sbp->fwb.act_type = FWACT_XFER; 1760 /* pre-allocate xfer */ 1761 STAILQ_INIT(&sbp->fwb.xferlist); 1762 for (i = 0; i < SBP_NUM_OCB/2; i ++) { 1763 xfer = fw_xfer_alloc_buf(M_SBP, 1764 /* send */0, 1765 /* recv */SBP_RECV_LEN); 1766 xfer->act.hand = sbp_recv; 1767 #if NEED_RESPONSE 1768 xfer->fc = sbp->fd.fc; 1769 #endif 1770 xfer->sc = (caddr_t)sbp; 1771 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link); 1772 } 1773 fw_bindadd(sbp->fd.fc, &sbp->fwb); 1774 1775 sbp->fd.post_busreset = sbp_post_busreset; 1776 sbp->fd.post_explore = sbp_post_explore; 1777 1778 if (sbp->fd.fc->status != -1) { 1779 s = splfw(); 1780 sbp_post_explore((void *)sbp); 1781 splx(s); 1782 } 1783 1784 return (0); 1785 fail: 1786 cam_sim_free(sbp->sim, /*free_devq*/TRUE); 1787 return (ENXIO); 1788 } 1789 1790 static int 1791 sbp_logout_all(struct sbp_softc *sbp) 1792 { 1793 struct sbp_target *target; 1794 struct sbp_dev *sdev; 1795 int i, j; 1796 1797 SBP_DEBUG(0) 1798 printf("sbp_logout_all\n"); 1799 END_DEBUG 1800 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) { 1801 target = &sbp->targets[i]; 1802 if (target->luns == NULL) 1803 continue; 1804 for (j = 0; j < target->num_lun; j++) { 1805 sdev = &target->luns[j]; 1806 callout_stop(&sdev->login_callout); 1807 if (sdev->status >= SBP_DEV_TOATTACH && 1808 sdev->status <= SBP_DEV_ATTACHED) 1809 sbp_mgm_orb(sdev, ORB_FUN_LGO, NULL); 1810 } 1811 } 1812 1813 return 0; 1814 } 1815 1816 static int 1817 sbp_shutdown(device_t dev) 1818 { 1819 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 1820 1821 sbp_logout_all(sbp); 1822 return (0); 1823 } 1824 1825 static int 1826 sbp_detach(device_t dev) 1827 { 1828 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 1829 struct firewire_comm *fc = sbp->fd.fc; 1830 struct sbp_target *target; 1831 struct sbp_dev *sdev; 1832 struct fw_xfer *xfer, *next; 1833 int i, j; 1834 1835 SBP_DEBUG(0) 1836 printf("sbp_detach\n"); 1837 END_DEBUG 1838 1839 for (i = 0; i < SBP_NUM_TARGETS; i ++) 1840 sbp_cam_detach_target(&sbp->targets[i]); 1841 xpt_async(AC_LOST_DEVICE, sbp->path, NULL); 1842 xpt_free_path(sbp->path); 1843 xpt_bus_deregister(cam_sim_path(sbp->sim)); 1844 cam_sim_free(sbp->sim, /*free_devq*/ TRUE), 1845 1846 sbp_logout_all(sbp); 1847 1848 /* XXX wait for logout completion */ 1849 tsleep(&i, FWPRI, "sbpdtc", hz/2); 1850 1851 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) { 1852 target = &sbp->targets[i]; 1853 if (target->luns == NULL) 1854 continue; 1855 callout_stop(&target->mgm_ocb_timeout); 1856 for (j = 0; j < target->num_lun; j++) { 1857 sdev = &target->luns[j]; 1858 if (sdev->status != SBP_DEV_DEAD) { 1859 for (i = 0; i < SBP_QUEUE_LEN; i++) 1860 bus_dmamap_destroy(sbp->dmat, 1861 sdev->ocb[i].dmamap); 1862 fwdma_free(sbp->fd.fc, &sdev->dma); 1863 } 1864 } 1865 for (xfer = STAILQ_FIRST(&target->xferlist); 1866 xfer != NULL; xfer = next) { 1867 next = STAILQ_NEXT(xfer, link); 1868 fw_xfer_free_buf(xfer); 1869 } 1870 free(target->luns, M_SBP); 1871 } 1872 1873 for (xfer = STAILQ_FIRST(&sbp->fwb.xferlist); 1874 xfer != NULL; xfer = next) { 1875 next = STAILQ_NEXT(xfer, link); 1876 fw_xfer_free_buf(xfer); 1877 } 1878 STAILQ_INIT(&sbp->fwb.xferlist); 1879 fw_bindremove(fc, &sbp->fwb); 1880 1881 bus_dma_tag_destroy(sbp->dmat); 1882 1883 return (0); 1884 } 1885 1886 static void 1887 sbp_cam_detach_target(struct sbp_target *target) 1888 { 1889 struct sbp_dev *sdev; 1890 int i; 1891 1892 if (target->luns != NULL) { 1893 SBP_DEBUG(0) 1894 printf("sbp_detach_target %d\n", target->target_id); 1895 END_DEBUG 1896 callout_stop(&target->scan_callout); 1897 for (i = 0; i < target->num_lun; i++) { 1898 sdev = &target->luns[i]; 1899 if (sdev->status == SBP_DEV_DEAD) 1900 continue; 1901 if (sdev->status == SBP_DEV_RESET) 1902 continue; 1903 if (sdev->path) { 1904 xpt_release_devq(sdev->path, 1905 sdev->freeze, TRUE); 1906 sdev->freeze = 0; 1907 xpt_async(AC_LOST_DEVICE, sdev->path, NULL); 1908 xpt_free_path(sdev->path); 1909 sdev->path = NULL; 1910 } 1911 sbp_abort_all_ocbs(sdev, CAM_DEV_NOT_THERE); 1912 } 1913 } 1914 } 1915 1916 static void 1917 sbp_target_reset(struct sbp_dev *sdev, int method) 1918 { 1919 int i; 1920 struct sbp_target *target = sdev->target; 1921 struct sbp_dev *tsdev; 1922 1923 for (i = 0; i < target->num_lun; i++) { 1924 tsdev = &target->luns[i]; 1925 if (tsdev->status == SBP_DEV_DEAD) 1926 continue; 1927 if (tsdev->status == SBP_DEV_RESET) 1928 continue; 1929 xpt_freeze_devq(tsdev->path, 1); 1930 tsdev->freeze ++; 1931 sbp_abort_all_ocbs(tsdev, CAM_CMD_TIMEOUT); 1932 if (method == 2) 1933 tsdev->status = SBP_DEV_LOGIN; 1934 } 1935 switch(method) { 1936 case 1: 1937 printf("target reset\n"); 1938 sbp_mgm_orb(sdev, ORB_FUN_RST, NULL); 1939 break; 1940 case 2: 1941 printf("reset start\n"); 1942 sbp_reset_start(sdev); 1943 break; 1944 } 1945 1946 } 1947 1948 static void 1949 sbp_mgm_timeout(void *arg) 1950 { 1951 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 1952 struct sbp_dev *sdev = ocb->sdev; 1953 struct sbp_target *target = sdev->target; 1954 1955 sbp_show_sdev_info(sdev, 2); 1956 printf("management ORB timeout\n"); 1957 target->mgm_ocb_cur = NULL; 1958 sbp_free_ocb(sdev, ocb); 1959 #if 0 1960 /* XXX */ 1961 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 1962 #endif 1963 #if 0 1964 sbp_reset_start(sdev); 1965 #endif 1966 } 1967 1968 static void 1969 sbp_timeout(void *arg) 1970 { 1971 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 1972 struct sbp_dev *sdev = ocb->sdev; 1973 1974 sbp_show_sdev_info(sdev, 2); 1975 printf("request timeout ... "); 1976 1977 sdev->timeout ++; 1978 switch(sdev->timeout) { 1979 case 1: 1980 printf("agent reset\n"); 1981 xpt_freeze_devq(sdev->path, 1); 1982 sdev->freeze ++; 1983 sbp_abort_all_ocbs(sdev, CAM_CMD_TIMEOUT); 1984 sbp_agent_reset(sdev); 1985 break; 1986 case 2: 1987 case 3: 1988 sbp_target_reset(sdev, sdev->timeout - 1); 1989 break; 1990 #if 0 1991 default: 1992 /* XXX give up */ 1993 sbp_cam_detach_target(target); 1994 if (target->luns != NULL) 1995 free(target->luns, M_SBP); 1996 target->num_lun = 0;; 1997 target->luns = NULL; 1998 target->fwdev = NULL; 1999 #endif 2000 } 2001 } 2002 2003 static void 2004 sbp_action1(struct cam_sim *sim, union ccb *ccb) 2005 { 2006 2007 struct sbp_softc *sbp = (struct sbp_softc *)sim->softc; 2008 struct sbp_target *target = NULL; 2009 struct sbp_dev *sdev = NULL; 2010 2011 /* target:lun -> sdev mapping */ 2012 if (sbp != NULL 2013 && ccb->ccb_h.target_id != CAM_TARGET_WILDCARD 2014 && ccb->ccb_h.target_id < SBP_NUM_TARGETS) { 2015 target = &sbp->targets[ccb->ccb_h.target_id]; 2016 if (target->fwdev != NULL 2017 && ccb->ccb_h.target_lun != CAM_LUN_WILDCARD 2018 && ccb->ccb_h.target_lun < target->num_lun) { 2019 sdev = &target->luns[ccb->ccb_h.target_lun]; 2020 if (sdev->status != SBP_DEV_ATTACHED && 2021 sdev->status != SBP_DEV_PROBE) 2022 sdev = NULL; 2023 } 2024 } 2025 2026 SBP_DEBUG(1) 2027 if (sdev == NULL) 2028 printf("invalid target %d lun %d\n", 2029 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2030 END_DEBUG 2031 2032 switch (ccb->ccb_h.func_code) { 2033 case XPT_SCSI_IO: 2034 case XPT_RESET_DEV: 2035 case XPT_GET_TRAN_SETTINGS: 2036 case XPT_SET_TRAN_SETTINGS: 2037 case XPT_CALC_GEOMETRY: 2038 if (sdev == NULL) { 2039 SBP_DEBUG(1) 2040 printf("%s:%d:%d:func_code 0x%04x: " 2041 "Invalid target (target needed)\n", 2042 device_get_nameunit(sbp->fd.dev), 2043 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2044 ccb->ccb_h.func_code); 2045 END_DEBUG 2046 2047 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2048 xpt_done(ccb); 2049 return; 2050 } 2051 break; 2052 case XPT_PATH_INQ: 2053 case XPT_NOOP: 2054 /* The opcodes sometimes aimed at a target (sc is valid), 2055 * sometimes aimed at the SIM (sc is invalid and target is 2056 * CAM_TARGET_WILDCARD) 2057 */ 2058 if (sbp == NULL && 2059 ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) { 2060 SBP_DEBUG(0) 2061 printf("%s:%d:%d func_code 0x%04x: " 2062 "Invalid target (no wildcard)\n", 2063 device_get_nameunit(sbp->fd.dev), 2064 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2065 ccb->ccb_h.func_code); 2066 END_DEBUG 2067 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2068 xpt_done(ccb); 2069 return; 2070 } 2071 break; 2072 default: 2073 /* XXX Hm, we should check the input parameters */ 2074 break; 2075 } 2076 2077 switch (ccb->ccb_h.func_code) { 