1 /* 2 * Copyright (c) 1998,1999,2000,2001 Katsushi Kobayashi and Hidetosh Shimokawa 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the acknowledgement as bellow: 15 * 16 * This product includes software developed by K. Kobayashi and H. Shimokawa 17 * 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 23 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 24 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 25 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 26 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 27 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 29 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 30 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 * 33 * $FreeBSD$ 34 * 35 */ 36 37 #include <sys/param.h> 38 #include <sys/systm.h> 39 #include <sys/module.h> 40 #include <sys/bus.h> 41 #include <sys/mbuf.h> 42 #include <sys/sysctl.h> 43 #include <machine/bus.h> 44 #include <sys/malloc.h> 45 #include <sys/devicestat.h> /* for struct devstat */ 46 47 48 #include <cam/cam.h> 49 #include <cam/cam_ccb.h> 50 #include <cam/cam_sim.h> 51 #include <cam/cam_xpt_sim.h> 52 #include <cam/cam_debug.h> 53 #include <cam/cam_periph.h> 54 55 #include <cam/scsi/scsi_all.h> 56 #include <cam/scsi/scsi_message.h> 57 #include <cam/scsi/scsi_da.h> 58 59 #include <sys/kernel.h> 60 61 #include <vm/vm.h> 62 #include <vm/pmap.h> 63 64 #include <dev/firewire/firewire.h> 65 #include <dev/firewire/firewirereg.h> 66 #include <dev/firewire/iec13213.h> 67 68 #define ccb_sdev_ptr spriv_ptr0 69 #define ccb_sbp_ptr spriv_ptr1 70 71 #define SBP_NUM_TARGETS 8 72 #define SBP_NUM_LUNS 8 /* limited by CAM_SCSI2_MAXLUN in cam_xpt.c */ 73 #define SBP_QUEUE_LEN 4 74 #define SBP_NUM_OCB (SBP_QUEUE_LEN * SBP_NUM_TARGETS) 75 #define SBP_INITIATOR 7 76 #define SBP_ESELECT_TIMEOUT 1 77 #define SBP_BIND_HI 0x1 78 #define SBP_DEV2ADDR(u, t, l) \ 79 ((((u) & 0xff) << 16) | (((l) & 0xff) << 8) | (((t) & 0x3f) << 2)) 80 #define SBP_ADDR2TRG(a) (((a) >> 2) & 0x3f) 81 #define SBP_ADDR2LUN(a) (((a) >> 8) & 0xff) 82 83 #define MAX_FREEZE 10 84 85 #define ORB_NOTIFY (1 << 31) 86 #define ORB_FMT_STD (0 << 29) 87 #define ORB_FMT_VED (2 << 29) 88 #define ORB_FMT_NOP (3 << 29) 89 #define ORB_FMT_MSK (3 << 29) 90 #define ORB_EXV (1 << 28) 91 /* */ 92 #define ORB_CMD_IN (1 << 27) 93 /* */ 94 #define ORB_CMD_SPD(x) ((x) << 24) 95 #define ORB_CMD_MAXP(x) ((x) << 20) 96 #define ORB_RCN_TMO(x) ((x) << 20) 97 #define ORB_CMD_PTBL (1 << 19) 98 #define ORB_CMD_PSZ(x) ((x) << 16) 99 100 #define ORB_FUN_LGI (0 << 16) 101 #define ORB_FUN_QLG (1 << 16) 102 #define ORB_FUN_RCN (3 << 16) 103 #define ORB_FUN_LGO (7 << 16) 104 #define ORB_FUN_ATA (0xb << 16) 105 #define ORB_FUN_ATS (0xc << 16) 106 #define ORB_FUN_LUR (0xe << 16) 107 #define ORB_FUN_RST (0xf << 16) 108 #define ORB_FUN_MSK (0xf << 16) 109 110 static char *orb_fun_name[] = { 111 /* 0 */ "LOGIN", 112 /* 1 */ "QUERY LOGINS", 113 /* 2 */ "Reserved", 114 /* 3 */ "RECONNECT", 115 /* 4 */ "SET PASSWORD", 116 /* 5 */ "Reserved", 117 /* 6 */ "Reserved", 118 /* 7 */ "LOGOUT", 119 /* 8 */ "Reserved", 120 /* 9 */ "Reserved", 121 /* A */ "Reserved", 122 /* B */ "ABORT TASK", 123 /* C */ "ABORT TASK SET", 124 /* D */ "Reserved", 125 /* E */ "LOGICAL UNIT RESET", 126 /* F */ "TARGET RESET" 127 }; 128 129 #define ORB_RES_CMPL 0 130 #define ORB_RES_FAIL 1 131 #define ORB_RES_ILLE 2 132 #define ORB_RES_VEND 3 133 134 static int debug = 0; 135 static int auto_login = 1; 136 static int max_speed = 2; 137 138 SYSCTL_DECL(_hw_firewire); 139 SYSCTL_NODE(_hw_firewire, OID_AUTO, sbp, CTLFLAG_RD, 0, "SBP-II Subsystem"); 140 SYSCTL_INT(_debug, OID_AUTO, sbp_debug, CTLFLAG_RW, &debug, 0, 141 "SBP debug flag"); 142 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, auto_login, CTLFLAG_RW, &auto_login, 0, 143 "SBP perform login automatically"); 144 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, max_speed, CTLFLAG_RW, &max_speed, 0, 145 "SBP transfer max speed"); 146 147 #define SBP_DEBUG(x) if (debug > x) { 148 #define END_DEBUG } 149 150 #define NEED_RESPONSE 0 151 152 struct ind_ptr { 153 u_int32_t hi,lo; 154 }; 155 #define SBP_IND_MAX 0x20 156 struct sbp_ocb { 157 STAILQ_ENTRY(sbp_ocb) ocb; 158 union ccb *ccb; 159 volatile u_int32_t orb[8]; 160 volatile struct ind_ptr ind_ptr[SBP_IND_MAX]; 161 struct sbp_dev *sdev; 162 int flags; 163 bus_dmamap_t dmamap; 164 }; 165 #define OCB_ACT_MGM 0 166 #define OCB_ACT_CMD 1 167 #define OCB_ACT_MASK 3 168 #define OCB_RESERVED 0x10 169 #define OCB_DONE 0x20 170 171 #define SBP_RESOURCE_SHORTAGE 0x10 172 173 struct sbp_login_res{ 174 u_int16_t len; 175 u_int16_t id; 176 u_int16_t res0; 177 u_int16_t cmd_hi; 178 u_int32_t cmd_lo; 179 u_int16_t res1; 180 u_int16_t recon_hold; 181 }; 182 struct sbp_status{ 183 u_int8_t len:3, 184 dead:1, 185 resp:2, 186 src:2; 187 u_int8_t status:8; 188 u_int16_t orb_hi; 189 u_int32_t orb_lo; 190 u_int32_t data[6]; 191 }; 192 struct sbp_cmd_status{ 193 #define SBP_SFMT_CURR 0 194 #define SBP_SFMT_DEFER 1 195 u_int8_t status:6, 196 sfmt:2; 197 u_int8_t s_key:4, 198 ill_len:1, 199 eom:1, 200 mark:1, 201 valid:1; 202 u_int8_t s_code; 203 u_int8_t s_qlfr; 204 u_int32_t info; 205 u_int32_t cdb; 206 u_int32_t fru:8, 207 s_keydep:24; 208 u_int32_t vend[2]; 209 }; 210 211 struct sbp_dev{ 212 #define SBP_DEV_RESET 0 /* accept login */ 213 #if 0 214 #define SBP_DEV_LOGIN 1 /* to login */ 215 #define SBP_DEV_RECONN 2 /* to reconnect */ 216 #endif 217 #define SBP_DEV_TOATTACH 3 /* to attach */ 218 #define SBP_DEV_PROBE 4 /* scan lun */ 219 #define SBP_DEV_ATTACHED 5 /* in operation */ 220 #define SBP_DEV_DEAD 6 /* unavailable unit */ 221 #define SBP_DEV_RETRY 7 /* unavailable unit */ 222 u_int8_t status:4, 223 #define SBP_DEV_TIMEOUT 1 224 flags:4; 225 u_int8_t type; 226 u_int16_t lun_id; 227 struct cam_path *path; 228 struct sbp_target *target; 229 struct sbp_login_res login; 230 STAILQ_HEAD(, sbp_ocb) ocbs; 231 char vendor[32]; 232 char product[32]; 233 char revision[10]; 234 }; 235 236 struct sbp_target { 237 int target_id; 238 int num_lun; 239 struct sbp_dev *luns; 240 struct sbp_softc *sbp; 241 struct fw_device *fwdev; 242 u_int32_t mgm_hi, mgm_lo; 243 }; 244 245 struct sbp_softc { 246 struct firewire_dev_comm fd; 247 unsigned char flags; 248 struct cam_sim *sim; 249 struct sbp_target targets[SBP_NUM_TARGETS]; 250 struct fw_bind fwb; 251 STAILQ_HEAD(, sbp_ocb) free_ocbs; 252 struct sbp_ocb *ocb; 253 bus_dma_tag_t dmat; 254 }; 255 static void sbp_post_explore __P((void *)); 256 static void sbp_recv __P((struct fw_xfer *)); 257 static void sbp_login_callback __P((struct fw_xfer *)); 258 static void sbp_cmd_callback __P((struct fw_xfer *)); 259 static void sbp_orb_pointer __P((struct sbp_dev *, struct sbp_ocb *)); 260 static void sbp_execute_ocb __P((void *, bus_dma_segment_t *, int, int)); 261 static void sbp_free_ocb __P((struct sbp_softc *, struct sbp_ocb *)); 262 static void sbp_abort_ocb __P((struct sbp_ocb *, int)); 263 static void sbp_abort_all_ocbs __P((struct sbp_dev *, int)); 264 static struct fw_xfer * sbp_write_cmd __P((struct sbp_dev *, int, int)); 265 static struct sbp_ocb * sbp_get_ocb __P((struct sbp_softc *)); 266 static struct sbp_ocb * sbp_enqueue_ocb __P((struct sbp_dev *, struct sbp_ocb *)); 267 static struct sbp_ocb * sbp_dequeue_ocb __P((struct sbp_dev *, u_int32_t)); 268 static void sbp_cam_detach_target __P((struct sbp_target *)); 269 static void sbp_timeout __P((void *arg)); 270 static void sbp_mgm_orb __P((struct sbp_dev *, int, u_int16_t, u_int32_t)); 271 272 MALLOC_DEFINE(M_SBP, "sbp", "SBP-II/FireWire"); 273 274 /* cam related functions */ 275 static void sbp_action(struct cam_sim *sim, union ccb *ccb); 276 static void sbp_poll(struct cam_sim *sim); 277 static void sbp_cam_callback(struct cam_periph *periph, 278 union ccb *ccb); 279 static void sbp_cam_scan_lun(struct sbp_dev *sdev); 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, "SBP2/SCSI over firewire"); 354 return (0); 355 } 356 357 static void 358 sbp_show_sdev_info(struct sbp_dev *sdev, int new) 359 { 360 struct fw_device *fwdev; 361 362 printf("%s:%d:%d ", 363 device_get_nameunit(sdev->target->sbp->fd.dev), 364 sdev->target->target_id, 365 sdev->lun_id 366 ); 367 if (new == 2) { 368 return; 369 } 370 fwdev = sdev->target->fwdev; 371 printf("ordered:%d type:%d EUI:%08x%08x node:%d " 372 "speed:%d maxrec:%d", 373 (sdev->type & 0x40) >> 6, 374 (sdev->type & 0x1f), 375 fwdev->eui.hi, 376 fwdev->eui.lo, 377 fwdev->dst, 378 fwdev->speed, 379 fwdev->maxrec 380 ); 381 if (new) 382 printf(" new!