sbp.c revision 170724
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 170724 2007-06-14 12:52:13Z 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 /* We need physical access */ 828 if (!firewire_phydma_enable) 829 return; 830 831 if (sbp_cold > 0) 832 sbp_cold --; 833 834#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 printf("sbp_post_explore: EUI:%08x%08x ", 858 fwdev->eui.hi, fwdev->eui.lo); 859 if (fwdev->status != FWDEVATTACHED) 860 printf("not attached, state=%d.\n", fwdev->status); 861 else 862 printf("attached\n"); 863END_DEBUG 864 alive = SBP_FWDEV_ALIVE(fwdev); 865 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){ 866 target = &sbp->targets[i]; 867 if(target->fwdev == fwdev ) { 868 /* known target */ 869 break; 870 } 871 } 872 if(i == SBP_NUM_TARGETS){ 873 if (alive) { 874 /* new target */ 875 target = sbp_alloc_target(sbp, fwdev); 876 if (target == NULL) 877 continue; 878 } else { 879 continue; 880 } 881 } 882 sbp_probe_target((void *)target); 883 if (target->num_lun == 0) 884 sbp_free_target(target); 885 } 886 SBP_LOCK(sbp); 887 xpt_release_simq(sbp->sim, /*run queue*/TRUE); 888 sbp->sim->flags &= ~SIMQ_FREEZED; 889 SBP_UNLOCK(sbp); 890} 891 892#if NEED_RESPONSE 893static void 894sbp_loginres_callback(struct fw_xfer *xfer){ 895 int s; 896 struct sbp_dev *sdev; 897 sdev = (struct sbp_dev *)xfer->sc; 898SBP_DEBUG(1) 899 sbp_show_sdev_info(sdev, 2); 900 printf("sbp_loginres_callback\n"); 901END_DEBUG 902 /* recycle */ 903 s = splfw(); 904 STAILQ_INSERT_TAIL(&sdev->target->sbp->fwb.xferlist, xfer, link); 905 splx(s); 906 return; 907} 908#endif 909 910static __inline void 911sbp_xfer_free(struct fw_xfer *xfer) 912{ 913 struct sbp_dev *sdev; 914 int s; 915 916 sdev = (struct sbp_dev *)xfer->sc; 917 fw_xfer_unload(xfer); 918 s = splfw(); 919 SBP_LOCK(sdev->target->sbp); 920 STAILQ_INSERT_TAIL(&sdev->target->xferlist, xfer, link); 921 SBP_UNLOCK(sdev->target->sbp); 922 splx(s); 923} 924 925static void 926sbp_reset_start_callback(struct fw_xfer *xfer) 927{ 928 struct sbp_dev *tsdev, *sdev = (struct sbp_dev *)xfer->sc; 929 struct sbp_target *target = sdev->target; 930 int i; 931 932 if (xfer->resp != 0) { 933 sbp_show_sdev_info(sdev, 2); 934 printf("sbp_reset_start failed: resp=%d\n", xfer->resp); 935 } 936 937 for (i = 0; i < target->num_lun; i++) { 938 tsdev = target->luns[i]; 939 if (tsdev != NULL && tsdev->status == SBP_DEV_LOGIN) 940 sbp_login(tsdev); 941 } 942} 943 944static void 945sbp_reset_start(struct sbp_dev *sdev) 946{ 947 struct fw_xfer *xfer; 948 struct fw_pkt *fp; 949 950SBP_DEBUG(0) 951 sbp_show_sdev_info(sdev, 2); 952 printf("sbp_reset_start\n"); 953END_DEBUG 954 955 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 956 xfer->hand = sbp_reset_start_callback; 957 fp = &xfer->send.hdr; 958 fp->mode.wreqq.dest_hi = 0xffff; 959 fp->mode.wreqq.dest_lo = 0xf0000000 | RESET_START; 960 fp->mode.wreqq.data = htonl(0xf); 961 fw_asyreq(xfer->fc, -1, xfer); 962} 963 964static void 965sbp_mgm_callback(struct fw_xfer *xfer) 966{ 967 struct sbp_dev *sdev; 968 int resp; 969 970 sdev = (struct sbp_dev *)xfer->sc; 971 972SBP_DEBUG(1) 973 sbp_show_sdev_info(sdev, 2); 974 printf("sbp_mgm_callback\n"); 975END_DEBUG 976 resp = xfer->resp; 977 sbp_xfer_free(xfer); 978#if 0 979 if (resp != 0) { 980 sbp_show_sdev_info(sdev, 2); 981 printf("management ORB failed(%d) ... RESET_START\n", resp); 982 sbp_reset_start(sdev); 983 } 984#endif 985 return; 986} 987 988static struct sbp_dev * 989sbp_next_dev(struct sbp_target *target, int lun) 990{ 991 struct sbp_dev **sdevp; 992 int i; 993 994 for (i = lun, sdevp = &target->luns[lun]; i < target->num_lun; 995 i++, sdevp++) 996 if (*sdevp != NULL && (*sdevp)->status == SBP_DEV_PROBE) 997 return(*sdevp); 998 return(NULL); 999} 1000 1001#define SCAN_PRI 1 1002static void 1003sbp_cam_scan_lun(struct cam_periph *periph, union ccb *ccb) 1004{ 1005 struct sbp_target *target; 1006 struct sbp_dev *sdev; 1007 1008 sdev = (struct sbp_dev *) ccb->ccb_h.ccb_sdev_ptr; 1009 target = sdev->target; 1010SBP_DEBUG(0) 1011 sbp_show_sdev_info(sdev, 2); 1012 printf("sbp_cam_scan_lun\n"); 1013END_DEBUG 1014 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1015 sdev->status = SBP_DEV_ATTACHED; 1016 } else { 1017 sbp_show_sdev_info(sdev, 2); 1018 printf("scan failed\n"); 1019 } 1020 sdev = sbp_next_dev(target, sdev->lun_id + 1); 1021 if (sdev == NULL) { 1022 free(ccb, M_SBP); 1023 return; 1024 } 1025 /* reuse ccb */ 1026 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI); 1027 ccb->ccb_h.ccb_sdev_ptr = sdev; 1028 xpt_action(ccb); 1029 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 1030 sdev->freeze = 1; 1031} 1032 1033static void 1034sbp_cam_scan_target(void *arg) 1035{ 1036 struct sbp_target *target = (struct sbp_target *)arg; 1037 struct sbp_dev *sdev; 1038 union ccb *ccb; 1039 1040 sdev = sbp_next_dev(target, 0); 1041 if (sdev == NULL) { 1042 printf("sbp_cam_scan_target: nothing to do for target%d\n", 1043 target->target_id); 1044 return; 1045 } 1046SBP_DEBUG(0) 1047 sbp_show_sdev_info(sdev, 2); 1048 printf("sbp_cam_scan_target\n"); 1049END_DEBUG 1050 ccb = malloc(sizeof(union ccb), M_SBP, M_NOWAIT | M_ZERO); 1051 if (ccb == NULL) { 1052 printf("sbp_cam_scan_target: malloc failed\n"); 1053 return; 1054 } 1055 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI); 1056 ccb->ccb_h.func_code = XPT_SCAN_LUN; 1057 ccb->ccb_h.cbfcnp = sbp_cam_scan_lun; 1058 ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 1059 ccb->crcn.flags = CAM_FLAG_NONE; 1060 ccb->ccb_h.ccb_sdev_ptr = sdev; 1061 1062 /* The scan is in progress now. */ 1063 SBP_LOCK(target->sbp); 1064 xpt_action(ccb); 1065 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 1066 sdev->freeze = 1; 1067 SBP_UNLOCK(target->sbp); 1068} 1069 1070static __inline void 1071sbp_scan_dev(struct sbp_dev *sdev) 1072{ 1073 sdev->status = SBP_DEV_PROBE; 1074 callout_reset(&sdev->target->scan_callout, scan_delay * hz / 1000, 1075 sbp_cam_scan_target, (void *)sdev->target); 1076} 1077 1078static void 1079sbp_do_attach(struct fw_xfer *xfer) 1080{ 1081 struct sbp_dev *sdev; 1082 struct sbp_target *target; 1083 struct sbp_softc *sbp; 1084 1085 sdev = (struct sbp_dev *)xfer->sc; 1086 target = sdev->target; 1087 sbp = target->sbp; 1088SBP_DEBUG(0) 1089 sbp_show_sdev_info(sdev, 2); 1090 printf("sbp_do_attach\n"); 1091END_DEBUG 1092 sbp_xfer_free(xfer); 1093 1094 if (sdev->path == NULL) 1095 xpt_create_path(&sdev->path, xpt_periph, 1096 cam_sim_path(target->sbp->sim), 1097 target->target_id, sdev->lun_id); 1098 1099 /* 1100 * Let CAM scan the bus if we are in the boot process. 1101 * XXX xpt_scan_bus cannot detect LUN larger than 0 1102 * if LUN 0 doesn't exists. 