sbp.c revision 110798
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 110798 2003-02-13 13:35:57Z simokawa $ 34 * 35 */ 36 37#include <sys/param.h> 38#include <sys/systm.h> 39#include <sys/module.h> 40#include <sys/bus.h> 41#include <sys/mbuf.h> 42#include <sys/sysctl.h> 43#include <machine/bus.h> 44#include <sys/malloc.h> 45#include <sys/devicestat.h> /* for struct devstat */ 46 47 48#include <cam/cam.h> 49#include <cam/cam_ccb.h> 50#include <cam/cam_sim.h> 51#include <cam/cam_xpt_sim.h> 52#include <cam/cam_debug.h> 53#include <cam/cam_periph.h> 54 55#include <cam/scsi/scsi_all.h> 56#include <cam/scsi/scsi_message.h> 57#include <cam/scsi/scsi_da.h> 58 59#include <sys/kernel.h> 60 61#include <vm/vm.h> 62#include <vm/pmap.h> 63 64#include <dev/firewire/firewire.h> 65#include <dev/firewire/firewirereg.h> 66#include <dev/firewire/iec13213.h> 67 68#define ccb_sdev_ptr spriv_ptr0 69#define ccb_sbp_ptr spriv_ptr1 70 71#define SBP_NUM_TARGETS 8 72#define SBP_NUM_LUNS 8 /* limited by CAM_SCSI2_MAXLUN in cam_xpt.c */ 73#define SBP_QUEUE_LEN 4 74#define SBP_NUM_OCB (SBP_QUEUE_LEN * SBP_NUM_TARGETS) 75#define SBP_INITIATOR 7 76#define SBP_ESELECT_TIMEOUT 1 77#define SBP_BIND_HI 0x1 78#define SBP_DEV2ADDR(u, t, l) \ 79 ((((u) & 0xff) << 16) | (((l) & 0xff) << 8) | (((t) & 0x3f) << 2)) 80#define SBP_ADDR2TRG(a) (((a) >> 2) & 0x3f) 81#define SBP_ADDR2LUN(a) (((a) >> 8) & 0xff) 82 83#define ORB_NOTIFY (1 << 31) 84#define ORB_FMT_STD (0 << 29) 85#define ORB_FMT_VED (2 << 29) 86#define ORB_FMT_NOP (3 << 29) 87#define ORB_FMT_MSK (3 << 29) 88#define ORB_EXV (1 << 28) 89/* */ 90#define ORB_CMD_IN (1 << 27) 91/* */ 92#define ORB_CMD_SPD(x) ((x) << 24) 93#define ORB_CMD_MAXP(x) ((x) << 20) 94#define ORB_RCN_TMO(x) ((x) << 20) 95#define ORB_CMD_PTBL (1 << 19) 96#define ORB_CMD_PSZ(x) ((x) << 16) 97 98#define ORB_FUN_LGI (0 << 16) 99#define ORB_FUN_QLG (1 << 16) 100#define ORB_FUN_RCN (3 << 16) 101#define ORB_FUN_LGO (7 << 16) 102#define ORB_FUN_ATA (0xb << 16) 103#define ORB_FUN_ATS (0xc << 16) 104#define ORB_FUN_LUR (0xe << 16) 105#define ORB_FUN_RST (0xf << 16) 106#define ORB_FUN_MSK (0xf << 16) 107 108static char *orb_fun_name[] = { 109 /* 0 */ "LOGIN", 110 /* 1 */ "QUERY LOGINS", 111 /* 2 */ "Reserved", 112 /* 3 */ "RECONNECT", 113 /* 4 */ "SET PASSWORD", 114 /* 5 */ "Reserved", 115 /* 6 */ "Reserved", 116 /* 7 */ "LOGOUT", 117 /* 8 */ "Reserved", 118 /* 9 */ "Reserved", 119 /* A */ "Reserved", 120 /* B */ "ABORT TASK", 121 /* C */ "ABORT TASK SET", 122 /* D */ "Reserved", 123 /* E */ "LOGICAL UNIT RESET", 124 /* F */ "TARGET RESET" 125}; 126 127#define ORB_RES_CMPL 0 128#define ORB_RES_FAIL 1 129#define ORB_RES_ILLE 2 130#define ORB_RES_VEND 3 131 132static int debug = 0; 133static int auto_login = 1; 134static int max_speed = 2; 135 136SYSCTL_DECL(_hw_firewire); 137SYSCTL_NODE(_hw_firewire, OID_AUTO, sbp, CTLFLAG_RD, 0, "SBP-II Subsystem"); 138SYSCTL_INT(_debug, OID_AUTO, sbp_debug, CTLFLAG_RW, &debug, 0, 139 "SBP debug flag"); 140SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, auto_login, CTLFLAG_RW, &auto_login, 0, 141 "SBP perform login automatically"); 142SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, max_speed, CTLFLAG_RW, &max_speed, 0, 143 "SBP transfer max speed"); 144 145#define SBP_DEBUG(x) if (debug > x) { 146#define END_DEBUG } 147 148#define NEED_RESPONSE 0 149 150struct ind_ptr { 151 u_int32_t hi,lo; 152}; 153#define SBP_IND_MAX 0x20 154struct sbp_ocb { 155 STAILQ_ENTRY(sbp_ocb) ocb; 156 union ccb *ccb; 157 volatile u_int32_t orb[8]; 158 volatile struct ind_ptr ind_ptr[SBP_IND_MAX]; 159 struct sbp_dev *sdev; 160 int flags; 161 bus_dmamap_t dmamap; 162}; 163#define OCB_ACT_MGM 0 164#define OCB_ACT_CMD 1 165#define OCB_ACT_MASK 3 166#define OCB_RESERVED 0x10 167#define OCB_DONE 0x20 168 169#define SBP_RESOURCE_SHORTAGE 0x10 170 171struct sbp_login_res{ 172 u_int16_t len; 173 u_int16_t id; 174 u_int16_t res0; 175 u_int16_t cmd_hi; 176 u_int32_t cmd_lo; 177 u_int16_t res1; 178 u_int16_t recon_hold; 179}; 180struct sbp_status{ 181 u_int8_t len:3, 182 dead:1, 183 resp:2, 184 src:2; 185 u_int8_t status:8; 186 u_int16_t orb_hi; 187 u_int32_t orb_lo; 188 u_int32_t data[6]; 189}; 190struct sbp_cmd_status{ 191#define SBP_SFMT_CURR 0 192#define SBP_SFMT_DEFER 1 193 u_int8_t status:6, 194 sfmt:2; 195 u_int8_t s_key:4, 196 ill_len:1, 197 eom:1, 198 mark:1, 199 valid:1; 200 u_int8_t s_code; 201 u_int8_t s_qlfr; 202 u_int32_t info; 203 u_int32_t cdb; 204 u_int32_t fru:8, 205 s_keydep:24; 206 u_int32_t vend[2]; 207}; 208 209struct sbp_dev{ 210#define SBP_DEV_RESET 0 /* accept login */ 211#if 0 212#define SBP_DEV_LOGIN 1 /* to login */ 213#define SBP_DEV_RECONN 2 /* to reconnect */ 214#endif 215#define SBP_DEV_TOATTACH 3 /* to attach */ 216#define SBP_DEV_PROBE 4 /* scan lun */ 217#define SBP_DEV_ATTACHED 5 /* in operation */ 218#define SBP_DEV_DEAD 6 /* unavailable unit */ 219#define SBP_DEV_RETRY 7 /* unavailable unit */ 220 u_int8_t status:4, 221#define SBP_DEV_TIMEOUT 1 222 flags:4; 223 u_int8_t type; 224 u_int16_t lun_id; 225 struct cam_path *path; 226 struct sbp_target *target; 227 struct sbp_login_res login; 228 STAILQ_HEAD(, sbp_ocb) ocbs; 229 char vendor[32]; 230 char product[32]; 231 char revision[10]; 232}; 233 234struct sbp_target { 235 int target_id; 236 int num_lun; 237 struct sbp_dev *luns; 238 struct sbp_softc *sbp; 239 struct fw_device *fwdev; 240 u_int32_t mgm_hi, mgm_lo; 241}; 242 243struct sbp_softc { 244 struct firewire_dev_comm fd; 245 unsigned char flags; 246 struct cam_sim *sim; 247 struct sbp_target targets[SBP_NUM_TARGETS]; 248 struct fw_bind fwb; 249 STAILQ_HEAD(, sbp_ocb) free_ocbs; 250 struct sbp_ocb *ocb; 251 bus_dma_tag_t dmat; 252}; 253static void sbp_post_explore __P((void *)); 254static void sbp_recv __P((struct fw_xfer *)); 255static void sbp_login_callback __P((struct fw_xfer *)); 256static void sbp_cmd_callback __P((struct fw_xfer *)); 257static void sbp_orb_pointer __P((struct sbp_dev *, struct sbp_ocb *)); 258static void sbp_execute_ocb __P((void *, bus_dma_segment_t *, int, int)); 259static void sbp_free_ocb __P((struct sbp_softc *, struct sbp_ocb *)); 260static void sbp_abort_ocb __P((struct sbp_ocb *, int)); 261static void sbp_abort_all_ocbs __P((struct sbp_dev *, int)); 262static struct fw_xfer * sbp_write_cmd __P((struct sbp_dev *, int, int)); 263static struct sbp_ocb * sbp_get_ocb __P((struct sbp_softc *)); 264static struct sbp_ocb * sbp_enqueue_ocb __P((struct sbp_dev *, struct sbp_ocb *)); 265static struct sbp_ocb * sbp_dequeue_ocb __P((struct sbp_dev *, u_int32_t)); 266static void sbp_cam_detach_target __P((struct sbp_target *)); 267static void sbp_timeout __P((void *arg)); 268static void sbp_mgm_orb __P((struct sbp_dev *, int, u_int16_t, u_int32_t)); 269 270MALLOC_DEFINE(M_SBP, "sbp", "SBP-II/FireWire"); 271 272/* cam related functions */ 273static void sbp_action(struct cam_sim *sim, union ccb *ccb); 274static void sbp_poll(struct cam_sim *sim); 275static void sbp_cam_callback(struct cam_periph *periph, 276 union ccb *ccb); 277static void sbp_cam_scan_lun(struct sbp_dev *sdev); 278 279static char *orb_status0[] = { 280 /* 0 */ "No additional information to report", 281 /* 1 */ "Request type not supported", 282 /* 2 */ "Speed not supported", 283 /* 3 */ "Page size not supported", 284 /* 4 */ "Access denied", 285 /* 5 */ "Logical unit not supported", 286 /* 6 */ "Maximum payload too small", 287 /* 7 */ "Reserved for future standardization", 288 /* 8 */ "Resources unavailable", 289 /* 9 */ "Function rejected", 290 /* A */ "Login ID not recognized", 291 /* B */ "Dummy ORB completed", 292 /* C */ "Request aborted", 293 /* FF */ "Unspecified error" 294#define MAX_ORB_STATUS0 0xd 295}; 296 297static char *orb_status1_object[] = { 298 /* 0 */ "Operation request block (ORB)", 299 /* 1 */ "Data buffer", 300 /* 2 */ "Page table", 301 /* 3 */ "Unable to specify" 302}; 303 304static char *orb_status1_serial_bus_error[] = { 305 /* 0 */ "Missing acknowledge", 306 /* 1 */ "Reserved; not to be used", 307 /* 2 */ "Time-out error", 308 /* 3 */ "Reserved; not to be used", 309 /* 4 */ "Busy retry limit exceeded(X)", 310 /* 5 */ "Busy retry