sbp.c revision 315813
1/*- 2 * Copyright (c) 2003 Hidetoshi Shimokawa 3 * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi 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: stable/10/sys/dev/firewire/sbp.c 315813 2017-03-23 06:41:13Z mav $ 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/kernel.h> 43#include <sys/sysctl.h> 44#include <machine/bus.h> 45#include <sys/malloc.h> 46#if defined(__FreeBSD__) && __FreeBSD_version >= 501102 47#include <sys/lock.h> 48#include <sys/mutex.h> 49#endif 50 51#if defined(__DragonFly__) || __FreeBSD_version < 500106 52#include <sys/devicestat.h> /* for struct devstat */ 53#endif 54 55#ifdef __DragonFly__ 56#include <bus/cam/cam.h> 57#include <bus/cam/cam_ccb.h> 58#include <bus/cam/cam_sim.h> 59#include <bus/cam/cam_xpt_sim.h> 60#include <bus/cam/cam_debug.h> 61#include <bus/cam/cam_periph.h> 62#include <bus/cam/scsi/scsi_all.h> 63 64#include <bus/firewire/firewire.h> 65#include <bus/firewire/firewirereg.h> 66#include <bus/firewire/fwdma.h> 67#include <bus/firewire/iec13213.h> 68#include "sbp.h" 69#else 70#include <cam/cam.h> 71#include <cam/cam_ccb.h> 72#include <cam/cam_sim.h> 73#include <cam/cam_xpt_sim.h> 74#include <cam/cam_debug.h> 75#include <cam/cam_periph.h> 76#include <cam/scsi/scsi_all.h> 77 78#include <dev/firewire/firewire.h> 79#include <dev/firewire/firewirereg.h> 80#include <dev/firewire/fwdma.h> 81#include <dev/firewire/iec13213.h> 82#include <dev/firewire/sbp.h> 83#endif 84 85#define ccb_sdev_ptr spriv_ptr0 86#define ccb_sbp_ptr spriv_ptr1 87 88#define SBP_NUM_TARGETS 8 /* MAX 64 */ 89/* 90 * Scan_bus doesn't work for more than 8 LUNs 91 * because of CAM_SCSI2_MAXLUN in cam_xpt.c 92 */ 93#define SBP_NUM_LUNS 64 94#define SBP_MAXPHYS MIN(MAXPHYS, (512*1024) /* 512KB */) 95#define SBP_DMA_SIZE PAGE_SIZE 96#define SBP_LOGIN_SIZE sizeof(struct sbp_login_res) 97#define SBP_QUEUE_LEN ((SBP_DMA_SIZE - SBP_LOGIN_SIZE) / sizeof(struct sbp_ocb)) 98#define SBP_NUM_OCB (SBP_QUEUE_LEN * SBP_NUM_TARGETS) 99 100/* 101 * STATUS FIFO addressing 102 * bit 103 * ----------------------- 104 * 0- 1( 2): 0 (alignment) 105 * 2- 7( 6): target 106 * 8-15( 8): lun 107 * 16-31( 8): reserved 108 * 32-47(16): SBP_BIND_HI 109 * 48-64(16): bus_id, node_id 110 */ 111#define SBP_BIND_HI 0x1 112#define SBP_DEV2ADDR(t, l) \ 113 (((u_int64_t)SBP_BIND_HI << 32) \ 114 | (((l) & 0xff) << 8) \ 115 | (((t) & 0x3f) << 2)) 116#define SBP_ADDR2TRG(a) (((a) >> 2) & 0x3f) 117#define SBP_ADDR2LUN(a) (((a) >> 8) & 0xff) 118#define SBP_INITIATOR 7 119 120static char *orb_fun_name[] = { 121 ORB_FUN_NAMES 122}; 123 124static int debug = 0; 125static int auto_login = 1; 126static int max_speed = -1; 127static int sbp_cold = 1; 128static int ex_login = 1; 129static int login_delay = 1000; /* msec */ 130static int scan_delay = 500; /* msec */ 131static int use_doorbell = 0; 132static int sbp_tags = 0; 133 134SYSCTL_DECL(_hw_firewire); 135static SYSCTL_NODE(_hw_firewire, OID_AUTO, sbp, CTLFLAG_RD, 0, 136 "SBP-II Subsystem"); 137SYSCTL_INT(_debug, OID_AUTO, sbp_debug, CTLFLAG_RW, &debug, 0, 138 "SBP debug flag"); 139SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, auto_login, CTLFLAG_RW, &auto_login, 0, 140 "SBP perform login automatically"); 141SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, max_speed, CTLFLAG_RW, &max_speed, 0, 142 "SBP transfer max speed"); 143SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, exclusive_login, CTLFLAG_RW, 144 &ex_login, 0, "SBP enable exclusive login"); 145SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, login_delay, CTLFLAG_RW, 146 &login_delay, 0, "SBP login delay in msec"); 147SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, scan_delay, CTLFLAG_RW, 148 &scan_delay, 0, "SBP scan delay in msec"); 149SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, use_doorbell, CTLFLAG_RW, 150 &use_doorbell, 0, "SBP use doorbell request"); 151SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, tags, CTLFLAG_RW, &sbp_tags, 0, 152 "SBP tagged queuing support"); 153 154TUNABLE_INT("hw.firewire.sbp.auto_login", &auto_login); 155TUNABLE_INT("hw.firewire.sbp.max_speed", &max_speed); 156TUNABLE_INT("hw.firewire.sbp.exclusive_login", &ex_login); 157TUNABLE_INT("hw.firewire.sbp.login_delay", &login_delay); 158TUNABLE_INT("hw.firewire.sbp.scan_delay", &scan_delay); 159TUNABLE_INT("hw.firewire.sbp.use_doorbell", &use_doorbell); 160TUNABLE_INT("hw.firewire.sbp.tags", &sbp_tags); 161 162#define NEED_RESPONSE 0 163 164#define SBP_SEG_MAX rounddown(0xffff, PAGE_SIZE) 165#ifdef __sparc64__ /* iommu */ 166#define SBP_IND_MAX howmany(SBP_MAXPHYS, SBP_SEG_MAX) 167#else 168#define SBP_IND_MAX howmany(SBP_MAXPHYS, PAGE_SIZE) 169#endif 170struct sbp_ocb { 171 STAILQ_ENTRY(sbp_ocb) ocb; 172 union ccb *ccb; 173 bus_addr_t bus_addr; 174 uint32_t orb[8]; 175#define IND_PTR_OFFSET (8*sizeof(uint32_t)) 176 struct ind_ptr ind_ptr[SBP_IND_MAX]; 177 struct sbp_dev *sdev; 178 int flags; /* XXX should be removed */ 179 bus_dmamap_t dmamap; 180 struct callout timer; 181}; 182 183#define OCB_ACT_MGM 0 184#define OCB_ACT_CMD 1 185#define OCB_MATCH(o,s) ((o)->bus_addr == ntohl((s)->orb_lo)) 186 187struct sbp_dev{ 188#define SBP_DEV_RESET 0 /* accept login */ 189#define SBP_DEV_LOGIN 1 /* to login */ 190#if 0 191#define SBP_DEV_RECONN 2 /* to reconnect */ 192#endif 193#define SBP_DEV_TOATTACH 3 /* to attach */ 194#define SBP_DEV_PROBE 4 /* scan lun */ 195#define SBP_DEV_ATTACHED 5 /* in operation */ 196#define SBP_DEV_DEAD 6 /* unavailable unit */ 197#define SBP_DEV_RETRY 7 /* unavailable unit */ 198 uint8_t status:4, 199 timeout:4; 200 uint8_t type; 201 uint16_t lun_id; 202 uint16_t freeze; 203#define ORB_LINK_DEAD (1 << 0) 204#define VALID_LUN (1 << 1) 205#define ORB_POINTER_ACTIVE (1 << 2) 206#define ORB_POINTER_NEED (1 << 3) 207#define ORB_DOORBELL_ACTIVE (1 << 4) 208#define ORB_DOORBELL_NEED (1 << 5) 209#define ORB_SHORTAGE (1 << 6) 210 uint16_t flags; 211 struct cam_path *path; 212 struct sbp_target *target; 213 struct fwdma_alloc dma; 214 struct sbp_login_res *login; 215 struct callout login_callout; 216 struct sbp_ocb *ocb; 217 STAILQ_HEAD(, sbp_ocb) ocbs; 218 STAILQ_HEAD(, sbp_ocb) free_ocbs; 219 struct sbp_ocb *last_ocb; 220 char vendor[32]; 221 char product[32]; 222 char revision[10]; 223 char bustgtlun[32]; 224}; 225 226struct sbp_target { 227 int target_id; 228 int num_lun; 229 struct sbp_dev **luns; 230 struct sbp_softc *sbp; 231 struct fw_device *fwdev; 232 uint32_t mgm_hi, mgm_lo; 233 struct sbp_ocb *mgm_ocb_cur; 234 STAILQ_HEAD(, sbp_ocb) mgm_ocb_queue; 235 struct callout mgm_ocb_timeout; 236 struct callout scan_callout; 237 STAILQ_HEAD(, fw_xfer) xferlist; 238 int n_xfer; 239}; 240 241struct sbp_softc { 242 struct firewire_dev_comm fd; 243 struct cam_sim *sim; 244 struct cam_path *path; 245 struct sbp_target targets[SBP_NUM_TARGETS]; 246 struct fw_bind fwb; 247 bus_dma_tag_t dmat; 248 struct timeval last_busreset; 249#define SIMQ_FREEZED 1 250 int flags; 251 struct mtx mtx; 252}; 253#define SBP_LOCK(sbp) mtx_lock(&(sbp)->mtx) 254#define SBP_UNLOCK(sbp) mtx_unlock(&(sbp)->mtx) 255#define SBP_LOCK_ASSERT(sbp) mtx_assert(&(sbp)->mtx, MA_OWNED) 256 257static void sbp_post_explore (void *); 258static void sbp_recv (struct fw_xfer *); 259static void sbp_mgm_callback (struct fw_xfer *); 260#if 0 261static void sbp_cmd_callback (struct fw_xfer *); 262#endif 263static void sbp_orb_pointer (struct sbp_dev *, struct sbp_ocb *); 264static void sbp_doorbell(struct sbp_dev *); 265static void sbp_execute_ocb (void *, bus_dma_segment_t *, int, int); 266static void sbp_free_ocb (struct sbp_dev *, struct sbp_ocb *); 267static void sbp_abort_ocb (struct sbp_ocb *, int); 268static void sbp_abort_all_ocbs (struct sbp_dev *, int); 269static struct fw_xfer * sbp_write_cmd (struct sbp_dev *, int, int); 270static struct sbp_ocb * sbp_get_ocb (struct sbp_dev *); 271static struct sbp_ocb * sbp_enqueue_ocb (struct sbp_dev *, struct sbp_ocb *); 272static struct sbp_ocb * sbp_dequeue_ocb (struct sbp_dev *, struct sbp_status *); 273static void sbp_cam_detach_sdev(struct sbp_dev *); 274static void sbp_free_sdev(struct sbp_dev *); 275static void sbp_cam_detach_target (struct sbp_target *); 276static void sbp_free_target (struct sbp_target *); 277static void sbp_mgm_timeout (void *arg); 278static void sbp_timeout (void *arg); 279static void sbp_mgm_orb (struct sbp_dev *, int, struct sbp_ocb *); 280 281static MALLOC_DEFINE(M_SBP, "sbp", "SBP-II/FireWire"); 282 283/* cam related functions */ 284static void sbp_action(struct cam_sim *sim, union ccb *ccb); 285static void sbp_poll(struct cam_sim *sim); 286static void sbp_cam_scan_lun(struct cam_periph *, union ccb *); 287static void sbp_cam_scan_target(void *arg); 288 289static char *orb_status0[] = { 290 /* 0 */ "No additional information to report", 291 /* 1 */ "Request type not supported", 292 /* 2 */ "Speed not supported", 293 /* 3 */ "Page size not supported", 294 /* 4 */ "Access denied", 295 /* 5 */ "Logical unit not supported", 296 /* 6 */ "Maximum payload too small", 297 /* 7 */ "Reserved for future standardization", 298 /* 8 */ "Resources unavailable", 299 /* 9 */ "Function rejected", 300 /* A */ "Login ID not recognized", 301 /* B */ "Dummy ORB completed", 302 /* C */ "Request aborted", 303 /* FF */ "Unspecified error" 304#define MAX_ORB_STATUS0 0xd 305}; 306 307static char *orb_status1_object[] = { 308 /* 0 */ "Operation request block (ORB)", 309 /* 1 */ "Data buffer", 310 /* 2 */ "Page table", 311 /* 3 */ "Unable to specify" 312}; 313 314static char *orb_status1_serial_bus_error[] = { 315 /* 0 */ "Missing acknowledge", 316 /* 1 */ "Reserved; not to be used", 317 /* 2 */ "Time-out error", 318 /* 3 */ "Reserved; not to be used", 319 /* 4 */ "Busy retry limit exceeded(X)", 320 /* 5 */ "Busy retry limit exceeded(A)", 321 /* 6 */ "Busy retry limit exceeded(B)", 322 /* 7 */ "Reserved for future standardization", 323 /* 8 */ "Reserved for future standardization", 324 /* 9 */ "Reserved for future standardization", 325 /* A */ "Reserved for future standardization", 326 /* B */ "Tardy retry limit exceeded", 327 /* C */ "Conflict error", 328 /* D */ "Data error", 329 /* E */ "Type error", 330 /* F */ "Address