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 /* MAX 64 */ 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 77 #define LOGIN_DELAY 2 78 79 /* 80 * STATUS FIFO addressing 81 * bit 82 * ----------------------- 83 * 0- 1( 2): 0 (alingment) 84 * 2- 7( 6): target 85 * 8-15( 8): lun 86 * 16-23( 8): unit 87 * 24-31( 8): reserved 88 * 32-47(16): SBP_BIND_HI 89 * 48-64(16): bus_id, node_id 90 */ 91 #define SBP_BIND_HI 0x1 92 #define SBP_DEV2ADDR(u, t, l) \ 93 ((((u) & 0xff) << 16) | (((l) & 0xff) << 8) | (((t) & 0x3f) << 2)) 94 #define SBP_ADDR2TRG(a) (((a) >> 2) & 0x3f) 95 #define SBP_ADDR2LUN(a) (((a) >> 8) & 0xff) 96 97 #define ORB_NOTIFY (1 << 31) 98 #define ORB_FMT_STD (0 << 29) 99 #define ORB_FMT_VED (2 << 29) 100 #define ORB_FMT_NOP (3 << 29) 101 #define ORB_FMT_MSK (3 << 29) 102 #define ORB_EXV (1 << 28) 103 /* */ 104 #define ORB_CMD_IN (1 << 27) 105 /* */ 106 #define ORB_CMD_SPD(x) ((x) << 24) 107 #define ORB_CMD_MAXP(x) ((x) << 20) 108 #define ORB_RCN_TMO(x) ((x) << 20) 109 #define ORB_CMD_PTBL (1 << 19) 110 #define ORB_CMD_PSZ(x) ((x) << 16) 111 112 #define ORB_FUN_LGI (0 << 16) 113 #define ORB_FUN_QLG (1 << 16) 114 #define ORB_FUN_RCN (3 << 16) 115 #define ORB_FUN_LGO (7 << 16) 116 #define ORB_FUN_ATA (0xb << 16) 117 #define ORB_FUN_ATS (0xc << 16) 118 #define ORB_FUN_LUR (0xe << 16) 119 #define ORB_FUN_RST (0xf << 16) 120 #define ORB_FUN_MSK (0xf << 16) 121 #define ORB_FUN_RUNQUEUE 0xffff 122 123 static char *orb_fun_name[] = { 124 /* 0 */ "LOGIN", 125 /* 1 */ "QUERY LOGINS", 126 /* 2 */ "Reserved", 127 /* 3 */ "RECONNECT", 128 /* 4 */ "SET PASSWORD", 129 /* 5 */ "Reserved", 130 /* 6 */ "Reserved", 131 /* 7 */ "LOGOUT", 132 /* 8 */ "Reserved", 133 /* 9 */ "Reserved", 134 /* A */ "Reserved", 135 /* B */ "ABORT TASK", 136 /* C */ "ABORT TASK SET", 137 /* D */ "Reserved", 138 /* E */ "LOGICAL UNIT RESET", 139 /* F */ "TARGET RESET" 140 }; 141 142 #define ORB_RES_CMPL 0 143 #define ORB_RES_FAIL 1 144 #define ORB_RES_ILLE 2 145 #define ORB_RES_VEND 3 146 147 static int debug = 0; 148 static int auto_login = 1; 149 static int max_speed = 2; 150 static int sbp_cold = 1; 151 152 SYSCTL_DECL(_hw_firewire); 153 SYSCTL_NODE(_hw_firewire, OID_AUTO, sbp, CTLFLAG_RD, 0, "SBP-II Subsystem"); 154 SYSCTL_INT(_debug, OID_AUTO, sbp_debug, CTLFLAG_RW, &debug, 0, 155 "SBP debug flag"); 156 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, auto_login, CTLFLAG_RW, &auto_login, 0, 157 "SBP perform login automatically"); 158 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, max_speed, CTLFLAG_RW, &max_speed, 0, 159 "SBP transfer max speed"); 160 161 #define SBP_DEBUG(x) if (debug > x) { 162 #define END_DEBUG } 163 164 #define NEED_RESPONSE 0 165 166 struct ind_ptr { 167 u_int32_t hi,lo; 168 }; 169 #define SBP_IND_MAX 0x20 170 struct sbp_ocb { 171 STAILQ_ENTRY(sbp_ocb) ocb; 172 union ccb *ccb; 173 volatile u_int32_t orb[8]; 174 volatile struct ind_ptr ind_ptr[SBP_IND_MAX]; 175 struct sbp_dev *sdev; 176 int flags; 177 bus_dmamap_t dmamap; 178 }; 179 #define OCB_ACT_MGM 0 180 #define OCB_ACT_CMD 1 181 #define OCB_MATCH(o,s) (vtophys(&(o)->orb[0]) == ntohl((s)->orb_lo)) 182 183 184 struct sbp_login_res{ 185 u_int16_t len; 186 u_int16_t id; 187 u_int16_t res0; 188 u_int16_t cmd_hi; 189 u_int32_t cmd_lo; 190 u_int16_t res1; 191 u_int16_t recon_hold; 192 }; 193 struct sbp_status{ 194 u_int8_t len:3, 195 dead:1, 196 resp:2, 197 src:2; 198 u_int8_t status:8; 199 u_int16_t orb_hi; 200 u_int32_t orb_lo; 201 u_int32_t data[6]; 202 }; 203 struct sbp_cmd_status{ 204 #define SBP_SFMT_CURR 0 205 #define SBP_SFMT_DEFER 1 206 u_int8_t status:6, 207 sfmt:2; 208 u_int8_t s_key:4, 209 ill_len:1, 210 eom:1, 211 mark:1, 212 valid:1; 213 u_int8_t s_code; 214 u_int8_t s_qlfr; 215 u_int32_t info; 216 u_int32_t cdb; 217 u_int32_t fru:8, 218 s_keydep:24; 219 u_int32_t vend[2]; 220 }; 221 222 struct sbp_dev{ 223 #define SBP_DEV_RESET 0 /* accept login */ 224 #if 0 225 #define SBP_DEV_LOGIN 1 /* to login */ 226 #define SBP_DEV_RECONN 2 /* to reconnect */ 227 #endif 228 #define SBP_DEV_TOATTACH 3 /* to attach */ 229 #define SBP_DEV_PROBE 4 /* scan lun */ 230 #define SBP_DEV_ATTACHED 5 /* in operation */ 231 #define SBP_DEV_DEAD 6 /* unavailable unit */ 232 #define SBP_DEV_RETRY 7 /* unavailable unit */ 233 u_int8_t status:4, 234 #define SBP_DEV_TIMEOUT 1 235 flags:4; 236 u_int8_t type; 237 u_int16_t lun_id; 238 int freeze; 239 struct cam_path *path; 240 struct sbp_target *target; 241 struct sbp_login_res login; 242 struct callout login_callout; 243 STAILQ_HEAD(, sbp_ocb) ocbs; 244 char vendor[32]; 245 char product[32]; 246 char revision[10]; 247 }; 248 249 struct sbp_target { 250 int target_id; 251 int num_lun; 252 struct sbp_dev *luns; 253 struct sbp_softc *sbp; 254 struct fw_device *fwdev; 255 u_int32_t mgm_hi, mgm_lo; 256 struct sbp_ocb *mgm_ocb_cur; 257 STAILQ_HEAD(, sbp_ocb) mgm_ocb_queue; 258 struct callout mgm_ocb_timeout; 259 #define SCAN_DELAY 2 260 struct callout scan_callout; 261 }; 262 263 struct sbp_softc { 264 struct firewire_dev_comm fd; 265 struct cam_sim *sim; 266 struct cam_path *path; 267 struct sbp_target targets[SBP_NUM_TARGETS]; 268 struct fw_bind fwb; 269 STAILQ_HEAD(, sbp_ocb) free_ocbs; 270 struct sbp_ocb *ocb; 271 bus_dma_tag_t dmat; 272 #define SBP_RESOURCE_SHORTAGE 0x10 273 unsigned char flags; 274 }; 275 static void sbp_post_explore __P((void *)); 276 static void sbp_recv __P((struct fw_xfer *)); 277 static void sbp_login_callback __P((struct fw_xfer *)); 278 static void sbp_cmd_callback __P((struct fw_xfer *)); 279 static void sbp_orb_pointer __P((struct sbp_dev *, struct sbp_ocb *)); 280 static void sbp_execute_ocb __P((void *, bus_dma_segment_t *, int, int)); 281 static void sbp_free_ocb __P((struct sbp_softc *, struct sbp_ocb *)); 282 static void sbp_abort_ocb __P((struct sbp_ocb *, int)); 283 static void sbp_abort_all_ocbs __P((struct sbp_dev *, int)); 284 static struct fw_xfer * sbp_write_cmd __P((struct sbp_dev *, int, int)); 285 static struct sbp_ocb * sbp_get_ocb __P((struct sbp_softc *)); 286 static struct sbp_ocb * sbp_enqueue_ocb __P((struct sbp_dev *, struct sbp_ocb *)); 287 static struct sbp_ocb * sbp_dequeue_ocb __P((struct sbp_dev *, struct sbp_status *)); 288 static void sbp_cam_detach_target __P((struct sbp_target *)); 289 static void sbp_timeout __P((void *arg)); 290 static void sbp_mgm_orb __P((struct sbp_dev *, int, struct sbp_ocb *)); 291 #define sbp_login(sdev) \ 292 callout_reset(&(sdev)->login_callout, LOGIN_DELAY * hz, \ 293 sbp_login_callout, (void *)(sdev)); 294 295 MALLOC_DEFINE(M_SBP, "sbp", "SBP-II/FireWire"); 296 297 /* cam related functions */ 298 static void sbp_action(struct cam_sim *sim, union ccb *ccb); 299 static void sbp_poll(struct cam_sim *sim); 300 static void sbp_cam_scan_lun(struct cam_periph *, union ccb *); 301 static void sbp_cam_scan_target(void *arg); 302 303 static char *orb_status0[] = { 304 /* 0 */ "No additional information to report", 305 /* 1 */ "Request type not supported", 306 /* 2 */ "Speed not supported", 307 /* 3 */ "Page size not supported", 308 /* 4 */ "Access denied", 309 /* 5 */ "Logical unit not supported", 310 /* 6 */ "Maximum payload too small", 311 /* 7 */ "Reserved for future standardization", 312 /* 8 */ "Resources unavailable", 313 /* 9 */ "Function rejected", 314 /* A */ "Login ID not recognized", 315 /* B */ "Dummy ORB completed", 316 /* C */ "Request aborted", 317 /* FF */ "Unspecified error" 318 #define MAX_ORB_STATUS0 0xd 319 }; 320 321 static char *orb_status1_object[] = { 322 /* 0 */ "Operation request block (ORB)", 323 /* 1 */ "Data buffer", 324 /* 2 */ "Page table", 325 /* 3 */ "Unable to specify" 326 }; 327 328 static char *orb_status1_serial_bus_error[] = { 329 /* 0 */ "Missing acknowledge", 330 /* 1 */ "Reserved; not to be used", 331 /* 2 */ "Time-out error", 332 /* 3 */ "Reserved; not to be used", 333 /* 4 */ "Busy retry limit exceeded(X)", 334 /* 5 */ "Busy retry limit exceeded(A)", 335 /* 6 */ "Busy retry limit exceeded(B)", 336 /* 7 */ "Reserved for future standardization", 337 /* 8 */ "Reserved for future standardization", 338 /* 9 */ "Reserved for future standardization", 339 /* A */ "Reserved for future standardization", 340 /* B */ "Tardy retry limit exceeded", 341 /* C */ "Conflict error", 342 /* D */ "Data error", 343 /* E */ "Type error", 344 /* F */ "Address error" 345 }; 346 347 static void 348 sbp_identify(driver_t *driver, device_t parent) 349 { 350 device_t child; 351 SBP_DEBUG(0) 352 printf("sbp_identify\n"); 353 END_DEBUG 354 355 child = BUS_ADD_CHILD(parent, 0, "sbp", device_get_unit(parent)); 356 } 357 358 /* 359 * sbp_probe() 360 */ 361 static int 362 sbp_probe(device_t dev) 363 { 364 device_t pa; 365 366 SBP_DEBUG(0) 367 printf("sbp_probe\n"); 368 END_DEBUG 369 370 pa = device_get_parent(dev); 371 if(device_get_unit(dev) != device_get_unit(pa)){ 372 return(ENXIO); 373 } 374 375 device_set_desc(dev, "SBP2/SCSI over firewire"); 376 377 if (bootverbose) 378 debug = bootverbose; 379 return (0); 380 } 381 382 static void 383 sbp_show_sdev_info(struct sbp_dev *sdev, int new) 384 { 385 struct fw_device *fwdev; 386 387 printf("%s:%d:%d ", 388 device_get_nameunit(sdev->target->sbp->fd.dev), 389 sdev->target->target_id, 390 sdev->lun_id 391 ); 392 if (new == 2) { 393 return; 394 } 395 fwdev = sdev->target->fwdev; 396 printf("ordered:%d type:%d EUI:%08x%08x node:%d " 397 "speed:%d maxrec:%d", 398 (sdev->type & 0x40) >> 6, 399 (sdev->type & 0x1f), 400 fwdev->eui.hi, 401 fwdev->eui.lo, 402 fwdev->dst, 403 fwdev->speed, 404 fwdev->maxrec 405 ); 406 if (new) 407 printf(" new!