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 1.9 2004/02/05 17:51:44 joerg 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 57 #ifdef __DragonFly__ 58 #include <bus/cam/cam.h> 59 #include <bus/cam/cam_ccb.h> 60 #include <bus/cam/cam_sim.h> 61 #include <bus/cam/cam_xpt_sim.h> 62 #include <bus/cam/cam_debug.h> 63 #include <bus/cam/cam_periph.h> 64 #include <bus/cam/scsi/scsi_all.h> 65 66 #include <bus/firewire/firewire.h> 67 #include <bus/firewire/firewirereg.h> 68 #include <bus/firewire/fwdma.h> 69 #include <bus/firewire/iec13213.h> 70 #include "sbp.h" 71 #else 72 #include <cam/cam.h> 73 #include <cam/cam_ccb.h> 74 #include <cam/cam_sim.h> 75 #include <cam/cam_xpt_sim.h> 76 #include <cam/cam_debug.h> 77 #include <cam/cam_periph.h> 78 #include <cam/scsi/scsi_all.h> 79 #endif 80 81 #define ccb_sdev_ptr spriv_ptr0 82 #define ccb_sbp_ptr spriv_ptr1 83 84 #define SBP_NUM_TARGETS 8 /* MAX 64 */ 85 /* 86 * Scan_bus doesn't work for more than 8 LUNs 87 * because of CAM_SCSI2_MAXLUN in cam_xpt.c 88 */ 89 #define SBP_NUM_LUNS 64 90 #define SBP_DMA_SIZE PAGE_SIZE 91 #define SBP_LOGIN_SIZE sizeof(struct sbp_login_res) 92 #define SBP_QUEUE_LEN ((SBP_DMA_SIZE - SBP_LOGIN_SIZE) / sizeof(struct sbp_ocb)) 93 #define SBP_NUM_OCB (SBP_QUEUE_LEN * SBP_NUM_TARGETS) 94 95 /* 96 * STATUS FIFO addressing 97 * bit 98 * ----------------------- 99 * 0- 1( 2): 0 (alingment) 100 * 2- 7( 6): target 101 * 8-15( 8): lun 102 * 16-31( 8): reserved 103 * 32-47(16): SBP_BIND_HI 104 * 48-64(16): bus_id, node_id 105 */ 106 #define SBP_BIND_HI 0x1 107 #define SBP_DEV2ADDR(t, l) \ 108 (((u_int64_t)SBP_BIND_HI << 32) \ 109 | (((l) & 0xff) << 8) \ 110 | (((t) & 0x3f) << 2)) 111 #define SBP_ADDR2TRG(a) (((a) >> 2) & 0x3f) 112 #define SBP_ADDR2LUN(a) (((a) >> 8) & 0xff) 113 #define SBP_INITIATOR 7 114 115 static char *orb_fun_name[] = { 116 ORB_FUN_NAMES 117 }; 118 119 static int debug = 0; 120 static int auto_login = 1; 121 static int max_speed = -1; 122 static int sbp_cold = 1; 123 static int ex_login = 1; 124 static int login_delay = 1000; /* msec */ 125 static int scan_delay = 500; /* msec */ 126 static int sbp_tags = 0; 127 128 SYSCTL_DECL(_hw_firewire); 129 SYSCTL_NODE(_hw_firewire, OID_AUTO, sbp, CTLFLAG_RD, 0, "SBP-II Subsystem"); 130 SYSCTL_INT(_debug, OID_AUTO, sbp_debug, CTLFLAG_RW, &debug, 0, 131 "SBP debug flag"); 132 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, auto_login, CTLFLAG_RW, &auto_login, 0, 133 "SBP perform login automatically"); 134 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, max_speed, CTLFLAG_RW, &max_speed, 0, 135 "SBP transfer max speed"); 136 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, exclusive_login, CTLFLAG_RW, 137 &ex_login, 0, "SBP transfer max speed"); 138 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, login_delay, CTLFLAG_RW, 139 &login_delay, 0, "SBP login delay in msec"); 140 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, scan_delay, CTLFLAG_RW, 141 &scan_delay, 0, "SBP scan delay in msec"); 142 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, tags, CTLFLAG_RW, &sbp_tags, 0, 143 "SBP tagged queuing support"); 144 145 TUNABLE_INT("hw.firewire.sbp.auto_login", &auto_login); 146 TUNABLE_INT("hw.firewire.sbp.max_speed", &max_speed); 147 TUNABLE_INT("hw.firewire.sbp.exclusive_login", &ex_login); 148 TUNABLE_INT("hw.firewire.sbp.login_delay", &login_delay); 149 TUNABLE_INT("hw.firewire.sbp.scan_delay", &scan_delay); 150 TUNABLE_INT("hw.firewire.sbp.tags", &sbp_tags); 151 152 #define NEED_RESPONSE 0 153 154 #define SBP_SEG_MAX rounddown(0xffff, PAGE_SIZE) 155 #ifdef __sparc64__ /* iommu */ 156 #define SBP_IND_MAX howmany(MAXPHYS, SBP_SEG_MAX) 157 #else 158 #define SBP_IND_MAX howmany(MAXPHYS, PAGE_SIZE) 159 #endif 160 struct sbp_ocb { 161 STAILQ_ENTRY(sbp_ocb) ocb; 162 union ccb *ccb; 163 bus_addr_t bus_addr; 164 u_int32_t orb[8]; 165 #define IND_PTR_OFFSET (8*sizeof(u_int32_t)) 166 struct ind_ptr ind_ptr[SBP_IND_MAX]; 167 struct sbp_dev *sdev; 168 int flags; /* XXX should be removed */ 169 bus_dmamap_t dmamap; 170 }; 171 172 #define OCB_ACT_MGM 0 173 #define OCB_ACT_CMD 1 174 #define OCB_MATCH(o,s) ((o)->bus_addr == ntohl((s)->orb_lo)) 175 176 struct sbp_dev{ 177 #define SBP_DEV_RESET 0 /* accept login */ 178 #define SBP_DEV_LOGIN 1 /* to login */ 179 #if 0 180 #define SBP_DEV_RECONN 2 /* to reconnect */ 181 #endif 182 #define SBP_DEV_TOATTACH 3 /* to attach */ 183 #define SBP_DEV_PROBE 4 /* scan lun */ 184 #define SBP_DEV_ATTACHED 5 /* in operation */ 185 #define SBP_DEV_DEAD 6 /* unavailable unit */ 186 #define SBP_DEV_RETRY 7 /* unavailable unit */ 187 u_int8_t status:4, 188 timeout:4; 189 u_int8_t type; 190 u_int16_t lun_id; 191 u_int16_t freeze; 192 #define ORB_LINK_DEAD (1 << 0) 193 #define VALID_LUN (1 << 1) 194 #define ORB_POINTER_ACTIVE (1 << 2) 195 #define ORB_POINTER_NEED (1 << 3) 196 u_int16_t flags; 197 struct cam_path *path; 198 struct sbp_target *target; 199 struct fwdma_alloc dma; 200 struct sbp_login_res *login; 201 struct callout login_callout; 202 struct sbp_ocb *ocb; 203 STAILQ_HEAD(, sbp_ocb) ocbs; 204 STAILQ_HEAD(, sbp_ocb) free_ocbs; 205 char vendor[32]; 206 char product[32]; 207 char revision[10]; 208 }; 209 210 struct sbp_target { 211 int target_id; 212 int num_lun; 213 struct sbp_dev **luns; 214 struct sbp_softc *sbp; 215 struct fw_device *fwdev; 216 u_int32_t mgm_hi, mgm_lo; 217 struct sbp_ocb *mgm_ocb_cur; 218 STAILQ_HEAD(, sbp_ocb) mgm_ocb_queue; 219 struct callout mgm_ocb_timeout; 220 struct callout scan_callout; 221 STAILQ_HEAD(, fw_xfer) xferlist; 222 int n_xfer; 223 }; 224 225 struct sbp_softc { 226 struct firewire_dev_comm fd; 227 struct cam_sim *sim; 228 struct cam_path *path; 229 struct sbp_target targets[SBP_NUM_TARGETS]; 230 struct fw_bind fwb; 231 bus_dma_tag_t dmat; 232 struct timeval last_busreset; 233 #define SIMQ_FREEZED 1 234 int flags; 235 }; 236 237 static void sbp_post_explore (void *); 238 static void sbp_recv (struct fw_xfer *); 239 static void sbp_mgm_callback (struct fw_xfer *); 240 #if 0 241 static void sbp_cmd_callback (struct fw_xfer *); 242 #endif 243 static void sbp_orb_pointer (struct sbp_dev *, struct sbp_ocb *); 244 static void sbp_execute_ocb (void *, bus_dma_segment_t *, int, int); 245 static void sbp_free_ocb (struct sbp_dev *, struct sbp_ocb *); 246 static void sbp_abort_ocb (struct sbp_ocb *, int); 247 static void sbp_abort_all_ocbs (struct sbp_dev *, int); 248 static struct fw_xfer * sbp_write_cmd (struct sbp_dev *, int, int); 249 static struct sbp_ocb * sbp_get_ocb (struct sbp_dev *); 250 static struct sbp_ocb * sbp_enqueue_ocb (struct sbp_dev *, struct sbp_ocb *); 251 static struct sbp_ocb * sbp_dequeue_ocb (struct sbp_dev *, struct sbp_status *); 252 static void sbp_cam_detach_sdev(struct sbp_dev *); 253 static void sbp_free_sdev(struct sbp_dev *); 254 static void sbp_cam_detach_target (struct sbp_target *); 255 static void sbp_free_target (struct sbp_target *); 256 static void sbp_mgm_timeout (void *arg); 257 static void sbp_timeout (void *arg); 258 static void sbp_mgm_orb (struct sbp_dev *, int, struct sbp_ocb *); 259 260 MALLOC_DEFINE(M_SBP, "sbp", "SBP-II/FireWire"); 261 262 /* cam related functions */ 263 static void sbp_action(struct cam_sim *sim, union ccb *ccb); 264 static void sbp_poll(struct cam_sim *sim); 265 static void sbp_cam_scan_lun(struct cam_periph *, union ccb *); 266 static void sbp_cam_scan_target(void *arg); 267 268 static char *orb_status0[] = { 269 /* 0 */ "No additional information to report", 270 /* 1 */ "Request type not supported", 271 /* 2 */ "Speed not supported", 272 /* 3 */ "Page size not supported", 273 /* 4 */ "Access denied", 274 /* 5 */ "Logical unit not supported", 275 /* 6 */ "Maximum payload too small", 276 /* 7 */ "Reserved for future standardization", 277 /* 8 */ "Resources unavailable", 278 /* 9 */ "Function rejected", 279 /* A */ "Login ID not recognized", 280 /* B */ "Dummy ORB completed", 281 /* C */ "Request aborted", 282 /* FF */ "Unspecified error" 283 #define MAX_ORB_STATUS0 0xd 284 }; 285 286 static char *orb_status1_object[] = { 287 /* 0 */ "Operation request block (ORB)", 288 /* 1 */ "Data buffer", 289 /* 2 */ "Page table", 290 /* 3 */ "Unable to specify" 291 }; 292 293 static char *orb_status1_serial_bus_error[] = { 294 /* 0 */ "Missing acknowledge", 295 /* 1 */ "Reserved; not to be used", 296 /* 2 */ "Time-out error", 297 /* 3 */ "Reserved; not to be used", 298 /* 4 */ "Busy retry limit exceeded(X)", 299 /* 5 */ "Busy retry limit exceeded(A)", 300 /* 6 */ "Busy retry limit exceeded(B)", 301 /* 7 */ "Reserved for future standardization", 302 /* 8 */ "Reserved for future standardization", 303 /* 9 */ "Reserved for future standardization", 304 /* A */ "Reserved for future standardization", 305 /* B */ "Tardy retry limit exceeded", 306 /* C */ "Conflict error", 307 /* D */ "Data error", 308 /* E */ "Type error", 309 /* F */ "Address error" 310 }; 311 312 static void 313 sbp_identify(driver_t *driver, device_t parent) 314 { 315 device_t child; 316 SBP_DEBUG(0) 317 printf("sbp_identify\n"); 318 END_DEBUG 319 320 child = BUS_ADD_CHILD(parent, 0, "sbp", device_get_unit(parent)); 321 } 322 323 /* 324 * sbp_probe() 325 */ 326 static int 327 sbp_probe(device_t dev) 328 { 329 device_t pa; 330 331 SBP_DEBUG(0) 332 printf("sbp_probe\n"); 333 END_DEBUG 334 335 pa = device_get_parent(dev); 336 if(device_get_unit(dev) != device_get_unit(pa)){ 337 return(ENXIO); 338 } 339 340 device_set_desc(dev, "SBP-2/SCSI over FireWire"); 341 342 if (bootverbose) 343 debug = bootverbose; 344 return (0); 345 } 346 347 static void 348 sbp_show_sdev_info(struct sbp_dev *sdev, int new) 349 { 350 struct fw_device *fwdev; 351 352 printf("%s:%d:%d ", 353 device_get_nameunit(sdev->target->sbp->fd.dev), 354 sdev->target->target_id, 355 sdev->lun_id 356 ); 357 if (new == 2) { 358 return; 359 } 360 fwdev = sdev->target->fwdev; 361 printf("ordered:%d type:%d EUI:%08x%08x node:%d " 362 "speed:%d maxrec:%d", 363 (sdev->type & 0x40) >> 6, 364 (sdev->type & 0x1f), 365 fwdev->eui.hi, 366 fwdev->eui.lo, 367 fwdev->dst, 368 fwdev->speed, 369 fwdev->maxrec 370 ); 371 if (new) 372 printf(" new!