sbp.c revision 106506
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 106506 2002-11-06 15:34:52Z 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 = 1; 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 int status; 257 int lun_id; 258 struct cam_path *path; 259 struct sbp_target *target; 260 struct sbp_login_res login; 261 STAILQ_HEAD(, sbp_ocb) ocbs; 262 char vendor[32]; 263 char product[32]; 264 char revision[10]; 265}; 266 267struct sbp_target { 268 int target_id; 269 int num_lun; 270 struct sbp_dev *luns; 271 struct sbp_softc *sbp; 272 struct fw_device *fwdev; 273 u_int32_t mgm_hi, mgm_lo; 274}; 275 276struct sbp_softc { 277 struct firewire_dev_comm fd; 278 unsigned char flags; 279 struct cam_sim *sim; 280 struct sbp_target targets[SBP_NUM_TARGETS]; 281 struct fw_bind fwb; 282 STAILQ_HEAD(, sbp_ocb) free_ocbs; 283 struct sbp_ocb *ocb; 284 bus_dma_tag_t dmat; 285}; 286static void sbp_post_explore __P((void *)); 287static void sbp_recv __P((struct fw_xfer *)); 288static void sbp_login_callback __P((struct fw_xfer *)); 289static void sbp_cmd_callback __P((struct fw_xfer *)); 290static void sbp_orb_pointer __P((struct sbp_dev *, struct sbp_ocb *)); 291static void sbp_execute_ocb __P((void *, bus_dma_segment_t *, int, int)); 292static void sbp_free_ocb __P((struct sbp_softc *, struct sbp_ocb *)); 293static void sbp_abort_ocb __P((struct sbp_ocb *, int)); 294static void sbp_abort_all_ocbs __P((struct sbp_dev *, int)); 295static struct fw_xfer * sbp_write_cmd __P((struct sbp_dev *, int, int)); 296static struct sbp_ocb * sbp_get_ocb __P((struct sbp_softc *)); 297static struct sbp_ocb * sbp_enqueue_ocb __P((struct sbp_dev *, struct sbp_ocb *)); 298static struct sbp_ocb * sbp_dequeue_ocb __P((struct sbp_dev *, u_int32_t)); 299static void sbp_detach_target __P((struct sbp_target *)); 300static void sbp_timeout __P((void *arg)); 301static void sbp_mgm_orb __P((struct sbp_dev *, int)); 302 303MALLOC_DEFINE(M_SBP, "sbp", "SBP-II/Firewire"); 304 305/* cam related functions */ 306static void sbp_action(struct cam_sim *sim, union ccb *ccb); 307static void sbp_poll(struct cam_sim *sim); 308static void sbp_cam_callback(struct cam_periph *periph, 309 union ccb *ccb); 310static void sbp_cam_scan_lun(struct sbp_dev *sdev); 311 312static char *orb_status0[] = { 313 /* 0 */ "No additional information to report", 314 /* 1 */ "Request type not supported", 315 /* 2 */ "Speed not supported", 316 /* 3 */ "Page size not supported", 317 /* 4 */ "Access denied", 318 /* 5 */ "Logical unit not supported", 319 /* 6 */ "Maximum payload too small", 320 /* 7 */ "Reserved for future standardization", 321 /* 8 */ "Resources unavailable", 322 /* 9 */ "Function rejected", 323 /* A */ "Login ID not recognized", 324 /* B */ "Dummy ORB completed", 325 /* C */ "Request aborted", 326 /* FF */ "Unspecified error" 327#define MAX_ORB_STATUS0 0xd 328}; 329 330static char *orb_status1_object[] = { 331 /* 0 */ "Operation request block (ORB)", 332 /* 1 */ "Data buffer", 333 /* 2 */ "Page table", 334 /* 3 */ "Unable to specify" 335}; 336 337static char *orb_status1_serial_bus_error[] = { 338 /* 0 */ "Missing acknowledge", 339 /* 1 */ "Reserved; not to be used", 340 /* 2 */ "Time-out error", 341 /* 3 */ "Reserved; not to be used", 342 /* 4 */ "Busy retry limit exceeded(X)", 343 /* 5 */ "Busy retry limit exceeded(A)", 344 /* 6 */ "Busy retry limit exceeded(B)", 345 /* 7 */ "Reserved for future standardization", 346 /* 8 */ "Reserved for future standardization", 347 /* 9 */ "Reserved for future standardization", 348 /* A */ "Reserved for future standardization", 349 /* B */ "Tardy retry limit exceeded", 350 /* C */ "Conflict error", 351 /* D */ "Data error", 352 /* E */ "Type error", 353 /* F */ "Address error" 354}; 355 356static void 357sbp_identify(driver_t *driver, device_t parent) 358{ 359 device_t child; 360SBP_DEBUG(0) 361 printf("sbp_identify\n"); 362END_DEBUG 363 364 child = BUS_ADD_CHILD(parent, 0, "sbp", device_get_unit(parent)); 365} 366 367/* 368 * sbp_probe() 369 */ 370static int 371sbp_probe(device_t dev) 372{ 373 device_t pa; 374 375SBP_DEBUG(0) 376 printf("sbp_probe\n"); 377END_DEBUG 378 379 pa = device_get_parent(dev); 380 if(device_get_unit(dev) != device_get_unit(pa)){ 381 return(ENXIO); 382 } 383 384 device_set_desc(dev, "SBP2/SCSI over firewire"); 385 return (0); 386} 387 388static void 389sbp_show_sdev_info(struct sbp_dev *sdev, int new) 390{ 391 int lun; 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 lun = getcsrdata(fwdev, 0x14); 404 printf("ordered:%d type:%d EUI:%08x%08x node:%d " 405 "speed:%d maxrec:%d", 406 (lun & 0x00400000) >> 22, 407 (lun & 0x001f0000) >> 16, 408 fwdev->eui.hi, 409 fwdev->eui.lo, 410 fwdev->dst, 411 fwdev->speed, 412 fwdev->maxrec 413 ); 414 if (new) 415 printf(" new!\n"); 416 else 417 printf("\n"); 418 sbp_show_sdev_info(sdev, 2); 419 printf("'%s' '%s' '%s'\n", sdev->vendor, sdev->product, sdev->revision); 420} 421 422static struct sbp_target * 423sbp_alloc_target(struct sbp_softc *sbp, struct fw_device *fwdev) 424{ 425 int i, lun; 426 struct sbp_target *target; 427 struct sbp_dev *sdev; 428 429SBP_DEBUG(1) 430 printf("sbp_alloc_target\n"); 431END_DEBUG 432 for (i = 0; i < SBP_NUM_TARGETS; i++) 433 if(sbp->targets[i].fwdev == NULL) break; 434 if (i == SBP_NUM_TARGETS) { 435 printf("increase SBP_NUM_TARGETS!\n"); 436 return NULL; 437 } 438 /* new target */ 439 target = &sbp->targets[i]; 440 target->sbp = sbp; 441 target->fwdev = fwdev; 442 target->target_id = i; 443 if((target->mgm_lo = getcsrdata(fwdev, 0x54)) == 0 ){ 444 /* bad target */ 445 printf("NULL management address\n"); 446 target->fwdev = NULL; 447 return NULL; 448 } 449 target->mgm_hi = 0xffff; 450 target->mgm_lo = 0xf0000000 | target->mgm_lo << 2; 451 /* XXX should probe all luns */ 452 /* XXX num_lun may be changed. realloc luns? */ 453 lun = getcsrdata(target->fwdev, 0x14) & 0xff; 454 target->num_lun = lun + 1; 455 target->luns = (struct sbp_dev *) malloc( 456 sizeof(struct sbp_dev) * target->num_lun, 457 M_SBP, M_NOWAIT | M_ZERO); 458 for (i = 0; i < target->num_lun; i++) { 459 sdev = &target->luns[i]; 460 sdev->lun_id = i; 461 sdev->target = target; 462 STAILQ_INIT(&sdev->ocbs); 463 if (i == lun) 464 sdev->status = SBP_DEV_RESET; 465 else 466 sdev->status = SBP_DEV_DEAD; 467 } 468 return target; 469} 470 471static void 472sbp_get_text_leaf(struct fw_device *fwdev, int key, char *buf, int len) 473{ 474 static char *nullstr = "(null)"; 475 int i, clen, found=0; 476 struct csrhdr *chdr; 477 struct csrreg *creg; 478 u_int32_t *src, *dst; 479 480 chdr = (struct csrhdr *)&fwdev->csrrom[0]; 481 creg = (struct csrreg *)chdr; 482 creg += chdr->info_len; 483 for( i = chdr->info_len + 4; i <= fwdev->rommax; i+=4){ 484 if((creg++)->key == key){ 485 found = 1; 486 break; 487 } 488 } 489 