sbp.c revision 170374
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: head/sys/dev/firewire/sbp.c 170374 2007-06-06 14:31:36Z 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/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); 135SYSCTL_NODE(_hw_firewire, OID_AUTO, sbp, CTLFLAG_RD, 0, "SBP-II Subsystem"); 136SYSCTL_INT(_debug, OID_AUTO, sbp_debug, CTLFLAG_RW, &debug, 0, 137 "SBP debug flag"); 138SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, auto_login, CTLFLAG_RW, &auto_login, 0, 139 "SBP perform login automatically"); 140SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, max_speed, CTLFLAG_RW, &max_speed, 0, 141 "SBP transfer max speed"); 142SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, exclusive_login, CTLFLAG_RW, 143 &ex_login, 0, "SBP enable exclusive login"); 144SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, login_delay, CTLFLAG_RW, 145 &login_delay, 0, "SBP login delay in msec"); 146SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, scan_delay, CTLFLAG_RW, 147 &scan_delay, 0, "SBP scan delay in msec"); 148SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, use_doorbell, CTLFLAG_RW, 149 &use_doorbell, 0, "SBP use doorbell request"); 150SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, tags, CTLFLAG_RW, &sbp_tags, 0, 151 "SBP tagged queuing support"); 152 153TUNABLE_INT("hw.firewire.sbp.auto_login", &auto_login); 154TUNABLE_INT("hw.firewire.sbp.max_speed", &max_speed); 155TUNABLE_INT("hw.firewire.sbp.exclusive_login", &ex_login); 156TUNABLE_INT("hw.firewire.sbp.login_delay", &login_delay); 157TUNABLE_INT("hw.firewire.sbp.scan_delay", &scan_delay); 158TUNABLE_INT("hw.firewire.sbp.use_doorbell", &use_doorbell); 159TUNABLE_INT("hw.firewire.sbp.tags", &sbp_tags); 160 161#define NEED_RESPONSE 0 162 163#define SBP_SEG_MAX rounddown(0xffff, PAGE_SIZE) 164#ifdef __sparc64__ /* iommu */ 165#define SBP_IND_MAX howmany(SBP_MAXPHYS, SBP_SEG_MAX) 166#else 167#define SBP_IND_MAX howmany(SBP_MAXPHYS, PAGE_SIZE) 168#endif 169struct sbp_ocb { 170 STAILQ_ENTRY(sbp_ocb) ocb; 171 union ccb *ccb; 172 bus_addr_t bus_addr; 173 uint32_t orb[8]; 174#define IND_PTR_OFFSET (8*sizeof(uint32_t)) 175 struct ind_ptr ind_ptr[SBP_IND_MAX]; 176 struct sbp_dev *sdev; 177 int flags; /* XXX should be removed */ 178 bus_dmamap_t dmamap; 179}; 180 181#define OCB_ACT_MGM 0 182#define OCB_ACT_CMD 1 183#define OCB_MATCH(o,s) ((o)->bus_addr == ntohl((s)->orb_lo)) 184 185struct sbp_dev{ 186#define SBP_DEV_RESET 0 /* accept login */ 187#define SBP_DEV_LOGIN 1 /* to login */ 188#if 0 189#define SBP_DEV_RECONN 2 /* to reconnect */ 190#endif 191#define SBP_DEV_TOATTACH 3 /* to attach */ 192#define SBP_DEV_PROBE 4 /* scan lun */ 193#define SBP_DEV_ATTACHED 5 /* in operation */ 194#define SBP_DEV_DEAD 6 /* unavailable unit */ 195#define SBP_DEV_RETRY 7 /* unavailable unit */ 196 uint8_t status:4, 197 timeout:4; 198 uint8_t type; 199 uint16_t lun_id; 200 uint16_t freeze; 201#define ORB_LINK_DEAD (1 << 0) 202#define VALID_LUN (1 << 1) 203#define ORB_POINTER_ACTIVE (1 << 2) 204#define ORB_POINTER_NEED (1 << 3) 205#define ORB_DOORBELL_ACTIVE (1 << 4) 206#define ORB_DOORBELL_NEED (1 << 5) 207#define ORB_SHORTAGE (1 << 6) 208 uint16_t flags; 209 struct cam_path *path; 210 struct sbp_target *target; 211 struct fwdma_alloc dma; 212 struct sbp_login_res *login; 213 struct callout login_callout; 214 struct sbp_ocb *ocb; 215 STAILQ_HEAD(, sbp_ocb) ocbs; 216 STAILQ_HEAD(, sbp_ocb) free_ocbs; 217 struct sbp_ocb *last_ocb; 218 char vendor[32]; 219 char product[32]; 220 char revision[10]; 221}; 222 223struct sbp_target { 224 int target_id; 225 int num_lun; 226 struct sbp_dev **luns; 227 struct sbp_softc *sbp; 228 struct fw_device *fwdev; 229 uint32_t mgm_hi, mgm_lo; 230 struct sbp_ocb *mgm_ocb_cur; 231 STAILQ_HEAD(, sbp_ocb) mgm_ocb_queue; 232 struct callout mgm_ocb_timeout; 233 struct callout scan_callout; 234 STAILQ_HEAD(, fw_xfer) xferlist; 235 int n_xfer; 236}; 237 238struct sbp_softc { 239 struct firewire_dev_comm fd; 240 struct cam_sim *sim; 241 struct cam_path *path; 242 struct sbp_target targets[SBP_NUM_TARGETS]; 243 struct fw_bind fwb; 244 bus_dma_tag_t dmat; 245 struct timeval last_busreset; 246#define SIMQ_FREEZED 1 247 int flags; 248 struct mtx mtx; 249}; 250#define SBP_LOCK(sbp) mtx_lock(&(sbp)->mtx) 251#define SBP_UNLOCK(sbp) mtx_unlock(&(sbp)->mtx) 252 253static void sbp_post_explore (void *); 254static void sbp_recv (struct fw_xfer *); 255static void sbp_mgm_callback (struct fw_xfer *); 256#if 0 257static void sbp_cmd_callback (struct fw_xfer *); 258#endif 259static void sbp_orb_pointer (struct sbp_dev *, struct sbp_ocb *); 260static void sbp_doorbell(struct sbp_dev *); 261static void sbp_execute_ocb (void *, bus_dma_segment_t *, int, int); 262static void sbp_free_ocb (struct sbp_dev *, struct sbp_ocb *); 263static void sbp_abort_ocb (struct sbp_ocb *, int); 264static void sbp_abort_all_ocbs (struct sbp_dev *, int); 265static struct fw_xfer * sbp_write_cmd (struct sbp_dev *, int, int); 266static struct sbp_ocb * sbp_get_ocb (struct sbp_dev *); 267static struct sbp_ocb * sbp_enqueue_ocb (struct sbp_dev *, struct sbp_ocb *); 268static struct sbp_ocb * sbp_dequeue_ocb (struct sbp_dev *, struct sbp_status *); 269static void sbp_cam_detach_sdev(struct sbp_dev *); 270static void sbp_free_sdev(struct sbp_dev *); 271static void sbp_cam_detach_target (struct sbp_target *); 272static void sbp_free_target (struct sbp_target *); 273static void sbp_mgm_timeout (void *arg); 274static void sbp_timeout (void *arg); 275static void sbp_mgm_orb (struct sbp_dev *, int, struct sbp_ocb *); 276 277MALLOC_DEFINE(M_SBP, "sbp", "SBP-II/FireWire"); 278 279/* cam related functions */ 280static void sbp_action(struct cam_sim *sim, union ccb *ccb); 281static void sbp_poll(struct cam_sim *sim); 282static void sbp_cam_scan_lun(struct cam_periph *, union ccb *); 283static void sbp_cam_scan_target(void *arg); 284 285static char *orb_status0[] = { 286 /* 0 */ "No additional information to report", 287 /* 1 */ "Request type not supported", 288 /* 2 */ "Speed not supported", 289 /* 3 */ "Page size not supported", 290 /* 4 */ "Access denied", 291 /* 5 */ "Logical unit not supported", 292 /* 6 */ "Maximum payload too small", 293 /* 7 */ "Reserved for future standardization", 294 /* 8 */ "Resources unavailable", 295 /* 9 */ "Function rejected", 296 /* A */ "Login ID not recognized", 297 /* B */ "Dummy ORB completed", 298 /* C */ "Request aborted", 299 /* FF */ "Unspecified error" 300#define MAX_ORB_STATUS0 0xd 301}; 302 303static char *orb_status1_object[] = { 304 /* 0 */ "Operation request block (ORB)", 305 /* 1 */ "Data buffer", 306 /* 2 */ "Page table", 307 /* 3 */ "Unable to specify" 308}; 309 310static char *orb_status1_serial_bus_error[] = { 311 /* 0 */ "Missing acknowledge", 312 /* 1 */ "Reserved; not to be used", 313 /* 2 */ "Time-out error", 314 /* 3 */ "Reserved; not to be used", 315 /* 4 */ "Busy retry limit exceeded(X)", 316 /* 5 */ "Busy retry limit exceeded(A)", 317 /* 6 */ "Busy retry limit exceeded(B)", 318 /* 7 */ "Reserved for future standardization", 319 /* 8 */ "Reserved for future standardization", 320 /* 9 */ "Reserved for future standardization", 321 /* A */ "Reserved for future standardization", 322 /* B */ "Tardy retry limit exceeded", 323 /* C */ "Conflict error", 324 /* D */ "Data error", 325 /* E */ "Type error", 326 /* F */ "Address error" 327}; 328 329static void 330sbp_identify(driver_t *driver, device_t parent) 331{ 332 device_t child; 333SBP_DEBUG(0) 334 printf("sbp_identify\n"); 335END_DEBUG 336 337 child = BUS_ADD_CHILD(parent, 0, "sbp", device_get_unit(parent)); 338} 339 340/* 341 * sbp_probe() 342 */ 343static int 344sbp_probe(device_t dev) 345{ 346 device_t pa; 347 348SBP_DEBUG(0) 349 printf("sbp_probe\n"); 350END_DEBUG 351 352 pa = device_get_parent(dev); 353 if(device_get_unit(dev) != device_get_unit(pa)){ 354 return(ENXIO); 355 } 356 357 device_set_desc(dev, "SBP-2/SCSI over FireWire"); 358 359#if 0 360 if (bootverbose) 361 debug = bootverbose; 362#endif 363 364 return (0); 365} 366 367static void 368sbp_show_sdev_info(struct sbp_dev *sdev, int new) 369{ 370 struct fw_device *fwdev; 371 372 printf("%s:%d:%d ", 373 device_get_nameunit(sdev->target->sbp->fd.dev), 374 sdev->target->target_id, 375 sdev->lun_id 376 ); 377 if (new == 2) { 378 return; 379 } 380 fwdev = sdev->target->fwdev; 381 printf("ordered:%d type:%d EUI:%08x%08x node:%d " 382 "speed:%d maxrec:%d", 383 (sdev->type & 0x40) >> 6, 384 (sdev->type & 0x1f), 385 fwdev->eui.hi, 386 fwdev->eui.lo, 387 fwdev->dst, 388 fwdev->speed, 389 fwdev->maxrec 390 ); 391 if (new) 392 printf(" new!