\n"); 373 else 374 printf("\n"); 375 sbp_show_sdev_info(sdev, 2); 376 printf("'%s' '%s' '%s'\n", sdev->vendor, sdev->product, sdev->revision); 377 } 378 379 static struct { 380 int bus; 381 int target; 382 struct fw_eui64 eui; 383 } wired[] = { 384 /* Bus Target EUI64 */ 385 #if 0 386 {0, 2, {0x00018ea0, 0x01fd0154}}, /* Logitec HDD */ 387 {0, 0, {0x00018ea6, 0x00100682}}, /* Logitec DVD */ 388 {0, 1, {0x00d03200, 0xa412006a}}, /* Yano HDD */ 389 #endif 390 {-1, -1, {0,0}} 391 }; 392 393 static int 394 sbp_new_target(struct sbp_softc *sbp, struct fw_device *fwdev) 395 { 396 int bus, i, target=-1; 397 char w[SBP_NUM_TARGETS]; 398 399 bzero(w, sizeof(w)); 400 bus = device_get_unit(sbp->fd.dev); 401 402 /* XXX wired-down configuration should be gotten from 403 tunable or device hint */ 404 for (i = 0; wired[i].bus >= 0; i ++) { 405 if (wired[i].bus == bus) { 406 w[wired[i].target] = 1; 407 if (wired[i].eui.hi == fwdev->eui.hi && 408 wired[i].eui.lo == fwdev->eui.lo) 409 target = wired[i].target; 410 } 411 } 412 if (target >= 0) { 413 if(target < SBP_NUM_TARGETS && 414 sbp->targets[target].fwdev == NULL) 415 return(target); 416 device_printf(sbp->fd.dev, 417 "target %d is not free for %08x:%08x\n", 418 target, fwdev->eui.hi, fwdev->eui.lo); 419 target = -1; 420 } 421 /* non-wired target */ 422 for (i = 0; i < SBP_NUM_TARGETS; i ++) 423 if (sbp->targets[i].fwdev == NULL && w[i] == 0) { 424 target = i; 425 break; 426 } 427 428 return target; 429 } 430 431 static void 432 sbp_alloc_lun(struct sbp_target *target) 433 { 434 struct crom_context cc; 435 struct csrreg *reg; 436 struct sbp_dev *sdev, **newluns; 437 struct sbp_softc *sbp; 438 int maxlun, lun, i; 439 440 sbp = target->sbp; 441 crom_init_context(&cc, target->fwdev->csrrom); 442 /* XXX shoud parse appropriate unit directories only */ 443 maxlun = -1; 444 while (cc.depth >= 0) { 445 reg = crom_search_key(&cc, CROM_LUN); 446 if (reg == NULL) 447 break; 448 lun = reg->val & 0xffff; 449 SBP_DEBUG(0) 450 printf("target %d lun %d found\n", target->target_id, lun); 451 END_DEBUG 452 if (maxlun < lun) 453 maxlun = lun; 454 crom_next(&cc); 455 } 456 if (maxlun < 0) 457 printf("%s:%d no LUN found\n", 458 device_get_nameunit(target->sbp->fd.dev), 459 target->target_id); 460 461 maxlun ++; 462 if (maxlun >= SBP_NUM_LUNS) 463 maxlun = SBP_NUM_LUNS; 464 465 /* Invalidiate stale devices */ 466 for (lun = 0; lun < target->num_lun; lun ++) { 467 sdev = target->luns[lun]; 468 if (sdev == NULL) 469 continue; 470 sdev->flags &= ~VALID_LUN; 471 if (lun >= maxlun) { 472 /* lost device */ 473 sbp_cam_detach_sdev(sdev); 474 sbp_free_sdev(sdev); 475 } 476 } 477 478 /* Reallocate */ 479 if (maxlun != target->num_lun) { 480 newluns = (struct sbp_dev **) realloc(target->luns, 481 sizeof(struct sbp_dev *) * maxlun, 482 M_SBP, M_NOWAIT | M_ZERO); 483 484 if (newluns == NULL) { 485 printf("%s: realloc failed\n", __FUNCTION__); 486 newluns = target->luns; 487 maxlun = target->num_lun; 488 } 489 490 /* 491 * We must zero the extended region for the case 492 * realloc() doesn't allocate new buffer. 493 */ 494 if (maxlun > target->num_lun) 495 bzero(&newluns[target->num_lun], 496 sizeof(struct sbp_dev *) * 497 (maxlun - target->num_lun)); 498 499 target->luns = newluns; 500 target->num_lun = maxlun; 501 } 502 503 crom_init_context(&cc, target->fwdev->csrrom); 504 while (cc.depth >= 0) { 505 int new = 0; 506 507 reg = crom_search_key(&cc, CROM_LUN); 508 if (reg == NULL) 509 break; 510 lun = reg->val & 0xffff; 511 if (lun >= SBP_NUM_LUNS) { 512 printf("too large lun %d\n", lun); 513 goto next; 514 } 515 516 sdev = target->luns[lun]; 517 if (sdev == NULL) { 518 sdev = malloc(sizeof(struct sbp_dev), 519 M_SBP, M_NOWAIT | M_ZERO); 520 if (sdev == NULL) { 521 printf("%s: malloc failed\n", __FUNCTION__); 522 goto next; 523 } 524 target->luns[lun] = sdev; 525 sdev->lun_id = lun; 526 sdev->target = target; 527 STAILQ_INIT(&sdev->ocbs); 528 CALLOUT_INIT(&sdev->login_callout); 529 sdev->status = SBP_DEV_RESET; 530 new = 1; 531 } 532 sdev->flags |= VALID_LUN; 533 sdev->type = (reg->val & 0xff0000) >> 16; 534 535 if (new == 0) 536 goto next; 537 538 fwdma_malloc(sbp->fd.fc, 539 /* alignment */ sizeof(u_int32_t), 540 SBP_DMA_SIZE, &sdev->dma, BUS_DMA_NOWAIT); 541 if (sdev->dma.v_addr == NULL) { 542 printf("%s: dma space allocation failed\n", 543 __FUNCTION__); 544 free(sdev, M_SBP); 545 target->luns[lun] = NULL; 546 goto next; 547 } 548 sdev->login = (struct sbp_login_res *) sdev->dma.v_addr; 549 sdev->ocb = (struct sbp_ocb *) 550 ((char *)sdev->dma.v_addr + SBP_LOGIN_SIZE); 551 bzero((char *)sdev->ocb, 552 sizeof (struct sbp_ocb) * SBP_QUEUE_LEN); 553 554 STAILQ_INIT(&sdev->free_ocbs); 555 for (i = 0; i < SBP_QUEUE_LEN; i++) { 556 struct sbp_ocb *ocb; 557 ocb = &sdev->ocb[i]; 558 ocb->bus_addr = sdev->dma.bus_addr 559 + SBP_LOGIN_SIZE 560 + sizeof(struct sbp_ocb) * i 561 + offsetof(struct sbp_ocb, orb[0]); 562 if (bus_dmamap_create(sbp->dmat, 0, &ocb->dmamap)) { 563 printf("sbp_attach: cannot create dmamap\n"); 564 /* XXX */ 565 goto next; 566 } 567 sbp_free_ocb(sdev, ocb); 568 } 569 next: 570 crom_next(&cc); 571 } 572 573 for (lun = 0; lun < target->num_lun; lun ++) { 574 sdev = target->luns[lun]; 575 if (sdev != NULL && (sdev->flags & VALID_LUN) == 0) { 576 sbp_cam_detach_sdev(sdev); 577 sbp_free_sdev(sdev); 578 target->luns[lun] = NULL; 579 } 580 } 581 } 582 583 static struct sbp_target * 584 sbp_alloc_target(struct sbp_softc *sbp, struct fw_device *fwdev) 585 { 586 int i; 587 struct sbp_target *target; 588 struct crom_context cc; 589 struct csrreg *reg; 590 591 SBP_DEBUG(1) 592 printf("sbp_alloc_target\n"); 593 END_DEBUG 594 i = sbp_new_target(sbp, fwdev); 595 if (i < 0) { 596 device_printf(sbp->fd.dev, "increase SBP_NUM_TARGETS!\n"); 597 return NULL; 598 } 599 /* new target */ 600 target = &sbp->targets[i]; 601 target->sbp = sbp; 602 target->fwdev = fwdev; 603 target->target_id = i; 604 /* XXX we may want to reload mgm port after each bus reset */ 605 /* XXX there might be multiple management agents */ 606 crom_init_context(&cc, target->fwdev->csrrom); 607 reg = crom_search_key(&cc, CROM_MGM); 608 if (reg == NULL || reg->val == 0) { 609 printf("NULL management address\n"); 610 target->fwdev = NULL; 611 return NULL; 612 } 613 target->mgm_hi = 0xffff; 614 target->mgm_lo = 0xf0000000 | (reg->val << 2); 615 target->mgm_ocb_cur = NULL; 616 SBP_DEBUG(1) 617 printf("target:%d mgm_port: %x\n", i, target->mgm_lo); 618 END_DEBUG 619 STAILQ_INIT(&target->xferlist); 620 target->n_xfer = 0; 621 STAILQ_INIT(&target->mgm_ocb_queue); 622 CALLOUT_INIT(&target->mgm_ocb_timeout); 623 CALLOUT_INIT(&target->scan_callout); 624 625 target->luns = NULL; 626 target->num_lun = 0; 627 return target; 628 } 629 630 static void 631 sbp_probe_lun(struct sbp_dev *sdev) 632 { 633 struct fw_device *fwdev; 634 struct crom_context c, *cc = &c; 635 struct csrreg *reg; 636 637 bzero(sdev->vendor, sizeof(sdev->vendor)); 638 bzero(sdev->product, sizeof(sdev->product)); 639 640 fwdev = sdev->target->fwdev; 641 crom_init_context(cc, fwdev->csrrom); 642 /* get vendor string */ 643 crom_search_key(cc, CSRKEY_VENDOR); 644 crom_next(cc); 645 crom_parse_text(cc, sdev->vendor, sizeof(sdev->vendor)); 646 /* skip to the unit directory for SBP-2 */ 647 while ((reg = crom_search_key(cc, CSRKEY_VER)) != NULL) { 648 if (reg->val == CSRVAL_T10SBP2) 649 break; 650 crom_next(cc); 651 } 652 /* get firmware revision */ 653 reg = crom_search_key(cc, CSRKEY_FIRM_VER); 654 if (reg != NULL) 655 snprintf(sdev->revision, sizeof(sdev->revision), 656 "%06x", reg->val); 657 /* get product string */ 658 crom_search_key(cc, CSRKEY_MODEL); 659 crom_next(cc); 660 crom_parse_text(cc, sdev->product, sizeof(sdev->product)); 661 } 662 663 static void 664 sbp_login_callout(void *arg) 665 { 666 struct sbp_dev *sdev = (struct sbp_dev *)arg; 667 sbp_mgm_orb(sdev, ORB_FUN_LGI, NULL); 668 } 669 670 static void 671 sbp_login(struct sbp_dev *sdev) 672 { 673 struct timeval delta; 674 struct timeval t; 675 int ticks = 0; 676 677 microtime(&delta); 678 timevalsub(&delta, &sdev->target->sbp->last_busreset); 679 t.tv_sec = login_delay / 1000; 680 t.tv_usec = (login_delay % 1000) * 1000; 681 timevalsub(&t, &delta); 682 if (t.tv_sec >= 0 && t.tv_usec > 0) 683 ticks = (t.tv_sec * 1000 + t.tv_usec / 1000) * hz / 1000; 684 SBP_DEBUG(0) 685 printf("%s: sec = %ld usec = %ld ticks = %d\n", __FUNCTION__, 686 t.tv_sec, t.tv_usec, ticks); 687 END_DEBUG 688 callout_reset(&sdev->login_callout, ticks, 689 sbp_login_callout, (void *)(sdev)); 690 } 691 692 #define SBP_FWDEV_ALIVE(fwdev) (((fwdev)->status == FWDEVATTACHED) \ 693 && crom_has_specver((fwdev)->csrrom, CSRVAL_ANSIT10, CSRVAL_T10SBP2)) 694 695 static void 696 sbp_probe_target(void *arg) 697 { 698 struct sbp_target *target = (struct sbp_target *)arg; 699 struct sbp_softc *sbp; 700 struct sbp_dev *sdev; 701 struct firewire_comm *fc; 702 int i, alive; 703 704 alive = SBP_FWDEV_ALIVE(target->fwdev); 705 SBP_DEBUG(1) 706 printf("sbp_probe_target %d\n", target->target_id); 707 if (!alive) 708 printf("not alive\n"); 709 END_DEBUG 710 711 sbp = target->sbp; 712 fc = target->sbp->fd.fc; 713 sbp_alloc_lun(target); 714 715 /* XXX untimeout mgm_ocb and dequeue */ 716 for (i=0; i < target->num_lun; i++) { 717 sdev = target->luns[i]; 718 if (sdev == NULL) 719 continue; 720 if (alive && (sdev->status != SBP_DEV_DEAD)) { 721 if (sdev->path != NULL) { 722 xpt_freeze_devq(sdev->path, 1); 723 sdev->freeze ++; 724 } 725 sbp_probe_lun(sdev); 726 SBP_DEBUG(0) 727 sbp_show_sdev_info(sdev, 728 (sdev->status == SBP_DEV_RESET)); 729 END_DEBUG 730 731 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET); 732 switch (sdev->status) { 733 case SBP_DEV_RESET: 734 /* new or revived target */ 735 if (auto_login) 736 sbp_login(sdev); 737 break; 738 case SBP_DEV_TOATTACH: 739 case SBP_DEV_PROBE: 740 case SBP_DEV_ATTACHED: 741 case SBP_DEV_RETRY: 742 default: 743 sbp_mgm_orb(sdev, ORB_FUN_RCN, NULL); 744 break; 745 } 746 } else { 747 switch (sdev->status) { 748 case SBP_DEV_ATTACHED: 749 SBP_DEBUG(0) 750 /* the device has gone */ 751 sbp_show_sdev_info(sdev, 2); 752 printf("lost target\n"); 753 END_DEBUG 754 if (sdev->path) { 755 xpt_freeze_devq(sdev->path, 1); 756 sdev->freeze ++; 757 } 758 sdev->status = SBP_DEV_RETRY; 759 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET); 760 break; 761 case SBP_DEV_PROBE: 762 case SBP_DEV_TOATTACH: 763 sdev->status = SBP_DEV_RESET; 764 break; 765 case SBP_DEV_RETRY: 766 case SBP_DEV_RESET: 767 case SBP_DEV_DEAD: 768 break; 769 } 770 } 771 } 772 } 773 774 static void 775 sbp_post_busreset(void *arg) 776 { 777 struct sbp_softc *sbp; 778 779 sbp = (struct sbp_softc *)arg; 780 SBP_DEBUG(0) 781 printf("sbp_post_busreset\n"); 782 END_DEBUG 783 if ((sbp->sim->flags & SIMQ_FREEZED) == 0) { 784 xpt_freeze_simq(sbp->sim, /*count*/1); 785 sbp->sim->flags |= SIMQ_FREEZED; 786 } 787 microtime(&sbp->last_busreset); 788 } 789 790 static void 791 sbp_post_explore(void *arg) 792 { 793 struct sbp_softc *sbp = (struct sbp_softc *)arg; 794 struct sbp_target *target; 795 struct fw_device *fwdev; 796 int i, alive; 797 798 SBP_DEBUG(0) 799 printf("sbp_post_explore (sbp_cold=%d)\n", sbp_cold); 800 END_DEBUG 801 if (sbp_cold > 0) 802 sbp_cold --; 803 804 #if 0 805 /* 806 * XXX don't let CAM the bus rest. 807 * CAM tries to do something with freezed (DEV_RETRY) devices. 808 */ 809 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL); 810 #endif 811 812 /* Gabage Collection */ 813 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){ 814 target = &sbp->targets[i]; 815 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) 816 if (target->fwdev == NULL || target->fwdev == fwdev) 817 break; 818 if (fwdev == NULL) { 819 /* device has removed in lower driver */ 820 sbp_cam_detach_target(target); 821 sbp_free_target(target); 822 } 823 } 824 /* traverse device list */ 825 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) { 826 SBP_DEBUG(0) 827 printf("sbp_post_explore: EUI:%08x%08x ", 828 fwdev->eui.hi, fwdev->eui.lo); 829 if (fwdev->status != FWDEVATTACHED) 830 printf("not attached, state=%d.\n", fwdev->status); 831 else 832 printf("attached\n"); 833 END_DEBUG 834 alive = SBP_FWDEV_ALIVE(fwdev); 835 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){ 836 target = &sbp->targets[i]; 837 if(target->fwdev == fwdev ) { 838 /* known target */ 839 break; 840 } 841 } 842 if(i == SBP_NUM_TARGETS){ 843 if (alive) { 844 /* new target */ 845 target = sbp_alloc_target(sbp, fwdev); 846 if (target == NULL) 847 continue; 848 } else { 849 continue; 850 } 851 } 852 sbp_probe_target((void *)target); 853 if (target->num_lun == 0) 854 sbp_free_target(target); 855 } 856 xpt_release_simq(sbp->sim, /*run queue*/TRUE); 857 sbp->sim->flags &= ~SIMQ_FREEZED; 858 } 859 860 #if NEED_RESPONSE 861 static void 862 sbp_loginres_callback(struct fw_xfer *xfer){ 863 int s; 864 struct sbp_dev *sdev; 865 sdev = (struct sbp_dev *)xfer->sc; 866 SBP_DEBUG(1) 867 sbp_show_sdev_info(sdev, 2); 868 printf("sbp_loginres_callback\n"); 869 END_DEBUG 870 /* recycle */ 871 s = splfw(); 872 STAILQ_INSERT_TAIL(&sdev->target->sbp->fwb.xferlist, xfer, link); 873 splx(s); 874 return; 875 } 876 #endif 877 878 static __inline void 879 sbp_xfer_free(struct fw_xfer *xfer) 880 { 881 struct sbp_dev *sdev; 882 int s; 883 884 sdev = (struct sbp_dev *)xfer->sc; 885 fw_xfer_unload(xfer); 886 s = splfw(); 887 STAILQ_INSERT_TAIL(&sdev->target->xferlist, xfer, link); 888 splx(s); 889 } 890 891 static void 892 sbp_reset_start_callback(struct fw_xfer *xfer) 893 { 894 struct sbp_dev *tsdev, *sdev = (struct sbp_dev *)xfer->sc; 895 struct sbp_target *target = sdev->target; 896 int i; 897 898 if (xfer->resp != 0) { 899 sbp_show_sdev_info(sdev, 2); 900 printf("sbp_reset_start failed: resp=%d\n", xfer->resp); 901 } 902 903 for (i = 0; i < target->num_lun; i++) { 904 tsdev = target->luns[i]; 905 if (tsdev != NULL && tsdev->status == SBP_DEV_LOGIN) 906 sbp_login(tsdev); 907 } 908 } 909 910 static void 911 sbp_reset_start(struct sbp_dev *sdev) 912 { 913 struct fw_xfer *xfer; 914 struct fw_pkt *fp; 915 916 SBP_DEBUG(0) 917 sbp_show_sdev_info(sdev, 2); 918 printf("sbp_reset_start\n"); 919 END_DEBUG 920 921 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 922 xfer->act.hand = sbp_reset_start_callback; 923 fp = &xfer->send.hdr; 924 fp->mode.wreqq.dest_hi = 0xffff; 925 fp->mode.wreqq.dest_lo = 0xf0000000 | RESET_START; 926 fp->mode.wreqq.data = htonl(0xf); 927 fw_asyreq(xfer->fc, -1, xfer); 928 } 929 930 static void 931 sbp_mgm_callback(struct fw_xfer *xfer) 932 { 933 struct sbp_dev *sdev; 934 int resp; 935 936 sdev = (struct sbp_dev *)xfer->sc; 937 938 SBP_DEBUG(1) 939 sbp_show_sdev_info(sdev, 2); 940 printf("sbp_mgm_callback\n"); 941 END_DEBUG 942 resp = xfer->resp; 943 sbp_xfer_free(xfer); 944 #if 0 945 if (resp != 0) { 946 sbp_show_sdev_info(sdev, 2); 947 printf("management ORB failed(%d) ... RESET_START\n", resp); 948 sbp_reset_start(sdev); 949 } 950 #endif 951 return; 952 } 953 954 static struct sbp_dev * 955 sbp_next_dev(struct sbp_target *target, int lun) 956 { 957 struct sbp_dev **sdevp; 958 int i; 959 960 for (i = lun, sdevp = &target->luns[lun]; i < target->num_lun; 961 i++, sdevp++) 962 if (*sdevp != NULL && (*sdevp)->status == SBP_DEV_PROBE) 963 return(*sdevp); 964 return(NULL); 965 } 966 967 #define SCAN_PRI 1 968 static void 969 sbp_cam_scan_lun(struct cam_periph *periph, union ccb *ccb) 970 { 971 struct sbp_target *target; 972 struct sbp_dev *sdev; 973 974 sdev = (struct sbp_dev *) ccb->ccb_h.ccb_sdev_ptr; 975 target = sdev->target; 976 SBP_DEBUG(0) 977 sbp_show_sdev_info(sdev, 2); 978 printf("sbp_cam_scan_lun\n"); 979 END_DEBUG 980 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 981 sdev->status = SBP_DEV_ATTACHED; 982 } else { 983 sbp_show_sdev_info(sdev, 2); 984 printf("scan failed\n"); 985 } 986 sdev = sbp_next_dev(target, sdev->lun_id + 1); 987 if (sdev == NULL) { 988 free(ccb, M_SBP); 989 return; 990 } 991 /* reuse ccb */ 992 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI); 993 ccb->ccb_h.ccb_sdev_ptr = sdev; 994 xpt_action(ccb); 995 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 996 sdev->freeze = 1; 997 } 998 999 static void 1000 sbp_cam_scan_target(void *arg) 1001 { 1002 struct sbp_target *target = (struct sbp_target *)arg; 1003 struct sbp_dev *sdev; 1004 union ccb *ccb; 1005 1006 sdev = sbp_next_dev(target, 0); 1007 if (sdev == NULL) { 1008 printf("sbp_cam_scan_target: nothing to do for target%d\n", 1009 target->target_id); 1010 return; 1011 } 1012 SBP_DEBUG(0) 1013 sbp_show_sdev_info(sdev, 2); 1014 printf("sbp_cam_scan_target\n"); 1015 END_DEBUG 1016 ccb = malloc(sizeof(union ccb), M_SBP, M_NOWAIT | M_ZERO); 1017 if (ccb == NULL) { 1018 printf("sbp_cam_scan_target: malloc failed\n"); 1019 return; 1020 } 1021 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI); 1022 ccb->ccb_h.func_code = XPT_SCAN_LUN; 1023 ccb->ccb_h.cbfcnp = sbp_cam_scan_lun; 1024 ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 1025 ccb->crcn.flags = CAM_FLAG_NONE; 1026 ccb->ccb_h.ccb_sdev_ptr = sdev; 1027 1028 /* The scan is in progress now. */ 1029 xpt_action(ccb); 1030 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 1031 sdev->freeze = 1; 1032 } 1033 1034 static __inline void 1035 sbp_scan_dev(struct sbp_dev *sdev) 1036 { 1037 sdev->status = SBP_DEV_PROBE; 1038 callout_reset(&sdev->target->scan_callout, scan_delay * hz / 1000, 1039 sbp_cam_scan_target, (void *)sdev->target); 1040 } 1041 1042 static void 1043 sbp_do_attach(struct fw_xfer *xfer) 1044 { 1045 struct sbp_dev *sdev; 1046 struct sbp_target *target; 1047 struct sbp_softc *sbp; 1048 1049 sdev = (struct sbp_dev *)xfer->sc; 1050 target = sdev->target; 1051 sbp = target->sbp; 1052 SBP_DEBUG(0) 1053 sbp_show_sdev_info(sdev, 2); 1054 printf("sbp_do_attach\n"); 1055 END_DEBUG 1056 sbp_xfer_free(xfer); 1057 1058 if (sdev->path == NULL) 1059 xpt_create_path(&sdev->path, xpt_periph, 1060 cam_sim_path(target->sbp->sim), 1061 target->target_id, sdev->lun_id); 1062 1063 /* 1064 * Let CAM scan the bus if we are in the boot process. 