sbp.c revision 120847
1/* 2 * Copyright (c) 2003 Hidetosh Shimokawa 3 * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetosh Shimokawa 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the acknowledgement as bellow: 16 * 17 * This product includes software developed by K. Kobayashi and H. Shimokawa 18 * 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 24 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 25 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 26 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 27 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 30 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 31 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 * POSSIBILITY OF SUCH DAMAGE. 33 * 34 * $FreeBSD: head/sys/dev/firewire/sbp.c 120847 2003-10-06 05:40:47Z simokawa $ 35 * 36 */ 37 38#include <sys/param.h> 39#include <sys/systm.h> 40#include <sys/module.h> 41#include <sys/bus.h> 42#include <sys/sysctl.h> 43#include <machine/bus.h> 44#include <sys/malloc.h> 45#if __FreeBSD_version >= 501102 46#include <sys/lock.h> 47#include <sys/mutex.h> 48#endif 49 50#if __FreeBSD_version < 500106 51#include <sys/devicestat.h> /* for struct devstat */ 52#endif 53 54#include <cam/cam.h> 55#include <cam/cam_ccb.h> 56#include <cam/cam_sim.h> 57#include <cam/cam_xpt_sim.h> 58#include <cam/cam_debug.h> 59#include <cam/cam_periph.h> 60 61#include <cam/scsi/scsi_all.h> 62 63#include <sys/kernel.h> 64 65#include <dev/firewire/firewire.h> 66#include <dev/firewire/firewirereg.h> 67#include <dev/firewire/fwdma.h> 68#include <dev/firewire/iec13213.h> 69#include <dev/firewire/sbp.h> 70 71#define ccb_sdev_ptr spriv_ptr0 72#define ccb_sbp_ptr spriv_ptr1 73 74#define SBP_NUM_TARGETS 8 /* MAX 64 */ 75#define SBP_NUM_LUNS 8 /* limited by CAM_SCSI2_MAXLUN in cam_xpt.c */ 76#define SBP_DMA_SIZE PAGE_SIZE 77#define SBP_LOGIN_SIZE sizeof(struct sbp_login_res) 78#define SBP_QUEUE_LEN ((SBP_DMA_SIZE - SBP_LOGIN_SIZE) / sizeof(struct sbp_ocb)) 79#define SBP_NUM_OCB (SBP_QUEUE_LEN * SBP_NUM_TARGETS) 80 81/* 82 * STATUS FIFO addressing 83 * bit 84 * ----------------------- 85 * 0- 1( 2): 0 (alingment) 86 * 2- 7( 6): target 87 * 8-15( 8): lun 88 * 16-31( 8): reserved 89 * 32-47(16): SBP_BIND_HI 90 * 48-64(16): bus_id, node_id 91 */ 92#define SBP_BIND_HI 0x1 93#define SBP_DEV2ADDR(t, l) \ 94 (((u_int64_t)SBP_BIND_HI << 32) \ 95 | (((l) & 0xff) << 8) \ 96 | (((t) & 0x3f) << 2)) 97#define SBP_ADDR2TRG(a) (((a) >> 2) & 0x3f) 98#define SBP_ADDR2LUN(a) (((a) >> 8) & 0xff) 99#define SBP_INITIATOR 7 100 101#define LOGIN_DELAY 1 102 103static char *orb_fun_name[] = { 104 ORB_FUN_NAMES 105}; 106 107static int debug = 0; 108static int auto_login = 1; 109static int max_speed = 2; 110static int sbp_cold = 1; 111 112SYSCTL_DECL(_hw_firewire); 113SYSCTL_NODE(_hw_firewire, OID_AUTO, sbp, CTLFLAG_RD, 0, "SBP-II Subsystem"); 114SYSCTL_INT(_debug, OID_AUTO, sbp_debug, CTLFLAG_RW, &debug, 0, 115 "SBP debug flag"); 116SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, auto_login, CTLFLAG_RW, &auto_login, 0, 117 "SBP perform login automatically"); 118SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, max_speed, CTLFLAG_RW, &max_speed, 0, 119 "SBP transfer max speed"); 120 121#define NEED_RESPONSE 0 122 123#define SBP_SEG_MAX rounddown(0xffff, PAGE_SIZE) 124#ifdef __sparc64__ /* iommu */ 125#define SBP_IND_MAX howmany(MAXPHYS, SBP_SEG_MAX) 126#else 127#define SBP_IND_MAX howmany(MAXPHYS, PAGE_SIZE) 128#endif 129struct sbp_ocb { 130 STAILQ_ENTRY(sbp_ocb) ocb; 131 union ccb *ccb; 132 bus_addr_t bus_addr; 133 u_int32_t orb[8]; 134#define IND_PTR_OFFSET (8*sizeof(u_int32_t)) 135 struct ind_ptr ind_ptr[SBP_IND_MAX]; 136 struct sbp_dev *sdev; 137 int flags; /* XXX should be removed */ 138 bus_dmamap_t dmamap; 139}; 140 141#define OCB_ACT_MGM 0 142#define OCB_ACT_CMD 1 143#define OCB_MATCH(o,s) ((o)->bus_addr == ntohl((s)->orb_lo)) 144 145struct sbp_dev{ 146#define SBP_DEV_RESET 0 /* accept login */ 147#define SBP_DEV_LOGIN 1 /* to login */ 148#if 0 149#define SBP_DEV_RECONN 2 /* to reconnect */ 150#endif 151#define SBP_DEV_TOATTACH 3 /* to attach */ 152#define SBP_DEV_PROBE 4 /* scan lun */ 153#define SBP_DEV_ATTACHED 5 /* in operation */ 154#define SBP_DEV_DEAD 6 /* unavailable unit */ 155#define SBP_DEV_RETRY 7 /* unavailable unit */ 156 u_int8_t status:4, 157 timeout:4; 158 u_int8_t type; 159 u_int16_t lun_id; 160 u_int16_t freeze; 161#define ORB_LINK_DEAD 1 162 u_int16_t flags; 163 struct cam_path *path; 164 struct sbp_target *target; 165 struct fwdma_alloc dma; 166 struct sbp_login_res *login; 167 struct callout login_callout; 168 struct sbp_ocb *ocb; 169 STAILQ_HEAD(, sbp_ocb) ocbs; 170 STAILQ_HEAD(, sbp_ocb) free_ocbs; 171 char vendor[32]; 172 char product[32]; 173 char revision[10]; 174}; 175 176struct sbp_target { 177 int target_id; 178 int num_lun; 179 struct sbp_dev *luns; 180 struct sbp_softc *sbp; 181 struct fw_device *fwdev; 182 u_int32_t mgm_hi, mgm_lo; 183 struct sbp_ocb *mgm_ocb_cur; 184 STAILQ_HEAD(, sbp_ocb) mgm_ocb_queue; 185 struct callout mgm_ocb_timeout; 186#define SCAN_DELAY 1 187 struct callout scan_callout; 188 STAILQ_HEAD(, fw_xfer) xferlist; 189 int n_xfer; 190}; 191 192struct sbp_softc { 193 struct firewire_dev_comm fd; 194 struct cam_sim *sim; 195 struct cam_path *path; 196 struct sbp_target targets[SBP_NUM_TARGETS]; 197 struct fw_bind fwb; 198 bus_dma_tag_t dmat; 199}; 200static void sbp_post_explore __P((void *)); 201static void sbp_recv __P((struct fw_xfer *)); 202static void sbp_mgm_callback __P((struct fw_xfer *)); 203static void sbp_cmd_callback __P((struct fw_xfer *)); 204static void sbp_orb_pointer __P((struct sbp_dev *, struct sbp_ocb *)); 205static void sbp_execute_ocb __P((void *, bus_dma_segment_t *, int, int)); 206static void sbp_free_ocb __P((struct sbp_dev *, struct sbp_ocb *)); 207static void sbp_abort_ocb __P((struct sbp_ocb *, int)); 208static void sbp_abort_all_ocbs __P((struct sbp_dev *, int)); 209static struct fw_xfer * sbp_write_cmd __P((struct sbp_dev *, int, int)); 210static struct sbp_ocb * sbp_get_ocb __P((struct sbp_dev *)); 211static struct sbp_ocb * sbp_enqueue_ocb __P((struct sbp_dev *, struct sbp_ocb *)); 212static struct sbp_ocb * sbp_dequeue_ocb __P((struct sbp_dev *, struct sbp_status *)); 213static void sbp_cam_detach_target __P((struct sbp_target *)); 214static void sbp_mgm_timeout __P((void *arg)); 215static void sbp_timeout __P((void *arg)); 216static void sbp_mgm_orb __P((struct sbp_dev *, int, struct sbp_ocb *)); 217#define sbp_login(sdev) \ 218 callout_reset(&(sdev)->login_callout, LOGIN_DELAY * hz, \ 219 sbp_login_callout, (void *)(sdev)); 220 221MALLOC_DEFINE(M_SBP, "sbp", "SBP-II/FireWire"); 222 223/* cam related functions */ 224static void sbp_action(struct cam_sim *sim, union ccb *ccb); 225static void sbp_poll(struct cam_sim *sim); 226static void sbp_cam_scan_lun(struct cam_periph *, union ccb *); 227static void sbp_cam_scan_target(void *arg); 228 229static char *orb_status0[] = { 230 /* 0 */ "No additional information to report", 231 /* 1 */ "Request type not supported", 232 /* 2 */ "Speed not supported", 233 /* 3 */ "Page size not supported", 234 /* 4 */ "Access denied", 235 /* 5 */ "Logical unit not supported", 236 /* 6 */ "Maximum payload too small", 237 /* 7 */ "Reserved for future standardization", 238 /* 8 */ "Resources unavailable", 239 /* 9 */ "Function rejected", 240 /* A */ "Login ID not recognized", 241 /* B */ "Dummy ORB completed", 242 /* C */ "Request aborted", 243 /* FF */ "Unspecified error" 244#define MAX_ORB_STATUS0 0xd 245}; 246 247static char *orb_status1_object[] = { 248 /* 0 */ "Operation request block (ORB)", 249 /* 1 */ "Data buffer", 250 /* 2 */ "Page table", 251 /* 3 */ "Unable to specify" 252}; 253 254static char *orb_status1_serial_bus_error[] = { 255 /* 0 */ "Missing acknowledge", 256 /* 1 */ "Reserved; not to be used", 257 /* 2 */ "Time-out error", 258 /* 3 */ "Reserved; not to be used", 259 /* 4 */ "Busy retry limit exceeded(X)", 260 /* 5 */ "Busy retry limit exceeded(A)", 261 /* 6 */ "Busy retry limit exceeded(B)", 262 /* 7 */ "Reserved for future standardization", 263 /* 8 */ "Reserved for future standardization", 264 /* 9 */ "Reserved for future standardization", 265 /* A */ "Reserved for future standardization", 266 /* B */ "Tardy retry limit exceeded", 267 /* C */ "Conflict error", 268 /* D */ "Data error", 269 /* E */ "Type error", 270 /* F */ "Address error" 271}; 272 273static void 274sbp_identify(driver_t *driver, device_t parent) 275{ 276 device_t child; 277SBP_DEBUG(0) 278 printf("sbp_identify\n"); 279END_DEBUG 280 281 child = BUS_ADD_CHILD(parent, 0, "sbp", device_get_unit(parent)); 282} 283 284/* 285 * sbp_probe() 286 */ 287static int 288sbp_probe(device_t dev) 289{ 290 device_t pa; 291 292SBP_DEBUG(0) 293 printf("sbp_probe\n"); 294END_DEBUG 295 296 pa = device_get_parent(dev); 297 if(device_get_unit(dev) != device_get_unit(pa)){ 298 return(ENXIO); 299 } 300 301 device_set_desc(dev, "SBP-2/SCSI over FireWire"); 302 303 if (bootverbose) 304 debug = bootverbose; 305 return (0); 306} 307 308static void 309sbp_show_sdev_info(struct sbp_dev *sdev, int new) 310{ 311 struct fw_device *fwdev; 312 313 printf("%s:%d:%d ", 314 device_get_nameunit(sdev->target->sbp->fd.dev), 315 sdev->target->target_id, 316 sdev->lun_id 317 ); 318 if (new == 2) { 319 return; 320 } 321 fwdev = sdev->target->fwdev; 322 printf("ordered:%d type:%d EUI:%08x%08x node:%d " 323 "speed:%d maxrec:%d", 324 (sdev->type & 0x40) >> 6, 325 (sdev->type & 0x1f), 326 fwdev->eui.hi, 327 fwdev->eui.lo, 328 fwdev->dst, 329 fwdev->speed, 330 fwdev->maxrec 331 ); 332 if (new) 333 printf(" new!