\n"); 408 else 409 printf("\n"); 410 sbp_show_sdev_info(sdev, 2); 411 printf("'%s' '%s' '%s'\n", sdev->vendor, sdev->product, sdev->revision); 412 } 413 414 static struct { 415 int bus; 416 int target; 417 struct fw_eui64 eui; 418 } wired[] = { 419 /* Bus Target EUI64 */ 420 #if 0 421 {0, 2, {0x00018ea0, 0x01fd0154}}, /* Logitec HDD */ 422 {0, 0, {0x00018ea6, 0x00100682}}, /* Logitec DVD */ 423 {0, 1, {0x00d03200, 0xa412006a}}, /* Yano HDD */ 424 #endif 425 {-1, -1, {0,0}} 426 }; 427 428 static int 429 sbp_new_target(struct sbp_softc *sbp, struct fw_device *fwdev) 430 { 431 int bus, i, target=-1; 432 char w[SBP_NUM_TARGETS]; 433 434 bzero(w, sizeof(w)); 435 bus = device_get_unit(sbp->fd.dev); 436 437 /* XXX wired-down configuration should be gotten from 438 tunable or device hint */ 439 for (i = 0; wired[i].bus >= 0; i ++) { 440 if (wired[i].bus == bus) { 441 w[wired[i].target] = 1; 442 if (wired[i].eui.hi == fwdev->eui.hi && 443 wired[i].eui.lo == fwdev->eui.lo) 444 target = wired[i].target; 445 } 446 } 447 if (target >= 0) { 448 if(target < SBP_NUM_TARGETS && 449 sbp->targets[target].fwdev == NULL) 450 return(target); 451 device_printf(sbp->fd.dev, 452 "target %d is not free for %08x:%08x\n", 453 target, fwdev->eui.hi, fwdev->eui.lo); 454 target = -1; 455 } 456 /* non-wired target */ 457 for (i = 0; i < SBP_NUM_TARGETS; i ++) 458 if (sbp->targets[i].fwdev == NULL && w[i] == 0) { 459 target = i; 460 break; 461 } 462 463 return target; 464 } 465 466 static struct sbp_target * 467 sbp_alloc_target(struct sbp_softc *sbp, struct fw_device *fwdev) 468 { 469 int i, maxlun, lun; 470 struct sbp_target *target; 471 struct sbp_dev *sdev; 472 struct crom_context cc; 473 struct csrreg *reg; 474 475 SBP_DEBUG(1) 476 printf("sbp_alloc_target\n"); 477 END_DEBUG 478 i = sbp_new_target(sbp, fwdev); 479 if (i < 0) { 480 device_printf(sbp->fd.dev, "increase SBP_NUM_TARGETS!\n"); 481 return NULL; 482 } 483 /* new target */ 484 target = &sbp->targets[i]; 485 target->sbp = sbp; 486 target->fwdev = fwdev; 487 target->target_id = i; 488 /* XXX we may want to reload mgm port after each bus reset */ 489 if((target->mgm_lo = getcsrdata(fwdev, 0x54)) == 0 ){ 490 /* bad target */ 491 printf("NULL management address\n"); 492 target->fwdev = NULL; 493 return NULL; 494 } 495 target->mgm_hi = 0xffff; 496 target->mgm_lo = 0xf0000000 | target->mgm_lo << 2; 497 target->mgm_ocb_cur = NULL; 498 SBP_DEBUG(1) 499 printf("target:%d mgm_port: %x\n", i, target->mgm_lo); 500 END_DEBUG 501 STAILQ_INIT(&target->mgm_ocb_queue); 502 CALLOUT_INIT(&target->mgm_ocb_timeout); 503 CALLOUT_INIT(&target->scan_callout); 504 505 /* XXX num_lun may be changed. realloc luns? */ 506 crom_init_context(&cc, target->fwdev->csrrom); 507 /* XXX shoud parse appropriate unit directories only */ 508 maxlun = -1; 509 while (cc.depth >= 0) { 510 reg = crom_search_key(&cc, CROM_LUN); 511 if (reg == NULL) 512 break; 513 lun = reg->val & 0xffff; 514 SBP_DEBUG(0) 515 printf("target %d lun %d found\n", target->target_id, lun); 516 END_DEBUG 517 if (maxlun < lun) 518 maxlun = lun; 519 crom_next(&cc); 520 } 521 if (maxlun < 0) 522 printf("no lun found!\n"); 523 if (maxlun >= SBP_NUM_LUNS) 524 maxlun = SBP_NUM_LUNS; 525 target->num_lun = maxlun + 1; 526 target->luns = (struct sbp_dev *) malloc( 527 sizeof(struct sbp_dev) * target->num_lun, 528 M_SBP, M_NOWAIT | M_ZERO); 529 for (i = 0; i < target->num_lun; i++) { 530 sdev = &target->luns[i]; 531 sdev->lun_id = i; 532 sdev->target = target; 533 STAILQ_INIT(&sdev->ocbs); 534 CALLOUT_INIT(&sdev->login_callout); 535 sdev->status = SBP_DEV_DEAD; 536 } 537 crom_init_context(&cc, target->fwdev->csrrom); 538 while (cc.depth >= 0) { 539 reg = crom_search_key(&cc, CROM_LUN); 540 if (reg == NULL) 541 break; 542 lun = reg->val & 0xffff; 543 if (lun >= SBP_NUM_LUNS) { 544 printf("too large lun %d\n", lun); 545 continue; 546 } 547 target->luns[lun].status = SBP_DEV_RESET; 548 target->luns[lun].type = (reg->val & 0xf0000) >> 16; 549 crom_next(&cc); 550 } 551 return target; 552 } 553 554 static void 555 sbp_get_text_leaf(struct fw_device *fwdev, int key, char *buf, int len) 556 { 557 static char *nullstr = "(null)"; 558 int i, clen, found=0; 559 struct csrhdr *chdr; 560 struct csrreg *creg; 561 u_int32_t *src, *dst; 562 563 chdr = (struct csrhdr *)&fwdev->csrrom[0]; 564 /* skip crom header, bus info and root directory */ 565 creg = (struct csrreg *)chdr + chdr->info_len + 2; 566 /* search unitl the one before the last. */ 567 for (i = chdr->info_len + 2; i < fwdev->rommax / 4; i++) { 568 if((creg++)->key == key){ 569 found = 1; 570 break; 571 } 572 } 573 if (!found || creg->key != CROM_TEXTLEAF) { 574 strncpy(buf, nullstr, len); 575 return; 576 } 577 src = (u_int32_t *) creg + creg->val; 578 clen = ((*src >> 16) - 2) * 4; 579 src += 3; 580 dst = (u_int32_t *) buf; 581 if (len < clen) 582 clen = len; 583 for (i = 0; i < clen/4; i++) 584 *dst++ = htonl(*src++); 585 buf[clen] = 0; 586 } 587 588 static void 589 sbp_probe_lun(struct sbp_dev *sdev) 590 { 591 struct fw_device *fwdev; 592 int rev; 593 594 fwdev = sdev->target->fwdev; 595 bzero(sdev->vendor, sizeof(sdev->vendor)); 596 bzero(sdev->product, sizeof(sdev->product)); 597 sbp_get_text_leaf(fwdev, 0x03, sdev->vendor, sizeof(sdev->vendor)); 598 sbp_get_text_leaf(fwdev, 0x17, sdev->product, sizeof(sdev->product)); 599 rev = getcsrdata(sdev->target->fwdev, 0x3c); 600 snprintf(sdev->revision, sizeof(sdev->revision), "%06x", rev); 601 } 602 603 604 static void 605 sbp_login_callout(void *arg) 606 { 607 struct sbp_dev *sdev = (struct sbp_dev *)arg; 608 sbp_mgm_orb(sdev, ORB_FUN_LGI, NULL); 609 } 610 611 #define SBP_FWDEV_ALIVE(fwdev) \ 612 ((fwdev->status == FWDEVATTACHED) \ 613 && (getcsrdata(fwdev, CSRKEY_SPEC) == CSRVAL_ANSIT10) \ 614 && (getcsrdata(fwdev, CSRKEY_VER) == CSRVAL_T10SBP2)) 615 616 static void 617 sbp_probe_target(void *arg) 618 { 619 struct sbp_target *target = (struct sbp_target *)arg; 620 struct sbp_softc *sbp; 621 struct sbp_dev *sdev; 622 struct firewire_comm *fc; 623 int i, alive; 624 625 alive = SBP_FWDEV_ALIVE(target->fwdev); 626 SBP_DEBUG(1) 627 printf("sbp_probe_target %d\n", target->target_id); 628 if (!alive) 629 printf("not alive\n"); 630 END_DEBUG 631 632 sbp = target->sbp; 633 fc = target->sbp->fd.fc; 634 /* XXX untimeout mgm_ocb and dequeue */ 635 for (i=0; i < target->num_lun; i++) { 636 sdev = &target->luns[i]; 637 if (alive && (sdev->status != SBP_DEV_DEAD)) { 638 if (sdev->path != NULL) { 639 xpt_freeze_devq(sdev->path, 1); 640 sdev->freeze ++; 641 } 642 sbp_probe_lun(sdev); 643 SBP_DEBUG(0) 644 sbp_show_sdev_info(sdev, 645 #if 0 646 (sdev->status == SBP_DEV_TOATTACH)); 647 #else 648 (sdev->status == SBP_DEV_RESET)); 649 #endif 650 END_DEBUG 651 652 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET); 653 switch (sdev->status) { 654 case SBP_DEV_RESET: 655 /* new or revived target */ 656 if (auto_login) { 657 #if 0 658 sdev->status = SBP_DEV_TOATTACH; 659 #endif 660 sbp_login(sdev); 661 } 662 break; 663 case SBP_DEV_TOATTACH: 664 case SBP_DEV_PROBE: 665 case SBP_DEV_ATTACHED: 666 case SBP_DEV_RETRY: 667 default: 668 sbp_mgm_orb(sdev, ORB_FUN_RCN, NULL); 669 break; 670 } 671 } else { 672 switch (sdev->status) { 673 case SBP_DEV_ATTACHED: 674 SBP_DEBUG(0) 675 /* the device has gone */ 676 sbp_show_sdev_info(sdev, 2); 677 printf("lost target\n"); 678 END_DEBUG 679 if (sdev->path) { 680 xpt_freeze_devq(sdev->path, 1); 681 sdev->freeze ++; 682 } 683 sdev->status = SBP_DEV_RETRY; 684 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET); 685 break; 686 case SBP_DEV_PROBE: 687 case SBP_DEV_TOATTACH: 688 sdev->status = SBP_DEV_RESET; 689 break; 690 case SBP_DEV_RETRY: 691 case SBP_DEV_RESET: 692 case SBP_DEV_DEAD: 693 break; 694 } 695 } 696 } 697 } 698 699 static void 700 sbp_post_explore(void *arg) 701 { 702 struct sbp_softc *sbp = (struct sbp_softc *)arg; 703 struct sbp_target *target; 704 struct fw_device *fwdev; 705 int i, alive; 706 707 SBP_DEBUG(0) 708 printf("sbp_post_explore (sbp_cold=%d)\n", sbp_cold); 709 END_DEBUG 710 #if 0 /* 711 * XXX don't let CAM the bus rest. CAM tries to do something with 712 * freezed (DEV_RETRY) devices 713 */ 714 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL); 715 #endif 716 if (sbp_cold > 0) 717 sbp_cold --; 718 719 /* Gabage Collection */ 720 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){ 721 target = &sbp->targets[i]; 722 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) 723 if (target->fwdev == NULL || target->fwdev == fwdev) 724 break; 725 if(fwdev == NULL){ 726 /* device has removed in lower driver */ 727 sbp_cam_detach_target(target); 728 if (target->luns != NULL) 729 free(target->luns, M_SBP); 730 target->num_lun = 0;; 731 target->luns = NULL; 732 target->fwdev = NULL; 733 } 734 } 735 /* traverse device list */ 736 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) { 737 SBP_DEBUG(0) 738 printf("sbp_post_explore: EUI:%08x%08x ", 739 fwdev->eui.hi, fwdev->eui.lo); 740 if (fwdev->status == FWDEVATTACHED) { 741 printf("spec=%d key=%d.