\n"); 393 else 394 printf("\n"); 395 sbp_show_sdev_info(sdev, 2); 396 printf("'%s' '%s' '%s'\n", sdev->vendor, sdev->product, sdev->revision); 397} 398 399static struct { 400 int bus; 401 int target; 402 struct fw_eui64 eui; 403} wired[] = { 404 /* Bus Target EUI64 */ 405#if 0 406 {0, 2, {0x00018ea0, 0x01fd0154}}, /* Logitec HDD */ 407 {0, 0, {0x00018ea6, 0x00100682}}, /* Logitec DVD */ 408 {0, 1, {0x00d03200, 0xa412006a}}, /* Yano HDD */ 409#endif 410 {-1, -1, {0,0}} 411}; 412 413static int 414sbp_new_target(struct sbp_softc *sbp, struct fw_device *fwdev) 415{ 416 int bus, i, target=-1; 417 char w[SBP_NUM_TARGETS]; 418 419 bzero(w, sizeof(w)); 420 bus = device_get_unit(sbp->fd.dev); 421 422 /* XXX wired-down configuration should be gotten from 423 tunable or device hint */ 424 for (i = 0; wired[i].bus >= 0; i ++) { 425 if (wired[i].bus == bus) { 426 w[wired[i].target] = 1; 427 if (wired[i].eui.hi == fwdev->eui.hi && 428 wired[i].eui.lo == fwdev->eui.lo) 429 target = wired[i].target; 430 } 431 } 432 if (target >= 0) { 433 if(target < SBP_NUM_TARGETS && 434 sbp->targets[target].fwdev == NULL) 435 return(target); 436 device_printf(sbp->fd.dev, 437 "target %d is not free for %08x:%08x\n", 438 target, fwdev->eui.hi, fwdev->eui.lo); 439 target = -1; 440 } 441 /* non-wired target */ 442 for (i = 0; i < SBP_NUM_TARGETS; i ++) 443 if (sbp->targets[i].fwdev == NULL && w[i] == 0) { 444 target = i; 445 break; 446 } 447 448 return target; 449} 450 451static void 452sbp_alloc_lun(struct sbp_target *target) 453{ 454 struct crom_context cc; 455 struct csrreg *reg; 456 struct sbp_dev *sdev, **newluns; 457 struct sbp_softc *sbp; 458 int maxlun, lun, i; 459 460 sbp = target->sbp; 461 crom_init_context(&cc, target->fwdev->csrrom); 462 /* XXX shoud parse appropriate unit directories only */ 463 maxlun = -1; 464 while (cc.depth >= 0) { 465 reg = crom_search_key(&cc, CROM_LUN); 466 if (reg == NULL) 467 break; 468 lun = reg->val & 0xffff; 469SBP_DEBUG(0) 470 printf("target %d lun %d found\n", target->target_id, lun); 471END_DEBUG 472 if (maxlun < lun) 473 maxlun = lun; 474 crom_next(&cc); 475 } 476 if (maxlun < 0) 477 printf("%s:%d no LUN found\n", 478 device_get_nameunit(target->sbp->fd.dev), 479 target->target_id); 480 481 maxlun ++; 482 if (maxlun >= SBP_NUM_LUNS) 483 maxlun = SBP_NUM_LUNS; 484 485 /* Invalidiate stale devices */ 486 for (lun = 0; lun < target->num_lun; lun ++) { 487 sdev = target->luns[lun]; 488 if (sdev == NULL) 489 continue; 490 sdev->flags &= ~VALID_LUN; 491 if (lun >= maxlun) { 492 /* lost device */ 493 sbp_cam_detach_sdev(sdev); 494 sbp_free_sdev(sdev); 495 } 496 } 497 498 /* Reallocate */ 499 if (maxlun != target->num_lun) { 500 newluns = (struct sbp_dev **) realloc(target->luns, 501 sizeof(struct sbp_dev *) * maxlun, 502 M_SBP, M_NOWAIT | M_ZERO); 503 504 if (newluns == NULL) { 505 printf("%s: realloc failed\n", __func__); 506 newluns = target->luns; 507 maxlun = target->num_lun; 508 } 509 510 /* 511 * We must zero the extended region for the case 512 * realloc() doesn't allocate new buffer. 513 */ 514 if (maxlun > target->num_lun) 515 bzero(&newluns[target->num_lun], 516 sizeof(struct sbp_dev *) * 517 (maxlun - target->num_lun)); 518 519 target->luns = newluns; 520 target->num_lun = maxlun; 521 } 522 523 crom_init_context(&cc, target->fwdev->csrrom); 524 while (cc.depth >= 0) { 525 int new = 0; 526 527 reg = crom_search_key(&cc, CROM_LUN); 528 if (reg == NULL) 529 break; 530 lun = reg->val & 0xffff; 531 if (lun >= SBP_NUM_LUNS) { 532 printf("too large lun %d\n", lun); 533 goto next; 534 } 535 536 sdev = target->luns[lun]; 537 if (sdev == NULL) { 538 sdev = malloc(sizeof(struct sbp_dev), 539 M_SBP, M_NOWAIT | M_ZERO); 540 if (sdev == NULL) { 541 printf("%s: malloc failed\n", __func__); 542 goto next; 543 } 544 target->luns[lun] = sdev; 545 sdev->lun_id = lun; 546 sdev->target = target; 547 STAILQ_INIT(&sdev->ocbs); 548 CALLOUT_INIT(&sdev->login_callout); 549 sdev->status = SBP_DEV_RESET; 550 new = 1; 551 } 552 sdev->flags |= VALID_LUN; 553 sdev->type = (reg->val & 0xff0000) >> 16; 554 555 if (new == 0) 556 goto next; 557 558 fwdma_malloc(sbp->fd.fc, 559 /* alignment */ sizeof(uint32_t), 560 SBP_DMA_SIZE, &sdev->dma, BUS_DMA_NOWAIT); 561 if (sdev->dma.v_addr == NULL) { 562 printf("%s: dma space allocation failed\n", 563 __func__); 564 free(sdev, M_SBP); 565 target->luns[lun] = NULL; 566 goto next; 567 } 568 sdev->login = (struct sbp_login_res *) sdev->dma.v_addr; 569 sdev->ocb = (struct sbp_ocb *) 570 ((char *)sdev->dma.v_addr + SBP_LOGIN_SIZE); 571 bzero((char *)sdev->ocb, 572 sizeof (struct sbp_ocb) * SBP_QUEUE_LEN); 573 574 STAILQ_INIT(&sdev->free_ocbs); 575 for (i = 0; i < SBP_QUEUE_LEN; i++) { 576 struct sbp_ocb *ocb; 577 ocb = &sdev->ocb[i]; 578 ocb->bus_addr = sdev->dma.bus_addr 579 + SBP_LOGIN_SIZE 580 + sizeof(struct sbp_ocb) * i 581 + offsetof(struct sbp_ocb, orb[0]); 582 if (bus_dmamap_create(sbp->dmat, 0, &ocb->dmamap)) { 583 printf("sbp_attach: cannot create dmamap\n"); 584 /* XXX */ 585 goto next; 586 } 587 sbp_free_ocb(sdev, ocb); 588 } 589next: 590 crom_next(&cc); 591 } 592 593 for (lun = 0; lun < target->num_lun; lun ++) { 594 sdev = target->luns[lun]; 595 if (sdev != NULL && (sdev->flags & VALID_LUN) == 0) { 596 sbp_cam_detach_sdev(sdev); 597 sbp_free_sdev(sdev); 598 target->luns[lun] = NULL; 599 } 600 } 601} 602 603static struct sbp_target * 604sbp_alloc_target(struct sbp_softc *sbp, struct fw_device *fwdev) 605{ 606 int i; 607 struct sbp_target *target; 608 struct crom_context cc; 609 struct csrreg *reg; 610 611SBP_DEBUG(1) 612 printf("sbp_alloc_target\n"); 613END_DEBUG 614 i = sbp_new_target(sbp, fwdev); 615 if (i < 0) { 616 device_printf(sbp->fd.dev, "increase SBP_NUM_TARGETS!\n"); 617 return NULL; 618 } 619 /* new target */ 620 target = &sbp->targets[i]; 621 target->sbp = sbp; 622 target->fwdev = fwdev; 623 target->target_id = i; 624 /* XXX we may want to reload mgm port after each bus reset */ 625 /* XXX there might be multiple management agents */ 626 crom_init_context(&cc, target->fwdev->csrrom); 627 reg = crom_search_key(&cc, CROM_MGM); 628 if (reg == NULL || reg->val == 0) { 629 printf("NULL management address\n"); 630 target->fwdev = NULL; 631 return NULL; 632 } 633 target->mgm_hi = 0xffff; 634 target->mgm_lo = 0xf0000000 | (reg->val << 2); 635 target->mgm_ocb_cur = NULL; 636SBP_DEBUG(1) 637 printf("target:%d mgm_port: %x\n", i, target->mgm_lo); 638END_DEBUG 639 STAILQ_INIT(&target->xferlist); 640 target->n_xfer = 0; 641 STAILQ_INIT(&target->mgm_ocb_queue); 642 CALLOUT_INIT(&target->mgm_ocb_timeout); 643 CALLOUT_INIT(&target->scan_callout); 644 645 target->luns = NULL; 646 target->num_lun = 0; 647 return target; 648} 649 650static void 651sbp_probe_lun(struct sbp_dev *sdev) 652{ 653 struct fw_device *fwdev; 654 struct crom_context c, *cc = &c; 655 struct csrreg *reg; 656 657 bzero(sdev->vendor, sizeof(sdev->vendor)); 658 bzero(sdev->product, sizeof(sdev->product)); 659 660 fwdev = sdev->target->fwdev; 661 crom_init_context(cc, fwdev->csrrom); 662 /* get vendor string */ 663 crom_search_key(cc, CSRKEY_VENDOR); 664 crom_next(cc); 665 crom_parse_text(cc, sdev->vendor, sizeof(sdev->vendor)); 666 /* skip to the unit directory for SBP-2 */ 667 while ((reg = crom_search_key(cc, CSRKEY_VER)) != NULL) { 668 if (reg->val == CSRVAL_T10SBP2) 669 break; 670 crom_next(cc); 671 } 672 /* get firmware revision */ 673 reg = crom_search_key(cc, CSRKEY_FIRM_VER); 674 if (reg != NULL) 675 snprintf(sdev->revision, sizeof(sdev->revision), 676 "%06x", reg->val); 677 /* get product string */ 678 crom_search_key(cc, CSRKEY_MODEL); 679 crom_next(cc); 680 crom_parse_text(cc, sdev->product, sizeof(sdev->product)); 681} 682 683static void 684sbp_login_callout(void *arg) 685{ 686 struct sbp_dev *sdev = (struct sbp_dev *)arg; 687 sbp_mgm_orb(sdev, ORB_FUN_LGI, NULL); 688} 689 690static void 691sbp_login(struct sbp_dev *sdev) 692{ 693 struct timeval delta; 694 struct timeval t; 695 int ticks = 0; 696 697 microtime(&delta); 698 timevalsub(&delta, &sdev->target->sbp->last_busreset); 699 t.tv_sec = login_delay / 1000; 700 t.tv_usec = (login_delay % 1000) * 1000; 701 timevalsub(&t, &delta); 702 if (t.tv_sec >= 0 && t.tv_usec > 0) 703 ticks = (t.tv_sec * 1000 + t.tv_usec / 1000) * hz / 1000; 704SBP_DEBUG(0) 705 printf("%s: sec = %jd usec = %ld ticks = %d\n", __func__, 706 (intmax_t)t.tv_sec, t.tv_usec, ticks); 707END_DEBUG 708 callout_reset(&sdev->login_callout, ticks, 709 sbp_login_callout, (void *)(sdev)); 710} 711 712#define SBP_FWDEV_ALIVE(fwdev) (((fwdev)->status == FWDEVATTACHED) \ 713 && crom_has_specver((fwdev)->csrrom, CSRVAL_ANSIT10, CSRVAL_T10SBP2)) 714 715static void 716sbp_probe_target(void *arg) 717{ 718 struct sbp_target *target = (struct sbp_target *)arg; 719 struct sbp_softc *sbp; 720 struct sbp_dev *sdev; 721 struct firewire_comm *fc; 722 int i, alive; 723 724 alive = SBP_FWDEV_ALIVE(target->fwdev); 725SBP_DEBUG(1) 726 printf("sbp_probe_target %d\n", target->target_id); 727 if (!alive) 728 printf("not alive\n"); 729END_DEBUG 730 731 sbp = target->sbp; 732 fc = target->sbp->fd.fc; 733 sbp_alloc_lun(target); 734 735 /* XXX untimeout mgm_ocb and dequeue */ 736 for (i=0; i < target->num_lun; i++) { 737 sdev = target->luns[i]; 738 if (sdev == NULL) 739 continue; 740 if (alive && (sdev->status != SBP_DEV_DEAD)) { 741 if (sdev->path != NULL) { 742 SBP_LOCK(sbp); 743 xpt_freeze_devq(sdev->path, 1); 744 sdev->freeze ++; 745 SBP_UNLOCK(sbp); 746 } 747 sbp_probe_lun(sdev); 748SBP_DEBUG(0) 749 sbp_show_sdev_info(sdev, 750 (sdev->status == SBP_DEV_RESET)); 751END_DEBUG 752 753 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET); 754 switch (sdev->status) { 755 case SBP_DEV_RESET: 756 /* new or revived target */ 757 if (auto_login) 758 sbp_login(sdev); 759 break; 760 case SBP_DEV_TOATTACH: 761 case SBP_DEV_PROBE: 762 case SBP_DEV_ATTACHED: 763 case SBP_DEV_RETRY: 764 default: 765 sbp_mgm_orb(sdev, ORB_FUN_RCN, NULL); 766 break; 767 } 768 } else { 769 switch (sdev->status) { 770 case SBP_DEV_ATTACHED: 771SBP_DEBUG(0) 772 /* the device has gone */ 773 sbp_show_sdev_info(sdev, 2); 774 printf("lost target\n"); 775END_DEBUG 776 if (sdev->path) { 777 SBP_LOCK(sbp); 778 xpt_freeze_devq(sdev->path, 1); 779 sdev->freeze ++; 780 SBP_UNLOCK(sbp); 781 } 782 sdev->status = SBP_DEV_RETRY; 783 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET); 784 break; 785 case SBP_DEV_PROBE: 786 case SBP_DEV_TOATTACH: 787 sdev->status = SBP_DEV_RESET; 788 break; 789 case SBP_DEV_RETRY: 790 case SBP_DEV_RESET: 791 case SBP_DEV_DEAD: 792 break; 793 } 794 } 795 } 796} 797 798static void 799sbp_post_busreset(void *arg) 800{ 801 struct sbp_softc *sbp; 802 803 sbp = (struct sbp_softc *)arg; 804SBP_DEBUG(0) 805 printf("sbp_post_busreset\n"); 806END_DEBUG 807 if ((sbp->sim->flags & SIMQ_FREEZED) == 0) { 808 SBP_LOCK(sbp); 809 xpt_freeze_simq(sbp->sim, /*count*/1); 810 sbp->sim->flags |= SIMQ_FREEZED; 811 SBP_UNLOCK(sbp); 812 } 813 microtime(&sbp->last_busreset); 814} 815 816static void 817sbp_post_explore(void *arg) 818{ 819 struct sbp_softc *sbp = (struct sbp_softc *)arg; 820 struct sbp_target *target; 821 struct fw_device *fwdev; 822 int i, alive; 823 824SBP_DEBUG(0) 825 printf("sbp_post_explore (sbp_cold=%d)\n", sbp_cold); 826END_DEBUG 827 if (sbp_cold > 0) 828 sbp_cold --; 829 830#if 0 831 /* 832 * XXX don't let CAM the bus rest. 833 * CAM tries to do something with freezed (DEV_RETRY) devices. 