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: src/sys/dev/firewire/sbp.c,v 1.74 2004/01/08 14:58:09 simokawa Exp $ 35 * $DragonFly: src/sys/dev/disk/sbp/sbp.c,v 1.14 2005/06/02 20:40:42 dillon Exp $ 36 * 37 */ 38 39 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/conf.h> 42 #include <sys/module.h> 43 #include <sys/bus.h> 44 #include <sys/kernel.h> 45 #include <sys/sysctl.h> 46 #include <machine/bus.h> 47 #include <sys/malloc.h> 48 #if defined(__FreeBSD__) && __FreeBSD_version >= 501102 49 #include <sys/lock.h> 50 #include <sys/mutex.h> 51 #endif 52 53 #if defined(__DragonFly__) || __FreeBSD_version < 500106 54 #include <sys/devicestat.h> /* for struct devstat */ 55 #endif 56 #include <sys/thread2.h> 57 58 #ifdef __DragonFly__ 59 #include <bus/cam/cam.h> 60 #include <bus/cam/cam_ccb.h> 61 #include <bus/cam/cam_sim.h> 62 #include <bus/cam/cam_xpt_sim.h> 63 #include <bus/cam/cam_debug.h> 64 #include <bus/cam/cam_periph.h> 65 #include <bus/cam/scsi/scsi_all.h> 66 67 #include <bus/firewire/firewire.h> 68 #include <bus/firewire/firewirereg.h> 69 #include <bus/firewire/fwdma.h> 70 #include <bus/firewire/iec13213.h> 71 #include "sbp.h" 72 #else 73 #include <cam/cam.h> 74 #include <cam/cam_ccb.h> 75 #include <cam/cam_sim.h> 76 #include <cam/cam_xpt_sim.h> 77 #include <cam/cam_debug.h> 78 #include <cam/cam_periph.h> 79 #include <cam/scsi/scsi_all.h> 80 #endif 81 82 #define ccb_sdev_ptr spriv_ptr0 83 #define ccb_sbp_ptr spriv_ptr1 84 85 #define SBP_NUM_TARGETS 8 /* MAX 64 */ 86 /* 87 * Scan_bus doesn't work for more than 8 LUNs 88 * because of CAM_SCSI2_MAXLUN in cam_xpt.c 89 */ 90 #define SBP_NUM_LUNS 64 91 #define SBP_DMA_SIZE PAGE_SIZE 92 #define SBP_LOGIN_SIZE sizeof(struct sbp_login_res) 93 #define SBP_QUEUE_LEN ((SBP_DMA_SIZE - SBP_LOGIN_SIZE) / sizeof(struct sbp_ocb)) 94 #define SBP_NUM_OCB (SBP_QUEUE_LEN * SBP_NUM_TARGETS) 95 96 /* 97 * STATUS FIFO addressing 98 * bit 99 * ----------------------- 100 * 0- 1( 2): 0 (alingment) 101 * 2- 7( 6): target 102 * 8-15( 8): lun 103 * 16-31( 8): reserved 104 * 32-47(16): SBP_BIND_HI 105 * 48-64(16): bus_id, node_id 106 */ 107 #define SBP_BIND_HI 0x1 108 #define SBP_DEV2ADDR(t, l) \ 109 (((u_int64_t)SBP_BIND_HI << 32) \ 110 | (((l) & 0xff) << 8) \ 111 | (((t) & 0x3f) << 2)) 112 #define SBP_ADDR2TRG(a) (((a) >> 2) & 0x3f) 113 #define SBP_ADDR2LUN(a) (((a) >> 8) & 0xff) 114 #define SBP_INITIATOR 7 115 116 static char *orb_fun_name[] = { 117 ORB_FUN_NAMES 118 }; 119 120 static int debug = 0; 121 static int auto_login = 1; 122 static int max_speed = -1; 123 static int sbp_cold = 1; 124 static int ex_login = 1; 125 static int login_delay = 1000; /* msec */ 126 static int scan_delay = 500; /* msec */ 127 static int sbp_tags = 0; 128 129 SYSCTL_DECL(_hw_firewire); 130 SYSCTL_NODE(_hw_firewire, OID_AUTO, sbp, CTLFLAG_RD, 0, "SBP-II Subsystem"); 131 SYSCTL_INT(_debug, OID_AUTO, sbp_debug, CTLFLAG_RW, &debug, 0, 132 "SBP debug flag"); 133 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, auto_login, CTLFLAG_RW, &auto_login, 0, 134 "SBP perform login automatically"); 135 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, max_speed, CTLFLAG_RW, &max_speed, 0, 136 "SBP transfer max speed"); 137 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, exclusive_login, CTLFLAG_RW, 138 &ex_login, 0, "SBP transfer max speed"); 139 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, login_delay, CTLFLAG_RW, 140 &login_delay, 0, "SBP login delay in msec"); 141 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, scan_delay, CTLFLAG_RW, 142 &scan_delay, 0, "SBP scan delay in msec"); 143 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, tags, CTLFLAG_RW, &sbp_tags, 0, 144 "SBP tagged queuing support"); 145 146 TUNABLE_INT("hw.firewire.sbp.auto_login", &auto_login); 147 TUNABLE_INT("hw.firewire.sbp.max_speed", &max_speed); 148 TUNABLE_INT("hw.firewire.sbp.exclusive_login", &ex_login); 149 TUNABLE_INT("hw.firewire.sbp.login_delay", &login_delay); 150 TUNABLE_INT("hw.firewire.sbp.scan_delay", &scan_delay); 151 TUNABLE_INT("hw.firewire.sbp.tags", &sbp_tags); 152 153 #define NEED_RESPONSE 0 154 155 #define SBP_SEG_MAX rounddown(0xffff, PAGE_SIZE) 156 #ifdef __sparc64__ /* iommu */ 157 #define SBP_IND_MAX howmany(MAXPHYS, SBP_SEG_MAX) 158 #else 159 #define SBP_IND_MAX howmany(MAXPHYS, PAGE_SIZE) 160 #endif 161 struct sbp_ocb { 162 STAILQ_ENTRY(sbp_ocb) ocb; 163 union ccb *ccb; 164 bus_addr_t bus_addr; 165 u_int32_t orb[8]; 166 #define IND_PTR_OFFSET (8*sizeof(u_int32_t)) 167 struct ind_ptr ind_ptr[SBP_IND_MAX]; 168 struct sbp_dev *sdev; 169 int flags; /* XXX should be removed */ 170 bus_dmamap_t dmamap; 171 }; 172 173 #define OCB_ACT_MGM 0 174 #define OCB_ACT_CMD 1 175 #define OCB_MATCH(o,s) ((o)->bus_addr == ntohl((s)->orb_lo)) 176 177 struct sbp_dev{ 178 #define SBP_DEV_RESET 0 /* accept login */ 179 #define SBP_DEV_LOGIN 1 /* to login */ 180 #if 0 181 #define SBP_DEV_RECONN 2 /* to reconnect */ 182 #endif 183 #define SBP_DEV_TOATTACH 3 /* to attach */ 184 #define SBP_DEV_PROBE 4 /* scan lun */ 185 #define SBP_DEV_ATTACHED 5 /* in operation */ 186 #define SBP_DEV_DEAD 6 /* unavailable unit */ 187 #define SBP_DEV_RETRY 7 /* unavailable unit */ 188 u_int8_t status:4, 189 timeout:4; 190 u_int8_t type; 191 u_int16_t lun_id; 192 u_int16_t freeze; 193 #define ORB_LINK_DEAD (1 << 0) 194 #define VALID_LUN (1 << 1) 195 #define ORB_POINTER_ACTIVE (1 << 2) 196 #define ORB_POINTER_NEED (1 << 3) 197 u_int16_t flags; 198 struct cam_path *path; 199 struct sbp_target *target; 200 struct fwdma_alloc dma; 201 struct sbp_login_res *login; 202 struct callout login_callout; 203 struct sbp_ocb *ocb; 204 STAILQ_HEAD(, sbp_ocb) ocbs; 205 STAILQ_HEAD(, sbp_ocb) free_ocbs; 206 char vendor[32]; 207 char product[32]; 208 char revision[10]; 209 }; 210 211 struct sbp_target { 212 int target_id; 213 int num_lun; 214 struct sbp_dev **luns; 215 struct sbp_softc *sbp; 216 struct fw_device *fwdev; 217 u_int32_t mgm_hi, mgm_lo; 218 struct sbp_ocb *mgm_ocb_cur; 219 STAILQ_HEAD(, sbp_ocb) mgm_ocb_queue; 220 struct callout mgm_ocb_timeout; 221 struct callout scan_callout; 222 STAILQ_HEAD(, fw_xfer) xferlist; 223 int n_xfer; 224 }; 225 226 struct sbp_softc { 227 struct firewire_dev_comm fd; 228 struct cam_sim *sim; 229 struct cam_path *path; 230 struct sbp_target targets[SBP_NUM_TARGETS]; 231 struct fw_bind fwb; 232 bus_dma_tag_t dmat; 233 struct timeval last_busreset; 234 #define SIMQ_FREEZED 1 235 int flags; 236 }; 237 238 static void sbp_post_explore (void *); 239 static void sbp_recv (struct fw_xfer *); 240 static void sbp_mgm_callback (struct fw_xfer *); 241 #if 0 242 static void sbp_cmd_callback (struct fw_xfer *); 243 #endif 244 static void sbp_orb_pointer (struct sbp_dev *, struct sbp_ocb *); 245 static void sbp_execute_ocb (void *, bus_dma_segment_t *, int, int); 246 static void sbp_free_ocb (struct sbp_dev *, struct sbp_ocb *); 247 static void sbp_abort_ocb (struct sbp_ocb *, int); 248 static void sbp_abort_all_ocbs (struct sbp_dev *, int); 249 static struct fw_xfer * sbp_write_cmd (struct sbp_dev *, int, int); 250 static struct sbp_ocb * sbp_get_ocb (struct sbp_dev *); 251 static struct sbp_ocb * sbp_enqueue_ocb (struct sbp_dev *, struct sbp_ocb *); 252 static struct sbp_ocb * sbp_dequeue_ocb (struct sbp_dev *, struct sbp_status *); 253 static void sbp_cam_detach_sdev(struct sbp_dev *); 254 static void sbp_free_sdev(struct sbp_dev *); 255 static void sbp_cam_detach_target (struct sbp_target *); 256 static void sbp_free_target (struct sbp_target *); 257 static void sbp_mgm_timeout (void *arg); 258 static void sbp_timeout (void *arg); 259 static void sbp_mgm_orb (struct sbp_dev *, int, struct sbp_ocb *); 260 261 MALLOC_DEFINE(M_SBP, "sbp", "SBP-II/FireWire"); 262 263 /* cam related functions */ 264 static void sbp_action(struct cam_sim *sim, union ccb *ccb); 265 static void sbp_poll(struct cam_sim *sim); 266 static void sbp_cam_scan_lun(struct cam_periph *, union ccb *); 267 static void sbp_cam_scan_target(void *arg); 268 269 static char *orb_status0[] = { 270 /* 0 */ "No additional information to report", 271 /* 1 */ "Request type not supported", 272 /* 2 */ "Speed not supported", 273 /* 3 */ "Page size not supported", 274 /* 4 */ "Access denied", 275 /* 5 */ "Logical unit not supported", 276 /* 6 */ "Maximum payload too small", 277 /* 7 */ "Reserved for future standardization", 278 /* 8 */ "Resources unavailable", 279 /* 9 */ "Function rejected", 280 /* A */ "Login ID not recognized", 281 /* B */ "Dummy ORB completed", 282 /* C */ "Request aborted", 283 /* FF */ "Unspecified error" 284 #define MAX_ORB_STATUS0 0xd 285 }; 286 287 static char *orb_status1_object[] = { 288 /* 0 */ "Operation request block (ORB)", 289 /* 1 */ "Data buffer", 290 /* 2 */ "Page table", 291 /* 3 */ "Unable to specify" 292 }; 293 294 static char *orb_status1_serial_bus_error[] = { 295 /* 0 */ "Missing acknowledge", 296 /* 1 */ "Reserved; not to be used", 297 /* 2 */ "Time-out error", 298 /* 3 */ "Reserved; not to be used", 299 /* 4 */ "Busy retry limit exceeded(X)", 300 /* 5 */ "Busy retry limit exceeded(A)", 301 /* 6 */ "Busy retry limit exceeded(B)", 302 /* 7 */ "Reserved for future standardization", 303 /* 8 */ "Reserved for future standardization", 304 /* 9 */ "Reserved for future