error" 331}; 332 333static void 334sbp_identify(driver_t *driver, device_t parent) 335{ 336SBP_DEBUG(0) 337 printf("sbp_identify\n"); 338END_DEBUG 339 340 if (device_find_child(parent, "sbp", -1) == NULL) 341 BUS_ADD_CHILD(parent, 0, "sbp", -1); 342} 343 344/* 345 * sbp_probe() 346 */ 347static int 348sbp_probe(device_t dev) 349{ 350 351SBP_DEBUG(0) 352 printf("sbp_probe\n"); 353END_DEBUG 354 355 device_set_desc(dev, "SBP-2/SCSI over FireWire"); 356 357#if 0 358 if (bootverbose) 359 debug = bootverbose; 360#endif 361 362 return (0); 363} 364 365/* 366 * Display device characteristics on the console 367 */ 368static void 369sbp_show_sdev_info(struct sbp_dev *sdev) 370{ 371 struct fw_device *fwdev; 372 373 fwdev = sdev->target->fwdev; 374 device_printf(sdev->target->sbp->fd.dev, 375 "%s: %s: ordered:%d type:%d EUI:%08x%08x node:%d " 376 "speed:%d maxrec:%d\n", 377 __func__, 378 sdev->bustgtlun, 379 (sdev->type & 0x40) >> 6, 380 (sdev->type & 0x1f), 381 fwdev->eui.hi, 382 fwdev->eui.lo, 383 fwdev->dst, 384 fwdev->speed, 385 fwdev->maxrec); 386 387 device_printf(sdev->target->sbp->fd.dev, 388 "%s: %s '%s' '%s' '%s'\n", 389 __func__, 390 sdev->bustgtlun, 391 sdev->vendor, 392 sdev->product, 393 sdev->revision); 394} 395 396static struct { 397 int bus; 398 int target; 399 struct fw_eui64 eui; 400} wired[] = { 401 /* Bus Target EUI64 */ 402#if 0 403 {0, 2, {0x00018ea0, 0x01fd0154}}, /* Logitec HDD */ 404 {0, 0, {0x00018ea6, 0x00100682}}, /* Logitec DVD */ 405 {0, 1, {0x00d03200, 0xa412006a}}, /* Yano HDD */ 406#endif 407 {-1, -1, {0,0}} 408}; 409 410static int 411sbp_new_target(struct sbp_softc *sbp, struct fw_device *fwdev) 412{ 413 int bus, i, target=-1; 414 char w[SBP_NUM_TARGETS]; 415 416 bzero(w, sizeof(w)); 417 bus = device_get_unit(sbp->fd.dev); 418 419 /* XXX wired-down configuration should be gotten from 420 tunable or device hint */ 421 for (i = 0; wired[i].bus >= 0; i ++) { 422 if (wired[i].bus == bus) { 423 w[wired[i].target] = 1; 424 if (wired[i].eui.hi == fwdev->eui.hi && 425 wired[i].eui.lo == fwdev->eui.lo) 426 target = wired[i].target; 427 } 428 } 429 if (target >= 0) { 430 if(target < SBP_NUM_TARGETS && 431 sbp->targets[target].fwdev == NULL) 432 return(target); 433 device_printf(sbp->fd.dev, 434 "target %d is not free for %08x:%08x\n", 435 target, fwdev->eui.hi, fwdev->eui.lo); 436 target = -1; 437 } 438 /* non-wired target */ 439 for (i = 0; i < SBP_NUM_TARGETS; i ++) 440 if (sbp->targets[i].fwdev == NULL && w[i] == 0) { 441 target = i; 442 break; 443 } 444 445 return target; 446} 447 448static void 449sbp_alloc_lun(struct sbp_target *target) 450{ 451 struct crom_context cc; 452 struct csrreg *reg; 453 struct sbp_dev *sdev, **newluns; 454 struct sbp_softc *sbp; 455 int maxlun, lun, i; 456 457 sbp = target->sbp; 458 SBP_LOCK_ASSERT(sbp); 459 crom_init_context(&cc, target->fwdev->csrrom); 460 /* XXX shoud parse appropriate unit directories only */ 461 maxlun = -1; 462 while (cc.depth >= 0) { 463 reg = crom_search_key(&cc, CROM_LUN); 464 if (reg == NULL) 465 break; 466 lun = reg->val & 0xffff; 467SBP_DEBUG(0) 468 printf("target %d lun %d found\n", target->target_id, lun); 469END_DEBUG 470 if (maxlun < lun) 471 maxlun = lun; 472 crom_next(&cc); 473 } 474 if (maxlun < 0) 475 device_printf(target->sbp->fd.dev, "%d no LUN found\n", 476 target->target_id); 477 478 maxlun ++; 479 if (maxlun >= SBP_NUM_LUNS) 480 maxlun = SBP_NUM_LUNS; 481 482 /* Invalidiate stale devices */ 483 for (lun = 0; lun < target->num_lun; lun ++) { 484 sdev = target->luns[lun]; 485 if (sdev == NULL) 486 continue; 487 sdev->flags &= ~VALID_LUN; 488 if (lun >= maxlun) { 489 /* lost device */ 490 sbp_cam_detach_sdev(sdev); 491 sbp_free_sdev(sdev); 492 target->luns[lun] = NULL; 493 } 494 } 495 496 /* Reallocate */ 497 if (maxlun != target->num_lun) { 498 newluns = (struct sbp_dev **) realloc(target->luns, 499 sizeof(struct sbp_dev *) * maxlun, 500 M_SBP, M_NOWAIT | M_ZERO); 501 502 if (newluns == NULL) { 503 printf("%s: realloc failed\n", __func__); 504 newluns = target->luns; 505 maxlun = target->num_lun; 506 } 507 508 /* 509 * We must zero the extended region for the case 510 * realloc() doesn't allocate new buffer. 511 */ 512 if (maxlun > target->num_lun) 513 bzero(&newluns[target->num_lun], 514 sizeof(struct sbp_dev *) * 515 (maxlun - target->num_lun)); 516 517 target->luns = newluns; 518 target->num_lun = maxlun; 519 } 520 521 crom_init_context(&cc, target->fwdev->csrrom); 522 while (cc.depth >= 0) { 523 int new = 0; 524 525 reg = crom_search_key(&cc, CROM_LUN); 526 if (reg == NULL) 527 break; 528 lun = reg->val & 0xffff; 529 if (lun >= SBP_NUM_LUNS) { 530 printf("too large lun %d\n", lun); 531 goto next; 532 } 533 534 sdev = target->luns[lun]; 535 if (sdev == NULL) { 536 sdev = malloc(sizeof(struct sbp_dev), 537 M_SBP, M_NOWAIT | M_ZERO); 538 if (sdev == NULL) { 539 printf("%s: malloc failed\n", __func__); 540 goto next; 541 } 542 target->luns[lun] = sdev; 543 sdev->lun_id = lun; 544 sdev->target = target; 545 STAILQ_INIT(&sdev->ocbs); 546 callout_init_mtx(&sdev->login_callout, &sbp->mtx, 0); 547 sdev->status = SBP_DEV_RESET; 548 new = 1; 549 snprintf(sdev->bustgtlun, 32, "%s:%d:%d", 550 device_get_nameunit(sdev->target->sbp->fd.dev), 551 sdev->target->target_id, 552 sdev->lun_id); 553 } 554 sdev->flags |= VALID_LUN; 555 sdev->type = (reg->val & 0xff0000) >> 16; 556 557 if (new == 0) 558 goto next; 559 560 fwdma_malloc(sbp->fd.fc, 561 /* alignment */ sizeof(uint32_t), 562 SBP_DMA_SIZE, &sdev->dma, BUS_DMA_NOWAIT | 563 BUS_DMA_COHERENT); 564 if (sdev->dma.v_addr == NULL) { 565 printf("%s: dma space allocation failed\n", 566 __func__); 567 free(sdev, M_SBP); 568 target->luns[lun] = NULL; 569 goto next; 570 } 571 sdev->login = (struct sbp_login_res *) sdev->dma.v_addr; 572 sdev->ocb = (struct sbp_ocb *) 573 ((char *)sdev->dma.v_addr + SBP_LOGIN_SIZE); 574 bzero((char *)sdev->ocb, 575 sizeof (struct sbp_ocb) * SBP_QUEUE_LEN); 576 577 STAILQ_INIT(&sdev->free_ocbs); 578 for (i = 0; i < SBP_QUEUE_LEN; i++) { 579 struct sbp_ocb *ocb; 580 ocb = &sdev->ocb[i]; 581 ocb->bus_addr = sdev->dma.bus_addr 582 + SBP_LOGIN_SIZE 583 + sizeof(struct sbp_ocb) * i 584 + offsetof(struct sbp_ocb, orb[0]); 585 if (bus_dmamap_create(sbp->dmat, 0, &ocb->dmamap)) { 586 printf("sbp_attach: cannot create dmamap\n"); 587 /* XXX */ 588 goto next; 589 } 590 callout_init_mtx(&ocb->timer, &sbp->mtx, 0); 591 sbp_free_ocb(sdev, ocb); 592 } 593next: 594 crom_next(&cc); 595 } 596 597 for (lun = 0; lun < target->num_lun; lun ++) { 598 sdev = target->luns[lun]; 599 if (sdev != NULL && (sdev->flags & VALID_LUN) == 0) { 600 sbp_cam_detach_sdev(sdev); 601 sbp_free_sdev(sdev); 602 target->luns[lun] = NULL; 603 } 604 } 605} 606 607static struct sbp_target * 608sbp_alloc_target(struct sbp_softc *sbp, struct fw_device *fwdev) 609{ 610 int i; 611 struct sbp_target *target; 612 struct crom_context cc; 613 struct csrreg *reg; 614 615SBP_DEBUG(1) 616 printf("sbp_alloc_target\n"); 617END_DEBUG 618 i = sbp_new_target(sbp, fwdev); 619 if (i < 0) { 620 device_printf(sbp->fd.dev, "increase SBP_NUM_TARGETS!\n"); 621 return NULL; 622 } 623 /* new target */ 624 target = &sbp->targets[i]; 625 target->sbp = sbp; 626 target->fwdev = fwdev; 627 target->target_id = i; 628 /* XXX we may want to reload mgm port after each bus reset */ 629 /* XXX there might be multiple management agents */ 630 crom_init_context(&cc, target->fwdev->csrrom); 631 reg = crom_search_key(&cc, CROM_MGM); 632 if (reg == NULL || reg->val == 0) { 633 printf("NULL management address\n"); 634 target->fwdev = NULL; 635 return NULL; 636 } 637 target->mgm_hi = 0xffff; 638 target->mgm_lo = 0xf0000000 | (reg->val << 2); 639 target->mgm_ocb_cur = NULL; 640SBP_DEBUG(1) 641 printf("target:%d mgm_port: %x\n", i, target->mgm_lo); 642END_DEBUG 643 STAILQ_INIT(&target->xferlist); 644 target->n_xfer = 0; 645 STAILQ_INIT(&target->mgm_ocb_queue); 646 callout_init_mtx(&target->mgm_ocb_timeout, &sbp->mtx, 0); 647 callout_init_mtx(&target->scan_callout, &sbp->mtx, 0); 648 649 target->luns = NULL; 650 target->num_lun = 0; 651 return target; 652} 653 654static void 655sbp_probe_lun(struct sbp_dev *sdev) 656{ 657 struct fw_device *fwdev; 658 struct crom_context c, *cc = &c; 659 struct csrreg *reg; 660 661 bzero(sdev->vendor, sizeof(sdev->vendor)); 662 bzero(sdev->product, sizeof(sdev->product)); 663 664 fwdev = sdev->target->fwdev; 665 crom_init_context(cc, fwdev->csrrom); 666 /* get vendor string */ 667 crom_search_key(cc, CSRKEY_VENDOR); 668 crom_next(cc); 669 crom_parse_text(cc, sdev->vendor, sizeof(sdev->vendor)); 670 /* skip to the unit directory for SBP-2 */ 671 while ((reg = crom_search_key(cc, CSRKEY_VER)) != NULL) { 672 if (reg->val == CSRVAL_T10SBP2) 673 break; 674 crom_next(cc); 675 } 676 /* get firmware revision */ 677 reg = crom_search_key(cc, CSRKEY_FIRM_VER); 678 if (reg != NULL) 679 snprintf(sdev->revision, sizeof(sdev->revision), 680 "%06x", reg->val); 681 /* get product string */ 682 crom_search_key(cc, CSRKEY_MODEL); 683 crom_next(cc); 684 crom_parse_text(cc, sdev->product, sizeof(sdev->product)); 685} 686 687static void 688sbp_login_callout(void *arg) 689{ 690 struct sbp_dev *sdev = (struct sbp_dev *)arg; 691 SBP_LOCK_ASSERT(sdev->target->sbp); 692 sbp_mgm_orb(sdev, ORB_FUN_LGI, NULL); 693} 694 695static void 696sbp_login(struct sbp_dev *sdev) 697{ 698 struct timeval delta; 699 struct timeval t; 700 int ticks = 0; 701 702 microtime(&delta); 703 timevalsub(&delta, &sdev->target->sbp->last_busreset); 704 t.tv_sec = login_delay / 1000; 705 t.tv_usec = (login_delay % 1000) * 1000; 706 timevalsub(&t, &delta); 707 if (t.tv_sec >= 0 && t.tv_usec > 0) 708 ticks = (t.tv_sec * 1000 + t.tv_usec / 1000) * hz / 1000; 709SBP_DEBUG(0) 710 printf("%s: sec = %jd usec = %ld ticks = %d\n", __func__, 711 (intmax_t)t.tv_sec, t.tv_usec, ticks); 712END_DEBUG 713 callout_reset(&sdev->login_callout, ticks, 714 sbp_login_callout, (void *)(sdev)); 715} 716 717#define SBP_FWDEV_ALIVE(fwdev) (((fwdev)->status == FWDEVATTACHED) \ 718 && crom_has_specver((fwdev)->csrrom, CSRVAL_ANSIT10, CSRVAL_T10SBP2)) 719 720static void 721sbp_probe_target(void *arg) 722{ 723 struct sbp_target *target = (struct sbp_target *)arg; 