\n"); 383 else 384 printf("\n"); 385 sbp_show_sdev_info(sdev, 2); 386 printf("'%s' '%s' '%s'\n", sdev->vendor, sdev->product, sdev->revision); 387 } 388 389 static struct { 390 int bus; 391 int target; 392 struct fw_eui64 eui; 393 } wired[] = { 394 /* Bus Target EUI64 */ 395 #if 0 396 {0, 2, {0x00018ea0, 0x01fd0154}}, /* Logitec HDD */ 397 {0, 0, {0x00018ea6, 0x00100682}}, /* Logitec DVD */ 398 {0, 1, {0x00d03200, 0xa412006a}}, /* Yano HDD */ 399 #endif 400 {-1, -1, {0,0}} 401 }; 402 403 static int 404 sbp_new_target(struct sbp_softc *sbp, struct fw_device *fwdev) 405 { 406 int bus, i, target=-1; 407 char w[SBP_NUM_TARGETS]; 408 409 bzero(w, sizeof(w)); 410 bus = device_get_unit(sbp->fd.dev); 411 412 /* XXX wired-down configuration should be gotten from 413 tunable or device hint */ 414 for (i = 0; wired[i].bus >= 0; i ++) { 415 if (wired[i].bus == bus) { 416 w[wired[i].target] = 1; 417 if (wired[i].eui.hi == fwdev->eui.hi && 418 wired[i].eui.lo == fwdev->eui.lo) 419 target = wired[i].target; 420 } 421 } 422 if (target >= 0) { 423 if(target < SBP_NUM_TARGETS && 424 sbp->targets[target].fwdev == NULL) 425 return(target); 426 device_printf(sbp->fd.dev, 427 "target %d is not free for %08x:%08x\n", 428 target, fwdev->eui.hi, fwdev->eui.lo); 429 target = -1; 430 } 431 /* non-wired target */ 432 for (i = 0; i < SBP_NUM_TARGETS; i ++) 433 if (sbp->targets[i].fwdev == NULL && w[i] == 0) { 434 target = i; 435 break; 436 } 437 438 return target; 439 } 440 441 static struct sbp_target * 442 sbp_alloc_target(struct sbp_softc *sbp, struct fw_device *fwdev) 443 { 444 int i, maxlun, lun; 445 struct sbp_target *target; 446 struct sbp_dev *sdev; 447 struct crom_context cc; 448 struct csrreg *reg; 449 450 SBP_DEBUG(1) 451 printf("sbp_alloc_target\n"); 452 END_DEBUG 453 i = sbp_new_target(sbp, fwdev); 454 if (i < 0) { 455 device_printf(sbp->fd.dev, "increase SBP_NUM_TARGETS!\n"); 456 return NULL; 457 } 458 /* new target */ 459 target = &sbp->targets[i]; 460 target->sbp = sbp; 461 target->fwdev = fwdev; 462 target->target_id = i; 463 if((target->mgm_lo = getcsrdata(fwdev, 0x54)) == 0 ){ 464 /* bad target */ 465 printf("NULL management address\n"); 466 target->fwdev = NULL; 467 return NULL; 468 } 469 target->mgm_hi = 0xffff; 470 target->mgm_lo = 0xf0000000 | target->mgm_lo << 2; 471 /* XXX num_lun may be changed. realloc luns? */ 472 crom_init_context(&cc, target->fwdev->csrrom); 473 /* XXX shoud parse appropriate unit directories only */ 474 maxlun = -1; 475 while (cc.depth >= 0) { 476 reg = crom_search_key(&cc, CROM_LUN); 477 if (reg == NULL) 478 break; 479 lun = reg->val & 0xffff; 480 SBP_DEBUG(0) 481 printf("target %d lun %d found\n", target->target_id, lun); 482 END_DEBUG 483 if (maxlun < lun) 484 maxlun = lun; 485 crom_next(&cc); 486 } 487 if (maxlun < 0) 488 printf("no lun found!\n"); 489 if (maxlun >= SBP_NUM_LUNS) 490 maxlun = SBP_NUM_LUNS; 491 target->num_lun = maxlun + 1; 492 target->luns = (struct sbp_dev *) malloc( 493 sizeof(struct sbp_dev) * target->num_lun, 494 M_SBP, M_NOWAIT | M_ZERO); 495 for (i = 0; i < target->num_lun; i++) { 496 sdev = &target->luns[i]; 497 sdev->lun_id = i; 498 sdev->target = target; 499 STAILQ_INIT(&sdev->ocbs); 500 sdev->status = SBP_DEV_DEAD; 501 } 502 crom_init_context(&cc, target->fwdev->csrrom); 503 while (cc.depth >= 0) { 504 reg = crom_search_key(&cc, CROM_LUN); 505 if (reg == NULL) 506 break; 507 lun = reg->val & 0xffff; 508 if (lun >= SBP_NUM_LUNS) { 509 printf("too large lun %d\n", lun); 510 continue; 511 } 512 target->luns[lun].status = SBP_DEV_RESET; 513 target->luns[lun].type = (reg->val & 0xf0000) >> 16; 514 crom_next(&cc); 515 } 516 return target; 517 } 518 519 static void 520 sbp_get_text_leaf(struct fw_device *fwdev, int key, char *buf, int len) 521 { 522 static char *nullstr = "(null)"; 523 int i, clen, found=0; 524 struct csrhdr *chdr; 525 struct csrreg *creg; 526 u_int32_t *src, *dst; 527 528 chdr = (struct csrhdr *)&fwdev->csrrom[0]; 529 /* skip crom header, bus info and root directory */ 530 creg = (struct csrreg *)chdr + chdr->info_len + 2; 531 /* search unitl the one before the last. */ 532 for (i = chdr->info_len + 2; i < fwdev->rommax / 4; i++) { 533 if((creg++)->key == key){ 534 found = 1; 535 break; 536 } 537 } 538 if (!found || creg->key != CROM_TEXTLEAF) { 539 strncpy(buf, nullstr, len); 540 return; 541 } 542 src = (u_int32_t *) creg + creg->val; 543 clen = ((*src >> 16) - 2) * 4; 544 src += 3; 545 dst = (u_int32_t *) buf; 546 if (len < clen) 547 clen = len; 548 for (i = 0; i < clen/4; i++) 549 *dst++ = htonl(*src++); 550 buf[clen] = 0; 551 } 552 553 static void 554 sbp_probe_lun(struct sbp_dev *sdev) 555 { 556 struct fw_device *fwdev; 557 int rev; 558 559 fwdev = sdev->target->fwdev; 560 bzero(sdev->vendor, sizeof(sdev->vendor)); 561 bzero(sdev->product, sizeof(sdev->product)); 562 sbp_get_text_leaf(fwdev, 0x03, sdev->vendor, sizeof(sdev->vendor)); 563 sbp_get_text_leaf(fwdev, 0x17, sdev->product, sizeof(sdev->product)); 564 rev = getcsrdata(sdev->target->fwdev, 0x3c); 565 snprintf(sdev->revision, sizeof(sdev->revision), "%06x", rev); 566 } 567 static void 568 sbp_probe_target(struct sbp_target *target, int alive) 569 { 570 struct sbp_softc *sbp; 571 struct sbp_dev *sdev; 572 struct firewire_comm *fc; 573 int i; 574 575 SBP_DEBUG(1) 576 printf("sbp_probe_target %d\n", target->target_id); 577 if (!alive) 578 printf("not alive\n"); 579 END_DEBUG 580 581 sbp = target->sbp; 582 fc = target->sbp->fd.fc; 583 for (i=0; i < target->num_lun; i++) { 584 sdev = &target->luns[i]; 585 if (alive && (sdev->status != SBP_DEV_DEAD)) { 586 if (sdev->path != NULL) { 587 xpt_freeze_devq(sdev->path, 1); 588 } 589 sbp_abort_all_ocbs(sdev, CAM_REQUEUE_REQ); 590 switch (sdev->status) { 591 case SBP_DEV_RESET: 592 /* new or revived target */ 593 sbp_probe_lun(sdev); 594 if (auto_login) { 595 sdev->status = SBP_DEV_TOATTACH; 596 sbp_mgm_orb(sdev, ORB_FUN_LGI, 0, 0); 597 } 598 break; 599 case SBP_DEV_RETRY: 600 sbp_probe_lun(sdev); 601 default: 602 sbp_mgm_orb(sdev, ORB_FUN_RCN, 0, 0); 603 break; 604 } 605 SBP_DEBUG(0) 606 sbp_show_sdev_info(sdev, 607 (sdev->status == SBP_DEV_TOATTACH)); 608 END_DEBUG 609 } else { 610 switch (sdev->status) { 611 case SBP_DEV_ATTACHED: 612 SBP_DEBUG(0) 613 /* the device has gone */ 614 sbp_show_sdev_info(sdev, 2); 615 printf("lost target\n"); 616 END_DEBUG 617 if (sdev->path) 618 xpt_freeze_devq(sdev->path, 1); 619 sdev->status = SBP_DEV_RETRY; 620 sbp_abort_all_ocbs(sdev, CAM_REQUEUE_REQ); 621 break; 622 case SBP_DEV_PROBE: 623 case SBP_DEV_TOATTACH: 624 sdev->status = SBP_DEV_RESET; 625 break; 626 case SBP_DEV_RETRY: 627 case SBP_DEV_RESET: 628 case SBP_DEV_DEAD: 629 break; 630 } 631 } 632 } 633 } 634 635 static void 636 sbp_post_explore(void *arg) 637 { 638 struct sbp_softc *sbp = (struct sbp_softc *)arg; 639 struct sbp_target *target; 640 struct fw_device *fwdev; 641 int i, alive; 642 643 SBP_DEBUG(1) 644 printf("sbp_post_explore\n"); 645 END_DEBUG 646 #if 0 647 xpt_freeze_simq(sbp->sim, /*count*/ 1); 648 #endif 649 /* Gabage Collection */ 650 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){ 651 target = &sbp->targets[i]; 652 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) 653 if (target->fwdev == NULL || target->fwdev == fwdev) 654 break; 655 if(fwdev == NULL){ 656 /* device has removed in lower driver */ 657 sbp_cam_detach_target(target); 658 if (target->luns != NULL) 659 free(target->luns, M_SBP); 660 target->num_lun = 0;; 661 target->luns = NULL; 662 target->fwdev = NULL; 663 } 664 } 665 /* traverse device list */ 666 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) { 667 SBP_DEBUG(0) 668 printf("sbp_post_explore: EUI:%08x%08x ", 669 fwdev->eui.hi, fwdev->eui.lo); 670 if (fwdev->status == FWDEVATTACHED) { 671 printf("spec=%d key=%d.