Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/firewire/sbp.c
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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 * $FreeBSD$ 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 7 119 120 static char *orb_fun_name[] = { 121 ORB_FUN_NAMES 122 }; 123 124 static int debug = 0; 125 static int auto_login = 1; 126 static int max_speed = -1; 127 static int sbp_cold = 1; 128 static int ex_login = 1; 129 static int login_delay = 1000; /* msec */ 130 static int scan_delay = 500; /* msec */ 131 static int use_doorbell = 0; 132 static int sbp_tags = 0; 133 134 SYSCTL_DECL(_hw_firewire); 135 SYSCTL_NODE(_hw_firewire, OID_AUTO, sbp, CTLFLAG_RD, 0, "SBP-II Subsystem"); 136 SYSCTL_INT(_debug, OID_AUTO, sbp_debug, CTLFLAG_RW, &debug, 0, 137 "SBP debug flag"); 138 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, auto_login, CTLFLAG_RW, &auto_login, 0, 139 "SBP perform login automatically"); 140 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, max_speed, CTLFLAG_RW, &max_speed, 0, 141 "SBP transfer max speed"); 142 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, exclusive_login, CTLFLAG_RW, 143 &ex_login, 0, "SBP enable exclusive login"); 144 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, login_delay, CTLFLAG_RW, 145 &login_delay, 0, "SBP login delay in msec"); 146 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, scan_delay, CTLFLAG_RW, 147 &scan_delay, 0, "SBP scan delay in msec"); 148 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, use_doorbell, CTLFLAG_RW, 149 &use_doorbell, 0, "SBP use doorbell request"); 150 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, tags, CTLFLAG_RW, &sbp_tags, 0, 151 "SBP tagged queuing support"); 152 153 TUNABLE_INT("hw.firewire.sbp.auto_login", &auto_login); 154 TUNABLE_INT("hw.firewire.sbp.max_speed", &max_speed); 155 TUNABLE_INT("hw.firewire.sbp.exclusive_login", &ex_login); 156 TUNABLE_INT("hw.firewire.sbp.login_delay", &login_delay); 157 TUNABLE_INT("hw.firewire.sbp.scan_delay", &scan_delay); 158 TUNABLE_INT("hw.firewire.sbp.use_doorbell", &use_doorbell); 159 TUNABLE_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 169 struct 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)) 184 185 struct 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 }; 222 223 struct 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 }; 237 238 struct 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 }; 249 250 static void sbp_post_explore (void *); 251 static void sbp_recv (struct fw_xfer *); 252 static void sbp_mgm_callback (struct fw_xfer *); 253 #if 0 254 static void sbp_cmd_callback (struct fw_xfer *); 255 #endif 256 static void sbp_orb_pointer (struct sbp_dev *, struct sbp_ocb *); 257 static void sbp_doorbell(struct sbp_dev *); 258 static void sbp_execute_ocb (void *, bus_dma_segment_t *, int, int); 259 static void sbp_free_ocb (struct sbp_dev *, struct sbp_ocb *); 260 static void sbp_abort_ocb (struct sbp_ocb *, int); 261 static void sbp_abort_all_ocbs (struct sbp_dev *, int); 262 static struct fw_xfer * sbp_write_cmd (struct sbp_dev *, int, int); 263 static struct sbp_ocb * sbp_get_ocb (struct sbp_dev *); 264 static struct sbp_ocb * sbp_enqueue_ocb (struct sbp_dev *, struct sbp_ocb *); 265 static struct sbp_ocb * sbp_dequeue_ocb (struct sbp_dev *, struct sbp_status *); 266 static void sbp_cam_detach_sdev(struct sbp_dev *); 267 static void sbp_free_sdev(struct sbp_dev *); 268 static void sbp_cam_detach_target (struct sbp_target *); 269 static void sbp_free_target (struct sbp_target *); 270 static void sbp_mgm_timeout (void *arg); 271 static void sbp_timeout (void *arg); 272 static void sbp_mgm_orb (struct sbp_dev *, int, struct sbp_ocb *); 273 274 MALLOC_DEFINE(M_SBP, "sbp", "SBP-II/FireWire"); 275 276 /* cam related functions */ 277 static void sbp_action(struct cam_sim *sim, union ccb *ccb); 278 static void sbp_poll(struct cam_sim *sim); 279 static void sbp_cam_scan_lun(struct cam_periph *, union ccb *); 280 static void sbp_cam_scan_target(void *arg); 281 282 static char *orb_status0[] = { 283 /* 0 */ "No additional information to report", 284 /* 1 */ "Request type not supported", 285 /* 2 */ "Speed not supported", 286 /* 3 */ "Page size not supported", 287 /* 4 */ "Access denied", 288 /* 5 */ "Logical unit not supported", 289 /* 6 */ "Maximum payload too small", 290 /* 7 */ "Reserved for future standardization", 291 /* 8 */ "Resources unavailable", 292 /* 9 */ "Function rejected", 293 /* A */ "Login ID not recognized", 294 /* B */ "Dummy ORB completed", 295 /* C */ "Request aborted", 296 /* FF */ "Unspecified error" 297 #define MAX_ORB_STATUS0 0xd 298 }; 299 300 static char *orb_status1_object[] = { 301 /* 0 */ "Operation request block (ORB)", 302 /* 1 */ "Data buffer", 303 /* 2 */ "Page table", 304 /* 3 */ "Unable to specify" 305 }; 306 307 static char *orb_status1_serial_bus_error[] = { 308 /* 0 */ "Missing acknowledge", 309 /* 1 */ "Reserved; not to be used", 310 /* 2 */ "Time-out error", 311 /* 3 */ "Reserved; not to be used", 312 /* 4 */ "Busy retry limit exceeded(X)", 313 /* 5 */ "Busy retry limit exceeded(A)", 314 /* 6 */ "Busy retry limit exceeded(B)", 315 /* 7 */ "Reserved for future standardization", 316 /* 8 */ "Reserved for future standardization", 317 /* 9 */ "Reserved for future standardization", 318 /* A */ "Reserved for future standardization", 319 /* B */ "Tardy retry limit exceeded", 320 /* C */ "Conflict error", 321 /* D */ "Data error", 322 /* E */ "Type error", 323 /* F */ "Address error" 324 }; 325 326 static void 327 sbp_identify(driver_t *driver, device_t parent) 328 { 329 device_t child; 330 SBP_DEBUG(0) 331 printf("sbp_identify\n"); 332 END_DEBUG 333 334 child = BUS_ADD_CHILD(parent, 0, "sbp", device_get_unit(parent)); 335 } 336 337 /* 338 * sbp_probe() 339 */ 340 static int 341 sbp_probe(device_t dev) 342 { 343 device_t pa; 344 345 SBP_DEBUG(0) 346 printf("sbp_probe\n"); 347 END_DEBUG 348 349 pa = device_get_parent(dev); 350 if(device_get_unit(dev) != device_get_unit(pa)){ 351 return(ENXIO); 352 } 353 354 device_set_desc(dev, "SBP-2/SCSI over FireWire"); 355 356 #if 0 357 if (bootverbose) 358 debug = bootverbose; 359 #endif 360 361 return (0); 362 } 363 364 static void 365 sbp_show_sdev_info(struct sbp_dev *sdev, int new) 366 { 367 struct fw_device *fwdev; 368 369 printf("%s:%d:%d ", 370 device_get_nameunit(sdev->target->sbp->fd.dev), 371 sdev->target->target_id, 372 sdev->lun_id 373 ); 374 if (new == 2) { 375 return; 376 } 377 fwdev = sdev->target->fwdev; 378 printf("ordered:%d type:%d EUI:%08x%08x node:%d " 379 "speed:%d maxrec:%d", 380 (sdev->type & 0x40) >> 6, 381 (sdev->type & 0x1f), 382 fwdev->eui.hi, 383 fwdev->eui.lo, 384 fwdev->dst, 385 fwdev->speed, 386 fwdev->maxrec 387 ); 388 if (new) 389 printf(" new!\n"); 390 else 391 printf("\n"); 392 sbp_show_sdev_info(sdev, 2); 393 printf("'%s' '%s' '%s'\n", sdev->vendor, sdev->product, sdev->revision); 394 } 395 396 static struct { 397 int bus; 398 int target; 399 struct fw_eui64 eui; 400 } wired[] = { 401 /* Bus Target EUI64 */ 402 #if 0 403 {0, 2, {0x00018ea0, 0x01fd0154}}, /* Logitec HDD */ 404 {0, 0, {0x00018ea6, 0x00100682}}, /* Logitec DVD */ 405 {0, 1, {0x00d03200, 0xa412006a}}, /* Yano HDD */ 406 #endif 407 {-1, -1, {0,0}} 408 }; 409 410 static int 411 sbp_new_target(struct sbp_softc *sbp, struct fw_device *fwdev) 412 { 413 int bus, i, target=-1; 414 char w[SBP_NUM_TARGETS]; 415 416 bzero(w, sizeof(w)); 417 bus = device_get_unit(sbp->fd.dev); 418 419 /* XXX wired-down configuration should be gotten from 420 tunable or device hint */ 421 for (i = 0; wired[i].bus >= 0; i ++) { 422 if (wired[i].bus == bus) { 423 w[wired[i].target] = 1; 424 if (wired[i].eui.hi == fwdev->eui.hi && 425 wired[i].eui.lo == fwdev->eui.lo) 426 target = wired[i].target; 427 } 428 } 429 if (target >= 0) { 430 if(target < SBP_NUM_TARGETS && 431 sbp->targets[target].fwdev == NULL) 432 return(target); 433 device_printf(sbp->fd.dev, 434 "target %d is not free for %08x:%08x\n", 435 target, fwdev->eui.hi, fwdev->eui.lo); 436 target = -1; 437 } 438 /* non-wired target */ 439 for (i = 0; i < SBP_NUM_TARGETS; i ++) 440 if (sbp->targets[i].fwdev == NULL && w[i] == 0) { 441 target = i; 442 break; 443 } 444 445 return target; 446 } 447 448 static void 449 sbp_alloc_lun(struct sbp_target *target) 450 { 451 struct crom_context cc; 452 struct csrreg *reg; 453 struct sbp_dev *sdev, **newluns; 454 struct sbp_softc *sbp; 455 int maxlun, lun, i; 456 457 sbp = target->sbp; 458 crom_init_context(&cc, target->fwdev->csrrom); 459 /* XXX shoud parse appropriate unit directories only */ 460 maxlun = -1; 461 while (cc.depth >= 0) { 462 reg = crom_search_key(&cc, CROM_LUN); 463 if (reg == NULL) 464 break; 465 lun = reg->val & 0xffff; 466 SBP_DEBUG(0) 467 printf("target %d lun %d found\n", target->target_id, lun); 468 END_DEBUG 469 if (maxlun < lun) 470 maxlun = lun; 471 crom_next(&cc); 472 } 473 if (maxlun < 0) 474 printf("%s:%d no LUN found\n", 475 device_get_nameunit(target->sbp->fd.dev), 476 target->target_id); 477 478 maxlun ++; 479 if (maxlun >= SBP_NUM_LUNS) 480 maxlun = SBP_NUM_LUNS; 481 482 /* Invalidiate stale devices */ 483 for (lun = 0; lun < target->num_lun; lun ++) { 484 sdev = target->luns[lun]; 485 if (sdev == NULL) 486 continue; 487 sdev->flags &= ~VALID_LUN; 488 if (lun >= maxlun) { 489 /* lost device */ 490 sbp_cam_detach_sdev(sdev); 491 sbp_free_sdev(sdev); 492 } 493 } 494 495 /* Reallocate */ 496 if (maxlun != target->num_lun) { 497 newluns = (struct sbp_dev **) realloc(target->luns, 498 sizeof(struct sbp_dev *) * maxlun, 499 M_SBP, M_NOWAIT | M_ZERO); 500 501 if (newluns == NULL) { 502 printf("%s: realloc failed\n", __func__); 503 newluns = target->luns; 504 maxlun = target->num_lun; 505 } 506 507 /* 508 * We must zero the extended region for the case 509 * realloc() doesn't allocate new buffer. 