sbp.c revision 124169
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 124169 2004-01-06 14:30:47Z simokawa $ 35 * 36 */ 37 38#include <sys/param.h> 39#include <sys/systm.h> 40#include <sys/module.h> 41#include <sys/bus.h> 42#include <sys/sysctl.h> 43#include <machine/bus.h> 44#include <sys/malloc.h> 45#if __FreeBSD_version >= 501102 46#include <sys/lock.h> 47#include <sys/mutex.h> 48#endif 49 50#if __FreeBSD_version < 500106 51#include <sys/devicestat.h> /* for struct devstat */ 52#endif 53 54#include <cam/cam.h> 55#include <cam/cam_ccb.h> 56#include <cam/cam_sim.h> 57#include <cam/cam_xpt_sim.h> 58#include <cam/cam_debug.h> 59#include <cam/cam_periph.h> 60 61#include <cam/scsi/scsi_all.h> 62 63#include <sys/kernel.h> 64 65#include <dev/firewire/firewire.h> 66#include <dev/firewire/firewirereg.h> 67#include <dev/firewire/fwdma.h> 68#include <dev/firewire/iec13213.h> 69#include <dev/firewire/sbp.h> 70 71#define ccb_sdev_ptr spriv_ptr0 72#define ccb_sbp_ptr spriv_ptr1 73 74#define SBP_NUM_TARGETS 8 /* MAX 64 */ 75/* 76 * Scan_bus doesn't work for more than 8 LUNs 77 * because of CAM_SCSI2_MAXLUN in cam_xpt.c 78 */ 79#define SBP_NUM_LUNS 64 80#define SBP_DMA_SIZE PAGE_SIZE 81#define SBP_LOGIN_SIZE sizeof(struct sbp_login_res) 82#define SBP_QUEUE_LEN ((SBP_DMA_SIZE - SBP_LOGIN_SIZE) / sizeof(struct sbp_ocb)) 83#define SBP_NUM_OCB (SBP_QUEUE_LEN * SBP_NUM_TARGETS) 84 85/* 86 * STATUS FIFO addressing 87 * bit 88 * ----------------------- 89 * 0- 1( 2): 0 (alingment) 90 * 2- 7( 6): target 91 * 8-15( 8): lun 92 * 16-31( 8): reserved 93 * 32-47(16): SBP_BIND_HI 94 * 48-64(16): bus_id, node_id 95 */ 96#define SBP_BIND_HI 0x1 97#define SBP_DEV2ADDR(t, l) \ 98 (((u_int64_t)SBP_BIND_HI << 32) \ 99 | (((l) & 0xff) << 8) \ 100 | (((t) & 0x3f) << 2)) 101#define SBP_ADDR2TRG(a) (((a) >> 2) & 0x3f) 102#define SBP_ADDR2LUN(a) (((a) >> 8) & 0xff) 103#define SBP_INITIATOR 7 104 105static char *orb_fun_name[] = { 106 ORB_FUN_NAMES 107}; 108 109static int debug = 0; 110static int auto_login = 1; 111static int max_speed = 2; 112static int sbp_cold = 1; 113static int ex_login = 1; 114static int login_delay = 1000; /* msec */ 115static int scan_delay = 500; /* msec */ 116 117SYSCTL_DECL(_hw_firewire); 118SYSCTL_NODE(_hw_firewire, OID_AUTO, sbp, CTLFLAG_RD, 0, "SBP-II Subsystem"); 119SYSCTL_INT(_debug, OID_AUTO, sbp_debug, CTLFLAG_RW, &debug, 0, 120 "SBP debug flag"); 121SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, auto_login, CTLFLAG_RW, &auto_login, 0, 122 "SBP perform login automatically"); 123SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, max_speed, CTLFLAG_RW, &max_speed, 0, 124 "SBP transfer max speed"); 125SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, exclusive_login, CTLFLAG_RW, 126 &ex_login, 0, "SBP transfer max speed"); 127SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, login_delay, CTLFLAG_RW, 128 &login_delay, 0, "SBP login delay in msec"); 129SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, scan_delay, CTLFLAG_RW, 130 &scan_delay, 0, "SBP scan delay in msec"); 131 132TUNABLE_INT("hw.firewire.sbp.auto_login", &auto_login); 133TUNABLE_INT("hw.firewire.sbp.max_speed", &max_speed); 134TUNABLE_INT("hw.firewire.sbp.exclusive_login", &ex_login); 135TUNABLE_INT("hw.firewire.sbp.login_delay", &login_delay); 136TUNABLE_INT("hw.firewire.sbp.scan_delay", &scan_delay); 137 138#define NEED_RESPONSE 0 139 140#define SBP_SEG_MAX rounddown(0xffff, PAGE_SIZE) 141#ifdef __sparc64__ /* iommu */ 142#define SBP_IND_MAX howmany(MAXPHYS, SBP_SEG_MAX) 143#else 144#define SBP_IND_MAX howmany(MAXPHYS, PAGE_SIZE) 145#endif 146struct sbp_ocb { 147 STAILQ_ENTRY(sbp_ocb) ocb; 148 union ccb *ccb; 149 bus_addr_t bus_addr; 150 u_int32_t orb[8]; 151#define IND_PTR_OFFSET (8*sizeof(u_int32_t)) 152 struct ind_ptr ind_ptr[SBP_IND_MAX]; 153 struct sbp_dev *sdev; 154 int flags; /* XXX should be removed */ 155 bus_dmamap_t dmamap; 156}; 157 158#define OCB_ACT_MGM 0 159#define OCB_ACT_CMD 1 160#define OCB_MATCH(o,s) ((o)->bus_addr == ntohl((s)->orb_lo)) 161 162struct sbp_dev{ 163#define SBP_DEV_RESET 0 /* accept login */ 164#define SBP_DEV_LOGIN 1 /* to login */ 165#if 0 166#define SBP_DEV_RECONN 2 /* to reconnect */ 167#endif 168#define SBP_DEV_TOATTACH 3 /* to attach */ 169#define SBP_DEV_PROBE 4 /* scan lun */ 170#define SBP_DEV_ATTACHED 5 /* in operation */ 171#define SBP_DEV_DEAD 6 /* unavailable unit */ 172#define SBP_DEV_RETRY 7 /* unavailable unit */ 173 u_int8_t status:4, 174 timeout:4; 175 u_int8_t type; 176 u_int16_t lun_id; 177 u_int16_t freeze; 178#define ORB_LINK_DEAD (1 << 0) 179#define VALID_LUN (1 << 1) 180#define ORB_POINTER_ACTIVE (1 << 2) 181#define ORB_POINTER_NEED (1 << 3) 182 u_int16_t flags; 183 struct cam_path *path; 184 struct sbp_target *target; 185 struct fwdma_alloc dma; 186 struct sbp_login_res *login; 187 struct callout login_callout; 188 struct sbp_ocb *ocb; 189 STAILQ_HEAD(, sbp_ocb) ocbs; 190 STAILQ_HEAD(, sbp_ocb) free_ocbs; 191 char vendor[32]; 192 char product[32]; 193 char revision[10]; 194}; 195 196struct sbp_target { 197 int target_id; 198 int num_lun; 199 struct sbp_dev **luns; 200 struct sbp_softc *sbp; 201 struct fw_device *fwdev; 202 u_int32_t mgm_hi, mgm_lo; 203 struct sbp_ocb *mgm_ocb_cur; 204 STAILQ_HEAD(, sbp_ocb) mgm_ocb_queue; 205 struct callout mgm_ocb_timeout; 206 struct callout scan_callout; 207 STAILQ_HEAD(, fw_xfer) xferlist; 208 int n_xfer; 209}; 210 211struct sbp_softc { 212 struct firewire_dev_comm fd; 213 struct cam_sim *sim; 214 struct cam_path *path; 215 struct sbp_target targets[SBP_NUM_TARGETS]; 216 struct fw_bind fwb; 217 bus_dma_tag_t dmat; 218 struct timeval last_busreset; 219#define SIMQ_FREEZED 1 220 int flags; 221}; 222 223static void sbp_post_explore (void *); 224static void sbp_recv (struct fw_xfer *); 225static void sbp_mgm_callback (struct fw_xfer *); 226#if 0 227static void sbp_cmd_callback (struct fw_xfer *); 228#endif 229static void sbp_orb_pointer (struct sbp_dev *, struct sbp_ocb *); 230static void sbp_execute_ocb (void *, bus_dma_segment_t *, int, int); 231static void sbp_free_ocb (struct sbp_dev *, struct sbp_ocb *); 232static void sbp_abort_ocb (struct sbp_ocb *, int); 233static void sbp_abort_all_ocbs (struct sbp_dev *, int); 234static struct fw_xfer * sbp_write_cmd (struct sbp_dev *, int, int); 235static struct sbp_ocb * sbp_get_ocb (struct sbp_dev *); 236static struct sbp_ocb * sbp_enqueue_ocb (struct sbp_dev *, struct sbp_ocb *); 237static struct sbp_ocb * sbp_dequeue_ocb (struct sbp_dev *, struct sbp_status *); 238static void sbp_cam_detach_sdev(struct sbp_dev *); 239static void sbp_free_sdev(struct sbp_dev *); 240static void sbp_cam_detach_target (struct sbp_target *); 241static void sbp_free_target (struct sbp_target *); 242static void sbp_mgm_timeout (void *arg); 243static void sbp_timeout (void *arg); 244static void sbp_mgm_orb (struct sbp_dev *, int, struct sbp_ocb *); 245 246MALLOC_DEFINE(M_SBP, "sbp", "SBP-II/FireWire"); 247 248/* cam related functions */ 249static void sbp_action(struct cam_sim *sim, union ccb *ccb); 250static void sbp_poll(struct cam_sim *sim); 251static void sbp_cam_scan_lun(struct cam_periph *, union ccb *); 252static void sbp_cam_scan_target(void *arg); 253 254static char *orb_status0[] = { 255 /* 0 */ "No additional information to report", 256 /* 1 */ "Request type not supported", 257 /* 2 */ "Speed not supported", 258 /* 3 */ "Page size not supported", 259 /* 4 */ "Access denied", 260 /* 5 */ "Logical unit not supported", 261 /* 6 */ "Maximum payload too small", 262 /* 7 */ "Reserved for future standardization", 263 /* 8 */ "Resources unavailable", 264 /* 9 */ "Function rejected", 265 /* A */ "Login ID not recognized", 266 /* B */ "Dummy ORB completed", 267 /* C */ "Request aborted", 268 /* FF */ "Unspecified error" 269#define MAX_ORB_STATUS0 0xd 270}; 271 272static char *orb_status1_object[] = { 273 /* 0 */ "Operation request block (ORB)", 274 /* 1 */ "Data buffer", 275 /* 2 */ "Page table", 276 /* 3 */ "Unable to specify" 277}; 278 279static char *orb_status1_serial_bus_error[] = { 280 /* 0 */ "Missing acknowledge", 281 /* 1 */ "Reserved; not to be used", 282 /* 2 */ "Time-out error", 283 /* 3 */ "Reserved; not to be used", 284 /* 4 */ "Busy retry limit exceeded(X)", 285 /* 5 */ "Busy retry limit exceeded(A)", 286 /* 6 */ "Busy retry limit exceeded(B)", 287 /* 7 */ "Reserved for future standardization", 288 /* 8 */ "Reserved for future standardization", 289 /* 9 */ "Reserved for future standardization", 290 /* A */ "Reserved for future standardization", 291 /* B */ "Tardy retry limit exceeded", 292 /* C */ "Conflict error", 293 /* D */ "Data error", 294 /* E */ "Type error", 295 /* F */ "Address error" 296}; 297 298static void 299sbp_identify(driver_t *driver, device_t parent) 300{ 301 device_t child; 302SBP_DEBUG(0) 303 printf("sbp_identify\n"); 304END_DEBUG 305 306 child = BUS_ADD_CHILD(parent, 0, "sbp", device_get_unit(parent)); 307} 308 309/* 310 * sbp_probe() 311 */ 312static int 313sbp_probe(device_t dev) 314{ 315 device_t pa; 316 317SBP_DEBUG(0) 318 printf("sbp_probe\n"); 319END_DEBUG 320 321 pa = device_get_parent(dev); 322 if(device_get_unit(dev) != device_get_unit(pa)){ 323 return(ENXIO); 324 } 325 326 device_set_desc(dev, "SBP-2/SCSI over FireWire"); 327 328 if (bootverbose) 329 debug = bootverbose; 330 return (0); 331} 332 333static void 334sbp_show_sdev_info(struct sbp_dev *sdev, int new) 335{ 336 struct fw_device *fwdev; 337 338 printf("%s:%d:%d ", 339 device_get_nameunit(sdev->target->sbp->fd.dev), 340 sdev->target->target_id, 341 sdev->lun_id 342 ); 343 if (new == 2) { 344 return; 345 } 346 fwdev = sdev->target->fwdev; 347 printf("ordered:%d type:%d EUI:%08x%08x node:%d " 348 "speed:%d maxrec:%d", 349 (sdev->type & 0x40) >> 6, 350 (sdev->type & 0x1f), 351 fwdev->eui.hi, 352 fwdev->eui.lo, 353 fwdev->dst, 354 fwdev->speed, 355 fwdev->maxrec 356 ); 357 if (new) 358 printf(" new!