sbp.c revision 105633
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 105633 2002-10-21 15:36:59Z 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_scsi_status(struct sbp_status *sbp_status, struct sbp_ocb *ocb) 1105{ 1106 struct sbp_cmd_status *sbp_cmd_status; 1107 struct scsi_sense_data *sense; 1108 struct ccb_scsiio *csio; 1109 1110 1111 sbp_cmd_status = (struct sbp_cmd_status *)sbp_status->data; 1112 sense = &ocb->ccb->csio.sense_data; 1113 1114SBP_DEBUG(0) 1115 csio = &ocb->ccb->csio; 1116 printf("%s:%d:%d XPT_SCSI_IO: " 1117 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 1118 ", flags: 0x%02x, " 1119 "%db cmd/%db data/%db sense\n", 1120 device_get_nameunit(ocb->sdev->target->sbp->fd.dev), 1121 ocb->ccb->ccb_h.target_id, ocb->ccb->ccb_h.target_lun, 1122 csio->cdb_io.cdb_bytes[0], 1123 csio->cdb_io.cdb_bytes[1], 1124 csio->cdb_io.cdb_bytes[2], 1125 csio->cdb_io.cdb_bytes[3], 1126 csio->cdb_io.cdb_bytes[4], 1127 csio->cdb_io.cdb_bytes[5], 1128 csio->cdb_io.cdb_bytes[6], 1129 csio->cdb_io.cdb_bytes[7], 1130 csio->cdb_io.cdb_bytes[8], 1131 csio->cdb_io.cdb_bytes[9], 1132 ocb->ccb->ccb_h.flags & CAM_DIR_MASK, 1133 csio->cdb_len, csio->dxfer_len, 1134 csio->sense_len); 1135 /* XXX need decode status */ 1136 sbp_show_sdev_info(ocb->sdev, 2); 1137 printf("SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d", 1138 sbp_cmd_status->status, 1139 sbp_cmd_status->sfmt, 1140 sbp_cmd_status->valid, 1141 sbp_cmd_status->s_key, 1142 sbp_cmd_status->s_code, 1143 sbp_cmd_status->s_qlfr, 1144 sbp_status->len 1145 ); 1146#if 0 /* XXX */ 1147 if (sbp_cmd_status->status == SCSI_STATUS_CHECK_COND) { 1148 printf(" %s\n", scsi_sense_key_text[sbp_cmd_status->s_key]); 1149 scsi_sense_desc( 1150 sbp_cmd_status->s_code, 1151 sbp_cmd_status->s_qlfr, 1152 ocb->ccb->ccb_h.path->device->inq_data 1153 ) 1154 } else { 1155 printf("\n"); 1156 } 1157#else 1158 printf("\n"); 1159#endif 1160END_DEBUG 1161 1162 1163 if(sbp_cmd_status->status == SCSI_STATUS_CHECK_COND || 1164 sbp_cmd_status->status == SCSI_STATUS_CMD_TERMINATED){ 1165 if(sbp_cmd_status->sfmt == SBP_SFMT_CURR){ 1166 sense->error_code = SSD_CURRENT_ERROR; 1167 }else{ 1168 sense->error_code = SSD_DEFERRED_ERROR; 1169 } 1170 if(sbp_cmd_status->valid) 1171 sense->error_code |= SSD_ERRCODE_VALID; 1172 sense->flags = sbp_cmd_status->s_key; 1173 if(sbp_cmd_status->mark) 1174 sense->flags |= SSD_FILEMARK; 1175 if(sbp_cmd_status->eom) 1176 sense->flags |= SSD_EOM; 1177 if(sbp_cmd_status->ill_len) 1178 sense->flags |= SSD_ILI; 1179 sense->info[0] = ntohl(sbp_cmd_status->info) & 0xff; 1180 sense->info[1] =(ntohl(sbp_cmd_status->info) >> 8) & 0xff; 1181 sense->info[2] =(ntohl(sbp_cmd_status->info) >> 16) & 0xff; 1182 sense->info[3] =(ntohl(sbp_cmd_status->info) >> 24) & 0xff; 1183 if (sbp_status->len <= 1) 1184 /* XXX not scsi status. shouldn't be happened */ 1185 sense->extra_len = 0; 1186 else if (sbp_status->len <= 4) 1187 /* add_sense_code(_qual), info, cmd_spec_info */ 1188 sense->extra_len = 6; 1189 else 1190 /* fru, sense_key_spec */ 1191 sense->extra_len = 10; 1192 sense->cmd_spec_info[0] = ntohl(sbp_cmd_status->cdb) & 0xff; 1193 sense->cmd_spec_info[1] = (ntohl(sbp_cmd_status->cdb) >> 8) & 0xff; 1194 sense->cmd_spec_info[2] = (ntohl(sbp_cmd_status->cdb) >> 16) & 0xff; 1195 sense->cmd_spec_info[3] = (ntohl(sbp_cmd_status->cdb) >> 24) & 0xff; 1196 sense->add_sense_code = sbp_cmd_status->s_code; 1197 sense->add_sense_code_qual = sbp_cmd_status->s_qlfr; 1198 sense->fru = sbp_cmd_status->fru; 1199 sense->sense_key_spec[0] = ntohl(sbp_cmd_status->s_keydep) & 0xff; 1200 sense->sense_key_spec[1] = (ntohl(sbp_cmd_status->s_keydep) >>8) & 0xff; 1201 sense->sense_key_spec[2] = (ntohl(sbp_cmd_status->s_keydep) >>16) & 0xff; 1202 1203 ocb->ccb->csio.scsi_status = sbp_cmd_status->status;; 1204 ocb->ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR 1205 | CAM_AUTOSNS_VALID; 1206/* 1207{ 1208 u_int8_t j, *tmp; 1209 tmp = sense; 1210 