1103 */ 1104 if (sbp_cold > 0) { 1105 sdev->status = SBP_DEV_ATTACHED; 1106 return; 1107 } 1108 1109 sbp_scan_dev(sdev); 1110 return; 1111} 1112 1113static void 1114sbp_agent_reset_callback(struct fw_xfer *xfer) 1115{ 1116 struct sbp_dev *sdev; 1117 1118 sdev = (struct sbp_dev *)xfer->sc; 1119SBP_DEBUG(1) 1120 sbp_show_sdev_info(sdev, 2); 1121 printf("%s\n", __func__); 1122END_DEBUG 1123 if (xfer->resp != 0) { 1124 sbp_show_sdev_info(sdev, 2); 1125 printf("%s: resp=%d\n", __func__, xfer->resp); 1126 } 1127 1128 sbp_xfer_free(xfer); 1129 if (sdev->path) { 1130 SBP_LOCK(sdev->target->sbp); 1131 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 1132 sdev->freeze = 0; 1133 SBP_UNLOCK(sdev->target->sbp); 1134 } 1135} 1136 1137static void 1138sbp_agent_reset(struct sbp_dev *sdev) 1139{ 1140 struct fw_xfer *xfer; 1141 struct fw_pkt *fp; 1142 1143SBP_DEBUG(0) 1144 sbp_show_sdev_info(sdev, 2); 1145 printf("sbp_agent_reset\n"); 1146END_DEBUG 1147 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x04); 1148 if (xfer == NULL) 1149 return; 1150 if (sdev->status == SBP_DEV_ATTACHED || sdev->status == SBP_DEV_PROBE) 1151 xfer->hand = sbp_agent_reset_callback; 1152 else 1153 xfer->hand = sbp_do_attach; 1154 fp = &xfer->send.hdr; 1155 fp->mode.wreqq.data = htonl(0xf); 1156 fw_asyreq(xfer->fc, -1, xfer); 1157 sbp_abort_all_ocbs(sdev, CAM_BDR_SENT); 1158} 1159 1160static void 1161sbp_busy_timeout_callback(struct fw_xfer *xfer) 1162{ 1163 struct sbp_dev *sdev; 1164 1165 sdev = (struct sbp_dev *)xfer->sc; 1166SBP_DEBUG(1) 1167 sbp_show_sdev_info(sdev, 2); 1168 printf("sbp_busy_timeout_callback\n"); 1169END_DEBUG 1170 sbp_xfer_free(xfer); 1171 sbp_agent_reset(sdev); 1172} 1173 1174static void 1175sbp_busy_timeout(struct sbp_dev *sdev) 1176{ 1177 struct fw_pkt *fp; 1178 struct fw_xfer *xfer; 1179SBP_DEBUG(0) 1180 sbp_show_sdev_info(sdev, 2); 1181 printf("sbp_busy_timeout\n"); 1182END_DEBUG 1183 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 1184 1185 xfer->hand = sbp_busy_timeout_callback; 1186 fp = &xfer->send.hdr; 1187 fp->mode.wreqq.dest_hi = 0xffff; 1188 fp->mode.wreqq.dest_lo = 0xf0000000 | BUSY_TIMEOUT; 1189 fp->mode.wreqq.data = htonl((1 << (13+12)) | 0xf); 1190 fw_asyreq(xfer->fc, -1, xfer); 1191} 1192 1193static void 1194sbp_orb_pointer_callback(struct fw_xfer *xfer) 1195{ 1196 struct sbp_dev *sdev; 1197 sdev = (struct sbp_dev *)xfer->sc; 1198 1199SBP_DEBUG(1) 1200 sbp_show_sdev_info(sdev, 2); 1201 printf("%s\n", __func__); 1202END_DEBUG 1203 if (xfer->resp != 0) { 1204 /* XXX */ 1205 printf("%s: xfer->resp = %d\n", __func__, xfer->resp); 1206 } 1207 sbp_xfer_free(xfer); 1208 sdev->flags &= ~ORB_POINTER_ACTIVE; 1209 1210 if ((sdev->flags & ORB_POINTER_NEED) != 0) { 1211 struct sbp_ocb *ocb; 1212 1213 sdev->flags &= ~ORB_POINTER_NEED; 1214 ocb = STAILQ_FIRST(&sdev->ocbs); 1215 if (ocb != NULL) 1216 sbp_orb_pointer(sdev, ocb); 1217 } 1218 return; 1219} 1220 1221static void 1222sbp_orb_pointer(struct sbp_dev *sdev, struct sbp_ocb *ocb) 1223{ 1224 struct fw_xfer *xfer; 1225 struct fw_pkt *fp; 1226SBP_DEBUG(1) 1227 sbp_show_sdev_info(sdev, 2); 1228 printf("%s: 0x%08x\n", __func__, (uint32_t)ocb->bus_addr); 1229END_DEBUG 1230 1231 if ((sdev->flags & ORB_POINTER_ACTIVE) != 0) { 1232SBP_DEBUG(0) 1233 printf("%s: orb pointer active\n", __func__); 1234END_DEBUG 1235 sdev->flags |= ORB_POINTER_NEED; 1236 return; 1237 } 1238 1239 sdev->flags |= ORB_POINTER_ACTIVE; 1240 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0x08); 1241 if (xfer == NULL) 1242 return; 1243 xfer->hand = sbp_orb_pointer_callback; 1244 1245 fp = &xfer->send.hdr; 1246 fp->mode.wreqb.len = 8; 1247 fp->mode.wreqb.extcode = 0; 1248 xfer->send.payload[0] = 1249 htonl(((sdev->target->sbp->fd.fc->nodeid | FWLOCALBUS )<< 16)); 1250 xfer->send.payload[1] = htonl((uint32_t)ocb->bus_addr); 1251 1252 if(fw_asyreq(xfer->fc, -1, xfer) != 0){ 1253 sbp_xfer_free(xfer); 1254 ocb->ccb->ccb_h.status = CAM_REQ_INVALID; 1255 xpt_done(ocb->ccb); 1256 } 1257} 1258 1259static void 1260sbp_doorbell_callback(struct fw_xfer *xfer) 1261{ 1262 struct sbp_dev *sdev; 1263 sdev = (struct sbp_dev *)xfer->sc; 1264 1265SBP_DEBUG(1) 1266 sbp_show_sdev_info(sdev, 2); 1267 printf("sbp_doorbell_callback\n"); 1268END_DEBUG 1269 if (xfer->resp != 0) { 1270 /* XXX */ 1271 printf("%s: xfer->resp = %d\n", __func__, xfer->resp); 1272 } 1273 sbp_xfer_free(xfer); 1274 sdev->flags &= ~ORB_DOORBELL_ACTIVE; 1275 if ((sdev->flags & ORB_DOORBELL_NEED) != 0) { 1276 sdev->flags &= ~ORB_DOORBELL_NEED; 1277 sbp_doorbell(sdev); 1278 } 1279 return; 1280} 1281 1282static void 1283sbp_doorbell(struct sbp_dev *sdev) 1284{ 1285 struct fw_xfer *xfer; 1286 struct fw_pkt *fp; 1287SBP_DEBUG(1) 1288 sbp_show_sdev_info(sdev, 2); 1289 printf("sbp_doorbell\n"); 1290END_DEBUG 1291 1292 if ((sdev->flags & ORB_DOORBELL_ACTIVE) != 0) { 1293 sdev->flags |= ORB_DOORBELL_NEED; 1294 return; 1295 } 1296 sdev->flags |= ORB_DOORBELL_ACTIVE; 1297 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x10); 1298 if (xfer == NULL) 1299 return; 1300 xfer->hand = sbp_doorbell_callback; 1301 fp = &xfer->send.hdr; 1302 fp->mode.wreqq.data = htonl(0xf); 1303 fw_asyreq(xfer->fc, -1, xfer); 1304} 1305 1306static struct fw_xfer * 1307sbp_write_cmd(struct sbp_dev *sdev, int tcode, int offset) 1308{ 1309 struct fw_xfer *xfer; 1310 struct fw_pkt *fp; 1311 struct sbp_target *target; 1312 int s, new = 0; 1313 1314 target = sdev->target; 1315 s = splfw(); 1316 xfer = STAILQ_FIRST(&target->xferlist); 1317 if (xfer == NULL) { 1318 if (target->n_xfer > 5 /* XXX */) { 1319 printf("sbp: no more xfer for this target\n"); 1320 splx(s); 1321 return(NULL); 1322 } 1323 xfer = fw_xfer_alloc_buf(M_SBP, 8, 0); 1324 if(xfer == NULL){ 1325 printf("sbp: fw_xfer_alloc_buf failed\n"); 1326 splx(s); 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 splx(s); 1337 1338 microtime(&xfer->tv); 1339 1340 if (new) { 1341 xfer->recv.pay_len = 0; 1342 xfer->send.spd = min(sdev->target->fwdev->speed, max_speed); 1343 xfer->fc = sdev->target->sbp->fd.fc; 1344 } 1345 1346 if (tcode == FWTCODE_WREQB) 1347 xfer->send.pay_len = 8; 1348 else 1349 xfer->send.pay_len = 0; 1350 1351 xfer->sc = (caddr_t)sdev; 1352 fp = &xfer->send.hdr; 1353 fp->mode.wreqq.dest_hi = sdev->login->cmd_hi; 1354 fp->mode.wreqq.dest_lo = sdev->login->cmd_lo + offset; 1355 fp->mode.wreqq.tlrt = 0; 1356 fp->mode.wreqq.tcode = tcode; 1357 fp->mode.wreqq.pri = 0; 1358 fp->mode.wreqq.dst = FWLOCALBUS | sdev->target->fwdev->dst; 1359 1360 return xfer; 1361 1362} 1363 1364static void 1365sbp_mgm_orb(struct sbp_dev *sdev, int func, struct sbp_ocb *aocb) 1366{ 1367 struct fw_xfer *xfer; 1368 struct fw_pkt *fp; 1369 struct sbp_ocb *ocb; 1370 struct sbp_target *target; 1371 int s, nid; 1372 1373 target = sdev->target; 1374 nid = target->sbp->fd.fc->nodeid | FWLOCALBUS; 1375 1376 s = splfw(); 1377 SBP_LOCK(target->sbp); 1378 if (func == ORB_FUN_RUNQUEUE) { 1379 ocb = STAILQ_FIRST(&target->mgm_ocb_queue); 1380 if (target->mgm_ocb_cur != NULL || ocb == NULL) { 1381 SBP_UNLOCK(target->sbp); 1382 splx(s); 1383 return; 1384 } 1385 STAILQ_REMOVE_HEAD(&target->mgm_ocb_queue, ocb); 1386 SBP_UNLOCK(target->sbp); 1387 goto start; 1388 } 1389 if ((ocb = sbp_get_ocb(sdev)) == NULL) { 1390 SBP_UNLOCK(target->sbp); 1391 splx(s); 1392 /* XXX */ 1393 return; 1394 } 1395 SBP_UNLOCK(target->sbp); 1396 ocb->flags = OCB_ACT_MGM; 1397 ocb->sdev = sdev; 1398 1399 bzero((void *)ocb->orb, sizeof(ocb->orb)); 1400 ocb->orb[6] = htonl((nid << 16) | SBP_BIND_HI); 1401 ocb->orb[7] = htonl(SBP_DEV2ADDR(target->target_id, sdev->lun_id)); 1402 1403SBP_DEBUG(0) 1404 sbp_show_sdev_info(sdev, 2); 1405 printf("%s\n", orb_fun_name[(func>>16)&0xf]); 1406END_DEBUG 1407 switch (func) { 1408 case ORB_FUN_LGI: 1409 