2078 case XPT_SCSI_IO: 2079 { 2080 struct ccb_scsiio *csio; 2081 struct sbp_ocb *ocb; 2082 int speed; 2083 void *cdb; 2084 2085 csio = &ccb->csio; 2086 2087 SBP_DEBUG(1) 2088 printf("%s:%d:%d XPT_SCSI_IO: " 2089 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 2090 ", flags: 0x%02x, " 2091 "%db cmd/%db data/%db sense\n", 2092 device_get_nameunit(sbp->fd.dev), 2093 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2094 csio->cdb_io.cdb_bytes[0], 2095 csio->cdb_io.cdb_bytes[1], 2096 csio->cdb_io.cdb_bytes[2], 2097 csio->cdb_io.cdb_bytes[3], 2098 csio->cdb_io.cdb_bytes[4], 2099 csio->cdb_io.cdb_bytes[5], 2100 csio->cdb_io.cdb_bytes[6], 2101 csio->cdb_io.cdb_bytes[7], 2102 csio->cdb_io.cdb_bytes[8], 2103 csio->cdb_io.cdb_bytes[9], 2104 ccb->ccb_h.flags & CAM_DIR_MASK, 2105 csio->cdb_len, csio->dxfer_len, 2106 csio->sense_len); 2107 END_DEBUG 2108 if(sdev == NULL){ 2109 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2110 xpt_done(ccb); 2111 return; 2112 } 2113 #if 0 2114 /* if we are in probe stage, pass only probe commands */ 2115 if (sdev->status == SBP_DEV_PROBE) { 2116 char *name; 2117 name = xpt_path_periph(ccb->ccb_h.path)->periph_name; 2118 printf("probe stage, periph name: %s\n", name); 2119 if (strcmp(name, "probe") != 0) { 2120 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2121 xpt_done(ccb); 2122 return; 2123 } 2124 } 2125 #endif 2126 if ((ocb = sbp_get_ocb(sdev)) == NULL) 2127 return; 2128 2129 ocb->flags = OCB_ACT_CMD; 2130 ocb->sdev = sdev; 2131 ocb->ccb = ccb; 2132 ccb->ccb_h.ccb_sdev_ptr = sdev; 2133 ocb->orb[0] = htonl(1 << 31); 2134 ocb->orb[1] = 0; 2135 ocb->orb[2] = htonl(((sbp->fd.fc->nodeid | FWLOCALBUS )<< 16) ); 2136 ocb->orb[3] = htonl(ocb->bus_addr + IND_PTR_OFFSET); 2137 speed = min(target->fwdev->speed, max_speed); 2138 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_CMD_SPD(speed) 2139 | ORB_CMD_MAXP(speed + 7)); 2140 if((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN){ 2141 ocb->orb[4] |= htonl(ORB_CMD_IN); 2142 } 2143 2144 if (csio->ccb_h.flags & CAM_SCATTER_VALID) 2145 printf("sbp: CAM_SCATTER_VALID\n"); 2146 if (csio->ccb_h.flags & CAM_DATA_PHYS) 2147 printf("sbp: CAM_DATA_PHYS\n"); 2148 2149 if (csio->ccb_h.flags & CAM_CDB_POINTER) 2150 cdb = (void *)csio->cdb_io.cdb_ptr; 2151 else 2152 cdb = (void *)&csio->cdb_io.cdb_bytes; 2153 bcopy(cdb, (void *)&ocb->orb[5], csio->cdb_len); 2154 /* 2155 printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[0]), ntohl(ocb->orb[1]), ntohl(ocb->orb[2]), ntohl(ocb->orb[3])); 2156 printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[4]), ntohl(ocb->orb[5]), ntohl(ocb->orb[6]), ntohl(ocb->orb[7])); 2157 */ 2158 if (ccb->csio.dxfer_len > 0) { 2159 int s, error; 2160 2161 s = splsoftvm(); 2162 error = bus_dmamap_load(/*dma tag*/sbp->dmat, 