1 /*- 2 * Copyright (c) 2003 Hidetoshi Shimokawa 3 * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the acknowledgement as bellow: 16 * 17 * This product includes software developed by K. Kobayashi and H. Shimokawa 18 * 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 24 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 25 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 26 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 27 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 30 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 31 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 * POSSIBILITY OF SUCH DAMAGE. 33 * 34 * $FreeBSD$ 35 * 36 */ 37 38 #include <sys/param.h> 39 #include <sys/systm.h> 40 #include <sys/module.h> 41 #include <sys/bus.h> 42 #include <sys/kernel.h> 43 #include <sys/sysctl.h> 44 #include <machine/bus.h> 45 #include <sys/malloc.h> 46 #if defined(__FreeBSD__) && __FreeBSD_version >= 501102 47 #include <sys/lock.h> 48 #include <sys/mutex.h> 49 #endif 50 51 #if defined(__DragonFly__) || __FreeBSD_version < 500106 52 #include <sys/devicestat.h> /* for struct devstat */ 53 #endif 54 55 #ifdef __DragonFly__ 56 #include <bus/cam/cam.h> 57 #include <bus/cam/cam_ccb.h> 58 #include <bus/cam/cam_sim.h> 59 #include <bus/cam/cam_xpt_sim.h> 60 #include <bus/cam/cam_debug.h> 61 #include <bus/cam/cam_periph.h> 62 #include <bus/cam/scsi/scsi_all.h> 63 64 #include <bus/firewire/firewire.h> 65 #include <bus/firewire/firewirereg.h> 66 #include <bus/firewire/fwdma.h> 67 #include <bus/firewire/iec13213.h> 68 #include "sbp.h" 69 #else 70 #include <cam/cam.h> 71 #include <cam/cam_ccb.h> 72 #include <cam/cam_sim.h> 73 #include <cam/cam_xpt_sim.h> 74 #include <cam/cam_debug.h> 75 #include <cam/cam_periph.h> 76 #include <cam/scsi/scsi_all.h> 77 78 #include <dev/firewire/firewire.h> 79 #include <dev/firewire/firewirereg.h> 80 #include <dev/firewire/fwdma.h> 81 #include <dev/firewire/iec13213.h> 82 #include <dev/firewire/sbp.h> 83 #endif 84 85 #define ccb_sdev_ptr spriv_ptr0 86 #define ccb_sbp_ptr spriv_ptr1 87 88 #define SBP_NUM_TARGETS 8 /* MAX 64 */ 89 /* 90 * Scan_bus doesn't work for more than 8 LUNs 91 * because of CAM_SCSI2_MAXLUN in cam_xpt.c 92 */ 93 #define SBP_NUM_LUNS 64 94 #define SBP_DMA_SIZE PAGE_SIZE 95 #define SBP_LOGIN_SIZE sizeof(struct sbp_login_res) 96 #define SBP_QUEUE_LEN ((SBP_DMA_SIZE - SBP_LOGIN_SIZE) / sizeof(struct sbp_ocb)) 97 #define SBP_NUM_OCB (SBP_QUEUE_LEN * SBP_NUM_TARGETS) 98 99 /* 100 * STATUS FIFO addressing 101 * bit 102 * ----------------------- 103 * 0- 1( 2): 0 (alignment) 104 * 2- 7( 6): target 105 * 8-15( 8): lun 106 * 16-31( 8): reserved 107 * 32-47(16): SBP_BIND_HI 108 * 48-64(16): bus_id, node_id 109 */ 110 #define SBP_BIND_HI 0x1 111 #define SBP_DEV2ADDR(t, l) \ 112 (((u_int64_t)SBP_BIND_HI << 32) \ 113 | (((l) & 0xff) << 8) \ 114 | (((t) & 0x3f) << 2)) 115 #define SBP_ADDR2TRG(a) (((a) >> 2) & 0x3f) 116 #define SBP_ADDR2LUN(a) (((a) >> 8) & 0xff) 117 #define SBP_INITIATOR 7 118 119 static char *orb_fun_name[] = { 120 ORB_FUN_NAMES 121 }; 122 123 static int debug = 0; 124 static int auto_login = 1; 125 static int max_speed = -1; 126 static int sbp_cold = 1; 127 static int ex_login = 1; 128 static int login_delay = 1000; /* msec */ 129 static int scan_delay = 500; /* msec */ 130 static int use_doorbell = 0; 131 static int sbp_tags = 0; 132 133 SYSCTL_DECL(_hw_firewire); 134 SYSCTL_NODE(_hw_firewire, OID_AUTO, sbp, CTLFLAG_RD, 0, "SBP-II Subsystem"); 135 SYSCTL_INT(_debug, OID_AUTO, sbp_debug, CTLFLAG_RW, &debug, 0, 136 "SBP debug flag"); 137 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, auto_login, CTLFLAG_RW, &auto_login, 0, 138 "SBP perform login automatically"); 139 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, max_speed, CTLFLAG_RW, &max_speed, 0, 140 "SBP transfer max speed"); 141 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, exclusive_login, CTLFLAG_RW, 142 &ex_login, 0, "SBP enable exclusive login"); 143 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, login_delay, CTLFLAG_RW, 144 &login_delay, 0, "SBP login delay in msec"); 145 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, scan_delay, CTLFLAG_RW, 146 &scan_delay, 0, "SBP scan delay in msec"); 147 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, use_doorbell, CTLFLAG_RW, 148 &use_doorbell, 0, "SBP use doorbell request"); 149 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, tags, CTLFLAG_RW, &sbp_tags, 0, 150 "SBP tagged queuing support"); 151 152 TUNABLE_INT("hw.firewire.sbp.auto_login", &auto_login); 153 TUNABLE_INT("hw.firewire.sbp.max_speed", &max_speed); 154 TUNABLE_INT("hw.firewire.sbp.exclusive_login", &ex_login); 155 TUNABLE_INT("hw.firewire.sbp.login_delay", &login_delay); 156 TUNABLE_INT("hw.firewire.sbp.scan_delay", &scan_delay); 157 TUNABLE_INT("hw.firewire.sbp.use_doorbell", &use_doorbell); 158 TUNABLE_INT("hw.firewire.sbp.tags", &sbp_tags); 159 160 #define NEED_RESPONSE 0 161 162 #define SBP_SEG_MAX rounddown(0xffff, PAGE_SIZE) 163 #ifdef __sparc64__ /* iommu */ 164 #define SBP_IND_MAX howmany(MAXPHYS, SBP_SEG_MAX) 165 #else 166 #define SBP_IND_MAX howmany(MAXPHYS, PAGE_SIZE) 167 #endif 168 struct sbp_ocb { 169 STAILQ_ENTRY(sbp_ocb) ocb; 170 union ccb *ccb; 171 bus_addr_t bus_addr; 172 uint32_t orb[8]; 173 #define IND_PTR_OFFSET (8*sizeof(uint32_t)) 174 struct ind_ptr ind_ptr[SBP_IND_MAX]; 175 struct sbp_dev *sdev; 176 int flags; /* XXX should be removed */ 177 bus_dmamap_t dmamap; 178 }; 179 180 #define OCB_ACT_MGM 0 181 #define OCB_ACT_CMD 1 182 #define OCB_MATCH(o,s) ((o)->bus_addr == ntohl((s)->orb_lo)) 183 184 struct sbp_dev{ 185 #define SBP_DEV_RESET 0 /* accept login */ 186 #define SBP_DEV_LOGIN 1 /* to login */ 187 #if 0 188 #define SBP_DEV_RECONN 2 /* to reconnect */ 189 #endif 190 #define SBP_DEV_TOATTACH 3 /* to attach */ 191 #define SBP_DEV_PROBE 4 /* scan lun */ 192 #define SBP_DEV_ATTACHED 5 /* in operation */ 193 #define SBP_DEV_DEAD 6 /* unavailable unit */ 194 #define SBP_DEV_RETRY 7 /* unavailable unit */ 195 uint8_t status:4, 196 timeout:4; 197 uint8_t type; 198 uint16_t lun_id; 199 uint16_t freeze; 200 #define ORB_LINK_DEAD (1 << 0) 201 #define VALID_LUN (1 << 1) 202 #define ORB_POINTER_ACTIVE (1 << 2) 203 #define ORB_POINTER_NEED (1 << 3) 204 #define ORB_DOORBELL_ACTIVE (1 << 4) 205 #define ORB_DOORBELL_NEED (1 << 5) 206 #define ORB_SHORTAGE (1 << 6) 207 uint16_t flags; 208 struct cam_path *path; 209 struct sbp_target *target; 210 struct fwdma_alloc dma; 211 struct sbp_login_res *login; 212 struct callout login_callout; 213 struct sbp_ocb *ocb; 214 STAILQ_HEAD(, sbp_ocb) ocbs; 215 STAILQ_HEAD(, sbp_ocb) free_ocbs; 216 struct sbp_ocb *last_ocb; 217 char vendor[32]; 218 char product[32]; 219 char revision[10]; 220 }; 221 222 struct sbp_target { 223 int target_id; 224 int num_lun; 225 struct sbp_dev **luns; 226 struct sbp_softc *sbp; 227 struct fw_device *fwdev; 228 uint32_t mgm_hi, mgm_lo; 229 struct sbp_ocb *mgm_ocb_cur; 230 STAILQ_HEAD(, sbp_ocb) mgm_ocb_queue; 231 struct callout mgm_ocb_timeout; 232 struct callout scan_callout; 233 STAILQ_HEAD(, fw_xfer) xferlist; 234 int n_xfer; 235 }; 236 237 struct sbp_softc { 238 struct firewire_dev_comm fd; 239 struct cam_sim *sim; 240 struct cam_path *path; 241 struct sbp_target targets[SBP_NUM_TARGETS]; 242 struct fw_bind fwb; 243 bus_dma_tag_t dmat; 244 struct timeval last_busreset; 245 #define SIMQ_FREEZED 1 246 int flags; 247 }; 248 249 static void sbp_post_explore (void *); 250 static void sbp_recv (struct fw_xfer *); 251 static void sbp_mgm_callback (struct fw_xfer *); 252 #if 0 253 static void sbp_cmd_callback (struct fw_xfer *); 254 #endif 255 static void sbp_orb_pointer (struct sbp_dev *, struct sbp_ocb *); 256 static void sbp_doorbell(struct sbp_dev *); 257 static void sbp_execute_ocb (void *, bus_dma_segment_t *, int, int); 258 static void sbp_free_ocb (struct sbp_dev *, struct sbp_ocb *); 259 static void sbp_abort_ocb (struct sbp_ocb *, int); 260 static void sbp_abort_all_ocbs (struct sbp_dev *, int); 261 static struct fw_xfer * sbp_write_cmd (struct sbp_dev *, int, int); 262 static struct sbp_ocb * sbp_get_ocb (struct sbp_dev *); 263 static struct sbp_ocb * sbp_enqueue_ocb (struct sbp_dev *, struct sbp_ocb *); 264 static struct sbp_ocb * sbp_dequeue_ocb (struct sbp_dev *, struct sbp_status *); 265 static void sbp_cam_detach_sdev(struct sbp_dev *); 266 static void sbp_free_sdev(struct sbp_dev *); 267 static void sbp_cam_detach_target (struct sbp_target *); 268 static void sbp_free_target (struct sbp_target *); 269 static void sbp_mgm_timeout (void *arg); 270 static void sbp_timeout (void *arg); 271 static void sbp_mgm_orb (struct sbp_dev *, int, struct sbp_ocb *); 272 273 MALLOC_DEFINE(M_SBP, "sbp", "SBP-II/FireWire"); 274 275 /* cam related functions */ 276 static void sbp_action(struct cam_sim *sim, union ccb *ccb); 277 static void sbp_poll(struct cam_sim *sim); 278 static void sbp_cam_scan_lun(struct cam_periph *, union ccb *); 279 static void sbp_cam_scan_target(void *arg); 280 281 static char *orb_status0[] = { 282 /* 0 */ "No additional information to report", 283 /* 1 */ "Request type not supported", 284 /* 2 */ "Speed not supported", 285 /* 3 */ "Page size not supported", 286 /* 4 */ "Access denied", 287 /* 5 */ "Logical unit not supported", 288 /* 6 */ "Maximum payload too small", 289 /* 7 */ "Reserved for future standardization", 290 /* 8 */ "Resources unavailable", 291 /* 9 */ "Function rejected", 292 /* A */ "Login ID not recognized", 293 /* B */ "Dummy ORB completed", 294 /* C */ "Request aborted", 295 /* FF */ "Unspecified error" 296 #define MAX_ORB_STATUS0 0xd 297 }; 298 299 static char *orb_status1_object[] = { 300 /* 0 */ "Operation request block (ORB)", 301 /* 1 */ "Data buffer", 302 /* 2 */ "Page table", 303 /* 3 */ "Unable to specify" 304 }; 305 306 static char *orb_status1_serial_bus_error[] = { 307 /* 0 */ "Missing acknowledge", 308 /* 1 */ "Reserved; not to be used", 309 /* 2 */ "Time-out error", 310 /* 3 */ "Reserved; not to be used", 