1 /*- 2 * Copyright (c) 2003 Hidetoshi Shimokawa 3 * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi 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/kernel.h> 43 #include <sys/sysctl.h> 44 #include <machine/bus.h> 45 #include <sys/malloc.h> 46 #if defined(__FreeBSD__) && __FreeBSD_version >= 501102 47 #include <sys/lock.h> 48 #include <sys/mutex.h> 49 #endif 50 51 #if defined(__DragonFly__) || __FreeBSD_version < 500106 52 #include <sys/devicestat.h> /* for struct devstat */ 53 #endif 54 55 #ifdef __DragonFly__ 56 #include <bus/cam/cam.h> 57 #include <bus/cam/cam_ccb.h> 58 #include <bus/cam/cam_sim.h> 59 #include <bus/cam/cam_xpt_sim.h> 60 #include <bus/cam/cam_debug.h> 61 #include <bus/cam/cam_periph.h> 62 #include <bus/cam/scsi/scsi_all.h> 63 64 #include <bus/firewire/firewire.h> 65 #include <bus/firewire/firewirereg.h> 66 #include <bus/firewire/fwdma.h> 67 #include <bus/firewire/iec13213.h> 68 #include "sbp.h" 69 #else 70 #include <cam/cam.h> 71 #include <cam/cam_ccb.h> 72 #include <cam/cam_sim.h> 73 #include <cam/cam_xpt_sim.h> 74 #include <cam/cam_debug.h> 75 #include <cam/cam_periph.h> 76 #include <cam/scsi/scsi_all.h> 77 78 #include <dev/firewire/firewire.h> 79 #include <dev/firewire/firewirereg.h> 80 #include <dev/firewire/fwdma.h> 81 #include <dev/firewire/iec13213.h> 82 #include <dev/firewire/sbp.h> 83 #endif 84 85 #define ccb_sdev_ptr spriv_ptr0 86 #define ccb_sbp_ptr spriv_ptr1 87 88 #define SBP_NUM_TARGETS 8 /* MAX 64 */ 89 /* 90 * Scan_bus doesn't work for more than 8 LUNs 91 * because of CAM_SCSI2_MAXLUN in cam_xpt.c 92 */ 93 #define SBP_NUM_LUNS 64 94 #define SBP_MAXPHYS MIN(MAXPHYS, (512*1024) /* 512KB */) 95 #define SBP_DMA_SIZE PAGE_SIZE 96 #define SBP_LOGIN_SIZE sizeof(struct sbp_login_res) 97 #define SBP_QUEUE_LEN ((SBP_DMA_SIZE - SBP_LOGIN_SIZE) / sizeof(struct sbp_ocb)) 98 #define SBP_NUM_OCB (SBP_QUEUE_LEN * SBP_NUM_TARGETS) 99 100 /* 101 * STATUS FIFO addressing 102 * bit 103 * ----------------------- 104 * 0- 1( 2): 0 (alignment) 105 * 2- 7( 6): target 106 * 8-15( 8): lun 107 * 16-31( 8): reserved 108 * 32-47(16): SBP_BIND_HI 109 * 48-64(16): bus_id, node_id 110 */ 111 #define SBP_BIND_HI 0x1 112 #define SBP_DEV2ADDR(t, l) \ 113 (((u_int64_t)SBP_BIND_HI << 32) \ 114 | (((l) & 0xff) << 8) \ 115 | (((t) & 0x3f) << 2)) 116 #define SBP_ADDR2TRG(a) (((a) >> 2) & 0x3f) 117 #define SBP_ADDR2LUN(a) (((a) >> 8) & 0xff) 118 #define SBP_INITIATOR 7 119 120 static char *orb_fun_name[] = { 121 ORB_FUN_NAMES 122 }; 123 124 static int debug = 0; 125 static int auto_login = 1; 126 static int max_speed = -1; 127 static int sbp_cold = 1; 128 static int ex_login = 1; 129 static int login_delay = 1000; /* msec */ 130 static int scan_delay = 500; /* msec */ 131 static int use_doorbell = 0; 132 static int sbp_tags = 0; 133 134 SYSCTL_DECL(_hw_firewire); 135 static SYSCTL_NODE(_hw_firewire, OID_AUTO, sbp, CTLFLAG_RD, 0, 136 "SBP-II Subsystem"); 137 SYSCTL_INT(_debug, OID_AUTO, sbp_debug, CTLFLAG_RW, &debug, 0, 138 "SBP debug flag"); 139 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, auto_login, CTLFLAG_RW, &auto_login, 0, 140 "SBP perform login automatically"); 141 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, max_speed, CTLFLAG_RW, &max_speed, 0, 142 "SBP transfer max speed"); 143 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, exclusive_login, CTLFLAG_RW, 144 &ex_login, 0, "SBP enable exclusive login"); 145 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, login_delay, CTLFLAG_RW, 146 &login_delay, 0, "SBP login delay in msec"); 147 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, scan_delay, CTLFLAG_RW, 148 &scan_delay, 0, "SBP scan delay in msec"); 149 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, use_doorbell, CTLFLAG_RW, 150 &use_doorbell, 0, "SBP use doorbell request"); 151 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, tags, CTLFLAG_RW, &sbp_tags, 0, 152 "SBP tagged queuing support"); 153 154 TUNABLE_INT("hw.firewire.sbp.auto_login", &auto_login); 155 TUNABLE_INT("hw.firewire.sbp.max_speed", &max_speed); 156 TUNABLE_INT("hw.firewire.sbp.exclusive_login", &ex_login); 157 TUNABLE_INT("hw.firewire.sbp.login_delay", &login_delay); 158 TUNABLE_INT("hw.firewire.sbp.scan_delay", &scan_delay); 159 TUNABLE_INT("hw.firewire.sbp.use_doorbell", &use_doorbell); 160 TUNABLE_INT("hw.firewire.sbp.tags", &sbp_tags); 161 162 #define NEED_RESPONSE 0 163 164 #define SBP_SEG_MAX rounddown(0xffff, PAGE_SIZE) 165 #ifdef __sparc64__ /* iommu */ 166 #define SBP_IND_MAX howmany(SBP_MAXPHYS, SBP_SEG_MAX) 167 #else 168 #define SBP_IND_MAX howmany(SBP_MAXPHYS, PAGE_SIZE) 169 #endif 170 struct sbp_ocb { 171 STAILQ_ENTRY(sbp_ocb) ocb; 172 union ccb *ccb; 173 bus_addr_t bus_addr; 174 uint32_t orb[8]; 175 #define IND_PTR_OFFSET (8*sizeof(uint32_t)) 176 struct ind_ptr ind_ptr[SBP_IND_MAX]; 177 struct sbp_dev *sdev; 178 int flags; /* XXX should be removed */ 179 bus_dmamap_t dmamap; 180 struct callout_handle timeout_ch; 181 }; 182 183 #define OCB_ACT_MGM 0 184 #define OCB_ACT_CMD 1 185 #define OCB_MATCH(o,s) ((o)->bus_addr == ntohl((s)->orb_lo)) 186 187 struct sbp_dev{ 188 #define SBP_DEV_RESET 0 /* accept login */ 189 #define SBP_DEV_LOGIN 1 /* to login */ 190 #if 0 191 #define SBP_DEV_RECONN 2 /* to reconnect */ 192 #endif 193 #define SBP_DEV_TOATTACH 3 /* to attach */ 194 #define SBP_DEV_PROBE 4 /* scan lun */ 195 #define SBP_DEV_ATTACHED 5 /* in operation */ 196 #define SBP_DEV_DEAD 6 /* unavailable unit */ 197 #define SBP_DEV_RETRY 7 /* unavailable unit */ 198 uint8_t status:4, 199 timeout:4; 200 uint8_t type; 201 uint16_t lun_id; 202 uint16_t freeze; 203 #define ORB_LINK_DEAD (1 << 0) 204 #define VALID_LUN (1 << 1) 205 #define ORB_POINTER_ACTIVE (1 << 2) 206 #define ORB_POINTER_NEED (1 << 3) 207 #define ORB_DOORBELL_ACTIVE (1 << 4) 208 #define ORB_DOORBELL_NEED (1 << 5) 209 #define ORB_SHORTAGE (1 << 6) 210 uint16_t flags; 211 struct cam_path *path; 212 struct sbp_target *target; 213 struct fwdma_alloc dma; 214 struct sbp_login_res *login; 215 struct callout login_callout; 216 struct sbp_ocb *ocb; 217 STAILQ_HEAD(, sbp_ocb) ocbs; 218 STAILQ_HEAD(, sbp_ocb) free_ocbs; 219 struct sbp_ocb *last_ocb; 220 char vendor[32]; 221 char product[32]; 222 char revision[10]; 223 char bustgtlun[32]; 224 }; 225 226 struct sbp_target { 227 int target_id; 228 int num_lun; 229 struct sbp_dev **luns; 230 struct sbp_softc *sbp; 231 struct fw_device *fwdev; 232 uint32_t mgm_hi, mgm_lo; 233 struct sbp_ocb *mgm_ocb_cur; 234 STAILQ_HEAD(, sbp_ocb) mgm_ocb_queue; 235 struct callout mgm_ocb_timeout; 236 struct callout scan_callout; 237 STAILQ_HEAD(, fw_xfer) xferlist; 238 int n_xfer; 239 }; 240 241 struct sbp_softc { 242 struct firewire_dev_comm fd; 243 struct cam_sim *sim; 244 struct cam_path *path; 245 struct sbp_target targets[SBP_NUM_TARGETS]; 246 struct fw_bind fwb; 247 bus_dma_tag_t dmat; 248 struct timeval last_busreset; 249 #define SIMQ_FREEZED 1 250 int flags; 251 struct mtx mtx; 252 }; 253 #define SBP_LOCK(sbp) mtx_lock(&(sbp)->mtx) 254 #define SBP_UNLOCK(sbp) mtx_unlock(&(sbp)->mtx) 255 256 static void sbp_post_explore (void *); 257 static void sbp_recv (struct fw_xfer *); 258 static void sbp_mgm_callback (struct fw_xfer *); 259 #if 0 260 static void sbp_cmd_callback (struct fw_xfer *); 261 #endif 262 static void sbp_orb_pointer (struct sbp_dev *, struct sbp_ocb *); 263 static void sbp_doorbell(struct sbp_dev *); 264 static void sbp_execute_ocb (void *, bus_dma_segment_t *, int, int); 265 static void sbp_free_ocb (struct sbp_dev *, struct sbp_ocb *); 266 static void sbp_abort_ocb (struct sbp_ocb *, int); 267 static void sbp_abort_all_ocbs (struct sbp_dev *, int); 268 static struct fw_xfer * sbp_write_cmd_locked (struct sbp_dev *, int, int); 269 static struct fw_xfer * sbp_write_cmd (struct sbp_dev *, int, int); 270 static struct sbp_ocb * sbp_get_ocb (struct sbp_dev *); 271 static struct sbp_ocb * sbp_enqueue_ocb (struct sbp_dev *, struct sbp_ocb *); 272 static struct sbp_ocb * sbp_dequeue_ocb (struct sbp_dev *, struct sbp_status *); 273 static void sbp_cam_detach_sdev(struct sbp_dev *); 274 static void sbp_free_sdev(struct sbp_dev *); 275 static void sbp_cam_detach_target (struct sbp_target *); 276 static void sbp_free_target (struct sbp_target *); 277 static void sbp_mgm_timeout (void *arg); 278 static void sbp_timeout (void *arg); 279 static void sbp_mgm_orb (struct sbp_dev *, int, struct sbp_ocb *); 280 281 static MALLOC_DEFINE(M_SBP, "sbp", "SBP-II/FireWire"); 282 283 /* cam related functions */ 284 static void sbp_action(struct cam_sim *sim, union ccb *ccb); 285 static void sbp_poll(struct cam_sim *sim); 286 static void sbp_cam_scan_lun(struct cam_periph *, union ccb *); 287 static void sbp_cam_scan_target(void *arg); 288 289 static char *orb_status0[] = { 290 /* 0 */ "No additional information to report", 291 /* 1 */ "Request type not supported", 292 /* 2 */ "Speed not supported", 293 /* 3 */ "Page size not supported", 294 /* 4 */ "Access denied", 295 /* 5 */ "Logical unit not supported", 296 /* 6 */ "Maximum payload too small", 297 /* 7 */ "Reserved for future standardization", 298 /* 8 */ "Resources unavailable", 299 /* 9 */ "Function rejected", 300 /* A */ "Login ID not recognized", 301 /* B */ "Dummy ORB completed", 302 /* C */ "Request aborted", 303 /* FF */ "Unspecified error" 304 #define MAX_ORB_STATUS0 0xd 305 }; 306 307 static char *orb_status1_object[] = { 308 /* 0 */ "Operation request block (ORB)", 309 /* 1 */ "Data buffer", 310 /* 2 */ "Page table", 311 /* 3 */ "Unable to specify" 312 }; 313 314 static char *orb_status1_serial_bus_error[] = { 315 /* 0 */ "Missing acknowledge", 316 /* 1 */ "Reserved; not to be used", 317 /* 2 */ "Time-out error", 318 /* 3 */ "Reserved; not to be used", 319 /* 4 */ "Busy retry limit exceeded(X)", 320 /* 5 */ "Busy retry limit exceeded(A)", 321 /* 6 */ "Busy retry limit exceeded(B)", 322 /* 7 */ "Reserved for future standardization", 323 /* 8 */ "Reserved for future standardization", 324 /* 9 */ "Reserved for future standardization", 325 /* A */ "Reserved for future standardization", 326 /* B */ "Tardy retry limit exceeded", 327 /* C */ "Conflict error", 328 /* D */ "Data error", 329 /* E */ "Type error", 330 /* F */ "Address error" 331 }; 332 333 static void 334 sbp_identify(driver_t *driver, device_t parent) 335 { 336 SBP_DEBUG(0) 337 printf("sbp_identify\n"); 338 END_DEBUG 339 340 BUS_ADD_CHILD(parent, 