1065 * XXX xpt_scan_bus cannot detect LUN larger than 0 1066 * if LUN 0 doesn't exists. 1067 */ 1068 if (sbp_cold > 0) { 1069 sdev->status = SBP_DEV_ATTACHED; 1070 return; 1071 } 1072 1073 sbp_scan_dev(sdev); 1074 return; 1075 } 1076 1077 static void 1078 sbp_agent_reset_callback(struct fw_xfer *xfer) 1079 { 1080 struct sbp_dev *sdev; 1081 1082 sdev = (struct sbp_dev *)xfer->sc; 1083 SBP_DEBUG(1) 1084 sbp_show_sdev_info(sdev, 2); 1085 printf("%s\n", __FUNCTION__); 1086 END_DEBUG 1087 if (xfer->resp != 0) { 1088 sbp_show_sdev_info(sdev, 2); 1089 printf("%s: resp=%d\n", __FUNCTION__, xfer->resp); 1090 } 1091 1092 sbp_xfer_free(xfer); 1093 if (sdev->path) { 1094 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 1095 sdev->freeze = 0; 1096 } 1097 } 1098 1099 static void 1100 sbp_agent_reset(struct sbp_dev *sdev) 1101 { 1102 struct fw_xfer *xfer; 1103 struct fw_pkt *fp; 1104 1105 SBP_DEBUG(0) 1106 sbp_show_sdev_info(sdev, 2); 1107 printf("sbp_agent_reset\n"); 1108 END_DEBUG 1109 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x04); 1110 if (xfer == NULL) 1111 return; 1112 if (sdev->status == SBP_DEV_ATTACHED || sdev->status == SBP_DEV_PROBE) 1113 xfer->act.hand = sbp_agent_reset_callback; 1114 else 1115 xfer->act.hand = sbp_do_attach; 1116 fp = &xfer->send.hdr; 1117 fp->mode.wreqq.data = htonl(0xf); 1118 fw_asyreq(xfer->fc, -1, xfer); 1119 sbp_abort_all_ocbs(sdev, CAM_BDR_SENT); 1120 } 1121 1122 static void 1123 sbp_busy_timeout_callback(struct fw_xfer *xfer) 1124 { 1125 struct sbp_dev *sdev; 1126 1127 sdev = (struct sbp_dev *)xfer->sc; 1128 SBP_DEBUG(1) 1129 sbp_show_sdev_info(sdev, 2); 1130 printf("sbp_busy_timeout_callback\n"); 1131 END_DEBUG 1132 sbp_xfer_free(xfer); 1133 sbp_agent_reset(sdev); 1134 } 1135 1136 static void 1137 sbp_busy_timeout(struct sbp_dev *sdev) 1138 { 1139 struct fw_pkt *fp; 1140 struct fw_xfer *xfer; 1141 SBP_DEBUG(0) 1142 sbp_show_sdev_info(sdev, 2); 1143 printf("sbp_busy_timeout\n"); 1144 END_DEBUG 1145 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 1146 1147 xfer->act.hand = sbp_busy_timeout_callback; 1148 fp = &xfer->send.hdr; 1149 fp->mode.wreqq.dest_hi = 0xffff; 1150 fp->mode.wreqq.dest_lo = 0xf0000000 | BUSY_TIMEOUT; 1151 fp->mode.wreqq.data = htonl((1 << (13+12)) | 0xf); 1152 fw_asyreq(xfer->fc, -1, xfer); 1153 } 1154 1155 static void 1156 sbp_orb_pointer_callback(struct fw_xfer *xfer) 1157 { 1158 struct sbp_dev *sdev; 1159 sdev = (struct sbp_dev *)xfer->sc; 1160 1161 SBP_DEBUG(1) 1162 sbp_show_sdev_info(sdev, 2); 1163 printf("%s\n", __FUNCTION__); 1164 END_DEBUG 1165 if (xfer->resp != 0) { 1166 /* XXX */ 1167 printf("%s: xfer->resp = %d\n", __FUNCTION__, xfer->resp); 1168 } 1169 sbp_xfer_free(xfer); 1170 sdev->flags &= ~ORB_POINTER_ACTIVE; 1171 1172 if ((sdev->flags & ORB_POINTER_NEED) != 0) { 1173 struct sbp_ocb *ocb; 1174 1175 sdev->flags &= ~ORB_POINTER_NEED; 1176 ocb = STAILQ_FIRST(&sdev->ocbs); 1177 if (ocb != NULL) 1178 sbp_orb_pointer(sdev, ocb); 1179 } 1180 return; 1181 } 1182 1183 static void 1184 sbp_orb_pointer(struct sbp_dev *sdev, struct sbp_ocb *ocb) 1185 { 1186 struct fw_xfer *xfer; 1187 struct fw_pkt *fp; 1188 SBP_DEBUG(1) 1189 sbp_show_sdev_info(sdev, 2); 1190 printf("%s: 0x%08x\n", __FUNCTION__, (u_int32_t)ocb->bus_addr); 1191 END_DEBUG 1192 1193 if ((sdev->flags & ORB_POINTER_ACTIVE) != 0) { 1194 SBP_DEBUG(0) 1195 printf("%s: orb pointer active\n", __FUNCTION__); 1196 END_DEBUG 1197 sdev->flags |= ORB_POINTER_NEED; 1198 return; 1199 } 1200 1201 sdev->flags |= ORB_POINTER_ACTIVE; 1202 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0x08); 1203 if (xfer == NULL) 1204 return; 1205 xfer->act.hand = sbp_orb_pointer_callback; 1206 1207 fp = &xfer->send.hdr; 1208 fp->mode.wreqb.len = 8; 1209 fp->mode.wreqb.extcode = 0; 1210 xfer->send.payload[0] = 1211 htonl(((sdev->target->sbp->fd.fc->nodeid | FWLOCALBUS )<< 16)); 1212 xfer->send.payload[1] = htonl((u_int32_t)ocb->bus_addr); 1213 1214 if(fw_asyreq(xfer->fc, -1, xfer) != 0){ 1215 sbp_xfer_free(xfer); 1216 ocb->ccb->ccb_h.status = CAM_REQ_INVALID; 1217 xpt_done(ocb->ccb); 1218 } 1219 } 1220 1221 #if 0 1222 static void 1223 sbp_cmd_callback(struct fw_xfer *xfer) 1224 { 1225 SBP_DEBUG(1) 1226 struct sbp_dev *sdev; 1227 sdev = (struct sbp_dev *)xfer->sc; 1228 sbp_show_sdev_info(sdev, 2); 1229 printf("sbp_cmd_callback\n"); 1230 END_DEBUG 1231 if (xfer->resp != 0) { 1232 /* XXX */ 1233 printf("%s: xfer->resp = %d\n", __FUNCTION__, xfer->resp); 1234 } 1235 sbp_xfer_free(xfer); 1236 return; 1237 } 1238 1239 static void 1240 sbp_doorbell(struct sbp_dev *sdev) 1241 { 1242 struct fw_xfer *xfer; 1243 struct fw_pkt *fp; 1244 SBP_DEBUG(1) 1245 sbp_show_sdev_info(sdev, 2); 1246 printf("sbp_doorbell\n"); 1247 END_DEBUG 1248 1249 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x10); 1250 if (xfer == NULL) 1251 return; 1252 xfer->act.hand = sbp_cmd_callback; 1253 fp = (struct fw_pkt *)xfer->send.buf; 1254 fp->mode.wreqq.data = htonl(0xf); 1255 fw_asyreq(xfer->fc, -1, xfer); 1256 } 1257 #endif 1258 1259 static struct fw_xfer * 1260 sbp_write_cmd(struct sbp_dev *sdev, int tcode, int offset) 1261 { 1262 struct fw_xfer *xfer; 1263 struct fw_pkt *fp; 1264 struct sbp_target *target; 1265 int s, new = 0; 1266 1267 target = sdev->target; 1268 s = splfw(); 1269 xfer = STAILQ_FIRST(&target->xferlist); 1270 if (xfer == NULL) { 1271 if (target->n_xfer > 5 /* XXX */) { 1272 printf("sbp: no more xfer for this target\n"); 1273 splx(s); 1274 return(NULL); 1275 } 1276 xfer = fw_xfer_alloc_buf(M_SBP, 8, 0); 1277 if(xfer == NULL){ 1278 printf("sbp: fw_xfer_alloc_buf failed\n"); 1279 splx(s); 1280 return NULL; 1281 } 1282 target->n_xfer ++; 1283 if (debug) 1284 printf("sbp: alloc %d xfer\n", target->n_xfer); 1285 new = 1; 1286 } else { 1287 STAILQ_REMOVE_HEAD(&target->xferlist, link); 1288 } 1289 splx(s); 1290 1291 microtime(&xfer->tv); 1292 1293 if (new) { 1294 xfer->recv.pay_len = 0; 1295 xfer->send.spd = min(sdev->target->fwdev->speed, max_speed); 1296 xfer->fc = sdev->target->sbp->fd.fc; 1297 xfer->retry_req = fw_asybusy; 1298 } 1299 1300 if (tcode == FWTCODE_WREQB) 1301 xfer->send.pay_len = 8; 1302 else 1303 xfer->send.pay_len = 0; 1304 1305 xfer->sc = (caddr_t)sdev; 1306 fp = &xfer->send.hdr; 1307 fp->mode.wreqq.dest_hi = sdev->login->cmd_hi; 1308 fp->mode.wreqq.dest_lo = sdev->login->cmd_lo + offset; 1309 fp->mode.wreqq.tlrt = 0; 1310 fp->mode.wreqq.tcode = tcode; 1311 fp->mode.wreqq.pri = 0; 1312 fp->mode.wreqq.dst = FWLOCALBUS | sdev->target->fwdev->dst; 1313 1314 return xfer; 1315 1316 } 1317 1318 static void 1319 sbp_mgm_orb(struct sbp_dev *sdev, int func, struct sbp_ocb *aocb) 1320 { 1321 struct fw_xfer *xfer; 1322 struct fw_pkt *fp; 1323 struct sbp_ocb *ocb; 1324 struct sbp_target *target; 1325 int s, nid; 1326 1327 target = sdev->target; 1328 nid = target->sbp->fd.fc->nodeid | FWLOCALBUS; 1329 1330 s = splfw(); 1331 if (func == ORB_FUN_RUNQUEUE) { 1332 ocb = STAILQ_FIRST(&target->mgm_ocb_queue); 1333 if (target->mgm_ocb_cur != NULL || ocb == NULL) { 1334 splx(s); 1335 return; 1336 } 1337 STAILQ_REMOVE_HEAD(&target->mgm_ocb_queue, ocb); 1338 goto start; 1339 } 1340 if ((ocb = sbp_get_ocb(sdev)) == NULL) { 1341 splx(s); 1342 /* XXX */ 1343 return; 1344 } 1345 ocb->flags = OCB_ACT_MGM; 1346 ocb->sdev = sdev; 1347 1348 bzero((void *)ocb->orb, sizeof(ocb->orb)); 1349 ocb->orb[6] = htonl((nid << 16) | SBP_BIND_HI); 1350 ocb->orb[7] = htonl(SBP_DEV2ADDR(target->target_id, sdev->lun_id)); 1351 1352 SBP_DEBUG(0) 1353 sbp_show_sdev_info(sdev, 2); 1354 printf("%s\n", orb_fun_name[(func>>16)&0xf]); 1355 END_DEBUG 1356 switch (func) { 1357 case ORB_FUN_LGI: 1358 