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/sysctl.h> 43 #include <machine/bus.h> 44 #include <sys/malloc.h> 45 #if __FreeBSD_version >= 501102 46 #include <sys/lock.h> 47 #include <sys/mutex.h> 48 #endif 49 50 #if __FreeBSD_version < 500106 51 #include <sys/devicestat.h> /* for struct devstat */ 52 #endif 53 54 #include <cam/cam.h> 55 #include <cam/cam_ccb.h> 56 #include <cam/cam_sim.h> 57 #include <cam/cam_xpt_sim.h> 58 #include <cam/cam_debug.h> 59 #include <cam/cam_periph.h> 60 61 #include <cam/scsi/scsi_all.h> 62 63 #include <sys/kernel.h> 64 65 #include <dev/firewire/firewire.h> 66 #include <dev/firewire/firewirereg.h> 67 #include <dev/firewire/fwdma.h> 68 #include <dev/firewire/iec13213.h> 69 #include <dev/firewire/sbp.h> 70 71 #define ccb_sdev_ptr spriv_ptr0 72 #define ccb_sbp_ptr spriv_ptr1 73 74 #define SBP_NUM_TARGETS 8 /* MAX 64 */ 75 /* 76 * Scan_bus doesn't work for more than 8 LUNs 77 * because of CAM_SCSI2_MAXLUN in cam_xpt.c 78 */ 79 #define SBP_NUM_LUNS 64 80 #define SBP_DMA_SIZE PAGE_SIZE 81 #define SBP_LOGIN_SIZE sizeof(struct sbp_login_res) 82 #define SBP_QUEUE_LEN ((SBP_DMA_SIZE - SBP_LOGIN_SIZE) / sizeof(struct sbp_ocb)) 83 #define SBP_NUM_OCB (SBP_QUEUE_LEN * SBP_NUM_TARGETS) 84 85 /* 86 * STATUS FIFO addressing 87 * bit 88 * ----------------------- 89 * 0- 1( 2): 0 (alingment) 90 * 2- 7( 6): target 91 * 8-15( 8): lun 92 * 16-31( 8): reserved 93 * 32-47(16): SBP_BIND_HI 94 * 48-64(16): bus_id, node_id 95 */ 96 #define SBP_BIND_HI 0x1 97 #define SBP_DEV2ADDR(t, l) \ 98 (((u_int64_t)SBP_BIND_HI << 32) \ 99 | (((l) & 0xff) << 8) \ 100 | (((t) & 0x3f) << 2)) 101 #define SBP_ADDR2TRG(a) (((a) >> 2) & 0x3f) 102 #define SBP_ADDR2LUN(a) (((a) >> 8) & 0xff) 103 #define SBP_INITIATOR 7 104 105 static char *orb_fun_name[] = { 106 ORB_FUN_NAMES 107 }; 108 109 static int debug = 0; 110 static int auto_login = 1; 111 static int max_speed = -1; 112 static int sbp_cold = 1; 113 static int ex_login = 1; 114 static int login_delay = 1000; /* msec */ 115 static int scan_delay = 500; /* msec */ 116 117 SYSCTL_DECL(_hw_firewire); 118 SYSCTL_NODE(_hw_firewire, OID_AUTO, sbp, CTLFLAG_RD, 0, "SBP-II Subsystem"); 119 SYSCTL_INT(_debug, OID_AUTO, sbp_debug, CTLFLAG_RW, &debug, 0, 120 "SBP debug flag"); 121 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, auto_login, CTLFLAG_RW, &auto_login, 0, 122 "SBP perform login automatically"); 123 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, max_speed, CTLFLAG_RW, &max_speed, 0, 124 "SBP transfer max speed"); 125 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, exclusive_login, CTLFLAG_RW, 126 &ex_login, 0, "SBP transfer max speed"); 127 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, login_delay, CTLFLAG_RW, 128 &login_delay, 0, "SBP login delay in msec"); 129 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, scan_delay, CTLFLAG_RW, 130 &scan_delay, 0, "SBP scan delay in msec"); 131 132 TUNABLE_INT("hw.firewire.sbp.auto_login", &auto_login); 133 TUNABLE_INT("hw.firewire.sbp.max_speed", &max_speed); 134 TUNABLE_INT("hw.firewire.sbp.exclusive_login", &ex_login); 135 TUNABLE_INT("hw.firewire.sbp.login_delay", &login_delay); 136 TUNABLE_INT("hw.firewire.sbp.scan_delay", &scan_delay); 137 138 #define NEED_RESPONSE 0 139 140 #define SBP_SEG_MAX rounddown(0xffff, PAGE_SIZE) 141 #ifdef __sparc64__ /* iommu */ 142 #define SBP_IND_MAX howmany(MAXPHYS, SBP_SEG_MAX) 143 #else 144 #define SBP_IND_MAX howmany(MAXPHYS, PAGE_SIZE) 145 #endif 146 struct sbp_ocb { 147 STAILQ_ENTRY(sbp_ocb) ocb; 148 union ccb *ccb; 149 bus_addr_t bus_addr; 150 u_int32_t orb[8]; 151 #define IND_PTR_OFFSET (8*sizeof(u_int32_t)) 152 struct ind_ptr ind_ptr[SBP_IND_MAX]; 153 struct sbp_dev *sdev; 154 int flags; /* XXX should be removed */ 155 bus_dmamap_t dmamap; 156 }; 157 158 #define OCB_ACT_MGM 0 159 #define OCB_ACT_CMD 1 160 #define OCB_MATCH(o,s) ((o)->bus_addr == ntohl((s)->orb_lo)) 161 162 struct sbp_dev{ 163 #define SBP_DEV_RESET 0 /* accept login */ 164 #define SBP_DEV_LOGIN 1 /* to login */ 165 #if 0 166 #define SBP_DEV_RECONN 2 /* to reconnect */ 167 #endif 168 #define SBP_DEV_TOATTACH 3 /* to attach */ 169 #define SBP_DEV_PROBE 4 /* scan lun */ 170 #define SBP_DEV_ATTACHED 5 /* in operation */ 171 #define SBP_DEV_DEAD 6 /* unavailable unit */ 172 #define SBP_DEV_RETRY 7 /* unavailable unit */ 173 u_int8_t status:4, 174 timeout:4; 175 u_int8_t type; 176 u_int16_t lun_id; 177 u_int16_t freeze; 178 #define ORB_LINK_DEAD (1 << 0) 179 #define VALID_LUN (1 << 1) 180 #define ORB_POINTER_ACTIVE (1 << 2) 181 #define ORB_POINTER_NEED (1 << 3) 182 u_int16_t flags; 183 struct cam_path *path; 184 struct sbp_target *target; 185 struct fwdma_alloc dma; 186 struct sbp_login_res *login; 187 struct callout login_callout; 188 struct sbp_ocb *ocb; 189 STAILQ_HEAD(, sbp_ocb) ocbs; 190 STAILQ_HEAD(, sbp_ocb) free_ocbs; 191 char vendor[32]; 192 char product[32]; 193 char revision[10]; 194 }; 195 196 struct sbp_target { 197 int target_id; 198 int num_lun; 199 struct sbp_dev **luns; 200 struct sbp_softc *sbp; 201 struct fw_device *fwdev; 202 u_int32_t mgm_hi, mgm_lo; 203 struct sbp_ocb *mgm_ocb_cur; 204 STAILQ_HEAD(, sbp_ocb) mgm_ocb_queue; 205 struct callout mgm_ocb_timeout; 206 struct callout scan_callout; 207 STAILQ_HEAD(, fw_xfer) xferlist; 208 int n_xfer; 209 }; 210 211 struct sbp_softc { 212 struct firewire_dev_comm fd; 213 struct cam_sim *sim; 214 struct cam_path *path; 215 struct sbp_target targets[SBP_NUM_TARGETS]; 216 struct fw_bind fwb; 217 bus_dma_tag_t dmat; 218 struct timeval last_busreset; 219 #define SIMQ_FREEZED 1 220 int flags; 221 }; 222 223 static void sbp_post_explore (void *); 224 static void sbp_recv (struct fw_xfer *); 225 static void sbp_mgm_callback (struct fw_xfer *); 226 #if 0 227 static void sbp_cmd_callback (struct fw_xfer *); 228 #endif 229 static void sbp_orb_pointer (struct sbp_dev *, struct sbp_ocb *); 230 static void sbp_execute_ocb (void *, bus_dma_segment_t *, int, int); 231 static void sbp_free_ocb (struct sbp_dev *, struct sbp_ocb *); 232 static void sbp_abort_ocb (struct sbp_ocb *, int); 233 static void sbp_abort_all_ocbs (struct sbp_dev *, int); 234 static struct fw_xfer * sbp_write_cmd (struct sbp_dev *, int, int); 235 static struct sbp_ocb * sbp_get_ocb (struct sbp_dev *); 236 static struct sbp_ocb * sbp_enqueue_ocb (struct sbp_dev *, struct sbp_ocb *); 237 static struct sbp_ocb * sbp_dequeue_ocb (struct sbp_dev *, struct sbp_status *); 238 static void sbp_cam_detach_sdev(struct sbp_dev *); 239 static void sbp_free_sdev(struct sbp_dev *); 240 static void sbp_cam_detach_target (struct sbp_target *); 241 static void sbp_free_target (struct sbp_target *); 242 static void sbp_mgm_timeout (void *arg); 243 static void sbp_timeout (void *arg); 244 static void sbp_mgm_orb (struct sbp_dev *, int, struct sbp_ocb *); 245 246 MALLOC_DEFINE(M_SBP, "sbp", "SBP-II/FireWire"); 247 248 /* cam related functions */ 249 static void sbp_action(struct cam_sim *sim, union ccb *ccb); 250 static void sbp_poll(struct cam_sim *sim); 251 static void sbp_cam_scan_lun(struct cam_periph *, union ccb *); 252 static void sbp_cam_scan_target(void *arg); 253 254 static char *orb_status0[] = { 255 /* 0 */ "No additional information to report", 256 /* 1 */ "Request type not supported", 257 /* 2 */ "Speed not supported", 258 /* 3 */ "Page size not supported", 259 /* 4 */ "Access denied", 260 /* 5 */ "Logical unit not supported", 261 /* 6 */ "Maximum payload too small", 262 /* 7 */ "Reserved for future standardization", 263 /* 8 */ "Resources unavailable", 264 /* 9 */ "Function rejected", 265 /* A */ "Login ID not recognized", 266 /* B */ "Dummy ORB completed", 267 /* C */ "Request aborted", 268 /* FF */ "Unspecified error" 269 #define MAX_ORB_STATUS0 0xd 270 }; 271 272 static char *orb_status1_object[] = { 273 /* 0 */ "Operation request block (ORB)", 274 /* 1 */ "Data buffer", 275 /* 2 */ "Page table", 276 /* 3 */ "Unable to specify" 277 }; 278 279 static char *orb_status1_serial_bus_error[] = { 280 /* 0 */ "Missing acknowledge", 281 /* 1 */ "Reserved; not to be used", 282 /* 2 */ "Time-out error", 283 /* 3 */ "Reserved; not to be used", 284 /* 4 */ "Busy retry limit exceeded(X)", 285 /* 5 */ "Busy retry limit exceeded(A)", 286 /* 6 */ "Busy retry limit exceeded(B)", 287 /* 7 */ "Reserved for future standardization", 288 /* 8 */ "Reserved for future standardization", 289 /* 9 */ "Reserved for future standardization", 290 /* A */ "Reserved for future standardization", 291 /* B */ "Tardy retry limit exceeded", 292 /* C */ "Conflict error", 293 /* D */ "Data error", 294 /* E */ "Type error", 295 /* F */ "Address error" 296 }; 297 298 static void 299 sbp_identify(driver_t *driver, device_t parent) 300 { 301 device_t child; 302 SBP_DEBUG(0) 303 printf("sbp_identify\n"); 304 END_DEBUG 305 306 child = BUS_ADD_CHILD(parent, 0, "sbp", device_get_unit(parent)); 307 } 308 309 /* 310 * sbp_probe() 311 */ 312 static int 313 sbp_probe(device_t dev) 314 { 315 device_t pa; 316 317 SBP_DEBUG(0) 318 printf("sbp_probe\n"); 319 END_DEBUG 320 321 pa = device_get_parent(dev); 322 if(device_get_unit(dev) != device_get_unit(pa)){ 323 return(ENXIO); 324 } 325 326 device_set_desc(dev, "SBP-2/SCSI over FireWire"); 327 328 if (bootverbose) 329 debug = bootverbose; 330 return (0); 331 } 332 333 static void 334 sbp_show_sdev_info(struct sbp_dev *sdev, int new) 335 { 336 struct fw_device *fwdev; 337 338 printf("%s:%d:%d ", 339 device_get_nameunit(sdev->target->sbp->fd.dev), 340 sdev->target->target_id, 341 sdev->lun_id 342 ); 343 if (new == 2) { 344 return; 345 } 346 fwdev = sdev->target->fwdev; 347 printf("ordered:%d type:%d EUI:%08x%08x node:%d " 348 "speed:%d maxrec:%d", 349 (sdev->type & 0x40) >> 6, 350 (sdev->type & 0x1f), 351 fwdev->eui.hi, 352 fwdev->eui.lo, 353 fwdev->dst, 354 fwdev->speed, 355 fwdev->maxrec 356 ); 357 if (new) 358 printf(" new!