ocb->orb[0] = ocb->orb[1] = 0; /* password */ 1410 ocb->orb[2] = htonl(nid << 16); 1411 ocb->orb[3] = htonl(sdev->dma.bus_addr); 1412 ocb->orb[4] = htonl(ORB_NOTIFY | sdev->lun_id); 1413 if (ex_login) 1414 ocb->orb[4] |= htonl(ORB_EXV); 1415 ocb->orb[5] = htonl(SBP_LOGIN_SIZE); 1416 fwdma_sync(&sdev->dma, BUS_DMASYNC_PREREAD); 1417 break; 1418 case ORB_FUN_ATA: 1419 ocb->orb[0] = htonl((0 << 16) | 0); 1420 ocb->orb[1] = htonl(aocb->bus_addr & 0xffffffff); 1421 /* fall through */ 1422 case ORB_FUN_RCN: 1423 case ORB_FUN_LGO: 1424 case ORB_FUN_LUR: 1425 case ORB_FUN_RST: 1426 case ORB_FUN_ATS: 1427 ocb->orb[4] = htonl(ORB_NOTIFY | func | sdev->login->id); 1428 break; 1429 } 1430 1431 if (target->mgm_ocb_cur != NULL) { 1432 /* there is a standing ORB */ 1433 SBP_LOCK(target->sbp); 1434 STAILQ_INSERT_TAIL(&sdev->target->mgm_ocb_queue, ocb, ocb); 1435 SBP_UNLOCK(target->sbp); 1436 splx(s); 1437 return; 1438 } 1439start: 1440 target->mgm_ocb_cur = ocb; 1441 splx(s); 1442 1443 callout_reset(&target->mgm_ocb_timeout, 5*hz, 1444 sbp_mgm_timeout, (caddr_t)ocb); 1445 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0); 1446 if(xfer == NULL){ 1447 return; 1448 } 1449 xfer->hand = sbp_mgm_callback; 1450 1451 fp = &xfer->send.hdr; 1452 fp->mode.wreqb.dest_hi = sdev->target->mgm_hi; 1453 fp->mode.wreqb.dest_lo = sdev->target->mgm_lo; 1454 fp->mode.wreqb.len = 8; 1455 fp->mode.wreqb.extcode = 0; 1456 xfer->send.payload[0] = htonl(nid << 16); 1457 xfer->send.payload[1] = htonl(ocb->bus_addr & 0xffffffff); 1458SBP_DEBUG(0) 1459 sbp_show_sdev_info(sdev, 2); 1460 printf("mgm orb: %08x\n", (uint32_t)ocb->bus_addr); 1461END_DEBUG 1462 1463 fw_asyreq(xfer->fc, -1, xfer); 1464} 1465 1466static void 1467sbp_print_scsi_cmd(struct sbp_ocb *ocb) 1468{ 1469 struct ccb_scsiio *csio; 1470 1471 csio = &ocb->ccb->csio; 1472 printf("%s:%d:%d XPT_SCSI_IO: " 1473 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 1474 ", flags: 0x%02x, " 1475 "%db cmd/%db data/%db sense\n", 1476 device_get_nameunit(ocb->sdev->target->sbp->fd.dev), 1477 ocb->ccb->ccb_h.target_id, ocb->ccb->ccb_h.target_lun, 1478 csio->cdb_io.cdb_bytes[0], 1479 csio->cdb_io.cdb_bytes[1], 1480 csio->cdb_io.cdb_bytes[2], 1481 csio->cdb_io.cdb_bytes[3], 1482 csio->cdb_io.cdb_bytes[4], 1483 csio->cdb_io.cdb_bytes[5], 1484 csio->cdb_io.cdb_bytes[6], 1485 csio->cdb_io.cdb_bytes[7], 1486 csio->cdb_io.cdb_bytes[8], 1487 csio->cdb_io.cdb_bytes[9], 1488 ocb->ccb->ccb_h.flags & CAM_DIR_MASK, 1489 csio->cdb_len, csio->dxfer_len, 1490 csio->sense_len); 1491} 1492 1493static void 1494sbp_scsi_status(struct sbp_status *sbp_status, struct sbp_ocb *ocb) 1495{ 1496 struct sbp_cmd_status *sbp_cmd_status; 1497 struct scsi_sense_data *sense; 1498 1499 sbp_cmd_status = (struct sbp_cmd_status *)sbp_status->data; 1500 sense = &ocb->ccb->csio.sense_data; 1501 1502SBP_DEBUG(0) 1503 sbp_print_scsi_cmd(ocb); 1504 /* XXX need decode status */ 1505 sbp_show_sdev_info(ocb->sdev, 2); 1506 printf("SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d\n", 1507 sbp_cmd_status->status, 1508 sbp_cmd_status->sfmt, 1509 sbp_cmd_status->valid, 1510 sbp_cmd_status->s_key, 1511 sbp_cmd_status->s_code, 1512 sbp_cmd_status->s_qlfr, 1513 sbp_status->len 1514 ); 1515END_DEBUG 1516 1517 switch (sbp_cmd_status->status) { 1518 case SCSI_STATUS_CHECK_COND: 1519 case SCSI_STATUS_BUSY: 1520 case SCSI_STATUS_CMD_TERMINATED: 1521 if(sbp_cmd_status->sfmt == SBP_SFMT_CURR){ 1522 sense->error_code = SSD_CURRENT_ERROR; 1523 }else{ 1524 sense->error_code = SSD_DEFERRED_ERROR; 1525 } 1526 if(sbp_cmd_status->valid) 1527 sense->error_code |= SSD_ERRCODE_VALID; 1528 sense->flags = sbp_cmd_status->s_key; 1529 if(sbp_cmd_status->mark) 1530 sense->flags |= SSD_FILEMARK; 1531 if(sbp_cmd_status->eom) 1532 sense->flags |= SSD_EOM; 1533 if(sbp_cmd_status->ill_len) 1534 sense->flags |= SSD_ILI; 1535 1536 bcopy(&sbp_cmd_status->info, &sense->info[0], 4); 1537 1538 if (sbp_status->len <= 1) 1539 /* XXX not scsi status. shouldn't be happened */ 1540 sense->extra_len = 0; 1541 else if (sbp_status->len <= 4) 1542 /* add_sense_code(_qual), info, cmd_spec_info */ 1543 sense->extra_len = 6; 1544 else 1545 /* fru, sense_key_spec */ 1546 sense->extra_len = 10; 1547 1548 bcopy(&sbp_cmd_status->cdb, &sense->cmd_spec_info[0], 4); 1549 1550 sense->add_sense_code = sbp_cmd_status->s_code; 1551 sense->add_sense_code_qual = sbp_cmd_status->s_qlfr; 1552 sense->fru = sbp_cmd_status->fru; 1553 1554 bcopy(&sbp_cmd_status->s_keydep[0], 1555 &sense->sense_key_spec[0], 3); 1556 1557 ocb->ccb->csio.scsi_status = sbp_cmd_status->status;; 1558 ocb->ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR 1559 | CAM_AUTOSNS_VALID; 1560/* 1561{ 1562 uint8_t j, *tmp; 1563 tmp = sense; 1564 for( j = 0 ; j < 32 ; j+=8){ 1565 printf("sense %02x%02x %02x%02x %02x%02x %02x%02x\n", 1566 tmp[j], tmp[j+1], tmp[j+2], tmp[j+3], 1567 tmp[j+4], tmp[j+5], tmp[j+6], tmp[j+7]); 1568 } 1569 1570} 1571*/ 1572 break; 1573 default: 1574 sbp_show_sdev_info(ocb->sdev, 2); 1575 printf("sbp_scsi_status: unknown scsi status 0x%x\n", 1576 sbp_cmd_status->status); 1577 } 1578} 1579 1580static void 1581sbp_fix_inq_data(struct sbp_ocb *ocb) 1582{ 1583 union ccb *ccb; 1584 struct sbp_dev *sdev; 1585 struct scsi_inquiry_data *inq; 1586 1587 ccb = ocb->ccb; 1588 sdev = ocb->sdev; 1589 1590 if (ccb->csio.cdb_io.cdb_bytes[1] & SI_EVPD) 1591 return; 1592SBP_DEBUG(1) 1593 sbp_show_sdev_info(sdev, 2); 1594 printf("sbp_fix_inq_data\n"); 1595END_DEBUG 1596 inq = (struct scsi_inquiry_data *) ccb->csio.data_ptr; 1597 switch (SID_TYPE(inq)) { 1598 case T_DIRECT: 1599#if 0 1600 /* 1601 * XXX Convert Direct Access device to RBC. 1602 * I've never seen FireWire DA devices which support READ_6. 1603 */ 1604 if (SID_TYPE(inq) == T_DIRECT) 1605 inq->device |= T_RBC; /* T_DIRECT == 0 */ 1606#endif 1607 /* fall through */ 1608 case T_RBC: 1609 /* 1610 * Override vendor/product/revision information. 1611 * Some devices sometimes return strange strings. 1612 */ 1613#if 1 1614 bcopy(sdev->vendor, inq->vendor, sizeof(inq->vendor)); 1615 bcopy(sdev->product, inq->product, sizeof(inq->product)); 1616 bcopy(sdev->revision+2, inq->revision, sizeof(inq->revision)); 1617#endif 1618 break; 1619 } 1620 /* 1621 * Force to enable/disable tagged queuing. 