sbp.c revision 108877
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: head/sys/dev/firewire/sbp.c 108877 2003-01-07 12:58:08Z simokawa $ 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 ORB_NOTIFY (1 << 31) 84#define ORB_FMT_STD (0 << 29) 85#define ORB_FMT_VED (2 << 29) 86#define ORB_FMT_NOP (3 << 29) 87#define ORB_FMT_MSK (3 << 29) 88#define ORB_EXV (1 << 28) 89/* */ 90#define ORB_CMD_IN (1 << 27) 91/* */ 92#define ORB_CMD_SPD(x) ((x) << 24) 93#define ORB_CMD_MAXP(x) ((x) << 20) 94#define ORB_RCN_TMO(x) ((x) << 20) 95#define ORB_CMD_PTBL (1 << 19) 96#define ORB_CMD_PSZ(x) ((x) << 16) 97 98#define ORB_FUN_LGI (0 << 16) 99#define ORB_FUN_QLG (1 << 16) 100#define ORB_FUN_RCN (3 << 16) 101#define ORB_FUN_LGO (7 << 16) 102#define ORB_FUN_ATA (0xb << 16) 103#define ORB_FUN_ATS (0xc << 16) 104#define ORB_FUN_LUR (0xe << 16) 105#define ORB_FUN_RST (0xf << 16) 106#define ORB_FUN_MSK (0xf << 16) 107 108static char *orb_fun_name[] = { 109 /* 0 */ "LOGIN", 110 /* 1 */ "QUERY LOGINS", 111 /* 2 */ "Reserved", 112 /* 3 */ "RECONNECT", 113 /* 4 */ "SET PASSWORD", 114 /* 5 */ "Reserved", 115 /* 6 */ "Reserved", 116 /* 7 */ "LOGOUT", 117 /* 8 */ "Reserved", 118 /* 9 */ "Reserved", 119 /* A */ "Reserved", 120 /* B */ "ABORT TASK", 121 /* C */ "ABORT TASK SET", 122 /* D */ "Reserved", 123 /* E */ "LOGICAL UNIT RESET", 124 /* F */ "TARGET RESET" 125}; 126 127#define ORB_RES_CMPL 0 128#define ORB_RES_FAIL 1 129#define ORB_RES_ILLE 2 130#define ORB_RES_VEND 3 131 132static int debug = 0; 133static int auto_login = 1; 134static int max_speed = 2; 135 136SYSCTL_DECL(_hw_firewire); 137SYSCTL_NODE(_hw_firewire, OID_AUTO, sbp, CTLFLAG_RD, 0, "SBP-II Subsystem"); 138SYSCTL_INT(_debug, OID_AUTO, sbp_debug, CTLFLAG_RW, &debug, 0, 139 "SBP debug flag"); 140SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, auto_login, CTLFLAG_RW, &auto_login, 0, 141 "SBP perform login automatically"); 142SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, max_speed, CTLFLAG_RW, &max_speed, 0, 143 "SBP transfer max speed"); 144 145#define SBP_DEBUG(x) if (debug > x) { 146#define END_DEBUG } 147 148#define NEED_RESPONSE 0 149 150struct ind_ptr { 151 u_int32_t hi,lo; 152}; 153#define SBP_IND_MAX 0x20 154struct sbp_ocb { 155 STAILQ_ENTRY(sbp_ocb) ocb; 156 union ccb *ccb; 157 volatile u_int32_t orb[8]; 158 volatile struct ind_ptr ind_ptr[SBP_IND_MAX]; 159 struct sbp_dev *sdev; 160 int flags; 161 bus_dmamap_t dmamap; 162}; 163#define OCB_ACT_MGM 0 164#define OCB_ACT_CMD 1 165#define OCB_ACT_MASK 3 166#define OCB_RESERVED 0x10 167#define OCB_DONE 0x20 168 169#define SBP_RESOURCE_SHORTAGE 0x10 170 171struct sbp_login_res{ 172#if FW_ENDIANSWAP == 0 && BYTE_ORDER == LITTLE_ENDIAN 173 u_int16_t len; 174 u_int16_t id; 175 u_int16_t res0; 176 u_int16_t cmd_hi; 177 u_int32_t cmd_lo; 178 u_int16_t res1; 179 u_int16_t recon_hold; 180#else 181 u_int16_t id; 182 u_int16_t len; 183 u_int16_t cmd_hi; 184 u_int16_t res0; 185 u_int32_t cmd_lo; 186 u_int16_t recon_hold; 187 u_int16_t res1; 188#endif 189}; 190struct sbp_status{ 191#if FW_ENDIANSWAP == 0 && BYTE_ORDER == LITTLE_ENDIAN 192 u_int8_t len:3, 193 dead:1, 194 resp:2, 195 src:2; 196 u_int8_t status:8; 197 u_int16_t orb_hi; 198 u_int32_t orb_lo; 199 u_int32_t data[6]; 200#else 201 u_int16_t orb_hi; 202 u_int8_t status:8; 203 u_int8_t len:3, 204 dead:1, 205 resp:2, 206 src:2; 207 u_int32_t orb_lo; 208 u_int32_t data[6]; 209#endif 210}; 211struct sbp_cmd_status{ 212#define SBP_SFMT_CURR 0 213#define SBP_SFMT_DEFER 1 214#if FW_ENDIANSWAP == 0 && BYTE_ORDER == LITTLE_ENDIAN 215 u_int8_t status:6, 216 sfmt:2; 217 u_int8_t s_key:4, 218 ill_len:1, 219 eom:1, 220 mark:1, 221 valid:1; 222 u_int8_t s_code; 223 u_int8_t s_qlfr; 224 u_int32_t info; 225 u_int32_t cdb; 226 u_int32_t fru:8, 227 s_keydep:24; 228 u_int32_t vend[2]; 229#else 230 u_int8_t s_qlfr; 231 u_int8_t s_code; 232 u_int8_t s_key:4, 233 ill_len:1, 234 eom:1, 235 mark:1, 236 valid:1; 237 u_int8_t status:6, 238 sfmt:2; 239 u_int32_t info; 240 u_int32_t cdb; 241 u_int32_t s_keydep:24, 242 fru:8; 243 u_int32_t vend[2]; 244#endif 245}; 246 247struct sbp_dev{ 248#define SBP_DEV_RESET 0 /* accept login */ 249#define SBP_DEV_LOGIN 1 /* to login */ 250#define SBP_DEV_RECONN 2 /* to reconnect */ 251#define SBP_DEV_TOATTACH 3 /* to attach */ 252#define SBP_DEV_PROBE 4 /* scan lun */ 253#define SBP_DEV_ATTACHED 5 /* in operation */ 254#define SBP_DEV_DEAD 6 /* unavailable unit */ 255#define SBP_DEV_RETRY 7 /* unavailable unit */ 256 u_int8_t status; 257 u_int8_t type; 258 u_int16_t lun_id; 259 struct cam_path *path; 260 struct sbp_target *target; 261 struct sbp_login_res login; 262 STAILQ_HEAD(, sbp_ocb) ocbs; 263 char vendor[32]; 264 char product[32]; 265 char revision[10]; 266}; 267 268struct sbp_target { 269 int target_id; 270 int num_lun; 271 struct sbp_dev *luns; 272 struct sbp_softc *sbp; 273 struct fw_device *fwdev; 274 u_int32_t mgm_hi, mgm_lo; 275}; 276 277struct sbp_softc { 278 struct firewire_dev_comm fd; 279 unsigned char flags; 280 struct cam_sim *sim; 281 struct sbp_target targets[SBP_NUM_TARGETS]; 282 struct fw_bind fwb; 283 STAILQ_HEAD(, sbp_ocb) free_ocbs; 284 struct sbp_ocb *ocb; 285 bus_dma_tag_t dmat; 286}; 287static void sbp_post_explore __P((void *)); 288static void sbp_recv __P((struct fw_xfer *)); 289static void sbp_login_callback __P((struct fw_xfer *)); 290static void sbp_cmd_callback __P((struct fw_xfer *)); 291static void sbp_orb_pointer __P((struct sbp_dev *, struct sbp_ocb *)); 292static void sbp_execute_ocb __P((void *, bus_dma_segment_t *, int, int)); 293static void sbp_free_ocb __P((struct sbp_softc *, struct sbp_ocb *)); 294static void sbp_abort_ocb __P((struct sbp_ocb *, int)); 295static void sbp_abort_all_ocbs __P((struct sbp_dev *, int)); 296static struct fw_xfer * sbp_write_cmd __P((struct sbp_dev *, int, int)); 297static struct sbp_ocb * sbp_get_ocb __P((struct sbp_softc *)); 298static struct sbp_ocb * sbp_enqueue_ocb __P((struct sbp_dev *, struct sbp_ocb *)); 299static struct sbp_ocb * sbp_dequeue_ocb __P((struct sbp_dev *, u_int32_t)); 300static void sbp_detach_target __P((struct sbp_target *)); 301static void sbp_timeout __P((void *arg)); 302static void sbp_mgm_orb __P((struct sbp_dev *, int)); 303 304MALLOC_DEFINE(M_SBP, "sbp", "SBP-II/FireWire"); 305 306/* cam related functions */ 307static void sbp_action(struct cam_sim *sim, union ccb *ccb); 308static void sbp_poll(struct cam_sim *sim); 309static void sbp_cam_callback(struct cam_periph *periph, 310 union ccb *ccb); 311static void sbp_cam_scan_lun(struct sbp_dev *sdev); 312 313static char *orb_status0[] = { 314 /* 0 */ "No additional information to report", 315 /* 1 */ "Request type not supported", 316 /* 2 */ "Speed not supported", 317 /* 3 */ "Page size not supported", 318 /* 4 */ "Access denied", 319 /* 5 */ "Logical unit not supported", 320 /* 6 */ "Maximum payload too small", 321 /* 7 */ "Reserved for future standardization", 322 /* 8 */ "Resources unavailable", 323 /* 9 */ "Function rejected", 324 /* A */ "Login ID not recognized", 325 /* B */ "Dummy ORB completed", 326 /* C */ "Request aborted", 327 /* FF */ "Unspecified error" 328#define MAX_ORB_STATUS0 0xd 329}; 330 331static char *orb_status1_object[] = { 332 /* 0 */ "Operation request block (ORB)", 333 /* 1 */ "Data buffer", 334 /* 2 */ "Page table", 335 /* 3 */ "Unable to specify" 336}; 337 338static char *orb_status1_serial_bus_error[] = { 339 /* 0 */ "Missing acknowledge", 340 /* 1 */ "Reserved; not to be used", 341 /* 2 */ "Time-out error", 342 /* 3 */ "Reserved; not to be