for( j = 0 ; j < 32 ; j+=8){ 1211 printf("sense %02x%02x %02x%02x %02x%02x %02x%02x\n", 1212 tmp[j], tmp[j+1], tmp[j+2], tmp[j+3], 1213 tmp[j+4], tmp[j+5], tmp[j+6], tmp[j+7]); 1214 } 1215 1216} 1217*/ 1218 } else { 1219 printf("sbp_scsi_status: unknown scsi status\n"); 1220 } 1221} 1222 1223static void 1224sbp_fix_inq_data(struct sbp_ocb *ocb) 1225{ 1226 union ccb *ccb; 1227 struct sbp_dev *sdev; 1228 struct scsi_inquiry_data *inq; 1229 1230 ccb = ocb->ccb; 1231 sdev = ocb->sdev; 1232 1233 if (ccb->csio.cdb_io.cdb_bytes[1] & SI_EVPD) 1234 return; 1235SBP_DEBUG(1) 1236 sbp_show_sdev_info(sdev, 2); 1237 printf("sbp_fix_inq_data\n"); 1238END_DEBUG 1239 inq = (struct scsi_inquiry_data *) ccb->csio.data_ptr; 1240 switch (SID_TYPE(inq)) { 1241 case T_DIRECT: 1242 /* 1243 * XXX Convert Direct Access device to RBC. 1244 * I've never seen Firewire DA devices which support READ_6. 1245 */ 1246#if 1 1247 if (SID_TYPE(inq) == T_DIRECT) 1248 inq->device |= T_RBC; /* T_DIRECT == 0 */ 1249#endif 1250 /* fall through */ 1251 case T_RBC: 1252 /* disable tag queuing */ 1253 inq->flags &= ~SID_CmdQue; 1254 /* 1255 * Override vendor/product/revision information. 1256 * Some devices sometimes return strange strings. 1257 */ 1258 bcopy(sdev->vendor, inq->vendor, sizeof(inq->vendor)); 1259 bcopy(sdev->product, inq->product, sizeof(inq->product)); 1260 bcopy(sdev->revision+2, inq->revision, sizeof(inq->revision)); 1261 break; 1262 } 1263} 1264 1265static void 1266sbp_recv1(struct fw_xfer *xfer){ 1267 struct fw_pkt *rfp; 1268#if NEED_RESPONSE 1269 struct fw_pkt *sfp; 1270#endif 1271 struct sbp_softc *sbp; 1272 struct sbp_dev *sdev; 1273 struct sbp_ocb *ocb; 1274 struct sbp_login_res *login_res = NULL; 1275 struct sbp_status *sbp_status; 1276 struct sbp_target *target; 1277 int orb_fun, status_valid; 1278 u_int32_t addr; 1279/* 1280 u_int32_t *ld; 1281 ld = xfer->recv.buf; 1282printf("sbp %x %d %d %08x %08x %08x %08x\n", 1283 xfer->resp, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3])); 1284printf("sbp %08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 1285printf("sbp %08x %08x %08x %08x\n", ntohl(ld[8]), ntohl(ld[9]), ntohl(ld[10]), ntohl(ld[11])); 1286*/ 1287 if(xfer->resp != 0){ 1288 printf("sbp_recv: xfer->resp != 0\n"); 1289 fw_xfer_free( xfer); 1290 return; 1291 } 1292 if(xfer->recv.buf == NULL){ 1293 printf("sbp_recv: xfer->recv.buf == NULL\n"); 1294 fw_xfer_free( xfer); 1295 return; 1296 } 1297 sbp = (struct sbp_softc *)xfer->sc; 1298 rfp = (struct fw_pkt *)xfer->recv.buf; 1299 if(rfp->mode.wreqb.tcode != FWTCODE_WREQB){ 1300 printf("sbp_recv: tcode = %d\n", rfp->mode.wreqb.tcode); 1301 fw_xfer_free( xfer); 1302 return; 1303 } 1304 sbp_status = (struct sbp_status *)rfp->mode.wreqb.payload; 1305 addr = ntohl(rfp->mode.wreqb.dest_lo); 1306SBP_DEBUG(2) 1307 printf("received address 0x%x\n", addr); 1308END_DEBUG 1309 target = &sbp->targets[SBP_ADDR2TRG(addr)]; 1310 sdev = &target->luns[SBP_ADDR2LUN(addr)]; 1311 1312 status_valid = (sbp_status->resp == ORB_RES_CMPL 1313 && sbp_status->dead == 0 1314 && sbp_status->status == 0); 1315 1316SBP_DEBUG(0) 1317 if (!status_valid || debug > 1){ 1318 int status; 1319 1320 sbp_show_sdev_info(sdev, 2); 1321 printf("ORB status src:%x resp:%x dead:%x" 1322 " len:%x stat:%x orb:%x%08x\n", 1323 sbp_status->src, sbp_status->resp, sbp_status->dead, 1324 sbp_status->len, sbp_status->status, 1325 ntohl(sbp_status->orb_hi), ntohl(sbp_status->orb_lo)); 1326 sbp_show_sdev_info(sdev, 2); 1327 status = sbp_status->status; 1328 switch(sbp_status->resp) { 1329 case 0: 1330 if (status > MAX_ORB_STATUS0) 1331 printf("%s\n", orb_status0[MAX_ORB_STATUS0]); 1332 else 1333 printf("%s\n", orb_status0[status]); 1334 break; 1335 case 1: 1336 printf("Object: %s, Serial Bus Error: %s\n", 1337 orb_status1_object[(status>>6) & 3], 1338 orb_status1_serial_bus_error[status & 0xf]); 1339 break; 1340 default: 1341 printf("unknown respose code\n"); 1342 } 1343 } 1344END_DEBUG 1345 ocb = sbp_dequeue_ocb(sdev, ntohl(sbp_status->orb_lo)); 1346 1347 /* we have to reset the fetch agent if it's dead */ 1348 if (sbp_status->dead) { 1349 if (sdev->path) 1350 xpt_freeze_devq(sdev->path, 1); 1351 sbp_agent_reset(sdev, 0); 1352 } 1353 1354 1355 if (ocb == NULL) { 1356 printf("No ocb on the queue for target %d.