limit exceeded(A)", 311 /* 6 */ "Busy retry limit exceeded(B)", 312 /* 7 */ "Reserved for future standardization", 313 /* 8 */ "Reserved for future standardization", 314 /* 9 */ "Reserved for future standardization", 315 /* A */ "Reserved for future standardization", 316 /* B */ "Tardy retry limit exceeded", 317 /* C */ "Conflict error", 318 /* D */ "Data error", 319 /* E */ "Type error", 320 /* F */ "Address error" 321}; 322 323static void 324sbp_identify(driver_t *driver, device_t parent) 325{ 326 device_t child; 327SBP_DEBUG(0) 328 printf("sbp_identify\n"); 329END_DEBUG 330 331 child = BUS_ADD_CHILD(parent, 0, "sbp", device_get_unit(parent)); 332} 333 334/* 335 * sbp_probe() 336 */ 337static int 338sbp_probe(device_t dev) 339{ 340 device_t pa; 341 342SBP_DEBUG(0) 343 printf("sbp_probe\n"); 344END_DEBUG 345 346 pa = device_get_parent(dev); 347 if(device_get_unit(dev) != device_get_unit(pa)){ 348 return(ENXIO); 349 } 350 351 device_set_desc(dev, "SBP2/SCSI over firewire"); 352 return (0); 353} 354 355static void 356sbp_show_sdev_info(struct sbp_dev *sdev, int new) 357{ 358 struct fw_device *fwdev; 359 360 printf("%s:%d:%d ", 361 device_get_nameunit(sdev->target->sbp->fd.dev), 362 sdev->target->target_id, 363 sdev->lun_id 364 ); 365 if (new == 2) { 366 return; 367 } 368 fwdev = sdev->target->fwdev; 369 printf("ordered:%d type:%d EUI:%08x%08x node:%d " 370 "speed:%d maxrec:%d", 371 (sdev->type & 0x40) >> 6, 372 (sdev->type & 0x1f), 373 fwdev->eui.hi, 374 fwdev->eui.lo, 375 fwdev->dst, 376 fwdev->speed, 377 fwdev->maxrec 378 ); 379 if (new) 380 printf(" new!\n"); 381 else 382 printf("\n"); 383 sbp_show_sdev_info(sdev, 2); 384 printf("'%s' '%s' '%s'\n", sdev->vendor, sdev->product, sdev->revision); 385} 386 387static struct { 388 int bus; 389 int target; 390 struct fw_eui64 eui; 391} wired[] = { 392 /* Bus Target EUI64 */ 393#if 0 394 {0, 2, {0x00018ea0, 0x01fd0154}}, /* Logitec HDD */ 395 {0, 0, {0x00018ea6, 0x00100682}}, /* Logitec DVD */ 396 {0, 1, {0x00d03200, 0xa412006a}}, /* Yano HDD */ 397#endif 398 {-1, -1, {0,0}} 399}; 400 401static int 402sbp_new_target(struct sbp_softc *sbp, struct fw_device *fwdev) 403{ 404 int bus, i, target=-1; 405 char w[SBP_NUM_TARGETS]; 406 407 bzero(w, sizeof(w)); 408 bus = device_get_unit(sbp->fd.dev); 409 410 /* XXX wired-down configuration should be gotten from 411 tunable or device hint */ 412 for (i = 0; wired[i].bus >= 0; i ++) { 413 if (wired[i].bus == bus) { 414 w[wired[i].target] = 1; 415 if (wired[i].eui.hi == fwdev->eui.hi && 416 wired[i].eui.lo == fwdev->eui.lo) 417 target = wired[i].target; 418 } 419 } 420 if (target >= 0) { 421 if(target < SBP_NUM_TARGETS && 422 sbp->targets[target].fwdev == NULL) 423 return(target); 424 device_printf(sbp->fd.dev, 425 "target %d is not free for %08x:%08x\n", 426 target, fwdev->eui.hi, fwdev->eui.lo); 427 target = -1; 428 } 429 /* non-wired target */ 430 for (i = 0; i < SBP_NUM_TARGETS; i ++) 431 if (sbp->targets[i].fwdev == NULL && w[i] == 0) { 432 target = i; 433 break; 434 } 435 436 return target; 437} 438 439static struct sbp_target * 440sbp_alloc_target(struct sbp_softc *sbp, struct fw_device *fwdev) 441{ 442 int i, maxlun, lun; 443 struct sbp_target *target; 444 struct sbp_dev *sdev; 445 struct crom_context cc; 446 struct csrreg *reg; 447 448SBP_DEBUG(1) 449 printf("sbp_alloc_target\n"); 450END_DEBUG 451 i = sbp_new_target(sbp, fwdev); 452 if (i < 0) { 453 device_printf(sbp->fd.dev, "increase SBP_NUM_TARGETS!\n"); 454 return NULL; 455 } 456 /* new target */ 457 target = &sbp->targets[i]; 458 target->sbp = sbp; 459 target->fwdev = fwdev; 460 target->target_id = i; 461 if((target->mgm_lo = getcsrdata(fwdev, 0x54)) == 0 ){ 462 /* bad target */ 463 printf("NULL management address\n"); 464 target->fwdev = NULL; 465 return NULL; 466 } 467 target->mgm_hi = 0xffff; 468 target->mgm_lo = 0xf0000000 | target->mgm_lo << 2; 469 /* XXX num_lun may be changed. realloc luns? */ 470 crom_init_context(&cc, target->fwdev->csrrom); 471 /* XXX shoud parse appropriate unit directories only */ 472 maxlun = -1; 473 while (cc.depth >= 0) { 474 reg = crom_search_key(&cc, CROM_LUN); 475 if (reg == NULL) 476 break; 477 lun = reg->val & 0xff; 478SBP_DEBUG(0) 479 printf("target %d lun %d found\n", target->target_id, lun); 480END_DEBUG 481 if (maxlun < lun) 482 maxlun = lun; 483 crom_next(&cc); 484 } 485 target->num_lun = maxlun + 1; 486 if (maxlun < 0) { 487 printf("no lun found!\n"); 488 } 489 target->luns = (struct sbp_dev *) malloc( 490 sizeof(struct sbp_dev) * target->num_lun, 491 M_SBP, M_NOWAIT | M_ZERO); 492 for (i = 0; i < target->num_lun; i++) { 493 sdev = &target->luns[i]; 494 sdev->lun_id = i; 495 sdev->target = target; 496 STAILQ_INIT(&sdev->ocbs); 497 sdev->status = SBP_DEV_DEAD; 498 } 499 crom_init_context(&cc, target->fwdev->csrrom); 500 while (cc.depth >= 0) { 501 reg = crom_search_key(&cc, CROM_LUN); 502 if (reg == NULL) 503 break; 504 lun = reg->val & 0xff; 505 target->luns[lun].status = SBP_DEV_RESET; 506 target->luns[lun].type = (reg->val & 0x0f00) >> 16; 507 crom_next(&cc); 508 } 509 return target; 510} 511 512static void 513sbp_get_text_leaf(struct fw_device *fwdev, int key, char *buf, int len) 514{ 515 static char *nullstr = "(null)"; 516 int i, clen, found=0; 517 struct csrhdr *chdr; 518 struct csrreg *creg; 519 u_int32_t *src, *dst; 520 521 chdr = (struct csrhdr *)&fwdev->csrrom[0]; 522 creg = (struct csrreg *)chdr; 523 creg += chdr->info_len; 524 for( i = chdr->info_len + 4; i <= fwdev->rommax - 4; i+=4){ 525 if((creg++)->key == key){ 526 found = 1; 527 break; 528 } 529 } 530 if (!found || creg->key != CROM_TEXTLEAF) { 531 strncpy(buf, nullstr, len); 532 return; 533 } 534 src = (u_int32_t *) creg + creg->val; 535 clen = ((*src >> 16) - 2) * 4; 536 src += 3; 537 dst = (u_int32_t *) buf; 538 if (len < clen) 539 clen = len; 540 for (i = 0; i < clen/4; i++) 541 *dst++ = htonl(*src++); 542 buf[clen] = 0; 543} 544 545static void 546sbp_probe_lun(struct sbp_dev *sdev) 547{ 548 struct fw_device *fwdev; 549 int rev; 550 551 fwdev = sdev->target->fwdev; 552 bzero(sdev->vendor, sizeof(sdev->vendor)); 553 bzero(sdev->product, sizeof(sdev->product)); 554 sbp_get_text_leaf(fwdev, 0x03, sdev->vendor, sizeof(sdev->vendor)); 555 sbp_get_text_leaf(fwdev, 0x17, sdev->product, sizeof(sdev->product)); 556 rev = getcsrdata(sdev->target->fwdev, 0x3c); 557 snprintf(sdev->revision, sizeof(sdev->revision), "%06x", rev); 558} 559static void 560sbp_probe_target(struct sbp_target *target, int alive) 561{ 562 struct sbp_softc *sbp; 563 struct sbp_dev *sdev; 564 struct firewire_comm *fc; 565 int i; 566 567SBP_DEBUG(1) 568 printf("sbp_probe_target %d\n", target->target_id); 569 if (!alive) 570 printf("not alive\n"); 571END_DEBUG 572 573 sbp = target->sbp; 574 fc = target->sbp->fd.fc; 575 for (i=0; i < target->num_lun; i++) { 576 sdev = &target->luns[i]; 577 if (alive && (sdev->status != SBP_DEV_DEAD)) { 578 if (sdev->path != NULL) { 579 xpt_freeze_devq(sdev->path, 1); 580 } 581 sbp_abort_all_ocbs(sdev, CAM_REQUEUE_REQ); 582 switch (sdev->status) { 583 case SBP_DEV_RESET: 584 /* new or revived target */ 585 sbp_probe_lun(sdev); 586 if (auto_login) { 587 sdev->status = SBP_DEV_TOATTACH; 588 sbp_mgm_orb(sdev, ORB_FUN_LGI, 0, 0); 589 } 590 break; 591 case SBP_DEV_RETRY: 592 sbp_probe_lun(sdev); 593 default: 594 sbp_mgm_orb(sdev, ORB_FUN_RCN, 0, 0); 595 break; 596 } 597SBP_DEBUG(0) 598 sbp_show_sdev_info(sdev, 599 (sdev->status == SBP_DEV_TOATTACH)); 600END_DEBUG 601 } else { 602 switch (sdev->status) { 603 case SBP_DEV_ATTACHED: 604SBP_DEBUG(0) 605 /* the device has gone */ 606 sbp_show_sdev_info(sdev, 2); 607 printf("lost target\n"); 608END_DEBUG 609 if (sdev->path) 610 xpt_freeze_devq(sdev->path, 1); 611 sdev->status = SBP_DEV_RETRY; 612 sbp_abort_all_ocbs(sdev, CAM_REQUEUE_REQ); 613 break; 614 case SBP_DEV_PROBE: 615 case SBP_DEV_TOATTACH: 616 sdev->status = SBP_DEV_RESET; 617 break; 618 case SBP_DEV_RETRY: 619 case SBP_DEV_RESET: 620 case SBP_DEV_DEAD: 621 break; 622 } 623 } 624 } 625} 626 627#if 0 628static void 629sbp_release_queue(void *arg) 630{ 631 struct sbp_softc *sbp; 632 633SBP_DEBUG(0) 634 printf("sbp_release_queue\n"); 