510 */ 511 if (maxlun > target->num_lun) 512 bzero(&newluns[target->num_lun], 513 sizeof(struct sbp_dev *) * 514 (maxlun - target->num_lun)); 515 516 target->luns = newluns; 517 target->num_lun = maxlun; 518 } 519 520 crom_init_context(&cc, target->fwdev->csrrom); 521 while (cc.depth >= 0) { 522 int new = 0; 523 524 reg = crom_search_key(&cc, CROM_LUN); 525 if (reg == NULL) 526 break; 527 lun = reg->val & 0xffff; 528 if (lun >= SBP_NUM_LUNS) { 529 printf("too large lun %d\n", lun); 530 goto next; 531 } 532 533 sdev = target->luns[lun]; 534 if (sdev == NULL) { 535 sdev = malloc(sizeof(struct sbp_dev), 536 M_SBP, M_NOWAIT | M_ZERO); 537 if (sdev == NULL) { 538 printf("%s: malloc failed\n", __func__); 539 goto next; 540 } 541 target->luns[lun] = sdev; 542 sdev->lun_id = lun; 543 sdev->target = target; 544 STAILQ_INIT(&sdev->ocbs); 545 CALLOUT_INIT(&sdev->login_callout); 546 sdev->status = SBP_DEV_RESET; 547 new = 1; 548 } 549 sdev->flags |= VALID_LUN; 550 sdev->type = (reg->val & 0xff0000) >> 16; 551 552 if (new == 0) 553 goto next; 554 555 fwdma_malloc(sbp->fd.fc, 556 /* alignment */ sizeof(uint32_t), 557 SBP_DMA_SIZE, &sdev->dma, BUS_DMA_NOWAIT); 558 if (sdev->dma.v_addr == NULL) { 559 printf("%s: dma space allocation failed\n", 560 __func__); 561 free(sdev, M_SBP); 562 target->luns[lun] = NULL; 563 goto next; 564 } 565 sdev->login = (struct sbp_login_res *) sdev->dma.v_addr; 566 sdev->ocb = (struct sbp_ocb *) 567 ((char *)sdev->dma.v_addr + SBP_LOGIN_SIZE); 568 bzero((char *)sdev->ocb, 569 sizeof (struct sbp_ocb) * SBP_QUEUE_LEN); 570 571 STAILQ_INIT(&sdev->free_ocbs); 572 for (i = 0; i < SBP_QUEUE_LEN; i++) { 573 struct sbp_ocb *ocb; 574 ocb = &sdev->ocb[i]; 575 ocb->bus_addr = sdev->dma.bus_addr 576 + SBP_LOGIN_SIZE 577 + sizeof(struct sbp_ocb) * i 578 + offsetof(struct sbp_ocb, orb[0]); 579 if (bus_dmamap_create(sbp->dmat, 0, &ocb->dmamap)) { 580 printf("sbp_attach: cannot create dmamap\n"); 581 /* XXX */ 582 goto next; 583 } 584 sbp_free_ocb(sdev, ocb); 585 } 586 next: 587 crom_next(&cc); 588 } 589 590 for (lun = 0; lun < target->num_lun; lun ++) { 591 sdev = target->luns[lun]; 592 if (sdev != NULL && (sdev->flags & VALID_LUN) == 0) { 593 sbp_cam_detach_sdev(sdev); 594 sbp_free_sdev(sdev); 595 target->luns[lun] = NULL; 596 } 597 } 598 } 599 600 static struct sbp_target * 601 sbp_alloc_target(struct sbp_softc *sbp, struct fw_device *fwdev) 602 { 603 int i; 604 struct sbp_target *target; 605 struct crom_context cc; 606 struct csrreg *reg; 607 608 SBP_DEBUG(1) 609 printf("sbp_alloc_target\n"); 610 END_DEBUG 611 i = sbp_new_target(sbp, fwdev); 612 if (i < 0) { 613 device_printf(sbp->fd.dev, "increase SBP_NUM_TARGETS!\n"); 614 return NULL; 615 } 616 /* new target */ 617 target = &sbp->targets[i]; 618 target->sbp = sbp; 619 target->fwdev = fwdev; 620 target->target_id = i; 621 /* XXX we may want to reload mgm port after each bus reset */ 622 /* XXX there might be multiple management agents */ 623 crom_init_context(&cc, target->fwdev->csrrom); 624 reg = crom_search_key(&cc, CROM_MGM); 625 if (reg == NULL || reg->val == 0) { 626 printf("NULL management address\n"); 627 target->fwdev = NULL; 628 return NULL; 629 } 630 target->mgm_hi = 0xffff; 631 target->mgm_lo = 0xf0000000 | (reg->val << 2); 632 target->mgm_ocb_cur = NULL; 633 SBP_DEBUG(1) 634 printf("target:%d mgm_port: %x\n", i, target->mgm_lo); 635 END_DEBUG 636 STAILQ_INIT(&target->xferlist); 637 target->n_xfer = 0; 638 STAILQ_INIT(&target->mgm_ocb_queue); 639 CALLOUT_INIT(&target->mgm_ocb_timeout); 640 CALLOUT_INIT(&target->scan_callout); 641 642 target->luns = NULL; 643 target->num_lun = 0; 644 return target; 645 } 646 647 static void 648 sbp_probe_lun(struct sbp_dev *sdev) 649 { 650 struct fw_device *fwdev; 651 struct crom_context c, *cc = &c; 652 struct csrreg *reg; 653 654 bzero(sdev->vendor, sizeof(sdev->vendor)); 655 bzero(sdev->product, sizeof(sdev->product)); 656 657 fwdev = sdev->target->fwdev; 658 crom_init_context(cc, fwdev->csrrom); 659 /* get vendor string */ 660 crom_search_key(cc, CSRKEY_VENDOR); 661 crom_next(cc); 662 crom_parse_text(cc, sdev->vendor, sizeof(sdev->vendor)); 663 /* skip to the unit directory for SBP-2 */ 664 while ((reg = crom_search_key(cc, CSRKEY_VER)) != NULL) { 665 if (reg->val == CSRVAL_T10SBP2) 666 break; 667 crom_next(cc); 668 } 669 /* get firmware revision */ 670 reg = crom_search_key(cc, CSRKEY_FIRM_VER); 671 if (reg != NULL) 672 snprintf(sdev->revision, sizeof(sdev->revision), 673 "%06x", reg->val); 674 /* get product string */ 675 crom_search_key(cc, CSRKEY_MODEL); 676 crom_next(cc); 677 crom_parse_text(cc, sdev->product, sizeof(sdev->product)); 678 } 679 680 static void 681 sbp_login_callout(void *arg) 682 { 683 struct sbp_dev *sdev = (struct sbp_dev *)arg; 684 sbp_mgm_orb(sdev, ORB_FUN_LGI, NULL); 685 } 686 687 static void 688 sbp_login(struct sbp_dev *sdev) 689 { 690 struct timeval delta; 691 struct timeval t; 692 int ticks = 0; 693 694 microtime(&delta); 695 timevalsub(&delta, &sdev->target->sbp->last_busreset); 696 t.tv_sec = login_delay / 1000; 697 t.tv_usec = (login_delay % 1000) * 1000; 698 timevalsub(&t, &delta); 699 if (t.tv_sec >= 0 && t.tv_usec > 0) 700 ticks = (t.tv_sec * 1000 + t.tv_usec / 1000) * hz / 1000; 701 SBP_DEBUG(0) 702 printf("%s: sec = %ld usec = %ld ticks = %d\n", __func__, 703 t.tv_sec, t.tv_usec, ticks); 704 END_DEBUG 705 callout_reset(&sdev->login_callout, ticks, 706 sbp_login_callout, (void *)(sdev)); 707 } 708 709 #define SBP_FWDEV_ALIVE(fwdev) (((fwdev)->status == FWDEVATTACHED) \ 710 && crom_has_specver((fwdev)->csrrom, CSRVAL_ANSIT10, CSRVAL_T10SBP2)) 711 712 static void 713 sbp_probe_target(void *arg) 714 { 715 struct sbp_target *target = (struct sbp_target *)arg; 716 struct sbp_softc *sbp; 717 struct sbp_dev *sdev; 718 struct firewire_comm *fc; 719 int i, alive; 720 721 alive = SBP_FWDEV_ALIVE(target->fwdev); 722 SBP_DEBUG(1) 723 printf("sbp_probe_target %d\n", target->target_id); 724 if (!alive) 725 printf("not alive\n"); 726 END_DEBUG 727 728 sbp = target->sbp; 729 fc = target->sbp->fd.fc; 730 sbp_alloc_lun(target); 731 732 /* XXX untimeout mgm_ocb and dequeue */ 733 for (i=0; i < target->num_lun; i++) { 734 sdev = target->luns[i]; 735 if (sdev == NULL) 736 continue; 737 if (alive && (sdev->status != SBP_DEV_DEAD)) { 738 if (sdev->path != NULL) { 739 xpt_freeze_devq(sdev->path, 1); 740 sdev->freeze ++; 741 } 742 sbp_probe_lun(sdev); 743 SBP_DEBUG(0) 744 sbp_show_sdev_info(sdev, 745 (sdev->status == SBP_DEV_RESET)); 746 END_DEBUG 747 748 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET); 749 switch (sdev->status) { 750 case SBP_DEV_RESET: 751 /* new or revived target */ 752 if (auto_login) 753 sbp_login(sdev); 754 break; 755 case SBP_DEV_TOATTACH: 756 case SBP_DEV_PROBE: 757 case SBP_DEV_ATTACHED: 758 case SBP_DEV_RETRY: 759 default: 760 sbp_mgm_orb(sdev, ORB_FUN_RCN, NULL); 761 break; 762 } 763 } else { 764 switch (sdev->status) { 765 case SBP_DEV_ATTACHED: 766 SBP_DEBUG(0) 767 /* the device has gone */ 768 sbp_show_sdev_info(sdev, 2); 769 printf("lost target\n"); 770 END_DEBUG 771 if (sdev->path) { 772 xpt_freeze_devq(sdev->path, 1); 773 sdev->freeze ++; 774 } 775 sdev->status = SBP_DEV_RETRY; 776 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET); 777 break; 778 case SBP_DEV_PROBE: 779 case SBP_DEV_TOATTACH: 780 sdev->status = SBP_DEV_RESET; 781 break; 782 case SBP_DEV_RETRY: 783 case SBP_DEV_RESET: 784 case SBP_DEV_DEAD: 785 break; 786 } 787 } 788 } 789 } 790 791 static void 792 sbp_post_busreset(void *arg) 793 { 794 struct sbp_softc *sbp; 795 796 sbp = (struct sbp_softc *)arg; 797 SBP_DEBUG(0) 798 printf("sbp_post_busreset\n"); 799 END_DEBUG 800 if ((sbp->sim->flags & SIMQ_FREEZED) == 0) { 801 xpt_freeze_simq(sbp->sim, /*count*/1); 802 sbp->sim->flags |= SIMQ_FREEZED; 803 } 804 microtime(&sbp->last_busreset); 805 } 806 807 static void 808 sbp_post_explore(void *arg) 809 { 810 struct sbp_softc *sbp = (struct sbp_softc *)arg; 811 struct sbp_target *target; 812 struct fw_device *fwdev; 813 int i, alive; 814 815 SBP_DEBUG(0) 816 printf("sbp_post_explore (sbp_cold=%d)\n", sbp_cold); 817 END_DEBUG 818 if (sbp_cold > 0) 819 sbp_cold --; 820 821 #if 0 822 /* 823 * XXX don't let CAM the bus rest. 824 * CAM tries to do something with freezed (DEV_RETRY) devices. 825 */ 826 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL); 827 #endif 828 829 /* Garbage Collection */ 830 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){ 831 target = &sbp->targets[i]; 832 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) 833 if (target->fwdev == NULL || target->fwdev == fwdev) 834 break; 835 if (fwdev == NULL) { 836 /* device has removed in lower driver */ 837 sbp_cam_detach_target(target); 838 sbp_free_target(target); 839 } 840 } 841 /* traverse device list */ 842 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) { 843 SBP_DEBUG(0) 844 printf("sbp_post_explore: EUI:%08x%08x ", 845 fwdev->eui.hi, fwdev->eui.lo); 846 if (fwdev->status != FWDEVATTACHED) 847 printf("not attached, state=%d.