\n"); 359 else 360 printf("\n"); 361 sbp_show_sdev_info(sdev, 2); 362 printf("'%s' '%s' '%s'\n", sdev->vendor, sdev->product, sdev->revision); 363 } 364 365 static struct { 366 int bus; 367 int target; 368 struct fw_eui64 eui; 369 } wired[] = { 370 /* Bus Target EUI64 */ 371 #if 0 372 {0, 2, {0x00018ea0, 0x01fd0154}}, /* Logitec HDD */ 373 {0, 0, {0x00018ea6, 0x00100682}}, /* Logitec DVD */ 374 {0, 1, {0x00d03200, 0xa412006a}}, /* Yano HDD */ 375 #endif 376 {-1, -1, {0,0}} 377 }; 378 379 static int 380 sbp_new_target(struct sbp_softc *sbp, struct fw_device *fwdev) 381 { 382 int bus, i, target=-1; 383 char w[SBP_NUM_TARGETS]; 384 385 bzero(w, sizeof(w)); 386 bus = device_get_unit(sbp->fd.dev); 387 388 /* XXX wired-down configuration should be gotten from 389 tunable or device hint */ 390 for (i = 0; wired[i].bus >= 0; i ++) { 391 if (wired[i].bus == bus) { 392 w[wired[i].target] = 1; 393 if (wired[i].eui.hi == fwdev->eui.hi && 394 wired[i].eui.lo == fwdev->eui.lo) 395 target = wired[i].target; 396 } 397 } 398 if (target >= 0) { 399 if(target < SBP_NUM_TARGETS && 400 sbp->targets[target].fwdev == NULL) 401 return(target); 402 device_printf(sbp->fd.dev, 403 "target %d is not free for %08x:%08x\n", 404 target, fwdev->eui.hi, fwdev->eui.lo); 405 target = -1; 406 } 407 /* non-wired target */ 408 for (i = 0; i < SBP_NUM_TARGETS; i ++) 409 if (sbp->targets[i].fwdev == NULL && w[i] == 0) { 410 target = i; 411 break; 412 } 413 414 return target; 415 } 416 417 static void 418 sbp_alloc_lun(struct sbp_target *target) 419 { 420 struct crom_context cc; 421 struct csrreg *reg; 422 struct sbp_dev *sdev, **newluns; 423 struct sbp_softc *sbp; 424 int maxlun, lun, i; 425 426 sbp = target->sbp; 427 crom_init_context(&cc, target->fwdev->csrrom); 428 /* XXX shoud parse appropriate unit directories only */ 429 maxlun = -1; 430 while (cc.depth >= 0) { 431 reg = crom_search_key(&cc, CROM_LUN); 432 if (reg == NULL) 433 break; 434 lun = reg->val & 0xffff; 435 SBP_DEBUG(0) 436 printf("target %d lun %d found\n", target->target_id, lun); 437 END_DEBUG 438 if (maxlun < lun) 439 maxlun = lun; 440 crom_next(&cc); 441 } 442 if (maxlun < 0) 443 printf("%s:%d no LUN found\n", 444 device_get_nameunit(target->sbp->fd.dev), 445 target->target_id); 446 447 maxlun ++; 448 if (maxlun >= SBP_NUM_LUNS) 449 maxlun = SBP_NUM_LUNS; 450 451 /* Invalidiate stale devices */ 452 for (lun = 0; lun < target->num_lun; lun ++) { 453 sdev = target->luns[lun]; 454 if (sdev == NULL) 455 continue; 456 sdev->flags &= ~VALID_LUN; 457 if (lun >= maxlun) { 458 /* lost device */ 459 sbp_cam_detach_sdev(sdev); 460 sbp_free_sdev(sdev); 461 } 462 } 463 464 /* Reallocate */ 465 if (maxlun != target->num_lun) { 466 newluns = (struct sbp_dev **) realloc(target->luns, 467 sizeof(struct sbp_dev *) * maxlun, 468 M_SBP, M_NOWAIT | M_ZERO); 469 470 if (newluns == NULL) { 471 printf("%s: realloc failed\n", __FUNCTION__); 472 newluns = target->luns; 473 maxlun = target->num_lun; 474 } 475 476 /* 477 * We must zero the extended region for the case 478 * realloc() doesn't allocate new buffer. 479 */ 480 if (maxlun > target->num_lun) 481 bzero(&newluns[target->num_lun], 482 sizeof(struct sbp_dev *) * 483 (maxlun - target->num_lun)); 484 485 target->luns = newluns; 486 target->num_lun = maxlun; 487 } 488 489 crom_init_context(&cc, target->fwdev->csrrom); 490 while (cc.depth >= 0) { 491 int new = 0; 492 493 reg = crom_search_key(&cc, CROM_LUN); 494 if (reg == NULL) 495 break; 496 lun = reg->val & 0xffff; 497 if (lun >= SBP_NUM_LUNS) { 498 printf("too large lun %d\n", lun); 499 goto next; 500 } 501 502 sdev = target->luns[lun]; 503 if (sdev == NULL) { 504 sdev = malloc(sizeof(struct sbp_dev), 505 M_SBP, M_NOWAIT | M_ZERO); 506 if (sdev == NULL) { 507 printf("%s: malloc failed\n", __FUNCTION__); 508 goto next; 509 } 510 target->luns[lun] = sdev; 511 sdev->lun_id = lun; 512 sdev->target = target; 513 STAILQ_INIT(&sdev->ocbs); 514 CALLOUT_INIT(&sdev->login_callout); 515 sdev->status = SBP_DEV_RESET; 516 new = 1; 517 } 518 sdev->flags |= VALID_LUN; 519 sdev->type = (reg->val & 0xff0000) >> 16; 520 521 if (new == 0) 522 goto next; 523 524 fwdma_malloc(sbp->fd.fc, 525 /* alignment */ sizeof(u_int32_t), 526 SBP_DMA_SIZE, &sdev->dma, BUS_DMA_NOWAIT); 527 if (sdev->dma.v_addr == NULL) { 528 printf("%s: dma space allocation failed\n", 529 __FUNCTION__); 530 free(sdev, M_SBP); 531 target->luns[lun] = NULL; 532 goto next; 533 } 534 sdev->login = (struct sbp_login_res *) sdev->dma.v_addr; 535 sdev->ocb = (struct sbp_ocb *) 536 ((char *)sdev->dma.v_addr + SBP_LOGIN_SIZE); 537 bzero((char *)sdev->ocb, 538 sizeof (struct sbp_ocb) * SBP_QUEUE_LEN); 539 540 STAILQ_INIT(&sdev->free_ocbs); 541 for (i = 0; i < SBP_QUEUE_LEN; i++) { 542 struct sbp_ocb *ocb; 543 ocb = &sdev->ocb[i]; 544 ocb->bus_addr = sdev->dma.bus_addr 545 + SBP_LOGIN_SIZE 546 + sizeof(struct sbp_ocb) * i 547 + offsetof(struct sbp_ocb, orb[0]); 548 if (bus_dmamap_create(sbp->dmat, 0, &ocb->dmamap)) { 549 printf("sbp_attach: cannot create dmamap\n"); 550 /* XXX */ 551 goto next; 552 } 553 sbp_free_ocb(sdev, ocb); 554 } 555 next: 556 crom_next(&cc); 557 } 558 559 for (lun = 0; lun < target->num_lun; lun ++) { 560 sdev = target->luns[lun]; 561 if (sdev != NULL && (sdev->flags & VALID_LUN) == 0) { 562 sbp_cam_detach_sdev(sdev); 563 sbp_free_sdev(sdev); 564 target->luns[lun] = NULL; 565 } 566 } 567 } 568 569 static struct sbp_target * 570 sbp_alloc_target(struct sbp_softc *sbp, struct fw_device *fwdev) 571 { 572 int i; 573 struct sbp_target *target; 574 struct crom_context cc; 575 struct csrreg *reg; 576 577 SBP_DEBUG(1) 578 printf("sbp_alloc_target\n"); 579 END_DEBUG 580 i = sbp_new_target(sbp, fwdev); 581 if (i < 0) { 582 device_printf(sbp->fd.dev, "increase SBP_NUM_TARGETS!\n"); 583 return NULL; 584 } 585 /* new target */ 586 target = &sbp->targets[i]; 587 target->sbp = sbp; 588 target->fwdev = fwdev; 589 target->target_id = i; 590 /* XXX we may want to reload mgm port after each bus reset */ 591 /* XXX there might be multiple management agents */ 592 crom_init_context(&cc, target->fwdev->csrrom); 593 reg = crom_search_key(&cc, CROM_MGM); 594 if (reg == NULL || reg->val == 0) { 595 printf("NULL management address\n"); 596 target->fwdev = NULL; 597 return NULL; 598 } 599 target->mgm_hi = 0xffff; 600 target->mgm_lo = 0xf0000000 | (reg->val << 2); 601 target->mgm_ocb_cur = NULL; 602 SBP_DEBUG(1) 603 printf("target:%d mgm_port: %x\n", i, target->mgm_lo); 604 END_DEBUG 605 STAILQ_INIT(&target->xferlist); 606 target->n_xfer = 0; 607 STAILQ_INIT(&target->mgm_ocb_queue); 608 CALLOUT_INIT(&target->mgm_ocb_timeout); 609 CALLOUT_INIT(&target->scan_callout); 610 611 target->luns = NULL; 612 target->num_lun = 0; 613 return target; 614 } 615 616 static void 617 sbp_probe_lun(struct sbp_dev *sdev) 618 { 619 struct fw_device *fwdev; 620 struct crom_context c, *cc = &c; 621 struct csrreg *reg; 622 623 bzero(sdev->vendor, sizeof(sdev->vendor)); 624 bzero(sdev->product, sizeof(sdev->product)); 625 626 fwdev = sdev->target->fwdev; 627 crom_init_context(cc, fwdev->csrrom); 628 /* get vendor string */ 629 crom_search_key(cc, CSRKEY_VENDOR); 630 crom_next(cc); 631 crom_parse_text(cc, sdev->vendor, sizeof(sdev->vendor)); 632 /* skip to the unit directory for SBP-2 */ 633 while ((reg = crom_search_key(cc, CSRKEY_VER)) != NULL) { 634 if (reg->val == CSRVAL_T10SBP2) 635 break; 636 crom_next(cc); 637 } 638 /* get firmware revision */ 639 reg = crom_search_key(cc, CSRKEY_FIRM_VER); 640 if (reg != NULL) 641 snprintf(sdev->revision, sizeof(sdev->revision), 642 "%06x", reg->val); 643 /* get product string */ 644 crom_search_key(cc, CSRKEY_MODEL); 645 crom_next(cc); 646 crom_parse_text(cc, sdev->product, sizeof(sdev->product)); 647 } 648 649 static void 650 sbp_login_callout(void *arg) 651 { 652 struct sbp_dev *sdev = (struct sbp_dev *)arg; 653 sbp_mgm_orb(sdev, ORB_FUN_LGI, NULL); 654 } 655 656 static void 657 sbp_login(struct sbp_dev *sdev) 658 { 659 struct timeval delta; 660 struct timeval t; 661 int ticks = 0; 662 663 microtime(&delta); 664 timevalsub(&delta, &sdev->target->sbp->last_busreset); 665 t.tv_sec = login_delay / 1000; 666 t.tv_usec = (login_delay % 1000) * 1000; 667 timevalsub(&t, &delta); 668 if (t.tv_sec >= 0 && t.tv_usec > 0) 669 ticks = (t.tv_sec * 1000 + t.tv_usec / 1000) * hz / 1000; 670 SBP_DEBUG(0) 671 printf("%s: sec = %ld usec = %ld ticks = %d\n", __FUNCTION__, 672 t.tv_sec, t.tv_usec, ticks); 673 END_DEBUG 674 callout_reset(&sdev->login_callout, ticks, 675 sbp_login_callout, (void *)(sdev)); 676 } 677 678 #define SBP_FWDEV_ALIVE(fwdev) (((fwdev)->status == FWDEVATTACHED) \ 679 && crom_has_specver((fwdev)->csrrom, CSRVAL_ANSIT10, CSRVAL_T10SBP2)) 680 681 static void 682 sbp_probe_target(void *arg) 683 { 684 struct sbp_target *target = (struct sbp_target *)arg; 685 struct sbp_softc *sbp; 686 struct sbp_dev *sdev; 687 struct firewire_comm *fc; 688 int i, alive; 689 690 alive = SBP_FWDEV_ALIVE(target->fwdev); 691 SBP_DEBUG(1) 692 printf("sbp_probe_target %d\n", target->target_id); 693 if (!alive) 694 printf("not alive\n"); 695 END_DEBUG 696 697 sbp = target->sbp; 698 fc = target->sbp->fd.fc; 699 