2163 /*dma map*/ocb->dmamap, 2164 ccb->csio.data_ptr, 2165 ccb->csio.dxfer_len, 2166 sbp_execute_ocb, 2167 ocb, 2168 /*flags*/0); 2169 splx(s); 2170 if (error) 2171 printf("sbp: bus_dmamap_load error %d\n", error); 2172 } else 2173 sbp_execute_ocb(ocb, NULL, 0, 0); 2174 break; 2175 } 2176 case XPT_CALC_GEOMETRY: 2177 { 2178 struct ccb_calc_geometry *ccg; 2179 #if __FreeBSD_version < 501100 2180 u_int32_t size_mb; 2181 u_int32_t secs_per_cylinder; 2182 int extended = 1; 2183 #endif 2184 2185 ccg = &ccb->ccg; 2186 if (ccg->block_size == 0) { 2187 printf("sbp_action1: block_size is 0.\n"); 2188 ccb->ccb_h.status = CAM_REQ_INVALID; 2189 xpt_done(ccb); 2190 break; 2191 } 2192 SBP_DEBUG(1) 2193 printf("%s:%d:%d:%d:XPT_CALC_GEOMETRY: " 2194 #if __FreeBSD_version >= 500000 2195 "Volume size = %jd\n", 2196 #else 2197 "Volume size = %d\n", 2198 #endif 2199 device_get_nameunit(sbp->fd.dev), 2200 cam_sim_path(sbp->sim), 2201 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2202 #if __FreeBSD_version >= 500000 2203 (uintmax_t) 2204 #endif 2205 ccg->volume_size); 2206 END_DEBUG 2207 2208 #if __FreeBSD_version < 501100 2209 size_mb = ccg->volume_size 2210 / ((1024L * 1024L) / ccg->block_size); 2211 2212 if (size_mb > 1024 && extended) { 2213 ccg->heads = 255; 2214 ccg->secs_per_track = 63; 2215 } else { 2216 ccg->heads = 64; 2217 ccg->secs_per_track = 32; 2218 } 2219 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 2220 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 2221 ccb->ccb_h.status = CAM_REQ_CMP; 2222 #else 2223 cam_calc_geometry(ccg, /*extended*/1); 2224 #endif 2225 xpt_done(ccb); 2226 break; 2227 } 2228 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 2229 { 2230 2231 SBP_DEBUG(1) 2232 printf("%s:%d:XPT_RESET_BUS: \n", 2233 device_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim)); 2234 END_DEBUG 2235 2236 ccb->ccb_h.status = CAM_REQ_INVALID; 2237 xpt_done(ccb); 2238 break; 2239 } 2240 case XPT_PATH_INQ: /* Path routing inquiry */ 2241 { 2242 struct ccb_pathinq *cpi = &ccb->cpi; 2243 2244 SBP_DEBUG(1) 2245 printf("%s:%d:%d XPT_PATH_INQ:.\n", 2246 device_get_nameunit(sbp->fd.dev), 2247 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2248 END_DEBUG 2249 cpi->version_num = 1; /* XXX??? */ 2250 cpi->hba_inquiry = PI_TAG_ABLE; 2251 cpi->target_sprt = 0; 2252 cpi->hba_misc = PIM_NOBUSRESET | PIM_NO_6_BYTE; 2253 cpi->hba_eng_cnt = 0; 2254 cpi->max_target = SBP_NUM_TARGETS - 1; 2255 cpi->max_lun = SBP_NUM_LUNS - 1; 2256 cpi->initiator_id = SBP_INITIATOR; 2257 cpi->bus_id = sim->bus_id; 2258 cpi->base_transfer_speed = 400 * 1000 / 8; 2259 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 2260 strncpy(cpi->hba_vid, "SBP", HBA_IDLEN); 2261 strncpy(cpi->dev_name, sim->sim_name, DEV_IDLEN); 2262 cpi->unit_number = sim->unit_number; 2263 2264 cpi->ccb_h.status = CAM_REQ_CMP; 2265 xpt_done(ccb); 2266 break; 2267 } 2268 case XPT_GET_TRAN_SETTINGS: 2269 { 2270 struct ccb_trans_settings *cts = &ccb->cts; 2271 SBP_DEBUG(1) 2272 printf("%s:%d:%d XPT_GET_TRAN_SETTINGS:.