\n"); 334 else 335 printf("\n"); 336 sbp_show_sdev_info(sdev, 2); 337 printf("'%s' '%s' '%s'\n", sdev->vendor, sdev->product, sdev->revision); 338} 339 340static struct { 341 int bus; 342 int target; 343 struct fw_eui64 eui; 344} wired[] = { 345 /* Bus Target EUI64 */ 346#if 0 347 {0, 2, {0x00018ea0, 0x01fd0154}}, /* Logitec HDD */ 348 {0, 0, {0x00018ea6, 0x00100682}}, /* Logitec DVD */ 349 {0, 1, {0x00d03200, 0xa412006a}}, /* Yano HDD */ 350#endif 351 {-1, -1, {0,0}} 352}; 353 354static int 355sbp_new_target(struct sbp_softc *sbp, struct fw_device *fwdev) 356{ 357 int bus, i, target=-1; 358 char w[SBP_NUM_TARGETS]; 359 360 bzero(w, sizeof(w)); 361 bus = device_get_unit(sbp->fd.dev); 362 363 /* XXX wired-down configuration should be gotten from 364 tunable or device hint */ 365 for (i = 0; wired[i].bus >= 0; i ++) { 366 if (wired[i].bus == bus) { 367 w[wired[i].target] = 1; 368 if (wired[i].eui.hi == fwdev->eui.hi && 369 wired[i].eui.lo == fwdev->eui.lo) 370 target = wired[i].target; 371 } 372 } 373 if (target >= 0) { 374 if(target < SBP_NUM_TARGETS && 375 sbp->targets[target].fwdev == NULL) 376 return(target); 377 device_printf(sbp->fd.dev, 378 "target %d is not free for %08x:%08x\n", 379 target, fwdev->eui.hi, fwdev->eui.lo); 380 target = -1; 381 } 382 /* non-wired target */ 383 for (i = 0; i < SBP_NUM_TARGETS; i ++) 384 if (sbp->targets[i].fwdev == NULL && w[i] == 0) { 385 target = i; 386 break; 387 } 388 389 return target; 390} 391 392static struct sbp_target * 393sbp_alloc_target(struct sbp_softc *sbp, struct fw_device *fwdev) 394{ 395 int i, maxlun, lun; 396 struct sbp_target *target; 397 struct sbp_dev *sdev; 398 struct crom_context cc; 399 struct csrreg *reg; 400 401SBP_DEBUG(1) 402 printf("sbp_alloc_target\n"); 403END_DEBUG 404 i = sbp_new_target(sbp, fwdev); 405 if (i < 0) { 406 device_printf(sbp->fd.dev, "increase SBP_NUM_TARGETS!\n"); 407 return NULL; 408 } 409 /* new target */ 410 target = &sbp->targets[i]; 411 target->sbp = sbp; 412 target->fwdev = fwdev; 413 target->target_id = i; 414 /* XXX we may want to reload mgm port after each bus reset */ 415 /* XXX there might be multiple management agents */ 416 crom_init_context(&cc, target->fwdev->csrrom); 417 reg = crom_search_key(&cc, CROM_MGM); 418 if (reg == NULL || reg->val == 0) { 419 printf("NULL management address\n"); 420 target->fwdev = NULL; 421 return NULL; 422 } 423 target->mgm_hi = 0xffff; 424 target->mgm_lo = 0xf0000000 | (reg->val << 2); 425 target->mgm_ocb_cur = NULL; 426SBP_DEBUG(1) 427 printf("target:%d mgm_port: %x\n", i, target->mgm_lo); 428END_DEBUG 429 STAILQ_INIT(&target->xferlist); 430 target->n_xfer = 0; 431 STAILQ_INIT(&target->mgm_ocb_queue); 432 CALLOUT_INIT(&target->mgm_ocb_timeout); 433 CALLOUT_INIT(&target->scan_callout); 434 435 /* XXX num_lun may be changed. realloc luns? */ 436 crom_init_context(&cc, target->fwdev->csrrom); 437 /* XXX shoud parse appropriate unit directories only */ 438 maxlun = -1; 439 while (cc.depth >= 0) { 440 reg = crom_search_key(&cc, CROM_LUN); 441 if (reg == NULL) 442 break; 443 lun = reg->val & 0xffff; 444SBP_DEBUG(0) 445 printf("target %d lun %d found\n", target->target_id, lun); 446END_DEBUG 447 if (maxlun < lun) 448 maxlun = lun; 449 crom_next(&cc); 450 } 451 if (maxlun < 0) 452 printf("no lun found!\n"); 453 if (maxlun >= SBP_NUM_LUNS) 454 maxlun = SBP_NUM_LUNS; 455 target->num_lun = maxlun + 1; 456 target->luns = (struct sbp_dev *) malloc( 457 sizeof(struct sbp_dev) * target->num_lun, 458 M_SBP, M_NOWAIT | M_ZERO); 459 for (i = 0; i < target->num_lun; i++) { 460 sdev = &target->luns[i]; 461 sdev->lun_id = i; 462 sdev->target = target; 463 STAILQ_INIT(&sdev->ocbs); 464 CALLOUT_INIT(&sdev->login_callout); 465 sdev->status = SBP_DEV_DEAD; 466 } 467 crom_init_context(&cc, target->fwdev->csrrom); 468 while (cc.depth >= 0) { 469 reg = crom_search_key(&cc, CROM_LUN); 470 if (reg == NULL) 471 break; 472 lun = reg->val & 0xffff; 473 if (lun >= SBP_NUM_LUNS) { 474 printf("too large lun %d\n", lun); 475 continue; 476 } 477 sdev = &target->luns[lun]; 478 sdev->status = SBP_DEV_RESET; 479 sdev->type = (reg->val & 0xff0000) >> 16; 480 481 fwdma_malloc(sbp->fd.fc, 482 /* alignment */ sizeof(u_int32_t), 483 SBP_DMA_SIZE, &sdev->dma, BUS_DMA_NOWAIT); 484 if (sdev->dma.v_addr == NULL) { 485 printf("%s: dma space allocation failed\n", 486 __FUNCTION__); 487 return (NULL); 488 } 489 sdev->login = (struct sbp_login_res *) sdev->dma.v_addr; 490 sdev->ocb = (struct sbp_ocb *) 491 ((char *)sdev->dma.v_addr + SBP_LOGIN_SIZE); 492 bzero((char *)sdev->ocb, 493 sizeof (struct sbp_ocb) * SBP_QUEUE_LEN); 494 495 STAILQ_INIT(&sdev->free_ocbs); 496 for (i = 0; i < SBP_QUEUE_LEN; i++) { 497 struct sbp_ocb *ocb; 498 ocb = &sdev->ocb[i]; 499 ocb->bus_addr = sdev->dma.bus_addr 500 + SBP_LOGIN_SIZE 501 + sizeof(struct sbp_ocb) * i 502 + offsetof(struct sbp_ocb, orb[0]); 503 if (bus_dmamap_create(sbp->dmat, 0, &ocb->dmamap)) { 504 printf("sbp_attach: cannot create dmamap\n"); 505 return (NULL); 506 } 507 sbp_free_ocb(sdev, ocb); 508 } 509 crom_next(&cc); 510 } 511 return target; 512} 513 514static void 515sbp_probe_lun(struct sbp_dev *sdev) 516{ 517 struct fw_device *fwdev; 518 struct crom_context c, *cc = &c; 519 struct csrreg *reg; 520 521 bzero(sdev->vendor, sizeof(sdev->vendor)); 522 bzero(sdev->product, sizeof(sdev->product)); 523 524 fwdev = sdev->target->fwdev; 525 crom_init_context(cc, fwdev->csrrom); 526 /* get vendor string */ 527 crom_search_key(cc, CSRKEY_VENDOR); 528 crom_next(cc); 529 crom_parse_text(cc, sdev->vendor, sizeof(sdev->vendor)); 530 /* skip to the unit directory for SBP-2 */ 531 while ((reg = crom_search_key(cc, CSRKEY_VER)) != NULL) { 532 if (reg->val == CSRVAL_T10SBP2) 533 break; 534 crom_next(cc); 535 } 536 /* get firmware revision */ 537 reg = crom_search_key(cc, CSRKEY_FIRM_VER); 538 if (reg != NULL) 539 snprintf(sdev->revision, sizeof(sdev->revision), 540 "%06x", reg->val); 541 /* get product string */ 542 crom_search_key(cc, CSRKEY_MODEL); 543 crom_next(cc); 544 crom_parse_text(cc, sdev->product, sizeof(sdev->product)); 545} 546 547static void 548sbp_login_callout(void *arg) 549{ 550 struct sbp_dev *sdev = (struct sbp_dev *)arg; 551 sbp_mgm_orb(sdev, ORB_FUN_LGI, NULL); 552} 553 554#define SBP_FWDEV_ALIVE(fwdev) (((fwdev)->status == FWDEVATTACHED) \ 555 && crom_has_specver((fwdev)->csrrom, CSRVAL_ANSIT10, CSRVAL_T10SBP2)) 556 557static void 558sbp_probe_target(void *arg) 559{ 560 struct sbp_target *target = (struct sbp_target *)arg; 561 struct sbp_softc *sbp; 562 struct sbp_dev *sdev; 563 struct firewire_comm *fc; 564 int i, alive; 565 566 alive = SBP_FWDEV_ALIVE(target->fwdev); 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 /* XXX untimeout mgm_ocb and dequeue */ 576 for (i=0; i < target->num_lun; i++) { 577 sdev = &target->luns[i]; 578 if (alive && (sdev->status != SBP_DEV_DEAD)) { 579 if (sdev->path != NULL) { 580 xpt_freeze_devq(sdev->path, 1); 581 sdev->freeze ++; 582 } 583 sbp_probe_lun(sdev); 584SBP_DEBUG(0) 585 sbp_show_sdev_info(sdev, 586 (sdev->status == SBP_DEV_RESET)); 587END_DEBUG 588 589 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET); 590 switch (sdev->status) { 591 case SBP_DEV_RESET: 592 /* new or revived target */ 593 if (auto_login) 594 sbp_login(sdev); 595 break; 596 case SBP_DEV_TOATTACH: 597 case SBP_DEV_PROBE: 598 case SBP_DEV_ATTACHED: 599 case SBP_DEV_RETRY: 600 default: 601 sbp_mgm_orb(sdev, ORB_FUN_RCN, NULL); 602 break; 603 } 604 } else { 605 switch (sdev->status) { 606 case SBP_DEV_ATTACHED: 607SBP_DEBUG(0) 608 /* the device has gone */ 609 sbp_show_sdev_info(sdev, 2); 610 printf("lost target\n"); 611END_DEBUG 612 if (sdev->path) { 613 xpt_freeze_devq(sdev->path, 1); 614 sdev->freeze ++; 615 } 616 sdev->status = SBP_DEV_RETRY; 617 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET); 618 break; 619 case SBP_DEV_PROBE: 620 case SBP_DEV_TOATTACH: 621 sdev->status = SBP_DEV_RESET; 622 break; 623 case SBP_DEV_RETRY: 624 case SBP_DEV_RESET: 625 case SBP_DEV_DEAD: 626 break; 627 } 628 } 629 } 630} 631 632static void 633sbp_post_busreset(void *arg) 634{ 635 struct sbp_softc *sbp; 636 637 sbp = (struct sbp_softc *)arg; 638SBP_DEBUG(0) 639 printf("sbp_post_busreset\n"); 640END_DEBUG 641} 642 643static void 644sbp_post_explore(void *arg) 645{ 646 struct sbp_softc *sbp = (struct sbp_softc *)arg; 647 struct sbp_target *target; 648 struct fw_device *fwdev; 649 int i, alive; 650 651SBP_DEBUG(0) 652 printf("sbp_post_explore (sbp_cold=%d)\n", sbp_cold); 653END_DEBUG 654#if 0 /* 655 * XXX don't let CAM the bus rest. CAM tries to do something with 656 * freezed (DEV_RETRY) devices 657 */ 658 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL); 659#endif 660 if (sbp_cold > 0) 661 sbp_cold --; 662 663 /* Gabage Collection */ 664 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){ 665 target = &sbp->targets[i]; 666 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) 667 if (target->fwdev == NULL || target->fwdev == fwdev) 668 break; 669 if(fwdev == NULL){ 670 /* device has removed in lower driver */ 671 sbp_cam_detach_target(target); 672 if (target->luns != NULL) 673 free(target->luns, M_SBP); 674 target->num_lun = 0;; 675 target->luns = NULL; 676 target->fwdev = NULL; 677 } 678 } 679 /* traverse device list */ 680 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) { 681SBP_DEBUG(0) 682 printf("sbp_post_explore: EUI:%08x%08x ", 683 fwdev->eui.hi, fwdev->eui.lo); 684 if (fwdev->status != FWDEVATTACHED) 685 printf("not attached, state=%d.\n", fwdev->status); 686 else 687 printf("attached\n"); 688END_DEBUG 689 alive = SBP_FWDEV_ALIVE(fwdev); 690 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){ 691 target = &sbp->targets[i]; 692 if(target->fwdev == fwdev ) { 693 /* known target */ 694 break; 695 } 696 } 697 if(i == SBP_NUM_TARGETS){ 698 if (alive) { 699 /* new target */ 700 target = sbp_alloc_target(sbp, fwdev); 701 if (target == NULL) 702 continue; 703 } else { 704 continue; 705 } 706 } 707 sbp_probe_target((void *)target); 708 } 709} 710 711#if NEED_RESPONSE 712static void 713sbp_loginres_callback(struct fw_xfer *xfer){ 714 int s; 715 struct sbp_dev *sdev; 716 sdev = (struct sbp_dev *)xfer->sc; 717SBP_DEBUG(1) 718 sbp_show_sdev_info(sdev, 2); 719 printf("sbp_loginres_callback\n"); 720END_DEBUG 721 /* recycle */ 722 s = splfw(); 723 STAILQ_INSERT_TAIL(&sdev->target->sbp->fwb.xferlist, xfer, link); 724 splx(s); 725 return; 726} 727#endif 728 729static __inline void 730sbp_xfer_free(struct fw_xfer *xfer) 731{ 732 struct sbp_dev *sdev; 733 int s; 734 735 sdev = (struct sbp_dev *)xfer->sc; 736 fw_xfer_unload(xfer); 737 s = splfw(); 738 STAILQ_INSERT_TAIL(&sdev->target->xferlist, xfer, link); 739 splx(s); 740} 741 742static void 743sbp_reset_start_callback(struct fw_xfer *xfer) 744{ 745 struct sbp_dev *tsdev, *sdev = (struct sbp_dev *)xfer->sc; 746 struct sbp_target *target = sdev->target; 747 int i; 748 749 if (xfer->resp != 0) { 750 sbp_show_sdev_info(sdev, 2); 751 printf("sbp_reset_start failed: resp=%d\n", xfer->resp); 752 } 753 754 for (i = 0; i < target->num_lun; i++) { 755 tsdev = &target->luns[i]; 756 if (tsdev->status == SBP_DEV_LOGIN) 757 sbp_login(sdev); 758 } 759} 760 761static void 762sbp_reset_start(struct sbp_dev *sdev) 763{ 764 struct fw_xfer *xfer; 765 struct fw_pkt *fp; 766 767SBP_DEBUG(0) 768 sbp_show_sdev_info(sdev, 2); 769 printf("sbp_reset_start\n"); 770END_DEBUG 771 772 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 773 xfer->act.hand = sbp_reset_start_callback; 774 fp = &xfer->send.hdr; 775 fp->mode.wreqq.dest_hi = 0xffff; 776 fp->mode.wreqq.dest_lo = 0xf0000000 | RESET_START; 777 fp->mode.wreqq.data = htonl(0xf); 778 fw_asyreq(xfer->fc, -1, xfer); 779} 780 781static void 782sbp_mgm_callback(struct fw_xfer *xfer) 783{ 784 struct sbp_dev *sdev; 785 int resp; 786 787 sdev = (struct sbp_dev *)xfer->sc; 788 789SBP_DEBUG(1) 790 sbp_show_sdev_info(sdev, 2); 791 printf("sbp_mgm_callback\n"); 792END_DEBUG 793 resp = xfer->resp; 794 sbp_xfer_free(xfer); 795#if 0 796 if (resp != 0) { 797 sbp_show_sdev_info(sdev, 2); 798 printf("management ORB failed(%d) ... RESET_START\n", resp); 799 sbp_reset_start(sdev); 800 } 801#endif 802 return; 803} 804 805static void 806sbp_cmd_callback(struct fw_xfer *xfer) 807{ 808SBP_DEBUG(2) 809 struct sbp_dev *sdev; 810 sdev = (struct sbp_dev *)xfer->sc; 811 sbp_show_sdev_info(sdev, 2); 812 printf("sbp_cmd_callback\n"); 813END_DEBUG 814 if (xfer->resp != 0) { 815 /* XXX */ 816 printf("%s: xfer->resp != 0\n", __FUNCTION__); 817 } 818 sbp_xfer_free(xfer); 819 return; 820} 821 822static struct sbp_dev * 823sbp_next_dev(struct sbp_target *target, int lun) 824{ 825 struct sbp_dev *sdev; 826 int i; 827 828 for (i = lun, sdev = &target->luns[lun]; 829 i < target->num_lun; i++, sdev++) { 830 if (sdev->status == SBP_DEV_PROBE) 831 break; 832 } 833 if (i >= target->num_lun) 834 return(NULL); 835 return(sdev); 836} 837 838#define SCAN_PRI 1 839static void 840sbp_cam_scan_lun(struct cam_periph *periph, union ccb *ccb) 841{ 842 struct sbp_target *target; 843 struct sbp_dev *sdev; 844 845 sdev = (struct sbp_dev *) ccb->ccb_h.ccb_sdev_ptr; 846 target = sdev->target; 847SBP_DEBUG(0) 848 sbp_show_sdev_info(sdev, 2); 849 printf("sbp_cam_scan_lun\n"); 850END_DEBUG 851 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 852 sdev->status = SBP_DEV_ATTACHED; 853 } else { 854 sbp_show_sdev_info(sdev, 2); 855 printf("scan failed\n"); 856 } 857 sdev = sbp_next_dev(target, sdev->lun_id + 1); 858 if (sdev == NULL) { 859 free(ccb, M_SBP); 860 return; 861 } 862 /* reuse ccb */ 863 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI); 864 ccb->ccb_h.ccb_sdev_ptr = sdev; 865 xpt_action(ccb); 866 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 867 sdev->freeze = 1; 868} 869 870static void 871sbp_cam_scan_target(void *arg) 872{ 873 struct sbp_target *target = (struct sbp_target *)arg; 874 struct sbp_dev *sdev; 875 union ccb *ccb; 876 877 sdev = sbp_next_dev(target, 0); 878 if (sdev == NULL) { 879 printf("sbp_cam_scan_target: nothing to do for target%d\n", 880 target->target_id); 881 return; 882 } 883SBP_DEBUG(0) 884 sbp_show_sdev_info(sdev, 2); 885 printf("sbp_cam_scan_target\n"); 886END_DEBUG 887 ccb = malloc(sizeof(union ccb), M_SBP, M_NOWAIT | M_ZERO); 888 if (ccb == NULL) { 889 printf("sbp_cam_scan_target: malloc failed\n"); 890 return; 891 } 892 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI); 893 ccb->ccb_h.func_code = XPT_SCAN_LUN; 894 ccb->ccb_h.cbfcnp = sbp_cam_scan_lun; 895 ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 896 ccb->crcn.flags = CAM_FLAG_NONE; 897 ccb->ccb_h.ccb_sdev_ptr = sdev; 898 899 /* The scan is in progress now. */ 900 xpt_action(ccb); 901 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 902 sdev->freeze = 1; 903} 904 905static __inline void 906sbp_scan_dev(struct sbp_dev *sdev) 907{ 908 sdev->status = SBP_DEV_PROBE; 909 callout_reset(&sdev->target->scan_callout, SCAN_DELAY * hz, 910 sbp_cam_scan_target, (void *)sdev->target); 911} 912 913static void 914sbp_do_attach(struct fw_xfer *xfer) 915{ 916 struct sbp_dev *sdev; 917 struct sbp_target *target; 918 struct sbp_softc *sbp; 919 920 sdev = (struct sbp_dev *)xfer->sc; 921 target = sdev->target; 922 sbp = target->sbp; 923SBP_DEBUG(0) 924 sbp_show_sdev_info(sdev, 2); 925 printf("sbp_do_attach\n"); 926END_DEBUG 927 sbp_xfer_free(xfer); 928 929 if (sdev->path == NULL) 930 xpt_create_path(&sdev->path, xpt_periph, 931 cam_sim_path(target->sbp->sim), 932 target->target_id, sdev->lun_id); 933 934 /* 935 * Let CAM scan the bus if we are in the boot process. 936 * XXX xpt_scan_bus cannot detect LUN larger than 0 937 * if LUN 0 doesn't exists. 