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:%d 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, ocb->ccb->ccb_h.target_lun, 1502 csio->cdb_io.cdb_bytes[0], 1503 csio->cdb_io.cdb_bytes[1], 1504 csio->cdb_io.cdb_bytes[2], 1505 csio->cdb_io.cdb_bytes[3], 1506 csio->cdb_io.cdb_bytes[4], 1507 csio->cdb_io.cdb_bytes[5], 1508 csio->cdb_io.cdb_bytes[6], 1509 csio->cdb_io.cdb_bytes[7], 1510 csio->cdb_io.cdb_bytes[8], 1511 csio->cdb_io.cdb_bytes[9], 1512 ocb->ccb->ccb_h.flags & CAM_DIR_MASK, 1513 csio->cdb_len, csio->dxfer_len, 1514 csio->sense_len); 1515 } 1516 1517 static void 1518 sbp_scsi_status(struct sbp_status *sbp_status, struct sbp_ocb *ocb) 1519 { 1520 struct sbp_cmd_status *sbp_cmd_status; 1521 struct scsi_sense_data_fixed *sense; 1522 1523 sbp_cmd_status = (struct sbp_cmd_status *)sbp_status->data; 1524 sense = (struct scsi_sense_data_fixed *)&ocb->ccb->csio.sense_data; 1525 1526 SBP_DEBUG(0) 1527 sbp_print_scsi_cmd(ocb); 1528 /* XXX need decode status */ 1529 printf("%s: SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d\n", 1530 ocb->sdev->bustgtlun, 1531 sbp_cmd_status->status, 1532 sbp_cmd_status->sfmt, 1533 sbp_cmd_status->valid, 1534 sbp_cmd_status->s_key, 1535 sbp_cmd_status->s_code, 1536 sbp_cmd_status->s_qlfr, 1537 sbp_status->len); 1538 END_DEBUG 1539 1540 switch (sbp_cmd_status->status) { 1541 case SCSI_STATUS_CHECK_COND: 1542 case SCSI_STATUS_BUSY: 1543 case SCSI_STATUS_CMD_TERMINATED: 1544 if(sbp_cmd_status->sfmt == SBP_SFMT_CURR){ 1545 sense->error_code = SSD_CURRENT_ERROR; 1546 }else{ 1547 sense->error_code = SSD_DEFERRED_ERROR; 1548 } 1549 if(sbp_cmd_status->valid) 1550 sense->error_code |= SSD_ERRCODE_VALID; 1551 sense->flags = sbp_cmd_status->s_key; 1552 if(sbp_cmd_status->mark) 1553 sense->flags |= SSD_FILEMARK; 1554 if(sbp_cmd_status->eom) 1555 sense->flags |= SSD_EOM; 1556 if(sbp_cmd_status->ill_len) 1557 sense->flags |= SSD_ILI; 1558 1559 bcopy(&sbp_cmd_status->info, &sense->info[0], 4); 1560 1561 if (sbp_status->len <= 1) 1562 /* XXX not scsi status. shouldn't be happened */ 1563 sense->extra_len = 0; 1564 else if (sbp_status->len <= 4) 1565 /* add_sense_code(_qual), info, cmd_spec_info */ 1566 sense->extra_len = 6; 1567 else 1568 /* fru, sense_key_spec */ 1569 sense->extra_len = 10; 1570 1571 bcopy(&sbp_cmd_status->cdb, &sense->cmd_spec_info[0], 4); 1572 1573 sense->add_sense_code = sbp_cmd_status->s_code; 1574 sense->add_sense_code_qual = sbp_cmd_status->s_qlfr; 1575 sense->fru = sbp_cmd_status->fru; 1576 1577 bcopy(&sbp_cmd_status->s_keydep[0], 1578 &sense->sense_key_spec[0], 3); 1579 1580 ocb->ccb->csio.scsi_status = sbp_cmd_status->status; 1581 ocb->ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR 1582 | CAM_AUTOSNS_VALID; 1583 /* 1584 { 1585 uint8_t j, *tmp; 1586 tmp = sense; 1587 for( j = 0 ; j < 32 ; j+=8){ 1588 printf("sense %02x%02x %02x%02x %02x%02x %02x%02x\n", 1589 tmp[j], tmp[j+1], tmp[j+2], tmp[j+3], 1590 tmp[j+4], tmp[j+5], tmp[j+6], tmp[j+7]); 1591 } 1592 1593 } 1594 */ 1595 break; 1596 default: 1597 device_printf(ocb->sdev->target->sbp->fd.dev, 1598 "%s:%s unknown scsi status 0x%x\n", 1599 __func__, ocb->sdev->bustgtlun, 1600 sbp_cmd_status->status); 1601 } 1602 } 1603 1604 static void 1605 sbp_fix_inq_data(struct sbp_ocb *ocb) 1606 { 1607 union ccb *ccb; 1608 struct sbp_dev *sdev; 1609 struct scsi_inquiry_data *inq; 1610 1611 ccb = ocb->ccb; 1612 sdev = ocb->sdev; 1613 1614 if (ccb->csio.cdb_io.cdb_bytes[1] & SI_EVPD) 1615 return; 1616 SBP_DEBUG(1) 1617 device_printf(sdev->target->sbp->fd.dev, 1618 "%s:%s\n", __func__, sdev->bustgtlun); 1619 END_DEBUG 1620 inq = (struct scsi_inquiry_data *) ccb->csio.data_ptr; 1621 switch (SID_TYPE(inq)) { 1622 case T_DIRECT: 1623 #if 0 1624 /* 1625 * XXX Convert Direct Access device to RBC. 1626 * I've never seen FireWire DA devices which support READ_6. 1627 */ 1628 if (SID_TYPE(inq) == T_DIRECT) 1629 inq->device |= T_RBC; /* T_DIRECT == 0 */ 1630 #endif 1631 /* fall through */ 1632 case T_RBC: 1633 /* 1634 * Override vendor/product/revision information. 1635 * Some devices sometimes return strange strings. 1636 */ 1637 #if 1 1638 bcopy(sdev->vendor, inq->vendor, sizeof(inq->vendor)); 1639 bcopy(sdev->product, inq->product, sizeof(inq->product)); 1640 bcopy(sdev->revision+2, inq->revision, sizeof(inq->revision)); 1641 #endif 1642 break; 1643 } 1644 /* 1645 * Force to enable/disable tagged queuing. 1646 * XXX CAM also checks SCP_QUEUE_DQUE flag in the control mode page. 1647 */ 1648 if (sbp_tags > 0) 1649 inq->flags |= SID_CmdQue; 1650 else if (sbp_tags < 0) 1651 inq->flags &= ~SID_CmdQue; 1652 1653 } 1654 1655 static void 1656 sbp_recv1(struct fw_xfer *xfer) 1657 { 1658 struct fw_pkt *rfp; 1659 #if NEED_RESPONSE 1660 struct fw_pkt *sfp; 1661 #endif 1662 struct sbp_softc *sbp; 1663 struct sbp_dev *sdev; 1664 struct sbp_ocb *ocb; 1665 struct sbp_login_res *login_res = NULL; 1666 struct sbp_status *sbp_status; 1667 struct sbp_target *target; 1668 int orb_fun, status_valid0, status_valid, t, l, reset_agent = 0; 1669 uint32_t addr; 1670 /* 1671 uint32_t *ld; 1672 ld = xfer->recv.buf; 1673 printf("sbp %x %d %d %08x %08x %08x %08x\n", 1674 xfer->resp, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3])); 1675 printf("sbp %08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 