724 struct sbp_softc *sbp = target->sbp; 725 struct sbp_dev *sdev; 726 int i, alive; 727 728 alive = SBP_FWDEV_ALIVE(target->fwdev); 729SBP_DEBUG(1) 730 device_printf(sbp->fd.dev, "%s %d%salive\n", 731 __func__, target->target_id, 732 (!alive) ? " not " : ""); 733END_DEBUG 734 735 sbp = target->sbp; 736 SBP_LOCK_ASSERT(sbp); 737 sbp_alloc_lun(target); 738 739 /* XXX untimeout mgm_ocb and dequeue */ 740 for (i=0; i < target->num_lun; i++) { 741 sdev = target->luns[i]; 742 if (sdev == NULL) 743 continue; 744 if (alive && (sdev->status != SBP_DEV_DEAD)) { 745 if (sdev->path != NULL) { 746 xpt_freeze_devq(sdev->path, 1); 747 sdev->freeze ++; 748 } 749 sbp_probe_lun(sdev); 750 sbp_show_sdev_info(sdev); 751 752 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET); 753 switch (sdev->status) { 754 case SBP_DEV_RESET: 755 /* new or revived target */ 756 if (auto_login) 757 sbp_login(sdev); 758 break; 759 case SBP_DEV_TOATTACH: 760 case SBP_DEV_PROBE: 761 case SBP_DEV_ATTACHED: 762 case SBP_DEV_RETRY: 763 default: 764 sbp_mgm_orb(sdev, ORB_FUN_RCN, NULL); 765 break; 766 } 767 } else { 768 switch (sdev->status) { 769 case SBP_DEV_ATTACHED: 770SBP_DEBUG(0) 771 /* the device has gone */ 772 device_printf(sbp->fd.dev, "%s: lost target\n", 773 __func__); 774END_DEBUG 775 if (sdev->path) { 776 xpt_freeze_devq(sdev->path, 1); 777 sdev->freeze ++; 778 } 779 sdev->status = SBP_DEV_RETRY; 780 sbp_cam_detach_sdev(sdev); 781 sbp_free_sdev(sdev); 782 target->luns[i] = NULL; 783 break; 784 case SBP_DEV_PROBE: 785 case SBP_DEV_TOATTACH: 786 sdev->status = SBP_DEV_RESET; 787 break; 788 case SBP_DEV_RETRY: 789 case SBP_DEV_RESET: 790 case SBP_DEV_DEAD: 791 break; 792 } 793 } 794 } 795} 796 797static void 798sbp_post_busreset(void *arg) 799{ 800 struct sbp_softc *sbp; 801 802 sbp = (struct sbp_softc *)arg; 803SBP_DEBUG(0) 804 printf("sbp_post_busreset\n"); 805END_DEBUG 806 SBP_LOCK(sbp); 807 if ((sbp->sim->flags & SIMQ_FREEZED) == 0) { 808 xpt_freeze_simq(sbp->sim, /*count*/1); 809 sbp->sim->flags |= SIMQ_FREEZED; 810 } 811 microtime(&sbp->last_busreset); 812 SBP_UNLOCK(sbp); 813} 814 815static void 816sbp_post_explore(void *arg) 817{ 818 struct sbp_softc *sbp = (struct sbp_softc *)arg; 819 struct sbp_target *target; 820 struct fw_device *fwdev; 821 int i, alive; 822 823SBP_DEBUG(0) 824 printf("sbp_post_explore (sbp_cold=%d)\n", sbp_cold); 825END_DEBUG 826 /* We need physical access */ 827 if (!firewire_phydma_enable) 828 return; 829 830 if (sbp_cold > 0) 831 sbp_cold --; 832 833 SBP_LOCK(sbp); 834#if 0 835 /* 836 * XXX don't let CAM the bus rest. 837 * CAM tries to do something with freezed (DEV_RETRY) devices. 838 */ 839 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL); 840#endif 841 842 /* Garbage Collection */ 843 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){ 844 target = &sbp->targets[i]; 845 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) 846 if (target->fwdev == NULL || target->fwdev == fwdev) 847 break; 848 if (fwdev == NULL) { 849 /* device has removed in lower driver */ 850 sbp_cam_detach_target(target); 851 sbp_free_target(target); 852 } 853 } 854 /* traverse device list */ 855 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) { 856SBP_DEBUG(0) 857 device_printf(sbp->fd.dev,"%s:: EUI:%08x%08x %s attached, state=%d\n", 858 __func__, fwdev->eui.hi, fwdev->eui.lo, 859 (fwdev->status != FWDEVATTACHED) ? "not" : "", 860 fwdev->status); 861END_DEBUG 862 alive = SBP_FWDEV_ALIVE(fwdev); 863 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){ 864 target = &sbp->targets[i]; 865 if(target->fwdev == fwdev ) { 866 /* known target */ 867 break; 868 } 869 } 870 if(i == SBP_NUM_TARGETS){ 871 if (alive) { 872 /* new target */ 873 target = sbp_alloc_target(sbp, fwdev); 874 if (target == NULL) 875 continue; 876 } else { 877 continue; 878 } 879 } 880 sbp_probe_target((void *)target); 881 if (target->num_lun == 0) 882 sbp_free_target(target); 883 } 884 xpt_release_simq(sbp->sim, /*run queue*/TRUE); 885 sbp->sim->flags &= ~SIMQ_FREEZED; 886 SBP_UNLOCK(sbp); 887} 888 889#if NEED_RESPONSE 890static void 891sbp_loginres_callback(struct fw_xfer *xfer){ 892 struct sbp_dev *sdev; 893 sdev = (struct sbp_dev *)xfer->sc; 894SBP_DEBUG(1) 895 device_printf(sdev->target->sbp->fd.dev,"%s\n", __func__); 896END_DEBUG 897 /* recycle */ 898 SBP_LOCK(sdev->target->sbp); 899 STAILQ_INSERT_TAIL(&sdev->target->sbp->fwb.xferlist, xfer, link); 900 SBP_UNLOCK(sdev->target->sbp); 901 return; 902} 903#endif 904 905static __inline void 906sbp_xfer_free(struct fw_xfer *xfer) 907{ 908 struct sbp_dev *sdev; 909 910 sdev = (struct sbp_dev *)xfer->sc; 911 fw_xfer_unload(xfer); 912 SBP_LOCK_ASSERT(sdev->target->sbp); 913 STAILQ_INSERT_TAIL(&sdev->target->xferlist, xfer, link); 914} 915 916static void 917sbp_reset_start_callback(struct fw_xfer *xfer) 918{ 919 struct sbp_dev *tsdev, *sdev = (struct sbp_dev *)xfer->sc; 920 struct sbp_target *target = sdev->target; 921 int i; 922 923 if (xfer->resp != 0) { 924 device_printf(sdev->target->sbp->fd.dev, 925 "%s: %s failed: resp=%d\n", __func__, sdev->bustgtlun, xfer->resp); 926 } 927 928 SBP_LOCK(target->sbp); 929 for (i = 0; i < target->num_lun; i++) { 930 tsdev = target->luns[i]; 931 if (tsdev != NULL && tsdev->status == SBP_DEV_LOGIN) 932 sbp_login(tsdev); 933 } 934 SBP_UNLOCK(target->sbp); 935} 936 937static void 938sbp_reset_start(struct sbp_dev *sdev) 939{ 940 struct fw_xfer *xfer; 941 struct fw_pkt *fp; 942 943SBP_DEBUG(0) 944 device_printf(sdev->target->sbp->fd.dev, 945 "%s:%s\n", __func__,sdev->bustgtlun); 946END_DEBUG 947 948 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 949 xfer->hand = sbp_reset_start_callback; 950 fp = &xfer->send.hdr; 951 fp->mode.wreqq.dest_hi = 0xffff; 952 fp->mode.wreqq.dest_lo = 0xf0000000 | RESET_START; 953 fp->mode.wreqq.data = htonl(0xf); 954 fw_asyreq(xfer->fc, -1, xfer); 955} 956 957static void 958sbp_mgm_callback(struct fw_xfer *xfer) 959{ 960 struct sbp_dev *sdev; 961 int resp; 962 963 sdev = (struct sbp_dev *)xfer->sc; 964 965SBP_DEBUG(1) 966 device_printf(sdev->target->sbp->fd.dev, 967 "%s:%s\n", __func__, sdev->bustgtlun); 968END_DEBUG 969 resp = xfer->resp; 970 SBP_LOCK(sdev->target->sbp); 971 sbp_xfer_free(xfer); 972 SBP_UNLOCK(sdev->target->sbp); 973} 974 975static struct sbp_dev * 976sbp_next_dev(struct sbp_target *target, int lun) 977{ 978 struct sbp_dev **sdevp; 979 int i; 980 981 for (i = lun, sdevp = &target->luns[lun]; i < target->num_lun; 982 i++, sdevp++) 983 if (*sdevp != NULL && (*sdevp)->status == SBP_DEV_PROBE) 984 return(*sdevp); 985 return(NULL); 986} 987 988#define SCAN_PRI 1 989static void 990sbp_cam_scan_lun(struct cam_periph *periph, union ccb *ccb) 991{ 992 struct sbp_target *target; 993 struct sbp_dev *sdev; 994 995 sdev = (struct sbp_dev *) ccb->ccb_h.ccb_sdev_ptr; 996 target = sdev->target; 997 SBP_LOCK_ASSERT(target->sbp); 998SBP_DEBUG(0) 999 device_printf(sdev->target->sbp->fd.dev, 1000 "%s:%s\n", __func__, sdev->bustgtlun); 1001END_DEBUG 1002 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1003 sdev->status = SBP_DEV_ATTACHED; 1004 } else { 1005 device_printf(sdev->target->sbp->fd.dev, 1006 "%s:%s failed\n", __func__, sdev->bustgtlun); 1007 } 1008 sdev = sbp_next_dev(target, sdev->lun_id + 1); 1009 if (sdev == NULL) { 1010 free(ccb, M_SBP); 1011 return; 1012 } 1013 /* reuse ccb */ 1014 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI); 1015 ccb->ccb_h.ccb_sdev_ptr = sdev; 1016 xpt_action(ccb); 1017 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 1018 sdev->freeze = 1; 1019} 1020 1021static void 1022sbp_cam_scan_target(void *arg) 1023{ 1024 struct sbp_target *target = (struct sbp_target *)arg; 1025 struct sbp_dev *sdev; 1026 union ccb *ccb; 1027 1028 SBP_LOCK_ASSERT(target->sbp); 1029 sdev = sbp_next_dev(target, 0); 1030 if (sdev == NULL) { 1031 printf("sbp_cam_scan_target: nothing to do for target%d\n", 1032 target->target_id); 1033 return; 1034 } 1035SBP_DEBUG(0) 1036 device_printf(sdev->target->sbp->fd.dev, 1037 "%s:%s\n", __func__, sdev->bustgtlun); 1038END_DEBUG 1039 ccb = malloc(sizeof(union ccb), M_SBP, M_NOWAIT | M_ZERO); 1040 if (ccb == NULL) { 1041 printf("sbp_cam_scan_target: malloc failed\n"); 1042 return; 1043 } 1044 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI); 1045 ccb->ccb_h.func_code = XPT_SCAN_LUN; 1046 ccb->ccb_h.cbfcnp = sbp_cam_scan_lun; 1047 ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 1048 ccb->crcn.flags = CAM_FLAG_NONE; 1049 ccb->ccb_h.ccb_sdev_ptr = sdev; 1050 1051 /* The scan is in progress now. */ 1052 xpt_action(ccb); 1053 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 1054 sdev->freeze = 1; 1055} 1056 1057static __inline void 1058sbp_scan_dev(struct sbp_dev *sdev) 1059{ 1060 sdev->status = SBP_DEV_PROBE; 1061 callout_reset_sbt(&sdev->target->scan_callout, SBT_1MS * scan_delay, 0, 1062 sbp_cam_scan_target, (void *)sdev->target, 0); 1063} 1064 1065static void 1066sbp_do_attach(struct fw_xfer *xfer) 1067{ 1068 struct sbp_dev *sdev; 1069 struct sbp_target *target; 1070 struct sbp_softc *sbp; 1071 1072 sdev = (struct sbp_dev *)xfer->sc; 1073 target = sdev->target; 1074 sbp = target->sbp; 1075 SBP_LOCK(sbp); 1076SBP_DEBUG(0) 1077 device_printf(sdev->target->sbp->fd.dev, 1078 "%s:%s\n", __func__, sdev->bustgtlun); 1079END_DEBUG 1080 sbp_xfer_free(xfer); 1081 1082 if (sdev->path == NULL) 1083 xpt_create_path(&sdev->path, NULL, 1084 cam_sim_path(target->sbp->sim), 1085 target->target_id, sdev->lun_id); 1086 1087 /* 1088 * Let CAM scan the bus if we are in the boot process. 1089 * XXX xpt_scan_bus cannot detect LUN larger than 0 1090 * if LUN 0 doesn't exist. 