1622 * XXX CAM also checks SCP_QUEUE_DQUE flag in the control mode page. 1623 */ 1624 if (sbp_tags > 0) 1625 inq->flags |= SID_CmdQue; 1626 else if (sbp_tags < 0) 1627 inq->flags &= ~SID_CmdQue; 1628 1629} 1630 1631static void 1632sbp_recv1(struct fw_xfer *xfer) 1633{ 1634 struct fw_pkt *rfp; 1635#if NEED_RESPONSE 1636 struct fw_pkt *sfp; 1637#endif 1638 struct sbp_softc *sbp; 1639 struct sbp_dev *sdev; 1640 struct sbp_ocb *ocb; 1641 struct sbp_login_res *login_res = NULL; 1642 struct sbp_status *sbp_status; 1643 struct sbp_target *target; 1644 int orb_fun, status_valid0, status_valid, t, l, reset_agent = 0; 1645 uint32_t addr; 1646/* 1647 uint32_t *ld; 1648 ld = xfer->recv.buf; 1649printf("sbp %x %d %d %08x %08x %08x %08x\n", 1650 xfer->resp, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3])); 1651printf("sbp %08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 1652printf("sbp %08x %08x %08x %08x\n", ntohl(ld[8]), ntohl(ld[9]), ntohl(ld[10]), ntohl(ld[11])); 1653*/ 1654 sbp = (struct sbp_softc *)xfer->sc; 1655 if (xfer->resp != 0){ 1656 printf("sbp_recv: xfer->resp = %d\n", xfer->resp); 1657 goto done0; 1658 } 1659 if (xfer->recv.payload == NULL){ 1660 printf("sbp_recv: xfer->recv.payload == NULL\n"); 1661 goto done0; 1662 } 1663 rfp = &xfer->recv.hdr; 1664 if(rfp->mode.wreqb.tcode != FWTCODE_WREQB){ 1665 printf("sbp_recv: tcode = %d\n", rfp->mode.wreqb.tcode); 1666 goto done0; 1667 } 1668 sbp_status = (struct sbp_status *)xfer->recv.payload; 1669 addr = rfp->mode.wreqb.dest_lo; 1670SBP_DEBUG(2) 1671 printf("received address 0x%x\n", addr); 1672END_DEBUG 1673 t = SBP_ADDR2TRG(addr); 1674 if (t >= SBP_NUM_TARGETS) { 1675 device_printf(sbp->fd.dev, 1676 "sbp_recv1: invalid target %d\n", t); 1677 goto done0; 1678 } 1679 target = &sbp->targets[t]; 1680 l = SBP_ADDR2LUN(addr); 1681 if (l >= target->num_lun || target->luns[l] == NULL) { 1682 device_printf(sbp->fd.dev, 1683 "sbp_recv1: invalid lun %d (target=%d)\n", l, t); 1684 goto done0; 1685 } 1686 sdev = target->luns[l]; 1687 1688 ocb = NULL; 1689 switch (sbp_status->src) { 1690 case 0: 1691 case 1: 1692 /* check mgm_ocb_cur first */ 1693 ocb = target->mgm_ocb_cur; 1694 if (ocb != NULL) { 1695 if (OCB_MATCH(ocb, sbp_status)) { 1696 callout_stop(&target->mgm_ocb_timeout); 1697 target->mgm_ocb_cur = NULL; 1698 break; 1699 } 1700 } 1701 ocb = sbp_dequeue_ocb(sdev, sbp_status); 1702 if (ocb == NULL) { 1703 sbp_show_sdev_info(sdev, 2); 1704#if defined(__DragonFly__) || __FreeBSD_version < 500000 1705 printf("No ocb(%lx) on the queue\n", 1706#else 1707 printf("No ocb(%x) on the queue\n", 1708#endif 1709 ntohl(sbp_status->orb_lo)); 1710 } 1711 break; 1712 case 2: 1713 /* unsolicit */ 1714 sbp_show_sdev_info(sdev, 2); 1715 printf("unsolicit status received\n"); 1716 break; 1717 default: 1718 sbp_show_sdev_info(sdev, 2); 1719 printf("unknown sbp_status->src\n"); 1720 } 1721 1722 status_valid0 = (sbp_status->src < 2 1723 && sbp_status->resp == ORB_RES_CMPL 1724 && sbp_status->dead == 0); 1725 status_valid = (status_valid0 && sbp_status->status == 0); 1726 1727 if (!status_valid0 || debug > 2){ 1728 int status; 1729SBP_DEBUG(0) 1730 sbp_show_sdev_info(sdev, 2); 1731 printf("ORB status src:%x resp:%x dead:%x" 1732#if defined(__DragonFly__) || __FreeBSD_version < 500000 1733 " len:%x stat:%x orb:%x%08lx\n", 1734#else 1735 " len:%x stat:%x orb:%x%08x\n", 1736#endif 1737 sbp_status->src, sbp_status->resp, sbp_status->dead, 1738 sbp_status->len, sbp_status->status, 1739 ntohs(sbp_status->orb_hi), ntohl(sbp_status->orb_lo)); 1740END_DEBUG 1741 sbp_show_sdev_info(sdev, 2); 1742 status = sbp_status->status; 1743 switch(sbp_status->resp) { 1744 case 0: 1745 if (status > MAX_ORB_STATUS0) 1746 printf("%s\n", orb_status0[MAX_ORB_STATUS0]); 1747 else 1748 printf("%s\n", orb_status0[status]); 1749 break; 1750 case 1: 1751 printf("Obj: %s, Error: %s\n", 1752 orb_status1_object[(status>>6) & 3], 1753 orb_status1_serial_bus_error[status & 0xf]); 1754 break; 1755 case 2: 1756 printf("Illegal request\n"); 1757 break; 1758 case 3: 1759 printf("Vendor dependent\n"); 1760 break; 1761 default: 1762 printf("unknown respose code %d\n", sbp_status->resp); 1763 } 1764 } 1765 1766 /* we have to reset the fetch agent if it's dead */ 1767 if (sbp_status->dead) { 1768 if (sdev->path) { 1769 SBP_LOCK(sbp); 1770 xpt_freeze_devq(sdev->path, 1); 1771 sdev->freeze ++; 1772 SBP_UNLOCK(sbp); 1773 } 1774 reset_agent = 1; 1775 } 1776 1777 if (ocb == NULL) 1778 goto done; 1779 1780 switch(ntohl(ocb->orb[4]) & ORB_FMT_MSK){ 1781 case ORB_FMT_NOP: 1782 break; 1783 case ORB_FMT_VED: 1784 break; 1785 case ORB_FMT_STD: 1786 switch(ocb->flags) { 1787 case OCB_ACT_MGM: 1788 orb_fun = ntohl(ocb->orb[4]) & ORB_FUN_MSK; 1789 reset_agent = 0; 1790 switch(orb_fun) { 1791 case ORB_FUN_LGI: 1792 fwdma_sync(&sdev->dma, BUS_DMASYNC_POSTREAD); 1793 login_res = sdev->login; 1794 login_res->len = ntohs(login_res->len); 1795 login_res->id = ntohs(login_res->id); 1796 login_res->cmd_hi = ntohs(login_res->cmd_hi); 1797 login_res->cmd_lo = ntohl(login_res->cmd_lo); 1798 if (status_valid) { 1799SBP_DEBUG(0) 1800sbp_show_sdev_info(sdev, 2); 1801printf("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)); 1802END_DEBUG 1803 sbp_busy_timeout(sdev); 1804 } else { 1805 /* forgot logout? */ 1806 sbp_show_sdev_info(sdev, 2); 1807 printf("login failed\n"); 1808 sdev->status = SBP_DEV_RESET; 1809 } 1810 break; 1811 case ORB_FUN_RCN: 1812 login_res = sdev->login; 1813 if (status_valid) { 1814SBP_DEBUG(0) 1815sbp_show_sdev_info(sdev, 2); 1816printf("reconnect: len %d, ID %d, cmd %08x%08x\n", login_res->len, login_res->id, login_res->cmd_hi, login_res->cmd_lo); 1817END_DEBUG 1818#if 1 1819 if (sdev->status == SBP_DEV_ATTACHED) 1820 sbp_scan_dev(sdev); 1821 else 1822 sbp_agent_reset(sdev); 1823#else 1824 sdev->status = SBP_DEV_ATTACHED; 1825 sbp_mgm_orb(sdev, ORB_FUN_ATS, NULL); 1826#endif 1827 } else { 1828 /* reconnection hold time exceed? */ 1829SBP_DEBUG(0) 1830 sbp_show_sdev_info(sdev, 2); 1831 printf("reconnect failed\n"); 1832END_DEBUG 1833 sbp_login(sdev); 1834 } 1835 break; 1836 case ORB_FUN_LGO: 1837 sdev->status = SBP_DEV_RESET; 1838 break; 1839 case ORB_FUN_RST: 1840 sbp_busy_timeout(sdev); 1841 break; 1842 case ORB_FUN_LUR: 1843 case ORB_FUN_ATA: 1844 case ORB_FUN_ATS: 1845 sbp_agent_reset(sdev); 1846 break; 1847 default: 1848 sbp_show_sdev_info(sdev, 2); 1849 printf("unknown function %d\n", orb_fun); 1850 break; 1851 } 1852 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 1853 break; 1854 case OCB_ACT_CMD: 1855 sdev->timeout = 0; 1856 if(ocb->ccb != NULL){ 1857 union ccb *ccb; 1858/* 1859 uint32_t *ld; 1860 ld = ocb->ccb->csio.data_ptr; 1861 if(ld != NULL && ocb->ccb->csio.dxfer_len != 0) 1862 printf("ptr %08x %08x %08x %08x\n", ld[0], ld[1], ld[2], ld[3]); 1863 else 1864 printf("ptr NULL\n"); 1865printf("len %d\n", sbp_status->len); 1866*/ 1867 ccb = ocb->ccb; 1868 if(sbp_status->len > 1){ 1869 sbp_scsi_status(sbp_status, ocb); 1870 }else{ 1871 if(sbp_status->resp != ORB_RES_CMPL){ 1872 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1873 }else{ 1874 ccb->ccb_h.status = CAM_REQ_CMP; 1875 } 1876 } 1877 /* fix up inq data */ 1878 if (ccb->csio.cdb_io.cdb_bytes[0] == INQUIRY) 1879 sbp_fix_inq_data(ocb); 1880 SBP_LOCK(sbp); 1881 xpt_done(ccb); 1882 SBP_UNLOCK(sbp); 1883 } 1884 break; 1885 default: 1886 break; 1887 } 1888 } 1889 1890 if (!use_doorbell) 1891 sbp_free_ocb(sdev, ocb); 1892done: 1893 if (reset_agent) 1894 sbp_agent_reset(sdev); 1895 1896done0: 1897 xfer->recv.pay_len = SBP_RECV_LEN; 1898/* The received packet is usually small enough to be stored within 1899 * the buffer. In that case, the controller return ack_complete and 1900 * no respose is necessary. 1901 * 1902 * XXX fwohci.c and firewire.c should inform event_code such as 1903 * ack_complete or ack_pending to upper driver. 