635END_DEBUG 636 sbp = (struct sbp_softc *)arg; 637 xpt_release_simq(sbp->sim, 1); 638} 639 640static void 641sbp_release_devq(void *arg) 642{ 643 struct sbp_dev *sdev; 644 int s; 645 646 sdev = (struct sbp_dev *)arg; 647SBP_DEBUG(0) 648 sbp_show_sdev_info(sdev, 2); 649 printf("sbp_release_devq\n"); 650END_DEBUG 651 s = splcam(); 652 xpt_release_devq(sdev->path, 1, TRUE); 653 splx(s); 654} 655#endif 656 657static void 658sbp_post_explore(void *arg) 659{ 660 struct sbp_softc *sbp = (struct sbp_softc *)arg; 661 struct sbp_target *target; 662 struct fw_device *fwdev; 663 int i, alive; 664 665SBP_DEBUG(1) 666 printf("sbp_post_explore\n"); 667END_DEBUG 668#if 0 669 xpt_freeze_simq(sbp->sim, /*count*/ 1); 670#endif 671 /* Gabage Collection */ 672 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){ 673 target = &sbp->targets[i]; 674 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) 675 if (target->fwdev == NULL || target->fwdev == fwdev) 676 break; 677 if(fwdev == NULL){ 678 /* device has removed in lower driver */ 679 sbp_cam_detach_target(target); 680 if (target->luns != NULL) 681 free(target->luns, M_SBP); 682 target->num_lun = 0;; 683 target->luns = NULL; 684 target->fwdev = NULL; 685 } 686 } 687 /* traverse device list */ 688 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) { 689SBP_DEBUG(0) 690 printf("sbp_post_explore: EUI:%08x%08x ", 691 fwdev->eui.hi, fwdev->eui.lo); 692 if (fwdev->status == FWDEVATTACHED) { 693 printf("spec=%d key=%d.\n", 694 getcsrdata(fwdev, CSRKEY_SPEC) == CSRVAL_ANSIT10, 695 getcsrdata(fwdev, CSRKEY_VER) == CSRVAL_T10SBP2); 696 } else { 697 printf("not attached, state=%d.\n", fwdev->status); 698 } 699END_DEBUG 700 alive = (fwdev->status == FWDEVATTACHED) 701 && (getcsrdata(fwdev, CSRKEY_SPEC) == CSRVAL_ANSIT10) 702 && (getcsrdata(fwdev, CSRKEY_VER) == CSRVAL_T10SBP2); 703 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){ 704 target = &sbp->targets[i]; 705 if(target->fwdev == fwdev ) { 706 /* known target */ 707 break; 708 } 709 } 710 if(i == SBP_NUM_TARGETS){ 711 if (alive) { 712 /* new target */ 713 target = sbp_alloc_target(sbp, fwdev); 714 if (target == NULL) 715 continue; 716 } else { 717 continue; 718 } 719 } 720 sbp_probe_target(target, alive); 721 } 722#if 0 723 timeout(sbp_release_queue, (caddr_t)sbp, bus_reset_rest * hz / 1000); 724#endif 725} 726 727#if NEED_RESPONSE 728static void 729sbp_loginres_callback(struct fw_xfer *xfer){ 730SBP_DEBUG(1) 731 struct sbp_dev *sdev; 732 sdev = (struct sbp_dev *)xfer->sc; 733 sbp_show_sdev_info(sdev, 2); 734 printf("sbp_loginres_callback\n"); 735END_DEBUG 736 fw_xfer_free(xfer); 737 return; 738} 739#endif 740 741static void 742sbp_login_callback(struct fw_xfer *xfer) 743{ 744SBP_DEBUG(1) 745 struct sbp_dev *sdev; 746 sdev = (struct sbp_dev *)xfer->sc; 747 sbp_show_sdev_info(sdev, 2); 748 printf("sbp_login_callback\n"); 749END_DEBUG 750 fw_xfer_free(xfer); 751 return; 752} 753 754static void 755sbp_cmd_callback(struct fw_xfer *xfer) 756{ 757SBP_DEBUG(2) 758 struct sbp_dev *sdev; 759 sdev = (struct sbp_dev *)xfer->sc; 760 sbp_show_sdev_info(sdev, 2); 761 printf("sbp_cmd_callback\n"); 762END_DEBUG 763 fw_xfer_free(xfer); 764 return; 765} 766 767static void 768sbp_cam_callback(struct cam_periph *periph, union ccb *ccb) 769{ 770 struct sbp_dev *sdev; 771 sdev = (struct sbp_dev *) ccb->ccb_h.ccb_sdev_ptr; 772SBP_DEBUG(0) 773 sbp_show_sdev_info(sdev, 2); 774 printf("sbp_cam_callback\n"); 775END_DEBUG 776 sdev->status = SBP_DEV_ATTACHED; 777 free(ccb, M_SBP); 778} 779 780static void 781sbp_cam_scan_lun(struct sbp_dev *sdev) 782{ 783 union ccb *ccb; 784 785 ccb = malloc(sizeof(union ccb), M_SBP, M_NOWAIT | M_ZERO); 786 if (ccb == NULL) { 787 printf("sbp_cam_scan_lun: malloc failed\n"); 788 return; 789 } 790 791SBP_DEBUG(0) 792 sbp_show_sdev_info(sdev, 2); 793 printf("sbp_cam_scan_lun\n"); 794END_DEBUG 795 xpt_setup_ccb(&ccb->ccb_h, sdev->path, 5/*priority (low)*/); 796 ccb->ccb_h.func_code = XPT_SCAN_LUN; 797 ccb->ccb_h.cbfcnp = sbp_cam_callback; 798 ccb->crcn.flags = CAM_FLAG_NONE; 799 ccb->ccb_h.ccb_sdev_ptr = sdev; 800 xpt_action(ccb); 801 802 /* The scan is in progress now. */ 803} 804 805 806static void 807sbp_ping_unit_callback(struct cam_periph *periph, union ccb *ccb) 808{ 809 struct sbp_dev *sdev; 810 sdev = (struct sbp_dev *) ccb->ccb_h.ccb_sdev_ptr; 811SBP_DEBUG(0) 812 sbp_show_sdev_info(sdev, 2); 813 printf("sbp_ping_unit_callback\n"); 814END_DEBUG 815 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 816 if (--ccb->ccb_h.retry_count == 0) { 817 sbp_show_sdev_info(sdev, 2); 818 printf("sbp_ping_unit_callback: " 819 "retry count exceeded\n"); 820 sdev->status = SBP_DEV_RETRY; 821 free(ccb, M_SBP); 822 } else { 823 /* requeue */ 824 xpt_action(ccb); 825 xpt_release_devq(sdev->path, 1, TRUE); 826 } 827 } else { 828 free(ccb->csio.data_ptr, M_SBP); 829 free(ccb, M_SBP); 830 sdev->status = SBP_DEV_ATTACHED; 831 xpt_release_devq(sdev->path, 1, TRUE); 832 } 833} 834 835/* 836 * XXX Some devices need to execute inquiry or read_capacity 837 * after bus_rest during busy transfer. 838 * Otherwise they return incorrect result for READ(and WRITE?) 839 * command without any SBP-II/SCSI error. 840 * 841 * e.g. Maxtor 3000XT, Yano A-dish. 842 */ 843static void 844sbp_ping_unit(struct sbp_dev *sdev) 845{ 846 union ccb *ccb; 847 struct scsi_inquiry_data *inq_buf; 848 849 850 ccb = malloc(sizeof(union ccb), M_SBP, M_NOWAIT | M_ZERO); 851 if (ccb == NULL) { 852 printf("sbp_ping_unit: malloc failed\n"); 853 return; 854 } 855 856 inq_buf = (struct scsi_inquiry_data *) 857 malloc(sizeof(*inq_buf), M_SBP, M_NOWAIT); 858 if (inq_buf == NULL) { 859 free(ccb, M_SBP); 860 printf("sbp_ping_unit: malloc failed\n"); 861 return; 862 } 863 864SBP_DEBUG(0) 865 sbp_show_sdev_info(sdev, 2); 866 printf("sbp_ping_unit\n"); 867END_DEBUG 868 869 /* 870 * We need to execute this command before any other queued command. 871 * Make priority 0 and freeze queue after execution for retry. 872 * cam's scan_lun command doesn't provide this feature. 873 */ 874 xpt_setup_ccb(&ccb->ccb_h, sdev->path, 0/*priority (high)*/); 875 scsi_inquiry( 876 &ccb->csio, 877 /*retries*/ 5, 878 sbp_ping_unit_callback, 879 MSG_SIMPLE_Q_TAG, 880 (u_int8_t *)inq_buf, 881 SHORT_INQUIRY_LENGTH, 882 /*evpd*/FALSE, 883 /*page_code*/0, 884 SSD_MIN_SIZE, 885 /*timeout*/60000 886 ); 887 ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 888 xpt_action(ccb); 889 890 if (sdev->status == SBP_DEV_RETRY) 891 /* freezed twice */ 892 xpt_release_devq(sdev->path, 1, TRUE); 893} 894 895static void 896sbp_do_attach(struct fw_xfer *xfer) 897{ 898 struct sbp_dev *sdev; 899 900 sdev = (struct sbp_dev *)xfer->sc; 901SBP_DEBUG(0) 902 sbp_show_sdev_info(sdev, 2); 903 printf("sbp_do_attach\n"); 904END_DEBUG 905 fw_xfer_free(xfer); 906 if (sdev->path == NULL) 907 xpt_create_path(&sdev->path, xpt_periph, 908 cam_sim_path(sdev->target->sbp->sim), 909 sdev->target->target_id, sdev->lun_id); 910 911 if (sdev->status == SBP_DEV_RETRY) { 912 sbp_ping_unit(sdev); 913 sdev->status = SBP_DEV_PROBE; 914 } else { 915 sdev->status = SBP_DEV_PROBE; 916 sbp_cam_scan_lun(sdev); 917 } 918 xpt_release_devq(sdev->path, 1, TRUE); 919 return; 920} 921 922static void 923sbp_agent_reset_callback(struct fw_xfer *xfer) 924{ 925 struct sbp_dev *sdev; 926 927 sdev = (struct sbp_dev *)xfer->sc; 928SBP_DEBUG(1) 929 sbp_show_sdev_info(sdev, 2); 930 printf("sbp_cmd_callback\n"); 931END_DEBUG 932 fw_xfer_free(xfer); 933 sbp_abort_all_ocbs(sdev, CAM_REQUEUE_REQ); 934 if (sdev->path) 935 xpt_release_devq(sdev->path, 1, TRUE); 936} 937 938static void 939sbp_agent_reset(struct sbp_dev *sdev) 940{ 941 struct fw_xfer *xfer; 942 struct fw_pkt *fp; 943 944SBP_DEBUG(0) 945 sbp_show_sdev_info(sdev, 2); 946 printf("sbp_agent_reset\n"); 947END_DEBUG 948 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x04); 949 if (xfer == NULL) 950 return; 951 if (sdev->status == SBP_DEV_ATTACHED) 952 xfer->act.hand = sbp_agent_reset_callback; 953 else 954 xfer->act.hand = sbp_do_attach; 955 fp = (struct fw_pkt *)xfer->send.buf; 956 fp->mode.wreqq.data = htonl(0xf); 957 fw_asyreq(xfer->fc, -1, xfer); 958} 