\n"); 359 else 360 printf("\n"); 361 sbp_show_sdev_info(sdev, 2); 362 printf("'%s' '%s' '%s'\n", sdev->vendor, sdev->product, sdev->revision); 363} 364 365static struct { 366 int bus; 367 int target; 368 struct fw_eui64 eui; 369} wired[] = { 370 /* Bus Target EUI64 */ 371#if 0 372 {0, 2, {0x00018ea0, 0x01fd0154}}, /* Logitec HDD */ 373 {0, 0, {0x00018ea6, 0x00100682}}, /* Logitec DVD */ 374 {0, 1, {0x00d03200, 0xa412006a}}, /* Yano HDD */ 375#endif 376 {-1, -1, {0,0}} 377}; 378 379static int 380sbp_new_target(struct sbp_softc *sbp, struct fw_device *fwdev) 381{ 382 int bus, i, target=-1; 383 char w[SBP_NUM_TARGETS]; 384 385 bzero(w, sizeof(w)); 386 bus = device_get_unit(sbp->fd.dev); 387 388 /* XXX wired-down configuration should be gotten from 389 tunable or device hint */ 390 for (i = 0; wired[i].bus >= 0; i ++) { 391 if (wired[i].bus == bus) { 392 w[wired[i].target] = 1; 393 if (wired[i].eui.hi == fwdev->eui.hi && 394 wired[i].eui.lo == fwdev->eui.lo) 395 target = wired[i].target; 396 } 397 } 398 if (target >= 0) { 399 if(target < SBP_NUM_TARGETS && 400 sbp->targets[target].fwdev == NULL) 401 return(target); 402 device_printf(sbp->fd.dev, 403 "target %d is not free for %08x:%08x\n", 404 target, fwdev->eui.hi, fwdev->eui.lo); 405 target = -1; 406 } 407 /* non-wired target */ 408 for (i = 0; i < SBP_NUM_TARGETS; i ++) 409 if (sbp->targets[i].fwdev == NULL && w[i] == 0) { 410 target = i; 411 break; 412 } 413 414 return target; 415} 416 417static void 418sbp_alloc_lun(struct sbp_target *target) 419{ 420 struct crom_context cc; 421 struct csrreg *reg; 422 struct sbp_dev *sdev, **newluns; 423 struct sbp_softc *sbp; 424 int maxlun, lun, i; 425 426 sbp = target->sbp; 427 crom_init_context(&cc, target->fwdev->csrrom); 428 /* XXX shoud parse appropriate unit directories only */ 429 maxlun = -1; 430 while (cc.depth >= 0) { 431 reg = crom_search_key(&cc, CROM_LUN); 432 if (reg == NULL) 433 break; 434 lun = reg->val & 0xffff; 435SBP_DEBUG(0) 436 printf("target %d lun %d found\n", target->target_id, lun); 437END_DEBUG 438 if (maxlun < lun) 439 maxlun = lun; 440 crom_next(&cc); 441 } 442 if (maxlun < 0) 443 printf("%s:%d no LUN found\n", 444 device_get_nameunit(target->sbp->fd.dev), 445 target->target_id); 446 447 maxlun ++; 448 if (maxlun >= SBP_NUM_LUNS) 449 maxlun = SBP_NUM_LUNS; 450 451 /* Invalidiate stale devices */ 452 for (lun = 0; lun < target->num_lun; lun ++) { 453 sdev = target->luns[lun]; 454 if (sdev == NULL) 455 continue; 456 sdev->flags &= ~VALID_LUN; 457 if (lun >= maxlun) { 458 /* lost device */ 459 sbp_cam_detach_sdev(sdev); 460 sbp_free_sdev(sdev); 461 } 462 } 463 464 /* Reallocate */ 465 if (maxlun != target->num_lun) { 466 newluns = (struct sbp_dev **) realloc(target->luns, 467 sizeof(struct sbp_dev *) * maxlun, 468 M_SBP, M_NOWAIT | M_ZERO); 469 470 if (newluns == NULL) { 471 printf("%s: realloc failed\n", __FUNCTION__); 472 newluns = target->luns; 473 maxlun = target->num_lun; 474 } 475 476 /* 477 * We must zero the extended region for the case 478 * realloc() doesn't allocate new buffer. 479 */ 480 if (maxlun > target->num_lun) 481 bzero(&newluns[target->num_lun], 482 sizeof(struct sbp_dev *) * 483 (maxlun - target->num_lun)); 484 485 target->luns = newluns; 486 target->num_lun = maxlun; 487 } 488 489 crom_init_context(&cc, target->fwdev->csrrom); 490 while (cc.depth >= 0) { 491 int new = 0; 492 493 reg = crom_search_key(&cc, CROM_LUN); 494 if (reg == NULL) 495 break; 496 lun = reg->val & 0xffff; 497 if (lun >= SBP_NUM_LUNS) { 498 printf("too large lun %d\n", lun); 499 goto next; 500 } 501 502 sdev = target->luns[lun]; 503 if (sdev == NULL) { 504 sdev = malloc(sizeof(struct sbp_dev), 505 M_SBP, M_NOWAIT | M_ZERO); 506 if (sdev == NULL) { 507 printf("%s: malloc failed\n", __FUNCTION__); 508 goto next; 509 } 510 target->luns[lun] = sdev; 511 sdev->lun_id = lun; 512 sdev->target = target; 513 STAILQ_INIT(&sdev->ocbs); 514 CALLOUT_INIT(&sdev->login_callout); 515 sdev->status = SBP_DEV_RESET; 516 new = 1; 517 } 518 sdev->flags |= VALID_LUN; 519 sdev->type = (reg->val & 0xff0000) >> 16; 520 521 if (new == 0) 522 goto next; 523 524 fwdma_malloc(sbp->fd.fc, 525 /* alignment */ sizeof(u_int32_t), 526 SBP_DMA_SIZE, &sdev->dma, BUS_DMA_NOWAIT); 527 if (sdev->dma.v_addr == NULL) { 528 printf("%s: dma space allocation failed\n", 529 __FUNCTION__); 530 free(sdev, M_SBP); 531 target->luns[lun] = NULL; 532 goto next; 533 } 534 sdev->login = (struct sbp_login_res *) sdev->dma.v_addr; 535 sdev->ocb = (struct sbp_ocb *) 536 ((char *)sdev->dma.v_addr + SBP_LOGIN_SIZE); 537 bzero((char *)sdev->ocb, 538 sizeof (struct sbp_ocb) * SBP_QUEUE_LEN); 539 540 STAILQ_INIT(&sdev->free_ocbs); 541 for (i = 0; i < SBP_QUEUE_LEN; i++) { 542 struct sbp_ocb *ocb; 543 ocb = &sdev->ocb[i]; 544 ocb->bus_addr = sdev->dma.bus_addr 545 + SBP_LOGIN_SIZE 546 + sizeof(struct sbp_ocb) * i 547 + offsetof(struct sbp_ocb, orb[0]); 548 if (bus_dmamap_create(sbp->dmat, 0, &ocb->dmamap)) { 549 printf("sbp_attach: cannot create dmamap\n"); 550 /* XXX */ 551 goto next; 552 } 553 sbp_free_ocb(sdev, ocb); 554 } 555next: 556 crom_next(&cc); 557 } 558 559 for (lun = 0; lun < target->num_lun; lun ++) { 560 sdev = target->luns[lun]; 561 if (sdev != NULL && (sdev->flags & VALID_LUN) == 0) { 562 sbp_cam_detach_sdev(sdev); 563 sbp_free_sdev(sdev); 564 target->luns[lun] = NULL; 565 } 566 } 567} 568 569static struct sbp_target * 570sbp_alloc_target(struct sbp_softc *sbp, struct fw_device *fwdev) 571{ 572 int i; 573 struct sbp_target *target; 574 struct crom_context cc; 575 struct csrreg *reg; 576 577SBP_DEBUG(1) 578 printf("sbp_alloc_target\n"); 579END_DEBUG 580 i = sbp_new_target(sbp, fwdev); 581 if (i < 0) { 582 device_printf(sbp->fd.dev, "increase SBP_NUM_TARGETS!\n"); 583 return NULL; 584 } 585 /* new target */ 586 target = &sbp->targets[i]; 587 target->sbp = sbp; 588 target->fwdev = fwdev; 589 target->target_id = i; 590 /* XXX we may want to reload mgm port after each bus reset */ 591 /* XXX there might be multiple management agents */ 592 crom_init_context(&cc, target->fwdev->csrrom); 593 reg = crom_search_key(&cc, CROM_MGM); 594 if (reg == NULL || reg->val == 0) { 595 printf("NULL management address\n"); 596 target->fwdev = NULL; 597 return NULL; 598 } 599 target->mgm_hi = 0xffff; 600 target->mgm_lo = 0xf0000000 | (reg->val << 2); 601 target->mgm_ocb_cur = NULL; 602SBP_DEBUG(1) 603 printf("target:%d mgm_port: %x\n", i, target->mgm_lo); 604END_DEBUG 605 STAILQ_INIT(&target->xferlist); 606 target->n_xfer = 0; 607 STAILQ_INIT(&target->mgm_ocb_queue); 608 CALLOUT_INIT(&target->mgm_ocb_timeout); 609 CALLOUT_INIT(&target->scan_callout); 610 611 target->luns = NULL; 612 target->num_lun = 0; 613 return target; 614} 615 616static void 617sbp_probe_lun(struct sbp_dev *sdev) 618{ 619 struct fw_device *fwdev; 620 struct crom_context c, *cc = &c; 621 struct csrreg *reg; 622 623 bzero(sdev->vendor, sizeof(sdev->vendor)); 624 bzero(sdev->product, sizeof(sdev->product)); 625 626 fwdev = sdev->target->fwdev; 627 crom_init_context(cc, fwdev->csrrom); 628 /* get vendor string */ 629 crom_search_key(cc, CSRKEY_VENDOR); 630 crom_next(cc); 631 crom_parse_text(cc, sdev->vendor, sizeof(sdev->vendor)); 632 /* skip to the unit directory for SBP-2 */ 633 while ((reg = crom_search_key(cc, CSRKEY_VER)) != NULL) { 634 if (reg->val == CSRVAL_T10SBP2) 635 break; 636 crom_next(cc); 637 } 638 /* get firmware revision */ 639 reg = crom_search_key(cc, CSRKEY_FIRM_VER); 640 if (reg != NULL) 641 snprintf(sdev->revision, sizeof(sdev->revision), 642 "%06x", reg->val); 643 /* get product string */ 644 crom_search_key(cc, CSRKEY_MODEL); 645 crom_next(cc); 646 crom_parse_text(cc, sdev->product, sizeof(sdev->product)); 647} 648 649static void 650sbp_login_callout(void *arg) 651{ 652 struct sbp_dev *sdev = (struct sbp_dev *)arg; 653 sbp_mgm_orb(sdev, ORB_FUN_LGI, NULL); 654} 655 656static void 657sbp_login(struct sbp_dev *sdev) 658{ 659 struct timeval delta; 660 struct timeval t; 661 int ticks = 0; 662 663 microtime(&delta); 664 timevalsub(&delta, &sdev->target->sbp->last_busreset); 665 t.tv_sec = login_delay / 1000; 666 t.tv_usec = (login_delay % 1000) * 1000; 667 timevalsub(&t, &delta); 668 if (t.tv_sec >= 0 && t.tv_usec > 0) 669 ticks = (t.tv_sec * 1000 + t.tv_usec / 1000) * hz / 1000; 670SBP_DEBUG(0) 671 printf("%s: sec = %ld usec = %ld ticks = %d\n", __FUNCTION__, 672 t.tv_sec, t.tv_usec, ticks); 673END_DEBUG 674 callout_reset(&sdev->login_callout, ticks, 675 sbp_login_callout, (void *)(sdev)); 676} 677 678#define SBP_FWDEV_ALIVE(fwdev) (((fwdev)->status == FWDEVATTACHED) \ 679 && crom_has_specver((fwdev)->csrrom, CSRVAL_ANSIT10, CSRVAL_T10SBP2)) 680 681static void 682sbp_probe_target(void *arg) 683{ 684 struct sbp_target *target = (struct sbp_target *)arg; 685 struct sbp_softc *sbp; 686 struct sbp_dev *sdev; 687 struct firewire_comm *fc; 688 int i, alive; 689 690 alive = SBP_FWDEV_ALIVE(target->fwdev); 691SBP_DEBUG(1) 692 printf("sbp_probe_target %d\n", target->target_id); 693 if (!alive) 694 printf("not alive\n"); 695END_DEBUG 696 697 sbp = target->sbp; 698 fc = target->sbp->fd.fc; 699 sbp_alloc_lun(target); 700 701 /* XXX untimeout mgm_ocb and dequeue */ 702 for (i=0; i < target->num_lun; i++) { 703 sdev = target->luns[i]; 704 if (sdev == NULL) 705 continue; 706 if (alive && (sdev->status != SBP_DEV_DEAD)) { 707 if (sdev->path != NULL) { 708 xpt_freeze_devq(sdev->path, 1); 709 sdev->freeze ++; 710 } 711 sbp_probe_lun(sdev); 712SBP_DEBUG(0) 713 sbp_show_sdev_info(sdev, 714 (sdev->status == SBP_DEV_RESET)); 715END_DEBUG 716 717 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET); 718 switch (sdev->status) { 719 case SBP_DEV_RESET: 720 /* new or revived target */ 721 if (auto_login) 722 sbp_login(sdev); 723 break; 724 case SBP_DEV_TOATTACH: 725 case SBP_DEV_PROBE: 726 case SBP_DEV_ATTACHED: 727 case SBP_DEV_RETRY: 728 default: 729 sbp_mgm_orb(sdev, ORB_FUN_RCN, NULL); 730 break; 731 } 732 } else { 733 switch (sdev->status) { 734 case SBP_DEV_ATTACHED: 735SBP_DEBUG(0) 736 /* the device has gone */ 737 sbp_show_sdev_info(sdev, 2); 738 printf("lost target\n"); 739END_DEBUG 740 if (sdev->path) { 741 xpt_freeze_devq(sdev->path, 1); 742 sdev->freeze ++; 743 } 744 sdev->status = SBP_DEV_RETRY; 745 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET); 746 break; 747 case SBP_DEV_PROBE: 748 case SBP_DEV_TOATTACH: 749 sdev->status = SBP_DEV_RESET; 750 break; 751 case SBP_DEV_RETRY: 752 case SBP_DEV_RESET: 753 case SBP_DEV_DEAD: 754 break; 755 } 756 } 757 } 758} 759 760static void 761sbp_post_busreset(void *arg) 762{ 763 struct sbp_softc *sbp; 764 765 sbp = (struct sbp_softc *)arg; 766SBP_DEBUG(0) 767 printf("sbp_post_busreset\n"); 768END_DEBUG 769 if ((sbp->sim->flags & SIMQ_FREEZED) == 0) { 770 xpt_freeze_simq(sbp->sim, /*count*/1); 771 sbp->sim->flags |= SIMQ_FREEZED; 772 } 773 microtime(&sbp->last_busreset); 774} 775 776static void 777sbp_post_explore(void *arg) 778{ 779 struct sbp_softc *sbp = (struct sbp_softc *)arg; 780 struct sbp_target *target; 781 struct fw_device *fwdev; 782 int i, alive; 783 784SBP_DEBUG(0) 785 printf("sbp_post_explore (sbp_cold=%d)\n", sbp_cold); 786END_DEBUG 787 if (sbp_cold > 0) 788 sbp_cold --; 789 790#if 0 791 /* 792 * XXX don't let CAM the bus rest. 793 * CAM tries to do something with freezed (DEV_RETRY) devices. 794 */ 795 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL); 796#endif 797 798 /* Gabage Collection */ 799 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){ 800 target = &sbp->targets[i]; 801 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) 802 if (target->fwdev == NULL || target->fwdev == fwdev) 803 break; 804 if (fwdev == NULL) { 805 /* device has removed in lower driver */ 806 sbp_cam_detach_target(target); 807 sbp_free_target(target); 808 } 809 } 810 /* traverse device list */ 811 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) { 812SBP_DEBUG(0) 813 printf("sbp_post_explore: EUI:%08x%08x ", 814 fwdev->eui.hi, fwdev->eui.lo); 815 if (fwdev->status != FWDEVATTACHED) 816 printf("not attached, state=%d.\n", fwdev->status); 817 else 818 printf("attached\n"); 819END_DEBUG 820 alive = SBP_FWDEV_ALIVE(fwdev); 821 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){ 822 target = &sbp->targets[i]; 823 if(target->fwdev == fwdev ) { 824 /* known target */ 825 break; 826 } 827 } 828 if(i == SBP_NUM_TARGETS){ 829 if (alive) { 830 /* new target */ 831 target = sbp_alloc_target(sbp, fwdev); 832 if (target == NULL) 833 continue; 834 } else { 835 continue; 836 } 837 } 838 sbp_probe_target((void *)target); 839 if (target->num_lun == 0) 840 sbp_free_target(target); 841 } 842 xpt_release_simq(sbp->sim, /*run queue*/TRUE); 843 sbp->sim->flags &= ~SIMQ_FREEZED; 844} 845 846#if NEED_RESPONSE 847static void 848sbp_loginres_callback(struct fw_xfer *xfer){ 849 int s; 850 struct sbp_dev *sdev; 851 sdev = (struct sbp_dev *)xfer->sc; 852SBP_DEBUG(1) 853 sbp_show_sdev_info(sdev, 2); 854 printf("sbp_loginres_callback\n"); 855END_DEBUG 856 /* recycle */ 857 s = splfw(); 858 STAILQ_INSERT_TAIL(&sdev->target->sbp->fwb.xferlist, xfer, link); 859 splx(s); 860 return; 861} 862#endif 863 864static __inline void 865sbp_xfer_free(struct fw_xfer *xfer) 866{ 867 struct sbp_dev *sdev; 868 int s; 869 870 sdev = (struct sbp_dev *)xfer->sc; 871 fw_xfer_unload(xfer); 872 s = splfw(); 873 STAILQ_INSERT_TAIL(&sdev->target->xferlist, xfer, link); 874 splx(s); 875} 876 877static void 878sbp_reset_start_callback(struct fw_xfer *xfer) 879{ 880 struct sbp_dev *tsdev, *sdev = (struct sbp_dev *)xfer->sc; 881 struct sbp_target *target = sdev->target; 882 int i; 883 884 if (xfer->resp != 0) { 885 sbp_show_sdev_info(sdev, 2); 886 printf("sbp_reset_start failed: resp=%d\n", xfer->resp); 887 } 888 889 for (i = 0; i < target->num_lun; i++) { 890 tsdev = target->luns[i]; 891 if (tsdev != NULL && tsdev->status == SBP_DEV_LOGIN) 892 sbp_login(tsdev); 893 } 894} 895 896static void 897sbp_reset_start(struct sbp_dev *sdev) 898{ 899 struct fw_xfer *xfer; 900 struct fw_pkt *fp; 901 902SBP_DEBUG(0) 903 sbp_show_sdev_info(sdev, 2); 904 printf("sbp_reset_start\n"); 905END_DEBUG 906 907 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 908 xfer->act.hand = sbp_reset_start_callback; 909 fp = &xfer->send.hdr; 910 fp->mode.wreqq.dest_hi = 0xffff; 911 fp->mode.wreqq.dest_lo = 0xf0000000 | RESET_START; 912 fp->mode.wreqq.data = htonl(0xf); 913 fw_asyreq(xfer->fc, -1, xfer); 914} 915 916static void 917sbp_mgm_callback(struct fw_xfer *xfer) 918{ 919 struct sbp_dev *sdev; 920 int resp; 921 922 sdev = (struct sbp_dev *)xfer->sc; 923 924SBP_DEBUG(1) 925 sbp_show_sdev_info(sdev, 2); 926 printf("sbp_mgm_callback\n"); 927END_DEBUG 928 resp = xfer->resp; 929 sbp_xfer_free(xfer); 930#if 0 931 if (resp != 0) { 932 sbp_show_sdev_info(sdev, 2); 933 printf("management ORB failed(%d) ... RESET_START\n", resp); 934 sbp_reset_start(sdev); 935 } 936#endif 937 return; 938} 939 940static struct sbp_dev * 941sbp_next_dev(struct sbp_target *target, int lun) 942{ 943 struct sbp_dev **sdevp; 944 int i; 945 946 for (i = lun, sdevp = &target->luns[lun]; i < target->num_lun; 947 i++, sdevp++) 948 if (*sdevp != NULL && (*sdevp)->status == SBP_DEV_PROBE) 949 return(*sdevp); 950 return(NULL); 951} 952 953#define SCAN_PRI 1 954static void 955sbp_cam_scan_lun(struct cam_periph *periph, union ccb *ccb) 956{ 957 struct sbp_target *target; 958 struct sbp_dev *sdev; 959 960 sdev = (struct sbp_dev *) ccb->ccb_h.ccb_sdev_ptr; 961 target = sdev->target; 962SBP_DEBUG(0) 963 sbp_show_sdev_info(sdev, 2); 964 printf("sbp_cam_scan_lun\n"); 965END_DEBUG 966 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 967 sdev->status = SBP_DEV_ATTACHED; 968 } else { 969 sbp_show_sdev_info(sdev, 2); 970 printf("scan failed\n"); 971 } 972 sdev = sbp_next_dev(target, sdev->lun_id + 1); 973 if (sdev == NULL) { 974 free(ccb, M_SBP); 975 return; 976 } 977 /* reuse ccb */ 978 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI); 979 ccb->ccb_h.ccb_sdev_ptr = sdev; 980 xpt_action(ccb); 981 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 982 sdev->freeze = 1; 983} 984 985static void 986sbp_cam_scan_target(void *arg) 987{ 988 struct sbp_target *target = (struct sbp_target *)arg; 989 struct sbp_dev *sdev; 990 union ccb *ccb; 991 992 sdev = sbp_next_dev(target, 0); 993 if (sdev == NULL) { 994 printf("sbp_cam_scan_target: nothing to do for target%d\n", 995 target->target_id); 996 return; 997 } 998SBP_DEBUG(0) 999 sbp_show_sdev_info(sdev, 2); 1000 printf("sbp_cam_scan_target\n"); 1001END_DEBUG 1002 ccb = malloc(sizeof(union ccb), M_SBP, M_NOWAIT | M_ZERO); 1003 if (ccb == NULL) { 1004 printf("sbp_cam_scan_target: malloc failed\n"); 1005 return; 1006 } 1007 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI); 1008 ccb->ccb_h.func_code = XPT_SCAN_LUN; 1009 ccb->ccb_h.cbfcnp = sbp_cam_scan_lun; 1010 ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 1011 ccb->crcn.flags = CAM_FLAG_NONE; 1012 ccb->ccb_h.ccb_sdev_ptr = sdev; 1013 1014 /* The scan is in progress now. */ 1015 xpt_action(ccb); 1016 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 1017 sdev->freeze = 1; 1018} 1019 1020static __inline void 1021sbp_scan_dev(struct sbp_dev *sdev) 1022{ 1023 sdev->status = SBP_DEV_PROBE; 1024 callout_reset(&sdev->target->scan_callout, scan_delay * hz / 1000, 1025 sbp_cam_scan_target, (void *)sdev->target); 1026} 1027 1028static void 1029sbp_do_attach(struct fw_xfer *xfer) 1030{ 1031 struct sbp_dev *sdev; 1032 struct sbp_target *target; 1033 struct sbp_softc *sbp; 1034 1035 sdev = (struct sbp_dev *)xfer->sc; 1036 target = sdev->target; 1037 sbp = target->sbp; 1038SBP_DEBUG(0) 1039 sbp_show_sdev_info(sdev, 2); 1040 printf("sbp_do_attach\n"); 1041END_DEBUG 1042 sbp_xfer_free(xfer); 1043 1044 if (sdev->path == NULL) 1045 xpt_create_path(&sdev->path, xpt_periph, 1046 cam_sim_path(target->sbp->sim), 1047 target->target_id, sdev->lun_id); 1048 1049 /* 1050 * Let CAM scan the bus if we are in the boot process. 1051 * XXX xpt_scan_bus cannot detect LUN larger than 0 1052 * if LUN 0 doesn't exists. 