\n", 2273 device_get_nameunit(sbp->fd.dev), 2274 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2275 END_DEBUG 2276 /* Enable disconnect and tagged queuing */ 2277 cts->valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID; 2278 cts->flags = CCB_TRANS_DISC_ENB | CCB_TRANS_TAG_ENB; 2279 2280 cts->ccb_h.status = CAM_REQ_CMP; 2281 xpt_done(ccb); 2282 break; 2283 } 2284 case XPT_ABORT: 2285 ccb->ccb_h.status = CAM_UA_ABORT; 2286 xpt_done(ccb); 2287 break; 2288 case XPT_SET_TRAN_SETTINGS: 2289 /* XXX */ 2290 default: 2291 ccb->ccb_h.status = CAM_REQ_INVALID; 2292 xpt_done(ccb); 2293 break; 2294 } 2295 return; 2296 } 2297 2298 static void 2299 sbp_action(struct cam_sim *sim, union ccb *ccb) 2300 { 2301 int s; 2302 2303 s = splfw(); 2304 sbp_action1(sim, ccb); 2305 splx(s); 2306 } 2307 2308 static void 2309 sbp_execute_ocb(void *arg, bus_dma_segment_t *segments, int seg, int error) 2310 { 2311 int i; 2312 struct sbp_ocb *ocb; 2313 struct sbp_ocb *prev; 2314 bus_dma_segment_t *s; 2315 2316 if (error) 2317 printf("sbp_execute_ocb: error=%d\n", error); 2318 2319 ocb = (struct sbp_ocb *)arg; 2320 2321 SBP_DEBUG(1) 2322 printf("sbp_execute_ocb: seg %d", seg); 2323 for (i = 0; i < seg; i++) 2324 #if __FreeBSD_version >= 500000 2325 printf(", %jx:%jd", (uintmax_t)segments[i].ds_addr, 2326 (uintmax_t)segments[i].ds_len); 2327 #else 2328 printf(", %x:%d", segments[i].ds_addr, segments[i].ds_len); 2329 #endif 2330 printf("\n"); 2331 END_DEBUG 2332 2333 if (seg == 1) { 2334 /* direct pointer */ 2335 s = &segments[0]; 2336 if (s->ds_len > SBP_SEG_MAX) 2337 panic("ds_len > SBP_SEG_MAX, fix busdma code"); 2338 ocb->orb[3] = htonl(s->ds_addr); 2339 ocb->orb[4] |= htonl(s->ds_len); 2340 } else if(seg > 1) { 2341 /* page table */ 2342 for (i = 0; i < seg; i++) { 2343 s = &segments[i]; 2344 SBP_DEBUG(0) 2345 /* XXX LSI Logic "< 16 byte" bug might be hit */ 2346 if (s->ds_len < 16) 2347 printf("sbp_execute_ocb: warning, " 2348 #if __FreeBSD_version >= 500000 2349 "segment length(%zd) is less than 16." 2350 #else 2351 "segment length(%d) is less than 16." 2352 #endif 2353 "(seg=%d/%d)\n", s->ds_len, i+1, seg); 2354 END_DEBUG 2355 if (s->ds_len > SBP_SEG_MAX) 2356 panic("ds_len > SBP_SEG_MAX, fix busdma code"); 2357 ocb->ind_ptr[i].hi = htonl(s->ds_len << 16); 2358 ocb->ind_ptr[i].lo = htonl(s->ds_addr); 2359 } 2360 ocb->orb[4] |= htonl(ORB_CMD_PTBL | seg); 2361 } 2362 2363 if (seg > 0) 2364 bus_dmamap_sync(ocb->sdev->target->sbp->dmat, ocb->dmamap, 2365 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2366 