standardization", 305 /* A */ "Reserved for future standardization", 306 /* B */ "Tardy retry limit exceeded", 307 /* C */ "Conflict error", 308 /* D */ "Data error", 309 /* E */ "Type error", 310 /* F */ "Address error" 311 }; 312 313 static void 314 sbp_identify(driver_t *driver, device_t parent) 315 { 316 device_t child; 317 SBP_DEBUG(0) 318 printf("sbp_identify\n"); 319 END_DEBUG 320 321 child = BUS_ADD_CHILD(parent, 0, "sbp", device_get_unit(parent)); 322 } 323 324 /* 325 * sbp_probe() 326 */ 327 static int 328 sbp_probe(device_t dev) 329 { 330 device_t pa; 331 332 SBP_DEBUG(0) 333 printf("sbp_probe\n"); 334 END_DEBUG 335 336 pa = device_get_parent(dev); 337 if(device_get_unit(dev) != device_get_unit(pa)){ 338 return(ENXIO); 339 } 340 341 device_set_desc(dev, "SBP-2/SCSI over FireWire"); 342 343 if (bootverbose) 344 debug = bootverbose; 345 return (0); 346 } 347 348 static void 349 sbp_show_sdev_info(struct sbp_dev *sdev, int new) 350 { 351 struct fw_device *fwdev; 352 353 printf("%s:%d:%d ", 354 device_get_nameunit(sdev->target->sbp->fd.dev), 355 sdev->target->target_id, 356 sdev->lun_id 357 ); 358 if (new == 2) { 359 return; 360 } 361 fwdev = sdev->target->fwdev; 362 printf("ordered:%d type:%d EUI:%08x%08x node:%d " 363 "speed:%d maxrec:%d", 364 (sdev->type & 0x40) >> 6, 365 (sdev->type & 0x1f), 366 fwdev->eui.hi, 367 fwdev->eui.lo, 368 fwdev->dst, 369 fwdev->speed, 370 fwdev->maxrec 371 ); 372 if (new) 373 printf(" new!\n"); 374 else 375 printf("\n"); 376 sbp_show_sdev_info(sdev, 2); 377 printf("'%s' '%s' '%s'\n", sdev->vendor, sdev->product, sdev->revision); 378 } 379 380 static struct { 381 int bus; 382 int target; 383 struct fw_eui64 eui; 384 } wired[] = { 385 /* Bus Target EUI64 */ 386 #if 0 387 {0, 2, {0x00018ea0, 0x01fd0154}}, /* Logitec HDD */ 388 {0, 0, {0x00018ea6, 0x00100682}}, /* Logitec DVD */ 389 {0, 1, {0x00d03200, 0xa412006a}}, /* Yano HDD */ 390 #endif 391 {-1, -1, {0,0}} 392 }; 393 394 static int 395 sbp_new_target(struct sbp_softc *sbp, struct fw_device *fwdev) 396 { 397 int bus, i, target=-1; 398 char w[SBP_NUM_TARGETS]; 399 400 bzero(w, sizeof(w)); 401 bus = device_get_unit(sbp->fd.dev); 402 403 /* XXX wired-down configuration should be gotten from 404 tunable or device hint */ 405 for (i = 0; wired[i].bus >= 0; i ++) { 406 if (wired[i].bus == bus) { 407 w[wired[i].target] = 1; 408 if (wired[i].eui.hi == fwdev->eui.hi && 409 wired[i].eui.lo == fwdev->eui.lo) 410 target = wired[i].target; 411 } 412 } 413 if (target >= 0) { 414 if(target < SBP_NUM_TARGETS && 415 sbp->targets[target].fwdev == NULL) 416 return(target); 417 device_printf(sbp->fd.dev, 418 "target %d is not free for %08x:%08x\n", 419 target, fwdev->eui.hi, fwdev->eui.lo); 420 target = -1; 421 } 422 /* non-wired target */ 423 for (i = 0; i < SBP_NUM_TARGETS; i ++) 424 if (sbp->targets[i].fwdev == NULL && w[i] == 0) { 425 target = i; 426 break; 427 } 428 429 return target; 430 } 431 432 static void 433 sbp_alloc_lun(struct sbp_target *target) 434 { 435 struct crom_context cc; 436 struct csrreg *reg; 437 struct sbp_dev *sdev, **newluns; 438 struct sbp_softc *sbp; 439 int maxlun, lun, i; 440 441 sbp = target->sbp; 442 crom_init_context(&cc, target->fwdev->csrrom); 443 /* XXX shoud parse appropriate unit directories only */ 444 maxlun = -1; 445 while (cc.depth >= 0) { 446 reg = crom_search_key(&cc, CROM_LUN); 447 if (reg == NULL) 448 break; 449 lun = reg->val & 0xffff; 450 SBP_DEBUG(0) 451 printf("target %d lun %d found\n", target->target_id, lun); 452 END_DEBUG 453 if (maxlun < lun) 454 maxlun = lun; 455 crom_next(&cc); 456 } 457 if (maxlun < 0) 458 printf("%s:%d no LUN found\n", 459 device_get_nameunit(target->sbp->fd.dev), 460 target->target_id); 461 462 maxlun ++; 463 if (maxlun >= SBP_NUM_LUNS) 464 maxlun = SBP_NUM_LUNS; 465 466 /* Invalidiate stale devices */ 467 for (lun = 0; lun < target->num_lun; lun ++) { 468 sdev = target->luns[lun]; 469 if (sdev == NULL) 470 continue; 471 sdev->flags &= ~VALID_LUN; 472 if (lun >= maxlun) { 473 /* lost device */ 474 sbp_cam_detach_sdev(sdev); 475 sbp_free_sdev(sdev); 476 } 477 } 478 479 /* Reallocate */ 480 if (maxlun != target->num_lun) { 481 /* 482 * note: realloc() does not support M_ZERO. We must zero 483 * the extended region manually. 484 */ 485 newluns = realloc(target->luns, 486 sizeof(struct sbp_dev *) * maxlun, 487 M_SBP, M_WAITOK); 488 489 if (maxlun > target->num_lun) { 490 bzero(&newluns[target->num_lun], 491 sizeof(struct sbp_dev *) * 492 (maxlun - target->num_lun)); 493 } 494 target->luns = newluns; 495 target->num_lun = maxlun; 496 } 497 498 crom_init_context(&cc, target->fwdev->csrrom); 499 while (cc.depth >= 0) { 500 int new = 0; 501 502 reg = crom_search_key(&cc, CROM_LUN); 503 if (reg == NULL) 504 break; 505 lun = reg->val & 0xffff; 506 if (lun >= SBP_NUM_LUNS) { 507 printf("too large lun %d\n", lun); 508 goto next; 509 } 510 511 sdev = target->luns[lun]; 512 if (sdev == NULL) { 513 sdev = malloc(sizeof(struct sbp_dev), 514 M_SBP, M_WAITOK | M_ZERO); 515 target->luns[lun] = sdev; 516 sdev->lun_id = lun; 517 sdev->target = target; 518 STAILQ_INIT(&sdev->ocbs); 519 CALLOUT_INIT(&sdev->login_callout); 520 sdev->status = SBP_DEV_RESET; 521 new = 1; 522 } 523 sdev->flags |= VALID_LUN; 524 sdev->type = (reg->val & 0xff0000) >> 16; 525 526 if (new == 0) 527 goto next; 528 529 fwdma_malloc(sbp->fd.fc, 530 /* alignment */ sizeof(u_int32_t), 531 SBP_DMA_SIZE, &sdev->dma, BUS_DMA_NOWAIT); 532 if (sdev->dma.v_addr == NULL) { 533 printf("%s: dma space allocation failed\n", 534 __func__); 535 free(sdev, M_SBP); 536 target->luns[lun] = NULL; 537 goto next; 538 } 539 sdev->login = (struct sbp_login_res *) sdev->dma.v_addr; 540 sdev->ocb = (struct sbp_ocb *) 541 ((char *)sdev->dma.v_addr + SBP_LOGIN_SIZE); 542 bzero((char *)sdev->ocb, 543 sizeof (struct sbp_ocb) * SBP_QUEUE_LEN); 544 545 STAILQ_INIT(&sdev->free_ocbs); 546 for (i = 0; i < SBP_QUEUE_LEN; i++) { 547 struct sbp_ocb *ocb; 548 ocb = &sdev->ocb[i]; 549 ocb->bus_addr = sdev->dma.bus_addr 550 + SBP_LOGIN_SIZE 551 + sizeof(struct sbp_ocb) * i 552 + offsetof(struct sbp_ocb, orb[0]); 553 if (bus_dmamap_create(sbp->dmat, 0, &ocb->dmamap)) { 554 printf("sbp_attach: cannot create dmamap\n"); 555 /* XXX */ 556 goto next; 557 } 558 sbp_free_ocb(sdev, ocb); 559 } 560 next: 561 crom_next(&cc); 562 } 563 564 for (lun = 0; lun < target->num_lun; lun ++) { 565 sdev = target->luns[lun]; 566 if (sdev != NULL && (sdev->flags & VALID_LUN) == 0) { 567 sbp_cam_detach_sdev(sdev); 568 sbp_free_sdev(sdev); 569 target->luns[lun] = NULL; 570 } 571 } 572 } 573 574 static struct sbp_target * 575 sbp_alloc_target(struct sbp_softc *sbp, struct fw_device *fwdev) 576 { 577 int i; 578 struct sbp_target *target; 579 struct crom_context cc; 580 struct csrreg *reg; 581 582 SBP_DEBUG(1) 583 printf("sbp_alloc_target\n"); 584 END_DEBUG 585 i = sbp_new_target(sbp, fwdev); 586 if (i < 0) { 587 device_printf(sbp->fd.dev, "increase SBP_NUM_TARGETS!\n"); 588 return NULL; 589 } 590 /* new target */ 591 target = &sbp->targets[i]; 592 target->sbp = sbp; 593 target->fwdev = fwdev; 594 target->target_id = i; 595 /* XXX we may want to reload mgm port after each bus reset */ 596 /* XXX there might be multiple management agents */ 597 crom_init_context(&cc, target->fwdev->csrrom); 598 reg = crom_search_key(&cc, CROM_MGM); 599 if (reg == NULL || reg->val == 0) { 600 printf("NULL management address\n"); 601 target->fwdev = NULL; 602 return NULL; 603 } 604 target->mgm_hi = 0xffff; 605 target->mgm_lo = 0xf0000000 | (reg->val << 2); 606 target->mgm_ocb_cur = NULL; 607 SBP_DEBUG(1) 608 printf("target:%d mgm_port: %x\n", i, target->mgm_lo); 609 END_DEBUG 610 STAILQ_INIT(&target->xferlist); 611 target->n_xfer = 0; 612 STAILQ_INIT(&target->mgm_ocb_queue); 613 CALLOUT_INIT(&target->mgm_ocb_timeout); 614 CALLOUT_INIT(&target->scan_callout); 615 616 target->luns = NULL; 617 target->num_lun = 0; 618 return target; 619 } 620 621 static void 622 sbp_probe_lun(struct sbp_dev *sdev) 623 { 624 struct fw_device *fwdev; 625 struct crom_context c, *cc = &c; 626 struct csrreg *reg; 627 628 bzero(sdev->vendor, sizeof(sdev->vendor)); 629 bzero(sdev->product, sizeof(sdev->product)); 630 631 fwdev = sdev->target->fwdev; 632 crom_init_context(cc, fwdev->csrrom); 633 /* get vendor string */ 634 crom_search_key(cc, CSRKEY_VENDOR); 635 crom_next(cc); 636 crom_parse_text(cc, sdev->vendor, sizeof(sdev->vendor)); 637 /* skip to the unit directory for SBP-2 */ 638 while ((reg = crom_search_key(cc, CSRKEY_VER)) != NULL) { 639 if (reg->val == CSRVAL_T10SBP2) 640 break; 641 crom_next(cc); 642 } 643 /* get firmware revision */ 644 reg = crom_search_key(cc, CSRKEY_FIRM_VER); 645 if (reg != NULL) 646 snprintf(sdev->revision, sizeof(sdev->revision), 647 "%06x", reg->val); 648 /* get product string */ 649 crom_search_key(cc, CSRKEY_MODEL); 650 crom_next(cc); 651 crom_parse_text(cc, sdev->product, sizeof(sdev->product)); 652 } 653 654 static void 655 sbp_login_callout(void *arg) 656 { 657 struct sbp_dev *sdev = (struct sbp_dev *)arg; 658 sbp_mgm_orb(sdev, ORB_FUN_LGI, NULL); 659 } 660 661 static void 662 sbp_login(struct sbp_dev *sdev) 663 { 664 struct timeval delta; 665 struct timeval t; 666 int ticks = 0; 667 668 microtime(&delta); 669 timevalsub(&delta, &sdev->target->sbp->last_busreset); 