used", 343 /* 4 */ "Busy retry limit exceeded(X)", 344 /* 5 */ "Busy retry limit exceeded(A)", 345 /* 6 */ "Busy retry limit exceeded(B)", 346 /* 7 */ "Reserved for future standardization", 347 /* 8 */ "Reserved for future standardization", 348 /* 9 */ "Reserved for future standardization", 349 /* A */ "Reserved for future standardization", 350 /* B */ "Tardy retry limit exceeded", 351 /* C */ "Conflict error", 352 /* D */ "Data error", 353 /* E */ "Type error", 354 /* F */ "Address error" 355}; 356 357static void 358sbp_identify(driver_t *driver, device_t parent) 359{ 360 device_t child; 361SBP_DEBUG(0) 362 printf("sbp_identify\n"); 363END_DEBUG 364 365 child = BUS_ADD_CHILD(parent, 0, "sbp", device_get_unit(parent)); 366} 367 368/* 369 * sbp_probe() 370 */ 371static int 372sbp_probe(device_t dev) 373{ 374 device_t pa; 375 376SBP_DEBUG(0) 377 printf("sbp_probe\n"); 378END_DEBUG 379 380 pa = device_get_parent(dev); 381 if(device_get_unit(dev) != device_get_unit(pa)){ 382 return(ENXIO); 383 } 384 385 device_set_desc(dev, "SBP2/SCSI over firewire"); 386 return (0); 387} 388 389static void 390sbp_show_sdev_info(struct sbp_dev *sdev, int new) 391{ 392 struct fw_device *fwdev; 393 394 printf("%s:%d:%d ", 395 device_get_nameunit(sdev->target->sbp->fd.dev), 396 sdev->target->target_id, 397 sdev->lun_id 398 ); 399 if (new == 2) { 400 return; 401 } 402 fwdev = sdev->target->fwdev; 403 printf("ordered:%d type:%d EUI:%08x%08x node:%d " 404 "speed:%d maxrec:%d", 405 (sdev->type & 0x40) >> 6, 406 (sdev->type & 0x1f), 407 fwdev->eui.hi, 408 fwdev->eui.lo, 409 fwdev->dst, 410 fwdev->speed, 411 fwdev->maxrec 412 ); 413 if (new) 414 printf(" new!\n"); 415 else 416 printf("\n"); 417 sbp_show_sdev_info(sdev, 2); 418 printf("'%s' '%s' '%s'\n", sdev->vendor, sdev->product, sdev->revision); 419} 420 421static struct sbp_target * 422sbp_alloc_target(struct sbp_softc *sbp, struct fw_device *fwdev) 423{ 424 int i, maxlun, lun; 425 struct sbp_target *target; 426 struct sbp_dev *sdev; 427 struct crom_context cc; 428 struct csrreg *reg; 429 430SBP_DEBUG(1) 431 printf("sbp_alloc_target\n"); 432END_DEBUG 433 for (i = 0; i < SBP_NUM_TARGETS; i++) 434 if(sbp->targets[i].fwdev == NULL) break; 435 if (i == SBP_NUM_TARGETS) { 436 printf("increase SBP_NUM_TARGETS!\n"); 437 return NULL; 438 } 439 /* new target */ 440 target = &sbp->targets[i]; 441 target->sbp = sbp; 442 target->fwdev = fwdev; 443 target->target_id = i; 444 if((target->mgm_lo = getcsrdata(fwdev, 0x54)) == 0 ){ 445 /* bad target */ 446 printf("NULL management address\n"); 447 target->fwdev = NULL; 448 return NULL; 449 } 450 target->mgm_hi = 0xffff; 451 target->mgm_lo = 0xf0000000 | target->mgm_lo << 2; 452 /* XXX num_lun may be changed. realloc luns? */ 453 crom_init_context(&cc, target->fwdev->csrrom); 454 /* XXX shoud parse appropriate unit directories only */ 455 maxlun = -1; 456 while (cc.depth >= 0) { 457 reg = crom_search_key(&cc, CROM_LUN); 458 if (reg == NULL) 459 break; 460 lun = reg->val & 0xff; 461SBP_DEBUG(0) 462 printf("target %d lun %d found\n", target->target_id, lun); 463END_DEBUG 464 if (maxlun < lun) 465 maxlun = lun; 466 crom_next(&cc); 467 } 468 target->num_lun = maxlun + 1; 469 if (maxlun < 0) { 470 printf("no lun found!\n"); 471 } 472 target->luns = (struct sbp_dev *) malloc( 473 sizeof(struct sbp_dev) * target->num_lun, 474 M_SBP, M_NOWAIT | M_ZERO); 475 for (i = 0; i < target->num_lun; i++) { 476 sdev = &target->luns[i]; 477 sdev->lun_id = i; 478 sdev->target = target; 479 STAILQ_INIT(&sdev->ocbs); 480 sdev->status = SBP_DEV_DEAD; 481 } 482 crom_init_context(&cc, target->fwdev->csrrom); 483 while (cc.depth >= 0) { 484 reg = crom_search_key(&cc, CROM_LUN); 485 if (reg == NULL) 486 break; 487 lun = reg->val & 0xff; 488 target->luns[lun].status = SBP_DEV_RESET; 489 target->luns[lun].type = (reg->val & 0x0f00) >> 16; 490 crom_next(&cc); 491 } 492 return target; 493} 494 495static void 496sbp_get_text_leaf(struct fw_device *fwdev, int key, char *buf, int len) 497{ 498 static char *nullstr = "(null)"; 499 int i, clen, found=0; 500 struct csrhdr *chdr; 501 struct csrreg *creg; 502 u_int32_t *src, *dst; 503 504 chdr = (struct csrhdr *)&fwdev->csrrom[0]; 505 creg = (struct csrreg *)chdr; 506 creg += chdr->info_len; 507 for( i = chdr->info_len + 4; i <= fwdev->rommax; i+=4){ 508 if((creg++)->key == key){ 509 found = 1; 510 break; 511 } 512 } 513 if (!found) { 514 strncpy(buf, nullstr, len); 515 return; 516 } 517 src = (u_int32_t *) creg + creg->val; 518 clen = ((*src >> 16) - 2) * 4; 519 src += 3; 520 dst = (u_int32_t *) buf; 521 if (len < clen) 522 clen = len; 523 for (i = 0; i < clen/4; i++) 524 *dst++ = htonl(*src++); 525 buf[clen] = 0; 526} 527 528static void 529sbp_probe_lun(struct sbp_dev *sdev) 530{ 531 struct fw_device *fwdev; 532 int rev; 533 534 fwdev = sdev->target->fwdev; 535 bzero(sdev->vendor, sizeof(sdev->vendor)); 536 bzero(sdev->product, sizeof(sdev->product)); 537 sbp_get_text_leaf(fwdev, 0x03, sdev->vendor, sizeof(sdev->vendor)); 538 sbp_get_text_leaf(fwdev, 0x17, sdev->product, sizeof(sdev->product)); 539 rev = getcsrdata(sdev->target->fwdev, 0x3c); 540 snprintf(sdev->revision, sizeof(sdev->revision), "%06x", rev); 541} 542static void 543sbp_probe_target(struct sbp_target *target, int alive) 544{ 545 struct sbp_softc *sbp; 546 struct sbp_dev *sdev; 547 struct firewire_comm *fc; 548 int i; 549 550SBP_DEBUG(1) 551 printf("sbp_probe_target %d\n", target->target_id); 552 if (!alive) 553 printf("not alive\n"); 554END_DEBUG 555 556 sbp = target->sbp; 557 fc = target->sbp->fd.fc; 558 for (i=0; i < target->num_lun; i++) { 559 sdev = &target->luns[i]; 560 if (alive && (sdev->status != SBP_DEV_DEAD)) { 561 if (sdev->path != NULL) { 562 xpt_freeze_devq(sdev->path, 1); 563 } 564 sbp_abort_all_ocbs(sdev, CAM_REQUEUE_REQ); 565 switch (sdev->status) { 566 case SBP_DEV_ATTACHED: 567 sbp_mgm_orb(sdev, ORB_FUN_RCN); 568 break; 569 case SBP_DEV_RETRY: 570 sbp_probe_lun(sdev); 571 sbp_mgm_orb(sdev, ORB_FUN_LGI); 572 break; 573 default: 574 /* new or revived target */ 575 sbp_probe_lun(sdev); 576 if (auto_login) { 577 sdev->status = SBP_DEV_TOATTACH; 578 sbp_mgm_orb(sdev, ORB_FUN_LGI); 579 } 580 break; 581 } 582SBP_DEBUG(0) 583 sbp_show_sdev_info(sdev, 584 (sdev->status == SBP_DEV_TOATTACH)); 585END_DEBUG 586 } else { 587 switch (sdev->status) { 588 case SBP_DEV_ATTACHED: 589SBP_DEBUG(0) 590 /* the device has gone */ 591 sbp_show_sdev_info(sdev, 2); 592 printf("lost target\n"); 593END_DEBUG 594 if (sdev->path) 595 xpt_freeze_devq(sdev->path, 1); 596 sdev->status = SBP_DEV_RETRY; 597 sbp_abort_all_ocbs(sdev, CAM_REQUEUE_REQ); 598 break; 599 case SBP_DEV_PROBE: 600 case SBP_DEV_TOATTACH: 601 sdev->status = SBP_DEV_RESET; 602 break; 603 case SBP_DEV_RETRY: 604 case SBP_DEV_RESET: 605 case SBP_DEV_DEAD: 606 break; 607 } 608 } 609 } 610} 611 612#if 0 613static void 614sbp_release_queue(void *arg) 615{ 616 struct sbp_softc *sbp; 617 618SBP_DEBUG(0) 619 printf("sbp_release_queue\n"); 620END_DEBUG 621 sbp = (struct sbp_softc *)arg; 622 xpt_release_simq(sbp->sim, 1); 623} 624 625static void 626sbp_release_devq(void *arg) 627{ 628 struct sbp_dev *sdev; 629 int s; 630 631 sdev = (struct sbp_dev *)arg; 632SBP_DEBUG(0) 633 sbp_show_sdev_info(sdev, 2); 634 printf("sbp_release_devq\n"); 635END_DEBUG 636 s = splcam(); 637 xpt_release_devq(sdev->path, 1, TRUE); 638 splx(s); 639} 640#endif 641 642static void 643sbp_post_explore(void *arg) 644{ 645 struct sbp_softc *sbp = (struct sbp_softc *)arg; 646 struct sbp_target *target; 647 struct fw_device *fwdev; 648 int i, alive; 649 650SBP_DEBUG(1) 651 printf("sbp_post_explore\n"); 652END_DEBUG 653#if 0 654 xpt_freeze_simq(sbp->sim, /*count*/ 1); 655#endif 656 /* Gabage Collection */ 657 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){ 658 target = &sbp->targets[i]; 659 for( fwdev = TAILQ_FIRST(&sbp->fd.fc->devices); 660 fwdev != NULL; fwdev = TAILQ_NEXT(fwdev, link)){ 661 if(target->fwdev == NULL) break; 662 if(target->fwdev == fwdev) break; 663 } 664 if(fwdev == NULL){ 665 /* device has removed in lower driver */ 666 sbp_detach_target(target); 667 } 668 } 669 /* traverse device list */ 670 for( fwdev = TAILQ_FIRST(&sbp->fd.fc->devices); 671 fwdev != NULL; fwdev = TAILQ_NEXT(fwdev, link)){ 672SBP_DEBUG(0) 673 printf("sbp_post_explore: EUI:%08x%08x ", 674 fwdev->eui.hi, fwdev->eui.lo); 675 if (fwdev->status == FWDEVATTACHED) { 676 printf("spec=%d key=%d.