1091 */ 1092 if (sbp_cold > 0) { 1093 sdev->status = SBP_DEV_ATTACHED; 1094 SBP_UNLOCK(sbp); 1095 return; 1096 } 1097 1098 sbp_scan_dev(sdev); 1099 SBP_UNLOCK(sbp); 1100} 1101 1102static void 1103sbp_agent_reset_callback(struct fw_xfer *xfer) 1104{ 1105 struct sbp_dev *sdev; 1106 1107 sdev = (struct sbp_dev *)xfer->sc; 1108SBP_DEBUG(1) 1109 device_printf(sdev->target->sbp->fd.dev, 1110 "%s:%s\n", __func__, sdev->bustgtlun); 1111END_DEBUG 1112 if (xfer->resp != 0) { 1113 device_printf(sdev->target->sbp->fd.dev, 1114 "%s:%s resp=%d\n", __func__, sdev->bustgtlun, xfer->resp); 1115 } 1116 1117 SBP_LOCK(sdev->target->sbp); 1118 sbp_xfer_free(xfer); 1119 if (sdev->path) { 1120 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 1121 sdev->freeze = 0; 1122 } 1123 SBP_UNLOCK(sdev->target->sbp); 1124} 1125 1126static void 1127sbp_agent_reset(struct sbp_dev *sdev) 1128{ 1129 struct fw_xfer *xfer; 1130 struct fw_pkt *fp; 1131 1132 SBP_LOCK_ASSERT(sdev->target->sbp); 1133SBP_DEBUG(0) 1134 device_printf(sdev->target->sbp->fd.dev, 1135 "%s:%s\n", __func__, sdev->bustgtlun); 1136END_DEBUG 1137 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x04); 1138 if (xfer == NULL) 1139 return; 1140 if (sdev->status == SBP_DEV_ATTACHED || sdev->status == SBP_DEV_PROBE) 1141 xfer->hand = sbp_agent_reset_callback; 1142 else 1143 xfer->hand = sbp_do_attach; 1144 fp = &xfer->send.hdr; 1145 fp->mode.wreqq.data = htonl(0xf); 1146 fw_asyreq(xfer->fc, -1, xfer); 1147 sbp_abort_all_ocbs(sdev, CAM_BDR_SENT); 1148} 1149 1150static void 1151sbp_busy_timeout_callback(struct fw_xfer *xfer) 1152{ 1153 struct sbp_dev *sdev; 1154 1155 sdev = (struct sbp_dev *)xfer->sc; 1156SBP_DEBUG(1) 1157 device_printf(sdev->target->sbp->fd.dev, 1158 "%s:%s\n", __func__, sdev->bustgtlun); 1159END_DEBUG 1160 SBP_LOCK(sdev->target->sbp); 1161 sbp_xfer_free(xfer); 1162 sbp_agent_reset(sdev); 1163 SBP_UNLOCK(sdev->target->sbp); 1164} 1165 1166static void 1167sbp_busy_timeout(struct sbp_dev *sdev) 1168{ 1169 struct fw_pkt *fp; 1170 struct fw_xfer *xfer; 1171SBP_DEBUG(0) 1172 device_printf(sdev->target->sbp->fd.dev, 1173 "%s:%s\n", __func__, sdev->bustgtlun); 1174END_DEBUG 1175 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 1176 1177 xfer->hand = sbp_busy_timeout_callback; 1178 fp = &xfer->send.hdr; 1179 fp->mode.wreqq.dest_hi = 0xffff; 1180 fp->mode.wreqq.dest_lo = 0xf0000000 | BUSY_TIMEOUT; 1181 fp->mode.wreqq.data = htonl((1 << (13+12)) | 0xf); 1182 fw_asyreq(xfer->fc, -1, xfer); 1183} 1184 1185static void 1186sbp_orb_pointer_callback(struct fw_xfer *xfer) 1187{ 1188 struct sbp_dev *sdev; 1189 sdev = (struct sbp_dev *)xfer->sc; 1190 1191SBP_DEBUG(2) 1192 device_printf(sdev->target->sbp->fd.dev, 1193 "%s:%s\n", __func__, sdev->bustgtlun); 1194END_DEBUG 1195 if (xfer->resp != 0) { 1196 /* XXX */ 1197 printf("%s: xfer->resp = %d\n", __func__, xfer->resp); 1198 } 1199 SBP_LOCK(sdev->target->sbp); 1200 sbp_xfer_free(xfer); 1201 1202 sdev->flags &= ~ORB_POINTER_ACTIVE; 1203 1204 if ((sdev->flags & ORB_POINTER_NEED) != 0) { 1205 struct sbp_ocb *ocb; 1206 1207 sdev->flags &= ~ORB_POINTER_NEED; 1208 ocb = STAILQ_FIRST(&sdev->ocbs); 1209 if (ocb != NULL) 1210 sbp_orb_pointer(sdev, ocb); 1211 } 1212 SBP_UNLOCK(sdev->target->sbp); 1213 return; 1214} 1215 1216static void 1217sbp_orb_pointer(struct sbp_dev *sdev, struct sbp_ocb *ocb) 1218{ 1219 struct fw_xfer *xfer; 1220 struct fw_pkt *fp; 1221SBP_DEBUG(1) 1222 device_printf(sdev->target->sbp->fd.dev, 1223 "%s:%s 0x%08x\n", 1224 __func__, sdev->bustgtlun, 1225 (uint32_t)ocb->bus_addr); 1226END_DEBUG 1227 1228 SBP_LOCK_ASSERT(sdev->target->sbp); 1229 1230 if ((sdev->flags & ORB_POINTER_ACTIVE) != 0) { 1231SBP_DEBUG(0) 1232 printf("%s: orb pointer active\n", __func__); 1233END_DEBUG 1234 sdev->flags |= ORB_POINTER_NEED; 1235 return; 1236 } 1237 1238 sdev->flags |= ORB_POINTER_ACTIVE; 1239 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0x08); 1240 if (xfer == NULL) 1241 return; 1242 xfer->hand = sbp_orb_pointer_callback; 1243 1244 fp = &xfer->send.hdr; 1245 fp->mode.wreqb.len = 8; 1246 fp->mode.wreqb.extcode = 0; 1247 xfer->send.payload[0] = 1248 htonl(((sdev->target->sbp->fd.fc->nodeid | FWLOCALBUS )<< 16)); 1249 xfer->send.payload[1] = htonl((uint32_t)ocb->bus_addr); 1250 1251 if (fw_asyreq(xfer->fc, -1, xfer) != 0) { 1252 sbp_xfer_free(xfer); 1253 ocb->ccb->ccb_h.status = CAM_REQ_INVALID; 1254 xpt_done(ocb->ccb); 1255 } 1256} 1257 1258static void 1259sbp_doorbell_callback(struct fw_xfer *xfer) 1260{ 1261 struct sbp_dev *sdev; 1262 sdev = (struct sbp_dev *)xfer->sc; 1263 1264SBP_DEBUG(1) 1265 device_printf(sdev->target->sbp->fd.dev, 1266 "%s:%s\n", __func__, sdev->bustgtlun); 1267END_DEBUG 1268 if (xfer->resp != 0) { 1269 /* XXX */ 1270 device_printf(sdev->target->sbp->fd.dev, 1271 "%s: xfer->resp = %d\n", __func__, xfer->resp); 1272 } 1273 SBP_LOCK(sdev->target->sbp); 1274 sbp_xfer_free(xfer); 1275 sdev->flags &= ~ORB_DOORBELL_ACTIVE; 1276 if ((sdev->flags & ORB_DOORBELL_NEED) != 0) { 1277 sdev->flags &= ~ORB_DOORBELL_NEED; 1278 sbp_doorbell(sdev); 1279 } 1280 SBP_UNLOCK(sdev->target->sbp); 1281} 1282 1283static void 1284sbp_doorbell(struct sbp_dev *sdev) 1285{ 1286 struct fw_xfer *xfer; 1287 struct fw_pkt *fp; 1288SBP_DEBUG(1) 1289 device_printf(sdev->target->sbp->fd.dev, 1290 "%s:%s\n", __func__, sdev->bustgtlun); 1291END_DEBUG 1292 1293 if ((sdev->flags & ORB_DOORBELL_ACTIVE) != 0) { 1294 sdev->flags |= ORB_DOORBELL_NEED; 1295 return; 1296 } 1297 sdev->flags |= ORB_DOORBELL_ACTIVE; 1298 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x10); 1299 if (xfer == NULL) 1300 return; 1301 xfer->hand = sbp_doorbell_callback; 1302 fp = &xfer->send.hdr; 1303 fp->mode.wreqq.data = htonl(0xf); 1304 fw_asyreq(xfer->fc, -1, xfer); 1305} 1306 1307static struct fw_xfer * 1308sbp_write_cmd(struct sbp_dev *sdev, int tcode, int offset) 1309{ 1310 struct fw_xfer *xfer; 1311 struct fw_pkt *fp; 1312 struct sbp_target *target; 1313 int new = 0; 1314 1315 SBP_LOCK_ASSERT(sdev->target->sbp); 1316 1317 target = sdev->target; 1318 xfer = STAILQ_FIRST(&target->xferlist); 1319 if (xfer == NULL) { 1320 if (target->n_xfer > 5 /* XXX */) { 1321 printf("sbp: no more xfer for this target\n"); 1322 return(NULL); 1323 } 1324 xfer = fw_xfer_alloc_buf(M_SBP, 8, 0); 1325 if(xfer == NULL){ 1326 printf("sbp: fw_xfer_alloc_buf failed\n"); 1327 return NULL; 1328 } 1329 target->n_xfer ++; 1330 if (debug) 1331 printf("sbp: alloc %d xfer\n", target->n_xfer); 1332 new = 1; 1333 } else { 1334 STAILQ_REMOVE_HEAD(&target->xferlist, link); 1335 } 1336 1337 if (new) { 1338 xfer->recv.pay_len = 0; 1339 xfer->send.spd = min(sdev->target->fwdev->speed, max_speed); 1340 xfer->fc = sdev->target->sbp->fd.fc; 1341 } 1342 1343 if (tcode == FWTCODE_WREQB) 1344 xfer->send.pay_len = 8; 1345 else 1346 xfer->send.pay_len = 0; 1347 1348 xfer->sc = (caddr_t)sdev; 1349 fp = &xfer->send.hdr; 1350 fp->mode.wreqq.dest_hi = sdev->login->cmd_hi; 1351 fp->mode.wreqq.dest_lo = sdev->login->cmd_lo + offset; 1352 fp->mode.wreqq.tlrt = 0; 1353 fp->mode.wreqq.tcode = tcode; 1354 fp->mode.wreqq.pri = 0; 1355 fp->mode.wreqq.dst = FWLOCALBUS | sdev->target->fwdev->dst; 1356 1357 return xfer; 1358} 1359 1360static void 1361sbp_mgm_orb(struct sbp_dev *sdev, int func, struct sbp_ocb *aocb) 1362{ 1363 struct fw_xfer *xfer; 1364 struct fw_pkt *fp; 1365 struct sbp_ocb *ocb; 1366 struct sbp_target *target; 1367 int nid; 1368 1369 target = sdev->target; 1370 nid = target->sbp->fd.fc->nodeid | FWLOCALBUS; 1371 1372 SBP_LOCK_ASSERT(target->sbp); 1373 if (func == ORB_FUN_RUNQUEUE) { 1374 ocb = STAILQ_FIRST(&target->mgm_ocb_queue); 1375 if (target->mgm_ocb_cur != NULL || ocb == NULL) { 1376 return; 1377 } 1378 STAILQ_REMOVE_HEAD(&target->mgm_ocb_queue, ocb); 1379 goto start; 1380 } 1381 if ((ocb = sbp_get_ocb(sdev)) == NULL) { 1382 /* XXX */ 1383 return; 1384 } 1385 ocb->flags = OCB_ACT_MGM; 1386 ocb->sdev = sdev; 1387 1388 bzero((void *)ocb->orb, sizeof(ocb->orb)); 1389 ocb->orb[6] = htonl((nid << 16) | SBP_BIND_HI); 1390 ocb->orb[7] = htonl(SBP_DEV2ADDR(target->target_id, sdev->lun_id)); 1391 1392SBP_DEBUG(0) 1393 device_printf(sdev->target->sbp->fd.dev, 1394 "%s:%s %s\n", 1395 __func__,sdev->bustgtlun, 1396 orb_fun_name[(func>>16)&0xf]); 1397END_DEBUG 1398 switch (func) { 1399 case ORB_FUN_LGI: 1400 ocb->orb[0] = ocb->orb[1] = 0; /* password */ 1401 ocb->orb[2] = htonl(nid << 16); 1402 ocb->orb[3] = htonl(sdev->dma.bus_addr); 1403 ocb->orb[4] = htonl(ORB_NOTIFY | sdev->lun_id); 1404 if (ex_login) 1405 ocb->orb[4] |= htonl(ORB_EXV); 1406 ocb->orb[5] = htonl(SBP_LOGIN_SIZE); 1407 fwdma_sync(&sdev->dma, BUS_DMASYNC_PREREAD); 1408 break; 1409 case ORB_FUN_ATA: 1410 ocb->orb[0] = htonl((0 << 16) | 0); 1411 ocb->orb[1] = htonl(aocb->bus_addr & 0xffffffff); 1412 /* fall through */ 1413 case ORB_FUN_RCN: 1414 case ORB_FUN_LGO: 1415 case ORB_FUN_LUR: 1416 case ORB_FUN_RST: 1417 case ORB_FUN_ATS: 1418 ocb->orb[4] = htonl(ORB_NOTIFY | func | sdev->login->id); 1419 break; 1420 } 1421 1422 if (target->mgm_ocb_cur != NULL) { 1423 /* there is a standing ORB */ 1424 STAILQ_INSERT_TAIL(&sdev->target->mgm_ocb_queue, ocb, ocb); 1425 return; 1426 } 1427start: 1428 target->mgm_ocb_cur = ocb; 1429 1430 callout_reset(&target->mgm_ocb_timeout, 5 * hz, 1431 sbp_mgm_timeout, (caddr_t)ocb); 1432 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0); 1433 if(xfer == NULL){ 1434 return; 1435 } 1436 xfer->hand = sbp_mgm_callback; 1437 1438 fp = &xfer->send.hdr; 1439 fp->mode.wreqb.dest_hi = sdev->target->mgm_hi; 1440 fp->mode.wreqb.dest_lo = sdev->target->mgm_lo; 1441 fp->mode.wreqb.len = 8; 1442 fp->mode.wreqb.extcode = 0; 1443 xfer->send.payload[0] = htonl(nid << 16); 1444 xfer->send.payload[1] = htonl(ocb->bus_addr & 0xffffffff); 1445 1446 fw_asyreq(xfer->fc, -1, xfer); 1447} 1448 1449static void 1450sbp_print_scsi_cmd(struct sbp_ocb *ocb) 1451{ 1452 struct ccb_scsiio *csio; 1453 1454 csio = &ocb->ccb->csio; 1455 printf("%s:%d:%d XPT_SCSI_IO: " 1456 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 1457 ", flags: 0x%02x, " 1458 "%db cmd/%db data/%db sense\n", 1459 device_get_nameunit(ocb->sdev->target->sbp->fd.dev), 1460 ocb->ccb->ccb_h.target_id, ocb->ccb->ccb_h.target_lun, 1461 csio->cdb_io.cdb_bytes[0], 1462 csio->cdb_io.cdb_bytes[1], 1463 csio->cdb_io.cdb_bytes[2], 1464 csio->cdb_io.cdb_bytes[3], 1465 csio->cdb_io.cdb_bytes[4], 1466 csio->cdb_io.cdb_bytes[5], 1467 csio->cdb_io.cdb_bytes[6], 1468 csio->cdb_io.cdb_bytes[7], 1469 csio->cdb_io.cdb_bytes[8], 1470 csio->cdb_io.cdb_bytes[9], 1471 ocb->ccb->ccb_h.flags & CAM_DIR_MASK, 1472 csio->cdb_len, csio->dxfer_len, 1473 csio->sense_len); 1474} 1475 1476static void 1477sbp_scsi_status(struct sbp_status *sbp_status, struct sbp_ocb *ocb) 1478{ 1479 struct sbp_cmd_status *sbp_cmd_status; 1480 struct