\n", fwdev->status); 848 else 849 printf("attached\n"); 850 END_DEBUG 851 alive = SBP_FWDEV_ALIVE(fwdev); 852 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){ 853 target = &sbp->targets[i]; 854 if(target->fwdev == fwdev ) { 855 /* known target */ 856 break; 857 } 858 } 859 if(i == SBP_NUM_TARGETS){ 860 if (alive) { 861 /* new target */ 862 target = sbp_alloc_target(sbp, fwdev); 863 if (target == NULL) 864 continue; 865 } else { 866 continue; 867 } 868 } 869 sbp_probe_target((void *)target); 870 if (target->num_lun == 0) 871 sbp_free_target(target); 872 } 873 xpt_release_simq(sbp->sim, /*run queue*/TRUE); 874 sbp->sim->flags &= ~SIMQ_FREEZED; 875 } 876 877 #if NEED_RESPONSE 878 static void 879 sbp_loginres_callback(struct fw_xfer *xfer){ 880 int s; 881 struct sbp_dev *sdev; 882 sdev = (struct sbp_dev *)xfer->sc; 883 SBP_DEBUG(1) 884 sbp_show_sdev_info(sdev, 2); 885 printf("sbp_loginres_callback\n"); 886 END_DEBUG 887 /* recycle */ 888 s = splfw(); 889 STAILQ_INSERT_TAIL(&sdev->target->sbp->fwb.xferlist, xfer, link); 890 splx(s); 891 return; 892 } 893 #endif 894 895 static __inline void 896 sbp_xfer_free(struct fw_xfer *xfer) 897 { 898 struct sbp_dev *sdev; 899 int s; 900 901 sdev = (struct sbp_dev *)xfer->sc; 902 fw_xfer_unload(xfer); 903 s = splfw(); 904 STAILQ_INSERT_TAIL(&sdev->target->xferlist, xfer, link); 905 splx(s); 906 } 907 908 static void 909 sbp_reset_start_callback(struct fw_xfer *xfer) 910 { 911 struct sbp_dev *tsdev, *sdev = (struct sbp_dev *)xfer->sc; 912 struct sbp_target *target = sdev->target; 913 int i; 914 915 if (xfer->resp != 0) { 916 sbp_show_sdev_info(sdev, 2); 917 printf("sbp_reset_start failed: resp=%d\n", xfer->resp); 918 } 919 920 for (i = 0; i < target->num_lun; i++) { 921 tsdev = target->luns[i]; 922 if (tsdev != NULL && tsdev->status == SBP_DEV_LOGIN) 923 sbp_login(tsdev); 924 } 925 } 926 927 static void 928 sbp_reset_start(struct sbp_dev *sdev) 929 { 930 struct fw_xfer *xfer; 931 struct fw_pkt *fp; 932 933 SBP_DEBUG(0) 934 sbp_show_sdev_info(sdev, 2); 935 printf("sbp_reset_start\n"); 936 END_DEBUG 937 938 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 939 xfer->hand = sbp_reset_start_callback; 940 fp = &xfer->send.hdr; 941 fp->mode.wreqq.dest_hi = 0xffff; 942 fp->mode.wreqq.dest_lo = 0xf0000000 | RESET_START; 943 fp->mode.wreqq.data = htonl(0xf); 944 fw_asyreq(xfer->fc, -1, xfer); 945 } 946 947 static void 948 sbp_mgm_callback(struct fw_xfer *xfer) 949 { 950 struct sbp_dev *sdev; 951 int resp; 952 953 sdev = (struct sbp_dev *)xfer->sc; 954 955 SBP_DEBUG(1) 956 sbp_show_sdev_info(sdev, 2); 957 printf("sbp_mgm_callback\n"); 958 END_DEBUG 959 resp = xfer->resp; 960 sbp_xfer_free(xfer); 961 #if 0 962 if (resp != 0) { 963 sbp_show_sdev_info(sdev, 2); 964 printf("management ORB failed(%d) ... RESET_START\n", resp); 965 sbp_reset_start(sdev); 966 } 967 #endif 968 return; 969 } 970 971 static struct sbp_dev * 972 sbp_next_dev(struct sbp_target *target, int lun) 973 { 974 struct sbp_dev **sdevp; 975 int i; 976 977 for (i = lun, sdevp = &target->luns[lun]; i < target->num_lun; 978 i++, sdevp++) 979 if (*sdevp != NULL && (*sdevp)->status == SBP_DEV_PROBE) 980 return(*sdevp); 981 return(NULL); 982 } 983 984 #define SCAN_PRI 1 985 static void 986 sbp_cam_scan_lun(struct cam_periph *periph, union ccb *ccb) 987 { 988 struct sbp_target *target; 989 struct sbp_dev *sdev; 990 991 sdev = (struct sbp_dev *) ccb->ccb_h.ccb_sdev_ptr; 992 target = sdev->target; 993 SBP_DEBUG(0) 994 sbp_show_sdev_info(sdev, 2); 995 printf("sbp_cam_scan_lun\n"); 996 END_DEBUG 997 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 998 sdev->status = SBP_DEV_ATTACHED; 999 } else { 1000 sbp_show_sdev_info(sdev, 2); 1001 printf("scan failed\n"); 1002 } 1003 sdev = sbp_next_dev(target, sdev->lun_id + 1); 1004 if (sdev == NULL) { 1005 free(ccb, M_SBP); 1006 return; 1007 } 1008 /* reuse ccb */ 1009 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI); 1010 ccb->ccb_h.ccb_sdev_ptr = sdev; 1011 xpt_action(ccb); 1012 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 1013 sdev->freeze = 1; 1014 } 1015 1016 static void 1017 sbp_cam_scan_target(void *arg) 1018 { 1019 struct sbp_target *target = (struct sbp_target *)arg; 1020 struct sbp_dev *sdev; 1021 union ccb *ccb; 1022 1023 sdev = sbp_next_dev(target, 0); 1024 if (sdev == NULL) { 1025 printf("sbp_cam_scan_target: nothing to do for target%d\n", 1026 target->target_id); 1027 return; 1028 } 1029 SBP_DEBUG(0) 1030 sbp_show_sdev_info(sdev, 2); 1031 printf("sbp_cam_scan_target\n"); 1032 END_DEBUG 1033 ccb = malloc(sizeof(union ccb), M_SBP, M_NOWAIT | M_ZERO); 1034 if (ccb == NULL) { 1035 printf("sbp_cam_scan_target: malloc failed\n"); 1036 return; 1037 } 1038 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI); 1039 ccb->ccb_h.func_code = XPT_SCAN_LUN; 1040 ccb->ccb_h.cbfcnp = sbp_cam_scan_lun; 1041 ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 1042 ccb->crcn.flags = CAM_FLAG_NONE; 1043 ccb->ccb_h.ccb_sdev_ptr = sdev; 1044 1045 /* The scan is in progress now. */ 1046 xpt_action(ccb); 1047 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 1048 sdev->freeze = 1; 1049 } 1050 1051 static __inline void 1052 sbp_scan_dev(struct sbp_dev *sdev) 1053 { 1054 sdev->status = SBP_DEV_PROBE; 1055 callout_reset(&sdev->target->scan_callout, scan_delay * hz / 1000, 1056 sbp_cam_scan_target, (void *)sdev->target); 1057 } 1058 1059 static void 1060 sbp_do_attach(struct fw_xfer *xfer) 1061 { 1062 struct sbp_dev *sdev; 1063 struct sbp_target *target; 1064 struct sbp_softc *sbp; 1065 1066 sdev = (struct sbp_dev *)xfer->sc; 1067 target = sdev->target; 1068 sbp = target->sbp; 1069 SBP_DEBUG(0) 1070 sbp_show_sdev_info(sdev, 2); 1071 printf("sbp_do_attach\n"); 1072 END_DEBUG 1073 sbp_xfer_free(xfer); 1074 1075 if (sdev->path == NULL) 1076 xpt_create_path(&sdev->path, xpt_periph, 1077 cam_sim_path(target->sbp->sim), 1078 target->target_id, sdev->lun_id); 1079 1080 /* 1081 * Let CAM scan the bus if we are in the boot process. 1082 * XXX xpt_scan_bus cannot detect LUN larger than 0 1083 * if LUN 0 doesn't exists. 1084 */ 1085 if (sbp_cold > 0) { 1086 sdev->status = SBP_DEV_ATTACHED; 1087 return; 1088 } 1089 1090 sbp_scan_dev(sdev); 1091 return; 1092 } 1093 1094 static void 1095 sbp_agent_reset_callback(struct fw_xfer *xfer) 1096 { 1097 struct sbp_dev *sdev; 1098 1099 sdev = (struct sbp_dev *)xfer->sc; 1100 SBP_DEBUG(1) 1101 sbp_show_sdev_info(sdev, 2); 1102 printf("%s\n", __func__); 1103 END_DEBUG 1104 if (xfer->resp != 0) { 1105 sbp_show_sdev_info(sdev, 2); 1106 printf("%s: resp=%d\n", __func__, xfer->resp); 1107 } 1108 1109 sbp_xfer_free(xfer); 1110 if (sdev->path) { 1111 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 1112 sdev->freeze = 0; 1113 } 1114 } 1115 1116 static void 1117 sbp_agent_reset(struct sbp_dev *sdev) 1118 { 1119 struct fw_xfer *xfer; 1120 struct fw_pkt *fp; 1121 1122 SBP_DEBUG(0) 1123 sbp_show_sdev_info(sdev, 2); 1124 printf("sbp_agent_reset\n"); 1125 END_DEBUG 1126 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x04); 1127 if (xfer == NULL) 1128 return; 1129 if (sdev->status == SBP_DEV_ATTACHED || sdev->status == SBP_DEV_PROBE) 1130 xfer->hand = sbp_agent_reset_callback; 1131 else 1132 xfer->hand = sbp_do_attach; 1133 fp = &xfer->send.hdr; 1134 fp->mode.wreqq.data = htonl(0xf); 1135 fw_asyreq(xfer->fc, -1, xfer); 1136 sbp_abort_all_ocbs(sdev, CAM_BDR_SENT); 1137 } 1138 1139 static void 1140 sbp_busy_timeout_callback(struct fw_xfer *xfer) 1141 { 1142 struct sbp_dev *sdev; 1143 1144 sdev = (struct sbp_dev *)xfer->sc; 1145 SBP_DEBUG(1) 1146 sbp_show_sdev_info(sdev, 2); 1147 printf("sbp_busy_timeout_callback\n"); 1148 END_DEBUG 1149 sbp_xfer_free(xfer); 1150 sbp_agent_reset(sdev); 1151 } 1152 1153 static void 1154 sbp_busy_timeout(struct sbp_dev *sdev) 1155 { 1156 struct fw_pkt *fp; 1157 struct fw_xfer *xfer; 1158 SBP_DEBUG(0) 1159 sbp_show_sdev_info(sdev, 2); 1160 printf("sbp_busy_timeout\n"); 1161 END_DEBUG 1162 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 1163 1164 xfer->hand = sbp_busy_timeout_callback; 1165 fp = &xfer->send.hdr; 1166 fp->mode.wreqq.dest_hi = 0xffff; 1167 fp->mode.wreqq.dest_lo = 0xf0000000 | BUSY_TIMEOUT; 1168 fp->mode.wreqq.data = htonl((1 << (13+12)) | 0xf); 1169 fw_asyreq(xfer->fc, -1, xfer); 1170 } 1171 1172 static void 1173 sbp_orb_pointer_callback(struct fw_xfer *xfer) 1174 { 1175 struct sbp_dev *sdev; 1176 sdev = (struct sbp_dev *)xfer->sc; 1177 1178 SBP_DEBUG(1) 1179 sbp_show_sdev_info(sdev, 2); 1180 printf("%s\n", __func__); 1181 END_DEBUG 1182 if (xfer->resp != 0) { 1183 /* XXX */ 1184 printf("%s: xfer->resp = %d\n", __func__, xfer->resp); 1185 } 1186 sbp_xfer_free(xfer); 1187 sdev->flags &= ~ORB_POINTER_ACTIVE; 1188 1189 if ((sdev->flags & ORB_POINTER_NEED) != 0) { 1190 struct sbp_ocb *ocb; 1191 1192 sdev->flags &= ~ORB_POINTER_NEED; 1193 ocb = STAILQ_FIRST(&sdev->ocbs); 1194 if (ocb != NULL) 1195 sbp_orb_pointer(sdev, ocb); 1196 } 1197 return; 1198 } 1199 1200 static void 1201 sbp_orb_pointer(struct sbp_dev *sdev, struct sbp_ocb *ocb) 1202 { 1203 struct fw_xfer *xfer; 1204 struct fw_pkt *fp; 1205 SBP_DEBUG(1) 1206 sbp_show_sdev_info(sdev, 2); 1207 