670 t.tv_sec = login_delay / 1000; 671 t.tv_usec = (login_delay % 1000) * 1000; 672 timevalsub(&t, &delta); 673 if (t.tv_sec >= 0 && t.tv_usec > 0) 674 ticks = (t.tv_sec * 1000 + t.tv_usec / 1000) * hz / 1000; 675 SBP_DEBUG(0) 676 printf("%s: sec = %ld usec = %ld ticks = %d\n", __func__, 677 t.tv_sec, t.tv_usec, ticks); 678 END_DEBUG 679 callout_reset(&sdev->login_callout, ticks, 680 sbp_login_callout, (void *)(sdev)); 681 } 682 683 #define SBP_FWDEV_ALIVE(fwdev) (((fwdev)->status == FWDEVATTACHED) \ 684 && crom_has_specver((fwdev)->csrrom, CSRVAL_ANSIT10, CSRVAL_T10SBP2)) 685 686 static void 687 sbp_probe_target(void *arg) 688 { 689 struct sbp_target *target = (struct sbp_target *)arg; 690 struct sbp_softc *sbp; 691 struct sbp_dev *sdev; 692 struct firewire_comm *fc; 693 int i, alive; 694 695 alive = SBP_FWDEV_ALIVE(target->fwdev); 696 SBP_DEBUG(1) 697 printf("sbp_probe_target %d\n", target->target_id); 698 if (!alive) 699 printf("not alive\n"); 700 END_DEBUG 701 702 sbp = target->sbp; 703 fc = target->sbp->fd.fc; 704 sbp_alloc_lun(target); 705 706 /* XXX untimeout mgm_ocb and dequeue */ 707 for (i=0; i < target->num_lun; i++) { 708 sdev = target->luns[i]; 709 if (sdev == NULL) 710 continue; 711 if (alive && (sdev->status != SBP_DEV_DEAD)) { 712 if (sdev->path != NULL) { 713 xpt_freeze_devq(sdev->path, 1); 714 sdev->freeze ++; 715 } 716 sbp_probe_lun(sdev); 717 SBP_DEBUG(0) 718 sbp_show_sdev_info(sdev, 719 (sdev->status == SBP_DEV_RESET)); 720 END_DEBUG 721 722 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET); 723 switch (sdev->status) { 724 case SBP_DEV_RESET: 725 /* new or revived target */ 726 if (auto_login) 727 sbp_login(sdev); 728 break; 729 case SBP_DEV_TOATTACH: 730 case SBP_DEV_PROBE: 731 case SBP_DEV_ATTACHED: 732 case SBP_DEV_RETRY: 733 default: 734 sbp_mgm_orb(sdev, ORB_FUN_RCN, NULL); 735 break; 736 } 737 } else { 738 switch (sdev->status) { 739 case SBP_DEV_ATTACHED: 740 SBP_DEBUG(0) 741 /* the device has gone */ 742 sbp_show_sdev_info(sdev, 2); 743 printf("lost target\n"); 744 END_DEBUG 745 if (sdev->path) { 746 xpt_freeze_devq(sdev->path, 1); 747 sdev->freeze ++; 748 } 749 sdev->status = SBP_DEV_RETRY; 750 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET); 751 break; 752 case SBP_DEV_PROBE: 753 case SBP_DEV_TOATTACH: 754 sdev->status = SBP_DEV_RESET; 755 break; 756 case SBP_DEV_RETRY: 757 case SBP_DEV_RESET: 758 case SBP_DEV_DEAD: 759 break; 760 } 761 } 762 } 763 } 764 765 static void 766 sbp_post_busreset(void *arg) 767 { 768 struct sbp_softc *sbp; 769 770 sbp = (struct sbp_softc *)arg; 771 SBP_DEBUG(0) 772 printf("sbp_post_busreset\n"); 773 END_DEBUG 774 if ((sbp->sim->flags & SIMQ_FREEZED) == 0) { 775 xpt_freeze_simq(sbp->sim, /*count*/1); 776 sbp->sim->flags |= SIMQ_FREEZED; 777 } 778 microtime(&sbp->last_busreset); 779 } 780 781 static void 782 sbp_post_explore(void *arg) 783 { 784 struct sbp_softc *sbp = (struct sbp_softc *)arg; 785 struct sbp_target *target; 786 struct fw_device *fwdev; 787 int i, alive; 788 789 SBP_DEBUG(0) 790 printf("sbp_post_explore (sbp_cold=%d)\n", sbp_cold); 791 END_DEBUG 792 if (sbp_cold > 0) 793 sbp_cold --; 794 795 #if 0 796 /* 797 * XXX don't let CAM the bus rest. 798 * CAM tries to do something with freezed (DEV_RETRY) devices. 799 */ 800 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL); 801 #endif 802 803 /* Gabage Collection */ 804 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){ 805 target = &sbp->targets[i]; 806 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) 807 if (target->fwdev == NULL || target->fwdev == fwdev) 808 break; 809 if (fwdev == NULL) { 810 /* device has removed in lower driver */ 811 sbp_cam_detach_target(target); 812 sbp_free_target(target); 813 } 814 } 815 /* traverse device list */ 816 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) { 817 SBP_DEBUG(0) 818 printf("sbp_post_explore: EUI:%08x%08x ", 819 fwdev->eui.hi, fwdev->eui.lo); 820 if (fwdev->status != FWDEVATTACHED) 821 printf("not attached, state=%d.\n", fwdev->status); 822 else 823 printf("attached\n"); 824 END_DEBUG 825 alive = SBP_FWDEV_ALIVE(fwdev); 826 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){ 827 target = &sbp->targets[i]; 828 if(target->fwdev == fwdev ) { 829 /* known target */ 830 break; 831 } 832 } 833 if(i == SBP_NUM_TARGETS){ 834 if (alive) { 835 /* new target */ 836 target = sbp_alloc_target(sbp, fwdev); 837 if (target == NULL) 838 continue; 839 } else { 840 continue; 841 } 842 } 843 sbp_probe_target((void *)target); 844 if (target->num_lun == 0) 845 sbp_free_target(target); 846 } 847 xpt_release_simq(sbp->sim, /*run queue*/TRUE); 848 sbp->sim->flags &= ~SIMQ_FREEZED; 849 } 850 851 #if NEED_RESPONSE 852 static void 853 sbp_loginres_callback(struct fw_xfer *xfer){ 854 struct sbp_dev *sdev; 855 sdev = (struct sbp_dev *)xfer->sc; 856 SBP_DEBUG(1) 857 sbp_show_sdev_info(sdev, 2); 858 printf("sbp_loginres_callback\n"); 859 END_DEBUG 860 /* recycle */ 861 crit_enter(); 862 STAILQ_INSERT_TAIL(&sdev->target->sbp->fwb.xferlist, xfer, link); 863 crit_exit(); 864 return; 865 } 866 #endif 867 868 static __inline void 869 sbp_xfer_free(struct fw_xfer *xfer) 870 { 871 struct sbp_dev *sdev; 872 873 sdev = (struct sbp_dev *)xfer->sc; 874 fw_xfer_unload(xfer); 875 crit_enter(); 876 STAILQ_INSERT_TAIL(&sdev->target->xferlist, xfer, link); 877 crit_exit(); 878 } 879 880 static void 881 sbp_reset_start_callback(struct fw_xfer *xfer) 882 { 883 struct sbp_dev *tsdev, *sdev = (struct sbp_dev *)xfer->sc; 884 struct sbp_target *target = sdev->target; 885 int i; 886 887 if (xfer->resp != 0) { 888 sbp_show_sdev_info(sdev, 2); 889 printf("sbp_reset_start failed: resp=%d\n", xfer->resp); 890 } 891 892 for (i = 0; i < target->num_lun; i++) { 893 tsdev = target->luns[i]; 894 if (tsdev != NULL && tsdev->status == SBP_DEV_LOGIN) 895 sbp_login(tsdev); 896 } 897 } 898 899 static void 900 sbp_reset_start(struct sbp_dev *sdev) 901 { 902 struct fw_xfer *xfer; 903 struct fw_pkt *fp; 904 905 SBP_DEBUG(0) 906 sbp_show_sdev_info(sdev, 2); 907 printf("sbp_reset_start\n"); 908 END_DEBUG 909 910 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 911 xfer->act.hand = sbp_reset_start_callback; 912 fp = &xfer->send.hdr; 913 fp->mode.wreqq.dest_hi = 0xffff; 914 fp->mode.wreqq.dest_lo = 0xf0000000 | RESET_START; 915 fp->mode.wreqq.data = htonl(0xf); 916 fw_asyreq(xfer->fc, -1, xfer); 917 } 918 919 static void 920 sbp_mgm_callback(struct fw_xfer *xfer) 921 { 922 struct sbp_dev *sdev; 923 int resp; 924 925 sdev = (struct sbp_dev *)xfer->sc; 926 927 SBP_DEBUG(1) 928 sbp_show_sdev_info(sdev, 2); 929 printf("sbp_mgm_callback\n"); 930 END_DEBUG 931 resp = xfer->resp; 932 sbp_xfer_free(xfer); 933 #if 0 934 if (resp != 0) { 935 sbp_show_sdev_info(sdev, 2); 936 printf("management ORB failed(%d) ... RESET_START\n", resp); 937 sbp_reset_start(sdev); 938 } 939 #endif 940 return; 941 } 942 943 static struct sbp_dev * 944 sbp_next_dev(struct sbp_target *target, int lun) 945 { 946 struct sbp_dev **sdevp; 947 int i; 948 949 for (i = lun, sdevp = &target->luns[lun]; i < target->num_lun; 950 i++, sdevp++) 951 if (*sdevp != NULL && (*sdevp)->status == SBP_DEV_PROBE) 952 return(*sdevp); 953 return(NULL); 954 } 955 956 #define SCAN_PRI 1 957 static void 958 sbp_cam_scan_lun(struct cam_periph *periph, union ccb *ccb) 959 { 960 struct sbp_target *target; 961 struct sbp_dev *sdev; 962 963 sdev = (struct sbp_dev *) ccb->ccb_h.ccb_sdev_ptr; 964 target = sdev->target; 965 SBP_DEBUG(0) 966 sbp_show_sdev_info(sdev, 2); 967 printf("sbp_cam_scan_lun\n"); 968 END_DEBUG 969 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 970 sdev->status = SBP_DEV_ATTACHED; 971 } else { 972 sbp_show_sdev_info(sdev, 2); 973 printf("scan failed\n"); 974 } 975 sdev = sbp_next_dev(target, sdev->lun_id + 1); 976 if (sdev == NULL) { 977 free(ccb, M_SBP); 978 return; 979 } 980 /* reuse ccb */ 981 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI); 982 ccb->ccb_h.ccb_sdev_ptr = sdev; 983 xpt_action(ccb); 984 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 985 sdev->freeze = 1; 986 } 987 988 static void 989 sbp_cam_scan_target(void *arg) 990 { 991 struct sbp_target *target = (struct sbp_target *)arg; 992 struct sbp_dev *sdev; 993 union ccb *ccb; 994 995 sdev = sbp_next_dev(target, 0); 996 if (sdev == NULL) { 997 printf("sbp_cam_scan_target: nothing to do for target%d\n", 998 target->target_id); 999 return; 1000 } 1001 SBP_DEBUG(0) 1002 sbp_show_sdev_info(sdev, 2); 1003 printf("sbp_cam_scan_target\n"); 1004 END_DEBUG 1005 ccb = malloc(sizeof(union ccb), M_SBP, M_WAITOK | M_ZERO); 1006 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI); 1007 ccb->ccb_h.func_code = XPT_SCAN_LUN; 1008 ccb->ccb_h.cbfcnp = sbp_cam_scan_lun; 1009 ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 1010 ccb->crcn.flags = CAM_FLAG_NONE; 1011 ccb->ccb_h.ccb_sdev_ptr = sdev; 1012 1013 /* The scan is in progress now. */ 1014 xpt_action(ccb); 1015 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 1016 sdev->freeze = 1; 1017 } 1018 1019 static __inline void 1020 sbp_scan_dev(struct sbp_dev *sdev) 1021 { 1022 sdev->status = SBP_DEV_PROBE; 1023 callout_reset(&sdev->target->scan_callout, scan_delay * hz / 1000, 1024 sbp_cam_scan_target, (void *)sdev->target); 1025 } 1026 1027 static void 1028 sbp_do_attach(struct fw_xfer *xfer) 1029 { 1030 struct sbp_dev *sdev; 1031 struct sbp_target *target; 1032 struct sbp_softc *sbp; 1033 1034 sdev = (struct sbp_dev *)xfer->sc; 1035 target = sdev->target; 1036 sbp = target->sbp; 1037 SBP_DEBUG(0) 1038 sbp_show_sdev_info(sdev, 2); 1039 printf("sbp_do_attach\n"); 1040 END_DEBUG 1041 sbp_xfer_free(xfer); 1042 1043 if (sdev->path == NULL) 1044 xpt_create_path(&sdev->path, xpt_periph, 1045 cam_sim_path(target->sbp->sim), 1046 target->target_id, sdev->lun_id); 1047 1048 /* 1049 * Let CAM scan the bus if we are in the boot process. 