938 */ 939 if (sbp_cold > 0) { 940 sdev->status = SBP_DEV_ATTACHED; 941 return; 942 } 943 944 sbp_scan_dev(sdev); 945 return; 946} 947 948static void 949sbp_agent_reset_callback(struct fw_xfer *xfer) 950{ 951 struct sbp_dev *sdev; 952 953 sdev = (struct sbp_dev *)xfer->sc; 954SBP_DEBUG(1) 955 sbp_show_sdev_info(sdev, 2); 956 printf("%s\n", __FUNCTION__); 957END_DEBUG 958 if (xfer->resp != 0) { 959 sbp_show_sdev_info(sdev, 2); 960 printf("sbp_cmd_callback resp=%d\n", xfer->resp); 961 } 962 963 sbp_xfer_free(xfer); 964 if (sdev->path) { 965 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 966 sdev->freeze = 0; 967 } 968} 969 970static void 971sbp_agent_reset(struct sbp_dev *sdev) 972{ 973 struct fw_xfer *xfer; 974 struct fw_pkt *fp; 975 976SBP_DEBUG(0) 977 sbp_show_sdev_info(sdev, 2); 978 printf("sbp_agent_reset\n"); 979END_DEBUG 980 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x04); 981 if (xfer == NULL) 982 return; 983 if (sdev->status == SBP_DEV_ATTACHED || sdev->status == SBP_DEV_PROBE) 984 xfer->act.hand = sbp_agent_reset_callback; 985 else 986 xfer->act.hand = sbp_do_attach; 987 fp = &xfer->send.hdr; 988 fp->mode.wreqq.data = htonl(0xf); 989 fw_asyreq(xfer->fc, -1, xfer); 990 sbp_abort_all_ocbs(sdev, CAM_BDR_SENT); 991} 992 993static void 994sbp_busy_timeout_callback(struct fw_xfer *xfer) 995{ 996 struct sbp_dev *sdev; 997 998 sdev = (struct sbp_dev *)xfer->sc; 999SBP_DEBUG(1) 1000 sbp_show_sdev_info(sdev, 2); 1001 printf("sbp_busy_timeout_callback\n"); 1002END_DEBUG 1003 sbp_xfer_free(xfer); 1004 sbp_agent_reset(sdev); 1005} 1006 1007static void 1008sbp_busy_timeout(struct sbp_dev *sdev) 1009{ 1010 struct fw_pkt *fp; 1011 struct fw_xfer *xfer; 1012SBP_DEBUG(0) 1013 sbp_show_sdev_info(sdev, 2); 1014 printf("sbp_busy_timeout\n"); 1015END_DEBUG 1016 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 1017 1018 xfer->act.hand = sbp_busy_timeout_callback; 1019 fp = &xfer->send.hdr; 1020 fp->mode.wreqq.dest_hi = 0xffff; 1021 fp->mode.wreqq.dest_lo = 0xf0000000 | BUSY_TIMEOUT; 1022 fp->mode.wreqq.data = htonl((1 << (13+12)) | 0xf); 1023 fw_asyreq(xfer->fc, -1, xfer); 1024} 1025 1026static void 1027sbp_orb_pointer(struct sbp_dev *sdev, struct sbp_ocb *ocb) 1028{ 1029 struct fw_xfer *xfer; 1030 struct fw_pkt *fp; 1031SBP_DEBUG(2) 1032 sbp_show_sdev_info(sdev, 2); 1033 printf("sbp_orb_pointer\n"); 1034END_DEBUG 1035 1036 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0x08); 1037 if (xfer == NULL) 1038 return; 1039 xfer->act.hand = sbp_cmd_callback; 1040 1041 fp = &xfer->send.hdr; 1042 fp->mode.wreqb.len = 8; 1043 fp->mode.wreqb.extcode = 0; 1044 xfer->send.payload[0] = 1045 htonl(((sdev->target->sbp->fd.fc->nodeid | FWLOCALBUS )<< 16)); 1046 xfer->send.payload[1] = htonl(ocb->bus_addr); 1047 1048 if(fw_asyreq(xfer->fc, -1, xfer) != 0){ 1049 sbp_xfer_free(xfer); 1050 ocb->ccb->ccb_h.status = CAM_REQ_INVALID; 1051 xpt_done(ocb->ccb); 1052 } 1053} 1054 1055#if 0 1056static void 1057sbp_doorbell(struct sbp_dev *sdev) 1058{ 1059 struct fw_xfer *xfer; 1060 struct fw_pkt *fp; 1061SBP_DEBUG(1) 1062 sbp_show_sdev_info(sdev, 2); 1063 printf("sbp_doorbell\n"); 1064END_DEBUG 1065 1066 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x10); 1067 if (xfer == NULL) 1068 return; 1069 xfer->act.hand = sbp_cmd_callback; 1070 fp = (struct fw_pkt *)xfer->send.buf; 1071 fp->mode.wreqq.data = htonl(0xf); 1072 fw_asyreq(xfer->fc, -1, xfer); 1073} 1074#endif 1075 1076static struct fw_xfer * 1077sbp_write_cmd(struct sbp_dev *sdev, int tcode, int offset) 1078{ 1079 struct fw_xfer *xfer; 1080 struct fw_pkt *fp; 1081 struct sbp_target *target; 1082 int s, new = 0; 1083 1084 target = sdev->target; 1085 s = splfw(); 1086 xfer = STAILQ_FIRST(&target->xferlist); 1087 if (xfer == NULL) { 1088 if (target->n_xfer > 5 /* XXX */) { 1089 printf("sbp: no more xfer for this target\n"); 1090 splx(s); 1091 return(NULL); 1092 } 1093 xfer = fw_xfer_alloc_buf(M_SBP, 8, 0); 1094 if(xfer == NULL){ 1095 printf("sbp: fw_xfer_alloc_buf failed\n"); 1096 splx(s); 1097 return NULL; 1098 } 1099 target->n_xfer ++; 1100 if (debug) 1101 printf("sbp: alloc %d xfer\n", target->n_xfer); 1102 new = 1; 1103 } else { 1104 STAILQ_REMOVE_HEAD(&target->xferlist, link); 1105 } 1106 splx(s); 1107 1108 microtime(&xfer->tv); 1109 1110 if (new) { 1111 xfer->recv.pay_len = 0; 1112 xfer->send.spd = min(sdev->target->fwdev->speed, max_speed); 1113 xfer->fc = sdev->target->sbp->fd.fc; 1114 xfer->retry_req = fw_asybusy; 1115 } 1116 1117 if (tcode == FWTCODE_WREQB) 1118 xfer->send.pay_len = 8; 1119 else 1120 xfer->send.pay_len = 0; 1121 1122 xfer->sc = (caddr_t)sdev; 1123 fp = &xfer->send.hdr; 1124 fp->mode.wreqq.dest_hi = sdev->login->cmd_hi; 1125 fp->mode.wreqq.dest_lo = sdev->login->cmd_lo + offset; 1126 fp->mode.wreqq.tlrt = 0; 1127 fp->mode.wreqq.tcode = tcode; 1128 fp->mode.wreqq.pri = 0; 1129 fp->mode.wreqq.dst = FWLOCALBUS | sdev->target->fwdev->dst; 1130 1131 return xfer; 1132 1133} 1134 1135static void 1136sbp_mgm_orb(struct sbp_dev *sdev, int func, struct sbp_ocb *aocb) 1137{ 1138 struct fw_xfer *xfer; 1139 struct fw_pkt *fp; 1140 struct sbp_ocb *ocb; 1141 struct sbp_target *target; 1142 int s, nid; 1143 1144 target = sdev->target; 1145 nid = target->sbp->fd.fc->nodeid | FWLOCALBUS; 1146 1147 s = splfw(); 1148 if (func == ORB_FUN_RUNQUEUE) { 1149 ocb = STAILQ_FIRST(&target->mgm_ocb_queue); 1150 if (target->mgm_ocb_cur != NULL || ocb == NULL) { 1151 splx(s); 1152 return; 1153 } 1154 STAILQ_REMOVE_HEAD(&target->mgm_ocb_queue, ocb); 1155 goto start; 1156 } 1157 if ((ocb = sbp_get_ocb(sdev)) == NULL) { 1158 splx(s); 1159 return; 1160 } 1161 ocb->flags = OCB_ACT_MGM; 1162 ocb->sdev = sdev; 1163 1164 bzero((void *)ocb->orb, sizeof(ocb->orb)); 1165 ocb->orb[6] = htonl((nid << 16) | SBP_BIND_HI); 1166 ocb->orb[7] = htonl(SBP_DEV2ADDR(target->target_id, sdev->lun_id)); 1167 1168SBP_DEBUG(0) 1169 sbp_show_sdev_info(sdev, 2); 1170 printf("%s\n", orb_fun_name[(func>>16)&0xf]); 1171END_DEBUG 1172 switch (func) { 1173 case ORB_FUN_LGI: 1174 ocb->orb[0] = ocb->orb[1] = 0; /* password */ 1175 ocb->orb[2] = htonl(nid << 16); 1176 ocb->orb[3] = htonl(sdev->dma.bus_addr); 1177 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_EXV | sdev->lun_id); 1178 ocb->orb[5] = htonl(SBP_LOGIN_SIZE); 1179 fwdma_sync(&sdev->dma, BUS_DMASYNC_PREREAD); 1180 break; 1181 case ORB_FUN_ATA: 1182 ocb->orb[0] = htonl((0 << 16) | 0); 1183 ocb->orb[1] = htonl(aocb->bus_addr & 0xffffffff); 1184 /* fall through */ 1185 case ORB_FUN_RCN: 1186 case ORB_FUN_LGO: 1187 case ORB_FUN_LUR: 1188 case ORB_FUN_RST: 1189 case ORB_FUN_ATS: 1190 ocb->orb[4] = htonl(ORB_NOTIFY | func | sdev->login->id); 1191 break; 1192 } 1193 1194 if (target->mgm_ocb_cur != NULL) { 1195 /* there is a standing ORB */ 1196 STAILQ_INSERT_TAIL(&sdev->target->mgm_ocb_queue, ocb, ocb); 1197 splx(s); 1198 return; 1199 } 1200start: 1201 target->mgm_ocb_cur = ocb; 1202 splx(s); 1203 1204 callout_reset(&target->mgm_ocb_timeout, 5*hz, 1205 sbp_mgm_timeout, (caddr_t)ocb); 1206 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0); 1207 if(xfer == NULL){ 1208 return; 1209 } 1210 xfer->act.hand = sbp_mgm_callback; 1211 1212 fp = &xfer->send.hdr; 1213 fp->mode.wreqb.dest_hi = sdev->target->mgm_hi; 1214 fp->mode.wreqb.dest_lo = sdev->target->mgm_lo; 1215 fp->mode.wreqb.len = 8; 1216 fp->mode.wreqb.extcode = 0; 1217 xfer->send.payload[0] = htonl(nid << 16); 1218 xfer->send.payload[1] = htonl(ocb->bus_addr & 0xffffffff); 1219SBP_DEBUG(0) 1220 sbp_show_sdev_info(sdev, 2); 1221 printf("mgm orb: %08x\n", (u_int32_t)ocb->bus_addr); 1222END_DEBUG 1223 1224 fw_asyreq(xfer->fc, -1, xfer); 1225} 1226 1227static void 1228sbp_print_scsi_cmd(struct sbp_ocb *ocb) 1229{ 1230 struct ccb_scsiio *csio; 1231 1232 csio = &ocb->ccb->csio; 1233 printf("%s:%d:%d XPT_SCSI_IO: " 1234 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 1235 ", flags: 0x%02x, " 1236 "%db cmd/%db data/%db sense\n", 1237 device_get_nameunit(ocb->sdev->target->sbp->fd.dev), 1238 ocb->ccb->ccb_h.target_id, ocb->ccb->ccb_h.target_lun, 1239 csio->cdb_io.cdb_bytes[0], 1240 csio->cdb_io.cdb_bytes[1], 1241 csio->cdb_io.cdb_bytes[2], 1242 csio->cdb_io.cdb_bytes[3], 1243 csio->cdb_io.cdb_bytes[4], 1244 csio->cdb_io.cdb_bytes[5], 1245 csio->cdb_io.cdb_bytes[6], 1246 csio->cdb_io.cdb_bytes[7], 1247 csio->cdb_io.cdb_bytes[8], 1248 csio->cdb_io.cdb_bytes[9], 1249 ocb->ccb->ccb_h.flags & CAM_DIR_MASK, 1250 csio->cdb_len, csio->dxfer_len, 1251 csio->sense_len); 1252} 1253 1254static void 1255sbp_scsi_status(struct sbp_status *sbp_status, struct sbp_ocb *ocb) 1256{ 1257 struct sbp_cmd_status *sbp_cmd_status; 1258 struct scsi_sense_data *sense; 1259 1260 sbp_cmd_status = (struct sbp_cmd_status *)sbp_status->data; 1261 sense = &ocb->ccb->csio.sense_data; 1262 1263SBP_DEBUG(0) 1264 sbp_print_scsi_cmd(ocb); 1265 /* XXX need decode status */ 1266 sbp_show_sdev_info(ocb->sdev, 2); 1267 printf("SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d\n", 1268 sbp_cmd_status->status, 1269 sbp_cmd_status->sfmt, 1270 sbp_cmd_status->valid, 1271 sbp_cmd_status->s_key, 1272 sbp_cmd_status->s_code, 1273 sbp_cmd_status->s_qlfr, 1274 sbp_status->len 1275 ); 1276END_DEBUG 1277 1278 switch (sbp_cmd_status->status) { 1279 case SCSI_STATUS_CHECK_COND: 1280 case SCSI_STATUS_BUSY: 1281 case SCSI_STATUS_CMD_TERMINATED: 1282 if(sbp_cmd_status->sfmt == SBP_SFMT_CURR){ 1283 sense->error_code = SSD_CURRENT_ERROR; 1284 }else{ 1285 sense->error_code = SSD_DEFERRED_ERROR; 1286 } 1287 if(sbp_cmd_status->valid) 1288 sense->error_code |= SSD_ERRCODE_VALID; 1289 sense->flags = sbp_cmd_status->s_key; 1290 if(sbp_cmd_status->mark) 1291 sense->flags |= SSD_FILEMARK; 1292 if(sbp_cmd_status->eom) 1293 sense->flags |= SSD_EOM; 1294 if(sbp_cmd_status->ill_len) 1295 sense->flags |= SSD_ILI; 1296 1297 bcopy(&sbp_cmd_status->info, &sense->info[0], 4); 1298 1299 if (sbp_status->len <= 1) 1300 /* XXX not scsi status. shouldn't be happened */ 1301 sense->extra_len = 0; 1302 else if (sbp_status->len <= 4) 1303 /* add_sense_code(_qual), info, cmd_spec_info */ 1304 sense->extra_len = 6; 1305 else 1306 /* fru, sense_key_spec */ 1307 sense->extra_len = 10; 1308 1309 bcopy(&sbp_cmd_status->cdb, &sense->cmd_spec_info[0], 4); 1310 1311 sense->add_sense_code = sbp_cmd_status->s_code; 1312 sense->add_sense_code_qual = sbp_cmd_status->s_qlfr; 1313 sense->fru = sbp_cmd_status->fru; 1314 1315 bcopy(&sbp_cmd_status->s_keydep[0], 1316 &sense->sense_key_spec[0], 3); 1317 1318 ocb->ccb->csio.scsi_status = sbp_cmd_status->status;; 1319 ocb->ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR 1320 | CAM_AUTOSNS_VALID; 1321/* 1322{ 1323 u_int8_t j, *tmp; 1324 tmp = sense; 1325 for( j = 0 ; j < 32 ; j+=8){ 1326 printf("sense %02x%02x %02x%02x %02x%02x %02x%02x\n", 1327 tmp[j], tmp[j+1], tmp[j+2], tmp[j+3], 1328 tmp[j+4], tmp[j+5], tmp[j+6], tmp[j+7]); 1329 } 1330 1331} 1332*/ 1333 break; 1334 default: 1335 sbp_show_sdev_info(ocb->sdev, 2); 1336 printf("sbp_scsi_status: unknown scsi status 0x%x\n", 1337 sbp_cmd_status->status); 1338 } 1339} 1340 1341static void 1342sbp_fix_inq_data(struct sbp_ocb *ocb) 1343{ 1344 union ccb *ccb; 1345 struct sbp_dev *sdev; 1346 struct scsi_inquiry_data *inq; 1347 1348 ccb = ocb->ccb; 1349 sdev = ocb->sdev; 1350 1351 if (ccb->csio.cdb_io.cdb_bytes[1] & SI_EVPD) 1352 return; 1353SBP_DEBUG(1) 1354 sbp_show_sdev_info(sdev, 2); 1355 printf("sbp_fix_inq_data\n"); 1356END_DEBUG 1357 inq = (struct scsi_inquiry_data *) ccb->csio.data_ptr; 1358 switch (SID_TYPE(inq)) { 1359 case T_DIRECT: 1360#if 0 1361 /* 1362 * XXX Convert Direct Access device to RBC. 1363 * I've never seen FireWire DA devices which support READ_6. 1364 */ 1365 if (SID_TYPE(inq) == T_DIRECT) 1366 inq->device |= T_RBC; /* T_DIRECT == 0 */ 1367#endif 1368 /* fall through */ 1369 case T_RBC: 1370 /* enable tagged queuing */ 1371#if 1 1372 inq->flags |= SID_CmdQue; 1373#endif 1374 /* 1375 * Override vendor/product/revision information. 1376 * Some devices sometimes return strange strings. 1377 */ 1378#if 1 1379 bcopy(sdev->vendor, inq->vendor, sizeof(inq->vendor)); 1380 bcopy(sdev->product, inq->product, sizeof(inq->product)); 1381 bcopy(sdev->revision+2, inq->revision, sizeof(inq->revision)); 1382#endif 1383 break; 1384 } 1385} 1386 1387static void 1388sbp_recv1(struct fw_xfer *xfer) 1389{ 1390 struct fw_pkt *rfp; 1391#if NEED_RESPONSE 1392 struct fw_pkt *sfp; 1393#endif 1394 struct sbp_softc *sbp; 1395 struct sbp_dev *sdev; 1396 struct sbp_ocb *ocb; 1397 struct sbp_login_res *login_res = NULL; 1398 struct sbp_status *sbp_status; 1399 struct sbp_target *target; 1400 int orb_fun, status_valid0, status_valid, t, l, reset_agent = 0; 1401 u_int32_t addr; 1402/* 1403 u_int32_t *ld; 1404 ld = xfer->recv.buf; 1405printf("sbp %x %d %d %08x %08x %08x %08x\n", 1406 xfer->resp, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3])); 1407printf("sbp %08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 1408printf("sbp %08x %08x %08x %08x\n", ntohl(ld[8]), ntohl(ld[9]), ntohl(ld[10]), ntohl(ld[11])); 1409*/ 1410 sbp = (struct sbp_softc *)xfer->sc; 1411 if (xfer->resp != 0){ 1412 printf("sbp_recv: xfer->resp != 0\n"); 1413 goto done0; 1414 } 1415 if (xfer->recv.payload == NULL){ 1416 printf("sbp_recv: xfer->recv.payload == NULL\n"); 1417 goto done0; 1418 } 1419 rfp = &xfer->recv.hdr; 1420 if(rfp->mode.wreqb.tcode != FWTCODE_WREQB){ 1421 printf("sbp_recv: tcode = %d\n", rfp->mode.wreqb.tcode); 1422 goto done0; 1423 } 1424 sbp_status = (struct sbp_status *)xfer->recv.payload; 1425 addr = rfp->mode.wreqb.dest_lo; 1426SBP_DEBUG(2) 1427 printf("received address 0x%x\n", addr); 1428END_DEBUG 1429 t = SBP_ADDR2TRG(addr); 1430 if (t >= SBP_NUM_TARGETS) { 1431 device_printf(sbp->fd.dev, 1432 "sbp_recv1: invalid target %d\n", t); 1433 goto done0; 1434 } 1435 target = &sbp->targets[t]; 1436 l = SBP_ADDR2LUN(addr); 1437 if (l >= target->num_lun) { 1438 device_printf(sbp->fd.dev, 1439 "sbp_recv1: invalid lun %d (target=%d)\n", l, t); 1440 goto done0; 1441 } 1442 sdev = &target->luns[l]; 1443 1444 ocb = NULL; 1445 switch (sbp_status->src) { 1446 case 0: 1447 case 1: 1448 /* check mgm_ocb_cur first */ 1449 ocb = target->mgm_ocb_cur; 1450 if (ocb != NULL) { 1451 if (OCB_MATCH(ocb, sbp_status)) { 1452 callout_stop(&target->mgm_ocb_timeout); 1453 target->mgm_ocb_cur = NULL; 1454 break; 1455 } 1456 } 1457 ocb = sbp_dequeue_ocb(sdev, sbp_status); 1458 if (ocb == NULL) { 1459 sbp_show_sdev_info(sdev, 2); 1460#if __FreeBSD_version >= 500000 1461 printf("No ocb(%x) on the queue\n", 1462#else 1463 printf("No ocb(%lx) on the queue\n", 1464#endif 1465 ntohl(sbp_status->orb_lo)); 1466 } 1467 break; 1468 case 2: 1469 /* unsolicit */ 1470 sbp_show_sdev_info(sdev, 2); 1471 printf("unsolicit status received\n"); 1472 break; 1473 default: 1474 sbp_show_sdev_info(sdev, 2); 1475 printf("unknown sbp_status->src\n"); 1476 } 1477 1478 status_valid0 = (sbp_status->src < 2 1479 && sbp_status->resp == ORB_RES_CMPL 1480 && sbp_status->dead == 0); 1481 status_valid = (status_valid0 && sbp_status->status == 0); 1482 1483 if (!status_valid0 || debug > 1){ 1484 int status; 1485SBP_DEBUG(0) 1486 sbp_show_sdev_info(sdev, 2); 1487 printf("ORB status src:%x resp:%x dead:%x" 1488#if __FreeBSD_version >= 500000 1489 " len:%x stat:%x orb:%x%08x\n", 1490#else 1491 " len:%x stat:%x orb:%x%08lx\n", 1492#endif 1493 sbp_status->src, sbp_status->resp, sbp_status->dead, 1494 sbp_status->len, sbp_status->status, 1495 ntohs(sbp_status->orb_hi), ntohl(sbp_status->orb_lo)); 1496END_DEBUG 1497 sbp_show_sdev_info(sdev, 2); 1498 status = sbp_status->status; 1499 switch(sbp_status->resp) { 1500 case 0: 1501 if (status > MAX_ORB_STATUS0) 1502 printf("%s\n", orb_status0[MAX_ORB_STATUS0]); 1503 else 1504 printf("%s\n", orb_status0[status]); 1505 break; 1506 case 1: 1507 printf("Obj: %s, Error: %s\n", 1508 orb_status1_object[(status>>6) & 3], 1509 orb_status1_serial_bus_error[status & 0xf]); 1510 break; 1511 case 2: 1512 printf("Illegal request\n"); 1513 break; 1514 case 3: 1515 printf("Vendor dependent\n"); 1516 break; 1517 default: 1518 printf("unknown respose code %d\n", sbp_status->resp); 1519 } 1520 } 1521 1522 /* we have to reset the fetch agent if it's dead */ 1523 if (sbp_status->dead) { 1524 if (sdev->path) { 1525 xpt_freeze_devq(sdev->path, 1); 1526 sdev->freeze ++; 1527 } 1528 reset_agent = 1; 1529 } 1530 1531 if (ocb == NULL) 1532 goto done; 1533 1534 switch(ntohl(ocb->orb[4]) & ORB_FMT_MSK){ 1535 case ORB_FMT_NOP: 1536 break; 1537 case ORB_FMT_VED: 1538 break; 1539 case ORB_FMT_STD: 1540 switch(ocb->flags) { 1541 case OCB_ACT_MGM: 1542 orb_fun = ntohl(ocb->orb[4]) & ORB_FUN_MSK; 1543 reset_agent = 0; 1544 switch(orb_fun) { 1545 case ORB_FUN_LGI: 1546 fwdma_sync(&sdev->dma, BUS_DMASYNC_POSTREAD); 1547 login_res = sdev->login; 1548 login_res->len = ntohs(login_res->len); 1549 login_res->id = ntohs(login_res->id); 1550 login_res->cmd_hi = ntohs(login_res->cmd_hi); 1551 login_res->cmd_lo = ntohl(login_res->cmd_lo); 1552 if (status_valid) { 1553SBP_DEBUG(0) 1554sbp_show_sdev_info(sdev, 2); 1555printf("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)); 1556END_DEBUG 1557 sbp_busy_timeout(sdev); 1558 } else { 1559 /* forgot logout? */ 1560 sbp_show_sdev_info(sdev, 2); 1561 printf("login failed\n"); 1562 sdev->status = SBP_DEV_RESET; 1563 } 1564 break; 1565 case ORB_FUN_RCN: 1566 login_res = sdev->login; 1567 if (status_valid) { 1568SBP_DEBUG(0) 1569sbp_show_sdev_info(sdev, 2); 1570printf("reconnect: len %d, ID %d, cmd %08x%08x\n", login_res->len, login_res->id, login_res->cmd_hi, login_res->cmd_lo); 1571END_DEBUG 1572#if 1 1573 if (sdev->status == SBP_DEV_ATTACHED) 1574 sbp_scan_dev(sdev); 1575 else 1576 sbp_agent_reset(sdev); 1577#else 1578 sdev->status = SBP_DEV_ATTACHED; 1579 sbp_mgm_orb(sdev, ORB_FUN_ATS, NULL); 1580#endif 1581 } else { 1582 /* reconnection hold time exceed? */ 1583SBP_DEBUG(0) 1584 sbp_show_sdev_info(sdev, 2); 1585 printf("reconnect failed\n"); 1586END_DEBUG 1587 sbp_login(sdev); 1588 } 1589 break; 1590 case ORB_FUN_LGO: 1591 sdev->status = SBP_DEV_RESET; 1592 break; 1593 case ORB_FUN_RST: 1594 sbp_busy_timeout(sdev); 1595 break; 1596 case ORB_FUN_LUR: 1597 case ORB_FUN_ATA: 1598 case ORB_FUN_ATS: 1599 sbp_agent_reset(sdev); 1600 break; 1601 default: 1602 sbp_show_sdev_info(sdev, 2); 1603 printf("unknown function %d\n", orb_fun); 1604 break; 1605 } 1606 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 1607 break; 1608 case OCB_ACT_CMD: 1609 sdev->timeout = 0; 1610 if(ocb->ccb != NULL){ 1611 union ccb *ccb; 1612/* 1613 u_int32_t *ld; 1614 ld = ocb->ccb->csio.data_ptr; 1615 if(ld != NULL && ocb->ccb->csio.dxfer_len != 0) 1616 printf("ptr %08x %08x %08x %08x\n", ld[0], ld[1], ld[2], ld[3]); 1617 else 1618 printf("ptr NULL\n"); 1619printf("len %d\n", sbp_status->len); 1620*/ 1621 ccb = ocb->ccb; 1622 if(sbp_status->len > 1){ 1623 sbp_scsi_status(sbp_status, ocb); 1624 }else{ 1625 if(sbp_status->resp != ORB_RES_CMPL){ 1626 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1627 }else{ 1628 ccb->ccb_h.status = CAM_REQ_CMP; 1629 } 1630 } 1631 /* fix up inq data */ 1632 if (ccb->csio.cdb_io.cdb_bytes[0] == INQUIRY) 1633 sbp_fix_inq_data(ocb); 1634 xpt_done(ccb); 1635 } 1636 break; 1637 default: 1638 break; 1639 } 1640 } 1641 1642 sbp_free_ocb(sdev, ocb); 1643done: 1644 if (reset_agent) 1645 sbp_agent_reset(sdev); 1646 1647done0: 1648 xfer->recv.pay_len = SBP_RECV_LEN; 1649/* The received packet is usually small enough to be stored within 1650 * the buffer. In that case, the controller return ack_complete and 1651 * no respose is necessary. 