311 /* 4 */ "Busy retry limit exceeded(X)", 312 /* 5 */ "Busy retry limit exceeded(A)", 313 /* 6 */ "Busy retry limit exceeded(B)", 314 /* 7 */ "Reserved for future standardization", 315 /* 8 */ "Reserved for future standardization", 316 /* 9 */ "Reserved for future standardization", 317 /* A */ "Reserved for future standardization", 318 /* B */ "Tardy retry limit exceeded", 319 /* C */ "Conflict error", 320 /* D */ "Data error", 321 /* E */ "Type error", 322 /* F */ "Address error" 323 }; 324 325 static void 326 sbp_identify(driver_t *driver, device_t parent) 327 { 328 device_t child; 329 SBP_DEBUG(0) 330 printf("sbp_identify\n"); 331 END_DEBUG 332 333 child = BUS_ADD_CHILD(parent, 0, "sbp", device_get_unit(parent)); 334 } 335 336 /* 337 * sbp_probe() 338 */ 339 static int 340 sbp_probe(device_t dev) 341 { 342 device_t pa; 343 344 SBP_DEBUG(0) 345 printf("sbp_probe\n"); 346 END_DEBUG 347 348 pa = device_get_parent(dev); 349 if(device_get_unit(dev) != device_get_unit(pa)){ 350 return(ENXIO); 351 } 352 353 device_set_desc(dev, "SBP-2/SCSI over FireWire"); 354 355 #if 0 356 if (bootverbose) 357 debug = bootverbose; 358 #endif 359 360 return (0); 361 } 362 363 static void 364 sbp_show_sdev_info(struct sbp_dev *sdev, int new) 365 { 366 struct fw_device *fwdev; 367 368 printf("%s:%d:%d ", 369 device_get_nameunit(sdev->target->sbp->fd.dev), 370 sdev->target->target_id, 371 sdev->lun_id 372 ); 373 if (new == 2) { 374 return; 375 } 376 fwdev = sdev->target->fwdev; 377 printf("ordered:%d type:%d EUI:%08x%08x node:%d " 378 "speed:%d maxrec:%d", 379 (sdev->type & 0x40) >> 6, 380 (sdev->type & 0x1f), 381 fwdev->eui.hi, 382 fwdev->eui.lo, 383 fwdev->dst, 384 fwdev->speed, 385 fwdev->maxrec 386 ); 387 if (new) 388 printf(" new!\n"); 389 else 390 printf("\n"); 391 sbp_show_sdev_info(sdev, 2); 392 printf("'%s' '%s' '%s'\n", sdev->vendor, sdev->product, sdev->revision); 393 } 394 395 static struct { 396 int bus; 397 int target; 398 struct fw_eui64 eui; 399 } wired[] = { 400 /* Bus Target EUI64 */ 401 #if 0 402 {0, 2, {0x00018ea0, 0x01fd0154}}, /* Logitec HDD */ 403 {0, 0, {0x00018ea6, 0x00100682}}, /* Logitec DVD */ 404 {0, 1, {0x00d03200, 0xa412006a}}, /* Yano HDD */ 405 #endif 406 {-1, -1, {0,0}} 407 }; 408 409 static int 410 sbp_new_target(struct sbp_softc *sbp, struct fw_device *fwdev) 411 { 412 int bus, i, target=-1; 413 char w[SBP_NUM_TARGETS]; 414 415 bzero(w, sizeof(w)); 416 bus = device_get_unit(sbp->fd.dev); 417 418 /* XXX wired-down configuration should be gotten from 419 tunable or device hint */ 420 for (i = 0; wired[i].bus >= 0; i ++) { 421 if (wired[i].bus == bus) { 422 w[wired[i].target] = 1; 423 if (wired[i].eui.hi == fwdev->eui.hi && 424 wired[i].eui.lo == fwdev->eui.lo) 425 target = wired[i].target; 426 } 427 } 428 if (target >= 0) { 429 if(target < SBP_NUM_TARGETS && 430 sbp->targets[target].fwdev == NULL) 431 return(target); 432 device_printf(sbp->fd.dev, 433 "target %d is not free for %08x:%08x\n", 434 target, fwdev->eui.hi, fwdev->eui.lo); 435 target = -1; 436 } 437 /* non-wired target */ 438 for (i = 0; i < SBP_NUM_TARGETS; i ++) 439 if (sbp->targets[i].fwdev == NULL && w[i] == 0) { 440 target = i; 441 break; 442 } 443 444 return target; 445 } 446 447 static void 448 sbp_alloc_lun(struct sbp_target *target) 449 { 450 struct crom_context cc; 451 struct csrreg *reg; 452 struct sbp_dev *sdev, **newluns; 453 struct sbp_softc *sbp; 454 int maxlun, lun, i; 455 456 sbp = target->sbp; 457 crom_init_context(&cc, target->fwdev->csrrom); 458 /* XXX shoud parse appropriate unit directories only */ 459 maxlun = -1; 460 while (cc.depth >= 0) { 461 reg = crom_search_key(&cc, CROM_LUN); 462 if (reg == NULL) 463 break; 464 lun = reg->val & 0xffff; 465 SBP_DEBUG(0) 466 printf("target %d lun %d found\n", target->target_id, lun); 467 END_DEBUG 468 if (maxlun < lun) 469 maxlun = lun; 470 crom_next(&cc); 471 } 472 if (maxlun < 0) 473 printf("%s:%d no LUN found\n", 474 device_get_nameunit(target->sbp->fd.dev), 475 target->target_id); 476 477 maxlun ++; 478 if (maxlun >= SBP_NUM_LUNS) 479 maxlun = SBP_NUM_LUNS; 480 481 /* Invalidiate stale devices */ 482 for (lun = 0; lun < target->num_lun; lun ++) { 483 sdev = target->luns[lun]; 484 if (sdev == NULL) 485 continue; 486 sdev->flags &= ~VALID_LUN; 487 if (lun >= maxlun) { 488 /* lost device */ 489 sbp_cam_detach_sdev(sdev); 490 sbp_free_sdev(sdev); 491 } 492 } 493 494 /* Reallocate */ 495 if (maxlun != target->num_lun) { 496 newluns = (struct sbp_dev **) realloc(target->luns, 497 sizeof(struct sbp_dev *) * maxlun, 498 M_SBP, M_NOWAIT | M_ZERO); 499 500 if (newluns == NULL) { 501 printf("%s: realloc failed\n", __func__); 502 newluns = target->luns; 503 maxlun = target->num_lun; 504 } 505 506 /* 507 * We must zero the extended region for the case 508 * realloc() doesn't allocate new buffer. 509 */ 510 if (maxlun > target->num_lun) 511 bzero(&newluns[target->num_lun], 512 sizeof(struct sbp_dev *) * 513 (maxlun - target->num_lun)); 514 515 target->luns = newluns; 516 target->num_lun = maxlun; 517 } 518 519 crom_init_context(&cc, target->fwdev->csrrom); 520 while (cc.depth >= 0) { 521 int new = 0; 522 523 reg = crom_search_key(&cc, CROM_LUN); 524 if (reg == NULL) 525 break; 526 lun = reg->val & 0xffff; 527 if (lun >= SBP_NUM_LUNS) { 528 printf("too large lun %d\n", lun); 529 goto next; 530 } 531 532 sdev = target->luns[lun]; 533 if (sdev == NULL) { 534 sdev = malloc(sizeof(struct sbp_dev), 535 M_SBP, M_NOWAIT | M_ZERO); 536 if (sdev == NULL) { 537 printf("%s: malloc failed\n", __func__); 538 goto next; 539 } 540 target->luns[lun] = sdev; 541 sdev->lun_id = lun; 542 sdev->target = target; 543 STAILQ_INIT(&sdev->ocbs); 544 CALLOUT_INIT(&sdev->login_callout); 545 sdev->status = SBP_DEV_RESET; 546 new = 1; 547 } 548 sdev->flags |= VALID_LUN; 549 sdev->type = (reg->val & 0xff0000) >> 16; 550 551 if (new == 0) 552 goto next; 553 554 fwdma_malloc(sbp->fd.fc, 555 /* alignment */ sizeof(uint32_t), 556 SBP_DMA_SIZE, &sdev->dma, BUS_DMA_NOWAIT); 557 if (sdev->dma.v_addr == NULL) { 558 printf("%s: dma space allocation failed\n", 559 __func__); 560 free(sdev, M_SBP); 561 target->luns[lun] = NULL; 562 goto next; 563 } 564 sdev->login = (struct sbp_login_res *) sdev->dma.v_addr; 565 sdev->ocb = (struct sbp_ocb *) 566 ((char *)sdev->dma.v_addr + SBP_LOGIN_SIZE); 567 bzero((char *)sdev->ocb, 568 sizeof (struct sbp_ocb) * SBP_QUEUE_LEN); 569 570 STAILQ_INIT(&sdev->free_ocbs); 571 for (i = 0; i < SBP_QUEUE_LEN; i++) { 572 struct sbp_ocb *ocb; 573 ocb = &sdev->ocb[i]; 574 ocb->bus_addr = sdev->dma.bus_addr 575 + SBP_LOGIN_SIZE 576 + sizeof(struct sbp_ocb) * i 577 + offsetof(struct sbp_ocb, orb[0]); 578 if (bus_dmamap_create(sbp->dmat, 0, &ocb->dmamap)) { 579 printf("sbp_attach: cannot create dmamap\n"); 580 /* XXX */ 581 goto next; 582 } 583 sbp_free_ocb(sdev, ocb); 584 } 585 next: 586 crom_next(&cc); 587 } 588 589 for (lun = 0; lun < target->num_lun; lun ++) { 590 sdev = target->luns[lun]; 591 if (sdev != NULL && (sdev->flags & VALID_LUN) == 0) { 592 sbp_cam_detach_sdev(sdev); 593 sbp_free_sdev(sdev); 594 target->luns[lun] = NULL; 595 } 596 } 597 } 598 599 static struct sbp_target * 600 sbp_alloc_target(struct sbp_softc *sbp, struct fw_device *fwdev) 601 { 602 int i; 603 struct sbp_target *target; 604 struct crom_context cc; 605 struct csrreg *reg; 606 607 SBP_DEBUG(1) 608 printf("sbp_alloc_target\n"); 609 END_DEBUG 610 i = sbp_new_target(sbp, fwdev); 611 if (i < 0) { 612 device_printf(sbp->fd.dev, "increase SBP_NUM_TARGETS!\n"); 613 return NULL; 614 } 615 /* new target */ 616 target = &sbp->targets[i]; 617 target->sbp = sbp; 618 target->fwdev = fwdev; 619 target->target_id = i; 620 /* XXX we may want to reload mgm port after each bus reset */ 621 /* XXX there might be multiple management agents */ 622 crom_init_context(&cc, target->fwdev->csrrom); 623 reg = crom_search_key(&cc, CROM_MGM); 624 if (reg == NULL || reg->val == 0) { 625 printf("NULL management address\n"); 626 target->fwdev = NULL; 627 return NULL; 628 } 629 target->mgm_hi = 0xffff; 630 target->mgm_lo = 0xf0000000 | (reg->val << 2); 631 target->mgm_ocb_cur = NULL; 632 SBP_DEBUG(1) 633 printf("target:%d mgm_port: %x\n", i, target->mgm_lo); 634 END_DEBUG 635 STAILQ_INIT(&target->xferlist); 636 target->n_xfer = 0; 637 STAILQ_INIT(&target->mgm_ocb_queue); 638 CALLOUT_INIT(&target->mgm_ocb_timeout); 639 CALLOUT_INIT(&target->scan_callout); 640 641 target->luns = NULL; 642 target->num_lun = 0; 643 return target; 644 } 645 646 static void 647 sbp_probe_lun(struct sbp_dev *sdev) 648 { 649 struct fw_device *fwdev; 650 struct crom_context c, *cc = &c; 651 struct csrreg *reg; 652 653 bzero(sdev->vendor, sizeof(sdev->vendor)); 654 bzero(sdev->product, sizeof(sdev->product)); 655 656 fwdev = sdev->target->fwdev; 657 crom_init_context(cc, fwdev->csrrom); 658 /* get vendor string */ 659 crom_search_key(cc, CSRKEY_VENDOR); 660 crom_next(cc); 661 crom_parse_text(cc, sdev->vendor, sizeof(sdev->vendor)); 662 /* skip to the unit directory for SBP-2 */ 663 while ((reg = crom_search_key(cc, CSRKEY_VER)) != NULL) { 664 if (reg->val == CSRVAL_T10SBP2) 665 break; 666 crom_next(cc); 667 } 668 /* get firmware revision */ 669 reg = crom_search_key(cc, CSRKEY_FIRM_VER); 670 if (reg != NULL) 671 snprintf(sdev->revision, sizeof(sdev->revision), 672 "%06x", reg->val); 673 /* get product string */ 674 crom_search_key(cc, CSRKEY_MODEL); 675 crom_next(cc); 676 crom_parse_text(cc, sdev->product, sizeof(sdev->product)); 677 } 678 679 static void 680 sbp_login_callout(void *arg) 681 { 682 struct sbp_dev *sdev = (struct sbp_dev *)arg; 683 sbp_mgm_orb(sdev, ORB_FUN_LGI, NULL); 684 } 685 686 static void 687 sbp_login(struct sbp_dev *sdev) 688 { 689 struct timeval delta; 690 struct timeval t; 691 int ticks = 0; 692 693 microtime(&delta); 694 timevalsub(&delta, &sdev->target->sbp->last_busreset); 695 t.tv_sec = login_delay / 1000; 696 t.tv_usec = (login_delay % 1000) * 1000; 697 timevalsub(&t, &delta); 698 if (t.tv_sec >= 0 && t.tv_usec > 0) 699 ticks = (t.tv_sec * 1000 + t.tv_usec / 1000) * hz / 1000; 700 SBP_DEBUG(0) 701 printf("%s: sec = %jd usec = %ld ticks = %d\n", __func__, 702 (intmax_t)t.tv_sec, t.tv_usec, ticks); 703 END_DEBUG 704 callout_reset(&sdev->login_callout, ticks, 705 sbp_login_callout, (void *)(sdev)); 706 } 707 708 #define SBP_FWDEV_ALIVE(fwdev) (((fwdev)->status == FWDEVATTACHED) \ 709 && crom_has_specver((fwdev)->csrrom, CSRVAL_ANSIT10, CSRVAL_T10SBP2)) 710 711 static void 712 sbp_probe_target(void *arg) 713 { 714 struct sbp_target *target = (struct sbp_target *)arg; 715 struct sbp_softc *sbp; 716 struct sbp_dev *sdev; 717 struct firewire_comm *fc; 718 int i, alive; 719 720 alive = SBP_FWDEV_ALIVE(target->fwdev); 721 SBP_DEBUG(1) 722 printf("sbp_probe_target %d\n", target->target_id); 723 if (!alive) 724 printf("not alive\n"); 725 END_DEBUG 726 727 sbp = target->sbp; 728 fc = target->sbp->fd.fc; 729 sbp_alloc_lun(target); 730 731 /* XXX untimeout mgm_ocb and dequeue */ 732 for (i=0; i < target->num_lun; i++) { 733 sdev = target->luns[i]; 734 if (sdev == NULL) 735 continue; 736 if (alive && (sdev->status != SBP_DEV_DEAD)) { 737 if (sdev->path != NULL) { 738 xpt_freeze_devq(sdev->path, 1); 739 sdev->freeze ++; 740 } 741 sbp_probe_lun(sdev); 742 SBP_DEBUG(0) 743 sbp_show_sdev_info(sdev, 744 (sdev->status == SBP_DEV_RESET)); 745 END_DEBUG 746 747 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET); 748 switch (sdev->status) { 749 case SBP_DEV_RESET: 750 /* new or revived target */ 751 if (auto_login) 752 sbp_login(sdev); 753 break; 754 case SBP_DEV_TOATTACH: 755 case SBP_DEV_PROBE: 756 case SBP_DEV_ATTACHED: 757 case SBP_DEV_RETRY: 758 default: 759 sbp_mgm_orb(sdev, ORB_FUN_RCN, NULL); 760 break; 761 } 762 } else { 763 switch (sdev->status) { 764 case SBP_DEV_ATTACHED: 765 SBP_DEBUG(0) 766 /* the device has gone */ 767 sbp_show_sdev_info(sdev, 2); 768 printf("lost target\n"); 769 END_DEBUG 770 if (sdev->path) { 771 xpt_freeze_devq(sdev->path, 1); 772 sdev->freeze ++; 773 } 774 sdev->status = SBP_DEV_RETRY; 775 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET); 776 break; 777 case SBP_DEV_PROBE: 778 case SBP_DEV_TOATTACH: 779 sdev->status = SBP_DEV_RESET; 780 break; 781 case SBP_DEV_RETRY: 782 case SBP_DEV_RESET: 783 case SBP_DEV_DEAD: 784 break; 785 } 786 } 787 } 788 } 789 790 static void 791 sbp_post_busreset(void *arg) 792 { 793 struct sbp_softc *sbp; 794 795 sbp = (struct sbp_softc *)arg; 796 SBP_DEBUG(0) 797 printf("sbp_post_busreset\n"); 798 END_DEBUG 799 if ((sbp->sim->flags & SIMQ_FREEZED) == 0) { 800 xpt_freeze_simq(sbp->sim, /*count*/1); 801 sbp->sim->flags |= SIMQ_FREEZED; 802 } 803 microtime(&sbp->last_busreset); 804 } 805 806 static void 807 sbp_post_explore(void *arg) 808 { 809 struct sbp_softc *sbp = (struct sbp_softc *)arg; 810 struct sbp_target *target; 811 struct fw_device *fwdev; 812 int i, alive; 813 814 SBP_DEBUG(0) 815 printf("sbp_post_explore (sbp_cold=%d)\n", sbp_cold); 816 END_DEBUG 817 if (sbp_cold > 0) 818 sbp_cold --; 819 820 #if 0 821 /* 822 * XXX don't let CAM the bus rest. 823 * CAM tries to do something with freezed (DEV_RETRY) devices. 824 */ 825 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL); 826 #endif 827 828 /* Garbage Collection */ 829 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){ 830 target = &sbp->targets[i]; 831 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) 832 if (target->fwdev == NULL || target->fwdev == fwdev) 833 break; 834 if (fwdev == NULL) { 835 /* device has removed in lower driver */ 836 sbp_cam_detach_target(target); 837 sbp_free_target(target); 838 } 839 } 840 /* traverse device list */ 841 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) { 842 SBP_DEBUG(0) 843 printf("sbp_post_explore: EUI:%08x%08x ", 844 fwdev->eui.hi, fwdev->eui.lo); 845 if (fwdev->status != FWDEVATTACHED) 846 printf("not attached, state=%d.\n", fwdev->status); 847 else 848 printf("attached\n"); 849 END_DEBUG 850 alive = SBP_FWDEV_ALIVE(fwdev); 851 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){ 852 target = &sbp->targets[i]; 853 if(target->fwdev == fwdev ) { 854 /* known target */ 855 break; 856 } 857 } 858 if(i == SBP_NUM_TARGETS){ 859 if (alive) { 860 /* new target */ 861 target = sbp_alloc_target(sbp, fwdev); 862 if (target == NULL) 863 continue; 864 } else { 865 continue; 866 } 867 } 868 sbp_probe_target((void *)target); 869 if (target->num_lun == 0) 870 sbp_free_target(target); 871 } 872 xpt_release_simq(sbp->sim, /*run queue*/TRUE); 873 sbp->sim->flags &= ~SIMQ_FREEZED; 874 } 875 876 #if NEED_RESPONSE 877 static void 878 sbp_loginres_callback(struct fw_xfer *xfer){ 879 int s; 880 struct sbp_dev *sdev; 881 sdev = (struct sbp_dev *)xfer->sc; 882 SBP_DEBUG(1) 883 sbp_show_sdev_info(sdev, 2); 884 printf("sbp_loginres_callback\n"); 885 END_DEBUG 886 /* recycle */ 887 s = splfw(); 888 STAILQ_INSERT_TAIL(&sdev->target->sbp->fwb.xferlist, xfer, link); 889 splx(s); 890 return; 891 } 892 #endif 893 894 static __inline void 895 sbp_xfer_free(struct fw_xfer *xfer) 896 { 897 struct sbp_dev *sdev; 898 int s; 899 900 sdev = (struct sbp_dev *)xfer->sc; 901 fw_xfer_unload(xfer); 902 s = splfw(); 903 STAILQ_INSERT_TAIL(&sdev->target->xferlist, xfer, link); 904 splx(s); 905 } 906 907 static void 908 sbp_reset_start_callback(struct fw_xfer *xfer) 909 { 910 struct sbp_dev *tsdev, *sdev = (struct sbp_dev *)xfer->sc; 911 struct sbp_target *target = sdev->target; 912 int i; 913 914 if (xfer->resp != 0) { 915 sbp_show_sdev_info(sdev, 2); 916 printf("sbp_reset_start failed: resp=%d\n", xfer->resp); 917 } 918 919 for (i = 0; i < target->num_lun; i++) { 920 tsdev = target->luns[i]; 921 if (tsdev != NULL && tsdev->status == SBP_DEV_LOGIN) 922 sbp_login(tsdev); 923 } 924 } 925 926 static void 927 sbp_reset_start(struct sbp_dev *sdev) 928 { 929 struct fw_xfer *xfer; 930 struct fw_pkt *fp; 931 932 SBP_DEBUG(0) 933 sbp_show_sdev_info(sdev, 2); 934 printf("sbp_reset_start\n"); 935 END_DEBUG 936 937 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 938 xfer->act.hand = sbp_reset_start_callback; 939 fp = &xfer->send.hdr; 940 fp->mode.wreqq.dest_hi = 0xffff; 941 fp->mode.wreqq.dest_lo = 0xf0000000 | RESET_START; 942 fp->mode.wreqq.data = htonl(0xf); 943 fw_asyreq(xfer->fc, -1, xfer); 944 } 945 946 static void 947 sbp_mgm_callback(struct fw_xfer *xfer) 948 { 949 struct sbp_dev *sdev; 950 int resp; 951 952 sdev = (struct sbp_dev *)xfer->sc; 953 954 SBP_DEBUG(1) 955 sbp_show_sdev_info(sdev, 2); 956 printf("sbp_mgm_callback\n"); 957 END_DEBUG 958 resp = xfer->resp; 959 sbp_xfer_free(xfer); 960 #if 0 961 if (resp != 0) { 962 sbp_show_sdev_info(sdev, 2); 963 printf("management ORB failed(%d) ... RESET_START\n", resp); 964 sbp_reset_start(sdev); 965 } 966 #endif 967 return; 968 } 969 970 static struct sbp_dev * 971 sbp_next_dev(struct sbp_target *target, int lun) 972 { 973 struct sbp_dev **sdevp; 974 int i; 975 976 for (i = lun, sdevp = &target->luns[lun]; i < target->num_lun; 977 i++, sdevp++) 978 if (*sdevp != NULL && (*sdevp)->status == SBP_DEV_PROBE) 979 return(*sdevp); 980 return(NULL); 981 } 982 983 #define SCAN_PRI 1 984 static void 985 sbp_cam_scan_lun(struct cam_periph *periph, union ccb *ccb) 986 { 987 struct sbp_target *target; 988 struct sbp_dev *sdev; 989 990 sdev = (struct sbp_dev *) ccb->ccb_h.ccb_sdev_ptr; 991 target = sdev->target; 992 SBP_DEBUG(0) 993 sbp_show_sdev_info(sdev, 2); 994 printf("sbp_cam_scan_lun\n"); 995 END_DEBUG 996 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 997 sdev->status = SBP_DEV_ATTACHED; 998 } else { 999 sbp_show_sdev_info(sdev, 2); 1000 printf("scan failed\n"); 1001 } 1002 sdev = sbp_next_dev(target, sdev->lun_id + 1); 1003 if (sdev == NULL) { 1004 free(ccb, M_SBP); 1005 return; 1006 } 1007 /* reuse ccb */ 1008 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI); 1009 ccb->ccb_h.ccb_sdev_ptr = sdev; 1010 xpt_action(ccb); 1011 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 1012 sdev->freeze = 1; 1013 } 1014 1015 static void 1016 sbp_cam_scan_target(void *arg) 1017 { 1018 struct sbp_target *target = (struct sbp_target *)arg; 1019 struct sbp_dev *sdev; 1020 union ccb *ccb; 1021 1022 sdev = sbp_next_dev(target, 0); 1023 if (sdev == NULL) { 1024 printf("sbp_cam_scan_target: nothing to do for target%d\n", 1025 target->target_id); 1026 return; 1027 } 1028 SBP_DEBUG(0) 1029 sbp_show_sdev_info(sdev, 2); 1030 printf("sbp_cam_scan_target\n"); 1031 END_DEBUG 1032 ccb = malloc(sizeof(union ccb), M_SBP, M_NOWAIT | M_ZERO); 1033 if (ccb == NULL) { 1034 printf("sbp_cam_scan_target: malloc failed\n"); 1035 return; 1036 } 1037 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI); 1038 ccb->ccb_h.func_code = XPT_SCAN_LUN; 1039 ccb->ccb_h.cbfcnp = sbp_cam_scan_lun; 1040 ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 1041 ccb->crcn.flags = CAM_FLAG_NONE; 1042 ccb->ccb_h.ccb_sdev_ptr = sdev; 1043 1044 /* The scan is in progress now. */ 1045 xpt_action(ccb); 1046 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 1047 sdev->freeze = 1; 1048 } 1049 1050 static __inline void 1051 sbp_scan_dev(struct sbp_dev *sdev) 1052 { 1053 sdev->status = SBP_DEV_PROBE; 1054 callout_reset(&sdev->target->scan_callout, scan_delay * hz / 1000, 1055 sbp_cam_scan_target, (void *)sdev->target); 1056 } 1057 1058 static void 1059 sbp_do_attach(struct fw_xfer *xfer) 1060 { 1061 struct sbp_dev *sdev; 1062 struct sbp_target *target; 1063 struct sbp_softc *sbp; 1064 1065 sdev = (struct sbp_dev *)xfer->sc; 1066 target = sdev->target; 1067 sbp = target->sbp; 1068 SBP_DEBUG(0) 1069 sbp_show_sdev_info(sdev, 2); 1070 printf("sbp_do_attach\n"); 1071 END_DEBUG 1072 sbp_xfer_free(xfer); 1073 1074 if (sdev->path == NULL) 1075 xpt_create_path(&sdev->path, xpt_periph, 1076 cam_sim_path(target->sbp->sim), 1077 target->target_id, sdev->lun_id); 1078 1079 /* 1080 * Let CAM scan the bus if we are in the boot process. 1081 * XXX xpt_scan_bus cannot detect LUN larger than 0 1082 * if LUN 0 doesn't exists. 