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE); 2367 prev = sbp_enqueue_ocb(ocb->sdev, ocb); 2368 fwdma_sync(&ocb->sdev->dma, BUS_DMASYNC_PREWRITE); 2369 if (prev == NULL) 2370 sbp_orb_pointer(ocb->sdev, ocb); 2371 } 2372 2373 static void 2374 sbp_poll(struct cam_sim *sim) 2375 { 2376 /* should call fwohci_intr? */ 2377 return; 2378 } 2379 static struct sbp_ocb * 2380 sbp_dequeue_ocb(struct sbp_dev *sdev, struct sbp_status *sbp_status) 2381 { 2382 struct sbp_ocb *ocb; 2383 struct sbp_ocb *next; 2384 int s = splfw(), order = 0; 2385 int flags; 2386 2387 for (ocb = STAILQ_FIRST(&sdev->ocbs); ocb != NULL; ocb = next) { 2388 next = STAILQ_NEXT(ocb, ocb); 2389 flags = ocb->flags; 2390 SBP_DEBUG(1) 2391 sbp_show_sdev_info(sdev, 2); 2392 #if __FreeBSD_version >= 500000 2393 printf("orb: 0x%jx next: 0x%x, flags %x\n", 2394 (uintmax_t)ocb->bus_addr, 2395 #else 2396 printf("orb: 0x%x next: 0x%lx, flags %x\n", 2397 ocb->bus_addr, 2398 #endif 2399 ntohl(ocb->orb[1]), flags); 2400 END_DEBUG 2401 if (OCB_MATCH(ocb, sbp_status)) { 2402 /* found */ 2403 STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb); 2404 if (ocb->ccb != NULL) 2405 untimeout(sbp_timeout, (caddr_t)ocb, 2406 ocb->ccb->ccb_h.timeout_ch); 2407 if (ntohl(ocb->orb[4]) & 0xffff) { 2408 bus_dmamap_sync(sdev->target->sbp->dmat, 2409 ocb->dmamap, 2410 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2411 BUS_DMASYNC_POSTREAD : 2412 BUS_DMASYNC_POSTWRITE); 2413 bus_dmamap_unload(sdev->target->sbp->dmat, 2414 ocb->dmamap); 2415 } 2416 if (next != NULL && sbp_status->src == 1) 2417 sbp_orb_pointer(sdev, next); 2418 break; 2419 } else 2420 order ++; 2421 } 2422 splx(s); 2423 SBP_DEBUG(0) 2424 if (ocb && order > 0) { 2425 sbp_show_sdev_info(sdev, 2); 2426 printf("unordered execution order:%d\n", order); 2427 } 2428 END_DEBUG 2429 return (ocb); 2430 } 2431 2432 static struct sbp_ocb * 2433 sbp_enqueue_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 2434 { 2435 int s = splfw(); 2436 struct sbp_ocb *prev; 2437 2438 SBP_DEBUG(2) 2439 sbp_show_sdev_info(sdev, 2); 2440 #if __FreeBSD_version >= 500000 2441 printf("sbp_enqueue_ocb orb=0x%jx in physical memory\n", 2442 (uintmax_t)ocb->bus_addr); 2443 #else 2444 printf("sbp_enqueue_ocb orb=0x%x in physical memory\n", ocb->bus_addr); 2445 #endif 2446 END_DEBUG 2447 prev = STAILQ_LAST(&sdev->ocbs, sbp_ocb, ocb); 2448 STAILQ_INSERT_TAIL(&sdev->ocbs, ocb, ocb); 2449 2450 if (ocb->ccb != NULL) 2451 ocb->ccb->ccb_h.timeout_ch = timeout(sbp_timeout, (caddr_t)ocb, 2452 (ocb->ccb->ccb_h.timeout * hz) / 1000); 2453 2454 if (prev != NULL ) { 2455 SBP_DEBUG(1) 2456 #if __FreeBSD_version >= 500000 2457 printf("linking chain 0x%jx -> 0x%jx\n", 2458 (uintmax_t)prev->bus_addr, (uintmax_t)ocb->bus_addr); 2459 #else 2460 printf("linking chain 0x%x -> 0x%x\n", prev->bus_addr, ocb->bus_addr); 2461 #endif 2462 END_DEBUG 2463 prev->orb[1] = htonl(ocb->bus_addr); 2464 prev->orb[0] = 0; 2465 } 2466 splx(s); 2467 2468 return prev; 2469 } 2470 2471 static struct sbp_ocb * 2472 sbp_get_ocb(struct sbp_dev *sdev) 2473 { 2474 struct sbp_ocb *ocb; 2475 int s = splfw(); 2476 ocb = STAILQ_FIRST(&sdev->free_ocbs); 2477 if (ocb == NULL) { 2478 printf("ocb shortage!!!