ocb->orb[0] = ocb->orb[1] = 0; /* password */ 1359 ocb->orb[2] = htonl(nid << 16); 1360 ocb->orb[3] = htonl(sdev->dma.bus_addr); 1361 ocb->orb[4] = htonl(ORB_NOTIFY | sdev->lun_id); 1362 if (ex_login) 1363 ocb->orb[4] |= htonl(ORB_EXV); 1364 ocb->orb[5] = htonl(SBP_LOGIN_SIZE); 1365 fwdma_sync(&sdev->dma, BUS_DMASYNC_PREREAD); 1366 break; 1367 case ORB_FUN_ATA: 1368 ocb->orb[0] = htonl((0 << 16) | 0); 1369 ocb->orb[1] = htonl(aocb->bus_addr & 0xffffffff); 1370 /* fall through */ 1371 case ORB_FUN_RCN: 1372 case ORB_FUN_LGO: 1373 case ORB_FUN_LUR: 1374 case ORB_FUN_RST: 1375 case ORB_FUN_ATS: 1376 ocb->orb[4] = htonl(ORB_NOTIFY | func | sdev->login->id); 1377 break; 1378 } 1379 1380 if (target->mgm_ocb_cur != NULL) { 1381 /* there is a standing ORB */ 1382 STAILQ_INSERT_TAIL(&sdev->target->mgm_ocb_queue, ocb, ocb); 1383 splx(s); 1384 return; 1385 } 1386 start: 1387 target->mgm_ocb_cur = ocb; 1388 splx(s); 1389 1390 callout_reset(&target->mgm_ocb_timeout, 5*hz, 1391 sbp_mgm_timeout, (caddr_t)ocb); 1392 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0); 1393 if(xfer == NULL){ 1394 return; 1395 } 1396 xfer->act.hand = sbp_mgm_callback; 1397 1398 fp = &xfer->send.hdr; 1399 fp->mode.wreqb.dest_hi = sdev->target->mgm_hi; 1400 fp->mode.wreqb.dest_lo = sdev->target->mgm_lo; 1401 fp->mode.wreqb.len = 8; 1402 fp->mode.wreqb.extcode = 0; 1403 xfer->send.payload[0] = htonl(nid << 16); 1404 xfer->send.payload[1] = htonl(ocb->bus_addr & 0xffffffff); 1405 SBP_DEBUG(0) 1406 sbp_show_sdev_info(sdev, 2); 1407 printf("mgm orb: %08x\n", (u_int32_t)ocb->bus_addr); 1408 END_DEBUG 1409 1410 fw_asyreq(xfer->fc, -1, xfer); 1411 } 1412 1413 static void 1414 sbp_print_scsi_cmd(struct sbp_ocb *ocb) 1415 { 1416 struct ccb_scsiio *csio; 1417 1418 csio = &ocb->ccb->csio; 1419 printf("%s:%d:%d XPT_SCSI_IO: " 1420 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 1421 ", flags: 0x%02x, " 1422 "%db cmd/%db data/%db sense\n", 1423 device_get_nameunit(ocb->sdev->target->sbp->fd.dev), 1424 ocb->ccb->ccb_h.target_id, ocb->ccb->ccb_h.target_lun, 1425 csio->cdb_io.cdb_bytes[0], 1426 csio->cdb_io.cdb_bytes[1], 1427 csio->cdb_io.cdb_bytes[2], 1428 csio->cdb_io.cdb_bytes[3], 1429 csio->cdb_io.cdb_bytes[4], 1430 csio->cdb_io.cdb_bytes[5], 1431 csio->cdb_io.cdb_bytes[6], 1432 csio->cdb_io.cdb_bytes[7], 1433 csio->cdb_io.cdb_bytes[8], 1434 csio->cdb_io.cdb_bytes[9], 1435 ocb->ccb->ccb_h.flags & CAM_DIR_MASK, 1436 csio->cdb_len, csio->dxfer_len, 1437 csio->sense_len); 1438 } 1439 1440 static void 1441 sbp_scsi_status(struct sbp_status *sbp_status, struct sbp_ocb *ocb) 1442 { 1443 struct sbp_cmd_status *sbp_cmd_status; 1444 struct scsi_sense_data *sense; 1445 1446 sbp_cmd_status = (struct sbp_cmd_status *)sbp_status->data; 1447 sense = &ocb->ccb->csio.sense_data; 1448 1449 SBP_DEBUG(0) 1450 sbp_print_scsi_cmd(ocb); 1451 /* XXX need decode status */ 1452 sbp_show_sdev_info(ocb->sdev, 2); 1453 printf("SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d\n", 1454 sbp_cmd_status->status, 1455 sbp_cmd_status->sfmt, 1456 sbp_cmd_status->valid, 1457 sbp_cmd_status->s_key, 1458 sbp_cmd_status->s_code, 1459 sbp_cmd_status->s_qlfr, 1460 sbp_status->len 1461 ); 1462 END_DEBUG 1463 1464 switch (sbp_cmd_status->status) { 1465 case SCSI_STATUS_CHECK_COND: 1466 case SCSI_STATUS_BUSY: 1467 case SCSI_STATUS_CMD_TERMINATED: 1468 if(sbp_cmd_status->sfmt == SBP_SFMT_CURR){ 1469 sense->error_code = SSD_CURRENT_ERROR; 1470 }else{ 1471 sense->error_code = SSD_DEFERRED_ERROR; 1472 } 1473 if(sbp_cmd_status->valid) 1474 sense->error_code |= SSD_ERRCODE_VALID; 1475 sense->flags = sbp_cmd_status->s_key; 1476 if(sbp_cmd_status->mark) 1477 sense->flags |= SSD_FILEMARK; 1478 if(sbp_cmd_status->eom) 1479 sense->flags |= SSD_EOM; 1480 if(sbp_cmd_status->ill_len) 1481 sense->flags |= SSD_ILI; 1482 1483 bcopy(&sbp_cmd_status->info, &sense->info[0], 4); 1484 1485 if (sbp_status->len <= 1) 1486 /* XXX not scsi status. shouldn't be happened */ 1487 sense->extra_len = 0; 1488 else if (sbp_status->len <= 4) 1489 /* add_sense_code(_qual), info, cmd_spec_info */ 1490 sense->extra_len = 6; 1491 else 1492 /* fru, sense_key_spec */ 1493 sense->extra_len = 10; 1494 1495 bcopy(&sbp_cmd_status->cdb, &sense->cmd_spec_info[0], 4); 1496 1497 sense->add_sense_code = sbp_cmd_status->s_code; 1498 sense->add_sense_code_qual = sbp_cmd_status->s_qlfr; 1499 sense->fru = sbp_cmd_status->fru; 1500 1501 bcopy(&sbp_cmd_status->s_keydep[0], 1502 &sense->sense_key_spec[0], 3); 1503 1504 ocb->ccb->csio.scsi_status = sbp_cmd_status->status;; 1505 ocb->ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR 1506 | CAM_AUTOSNS_VALID; 1507 /* 1508 { 1509 u_int8_t j, *tmp; 1510 tmp = sense; 1511 for( j = 0 ; j < 32 ; j+=8){ 1512 printf("sense %02x%02x %02x%02x %02x%02x %02x%02x\n", 1513 tmp[j], tmp[j+1], tmp[j+2], tmp[j+3], 1514 tmp[j+4], tmp[j+5], tmp[j+6], tmp[j+7]); 1515 } 1516 1517 } 1518 */ 1519 break; 1520 default: 1521 sbp_show_sdev_info(ocb->sdev, 2); 1522 printf("sbp_scsi_status: unknown scsi status 0x%x\n", 1523 sbp_cmd_status->status); 1524 } 1525 } 1526 1527 static void 1528 sbp_fix_inq_data(struct sbp_ocb *ocb) 1529 { 1530 union ccb *ccb; 1531 struct sbp_dev *sdev; 1532 struct scsi_inquiry_data *inq; 1533 1534 ccb = ocb->ccb; 1535 sdev = ocb->sdev; 1536 1537 if (ccb->csio.cdb_io.cdb_bytes[1] & SI_EVPD) 1538 return; 1539 SBP_DEBUG(1) 1540 sbp_show_sdev_info(sdev, 2); 1541 printf("sbp_fix_inq_data\n"); 1542 END_DEBUG 1543 inq = (struct scsi_inquiry_data *) ccb->csio.data_ptr; 1544 switch (SID_TYPE(inq)) { 1545 case T_DIRECT: 1546 #if 0 1547 /* 1548 * XXX Convert Direct Access device to RBC. 1549 * I've never seen FireWire DA devices which support READ_6. 1550 */ 1551 if (SID_TYPE(inq) == T_DIRECT) 1552 inq->device |= T_RBC; /* T_DIRECT == 0 */ 1553 #endif 1554 /* fall through */ 1555 case T_RBC: 1556 /* enable tagged queuing */ 1557 if (sbp_tags) 1558 inq->flags |= SID_CmdQue; 1559 else 1560 inq->flags &= ~SID_CmdQue; 1561 /* 1562 * Override vendor/product/revision information. 1563 * Some devices sometimes return strange strings. 1564 */ 1565 #if 1 1566 bcopy(sdev->vendor, inq->vendor, sizeof(inq->vendor)); 1567 bcopy(sdev->product, inq->product, sizeof(inq->product)); 1568 bcopy(sdev->revision+2, inq->revision, sizeof(inq->revision)); 1569 #endif 1570 break; 1571 } 1572 } 1573 1574 static void 1575 sbp_recv1(struct fw_xfer *xfer) 1576 { 1577 struct fw_pkt *rfp; 1578 #if NEED_RESPONSE 1579 struct fw_pkt *sfp; 1580 #endif 1581 struct sbp_softc *sbp; 1582 struct sbp_dev *sdev; 1583 struct sbp_ocb *ocb; 1584 struct sbp_login_res *login_res = NULL; 1585 struct sbp_status *sbp_status; 1586 struct sbp_target *target; 1587 int orb_fun, status_valid0, status_valid, t, l, reset_agent = 0; 1588 u_int32_t addr; 1589 /* 1590 u_int32_t *ld; 1591 ld = xfer->recv.buf; 1592 printf("sbp %x %d %d %08x %08x %08x %08x\n", 1593 xfer->resp, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3])); 1594 printf("sbp %08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 1595 printf("sbp %08x %08x %08x %08x\n", ntohl(ld[8]), ntohl(ld[9]), ntohl(ld[10]), ntohl(ld[11])); 1596 */ 1597 sbp = (struct sbp_softc *)xfer->sc; 1598 if (xfer->resp != 0){ 1599 printf("sbp_recv: xfer->resp = %d\n", xfer->resp); 1600 goto done0; 1601 } 1602 if (xfer->recv.payload == NULL){ 1603 printf("sbp_recv: xfer->recv.payload == NULL\n"); 1604 goto done0; 1605 } 1606 rfp = &xfer->recv.hdr; 1607 if(rfp->mode.wreqb.tcode != FWTCODE_WREQB){ 1608 printf("sbp_recv: tcode = %d\n", rfp->mode.wreqb.tcode); 1609 goto done0; 1610 } 1611 sbp_status = (struct sbp_status *)xfer->recv.payload; 1612 addr = rfp->mode.wreqb.dest_lo; 1613 SBP_DEBUG(2) 1614 printf("received address 0x%x\n", addr); 1615 END_DEBUG 1616 t = SBP_ADDR2TRG(addr); 1617 if (t >= SBP_NUM_TARGETS) { 1618 device_printf(sbp->fd.dev, 1619 "sbp_recv1: invalid target %d\n", t); 1620 goto done0; 1621 } 1622 target = &sbp->targets[t]; 1623 l = SBP_ADDR2LUN(addr); 1624 if (l >= target->num_lun || target->luns[l] == NULL) { 1625 device_printf(sbp->fd.dev, 1626 "sbp_recv1: invalid lun %d (target=%d)\n", l, t); 1627 goto done0; 1628 } 1629 sdev = target->luns[l]; 1630 1631 ocb = NULL; 1632 switch (sbp_status->src) { 1633 case 0: 1634 case 1: 1635 /* check mgm_ocb_cur first */ 1636 ocb = target->mgm_ocb_cur; 1637 if (ocb != NULL) { 1638 if (OCB_MATCH(ocb, sbp_status)) { 1639 callout_stop(&target->mgm_ocb_timeout); 1640 target->mgm_ocb_cur = NULL; 1641 break; 1642 } 1643 } 1644 ocb = sbp_dequeue_ocb(sdev, sbp_status); 1645 if (ocb == NULL) { 1646 sbp_show_sdev_info(sdev, 2); 1647 #if defined(__DragonFly__) || __FreeBSD_version < 500000 1648 printf("No ocb(%lx) on the queue\n", 1649 #else 1650 printf("No ocb(%x) on the queue\n", 1651 #endif 1652 ntohl(sbp_status->orb_lo)); 1653 } 1654 break; 1655 case 2: 1656 /* unsolicit */ 1657 sbp_show_sdev_info(sdev, 2); 1658 printf("unsolicit status received\n"); 1659 break; 1660 default: 1661 sbp_show_sdev_info(sdev, 2); 1662 printf("unknown