\n", 672 getcsrdata(fwdev, CSRKEY_SPEC) == CSRVAL_ANSIT10, 673 getcsrdata(fwdev, CSRKEY_VER) == CSRVAL_T10SBP2); 674 } else { 675 printf("not attached, state=%d.\n", fwdev->status); 676 } 677 END_DEBUG 678 alive = (fwdev->status == FWDEVATTACHED) 679 && (getcsrdata(fwdev, CSRKEY_SPEC) == CSRVAL_ANSIT10) 680 && (getcsrdata(fwdev, CSRKEY_VER) == CSRVAL_T10SBP2); 681 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){ 682 target = &sbp->targets[i]; 683 if(target->fwdev == fwdev ) { 684 /* known target */ 685 break; 686 } 687 } 688 if(i == SBP_NUM_TARGETS){ 689 if (alive) { 690 /* new target */ 691 target = sbp_alloc_target(sbp, fwdev); 692 if (target == NULL) 693 continue; 694 } else { 695 continue; 696 } 697 } 698 sbp_probe_target(target, alive); 699 } 700 #if 0 701 timeout(sbp_release_queue, (caddr_t)sbp, bus_reset_rest * hz / 1000); 702 #endif 703 } 704 705 #if NEED_RESPONSE 706 static void 707 sbp_loginres_callback(struct fw_xfer *xfer){ 708 SBP_DEBUG(1) 709 struct sbp_dev *sdev; 710 sdev = (struct sbp_dev *)xfer->sc; 711 sbp_show_sdev_info(sdev, 2); 712 printf("sbp_loginres_callback\n"); 713 END_DEBUG 714 fw_xfer_free(xfer); 715 return; 716 } 717 #endif 718 719 static void 720 sbp_login_callback(struct fw_xfer *xfer) 721 { 722 SBP_DEBUG(1) 723 struct sbp_dev *sdev; 724 sdev = (struct sbp_dev *)xfer->sc; 725 sbp_show_sdev_info(sdev, 2); 726 printf("sbp_login_callback\n"); 727 END_DEBUG 728 fw_xfer_free(xfer); 729 return; 730 } 731 732 static void 733 sbp_cmd_callback(struct fw_xfer *xfer) 734 { 735 SBP_DEBUG(2) 736 struct sbp_dev *sdev; 737 sdev = (struct sbp_dev *)xfer->sc; 738 sbp_show_sdev_info(sdev, 2); 739 printf("sbp_cmd_callback\n"); 740 END_DEBUG 741 fw_xfer_free(xfer); 742 return; 743 } 744 745 static void 746 sbp_cam_callback(struct cam_periph *periph, union ccb *ccb) 747 { 748 struct sbp_dev *sdev; 749 sdev = (struct sbp_dev *) ccb->ccb_h.ccb_sdev_ptr; 750 SBP_DEBUG(0) 751 sbp_show_sdev_info(sdev, 2); 752 printf("sbp_cam_callback\n"); 753 END_DEBUG 754 sdev->status = SBP_DEV_ATTACHED; 755 free(ccb, M_SBP); 756 } 757 758 static void 759 sbp_cam_scan_lun(struct sbp_dev *sdev) 760 { 761 union ccb *ccb; 762 763 ccb = malloc(sizeof(union ccb), M_SBP, M_NOWAIT | M_ZERO); 764 if (ccb == NULL) { 765 printf("sbp_cam_scan_lun: malloc failed\n"); 766 return; 767 } 768 769 SBP_DEBUG(0) 770 sbp_show_sdev_info(sdev, 2); 771 printf("sbp_cam_scan_lun\n"); 772 END_DEBUG 773 xpt_setup_ccb(&ccb->ccb_h, sdev->path, 5/*priority (low)*/); 774 ccb->ccb_h.func_code = XPT_SCAN_LUN; 775 ccb->ccb_h.cbfcnp = sbp_cam_callback; 776 ccb->crcn.flags = CAM_FLAG_NONE; 777 ccb->ccb_h.ccb_sdev_ptr = sdev; 778 779 /* The scan is in progress now. */ 780 sdev->status = SBP_DEV_PROBE; 781 xpt_action(ccb); 782 } 783 784 785 static void 786 sbp_ping_unit_callback(struct cam_periph *periph, union ccb *ccb) 787 { 788 struct sbp_dev *sdev; 789 sdev = (struct sbp_dev *) ccb->ccb_h.ccb_sdev_ptr; 790 SBP_DEBUG(0) 791 sbp_show_sdev_info(sdev, 2); 792 printf("sbp_ping_unit_callback\n"); 793 END_DEBUG 794 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 795 if (--ccb->ccb_h.retry_count == 0) { 796 sbp_show_sdev_info(sdev, 2); 797 printf("sbp_ping_unit_callback: " 798 "retry count exceeded\n"); 799 sdev->status = SBP_DEV_RETRY; 800 free(ccb, M_SBP); 801 } else { 802 /* requeue */ 803 xpt_action(ccb); 804 xpt_release_devq(sdev->path, MAX_FREEZE, TRUE); 805 } 806 } else { 807 free(ccb->csio.data_ptr, M_SBP); 808 free(ccb, M_SBP); 809 sdev->status = SBP_DEV_ATTACHED; 810 xpt_release_devq(sdev->path, MAX_FREEZE, TRUE); 811 } 812 } 813 814 /* 815 * XXX Some devices need to execute inquiry or read_capacity 816 * after bus_rest during busy transfer. 817 * Otherwise they return incorrect result for READ(and WRITE?) 818 * command without any SBP-II/SCSI error. 819 * 820 * e.g. Maxtor 3000XT, Yano A-dish. 821 */ 822 static void 823 sbp_ping_unit(struct sbp_dev *sdev) 824 { 825 union ccb *ccb; 826 struct scsi_inquiry_data *inq_buf; 827 828 829 ccb = malloc(sizeof(union ccb), M_SBP, M_NOWAIT | M_ZERO); 830 if (ccb == NULL) { 831 printf("sbp_ping_unit: malloc failed\n"); 832 return; 833 } 834 835 inq_buf = (struct scsi_inquiry_data *) 836 malloc(sizeof(*inq_buf), M_SBP, M_NOWAIT); 837 if (inq_buf == NULL) { 838 free(ccb, M_SBP); 839 printf("sbp_ping_unit: malloc failed\n"); 840 return; 841 } 842 843 SBP_DEBUG(0) 844 sbp_show_sdev_info(sdev, 2); 845 printf("sbp_ping_unit\n"); 846 END_DEBUG 847 848 /* 849 * We need to execute this command before any other queued command. 850 * Make priority 0 and freeze queue after execution for retry. 851 * cam's scan_lun command doesn't provide this feature. 852 */ 853 xpt_setup_ccb(&ccb->ccb_h, sdev->path, 0/*priority (high)*/); 854 scsi_inquiry( 855 &ccb->csio, 856 /*retries*/ 5, 857 sbp_ping_unit_callback, 858 MSG_SIMPLE_Q_TAG, 859 (u_int8_t *)inq_buf, 860 SHORT_INQUIRY_LENGTH, 861 /*evpd*/FALSE, 862 /*page_code*/0, 863 SSD_MIN_SIZE, 864 /*timeout*/60000 865 ); 866 ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 867 xpt_action(ccb); 868 sdev->status = SBP_DEV_PROBE; 869 } 870 871 static void 872 sbp_do_attach(struct fw_xfer *xfer) 873 { 874 struct sbp_dev *sdev; 875 876 sdev = (struct sbp_dev *)xfer->sc; 877 SBP_DEBUG(0) 878 sbp_show_sdev_info(sdev, 2); 879 printf("sbp_do_attach\n"); 880 END_DEBUG 881 fw_xfer_free(xfer); 882 if (sdev->path == NULL) 883 xpt_create_path(&sdev->path, xpt_periph, 884 cam_sim_path(sdev->target->sbp->sim), 885 sdev->target->target_id, sdev->lun_id); 886 887 if (sdev->status == SBP_DEV_RETRY) 888 sbp_ping_unit(sdev); 889 else 890 sbp_cam_scan_lun(sdev); 891 xpt_release_devq(sdev->path, MAX_FREEZE, TRUE); 892 return; 893 } 894 895 static void 896 sbp_agent_reset_callback(struct fw_xfer *xfer) 897 { 898 struct sbp_dev *sdev; 899 900 sdev = (struct sbp_dev *)xfer->sc; 901 SBP_DEBUG(1) 902 sbp_show_sdev_info(sdev, 2); 903 printf("sbp_cmd_callback\n"); 904 END_DEBUG 905 fw_xfer_free(xfer); 906 sbp_abort_all_ocbs(sdev, CAM_REQUEUE_REQ); 907 if (sdev->path) 908 xpt_release_devq(sdev->path, MAX_FREEZE, TRUE); 909 } 910 911 static void 912 sbp_agent_reset(struct sbp_dev *sdev) 913 { 914 struct fw_xfer *xfer; 915 struct fw_pkt *fp; 916 917 SBP_DEBUG(0) 918 sbp_show_sdev_info(sdev, 2); 919 printf("sbp_agent_reset\n"); 920 END_DEBUG 921 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x04); 922 if (xfer == NULL) 923 return; 924 if (sdev->status == SBP_DEV_ATTACHED) 925 xfer->act.hand = sbp_agent_reset_callback; 926 else 927 xfer->act.hand = sbp_do_attach; 928 fp = (struct fw_pkt *)xfer->send.buf; 929 fp->mode.wreqq.data = htonl(0xf); 930 fw_asyreq(xfer->fc, -1, xfer); 931 } 932 933 static void 934 sbp_busy_timeout_callback(struct fw_xfer *xfer) 935 { 936 struct sbp_dev *sdev; 937 938 sdev = (struct sbp_dev *)xfer->sc; 939 SBP_DEBUG(1) 940 sbp_show_sdev_info(sdev, 2); 941 printf("sbp_busy_timeout_callback\n"); 942 END_DEBUG 943 fw_xfer_free(xfer); 944 sbp_agent_reset(sdev); 945 } 946 947 static void 948 sbp_busy_timeout(struct sbp_dev *sdev) 949 { 950 struct fw_pkt *fp; 951 struct fw_xfer *xfer; 952 SBP_DEBUG(0) 953 sbp_show_sdev_info(sdev, 2); 954 printf("sbp_busy_timeout\n"); 955 END_DEBUG 956 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 957 958 xfer->act.hand = sbp_busy_timeout_callback; 959 fp = (struct fw_pkt *)xfer->send.buf; 960 fp->mode.wreqq.dest_hi = htons(0xffff); 961 fp->mode.wreqq.dest_lo = htonl(0xf0000000 | BUSY_TIMEOUT); 962 fp->mode.wreqq.data = htonl((1 << (13+12)) | 0xf); 963 fw_asyreq(xfer->fc, -1, xfer); 964 } 965 966 #if 0 967 static void 968 sbp_reset_start(struct sbp_dev *sdev) 969 { 970 struct fw_xfer *xfer; 971 struct