sbp_alloc_lun(target); 700 701 /* XXX untimeout mgm_ocb and dequeue */ 702 for (i=0; i < target->num_lun; i++) { 703 sdev = target->luns[i]; 704 if (sdev == NULL) 705 continue; 706 if (alive && (sdev->status != SBP_DEV_DEAD)) { 707 if (sdev->path != NULL) { 708 xpt_freeze_devq(sdev->path, 1); 709 sdev->freeze ++; 710 } 711 sbp_probe_lun(sdev); 712 SBP_DEBUG(0) 713 sbp_show_sdev_info(sdev, 714 (sdev->status == SBP_DEV_RESET)); 715 END_DEBUG 716 717 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET); 718 switch (sdev->status) { 719 case SBP_DEV_RESET: 720 /* new or revived target */ 721 if (auto_login) 722 sbp_login(sdev); 723 break; 724 case SBP_DEV_TOATTACH: 725 case SBP_DEV_PROBE: 726 case SBP_DEV_ATTACHED: 727 case SBP_DEV_RETRY: 728 default: 729 sbp_mgm_orb(sdev, ORB_FUN_RCN, NULL); 730 break; 731 } 732 } else { 733 switch (sdev->status) { 734 case SBP_DEV_ATTACHED: 735 SBP_DEBUG(0) 736 /* the device has gone */ 737 sbp_show_sdev_info(sdev, 2); 738 printf("lost target\n"); 739 END_DEBUG 740 if (sdev->path) { 741 xpt_freeze_devq(sdev->path, 1); 742 sdev->freeze ++; 743 } 744 sdev->status = SBP_DEV_RETRY; 745 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET); 746 break; 747 case SBP_DEV_PROBE: 748 case SBP_DEV_TOATTACH: 749 sdev->status = SBP_DEV_RESET; 750 break; 751 case SBP_DEV_RETRY: 752 case SBP_DEV_RESET: 753 case SBP_DEV_DEAD: 754 break; 755 } 756 } 757 } 758 } 759 760 static void 761 sbp_post_busreset(void *arg) 762 { 763 struct sbp_softc *sbp; 764 765 sbp = (struct sbp_softc *)arg; 766 SBP_DEBUG(0) 767 printf("sbp_post_busreset\n"); 768 END_DEBUG 769 if ((sbp->sim->flags & SIMQ_FREEZED) == 0) { 770 xpt_freeze_simq(sbp->sim, /*count*/1); 771 sbp->sim->flags |= SIMQ_FREEZED; 772 } 773 microtime(&sbp->last_busreset); 774 } 775 776 static void 777 sbp_post_explore(void *arg) 778 { 779 struct sbp_softc *sbp = (struct sbp_softc *)arg; 780 struct sbp_target *target; 781 struct fw_device *fwdev; 782 int i, alive; 783 784 SBP_DEBUG(0) 785 printf("sbp_post_explore (sbp_cold=%d)\n", sbp_cold); 786 END_DEBUG 787 if (sbp_cold > 0) 788 sbp_cold --; 789 790 #if 0 791 /* 792 * XXX don't let CAM the bus rest. 793 * CAM tries to do something with freezed (DEV_RETRY) devices. 794 */ 795 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL); 796 #endif 797 798 /* Gabage Collection */ 799 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){ 800 target = &sbp->targets[i]; 801 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) 802 if (target->fwdev == NULL || target->fwdev == fwdev) 803 break; 804 if (fwdev == NULL) { 805 /* device has removed in lower driver */ 806 sbp_cam_detach_target(target); 807 sbp_free_target(target); 808 } 809 } 810 /* traverse device list */ 811 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) { 812 SBP_DEBUG(0) 813 printf("sbp_post_explore: EUI:%08x%08x ", 814 fwdev->eui.hi, fwdev->eui.lo); 815 if (fwdev->status != FWDEVATTACHED) 816 printf("not attached, state=%d.\n", fwdev->status); 817 else 818 printf("attached\n"); 819 END_DEBUG 820 alive = SBP_FWDEV_ALIVE(fwdev); 821 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){ 822 target = &sbp->targets[i]; 823 if(target->fwdev == fwdev ) { 824 /* known target */ 825 break; 826 } 827 } 828 if(i == SBP_NUM_TARGETS){ 829 if (alive) { 830 /* new target */ 831 target = sbp_alloc_target(sbp, fwdev); 832 if (target == NULL) 833 continue; 834 } else { 835 continue; 836 } 837 } 838 sbp_probe_target((void *)target); 839 if (target->num_lun == 0) 840 sbp_free_target(target); 841 } 842 xpt_release_simq(sbp->sim, /*run queue*/TRUE); 843 sbp->sim->flags &= ~SIMQ_FREEZED; 844 } 845 846 #if NEED_RESPONSE 847 static void 848 sbp_loginres_callback(struct fw_xfer *xfer){ 849 int s; 850 struct sbp_dev *sdev; 851 sdev = (struct sbp_dev *)xfer->sc; 852 SBP_DEBUG(1) 853 sbp_show_sdev_info(sdev, 2); 854 printf("sbp_loginres_callback\n"); 855 END_DEBUG 856 /* recycle */ 857 s = splfw(); 858 STAILQ_INSERT_TAIL(&sdev->target->sbp->fwb.xferlist, xfer, link); 859 splx(s); 860 return; 861 } 862 #endif 863 864 static __inline void 865 sbp_xfer_free(struct fw_xfer *xfer) 866 { 867 struct sbp_dev *sdev; 868 int s; 869 870 sdev = (struct sbp_dev *)xfer->sc; 871 fw_xfer_unload(xfer); 872 s = splfw(); 873 STAILQ_INSERT_TAIL(&sdev->target->xferlist, xfer, link); 874 splx(s); 875 } 876 877 static void 878 sbp_reset_start_callback(struct fw_xfer *xfer) 879 { 880 struct sbp_dev *tsdev, *sdev = (struct sbp_dev *)xfer->sc; 881 struct sbp_target *target = sdev->target; 882 int i; 883 884 if (xfer->resp != 0) { 885 sbp_show_sdev_info(sdev, 2); 886 printf("sbp_reset_start failed: resp=%d\n", xfer->resp); 887 } 888 889 for (i = 0; i < target->num_lun; i++) { 890 tsdev = target->luns[i]; 891 if (tsdev != NULL && tsdev->status == SBP_DEV_LOGIN) 892 sbp_login(tsdev); 893 } 894 } 895 896 static void 897 sbp_reset_start(struct sbp_dev *sdev) 898 { 899 struct fw_xfer *xfer; 900 struct fw_pkt *fp; 901 902 SBP_DEBUG(0) 903 sbp_show_sdev_info(sdev, 2); 904 printf("sbp_reset_start\n"); 905 END_DEBUG 906 907 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 908 xfer->act.hand = sbp_reset_start_callback; 909 fp = &xfer->send.hdr; 910 fp->mode.wreqq.dest_hi = 0xffff; 911 fp->mode.wreqq.dest_lo = 0xf0000000 | RESET_START; 912 fp->mode.wreqq.data = htonl(0xf); 913 fw_asyreq(xfer->fc, -1, xfer); 914 } 915 916 static void 917 sbp_mgm_callback(struct fw_xfer *xfer) 918 { 919 struct sbp_dev *sdev; 920 int resp; 921 922 sdev = (struct sbp_dev *)xfer->sc; 923 924 SBP_DEBUG(1) 925 sbp_show_sdev_info(sdev, 2); 926 printf("sbp_mgm_callback\n"); 927 END_DEBUG 928 resp = xfer->resp; 929 sbp_xfer_free(xfer); 930 #if 0 931 if (resp != 0) { 932 sbp_show_sdev_info(sdev, 2); 933 printf("management ORB failed(%d) ... RESET_START\n", resp); 934 sbp_reset_start(sdev); 935 } 936 #endif 937 return; 938 } 939 940 static struct sbp_dev * 941 sbp_next_dev(struct sbp_target *target, int lun) 942 { 943 struct sbp_dev **sdevp; 944 int i; 945 946 for (i = lun, sdevp = &target->luns[lun]; i < target->num_lun; 947 i++, sdevp++) 948 if (*sdevp != NULL && (*sdevp)->status == SBP_DEV_PROBE) 949 return(*sdevp); 950 return(NULL); 951 } 952 953 #define SCAN_PRI 1 954 static void 955 sbp_cam_scan_lun(struct cam_periph *periph, union ccb *ccb) 956 { 957 struct sbp_target *target; 958 struct sbp_dev *sdev; 959 960 sdev = (struct sbp_dev *) ccb->ccb_h.ccb_sdev_ptr; 961 target = sdev->target; 962 SBP_DEBUG(0) 963 sbp_show_sdev_info(sdev, 2); 964 printf("sbp_cam_scan_lun\n"); 965 END_DEBUG 966 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 967 sdev->status = SBP_DEV_ATTACHED; 968 } else { 969 sbp_show_sdev_info(sdev, 2); 970 printf("scan failed\n"); 971 } 972 sdev = sbp_next_dev(target, sdev->lun_id + 1); 973 if (sdev == NULL) { 974 free(ccb, M_SBP); 975 return; 976 } 977 /* reuse ccb */ 978 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI); 979 ccb->ccb_h.ccb_sdev_ptr = sdev; 980 xpt_action(ccb); 981 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 982 sdev->freeze = 1; 983 } 984 985 static void 986 sbp_cam_scan_target(void *arg) 987 { 988 struct sbp_target *target = (struct sbp_target *)arg; 989 struct sbp_dev *sdev; 990 union ccb *ccb; 991 992 sdev = sbp_next_dev(target, 0); 993 if (sdev == NULL) { 994 printf("sbp_cam_scan_target: nothing to do for target%d\n", 995 target->target_id); 996 return; 997 } 998 SBP_DEBUG(0) 999 sbp_show_sdev_info(sdev, 2); 1000 printf("sbp_cam_scan_target\n"); 1001 END_DEBUG 1002 ccb = malloc(sizeof(union ccb), M_SBP, M_NOWAIT | M_ZERO); 1003 if (ccb == NULL) { 1004 printf("sbp_cam_scan_target: malloc failed\n"); 1005 return; 1006 } 1007 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI); 1008 ccb->ccb_h.func_code = XPT_SCAN_LUN; 1009 ccb->ccb_h.cbfcnp = sbp_cam_scan_lun; 1010 ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 1011 ccb->crcn.flags = CAM_FLAG_NONE; 1012 ccb->ccb_h.ccb_sdev_ptr = sdev; 1013 1014 /* The scan is in progress now. */ 1015 xpt_action(ccb); 1016 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 1017 sdev->freeze = 1; 1018 } 1019 1020 static __inline void 1021 sbp_scan_dev(struct sbp_dev *sdev) 1022 { 1023 sdev->status = SBP_DEV_PROBE; 1024 callout_reset(&sdev->target->scan_callout, scan_delay * hz / 1000, 1025 sbp_cam_scan_target, (void *)sdev->target); 1026 } 1027 1028 static void 1029 sbp_do_attach(struct fw_xfer *xfer) 1030 { 1031 struct sbp_dev *sdev; 1032 struct sbp_target *target; 1033 struct sbp_softc *sbp; 1034 1035 sdev = (struct sbp_dev *)xfer->sc; 1036 target = sdev->target; 1037 sbp = target->sbp; 1038 SBP_DEBUG(0) 1039 sbp_show_sdev_info(sdev, 2); 1040 printf("sbp_do_attach\n"); 1041 END_DEBUG 1042 sbp_xfer_free(xfer); 1043 1044 if (sdev->path == NULL) 1045 xpt_create_path(&sdev->path, xpt_periph, 1046 cam_sim_path(target->sbp->sim), 1047 target->target_id, sdev->lun_id); 1048 1049 /* 1050 * Let CAM scan the bus if we are in the boot process. 1051 * XXX xpt_scan_bus cannot detect LUN larger than 0 1052 * if LUN 0 doesn't exists. 