if (!found) { 490 strncpy(buf, nullstr, len); 491 return; 492 } 493 src = (u_int32_t *) creg + creg->val; 494 clen = ((*src >> 16) - 2) * 4; 495 src += 3; 496 dst = (u_int32_t *) buf; 497 if (len < clen) 498 clen = len; 499 for (i = 0; i < clen/4; i++) 500 *dst++ = htonl(*src++); 501 buf[clen] = 0; 502} 503 504static void 505sbp_probe_lun(struct sbp_dev *sdev) 506{ 507 struct fw_device *fwdev; 508 int rev; 509 510 fwdev = sdev->target->fwdev; 511 bzero(sdev->vendor, sizeof(sdev->vendor)); 512 bzero(sdev->product, sizeof(sdev->product)); 513 sbp_get_text_leaf(fwdev, 0x03, sdev->vendor, sizeof(sdev->vendor)); 514 sbp_get_text_leaf(fwdev, 0x17, sdev->product, sizeof(sdev->product)); 515 rev = getcsrdata(sdev->target->fwdev, 0x3c); 516 snprintf(sdev->revision, sizeof(sdev->revision), "%06x", rev); 517} 518static void 519sbp_probe_target(struct sbp_target *target, int alive) 520{ 521 struct sbp_softc *sbp; 522 struct sbp_dev *sdev; 523 struct firewire_comm *fc; 524 int i; 525 526SBP_DEBUG(1) 527 printf("sbp_probe_target %d\n", target->target_id); 528 if (!alive) 529 printf("not alive\n"); 530END_DEBUG 531 532 sbp = target->sbp; 533 fc = target->sbp->fd.fc; 534 for (i=0; i < target->num_lun; i++) { 535 sdev = &target->luns[i]; 536 if (alive && (sdev->status != SBP_DEV_DEAD)) { 537 if (sdev->path != NULL) { 538 xpt_freeze_devq(sdev->path, 1); 539 } 540 sbp_abort_all_ocbs(sdev, CAM_REQUEUE_REQ); 541 switch (sdev->status) { 542 case SBP_DEV_ATTACHED: 543 sbp_mgm_orb(sdev, ORB_FUN_RCN); 544 break; 545 case SBP_DEV_RETRY: 546 sbp_probe_lun(sdev); 547 sbp_mgm_orb(sdev, ORB_FUN_LGI); 548 break; 549 default: 550 /* new or revived target */ 551 sbp_probe_lun(sdev); 552 if (auto_login) { 553 sdev->status = SBP_DEV_TOATTACH; 554 sbp_mgm_orb(sdev, ORB_FUN_LGI); 555 } 556 break; 557 } 558 sbp_show_sdev_info(sdev, 559 (sdev->status == SBP_DEV_TOATTACH)); 560 } else { 561 switch (sdev->status) { 562 case SBP_DEV_ATTACHED: 563SBP_DEBUG(0) 564 /* the device has gone */ 565 sbp_show_sdev_info(sdev, 2); 566 printf("lost target\n"); 567END_DEBUG 568 if (sdev->path) 569 xpt_freeze_devq(sdev->path, 1); 570 sdev->status = SBP_DEV_RETRY; 571 sbp_abort_all_ocbs(sdev, CAM_REQUEUE_REQ); 572 break; 573 case SBP_DEV_PROBE: 574 case SBP_DEV_TOATTACH: 575 sdev->status = SBP_DEV_RESET; 576 break; 577 case SBP_DEV_RETRY: 578 case SBP_DEV_RESET: 579 case SBP_DEV_DEAD: 580 break; 581 } 582 } 583 } 584} 585 586#if 0 587static void 588sbp_release_queue(void *arg) 589{ 590 struct sbp_softc *sbp; 591 592SBP_DEBUG(0) 593 printf("sbp_release_queue\n"); 594END_DEBUG 595 sbp = (struct sbp_softc *)arg; 596 xpt_release_simq(sbp->sim, 1); 597} 598 599static void 600sbp_release_devq(void *arg) 601{ 602 struct sbp_dev *sdev; 603 int s; 604 605 sdev = (struct sbp_dev *)arg; 606SBP_DEBUG(0) 607 sbp_show_sdev_info(sdev, 2); 608 printf("sbp_release_devq\n"); 609END_DEBUG 610 s = splcam(); 611 xpt_release_devq(sdev->path, 1, TRUE); 612 splx(s); 613} 614#endif 615 616static void 617sbp_post_explore(void *arg) 618{ 619 struct sbp_softc *sbp = (struct sbp_softc *)arg; 620 struct sbp_target *target; 621 struct fw_device *fwdev; 622 int i, alive; 623 624SBP_DEBUG(1) 625 printf("sbp_post_explore\n"); 626END_DEBUG 627#if 0 628 xpt_freeze_simq(sbp->sim, /*count*/ 1); 629#endif 630 /* Gabage Collection */ 631 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){ 632 target = &sbp->targets[i]; 633 for( fwdev = TAILQ_FIRST(&sbp->fd.fc->devices); 634 fwdev != NULL; fwdev = TAILQ_NEXT(fwdev, link)){ 635 if(target->fwdev == NULL) break; 636 if(target->fwdev == fwdev) break; 637 } 638 if(fwdev == NULL){ 639 /* device has removed in lower driver */ 640 sbp_detach_target(target); 641 } 642 } 643 /* traverse device list */ 644 for( fwdev = TAILQ_FIRST(&sbp->fd.fc->devices); 645 fwdev != NULL; fwdev = TAILQ_NEXT(fwdev, link)){ 646SBP_DEBUG(0) 647 printf("sbp_post_explore: EUI:%08x%08x ", 648 fwdev->eui.hi, fwdev->eui.lo); 649 if (fwdev->status == FWDEVATTACHED) { 650 printf("spec=%d key=%d.\n", 651 getcsrdata(fwdev, CSRKEY_SPEC) == CSRVAL_ANSIT10, 652 getcsrdata(fwdev, CSRKEY_VER) == CSRVAL_T10SBP2); 653 } else { 654 printf("not attached, state=%d.\n", fwdev->status); 655 } 656END_DEBUG 657 alive = (fwdev->status == FWDEVATTACHED) 658 && (getcsrdata(fwdev, CSRKEY_SPEC) == CSRVAL_ANSIT10) 659 && (getcsrdata(fwdev, CSRKEY_VER) == CSRVAL_T10SBP2); 660 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){ 661 target = &sbp->targets[i]; 662 if(target->fwdev == fwdev ) { 663 /* known target */ 664 break; 665 } 666 } 667 if(i == SBP_NUM_TARGETS){ 668 if (alive) { 669 /* new target */ 670 target = sbp_alloc_target(sbp, fwdev); 671 if (target == NULL) 672 continue; 673 } else { 674 continue; 675 } 676 } 677 sbp_probe_target(target, alive); 678 } 679#if 0 680 timeout(sbp_release_queue, (caddr_t)sbp, bus_reset_rest * hz / 1000); 681#endif 682} 683 684#if NEED_RESPONSE 685static void 686sbp_loginres_callback(struct fw_xfer *xfer){ 687SBP_DEBUG(1) 688 struct sbp_dev *sdev; 689 sdev = (struct sbp_dev *)xfer->sc; 690 sbp_show_sdev_info(sdev, 2); 691 printf("sbp_loginres_callback\n"); 692END_DEBUG 693 fw_xfer_free(xfer); 694 return; 695} 696#endif 697 698static void 699sbp_login_callback(struct fw_xfer *xfer) 700{ 701SBP_DEBUG(1) 702 struct sbp_dev *sdev; 703 sdev = (struct sbp_dev *)xfer->sc; 704 sbp_show_sdev_info(sdev, 2); 705 printf("sbp_login_callback\n"); 706END_DEBUG 707 fw_xfer_free(xfer); 708 return; 709} 710 711static void 712sbp_cmd_callback(struct fw_xfer *xfer) 713{ 714SBP_DEBUG(2) 715 struct sbp_dev *sdev; 716 sdev = (struct sbp_dev *)xfer->sc; 717 sbp_show_sdev_info(sdev, 2); 718 printf("sbp_cmd_callback\n"); 719END_DEBUG 720 fw_xfer_free(xfer); 721 return; 722} 723 724static void 725sbp_cam_callback(struct cam_periph *periph, union ccb *ccb) 726{ 727 struct sbp_dev *sdev; 728 sdev = (struct sbp_dev *) ccb->ccb_h.ccb_sdev_ptr; 729SBP_DEBUG(1) 730 sbp_show_sdev_info(sdev, 2); 731 printf("sbp_cam_callback\n"); 732END_DEBUG 733 sdev->status = SBP_DEV_ATTACHED; 734 free(ccb, M_SBP); 735} 736 737static void 738sbp_cam_scan_lun(struct sbp_dev *sdev) 739{ 740 union ccb *ccb = malloc(sizeof(union ccb), M_SBP, M_WAITOK | M_ZERO); 741 742SBP_DEBUG(0) 743 sbp_show_sdev_info(sdev, 2); 744 printf("sbp_cam_scan_lun\n"); 745END_DEBUG 746 xpt_setup_ccb(&ccb->ccb_h, sdev->path, 5/*priority (low)*/); 747 ccb->ccb_h.func_code = XPT_SCAN_LUN; 748 ccb->ccb_h.cbfcnp = sbp_cam_callback; 749 ccb->crcn.flags = CAM_FLAG_NONE; 750 ccb->ccb_h.ccb_sdev_ptr = sdev; 751 xpt_action(ccb); 752 753 /* The scan is in progress now. */ 754} 755 756 757static void 758sbp_ping_unit_callback(struct cam_periph *periph, union ccb *ccb) 759{ 760 struct sbp_dev *sdev; 761 sdev = (struct sbp_dev *) ccb->ccb_h.ccb_sdev_ptr; 762SBP_DEBUG(1) 763 sbp_show_sdev_info(sdev, 2); 764 printf("sbp_ping_unit_callback\n"); 765END_DEBUG 766 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 767 if (--ccb->ccb_h.retry_count == 0) { 768 sbp_show_sdev_info(sdev, 2); 769 printf("sbp_tur_callback: retry count exceeded\n"); 770 sdev->status = SBP_DEV_RETRY; 771 free(ccb, M_SBP); 772 } else { 773 /* requeue */ 774 xpt_action(ccb); 775 xpt_release_devq(sdev->path, 1, TRUE); 776 } 777 } else { 778 free(ccb->csio.data_ptr, M_SBP); 779 free(ccb, M_SBP); 780 sdev->status = SBP_DEV_ATTACHED; 781 xpt_release_devq(sdev->path, 1, TRUE); 782 } 783} 784 785/* 786 * XXX Some devices need to execute inquiry or read_capacity 787 * after bus_rest during busy transfer. 