1904 */ 1905#if NEED_RESPONSE 1906 xfer->send.off = 0; 1907 sfp = (struct fw_pkt *)xfer->send.buf; 1908 sfp->mode.wres.dst = rfp->mode.wreqb.src; 1909 xfer->dst = sfp->mode.wres.dst; 1910 xfer->spd = min(sdev->target->fwdev->speed, max_speed); 1911 xfer->hand = sbp_loginres_callback; 1912 1913 sfp->mode.wres.tlrt = rfp->mode.wreqb.tlrt; 1914 sfp->mode.wres.tcode = FWTCODE_WRES; 1915 sfp->mode.wres.rtcode = 0; 1916 sfp->mode.wres.pri = 0; 1917 1918 fw_asyreq(xfer->fc, -1, xfer); 1919#else 1920 /* recycle */ 1921 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link); 1922#endif 1923 1924 return; 1925 1926} 1927 1928static void 1929sbp_recv(struct fw_xfer *xfer) 1930{ 1931 int s; 1932 1933 s = splcam(); 1934 sbp_recv1(xfer); 1935 splx(s); 1936} 1937/* 1938 * sbp_attach() 1939 */ 1940static int 1941sbp_attach(device_t dev) 1942{ 1943 struct sbp_softc *sbp; 1944 struct cam_devq *devq; 1945 struct firewire_comm *fc; 1946 int i, s, error; 1947 1948 if (DFLTPHYS > SBP_MAXPHYS) 1949 device_printf(dev, "Warning, DFLTPHYS(%dKB) is larger than " 1950 "SBP_MAXPHYS(%dKB).\n", DFLTPHYS / 1024, 1951 SBP_MAXPHYS / 1024); 1952 1953 if (!firewire_phydma_enable) 1954 device_printf(dev, "Warning, hw.firewire.phydma_enable must be 1 " 1955 "for SBP over FireWire.\n"); 1956SBP_DEBUG(0) 1957 printf("sbp_attach (cold=%d)\n", cold); 1958END_DEBUG 1959 1960 if (cold) 1961 sbp_cold ++; 1962 sbp = ((struct sbp_softc *)device_get_softc(dev)); 1963 bzero(sbp, sizeof(struct sbp_softc)); 1964 sbp->fd.dev = dev; 1965 sbp->fd.fc = fc = device_get_ivars(dev); 1966 mtx_init(&sbp->mtx, "sbp", NULL, MTX_DEF); 1967 1968 if (max_speed < 0) 1969 max_speed = fc->speed; 1970 1971 error = bus_dma_tag_create(/*parent*/fc->dmat, 1972 /* XXX shoud be 4 for sane backend? */ 1973 /*alignment*/1, 1974 /*boundary*/0, 1975 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, 1976 /*highaddr*/BUS_SPACE_MAXADDR, 1977 /*filter*/NULL, /*filterarg*/NULL, 1978 /*maxsize*/0x100000, /*nsegments*/SBP_IND_MAX, 1979 /*maxsegsz*/SBP_SEG_MAX, 1980 /*flags*/BUS_DMA_ALLOCNOW, 1981#if defined(__FreeBSD__) && __FreeBSD_version >= 501102 1982 /*lockfunc*/busdma_lock_mutex, 1983 /*lockarg*/&sbp->mtx, 1984#endif 1985 &sbp->dmat); 1986 if (error != 0) { 1987 printf("sbp_attach: Could not allocate DMA tag " 1988 "- error %d\n", error); 1989 return (ENOMEM); 1990 } 1991 1992 devq = cam_simq_alloc(/*maxopenings*/SBP_NUM_OCB); 1993 if (devq == NULL) 1994 return (ENXIO); 1995 1996 for( i = 0 ; i < SBP_NUM_TARGETS ; i++){ 1997 sbp->targets[i].fwdev = NULL; 1998 sbp->targets[i].luns = NULL; 1999 } 2000 2001 sbp->sim = cam_sim_alloc(sbp_action, sbp_poll, "sbp", sbp, 2002 device_get_unit(dev), 2003 &sbp->mtx, 2004 /*untagged*/ 1, 2005 /*tagged*/ SBP_QUEUE_LEN - 1, 2006 devq); 2007 2008 if (sbp->sim == NULL) { 2009 cam_simq_free(devq); 2010 return (ENXIO); 2011 } 2012 2013 SBP_LOCK(sbp); 2014 if (xpt_bus_register(sbp->sim, /*bus*/0) != CAM_SUCCESS) 2015 goto fail; 2016 2017 if (xpt_create_path(&sbp->path, xpt_periph, cam_sim_path(sbp->sim), 2018 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 2019 xpt_bus_deregister(cam_sim_path(sbp->sim)); 2020 goto fail; 2021 } 2022 SBP_UNLOCK(sbp); 2023 2024 /* We reserve 16 bit space (4 bytes X 64 targets X 256 luns) */ 2025 sbp->fwb.start = ((u_int64_t)SBP_BIND_HI << 32) | SBP_DEV2ADDR(0, 0); 2026 sbp->fwb.end = sbp->fwb.start + 0xffff; 2027 /* pre-allocate xfer */ 2028 STAILQ_INIT(&sbp->fwb.xferlist); 2029 fw_xferlist_add(&sbp->fwb.xferlist, M_SBP, 2030 /*send*/ 0, /*recv*/ SBP_RECV_LEN, SBP_NUM_OCB/2, 2031 fc, (void *)sbp, sbp_recv); 2032 2033 fw_bindadd(fc, &sbp->fwb); 2034 2035 sbp->fd.post_busreset = sbp_post_busreset; 2036 sbp->fd.post_explore = sbp_post_explore; 2037 2038 if (fc->status != -1) { 2039 s = splfw(); 2040 sbp_post_busreset((void *)sbp); 2041 sbp_post_explore((void *)sbp); 2042 splx(s); 2043 } 2044 SBP_LOCK(sbp); 2045 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL); 2046 SBP_UNLOCK(sbp); 2047 2048 return (0); 2049fail: 2050 SBP_UNLOCK(sbp); 2051 cam_sim_free(sbp->sim, /*free_devq*/TRUE); 2052 return (ENXIO); 2053} 2054 2055static int 2056sbp_logout_all(struct sbp_softc *sbp) 2057{ 2058 struct sbp_target *target; 2059 struct sbp_dev *sdev; 2060 int i, j; 2061 2062SBP_DEBUG(0) 2063 printf("sbp_logout_all\n"); 2064END_DEBUG 2065 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) { 2066 target = &sbp->targets[i]; 2067 if (target->luns == NULL) 2068 continue; 2069 for (j = 0; j < target->num_lun; j++) { 2070 sdev = target->luns[j]; 2071 if (sdev == NULL) 2072 continue; 2073 callout_stop(&sdev->login_callout); 2074 if (sdev->status >= SBP_DEV_TOATTACH && 2075 sdev->status <= SBP_DEV_ATTACHED) 2076 sbp_mgm_orb(sdev, ORB_FUN_LGO, NULL); 2077 } 2078 } 2079 2080 return 0; 2081} 2082 2083static int 2084sbp_shutdown(device_t dev) 2085{ 2086 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 2087 2088 sbp_logout_all(sbp); 2089 return (0); 2090} 2091 2092static void 2093sbp_free_sdev(struct sbp_dev *sdev) 2094{ 2095 int i; 2096 2097 if (sdev == NULL) 2098 return; 2099 for (i = 0; i < SBP_QUEUE_LEN; i++) 2100 bus_dmamap_destroy(sdev->target->sbp->dmat, 2101 sdev->ocb[i].dmamap); 2102 fwdma_free(sdev->target->sbp->fd.fc, &sdev->dma); 2103 free(sdev, M_SBP); 2104} 2105 2106static void 2107sbp_free_target(struct sbp_target *target) 2108{ 2109 struct sbp_softc *sbp; 2110 struct fw_xfer *xfer, *next; 2111 int i; 2112 2113 if (target->luns == NULL) 2114 return; 2115 callout_stop(&target->mgm_ocb_timeout); 2116 sbp = target->sbp; 2117 for (i = 0; i < target->num_lun; i++) 2118 sbp_free_sdev(target->luns[i]); 2119 2120 for (xfer = STAILQ_FIRST(&target->xferlist); 2121 xfer != NULL; xfer = next) { 2122 next = STAILQ_NEXT(xfer, link); 2123 fw_xfer_free_buf(xfer); 2124 } 2125 STAILQ_INIT(&target->xferlist); 2126 free(target->luns, M_SBP); 2127 target->num_lun = 0;; 2128 target->luns = NULL; 2129 target->fwdev = NULL; 2130} 2131 2132static int 2133sbp_detach(device_t dev) 2134{ 2135 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 2136 struct firewire_comm *fc = sbp->fd.fc; 2137 int i; 2138 2139SBP_DEBUG(0) 2140 printf("sbp_detach\n"); 2141END_DEBUG 2142 2143 for (i = 0; i < SBP_NUM_TARGETS; i ++) 2144 sbp_cam_detach_target(&sbp->targets[i]); 2145 2146 SBP_LOCK(sbp); 2147 xpt_async(AC_LOST_DEVICE, sbp->path, NULL); 2148 xpt_free_path(sbp->path); 2149 xpt_bus_deregister(cam_sim_path(sbp->sim)); 2150 cam_sim_free(sbp->sim, /*free_devq*/ TRUE); 2151 SBP_UNLOCK(sbp); 2152 2153 sbp_logout_all(sbp); 2154 2155 /* XXX wait for logout completion */ 2156 pause("sbpdtc", hz/2); 2157 2158 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) 2159 sbp_free_target(&sbp->targets[i]); 2160 2161 fw_bindremove(fc, &sbp->fwb); 2162 fw_xferlist_remove(&sbp->fwb.xferlist); 2163 2164 bus_dma_tag_destroy(sbp->dmat); 2165 mtx_destroy(&sbp->mtx); 2166 2167 return (0); 2168} 2169 2170static void 2171sbp_cam_detach_sdev(struct sbp_dev *sdev) 2172{ 2173 if (sdev == NULL) 2174 return; 2175 if (sdev->status == SBP_DEV_DEAD) 2176 return; 2177 if (sdev->status == SBP_DEV_RESET) 2178 return; 2179 sbp_abort_all_ocbs(sdev, CAM_DEV_NOT_THERE); 2180 if (sdev->path) { 2181 SBP_LOCK(sdev->target->sbp); 2182 xpt_release_devq(sdev->path, 2183 sdev->freeze, TRUE); 2184 sdev->freeze = 0; 2185 xpt_async(AC_LOST_DEVICE, sdev->path, NULL); 2186 xpt_free_path(sdev->path); 2187 sdev->path = NULL; 2188 SBP_UNLOCK(sdev->target->sbp); 2189 } 2190} 2191 2192static void 2193sbp_cam_detach_target(struct sbp_target *target) 2194{ 2195 int i; 2196 2197 if (target->luns != NULL) { 