printf("%s: 0x%08x\n", __func__, (uint32_t)ocb->bus_addr); 1208 END_DEBUG 1209 1210 if ((sdev->flags & ORB_POINTER_ACTIVE) != 0) { 1211 SBP_DEBUG(0) 1212 printf("%s: orb pointer active\n", __func__); 1213 END_DEBUG 1214 sdev->flags |= ORB_POINTER_NEED; 1215 return; 1216 } 1217 1218 sdev->flags |= ORB_POINTER_ACTIVE; 1219 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0x08); 1220 if (xfer == NULL) 1221 return; 1222 xfer->hand = sbp_orb_pointer_callback; 1223 1224 fp = &xfer->send.hdr; 1225 fp->mode.wreqb.len = 8; 1226 fp->mode.wreqb.extcode = 0; 1227 xfer->send.payload[0] = 1228 htonl(((sdev->target->sbp->fd.fc->nodeid | FWLOCALBUS )<< 16)); 1229 xfer->send.payload[1] = htonl((uint32_t)ocb->bus_addr); 1230 1231 if(fw_asyreq(xfer->fc, -1, xfer) != 0){ 1232 sbp_xfer_free(xfer); 1233 ocb->ccb->ccb_h.status = CAM_REQ_INVALID; 1234 xpt_done(ocb->ccb); 1235 } 1236 } 1237 1238 static void 1239 sbp_doorbell_callback(struct fw_xfer *xfer) 1240 { 1241 struct sbp_dev *sdev; 1242 sdev = (struct sbp_dev *)xfer->sc; 1243 1244 SBP_DEBUG(1) 1245 sbp_show_sdev_info(sdev, 2); 1246 printf("sbp_doorbell_callback\n"); 1247 END_DEBUG 1248 if (xfer->resp != 0) { 1249 /* XXX */ 1250 printf("%s: xfer->resp = %d\n", __func__, xfer->resp); 1251 } 1252 sbp_xfer_free(xfer); 1253 sdev->flags &= ~ORB_DOORBELL_ACTIVE; 1254 if ((sdev->flags & ORB_DOORBELL_NEED) != 0) { 1255 sdev->flags &= ~ORB_DOORBELL_NEED; 1256 sbp_doorbell(sdev); 1257 } 1258 return; 1259 } 1260 1261 static void 1262 sbp_doorbell(struct sbp_dev *sdev) 1263 { 1264 struct fw_xfer *xfer; 1265 struct fw_pkt *fp; 1266 SBP_DEBUG(1) 1267 sbp_show_sdev_info(sdev, 2); 1268 printf("sbp_doorbell\n"); 1269 END_DEBUG 1270 1271 if ((sdev->flags & ORB_DOORBELL_ACTIVE) != 0) { 1272 sdev->flags |= ORB_DOORBELL_NEED; 1273 return; 1274 } 1275 sdev->flags |= ORB_DOORBELL_ACTIVE; 1276 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x10); 1277 if (xfer == NULL) 1278 return; 1279 xfer->hand = sbp_doorbell_callback; 1280 fp = &xfer->send.hdr; 1281 fp->mode.wreqq.data = htonl(0xf); 1282 fw_asyreq(xfer->fc, -1, xfer); 1283 } 1284 1285 static struct fw_xfer * 1286 sbp_write_cmd(struct sbp_dev *sdev, int tcode, int offset) 1287 { 1288 struct fw_xfer *xfer; 1289 struct fw_pkt *fp; 1290 struct sbp_target *target; 1291 int s, new = 0; 1292 1293 target = sdev->target; 1294 s = splfw(); 1295 xfer = STAILQ_FIRST(&target->xferlist); 1296 if (xfer == NULL) { 1297 if (target->n_xfer > 5 /* XXX */) { 1298 printf("sbp: no more xfer for this target\n"); 1299 splx(s); 1300 return(NULL); 1301 } 1302 xfer = fw_xfer_alloc_buf(M_SBP, 8, 0); 1303 if(xfer == NULL){ 1304 printf("sbp: fw_xfer_alloc_buf failed\n"); 1305 splx(s); 1306 return NULL; 1307 } 1308 target->n_xfer ++; 1309 if (debug) 1310 printf("sbp: alloc %d xfer\n", target->n_xfer); 1311 new = 1; 1312 } else { 1313 STAILQ_REMOVE_HEAD(&target->xferlist, link); 1314 } 1315 splx(s); 1316 1317 microtime(&xfer->tv); 1318 1319 if (new) { 1320 xfer->recv.pay_len = 0; 1321 xfer->send.spd = min(sdev->target->fwdev->speed, max_speed); 1322 xfer->fc = sdev->target->sbp->fd.fc; 1323 } 1324 1325 if (tcode == FWTCODE_WREQB) 1326 xfer->send.pay_len = 8; 1327 else 1328 xfer->send.pay_len = 0; 1329 1330 xfer->sc = (caddr_t)sdev; 1331 fp = &xfer->send.hdr; 1332 fp->mode.wreqq.dest_hi = sdev->login->cmd_hi; 1333 fp->mode.wreqq.dest_lo = sdev->login->cmd_lo + offset; 1334 fp->mode.wreqq.tlrt = 0; 1335 fp->mode.wreqq.tcode = tcode; 1336 fp->mode.wreqq.pri = 0; 1337 fp->mode.wreqq.dst = FWLOCALBUS | sdev->target->fwdev->dst; 1338 1339 return xfer; 1340 1341 } 1342 1343 static void 1344 sbp_mgm_orb(struct sbp_dev *sdev, int func, struct sbp_ocb *aocb) 1345 { 1346 struct fw_xfer *xfer; 1347 struct fw_pkt *fp; 1348 struct sbp_ocb *ocb; 1349 struct sbp_target *target; 1350 int s, nid; 1351 1352 target = sdev->target; 1353 nid = target->sbp->fd.fc->nodeid | FWLOCALBUS; 1354 1355 s = splfw(); 1356 if (func == ORB_FUN_RUNQUEUE) { 1357 ocb = STAILQ_FIRST(&target->mgm_ocb_queue); 1358 if (target->mgm_ocb_cur != NULL || ocb == NULL) { 1359 splx(s); 1360 return; 1361 } 1362 STAILQ_REMOVE_HEAD(&target->mgm_ocb_queue, ocb); 1363 goto start; 1364 } 1365 if ((ocb = sbp_get_ocb(sdev)) == NULL) { 1366 splx(s); 1367 /* XXX */ 1368 return; 1369 } 1370 ocb->flags = OCB_ACT_MGM; 1371 ocb->sdev = sdev; 1372 1373 bzero((void *)ocb->orb, sizeof(ocb->orb)); 1374 ocb->orb[6] = htonl((nid << 16) | SBP_BIND_HI); 1375 ocb->orb[7] = htonl(SBP_DEV2ADDR(target->target_id, sdev->lun_id)); 1376 1377 SBP_DEBUG(0) 1378 sbp_show_sdev_info(sdev, 2); 1379 printf("%s\n", orb_fun_name[(func>>16)&0xf]); 1380 END_DEBUG 1381 switch (func) { 1382 case ORB_FUN_LGI: 1383 ocb->orb[0] = ocb->orb[1] = 0; /* password */ 1384 ocb->orb[2] = htonl(nid << 16); 1385 ocb->orb[3] = htonl(sdev->dma.bus_addr); 1386 ocb->orb[4] = htonl(ORB_NOTIFY | sdev->lun_id); 1387 if (ex_login) 1388 ocb->orb[4] |= htonl(ORB_EXV); 1389 ocb->orb[5] = htonl(SBP_LOGIN_SIZE); 1390 fwdma_sync(&sdev->dma, BUS_DMASYNC_PREREAD); 1391 break; 1392 case ORB_FUN_ATA: 1393 ocb->orb[0] = htonl((0 << 16) | 0); 1394 ocb->orb[1] = htonl(aocb->bus_addr & 0xffffffff); 1395 /* fall through */ 1396 case ORB_FUN_RCN: 1397 case ORB_FUN_LGO: 1398 case ORB_FUN_LUR: 1399 case ORB_FUN_RST: 1400 case ORB_FUN_ATS: 1401 ocb->orb[4] = htonl(ORB_NOTIFY | func | sdev->login->id); 1402 break; 1403 } 1404 1405 if (target->mgm_ocb_cur != NULL) { 1406 /* there is a standing ORB */ 1407 STAILQ_INSERT_TAIL(&sdev->target->mgm_ocb_queue, ocb, ocb); 1408 splx(s); 1409 return; 1410 } 1411 start: 1412 target->mgm_ocb_cur = ocb; 1413 splx(s); 1414 1415 callout_reset(&target->mgm_ocb_timeout, 5*hz, 1416 sbp_mgm_timeout, (caddr_t)ocb); 1417 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0); 1418 if(xfer == NULL){ 1419 return; 1420 } 1421 xfer->hand = sbp_mgm_callback; 1422 1423 fp = &xfer->send.hdr; 1424 fp->mode.wreqb.dest_hi = sdev->target->mgm_hi; 1425 fp->mode.wreqb.dest_lo = sdev->target->mgm_lo; 1426 fp->mode.wreqb.len = 8; 1427 fp->mode.wreqb.extcode = 0; 1428 xfer->send.payload[0] = htonl(nid << 16); 1429 xfer->send.payload[1] = htonl(ocb->bus_addr & 0xffffffff); 1430 SBP_DEBUG(0) 1431 sbp_show_sdev_info(sdev, 2); 1432 printf("mgm orb: %08x\n", (uint32_t)ocb->bus_addr); 1433 END_DEBUG 1434 1435 fw_asyreq(xfer->fc, -1, xfer); 1436 } 1437 1438 static void 1439 sbp_print_scsi_cmd(struct sbp_ocb *ocb) 1440 { 1441 struct ccb_scsiio *csio; 1442 1443 csio = &ocb->ccb->csio; 1444 printf("%s:%d:%d XPT_SCSI_IO: " 1445 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 1446 ", flags: 0x%02x, " 1447 "%db cmd/%db data/%db sense\n", 1448 device_get_nameunit(ocb->sdev->target->sbp->fd.dev), 1449 ocb->ccb->ccb_h.target_id, ocb->ccb->ccb_h.target_lun, 1450 csio->cdb_io.cdb_bytes[0], 1451 csio->cdb_io.cdb_bytes[1], 1452 csio->cdb_io.cdb_bytes[2], 1453 csio->cdb_io.cdb_bytes[3], 1454 csio->cdb_io.cdb_bytes[4], 1455 csio->cdb_io.cdb_bytes[5], 1456 csio->cdb_io.cdb_bytes[6], 1457 csio->cdb_io.cdb_bytes[7], 1458 csio->cdb_io.cdb_bytes[8], 1459 csio->cdb_io.cdb_bytes[9], 1460 ocb->ccb->ccb_h.flags & CAM_DIR_MASK, 1461 csio->cdb_len, csio->dxfer_len, 1462 csio->sense_len); 1463 } 1464 1465 static void 1466 sbp_scsi_status(struct sbp_status *sbp_status, struct sbp_ocb *ocb) 1467 { 1468 struct sbp_cmd_status *sbp_cmd_status; 1469 struct scsi_sense_data *sense; 1470 1471 sbp_cmd_status = (struct sbp_cmd_status *)sbp_status->data; 1472 sense = &ocb->ccb->csio.sense_data; 1473 1474 SBP_DEBUG(0) 1475 sbp_print_scsi_cmd(ocb); 1476 /* XXX need decode status */ 1477 sbp_show_sdev_info(ocb->sdev, 2); 1478 printf("SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d\n", 1479 sbp_cmd_status->status, 1480 sbp_cmd_status->sfmt, 1481 sbp_cmd_status->valid, 1482 sbp_cmd_status->s_key, 1483 sbp_cmd_status->s_code, 1484 sbp_cmd_status->s_qlfr, 1485 sbp_status->len 1486 ); 1487 END_DEBUG 1488 1489 switch (sbp_cmd_status->status) { 1490 case SCSI_STATUS_CHECK_COND: 1491 case SCSI_STATUS_BUSY: 1492 case SCSI_STATUS_CMD_TERMINATED: 1493 if(sbp_cmd_status->sfmt == SBP_SFMT_CURR){ 1494 sense->error_code = SSD_CURRENT_ERROR; 1495 }else{ 1496 sense->error_code = SSD_DEFERRED_ERROR; 1497 } 1498 if(sbp_cmd_status->valid) 1499 sense->error_code |= SSD_ERRCODE_VALID; 1500 sense->flags = sbp_cmd_status->s_key; 1501 if(sbp_cmd_status->mark) 1502 sense->flags |= SSD_FILEMARK; 1503 if(sbp_cmd_status->eom) 1504 sense->flags |= SSD_EOM; 1505 if(sbp_cmd_status->ill_len) 1506 sense->flags |= SSD_ILI; 1507 1508 bcopy(&sbp_cmd_status->info, &sense->info[0], 4); 1509 1510 if (sbp_status->len <= 1) 1511 /* XXX not scsi status. shouldn't be happened */ 1512 sense->extra_len = 0; 1513 else if (sbp_status->len <= 4) 1514 /* add_sense_code(_qual), info, cmd_spec_info */ 1515 sense->extra_len = 6; 1516 else 1517 /* fru, sense_key_spec */ 1518 sense->extra_len = 10; 1519 1520 bcopy(&sbp_cmd_status->cdb, &sense->cmd_spec_info[0], 4); 1521 1522 sense->add_sense_code = sbp_cmd_status->s_code; 1523 sense->add_sense_code_qual = sbp_cmd_status->s_qlfr; 1524 sense->fru = sbp_cmd_status->fru; 1525 1526 bcopy(&sbp_cmd_status->s_keydep[0], 1527 &sense->sense_key_spec[0], 3); 1528 1529 ocb->ccb->csio.scsi_status = sbp_cmd_status->status;; 1530 ocb->ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR 1531 | CAM_AUTOSNS_VALID; 1532 /* 1533 { 1534 uint8_t j, *tmp; 1535 tmp = sense; 1536 for( j = 0 ; j < 32 ; j+=8){ 1537 printf("sense %02x%02x %02x%02x %02x%02x %02x%02x\n", 1538 tmp[j], tmp[j+1], tmp[j+2], tmp[j+3], 1539 tmp[j+4], tmp[j+5], tmp[j+6], tmp[j+7]); 1540 } 1541 1542 } 1543 */ 1544 break; 1545 default: 1546 sbp_show_sdev_info(ocb->sdev, 2); 1547 printf("sbp_scsi_status: unknown scsi status 0x%x\n", 1548 sbp_cmd_status->status); 1549 } 1550 } 1551 1552 static void 1553 sbp_fix_inq_data(struct sbp_ocb *ocb) 1554 { 1555 union ccb *ccb; 1556 struct sbp_dev *sdev; 1557 struct scsi_inquiry_data *inq; 1558 1559 ccb = ocb->ccb; 1560 sdev = ocb->sdev; 1561 1562 if (ccb->csio.cdb_io.cdb_bytes[1] & SI_EVPD) 1563 return; 1564 SBP_DEBUG(1) 1565 sbp_show_sdev_info(sdev, 2); 1566 printf("sbp_fix_inq_data\n"); 1567 END_DEBUG 1568 inq = (struct scsi_inquiry_data *) ccb->csio.data_ptr; 1569 switch (SID_TYPE(inq)) { 1570 case T_DIRECT: 1571 #if 0 1572 /* 1573 * XXX Convert Direct Access device to RBC. 1574 * I've never seen FireWire DA devices which support READ_6. 