scsi_sense_data_fixed *sense; 1481 1482 sbp_cmd_status = (struct sbp_cmd_status *)sbp_status->data; 1483 sense = (struct scsi_sense_data_fixed *)&ocb->ccb->csio.sense_data; 1484 1485SBP_DEBUG(0) 1486 sbp_print_scsi_cmd(ocb); 1487 /* XXX need decode status */ 1488 printf("%s: SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d\n", 1489 ocb->sdev->bustgtlun, 1490 sbp_cmd_status->status, 1491 sbp_cmd_status->sfmt, 1492 sbp_cmd_status->valid, 1493 sbp_cmd_status->s_key, 1494 sbp_cmd_status->s_code, 1495 sbp_cmd_status->s_qlfr, 1496 sbp_status->len); 1497END_DEBUG 1498 1499 switch (sbp_cmd_status->status) { 1500 case SCSI_STATUS_CHECK_COND: 1501 case SCSI_STATUS_BUSY: 1502 case SCSI_STATUS_CMD_TERMINATED: 1503 if(sbp_cmd_status->sfmt == SBP_SFMT_CURR){ 1504 sense->error_code = SSD_CURRENT_ERROR; 1505 }else{ 1506 sense->error_code = SSD_DEFERRED_ERROR; 1507 } 1508 if(sbp_cmd_status->valid) 1509 sense->error_code |= SSD_ERRCODE_VALID; 1510 sense->flags = sbp_cmd_status->s_key; 1511 if(sbp_cmd_status->mark) 1512 sense->flags |= SSD_FILEMARK; 1513 if(sbp_cmd_status->eom) 1514 sense->flags |= SSD_EOM; 1515 if(sbp_cmd_status->ill_len) 1516 sense->flags |= SSD_ILI; 1517 1518 bcopy(&sbp_cmd_status->info, &sense->info[0], 4); 1519 1520 if (sbp_status->len <= 1) 1521 /* XXX not scsi status. shouldn't be happened */ 1522 sense->extra_len = 0; 1523 else if (sbp_status->len <= 4) 1524 /* add_sense_code(_qual), info, cmd_spec_info */ 1525 sense->extra_len = 6; 1526 else 1527 /* fru, sense_key_spec */ 1528 sense->extra_len = 10; 1529 1530 bcopy(&sbp_cmd_status->cdb, &sense->cmd_spec_info[0], 4); 1531 1532 sense->add_sense_code = sbp_cmd_status->s_code; 1533 sense->add_sense_code_qual = sbp_cmd_status->s_qlfr; 1534 sense->fru = sbp_cmd_status->fru; 1535 1536 bcopy(&sbp_cmd_status->s_keydep[0], 1537 &sense->sense_key_spec[0], 3); 1538 1539 ocb->ccb->csio.scsi_status = sbp_cmd_status->status; 1540 ocb->ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR 1541 | CAM_AUTOSNS_VALID; 1542/* 1543{ 1544 uint8_t j, *tmp; 1545 tmp = sense; 1546 for( j = 0 ; j < 32 ; j+=8){ 1547 printf("sense %02x%02x %02x%02x %02x%02x %02x%02x\n", 1548 tmp[j], tmp[j+1], tmp[j+2], tmp[j+3], 1549 tmp[j+4], tmp[j+5], tmp[j+6], tmp[j+7]); 1550 } 1551 1552} 1553*/ 1554 break; 1555 default: 1556 device_printf(ocb->sdev->target->sbp->fd.dev, 1557 "%s:%s unknown scsi status 0x%x\n", 1558 __func__, ocb->sdev->bustgtlun, 1559 sbp_cmd_status->status); 1560 } 1561} 1562 1563static void 1564sbp_fix_inq_data(struct sbp_ocb *ocb) 1565{ 1566 union ccb *ccb; 1567 struct sbp_dev *sdev; 1568 struct scsi_inquiry_data *inq; 1569 1570 ccb = ocb->ccb; 1571 sdev = ocb->sdev; 1572 1573 if (ccb->csio.cdb_io.cdb_bytes[1] & SI_EVPD) 1574 return; 1575SBP_DEBUG(1) 1576 device_printf(sdev->target->sbp->fd.dev, 1577 "%s:%s\n", __func__, sdev->bustgtlun); 1578END_DEBUG 1579 inq = (struct scsi_inquiry_data *) ccb->csio.data_ptr; 1580 switch (SID_TYPE(inq)) { 1581 case T_DIRECT: 1582#if 0 1583 /* 1584 * XXX Convert Direct Access device to RBC. 1585 * I've never seen FireWire DA devices which support READ_6. 1586 */ 1587 if (SID_TYPE(inq) == T_DIRECT) 1588 inq->device |= T_RBC; /* T_DIRECT == 0 */ 1589#endif 1590 /* fall through */ 1591 case T_RBC: 1592 /* 1593 * Override vendor/product/revision information. 1594 * Some devices sometimes return strange strings. 1595 */ 1596#if 1 1597 bcopy(sdev->vendor, inq->vendor, sizeof(inq->vendor)); 1598 bcopy(sdev->product, inq->product, sizeof(inq->product)); 1599 bcopy(sdev->revision+2, inq->revision, sizeof(inq->revision)); 1600#endif 1601 break; 1602 } 1603 /* 1604 * Force to enable/disable tagged queuing. 1605 * XXX CAM also checks SCP_QUEUE_DQUE flag in the control mode page. 1606 */ 1607 if (sbp_tags > 0) 1608 inq->flags |= SID_CmdQue; 1609 else if (sbp_tags < 0) 1610 inq->flags &= ~SID_CmdQue; 1611 1612} 1613 1614static void 1615sbp_recv1(struct fw_xfer *xfer) 1616{ 1617 struct fw_pkt *rfp; 1618#if NEED_RESPONSE 1619 struct fw_pkt *sfp; 1620#endif 1621 struct sbp_softc *sbp; 1622 struct sbp_dev *sdev; 1623 struct sbp_ocb *ocb; 1624 struct sbp_login_res *login_res = NULL; 1625 struct sbp_status *sbp_status; 1626 struct sbp_target *target; 1627 int orb_fun, status_valid0, status_valid, t, l, reset_agent = 0; 1628 uint32_t addr; 1629/* 1630 uint32_t *ld; 1631 ld = xfer->recv.buf; 1632printf("sbp %x %d %d %08x %08x %08x %08x\n", 1633 xfer->resp, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3])); 1634printf("sbp %08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 1635printf("sbp %08x %08x %08x %08x\n", ntohl(ld[8]), ntohl(ld[9]), ntohl(ld[10]), ntohl(ld[11])); 1636*/ 1637 sbp = (struct sbp_softc *)xfer->sc; 1638 SBP_LOCK_ASSERT(sbp); 1639 if (xfer->resp != 0){ 1640 printf("sbp_recv: xfer->resp = %d\n", xfer->resp); 1641 goto done0; 1642 } 1643 if (xfer->recv.payload == NULL){ 1644 printf("sbp_recv: xfer->recv.payload == NULL\n"); 1645 goto done0; 1646 } 1647 rfp = &xfer->recv.hdr; 1648 if(rfp->mode.wreqb.tcode != FWTCODE_WREQB){ 1649 printf("sbp_recv: tcode = %d\n", rfp->mode.wreqb.tcode); 1650 goto done0; 1651 } 1652 sbp_status = (struct sbp_status *)xfer->recv.payload; 1653 addr = rfp->mode.wreqb.dest_lo; 1654SBP_DEBUG(2) 1655 printf("received address 0x%x\n", addr); 1656END_DEBUG 1657 t = SBP_ADDR2TRG(addr); 1658 if (t >= SBP_NUM_TARGETS) { 1659 device_printf(sbp->fd.dev, 1660 "sbp_recv1: invalid target %d\n", t); 1661 goto done0; 1662 } 1663 target = &sbp->targets[t]; 1664 l = SBP_ADDR2LUN(addr); 1665 if (l >= target->num_lun || target->luns[l] == NULL) { 1666 device_printf(sbp->fd.dev, 1667 "sbp_recv1: invalid lun %d (target=%d)\n", l, t); 1668 goto done0; 1669 } 1670 sdev = target->luns[l]; 1671 1672 ocb = NULL; 1673 switch (sbp_status->src) { 1674 case 0: 1675 case 1: 1676 /* check mgm_ocb_cur first */ 1677 ocb = target->mgm_ocb_cur; 1678 if (ocb != NULL) { 1679 if (OCB_MATCH(ocb, sbp_status)) { 1680 callout_stop(&target->mgm_ocb_timeout); 1681 target->mgm_ocb_cur = NULL; 1682 break; 1683 } 1684 } 1685 ocb = sbp_dequeue_ocb(sdev, sbp_status); 1686 if (ocb == NULL) { 1687 device_printf(sdev->target->sbp->fd.dev, 1688#if defined(__DragonFly__) || __FreeBSD_version < 500000 1689 "%s:%s No ocb(%lx) on the queue\n", 1690#else 1691 "%s:%s No ocb(%x) on the queue\n", 1692#endif 1693 __func__,sdev->bustgtlun, 1694 ntohl(sbp_status->orb_lo)); 1695 } 1696 break; 1697 case 2: 1698 /* unsolicit */ 1699 device_printf(sdev->target->sbp->fd.dev, 1700 "%s:%s unsolicit status received\n", 1701 __func__, sdev->bustgtlun); 1702 break; 1703 default: 1704 device_printf(sdev->target->sbp->fd.dev, 1705 "%s:%s unknown sbp_status->src\n", 1706 __func__, sdev->bustgtlun); 1707 } 1708 1709 status_valid0 = (sbp_status->src < 2 1710 && sbp_status->resp == ORB_RES_CMPL 1711 && sbp_status->dead == 0); 1712 status_valid = (status_valid0 && sbp_status->status == 0); 1713 1714 if (!status_valid0 || debug > 2){ 1715 int status; 1716SBP_DEBUG(0) 1717 device_printf(sdev->target->sbp->fd.dev, 1718 "%s:%s ORB status src:%x resp:%x dead:%x" 1719#if defined(__DragonFly__) || __FreeBSD_version < 500000 1720 " len:%x stat:%x orb:%x%08lx\n", 1721#else 1722 " len:%x stat:%x orb:%x%08x\n", 1723#endif 1724 __func__, sdev->bustgtlun, 1725 sbp_status->src, sbp_status->resp, sbp_status->dead, 1726 sbp_status->len, sbp_status->status, 1727 ntohs(sbp_status->orb_hi), ntohl(sbp_status->orb_lo)); 1728END_DEBUG 1729 device_printf(sdev->target->sbp->fd.dev, 1730 "%s\n", sdev->bustgtlun); 1731 status = sbp_status->status; 1732 switch(sbp_status->resp) { 1733 case 0: 1734 if (status > MAX_ORB_STATUS0) 1735 printf("%s\n", orb_status0[MAX_ORB_STATUS0]); 1736 else 1737 printf("%s\n", orb_status0[status]); 1738 break; 1739 case 1: 1740 printf("Obj: %s, Error: %s\n", 1741 orb_status1_object[(status>>6) & 3], 1742 orb_status1_serial_bus_error[status & 0xf]); 1743 break; 1744 case 2: 1745 printf("Illegal request\n"); 1746 break; 1747 case 3: 1748 printf("Vendor dependent\n"); 1749 break; 1750 default: 1751 printf("unknown respose code %d\n", sbp_status->resp); 1752 } 1753 } 1754 1755 /* we have to reset the fetch agent if it's dead */ 1756 if (sbp_status->dead) { 1757 if (sdev->path) { 1758 xpt_freeze_devq(sdev->path, 1); 1759 sdev->freeze ++; 1760 } 1761 reset_agent = 1; 1762 } 1763 1764 if (ocb == NULL) 1765 goto done; 1766 1767 switch(ntohl(ocb->orb[4]) & ORB_FMT_MSK){ 1768 case ORB_FMT_NOP: 1769 break; 1770 case ORB_FMT_VED: 1771 break; 1772 case ORB_FMT_STD: 1773 switch(ocb->flags) { 1774 case OCB_ACT_MGM: 1775 orb_fun = ntohl(ocb->orb[4]) & ORB_FUN_MSK; 1776 reset_agent = 0; 1777 switch(orb_fun) { 1778 case ORB_FUN_LGI: 1779 fwdma_sync(&sdev->dma, BUS_DMASYNC_POSTREAD); 1780 login_res = sdev->login; 1781 login_res->len = ntohs(login_res->len); 1782 login_res->id = ntohs(login_res->id); 1783 login_res->cmd_hi = ntohs(login_res->cmd_hi); 1784 login_res->cmd_lo = ntohl(login_res->cmd_lo); 1785 if (status_valid) { 1786SBP_DEBUG(0) 1787 device_printf(sdev->target->sbp->fd.dev, 1788 "%s:%s login: len %d, ID %d, cmd %08x%08x, recon_hold %d\n", 1789 __func__, sdev->bustgtlun, 1790 login_res->len, login_res->id, 1791 login_res->cmd_hi, login_res->cmd_lo, 1792 ntohs(login_res->recon_hold)); 1793END_DEBUG 1794 sbp_busy_timeout(sdev); 1795 } else { 1796 /* forgot logout? */ 1797 device_printf(sdev->target->sbp->fd.dev, 1798 "%s:%s login failed\n", 1799 __func__, sdev->bustgtlun); 1800 sdev->status = SBP_DEV_RESET; 1801 } 1802 break; 1803 case ORB_FUN_RCN: 1804 login_res = sdev->login; 1805 if (status_valid) { 1806SBP_DEBUG(0) 1807 device_printf(sdev->target->sbp->fd.dev, 1808 "%s:%s reconnect: len %d, ID %d, cmd %08x%08x\n", 1809 __func__, sdev->bustgtlun, 1810 login_res->len, login_res->id, 1811 login_res->cmd_hi, login_res->cmd_lo); 1812END_DEBUG 1813 if (sdev->status == SBP_DEV_ATTACHED) 1814 sbp_scan_dev(sdev); 1815 else 1816 sbp_agent_reset(sdev); 1817 } else { 1818 /* reconnection hold time exceed? */ 1819SBP_DEBUG(0) 1820 device_printf(sdev->target->sbp->fd.dev, 1821 "%s:%s reconnect failed\n", 1822 __func__, sdev->bustgtlun); 1823END_DEBUG 1824 sbp_login(sdev); 1825 } 1826 break; 1827 case ORB_FUN_LGO: 1828 sdev->status = SBP_DEV_RESET; 1829 break; 1830 case ORB_FUN_RST: 1831 sbp_busy_timeout(sdev); 1832 break; 1833 case ORB_FUN_LUR: 1834 case ORB_FUN_ATA: 1835 case ORB_FUN_ATS: 1836 sbp_agent_reset(sdev); 1837 break; 1838 default: 1839 device_printf(sdev->target->sbp->fd.dev, 1840 "%s:%s unknown function %d\n", 1841 __func__, sdev->bustgtlun, orb_fun); 1842 break; 1843 } 1844 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 1845 break; 1846 case OCB_ACT_CMD: 1847 sdev->timeout = 0; 1848 if(ocb->ccb != NULL){ 1849 union ccb *ccb; 1850 1851 ccb = ocb->ccb; 1852 if(sbp_status->len > 1){ 1853 sbp_scsi_status(sbp_status, ocb); 1854 }else{ 1855 if(sbp_status->resp != ORB_RES_CMPL){ 1856 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1857 }else{ 1858 ccb->ccb_h.status = CAM_REQ_CMP; 1859 } 1860 } 1861 /* fix up inq data */ 1862 if (ccb->csio.cdb_io.cdb_bytes[0] == INQUIRY) 1863 sbp_fix_inq_data(ocb); 1864 xpt_done(ccb); 1865 } 1866 break; 1867 default: 1868 break; 1869 } 1870 } 1871 1872 if (!use_doorbell) 1873 sbp_free_ocb(sdev, ocb); 1874done: 1875 if (reset_agent) 1876 sbp_agent_reset(sdev); 1877 1878done0: 1879 xfer->recv.pay_len = SBP_RECV_LEN; 1880/* The received packet is usually small enough to be stored within 1881 * the buffer. In that case, the controller return ack_complete and 1882 * no respose is necessary. 