1652 * 1653 * XXX fwohci.c and firewire.c should inform event_code such as 1654 * ack_complete or ack_pending to upper driver. 1655 */ 1656#if NEED_RESPONSE 1657 xfer->send.off = 0; 1658 sfp = (struct fw_pkt *)xfer->send.buf; 1659 sfp->mode.wres.dst = rfp->mode.wreqb.src; 1660 xfer->dst = sfp->mode.wres.dst; 1661 xfer->spd = min(sdev->target->fwdev->speed, max_speed); 1662 xfer->act.hand = sbp_loginres_callback; 1663 xfer->retry_req = fw_asybusy; 1664 1665 sfp->mode.wres.tlrt = rfp->mode.wreqb.tlrt; 1666 sfp->mode.wres.tcode = FWTCODE_WRES; 1667 sfp->mode.wres.rtcode = 0; 1668 sfp->mode.wres.pri = 0; 1669 1670 fw_asyreq(xfer->fc, -1, xfer); 1671#else 1672 /* recycle */ 1673 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link); 1674#endif 1675 1676 return; 1677 1678} 1679 1680static void 1681sbp_recv(struct fw_xfer *xfer) 1682{ 1683 int s; 1684 1685 s = splcam(); 1686 sbp_recv1(xfer); 1687 splx(s); 1688} 1689/* 1690 * sbp_attach() 1691 */ 1692static int 1693sbp_attach(device_t dev) 1694{ 1695 struct sbp_softc *sbp; 1696 struct cam_devq *devq; 1697 struct fw_xfer *xfer; 1698 int i, s, error; 1699 1700SBP_DEBUG(0) 1701 printf("sbp_attach (cold=%d)\n", cold); 1702END_DEBUG 1703 1704 if (cold) 1705 sbp_cold ++; 1706 sbp = ((struct sbp_softc *)device_get_softc(dev)); 1707 bzero(sbp, sizeof(struct sbp_softc)); 1708 sbp->fd.dev = dev; 1709 sbp->fd.fc = device_get_ivars(dev); 1710 error = bus_dma_tag_create(/*parent*/sbp->fd.fc->dmat, 1711 /* XXX shoud be 4 for sane backend? */ 1712 /*alignment*/1, 1713 /*boundary*/0, 1714 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, 1715 /*highaddr*/BUS_SPACE_MAXADDR, 1716 /*filter*/NULL, /*filterarg*/NULL, 1717 /*maxsize*/0x100000, /*nsegments*/SBP_IND_MAX, 1718 /*maxsegsz*/SBP_SEG_MAX, 1719 /*flags*/BUS_DMA_ALLOCNOW, 1720#if __FreeBSD_version >= 501102 1721 /*lockfunc*/busdma_lock_mutex, 1722 /*lockarg*/&Giant, 1723#endif 1724 &sbp->dmat); 1725 if (error != 0) { 1726 printf("sbp_attach: Could not allocate DMA tag " 1727 "- error %d\n", error); 1728 return (ENOMEM); 1729 } 1730 1731 devq = cam_simq_alloc(/*maxopenings*/SBP_NUM_OCB); 1732 if (devq == NULL) 1733 return (ENXIO); 1734 1735 for( i = 0 ; i < SBP_NUM_TARGETS ; i++){ 1736 sbp->targets[i].fwdev = NULL; 1737 sbp->targets[i].luns = NULL; 1738 } 1739 1740 sbp->sim = cam_sim_alloc(sbp_action, sbp_poll, "sbp", sbp, 1741 device_get_unit(dev), 1742 /*untagged*/ 1, 1743 /*tagged*/ SBP_QUEUE_LEN, 1744 devq); 1745 1746 if (sbp->sim == NULL) { 1747 cam_simq_free(devq); 1748 return (ENXIO); 1749 } 1750 1751 1752 if (xpt_bus_register(sbp->sim, /*bus*/0) != CAM_SUCCESS) 1753 goto fail; 1754 1755 if (xpt_create_path(&sbp->path, xpt_periph, cam_sim_path(sbp->sim), 1756 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 1757 xpt_bus_deregister(cam_sim_path(sbp->sim)); 1758 goto fail; 1759 } 1760 1761 /* We reserve 16 bit space (4 bytes X 64 targets X 256 luns) */ 1762 sbp->fwb.start = ((u_int64_t)SBP_BIND_HI << 32) | SBP_DEV2ADDR(0, 0); 1763 sbp->fwb.end = sbp->fwb.start + 0xffff; 1764 sbp->fwb.act_type = FWACT_XFER; 1765 /* pre-allocate xfer */ 1766 STAILQ_INIT(&sbp->fwb.xferlist); 1767 for (i = 0; i < SBP_NUM_OCB/2; i ++) { 1768 xfer = fw_xfer_alloc_buf(M_SBP, 1769 /* send */0, 1770 /* recv */SBP_RECV_LEN); 1771 xfer->act.hand = sbp_recv; 1772#if NEED_RESPONSE 1773 xfer->fc = sbp->fd.fc; 1774#endif 1775 xfer->sc = (caddr_t)sbp; 1776 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link); 1777 } 1778 fw_bindadd(sbp->fd.fc, &sbp->fwb); 1779 1780 sbp->fd.post_busreset = sbp_post_busreset; 1781 sbp->fd.post_explore = sbp_post_explore; 1782 1783 if (sbp->fd.fc->status != -1) { 1784 s = splfw(); 1785 sbp_post_explore((void *)sbp); 1786 splx(s); 1787 } 1788 1789 return (0); 1790fail: 1791 cam_sim_free(sbp->sim, /*free_devq*/TRUE); 1792 return (ENXIO); 1793} 1794 1795static int 1796sbp_logout_all(struct sbp_softc *sbp) 1797{ 1798 struct sbp_target *target; 1799 struct sbp_dev *sdev; 1800 int i, j; 1801 1802SBP_DEBUG(0) 1803 printf("sbp_logout_all\n"); 1804END_DEBUG 1805 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) { 1806 target = &sbp->targets[i]; 1807 if (target->luns == NULL) 1808 continue; 1809 for (j = 0; j < target->num_lun; j++) { 1810 sdev = &target->luns[j]; 1811 callout_stop(&sdev->login_callout); 1812 if (sdev->status >= SBP_DEV_TOATTACH && 1813 sdev->status <= SBP_DEV_ATTACHED) 1814 sbp_mgm_orb(sdev, ORB_FUN_LGO, NULL); 1815 } 1816 } 1817 1818 return 0; 1819} 1820 1821static int 1822sbp_shutdown(device_t dev) 1823{ 1824 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 1825 1826 sbp_logout_all(sbp); 1827 return (0); 1828} 1829 1830static int 1831sbp_detach(device_t dev) 1832{ 1833 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 1834 struct firewire_comm *fc = sbp->fd.fc; 1835 struct sbp_target *target; 1836 struct sbp_dev *sdev; 1837 struct fw_xfer *xfer, *next; 1838 int i, j; 1839 1840SBP_DEBUG(0) 1841 printf("sbp_detach\n"); 1842END_DEBUG 1843 1844 for (i = 0; i < SBP_NUM_TARGETS; i ++) 1845 sbp_cam_detach_target(&sbp->targets[i]); 1846 xpt_async(AC_LOST_DEVICE, sbp->path, NULL); 1847 xpt_free_path(sbp->path); 1848 xpt_bus_deregister(cam_sim_path(sbp->sim)); 1849 cam_sim_free(sbp->sim, /*free_devq*/ TRUE), 1850 1851 sbp_logout_all(sbp); 1852 1853 /* XXX wait for logout completion */ 1854 tsleep(&i, FWPRI, "sbpdtc", hz/2); 1855 1856 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) { 1857 target = &sbp->targets[i]; 1858 if (target->luns == NULL) 1859 continue; 1860 callout_stop(&target->mgm_ocb_timeout); 1861 for (j = 0; j < target->num_lun; j++) { 1862 sdev = &target->luns[j]; 1863 if (sdev->status != SBP_DEV_DEAD) { 1864 for (i = 0; i < SBP_QUEUE_LEN; i++) 1865 bus_dmamap_destroy(sbp->dmat, 1866 sdev->ocb[i].dmamap); 1867 fwdma_free(sbp->fd.fc, &sdev->dma); 1868 } 1869 } 1870 for (xfer = STAILQ_FIRST(&target->xferlist); 1871 xfer != NULL; xfer = next) { 1872 next = STAILQ_NEXT(xfer, link); 1873 fw_xfer_free_buf(xfer); 1874 } 1875 free(target->luns, M_SBP); 1876 } 1877 1878 for (xfer = STAILQ_FIRST(&sbp->fwb.xferlist); 1879 xfer != NULL; xfer = next) { 1880 next = STAILQ_NEXT(xfer, link); 1881 fw_xfer_free_buf(xfer); 1882 } 1883 STAILQ_INIT(&sbp->fwb.xferlist); 1884 fw_bindremove(fc, &sbp->fwb); 1885 1886 bus_dma_tag_destroy(sbp->dmat); 1887 1888 return (0); 1889} 1890 1891static void 1892sbp_cam_detach_target(struct sbp_target *target) 1893{ 1894 struct sbp_dev *sdev; 1895 int i; 1896 1897 if (target->luns != NULL) { 1898SBP_DEBUG(0) 1899 printf("sbp_detach_target %d\n", target->target_id); 1900END_DEBUG 1901 callout_stop(&target->scan_callout); 1902 for (i = 0; i < target->num_lun; i++) { 1903 sdev = &target->luns[i]; 1904 if (sdev->status == SBP_DEV_DEAD) 1905 continue; 1906 if (sdev->status == SBP_DEV_RESET) 1907 continue; 1908 if (sdev->path) { 1909 xpt_release_devq(sdev->path, 1910 sdev->freeze, TRUE); 1911 sdev->freeze = 0; 1912 xpt_async(AC_LOST_DEVICE, sdev->path, NULL); 1913 xpt_free_path(sdev->path); 1914 sdev->path = NULL; 1915 } 1916 sbp_abort_all_ocbs(sdev, CAM_DEV_NOT_THERE); 1917 } 1918 } 1919} 1920 1921static void 1922sbp_target_reset(struct sbp_dev *sdev, int method) 1923{ 1924 int i; 1925 struct sbp_target *target = sdev->target; 1926 struct sbp_dev *tsdev; 1927 1928 for (i = 0; i < target->num_lun; i++) { 1929 tsdev = &target->luns[i]; 1930 if (tsdev->status == SBP_DEV_DEAD) 1931 continue; 1932 if (tsdev->status == SBP_DEV_RESET) 1933 continue; 1934 xpt_freeze_devq(tsdev->path, 1); 1935 tsdev->freeze ++; 1936 sbp_abort_all_ocbs(tsdev, CAM_CMD_TIMEOUT); 1937 if (method == 2) 1938 tsdev->status = SBP_DEV_LOGIN; 1939 } 1940 switch(method) { 1941 case 1: 1942 printf("target reset\n"); 1943 sbp_mgm_orb(sdev, ORB_FUN_RST, NULL); 1944 break; 1945 case 2: 1946 printf("reset start\n"); 1947 sbp_reset_start(sdev); 1948 break; 1949 } 1950 1951} 1952 1953static void 1954sbp_mgm_timeout(void *arg) 1955{ 1956 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 1957 struct sbp_dev *sdev = ocb->sdev; 1958 struct sbp_target *target = sdev->target; 1959 1960 sbp_show_sdev_info(sdev, 2); 1961 printf("request timeout(mgm