1053 */ 1054 if (sbp_cold > 0) { 1055 sdev->status = SBP_DEV_ATTACHED; 1056 return; 1057 } 1058 1059 sbp_scan_dev(sdev); 1060 return; 1061} 1062 1063static void 1064sbp_agent_reset_callback(struct fw_xfer *xfer) 1065{ 1066 struct sbp_dev *sdev; 1067 1068 sdev = (struct sbp_dev *)xfer->sc; 1069SBP_DEBUG(1) 1070 sbp_show_sdev_info(sdev, 2); 1071 printf("%s\n", __FUNCTION__); 1072END_DEBUG 1073 if (xfer->resp != 0) { 1074 sbp_show_sdev_info(sdev, 2); 1075 printf("%s: resp=%d\n", __FUNCTION__, xfer->resp); 1076 } 1077 1078 sbp_xfer_free(xfer); 1079 if (sdev->path) { 1080 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 1081 sdev->freeze = 0; 1082 } 1083} 1084 1085static void 1086sbp_agent_reset(struct sbp_dev *sdev) 1087{ 1088 struct fw_xfer *xfer; 1089 struct fw_pkt *fp; 1090 1091SBP_DEBUG(0) 1092 sbp_show_sdev_info(sdev, 2); 1093 printf("sbp_agent_reset\n"); 1094END_DEBUG 1095 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x04); 1096 if (xfer == NULL) 1097 return; 1098 if (sdev->status == SBP_DEV_ATTACHED || sdev->status == SBP_DEV_PROBE) 1099 xfer->act.hand = sbp_agent_reset_callback; 1100 else 1101 xfer->act.hand = sbp_do_attach; 1102 fp = &xfer->send.hdr; 1103 fp->mode.wreqq.data = htonl(0xf); 1104 fw_asyreq(xfer->fc, -1, xfer); 1105 sbp_abort_all_ocbs(sdev, CAM_BDR_SENT); 1106} 1107 1108static void 1109sbp_busy_timeout_callback(struct fw_xfer *xfer) 1110{ 1111 struct sbp_dev *sdev; 1112 1113 sdev = (struct sbp_dev *)xfer->sc; 1114SBP_DEBUG(1) 1115 sbp_show_sdev_info(sdev, 2); 1116 printf("sbp_busy_timeout_callback\n"); 1117END_DEBUG 1118 sbp_xfer_free(xfer); 1119 sbp_agent_reset(sdev); 1120} 1121 1122static void 1123sbp_busy_timeout(struct sbp_dev *sdev) 1124{ 1125 struct fw_pkt *fp; 1126 struct fw_xfer *xfer; 1127SBP_DEBUG(0) 1128 sbp_show_sdev_info(sdev, 2); 1129 printf("sbp_busy_timeout\n"); 1130END_DEBUG 1131 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 1132 1133 xfer->act.hand = sbp_busy_timeout_callback; 1134 fp = &xfer->send.hdr; 1135 fp->mode.wreqq.dest_hi = 0xffff; 1136 fp->mode.wreqq.dest_lo = 0xf0000000 | BUSY_TIMEOUT; 1137 fp->mode.wreqq.data = htonl((1 << (13+12)) | 0xf); 1138 fw_asyreq(xfer->fc, -1, xfer); 1139} 1140 1141static void 1142sbp_orb_pointer_callback(struct fw_xfer *xfer) 1143{ 1144 struct sbp_dev *sdev; 1145 sdev = (struct sbp_dev *)xfer->sc; 1146 1147SBP_DEBUG(1) 1148 sbp_show_sdev_info(sdev, 2); 1149 printf("%s\n", __FUNCTION__); 1150END_DEBUG 1151 if (xfer->resp != 0) { 1152 /* XXX */ 1153 printf("%s: xfer->resp = %d\n", __FUNCTION__, xfer->resp); 1154 } 1155 sbp_xfer_free(xfer); 1156 sdev->flags &= ~ORB_POINTER_ACTIVE; 1157 1158 if ((sdev->flags & ORB_POINTER_NEED) != 0) { 1159 struct sbp_ocb *ocb; 1160 1161 sdev->flags &= ~ORB_POINTER_NEED; 1162 ocb = STAILQ_FIRST(&sdev->ocbs); 1163 if (ocb != NULL) 1164 sbp_orb_pointer(sdev, ocb); 1165 } 1166 return; 1167} 1168 1169static void 1170sbp_orb_pointer(struct sbp_dev *sdev, struct sbp_ocb *ocb) 1171{ 1172 struct fw_xfer *xfer; 1173 struct fw_pkt *fp; 1174SBP_DEBUG(1) 1175 sbp_show_sdev_info(sdev, 2); 1176 printf("%s: 0x%08x\n", __FUNCTION__, (u_int32_t)ocb->bus_addr); 1177END_DEBUG 1178 1179 if ((sdev->flags & ORB_POINTER_ACTIVE) != 0) { 1180SBP_DEBUG(0) 1181 printf("%s: orb pointer active\n", __FUNCTION__); 1182END_DEBUG 1183 sdev->flags |= ORB_POINTER_NEED; 1184 return; 1185 } 1186 1187 sdev->flags |= ORB_POINTER_ACTIVE; 1188 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0x08); 1189 if (xfer == NULL) 1190 return; 1191 xfer->act.hand = sbp_orb_pointer_callback; 1192 1193 fp = &xfer->send.hdr; 1194 fp->mode.wreqb.len = 8; 1195 fp->mode.wreqb.extcode = 0; 1196 xfer->send.payload[0] = 1197 htonl(((sdev->target->sbp->fd.fc->nodeid | FWLOCALBUS )<< 16)); 1198 xfer->send.payload[1] = htonl((u_int32_t)ocb->bus_addr); 1199 1200 if(fw_asyreq(xfer->fc, -1, xfer) != 0){ 1201 sbp_xfer_free(xfer); 1202 ocb->ccb->ccb_h.status = CAM_REQ_INVALID; 1203 xpt_done(ocb->ccb); 1204 } 1205} 1206 1207#if 0 1208static void 1209sbp_cmd_callback(struct fw_xfer *xfer) 1210{ 1211SBP_DEBUG(1) 1212 struct sbp_dev *sdev; 1213 sdev = (struct sbp_dev *)xfer->sc; 1214 sbp_show_sdev_info(sdev, 2); 1215 printf("sbp_cmd_callback\n"); 1216END_DEBUG 1217 if (xfer->resp != 0) { 1218 /* XXX */ 1219 printf("%s: xfer->resp = %d\n", __FUNCTION__, xfer->resp); 1220 } 1221 sbp_xfer_free(xfer); 1222 return; 1223} 1224 1225static void 1226sbp_doorbell(struct sbp_dev *sdev) 1227{ 1228 struct fw_xfer *xfer; 1229 struct fw_pkt *fp; 1230SBP_DEBUG(1) 1231 sbp_show_sdev_info(sdev, 2); 1232 printf("sbp_doorbell\n"); 1233END_DEBUG 1234 1235 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x10); 1236 if (xfer == NULL) 1237 return; 1238 xfer->act.hand = sbp_cmd_callback; 1239 fp = (struct fw_pkt *)xfer->send.buf; 1240 fp->mode.wreqq.data = htonl(0xf); 1241 fw_asyreq(xfer->fc, -1, xfer); 1242} 1243#endif 1244 1245static struct fw_xfer * 1246sbp_write_cmd(struct sbp_dev *sdev, int tcode, int offset) 1247{ 1248 struct fw_xfer *xfer; 1249 struct fw_pkt *fp; 1250 struct sbp_target *target; 1251 int s, new = 0; 1252 1253 target = sdev->target; 1254 s = splfw(); 1255 xfer = STAILQ_FIRST(&target->xferlist); 1256 if (xfer == NULL) { 1257 if (target->n_xfer > 5 /* XXX */) { 1258 printf("sbp: no more xfer for this target\n"); 1259 splx(s); 1260 return(NULL); 1261 } 1262 xfer = fw_xfer_alloc_buf(M_SBP, 8, 0); 1263 if(xfer == NULL){ 1264 printf("sbp: fw_xfer_alloc_buf failed\n"); 1265 splx(s); 1266 return NULL; 1267 } 1268 target->n_xfer ++; 1269 if (debug) 1270 printf("sbp: alloc %d xfer\n", target->n_xfer); 1271 new = 1; 1272 } else { 1273 STAILQ_REMOVE_HEAD(&target->xferlist, link); 1274 } 1275 splx(s); 1276 1277 microtime(&xfer->tv); 1278 1279 if (new) { 1280 xfer->recv.pay_len = 0; 1281 xfer->send.spd = min(sdev->target->fwdev->speed, max_speed); 1282 xfer->fc = sdev->target->sbp->fd.fc; 1283 xfer->retry_req = fw_asybusy; 1284 } 1285 1286 if (tcode == FWTCODE_WREQB) 1287 xfer->send.pay_len = 8; 1288 else 1289 xfer->send.pay_len = 0; 1290 1291 xfer->sc = (caddr_t)sdev; 1292 fp = &xfer->send.hdr; 1293 fp->mode.wreqq.dest_hi = sdev->login->cmd_hi; 1294 fp->mode.wreqq.dest_lo = sdev->login->cmd_lo + offset; 1295 fp->mode.wreqq.tlrt = 0; 1296 fp->mode.wreqq.tcode = tcode; 1297 fp->mode.wreqq.pri = 0; 1298 fp->mode.wreqq.dst = FWLOCALBUS | sdev->target->fwdev->dst; 1299 1300 return xfer; 1301 1302} 1303 1304static void 1305sbp_mgm_orb(struct sbp_dev *sdev, int func, struct sbp_ocb *aocb) 1306{ 1307 struct fw_xfer *xfer; 1308 struct fw_pkt *fp; 1309 struct sbp_ocb *ocb; 1310 struct sbp_target *target; 1311 int s, nid; 1312 1313 target = sdev->target; 1314 nid = target->sbp->fd.fc->nodeid | FWLOCALBUS; 1315 1316 s = splfw(); 1317 if (func == ORB_FUN_RUNQUEUE) { 1318 ocb = STAILQ_FIRST(&target->mgm_ocb_queue); 1319 if (target->mgm_ocb_cur != NULL || ocb == NULL) { 1320 splx(s); 1321 return; 1322 } 1323 STAILQ_REMOVE_HEAD(&target->mgm_ocb_queue, ocb); 1324 goto start; 1325 } 1326 if ((ocb = sbp_get_ocb(sdev)) == NULL) { 1327 splx(s); 1328 /* XXX */ 1329 return; 1330 } 1331 ocb->flags = OCB_ACT_MGM; 1332 ocb->sdev = sdev; 1333 1334 bzero((void *)ocb->orb, sizeof(ocb->orb)); 1335 ocb->orb[6] = htonl((nid << 16) | SBP_BIND_HI); 1336 ocb->orb[7] = htonl(SBP_DEV2ADDR(target->target_id, sdev->lun_id)); 1337 1338SBP_DEBUG(0) 1339 sbp_show_sdev_info(sdev, 2); 1340 printf("%s\n", orb_fun_name[(func>>16)&0xf]); 1341END_DEBUG 1342 switch (func) { 1343 case ORB_FUN_LGI: 1344 ocb->orb[0] = ocb->orb[1] = 0; /* password */ 1345 ocb->orb[2] = htonl(nid << 16); 1346 ocb->orb[3] = htonl(sdev->dma.bus_addr); 1347 ocb->orb[4] = htonl(ORB_NOTIFY | sdev->lun_id); 1348 if (ex_login) 1349 ocb->orb[4] |= htonl(ORB_EXV); 1350 ocb->orb[5] = htonl(SBP_LOGIN_SIZE); 1351 fwdma_sync(&sdev->dma, BUS_DMASYNC_PREREAD); 1352 break; 1353 case ORB_FUN_ATA: 1354 ocb->orb[0] = htonl((0 << 16) | 0); 1355 ocb->orb[1] = htonl(aocb->bus_addr & 0xffffffff); 1356 /* fall through */ 1357 case ORB_FUN_RCN: 1358 case ORB_FUN_LGO: 1359 case ORB_FUN_LUR: 1360 case ORB_FUN_RST: 1361 case ORB_FUN_ATS: 1362 ocb->orb[4] = htonl(ORB_NOTIFY | func | sdev->login->id); 1363 break; 1364 } 1365 1366 if (target->mgm_ocb_cur != NULL) { 1367 /* there is a standing ORB */ 1368 STAILQ_INSERT_TAIL(&sdev->target->mgm_ocb_queue, ocb, ocb); 1369 splx(s); 1370 return; 1371 } 1372start: 1373 target->mgm_ocb_cur = ocb; 1374 splx(s); 1375 1376 callout_reset(&target->mgm_ocb_timeout, 5*hz, 1377 sbp_mgm_timeout, (caddr_t)ocb); 1378 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0); 1379 if(xfer == NULL){ 1380 return; 1381 } 1382 xfer->act.hand = sbp_mgm_callback; 1383 1384 fp = &xfer->send.hdr; 1385 fp->mode.wreqb.dest_hi = sdev->target->mgm_hi; 1386 fp->mode.wreqb.dest_lo = sdev->target->mgm_lo; 1387 fp->mode.wreqb.len = 8; 1388 fp->mode.wreqb.extcode = 0; 1389 xfer->send.payload[0] = htonl(nid << 16); 1390 xfer->send.payload[1] = htonl(ocb->bus_addr & 0xffffffff); 1391SBP_DEBUG(0) 1392 sbp_show_sdev_info(sdev, 2); 1393 printf("mgm orb: %08x\n", (u_int32_t)ocb->bus_addr); 1394END_DEBUG 1395 1396 fw_asyreq(xfer->fc, -1, xfer); 1397} 1398 1399static void 1400sbp_print_scsi_cmd(struct sbp_ocb *ocb) 1401{ 1402 struct ccb_scsiio *csio; 1403 1404 csio = &ocb->ccb->csio; 1405 printf("%s:%d:%d XPT_SCSI_IO: " 1406 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 1407 ", flags: 0x%02x, " 1408 "%db cmd/%db data/%db sense\n", 1409 device_get_nameunit(ocb->sdev->target->sbp->fd.dev), 1410 ocb->ccb->ccb_h.target_id, ocb->ccb->ccb_h.target_lun, 1411 csio->cdb_io.cdb_bytes[0], 1412 csio->cdb_io.cdb_bytes[1], 1413 csio->cdb_io.cdb_bytes[2], 1414 csio->cdb_io.cdb_bytes[3], 1415 csio->cdb_io.cdb_bytes[4], 1416 csio->cdb_io.cdb_bytes[5], 1417 csio->cdb_io.cdb_bytes[6], 1418 csio->cdb_io.cdb_bytes[7], 1419 csio->cdb_io.cdb_bytes[8], 1420 