\n", sdev->target->target_id); 1357 fw_xfer_free( xfer); 1358 return; 1359 } 1360 1361 switch(ntohl(ocb->orb[4]) & ORB_FMT_MSK){ 1362 case ORB_FMT_NOP: 1363 break; 1364 case ORB_FMT_VED: 1365 break; 1366 case ORB_FMT_STD: 1367 switch(ocb->flags & OCB_ACT_MASK){ 1368 case OCB_ACT_MGM: 1369 orb_fun = ntohl(ocb->orb[4]) & ORB_FUN_MSK; 1370 switch(orb_fun) { 1371 case ORB_FUN_LGI: 1372 login_res = &sdev->login; 1373 login_res->len = ntohs(login_res->len); 1374 login_res->id = ntohs(login_res->id); 1375 login_res->cmd_hi = ntohs(login_res->cmd_hi); 1376 login_res->cmd_lo = ntohl(login_res->cmd_lo); 1377 if (status_valid) { 1378SBP_DEBUG(0) 1379sbp_show_sdev_info(sdev, 2); 1380printf("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)); 1381END_DEBUG 1382#if 1 1383 sbp_busy_timeout(sdev); 1384#else 1385 sbp_mgm_orb(sdev, ORB_FUN_ATS); 1386#endif 1387 } else { 1388 /* forgot logout ? */ 1389 printf("login failed\n"); 1390 sdev->status = SBP_DEV_RESET; 1391 } 1392 break; 1393 case ORB_FUN_RCN: 1394 login_res = &sdev->login; 1395 if (status_valid) { 1396 sdev->status = SBP_DEV_ATTACHED; 1397SBP_DEBUG(0) 1398sbp_show_sdev_info(sdev, 2); 1399printf("reconnect: len %d, ID %d, cmd %08x%08x\n", login_res->len, login_res->id, login_res->cmd_hi, login_res->cmd_lo); 1400END_DEBUG 1401#if 1 1402 sbp_ping_unit(sdev); 1403 xpt_release_devq(sdev->path, 1, TRUE); 1404#else 1405 sbp_mgm_orb(sdev, ORB_FUN_ATS); 1406#endif 1407 } else { 1408 /* reconnection hold time exceed? */ 1409 printf("reconnect failed\n"); 1410 sbp_mgm_orb(sdev, ORB_FUN_LGI); 1411 } 1412 break; 1413 case ORB_FUN_LGO: 1414 sdev->status = SBP_DEV_RESET; 1415 break; 1416 case ORB_FUN_LUR: 1417 case ORB_FUN_RST: 1418 case ORB_FUN_ATA: 1419 case ORB_FUN_ATS: 1420 if (sdev->status == SBP_DEV_ATTACHED) { 1421 xpt_release_devq(sdev->path, 1, TRUE); 1422 } else { 1423 sbp_busy_timeout(sdev); 1424 } 1425 break; 1426 default: 1427 break; 1428 } 1429 break; 1430 case OCB_ACT_CMD: 1431 if(ocb->ccb != NULL){ 1432 union ccb *ccb; 1433/* 1434 u_int32_t *ld; 1435 ld = ocb->ccb->csio.data_ptr; 1436 if(ld != NULL && ocb->ccb->csio.dxfer_len != 0) 1437 printf("ptr %08x %08x %08x %08x\n", ld[0], ld[1], ld[2], ld[3]); 1438 else 1439 printf("ptr NULL\n"); 1440printf("len %d\n", sbp_status->len); 1441*/ 1442 ccb = ocb->ccb; 1443 if(sbp_status->len > 1){ 1444 sbp_scsi_status(sbp_status, ocb); 1445 }else{ 1446 if(sbp_status->resp != ORB_RES_CMPL){ 1447 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1448 }else{ 1449 ccb->ccb_h.status = CAM_REQ_CMP; 1450 } 1451 } 1452 /* fix up inq data */ 1453 if (ccb->csio.cdb_io.cdb_bytes[0] == INQUIRY) 1454 sbp_fix_inq_data(ocb); 1455 xpt_done(ccb); 1456 } 1457 break; 1458 default: 1459 break; 1460 } 1461 } 1462 1463 if (!(ocb->flags & OCB_RESERVED)) 1464 sbp_free_ocb(sbp, ocb); 1465 1466/* The received packet is usually small enough to be stored within 1467 * the buffer. In that case, the controller return ack_complete and 1468 * no respose is necessary. 1469 * 1470 * XXX fwohci.c and firewire.c should inform event_code such as 1471 * ack_complete or ack_pending to upper driver. 