1083 */ 1084 if (sbp_cold > 0) { 1085 sdev->status = SBP_DEV_ATTACHED; 1086 return; 1087 } 1088 1089 sbp_scan_dev(sdev); 1090 return; 1091 } 1092 1093 static void 1094 sbp_agent_reset_callback(struct fw_xfer *xfer) 1095 { 1096 struct sbp_dev *sdev; 1097 1098 sdev = (struct sbp_dev *)xfer->sc; 1099 SBP_DEBUG(1) 1100 sbp_show_sdev_info(sdev, 2); 1101 printf("%s\n", __func__); 1102 END_DEBUG 1103 if (xfer->resp != 0) { 1104 sbp_show_sdev_info(sdev, 2); 1105 printf("%s: resp=%d\n", __func__, xfer->resp); 1106 } 1107 1108 sbp_xfer_free(xfer); 1109 if (sdev->path) { 1110 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 1111 sdev->freeze = 0; 1112 } 1113 } 1114 1115 static void 1116 sbp_agent_reset(struct sbp_dev *sdev) 1117 { 1118 struct fw_xfer *xfer; 1119 struct fw_pkt *fp; 1120 1121 SBP_DEBUG(0) 1122 sbp_show_sdev_info(sdev, 2); 1123 printf("sbp_agent_reset\n"); 1124 END_DEBUG 1125 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x04); 1126 if (xfer == NULL) 1127 return; 1128 if (sdev->status == SBP_DEV_ATTACHED || sdev->status == SBP_DEV_PROBE) 1129 xfer->act.hand = sbp_agent_reset_callback; 1130 else 1131 xfer->act.hand = sbp_do_attach; 1132 fp = &xfer->send.hdr; 1133 fp->mode.wreqq.data = htonl(0xf); 1134 fw_asyreq(xfer->fc, -1, xfer); 1135 sbp_abort_all_ocbs(sdev, CAM_BDR_SENT); 1136 } 1137 1138 static void 1139 sbp_busy_timeout_callback(struct fw_xfer *xfer) 1140 { 1141 struct sbp_dev *sdev; 1142 1143 sdev = (struct sbp_dev *)xfer->sc; 1144 SBP_DEBUG(1) 1145 sbp_show_sdev_info(sdev, 2); 1146 printf("sbp_busy_timeout_callback\n"); 1147 END_DEBUG 1148 sbp_xfer_free(xfer); 1149 sbp_agent_reset(sdev); 1150 } 1151 1152 static void 1153 sbp_busy_timeout(struct sbp_dev *sdev) 1154 { 1155 struct fw_pkt *fp; 1156 struct fw_xfer *xfer; 1157 SBP_DEBUG(0) 1158 sbp_show_sdev_info(sdev, 2); 1159 printf("sbp_busy_timeout\n"); 1160 END_DEBUG 1161 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 1162 1163 xfer->act.hand = sbp_busy_timeout_callback; 1164 fp = &xfer->send.hdr; 1165 fp->mode.wreqq.dest_hi = 0xffff; 1166 fp->mode.wreqq.dest_lo = 0xf0000000 | BUSY_TIMEOUT; 1167 fp->mode.wreqq.data = htonl((1 << (13+12)) | 0xf); 1168 fw_asyreq(xfer->fc, -1, xfer); 1169 } 1170 1171 static void 1172 sbp_orb_pointer_callback(struct fw_xfer *xfer) 1173 { 1174 struct sbp_dev *sdev; 1175 sdev = (struct sbp_dev *)xfer->sc; 1176 1177 SBP_DEBUG(1) 1178 sbp_show_sdev_info(sdev, 2); 1179 printf("%s\n", __func__); 1180 END_DEBUG 1181 if (xfer->resp != 0) { 1182 /* XXX */ 1183 printf("%s: xfer->resp = %d\n", __func__, xfer->resp); 1184 } 1185 sbp_xfer_free(xfer); 1186 sdev->flags &= ~ORB_POINTER_ACTIVE; 1187 1188 if ((sdev->flags & ORB_POINTER_NEED) != 0) { 1189 struct sbp_ocb *ocb; 1190 1191 sdev->flags &= ~ORB_POINTER_NEED; 1192 ocb = STAILQ_FIRST(&sdev->ocbs); 1193 if (ocb != NULL) 1194 sbp_orb_pointer(sdev, ocb); 1195 } 1196 return; 1197 } 1198 1199 static void 1200 sbp_orb_pointer(struct sbp_dev *sdev, struct sbp_ocb *ocb) 1201 { 1202 struct fw_xfer *xfer; 1203 struct fw_pkt *fp; 1204 SBP_DEBUG(1) 1205 sbp_show_sdev_info(sdev, 2); 1206 printf("%s: 0x%08x\n", __func__, (uint32_t)ocb->bus_addr); 1207 END_DEBUG 1208 1209 if ((sdev->flags & ORB_POINTER_ACTIVE) != 0) { 1210 SBP_DEBUG(0) 1211 printf("%s: orb pointer active\n", __func__); 1212 END_DEBUG 1213 sdev->flags |= ORB_POINTER_NEED; 1214 return; 1215 } 1216 1217 sdev->flags |= ORB_POINTER_ACTIVE; 1218 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0x08); 1219 if (xfer == NULL) 1220 return; 1221 xfer->act.hand = sbp_orb_pointer_callback; 1222 1223 fp = &xfer->send.hdr; 1224 fp->mode.wreqb.len = 8; 1225 fp->mode.wreqb.extcode = 0; 1226 xfer->send.payload[0] = 1227 htonl(((sdev->target->sbp->fd.fc->nodeid | FWLOCALBUS )<< 16)); 1228 xfer->send.payload[1] = htonl((uint32_t)ocb->bus_addr); 1229 1230 if(fw_asyreq(xfer->fc, -1, xfer) != 0){ 1231 sbp_xfer_free(xfer); 1232 ocb->ccb->ccb_h.status = CAM_REQ_INVALID; 1233 xpt_done(ocb->ccb); 1234 } 1235 } 1236 1237 static void 1238 sbp_doorbell_callback(struct fw_xfer *xfer) 1239 { 1240 struct sbp_dev *sdev; 1241 sdev = (struct sbp_dev *)xfer->sc; 1242 1243 SBP_DEBUG(1) 1244 sbp_show_sdev_info(sdev, 2); 1245 printf("sbp_doorbell_callback\n"); 1246 END_DEBUG 1247 if (xfer->resp != 0) { 1248 /* XXX */ 1249 printf("%s: xfer->resp = %d\n", __func__, xfer->resp); 1250 } 1251 sbp_xfer_free(xfer); 1252 sdev->flags &= ~ORB_DOORBELL_ACTIVE; 1253 if ((sdev->flags & ORB_DOORBELL_NEED) != 0) { 1254 sdev->flags &= ~ORB_DOORBELL_NEED; 1255 sbp_doorbell(sdev); 1256 } 1257 return; 1258 } 1259 1260 static void 1261 sbp_doorbell(struct sbp_dev *sdev) 1262 { 1263 struct fw_xfer *xfer; 1264 struct fw_pkt *fp; 1265 SBP_DEBUG(1) 1266 sbp_show_sdev_info(sdev, 2); 1267 printf("sbp_doorbell\n"); 1268 END_DEBUG 1269 1270 if ((sdev->flags & ORB_DOORBELL_ACTIVE) != 0) { 1271 sdev->flags |= ORB_DOORBELL_NEED; 1272 return; 1273 } 1274 sdev->flags |= ORB_DOORBELL_ACTIVE; 1275 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x10); 1276 if (xfer == NULL) 1277 return; 1278 xfer->act.hand = sbp_doorbell_callback; 1279 fp = &xfer->send.hdr; 1280 fp->mode.wreqq.data = htonl(0xf); 1281 fw_asyreq(xfer->fc, -1, xfer); 1282 } 1283 1284 static struct fw_xfer * 1285 sbp_write_cmd(struct sbp_dev *sdev, int tcode, int offset) 1286 { 1287 struct fw_xfer *xfer; 1288 struct fw_pkt *fp; 1289 struct sbp_target *target; 1290 int s, new = 0; 1291 1292 target = sdev->target; 1293 s = splfw(); 1294 xfer = STAILQ_FIRST(&target->xferlist); 1295 if (xfer == NULL) { 1296 if (target->n_xfer > 5 /* XXX */) { 1297 printf("sbp: no more xfer for this target\n"); 1298 splx(s); 1299 return(NULL); 1300 } 1301 xfer = fw_xfer_alloc_buf(M_SBP, 8, 0); 1302 if(xfer == NULL){ 1303 printf("sbp: fw_xfer_alloc_buf failed\n"); 1304 splx(s); 1305 return NULL; 1306 } 1307 target->n_xfer ++; 1308 if (debug) 1309 printf("sbp: alloc %d xfer\n", target->n_xfer); 1310 new = 1; 1311 } else { 1312 STAILQ_REMOVE_HEAD(&target->xferlist, link); 1313 } 1314 splx(s); 1315 1316 microtime(&xfer->tv); 1317 1318 if (new) { 1319 xfer->recv.pay_len = 0; 1320 xfer->send.spd = min(sdev->target->fwdev->speed, max_speed); 1321 xfer->fc = sdev->target->sbp->fd.fc; 1322 xfer->retry_req = fw_asybusy; 1323 } 1324 1325 if (tcode == FWTCODE_WREQB) 1326 xfer->send.pay_len = 8; 1327 else 1328 xfer->send.pay_len = 0; 1329 1330 xfer->sc = (caddr_t)sdev; 1331 fp = &xfer->send.hdr; 1332 fp->mode.wreqq.dest_hi = sdev->login->cmd_hi; 1333 fp->mode.wreqq.dest_lo = sdev->login->cmd_lo + offset; 1334 fp->mode.wreqq.tlrt = 0; 1335 fp->mode.wreqq.tcode = tcode; 1336 fp->mode.wreqq.pri = 0; 1337 fp->mode.wreqq.dst = FWLOCALBUS | sdev->target->fwdev->dst; 1338 1339 return xfer; 1340 1341 } 1342 1343 static void 1344 sbp_mgm_orb(struct sbp_dev *sdev, int func, struct sbp_ocb *aocb) 1345 { 1346 struct fw_xfer *xfer; 1347 struct fw_pkt *fp; 1348 struct sbp_ocb *ocb; 1349 struct sbp_target *target; 1350 int s, nid; 1351 1352 target = sdev->target; 1353 nid = target->sbp->fd.fc->nodeid | FWLOCALBUS; 1354 1355 s = splfw(); 1356 if (func == ORB_FUN_RUNQUEUE) { 1357 ocb = STAILQ_FIRST(&target->mgm_ocb_queue); 1358 if (target->mgm_ocb_cur != NULL || ocb == NULL) { 1359 splx(s); 1360 return; 1361 } 1362 STAILQ_REMOVE_HEAD(&target->mgm_ocb_queue, ocb); 1363 goto start; 1364 } 1365 if ((ocb = sbp_get_ocb(sdev)) == NULL) { 1366 splx(s); 1367 /* XXX */ 1368 return; 1369 } 1370 ocb->flags = OCB_ACT_MGM; 1371 ocb->sdev = sdev; 1372 1373 bzero((void *)ocb->orb, sizeof(ocb->orb)); 1374 ocb->orb[6] = htonl((nid << 16) | SBP_BIND_HI); 1375 ocb->orb[7] = htonl(SBP_DEV2ADDR(target->target_id, sdev->lun_id)); 1376 1377 SBP_DEBUG(0) 1378 sbp_show_sdev_info(sdev, 2); 1379 printf("%s\n", orb_fun_name[(func>>16)&0xf]); 1380 END_DEBUG 1381 switch (func) { 1382 case ORB_FUN_LGI: 1383 ocb->orb[0] = ocb->orb[1] = 0; /* password */ 1384 ocb->orb[2] = htonl(nid << 16); 1385 ocb->orb[3] = htonl(sdev->dma.bus_addr); 1386 ocb->orb[4] = htonl(ORB_NOTIFY | sdev->lun_id); 1387 if (ex_login) 1388 ocb->orb[4] |= htonl(ORB_EXV); 1389 ocb->orb[5] = htonl(SBP_LOGIN_SIZE); 1390 fwdma_sync(&sdev->dma, BUS_DMASYNC_PREREAD); 1391 break; 1392 case ORB_FUN_ATA: 1393 ocb->orb[0] = htonl((0 << 16) | 0); 1394 ocb->orb[1] = htonl(aocb->bus_addr & 0xffffffff); 1395 /* fall through */ 1396 case ORB_FUN_RCN: 1397 case ORB_FUN_LGO: 1398 case ORB_FUN_LUR: 1399 case ORB_FUN_RST: 1400 case ORB_FUN_ATS: 1401 ocb->orb[4] = htonl(ORB_NOTIFY | func | sdev->login->id); 1402 break; 1403 } 1404 1405 if (target->mgm_ocb_cur != NULL) { 1406 /* there is a standing ORB */ 1407 STAILQ_INSERT_TAIL(&sdev->target->mgm_ocb_queue, ocb, ocb); 1408 splx(s); 1409 return; 1410 } 1411 start: 1412 target->mgm_ocb_cur = ocb; 1413 splx(s); 1414 1415 callout_reset(&target->mgm_ocb_timeout, 5*hz, 1416 sbp_mgm_timeout, (caddr_t)ocb); 1417 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0); 1418 if(xfer == NULL){ 1419 return; 1420 } 1421 xfer->act.hand = sbp_mgm_callback; 1422 1423 fp = &xfer->send.hdr; 1424 fp->mode.wreqb.dest_hi = sdev->target->mgm_hi; 1425 fp->mode.wreqb.dest_lo = sdev->target->mgm_lo; 1426 fp->mode.wreqb.len = 8; 1427 fp->mode.wreqb.extcode = 0; 1428 xfer->send.payload[0] = htonl(nid << 16); 1429 xfer->send.payload[1] = htonl(ocb->bus_addr & 0xffffffff); 1430 SBP_DEBUG(0) 1431 sbp_show_sdev_info(sdev, 2); 1432 printf("mgm orb: %08x\n", (uint32_t)ocb->bus_addr); 1433 END_DEBUG 1434 1435 fw_asyreq(xfer->fc, -1, xfer); 1436 } 1437 1438 static void 1439 sbp_print_scsi_cmd(struct sbp_ocb *ocb) 1440 { 1441 struct ccb_scsiio *csio; 1442 1443 csio = &ocb->ccb->csio; 1444 printf("%s:%d:%d XPT_SCSI_IO: " 1445 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 1446 ", flags: 0x%02x, " 1447 "%db cmd/%db data/%db sense\n", 1448 device_get_nameunit(ocb->sdev->target->sbp->fd.dev), 1449 ocb->ccb->ccb_h.target_id, ocb->ccb->ccb_h.target_lun, 1450 csio->cdb_io.cdb_bytes[0], 1451 csio->cdb_io.cdb_bytes[1], 1452 csio->cdb_io.cdb_bytes[2], 1453 csio->cdb_io.cdb_bytes[3], 1454 csio->cdb_io.cdb_bytes[4], 1455 csio->cdb_io.cdb_bytes[5], 1456 csio->cdb_io.cdb_bytes[6], 1457 csio->cdb_io.cdb_bytes[7], 1458 csio->cdb_io.cdb_bytes[8], 1459 csio->cdb_io.cdb_bytes[9], 1460 ocb->ccb->ccb_h.flags & CAM_DIR_MASK, 1461 csio->cdb_len, csio->dxfer_len, 1462 csio->sense_len); 1463 } 1464 1465 static void 1466 sbp_scsi_status(struct sbp_status *sbp_status, struct sbp_ocb *ocb) 1467 { 1468 struct sbp_cmd_status *sbp_cmd_status; 1469 struct scsi_sense_data *sense; 1470 1471 sbp_cmd_status = (struct sbp_cmd_status *)sbp_status->data; 1472 sense = &ocb->ccb->csio.sense_data; 1473 1474 SBP_DEBUG(0) 1475 sbp_print_scsi_cmd(ocb); 1476 /* XXX need decode status */ 1477 sbp_show_sdev_info(ocb->sdev, 2); 1478 printf("SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d\n", 1479 sbp_cmd_status->status, 1480 sbp_cmd_status->sfmt, 1481 sbp_cmd_status->valid, 1482 sbp_cmd_status->s_key, 1483 sbp_cmd_status->s_code, 1484 sbp_cmd_status->s_qlfr, 1485 sbp_status->len 1486 ); 1487 END_DEBUG 1488 1489 switch (sbp_cmd_status->status) { 1490 case SCSI_STATUS_CHECK_COND: 1491 case SCSI_STATUS_BUSY: 1492 case SCSI_STATUS_CMD_TERMINATED: 1493 if(sbp_cmd_status->sfmt == SBP_SFMT_CURR){ 1494 sense->error_code = SSD_CURRENT_ERROR; 1495 }else{ 1496 sense->error_code = SSD_DEFERRED_ERROR; 1497 } 1498 if(sbp_cmd_status->valid) 1499 sense->error_code |= SSD_ERRCODE_VALID; 1500 sense->flags = sbp_cmd_status->s_key; 1501 if(sbp_cmd_status->mark) 1502 sense->flags |= SSD_FILEMARK; 1503 if(sbp_cmd_status->eom) 1504 sense->flags |= SSD_EOM; 1505 if(sbp_cmd_status->ill_len) 1506 sense->flags |= SSD_ILI; 1507 1508 bcopy(&sbp_cmd_status->info, &sense->info[0], 4); 1509 1510 if (sbp_status->len <= 1) 1511 /* XXX not scsi status. shouldn't be happened */ 1512 sense->extra_len = 0; 1513 else if (sbp_status->len <= 4) 1514 /* add_sense_code(_qual), info, cmd_spec_info */ 1515 sense->extra_len = 6; 1516 else 1517 /* fru, sense_key_spec */ 1518 sense->extra_len = 10; 1519 1520 bcopy(&sbp_cmd_status->cdb, &sense->cmd_spec_info[0], 4); 1521 1522 sense->add_sense_code = sbp_cmd_status->s_code; 1523 sense->add_sense_code_qual = sbp_cmd_status->s_qlfr; 1524 sense->fru = sbp_cmd_status->fru; 1525 1526 bcopy(&sbp_cmd_status->s_keydep[0], 1527 &sense->sense_key_spec[0], 3); 1528 1529 ocb->ccb->csio.scsi_status = sbp_cmd_status->status;; 1530 ocb->ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR 1531 | CAM_AUTOSNS_VALID; 1532 /* 1533 { 1534 uint8_t j, *tmp; 1535 tmp = sense; 1536 for( j = 0 ; j < 32 ; j+=8){ 1537 printf("sense %02x%02x %02x%02x %02x%02x %02x%02x\n", 1538 tmp[j], tmp[j+1], tmp[j+2], tmp[j+3], 1539 tmp[j+4], tmp[j+5], tmp[j+6], tmp[j+7]); 1540 } 1541 1542 } 1543 */ 1544 break; 1545 default: 1546 sbp_show_sdev_info(ocb->sdev, 2); 1547 printf("sbp_scsi_status: unknown scsi status 0x%x\n", 1548 sbp_cmd_status->status); 1549 } 1550 } 1551 1552 static void 1553 sbp_fix_inq_data(struct sbp_ocb *ocb) 1554 { 1555 union ccb *ccb; 1556 struct sbp_dev *sdev; 1557 struct scsi_inquiry_data *inq; 1558 1559 ccb = ocb->ccb; 1560 sdev = ocb->sdev; 1561 1562 if (ccb->csio.cdb_io.cdb_bytes[1] & SI_EVPD) 1563 return; 1564 SBP_DEBUG(1) 1565 sbp_show_sdev_info(sdev, 2); 1566 printf("sbp_fix_inq_data\n"); 1567 END_DEBUG 1568 inq = (struct scsi_inquiry_data *) ccb->csio.data_ptr; 1569 switch (SID_TYPE(inq)) { 1570 case T_DIRECT: 1571 #if 0 1572 /* 1573 * XXX Convert Direct Access device to RBC. 1574 * I've never seen FireWire DA devices which support READ_6. 1575 */ 1576 if (SID_TYPE(inq) == T_DIRECT) 1577 inq->device |= T_RBC; /* T_DIRECT == 0 */ 1578 #endif 1579 /* fall through */ 1580 case T_RBC: 1581 /* 1582 * Override vendor/product/revision information. 1583 * Some devices sometimes return strange strings. 1584 */ 1585 #if 1 1586 bcopy(sdev->vendor, inq->vendor, sizeof(inq->vendor)); 1587 bcopy(sdev->product, inq->product, sizeof(inq->product)); 1588 bcopy(sdev->revision+2, inq->revision, sizeof(inq->revision)); 1589 #endif 1590 break; 1591 } 1592 /* 1593 * Force to enable/disable tagged queuing. 1594 * XXX CAM also checks SCP_QUEUE_DQUE flag in the control mode page. 1595 */ 1596 if (sbp_tags > 0) 1597 inq->flags |= SID_CmdQue; 1598 else if (sbp_tags < 0) 1599 inq->flags &= ~SID_CmdQue; 1600 1601 } 1602 1603 static void 1604 sbp_recv1(struct fw_xfer *xfer) 1605 { 1606 struct fw_pkt *rfp; 1607 #if NEED_RESPONSE 1608 struct fw_pkt *sfp; 1609 #endif 1610 struct sbp_softc *sbp; 1611 struct sbp_dev *sdev; 1612 struct sbp_ocb *ocb; 1613 struct sbp_login_res *login_res = NULL; 1614 struct sbp_status *sbp_status; 1615 struct sbp_target *target; 1616 int orb_fun, status_valid0, status_valid, t, l, reset_agent = 0; 1617 uint32_t addr; 1618 /* 1619 uint32_t *ld; 1620 ld = xfer->recv.buf; 1621 printf("sbp %x %d %d %08x %08x %08x %08x\n", 1622 xfer->resp, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3])); 1623 printf("sbp %08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 1624 printf("sbp %08x %08x %08x %08x\n", ntohl(ld[8]), ntohl(ld[9]), ntohl(ld[10]), ntohl(ld[11])); 1625 */ 1626 sbp = (struct sbp_softc *)xfer->sc; 1627 if (xfer->resp != 0){ 1628 printf("sbp_recv: xfer->resp = %d\n", xfer->resp); 1629 goto done0; 1630 } 1631 if (xfer->recv.payload == NULL){ 1632 printf("sbp_recv: xfer->recv.payload == NULL\n"); 1633 goto done0; 1634 } 1635 rfp = &xfer->recv.hdr; 1636 if(rfp->mode.wreqb.tcode != FWTCODE_WREQB){ 1637 printf("sbp_recv: tcode = %d\n", rfp->mode.wreqb.tcode); 1638 goto done0; 1639 } 1640 sbp_status = (struct sbp_status *)xfer->recv.payload; 1641 addr = rfp->mode.wreqb.dest_lo; 1642 SBP_DEBUG(2) 1643 printf("received address 0x%x\n", addr); 1644 END_DEBUG 1645 t = SBP_ADDR2TRG(addr); 1646 if (t >= SBP_NUM_TARGETS) { 1647 device_printf(sbp->fd.dev, 1648 "sbp_recv1: invalid target %d\n", t); 1649 goto done0; 1650 } 1651 target = &sbp->targets[t]; 1652 l = SBP_ADDR2LUN(addr); 1653 if (l >= target->num_lun || target->luns[l] == NULL) { 1654 device_printf(sbp->fd.dev, 1655 "sbp_recv1: invalid lun %d (target=%d)\n", l, t); 1656 goto done0; 1657 } 1658 sdev = target->luns[l]; 1659 1660 ocb = NULL; 1661 switch (sbp_status->src) { 1662 case 0: 1663 case 1: 1664 /* check mgm_ocb_cur first */ 1665 ocb = target->mgm_ocb_cur; 1666 if (ocb != NULL) { 1667 if (OCB_MATCH(ocb, sbp_status)) { 1668 callout_stop(&target->mgm_ocb_timeout); 1669 target->mgm_ocb_cur = NULL; 1670 break; 1671 } 1672 } 1673 ocb = sbp_dequeue_ocb(sdev, sbp_status); 1674 if (ocb == NULL) { 1675 sbp_show_sdev_info(sdev, 2); 1676 #if defined(__DragonFly__) || __FreeBSD_version < 500000 1677 printf("No ocb(%lx) on the queue\n", 1678 #else 1679 printf("No ocb(%x) on the queue\n", 1680 #endif 1681 ntohl(sbp_status->orb_lo)); 1682 } 1683 break; 1684 case 2: 1685 /* unsolicit */ 1686 sbp_show_sdev_info(sdev, 2); 1687 printf("unsolicit status received\n"); 1688 break; 1689 default: 1690 sbp_show_sdev_info(sdev, 2); 1691 printf("unknown sbp_status->src\n"); 1692 } 1693 1694 status_valid0 = (sbp_status->src < 2 1695 && sbp_status->resp == ORB_RES_CMPL 1696 && sbp_status->dead == 0); 1697 status_valid = (status_valid0 && sbp_status->status == 0); 1698 1699 if (!status_valid0 || debug > 2){ 1700 int status; 1701 SBP_DEBUG(0) 1702 sbp_show_sdev_info(sdev, 2); 1703 printf("ORB status src:%x resp:%x dead:%x" 1704 #if defined(__DragonFly__) || __FreeBSD_version < 500000 1705 " len:%x stat:%x orb:%x%08lx\n", 1706 #else 1707 " len:%x stat:%x orb:%x%08x\n", 1708 #endif 1709 sbp_status->src, sbp_status->resp, sbp_status->dead, 1710 sbp_status->len, sbp_status->status, 1711 ntohs(sbp_status->orb_hi), ntohl(sbp_status->orb_lo)); 1712 END_DEBUG 1713 sbp_show_sdev_info(sdev, 2); 1714 status = sbp_status->status; 1715 switch(sbp_status->resp) { 1716 case 0: 1717 if (status > MAX_ORB_STATUS0) 1718 printf("%s\n", orb_status0[MAX_ORB_STATUS0]); 1719 else 1720 printf("%s\n", orb_status0[status]); 1721 break; 1722 case 1: 1723 printf("Obj: %s, Error: %s\n", 1724 orb_status1_object[(status>>6) & 3], 1725 orb_status1_serial_bus_error[status & 0xf]); 1726 break; 1727 case 2: 1728 printf("Illegal request\n"); 1729 break; 1730 case 3: 1731 printf("Vendor dependent\n"); 1732 break; 1733 default: 1734 printf("unknown respose code %d\n", sbp_status->resp); 1735 } 1736 } 1737 1738 /* we have to reset the fetch agent if it's dead */ 1739 if (sbp_status->dead) { 1740 if (sdev->path) { 1741 xpt_freeze_devq(sdev->path, 1); 1742 sdev->freeze ++; 1743 } 1744 reset_agent = 1; 1745 } 1746 1747 if (ocb == NULL) 1748 goto done; 1749 1750 switch(ntohl(ocb->orb[4]) & ORB_FMT_MSK){ 1751 case ORB_FMT_NOP: 1752 break; 1753 case ORB_FMT_VED: 1754 break; 1755 case ORB_FMT_STD: 1756 switch(ocb->flags) { 1757 case OCB_ACT_MGM: 1758 orb_fun = ntohl(ocb->orb[4]) & ORB_FUN_MSK; 1759 reset_agent = 0; 1760 switch(orb_fun) { 1761 case ORB_FUN_LGI: 1762 fwdma_sync(&sdev->dma, BUS_DMASYNC_POSTREAD); 1763 login_res = sdev->login; 1764 login_res->len = ntohs(login_res->len); 1765 login_res->id = ntohs(login_res->id); 1766 login_res->cmd_hi = ntohs(login_res->cmd_hi); 1767 login_res->cmd_lo = ntohl(login_res->cmd_lo); 1768 if (status_valid) { 1769 SBP_DEBUG(0) 1770 sbp_show_sdev_info(sdev, 2); 1771 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)); 1772 END_DEBUG 1773 sbp_busy_timeout(sdev); 1774 } else { 1775 /* forgot logout? */ 1776 sbp_show_sdev_info(sdev, 2); 1777 printf("login failed\n"); 1778 sdev->status = SBP_DEV_RESET; 1779 } 1780 break; 1781 case ORB_FUN_RCN: 1782 login_res = sdev->login; 1783 if (status_valid) { 1784 SBP_DEBUG(0) 1785 sbp_show_sdev_info(sdev, 2); 1786 printf("reconnect: len %d, ID %d, cmd %08x%08x\n", login_res->len, login_res->id, login_res->cmd_hi, login_res->cmd_lo); 1787 END_DEBUG 1788 #if 1 1789 if (sdev->status == SBP_DEV_ATTACHED) 1790 sbp_scan_dev(sdev); 1791 else 1792 sbp_agent_reset(sdev); 1793 #else 1794 sdev->status = SBP_DEV_ATTACHED; 1795 sbp_mgm_orb(sdev, ORB_FUN_ATS, NULL); 1796 #endif 1797 } else { 1798 /* reconnection hold time exceed? */ 1799 SBP_DEBUG(0) 1800 sbp_show_sdev_info(sdev, 2); 1801 printf("reconnect failed\n"); 1802 END_DEBUG 1803 sbp_login(sdev); 1804 } 1805 break; 1806 case ORB_FUN_LGO: 1807 sdev->status = SBP_DEV_RESET; 1808 break; 1809 case ORB_FUN_RST: 1810 sbp_busy_timeout(sdev); 1811 break; 1812 case ORB_FUN_LUR: 1813 case ORB_FUN_ATA: 1814 case ORB_FUN_ATS: 1815 sbp_agent_reset(sdev); 1816 break; 1817 default: 1818 sbp_show_sdev_info(sdev, 2); 1819 printf("unknown function %d\n", orb_fun); 1820 break; 1821 } 1822 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 1823 break; 1824 case OCB_ACT_CMD: 1825 sdev->timeout = 0; 1826 if(ocb->ccb != NULL){ 1827 union ccb *ccb; 1828 /* 1829 uint32_t *ld; 1830 ld = ocb->ccb->csio.data_ptr; 1831 if(ld != NULL && ocb->ccb->csio.dxfer_len != 0) 1832 printf("ptr %08x %08x %08x %08x\n", ld[0], ld[1], ld[2], ld[3]); 1833 else 1834 printf("ptr NULL\n"); 1835 printf("len %d\n", sbp_status->len); 1836 */ 1837 ccb = ocb->ccb; 1838 if(sbp_status->len > 1){ 1839 sbp_scsi_status(sbp_status, ocb); 1840 }else{ 1841 if(sbp_status->resp != ORB_RES_CMPL){ 1842 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1843 }else{ 1844 ccb->ccb_h.status = CAM_REQ_CMP; 1845 } 1846 } 1847 /* fix up inq data */ 1848 if (ccb->csio.cdb_io.cdb_bytes[0] == INQUIRY) 1849 sbp_fix_inq_data(ocb); 1850 xpt_done(ccb); 1851 } 1852 break; 1853 default: 1854 break; 1855 } 1856 } 1857 1858 if (!use_doorbell) 1859 sbp_free_ocb(sdev, ocb); 1860 done: 1861 if (reset_agent) 1862 sbp_agent_reset(sdev); 1863 1864 done0: 1865 xfer->recv.pay_len = SBP_RECV_LEN; 1866 /* The received packet is usually small enough to be stored within 1867 * the buffer. In that case, the controller return ack_complete and 1868 * no respose is necessary. 