csio->cdb_io.cdb_bytes[9], 1421 ocb->ccb->ccb_h.flags & CAM_DIR_MASK, 1422 csio->cdb_len, csio->dxfer_len, 1423 csio->sense_len); 1424} 1425 1426static void 1427sbp_scsi_status(struct sbp_status *sbp_status, struct sbp_ocb *ocb) 1428{ 1429 struct sbp_cmd_status *sbp_cmd_status; 1430 struct scsi_sense_data *sense; 1431 1432 sbp_cmd_status = (struct sbp_cmd_status *)sbp_status->data; 1433 sense = &ocb->ccb->csio.sense_data; 1434 1435SBP_DEBUG(0) 1436 sbp_print_scsi_cmd(ocb); 1437 /* XXX need decode status */ 1438 sbp_show_sdev_info(ocb->sdev, 2); 1439 printf("SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d\n", 1440 sbp_cmd_status->status, 1441 sbp_cmd_status->sfmt, 1442 sbp_cmd_status->valid, 1443 sbp_cmd_status->s_key, 1444 sbp_cmd_status->s_code, 1445 sbp_cmd_status->s_qlfr, 1446 sbp_status->len 1447 ); 1448END_DEBUG 1449 1450 switch (sbp_cmd_status->status) { 1451 case SCSI_STATUS_CHECK_COND: 1452 case SCSI_STATUS_BUSY: 1453 case SCSI_STATUS_CMD_TERMINATED: 1454 if(sbp_cmd_status->sfmt == SBP_SFMT_CURR){ 1455 sense->error_code = SSD_CURRENT_ERROR; 1456 }else{ 1457 sense->error_code = SSD_DEFERRED_ERROR; 1458 } 1459 if(sbp_cmd_status->valid) 1460 sense->error_code |= SSD_ERRCODE_VALID; 1461 sense->flags = sbp_cmd_status->s_key; 1462 if(sbp_cmd_status->mark) 1463 sense->flags |= SSD_FILEMARK; 1464 if(sbp_cmd_status->eom) 1465 sense->flags |= SSD_EOM; 1466 if(sbp_cmd_status->ill_len) 1467 sense->flags |= SSD_ILI; 1468 1469 bcopy(&sbp_cmd_status->info, &sense->info[0], 4); 1470 1471 if (sbp_status->len <= 1) 1472 /* XXX not scsi status. shouldn't be happened */ 1473 sense->extra_len = 0; 1474 else if (sbp_status->len <= 4) 1475 /* add_sense_code(_qual), info, cmd_spec_info */ 1476 sense->extra_len = 6; 1477 else 1478 /* fru, sense_key_spec */ 1479 sense->extra_len = 10; 1480 1481 bcopy(&sbp_cmd_status->cdb, &sense->cmd_spec_info[0], 4); 1482 1483 sense->add_sense_code = sbp_cmd_status->s_code; 1484 sense->add_sense_code_qual = sbp_cmd_status->s_qlfr; 1485 sense->fru = sbp_cmd_status->fru; 1486 1487 bcopy(&sbp_cmd_status->s_keydep[0], 1488 &sense->sense_key_spec[0], 3); 1489 1490 ocb->ccb->csio.scsi_status = sbp_cmd_status->status;; 1491 ocb->ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR 1492 | CAM_AUTOSNS_VALID; 1493/* 1494{ 1495 u_int8_t j, *tmp; 1496 tmp = sense; 1497 for( j = 0 ; j < 32 ; j+=8){ 1498 printf("sense %02x%02x %02x%02x %02x%02x %02x%02x\n", 1499 tmp[j], tmp[j+1], tmp[j+2], tmp[j+3], 1500 tmp[j+4], tmp[j+5], tmp[j+6], tmp[j+7]); 1501 } 1502 1503} 1504*/ 1505 break; 1506 default: 1507 sbp_show_sdev_info(ocb->sdev, 2); 1508 printf("sbp_scsi_status: unknown scsi status 0x%x\n", 1509 sbp_cmd_status->status); 1510 } 1511} 1512 1513static void 1514sbp_fix_inq_data(struct sbp_ocb *ocb) 1515{ 1516 union ccb *ccb; 1517 struct sbp_dev *sdev; 1518 struct scsi_inquiry_data *inq; 1519 1520 ccb = ocb->ccb; 1521 sdev = ocb->sdev; 1522 1523 if (ccb->csio.cdb_io.cdb_bytes[1] & SI_EVPD) 1524 return; 1525SBP_DEBUG(1) 1526 sbp_show_sdev_info(sdev, 2); 1527 printf("sbp_fix_inq_data\n"); 1528END_DEBUG 1529 inq = (struct scsi_inquiry_data *) ccb->csio.data_ptr; 1530 switch (SID_TYPE(inq)) { 1531 case T_DIRECT: 1532#if 0 1533 /* 1534 * XXX Convert Direct Access device to RBC. 1535 * I've never seen FireWire DA devices which support READ_6. 1536 */ 1537 if (SID_TYPE(inq) == T_DIRECT) 1538 inq->device |= T_RBC; /* T_DIRECT == 0 */ 1539#endif 1540 /* fall through */ 1541 case T_RBC: 1542 /* enable tagged queuing */ 1543#if 1 1544 inq->flags |= SID_CmdQue; 1545#endif 1546 /* 1547 * Override vendor/product/revision information. 1548 * Some devices sometimes return strange strings. 1549 */ 1550#if 1 1551 bcopy(sdev->vendor, inq->vendor, sizeof(inq->vendor)); 1552 bcopy(sdev->product, inq->product, sizeof(inq->product)); 1553 bcopy(sdev->revision+2, inq->revision, sizeof(inq->revision)); 1554#endif 1555 break; 1556 } 1557} 1558 1559static void 1560sbp_recv1(struct fw_xfer *xfer) 1561{ 1562 struct fw_pkt *rfp; 1563#if NEED_RESPONSE 1564 struct fw_pkt *sfp; 1565#endif 1566 struct sbp_softc *sbp; 1567 struct sbp_dev *sdev; 1568 struct sbp_ocb *ocb; 1569 struct sbp_login_res *login_res = NULL; 1570 struct sbp_status *sbp_status; 1571 struct sbp_target *target; 1572 int orb_fun, status_valid0, status_valid, t, l, reset_agent = 0; 1573 u_int32_t addr; 1574/* 1575 u_int32_t *ld; 1576 ld = xfer->recv.buf; 1577printf("sbp %x %d %d %08x %08x %08x %08x\n", 1578 xfer->resp, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3])); 1579printf("sbp %08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 1580printf("sbp %08x %08x %08x %08x\n", ntohl(ld[8]), ntohl(ld[9]), ntohl(ld[10]), ntohl(ld[11])); 1581*/ 1582 sbp = (struct sbp_softc *)xfer->sc; 1583 if (xfer->resp != 0){ 1584 printf("sbp_recv: xfer->resp = %d\n", xfer->resp); 1585 goto done0; 1586 } 1587 if (xfer->recv.payload == NULL){ 1588 printf("sbp_recv: xfer->recv.payload == NULL\n"); 1589 goto done0; 1590 } 1591 rfp = &xfer->recv.hdr; 1592 if(rfp->mode.wreqb.tcode != FWTCODE_WREQB){ 1593 printf("sbp_recv: tcode = %d\n", rfp->mode.wreqb.tcode); 1594 goto done0; 1595 } 1596 sbp_status = (struct sbp_status *)xfer->recv.payload; 1597 addr = rfp->mode.wreqb.dest_lo; 1598SBP_DEBUG(2) 1599 printf("received address 0x%x\n", addr); 1600END_DEBUG 1601 t = SBP_ADDR2TRG(addr); 1602 if (t >= SBP_NUM_TARGETS) { 1603 device_printf(sbp->fd.dev, 1604 "sbp_recv1: invalid target %d\n", t); 1605 goto done0; 1606 } 1607 target = &sbp->targets[t]; 1608 l = SBP_ADDR2LUN(addr); 1609 if (l >= target->num_lun || target->luns[l] == NULL) { 1610 device_printf(sbp->fd.dev, 1611 "sbp_recv1: invalid lun %d (target=%d)\n", l, t); 1612 goto done0; 1613 } 1614 sdev = target->luns[l]; 1615 1616 ocb = NULL; 1617 switch (sbp_status->src) { 1618 case 0: 1619 case 1: 1620 /* check mgm_ocb_cur first */ 1621 ocb = target->mgm_ocb_cur; 1622 if (ocb != NULL) { 1623 if (OCB_MATCH(ocb, sbp_status)) { 1624 callout_stop(&target->mgm_ocb_timeout); 1625 target->mgm_ocb_cur = NULL; 1626 break; 1627 } 1628 } 1629 ocb = sbp_dequeue_ocb(sdev, sbp_status); 1630 if (ocb == NULL) { 1631 sbp_show_sdev_info(sdev, 2); 1632#if __FreeBSD_version >= 500000 1633 printf("No ocb(%x) on the queue\n", 1634#else 1635 printf("No ocb(%lx) on the queue\n", 1636#endif 1637 ntohl(sbp_status->orb_lo)); 1638 } 1639 break; 1640 case 2: 1641 /* unsolicit */ 1642 sbp_show_sdev_info(sdev, 2); 1643 printf("unsolicit status received\n"); 1644 break; 1645 default: 1646 sbp_show_sdev_info(sdev, 2); 1647 printf("unknown sbp_status->src\n"); 1648 } 1649 1650 status_valid0 = (sbp_status->src < 2 1651 && sbp_status->resp == ORB_RES_CMPL 1652 && sbp_status->dead == 0); 1653 status_valid = (status_valid0 && sbp_status->status == 0); 1654 1655 if (!status_valid0 || debug > 2){ 1656 int status; 1657SBP_DEBUG(0) 1658 sbp_show_sdev_info(sdev, 2); 1659 printf("ORB status src:%x resp:%x dead:%x" 1660#if __FreeBSD_version >= 500000 1661 " len:%x stat:%x orb:%x%08x\n", 1662#else 1663 " len:%x stat:%x orb:%x%08lx\n", 1664#endif 1665 sbp_status->src, sbp_status->resp, sbp_status->dead, 1666 sbp_status->len, sbp_status->status, 1667 ntohs(sbp_status->orb_hi), ntohl(sbp_status->orb_lo)); 1668END_DEBUG 1669 sbp_show_sdev_info(sdev, 2); 1670 status = sbp_status->status; 1671 switch(sbp_status->resp) { 1672 case 0: 1673 if (status > MAX_ORB_STATUS0) 1674 printf("%s\n", orb_status0[MAX_ORB_STATUS0]); 1675 else 1676 printf("%s\n", orb_status0[status]); 1677 break; 1678 case 1: 1679 printf("Obj: %s, Error: %s\n", 1680 orb_status1_object[(status>>6) & 3], 1681 orb_status1_serial_bus_error[status & 0xf]); 1682 break; 1683 case 2: 1684 printf("Illegal request\n"); 1685 break; 1686 case 3: 1687 printf("Vendor dependent\n"); 1688 break; 1689 default: 1690 printf("unknown respose code %d\n", sbp_status->resp); 1691 } 1692 } 1693 1694 /* we have to reset the fetch agent if it's dead */ 1695 if (sbp_status->dead) { 1696 if (sdev->path) { 1697 xpt_freeze_devq(sdev->path, 1); 1698 sdev->freeze ++; 1699 } 1700 reset_agent = 1; 1701 } 1702 1703 if (ocb == NULL) 1704 goto done; 1705 1706 switch(ntohl(ocb->orb[4]) & ORB_FMT_MSK){ 1707 case ORB_FMT_NOP: 1708 break; 1709 case ORB_FMT_VED: 1710 break; 1711 case ORB_FMT_STD: 1712 switch(ocb->flags) { 1713 case OCB_ACT_MGM: 1714 orb_fun = ntohl(ocb->orb[4]) & ORB_FUN_MSK; 1715 reset_agent = 0; 1716 switch(orb_fun) { 1717 case ORB_FUN_LGI: 1718 fwdma_sync(&sdev->dma, BUS_DMASYNC_POSTREAD); 1719 login_res = sdev->login; 1720 login_res->len = ntohs(login_res->len); 1721 login_res->id = ntohs(login_res->id); 1722 login_res->cmd_hi = ntohs(login_res->cmd_hi); 1723 login_res->cmd_lo = ntohl(login_res->cmd_lo); 1724 if (status_valid) { 1725SBP_DEBUG(0) 1726sbp_show_sdev_info(sdev, 2); 1727printf("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)); 1728END_DEBUG 1729 sbp_busy_timeout(sdev); 1730 } else { 1731 /* forgot logout? */ 1732 sbp_show_sdev_info(sdev, 2); 1733 printf("login failed\n"); 1734 sdev->status = SBP_DEV_RESET; 1735 } 1736 break; 1737 case ORB_FUN_RCN: 1738 login_res = sdev->login; 1739 if (status_valid) { 1740SBP_DEBUG(0) 1741sbp_show_sdev_info(sdev, 2); 1742printf("reconnect: len %d, ID %d, cmd %08x%08x\n", login_res->len, login_res->id, login_res->cmd_hi, login_res->cmd_lo); 1743END_DEBUG 1744#if 1 1745 if (sdev->status == SBP_DEV_ATTACHED) 1746 sbp_scan_dev(sdev); 1747 else 1748 sbp_agent_reset(sdev); 1749#else 1750 sdev->status = SBP_DEV_ATTACHED; 1751 