1053 */ 1054 if (sbp_cold > 0) { 1055 sdev->status = SBP_DEV_ATTACHED; 1056 return; 1057 } 1058 1059 sbp_scan_dev(sdev); 1060 return; 1061 } 1062 1063 static void 1064 sbp_agent_reset_callback(struct fw_xfer *xfer) 1065 { 1066 struct sbp_dev *sdev; 1067 1068 sdev = (struct sbp_dev *)xfer->sc; 1069 SBP_DEBUG(1) 1070 sbp_show_sdev_info(sdev, 2); 1071 printf("%s\n", __FUNCTION__); 1072 END_DEBUG 1073 if (xfer->resp != 0) { 1074 sbp_show_sdev_info(sdev, 2); 1075 printf("%s: resp=%d\n", __FUNCTION__, xfer->resp); 1076 } 1077 1078 sbp_xfer_free(xfer); 1079 if (sdev->path) { 1080 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 1081 sdev->freeze = 0; 1082 } 1083 } 1084 1085 static void 1086 sbp_agent_reset(struct sbp_dev *sdev) 1087 { 1088 struct fw_xfer *xfer; 1089 struct fw_pkt *fp; 1090 1091 SBP_DEBUG(0) 1092 sbp_show_sdev_info(sdev, 2); 1093 printf("sbp_agent_reset\n"); 1094 END_DEBUG 1095 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x04); 1096 if (xfer == NULL) 1097 return; 1098 if (sdev->status == SBP_DEV_ATTACHED || sdev->status == SBP_DEV_PROBE) 1099 xfer->act.hand = sbp_agent_reset_callback; 1100 else 1101 xfer->act.hand = sbp_do_attach; 1102 fp = &xfer->send.hdr; 1103 fp->mode.wreqq.data = htonl(0xf); 1104 fw_asyreq(xfer->fc, -1, xfer); 1105 sbp_abort_all_ocbs(sdev, CAM_BDR_SENT); 1106 } 1107 1108 static void 1109 sbp_busy_timeout_callback(struct fw_xfer *xfer) 1110 { 1111 struct sbp_dev *sdev; 1112 1113 sdev = (struct sbp_dev *)xfer->sc; 1114 SBP_DEBUG(1) 1115 sbp_show_sdev_info(sdev, 2); 1116 printf("sbp_busy_timeout_callback\n"); 1117 END_DEBUG 1118 sbp_xfer_free(xfer); 1119 sbp_agent_reset(sdev); 1120 } 1121 1122 static void 1123 sbp_busy_timeout(struct sbp_dev *sdev) 1124 { 1125 struct fw_pkt *fp; 1126 struct fw_xfer *xfer; 1127 SBP_DEBUG(0) 1128 sbp_show_sdev_info(sdev, 2); 1129 printf("sbp_busy_timeout\n"); 1130 END_DEBUG 1131 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 1132 1133 xfer->act.hand = sbp_busy_timeout_callback; 1134 fp = &xfer->send.hdr; 1135 fp->mode.wreqq.dest_hi = 0xffff; 1136 fp->mode.wreqq.dest_lo = 0xf0000000 | BUSY_TIMEOUT; 1137 fp->mode.wreqq.data = htonl((1 << (13+12)) | 0xf); 1138 fw_asyreq(xfer->fc, -1, xfer); 1139 } 1140 1141 static void 1142 sbp_orb_pointer_callback(struct fw_xfer *xfer) 1143 { 1144 struct sbp_dev *sdev; 1145 sdev = (struct sbp_dev *)xfer->sc; 1146 1147 SBP_DEBUG(1) 1148 sbp_show_sdev_info(sdev, 2); 1149 printf("%s\n", __FUNCTION__); 1150 END_DEBUG 1151 if (xfer->resp != 0) { 1152 /* XXX */ 1153 printf("%s: xfer->resp = %d\n", __FUNCTION__, xfer->resp); 1154 } 1155 sbp_xfer_free(xfer); 1156 sdev->flags &= ~ORB_POINTER_ACTIVE; 1157 1158 if ((sdev->flags & ORB_POINTER_NEED) != 0) { 1159 struct sbp_ocb *ocb; 1160 1161 sdev->flags &= ~ORB_POINTER_NEED; 1162 ocb = STAILQ_FIRST(&sdev->ocbs); 1163 if (ocb != NULL) 1164 sbp_orb_pointer(sdev, ocb); 1165 } 1166 return; 1167 } 1168 1169 static void 1170 sbp_orb_pointer(struct sbp_dev *sdev, struct sbp_ocb *ocb) 1171 { 1172 struct fw_xfer *xfer; 1173 struct fw_pkt *fp; 1174 SBP_DEBUG(1) 1175 sbp_show_sdev_info(sdev, 2); 1176 printf("%s: 0x%08x\n", __FUNCTION__, (u_int32_t)ocb->bus_addr); 1177 END_DEBUG 1178 1179 if ((sdev->flags & ORB_POINTER_ACTIVE) != 0) { 1180 SBP_DEBUG(0) 1181 printf("%s: orb pointer active\n", __FUNCTION__); 1182 END_DEBUG 1183 sdev->flags |= ORB_POINTER_NEED; 1184 return; 1185 } 1186 1187 sdev->flags |= ORB_POINTER_ACTIVE; 1188 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0x08); 1189 if (xfer == NULL) 1190 return; 1191 xfer->act.hand = sbp_orb_pointer_callback; 1192 1193 fp = &xfer->send.hdr; 1194 fp->mode.wreqb.len = 8; 1195 fp->mode.wreqb.extcode = 0; 1196 xfer->send.payload[0] = 1197 htonl(((sdev->target->sbp->fd.fc->nodeid | FWLOCALBUS )<< 16)); 1198 xfer->send.payload[1] = htonl((u_int32_t)ocb->bus_addr); 1199 1200 if(fw_asyreq(xfer->fc, -1, xfer) != 0){ 1201 sbp_xfer_free(xfer); 1202 ocb->ccb->ccb_h.status = CAM_REQ_INVALID; 1203 xpt_done(ocb->ccb); 1204 } 1205 } 1206 1207 #if 0 1208 static void 1209 sbp_cmd_callback(struct fw_xfer *xfer) 1210 { 1211 SBP_DEBUG(1) 1212 struct sbp_dev *sdev; 1213 sdev = (struct sbp_dev *)xfer->sc; 1214 sbp_show_sdev_info(sdev, 2); 1215 printf("sbp_cmd_callback\n"); 1216 END_DEBUG 1217 if (xfer->resp != 0) { 1218 /* XXX */ 1219 printf("%s: xfer->resp = %d\n", __FUNCTION__, xfer->resp); 1220 } 1221 sbp_xfer_free(xfer); 1222 return; 1223 } 1224 1225 static void 1226 sbp_doorbell(struct sbp_dev *sdev) 1227 { 1228 struct fw_xfer *xfer; 1229 struct fw_pkt *fp; 1230 SBP_DEBUG(1) 1231 sbp_show_sdev_info(sdev, 2); 1232 printf("sbp_doorbell\n"); 1233 END_DEBUG 1234 1235 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x10); 1236 if (xfer == NULL) 1237 return; 1238 xfer->act.hand = sbp_cmd_callback; 1239 fp = (struct fw_pkt *)xfer->send.buf; 1240 fp->mode.wreqq.data = htonl(0xf); 1241 fw_asyreq(xfer->fc, -1, xfer); 1242 } 1243 #endif 1244 1245 static struct fw_xfer * 1246 sbp_write_cmd(struct sbp_dev *sdev, int tcode, int offset) 1247 { 1248 struct fw_xfer *xfer; 1249 struct fw_pkt *fp; 1250 struct sbp_target *target; 1251 int s, new = 0; 1252 1253 target = sdev->target; 1254 s = splfw(); 1255 xfer = STAILQ_FIRST(&target->xferlist); 1256 if (xfer == NULL) { 1257 if (target->n_xfer > 5 /* XXX */) { 1258 printf("sbp: no more xfer for this target\n"); 1259 splx(s); 1260 return(NULL); 1261 } 1262 xfer = fw_xfer_alloc_buf(M_SBP, 8, 0); 1263 if(xfer == NULL){ 1264 printf("sbp: fw_xfer_alloc_buf failed\n"); 1265 splx(s); 1266 return NULL; 1267 } 1268 target->n_xfer ++; 1269 if (debug) 1270 printf("sbp: alloc %d xfer\n", target->n_xfer); 1271 new = 1; 1272 } else { 1273 STAILQ_REMOVE_HEAD(&target->xferlist, link); 1274 } 1275 splx(s); 1276 1277 microtime(&xfer->tv); 1278 1279 if (new) { 1280 xfer->recv.pay_len = 0; 1281 xfer->send.spd = min(sdev->target->fwdev->speed, max_speed); 1282 xfer->fc = sdev->target->sbp->fd.fc; 1283 xfer->retry_req = fw_asybusy; 1284 } 1285 1286 if (tcode == FWTCODE_WREQB) 1287 xfer->send.pay_len = 8; 1288 else 1289 xfer->send.pay_len = 0; 1290 1291 xfer->sc = (caddr_t)sdev; 1292 fp = &xfer->send.hdr; 1293 fp->mode.wreqq.dest_hi = sdev->login->cmd_hi; 1294 fp->mode.wreqq.dest_lo = sdev->login->cmd_lo + offset; 1295 fp->mode.wreqq.tlrt = 0; 1296 fp->mode.wreqq.tcode = tcode; 1297 fp->mode.wreqq.pri = 0; 1298 fp->mode.wreqq.dst = FWLOCALBUS | sdev->target->fwdev->dst; 1299 1300 return xfer; 1301 1302 } 1303 1304 static void 1305 sbp_mgm_orb(struct sbp_dev *sdev, int func, struct sbp_ocb *aocb) 1306 { 1307 struct fw_xfer *xfer; 1308 struct fw_pkt *fp; 1309 struct sbp_ocb *ocb; 1310 struct sbp_target *target; 1311 int s, nid; 1312 1313 target = sdev->target; 1314 nid = target->sbp->fd.fc->nodeid | FWLOCALBUS; 1315 1316 s = splfw(); 1317 if (func == ORB_FUN_RUNQUEUE) { 1318 ocb = STAILQ_FIRST(&target->mgm_ocb_queue); 1319 if (target->mgm_ocb_cur != NULL || ocb == NULL) { 1320 splx(s); 1321 return; 1322 } 1323 STAILQ_REMOVE_HEAD(&target->mgm_ocb_queue, ocb); 1324 goto start; 1325 } 1326 if ((ocb = sbp_get_ocb(sdev)) == NULL) { 1327 splx(s); 1328 /* XXX */ 1329 return; 1330 } 1331 ocb->flags = OCB_ACT_MGM; 1332 ocb->sdev = sdev; 1333 1334 bzero((void *)ocb->orb, sizeof(ocb->orb)); 1335 ocb->orb[6] = htonl((nid << 16) | SBP_BIND_HI); 1336 ocb->orb[7] = htonl(SBP_DEV2ADDR(target->target_id, sdev->lun_id)); 1337 1338 SBP_DEBUG(0) 1339 sbp_show_sdev_info(sdev, 2); 1340 printf("%s\n", orb_fun_name[(func>>16)&0xf]); 1341 END_DEBUG 1342 switch (func) { 1343 case ORB_FUN_LGI: 1344 ocb->orb[0] = ocb->orb[1] = 0; /* password */ 1345 ocb->orb[2] = htonl(nid << 16); 1346 ocb->orb[3] = htonl(sdev->dma.bus_addr); 1347 ocb->orb[4] = htonl(ORB_NOTIFY | sdev->lun_id); 1348 if (ex_login) 1349 ocb->orb[4] |= htonl(ORB_EXV); 1350 ocb->orb[5] = htonl(SBP_LOGIN_SIZE); 1351 fwdma_sync(&sdev->dma, BUS_DMASYNC_PREREAD); 1352 break; 1353 case ORB_FUN_ATA: 1354 ocb->orb[0] = htonl((0 << 16) | 0); 1355 ocb->orb[1] = htonl(aocb->bus_addr & 0xffffffff); 1356 /* fall through */ 1357 case ORB_FUN_RCN: 1358 case ORB_FUN_LGO: 1359 case ORB_FUN_LUR: 1360 case ORB_FUN_RST: 1361 case ORB_FUN_ATS: 1362 ocb->orb[4] = htonl(ORB_NOTIFY | func | sdev->login->id); 1363 break; 1364 } 1365 1366 if (target->mgm_ocb_cur != NULL) { 1367 /* there is a standing ORB */ 1368 STAILQ_INSERT_TAIL(&sdev->target->mgm_ocb_queue, ocb, ocb); 1369 splx(s); 1370 return; 1371 } 1372 start: 1373 target->mgm_ocb_cur = ocb; 1374 splx(s); 1375 1376 callout_reset(&target->mgm_ocb_timeout, 5*hz, 1377 sbp_mgm_timeout, (caddr_t)ocb); 1378 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0); 1379 if(xfer == NULL){ 1380 return; 1381 } 1382 xfer->act.hand = sbp_mgm_callback; 1383 1384 fp = &xfer->send.hdr; 1385 fp->mode.wreqb.dest_hi = sdev->target->mgm_hi; 1386 fp->mode.wreqb.dest_lo = sdev->target->mgm_lo; 1387 fp->mode.wreqb.len = 8; 1388 fp->mode.wreqb.extcode = 0; 1389 xfer->send.payload[0] = htonl(nid << 16); 1390 xfer->send.payload[1] = htonl(ocb->bus_addr & 0xffffffff); 1391 SBP_DEBUG(0) 1392 sbp_show_sdev_info(sdev, 2); 1393 printf("mgm orb: %08x\n", (u_int32_t)ocb->bus_addr); 1394 END_DEBUG 1395 1396 fw_asyreq(xfer->fc, -1, xfer); 1397 } 1398 1399 static void 1400 sbp_print_scsi_cmd(struct sbp_ocb *ocb) 1401 { 1402 struct ccb_scsiio *csio; 1403 1404 csio = &ocb->ccb->csio; 1405 printf("%s:%d:%d XPT_SCSI_IO: " 1406 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 1407 ", flags: 0x%02x, " 1408 "%db cmd/%db data/%db sense\n", 1409 device_get_nameunit(ocb->sdev->target->sbp->fd.dev), 1410 ocb->ccb->ccb_h.target_id, ocb->ccb->ccb_h.target_lun, 1411 csio->cdb_io.cdb_bytes[0], 1412 csio->cdb_io.cdb_bytes[1], 1413 csio->cdb_io.cdb_bytes[2], 1414 csio->cdb_io.cdb_bytes[3], 1415 csio->cdb_io.cdb_bytes[4], 1416 csio->cdb_io.cdb_bytes[5], 1417 csio->cdb_io.cdb_bytes[6], 1418 csio->cdb_io.cdb_bytes[7], 1419 csio->cdb_io.cdb_bytes[8], 1420 csio->cdb_io.cdb_bytes[9], 1421 ocb->ccb->ccb_h.flags & CAM_DIR_MASK, 1422 csio->cdb_len, csio->dxfer_len, 1423 csio->sense_len); 1424 } 1425 