fw_pkt *fp; 972 973 SBP_DEBUG(0) 974 sbp_show_sdev_info(sdev, 2); 975 printf("sbp_reset_start\n"); 976 END_DEBUG 977 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 978 979 xfer->act.hand = sbp_busy_timeout; 980 fp = (struct fw_pkt *)xfer->send.buf; 981 fp->mode.wreqq.dest_hi = htons(0xffff); 982 fp->mode.wreqq.dest_lo = htonl(0xf0000000 | RESET_START); 983 fp->mode.wreqq.data = htonl(0xf); 984 fw_asyreq(xfer->fc, -1, xfer); 985 } 986 #endif 987 988 static void 989 sbp_orb_pointer(struct sbp_dev *sdev, struct sbp_ocb *ocb) 990 { 991 struct fw_xfer *xfer; 992 struct fw_pkt *fp; 993 SBP_DEBUG(2) 994 sbp_show_sdev_info(sdev, 2); 995 printf("sbp_orb_pointer\n"); 996 END_DEBUG 997 998 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0x08); 999 if (xfer == NULL) 1000 return; 1001 xfer->act.hand = sbp_cmd_callback; 1002 1003 fp = (struct fw_pkt *)xfer->send.buf; 1004 fp->mode.wreqb.len = htons(8); 1005 fp->mode.wreqb.extcode = 0; 1006 fp->mode.wreqb.payload[0] = 1007 htonl(((sdev->target->sbp->fd.fc->nodeid | FWLOCALBUS )<< 16)); 1008 fp->mode.wreqb.payload[1] = htonl(vtophys(&ocb->orb[0])); 1009 1010 if(fw_asyreq(xfer->fc, -1, xfer) != 0){ 1011 fw_xfer_free(xfer); 1012 ocb->ccb->ccb_h.status = CAM_REQ_INVALID; 1013 xpt_done(ocb->ccb); 1014 } 1015 } 1016 1017 static void 1018 sbp_doorbell(struct sbp_dev *sdev) 1019 { 1020 struct fw_xfer *xfer; 1021 struct fw_pkt *fp; 1022 SBP_DEBUG(1) 1023 sbp_show_sdev_info(sdev, 2); 1024 printf("sbp_doorbell\n"); 1025 END_DEBUG 1026 1027 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x10); 1028 if (xfer == NULL) 1029 return; 1030 xfer->act.hand = sbp_cmd_callback; 1031 fp = (struct fw_pkt *)xfer->send.buf; 1032 fp->mode.wreqq.data = htonl(0xf); 1033 fw_asyreq(xfer->fc, -1, xfer); 1034 } 1035 1036 static struct fw_xfer * 1037 sbp_write_cmd(struct sbp_dev *sdev, int tcode, int offset) 1038 { 1039 struct fw_xfer *xfer; 1040 struct fw_pkt *fp; 1041 1042 xfer = fw_xfer_alloc(M_SBP); 1043 if(xfer == NULL){ 1044 return NULL; 1045 } 1046 if (tcode == FWTCODE_WREQQ) 1047 xfer->send.len = 16; 1048 else 1049 xfer->send.len = 24; 1050 1051 xfer->send.buf = malloc(xfer->send.len, M_FW, M_NOWAIT); 1052 if(xfer->send.buf == NULL){ 1053 fw_xfer_free(xfer); 1054 return NULL; 1055 } 1056 1057 xfer->send.off = 0; 1058 xfer->spd = min(sdev->target->fwdev->speed, max_speed); 1059 xfer->sc = (caddr_t)sdev; 1060 xfer->fc = sdev->target->sbp->fd.fc; 1061 xfer->retry_req = fw_asybusy; 1062 1063 fp = (struct fw_pkt *)xfer->send.buf; 1064 fp->mode.wreqq.dest_hi = htons(sdev->login.cmd_hi); 1065 fp->mode.wreqq.dest_lo = htonl(sdev->login.cmd_lo + offset); 1066 fp->mode.wreqq.tlrt = 0; 1067 fp->mode.wreqq.tcode = tcode; 1068 fp->mode.wreqq.pri = 0; 1069 xfer->dst = FWLOCALBUS | sdev->target->fwdev->dst; 1070 fp->mode.wreqq.dst = htons(xfer->dst); 1071 1072 return xfer; 1073 1074 } 1075 1076 static void 1077 sbp_mgm_orb(struct sbp_dev *sdev, int func, u_int16_t orb_hi, u_int32_t orb_lo) 1078 { 1079 struct fw_xfer *xfer; 1080 struct fw_pkt *fp; 1081 struct sbp_ocb *ocb; 1082 int s, nid; 1083 1084 if ((ocb = sbp_get_ocb(sdev->target->sbp)) == NULL) { 1085 s = splfw(); 1086 sdev->target->sbp->flags |= SBP_RESOURCE_SHORTAGE; 1087 splx(s); 1088 return; 1089 } 1090 ocb->flags = OCB_ACT_MGM; 1091 ocb->sdev = sdev; 1092 ocb->ccb = NULL; 1093 1094 nid = sdev->target->sbp->fd.fc->nodeid | FWLOCALBUS; 1095 bzero((void *)(uintptr_t)(volatile void *)ocb->orb, sizeof(ocb->orb)); 1096 ocb->orb[6] = htonl((nid << 16) | SBP_BIND_HI); 1097 ocb->orb[7] = htonl(SBP_DEV2ADDR( 1098 device_get_unit(sdev->target->sbp->fd.dev), 1099 sdev->target->target_id, 1100 sdev->lun_id)); 1101 1102 SBP_DEBUG(0) 1103 sbp_show_sdev_info(sdev, 2); 1104 printf("%s\n", orb_fun_name[(func>>16)&0xf]); 1105 END_DEBUG 1106 switch (func) { 1107 case ORB_FUN_LGI: 1108 ocb->orb[2] = htonl(nid << 16); 1109 ocb->orb[3] = htonl(vtophys(&sdev->login)); 1110 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_EXV | sdev->lun_id); 1111 ocb->orb[5] = htonl(sizeof(struct sbp_login_res)); 1112 break; 1113 case ORB_FUN_ATA: 1114 ocb->orb[0] = htonl((0 << 16) | orb_hi); 1115 ocb->orb[1] = htonl(orb_lo); 1116 /* fall through */ 1117 case ORB_FUN_RCN: 1118 case ORB_FUN_LGO: 1119 case ORB_FUN_LUR: 1120 case ORB_FUN_RST: 1121 case ORB_FUN_ATS: 1122 ocb->orb[4] = htonl(ORB_NOTIFY | func | sdev->login.id); 1123 break; 1124 } 1125 1126 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0); 1127 if(xfer == NULL){ 1128 return; 1129 } 1130 xfer->act.hand = sbp_login_callback; 1131 1132 fp = (struct fw_pkt *)xfer->send.buf; 1133 fp->mode.wreqb.dest_hi = htons(sdev->target->mgm_hi); 1134 fp->mode.wreqb.dest_lo = htonl(sdev->target->mgm_lo); 1135 fp->mode.wreqb.len = htons(8); 1136 fp->mode.wreqb.extcode = 0; 1137 fp->mode.wreqb.payload[0] = htonl(nid << 16); 1138 fp->mode.wreqb.payload[1] = htonl(vtophys(&ocb->orb[0])); 1139 sbp_enqueue_ocb(sdev, ocb); 1140 1141 fw_asyreq(xfer->fc, -1, xfer); 1142 } 1143 1144 static void 1145 sbp_print_scsi_cmd(struct sbp_ocb *ocb) 1146 { 1147 struct ccb_scsiio *csio; 1148 1149 csio = &ocb->ccb->csio; 1150 printf("%s:%d:%d XPT_SCSI_IO: " 1151 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 1152 ", flags: 0x%02x, " 1153 "%db cmd/%db data/%db sense\n", 1154 device_get_nameunit(ocb->sdev->target->sbp->fd.dev), 1155 ocb->ccb->ccb_h.target_id, ocb->ccb->ccb_h.target_lun, 1156 csio->cdb_io.cdb_bytes[0], 1157 csio->cdb_io.cdb_bytes[1], 1158 csio->cdb_io.cdb_bytes[2], 1159 csio->cdb_io.cdb_bytes[3], 1160 csio->cdb_io.cdb_bytes[4], 1161 csio->cdb_io.cdb_bytes[5], 1162 csio->cdb_io.cdb_bytes[6], 1163 csio->cdb_io.cdb_bytes[7], 1164 csio->cdb_io.cdb_bytes[8], 1165 csio->cdb_io.cdb_bytes[9], 1166 ocb->ccb->ccb_h.flags & CAM_DIR_MASK, 1167 csio->cdb_len, csio->dxfer_len, 1168 csio->sense_len); 1169 } 1170 1171 static void 1172 sbp_scsi_status(struct sbp_status *sbp_status, struct sbp_ocb *ocb) 1173 { 1174 struct sbp_cmd_status *sbp_cmd_status; 1175 struct scsi_sense_data *sense; 1176 1177 sbp_cmd_status = (struct sbp_cmd_status *)sbp_status->data; 1178 sense = &ocb->ccb->csio.sense_data; 1179 1180 SBP_DEBUG(0) 1181 sbp_print_scsi_cmd(ocb); 1182 /* XXX need decode status */ 1183 sbp_show_sdev_info(ocb->sdev, 2); 1184 printf("SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d", 1185 sbp_cmd_status->status, 1186 sbp_cmd_status->sfmt, 1187 sbp_cmd_status->valid, 1188 sbp_cmd_status->s_key, 1189 sbp_cmd_status->s_code, 1190 sbp_cmd_status->s_qlfr, 1191 sbp_status->len 1192 ); 1193 #if 0 /* XXX */ 1194 if (sbp_cmd_status->status == SCSI_STATUS_CHECK_COND) { 1195 printf(" %s\n", scsi_sense_key_text[sbp_cmd_status->s_key]); 1196 scsi_sense_desc( 1197 sbp_cmd_status->s_code, 1198 sbp_cmd_status->s_qlfr, 1199 ocb->ccb->ccb_h.path->device->inq_data 1200 ) 1201 } else { 1202 printf("\n"); 1203 } 1204 #else 1205 printf("\n"); 1206 #endif 1207 END_DEBUG 1208 1209 switch (sbp_cmd_status->status) { 1210 case SCSI_STATUS_CHECK_COND: 1211 case SCSI_STATUS_BUSY: 1212 case SCSI_STATUS_CMD_TERMINATED: 1213 if(sbp_cmd_status->sfmt == SBP_SFMT_CURR){ 1214 sense->error_code = SSD_CURRENT_ERROR; 1215 }else{ 1216 sense->error_code = SSD_DEFERRED_ERROR; 1217 } 1218 if(sbp_cmd_status->valid) 1219 sense->error_code |= SSD_ERRCODE_VALID; 1220 sense->flags = sbp_cmd_status->s_key; 1221 if(sbp_cmd_status->mark) 1222 sense->flags |= SSD_FILEMARK; 1223 if(sbp_cmd_status->eom) 1224 sense->flags |= SSD_EOM; 1225 if(sbp_cmd_status->ill_len) 1226 sense->flags |= SSD_ILI; 1227 sense->info[0] = ntohl(sbp_cmd_status->info) & 0xff; 1228 sense->info[1] =(ntohl(sbp_cmd_status->info) >> 8) & 0xff; 1229 sense->info[2] =(ntohl(sbp_cmd_status->info) >> 16) & 0xff; 1230 sense->info[3] =(ntohl(sbp_cmd_status->info) >> 24) & 0xff; 1231 if (sbp_status->len <= 1) 1232 /* XXX not scsi status. shouldn't be happened */ 1233 sense->extra_len = 0; 1234 else if (sbp_status->len <= 4) 1235 /* add_sense_code(_qual), info, cmd_spec_info */ 1236 sense->extra_len = 6; 1237 else 1238 /* fru, sense_key_spec */ 1239 sense->extra_len = 10; 1240 sense->cmd_spec_info[0] = ntohl(sbp_cmd_status->cdb) & 0xff; 1241 sense->cmd_spec_info[1] = (ntohl(sbp_cmd_status->cdb) >> 8) & 0xff; 1242 sense->cmd_spec_info[2] = (ntohl(sbp_cmd_status->cdb) >> 16) & 0xff; 1243 sense->cmd_spec_info[3] = (ntohl(sbp_cmd_status->cdb) >> 24) & 0xff; 1244 sense->add_sense_code = sbp_cmd_status->s_code; 1245 sense->add_sense_code_qual = sbp_cmd_status->s_qlfr; 1246 sense->fru = sbp_cmd_status->fru; 1247 sense->sense_key_spec[0] = ntohl(sbp_cmd_status->s_keydep) & 0xff; 1248 sense->sense_key_spec[1] = (ntohl(sbp_cmd_status->s_keydep) >>8) & 0xff; 1249 sense->sense_key_spec[2] = (ntohl(sbp_cmd_status->s_keydep) >>16) & 0xff; 1250 1251 ocb->ccb->csio.scsi_status = sbp_cmd_status->status;; 1252 ocb->ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR 1253 | CAM_AUTOSNS_VALID; 1254 /* 1255 { 1256 u_int8_t j, *tmp; 1257 tmp = sense; 1258 for( j = 0 ; j < 32 ; j+=8){ 1259 printf("sense %02x%02x %02x%02x %02x%02x %02x%02x\n", 1260 tmp[j], tmp[j+1], tmp[j+2], tmp[j+3], 1261 tmp[j+4], tmp[j+5], tmp[j+6], tmp[j+7]); 1262 } 1263 1264 } 1265 */ 1266 break; 1267 default: 1268 sbp_show_sdev_info(ocb->sdev, 2); 1269 printf("sbp_scsi_status: unknown scsi status 0x%x\n", 1270 sbp_cmd_status->status); 1271 } 1272 } 1273 1274 static void 1275 sbp_fix_inq_data(struct sbp_ocb *ocb) 1276 { 1277 union ccb *ccb; 1278 struct sbp_dev *sdev; 1279 struct scsi_inquiry_data *inq; 1280 1281 ccb = ocb->ccb; 1282 sdev = ocb->sdev; 1283 1284 if (ccb->csio.cdb_io.cdb_bytes[1] & SI_EVPD) 1285 return; 1286 SBP_DEBUG(1) 1287 sbp_show_sdev_info(sdev, 2); 1288 printf("sbp_fix_inq_data\n"); 1289 END_DEBUG 1290 inq = (struct scsi_inquiry_data *) ccb->csio.data_ptr; 1291 switch (SID_TYPE(inq)) { 1292 case T_DIRECT: 1293 /* 1294 * XXX Convert Direct Access device to RBC. 1295 * I've never seen FireWire DA devices which support READ_6. 1296 */ 1297 #if 1 1298 if (SID_TYPE(inq) == T_DIRECT) 1299 inq->device |= T_RBC; /* T_DIRECT == 0 */ 1300 #endif 1301 /* fall through */ 1302 case T_RBC: 1303 /* disable tag queuing */ 1304 inq->flags &= ~SID_CmdQue; 1305 /* 1306 * Override vendor/product/revision information. 1307 * Some devices sometimes return strange strings. 1308 */ 1309 bcopy(sdev->vendor, inq->vendor, sizeof(inq->vendor)); 1310 bcopy(sdev->product, inq->product, sizeof(inq->product)); 1311 bcopy(sdev->revision+2, inq->revision, sizeof(inq->revision)); 1312 break; 1313 } 1314 } 1315 1316 static void 1317 sbp_recv1(struct fw_xfer *xfer){ 1318 struct fw_pkt *rfp; 1319 #if NEED_RESPONSE 1320 struct fw_pkt *sfp; 1321 #endif 1322 struct sbp_softc *sbp; 1323 struct sbp_dev *sdev; 1324 struct sbp_ocb *ocb; 1325 struct sbp_login_res *login_res = NULL; 1326 struct sbp_status *sbp_status; 1327 struct sbp_target *target; 1328 int orb_fun, status_valid, t, l; 1329 u_int32_t addr; 1330 /* 1331 u_int32_t *ld; 1332 ld = xfer->recv.buf; 1333 printf("sbp %x %d %d %08x %08x %08x %08x\n", 1334 xfer->resp, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3])); 1335 printf("sbp %08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 1336 printf("sbp %08x %08x %08x %08x\n", ntohl(ld[8]), ntohl(ld[9]), ntohl(ld[10]), ntohl(ld[11])); 1337 */ 1338 if(xfer->resp != 0){ 1339 printf("sbp_recv: xfer->resp != 0\n"); 1340 fw_xfer_free( xfer); 1341 return; 1342 } 1343 if(xfer->recv.buf == NULL){ 1344 printf("sbp_recv: xfer->recv.buf == NULL\n"); 1345 fw_xfer_free( xfer); 1346 return; 1347 } 1348 sbp = (struct sbp_softc *)xfer->sc; 1349 rfp = (struct fw_pkt *)xfer->recv.buf; 1350 if(rfp->mode.wreqb.tcode != FWTCODE_WREQB){ 1351 printf("sbp_recv: tcode = %d\n", rfp->mode.wreqb.tcode); 1352 fw_xfer_free( xfer); 1353 return; 1354 } 1355 sbp_status = (struct sbp_status *)rfp->mode.wreqb.payload; 1356 addr = ntohl(rfp->mode.wreqb.dest_lo); 1357 SBP_DEBUG(2) 1358 printf("received address 0x%x\n", addr); 1359 END_DEBUG 1360 t = SBP_ADDR2TRG(addr); 1361 if (t >= SBP_NUM_TARGETS) { 1362 device_printf(sbp->fd.dev, 1363 "sbp_recv1: invalid target %d\n", t); 1364 fw_xfer_free(xfer); 1365 return; 1366 } 1367 target = &sbp->targets[t]; 1368 l = SBP_ADDR2LUN(addr); 1369 if (l >= target->num_lun) { 1370 device_printf(sbp->fd.dev, 1371 "sbp_recv1: invalid lun %d (target=%d)\n", l, t); 1372 fw_xfer_free(xfer); 1373 return; 1374 } 1375 sdev = &target->luns[l]; 1376 1377 ocb = NULL; 1378 switch (sbp_status->src) { 1379 case 0: 1380 case 1: 1381 ocb = sbp_dequeue_ocb(sdev, ntohl(sbp_status->orb_lo)); 1382 if (ocb == NULL) { 1383 sbp_show_sdev_info(sdev, 2); 1384 printf("No ocb on the queue\n"); 1385 } 1386 break; 1387 case 2: 1388 /* unsolicit */ 1389 sbp_show_sdev_info(sdev, 2); 1390 printf("unsolicit status received\n"); 1391 break; 1392 default: 1393 sbp_show_sdev_info(sdev, 2); 1394 printf("unknown sbp_status->src\n"); 1395 } 1396 1397 status_valid = (sbp_status->src < 2 1398 && sbp_status->resp == ORB_RES_CMPL 1399 && sbp_status->dead == 0 1400 && sbp_status->status == 0); 1401 1402 if (!status_valid || debug > 1){ 1403 int status; 1404 SBP_DEBUG(0) 1405 sbp_show_sdev_info(sdev, 2); 1406 printf("ORB status src:%x resp:%x dead:%x" 1407 #if __FreeBSD_version >= 500000 1408 " len:%x stat:%x orb:%x%08x\n", 1409 #else 1410 " len:%x stat:%x orb:%x%08lx\n", 1411 #endif 1412 sbp_status->src, sbp_status->resp, sbp_status->dead, 1413 sbp_status->len, sbp_status->status, 1414 ntohs(sbp_status->orb_hi), ntohl(sbp_status->orb_lo)); 1415 END_DEBUG 1416 sbp_show_sdev_info(sdev, 2); 1417 status = sbp_status->status; 1418 switch(sbp_status->resp) { 1419 case 0: 1420 if (status > MAX_ORB_STATUS0) 1421 printf("%s\n", orb_status0[MAX_ORB_STATUS0]); 1422 else 1423 printf("%s\n", orb_status0[status]); 1424 break; 1425 case 1: 1426 printf("Obj: %s, Error: %s\n", 1427 orb_status1_object[(status>>6) & 3], 1428 orb_status1_serial_bus_error[status & 0xf]); 1429 break; 1430 case 2: 1431 printf("Illegal request\n"); 1432 break; 1433 case 3: 1434 printf("Vendor dependent\n"); 1435 break; 1436 default: 1437 printf("unknown respose code %d\n", sbp_status->resp); 1438 } 1439 } 1440 1441 /* we have to reset the fetch agent if it's dead */ 1442 if (sbp_status->dead) { 1443 if (sdev->path) 1444 xpt_freeze_devq(sdev->path, 1); 1445 sbp_agent_reset(sdev); 1446 } 1447 1448 if (ocb == NULL) { 1449 fw_xfer_free(xfer); 1450 return; 1451 } 1452 1453 sdev->flags &= ~SBP_DEV_TIMEOUT; 1454 1455 switch(ntohl(ocb->orb[4]) & ORB_FMT_MSK){ 1456 case ORB_FMT_NOP: 1457 break; 1458 case ORB_FMT_VED: 1459 break; 1460 case ORB_FMT_STD: 1461 switch(ocb->flags & OCB_ACT_MASK){ 1462 case OCB_ACT_MGM: 1463 orb_fun = ntohl(ocb->orb[4]) & ORB_FUN_MSK; 1464 switch(orb_fun) { 1465 case ORB_FUN_LGI: 1466 login_res = &sdev->login; 1467 login_res->len = ntohs(login_res->len); 1468 login_res->id = ntohs(login_res->id); 1469 login_res->cmd_hi = ntohs(login_res->cmd_hi); 1470 login_res->cmd_lo = ntohl(login_res->cmd_lo); 1471 if (status_valid) { 1472 SBP_DEBUG(0) 1473 sbp_show_sdev_info(sdev, 2); 1474 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)); 1475 END_DEBUG 1476 #if 1 1477 sbp_busy_timeout(sdev); 1478 #else 1479 sbp_mgm_orb(sdev, ORB_FUN_ATS, 0, 0); 1480 #endif 1481 } else { 1482 /* forgot logout? */ 1483 sbp_show_sdev_info(sdev, 2); 1484 printf("login failed\n"); 1485 sdev->status = SBP_DEV_RESET; 1486 } 1487 break; 1488 case ORB_FUN_RCN: 1489 login_res = &sdev->login; 1490 if (status_valid) { 1491 SBP_DEBUG(0) 1492 sbp_show_sdev_info(sdev, 2); 1493 printf("reconnect: len %d, ID %d, cmd %08x%08x\n", login_res->len, login_res->id, login_res->cmd_hi, login_res->cmd_lo); 1494 END_DEBUG 1495 #if 1 1496 sbp_ping_unit(sdev); 1497 xpt_release_devq(sdev->path, 1498 MAX_FREEZE, TRUE); 1499 #else 1500 sdev->status = SBP_DEV_ATTACHED; 1501 sbp_mgm_orb(sdev, ORB_FUN_ATS, 0, 0); 1502 #endif 1503 } else { 1504 /* reconnection hold time exceed? */ 1505 SBP_DEBUG(0) 1506 sbp_show_sdev_info(sdev, 2); 1507 printf("reconnect failed\n"); 1508 END_DEBUG 1509 sbp_mgm_orb(sdev, ORB_FUN_LGI, 