sbp_mgm_orb(sdev, ORB_FUN_ATS, NULL); 1752#endif 1753 } else { 1754 /* reconnection hold time exceed? */ 1755SBP_DEBUG(0) 1756 sbp_show_sdev_info(sdev, 2); 1757 printf("reconnect failed\n"); 1758END_DEBUG 1759 sbp_login(sdev); 1760 } 1761 break; 1762 case ORB_FUN_LGO: 1763 sdev->status = SBP_DEV_RESET; 1764 break; 1765 case ORB_FUN_RST: 1766 sbp_busy_timeout(sdev); 1767 break; 1768 case ORB_FUN_LUR: 1769 case ORB_FUN_ATA: 1770 case ORB_FUN_ATS: 1771 sbp_agent_reset(sdev); 1772 break; 1773 default: 1774 sbp_show_sdev_info(sdev, 2); 1775 printf("unknown function %d\n", orb_fun); 1776 break; 1777 } 1778 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 1779 break; 1780 case OCB_ACT_CMD: 1781 sdev->timeout = 0; 1782 if(ocb->ccb != NULL){ 1783 union ccb *ccb; 1784/* 1785 u_int32_t *ld; 1786 ld = ocb->ccb->csio.data_ptr; 1787 if(ld != NULL && ocb->ccb->csio.dxfer_len != 0) 1788 printf("ptr %08x %08x %08x %08x\n", ld[0], ld[1], ld[2], ld[3]); 1789 else 1790 printf("ptr NULL\n"); 1791printf("len %d\n", sbp_status->len); 1792*/ 1793 ccb = ocb->ccb; 1794 if(sbp_status->len > 1){ 1795 sbp_scsi_status(sbp_status, ocb); 1796 }else{ 1797 if(sbp_status->resp != ORB_RES_CMPL){ 1798 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1799 }else{ 1800 ccb->ccb_h.status = CAM_REQ_CMP; 1801 } 1802 } 1803 /* fix up inq data */ 1804 if (ccb->csio.cdb_io.cdb_bytes[0] == INQUIRY) 1805 sbp_fix_inq_data(ocb); 1806 xpt_done(ccb); 1807 } 1808 break; 1809 default: 1810 break; 1811 } 1812 } 1813 1814 sbp_free_ocb(sdev, ocb); 1815done: 1816 if (reset_agent) 1817 sbp_agent_reset(sdev); 1818 1819done0: 1820 xfer->recv.pay_len = SBP_RECV_LEN; 1821/* The received packet is usually small enough to be stored within 1822 * the buffer. In that case, the controller return ack_complete and 1823 * no respose is necessary. 1824 * 1825 * XXX fwohci.c and firewire.c should inform event_code such as 1826 * ack_complete or ack_pending to upper driver. 1827 */ 1828#if NEED_RESPONSE 1829 xfer->send.off = 0; 1830 sfp = (struct fw_pkt *)xfer->send.buf; 1831 sfp->mode.wres.dst = rfp->mode.wreqb.src; 1832 xfer->dst = sfp->mode.wres.dst; 1833 xfer->spd = min(sdev->target->fwdev->speed, max_speed); 1834 xfer->act.hand = sbp_loginres_callback; 1835 xfer->retry_req = fw_asybusy; 1836 1837 sfp->mode.wres.tlrt = rfp->mode.wreqb.tlrt; 1838 sfp->mode.wres.tcode = FWTCODE_WRES; 1839 sfp->mode.wres.rtcode = 0; 1840 sfp->mode.wres.pri = 0; 1841 1842 fw_asyreq(xfer->fc, -1, xfer); 1843#else 1844 /* recycle */ 1845 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link); 1846#endif 1847 1848 return; 1849 1850} 1851 1852static void 1853sbp_recv(struct fw_xfer *xfer) 1854{ 1855 int s; 1856 1857 s = splcam(); 1858 sbp_recv1(xfer); 1859 splx(s); 1860} 1861/* 1862 * sbp_attach() 1863 */ 1864static int 1865sbp_attach(device_t dev) 1866{ 1867 struct sbp_softc *sbp; 1868 struct cam_devq *devq; 1869 struct fw_xfer *xfer; 1870 int i, s, error; 1871 1872SBP_DEBUG(0) 1873 printf("sbp_attach (cold=%d)\n", cold); 1874END_DEBUG 1875 1876 if (cold) 1877 sbp_cold ++; 1878 sbp = ((struct sbp_softc *)device_get_softc(dev)); 1879 bzero(sbp, sizeof(struct sbp_softc)); 1880 sbp->fd.dev = dev; 1881 sbp->fd.fc = device_get_ivars(dev); 1882 error = bus_dma_tag_create(/*parent*/sbp->fd.fc->dmat, 1883 /* XXX shoud be 4 for sane backend? */ 1884 /*alignment*/1, 1885 /*boundary*/0, 1886 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, 1887 /*highaddr*/BUS_SPACE_MAXADDR, 1888 /*filter*/NULL, /*filterarg*/NULL, 1889 /*maxsize*/0x100000, /*nsegments*/SBP_IND_MAX, 1890 /*maxsegsz*/SBP_SEG_MAX, 1891 /*flags*/BUS_DMA_ALLOCNOW, 1892#if __FreeBSD_version >= 501102 1893 /*lockfunc*/busdma_lock_mutex, 1894 /*lockarg*/&Giant, 1895#endif 1896 &sbp->dmat); 1897 if (error != 0) { 1898 printf("sbp_attach: Could not allocate DMA tag " 1899 "- error %d\n", error); 1900 return (ENOMEM); 1901 } 1902 1903 devq = cam_simq_alloc(/*maxopenings*/SBP_NUM_OCB); 1904 if (devq == NULL) 1905 return (ENXIO); 1906 1907 for( i = 0 ; i < SBP_NUM_TARGETS ; i++){ 1908 sbp->targets[i].fwdev = NULL; 1909 sbp->targets[i].luns = NULL; 1910 } 1911 1912 sbp->sim = cam_sim_alloc(sbp_action, sbp_poll, "sbp", sbp, 1913 device_get_unit(dev), 1914 /*untagged*/ 1, 1915 /*tagged*/ SBP_QUEUE_LEN - 1, 1916 devq); 1917 1918 if (sbp->sim == NULL) { 1919 cam_simq_free(devq); 1920 return (ENXIO); 1921 } 1922 1923 1924 if (xpt_bus_register(sbp->sim, /*bus*/0) != CAM_SUCCESS) 1925 goto fail; 1926 1927 if (xpt_create_path(&sbp->path, xpt_periph, cam_sim_path(sbp->sim), 1928 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 1929 xpt_bus_deregister(cam_sim_path(sbp->sim)); 1930 goto fail; 1931 } 1932 1933 /* We reserve 16 bit space (4 bytes X 64 targets X 256 luns) */ 1934 sbp->fwb.start = ((u_int64_t)SBP_BIND_HI << 32) | SBP_DEV2ADDR(0, 0); 1935 sbp->fwb.end = sbp->fwb.start + 0xffff; 1936 sbp->fwb.act_type = FWACT_XFER; 1937 /* pre-allocate xfer */ 1938 STAILQ_INIT(&sbp->fwb.xferlist); 1939 for (i = 0; i < SBP_NUM_OCB/2; i ++) { 1940 xfer = fw_xfer_alloc_buf(M_SBP, 1941 /* send */0, 1942 /* recv */SBP_RECV_LEN); 1943 xfer->act.hand = sbp_recv; 1944#if NEED_RESPONSE 1945 xfer->fc = sbp->fd.fc; 1946#endif 1947 xfer->sc = (caddr_t)sbp; 1948 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link); 1949 } 1950 fw_bindadd(sbp->fd.fc, &sbp->fwb); 1951 1952 sbp->fd.post_busreset = sbp_post_busreset; 1953 sbp->fd.post_explore = sbp_post_explore; 1954 1955 if (sbp->fd.fc->status != -1) { 1956 s = splfw(); 1957 sbp_post_busreset((void *)sbp); 1958 sbp_post_explore((void *)sbp); 1959 splx(s); 1960 } 1961 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL); 1962 1963 return (0); 1964fail: 1965 cam_sim_free(sbp->sim, /*free_devq*/TRUE); 1966 return (ENXIO); 1967} 1968 1969static int 1970sbp_logout_all(struct sbp_softc *sbp) 1971{ 1972 struct sbp_target *target; 1973 struct sbp_dev *sdev; 1974 int i, j; 1975 1976SBP_DEBUG(0) 1977 printf("sbp_logout_all\n"); 1978END_DEBUG 1979 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) { 1980 target = &sbp->targets[i]; 1981 if (target->luns == NULL) 1982 continue; 1983 for (j = 0; j < target->num_lun; j++) { 1984 sdev = target->luns[j]; 1985 if (sdev == NULL) 1986 continue; 1987 callout_stop(&sdev->login_callout); 1988 if (sdev->status >= SBP_DEV_TOATTACH && 1989 sdev->status <= SBP_DEV_ATTACHED) 1990 sbp_mgm_orb(sdev, ORB_FUN_LGO, NULL); 1991 } 1992 } 1993 1994 return 0; 1995} 1996 1997static int 1998sbp_shutdown(device_t dev) 1999{ 2000 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 2001 2002 sbp_logout_all(sbp); 2003 return (0); 2004} 2005 2006static void 2007sbp_free_sdev(struct sbp_dev *sdev) 2008{ 2009 int i; 2010 2011 if (sdev == NULL) 2012 return; 2013 for (i = 0; i < SBP_QUEUE_LEN; i++) 2014 bus_dmamap_destroy(sdev->target->sbp->dmat, 2015 sdev->ocb[i].dmamap); 2016 fwdma_free(sdev->target->sbp->fd.fc, &sdev->dma); 2017 free(sdev, M_SBP); 2018} 2019 2020static void 2021sbp_free_target(struct sbp_target *target) 2022{ 2023 struct sbp_softc *sbp; 2024 struct fw_xfer *xfer, *next; 2025 int i; 2026 2027 if (target->luns == NULL) 2028 return; 2029 callout_stop(&target->mgm_ocb_timeout); 2030 sbp = target->sbp; 2031 for (i = 0; i < target->num_lun; i++) 2032 sbp_free_sdev(target->luns[i]); 2033 2034 for (xfer = STAILQ_FIRST(&target->xferlist); 2035 xfer != NULL; xfer = next) { 2036 next = STAILQ_NEXT(xfer, link); 2037 fw_xfer_free_buf(xfer); 2038 } 2039 STAILQ_INIT(&target->xferlist); 2040 free(target->luns, M_SBP); 2041 target->num_lun = 0;; 2042 target->luns = NULL; 2043 target->fwdev = NULL; 2044} 2045 2046static int 2047sbp_detach(device_t dev) 2048{ 2049 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 2050 struct firewire_comm *fc = sbp->fd.fc; 2051 struct fw_xfer *xfer, *next; 2052 int i; 2053 2054SBP_DEBUG(0) 2055 printf("sbp_detach\n"); 2056END_DEBUG 2057 2058 for (i = 0; i < SBP_NUM_TARGETS; i ++) 2059 sbp_cam_detach_target(&sbp->targets[i]); 2060 xpt_async(AC_LOST_DEVICE, sbp->path, NULL); 2061 xpt_free_path(sbp->path); 2062 xpt_bus_deregister(cam_sim_path(sbp->sim)); 2063 cam_sim_free(sbp->sim, /*free_devq*/ TRUE), 2064 2065 sbp_logout_all(sbp); 2066 2067 /* XXX wait for logout completion */ 2068 tsleep(&i, FWPRI, "sbpdtc", hz/2); 2069 2070 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) 2071 sbp_free_target(&sbp->targets[i]); 2072 2073 for (xfer = STAILQ_FIRST(&sbp->fwb.xferlist); 2074 xfer != NULL; xfer = next) { 2075 next = STAILQ_NEXT(xfer, link); 2076 fw_xfer_free_buf(xfer); 2077 } 2078 STAILQ_INIT(&sbp->fwb.xferlist); 2079 fw_bindremove(fc, &sbp->fwb); 2080 2081 bus_dma_tag_destroy(sbp->dmat); 2082 2083 return (0); 2084} 2085 2086static void 2087sbp_cam_detach_sdev(struct sbp_dev *sdev) 2088{ 2089 if (sdev == NULL) 2090 return; 2091 if (sdev->status == SBP_DEV_DEAD) 2092 return; 2093 if (sdev->status == SBP_DEV_RESET) 2094 return; 2095 if (sdev->path) { 2096 xpt_release_devq(sdev->path, 2097 sdev->freeze, TRUE); 2098 sdev->freeze = 0; 2099 xpt_async(AC_LOST_DEVICE, sdev->path, NULL); 2100 xpt_free_path(sdev->path); 2101 sdev->path = NULL; 2102 } 2103 sbp_abort_all_ocbs(sdev, CAM_DEV_NOT_THERE); 2104} 2105 2106static void 2107sbp_cam_detach_target(struct sbp_target *target) 2108{ 2109 int i; 2110 2111 if (target->luns != NULL) { 2112SBP_DEBUG(0) 2113 printf("sbp_detach_target %d\n", target->target_id); 2114END_DEBUG 2115 callout_stop(&target->scan_callout); 2116 for (i = 0; i < target->num_lun; i++) 