\n", 677 getcsrdata(fwdev, CSRKEY_SPEC) == CSRVAL_ANSIT10, 678 getcsrdata(fwdev, CSRKEY_VER) == CSRVAL_T10SBP2); 679 } else { 680 printf("not attached, state=%d.\n", fwdev->status); 681 } 682END_DEBUG 683 alive = (fwdev->status == FWDEVATTACHED) 684 && (getcsrdata(fwdev, CSRKEY_SPEC) == CSRVAL_ANSIT10) 685 && (getcsrdata(fwdev, CSRKEY_VER) == CSRVAL_T10SBP2); 686 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){ 687 target = &sbp->targets[i]; 688 if(target->fwdev == fwdev ) { 689 /* known target */ 690 break; 691 } 692 } 693 if(i == SBP_NUM_TARGETS){ 694 if (alive) { 695 /* new target */ 696 target = sbp_alloc_target(sbp, fwdev); 697 if (target == NULL) 698 continue; 699 } else { 700 continue; 701 } 702 } 703 sbp_probe_target(target, alive); 704 } 705#if 0 706 timeout(sbp_release_queue, (caddr_t)sbp, bus_reset_rest * hz / 1000); 707#endif 708} 709 710#if NEED_RESPONSE 711static void 712sbp_loginres_callback(struct fw_xfer *xfer){ 713SBP_DEBUG(1) 714 struct sbp_dev *sdev; 715 sdev = (struct sbp_dev *)xfer->sc; 716 sbp_show_sdev_info(sdev, 2); 717 printf("sbp_loginres_callback\n"); 718END_DEBUG 719 fw_xfer_free(xfer); 720 return; 721} 722#endif 723 724static void 725sbp_login_callback(struct fw_xfer *xfer) 726{ 727SBP_DEBUG(1) 728 struct sbp_dev *sdev; 729 sdev = (struct sbp_dev *)xfer->sc; 730 sbp_show_sdev_info(sdev, 2); 731 printf("sbp_login_callback\n"); 732END_DEBUG 733 fw_xfer_free(xfer); 734 return; 735} 736 737static void 738sbp_cmd_callback(struct fw_xfer *xfer) 739{ 740SBP_DEBUG(2) 741 struct sbp_dev *sdev; 742 sdev = (struct sbp_dev *)xfer->sc; 743 sbp_show_sdev_info(sdev, 2); 744 printf("sbp_cmd_callback\n"); 745END_DEBUG 746 fw_xfer_free(xfer); 747 return; 748} 749 750static void 751sbp_cam_callback(struct cam_periph *periph, union ccb *ccb) 752{ 753 struct sbp_dev *sdev; 754 sdev = (struct sbp_dev *) ccb->ccb_h.ccb_sdev_ptr; 755SBP_DEBUG(1) 756 sbp_show_sdev_info(sdev, 2); 757 printf("sbp_cam_callback\n"); 758END_DEBUG 759 sdev->status = SBP_DEV_ATTACHED; 760 free(ccb, M_SBP); 761} 762 763static void 764sbp_cam_scan_lun(struct sbp_dev *sdev) 765{ 766 union ccb *ccb = malloc(sizeof(union ccb), M_SBP, M_WAITOK | M_ZERO); 767 768SBP_DEBUG(0) 769 sbp_show_sdev_info(sdev, 2); 770 printf("sbp_cam_scan_lun\n"); 771END_DEBUG 772 xpt_setup_ccb(&ccb->ccb_h, sdev->path, 5/*priority (low)*/); 773 ccb->ccb_h.func_code = XPT_SCAN_LUN; 774 ccb->ccb_h.cbfcnp = sbp_cam_callback; 775 ccb->crcn.flags = CAM_FLAG_NONE; 776 ccb->ccb_h.ccb_sdev_ptr = sdev; 777 xpt_action(ccb); 778 779 /* The scan is in progress now. */ 780} 781 782 783static void 784sbp_ping_unit_callback(struct cam_periph *periph, union ccb *ccb) 785{ 786 struct sbp_dev *sdev; 787 sdev = (struct sbp_dev *) ccb->ccb_h.ccb_sdev_ptr; 788SBP_DEBUG(1) 789 sbp_show_sdev_info(sdev, 2); 790 printf("sbp_ping_unit_callback\n"); 791END_DEBUG 792 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 793 if (--ccb->ccb_h.retry_count == 0) { 794 sbp_show_sdev_info(sdev, 2); 795 printf("sbp_tur_callback: retry count exceeded\n"); 796 sdev->status = SBP_DEV_RETRY; 797 free(ccb, M_SBP); 798 } else { 799 /* requeue */ 800 xpt_action(ccb); 801 xpt_release_devq(sdev->path, 1, TRUE); 802 } 803 } else { 804 free(ccb->csio.data_ptr, M_SBP); 805 free(ccb, M_SBP); 806 sdev->status = SBP_DEV_ATTACHED; 807 xpt_release_devq(sdev->path, 1, TRUE); 808 } 809} 810 811/* 812 * XXX Some devices need to execute inquiry or read_capacity 813 * after bus_rest during busy transfer. 814 * Otherwise they return incorrect result for READ(and WRITE?) 815 * command without any SBP-II/SCSI error. 816 * 817 * e.g. Maxtor 3000XT, Yano A-dish. 818 */ 819static void 820sbp_ping_unit(struct sbp_dev *sdev) 821{ 822 union ccb *ccb; 823 struct scsi_inquiry_data *inq_buf; 824 825 ccb = malloc(sizeof(union ccb), M_SBP, M_WAITOK | M_ZERO); 826 inq_buf = (struct scsi_inquiry_data *) 827 malloc(sizeof(*inq_buf), M_SBP, M_WAITOK); 828 829SBP_DEBUG(1) 830 sbp_show_sdev_info(sdev, 2); 831 printf("sbp_ping_unit\n"); 832END_DEBUG 833 834 /* 835 * We need to execute this command before any other queued command. 836 * Make priority 0 and freeze queue after execution for retry. 837 * cam's scan_lun command doesn't provide this feature. 838 */ 839 xpt_setup_ccb(&ccb->ccb_h, sdev->path, 0/*priority (high)*/); 840 scsi_inquiry( 841 &ccb->csio, 842 /*retries*/ 5, 843 sbp_ping_unit_callback, 844 MSG_SIMPLE_Q_TAG, 845 (u_int8_t *)inq_buf, 846 SHORT_INQUIRY_LENGTH, 847 /*evpd*/FALSE, 848 /*page_code*/0, 849 SSD_MIN_SIZE, 850 /*timeout*/60000 851 ); 852 ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 853 xpt_action(ccb); 854} 855 856static void 857sbp_do_attach(struct fw_xfer *xfer) 858{ 859 struct sbp_dev *sdev; 860 861 sdev = (struct sbp_dev *)xfer->sc; 862SBP_DEBUG(0) 863 sbp_show_sdev_info(sdev, 2); 864 printf("sbp_do_attach\n"); 865END_DEBUG 866 fw_xfer_free(xfer); 867 if (sdev->path == NULL) 868 xpt_create_path(&sdev->path, xpt_periph, 869 cam_sim_path(sdev->target->sbp->sim), 870 sdev->target->target_id, sdev->lun_id); 871 872 if (sdev->status == SBP_DEV_RETRY) { 873 sdev->status = SBP_DEV_PROBE; 874 sbp_ping_unit(sdev); 875 /* freezed twice */ 876 xpt_release_devq(sdev->path, 1, TRUE); 877 } else { 878 sdev->status = SBP_DEV_PROBE; 879 sbp_cam_scan_lun(sdev); 880 } 881 xpt_release_devq(sdev->path, 1, TRUE); 882 return; 883} 884 885static void 886sbp_agent_reset_callback(struct fw_xfer *xfer) 887{ 888 struct sbp_dev *sdev; 889 890 sdev = (struct sbp_dev *)xfer->sc; 891SBP_DEBUG(1) 892 sbp_show_sdev_info(sdev, 2); 893 printf("sbp_cmd_callback\n"); 894END_DEBUG 895 fw_xfer_free(xfer); 896 sbp_abort_all_ocbs(sdev, CAM_REQUEUE_REQ); 897 if (sdev->path) 898 xpt_release_devq(sdev->path, 1, TRUE); 899} 900 901static void 902sbp_agent_reset(struct sbp_dev *sdev, int attach) 903{ 904 struct fw_xfer *xfer; 905 struct fw_pkt *fp; 906 907SBP_DEBUG(0) 908 sbp_show_sdev_info(sdev, 2); 909 printf("sbp_agent_reset\n"); 910END_DEBUG 911 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x04); 912 if (xfer == NULL) 913 return; 914 if (attach) 915 xfer->act.hand = sbp_do_attach; 916 else 917 xfer->act.hand = sbp_agent_reset_callback; 918 fp = (struct fw_pkt *)xfer->send.buf; 919 fp->mode.wreqq.data = htonl(0xf); 920 fw_asyreq(xfer->fc, -1, xfer); 921} 922 923static void 924sbp_busy_timeout_callback(struct fw_xfer *xfer) 925{ 926 struct sbp_dev *sdev; 927 928 sdev = (struct sbp_dev *)xfer->sc; 929SBP_DEBUG(1) 930 sbp_show_sdev_info(sdev, 2); 931 printf("sbp_but_timeout_callback\n"); 932END_DEBUG 933 fw_xfer_free(xfer); 934 sbp_agent_reset(sdev, 1); 935} 936 937static void 938sbp_busy_timeout(struct sbp_dev *sdev) 939{ 940 struct fw_pkt *fp; 941 