1575 */ 1576 if (SID_TYPE(inq) == T_DIRECT) 1577 inq->device |= T_RBC; /* T_DIRECT == 0 */ 1578 #endif 1579 /* fall through */ 1580 case T_RBC: 1581 /* 1582 * Override vendor/product/revision information. 1583 * Some devices sometimes return strange strings. 1584 */ 1585 #if 1 1586 bcopy(sdev->vendor, inq->vendor, sizeof(inq->vendor)); 1587 bcopy(sdev->product, inq->product, sizeof(inq->product)); 1588 bcopy(sdev->revision+2, inq->revision, sizeof(inq->revision)); 1589 #endif 1590 break; 1591 } 1592 /* 1593 * Force to enable/disable tagged queuing. 1594 * XXX CAM also checks SCP_QUEUE_DQUE flag in the control mode page. 1595 */ 1596 if (sbp_tags > 0) 1597 inq->flags |= SID_CmdQue; 1598 else if (sbp_tags < 0) 1599 inq->flags &= ~SID_CmdQue; 1600 1601 } 1602 1603 static void 1604 sbp_recv1(struct fw_xfer *xfer) 1605 { 1606 struct fw_pkt *rfp; 1607 #if NEED_RESPONSE 1608 struct fw_pkt *sfp; 1609 #endif 1610 struct sbp_softc *sbp; 1611 struct sbp_dev *sdev; 1612 struct sbp_ocb *ocb; 1613 struct sbp_login_res *login_res = NULL; 1614 struct sbp_status *sbp_status; 1615 struct sbp_target *target; 1616 int orb_fun, status_valid0, status_valid, t, l, reset_agent = 0; 1617 uint32_t addr; 1618 /* 1619 uint32_t *ld; 1620 ld = xfer->recv.buf; 1621 printf("sbp %x %d %d %08x %08x %08x %08x\n", 1622 xfer->resp, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3])); 1623 printf("sbp %08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 1624 printf("sbp %08x %08x %08x %08x\n", ntohl(ld[8]), ntohl(ld[9]), ntohl(ld[10]), ntohl(ld[11])); 1625 */ 1626 sbp = (struct sbp_softc *)xfer->sc; 1627 if (xfer->resp != 0){ 1628 printf("sbp_recv: xfer->resp = %d\n", xfer->resp); 1629 goto done0; 1630 } 1631 if (xfer->recv.payload == NULL){ 1632 printf("sbp_recv: xfer->recv.payload == NULL\n"); 1633 goto done0; 1634 } 1635 rfp = &xfer->recv.hdr; 1636 if(rfp->mode.wreqb.tcode != FWTCODE_WREQB){ 1637 printf("sbp_recv: tcode = %d\n", rfp->mode.wreqb.tcode); 1638 goto done0; 1639 } 1640 sbp_status = (struct sbp_status *)xfer->recv.payload; 1641 addr = rfp->mode.wreqb.dest_lo; 1642 SBP_DEBUG(2) 1643 printf("received address 0x%x\n", addr); 1644 END_DEBUG 1645 t = SBP_ADDR2TRG(addr); 1646 if (t >= SBP_NUM_TARGETS) { 1647 device_printf(sbp->fd.dev, 1648 "sbp_recv1: invalid target %d\n", t); 1649 goto done0; 1650 } 1651 target = &sbp->targets[t]; 1652 l = SBP_ADDR2LUN(addr); 1653 if (l >= target->num_lun || target->luns[l] == NULL) { 1654 device_printf(sbp->fd.dev, 1655 "sbp_recv1: invalid lun %d (target=%d)\n", l, t); 1656 goto done0; 1657 } 1658 sdev = target->luns[l]; 1659 1660 ocb = NULL; 1661 switch (sbp_status->src) { 1662 case 0: 1663 case 1: 1664 /* check mgm_ocb_cur first */ 1665 ocb = target->mgm_ocb_cur; 1666 if (ocb != NULL) { 1667 if (OCB_MATCH(ocb, sbp_status)) { 1668 callout_stop(&target->mgm_ocb_timeout); 1669 target->mgm_ocb_cur = NULL; 1670 break; 1671 } 1672 } 1673 ocb = sbp_dequeue_ocb(sdev, sbp_status); 1674 if (ocb == NULL) { 1675 sbp_show_sdev_info(sdev, 2); 1676 #if defined(__DragonFly__) || __FreeBSD_version < 500000 1677 printf("No ocb(%lx) on the queue\n", 1678 #else 1679 printf("No ocb(%x) on the queue\n", 1680 #endif 1681 ntohl(sbp_status->orb_lo)); 1682 } 1683 break; 1684 case 2: 1685 /* unsolicit */ 1686 sbp_show_sdev_info(sdev, 2); 1687 printf("unsolicit status received\n"); 1688 break; 1689 default: 1690 sbp_show_sdev_info(sdev, 2); 1691 printf("unknown sbp_status->src\n"); 1692 } 1693 1694 status_valid0 = (sbp_status->src < 2 1695 && sbp_status->resp == ORB_RES_CMPL 1696 && sbp_status->dead == 0); 1697 status_valid = (status_valid0 && sbp_status->status == 0); 1698 1699 if (!status_valid0 || debug > 2){ 1700 int status; 1701 SBP_DEBUG(0) 1702 sbp_show_sdev_info(sdev, 2); 1703 printf("ORB status src:%x resp:%x dead:%x" 1704 #if defined(__DragonFly__) || __FreeBSD_version < 500000 1705 " len:%x stat:%x orb:%x%08lx\n", 1706 #else 1707 " len:%x stat:%x orb:%x%08x\n", 1708 #endif 1709 sbp_status->src, sbp_status->resp, sbp_status->dead, 1710 sbp_status->len, sbp_status->status, 1711 ntohs(sbp_status->orb_hi), ntohl(sbp_status->orb_lo)); 1712 END_DEBUG 1713 sbp_show_sdev_info(sdev, 2); 1714 status = sbp_status->status; 1715 switch(sbp_status->resp) { 1716 case 0: 1717 if (status > MAX_ORB_STATUS0) 1718 printf("%s\n", orb_status0[MAX_ORB_STATUS0]); 1719 else 1720 printf("%s\n", orb_status0[status]); 1721 break; 1722 case 1: 1723 printf("Obj: %s, Error: %s\n", 1724 orb_status1_object[(status>>6) & 3], 1725 orb_status1_serial_bus_error[status & 0xf]); 1726 break; 1727 case 2: 1728 printf("Illegal request\n"); 1729 break; 1730 case 3: 1731 printf("Vendor dependent\n"); 1732 break; 1733 default: 1734 printf("unknown respose code %d\n", sbp_status->resp); 1735 } 1736 } 1737 1738 /* we have to reset the fetch agent if it's dead */ 1739 if (sbp_status->dead) { 1740 if (sdev->path) { 1741 xpt_freeze_devq(sdev->path, 1); 1742 sdev->freeze ++; 1743 } 1744 reset_agent = 1; 1745 } 1746 1747 if (ocb == NULL) 1748 goto done; 1749 1750 switch(ntohl(ocb->orb[4]) & ORB_FMT_MSK){ 1751 case ORB_FMT_NOP: 1752 break; 1753 case ORB_FMT_VED: 1754 break; 1755 case ORB_FMT_STD: 1756 switch(ocb->flags) { 1757 case OCB_ACT_MGM: 1758 orb_fun = ntohl(ocb->orb[4]) & ORB_FUN_MSK; 1759 reset_agent = 0; 1760 switch(orb_fun) { 1761 case ORB_FUN_LGI: 1762 fwdma_sync(&sdev->dma, BUS_DMASYNC_POSTREAD); 1763 login_res = sdev->login; 1764 login_res->len = ntohs(login_res->len); 1765 login_res->id = ntohs(login_res->id); 1766 login_res->cmd_hi = ntohs(login_res->cmd_hi); 1767 login_res->cmd_lo = ntohl(login_res->cmd_lo); 1768 if (status_valid) { 1769 SBP_DEBUG(0) 1770 sbp_show_sdev_info(sdev, 2); 1771 printf("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)); 1772 END_DEBUG 1773 sbp_busy_timeout(sdev); 1774 } else { 1775 /* forgot logout? */ 1776 sbp_show_sdev_info(sdev, 2); 1777 printf("login failed\n"); 1778 sdev->status = SBP_DEV_RESET; 1779 } 1780 break; 1781 case ORB_FUN_RCN: 1782 login_res = sdev->login; 1783 if (status_valid) { 1784 SBP_DEBUG(0) 1785 sbp_show_sdev_info(sdev, 2); 1786 printf("reconnect: len %d, ID %d, cmd %08x%08x\n", login_res->len, login_res->id, login_res->cmd_hi, login_res->cmd_lo); 1787 END_DEBUG 1788 #if 1 1789 if (sdev->status == SBP_DEV_ATTACHED) 1790 sbp_scan_dev(sdev); 1791 else 1792 sbp_agent_reset(sdev); 1793 #else 1794 sdev->status = SBP_DEV_ATTACHED; 1795 sbp_mgm_orb(sdev, ORB_FUN_ATS, NULL); 1796 #endif 1797 } else { 1798 /* reconnection hold time exceed? */ 1799 SBP_DEBUG(0) 1800 sbp_show_sdev_info(sdev, 2); 1801 printf("reconnect failed\n"); 1802 END_DEBUG 1803 sbp_login(sdev); 1804 } 1805 break; 1806 case ORB_FUN_LGO: 1807 sdev->status = SBP_DEV_RESET; 1808 break; 1809 case ORB_FUN_RST: 1810 sbp_busy_timeout(sdev); 1811 break; 1812 case ORB_FUN_LUR: 1813 case ORB_FUN_ATA: 1814 case ORB_FUN_ATS: 1815 sbp_agent_reset(sdev); 1816 break; 1817 default: 1818 sbp_show_sdev_info(sdev, 2); 1819 printf("unknown function %d\n", orb_fun); 1820 break; 1821 } 1822 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 1823 break; 1824 case OCB_ACT_CMD: 1825 sdev->timeout = 0; 1826 if(ocb->ccb != NULL){ 1827 union ccb *ccb; 1828 /* 1829 uint32_t *ld; 1830 ld = ocb->ccb->csio.data_ptr; 1831 if(ld != NULL && ocb->ccb->csio.dxfer_len != 0) 1832 printf("ptr %08x %08x %08x %08x\n", ld[0], ld[1], ld[2], ld[3]); 1833 else 1834 printf("ptr NULL\n"); 1835 printf("len %d\n", sbp_status->len); 1836 */ 1837 ccb = ocb->ccb; 1838 if(sbp_status->len > 1){ 1839 sbp_scsi_status(sbp_status, ocb); 1840 }else{ 1841 if(sbp_status->resp != ORB_RES_CMPL){ 1842 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1843 }else{ 1844 ccb->ccb_h.status = CAM_REQ_CMP; 1845 } 1846 } 1847 /* fix up inq data */ 1848 if (ccb->csio.cdb_io.cdb_bytes[0] == INQUIRY) 1849 sbp_fix_inq_data(ocb); 1850 xpt_done(ccb); 1851 } 1852 break; 1853 default: 1854 break; 1855 } 1856 } 1857 1858 if (!use_doorbell) 1859 sbp_free_ocb(sdev, ocb); 1860 done: 1861 if (reset_agent) 1862 sbp_agent_reset(sdev); 1863 1864 done0: 1865 xfer->recv.pay_len = SBP_RECV_LEN; 1866 /* The received packet is usually small enough to be stored within 1867 * the buffer. In that case, the controller return ack_complete and 1868 * no respose is necessary. 1869 * 1870 * XXX fwohci.c and firewire.c should inform event_code such as 1871 * ack_complete or ack_pending to upper driver. 