1426 static void 1427 sbp_scsi_status(struct sbp_status *sbp_status, struct sbp_ocb *ocb) 1428 { 1429 struct sbp_cmd_status *sbp_cmd_status; 1430 struct scsi_sense_data *sense; 1431 1432 sbp_cmd_status = (struct sbp_cmd_status *)sbp_status->data; 1433 sense = &ocb->ccb->csio.sense_data; 1434 1435 SBP_DEBUG(0) 1436 sbp_print_scsi_cmd(ocb); 1437 /* XXX need decode status */ 1438 sbp_show_sdev_info(ocb->sdev, 2); 1439 printf("SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d\n", 1440 sbp_cmd_status->status, 1441 sbp_cmd_status->sfmt, 1442 sbp_cmd_status->valid, 1443 sbp_cmd_status->s_key, 1444 sbp_cmd_status->s_code, 1445 sbp_cmd_status->s_qlfr, 1446 sbp_status->len 1447 ); 1448 END_DEBUG 1449 1450 switch (sbp_cmd_status->status) { 1451 case SCSI_STATUS_CHECK_COND: 1452 case SCSI_STATUS_BUSY: 1453 case SCSI_STATUS_CMD_TERMINATED: 1454 if(sbp_cmd_status->sfmt == SBP_SFMT_CURR){ 1455 sense->error_code = SSD_CURRENT_ERROR; 1456 }else{ 1457 sense->error_code = SSD_DEFERRED_ERROR; 1458 } 1459 if(sbp_cmd_status->valid) 1460 sense->error_code |= SSD_ERRCODE_VALID; 1461 sense->flags = sbp_cmd_status->s_key; 1462 if(sbp_cmd_status->mark) 1463 sense->flags |= SSD_FILEMARK; 1464 if(sbp_cmd_status->eom) 1465 sense->flags |= SSD_EOM; 1466 if(sbp_cmd_status->ill_len) 1467 sense->flags |= SSD_ILI; 1468 1469 bcopy(&sbp_cmd_status->info, &sense->info[0], 4); 1470 1471 if (sbp_status->len <= 1) 1472 /* XXX not scsi status. shouldn't be happened */ 1473 sense->extra_len = 0; 1474 else if (sbp_status->len <= 4) 1475 /* add_sense_code(_qual), info, cmd_spec_info */ 1476 sense->extra_len = 6; 1477 else 1478 /* fru, sense_key_spec */ 1479 sense->extra_len = 10; 1480 1481 bcopy(&sbp_cmd_status->cdb, &sense->cmd_spec_info[0], 4); 1482 1483 sense->add_sense_code = sbp_cmd_status->s_code; 1484 sense->add_sense_code_qual = sbp_cmd_status->s_qlfr; 1485 sense->fru = sbp_cmd_status->fru; 1486 1487 bcopy(&sbp_cmd_status->s_keydep[0], 1488 &sense->sense_key_spec[0], 3); 1489 1490 ocb->ccb->csio.scsi_status = sbp_cmd_status->status;; 1491 ocb->ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR 1492 | CAM_AUTOSNS_VALID; 1493 /* 1494 { 1495 u_int8_t j, *tmp; 1496 tmp = sense; 1497 for( j = 0 ; j < 32 ; j+=8){ 1498 printf("sense %02x%02x %02x%02x %02x%02x %02x%02x\n", 1499 tmp[j], tmp[j+1], tmp[j+2], tmp[j+3], 1500 tmp[j+4], tmp[j+5], tmp[j+6], tmp[j+7]); 1501 } 1502 1503 } 1504 */ 1505 break; 1506 default: 1507 sbp_show_sdev_info(ocb->sdev, 2); 1508 printf("sbp_scsi_status: unknown scsi status 0x%x\n", 1509 sbp_cmd_status->status); 1510 } 1511 } 1512 1513 static void 1514 sbp_fix_inq_data(struct sbp_ocb *ocb) 1515 { 1516 union ccb *ccb; 1517 struct sbp_dev *sdev; 1518 struct scsi_inquiry_data *inq; 1519 1520 ccb = ocb->ccb; 1521 sdev = ocb->sdev; 1522 1523 if (ccb->csio.cdb_io.cdb_bytes[1] & SI_EVPD) 1524 return; 1525 SBP_DEBUG(1) 1526 sbp_show_sdev_info(sdev, 2); 1527 printf("sbp_fix_inq_data\n"); 1528 END_DEBUG 1529 inq = (struct scsi_inquiry_data *) ccb->csio.data_ptr; 1530 switch (SID_TYPE(inq)) { 1531 case T_DIRECT: 1532 #if 0 1533 /* 1534 * XXX Convert Direct Access device to RBC. 1535 * I've never seen FireWire DA devices which support READ_6. 1536 */ 1537 if (SID_TYPE(inq) == T_DIRECT) 1538 inq->device |= T_RBC; /* T_DIRECT == 0 */ 1539 #endif 1540 /* fall through */ 1541 case T_RBC: 1542 /* enable tagged queuing */ 1543 #if 1 1544 inq->flags |= SID_CmdQue; 1545 #endif 1546 /* 1547 * Override vendor/product/revision information. 1548 * Some devices sometimes return strange strings. 1549 */ 1550 #if 1 1551 bcopy(sdev->vendor, inq->vendor, sizeof(inq->vendor)); 1552 bcopy(sdev->product, inq->product, sizeof(inq->product)); 1553 bcopy(sdev->revision+2, inq->revision, sizeof(inq->revision)); 1554 #endif 1555 break; 1556 } 1557 } 1558 1559 static void 1560 sbp_recv1(struct fw_xfer *xfer) 1561 { 1562 struct fw_pkt *rfp; 1563 #if NEED_RESPONSE 1564 struct fw_pkt *sfp; 1565 #endif 1566 struct sbp_softc *sbp; 1567 struct sbp_dev *sdev; 1568 struct sbp_ocb *ocb; 1569 struct sbp_login_res *login_res = NULL; 1570 struct sbp_status *sbp_status; 1571 struct sbp_target *target; 1572 int orb_fun, status_valid0, status_valid, t, l, reset_agent = 0; 1573 u_int32_t addr; 1574 /* 1575 u_int32_t *ld; 1576 ld = xfer->recv.buf; 1577 printf("sbp %x %d %d %08x %08x %08x %08x\n", 1578 xfer->resp, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3])); 1579 printf("sbp %08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 1580 printf("sbp %08x %08x %08x %08x\n", ntohl(ld[8]), ntohl(ld[9]), ntohl(ld[10]), ntohl(ld[11])); 1581 */ 1582 sbp = (struct sbp_softc *)xfer->sc; 1583 if (xfer->resp != 0){ 1584 printf("sbp_recv: xfer->resp = %d\n", xfer->resp); 1585 goto done0; 1586 } 1587 if (xfer->recv.payload == NULL){ 1588 printf("sbp_recv: xfer->recv.payload == NULL\n"); 1589 goto done0; 1590 } 1591 rfp = &xfer->recv.hdr; 1592 if(rfp->mode.wreqb.tcode != FWTCODE_WREQB){ 1593 printf("sbp_recv: tcode = %d\n", rfp->mode.wreqb.tcode); 1594 goto done0; 1595 } 1596 sbp_status = (struct sbp_status *)xfer->recv.payload; 1597 addr = rfp->mode.wreqb.dest_lo; 1598 SBP_DEBUG(2) 1599 printf("received address 0x%x\n", addr); 1600 END_DEBUG 1601 t = SBP_ADDR2TRG(addr); 1602 if (t >= SBP_NUM_TARGETS) { 1603 device_printf(sbp->fd.dev, 1604 "sbp_recv1: invalid target %d\n", t); 1605 goto done0; 1606 } 1607 target = &sbp->targets[t]; 1608 l = SBP_ADDR2LUN(addr); 1609 if (l >= target->num_lun || target->luns[l] == NULL) { 1610 device_printf(sbp->fd.dev, 1611 "sbp_recv1: invalid lun %d (target=%d)\n", l, t); 1612 goto done0; 1613 } 1614 sdev = target->luns[l]; 1615 1616 ocb = NULL; 1617 switch (sbp_status->src) { 1618 case 0: 1619 case 1: 1620 /* check mgm_ocb_cur first */ 1621 ocb = target->mgm_ocb_cur; 1622 if (ocb != NULL) { 1623 if (OCB_MATCH(ocb, sbp_status)) { 1624 callout_stop(&target->mgm_ocb_timeout); 1625 target->mgm_ocb_cur = NULL; 1626 break; 1627 } 1628 } 1629 ocb = sbp_dequeue_ocb(sdev, sbp_status); 1630 if (ocb == NULL) { 1631 sbp_show_sdev_info(sdev, 2); 1632 #if __FreeBSD_version >= 500000 1633 printf("No ocb(%x) on the queue\n", 1634 #else 1635 printf("No ocb(%lx) on the queue\n", 1636 #endif 1637 ntohl(sbp_status->orb_lo)); 1638 } 1639 break; 1640 case 2: 1641 /* unsolicit */ 1642 sbp_show_sdev_info(sdev, 2); 1643 printf("unsolicit status received\n"); 1644 break; 1645 default: 1646 sbp_show_sdev_info(sdev, 2); 1647 printf("unknown sbp_status->src\n"); 1648 } 1649 1650 status_valid0 = (sbp_status->src < 2 1651 && sbp_status->resp == ORB_RES_CMPL 1652 && sbp_status->dead == 0); 1653 status_valid = (status_valid0 && sbp_status->status == 0); 1654 1655 if (!status_valid0 || debug > 2){ 1656 int status; 1657 SBP_DEBUG(0) 1658 sbp_show_sdev_info(sdev, 2); 1659 printf("ORB status src:%x resp:%x dead:%x" 1660 #if __FreeBSD_version >= 500000 1661 " len:%x stat:%x orb:%x%08x\n", 1662 #else 1663 " len:%x stat:%x orb:%x%08lx\n", 1664 #endif 1665 sbp_status->src, sbp_status->resp, sbp_status->dead, 1666 sbp_status->len, sbp_status->status, 1667 ntohs(sbp_status->orb_hi), ntohl(sbp_status->orb_lo)); 1668 END_DEBUG 1669 sbp_show_sdev_info(sdev, 2); 1670 status = sbp_status->status; 1671 switch(sbp_status->resp) { 1672 case 0: 1673 if (status > MAX_ORB_STATUS0) 1674 printf("%s\n", orb_status0[MAX_ORB_STATUS0]); 1675 else 1676 printf("%s\n", orb_status0[status]); 1677 break; 1678 case 1: 1679 printf("Obj: %s, Error: %s\n", 1680 orb_status1_object[(status>>6) & 3], 1681 orb_status1_serial_bus_error[status & 0xf]); 1682 break; 1683 case 2: 1684 printf("Illegal request\n"); 1685 break; 1686 case 3: 1687 printf("Vendor dependent\n"); 1688 break; 1689 default: 1690 printf("unknown respose code %d\n", sbp_status->resp); 1691 } 1692 } 1693 1694 /* we have to reset the fetch agent if it's dead */ 1695 if (sbp_status->dead) { 1696 if (sdev->path) { 1697 xpt_freeze_devq(sdev->path, 1); 1698 sdev->freeze ++; 1699 } 1700 reset_agent = 1; 1701 } 1702 1703 if (ocb == NULL) 1704 goto done; 1705 1706 switch(ntohl(ocb->orb[4]) & ORB_FMT_MSK){ 1707 case ORB_FMT_NOP: 1708 break; 1709 case ORB_FMT_VED: 1710 break; 1711 case ORB_FMT_STD: 1712 switch(ocb->flags) { 1713 case OCB_ACT_MGM: 1714 orb_fun = ntohl(ocb->orb[4]) & ORB_FUN_MSK; 1715 reset_agent = 0; 1716 switch(orb_fun) { 1717 case ORB_FUN_LGI: 1718 fwdma_sync(&sdev->dma, BUS_DMASYNC_POSTREAD); 1719 login_res = sdev->login; 1720 login_res->len = ntohs(login_res->len); 1721 login_res->id = ntohs(login_res->id); 1722 login_res->cmd_hi = ntohs(login_res->cmd_hi); 1723 login_res->cmd_lo = ntohl(login_res->cmd_lo); 1724 if (status_valid) { 1725 SBP_DEBUG(0) 1726 sbp_show_sdev_info(sdev, 2); 1727 printf("login: len %d, ID %d, cmd %08x%08x, recon_hold %d\n", login_res->len, login_res->id, login_res->cmd_hi, login_res->cmd_lo, ntohs(login_res->recon_hold)); 1728 END_DEBUG 1729 sbp_busy_timeout(sdev); 1730 } else { 1731 /* forgot logout? */ 1732 sbp_show_sdev_info(sdev, 2); 1733 printf("login failed\n"); 1734 sdev->status = SBP_DEV_RESET; 1735 } 1736 break; 1737 case ORB_FUN_RCN: 1738 login_res = sdev->login; 1739 if (status_valid) { 1740 SBP_DEBUG(0) 1741 sbp_show_sdev_info(sdev, 2); 1742 printf("reconnect: len %d, ID %d, cmd %08x%08x\n", login_res->len, login_res->id, login_res->cmd_hi, login_res->cmd_lo); 1743 END_DEBUG 1744 #if 1 1745 if (sdev->status == SBP_DEV_ATTACHED) 1746 sbp_scan_dev(sdev); 1747 else 1748 sbp_agent_reset(sdev); 1749 #else 1750 sdev->status = SBP_DEV_ATTACHED; 1751 sbp_mgm_orb(sdev, ORB_FUN_ATS, NULL); 1752 #endif 1753 } else { 1754 /* reconnection hold time exceed? */ 1755 SBP_DEBUG(0) 1756 sbp_show_sdev_info(sdev, 2); 1757 printf("reconnect failed\n"); 1758 END_DEBUG 1759 sbp_login(sdev); 1760 } 1761 break; 1762 case ORB_FUN_LGO: 1763 sdev->status = SBP_DEV_RESET; 1764 break; 1765 case ORB_FUN_RST: 1766 sbp_busy_timeout(sdev); 1767 break; 1768 case ORB_FUN_LUR: 1769 case ORB_FUN_ATA: 1770 case ORB_FUN_ATS: 1771 sbp_agent_reset(sdev); 1772 break; 1773 default: 1774 sbp_show_sdev_info(sdev, 2); 1775 printf("unknown function %d\n", orb_fun); 1776 break; 1777 } 1778 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 1779 break; 1780 case OCB_ACT_CMD: 1781 sdev->timeout = 0; 1782 if(ocb->ccb != NULL){ 1783 union ccb *ccb; 1784 /* 1785 u_int32_t *ld; 1786 ld = ocb->ccb->csio.data_ptr; 1787 if(ld != NULL && ocb->ccb->csio.dxfer_len != 0) 1788 printf("ptr %08x %08x %08x %08x\n", ld[0], ld[1], ld[2], ld[3]); 1789 else 1790 printf("ptr NULL\n"); 1791 printf("len %d\n", sbp_status->len); 1792 */ 1793 ccb = ocb->ccb; 1794 if(sbp_status->len > 1){ 1795 sbp_scsi_status(sbp_status, ocb); 1796 }else{ 1797 if(sbp_status->resp != ORB_RES_CMPL){ 1798 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1799 }else{ 1800 ccb->ccb_h.status = CAM_REQ_CMP; 1801 } 1802 } 1803 /* fix up inq data */ 1804 if (ccb->csio.cdb_io.cdb_bytes[0] == INQUIRY) 1805 sbp_fix_inq_data(ocb); 1806 xpt_done(ccb); 1807 } 1808 break; 1809 default: 1810 break; 1811 } 1812 } 1813 1814 sbp_free_ocb(sdev, ocb); 1815 done: 1816 if (reset_agent) 1817 sbp_agent_reset(sdev); 1818 1819 done0: 1820 xfer->recv.pay_len = SBP_RECV_LEN; 1821 /* The received packet is usually small enough to be stored within 1822 * the buffer. In that case, the controller return ack_complete and 1823 * no respose is necessary. 1824 * 1825 * XXX fwohci.c and firewire.c should inform event_code such as 1826 * ack_complete or ack_pending to upper driver. 1827 */ 1828 #if NEED_RESPONSE 1829 xfer->send.off = 0; 1830 sfp = (struct fw_pkt *)xfer->send.buf; 1831 sfp->mode.wres.dst = rfp->mode.wreqb.src; 1832 xfer->dst = sfp->mode.wres.dst; 1833 xfer->spd = min(sdev->target->fwdev->speed, max_speed); 1834 xfer->act.hand = sbp_loginres_callback; 1835 xfer->retry_req = fw_asybusy; 1836 1837 sfp->mode.wres.tlrt = rfp->mode.wreqb.tlrt; 1838 sfp->mode.wres.tcode = FWTCODE_WRES; 1839 sfp->mode.wres.rtcode = 0; 1840 sfp->mode.wres.pri = 0; 1841 1842 fw_asyreq(xfer->fc, -1, xfer); 1843 #else 1844 /* recycle */ 1845 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link); 1846 #endif 1847 1848 return; 1849 1850 } 1851 1852 static void 1853 sbp_recv(struct fw_xfer *xfer) 1854 { 1855 int s; 1856 1857 s = splcam(); 1858 sbp_recv1(xfer); 1859 splx(s); 1860 } 1861 /* 1862 * sbp_attach() 1863 */ 1864 static int 1865 sbp_attach(device_t dev) 1866 { 1867 struct sbp_softc *sbp; 1868 struct cam_devq *devq; 1869 struct fw_xfer *xfer; 1870 int i, s, error; 1871 1872 SBP_DEBUG(0) 1873 printf("sbp_attach (cold=%d)\n", cold); 1874 END_DEBUG 1875 1876 if (cold) 1877 sbp_cold ++; 1878 sbp = ((struct sbp_softc *)device_get_softc(dev)); 1879 bzero(sbp, sizeof(struct sbp_softc)); 1880 sbp->fd.dev = dev; 1881 sbp->fd.fc = device_get_ivars(dev); 1882 1883 if (max_speed < 0) 1884 max_speed = sbp->fd.fc->speed; 1885 1886 error = bus_dma_tag_create(/*parent*/sbp->fd.fc->dmat, 1887 /* XXX shoud be 4 for sane backend? */ 1888 /*alignment*/1, 1889 /*boundary*/0, 1890 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, 1891 /*highaddr*/BUS_SPACE_MAXADDR, 1892 /*filter*/NULL, /*filterarg*/NULL, 1893 /*maxsize*/0x100000, /*nsegments*/SBP_IND_MAX, 1894 /*maxsegsz*/SBP_SEG_MAX, 1895 /*flags*/BUS_DMA_ALLOCNOW, 1896 #if __FreeBSD_version >= 501102 1897 /*lockfunc*/busdma_lock_mutex, 1898 /*lockarg*/&Giant, 1899 #endif 1900 &sbp->dmat); 1901 if (error != 0) { 1902 printf("sbp_attach: Could not allocate DMA tag " 1903 "- error %d\n", error); 1904 return (ENOMEM); 1905 } 1906 1907 devq = cam_simq_alloc(/*maxopenings*/SBP_NUM_OCB); 1908 if (devq == NULL) 1909 return (ENXIO); 1910 1911 for( i = 0 ; i < SBP_NUM_TARGETS ; i++){ 1912 sbp->targets[i].fwdev = NULL; 1913 sbp->targets[i].luns = NULL; 1914 } 1915 1916 sbp->sim = cam_sim_alloc(sbp_action, sbp_poll, "sbp", sbp, 1917 device_get_unit(dev), 1918 /*untagged*/ 1, 1919 /*tagged*/ SBP_QUEUE_LEN - 1, 1920 devq); 1921 1922 if (sbp->sim == NULL) { 1923 cam_simq_free(devq); 1924 return (ENXIO); 1925 } 1926 1927 1928 if (xpt_bus_register(sbp->sim, /*bus*/0) != CAM_SUCCESS) 1929 goto fail; 1930 1931 if (xpt_create_path(&sbp->path, xpt_periph, cam_sim_path(sbp->sim), 1932 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 1933 xpt_bus_deregister(cam_sim_path(sbp->sim)); 1934 goto fail; 1935 } 1936 1937 /* We reserve 16 bit space (4 bytes X 64 targets X 256 luns) */ 1938 sbp->fwb.start = ((u_int64_t)SBP_BIND_HI << 32) | SBP_DEV2ADDR(0, 0); 1939 sbp->fwb.end = sbp->fwb.start + 0xffff; 1940 sbp->fwb.act_type = FWACT_XFER; 1941 /* pre-allocate xfer */ 1942 STAILQ_INIT(&sbp->fwb.xferlist); 1943 for (i = 0; i < SBP_NUM_OCB/2; i ++) { 1944 xfer = fw_xfer_alloc_buf(M_SBP, 1945 /* send */0, 1946 /* recv */SBP_RECV_LEN); 1947 xfer->act.hand = sbp_recv; 1948 #if NEED_RESPONSE 1949 xfer->fc = sbp->fd.fc; 1950 #endif 1951 xfer->sc = (caddr_t)sbp; 1952 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link); 1953 } 1954 fw_bindadd(sbp->fd.fc, &sbp->fwb); 1955 1956 sbp->fd.post_busreset = sbp_post_busreset; 1957 sbp->fd.post_explore = sbp_post_explore; 1958 1959 if (sbp->fd.fc->status != -1) { 1960 s = splfw(); 1961 sbp_post_busreset((void *)sbp); 1962 sbp_post_explore((void *)sbp); 1963 splx(s); 1964 } 1965 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL); 1966 1967 return (0); 1968 fail: 1969 cam_sim_free(sbp->sim, /*free_devq*/TRUE); 1970 return (ENXIO); 1971 } 1972 1973 static int 1974 sbp_logout_all(struct sbp_softc *sbp) 1975 { 1976 struct sbp_target *target; 1977 struct sbp_dev *sdev; 1978 int i, j; 1979 1980 SBP_DEBUG(0) 1981 printf("sbp_logout_all\n"); 1982 END_DEBUG 1983 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) { 1984 target = &sbp->targets[i]; 1985 if (target->luns == NULL) 1986 continue; 1987 for (j = 0; j < target->num_lun; j++) { 1988 sdev = target->luns[j]; 1989 if (sdev == NULL) 1990 continue; 1991 callout_stop(&sdev->login_callout); 1992 if (sdev->status >= SBP_DEV_TOATTACH && 1993 sdev->status <= SBP_DEV_ATTACHED) 1994 sbp_mgm_orb(sdev, ORB_FUN_LGO, NULL); 1995 } 1996 } 1997 1998 return 0; 1999 } 2000 2001 static int 2002 sbp_shutdown(device_t dev) 2003 { 2004 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 2005 2006 sbp_logout_all(sbp); 2007 return (0); 2008 } 2009 2010 static void 2011 sbp_free_sdev(struct sbp_dev *sdev) 2012 { 2013 int i; 2014 2015 if (sdev == NULL) 2016 return; 2017 for (i = 0; i < SBP_QUEUE_LEN; i++) 2018 bus_dmamap_destroy(sdev->target->sbp->dmat, 2019 sdev->ocb[i].dmamap); 2020 fwdma_free(sdev->target->sbp->fd.fc, &sdev->dma); 2021 free(sdev, M_SBP); 2022 } 2023 2024 static void 2025 sbp_free_target(struct sbp_target *target) 2026 { 2027 struct sbp_softc *sbp; 2028 struct fw_xfer *xfer, *next; 2029 int i; 2030 2031 if (target->luns == NULL) 2032 return; 2033 callout_stop(&target->mgm_ocb_timeout); 2034 sbp = target->sbp; 2035 for (i = 0; i < target->num_lun; i++) 2036 sbp_free_sdev(target->luns[i]); 2037 2038 for (xfer = STAILQ_FIRST(&target->xferlist); 2039 xfer != NULL; xfer = next) { 2040 next = STAILQ_NEXT(xfer, link); 2041 fw_xfer_free_buf(xfer); 2042 } 2043 STAILQ_INIT(&target->xferlist); 2044 free(target->luns, M_SBP); 2045 target->num_lun = 0;; 2046 target->luns = NULL; 2047 target->fwdev = NULL; 2048 } 2049 2050 static int 2051 sbp_detach(device_t dev) 2052 { 2053 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 2054 struct firewire_comm *fc = sbp->fd.fc; 2055 struct fw_xfer *xfer, *next; 2056 int i; 2057 2058 SBP_DEBUG(0) 2059 printf("sbp_detach\n"); 2060 END_DEBUG 2061 2062 for (i = 0; i < SBP_NUM_TARGETS; i ++) 2063 sbp_cam_detach_target(&sbp->targets[i]); 2064 xpt_async(AC_LOST_DEVICE, sbp->path, NULL); 2065 xpt_free_path(sbp->path); 2066 xpt_bus_deregister(cam_sim_path(sbp->sim)); 2067 cam_sim_free(sbp->sim, /*free_devq*/ TRUE), 2068 2069 sbp_logout_all(sbp); 2070 2071 /* XXX wait for logout completion */ 2072 tsleep(&i, FWPRI, "sbpdtc", hz/2); 2073 2074 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) 2075 sbp_free_target(&sbp->targets[i]); 2076 2077 for (xfer = STAILQ_FIRST(&sbp->fwb.xferlist); 2078 xfer != NULL; xfer = next) { 2079 next = STAILQ_NEXT(xfer, link); 2080 fw_xfer_free_buf(xfer); 2081 } 2082 STAILQ_INIT(&sbp->fwb.xferlist); 2083 fw_bindremove(fc, &sbp->fwb); 2084 2085 bus_dma_tag_destroy(sbp->dmat); 2086 2087 return (0); 2088 } 2089 2090 static void 2091 sbp_cam_detach_sdev(struct sbp_dev *sdev) 2092 { 2093 if (sdev == NULL) 2094 return; 2095 if (sdev->status == SBP_DEV_DEAD) 2096 return; 2097 if (sdev->status == SBP_DEV_RESET) 2098 return; 2099 if (sdev->path) { 2100 xpt_release_devq(sdev->path, 2101 sdev->freeze, TRUE); 2102 sdev->freeze = 0; 2103 xpt_async(AC_LOST_DEVICE, sdev->path, NULL); 2104 xpt_free_path(sdev->path); 2105 sdev->path = NULL; 2106 } 2107 sbp_abort_all_ocbs(sdev, CAM_DEV_NOT_THERE); 2108 } 2109 2110 static void 2111 sbp_cam_detach_target(struct sbp_target *target) 2112 { 2113 int i; 2114 2115 if (target->luns != NULL) { 2116 SBP_DEBUG(0) 2117 printf("sbp_detach_target %d\n", target->target_id); 2118 END_DEBUG 2119 callout_stop(&target->scan_callout); 2120 for (i = 0; i < target->num_lun; i++) 