1883 * 1884 * XXX fwohci.c and firewire.c should inform event_code such as 1885 * ack_complete or ack_pending to upper driver. 1886 */ 1887#if NEED_RESPONSE 1888 xfer->send.off = 0; 1889 sfp = (struct fw_pkt *)xfer->send.buf; 1890 sfp->mode.wres.dst = rfp->mode.wreqb.src; 1891 xfer->dst = sfp->mode.wres.dst; 1892 xfer->spd = min(sdev->target->fwdev->speed, max_speed); 1893 xfer->hand = sbp_loginres_callback; 1894 1895 sfp->mode.wres.tlrt = rfp->mode.wreqb.tlrt; 1896 sfp->mode.wres.tcode = FWTCODE_WRES; 1897 sfp->mode.wres.rtcode = 0; 1898 sfp->mode.wres.pri = 0; 1899 1900 fw_asyreq(xfer->fc, -1, xfer); 1901#else 1902 /* recycle */ 1903 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link); 1904#endif 1905} 1906 1907static void 1908sbp_recv(struct fw_xfer *xfer) 1909{ 1910 struct sbp_softc *sbp; 1911 1912 sbp = (struct sbp_softc *)xfer->sc; 1913 SBP_LOCK(sbp); 1914 sbp_recv1(xfer); 1915 SBP_UNLOCK(sbp); 1916} 1917/* 1918 * sbp_attach() 1919 */ 1920static int 1921sbp_attach(device_t dev) 1922{ 1923 struct sbp_softc *sbp; 1924 struct cam_devq *devq; 1925 struct firewire_comm *fc; 1926 int i, error; 1927 1928 if (DFLTPHYS > SBP_MAXPHYS) 1929 device_printf(dev, "Warning, DFLTPHYS(%dKB) is larger than " 1930 "SBP_MAXPHYS(%dKB).\n", DFLTPHYS / 1024, 1931 SBP_MAXPHYS / 1024); 1932 1933 if (!firewire_phydma_enable) 1934 device_printf(dev, "Warning, hw.firewire.phydma_enable must be 1 " 1935 "for SBP over FireWire.\n"); 1936SBP_DEBUG(0) 1937 printf("sbp_attach (cold=%d)\n", cold); 1938END_DEBUG 1939 1940 if (cold) 1941 sbp_cold ++; 1942 sbp = device_get_softc(dev); 1943 sbp->fd.dev = dev; 1944 sbp->fd.fc = fc = device_get_ivars(dev); 1945 mtx_init(&sbp->mtx, "sbp", NULL, MTX_DEF); 1946 1947 if (max_speed < 0) 1948 max_speed = fc->speed; 1949 1950 error = bus_dma_tag_create(/*parent*/fc->dmat, 1951 /* XXX shoud be 4 for sane backend? */ 1952 /*alignment*/1, 1953 /*boundary*/0, 1954 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, 1955 /*highaddr*/BUS_SPACE_MAXADDR, 1956 /*filter*/NULL, /*filterarg*/NULL, 1957 /*maxsize*/0x100000, /*nsegments*/SBP_IND_MAX, 1958 /*maxsegsz*/SBP_SEG_MAX, 1959 /*flags*/BUS_DMA_ALLOCNOW, 1960#if defined(__FreeBSD__) && __FreeBSD_version >= 501102 1961 /*lockfunc*/busdma_lock_mutex, 1962 /*lockarg*/&sbp->mtx, 1963#endif 1964 &sbp->dmat); 1965 if (error != 0) { 1966 printf("sbp_attach: Could not allocate DMA tag " 1967 "- error %d\n", error); 1968 return (ENOMEM); 1969 } 1970 1971 devq = cam_simq_alloc(/*maxopenings*/SBP_NUM_OCB); 1972 if (devq == NULL) 1973 return (ENXIO); 1974 1975 for( i = 0 ; i < SBP_NUM_TARGETS ; i++){ 1976 sbp->targets[i].fwdev = NULL; 1977 sbp->targets[i].luns = NULL; 1978 } 1979 1980 sbp->sim = cam_sim_alloc(sbp_action, sbp_poll, "sbp", sbp, 1981 device_get_unit(dev), 1982 &sbp->mtx, 1983 /*untagged*/ 1, 1984 /*tagged*/ SBP_QUEUE_LEN - 1, 1985 devq); 1986 1987 if (sbp->sim == NULL) { 1988 cam_simq_free(devq); 1989 return (ENXIO); 1990 } 1991 1992 SBP_LOCK(sbp); 1993 if (xpt_bus_register(sbp->sim, dev, /*bus*/0) != CAM_SUCCESS) 1994 goto fail; 1995 1996 if (xpt_create_path(&sbp->path, NULL, cam_sim_path(sbp->sim), 1997 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 1998 xpt_bus_deregister(cam_sim_path(sbp->sim)); 1999 goto fail; 2000 } 2001 SBP_UNLOCK(sbp); 2002 2003 /* We reserve 16 bit space (4 bytes X 64 targets X 256 luns) */ 2004 sbp->fwb.start = ((u_int64_t)SBP_BIND_HI << 32) | SBP_DEV2ADDR(0, 0); 2005 sbp->fwb.end = sbp->fwb.start + 0xffff; 2006 /* pre-allocate xfer */ 2007 STAILQ_INIT(&sbp->fwb.xferlist); 2008 fw_xferlist_add(&sbp->fwb.xferlist, M_SBP, 2009 /*send*/ 0, /*recv*/ SBP_RECV_LEN, SBP_NUM_OCB/2, 2010 fc, (void *)sbp, sbp_recv); 2011 2012 fw_bindadd(fc, &sbp->fwb); 2013 2014 sbp->fd.post_busreset = sbp_post_busreset; 2015 sbp->fd.post_explore = sbp_post_explore; 2016 2017 if (fc->status != -1) { 2018 sbp_post_busreset((void *)sbp); 2019 sbp_post_explore((void *)sbp); 2020 } 2021 SBP_LOCK(sbp); 2022 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL); 2023 SBP_UNLOCK(sbp); 2024 2025 return (0); 2026fail: 2027 SBP_UNLOCK(sbp); 2028 cam_sim_free(sbp->sim, /*free_devq*/TRUE); 2029 return (ENXIO); 2030} 2031 2032static int 2033sbp_logout_all(struct sbp_softc *sbp) 2034{ 2035 struct sbp_target *target; 2036 struct sbp_dev *sdev; 2037 int i, j; 2038 2039SBP_DEBUG(0) 2040 printf("sbp_logout_all\n"); 2041END_DEBUG 2042 SBP_LOCK_ASSERT(sbp); 2043 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) { 2044 target = &sbp->targets[i]; 2045 if (target->luns == NULL) 2046 continue; 2047 for (j = 0; j < target->num_lun; j++) { 2048 sdev = target->luns[j]; 2049 if (sdev == NULL) 2050 continue; 2051 callout_stop(&sdev->login_callout); 2052 if (sdev->status >= SBP_DEV_TOATTACH && 2053 sdev->status <= SBP_DEV_ATTACHED) 2054 sbp_mgm_orb(sdev, ORB_FUN_LGO, NULL); 2055 } 2056 } 2057 2058 return 0; 2059} 2060 2061static int 2062sbp_shutdown(device_t dev) 2063{ 2064 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 2065 2066 SBP_LOCK(sbp); 2067 sbp_logout_all(sbp); 2068 SBP_UNLOCK(sbp); 2069 return (0); 2070} 2071 2072static void 2073sbp_free_sdev(struct sbp_dev *sdev) 2074{ 2075 struct sbp_softc *sbp; 2076 int i; 2077 2078 if (sdev == NULL) 2079 return; 2080 sbp = sdev->target->sbp; 2081 SBP_UNLOCK(sbp); 2082 callout_drain(&sdev->login_callout); 2083 for (i = 0; i < SBP_QUEUE_LEN; i++) { 2084 callout_drain(&sdev->ocb[i].timer); 2085 bus_dmamap_destroy(sbp->dmat, sdev->ocb[i].dmamap); 2086 } 2087 fwdma_free(sbp->fd.fc, &sdev->dma); 2088 free(sdev, M_SBP); 2089 SBP_LOCK(sbp); 2090} 2091 2092static void 2093sbp_free_target(struct sbp_target *target) 2094{ 2095 struct sbp_softc *sbp; 2096 struct fw_xfer *xfer, *next; 2097 int i; 2098 2099 if (target->luns == NULL) 2100 return; 2101 sbp = target->sbp; 2102 SBP_LOCK_ASSERT(sbp); 2103 SBP_UNLOCK(sbp); 2104 callout_drain(&target->mgm_ocb_timeout); 2105 callout_drain(&target->scan_callout); 2106 SBP_LOCK(sbp); 2107 for (i = 0; i < target->num_lun; i++) 2108 sbp_free_sdev(target->luns[i]); 2109 2110 STAILQ_FOREACH_SAFE(xfer, &target->xferlist, link, next) { 2111 fw_xfer_free_buf(xfer); 2112 } 2113 STAILQ_INIT(&target->xferlist); 2114 free(target->luns, M_SBP); 2115 target->num_lun = 0; 2116 target->luns = NULL; 2117 target->fwdev = NULL; 2118} 2119 2120static int 2121sbp_detach(device_t dev) 2122{ 2123 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 2124 struct firewire_comm *fc = sbp->fd.fc; 2125 int i; 2126 2127SBP_DEBUG(0) 2128 printf("sbp_detach\n"); 2129END_DEBUG 2130 2131 SBP_LOCK(sbp); 2132 for (i = 0; i < SBP_NUM_TARGETS; i ++) 2133 sbp_cam_detach_target(&sbp->targets[i]); 2134 2135 xpt_async(AC_LOST_DEVICE, sbp->path, NULL); 2136 xpt_free_path(sbp->path); 2137 xpt_bus_deregister(cam_sim_path(sbp->sim)); 2138 cam_sim_free(sbp->sim, /*free_devq*/ TRUE); 2139 2140 sbp_logout_all(sbp); 2141 SBP_UNLOCK(sbp); 2142 2143 /* XXX wait for logout completion */ 2144 pause("sbpdtc", hz/2); 2145 2146 SBP_LOCK(sbp); 2147 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) 2148 sbp_free_target(&sbp->targets[i]); 2149 SBP_UNLOCK(sbp); 2150 2151 fw_bindremove(fc, &sbp->fwb); 2152 fw_xferlist_remove(&sbp->fwb.xferlist); 2153 2154 bus_dma_tag_destroy(sbp->dmat); 2155 mtx_destroy(&sbp->mtx); 2156 2157 return (0); 2158} 2159 2160static void 2161sbp_cam_detach_sdev(struct sbp_dev *sdev) 2162{ 2163 if (sdev == NULL) 2164 return; 2165 if (sdev->status == SBP_DEV_DEAD) 2166 return; 2167 if (sdev->status == SBP_DEV_RESET) 2168 return; 2169 SBP_LOCK_ASSERT(sdev->target->sbp); 2170 sbp_abort_all_ocbs(sdev, CAM_DEV_NOT_THERE); 2171 if (sdev->path) { 2172 xpt_release_devq(sdev->path, 2173 sdev->freeze, TRUE); 2174 sdev->freeze = 0; 2175 xpt_async(AC_LOST_DEVICE, sdev->path, NULL); 2176 xpt_free_path(sdev->path); 2177 sdev->path = NULL; 2178 } 2179} 2180 2181static void 2182sbp_cam_detach_target(struct sbp_target *target) 2183{ 2184 int i; 2185 2186 SBP_LOCK_ASSERT(target->sbp); 2187 if (target->luns != NULL) { 2188SBP_DEBUG(0) 2189 printf("sbp_detach_target %d\n", target->target_id); 2190END_DEBUG 2191 callout_stop(&target->scan_callout); 2192 for (i = 0; i < target->num_lun; i++) 2193 sbp_cam_detach_sdev(target->luns[i]); 2194 } 2195} 2196 2197static void 2198sbp_target_reset(struct sbp_dev *sdev, int method) 2199{ 2200 int i; 2201 struct sbp_target *target = sdev->target; 2202 struct sbp_dev *tsdev; 2203 2204 SBP_LOCK_ASSERT(target->sbp); 2205 for (i = 0; i < target->num_lun; i++) { 2206 tsdev = target->luns[i]; 2207 if (tsdev == NULL) 2208 continue; 2209 if (tsdev->status == SBP_DEV_DEAD) 2210 continue; 2211 if (tsdev->status == SBP_DEV_RESET) 2212 continue; 2213 xpt_freeze_devq(tsdev->path, 1); 2214 tsdev->freeze ++; 2215 sbp_abort_all_ocbs(tsdev, CAM_CMD_TIMEOUT); 2216 if (method == 2) 2217 tsdev->status = SBP_DEV_LOGIN; 2218 } 2219 switch(method) { 2220 case 1: 2221 printf("target reset\n"); 2222 