959 960static void 961sbp_busy_timeout_callback(struct fw_xfer *xfer) 962{ 963 struct sbp_dev *sdev; 964 965 sdev = (struct sbp_dev *)xfer->sc; 966SBP_DEBUG(1) 967 sbp_show_sdev_info(sdev, 2); 968 printf("sbp_busy_timeout_callback\n"); 969END_DEBUG 970 fw_xfer_free(xfer); 971 sbp_agent_reset(sdev); 972} 973 974static void 975sbp_busy_timeout(struct sbp_dev *sdev) 976{ 977 struct fw_pkt *fp; 978 struct fw_xfer *xfer; 979SBP_DEBUG(0) 980 sbp_show_sdev_info(sdev, 2); 981 printf("sbp_busy_timeout\n"); 982END_DEBUG 983 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 984 985 xfer->act.hand = sbp_busy_timeout_callback; 986 fp = (struct fw_pkt *)xfer->send.buf; 987 fp->mode.wreqq.dest_hi = htons(0xffff); 988 fp->mode.wreqq.dest_lo = htonl(0xf0000000 | BUSY_TIMEOUT); 989 fp->mode.wreqq.data = htonl((1 << (13+12)) | 0xf); 990 fw_asyreq(xfer->fc, -1, xfer); 991} 992 993#if 0 994static void 995sbp_reset_start(struct sbp_dev *sdev) 996{ 997 struct fw_xfer *xfer; 998 struct fw_pkt *fp; 999 1000SBP_DEBUG(0) 1001 sbp_show_sdev_info(sdev, 2); 1002 printf("sbp_reset_start\n"); 1003END_DEBUG 1004 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 1005 1006 xfer->act.hand = sbp_busy_timeout; 1007 fp = (struct fw_pkt *)xfer->send.buf; 1008 fp->mode.wreqq.dest_hi = htons(0xffff); 1009 fp->mode.wreqq.dest_lo = htonl(0xf0000000 | RESET_START); 1010 fp->mode.wreqq.data = htonl(0xf); 1011 fw_asyreq(xfer->fc, -1, xfer); 1012} 1013#endif 1014 1015static void 1016sbp_orb_pointer(struct sbp_dev *sdev, struct sbp_ocb *ocb) 1017{ 1018 struct fw_xfer *xfer; 1019 struct fw_pkt *fp; 1020SBP_DEBUG(2) 1021 sbp_show_sdev_info(sdev, 2); 1022 printf("sbp_orb_pointer\n"); 1023END_DEBUG 1024 1025 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0x08); 1026 if (xfer == NULL) 1027 return; 1028 xfer->act.hand = sbp_cmd_callback; 1029 1030 fp = (struct fw_pkt *)xfer->send.buf; 1031 fp->mode.wreqb.len = htons(8); 1032 fp->mode.wreqb.extcode = 0; 1033 fp->mode.wreqb.payload[0] = 1034 htonl(((sdev->target->sbp->fd.fc->nodeid | FWLOCALBUS )<< 16)); 1035 fp->mode.wreqb.payload[1] = htonl(vtophys(&ocb->orb[0])); 1036 1037 if(fw_asyreq(xfer->fc, -1, xfer) != 0){ 1038 fw_xfer_free(xfer); 1039 ocb->ccb->ccb_h.status = CAM_REQ_INVALID; 1040 xpt_done(ocb->ccb); 1041 } 1042} 1043 1044static void 1045sbp_doorbell(struct sbp_dev *sdev) 1046{ 1047 struct fw_xfer *xfer; 1048 struct fw_pkt *fp; 1049SBP_DEBUG(1) 1050 sbp_show_sdev_info(sdev, 2); 1051 printf("sbp_doorbell\n"); 1052END_DEBUG 1053 1054 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x10); 1055 if (xfer == NULL) 1056 return; 1057 xfer->act.hand = sbp_cmd_callback; 1058 fp = (struct fw_pkt *)xfer->send.buf; 1059 fp->mode.wreqq.data = htonl(0xf); 1060 fw_asyreq(xfer->fc, -1, xfer); 1061} 1062 1063static struct fw_xfer * 1064sbp_write_cmd(struct sbp_dev *sdev, int tcode, int offset) 1065{ 1066 struct fw_xfer *xfer; 1067 struct fw_pkt *fp; 1068 1069 xfer = fw_xfer_alloc(M_SBP); 1070 if(xfer == NULL){ 1071 return NULL; 1072 } 1073 if (tcode == FWTCODE_WREQQ) 1074 xfer->send.len = 16; 1075 else 1076 xfer->send.len = 24; 1077 1078 xfer->send.buf = malloc(xfer->send.len, M_FW, M_NOWAIT); 1079 if(xfer->send.buf == NULL){ 1080 fw_xfer_free(xfer); 1081 return NULL; 1082 } 1083 1084 xfer->send.off = 0; 1085 xfer->spd = min(sdev->target->fwdev->speed, max_speed); 1086 xfer->sc = (caddr_t)sdev; 1087 xfer->fc = sdev->target->sbp->fd.fc; 1088 xfer->retry_req = fw_asybusy; 1089 1090 fp = (struct fw_pkt *)xfer->send.buf; 1091 fp->mode.wreqq.dest_hi = htons(sdev->login.cmd_hi); 1092 fp->mode.wreqq.dest_lo = htonl(sdev->login.cmd_lo + offset); 1093 fp->mode.wreqq.tlrt = 0; 1094 fp->mode.wreqq.tcode = tcode; 1095 fp->mode.wreqq.pri = 0; 1096 xfer->dst = FWLOCALBUS | sdev->target->fwdev->dst; 1097 fp->mode.wreqq.dst = htons(xfer->dst); 1098 1099 return xfer; 1100 1101} 1102 1103static void 1104sbp_mgm_orb(struct sbp_dev *sdev, int func, u_int16_t orb_hi, u_int32_t orb_lo) 1105{ 1106 struct fw_xfer *xfer; 1107 struct fw_pkt *fp; 1108 struct sbp_ocb *ocb; 1109 int s, nid; 1110 1111 if ((ocb = sbp_get_ocb(sdev->target->sbp)) == NULL) { 1112 s = splfw(); 1113 sdev->target->sbp->flags |= SBP_RESOURCE_SHORTAGE; 1114 splx(s); 1115 return; 1116 } 1117 ocb->flags = OCB_ACT_MGM; 1118 ocb->sdev = sdev; 1119 ocb->ccb = NULL; 1120 1121 nid = sdev->target->sbp->fd.fc->nodeid | FWLOCALBUS; 1122 bzero((void *)(uintptr_t)(volatile void *)ocb->orb, sizeof(ocb->orb)); 1123 ocb->orb[6] = htonl((nid << 16) | SBP_BIND_HI); 1124 ocb->orb[7] = htonl(SBP_DEV2ADDR( 1125 device_get_unit(sdev->target->sbp->fd.dev), 1126 sdev->target->target_id, 1127 sdev->lun_id)); 1128 1129SBP_DEBUG(0) 1130 sbp_show_sdev_info(sdev, 2); 1131 printf("%s\n", orb_fun_name[(func>>16)&0xf]); 1132END_DEBUG 1133 switch (func) { 1134 case ORB_FUN_LGI: 1135 ocb->orb[2] = htonl(nid << 16); 1136 ocb->orb[3] = htonl(vtophys(&sdev->login)); 1137 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_EXV | sdev->lun_id); 1138 ocb->orb[5] = htonl(sizeof(struct sbp_login_res)); 1139 break; 1140 case ORB_FUN_ATA: 1141 ocb->orb[0] = htonl((0 << 16) | orb_hi); 1142 ocb->orb[1] = htonl(orb_lo); 1143 /* fall through */ 1144 case ORB_FUN_RCN: 1145 case ORB_FUN_LGO: 1146 case ORB_FUN_LUR: 1147 case ORB_FUN_RST: 1148 case ORB_FUN_ATS: 1149 ocb->orb[4] = htonl(ORB_NOTIFY | func | sdev->login.id); 1150 break; 1151 } 1152 1153 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0); 1154 if(xfer == NULL){ 1155 return; 1156 } 1157 xfer->act.hand = sbp_login_callback; 1158 1159 fp = (struct fw_pkt *)xfer->send.buf; 1160 fp->mode.wreqb.dest_hi = htons(sdev->target->mgm_hi); 1161 fp->mode.wreqb.dest_lo = htonl(sdev->target->mgm_lo); 1162 fp->mode.wreqb.len = htons(8); 1163 fp->mode.wreqb.extcode = 0; 1164 fp->mode.wreqb.payload[0] = htonl(nid << 16); 1165 fp->mode.wreqb.payload[1] = htonl(vtophys(&ocb->orb[0])); 1166 sbp_enqueue_ocb(sdev, ocb); 1167 1168 fw_asyreq(xfer->fc, -1, xfer); 1169} 1170 1171static void 1172sbp_print_scsi_cmd(struct sbp_ocb *ocb) 1173{ 1174 struct ccb_scsiio *csio; 1175 1176 csio = &ocb->ccb->csio; 1177 printf("%s:%d:%d XPT_SCSI_IO: " 1178 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 1179 ", flags: 0x%02x, " 1180 "%db cmd/%db data/%db sense\n", 1181 device_get_nameunit(ocb->sdev->target->sbp->fd.dev), 1182 ocb->ccb->ccb_h.target_id, ocb->ccb->ccb_h.target_lun, 1183 csio->cdb_io.cdb_bytes[0], 1184 csio->cdb_io.cdb_bytes[1], 1185 csio->cdb_io.cdb_bytes[2], 1186 csio->cdb_io.cdb_bytes[3], 1187 csio->cdb_io.cdb_bytes[4], 1188 csio->cdb_io.cdb_bytes[5], 1189 csio->cdb_io.cdb_bytes[6], 1190 csio->cdb_io.cdb_bytes[7], 1191 csio->cdb_io.cdb_bytes[8], 1192 csio->cdb_io.cdb_bytes[9], 1193 ocb->ccb->ccb_h.flags & CAM_DIR_MASK, 1194 csio->cdb_len, csio->dxfer_len, 1195 csio->sense_len); 1196} 1197 1198static void 1199sbp_scsi_status(struct sbp_status *sbp_status, struct sbp_ocb *ocb) 1200{ 1201 struct sbp_cmd_status *sbp_cmd_status; 1202 struct scsi_sense_data *sense; 1203 1204 sbp_cmd_status = (struct sbp_cmd_status *)sbp_status->data; 1205 sense = &ocb->ccb->csio.sense_data; 1206 1207SBP_DEBUG(0) 1208 sbp_print_scsi_cmd(ocb); 1209 /* XXX need decode status */ 1210 sbp_show_sdev_info(ocb->sdev, 2); 1211 printf("SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d", 1212 sbp_cmd_status->status, 1213 sbp_cmd_status->sfmt, 1214 sbp_cmd_status->valid, 1215 sbp_cmd_status->s_key, 1216 sbp_cmd_status->s_code, 1217 sbp_cmd_status->s_qlfr, 1218 sbp_status->len 1219 ); 1220#if 0 /* XXX */ 1221 if (sbp_cmd_status->status == SCSI_STATUS_CHECK_COND) { 1222 printf(" %s\n", scsi_sense_key_text[sbp_cmd_status->s_key]); 1223 scsi_sense_desc( 1224 sbp_cmd_status->s_code, 1225 sbp_cmd_status->s_qlfr, 1226 ocb->ccb->ccb_h.path->device->inq_data 1227 ) 1228 } else { 1229 printf("\n"); 1230 } 1231#else 1232 printf("\n"); 1233#endif 1234END_DEBUG 1235 1236 switch (sbp_cmd_status->status) { 1237 case SCSI_STATUS_CHECK_COND: 1238 case SCSI_STATUS_BUSY: 1239 case SCSI_STATUS_CMD_TERMINATED: 1240 if(sbp_cmd_status->sfmt == SBP_SFMT_CURR){ 1241 sense->error_code = SSD_CURRENT_ERROR; 1242 }else{ 1243 sense->error_code = SSD_DEFERRED_ERROR; 1244 } 1245 