1050 * XXX xpt_scan_bus cannot detect LUN larger than 0 1051 * if LUN 0 doesn't exists. 1052 */ 1053 if (sbp_cold > 0) { 1054 sdev->status = SBP_DEV_ATTACHED; 1055 return; 1056 } 1057 1058 sbp_scan_dev(sdev); 1059 return; 1060 } 1061 1062 static void 1063 sbp_agent_reset_callback(struct fw_xfer *xfer) 1064 { 1065 struct sbp_dev *sdev; 1066 1067 sdev = (struct sbp_dev *)xfer->sc; 1068 SBP_DEBUG(1) 1069 sbp_show_sdev_info(sdev, 2); 1070 printf("%s\n", __func__); 1071 END_DEBUG 1072 if (xfer->resp != 0) { 1073 sbp_show_sdev_info(sdev, 2); 1074 printf("%s: resp=%d\n", __func__, xfer->resp); 1075 } 1076 1077 sbp_xfer_free(xfer); 1078 if (sdev->path) { 1079 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 1080 sdev->freeze = 0; 1081 } 1082 } 1083 1084 static void 1085 sbp_agent_reset(struct sbp_dev *sdev) 1086 { 1087 struct fw_xfer *xfer; 1088 struct fw_pkt *fp; 1089 1090 SBP_DEBUG(0) 1091 sbp_show_sdev_info(sdev, 2); 1092 printf("sbp_agent_reset\n"); 1093 END_DEBUG 1094 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x04); 1095 if (xfer == NULL) 1096 return; 1097 if (sdev->status == SBP_DEV_ATTACHED || sdev->status == SBP_DEV_PROBE) 1098 xfer->act.hand = sbp_agent_reset_callback; 1099 else 1100 xfer->act.hand = sbp_do_attach; 1101 fp = &xfer->send.hdr; 1102 fp->mode.wreqq.data = htonl(0xf); 1103 fw_asyreq(xfer->fc, -1, xfer); 1104 sbp_abort_all_ocbs(sdev, CAM_BDR_SENT); 1105 } 1106 1107 static void 1108 sbp_busy_timeout_callback(struct fw_xfer *xfer) 1109 { 1110 struct sbp_dev *sdev; 1111 1112 sdev = (struct sbp_dev *)xfer->sc; 1113 SBP_DEBUG(1) 1114 sbp_show_sdev_info(sdev, 2); 1115 printf("sbp_busy_timeout_callback\n"); 1116 END_DEBUG 1117 sbp_xfer_free(xfer); 1118 sbp_agent_reset(sdev); 1119 } 1120 1121 static void 1122 sbp_busy_timeout(struct sbp_dev *sdev) 1123 { 1124 struct fw_pkt *fp; 1125 struct fw_xfer *xfer; 1126 SBP_DEBUG(0) 1127 sbp_show_sdev_info(sdev, 2); 1128 printf("sbp_busy_timeout\n"); 1129 END_DEBUG 1130 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 1131 1132 xfer->act.hand = sbp_busy_timeout_callback; 1133 fp = &xfer->send.hdr; 1134 fp->mode.wreqq.dest_hi = 0xffff; 1135 fp->mode.wreqq.dest_lo = 0xf0000000 | BUSY_TIMEOUT; 1136 fp->mode.wreqq.data = htonl((1 << (13+12)) | 0xf); 1137 fw_asyreq(xfer->fc, -1, xfer); 1138 } 1139 1140 static void 1141 sbp_orb_pointer_callback(struct fw_xfer *xfer) 1142 { 1143 struct sbp_dev *sdev; 1144 sdev = (struct sbp_dev *)xfer->sc; 1145 1146 SBP_DEBUG(1) 1147 sbp_show_sdev_info(sdev, 2); 1148 printf("%s\n", __func__); 1149 END_DEBUG 1150 if (xfer->resp != 0) { 1151 /* XXX */ 1152 printf("%s: xfer->resp = %d\n", __func__, xfer->resp); 1153 } 1154 sbp_xfer_free(xfer); 1155 sdev->flags &= ~ORB_POINTER_ACTIVE; 1156 1157 if ((sdev->flags & ORB_POINTER_NEED) != 0) { 1158 struct sbp_ocb *ocb; 1159 1160 sdev->flags &= ~ORB_POINTER_NEED; 1161 ocb = STAILQ_FIRST(&sdev->ocbs); 1162 if (ocb != NULL) 1163 sbp_orb_pointer(sdev, ocb); 1164 } 1165 return; 1166 } 1167 1168 static void 1169 sbp_orb_pointer(struct sbp_dev *sdev, struct sbp_ocb *ocb) 1170 { 1171 struct fw_xfer *xfer; 1172 struct fw_pkt *fp; 1173 SBP_DEBUG(1) 1174 sbp_show_sdev_info(sdev, 2); 1175 printf("%s: 0x%08x\n", __func__, (u_int32_t)ocb->bus_addr); 1176 END_DEBUG 1177 1178 if ((sdev->flags & ORB_POINTER_ACTIVE) != 0) { 1179 SBP_DEBUG(0) 1180 printf("%s: orb pointer active\n", __func__); 1181 END_DEBUG 1182 sdev->flags |= ORB_POINTER_NEED; 1183 return; 1184 } 1185 1186 sdev->flags |= ORB_POINTER_ACTIVE; 1187 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0x08); 1188 if (xfer == NULL) 1189 return; 1190 xfer->act.hand = sbp_orb_pointer_callback; 1191 1192 fp = &xfer->send.hdr; 1193 fp->mode.wreqb.len = 8; 1194 fp->mode.wreqb.extcode = 0; 1195 xfer->send.payload[0] = 1196 htonl(((sdev->target->sbp->fd.fc->nodeid | FWLOCALBUS )<< 16)); 1197 xfer->send.payload[1] = htonl((u_int32_t)ocb->bus_addr); 1198 1199 if(fw_asyreq(xfer->fc, -1, xfer) != 0){ 1200 sbp_xfer_free(xfer); 1201 ocb->ccb->ccb_h.status = CAM_REQ_INVALID; 1202 xpt_done(ocb->ccb); 1203 } 1204 } 1205 1206 #if 0 1207 static void 1208 sbp_cmd_callback(struct fw_xfer *xfer) 1209 { 1210 SBP_DEBUG(1) 1211 struct sbp_dev *sdev; 1212 sdev = (struct sbp_dev *)xfer->sc; 1213 sbp_show_sdev_info(sdev, 2); 1214 printf("sbp_cmd_callback\n"); 1215 END_DEBUG 1216 if (xfer->resp != 0) { 1217 /* XXX */ 1218 printf("%s: xfer->resp = %d\n", __func__, xfer->resp); 1219 } 1220 sbp_xfer_free(xfer); 1221 return; 1222 } 1223 1224 static void 1225 sbp_doorbell(struct sbp_dev *sdev) 1226 { 1227 struct fw_xfer *xfer; 1228 struct fw_pkt *fp; 1229 SBP_DEBUG(1) 1230 sbp_show_sdev_info(sdev, 2); 1231 printf("sbp_doorbell\n"); 1232 END_DEBUG 1233 1234 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x10); 1235 if (xfer == NULL) 1236 return; 1237 xfer->act.hand = sbp_cmd_callback; 1238 fp = (struct fw_pkt *)xfer->send.buf; 1239 fp->mode.wreqq.data = htonl(0xf); 1240 fw_asyreq(xfer->fc, -1, xfer); 1241 } 1242 #endif 1243 1244 static struct fw_xfer * 1245 sbp_write_cmd(struct sbp_dev *sdev, int tcode, int offset) 1246 { 1247 struct fw_xfer *xfer; 1248 struct fw_pkt *fp; 1249 struct sbp_target *target; 1250 int new = 0; 1251 1252 target = sdev->target; 1253 crit_enter(); 1254 xfer = STAILQ_FIRST(&target->xferlist); 1255 if (xfer == NULL) { 1256 if (target->n_xfer > 5 /* XXX */) { 1257 printf("sbp: no more xfer for this target\n"); 1258 crit_exit(); 1259 return(NULL); 1260 } 1261 xfer = fw_xfer_alloc_buf(M_SBP, 8, 0); 1262 if(xfer == NULL){ 1263 printf("sbp: fw_xfer_alloc_buf failed\n"); 1264 crit_exit(); 1265 return NULL; 1266 } 1267 target->n_xfer ++; 1268 if (debug) 1269 printf("sbp: alloc %d xfer\n", target->n_xfer); 1270 new = 1; 1271 } else { 1272 STAILQ_REMOVE_HEAD(&target->xferlist, link); 1273 } 1274 crit_exit(); 1275 1276 microtime(&xfer->tv); 1277 1278 if (new) { 1279 xfer->recv.pay_len = 0; 1280 xfer->send.spd = min(sdev->target->fwdev->speed, max_speed); 1281 xfer->fc = sdev->target->sbp->fd.fc; 1282 xfer->retry_req = fw_asybusy; 1283 } 1284 1285 if (tcode == FWTCODE_WREQB) 1286 xfer->send.pay_len = 8; 1287 else 1288 xfer->send.pay_len = 0; 1289 1290 xfer->sc = (caddr_t)sdev; 1291 fp = &xfer->send.hdr; 1292 fp->mode.wreqq.dest_hi = sdev->login->cmd_hi; 1293 fp->mode.wreqq.dest_lo = sdev->login->cmd_lo + offset; 1294 fp->mode.wreqq.tlrt = 0; 1295 fp->mode.wreqq.tcode = tcode; 1296 fp->mode.wreqq.pri = 0; 1297 fp->mode.wreqq.dst = FWLOCALBUS | sdev->target->fwdev->dst; 1298 1299 return xfer; 1300 1301 } 1302 1303 static void 1304 sbp_mgm_orb(struct sbp_dev *sdev, int func, struct sbp_ocb *aocb) 1305 { 1306 struct fw_xfer *xfer; 1307 struct fw_pkt *fp; 1308 struct sbp_ocb *ocb; 1309 struct sbp_target *target; 1310 int nid; 1311 1312 target = sdev->target; 1313 nid = target->sbp->fd.fc->nodeid | FWLOCALBUS; 1314 1315 crit_enter(); 1316 if (func == ORB_FUN_RUNQUEUE) { 1317 ocb = STAILQ_FIRST(&target->mgm_ocb_queue); 1318 if (target->mgm_ocb_cur != NULL || ocb == NULL) { 1319 crit_exit(); 1320 return; 1321 } 1322 STAILQ_REMOVE_HEAD(&target->mgm_ocb_queue, ocb); 1323 goto start; 1324 } 1325 if ((ocb = sbp_get_ocb(sdev)) == NULL) { 1326 crit_exit(); 1327 /* XXX */ 1328 return; 1329 } 1330 ocb->flags = OCB_ACT_MGM; 1331 ocb->sdev = sdev; 1332 1333 bzero((void *)ocb->orb, sizeof(ocb->orb)); 1334 ocb->orb[6] = htonl((nid << 16) | SBP_BIND_HI); 1335 ocb->orb[7] = htonl(SBP_DEV2ADDR(target->target_id, sdev->lun_id)); 1336 1337 SBP_DEBUG(0) 1338 sbp_show_sdev_info(sdev, 2); 1339 printf("%s\n", orb_fun_name[(func>>16)&0xf]); 1340 END_DEBUG 1341 switch (func) { 1342 case ORB_FUN_LGI: 1343 ocb->orb[0] = ocb->orb[1] = 0; /* password */ 1344 ocb->orb[2] = htonl(nid << 16); 1345 ocb->orb[3] = htonl(sdev->dma.bus_addr); 1346 ocb->orb[4] = htonl(ORB_NOTIFY | sdev->lun_id); 1347 if (ex_login) 1348 ocb->orb[4] |= htonl(ORB_EXV); 1349 ocb->orb[5] = htonl(SBP_LOGIN_SIZE); 1350 fwdma_sync(&sdev->dma, BUS_DMASYNC_PREREAD); 1351 break; 1352 case ORB_FUN_ATA: 1353 ocb->orb[0] = htonl((0 << 16) | 0); 1354 ocb->orb[1] = htonl(aocb->bus_addr & 0xffffffff); 1355 /* fall through */ 1356 case ORB_FUN_RCN: 1357 case ORB_FUN_LGO: 1358 case ORB_FUN_LUR: 1359 case ORB_FUN_RST: 1360 case ORB_FUN_ATS: 1361 ocb->orb[4] = htonl(ORB_NOTIFY | func | sdev->login->id); 1362 break; 1363 } 1364 1365 if (target->mgm_ocb_cur != NULL) { 1366 /* there is a standing ORB */ 1367 STAILQ_INSERT_TAIL(&sdev->target->mgm_ocb_queue, ocb, ocb); 1368 crit_exit(); 1369 return; 1370 } 1371 start: 1372 target->mgm_ocb_cur = ocb; 1373 crit_exit(); 1374 1375 callout_reset(&target->mgm_ocb_timeout, 5*hz, 1376 sbp_mgm_timeout, (caddr_t)ocb); 1377 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0); 1378 