2198SBP_DEBUG(0) 2199 printf("sbp_detach_target %d\n", target->target_id); 2200END_DEBUG 2201 callout_stop(&target->scan_callout); 2202 for (i = 0; i < target->num_lun; i++) 2203 sbp_cam_detach_sdev(target->luns[i]); 2204 } 2205} 2206 2207static void 2208sbp_target_reset(struct sbp_dev *sdev, int method) 2209{ 2210 int i; 2211 struct sbp_target *target = sdev->target; 2212 struct sbp_dev *tsdev; 2213 2214 for (i = 0; i < target->num_lun; i++) { 2215 tsdev = target->luns[i]; 2216 if (tsdev == NULL) 2217 continue; 2218 if (tsdev->status == SBP_DEV_DEAD) 2219 continue; 2220 if (tsdev->status == SBP_DEV_RESET) 2221 continue; 2222 SBP_LOCK(target->sbp); 2223 xpt_freeze_devq(tsdev->path, 1); 2224 tsdev->freeze ++; 2225 SBP_UNLOCK(target->sbp); 2226 sbp_abort_all_ocbs(tsdev, CAM_CMD_TIMEOUT); 2227 if (method == 2) 2228 tsdev->status = SBP_DEV_LOGIN; 2229 } 2230 switch(method) { 2231 case 1: 2232 printf("target reset\n"); 2233 sbp_mgm_orb(sdev, ORB_FUN_RST, NULL); 2234 break; 2235 case 2: 2236 printf("reset start\n"); 2237 sbp_reset_start(sdev); 2238 break; 2239 } 2240 2241} 2242 2243static void 2244sbp_mgm_timeout(void *arg) 2245{ 2246 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 2247 struct sbp_dev *sdev = ocb->sdev; 2248 struct sbp_target *target = sdev->target; 2249 2250 sbp_show_sdev_info(sdev, 2); 2251 printf("request timeout(mgm orb:0x%08x) ... ", 2252 (uint32_t)ocb->bus_addr); 2253 target->mgm_ocb_cur = NULL; 2254 sbp_free_ocb(sdev, ocb); 2255#if 0 2256 /* XXX */ 2257 printf("run next request\n"); 2258 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 2259#endif 2260#if 1 2261 printf("reset start\n"); 2262 sbp_reset_start(sdev); 2263#endif 2264} 2265 2266static void 2267sbp_timeout(void *arg) 2268{ 2269 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 2270 struct sbp_dev *sdev = ocb->sdev; 2271 2272 sbp_show_sdev_info(sdev, 2); 2273 printf("request timeout(cmd orb:0x%08x) ... ", 2274 (uint32_t)ocb->bus_addr); 2275 2276 sdev->timeout ++; 2277 switch(sdev->timeout) { 2278 case 1: 2279 printf("agent reset\n"); 2280 SBP_LOCK(sdev->target->sbp); 2281 xpt_freeze_devq(sdev->path, 1); 2282 sdev->freeze ++; 2283 SBP_UNLOCK(sdev->target->sbp); 2284 sbp_abort_all_ocbs(sdev, CAM_CMD_TIMEOUT); 2285 sbp_agent_reset(sdev); 2286 break; 2287 case 2: 2288 case 3: 2289 sbp_target_reset(sdev, sdev->timeout - 1); 2290 break; 2291#if 0 2292 default: 2293 /* XXX give up */ 2294 sbp_cam_detach_target(target); 2295 if (target->luns != NULL) 2296 free(target->luns, M_SBP); 2297 target->num_lun = 0;; 2298 target->luns = NULL; 2299 target->fwdev = NULL; 2300#endif 2301 } 2302} 2303 2304static void 2305sbp_action1(struct cam_sim *sim, union ccb *ccb) 2306{ 2307 2308 struct sbp_softc *sbp = (struct sbp_softc *)sim->softc; 2309 struct sbp_target *target = NULL; 2310 struct sbp_dev *sdev = NULL; 2311 2312 /* target:lun -> sdev mapping */ 2313 if (sbp != NULL 2314 && ccb->ccb_h.target_id != CAM_TARGET_WILDCARD 2315 && ccb->ccb_h.target_id < SBP_NUM_TARGETS) { 2316 target = &sbp->targets[ccb->ccb_h.target_id]; 2317 if (target->fwdev != NULL 2318 && ccb->ccb_h.target_lun != CAM_LUN_WILDCARD 2319 && ccb->ccb_h.target_lun < target->num_lun) { 2320 sdev = target->luns[ccb->ccb_h.target_lun]; 2321 if (sdev != NULL && sdev->status != SBP_DEV_ATTACHED && 2322 sdev->status != SBP_DEV_PROBE) 2323 sdev = NULL; 2324 } 2325 } 2326 2327SBP_DEBUG(1) 2328 if (sdev == NULL) 2329 printf("invalid target %d lun %d\n", 2330 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2331END_DEBUG 2332 2333 switch (ccb->ccb_h.func_code) { 2334 case XPT_SCSI_IO: 2335 case XPT_RESET_DEV: 2336 case XPT_GET_TRAN_SETTINGS: 2337 case XPT_SET_TRAN_SETTINGS: 2338 case XPT_CALC_GEOMETRY: 2339 if (sdev == NULL) { 2340SBP_DEBUG(1) 2341 printf("%s:%d:%d:func_code 0x%04x: " 2342 "Invalid target (target needed)\n", 2343 device_get_nameunit(sbp->fd.dev), 2344 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2345 ccb->ccb_h.func_code); 2346END_DEBUG 2347 2348 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2349 xpt_done(ccb); 2350 return; 2351 } 2352 break; 2353 case XPT_PATH_INQ: 2354 case XPT_NOOP: 2355 /* The opcodes sometimes aimed at a target (sc is valid), 2356 * sometimes aimed at the SIM (sc is invalid and target is 2357 * CAM_TARGET_WILDCARD) 2358 */ 2359 if (sbp == NULL && 2360 ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) { 2361SBP_DEBUG(0) 2362 printf("%s:%d:%d func_code 0x%04x: " 2363 "Invalid target (no wildcard)\n", 2364 device_get_nameunit(sbp->fd.dev), 2365 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2366 ccb->ccb_h.func_code); 2367END_DEBUG 2368 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2369 xpt_done(ccb); 2370 return; 2371 } 2372 break; 2373 default: 2374 /* XXX Hm, we should check the input parameters */ 2375 break; 2376 } 2377 2378 switch (ccb->ccb_h.func_code) { 2379 case XPT_SCSI_IO: 2380 { 2381 struct ccb_scsiio *csio; 2382 struct sbp_ocb *ocb; 2383 int speed; 2384 void *cdb; 2385 2386 csio = &ccb->csio; 2387 mtx_assert(sim->mtx, MA_OWNED); 2388 2389SBP_DEBUG(2) 2390 printf("%s:%d:%d XPT_SCSI_IO: " 2391 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 2392 ", flags: 0x%02x, " 2393 "%db cmd/%db data/%db sense\n", 2394 device_get_nameunit(sbp->fd.dev), 2395 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2396 csio->cdb_io.cdb_bytes[0], 2397 csio->cdb_io.cdb_bytes[1], 2398 csio->cdb_io.cdb_bytes[2], 2399 csio->cdb_io.cdb_bytes[3], 2400 csio->cdb_io.cdb_bytes[4], 2401 csio->cdb_io.cdb_bytes[5], 2402 csio->cdb_io.cdb_bytes[6], 2403 csio->cdb_io.cdb_bytes[7], 2404 csio->cdb_io.cdb_bytes[8], 2405 csio->cdb_io.cdb_bytes[9], 2406 ccb->ccb_h.flags & CAM_DIR_MASK, 2407 csio->cdb_len, csio->dxfer_len, 2408 csio->sense_len); 2409END_DEBUG 2410 if(sdev == NULL){ 2411 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2412 xpt_done(ccb); 2413 return; 2414 } 2415#if 0 2416 /* if we are in probe stage, pass only probe commands */ 2417 if (sdev->status == SBP_DEV_PROBE) { 2418 char *name; 2419 name = xpt_path_periph(ccb->ccb_h.path)->periph_name; 2420 printf("probe stage, periph name: %s\n", name); 2421 if (strcmp(name, "probe") != 0) { 2422 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2423 xpt_done(ccb); 2424 return; 2425 } 2426 } 2427#endif 2428 if ((ocb = sbp_get_ocb(sdev)) == NULL) { 2429 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2430 if (sdev->freeze == 0) { 2431 SBP_LOCK(sdev->target->sbp); 2432 xpt_freeze_devq(sdev->path, 1); 2433 sdev->freeze ++; 2434 SBP_UNLOCK(sdev->target->sbp); 2435 } 2436 xpt_done(ccb); 2437 return; 2438 } 2439 2440 ocb->flags = OCB_ACT_CMD; 2441 ocb->sdev = sdev; 2442 ocb->ccb = ccb; 2443 ccb->ccb_h.ccb_sdev_ptr = sdev; 2444 ocb->orb[0] = htonl(1 << 31); 2445 ocb->orb[1] = 0; 2446 ocb->orb[2] = htonl(((sbp->fd.fc->nodeid | FWLOCALBUS )<< 16) ); 2447 ocb->orb[3] = htonl(ocb->bus_addr + IND_PTR_OFFSET); 2448 speed = min(target->fwdev->speed, max_speed); 2449 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_CMD_SPD(speed) 2450 | ORB_CMD_MAXP(speed + 7)); 2451 if((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN){ 2452 ocb->orb[4] |= htonl(ORB_CMD_IN); 2453 } 2454 2455 if (csio->ccb_h.flags & CAM_SCATTER_VALID) 