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