1676 printf("sbp %08x %08x %08x %08x\n", ntohl(ld[8]), ntohl(ld[9]), ntohl(ld[10]), ntohl(ld[11])); 1677 */ 1678 sbp = (struct sbp_softc *)xfer->sc; 1679 if (xfer->resp != 0){ 1680 printf("sbp_recv: xfer->resp = %d\n", xfer->resp); 1681 goto done0; 1682 } 1683 if (xfer->recv.payload == NULL){ 1684 printf("sbp_recv: xfer->recv.payload == NULL\n"); 1685 goto done0; 1686 } 1687 rfp = &xfer->recv.hdr; 1688 if(rfp->mode.wreqb.tcode != FWTCODE_WREQB){ 1689 printf("sbp_recv: tcode = %d\n", rfp->mode.wreqb.tcode); 1690 goto done0; 1691 } 1692 sbp_status = (struct sbp_status *)xfer->recv.payload; 1693 addr = rfp->mode.wreqb.dest_lo; 1694 SBP_DEBUG(2) 1695 printf("received address 0x%x\n", addr); 1696 END_DEBUG 1697 t = SBP_ADDR2TRG(addr); 1698 if (t >= SBP_NUM_TARGETS) { 1699 device_printf(sbp->fd.dev, 1700 "sbp_recv1: invalid target %d\n", t); 1701 goto done0; 1702 } 1703 target = &sbp->targets[t]; 1704 l = SBP_ADDR2LUN(addr); 1705 if (l >= target->num_lun || target->luns[l] == NULL) { 1706 device_printf(sbp->fd.dev, 1707 "sbp_recv1: invalid lun %d (target=%d)\n", l, t); 1708 goto done0; 1709 } 1710 sdev = target->luns[l]; 1711 1712 ocb = NULL; 1713 switch (sbp_status->src) { 1714 case 0: 1715 case 1: 1716 /* check mgm_ocb_cur first */ 1717 ocb = target->mgm_ocb_cur; 1718 if (ocb != NULL) { 1719 if (OCB_MATCH(ocb, sbp_status)) { 1720 callout_stop(&target->mgm_ocb_timeout); 1721 target->mgm_ocb_cur = NULL; 1722 break; 1723 } 1724 } 1725 ocb = sbp_dequeue_ocb(sdev, sbp_status); 1726 if (ocb == NULL) { 1727 device_printf(sdev->target->sbp->fd.dev, 1728 #if defined(__DragonFly__) || __FreeBSD_version < 500000 1729 "%s:%s No ocb(%lx) on the queue\n", 1730 #else 1731 "%s:%s No ocb(%x) on the queue\n", 1732 #endif 1733 __func__,sdev->bustgtlun, 1734 ntohl(sbp_status->orb_lo)); 1735 } 1736 break; 1737 case 2: 1738 /* unsolicit */ 1739 device_printf(sdev->target->sbp->fd.dev, 1740 "%s:%s unsolicit status received\n", 1741 __func__, sdev->bustgtlun); 1742 break; 1743 default: 1744 device_printf(sdev->target->sbp->fd.dev, 1745 "%s:%s unknown sbp_status->src\n", 1746 __func__, sdev->bustgtlun); 1747 } 1748 1749 status_valid0 = (sbp_status->src < 2 1750 && sbp_status->resp == ORB_RES_CMPL 1751 && sbp_status->dead == 0); 1752 status_valid = (status_valid0 && sbp_status->status == 0); 1753 1754 if (!status_valid0 || debug > 2){ 1755 int status; 1756 SBP_DEBUG(0) 1757 device_printf(sdev->target->sbp->fd.dev, 1758 "%s:%s ORB status src:%x resp:%x dead:%x" 1759 #if defined(__DragonFly__) || __FreeBSD_version < 500000 1760 " len:%x stat:%x orb:%x%08lx\n", 1761 #else 1762 " len:%x stat:%x orb:%x%08x\n", 1763 #endif 1764 __func__, sdev->bustgtlun, 1765 sbp_status->src, sbp_status->resp, sbp_status->dead, 1766 sbp_status->len, sbp_status->status, 1767 ntohs(sbp_status->orb_hi), ntohl(sbp_status->orb_lo)); 1768 END_DEBUG 1769 device_printf(sdev->target->sbp->fd.dev, 1770 "%s\n", sdev->bustgtlun); 1771 status = sbp_status->status; 1772 switch(sbp_status->resp) { 1773 case 0: 1774 if (status > MAX_ORB_STATUS0) 1775 printf("%s\n", orb_status0[MAX_ORB_STATUS0]); 1776 else 1777 printf("%s\n", orb_status0[status]); 1778 break; 1779 case 1: 1780 printf("Obj: %s, Error: %s\n", 1781 orb_status1_object[(status>>6) & 3], 1782 orb_status1_serial_bus_error[status & 0xf]); 1783 break; 1784 case 2: 1785 printf("Illegal request\n"); 1786 break; 1787 case 3: 1788 printf("Vendor dependent\n"); 1789 break; 1790 default: 1791 printf("unknown respose code %d\n", sbp_status->resp); 1792 } 1793 } 1794 1795 /* we have to reset the fetch agent if it's dead */ 1796 if (sbp_status->dead) { 1797 if (sdev->path) { 1798 SBP_LOCK(sbp); 1799 xpt_freeze_devq(sdev->path, 1); 1800 sdev->freeze ++; 1801 SBP_UNLOCK(sbp); 1802 } 1803 reset_agent = 1; 1804 } 1805 1806 if (ocb == NULL) 1807 goto done; 1808 1809 switch(ntohl(ocb->orb[4]) & ORB_FMT_MSK){ 1810 case ORB_FMT_NOP: 1811 break; 1812 case ORB_FMT_VED: 1813 break; 1814 case ORB_FMT_STD: 1815 switch(ocb->flags) { 1816 case OCB_ACT_MGM: 1817 orb_fun = ntohl(ocb->orb[4]) & ORB_FUN_MSK; 1818 reset_agent = 0; 1819 switch(orb_fun) { 1820 case ORB_FUN_LGI: 1821 fwdma_sync(&sdev->dma, BUS_DMASYNC_POSTREAD); 1822 login_res = sdev->login; 1823 login_res->len = ntohs(login_res->len); 1824 login_res->id = ntohs(login_res->id); 1825 login_res->cmd_hi = ntohs(login_res->cmd_hi); 1826 login_res->cmd_lo = ntohl(login_res->cmd_lo); 1827 if (status_valid) { 1828 SBP_DEBUG(0) 1829 device_printf(sdev->target->sbp->fd.dev, 1830 "%s:%s login: len %d, ID %d, cmd %08x%08x, recon_hold %d\n", 1831 __func__, sdev->bustgtlun, 1832 login_res->len, login_res->id, 1833 login_res->cmd_hi, login_res->cmd_lo, 1834 ntohs(login_res->recon_hold)); 1835 END_DEBUG 1836 sbp_busy_timeout(sdev); 1837 } else { 1838 /* forgot logout? */ 1839 device_printf(sdev->target->sbp->fd.dev, 1840 "%s:%s login failed\n", 1841 __func__, sdev->bustgtlun); 1842 sdev->status = SBP_DEV_RESET; 1843 } 1844 break; 1845 case ORB_FUN_RCN: 1846 login_res = sdev->login; 1847 if (status_valid) { 1848 SBP_DEBUG(0) 1849 device_printf(sdev->target->sbp->fd.dev, 1850 "%s:%s reconnect: len %d, ID %d, cmd %08x%08x\n", 1851 __func__, sdev->bustgtlun, 1852 login_res->len, login_res->id, 1853 login_res->cmd_hi, login_res->cmd_lo); 1854 END_DEBUG 