788 * Otherwise they return incorrect result for READ(and WRITE?) 789 * command without any SBP-II/SCSI error. 790 * 791 * e.g. Maxtor 3000XT, Yano A-dish. 792 */ 793static void 794sbp_ping_unit(struct sbp_dev *sdev) 795{ 796 union ccb *ccb; 797 struct scsi_inquiry_data *inq_buf; 798 799 ccb = malloc(sizeof(union ccb), M_SBP, M_WAITOK | M_ZERO); 800 inq_buf = (struct scsi_inquiry_data *) 801 malloc(sizeof(*inq_buf), M_SBP, M_WAITOK); 802 803SBP_DEBUG(1) 804 sbp_show_sdev_info(sdev, 2); 805 printf("sbp_ping_unit\n"); 806END_DEBUG 807 808 /* 809 * We need to execute this command before any other queued command. 810 * Make priority 0 and freeze queue after execution for retry. 811 * cam's scan_lun command doesn't provide this feature. 812 */ 813 xpt_setup_ccb(&ccb->ccb_h, sdev->path, 0/*priority (high)*/); 814 scsi_inquiry( 815 &ccb->csio, 816 /*retries*/ 5, 817 sbp_ping_unit_callback, 818 MSG_SIMPLE_Q_TAG, 819 (u_int8_t *)inq_buf, 820 SHORT_INQUIRY_LENGTH, 821 /*evpd*/FALSE, 822 /*page_code*/0, 823 SSD_MIN_SIZE, 824 /*timeout*/60000 825 ); 826 ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 827 xpt_action(ccb); 828} 829 830static void 831sbp_do_attach(struct fw_xfer *xfer) 832{ 833 struct sbp_dev *sdev; 834 835 sdev = (struct sbp_dev *)xfer->sc; 836SBP_DEBUG(0) 837 sbp_show_sdev_info(sdev, 2); 838 printf("sbp_do_attach\n"); 839END_DEBUG 840 fw_xfer_free(xfer); 841 if (sdev->path == NULL) 842 xpt_create_path(&sdev->path, xpt_periph, 843 cam_sim_path(sdev->target->sbp->sim), 844 sdev->target->target_id, sdev->lun_id); 845 846 if (sdev->status == SBP_DEV_RETRY) { 847 sdev->status = SBP_DEV_PROBE; 848 sbp_ping_unit(sdev); 849 /* freezed twice */ 850 xpt_release_devq(sdev->path, 1, TRUE); 851 } else { 852 sdev->status = SBP_DEV_PROBE; 853 sbp_cam_scan_lun(sdev); 854 } 855 xpt_release_devq(sdev->path, 1, TRUE); 856 return; 857} 858 859static void 860sbp_agent_reset_callback(struct fw_xfer *xfer) 861{ 862 struct sbp_dev *sdev; 863 864 sdev = (struct sbp_dev *)xfer->sc; 865SBP_DEBUG(1) 866 sbp_show_sdev_info(sdev, 2); 867 printf("sbp_cmd_callback\n"); 868END_DEBUG 869 fw_xfer_free(xfer); 870 sbp_abort_all_ocbs(sdev, CAM_REQUEUE_REQ); 871 if (sdev->path) 872 xpt_release_devq(sdev->path, 1, TRUE); 873} 874 875static void 876sbp_agent_reset(struct sbp_dev *sdev, int attach) 877{ 878 struct fw_xfer *xfer; 879 struct fw_pkt *fp; 880 881SBP_DEBUG(0) 882 sbp_show_sdev_info(sdev, 2); 883 printf("sbp_agent_reset\n"); 884END_DEBUG 885 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x04); 886 if (xfer == NULL) 887 return; 888 if (attach) 889 xfer->act.hand = sbp_do_attach; 890 else 891 xfer->act.hand = sbp_agent_reset_callback; 892 fp = (struct fw_pkt *)xfer->send.buf; 893 fp->mode.wreqq.data = htonl(0xf); 894 fw_asyreq(xfer->fc, -1, xfer); 895} 896 897static void 898sbp_busy_timeout_callback(struct fw_xfer *xfer) 899{ 900 struct sbp_dev *sdev; 901 902 sdev = (struct sbp_dev *)xfer->sc; 903SBP_DEBUG(1) 904 sbp_show_sdev_info(sdev, 2); 905 printf("sbp_but_timeout_callback\n"); 906END_DEBUG 907 fw_xfer_free(xfer); 908 sbp_agent_reset(sdev, 1); 909} 910 911static void 912sbp_busy_timeout(struct sbp_dev *sdev) 913{ 914 struct fw_pkt *fp; 915 struct fw_xfer *xfer; 916SBP_DEBUG(0) 917 sbp_show_sdev_info(sdev, 2); 918 printf("sbp_busy_timeout\n"); 919END_DEBUG 920 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 921 922 xfer->act.hand = sbp_busy_timeout_callback; 923 fp = (struct fw_pkt *)xfer->send.buf; 924 fp->mode.wreqq.dest_hi = htons(0xffff); 925 fp->mode.wreqq.dest_lo = htonl(0xf0000000 | BUS_TIME); 926 fp->mode.wreqq.data = htonl(0xf); 927 fw_asyreq(xfer->fc, -1, xfer); 928} 929 930#if 0 931static void 932sbp_reset_start(struct sbp_dev *sdev) 933{ 934 struct fw_xfer *xfer; 935 struct fw_pkt *fp; 936 937SBP_DEBUG(0) 938 sbp_show_sdev_info(sdev, 2); 939 printf("sbp_reset_start\n"); 940END_DEBUG 941 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 942 943 xfer->act.hand = sbp_busy_timeout; 944 fp = (struct fw_pkt *)xfer->send.buf; 945 fp->mode.wreqq.dest_hi = htons(0xffff); 946 fp->mode.wreqq.dest_lo = htonl(0xf0000000 | RESET_START); 947 fp->mode.wreqq.data = htonl(0xf); 948 fw_asyreq(xfer->fc, -1, xfer); 949} 950#endif 951 952static void 953sbp_orb_pointer(struct sbp_dev *sdev, struct sbp_ocb *ocb) 954{ 955 struct fw_xfer *xfer; 956 struct fw_pkt *fp; 957SBP_DEBUG(2) 958 sbp_show_sdev_info(sdev, 2); 959 printf("sbp_orb_pointer\n"); 960END_DEBUG 961 962 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0x08); 963 if (xfer == NULL) 964 return; 965 xfer->act.hand = sbp_cmd_callback; 966 967 fp = (struct fw_pkt *)xfer->send.buf; 968 fp->mode.wreqb.len = htons(8); 969 fp->mode.wreqb.extcode = 0; 970 fp->mode.wreqb.payload[0] = 971 htonl(((sdev->target->sbp->fd.fc->nodeid | FWLOCALBUS )<< 16)); 972 fp->mode.wreqb.payload[1] = htonl(vtophys(&ocb->orb[0])); 973 974 if(fw_asyreq(xfer->fc, -1, xfer) != 0){ 975 fw_xfer_free(xfer); 976 ocb->ccb->ccb_h.status = CAM_REQ_INVALID; 977 xpt_done(ocb->ccb); 978 } 979} 980 981static void 982sbp_doorbell(struct sbp_dev *sdev) 983{ 984 struct fw_xfer *xfer; 985 struct fw_pkt *fp; 986SBP_DEBUG(1) 987 sbp_show_sdev_info(sdev, 2); 988 printf("sbp_doorbell\n"); 989END_DEBUG 990 991 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x10); 992 if (xfer == NULL) 993 return; 994 xfer->act.hand = sbp_cmd_callback; 995 fp = (struct fw_pkt *)xfer->send.buf; 996 fp->mode.wreqq.data = htonl(0xf); 997 fw_asyreq(xfer->fc, -1, xfer); 998} 999 1000static struct fw_xfer * 1001sbp_write_cmd(struct sbp_dev *sdev, int tcode, int offset) 1002{ 1003 struct fw_xfer *xfer; 1004 struct fw_pkt *fp; 1005 1006 xfer = fw_xfer_alloc(); 1007 if(xfer == NULL){ 1008 return NULL; 1009 } 1010 if (tcode == FWTCODE_WREQQ) 1011 xfer->send.len = 16; 1012 else 1013 xfer->send.len = 24; 1014 1015 xfer->send.buf = malloc(xfer->send.len, M_DEVBUF, M_NOWAIT); 1016 if(xfer->send.buf == NULL){ 1017 fw_xfer_free( xfer); 1018 return NULL; 1019 } 1020 1021 xfer->send.off = 0; 1022 xfer->spd = min(sdev->target->fwdev->speed, max_speed); 1023 xfer->sc = (caddr_t)sdev; 1024 xfer->fc = sdev->target->sbp->fd.fc; 1025 