1869 * 1870 * XXX fwohci.c and firewire.c should inform event_code such as 1871 * ack_complete or ack_pending to upper driver. 1872 */ 1873 #if NEED_RESPONSE 1874 xfer->send.off = 0; 1875 sfp = (struct fw_pkt *)xfer->send.buf; 1876 sfp->mode.wres.dst = rfp->mode.wreqb.src; 1877 xfer->dst = sfp->mode.wres.dst; 1878 xfer->spd = min(sdev->target->fwdev->speed, max_speed); 1879 xfer->act.hand = sbp_loginres_callback; 1880 xfer->retry_req = fw_asybusy; 1881 1882 sfp->mode.wres.tlrt = rfp->mode.wreqb.tlrt; 1883 sfp->mode.wres.tcode = FWTCODE_WRES; 1884 sfp->mode.wres.rtcode = 0; 1885 sfp->mode.wres.pri = 0; 1886 1887 fw_asyreq(xfer->fc, -1, xfer); 1888 #else 1889 /* recycle */ 1890 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link); 1891 #endif 1892 1893 return; 1894 1895 } 1896 1897 static void 1898 sbp_recv(struct fw_xfer *xfer) 1899 { 1900 int s; 1901 1902 s = splcam(); 1903 sbp_recv1(xfer); 1904 splx(s); 1905 } 1906 /* 1907 * sbp_attach() 1908 */ 1909 static int 1910 sbp_attach(device_t dev) 1911 { 1912 struct sbp_softc *sbp; 1913 struct cam_devq *devq; 1914 struct fw_xfer *xfer; 1915 int i, s, error; 1916 1917 SBP_DEBUG(0) 1918 printf("sbp_attach (cold=%d)\n", cold); 1919 END_DEBUG 1920 1921 if (cold) 1922 sbp_cold ++; 1923 sbp = ((struct sbp_softc *)device_get_softc(dev)); 1924 bzero(sbp, sizeof(struct sbp_softc)); 1925 sbp->fd.dev = dev; 1926 sbp->fd.fc = device_get_ivars(dev); 1927 1928 if (max_speed < 0) 1929 max_speed = sbp->fd.fc->speed; 1930 1931 error = bus_dma_tag_create(/*parent*/sbp->fd.fc->dmat, 1932 /* XXX shoud be 4 for sane backend? */ 1933 /*alignment*/1, 1934 /*boundary*/0, 1935 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, 1936 /*highaddr*/BUS_SPACE_MAXADDR, 1937 /*filter*/NULL, /*filterarg*/NULL, 1938 /*maxsize*/0x100000, /*nsegments*/SBP_IND_MAX, 1939 /*maxsegsz*/SBP_SEG_MAX, 1940 /*flags*/BUS_DMA_ALLOCNOW, 1941 #if defined(__FreeBSD__) && __FreeBSD_version >= 501102 1942 /*lockfunc*/busdma_lock_mutex, 1943 /*lockarg*/&Giant, 1944 #endif 1945 &sbp->dmat); 1946 if (error != 0) { 1947 printf("sbp_attach: Could not allocate DMA tag " 1948 "- error %d\n", error); 1949 return (ENOMEM); 1950 } 1951 1952 devq = cam_simq_alloc(/*maxopenings*/SBP_NUM_OCB); 1953 if (devq == NULL) 1954 return (ENXIO); 1955 1956 for( i = 0 ; i < SBP_NUM_TARGETS ; i++){ 1957 sbp->targets[i].fwdev = NULL; 1958 sbp->targets[i].luns = NULL; 1959 } 1960 1961 sbp->sim = cam_sim_alloc(sbp_action, sbp_poll, "sbp", sbp, 1962 device_get_unit(dev), 1963 /*untagged*/ 1, 1964 /*tagged*/ SBP_QUEUE_LEN - 1, 1965 devq); 1966 1967 if (sbp->sim == NULL) { 1968 cam_simq_free(devq); 1969 return (ENXIO); 1970 } 1971 1972 1973 if (xpt_bus_register(sbp->sim, /*bus*/0) != CAM_SUCCESS) 1974 goto fail; 1975 1976 if (xpt_create_path(&sbp->path, xpt_periph, cam_sim_path(sbp->sim), 1977 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 1978 xpt_bus_deregister(cam_sim_path(sbp->sim)); 1979 goto fail; 1980 } 1981 1982 /* We reserve 16 bit space (4 bytes X 64 targets X 256 luns) */ 1983 sbp->fwb.start = ((u_int64_t)SBP_BIND_HI << 32) | SBP_DEV2ADDR(0, 0); 1984 sbp->fwb.end = sbp->fwb.start + 0xffff; 1985 sbp->fwb.act_type = FWACT_XFER; 1986 /* pre-allocate xfer */ 1987 STAILQ_INIT(&sbp->fwb.xferlist); 1988 for (i = 0; i < SBP_NUM_OCB/2; i ++) { 1989 xfer = fw_xfer_alloc_buf(M_SBP, 1990 /* send */0, 1991 /* recv */SBP_RECV_LEN); 1992 xfer->act.hand = sbp_recv; 1993 #if NEED_RESPONSE 1994 xfer->fc = sbp->fd.fc; 1995 #endif 1996 xfer->sc = (caddr_t)sbp; 1997 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link); 1998 } 1999 fw_bindadd(sbp->fd.fc, &sbp->fwb); 2000 2001 sbp->fd.post_busreset = sbp_post_busreset; 2002 sbp->fd.post_explore = sbp_post_explore; 2003 2004 if (sbp->fd.fc->status != -1) { 2005 s = splfw(); 2006 sbp_post_busreset((void *)sbp); 2007 sbp_post_explore((void *)sbp); 2008 splx(s); 2009 } 2010 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL); 2011 2012 return (0); 2013 fail: 2014 cam_sim_free(sbp->sim, /*free_devq*/TRUE); 2015 return (ENXIO); 2016 } 2017 2018 static int 2019 sbp_logout_all(struct sbp_softc *sbp) 2020 { 2021 struct sbp_target *target; 2022 struct sbp_dev *sdev; 2023 int i, j; 2024 2025 SBP_DEBUG(0) 2026 printf("sbp_logout_all\n"); 2027 END_DEBUG 2028 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) { 2029 target = &sbp->targets[i]; 2030 if (target->luns == NULL) 2031 continue; 2032 for (j = 0; j < target->num_lun; j++) { 2033 sdev = target->luns[j]; 2034 if (sdev == NULL) 2035 continue; 2036 callout_stop(&sdev->login_callout); 2037 if (sdev->status >= SBP_DEV_TOATTACH && 2038 sdev->status <= SBP_DEV_ATTACHED) 2039 sbp_mgm_orb(sdev, ORB_FUN_LGO, NULL); 2040 } 2041 } 2042 2043 return 0; 2044 } 2045 2046 static int 2047 sbp_shutdown(device_t dev) 2048 { 2049 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 2050 2051 sbp_logout_all(sbp); 2052 return (0); 2053 } 2054 2055 static void 2056 sbp_free_sdev(struct sbp_dev *sdev) 2057 { 2058 int i; 2059 2060 if (sdev == NULL) 2061 return; 2062 for (i = 0; i < SBP_QUEUE_LEN; i++) 2063 bus_dmamap_destroy(sdev->target->sbp->dmat, 2064 sdev->ocb[i].dmamap); 2065 fwdma_free(sdev->target->sbp->fd.fc, &sdev->dma); 2066 free(sdev, M_SBP); 2067 } 2068 2069 static void 2070 sbp_free_target(struct sbp_target *target) 2071 { 2072 struct sbp_softc *sbp; 2073 struct fw_xfer *xfer, *next; 2074 int i; 2075 2076 if (target->luns == NULL) 2077 return; 2078 callout_stop(&target->mgm_ocb_timeout); 2079 sbp = target->sbp; 2080 for (i = 0; i < target->num_lun; i++) 2081 sbp_free_sdev(target->luns[i]); 2082 2083 for (xfer = STAILQ_FIRST(&target->xferlist); 2084 xfer != NULL; xfer = next) { 2085 next = STAILQ_NEXT(xfer, link); 2086 fw_xfer_free_buf(xfer); 2087 } 2088 STAILQ_INIT(&target->xferlist); 2089 free(target->luns, M_SBP); 2090 target->num_lun = 0;; 2091 target->luns = NULL; 2092 target->fwdev = NULL; 2093 } 2094 2095 static int 2096 sbp_detach(device_t dev) 2097 { 2098 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 2099 struct firewire_comm *fc = sbp->fd.fc; 2100 struct fw_xfer *xfer, *next; 2101 int i; 2102 2103 SBP_DEBUG(0) 2104 printf("sbp_detach\n"); 2105 END_DEBUG 2106 2107 for (i = 0; i < SBP_NUM_TARGETS; i ++) 2108 sbp_cam_detach_target(&sbp->targets[i]); 2109 xpt_async(AC_LOST_DEVICE, sbp->path, NULL); 2110 xpt_free_path(sbp->path); 2111 xpt_bus_deregister(cam_sim_path(sbp->sim)); 2112 cam_sim_free(sbp->sim, /*free_devq*/ TRUE), 2113 2114 sbp_logout_all(sbp); 2115 2116 /* XXX wait for logout completion */ 2117 pause("sbpdtc", hz/2); 2118 2119 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) 2120 sbp_free_target(&sbp->targets[i]); 2121 2122 for (xfer = STAILQ_FIRST(&sbp->fwb.xferlist); 2123 xfer != NULL; xfer = next) { 2124 next = STAILQ_NEXT(xfer, link); 2125 fw_xfer_free_buf(xfer); 2126 } 2127 STAILQ_INIT(&sbp->fwb.xferlist); 2128 fw_bindremove(fc, &sbp->fwb); 2129 2130 bus_dma_tag_destroy(sbp->dmat); 2131 2132 return (0); 2133 } 2134 2135 static void 2136 sbp_cam_detach_sdev(struct sbp_dev *sdev) 2137 { 2138 if (sdev == NULL) 2139 return; 2140 if (sdev->status == SBP_DEV_DEAD) 2141 return; 2142 if (sdev->status == SBP_DEV_RESET) 2143 return; 2144 if (sdev->path) { 2145 xpt_release_devq(sdev->path, 2146 sdev->freeze, TRUE); 2147 sdev->freeze = 0; 2148 xpt_async(AC_LOST_DEVICE, sdev->path, NULL); 2149 xpt_free_path(sdev->path); 2150 sdev->path = NULL; 2151 } 2152 sbp_abort_all_ocbs(sdev, CAM_DEV_NOT_THERE); 2153 } 2154 2155 static void 2156 sbp_cam_detach_target(struct sbp_target *target) 2157 { 2158 int i; 2159 2160 if (target->luns != NULL) { 2161 SBP_DEBUG(0) 2162 printf("sbp_detach_target %d\n", target->target_id); 2163 END_DEBUG 2164 callout_stop(&target->scan_callout); 2165 for (i = 0; i < target->num_lun; i++) 2166 sbp_cam_detach_sdev(target->luns[i]); 2167 } 2168 } 2169 2170 static void 2171 sbp_target_reset(struct sbp_dev *sdev, int method) 2172 { 2173 int i; 2174 struct sbp_target *target = sdev->target; 2175 struct sbp_dev *tsdev; 2176 2177 for (i = 0; i < target->num_lun; i++) { 2178 tsdev = target->luns[i]; 2179 if (tsdev == NULL) 2180 continue; 2181 if (tsdev->status == SBP_DEV_DEAD) 2182 continue; 2183 if (tsdev->status == SBP_DEV_RESET) 2184 continue; 2185 xpt_freeze_devq(tsdev->path, 1); 2186 tsdev->freeze ++; 2187 sbp_abort_all_ocbs(tsdev, CAM_CMD_TIMEOUT); 2188 if (method == 2) 2189 tsdev->status = SBP_DEV_LOGIN; 2190 } 2191 switch(method) { 2192 case 1: 2193 printf("target reset\n"); 2194 sbp_mgm_orb(sdev, ORB_FUN_RST, NULL); 2195 break; 2196 case 2: 2197 printf("reset start\n"); 