1855 if (sdev->status == SBP_DEV_ATTACHED) 1856 sbp_scan_dev(sdev); 1857 else 1858 sbp_agent_reset(sdev); 1859 } else { 1860 /* reconnection hold time exceed? */ 1861 SBP_DEBUG(0) 1862 device_printf(sdev->target->sbp->fd.dev, 1863 "%s:%s reconnect failed\n", 1864 __func__, sdev->bustgtlun); 1865 END_DEBUG 1866 sbp_login(sdev); 1867 } 1868 break; 1869 case ORB_FUN_LGO: 1870 sdev->status = SBP_DEV_RESET; 1871 break; 1872 case ORB_FUN_RST: 1873 sbp_busy_timeout(sdev); 1874 break; 1875 case ORB_FUN_LUR: 1876 case ORB_FUN_ATA: 1877 case ORB_FUN_ATS: 1878 sbp_agent_reset(sdev); 1879 break; 1880 default: 1881 device_printf(sdev->target->sbp->fd.dev, 1882 "%s:%s unknown function %d\n", 1883 __func__, sdev->bustgtlun, orb_fun); 1884 break; 1885 } 1886 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 1887 break; 1888 case OCB_ACT_CMD: 1889 sdev->timeout = 0; 1890 if(ocb->ccb != NULL){ 1891 union ccb *ccb; 1892 1893 ccb = ocb->ccb; 1894 if(sbp_status->len > 1){ 1895 sbp_scsi_status(sbp_status, ocb); 1896 }else{ 1897 if(sbp_status->resp != ORB_RES_CMPL){ 1898 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1899 }else{ 1900 ccb->ccb_h.status = CAM_REQ_CMP; 1901 } 1902 } 1903 /* fix up inq data */ 1904 if (ccb->csio.cdb_io.cdb_bytes[0] == INQUIRY) 1905 sbp_fix_inq_data(ocb); 1906 SBP_LOCK(sbp); 1907 xpt_done(ccb); 1908 SBP_UNLOCK(sbp); 1909 } 1910 break; 1911 default: 1912 break; 1913 } 1914 } 1915 1916 if (!use_doorbell) 1917 sbp_free_ocb(sdev, ocb); 1918 done: 1919 if (reset_agent) 1920 sbp_agent_reset(sdev); 1921 1922 done0: 1923 xfer->recv.pay_len = SBP_RECV_LEN; 1924 /* The received packet is usually small enough to be stored within 1925 * the buffer. In that case, the controller return ack_complete and 1926 * no respose is necessary. 1927 * 1928 * XXX fwohci.c and firewire.c should inform event_code such as 1929 * ack_complete or ack_pending to upper driver. 1930 */ 1931 #if NEED_RESPONSE 1932 xfer->send.off = 0; 1933 sfp = (struct fw_pkt *)xfer->send.buf; 1934 sfp->mode.wres.dst = rfp->mode.wreqb.src; 1935 xfer->dst = sfp->mode.wres.dst; 1936 xfer->spd = min(sdev->target->fwdev->speed, max_speed); 1937 xfer->hand = sbp_loginres_callback; 1938 1939 sfp->mode.wres.tlrt = rfp->mode.wreqb.tlrt; 1940 sfp->mode.wres.tcode = FWTCODE_WRES; 1941 sfp->mode.wres.rtcode = 0; 1942 sfp->mode.wres.pri = 0; 1943 1944 fw_asyreq(xfer->fc, -1, xfer); 1945 #else 1946 /* recycle */ 1947 /* we don't need a lock here because bottom half is serialized */ 1948 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link); 1949 #endif 1950 1951 return; 1952 1953 } 1954 1955 static void 1956 sbp_recv(struct fw_xfer *xfer) 1957 { 1958 int s; 1959 1960 s = splcam(); 1961 sbp_recv1(xfer); 1962 splx(s); 1963 } 1964 /* 1965 * sbp_attach() 1966 */ 1967 static int 1968 sbp_attach(device_t dev) 1969 { 1970 struct sbp_softc *sbp; 1971 struct cam_devq *devq; 1972 struct firewire_comm *fc; 1973 int i, s, error; 1974 1975 if (DFLTPHYS > SBP_MAXPHYS) 1976 device_printf(dev, "Warning, DFLTPHYS(%dKB) is larger than " 1977 "SBP_MAXPHYS(%dKB).\n", DFLTPHYS / 1024, 1978 SBP_MAXPHYS / 1024); 1979 1980 if (!firewire_phydma_enable) 1981 device_printf(dev, "Warning, hw.firewire.phydma_enable must be 1 " 1982 "for SBP over FireWire.\n"); 1983 SBP_DEBUG(0) 1984 printf("sbp_attach (cold=%d)\n", cold); 1985 END_DEBUG 1986 1987 if (cold) 1988 sbp_cold ++; 1989 sbp = ((struct sbp_softc *)device_get_softc(dev)); 1990 bzero(sbp, sizeof(struct sbp_softc)); 1991 sbp->fd.dev = dev; 1992 sbp->fd.fc = fc = device_get_ivars(dev); 1993 mtx_init(&sbp->mtx, "sbp", NULL, MTX_DEF); 1994 1995 if (max_speed < 0) 1996 max_speed = fc->speed; 1997 1998 error = bus_dma_tag_create(/*parent*/fc->dmat, 1999 /* XXX shoud be 4 for sane backend? */ 2000 /*alignment*/1, 2001 /*boundary*/0, 2002 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, 2003 /*highaddr*/BUS_SPACE_MAXADDR, 2004 /*filter*/NULL, /*filterarg*/NULL, 2005 /*maxsize*/0x100000, /*nsegments*/SBP_IND_MAX, 2006 /*maxsegsz*/SBP_SEG_MAX, 2007 /*flags*/BUS_DMA_ALLOCNOW, 2008 #if defined(__FreeBSD__) && __FreeBSD_version >= 501102 2009 /*lockfunc*/busdma_lock_mutex, 2010 /*lockarg*/&sbp->mtx, 2011 #endif 2012 &sbp->dmat); 2013 if (error != 0) { 2014 printf("sbp_attach: Could not allocate DMA tag " 2015 "- error %d\n", error); 2016 return (ENOMEM); 2017 } 2018 2019 devq = cam_simq_alloc(/*maxopenings*/SBP_NUM_OCB); 2020 if (devq == NULL) 2021 return (ENXIO); 2022 2023 for( i = 0 ; i < SBP_NUM_TARGETS ; i++){ 2024 sbp->targets[i].fwdev = NULL; 2025 sbp->targets[i].luns = NULL; 2026 } 2027 2028 sbp->sim = cam_sim_alloc(sbp_action, sbp_poll, "sbp", sbp, 2029 device_get_unit(dev), 2030 &sbp->mtx, 2031 /*untagged*/ 1, 2032 /*tagged*/ SBP_QUEUE_LEN - 1, 2033 devq); 2034 2035 if (sbp->sim == NULL) { 2036 cam_simq_free(devq); 2037 return (ENXIO); 2038 } 2039 2040 SBP_LOCK(sbp); 2041 if (xpt_bus_register(sbp->sim, dev, /*bus*/0) != CAM_SUCCESS) 2042 goto fail; 2043 2044 if (xpt_create_path(&sbp->path, NULL, cam_sim_path(sbp->sim), 2045 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 2046 xpt_bus_deregister(cam_sim_path(sbp->sim)); 2047 goto fail; 2048 } 2049 SBP_UNLOCK(sbp); 2050 2051 /* We reserve 16 bit space (4 bytes X 64 targets X 256 luns) */ 2052 sbp->fwb.start = ((u_int64_t)SBP_BIND_HI << 32) | SBP_DEV2ADDR(0, 0); 2053 sbp->fwb.end = sbp->fwb.start + 0xffff; 2054 /* pre-allocate xfer */ 2055 STAILQ_INIT(&sbp->fwb.xferlist); 2056 fw_xferlist_add(&sbp->fwb.xferlist, M_SBP, 2057 /*send*/ 0, /*recv*/ SBP_RECV_LEN, SBP_NUM_OCB/2, 2058 fc, (void *)sbp, sbp_recv); 2059 2060 fw_bindadd(fc, &sbp->fwb); 2061 2062 sbp->fd.post_busreset = sbp_post_busreset; 2063 sbp->fd.post_explore = sbp_post_explore; 2064 2065 if (fc->status != -1) { 2066 s = splfw(); 2067 sbp_post_busreset((void *)sbp); 2068 sbp_post_explore((void *)sbp); 2069 splx(s); 2070 } 2071 SBP_LOCK(sbp); 2072 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL); 2073 SBP_UNLOCK(sbp); 2074 2075 return (0); 2076 fail: 2077 SBP_UNLOCK(sbp); 2078 cam_sim_free(sbp->sim, /*free_devq*/TRUE); 2079 return (ENXIO); 2080 } 2081 2082 static int 2083 sbp_logout_all(struct sbp_softc *sbp) 2084 { 2085 struct sbp_target *target; 2086 struct sbp_dev *sdev; 2087 int i, j; 2088 2089 SBP_DEBUG(0) 2090 printf("sbp_logout_all\n"); 2091 END_DEBUG 2092 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) { 2093 target = &sbp->targets[i]; 2094 if (target->luns == NULL) 2095 continue; 2096 for (j = 0; j < target->num_lun; j++) { 2097 sdev = target->luns[j]; 2098 if (sdev == NULL) 2099 continue; 2100 callout_stop(&sdev->login_callout); 2101 if (sdev->status >= SBP_DEV_TOATTACH && 2102 sdev->status <= SBP_DEV_ATTACHED) 2103 sbp_mgm_orb(sdev, ORB_FUN_LGO, NULL); 2104 } 2105 } 2106 2107 return 0; 2108 } 2109 2110 static int 2111 sbp_shutdown(device_t dev) 2112 { 2113 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 2114 2115 sbp_logout_all(sbp); 2116 return (0); 2117 } 2118 2119 static void 2120 sbp_free_sdev(struct sbp_dev *sdev) 2121 { 2122 int i; 2123 2124 if (sdev == NULL) 2125 return; 2126 for (i = 0; i < SBP_QUEUE_LEN; i++) 2127 bus_dmamap_destroy(sdev->target->sbp->dmat, 2128 sdev->ocb[i].dmamap); 2129 fwdma_free(sdev->target->sbp->fd.fc, &sdev->dma); 2130 free(sdev, M_SBP); 2131 sdev = NULL; 2132 } 2133 2134 static void 2135 sbp_free_target(struct sbp_target *target) 2136 { 2137 struct sbp_softc *sbp; 2138 struct fw_xfer *xfer, *next; 2139 int i; 2140 2141 if (target->luns == NULL) 2142 return; 2143 callout_stop(&target->mgm_ocb_timeout); 2144 sbp = target->sbp; 2145 for (i = 0; i < target->num_lun; i++) 2146 sbp_free_sdev(target->luns[i]); 2147 2148 for (xfer = STAILQ_FIRST(&target->xferlist); 2149 xfer != NULL; xfer = next) { 2150 next = STAILQ_NEXT(xfer, link); 2151 fw_xfer_free_buf(xfer); 2152 } 2153 STAILQ_INIT(&target->xferlist); 2154 free(target->luns, M_SBP); 2155 target->num_lun = 0; 2156 target->luns = NULL; 2157 target->fwdev = NULL; 2158 } 2159 2160 static int 2161 sbp_detach(device_t dev) 2162 { 2163 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 2164 struct firewire_comm *fc = sbp->fd.fc; 2165 int i; 2166 2167 SBP_DEBUG(0) 2168 printf("sbp_detach\n"); 2169 END_DEBUG 2170 2171 for (i = 0; i < SBP_NUM_TARGETS; i ++) 2172 sbp_cam_detach_target(&sbp->targets[i]); 2173 2174 SBP_LOCK(sbp); 2175 xpt_async(AC_LOST_DEVICE, sbp->path, NULL); 2176 xpt_free_path(sbp->path); 2177 xpt_bus_deregister(cam_sim_path(sbp->sim)); 2178 cam_sim_free(sbp->sim, /*free_devq*/ TRUE); 2179 SBP_UNLOCK(sbp); 2180 2181 sbp_logout_all(sbp); 2182 2183 /* XXX wait for logout completion */ 2184 pause("sbpdtc", hz/2); 2185 2186 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) 2187 sbp_free_target(&sbp->targets[i]); 2188 2189 fw_bindremove(fc, &sbp->fwb); 2190 fw_xferlist_remove(&sbp->fwb.xferlist); 2191 2192 bus_dma_tag_destroy(sbp->dmat); 2193 mtx_destroy(&sbp->mtx); 2194 2195 return (0); 2196 } 2197 2198 static void 2199 sbp_cam_detach_sdev(struct sbp_dev *sdev) 2200 { 2201 if (sdev == NULL) 2202 return; 2203 if (sdev->status == SBP_DEV_DEAD) 2204 return; 2205 if (sdev->status == SBP_DEV_RESET) 2206 return; 2207 sbp_abort_all_ocbs(sdev, CAM_DEV_NOT_THERE); 2208 if (sdev->path) { 2209 SBP_LOCK(sdev->target->sbp); 2210 xpt_release_devq(sdev->path, 2211 sdev->freeze, TRUE); 2212 sdev->freeze = 0; 2213 xpt_async(AC_LOST_DEVICE, sdev->path, NULL); 2214 xpt_free_path(sdev->path); 2215 sdev->path = NULL; 2216 SBP_UNLOCK(sdev->target->sbp); 2217 } 2218 } 2219 2220 static void 2221 sbp_cam_detach_target(struct sbp_target *target) 2222 { 2223 int i; 2224 2225 if (target->luns != NULL) { 2226 SBP_DEBUG(0) 2227 printf("sbp_detach_target %d\n", target->target_id); 2228 END_DEBUG 2229 callout_stop(&target->scan_callout); 2230 for (i = 0; i < target->num_lun; i++) 2231 sbp_cam_detach_sdev(target->luns[i]); 2232 } 2233 } 2234 2235 static void 2236 sbp_target_reset(struct sbp_dev *sdev, int method) 2237 { 2238 int i; 2239 struct sbp_target *target = sdev->target; 2240 struct sbp_dev *tsdev; 2241 2242 for (i = 0; i < target->num_lun; i++) { 2243 tsdev = target->luns[i]; 2244 if (tsdev == NULL) 2245 continue; 2246 if (tsdev->status == SBP_DEV_DEAD) 2247 continue; 2248 if (tsdev->status == SBP_DEV_RESET) 2249 continue; 2250 SBP_LOCK(target->sbp); 2251 xpt_freeze_devq(tsdev->path, 1); 2252 tsdev->freeze ++; 2253 SBP_UNLOCK(target->sbp); 2254 sbp_abort_all_ocbs(tsdev, CAM_CMD_TIMEOUT); 2255 if (method == 2) 2256 tsdev->status = SBP_DEV_LOGIN; 2257 } 2258 switch(method) { 2259 case 1: 2260 printf("target reset\n"); 2261 