2121 sbp_cam_detach_sdev(target->luns[i]); 2122 } 2123 } 2124 2125 static void 2126 sbp_target_reset(struct sbp_dev *sdev, int method) 2127 { 2128 int i; 2129 struct sbp_target *target = sdev->target; 2130 struct sbp_dev *tsdev; 2131 2132 for (i = 0; i < target->num_lun; i++) { 2133 tsdev = target->luns[i]; 2134 if (tsdev == NULL) 2135 continue; 2136 if (tsdev->status == SBP_DEV_DEAD) 2137 continue; 2138 if (tsdev->status == SBP_DEV_RESET) 2139 continue; 2140 xpt_freeze_devq(tsdev->path, 1); 2141 tsdev->freeze ++; 2142 sbp_abort_all_ocbs(tsdev, CAM_CMD_TIMEOUT); 2143 if (method == 2) 2144 tsdev->status = SBP_DEV_LOGIN; 2145 } 2146 switch(method) { 2147 case 1: 2148 printf("target reset\n"); 2149 sbp_mgm_orb(sdev, ORB_FUN_RST, NULL); 2150 break; 2151 case 2: 2152 printf("reset start\n"); 2153 sbp_reset_start(sdev); 2154 break; 2155 } 2156 2157 } 2158 2159 static void 2160 sbp_mgm_timeout(void *arg) 2161 { 2162 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 2163 struct sbp_dev *sdev = ocb->sdev; 2164 struct sbp_target *target = sdev->target; 2165 2166 sbp_show_sdev_info(sdev, 2); 2167 printf("request timeout(mgm orb:0x%08x) ... ", 2168 (u_int32_t)ocb->bus_addr); 2169 target->mgm_ocb_cur = NULL; 2170 sbp_free_ocb(sdev, ocb); 2171 #if 0 2172 /* XXX */ 2173 printf("run next request\n"); 2174 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 2175 #endif 2176 #if 1 2177 printf("reset start\n"); 2178 sbp_reset_start(sdev); 2179 #endif 2180 } 2181 2182 static void 2183 sbp_timeout(void *arg) 2184 { 2185 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 2186 struct sbp_dev *sdev = ocb->sdev; 2187 2188 sbp_show_sdev_info(sdev, 2); 2189 printf("request timeout(cmd orb:0x%08x) ... ", 2190 (u_int32_t)ocb->bus_addr); 2191 2192 sdev->timeout ++; 2193 switch(sdev->timeout) { 2194 case 1: 2195 printf("agent reset\n"); 2196 xpt_freeze_devq(sdev->path, 1); 2197 sdev->freeze ++; 2198 sbp_abort_all_ocbs(sdev, CAM_CMD_TIMEOUT); 2199 sbp_agent_reset(sdev); 2200 break; 2201 case 2: 2202 case 3: 2203 sbp_target_reset(sdev, sdev->timeout - 1); 2204 break; 2205 #if 0 2206 default: 2207 /* XXX give up */ 2208 sbp_cam_detach_target(target); 2209 if (target->luns != NULL) 2210 free(target->luns, M_SBP); 2211 target->num_lun = 0;; 2212 target->luns = NULL; 2213 target->fwdev = NULL; 2214 #endif 2215 } 2216 } 2217 2218 static void 2219 sbp_action1(struct cam_sim *sim, union ccb *ccb) 2220 { 2221 2222 struct sbp_softc *sbp = (struct sbp_softc *)sim->softc; 2223 struct sbp_target *target = NULL; 2224 struct sbp_dev *sdev = NULL; 2225 2226 /* target:lun -> sdev mapping */ 2227 if (sbp != NULL 2228 && ccb->ccb_h.target_id != CAM_TARGET_WILDCARD 2229 && ccb->ccb_h.target_id < SBP_NUM_TARGETS) { 2230 target = &sbp->targets[ccb->ccb_h.target_id]; 2231 if (target->fwdev != NULL 2232 && ccb->ccb_h.target_lun != CAM_LUN_WILDCARD 2233 && ccb->ccb_h.target_lun < target->num_lun) { 2234 sdev = target->luns[ccb->ccb_h.target_lun]; 2235 if (sdev != NULL && sdev->status != SBP_DEV_ATTACHED && 2236 sdev->status != SBP_DEV_PROBE) 2237 sdev = NULL; 2238 } 2239 } 2240 2241 SBP_DEBUG(1) 2242 if (sdev == NULL) 2243 printf("invalid target %d lun %d\n", 2244 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2245 END_DEBUG 2246 2247 switch (ccb->ccb_h.func_code) { 2248 case XPT_SCSI_IO: 2249 case XPT_RESET_DEV: 2250 case XPT_GET_TRAN_SETTINGS: 2251 case XPT_SET_TRAN_SETTINGS: 2252 case XPT_CALC_GEOMETRY: 2253 if (sdev == NULL) { 2254 SBP_DEBUG(1) 2255 printf("%s:%d:%d:func_code 0x%04x: " 2256 "Invalid target (target needed)\n", 2257 device_get_nameunit(sbp->fd.dev), 2258 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2259 ccb->ccb_h.func_code); 2260 END_DEBUG 2261 2262 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2263 xpt_done(ccb); 2264 return; 2265 } 2266 break; 2267 case XPT_PATH_INQ: 2268 case XPT_NOOP: 2269 /* The opcodes sometimes aimed at a target (sc is valid), 2270 * sometimes aimed at the SIM (sc is invalid and target is 2271 * CAM_TARGET_WILDCARD) 2272 */ 2273 if (sbp == NULL && 2274 ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) { 2275 SBP_DEBUG(0) 2276 printf("%s:%d:%d func_code 0x%04x: " 2277 "Invalid target (no wildcard)\n", 2278 device_get_nameunit(sbp->fd.dev), 2279 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2280 ccb->ccb_h.func_code); 2281 END_DEBUG 2282 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2283 xpt_done(ccb); 2284 return; 2285 } 2286 break; 2287 default: 2288 /* XXX Hm, we should check the input parameters */ 2289 break; 2290 } 2291 2292 switch (ccb->ccb_h.func_code) { 2293 case XPT_SCSI_IO: 2294 { 2295 struct ccb_scsiio *csio; 2296 struct sbp_ocb *ocb; 2297 int speed; 2298 void *cdb; 2299 2300 csio = &ccb->csio; 2301 2302 SBP_DEBUG(2) 2303 printf("%s:%d:%d XPT_SCSI_IO: " 2304 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 2305 ", flags: 0x%02x, " 2306 "%db cmd/%db data/%db sense\n", 2307 device_get_nameunit(sbp->fd.dev), 2308 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2309 csio->cdb_io.cdb_bytes[0], 2310 csio->cdb_io.cdb_bytes[1], 2311 csio->cdb_io.cdb_bytes[2], 2312 csio->cdb_io.cdb_bytes[3], 2313 csio->cdb_io.cdb_bytes[4], 2314 csio->cdb_io.cdb_bytes[5], 2315 csio->cdb_io.cdb_bytes[6], 2316 csio->cdb_io.cdb_bytes[7], 2317 csio->cdb_io.cdb_bytes[8], 2318 csio->cdb_io.cdb_bytes[9], 2319 ccb->ccb_h.flags & CAM_DIR_MASK, 2320 csio->cdb_len, csio->dxfer_len, 2321 csio->sense_len); 2322 END_DEBUG 2323 if(sdev == NULL){ 2324 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2325 xpt_done(ccb); 2326 return; 2327 } 2328 #if 0 2329 /* if we are in probe stage, pass only probe commands */ 2330 if (sdev->status == SBP_DEV_PROBE) { 2331 char *name; 2332 name = xpt_path_periph(ccb->ccb_h.path)->periph_name; 2333 printf("probe stage, periph name: %s\n", name); 2334 if (strcmp(name, "probe") != 0) { 2335 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2336 xpt_done(ccb); 2337 return; 2338 } 2339 } 2340 #endif 2341 if ((ocb = sbp_get_ocb(sdev)) == NULL) { 2342 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2343 xpt_done(ccb); 2344 return; 2345 } 2346 2347 ocb->flags = OCB_ACT_CMD; 2348 ocb->sdev = sdev; 2349 ocb->ccb = ccb; 2350 ccb->ccb_h.ccb_sdev_ptr = sdev; 2351 ocb->orb[0] = htonl(1 << 31); 2352 ocb->orb[1] = 0; 2353 ocb->orb[2] = htonl(((sbp->fd.fc->nodeid | FWLOCALBUS )<< 16) ); 2354 ocb->orb[3] = htonl(ocb->bus_addr + IND_PTR_OFFSET); 2355 speed = min(target->fwdev->speed, max_speed); 2356 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_CMD_SPD(speed) 2357 | ORB_CMD_MAXP(speed + 7)); 2358 if((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN){ 2359 ocb->orb[4] |= htonl(ORB_CMD_IN); 2360 } 2361 2362 if (csio->ccb_h.flags & CAM_SCATTER_VALID) 2363 printf("sbp: CAM_SCATTER_VALID\n"); 2364 if (csio->ccb_h.flags & CAM_DATA_PHYS) 2365 printf("sbp: CAM_DATA_PHYS\n"); 2366 2367 if (csio->ccb_h.flags & CAM_CDB_POINTER) 2368 cdb = (void *)csio->cdb_io.cdb_ptr; 2369 else 2370 cdb = (void *)&csio->cdb_io.cdb_bytes; 2371 bcopy(cdb, (void *)&ocb->orb[5], csio->cdb_len); 2372 /* 2373 printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[0]), ntohl(ocb->orb[1]), ntohl(ocb->orb[2]), ntohl(ocb->orb[3])); 2374 printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[4]), ntohl(ocb->orb[5]), ntohl(ocb->orb[6]), ntohl(ocb->orb[7])); 2375 */ 2376 if (ccb->csio.dxfer_len > 0) { 2377 int s, error; 2378 2379 s = splsoftvm(); 2380 error = bus_dmamap_load(/*dma tag*/sbp->dmat, 2381 /*dma map*/ocb->dmamap, 2382 ccb->csio.data_ptr, 2383 ccb->csio.dxfer_len, 2384 sbp_execute_ocb, 2385 ocb, 2386 /*flags*/0); 2387 splx(s); 2388 if (error) 2389 printf("sbp: bus_dmamap_load error %d\n", error); 2390 } else 2391 sbp_execute_ocb(ocb, NULL, 0, 0); 2392 break; 2393 } 2394 case XPT_CALC_GEOMETRY: 2395 { 2396 struct ccb_calc_geometry *ccg; 2397 #if __FreeBSD_version < 501100 2398 u_int32_t size_mb; 2399 u_int32_t secs_per_cylinder; 2400 int extended = 1; 2401 #endif 2402 2403 ccg = &ccb->ccg; 2404 if (ccg->block_size == 0) { 2405 printf("sbp_action1: block_size is 0.\n"); 2406 ccb->ccb_h.status = CAM_REQ_INVALID; 2407 xpt_done(ccb); 2408 break; 2409 } 2410 SBP_DEBUG(1) 2411 printf("%s:%d:%d:%d:XPT_CALC_GEOMETRY: " 2412 #if __FreeBSD_version >= 500000 2413 "Volume size = %jd\n", 2414 #else 2415 "Volume size = %d\n", 2416 #endif 2417 device_get_nameunit(sbp->fd.dev), 2418 cam_sim_path(sbp->sim), 2419 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2420 #if __FreeBSD_version >= 500000 2421 (uintmax_t) 2422 #endif 2423 ccg->volume_size); 2424 END_DEBUG 2425 2426 #if __FreeBSD_version < 501100 2427 size_mb = ccg->volume_size 2428 / ((1024L * 1024L) / ccg->block_size); 2429 2430 if (size_mb > 1024 && extended) { 2431 ccg->heads = 255; 2432 ccg->secs_per_track = 63; 2433 } else { 2434 ccg->heads = 64; 2435 ccg->secs_per_track = 32; 2436 } 2437 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 2438 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 2439 ccb->ccb_h.status = CAM_REQ_CMP; 2440 #else 2441 cam_calc_geometry(ccg, /*extended*/1); 2442 #endif 2443 xpt_done(ccb); 2444 break; 2445 } 2446 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 2447 { 2448 2449 SBP_DEBUG(1) 2450 printf("%s:%d:XPT_RESET_BUS: \n", 2451 device_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim)); 2452 END_DEBUG 2453 2454 ccb->ccb_h.status = CAM_REQ_INVALID; 2455 xpt_done(ccb); 2456 break; 2457 } 2458 case XPT_PATH_INQ: /* Path routing inquiry */ 2459 { 2460 struct ccb_pathinq *cpi = &ccb->cpi; 2461 2462 SBP_DEBUG(1) 2463 printf("%s:%d:%d XPT_PATH_INQ:.