\n", 742 getcsrdata(fwdev, CSRKEY_SPEC) == CSRVAL_ANSIT10, 743 getcsrdata(fwdev, CSRKEY_VER) == CSRVAL_T10SBP2); 744 } else { 745 printf("not attached, state=%d.\n", fwdev->status); 746 } 747 END_DEBUG 748 alive = SBP_FWDEV_ALIVE(fwdev); 749 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){ 750 target = &sbp->targets[i]; 751 if(target->fwdev == fwdev ) { 752 /* known target */ 753 break; 754 } 755 } 756 if(i == SBP_NUM_TARGETS){ 757 if (alive) { 758 /* new target */ 759 target = sbp_alloc_target(sbp, fwdev); 760 if (target == NULL) 761 continue; 762 } else { 763 continue; 764 } 765 } 766 sbp_probe_target((void *)target); 767 } 768 #if 0 769 timeout(sbp_release_queue, (caddr_t)sbp, bus_reset_rest * hz / 1000); 770 #endif 771 } 772 773 #if NEED_RESPONSE 774 static void 775 sbp_loginres_callback(struct fw_xfer *xfer){ 776 SBP_DEBUG(1) 777 struct sbp_dev *sdev; 778 sdev = (struct sbp_dev *)xfer->sc; 779 sbp_show_sdev_info(sdev, 2); 780 printf("sbp_loginres_callback\n"); 781 END_DEBUG 782 fw_xfer_free(xfer); 783 return; 784 } 785 #endif 786 787 static void 788 sbp_login_callback(struct fw_xfer *xfer) 789 { 790 SBP_DEBUG(1) 791 struct sbp_dev *sdev; 792 sdev = (struct sbp_dev *)xfer->sc; 793 sbp_show_sdev_info(sdev, 2); 794 printf("sbp_login_callback\n"); 795 END_DEBUG 796 fw_xfer_free(xfer); 797 return; 798 } 799 800 static void 801 sbp_cmd_callback(struct fw_xfer *xfer) 802 { 803 SBP_DEBUG(2) 804 struct sbp_dev *sdev; 805 sdev = (struct sbp_dev *)xfer->sc; 806 sbp_show_sdev_info(sdev, 2); 807 printf("sbp_cmd_callback\n"); 808 END_DEBUG 809 fw_xfer_free(xfer); 810 return; 811 } 812 813 static struct sbp_dev * 814 sbp_next_dev(struct sbp_target *target, int lun) 815 { 816 struct sbp_dev *sdev; 817 int i; 818 819 for (i = lun, sdev = &target->luns[lun]; 820 i < target->num_lun; i++, sdev++) { 821 if (sdev->status == SBP_DEV_PROBE) 822 break; 823 } 824 if (i >= target->num_lun) 825 return(NULL); 826 return(sdev); 827 } 828 829 #define SCAN_PRI 1 830 static void 831 sbp_cam_scan_lun(struct cam_periph *periph, union ccb *ccb) 832 { 833 struct sbp_target *target; 834 struct sbp_dev *sdev; 835 836 sdev = (struct sbp_dev *) ccb->ccb_h.ccb_sdev_ptr; 837 target = sdev->target; 838 SBP_DEBUG(0) 839 sbp_show_sdev_info(sdev, 2); 840 printf("sbp_cam_scan_lun\n"); 841 END_DEBUG 842 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 843 sdev->status = SBP_DEV_ATTACHED; 844 } else { 845 sbp_show_sdev_info(sdev, 2); 846 printf("scan failed\n"); 847 } 848 sdev = sbp_next_dev(target, sdev->lun_id + 1); 849 if (sdev == NULL) { 850 free(ccb, M_SBP); 851 return; 852 } 853 /* reuse ccb */ 854 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI); 855 ccb->ccb_h.ccb_sdev_ptr = sdev; 856 xpt_action(ccb); 857 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 858 sdev->freeze = 1; 859 } 860 861 static void 862 sbp_cam_scan_target(void *arg) 863 { 864 struct sbp_target *target = (struct sbp_target *)arg; 865 struct sbp_dev *sdev; 866 union ccb *ccb; 867 868 sdev = sbp_next_dev(target, 0); 869 if (sdev == NULL) { 870 printf("sbp_cam_scan_target: nothing to do for target%d\n", 871 target->target_id); 872 return; 873 } 874 SBP_DEBUG(0) 875 sbp_show_sdev_info(sdev, 2); 876 printf("sbp_cam_scan_target\n"); 877 END_DEBUG 878 ccb = malloc(sizeof(union ccb), M_SBP, M_NOWAIT | M_ZERO); 879 if (ccb == NULL) { 880 printf("sbp_cam_scan_target: malloc failed\n"); 881 return; 882 } 883 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI); 884 ccb->ccb_h.func_code = XPT_SCAN_LUN; 885 ccb->ccb_h.cbfcnp = sbp_cam_scan_lun; 886 ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 887 ccb->crcn.flags = CAM_FLAG_NONE; 888 ccb->ccb_h.ccb_sdev_ptr = sdev; 889 890 /* The scan is in progress now. */ 891 xpt_action(ccb); 892 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 893 sdev->freeze = 1; 894 } 895 896 897 #if 0 898 static void 899 sbp_ping_unit_callback(struct cam_periph *periph, union ccb *ccb) 900 { 901 struct sbp_dev *sdev; 902 sdev = (struct sbp_dev *) ccb->ccb_h.ccb_sdev_ptr; 903 SBP_DEBUG(0) 904 sbp_show_sdev_info(sdev, 2); 905 printf("sbp_ping_unit_callback\n"); 906 END_DEBUG 907 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 908 if (--ccb->ccb_h.retry_count == 0) { 909 sbp_show_sdev_info(sdev, 2); 910 printf("sbp_ping_unit_callback: " 911 "retry count exceeded\n"); 912 sdev->status = SBP_DEV_RETRY; 913 free(ccb, M_SBP); 914 } else { 915 /* requeue */ 916 xpt_action(ccb); 917 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 918 sdev->freeze = 1; /* we will freeze */ 919 } 920 } else { 921 free(ccb->csio.data_ptr, M_SBP); 922 free(ccb, M_SBP); 923 sdev->status = SBP_DEV_ATTACHED; 924 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 925 sdev->freeze = 0; 926 } 927 } 928 929 /* 930 * XXX Some devices need to execute inquiry or read_capacity 931 * after bus_rest during busy transfer. 932 * Otherwise they return incorrect result for READ(and WRITE?) 933 * command without any SBP-II/SCSI error. 934 * 935 * e.g. Maxtor 3000XT, Yano A-dish. 936 */ 937 static void 938 sbp_ping_unit(struct sbp_dev *sdev) 939 { 940 union ccb *ccb; 941 struct scsi_inquiry_data *inq_buf; 942 943 944 ccb = malloc(sizeof(union ccb), M_SBP, M_NOWAIT | M_ZERO); 945 if (ccb == NULL) { 946 printf("sbp_ping_unit: malloc failed\n"); 947 return; 948 } 949 950 inq_buf = (struct scsi_inquiry_data *) 951 malloc(sizeof(*inq_buf), M_SBP, M_NOWAIT); 952 if (inq_buf == NULL) { 953 free(ccb, M_SBP); 954 printf("sbp_ping_unit: malloc failed\n"); 955 return; 956 } 957 958 SBP_DEBUG(0) 959 sbp_show_sdev_info(sdev, 2); 960 printf("sbp_ping_unit\n"); 961 END_DEBUG 962 963 /* 964 * We need to execute this command before any other queued command. 965 * Make priority 0 and freeze the queue after execution for retry. 966 * cam's scan_lun command doesn't provide this feature. 967 */ 968 xpt_setup_ccb(&ccb->ccb_h, sdev->path, 0/*priority (high)*/); 969 scsi_inquiry( 970 &ccb->csio, 971 /*retries*/ 5, 972 sbp_ping_unit_callback, 973 MSG_SIMPLE_Q_TAG, 974 (u_int8_t *)inq_buf, 975 SHORT_INQUIRY_LENGTH, 976 /*evpd*/FALSE, 977 /*page_code*/0, 978 SSD_MIN_SIZE, 979 /*timeout*/60000 980 ); 981 ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 982 ccb->ccb_h.ccb_sdev_ptr = sdev; 983 xpt_action(ccb); 984 if (sdev->status != SBP_DEV_ATTACHED) 985 sdev->status = SBP_DEV_PROBE; 986 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 987 sdev->freeze = 1; /* We will freeze the queue */ 988 } 989 #endif 990 991 static __inline void 992 sbp_scan_dev(struct sbp_dev *sdev) 993 { 994 sdev->status = SBP_DEV_PROBE; 995 callout_reset(&sdev->target->scan_callout, SCAN_DELAY * hz, 996 sbp_cam_scan_target, (void *)sdev->target); 997 } 998 999 static void 1000 sbp_do_attach(struct fw_xfer *xfer) 1001 { 1002 struct sbp_dev *sdev; 1003 struct sbp_target *target; 1004 struct sbp_softc *sbp; 1005 1006 sdev = (struct sbp_dev *)xfer->sc; 1007 target = sdev->target; 1008 sbp = target->sbp; 1009 SBP_DEBUG(0) 1010 sbp_show_sdev_info(sdev, 2); 1011 printf("sbp_do_attach\n"); 1012 END_DEBUG 1013 fw_xfer_free(xfer); 1014 1015 if (sdev->path == NULL) 1016 xpt_create_path(&sdev->path, xpt_periph, 1017 cam_sim_path(target->sbp->sim), 1018 target->target_id, sdev->lun_id); 1019 1020 /* 1021 * Let CAM scan the bus if we are in the boot process. 1022 * XXX xpt_scan_bus cannot detect LUN larger than 0 1023 * if LUN 0 doesn't exists. 