834 */ 835 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL); 836#endif 837 838 /* Garbage Collection */ 839 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){ 840 target = &sbp->targets[i]; 841 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) 842 if (target->fwdev == NULL || target->fwdev == fwdev) 843 break; 844 if (fwdev == NULL) { 845 /* device has removed in lower driver */ 846 sbp_cam_detach_target(target); 847 sbp_free_target(target); 848 } 849 } 850 /* traverse device list */ 851 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) { 852SBP_DEBUG(0) 853 printf("sbp_post_explore: EUI:%08x%08x ", 854 fwdev->eui.hi, fwdev->eui.lo); 855 if (fwdev->status != FWDEVATTACHED) 856 printf("not attached, state=%d.\n", fwdev->status); 857 else 858 printf("attached\n"); 859END_DEBUG 860 alive = SBP_FWDEV_ALIVE(fwdev); 861 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){ 862 target = &sbp->targets[i]; 863 if(target->fwdev == fwdev ) { 864 /* known target */ 865 break; 866 } 867 } 868 if(i == SBP_NUM_TARGETS){ 869 if (alive) { 870 /* new target */ 871 target = sbp_alloc_target(sbp, fwdev); 872 if (target == NULL) 873 continue; 874 } else { 875 continue; 876 } 877 } 878 sbp_probe_target((void *)target); 879 if (target->num_lun == 0) 880 sbp_free_target(target); 881 } 882 SBP_LOCK(sbp); 883 xpt_release_simq(sbp->sim, /*run queue*/TRUE); 884 sbp->sim->flags &= ~SIMQ_FREEZED; 885 SBP_UNLOCK(sbp); 886} 887 888#if NEED_RESPONSE 889static void 890sbp_loginres_callback(struct fw_xfer *xfer){ 891 int s; 892 struct sbp_dev *sdev; 893 sdev = (struct sbp_dev *)xfer->sc; 894SBP_DEBUG(1) 895 sbp_show_sdev_info(sdev, 2); 896 printf("sbp_loginres_callback\n"); 897END_DEBUG 898 /* recycle */ 899 s = splfw(); 900 STAILQ_INSERT_TAIL(&sdev->target->sbp->fwb.xferlist, xfer, link); 901 splx(s); 902 return; 903} 904#endif 905 906static __inline void 907sbp_xfer_free(struct fw_xfer *xfer) 908{ 909 struct sbp_dev *sdev; 910 int s; 911 912 sdev = (struct sbp_dev *)xfer->sc; 913 fw_xfer_unload(xfer); 914 s = splfw(); 915 SBP_LOCK(sdev->target->sbp); 916 STAILQ_INSERT_TAIL(&sdev->target->xferlist, xfer, link); 917 SBP_UNLOCK(sdev->target->sbp); 918 splx(s); 919} 920 921static void 922sbp_reset_start_callback(struct fw_xfer *xfer) 923{ 924 struct sbp_dev *tsdev, *sdev = (struct sbp_dev *)xfer->sc; 925 struct sbp_target *target = sdev->target; 926 int i; 927 928 if (xfer->resp != 0) { 929 sbp_show_sdev_info(sdev, 2); 930 printf("sbp_reset_start failed: resp=%d\n", xfer->resp); 931 } 932 933 for (i = 0; i < target->num_lun; i++) { 934 tsdev = target->luns[i]; 935 if (tsdev != NULL && tsdev->status == SBP_DEV_LOGIN) 936 sbp_login(tsdev); 937 } 938} 939 940static void 941sbp_reset_start(struct sbp_dev *sdev) 942{ 943 struct fw_xfer *xfer; 944 struct fw_pkt *fp; 945 946SBP_DEBUG(0) 947 sbp_show_sdev_info(sdev, 2); 948 printf("sbp_reset_start\n"); 949END_DEBUG 950 951 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 952 xfer->hand = sbp_reset_start_callback; 953 fp = &xfer->send.hdr; 954 fp->mode.wreqq.dest_hi = 0xffff; 955 fp->mode.wreqq.dest_lo = 0xf0000000 | RESET_START; 956 fp->mode.wreqq.data = htonl(0xf); 957 fw_asyreq(xfer->fc, -1, xfer); 958} 959 960static void 961sbp_mgm_callback(struct fw_xfer *xfer) 962{ 963 struct sbp_dev *sdev; 964 int resp; 965 966 sdev = (struct sbp_dev *)xfer->sc; 967 968SBP_DEBUG(1) 969 sbp_show_sdev_info(sdev, 2); 970 printf("sbp_mgm_callback\n"); 971END_DEBUG 972 resp = xfer->resp; 973 sbp_xfer_free(xfer); 974#if 0 975 if (resp != 0) { 976 sbp_show_sdev_info(sdev, 2); 977 printf("management ORB failed(%d) ... RESET_START\n", resp); 978 sbp_reset_start(sdev); 979 } 980#endif 981 return; 982} 983 984static struct sbp_dev * 985sbp_next_dev(struct sbp_target *target, int lun) 986{ 987 struct sbp_dev **sdevp; 988 int i; 989 990 for (i = lun, sdevp = &target->luns[lun]; i < target->num_lun; 991 i++, sdevp++) 992 if (*sdevp != NULL && (*sdevp)->status == SBP_DEV_PROBE) 993 return(*sdevp); 994 return(NULL); 995} 996 997#define SCAN_PRI 1 998static void 999sbp_cam_scan_lun(struct cam_periph *periph, union ccb *ccb) 1000{ 1001 struct sbp_target *target; 1002 struct sbp_dev *sdev; 1003 1004 sdev = (struct sbp_dev *) ccb->ccb_h.ccb_sdev_ptr; 1005 target = sdev->target; 1006SBP_DEBUG(0) 1007 sbp_show_sdev_info(sdev, 2); 1008 printf("sbp_cam_scan_lun\n"); 1009END_DEBUG 1010 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1011 sdev->status = SBP_DEV_ATTACHED; 1012 } else { 1013 sbp_show_sdev_info(sdev, 2); 1014 printf("scan failed\n"); 1015 } 1016 sdev = sbp_next_dev(target, sdev->lun_id + 1); 1017 if (sdev == NULL) { 1018 free(ccb, M_SBP); 1019 return; 1020 } 1021 /* reuse ccb */ 1022 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI); 1023 ccb->ccb_h.ccb_sdev_ptr = sdev; 1024 xpt_action(ccb); 1025 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 1026 sdev->freeze = 1; 1027} 1028 1029static void 1030sbp_cam_scan_target(void *arg) 1031{ 1032 struct sbp_target *target = (struct sbp_target *)arg; 1033 struct sbp_dev *sdev; 1034 union ccb *ccb; 1035 1036 sdev = sbp_next_dev(target, 0); 1037 if (sdev == NULL) { 1038 printf("sbp_cam_scan_target: nothing to do for target%d\n", 1039 target->target_id); 1040 return; 1041 } 1042SBP_DEBUG(0) 1043 sbp_show_sdev_info(sdev, 2); 1044 printf("sbp_cam_scan_target\n"); 1045END_DEBUG 1046 ccb = malloc(sizeof(union ccb), M_SBP, M_NOWAIT | M_ZERO); 1047 if (ccb == NULL) { 1048 printf("sbp_cam_scan_target: malloc failed\n"); 1049 return; 1050 } 1051 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI); 1052 ccb->ccb_h.func_code = XPT_SCAN_LUN; 1053 ccb->ccb_h.cbfcnp = sbp_cam_scan_lun; 1054 ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 1055 ccb->crcn.flags = CAM_FLAG_NONE; 1056 ccb->ccb_h.ccb_sdev_ptr = sdev; 1057 1058 /* The scan is in progress now. */ 1059 SBP_LOCK(target->sbp); 1060 xpt_action(ccb); 1061 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 1062 sdev->freeze = 1; 1063 SBP_UNLOCK(target->sbp); 1064} 1065 1066static __inline void 1067sbp_scan_dev(struct sbp_dev *sdev) 1068{ 1069 sdev->status = SBP_DEV_PROBE; 1070 callout_reset(&sdev->target->scan_callout, scan_delay * hz / 1000, 1071 sbp_cam_scan_target, (void *)sdev->target); 1072} 1073 1074static void 1075sbp_do_attach(struct fw_xfer *xfer) 1076{ 1077 struct sbp_dev *sdev; 1078 struct sbp_target *target; 1079 struct sbp_softc *sbp; 1080 1081 sdev = (struct sbp_dev *)xfer->sc; 1082 target = sdev->target; 1083 sbp = target->sbp; 1084SBP_DEBUG(0) 1085 sbp_show_sdev_info(sdev, 2); 1086 printf("sbp_do_attach\n"); 1087END_DEBUG 1088 sbp_xfer_free(xfer); 1089 1090 if (sdev->path == NULL) 1091 xpt_create_path(&sdev->path, xpt_periph, 1092 cam_sim_path(target->sbp->sim), 1093 target->target_id, sdev->lun_id); 1094 1095 /* 1096 * Let CAM scan the bus if we are in the boot process. 1097 * XXX xpt_scan_bus cannot detect LUN larger than 0 1098 * if LUN 0 doesn't exists. 1099 */ 1100 if (sbp_cold > 0) { 1101 sdev->status = SBP_DEV_ATTACHED; 1102 return; 1103 } 1104 1105 sbp_scan_dev(sdev); 1106 return; 1107} 1108 1109static void 1110sbp_agent_reset_callback(struct fw_xfer *xfer) 1111{ 1112 struct sbp_dev *sdev; 1113 1114 sdev = (struct sbp_dev *)xfer->sc; 1115SBP_DEBUG(1) 1116 sbp_show_sdev_info(sdev, 2); 1117 printf("%s\n", __func__); 1118END_DEBUG 1119 if (xfer->resp != 0) { 1120 sbp_show_sdev_info(sdev, 2); 1121 printf("%s: resp=%d\n", __func__, xfer->resp); 1122 } 1123 1124 sbp_xfer_free(xfer); 1125 if (sdev->path) { 1126 SBP_LOCK(sdev->target->sbp); 1127 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 1128 sdev->freeze = 0; 1129 SBP_UNLOCK(sdev->target->sbp); 1130 } 1131} 1132 1133static void 1134sbp_agent_reset(struct sbp_dev *sdev) 1135{ 1136 struct fw_xfer *xfer; 1137 struct fw_pkt *fp; 1138 1139SBP_DEBUG(0) 1140 sbp_show_sdev_info(sdev, 2); 1141 printf("sbp_agent_reset\n"); 1142END_DEBUG 1143 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x04); 1144 if (xfer == NULL) 1145 return; 1146 if (sdev->status == SBP_DEV_ATTACHED || sdev->status == SBP_DEV_PROBE) 1147 xfer->hand = sbp_agent_reset_callback; 1148 else 1149 xfer->hand = sbp_do_attach; 1150 fp = &xfer->send.hdr; 1151 fp->mode.wreqq.data = htonl(0xf); 1152 fw_asyreq(xfer->fc, -1, xfer); 1153 sbp_abort_all_ocbs(sdev, CAM_BDR_SENT); 1154} 1155 1156static void 1157sbp_busy_timeout_callback(struct fw_xfer *xfer) 1158{ 1159 struct sbp_dev *sdev; 1160 1161 sdev = (struct sbp_dev *)xfer->sc; 1162SBP_DEBUG(1) 1163 sbp_show_sdev_info(sdev, 2); 1164 printf("sbp_busy_timeout_callback\n"); 1165END_DEBUG 1166 sbp_xfer_free(xfer); 1167 sbp_agent_reset(sdev); 1168} 1169 1170static void 1171sbp_busy_timeout(struct sbp_dev *sdev) 1172{ 1173 struct fw_pkt *fp; 1174 struct fw_xfer *xfer; 1175SBP_DEBUG(0) 1176 sbp_show_sdev_info(sdev, 2); 1177 printf("sbp_busy_timeout\n"); 1178END_DEBUG 1179 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 1180 1181 xfer->hand = sbp_busy_timeout_callback; 1182 fp = &xfer->send.hdr; 1183 fp->mode.wreqq.dest_hi = 0xffff; 1184 fp->mode.wreqq.dest_lo = 0xf0000000 | BUSY_TIMEOUT; 1185 fp->mode.wreqq.data = htonl((1 << (13+12)) | 0xf); 1186 fw_asyreq(xfer->fc, -1, xfer); 1187} 1188 1189static void 1190sbp_orb_pointer_callback(struct fw_xfer *xfer) 1191{ 1192 struct sbp_dev *sdev; 1193 sdev = (struct sbp_dev *)xfer->sc; 1194 1195SBP_DEBUG(1) 1196 sbp_show_sdev_info(sdev, 2); 1197 printf("%s\n", __func__); 1198END_DEBUG 1199 if (xfer->resp != 0) { 1200 /* XXX */ 1201 printf("%s: xfer->resp = %d\n", __func__, xfer->resp); 1202 } 1203 sbp_xfer_free(xfer); 1204 sdev->flags &= ~ORB_POINTER_ACTIVE; 1205 1206 if ((sdev->flags & ORB_POINTER_NEED) != 0) { 1207 struct sbp_ocb *ocb; 1208 1209 sdev->flags &= ~ORB_POINTER_NEED; 1210 ocb = STAILQ_FIRST(&sdev->ocbs); 1211 if (ocb != NULL) 1212 sbp_orb_pointer(sdev, ocb); 1213 } 1214 return; 1215} 1216 1217static void 1218sbp_orb_pointer(struct sbp_dev *sdev, struct sbp_ocb *ocb) 1219{ 1220 struct fw_xfer *xfer; 1221 struct fw_pkt *fp; 1222SBP_DEBUG(1) 1223 sbp_show_sdev_info(sdev, 2); 1224 printf("%s: 0x%08x\n", __func__, (uint32_t)ocb->bus_addr); 1225END_DEBUG 1226 1227 if ((sdev->flags & ORB_POINTER_ACTIVE) != 0) { 1228SBP_DEBUG(0) 1229 printf("%s: orb pointer active\n", __func__); 1230END_DEBUG 1231 sdev->flags |= ORB_POINTER_NEED; 1232 return; 1233 } 1234 1235 sdev->flags |= ORB_POINTER_ACTIVE; 1236 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0x08); 1237 if (xfer == NULL) 1238 return; 1239 xfer->hand = sbp_orb_pointer_callback; 1240 1241 fp = &xfer->send.hdr; 1242 fp->mode.wreqb.len = 8; 1243 fp->mode.wreqb.extcode = 0; 1244 xfer->send.payload[0] = 1245 htonl(((sdev->target->sbp->fd.fc->nodeid | FWLOCALBUS )<< 16)); 1246 xfer->send.payload[1] = htonl((uint32_t)ocb->bus_addr); 1247 1248 if(fw_asyreq(xfer->fc, -1, xfer) != 0){ 1249 sbp_xfer_free(xfer); 1250 ocb->ccb->ccb_h.status = CAM_REQ_INVALID; 1251 xpt_done(ocb->ccb); 1252 } 1253} 1254 1255static void 1256sbp_doorbell_callback(struct fw_xfer *xfer) 1257{ 1258 struct sbp_dev *sdev; 1259 sdev = (struct sbp_dev *)xfer->sc; 1260 1261SBP_DEBUG(1) 1262 sbp_show_sdev_info(sdev, 2); 1263 printf("sbp_doorbell_callback\n"); 1264END_DEBUG 1265 if (xfer->resp != 0) { 1266 /* XXX */ 1267 printf("%s: xfer->resp = %d\n", __func__, xfer->resp); 1268 } 1269 sbp_xfer_free(xfer); 1270 sdev->flags &= ~ORB_DOORBELL_ACTIVE; 1271 if ((sdev->flags & ORB_DOORBELL_NEED) != 0) { 1272 sdev->flags &= ~ORB_DOORBELL_NEED; 1273 sbp_doorbell(sdev); 1274 } 1275 return; 1276} 1277 1278static void 1279sbp_doorbell(struct sbp_dev *sdev) 1280{ 1281 struct fw_xfer *xfer; 1282 struct fw_pkt *fp; 1283SBP_DEBUG(1) 1284 sbp_show_sdev_info(sdev, 2); 1285 printf("sbp_doorbell\n"); 1286END_DEBUG 1287 1288 if ((sdev->flags & ORB_DOORBELL_ACTIVE) != 0) { 1289 sdev->flags |= ORB_DOORBELL_NEED; 1290 return; 1291 } 1292 sdev->flags |= ORB_DOORBELL_ACTIVE; 1293 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x10); 1294 if (xfer == NULL) 1295 return; 1296 xfer->hand = sbp_doorbell_callback; 1297 fp = &xfer->send.hdr; 1298 fp->mode.wreqq.data = htonl(0xf); 1299 fw_asyreq(xfer->fc, -1, xfer); 1300} 1301 1302static struct fw_xfer * 1303sbp_write_cmd(struct sbp_dev *sdev, int tcode, int offset) 1304{ 1305 struct fw_xfer *xfer; 1306 struct fw_pkt *fp; 1307 struct sbp_target *target; 1308 int s, new = 0; 1309 1310 target = sdev->target; 1311 s = splfw(); 1312 xfer = STAILQ_FIRST(&target->xferlist); 1313 if (xfer == NULL) { 1314 if (target->n_xfer > 5 /* XXX */) { 1315 printf("sbp: no more xfer for this target\n"); 1316 splx(s); 1317 return(NULL); 1318 } 1319 xfer = fw_xfer_alloc_buf(M_SBP, 8, 0); 1320 if(xfer == NULL){ 1321 printf("sbp: fw_xfer_alloc_buf failed\n"); 1322 splx(s); 1323 return NULL; 1324 } 1325 target->n_xfer ++; 1326 if (debug) 1327 printf("sbp: alloc %d xfer\n", target->n_xfer); 1328 new = 1; 1329 } else { 1330 STAILQ_REMOVE_HEAD(&target->xferlist, link); 1331 } 1332 splx(s); 1333 1334 microtime(&xfer->tv); 1335 1336 if (new) { 1337 xfer->recv.pay_len = 0; 1338 xfer->send.spd = min(sdev->target->fwdev->speed, max_speed); 1339 xfer->fc = sdev->target->sbp->fd.fc; 1340 } 1341 1342 if (tcode == FWTCODE_WREQB) 1343 xfer->send.pay_len = 8; 1344 else 1345 xfer->send.pay_len = 0; 1346 1347 xfer->sc = (caddr_t)sdev; 1348 fp = &xfer->send.hdr; 1349 fp->mode.wreqq.dest_hi = sdev->login->cmd_hi; 1350 fp->mode.wreqq.dest_lo = sdev->login->cmd_lo + offset; 1351 fp->mode.wreqq.tlrt = 0; 1352 fp->mode.wreqq.tcode = tcode; 1353 fp->mode.wreqq.pri = 0; 1354 fp->mode.wreqq.dst = FWLOCALBUS | sdev->target->fwdev->dst; 1355 1356 return xfer; 1357 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 s, nid; 1368 1369 target = sdev->target; 1370 nid = target->sbp->fd.fc->nodeid | FWLOCALBUS; 1371 1372 s = splfw(); 1373 SBP_LOCK(target->sbp); 1374 if (func == ORB_FUN_RUNQUEUE) { 1375 ocb = STAILQ_FIRST(&target->mgm_ocb_queue); 1376 if (target->mgm_ocb_cur != NULL || ocb == NULL) { 1377 SBP_UNLOCK(target->sbp); 1378 splx(s); 1379 return; 1380 } 1381 STAILQ_REMOVE_HEAD(&target->mgm_ocb_queue, ocb); 1382 SBP_UNLOCK(target->sbp); 1383 goto start; 1384 } 1385 if ((ocb = sbp_get_ocb(sdev)) == NULL) { 1386 SBP_UNLOCK(target->sbp); 1387 splx(s); 1388 /* XXX */ 1389 return; 1390 } 1391 SBP_UNLOCK(target->sbp); 1392 ocb->flags = OCB_ACT_MGM; 1393 ocb->sdev = sdev; 1394 1395 bzero((void *)ocb->orb, sizeof(ocb->orb)); 1396 ocb->orb[6] = htonl((nid << 16) | SBP_BIND_HI); 1397 ocb->orb[7] = htonl(SBP_DEV2ADDR(target->target_id, sdev->lun_id)); 1398 1399SBP_DEBUG(0) 1400 sbp_show_sdev_info(sdev, 2); 1401 printf("%s\n", orb_fun_name[(func>>16)&0xf]); 1402END_DEBUG 1403 switch (func) { 1404 case ORB_FUN_LGI: 1405 ocb->orb[0] = ocb->orb[1] = 0; /* password */ 1406 ocb->orb[2] = htonl(nid << 16); 1407 ocb->orb[3] = htonl(sdev->dma.bus_addr); 1408 ocb->orb[4] = htonl(ORB_NOTIFY | sdev->lun_id); 1409 if (ex_login) 1410 ocb->orb[4] |= htonl(ORB_EXV); 1411 ocb->orb[5] = htonl(SBP_LOGIN_SIZE); 1412 fwdma_sync(&sdev->dma, BUS_DMASYNC_PREREAD); 1413 break; 1414 case ORB_FUN_ATA: 1415 ocb->orb[0] = htonl((0 << 16) | 0); 1416 ocb->orb[1] = htonl(aocb->bus_addr & 0xffffffff); 1417 /* fall through */ 1418 case ORB_FUN_RCN: 1419 case ORB_FUN_LGO: 1420 case ORB_FUN_LUR: 1421 case ORB_FUN_RST: 1422 case ORB_FUN_ATS: 1423 ocb->orb[4] = htonl(ORB_NOTIFY | func | sdev->login->id); 1424 break; 1425 } 1426 1427 if (target->mgm_ocb_cur != NULL) { 1428 /* there is a standing ORB */ 1429 SBP_LOCK(target->sbp); 1430 STAILQ_INSERT_TAIL(&sdev->target->mgm_ocb_queue, ocb, ocb); 1431 SBP_UNLOCK(target->sbp); 1432 splx(s); 1433 return; 1434 } 1435start: 1436 target->mgm_ocb_cur = ocb; 1437 splx(s); 1438 1439 callout_reset(&target->mgm_ocb_timeout, 5*hz, 1440 sbp_mgm_timeout, (caddr_t)ocb); 1441 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0); 1442 if(xfer == NULL){ 1443 return; 1444 } 1445 xfer->hand = sbp_mgm_callback; 1446 1447 fp = &xfer->send.hdr; 1448 fp->mode.wreqb.dest_hi = sdev->target->mgm_hi; 1449 fp->mode.wreqb.dest_lo = sdev->target->mgm_lo; 1450 fp->mode.wreqb.len = 8; 1451 fp->mode.wreqb.extcode = 0; 1452 xfer->send.payload[0] = htonl(nid << 16); 1453 xfer->send.payload[1] = htonl(ocb->bus_addr & 0xffffffff); 1454SBP_DEBUG(0) 1455 sbp_show_sdev_info(sdev, 2); 1456 printf("mgm orb: %08x\n", (uint32_t)ocb->bus_addr); 1457END_DEBUG 1458 1459 fw_asyreq(xfer->fc, -1, xfer); 1460} 1461 1462static void 1463sbp_print_scsi_cmd(struct sbp_ocb *ocb) 1464{ 1465 struct ccb_scsiio *csio; 1466 1467 csio = &ocb->ccb->csio; 1468 printf("%s:%d:%d XPT_SCSI_IO: " 1469 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 1470 ", flags: 0x%02x, " 1471 "%db cmd/%db data/%db sense\n", 1472 device_get_nameunit(ocb->sdev->target->sbp->fd.dev), 1473 ocb->ccb->ccb_h.target_id, ocb->ccb->ccb_h.target_lun, 1474 csio->cdb_io.cdb_bytes[0], 1475 csio->cdb_io.cdb_bytes[1], 1476 csio->cdb_io.cdb_bytes[2], 1477 csio->cdb_io.cdb_bytes[3], 1478 csio->cdb_io.cdb_bytes[4], 1479 csio->cdb_io.cdb_bytes[5], 1480 csio->cdb_io.cdb_bytes[6], 1481 csio->cdb_io.cdb_bytes[7], 1482 csio->cdb_io.cdb_bytes[8], 1483 csio->cdb_io.cdb_bytes[9], 1484 ocb->ccb->ccb_h.flags & CAM_DIR_MASK, 1485 csio->cdb_len, csio->dxfer_len, 1486 csio->sense_len); 1487} 1488 1489static void 1490sbp_scsi_status(struct sbp_status *sbp_status, struct sbp_ocb *ocb) 1491{ 1492 struct sbp_cmd_status *sbp_cmd_status; 1493 struct scsi_sense_data *sense; 1494 1495 sbp_cmd_status = (struct sbp_cmd_status *)sbp_status->data; 1496 sense = &ocb->ccb->csio.sense_data; 1497 1498SBP_DEBUG(0) 1499 sbp_print_scsi_cmd(ocb); 1500 /* XXX need decode status */ 1501 sbp_show_sdev_info(ocb->sdev, 2); 1502 printf("SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d\n", 1503 sbp_cmd_status->status, 1504 sbp_cmd_status->sfmt, 1505 sbp_cmd_status->valid, 1506 sbp_cmd_status->s_key, 1507 sbp_cmd_status->s_code, 1508 sbp_cmd_status->s_qlfr, 1509 sbp_status->len 1510 ); 1511END_DEBUG 1512 1513 switch (sbp_cmd_status->status) { 1514 case SCSI_STATUS_CHECK_COND: 1515 case SCSI_STATUS_BUSY: 1516 case SCSI_STATUS_CMD_TERMINATED: 1517 if(sbp_cmd_status->sfmt == SBP_SFMT_CURR){ 1518 sense->error_code = SSD_CURRENT_ERROR; 1519 }else{ 1520 sense->error_code = SSD_DEFERRED_ERROR; 1521 } 1522 if(sbp_cmd_status->valid) 1523 sense->error_code |= SSD_ERRCODE_VALID; 1524 sense->flags = sbp_cmd_status->s_key; 1525 if(sbp_cmd_status->mark) 1526 sense->flags |= SSD_FILEMARK; 1527 if(sbp_cmd_status->eom) 1528 sense->flags |= SSD_EOM; 1529 if(sbp_cmd_status->ill_len) 1530 sense->flags |= SSD_ILI; 1531 1532 bcopy(&sbp_cmd_status->info, &sense->info[0], 4); 1533 1534 if (sbp_status->len <= 1) 1535 /* XXX not scsi status. shouldn't be happened */ 1536 sense->extra_len = 0; 1537 else if (sbp_status->len <= 4) 1538 /* add_sense_code(_qual), info, cmd_spec_info */ 1539 