if(xfer == NULL){ 1379 return; 1380 } 1381 xfer->act.hand = sbp_mgm_callback; 1382 1383 fp = &xfer->send.hdr; 1384 fp->mode.wreqb.dest_hi = sdev->target->mgm_hi; 1385 fp->mode.wreqb.dest_lo = sdev->target->mgm_lo; 1386 fp->mode.wreqb.len = 8; 1387 fp->mode.wreqb.extcode = 0; 1388 xfer->send.payload[0] = htonl(nid << 16); 1389 xfer->send.payload[1] = htonl(ocb->bus_addr & 0xffffffff); 1390 SBP_DEBUG(0) 1391 sbp_show_sdev_info(sdev, 2); 1392 printf("mgm orb: %08x\n", (u_int32_t)ocb->bus_addr); 1393 END_DEBUG 1394 1395 fw_asyreq(xfer->fc, -1, xfer); 1396 } 1397 1398 static void 1399 sbp_print_scsi_cmd(struct sbp_ocb *ocb) 1400 { 1401 struct ccb_scsiio *csio; 1402 1403 csio = &ocb->ccb->csio; 1404 printf("%s:%d:%d XPT_SCSI_IO: " 1405 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 1406 ", flags: 0x%02x, " 1407 "%db cmd/%db data/%db sense\n", 1408 device_get_nameunit(ocb->sdev->target->sbp->fd.dev), 1409 ocb->ccb->ccb_h.target_id, ocb->ccb->ccb_h.target_lun, 1410 csio->cdb_io.cdb_bytes[0], 1411 csio->cdb_io.cdb_bytes[1], 1412 csio->cdb_io.cdb_bytes[2], 1413 csio->cdb_io.cdb_bytes[3], 1414 csio->cdb_io.cdb_bytes[4], 1415 csio->cdb_io.cdb_bytes[5], 1416 csio->cdb_io.cdb_bytes[6], 1417 csio->cdb_io.cdb_bytes[7], 1418 csio->cdb_io.cdb_bytes[8], 1419 csio->cdb_io.cdb_bytes[9], 1420 ocb->ccb->ccb_h.flags & CAM_DIR_MASK, 1421 csio->cdb_len, csio->dxfer_len, 1422 csio->sense_len); 1423 } 1424 1425 static void 1426 sbp_scsi_status(struct sbp_status *sbp_status, struct sbp_ocb *ocb) 1427 { 1428 struct sbp_cmd_status *sbp_cmd_status; 1429 struct scsi_sense_data *sense; 1430 1431 sbp_cmd_status = (struct sbp_cmd_status *)sbp_status->data; 1432 sense = &ocb->ccb->csio.sense_data; 1433 1434 SBP_DEBUG(0) 1435 sbp_print_scsi_cmd(ocb); 1436 /* XXX need decode status */ 1437 sbp_show_sdev_info(ocb->sdev, 2); 1438 printf("SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d\n", 1439 sbp_cmd_status->status, 1440 sbp_cmd_status->sfmt, 1441 sbp_cmd_status->valid, 1442 sbp_cmd_status->s_key, 1443 sbp_cmd_status->s_code, 1444 sbp_cmd_status->s_qlfr, 1445 sbp_status->len 1446 ); 1447 END_DEBUG 1448 1449 switch (sbp_cmd_status->status) { 1450 case SCSI_STATUS_CHECK_COND: 1451 case SCSI_STATUS_BUSY: 1452 case SCSI_STATUS_CMD_TERMINATED: 1453 if(sbp_cmd_status->sfmt == SBP_SFMT_CURR){ 1454 sense->error_code = SSD_CURRENT_ERROR; 1455 }else{ 1456 sense->error_code = SSD_DEFERRED_ERROR; 1457 } 1458 if(sbp_cmd_status->valid) 1459 sense->error_code |= SSD_ERRCODE_VALID; 1460 sense->flags = sbp_cmd_status->s_key; 1461 if(sbp_cmd_status->mark) 1462 sense->flags |= SSD_FILEMARK; 1463 if(sbp_cmd_status->eom) 1464 sense->flags |= SSD_EOM; 1465 if(sbp_cmd_status->ill_len) 1466 sense->flags |= SSD_ILI; 1467 1468 bcopy(&sbp_cmd_status->info, &sense->info[0], 4); 1469 1470 if (sbp_status->len <= 1) 1471 /* XXX not scsi status. shouldn't be happened */ 1472 sense->extra_len = 0; 1473 else if (sbp_status->len <= 4) 1474 /* add_sense_code(_qual), info, cmd_spec_info */ 1475 sense->extra_len = 6; 1476 else 1477 /* fru, sense_key_spec */ 1478 sense->extra_len = 10; 1479 1480 bcopy(&sbp_cmd_status->cdb, &sense->cmd_spec_info[0], 4); 1481 1482 sense->add_sense_code = sbp_cmd_status->s_code; 1483 sense->add_sense_code_qual = sbp_cmd_status->s_qlfr; 1484 sense->fru = sbp_cmd_status->fru; 1485 1486 bcopy(&sbp_cmd_status->s_keydep[0], 1487 &sense->sense_key_spec[0], 3); 1488 1489 ocb->ccb->csio.scsi_status = sbp_cmd_status->status;; 1490 ocb->ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR 1491 | CAM_AUTOSNS_VALID; 1492 /* 1493 { 1494 u_int8_t j, *tmp; 1495 tmp = sense; 1496 for( j = 0 ; j < 32 ; j+=8){ 1497 printf("sense %02x%02x %02x%02x %02x%02x %02x%02x\n", 1498 tmp[j], tmp[j+1], tmp[j+2], tmp[j+3], 1499 tmp[j+4], tmp[j+5], tmp[j+6], tmp[j+7]); 1500 } 1501 1502 } 1503 */ 1504 break; 1505 default: 1506 sbp_show_sdev_info(ocb->sdev, 2); 1507 printf("sbp_scsi_status: unknown scsi status 0x%x\n", 1508 sbp_cmd_status->status); 1509 } 1510 } 1511 1512 static void 1513 sbp_fix_inq_data(struct sbp_ocb *ocb) 1514 { 1515 union ccb *ccb; 1516 struct sbp_dev *sdev; 1517 struct scsi_inquiry_data *inq; 1518 1519 ccb = ocb->ccb; 1520 sdev = ocb->sdev; 1521 1522 if (ccb->csio.cdb_io.cdb_bytes[1] & SI_EVPD) 1523 return; 1524 SBP_DEBUG(1) 1525 sbp_show_sdev_info(sdev, 2); 1526 printf("sbp_fix_inq_data\n"); 1527 END_DEBUG 1528 inq = (struct scsi_inquiry_data *) ccb->csio.data_ptr; 1529 switch (SID_TYPE(inq)) { 1530 case T_DIRECT: 1531 #if 0 1532 /* 1533 * XXX Convert Direct Access device to RBC. 1534 * I've never seen FireWire DA devices which support READ_6. 1535 */ 1536 if (SID_TYPE(inq) == T_DIRECT) 1537 inq->device |= T_RBC; /* T_DIRECT == 0 */ 1538 #endif 1539 /* fall through */ 1540 case T_RBC: 1541 /* enable tagged queuing */ 1542 if (sbp_tags) 1543 inq->flags |= SID_CmdQue; 1544 else 1545 inq->flags &= ~SID_CmdQue; 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 1559 static void 1560 sbp_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; 1577 printf("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])); 1579 printf("sbp %08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 1580 printf("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; 1598 SBP_DEBUG(2) 1599 printf("received address 0x%x\n", addr); 1600 END_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 printf("No ocb(%x) on the queue\n", 1633 ntohl(sbp_status->orb_lo)); 1634 } 1635 break; 1636 case 2: 1637 /* unsolicit */ 1638 sbp_show_sdev_info(sdev, 2); 1639 printf("unsolicit status received\n"); 1640 break; 1641 default: 1642 sbp_show_sdev_info(sdev, 2); 1643 printf("unknown sbp_status->src\n"); 1644 } 1645 1646 status_valid0 = (sbp_status->src < 2 1647 && sbp_status->resp == ORB_RES_CMPL 1648 && sbp_status->dead == 0); 1649 status_valid = (status_valid0 && sbp_status->status == 0); 1650 1651 if (!status_valid0 || debug > 2){ 1652 int status; 1653 SBP_DEBUG(0) 1654 sbp_show_sdev_info(sdev, 2); 1655 printf("ORB status src:%x resp:%x dead:%x" 1656 " len:%x stat:%x orb:%x%08x\n", 1657 sbp_status->src, sbp_status->resp, sbp_status->dead, 1658 sbp_status->len, sbp_status->status, 1659 ntohs(sbp_status->orb_hi), ntohl(sbp_status->orb_lo)); 1660 END_DEBUG 1661 sbp_show_sdev_info(sdev, 2); 1662 status = sbp_status->status; 1663 switch(sbp_status->resp) { 1664 case 0: 1665 if (status > MAX_ORB_STATUS0) 1666 printf("%s\n", orb_status0[MAX_ORB_STATUS0]); 1667 else 1668 printf("%s\n", orb_status0[status]); 1669 break; 1670 case 1: 1671 printf("Obj: %s, Error: %s\n", 1672 orb_status1_object[(status>>6) & 3], 1673 orb_status1_serial_bus_error[status & 0xf]); 1674 break; 1675 case 2: 1676 printf("Illegal request\n"); 1677 break; 1678 case 3: 1679 printf("Vendor dependent\n"); 1680 break; 1681 default: 1682 printf("unknown respose code %d\n", sbp_status->resp); 1683 } 1684 } 1685 1686 /* we have to reset the fetch agent if it's dead */ 1687 if (sbp_status->dead) { 1688 if (sdev->path) { 1689 xpt_freeze_devq(sdev->path, 1); 1690 sdev->freeze ++; 1691 } 1692 reset_agent = 1; 1693 } 1694 1695 if (ocb == NULL) 1696 goto done; 1697 1698 switch(ntohl(ocb->orb[4]) & ORB_FMT_MSK){ 1699 case ORB_FMT_NOP: 1700 break; 1701 case ORB_FMT_VED: 1702 break; 1703 case ORB_FMT_STD: 1704 switch(ocb->flags) { 1705 case OCB_ACT_MGM: 1706 orb_fun = ntohl(ocb->orb[4]) & ORB_FUN_MSK; 1707 reset_agent = 0; 1708 switch(orb_fun) { 1709 case ORB_FUN_LGI: 1710 fwdma_sync(&sdev->dma, BUS_DMASYNC_POSTREAD); 1711 login_res = sdev->login; 1712 login_res->len = ntohs(login_res->len); 1713 login_res->id = ntohs(login_res->id); 1714 login_res->cmd_hi = ntohs(login_res->cmd_hi); 1715 login_res->cmd_lo = ntohl(login_res->cmd_lo); 1716 if (status_valid) { 1717 SBP_DEBUG(0) 1718 sbp_show_sdev_info(sdev, 2); 1719 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)); 1720 END_DEBUG 1721 sbp_busy_timeout(sdev); 1722 } else { 1723 /* forgot logout? */ 1724 sbp_show_sdev_info(sdev, 2); 1725 printf("login failed\n"); 1726 sdev->status = SBP_DEV_RESET; 1727 } 1728 break; 1729 case ORB_FUN_RCN: 1730 login_res = sdev->login; 1731 if (status_valid) { 1732 SBP_DEBUG(0) 1733 sbp_show_sdev_info(sdev, 2); 1734 printf("reconnect: len %d, ID %d, cmd %08x%08x\n", login_res->len, login_res->id, login_res->cmd_hi, login_res->cmd_lo); 1735 END_DEBUG 1736 #if 1 1737 if (sdev->status == SBP_DEV_ATTACHED) 1738 sbp_scan_dev(sdev); 1739 else 1740 sbp_agent_reset(sdev); 1741 #else 1742 sdev->status = SBP_DEV_ATTACHED; 1743 sbp_mgm_orb(sdev, ORB_FUN_ATS, NULL); 1744 #endif 1745 } else { 1746 /* reconnection hold time exceed? */ 1747 SBP_DEBUG(0) 1748 sbp_show_sdev_info(sdev, 2); 1749 printf("reconnect failed\n"); 1750 END_DEBUG 1751 sbp_login(sdev); 1752 } 1753 break; 1754 case ORB_FUN_LGO: 1755 sdev->status = SBP_DEV_RESET; 1756 break; 1757 case ORB_FUN_RST: 1758 sbp_busy_timeout(sdev); 1759 break; 1760 case ORB_FUN_LUR: 1761 case ORB_FUN_ATA: 1762 case ORB_FUN_ATS: 1763 sbp_agent_reset(sdev); 1764 break; 1765 default: 1766 sbp_show_sdev_info(sdev, 2); 1767 printf("unknown function %d\n", orb_fun); 1768 break; 1769 } 1770 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 1771 break; 1772 case OCB_ACT_CMD: 1773 sdev->timeout = 0; 1774 if(ocb->ccb != NULL){ 1775 union ccb *ccb; 1776 /* 1777 u_int32_t *ld; 1778 ld = ocb->ccb->csio.data_ptr; 1779 if(ld != NULL && ocb->ccb->csio.dxfer_len != 0) 1780 printf("ptr %08x %08x %08x %08x\n", ld[0], ld[1], ld[2], ld[3]); 1781 else 1782 printf("ptr NULL\n"); 1783 printf("len %d\n", sbp_status->len); 1784 */ 1785 ccb = ocb->ccb; 1786 if(sbp_status->len > 1){ 1787 sbp_scsi_status(sbp_status, ocb); 1788 }else{ 1789 if(sbp_status->resp != ORB_RES_CMPL){ 1790 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1791 }else{ 1792 ccb->ccb_h.status = CAM_REQ_CMP; 1793 } 1794 } 1795 /* fix up inq data */ 1796 if (ccb->csio.cdb_io.cdb_bytes[0] == INQUIRY) 1797 sbp_fix_inq_data(ocb); 1798 xpt_done(ccb); 1799 } 1800 break; 1801 default: 1802 break; 1803 } 1804 } 1805 1806 sbp_free_ocb(sdev, ocb); 1807 done: 1808 if (reset_agent) 1809 sbp_agent_reset(sdev); 1810 1811 done0: 1812 xfer->recv.pay_len = SBP_RECV_LEN; 1813 /* The received packet is usually small enough to be stored within 1814 * the buffer. In that case, the controller return ack_complete and 1815 * no respose is necessary. 