0, "sbp", device_get_unit(parent)); 341 } 342 343 /* 344 * sbp_probe() 345 */ 346 static int 347 sbp_probe(device_t dev) 348 { 349 device_t pa; 350 351 SBP_DEBUG(0) 352 printf("sbp_probe\n"); 353 END_DEBUG 354 355 pa = device_get_parent(dev); 356 if(device_get_unit(dev) != device_get_unit(pa)){ 357 return(ENXIO); 358 } 359 360 device_set_desc(dev, "SBP-2/SCSI over FireWire"); 361 362 #if 0 363 if (bootverbose) 364 debug = bootverbose; 365 #endif 366 367 return (0); 368 } 369 370 /* 371 * Display device characteristics on the console 372 */ 373 static void 374 sbp_show_sdev_info(struct sbp_dev *sdev) 375 { 376 struct fw_device *fwdev; 377 378 fwdev = sdev->target->fwdev; 379 device_printf(sdev->target->sbp->fd.dev, 380 "%s: %s: ordered:%d type:%d EUI:%08x%08x node:%d " 381 "speed:%d maxrec:%d\n", 382 __func__, 383 sdev->bustgtlun, 384 (sdev->type & 0x40) >> 6, 385 (sdev->type & 0x1f), 386 fwdev->eui.hi, 387 fwdev->eui.lo, 388 fwdev->dst, 389 fwdev->speed, 390 fwdev->maxrec); 391 392 device_printf(sdev->target->sbp->fd.dev, 393 "%s: %s '%s' '%s' '%s'\n", 394 __func__, 395 sdev->bustgtlun, 396 sdev->vendor, 397 sdev->product, 398 sdev->revision); 399 } 400 401 static struct { 402 int bus; 403 int target; 404 struct fw_eui64 eui; 405 } wired[] = { 406 /* Bus Target EUI64 */ 407 #if 0 408 {0, 2, {0x00018ea0, 0x01fd0154}}, /* Logitec HDD */ 409 {0, 0, {0x00018ea6, 0x00100682}}, /* Logitec DVD */ 410 {0, 1, {0x00d03200, 0xa412006a}}, /* Yano HDD */ 411 #endif 412 {-1, -1, {0,0}} 413 }; 414 415 static int 416 sbp_new_target(struct sbp_softc *sbp, struct fw_device *fwdev) 417 { 418 int bus, i, target=-1; 419 char w[SBP_NUM_TARGETS]; 420 421 bzero(w, sizeof(w)); 422 bus = device_get_unit(sbp->fd.dev); 423 424 /* XXX wired-down configuration should be gotten from 425 tunable or device hint */ 426 for (i = 0; wired[i].bus >= 0; i ++) { 427 if (wired[i].bus == bus) { 428 w[wired[i].target] = 1; 429 if (wired[i].eui.hi == fwdev->eui.hi && 430 wired[i].eui.lo == fwdev->eui.lo) 431 target = wired[i].target; 432 } 433 } 434 if (target >= 0) { 435 if(target < SBP_NUM_TARGETS && 436 sbp->targets[target].fwdev == NULL) 437 return(target); 438 device_printf(sbp->fd.dev, 439 "target %d is not free for %08x:%08x\n", 440 target, fwdev->eui.hi, fwdev->eui.lo); 441 target = -1; 442 } 443 /* non-wired target */ 444 for (i = 0; i < SBP_NUM_TARGETS; i ++) 445 if (sbp->targets[i].fwdev == NULL && w[i] == 0) { 446 target = i; 447 break; 448 } 449 450 return target; 451 } 452 453 static void 454 sbp_alloc_lun(struct sbp_target *target) 455 { 456 struct crom_context cc; 457 struct csrreg *reg; 458 struct sbp_dev *sdev, **newluns; 459 struct sbp_softc *sbp; 460 int maxlun, lun, i; 461 462 sbp = target->sbp; 463 crom_init_context(&cc, target->fwdev->csrrom); 464 /* XXX shoud parse appropriate unit directories only */ 465 maxlun = -1; 466 while (cc.depth >= 0) { 467 reg = crom_search_key(&cc, CROM_LUN); 468 if (reg == NULL) 469 break; 470 lun = reg->val & 0xffff; 471 SBP_DEBUG(0) 472 printf("target %d lun %d found\n", target->target_id, lun); 473 END_DEBUG 474 if (maxlun < lun) 475 maxlun = lun; 476 crom_next(&cc); 477 } 478 if (maxlun < 0) 479 printf("%s:%d no LUN found\n", 480 device_get_nameunit(target->sbp->fd.dev), 481 target->target_id); 482 483 maxlun ++; 484 if (maxlun >= SBP_NUM_LUNS) 485 maxlun = SBP_NUM_LUNS; 486 487 /* Invalidiate stale devices */ 488 for (lun = 0; lun < target->num_lun; lun ++) { 489 sdev = target->luns[lun]; 490 if (sdev == NULL) 491 continue; 492 sdev->flags &= ~VALID_LUN; 493 if (lun >= maxlun) { 494 /* lost device */ 495 sbp_cam_detach_sdev(sdev); 496 sbp_free_sdev(sdev); 497 target->luns[lun] = NULL; 498 } 499 } 500 501 /* Reallocate */ 502 if (maxlun != target->num_lun) { 503 newluns = (struct sbp_dev **) realloc(target->luns, 504 sizeof(struct sbp_dev *) * maxlun, 505 M_SBP, M_NOWAIT | M_ZERO); 506 507 if (newluns == NULL) { 508 printf("%s: realloc failed\n", __func__); 509 newluns = target->luns; 510 maxlun = target->num_lun; 511 } 512 513 /* 514 * We must zero the extended region for the case 515 * realloc() doesn't allocate new buffer. 516 */ 517 if (maxlun > target->num_lun) 518 bzero(&newluns[target->num_lun], 519 sizeof(struct sbp_dev *) * 520 (maxlun - target->num_lun)); 521 522 target->luns = newluns; 523 target->num_lun = maxlun; 524 } 525 526 crom_init_context(&cc, target->fwdev->csrrom); 527 while (cc.depth >= 0) { 528 int new = 0; 529 530 reg = crom_search_key(&cc, CROM_LUN); 531 if (reg == NULL) 532 break; 533 lun = reg->val & 0xffff; 534 if (lun >= SBP_NUM_LUNS) { 535 printf("too large lun %d\n", lun); 536 goto next; 537 } 538 539 sdev = target->luns[lun]; 540 if (sdev == NULL) { 541 sdev = malloc(sizeof(struct sbp_dev), 542 M_SBP, M_NOWAIT | M_ZERO); 543 if (sdev == NULL) { 544 printf("%s: malloc failed\n", __func__); 545 goto next; 546 } 547 target->luns[lun] = sdev; 548 sdev->lun_id = lun; 549 sdev->target = target; 550 STAILQ_INIT(&sdev->ocbs); 551 CALLOUT_INIT(&sdev->login_callout); 552 sdev->status = SBP_DEV_RESET; 553 new = 1; 554 snprintf(sdev->bustgtlun, 32, "%s:%d:%d", 555 device_get_nameunit(sdev->target->sbp->fd.dev), 556 sdev->target->target_id, 557 sdev->lun_id); 558 } 559 sdev->flags |= VALID_LUN; 560 sdev->type = (reg->val & 0xff0000) >> 16; 561 562 if (new == 0) 563 goto next; 564 565 fwdma_malloc(sbp->fd.fc, 566 /* alignment */ sizeof(uint32_t), 567 SBP_DMA_SIZE, &sdev->dma, BUS_DMA_NOWAIT | 568 BUS_DMA_COHERENT); 569 if (sdev->dma.v_addr == NULL) { 570 printf("%s: dma space allocation failed\n", 571 __func__); 572 free(sdev, M_SBP); 573 target->luns[lun] = NULL; 574 goto next; 575 } 576 sdev->login = (struct sbp_login_res *) sdev->dma.v_addr; 577 sdev->ocb = (struct sbp_ocb *) 578 ((char *)sdev->dma.v_addr + SBP_LOGIN_SIZE); 579 bzero((char *)sdev->ocb, 580 sizeof (struct sbp_ocb) * SBP_QUEUE_LEN); 581 582 STAILQ_INIT(&sdev->free_ocbs); 583 for (i = 0; i < SBP_QUEUE_LEN; i++) { 584 struct sbp_ocb *ocb; 585 ocb = &sdev->ocb[i]; 586 ocb->bus_addr = sdev->dma.bus_addr 587 + SBP_LOGIN_SIZE 588 + sizeof(struct sbp_ocb) * i 589 + offsetof(struct sbp_ocb, orb[0]); 590 if (bus_dmamap_create(sbp->dmat, 0, &ocb->dmamap)) { 591 printf("sbp_attach: cannot create dmamap\n"); 592 /* XXX */ 593 goto next; 594 } 595 callout_handle_init(&ocb->timeout_ch); 596 sbp_free_ocb(sdev, ocb); 597 } 598 next: 599 crom_next(&cc); 600 } 601 602 for (lun = 0; lun < target->num_lun; lun ++) { 603 sdev = target->luns[lun]; 604 if (sdev != NULL && (sdev->flags & VALID_LUN) == 0) { 605 sbp_cam_detach_sdev(sdev); 606 sbp_free_sdev(sdev); 607 target->luns[lun] = NULL; 608 } 609 } 610 } 611 612 static struct sbp_target * 613 sbp_alloc_target(struct sbp_softc *sbp, struct fw_device *fwdev) 614 { 615 int i; 616 struct sbp_target *target; 617 struct crom_context cc; 618 struct csrreg *reg; 619 620 SBP_DEBUG(1) 621 printf("sbp_alloc_target\n"); 622 END_DEBUG 623 i = sbp_new_target(sbp, fwdev); 624 if (i < 0) { 625 device_printf(sbp->fd.dev, "increase SBP_NUM_TARGETS!\n"); 626 return NULL; 627 } 628 /* new target */ 629 target = &sbp->targets[i]; 630 target->sbp = sbp; 631 target->fwdev = fwdev; 632 target->target_id = i; 633 /* XXX we may want to reload mgm port after each bus reset */ 634 /* XXX there might be multiple management agents */ 635 crom_init_context(&cc, target->fwdev->csrrom); 636 reg = crom_search_key(&cc, CROM_MGM); 637 if (reg == NULL || reg->val == 0) { 638 printf("NULL management address\n"); 639 target->fwdev = NULL; 640 return NULL; 641 } 642 target->mgm_hi = 0xffff; 643 target->mgm_lo = 0xf0000000 | (reg->val << 2); 644 target->mgm_ocb_cur = NULL; 645 SBP_DEBUG(1) 646 printf("target:%d mgm_port: %x\n", i, target->mgm_lo); 647 END_DEBUG 648 STAILQ_INIT(&target->xferlist); 649 target->n_xfer = 0; 650 STAILQ_INIT(&target->mgm_ocb_queue); 651 CALLOUT_INIT(&target->mgm_ocb_timeout); 652 CALLOUT_INIT(&target->scan_callout); 653 654 target->luns = NULL; 655 target->num_lun = 0; 656 return target; 657 } 658 659 static void 660 sbp_probe_lun(struct sbp_dev *sdev) 661 { 662 struct fw_device *fwdev; 663 struct crom_context c, *cc = &c; 664 struct csrreg *reg; 665 666 bzero(sdev->vendor, sizeof(sdev->vendor)); 667 bzero(sdev->product, sizeof(sdev->product)); 668 669 fwdev = sdev->target->fwdev; 670 crom_init_context(cc, fwdev->csrrom); 671 /* get vendor string */ 672 crom_search_key(cc, CSRKEY_VENDOR); 673 crom_next(cc); 674 crom_parse_text(cc, sdev->vendor, sizeof(sdev->vendor)); 675 /* skip to the unit directory for SBP-2 */ 676 while ((reg = crom_search_key(cc, CSRKEY_VER)) != NULL) { 677 if (reg->val == CSRVAL_T10SBP2) 678 break; 679 crom_next(cc); 680 } 681 /* get firmware revision */ 682 reg = crom_search_key(cc, CSRKEY_FIRM_VER); 683 if (reg != NULL) 684 snprintf(sdev->revision, sizeof(sdev->revision), 685 "%06x", reg->val); 686 /* get product string */ 687 crom_search_key(cc, CSRKEY_MODEL); 688 crom_next(cc); 689 crom_parse_text(cc, sdev->product, sizeof(sdev->product)); 690 } 691 692 static void 693 sbp_login_callout(void *arg) 694 { 695 struct sbp_dev *sdev = (struct sbp_dev *)arg; 696 sbp_mgm_orb(sdev, ORB_FUN_LGI, NULL); 697 } 698 699 static void 700 sbp_login(struct sbp_dev *sdev) 701 { 702 struct timeval delta; 703 struct timeval t; 704 int ticks = 0; 705 706 microtime(&delta); 707 timevalsub(&delta, &sdev->target->sbp->last_busreset); 708 t.tv_sec = login_delay / 1000; 709 t.tv_usec = (login_delay % 1000) * 1000; 710 timevalsub(&t, &delta); 711 if (t.tv_sec >= 0 && t.tv_usec > 0) 712 ticks = (t.tv_sec * 1000 + t.tv_usec / 1000) * hz / 1000; 713 SBP_DEBUG(0) 714 printf("%s: sec = %jd usec = %ld ticks = %d\n", __func__, 715 (intmax_t)t.tv_sec, t.tv_usec, ticks); 716 END_DEBUG 717 callout_reset(&sdev->login_callout, ticks, 718 sbp_login_callout, (void *)(sdev)); 719 } 720 721 #define SBP_FWDEV_ALIVE(fwdev) (((fwdev)->status == FWDEVATTACHED) \ 722 && crom_has_specver((fwdev)->csrrom, CSRVAL_ANSIT10, CSRVAL_T10SBP2)) 723 724 static void 725 sbp_probe_target(void *arg) 726 { 727 struct sbp_target *target = (struct sbp_target *)arg; 728 struct sbp_softc *sbp = target->sbp; 729 struct sbp_dev *sdev; 730 int i, alive; 731 732 alive = SBP_FWDEV_ALIVE(target->fwdev); 733 SBP_DEBUG(1) 734 device_printf(sbp->fd.dev, "%s %d%salive\n", 735 __func__, target->target_id, 736 (!alive) ? " not " : ""); 737 END_DEBUG 738 739 sbp = target->sbp; 740 sbp_alloc_lun(target); 741 742 /* XXX