xfer->retry_req = fw_asybusy; 1026 1027 fp = (struct fw_pkt *)xfer->send.buf; 1028 fp->mode.wreqq.dest_hi = htons(sdev->login.cmd_hi); 1029 fp->mode.wreqq.dest_lo = htonl(sdev->login.cmd_lo + offset); 1030 fp->mode.wreqq.tlrt = 0; 1031 fp->mode.wreqq.tcode = tcode; 1032 fp->mode.wreqq.pri = 0; 1033 xfer->dst = FWLOCALBUS | sdev->target->fwdev->dst; 1034 fp->mode.wreqq.dst = htons(xfer->dst); 1035 1036 return xfer; 1037 1038} 1039 1040static void 1041sbp_mgm_orb(struct sbp_dev *sdev, int func) 1042{ 1043 struct fw_xfer *xfer; 1044 struct fw_pkt *fp; 1045 struct sbp_ocb *ocb; 1046 int s, nid; 1047 1048 if ((ocb = sbp_get_ocb(sdev->target->sbp)) == NULL) { 1049 s = splfw(); 1050 sdev->target->sbp->flags |= SBP_RESOURCE_SHORTAGE; 1051 splx(s); 1052 return; 1053 } 1054 ocb->flags = OCB_ACT_MGM; 1055 ocb->sdev = sdev; 1056 ocb->ccb = NULL; 1057 1058 nid = sdev->target->sbp->fd.fc->nodeid | FWLOCALBUS; 1059 bzero((void *)(uintptr_t)(volatile void *)ocb->orb, sizeof(ocb->orb)); 1060 ocb->orb[6] = htonl((nid << 16) | SBP_BIND_HI); 1061 ocb->orb[7] = htonl(SBP_DEV2ADDR( 1062 device_get_unit(sdev->target->sbp->fd.dev), 1063 sdev->target->target_id, 1064 sdev->lun_id)); 1065 1066 sbp_show_sdev_info(sdev, 2); 1067 printf("%s\n", orb_fun_name[(func>>16)&0xf]); 1068 switch (func) { 1069 case ORB_FUN_LGI: 1070 ocb->orb[2] = htonl(nid << 16); 1071 ocb->orb[3] = htonl(vtophys(&sdev->login)); 1072 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_EXV | sdev->lun_id); 1073 ocb->orb[5] = htonl(sizeof(struct sbp_login_res)); 1074 break; 1075 case ORB_FUN_RCN: 1076 case ORB_FUN_LGO: 1077 case ORB_FUN_LUR: 1078 case ORB_FUN_RST: 1079 case ORB_FUN_ATA: 1080 case ORB_FUN_ATS: 1081 ocb->orb[4] = htonl(ORB_NOTIFY | func | sdev->login.id); 1082 break; 1083 } 1084 1085 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0); 1086 if(xfer == NULL){ 1087 return; 1088 } 1089 xfer->act.hand = sbp_login_callback; 1090 1091 fp = (struct fw_pkt *)xfer->send.buf; 1092 fp->mode.wreqb.dest_hi = htons(sdev->target->mgm_hi); 1093 fp->mode.wreqb.dest_lo = htonl(sdev->target->mgm_lo); 1094 fp->mode.wreqb.len = htons(8); 1095 fp->mode.wreqb.extcode = 0; 1096 fp->mode.wreqb.payload[0] = htonl(((sdev->target->sbp->fd.fc->nodeid | FWLOCALBUS )<< 16)); 1097 fp->mode.wreqb.payload[1] = htonl(vtophys(&ocb->orb[0])); 1098 sbp_enqueue_ocb(sdev, ocb); 1099 1100 fw_asyreq(xfer->fc, -1, xfer); 1101} 1102 1103static void 1104sbp_print_scsi_cmd(struct sbp_ocb *ocb) 1105{ 1106 struct ccb_scsiio *csio; 1107 1108 csio = &ocb->ccb->csio; 1109 printf("%s:%d:%d XPT_SCSI_IO: " 1110 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 1111 ", flags: 0x%02x, " 1112 "%db cmd/%db data/%db sense\n", 1113 device_get_nameunit(ocb->sdev->target->sbp->fd.dev), 1114 ocb->ccb->ccb_h.target_id, ocb->ccb->ccb_h.target_lun, 1115 csio->cdb_io.cdb_bytes[0], 1116 csio->cdb_io.cdb_bytes[1], 1117 csio->cdb_io.cdb_bytes[2], 1118 csio->cdb_io.cdb_bytes[3], 1119 csio->cdb_io.cdb_bytes[4], 1120 csio->cdb_io.cdb_bytes[5], 1121 csio->cdb_io.cdb_bytes[6], 1122 csio->cdb_io.cdb_bytes[7], 1123 csio->cdb_io.cdb_bytes[8], 1124 csio->cdb_io.cdb_bytes[9], 1125 ocb->ccb->ccb_h.flags & CAM_DIR_MASK, 1126 csio->cdb_len, csio->dxfer_len, 1127 csio->sense_len); 1128} 1129 1130static void 1131sbp_scsi_status(struct sbp_status *sbp_status, struct sbp_ocb *ocb) 1132{ 1133 struct sbp_cmd_status *sbp_cmd_status; 1134 struct scsi_sense_data *sense; 1135 1136 sbp_cmd_status = (struct sbp_cmd_status *)sbp_status->data; 1137 sense = &ocb->ccb->csio.sense_data; 1138 1139SBP_DEBUG(0) 1140 sbp_print_scsi_cmd(ocb); 1141 /* XXX need decode status */ 1142 sbp_show_sdev_info(ocb->sdev, 2); 1143 printf("SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d", 1144 sbp_cmd_status->status, 1145 sbp_cmd_status->sfmt, 1146 sbp_cmd_status->valid, 1147 sbp_cmd_status->s_key, 1148 sbp_cmd_status->s_code, 1149 sbp_cmd_status->s_qlfr, 1150 sbp_status->len 1151 ); 1152#if 0 /* XXX */ 1153 if (sbp_cmd_status->status == SCSI_STATUS_CHECK_COND) { 1154 printf(" %s\n", scsi_sense_key_text[sbp_cmd_status->s_key]); 1155 scsi_sense_desc( 1156 sbp_cmd_status->s_code, 1157 sbp_cmd_status->s_qlfr, 1158 ocb->ccb->ccb_h.path->device->inq_data 1159 ) 1160 } else { 1161 printf("\n"); 1162 } 1163#else 1164 printf("\n"); 1165#endif 1166END_DEBUG 1167 1168 1169 if(sbp_cmd_status->status == SCSI_STATUS_CHECK_COND || 1170 sbp_cmd_status->status == SCSI_STATUS_CMD_TERMINATED){ 1171 if(sbp_cmd_status->sfmt == SBP_SFMT_CURR){ 1172 sense->error_code = SSD_CURRENT_ERROR; 1173 }else{ 1174 sense->error_code = SSD_DEFERRED_ERROR; 1175 } 1176 if(sbp_cmd_status->valid) 1177 sense->error_code |= SSD_ERRCODE_VALID; 1178 sense->flags = sbp_cmd_status->s_key; 1179 if(sbp_cmd_status->mark) 1180 sense->flags |= SSD_FILEMARK; 1181 if(sbp_cmd_status->eom) 1182 sense->flags |= SSD_EOM; 1183 if(sbp_cmd_status->ill_len) 1184 sense->flags |= SSD_ILI; 1185 sense->info[0] = ntohl(sbp_cmd_status->info) & 0xff; 1186 sense->info[1] =(ntohl(sbp_cmd_status->info) >> 8) & 0xff; 1187 sense->info[2] =(ntohl(sbp_cmd_status->info) >> 16) & 0xff; 1188 sense->info[3] =(ntohl(sbp_cmd_status->info) >> 24) & 0xff; 1189 if (sbp_status->len <= 1) 1190 /* XXX not scsi status. shouldn't be happened */ 1191 sense->extra_len = 0; 1192 else if (sbp_status->len <= 4) 1193 /* add_sense_code(_qual), info, cmd_spec_info */ 1194 sense->extra_len = 6; 1195 else 1196 /* fru, sense_key_spec */ 1197 sense->extra_len = 10; 1198 sense->cmd_spec_info[0] = ntohl(sbp_cmd_status->cdb) & 0xff; 1199 sense->cmd_spec_info[1] = (ntohl(sbp_cmd_status->cdb) >> 8) & 0xff; 1200 sense->cmd_spec_info[2] = (ntohl(sbp_cmd_status->cdb) >> 16) & 0xff; 1201 sense->cmd_spec_info[3] = (ntohl(sbp_cmd_status->cdb) >> 24) & 0xff; 1202 sense->add_sense_code = sbp_cmd_status->s_code; 1203 sense->add_sense_code_qual = sbp_cmd_status->s_qlfr; 1204 sense->fru = sbp_cmd_status->fru; 1205 sense->sense_key_spec[0] = ntohl(sbp_cmd_status->s_keydep) & 0xff; 1206 sense->sense_key_spec[1] = (ntohl(sbp_cmd_status->s_keydep) >>8) & 0xff; 1207 sense->sense_key_spec[2] = (ntohl(sbp_cmd_status->s_keydep) >>16) & 0xff; 1208 1209 ocb->ccb->csio.scsi_status = sbp_cmd_status->status;; 1210 ocb->ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR 1211 | CAM_AUTOSNS_VALID; 1212/* 1213{ 1214 u_int8_t j, *tmp; 1215 tmp = sense; 1216 for( j = 0 ; j < 32 ; j+=8){ 1217 printf("sense %02x%02x %02x%02x %02x%02x %02x%02x\n", 1218 tmp[j], tmp[j+1], tmp[j+2], tmp[j+3], 1219 tmp[j+4], tmp[j+5], tmp[j+6], tmp[j+7]); 1220 } 1221 1222} 1223*/ 1224 } else { 1225 printf("sbp_scsi_status: unknown scsi status\n"); 1226 } 1227} 1228 1229static void 1230sbp_fix_inq_data(struct sbp_ocb *ocb) 1231{ 1232 union ccb *ccb; 1233 struct sbp_dev *sdev; 1234 struct scsi_inquiry_data *inq; 1235 1236 ccb = ocb->ccb; 1237 sdev = ocb->sdev; 1238 1239 if (ccb->csio.cdb_io.cdb_bytes[1] & SI_EVPD) 1240 return; 1241SBP_DEBUG(1) 1242 sbp_show_sdev_info(sdev, 2); 1243 printf("sbp_fix_inq_data\n"); 1244END_DEBUG 1245 inq = (struct scsi_inquiry_data *) ccb->csio.data_ptr; 1246 switch (SID_TYPE(inq)) { 1247 case T_DIRECT: 1248 /* 1249 * XXX Convert Direct Access device to RBC. 1250 * I've never seen Firewire DA devices which support READ_6. 