1472 */ 1473#if NEED_RESPONSE 1474 xfer->send.buf = malloc(12, M_SBP, M_NOWAIT | M_ZERO); 1475 xfer->send.len = 12; 1476 xfer->send.off = 0; 1477 sfp = (struct fw_pkt *)xfer->send.buf; 1478 sfp->mode.wres.dst = rfp->mode.wreqb.src; 1479 xfer->dst = ntohs(sfp->mode.wres.dst); 1480 xfer->spd = min(sdev->target->fwdev->speed, max_speed); 1481 xfer->act.hand = sbp_loginres_callback; 1482 xfer->retry_req = fw_asybusy; 1483 1484 sfp->mode.wres.tlrt = rfp->mode.wreqb.tlrt; 1485 sfp->mode.wres.tcode = FWTCODE_WRES; 1486 sfp->mode.wres.rtcode = 0; 1487 sfp->mode.wres.pri = 0; 1488 1489 fw_asyreq(xfer->fc, -1, xfer); 1490#else 1491 fw_xfer_free(xfer); 1492#endif 1493 1494 return; 1495 1496} 1497 1498static void 1499sbp_recv(struct fw_xfer *xfer) 1500{ 1501 int s; 1502 1503 s = splcam(); 1504 sbp_recv1(xfer); 1505 splx(s); 1506} 1507/* 1508 * sbp_attach() 1509 */ 1510static int 1511sbp_attach(device_t dev) 1512{ 1513 struct sbp_softc *sbp; 1514 struct cam_devq *devq; 1515 struct fw_xfer *xfer; 1516 int i, s, error; 1517 1518SBP_DEBUG(0) 1519 printf("sbp_attach\n"); 1520END_DEBUG 1521 1522 sbp = ((struct sbp_softc *)device_get_softc(dev)); 1523 bzero(sbp, sizeof(struct sbp_softc)); 1524 sbp->fd.dev = dev; 1525 sbp->fd.fc = device_get_ivars(dev); 1526 error = bus_dma_tag_create(/*parent*/NULL, /*alignment*/1, 1527 /*boundary*/0, 1528 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, 1529 /*highaddr*/BUS_SPACE_MAXADDR, 1530 /*filter*/NULL, /*filterarg*/NULL, 1531 /*maxsize*/0x100000, /*nsegments*/SBP_IND_MAX, 1532 /*maxsegsz*/0x8000, 1533 /*flags*/BUS_DMA_ALLOCNOW, 1534 &sbp->dmat); 1535 if (error != 0) { 1536 printf("sbp_attach: Could not allocate DMA tag " 1537 "- error %d\n", error); 1538 return (ENOMEM); 1539 } 1540 1541 devq = cam_simq_alloc(/*maxopenings*/SBP_NUM_OCB); 1542 if (devq == NULL) 1543 return (ENXIO); 1544 1545 for( i = 0 ; i < SBP_NUM_TARGETS ; i++){ 1546 sbp->targets[i].fwdev = NULL; 1547 sbp->targets[i].luns = NULL; 1548 } 1549 1550 sbp->sim = cam_sim_alloc(sbp_action, sbp_poll, "sbp", sbp, 1551 device_get_unit(dev), 1552 /*untagged*/ SBP_QUEUE_LEN, 1553 /*tagged*/0, devq); 1554 1555 if (sbp->sim == NULL) { 1556 cam_simq_free(devq); 1557 return (ENXIO); 1558 } 1559 1560 sbp->ocb = (struct sbp_ocb *) contigmalloc( 1561 sizeof (struct sbp_ocb) * SBP_NUM_OCB, 1562 M_SBP, M_DONTWAIT, 0x10000, 0xffffffff, PAGE_SIZE, 0ul); 1563 bzero(sbp->ocb, sizeof (struct sbp_ocb) * SBP_NUM_OCB); 1564 1565 if (sbp->ocb == NULL) { 1566 printf("sbp0: ocb alloction failure\n"); 1567 return (ENOMEM); 1568 } 1569 1570 STAILQ_INIT(&sbp->free_ocbs); 1571 for (i = 0; i < SBP_NUM_OCB; i++) { 1572 sbp_free_ocb(sbp, &sbp->ocb[i]); 1573 } 1574 1575 if (xpt_bus_register(sbp->sim, /*bus*/0) != CAM_SUCCESS) { 1576 cam_sim_free(sbp->sim, /*free_devq*/TRUE); 1577 contigfree(sbp->ocb, sizeof (struct sbp_ocb) * SBP_NUM_OCB, 1578 M_SBP); 1579 return (ENXIO); 1580 } 1581 1582 xfer = fw_xfer_alloc(); 1583 xfer->act.hand = sbp_recv; 1584 xfer->act_type = FWACT_XFER; 1585#if NEED_RESPONSE 1586 xfer->fc = sbp->fd.fc; 1587#endif 1588 xfer->sc = (caddr_t)sbp; 1589 1590 sbp->fwb.start_hi = SBP_BIND_HI; 1591 sbp->fwb.start_lo = SBP_DEV2ADDR(device_get_unit(sbp->fd.dev), 0, 0); 1592 /* We reserve 16 bit space (4 bytes X 64 targets X 256 luns) */ 1593 sbp->fwb.addrlen = 0xffff; 1594 sbp->fwb.xfer = xfer; 1595 fw_bindadd(sbp->fd.fc, &sbp->fwb); 1596 1597 sbp->fd.post_explore = sbp_post_explore; 1598 s = splfw(); 1599 sbp_post_explore((void *)sbp); 1600 splx(s); 1601 1602 return (0); 1603} 1604 1605static int 1606sbp_detach(device_t dev) 1607{ 1608 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 1609 struct firewire_comm *fc = sbp->fd.fc; 1610 int i; 1611 1612SBP_DEBUG(0) 1613 printf("sbp_detach\n"); 1614END_DEBUG 1615 1616 /* bus reset for logout */ 1617 sbp->fd.post_explore = NULL; 1618 fc->ibr(fc); 1619 1620 contigfree(sbp->ocb, sizeof (struct sbp_ocb) * SBP_NUM_OCB, M_SBP); 1621 fw_bindremove(fc, &sbp->fwb); 1622 for (i = 0; i < SBP_NUM_TARGETS; i ++) 1623 sbp_detach_target(&sbp->targets[i]); 1624 xpt_bus_deregister(cam_sim_path(sbp->sim)); 1625 bus_dma_tag_destroy(sbp->dmat); 1626 return (0); 1627} 1628 1629static void 1630sbp_detach_target(struct sbp_target *target) 1631{ 1632 int i; 1633 struct sbp_dev *sdev; 1634 1635 if (target->luns != NULL) { 1636 printf("sbp_detach_target %d\n", target->target_id); 1637 for (i=0; i < target->num_lun; i++) { 1638 sdev = &target->luns[i]; 1639 if (sdev->status == SBP_DEV_RESET || 1640 sdev->status == SBP_DEV_DEAD) 1641 continue; 1642 if (sdev->path) 1643 xpt_async(AC_LOST_DEVICE, sdev->path, NULL); 1644 xpt_free_path(sdev->path); 1645 sdev->path = NULL; 1646 sbp_abort_all_ocbs(sdev, CAM_DEV_NOT_THERE); 1647 } 1648 free(target->luns, M_SBP); 1649 target->luns = NULL; 1650 } 1651 target->fwdev = NULL; 1652} 1653 1654static void 1655sbp_timeout(void *arg) 1656{ 1657 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 1658 struct sbp_dev *sdev = ocb->sdev; 1659 int s; 1660 1661 sbp_show_sdev_info(sdev, 2); 1662 printf("request timeout ... requeue\n"); 1663 1664 /* XXX need reset? */ 1665 1666 s = splfw(); 1667#if 1 1668 sbp_abort_all_ocbs(sdev, CAM_CMD_TIMEOUT); 1669#else 1670 sbp_abort_ocb(ocb, CAM_CMD_TIMEOUT); 1671#endif 1672 splx(s); 1673 return; 1674} 1675 1676static void 1677sbp_action1(struct cam_sim *sim, union ccb *ccb) 1678{ 1679 1680 struct sbp_softc *sbp = (struct sbp_softc *)sim->softc; 1681 struct sbp_target *target = NULL; 1682 struct sbp_dev *sdev = NULL; 1683 1684 /* target:lun -> sdev mapping */ 1685 if (sbp != NULL 1686 && ccb->ccb_h.target_id != CAM_TARGET_WILDCARD 1687 && ccb->ccb_h.target_id < SBP_NUM_TARGETS) { 1688 target = &sbp->targets[ccb->ccb_h.target_id]; 1689 if (target->fwdev != NULL 1690 && ccb->ccb_h.target_lun != CAM_LUN_WILDCARD 1691 && ccb->ccb_h.target_lun < target->num_lun) { 1692 sdev = &target->luns[ccb->ccb_h.target_lun]; 1693 if (sdev->status != SBP_DEV_ATTACHED && 1694 sdev->status != SBP_DEV_PROBE) 1695 sdev = NULL; 1696 } 1697 } 1698 1699SBP_DEBUG(1) 1700 if (sdev == NULL) 1701 printf("invalid target %d lun %d\n", 1702 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 1703END_DEBUG 1704 1705 switch (ccb->ccb_h.func_code) { 1706 case XPT_SCSI_IO: 1707 case XPT_RESET_DEV: 1708 case XPT_GET_TRAN_SETTINGS: 1709 case XPT_SET_TRAN_SETTINGS: 1710 case XPT_CALC_GEOMETRY: 1711 if (sdev == NULL) { 1712SBP_DEBUG(1) 1713 printf("%s:%d:%d:func_code 0x%04x: " 1714 "Invalid target (target needed)\n", 1715 device_get_nameunit(sbp->fd.dev), 1716 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 1717 ccb->ccb_h.func_code); 1718END_DEBUG 1719 1720 ccb->ccb_h.status = CAM_TID_INVALID; 1721 xpt_done(ccb); 1722 return; 1723 } 1724 break; 1725 case XPT_PATH_INQ: 1726 case XPT_NOOP: 1727 /* The opcodes sometimes aimed at a target (sc is valid), 1728 * sometimes aimed at the SIM (sc is invalid and target is 1729 * CAM_TARGET_WILDCARD) 1730 */ 1731 if (sbp == NULL && 1732 ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) { 1733SBP_DEBUG(0) 1734 printf("%s:%d:%d func_code 0x%04x: " 1735 "Invalid target (no wildcard)\n", 1736 device_get_nameunit(sbp->fd.dev), 1737 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 1738 ccb->ccb_h.func_code); 1739END_DEBUG 1740 ccb->ccb_h.status = CAM_TID_INVALID; 1741 xpt_done(ccb); 1742 return; 1743 } 1744 break; 1745 default: 1746 /* XXX Hm, we should check the input parameters */ 1747 break; 1748 } 1749 1750 switch (ccb->ccb_h.func_code) { 1751 case XPT_SCSI_IO: 1752 { 1753 struct ccb_scsiio *csio; 1754 struct sbp_ocb *ocb; 1755 int s, speed; 1756 1757 csio = &ccb->csio; 1758 1759SBP_DEBUG(1) 1760 printf("%s:%d:%d XPT_SCSI_IO: " 1761 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 1762 ", flags: 0x%02x, " 1763 "%db cmd/%db data/%db sense\n", 1764 device_get_nameunit(sbp->fd.dev), 1765 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 1766 csio->cdb_io.cdb_bytes[0], 1767 csio->cdb_io.cdb_bytes[1], 1768 csio->cdb_io.cdb_bytes[2], 1769 csio->cdb_io.cdb_bytes[3], 1770 csio->cdb_io.cdb_bytes[4], 1771 csio->cdb_io.cdb_bytes[5], 1772 csio->cdb_io.cdb_bytes[6], 1773 csio->cdb_io.cdb_bytes[7], 1774 csio->cdb_io.cdb_bytes[8], 1775 csio->cdb_io.cdb_bytes[9], 1776 ccb->ccb_h.flags & CAM_DIR_MASK, 1777 csio->cdb_len, csio->dxfer_len, 1778 csio->sense_len); 1779END_DEBUG 1780 if(sdev == NULL){ 1781 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 