if(sbp_cmd_status->valid) 1246 sense->error_code |= SSD_ERRCODE_VALID; 1247 sense->flags = sbp_cmd_status->s_key; 1248 if(sbp_cmd_status->mark) 1249 sense->flags |= SSD_FILEMARK; 1250 if(sbp_cmd_status->eom) 1251 sense->flags |= SSD_EOM; 1252 if(sbp_cmd_status->ill_len) 1253 sense->flags |= SSD_ILI; 1254 sense->info[0] = ntohl(sbp_cmd_status->info) & 0xff; 1255 sense->info[1] =(ntohl(sbp_cmd_status->info) >> 8) & 0xff; 1256 sense->info[2] =(ntohl(sbp_cmd_status->info) >> 16) & 0xff; 1257 sense->info[3] =(ntohl(sbp_cmd_status->info) >> 24) & 0xff; 1258 if (sbp_status->len <= 1) 1259 /* XXX not scsi status. shouldn't be happened */ 1260 sense->extra_len = 0; 1261 else if (sbp_status->len <= 4) 1262 /* add_sense_code(_qual), info, cmd_spec_info */ 1263 sense->extra_len = 6; 1264 else 1265 /* fru, sense_key_spec */ 1266 sense->extra_len = 10; 1267 sense->cmd_spec_info[0] = ntohl(sbp_cmd_status->cdb) & 0xff; 1268 sense->cmd_spec_info[1] = (ntohl(sbp_cmd_status->cdb) >> 8) & 0xff; 1269 sense->cmd_spec_info[2] = (ntohl(sbp_cmd_status->cdb) >> 16) & 0xff; 1270 sense->cmd_spec_info[3] = (ntohl(sbp_cmd_status->cdb) >> 24) & 0xff; 1271 sense->add_sense_code = sbp_cmd_status->s_code; 1272 sense->add_sense_code_qual = sbp_cmd_status->s_qlfr; 1273 sense->fru = sbp_cmd_status->fru; 1274 sense->sense_key_spec[0] = ntohl(sbp_cmd_status->s_keydep) & 0xff; 1275 sense->sense_key_spec[1] = (ntohl(sbp_cmd_status->s_keydep) >>8) & 0xff; 1276 sense->sense_key_spec[2] = (ntohl(sbp_cmd_status->s_keydep) >>16) & 0xff; 1277 1278 ocb->ccb->csio.scsi_status = sbp_cmd_status->status;; 1279 ocb->ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR 1280 | CAM_AUTOSNS_VALID; 1281/* 1282{ 1283 u_int8_t j, *tmp; 1284 tmp = sense; 1285 for( j = 0 ; j < 32 ; j+=8){ 1286 printf("sense %02x%02x %02x%02x %02x%02x %02x%02x\n", 1287 tmp[j], tmp[j+1], tmp[j+2], tmp[j+3], 1288 tmp[j+4], tmp[j+5], tmp[j+6], tmp[j+7]); 1289 } 1290 1291} 1292*/ 1293 break; 1294 default: 1295 sbp_show_sdev_info(ocb->sdev, 2); 1296 printf("sbp_scsi_status: unknown scsi status 0x%x\n", 1297 sbp_cmd_status->status); 1298 } 1299} 1300 1301static void 1302sbp_fix_inq_data(struct sbp_ocb *ocb) 1303{ 1304 union ccb *ccb; 1305 struct sbp_dev *sdev; 1306 struct scsi_inquiry_data *inq; 1307 1308 ccb = ocb->ccb; 1309 sdev = ocb->sdev; 1310 1311 if (ccb->csio.cdb_io.cdb_bytes[1] & SI_EVPD) 1312 return; 1313SBP_DEBUG(1) 1314 sbp_show_sdev_info(sdev, 2); 1315 printf("sbp_fix_inq_data\n"); 1316END_DEBUG 1317 inq = (struct scsi_inquiry_data *) ccb->csio.data_ptr; 1318 switch (SID_TYPE(inq)) { 1319 case T_DIRECT: 1320 /* 1321 * XXX Convert Direct Access device to RBC. 1322 * I've never seen FireWire DA devices which support READ_6. 1323 */ 1324#if 1 1325 if (SID_TYPE(inq) == T_DIRECT) 1326 inq->device |= T_RBC; /* T_DIRECT == 0 */ 1327#endif 1328 /* fall through */ 1329 case T_RBC: 1330 /* disable tag queuing */ 1331 inq->flags &= ~SID_CmdQue; 1332 /* 1333 * Override vendor/product/revision information. 1334 * Some devices sometimes return strange strings. 1335 */ 1336 bcopy(sdev->vendor, inq->vendor, sizeof(inq->vendor)); 1337 bcopy(sdev->product, inq->product, sizeof(inq->product)); 1338 bcopy(sdev->revision+2, inq->revision, sizeof(inq->revision)); 1339 break; 1340 } 1341} 1342 1343static void 1344sbp_recv1(struct fw_xfer *xfer){ 1345 struct fw_pkt *rfp; 1346#if NEED_RESPONSE 1347 struct fw_pkt *sfp; 1348#endif 1349 struct sbp_softc *sbp; 1350 struct sbp_dev *sdev; 1351 struct sbp_ocb *ocb; 1352 struct sbp_login_res *login_res = NULL; 1353 struct sbp_status *sbp_status; 1354 struct sbp_target *target; 1355 int orb_fun, status_valid, t, l; 1356 u_int32_t addr; 1357/* 1358 u_int32_t *ld; 1359 ld = xfer->recv.buf; 1360printf("sbp %x %d %d %08x %08x %08x %08x\n", 1361 xfer->resp, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3])); 1362printf("sbp %08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 1363printf("sbp %08x %08x %08x %08x\n", ntohl(ld[8]), ntohl(ld[9]), ntohl(ld[10]), ntohl(ld[11])); 1364*/ 1365 if(xfer->resp != 0){ 1366 printf("sbp_recv: xfer->resp != 0\n"); 1367 fw_xfer_free( xfer); 1368 return; 1369 } 1370 if(xfer->recv.buf == NULL){ 1371 printf("sbp_recv: xfer->recv.buf == NULL\n"); 1372 fw_xfer_free( xfer); 1373 return; 1374 } 1375 sbp = (struct sbp_softc *)xfer->sc; 1376 rfp = (struct fw_pkt *)xfer->recv.buf; 1377 if(rfp->mode.wreqb.tcode != FWTCODE_WREQB){ 1378 printf("sbp_recv: tcode = %d\n", rfp->mode.wreqb.tcode); 1379 fw_xfer_free( xfer); 1380 return; 1381 } 1382 sbp_status = (struct sbp_status *)rfp->mode.wreqb.payload; 1383 addr = ntohl(rfp->mode.wreqb.dest_lo); 1384SBP_DEBUG(2) 1385 printf("received address 0x%x\n", addr); 1386END_DEBUG 1387 t = SBP_ADDR2TRG(addr); 1388 if (t >= SBP_NUM_TARGETS) { 1389 device_printf(sbp->fd.dev, 1390 "sbp_recv1: invalid target %d\n", t); 1391 fw_xfer_free(xfer); 1392 return; 1393 } 1394 target = &sbp->targets[t]; 1395 l = SBP_ADDR2LUN(addr); 1396 if (l >= target->num_lun) { 1397 device_printf(sbp->fd.dev, 1398 "sbp_recv1: invalid lun %d (target=%d)\n", l, t); 1399 fw_xfer_free(xfer); 1400 return; 1401 } 1402 sdev = &target->luns[l]; 1403 1404 ocb = NULL; 1405 switch (sbp_status->src) { 1406 case 0: 1407 case 1: 1408 ocb = sbp_dequeue_ocb(sdev, ntohl(sbp_status->orb_lo)); 1409 if (ocb == NULL) { 1410 sbp_show_sdev_info(sdev, 2); 1411 printf("No ocb on the queue\n"); 1412 } 1413 break; 1414 case 2: 1415 /* unsolicit */ 1416 sbp_show_sdev_info(sdev, 2); 1417 printf("unsolicit status received\n"); 1418 break; 1419 default: 1420 sbp_show_sdev_info(sdev, 2); 1421 printf("unknown sbp_status->src\n"); 1422 } 1423 1424 status_valid = (sbp_status->src < 2 1425 && sbp_status->resp == ORB_RES_CMPL 1426 && sbp_status->dead == 0 1427 && sbp_status->status == 0); 1428 1429 if (!status_valid || debug > 1){ 1430 int status; 1431SBP_DEBUG(0) 1432 sbp_show_sdev_info(sdev, 2); 1433 printf("ORB status src:%x resp:%x dead:%x" 1434#if __FreeBSD_version >= 500000 1435 " len:%x stat:%x orb:%x%08x\n", 1436#else 1437 " len:%x stat:%x orb:%x%08lx\n", 1438#endif 1439 sbp_status->src, sbp_status->resp, sbp_status->dead, 1440 sbp_status->len, sbp_status->status, 1441 ntohs(sbp_status->orb_hi), ntohl(sbp_status->orb_lo)); 1442END_DEBUG 1443 sbp_show_sdev_info(sdev, 2); 1444 status = sbp_status->status; 1445 switch(sbp_status->resp) { 1446 case 0: 1447 if (status > MAX_ORB_STATUS0) 1448 printf("%s\n", orb_status0[MAX_ORB_STATUS0]); 1449 else 1450 printf("%s\n", orb_status0[status]); 1451 break; 1452 case 1: 1453 printf("Obj: %s, Error: %s\n", 1454 orb_status1_object[(status>>6) & 3], 1455 orb_status1_serial_bus_error[status & 0xf]); 1456 break; 1457 case 2: 1458 printf("Illegal request\n"); 1459 break; 1460 case 3: 1461 printf("Vendor dependent\n"); 1462 break; 1463 default: 1464 printf("unknown respose code %d\n", sbp_status->resp); 1465 } 1466 } 1467 1468 /* we have to reset the fetch agent if it's dead */ 1469 if (sbp_status->dead) { 1470 if (sdev->path) 1471 xpt_freeze_devq(sdev->path, 1); 1472 sbp_agent_reset(sdev); 1473 } 1474 1475 if (ocb == NULL) { 1476 fw_xfer_free(xfer); 1477 return; 1478 } 1479 1480 sdev->flags &= ~SBP_DEV_TIMEOUT; 1481 1482 switch(ntohl(ocb->orb[4]) & ORB_FMT_MSK){ 1483 case ORB_FMT_NOP: 1484 break; 1485 case ORB_FMT_VED: 1486 break; 1487 case ORB_FMT_STD: 1488 switch(ocb->flags & OCB_ACT_MASK){ 1489 case OCB_ACT_MGM: 1490 orb_fun = ntohl(ocb->orb[4]) & ORB_FUN_MSK; 1491 switch(orb_fun) { 1492 case ORB_FUN_LGI: 1493 login_res = &sdev->login; 1494 login_res->len = ntohs(login_res->len); 1495 login_res->id = ntohs(login_res->id); 1496 login_res->cmd_hi = ntohs(login_res->cmd_hi); 1497 login_res->cmd_lo = ntohl(login_res->cmd_lo); 1498 if (status_valid) { 1499SBP_DEBUG(0) 1500sbp_show_sdev_info(sdev, 2); 1501printf("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)); 1502END_DEBUG 1503#if 1 1504 sbp_busy_timeout(sdev); 1505#else 1506 sbp_mgm_orb(sdev, ORB_FUN_ATS, 0, 0); 1507#endif 1508 } else { 1509 /* forgot logout? */ 1510 sbp_show_sdev_info(sdev, 2); 1511 printf("login failed\n"); 1512 sdev->status = SBP_DEV_RESET; 1513 } 1514 break; 1515 case ORB_FUN_RCN: 1516 login_res = &sdev->login; 