1251 */ 1252#if 1 1253 if (SID_TYPE(inq) == T_DIRECT) 1254 inq->device |= T_RBC; /* T_DIRECT == 0 */ 1255#endif 1256 /* fall through */ 1257 case T_RBC: 1258 /* disable tag queuing */ 1259 inq->flags &= ~SID_CmdQue; 1260 /* 1261 * Override vendor/product/revision information. 1262 * Some devices sometimes return strange strings. 1263 */ 1264 bcopy(sdev->vendor, inq->vendor, sizeof(inq->vendor)); 1265 bcopy(sdev->product, inq->product, sizeof(inq->product)); 1266 bcopy(sdev->revision+2, inq->revision, sizeof(inq->revision)); 1267 break; 1268 } 1269} 1270 1271static void 1272sbp_recv1(struct fw_xfer *xfer){ 1273 struct fw_pkt *rfp; 1274#if NEED_RESPONSE 1275 struct fw_pkt *sfp; 1276#endif 1277 struct sbp_softc *sbp; 1278 struct sbp_dev *sdev; 1279 struct sbp_ocb *ocb; 1280 struct sbp_login_res *login_res = NULL; 1281 struct sbp_status *sbp_status; 1282 struct sbp_target *target; 1283 int orb_fun, status_valid; 1284 u_int32_t addr; 1285/* 1286 u_int32_t *ld; 1287 ld = xfer->recv.buf; 1288printf("sbp %x %d %d %08x %08x %08x %08x\n", 1289 xfer->resp, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3])); 1290printf("sbp %08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 1291printf("sbp %08x %08x %08x %08x\n", ntohl(ld[8]), ntohl(ld[9]), ntohl(ld[10]), ntohl(ld[11])); 1292*/ 1293 if(xfer->resp != 0){ 1294 printf("sbp_recv: xfer->resp != 0\n"); 1295 fw_xfer_free( xfer); 1296 return; 1297 } 1298 if(xfer->recv.buf == NULL){ 1299 printf("sbp_recv: xfer->recv.buf == NULL\n"); 1300 fw_xfer_free( xfer); 1301 return; 1302 } 1303 sbp = (struct sbp_softc *)xfer->sc; 1304 rfp = (struct fw_pkt *)xfer->recv.buf; 1305 if(rfp->mode.wreqb.tcode != FWTCODE_WREQB){ 1306 printf("sbp_recv: tcode = %d\n", rfp->mode.wreqb.tcode); 1307 fw_xfer_free( xfer); 1308 return; 1309 } 1310 sbp_status = (struct sbp_status *)rfp->mode.wreqb.payload; 1311 addr = ntohl(rfp->mode.wreqb.dest_lo); 1312SBP_DEBUG(2) 1313 printf("received address 0x%x\n", addr); 1314END_DEBUG 1315 target = &sbp->targets[SBP_ADDR2TRG(addr)]; 1316 sdev = &target->luns[SBP_ADDR2LUN(addr)]; 1317 1318 status_valid = (sbp_status->resp == ORB_RES_CMPL 1319 && sbp_status->dead == 0 1320 && sbp_status->status == 0); 1321 1322SBP_DEBUG(0) 1323 if (!status_valid || debug > 1){ 1324 int status; 1325 1326 sbp_show_sdev_info(sdev, 2); 1327 printf("ORB status src:%x resp:%x dead:%x" 1328 " len:%x stat:%x orb:%x%08x\n", 1329 sbp_status->src, sbp_status->resp, sbp_status->dead, 1330 sbp_status->len, sbp_status->status, 1331 ntohl(sbp_status->orb_hi), ntohl(sbp_status->orb_lo)); 1332 sbp_show_sdev_info(sdev, 2); 1333 status = sbp_status->status; 1334 switch(sbp_status->resp) { 1335 case 0: 1336 if (status > MAX_ORB_STATUS0) 1337 printf("%s\n", orb_status0[MAX_ORB_STATUS0]); 1338 else 1339 printf("%s\n", orb_status0[status]); 1340 break; 1341 case 1: 1342 printf("Object: %s, Serial Bus Error: %s\n", 1343 orb_status1_object[(status>>6) & 3], 1344 orb_status1_serial_bus_error[status & 0xf]); 1345 break; 1346 default: 1347 printf("unknown respose code\n"); 1348 } 1349 } 1350END_DEBUG 1351 ocb = sbp_dequeue_ocb(sdev, ntohl(sbp_status->orb_lo)); 1352 1353 /* we have to reset the fetch agent if it's dead */ 1354 if (sbp_status->dead) { 1355 if (sdev->path) 1356 xpt_freeze_devq(sdev->path, 1); 1357 sbp_agent_reset(sdev, 0); 1358 } 1359 1360 1361 if (ocb == NULL) { 1362 printf("No ocb on the queue for target %d.\n", sdev->target->target_id); 1363 fw_xfer_free( xfer); 1364 return; 1365 } 1366 1367 switch(ntohl(ocb->orb[4]) & ORB_FMT_MSK){ 1368 case ORB_FMT_NOP: 1369 break; 1370 case ORB_FMT_VED: 1371 break; 1372 case ORB_FMT_STD: 1373 switch(ocb->flags & OCB_ACT_MASK){ 1374 case OCB_ACT_MGM: 1375 orb_fun = ntohl(ocb->orb[4]) & ORB_FUN_MSK; 1376 switch(orb_fun) { 1377 case ORB_FUN_LGI: 1378 login_res = &sdev->login; 1379 login_res->len = ntohs(login_res->len); 1380 login_res->id = ntohs(login_res->id); 1381 login_res->cmd_hi = ntohs(login_res->cmd_hi); 1382 login_res->cmd_lo = ntohl(login_res->cmd_lo); 1383 if (status_valid) { 1384SBP_DEBUG(0) 1385sbp_show_sdev_info(sdev, 2); 1386printf("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)); 1387END_DEBUG 1388#if 1 1389 sbp_busy_timeout(sdev); 1390#else 1391 sbp_mgm_orb(sdev, ORB_FUN_ATS); 1392#endif 1393 } else { 1394 /* forgot logout ? */ 1395 printf("login failed\n"); 1396 sdev->status = SBP_DEV_RESET; 1397 } 1398 break; 1399 case ORB_FUN_RCN: 1400 login_res = &sdev->login; 1401 if (status_valid) { 1402 sdev->status = SBP_DEV_ATTACHED; 1403SBP_DEBUG(0) 1404sbp_show_sdev_info(sdev, 2); 1405printf("reconnect: len %d, ID %d, cmd %08x%08x\n", login_res->len, login_res->id, login_res->cmd_hi, login_res->cmd_lo); 1406END_DEBUG 1407#if 1 1408 sbp_ping_unit(sdev); 1409 xpt_release_devq(sdev->path, 1, TRUE); 1410#else 1411 sbp_mgm_orb(sdev, ORB_FUN_ATS); 1412#endif 1413 } else { 1414 /* reconnection hold time exceed? */ 1415 printf("reconnect failed\n"); 1416 sbp_mgm_orb(sdev, ORB_FUN_LGI); 1417 } 1418 break; 1419 case ORB_FUN_LGO: 1420 sdev->status = SBP_DEV_RESET; 1421 break; 1422 case ORB_FUN_LUR: 1423 case ORB_FUN_RST: 1424 case ORB_FUN_ATA: 1425 case ORB_FUN_ATS: 1426 if (sdev->status == SBP_DEV_ATTACHED) { 1427 xpt_release_devq(sdev->path, 1, TRUE); 1428 } else { 1429 sbp_busy_timeout(sdev); 1430 } 1431 break; 1432 default: 1433 break; 1434 } 1435 break; 1436 case OCB_ACT_CMD: 1437 if(ocb->ccb != NULL){ 1438 union ccb *ccb; 1439/* 1440 u_int32_t *ld; 1441 ld = ocb->ccb->csio.data_ptr; 1442 if(ld != NULL && ocb->ccb->csio.dxfer_len != 0) 1443 printf("ptr %08x %08x %08x %08x\n", ld[0], ld[1], ld[2], ld[3]); 1444 else 1445 printf("ptr NULL\n"); 1446printf("len %d\n", sbp_status->len); 1447*/ 1448 ccb = ocb->ccb; 1449 if(sbp_status->len > 1){ 1450 sbp_scsi_status(sbp_status, ocb); 1451 }else{ 1452 if(sbp_status->resp != ORB_RES_CMPL){ 1453 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1454 }else{ 1455 ccb->ccb_h.status = CAM_REQ_CMP; 1456 } 1457 } 1458 /* fix up inq data */ 1459 if (ccb->csio.cdb_io.cdb_bytes[0] == INQUIRY) 1460 sbp_fix_inq_data(ocb); 1461 xpt_done(ccb); 1462 } 1463 break; 1464 default: 1465 break; 1466 } 1467 } 1468 1469 if (!(ocb->flags & OCB_RESERVED)) 1470 sbp_free_ocb(sbp, ocb); 1471 1472/* The received packet is usually small enough to be stored within 1473 * the buffer. In that case, the controller return ack_complete and 1474 * no respose is necessary. 