orb:0x%08x) ... ", 1962 (u_int32_t)ocb->bus_addr); 1963 target->mgm_ocb_cur = NULL; 1964 sbp_free_ocb(sdev, ocb); 1965#if 0 1966 /* XXX */ 1967 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 1968#endif 1969#if 0 1970 sbp_reset_start(sdev); 1971#endif 1972} 1973 1974static void 1975sbp_timeout(void *arg) 1976{ 1977 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 1978 struct sbp_dev *sdev = ocb->sdev; 1979 1980 sbp_show_sdev_info(sdev, 2); 1981 printf("request timeout(cmd orb:0x%08x) ... ", 1982 (u_int32_t)ocb->bus_addr); 1983 1984 sdev->timeout ++; 1985 switch(sdev->timeout) { 1986 case 1: 1987 printf("agent reset\n"); 1988 xpt_freeze_devq(sdev->path, 1); 1989 sdev->freeze ++; 1990 sbp_abort_all_ocbs(sdev, CAM_CMD_TIMEOUT); 1991 sbp_agent_reset(sdev); 1992 break; 1993 case 2: 1994 case 3: 1995 sbp_target_reset(sdev, sdev->timeout - 1); 1996 break; 1997#if 0 1998 default: 1999 /* XXX give up */ 2000 sbp_cam_detach_target(target); 2001 if (target->luns != NULL) 2002 free(target->luns, M_SBP); 2003 target->num_lun = 0;; 2004 target->luns = NULL; 2005 target->fwdev = NULL; 2006#endif 2007 } 2008} 2009 2010static void 2011sbp_action1(struct cam_sim *sim, union ccb *ccb) 2012{ 2013 2014 struct sbp_softc *sbp = (struct sbp_softc *)sim->softc; 2015 struct sbp_target *target = NULL; 2016 struct sbp_dev *sdev = NULL; 2017 2018 /* target:lun -> sdev mapping */ 2019 if (sbp != NULL 2020 && ccb->ccb_h.target_id != CAM_TARGET_WILDCARD 2021 && ccb->ccb_h.target_id < SBP_NUM_TARGETS) { 2022 target = &sbp->targets[ccb->ccb_h.target_id]; 2023 if (target->fwdev != NULL 2024 && ccb->ccb_h.target_lun != CAM_LUN_WILDCARD 2025 && ccb->ccb_h.target_lun < target->num_lun) { 2026 sdev = &target->luns[ccb->ccb_h.target_lun]; 2027 if (sdev->status != SBP_DEV_ATTACHED && 2028 sdev->status != SBP_DEV_PROBE) 2029 sdev = NULL; 2030 } 2031 } 2032 2033SBP_DEBUG(1) 2034 if (sdev == NULL) 2035 printf("invalid target %d lun %d\n", 2036 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2037END_DEBUG 2038 2039 switch (ccb->ccb_h.func_code) { 2040 case XPT_SCSI_IO: 2041 case XPT_RESET_DEV: 2042 case XPT_GET_TRAN_SETTINGS: 2043 case XPT_SET_TRAN_SETTINGS: 2044 case XPT_CALC_GEOMETRY: 2045 if (sdev == NULL) { 2046SBP_DEBUG(1) 2047 printf("%s:%d:%d:func_code 0x%04x: " 2048 "Invalid target (target needed)\n", 2049 device_get_nameunit(sbp->fd.dev), 2050 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2051 ccb->ccb_h.func_code); 2052END_DEBUG 2053 2054 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2055 xpt_done(ccb); 2056 return; 2057 } 2058 break; 2059 case XPT_PATH_INQ: 2060 case XPT_NOOP: 2061 /* The opcodes sometimes aimed at a target (sc is valid), 2062 * sometimes aimed at the SIM (sc is invalid and target is 2063 * CAM_TARGET_WILDCARD) 2064 */ 2065 if (sbp == NULL && 2066 ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) { 2067SBP_DEBUG(0) 2068 printf("%s:%d:%d func_code 0x%04x: " 2069 "Invalid target (no wildcard)\n", 2070 device_get_nameunit(sbp->fd.dev), 2071 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2072 ccb->ccb_h.func_code); 2073END_DEBUG 2074 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2075 xpt_done(ccb); 2076 return; 2077 } 2078 break; 2079 default: 2080 /* XXX Hm, we should check the input parameters */ 2081 break; 2082 } 2083 2084 switch (ccb->ccb_h.func_code) { 2085 case XPT_SCSI_IO: 2086 { 2087 struct ccb_scsiio *csio; 2088 struct sbp_ocb *ocb; 2089 int speed; 2090 void *cdb; 2091 2092 csio = &ccb->csio; 2093 2094SBP_DEBUG(1) 2095 printf("%s:%d:%d XPT_SCSI_IO: " 2096 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 2097 ", flags: 0x%02x, " 2098 "%db cmd/%db data/%db sense\n", 2099 device_get_nameunit(sbp->fd.dev), 2100 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2101 csio->cdb_io.cdb_bytes[0], 2102 csio->cdb_io.cdb_bytes[1], 2103 csio->cdb_io.cdb_bytes[2], 2104 csio->cdb_io.cdb_bytes[3], 2105 csio->cdb_io.cdb_bytes[4], 2106 csio->cdb_io.cdb_bytes[5], 2107 csio->cdb_io.cdb_bytes[6], 2108 csio->cdb_io.cdb_bytes[7], 2109 csio->cdb_io.cdb_bytes[8], 2110 csio->cdb_io.cdb_bytes[9], 2111 ccb->ccb_h.flags & CAM_DIR_MASK, 2112 csio->cdb_len, csio->dxfer_len, 2113 csio->sense_len); 2114END_DEBUG 2115 if(sdev == NULL){ 2116 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2117 xpt_done(ccb); 2118 return; 2119 } 2120#if 0 2121 /* if we are in probe stage, pass only probe commands */ 2122 if (sdev->status == SBP_DEV_PROBE) { 2123 char *name; 2124 name = xpt_path_periph(ccb->ccb_h.path)->periph_name; 2125 printf("probe stage, periph name: %s\n", name); 2126 if (strcmp(name, "probe") != 0) { 2127 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2128 xpt_done(ccb); 2129 return; 2130 } 2131 } 2132#endif 2133 if ((ocb = sbp_get_ocb(sdev)) == NULL) 2134 return; 2135 2136 ocb->flags = OCB_ACT_CMD; 2137 ocb->sdev = sdev; 2138 ocb->ccb = ccb; 2139 ccb->ccb_h.ccb_sdev_ptr = sdev; 2140 ocb->orb[0] = htonl(1 << 31); 2141 ocb->orb[1] = 0; 2142 ocb->orb[2] = htonl(((sbp->fd.fc->nodeid | FWLOCALBUS )<< 16) ); 2143 ocb->orb[3] = htonl(ocb->bus_addr + IND_PTR_OFFSET); 2144 speed = min(target->fwdev->speed, max_speed); 2145 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_CMD_SPD(speed) 2146 | ORB_CMD_MAXP(speed + 7)); 2147 if((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN){ 2148 ocb->orb[4] |= htonl(ORB_CMD_IN); 2149 } 2150 2151 if (csio->ccb_h.flags & CAM_SCATTER_VALID) 2152 printf("sbp: CAM_SCATTER_VALID\n"); 2153 if (csio->ccb_h.flags & CAM_DATA_PHYS) 2154 printf("sbp: CAM_DATA_PHYS\n"); 2155 2156 if (csio->ccb_h.flags & CAM_CDB_POINTER) 2157 cdb = (void *)csio->cdb_io.cdb_ptr; 2158 else 2159 cdb = (void *)&csio->cdb_io.cdb_bytes; 2160 bcopy(cdb, (void *)&ocb->orb[5], csio->cdb_len); 2161/* 2162printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[0]), ntohl(ocb->orb[1]), ntohl(ocb->orb[2]), ntohl(ocb->orb[3])); 2163printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[4]), ntohl(ocb->orb[5]), ntohl(ocb->orb[6]), ntohl(ocb->orb[7])); 2164*/ 2165 if (ccb->csio.dxfer_len > 0) { 2166 int s, error; 2167 2168 s = splsoftvm(); 2169 error = bus_dmamap_load(/*dma tag*/sbp->dmat, 2170 /*dma map*/ocb->dmamap, 2171 ccb->csio.data_ptr, 2172 ccb->csio.dxfer_len, 2173 sbp_execute_ocb, 2174 ocb, 2175 /*flags*/0); 2176 splx(s); 2177 if (error) 2178 printf("sbp: bus_dmamap_load error %d\n", error); 2179 } else 2180 sbp_execute_ocb(ocb, NULL, 0, 0); 2181 break; 2182 } 2183 case XPT_CALC_GEOMETRY: 2184 { 2185 struct ccb_calc_geometry *ccg; 2186#if __FreeBSD_version < 501100 2187 u_int32_t size_mb; 2188 u_int32_t secs_per_cylinder; 2189 int extended = 1; 2190#endif 2191 2192 ccg = &ccb->ccg; 2193 if (ccg->block_size == 0) { 2194 printf("sbp_action1: block_size is 0.\n"); 2195 ccb->ccb_h.status = CAM_REQ_INVALID; 2196 xpt_done(ccb); 2197 break; 2198 } 2199SBP_DEBUG(1) 2200 printf("%s:%d:%d:%d:XPT_CALC_GEOMETRY: " 2201#if __FreeBSD_version >= 500000 2202 "Volume size = %jd\n", 2203#else 2204 "Volume size = %d\n", 2205#endif 2206 device_get_nameunit(sbp->fd.dev), 2207 cam_sim_path(sbp->sim), 2208 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2209#if __FreeBSD_version >= 500000 2210 (uintmax_t) 2211#endif 2212 ccg->volume_size); 2213END_DEBUG 2214 2215#if __FreeBSD_version < 501100 2216 size_mb = ccg->volume_size 2217 / ((1024L * 1024L) / ccg->block_size); 2218 2219 if (size_mb > 1024 && extended) { 2220 ccg->heads = 255; 2221 ccg->secs_per_track = 63; 2222 } else { 2223 ccg->heads = 64; 2224 ccg->secs_per_track = 32; 2225 } 2226 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 2227 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 2228 ccb->ccb_h.status = CAM_REQ_CMP; 2229#else 2230 cam_calc_geometry(ccg, /*extended*/1); 2231#endif 2232 xpt_done(ccb); 2233 break; 2234 } 2235 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 2236 { 2237 2238SBP_DEBUG(1) 2239 printf("%s:%d:XPT_RESET_BUS: \n", 2240 device_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim)); 2241END_DEBUG 2242 2243 ccb->ccb_h.status = CAM_REQ_INVALID; 2244 xpt_done(ccb); 2245 break; 2246 } 2247 case XPT_PATH_INQ: /* Path routing inquiry */ 2248 { 2249 struct ccb_pathinq *cpi = &ccb->cpi; 2250 2251SBP_DEBUG(1) 2252 printf("%s:%d:%d XPT_PATH_INQ:.\n", 2253 device_get_nameunit(sbp->fd.dev), 2254 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2255END_DEBUG 2256 cpi->version_num = 1; /* XXX??? */ 2257 cpi->hba_inquiry = PI_TAG_ABLE; 2258 cpi->target_sprt = 0; 2259 cpi->hba_misc = PIM_NOBUSRESET | PIM_NO_6_BYTE; 2260 cpi->hba_eng_cnt = 0; 2261 cpi->max_target = SBP_NUM_TARGETS - 1; 2262 cpi->max_lun = SBP_NUM_LUNS - 1; 2263 cpi->initiator_id = SBP_INITIATOR; 2264 cpi->bus_id = sim->bus_id; 2265 cpi->base_transfer_speed = 400 * 1000 / 8; 2266 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 2267 strncpy(cpi->hba_vid, "SBP", HBA_IDLEN); 2268 strncpy(cpi->dev_name, sim->sim_name, DEV_IDLEN); 2269 cpi->unit_number = sim->unit_number; 2270 2271 cpi->ccb_h.status = CAM_REQ_CMP; 2272 xpt_done(ccb); 2273 break; 2274 } 2275 case XPT_GET_TRAN_SETTINGS: 2276 { 2277 struct ccb_trans_settings *cts = &ccb->cts; 2278SBP_DEBUG(1) 2279 printf("%s:%d:%d XPT_GET_TRAN_SETTINGS:.