2117 sbp_cam_detach_sdev(target->luns[i]); 2118 } 2119} 2120 2121static void 2122sbp_target_reset(struct sbp_dev *sdev, int method) 2123{ 2124 int i; 2125 struct sbp_target *target = sdev->target; 2126 struct sbp_dev *tsdev; 2127 2128 for (i = 0; i < target->num_lun; i++) { 2129 tsdev = target->luns[i]; 2130 if (tsdev == NULL) 2131 continue; 2132 if (tsdev->status == SBP_DEV_DEAD) 2133 continue; 2134 if (tsdev->status == SBP_DEV_RESET) 2135 continue; 2136 xpt_freeze_devq(tsdev->path, 1); 2137 tsdev->freeze ++; 2138 sbp_abort_all_ocbs(tsdev, CAM_CMD_TIMEOUT); 2139 if (method == 2) 2140 tsdev->status = SBP_DEV_LOGIN; 2141 } 2142 switch(method) { 2143 case 1: 2144 printf("target reset\n"); 2145 sbp_mgm_orb(sdev, ORB_FUN_RST, NULL); 2146 break; 2147 case 2: 2148 printf("reset start\n"); 2149 sbp_reset_start(sdev); 2150 break; 2151 } 2152 2153} 2154 2155static void 2156sbp_mgm_timeout(void *arg) 2157{ 2158 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 2159 struct sbp_dev *sdev = ocb->sdev; 2160 struct sbp_target *target = sdev->target; 2161 2162 sbp_show_sdev_info(sdev, 2); 2163 printf("request timeout(mgm orb:0x%08x) ... ", 2164 (u_int32_t)ocb->bus_addr); 2165 target->mgm_ocb_cur = NULL; 2166 sbp_free_ocb(sdev, ocb); 2167#if 0 2168 /* XXX */ 2169 printf("run next request\n"); 2170 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 2171#endif 2172#if 1 2173 printf("reset start\n"); 2174 sbp_reset_start(sdev); 2175#endif 2176} 2177 2178static void 2179sbp_timeout(void *arg) 2180{ 2181 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 2182 struct sbp_dev *sdev = ocb->sdev; 2183 2184 sbp_show_sdev_info(sdev, 2); 2185 printf("request timeout(cmd orb:0x%08x) ... ", 2186 (u_int32_t)ocb->bus_addr); 2187 2188 sdev->timeout ++; 2189 switch(sdev->timeout) { 2190 case 1: 2191 printf("agent reset\n"); 2192 xpt_freeze_devq(sdev->path, 1); 2193 sdev->freeze ++; 2194 sbp_abort_all_ocbs(sdev, CAM_CMD_TIMEOUT); 2195 sbp_agent_reset(sdev); 2196 break; 2197 case 2: 2198 case 3: 2199 sbp_target_reset(sdev, sdev->timeout - 1); 2200 break; 2201#if 0 2202 default: 2203 /* XXX give up */ 2204 sbp_cam_detach_target(target); 2205 if (target->luns != NULL) 2206 free(target->luns, M_SBP); 2207 target->num_lun = 0;; 2208 target->luns = NULL; 2209 target->fwdev = NULL; 2210#endif 2211 } 2212} 2213 2214static void 2215sbp_action1(struct cam_sim *sim, union ccb *ccb) 2216{ 2217 2218 struct sbp_softc *sbp = (struct sbp_softc *)sim->softc; 2219 struct sbp_target *target = NULL; 2220 struct sbp_dev *sdev = NULL; 2221 2222 /* target:lun -> sdev mapping */ 2223 if (sbp != NULL 2224 && ccb->ccb_h.target_id != CAM_TARGET_WILDCARD 2225 && ccb->ccb_h.target_id < SBP_NUM_TARGETS) { 2226 target = &sbp->targets[ccb->ccb_h.target_id]; 2227 if (target->fwdev != NULL 2228 && ccb->ccb_h.target_lun != CAM_LUN_WILDCARD 2229 && ccb->ccb_h.target_lun < target->num_lun) { 2230 sdev = target->luns[ccb->ccb_h.target_lun]; 2231 if (sdev != NULL && sdev->status != SBP_DEV_ATTACHED && 2232 sdev->status != SBP_DEV_PROBE) 2233 sdev = NULL; 2234 } 2235 } 2236 2237SBP_DEBUG(1) 2238 if (sdev == NULL) 2239 printf("invalid target %d lun %d\n", 2240 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2241END_DEBUG 2242 2243 switch (ccb->ccb_h.func_code) { 2244 case XPT_SCSI_IO: 2245 case XPT_RESET_DEV: 2246 case XPT_GET_TRAN_SETTINGS: 2247 case XPT_SET_TRAN_SETTINGS: 2248 case XPT_CALC_GEOMETRY: 2249 if (sdev == NULL) { 2250SBP_DEBUG(1) 2251 printf("%s:%d:%d:func_code 0x%04x: " 2252 "Invalid target (target needed)\n", 2253 device_get_nameunit(sbp->fd.dev), 2254 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2255 ccb->ccb_h.func_code); 2256END_DEBUG 2257 2258 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2259 xpt_done(ccb); 2260 return; 2261 } 2262 break; 2263 case XPT_PATH_INQ: 2264 case XPT_NOOP: 2265 /* The opcodes sometimes aimed at a target (sc is valid), 2266 * sometimes aimed at the SIM (sc is invalid and target is 2267 * CAM_TARGET_WILDCARD) 2268 */ 2269 if (sbp == NULL && 2270 ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) { 2271SBP_DEBUG(0) 2272 printf("%s:%d:%d func_code 0x%04x: " 2273 "Invalid target (no wildcard)\n", 2274 device_get_nameunit(sbp->fd.dev), 2275 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2276 ccb->ccb_h.func_code); 2277END_DEBUG 2278 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2279 xpt_done(ccb); 2280 return; 2281 } 2282 break; 2283 default: 2284 /* XXX Hm, we should check the input parameters */ 2285 break; 2286 } 2287 2288 switch (ccb->ccb_h.func_code) { 2289 case XPT_SCSI_IO: 2290 { 2291 struct ccb_scsiio *csio; 2292 struct sbp_ocb *ocb; 2293 int speed; 2294 void *cdb; 2295 2296 csio = &ccb->csio; 2297 2298SBP_DEBUG(2) 2299 printf("%s:%d:%d XPT_SCSI_IO: " 2300 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 2301 ", flags: 0x%02x, " 2302 "%db cmd/%db data/%db sense\n", 2303 device_get_nameunit(sbp->fd.dev), 2304 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2305 csio->cdb_io.cdb_bytes[0], 2306 csio->cdb_io.cdb_bytes[1], 2307 csio->cdb_io.cdb_bytes[2], 2308 csio->cdb_io.cdb_bytes[3], 2309 csio->cdb_io.cdb_bytes[4], 2310 csio->cdb_io.cdb_bytes[5], 2311 csio->cdb_io.cdb_bytes[6], 2312 csio->cdb_io.cdb_bytes[7], 2313 csio->cdb_io.cdb_bytes[8], 2314 csio->cdb_io.cdb_bytes[9], 2315 ccb->ccb_h.flags & CAM_DIR_MASK, 2316 csio->cdb_len, csio->dxfer_len, 2317 csio->sense_len); 2318END_DEBUG 2319 if(sdev == NULL){ 2320 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2321 xpt_done(ccb); 2322 return; 2323 } 2324#if 0 2325 /* if we are in probe stage, pass only probe commands */ 2326 if (sdev->status == SBP_DEV_PROBE) { 2327 char *name; 2328 name = xpt_path_periph(ccb->ccb_h.path)->periph_name; 2329 printf("probe stage, periph name: %s\n", name); 2330 if (strcmp(name, "probe") != 0) { 2331 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2332 xpt_done(ccb); 2333 return; 2334 } 2335 } 2336#endif 2337 if ((ocb = sbp_get_ocb(sdev)) == NULL) { 2338 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2339 xpt_done(ccb); 2340 return; 2341 } 2342 2343 ocb->flags = OCB_ACT_CMD; 2344 ocb->sdev = sdev; 2345 ocb->ccb = ccb; 2346 ccb->ccb_h.ccb_sdev_ptr = sdev; 2347 ocb->orb[0] = htonl(1 << 31); 2348 ocb->orb[1] = 0; 2349 ocb->orb[2] = htonl(((sbp->fd.fc->nodeid | FWLOCALBUS )<< 16) ); 2350 ocb->orb[3] = htonl(ocb->bus_addr + IND_PTR_OFFSET); 2351 speed = min(target->fwdev->speed, max_speed); 2352 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_CMD_SPD(speed) 2353 | ORB_CMD_MAXP(speed + 7)); 2354 if((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN){ 2355 ocb->orb[4] |= htonl(ORB_CMD_IN); 2356 } 2357 2358 if (csio->ccb_h.flags & CAM_SCATTER_VALID) 2359 printf("sbp: CAM_SCATTER_VALID\n"); 2360 if (csio->ccb_h.flags & CAM_DATA_PHYS) 2361 printf("sbp: CAM_DATA_PHYS\n"); 2362 2363 if (csio->ccb_h.flags & CAM_CDB_POINTER) 2364 cdb = (void *)csio->cdb_io.cdb_ptr; 2365 else 2366 cdb = (void *)&csio->cdb_io.cdb_bytes; 2367 bcopy(cdb, (void *)&ocb->orb[5], csio->cdb_len); 2368/* 2369printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[0]), ntohl(ocb->orb[1]), ntohl(ocb->orb[2]), ntohl(ocb->orb[3])); 2370printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[4]), ntohl(ocb->orb[5]), ntohl(ocb->orb[6]), ntohl(ocb->orb[7])); 2371*/ 2372 if (ccb->csio.dxfer_len > 0) { 2373 int s, error; 2374 2375 s = splsoftvm(); 2376 error = bus_dmamap_load(/*dma tag*/sbp->dmat, 2377 /*dma map*/ocb->dmamap, 2378 ccb->csio.data_ptr, 2379 ccb->csio.dxfer_len, 2380 sbp_execute_ocb, 2381 ocb, 2382 /*flags*/0); 2383 splx(s); 2384 if (error) 2385 printf("sbp: bus_dmamap_load error %d\n", error); 2386 } else 2387 sbp_execute_ocb(ocb, NULL, 0, 0); 2388 break; 2389 } 2390 case XPT_CALC_GEOMETRY: 2391 { 2392 struct ccb_calc_geometry *ccg; 2393#if __FreeBSD_version < 501100 2394 u_int32_t size_mb; 2395 u_int32_t secs_per_cylinder; 2396 int extended = 1; 2397#endif 2398 2399 ccg = &ccb->ccg; 2400 if (ccg->block_size == 0) { 2401 printf("sbp_action1: block_size is 0.\n"); 2402 ccb->ccb_h.status = CAM_REQ_INVALID; 2403 xpt_done(ccb); 2404 break; 2405 } 2406SBP_DEBUG(1) 2407 printf("%s:%d:%d:%d:XPT_CALC_GEOMETRY: " 2408#if __FreeBSD_version >= 500000 2409 "Volume size = %jd\n", 2410#else 2411 "Volume size = %d\n", 2412#endif 2413 device_get_nameunit(sbp->fd.dev), 2414 cam_sim_path(sbp->sim), 2415 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2416#if __FreeBSD_version >= 500000 2417 (uintmax_t) 2418#endif 2419 ccg->volume_size); 2420END_DEBUG 2421 2422#if __FreeBSD_version < 501100 2423 size_mb = ccg->volume_size 2424 / ((1024L * 1024L) / ccg->block_size); 2425 2426 if (size_mb > 1024 && extended) { 2427 ccg->heads = 255; 2428 ccg->secs_per_track = 63; 2429 } else { 2430 ccg->heads = 64; 2431 ccg->secs_per_track = 32; 2432 } 2433 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 2434 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 2435 ccb->ccb_h.status = CAM_REQ_CMP; 2436#else 2437 cam_calc_geometry(ccg, /*extended*/1); 2438#endif 2439 xpt_done(ccb); 2440 break; 2441 } 2442 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 2443 { 2444 2445SBP_DEBUG(1) 2446 printf("%s:%d:XPT_RESET_BUS: \n", 2447 device_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim)); 2448END_DEBUG 2449 2450 ccb->ccb_h.status = CAM_REQ_INVALID; 2451 xpt_done(ccb); 2452 break; 2453 } 2454 case XPT_PATH_INQ: /* Path routing inquiry */ 2455 { 2456 struct ccb_pathinq *cpi = &ccb->cpi; 2457 2458SBP_DEBUG(1) 2459 printf("%s:%d:%d XPT_PATH_INQ:.