struct fw_xfer *xfer; 942SBP_DEBUG(0) 943 sbp_show_sdev_info(sdev, 2); 944 printf("sbp_busy_timeout\n"); 945END_DEBUG 946 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 947 948 xfer->act.hand = sbp_busy_timeout_callback; 949 fp = (struct fw_pkt *)xfer->send.buf; 950 fp->mode.wreqq.dest_hi = htons(0xffff); 951 fp->mode.wreqq.dest_lo = htonl(0xf0000000 | BUS_TIME); 952 fp->mode.wreqq.data = htonl(0xf); 953 fw_asyreq(xfer->fc, -1, xfer); 954} 955 956#if 0 957static void 958sbp_reset_start(struct sbp_dev *sdev) 959{ 960 struct fw_xfer *xfer; 961 struct fw_pkt *fp; 962 963SBP_DEBUG(0) 964 sbp_show_sdev_info(sdev, 2); 965 printf("sbp_reset_start\n"); 966END_DEBUG 967 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 968 969 xfer->act.hand = sbp_busy_timeout; 970 fp = (struct fw_pkt *)xfer->send.buf; 971 fp->mode.wreqq.dest_hi = htons(0xffff); 972 fp->mode.wreqq.dest_lo = htonl(0xf0000000 | RESET_START); 973 fp->mode.wreqq.data = htonl(0xf); 974 fw_asyreq(xfer->fc, -1, xfer); 975} 976#endif 977 978static void 979sbp_orb_pointer(struct sbp_dev *sdev, struct sbp_ocb *ocb) 980{ 981 struct fw_xfer *xfer; 982 struct fw_pkt *fp; 983SBP_DEBUG(2) 984 sbp_show_sdev_info(sdev, 2); 985 printf("sbp_orb_pointer\n"); 986END_DEBUG 987 988 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0x08); 989 if (xfer == NULL) 990 return; 991 xfer->act.hand = sbp_cmd_callback; 992 993 fp = (struct fw_pkt *)xfer->send.buf; 994 fp->mode.wreqb.len = htons(8); 995 fp->mode.wreqb.extcode = 0; 996 fp->mode.wreqb.payload[0] = 997 htonl(((sdev->target->sbp->fd.fc->nodeid | FWLOCALBUS )<< 16)); 998 fp->mode.wreqb.payload[1] = htonl(vtophys(&ocb->orb[0])); 999 1000 if(fw_asyreq(xfer->fc, -1, xfer) != 0){ 1001 fw_xfer_free(xfer); 1002 ocb->ccb->ccb_h.status = CAM_REQ_INVALID; 1003 xpt_done(ocb->ccb); 1004 } 1005} 1006 1007static void 1008sbp_doorbell(struct sbp_dev *sdev) 1009{ 1010 struct fw_xfer *xfer; 1011 struct fw_pkt *fp; 1012SBP_DEBUG(1) 1013 sbp_show_sdev_info(sdev, 2); 1014 printf("sbp_doorbell\n"); 1015END_DEBUG 1016 1017 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x10); 1018 if (xfer == NULL) 1019 return; 1020 xfer->act.hand = sbp_cmd_callback; 1021 fp = (struct fw_pkt *)xfer->send.buf; 1022 fp->mode.wreqq.data = htonl(0xf); 1023 fw_asyreq(xfer->fc, -1, xfer); 1024} 1025 1026static struct fw_xfer * 1027sbp_write_cmd(struct sbp_dev *sdev, int tcode, int offset) 1028{ 1029 struct fw_xfer *xfer; 1030 struct fw_pkt *fp; 1031 1032 xfer = fw_xfer_alloc(); 1033 if(xfer == NULL){ 1034 return NULL; 1035 } 1036 if (tcode == FWTCODE_WREQQ) 1037 xfer->send.len = 16; 1038 else 1039 xfer->send.len = 24; 1040 1041 xfer->send.buf = malloc(xfer->send.len, M_DEVBUF, M_NOWAIT); 1042 if(xfer->send.buf == NULL){ 1043 fw_xfer_free( xfer); 1044 return NULL; 1045 } 1046 1047 xfer->send.off = 0; 1048 xfer->spd = min(sdev->target->fwdev->speed, max_speed); 1049 xfer->sc = (caddr_t)sdev; 1050 xfer->fc = sdev->target->sbp->fd.fc; 1051 xfer->retry_req = fw_asybusy; 1052 1053 fp = (struct fw_pkt *)xfer->send.buf; 1054 fp->mode.wreqq.dest_hi = htons(sdev->login.cmd_hi); 1055 fp->mode.wreqq.dest_lo = htonl(sdev->login.cmd_lo + offset); 1056 fp->mode.wreqq.tlrt = 0; 1057 fp->mode.wreqq.tcode = tcode; 1058 fp->mode.wreqq.pri = 0; 1059 xfer->dst = FWLOCALBUS | sdev->target->fwdev->dst; 1060 fp->mode.wreqq.dst = htons(xfer->dst); 1061 1062 return xfer; 1063 1064} 1065 1066static void 1067sbp_mgm_orb(struct sbp_dev *sdev, int func) 1068{ 1069 struct fw_xfer *xfer; 1070 struct fw_pkt *fp; 1071 struct sbp_ocb *ocb; 1072 int s, nid; 1073 1074 if ((ocb = sbp_get_ocb(sdev->target->sbp)) == NULL) { 1075 s = splfw(); 1076 sdev->target->sbp->flags |= SBP_RESOURCE_SHORTAGE; 1077 splx(s); 1078 return; 1079 } 1080 ocb->flags = OCB_ACT_MGM; 1081 ocb->sdev = sdev; 1082 ocb->ccb = NULL; 1083 1084 nid = sdev->target->sbp->fd.fc->nodeid | FWLOCALBUS; 1085 bzero((void *)(uintptr_t)(volatile void *)ocb->orb, sizeof(ocb->orb)); 1086 ocb->orb[6] = htonl((nid << 16) | SBP_BIND_HI); 1087 ocb->orb[7] = htonl(SBP_DEV2ADDR( 1088 device_get_unit(sdev->target->sbp->fd.dev), 1089 sdev->target->target_id, 1090 sdev->lun_id)); 1091 1092SBP_DEBUG(0) 1093 sbp_show_sdev_info(sdev, 2); 1094 printf("%s\n", orb_fun_name[(func>>16)&0xf]); 1095END_DEBUG 1096 switch (func) { 1097 case ORB_FUN_LGI: 1098 ocb->orb[2] = htonl(nid << 16); 1099 ocb->orb[3] = htonl(vtophys(&sdev->login)); 1100 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_EXV | sdev->lun_id); 1101 ocb->orb[5] = htonl(sizeof(struct sbp_login_res)); 1102 break; 1103 case ORB_FUN_RCN: 1104 case ORB_FUN_LGO: 1105 case ORB_FUN_LUR: 1106 case ORB_FUN_RST: 1107 case ORB_FUN_ATA: 1108 case ORB_FUN_ATS: 1109 ocb->orb[4] = htonl(ORB_NOTIFY | func | sdev->login.id); 1110 break; 1111 } 1112 1113 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0); 1114 if(xfer == NULL){ 1115 return; 1116 } 1117 xfer->act.hand = sbp_login_callback; 1118 1119 fp = (struct fw_pkt *)xfer->send.buf; 1120 fp->mode.wreqb.dest_hi = htons(sdev->target->mgm_hi); 1121 fp->mode.wreqb.dest_lo = htonl(sdev->target->mgm_lo); 1122 fp->mode.wreqb.len = htons(8); 1123 fp->mode.wreqb.extcode = 0; 1124 fp->mode.wreqb.payload[0] = htonl(nid << 16); 1125 fp->mode.wreqb.payload[1] = htonl(vtophys(&ocb->orb[0])); 1126 sbp_enqueue_ocb(sdev, ocb); 1127 1128 fw_asyreq(xfer->fc, -1, xfer); 1129} 1130 1131static void 1132sbp_print_scsi_cmd(struct sbp_ocb *ocb) 1133{ 1134 struct ccb_scsiio *csio; 1135 1136 csio = &ocb->ccb->csio; 1137 printf("%s:%d:%d XPT_SCSI_IO: " 1138 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 1139 ", flags: 0x%02x, " 1140 "%db cmd/%db data/%db sense\n", 1141 device_get_nameunit(ocb->sdev->target->sbp->fd.dev), 1142 ocb->ccb->ccb_h.target_id, ocb->ccb->ccb_h.target_lun, 1143 csio->cdb_io.cdb_bytes[0], 1144 csio->cdb_io.cdb_bytes[1], 1145 csio->cdb_io.cdb_bytes[2], 1146 csio->cdb_io.cdb_bytes[3], 1147 csio->cdb_io.cdb_bytes[4], 1148 csio->cdb_io.cdb_bytes[5], 1149 csio->cdb_io.cdb_bytes[6], 1150 csio->cdb_io.cdb_bytes[7], 1151 csio->cdb_io.cdb_bytes[8], 1152 csio->cdb_io.cdb_bytes[9], 1153 ocb->ccb->ccb_h.flags & CAM_DIR_MASK, 1154 csio->cdb_len, csio->dxfer_len, 1155 csio->sense_len); 1156} 1157 1158static void 1159sbp_scsi_status(struct sbp_status *sbp_status, struct sbp_ocb *ocb) 1160{ 1161 struct sbp_cmd_status *sbp_cmd_status; 1162 struct scsi_sense_data *sense; 1163 1164 sbp_cmd_status = (struct sbp_cmd_status *)sbp_status->data; 1165 sense = &ocb->ccb->csio.sense_data; 1166 1167SBP_DEBUG(0) 1168 sbp_print_scsi_cmd(ocb); 1169 /* XXX need decode status */ 1170 sbp_show_sdev_info(ocb->sdev, 2); 1171 printf("SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d", 1172 sbp_cmd_status->status, 1173 sbp_cmd_status->sfmt, 1174 sbp_cmd_status->valid, 1175 sbp_cmd_status->s_key, 1176 sbp_cmd_status->s_code, 1177 sbp_cmd_status->s_qlfr, 1178 sbp_status->len 1179 ); 1180#if 0 /* XXX */ 1181 if (sbp_cmd_status->status == SCSI_STATUS_CHECK_COND) { 1182 printf(" %s\n", scsi_sense_key_text[sbp_cmd_status->s_key]); 1183 scsi_sense_desc( 1184 sbp_cmd_status->s_code, 1185 sbp_cmd_status->s_qlfr, 1186 ocb->ccb->ccb_h.path->device->inq_data 1187 ) 1188 } else { 1189 printf("\n"); 1190 } 1191#else 1192 printf("\n"); 1193#endif 1194END_DEBUG 1195 1196 1197 if(sbp_cmd_status->status == SCSI_STATUS_CHECK_COND || 1198 sbp_cmd_status->status == SCSI_STATUS_CMD_TERMINATED){ 1199 if(sbp_cmd_status->sfmt == SBP_SFMT_CURR){ 1200 sense->error_code = SSD_CURRENT_ERROR; 1201 }else{ 1202 sense->error_code = SSD_DEFERRED_ERROR; 1203 } 1204 