1475 * 1476 * XXX fwohci.c and firewire.c should inform event_code such as 1477 * ack_complete or ack_pending to upper driver. 1478 */ 1479#if NEED_RESPONSE 1480 xfer->send.buf = malloc(12, M_SBP, M_NOWAIT | M_ZERO); 1481 xfer->send.len = 12; 1482 xfer->send.off = 0; 1483 sfp = (struct fw_pkt *)xfer->send.buf; 1484 sfp->mode.wres.dst = rfp->mode.wreqb.src; 1485 xfer->dst = ntohs(sfp->mode.wres.dst); 1486 xfer->spd = min(sdev->target->fwdev->speed, max_speed); 1487 xfer->act.hand = sbp_loginres_callback; 1488 xfer->retry_req = fw_asybusy; 1489 1490 sfp->mode.wres.tlrt = rfp->mode.wreqb.tlrt; 1491 sfp->mode.wres.tcode = FWTCODE_WRES; 1492 sfp->mode.wres.rtcode = 0; 1493 sfp->mode.wres.pri = 0; 1494 1495 fw_asyreq(xfer->fc, -1, xfer); 1496#else 1497 fw_xfer_free(xfer); 1498#endif 1499 1500 return; 1501 1502} 1503 1504static void 1505sbp_recv(struct fw_xfer *xfer) 1506{ 1507 int s; 1508 1509 s = splcam(); 1510 sbp_recv1(xfer); 1511 splx(s); 1512} 1513/* 1514 * sbp_attach() 1515 */ 1516static int 1517sbp_attach(device_t dev) 1518{ 1519 struct sbp_softc *sbp; 1520 struct cam_devq *devq; 1521 struct fw_xfer *xfer; 1522 int i, s, error; 1523 1524SBP_DEBUG(0) 1525 printf("sbp_attach\n"); 1526END_DEBUG 1527 1528 sbp = ((struct sbp_softc *)device_get_softc(dev)); 1529 bzero(sbp, sizeof(struct sbp_softc)); 1530 sbp->fd.dev = dev; 1531 sbp->fd.fc = device_get_ivars(dev); 1532 error = bus_dma_tag_create(/*parent*/NULL, /*alignment*/1, 1533 /*boundary*/0, 1534 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, 1535 /*highaddr*/BUS_SPACE_MAXADDR, 1536 /*filter*/NULL, /*filterarg*/NULL, 1537 /*maxsize*/0x100000, /*nsegments*/SBP_IND_MAX, 1538 /*maxsegsz*/0x8000, 1539 /*flags*/BUS_DMA_ALLOCNOW, 1540 &sbp->dmat); 1541 if (error != 0) { 1542 printf("sbp_attach: Could not allocate DMA tag " 1543 "- error %d\n", error); 1544 return (ENOMEM); 1545 } 1546 1547 devq = cam_simq_alloc(/*maxopenings*/SBP_NUM_OCB); 1548 if (devq == NULL) 1549 return (ENXIO); 1550 1551 for( i = 0 ; i < SBP_NUM_TARGETS ; i++){ 1552 sbp->targets[i].fwdev = NULL; 1553 sbp->targets[i].luns = NULL; 1554 } 1555 1556 sbp->sim = cam_sim_alloc(sbp_action, sbp_poll, "sbp", sbp, 1557 device_get_unit(dev), 1558 /*untagged*/ SBP_QUEUE_LEN, 1559 /*tagged*/0, devq); 1560 1561 if (sbp->sim == NULL) { 1562 cam_simq_free(devq); 1563 return (ENXIO); 1564 } 1565 1566 sbp->ocb = (struct sbp_ocb *) contigmalloc( 1567 sizeof (struct sbp_ocb) * SBP_NUM_OCB, 1568 M_SBP, M_DONTWAIT, 0x10000, 0xffffffff, PAGE_SIZE, 0ul); 1569 bzero(sbp->ocb, sizeof (struct sbp_ocb) * SBP_NUM_OCB); 1570 1571 if (sbp->ocb == NULL) { 1572 printf("sbp0: ocb alloction failure\n"); 1573 return (ENOMEM); 1574 } 1575 1576 STAILQ_INIT(&sbp->free_ocbs); 1577 for (i = 0; i < SBP_NUM_OCB; i++) { 1578 sbp_free_ocb(sbp, &sbp->ocb[i]); 1579 } 1580 1581 if (xpt_bus_register(sbp->sim, /*bus*/0) != CAM_SUCCESS) { 1582 cam_sim_free(sbp->sim, /*free_devq*/TRUE); 1583 contigfree(sbp->ocb, sizeof (struct sbp_ocb) * SBP_NUM_OCB, 1584 M_SBP); 1585 return (ENXIO); 1586 } 1587 1588 xfer = fw_xfer_alloc(); 1589 xfer->act.hand = sbp_recv; 1590 xfer->act_type = FWACT_XFER; 1591#if NEED_RESPONSE 1592 xfer->fc = sbp->fd.fc; 1593#endif 1594 xfer->sc = (caddr_t)sbp; 1595 1596 sbp->fwb.start_hi = SBP_BIND_HI; 1597 sbp->fwb.start_lo = SBP_DEV2ADDR(device_get_unit(sbp->fd.dev), 0, 0); 1598 /* We reserve 16 bit space (4 bytes X 64 targets X 256 luns) */ 1599 sbp->fwb.addrlen = 0xffff; 1600 sbp->fwb.xfer = xfer; 1601 fw_bindadd(sbp->fd.fc, &sbp->fwb); 1602 1603 sbp->fd.post_explore = sbp_post_explore; 1604 s = splfw(); 1605 sbp_post_explore((void *)sbp); 1606 splx(s); 1607 1608 return (0); 1609} 1610 1611static int 1612sbp_detach(device_t dev) 1613{ 1614 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 1615 struct firewire_comm *fc = sbp->fd.fc; 1616 int i; 1617 1618SBP_DEBUG(0) 1619 printf("sbp_detach\n"); 1620END_DEBUG 1621 1622 /* bus reset for logout */ 1623 sbp->fd.post_explore = NULL; 1624 fc->ibr(fc); 1625 1626 contigfree(sbp->ocb, sizeof (struct sbp_ocb) * SBP_NUM_OCB, M_SBP); 1627 fw_bindremove(fc, &sbp->fwb); 1628 for (i = 0; i < SBP_NUM_TARGETS; i ++) 1629 sbp_detach_target(&sbp->targets[i]); 1630 xpt_bus_deregister(cam_sim_path(sbp->sim)); 1631 bus_dma_tag_destroy(sbp->dmat); 1632 return (0); 1633} 1634 1635static void 1636sbp_detach_target(struct sbp_target *target) 1637{ 1638 int i; 1639 struct sbp_dev *sdev; 1640 1641 if (target->luns != NULL) { 1642 printf("sbp_detach_target %d\n", target->target_id); 1643 for (i=0; i < target->num_lun; i++) { 1644 sdev = &target->luns[i]; 1645 if (sdev->status == SBP_DEV_RESET || 1646 sdev->status == SBP_DEV_DEAD) 1647 continue; 1648 if (sdev->path) 1649 xpt_async(AC_LOST_DEVICE, sdev->path, NULL); 1650 xpt_free_path(sdev->path); 1651 sdev->path = NULL; 1652 sbp_abort_all_ocbs(sdev, CAM_DEV_NOT_THERE); 1653 } 1654 free(target->luns, M_SBP); 1655 target->luns = NULL; 1656 } 1657 target->fwdev = NULL; 1658} 1659 1660static void 1661sbp_timeout(void *arg) 1662{ 1663 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 1664 struct sbp_dev *sdev = ocb->sdev; 1665 int s; 1666 1667 sbp_show_sdev_info(sdev, 2); 1668 printf("request timeout ... requeue\n"); 1669 1670 /* XXX need reset? */ 1671 1672 s = splfw(); 1673 sbp_abort_all_ocbs(sdev, CAM_CMD_TIMEOUT); 1674 splx(s); 1675 return; 1676} 1677 1678static void 1679sbp_action1(struct cam_sim *sim, union ccb *ccb) 1680{ 1681 1682 struct sbp_softc *sbp = (struct sbp_softc *)sim->softc; 1683 struct sbp_target *target = NULL; 1684 struct sbp_dev *sdev = NULL; 1685 1686 /* target:lun -> sdev mapping */ 1687 if (sbp != NULL 1688 && ccb->ccb_h.target_id != CAM_TARGET_WILDCARD 1689 && ccb->ccb_h.target_id < SBP_NUM_TARGETS) { 1690 target = &sbp->targets[ccb->ccb_h.target_id]; 1691 if (target->fwdev != NULL 1692 && ccb->ccb_h.target_lun != CAM_LUN_WILDCARD 1693 && ccb->ccb_h.target_lun < target->num_lun) { 1694 sdev = &target->luns[ccb->ccb_h.target_lun]; 1695 if (sdev->status != SBP_DEV_ATTACHED && 1696 sdev->status != SBP_DEV_PROBE) 1697 sdev = NULL; 1698 } 1699 } 1700 1701SBP_DEBUG(1) 1702 if (sdev == NULL) 1703 printf("invalid target %d lun %d\n", 1704 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 1705END_DEBUG 1706 1707 switch (ccb->ccb_h.func_code) { 1708 case XPT_SCSI_IO: 1709 case XPT_RESET_DEV: 1710 case XPT_GET_TRAN_SETTINGS: 1711 case XPT_SET_TRAN_SETTINGS: 1712 case XPT_CALC_GEOMETRY: 1713 if (sdev == NULL) { 1714SBP_DEBUG(1) 1715 printf("%s:%d:%d:func_code 0x%04x: " 1716 "Invalid target (target needed)\n", 1717 device_get_nameunit(sbp->fd.dev), 1718 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 1719 ccb->ccb_h.func_code); 1720END_DEBUG 1721 1722 ccb->ccb_h.status = CAM_TID_INVALID; 1723 xpt_done(ccb); 1724 return; 1725 } 1726 break; 1727 case XPT_PATH_INQ: 1728 case