2198 sbp_reset_start(sdev); 2199 break; 2200 } 2201 2202 } 2203 2204 static void 2205 sbp_mgm_timeout(void *arg) 2206 { 2207 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 2208 struct sbp_dev *sdev = ocb->sdev; 2209 struct sbp_target *target = sdev->target; 2210 2211 sbp_show_sdev_info(sdev, 2); 2212 printf("request timeout(mgm orb:0x%08x) ... ", 2213 (uint32_t)ocb->bus_addr); 2214 target->mgm_ocb_cur = NULL; 2215 sbp_free_ocb(sdev, ocb); 2216 #if 0 2217 /* XXX */ 2218 printf("run next request\n"); 2219 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 2220 #endif 2221 #if 1 2222 printf("reset start\n"); 2223 sbp_reset_start(sdev); 2224 #endif 2225 } 2226 2227 static void 2228 sbp_timeout(void *arg) 2229 { 2230 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 2231 struct sbp_dev *sdev = ocb->sdev; 2232 2233 sbp_show_sdev_info(sdev, 2); 2234 printf("request timeout(cmd orb:0x%08x) ... ", 2235 (uint32_t)ocb->bus_addr); 2236 2237 sdev->timeout ++; 2238 switch(sdev->timeout) { 2239 case 1: 2240 printf("agent reset\n"); 2241 xpt_freeze_devq(sdev->path, 1); 2242 sdev->freeze ++; 2243 sbp_abort_all_ocbs(sdev, CAM_CMD_TIMEOUT); 2244 sbp_agent_reset(sdev); 2245 break; 2246 case 2: 2247 case 3: 2248 sbp_target_reset(sdev, sdev->timeout - 1); 2249 break; 2250 #if 0 2251 default: 2252 /* XXX give up */ 2253 sbp_cam_detach_target(target); 2254 if (target->luns != NULL) 2255 free(target->luns, M_SBP); 2256 target->num_lun = 0;; 2257 target->luns = NULL; 2258 target->fwdev = NULL; 2259 #endif 2260 } 2261 } 2262 2263 static void 2264 sbp_action1(struct cam_sim *sim, union ccb *ccb) 2265 { 2266 2267 struct sbp_softc *sbp = (struct sbp_softc *)sim->softc; 2268 struct sbp_target *target = NULL; 2269 struct sbp_dev *sdev = NULL; 2270 2271 /* target:lun -> sdev mapping */ 2272 if (sbp != NULL 2273 && ccb->ccb_h.target_id != CAM_TARGET_WILDCARD 2274 && ccb->ccb_h.target_id < SBP_NUM_TARGETS) { 2275 target = &sbp->targets[ccb->ccb_h.target_id]; 2276 if (target->fwdev != NULL 2277 && ccb->ccb_h.target_lun != CAM_LUN_WILDCARD 2278 && ccb->ccb_h.target_lun < target->num_lun) { 2279 sdev = target->luns[ccb->ccb_h.target_lun]; 2280 if (sdev != NULL && sdev->status != SBP_DEV_ATTACHED && 2281 sdev->status != SBP_DEV_PROBE) 2282 sdev = NULL; 2283 } 2284 } 2285 2286 SBP_DEBUG(1) 2287 if (sdev == NULL) 2288 printf("invalid target %d lun %d\n", 2289 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2290 END_DEBUG 2291 2292 switch (ccb->ccb_h.func_code) { 2293 case XPT_SCSI_IO: 2294 case XPT_RESET_DEV: 2295 case XPT_GET_TRAN_SETTINGS: 2296 case XPT_SET_TRAN_SETTINGS: 2297 case XPT_CALC_GEOMETRY: 2298 if (sdev == NULL) { 2299 SBP_DEBUG(1) 2300 printf("%s:%d:%d:func_code 0x%04x: " 2301 "Invalid target (target needed)\n", 2302 device_get_nameunit(sbp->fd.dev), 2303 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2304 ccb->ccb_h.func_code); 2305 END_DEBUG 2306 2307 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2308 xpt_done(ccb); 2309 return; 2310 } 2311 break; 2312 case XPT_PATH_INQ: 2313 case XPT_NOOP: 2314 /* The opcodes sometimes aimed at a target (sc is valid), 2315 * sometimes aimed at the SIM (sc is invalid and target is 2316 * CAM_TARGET_WILDCARD) 2317 */ 2318 if (sbp == NULL && 2319 ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) { 2320 SBP_DEBUG(0) 2321 printf("%s:%d:%d func_code 0x%04x: " 2322 "Invalid target (no wildcard)\n", 2323 device_get_nameunit(sbp->fd.dev), 2324 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2325 ccb->ccb_h.func_code); 2326 END_DEBUG 2327 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2328 xpt_done(ccb); 2329 return; 2330 } 2331 break; 2332 default: 2333 /* XXX Hm, we should check the input parameters */ 2334 break; 2335 } 2336 2337 switch (ccb->ccb_h.func_code) { 2338 case XPT_SCSI_IO: 2339 { 2340 struct ccb_scsiio *csio; 2341 struct sbp_ocb *ocb; 2342 int speed; 2343 void *cdb; 2344 2345 csio = &ccb->csio; 2346 2347 SBP_DEBUG(2) 2348 printf("%s:%d:%d XPT_SCSI_IO: " 2349 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 2350 ", flags: 0x%02x, " 2351 "%db cmd/%db data/%db sense\n", 2352 device_get_nameunit(sbp->fd.dev), 2353 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2354 csio->cdb_io.cdb_bytes[0], 2355 csio->cdb_io.cdb_bytes[1], 2356 csio->cdb_io.cdb_bytes[2], 2357 csio->cdb_io.cdb_bytes[3], 2358 csio->cdb_io.cdb_bytes[4], 2359 csio->cdb_io.cdb_bytes[5], 2360 csio->cdb_io.cdb_bytes[6], 2361 csio->cdb_io.cdb_bytes[7], 2362 csio->cdb_io.cdb_bytes[8], 2363 csio->cdb_io.cdb_bytes[9], 2364 ccb->ccb_h.flags & CAM_DIR_MASK, 2365 csio->cdb_len, csio->dxfer_len, 2366 csio->sense_len); 2367 END_DEBUG 2368 if(sdev == NULL){ 2369 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2370 xpt_done(ccb); 2371 return; 2372 } 2373 #if 0 2374 /* if we are in probe stage, pass only probe commands */ 2375 if (sdev->status == SBP_DEV_PROBE) { 2376 char *name; 2377 name = xpt_path_periph(ccb->ccb_h.path)->periph_name; 2378 printf("probe stage, periph name: %s\n", name); 2379 if (strcmp(name, "probe") != 0) { 2380 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2381 xpt_done(ccb); 2382 return; 2383 } 2384 } 2385 #endif 2386 if ((ocb = sbp_get_ocb(sdev)) == NULL) { 2387 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2388 if (sdev->freeze == 0) { 2389 xpt_freeze_devq(sdev->path, 1); 2390 sdev->freeze ++; 2391 } 2392 xpt_done(ccb); 2393 return; 2394 } 2395 2396 ocb->flags = OCB_ACT_CMD; 2397 ocb->sdev = sdev; 2398 ocb->ccb = ccb; 2399 ccb->ccb_h.ccb_sdev_ptr = sdev; 2400 ocb->orb[0] = htonl(1 << 31); 2401 ocb->orb[1] = 0; 2402 ocb->orb[2] = htonl(((sbp->fd.fc->nodeid | FWLOCALBUS )<< 16) ); 2403 ocb->orb[3] = htonl(ocb->bus_addr + IND_PTR_OFFSET); 2404 speed = min(target->fwdev->speed, max_speed); 2405 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_CMD_SPD(speed) 2406 | ORB_CMD_MAXP(speed + 7)); 2407 if((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN){ 2408 ocb->orb[4] |= htonl(ORB_CMD_IN); 2409 } 2410 2411 if (csio->ccb_h.flags & CAM_SCATTER_VALID) 2412 printf("sbp: CAM_SCATTER_VALID\n"); 2413 if (csio->ccb_h.flags & CAM_DATA_PHYS) 2414 printf("sbp: CAM_DATA_PHYS\n"); 2415 2416 if (csio->ccb_h.flags & CAM_CDB_POINTER) 2417 cdb = (void *)csio->cdb_io.cdb_ptr; 2418 else 2419 cdb = (void *)&csio->cdb_io.cdb_bytes; 2420 bcopy(cdb, (void *)&ocb->orb[5], csio->cdb_len); 2421 /* 2422 printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[0]), ntohl(ocb->orb[1]), ntohl(ocb->orb[2]), ntohl(ocb->orb[3])); 2423 printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[4]), ntohl(ocb->orb[5]), ntohl(ocb->orb[6]), ntohl(ocb->orb[7])); 2424 */ 2425 if (ccb->csio.dxfer_len > 0) { 2426 int s, error; 2427 2428 s = splsoftvm(); 2429 error = bus_dmamap_load(/*dma tag*/sbp->dmat, 2430 /*dma map*/ocb->dmamap, 2431 ccb->csio.data_ptr, 2432 ccb->csio.dxfer_len, 2433 sbp_execute_ocb, 2434 ocb, 2435 /*flags*/0); 2436 splx(s); 2437 if (error) 2438 printf("sbp: bus_dmamap_load error %d\n", error); 2439 } else 2440 sbp_execute_ocb(ocb, NULL, 0, 0); 2441 break; 2442 } 2443 case XPT_CALC_GEOMETRY: 2444 { 2445 struct ccb_calc_geometry *ccg; 2446 #if defined(__DragonFly__) || __FreeBSD_version < 501100 2447 uint32_t size_mb; 2448 uint32_t secs_per_cylinder; 2449 int extended = 1; 2450 #endif 2451 2452 ccg = &ccb->ccg; 2453 if (ccg->block_size == 0) { 2454 printf("sbp_action1: block_size is 0.\n"); 2455 ccb->ccb_h.status = CAM_REQ_INVALID; 2456 xpt_done(ccb); 2457 break; 2458 } 2459 SBP_DEBUG(1) 2460 printf("%s:%d:%d:%d:XPT_CALC_GEOMETRY: " 2461 #if defined(__DragonFly__) || __FreeBSD_version < 500000 2462 "Volume size = %d\n", 2463 #else 2464 "Volume size = %jd\n", 2465 #endif 2466 device_get_nameunit(sbp->fd.dev), 2467 cam_sim_path(sbp->sim), 2468 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2469 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000 2470 (uintmax_t) 2471 #endif 2472 ccg->volume_size); 2473 END_DEBUG 2474 2475 #if defined(__DragonFly__) || __FreeBSD_version < 501100 2476 size_mb = ccg->volume_size 2477 / ((1024L * 1024L) / ccg->block_size); 2478 2479 if (size_mb > 1024 && extended) { 2480 ccg->heads = 255; 2481 ccg->secs_per_track = 63; 2482 } else { 2483 ccg->heads = 64; 2484 ccg->secs_per_track = 32; 2485 } 2486 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 2487 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 2488 ccb->ccb_h.status = CAM_REQ_CMP; 2489 #else 2490 cam_calc_geometry(ccg, /*extended*/1); 2491 #endif 2492 xpt_done(ccb); 2493 break; 2494 } 2495 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 2496 { 2497 2498 SBP_DEBUG(1) 2499 printf("%s:%d:XPT_RESET_BUS: \n", 2500 device_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim)); 2501 END_DEBUG 2502 2503 ccb->ccb_h.status = CAM_REQ_INVALID; 2504 xpt_done(ccb); 2505 break; 2506 } 2507 case XPT_PATH_INQ: /* Path routing inquiry */ 2508 { 2509 struct ccb_pathinq *cpi = &ccb->cpi; 2510 2511 SBP_DEBUG(1) 2512 printf("%s:%d:%d XPT_PATH_INQ:.\n", 2513 device_get_nameunit(sbp->fd.dev), 2514 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2515 END_DEBUG 2516 cpi->version_num = 1; /* XXX??? */ 2517 cpi->hba_inquiry = PI_TAG_ABLE; 2518 cpi->target_sprt = 0; 2519 cpi->hba_misc = PIM_NOBUSRESET | PIM_NO_6_BYTE; 2520 cpi->hba_eng_cnt = 0; 2521 cpi->max_target = SBP_NUM_TARGETS - 1; 2522 cpi->max_lun = SBP_NUM_LUNS - 1; 2523 cpi->initiator_id = SBP_INITIATOR; 2524 cpi->bus_id = sim->bus_id; 2525 cpi->base_transfer_speed = 400 * 1000 / 8; 2526 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 2527 strncpy(cpi->hba_vid, "SBP", HBA_IDLEN); 2528 strncpy(cpi->dev_name, sim->sim_name, DEV_IDLEN); 2529 cpi->unit_number = sim->unit_number; 2530 cpi->transport = XPORT_SPI; /* XX should have a FireWire */ 2531 cpi->transport_version = 2; 2532 cpi->protocol = PROTO_SCSI; 2533 cpi->protocol_version = SCSI_REV_2; 2534 2535 cpi->ccb_h.status = CAM_REQ_CMP; 2536 xpt_done(ccb); 2537 break; 2538 } 2539 case XPT_GET_TRAN_SETTINGS: 2540 { 2541 struct ccb_trans_settings *cts = &ccb->cts; 2542 struct ccb_trans_settings_scsi *scsi = 2543 &cts->proto_specific.scsi; 2544 struct ccb_trans_settings_spi *spi = 2545 &cts->xport_specific.spi; 2546 2547 cts->protocol = PROTO_SCSI; 2548 cts->protocol_version = SCSI_REV_2; 2549 cts->transport = XPORT_SPI; /* should have a FireWire */ 2550 cts->transport_version = 2; 2551 spi->valid = CTS_SPI_VALID_DISC; 2552 spi->flags = CTS_SPI_FLAGS_DISC_ENB; 2553 scsi->valid = CTS_SCSI_VALID_TQ; 2554 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; 2555 SBP_DEBUG(1) 2556 printf("%s:%d:%d XPT_GET_TRAN_SETTINGS:.