sbp_mgm_orb(sdev, ORB_FUN_RST, NULL); 2262 break; 2263 case 2: 2264 printf("reset start\n"); 2265 sbp_reset_start(sdev); 2266 break; 2267 } 2268 2269 } 2270 2271 static void 2272 sbp_mgm_timeout(void *arg) 2273 { 2274 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 2275 struct sbp_dev *sdev = ocb->sdev; 2276 struct sbp_target *target = sdev->target; 2277 2278 device_printf(sdev->target->sbp->fd.dev, 2279 "%s:%s request timeout(mgm orb:0x%08x)\n", 2280 __func__, sdev->bustgtlun, (uint32_t)ocb->bus_addr); 2281 target->mgm_ocb_cur = NULL; 2282 sbp_free_ocb(sdev, ocb); 2283 #if 0 2284 /* XXX */ 2285 printf("run next request\n"); 2286 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 2287 #endif 2288 device_printf(sdev->target->sbp->fd.dev, 2289 "%s:%s reset start\n", 2290 __func__, sdev->bustgtlun); 2291 sbp_reset_start(sdev); 2292 } 2293 2294 static void 2295 sbp_timeout(void *arg) 2296 { 2297 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 2298 struct sbp_dev *sdev = ocb->sdev; 2299 2300 device_printf(sdev->target->sbp->fd.dev, 2301 "%s:%s request timeout(cmd orb:0x%08x) ... ", 2302 __func__, sdev->bustgtlun, (uint32_t)ocb->bus_addr); 2303 2304 sdev->timeout ++; 2305 switch(sdev->timeout) { 2306 case 1: 2307 printf("agent reset\n"); 2308 SBP_LOCK(sdev->target->sbp); 2309 xpt_freeze_devq(sdev->path, 1); 2310 sdev->freeze ++; 2311 SBP_UNLOCK(sdev->target->sbp); 2312 sbp_abort_all_ocbs(sdev, CAM_CMD_TIMEOUT); 2313 sbp_agent_reset(sdev); 2314 break; 2315 case 2: 2316 case 3: 2317 sbp_target_reset(sdev, sdev->timeout - 1); 2318 break; 2319 #if 0 2320 default: 2321 /* XXX give up */ 2322 sbp_cam_detach_target(target); 2323 if (target->luns != NULL) 2324 free(target->luns, M_SBP); 2325 target->num_lun = 0; 2326 target->luns = NULL; 2327 target->fwdev = NULL; 2328 #endif 2329 } 2330 } 2331 2332 static void 2333 sbp_action1(struct cam_sim *sim, union ccb *ccb) 2334 { 2335 2336 struct sbp_softc *sbp = (struct sbp_softc *)sim->softc; 2337 struct sbp_target *target = NULL; 2338 struct sbp_dev *sdev = NULL; 2339 2340 /* target:lun -> sdev mapping */ 2341 if (sbp != NULL 2342 && ccb->ccb_h.target_id != CAM_TARGET_WILDCARD 2343 && ccb->ccb_h.target_id < SBP_NUM_TARGETS) { 2344 target = &sbp->targets[ccb->ccb_h.target_id]; 2345 if (target->fwdev != NULL 2346 && ccb->ccb_h.target_lun != CAM_LUN_WILDCARD 2347 && ccb->ccb_h.target_lun < target->num_lun) { 2348 sdev = target->luns[ccb->ccb_h.target_lun]; 2349 if (sdev != NULL && sdev->status != SBP_DEV_ATTACHED && 2350 sdev->status != SBP_DEV_PROBE) 2351 sdev = NULL; 2352 } 2353 } 2354 2355 SBP_DEBUG(1) 2356 if (sdev == NULL) 2357 printf("invalid target %d lun %d\n", 2358 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2359 END_DEBUG 2360 2361 switch (ccb->ccb_h.func_code) { 2362 case XPT_SCSI_IO: 2363 case XPT_RESET_DEV: 2364 case XPT_GET_TRAN_SETTINGS: 2365 case XPT_SET_TRAN_SETTINGS: 2366 case XPT_CALC_GEOMETRY: 2367 if (sdev == NULL) { 2368 SBP_DEBUG(1) 2369 printf("%s:%d:%d:func_code 0x%04x: " 2370 "Invalid target (target needed)\n", 2371 device_get_nameunit(sbp->fd.dev), 2372 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2373 ccb->ccb_h.func_code); 2374 END_DEBUG 2375 2376 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2377 xpt_done(ccb); 2378 return; 2379 } 2380 break; 2381 case XPT_PATH_INQ: 2382 case XPT_NOOP: 2383 /* The opcodes sometimes aimed at a target (sc is valid), 2384 * sometimes aimed at the SIM (sc is invalid and target is 2385 * CAM_TARGET_WILDCARD) 2386 */ 2387 if (sbp == NULL && 2388 ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) { 2389 SBP_DEBUG(0) 2390 printf("%s:%d:%d func_code 0x%04x: " 2391 "Invalid target (no wildcard)\n", 2392 device_get_nameunit(sbp->fd.dev), 2393 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2394 ccb->ccb_h.func_code); 2395 END_DEBUG 2396 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2397 xpt_done(ccb); 2398 return; 2399 } 2400 break; 2401 default: 2402 /* XXX Hm, we should check the input parameters */ 2403 break; 2404 } 2405 2406 switch (ccb->ccb_h.func_code) { 2407 case XPT_SCSI_IO: 2408 { 2409 struct ccb_scsiio *csio; 2410 struct sbp_ocb *ocb; 2411 int speed; 2412 void *cdb; 2413 2414 csio = &ccb->csio; 2415 mtx_assert(sim->mtx, MA_OWNED); 2416 2417 SBP_DEBUG(2) 2418 printf("%s:%d:%d XPT_SCSI_IO: " 2419 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 2420 ", flags: 0x%02x, " 2421 "%db cmd/%db data/%db sense\n", 2422 device_get_nameunit(sbp->fd.dev), 2423 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2424 csio->cdb_io.cdb_bytes[0], 2425 csio->cdb_io.cdb_bytes[1], 2426 csio->cdb_io.cdb_bytes[2], 2427 csio->cdb_io.cdb_bytes[3], 2428 csio->cdb_io.cdb_bytes[4], 2429 csio->cdb_io.cdb_bytes[5], 2430 csio->cdb_io.cdb_bytes[6], 2431 csio->cdb_io.cdb_bytes[7], 2432 csio->cdb_io.cdb_bytes[8], 2433 csio->cdb_io.cdb_bytes[9], 2434 ccb->ccb_h.flags & CAM_DIR_MASK, 2435 csio->cdb_len, csio->dxfer_len, 2436 csio->sense_len); 2437 END_DEBUG 2438 if(sdev == NULL){ 2439 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2440 xpt_done(ccb); 2441 return; 2442 } 2443 #if 0 2444 /* if we are in probe stage, pass only probe commands */ 2445 if (sdev->status == SBP_DEV_PROBE) { 2446 char *name; 2447 name = xpt_path_periph(ccb->ccb_h.path)->periph_name; 