1782 xpt_done(ccb); 1783 return; 1784 } 1785#if 0 1786 /* if we are in probe stage, pass only probe commands */ 1787 if (sdev->status == SBP_DEV_PROBE) { 1788 char *name; 1789 name = xpt_path_periph(ccb->ccb_h.path)->periph_name; 1790 printf("probe stage, periph name: %s\n", name); 1791 if (strcmp(name, "probe") != 0) { 1792 ccb->ccb_h.status = CAM_REQUEUE_REQ; 1793 xpt_done(ccb); 1794 return; 1795 } 1796 } 1797#endif 1798 if ((ocb = sbp_get_ocb(sbp)) == NULL) { 1799 s = splfw(); 1800 sbp->flags |= SBP_RESOURCE_SHORTAGE; 1801 splx(s); 1802 return; 1803 } 1804 ocb->flags = OCB_ACT_CMD; 1805 ocb->sdev = sdev; 1806 ocb->ccb = ccb; 1807 ccb->ccb_h.ccb_sdev_ptr = sdev; 1808 ocb->orb[0] = htonl(1 << 31); 1809 ocb->orb[1] = 0; 1810 ocb->orb[2] = htonl(((sbp->fd.fc->nodeid | FWLOCALBUS )<< 16) ); 1811 ocb->orb[3] = htonl(vtophys(ocb->ind_ptr)); 1812 speed = min(target->fwdev->speed, max_speed); 1813 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_CMD_SPD(speed) 1814 | ORB_CMD_MAXP(speed + 7)); 1815 if((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN){ 1816 ocb->orb[4] |= htonl(ORB_CMD_IN); 1817 } 1818 1819 if (csio->ccb_h.flags & CAM_SCATTER_VALID) 1820 printf("sbp: CAM_SCATTER_VALID\n"); 1821 if (csio->ccb_h.flags & CAM_DATA_PHYS) 1822 printf("sbp: CAM_DATA_PHYS\n"); 1823 1824 if (csio->ccb_h.flags & CAM_CDB_POINTER) { 1825 bcopy(csio->cdb_io.cdb_ptr, 1826 (void *)(uintptr_t)(volatile void *)&ocb->orb[5], 1827 (csio->cdb_len + 3) & ~0x3); 1828 } else { 1829 bcopy(&csio->cdb_io.cdb_bytes, 1830 (void *)(uintptr_t)(volatile void *)&ocb->orb[5], 1831 (csio->cdb_len + 3) &~0x3); 1832 } 1833/* 1834printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[0]), ntohl(ocb->orb[1]), ntohl(ocb->orb[2]), ntohl(ocb->orb[3])); 1835printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[4]), ntohl(ocb->orb[5]), ntohl(ocb->orb[6]), ntohl(ocb->orb[7])); 1836*/ 1837 if (ccb->csio.dxfer_len > 0) { 1838 int s; 1839 1840 if (bus_dmamap_create(sbp->dmat, 0, &ocb->dmamap)) { 1841 printf("sbp_action1: cannot create dmamap\n"); 1842 break; 1843 } 1844 1845 s = splsoftvm(); 1846 bus_dmamap_load(/*dma tag*/sbp->dmat, 1847 /*dma map*/ocb->dmamap, 1848 ccb->csio.data_ptr, 1849 ccb->csio.dxfer_len, 1850 sbp_execute_ocb, 1851 ocb, 1852 /*flags*/0); 1853 splx(s); 1854 } else 1855 sbp_execute_ocb(ocb, NULL, 0, 0); 1856 break; 1857 } 1858 case XPT_CALC_GEOMETRY: 1859 { 1860 struct ccb_calc_geometry *ccg; 1861 u_int32_t size_mb; 1862 u_int32_t secs_per_cylinder; 1863 int extended = 1; 1864 ccg = &ccb->ccg; 1865 1866 if (ccg->block_size == 0) { 1867 printf("sbp_action1: block_size is 0.\n"); 1868 ccb->ccb_h.status = CAM_REQ_INVALID; 1869 xpt_done(ccb); 1870 break; 1871 } 1872SBP_DEBUG(1) 1873 printf("%s:%d:%d:%d:XPT_CALC_GEOMETRY: " 1874 "Volume size = %d\n", 1875 device_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim), 1876 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 1877 ccg->volume_size); 1878END_DEBUG 1879 1880 size_mb = ccg->volume_size 1881 / ((1024L * 1024L) / ccg->block_size); 1882 1883 if (size_mb >= 1024 && extended) { 1884 ccg->heads = 255; 1885 ccg->secs_per_track = 63; 1886 } else { 1887 ccg->heads = 64; 1888 ccg->secs_per_track = 32; 1889 } 1890 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 1891 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 1892 ccb->ccb_h.status = CAM_REQ_CMP; 1893 xpt_done(ccb); 1894 break; 1895 } 1896 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 1897 { 1898 1899SBP_DEBUG(1) 1900 printf("%s:%d:XPT_RESET_BUS: \n", 1901 device_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim)); 1902END_DEBUG 1903 1904 ccb->ccb_h.status = CAM_REQ_INVALID; 1905 xpt_done(ccb); 1906 break; 1907 } 1908 case XPT_PATH_INQ: /* Path routing inquiry */ 1909 { 1910 struct ccb_pathinq *cpi = &ccb->cpi; 1911 1912SBP_DEBUG(1) 1913 printf("%s:%d:%d XPT_PATH_INQ:.