sense->extra_len = 6; 1540 else 1541 /* fru, sense_key_spec */ 1542 sense->extra_len = 10; 1543 1544 bcopy(&sbp_cmd_status->cdb, &sense->cmd_spec_info[0], 4); 1545 1546 sense->add_sense_code = sbp_cmd_status->s_code; 1547 sense->add_sense_code_qual = sbp_cmd_status->s_qlfr; 1548 sense->fru = sbp_cmd_status->fru; 1549 1550 bcopy(&sbp_cmd_status->s_keydep[0], 1551 &sense->sense_key_spec[0], 3); 1552 1553 ocb->ccb->csio.scsi_status = sbp_cmd_status->status;; 1554 ocb->ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR 1555 | CAM_AUTOSNS_VALID; 1556/* 1557{ 1558 uint8_t j, *tmp; 1559 tmp = sense; 1560 for( j = 0 ; j < 32 ; j+=8){ 1561 printf("sense %02x%02x %02x%02x %02x%02x %02x%02x\n", 1562 tmp[j], tmp[j+1], tmp[j+2], tmp[j+3], 1563 tmp[j+4], tmp[j+5], tmp[j+6], tmp[j+7]); 1564 } 1565 1566} 1567*/ 1568 break; 1569 default: 1570 sbp_show_sdev_info(ocb->sdev, 2); 1571 printf("sbp_scsi_status: unknown scsi status 0x%x\n", 1572 sbp_cmd_status->status); 1573 } 1574} 1575 1576static void 1577sbp_fix_inq_data(struct sbp_ocb *ocb) 1578{ 1579 union ccb *ccb; 1580 struct sbp_dev *sdev; 1581 struct scsi_inquiry_data *inq; 1582 1583 ccb = ocb->ccb; 1584 sdev = ocb->sdev; 1585 1586 if (ccb->csio.cdb_io.cdb_bytes[1] & SI_EVPD) 1587 return; 1588SBP_DEBUG(1) 1589 sbp_show_sdev_info(sdev, 2); 1590 printf("sbp_fix_inq_data\n"); 1591END_DEBUG 1592 inq = (struct scsi_inquiry_data *) ccb->csio.data_ptr; 1593 switch (SID_TYPE(inq)) { 1594 case T_DIRECT: 1595#if 0 1596 /* 1597 * XXX Convert Direct Access device to RBC. 1598 * I've never seen FireWire DA devices which support READ_6. 1599 */ 1600 if (SID_TYPE(inq) == T_DIRECT) 1601 inq->device |= T_RBC; /* T_DIRECT == 0 */ 1602#endif 1603 /* fall through */ 1604 case T_RBC: 1605 /* 1606 * Override vendor/product/revision information. 1607 * Some devices sometimes return strange strings. 1608 */ 1609#if 1 1610 bcopy(sdev->vendor, inq->vendor, sizeof(inq->vendor)); 1611 bcopy(sdev->product, inq->product, sizeof(inq->product)); 1612 bcopy(sdev->revision+2, inq->revision, sizeof(inq->revision)); 1613#endif 1614 break; 1615 } 1616 /* 1617 * Force to enable/disable tagged queuing. 1618 * XXX CAM also checks SCP_QUEUE_DQUE flag in the control mode page. 1619 */ 1620 if (sbp_tags > 0) 1621 inq->flags |= SID_CmdQue; 1622 else if (sbp_tags < 0) 1623 inq->flags &= ~SID_CmdQue; 1624 1625} 1626 1627static void 1628sbp_recv1(struct fw_xfer *xfer) 1629{ 1630 struct fw_pkt *rfp; 1631#if NEED_RESPONSE 1632 struct fw_pkt *sfp; 1633#endif 1634 struct sbp_softc *sbp; 1635 struct sbp_dev *sdev; 1636 struct sbp_ocb *ocb; 1637 struct sbp_login_res *login_res = NULL; 1638 struct sbp_status *sbp_status; 1639 struct sbp_target *target; 1640 int orb_fun, status_valid0, status_valid, t, l, reset_agent = 0; 1641 uint32_t addr; 1642/* 1643 uint32_t *ld; 1644 ld = xfer->recv.buf; 1645printf("sbp %x %d %d %08x %08x %08x %08x\n", 1646 xfer->resp, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3])); 1647printf("sbp %08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 1648printf("sbp %08x %08x %08x %08x\n", ntohl(ld[8]), ntohl(ld[9]), ntohl(ld[10]), ntohl(ld[11])); 1649*/ 1650 sbp = (struct sbp_softc *)xfer->sc; 1651 if (xfer->resp != 0){ 1652 printf("sbp_recv: xfer->resp = %d\n", xfer->resp); 1653 goto done0; 1654 } 1655 if (xfer->recv.payload == NULL){ 1656 printf("sbp_recv: xfer->recv.payload == NULL\n"); 1657 goto done0; 1658 } 1659 rfp = &xfer->recv.hdr; 1660 if(rfp->mode.wreqb.tcode != FWTCODE_WREQB){ 1661 printf("sbp_recv: tcode = %d\n", rfp->mode.wreqb.tcode); 1662 goto done0; 1663 } 1664 sbp_status = (struct sbp_status *)xfer->recv.payload; 1665 addr = rfp->mode.wreqb.dest_lo; 1666SBP_DEBUG(2) 1667 printf("received address 0x%x\n", addr); 1668END_DEBUG 1669 t = SBP_ADDR2TRG(addr); 1670 if (t >= SBP_NUM_TARGETS) { 1671 device_printf(sbp->fd.dev, 1672 "sbp_recv1: invalid target %d\n", t); 1673 goto done0; 1674 } 1675 target = &sbp->targets[t]; 1676 l = SBP_ADDR2LUN(addr); 1677 if (l >= target->num_lun || target->luns[l] == NULL) { 1678 device_printf(sbp->fd.dev, 1679 "sbp_recv1: invalid lun %d (target=%d)\n", l, t); 1680 goto done0; 1681 } 1682 sdev = target->luns[l]; 1683 1684 ocb = NULL; 1685 switch (sbp_status->src) { 1686 case 0: 1687 case 1: 1688 /* check mgm_ocb_cur first */ 1689 ocb = target->mgm_ocb_cur; 1690 if (ocb != NULL) { 1691 if (OCB_MATCH(ocb, sbp_status)) { 1692 callout_stop(&target->mgm_ocb_timeout); 1693 target->mgm_ocb_cur = NULL; 1694 break; 1695 } 1696 } 1697 ocb = sbp_dequeue_ocb(sdev, sbp_status); 1698 if (ocb == NULL) { 1699 sbp_show_sdev_info(sdev, 2); 1700#if defined(__DragonFly__) || __FreeBSD_version < 500000 1701 printf("No ocb(%lx) on the queue\n", 1702#else 1703 printf("No ocb(%x) on the queue\n", 1704#endif 1705 ntohl(sbp_status->orb_lo)); 1706 } 1707 break; 1708 case 2: 1709 /* unsolicit */ 1710 sbp_show_sdev_info(sdev, 2); 1711 printf("unsolicit status received\n"); 1712 break; 1713 default: 1714 sbp_show_sdev_info(sdev, 2); 1715 printf("unknown sbp_status->src\n"); 1716 } 1717 1718 status_valid0 = (sbp_status->src < 2 1719 && sbp_status->resp == ORB_RES_CMPL 1720 && sbp_status->dead == 0); 1721 status_valid = (status_valid0 && sbp_status->status == 0); 1722 1723 if (!status_valid0 || debug > 2){ 1724 int status; 1725SBP_DEBUG(0) 1726 sbp_show_sdev_info(sdev, 2); 1727 printf("ORB status src:%x resp:%x dead:%x" 1728#if defined(__DragonFly__) || __FreeBSD_version < 500000 1729 " len:%x stat:%x orb:%x%08lx\n", 1730#else 1731 " len:%x stat:%x orb:%x%08x\n", 1732#endif 1733 sbp_status->src, sbp_status->resp, sbp_status->dead, 1734 sbp_status->len, sbp_status->status, 1735 ntohs(sbp_status->orb_hi), ntohl(sbp_status->orb_lo)); 1736END_DEBUG 1737 sbp_show_sdev_info(sdev, 2); 1738 status = sbp_status->status; 1739 switch(sbp_status->resp) { 1740 case 0: 1741 if (status > MAX_ORB_STATUS0) 1742 printf("%s\n", orb_status0[MAX_ORB_STATUS0]); 1743 else 1744 printf("%s\n", orb_status0[status]); 1745 break; 1746 case 1: 1747 printf("Obj: %s, Error: %s\n", 1748 orb_status1_object[(status>>6) & 3], 1749 orb_status1_serial_bus_error[status & 0xf]); 1750 break; 1751 case 2: 1752 printf("Illegal request\n"); 1753 break; 1754 case 3: 1755 printf("Vendor dependent\n"); 1756 break; 1757 default: 1758 printf("unknown respose code %d\n", sbp_status->resp); 1759 } 1760 } 1761 1762 /* we have to reset the fetch agent if it's dead */ 1763 if (sbp_status->dead) { 1764 if (sdev->path) { 1765 SBP_LOCK(sbp); 1766 xpt_freeze_devq(sdev->path, 1); 1767 sdev->freeze ++; 1768 SBP_UNLOCK(sbp); 1769 } 1770 reset_agent = 1; 1771 } 1772 1773 if (ocb == NULL) 1774 goto done; 1775 1776 switch(ntohl(ocb->orb[4]) & ORB_FMT_MSK){ 1777 case ORB_FMT_NOP: 1778 break; 1779 case ORB_FMT_VED: 1780 break; 1781 case ORB_FMT_STD: 1782 switch(ocb->flags) { 1783 case OCB_ACT_MGM: 1784 orb_fun = ntohl(ocb->orb[4]) & ORB_FUN_MSK; 1785 reset_agent = 0; 1786 switch(orb_fun) { 1787 case ORB_FUN_LGI: 1788 fwdma_sync(&sdev->dma, BUS_DMASYNC_POSTREAD); 1789 login_res = sdev->login; 1790 login_res->len = ntohs(login_res->len); 1791 login_res->id = ntohs(login_res->id); 1792 login_res->cmd_hi = ntohs(login_res->cmd_hi); 1793 login_res->cmd_lo = ntohl(login_res->cmd_lo); 1794 if (status_valid) { 1795SBP_DEBUG(0) 1796sbp_show_sdev_info(sdev, 2); 1797printf("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)); 1798END_DEBUG 1799 sbp_busy_timeout(sdev); 1800 } else { 1801 /* forgot logout? */ 1802 sbp_show_sdev_info(sdev, 2); 1803 printf("login failed\n"); 1804 sdev->status = SBP_DEV_RESET; 1805 } 1806 break; 1807 case ORB_FUN_RCN: 1808 login_res = sdev->login; 1809 if (status_valid) { 1810SBP_DEBUG(0) 1811sbp_show_sdev_info(sdev, 2); 1812printf("reconnect: len %d, ID %d, cmd %08x%08x\n", login_res->len, login_res->id, login_res->cmd_hi, login_res->cmd_lo); 1813END_DEBUG 1814#if 1 1815 if (sdev->status == SBP_DEV_ATTACHED) 1816 sbp_scan_dev(sdev); 1817 else 1818 sbp_agent_reset(sdev); 1819#else 1820 sdev->status = SBP_DEV_ATTACHED; 1821 sbp_mgm_orb(sdev, ORB_FUN_ATS, NULL); 1822#endif 1823 } else { 1824 /* reconnection hold time exceed? */ 1825SBP_DEBUG(0) 1826 sbp_show_sdev_info(sdev, 2); 1827 printf("reconnect failed\n"); 1828END_DEBUG 1829 sbp_login(sdev); 1830 } 1831 break; 1832 case ORB_FUN_LGO: 1833 sdev->status = SBP_DEV_RESET; 1834 break; 1835 case ORB_FUN_RST: 1836 sbp_busy_timeout(sdev); 1837 break; 1838 case ORB_FUN_LUR: 1839 case ORB_FUN_ATA: 1840 case ORB_FUN_ATS: 1841 sbp_agent_reset(sdev); 1842 break; 1843 default: 1844 sbp_show_sdev_info(sdev, 2); 1845 printf("unknown function %d\n", orb_fun); 1846 break; 1847 } 1848 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 1849 break; 1850 case OCB_ACT_CMD: 1851 sdev->timeout = 0; 1852 if(ocb->ccb != NULL){ 1853 union ccb *ccb; 1854/* 1855 uint32_t *ld; 1856 ld = ocb->ccb->csio.data_ptr; 1857 if(ld != NULL && ocb->ccb->csio.dxfer_len != 0) 1858 printf("ptr %08x %08x %08x %08x\n", ld[0], ld[1], ld[2], ld[3]); 1859 else 1860 printf("ptr NULL\n"); 1861printf("len %d\n", sbp_status->len); 1862*/ 1863 ccb = ocb->ccb; 1864 if(sbp_status->len > 1){ 1865 sbp_scsi_status(sbp_status, ocb); 1866 }else{ 1867 if(sbp_status->resp != ORB_RES_CMPL){ 1868 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1869 }else{ 1870 ccb->ccb_h.status = CAM_REQ_CMP; 1871 } 1872 } 1873 /* fix up inq data */ 1874 if (ccb->csio.cdb_io.cdb_bytes[0] == INQUIRY) 1875 sbp_fix_inq_data(ocb); 1876 SBP_LOCK(sbp); 1877 xpt_done(ccb); 1878 SBP_UNLOCK(sbp); 1879 } 1880 break; 1881 default: 1882 break; 1883 } 1884 } 1885 1886 if (!use_doorbell) 1887 sbp_free_ocb(sdev, ocb); 1888done: 1889 if (reset_agent) 1890 sbp_agent_reset(sdev); 1891 1892done0: 1893 xfer->recv.pay_len = SBP_RECV_LEN; 1894/* The received packet is usually small enough to be stored within 1895 * the buffer. In that case, the controller return ack_complete and 1896 * no respose is necessary. 