2448 printf("probe stage, periph name: %s\n", name); 2449 if (strcmp(name, "probe") != 0) { 2450 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2451 xpt_done(ccb); 2452 return; 2453 } 2454 } 2455 #endif 2456 if ((ocb = sbp_get_ocb(sdev)) == NULL) { 2457 ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 2458 if (sdev->freeze == 0) { 2459 SBP_LOCK(sdev->target->sbp); 2460 xpt_freeze_devq(sdev->path, 1); 2461 sdev->freeze ++; 2462 SBP_UNLOCK(sdev->target->sbp); 2463 } 2464 xpt_done(ccb); 2465 return; 2466 } 2467 2468 ocb->flags = OCB_ACT_CMD; 2469 ocb->sdev = sdev; 2470 ocb->ccb = ccb; 2471 ccb->ccb_h.ccb_sdev_ptr = sdev; 2472 ocb->orb[0] = htonl(1 << 31); 2473 ocb->orb[1] = 0; 2474 ocb->orb[2] = htonl(((sbp->fd.fc->nodeid | FWLOCALBUS )<< 16) ); 2475 ocb->orb[3] = htonl(ocb->bus_addr + IND_PTR_OFFSET); 2476 speed = min(target->fwdev->speed, max_speed); 2477 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_CMD_SPD(speed) 2478 | ORB_CMD_MAXP(speed + 7)); 2479 if((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN){ 2480 ocb->orb[4] |= htonl(ORB_CMD_IN); 2481 } 2482 2483 if (csio->ccb_h.flags & CAM_CDB_POINTER) 2484 cdb = (void *)csio->cdb_io.cdb_ptr; 2485 else 2486 cdb = (void *)&csio->cdb_io.cdb_bytes; 2487 bcopy(cdb, (void *)&ocb->orb[5], csio->cdb_len); 2488 /* 2489 printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[0]), ntohl(ocb->orb[1]), ntohl(ocb->orb[2]), ntohl(ocb->orb[3])); 2490 printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[4]), ntohl(ocb->orb[5]), ntohl(ocb->orb[6]), ntohl(ocb->orb[7])); 2491 */ 2492 if (ccb->csio.dxfer_len > 0) { 2493 int error; 2494 2495 error = bus_dmamap_load_ccb(/*dma tag*/sbp->dmat, 2496 /*dma map*/ocb->dmamap, 2497 ccb, 2498 sbp_execute_ocb, 2499 ocb, 2500 /*flags*/0); 2501 if (error) 2502 printf("sbp: bus_dmamap_load error %d\n", error); 2503 } else 2504 sbp_execute_ocb(ocb, NULL, 0, 0); 2505 break; 2506 } 2507 case XPT_CALC_GEOMETRY: 2508 { 2509 struct ccb_calc_geometry *ccg; 2510 #if defined(__DragonFly__) || __FreeBSD_version < 501100 2511 uint32_t size_mb; 2512 uint32_t secs_per_cylinder; 2513 int extended = 1; 2514 #endif 2515 2516 ccg = &ccb->ccg; 2517 if (ccg->block_size == 0) { 2518 printf("sbp_action1: block_size is 0.\n"); 2519 ccb->ccb_h.status = CAM_REQ_INVALID; 2520 xpt_done(ccb); 2521 break; 2522 } 2523 SBP_DEBUG(1) 2524 printf("%s:%d:%d:%d:XPT_CALC_GEOMETRY: " 2525 #if defined(__DragonFly__) || __FreeBSD_version < 500000 2526 "Volume size = %d\n", 2527 #else 2528 "Volume size = %jd\n", 2529 #endif 2530 device_get_nameunit(sbp->fd.dev), 2531 cam_sim_path(sbp->sim), 2532 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2533 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000 2534 (uintmax_t) 2535 #endif 2536 ccg->volume_size); 2537 END_DEBUG 2538 2539 #if defined(__DragonFly__) || __FreeBSD_version < 501100 2540 size_mb = ccg->volume_size 2541 / ((1024L * 1024L) / ccg->block_size); 2542 2543 if (size_mb > 1024 && extended) { 2544 ccg->heads = 255; 2545 ccg->secs_per_track = 63; 2546 } else { 2547 ccg->heads = 64; 2548 ccg->secs_per_track = 32; 2549 } 2550 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 2551 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 2552 ccb->ccb_h.status = CAM_REQ_CMP; 2553 #else 2554 cam_calc_geometry(ccg, /*extended*/1); 2555 #endif 2556 xpt_done(ccb); 2557 break; 2558 } 2559 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 2560 { 2561 2562 SBP_DEBUG(1) 2563 printf("%s:%d:XPT_RESET_BUS: \n", 2564 device_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim)); 2565 END_DEBUG 2566 2567 ccb->ccb_h.status = CAM_REQ_INVALID; 2568 xpt_done(ccb); 2569 break; 2570 } 2571 case XPT_PATH_INQ: /* Path routing inquiry */ 2572 { 2573 struct ccb_pathinq *cpi = &ccb->cpi; 2574 2575 SBP_DEBUG(1) 2576 printf("%s:%d:%d XPT_PATH_INQ:.\n", 2577 device_get_nameunit(sbp->fd.dev), 2578 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2579 END_DEBUG 2580 cpi->version_num = 1; /* XXX??? */ 2581 cpi->hba_inquiry = PI_TAG_ABLE; 2582 cpi->target_sprt = 0; 2583 cpi->hba_misc = PIM_NOBUSRESET | PIM_NO_6_BYTE; 2584 cpi->hba_eng_cnt = 0; 2585 cpi->max_target = SBP_NUM_TARGETS - 1; 2586 cpi->max_lun = SBP_NUM_LUNS - 1; 2587 cpi->initiator_id = SBP_INITIATOR; 2588 cpi->bus_id = sim->bus_id; 2589 cpi->base_transfer_speed = 400 * 1000 / 8; 2590 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 2591 strncpy(cpi->hba_vid, "SBP", HBA_IDLEN); 2592 strncpy(cpi->dev_name, sim->sim_name, DEV_IDLEN); 2593 cpi->unit_number = sim->unit_number; 2594 cpi->transport = XPORT_SPI; /* XX should have a FireWire */ 2595 cpi->transport_version = 2; 2596 cpi->protocol = PROTO_SCSI; 2597 cpi->protocol_version = SCSI_REV_2; 2598 2599 cpi->ccb_h.status = CAM_REQ_CMP; 2600 xpt_done(ccb); 2601 break; 2602 } 2603 case XPT_GET_TRAN_SETTINGS: 2604 { 2605 struct ccb_trans_settings *cts = &ccb->cts; 2606 struct ccb_trans_settings_scsi *scsi = 2607 &cts->proto_specific.scsi; 2608 struct ccb_trans_settings_spi *spi = 2609 &cts->xport_specific.spi; 2610 2611 cts->protocol = PROTO_SCSI; 2612 cts->protocol_version = SCSI_REV_2; 2613 cts->transport = XPORT_SPI; /* should have a FireWire */ 2614 cts->transport_version = 2; 2615 spi->valid = CTS_SPI_VALID_DISC; 2616 spi->flags = CTS_SPI_FLAGS_DISC_ENB; 2617 scsi->valid = CTS_SCSI_VALID_TQ; 2618 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; 2619 SBP_DEBUG(1) 2620 printf("%s:%d:%d XPT_GET_TRAN_SETTINGS:.