0, 0); 1510 } 1511 break; 1512 case ORB_FUN_LGO: 1513 sdev->status = SBP_DEV_RESET; 1514 break; 1515 case ORB_FUN_RST: 1516 sbp_busy_timeout(sdev); 1517 break; 1518 case ORB_FUN_LUR: 1519 case ORB_FUN_ATA: 1520 case ORB_FUN_ATS: 1521 sbp_agent_reset(sdev); 1522 break; 1523 default: 1524 sbp_show_sdev_info(sdev, 2); 1525 printf("unknown function %d\n", orb_fun); 1526 break; 1527 } 1528 break; 1529 case OCB_ACT_CMD: 1530 if(ocb->ccb != NULL){ 1531 union ccb *ccb; 1532 /* 1533 u_int32_t *ld; 1534 ld = ocb->ccb->csio.data_ptr; 1535 if(ld != NULL && ocb->ccb->csio.dxfer_len != 0) 1536 printf("ptr %08x %08x %08x %08x\n", ld[0], ld[1], ld[2], ld[3]); 1537 else 1538 printf("ptr NULL\n"); 1539 printf("len %d\n", sbp_status->len); 1540 */ 1541 ccb = ocb->ccb; 1542 if(sbp_status->len > 1){ 1543 sbp_scsi_status(sbp_status, ocb); 1544 }else{ 1545 if(sbp_status->resp != ORB_RES_CMPL){ 1546 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1547 }else{ 1548 ccb->ccb_h.status = CAM_REQ_CMP; 1549 } 1550 } 1551 /* fix up inq data */ 1552 if (ccb->csio.cdb_io.cdb_bytes[0] == INQUIRY) 1553 sbp_fix_inq_data(ocb); 1554 xpt_done(ccb); 1555 } 1556 break; 1557 default: 1558 break; 1559 } 1560 } 1561 1562 if (!(ocb->flags & OCB_RESERVED)) 1563 sbp_free_ocb(sbp, ocb); 1564 1565 /* The received packet is usually small enough to be stored within 1566 * the buffer. In that case, the controller return ack_complete and 1567 * no respose is necessary. 1568 * 1569 * XXX fwohci.c and firewire.c should inform event_code such as 1570 * ack_complete or ack_pending to upper driver. 1571 */ 1572 #if NEED_RESPONSE 1573 xfer->send.buf = malloc(12, M_SBP, M_NOWAIT | M_ZERO); 1574 xfer->send.len = 12; 1575 xfer->send.off = 0; 1576 sfp = (struct fw_pkt *)xfer->send.buf; 1577 sfp->mode.wres.dst = rfp->mode.wreqb.src; 1578 xfer->dst = ntohs(sfp->mode.wres.dst); 1579 xfer->spd = min(sdev->target->fwdev->speed, max_speed); 1580 xfer->act.hand = sbp_loginres_callback; 1581 xfer->retry_req = fw_asybusy; 1582 1583 sfp->mode.wres.tlrt = rfp->mode.wreqb.tlrt; 1584 sfp->mode.wres.tcode = FWTCODE_WRES; 1585 sfp->mode.wres.rtcode = 0; 1586 sfp->mode.wres.pri = 0; 1587 1588 fw_asyreq(xfer->fc, -1, xfer); 1589 #else 1590 fw_xfer_free(xfer); 1591 #endif 1592 1593 return; 1594 1595 } 1596 1597 static void 1598 sbp_recv(struct fw_xfer *xfer) 1599 { 1600 int s; 1601 1602 s = splcam(); 1603 sbp_recv1(xfer); 1604 splx(s); 1605 } 1606 /* 1607 * sbp_attach() 1608 */ 1609 static int 1610 sbp_attach(device_t dev) 1611 { 1612 struct sbp_softc *sbp; 1613 struct cam_devq *devq; 1614 struct fw_xfer *xfer; 1615 int i, s, error; 1616 1617 SBP_DEBUG(0) 1618 printf("sbp_attach\n"); 1619 END_DEBUG 1620 1621 sbp = ((struct sbp_softc *)device_get_softc(dev)); 1622 bzero(sbp, sizeof(struct sbp_softc)); 1623 sbp->fd.dev = dev; 1624 sbp->fd.fc = device_get_ivars(dev); 1625 error = bus_dma_tag_create(/*parent*/NULL, /*alignment*/1, 1626 /*boundary*/0, 1627 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, 1628 /*highaddr*/BUS_SPACE_MAXADDR, 1629 /*filter*/NULL, /*filterarg*/NULL, 1630 /*maxsize*/0x100000, /*nsegments*/SBP_IND_MAX, 1631 /*maxsegsz*/0x8000, 1632 /*flags*/BUS_DMA_ALLOCNOW, 1633 &sbp->dmat); 1634 if (error != 0) { 1635 printf("sbp_attach: Could not allocate DMA tag " 1636 "- error %d\n", error); 1637 return (ENOMEM); 1638 } 1639 1640 devq = cam_simq_alloc(/*maxopenings*/SBP_NUM_OCB); 1641 if (devq == NULL) 1642 return (ENXIO); 1643 1644 for( i = 0 ; i < SBP_NUM_TARGETS ; i++){ 1645 sbp->targets[i].fwdev = NULL; 1646 sbp->targets[i].luns = NULL; 1647 } 1648 1649 sbp->sim = cam_sim_alloc(sbp_action, sbp_poll, "sbp", sbp, 1650 device_get_unit(dev), 1651 /*untagged*/ SBP_QUEUE_LEN, 1652 /*tagged*/0, devq); 1653 1654 if (sbp->sim == NULL) { 1655 cam_simq_free(devq); 1656 return (ENXIO); 1657 } 1658 1659 sbp->ocb = (struct sbp_ocb *) contigmalloc( 1660 sizeof (struct sbp_ocb) * SBP_NUM_OCB, 1661 M_SBP, M_NOWAIT, 0x10000, 0xffffffff, PAGE_SIZE, 0ul); 1662 bzero(sbp->ocb, sizeof (struct sbp_ocb) * SBP_NUM_OCB); 1663 1664 if (sbp->ocb == NULL) { 1665 printf("sbp0: ocb alloction failure\n"); 1666 return (ENOMEM); 1667 } 1668 1669 STAILQ_INIT(&sbp->free_ocbs); 1670 for (i = 0; i < SBP_NUM_OCB; i++) { 1671 sbp_free_ocb(sbp, &sbp->ocb[i]); 1672 } 1673 1674 if (xpt_bus_register(sbp->sim, /*bus*/0) != CAM_SUCCESS) { 1675 cam_sim_free(sbp->sim, /*free_devq*/TRUE); 1676 contigfree(sbp->ocb, sizeof (struct sbp_ocb) * SBP_NUM_OCB, 1677 M_SBP); 1678 return (ENXIO); 1679 } 1680 1681 xfer = fw_xfer_alloc(M_SBP); 1682 xfer->act.hand = sbp_recv; 1683 xfer->act_type = FWACT_XFER; 1684 #if NEED_RESPONSE 1685 xfer->fc = sbp->fd.fc; 1686 #endif 1687 xfer->sc = (caddr_t)sbp; 1688 1689 sbp->fwb.start_hi = SBP_BIND_HI; 1690 sbp->fwb.start_lo = SBP_DEV2ADDR(device_get_unit(sbp->fd.dev), 0, 0); 1691 /* We reserve 16 bit space (4 bytes X 64 targets X 256 luns) */ 1692 sbp->fwb.addrlen = 0xffff; 1693 sbp->fwb.xfer = xfer; 1694 fw_bindadd(sbp->fd.fc, &sbp->fwb); 1695 1696 sbp->fd.post_explore = sbp_post_explore; 1697 s = splfw(); 1698 sbp_post_explore((void *)sbp); 1699 splx(s); 1700 1701 return (0); 1702 } 1703 1704 static int 1705 sbp_logout_all(struct sbp_softc *sbp) 1706 { 1707 struct sbp_target *target; 1708 struct sbp_dev *sdev; 1709 int i, j; 1710 1711 SBP_DEBUG(0) 1712 printf("sbp_logout_all\n"); 1713 END_DEBUG 1714 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) { 1715 target = &sbp->targets[i]; 1716 if (target->luns == NULL) 1717 continue; 1718 for (j = 0; j < target->num_lun; j++) { 1719 sdev = &target->luns[j]; 1720 if (sdev->status >= SBP_DEV_TOATTACH && 1721 sdev->status <= SBP_DEV_ATTACHED) 1722 sbp_mgm_orb(sdev, ORB_FUN_LGO, 0, 0); 1723 } 1724 } 1725 return 0; 1726 } 1727 1728 static int 1729 sbp_shutdown(device_t dev) 1730 { 1731 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 1732 1733 sbp_logout_all(sbp); 1734 return (0); 1735 } 1736 1737 static int 1738 sbp_detach(device_t dev) 1739 { 1740 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 1741 struct firewire_comm *fc = sbp->fd.fc; 1742 int i; 1743 1744 SBP_DEBUG(0) 1745 printf("sbp_detach\n"); 1746 END_DEBUG 1747 #if 0 1748 /* bus reset for logout */ 1749 sbp->fd.post_explore = NULL; 1750 fc->ibr(fc); 1751 #endif 1752 1753 for (i = 0; i < SBP_NUM_TARGETS; i ++) 1754 sbp_cam_detach_target(&sbp->targets[i]); 1755 xpt_bus_deregister(cam_sim_path(sbp->sim)); 1756 1757 sbp_logout_all(sbp); 1758 /* XXX wait for logout completion */ 1759 tsleep(&i, FWPRI, "sbpdtc", hz/2); 1760 1761 fw_bindremove(fc, &sbp->fwb); 1762 contigfree(sbp->ocb, sizeof (struct sbp_ocb) * SBP_NUM_OCB, M_SBP); 1763 bus_dma_tag_destroy(sbp->dmat); 1764 1765 for (i = 0; i < SBP_NUM_TARGETS; i ++) 1766 if (sbp->targets[i].luns != NULL) 1767 free(sbp->targets[i].luns, M_SBP); 1768 1769 return (0); 1770 } 1771 1772 static void 1773 sbp_cam_detach_target(struct sbp_target *target) 1774 { 1775 int i; 1776 struct sbp_dev *sdev; 1777 1778 if (target->luns != NULL) { 1779 SBP_DEBUG(0) 1780 printf("sbp_detach_target %d\n", target->target_id); 1781 END_DEBUG 1782 for (i = 0; i < target->num_lun; i++) { 1783 sdev = &target->luns[i]; 1784 if (sdev->status == SBP_DEV_RESET || 1785 sdev->status == SBP_DEV_DEAD) 1786 continue; 1787 if (sdev->path) { 1788 xpt_async(AC_LOST_DEVICE, sdev->path, NULL); 1789 xpt_free_path(sdev->path); 1790 sdev->path = NULL; 1791 } 1792 sbp_abort_all_ocbs(sdev, CAM_DEV_NOT_THERE); 1793 } 1794 } 1795 } 1796 1797 static void 1798 sbp_timeout(void *arg) 1799 { 1800 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 1801 struct sbp_dev *sdev = ocb->sdev; 1802 1803 sbp_show_sdev_info(sdev, 2); 1804 printf("request timeout ... "); 1805 1806 xpt_freeze_devq(sdev->path, 1); 1807 sbp_abort_all_ocbs(sdev, CAM_CMD_TIMEOUT); 1808 if (sdev->flags & SBP_DEV_TIMEOUT) { 1809 #if 0 1810 struct firewire_comm *fc; 1811 1812 printf("bus reset\n"); 1813 fc = sdev->target->sbp->fd.fc; 1814 fc->ibr(fc); 1815 sdev->status == SBP_DEV_RETRY; 1816 #else 1817 printf("target