sbp_status->src\n"); 1663 } 1664 1665 status_valid0 = (sbp_status->src < 2 1666 && sbp_status->resp == ORB_RES_CMPL 1667 && sbp_status->dead == 0); 1668 status_valid = (status_valid0 && sbp_status->status == 0); 1669 1670 if (!status_valid0 || debug > 2){ 1671 int status; 1672 SBP_DEBUG(0) 1673 sbp_show_sdev_info(sdev, 2); 1674 printf("ORB status src:%x resp:%x dead:%x" 1675 #if defined(__DragonFly__) || __FreeBSD_version < 500000 1676 " len:%x stat:%x orb:%x%08lx\n", 1677 #else 1678 " len:%x stat:%x orb:%x%08x\n", 1679 #endif 1680 sbp_status->src, sbp_status->resp, sbp_status->dead, 1681 sbp_status->len, sbp_status->status, 1682 ntohs(sbp_status->orb_hi), ntohl(sbp_status->orb_lo)); 1683 END_DEBUG 1684 sbp_show_sdev_info(sdev, 2); 1685 status = sbp_status->status; 1686 switch(sbp_status->resp) { 1687 case 0: 1688 if (status > MAX_ORB_STATUS0) 1689 printf("%s\n", orb_status0[MAX_ORB_STATUS0]); 1690 else 1691 printf("%s\n", orb_status0[status]); 1692 break; 1693 case 1: 1694 printf("Obj: %s, Error: %s\n", 1695 orb_status1_object[(status>>6) & 3], 1696 orb_status1_serial_bus_error[status & 0xf]); 1697 break; 1698 case 2: 1699 printf("Illegal request\n"); 1700 break; 1701 case 3: 1702 printf("Vendor dependent\n"); 1703 break; 1704 default: 1705 printf("unknown respose code %d\n", sbp_status->resp); 1706 } 1707 } 1708 1709 /* we have to reset the fetch agent if it's dead */ 1710 if (sbp_status->dead) { 1711 if (sdev->path) { 1712 xpt_freeze_devq(sdev->path, 1); 1713 sdev->freeze ++; 1714 } 1715 reset_agent = 1; 1716 } 1717 1718 if (ocb == NULL) 1719 goto done; 1720 1721 switch(ntohl(ocb->orb[4]) & ORB_FMT_MSK){ 1722 case ORB_FMT_NOP: 1723 break; 1724 case ORB_FMT_VED: 1725 break; 1726 case ORB_FMT_STD: 1727 switch(ocb->flags) { 1728 case OCB_ACT_MGM: 1729 orb_fun = ntohl(ocb->orb[4]) & ORB_FUN_MSK; 1730 reset_agent = 0; 1731 switch(orb_fun) { 1732 case ORB_FUN_LGI: 1733 fwdma_sync(&sdev->dma, BUS_DMASYNC_POSTREAD); 1734 login_res = sdev->login; 1735 login_res->len = ntohs(login_res->len); 1736 login_res->id = ntohs(login_res->id); 1737 login_res->cmd_hi = ntohs(login_res->cmd_hi); 1738 login_res->cmd_lo = ntohl(login_res->cmd_lo); 1739 if (status_valid) { 1740 SBP_DEBUG(0) 1741 sbp_show_sdev_info(sdev, 2); 1742 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)); 1743 END_DEBUG 1744 sbp_busy_timeout(sdev); 1745 } else { 1746 /* forgot logout? */ 1747 sbp_show_sdev_info(sdev, 2); 1748 printf("login failed\n"); 1749 sdev->status = SBP_DEV_RESET; 1750 } 1751 break; 1752 case ORB_FUN_RCN: 1753 login_res = sdev->login; 1754 if (status_valid) { 1755 SBP_DEBUG(0) 1756 sbp_show_sdev_info(sdev, 2); 1757 printf("reconnect: len %d, ID %d, cmd %08x%08x\n", login_res->len, login_res->id, login_res->cmd_hi, login_res->cmd_lo); 1758 END_DEBUG 1759 #if 1 1760 if (sdev->status == SBP_DEV_ATTACHED) 1761 sbp_scan_dev(sdev); 1762 else 1763 sbp_agent_reset(sdev); 1764 #else 1765 sdev->status = SBP_DEV_ATTACHED; 1766 sbp_mgm_orb(sdev, ORB_FUN_ATS, NULL); 1767 #endif 1768 } else { 1769 /* reconnection hold time exceed? */ 1770 SBP_DEBUG(0) 1771 sbp_show_sdev_info(sdev, 2); 1772 printf("reconnect failed\n"); 1773 END_DEBUG 1774 sbp_login(sdev); 1775 } 1776 break; 1777 case ORB_FUN_LGO: 1778 sdev->status = SBP_DEV_RESET; 1779 break; 1780 case ORB_FUN_RST: 1781 sbp_busy_timeout(sdev); 1782 break; 1783 case ORB_FUN_LUR: 1784 case ORB_FUN_ATA: 1785 case ORB_FUN_ATS: 1786 sbp_agent_reset(sdev); 1787 break; 1788 default: 1789 sbp_show_sdev_info(sdev, 2); 1790 printf("unknown function %d\n", orb_fun); 1791 break; 1792 } 1793 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 1794 break; 1795 case OCB_ACT_CMD: 1796 sdev->timeout = 0; 1797 if(ocb->ccb != NULL){ 1798 union ccb *ccb; 1799 /* 1800 u_int32_t *ld; 1801 ld = ocb->ccb->csio.data_ptr; 1802 if(ld != NULL && ocb->ccb->csio.dxfer_len != 0) 1803 printf("ptr %08x %08x %08x %08x\n", ld[0], ld[1], ld[2], ld[3]); 1804 else 1805 printf("ptr NULL\n"); 1806 printf("len %d\n", sbp_status->len); 1807 */ 1808 ccb = ocb->ccb; 1809 if(sbp_status->len > 1){ 1810 sbp_scsi_status(sbp_status, ocb); 1811 }else{ 1812 if(sbp_status->resp != ORB_RES_CMPL){ 1813 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1814 }else{ 1815 ccb->ccb_h.status = CAM_REQ_CMP; 1816 } 1817 } 1818 /* fix up inq data */ 1819 if (ccb->csio.cdb_io.cdb_bytes[0] == INQUIRY) 1820 sbp_fix_inq_data(ocb); 1821 xpt_done(ccb); 1822 } 1823 break; 1824 default: 1825 break; 1826 } 1827 } 1828 1829 sbp_free_ocb(sdev, ocb); 1830 done: 1831 if (reset_agent) 1832 sbp_agent_reset(sdev); 1833 1834 done0: 1835 xfer->recv.pay_len = SBP_RECV_LEN; 1836 /* The received packet is usually small enough to be stored within 1837 * the buffer. In that case, the controller return ack_complete and 1838 * no respose is necessary. 1839 * 1840 * XXX fwohci.c and firewire.c should inform event_code such as 1841 * ack_complete or ack_pending to upper driver. 1842 */ 1843 #if NEED_RESPONSE 1844 xfer->send.off = 0; 1845 sfp = (struct fw_pkt *)xfer->send.buf; 1846 sfp->mode.wres.dst = rfp->mode.wreqb.src; 1847 xfer->dst = sfp->mode.wres.dst; 1848 xfer->spd = min(sdev->target->fwdev->speed, max_speed); 1849 xfer->act.hand = sbp_loginres_callback; 1850 xfer->retry_req = fw_asybusy; 1851 1852 sfp->mode.wres.tlrt = rfp->mode.wreqb.tlrt; 1853 sfp->mode.wres.tcode = FWTCODE_WRES; 1854 sfp->mode.wres.rtcode = 0; 1855 sfp->mode.wres.pri = 0; 1856 1857 fw_asyreq(xfer->fc, -1, xfer); 1858 #else 1859 /* recycle */ 1860 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link); 1861 #endif 1862 1863 return; 1864 1865 } 1866 1867 static void 1868 sbp_recv(struct fw_xfer *xfer) 1869 { 1870 int s; 1871 1872 s = splcam(); 1873 sbp_recv1(xfer); 1874 splx(s); 1875 } 1876 /* 1877 * sbp_attach() 1878 */ 1879 static int 1880 sbp_attach(device_t dev) 1881 { 1882 struct sbp_softc *sbp; 1883 struct cam_devq *devq; 1884 struct fw_xfer *xfer; 1885 int i, s, error; 1886 1887 SBP_DEBUG(0) 1888 printf("sbp_attach (cold=%d)\n", cold); 1889 END_DEBUG 1890 1891 if (cold) 1892 sbp_cold ++; 1893 sbp = ((struct sbp_softc *)device_get_softc(dev)); 1894 bzero(sbp, sizeof(struct sbp_softc)); 1895 sbp->fd.dev = dev; 1896 sbp->fd.fc = device_get_ivars(dev); 1897 1898 if (max_speed < 0) 1899 max_speed = sbp->fd.fc->speed; 1900 1901 error = bus_dma_tag_create(/*parent*/sbp->fd.fc->dmat, 1902 /* XXX shoud be 4 for sane backend? */ 1903 /*alignment*/1, 1904 /*boundary*/0, 1905 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, 1906 /*highaddr*/BUS_SPACE_MAXADDR, 1907 /*filter*/NULL, /*filterarg*/NULL, 1908 /*maxsize*/0x100000, /*nsegments*/SBP_IND_MAX, 1909 /*maxsegsz*/SBP_SEG_MAX, 1910 /*flags*/BUS_DMA_ALLOCNOW, 1911 #if defined(__FreeBSD__) && __FreeBSD_version >= 501102 1912 /*lockfunc*/busdma_lock_mutex, 1913 /*lockarg*/&Giant, 1914 #endif 1915 &sbp->dmat); 1916 if (error != 0) { 1917 printf("sbp_attach: Could not allocate DMA tag " 1918 "- error %d\n", error); 1919 return (ENOMEM); 1920 } 1921 1922 devq = cam_simq_alloc(/*maxopenings*/SBP_NUM_OCB); 1923 if (devq == NULL) 1924 return (ENXIO); 1925 1926 for( i = 0 ; i < SBP_NUM_TARGETS ; i++){ 1927 sbp->targets[i].fwdev = NULL; 1928 sbp->targets[i].luns = NULL; 1929 } 1930 1931 sbp->sim = cam_sim_alloc(sbp_action, sbp_poll, "sbp", sbp, 1932 device_get_unit(dev), 1933 /*untagged*/ 1, 1934 /*tagged*/ SBP_QUEUE_LEN - 1, 1935 devq); 1936 1937 if (sbp->sim == NULL) { 1938 cam_simq_free(devq); 1939 return (ENXIO); 1940 } 1941 1942 1943 if (xpt_bus_register(sbp->sim, /*bus*/0) != CAM_SUCCESS) 1944 goto fail; 1945 1946 if (xpt_create_path(&sbp->path, xpt_periph, cam_sim_path(sbp->sim), 1947 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 1948 xpt_bus_deregister(cam_sim_path(sbp->sim)); 1949 goto fail; 1950 } 1951 1952 /* We reserve 16 bit space (4 bytes X 64 targets X 256 luns) */ 1953 sbp->fwb.start = ((u_int64_t)SBP_BIND_HI << 32) | SBP_DEV2ADDR(0, 0); 1954 sbp->fwb.end = sbp->fwb.start + 0xffff; 1955 sbp->fwb.act_type = FWACT_XFER; 1956 /* pre-allocate xfer */ 1957 STAILQ_INIT(&sbp->fwb.xferlist); 1958 for (i = 0; i < SBP_NUM_OCB/2; i ++) { 1959 xfer = fw_xfer_alloc_buf(M_SBP, 1960 /* send */0, 1961 /* recv */SBP_RECV_LEN); 1962 xfer->act.hand = sbp_recv; 1963 #if NEED_RESPONSE 1964 xfer->fc = sbp->fd.fc; 1965 #endif 1966 xfer->sc = (caddr_t)sbp; 1967 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link); 1968 } 1969 fw_bindadd(sbp->fd.fc, &sbp->fwb); 1970 1971 sbp->fd.post_busreset = sbp_post_busreset; 1972 sbp->fd.post_explore = sbp_post_explore; 1973 1974 if (sbp->fd.fc->status != -1) { 1975 s = splfw(); 1976 sbp_post_busreset((void *)sbp); 1977 sbp_post_explore((void *)sbp); 1978 splx(s); 1979 } 1980 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL); 1981 1982 return (0); 1983 fail: 1984 cam_sim_free(sbp->sim, /*free_devq*/TRUE); 1985 return (ENXIO); 1986 } 1987 1988 static int 1989 sbp_logout_all(struct sbp_softc *sbp) 1990 { 1991 struct sbp_target *target; 1992 struct sbp_dev *sdev; 1993 