\n", 2621 device_get_nameunit(sbp->fd.dev), 2622 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2623 END_DEBUG 2624 cts->ccb_h.status = CAM_REQ_CMP; 2625 xpt_done(ccb); 2626 break; 2627 } 2628 case XPT_ABORT: 2629 ccb->ccb_h.status = CAM_UA_ABORT; 2630 xpt_done(ccb); 2631 break; 2632 case XPT_SET_TRAN_SETTINGS: 2633 /* XXX */ 2634 default: 2635 ccb->ccb_h.status = CAM_REQ_INVALID; 2636 xpt_done(ccb); 2637 break; 2638 } 2639 return; 2640 } 2641 2642 static void 2643 sbp_action(struct cam_sim *sim, union ccb *ccb) 2644 { 2645 int s; 2646 2647 s = splfw(); 2648 sbp_action1(sim, ccb); 2649 splx(s); 2650 } 2651 2652 static void 2653 sbp_execute_ocb(void *arg, bus_dma_segment_t *segments, int seg, int error) 2654 { 2655 int i; 2656 struct sbp_ocb *ocb; 2657 struct sbp_ocb *prev; 2658 bus_dma_segment_t *s; 2659 2660 if (error) 2661 printf("sbp_execute_ocb: error=%d\n", error); 2662 2663 ocb = (struct sbp_ocb *)arg; 2664 2665 SBP_DEBUG(2) 2666 printf("sbp_execute_ocb: seg %d", seg); 2667 for (i = 0; i < seg; i++) 2668 #if defined(__DragonFly__) || __FreeBSD_version < 500000 2669 printf(", %x:%d", segments[i].ds_addr, segments[i].ds_len); 2670 #else 2671 printf(", %jx:%jd", (uintmax_t)segments[i].ds_addr, 2672 (uintmax_t)segments[i].ds_len); 2673 #endif 2674 printf("\n"); 2675 END_DEBUG 2676 2677 if (seg == 1) { 2678 /* direct pointer */ 2679 s = &segments[0]; 2680 if (s->ds_len > SBP_SEG_MAX) 2681 panic("ds_len > SBP_SEG_MAX, fix busdma code"); 2682 ocb->orb[3] = htonl(s->ds_addr); 2683 ocb->orb[4] |= htonl(s->ds_len); 2684 } else if(seg > 1) { 2685 /* page table */ 2686 for (i = 0; i < seg; i++) { 2687 s = &segments[i]; 2688 SBP_DEBUG(0) 2689 /* XXX LSI Logic "< 16 byte" bug might be hit */ 2690 if (s->ds_len < 16) 2691 printf("sbp_execute_ocb: warning, " 2692 #if defined(__DragonFly__) || __FreeBSD_version < 500000 2693 "segment length(%d) is less than 16." 2694 #else 2695 "segment length(%zd) is less than 16." 2696 #endif 2697 "(seg=%d/%d)\n", (size_t)s->ds_len, i+1, seg); 2698 END_DEBUG 2699 if (s->ds_len > SBP_SEG_MAX) 2700 panic("ds_len > SBP_SEG_MAX, fix busdma code"); 2701 ocb->ind_ptr[i].hi = htonl(s->ds_len << 16); 2702 ocb->ind_ptr[i].lo = htonl(s->ds_addr); 2703 } 2704 ocb->orb[4] |= htonl(ORB_CMD_PTBL | seg); 2705 } 2706 2707 if (seg > 0) 2708 bus_dmamap_sync(ocb->sdev->target->sbp->dmat, ocb->dmamap, 2709 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2710 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE); 2711 prev = sbp_enqueue_ocb(ocb->sdev, ocb); 2712 fwdma_sync(&ocb->sdev->dma, BUS_DMASYNC_PREWRITE); 2713 if (use_doorbell) { 2714 if (prev == NULL) { 2715 if (ocb->sdev->last_ocb != NULL) 2716 sbp_doorbell(ocb->sdev); 2717 else 2718 sbp_orb_pointer(ocb->sdev, ocb); 2719 } 2720 } else { 2721 if (prev == NULL || (ocb->sdev->flags & ORB_LINK_DEAD) != 0) { 2722 ocb->sdev->flags &= ~ORB_LINK_DEAD; 2723 sbp_orb_pointer(ocb->sdev, ocb); 2724 } 2725 } 2726 } 2727 2728 static void 2729 sbp_poll(struct cam_sim *sim) 2730 { 2731 struct sbp_softc *sbp; 2732 struct firewire_comm *fc; 2733 2734 sbp = (struct sbp_softc *)sim->softc; 2735 fc = sbp->fd.fc; 2736 2737 fc->poll(fc, 0, -1); 2738 2739 return; 2740 } 2741 2742 static struct sbp_ocb * 2743 sbp_dequeue_ocb(struct sbp_dev *sdev, struct sbp_status *sbp_status) 2744 { 2745 struct sbp_ocb *ocb; 2746 struct sbp_ocb *next; 2747 int s = splfw(), order = 0; 2748 int flags; 2749 2750 SBP_DEBUG(1) 2751 device_printf(sdev->target->sbp->fd.dev, 2752 #if defined(__DragonFly__) || __FreeBSD_version < 500000 2753 "%s:%s 0x%08lx src %d\n", 2754 #else 2755 "%s:%s 0x%08x src %d\n", 2756 #endif 2757 __func__, sdev->bustgtlun, ntohl(sbp_status->orb_lo), sbp_status->src); 2758 END_DEBUG 2759 SBP_LOCK(sdev->target->sbp); 2760 for (ocb = STAILQ_FIRST(&sdev->ocbs); ocb != NULL; ocb = next) { 2761 next = STAILQ_NEXT(ocb, ocb); 2762 flags = ocb->flags; 2763 if (OCB_MATCH(ocb, sbp_status)) { 2764 /* found */ 2765 STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb); 2766 if (ocb->ccb != NULL) 2767 untimeout(sbp_timeout, (caddr_t)ocb, 2768 ocb->timeout_ch); 2769 if (ntohl(ocb->orb[4]) & 0xffff) { 2770 bus_dmamap_sync(sdev->target->sbp->dmat, 2771 ocb->dmamap, 2772 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2773 BUS_DMASYNC_POSTREAD : 2774 BUS_DMASYNC_POSTWRITE); 2775 bus_dmamap_unload(sdev->target->sbp->dmat, 2776 ocb->dmamap); 2777 } 2778 if (!use_doorbell) { 2779 if (sbp_status->src == SRC_NO_NEXT) { 2780 if (next != NULL) 2781 sbp_orb_pointer(sdev, next); 2782 else if (order > 0) { 2783 /* 2784 * Unordered execution 2785 * We need to send pointer for 2786 * next ORB 2787 */ 2788 sdev->flags |= ORB_LINK_DEAD; 2789 } 2790 } 2791 } else { 2792 /* 2793 * XXX this is not correct for unordered 2794 * execution. 