\n", 2464 device_get_nameunit(sbp->fd.dev), 2465 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2466 END_DEBUG 2467 cpi->version_num = 1; /* XXX??? */ 2468 cpi->hba_inquiry = PI_TAG_ABLE; 2469 cpi->target_sprt = 0; 2470 cpi->hba_misc = PIM_NOBUSRESET | PIM_NO_6_BYTE; 2471 cpi->hba_eng_cnt = 0; 2472 cpi->max_target = SBP_NUM_TARGETS - 1; 2473 cpi->max_lun = SBP_NUM_LUNS - 1; 2474 cpi->initiator_id = SBP_INITIATOR; 2475 cpi->bus_id = sim->bus_id; 2476 cpi->base_transfer_speed = 400 * 1000 / 8; 2477 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 2478 strncpy(cpi->hba_vid, "SBP", HBA_IDLEN); 2479 strncpy(cpi->dev_name, sim->sim_name, DEV_IDLEN); 2480 cpi->unit_number = sim->unit_number; 2481 2482 cpi->ccb_h.status = CAM_REQ_CMP; 2483 xpt_done(ccb); 2484 break; 2485 } 2486 case XPT_GET_TRAN_SETTINGS: 2487 { 2488 struct ccb_trans_settings *cts = &ccb->cts; 2489 SBP_DEBUG(1) 2490 printf("%s:%d:%d XPT_GET_TRAN_SETTINGS:.\n", 2491 device_get_nameunit(sbp->fd.dev), 2492 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2493 END_DEBUG 2494 /* Enable disconnect and tagged queuing */ 2495 cts->valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID; 2496 cts->flags = CCB_TRANS_DISC_ENB | CCB_TRANS_TAG_ENB; 2497 2498 cts->ccb_h.status = CAM_REQ_CMP; 2499 xpt_done(ccb); 2500 break; 2501 } 2502 case XPT_ABORT: 2503 ccb->ccb_h.status = CAM_UA_ABORT; 2504 xpt_done(ccb); 2505 break; 2506 case XPT_SET_TRAN_SETTINGS: 2507 /* XXX */ 2508 default: 2509 ccb->ccb_h.status = CAM_REQ_INVALID; 2510 xpt_done(ccb); 2511 break; 2512 } 2513 return; 2514 } 2515 2516 static void 2517 sbp_action(struct cam_sim *sim, union ccb *ccb) 2518 { 2519 int s; 2520 2521 s = splfw(); 2522 sbp_action1(sim, ccb); 2523 splx(s); 2524 } 2525 2526 static void 2527 sbp_execute_ocb(void *arg, bus_dma_segment_t *segments, int seg, int error) 2528 { 2529 int i; 2530 struct sbp_ocb *ocb; 2531 struct sbp_ocb *prev; 2532 bus_dma_segment_t *s; 2533 2534 if (error) 2535 printf("sbp_execute_ocb: error=%d\n", error); 2536 2537 ocb = (struct sbp_ocb *)arg; 2538 2539 SBP_DEBUG(2) 2540 printf("sbp_execute_ocb: seg %d", seg); 2541 for (i = 0; i < seg; i++) 2542 #if __FreeBSD_version >= 500000 2543 printf(", %jx:%jd", (uintmax_t)segments[i].ds_addr, 2544 (uintmax_t)segments[i].ds_len); 2545 #else 2546 printf(", %x:%d", segments[i].ds_addr, segments[i].ds_len); 2547 #endif 2548 printf("\n"); 2549 END_DEBUG 2550 2551 if (seg == 1) { 2552 /* direct pointer */ 2553 s = &segments[0]; 2554 if (s->ds_len > SBP_SEG_MAX) 2555 panic("ds_len > SBP_SEG_MAX, fix busdma code"); 2556 ocb->orb[3] = htonl(s->ds_addr); 2557 ocb->orb[4] |= htonl(s->ds_len); 2558 } else if(seg > 1) { 2559 /* page table */ 2560 for (i = 0; i < seg; i++) { 2561 s = &segments[i]; 2562 SBP_DEBUG(0) 2563 /* XXX LSI Logic "< 16 byte" bug might be hit */ 2564 if (s->ds_len < 16) 2565 printf("sbp_execute_ocb: warning, " 2566 #if __FreeBSD_version >= 500000 2567 "segment length(%zd) is less than 16." 2568 #else 2569 "segment length(%d) is less than 16." 2570 #endif 2571 "(seg=%d/%d)\n", s->ds_len, i+1, seg); 2572 END_DEBUG 2573 if (s->ds_len > SBP_SEG_MAX) 2574 panic("ds_len > SBP_SEG_MAX, fix busdma code"); 2575 ocb->ind_ptr[i].hi = htonl(s->ds_len << 16); 2576 ocb->ind_ptr[i].lo = htonl(s->ds_addr); 2577 } 2578 ocb->orb[4] |= htonl(ORB_CMD_PTBL | seg); 2579 } 2580 2581 if (seg > 0) 2582 bus_dmamap_sync(ocb->sdev->target->sbp->dmat, ocb->dmamap, 2583 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2584 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE); 2585 prev = sbp_enqueue_ocb(ocb->sdev, ocb); 2586 fwdma_sync(&ocb->sdev->dma, BUS_DMASYNC_PREWRITE); 2587 if (prev == NULL || (ocb->sdev->flags & ORB_LINK_DEAD) != 0) { 2588 ocb->sdev->flags &= ~ORB_LINK_DEAD; 2589 sbp_orb_pointer(ocb->sdev, ocb); 2590 } 2591 } 2592 2593 static void 2594 sbp_poll(struct cam_sim *sim) 2595 { 2596 struct sbp_softc *sbp; 2597 struct firewire_comm *fc; 2598 2599 sbp = (struct sbp_softc *)sim->softc; 2600 fc = sbp->fd.fc; 2601 2602 fc->poll(fc, 0, -1); 2603 2604 return; 2605 } 2606 2607 static struct sbp_ocb * 2608 sbp_dequeue_ocb(struct sbp_dev *sdev, struct sbp_status *sbp_status) 2609 { 2610 struct sbp_ocb *ocb; 2611 struct sbp_ocb *next; 2612 int s = splfw(), order = 0; 2613 int flags; 2614 2615 SBP_DEBUG(1) 2616 sbp_show_sdev_info(sdev, 2); 2617 #if __FreeBSD_version >= 500000 2618 printf("%s: 0x%08x src %d\n", 2619 #else 2620 printf("%s: 0x%08lx src %d\n", 2621 #endif 2622 __FUNCTION__, ntohl(sbp_status->orb_lo), sbp_status->src); 2623 END_DEBUG 2624 for (ocb = STAILQ_FIRST(&sdev->ocbs); ocb != NULL; ocb = next) { 2625 next = STAILQ_NEXT(ocb, ocb); 2626 flags = ocb->flags; 2627 if (OCB_MATCH(ocb, sbp_status)) { 2628 /* found */ 2629 STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb); 2630 if (ocb->ccb != NULL) 2631 untimeout(sbp_timeout, (caddr_t)ocb, 2632 ocb->ccb->ccb_h.timeout_ch); 2633 if (ntohl(ocb->orb[4]) & 0xffff) { 2634 bus_dmamap_sync(sdev->target->sbp->dmat, 2635 ocb->dmamap, 2636 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2637 BUS_DMASYNC_POSTREAD : 2638 BUS_DMASYNC_POSTWRITE); 2639 bus_dmamap_unload(sdev->target->sbp->dmat, 2640 ocb->dmamap); 2641 } 2642 if (sbp_status->src == SRC_NO_NEXT) { 2643 if (next != NULL) 2644 sbp_orb_pointer(sdev, next); 2645 else if (order > 0) { 2646 /* 2647 * Unordered execution 2648 * We need to send pointer for 2649 * next ORB 2650 */ 2651 sdev->flags |= ORB_LINK_DEAD; 2652 } 2653 } 2654 break; 2655 } else 2656 order ++; 2657 } 2658 splx(s); 2659 SBP_DEBUG(0) 2660 if (ocb && order > 0) { 2661 sbp_show_sdev_info(sdev, 2); 2662 printf("unordered execution order:%d\n", order); 2663 } 2664 END_DEBUG 2665 return (ocb); 2666 } 2667 2668 static struct sbp_ocb * 2669 sbp_enqueue_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 2670 { 2671 int s = splfw(); 2672 struct sbp_ocb *prev; 2673 2674 SBP_DEBUG(1) 2675 sbp_show_sdev_info(sdev, 2); 2676 #if __FreeBSD_version >= 500000 2677 printf("%s: 0x%08jx\n", __FUNCTION__, (uintmax_t)ocb->bus_addr); 2678 #else 2679 printf("%s: 0x%08x\n", __FUNCTION__, ocb->bus_addr); 2680 #endif 2681 END_DEBUG 2682 prev = STAILQ_LAST(&sdev->ocbs, sbp_ocb, ocb); 2683 STAILQ_INSERT_TAIL(&sdev->ocbs, ocb, ocb); 2684 2685 if (ocb->ccb != NULL) 2686 ocb->ccb->ccb_h.timeout_ch = timeout(sbp_timeout, (caddr_t)ocb, 2687 (ocb->ccb->ccb_h.timeout * hz) / 1000); 2688 2689 if (prev != NULL) { 2690 SBP_DEBUG(2) 2691 #if __FreeBSD_version >= 500000 2692 printf("linking chain 0x%jx -> 0x%jx\n", 2693 (uintmax_t)prev->bus_addr, (uintmax_t)ocb->bus_addr); 2694 #else 2695 printf("linking chain 0x%x -> 0x%x\n", 2696 prev->bus_addr, ocb->bus_addr); 2697 #endif 2698 END_DEBUG 2699 prev->orb[1] = htonl(ocb->bus_addr); 2700 prev->orb[0] = 0; 2701 } 2702 splx(s); 2703 2704 return prev; 2705 } 2706 2707 static struct sbp_ocb * 2708 sbp_get_ocb(struct sbp_dev *sdev) 2709 { 2710 struct sbp_ocb *ocb; 2711 int s = splfw(); 2712 ocb = STAILQ_FIRST(&sdev->free_ocbs); 2713 if (ocb == NULL) { 2714 printf("ocb shortage!!!\n"); 2715 return NULL; 2716 } 2717 STAILQ_REMOVE_HEAD(&sdev->free_ocbs, ocb); 2718 splx(s); 2719 ocb->ccb = NULL; 2720 return (ocb); 2721 } 2722 2723 static void 2724 sbp_free_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 2725 { 2726 ocb->flags = 0; 2727 ocb->ccb = NULL; 2728 STAILQ_INSERT_TAIL(&sdev->free_ocbs, ocb, ocb); 2729 } 2730 2731 static void 2732 sbp_abort_ocb(struct sbp_ocb *ocb, int status) 2733 { 2734 struct sbp_dev *sdev; 2735 2736 sdev = ocb->sdev; 2737 SBP_DEBUG(0) 2738 sbp_show_sdev_info(sdev, 2); 2739 #if __FreeBSD_version >= 500000 2740 printf("sbp_abort_ocb 0x%jx\n", (uintmax_t)ocb->bus_addr); 2741 #else 2742 printf("sbp_abort_ocb 0x%x\n", ocb->bus_addr); 2743 #endif 2744 END_DEBUG 2745 SBP_DEBUG(1) 2746 if (ocb->ccb != NULL) 2747 sbp_print_scsi_cmd(ocb); 2748 END_DEBUG 2749 if (ntohl(ocb->orb[4]) & 0xffff) { 2750 bus_dmamap_sync(sdev->target->sbp->dmat, ocb->dmamap, 2751 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2752 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 2753 bus_dmamap_unload(sdev->target->sbp->dmat, ocb->dmamap); 2754 } 2755 if (ocb->ccb != NULL) { 2756 untimeout(sbp_timeout, (caddr_t)ocb, 2757 ocb->ccb->ccb_h.timeout_ch); 2758 ocb->ccb->ccb_h.status = status; 2759 xpt_done(ocb->ccb); 2760 } 2761 sbp_free_ocb(sdev, ocb); 2762 } 2763 2764 static void 2765 sbp_abort_all_ocbs(struct sbp_dev *sdev, int status) 2766 { 2767 int s; 2768 struct sbp_ocb *ocb, *next; 2769 STAILQ_HEAD(, sbp_ocb) temp; 2770 2771 s = splfw(); 2772 2773 bcopy(&sdev->ocbs, &temp, sizeof(temp)); 2774 STAILQ_INIT(&sdev->ocbs); 2775 for (ocb = STAILQ_FIRST(&temp); ocb != NULL; ocb = next) { 2776 next = STAILQ_NEXT(ocb, ocb); 2777 sbp_abort_ocb(ocb, status); 2778 } 2779 2780 splx(s); 2781 } 2782 2783 static devclass_t sbp_devclass; 2784 2785 static device_method_t sbp_methods[] = { 2786 /* device interface */ 2787 DEVMETHOD(device_identify, sbp_identify), 2788 DEVMETHOD(device_probe, sbp_probe), 2789 DEVMETHOD(device_attach, sbp_attach), 2790 DEVMETHOD(device_detach, sbp_detach), 2791 DEVMETHOD(device_shutdown, sbp_shutdown), 2792 2793 { 0, 0 } 2794 }; 2795 2796 static driver_t sbp_driver = { 2797 "sbp", 2798 sbp_methods, 2799 sizeof(struct sbp_softc), 2800 }; 2801 DRIVER_MODULE(sbp, firewire, sbp_driver, sbp_devclass, 0, 0); 2802 MODULE_VERSION(sbp, 1); 2803 MODULE_DEPEND(sbp, firewire, 1, 1, 1); 2804 MODULE_DEPEND(sbp, cam, 1, 1, 1); 2805