1897 * 1898 * XXX fwohci.c and firewire.c should inform event_code such as 1899 * ack_complete or ack_pending to upper driver. 1900 */ 1901#if NEED_RESPONSE 1902 xfer->send.off = 0; 1903 sfp = (struct fw_pkt *)xfer->send.buf; 1904 sfp->mode.wres.dst = rfp->mode.wreqb.src; 1905 xfer->dst = sfp->mode.wres.dst; 1906 xfer->spd = min(sdev->target->fwdev->speed, max_speed); 1907 xfer->hand = sbp_loginres_callback; 1908 1909 sfp->mode.wres.tlrt = rfp->mode.wreqb.tlrt; 1910 sfp->mode.wres.tcode = FWTCODE_WRES; 1911 sfp->mode.wres.rtcode = 0; 1912 sfp->mode.wres.pri = 0; 1913 1914 fw_asyreq(xfer->fc, -1, xfer); 1915#else 1916 /* recycle */ 1917 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link); 1918#endif 1919 1920 return; 1921 1922} 1923 1924static void 1925sbp_recv(struct fw_xfer *xfer) 1926{ 1927 int s; 1928 1929 s = splcam(); 1930 sbp_recv1(xfer); 1931 splx(s); 1932} 1933/* 1934 * sbp_attach() 1935 */ 1936static int 1937sbp_attach(device_t dev) 1938{ 1939 struct sbp_softc *sbp; 1940 struct cam_devq *devq; 1941 struct firewire_comm *fc; 1942 int i, s, error; 1943 1944 if (DFLTPHYS > SBP_MAXPHYS) 1945 device_printf(dev, "Warning, DFLTPHYS(%dKB) is larger than " 1946 "SBP_MAXPHYS(%dKB).\n", DFLTPHYS / 1024, 1947 SBP_MAXPHYS / 1024); 1948 1949SBP_DEBUG(0) 1950 printf("sbp_attach (cold=%d)\n", cold); 1951END_DEBUG 1952 1953 if (cold) 1954 sbp_cold ++; 1955 sbp = ((struct sbp_softc *)device_get_softc(dev)); 1956 bzero(sbp, sizeof(struct sbp_softc)); 1957 sbp->fd.dev = dev; 1958 sbp->fd.fc = fc = device_get_ivars(dev); 1959 mtx_init(&sbp->mtx, "sbp", NULL, MTX_DEF); 1960 1961 if (max_speed < 0) 1962 max_speed = fc->speed; 1963 1964 error = bus_dma_tag_create(/*parent*/fc->dmat, 1965 /* XXX shoud be 4 for sane backend? */ 1966 /*alignment*/1, 1967 /*boundary*/0, 1968 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, 1969 /*highaddr*/BUS_SPACE_MAXADDR, 1970 /*filter*/NULL, /*filterarg*/NULL, 1971 /*maxsize*/0x100000, /*nsegments*/SBP_IND_MAX, 1972 /*maxsegsz*/SBP_SEG_MAX, 1973 /*flags*/BUS_DMA_ALLOCNOW, 1974#if defined(__FreeBSD__) && __FreeBSD_version >= 501102 1975 /*lockfunc*/busdma_lock_mutex, 1976 /*lockarg*/&sbp->mtx, 1977#endif 1978 &sbp->dmat); 1979 if (error != 0) { 1980 printf("sbp_attach: Could not allocate DMA tag " 1981 "- error %d\n", error); 1982 return (ENOMEM); 1983 } 1984 1985 devq = cam_simq_alloc(/*maxopenings*/SBP_NUM_OCB); 1986 if (devq == NULL) 1987 return (ENXIO); 1988 1989 for( i = 0 ; i < SBP_NUM_TARGETS ; i++){ 1990 sbp->targets[i].fwdev = NULL; 1991 sbp->targets[i].luns = NULL; 1992 } 1993 1994 sbp->sim = cam_sim_alloc(sbp_action, sbp_poll, "sbp", sbp, 1995 device_get_unit(dev), 1996 &sbp->mtx, 1997 /*untagged*/ 1, 1998 /*tagged*/ SBP_QUEUE_LEN - 1, 1999 devq); 2000 2001 if (sbp->sim == NULL) { 2002 cam_simq_free(devq); 2003 return (ENXIO); 2004 } 2005 2006 SBP_LOCK(sbp); 2007 if (xpt_bus_register(sbp->sim, /*bus*/0) != CAM_SUCCESS) 2008 goto fail; 2009 2010 if (xpt_create_path(&sbp->path, xpt_periph, cam_sim_path(sbp->sim), 2011 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 2012 xpt_bus_deregister(cam_sim_path(sbp->sim)); 2013 goto fail; 2014 } 2015 SBP_UNLOCK(sbp); 2016 2017 /* We reserve 16 bit space (4 bytes X 64 targets X 256 luns) */ 2018 sbp->fwb.start = ((u_int64_t)SBP_BIND_HI << 32) | SBP_DEV2ADDR(0, 0); 2019 sbp->fwb.end = sbp->fwb.start + 0xffff; 2020 /* pre-allocate xfer */ 2021 STAILQ_INIT(&sbp->fwb.xferlist); 2022 fw_xferlist_add(&sbp->fwb.xferlist, M_SBP, 2023 /*send*/ 0, /*recv*/ SBP_RECV_LEN, SBP_NUM_OCB/2, 2024 fc, (void *)sbp, sbp_recv); 2025 2026 fw_bindadd(fc, &sbp->fwb); 2027 2028 sbp->fd.post_busreset = sbp_post_busreset; 2029 sbp->fd.post_explore = sbp_post_explore; 2030 2031 if (fc->status != -1) { 2032 s = splfw(); 2033 sbp_post_busreset((void *)sbp); 2034 sbp_post_explore((void *)sbp); 2035 splx(s); 2036 } 2037 SBP_LOCK(sbp); 2038 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL); 2039 SBP_UNLOCK(sbp); 2040 2041 return (0); 2042fail: 2043 SBP_UNLOCK(sbp); 2044 cam_sim_free(sbp->sim, /*free_devq*/TRUE); 2045 return (ENXIO); 2046} 2047 2048static int 2049sbp_logout_all(struct sbp_softc *sbp) 2050{ 2051 struct sbp_target *target; 2052 struct sbp_dev *sdev; 2053 int i, j; 2054 2055SBP_DEBUG(0) 2056 printf("sbp_logout_all\n"); 2057END_DEBUG 2058 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) { 2059 target = &sbp->targets[i]; 2060 if (target->luns == NULL) 2061 continue; 2062 for (j = 0; j < target->num_lun; j++) { 2063 sdev = target->luns[j]; 2064 if (sdev == NULL) 2065 continue; 2066 callout_stop(&sdev->login_callout); 2067 if (sdev->status >= SBP_DEV_TOATTACH && 2068 sdev->status <= SBP_DEV_ATTACHED) 2069 sbp_mgm_orb(sdev, ORB_FUN_LGO, NULL); 2070 } 2071 } 2072 2073 return 0; 2074} 2075 2076static int 2077sbp_shutdown(device_t dev) 2078{ 2079 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 2080 2081 sbp_logout_all(sbp); 2082 return (0); 2083} 2084 2085static void 2086sbp_free_sdev(struct sbp_dev *sdev) 2087{ 2088 int i; 2089 2090 if (sdev == NULL) 2091 return; 2092 for (i = 0; i < SBP_QUEUE_LEN; i++) 2093 bus_dmamap_destroy(sdev->target->sbp->dmat, 2094 sdev->ocb[i].dmamap); 2095 fwdma_free(sdev->target->sbp->fd.fc, &sdev->dma); 2096 free(sdev, M_SBP); 2097} 2098 2099static void 2100sbp_free_target(struct sbp_target *target) 2101{ 2102 struct sbp_softc *sbp; 2103 struct fw_xfer *xfer, *next; 2104 int i; 2105 2106 if (target->luns == NULL) 2107 return; 2108 callout_stop(&target->mgm_ocb_timeout); 2109 sbp = target->sbp; 2110 for (i = 0; i < target->num_lun; i++) 2111 sbp_free_sdev(target->luns[i]); 2112 2113 for (xfer = STAILQ_FIRST(&target->xferlist); 2114 xfer != NULL; xfer = next) { 2115 next = STAILQ_NEXT(xfer, link); 2116 fw_xfer_free_buf(xfer); 2117 } 2118 STAILQ_INIT(&target->xferlist); 2119 free(target->luns, M_SBP); 2120 target->num_lun = 0;; 2121 target->luns = NULL; 2122 target->fwdev = NULL; 2123} 2124 2125static int 2126sbp_detach(device_t dev) 2127{ 2128 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 2129 struct firewire_comm *fc = sbp->fd.fc; 2130 int i; 2131 2132SBP_DEBUG(0) 2133 printf("sbp_detach\n"); 2134END_DEBUG 2135 2136 for (i = 0; i < SBP_NUM_TARGETS; i ++) 2137 sbp_cam_detach_target(&sbp->targets[i]); 2138 2139 SBP_LOCK(sbp); 2140 xpt_async(AC_LOST_DEVICE, sbp->path, NULL); 2141 xpt_free_path(sbp->path); 2142 xpt_bus_deregister(cam_sim_path(sbp->sim)); 2143 cam_sim_free(sbp->sim, /*free_devq*/ TRUE), 2144 SBP_UNLOCK(sbp); 2145 2146 sbp_logout_all(sbp); 2147 2148 /* XXX wait for logout completion */ 2149 pause("sbpdtc", hz/2); 2150 2151 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) 2152 sbp_free_target(&sbp->targets[i]); 2153 2154 fw_bindremove(fc, &sbp->fwb); 2155 fw_xferlist_remove(&sbp->fwb.xferlist); 2156 2157 bus_dma_tag_destroy(sbp->dmat); 2158 mtx_destroy(&sbp->mtx); 2159 2160 return (0); 2161} 2162 2163static void 2164sbp_cam_detach_sdev(struct sbp_dev *sdev) 2165{ 2166 if (sdev == NULL) 2167 return; 2168 if (sdev->status == SBP_DEV_DEAD) 2169 return; 2170 if (sdev->status == SBP_DEV_RESET) 2171 return; 2172 sbp_abort_all_ocbs(sdev, CAM_DEV_NOT_THERE); 2173 if (sdev->path) { 2174 SBP_LOCK(sdev->target->sbp); 2175 xpt_release_devq(sdev->path, 2176 sdev->freeze, TRUE); 2177 sdev->freeze = 0; 2178 xpt_async(AC_LOST_DEVICE, sdev->path, NULL); 2179 xpt_free_path(sdev->path); 2180 sdev->path = NULL; 2181 SBP_UNLOCK(sdev->target->sbp); 2182 } 2183} 2184 2185static void 2186sbp_cam_detach_target(struct sbp_target *target) 2187{ 2188 int i; 2189 2190 if (target->luns != NULL) { 2191SBP_DEBUG(0) 2192 printf("sbp_detach_target %d\n", target->target_id); 2193END_DEBUG 2194 callout_stop(&target->scan_callout); 2195 for (i = 0; i < target->num_lun; i++) 2196 sbp_cam_detach_sdev(target->luns[i]); 2197 } 2198} 2199 2200static void 2201sbp_target_reset(struct sbp_dev *sdev, int method) 2202{ 2203 int i; 2204 struct sbp_target *target = sdev->target; 2205 struct sbp_dev *tsdev; 2206 2207 for (i = 0; i < target->num_lun; i++) { 2208 tsdev = target->luns[i]; 2209 if (tsdev == NULL) 2210 continue; 2211 if (tsdev->status == SBP_DEV_DEAD) 2212 continue; 2213 if (tsdev->status == SBP_DEV_RESET) 2214 continue; 2215 SBP_LOCK(target->sbp); 2216 xpt_freeze_devq(tsdev->path, 1); 2217 tsdev->freeze ++; 2218 SBP_UNLOCK(target->sbp); 2219 sbp_abort_all_ocbs(tsdev, CAM_CMD_TIMEOUT); 2220 if (method == 2) 2221 tsdev->status = SBP_DEV_LOGIN; 2222 } 2223 switch(method) { 2224 case 1: 2225 printf("target reset\n"); 2226 sbp_mgm_orb(sdev, ORB_FUN_RST, NULL); 2227 break; 2228 case 2: 2229 printf("reset start\n"); 2230 sbp_reset_start(sdev); 2231 break; 2232 } 2233 2234} 2235 2236static void 2237sbp_mgm_timeout(void *arg) 2238{ 2239 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 2240 struct sbp_dev *sdev = ocb->sdev; 2241 struct sbp_target *target = sdev->target; 2242 2243 sbp_show_sdev_info(sdev, 2); 2244 printf("request timeout(mgm orb:0x%08x) ... ", 2245 (uint32_t)ocb->bus_addr); 2246 target->mgm_ocb_cur = NULL; 2247 sbp_free_ocb(sdev, ocb); 2248#if 0 2249 /* XXX */ 2250 printf("run next request\n"); 2251 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 2252#endif 2253#if 1 2254 printf("reset start\n"); 2255 sbp_reset_start(sdev); 2256#endif 2257} 2258 2259static void 2260sbp_timeout(void *arg) 2261{ 2262 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 2263 struct sbp_dev *sdev = ocb->sdev; 2264 2265 sbp_show_sdev_info(sdev, 2); 2266 printf("request timeout(cmd orb:0x%08x) ... ", 2267 (uint32_t)ocb->bus_addr); 2268 2269 sdev->timeout ++; 2270 