2795 */ 2796 if (sdev->last_ocb != NULL) { 2797 SBP_UNLOCK(sdev->target->sbp); 2798 sbp_free_ocb(sdev, sdev->last_ocb); 2799 SBP_LOCK(sdev->target->sbp); 2800 } 2801 sdev->last_ocb = ocb; 2802 if (next != NULL && 2803 sbp_status->src == SRC_NO_NEXT) 2804 sbp_doorbell(sdev); 2805 } 2806 break; 2807 } else 2808 order ++; 2809 } 2810 SBP_UNLOCK(sdev->target->sbp); 2811 splx(s); 2812 SBP_DEBUG(0) 2813 if (ocb && order > 0) { 2814 device_printf(sdev->target->sbp->fd.dev, 2815 "%s:%s unordered execution order:%d\n", 2816 __func__, sdev->bustgtlun, order); 2817 } 2818 END_DEBUG 2819 return (ocb); 2820 } 2821 2822 static struct sbp_ocb * 2823 sbp_enqueue_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 2824 { 2825 int s = splfw(); 2826 struct sbp_ocb *prev, *prev2; 2827 2828 mtx_assert(&sdev->target->sbp->mtx, MA_OWNED); 2829 SBP_DEBUG(1) 2830 device_printf(sdev->target->sbp->fd.dev, 2831 #if defined(__DragonFly__) || __FreeBSD_version < 500000 2832 "%s:%s 0x%08x\n", __func__, sdev->bustgtlun, ocb->bus_addr); 2833 #else 2834 "%s:%s 0x%08jx\n", __func__, sdev->bustgtlun, (uintmax_t)ocb->bus_addr); 2835 #endif 2836 END_DEBUG 2837 prev2 = prev = STAILQ_LAST(&sdev->ocbs, sbp_ocb, ocb); 2838 STAILQ_INSERT_TAIL(&sdev->ocbs, ocb, ocb); 2839 2840 if (ocb->ccb != NULL) 2841 ocb->timeout_ch = timeout(sbp_timeout, (caddr_t)ocb, 2842 (ocb->ccb->ccb_h.timeout * hz) / 1000); 2843 2844 if (use_doorbell && prev == NULL) 2845 prev2 = sdev->last_ocb; 2846 2847 if (prev2 != NULL && (ocb->sdev->flags & ORB_LINK_DEAD) == 0) { 2848 SBP_DEBUG(1) 2849 #if defined(__DragonFly__) || __FreeBSD_version < 500000 2850 printf("linking chain 0x%x -> 0x%x\n", 2851 prev2->bus_addr, ocb->bus_addr); 2852 #else 2853 printf("linking chain 0x%jx -> 0x%jx\n", 2854 (uintmax_t)prev2->bus_addr, (uintmax_t)ocb->bus_addr); 2855 #endif 2856 END_DEBUG 2857 /* 2858 * Suppress compiler optimization so that orb[1] must be written first. 2859 * XXX We may need an explicit memory barrier for other architectures 2860 * other than i386/amd64. 2861 */ 2862 *(volatile uint32_t *)&prev2->orb[1] = htonl(ocb->bus_addr); 2863 *(volatile uint32_t *)&prev2->orb[0] = 0; 2864 } 2865 splx(s); 2866 2867 return prev; 2868 } 2869 2870 static struct sbp_ocb * 2871 sbp_get_ocb(struct sbp_dev *sdev) 2872 { 2873 struct sbp_ocb *ocb; 2874 int s = splfw(); 2875 2876 mtx_assert(&sdev->target->sbp->mtx, MA_OWNED); 2877 ocb = STAILQ_FIRST(&sdev->free_ocbs); 2878 if (ocb == NULL) { 2879 sdev->flags |= ORB_SHORTAGE; 2880 printf("ocb shortage!!!\n"); 2881 splx(s); 2882 return NULL; 2883 } 2884 STAILQ_REMOVE_HEAD(&sdev->free_ocbs, ocb); 2885 splx(s); 2886 ocb->ccb = NULL; 2887 return (ocb); 2888 } 2889 2890 static void 2891 sbp_free_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 2892 { 2893 ocb->flags = 0; 2894 ocb->ccb = NULL; 2895 2896 SBP_LOCK(sdev->target->sbp); 2897 STAILQ_INSERT_TAIL(&sdev->free_ocbs, ocb, ocb); 2898 if ((sdev->flags & ORB_SHORTAGE) != 0) { 2899 int count; 2900 2901 sdev->flags &= ~ORB_SHORTAGE; 2902 count = sdev->freeze; 2903 sdev->freeze = 0; 2904 xpt_release_devq(sdev->path, count, TRUE); 2905 } 2906 SBP_UNLOCK(sdev->target->sbp); 2907 } 2908 2909 static void 2910 sbp_abort_ocb(struct sbp_ocb *ocb, int status) 2911 { 2912 struct sbp_dev *sdev; 2913 2914 sdev = ocb->sdev; 2915 SBP_DEBUG(0) 2916 device_printf(sdev->target->sbp->fd.dev, 2917 #if defined(__DragonFly__) || __FreeBSD_version < 500000 2918 "%s:%s 0x%x\n", __func__, sdev->bustgtlun, ocb->bus_addr); 2919 #else 2920 "%s:%s 0x%jx\n", __func__, sdev->bustgtlun, (uintmax_t)ocb->bus_addr); 2921 #endif 2922 END_DEBUG 2923 SBP_DEBUG(1) 2924 if (ocb->ccb != NULL) 2925 sbp_print_scsi_cmd(ocb); 2926 END_DEBUG 2927 if (ntohl(ocb->orb[4]) & 0xffff) { 2928 bus_dmamap_sync(sdev->target->sbp->dmat, ocb->dmamap, 2929 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2930 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 2931 bus_dmamap_unload(sdev->target->sbp->dmat, ocb->dmamap); 2932 } 2933 if (ocb->ccb != NULL) { 2934 untimeout(sbp_timeout, (caddr_t)ocb, 2935 ocb->timeout_ch); 2936 ocb->ccb->ccb_h.status = status; 2937 SBP_LOCK(sdev->target->sbp); 2938 xpt_done(ocb->ccb); 2939 SBP_UNLOCK(sdev->target->sbp); 2940 } 2941 sbp_free_ocb(sdev, ocb); 2942 } 2943 2944 static void 2945 sbp_abort_all_ocbs(struct sbp_dev *sdev, int status) 2946 { 2947 int s; 2948 struct sbp_ocb *ocb, *next; 2949 STAILQ_HEAD(, sbp_ocb) temp; 2950 2951 s = splfw(); 2952 2953 STAILQ_INIT(&temp); 2954 SBP_LOCK(sdev->target->sbp); 2955 STAILQ_CONCAT(&temp, &sdev->ocbs); 2956 STAILQ_INIT(&sdev->ocbs); 2957 SBP_UNLOCK(sdev->target->sbp); 2958 2959 for (ocb = STAILQ_FIRST(&temp); ocb != NULL; ocb = next) { 2960 next = STAILQ_NEXT(ocb, ocb); 2961 sbp_abort_ocb(ocb, status); 2962 } 2963 if (sdev->last_ocb != NULL) { 2964 sbp_free_ocb(sdev, sdev->last_ocb); 2965 sdev->last_ocb = NULL; 2966 } 2967 2968 splx(s); 2969 } 2970 2971 static devclass_t sbp_devclass; 2972 2973 static device_method_t sbp_methods[] = { 2974 /* device interface */ 2975 DEVMETHOD(device_identify, sbp_identify), 2976 DEVMETHOD(device_probe, sbp_probe), 2977 DEVMETHOD(device_attach, sbp_attach), 2978 DEVMETHOD(device_detach, sbp_detach), 2979 DEVMETHOD(device_shutdown, sbp_shutdown), 2980 2981 { 0, 0 } 2982 }; 2983 2984 static driver_t sbp_driver = { 2985 "sbp", 2986 sbp_methods, 2987 sizeof(struct sbp_softc), 2988 }; 2989 #ifdef __DragonFly__ 2990 DECLARE_DUMMY_MODULE(sbp); 2991 #endif 2992 DRIVER_MODULE(sbp, firewire, sbp_driver, sbp_devclass, 0, 0); 2993 MODULE_VERSION(sbp, 1); 2994 MODULE_DEPEND(sbp, firewire, 1, 1, 1); 2995 MODULE_DEPEND(sbp, cam, 1, 1, 1); 2996