reset\n"); 1818 sbp_mgm_orb(sdev, ORB_FUN_RST, 0, 0); 1819 #endif 1820 sdev->flags &= ~SBP_DEV_TIMEOUT; 1821 } else { 1822 printf("agent reset\n"); 1823 sdev->flags |= SBP_DEV_TIMEOUT; 1824 sbp_agent_reset(sdev); 1825 } 1826 return; 1827 } 1828 1829 static void 1830 sbp_action1(struct cam_sim *sim, union ccb *ccb) 1831 { 1832 1833 struct sbp_softc *sbp = (struct sbp_softc *)sim->softc; 1834 struct sbp_target *target = NULL; 1835 struct sbp_dev *sdev = NULL; 1836 1837 /* target:lun -> sdev mapping */ 1838 if (sbp != NULL 1839 && ccb->ccb_h.target_id != CAM_TARGET_WILDCARD 1840 && ccb->ccb_h.target_id < SBP_NUM_TARGETS) { 1841 target = &sbp->targets[ccb->ccb_h.target_id]; 1842 if (target->fwdev != NULL 1843 && ccb->ccb_h.target_lun != CAM_LUN_WILDCARD 1844 && ccb->ccb_h.target_lun < target->num_lun) { 1845 sdev = &target->luns[ccb->ccb_h.target_lun]; 1846 if (sdev->status != SBP_DEV_ATTACHED && 1847 sdev->status != SBP_DEV_PROBE) 1848 sdev = NULL; 1849 } 1850 } 1851 1852 SBP_DEBUG(1) 1853 if (sdev == NULL) 1854 printf("invalid target %d lun %d\n", 1855 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 1856 END_DEBUG 1857 1858 switch (ccb->ccb_h.func_code) { 1859 case XPT_SCSI_IO: 1860 case XPT_RESET_DEV: 1861 case XPT_GET_TRAN_SETTINGS: 1862 case XPT_SET_TRAN_SETTINGS: 1863 case XPT_CALC_GEOMETRY: 1864 if (sdev == NULL) { 1865 SBP_DEBUG(1) 1866 printf("%s:%d:%d:func_code 0x%04x: " 1867 "Invalid target (target needed)\n", 1868 device_get_nameunit(sbp->fd.dev), 1869 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 1870 ccb->ccb_h.func_code); 1871 END_DEBUG 1872 1873 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 1874 xpt_done(ccb); 1875 return; 1876 } 1877 break; 1878 case XPT_PATH_INQ: 1879 case XPT_NOOP: 1880 /* The opcodes sometimes aimed at a target (sc is valid), 1881 * sometimes aimed at the SIM (sc is invalid and target is 1882 * CAM_TARGET_WILDCARD) 1883 */ 1884 if (sbp == NULL && 1885 ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) { 1886 SBP_DEBUG(0) 1887 printf("%s:%d:%d func_code 0x%04x: " 1888 "Invalid target (no wildcard)\n", 1889 device_get_nameunit(sbp->fd.dev), 1890 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 1891 ccb->ccb_h.func_code); 1892 END_DEBUG 1893 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 1894 xpt_done(ccb); 1895 return; 1896 } 1897 break; 1898 default: 1899 /* XXX Hm, we should check the input parameters */ 1900 break; 1901 } 1902 1903 switch (ccb->ccb_h.func_code) { 1904 case XPT_SCSI_IO: 1905 { 1906 struct ccb_scsiio *csio; 1907 struct sbp_ocb *ocb; 1908 int s, speed; 1909 void *cdb; 1910 1911 csio = &ccb->csio; 1912 1913 SBP_DEBUG(1) 1914 printf("%s:%d:%d XPT_SCSI_IO: " 1915 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 1916 ", flags: 0x%02x, " 1917 "%db cmd/%db data/%db sense\n", 1918 device_get_nameunit(sbp->fd.dev), 1919 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 1920 csio->cdb_io.cdb_bytes[0], 1921 csio->cdb_io.cdb_bytes[1], 1922 csio->cdb_io.cdb_bytes[2], 1923 csio->cdb_io.cdb_bytes[3], 1924 csio->cdb_io.cdb_bytes[4], 1925 csio->cdb_io.cdb_bytes[5], 1926 csio->cdb_io.cdb_bytes[6], 1927 csio->cdb_io.cdb_bytes[7], 1928 csio->cdb_io.cdb_bytes[8], 1929 csio->cdb_io.cdb_bytes[9], 1930 ccb->ccb_h.flags & CAM_DIR_MASK, 1931 csio->cdb_len, csio->dxfer_len, 1932 csio->sense_len); 1933 END_DEBUG 1934 if(sdev == NULL){ 1935 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 1936 xpt_done(ccb); 1937 return; 1938 } 1939 #if 0 1940 /* if we are in probe stage, pass only probe commands */ 1941 if (sdev->status == SBP_DEV_PROBE) { 1942 char *name; 1943 name = xpt_path_periph(ccb->ccb_h.path)->periph_name; 1944 printf("probe stage, periph name: %s\n", name); 1945 if (strcmp(name, "probe") != 0) { 1946 ccb->ccb_h.status = CAM_REQUEUE_REQ; 1947 xpt_done(ccb); 1948 return; 1949 } 1950 } 1951 #endif 1952 if ((ocb = sbp_get_ocb(sbp)) == NULL) { 1953 s = splfw(); 1954 sbp->flags |= SBP_RESOURCE_SHORTAGE; 1955 splx(s); 1956 return; 1957 } 1958 ocb->flags = OCB_ACT_CMD; 1959 ocb->sdev = sdev; 1960 ocb->ccb = ccb; 1961 ccb->ccb_h.ccb_sdev_ptr = sdev; 1962 ocb->orb[0] = htonl(1 << 31); 1963 ocb->orb[1] = 0; 1964 ocb->orb[2] = htonl(((sbp->fd.fc->nodeid | FWLOCALBUS )<< 16) ); 1965 ocb->orb[3] = htonl(vtophys(ocb->ind_ptr)); 1966 speed = min(target->fwdev->speed, max_speed); 1967 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_CMD_SPD(speed) 1968 | ORB_CMD_MAXP(speed + 7)); 1969 if((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN){ 1970 ocb->orb[4] |= htonl(ORB_CMD_IN); 1971 } 1972 1973 if (csio->ccb_h.flags & CAM_SCATTER_VALID) 1974 printf("sbp: CAM_SCATTER_VALID\n"); 1975 if (csio->ccb_h.flags & CAM_DATA_PHYS) 1976 printf("sbp: CAM_DATA_PHYS\n"); 1977 1978 if (csio->ccb_h.flags & CAM_CDB_POINTER) 1979 cdb = (void *)csio->cdb_io.cdb_ptr; 1980 else 1981 cdb = (void *)&csio->cdb_io.cdb_bytes; 1982 bcopy(cdb, 1983 (void *)(uintptr_t)(volatile void *)&ocb->orb[5], 1984 csio->cdb_len); 1985 /* 1986 printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[0]), ntohl(ocb->orb[1]), ntohl(ocb->orb[2]), ntohl(ocb->orb[3])); 1987 printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[4]), ntohl(ocb->orb[5]), ntohl(ocb->orb[6]), ntohl(ocb->orb[7])); 1988 */ 1989 if (ccb->csio.dxfer_len > 0) { 1990 int s; 1991 1992 if (bus_dmamap_create(sbp->dmat, 0, &ocb->dmamap)) { 1993 printf("sbp_action1: cannot create dmamap\n"); 1994 break; 1995 } 1996 1997 s = splsoftvm(); 1998 bus_dmamap_load(/*dma tag*/sbp->dmat, 1999 /*dma map*/ocb->dmamap, 2000 ccb->csio.data_ptr, 2001 ccb->csio.dxfer_len, 2002 sbp_execute_ocb, 2003 ocb, 2004 /*flags*/0); 2005 splx(s); 2006 } else 2007 sbp_execute_ocb(ocb, NULL, 0, 0); 2008 break; 2009 } 2010 case XPT_CALC_GEOMETRY: 2011 { 2012 struct ccb_calc_geometry *ccg; 2013 u_int32_t size_mb; 2014 u_int32_t secs_per_cylinder; 2015 int extended = 1; 2016 ccg = &ccb->ccg; 2017 2018 if (ccg->block_size == 0) { 2019 printf("sbp_action1: block_size is 0.\n"); 2020 ccb->ccb_h.status = CAM_REQ_INVALID; 2021 xpt_done(ccb); 2022 break; 2023 } 2024 SBP_DEBUG(1) 2025 printf("%s:%d:%d:%d:XPT_CALC_GEOMETRY: " 2026 "Volume size = %d\n", 2027 device_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim), 2028 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2029 ccg->volume_size); 2030 END_DEBUG 2031 2032 size_mb = ccg->volume_size 2033 / ((1024L * 1024L) / ccg->block_size); 2034 2035 if (size_mb >= 1024 && extended) { 2036 ccg->heads = 255; 2037 ccg->secs_per_track = 63; 2038 } else { 2039 ccg->heads = 64; 2040 ccg->secs_per_track = 32; 2041 } 2042 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 2043 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 2044 ccb->ccb_h.status = CAM_REQ_CMP; 2045 xpt_done(ccb); 2046 break; 2047 } 2048 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 2049 { 2050 2051 SBP_DEBUG(1) 2052 printf("%s:%d:XPT_RESET_BUS: \n", 2053 device_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim)); 2054 END_DEBUG 2055 2056 ccb->ccb_h.status = CAM_REQ_INVALID; 2057 xpt_done(ccb); 2058 break; 2059 } 2060 case XPT_PATH_INQ: /* Path routing inquiry */ 2061 { 2062 struct ccb_pathinq *cpi = &ccb->cpi; 2063 2064 SBP_DEBUG(1) 2065 printf("%s:%d:%d XPT_PATH_INQ:.\n", 2066 device_get_nameunit(sbp->fd.dev), 2067 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2068 END_DEBUG 2069 cpi->version_num = 1; /* XXX??? */ 2070 cpi->hba_inquiry = 0; 2071 cpi->target_sprt = 0; 2072 cpi->hba_misc = 0; 2073 cpi->hba_eng_cnt = 0; 2074 cpi->max_target = SBP_NUM_TARGETS - 1; 2075 cpi->max_lun = SBP_NUM_LUNS - 1; 2076 cpi->initiator_id = SBP_INITIATOR; 2077 cpi->bus_id = sim->bus_id; 2078 cpi->base_transfer_speed = 400 * 1000 / 8; 2079 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 2080 strncpy(cpi->hba_vid, "SBP", HBA_IDLEN); 2081 strncpy(cpi->dev_name, sim->sim_name, DEV_IDLEN); 2082 cpi->unit_number = sim->unit_number; 2083 2084 cpi->ccb_h.status = CAM_REQ_CMP; 2085 xpt_done(ccb); 2086 break; 2087 } 2088 case XPT_GET_TRAN_SETTINGS: 2089 { 2090 struct ccb_trans_settings *cts = &ccb->cts; 2091 SBP_DEBUG(1) 2092 printf("%s:%d:%d XPT_GET_TRAN_SETTINGS:.