1816 * 1817 * XXX fwohci.c and firewire.c should inform event_code such as 1818 * ack_complete or ack_pending to upper driver. 1819 */ 1820 #if NEED_RESPONSE 1821 xfer->send.off = 0; 1822 sfp = (struct fw_pkt *)xfer->send.buf; 1823 sfp->mode.wres.dst = rfp->mode.wreqb.src; 1824 xfer->dst = sfp->mode.wres.dst; 1825 xfer->spd = min(sdev->target->fwdev->speed, max_speed); 1826 xfer->act.hand = sbp_loginres_callback; 1827 xfer->retry_req = fw_asybusy; 1828 1829 sfp->mode.wres.tlrt = rfp->mode.wreqb.tlrt; 1830 sfp->mode.wres.tcode = FWTCODE_WRES; 1831 sfp->mode.wres.rtcode = 0; 1832 sfp->mode.wres.pri = 0; 1833 1834 fw_asyreq(xfer->fc, -1, xfer); 1835 #else 1836 /* recycle */ 1837 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link); 1838 #endif 1839 1840 return; 1841 1842 } 1843 1844 static void 1845 sbp_recv(struct fw_xfer *xfer) 1846 { 1847 crit_enter(); 1848 sbp_recv1(xfer); 1849 crit_exit(); 1850 } 1851 /* 1852 * sbp_attach() 1853 */ 1854 static int 1855 sbp_attach(device_t dev) 1856 { 1857 struct sbp_softc *sbp; 1858 struct cam_devq *devq; 1859 struct fw_xfer *xfer; 1860 int i, error; 1861 1862 SBP_DEBUG(0) 1863 printf("sbp_attach (cold=%d)\n", cold); 1864 END_DEBUG 1865 1866 if (cold) 1867 sbp_cold ++; 1868 sbp = ((struct sbp_softc *)device_get_softc(dev)); 1869 bzero(sbp, sizeof(struct sbp_softc)); 1870 sbp->fd.dev = dev; 1871 sbp->fd.fc = device_get_ivars(dev); 1872 1873 if (max_speed < 0) 1874 max_speed = sbp->fd.fc->speed; 1875 1876 error = bus_dma_tag_create(/*parent*/sbp->fd.fc->dmat, 1877 /* XXX shoud be 4 for sane backend? */ 1878 /*alignment*/1, 1879 /*boundary*/0, 1880 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, 1881 /*highaddr*/BUS_SPACE_MAXADDR, 1882 /*filter*/NULL, /*filterarg*/NULL, 1883 /*maxsize*/0x100000, /*nsegments*/SBP_IND_MAX, 1884 /*maxsegsz*/SBP_SEG_MAX, 1885 /*flags*/BUS_DMA_ALLOCNOW, 1886 #if defined(__FreeBSD__) && __FreeBSD_version >= 501102 1887 /*lockfunc*/busdma_lock_mutex, 1888 /*lockarg*/&Giant, 1889 #endif 1890 &sbp->dmat); 1891 if (error != 0) { 1892 printf("sbp_attach: Could not allocate DMA tag " 1893 "- error %d\n", error); 1894 return (ENOMEM); 1895 } 1896 1897 devq = cam_simq_alloc(/*maxopenings*/SBP_NUM_OCB); 1898 if (devq == NULL) 1899 return (ENXIO); 1900 1901 for( i = 0 ; i < SBP_NUM_TARGETS ; i++){ 1902 sbp->targets[i].fwdev = NULL; 1903 sbp->targets[i].luns = NULL; 1904 } 1905 1906 sbp->sim = cam_sim_alloc(sbp_action, sbp_poll, "sbp", sbp, 1907 device_get_unit(dev), 1908 /*untagged*/ 1, 1909 /*tagged*/ SBP_QUEUE_LEN - 1, 1910 devq); 1911 cam_simq_release(devq); 1912 if (sbp->sim == NULL) 1913 return (ENXIO); 1914 1915 if (xpt_bus_register(sbp->sim, /*bus*/0) != CAM_SUCCESS) 1916 goto fail; 1917 1918 if (xpt_create_path(&sbp->path, xpt_periph, cam_sim_path(sbp->sim), 1919 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 1920 xpt_bus_deregister(cam_sim_path(sbp->sim)); 1921 goto fail; 1922 } 1923 1924 /* We reserve 16 bit space (4 bytes X 64 targets X 256 luns) */ 1925 sbp->fwb.start = ((u_int64_t)SBP_BIND_HI << 32) | SBP_DEV2ADDR(0, 0); 1926 sbp->fwb.end = sbp->fwb.start + 0xffff; 1927 sbp->fwb.act_type = FWACT_XFER; 1928 /* pre-allocate xfer */ 1929 STAILQ_INIT(&sbp->fwb.xferlist); 1930 for (i = 0; i < SBP_NUM_OCB/2; i ++) { 1931 xfer = fw_xfer_alloc_buf(M_SBP, 1932 /* send */0, 1933 /* recv */SBP_RECV_LEN); 1934 xfer->act.hand = sbp_recv; 1935 #if NEED_RESPONSE 1936 xfer->fc = sbp->fd.fc; 1937 #endif 1938 xfer->sc = (caddr_t)sbp; 1939 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link); 1940 } 1941 fw_bindadd(sbp->fd.fc, &sbp->fwb); 1942 1943 sbp->fd.post_busreset = sbp_post_busreset; 1944 sbp->fd.post_explore = sbp_post_explore; 1945 1946 if (sbp->fd.fc->status != -1) { 1947 crit_enter(); 1948 sbp_post_busreset((void *)sbp); 1949 sbp_post_explore((void *)sbp); 1950 crit_exit(); 1951 } 1952 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL); 1953 1954 return (0); 1955 fail: 1956 cam_sim_free(sbp->sim); 1957 return (ENXIO); 1958 } 1959 1960 static int 1961 sbp_logout_all(struct sbp_softc *sbp) 1962 { 1963 struct sbp_target *target; 1964 struct sbp_dev *sdev; 1965 int i, j; 1966 1967 SBP_DEBUG(0) 1968 printf("sbp_logout_all\n"); 1969 END_DEBUG 1970 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) { 1971 target = &sbp->targets[i]; 1972 if (target->luns == NULL) 1973 continue; 1974 for (j = 0; j < target->num_lun; j++) { 1975 sdev = target->luns[j]; 1976 if (sdev == NULL) 1977 continue; 1978 callout_stop(&sdev->login_callout); 1979 if (sdev->status >= SBP_DEV_TOATTACH && 1980 sdev->status <= SBP_DEV_ATTACHED) 1981 sbp_mgm_orb(sdev, ORB_FUN_LGO, NULL); 1982 } 1983 } 1984 1985 return 0; 1986 } 1987 1988 static int 1989 sbp_shutdown(device_t dev) 1990 { 1991 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 1992 1993 sbp_logout_all(sbp); 1994 return (0); 1995 } 1996 1997 static void 1998 sbp_free_sdev(struct sbp_dev *sdev) 1999 { 2000 int i; 2001 2002 if (sdev == NULL) 2003 return; 2004 for (i = 0; i < SBP_QUEUE_LEN; i++) 2005 bus_dmamap_destroy(sdev->target->sbp->dmat, 2006 sdev->ocb[i].dmamap); 2007 fwdma_free(sdev->target->sbp->fd.fc, &sdev->dma); 2008 free(sdev, M_SBP); 2009 } 2010 2011 static void 2012 sbp_free_target(struct sbp_target *target) 2013 { 2014 struct sbp_softc *sbp; 2015 struct fw_xfer *xfer, *next; 2016 int i; 2017 2018 if (target->luns == NULL) 2019 return; 2020 callout_stop(&target->mgm_ocb_timeout); 2021 sbp = target->sbp; 2022 for (i = 0; i < target->num_lun; i++) 2023 sbp_free_sdev(target->luns[i]); 2024 2025 for (xfer = STAILQ_FIRST(&target->xferlist); 2026 xfer != NULL; xfer = next) { 2027 next = STAILQ_NEXT(xfer, link); 2028 fw_xfer_free_buf(xfer); 2029 } 2030 STAILQ_INIT(&target->xferlist); 2031 free(target->luns, M_SBP); 2032 target->num_lun = 0;; 2033 target->luns = NULL; 2034 target->fwdev = NULL; 2035 } 2036 2037 static int 2038 sbp_detach(device_t dev) 2039 { 2040 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 2041 struct firewire_comm *fc = sbp->fd.fc; 2042 struct fw_xfer *xfer, *next; 2043 int i; 2044 2045 SBP_DEBUG(0) 2046 printf("sbp_detach\n"); 2047 END_DEBUG 2048 2049 for (i = 0; i < SBP_NUM_TARGETS; i ++) 2050 sbp_cam_detach_target(&sbp->targets[i]); 2051 xpt_async(AC_LOST_DEVICE, sbp->path, NULL); 2052 xpt_free_path(sbp->path); 2053 xpt_bus_deregister(cam_sim_path(sbp->sim)); 2054 cam_sim_free(sbp->sim); 2055 2056 sbp_logout_all(sbp); 2057 2058 /* XXX wait for logout completion */ 2059 tsleep(&i, FWPRI, "sbpdtc", hz/2); 2060 2061 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) 2062 sbp_free_target(&sbp->targets[i]); 2063 2064 for (xfer = STAILQ_FIRST(&sbp->fwb.xferlist); 2065 xfer != NULL; xfer = next) { 2066 next = STAILQ_NEXT(xfer, link); 2067 fw_xfer_free_buf(xfer); 2068 } 2069 STAILQ_INIT(&sbp->fwb.xferlist); 2070 fw_bindremove(fc, &sbp->fwb); 2071 2072 bus_dma_tag_destroy(sbp->dmat); 2073 2074 return (0); 2075 } 2076 2077 static void 2078 sbp_cam_detach_sdev(struct sbp_dev *sdev) 2079 { 2080 if (sdev == NULL) 2081 return; 2082 if (sdev->status == SBP_DEV_DEAD) 2083 return; 2084 if (sdev->status == SBP_DEV_RESET) 2085 return; 2086 if (sdev->path) { 2087 xpt_release_devq(sdev->path, 2088 sdev->freeze, TRUE); 2089 sdev->freeze = 0; 2090 xpt_async(AC_LOST_DEVICE, sdev->path, NULL); 2091 xpt_free_path(sdev->path); 2092 sdev->path = NULL; 2093 } 2094 sbp_abort_all_ocbs(sdev, CAM_DEV_NOT_THERE); 2095 } 2096 2097 static void 2098 sbp_cam_detach_target(struct sbp_target *target) 2099 { 2100 int i; 2101 2102 if (target->luns != NULL) { 2103 SBP_DEBUG(0) 2104 printf("sbp_detach_target %d\n", target->target_id); 2105 END_DEBUG 2106 callout_stop(&target->scan_callout); 2107 for (i = 0; i < target->num_lun; i++) 2108 sbp_cam_detach_sdev(target->luns[i]); 2109 } 2110 } 2111 2112 static void 2113 sbp_target_reset(struct sbp_dev *sdev, int method) 2114 { 2115 int i; 2116 struct sbp_target *target = sdev->target; 2117 struct sbp_dev *tsdev; 2118 2119 for (i = 0; i < target->num_lun; i++) { 2120 tsdev = target->luns[i]; 2121 if (tsdev == NULL) 2122 continue; 2123 if (tsdev->status == SBP_DEV_DEAD) 2124 continue; 2125 if (tsdev->status == SBP_DEV_RESET) 2126 continue; 2127 xpt_freeze_devq(tsdev->path, 1); 2128 tsdev->freeze ++; 2129 sbp_abort_all_ocbs(tsdev, CAM_CMD_TIMEOUT); 