1024 */ 1025 if (sbp_cold > 0) { 1026 sdev->status = SBP_DEV_ATTACHED; 1027 return; 1028 } 1029 1030 sbp_scan_dev(sdev); 1031 return; 1032 } 1033 1034 static void 1035 sbp_agent_reset_callback(struct fw_xfer *xfer) 1036 { 1037 struct sbp_dev *sdev; 1038 1039 sdev = (struct sbp_dev *)xfer->sc; 1040 SBP_DEBUG(1) 1041 sbp_show_sdev_info(sdev, 2); 1042 printf("sbp_cmd_callback\n"); 1043 END_DEBUG 1044 fw_xfer_free(xfer); 1045 if (sdev->path) { 1046 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 1047 sdev->freeze = 0; 1048 } 1049 } 1050 1051 static void 1052 sbp_agent_reset(struct sbp_dev *sdev) 1053 { 1054 struct fw_xfer *xfer; 1055 struct fw_pkt *fp; 1056 1057 SBP_DEBUG(0) 1058 sbp_show_sdev_info(sdev, 2); 1059 printf("sbp_agent_reset\n"); 1060 END_DEBUG 1061 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x04); 1062 if (xfer == NULL) 1063 return; 1064 if (sdev->status == SBP_DEV_ATTACHED) 1065 xfer->act.hand = sbp_agent_reset_callback; 1066 else 1067 xfer->act.hand = sbp_do_attach; 1068 fp = (struct fw_pkt *)xfer->send.buf; 1069 fp->mode.wreqq.data = htonl(0xf); 1070 fw_asyreq(xfer->fc, -1, xfer); 1071 sbp_abort_all_ocbs(sdev, CAM_BDR_SENT); 1072 } 1073 1074 static void 1075 sbp_busy_timeout_callback(struct fw_xfer *xfer) 1076 { 1077 struct sbp_dev *sdev; 1078 1079 sdev = (struct sbp_dev *)xfer->sc; 1080 SBP_DEBUG(1) 1081 sbp_show_sdev_info(sdev, 2); 1082 printf("sbp_busy_timeout_callback\n"); 1083 END_DEBUG 1084 fw_xfer_free(xfer); 1085 sbp_agent_reset(sdev); 1086 } 1087 1088 static void 1089 sbp_busy_timeout(struct sbp_dev *sdev) 1090 { 1091 struct fw_pkt *fp; 1092 struct fw_xfer *xfer; 1093 SBP_DEBUG(0) 1094 sbp_show_sdev_info(sdev, 2); 1095 printf("sbp_busy_timeout\n"); 1096 END_DEBUG 1097 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 1098 1099 xfer->act.hand = sbp_busy_timeout_callback; 1100 fp = (struct fw_pkt *)xfer->send.buf; 1101 fp->mode.wreqq.dest_hi = htons(0xffff); 1102 fp->mode.wreqq.dest_lo = htonl(0xf0000000 | BUSY_TIMEOUT); 1103 fp->mode.wreqq.data = htonl((1 << (13+12)) | 0xf); 1104 fw_asyreq(xfer->fc, -1, xfer); 1105 } 1106 1107 #if 0 1108 static void 1109 sbp_reset_start(struct sbp_dev *sdev) 1110 { 1111 struct fw_xfer *xfer; 1112 struct fw_pkt *fp; 1113 1114 SBP_DEBUG(0) 1115 sbp_show_sdev_info(sdev, 2); 1116 printf("sbp_reset_start\n"); 1117 END_DEBUG 1118 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 1119 1120 xfer->act.hand = sbp_busy_timeout; 1121 fp = (struct fw_pkt *)xfer->send.buf; 1122 fp->mode.wreqq.dest_hi = htons(0xffff); 1123 fp->mode.wreqq.dest_lo = htonl(0xf0000000 | RESET_START); 1124 fp->mode.wreqq.data = htonl(0xf); 1125 fw_asyreq(xfer->fc, -1, xfer); 1126 } 1127 #endif 1128 1129 static void 1130 sbp_orb_pointer(struct sbp_dev *sdev, struct sbp_ocb *ocb) 1131 { 1132 struct fw_xfer *xfer; 1133 struct fw_pkt *fp; 1134 SBP_DEBUG(2) 1135 sbp_show_sdev_info(sdev, 2); 1136 printf("sbp_orb_pointer\n"); 1137 END_DEBUG 1138 1139 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0x08); 1140 if (xfer == NULL) 1141 return; 1142 xfer->act.hand = sbp_cmd_callback; 1143 1144 fp = (struct fw_pkt *)xfer->send.buf; 1145 fp->mode.wreqb.len = htons(8); 1146 fp->mode.wreqb.extcode = 0; 1147 fp->mode.wreqb.payload[0] = 1148 htonl(((sdev->target->sbp->fd.fc->nodeid | FWLOCALBUS )<< 16)); 1149 fp->mode.wreqb.payload[1] = htonl(vtophys(&ocb->orb[0])); 1150 1151 if(fw_asyreq(xfer->fc, -1, xfer) != 0){ 1152 fw_xfer_free(xfer); 1153 ocb->ccb->ccb_h.status = CAM_REQ_INVALID; 1154 xpt_done(ocb->ccb); 1155 } 1156 } 1157 1158 #if 0 1159 static void 1160 sbp_doorbell(struct sbp_dev *sdev) 1161 { 1162 struct fw_xfer *xfer; 1163 struct fw_pkt *fp; 1164 SBP_DEBUG(1) 1165 sbp_show_sdev_info(sdev, 2); 1166 printf("sbp_doorbell\n"); 1167 END_DEBUG 1168 1169 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x10); 1170 if (xfer == NULL) 1171 return; 1172 xfer->act.hand = sbp_cmd_callback; 1173 fp = (struct fw_pkt *)xfer->send.buf; 1174 fp->mode.wreqq.data = htonl(0xf); 1175 fw_asyreq(xfer->fc, -1, xfer); 1176 } 1177 #endif 1178 1179 static struct fw_xfer * 1180 sbp_write_cmd(struct sbp_dev *sdev, int tcode, int offset) 1181 { 1182 struct fw_xfer *xfer; 1183 struct fw_pkt *fp; 1184 1185 xfer = fw_xfer_alloc(M_SBP); 1186 if(xfer == NULL){ 1187 return NULL; 1188 } 1189 if (tcode == FWTCODE_WREQQ) 1190 xfer->send.len = 16; 1191 else 1192 xfer->send.len = 24; 1193 1194 xfer->send.buf = malloc(xfer->send.len, M_FW, M_NOWAIT); 1195 if(xfer->send.buf == NULL){ 1196 fw_xfer_free(xfer); 1197 return NULL; 1198 } 1199 1200 xfer->send.off = 0; 1201 xfer->spd = min(sdev->target->fwdev->speed, max_speed); 1202 xfer->sc = (caddr_t)sdev; 1203 xfer->fc = sdev->target->sbp->fd.fc; 1204 xfer->retry_req = fw_asybusy; 1205 1206 fp = (struct fw_pkt *)xfer->send.buf; 1207 fp->mode.wreqq.dest_hi = htons(sdev->login.cmd_hi); 1208 fp->mode.wreqq.dest_lo = htonl(sdev->login.cmd_lo + offset); 1209 fp->mode.wreqq.tlrt = 0; 1210 fp->mode.wreqq.tcode = tcode; 1211 fp->mode.wreqq.pri = 0; 1212 xfer->dst = FWLOCALBUS | sdev->target->fwdev->dst; 1213 fp->mode.wreqq.dst = htons(xfer->dst); 1214 1215 return xfer; 1216 1217 } 1218 1219 static void 1220 sbp_mgm_orb(struct sbp_dev *sdev, int func, struct sbp_ocb *aocb) 1221 { 1222 struct fw_xfer *xfer; 1223 struct fw_pkt *fp; 1224 struct sbp_ocb *ocb; 1225 struct sbp_target *target; 1226 int s, nid; 1227 1228 target = sdev->target; 1229 nid = target->sbp->fd.fc->nodeid | FWLOCALBUS; 1230 1231 s = splfw(); 1232 if (func == ORB_FUN_RUNQUEUE) { 1233 ocb = STAILQ_FIRST(&target->mgm_ocb_queue); 1234 if (target->mgm_ocb_cur != NULL || ocb == NULL) { 1235 splx(s); 1236 return; 1237 } 1238 STAILQ_REMOVE_HEAD(&target->mgm_ocb_queue, ocb); 1239 goto start; 1240 } 1241 if ((ocb = sbp_get_ocb(target->sbp)) == NULL) { 1242 target->sbp->flags |= SBP_RESOURCE_SHORTAGE; 1243 splx(s); 1244 return; 1245 } 1246 ocb->flags = OCB_ACT_MGM; 1247 ocb->sdev = sdev; 1248 1249 bzero((void *)(uintptr_t)(volatile void *)ocb->orb, sizeof(ocb->orb)); 1250 ocb->orb[6] = htonl((nid << 16) | SBP_BIND_HI); 1251 ocb->orb[7] = htonl(SBP_DEV2ADDR( 1252 device_get_unit(target->sbp->fd.dev), 1253 target->target_id, 1254 sdev->lun_id)); 1255 1256 SBP_DEBUG(0) 1257 sbp_show_sdev_info(sdev, 2); 1258 printf("%s\n", orb_fun_name[(func>>16)&0xf]); 1259 END_DEBUG 1260 switch (func) { 1261 case ORB_FUN_LGI: 1262 ocb->orb[2] = htonl(nid << 16); 1263 ocb->orb[3] = htonl(vtophys(&sdev->login)); 1264 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_EXV | sdev->lun_id); 1265 ocb->orb[5] = htonl(sizeof(struct sbp_login_res)); 1266 break; 1267 case ORB_FUN_ATA: 1268 ocb->orb[0] = htonl((0 << 16) | 0); 1269 ocb->orb[1] = htonl(vtophys(&aocb->orb[0])); 1270 /* fall through */ 1271 case ORB_FUN_RCN: 1272 case ORB_FUN_LGO: 1273 case ORB_FUN_LUR: 1274 case ORB_FUN_RST: 1275 case ORB_FUN_ATS: 1276 ocb->orb[4] = htonl(ORB_NOTIFY | func | sdev->login.id); 1277 break; 1278 } 1279 1280 if (target->mgm_ocb_cur != NULL) { 1281 /* there is a standing ORB */ 1282 STAILQ_INSERT_TAIL(&sdev->target->mgm_ocb_queue, ocb, ocb); 1283 splx(s); 1284 return; 1285 } 1286 start: 1287 target->mgm_ocb_cur = ocb; 1288 splx(s); 1289 1290 callout_reset(&target->mgm_ocb_timeout, 5*hz, 1291 sbp_timeout, (caddr_t)ocb); 1292 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0); 1293 if(xfer == NULL){ 1294 return; 1295 } 1296 xfer->act.hand = sbp_login_callback; 1297 1298 fp = (struct fw_pkt *)xfer->send.buf; 1299 fp->mode.wreqb.dest_hi = htons(sdev->target->mgm_hi); 1300 fp->mode.wreqb.dest_lo = htonl(sdev->target->mgm_lo); 1301 fp->mode.wreqb.len = htons(8); 1302 fp->mode.wreqb.extcode = 0; 1303 fp->mode.wreqb.payload[0] = htonl(nid << 16); 1304 fp->mode.wreqb.payload[1] = htonl(vtophys(&ocb->orb[0])); 1305 1306 fw_asyreq(xfer->fc, -1, xfer); 1307 } 1308 1309 static void 1310 sbp_print_scsi_cmd(struct sbp_ocb *ocb) 1311 { 1312 struct ccb_scsiio *csio; 1313 1314 csio = &ocb->ccb->csio; 1315 printf("%s:%d:%d XPT_SCSI_IO: " 1316 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 1317 ", flags: 0x%02x, " 1318 "%db cmd/%db data/%db sense\n", 1319 device_get_nameunit(ocb->sdev->target->sbp->fd.dev), 1320 ocb->ccb->ccb_h.target_id, ocb->ccb->ccb_h.target_lun, 1321 csio->cdb_io.cdb_bytes[0], 1322 csio->cdb_io.cdb_bytes[1], 1323 csio->cdb_io.cdb_bytes[2], 1324 csio->cdb_io.cdb_bytes[3], 1325 csio->cdb_io.cdb_bytes[4], 1326 csio->cdb_io.cdb_bytes[5], 1327 csio->cdb_io.cdb_bytes[6], 1328 csio->cdb_io.cdb_bytes[7], 1329 csio->cdb_io.cdb_bytes[8], 1330 csio->cdb_io.cdb_bytes[9], 1331 ocb->ccb->ccb_h.flags & CAM_DIR_MASK, 1332 csio->cdb_len, csio->dxfer_len, 1333 csio->sense_len); 1334 } 1335 1336 static void 1337 sbp_scsi_status(struct sbp_status *sbp_status, struct sbp_ocb *ocb) 1338 { 1339 struct sbp_cmd_status *sbp_cmd_status; 1340 struct scsi_sense_data *sense; 1341 1342 sbp_cmd_status = (struct sbp_cmd_status *)sbp_status->data; 1343 sense = &ocb->ccb->csio.sense_data; 1344 1345 SBP_DEBUG(0) 1346 sbp_print_scsi_cmd(ocb); 1347 /* XXX