1872 */ 1873 #if NEED_RESPONSE 1874 xfer->send.off = 0; 1875 sfp = (struct fw_pkt *)xfer->send.buf; 1876 sfp->mode.wres.dst = rfp->mode.wreqb.src; 1877 xfer->dst = sfp->mode.wres.dst; 1878 xfer->spd = min(sdev->target->fwdev->speed, max_speed); 1879 xfer->hand = sbp_loginres_callback; 1880 1881 sfp->mode.wres.tlrt = rfp->mode.wreqb.tlrt; 1882 sfp->mode.wres.tcode = FWTCODE_WRES; 1883 sfp->mode.wres.rtcode = 0; 1884 sfp->mode.wres.pri = 0; 1885 1886 fw_asyreq(xfer->fc, -1, xfer); 1887 #else 1888 /* recycle */ 1889 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link); 1890 #endif 1891 1892 return; 1893 1894 } 1895 1896 static void 1897 sbp_recv(struct fw_xfer *xfer) 1898 { 1899 int s; 1900 1901 s = splcam(); 1902 sbp_recv1(xfer); 1903 splx(s); 1904 } 1905 /* 1906 * sbp_attach() 1907 */ 1908 static int 1909 sbp_attach(device_t dev) 1910 { 1911 struct sbp_softc *sbp; 1912 struct cam_devq *devq; 1913 int i, s, error; 1914 1915 if (DFLTPHYS > SBP_MAXPHYS) 1916 device_printf(dev, "Warning, DFLTPHYS(%dKB) is larger than " 1917 "SBP_MAXPHYS(%dKB).\n", DFLTPHYS / 1024, 1918 SBP_MAXPHYS / 1024); 1919 1920 SBP_DEBUG(0) 1921 printf("sbp_attach (cold=%d)\n", cold); 1922 END_DEBUG 1923 1924 if (cold) 1925 sbp_cold ++; 1926 sbp = ((struct sbp_softc *)device_get_softc(dev)); 1927 bzero(sbp, sizeof(struct sbp_softc)); 1928 sbp->fd.dev = dev; 1929 sbp->fd.fc = device_get_ivars(dev); 1930 1931 if (max_speed < 0) 1932 max_speed = sbp->fd.fc->speed; 1933 1934 error = bus_dma_tag_create(/*parent*/sbp->fd.fc->dmat, 1935 /* XXX shoud be 4 for sane backend? */ 1936 /*alignment*/1, 1937 /*boundary*/0, 1938 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, 1939 /*highaddr*/BUS_SPACE_MAXADDR, 1940 /*filter*/NULL, /*filterarg*/NULL, 1941 /*maxsize*/0x100000, /*nsegments*/SBP_IND_MAX, 1942 /*maxsegsz*/SBP_SEG_MAX, 1943 /*flags*/BUS_DMA_ALLOCNOW, 1944 #if defined(__FreeBSD__) && __FreeBSD_version >= 501102 1945 /*lockfunc*/busdma_lock_mutex, 1946 /*lockarg*/&Giant, 1947 #endif 1948 &sbp->dmat); 1949 if (error != 0) { 1950 printf("sbp_attach: Could not allocate DMA tag " 1951 "- error %d\n", error); 1952 return (ENOMEM); 1953 } 1954 1955 devq = cam_simq_alloc(/*maxopenings*/SBP_NUM_OCB); 1956 if (devq == NULL) 1957 return (ENXIO); 1958 1959 for( i = 0 ; i < SBP_NUM_TARGETS ; i++){ 1960 sbp->targets[i].fwdev = NULL; 1961 sbp->targets[i].luns = NULL; 1962 } 1963 1964 sbp->sim = cam_sim_alloc(sbp_action, sbp_poll, "sbp", sbp, 1965 device_get_unit(dev), 1966 /*untagged*/ 1, 1967 /*tagged*/ SBP_QUEUE_LEN - 1, 1968 devq); 1969 1970 if (sbp->sim == NULL) { 1971 cam_simq_free(devq); 1972 return (ENXIO); 1973 } 1974 1975 1976 if (xpt_bus_register(sbp->sim, /*bus*/0) != CAM_SUCCESS) 1977 goto fail; 1978 1979 if (xpt_create_path(&sbp->path, xpt_periph, cam_sim_path(sbp->sim), 1980 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 1981 xpt_bus_deregister(cam_sim_path(sbp->sim)); 1982 goto fail; 1983 } 1984 1985 /* We reserve 16 bit space (4 bytes X 64 targets X 256 luns) */ 1986 sbp->fwb.start = ((u_int64_t)SBP_BIND_HI << 32) | SBP_DEV2ADDR(0, 0); 1987 sbp->fwb.end = sbp->fwb.start + 0xffff; 1988 /* pre-allocate xfer */ 1989 STAILQ_INIT(&sbp->fwb.xferlist); 1990 fw_xferlist_add(&sbp->fwb.xferlist, M_SBP, 1991 /*send*/ 0, /*recv*/ SBP_RECV_LEN, SBP_NUM_OCB/2, 1992 sbp->fd.fc, (void *)sbp, sbp_recv); 1993 fw_bindadd(sbp->fd.fc, &sbp->fwb); 1994 1995 sbp->fd.post_busreset = sbp_post_busreset; 1996 sbp->fd.post_explore = sbp_post_explore; 1997 1998 if (sbp->fd.fc->status != -1) { 1999 s = splfw(); 2000 sbp_post_busreset((void *)sbp); 2001 sbp_post_explore((void *)sbp); 2002 splx(s); 2003 } 2004 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL); 2005 2006 return (0); 2007 fail: 2008 cam_sim_free(sbp->sim, /*free_devq*/TRUE); 2009 return (ENXIO); 2010 } 2011 2012 static int 2013 sbp_logout_all(struct sbp_softc *sbp) 2014 { 2015 struct sbp_target *target; 2016 struct sbp_dev *sdev; 2017 int i, j; 2018 2019 SBP_DEBUG(0) 2020 printf("sbp_logout_all\n"); 2021 END_DEBUG 2022 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) { 2023 target = &sbp->targets[i]; 2024 if (target->luns == NULL) 2025 continue; 2026 for (j = 0; j < target->num_lun; j++) { 2027 sdev = target->luns[j]; 2028 if (sdev == NULL) 2029 continue; 2030 callout_stop(&sdev->login_callout); 2031 if (sdev->status >= SBP_DEV_TOATTACH && 2032 sdev->status <= SBP_DEV_ATTACHED) 2033 sbp_mgm_orb(sdev, ORB_FUN_LGO, NULL); 2034 } 2035 } 2036 2037 return 0; 2038 } 2039 2040 static int 2041 sbp_shutdown(device_t dev) 2042 { 2043 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 2044 2045 sbp_logout_all(sbp); 2046 return (0); 2047 } 2048 2049 static void 2050 sbp_free_sdev(struct sbp_dev *sdev) 2051 { 2052 int i; 2053 2054 if (sdev == NULL) 2055 return; 2056 for (i = 0; i < SBP_QUEUE_LEN; i++) 2057 bus_dmamap_destroy(sdev->target->sbp->dmat, 2058 sdev->ocb[i].dmamap); 2059 fwdma_free(sdev->target->sbp->fd.fc, &sdev->dma); 2060 free(sdev, M_SBP); 2061 } 2062 2063 static void 2064 sbp_free_target(struct sbp_target *target) 2065 { 2066 struct sbp_softc *sbp; 2067 struct fw_xfer *xfer, *next; 2068 int i; 2069 2070 if (target->luns == NULL) 2071 return; 2072 callout_stop(&target->mgm_ocb_timeout); 2073 sbp = target->sbp; 2074 for (i = 0; i < target->num_lun; i++) 2075 sbp_free_sdev(target->luns[i]); 2076 2077 for (xfer = STAILQ_FIRST(&target->xferlist); 2078 xfer != NULL; xfer = next) { 2079 next = STAILQ_NEXT(xfer, link); 2080 fw_xfer_free_buf(xfer); 2081 } 2082 STAILQ_INIT(&target->xferlist); 2083 free(target->luns, M_SBP); 2084 target->num_lun = 0;; 2085 target->luns = NULL; 2086 target->fwdev = NULL; 2087 } 2088 2089 static int 2090 sbp_detach(device_t dev) 2091 { 2092 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 2093 struct firewire_comm *fc = sbp->fd.fc; 2094 int i; 2095 2096 SBP_DEBUG(0) 2097 printf("sbp_detach\n"); 2098 END_DEBUG 2099 2100 for (i = 0; i < SBP_NUM_TARGETS; i ++) 2101 sbp_cam_detach_target(&sbp->targets[i]); 2102 xpt_async(AC_LOST_DEVICE, sbp->path, NULL); 2103 xpt_free_path(sbp->path); 2104 xpt_bus_deregister(cam_sim_path(sbp->sim)); 2105 cam_sim_free(sbp->sim, /*free_devq*/ TRUE), 2106 2107 sbp_logout_all(sbp); 2108 2109 /* XXX wait for logout completion */ 2110 tsleep(&i, FWPRI, "sbpdtc", hz/2); 2111 2112 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) 2113 sbp_free_target(&sbp->targets[i]); 2114 2115 fw_bindremove(fc, &sbp->fwb); 2116 fw_xferlist_remove(&sbp->fwb.xferlist); 2117 2118 bus_dma_tag_destroy(sbp->dmat); 2119 2120 return (0); 2121 } 2122 2123 static void 2124 sbp_cam_detach_sdev(struct sbp_dev *sdev) 2125 { 2126 if (sdev == NULL) 2127 return; 2128 if (sdev->status == SBP_DEV_DEAD) 2129 return; 2130 if (sdev->status == SBP_DEV_RESET) 2131 return; 2132 if (sdev->path) { 2133 xpt_release_devq(sdev->path, 2134 sdev->freeze, TRUE); 2135 sdev->freeze = 0; 2136 xpt_async(AC_LOST_DEVICE, sdev->path, NULL); 2137 xpt_free_path(sdev->path); 2138 sdev->path = NULL; 2139 } 2140 sbp_abort_all_ocbs(sdev, CAM_DEV_NOT_THERE); 2141 } 2142 2143 static void 2144 sbp_cam_detach_target(struct sbp_target *target) 2145 { 2146 int i; 2147 2148 if (target->luns != NULL) { 2149 SBP_DEBUG(0) 2150 printf("sbp_detach_target %d\n", target->target_id); 2151 END_DEBUG 2152 callout_stop(&target->scan_callout); 2153 for (i = 0; i < target->num_lun; i++) 2154 sbp_cam_detach_sdev(target->luns[i]); 2155 } 2156 } 2157 2158 static void 2159 sbp_target_reset(struct sbp_dev *sdev, int method) 2160 { 2161 int i; 2162 struct sbp_target *target = sdev->target; 2163 struct sbp_dev *tsdev; 2164 2165 for (i = 0; i < target->num_lun; i++) { 2166 tsdev = target->luns[i]; 2167 if (tsdev == NULL) 2168 continue; 2169 if (tsdev->status == SBP_DEV_DEAD) 2170 continue; 2171 if (tsdev->status == SBP_DEV_RESET) 2172 continue; 2173 xpt_freeze_devq(tsdev->path, 1); 2174 tsdev->freeze ++; 2175 sbp_abort_all_ocbs(tsdev, CAM_CMD_TIMEOUT); 2176 if (method == 2) 2177 tsdev->status = SBP_DEV_LOGIN; 2178 } 2179 switch(method) { 2180 case 1: 2181 printf("target reset\n"); 2182 sbp_mgm_orb(sdev, ORB_FUN_RST, NULL); 2183 break; 2184 case 2: 2185 printf("reset start\n"); 2186 sbp_reset_start(sdev); 2187 break; 2188 } 2189 2190 } 2191 2192 static void 2193 sbp_mgm_timeout(void *arg) 2194 { 2195 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 2196 struct sbp_dev *sdev = ocb->sdev; 2197 struct sbp_target *target = sdev->target; 2198 2199 sbp_show_sdev_info(sdev, 2); 2200 printf("request timeout(mgm orb:0x%08x) ... ", 2201 (uint32_t)ocb->bus_addr); 2202 target->mgm_ocb_cur = NULL; 2203 sbp_free_ocb(sdev, ocb); 2204 #if 0 2205 /* XXX */ 2206 printf("run next request\n"); 2207 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 2208 #endif 2209 #if 1 2210 printf("reset start\n"); 2211 sbp_reset_start(sdev); 2212 #endif 2213 } 2214 2215 static void 2216 sbp_timeout(void *arg) 2217 { 2218 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 2219 struct sbp_dev *sdev = ocb->sdev; 2220 2221 sbp_show_sdev_info(sdev, 2); 2222 printf("request timeout(cmd orb:0x%08x) ... ", 2223 (uint32_t)ocb->bus_addr); 2224 2225 sdev->timeout ++; 2226 switch(sdev->timeout) { 2227 case 1: 2228 printf("agent reset\n"); 2229 xpt_freeze_devq(sdev->path, 1); 2230 sdev->freeze ++; 2231 sbp_abort_all_ocbs(sdev, CAM_CMD_TIMEOUT); 2232 sbp_agent_reset(sdev); 2233 break; 2234 case 2: 2235 