if(sbp_cmd_status->valid) 1205 sense->error_code |= SSD_ERRCODE_VALID; 1206 sense->flags = sbp_cmd_status->s_key; 1207 if(sbp_cmd_status->mark) 1208 sense->flags |= SSD_FILEMARK; 1209 if(sbp_cmd_status->eom) 1210 sense->flags |= SSD_EOM; 1211 if(sbp_cmd_status->ill_len) 1212 sense->flags |= SSD_ILI; 1213 sense->info[0] = ntohl(sbp_cmd_status->info) & 0xff; 1214 sense->info[1] =(ntohl(sbp_cmd_status->info) >> 8) & 0xff; 1215 sense->info[2] =(ntohl(sbp_cmd_status->info) >> 16) & 0xff; 1216 sense->info[3] =(ntohl(sbp_cmd_status->info) >> 24) & 0xff; 1217 if (sbp_status->len <= 1) 1218 /* XXX not scsi status. shouldn't be happened */ 1219 sense->extra_len = 0; 1220 else if (sbp_status->len <= 4) 1221 /* add_sense_code(_qual), info, cmd_spec_info */ 1222 sense->extra_len = 6; 1223 else 1224 /* fru, sense_key_spec */ 1225 sense->extra_len = 10; 1226 sense->cmd_spec_info[0] = ntohl(sbp_cmd_status->cdb) & 0xff; 1227 sense->cmd_spec_info[1] = (ntohl(sbp_cmd_status->cdb) >> 8) & 0xff; 1228 sense->cmd_spec_info[2] = (ntohl(sbp_cmd_status->cdb) >> 16) & 0xff; 1229 sense->cmd_spec_info[3] = (ntohl(sbp_cmd_status->cdb) >> 24) & 0xff; 1230 sense->add_sense_code = sbp_cmd_status->s_code; 1231 sense->add_sense_code_qual = sbp_cmd_status->s_qlfr; 1232 sense->fru = sbp_cmd_status->fru; 1233 sense->sense_key_spec[0] = ntohl(sbp_cmd_status->s_keydep) & 0xff; 1234 sense->sense_key_spec[1] = (ntohl(sbp_cmd_status->s_keydep) >>8) & 0xff; 1235 sense->sense_key_spec[2] = (ntohl(sbp_cmd_status->s_keydep) >>16) & 0xff; 1236 1237 ocb->ccb->csio.scsi_status = sbp_cmd_status->status;; 1238 ocb->ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR 1239 | CAM_AUTOSNS_VALID; 1240/* 1241{ 1242 u_int8_t j, *tmp; 1243 tmp = sense; 1244 for( j = 0 ; j < 32 ; j+=8){ 1245 printf("sense %02x%02x %02x%02x %02x%02x %02x%02x\n", 1246 tmp[j], tmp[j+1], tmp[j+2], tmp[j+3], 1247 tmp[j+4], tmp[j+5], tmp[j+6], tmp[j+7]); 1248 } 1249 1250} 1251*/ 1252 } else { 1253 printf("sbp_scsi_status: unknown scsi status\n"); 1254 } 1255} 1256 1257static void 1258sbp_fix_inq_data(struct sbp_ocb *ocb) 1259{ 1260 union ccb *ccb; 1261 struct sbp_dev *sdev; 1262 struct scsi_inquiry_data *inq; 1263 1264 ccb = ocb->ccb; 1265 sdev = ocb->sdev; 1266 1267 if (ccb->csio.cdb_io.cdb_bytes[1] & SI_EVPD) 1268 return; 1269SBP_DEBUG(1) 1270 sbp_show_sdev_info(sdev, 2); 1271 printf("sbp_fix_inq_data\n"); 1272END_DEBUG 1273 inq = (struct scsi_inquiry_data *) ccb->csio.data_ptr; 1274 switch (SID_TYPE(inq)) { 1275 case T_DIRECT: 1276 /* 1277 * XXX Convert Direct Access device to RBC. 1278 * I've never seen FireWire DA devices which support READ_6. 1279 */ 1280#if 1 1281 if (SID_TYPE(inq) == T_DIRECT) 1282 inq->device |= T_RBC; /* T_DIRECT == 0 */ 1283#endif 1284 /* fall through */ 1285 case T_RBC: 1286 /* disable tag queuing */ 1287 inq->flags &= ~SID_CmdQue; 1288 /* 1289 * Override vendor/product/revision information. 1290 * Some devices sometimes return strange strings. 1291 */ 1292 bcopy(sdev->vendor, inq->vendor, sizeof(inq->vendor)); 1293 bcopy(sdev->product, inq->product, sizeof(inq->product)); 1294 bcopy(sdev->revision+2, inq->revision, sizeof(inq->revision)); 1295 break; 1296 } 1297} 1298 1299static void 1300sbp_recv1(struct fw_xfer *xfer){ 1301 struct fw_pkt *rfp; 1302#if NEED_RESPONSE 1303 struct fw_pkt *sfp; 1304#endif 1305 struct sbp_softc *sbp; 1306 struct sbp_dev *sdev; 1307 struct sbp_ocb *ocb; 1308 struct sbp_login_res *login_res = NULL; 1309 struct sbp_status *sbp_status; 1310 struct sbp_target *target; 1311 int orb_fun, status_valid; 1312 u_int32_t addr; 1313/* 1314 u_int32_t *ld; 1315 ld = xfer->recv.buf; 1316printf("sbp %x %d %d %08x %08x %08x %08x\n", 1317 xfer->resp, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3])); 1318printf("sbp %08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 1319printf("sbp %08x %08x %08x %08x\n", ntohl(ld[8]), ntohl(ld[9]), ntohl(ld[10]), ntohl(ld[11])); 1320*/ 1321 if(xfer->resp != 0){ 1322 printf("sbp_recv: xfer->resp != 0\n"); 1323 fw_xfer_free( xfer); 1324 return; 1325 } 1326 if(xfer->recv.buf == NULL){ 1327 printf("sbp_recv: xfer->recv.buf == NULL\n"); 1328 fw_xfer_free( xfer); 1329 return; 1330 } 1331 sbp = (struct sbp_softc *)xfer->sc; 1332 rfp = (struct fw_pkt *)xfer->recv.buf; 1333 if(rfp->mode.wreqb.tcode != FWTCODE_WREQB){ 1334 printf("sbp_recv: tcode = %d\n", rfp->mode.wreqb.tcode); 1335 fw_xfer_free( xfer); 1336 return; 1337 } 1338 sbp_status = (struct sbp_status *)rfp->mode.wreqb.payload; 1339 addr = ntohl(rfp->mode.wreqb.dest_lo); 1340SBP_DEBUG(2) 1341 printf("received address 0x%x\n", addr); 1342END_DEBUG 1343 target = &sbp->targets[SBP_ADDR2TRG(addr)]; 1344 sdev = &target->luns[SBP_ADDR2LUN(addr)]; 1345 1346 status_valid = (sbp_status->resp == ORB_RES_CMPL 1347 && sbp_status->dead == 0 1348 && sbp_status->status == 0); 1349 1350SBP_DEBUG(0) 1351 if (!status_valid || debug > 1){ 1352 int status; 1353 1354 sbp_show_sdev_info(sdev, 2); 1355 printf("ORB status src:%x resp:%x dead:%x" 1356#if __FreeBSD_version >= 500000 1357 " len:%x stat:%x orb:%x%08x\n", 1358#else 1359 " len:%x stat:%x orb:%x%08lx\n", 1360#endif 1361 sbp_status->src, sbp_status->resp, sbp_status->dead, 1362 sbp_status->len, sbp_status->status, 1363 ntohs(sbp_status->orb_hi), ntohl(sbp_status->orb_lo)); 1364 sbp_show_sdev_info(sdev, 2); 1365 status = sbp_status->status; 1366 switch(sbp_status->resp) { 1367 case 0: 1368 if (status > MAX_ORB_STATUS0) 1369 printf("%s\n", orb_status0[MAX_ORB_STATUS0]); 1370 else 1371 printf("%s\n", orb_status0[status]); 1372 break; 1373 case 1: 1374 printf("Object: %s, Serial Bus Error: %s\n", 1375 orb_status1_object[(status>>6) & 3], 1376 orb_status1_serial_bus_error[status & 0xf]); 1377 break; 1378 default: 1379 printf("unknown respose code\n"); 1380 } 1381 } 1382END_DEBUG 1383 ocb = sbp_dequeue_ocb(sdev, ntohl(sbp_status->orb_lo)); 1384 1385 /* we have to reset the fetch agent if it's dead */ 1386 if (sbp_status->dead) { 1387 if (sdev->path) 1388 xpt_freeze_devq(sdev->path, 1); 1389 sbp_agent_reset(sdev, 0); 1390 } 1391 1392 1393 if (ocb == NULL) { 1394 printf("No ocb on the queue for target %d.\n", sdev->target->target_id); 1395 fw_xfer_free( xfer); 1396 return; 1397 } 1398 1399 switch(ntohl(ocb->orb[4]) & ORB_FMT_MSK){ 1400 case ORB_FMT_NOP: 1401 break; 1402 case ORB_FMT_VED: 1403 break; 1404 case ORB_FMT_STD: 1405 switch(ocb->flags & OCB_ACT_MASK){ 1406 case OCB_ACT_MGM: 1407 orb_fun = ntohl(ocb->orb[4]) & ORB_FUN_MSK; 1408 switch(orb_fun) { 1409 case ORB_FUN_LGI: 1410 login_res = &sdev->login; 1411 login_res->len = ntohs(login_res->len); 1412 login_res->id = ntohs(login_res->id); 1413 login_res->cmd_hi = ntohs(login_res->cmd_hi); 1414 login_res->cmd_lo = ntohl(login_res->cmd_lo); 1415 if (status_valid) { 1416SBP_DEBUG(0) 1417sbp_show_sdev_info(sdev, 2); 1418printf("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)); 1419END_DEBUG 1420#if 1 1421 sbp_busy_timeout(sdev); 1422#else 1423 sbp_mgm_orb(sdev, ORB_FUN_ATS); 1424#endif 1425 } else { 1426 /* forgot logout ? */ 1427 printf("login failed\n"); 1428 sdev->status = SBP_DEV_RESET; 1429 } 1430 break; 1431 case ORB_FUN_RCN: 1432 login_res = &sdev->login; 1433 if (status_valid) { 1434 sdev->status = SBP_DEV_ATTACHED; 1435SBP_DEBUG(0) 1436sbp_show_sdev_info(sdev, 2); 1437printf("reconnect: len %d, ID %d, cmd %08x%08x\n", login_res->len, login_res->id, login_res->cmd_hi, login_res->cmd_lo); 1438END_DEBUG 1439#if 1 1440 sbp_ping_unit(sdev); 1441 xpt_release_devq(sdev->path, 1, TRUE); 1442#else 1443 sbp_mgm_orb(sdev, ORB_FUN_ATS); 1444#endif 1445 } else { 1446 /* reconnection hold time exceed? */ 1447 printf("reconnect failed\n"); 1448 sbp_mgm_orb(sdev, ORB_FUN_LGI); 1449 } 1450 break; 1451 case ORB_FUN_LGO: 1452 sdev->status = SBP_DEV_RESET; 1453 break; 1454 case ORB_FUN_LUR: 1455 case ORB_FUN_RST: 1456 case ORB_FUN_ATA: 1457 case ORB_FUN_ATS: 1458 if (sdev->status == SBP_DEV_ATTACHED) { 1459 xpt_release_devq(sdev->path, 1, TRUE); 1460 } else { 1461 sbp_busy_timeout(sdev); 1462 } 1463 break; 1464 default: 1465 break; 1466 } 1467 break; 1468 case OCB_ACT_CMD: 1469 if(ocb->ccb != NULL){ 1470 union ccb *ccb; 1471/* 1472 u_int32_t *ld; 1473 ld = ocb->ccb->csio.data_ptr; 1474 if(ld != NULL && ocb->ccb->csio.dxfer_len != 0) 1475 printf("ptr %08x %08x %08x %08x\n", ld[0], ld[1], ld[2], ld[3]); 1476 else 1477 printf("ptr NULL\n"); 1478printf("len %d\n", sbp_status->len); 1479*/ 1480 ccb = ocb->ccb; 1481 if(sbp_status->len > 1){ 1482 sbp_scsi_status(sbp_status, ocb); 1483 }else{ 1484 if(sbp_status->resp != ORB_RES_CMPL){ 1485 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1486 }else{ 1487 ccb->ccb_h.status = CAM_REQ_CMP; 1488 } 1489 } 1490 /* fix up inq data */ 1491 if (ccb->csio.cdb_io.cdb_bytes[0] == INQUIRY) 1492 sbp_fix_inq_data(ocb); 1493 xpt_done(ccb); 1494 } 1495 break; 1496 default: 1497 break; 1498 } 1499 } 1500 1501 if (!(ocb->flags & OCB_RESERVED)) 1502 sbp_free_ocb(sbp, ocb); 1503 1504/* The received packet is usually small enough to be stored within 1505 * the buffer. In that case, the controller return ack_complete and 1506 * no respose is necessary. 1507 * 1508 * XXX fwohci.c and firewire.c should inform event_code such as 1509 * ack_complete or ack_pending to upper driver. 1510 */ 1511#if NEED_RESPONSE 1512 xfer->send.buf = malloc(12, M_SBP, M_NOWAIT | M_ZERO); 1513 xfer->send.len = 12; 1514 xfer->send.off = 0; 1515 sfp = (struct fw_pkt *)xfer->send.buf; 1516 sfp->mode.wres.dst = rfp->mode.wreqb.src; 1517 xfer->dst = ntohs(sfp->mode.wres.dst); 1518 xfer->spd = min(sdev->target->fwdev->speed, max_speed); 1519 xfer->act.hand = sbp_loginres_callback; 1520 xfer->retry_req = fw_asybusy; 1521 1522 sfp->mode.wres.tlrt = rfp->mode.wreqb.tlrt; 1523 sfp->mode.wres.tcode = FWTCODE_WRES; 1524 sfp->mode.wres.rtcode = 0; 1525 sfp->mode.wres.pri = 0; 1526 1527 fw_asyreq(xfer->fc, -1, xfer); 1528#else 1529 fw_xfer_free(xfer); 1530#endif 1531 1532 return; 1533 1534} 1535 1536static void 1537sbp_recv(struct fw_xfer *xfer) 1538{ 1539 int s; 1540 1541 s = splcam(); 1542 sbp_recv1(xfer); 1543 splx(s); 1544} 1545/* 1546 * sbp_attach() 1547 */ 1548static int 1549sbp_attach(device_t dev) 1550{ 1551 struct sbp_softc *sbp; 1552 struct cam_devq *devq; 1553 struct fw_xfer *xfer; 1554 int i, s, error; 1555 1556SBP_DEBUG(0) 1557 printf("sbp_attach\n"); 1558END_DEBUG 1559 1560 sbp = ((struct sbp_softc *)device_get_softc(dev)); 1561 bzero(sbp, sizeof(struct sbp_softc)); 1562 sbp->fd.dev = dev; 1563 sbp->fd.fc = device_get_ivars(dev); 1564 error = bus_dma_tag_create(/*parent*/NULL, /*alignment*/1, 1565 /*boundary*/0, 1566 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, 1567 /*highaddr*/BUS_SPACE_MAXADDR, 1568 /*filter*/NULL, /*filterarg*/NULL, 1569 /*maxsize*/0x100000, /*nsegments*/SBP_IND_MAX, 1570 /*maxsegsz*/0x8000, 1571 /*flags*/BUS_DMA_ALLOCNOW, 1572 &sbp->dmat); 1573 if (error != 0) { 1574 printf("sbp_attach: Could not allocate DMA tag " 1575 "- error %d\n", error); 1576 return (ENOMEM); 1577 } 1578 1579 devq = cam_simq_alloc(/*maxopenings*/SBP_NUM_OCB); 1580 if (devq == NULL) 1581 return (ENXIO); 1582 1583 for( i = 0 ; i < SBP_NUM_TARGETS ; i++){ 1584 sbp->targets[i].fwdev = NULL; 1585 sbp->targets[i].luns = NULL; 1586 } 1587 1588 sbp->sim = cam_sim_alloc(sbp_action, sbp_poll, "sbp", sbp, 1589 device_get_unit(dev), 1590 /*untagged*/ SBP_QUEUE_LEN, 1591 /*tagged*/0, devq); 1592 1593 if (sbp->sim == NULL) { 1594 cam_simq_free(devq); 1595 return (ENXIO); 1596 } 1597 1598 sbp->ocb = (struct sbp_ocb *) contigmalloc( 1599 sizeof (struct sbp_ocb) * SBP_NUM_OCB, 1600 M_SBP, M_DONTWAIT, 0x10000, 0xffffffff, PAGE_SIZE, 0ul); 1601 bzero(sbp->ocb, sizeof (struct sbp_ocb) * SBP_NUM_OCB); 1602 1603 if (sbp->ocb == NULL) { 1604 printf("sbp0: ocb alloction failure\n"); 1605 return (ENOMEM); 1606 } 1607 1608 STAILQ_INIT(&sbp->free_ocbs); 1609 for (i = 0; i < SBP_NUM_OCB; i++) { 1610 sbp_free_ocb(sbp, &sbp->ocb[i]); 1611 } 1612 1613 if (xpt_bus_register(sbp->sim, /*bus*/0) != CAM_SUCCESS) { 1614 cam_sim_free(sbp->sim, /*free_devq*/TRUE); 1615 contigfree(sbp->ocb, sizeof (struct sbp_ocb) * SBP_NUM_OCB, 1616 M_SBP); 1617 return (ENXIO); 1618 } 1619 1620 xfer = fw_xfer_alloc(); 1621 xfer->act.hand = sbp_recv; 1622 xfer->act_type = FWACT_XFER; 1623#if NEED_RESPONSE 1624 xfer->fc = sbp->fd.fc; 1625#endif 1626 xfer->sc = (caddr_t)sbp; 1627 1628 sbp->fwb.start_hi = SBP_BIND_HI; 1629 sbp->fwb.start_lo = SBP_DEV2ADDR(device_get_unit(sbp->fd.dev), 0, 0); 1630 /* We reserve 16 bit space (4 bytes X 64 targets X 256 luns) */ 1631 sbp->fwb.addrlen = 0xffff; 1632 sbp->fwb.xfer = xfer; 1633 fw_bindadd(sbp->fd.fc, &sbp->fwb); 1634 1635 sbp->fd.post_explore = sbp_post_explore; 1636 s = splfw(); 1637 sbp_post_explore((void *)sbp); 1638 splx(s); 1639 1640 return (0); 1641} 1642 1643static int 1644sbp_detach(device_t dev) 1645{ 1646 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 1647 struct firewire_comm *fc = sbp->fd.fc; 1648 int i; 1649 1650SBP_DEBUG(0) 1651 printf("sbp_detach\n"); 1652END_DEBUG 1653 1654 /* bus reset for logout */ 1655 sbp->fd.post_explore = NULL; 1656 fc->ibr(fc); 1657 1658 contigfree(sbp->ocb, sizeof (struct sbp_ocb) * SBP_NUM_OCB, M_SBP); 1659 fw_bindremove(fc, &sbp->fwb); 1660 for (i = 0; i < SBP_NUM_TARGETS; i ++) 1661 sbp_detach_target(&sbp->targets[i]); 1662 xpt_bus_deregister(cam_sim_path(sbp->sim)); 1663 bus_dma_tag_destroy(sbp->dmat); 1664 return (0); 1665} 1666 1667static void 1668sbp_detach_target(struct sbp_target *target) 1669{ 1670 int i; 1671 struct sbp_dev *sdev; 1672 1673 if (target->luns != NULL) { 1674SBP_DEBUG(0) 1675 printf("sbp_detach_target %d\n", target->target_id); 1676END_DEBUG 1677 for (i=0; i < target->num_lun; i++) { 1678 sdev = &target->luns[i]; 1679 if (sdev->status == SBP_DEV_RESET || 1680 sdev->status == SBP_DEV_DEAD) 1681 continue; 1682 if (sdev->path) 1683 xpt_async(AC_LOST_DEVICE, sdev->path, NULL); 1684 xpt_free_path(sdev->path); 1685 sdev->path = NULL; 1686 sbp_abort_all_ocbs(sdev, CAM_DEV_NOT_THERE); 1687 } 1688 free(target->luns, M_SBP); 1689 target->luns = NULL; 1690 } 1691 target->fwdev = NULL; 1692} 1693 1694static void 1695sbp_timeout(void *arg) 1696{ 1697 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 1698 struct sbp_dev *sdev = ocb->sdev; 1699 int s; 1700 1701 sbp_show_sdev_info(sdev, 2); 1702 printf("request timeout ... requeue\n"); 1703 1704 /* XXX need reset? */ 1705 1706 s = splfw(); 1707 sbp_abort_all_ocbs(sdev, CAM_CMD_TIMEOUT); 1708 splx(s); 1709 return; 1710} 1711 1712static void 1713sbp_action1(struct cam_sim *sim, union ccb *ccb) 1714{ 1715 1716 struct sbp_softc *sbp = (struct sbp_softc *)sim->softc; 1717 struct sbp_target *target = NULL; 1718 struct sbp_dev *sdev = NULL; 1719 1720 /* target:lun -> sdev mapping */ 1721 if (sbp != NULL 1722 && ccb->ccb_h.target_id != CAM_TARGET_WILDCARD 1723 && ccb->ccb_h.target_id < SBP_NUM_TARGETS) { 1724 target = &sbp->targets[ccb->ccb_h.target_id]; 1725 if (target->fwdev != NULL 1726 && ccb->ccb_h.target_lun != CAM_LUN_WILDCARD 1727 && ccb->ccb_h.target_lun < target->num_lun) { 1728 sdev = &target->luns[ccb->ccb_h.target_lun]; 1729 if (sdev->status != SBP_DEV_ATTACHED && 1730 sdev->status != SBP_DEV_PROBE) 1731 sdev = NULL; 1732 } 1733 } 1734 1735SBP_DEBUG(1) 1736 if (sdev == NULL) 1737 printf("invalid target %d lun %d\n", 1738 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 1739END_DEBUG 1740 1741 switch (ccb->ccb_h.func_code) { 1742 case XPT_SCSI_IO: 1743 case XPT_RESET_DEV: 1744 case XPT_GET_TRAN_SETTINGS: 1745 case XPT_SET_TRAN_SETTINGS: 1746 case XPT_CALC_GEOMETRY: 1747 if (sdev == NULL) { 1748SBP_DEBUG(1) 1749 printf("%s:%d:%d:func_code 0x%04x: " 1750 "Invalid target (target needed)\n", 1751 device_get_nameunit(sbp->fd.dev), 1752 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 1753 ccb->ccb_h.func_code); 1754END_DEBUG 1755 1756 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 1757 xpt_done(ccb); 1758 return; 1759 } 1760 break; 1761 case XPT_PATH_INQ: 1762 case XPT_NOOP: 1763 /* The opcodes sometimes aimed at a target (sc is valid), 1764 * sometimes aimed at the SIM (sc is invalid and target is 1765 * CAM_TARGET_WILDCARD) 1766 */ 1767 if (sbp == NULL && 1768 ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) { 1769SBP_DEBUG(0) 1770 printf("%s:%d:%d func_code 0x%04x: " 1771 "Invalid target (no wildcard)\n", 1772 device_get_nameunit(sbp->fd.dev), 1773 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 1774 ccb->ccb_h.func_code); 1775END_DEBUG 1776 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 1777 xpt_done(ccb); 1778 return; 1779 } 1780 break; 1781 default: 1782 /* XXX Hm, we should check the input parameters */ 1783 break; 1784 } 1785 1786 switch (ccb->ccb_h.func_code) { 1787 case XPT_SCSI_IO: 1788 { 1789 struct ccb_scsiio *csio; 1790 struct sbp_ocb *ocb; 1791 int s, speed; 1792 void *cdb; 1793 1794 csio = &ccb->csio; 1795 1796SBP_DEBUG(1) 1797 printf("%s:%d:%d XPT_SCSI_IO: " 1798 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 1799 ", flags: 0x%02x, " 1800 "%db cmd/%db data/%db sense\n", 1801 device_get_nameunit(sbp->fd.dev), 1802 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 1803 csio->cdb_io.cdb_bytes[0], 1804 csio->cdb_io.cdb_bytes[1], 1805 csio->cdb_io.cdb_bytes[2], 1806 csio->cdb_io.cdb_bytes[3], 1807 csio->cdb_io.cdb_bytes[4], 1808 csio->cdb_io.cdb_bytes[5], 1809 csio->cdb_io.cdb_bytes[6], 1810 csio->cdb_io.cdb_bytes[7], 1811 csio->cdb_io.cdb_bytes[8], 1812 csio->cdb_io.cdb_bytes[9], 1813 ccb->ccb_h.flags & CAM_DIR_MASK, 1814 csio->cdb_len, csio->dxfer_len, 1815 csio->sense_len); 1816END_DEBUG 1817 if(sdev == NULL){ 1818 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 1819 xpt_done(ccb); 1820 return; 1821 } 1822#if 0 1823 /* if we are in probe stage, pass only probe commands */ 1824 if (sdev->status == SBP_DEV_PROBE) { 1825 char *name; 1826 name = xpt_path_periph(ccb->ccb_h.path)->periph_name; 1827 printf("probe stage, periph name: %s\n", name); 1828 if (strcmp(name, "probe") != 0) { 1829 ccb->ccb_h.status = CAM_REQUEUE_REQ; 1830 xpt_done(ccb); 1831 return; 1832 } 1833 } 1834#endif 1835 if ((ocb = sbp_get_ocb(sbp)) == NULL) { 1836 s = splfw(); 1837 sbp->flags |= SBP_RESOURCE_SHORTAGE; 1838 splx(s); 1839 return; 1840 } 1841 ocb->flags = OCB_ACT_CMD; 1842 ocb->sdev = sdev; 1843 ocb->ccb = ccb; 1844 ccb->ccb_h.ccb_sdev_ptr = sdev; 1845 ocb->orb[0] = htonl(1 << 31); 1846 ocb->orb[1] = 0; 1847 ocb->orb[2] = htonl(((sbp->fd.fc->nodeid | FWLOCALBUS )<< 16) ); 1848 ocb->orb[3] = htonl(vtophys(ocb->ind_ptr)); 1849 speed = min(target->fwdev->speed, max_speed); 1850 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_CMD_SPD(speed) 1851 | ORB_CMD_MAXP(speed + 7)); 1852 if((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN){ 1853 ocb->orb[4] |= htonl(ORB_CMD_IN); 1854 } 1855 1856 if (csio->ccb_h.flags & CAM_SCATTER_VALID) 1857 printf("sbp: CAM_SCATTER_VALID\n"); 1858 if (csio->ccb_h.flags & CAM_DATA_PHYS) 1859 printf("sbp: CAM_DATA_PHYS\n"); 1860 1861 if (csio->ccb_h.flags & CAM_CDB_POINTER) 1862 cdb = (void *)csio->cdb_io.cdb_ptr; 1863 else 1864 cdb = (void *)&csio->cdb_io.cdb_bytes; 1865 bcopy(cdb, 1866 (void *)(uintptr_t)(volatile void *)&ocb->orb[5], 1867 csio->cdb_len); 1868/* 1869printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[0]), ntohl(ocb->orb[1]), ntohl(ocb->orb[2]), ntohl(ocb->orb[3])); 1870printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[4]), ntohl(ocb->orb[5]), ntohl(ocb->orb[6]), ntohl(ocb->orb[7])); 1871*/ 1872 if (ccb->csio.dxfer_len > 0) { 1873 int s; 1874 1875 if (bus_dmamap_create(sbp->dmat, 0, &ocb->dmamap)) { 1876 printf("sbp_action1: cannot create dmamap\n"); 1877 break; 1878 } 1879 1880 s = splsoftvm(); 1881 bus_dmamap_load(/*dma tag*/sbp->dmat, 1882 /*dma map*/ocb->dmamap, 1883 ccb->csio.data_ptr, 1884 ccb->csio.dxfer_len, 1885 sbp_execute_ocb, 1886 ocb, 1887 /*flags*/0); 1888 splx(s); 1889 } else 1890 sbp_execute_ocb(ocb, NULL, 0, 0); 1891 break; 1892 } 1893 case XPT_CALC_GEOMETRY: 1894 { 1895 struct ccb_calc_geometry *ccg; 1896 u_int32_t size_mb; 1897 u_int32_t secs_per_cylinder; 1898 int extended = 1; 1899 ccg = &ccb->ccg; 1900 1901 if (ccg->block_size == 0) { 1902 printf("sbp_action1: block_size is 0.\n"); 1903 ccb->ccb_h.status = CAM_REQ_INVALID; 1904 xpt_done(ccb); 1905 break; 1906 } 1907SBP_DEBUG(1) 1908 printf("%s:%d:%d:%d:XPT_CALC_GEOMETRY: " 1909 "Volume size = %d\n", 1910 device_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim), 1911 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 1912 ccg->volume_size); 1913END_DEBUG 1914 1915 size_mb = ccg->volume_size 1916 / ((1024L * 1024L) / ccg->block_size); 1917 1918 if (size_mb >= 1024 && extended) { 1919 ccg->heads = 255; 1920 ccg->secs_per_track = 63; 1921 } else { 1922 ccg->heads = 64; 1923 ccg->secs_per_track = 32; 1924 } 1925 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 1926 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 1927 ccb->ccb_h.status = CAM_REQ_CMP; 1928 xpt_done(ccb); 1929 break; 1930 } 1931 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 1932 { 1933 1934SBP_DEBUG(1) 1935 printf("%s:%d:XPT_RESET_BUS: \n", 1936 device_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim)); 1937END_DEBUG 1938 1939 ccb->ccb_h.status = CAM_REQ_INVALID; 1940 xpt_done(ccb); 1941 break; 1942 } 1943 case XPT_PATH_INQ: /* Path routing inquiry */ 1944 { 1945 struct ccb_pathinq *cpi = &ccb->cpi; 1946 1947SBP_DEBUG(1) 1948 printf("%s:%d:%d XPT_PATH_INQ:.\n", 1949 device_get_nameunit(sbp->fd.dev), 1950 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 1951END_DEBUG 1952 cpi->version_num = 1; /* XXX??? */ 1953 cpi->hba_inquiry = 0; 1954 cpi->target_sprt = 0; 1955 cpi->hba_misc = 0; 1956 cpi->hba_eng_cnt = 0; 1957 cpi->max_target = SBP_NUM_TARGETS - 1; 1958 cpi->max_lun = SBP_NUM_LUNS - 1; 1959 cpi->initiator_id = SBP_INITIATOR; 1960 cpi->bus_id = sim->bus_id; 1961 cpi->base_transfer_speed = 400 * 1000 / 8; 1962 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 1963 strncpy(cpi->hba_vid, "SBP", HBA_IDLEN); 1964 strncpy(cpi->dev_name, sim->sim_name, DEV_IDLEN); 1965 cpi->unit_number = sim->unit_number; 1966 1967 cpi->ccb_h.status = CAM_REQ_CMP; 1968 xpt_done(ccb); 1969 break; 1970 } 1971 case XPT_GET_TRAN_SETTINGS: 1972 { 1973 struct ccb_trans_settings *cts = &ccb->cts; 1974SBP_DEBUG(1) 1975 printf("%s:%d:%d XPT_GET_TRAN_SETTINGS:.