untimeout mgm_ocb and dequeue */ 743 for (i=0; i < target->num_lun; i++) { 744 sdev = target->luns[i]; 745 if (sdev == NULL) 746 continue; 747 if (alive && (sdev->status != SBP_DEV_DEAD)) { 748 if (sdev->path != NULL) { 749 SBP_LOCK(sbp); 750 xpt_freeze_devq(sdev->path, 1); 751 sdev->freeze ++; 752 SBP_UNLOCK(sbp); 753 } 754 sbp_probe_lun(sdev); 755 sbp_show_sdev_info(sdev); 756 757 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET); 758 switch (sdev->status) { 759 case SBP_DEV_RESET: 760 /* new or revived target */ 761 if (auto_login) 762 sbp_login(sdev); 763 break; 764 case SBP_DEV_TOATTACH: 765 case SBP_DEV_PROBE: 766 case SBP_DEV_ATTACHED: 767 case SBP_DEV_RETRY: 768 default: 769 sbp_mgm_orb(sdev, ORB_FUN_RCN, NULL); 770 break; 771 } 772 } else { 773 switch (sdev->status) { 774 case SBP_DEV_ATTACHED: 775 SBP_DEBUG(0) 776 /* the device has gone */ 777 device_printf(sbp->fd.dev, "%s: lost target\n", 778 __func__); 779 END_DEBUG 780 if (sdev->path) { 781 SBP_LOCK(sbp); 782 xpt_freeze_devq(sdev->path, 1); 783 sdev->freeze ++; 784 SBP_UNLOCK(sbp); 785 } 786 sdev->status = SBP_DEV_RETRY; 787 sbp_cam_detach_sdev(sdev); 788 sbp_free_sdev(sdev); 789 target->luns[i] = NULL; 790 break; 791 case SBP_DEV_PROBE: 792 case SBP_DEV_TOATTACH: 793 sdev->status = SBP_DEV_RESET; 794 break; 795 case SBP_DEV_RETRY: 796 case SBP_DEV_RESET: 797 case SBP_DEV_DEAD: 798 break; 799 } 800 } 801 } 802 } 803 804 static void 805 sbp_post_busreset(void *arg) 806 { 807 struct sbp_softc *sbp; 808 809 sbp = (struct sbp_softc *)arg; 810 SBP_DEBUG(0) 811 printf("sbp_post_busreset\n"); 812 END_DEBUG 813 if ((sbp->sim->flags & SIMQ_FREEZED) == 0) { 814 SBP_LOCK(sbp); 815 xpt_freeze_simq(sbp->sim, /*count*/1); 816 sbp->sim->flags |= SIMQ_FREEZED; 817 SBP_UNLOCK(sbp); 818 } 819 microtime(&sbp->last_busreset); 820 } 821 822 static void 823 sbp_post_explore(void *arg) 824 { 825 struct sbp_softc *sbp = (struct sbp_softc *)arg; 826 struct sbp_target *target; 827 struct fw_device *fwdev; 828 int i, alive; 829 830 SBP_DEBUG(0) 831 printf("sbp_post_explore (sbp_cold=%d)\n", sbp_cold); 832 END_DEBUG 833 /* We need physical access */ 834 if (!firewire_phydma_enable) 835 return; 836 837 if (sbp_cold > 0) 838 sbp_cold --; 839 840 #if 0 841 /* 842 * XXX don't let CAM the bus rest. 843 * CAM tries to do something with freezed (DEV_RETRY) devices. 844 */ 845 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL); 846 #endif 847 848 /* Garbage Collection */ 849 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){ 850 target = &sbp->targets[i]; 851 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) 852 if (target->fwdev == NULL || target->fwdev == fwdev) 853 break; 854 if (fwdev == NULL) { 855 /* device has removed in lower driver */ 856 sbp_cam_detach_target(target); 857 sbp_free_target(target); 858 } 859 } 860 /* traverse device list */ 861 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) { 862 SBP_DEBUG(0) 863 device_printf(sbp->fd.dev,"%s:: EUI:%08x%08x %s attached, state=%d\n", 864 __func__, fwdev->eui.hi, fwdev->eui.lo, 865 (fwdev->status != FWDEVATTACHED) ? "not" : "", 866 fwdev->status); 867 END_DEBUG 868 alive = SBP_FWDEV_ALIVE(fwdev); 869 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){ 870 target = &sbp->targets[i]; 871 if(target->fwdev == fwdev ) { 872 /* known target */ 873 break; 874 } 875 } 876 if(i == SBP_NUM_TARGETS){ 877 if (alive) { 878 /* new target */ 879 target = sbp_alloc_target(sbp, fwdev); 880 if (target == NULL) 881 continue; 882 } else { 883 continue; 884 } 885 } 886 sbp_probe_target((void *)target); 887 if (target->num_lun == 0) 888 sbp_free_target(target); 889 } 890 SBP_LOCK(sbp); 891 xpt_release_simq(sbp->sim, /*run queue*/TRUE); 892 sbp->sim->flags &= ~SIMQ_FREEZED; 893 SBP_UNLOCK(sbp); 894 } 895 896 #if NEED_RESPONSE 897 static void 898 sbp_loginres_callback(struct fw_xfer *xfer){ 899 int s; 900 struct sbp_dev *sdev; 901 sdev = (struct sbp_dev *)xfer->sc; 902 SBP_DEBUG(1) 903 device_printf(sdev->target->sbp->fd.dev,"%s\n", __func__); 904 END_DEBUG 905 /* recycle */ 906 s = splfw(); 907 STAILQ_INSERT_TAIL(&sdev->target->sbp->fwb.xferlist, xfer, link); 908 splx(s); 909 return; 910 } 911 #endif 912 913 static __inline void 914 sbp_xfer_free(struct fw_xfer *xfer) 915 { 916 struct sbp_dev *sdev; 917 int s; 918 919 sdev = (struct sbp_dev *)xfer->sc; 920 fw_xfer_unload(xfer); 921 s = splfw(); 922 SBP_LOCK(sdev->target->sbp); 923 STAILQ_INSERT_TAIL(&sdev->target->xferlist, xfer, link); 924 SBP_UNLOCK(sdev->target->sbp); 925 splx(s); 926 } 927 928 static void 929 sbp_reset_start_callback(struct fw_xfer *xfer) 930 { 931 struct sbp_dev *tsdev, *sdev = (struct sbp_dev *)xfer->sc; 932 struct sbp_target *target = sdev->target; 933 int i; 934 935 if (xfer->resp != 0) { 936 device_printf(sdev->target->sbp->fd.dev, 937 "%s: %s failed: resp=%d\n", __func__, sdev->bustgtlun, xfer->resp); 938 } 939 940 for (i = 0; i < target->num_lun; i++) { 941 tsdev = target->luns[i]; 942 if (tsdev != NULL && tsdev->status == SBP_DEV_LOGIN) 943 sbp_login(tsdev); 944 } 945 } 946 947 static void 948 sbp_reset_start(struct sbp_dev *sdev) 949 { 950 struct fw_xfer *xfer; 951 struct fw_pkt *fp; 952 953 SBP_DEBUG(0) 954 device_printf(sdev->target->sbp->fd.dev, 955 "%s:%s\n", __func__,sdev->bustgtlun); 956 END_DEBUG 957 958 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 959 xfer->hand = sbp_reset_start_callback; 960 fp = &xfer->send.hdr; 961 fp->mode.wreqq.dest_hi = 0xffff; 962 fp->mode.wreqq.dest_lo = 0xf0000000 | RESET_START; 963 fp->mode.wreqq.data = htonl(0xf); 964 fw_asyreq(xfer->fc, -1, xfer); 965 } 966 967 static void 968 sbp_mgm_callback(struct fw_xfer *xfer) 969 { 970 struct sbp_dev *sdev; 971 int resp; 972 973 sdev = (struct sbp_dev *)xfer->sc; 974 975 SBP_DEBUG(1) 976 device_printf(sdev->target->sbp->fd.dev, 977 "%s:%s\n", __func__, sdev->bustgtlun); 978 END_DEBUG 979 resp = xfer->resp; 980 sbp_xfer_free(xfer); 981 return; 982 } 983 984 static struct sbp_dev * 985 sbp_next_dev(struct sbp_target *target, int lun) 986 { 987 struct sbp_dev **sdevp; 988 int i; 989 990 for (i = lun, sdevp = &target->luns[lun]; i < target->num_lun; 991 i++, sdevp++) 992 if (*sdevp != NULL && (*sdevp)->status == SBP_DEV_PROBE) 993 return(*sdevp); 994 return(NULL); 995 } 996 997 #define SCAN_PRI 1 998 static void 999 sbp_cam_scan_lun(struct cam_periph *periph, union ccb *ccb) 1000 { 1001 struct sbp_target *target; 1002 struct sbp_dev *sdev; 1003 1004 sdev = (struct sbp_dev *) ccb->ccb_h.ccb_sdev_ptr; 1005 target = sdev->target; 1006 SBP_DEBUG(0) 1007 device_printf(sdev->target->sbp->fd.dev, 1008 "%s:%s\n", __func__, sdev->bustgtlun); 1009 END_DEBUG 1010 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1011 sdev->status = SBP_DEV_ATTACHED; 1012 } else { 1013 device_printf(sdev->target->sbp->fd.dev, 1014 "%s:%s failed\n", __func__, sdev->bustgtlun); 1015 } 1016 sdev = sbp_next_dev(target, sdev->lun_id + 1); 1017 if (sdev == NULL) { 1018 free(ccb, M_SBP); 1019 return; 1020 } 1021 /* reuse ccb */ 1022 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI); 1023 ccb->ccb_h.ccb_sdev_ptr = sdev; 1024 xpt_action(ccb); 1025 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 1026 sdev->freeze = 1; 1027 } 1028 1029 static void 1030 sbp_cam_scan_target(void *arg) 1031 { 1032 struct sbp_target *target = (struct sbp_target *)arg; 1033 struct sbp_dev *sdev; 1034 union ccb *ccb; 1035 1036 sdev = sbp_next_dev(target, 0); 1037 if (sdev == NULL) { 1038 printf("sbp_cam_scan_target: nothing to do for target%d\n", 1039 target->target_id); 1040 return; 1041 } 1042 SBP_DEBUG(0) 1043 device_printf(sdev->target->sbp->fd.dev, 1044 "%s:%s\n", __func__, sdev->bustgtlun); 1045 END_DEBUG 1046 ccb = malloc(sizeof(union ccb), M_SBP, M_NOWAIT | M_ZERO); 1047 if (ccb == NULL) { 1048 printf("sbp_cam_scan_target: malloc failed\n"); 1049 return; 1050 } 1051 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI); 1052 ccb->ccb_h.func_code = XPT_SCAN_LUN; 1053 ccb->ccb_h.cbfcnp = sbp_cam_scan_lun; 1054 ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 1055 ccb->crcn.flags = CAM_FLAG_NONE; 1056 ccb->ccb_h.ccb_sdev_ptr = sdev; 1057 1058 /* The scan is in progress now. */ 1059 SBP_LOCK(target->sbp); 1060 xpt_action(ccb); 1061 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 1062 sdev->freeze = 1; 1063 SBP_UNLOCK(target->sbp); 1064 } 1065 1066 static __inline void 1067 sbp_scan_dev(struct sbp_dev *sdev) 1068 { 1069 sdev->status = SBP_DEV_PROBE; 1070 callout_reset(&sdev->target->scan_callout, scan_delay * hz / 1000, 1071 sbp_cam_scan_target, (void *)sdev->target); 1072 } 1073 1074 static void 1075 sbp_do_attach(struct fw_xfer *xfer) 1076 { 1077 struct sbp_dev *sdev; 1078 struct sbp_target *target; 1079 struct sbp_softc *sbp; 1080 1081 sdev = (struct sbp_dev *)xfer->sc; 1082 target = sdev->target; 1083 sbp = target->sbp; 1084 SBP_DEBUG(0) 1085 device_printf(sdev->target->sbp->fd.dev, 1086 "%s:%s\n", __func__, sdev->bustgtlun); 1087 END_DEBUG 1088 sbp_xfer_free(xfer); 1089 1090 if (sdev->path == NULL) 1091 xpt_create_path(&sdev->path, NULL, 1092 cam_sim_path(target->sbp->sim), 1093 target->target_id, sdev->lun_id); 1094 1095 /* 1096 * Let CAM scan the bus if we are in the boot process. 1097 * XXX xpt_scan_bus cannot detect LUN larger than 0 1098 * if LUN 0 doesn't exists. 