2456 printf("sbp: CAM_SCATTER_VALID\n"); 2457 if (csio->ccb_h.flags & CAM_DATA_PHYS) 2458 printf("sbp: CAM_DATA_PHYS\n"); 2459 2460 if (csio->ccb_h.flags & CAM_CDB_POINTER) 2461 cdb = (void *)csio->cdb_io.cdb_ptr; 2462 else 2463 cdb = (void *)&csio->cdb_io.cdb_bytes; 2464 bcopy(cdb, (void *)&ocb->orb[5], csio->cdb_len); 2465/* 2466printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[0]), ntohl(ocb->orb[1]), ntohl(ocb->orb[2]), ntohl(ocb->orb[3])); 2467printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[4]), ntohl(ocb->orb[5]), ntohl(ocb->orb[6]), ntohl(ocb->orb[7])); 2468*/ 2469 if (ccb->csio.dxfer_len > 0) { 2470 int s, error; 2471 2472 s = splsoftvm(); 2473 error = bus_dmamap_load(/*dma tag*/sbp->dmat, 2474 /*dma map*/ocb->dmamap, 2475 ccb->csio.data_ptr, 2476 ccb->csio.dxfer_len, 2477 sbp_execute_ocb, 2478 ocb, 2479 /*flags*/0); 2480 splx(s); 2481 if (error) 2482 printf("sbp: bus_dmamap_load error %d\n", error); 2483 } else 2484 sbp_execute_ocb(ocb, NULL, 0, 0); 2485 break; 2486 } 2487 case XPT_CALC_GEOMETRY: 2488 { 2489 struct ccb_calc_geometry *ccg; 2490#if defined(__DragonFly__) || __FreeBSD_version < 501100 2491 uint32_t size_mb; 2492 uint32_t secs_per_cylinder; 2493 int extended = 1; 2494#endif 2495 2496 ccg = &ccb->ccg; 2497 if (ccg->block_size == 0) { 2498 printf("sbp_action1: block_size is 0.\n"); 2499 ccb->ccb_h.status = CAM_REQ_INVALID; 2500 xpt_done(ccb); 2501 break; 2502 } 2503SBP_DEBUG(1) 2504 printf("%s:%d:%d:%d:XPT_CALC_GEOMETRY: " 2505#if defined(__DragonFly__) || __FreeBSD_version < 500000 2506 "Volume size = %d\n", 2507#else 2508 "Volume size = %jd\n", 2509#endif 2510 device_get_nameunit(sbp->fd.dev), 2511 cam_sim_path(sbp->sim), 2512 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2513#if defined(__FreeBSD__) && __FreeBSD_version >= 500000 2514 (uintmax_t) 2515#endif 2516 ccg->volume_size); 2517END_DEBUG 2518 2519#if defined(__DragonFly__) || __FreeBSD_version < 501100 2520 size_mb = ccg->volume_size 2521 / ((1024L * 1024L) / ccg->block_size); 2522 2523 if (size_mb > 1024 && extended) { 2524 ccg->heads = 255; 2525 ccg->secs_per_track = 63; 2526 } else { 2527 ccg->heads = 64; 2528 ccg->secs_per_track = 32; 2529 } 2530 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 2531 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 2532 ccb->ccb_h.status = CAM_REQ_CMP; 2533#else 2534 cam_calc_geometry(ccg, /*extended*/1); 2535#endif 2536 xpt_done(ccb); 2537 break; 2538 } 2539 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 2540 { 2541 2542SBP_DEBUG(1) 2543 printf("%s:%d:XPT_RESET_BUS: \n", 2544 device_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim)); 2545END_DEBUG 2546 2547 ccb->ccb_h.status = CAM_REQ_INVALID; 2548 xpt_done(ccb); 2549 break; 2550 } 2551 case XPT_PATH_INQ: /* Path routing inquiry */ 2552 { 2553 struct ccb_pathinq *cpi = &ccb->cpi; 2554 2555SBP_DEBUG(1) 2556 printf("%s:%d:%d XPT_PATH_INQ:.\n", 2557 device_get_nameunit(sbp->fd.dev), 2558 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2559END_DEBUG 2560 cpi->version_num = 1; /* XXX??? */ 2561 cpi->hba_inquiry = PI_TAG_ABLE; 2562 cpi->target_sprt = 0; 2563 cpi->hba_misc = PIM_NOBUSRESET | PIM_NO_6_BYTE; 2564 cpi->hba_eng_cnt = 0; 2565 cpi->max_target = SBP_NUM_TARGETS - 1; 2566 cpi->max_lun = SBP_NUM_LUNS - 1; 2567 cpi->initiator_id = SBP_INITIATOR; 2568 cpi->bus_id = sim->bus_id; 2569 cpi->base_transfer_speed = 400 * 1000 / 8; 2570 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 2571 strncpy(cpi->hba_vid, "SBP", HBA_IDLEN); 2572 strncpy(cpi->dev_name, sim->sim_name, DEV_IDLEN); 2573 cpi->unit_number = sim->unit_number; 2574 cpi->transport = XPORT_SPI; /* XX should have a FireWire */ 2575 cpi->transport_version = 2; 2576 cpi->protocol = PROTO_SCSI; 2577 cpi->protocol_version = SCSI_REV_2; 2578 2579 cpi->ccb_h.status = CAM_REQ_CMP; 2580 xpt_done(ccb); 2581 break; 2582 } 2583 case XPT_GET_TRAN_SETTINGS: 2584 { 2585 struct ccb_trans_settings *cts = &ccb->cts; 2586 struct ccb_trans_settings_scsi *scsi = 2587 &cts->proto_specific.scsi; 2588 struct ccb_trans_settings_spi *spi = 2589 &cts->xport_specific.spi; 2590 2591 cts->protocol = PROTO_SCSI; 2592 cts->protocol_version = SCSI_REV_2; 2593 cts->transport = XPORT_SPI; /* should have a FireWire */ 2594 cts->transport_version = 2; 2595 spi->valid = CTS_SPI_VALID_DISC; 2596 spi->flags = CTS_SPI_FLAGS_DISC_ENB; 2597 scsi->valid = CTS_SCSI_VALID_TQ; 2598 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; 2599SBP_DEBUG(1) 2600 printf("%s:%d:%d XPT_GET_TRAN_SETTINGS:.\n", 2601 device_get_nameunit(sbp->fd.dev), 2602 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2603END_DEBUG 2604 cts->ccb_h.status = CAM_REQ_CMP; 2605 xpt_done(ccb); 2606 break; 2607 } 2608 case XPT_ABORT: 2609 ccb->ccb_h.status = CAM_UA_ABORT; 2610 xpt_done(ccb); 2611 break; 2612 case XPT_SET_TRAN_SETTINGS: 2613 /* XXX */ 2614 default: 2615 ccb->ccb_h.status = CAM_REQ_INVALID; 2616 xpt_done(ccb); 2617 break; 2618 } 2619 return; 2620} 2621 2622static void 2623sbp_action(struct cam_sim *sim, union ccb *ccb) 2624{ 2625 int s; 2626 2627 s = splfw(); 2628 sbp_action1(sim, ccb); 2629 splx(s); 2630} 2631 2632static void 2633sbp_execute_ocb(void *arg, bus_dma_segment_t *segments, int seg, int error) 2634{ 2635 int i; 2636 struct sbp_ocb *ocb; 2637 struct sbp_ocb *prev; 2638 bus_dma_segment_t *s; 2639 2640 if (error) 2641 printf("sbp_execute_ocb: error=%d\n", error); 2642 2643 ocb = (struct sbp_ocb *)arg; 2644 2645SBP_DEBUG(2) 2646 printf("sbp_execute_ocb: seg %d", seg); 2647 for (i = 0; i < seg; i++) 2648#if defined(__DragonFly__) || __FreeBSD_version < 500000 2649 printf(", %x:%d", segments[i].ds_addr, segments[i].ds_len); 2650#else 2651 printf(", %jx:%jd", (uintmax_t)segments[i].ds_addr, 2652 (uintmax_t)segments[i].ds_len); 2653#endif 2654 printf("\n"); 2655END_DEBUG 2656 2657 if (seg == 1) { 2658 /* direct pointer */ 2659 s = &segments[0]; 2660 if (s->ds_len > SBP_SEG_MAX) 2661 panic("ds_len > SBP_SEG_MAX, fix busdma code"); 2662 ocb->orb[3] = htonl(s->ds_addr); 2663 ocb->orb[4] |= htonl(s->ds_len); 2664 } else if(seg > 1) { 2665 /* page table */ 2666 for (i = 0; i < seg; i++) { 2667 s = &segments[i]; 2668SBP_DEBUG(0) 2669 /* XXX LSI Logic "< 16 byte" bug might be hit */ 2670 if (s->ds_len < 16) 2671 printf("sbp_execute_ocb: warning, " 2672#if defined(__DragonFly__) || __FreeBSD_version < 500000 2673 "segment length(%d) is less than 16." 2674#else 2675 "segment length(%zd) is less than 16." 