1517 if (status_valid) { 1518SBP_DEBUG(0) 1519sbp_show_sdev_info(sdev, 2); 1520printf("reconnect: len %d, ID %d, cmd %08x%08x\n", login_res->len, login_res->id, login_res->cmd_hi, login_res->cmd_lo); 1521END_DEBUG 1522#if 1 1523 sbp_ping_unit(sdev); 1524 sdev->status = SBP_DEV_ATTACHED; 1525 xpt_release_devq(sdev->path, 1, TRUE); 1526#else 1527 sdev->status = SBP_DEV_ATTACHED; 1528 sbp_mgm_orb(sdev, ORB_FUN_ATS, 0, 0); 1529#endif 1530 } else { 1531 /* reconnection hold time exceed? */ 1532SBP_DEBUG(0) 1533 sbp_show_sdev_info(sdev, 2); 1534 printf("reconnect failed\n"); 1535END_DEBUG 1536 sbp_mgm_orb(sdev, ORB_FUN_LGI, 0, 0); 1537 } 1538 break; 1539 case ORB_FUN_LGO: 1540 sdev->status = SBP_DEV_RESET; 1541 break; 1542 case ORB_FUN_RST: 1543 sbp_busy_timeout(sdev); 1544 break; 1545 case ORB_FUN_LUR: 1546 case ORB_FUN_ATA: 1547 case ORB_FUN_ATS: 1548 sbp_agent_reset(sdev); 1549 break; 1550 default: 1551 sbp_show_sdev_info(sdev, 2); 1552 printf("unknown function %d\n", orb_fun); 1553 break; 1554 } 1555 break; 1556 case OCB_ACT_CMD: 1557 if(ocb->ccb != NULL){ 1558 union ccb *ccb; 1559/* 1560 u_int32_t *ld; 1561 ld = ocb->ccb->csio.data_ptr; 1562 if(ld != NULL && ocb->ccb->csio.dxfer_len != 0) 1563 printf("ptr %08x %08x %08x %08x\n", ld[0], ld[1], ld[2], ld[3]); 1564 else 1565 printf("ptr NULL\n"); 1566printf("len %d\n", sbp_status->len); 1567*/ 1568 ccb = ocb->ccb; 1569 if(sbp_status->len > 1){ 1570 sbp_scsi_status(sbp_status, ocb); 1571 }else{ 1572 if(sbp_status->resp != ORB_RES_CMPL){ 1573 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1574 }else{ 1575 ccb->ccb_h.status = CAM_REQ_CMP; 1576 } 1577 } 1578 /* fix up inq data */ 1579 if (ccb->csio.cdb_io.cdb_bytes[0] == INQUIRY) 1580 sbp_fix_inq_data(ocb); 1581 xpt_done(ccb); 1582 } 1583 break; 1584 default: 1585 break; 1586 } 1587 } 1588 1589 if (!(ocb->flags & OCB_RESERVED)) 1590 sbp_free_ocb(sbp, ocb); 1591 1592/* The received packet is usually small enough to be stored within 1593 * the buffer. In that case, the controller return ack_complete and 1594 * no respose is necessary. 1595 * 1596 * XXX fwohci.c and firewire.c should inform event_code such as 1597 * ack_complete or ack_pending to upper driver. 1598 */ 1599#if NEED_RESPONSE 1600 xfer->send.buf = malloc(12, M_SBP, M_NOWAIT | M_ZERO); 1601 xfer->send.len = 12; 1602 xfer->send.off = 0; 1603 sfp = (struct fw_pkt *)xfer->send.buf; 1604 sfp->mode.wres.dst = rfp->mode.wreqb.src; 1605 xfer->dst = ntohs(sfp->mode.wres.dst); 1606 xfer->spd = min(sdev->target->fwdev->speed, max_speed); 1607 xfer->act.hand = sbp_loginres_callback; 1608 xfer->retry_req = fw_asybusy; 1609 1610 sfp->mode.wres.tlrt = rfp->mode.wreqb.tlrt; 1611 sfp->mode.wres.tcode = FWTCODE_WRES; 1612 sfp->mode.wres.rtcode = 0; 1613 sfp->mode.wres.pri = 0; 1614 1615 fw_asyreq(xfer->fc, -1, xfer); 1616#else 1617 fw_xfer_free(xfer); 1618#endif 1619 1620 return; 1621 1622} 1623 1624static void 1625sbp_recv(struct fw_xfer *xfer) 1626{ 1627 int s; 1628 1629 s = splcam(); 1630 sbp_recv1(xfer); 1631 splx(s); 1632} 1633/* 1634 * sbp_attach() 1635 */ 1636static int 1637sbp_attach(device_t dev) 1638{ 1639 struct sbp_softc *sbp; 1640 struct cam_devq *devq; 1641 struct fw_xfer *xfer; 1642 int i, s, error; 1643 1644SBP_DEBUG(0) 1645 printf("sbp_attach\n"); 1646END_DEBUG 1647 1648 sbp = ((struct sbp_softc *)device_get_softc(dev)); 1649 bzero(sbp, sizeof(struct sbp_softc)); 1650 sbp->fd.dev = dev; 1651 sbp->fd.fc = device_get_ivars(dev); 1652 error = bus_dma_tag_create(/*parent*/NULL, /*alignment*/1, 1653 /*boundary*/0, 1654 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, 1655 /*highaddr*/BUS_SPACE_MAXADDR, 1656 /*filter*/NULL, /*filterarg*/NULL, 1657 /*maxsize*/0x100000, /*nsegments*/SBP_IND_MAX, 1658 /*maxsegsz*/0x8000, 1659 /*flags*/BUS_DMA_ALLOCNOW, 1660 &sbp->dmat); 1661 if (error != 0) { 1662 printf("sbp_attach: Could not allocate DMA tag " 1663 "- error %d\n", error); 1664 return (ENOMEM); 1665 } 1666 1667 devq = cam_simq_alloc(/*maxopenings*/SBP_NUM_OCB); 1668 if (devq == NULL) 1669 return (ENXIO); 1670 1671 for( i = 0 ; i < SBP_NUM_TARGETS ; i++){ 1672 sbp->targets[i].fwdev = NULL; 1673 sbp->targets[i].luns = NULL; 1674 } 1675 1676 sbp->sim = cam_sim_alloc(sbp_action, sbp_poll, "sbp", sbp, 1677 device_get_unit(dev), 1678 /*untagged*/ SBP_QUEUE_LEN, 1679 /*tagged*/0, devq); 1680 1681 if (sbp->sim == NULL) { 1682 cam_simq_free(devq); 1683 return (ENXIO); 1684 } 1685 1686 sbp->ocb = (struct sbp_ocb *) contigmalloc( 1687 sizeof (struct sbp_ocb) * SBP_NUM_OCB, 1688 M_SBP, M_NOWAIT, 0x10000, 0xffffffff, PAGE_SIZE, 0ul); 1689 bzero(sbp->ocb, sizeof (struct sbp_ocb) * SBP_NUM_OCB); 1690 1691 if (sbp->ocb == NULL) { 1692 printf("sbp0: ocb alloction failure\n"); 1693 return (ENOMEM); 1694 } 1695 1696 STAILQ_INIT(&sbp->free_ocbs); 1697 for (i = 0; i < SBP_NUM_OCB; i++) { 1698 sbp_free_ocb(sbp, &sbp->ocb[i]); 1699 } 1700 1701 if (xpt_bus_register(sbp->sim, /*bus*/0) != CAM_SUCCESS) { 1702 cam_sim_free(sbp->sim, /*free_devq*/TRUE); 1703 contigfree(sbp->ocb, sizeof (struct sbp_ocb) * SBP_NUM_OCB, 1704 M_SBP); 1705 return (ENXIO); 1706 } 1707 1708 xfer = fw_xfer_alloc(M_SBP); 1709 xfer->act.hand = sbp_recv; 1710 xfer->act_type = FWACT_XFER; 1711#if NEED_RESPONSE 1712 xfer->fc = sbp->fd.fc; 1713#endif 1714 xfer->sc = (caddr_t)sbp; 1715 1716 sbp->fwb.start_hi = SBP_BIND_HI; 1717 sbp->fwb.start_lo = SBP_DEV2ADDR(device_get_unit(sbp->fd.dev), 0, 0); 1718 /* We reserve 16 bit space (4 bytes X 64 targets X 256 luns) */ 1719 sbp->fwb.addrlen = 0xffff; 1720 sbp->fwb.xfer = xfer; 1721 fw_bindadd(sbp->fd.fc, &sbp->fwb); 1722 1723 sbp->fd.post_explore = sbp_post_explore; 1724 s = splfw(); 1725 sbp_post_explore((void *)sbp); 1726 splx(s); 1727 1728 return (0); 1729} 1730 1731static int 1732sbp_logout_all(struct sbp_softc *sbp) 1733{ 1734 struct sbp_target *target; 1735 struct sbp_dev *sdev; 1736 int i, j; 1737 1738SBP_DEBUG(0) 1739 printf("sbp_logout_all\n"); 1740END_DEBUG 1741 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) { 1742 target = &sbp->targets[i]; 1743 if (target->luns == NULL) 1744 continue; 1745 for (j = 0; j < target->num_lun; j++) { 1746 sdev = &target->luns[j]; 1747 if (sdev->status >= SBP_DEV_TOATTACH && 1748 sdev->status <= SBP_DEV_ATTACHED) 1749 sbp_mgm_orb(sdev, ORB_FUN_LGO, 0, 0); 1750 } 1751 } 1752 return 0; 1753} 1754 1755static int 1756sbp_shutdown(device_t dev) 1757{ 1758 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 1759 1760 sbp_logout_all(sbp); 1761 return (0); 1762} 1763 1764static int 1765sbp_detach(device_t dev) 1766{ 1767 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 1768 struct firewire_comm *fc = sbp->fd.fc; 1769 int i; 1770 1771SBP_DEBUG(0) 1772 printf("sbp_detach\n"); 1773END_DEBUG 1774#if 0 1775 /* bus reset for logout */ 1776 sbp->fd.post_explore = NULL; 1777 fc->ibr(fc); 1778#endif 1779 1780 for (i = 0; i < SBP_NUM_TARGETS; i ++) 1781 sbp_cam_detach_target(&sbp->targets[i]); 1782 xpt_bus_deregister(cam_sim_path(sbp->sim)); 1783 1784 sbp_logout_all(sbp); 1785 /* XXX wait for logout completion */ 1786 tsleep(&i, FWPRI, "sbpdtc", hz/2); 1787 1788 fw_bindremove(fc, &sbp->fwb); 1789 contigfree(sbp->ocb, sizeof (struct sbp_ocb) * SBP_NUM_OCB, M_SBP); 1790 bus_dma_tag_destroy(sbp->dmat); 1791 1792 for (i = 0; i < SBP_NUM_TARGETS; i ++) 1793 if (sbp->targets[i].luns != NULL) 1794 free(sbp->targets[i].luns, M_SBP); 1795 1796 return (0); 1797} 1798 1799static void 1800sbp_cam_detach_target(struct sbp_target *target) 1801{ 1802 int i; 1803 struct sbp_dev *sdev; 1804 1805 if (target->luns != NULL) { 1806SBP_DEBUG(0) 1807 printf("sbp_detach_target %d\n", target->target_id); 1808END_DEBUG 1809 for (i = 0; i < target->num_lun; i++) { 1810 sdev = &target->luns[i]; 1811 if (sdev->status == SBP_DEV_RESET || 1812 sdev->status == SBP_DEV_DEAD) 1813 continue; 1814 if (sdev->path) { 1815 xpt_async(AC_LOST_DEVICE, sdev->path, NULL); 1816 xpt_free_path(sdev->path); 1817 sdev->path = NULL; 1818 } 1819 sbp_abort_all_ocbs(sdev, CAM_DEV_NOT_THERE); 1820 } 1821 } 1822} 1823 1824static void 1825sbp_timeout(void *arg) 1826{ 1827 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 1828 struct