need decode status */ 1348 sbp_show_sdev_info(ocb->sdev, 2); 1349 printf("SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d", 1350 sbp_cmd_status->status, 1351 sbp_cmd_status->sfmt, 1352 sbp_cmd_status->valid, 1353 sbp_cmd_status->s_key, 1354 sbp_cmd_status->s_code, 1355 sbp_cmd_status->s_qlfr, 1356 sbp_status->len 1357 ); 1358 #if 0 /* XXX */ 1359 if (sbp_cmd_status->status == SCSI_STATUS_CHECK_COND) { 1360 printf(" %s\n", scsi_sense_key_text[sbp_cmd_status->s_key]); 1361 scsi_sense_desc( 1362 sbp_cmd_status->s_code, 1363 sbp_cmd_status->s_qlfr, 1364 ocb->ccb->ccb_h.path->device->inq_data 1365 ) 1366 } else { 1367 printf("\n"); 1368 } 1369 #else 1370 printf("\n"); 1371 #endif 1372 END_DEBUG 1373 1374 switch (sbp_cmd_status->status) { 1375 case SCSI_STATUS_CHECK_COND: 1376 case SCSI_STATUS_BUSY: 1377 case SCSI_STATUS_CMD_TERMINATED: 1378 if(sbp_cmd_status->sfmt == SBP_SFMT_CURR){ 1379 sense->error_code = SSD_CURRENT_ERROR; 1380 }else{ 1381 sense->error_code = SSD_DEFERRED_ERROR; 1382 } 1383 if(sbp_cmd_status->valid) 1384 sense->error_code |= SSD_ERRCODE_VALID; 1385 sense->flags = sbp_cmd_status->s_key; 1386 if(sbp_cmd_status->mark) 1387 sense->flags |= SSD_FILEMARK; 1388 if(sbp_cmd_status->eom) 1389 sense->flags |= SSD_EOM; 1390 if(sbp_cmd_status->ill_len) 1391 sense->flags |= SSD_ILI; 1392 sense->info[0] = ntohl(sbp_cmd_status->info) & 0xff; 1393 sense->info[1] =(ntohl(sbp_cmd_status->info) >> 8) & 0xff; 1394 sense->info[2] =(ntohl(sbp_cmd_status->info) >> 16) & 0xff; 1395 sense->info[3] =(ntohl(sbp_cmd_status->info) >> 24) & 0xff; 1396 if (sbp_status->len <= 1) 1397 /* XXX not scsi status. shouldn't be happened */ 1398 sense->extra_len = 0; 1399 else if (sbp_status->len <= 4) 1400 /* add_sense_code(_qual), info, cmd_spec_info */ 1401 sense->extra_len = 6; 1402 else 1403 /* fru, sense_key_spec */ 1404 sense->extra_len = 10; 1405 sense->cmd_spec_info[0] = ntohl(sbp_cmd_status->cdb) & 0xff; 1406 sense->cmd_spec_info[1] = (ntohl(sbp_cmd_status->cdb) >> 8) & 0xff; 1407 sense->cmd_spec_info[2] = (ntohl(sbp_cmd_status->cdb) >> 16) & 0xff; 1408 sense->cmd_spec_info[3] = (ntohl(sbp_cmd_status->cdb) >> 24) & 0xff; 1409 sense->add_sense_code = sbp_cmd_status->s_code; 1410 sense->add_sense_code_qual = sbp_cmd_status->s_qlfr; 1411 sense->fru = sbp_cmd_status->fru; 1412 sense->sense_key_spec[0] = ntohl(sbp_cmd_status->s_keydep) & 0xff; 1413 sense->sense_key_spec[1] = (ntohl(sbp_cmd_status->s_keydep) >>8) & 0xff; 1414 sense->sense_key_spec[2] = (ntohl(sbp_cmd_status->s_keydep) >>16) & 0xff; 1415 1416 ocb->ccb->csio.scsi_status = sbp_cmd_status->status;; 1417 ocb->ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR 1418 | CAM_AUTOSNS_VALID; 1419 /* 1420 { 1421 u_int8_t j, *tmp; 1422 tmp = sense; 1423 for( j = 0 ; j < 32 ; j+=8){ 1424 printf("sense %02x%02x %02x%02x %02x%02x %02x%02x\n", 1425 tmp[j], tmp[j+1], tmp[j+2], tmp[j+3], 1426 tmp[j+4], tmp[j+5], tmp[j+6], tmp[j+7]); 1427 } 1428 1429 } 1430 */ 1431 break; 1432 default: 1433 sbp_show_sdev_info(ocb->sdev, 2); 1434 printf("sbp_scsi_status: unknown scsi status 0x%x\n", 1435 sbp_cmd_status->status); 1436 } 1437 } 1438 1439 static void 1440 sbp_fix_inq_data(struct sbp_ocb *ocb) 1441 { 1442 union ccb *ccb; 1443 struct sbp_dev *sdev; 1444 struct scsi_inquiry_data *inq; 1445 1446 ccb = ocb->ccb; 1447 sdev = ocb->sdev; 1448 1449 if (ccb->csio.cdb_io.cdb_bytes[1] & SI_EVPD) 1450 return; 1451 SBP_DEBUG(1) 1452 sbp_show_sdev_info(sdev, 2); 1453 printf("sbp_fix_inq_data\n"); 1454 END_DEBUG 1455 inq = (struct scsi_inquiry_data *) ccb->csio.data_ptr; 1456 switch (SID_TYPE(inq)) { 1457 case T_DIRECT: 1458 /* 1459 * XXX Convert Direct Access device to RBC. 1460 * I've never seen FireWire DA devices which support READ_6. 1461 */ 1462 #if 1 1463 if (SID_TYPE(inq) == T_DIRECT) 1464 inq->device |= T_RBC; /* T_DIRECT == 0 */ 1465 #endif 1466 /* fall through */ 1467 case T_RBC: 1468 /* enable tag queuing */ 1469 #if 1 1470 inq->flags |= SID_CmdQue; 1471 #endif 1472 /* 1473 * Override vendor/product/revision information. 1474 * Some devices sometimes return strange strings. 1475 */ 1476 #if 1 1477 bcopy(sdev->vendor, inq->vendor, sizeof(inq->vendor)); 1478 bcopy(sdev->product, inq->product, sizeof(inq->product)); 1479 bcopy(sdev->revision+2, inq->revision, sizeof(inq->revision)); 1480 #endif 1481 break; 1482 } 1483 } 1484 1485 static void 1486 sbp_recv1(struct fw_xfer *xfer){ 1487 struct fw_pkt *rfp; 1488 #if NEED_RESPONSE 1489 struct fw_pkt *sfp; 1490 #endif 1491 struct sbp_softc *sbp; 1492 struct sbp_dev *sdev; 1493 struct sbp_ocb *ocb; 1494 struct sbp_login_res *login_res = NULL; 1495 struct sbp_status *sbp_status; 1496 struct sbp_target *target; 1497 int orb_fun, status_valid0, status_valid, t, l, reset_agent = 0; 1498 u_int32_t addr; 1499 /* 1500 u_int32_t *ld; 1501 ld = xfer->recv.buf; 1502 printf("sbp %x %d %d %08x %08x %08x %08x\n", 1503 xfer->resp, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3])); 1504 printf("sbp %08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 1505 printf("sbp %08x %08x %08x %08x\n", ntohl(ld[8]), ntohl(ld[9]), ntohl(ld[10]), ntohl(ld[11])); 1506 */ 1507 if(xfer->resp != 0){ 1508 printf("sbp_recv: xfer->resp != 0\n"); 1509 fw_xfer_free( xfer); 1510 return; 1511 } 1512 if(xfer->recv.buf == NULL){ 1513 printf("sbp_recv: xfer->recv.buf == NULL\n"); 1514 fw_xfer_free( xfer); 1515 return; 1516 } 1517 sbp = (struct sbp_softc *)xfer->sc; 1518 rfp = (struct fw_pkt *)xfer->recv.buf; 1519 if(rfp->mode.wreqb.tcode != FWTCODE_WREQB){ 1520 printf("sbp_recv: tcode = %d\n", rfp->mode.wreqb.tcode); 1521 fw_xfer_free( xfer); 1522 return; 1523 } 1524 sbp_status = (struct sbp_status *)rfp->mode.wreqb.payload; 1525 addr = ntohl(rfp->mode.wreqb.dest_lo); 1526 SBP_DEBUG(2) 1527 printf("received address 0x%x\n", addr); 1528 END_DEBUG 1529 t = SBP_ADDR2TRG(addr); 1530 if (t >= SBP_NUM_TARGETS) { 1531 device_printf(sbp->fd.dev, 1532 "sbp_recv1: invalid target %d\n", t); 1533 fw_xfer_free(xfer); 1534 return; 1535 } 1536 target = &sbp->targets[t]; 1537 l = SBP_ADDR2LUN(addr); 1538 if (l >= target->num_lun) { 1539 device_printf(sbp->fd.dev, 1540 "sbp_recv1: invalid lun %d (target=%d)\n", l, t); 1541 fw_xfer_free(xfer); 1542 return; 1543 } 1544 sdev = &target->luns[l]; 1545 1546 ocb = NULL; 1547 switch (sbp_status->src) { 1548 case 0: 1549 case 1: 1550 /* check mgm_ocb_cur first */ 1551 ocb = target->mgm_ocb_cur; 1552 if (ocb != NULL) { 1553 if (OCB_MATCH(ocb, sbp_status)) { 1554 callout_stop(&target->mgm_ocb_timeout); 1555 target->mgm_ocb_cur = NULL; 1556 break; 1557 } 1558 } 1559 ocb = sbp_dequeue_ocb(sdev, sbp_status); 1560 if (ocb == NULL) { 1561 sbp_show_sdev_info(sdev, 2); 1562 #if __FreeBSD_version >= 500000 1563 printf("No ocb(%x) on the queue\n", 1564 #else 1565 printf("No ocb(%lx) on the queue\n", 1566 #endif 1567 ntohl(sbp_status->orb_lo)); 1568 } 1569 break; 1570 case 2: 1571 /* unsolicit */ 1572 sbp_show_sdev_info(sdev, 2); 1573 printf("unsolicit status received\n"); 1574 break; 1575 default: 1576 sbp_show_sdev_info(sdev, 2); 1577 printf("unknown sbp_status->src\n"); 1578 } 1579 1580 status_valid0 = (sbp_status->src < 2 1581 && sbp_status->resp == ORB_RES_CMPL 1582 && sbp_status->dead == 0); 1583 status_valid = (status_valid0 && sbp_status->status == 0); 1584 1585 if (!status_valid0 || debug > 1){ 1586 int status; 1587 SBP_DEBUG(0) 1588 sbp_show_sdev_info(sdev, 2); 1589 printf("ORB status src:%x resp:%x dead:%x" 1590 #if __FreeBSD_version >= 500000 1591 " len:%x stat:%x orb:%x%08x\n", 1592 #else 1593 " len:%x stat:%x orb:%x%08lx\n", 1594 #endif 1595 sbp_status->src, sbp_status->resp, sbp_status->dead, 1596 sbp_status->len, sbp_status->status, 1597 ntohs(sbp_status->orb_hi), ntohl(sbp_status->orb_lo)); 1598 END_DEBUG 1599 sbp_show_sdev_info(sdev, 2); 1600 status = sbp_status->status; 1601 switch(sbp_status->resp) { 1602 case 0: 1603 if (status > MAX_ORB_STATUS0) 1604 printf("%s\n", orb_status0[MAX_ORB_STATUS0]); 1605 else 1606 printf("%s\n", orb_status0[status]); 1607 break; 1608 case 1: 1609 printf("Obj: %s, Error: %s\n", 1610 orb_status1_object[(status>>6) & 3], 1611 orb_status1_serial_bus_error[status & 0xf]); 1612 break; 1613 case 2: 1614 printf("Illegal request\n"); 1615 break; 1616 case 3: 1617 printf("Vendor dependent\n"); 1618 break; 1619 default: 1620 printf("unknown respose code %d\n", sbp_status->resp); 1621 } 1622 } 1623 1624 /* we have to reset the fetch agent if it's dead */ 1625 if (sbp_status->dead) { 1626 if (sdev->path) { 1627 xpt_freeze_devq(sdev->path, 1); 1628 sdev->freeze ++; 1629 } 1630 reset_agent = 1; 1631 } 1632 1633 if (ocb == NULL) 1634 goto done; 1635 1636 sdev->flags &= ~SBP_DEV_TIMEOUT; 1637 1638 switch(ntohl(ocb->orb[4]) & ORB_FMT_MSK){ 1639 case ORB_FMT_NOP: 1640 break; 