sbp_mgm_orb(sdev, ORB_FUN_RST, NULL); 2223 break; 2224 case 2: 2225 printf("reset start\n"); 2226 sbp_reset_start(sdev); 2227 break; 2228 } 2229 2230} 2231 2232static void 2233sbp_mgm_timeout(void *arg) 2234{ 2235 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 2236 struct sbp_dev *sdev = ocb->sdev; 2237 struct sbp_target *target = sdev->target; 2238 2239 SBP_LOCK_ASSERT(target->sbp); 2240 device_printf(sdev->target->sbp->fd.dev, 2241 "%s:%s request timeout(mgm orb:0x%08x)\n", 2242 __func__, sdev->bustgtlun, (uint32_t)ocb->bus_addr); 2243 target->mgm_ocb_cur = NULL; 2244 sbp_free_ocb(sdev, ocb); 2245#if 0 2246 /* XXX */ 2247 printf("run next request\n"); 2248 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 2249#endif 2250 device_printf(sdev->target->sbp->fd.dev, 2251 "%s:%s reset start\n", 2252 __func__, sdev->bustgtlun); 2253 sbp_reset_start(sdev); 2254} 2255 2256static void 2257sbp_timeout(void *arg) 2258{ 2259 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 2260 struct sbp_dev *sdev = ocb->sdev; 2261 2262 device_printf(sdev->target->sbp->fd.dev, 2263 "%s:%s request timeout(cmd orb:0x%08x) ... ", 2264 __func__, sdev->bustgtlun, (uint32_t)ocb->bus_addr); 2265 2266 SBP_LOCK_ASSERT(sdev->target->sbp); 2267 sdev->timeout ++; 2268 switch(sdev->timeout) { 2269 case 1: 2270 printf("agent reset\n"); 2271 xpt_freeze_devq(sdev->path, 1); 2272 sdev->freeze ++; 2273 sbp_abort_all_ocbs(sdev, CAM_CMD_TIMEOUT); 2274 sbp_agent_reset(sdev); 2275 break; 2276 case 2: 2277 case 3: 2278 sbp_target_reset(sdev, sdev->timeout - 1); 2279 break; 2280#if 0 2281 default: 2282 /* XXX give up */ 2283 sbp_cam_detach_target(target); 2284 if (target->luns != NULL) 2285 free(target->luns, M_SBP); 2286 target->num_lun = 0; 2287 target->luns = NULL; 2288 target->fwdev = NULL; 2289#endif 2290 } 2291} 2292 2293static void 2294sbp_action(struct cam_sim *sim, union ccb *ccb) 2295{ 2296 2297 struct sbp_softc *sbp = (struct sbp_softc *)sim->softc; 2298 struct sbp_target *target = NULL; 2299 struct sbp_dev *sdev = NULL; 2300 2301 if (sbp != NULL) 2302 SBP_LOCK_ASSERT(sbp); 2303 /* target:lun -> sdev mapping */ 2304 if (sbp != NULL 2305 && ccb->ccb_h.target_id != CAM_TARGET_WILDCARD 2306 && ccb->ccb_h.target_id < SBP_NUM_TARGETS) { 2307 target = &sbp->targets[ccb->ccb_h.target_id]; 2308 if (target->fwdev != NULL 2309 && ccb->ccb_h.target_lun != CAM_LUN_WILDCARD 2310 && ccb->ccb_h.target_lun < target->num_lun) { 2311 sdev = target->luns[ccb->ccb_h.target_lun]; 2312 if (sdev != NULL && sdev->status != SBP_DEV_ATTACHED && 2313 sdev->status != SBP_DEV_PROBE) 2314 sdev = NULL; 2315 } 2316 } 2317 2318SBP_DEBUG(1) 2319 if (sdev == NULL) 2320 printf("invalid target %d lun %d\n", 2321 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2322END_DEBUG 2323 2324 switch (ccb->ccb_h.func_code) { 2325 case XPT_SCSI_IO: 2326 case XPT_RESET_DEV: 2327 case XPT_GET_TRAN_SETTINGS: 2328 case XPT_SET_TRAN_SETTINGS: 2329 case XPT_CALC_GEOMETRY: 2330 if (sdev == NULL) { 2331SBP_DEBUG(1) 2332 printf("%s:%d:%d:func_code 0x%04x: " 2333 "Invalid target (target needed)\n", 2334 device_get_nameunit(sbp->fd.dev), 2335 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2336 ccb->ccb_h.func_code); 2337END_DEBUG 2338 2339 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2340 xpt_done(ccb); 2341 return; 2342 } 2343 break; 2344 case XPT_PATH_INQ: 2345 case XPT_NOOP: 2346 /* The opcodes sometimes aimed at a target (sc is valid), 2347 * sometimes aimed at the SIM (sc is invalid and target is 2348 * CAM_TARGET_WILDCARD) 2349 */ 2350 if (sbp == NULL && 2351 ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) { 2352SBP_DEBUG(0) 2353 printf("%s:%d:%d func_code 0x%04x: " 2354 "Invalid target (no wildcard)\n", 2355 device_get_nameunit(sbp->fd.dev), 2356 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2357 ccb->ccb_h.func_code); 2358END_DEBUG 2359 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2360 xpt_done(ccb); 2361 return; 2362 } 2363 break; 2364 default: 2365 /* XXX Hm, we should check the input parameters */ 2366 break; 2367 } 2368 2369 switch (ccb->ccb_h.func_code) { 2370 case XPT_SCSI_IO: 2371 { 2372 struct ccb_scsiio *csio; 2373 struct sbp_ocb *ocb; 2374 int speed; 2375 void *cdb; 2376 2377 csio = &ccb->csio; 2378 mtx_assert(sim->mtx, MA_OWNED); 2379 2380SBP_DEBUG(2) 2381 printf("%s:%d:%d XPT_SCSI_IO: " 2382 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 2383 ", flags: 0x%02x, " 2384 "%db cmd/%db data/%db sense\n", 2385 device_get_nameunit(sbp->fd.dev), 2386 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2387 csio->cdb_io.cdb_bytes[0], 2388 csio->cdb_io.cdb_bytes[1], 2389 csio->cdb_io.cdb_bytes[2], 2390 csio->cdb_io.cdb_bytes[3], 2391 csio->cdb_io.cdb_bytes[4], 2392 csio->cdb_io.cdb_bytes[5], 2393 csio->cdb_io.cdb_bytes[6], 2394 csio->cdb_io.cdb_bytes[7], 2395 csio->cdb_io.cdb_bytes[8], 2396 csio->cdb_io.cdb_bytes[9], 2397 ccb->ccb_h.flags & CAM_DIR_MASK, 2398 csio->cdb_len, csio->dxfer_len, 2399 csio->sense_len); 2400END_DEBUG 2401 if(sdev == NULL){ 2402 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2403 xpt_done(ccb); 2404 return; 2405 } 2406 if (csio->cdb_len > sizeof(ocb->orb) - 5 * sizeof(uint32_t)) { 2407 ccb->ccb_h.status = CAM_REQ_INVALID; 2408 xpt_done(ccb); 2409 return; 2410 } 2411#if 0 2412 /* if we are in probe stage, pass only probe commands */ 2413 if (sdev->status == SBP_DEV_PROBE) { 2414 char *name; 2415 name = xpt_path_periph(ccb->ccb_h.path)->periph_name; 2416 printf("probe stage, periph name: %s\n", name); 2417 if (strcmp(name, "probe") != 0) { 2418 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2419 xpt_done(ccb); 2420 return; 2421 } 2422 } 2423#endif 2424 if ((ocb = sbp_get_ocb(sdev)) == NULL) { 2425 ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 2426 if (sdev->freeze == 0) { 2427 xpt_freeze_devq(sdev->path, 1); 2428 sdev->freeze ++; 2429 } 2430 xpt_done(ccb); 2431 return; 2432 } 2433 2434 ocb->flags = OCB_ACT_CMD; 2435 ocb->sdev = sdev; 2436 ocb->ccb = ccb; 2437 ccb->ccb_h.ccb_sdev_ptr = sdev; 2438 ocb->orb[0] = htonl(1U << 31); 2439 ocb->orb[1] = 0; 2440 ocb->orb[2] = htonl(((sbp->fd.fc->nodeid | FWLOCALBUS )<< 16) ); 2441 ocb->orb[3] = htonl(ocb->bus_addr + IND_PTR_OFFSET); 2442 speed = min(target->fwdev->speed, max_speed); 2443 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_CMD_SPD(speed) 2444 | ORB_CMD_MAXP(speed + 7)); 2445 if((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN){ 2446 ocb->orb[4] |= htonl(ORB_CMD_IN); 2447 } 2448 2449 if (csio->ccb_h.flags & CAM_CDB_POINTER) 2450 cdb = (void *)csio->cdb_io.cdb_ptr; 2451 else 2452 cdb = (void *)&csio->cdb_io.cdb_bytes; 2453 bcopy(cdb, (void *)&ocb->orb[5], csio->cdb_len); 2454/* 2455printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[0]), ntohl(ocb->orb[1]), ntohl(ocb->orb[2]), ntohl(ocb->orb[3])); 2456printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[4]), ntohl(ocb->orb[5]), ntohl(ocb->orb[6]), ntohl(ocb->orb[7])); 2457*/ 2458 if (ccb->csio.dxfer_len > 0) { 2459 int error; 2460 2461 error = bus_dmamap_load_ccb(/*dma tag*/sbp->dmat, 2462 /*dma map*/ocb->dmamap, 2463 ccb, 2464 sbp_execute_ocb, 2465 ocb, 2466 /*flags*/0); 2467 if (error) 2468 printf("sbp: bus_dmamap_load error %d\n", error); 2469 } else 2470 sbp_execute_ocb(ocb, NULL, 0, 0); 2471 break; 2472 } 2473 case XPT_CALC_GEOMETRY: 2474 { 2475 struct ccb_calc_geometry *ccg; 2476#if defined(__DragonFly__) || __FreeBSD_version < 501100 2477 uint32_t size_mb; 2478 uint32_t secs_per_cylinder; 2479 int extended = 1; 2480#endif 2481 2482 ccg = &ccb->ccg; 2483 if (ccg->block_size == 0) { 2484 printf("sbp_action: block_size is 0.\n"); 2485 ccb->ccb_h.status = CAM_REQ_INVALID; 2486 xpt_done(ccb); 2487 break; 2488 } 2489SBP_DEBUG(1) 2490 printf("%s:%d:%d:%d:XPT_CALC_GEOMETRY: " 2491#if defined(__DragonFly__) || __FreeBSD_version < 500000 2492 "Volume size = %d\n", 2493#else 2494 "Volume size = %jd\n", 2495#endif 2496 device_get_nameunit(sbp->fd.dev), 2497 cam_sim_path(sbp->sim), 2498 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2499#if defined(__FreeBSD__) && __FreeBSD_version >= 500000 2500 (uintmax_t) 2501#endif 2502 ccg->volume_size); 2503END_DEBUG 2504 2505#if defined(__DragonFly__) || __FreeBSD_version < 501100 2506 size_mb = ccg->volume_size 2507 / ((1024L * 1024L) / ccg->block_size); 2508 2509 if (size_mb > 1024 && extended) { 2510 ccg->heads = 255; 2511 ccg->secs_per_track = 63; 2512 } else { 2513 ccg->heads = 64; 2514 ccg->secs_per_track = 32; 2515 } 2516 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 2517 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 2518 ccb->ccb_h.status = CAM_REQ_CMP; 2519#else 2520 cam_calc_geometry(ccg, /*extended*/1); 2521#endif 2522 xpt_done(ccb); 2523 break; 2524 } 2525 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 2526 { 2527 2528SBP_DEBUG(1) 2529 printf("%s:%d:XPT_RESET_BUS: \n", 2530 device_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim)); 2531END_DEBUG 2532 2533 ccb->ccb_h.status = CAM_REQ_INVALID; 2534 xpt_done(ccb); 2535 break; 2536 } 2537 case XPT_PATH_INQ: /* Path routing inquiry */ 2538 { 2539 struct ccb_pathinq *cpi = &ccb->cpi; 2540 2541SBP_DEBUG(1) 2542 printf("%s:%d:%d XPT_PATH_INQ:.\n", 2543 device_get_nameunit(sbp->fd.dev), 2544 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2545END_DEBUG 2546 cpi->version_num = 1; /* XXX??? */ 2547 cpi->hba_inquiry = PI_TAG_ABLE; 2548 cpi->target_sprt = 0; 2549 cpi->hba_misc = PIM_NOBUSRESET | PIM_NO_6_BYTE; 2550 cpi->hba_eng_cnt = 0; 2551 cpi->max_target = SBP_NUM_TARGETS - 1; 2552 cpi->max_lun = SBP_NUM_LUNS - 1; 2553 cpi->initiator_id = SBP_INITIATOR; 2554 cpi->bus_id = sim->bus_id; 2555 cpi->base_transfer_speed = 400 * 1000 / 8; 2556 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 2557 strlcpy(cpi->hba_vid, "SBP", HBA_IDLEN); 2558 strlcpy(cpi->dev_name, sim->sim_name, DEV_IDLEN); 2559 cpi->unit_number = sim->unit_number; 2560 cpi->transport = XPORT_SPI; /* XX should have a FireWire */ 2561 cpi->transport_version = 2; 2562 cpi->protocol = PROTO_SCSI; 2563 cpi->protocol_version = SCSI_REV_2; 2564 2565 cpi->ccb_h.status = CAM_REQ_CMP; 2566 xpt_done(ccb); 2567 break; 2568 } 2569 case XPT_GET_TRAN_SETTINGS: 2570 { 2571 struct ccb_trans_settings *cts = &ccb->cts; 2572 struct ccb_trans_settings_scsi *scsi = 2573 &cts->proto_specific.scsi; 2574 struct ccb_trans_settings_spi *spi = 2575 &cts->xport_specific.spi; 2576 2577 cts->protocol = PROTO_SCSI; 2578 cts->protocol_version = SCSI_REV_2; 2579 cts->transport = XPORT_SPI; /* should have a FireWire */ 2580 cts->transport_version = 2; 2581 spi->valid = CTS_SPI_VALID_DISC; 2582 spi->flags = CTS_SPI_FLAGS_DISC_ENB; 2583 scsi->valid = CTS_SCSI_VALID_TQ; 2584 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; 2585SBP_DEBUG(1) 2586 printf("%s:%d:%d XPT_GET_TRAN_SETTINGS:.