2130 if (method == 2) 2131 tsdev->status = SBP_DEV_LOGIN; 2132 } 2133 switch(method) { 2134 case 1: 2135 printf("target reset\n"); 2136 sbp_mgm_orb(sdev, ORB_FUN_RST, NULL); 2137 break; 2138 case 2: 2139 printf("reset start\n"); 2140 sbp_reset_start(sdev); 2141 break; 2142 } 2143 2144 } 2145 2146 static void 2147 sbp_mgm_timeout(void *arg) 2148 { 2149 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 2150 struct sbp_dev *sdev = ocb->sdev; 2151 struct sbp_target *target = sdev->target; 2152 2153 sbp_show_sdev_info(sdev, 2); 2154 printf("request timeout(mgm orb:0x%08x) ... ", 2155 (u_int32_t)ocb->bus_addr); 2156 target->mgm_ocb_cur = NULL; 2157 sbp_free_ocb(sdev, ocb); 2158 #if 0 2159 /* XXX */ 2160 printf("run next request\n"); 2161 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 2162 #endif 2163 #if 1 2164 printf("reset start\n"); 2165 sbp_reset_start(sdev); 2166 #endif 2167 } 2168 2169 static void 2170 sbp_timeout(void *arg) 2171 { 2172 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 2173 struct sbp_dev *sdev = ocb->sdev; 2174 2175 sbp_show_sdev_info(sdev, 2); 2176 printf("request timeout(cmd orb:0x%08x) ... ", 2177 (u_int32_t)ocb->bus_addr); 2178 2179 sdev->timeout ++; 2180 switch(sdev->timeout) { 2181 case 1: 2182 printf("agent reset\n"); 2183 xpt_freeze_devq(sdev->path, 1); 2184 sdev->freeze ++; 2185 sbp_abort_all_ocbs(sdev, CAM_CMD_TIMEOUT); 2186 sbp_agent_reset(sdev); 2187 break; 2188 case 2: 2189 case 3: 2190 sbp_target_reset(sdev, sdev->timeout - 1); 2191 break; 2192 #if 0 2193 default: 2194 /* XXX give up */ 2195 sbp_cam_detach_target(target); 2196 if (target->luns != NULL) 2197 free(target->luns, M_SBP); 2198 target->num_lun = 0;; 2199 target->luns = NULL; 2200 target->fwdev = NULL; 2201 #endif 2202 } 2203 } 2204 2205 static void 2206 sbp_action1(struct cam_sim *sim, union ccb *ccb) 2207 { 2208 2209 struct sbp_softc *sbp = (struct sbp_softc *)sim->softc; 2210 struct sbp_target *target = NULL; 2211 struct sbp_dev *sdev = NULL; 2212 2213 /* target:lun -> sdev mapping */ 2214 if (sbp != NULL 2215 && ccb->ccb_h.target_id != CAM_TARGET_WILDCARD 2216 && ccb->ccb_h.target_id < SBP_NUM_TARGETS) { 2217 target = &sbp->targets[ccb->ccb_h.target_id]; 2218 if (target->fwdev != NULL 2219 && ccb->ccb_h.target_lun != CAM_LUN_WILDCARD 2220 && ccb->ccb_h.target_lun < target->num_lun) { 2221 sdev = target->luns[ccb->ccb_h.target_lun]; 2222 if (sdev != NULL && sdev->status != SBP_DEV_ATTACHED && 2223 sdev->status != SBP_DEV_PROBE) 2224 sdev = NULL; 2225 } 2226 } 2227 2228 SBP_DEBUG(1) 2229 if (sdev == NULL) 2230 printf("invalid target %d lun %d\n", 2231 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2232 END_DEBUG 2233 2234 switch (ccb->ccb_h.func_code) { 2235 case XPT_SCSI_IO: 2236 case XPT_RESET_DEV: 2237 case XPT_GET_TRAN_SETTINGS: 2238 case XPT_SET_TRAN_SETTINGS: 2239 case XPT_CALC_GEOMETRY: 2240 if (sdev == NULL) { 2241 SBP_DEBUG(1) 2242 printf("%s:%d:%d:func_code 0x%04x: " 2243 "Invalid target (target needed)\n", 2244 device_get_nameunit(sbp->fd.dev), 2245 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2246 ccb->ccb_h.func_code); 2247 END_DEBUG 2248 2249 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2250 xpt_done(ccb); 2251 return; 2252 } 2253 break; 2254 case XPT_PATH_INQ: 2255 case XPT_NOOP: 2256 /* The opcodes sometimes aimed at a target (sc is valid), 2257 * sometimes aimed at the SIM (sc is invalid and target is 2258 * CAM_TARGET_WILDCARD) 2259 */ 2260 if (sbp == NULL && 2261 ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) { 2262 SBP_DEBUG(0) 2263 printf("%s:%d:%d func_code 0x%04x: " 2264 "Invalid target (no wildcard)\n", 2265 device_get_nameunit(sbp->fd.dev), 2266 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2267 ccb->ccb_h.func_code); 2268 END_DEBUG 2269 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2270 xpt_done(ccb); 2271 return; 2272 } 2273 break; 2274 default: 2275 /* XXX Hm, we should check the input parameters */ 2276 break; 2277 } 2278 2279 switch (ccb->ccb_h.func_code) { 2280 case XPT_SCSI_IO: 2281 { 2282 struct ccb_scsiio *csio; 2283 struct sbp_ocb *ocb; 2284 int speed; 2285 void *cdb; 2286 2287 csio = &ccb->csio; 2288 2289 SBP_DEBUG(2) 2290 printf("%s:%d:%d XPT_SCSI_IO: " 2291 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 2292 ", flags: 0x%02x, " 2293 "%db cmd/%db data/%db sense\n", 2294 device_get_nameunit(sbp->fd.dev), 2295 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2296 csio->cdb_io.cdb_bytes[0], 2297 csio->cdb_io.cdb_bytes[1], 2298 csio->cdb_io.cdb_bytes[2], 2299 csio->cdb_io.cdb_bytes[3], 2300 csio->cdb_io.cdb_bytes[4], 2301 csio->cdb_io.cdb_bytes[5], 2302 csio->cdb_io.cdb_bytes[6], 2303 csio->cdb_io.cdb_bytes[7], 2304 csio->cdb_io.cdb_bytes[8], 2305 csio->cdb_io.cdb_bytes[9], 2306 ccb->ccb_h.flags & CAM_DIR_MASK, 2307 csio->cdb_len, csio->dxfer_len, 2308 csio->sense_len); 2309 END_DEBUG 2310 if(sdev == NULL){ 2311 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2312 xpt_done(ccb); 2313 return; 2314 } 2315 #if 0 2316 /* if we are in probe stage, pass only probe commands */ 2317 if (sdev->status == SBP_DEV_PROBE) { 2318 char *name; 2319 name = xpt_path_periph(ccb->ccb_h.path)->periph_name; 2320 printf("probe stage, periph name: %s\n", name); 2321 if (strcmp(name, "probe") != 0) { 2322 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2323 xpt_done(ccb); 2324 return; 2325 } 2326 } 2327 #endif 2328 if ((ocb = sbp_get_ocb(sdev)) == NULL) { 2329 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2330 xpt_done(ccb); 2331 return; 2332 } 2333 2334 ocb->flags = OCB_ACT_CMD; 2335 ocb->sdev = sdev; 2336 ocb->ccb = ccb; 2337 ccb->ccb_h.ccb_sdev_ptr = sdev; 2338 ocb->orb[0] = htonl(1 << 31); 2339 ocb->orb[1] = 0; 2340 ocb->orb[2] = htonl(((sbp->fd.fc->nodeid | FWLOCALBUS )<< 16) ); 2341 ocb->orb[3] = htonl(ocb->bus_addr + IND_PTR_OFFSET); 2342 speed = min(target->fwdev->speed, max_speed); 2343 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_CMD_SPD(speed) 2344 | ORB_CMD_MAXP(speed + 7)); 2345 if((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN){ 2346 ocb->orb[4] |= htonl(ORB_CMD_IN); 2347 } 2348 2349 if (csio->ccb_h.flags & CAM_SCATTER_VALID) 2350 printf("sbp: CAM_SCATTER_VALID\n"); 2351 if (csio->ccb_h.flags & CAM_DATA_PHYS) 2352 printf("sbp: CAM_DATA_PHYS\n"); 2353 2354 if (csio->ccb_h.flags & CAM_CDB_POINTER) 2355 cdb = (void *)csio->cdb_io.cdb_ptr; 2356 else 2357 cdb = (void *)&csio->cdb_io.cdb_bytes; 2358 bcopy(cdb, (void *)&ocb->orb[5], csio->cdb_len); 2359 /* 2360 printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[0]), ntohl(ocb->orb[1]), ntohl(ocb->orb[2]), ntohl(ocb->orb[3])); 2361 printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[4]), ntohl(ocb->orb[5]), ntohl(ocb->orb[6]), ntohl(ocb->orb[7])); 2362 */ 2363 if (ccb->csio.dxfer_len > 0) { 2364 int error; 2365 2366 crit_enter(); 2367 error = bus_dmamap_load(/*dma tag*/sbp->dmat, 2368 /*dma map*/ocb->dmamap, 2369 ccb->csio.data_ptr, 2370 ccb->csio.dxfer_len, 2371 sbp_execute_ocb, 2372 ocb, 2373 /*flags*/0); 2374 crit_exit(); 2375 if (error) 2376 printf("sbp: bus_dmamap_load error %d\n", error); 2377 } else 2378 sbp_execute_ocb(ocb, NULL, 0, 0); 2379 break; 2380 } 2381 case XPT_CALC_GEOMETRY: 2382 { 2383 struct ccb_calc_geometry *ccg; 2384 #if defined(__DragonFly__) || __FreeBSD_version < 501100 2385 u_int32_t size_mb; 2386 u_int32_t secs_per_cylinder; 2387 int extended = 1; 2388 #endif 2389 2390 ccg = &ccb->ccg; 2391 if (ccg->block_size == 0) { 2392 printf("sbp_action1: block_size is 0.\n"); 2393 ccb->ccb_h.status = CAM_REQ_INVALID; 2394 xpt_done(ccb); 2395 break; 2396 } 2397 SBP_DEBUG(1) 2398 printf("%s:%d:%d:%d:XPT_CALC_GEOMETRY: " 2399 #if defined(__DragonFly__) || __FreeBSD_version < 500000 2400 "Volume size = %d\n", 2401 #else 2402 "Volume size = %jd\n", 2403 #endif 2404 device_get_nameunit(sbp->fd.dev), 2405 cam_sim_path(sbp->sim), 2406 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2407 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000 2408 (uintmax_t) 2409 #endif 2410 ccg->volume_size); 2411 END_DEBUG 2412 2413 #if defined(__DragonFly__) || __FreeBSD_version < 501100 2414 size_mb = ccg->volume_size 2415 / ((1024L * 1024L) / ccg->block_size); 2416 2417 if (size_mb > 1024 && extended) { 2418 ccg->heads = 255; 2419 ccg->secs_per_track = 63; 2420 } else { 2421 ccg->heads = 64; 2422 ccg->secs_per_track = 32; 2423 } 2424 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 2425 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 2426 ccb->ccb_h.status = CAM_REQ_CMP; 2427 #else 2428 cam_calc_geometry(ccg, /*extended*/1); 2429 #endif 2430 xpt_done(ccb); 2431 break; 2432 } 2433 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 2434 { 2435 2436 SBP_DEBUG(1) 2437 printf("%s:%d:XPT_RESET_BUS: \n", 2438 device_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim)); 2439 END_DEBUG 2440 2441 ccb->ccb_h.status = CAM_REQ_INVALID; 2442 xpt_done(ccb); 2443 break; 2444 } 2445 case XPT_PATH_INQ: /* Path routing inquiry */ 2446 { 2447 struct ccb_pathinq *cpi = &ccb->cpi; 2448 2449 SBP_DEBUG(1) 2450 printf("%s:%d:%d XPT_PATH_INQ:.