1099 */ 1100 if (sbp_cold > 0) { 1101 sdev->status = SBP_DEV_ATTACHED; 1102 return; 1103 } 1104 1105 sbp_scan_dev(sdev); 1106 return; 1107 } 1108 1109 static void 1110 sbp_agent_reset_callback(struct fw_xfer *xfer) 1111 { 1112 struct sbp_dev *sdev; 1113 1114 sdev = (struct sbp_dev *)xfer->sc; 1115 SBP_DEBUG(1) 1116 device_printf(sdev->target->sbp->fd.dev, 1117 "%s:%s\n", __func__, sdev->bustgtlun); 1118 END_DEBUG 1119 if (xfer->resp != 0) { 1120 device_printf(sdev->target->sbp->fd.dev, 1121 "%s:%s resp=%d\n", __func__, sdev->bustgtlun, xfer->resp); 1122 } 1123 1124 sbp_xfer_free(xfer); 1125 if (sdev->path) { 1126 SBP_LOCK(sdev->target->sbp); 1127 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 1128 sdev->freeze = 0; 1129 SBP_UNLOCK(sdev->target->sbp); 1130 } 1131 } 1132 1133 static void 1134 sbp_agent_reset(struct sbp_dev *sdev) 1135 { 1136 struct fw_xfer *xfer; 1137 struct fw_pkt *fp; 1138 1139 SBP_DEBUG(0) 1140 device_printf(sdev->target->sbp->fd.dev, 1141 "%s:%s\n", __func__, sdev->bustgtlun); 1142 END_DEBUG 1143 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x04); 1144 if (xfer == NULL) 1145 return; 1146 if (sdev->status == SBP_DEV_ATTACHED || sdev->status == SBP_DEV_PROBE) 1147 xfer->hand = sbp_agent_reset_callback; 1148 else 1149 xfer->hand = sbp_do_attach; 1150 fp = &xfer->send.hdr; 1151 fp->mode.wreqq.data = htonl(0xf); 1152 fw_asyreq(xfer->fc, -1, xfer); 1153 sbp_abort_all_ocbs(sdev, CAM_BDR_SENT); 1154 } 1155 1156 static void 1157 sbp_busy_timeout_callback(struct fw_xfer *xfer) 1158 { 1159 struct sbp_dev *sdev; 1160 1161 sdev = (struct sbp_dev *)xfer->sc; 1162 SBP_DEBUG(1) 1163 device_printf(sdev->target->sbp->fd.dev, 1164 "%s:%s\n", __func__, sdev->bustgtlun); 1165 END_DEBUG 1166 sbp_xfer_free(xfer); 1167 sbp_agent_reset(sdev); 1168 } 1169 1170 static void 1171 sbp_busy_timeout(struct sbp_dev *sdev) 1172 { 1173 struct fw_pkt *fp; 1174 struct fw_xfer *xfer; 1175 SBP_DEBUG(0) 1176 device_printf(sdev->target->sbp->fd.dev, 1177 "%s:%s\n", __func__, sdev->bustgtlun); 1178 END_DEBUG 1179 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 1180 1181 xfer->hand = sbp_busy_timeout_callback; 1182 fp = &xfer->send.hdr; 1183 fp->mode.wreqq.dest_hi = 0xffff; 1184 fp->mode.wreqq.dest_lo = 0xf0000000 | BUSY_TIMEOUT; 1185 fp->mode.wreqq.data = htonl((1 << (13+12)) | 0xf); 1186 fw_asyreq(xfer->fc, -1, xfer); 1187 } 1188 1189 static void 1190 sbp_orb_pointer_callback(struct fw_xfer *xfer) 1191 { 1192 struct sbp_dev *sdev; 1193 sdev = (struct sbp_dev *)xfer->sc; 1194 1195 SBP_DEBUG(2) 1196 device_printf(sdev->target->sbp->fd.dev, 1197 "%s:%s\n", __func__, sdev->bustgtlun); 1198 END_DEBUG 1199 if (xfer->resp != 0) { 1200 /* XXX */ 1201 printf("%s: xfer->resp = %d\n", __func__, xfer->resp); 1202 } 1203 sbp_xfer_free(xfer); 1204 1205 SBP_LOCK(sdev->target->sbp); 1206 sdev->flags &= ~ORB_POINTER_ACTIVE; 1207 1208 if ((sdev->flags & ORB_POINTER_NEED) != 0) { 1209 struct sbp_ocb *ocb; 1210 1211 sdev->flags &= ~ORB_POINTER_NEED; 1212 ocb = STAILQ_FIRST(&sdev->ocbs); 1213 if (ocb != NULL) 1214 sbp_orb_pointer(sdev, ocb); 1215 } 1216 SBP_UNLOCK(sdev->target->sbp); 1217 return; 1218 } 1219 1220 static void 1221 sbp_orb_pointer(struct sbp_dev *sdev, struct sbp_ocb *ocb) 1222 { 1223 struct fw_xfer *xfer; 1224 struct fw_pkt *fp; 1225 SBP_DEBUG(1) 1226 device_printf(sdev->target->sbp->fd.dev, 1227 "%s:%s 0x%08x\n", 1228 __func__, sdev->bustgtlun, 1229 (uint32_t)ocb->bus_addr); 1230 END_DEBUG 1231 1232 mtx_assert(&sdev->target->sbp->mtx, MA_OWNED); 1233 1234 if ((sdev->flags & ORB_POINTER_ACTIVE) != 0) { 1235 SBP_DEBUG(0) 1236 printf("%s: orb pointer active\n", __func__); 1237 END_DEBUG 1238 sdev->flags |= ORB_POINTER_NEED; 1239 return; 1240 } 1241 1242 sdev->flags |= ORB_POINTER_ACTIVE; 1243 xfer = sbp_write_cmd_locked(sdev, FWTCODE_WREQB, 0x08); 1244 if (xfer == NULL) 1245 return; 1246 xfer->hand = sbp_orb_pointer_callback; 1247 1248 fp = &xfer->send.hdr; 1249 fp->mode.wreqb.len = 8; 1250 fp->mode.wreqb.extcode = 0; 1251 xfer->send.payload[0] = 1252 htonl(((sdev->target->sbp->fd.fc->nodeid | FWLOCALBUS )<< 16)); 1253 xfer->send.payload[1] = htonl((uint32_t)ocb->bus_addr); 1254 1255 /* 1256 * sbp_xfer_free() will attempt to acquire 1257 * the SBP lock on entrance. Also, this removes 1258 * a LOR between the firewire layer and sbp 1259 */ 1260 SBP_UNLOCK(sdev->target->sbp); 1261 if(fw_asyreq(xfer->fc, -1, xfer) != 0){ 1262 sbp_xfer_free(xfer); 1263 ocb->ccb->ccb_h.status = CAM_REQ_INVALID; 1264 xpt_done(ocb->ccb); 1265 } 1266 SBP_LOCK(sdev->target->sbp); 1267 } 1268 1269 static void 1270 sbp_doorbell_callback(struct fw_xfer *xfer) 1271 { 1272 struct sbp_dev *sdev; 1273 sdev = (struct sbp_dev *)xfer->sc; 1274 1275 SBP_DEBUG(1) 1276 device_printf(sdev->target->sbp->fd.dev, 1277 "%s:%s\n", __func__, sdev->bustgtlun); 1278 END_DEBUG 1279 if (xfer->resp != 0) { 1280 /* XXX */ 1281 device_printf(sdev->target->sbp->fd.dev, 1282 "%s: xfer->resp = %d\n", __func__, xfer->resp); 1283 } 1284 sbp_xfer_free(xfer); 1285 sdev->flags &= ~ORB_DOORBELL_ACTIVE; 1286 if ((sdev->flags & ORB_DOORBELL_NEED) != 0) { 1287 sdev->flags &= ~ORB_DOORBELL_NEED; 1288 SBP_LOCK(sdev->target->sbp); 1289 sbp_doorbell(sdev); 1290 SBP_UNLOCK(sdev->target->sbp); 1291 } 1292 return; 1293 } 1294 1295 static void 1296 sbp_doorbell(struct sbp_dev *sdev) 1297 { 1298 struct fw_xfer *xfer; 1299 struct fw_pkt *fp; 1300 SBP_DEBUG(1) 1301 device_printf(sdev->target->sbp->fd.dev, 1302 "%s:%s\n", __func__, sdev->bustgtlun); 1303 END_DEBUG 1304 1305 if ((sdev->flags & ORB_DOORBELL_ACTIVE) != 0) { 1306 sdev->flags |= ORB_DOORBELL_NEED; 1307 return; 1308 } 1309 sdev->flags |= ORB_DOORBELL_ACTIVE; 1310 xfer = sbp_write_cmd_locked(sdev, FWTCODE_WREQQ, 0x10); 1311 if (xfer == NULL) 1312 return; 1313 xfer->hand = sbp_doorbell_callback; 1314 fp = &xfer->send.hdr; 1315 fp->mode.wreqq.data = htonl(0xf); 1316 fw_asyreq(xfer->fc, -1, xfer); 1317 } 1318 1319 static struct fw_xfer * 1320 sbp_write_cmd_locked(struct sbp_dev *sdev, int tcode, int offset) 1321 { 1322 struct fw_xfer *xfer; 1323 struct fw_pkt *fp; 1324 struct sbp_target *target; 1325 int s, new = 0; 1326 1327 mtx_assert(&sdev->target->sbp->mtx, MA_OWNED); 1328 1329 target = sdev->target; 1330 s = splfw(); 1331 xfer = STAILQ_FIRST(&target->xferlist); 1332 if (xfer == NULL) { 1333 if (target->n_xfer > 5 /* XXX */) { 1334 printf("sbp: no more xfer for this target\n"); 1335 splx(s); 1336 return(NULL); 1337 } 1338 xfer = fw_xfer_alloc_buf(M_SBP, 8, 0); 1339 if(xfer == NULL){ 1340 printf("sbp: fw_xfer_alloc_buf failed\n"); 1341 splx(s); 1342 return NULL; 1343 } 1344 target->n_xfer ++; 1345 if (debug) 1346 printf("sbp: alloc %d xfer\n", target->n_xfer); 1347 new = 1; 1348 } else { 1349 STAILQ_REMOVE_HEAD(&target->xferlist, link); 1350 } 1351 splx(s); 1352 1353 if (new) { 1354 xfer->recv.pay_len = 0; 1355 xfer->send.spd = min(sdev->target->fwdev->speed, max_speed); 1356 xfer->fc = sdev->target->sbp->fd.fc; 1357 } 1358 1359 if (tcode == FWTCODE_WREQB) 1360 xfer->send.pay_len = 8; 1361 else 1362 xfer->send.pay_len = 0; 1363 1364 xfer->sc = (caddr_t)sdev; 1365 fp = &xfer->send.hdr; 1366 fp->mode.wreqq.dest_hi = sdev->login->cmd_hi; 1367 fp->mode.wreqq.dest_lo = sdev->login->cmd_lo + offset; 1368 fp->mode.wreqq.tlrt = 0; 1369 fp->mode.wreqq.tcode = tcode; 1370 fp->mode.wreqq.pri = 0; 1371 fp->mode.wreqq.dst = FWLOCALBUS | sdev->target->fwdev->dst; 1372 1373 return xfer; 1374 1375 } 1376 1377 static struct fw_xfer * 1378 sbp_write_cmd(struct sbp_dev *sdev, int tcode, int offset) 1379 { 1380 struct sbp_softc *sbp = sdev->target->sbp; 1381 struct fw_xfer *xfer; 1382 1383 SBP_LOCK(sbp); 1384 xfer = sbp_write_cmd_locked(sdev, tcode, offset); 1385 SBP_UNLOCK(sbp); 1386 1387 return (xfer); 1388 } 1389 1390 static void 1391 sbp_mgm_orb(struct sbp_dev *sdev, int func, struct sbp_ocb *aocb) 1392 { 1393 struct fw_xfer *xfer; 1394 struct fw_pkt *fp; 1395 struct sbp_ocb *ocb; 1396 struct sbp_target *target; 1397 int s, nid; 1398 1399 target = sdev->target; 1400 nid = target->sbp->fd.fc->nodeid | FWLOCALBUS; 1401 1402 s = splfw(); 1403 SBP_LOCK(target->sbp); 1404 if (func == ORB_FUN_RUNQUEUE) { 1405 ocb = STAILQ_FIRST(&target->mgm_ocb_queue); 1406 if (target->mgm_ocb_cur != NULL || ocb == NULL) { 1407 SBP_UNLOCK(target->sbp); 1408 splx(s); 1409 return; 1410 } 1411 STAILQ_REMOVE_HEAD(&target->mgm_ocb_queue, ocb); 1412 SBP_UNLOCK(target->sbp); 1413 goto start; 1414 } 1415 if ((ocb = sbp_get_ocb(sdev)) == NULL) { 1416 SBP_UNLOCK(target->sbp); 1417 splx(s); 1418 /* XXX */ 1419 return; 1420 } 1421 SBP_UNLOCK(target->sbp); 1422 ocb->flags = OCB_ACT_MGM; 1423 ocb->sdev = sdev; 1424 1425 bzero((void *)ocb->orb, sizeof(ocb->orb)); 1426 ocb->orb[6] = htonl((nid << 16) | SBP_BIND_HI); 1427 ocb->orb[7] = htonl(SBP_DEV2ADDR(target->target_id, sdev->lun_id)); 1428 1429 SBP_DEBUG(0) 1430 device_printf(sdev->target->sbp->fd.dev, 1431 "%s:%s %s\n", 1432 __func__,sdev->bustgtlun, 1433 orb_fun_name[(func>>16)&0xf]); 1434 END_DEBUG 1435 switch (func) { 1436 case ORB_FUN_LGI: 1437 ocb->orb[0] = ocb->orb[1] = 0; /* password */ 1438 ocb->orb[2] = htonl(nid << 16); 1439 ocb->orb[3] = htonl(sdev->dma.bus_addr); 1440 ocb->orb[4] = htonl(ORB_NOTIFY | sdev->lun_id); 1441 if (ex_login) 1442 ocb->orb[4] |= htonl(ORB_EXV); 1443 ocb->orb[5] = htonl(SBP_LOGIN_SIZE); 1444 fwdma_sync(&sdev->dma, BUS_DMASYNC_PREREAD); 1445 break; 1446 case ORB_FUN_ATA: 1447 ocb->orb[0] = htonl((0 << 16) | 0); 1448 ocb->orb[1] = htonl(aocb->bus_addr & 0xffffffff); 1449 /* fall through */ 1450 case ORB_FUN_RCN: 1451 case ORB_FUN_LGO: 1452 case ORB_FUN_LUR: 1453 case ORB_FUN_RST: 1454 case ORB_FUN_ATS: 1455 ocb->orb[4] = htonl(ORB_NOTIFY | func | sdev->login->id); 1456 break; 1457 } 1458 1459 if (target->mgm_ocb_cur != NULL) { 1460 /* there is a standing ORB */ 1461 SBP_LOCK(target->sbp); 1462 STAILQ_INSERT_TAIL(&sdev->target->mgm_ocb_queue, ocb, ocb); 1463 SBP_UNLOCK(target->sbp); 1464 splx(s); 1465 return; 1466 } 1467 start: 1468 target->mgm_ocb_cur = ocb; 1469 splx(s); 1470 1471 callout_reset(&target->mgm_ocb_timeout, 5*hz, 1472 sbp_mgm_timeout, (caddr_t)ocb); 1473 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0); 1474 if(xfer == NULL){ 1475 return; 1476 } 1477 xfer->hand = sbp_mgm_callback; 1478 1479 fp = &xfer->send.hdr; 1480 fp->mode.wreqb.dest_hi = sdev->target->mgm_hi; 1481 fp->mode.wreqb.dest_lo = sdev->target->mgm_lo; 1482 fp->mode.wreqb.len = 8; 1483 fp->mode.wreqb.extcode = 0; 1484 xfer->send.payload[0] = htonl(nid << 16); 1485 xfer->send.payload[1] = htonl(ocb->bus_addr & 0xffffffff); 1486 1487 fw_asyreq(xfer->fc, -1, xfer); 1488 } 1489 1490 static void 1491 sbp_print_scsi_cmd(struct sbp_ocb *ocb) 1492 { 1493 struct ccb_scsiio *csio; 1494 1495 csio = &ocb->ccb->csio; 1496 printf("%s:%d:%jx XPT_SCSI_IO: " 1497 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 1498 ", flags: 0x%02x, " 1499 "%db cmd/%db data/%db sense\n", 1500 device_get_nameunit(ocb->sdev->target->sbp->fd.dev), 1501 ocb->ccb->ccb_h.target_id, 1502 (uintmax_t)ocb->ccb->ccb_h.target_lun, 1503 csio->cdb_io.cdb_bytes[0], 1504 csio->cdb_io.cdb_bytes[1], 1505 csio->cdb_io.cdb_bytes[2], 1506 csio->cdb_io.cdb_bytes[3], 1507 csio->cdb_io.cdb_bytes[4], 1508 csio->cdb_io.cdb_bytes[5], 1509 csio->cdb_io.cdb_bytes[6], 1510 csio->cdb_io.cdb_bytes[7], 1511 csio->cdb_io.cdb_bytes[8], 1512 csio->cdb_io.cdb_bytes[9], 1513 ocb->ccb->ccb_h.flags & CAM_DIR_MASK, 1514 csio->cdb_len, csio->dxfer_len, 1515 csio->sense_len); 1516 } 1517 1518 static void 1519 sbp_scsi_status(struct sbp_status *sbp_status, struct sbp_ocb *ocb) 1520 { 1521 struct sbp_cmd_status *sbp_cmd_status; 1522 struct scsi_sense_data_fixed *sense; 1523 1524 sbp_cmd_status = (struct sbp_cmd_status *)sbp_status->data; 1525 sense = (struct scsi_sense_data_fixed *)&ocb->ccb->csio.sense_data; 1526 1527 SBP_DEBUG(0) 1528 sbp_print_scsi_cmd(ocb); 1529 /* XXX need decode status */ 1530 printf("%s: SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d\n", 1531 ocb->sdev->bustgtlun, 1532 sbp_cmd_status->status, 1533 sbp_cmd_status->sfmt, 1534 sbp_cmd_status->valid, 1535 sbp_cmd_status->s_key, 1536 sbp_cmd_status->s_code, 1537 sbp_cmd_status->s_qlfr, 1538 sbp_status->len); 1539 END_DEBUG 1540 1541 switch (sbp_cmd_status->status) { 1542 case SCSI_STATUS_CHECK_COND: 1543 case SCSI_STATUS_BUSY: 1544 case SCSI_STATUS_CMD_TERMINATED: 1545 if(sbp_cmd_status->sfmt == SBP_SFMT_CURR){ 1546 sense->error_code = SSD_CURRENT_ERROR; 1547 }else{ 1548 sense->error_code = SSD_DEFERRED_ERROR; 1549 } 1550 if(sbp_cmd_status->valid) 1551 sense->error_code |= SSD_ERRCODE_VALID; 1552 sense->flags = sbp_cmd_status->s_key; 1553 if(sbp_cmd_status->mark) 1554 sense->flags |= SSD_FILEMARK; 1555 if(sbp_cmd_status->eom) 1556 sense->flags |= SSD_EOM; 1557 if(sbp_cmd_status->ill_len) 1558 sense->flags |= SSD_ILI; 1559 1560 bcopy(&sbp_cmd_status->info, &sense->info[0], 4); 1561 1562 if (sbp_status->len <= 1) 1563 /* XXX not scsi status. shouldn't be happened */ 1564 sense->extra_len = 0; 1565 else if (sbp_status->len <= 4) 1566 /* add_sense_code(_qual), info, cmd_spec_info */ 1567 sense->extra_len = 6; 1568 else 1569 /* fru, sense_key_spec */ 1570 sense->extra_len = 10; 1571 1572 bcopy(&sbp_cmd_status->cdb, &sense->cmd_spec_info[0], 4); 1573 1574 sense->add_sense_code = sbp_cmd_status->s_code; 1575 sense->add_sense_code_qual = sbp_cmd_status->s_qlfr; 1576 sense->fru = sbp_cmd_status->fru; 1577 1578 bcopy(&sbp_cmd_status->s_keydep[0], 1579 &sense->sense_key_spec[0], 3); 1580 1581 ocb->ccb->csio.scsi_status = sbp_cmd_status->status; 1582 ocb->ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR 1583 | CAM_AUTOSNS_VALID; 1584 /* 1585 { 1586 uint8_t j, *tmp; 1587 tmp = sense; 1588 for( j = 0 ; j < 32 ; j+=8){ 1589 printf("sense %02x%02x %02x%02x %02x%02x %02x%02x\n", 1590 tmp[j], tmp[j+1], tmp[j+2], tmp[j+3], 1591 tmp[j+4], tmp[j+5], tmp[j+6], tmp[j+7]); 1592 } 1593 1594 } 1595 */ 1596 break; 1597 default: 1598 device_printf(ocb->sdev->target->sbp->fd.dev, 1599 "%s:%s unknown scsi status 0x%x\n", 1600 __func__, ocb->sdev->bustgtlun, 1601 sbp_cmd_status->status); 1602 } 1603 } 1604 1605 static void 1606 sbp_fix_inq_data(struct sbp_ocb *ocb) 1607 { 1608 union ccb *ccb; 1609 struct sbp_dev *sdev; 1610 struct scsi_inquiry_data *inq; 1611 1612 ccb = ocb->ccb; 1613 sdev = ocb->sdev; 1614 1615 if (ccb->csio.cdb_io.cdb_bytes[1] & SI_EVPD) 1616 return; 1617 SBP_DEBUG(1) 1618 device_printf(sdev->target->sbp->fd.dev, 1619 "%s:%s\n", __func__, sdev->bustgtlun); 1620 END_DEBUG 1621 inq = (struct scsi_inquiry_data *) ccb->csio.data_ptr; 1622 switch (SID_TYPE(inq)) { 1623 case T_DIRECT: 1624 #if 0 1625 /* 1626 * XXX Convert Direct Access device to RBC. 1627 * I've never seen FireWire DA devices which support READ_6. 1628 */ 1629 if (SID_TYPE(inq) == T_DIRECT) 1630 inq->device |= T_RBC; /* T_DIRECT == 0 */ 1631 #endif 1632 /* fall through */ 1633 case T_RBC: 1634 /* 1635 * Override vendor/product/revision information. 1636 * Some devices sometimes return strange strings. 1637 */ 1638 #if 1 1639 bcopy(sdev->vendor, inq->vendor, sizeof(inq->vendor)); 1640 bcopy(sdev->product, inq->product, sizeof(inq->product)); 1641 bcopy(sdev->revision+2, inq->revision, sizeof(inq->revision)); 1642 #endif 1643 break; 1644 } 1645 /* 1646 * Force to enable/disable tagged queuing. 1647 * XXX CAM also checks SCP_QUEUE_DQUE flag in the control mode page. 1648 */ 1649 if (sbp_tags > 0) 1650 inq->flags |= SID_CmdQue; 1651 else if (sbp_tags < 0) 1652 inq->flags &= ~SID_CmdQue; 1653 1654 } 1655 1656 static void 1657 sbp_recv1(struct fw_xfer *xfer) 1658 { 1659 struct fw_pkt *rfp; 1660 #if NEED_RESPONSE 1661 struct fw_pkt *sfp; 1662 #endif 1663 struct sbp_softc *sbp; 1664 struct sbp_dev *sdev; 1665 struct sbp_ocb *ocb; 1666 struct sbp_login_res *login_res = NULL; 1667 struct sbp_status *sbp_status; 1668 struct sbp_target *target; 1669 int orb_fun, status_valid0, status_valid, t, l, reset_agent = 0; 1670 uint32_t addr; 1671 /* 1672 uint32_t *ld; 1673 ld = xfer->recv.buf; 1674 printf("sbp %x %d %d %08x %08x %08x %08x\n", 1675 xfer->resp, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3])); 1676 printf("sbp %08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 1677 printf("sbp %08x %08x %08x %08x\n", ntohl(ld[8]), ntohl(ld[9]), ntohl(ld[10]), ntohl(ld[11])); 1678 */ 1679 sbp = (struct sbp_softc *)xfer->sc; 1680 if (xfer->resp != 0){ 1681 printf("sbp_recv: xfer->resp = %d\n", xfer->resp); 1682 goto done0; 1683 } 1684 if (xfer->recv.payload == NULL){ 1685 printf("sbp_recv: xfer->recv.payload == NULL\n"); 1686 goto done0; 1687 } 1688 rfp = &xfer->recv.hdr; 1689 if(rfp->mode.wreqb.tcode != FWTCODE_WREQB){ 1690 printf("sbp_recv: tcode = %d\n", rfp->mode.wreqb.tcode); 1691 goto done0; 1692 } 1693 sbp_status = (struct sbp_status *)xfer->recv.payload; 1694 addr = rfp->mode.wreqb.dest_lo; 1695 SBP_DEBUG(2) 1696 printf("received address 0x%x\n", addr); 1697 END_DEBUG 1698 t = SBP_ADDR2TRG(addr); 1699 if (t >= SBP_NUM_TARGETS) { 1700 device_printf(sbp->fd.dev, 1701 "sbp_recv1: invalid target %d\n", t); 1702 goto done0; 1703 } 1704 target = &sbp->targets[t]; 1705 l = SBP_ADDR2LUN(addr); 1706 if (l >= target->num_lun || target->luns[l] == NULL) { 1707 device_printf(sbp->fd.dev, 1708 "sbp_recv1: invalid lun %d (target=%d)\n", l, t); 1709 goto done0; 1710 } 1711 sdev = target->luns[l]; 1712 1713 ocb = NULL; 1714 switch (sbp_status->src) { 1715 case 0: 1716 case 1: 1717 /* check mgm_ocb_cur first */ 1718 ocb = target->mgm_ocb_cur; 1719 if (ocb != NULL) { 1720 if (OCB_MATCH(ocb, sbp_status)) { 1721 callout_stop(&target->mgm_ocb_timeout); 1722 target->mgm_ocb_cur = NULL; 1723 break; 1724 } 1725 } 1726 ocb = sbp_dequeue_ocb(sdev, sbp_status); 1727 if (ocb == NULL) { 1728 device_printf(sdev->target->sbp->fd.dev, 1729 #if defined(__DragonFly__) || __FreeBSD_version < 500000 1730 "%s:%s No ocb(%lx) on the queue\n", 1731 #else 1732 "%s:%s No ocb(%x) on the queue\n", 1733 #endif 1734 __func__,sdev->bustgtlun, 1735 ntohl(sbp_status->orb_lo)); 1736 } 1737 break; 1738 case 2: 1739 /* unsolicit */ 1740 device_printf(sdev->target->sbp->fd.dev, 1741 "%s:%s unsolicit status received\n", 1742 __func__, sdev->bustgtlun); 1743 break; 1744 default: 1745 device_printf(sdev->target->sbp->fd.dev, 1746 "%s:%s unknown sbp_status->src\n", 1747 __func__, sdev->bustgtlun); 1748 } 1749 1750 status_valid0 = (sbp_status->src < 2 1751 && sbp_status->resp == ORB_RES_CMPL 1752 && sbp_status->dead == 0); 1753 status_valid = (status_valid0 && sbp_status->status == 0); 1754 1755 if (!status_valid0 || debug > 2){ 1756 int status; 1757 SBP_DEBUG(0) 1758 device_printf(sdev->target->sbp->fd.dev, 1759 "%s:%s ORB status src:%x resp:%x dead:%x" 1760 #if defined(__DragonFly__) || __FreeBSD_version < 500000 1761 " len:%x stat:%x orb:%x%08lx\n", 1762 #else 1763 " len:%x stat:%x orb:%x%08x\n", 1764 #endif 1765 __func__, sdev->bustgtlun, 1766 sbp_status->src, sbp_status->resp, sbp_status->dead, 1767 sbp_status->len, sbp_status->status, 1768 ntohs(sbp_status->orb_hi), ntohl(sbp_status->orb_lo)); 1769 END_DEBUG 1770 device_printf(sdev->target->sbp->fd.dev, 1771 "%s\n", sdev->bustgtlun); 1772 status = sbp_status->status; 1773 switch(sbp_status->resp) { 1774 case 0: 1775 if (status > MAX_ORB_STATUS0) 1776 printf("%s\n", orb_status0[MAX_ORB_STATUS0]); 1777 else 1778 printf("%s\n", orb_status0[status]); 1779 break; 1780 case 1: 1781 printf("Obj: %s, Error: %s\n", 1782 orb_status1_object[(status>>6) & 3], 1783 orb_status1_serial_bus_error[status & 0xf]); 1784 break; 1785 case 2: 1786 printf("Illegal request\n"); 1787 break; 1788 case 3: 1789 printf("Vendor dependent\n"); 1790 break; 1791 default: 1792 printf("unknown respose code %d\n", sbp_status->resp); 1793 } 1794 } 1795 1796 /* we have to reset the fetch agent if it's dead */ 1797 if (sbp_status->dead) { 1798 if (sdev->path) { 1799 SBP_LOCK(sbp); 1800 xpt_freeze_devq(sdev->path, 1); 1801 sdev->freeze ++; 1802 SBP_UNLOCK(sbp); 1803 } 1804 reset_agent = 1; 1805 } 1806 1807 if (ocb == NULL) 1808 goto done; 1809 1810 switch(ntohl(ocb->orb[4]) & ORB_FMT_MSK){ 1811 case ORB_FMT_NOP: 1812 break; 1813 case ORB_FMT_VED: 1814 break; 1815 case ORB_FMT_STD: 1816 switch(ocb->flags) { 1817 case OCB_ACT_MGM: 1818 orb_fun = ntohl(ocb->orb[4]) & ORB_FUN_MSK; 1819 reset_agent = 0; 1820 switch(orb_fun) { 1821 case ORB_FUN_LGI: 1822 fwdma_sync(&sdev->dma, BUS_DMASYNC_POSTREAD); 1823 login_res = sdev->login; 1824 login_res->len = ntohs(login_res->len); 1825 login_res->id = ntohs(login_res->id); 1826 login_res->cmd_hi = ntohs(login_res->cmd_hi); 1827 login_res->cmd_lo = ntohl(login_res->cmd_lo); 1828 if (status_valid) { 1829 SBP_DEBUG(0) 1830 device_printf(sdev->target->sbp->fd.dev, 1831 "%s:%s login: len %d, ID %d, cmd %08x%08x, recon_hold %d\n", 1832 __func__, sdev->bustgtlun, 1833 login_res->len, login_res->id, 1834 login_res->cmd_hi, login_res->cmd_lo, 1835 ntohs(login_res->recon_hold)); 1836 END_DEBUG 1837 sbp_busy_timeout(sdev); 1838 } else { 1839 /* forgot logout? */ 1840 device_printf(sdev->target->sbp->fd.dev, 1841 "%s:%s login failed\n", 1842 __func__, sdev->bustgtlun); 1843 sdev->status = SBP_DEV_RESET; 1844 } 1845 break; 1846 case ORB_FUN_RCN: 1847 login_res = sdev->login; 1848 if (status_valid) { 1849 SBP_DEBUG(0) 1850 device_printf(sdev->target->sbp->fd.dev, 1851 "%s:%s reconnect: len %d, ID %d, cmd %08x%08x\n", 1852 __func__, sdev->bustgtlun, 1853 login_res->len, login_res->id, 1854 login_res->cmd_hi, login_res->cmd_lo); 1855 END_DEBUG 1856 if (sdev->status == SBP_DEV_ATTACHED) 1857 sbp_scan_dev(sdev); 1858 else 1859 sbp_agent_reset(sdev); 1860 } else { 1861 /* reconnection hold time exceed? */ 1862 SBP_DEBUG(0) 1863 device_printf(sdev->target->sbp->fd.dev, 1864 "%s:%s reconnect failed\n", 1865 __func__, sdev->bustgtlun); 1866 END_DEBUG 1867 sbp_login(sdev); 1868 } 1869 break; 1870 case ORB_FUN_LGO: 1871 sdev->status = SBP_DEV_RESET; 1872 break; 1873 case ORB_FUN_RST: 1874 sbp_busy_timeout(sdev); 1875 break; 1876 case ORB_FUN_LUR: 1877 case ORB_FUN_ATA: 1878 case ORB_FUN_ATS: 1879 sbp_agent_reset(sdev); 1880 break; 1881 default: 1882 device_printf(sdev->target->sbp->fd.dev, 1883 "%s:%s unknown function %d\n", 1884 __func__, sdev->bustgtlun, orb_fun); 1885 break; 1886 } 1887 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 1888 break; 1889 case OCB_ACT_CMD: 1890 sdev->timeout = 0; 1891 if(ocb->ccb != NULL){ 1892 union ccb *ccb; 1893 1894 ccb = ocb->ccb; 1895 if(sbp_status->len > 1){ 1896 sbp_scsi_status(sbp_status, ocb); 1897 }else{ 1898 if(sbp_status->resp != ORB_RES_CMPL){ 1899 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1900 }else{ 1901 ccb->ccb_h.status = CAM_REQ_CMP; 1902 } 1903 } 1904 /* fix up inq data */ 1905 if (ccb->csio.cdb_io.cdb_bytes[0] == INQUIRY) 1906 sbp_fix_inq_data(ocb); 1907 SBP_LOCK(sbp); 1908 xpt_done(ccb); 1909 SBP_UNLOCK(sbp); 1910 } 1911 break; 1912 default: 1913 break; 1914 } 1915 } 1916 1917 if (!use_doorbell) 1918 sbp_free_ocb(sdev, ocb); 1919 done: 1920 if (reset_agent) 1921 sbp_agent_reset(sdev); 1922 1923 done0: 1924 xfer->recv.pay_len = SBP_RECV_LEN; 1925 /* The received packet is usually small enough to be stored within 1926 * the buffer. In that case, the controller return ack_complete and 1927 * no respose is necessary. 