\n", 1914 device_get_nameunit(sbp->fd.dev), 1915 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 1916END_DEBUG 1917 cpi->version_num = 1; /* XXX??? */ 1918 cpi->hba_inquiry = 0; 1919 cpi->target_sprt = 0; 1920 cpi->hba_misc = 0; 1921 cpi->hba_eng_cnt = 0; 1922 cpi->max_target = SBP_NUM_TARGETS - 1; 1923 cpi->max_lun = SBP_NUM_LUNS - 1; 1924 cpi->initiator_id = SBP_INITIATOR; 1925 cpi->bus_id = sim->bus_id; 1926 cpi->base_transfer_speed = 400 * 1000 / 8; 1927 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 1928 strncpy(cpi->hba_vid, "SBP", HBA_IDLEN); 1929 strncpy(cpi->dev_name, sim->sim_name, DEV_IDLEN); 1930 cpi->unit_number = sim->unit_number; 1931 1932 cpi->ccb_h.status = CAM_REQ_CMP; 1933 xpt_done(ccb); 1934 break; 1935 } 1936 case XPT_GET_TRAN_SETTINGS: 1937 { 1938 struct ccb_trans_settings *cts = &ccb->cts; 1939SBP_DEBUG(1) 1940 printf("%s:%d:%d XPT_GET_TRAN_SETTINGS:.\n", 1941 device_get_nameunit(sbp->fd.dev), 1942 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 1943END_DEBUG 1944 /* Disable disconnect and tagged queuing */ 1945 cts->valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID; 1946 cts->flags = 0; 1947 1948 cts->ccb_h.status = CAM_REQ_CMP; 1949 xpt_done(ccb); 1950 break; 1951 } 1952 case XPT_ABORT: 1953 ccb->ccb_h.status = CAM_UA_ABORT; 1954 xpt_done(ccb); 1955 break; 1956 default: 1957 ccb->ccb_h.status = CAM_REQ_INVALID; 1958 xpt_done(ccb); 1959 break; 1960 } 1961 return; 1962} 1963 1964static void 1965sbp_action(struct cam_sim *sim, union ccb *ccb) 1966{ 1967 int s; 1968 1969 s = splfw(); 1970 sbp_action1(sim, ccb); 1971 splx(s); 1972} 1973 1974static void 1975sbp_execute_ocb(void *arg, bus_dma_segment_t *segments, int seg, int error) 1976{ 1977 int i; 1978 struct sbp_ocb *ocb; 1979 struct sbp_ocb *prev; 1980 union ccb *ccb; 1981 bus_dma_segment_t *s; 1982 1983 if (error) 1984 printf("sbp_execute_ocb: error=%d\n", error); 1985 1986 ocb = (struct sbp_ocb *)arg; 1987 if (seg == 1) { 1988 /* direct pointer */ 1989 ocb->orb[3] = htonl(segments[0].ds_addr); 1990 ocb->orb[4] |= htonl(segments[0].ds_len); 1991 } else if(seg > 1) { 1992 /* page table */ 1993SBP_DEBUG(1) 1994 printf("sbp_execute_ocb: seg %d", seg); 1995 for (i = 0; i < seg; i++) 1996 printf(", %x:%d", segments[i].ds_addr, 1997 segments[i].ds_len); 1998 printf("\n"); 1999END_DEBUG 2000 for (i = 0; i < seg; i++) { 2001 s = &segments[i]; 2002#if 1 /* XXX LSI Logic "< 16 byte" bug might be hit */ 2003 if (s->ds_len < 16) 2004 printf("sbp_execute_ocb: warning, " 2005 "segment length(%d) is less than 16." 2006 "(seg=%d/%d)\n", s->ds_len, i+1, seg); 2007#endif 2008 ocb->ind_ptr[i].hi = htonl(s->ds_len << 16); 2009 ocb->ind_ptr[i].lo = htonl(s->ds_addr); 2010 } 2011 ocb->orb[4] |= htonl(ORB_CMD_PTBL | seg); 2012 } 2013 2014 ccb = ocb->ccb; 2015 prev = sbp_enqueue_ocb(ocb->sdev, ocb); 2016 if (prev) 2017 sbp_doorbell(ocb->sdev); 2018 else 2019 sbp_orb_pointer(ocb->sdev, ocb); 2020} 2021 2022static void 2023sbp_poll(struct cam_sim *sim) 2024{ 2025 /* should call fwohci_intr? */ 2026 return; 2027} 2028static struct sbp_ocb * 2029sbp_dequeue_ocb(struct sbp_dev *sdev, u_int32_t orb_lo) 2030{ 2031 struct sbp_ocb *ocb; 2032 struct sbp_ocb *next; 2033 int s = splfw(), order = 0; 2034 int flags; 2035 2036 for (ocb = STAILQ_FIRST(&sdev->ocbs); ocb != NULL; ocb = next) { 2037 next = STAILQ_NEXT(ocb, ocb); 2038 flags = ocb->flags; 2039SBP_DEBUG(1) 2040 printf("orb: 0x%x next: 0x%x, flags %x\n", 2041 vtophys(&ocb->orb[0]), ntohl(ocb->orb[1]), flags); 2042END_DEBUG 2043 if (vtophys(&ocb->orb[0]) == orb_lo) { 2044 /* found */ 2045 if (ocb->flags & OCB_RESERVED) 2046 ocb->flags |= OCB_DONE; 2047 else 2048 STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb); 2049 if (ocb->ccb != NULL) 2050 untimeout(sbp_timeout, (caddr_t)ocb, 2051 ocb->ccb->ccb_h.timeout_ch); 2052 if (ocb->dmamap != NULL) { 2053 bus_dmamap_destroy(sdev->target->sbp->dmat, 2054 ocb->dmamap); 2055 ocb->dmamap = NULL; 2056 } 2057 break; 2058 } else { 2059 if ((ocb->flags & OCB_RESERVED) && 2060 (ocb->flags & OCB_DONE)) { 2061 /* next orb must be fetched already */ 2062 STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb); 2063 sbp_free_ocb(sdev->target->sbp, ocb); 2064 } else 2065 order ++; 2066 } 2067 } 2068 splx(s); 2069SBP_DEBUG(0) 2070 if (ocb && order > 0) { 2071 sbp_show_sdev_info(sdev, 2); 2072 printf("unordered execution order:%d\n", order); 2073 } 2074END_DEBUG 2075 return (ocb); 2076} 2077 2078static struct sbp_ocb * 2079sbp_enqueue_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 2080{ 2081 int s = splfw(); 2082 struct sbp_ocb *prev; 2083 2084SBP_DEBUG(2) 2085 sbp_show_sdev_info(sdev, 2); 2086 printf("sbp_enqueue_ocb orb=0x%x in physical memory\n", vtophys(&ocb->orb[0])); 2087END_DEBUG 2088 prev = STAILQ_LAST(&sdev->ocbs, sbp_ocb, ocb); 2089 STAILQ_INSERT_TAIL(&sdev->ocbs, ocb, ocb); 2090 2091 if (ocb->ccb != NULL) 2092 ocb->ccb->ccb_h.timeout_ch = timeout(sbp_timeout, (caddr_t)ocb, 2093 (ocb->ccb->ccb_h.timeout * hz) / 1000); 2094 2095 if (prev != NULL 2096 && ((prev->flags & OCB_ACT_MASK) == OCB_ACT_CMD) 2097 && ((ocb->flags & OCB_ACT_MASK) == OCB_ACT_CMD)) { 2098SBP_DEBUG(1) 2099 printf("linking chain 0x%x -> 0x%x\n", vtophys(&prev->orb[0]), 2100 vtophys(&ocb->orb[0])); 2101END_DEBUG 2102 prev->flags |= OCB_RESERVED; 2103 prev->orb[1] = htonl(vtophys(&ocb->orb[0])); 2104 prev->orb[0] = 0; 2105 } else { 2106 prev = NULL; 2107 } 2108 splx(s); 2109 2110 return prev; 2111} 2112 2113static struct sbp_ocb * 2114sbp_get_ocb(struct sbp_softc *sbp) 2115{ 2116 struct sbp_ocb *ocb; 2117 int s = splfw(); 2118 ocb = STAILQ_FIRST(&sbp->free_ocbs); 2119 if (ocb == NULL) { 2120 printf("ocb shortage!!!\n"); 2121 return NULL; 2122 } 2123 STAILQ_REMOVE(&sbp->free_ocbs, ocb, sbp_ocb, ocb); 2124 splx(s); 2125 ocb->ccb = NULL; 2126 return (ocb); 2127} 2128 2129static void 2130sbp_free_ocb(struct sbp_softc *sbp, struct sbp_ocb *ocb) 2131{ 2132#if 0 /* XXX make sure that ocb has ccb */ 2133 if ((sbp->flags & SBP_RESOURCE_SHORTAGE) != 0 && 2134 (ocb->ccb->ccb_h.status & CAM_RELEASE_SIMQ) == 0) { 2135 ocb->ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 2136 sbp->flags &= ~SBP_RESOURCE_SHORTAGE; 2137 } 2138#else 2139 if ((sbp->flags & SBP_RESOURCE_SHORTAGE) != 0) 2140 sbp->flags &= ~SBP_RESOURCE_SHORTAGE; 2141#endif 2142 ocb->flags = 0; 2143 ocb->ccb = NULL; 2144 STAILQ_INSERT_TAIL(&sbp->free_ocbs, ocb, ocb); 2145} 2146 2147static void 2148sbp_abort_ocb(struct sbp_ocb *ocb, int status) 2149{ 2150 struct sbp_dev *sdev; 2151 2152 sdev = ocb->sdev; 2153SBP_DEBUG(0) 2154 sbp_show_sdev_info(sdev, 2); 2155 printf("sbp_abort_ocb 0x%x\n", status); 2156END_DEBUG 2157 STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb); 2158 if (ocb->ccb != NULL && !(ocb->flags & OCB_DONE)) { 2159 if (status != CAM_CMD_TIMEOUT) 2160 untimeout(sbp_timeout, (caddr_t)ocb, 2161 ocb->ccb->ccb_h.timeout_ch); 2162 ocb->ccb->ccb_h.status = status; 2163 xpt_done(ocb->ccb); 2164 } 2165 if (ocb->dmamap != NULL) { 2166 bus_dmamap_destroy(sdev->target->sbp->dmat, ocb->dmamap); 2167 ocb->dmamap = NULL; 2168 } 2169 sbp_free_ocb(sdev->target->sbp, ocb); 2170} 2171 2172static void 2173sbp_abort_all_ocbs(struct sbp_dev *sdev, int status) 2174{ 2175 int s; 2176 struct sbp_ocb *ocb; 2177 2178 s = splfw(); 2179 while ((ocb = STAILQ_FIRST(&sdev->ocbs))) { 2180 sbp_abort_ocb(ocb, status); 2181 } 2182 splx(s); 2183} 2184 2185static devclass_t sbp_devclass; 2186 2187static device_method_t sbp_methods[] = { 2188 /* device interface */ 2189 DEVMETHOD(device_identify, sbp_identify), 2190 DEVMETHOD(device_probe, sbp_probe), 2191 DEVMETHOD(device_attach, sbp_attach), 2192 DEVMETHOD(device_detach, sbp_detach), 2193 2194 { 0, 0 } 2195}; 2196 2197static driver_t sbp_driver = { 2198 "sbp", 2199 sbp_methods, 2200 sizeof(struct sbp_softc), 2201}; 2202DRIVER_MODULE(sbp, firewire, sbp_driver, sbp_devclass, 0, 0); 2203MODULE_VERSION(sbp, 1); 2204MODULE_DEPEND(sbp, firewire, 1, 1, 1); 2205MODULE_DEPEND(sbp, cam, 1, 1, 1); 2206