sbp_dev *sdev = ocb->sdev; 1829 1830 sbp_show_sdev_info(sdev, 2); 1831 printf("request timeout ... "); 1832 1833 xpt_freeze_devq(sdev->path, 1); 1834 sbp_abort_all_ocbs(sdev, CAM_CMD_TIMEOUT); 1835 if (sdev->flags & SBP_DEV_TIMEOUT) { 1836#if 0 1837 struct firewire_comm *fc; 1838 1839 printf("bus reset\n"); 1840 fc = sdev->target->sbp->fd.fc; 1841 fc->ibr(fc); 1842 sdev->status == SBP_DEV_RETRY; 1843#else 1844 printf("target reset\n"); 1845 sbp_mgm_orb(sdev, ORB_FUN_RST, 0, 0); 1846#endif 1847 sdev->flags &= ~SBP_DEV_TIMEOUT; 1848 } else { 1849 printf("agent reset\n"); 1850 sdev->flags |= SBP_DEV_TIMEOUT; 1851 sbp_agent_reset(sdev); 1852 } 1853 return; 1854} 1855 1856static void 1857sbp_action1(struct cam_sim *sim, union ccb *ccb) 1858{ 1859 1860 struct sbp_softc *sbp = (struct sbp_softc *)sim->softc; 1861 struct sbp_target *target = NULL; 1862 struct sbp_dev *sdev = NULL; 1863 1864 /* target:lun -> sdev mapping */ 1865 if (sbp != NULL 1866 && ccb->ccb_h.target_id != CAM_TARGET_WILDCARD 1867 && ccb->ccb_h.target_id < SBP_NUM_TARGETS) { 1868 target = &sbp->targets[ccb->ccb_h.target_id]; 1869 if (target->fwdev != NULL 1870 && ccb->ccb_h.target_lun != CAM_LUN_WILDCARD 1871 && ccb->ccb_h.target_lun < target->num_lun) { 1872 sdev = &target->luns[ccb->ccb_h.target_lun]; 1873 if (sdev->status != SBP_DEV_ATTACHED && 1874 sdev->status != SBP_DEV_PROBE) 1875 sdev = NULL; 1876 } 1877 } 1878 1879SBP_DEBUG(1) 1880 if (sdev == NULL) 1881 printf("invalid target %d lun %d\n", 1882 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 1883END_DEBUG 1884 1885 switch (ccb->ccb_h.func_code) { 1886 case XPT_SCSI_IO: 1887 case XPT_RESET_DEV: 1888 case XPT_GET_TRAN_SETTINGS: 1889 case XPT_SET_TRAN_SETTINGS: 1890 case XPT_CALC_GEOMETRY: 1891 if (sdev == NULL) { 1892SBP_DEBUG(1) 1893 printf("%s:%d:%d:func_code 0x%04x: " 1894 "Invalid target (target needed)\n", 1895 device_get_nameunit(sbp->fd.dev), 1896 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 1897 ccb->ccb_h.func_code); 1898END_DEBUG 1899 1900 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 1901 xpt_done(ccb); 1902 return; 1903 } 1904 break; 1905 case XPT_PATH_INQ: 1906 case XPT_NOOP: 1907 /* The opcodes sometimes aimed at a target (sc is valid), 1908 * sometimes aimed at the SIM (sc is invalid and target is 1909 * CAM_TARGET_WILDCARD) 1910 */ 1911 if (sbp == NULL && 1912 ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) { 1913SBP_DEBUG(0) 1914 printf("%s:%d:%d func_code 0x%04x: " 1915 "Invalid target (no wildcard)\n", 1916 device_get_nameunit(sbp->fd.dev), 1917 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 1918 ccb->ccb_h.func_code); 1919END_DEBUG 1920 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 1921 xpt_done(ccb); 1922 return; 1923 } 1924 break; 1925 default: 1926 /* XXX Hm, we should check the input parameters */ 1927 break; 1928 } 1929 1930 switch (ccb->ccb_h.func_code) { 1931 case XPT_SCSI_IO: 1932 { 1933 struct ccb_scsiio *csio; 1934 struct sbp_ocb *ocb; 1935 int s, speed; 1936 void *cdb; 1937 1938 csio = &ccb->csio; 1939 1940SBP_DEBUG(1) 1941 printf("%s:%d:%d XPT_SCSI_IO: " 1942 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 1943 ", flags: 0x%02x, " 1944 "%db cmd/%db data/%db sense\n", 1945 device_get_nameunit(sbp->fd.dev), 1946 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 1947 csio->cdb_io.cdb_bytes[0], 1948 csio->cdb_io.cdb_bytes[1], 1949 csio->cdb_io.cdb_bytes[2], 1950 csio->cdb_io.cdb_bytes[3], 1951 csio->cdb_io.cdb_bytes[4], 1952 csio->cdb_io.cdb_bytes[5], 1953 csio->cdb_io.cdb_bytes[6], 1954 csio->cdb_io.cdb_bytes[7], 1955 csio->cdb_io.cdb_bytes[8], 1956 csio->cdb_io.cdb_bytes[9], 1957 ccb->ccb_h.flags & CAM_DIR_MASK, 1958 csio->cdb_len, csio->dxfer_len, 1959 csio->sense_len); 1960END_DEBUG 1961 if(sdev == NULL){ 1962 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 1963 xpt_done(ccb); 1964 return; 1965 } 1966#if 0 1967 /* if we are in probe stage, pass only probe commands */ 1968 if (sdev->status == SBP_DEV_PROBE) { 1969 char *name; 1970 name = xpt_path_periph(ccb->ccb_h.path)->periph_name; 1971 printf("probe stage, periph name: %s\n", name); 1972 if (strcmp(name, "probe") != 0) { 1973 ccb->ccb_h.status = CAM_REQUEUE_REQ; 1974 xpt_done(ccb); 1975 return; 1976 } 1977 } 1978#endif 1979 if ((ocb = sbp_get_ocb(sbp)) == NULL) { 1980 s = splfw(); 1981 sbp->flags |= SBP_RESOURCE_SHORTAGE; 1982 splx(s); 1983 return; 1984 } 1985 ocb->flags = OCB_ACT_CMD; 1986 ocb->sdev = sdev; 1987 ocb->ccb = ccb; 1988 ccb->ccb_h.ccb_sdev_ptr = sdev; 1989 ocb->orb[0] = htonl(1 << 31); 1990 ocb->orb[1] = 0; 1991 ocb->orb[2] = htonl(((sbp->fd.fc->nodeid | FWLOCALBUS )<< 16) ); 1992 ocb->orb[3] = htonl(vtophys(ocb->ind_ptr)); 1993 speed = min(target->fwdev->speed, max_speed); 1994 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_CMD_SPD(speed) 1995 | ORB_CMD_MAXP(speed + 7)); 1996 if((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN){ 1997 ocb->orb[4] |= htonl(ORB_CMD_IN); 1998 } 1999 2000 if (csio->ccb_h.flags & CAM_SCATTER_VALID) 2001 printf("sbp: CAM_SCATTER_VALID\n"); 2002 if (csio->ccb_h.flags & CAM_DATA_PHYS) 2003 printf("sbp: CAM_DATA_PHYS\n"); 2004 2005 if (csio->ccb_h.flags & CAM_CDB_POINTER) 2006 cdb = (void *)csio->cdb_io.cdb_ptr; 2007 else 2008 cdb = (void *)&csio->cdb_io.cdb_bytes; 2009 bcopy(cdb, 2010 (void *)(uintptr_t)(volatile void *)&ocb->orb[5], 2011 csio->cdb_len); 2012/* 2013printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[0]), ntohl(ocb->orb[1]), ntohl(ocb->orb[2]), ntohl(ocb->orb[3])); 2014printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[4]), ntohl(ocb->orb[5]), ntohl(ocb->orb[6]), ntohl(ocb->orb[7])); 2015*/ 2016 if (ccb->csio.dxfer_len > 0) { 2017 int s; 2018 2019 if (bus_dmamap_create(sbp->dmat, 0, &ocb->dmamap)) { 2020 printf("sbp_action1: cannot create dmamap\n"); 2021 break; 2022 } 2023 2024 s = splsoftvm(); 2025 bus_dmamap_load(/*dma tag*/sbp->dmat, 2026 /*dma map*/ocb->dmamap, 2027 ccb->csio.data_ptr, 2028 ccb->csio.dxfer_len, 2029 sbp_execute_ocb, 2030 ocb, 2031 /*flags*/0); 2032 splx(s); 2033 } else 2034 sbp_execute_ocb(ocb, NULL, 0, 0); 2035 break; 2036 } 2037 case XPT_CALC_GEOMETRY: 2038 { 2039 struct ccb_calc_geometry *ccg; 2040 u_int32_t size_mb; 2041 u_int32_t secs_per_cylinder; 2042 int extended = 1; 2043 ccg = &ccb->ccg; 2044 2045 if (ccg->block_size == 0) { 2046 printf("sbp_action1: block_size is 0.\n"); 2047 ccb->ccb_h.status = CAM_REQ_INVALID; 2048 xpt_done(ccb); 2049 break; 2050 } 2051SBP_DEBUG(1) 2052 printf("%s:%d:%d:%d:XPT_CALC_GEOMETRY: " 2053 "Volume size = %d\n", 2054 device_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim), 2055 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2056 ccg->volume_size); 2057END_DEBUG 2058 2059 size_mb = ccg->volume_size 2060 / ((1024L * 1024L) / ccg->block_size); 2061 2062 if (size_mb >= 1024 && extended) { 2063 ccg->heads = 255; 2064 ccg->secs_per_track = 63; 2065 } else { 2066 ccg->heads = 64; 2067 ccg->secs_per_track = 32; 2068 } 2069 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 2070 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 2071 ccb->ccb_h.status = CAM_REQ_CMP; 2072 xpt_done(ccb); 2073 break; 2074 } 2075 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 2076 { 2077 2078SBP_DEBUG(1) 2079 printf("%s:%d:XPT_RESET_BUS: \n", 2080 device_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim)); 2081END_DEBUG 2082 2083 ccb->ccb_h.status = CAM_REQ_INVALID; 2084 xpt_done(ccb); 2085 break; 2086 } 2087 case XPT_PATH_INQ: /* Path routing inquiry */ 2088 { 2089 struct ccb_pathinq *cpi = &ccb->cpi; 2090 2091SBP_DEBUG(1) 2092 printf("%s:%d:%d XPT_PATH_INQ:.\n", 2093 device_get_nameunit(sbp->fd.dev), 2094 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2095END_DEBUG 2096 cpi->version_num = 1; /* XXX??? */ 2097 cpi->hba_inquiry = 0; 2098 cpi->target_sprt = 0; 2099 cpi->hba_misc = 0; 2100 cpi->hba_eng_cnt = 0; 2101 cpi->max_target = SBP_NUM_TARGETS - 1; 2102 cpi->max_lun = SBP_NUM_LUNS - 1; 2103 cpi->initiator_id = SBP_INITIATOR; 2104 cpi->bus_id = sim->bus_id; 2105 cpi->base_transfer_speed = 400 * 1000 / 8; 2106 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 2107 strncpy(cpi->hba_vid, "SBP", HBA_IDLEN); 2108 strncpy(cpi->dev_name, sim->sim_name, DEV_IDLEN); 2109 cpi->unit_number = sim->unit_number; 2110 2111 cpi->ccb_h.status = CAM_REQ_CMP; 2112 xpt_done(ccb); 2113 break; 2114 } 2115 case XPT_GET_TRAN_SETTINGS: 2116 { 2117 struct ccb_trans_settings *cts = &ccb->cts; 2118SBP_DEBUG(1) 2119 printf("%s:%d:%d XPT_GET_TRAN_SETTINGS:.