\n", 2587 device_get_nameunit(sbp->fd.dev), 2588 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2589END_DEBUG 2590 cts->ccb_h.status = CAM_REQ_CMP; 2591 xpt_done(ccb); 2592 break; 2593 } 2594 case XPT_ABORT: 2595 ccb->ccb_h.status = CAM_UA_ABORT; 2596 xpt_done(ccb); 2597 break; 2598 case XPT_SET_TRAN_SETTINGS: 2599 /* XXX */ 2600 default: 2601 ccb->ccb_h.status = CAM_REQ_INVALID; 2602 xpt_done(ccb); 2603 break; 2604 } 2605 return; 2606} 2607 2608static void 2609sbp_execute_ocb(void *arg, bus_dma_segment_t *segments, int seg, int error) 2610{ 2611 int i; 2612 struct sbp_ocb *ocb; 2613 struct sbp_ocb *prev; 2614 bus_dma_segment_t *s; 2615 2616 if (error) 2617 printf("sbp_execute_ocb: error=%d\n", error); 2618 2619 ocb = (struct sbp_ocb *)arg; 2620 2621SBP_DEBUG(2) 2622 printf("sbp_execute_ocb: seg %d", seg); 2623 for (i = 0; i < seg; i++) 2624#if defined(__DragonFly__) || __FreeBSD_version < 500000 2625 printf(", %x:%d", segments[i].ds_addr, segments[i].ds_len); 2626#else 2627 printf(", %jx:%jd", (uintmax_t)segments[i].ds_addr, 2628 (uintmax_t)segments[i].ds_len); 2629#endif 2630 printf("\n"); 2631END_DEBUG 2632 2633 if (seg == 1) { 2634 /* direct pointer */ 2635 s = &segments[0]; 2636 if (s->ds_len > SBP_SEG_MAX) 2637 panic("ds_len > SBP_SEG_MAX, fix busdma code"); 2638 ocb->orb[3] = htonl(s->ds_addr); 2639 ocb->orb[4] |= htonl(s->ds_len); 2640 } else if(seg > 1) { 2641 /* page table */ 2642 for (i = 0; i < seg; i++) { 2643 s = &segments[i]; 2644SBP_DEBUG(0) 2645 /* XXX LSI Logic "< 16 byte" bug might be hit */ 2646 if (s->ds_len < 16) 2647 printf("sbp_execute_ocb: warning, " 2648#if defined(__DragonFly__) || __FreeBSD_version < 500000 2649 "segment length(%d) is less than 16." 2650#else 2651 "segment length(%zd) is less than 16." 2652#endif 2653 "(seg=%d/%d)\n", (size_t)s->ds_len, i+1, seg); 2654END_DEBUG 2655 if (s->ds_len > SBP_SEG_MAX) 2656 panic("ds_len > SBP_SEG_MAX, fix busdma code"); 2657 ocb->ind_ptr[i].hi = htonl(s->ds_len << 16); 2658 ocb->ind_ptr[i].lo = htonl(s->ds_addr); 2659 } 2660 ocb->orb[4] |= htonl(ORB_CMD_PTBL | seg); 2661 } 2662 2663 if (seg > 0) 2664 bus_dmamap_sync(ocb->sdev->target->sbp->dmat, ocb->dmamap, 2665 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2666 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE); 2667 prev = sbp_enqueue_ocb(ocb->sdev, ocb); 2668 fwdma_sync(&ocb->sdev->dma, BUS_DMASYNC_PREWRITE); 2669 if (use_doorbell) { 2670 if (prev == NULL) { 2671 if (ocb->sdev->last_ocb != NULL) 2672 sbp_doorbell(ocb->sdev); 2673 else 2674 sbp_orb_pointer(ocb->sdev, ocb); 2675 } 2676 } else { 2677 if (prev == NULL || (ocb->sdev->flags & ORB_LINK_DEAD) != 0) { 2678 ocb->sdev->flags &= ~ORB_LINK_DEAD; 2679 sbp_orb_pointer(ocb->sdev, ocb); 2680 } 2681 } 2682} 2683 2684static void 2685sbp_poll(struct cam_sim *sim) 2686{ 2687 struct sbp_softc *sbp; 2688 struct firewire_comm *fc; 2689 2690 sbp = (struct sbp_softc *)sim->softc; 2691 fc = sbp->fd.fc; 2692 2693 fc->poll(fc, 0, -1); 2694 2695 return; 2696} 2697 2698static struct sbp_ocb * 2699sbp_dequeue_ocb(struct sbp_dev *sdev, struct sbp_status *sbp_status) 2700{ 2701 struct sbp_ocb *ocb; 2702 struct sbp_ocb *next; 2703 int order = 0; 2704 2705SBP_DEBUG(1) 2706 device_printf(sdev->target->sbp->fd.dev, 2707#if defined(__DragonFly__) || __FreeBSD_version < 500000 2708 "%s:%s 0x%08lx src %d\n", 2709#else 2710 "%s:%s 0x%08x src %d\n", 2711#endif 2712 __func__, sdev->bustgtlun, ntohl(sbp_status->orb_lo), sbp_status->src); 2713END_DEBUG 2714 SBP_LOCK_ASSERT(sdev->target->sbp); 2715 STAILQ_FOREACH_SAFE(ocb, &sdev->ocbs, ocb, next) { 2716 if (OCB_MATCH(ocb, sbp_status)) { 2717 /* found */ 2718 STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb); 2719 if (ocb->ccb != NULL) 2720 callout_stop(&ocb->timer); 2721 if (ntohl(ocb->orb[4]) & 0xffff) { 2722 bus_dmamap_sync(sdev->target->sbp->dmat, 2723 ocb->dmamap, 2724 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2725 BUS_DMASYNC_POSTREAD : 2726 BUS_DMASYNC_POSTWRITE); 2727 bus_dmamap_unload(sdev->target->sbp->dmat, 2728 ocb->dmamap); 2729 } 2730 if (!use_doorbell) { 2731 if (sbp_status->src == SRC_NO_NEXT) { 2732 if (next != NULL) 2733 sbp_orb_pointer(sdev, next); 2734 else if (order > 0) { 2735 /* 2736 * Unordered execution 2737 * We need to send pointer for 2738 * next ORB 2739 */ 2740 sdev->flags |= ORB_LINK_DEAD; 2741 } 2742 } 2743 } else { 2744 /* 2745 * XXX this is not correct for unordered 2746 * execution. 2747 */ 2748 if (sdev->last_ocb != NULL) { 2749 sbp_free_ocb(sdev, sdev->last_ocb); 2750 } 2751 sdev->last_ocb = ocb; 2752 if (next != NULL && 2753 sbp_status->src == SRC_NO_NEXT) 2754 sbp_doorbell(sdev); 2755 } 2756 break; 2757 } else 2758 order ++; 2759 } 2760SBP_DEBUG(0) 2761 if (ocb && order > 0) { 2762 device_printf(sdev->target->sbp->fd.dev, 2763 "%s:%s unordered execution order:%d\n", 2764 __func__, sdev->bustgtlun, order); 2765 } 2766END_DEBUG 2767 return (ocb); 2768} 2769 2770static struct sbp_ocb * 2771sbp_enqueue_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 2772{ 2773 struct sbp_ocb *prev, *prev2; 2774 2775 SBP_LOCK_ASSERT(sdev->target->sbp); 2776SBP_DEBUG(1) 2777 device_printf(sdev->target->sbp->fd.dev, 2778#if defined(__DragonFly__) || __FreeBSD_version < 500000 2779 "%s:%s 0x%08x\n", __func__, sdev->bustgtlun, ocb->bus_addr); 2780#else 2781 "%s:%s 0x%08jx\n", __func__, sdev->bustgtlun, (uintmax_t)ocb->bus_addr); 2782#endif 2783END_DEBUG 2784 prev2 = prev = STAILQ_LAST(&sdev->ocbs, sbp_ocb, ocb); 2785 STAILQ_INSERT_TAIL(&sdev->ocbs, ocb, ocb); 2786 2787 if (ocb->ccb != NULL) { 2788 callout_reset_sbt(&ocb->timer, 2789 SBT_1MS * ocb->ccb->ccb_h.timeout, 0, sbp_timeout, 2790 ocb, 0); 2791 } 2792 2793 if (use_doorbell && prev == NULL) 2794 prev2 = sdev->last_ocb; 2795 2796 if (prev2 != NULL && (ocb->sdev->flags & ORB_LINK_DEAD) == 0) { 2797SBP_DEBUG(1) 2798#if defined(__DragonFly__) || __FreeBSD_version < 500000 2799 printf("linking chain 0x%x -> 0x%x\n", 2800 prev2->bus_addr, ocb->bus_addr); 2801#else 2802 printf("linking chain 0x%jx -> 0x%jx\n", 2803 (uintmax_t)prev2->bus_addr, (uintmax_t)ocb->bus_addr); 2804#endif 2805END_DEBUG 2806 /* 2807 * Suppress compiler optimization so that orb[1] must be written first. 2808 * XXX We may need an explicit memory barrier for other architectures 2809 * other than i386/amd64. 2810 */ 2811 *(volatile uint32_t *)&prev2->orb[1] = htonl(ocb->bus_addr); 2812 *(volatile uint32_t *)&prev2->orb[0] = 0; 2813 } 2814 2815 return prev; 2816} 2817 2818static struct sbp_ocb * 2819sbp_get_ocb(struct sbp_dev *sdev) 2820{ 2821 struct sbp_ocb *ocb; 2822 2823 SBP_LOCK_ASSERT(sdev->target->sbp); 2824 ocb = STAILQ_FIRST(&sdev->free_ocbs); 2825 if (ocb == NULL) { 2826 sdev->flags |= ORB_SHORTAGE; 2827 printf("ocb shortage!!!\n"); 2828 return NULL; 2829 } 2830 STAILQ_REMOVE_HEAD(&sdev->free_ocbs, ocb); 2831 ocb->ccb = NULL; 2832 return (ocb); 2833} 2834 2835static void 2836sbp_free_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 2837{ 2838 ocb->flags = 0; 2839 ocb->ccb = NULL; 2840 2841 SBP_LOCK_ASSERT(sdev->target->sbp); 2842 STAILQ_INSERT_TAIL(&sdev->free_ocbs, ocb, ocb); 2843 if ((sdev->flags & ORB_SHORTAGE) != 0) { 2844 int count; 2845 2846 sdev->flags &= ~ORB_SHORTAGE; 2847 count = sdev->freeze; 2848 sdev->freeze = 0; 2849 xpt_release_devq(sdev->path, count, TRUE); 2850 } 2851} 2852 2853static void 2854sbp_abort_ocb(struct sbp_ocb *ocb, int status) 2855{ 2856 struct sbp_dev *sdev; 2857 2858 sdev = ocb->sdev; 2859 SBP_LOCK_ASSERT(sdev->target->sbp); 2860SBP_DEBUG(0) 2861 device_printf(sdev->target->sbp->fd.dev, 2862#if defined(__DragonFly__) || __FreeBSD_version < 500000 2863 "%s:%s 0x%x\n", __func__, sdev->bustgtlun, ocb->bus_addr); 2864#else 2865 "%s:%s 0x%jx\n", __func__, sdev->bustgtlun, (uintmax_t)ocb->bus_addr); 2866#endif 2867END_DEBUG 2868SBP_DEBUG(1) 2869 if (ocb->ccb != NULL) 2870 sbp_print_scsi_cmd(ocb); 2871END_DEBUG 2872 if (ntohl(ocb->orb[4]) & 0xffff) { 2873 bus_dmamap_sync(sdev->target->sbp->dmat, ocb->dmamap, 2874 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2875 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 2876 bus_dmamap_unload(sdev->target->sbp->dmat, ocb->dmamap); 2877 } 2878 if (ocb->ccb != NULL) { 2879 callout_stop(&ocb->timer); 2880 ocb->ccb->ccb_h.status = status; 2881 xpt_done(ocb->ccb); 2882 } 2883 sbp_free_ocb(sdev, ocb); 2884} 2885 2886static void 2887sbp_abort_all_ocbs(struct sbp_dev *sdev, int status) 2888{ 2889 struct sbp_ocb *ocb, *next; 2890 STAILQ_HEAD(, sbp_ocb) temp; 2891 2892 STAILQ_INIT(&temp); 2893 SBP_LOCK_ASSERT(sdev->target->sbp); 2894 STAILQ_CONCAT(&temp, &sdev->ocbs); 2895 STAILQ_INIT(&sdev->ocbs); 2896 2897 STAILQ_FOREACH_SAFE(ocb, &temp, ocb, next) { 2898 sbp_abort_ocb(ocb, status); 2899 } 2900 if (sdev->last_ocb != NULL) { 2901 sbp_free_ocb(sdev, sdev->last_ocb); 2902 sdev->last_ocb = NULL; 2903 } 2904} 2905 2906static devclass_t sbp_devclass; 2907 2908static device_method_t sbp_methods[] = { 2909 /* device interface */ 2910 DEVMETHOD(device_identify, sbp_identify), 2911 DEVMETHOD(device_probe, sbp_probe), 2912 DEVMETHOD(device_attach, sbp_attach), 2913 DEVMETHOD(device_detach, sbp_detach), 2914 DEVMETHOD(device_shutdown, sbp_shutdown), 2915 2916 { 0, 0 } 2917}; 2918 2919static driver_t sbp_driver = { 2920 "sbp", 2921 sbp_methods, 2922 sizeof(struct sbp_softc), 2923}; 2924#ifdef __DragonFly__ 2925DECLARE_DUMMY_MODULE(sbp); 2926#endif 2927DRIVER_MODULE(sbp, firewire, sbp_driver, sbp_devclass, 0, 0); 2928MODULE_VERSION(sbp, 1); 2929MODULE_DEPEND(sbp, firewire, 1, 1, 1); 2930MODULE_DEPEND(sbp, cam, 1, 1, 1); 2931