\n", 2451 device_get_nameunit(sbp->fd.dev), 2452 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2453 END_DEBUG 2454 cpi->version_num = 1; /* XXX??? */ 2455 cpi->hba_inquiry = PI_TAG_ABLE; 2456 cpi->target_sprt = 0; 2457 cpi->hba_misc = PIM_NOBUSRESET | PIM_NO_6_BYTE; 2458 cpi->hba_eng_cnt = 0; 2459 cpi->max_target = SBP_NUM_TARGETS - 1; 2460 cpi->max_lun = SBP_NUM_LUNS - 1; 2461 cpi->initiator_id = SBP_INITIATOR; 2462 cpi->bus_id = sim->bus_id; 2463 cpi->base_transfer_speed = 400 * 1000 / 8; 2464 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 2465 strncpy(cpi->hba_vid, "SBP", HBA_IDLEN); 2466 strncpy(cpi->dev_name, sim->sim_name, DEV_IDLEN); 2467 cpi->unit_number = sim->unit_number; 2468 2469 cpi->ccb_h.status = CAM_REQ_CMP; 2470 xpt_done(ccb); 2471 break; 2472 } 2473 case XPT_GET_TRAN_SETTINGS: 2474 { 2475 struct ccb_trans_settings *cts = &ccb->cts; 2476 SBP_DEBUG(1) 2477 printf("%s:%d:%d XPT_GET_TRAN_SETTINGS:.\n", 2478 device_get_nameunit(sbp->fd.dev), 2479 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2480 END_DEBUG 2481 /* Enable disconnect and tagged queuing */ 2482 cts->valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID; 2483 cts->flags = CCB_TRANS_DISC_ENB | CCB_TRANS_TAG_ENB; 2484 2485 cts->ccb_h.status = CAM_REQ_CMP; 2486 xpt_done(ccb); 2487 break; 2488 } 2489 case XPT_ABORT: 2490 ccb->ccb_h.status = CAM_UA_ABORT; 2491 xpt_done(ccb); 2492 break; 2493 case XPT_SET_TRAN_SETTINGS: 2494 /* XXX */ 2495 default: 2496 ccb->ccb_h.status = CAM_REQ_INVALID; 2497 xpt_done(ccb); 2498 break; 2499 } 2500 return; 2501 } 2502 2503 static void 2504 sbp_action(struct cam_sim *sim, union ccb *ccb) 2505 { 2506 crit_enter(); 2507 sbp_action1(sim, ccb); 2508 crit_exit(); 2509 } 2510 2511 static void 2512 sbp_execute_ocb(void *arg, bus_dma_segment_t *segments, int seg, int error) 2513 { 2514 int i; 2515 struct sbp_ocb *ocb; 2516 struct sbp_ocb *prev; 2517 bus_dma_segment_t *s; 2518 2519 if (error) 2520 printf("sbp_execute_ocb: error=%d\n", error); 2521 2522 ocb = (struct sbp_ocb *)arg; 2523 2524 SBP_DEBUG(2) 2525 printf("sbp_execute_ocb: seg %d", seg); 2526 for (i = 0; i < seg; i++) 2527 #if defined(__DragonFly__) || __FreeBSD_version < 500000 2528 printf(", %x:%d", segments[i].ds_addr, segments[i].ds_len); 2529 #else 2530 printf(", %jx:%jd", (uintmax_t)segments[i].ds_addr, 2531 (uintmax_t)segments[i].ds_len); 2532 #endif 2533 printf("\n"); 2534 END_DEBUG 2535 2536 if (seg == 1) { 2537 /* direct pointer */ 2538 s = &segments[0]; 2539 if (s->ds_len > SBP_SEG_MAX) 2540 panic("ds_len > SBP_SEG_MAX, fix busdma code"); 2541 ocb->orb[3] = htonl(s->ds_addr); 2542 ocb->orb[4] |= htonl(s->ds_len); 2543 } else if(seg > 1) { 2544 /* page table */ 2545 for (i = 0; i < seg; i++) { 2546 s = &segments[i]; 2547 SBP_DEBUG(0) 2548 /* XXX LSI Logic "< 16 byte" bug might be hit */ 2549 if (s->ds_len < 16) 2550 printf("sbp_execute_ocb: warning, " 2551 #if defined(__DragonFly__) || __FreeBSD_version < 500000 2552 "segment length(%d) is less than 16." 2553 #else 2554 "segment length(%zd) is less than 16." 2555 #endif 2556 "(seg=%d/%d)\n", s->ds_len, i+1, seg); 2557 END_DEBUG 2558 if (s->ds_len > SBP_SEG_MAX) 2559 panic("ds_len > SBP_SEG_MAX, fix busdma code"); 2560 ocb->ind_ptr[i].hi = htonl(s->ds_len << 16); 2561 ocb->ind_ptr[i].lo = htonl(s->ds_addr); 2562 } 2563 ocb->orb[4] |= htonl(ORB_CMD_PTBL | seg); 2564 } 2565 2566 if (seg > 0) 2567 bus_dmamap_sync(ocb->sdev->target->sbp->dmat, ocb->dmamap, 2568 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2569 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE); 2570 prev = sbp_enqueue_ocb(ocb->sdev, ocb); 2571 fwdma_sync(&ocb->sdev->dma, BUS_DMASYNC_PREWRITE); 2572 if (prev == NULL || (ocb->sdev->flags & ORB_LINK_DEAD) != 0) { 2573 ocb->sdev->flags &= ~ORB_LINK_DEAD; 2574 sbp_orb_pointer(ocb->sdev, ocb); 2575 } 2576 } 2577 2578 static void 2579 sbp_poll(struct cam_sim *sim) 2580 { 2581 struct sbp_softc *sbp; 2582 struct firewire_comm *fc; 2583 2584 sbp = (struct sbp_softc *)sim->softc; 2585 fc = sbp->fd.fc; 2586 2587 fc->poll(fc, 0, -1); 2588 2589 return; 2590 } 2591 2592 static struct sbp_ocb * 2593 sbp_dequeue_ocb(struct sbp_dev *sdev, struct sbp_status *sbp_status) 2594 { 2595 struct sbp_ocb *ocb; 2596 struct sbp_ocb *next; 2597 int order = 0; 2598 int flags; 2599 2600 crit_enter(); 2601 2602 SBP_DEBUG(1) 2603 sbp_show_sdev_info(sdev, 2); 2604 printf("%s: 0x%08x src %d\n", 2605 __func__, ntohl(sbp_status->orb_lo), sbp_status->src); 2606 END_DEBUG 2607 for (ocb = STAILQ_FIRST(&sdev->ocbs); ocb != NULL; ocb = next) { 2608 next = STAILQ_NEXT(ocb, ocb); 2609 flags = ocb->flags; 2610 if (OCB_MATCH(ocb, sbp_status)) { 2611 /* found */ 2612 STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb); 2613 if (ocb->ccb != NULL) 2614 callout_stop(&ocb->ccb->ccb_h.timeout_ch); 2615 if (ntohl(ocb->orb[4]) & 0xffff) { 2616 bus_dmamap_sync(sdev->target->sbp->dmat, 2617 ocb->dmamap, 2618 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2619 BUS_DMASYNC_POSTREAD : 2620 BUS_DMASYNC_POSTWRITE); 2621 bus_dmamap_unload(sdev->target->sbp->dmat, 2622 ocb->dmamap); 2623 } 2624 if (sbp_status->src == SRC_NO_NEXT) { 2625 if (next != NULL) 2626 sbp_orb_pointer(sdev, next); 2627 else if (order > 0) { 2628 /* 2629 * Unordered execution 2630 * We need to send pointer for 2631 * next ORB 2632 */ 2633 sdev->flags |= ORB_LINK_DEAD; 2634 } 2635 } 2636 break; 2637 } else 2638 order ++; 2639 } 2640 crit_exit(); 2641 SBP_DEBUG(0) 2642 if (ocb && order > 0) { 2643 sbp_show_sdev_info(sdev, 2); 2644 printf("unordered execution order:%d\n", order); 2645 } 2646 END_DEBUG 2647 return (ocb); 2648 } 2649 2650 static struct sbp_ocb * 2651 sbp_enqueue_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 2652 { 2653 struct sbp_ocb *prev; 2654 2655 crit_enter(); 2656 2657 SBP_DEBUG(1) 2658 sbp_show_sdev_info(sdev, 2); 2659 #if defined(__DragonFly__) || __FreeBSD_version < 500000 2660 printf("%s: 0x%08x\n", __func__, ocb->bus_addr); 2661 #else 2662 printf("%s: 0x%08jx\n", __func__, (uintmax_t)ocb->bus_addr); 2663 #endif 2664 END_DEBUG 2665 prev = STAILQ_LAST(&sdev->ocbs, sbp_ocb, ocb); 2666 STAILQ_INSERT_TAIL(&sdev->ocbs, ocb, ocb); 2667 2668 if (ocb->ccb != NULL) 2669 callout_reset(&ocb->ccb->ccb_h.timeout_ch, 2670 (ocb->ccb->ccb_h.timeout * hz) / 1000, sbp_timeout, ocb); 2671 2672 if (prev != NULL) { 2673 SBP_DEBUG(2) 2674 #if defined(__DragonFly__) || __FreeBSD_version < 500000 2675 printf("linking chain 0x%x -> 0x%x\n", 2676 prev->bus_addr, ocb->bus_addr); 2677 #else 2678 printf("linking chain 0x%jx -> 0x%jx\n", 2679 (uintmax_t)prev->bus_addr, (uintmax_t)ocb->bus_addr); 2680 #endif 2681 END_DEBUG 2682 prev->orb[1] = htonl(ocb->bus_addr); 2683 prev->orb[0] = 0; 2684 } 2685 crit_exit(); 2686 2687 return prev; 2688 } 2689 2690 static struct sbp_ocb * 2691 sbp_get_ocb(struct sbp_dev *sdev) 2692 { 2693 struct sbp_ocb *ocb; 2694 2695 crit_enter(); 2696 ocb = STAILQ_FIRST(&sdev->free_ocbs); 2697 if (ocb == NULL) { 2698 printf("ocb shortage!!!\n"); 2699 return NULL; 2700 } 2701 STAILQ_REMOVE_HEAD(&sdev->free_ocbs, ocb); 2702 crit_exit(); 2703 ocb->ccb = NULL; 2704 return (ocb); 2705 } 2706 2707 static void 2708 sbp_free_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 2709 { 2710 ocb->flags = 0; 2711 ocb->ccb = NULL; 2712 STAILQ_INSERT_TAIL(&sdev->free_ocbs, ocb, ocb); 2713 } 2714 2715 static void 2716 sbp_abort_ocb(struct sbp_ocb *ocb, int status) 2717 { 2718 struct sbp_dev *sdev; 2719 2720 sdev = ocb->sdev; 2721 SBP_DEBUG(0) 2722 sbp_show_sdev_info(sdev, 2); 2723 #if defined(__DragonFly__) || __FreeBSD_version < 500000 2724 printf("sbp_abort_ocb 0x%x\n", ocb->bus_addr); 2725 #else 2726 printf("sbp_abort_ocb 0x%jx\n", (uintmax_t)ocb->bus_addr); 2727 #endif 2728 END_DEBUG 2729 SBP_DEBUG(1) 2730 if (ocb->ccb != NULL) 2731 sbp_print_scsi_cmd(ocb); 2732 END_DEBUG 2733 if (ntohl(ocb->orb[4]) & 0xffff) { 2734 bus_dmamap_sync(sdev->target->sbp->dmat, ocb->dmamap, 2735 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2736 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 2737 bus_dmamap_unload(sdev->target->sbp->dmat, ocb->dmamap); 2738 } 2739 if (ocb->ccb != NULL) { 2740 callout_stop(&ocb->ccb->ccb_h.timeout_ch); 2741 ocb->ccb->ccb_h.status = status; 2742 xpt_done(ocb->ccb); 2743 } 2744 sbp_free_ocb(sdev, ocb); 2745 } 2746 2747 static void 2748 sbp_abort_all_ocbs(struct sbp_dev *sdev, int status) 2749 { 2750 struct sbp_ocb *ocb, *next; 2751 STAILQ_HEAD(, sbp_ocb) temp; 2752 2753 crit_enter(); 2754 bcopy(&sdev->ocbs, &temp, sizeof(temp)); 2755 STAILQ_INIT(&sdev->ocbs); 2756 for (ocb = STAILQ_FIRST(&temp); ocb != NULL; ocb = next) { 2757 next = STAILQ_NEXT(ocb, ocb); 2758 sbp_abort_ocb(ocb, status); 2759 } 2760 crit_exit(); 2761 } 2762 2763 static devclass_t sbp_devclass; 2764 2765 static device_method_t sbp_methods[] = { 2766 /* device interface */ 2767 DEVMETHOD(device_identify, sbp_identify), 2768 DEVMETHOD(device_probe, sbp_probe), 2769 DEVMETHOD(device_attach, sbp_attach), 2770 DEVMETHOD(device_detach, sbp_detach), 2771 DEVMETHOD(device_shutdown, sbp_shutdown), 2772 2773 { 0, 0 } 2774 }; 2775 2776 static driver_t sbp_driver = { 2777 "sbp", 2778 sbp_methods, 2779 sizeof(struct sbp_softc), 2780 }; 2781 2782 DECLARE_DUMMY_MODULE(sbp); 2783 DRIVER_MODULE(sbp, firewire, sbp_driver, sbp_devclass, 0, 0); 2784 MODULE_VERSION(sbp, 1); 2785 MODULE_DEPEND(sbp, firewire, 1, 1, 1); 2786 MODULE_DEPEND(sbp, cam, 1, 1, 1); 2787