\n", 2120 device_get_nameunit(sbp->fd.dev), 2121 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2122END_DEBUG 2123 /* Disable disconnect and tagged queuing */ 2124 cts->valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID; 2125 cts->flags = 0; 2126 2127 cts->ccb_h.status = CAM_REQ_CMP; 2128 xpt_done(ccb); 2129 break; 2130 } 2131 case XPT_ABORT: 2132 ccb->ccb_h.status = CAM_UA_ABORT; 2133 xpt_done(ccb); 2134 break; 2135 default: 2136 ccb->ccb_h.status = CAM_REQ_INVALID; 2137 xpt_done(ccb); 2138 break; 2139 } 2140 return; 2141} 2142 2143static void 2144sbp_action(struct cam_sim *sim, union ccb *ccb) 2145{ 2146 int s; 2147 2148 s = splfw(); 2149 sbp_action1(sim, ccb); 2150 splx(s); 2151} 2152 2153static void 2154sbp_execute_ocb(void *arg, bus_dma_segment_t *segments, int seg, int error) 2155{ 2156 int i; 2157 struct sbp_ocb *ocb; 2158 struct sbp_ocb *prev; 2159 union ccb *ccb; 2160 bus_dma_segment_t *s; 2161 2162 if (error) 2163 printf("sbp_execute_ocb: error=%d\n", error); 2164 2165 ocb = (struct sbp_ocb *)arg; 2166 if (seg == 1) { 2167 /* direct pointer */ 2168 ocb->orb[3] = htonl(segments[0].ds_addr); 2169 ocb->orb[4] |= htonl(segments[0].ds_len); 2170 } else if(seg > 1) { 2171 /* page table */ 2172SBP_DEBUG(1) 2173 printf("sbp_execute_ocb: seg %d", seg); 2174 for (i = 0; i < seg; i++) 2175#if __FreeBSD_version >= 500000 2176 printf(", %tx:%zd", segments[i].ds_addr, 2177#else 2178 printf(", %x:%d", segments[i].ds_addr, 2179#endif 2180 segments[i].ds_len); 2181 printf("\n"); 2182END_DEBUG 2183 for (i = 0; i < seg; i++) { 2184 s = &segments[i]; 2185SBP_DEBUG(0) 2186 /* XXX LSI Logic "< 16 byte" bug might be hit */ 2187 if (s->ds_len < 16) 2188 printf("sbp_execute_ocb: warning, " 2189#if __FreeBSD_version >= 500000 2190 "segment length(%zd) is less than 16." 2191#else 2192 "segment length(%d) is less than 16." 2193#endif 2194 "(seg=%d/%d)\n", s->ds_len, i+1, seg); 2195END_DEBUG 2196 ocb->ind_ptr[i].hi = htonl(s->ds_len << 16); 2197 ocb->ind_ptr[i].lo = htonl(s->ds_addr); 2198 } 2199 ocb->orb[4] |= htonl(ORB_CMD_PTBL | seg); 2200 } 2201 2202 ccb = ocb->ccb; 2203 prev = sbp_enqueue_ocb(ocb->sdev, ocb); 2204 if (prev) 2205 sbp_doorbell(ocb->sdev); 2206 else 2207 sbp_orb_pointer(ocb->sdev, ocb); 2208} 2209 2210static void 2211sbp_poll(struct cam_sim *sim) 2212{ 2213 /* should call fwohci_intr? */ 2214 return; 2215} 2216static struct sbp_ocb * 2217sbp_dequeue_ocb(struct sbp_dev *sdev, u_int32_t orb_lo) 2218{ 2219 struct sbp_ocb *ocb; 2220 struct sbp_ocb *next; 2221 int s = splfw(), order = 0; 2222 int flags; 2223 2224 for (ocb = STAILQ_FIRST(&sdev->ocbs); ocb != NULL; ocb = next) { 2225 next = STAILQ_NEXT(ocb, ocb); 2226 flags = ocb->flags; 2227SBP_DEBUG(1) 2228 sbp_show_sdev_info(sdev, 2); 2229#if __FreeBSD_version >= 500000 2230 printf("orb: 0x%tx next: 0x%x, flags %x\n", 2231#else 2232 printf("orb: 0x%x next: 0x%lx, flags %x\n", 2233#endif 2234 vtophys(&ocb->orb[0]), ntohl(ocb->orb[1]), flags); 2235END_DEBUG 2236 if (vtophys(&ocb->orb[0]) == orb_lo) { 2237 /* found */ 2238 if (ocb->flags & OCB_RESERVED) 2239 ocb->flags |= OCB_DONE; 2240 else 2241 STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb); 2242 if (ocb->ccb != NULL) 2243 untimeout(sbp_timeout, (caddr_t)ocb, 2244 ocb->ccb->ccb_h.timeout_ch); 2245 if (ocb->dmamap != NULL) { 2246 bus_dmamap_destroy(sdev->target->sbp->dmat, 2247 ocb->dmamap); 2248 ocb->dmamap = NULL; 2249 } 2250 break; 2251 } else { 2252 if ((ocb->flags & OCB_RESERVED) && 2253 (ocb->flags & OCB_DONE)) { 2254 /* next orb must be fetched already */ 2255 STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb); 2256 sbp_free_ocb(sdev->target->sbp, ocb); 2257 } else 2258 order ++; 2259 } 2260 } 2261 splx(s); 2262SBP_DEBUG(0) 2263 if (ocb && order > 0) { 2264 sbp_show_sdev_info(sdev, 2); 2265 printf("unordered execution order:%d\n", order); 2266 } 2267END_DEBUG 2268 return (ocb); 2269} 2270 2271static struct sbp_ocb * 2272sbp_enqueue_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 2273{ 2274 int s = splfw(); 2275 struct sbp_ocb *prev; 2276 2277SBP_DEBUG(2) 2278 sbp_show_sdev_info(sdev, 2); 2279#if __FreeBSD_version >= 500000 2280 printf("sbp_enqueue_ocb orb=0x%tx in physical memory\n", vtophys(&ocb->orb[0])); 2281#else 2282 printf("sbp_enqueue_ocb orb=0x%x in physical memory\n", vtophys(&ocb->orb[0])); 2283#endif 2284END_DEBUG 2285 prev = STAILQ_LAST(&sdev->ocbs, sbp_ocb, ocb); 2286 STAILQ_INSERT_TAIL(&sdev->ocbs, ocb, ocb); 2287 2288 if (ocb->ccb != NULL) 2289 ocb->ccb->ccb_h.timeout_ch = timeout(sbp_timeout, (caddr_t)ocb, 2290 (ocb->ccb->ccb_h.timeout * hz) / 1000); 2291 2292 if (prev != NULL ) { 2293SBP_DEBUG(1) 2294#if __FreeBSD_version >= 500000 2295 printf("linking chain 0x%tx -> 0x%tx\n", vtophys(&prev->orb[0]), 2296#else 2297 printf("linking chain 0x%x -> 0x%x\n", vtophys(&prev->orb[0]), 2298#endif 2299 vtophys(&ocb->orb[0])); 2300END_DEBUG 2301 prev->flags |= OCB_RESERVED; 2302 prev->orb[1] = htonl(vtophys(&ocb->orb[0])); 2303 prev->orb[0] = 0; 2304 } 2305 splx(s); 2306 2307 return prev; 2308} 2309 2310static struct sbp_ocb * 2311sbp_get_ocb(struct sbp_softc *sbp) 2312{ 2313 struct sbp_ocb *ocb; 2314 int s = splfw(); 2315 ocb = STAILQ_FIRST(&sbp->free_ocbs); 2316 if (ocb == NULL) { 2317 printf("ocb shortage!!!\n"); 2318 return NULL; 2319 } 2320 STAILQ_REMOVE(&sbp->free_ocbs, ocb, sbp_ocb, ocb); 2321 splx(s); 2322 ocb->ccb = NULL; 2323 return (ocb); 2324} 2325 2326static void 2327sbp_free_ocb(struct sbp_softc *sbp, struct sbp_ocb *ocb) 2328{ 2329#if 0 /* XXX make sure that ocb has ccb */ 2330 if ((sbp->flags & SBP_RESOURCE_SHORTAGE) != 0 && 2331 (ocb->ccb->ccb_h.status & CAM_RELEASE_SIMQ) == 0) { 2332 ocb->ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 2333 sbp->flags &= ~SBP_RESOURCE_SHORTAGE; 2334 } 2335#else 2336 if ((sbp->flags & SBP_RESOURCE_SHORTAGE) != 0) 2337 sbp->flags &= ~SBP_RESOURCE_SHORTAGE; 2338#endif 2339 ocb->flags = 0; 2340 ocb->ccb = NULL; 2341 STAILQ_INSERT_TAIL(&sbp->free_ocbs, ocb, ocb); 2342} 2343 2344static void 2345sbp_abort_ocb(struct sbp_ocb *ocb, int status) 2346{ 2347 struct sbp_dev *sdev; 2348 2349 sdev = ocb->sdev; 2350SBP_DEBUG(1) 2351 sbp_show_sdev_info(sdev, 2); 2352 printf("sbp_abort_ocb 0x%x\n", status); 2353 if (ocb->ccb != NULL) 2354 sbp_print_scsi_cmd(ocb); 2355END_DEBUG 2356 if (ocb->ccb != NULL && !(ocb->flags & OCB_DONE)) { 2357 untimeout(sbp_timeout, (caddr_t)ocb, 2358 ocb->ccb->ccb_h.timeout_ch); 2359 ocb->ccb->ccb_h.status = status; 2360 xpt_done(ocb->ccb); 2361 } 2362 if (ocb->dmamap != NULL) { 2363 bus_dmamap_destroy(sdev->target->sbp->dmat, ocb->dmamap); 2364 ocb->dmamap = NULL; 2365 } 2366 sbp_free_ocb(sdev->target->sbp, ocb); 2367} 2368 2369static void 2370sbp_abort_all_ocbs(struct sbp_dev *sdev, int status) 2371{ 2372 int s; 2373 struct sbp_ocb *ocb, *next; 2374 STAILQ_HEAD(, sbp_ocb) temp; 2375 2376 s = splfw(); 2377 2378 bcopy(&sdev->ocbs, &temp, sizeof(temp)); 2379 STAILQ_INIT(&sdev->ocbs); 2380 for (ocb = STAILQ_FIRST(&temp); ocb != NULL; ocb = next) { 2381 next = STAILQ_NEXT(ocb, ocb); 2382 sbp_abort_ocb(ocb, status); 2383 } 2384 2385 splx(s); 2386} 2387 2388static devclass_t sbp_devclass; 2389 2390static device_method_t sbp_methods[] = { 2391 /* device interface */ 2392 DEVMETHOD(device_identify, sbp_identify), 2393 DEVMETHOD(device_probe, sbp_probe), 2394 DEVMETHOD(device_attach, sbp_attach), 2395 DEVMETHOD(device_detach, sbp_detach), 2396 DEVMETHOD(device_shutdown, sbp_shutdown), 2397 2398 { 0, 0 } 2399}; 2400 2401static driver_t sbp_driver = { 2402 "sbp", 2403 sbp_methods, 2404 sizeof(struct sbp_softc), 2405}; 2406DRIVER_MODULE(sbp, firewire, sbp_driver, sbp_devclass, 0, 0); 2407MODULE_VERSION(sbp, 1); 2408MODULE_DEPEND(sbp, firewire, 1, 1, 1); 2409MODULE_DEPEND(sbp, cam, 1, 1, 1); 2410