1928 * 1929 * XXX fwohci.c and firewire.c should inform event_code such as 1930 * ack_complete or ack_pending to upper driver. 1931 */ 1932 #if NEED_RESPONSE 1933 xfer->send.off = 0; 1934 sfp = (struct fw_pkt *)xfer->send.buf; 1935 sfp->mode.wres.dst = rfp->mode.wreqb.src; 1936 xfer->dst = sfp->mode.wres.dst; 1937 xfer->spd = min(sdev->target->fwdev->speed, max_speed); 1938 xfer->hand = sbp_loginres_callback; 1939 1940 sfp->mode.wres.tlrt = rfp->mode.wreqb.tlrt; 1941 sfp->mode.wres.tcode = FWTCODE_WRES; 1942 sfp->mode.wres.rtcode = 0; 1943 sfp->mode.wres.pri = 0; 1944 1945 fw_asyreq(xfer->fc, -1, xfer); 1946 #else 1947 /* recycle */ 1948 /* we don't need a lock here because bottom half is serialized */ 1949 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link); 1950 #endif 1951 1952 return; 1953 1954 } 1955 1956 static void 1957 sbp_recv(struct fw_xfer *xfer) 1958 { 1959 int s; 1960 1961 s = splcam(); 1962 sbp_recv1(xfer); 1963 splx(s); 1964 } 1965 /* 1966 * sbp_attach() 1967 */ 1968 static int 1969 sbp_attach(device_t dev) 1970 { 1971 struct sbp_softc *sbp; 1972 struct cam_devq *devq; 1973 struct firewire_comm *fc; 1974 int i, s, error; 1975 1976 if (DFLTPHYS > SBP_MAXPHYS) 1977 device_printf(dev, "Warning, DFLTPHYS(%dKB) is larger than " 1978 "SBP_MAXPHYS(%dKB).\n", DFLTPHYS / 1024, 1979 SBP_MAXPHYS / 1024); 1980 1981 if (!firewire_phydma_enable) 1982 device_printf(dev, "Warning, hw.firewire.phydma_enable must be 1 " 1983 "for SBP over FireWire.\n"); 1984 SBP_DEBUG(0) 1985 printf("sbp_attach (cold=%d)\n", cold); 1986 END_DEBUG 1987 1988 if (cold) 1989 sbp_cold ++; 1990 sbp = ((struct sbp_softc *)device_get_softc(dev)); 1991 bzero(sbp, sizeof(struct sbp_softc)); 1992 sbp->fd.dev = dev; 1993 sbp->fd.fc = fc = device_get_ivars(dev); 1994 mtx_init(&sbp->mtx, "sbp", NULL, MTX_DEF); 1995 1996 if (max_speed < 0) 1997 max_speed = fc->speed; 1998 1999 error = bus_dma_tag_create(/*parent*/fc->dmat, 2000 /* XXX shoud be 4 for sane backend? */ 2001 /*alignment*/1, 2002 /*boundary*/0, 2003 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, 2004 /*highaddr*/BUS_SPACE_MAXADDR, 2005 /*filter*/NULL, /*filterarg*/NULL, 2006 /*maxsize*/0x100000, /*nsegments*/SBP_IND_MAX, 2007 /*maxsegsz*/SBP_SEG_MAX, 2008 /*flags*/BUS_DMA_ALLOCNOW, 2009 #if defined(__FreeBSD__) && __FreeBSD_version >= 501102 2010 /*lockfunc*/busdma_lock_mutex, 2011 /*lockarg*/&sbp->mtx, 2012 #endif 2013 &sbp->dmat); 2014 if (error != 0) { 2015 printf("sbp_attach: Could not allocate DMA tag " 2016 "- error %d\n", error); 2017 return (ENOMEM); 2018 } 2019 2020 devq = cam_simq_alloc(/*maxopenings*/SBP_NUM_OCB); 2021 if (devq == NULL) 2022 return (ENXIO); 2023 2024 for( i = 0 ; i < SBP_NUM_TARGETS ; i++){ 2025 sbp->targets[i].fwdev = NULL; 2026 sbp->targets[i].luns = NULL; 2027 } 2028 2029 sbp->sim = cam_sim_alloc(sbp_action, sbp_poll, "sbp", sbp, 2030 device_get_unit(dev), 2031 &sbp->mtx, 2032 /*untagged*/ 1, 2033 /*tagged*/ SBP_QUEUE_LEN - 1, 2034 devq); 2035 2036 if (sbp->sim == NULL) { 2037 cam_simq_free(devq); 2038 return (ENXIO); 2039 } 2040 2041 SBP_LOCK(sbp); 2042 if (xpt_bus_register(sbp->sim, dev, /*bus*/0) != CAM_SUCCESS) 2043 goto fail; 2044 2045 if (xpt_create_path(&sbp->path, NULL, cam_sim_path(sbp->sim), 2046 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 2047 xpt_bus_deregister(cam_sim_path(sbp->sim)); 2048 goto fail; 2049 } 2050 SBP_UNLOCK(sbp); 2051 2052 /* We reserve 16 bit space (4 bytes X 64 targets X 256 luns) */ 2053 sbp->fwb.start = ((u_int64_t)SBP_BIND_HI << 32) | SBP_DEV2ADDR(0, 0); 2054 sbp->fwb.end = sbp->fwb.start + 0xffff; 2055 /* pre-allocate xfer */ 2056 STAILQ_INIT(&sbp->fwb.xferlist); 2057 fw_xferlist_add(&sbp->fwb.xferlist, M_SBP, 2058 /*send*/ 0, /*recv*/ SBP_RECV_LEN, SBP_NUM_OCB/2, 2059 fc, (void *)sbp, sbp_recv); 2060 2061 fw_bindadd(fc, &sbp->fwb); 2062 2063 sbp->fd.post_busreset = sbp_post_busreset; 2064 sbp->fd.post_explore = sbp_post_explore; 2065 2066 if (fc->status != -1) { 2067 s = splfw(); 2068 sbp_post_busreset((void *)sbp); 2069 sbp_post_explore((void *)sbp); 2070 splx(s); 2071 } 2072 SBP_LOCK(sbp); 2073 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL); 2074 SBP_UNLOCK(sbp); 2075 2076 return (0); 2077 fail: 2078 SBP_UNLOCK(sbp); 2079 cam_sim_free(sbp->sim, /*free_devq*/TRUE); 2080 return (ENXIO); 2081 } 2082 2083 static int 2084 sbp_logout_all(struct sbp_softc *sbp) 2085 { 2086 struct sbp_target *target; 2087 struct sbp_dev *sdev; 2088 int i, j; 2089 2090 SBP_DEBUG(0) 2091 printf("sbp_logout_all\n"); 2092 END_DEBUG 2093 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) { 2094 target = &sbp->targets[i]; 2095 if (target->luns == NULL) 2096 continue; 2097 for (j = 0; j < target->num_lun; j++) { 2098 sdev = target->luns[j]; 2099 if (sdev == NULL) 2100 continue; 2101 callout_stop(&sdev->login_callout); 2102 if (sdev->status >= SBP_DEV_TOATTACH && 2103 sdev->status <= SBP_DEV_ATTACHED) 2104 sbp_mgm_orb(sdev, ORB_FUN_LGO, NULL); 2105 } 2106 } 2107 2108 return 0; 2109 } 2110 2111 static int 2112 sbp_shutdown(device_t dev) 2113 { 2114 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 2115 2116 sbp_logout_all(sbp); 2117 return (0); 2118 } 2119 2120 static void 2121 sbp_free_sdev(struct sbp_dev *sdev) 2122 { 2123 int i; 2124 2125 if (sdev == NULL) 2126 return; 2127 for (i = 0; i < SBP_QUEUE_LEN; i++) 2128 bus_dmamap_destroy(sdev->target->sbp->dmat, 2129 sdev->ocb[i].dmamap); 2130 fwdma_free(sdev->target->sbp->fd.fc, &sdev->dma); 2131 free(sdev, M_SBP); 2132 sdev = NULL; 2133 } 2134 2135 static void 2136 sbp_free_target(struct sbp_target *target) 2137 { 2138 struct sbp_softc *sbp; 2139 struct fw_xfer *xfer, *next; 2140 int i; 2141 2142 if (target->luns == NULL) 2143 return; 2144 callout_stop(&target->mgm_ocb_timeout); 2145 sbp = target->sbp; 2146 for (i = 0; i < target->num_lun; i++) 2147 sbp_free_sdev(target->luns[i]); 2148 2149 for (xfer = STAILQ_FIRST(&target->xferlist); 2150 xfer != NULL; xfer = next) { 2151 next = STAILQ_NEXT(xfer, link); 2152 fw_xfer_free_buf(xfer); 2153 } 2154 STAILQ_INIT(&target->xferlist); 2155 free(target->luns, M_SBP); 2156 target->num_lun = 0; 2157 target->luns = NULL; 2158 target->fwdev = NULL; 2159 } 2160 2161 static int 2162 sbp_detach(device_t dev) 2163 { 2164 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 2165 struct firewire_comm *fc = sbp->fd.fc; 2166 int i; 2167 2168 SBP_DEBUG(0) 2169 printf("sbp_detach\n"); 2170 END_DEBUG 2171 2172 for (i = 0; i < SBP_NUM_TARGETS; i ++) 2173 sbp_cam_detach_target(&sbp->targets[i]); 2174 2175 SBP_LOCK(sbp); 2176 xpt_async(AC_LOST_DEVICE, sbp->path, NULL); 2177 xpt_free_path(sbp->path); 2178 xpt_bus_deregister(cam_sim_path(sbp->sim)); 2179 cam_sim_free(sbp->sim, /*free_devq*/ TRUE); 2180 SBP_UNLOCK(sbp); 2181 2182 sbp_logout_all(sbp); 2183 2184 /* XXX wait for logout completion */ 2185 pause("sbpdtc", hz/2); 2186 2187 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) 2188 sbp_free_target(&sbp->targets[i]); 2189 2190 fw_bindremove(fc, &sbp->fwb); 2191 fw_xferlist_remove(&sbp->fwb.xferlist); 2192 2193 bus_dma_tag_destroy(sbp->dmat); 2194 mtx_destroy(&sbp->mtx); 2195 2196 return (0); 2197 } 2198 2199 static void 2200 sbp_cam_detach_sdev(struct sbp_dev *sdev) 2201 { 2202 if (sdev == NULL) 2203 return; 2204 if (sdev->status == SBP_DEV_DEAD) 2205 return; 2206 if (sdev->status == SBP_DEV_RESET) 2207 return; 2208 sbp_abort_all_ocbs(sdev, CAM_DEV_NOT_THERE); 2209 if (sdev->path) { 2210 SBP_LOCK(sdev->target->sbp); 2211 xpt_release_devq(sdev->path, 2212 sdev->freeze, TRUE); 2213 sdev->freeze = 0; 2214 xpt_async(AC_LOST_DEVICE, sdev->path, NULL); 2215 xpt_free_path(sdev->path); 2216 sdev->path = NULL; 2217 SBP_UNLOCK(sdev->target->sbp); 2218 } 2219 } 2220 2221 static void 2222 sbp_cam_detach_target(struct sbp_target *target) 2223 { 2224 int i; 2225 2226 if (target->luns != NULL) { 2227 SBP_DEBUG(0) 2228 printf("sbp_detach_target %d\n", target->target_id); 2229 END_DEBUG 2230 callout_stop(&target->scan_callout); 2231 for (i = 0; i < target->num_lun; i++) 2232 sbp_cam_detach_sdev(target->luns[i]); 2233 } 2234 } 2235 2236 static void 2237 sbp_target_reset(struct sbp_dev *sdev, int method) 2238 { 2239 int i; 2240 struct sbp_target *target = sdev->target; 2241 struct sbp_dev *tsdev; 2242 2243 for (i = 0; i < target->num_lun; i++) { 2244 tsdev = target->luns[i]; 2245 if (tsdev == NULL) 2246 continue; 2247 if (tsdev->status == SBP_DEV_DEAD) 2248 continue; 2249 if (tsdev->status == SBP_DEV_RESET) 2250 continue; 2251 SBP_LOCK(target->sbp); 2252 xpt_freeze_devq(tsdev->path, 1); 2253 tsdev->freeze ++; 2254 SBP_UNLOCK(target->sbp); 2255 sbp_abort_all_ocbs(tsdev, CAM_CMD_TIMEOUT); 2256 if (method == 2) 2257 tsdev->status = SBP_DEV_LOGIN; 2258 } 2259 switch(method) { 2260 case 1: 2261 printf("target reset\n"); 2262 sbp_mgm_orb(sdev, ORB_FUN_RST, NULL); 2263 break; 2264 case 2: 2265 printf("reset start\n"); 2266 sbp_reset_start(sdev); 2267 break; 2268 } 2269 2270 } 2271 2272 static void 2273 sbp_mgm_timeout(void *arg) 2274 { 2275 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 2276 struct sbp_dev *sdev = ocb->sdev; 2277 struct sbp_target *target = sdev->target; 2278 2279 device_printf(sdev->target->sbp->fd.dev, 2280 "%s:%s request timeout(mgm orb:0x%08x)\n", 2281 __func__, sdev->bustgtlun, (uint32_t)ocb->bus_addr); 2282 target->mgm_ocb_cur = NULL; 2283 sbp_free_ocb(sdev, ocb); 2284 #if 0 2285 /* XXX */ 2286 printf("run next request\n"); 2287 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 2288 #endif 2289 device_printf(sdev->target->sbp->fd.dev, 2290 "%s:%s reset start\n", 2291 __func__, sdev->bustgtlun); 2292 sbp_reset_start(sdev); 2293 } 2294 2295 static void 2296 sbp_timeout(void *arg) 2297 { 2298 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 2299 struct sbp_dev *sdev = ocb->sdev; 2300 2301 device_printf(sdev->target->sbp->fd.dev, 2302 "%s:%s request timeout(cmd orb:0x%08x) ... ", 2303 __func__, sdev->bustgtlun, (uint32_t)ocb->bus_addr); 2304 2305 sdev->timeout ++; 2306 switch(sdev->timeout) { 2307 case 1: 2308 printf("agent reset\n"); 2309 SBP_LOCK(sdev->target->sbp); 2310 xpt_freeze_devq(sdev->path, 1); 2311 sdev->freeze ++; 2312 SBP_UNLOCK(sdev->target->sbp); 2313 sbp_abort_all_ocbs(sdev, CAM_CMD_TIMEOUT); 2314 sbp_agent_reset(sdev); 2315 break; 2316 case 2: 2317 case 3: 2318 sbp_target_reset(sdev, sdev->timeout - 1); 2319 break; 2320 #if 0 2321 default: 2322 /* XXX give up */ 2323 sbp_cam_detach_target(target); 2324 if (target->luns != NULL) 2325 free(target->luns, M_SBP); 2326 target->num_lun = 0; 2327 target->luns = NULL; 2328 target->fwdev = NULL; 2329 #endif 2330 } 2331 } 2332 2333 static void 2334 sbp_action1(struct cam_sim *sim, union ccb *ccb) 2335 { 2336 2337 struct sbp_softc *sbp = (struct sbp_softc *)sim->softc; 2338 struct sbp_target *target = NULL; 2339 struct sbp_dev *sdev = NULL; 2340 2341 /* target:lun -> sdev mapping */ 2342 if (sbp != NULL 2343 && ccb->ccb_h.target_id != CAM_TARGET_WILDCARD 2344 && ccb->ccb_h.target_id < SBP_NUM_TARGETS) { 2345 target = &sbp->targets[ccb->ccb_h.target_id]; 2346 if (target->fwdev != NULL 2347 && ccb->ccb_h.target_lun != CAM_LUN_WILDCARD 2348 && ccb->ccb_h.target_lun < target->num_lun) { 2349 sdev = target->luns[ccb->ccb_h.target_lun]; 2350 if (sdev != NULL && sdev->status != SBP_DEV_ATTACHED && 2351 sdev->status != SBP_DEV_PROBE) 2352 sdev = NULL; 2353 } 2354 } 2355 2356 SBP_DEBUG(1) 2357 if (sdev == NULL) 2358 printf("invalid target %d lun %jx\n", 2359 ccb->ccb_h.target_id, (uintmax_t)ccb->ccb_h.target_lun); 2360 END_DEBUG 2361 2362 switch (ccb->ccb_h.func_code) { 2363 case XPT_SCSI_IO: 2364 case XPT_RESET_DEV: 2365 case XPT_GET_TRAN_SETTINGS: 2366 case XPT_SET_TRAN_SETTINGS: 2367 case XPT_CALC_GEOMETRY: 2368 if (sdev == NULL) { 2369 SBP_DEBUG(1) 2370 printf("%s:%d:%jx:func_code 0x%04x: " 2371 "Invalid target (target needed)\n", 2372 device_get_nameunit(sbp->fd.dev), 2373 ccb->ccb_h.target_id, 2374 (uintmax_t)ccb->ccb_h.target_lun, 2375 ccb->ccb_h.func_code); 2376 END_DEBUG 2377 2378 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2379 xpt_done(ccb); 2380 return; 2381 } 2382 break; 2383 case XPT_PATH_INQ: 2384 case XPT_NOOP: 2385 /* The opcodes sometimes aimed at a target (sc is valid), 2386 * sometimes aimed at the SIM (sc is invalid and target is 2387 * CAM_TARGET_WILDCARD) 2388 */ 2389 if (sbp == NULL && 2390 ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) { 2391 SBP_DEBUG(0) 2392 printf("%s:%d:%jx func_code 0x%04x: " 2393 "Invalid target (no wildcard)\n", 2394 device_get_nameunit(sbp->fd.dev), 2395 ccb->ccb_h.target_id, 2396 (uintmax_t)ccb->ccb_h.target_lun, 2397 ccb->ccb_h.func_code); 2398 END_DEBUG 2399 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2400 xpt_done(ccb); 2401 return; 2402 } 2403 break; 2404 default: 2405 /* XXX Hm, we should check the input parameters */ 2406 break; 2407 } 2408 2409 switch (ccb->ccb_h.func_code) { 2410 case XPT_SCSI_IO: 2411 { 2412 struct ccb_scsiio *csio; 2413 struct sbp_ocb *ocb; 2414 int speed; 2415 void *cdb; 2416 2417 csio = &ccb->csio; 2418 mtx_assert(sim->mtx, MA_OWNED); 2419 2420 SBP_DEBUG(2) 2421 printf("%s:%d:%jx XPT_SCSI_IO: " 2422 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 2423 ", flags: 0x%02x, " 2424 "%db cmd/%db data/%db sense\n", 2425 device_get_nameunit(sbp->fd.dev), 2426 ccb->ccb_h.target_id, (uintmax_t)ccb->ccb_h.target_lun, 2427 csio->cdb_io.cdb_bytes[0], 2428 csio->cdb_io.cdb_bytes[1], 2429 csio->cdb_io.cdb_bytes[2], 2430 csio->cdb_io.cdb_bytes[3], 2431 csio->cdb_io.cdb_bytes[4], 2432 csio->cdb_io.cdb_bytes[5], 2433 csio->cdb_io.cdb_bytes[6], 2434 csio->cdb_io.cdb_bytes[7], 2435 csio->cdb_io.cdb_bytes[8], 2436 csio->cdb_io.cdb_bytes[9], 2437 ccb->ccb_h.flags & CAM_DIR_MASK, 2438 csio->cdb_len, csio->dxfer_len, 2439 csio->sense_len); 2440 END_DEBUG 2441 if(sdev == NULL){ 2442 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2443 xpt_done(ccb); 2444 return; 2445 } 2446 #if 0 2447 /* if we are in probe stage, pass only probe commands */ 2448 if (sdev->status == SBP_DEV_PROBE) { 2449 char *name; 2450 name = xpt_path_periph(ccb->ccb_h.path)->periph_name; 2451 printf("probe stage, periph name: %s\n", name); 2452 if (strcmp(name, "probe") != 0) { 2453 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2454 xpt_done(ccb); 2455 return; 2456 } 2457 } 2458 #endif 2459 if ((ocb = sbp_get_ocb(sdev)) == NULL) { 2460 ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 2461 if (sdev->freeze == 0) { 2462 SBP_LOCK(sdev->target->sbp); 2463 xpt_freeze_devq(sdev->path, 1); 2464 sdev->freeze ++; 2465 SBP_UNLOCK(sdev->target->sbp); 2466 } 2467 xpt_done(ccb); 2468 return; 2469 } 2470 2471 ocb->flags = OCB_ACT_CMD; 2472 ocb->sdev = sdev; 2473 ocb->ccb = ccb; 2474 ccb->ccb_h.ccb_sdev_ptr = sdev; 2475 ocb->orb[0] = htonl(1U << 31); 2476 ocb->orb[1] = 0; 2477 ocb->orb[2] = htonl(((sbp->fd.fc->nodeid | FWLOCALBUS )<< 16) ); 2478 ocb->orb[3] = htonl(ocb->bus_addr + IND_PTR_OFFSET); 2479 speed = min(target->fwdev->speed, max_speed); 2480 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_CMD_SPD(speed) 2481 | ORB_CMD_MAXP(speed + 7)); 2482 if((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN){ 2483 ocb->orb[4] |= htonl(ORB_CMD_IN); 2484 } 2485 2486 if (csio->ccb_h.flags & CAM_CDB_POINTER) 2487 cdb = (void *)csio->cdb_io.cdb_ptr; 2488 else 2489 cdb = (void *)&csio->cdb_io.cdb_bytes; 2490 bcopy(cdb, (void *)&ocb->orb[5], csio->cdb_len); 2491 /* 2492 printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[0]), ntohl(ocb->orb[1]), ntohl(ocb->orb[2]), ntohl(ocb->orb[3])); 2493 printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[4]), ntohl(ocb->orb[5]), ntohl(ocb->orb[6]), ntohl(ocb->orb[7])); 2494 */ 2495 if (ccb->csio.dxfer_len > 0) { 2496 int error; 2497 2498 error = bus_dmamap_load_ccb(/*dma tag*/sbp->dmat, 2499 /*dma map*/ocb->dmamap, 2500 ccb, 2501 sbp_execute_ocb, 2502 ocb, 2503 /*flags*/0); 2504 if (error) 2505 printf("sbp: bus_dmamap_load error %d\n", error); 2506 } else 2507 sbp_execute_ocb(ocb, NULL, 0, 0); 2508 break; 2509 } 2510 case XPT_CALC_GEOMETRY: 2511 { 2512 struct ccb_calc_geometry *ccg; 2513 #if defined(__DragonFly__) || __FreeBSD_version < 501100 2514 uint32_t size_mb; 2515 uint32_t secs_per_cylinder; 2516 int extended = 1; 2517 #endif 2518 2519 ccg = &ccb->ccg; 2520 if (ccg->block_size == 0) { 2521 printf("sbp_action1: block_size is 0.\n"); 2522 ccb->ccb_h.status = CAM_REQ_INVALID; 2523 xpt_done(ccb); 2524 break; 2525 } 2526 SBP_DEBUG(1) 2527 printf("%s:%d:%d:%jx:XPT_CALC_GEOMETRY: " 2528 #if defined(__DragonFly__) || __FreeBSD_version < 500000 2529 "Volume size = %d\n", 2530 #else 2531 "Volume size = %jd\n", 2532 #endif 2533 device_get_nameunit(sbp->fd.dev), 2534 cam_sim_path(sbp->sim), 2535 ccb->ccb_h.target_id, (uintmax_t)ccb->ccb_h.target_lun, 2536 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000 2537 (uintmax_t) 2538 #endif 2539 ccg->volume_size); 2540 END_DEBUG 2541 2542 #if defined(__DragonFly__) || __FreeBSD_version < 501100 2543 size_mb = ccg->volume_size 2544 / ((1024L * 1024L) / ccg->block_size); 2545 2546 if (size_mb > 1024 && extended) { 2547 ccg->heads = 255; 2548 ccg->secs_per_track = 63; 2549 } else { 2550 ccg->heads = 64; 2551 ccg->secs_per_track = 32; 2552 } 2553 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 2554 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 2555 ccb->ccb_h.status = CAM_REQ_CMP; 2556 #else 2557 cam_calc_geometry(ccg, /*extended*/1); 2558 #endif 2559 xpt_done(ccb); 2560 break; 2561 } 2562 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 2563 { 2564 2565 SBP_DEBUG(1) 2566 printf("%s:%d:XPT_RESET_BUS: \n", 2567 device_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim)); 2568 END_DEBUG 2569 2570 ccb->ccb_h.status = CAM_REQ_INVALID; 2571 xpt_done(ccb); 2572 break; 2573 } 2574 case XPT_PATH_INQ: /* Path routing inquiry */ 2575 { 2576 struct ccb_pathinq *cpi = &ccb->cpi; 2577 2578 SBP_DEBUG(1) 2579 printf("%s:%d:%jx XPT_PATH_INQ:.\n", 2580 device_get_nameunit(sbp->fd.dev), 2581 ccb->ccb_h.target_id, (uintmax_t)ccb->ccb_h.target_lun); 2582 END_DEBUG 2583 cpi->version_num = 1; /* XXX??? */ 2584 cpi->hba_inquiry = PI_TAG_ABLE; 2585 cpi->target_sprt = 0; 2586 cpi->hba_misc = PIM_NOBUSRESET | PIM_NO_6_BYTE; 2587 cpi->hba_eng_cnt = 0; 2588 cpi->max_target = SBP_NUM_TARGETS - 1; 2589 cpi->max_lun = SBP_NUM_LUNS - 1; 2590 cpi->initiator_id = SBP_INITIATOR; 2591 cpi->bus_id = sim->bus_id; 2592 cpi->base_transfer_speed = 400 * 1000 / 8; 2593 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 2594 strncpy(cpi->hba_vid, "SBP", HBA_IDLEN); 2595 strncpy(cpi->dev_name, sim->sim_name, DEV_IDLEN); 2596 cpi->unit_number = sim->unit_number; 2597 cpi->transport = XPORT_SPI; /* XX should have a FireWire */ 2598 cpi->transport_version = 2; 2599 cpi->protocol = PROTO_SCSI; 2600 cpi->protocol_version = SCSI_REV_2; 2601 2602 cpi->ccb_h.status = CAM_REQ_CMP; 2603 xpt_done(ccb); 2604 break; 2605 } 2606 case XPT_GET_TRAN_SETTINGS: 2607 { 2608 struct ccb_trans_settings *cts = &ccb->cts; 2609 struct ccb_trans_settings_scsi *scsi = 2610 &cts->proto_specific.scsi; 2611 struct ccb_trans_settings_spi *spi = 2612 &cts->xport_specific.spi; 2613 2614 cts->protocol = PROTO_SCSI; 2615 cts->protocol_version = SCSI_REV_2; 2616 cts->transport = XPORT_SPI; /* should have a FireWire */ 2617 cts->transport_version = 2; 2618 spi->valid = CTS_SPI_VALID_DISC; 2619 spi->flags = CTS_SPI_FLAGS_DISC_ENB; 2620 scsi->valid = CTS_SCSI_VALID_TQ; 2621 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; 2622 SBP_DEBUG(1) 2623 printf("%s:%d:%jx XPT_GET_TRAN_SETTINGS:.