XPT_NOOP: 1729 /* The opcodes sometimes aimed at a target (sc is valid), 1730 * sometimes aimed at the SIM (sc is invalid and target is 1731 * CAM_TARGET_WILDCARD) 1732 */ 1733 if (sbp == NULL && 1734 ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) { 1735SBP_DEBUG(0) 1736 printf("%s:%d:%d func_code 0x%04x: " 1737 "Invalid target (no wildcard)\n", 1738 device_get_nameunit(sbp->fd.dev), 1739 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 1740 ccb->ccb_h.func_code); 1741END_DEBUG 1742 ccb->ccb_h.status = CAM_TID_INVALID; 1743 xpt_done(ccb); 1744 return; 1745 } 1746 break; 1747 default: 1748 /* XXX Hm, we should check the input parameters */ 1749 break; 1750 } 1751 1752 switch (ccb->ccb_h.func_code) { 1753 case XPT_SCSI_IO: 1754 { 1755 struct ccb_scsiio *csio; 1756 struct sbp_ocb *ocb; 1757 int s, speed; 1758 void *cdb; 1759 1760 csio = &ccb->csio; 1761 1762SBP_DEBUG(1) 1763 printf("%s:%d:%d XPT_SCSI_IO: " 1764 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 1765 ", flags: 0x%02x, " 1766 "%db cmd/%db data/%db sense\n", 1767 device_get_nameunit(sbp->fd.dev), 1768 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 1769 csio->cdb_io.cdb_bytes[0], 1770 csio->cdb_io.cdb_bytes[1], 1771 csio->cdb_io.cdb_bytes[2], 1772 csio->cdb_io.cdb_bytes[3], 1773 csio->cdb_io.cdb_bytes[4], 1774 csio->cdb_io.cdb_bytes[5], 1775 csio->cdb_io.cdb_bytes[6], 1776 csio->cdb_io.cdb_bytes[7], 1777 csio->cdb_io.cdb_bytes[8], 1778 csio->cdb_io.cdb_bytes[9], 1779 ccb->ccb_h.flags & CAM_DIR_MASK, 1780 csio->cdb_len, csio->dxfer_len, 1781 csio->sense_len); 1782END_DEBUG 1783 if(sdev == NULL){ 1784 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 1785 xpt_done(ccb); 1786 return; 1787 } 1788#if 0 1789 /* if we are in probe stage, pass only probe commands */ 1790 if (sdev->status == SBP_DEV_PROBE) { 1791 char *name; 1792 name = xpt_path_periph(ccb->ccb_h.path)->periph_name; 1793 printf("probe stage, periph name: %s\n", name); 1794 if (strcmp(name, "probe") != 0) { 1795 ccb->ccb_h.status = CAM_REQUEUE_REQ; 1796 xpt_done(ccb); 1797 return; 1798 } 1799 } 1800#endif 1801 if ((ocb = sbp_get_ocb(sbp)) == NULL) { 1802 s = splfw(); 1803 sbp->flags |= SBP_RESOURCE_SHORTAGE; 1804 splx(s); 1805 return; 1806 } 1807 ocb->flags = OCB_ACT_CMD; 1808 ocb->sdev = sdev; 1809 ocb->ccb = ccb; 1810 ccb->ccb_h.ccb_sdev_ptr = sdev; 1811 ocb->orb[0] = htonl(1 << 31); 1812 ocb->orb[1] = 0; 1813 ocb->orb[2] = htonl(((sbp->fd.fc->nodeid | FWLOCALBUS )<< 16) ); 1814 ocb->orb[3] = htonl(vtophys(ocb->ind_ptr)); 1815 speed = min(target->fwdev->speed, max_speed); 1816 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_CMD_SPD(speed) 1817 | ORB_CMD_MAXP(speed + 7)); 1818 if((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN){ 1819 ocb->orb[4] |= htonl(ORB_CMD_IN); 1820 } 1821 1822 if (csio->ccb_h.flags & CAM_SCATTER_VALID) 1823 printf("sbp: CAM_SCATTER_VALID\n"); 1824 if (csio->ccb_h.flags & CAM_DATA_PHYS) 1825 printf("sbp: CAM_DATA_PHYS\n"); 1826 1827 if (csio->ccb_h.flags & CAM_CDB_POINTER) 1828 cdb = (void *)csio->cdb_io.cdb_ptr; 1829 else 1830 cdb = (void *)&csio->cdb_io.cdb_bytes; 1831 bcopy(cdb, 1832 (void *)(uintptr_t)(volatile void *)&ocb->orb[5], 1833 csio->cdb_len); 1834/* 1835printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[0]), ntohl(ocb->orb[1]), ntohl(ocb->orb[2]), ntohl(ocb->orb[3])); 1836printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[4]), ntohl(ocb->orb[5]), ntohl(ocb->orb[6]), ntohl(ocb->orb[7])); 1837*/ 1838 if (ccb->csio.dxfer_len > 0) { 1839 int s; 1840 1841 if (bus_dmamap_create(sbp->dmat, 0, &ocb->dmamap)) { 1842 printf("sbp_action1: cannot create dmamap\n"); 1843 break; 1844 } 1845 1846 s = splsoftvm(); 1847 bus_dmamap_load(/*dma tag*/sbp->dmat, 1848 /*dma map*/ocb->dmamap, 1849 ccb->csio.data_ptr, 1850 ccb->csio.dxfer_len, 1851 sbp_execute_ocb, 1852 ocb, 1853 /*flags*/0); 1854 splx(s); 1855 } else 1856 sbp_execute_ocb(ocb, NULL, 0, 0); 1857 break; 1858 } 1859 case XPT_CALC_GEOMETRY: 1860 { 1861 struct ccb_calc_geometry *ccg; 1862 u_int32_t size_mb; 1863 u_int32_t secs_per_cylinder; 1864 int extended = 1; 1865 ccg = &ccb->ccg; 1866 1867 if (ccg->block_size == 0) { 1868 printf("sbp_action1: block_size is 0.\n"); 1869 ccb->ccb_h.status = CAM_REQ_INVALID; 1870 xpt_done(ccb); 1871 break; 1872 } 1873SBP_DEBUG(1) 1874 printf("%s:%d:%d:%d:XPT_CALC_GEOMETRY: " 1875 "Volume size = %d\n", 1876 device_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim), 1877 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 1878 ccg->volume_size); 1879END_DEBUG 1880 1881 size_mb = ccg->volume_size 1882 / ((1024L * 1024L) / ccg->block_size); 1883 1884 if (size_mb >= 1024 && extended) { 1885 ccg->heads = 255; 1886 ccg->secs_per_track = 63; 1887 } else { 1888 ccg->heads = 64; 1889 ccg->secs_per_track = 32; 1890 } 1891 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 1892 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 1893 ccb->ccb_h.status = CAM_REQ_CMP; 1894 xpt_done(ccb); 1895 break; 1896 } 1897 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 1898 { 1899 1900SBP_DEBUG(1) 1901 printf("%s:%d:XPT_RESET_BUS: \n", 1902 device_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim)); 1903END_DEBUG 1904 1905 ccb->ccb_h.status = CAM_REQ_INVALID; 1906 xpt_done(ccb); 1907 break; 1908 } 1909 case XPT_PATH_INQ: /* Path routing inquiry */ 1910 { 1911 struct ccb_pathinq *cpi = &ccb->cpi; 1912 1913SBP_DEBUG(1) 1914 printf("%s:%d:%d XPT_PATH_INQ:.\n", 1915 device_get_nameunit(sbp->fd.dev), 1916 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 1917END_DEBUG 1918 cpi->version_num = 1; /* XXX??? */ 1919 cpi->hba_inquiry = 0; 1920 cpi->target_sprt = 0; 1921 cpi->hba_misc = 0; 1922 cpi->hba_eng_cnt = 0; 1923 cpi->max_target = SBP_NUM_TARGETS - 1; 1924 cpi->max_lun = SBP_NUM_LUNS - 1; 1925 cpi->initiator_id = SBP_INITIATOR; 1926 cpi->bus_id = sim->bus_id; 1927 cpi->base_transfer_speed = 400 * 1000 / 8; 1928 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 1929 strncpy(cpi->hba_vid, "SBP", HBA_IDLEN); 1930 strncpy(cpi->dev_name, sim->sim_name, DEV_IDLEN); 1931 cpi->unit_number = sim->unit_number; 1932 1933 cpi->ccb_h.status = CAM_REQ_CMP; 1934 xpt_done(ccb); 1935 break; 1936 } 1937 case XPT_GET_TRAN_SETTINGS: 1938 { 1939 struct ccb_trans_settings *cts = &ccb->cts; 1940SBP_DEBUG(1) 1941 printf("%s:%d:%d XPT_GET_TRAN_SETTINGS:.