\n", 2557 device_get_nameunit(sbp->fd.dev), 2558 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2559 END_DEBUG 2560 cts->ccb_h.status = CAM_REQ_CMP; 2561 xpt_done(ccb); 2562 break; 2563 } 2564 case XPT_ABORT: 2565 ccb->ccb_h.status = CAM_UA_ABORT; 2566 xpt_done(ccb); 2567 break; 2568 case XPT_SET_TRAN_SETTINGS: 2569 /* XXX */ 2570 default: 2571 ccb->ccb_h.status = CAM_REQ_INVALID; 2572 xpt_done(ccb); 2573 break; 2574 } 2575 return; 2576 } 2577 2578 static void 2579 sbp_action(struct cam_sim *sim, union ccb *ccb) 2580 { 2581 int s; 2582 2583 s = splfw(); 2584 sbp_action1(sim, ccb); 2585 splx(s); 2586 } 2587 2588 static void 2589 sbp_execute_ocb(void *arg, bus_dma_segment_t *segments, int seg, int error) 2590 { 2591 int i; 2592 struct sbp_ocb *ocb; 2593 struct sbp_ocb *prev; 2594 bus_dma_segment_t *s; 2595 2596 if (error) 2597 printf("sbp_execute_ocb: error=%d\n", error); 2598 2599 ocb = (struct sbp_ocb *)arg; 2600 2601 SBP_DEBUG(2) 2602 printf("sbp_execute_ocb: seg %d", seg); 2603 for (i = 0; i < seg; i++) 2604 #if defined(__DragonFly__) || __FreeBSD_version < 500000 2605 printf(", %x:%d", segments[i].ds_addr, segments[i].ds_len); 2606 #else 2607 printf(", %jx:%jd", (uintmax_t)segments[i].ds_addr, 2608 (uintmax_t)segments[i].ds_len); 2609 #endif 2610 printf("\n"); 2611 END_DEBUG 2612 2613 if (seg == 1) { 2614 /* direct pointer */ 2615 s = &segments[0]; 2616 if (s->ds_len > SBP_SEG_MAX) 2617 panic("ds_len > SBP_SEG_MAX, fix busdma code"); 2618 ocb->orb[3] = htonl(s->ds_addr); 2619 ocb->orb[4] |= htonl(s->ds_len); 2620 } else if(seg > 1) { 2621 /* page table */ 2622 for (i = 0; i < seg; i++) { 2623 s = &segments[i]; 2624 SBP_DEBUG(0) 2625 /* XXX LSI Logic "< 16 byte" bug might be hit */ 2626 if (s->ds_len < 16) 2627 printf("sbp_execute_ocb: warning, " 2628 #if defined(__DragonFly__) || __FreeBSD_version < 500000 2629 "segment length(%d) is less than 16." 2630 #else 2631 "segment length(%zd) is less than 16." 2632 #endif 2633 "(seg=%d/%d)\n", s->ds_len, i+1, seg); 2634 END_DEBUG 2635 if (s->ds_len > SBP_SEG_MAX) 2636 panic("ds_len > SBP_SEG_MAX, fix busdma code"); 2637 ocb->ind_ptr[i].hi = htonl(s->ds_len << 16); 2638 ocb->ind_ptr[i].lo = htonl(s->ds_addr); 2639 } 2640 ocb->orb[4] |= htonl(ORB_CMD_PTBL | seg); 2641 } 2642 2643 if (seg > 0) 2644 bus_dmamap_sync(ocb->sdev->target->sbp->dmat, ocb->dmamap, 2645 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2646 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE); 2647 prev = sbp_enqueue_ocb(ocb->sdev, ocb); 2648 fwdma_sync(&ocb->sdev->dma, BUS_DMASYNC_PREWRITE); 2649 if (use_doorbell) { 2650 if (prev == NULL) { 2651 if (ocb->sdev->last_ocb != NULL) 2652 sbp_doorbell(ocb->sdev); 2653 else 2654 sbp_orb_pointer(ocb->sdev, ocb); 2655 } 2656 } else { 2657 if (prev == NULL || (ocb->sdev->flags & ORB_LINK_DEAD) != 0) { 2658 ocb->sdev->flags &= ~ORB_LINK_DEAD; 2659 sbp_orb_pointer(ocb->sdev, ocb); 2660 } 2661 } 2662 } 2663 2664 static void 2665 sbp_poll(struct cam_sim *sim) 2666 { 2667 struct sbp_softc *sbp; 2668 struct firewire_comm *fc; 2669 2670 sbp = (struct sbp_softc *)sim->softc; 2671 fc = sbp->fd.fc; 2672 2673 fc->poll(fc, 0, -1); 2674 2675 return; 2676 } 2677 2678 static struct sbp_ocb * 2679 sbp_dequeue_ocb(struct sbp_dev *sdev, struct sbp_status *sbp_status) 2680 { 2681 struct sbp_ocb *ocb; 2682 struct sbp_ocb *next; 2683 int s = splfw(), order = 0; 2684 int flags; 2685 2686 SBP_DEBUG(1) 2687 sbp_show_sdev_info(sdev, 2); 2688 #if defined(__DragonFly__) || __FreeBSD_version < 500000 2689 printf("%s: 0x%08lx src %d\n", 2690 #else 2691 printf("%s: 0x%08x src %d\n", 2692 #endif 2693 __func__, ntohl(sbp_status->orb_lo), sbp_status->src); 2694 END_DEBUG 2695 for (ocb = STAILQ_FIRST(&sdev->ocbs); ocb != NULL; ocb = next) { 2696 next = STAILQ_NEXT(ocb, ocb); 2697 flags = ocb->flags; 2698 if (OCB_MATCH(ocb, sbp_status)) { 2699 /* found */ 2700 STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb); 2701 if (ocb->ccb != NULL) 2702 untimeout(sbp_timeout, (caddr_t)ocb, 2703 ocb->ccb->ccb_h.timeout_ch); 2704 if (ntohl(ocb->orb[4]) & 0xffff) { 2705 bus_dmamap_sync(sdev->target->sbp->dmat, 2706 ocb->dmamap, 2707 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2708 BUS_DMASYNC_POSTREAD : 2709 BUS_DMASYNC_POSTWRITE); 2710 bus_dmamap_unload(sdev->target->sbp->dmat, 2711 ocb->dmamap); 2712 } 2713 if (!use_doorbell) { 2714 if (sbp_status->src == SRC_NO_NEXT) { 2715 if (next != NULL) 2716 sbp_orb_pointer(sdev, next); 2717 else if (order > 0) { 2718 /* 2719 * Unordered execution 2720 * We need to send pointer for 2721 * next ORB 2722 */ 2723 sdev->flags |= ORB_LINK_DEAD; 2724 } 2725 } 2726 } else { 2727 /* 2728 * XXX this is not correct for unordered 2729 * execution. 2730 */ 2731 if (sdev->last_ocb != NULL) 2732 sbp_free_ocb(sdev, sdev->last_ocb); 2733 sdev->last_ocb = ocb; 2734 if (next != NULL && 2735 sbp_status->src == SRC_NO_NEXT) 2736 sbp_doorbell(sdev); 2737 } 2738 break; 2739 } else 2740 order ++; 2741 } 2742 splx(s); 2743 SBP_DEBUG(0) 2744 if (ocb && order > 0) { 2745 sbp_show_sdev_info(sdev, 2); 2746 printf("unordered execution order:%d\n", order); 2747 } 2748 END_DEBUG 2749 return (ocb); 2750 } 2751 2752 static struct sbp_ocb * 2753 sbp_enqueue_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 2754 { 2755 int s = splfw(); 2756 struct sbp_ocb *prev, *prev2; 2757 2758 SBP_DEBUG(1) 2759 sbp_show_sdev_info(sdev, 2); 2760 #if defined(__DragonFly__) || __FreeBSD_version < 500000 2761 printf("%s: 0x%08x\n", __func__, ocb->bus_addr); 2762 #else 2763 printf("%s: 0x%08jx\n", __func__, (uintmax_t)ocb->bus_addr); 2764 #endif 2765 END_DEBUG 2766 prev2 = prev = STAILQ_LAST(&sdev->ocbs, sbp_ocb, ocb); 2767 STAILQ_INSERT_TAIL(&sdev->ocbs, ocb, ocb); 2768 2769 if (ocb->ccb != NULL) 2770 ocb->ccb->ccb_h.timeout_ch = timeout(sbp_timeout, (caddr_t)ocb, 2771 (ocb->ccb->ccb_h.timeout * hz) / 1000); 2772 2773 if (use_doorbell && prev == NULL) 2774 prev2 = sdev->last_ocb; 2775 2776 if (prev2 != NULL) { 2777 SBP_DEBUG(2) 2778 #if defined(__DragonFly__) || __FreeBSD_version < 500000 2779 printf("linking chain 0x%x -> 0x%x\n", 2780 prev2->bus_addr, ocb->bus_addr); 2781 #else 2782 printf("linking chain 0x%jx -> 0x%jx\n", 2783 (uintmax_t)prev2->bus_addr, (uintmax_t)ocb->bus_addr); 2784 #endif 2785 END_DEBUG 2786 prev2->orb[1] = htonl(ocb->bus_addr); 2787 prev2->orb[0] = 0; 2788 } 2789 splx(s); 2790 2791 return prev; 2792 } 2793 2794 static struct sbp_ocb * 2795 sbp_get_ocb(struct sbp_dev *sdev) 2796 { 2797 struct sbp_ocb *ocb; 2798 int s = splfw(); 2799 ocb = STAILQ_FIRST(&sdev->free_ocbs); 2800 if (ocb == NULL) { 2801 sdev->flags |= ORB_SHORTAGE; 2802 printf("ocb shortage!!!\n"); 2803 splx(s); 2804 return NULL; 2805 } 2806 STAILQ_REMOVE_HEAD(&sdev->free_ocbs, ocb); 2807 splx(s); 2808 ocb->ccb = NULL; 2809 return (ocb); 2810 } 2811 2812 static void 2813 sbp_free_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 2814 { 2815 ocb->flags = 0; 2816 ocb->ccb = NULL; 2817 STAILQ_INSERT_TAIL(&sdev->free_ocbs, ocb, ocb); 2818 if ((sdev->flags & ORB_SHORTAGE) != 0) { 2819 int count; 2820 2821 sdev->flags &= ~ORB_SHORTAGE; 2822 count = sdev->freeze; 2823 sdev->freeze = 0; 2824 xpt_release_devq(sdev->path, count, TRUE); 2825 } 2826 } 2827 2828 static void 2829 sbp_abort_ocb(struct sbp_ocb *ocb, int status) 2830 { 2831 struct sbp_dev *sdev; 2832 2833 sdev = ocb->sdev; 2834 SBP_DEBUG(0) 2835 sbp_show_sdev_info(sdev, 2); 2836 #if defined(__DragonFly__) || __FreeBSD_version < 500000 2837 printf("sbp_abort_ocb 0x%x\n", ocb->bus_addr); 2838 #else 2839 printf("sbp_abort_ocb 0x%jx\n", (uintmax_t)ocb->bus_addr); 2840 #endif 2841 END_DEBUG 2842 SBP_DEBUG(1) 2843 if (ocb->ccb != NULL) 2844 sbp_print_scsi_cmd(ocb); 2845 END_DEBUG 2846 if (ntohl(ocb->orb[4]) & 0xffff) { 2847 bus_dmamap_sync(sdev->target->sbp->dmat, ocb->dmamap, 2848 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2849 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 2850 bus_dmamap_unload(sdev->target->sbp->dmat, ocb->dmamap); 2851 } 2852 if (ocb->ccb != NULL) { 2853 untimeout(sbp_timeout, (caddr_t)ocb, 2854 ocb->ccb->ccb_h.timeout_ch); 2855 ocb->ccb->ccb_h.status = status; 2856 xpt_done(ocb->ccb); 2857 } 2858 sbp_free_ocb(sdev, ocb); 2859 } 2860 2861 static void 2862 sbp_abort_all_ocbs(struct sbp_dev *sdev, int status) 2863 { 2864 int s; 2865 struct sbp_ocb *ocb, *next; 2866 STAILQ_HEAD(, sbp_ocb) temp; 2867 2868 s = splfw(); 2869 2870 bcopy(&sdev->ocbs, &temp, sizeof(temp)); 2871 STAILQ_INIT(&sdev->ocbs); 2872 for (ocb = STAILQ_FIRST(&temp); ocb != NULL; ocb = next) { 2873 next = STAILQ_NEXT(ocb, ocb); 2874 sbp_abort_ocb(ocb, status); 2875 } 2876 if (sdev->last_ocb != NULL) { 2877 sbp_free_ocb(sdev, sdev->last_ocb); 2878 sdev->last_ocb = NULL; 2879 } 2880 2881 splx(s); 2882 } 2883 2884 static devclass_t sbp_devclass; 2885 2886 static device_method_t sbp_methods[] = { 2887 /* device interface */ 2888 DEVMETHOD(device_identify, sbp_identify), 2889 DEVMETHOD(device_probe, sbp_probe), 2890 DEVMETHOD(device_attach, sbp_attach), 2891 DEVMETHOD(device_detach, sbp_detach), 2892 DEVMETHOD(device_shutdown, sbp_shutdown), 2893 2894 { 0, 0 } 2895 }; 2896 2897 static driver_t sbp_driver = { 2898 "sbp", 2899 sbp_methods, 2900 sizeof(struct sbp_softc), 2901 }; 2902 #ifdef __DragonFly__ 2903 DECLARE_DUMMY_MODULE(sbp); 2904 #endif 2905 DRIVER_MODULE(sbp, firewire, sbp_driver, sbp_devclass, 0, 0); 2906 MODULE_VERSION(sbp, 1); 2907 MODULE_DEPEND(sbp, firewire, 1, 1, 1); 2908 MODULE_DEPEND(sbp, cam, 1, 1, 1); 2909