\n", 2624 device_get_nameunit(sbp->fd.dev), 2625 ccb->ccb_h.target_id, (uintmax_t)ccb->ccb_h.target_lun); 2626 END_DEBUG 2627 cts->ccb_h.status = CAM_REQ_CMP; 2628 xpt_done(ccb); 2629 break; 2630 } 2631 case XPT_ABORT: 2632 ccb->ccb_h.status = CAM_UA_ABORT; 2633 xpt_done(ccb); 2634 break; 2635 case XPT_SET_TRAN_SETTINGS: 2636 /* XXX */ 2637 default: 2638 ccb->ccb_h.status = CAM_REQ_INVALID; 2639 xpt_done(ccb); 2640 break; 2641 } 2642 return; 2643 } 2644 2645 static void 2646 sbp_action(struct cam_sim *sim, union ccb *ccb) 2647 { 2648 int s; 2649 2650 s = splfw(); 2651 sbp_action1(sim, ccb); 2652 splx(s); 2653 } 2654 2655 static void 2656 sbp_execute_ocb(void *arg, bus_dma_segment_t *segments, int seg, int error) 2657 { 2658 int i; 2659 struct sbp_ocb *ocb; 2660 struct sbp_ocb *prev; 2661 bus_dma_segment_t *s; 2662 2663 if (error) 2664 printf("sbp_execute_ocb: error=%d\n", error); 2665 2666 ocb = (struct sbp_ocb *)arg; 2667 2668 SBP_DEBUG(2) 2669 printf("sbp_execute_ocb: seg %d", seg); 2670 for (i = 0; i < seg; i++) 2671 #if defined(__DragonFly__) || __FreeBSD_version < 500000 2672 printf(", %x:%d", segments[i].ds_addr, segments[i].ds_len); 2673 #else 2674 printf(", %jx:%jd", (uintmax_t)segments[i].ds_addr, 2675 (uintmax_t)segments[i].ds_len); 2676 #endif 2677 printf("\n"); 2678 END_DEBUG 2679 2680 if (seg == 1) { 2681 /* direct pointer */ 2682 s = &segments[0]; 2683 if (s->ds_len > SBP_SEG_MAX) 2684 panic("ds_len > SBP_SEG_MAX, fix busdma code"); 2685 ocb->orb[3] = htonl(s->ds_addr); 2686 ocb->orb[4] |= htonl(s->ds_len); 2687 } else if(seg > 1) { 2688 /* page table */ 2689 for (i = 0; i < seg; i++) { 2690 s = &segments[i]; 2691 SBP_DEBUG(0) 2692 /* XXX LSI Logic "< 16 byte" bug might be hit */ 2693 if (s->ds_len < 16) 2694 printf("sbp_execute_ocb: warning, " 2695 #if defined(__DragonFly__) || __FreeBSD_version < 500000 2696 "segment length(%d) is less than 16." 2697 #else 2698 "segment length(%zd) is less than 16." 2699 #endif 2700 "(seg=%d/%d)\n", (size_t)s->ds_len, i+1, seg); 2701 END_DEBUG 2702 if (s->ds_len > SBP_SEG_MAX) 2703 panic("ds_len > SBP_SEG_MAX, fix busdma code"); 2704 ocb->ind_ptr[i].hi = htonl(s->ds_len << 16); 2705 ocb->ind_ptr[i].lo = htonl(s->ds_addr); 2706 } 2707 ocb->orb[4] |= htonl(ORB_CMD_PTBL | seg); 2708 } 2709 2710 if (seg > 0) 2711 bus_dmamap_sync(ocb->sdev->target->sbp->dmat, ocb->dmamap, 2712 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2713 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE); 2714 prev = sbp_enqueue_ocb(ocb->sdev, ocb); 2715 fwdma_sync(&ocb->sdev->dma, BUS_DMASYNC_PREWRITE); 2716 if (use_doorbell) { 2717 if (prev == NULL) { 2718 if (ocb->sdev->last_ocb != NULL) 2719 sbp_doorbell(ocb->sdev); 2720 else 2721 sbp_orb_pointer(ocb->sdev, ocb); 2722 } 2723 } else { 2724 if (prev == NULL || (ocb->sdev->flags & ORB_LINK_DEAD) != 0) { 2725 ocb->sdev->flags &= ~ORB_LINK_DEAD; 2726 sbp_orb_pointer(ocb->sdev, ocb); 2727 } 2728 } 2729 } 2730 2731 static void 2732 sbp_poll(struct cam_sim *sim) 2733 { 2734 struct sbp_softc *sbp; 2735 struct firewire_comm *fc; 2736 2737 sbp = (struct sbp_softc *)sim->softc; 2738 fc = sbp->fd.fc; 2739 2740 fc->poll(fc, 0, -1); 2741 2742 return; 2743 } 2744 2745 static struct sbp_ocb * 2746 sbp_dequeue_ocb(struct sbp_dev *sdev, struct sbp_status *sbp_status) 2747 { 2748 struct sbp_ocb *ocb; 2749 struct sbp_ocb *next; 2750 int s = splfw(), order = 0; 2751 int flags; 2752 2753 SBP_DEBUG(1) 2754 device_printf(sdev->target->sbp->fd.dev, 2755 #if defined(__DragonFly__) || __FreeBSD_version < 500000 2756 "%s:%s 0x%08lx src %d\n", 2757 #else 2758 "%s:%s 0x%08x src %d\n", 2759 #endif 2760 __func__, sdev->bustgtlun, ntohl(sbp_status->orb_lo), sbp_status->src); 2761 END_DEBUG 2762 SBP_LOCK(sdev->target->sbp); 2763 for (ocb = STAILQ_FIRST(&sdev->ocbs); ocb != NULL; ocb = next) { 2764 next = STAILQ_NEXT(ocb, ocb); 2765 flags = ocb->flags; 2766 if (OCB_MATCH(ocb, sbp_status)) { 2767 /* found */ 2768 STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb); 2769 if (ocb->ccb != NULL) 2770 untimeout(sbp_timeout, (caddr_t)ocb, 2771 ocb->timeout_ch); 2772 if (ntohl(ocb->orb[4]) & 0xffff) { 2773 bus_dmamap_sync(sdev->target->sbp->dmat, 2774 ocb->dmamap, 2775 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2776 BUS_DMASYNC_POSTREAD : 2777 BUS_DMASYNC_POSTWRITE); 2778 bus_dmamap_unload(sdev->target->sbp->dmat, 2779 ocb->dmamap); 2780 } 2781 if (!use_doorbell) { 2782 if (sbp_status->src == SRC_NO_NEXT) { 2783 if (next != NULL) 2784 sbp_orb_pointer(sdev, next); 2785 else if (order > 0) { 2786 /* 2787 * Unordered execution 2788 * We need to send pointer for 2789 * next ORB 2790 */ 2791 sdev->flags |= ORB_LINK_DEAD; 2792 } 2793 } 2794 } else { 2795 /* 2796 * XXX this is not correct for unordered 2797 * execution. 2798 */ 2799 if (sdev->last_ocb != NULL) { 2800 SBP_UNLOCK(sdev->target->sbp); 2801 sbp_free_ocb(sdev, sdev->last_ocb); 2802 SBP_LOCK(sdev->target->sbp); 2803 } 2804 sdev->last_ocb = ocb; 2805 if (next != NULL && 2806 sbp_status->src == SRC_NO_NEXT) 2807 sbp_doorbell(sdev); 2808 } 2809 break; 2810 } else 2811 order ++; 2812 } 2813 SBP_UNLOCK(sdev->target->sbp); 2814 splx(s); 2815 SBP_DEBUG(0) 2816 if (ocb && order > 0) { 2817 device_printf(sdev->target->sbp->fd.dev, 2818 "%s:%s unordered execution order:%d\n", 2819 __func__, sdev->bustgtlun, order); 2820 } 2821 END_DEBUG 2822 return (ocb); 2823 } 2824 2825 static struct sbp_ocb * 2826 sbp_enqueue_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 2827 { 2828 int s = splfw(); 2829 struct sbp_ocb *prev, *prev2; 2830 2831 mtx_assert(&sdev->target->sbp->mtx, MA_OWNED); 2832 SBP_DEBUG(1) 2833 device_printf(sdev->target->sbp->fd.dev, 2834 #if defined(__DragonFly__) || __FreeBSD_version < 500000 2835 "%s:%s 0x%08x\n", __func__, sdev->bustgtlun, ocb->bus_addr); 2836 #else 2837 "%s:%s 0x%08jx\n", __func__, sdev->bustgtlun, (uintmax_t)ocb->bus_addr); 2838 #endif 2839 END_DEBUG 2840 prev2 = prev = STAILQ_LAST(&sdev->ocbs, sbp_ocb, ocb); 2841 STAILQ_INSERT_TAIL(&sdev->ocbs, ocb, ocb); 2842 2843 if (ocb->ccb != NULL) 2844 ocb->timeout_ch = timeout(sbp_timeout, (caddr_t)ocb, 2845 (ocb->ccb->ccb_h.timeout * hz) / 1000); 2846 2847 if (use_doorbell && prev == NULL) 2848 prev2 = sdev->last_ocb; 2849 2850 if (prev2 != NULL && (ocb->sdev->flags & ORB_LINK_DEAD) == 0) { 2851 SBP_DEBUG(1) 2852 #if defined(__DragonFly__) || __FreeBSD_version < 500000 2853 printf("linking chain 0x%x -> 0x%x\n", 2854 prev2->bus_addr, ocb->bus_addr); 2855 #else 2856 printf("linking chain 0x%jx -> 0x%jx\n", 2857 (uintmax_t)prev2->bus_addr, (uintmax_t)ocb->bus_addr); 2858 #endif 2859 END_DEBUG 2860 /* 2861 * Suppress compiler optimization so that orb[1] must be written first. 2862 * XXX We may need an explicit memory barrier for other architectures 2863 * other than i386/amd64. 2864 */ 2865 *(volatile uint32_t *)&prev2->orb[1] = htonl(ocb->bus_addr); 2866 *(volatile uint32_t *)&prev2->orb[0] = 0; 2867 } 2868 splx(s); 2869 2870 return prev; 2871 } 2872 2873 static struct sbp_ocb * 2874 sbp_get_ocb(struct sbp_dev *sdev) 2875 { 2876 struct sbp_ocb *ocb; 2877 int s = splfw(); 2878 2879 mtx_assert(&sdev->target->sbp->mtx, MA_OWNED); 2880 ocb = STAILQ_FIRST(&sdev->free_ocbs); 2881 if (ocb == NULL) { 2882 sdev->flags |= ORB_SHORTAGE; 2883 printf("ocb shortage!!!\n"); 2884 splx(s); 2885 return NULL; 2886 } 2887 STAILQ_REMOVE_HEAD(&sdev->free_ocbs, ocb); 2888 splx(s); 2889 ocb->ccb = NULL; 2890 return (ocb); 2891 } 2892 2893 static void 2894 sbp_free_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 2895 { 2896 ocb->flags = 0; 2897 ocb->ccb = NULL; 2898 2899 SBP_LOCK(sdev->target->sbp); 2900 STAILQ_INSERT_TAIL(&sdev->free_ocbs, ocb, ocb); 2901 if ((sdev->flags & ORB_SHORTAGE) != 0) { 2902 int count; 2903 2904 sdev->flags &= ~ORB_SHORTAGE; 2905 count = sdev->freeze; 2906 sdev->freeze = 0; 2907 xpt_release_devq(sdev->path, count, TRUE); 2908 } 2909 SBP_UNLOCK(sdev->target->sbp); 2910 } 2911 2912 static void 2913 sbp_abort_ocb(struct sbp_ocb *ocb, int status) 2914 { 2915 struct sbp_dev *sdev; 2916 2917 sdev = ocb->sdev; 2918 SBP_DEBUG(0) 2919 device_printf(sdev->target->sbp->fd.dev, 2920 #if defined(__DragonFly__) || __FreeBSD_version < 500000 2921 "%s:%s 0x%x\n", __func__, sdev->bustgtlun, ocb->bus_addr); 2922 #else 2923 "%s:%s 0x%jx\n", __func__, sdev->bustgtlun, (uintmax_t)ocb->bus_addr); 2924 #endif 2925 END_DEBUG 2926 SBP_DEBUG(1) 2927 if (ocb->ccb != NULL) 2928 sbp_print_scsi_cmd(ocb); 2929 END_DEBUG 2930 if (ntohl(ocb->orb[4]) & 0xffff) { 2931 bus_dmamap_sync(sdev->target->sbp->dmat, ocb->dmamap, 2932 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2933 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 2934 bus_dmamap_unload(sdev->target->sbp->dmat, ocb->dmamap); 2935 } 2936 if (ocb->ccb != NULL) { 2937 untimeout(sbp_timeout, (caddr_t)ocb, 2938 ocb->timeout_ch); 2939 ocb->ccb->ccb_h.status = status; 2940 SBP_LOCK(sdev->target->sbp); 2941 xpt_done(ocb->ccb); 2942 SBP_UNLOCK(sdev->target->sbp); 2943 } 2944 sbp_free_ocb(sdev, ocb); 2945 } 2946 2947 static void 2948 sbp_abort_all_ocbs(struct sbp_dev *sdev, int status) 2949 { 2950 int s; 2951 struct sbp_ocb *ocb, *next; 2952 STAILQ_HEAD(, sbp_ocb) temp; 2953 2954 s = splfw(); 2955 2956 STAILQ_INIT(&temp); 2957 SBP_LOCK(sdev->target->sbp); 2958 STAILQ_CONCAT(&temp, &sdev->ocbs); 2959 STAILQ_INIT(&sdev->ocbs); 2960 SBP_UNLOCK(sdev->target->sbp); 2961 2962 for (ocb = STAILQ_FIRST(&temp); ocb != NULL; ocb = next) { 2963 next = STAILQ_NEXT(ocb, ocb); 2964 sbp_abort_ocb(ocb, status); 2965 } 2966 if (sdev->last_ocb != NULL) { 2967 sbp_free_ocb(sdev, sdev->last_ocb); 2968 sdev->last_ocb = NULL; 2969 } 2970 2971 splx(s); 2972 } 2973 2974 static devclass_t sbp_devclass; 2975 2976 static device_method_t sbp_methods[] = { 2977 /* device interface */ 2978 DEVMETHOD(device_identify, sbp_identify), 2979 DEVMETHOD(device_probe, sbp_probe), 2980 DEVMETHOD(device_attach, sbp_attach), 2981 DEVMETHOD(device_detach, sbp_detach), 2982 DEVMETHOD(device_shutdown, sbp_shutdown), 2983 2984 { 0, 0 } 2985 }; 2986 2987 static driver_t sbp_driver = { 2988 "sbp", 2989 sbp_methods, 2990 sizeof(struct sbp_softc), 2991 }; 2992 #ifdef __DragonFly__ 2993 DECLARE_DUMMY_MODULE(sbp); 2994 #endif 2995 DRIVER_MODULE(sbp, firewire, sbp_driver, sbp_devclass, 0, 0); 2996 MODULE_VERSION(sbp, 1); 2997 MODULE_DEPEND(sbp, firewire, 1, 1, 1); 2998 MODULE_DEPEND(sbp, cam, 1, 1, 1); 2999