case 3: 2236 sbp_target_reset(sdev, sdev->timeout - 1); 2237 break; 2238 #if 0 2239 default: 2240 /* XXX give up */ 2241 sbp_cam_detach_target(target); 2242 if (target->luns != NULL) 2243 free(target->luns, M_SBP); 2244 target->num_lun = 0;; 2245 target->luns = NULL; 2246 target->fwdev = NULL; 2247 #endif 2248 } 2249 } 2250 2251 static void 2252 sbp_action1(struct cam_sim *sim, union ccb *ccb) 2253 { 2254 2255 struct sbp_softc *sbp = (struct sbp_softc *)sim->softc; 2256 struct sbp_target *target = NULL; 2257 struct sbp_dev *sdev = NULL; 2258 2259 /* target:lun -> sdev mapping */ 2260 if (sbp != NULL 2261 && ccb->ccb_h.target_id != CAM_TARGET_WILDCARD 2262 && ccb->ccb_h.target_id < SBP_NUM_TARGETS) { 2263 target = &sbp->targets[ccb->ccb_h.target_id]; 2264 if (target->fwdev != NULL 2265 && ccb->ccb_h.target_lun != CAM_LUN_WILDCARD 2266 && ccb->ccb_h.target_lun < target->num_lun) { 2267 sdev = target->luns[ccb->ccb_h.target_lun]; 2268 if (sdev != NULL && sdev->status != SBP_DEV_ATTACHED && 2269 sdev->status != SBP_DEV_PROBE) 2270 sdev = NULL; 2271 } 2272 } 2273 2274 SBP_DEBUG(1) 2275 if (sdev == NULL) 2276 printf("invalid target %d lun %d\n", 2277 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2278 END_DEBUG 2279 2280 switch (ccb->ccb_h.func_code) { 2281 case XPT_SCSI_IO: 2282 case XPT_RESET_DEV: 2283 case XPT_GET_TRAN_SETTINGS: 2284 case XPT_SET_TRAN_SETTINGS: 2285 case XPT_CALC_GEOMETRY: 2286 if (sdev == NULL) { 2287 SBP_DEBUG(1) 2288 printf("%s:%d:%d:func_code 0x%04x: " 2289 "Invalid target (target needed)\n", 2290 device_get_nameunit(sbp->fd.dev), 2291 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2292 ccb->ccb_h.func_code); 2293 END_DEBUG 2294 2295 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2296 xpt_done(ccb); 2297 return; 2298 } 2299 break; 2300 case XPT_PATH_INQ: 2301 case XPT_NOOP: 2302 /* The opcodes sometimes aimed at a target (sc is valid), 2303 * sometimes aimed at the SIM (sc is invalid and target is 2304 * CAM_TARGET_WILDCARD) 2305 */ 2306 if (sbp == NULL && 2307 ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) { 2308 SBP_DEBUG(0) 2309 printf("%s:%d:%d func_code 0x%04x: " 2310 "Invalid target (no wildcard)\n", 2311 device_get_nameunit(sbp->fd.dev), 2312 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2313 ccb->ccb_h.func_code); 2314 END_DEBUG 2315 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2316 xpt_done(ccb); 2317 return; 2318 } 2319 break; 2320 default: 2321 /* XXX Hm, we should check the input parameters */ 2322 break; 2323 } 2324 2325 switch (ccb->ccb_h.func_code) { 2326 case XPT_SCSI_IO: 2327 { 2328 struct ccb_scsiio *csio; 2329 struct sbp_ocb *ocb; 2330 int speed; 2331 void *cdb; 2332 2333 csio = &ccb->csio; 2334 2335 SBP_DEBUG(2) 2336 printf("%s:%d:%d XPT_SCSI_IO: " 2337 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 2338 ", flags: 0x%02x, " 2339 "%db cmd/%db data/%db sense\n", 2340 device_get_nameunit(sbp->fd.dev), 2341 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2342 csio->cdb_io.cdb_bytes[0], 2343 csio->cdb_io.cdb_bytes[1], 2344 csio->cdb_io.cdb_bytes[2], 2345 csio->cdb_io.cdb_bytes[3], 2346 csio->cdb_io.cdb_bytes[4], 2347 csio->cdb_io.cdb_bytes[5], 2348 csio->cdb_io.cdb_bytes[6], 2349 csio->cdb_io.cdb_bytes[7], 2350 csio->cdb_io.cdb_bytes[8], 2351 csio->cdb_io.cdb_bytes[9], 2352 ccb->ccb_h.flags & CAM_DIR_MASK, 2353 csio->cdb_len, csio->dxfer_len, 2354 csio->sense_len); 2355 END_DEBUG 2356 if(sdev == NULL){ 2357 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2358 xpt_done(ccb); 2359 return; 2360 } 2361 #if 0 2362 /* if we are in probe stage, pass only probe commands */ 2363 if (sdev->status == SBP_DEV_PROBE) { 2364 char *name; 2365 name = xpt_path_periph(ccb->ccb_h.path)->periph_name; 2366 printf("probe stage, periph name: %s\n", name); 2367 if (strcmp(name, "probe") != 0) { 2368 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2369 xpt_done(ccb); 2370 return; 2371 } 2372 } 2373 #endif 2374 if ((ocb = sbp_get_ocb(sdev)) == NULL) { 2375 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2376 if (sdev->freeze == 0) { 2377 xpt_freeze_devq(sdev->path, 1); 2378 sdev->freeze ++; 2379 } 2380 xpt_done(ccb); 2381 return; 2382 } 2383 2384 ocb->flags = OCB_ACT_CMD; 2385 ocb->sdev = sdev; 2386 ocb->ccb = ccb; 2387 ccb->ccb_h.ccb_sdev_ptr = sdev; 2388 ocb->orb[0] = htonl(1 << 31); 2389 ocb->orb[1] = 0; 2390 ocb->orb[2] = htonl(((sbp->fd.fc->nodeid | FWLOCALBUS )<< 16) ); 2391 ocb->orb[3] = htonl(ocb->bus_addr + IND_PTR_OFFSET); 2392 speed = min(target->fwdev->speed, max_speed); 2393 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_CMD_SPD(speed) 2394 | ORB_CMD_MAXP(speed + 7)); 2395 if((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN){ 2396 ocb->orb[4] |= htonl(ORB_CMD_IN); 2397 } 2398 2399 if (csio->ccb_h.flags & CAM_SCATTER_VALID) 2400 printf("sbp: CAM_SCATTER_VALID\n"); 2401 if (csio->ccb_h.flags & CAM_DATA_PHYS) 2402 printf("sbp: CAM_DATA_PHYS\n"); 2403 2404 if (csio->ccb_h.flags & CAM_CDB_POINTER) 2405 cdb = (void *)csio->cdb_io.cdb_ptr; 2406 else 2407 cdb = (void *)&csio->cdb_io.cdb_bytes; 2408 bcopy(cdb, (void *)&ocb->orb[5], csio->cdb_len); 2409 /* 2410 printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[0]), ntohl(ocb->orb[1]), ntohl(ocb->orb[2]), ntohl(ocb->orb[3])); 2411 printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[4]), ntohl(ocb->orb[5]), ntohl(ocb->orb[6]), ntohl(ocb->orb[7])); 2412 */ 2413 if (ccb->csio.dxfer_len > 0) { 2414 int s, error; 2415 2416 s = splsoftvm(); 2417 error = bus_dmamap_load(/*dma tag*/sbp->dmat, 2418 /*dma map*/ocb->dmamap, 2419 ccb->csio.data_ptr, 2420 ccb->csio.dxfer_len, 2421 sbp_execute_ocb, 2422 ocb, 2423 /*flags*/0); 2424 splx(s); 2425 if (error) 2426 printf("sbp: bus_dmamap_load error %d\n", error); 2427 } else 2428 sbp_execute_ocb(ocb, NULL, 0, 0); 2429 break; 2430 } 2431 case XPT_CALC_GEOMETRY: 2432 { 2433 struct ccb_calc_geometry *ccg; 2434 #if defined(__DragonFly__) || __FreeBSD_version < 501100 2435 uint32_t size_mb; 2436 uint32_t secs_per_cylinder; 2437 int extended = 1; 2438 #endif 2439 2440 ccg = &ccb->ccg; 2441 if (ccg->block_size == 0) { 2442 printf("sbp_action1: block_size is 0.\n"); 2443 ccb->ccb_h.status = CAM_REQ_INVALID; 2444 xpt_done(ccb); 2445 break; 2446 } 2447 SBP_DEBUG(1) 2448 printf("%s:%d:%d:%d:XPT_CALC_GEOMETRY: " 2449 #if defined(__DragonFly__) || __FreeBSD_version < 500000 2450 "Volume size = %d\n", 2451 #else 2452 "Volume size = %jd\n", 2453 #endif 2454 device_get_nameunit(sbp->fd.dev), 2455 cam_sim_path(sbp->sim), 2456 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2457 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000 2458 (uintmax_t) 2459 #endif 2460 ccg->volume_size); 2461 END_DEBUG 2462 2463 #if defined(__DragonFly__) || __FreeBSD_version < 501100 2464 size_mb = ccg->volume_size 2465 / ((1024L * 1024L) / ccg->block_size); 2466 2467 if (size_mb > 1024 && extended) { 2468 ccg->heads = 255; 2469 ccg->secs_per_track = 63; 2470 } else { 2471 ccg->heads = 64; 2472 ccg->secs_per_track = 32; 2473 } 2474 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 2475 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 2476 ccb->ccb_h.status = CAM_REQ_CMP; 2477 #else 2478 cam_calc_geometry(ccg, /*extended*/1); 2479 #endif 2480 xpt_done(ccb); 2481 break; 2482 } 2483 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 2484 { 2485 2486 SBP_DEBUG(1) 2487 printf("%s:%d:XPT_RESET_BUS: \n", 2488 device_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim)); 2489 END_DEBUG 2490 2491 ccb->ccb_h.status = CAM_REQ_INVALID; 2492 xpt_done(ccb); 2493 break; 2494 } 2495 case XPT_PATH_INQ: /* Path routing inquiry */ 2496 { 2497 struct ccb_pathinq *cpi = &ccb->cpi; 2498 2499 SBP_DEBUG(1) 2500 printf("%s:%d:%d XPT_PATH_INQ:.\n", 2501 device_get_nameunit(sbp->fd.dev), 2502 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2503 END_DEBUG 2504 cpi->version_num = 1; /* XXX??? */ 2505 cpi->hba_inquiry = PI_TAG_ABLE; 2506 cpi->target_sprt = 0; 2507 cpi->hba_misc = PIM_NOBUSRESET | PIM_NO_6_BYTE; 2508 cpi->hba_eng_cnt = 0; 2509 cpi->max_target = SBP_NUM_TARGETS - 1; 2510 cpi->max_lun = SBP_NUM_LUNS - 1; 2511 cpi->initiator_id = SBP_INITIATOR; 2512 cpi->bus_id = sim->bus_id; 2513 cpi->base_transfer_speed = 400 * 1000 / 8; 2514 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 2515 strncpy(cpi->hba_vid, "SBP", HBA_IDLEN); 2516 strncpy(cpi->dev_name, sim->sim_name, DEV_IDLEN); 2517 cpi->unit_number = sim->unit_number; 2518 2519 cpi->ccb_h.status = CAM_REQ_CMP; 2520 xpt_done(ccb); 2521 break; 2522 } 2523 case XPT_GET_TRAN_SETTINGS: 2524 { 2525 struct ccb_trans_settings *cts = &ccb->cts; 2526 SBP_DEBUG(1) 2527 printf("%s:%d:%d XPT_GET_TRAN_SETTINGS:.