\n", 2460 device_get_nameunit(sbp->fd.dev), 2461 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2462END_DEBUG 2463 cpi->version_num = 1; /* XXX??? */ 2464 cpi->hba_inquiry = PI_TAG_ABLE; 2465 cpi->target_sprt = 0; 2466 cpi->hba_misc = PIM_NOBUSRESET | PIM_NO_6_BYTE; 2467 cpi->hba_eng_cnt = 0; 2468 cpi->max_target = SBP_NUM_TARGETS - 1; 2469 cpi->max_lun = SBP_NUM_LUNS - 1; 2470 cpi->initiator_id = SBP_INITIATOR; 2471 cpi->bus_id = sim->bus_id; 2472 cpi->base_transfer_speed = 400 * 1000 / 8; 2473 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 2474 strncpy(cpi->hba_vid, "SBP", HBA_IDLEN); 2475 strncpy(cpi->dev_name, sim->sim_name, DEV_IDLEN); 2476 cpi->unit_number = sim->unit_number; 2477 2478 cpi->ccb_h.status = CAM_REQ_CMP; 2479 xpt_done(ccb); 2480 break; 2481 } 2482 case XPT_GET_TRAN_SETTINGS: 2483 { 2484 struct ccb_trans_settings *cts = &ccb->cts; 2485SBP_DEBUG(1) 2486 printf("%s:%d:%d XPT_GET_TRAN_SETTINGS:.\n", 2487 device_get_nameunit(sbp->fd.dev), 2488 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2489END_DEBUG 2490 /* Enable disconnect and tagged queuing */ 2491 cts->valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID; 2492 cts->flags = CCB_TRANS_DISC_ENB | CCB_TRANS_TAG_ENB; 2493 2494 cts->ccb_h.status = CAM_REQ_CMP; 2495 xpt_done(ccb); 2496 break; 2497 } 2498 case XPT_ABORT: 2499 ccb->ccb_h.status = CAM_UA_ABORT; 2500 xpt_done(ccb); 2501 break; 2502 case XPT_SET_TRAN_SETTINGS: 2503 /* XXX */ 2504 default: 2505 ccb->ccb_h.status = CAM_REQ_INVALID; 2506 xpt_done(ccb); 2507 break; 2508 } 2509 return; 2510} 2511 2512static void 2513sbp_action(struct cam_sim *sim, union ccb *ccb) 2514{ 2515 int s; 2516 2517 s = splfw(); 2518 sbp_action1(sim, ccb); 2519 splx(s); 2520} 2521 2522static void 2523sbp_execute_ocb(void *arg, bus_dma_segment_t *segments, int seg, int error) 2524{ 2525 int i; 2526 struct sbp_ocb *ocb; 2527 struct sbp_ocb *prev; 2528 bus_dma_segment_t *s; 2529 2530 if (error) 2531 printf("sbp_execute_ocb: error=%d\n", error); 2532 2533 ocb = (struct sbp_ocb *)arg; 2534 2535SBP_DEBUG(2) 2536 printf("sbp_execute_ocb: seg %d", seg); 2537 for (i = 0; i < seg; i++) 2538#if __FreeBSD_version >= 500000 2539 printf(", %jx:%jd", (uintmax_t)segments[i].ds_addr, 2540 (uintmax_t)segments[i].ds_len); 2541#else 2542 printf(", %x:%d", segments[i].ds_addr, segments[i].ds_len); 2543#endif 2544 printf("\n"); 2545END_DEBUG 2546 2547 if (seg == 1) { 2548 /* direct pointer */ 2549 s = &segments[0]; 2550 if (s->ds_len > SBP_SEG_MAX) 2551 panic("ds_len > SBP_SEG_MAX, fix busdma code"); 2552 ocb->orb[3] = htonl(s->ds_addr); 2553 ocb->orb[4] |= htonl(s->ds_len); 2554 } else if(seg > 1) { 2555 /* page table */ 2556 for (i = 0; i < seg; i++) { 2557 s = &segments[i]; 2558SBP_DEBUG(0) 2559 /* XXX LSI Logic "< 16 byte" bug might be hit */ 2560 if (s->ds_len < 16) 2561 printf("sbp_execute_ocb: warning, " 2562#if __FreeBSD_version >= 500000 2563 "segment length(%zd) is less than 16." 2564#else 2565 "segment length(%d) is less than 16." 2566#endif 2567 "(seg=%d/%d)\n", s->ds_len, i+1, seg); 2568END_DEBUG 2569 if (s->ds_len > SBP_SEG_MAX) 2570 panic("ds_len > SBP_SEG_MAX, fix busdma code"); 2571 ocb->ind_ptr[i].hi = htonl(s->ds_len << 16); 2572 ocb->ind_ptr[i].lo = htonl(s->ds_addr); 2573 } 2574 ocb->orb[4] |= htonl(ORB_CMD_PTBL | seg); 2575 } 2576 2577 if (seg > 0) 2578 bus_dmamap_sync(ocb->sdev->target->sbp->dmat, ocb->dmamap, 2579 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2580 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE); 2581 prev = sbp_enqueue_ocb(ocb->sdev, ocb); 2582 fwdma_sync(&ocb->sdev->dma, BUS_DMASYNC_PREWRITE); 2583 if (prev == NULL || (ocb->sdev->flags & ORB_LINK_DEAD) != 0) { 2584 ocb->sdev->flags &= ~ORB_LINK_DEAD; 2585 sbp_orb_pointer(ocb->sdev, ocb); 2586 } 2587} 2588 2589static void 2590sbp_poll(struct cam_sim *sim) 2591{ 2592 struct sbp_softc *sbp; 2593 struct firewire_comm *fc; 2594 2595 sbp = (struct sbp_softc *)sim->softc; 2596 fc = sbp->fd.fc; 2597 2598 fc->poll(fc, 0, -1); 2599 2600 return; 2601} 2602 2603static struct sbp_ocb * 2604sbp_dequeue_ocb(struct sbp_dev *sdev, struct sbp_status *sbp_status) 2605{ 2606 struct sbp_ocb *ocb; 2607 struct sbp_ocb *next; 2608 int s = splfw(), order = 0; 2609 int flags; 2610 2611SBP_DEBUG(1) 2612 sbp_show_sdev_info(sdev, 2); 2613#if __FreeBSD_version >= 500000 2614 printf("%s: 0x%08x src %d\n", 2615#else 2616 printf("%s: 0x%08lx src %d\n", 2617#endif 2618 __FUNCTION__, ntohl(sbp_status->orb_lo), sbp_status->src); 2619END_DEBUG 2620 for (ocb = STAILQ_FIRST(&sdev->ocbs); ocb != NULL; ocb = next) { 2621 next = STAILQ_NEXT(ocb, ocb); 2622 flags = ocb->flags; 2623 if (OCB_MATCH(ocb, sbp_status)) { 2624 /* found */ 2625 STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb); 2626 if (ocb->ccb != NULL) 2627 untimeout(sbp_timeout, (caddr_t)ocb, 2628 ocb->ccb->ccb_h.timeout_ch); 2629 if (ntohl(ocb->orb[4]) & 0xffff) { 2630 bus_dmamap_sync(sdev->target->sbp->dmat, 2631 ocb->dmamap, 2632 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2633 BUS_DMASYNC_POSTREAD : 2634 BUS_DMASYNC_POSTWRITE); 2635 bus_dmamap_unload(sdev->target->sbp->dmat, 2636 ocb->dmamap); 2637 } 2638 if (sbp_status->src == SRC_NO_NEXT) { 2639 if (next != NULL) 2640 sbp_orb_pointer(sdev, next); 2641 else if (order > 0) { 2642 /* 2643 * Unordered execution 2644 * We need to send pointer for 2645 * next ORB 2646 */ 2647 sdev->flags |= ORB_LINK_DEAD; 2648 } 2649 } 2650 break; 2651 } else 2652 order ++; 2653 } 2654 splx(s); 2655SBP_DEBUG(0) 2656 if (ocb && order > 0) { 2657 sbp_show_sdev_info(sdev, 2); 2658 printf("unordered execution order:%d\n", order); 2659 } 2660END_DEBUG 2661 return (ocb); 2662} 2663 2664static struct sbp_ocb * 2665sbp_enqueue_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 2666{ 2667 int s = splfw(); 2668 struct sbp_ocb *prev; 2669 2670SBP_DEBUG(1) 2671 sbp_show_sdev_info(sdev, 2); 2672#if __FreeBSD_version >= 500000 2673 printf("%s: 0x%08jx\n", __FUNCTION__, (uintmax_t)ocb->bus_addr); 2674#else 2675 printf("%s: 0x%08x\n", __FUNCTION__, ocb->bus_addr); 2676#endif 2677END_DEBUG 2678 prev = STAILQ_LAST(&sdev->ocbs, sbp_ocb, ocb); 2679 STAILQ_INSERT_TAIL(&sdev->ocbs, ocb, ocb); 2680 2681 if (ocb->ccb != NULL) 2682 ocb->ccb->ccb_h.timeout_ch = timeout(sbp_timeout, (caddr_t)ocb, 2683 (ocb->ccb->ccb_h.timeout * hz) / 1000); 2684 2685 if (prev != NULL) { 2686SBP_DEBUG(2) 2687#if __FreeBSD_version >= 500000 2688 printf("linking chain 0x%jx -> 0x%jx\n", 2689 (uintmax_t)prev->bus_addr, (uintmax_t)ocb->bus_addr); 2690#else 2691 printf("linking chain 0x%x -> 0x%x\n", 2692 prev->bus_addr, ocb->bus_addr); 2693#endif 2694END_DEBUG 2695 prev->orb[1] = htonl(ocb->bus_addr); 2696 prev->orb[0] = 0; 2697 } 2698 splx(s); 2699 2700 return prev; 2701} 2702 2703static struct sbp_ocb * 2704sbp_get_ocb(struct sbp_dev *sdev) 2705{ 2706 struct sbp_ocb *ocb; 2707 int s = splfw(); 2708 ocb = STAILQ_FIRST(&sdev->free_ocbs); 2709 if (ocb == NULL) { 2710 printf("ocb shortage!!!\n"); 2711 return NULL; 2712 } 2713 STAILQ_REMOVE_HEAD(&sdev->free_ocbs, ocb); 2714 splx(s); 2715 ocb->ccb = NULL; 2716 return (ocb); 2717} 2718 2719static void 2720sbp_free_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 2721{ 2722 ocb->flags = 0; 2723 ocb->ccb = NULL; 2724 STAILQ_INSERT_TAIL(&sdev->free_ocbs, ocb, ocb); 2725} 2726 2727static void 2728sbp_abort_ocb(struct sbp_ocb *ocb, int status) 2729{ 2730 struct sbp_dev *sdev; 2731 2732 sdev = ocb->sdev; 2733SBP_DEBUG(0) 2734 sbp_show_sdev_info(sdev, 2); 2735#if __FreeBSD_version >= 500000 2736 printf("sbp_abort_ocb 0x%jx\n", (uintmax_t)ocb->bus_addr); 2737#else 2738 printf("sbp_abort_ocb 0x%x\n", ocb->bus_addr); 2739#endif 2740END_DEBUG 2741SBP_DEBUG(1) 2742 if (ocb->ccb != NULL) 2743 sbp_print_scsi_cmd(ocb); 2744END_DEBUG 2745 if (ntohl(ocb->orb[4]) & 0xffff) { 2746 bus_dmamap_sync(sdev->target->sbp->dmat, ocb->dmamap, 2747 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2748 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 2749 bus_dmamap_unload(sdev->target->sbp->dmat, ocb->dmamap); 2750 } 2751 if (ocb->ccb != NULL) { 2752 untimeout(sbp_timeout, (caddr_t)ocb, 2753 ocb->ccb->ccb_h.timeout_ch); 2754 ocb->ccb->ccb_h.status = status; 2755 xpt_done(ocb->ccb); 2756 } 2757 sbp_free_ocb(sdev, ocb); 2758} 2759 2760static void 2761sbp_abort_all_ocbs(struct sbp_dev *sdev, int status) 2762{ 2763 int s; 2764 struct sbp_ocb *ocb, *next; 2765 STAILQ_HEAD(, sbp_ocb) temp; 2766 2767 s = splfw(); 2768 2769 bcopy(&sdev->ocbs, &temp, sizeof(temp)); 2770 STAILQ_INIT(&sdev->ocbs); 2771 for (ocb = STAILQ_FIRST(&temp); ocb != NULL; ocb = next) { 2772 next = STAILQ_NEXT(ocb, ocb); 2773 sbp_abort_ocb(ocb, status); 2774 } 2775 2776 splx(s); 2777} 2778 2779static devclass_t sbp_devclass; 2780 2781static device_method_t sbp_methods[] = { 2782 /* device interface */ 2783 DEVMETHOD(device_identify, sbp_identify), 2784 DEVMETHOD(device_probe, sbp_probe), 2785 DEVMETHOD(device_attach, sbp_attach), 2786 DEVMETHOD(device_detach, sbp_detach), 2787 DEVMETHOD(device_shutdown, sbp_shutdown), 2788 2789 { 0, 0 } 2790}; 2791 2792static driver_t sbp_driver = { 2793 "sbp", 2794 sbp_methods, 2795 sizeof(struct sbp_softc), 2796}; 2797DRIVER_MODULE(sbp, firewire, sbp_driver, sbp_devclass, 0, 0); 2798MODULE_VERSION(sbp, 1); 2799MODULE_DEPEND(sbp, firewire, 1, 1, 1); 2800MODULE_DEPEND(sbp, cam, 1, 1, 1); 2801