\n", 2093 device_get_nameunit(sbp->fd.dev), 2094 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2095 END_DEBUG 2096 /* Disable disconnect and tagged queuing */ 2097 cts->valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID; 2098 cts->flags = 0; 2099 2100 cts->ccb_h.status = CAM_REQ_CMP; 2101 xpt_done(ccb); 2102 break; 2103 } 2104 case XPT_ABORT: 2105 ccb->ccb_h.status = CAM_UA_ABORT; 2106 xpt_done(ccb); 2107 break; 2108 default: 2109 ccb->ccb_h.status = CAM_REQ_INVALID; 2110 xpt_done(ccb); 2111 break; 2112 } 2113 return; 2114 } 2115 2116 static void 2117 sbp_action(struct cam_sim *sim, union ccb *ccb) 2118 { 2119 int s; 2120 2121 s = splfw(); 2122 sbp_action1(sim, ccb); 2123 splx(s); 2124 } 2125 2126 static void 2127 sbp_execute_ocb(void *arg, bus_dma_segment_t *segments, int seg, int error) 2128 { 2129 int i; 2130 struct sbp_ocb *ocb; 2131 struct sbp_ocb *prev; 2132 union ccb *ccb; 2133 bus_dma_segment_t *s; 2134 2135 if (error) 2136 printf("sbp_execute_ocb: error=%d\n", error); 2137 2138 ocb = (struct sbp_ocb *)arg; 2139 if (seg == 1) { 2140 /* direct pointer */ 2141 ocb->orb[3] = htonl(segments[0].ds_addr); 2142 ocb->orb[4] |= htonl(segments[0].ds_len); 2143 } else if(seg > 1) { 2144 /* page table */ 2145 SBP_DEBUG(1) 2146 printf("sbp_execute_ocb: seg %d", seg); 2147 for (i = 0; i < seg; i++) 2148 #if __FreeBSD_version >= 500000 2149 printf(", %tx:%zd", segments[i].ds_addr, 2150 #else 2151 printf(", %x:%d", segments[i].ds_addr, 2152 #endif 2153 segments[i].ds_len); 2154 printf("\n"); 2155 END_DEBUG 2156 for (i = 0; i < seg; i++) { 2157 s = &segments[i]; 2158 SBP_DEBUG(0) 2159 /* XXX LSI Logic "< 16 byte" bug might be hit */ 2160 if (s->ds_len < 16) 2161 printf("sbp_execute_ocb: warning, " 2162 #if __FreeBSD_version >= 500000 2163 "segment length(%zd) is less than 16." 2164 #else 2165 "segment length(%d) is less than 16." 2166 #endif 2167 "(seg=%d/%d)\n", s->ds_len, i+1, seg); 2168 END_DEBUG 2169 ocb->ind_ptr[i].hi = htonl(s->ds_len << 16); 2170 ocb->ind_ptr[i].lo = htonl(s->ds_addr); 2171 } 2172 ocb->orb[4] |= htonl(ORB_CMD_PTBL | seg); 2173 } 2174 2175 ccb = ocb->ccb; 2176 prev = sbp_enqueue_ocb(ocb->sdev, ocb); 2177 if (prev) 2178 sbp_doorbell(ocb->sdev); 2179 else 2180 sbp_orb_pointer(ocb->sdev, ocb); 2181 } 2182 2183 static void 2184 sbp_poll(struct cam_sim *sim) 2185 { 2186 /* should call fwohci_intr? */ 2187 return; 2188 } 2189 static struct sbp_ocb * 2190 sbp_dequeue_ocb(struct sbp_dev *sdev, u_int32_t orb_lo) 2191 { 2192 struct sbp_ocb *ocb; 2193 struct sbp_ocb *next; 2194 int s = splfw(), order = 0; 2195 int flags; 2196 2197 for (ocb = STAILQ_FIRST(&sdev->ocbs); ocb != NULL; ocb = next) { 2198 next = STAILQ_NEXT(ocb, ocb); 2199 flags = ocb->flags; 2200 SBP_DEBUG(1) 2201 sbp_show_sdev_info(sdev, 2); 2202 #if __FreeBSD_version >= 500000 2203 printf("orb: 0x%tx next: 0x%x, flags %x\n", 2204 #else 2205 printf("orb: 0x%x next: 0x%lx, flags %x\n", 2206 #endif 2207 vtophys(&ocb->orb[0]), ntohl(ocb->orb[1]), flags); 2208 END_DEBUG 2209 if (vtophys(&ocb->orb[0]) == orb_lo) { 2210 /* found */ 2211 if (ocb->flags & OCB_RESERVED) 2212 ocb->flags |= OCB_DONE; 2213 else 2214 STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb); 2215 if (ocb->ccb != NULL) 2216 untimeout(sbp_timeout, (caddr_t)ocb, 2217 ocb->ccb->ccb_h.timeout_ch); 2218 if (ocb->dmamap != NULL) { 2219 bus_dmamap_destroy(sdev->target->sbp->dmat, 2220 ocb->dmamap); 2221 ocb->dmamap = NULL; 2222 } 2223 break; 2224 } else { 2225 if ((ocb->flags & OCB_RESERVED) && 2226 (ocb->flags & OCB_DONE)) { 2227 /* next orb must be fetched already */ 2228 STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb); 2229 sbp_free_ocb(sdev->target->sbp, ocb); 2230 } else 2231 order ++; 2232 } 2233 } 2234 splx(s); 2235 SBP_DEBUG(0) 2236 if (ocb && order > 0) { 2237 sbp_show_sdev_info(sdev, 2); 2238 printf("unordered execution order:%d\n", order); 2239 } 2240 END_DEBUG 2241 return (ocb); 2242 } 2243 2244 static struct sbp_ocb * 2245 sbp_enqueue_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 2246 { 2247 int s = splfw(); 2248 struct sbp_ocb *prev; 2249 2250 SBP_DEBUG(2) 2251 sbp_show_sdev_info(sdev, 2); 2252 #if __FreeBSD_version >= 500000 2253 printf("sbp_enqueue_ocb orb=0x%tx in physical memory\n", vtophys(&ocb->orb[0])); 2254 #else 2255 printf("sbp_enqueue_ocb orb=0x%x in physical memory\n", vtophys(&ocb->orb[0])); 2256 #endif 2257 END_DEBUG 2258 prev = STAILQ_LAST(&sdev->ocbs, sbp_ocb, ocb); 2259 STAILQ_INSERT_TAIL(&sdev->ocbs, ocb, ocb); 2260 2261 if (ocb->ccb != NULL) 2262 ocb->ccb->ccb_h.timeout_ch = timeout(sbp_timeout, (caddr_t)ocb, 2263 (ocb->ccb->ccb_h.timeout * hz) / 1000); 2264 2265 if (prev != NULL ) { 2266 SBP_DEBUG(1) 2267 #if __FreeBSD_version >= 500000 2268 printf("linking chain 0x%tx -> 0x%tx\n", vtophys(&prev->orb[0]), 2269 #else 2270 printf("linking chain 0x%x -> 0x%x\n", vtophys(&prev->orb[0]), 2271 #endif 2272 vtophys(&ocb->orb[0])); 2273 END_DEBUG 2274 prev->flags |= OCB_RESERVED; 2275 prev->orb[1] = htonl(vtophys(&ocb->orb[0])); 2276 prev->orb[0] = 0; 2277 } 2278 splx(s); 2279 2280 return prev; 2281 } 2282 2283 static struct sbp_ocb * 2284 sbp_get_ocb(struct sbp_softc *sbp) 2285 { 2286 struct sbp_ocb *ocb; 2287 int s = splfw(); 2288 ocb = STAILQ_FIRST(&sbp->free_ocbs); 2289 if (ocb == NULL) { 2290 printf("ocb shortage!!!\n"); 2291 return NULL; 2292 } 2293 STAILQ_REMOVE(&sbp->free_ocbs, ocb, sbp_ocb, ocb); 2294 splx(s); 2295 ocb->ccb = NULL; 2296 return (ocb); 2297 } 2298 2299 static void 2300 sbp_free_ocb(struct sbp_softc *sbp, struct sbp_ocb *ocb) 2301 { 2302 #if 0 /* XXX make sure that ocb has ccb */ 2303 if ((sbp->flags & SBP_RESOURCE_SHORTAGE) != 0 && 2304 (ocb->ccb->ccb_h.status & CAM_RELEASE_SIMQ) == 0) { 2305 ocb->ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 2306 sbp->flags &= ~SBP_RESOURCE_SHORTAGE; 2307 } 2308 #else 2309 if ((sbp->flags & SBP_RESOURCE_SHORTAGE) != 0) 2310 sbp->flags &= ~SBP_RESOURCE_SHORTAGE; 2311 #endif 2312 ocb->flags = 0; 2313 ocb->ccb = NULL; 2314 STAILQ_INSERT_TAIL(&sbp->free_ocbs, ocb, ocb); 2315 } 2316 2317 static void 2318 sbp_abort_ocb(struct sbp_ocb *ocb, int status) 2319 { 2320 struct sbp_dev *sdev; 2321 2322 sdev = ocb->sdev; 2323 SBP_DEBUG(1) 2324 sbp_show_sdev_info(sdev, 2); 2325 printf("sbp_abort_ocb 0x%x\n", status); 2326 if (ocb->ccb != NULL) 2327 sbp_print_scsi_cmd(ocb); 2328 END_DEBUG 2329 if (ocb->ccb != NULL && !(ocb->flags & OCB_DONE)) { 2330 untimeout(sbp_timeout, (caddr_t)ocb, 2331 ocb->ccb->ccb_h.timeout_ch); 2332 ocb->ccb->ccb_h.status = status; 2333 xpt_done(ocb->ccb); 2334 } 2335 if (ocb->dmamap != NULL) { 2336 bus_dmamap_destroy(sdev->target->sbp->dmat, ocb->dmamap); 2337 ocb->dmamap = NULL; 2338 } 2339 sbp_free_ocb(sdev->target->sbp, ocb); 2340 } 2341 2342 static void 2343 sbp_abort_all_ocbs(struct sbp_dev *sdev, int status) 2344 { 2345 int s; 2346 struct sbp_ocb *ocb, *next; 2347 STAILQ_HEAD(, sbp_ocb) temp; 2348 2349 s = splfw(); 2350 2351 bcopy(&sdev->ocbs, &temp, sizeof(temp)); 2352 STAILQ_INIT(&sdev->ocbs); 2353 for (ocb = STAILQ_FIRST(&temp); ocb != NULL; ocb = next) { 2354 next = STAILQ_NEXT(ocb, ocb); 2355 sbp_abort_ocb(ocb, status); 2356 } 2357 2358 splx(s); 2359 } 2360 2361 static devclass_t sbp_devclass; 2362 2363 static device_method_t sbp_methods[] = { 2364 /* device interface */ 2365 DEVMETHOD(device_identify, sbp_identify), 2366 DEVMETHOD(device_probe, sbp_probe), 2367 DEVMETHOD(device_attach, sbp_attach), 2368 DEVMETHOD(device_detach, sbp_detach), 2369 DEVMETHOD(device_shutdown, sbp_shutdown), 2370 2371 { 0, 0 } 2372 }; 2373 2374 static driver_t sbp_driver = { 2375 "sbp", 2376 sbp_methods, 2377 sizeof(struct sbp_softc), 2378 }; 2379 DRIVER_MODULE(sbp, firewire, sbp_driver, sbp_devclass, 0, 0); 2380 MODULE_VERSION(sbp, 1); 2381 MODULE_DEPEND(sbp, firewire, 1, 1, 1); 2382 MODULE_DEPEND(sbp, cam, 1, 1, 1); 2383