switch(sdev->timeout) { 2271 case 1: 2272 printf("agent reset\n"); 2273 SBP_LOCK(sdev->target->sbp); 2274 xpt_freeze_devq(sdev->path, 1); 2275 sdev->freeze ++; 2276 SBP_UNLOCK(sdev->target->sbp); 2277 sbp_abort_all_ocbs(sdev, CAM_CMD_TIMEOUT); 2278 sbp_agent_reset(sdev); 2279 break; 2280 case 2: 2281 case 3: 2282 sbp_target_reset(sdev, sdev->timeout - 1); 2283 break; 2284#if 0 2285 default: 2286 /* XXX give up */ 2287 sbp_cam_detach_target(target); 2288 if (target->luns != NULL) 2289 free(target->luns, M_SBP); 2290 target->num_lun = 0;; 2291 target->luns = NULL; 2292 target->fwdev = NULL; 2293#endif 2294 } 2295} 2296 2297static void 2298sbp_action1(struct cam_sim *sim, union ccb *ccb) 2299{ 2300 2301 struct sbp_softc *sbp = (struct sbp_softc *)sim->softc; 2302 struct sbp_target *target = NULL; 2303 struct sbp_dev *sdev = NULL; 2304 2305 /* target:lun -> sdev mapping */ 2306 if (sbp != NULL 2307 && ccb->ccb_h.target_id != CAM_TARGET_WILDCARD 2308 && ccb->ccb_h.target_id < SBP_NUM_TARGETS) { 2309 target = &sbp->targets[ccb->ccb_h.target_id]; 2310 if (target->fwdev != NULL 2311 && ccb->ccb_h.target_lun != CAM_LUN_WILDCARD 2312 && ccb->ccb_h.target_lun < target->num_lun) { 2313 sdev = target->luns[ccb->ccb_h.target_lun]; 2314 if (sdev != NULL && sdev->status != SBP_DEV_ATTACHED && 2315 sdev->status != SBP_DEV_PROBE) 2316 sdev = NULL; 2317 } 2318 } 2319 2320SBP_DEBUG(1) 2321 if (sdev == NULL) 2322 printf("invalid target %d lun %d\n", 2323 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2324END_DEBUG 2325 2326 switch (ccb->ccb_h.func_code) { 2327 case XPT_SCSI_IO: 2328 case XPT_RESET_DEV: 2329 case XPT_GET_TRAN_SETTINGS: 2330 case XPT_SET_TRAN_SETTINGS: 2331 case XPT_CALC_GEOMETRY: 2332 if (sdev == NULL) { 2333SBP_DEBUG(1) 2334 printf("%s:%d:%d:func_code 0x%04x: " 2335 "Invalid target (target needed)\n", 2336 device_get_nameunit(sbp->fd.dev), 2337 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2338 ccb->ccb_h.func_code); 2339END_DEBUG 2340 2341 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2342 xpt_done(ccb); 2343 return; 2344 } 2345 break; 2346 case XPT_PATH_INQ: 2347 case XPT_NOOP: 2348 /* The opcodes sometimes aimed at a target (sc is valid), 2349 * sometimes aimed at the SIM (sc is invalid and target is 2350 * CAM_TARGET_WILDCARD) 2351 */ 2352 if (sbp == NULL && 2353 ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) { 2354SBP_DEBUG(0) 2355 printf("%s:%d:%d func_code 0x%04x: " 2356 "Invalid target (no wildcard)\n", 2357 device_get_nameunit(sbp->fd.dev), 2358 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2359 ccb->ccb_h.func_code); 2360END_DEBUG 2361 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2362 xpt_done(ccb); 2363 return; 2364 } 2365 break; 2366 default: 2367 /* XXX Hm, we should check the input parameters */ 2368 break; 2369 } 2370 2371 switch (ccb->ccb_h.func_code) { 2372 case XPT_SCSI_IO: 2373 { 2374 struct ccb_scsiio *csio; 2375 struct sbp_ocb *ocb; 2376 int speed; 2377 void *cdb; 2378 2379 csio = &ccb->csio; 2380 mtx_assert(sim->mtx, MA_OWNED); 2381 2382SBP_DEBUG(2) 2383 printf("%s:%d:%d XPT_SCSI_IO: " 2384 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 2385 ", flags: 0x%02x, " 2386 "%db cmd/%db data/%db sense\n", 2387 device_get_nameunit(sbp->fd.dev), 2388 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2389 csio->cdb_io.cdb_bytes[0], 2390 csio->cdb_io.cdb_bytes[1], 2391 csio->cdb_io.cdb_bytes[2], 2392 csio->cdb_io.cdb_bytes[3], 2393 csio->cdb_io.cdb_bytes[4], 2394 csio->cdb_io.cdb_bytes[5], 2395 csio->cdb_io.cdb_bytes[6], 2396 csio->cdb_io.cdb_bytes[7], 2397 csio->cdb_io.cdb_bytes[8], 2398 csio->cdb_io.cdb_bytes[9], 2399 ccb->ccb_h.flags & CAM_DIR_MASK, 2400 csio->cdb_len, csio->dxfer_len, 2401 csio->sense_len); 2402END_DEBUG 2403 if(sdev == NULL){ 2404 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2405 xpt_done(ccb); 2406 return; 2407 } 2408#if 0 2409 /* if we are in probe stage, pass only probe commands */ 2410 if (sdev->status == SBP_DEV_PROBE) { 2411 char *name; 2412 name = xpt_path_periph(ccb->ccb_h.path)->periph_name; 2413 printf("probe stage, periph name: %s\n", name); 2414 if (strcmp(name, "probe") != 0) { 2415 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2416 xpt_done(ccb); 2417 return; 2418 } 2419 } 2420#endif 2421 if ((ocb = sbp_get_ocb(sdev)) == NULL) { 2422 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2423 if (sdev->freeze == 0) { 2424 SBP_LOCK(sdev->target->sbp); 2425 xpt_freeze_devq(sdev->path, 1); 2426 sdev->freeze ++; 2427 SBP_UNLOCK(sdev->target->sbp); 2428 } 2429 xpt_done(ccb); 2430 return; 2431 } 2432 2433 ocb->flags = OCB_ACT_CMD; 2434 ocb->sdev = sdev; 2435 ocb->ccb = ccb; 2436 ccb->ccb_h.ccb_sdev_ptr = sdev; 2437 ocb->orb[0] = htonl(1 << 31); 2438 ocb->orb[1] = 0; 2439 ocb->orb[2] = htonl(((sbp->fd.fc->nodeid | FWLOCALBUS )<< 16) ); 2440 ocb->orb[3] = htonl(ocb->bus_addr + IND_PTR_OFFSET); 2441 speed = min(target->fwdev->speed, max_speed); 2442 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_CMD_SPD(speed) 2443 | ORB_CMD_MAXP(speed + 7)); 2444 if((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN){ 2445 ocb->orb[4] |= htonl(ORB_CMD_IN); 2446 } 2447 2448 if (csio->ccb_h.flags & CAM_SCATTER_VALID) 2449 printf("sbp: CAM_SCATTER_VALID\n"); 2450 if (csio->ccb_h.flags & CAM_DATA_PHYS) 2451 printf("sbp: CAM_DATA_PHYS\n"); 2452 2453 if (csio->ccb_h.flags & CAM_CDB_POINTER) 2454 cdb = (void *)csio->cdb_io.cdb_ptr; 2455 else 2456 cdb = (void *)&csio->cdb_io.cdb_bytes; 2457 bcopy(cdb, (void *)&ocb->orb[5], csio->cdb_len); 2458/* 2459printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[0]), ntohl(ocb->orb[1]), ntohl(ocb->orb[2]), ntohl(ocb->orb[3])); 2460printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[4]), ntohl(ocb->orb[5]), ntohl(ocb->orb[6]), ntohl(ocb->orb[7])); 2461*/ 2462 if (ccb->csio.dxfer_len > 0) { 2463 int s, error; 2464 2465 s = splsoftvm(); 2466 error = bus_dmamap_load(/*dma tag*/sbp->dmat, 2467 /*dma map*/ocb->dmamap, 2468 ccb->csio.data_ptr, 2469 ccb->csio.dxfer_len, 2470 sbp_execute_ocb, 2471 ocb, 2472 /*flags*/0); 2473 splx(s); 2474 if (error) 2475 printf("sbp: bus_dmamap_load error %d\n", error); 2476 } else 2477 sbp_execute_ocb(ocb, NULL, 0, 0); 2478 break; 2479 } 2480 case XPT_CALC_GEOMETRY: 2481 { 2482 struct ccb_calc_geometry *ccg; 2483#if defined(__DragonFly__) || __FreeBSD_version < 501100 2484 uint32_t size_mb; 2485 uint32_t secs_per_cylinder; 2486 int extended = 1; 2487#endif 2488 2489 ccg = &ccb->ccg; 2490 if (ccg->block_size == 0) { 2491 printf("sbp_action1: block_size is 0.\n"); 2492 ccb->ccb_h.status = CAM_REQ_INVALID; 2493 xpt_done(ccb); 2494 break; 2495 } 2496SBP_DEBUG(1) 2497 printf("%s:%d:%d:%d:XPT_CALC_GEOMETRY: " 2498#if defined(__DragonFly__) || __FreeBSD_version < 500000 2499 "Volume size = %d\n", 2500#else 2501 "Volume size = %jd\n", 2502#endif 2503 device_get_nameunit(sbp->fd.dev), 2504 cam_sim_path(sbp->sim), 2505 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2506#if defined(__FreeBSD__) && __FreeBSD_version >= 500000 2507 (uintmax_t) 2508#endif 2509 ccg->volume_size); 2510END_DEBUG 2511 2512#if defined(__DragonFly__) || __FreeBSD_version < 501100 2513 size_mb = ccg->volume_size 2514 / ((1024L * 1024L) / ccg->block_size); 2515 2516 if (size_mb > 1024 && extended) { 2517 ccg->heads = 255; 2518 ccg->secs_per_track = 63; 2519 } else { 2520 ccg->heads = 64; 2521 ccg->secs_per_track = 32; 2522 } 2523 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 2524 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 2525 ccb->ccb_h.status = CAM_REQ_CMP; 2526#else 2527 cam_calc_geometry(ccg, /*extended*/1); 2528#endif 2529 xpt_done(ccb); 2530 break; 2531 } 2532 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 2533 { 2534 2535SBP_DEBUG(1) 2536 printf("%s:%d:XPT_RESET_BUS: \n", 2537 device_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim)); 2538END_DEBUG 2539 2540 ccb->ccb_h.status = CAM_REQ_INVALID; 2541 xpt_done(ccb); 2542 break; 2543 } 2544 case XPT_PATH_INQ: /* Path routing inquiry */ 2545 { 2546 struct ccb_pathinq *cpi = &ccb->cpi; 2547 2548SBP_DEBUG(1) 2549 printf("%s:%d:%d XPT_PATH_INQ:.\n", 2550 device_get_nameunit(sbp->fd.dev), 2551 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2552END_DEBUG 2553 cpi->version_num = 1; /* XXX??? */ 2554 cpi->hba_inquiry = PI_TAG_ABLE; 2555 cpi->target_sprt = 0; 2556 cpi->hba_misc = PIM_NOBUSRESET | PIM_NO_6_BYTE; 2557 cpi->hba_eng_cnt = 0; 2558 cpi->max_target = SBP_NUM_TARGETS - 1; 2559 cpi->max_lun = SBP_NUM_LUNS - 1; 2560 cpi->initiator_id = SBP_INITIATOR; 2561 cpi->bus_id = sim->bus_id; 2562 cpi->base_transfer_speed = 400 * 1000 / 8; 2563 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 2564 strncpy(cpi->hba_vid, "SBP", HBA_IDLEN); 2565 strncpy(cpi->dev_name, sim->sim_name, DEV_IDLEN); 2566 cpi->unit_number = sim->unit_number; 2567 cpi->transport = XPORT_SPI; /* XX should have a FireWire */ 2568 cpi->transport_version = 2; 2569 cpi->protocol = PROTO_SCSI; 2570 cpi->protocol_version = SCSI_REV_2; 2571 2572 cpi->ccb_h.status = CAM_REQ_CMP; 2573 xpt_done(ccb); 2574 break; 2575 } 2576 case XPT_GET_TRAN_SETTINGS: 2577 { 2578 struct ccb_trans_settings *cts = &ccb->cts; 2579 struct ccb_trans_settings_scsi *scsi = 2580 &cts->proto_specific.scsi; 2581 struct ccb_trans_settings_spi *spi = 2582 &cts->xport_specific.spi; 2583 2584 cts->protocol = PROTO_SCSI; 2585 cts->protocol_version = SCSI_REV_2; 2586 cts->transport = XPORT_SPI; /* should have a FireWire */ 2587 cts->transport_version = 2; 2588 spi->valid = CTS_SPI_VALID_DISC; 2589 spi->flags = CTS_SPI_FLAGS_DISC_ENB; 2590 scsi->valid = CTS_SCSI_VALID_TQ; 2591 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; 2592SBP_DEBUG(1) 2593 printf("%s:%d:%d XPT_GET_TRAN_SETTINGS:.