\n", 2528 device_get_nameunit(sbp->fd.dev), 2529 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2530 END_DEBUG 2531 /* Enable disconnect and tagged queuing */ 2532 cts->valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID; 2533 cts->flags = CCB_TRANS_DISC_ENB | CCB_TRANS_TAG_ENB; 2534 2535 cts->ccb_h.status = CAM_REQ_CMP; 2536 xpt_done(ccb); 2537 break; 2538 } 2539 case XPT_ABORT: 2540 ccb->ccb_h.status = CAM_UA_ABORT; 2541 xpt_done(ccb); 2542 break; 2543 case XPT_SET_TRAN_SETTINGS: 2544 /* XXX */ 2545 default: 2546 ccb->ccb_h.status = CAM_REQ_INVALID; 2547 xpt_done(ccb); 2548 break; 2549 } 2550 return; 2551 } 2552 2553 static void 2554 sbp_action(struct cam_sim *sim, union ccb *ccb) 2555 { 2556 int s; 2557 2558 s = splfw(); 2559 sbp_action1(sim, ccb); 2560 splx(s); 2561 } 2562 2563 static void 2564 sbp_execute_ocb(void *arg, bus_dma_segment_t *segments, int seg, int error) 2565 { 2566 int i; 2567 struct sbp_ocb *ocb; 2568 struct sbp_ocb *prev; 2569 bus_dma_segment_t *s; 2570 2571 if (error) 2572 printf("sbp_execute_ocb: error=%d\n", error); 2573 2574 ocb = (struct sbp_ocb *)arg; 2575 2576 SBP_DEBUG(2) 2577 printf("sbp_execute_ocb: seg %d", seg); 2578 for (i = 0; i < seg; i++) 2579 #if defined(__DragonFly__) || __FreeBSD_version < 500000 2580 printf(", %x:%d", segments[i].ds_addr, segments[i].ds_len); 2581 #else 2582 printf(", %jx:%jd", (uintmax_t)segments[i].ds_addr, 2583 (uintmax_t)segments[i].ds_len); 2584 #endif 2585 printf("\n"); 2586 END_DEBUG 2587 2588 if (seg == 1) { 2589 /* direct pointer */ 2590 s = &segments[0]; 2591 if (s->ds_len > SBP_SEG_MAX) 2592 panic("ds_len > SBP_SEG_MAX, fix busdma code"); 2593 ocb->orb[3] = htonl(s->ds_addr); 2594 ocb->orb[4] |= htonl(s->ds_len); 2595 } else if(seg > 1) { 2596 /* page table */ 2597 for (i = 0; i < seg; i++) { 2598 s = &segments[i]; 2599 SBP_DEBUG(0) 2600 /* XXX LSI Logic "< 16 byte" bug might be hit */ 2601 if (s->ds_len < 16) 2602 printf("sbp_execute_ocb: warning, " 2603 #if defined(__DragonFly__) || __FreeBSD_version < 500000 2604 "segment length(%d) is less than 16." 2605 #else 2606 "segment length(%zd) is less than 16." 2607 #endif 2608 "(seg=%d/%d)\n", s->ds_len, i+1, seg); 2609 END_DEBUG 2610 if (s->ds_len > SBP_SEG_MAX) 2611 panic("ds_len > SBP_SEG_MAX, fix busdma code"); 2612 ocb->ind_ptr[i].hi = htonl(s->ds_len << 16); 2613 ocb->ind_ptr[i].lo = htonl(s->ds_addr); 2614 } 2615 ocb->orb[4] |= htonl(ORB_CMD_PTBL | seg); 2616 } 2617 2618 if (seg > 0) 2619 bus_dmamap_sync(ocb->sdev->target->sbp->dmat, ocb->dmamap, 2620 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2621 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE); 2622 prev = sbp_enqueue_ocb(ocb->sdev, ocb); 2623 fwdma_sync(&ocb->sdev->dma, BUS_DMASYNC_PREWRITE); 2624 if (use_doorbell) { 2625 if (prev == NULL) { 2626 if (ocb->sdev->last_ocb != NULL) 2627 sbp_doorbell(ocb->sdev); 2628 else 2629 sbp_orb_pointer(ocb->sdev, ocb); 2630 } 2631 } else { 2632 if (prev == NULL || (ocb->sdev->flags & ORB_LINK_DEAD) != 0) { 2633 ocb->sdev->flags &= ~ORB_LINK_DEAD; 2634 sbp_orb_pointer(ocb->sdev, ocb); 2635 } 2636 } 2637 } 2638 2639 static void 2640 sbp_poll(struct cam_sim *sim) 2641 { 2642 struct sbp_softc *sbp; 2643 struct firewire_comm *fc; 2644 2645 sbp = (struct sbp_softc *)sim->softc; 2646 fc = sbp->fd.fc; 2647 2648 fc->poll(fc, 0, -1); 2649 2650 return; 2651 } 2652 2653 static struct sbp_ocb * 2654 sbp_dequeue_ocb(struct sbp_dev *sdev, struct sbp_status *sbp_status) 2655 { 2656 struct sbp_ocb *ocb; 2657 struct sbp_ocb *next; 2658 int s = splfw(), order = 0; 2659 int flags; 2660 2661 SBP_DEBUG(1) 2662 sbp_show_sdev_info(sdev, 2); 2663 #if defined(__DragonFly__) || __FreeBSD_version < 500000 2664 printf("%s: 0x%08lx src %d\n", 2665 #else 2666 printf("%s: 0x%08x src %d\n", 2667 #endif 2668 __func__, ntohl(sbp_status->orb_lo), sbp_status->src); 2669 END_DEBUG 2670 for (ocb = STAILQ_FIRST(&sdev->ocbs); ocb != NULL; ocb = next) { 2671 next = STAILQ_NEXT(ocb, ocb); 2672 flags = ocb->flags; 2673 if (OCB_MATCH(ocb, sbp_status)) { 2674 /* found */ 2675 STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb); 2676 if (ocb->ccb != NULL) 2677 untimeout(sbp_timeout, (caddr_t)ocb, 2678 ocb->ccb->ccb_h.timeout_ch); 2679 if (ntohl(ocb->orb[4]) & 0xffff) { 2680 bus_dmamap_sync(sdev->target->sbp->dmat, 2681 ocb->dmamap, 2682 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2683 BUS_DMASYNC_POSTREAD : 2684 BUS_DMASYNC_POSTWRITE); 2685 bus_dmamap_unload(sdev->target->sbp->dmat, 2686 ocb->dmamap); 2687 } 2688 if (!use_doorbell) { 2689 if (sbp_status->src == SRC_NO_NEXT) { 2690 if (next != NULL) 2691 sbp_orb_pointer(sdev, next); 2692 else if (order > 0) { 2693 /* 2694 * Unordered execution 2695 * We need to send pointer for 2696 * next ORB 2697 */ 2698 sdev->flags |= ORB_LINK_DEAD; 2699 } 2700 } 2701 } else { 2702 /* 2703 * XXX this is not correct for unordered 2704 * execution. 2705 */ 2706 if (sdev->last_ocb != NULL) 2707 sbp_free_ocb(sdev, sdev->last_ocb); 2708 sdev->last_ocb = ocb; 2709 if (next != NULL && 2710 sbp_status->src == SRC_NO_NEXT) 2711 sbp_doorbell(sdev); 2712 } 2713 break; 2714 } else 2715 order ++; 2716 } 2717 splx(s); 2718 SBP_DEBUG(0) 2719 if (ocb && order > 0) { 2720 sbp_show_sdev_info(sdev, 2); 2721 printf("unordered execution order:%d\n", order); 2722 } 2723 END_DEBUG 2724 return (ocb); 2725 } 2726 2727 static struct sbp_ocb * 2728 sbp_enqueue_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 2729 { 2730 int s = splfw(); 2731 struct sbp_ocb *prev, *prev2; 2732 2733 SBP_DEBUG(1) 2734 sbp_show_sdev_info(sdev, 2); 2735 #if defined(__DragonFly__) || __FreeBSD_version < 500000 2736 printf("%s: 0x%08x\n", __func__, ocb->bus_addr); 2737 #else 2738 printf("%s: 0x%08jx\n", __func__, (uintmax_t)ocb->bus_addr); 2739 #endif 2740 END_DEBUG 2741 prev2 = prev = STAILQ_LAST(&sdev->ocbs, sbp_ocb, ocb); 2742 STAILQ_INSERT_TAIL(&sdev->ocbs, ocb, ocb); 2743 2744 if (ocb->ccb != NULL) 2745 ocb->ccb->ccb_h.timeout_ch = timeout(sbp_timeout, (caddr_t)ocb, 2746 (ocb->ccb->ccb_h.timeout * hz) / 1000); 2747 2748 if (use_doorbell && prev == NULL) 2749 prev2 = sdev->last_ocb; 2750 2751 if (prev2 != NULL) { 2752 SBP_DEBUG(2) 2753 #if defined(__DragonFly__) || __FreeBSD_version < 500000 2754 printf("linking chain 0x%x -> 0x%x\n", 2755 prev2->bus_addr, ocb->bus_addr); 2756 #else 2757 printf("linking chain 0x%jx -> 0x%jx\n", 2758 (uintmax_t)prev2->bus_addr, (uintmax_t)ocb->bus_addr); 2759 #endif 2760 END_DEBUG 2761 /* 2762 * Suppress compiler optimization so that orb[1] must be written first. 2763 * XXX We may need an explicit memory barrier for other architectures 2764 * other than i386/amd64. 2765 */ 2766 *(volatile uint32_t *)&prev2->orb[1] = htonl(ocb->bus_addr); 2767 *(volatile uint32_t *)&prev2->orb[0] = 0; 2768 } 2769 splx(s); 2770 2771 return prev; 2772 } 2773 2774 static struct sbp_ocb * 2775 sbp_get_ocb(struct sbp_dev *sdev) 2776 { 2777 struct sbp_ocb *ocb; 2778 int s = splfw(); 2779 ocb = STAILQ_FIRST(&sdev->free_ocbs); 2780 if (ocb == NULL) { 2781 sdev->flags |= ORB_SHORTAGE; 2782 printf("ocb shortage!!!\n"); 2783 splx(s); 2784 return NULL; 2785 } 2786 STAILQ_REMOVE_HEAD(&sdev->free_ocbs, ocb); 2787 splx(s); 2788 ocb->ccb = NULL; 2789 return (ocb); 2790 } 2791 2792 static void 2793 sbp_free_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 2794 { 2795 ocb->flags = 0; 2796 ocb->ccb = NULL; 2797 STAILQ_INSERT_TAIL(&sdev->free_ocbs, ocb, ocb); 2798 if ((sdev->flags & ORB_SHORTAGE) != 0) { 2799 int count; 2800 2801 sdev->flags &= ~ORB_SHORTAGE; 2802 count = sdev->freeze; 2803 sdev->freeze = 0; 2804 xpt_release_devq(sdev->path, count, TRUE); 2805 } 2806 } 2807 2808 static void 2809 sbp_abort_ocb(struct sbp_ocb *ocb, int status) 2810 { 2811 struct sbp_dev *sdev; 2812 2813 sdev = ocb->sdev; 2814 SBP_DEBUG(0) 2815 sbp_show_sdev_info(sdev, 2); 2816 #if defined(__DragonFly__) || __FreeBSD_version < 500000 2817 printf("sbp_abort_ocb 0x%x\n", ocb->bus_addr); 2818 #else 2819 printf("sbp_abort_ocb 0x%jx\n", (uintmax_t)ocb->bus_addr); 2820 #endif 2821 END_DEBUG 2822 SBP_DEBUG(1) 2823 if (ocb->ccb != NULL) 2824 sbp_print_scsi_cmd(ocb); 2825 END_DEBUG 2826 if (ntohl(ocb->orb[4]) & 0xffff) { 2827 bus_dmamap_sync(sdev->target->sbp->dmat, ocb->dmamap, 2828 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2829 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 2830 bus_dmamap_unload(sdev->target->sbp->dmat, ocb->dmamap); 2831 } 2832 if (ocb->ccb != NULL) { 2833 untimeout(sbp_timeout, (caddr_t)ocb, 2834 ocb->ccb->ccb_h.timeout_ch); 2835 ocb->ccb->ccb_h.status = status; 2836 xpt_done(ocb->ccb); 2837 } 2838 sbp_free_ocb(sdev, ocb); 2839 } 2840 2841 static void 2842 sbp_abort_all_ocbs(struct sbp_dev *sdev, int status) 2843 { 2844 int s; 2845 struct sbp_ocb *ocb, *next; 2846 STAILQ_HEAD(, sbp_ocb) temp; 2847 2848 s = splfw(); 2849 2850 bcopy(&sdev->ocbs, &temp, sizeof(temp)); 2851 STAILQ_INIT(&sdev->ocbs); 2852 for (ocb = STAILQ_FIRST(&temp); ocb != NULL; ocb = next) { 2853 next = STAILQ_NEXT(ocb, ocb); 2854 sbp_abort_ocb(ocb, status); 2855 } 2856 if (sdev->last_ocb != NULL) { 2857 sbp_free_ocb(sdev, sdev->last_ocb); 2858 sdev->last_ocb = NULL; 2859 } 2860 2861 splx(s); 2862 } 2863 2864 static devclass_t sbp_devclass; 2865 2866 static device_method_t sbp_methods[] = { 2867 /* device interface */ 2868 DEVMETHOD(device_identify, sbp_identify), 2869 DEVMETHOD(device_probe, sbp_probe), 2870 DEVMETHOD(device_attach, sbp_attach), 2871 DEVMETHOD(device_detach, sbp_detach), 2872 DEVMETHOD(device_shutdown, sbp_shutdown), 2873 2874 { 0, 0 } 2875 }; 2876 2877 static driver_t sbp_driver = { 2878 "sbp", 2879 sbp_methods, 2880 sizeof(struct sbp_softc), 2881 }; 2882 #ifdef __DragonFly__ 2883 DECLARE_DUMMY_MODULE(sbp); 2884 #endif 2885 DRIVER_MODULE(sbp, firewire, sbp_driver, sbp_devclass, 0, 0); 2886 MODULE_VERSION(sbp, 1); 2887 MODULE_DEPEND(sbp, firewire, 1, 1, 1); 2888 MODULE_DEPEND(sbp, cam, 1, 1, 1);
Cache object: 2c6079dcf888f63691b078a4654a5037
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