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