\n", 1942 device_get_nameunit(sbp->fd.dev), 1943 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 1944END_DEBUG 1945 /* Disable disconnect and tagged queuing */ 1946 cts->valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID; 1947 cts->flags = 0; 1948 1949 cts->ccb_h.status = CAM_REQ_CMP; 1950 xpt_done(ccb); 1951 break; 1952 } 1953 case XPT_ABORT: 1954 ccb->ccb_h.status = CAM_UA_ABORT; 1955 xpt_done(ccb); 1956 break; 1957 default: 1958 ccb->ccb_h.status = CAM_REQ_INVALID; 1959 xpt_done(ccb); 1960 break; 1961 } 1962 return; 1963} 1964 1965static void 1966sbp_action(struct cam_sim *sim, union ccb *ccb) 1967{ 1968 int s; 1969 1970 s = splfw(); 1971 sbp_action1(sim, ccb); 1972 splx(s); 1973} 1974 1975static void 1976sbp_execute_ocb(void *arg, bus_dma_segment_t *segments, int seg, int error) 1977{ 1978 int i; 1979 struct sbp_ocb *ocb; 1980 struct sbp_ocb *prev; 1981 union ccb *ccb; 1982 bus_dma_segment_t *s; 1983 1984 if (error) 1985 printf("sbp_execute_ocb: error=%d\n", error); 1986 1987 ocb = (struct sbp_ocb *)arg; 1988 if (seg == 1) { 1989 /* direct pointer */ 1990 ocb->orb[3] = htonl(segments[0].ds_addr); 1991 ocb->orb[4] |= htonl(segments[0].ds_len); 1992 } else if(seg > 1) { 1993 /* page table */ 1994SBP_DEBUG(1) 1995 printf("sbp_execute_ocb: seg %d", seg); 1996 for (i = 0; i < seg; i++) 1997 printf(", %x:%d", segments[i].ds_addr, 1998 segments[i].ds_len); 1999 printf("\n"); 2000END_DEBUG 2001 for (i = 0; i < seg; i++) { 2002 s = &segments[i]; 2003#if 1 /* XXX LSI Logic "< 16 byte" bug might be hit */ 2004 if (s->ds_len < 16) 2005 printf("sbp_execute_ocb: warning, " 2006 "segment length(%d) is less than 16." 2007 "(seg=%d/%d)\n", s->ds_len, i+1, seg); 2008#endif 2009 ocb->ind_ptr[i].hi = htonl(s->ds_len << 16); 2010 ocb->ind_ptr[i].lo = htonl(s->ds_addr); 2011 } 2012 ocb->orb[4] |= htonl(ORB_CMD_PTBL | seg); 2013 } 2014 2015 ccb = ocb->ccb; 2016 prev = sbp_enqueue_ocb(ocb->sdev, ocb); 2017 if (prev) 2018 sbp_doorbell(ocb->sdev); 2019 else 2020 sbp_orb_pointer(ocb->sdev, ocb); 2021} 2022 2023static void 2024sbp_poll(struct cam_sim *sim) 2025{ 2026 /* should call fwohci_intr? */ 2027 return; 2028} 2029static struct sbp_ocb * 2030sbp_dequeue_ocb(struct sbp_dev *sdev, u_int32_t orb_lo) 2031{ 2032 struct sbp_ocb *ocb; 2033 struct sbp_ocb *next; 2034 int s = splfw(), order = 0; 2035 int flags; 2036 2037 for (ocb = STAILQ_FIRST(&sdev->ocbs); ocb != NULL; ocb = next) { 2038 next = STAILQ_NEXT(ocb, ocb); 2039 flags = ocb->flags; 2040SBP_DEBUG(1) 2041 printf("orb: 0x%x next: 0x%x, flags %x\n", 2042 vtophys(&ocb->orb[0]), ntohl(ocb->orb[1]), flags); 2043END_DEBUG 2044 if (vtophys(&ocb->orb[0]) == orb_lo) { 2045 /* found */ 2046 if (ocb->flags & OCB_RESERVED) 2047 ocb->flags |= OCB_DONE; 2048 else 2049 STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb); 2050 if (ocb->ccb != NULL) 2051 untimeout(sbp_timeout, (caddr_t)ocb, 2052 ocb->ccb->ccb_h.timeout_ch); 2053 if (ocb->dmamap != NULL) { 2054 bus_dmamap_destroy(sdev->target->sbp->dmat, 2055 ocb->dmamap); 2056 ocb->dmamap = NULL; 2057 } 2058 break; 2059 } else { 2060 if ((ocb->flags & OCB_RESERVED) && 2061 (ocb->flags & OCB_DONE)) { 2062 /* next orb must be fetched already */ 2063 STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb); 2064 sbp_free_ocb(sdev->target->sbp, ocb); 2065 } else 2066 order ++; 2067 } 2068 } 2069 splx(s); 2070SBP_DEBUG(0) 2071 if (ocb && order > 0) { 2072 sbp_show_sdev_info(sdev, 2); 2073 printf("unordered execution order:%d\n", order); 2074 } 2075END_DEBUG 2076 return (ocb); 2077} 2078 2079static struct sbp_ocb * 2080sbp_enqueue_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 2081{ 2082 int s = splfw(); 2083 struct sbp_ocb *prev; 2084 2085SBP_DEBUG(2) 2086 sbp_show_sdev_info(sdev, 2); 2087 printf("sbp_enqueue_ocb orb=0x%x in physical memory\n", vtophys(&ocb->orb[0])); 2088END_DEBUG 2089 prev = STAILQ_LAST(&sdev->ocbs, sbp_ocb, ocb); 2090 STAILQ_INSERT_TAIL(&sdev->ocbs, ocb, ocb); 2091 2092 if (ocb->ccb != NULL) 2093 ocb->ccb->ccb_h.timeout_ch = timeout(sbp_timeout, (caddr_t)ocb, 2094 (ocb->ccb->ccb_h.timeout * hz) / 1000); 2095 2096 if (prev != NULL 2097 && ((prev->flags & OCB_ACT_MASK) == OCB_ACT_CMD) 2098 && ((ocb->flags & OCB_ACT_MASK) == OCB_ACT_CMD)) { 2099SBP_DEBUG(1) 2100 printf("linking chain 0x%x -> 0x%x\n", vtophys(&prev->orb[0]), 2101 vtophys(&ocb->orb[0])); 2102END_DEBUG 2103 prev->flags |= OCB_RESERVED; 2104 prev->orb[1] = htonl(vtophys(&ocb->orb[0])); 2105 prev->orb[0] = 0; 2106 } else { 2107 prev = NULL; 2108 } 2109 splx(s); 2110 2111 return prev; 2112} 2113 2114static struct sbp_ocb * 2115sbp_get_ocb(struct sbp_softc *sbp) 2116{ 2117 struct sbp_ocb *ocb; 2118 int s = splfw(); 2119 ocb = STAILQ_FIRST(&sbp->free_ocbs); 2120 if (ocb == NULL) { 2121 printf("ocb shortage!!!\n"); 2122 return NULL; 2123 } 2124 STAILQ_REMOVE(&sbp->free_ocbs, ocb, sbp_ocb, ocb); 2125 splx(s); 2126 ocb->ccb = NULL; 2127 return (ocb); 2128} 2129 2130static void 2131sbp_free_ocb(struct sbp_softc *sbp, struct sbp_ocb *ocb) 2132{ 2133#if 0 /* XXX make sure that ocb has ccb */ 2134 if ((sbp->flags & SBP_RESOURCE_SHORTAGE) != 0 && 2135 (ocb->ccb->ccb_h.status & CAM_RELEASE_SIMQ) == 0) { 2136 ocb->ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 2137 sbp->flags &= ~SBP_RESOURCE_SHORTAGE; 2138 } 2139#else 2140 if ((sbp->flags & SBP_RESOURCE_SHORTAGE) != 0) 2141 sbp->flags &= ~SBP_RESOURCE_SHORTAGE; 2142#endif 2143 ocb->flags = 0; 2144 ocb->ccb = NULL; 2145 STAILQ_INSERT_TAIL(&sbp->free_ocbs, ocb, ocb); 2146} 2147 2148static void 2149sbp_abort_ocb(struct sbp_ocb *ocb, int status) 2150{ 2151 struct sbp_dev *sdev; 2152 2153 sdev = ocb->sdev; 2154SBP_DEBUG(0) 2155 sbp_show_sdev_info(sdev, 2); 2156 printf("sbp_abort_ocb 0x%x\n", status); 2157 if (ocb->ccb != NULL) 2158 sbp_print_scsi_cmd(ocb); 2159END_DEBUG 2160 if (ocb->ccb != NULL && !(ocb->flags & OCB_DONE)) { 2161 if (status != CAM_CMD_TIMEOUT) 2162 untimeout(sbp_timeout, (caddr_t)ocb, 2163 ocb->ccb->ccb_h.timeout_ch); 2164 ocb->ccb->ccb_h.status = status; 2165 xpt_done(ocb->ccb); 2166 } 2167 if (ocb->dmamap != NULL) { 2168 bus_dmamap_destroy(sdev->target->sbp->dmat, ocb->dmamap); 2169 ocb->dmamap = NULL; 2170 } 2171 sbp_free_ocb(sdev->target->sbp, ocb); 2172} 2173 2174static void 2175sbp_abort_all_ocbs(struct sbp_dev *sdev, int status) 2176{ 2177 int s; 2178 struct sbp_ocb *ocb, *next; 2179 STAILQ_HEAD(, sbp_ocb) temp; 2180 2181 s = splfw(); 2182 2183 bcopy(&sdev->ocbs, &temp, sizeof(temp)); 2184 STAILQ_INIT(&sdev->ocbs); 2185 for (ocb = STAILQ_FIRST(&temp); ocb != NULL; ocb = next) { 2186 next = STAILQ_NEXT(ocb, ocb); 2187 sbp_abort_ocb(ocb, status); 2188 } 2189 2190 splx(s); 2191} 2192 2193static devclass_t sbp_devclass; 2194 2195static device_method_t sbp_methods[] = { 2196 /* device interface */ 2197 DEVMETHOD(device_identify, sbp_identify), 2198 DEVMETHOD(device_probe, sbp_probe), 2199 DEVMETHOD(device_attach, sbp_attach), 2200 DEVMETHOD(device_detach, sbp_detach), 2201 2202 { 0, 0 } 2203}; 2204 2205static driver_t sbp_driver = { 2206 "sbp", 2207 sbp_methods, 2208 sizeof(struct sbp_softc), 2209}; 2210DRIVER_MODULE(sbp, firewire, sbp_driver, sbp_devclass, 0, 0); 2211MODULE_VERSION(sbp, 1); 2212MODULE_DEPEND(sbp, firewire, 1, 1, 1); 2213MODULE_DEPEND(sbp, cam, 1, 1, 1); 2214