\n", 2280 device_get_nameunit(sbp->fd.dev), 2281 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2282END_DEBUG 2283 /* Enable disconnect and tagged queuing */ 2284 cts->valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID; 2285 cts->flags = CCB_TRANS_DISC_ENB | CCB_TRANS_TAG_ENB; 2286 2287 cts->ccb_h.status = CAM_REQ_CMP; 2288 xpt_done(ccb); 2289 break; 2290 } 2291 case XPT_ABORT: 2292 ccb->ccb_h.status = CAM_UA_ABORT; 2293 xpt_done(ccb); 2294 break; 2295 case XPT_SET_TRAN_SETTINGS: 2296 /* XXX */ 2297 default: 2298 ccb->ccb_h.status = CAM_REQ_INVALID; 2299 xpt_done(ccb); 2300 break; 2301 } 2302 return; 2303} 2304 2305static void 2306sbp_action(struct cam_sim *sim, union ccb *ccb) 2307{ 2308 int s; 2309 2310 s = splfw(); 2311 sbp_action1(sim, ccb); 2312 splx(s); 2313} 2314 2315static void 2316sbp_execute_ocb(void *arg, bus_dma_segment_t *segments, int seg, int error) 2317{ 2318 int i; 2319 struct sbp_ocb *ocb; 2320 struct sbp_ocb *prev; 2321 bus_dma_segment_t *s; 2322 2323 if (error) 2324 printf("sbp_execute_ocb: error=%d\n", error); 2325 2326 ocb = (struct sbp_ocb *)arg; 2327 2328SBP_DEBUG(1) 2329 printf("sbp_execute_ocb: seg %d", seg); 2330 for (i = 0; i < seg; i++) 2331#if __FreeBSD_version >= 500000 2332 printf(", %jx:%jd", (uintmax_t)segments[i].ds_addr, 2333 (uintmax_t)segments[i].ds_len); 2334#else 2335 printf(", %x:%d", segments[i].ds_addr, segments[i].ds_len); 2336#endif 2337 printf("\n"); 2338END_DEBUG 2339 2340 if (seg == 1) { 2341 /* direct pointer */ 2342 s = &segments[0]; 2343 if (s->ds_len > SBP_SEG_MAX) 2344 panic("ds_len > SBP_SEG_MAX, fix busdma code"); 2345 ocb->orb[3] = htonl(s->ds_addr); 2346 ocb->orb[4] |= htonl(s->ds_len); 2347 } else if(seg > 1) { 2348 /* page table */ 2349 for (i = 0; i < seg; i++) { 2350 s = &segments[i]; 2351SBP_DEBUG(0) 2352 /* XXX LSI Logic "< 16 byte" bug might be hit */ 2353 if (s->ds_len < 16) 2354 printf("sbp_execute_ocb: warning, " 2355#if __FreeBSD_version >= 500000 2356 "segment length(%zd) is less than 16." 2357#else 2358 "segment length(%d) is less than 16." 2359#endif 2360 "(seg=%d/%d)\n", s->ds_len, i+1, seg); 2361END_DEBUG 2362 if (s->ds_len > SBP_SEG_MAX) 2363 panic("ds_len > SBP_SEG_MAX, fix busdma code"); 2364 ocb->ind_ptr[i].hi = htonl(s->ds_len << 16); 2365 ocb->ind_ptr[i].lo = htonl(s->ds_addr); 2366 } 2367 ocb->orb[4] |= htonl(ORB_CMD_PTBL | seg); 2368 } 2369 2370 if (seg > 0) 2371 bus_dmamap_sync(ocb->sdev->target->sbp->dmat, ocb->dmamap, 2372 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2373 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE); 2374 prev = sbp_enqueue_ocb(ocb->sdev, ocb); 2375 fwdma_sync(&ocb->sdev->dma, BUS_DMASYNC_PREWRITE); 2376 if (prev == NULL || (ocb->sdev->flags & ORB_LINK_DEAD) != 0) { 2377 ocb->sdev->flags &= ~ORB_LINK_DEAD; 2378 sbp_orb_pointer(ocb->sdev, ocb); 2379 } 2380} 2381 2382static void 2383sbp_poll(struct cam_sim *sim) 2384{ 2385 struct sbp_softc *sbp; 2386 struct firewire_comm *fc; 2387 2388 sbp = (struct sbp_softc *)sim->softc; 2389 fc = sbp->fd.fc; 2390 2391 fc->poll(fc, 0, -1); 2392 2393 return; 2394} 2395 2396static struct sbp_ocb * 2397sbp_dequeue_ocb(struct sbp_dev *sdev, struct sbp_status *sbp_status) 2398{ 2399 struct sbp_ocb *ocb; 2400 struct sbp_ocb *next; 2401 int s = splfw(), order = 0; 2402 int flags; 2403 2404 for (ocb = STAILQ_FIRST(&sdev->ocbs); ocb != NULL; ocb = next) { 2405 next = STAILQ_NEXT(ocb, ocb); 2406 flags = ocb->flags; 2407SBP_DEBUG(1) 2408 sbp_show_sdev_info(sdev, 2); 2409#if __FreeBSD_version >= 500000 2410 printf("orb: 0x%jx next: 0x%x, flags %x\n", 2411 (uintmax_t)ocb->bus_addr, 2412#else 2413 printf("orb: 0x%x next: 0x%lx, flags %x\n", 2414 ocb->bus_addr, 2415#endif 2416 ntohl(ocb->orb[1]), flags); 2417END_DEBUG 2418 if (OCB_MATCH(ocb, sbp_status)) { 2419 /* found */ 2420 STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb); 2421 if (ocb->ccb != NULL) 2422 untimeout(sbp_timeout, (caddr_t)ocb, 2423 ocb->ccb->ccb_h.timeout_ch); 2424 if (ntohl(ocb->orb[4]) & 0xffff) { 2425 bus_dmamap_sync(sdev->target->sbp->dmat, 2426 ocb->dmamap, 2427 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2428 BUS_DMASYNC_POSTREAD : 2429 BUS_DMASYNC_POSTWRITE); 2430 bus_dmamap_unload(sdev->target->sbp->dmat, 2431 ocb->dmamap); 2432 } 2433 if (sbp_status->src == SRC_NO_NEXT) { 2434 if (next != NULL) 2435 sbp_orb_pointer(sdev, next); 2436 else if (order > 0) { 2437 /* 2438 * Unordered execution 2439 * We need to send pointer for 2440 * next ORB 2441 */ 2442 sdev->flags |= ORB_LINK_DEAD; 2443 } 2444 } 2445 break; 2446 } else 2447 order ++; 2448 } 2449 splx(s); 2450SBP_DEBUG(0) 2451 if (ocb && order > 0) { 2452 sbp_show_sdev_info(sdev, 2); 2453 printf("unordered execution order:%d\n", order); 2454 } 2455END_DEBUG 2456 return (ocb); 2457} 2458 2459static struct sbp_ocb * 2460sbp_enqueue_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 2461{ 2462 int s = splfw(); 2463 struct sbp_ocb *prev; 2464 2465SBP_DEBUG(2) 2466 sbp_show_sdev_info(sdev, 2); 2467#if __FreeBSD_version >= 500000 2468 printf("sbp_enqueue_ocb orb=0x%jx in physical memory\n", 2469 (uintmax_t)ocb->bus_addr); 2470#else 2471 printf("sbp_enqueue_ocb orb=0x%x in physical memory\n", ocb->bus_addr); 2472#endif 2473END_DEBUG 2474 prev = STAILQ_LAST(&sdev->ocbs, sbp_ocb, ocb); 2475 STAILQ_INSERT_TAIL(&sdev->ocbs, ocb, ocb); 2476 2477 if (ocb->ccb != NULL) 2478 ocb->ccb->ccb_h.timeout_ch = timeout(sbp_timeout, (caddr_t)ocb, 2479 (ocb->ccb->ccb_h.timeout * hz) / 1000); 2480 2481 if (prev != NULL) { 2482SBP_DEBUG(1) 2483#if __FreeBSD_version >= 500000 2484 printf("linking chain 0x%jx -> 0x%jx\n", 2485 (uintmax_t)prev->bus_addr, (uintmax_t)ocb->bus_addr); 2486#else 2487 printf("linking chain 0x%x -> 0x%x\n", 2488 prev->bus_addr, ocb->bus_addr); 2489#endif 2490END_DEBUG 2491 prev->orb[1] = htonl(ocb->bus_addr); 2492 prev->orb[0] = 0; 2493 } 2494 splx(s); 2495 2496 return prev; 2497} 2498 2499static struct sbp_ocb * 2500sbp_get_ocb(struct sbp_dev *sdev) 2501{ 2502 struct sbp_ocb *ocb; 2503 int s = splfw(); 2504 ocb = STAILQ_FIRST(&sdev->free_ocbs); 2505 if (ocb == NULL) { 2506 printf("ocb shortage!!!\n"); 2507 return NULL; 2508 } 2509 STAILQ_REMOVE_HEAD(&sdev->free_ocbs, ocb); 2510 splx(s); 2511 ocb->ccb = NULL; 2512 return (ocb); 2513} 2514 2515static void 2516sbp_free_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 2517{ 2518 ocb->flags = 0; 2519 ocb->ccb = NULL; 2520 STAILQ_INSERT_TAIL(&sdev->free_ocbs, ocb, ocb); 2521} 2522 2523static void 2524sbp_abort_ocb(struct sbp_ocb *ocb, int status) 2525{ 2526 struct sbp_dev *sdev; 2527 2528 sdev = ocb->sdev; 2529SBP_DEBUG(0) 2530 sbp_show_sdev_info(sdev, 2); 2531#if __FreeBSD_version >= 500000 2532 printf("sbp_abort_ocb 0x%jx\n", (uintmax_t)ocb->bus_addr); 2533#else 2534 printf("sbp_abort_ocb 0x%x\n", ocb->bus_addr); 2535#endif 2536END_DEBUG 2537SBP_DEBUG(1) 2538 if (ocb->ccb != NULL) 2539 sbp_print_scsi_cmd(ocb); 2540END_DEBUG 2541 if (ntohl(ocb->orb[4]) & 0xffff) { 2542 bus_dmamap_sync(sdev->target->sbp->dmat, ocb->dmamap, 2543 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2544 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 2545 bus_dmamap_unload(sdev->target->sbp->dmat, ocb->dmamap); 2546 } 2547 if (ocb->ccb != NULL) { 2548 untimeout(sbp_timeout, (caddr_t)ocb, 2549 ocb->ccb->ccb_h.timeout_ch); 2550 ocb->ccb->ccb_h.status = status; 2551 xpt_done(ocb->ccb); 2552 } 2553 sbp_free_ocb(sdev, ocb); 2554} 2555 2556static void 2557sbp_abort_all_ocbs(struct sbp_dev *sdev, int status) 2558{ 2559 int s; 2560 struct sbp_ocb *ocb, *next; 2561 STAILQ_HEAD(, sbp_ocb) temp; 2562 2563 s = splfw(); 2564 2565 bcopy(&sdev->ocbs, &temp, sizeof(temp)); 2566 STAILQ_INIT(&sdev->ocbs); 2567 for (ocb = STAILQ_FIRST(&temp); ocb != NULL; ocb = next) { 2568 next = STAILQ_NEXT(ocb, ocb); 2569 sbp_abort_ocb(ocb, status); 2570 } 2571 2572 splx(s); 2573} 2574 2575static devclass_t sbp_devclass; 2576 2577static device_method_t sbp_methods[] = { 2578 /* device interface */ 2579 DEVMETHOD(device_identify, sbp_identify), 2580 DEVMETHOD(device_probe, sbp_probe), 2581 DEVMETHOD(device_attach, sbp_attach), 2582 DEVMETHOD(device_detach, sbp_detach), 2583 DEVMETHOD(device_shutdown, sbp_shutdown), 2584 2585 { 0, 0 } 2586}; 2587 2588static driver_t sbp_driver = { 2589 "sbp", 2590 sbp_methods, 2591 sizeof(struct sbp_softc), 2592}; 2593DRIVER_MODULE(sbp, firewire, sbp_driver, sbp_devclass, 0, 0); 2594MODULE_VERSION(sbp, 1); 2595MODULE_DEPEND(sbp, firewire, 1, 1, 1); 2596MODULE_DEPEND(sbp, cam, 1, 1, 1); 2597