\n", 2594 device_get_nameunit(sbp->fd.dev), 2595 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2596END_DEBUG 2597 cts->ccb_h.status = CAM_REQ_CMP; 2598 xpt_done(ccb); 2599 break; 2600 } 2601 case XPT_ABORT: 2602 ccb->ccb_h.status = CAM_UA_ABORT; 2603 xpt_done(ccb); 2604 break; 2605 case XPT_SET_TRAN_SETTINGS: 2606 /* XXX */ 2607 default: 2608 ccb->ccb_h.status = CAM_REQ_INVALID; 2609 xpt_done(ccb); 2610 break; 2611 } 2612 return; 2613} 2614 2615static void 2616sbp_action(struct cam_sim *sim, union ccb *ccb) 2617{ 2618 int s; 2619 2620 s = splfw(); 2621 sbp_action1(sim, ccb); 2622 splx(s); 2623} 2624 2625static void 2626sbp_execute_ocb(void *arg, bus_dma_segment_t *segments, int seg, int error) 2627{ 2628 int i; 2629 struct sbp_ocb *ocb; 2630 struct sbp_ocb *prev; 2631 bus_dma_segment_t *s; 2632 2633 if (error) 2634 printf("sbp_execute_ocb: error=%d\n", error); 2635 2636 ocb = (struct sbp_ocb *)arg; 2637 2638SBP_DEBUG(2) 2639 printf("sbp_execute_ocb: seg %d", seg); 2640 for (i = 0; i < seg; i++) 2641#if defined(__DragonFly__) || __FreeBSD_version < 500000 2642 printf(", %x:%d", segments[i].ds_addr, segments[i].ds_len); 2643#else 2644 printf(", %jx:%jd", (uintmax_t)segments[i].ds_addr, 2645 (uintmax_t)segments[i].ds_len); 2646#endif 2647 printf("\n"); 2648END_DEBUG 2649 2650 if (seg == 1) { 2651 /* direct pointer */ 2652 s = &segments[0]; 2653 if (s->ds_len > SBP_SEG_MAX) 2654 panic("ds_len > SBP_SEG_MAX, fix busdma code"); 2655 ocb->orb[3] = htonl(s->ds_addr); 2656 ocb->orb[4] |= htonl(s->ds_len); 2657 } else if(seg > 1) { 2658 /* page table */ 2659 for (i = 0; i < seg; i++) { 2660 s = &segments[i]; 2661SBP_DEBUG(0) 2662 /* XXX LSI Logic "< 16 byte" bug might be hit */ 2663 if (s->ds_len < 16) 2664 printf("sbp_execute_ocb: warning, " 2665#if defined(__DragonFly__) || __FreeBSD_version < 500000 2666 "segment length(%d) is less than 16." 2667#else 2668 "segment length(%zd) is less than 16." 2669#endif 2670 "(seg=%d/%d)\n", s->ds_len, i+1, seg); 2671END_DEBUG 2672 if (s->ds_len > SBP_SEG_MAX) 2673 panic("ds_len > SBP_SEG_MAX, fix busdma code"); 2674 ocb->ind_ptr[i].hi = htonl(s->ds_len << 16); 2675 ocb->ind_ptr[i].lo = htonl(s->ds_addr); 2676 } 2677 ocb->orb[4] |= htonl(ORB_CMD_PTBL | seg); 2678 } 2679 2680 if (seg > 0) 2681 bus_dmamap_sync(ocb->sdev->target->sbp->dmat, ocb->dmamap, 2682 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2683 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE); 2684 prev = sbp_enqueue_ocb(ocb->sdev, ocb); 2685 fwdma_sync(&ocb->sdev->dma, BUS_DMASYNC_PREWRITE); 2686 if (use_doorbell) { 2687 if (prev == NULL) { 2688 if (ocb->sdev->last_ocb != NULL) 2689 sbp_doorbell(ocb->sdev); 2690 else 2691 sbp_orb_pointer(ocb->sdev, ocb); 2692 } 2693 } else { 2694 if (prev == NULL || (ocb->sdev->flags & ORB_LINK_DEAD) != 0) { 2695 ocb->sdev->flags &= ~ORB_LINK_DEAD; 2696 sbp_orb_pointer(ocb->sdev, ocb); 2697 } 2698 } 2699} 2700 2701static void 2702sbp_poll(struct cam_sim *sim) 2703{ 2704 struct sbp_softc *sbp; 2705 struct firewire_comm *fc; 2706 2707 sbp = (struct sbp_softc *)sim->softc; 2708 fc = sbp->fd.fc; 2709 2710 fc->poll(fc, 0, -1); 2711 2712 return; 2713} 2714 2715static struct sbp_ocb * 2716sbp_dequeue_ocb(struct sbp_dev *sdev, struct sbp_status *sbp_status) 2717{ 2718 struct sbp_ocb *ocb; 2719 struct sbp_ocb *next; 2720 int s = splfw(), order = 0; 2721 int flags; 2722 2723SBP_DEBUG(1) 2724 sbp_show_sdev_info(sdev, 2); 2725#if defined(__DragonFly__) || __FreeBSD_version < 500000 2726 printf("%s: 0x%08lx src %d\n", 2727#else 2728 printf("%s: 0x%08x src %d\n", 2729#endif 2730 __func__, ntohl(sbp_status->orb_lo), sbp_status->src); 2731END_DEBUG 2732 SBP_LOCK(sdev->target->sbp); 2733 for (ocb = STAILQ_FIRST(&sdev->ocbs); ocb != NULL; ocb = next) { 2734 next = STAILQ_NEXT(ocb, ocb); 2735 flags = ocb->flags; 2736 if (OCB_MATCH(ocb, sbp_status)) { 2737 /* found */ 2738 STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb); 2739 if (ocb->ccb != NULL) 2740 untimeout(sbp_timeout, (caddr_t)ocb, 2741 ocb->ccb->ccb_h.timeout_ch); 2742 if (ntohl(ocb->orb[4]) & 0xffff) { 2743 bus_dmamap_sync(sdev->target->sbp->dmat, 2744 ocb->dmamap, 2745 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2746 BUS_DMASYNC_POSTREAD : 2747 BUS_DMASYNC_POSTWRITE); 2748 bus_dmamap_unload(sdev->target->sbp->dmat, 2749 ocb->dmamap); 2750 } 2751 if (!use_doorbell) { 2752 if (sbp_status->src == SRC_NO_NEXT) { 2753 if (next != NULL) 2754 sbp_orb_pointer(sdev, next); 2755 else if (order > 0) { 2756 /* 2757 * Unordered execution 2758 * We need to send pointer for 2759 * next ORB 2760 */ 2761 sdev->flags |= ORB_LINK_DEAD; 2762 } 2763 } 2764 } else { 2765 /* 2766 * XXX this is not correct for unordered 2767 * execution. 2768 */ 2769 if (sdev->last_ocb != NULL) 2770 sbp_free_ocb(sdev, sdev->last_ocb); 2771 sdev->last_ocb = ocb; 2772 if (next != NULL && 2773 sbp_status->src == SRC_NO_NEXT) 2774 sbp_doorbell(sdev); 2775 } 2776 break; 2777 } else 2778 order ++; 2779 } 2780 SBP_UNLOCK(sdev->target->sbp); 2781 splx(s); 2782SBP_DEBUG(0) 2783 if (ocb && order > 0) { 2784 sbp_show_sdev_info(sdev, 2); 2785 printf("unordered execution order:%d\n", order); 2786 } 2787END_DEBUG 2788 return (ocb); 2789} 2790 2791static struct sbp_ocb * 2792sbp_enqueue_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 2793{ 2794 int s = splfw(); 2795 struct sbp_ocb *prev, *prev2; 2796 2797SBP_DEBUG(1) 2798 sbp_show_sdev_info(sdev, 2); 2799#if defined(__DragonFly__) || __FreeBSD_version < 500000 2800 printf("%s: 0x%08x\n", __func__, ocb->bus_addr); 2801#else 2802 printf("%s: 0x%08jx\n", __func__, (uintmax_t)ocb->bus_addr); 2803#endif 2804END_DEBUG 2805 prev2 = prev = STAILQ_LAST(&sdev->ocbs, sbp_ocb, ocb); 2806 STAILQ_INSERT_TAIL(&sdev->ocbs, ocb, ocb); 2807 2808 if (ocb->ccb != NULL) 2809 ocb->ccb->ccb_h.timeout_ch = timeout(sbp_timeout, (caddr_t)ocb, 2810 (ocb->ccb->ccb_h.timeout * hz) / 1000); 2811 2812 if (use_doorbell && prev == NULL) 2813 prev2 = sdev->last_ocb; 2814 2815 if (prev2 != NULL) { 2816SBP_DEBUG(2) 2817#if defined(__DragonFly__) || __FreeBSD_version < 500000 2818 printf("linking chain 0x%x -> 0x%x\n", 2819 prev2->bus_addr, ocb->bus_addr); 2820#else 2821 printf("linking chain 0x%jx -> 0x%jx\n", 2822 (uintmax_t)prev2->bus_addr, (uintmax_t)ocb->bus_addr); 2823#endif 2824END_DEBUG 2825 prev2->orb[1] = htonl(ocb->bus_addr); 2826 prev2->orb[0] = 0; 2827 } 2828 splx(s); 2829 2830 return prev; 2831} 2832 2833static struct sbp_ocb * 2834sbp_get_ocb(struct sbp_dev *sdev) 2835{ 2836 struct sbp_ocb *ocb; 2837 int s = splfw(); 2838 2839 mtx_assert(&sdev->target->sbp->mtx, MA_OWNED); 2840 ocb = STAILQ_FIRST(&sdev->free_ocbs); 2841 if (ocb == NULL) { 2842 sdev->flags |= ORB_SHORTAGE; 2843 printf("ocb shortage!!!\n"); 2844 splx(s); 2845 return NULL; 2846 } 2847 STAILQ_REMOVE_HEAD(&sdev->free_ocbs, ocb); 2848 splx(s); 2849 ocb->ccb = NULL; 2850 return (ocb); 2851} 2852 2853static void 2854sbp_free_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 2855{ 2856 ocb->flags = 0; 2857 ocb->ccb = NULL; 2858 2859 SBP_LOCK(sdev->target->sbp); 2860 STAILQ_INSERT_TAIL(&sdev->free_ocbs, ocb, ocb); 2861 if ((sdev->flags & ORB_SHORTAGE) != 0) { 2862 int count; 2863 2864 sdev->flags &= ~ORB_SHORTAGE; 2865 count = sdev->freeze; 2866 sdev->freeze = 0; 2867 xpt_release_devq(sdev->path, count, TRUE); 2868 } 2869 SBP_UNLOCK(sdev->target->sbp); 2870} 2871 2872static void 2873sbp_abort_ocb(struct sbp_ocb *ocb, int status) 2874{ 2875 struct sbp_dev *sdev; 2876 2877 sdev = ocb->sdev; 2878SBP_DEBUG(0) 2879 sbp_show_sdev_info(sdev, 2); 2880#if defined(__DragonFly__) || __FreeBSD_version < 500000 2881 printf("sbp_abort_ocb 0x%x\n", ocb->bus_addr); 2882#else 2883 printf("sbp_abort_ocb 0x%jx\n", (uintmax_t)ocb->bus_addr); 2884#endif 2885END_DEBUG 2886SBP_DEBUG(1) 2887 if (ocb->ccb != NULL) 2888 sbp_print_scsi_cmd(ocb); 2889END_DEBUG 2890 if (ntohl(ocb->orb[4]) & 0xffff) { 2891 bus_dmamap_sync(sdev->target->sbp->dmat, ocb->dmamap, 2892 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2893 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 2894 bus_dmamap_unload(sdev->target->sbp->dmat, ocb->dmamap); 2895 } 2896 if (ocb->ccb != NULL) { 2897 untimeout(sbp_timeout, (caddr_t)ocb, 2898 ocb->ccb->ccb_h.timeout_ch); 2899 ocb->ccb->ccb_h.status = status; 2900 SBP_LOCK(sdev->target->sbp); 2901 xpt_done(ocb->ccb); 2902 SBP_UNLOCK(sdev->target->sbp); 2903 } 2904 sbp_free_ocb(sdev, ocb); 2905} 2906 2907static void 2908sbp_abort_all_ocbs(struct sbp_dev *sdev, int status) 2909{ 2910 int s; 2911 struct sbp_ocb *ocb, *next; 2912 STAILQ_HEAD(, sbp_ocb) temp; 2913 2914 s = splfw(); 2915 2916 bcopy(&sdev->ocbs, &temp, sizeof(temp)); 2917 STAILQ_INIT(&sdev->ocbs); 2918 for (ocb = STAILQ_FIRST(&temp); ocb != NULL; ocb = next) { 2919 next = STAILQ_NEXT(ocb, ocb); 2920 sbp_abort_ocb(ocb, status); 2921 } 2922 if (sdev->last_ocb != NULL) { 2923 sbp_free_ocb(sdev, sdev->last_ocb); 2924 sdev->last_ocb = NULL; 2925 } 2926 2927 splx(s); 2928} 2929 2930static devclass_t sbp_devclass; 2931 2932static device_method_t sbp_methods[] = { 2933 /* device interface */ 2934 DEVMETHOD(device_identify, sbp_identify), 2935 DEVMETHOD(device_probe, sbp_probe), 2936 DEVMETHOD(device_attach, sbp_attach), 2937 DEVMETHOD(device_detach, sbp_detach), 2938 DEVMETHOD(device_shutdown, sbp_shutdown), 2939 2940 { 0, 0 } 2941}; 2942 2943static driver_t sbp_driver = { 2944 "sbp", 2945 sbp_methods, 2946 sizeof(struct sbp_softc), 2947}; 2948#ifdef __DragonFly__ 2949DECLARE_DUMMY_MODULE(sbp); 2950#endif 2951DRIVER_MODULE(sbp, firewire, sbp_driver, sbp_devclass, 0, 0); 2952MODULE_VERSION(sbp, 1); 2953MODULE_DEPEND(sbp, firewire, 1, 1, 1); 2954MODULE_DEPEND(sbp, cam, 1, 1, 1); 2955