2676#endif 2677 "(seg=%d/%d)\n", s->ds_len, i+1, seg); 2678END_DEBUG 2679 if (s->ds_len > SBP_SEG_MAX) 2680 panic("ds_len > SBP_SEG_MAX, fix busdma code"); 2681 ocb->ind_ptr[i].hi = htonl(s->ds_len << 16); 2682 ocb->ind_ptr[i].lo = htonl(s->ds_addr); 2683 } 2684 ocb->orb[4] |= htonl(ORB_CMD_PTBL | seg); 2685 } 2686 2687 if (seg > 0) 2688 bus_dmamap_sync(ocb->sdev->target->sbp->dmat, ocb->dmamap, 2689 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2690 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE); 2691 prev = sbp_enqueue_ocb(ocb->sdev, ocb); 2692 fwdma_sync(&ocb->sdev->dma, BUS_DMASYNC_PREWRITE); 2693 if (use_doorbell) { 2694 if (prev == NULL) { 2695 if (ocb->sdev->last_ocb != NULL) 2696 sbp_doorbell(ocb->sdev); 2697 else 2698 sbp_orb_pointer(ocb->sdev, ocb); 2699 } 2700 } else { 2701 if (prev == NULL || (ocb->sdev->flags & ORB_LINK_DEAD) != 0) { 2702 ocb->sdev->flags &= ~ORB_LINK_DEAD; 2703 sbp_orb_pointer(ocb->sdev, ocb); 2704 } 2705 } 2706} 2707 2708static void 2709sbp_poll(struct cam_sim *sim) 2710{ 2711 struct sbp_softc *sbp; 2712 struct firewire_comm *fc; 2713 2714 sbp = (struct sbp_softc *)sim->softc; 2715 fc = sbp->fd.fc; 2716 2717 fc->poll(fc, 0, -1); 2718 2719 return; 2720} 2721 2722static struct sbp_ocb * 2723sbp_dequeue_ocb(struct sbp_dev *sdev, struct sbp_status *sbp_status) 2724{ 2725 struct sbp_ocb *ocb; 2726 struct sbp_ocb *next; 2727 int s = splfw(), order = 0; 2728 int flags; 2729 2730SBP_DEBUG(1) 2731 sbp_show_sdev_info(sdev, 2); 2732#if defined(__DragonFly__) || __FreeBSD_version < 500000 2733 printf("%s: 0x%08lx src %d\n", 2734#else 2735 printf("%s: 0x%08x src %d\n", 2736#endif 2737 __func__, ntohl(sbp_status->orb_lo), sbp_status->src); 2738END_DEBUG 2739 SBP_LOCK(sdev->target->sbp); 2740 for (ocb = STAILQ_FIRST(&sdev->ocbs); ocb != NULL; ocb = next) { 2741 next = STAILQ_NEXT(ocb, ocb); 2742 flags = ocb->flags; 2743 if (OCB_MATCH(ocb, sbp_status)) { 2744 /* found */ 2745 STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb); 2746 if (ocb->ccb != NULL) 2747 untimeout(sbp_timeout, (caddr_t)ocb, 2748 ocb->ccb->ccb_h.timeout_ch); 2749 if (ntohl(ocb->orb[4]) & 0xffff) { 2750 bus_dmamap_sync(sdev->target->sbp->dmat, 2751 ocb->dmamap, 2752 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2753 BUS_DMASYNC_POSTREAD : 2754 BUS_DMASYNC_POSTWRITE); 2755 bus_dmamap_unload(sdev->target->sbp->dmat, 2756 ocb->dmamap); 2757 } 2758 if (!use_doorbell) { 2759 if (sbp_status->src == SRC_NO_NEXT) { 2760 if (next != NULL) 2761 sbp_orb_pointer(sdev, next); 2762 else if (order > 0) { 2763 /* 2764 * Unordered execution 2765 * We need to send pointer for 2766 * next ORB 2767 */ 2768 sdev->flags |= ORB_LINK_DEAD; 2769 } 2770 } 2771 } else { 2772 /* 2773 * XXX this is not correct for unordered 2774 * execution. 2775 */ 2776 if (sdev->last_ocb != NULL) 2777 sbp_free_ocb(sdev, sdev->last_ocb); 2778 sdev->last_ocb = ocb; 2779 if (next != NULL && 2780 sbp_status->src == SRC_NO_NEXT) 2781 sbp_doorbell(sdev); 2782 } 2783 break; 2784 } else 2785 order ++; 2786 } 2787 SBP_UNLOCK(sdev->target->sbp); 2788 splx(s); 2789SBP_DEBUG(0) 2790 if (ocb && order > 0) { 2791 sbp_show_sdev_info(sdev, 2); 2792 printf("unordered execution order:%d\n", order); 2793 } 2794END_DEBUG 2795 return (ocb); 2796} 2797 2798static struct sbp_ocb * 2799sbp_enqueue_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 2800{ 2801 int s = splfw(); 2802 struct sbp_ocb *prev, *prev2; 2803 2804SBP_DEBUG(1) 2805 sbp_show_sdev_info(sdev, 2); 2806#if defined(__DragonFly__) || __FreeBSD_version < 500000 2807 printf("%s: 0x%08x\n", __func__, ocb->bus_addr); 2808#else 2809 printf("%s: 0x%08jx\n", __func__, (uintmax_t)ocb->bus_addr); 2810#endif 2811END_DEBUG 2812 prev2 = prev = STAILQ_LAST(&sdev->ocbs, sbp_ocb, ocb); 2813 STAILQ_INSERT_TAIL(&sdev->ocbs, ocb, ocb); 2814 2815 if (ocb->ccb != NULL) 2816 ocb->ccb->ccb_h.timeout_ch = timeout(sbp_timeout, (caddr_t)ocb, 2817 (ocb->ccb->ccb_h.timeout * hz) / 1000); 2818 2819 if (use_doorbell && prev == NULL) 2820 prev2 = sdev->last_ocb; 2821 2822 if (prev2 != NULL) { 2823SBP_DEBUG(2) 2824#if defined(__DragonFly__) || __FreeBSD_version < 500000 2825 printf("linking chain 0x%x -> 0x%x\n", 2826 prev2->bus_addr, ocb->bus_addr); 2827#else 2828 printf("linking chain 0x%jx -> 0x%jx\n", 2829 (uintmax_t)prev2->bus_addr, (uintmax_t)ocb->bus_addr); 2830#endif 2831END_DEBUG 2832 /* 2833 * Suppress compiler optimization so that orb[1] must be written first. 2834 * XXX We may need an explicit memory barrier for other architectures 2835 * other than i386/amd64. 2836 */ 2837 *(volatile uint32_t *)&prev2->orb[1] = htonl(ocb->bus_addr); 2838 *(volatile uint32_t *)&prev2->orb[0] = 0; 2839 } 2840 splx(s); 2841 2842 return prev; 2843} 2844 2845static struct sbp_ocb * 2846sbp_get_ocb(struct sbp_dev *sdev) 2847{ 2848 struct sbp_ocb *ocb; 2849 int s = splfw(); 2850 2851 mtx_assert(&sdev->target->sbp->mtx, MA_OWNED); 2852 ocb = STAILQ_FIRST(&sdev->free_ocbs); 2853 if (ocb == NULL) { 2854 sdev->flags |= ORB_SHORTAGE; 2855 printf("ocb shortage!!!\n"); 2856 splx(s); 2857 return NULL; 2858 } 2859 STAILQ_REMOVE_HEAD(&sdev->free_ocbs, ocb); 2860 splx(s); 2861 ocb->ccb = NULL; 2862 return (ocb); 2863} 2864 2865static void 2866sbp_free_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 2867{ 2868 ocb->flags = 0; 2869 ocb->ccb = NULL; 2870 2871 SBP_LOCK(sdev->target->sbp); 2872 STAILQ_INSERT_TAIL(&sdev->free_ocbs, ocb, ocb); 2873 if ((sdev->flags & ORB_SHORTAGE) != 0) { 2874 int count; 2875 2876 sdev->flags &= ~ORB_SHORTAGE; 2877 count = sdev->freeze; 2878 sdev->freeze = 0; 2879 xpt_release_devq(sdev->path, count, TRUE); 2880 } 2881 SBP_UNLOCK(sdev->target->sbp); 2882} 2883 2884static void 2885sbp_abort_ocb(struct sbp_ocb *ocb, int status) 2886{ 2887 struct sbp_dev *sdev; 2888 2889 sdev = ocb->sdev; 2890SBP_DEBUG(0) 2891 sbp_show_sdev_info(sdev, 2); 2892#if defined(__DragonFly__) || __FreeBSD_version < 500000 2893 printf("sbp_abort_ocb 0x%x\n", ocb->bus_addr); 2894#else 2895 printf("sbp_abort_ocb 0x%jx\n", (uintmax_t)ocb->bus_addr); 2896#endif 2897END_DEBUG 2898SBP_DEBUG(1) 2899 if (ocb->ccb != NULL) 2900 sbp_print_scsi_cmd(ocb); 2901END_DEBUG 2902 if (ntohl(ocb->orb[4]) & 0xffff) { 2903 bus_dmamap_sync(sdev->target->sbp->dmat, ocb->dmamap, 2904 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2905 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 2906 bus_dmamap_unload(sdev->target->sbp->dmat, ocb->dmamap); 2907 } 2908 if (ocb->ccb != NULL) { 2909 untimeout(sbp_timeout, (caddr_t)ocb, 2910 ocb->ccb->ccb_h.timeout_ch); 2911 ocb->ccb->ccb_h.status = status; 2912 SBP_LOCK(sdev->target->sbp); 2913 xpt_done(ocb->ccb); 2914 SBP_UNLOCK(sdev->target->sbp); 2915 } 2916 sbp_free_ocb(sdev, ocb); 2917} 2918 2919static void 2920sbp_abort_all_ocbs(struct sbp_dev *sdev, int status) 2921{ 2922 int s; 2923 struct sbp_ocb *ocb, *next; 2924 STAILQ_HEAD(, sbp_ocb) temp; 2925 2926 s = splfw(); 2927 2928 bcopy(&sdev->ocbs, &temp, sizeof(temp)); 2929 STAILQ_INIT(&sdev->ocbs); 2930 for (ocb = STAILQ_FIRST(&temp); ocb != NULL; ocb = next) { 2931 next = STAILQ_NEXT(ocb, ocb); 2932 sbp_abort_ocb(ocb, status); 2933 } 2934 if (sdev->last_ocb != NULL) { 2935 sbp_free_ocb(sdev, sdev->last_ocb); 2936 sdev->last_ocb = NULL; 2937 } 2938 2939 splx(s); 2940} 2941 2942static devclass_t sbp_devclass; 2943 2944static device_method_t sbp_methods[] = { 2945 /* device interface */ 2946 DEVMETHOD(device_identify, sbp_identify), 2947 DEVMETHOD(device_probe, sbp_probe), 2948 DEVMETHOD(device_attach, sbp_attach), 2949 DEVMETHOD(device_detach, sbp_detach), 2950 DEVMETHOD(device_shutdown, sbp_shutdown), 2951 2952 { 0, 0 } 2953}; 2954 2955static driver_t sbp_driver = { 2956 "sbp", 2957 sbp_methods, 2958 sizeof(struct sbp_softc), 2959}; 2960#ifdef __DragonFly__ 2961DECLARE_DUMMY_MODULE(sbp); 2962#endif 2963DRIVER_MODULE(sbp, firewire, sbp_driver, sbp_devclass, 0, 0); 2964MODULE_VERSION(sbp, 1); 2965MODULE_DEPEND(sbp, firewire, 1, 1, 1); 2966MODULE_DEPEND(sbp, cam, 1, 1, 1); 2967