1641 case ORB_FMT_VED: 1642 break; 1643 case ORB_FMT_STD: 1644 switch(ocb->flags) { 1645 case OCB_ACT_MGM: 1646 orb_fun = ntohl(ocb->orb[4]) & ORB_FUN_MSK; 1647 switch(orb_fun) { 1648 case ORB_FUN_LGI: 1649 login_res = &sdev->login; 1650 login_res->len = ntohs(login_res->len); 1651 login_res->id = ntohs(login_res->id); 1652 login_res->cmd_hi = ntohs(login_res->cmd_hi); 1653 login_res->cmd_lo = ntohl(login_res->cmd_lo); 1654 if (status_valid) { 1655 SBP_DEBUG(0) 1656 sbp_show_sdev_info(sdev, 2); 1657 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)); 1658 END_DEBUG 1659 #if 0 1660 sdev->status = SBP_DEV_TOATTACH; 1661 #endif 1662 #if 1 1663 sbp_busy_timeout(sdev); 1664 #else 1665 sbp_mgm_orb(sdev, ORB_FUN_ATS, NULL); 1666 #endif 1667 } else { 1668 /* forgot logout? */ 1669 sbp_show_sdev_info(sdev, 2); 1670 printf("login failed\n"); 1671 sdev->status = SBP_DEV_RESET; 1672 } 1673 break; 1674 case ORB_FUN_RCN: 1675 login_res = &sdev->login; 1676 if (status_valid) { 1677 SBP_DEBUG(0) 1678 sbp_show_sdev_info(sdev, 2); 1679 printf("reconnect: len %d, ID %d, cmd %08x%08x\n", login_res->len, login_res->id, login_res->cmd_hi, login_res->cmd_lo); 1680 END_DEBUG 1681 #if 1 1682 if (sdev->status == SBP_DEV_ATTACHED) 1683 sbp_scan_dev(sdev); 1684 else 1685 sbp_agent_reset(sdev); 1686 #else 1687 sdev->status = SBP_DEV_ATTACHED; 1688 sbp_mgm_orb(sdev, ORB_FUN_ATS, NULL); 1689 #endif 1690 } else { 1691 /* reconnection hold time exceed? */ 1692 SBP_DEBUG(0) 1693 sbp_show_sdev_info(sdev, 2); 1694 printf("reconnect failed\n"); 1695 END_DEBUG 1696 sbp_login(sdev); 1697 } 1698 break; 1699 case ORB_FUN_LGO: 1700 sdev->status = SBP_DEV_RESET; 1701 break; 1702 case ORB_FUN_RST: 1703 sbp_busy_timeout(sdev); 1704 break; 1705 case ORB_FUN_LUR: 1706 case ORB_FUN_ATA: 1707 case ORB_FUN_ATS: 1708 sbp_agent_reset(sdev); 1709 break; 1710 default: 1711 sbp_show_sdev_info(sdev, 2); 1712 printf("unknown function %d\n", orb_fun); 1713 break; 1714 } 1715 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 1716 break; 1717 case OCB_ACT_CMD: 1718 if(ocb->ccb != NULL){ 1719 union ccb *ccb; 1720 /* 1721 u_int32_t *ld; 1722 ld = ocb->ccb->csio.data_ptr; 1723 if(ld != NULL && ocb->ccb->csio.dxfer_len != 0) 1724 printf("ptr %08x %08x %08x %08x\n", ld[0], ld[1], ld[2], ld[3]); 1725 else 1726 printf("ptr NULL\n"); 1727 printf("len %d\n", sbp_status->len); 1728 */ 1729 ccb = ocb->ccb; 1730 if(sbp_status->len > 1){ 1731 sbp_scsi_status(sbp_status, ocb); 1732 }else{ 1733 if(sbp_status->resp != ORB_RES_CMPL){ 1734 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1735 }else{ 1736 ccb->ccb_h.status = CAM_REQ_CMP; 1737 } 1738 } 1739 /* fix up inq data */ 1740 if (ccb->csio.cdb_io.cdb_bytes[0] == INQUIRY) 1741 sbp_fix_inq_data(ocb); 1742 xpt_done(ccb); 1743 } 1744 break; 1745 default: 1746 break; 1747 } 1748 } 1749 1750 sbp_free_ocb(sbp, ocb); 1751 done: 1752 if (reset_agent) 1753 sbp_agent_reset(sdev); 1754 1755 /* The received packet is usually small enough to be stored within 1756 * the buffer. In that case, the controller return ack_complete and 1757 * no respose is necessary. 1758 * 1759 * XXX fwohci.c and firewire.c should inform event_code such as 1760 * ack_complete or ack_pending to upper driver. 1761 */ 1762 #if NEED_RESPONSE 1763 xfer->send.buf = malloc(12, M_SBP, M_NOWAIT | M_ZERO); 1764 xfer->send.len = 12; 1765 xfer->send.off = 0; 1766 sfp = (struct fw_pkt *)xfer->send.buf; 1767 sfp->mode.wres.dst = rfp->mode.wreqb.src; 1768 xfer->dst = ntohs(sfp->mode.wres.dst); 1769 xfer->spd = min(sdev->target->fwdev->speed, max_speed); 1770 xfer->act.hand = sbp_loginres_callback; 1771 xfer->retry_req = fw_asybusy; 1772 1773 sfp->mode.wres.tlrt = rfp->mode.wreqb.tlrt; 1774 sfp->mode.wres.tcode = FWTCODE_WRES; 1775 sfp->mode.wres.rtcode = 0; 1776 sfp->mode.wres.pri = 0; 1777 1778 fw_asyreq(xfer->fc, -1, xfer); 1779 #else 1780 fw_xfer_free(xfer); 1781 #endif 1782 1783 return; 1784 1785 } 1786 1787 static void 1788 sbp_recv(struct fw_xfer *xfer) 1789 { 1790 int s; 1791 1792 s = splcam(); 1793 sbp_recv1(xfer); 1794 splx(s); 1795 } 1796 /* 1797 * sbp_attach() 1798 */ 1799 static int 1800 sbp_attach(device_t dev) 1801 { 1802 struct sbp_softc *sbp; 1803 struct cam_devq *devq; 1804 struct fw_xfer *xfer; 1805 int i, s, error; 1806 1807 SBP_DEBUG(0) 1808 printf("sbp_attach (cold=%d)\n", cold); 1809 END_DEBUG 1810 1811 if (cold) 1812 sbp_cold ++; 1813 sbp = ((struct sbp_softc *)device_get_softc(dev)); 1814 bzero(sbp, sizeof(struct sbp_softc)); 1815 sbp->fd.dev = dev; 1816 sbp->fd.fc = device_get_ivars(dev); 1817 error = bus_dma_tag_create(/*parent*/NULL, /*alignment*/1, 1818 /*boundary*/0, 1819 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, 1820 /*highaddr*/BUS_SPACE_MAXADDR, 1821 /*filter*/NULL, /*filterarg*/NULL, 1822 /*maxsize*/0x100000, /*nsegments*/SBP_IND_MAX, 1823 /*maxsegsz*/0x8000, 1824 /*flags*/BUS_DMA_ALLOCNOW, 1825 &sbp->dmat); 1826 if (error != 0) { 1827 printf("sbp_attach: Could not allocate DMA tag " 1828 "- error %d\n", error); 1829 return (ENOMEM); 1830 } 1831 1832 devq = cam_simq_alloc(/*maxopenings*/SBP_NUM_OCB); 1833 if (devq == NULL) 1834 return (ENXIO); 1835 1836 for( i = 0 ; i < SBP_NUM_TARGETS ; i++){ 1837 sbp->targets[i].fwdev = NULL; 1838 sbp->targets[i].luns = NULL; 1839 } 1840 1841 sbp->sim = cam_sim_alloc(sbp_action, sbp_poll, "sbp", sbp, 1842 device_get_unit(dev), 1843 /*untagged*/ 1, 1844 /*tagged*/ SBP_QUEUE_LEN, 1845 devq); 1846 1847 if (sbp->sim == NULL) { 1848 cam_simq_free(devq); 1849 return (ENXIO); 1850 } 1851 1852 sbp->ocb = (struct sbp_ocb *) contigmalloc( 1853 sizeof (struct sbp_ocb) * SBP_NUM_OCB, 1854 M_SBP, M_NOWAIT, 0x10000, 0xffffffff, PAGE_SIZE, 0ul); 1855 bzero(sbp->ocb, sizeof (struct sbp_ocb) * SBP_NUM_OCB); 1856 1857 if (sbp->ocb == NULL) { 1858 printf("sbp0: ocb alloction failure\n"); 1859 return (ENOMEM); 1860 } 1861 1862 STAILQ_INIT(&sbp->free_ocbs); 1863 for (i = 0; i < SBP_NUM_OCB; i++) { 1864 sbp_free_ocb(sbp, &sbp->ocb[i]); 1865 } 1866 1867 if (xpt_bus_register(sbp->sim, /*bus*/0) != CAM_SUCCESS) 1868 goto fail; 1869 1870 if (xpt_create_path(&sbp->path, xpt_periph, cam_sim_path(sbp->sim), 1871 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) 1872 goto fail; 1873 1874 xfer = fw_xfer_alloc(M_SBP); 1875 xfer->act.hand = sbp_recv; 1876 xfer->act_type = FWACT_XFER; 1877 #if NEED_RESPONSE 1878 xfer->fc = sbp->fd.fc; 1879 #endif 1880 xfer->sc = (caddr_t)sbp; 1881 1882 sbp->fwb.start_hi = SBP_BIND_HI; 1883 sbp->fwb.start_lo = SBP_DEV2ADDR(device_get_unit(sbp->fd.dev), 0, 0); 1884 /* We reserve 16 bit space (4 bytes X 64 targets X 256 luns) */ 1885 sbp->fwb.addrlen = 0xffff; 1886 sbp->fwb.xfer = xfer; 1887 fw_bindadd(sbp->fd.fc, &sbp->fwb); 1888 1889 sbp->fd.post_explore = sbp_post_explore; 1890 1891 if (sbp->fd.fc->status != -1) { 1892 s = splfw(); 1893 sbp_post_explore((void *)sbp); 1894 splx(s); 1895 } 1896 1897 return (0); 1898 fail: 1899 cam_sim_free(sbp->sim, /*free_devq*/TRUE); 1900 contigfree(sbp->ocb, sizeof (struct sbp_ocb) * SBP_NUM_OCB, M_SBP); 1901 return (ENXIO); 1902 } 1903 1904 static int 1905 sbp_logout_all(struct sbp_softc *sbp) 1906 { 1907 struct sbp_target *target; 1908 struct sbp_dev *sdev; 1909 int i, j; 1910 1911 SBP_DEBUG(0) 1912 printf("sbp_logout_all\n"); 1913 END_DEBUG 1914 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) { 1915 target = &sbp->targets[i]; 1916 if (target->luns == NULL) 1917 continue; 1918 for (j = 0; j < target->num_lun; j++) { 1919 sdev = &target->luns[j]; 1920 if (sdev->status >= SBP_DEV_TOATTACH && 1921 sdev->status <= SBP_DEV_ATTACHED) 1922 sbp_mgm_orb(sdev, ORB_FUN_LGO, NULL); 1923 } 1924 } 1925 return 0; 1926 } 1927 1928 static int 1929 sbp_shutdown(device_t dev) 1930 { 1931 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 1932 1933 sbp_logout_all(sbp); 1934 return (0); 1935 } 1936 1937 static int 1938 sbp_detach(device_t dev) 1939 { 1940 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 1941 struct firewire_comm *fc = sbp->fd.fc; 1942 int i; 1943 1944 SBP_DEBUG(0) 1945 printf("sbp_detach\n"); 1946 END_DEBUG 1947 #if 0 1948 /* bus reset for logout */ 1949 sbp->fd.post_explore = NULL; 1950 fc->ibr(fc); 1951 #endif 1952 1953 for (i = 0; i < SBP_NUM_TARGETS; i ++) 1954 sbp_cam_detach_target(&sbp->targets[i]); 1955 xpt_free_path(sbp->path); 1956 xpt_bus_deregister(cam_sim_path(sbp->sim)); 1957 1958 sbp_logout_all(sbp); 1959 /* XXX wait for logout completion */ 1960 tsleep(&i, FWPRI, "sbpdtc", hz/2); 1961 1962 fw_bindremove(fc, &sbp->fwb); 1963 contigfree(sbp->ocb, sizeof (struct sbp_ocb) * SBP_NUM_OCB, M_SBP); 1964 bus_dma_tag_destroy(sbp->dmat); 1965 1966 for (i = 0; i < SBP_NUM_TARGETS; i ++) 1967 if (sbp->targets[i].luns != NULL) 1968 free(sbp->targets[i].luns, M_SBP); 1969 1970 return (0); 1971 } 1972 1973 static void 1974 sbp_cam_detach_target(struct sbp_target *target) 1975 { 1976 int i; 1977 struct sbp_dev *sdev; 1978 1979 if (target->luns != NULL) { 1980 SBP_DEBUG(0) 1981 printf("sbp_detach_target %d\n", target->target_id); 1982 END_DEBUG 1983 callout_stop(&target->scan_callout); 1984 callout_stop(&target->mgm_ocb_timeout); 1985 for (i = 0; i < target->num_lun; i++) { 1986 sdev = &target->luns[i]; 1987 callout_stop(&sdev->login_callout); 1988 if (sdev->status == SBP_DEV_RESET || 1989 sdev->status == SBP_DEV_DEAD) 1990 continue; 1991 if (sdev->path) { 1992 xpt_async(AC_LOST_DEVICE, sdev->path, NULL); 1993 xpt_free_path(sdev->path); 1994 sdev->path = NULL; 1995 } 1996 sbp_abort_all_ocbs(sdev, CAM_DEV_NOT_THERE); 1997 } 1998 } 1999 } 2000 2001 static void 2002 sbp_timeout(void *arg) 2003 { 2004 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 2005 struct sbp_dev *sdev = ocb->sdev; 2006 2007 sbp_show_sdev_info(sdev, 2); 2008 printf("request timeout ... "); 2009 2010 if (ocb->flags == OCB_ACT_MGM) { 2011 printf("management ORB\n"); 2012 /* XXX just ignore for now */ 2013 sdev->target->mgm_ocb_cur = NULL; 2014 sbp_free_ocb(sdev->target->sbp, ocb); 2015 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 2016 return; 2017 } 2018 2019 xpt_freeze_devq(sdev->path, 1); 2020 sdev->freeze ++; 2021 sbp_abort_all_ocbs(sdev, CAM_CMD_TIMEOUT); 2022 if (sdev->flags & SBP_DEV_TIMEOUT) { 2023 #if 0 2024 struct firewire_comm *fc; 2025 2026 printf("bus reset\n"); 2027 fc = sdev->target->sbp->fd.fc; 2028 fc->ibr(fc); 2029 sdev->status == SBP_DEV_RETRY; 2030 #else 2031 printf("target reset\n"); 2032 sbp_mgm_orb(sdev, ORB_FUN_RST, NULL); 2033 #endif 2034 sdev->flags &= ~SBP_DEV_TIMEOUT; 2035 } else { 2036 printf("agent reset\n"); 2037 sdev->flags |= SBP_DEV_TIMEOUT; 2038 sbp_agent_reset(sdev); 2039 } 2040 return; 2041 } 2042 2043 static void 2044 sbp_action1(struct cam_sim *sim, union ccb *ccb) 2045 { 2046 2047 struct sbp_softc *sbp = (struct sbp_softc *)sim->softc; 2048 struct sbp_target *target = NULL; 2049 struct sbp_dev *sdev = NULL; 2050 2051 /* target:lun -> sdev mapping */ 2052 if (sbp != NULL 2053 && ccb->ccb_h.target_id != CAM_TARGET_WILDCARD 2054 && ccb->ccb_h.target_id < SBP_NUM_TARGETS) { 2055 target = &sbp->targets[ccb->ccb_h.target_id]; 2056 if (target->fwdev != NULL 2057 && ccb->ccb_h.target_lun != CAM_LUN_WILDCARD 2058 && ccb->ccb_h.target_lun < target->num_lun) { 2059 sdev = &target->luns[ccb->ccb_h.target_lun]; 2060 if (sdev->status != SBP_DEV_ATTACHED && 2061 sdev->status != SBP_DEV_PROBE) 2062 sdev = NULL; 2063 } 2064 } 2065 2066 SBP_DEBUG(1) 2067 if (sdev == NULL) 2068 printf("invalid target %d lun %d\n", 2069 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2070 END_DEBUG 2071 2072 switch (ccb->ccb_h.func_code) { 2073 case XPT_SCSI_IO: 2074 case XPT_RESET_DEV: 2075 case XPT_GET_TRAN_SETTINGS: 2076 case XPT_SET_TRAN_SETTINGS: 2077 case XPT_CALC_GEOMETRY: 2078 if (sdev == NULL) { 2079 SBP_DEBUG(1) 2080 printf("%s:%d:%d:func_code 0x%04x: " 2081 "Invalid target (target needed)\n", 2082 device_get_nameunit(sbp->fd.dev), 2083 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2084 ccb->ccb_h.func_code); 2085 END_DEBUG 2086 2087 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2088 xpt_done(ccb); 2089 return; 2090 } 2091 break; 2092 case XPT_PATH_INQ: 2093 case XPT_NOOP: 2094 /* The opcodes sometimes aimed at a target (sc is valid), 2095 * sometimes aimed at the SIM (sc is invalid and target is 2096 * CAM_TARGET_WILDCARD) 2097 */ 2098 if (sbp == NULL && 2099 ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) { 2100 SBP_DEBUG(0) 2101 printf("%s:%d:%d func_code 0x%04x: " 2102 "Invalid target (no wildcard)\n", 2103 device_get_nameunit(sbp->fd.dev), 2104 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2105 ccb->ccb_h.func_code); 2106 END_DEBUG 2107 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2108 xpt_done(ccb); 2109 return; 2110 } 2111 break; 2112 default: 2113 /* XXX Hm, we should check the input parameters */ 2114 break; 2115 } 2116 2117 switch (ccb->ccb_h.func_code) { 2118 case XPT_SCSI_IO: 2119 { 2120 struct ccb_scsiio *csio; 2121 struct sbp_ocb *ocb; 2122 int s, speed; 2123 void *cdb; 2124 2125 csio = &ccb->csio; 2126 2127 SBP_DEBUG(1) 2128 printf("%s:%d:%d XPT_SCSI_IO: " 2129 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 2130 ", flags: 0x%02x, " 2131 "%db cmd/%db data/%db sense\n", 2132 device_get_nameunit(sbp->fd.dev), 2133 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2134 csio->cdb_io.cdb_bytes[0], 2135 csio->cdb_io.cdb_bytes[1], 2136 csio->cdb_io.cdb_bytes[2], 2137 csio->cdb_io.cdb_bytes[3], 2138 csio->cdb_io.cdb_bytes[4], 2139 csio->cdb_io.cdb_bytes[5], 2140 csio->cdb_io.cdb_bytes[6], 2141 csio->cdb_io.cdb_bytes[7], 2142 csio->cdb_io.cdb_bytes[8], 2143 csio->cdb_io.cdb_bytes[9], 2144 ccb->ccb_h.flags & CAM_DIR_MASK, 2145 csio->cdb_len, csio->dxfer_len, 2146 csio->sense_len); 2147 END_DEBUG 2148 if(sdev == NULL){ 2149 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2150 xpt_done(ccb); 2151 return; 2152 } 2153 #if 0 2154 /* if we are in probe stage, pass only probe commands */ 2155 if (sdev->status == SBP_DEV_PROBE) { 2156 char *name; 2157 name = xpt_path_periph(ccb->ccb_h.path)->periph_name; 2158 printf("probe stage, periph name: %s\n", name); 2159 if (strcmp(name, "probe") != 0) { 2160 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2161 xpt_done(ccb); 2162 return; 2163 } 2164 } 2165 #endif 2166 if ((ocb = sbp_get_ocb(sbp)) == NULL) { 2167 s = splfw(); 2168 sbp->flags |= SBP_RESOURCE_SHORTAGE; 2169 splx(s); 2170 return; 2171 } 2172 ocb->flags = OCB_ACT_CMD; 2173 ocb->sdev = sdev; 2174 ocb->ccb = ccb; 2175 ccb->ccb_h.ccb_sdev_ptr = sdev; 2176 ocb->orb[0] = htonl(1 << 31); 2177 ocb->orb[1] = 0; 2178 ocb->orb[2] = htonl(((sbp->fd.fc->nodeid | FWLOCALBUS )<< 16) ); 2179 ocb->orb[3] = htonl(vtophys(ocb->ind_ptr)); 2180 speed = min(target->fwdev->speed, max_speed); 2181 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_CMD_SPD(speed) 2182 | ORB_CMD_MAXP(speed + 7)); 2183 if((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN){ 2184 ocb->orb[4] |= htonl(ORB_CMD_IN); 2185 } 2186 2187 if (csio->ccb_h.flags & CAM_SCATTER_VALID) 2188 printf("sbp: CAM_SCATTER_VALID\n"); 2189 if (csio->ccb_h.flags & CAM_DATA_PHYS) 2190 printf("sbp: CAM_DATA_PHYS\n"); 2191 2192 if (csio->ccb_h.flags & CAM_CDB_POINTER) 2193 cdb = (void *)csio->cdb_io.cdb_ptr; 2194 else 2195 cdb = (void *)&csio->cdb_io.cdb_bytes; 2196 bcopy(cdb, 2197 (void *)(uintptr_t)(volatile void *)&ocb->orb[5], 2198 csio->cdb_len); 2199 /* 2200 printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[0]), ntohl(ocb->orb[1]), ntohl(ocb->orb[2]), ntohl(ocb->orb[3])); 2201 printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[4]), ntohl(ocb->orb[5]), ntohl(ocb->orb[6]), ntohl(ocb->orb[7])); 2202 */ 2203 if (ccb->csio.dxfer_len > 0) { 2204 int s; 2205 2206 if (bus_dmamap_create(sbp->dmat, 0, &ocb->dmamap)) { 2207 printf("sbp_action1: cannot create dmamap\n"); 2208 break; 2209 } 2210 2211 s = splsoftvm(); 2212 bus_dmamap_load(/*dma tag*/sbp->dmat, 2213 /*dma map*/ocb->dmamap, 2214 ccb->csio.data_ptr, 2215 ccb->csio.dxfer_len, 2216 sbp_execute_ocb, 2217 ocb, 2218 /*flags*/0); 2219 splx(s); 2220 } else 2221 sbp_execute_ocb(ocb, NULL, 0, 0); 2222 break; 2223 } 2224 case XPT_CALC_GEOMETRY: 2225 { 2226 struct ccb_calc_geometry *ccg; 2227 u_int32_t size_mb; 2228 u_int32_t secs_per_cylinder; 2229 int extended = 1; 2230 ccg = &ccb->ccg; 2231 2232 if (ccg->block_size == 0) { 2233 printf("sbp_action1: block_size is 0.\n"); 2234 ccb->ccb_h.status = CAM_REQ_INVALID; 2235 xpt_done(ccb); 2236 break; 2237 } 2238 SBP_DEBUG(1) 2239 printf("%s:%d:%d:%d:XPT_CALC_GEOMETRY: " 2240 "Volume size = %d\n", 2241 device_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim), 2242 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2243 ccg->volume_size); 2244 END_DEBUG 2245 2246 size_mb = ccg->volume_size 2247 / ((1024L * 1024L) / ccg->block_size); 2248 2249 if (size_mb >= 1024 && extended) { 2250 ccg->heads = 255; 2251 ccg->secs_per_track = 63; 2252 } else { 2253 ccg->heads = 64; 2254 ccg->secs_per_track = 32; 2255 } 2256 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 2257 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 2258 ccb->ccb_h.status = CAM_REQ_CMP; 2259 xpt_done(ccb); 2260 break; 2261 } 2262 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 2263 { 2264 2265 SBP_DEBUG(1) 2266 printf("%s:%d:XPT_RESET_BUS: \n", 2267 device_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim)); 2268 END_DEBUG 2269 2270 ccb->ccb_h.status = CAM_REQ_INVALID; 2271 xpt_done(ccb); 2272 break; 2273 } 2274 case XPT_PATH_INQ: /* Path routing inquiry */ 2275 { 2276 struct ccb_pathinq *cpi = &ccb->cpi; 2277 2278 SBP_DEBUG(1) 2279 printf("%s:%d:%d XPT_PATH_INQ:.