\n", 1976 device_get_nameunit(sbp->fd.dev), 1977 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 1978END_DEBUG 1979 /* Disable disconnect and tagged queuing */ 1980 cts->valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID; 1981 cts->flags = 0; 1982 1983 cts->ccb_h.status = CAM_REQ_CMP; 1984 xpt_done(ccb); 1985 break; 1986 } 1987 case XPT_ABORT: 1988 ccb->ccb_h.status = CAM_UA_ABORT; 1989 xpt_done(ccb); 1990 break; 1991 default: 1992 ccb->ccb_h.status = CAM_REQ_INVALID; 1993 xpt_done(ccb); 1994 break; 1995 } 1996 return; 1997} 1998 1999static void 2000sbp_action(struct cam_sim *sim, union ccb *ccb) 2001{ 2002 int s; 2003 2004 s = splfw(); 2005 sbp_action1(sim, ccb); 2006 splx(s); 2007} 2008 2009static void 2010sbp_execute_ocb(void *arg, bus_dma_segment_t *segments, int seg, int error) 2011{ 2012 int i; 2013 struct sbp_ocb *ocb; 2014 struct sbp_ocb *prev; 2015 union ccb *ccb; 2016 bus_dma_segment_t *s; 2017 2018 if (error) 2019 printf("sbp_execute_ocb: error=%d\n", error); 2020 2021 ocb = (struct sbp_ocb *)arg; 2022 if (seg == 1) { 2023 /* direct pointer */ 2024 ocb->orb[3] = htonl(segments[0].ds_addr); 2025 ocb->orb[4] |= htonl(segments[0].ds_len); 2026 } else if(seg > 1) { 2027 /* page table */ 2028SBP_DEBUG(1) 2029 printf("sbp_execute_ocb: seg %d", seg); 2030 for (i = 0; i < seg; i++) 2031#if __FreeBSD_version >= 500000 2032 printf(", %tx:%zd", segments[i].ds_addr, 2033#else 2034 printf(", %x:%d", segments[i].ds_addr, 2035#endif 2036 segments[i].ds_len); 2037 printf("\n"); 2038END_DEBUG 2039 for (i = 0; i < seg; i++) { 2040 s = &segments[i]; 2041SBP_DEBUG(0) 2042 /* XXX LSI Logic "< 16 byte" bug might be hit */ 2043 if (s->ds_len < 16) 2044 printf("sbp_execute_ocb: warning, " 2045#if __FreeBSD_version >= 500000 2046 "segment length(%zd) is less than 16." 2047#else 2048 "segment length(%d) is less than 16." 2049#endif 2050 "(seg=%d/%d)\n", s->ds_len, i+1, seg); 2051END_DEBUG 2052 ocb->ind_ptr[i].hi = htonl(s->ds_len << 16); 2053 ocb->ind_ptr[i].lo = htonl(s->ds_addr); 2054 } 2055 ocb->orb[4] |= htonl(ORB_CMD_PTBL | seg); 2056 } 2057 2058 ccb = ocb->ccb; 2059 prev = sbp_enqueue_ocb(ocb->sdev, ocb); 2060 if (prev) 2061 sbp_doorbell(ocb->sdev); 2062 else 2063 sbp_orb_pointer(ocb->sdev, ocb); 2064} 2065 2066static void 2067sbp_poll(struct cam_sim *sim) 2068{ 2069 /* should call fwohci_intr? */ 2070 return; 2071} 2072static struct sbp_ocb * 2073sbp_dequeue_ocb(struct sbp_dev *sdev, u_int32_t orb_lo) 2074{ 2075 struct sbp_ocb *ocb; 2076 struct sbp_ocb *next; 2077 int s = splfw(), order = 0; 2078 int flags; 2079 2080 for (ocb = STAILQ_FIRST(&sdev->ocbs); ocb != NULL; ocb = next) { 2081 next = STAILQ_NEXT(ocb, ocb); 2082 flags = ocb->flags; 2083SBP_DEBUG(1) 2084#if __FreeBSD_version >= 500000 2085 printf("orb: 0x%tx next: 0x%x, flags %x\n", 2086#else 2087 printf("orb: 0x%x next: 0x%lx, flags %x\n", 2088#endif 2089 vtophys(&ocb->orb[0]), ntohl(ocb->orb[1]), flags); 2090END_DEBUG 2091 if (vtophys(&ocb->orb[0]) == orb_lo) { 2092 /* found */ 2093 if (ocb->flags & OCB_RESERVED) 2094 ocb->flags |= OCB_DONE; 2095 else 2096 STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb); 2097 if (ocb->ccb != NULL) 2098 untimeout(sbp_timeout, (caddr_t)ocb, 2099 ocb->ccb->ccb_h.timeout_ch); 2100 if (ocb->dmamap != NULL) { 2101 bus_dmamap_destroy(sdev->target->sbp->dmat, 2102 ocb->dmamap); 2103 ocb->dmamap = NULL; 2104 } 2105 break; 2106 } else { 2107 if ((ocb->flags & OCB_RESERVED) && 2108 (ocb->flags & OCB_DONE)) { 2109 /* next orb must be fetched already */ 2110 STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb); 2111 sbp_free_ocb(sdev->target->sbp, ocb); 2112 } else 2113 order ++; 2114 } 2115 } 2116 splx(s); 2117SBP_DEBUG(0) 2118 if (ocb && order > 0) { 2119 sbp_show_sdev_info(sdev, 2); 2120 printf("unordered execution order:%d\n", order); 2121 } 2122END_DEBUG 2123 return (ocb); 2124} 2125 2126static struct sbp_ocb * 2127sbp_enqueue_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 2128{ 2129 int s = splfw(); 2130 struct sbp_ocb *prev; 2131 2132SBP_DEBUG(2) 2133 sbp_show_sdev_info(sdev, 2); 2134#if __FreeBSD_version >= 500000 2135 printf("sbp_enqueue_ocb orb=0x%tx in physical memory\n", vtophys(&ocb->orb[0])); 2136#else 2137 printf("sbp_enqueue_ocb orb=0x%x in physical memory\n", vtophys(&ocb->orb[0])); 2138#endif 2139END_DEBUG 2140 prev = STAILQ_LAST(&sdev->ocbs, sbp_ocb, ocb); 2141 STAILQ_INSERT_TAIL(&sdev->ocbs, ocb, ocb); 2142 2143 if (ocb->ccb != NULL) 2144 ocb->ccb->ccb_h.timeout_ch = timeout(sbp_timeout, (caddr_t)ocb, 2145 (ocb->ccb->ccb_h.timeout * hz) / 1000); 2146 2147 if (prev != NULL 2148 && ((prev->flags & OCB_ACT_MASK) == OCB_ACT_CMD) 2149 && ((ocb->flags & OCB_ACT_MASK) == OCB_ACT_CMD)) { 2150SBP_DEBUG(1) 2151#if __FreeBSD_version >= 500000 2152 printf("linking chain 0x%tx -> 0x%tx\n", vtophys(&prev->orb[0]), 2153#else 2154 printf("linking chain 0x%x -> 0x%x\n", vtophys(&prev->orb[0]), 2155#endif 2156 vtophys(&ocb->orb[0])); 2157END_DEBUG 2158 prev->flags |= OCB_RESERVED; 2159 prev->orb[1] = htonl(vtophys(&ocb->orb[0])); 2160 prev->orb[0] = 0; 2161 } else { 2162 prev = NULL; 2163 } 2164 splx(s); 2165 2166 return prev; 2167} 2168 2169static struct sbp_ocb * 2170sbp_get_ocb(struct sbp_softc *sbp) 2171{ 2172 struct sbp_ocb *ocb; 2173 int s = splfw(); 2174 ocb = STAILQ_FIRST(&sbp->free_ocbs); 2175 if (ocb == NULL) { 2176 printf("ocb shortage!!!\n"); 2177 return NULL; 2178 } 2179 STAILQ_REMOVE(&sbp->free_ocbs, ocb, sbp_ocb, ocb); 2180 splx(s); 2181 ocb->ccb = NULL; 2182 return (ocb); 2183} 2184 2185static void 2186sbp_free_ocb(struct sbp_softc *sbp, struct sbp_ocb *ocb) 2187{ 2188#if 0 /* XXX make sure that ocb has ccb */ 2189 if ((sbp->flags & SBP_RESOURCE_SHORTAGE) != 0 && 2190 (ocb->ccb->ccb_h.status & CAM_RELEASE_SIMQ) == 0) { 2191 ocb->ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 2192 sbp->flags &= ~SBP_RESOURCE_SHORTAGE; 2193 } 2194#else 2195 if ((sbp->flags & SBP_RESOURCE_SHORTAGE) != 0) 2196 sbp->flags &= ~SBP_RESOURCE_SHORTAGE; 2197#endif 2198 ocb->flags = 0; 2199 ocb->ccb = NULL; 2200 STAILQ_INSERT_TAIL(&sbp->free_ocbs, ocb, ocb); 2201} 2202 2203static void 2204sbp_abort_ocb(struct sbp_ocb *ocb, int status) 2205{ 2206 struct sbp_dev *sdev; 2207 2208 sdev = ocb->sdev; 2209SBP_DEBUG(0) 2210 sbp_show_sdev_info(sdev, 2); 2211 printf("sbp_abort_ocb 0x%x\n", status); 2212 if (ocb->ccb != NULL) 2213 sbp_print_scsi_cmd(ocb); 2214END_DEBUG 2215 if (ocb->ccb != NULL && !(ocb->flags & OCB_DONE)) { 2216 if (status != CAM_CMD_TIMEOUT) 2217 untimeout(sbp_timeout, (caddr_t)ocb, 2218 ocb->ccb->ccb_h.timeout_ch); 2219 ocb->ccb->ccb_h.status = status; 2220 xpt_done(ocb->ccb); 2221 } 2222 if (ocb->dmamap != NULL) { 2223 bus_dmamap_destroy(sdev->target->sbp->dmat, ocb->dmamap); 2224 ocb->dmamap = NULL; 2225 } 2226 sbp_free_ocb(sdev->target->sbp, ocb); 2227} 2228 2229static void 2230sbp_abort_all_ocbs(struct sbp_dev *sdev, int status) 2231{ 2232 int s; 2233 struct sbp_ocb *ocb, *next; 2234 STAILQ_HEAD(, sbp_ocb) temp; 2235 2236 s = splfw(); 2237 2238 bcopy(&sdev->ocbs, &temp, sizeof(temp)); 2239 STAILQ_INIT(&sdev->ocbs); 2240 for (ocb = STAILQ_FIRST(&temp); ocb != NULL; ocb = next) { 2241 next = STAILQ_NEXT(ocb, ocb); 2242 sbp_abort_ocb(ocb, status); 2243 } 2244 2245 splx(s); 2246} 2247 2248static devclass_t sbp_devclass; 2249 2250static device_method_t sbp_methods[] = { 2251 /* device interface */ 2252 DEVMETHOD(device_identify, sbp_identify), 2253 DEVMETHOD(device_probe, sbp_probe), 2254 DEVMETHOD(device_attach, sbp_attach), 2255 DEVMETHOD(device_detach, sbp_detach), 2256 2257 { 0, 0 } 2258}; 2259 2260static driver_t sbp_driver = { 2261 "sbp", 2262 sbp_methods, 2263 sizeof(struct sbp_softc), 2264}; 2265DRIVER_MODULE(sbp, firewire, sbp_driver, sbp_devclass, 0, 0); 2266MODULE_VERSION(sbp, 1); 2267MODULE_DEPEND(sbp, firewire, 1, 1, 1); 2268MODULE_DEPEND(sbp, cam, 1, 1, 1); 2269