\n"); 2479 return NULL; 2480 } 2481 STAILQ_REMOVE_HEAD(&sdev->free_ocbs, ocb); 2482 splx(s); 2483 ocb->ccb = NULL; 2484 return (ocb); 2485 } 2486 2487 static void 2488 sbp_free_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 2489 { 2490 ocb->flags = 0; 2491 ocb->ccb = NULL; 2492 STAILQ_INSERT_TAIL(&sdev->free_ocbs, ocb, ocb); 2493 } 2494 2495 static void 2496 sbp_abort_ocb(struct sbp_ocb *ocb, int status) 2497 { 2498 struct sbp_dev *sdev; 2499 2500 sdev = ocb->sdev; 2501 SBP_DEBUG(0) 2502 sbp_show_sdev_info(sdev, 2); 2503 #if __FreeBSD_version >= 500000 2504 printf("sbp_abort_ocb 0x%jx\n", (uintmax_t)ocb->bus_addr); 2505 #else 2506 printf("sbp_abort_ocb 0x%x\n", ocb->bus_addr); 2507 #endif 2508 END_DEBUG 2509 SBP_DEBUG(1) 2510 if (ocb->ccb != NULL) 2511 sbp_print_scsi_cmd(ocb); 2512 END_DEBUG 2513 if (ntohl(ocb->orb[4]) & 0xffff) { 2514 bus_dmamap_sync(sdev->target->sbp->dmat, ocb->dmamap, 2515 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2516 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 2517 bus_dmamap_unload(sdev->target->sbp->dmat, ocb->dmamap); 2518 } 2519 if (ocb->ccb != NULL) { 2520 untimeout(sbp_timeout, (caddr_t)ocb, 2521 ocb->ccb->ccb_h.timeout_ch); 2522 ocb->ccb->ccb_h.status = status; 2523 xpt_done(ocb->ccb); 2524 } 2525 sbp_free_ocb(sdev, ocb); 2526 } 2527 2528 static void 2529 sbp_abort_all_ocbs(struct sbp_dev *sdev, int status) 2530 { 2531 int s; 2532 struct sbp_ocb *ocb, *next; 2533 STAILQ_HEAD(, sbp_ocb) temp; 2534 2535 s = splfw(); 2536 2537 bcopy(&sdev->ocbs, &temp, sizeof(temp)); 2538 STAILQ_INIT(&sdev->ocbs); 2539 for (ocb = STAILQ_FIRST(&temp); ocb != NULL; ocb = next) { 2540 next = STAILQ_NEXT(ocb, ocb); 2541 sbp_abort_ocb(ocb, status); 2542 } 2543 2544 splx(s); 2545 } 2546 2547 static devclass_t sbp_devclass; 2548 2549 static device_method_t sbp_methods[] = { 2550 /* device interface */ 2551 DEVMETHOD(device_identify, sbp_identify), 2552 DEVMETHOD(device_probe, sbp_probe), 2553 DEVMETHOD(device_attach, sbp_attach), 2554 DEVMETHOD(device_detach, sbp_detach), 2555 DEVMETHOD(device_shutdown, sbp_shutdown), 2556 2557 { 0, 0 } 2558 }; 2559 2560 static driver_t sbp_driver = { 2561 "sbp", 2562 sbp_methods, 2563 sizeof(struct sbp_softc), 2564 }; 2565 DRIVER_MODULE(sbp, firewire, sbp_driver, sbp_devclass, 0, 0); 2566 MODULE_VERSION(sbp, 1); 2567 MODULE_DEPEND(sbp, firewire, 1, 1, 1); 2568 MODULE_DEPEND(sbp, cam, 1, 1, 1); 2569