\n", 2280 device_get_nameunit(sbp->fd.dev), 2281 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2282 END_DEBUG 2283 cpi->version_num = 1; /* XXX??? */ 2284 cpi->hba_inquiry = PI_TAG_ABLE; 2285 cpi->target_sprt = 0; 2286 cpi->hba_misc = PIM_NOBUSRESET; 2287 cpi->hba_eng_cnt = 0; 2288 cpi->max_target = SBP_NUM_TARGETS - 1; 2289 cpi->max_lun = SBP_NUM_LUNS - 1; 2290 cpi->initiator_id = SBP_INITIATOR; 2291 cpi->bus_id = sim->bus_id; 2292 cpi->base_transfer_speed = 400 * 1000 / 8; 2293 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 2294 strncpy(cpi->hba_vid, "SBP", HBA_IDLEN); 2295 strncpy(cpi->dev_name, sim->sim_name, DEV_IDLEN); 2296 cpi->unit_number = sim->unit_number; 2297 2298 cpi->ccb_h.status = CAM_REQ_CMP; 2299 xpt_done(ccb); 2300 break; 2301 } 2302 case XPT_GET_TRAN_SETTINGS: 2303 { 2304 struct ccb_trans_settings *cts = &ccb->cts; 2305 SBP_DEBUG(1) 2306 printf("%s:%d:%d XPT_GET_TRAN_SETTINGS:.\n", 2307 device_get_nameunit(sbp->fd.dev), 2308 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2309 END_DEBUG 2310 /* Enable disconnect and tagged queuing */ 2311 cts->valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID; 2312 cts->flags = CCB_TRANS_DISC_ENB | CCB_TRANS_TAG_ENB; 2313 2314 cts->ccb_h.status = CAM_REQ_CMP; 2315 xpt_done(ccb); 2316 break; 2317 } 2318 case XPT_ABORT: 2319 ccb->ccb_h.status = CAM_UA_ABORT; 2320 xpt_done(ccb); 2321 break; 2322 case XPT_SET_TRAN_SETTINGS: 2323 /* XXX */ 2324 default: 2325 ccb->ccb_h.status = CAM_REQ_INVALID; 2326 xpt_done(ccb); 2327 break; 2328 } 2329 return; 2330 } 2331 2332 static void 2333 sbp_action(struct cam_sim *sim, union ccb *ccb) 2334 { 2335 int s; 2336 2337 s = splfw(); 2338 sbp_action1(sim, ccb); 2339 splx(s); 2340 } 2341 2342 static void 2343 sbp_execute_ocb(void *arg, bus_dma_segment_t *segments, int seg, int error) 2344 { 2345 int i; 2346 struct sbp_ocb *ocb; 2347 struct sbp_ocb *prev; 2348 union ccb *ccb; 2349 bus_dma_segment_t *s; 2350 2351 if (error) 2352 printf("sbp_execute_ocb: error=%d\n", error); 2353 2354 ocb = (struct sbp_ocb *)arg; 2355 if (seg == 1) { 2356 /* direct pointer */ 2357 ocb->orb[3] = htonl(segments[0].ds_addr); 2358 ocb->orb[4] |= htonl(segments[0].ds_len); 2359 } else if(seg > 1) { 2360 /* page table */ 2361 SBP_DEBUG(1) 2362 printf("sbp_execute_ocb: seg %d", seg); 2363 for (i = 0; i < seg; i++) 2364 #if __FreeBSD_version >= 500000 2365 printf(", %tx:%zd", segments[i].ds_addr, 2366 #else 2367 printf(", %x:%d", segments[i].ds_addr, 2368 #endif 2369 segments[i].ds_len); 2370 printf("\n"); 2371 END_DEBUG 2372 for (i = 0; i < seg; i++) { 2373 s = &segments[i]; 2374 SBP_DEBUG(0) 2375 /* XXX LSI Logic "< 16 byte" bug might be hit */ 2376 if (s->ds_len < 16) 2377 printf("sbp_execute_ocb: warning, " 2378 #if __FreeBSD_version >= 500000 2379 "segment length(%zd) is less than 16." 2380 #else 2381 "segment length(%d) is less than 16." 2382 #endif 2383 "(seg=%d/%d)\n", s->ds_len, i+1, seg); 2384 END_DEBUG 2385 ocb->ind_ptr[i].hi = htonl(s->ds_len << 16); 2386 ocb->ind_ptr[i].lo = htonl(s->ds_addr); 2387 } 2388 ocb->orb[4] |= htonl(ORB_CMD_PTBL | seg); 2389 } 2390 2391 ccb = ocb->ccb; 2392 prev = sbp_enqueue_ocb(ocb->sdev, ocb); 2393 if (prev == NULL) 2394 sbp_orb_pointer(ocb->sdev, ocb); 2395 } 2396 2397 static void 2398 sbp_poll(struct cam_sim *sim) 2399 { 2400 /* should call fwohci_intr? */ 2401 return; 2402 } 2403 static struct sbp_ocb * 2404 sbp_dequeue_ocb(struct sbp_dev *sdev, struct sbp_status *sbp_status) 2405 { 2406 struct sbp_ocb *ocb; 2407 struct sbp_ocb *next; 2408 int s = splfw(), order = 0; 2409 int flags; 2410 2411 for (ocb = STAILQ_FIRST(&sdev->ocbs); ocb != NULL; ocb = next) { 2412 next = STAILQ_NEXT(ocb, ocb); 2413 flags = ocb->flags; 2414 SBP_DEBUG(1) 2415 sbp_show_sdev_info(sdev, 2); 2416 #if __FreeBSD_version >= 500000 2417 printf("orb: 0x%tx next: 0x%x, flags %x\n", 2418 #else 2419 printf("orb: 0x%x next: 0x%lx, flags %x\n", 2420 #endif 2421 vtophys(&ocb->orb[0]), ntohl(ocb->orb[1]), flags); 2422 END_DEBUG 2423 if (OCB_MATCH(ocb, sbp_status)) { 2424 /* found */ 2425 STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb); 2426 if (ocb->ccb != NULL) 2427 untimeout(sbp_timeout, (caddr_t)ocb, 2428 ocb->ccb->ccb_h.timeout_ch); 2429 if (ocb->dmamap != NULL) { 2430 bus_dmamap_destroy(sdev->target->sbp->dmat, 2431 ocb->dmamap); 2432 ocb->dmamap = NULL; 2433 } 2434 if (next != NULL && sbp_status->src == 1) 2435 sbp_orb_pointer(sdev, next); 2436 break; 2437 } else 2438 order ++; 2439 } 2440 splx(s); 2441 SBP_DEBUG(0) 2442 if (ocb && order > 0) { 2443 sbp_show_sdev_info(sdev, 2); 2444 printf("unordered execution order:%d\n", order); 2445 } 2446 END_DEBUG 2447 return (ocb); 2448 } 2449 2450 static struct sbp_ocb * 2451 sbp_enqueue_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 2452 { 2453 int s = splfw(); 2454 struct sbp_ocb *prev; 2455 2456 SBP_DEBUG(2) 2457 sbp_show_sdev_info(sdev, 2); 2458 #if __FreeBSD_version >= 500000 2459 printf("sbp_enqueue_ocb orb=0x%tx in physical memory\n", vtophys(&ocb->orb[0])); 2460 #else 2461 printf("sbp_enqueue_ocb orb=0x%x in physical memory\n", vtophys(&ocb->orb[0])); 2462 #endif 2463 END_DEBUG 2464 prev = STAILQ_LAST(&sdev->ocbs, sbp_ocb, ocb); 2465 STAILQ_INSERT_TAIL(&sdev->ocbs, ocb, ocb); 2466 2467 if (ocb->ccb != NULL) 2468 ocb->ccb->ccb_h.timeout_ch = timeout(sbp_timeout, (caddr_t)ocb, 2469 (ocb->ccb->ccb_h.timeout * hz) / 1000); 2470 2471 if (prev != NULL ) { 2472 SBP_DEBUG(1) 2473 #if __FreeBSD_version >= 500000 2474 printf("linking chain 0x%tx -> 0x%tx\n", vtophys(&prev->orb[0]), 2475 #else 2476 printf("linking chain 0x%x -> 0x%x\n", vtophys(&prev->orb[0]), 2477 #endif 2478 vtophys(&ocb->orb[0])); 2479 END_DEBUG 2480 prev->orb[1] = htonl(vtophys(&ocb->orb[0])); 2481 prev->orb[0] = 0; 2482 } 2483 splx(s); 2484 2485 return prev; 2486 } 2487 2488 static struct sbp_ocb * 2489 sbp_get_ocb(struct sbp_softc *sbp) 2490 { 2491 struct sbp_ocb *ocb; 2492 int s = splfw(); 2493 ocb = STAILQ_FIRST(&sbp->free_ocbs); 2494 if (ocb == NULL) { 2495 printf("ocb shortage!!!\n"); 2496 return NULL; 2497 } 2498 STAILQ_REMOVE_HEAD(&sbp->free_ocbs, ocb); 2499 splx(s); 2500 ocb->ccb = NULL; 2501 return (ocb); 2502 } 2503 2504 static void 2505 sbp_free_ocb(struct sbp_softc *sbp, struct sbp_ocb *ocb) 2506 { 2507 #if 0 /* XXX make sure that ocb has ccb */ 2508 if ((sbp->flags & SBP_RESOURCE_SHORTAGE) != 0 && 2509 (ocb->ccb->ccb_h.status & CAM_RELEASE_SIMQ) == 0) { 2510 ocb->ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 2511 sbp->flags &= ~SBP_RESOURCE_SHORTAGE; 2512 } 2513 #else 2514 if ((sbp->flags & SBP_RESOURCE_SHORTAGE) != 0) 2515 sbp->flags &= ~SBP_RESOURCE_SHORTAGE; 2516 #endif 2517 ocb->flags = 0; 2518 ocb->ccb = NULL; 2519 STAILQ_INSERT_TAIL(&sbp->free_ocbs, ocb, ocb); 2520 } 2521 2522 static void 2523 sbp_abort_ocb(struct sbp_ocb *ocb, int status) 2524 { 2525 struct sbp_dev *sdev; 2526 2527 sdev = ocb->sdev; 2528 SBP_DEBUG(1) 2529 sbp_show_sdev_info(sdev, 2); 2530 #if __FreeBSD_version >= 500000 2531 printf("sbp_abort_ocb 0x%tx\n", 2532 #else 2533 printf("sbp_abort_ocb 0x%x\n", 2534 #endif 2535 vtophys(&ocb->orb[0])); 2536 if (ocb->ccb != NULL) 2537 sbp_print_scsi_cmd(ocb); 2538 END_DEBUG 2539 if (ocb->ccb != NULL) { 2540 untimeout(sbp_timeout, (caddr_t)ocb, 2541 ocb->ccb->ccb_h.timeout_ch); 2542 ocb->ccb->ccb_h.status = status; 2543 xpt_done(ocb->ccb); 2544 } 2545 if (ocb->dmamap != NULL) { 2546 bus_dmamap_destroy(sdev->target->sbp->dmat, ocb->dmamap); 2547 ocb->dmamap = NULL; 2548 } 2549 sbp_free_ocb(sdev->target->sbp, ocb); 2550 } 2551 2552 static void 2553 sbp_abort_all_ocbs(struct sbp_dev *sdev, int status) 2554 { 2555 int s; 2556 struct sbp_ocb *ocb, *next; 2557 STAILQ_HEAD(, sbp_ocb) temp; 2558 2559 s = splfw(); 2560 2561 bcopy(&sdev->ocbs, &temp, sizeof(temp)); 2562 STAILQ_INIT(&sdev->ocbs); 2563 for (ocb = STAILQ_FIRST(&temp); ocb != NULL; ocb = next) { 2564 next = STAILQ_NEXT(ocb, ocb); 2565 sbp_abort_ocb(ocb, status); 2566 } 2567 2568 splx(s); 2569 } 2570 2571 static devclass_t sbp_devclass; 2572 2573 static device_method_t sbp_methods[] = { 2574 /* device interface */ 2575 DEVMETHOD(device_identify, sbp_identify), 2576 DEVMETHOD(device_probe, sbp_probe), 2577 DEVMETHOD(device_attach, sbp_attach), 2578 DEVMETHOD(device_detach, sbp_detach), 2579 DEVMETHOD(device_shutdown, sbp_shutdown), 2580 2581 { 0, 0 } 2582 }; 2583 2584 static driver_t sbp_driver = { 2585 "sbp", 2586 sbp_methods, 2587 sizeof(struct sbp_softc), 2588 }; 2589 DRIVER_MODULE(sbp, firewire, sbp_driver, sbp_devclass, 0, 0); 2590 MODULE_VERSION(sbp, 1); 2591 MODULE_DEPEND(sbp, firewire, 1, 1, 1); 2592 MODULE_DEPEND(sbp, cam, 1, 1, 1); 2593