int i, j; 1994 1995 SBP_DEBUG(0) 1996 printf("sbp_logout_all\n"); 1997 END_DEBUG 1998 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) { 1999 target = &sbp->targets[i]; 2000 if (target->luns == NULL) 2001 continue; 2002 for (j = 0; j < target->num_lun; j++) { 2003 sdev = target->luns[j]; 2004 if (sdev == NULL) 2005 continue; 2006 callout_stop(&sdev->login_callout); 2007 if (sdev->status >= SBP_DEV_TOATTACH && 2008 sdev->status <= SBP_DEV_ATTACHED) 2009 sbp_mgm_orb(sdev, ORB_FUN_LGO, NULL); 2010 } 2011 } 2012 2013 return 0; 2014 } 2015 2016 static int 2017 sbp_shutdown(device_t dev) 2018 { 2019 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 2020 2021 sbp_logout_all(sbp); 2022 return (0); 2023 } 2024 2025 static void 2026 sbp_free_sdev(struct sbp_dev *sdev) 2027 { 2028 int i; 2029 2030 if (sdev == NULL) 2031 return; 2032 for (i = 0; i < SBP_QUEUE_LEN; i++) 2033 bus_dmamap_destroy(sdev->target->sbp->dmat, 2034 sdev->ocb[i].dmamap); 2035 fwdma_free(sdev->target->sbp->fd.fc, &sdev->dma); 2036 free(sdev, M_SBP); 2037 } 2038 2039 static void 2040 sbp_free_target(struct sbp_target *target) 2041 { 2042 struct sbp_softc *sbp; 2043 struct fw_xfer *xfer, *next; 2044 int i; 2045 2046 if (target->luns == NULL) 2047 return; 2048 callout_stop(&target->mgm_ocb_timeout); 2049 sbp = target->sbp; 2050 for (i = 0; i < target->num_lun; i++) 2051 sbp_free_sdev(target->luns[i]); 2052 2053 for (xfer = STAILQ_FIRST(&target->xferlist); 2054 xfer != NULL; xfer = next) { 2055 next = STAILQ_NEXT(xfer, link); 2056 fw_xfer_free_buf(xfer); 2057 } 2058 STAILQ_INIT(&target->xferlist); 2059 free(target->luns, M_SBP); 2060 target->num_lun = 0;; 2061 target->luns = NULL; 2062 target->fwdev = NULL; 2063 } 2064 2065 static int 2066 sbp_detach(device_t dev) 2067 { 2068 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 2069 struct firewire_comm *fc = sbp->fd.fc; 2070 struct fw_xfer *xfer, *next; 2071 int i; 2072 2073 SBP_DEBUG(0) 2074 printf("sbp_detach\n"); 2075 END_DEBUG 2076 2077 for (i = 0; i < SBP_NUM_TARGETS; i ++) 2078 sbp_cam_detach_target(&sbp->targets[i]); 2079 xpt_async(AC_LOST_DEVICE, sbp->path, NULL); 2080 xpt_free_path(sbp->path); 2081 xpt_bus_deregister(cam_sim_path(sbp->sim)); 2082 cam_sim_free(sbp->sim, /*free_devq*/ TRUE), 2083 2084 sbp_logout_all(sbp); 2085 2086 /* XXX wait for logout completion */ 2087 tsleep(&i, FWPRI, "sbpdtc", hz/2); 2088 2089 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) 2090 sbp_free_target(&sbp->targets[i]); 2091 2092 for (xfer = STAILQ_FIRST(&sbp->fwb.xferlist); 2093 xfer != NULL; xfer = next) { 2094 next = STAILQ_NEXT(xfer, link); 2095 fw_xfer_free_buf(xfer); 2096 } 2097 STAILQ_INIT(&sbp->fwb.xferlist); 2098 fw_bindremove(fc, &sbp->fwb); 2099 2100 bus_dma_tag_destroy(sbp->dmat); 2101 2102 return (0); 2103 } 2104 2105 static void 2106 sbp_cam_detach_sdev(struct sbp_dev *sdev) 2107 { 2108 if (sdev == NULL) 2109 return; 2110 if (sdev->status == SBP_DEV_DEAD) 2111 return; 2112 if (sdev->status == SBP_DEV_RESET) 2113 return; 2114 if (sdev->path) { 2115 xpt_release_devq(sdev->path, 2116 sdev->freeze, TRUE); 2117 sdev->freeze = 0; 2118 xpt_async(AC_LOST_DEVICE, sdev->path, NULL); 2119 xpt_free_path(sdev->path); 2120 sdev->path = NULL; 2121 } 2122 sbp_abort_all_ocbs(sdev, CAM_DEV_NOT_THERE); 2123 } 2124 2125 static void 2126 sbp_cam_detach_target(struct sbp_target *target) 2127 { 2128 int i; 2129 2130 if (target->luns != NULL) { 2131 SBP_DEBUG(0) 2132 printf("sbp_detach_target %d\n", target->target_id); 2133 END_DEBUG 2134 callout_stop(&target->scan_callout); 2135 for (i = 0; i < target->num_lun; i++) 2136 sbp_cam_detach_sdev(target->luns[i]); 2137 } 2138 } 2139 2140 static void 2141 sbp_target_reset(struct sbp_dev *sdev, int method) 2142 { 2143 int i; 2144 struct sbp_target *target = sdev->target; 2145 struct sbp_dev *tsdev; 2146 2147 for (i = 0; i < target->num_lun; i++) { 2148 tsdev = target->luns[i]; 2149 if (tsdev == NULL) 2150 continue; 2151 if (tsdev->status == SBP_DEV_DEAD) 2152 continue; 2153 if (tsdev->status == SBP_DEV_RESET) 2154 continue; 2155 xpt_freeze_devq(tsdev->path, 1); 2156 tsdev->freeze ++; 2157 sbp_abort_all_ocbs(tsdev, CAM_CMD_TIMEOUT); 2158 if (method == 2) 2159 tsdev->status = SBP_DEV_LOGIN; 2160 } 2161 switch(method) { 2162 case 1: 2163 printf("target reset\n"); 2164 sbp_mgm_orb(sdev, ORB_FUN_RST, NULL); 2165 break; 2166 case 2: 2167 printf("reset start\n"); 2168 sbp_reset_start(sdev); 2169 break; 2170 } 2171 2172 } 2173 2174 static void 2175 sbp_mgm_timeout(void *arg) 2176 { 2177 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 2178 struct sbp_dev *sdev = ocb->sdev; 2179 struct sbp_target *target = sdev->target; 2180 2181 sbp_show_sdev_info(sdev, 2); 2182 printf("request timeout(mgm orb:0x%08x) ... ", 2183 (u_int32_t)ocb->bus_addr); 2184 target->mgm_ocb_cur = NULL; 2185 sbp_free_ocb(sdev, ocb); 2186 #if 0 2187 /* XXX */ 2188 printf("run next request\n"); 2189 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 2190 #endif 2191 #if 1 2192 printf("reset start\n"); 2193 sbp_reset_start(sdev); 2194 #endif 2195 } 2196 2197 static void 2198 sbp_timeout(void *arg) 2199 { 2200 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 2201 struct sbp_dev *sdev = ocb->sdev; 2202 2203 sbp_show_sdev_info(sdev, 2); 2204 printf("request timeout(cmd orb:0x%08x) ... ", 2205 (u_int32_t)ocb->bus_addr); 2206 2207 sdev->timeout ++; 2208 switch(sdev->timeout) { 2209 case 1: 2210 printf("agent reset\n"); 2211 xpt_freeze_devq(sdev->path, 1); 2212 sdev->freeze ++; 2213 sbp_abort_all_ocbs(sdev, CAM_CMD_TIMEOUT); 2214 sbp_agent_reset(sdev); 2215 break; 2216 case 2: 2217 case 3: 2218 sbp_target_reset(sdev, sdev->timeout - 1); 2219 break; 2220 #if 0 2221 default: 2222 /* XXX give up */ 2223 sbp_cam_detach_target(target); 2224 if (target->luns != NULL) 2225 free(target->luns, M_SBP); 2226 target->num_lun = 0;; 2227 target->luns = NULL; 2228 target->fwdev = NULL; 2229 #endif 2230 } 2231 } 2232 2233 static void 2234 sbp_action1(struct cam_sim *sim, union ccb *ccb) 2235 { 2236 2237 struct sbp_softc *sbp = (struct sbp_softc *)sim->softc; 2238 struct sbp_target *target = NULL; 2239 struct sbp_dev *sdev = NULL; 2240 2241 /* target:lun -> sdev mapping */ 2242 if (sbp != NULL 2243 && ccb->ccb_h.target_id != CAM_TARGET_WILDCARD 2244 && ccb->ccb_h.target_id < SBP_NUM_TARGETS) { 2245 target = &sbp->targets[ccb->ccb_h.target_id]; 2246 if (target->fwdev != NULL 2247 && ccb->ccb_h.target_lun != CAM_LUN_WILDCARD 2248 && ccb->ccb_h.target_lun < target->num_lun) { 2249 sdev = target->luns[ccb->ccb_h.target_lun]; 2250 if (sdev != NULL && sdev->status != SBP_DEV_ATTACHED && 2251 sdev->status != SBP_DEV_PROBE) 2252 sdev = NULL; 2253 } 2254 } 2255 2256 SBP_DEBUG(1) 2257 if (sdev == NULL) 2258 printf("invalid target %d lun %d\n", 2259 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2260 END_DEBUG 2261 2262 switch (ccb->ccb_h.func_code) { 2263 case XPT_SCSI_IO: 2264 case XPT_RESET_DEV: 2265 case XPT_GET_TRAN_SETTINGS: 2266 case XPT_SET_TRAN_SETTINGS: 2267 case XPT_CALC_GEOMETRY: 2268 if (sdev == NULL) { 2269 SBP_DEBUG(1) 2270 printf("%s:%d:%d:func_code 0x%04x: " 2271 "Invalid target (target needed)\n", 2272 device_get_nameunit(sbp->fd.dev), 2273 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2274 ccb->ccb_h.func_code); 2275 END_DEBUG 2276 2277 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2278 xpt_done(ccb); 2279 return; 2280 } 2281 break; 2282 case XPT_PATH_INQ: 2283 case XPT_NOOP: 2284 /* The opcodes sometimes aimed at a target (sc is valid), 2285 * sometimes aimed at the SIM (sc is invalid and target is 2286 * CAM_TARGET_WILDCARD) 2287 */ 2288 if (sbp == NULL && 2289 ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) { 2290 SBP_DEBUG(0) 2291 printf("%s:%d:%d func_code 0x%04x: " 2292 "Invalid target (no wildcard)\n", 2293 device_get_nameunit(sbp->fd.dev), 2294 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2295 ccb->ccb_h.func_code); 2296 END_DEBUG 2297 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2298 xpt_done(ccb); 2299 return; 2300 } 2301 break; 2302 default: 2303 /* XXX Hm, we should check the input parameters */ 2304 break; 2305 } 2306 2307 switch (ccb->ccb_h.func_code) { 2308 case XPT_SCSI_IO: 2309 { 2310 struct ccb_scsiio *csio; 2311 struct sbp_ocb *ocb; 2312 int speed; 2313 void *cdb; 2314 2315 csio = &ccb->csio; 2316 2317 SBP_DEBUG(2) 2318 printf("%s:%d:%d XPT_SCSI_IO: " 2319 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 2320 ", flags: 0x%02x, " 2321 "%db cmd/%db data/%db sense\n", 2322 device_get_nameunit(sbp->fd.dev), 2323 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2324 csio->cdb_io.cdb_bytes[0], 2325 csio->cdb_io.cdb_bytes[1], 2326 csio->cdb_io.cdb_bytes[2], 2327 csio->cdb_io.cdb_bytes[3], 2328 csio->cdb_io.cdb_bytes[4], 2329 csio->cdb_io.cdb_bytes[5], 2330 csio->cdb_io.cdb_bytes[6], 2331 csio->cdb_io.cdb_bytes[7], 2332 csio->cdb_io.cdb_bytes[8], 2333 csio->cdb_io.cdb_bytes[9], 2334 ccb->ccb_h.flags & CAM_DIR_MASK, 2335 csio->cdb_len, csio->dxfer_len, 2336 csio->sense_len); 2337 END_DEBUG 2338 if(sdev == NULL){ 2339 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2340 xpt_done(ccb); 2341 return; 2342 } 2343 #if 0 2344 /* if we are in probe stage, pass only probe commands */ 2345 if (sdev->status == SBP_DEV_PROBE) { 2346 char *name; 2347 name = xpt_path_periph(ccb->ccb_h.path)->periph_name; 2348 printf("probe stage, periph name: %s\n", name); 2349 if (strcmp(name, "probe") != 0) { 2350 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2351 xpt_done(ccb); 2352 return; 2353 } 2354 } 2355 #endif 2356 if ((ocb = sbp_get_ocb(sdev)) == NULL) { 2357 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2358 xpt_done(ccb); 2359 return; 2360 } 2361 2362 ocb->flags = OCB_ACT_CMD; 2363 ocb->sdev = sdev; 2364 ocb->ccb = ccb; 2365 ccb->ccb_h.ccb_sdev_ptr = sdev; 2366 ocb->orb[0] = htonl(1 << 31); 2367 ocb->orb[1] = 0; 2368 ocb->orb[2] = htonl(((sbp->fd.fc->nodeid | FWLOCALBUS )<< 16) ); 2369 ocb->orb[3] = htonl(ocb->bus_addr + IND_PTR_OFFSET); 2370 speed = min(target->fwdev->speed, max_speed); 2371 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_CMD_SPD(speed) 2372 | ORB_CMD_MAXP(speed + 7)); 2373 if((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN){ 2374 ocb->orb[4] |= htonl(ORB_CMD_IN); 2375 } 2376 2377 if (csio->ccb_h.flags & CAM_SCATTER_VALID) 2378 printf("sbp: CAM_SCATTER_VALID\n"); 2379 if (csio->ccb_h.flags & CAM_DATA_PHYS) 2380 printf("sbp: CAM_DATA_PHYS\n"); 2381 2382 if (csio->ccb_h.flags & CAM_CDB_POINTER) 2383 cdb = (void *)csio->cdb_io.cdb_ptr; 2384 else 2385 cdb = (void *)&csio->cdb_io.cdb_bytes; 2386 bcopy(cdb, (void *)&ocb->orb[5], csio->cdb_len); 2387 /* 2388 printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[0]), ntohl(ocb->orb[1]), ntohl(ocb->orb[2]), ntohl(ocb->orb[3])); 2389 printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[4]), ntohl(ocb->orb[5]), ntohl(ocb->orb[6]), ntohl(ocb->orb[7])); 2390 */ 2391 if (ccb->csio.dxfer_len > 0) { 2392 int s, error; 2393 2394 s = splsoftvm(); 2395 error = bus_dmamap_load(/*dma tag*/sbp->dmat, 2396 /*dma map*/ocb->dmamap, 2397 ccb->csio.data_ptr, 2398 ccb->csio.dxfer_len, 2399 sbp_execute_ocb, 2400 ocb, 2401 /*flags*/0); 2402 splx(s); 2403 if (error) 2404 printf("sbp: bus_dmamap_load error %d\n", error); 2405 } else 2406 sbp_execute_ocb(ocb, NULL, 0, 0); 2407 break; 2408 } 2409 case XPT_CALC_GEOMETRY: 2410 { 2411 struct ccb_calc_geometry *ccg; 2412 #if defined(__DragonFly__) || __FreeBSD_version < 501100 2413 u_int32_t size_mb; 2414 u_int32_t secs_per_cylinder; 2415 int extended = 1; 2416 #endif 2417 2418 ccg = &ccb->ccg; 2419 if (ccg->block_size == 0) { 2420 printf("sbp_action1: block_size is 0.\n"); 2421 ccb->ccb_h.status = CAM_REQ_INVALID; 2422 xpt_done(ccb); 2423 break; 2424 } 2425 SBP_DEBUG(1) 2426 printf("%s:%d:%d:%d:XPT_CALC_GEOMETRY: " 2427 #if defined(__DragonFly__) || __FreeBSD_version < 500000 2428 "Volume size = %d\n", 2429 #else 2430 "Volume size = %jd\n", 2431 #endif 2432 device_get_nameunit(sbp->fd.dev), 2433 cam_sim_path(sbp->sim), 2434 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2435 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000 2436 (uintmax_t) 2437 #endif 2438 ccg->volume_size); 2439 END_DEBUG 2440 2441 #if defined(__DragonFly__) || __FreeBSD_version < 501100 2442 size_mb = ccg->volume_size 2443 / ((1024L * 1024L) / ccg->block_size); 2444 2445 if (size_mb > 1024 && extended) { 2446 ccg->heads = 255; 2447 ccg->secs_per_track = 63; 2448 } else { 2449 ccg->heads = 64; 2450 ccg->secs_per_track = 32; 2451 } 2452 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 2453 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 2454 ccb->ccb_h.status = CAM_REQ_CMP; 2455 #else 2456 cam_calc_geometry(ccg, /*extended*/1); 2457 #endif 2458 xpt_done(ccb); 2459 break; 2460 } 2461 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 2462 { 2463 2464 SBP_DEBUG(1) 2465 printf("%s:%d:XPT_RESET_BUS: \n", 2466 device_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim)); 2467 END_DEBUG 2468 2469 ccb->ccb_h.status = CAM_REQ_INVALID; 2470 xpt_done(ccb); 2471 break; 2472 } 2473 case XPT_PATH_INQ: /* Path routing inquiry */ 2474 { 2475 struct ccb_pathinq *cpi = &ccb->cpi; 2476 2477 SBP_DEBUG(1) 2478 printf("%s:%d:%d XPT_PATH_INQ:.\n", 2479 device_get_nameunit(sbp->fd.dev), 2480 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2481 END_DEBUG 2482 cpi->version_num = 1; /* XXX??? */ 2483 cpi->hba_inquiry = PI_TAG_ABLE; 2484 cpi->target_sprt = 0; 2485 cpi->hba_misc = PIM_NOBUSRESET | PIM_NO_6_BYTE; 2486 cpi->hba_eng_cnt = 0; 2487 cpi->max_target = SBP_NUM_TARGETS - 1; 2488 cpi->max_lun = SBP_NUM_LUNS - 1; 2489 cpi->initiator_id = SBP_INITIATOR; 2490 cpi->bus_id = sim->bus_id; 2491 cpi->base_transfer_speed = 400 * 1000 / 8; 2492 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 2493 strncpy(cpi->hba_vid, "SBP", HBA_IDLEN); 2494 strncpy(cpi->dev_name, sim->sim_name, DEV_IDLEN); 2495 cpi->unit_number = sim->unit_number; 2496 2497 cpi->ccb_h.status = CAM_REQ_CMP; 2498 xpt_done(ccb); 2499 break; 2500 } 2501 case XPT_GET_TRAN_SETTINGS: 2502 { 2503 struct ccb_trans_settings *cts = &ccb->cts; 2504 SBP_DEBUG(1) 2505 printf("%s:%d:%d XPT_GET_TRAN_SETTINGS:.\n", 2506 device_get_nameunit(sbp->fd.dev), 2507 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2508 END_DEBUG 2509 /* Enable disconnect and tagged queuing */ 2510 cts->valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID; 2511 cts->flags = CCB_TRANS_DISC_ENB | CCB_TRANS_TAG_ENB; 2512 2513 cts->ccb_h.status = CAM_REQ_CMP; 2514 xpt_done(ccb); 2515 break; 2516 } 2517 case XPT_ABORT: 2518 ccb->ccb_h.status = CAM_UA_ABORT; 2519 xpt_done(ccb); 2520 break; 2521 case XPT_SET_TRAN_SETTINGS: 2522 /* XXX */ 2523 default: 2524 ccb->ccb_h.status = CAM_REQ_INVALID; 2525 xpt_done(ccb); 2526 break; 2527 } 2528 return; 2529 } 2530 2531 static void 2532 sbp_action(struct cam_sim *sim, union ccb *ccb) 2533 { 2534 int s; 2535 2536 s = splfw(); 2537 sbp_action1(sim, ccb); 2538 splx(s); 2539 } 2540 2541 static void 2542 sbp_execute_ocb(void *arg, bus_dma_segment_t *segments, int seg, int error) 2543 { 2544 int i; 2545 struct sbp_ocb *ocb; 2546 struct sbp_ocb *prev; 2547 bus_dma_segment_t *s; 2548 2549 if (error) 2550 printf("sbp_execute_ocb: error=%d\n", error); 2551 2552 ocb = (struct sbp_ocb *)arg; 2553 2554 SBP_DEBUG(2) 2555 printf("sbp_execute_ocb: seg %d", seg); 2556 for (i = 0; i < seg; i++) 2557 #if defined(__DragonFly__) || __FreeBSD_version < 500000 2558 printf(", %x:%d", segments[i].ds_addr, segments[i].ds_len); 2559 #else 2560 printf(", %jx:%jd", (uintmax_t)segments[i].ds_addr, 2561 (uintmax_t)segments[i].ds_len); 2562 #endif 2563 printf("\n"); 2564 END_DEBUG 2565 2566 if (seg == 1) { 2567 /* direct pointer */ 2568 s = &segments[0]; 2569 if (s->ds_len > SBP_SEG_MAX) 2570 panic("ds_len > SBP_SEG_MAX, fix busdma code"); 2571 ocb->orb[3] = htonl(s->ds_addr); 2572 ocb->orb[4] |= htonl(s->ds_len); 2573 } else if(seg > 1) { 2574 /* page table */ 2575 for (i = 0; i < seg; i++) { 2576 s = &segments[i]; 2577 SBP_DEBUG(0) 2578 /* XXX LSI Logic "< 16 byte" bug might be hit */ 2579 if (s->ds_len < 16) 2580 printf("sbp_execute_ocb: warning, " 2581 #if defined(__DragonFly__) || __FreeBSD_version < 500000 2582 "segment length(%d) is less than 16." 2583 #else 2584 "segment length(%zd) is less than 16." 2585 #endif 2586 "(seg=%d/%d)\n", s->ds_len, i+1, seg); 2587 END_DEBUG 2588 if (s->ds_len > SBP_SEG_MAX) 2589 panic("ds_len > SBP_SEG_MAX, fix busdma code"); 2590 ocb->ind_ptr[i].hi = htonl(s->ds_len << 16); 2591 ocb->ind_ptr[i].lo = htonl(s->ds_addr); 2592 } 2593 ocb->orb[4] |= htonl(ORB_CMD_PTBL | seg); 2594 } 2595 2596 if (seg > 0) 2597 bus_dmamap_sync(ocb->sdev->target->sbp->dmat, ocb->dmamap, 2598 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2599 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE); 2600 prev = sbp_enqueue_ocb(ocb->sdev, ocb); 2601 fwdma_sync(&ocb->sdev->dma, BUS_DMASYNC_PREWRITE); 2602 if (prev == NULL || (ocb->sdev->flags & ORB_LINK_DEAD) != 0) { 2603 ocb->sdev->flags &= ~ORB_LINK_DEAD; 2604 sbp_orb_pointer(ocb->sdev, ocb); 2605 } 2606 } 2607 2608 static void 2609 sbp_poll(struct cam_sim *sim) 2610 { 2611 struct sbp_softc *sbp; 2612 struct firewire_comm *fc; 2613 2614 sbp = (struct sbp_softc *)sim->softc; 2615 fc = sbp->fd.fc; 2616 2617 fc->poll(fc, 0, -1); 2618 2619 return; 2620 } 2621 2622 static struct sbp_ocb * 2623 sbp_dequeue_ocb(struct sbp_dev *sdev, struct sbp_status *sbp_status) 2624 { 2625 struct sbp_ocb *ocb; 2626 struct sbp_ocb *next; 2627 int s = splfw(), order = 0; 2628 int flags; 2629 2630 SBP_DEBUG(1) 2631 sbp_show_sdev_info(sdev, 2); 2632 #if defined(__DragonFly__) || __FreeBSD_version < 500000 2633 printf("%s: 0x%08lx src %d\n", 2634 #else 2635 printf("%s: 0x%08x src %d\n", 2636 #endif 2637 __FUNCTION__, ntohl(sbp_status->orb_lo), sbp_status->src); 2638 END_DEBUG 2639 for (ocb = STAILQ_FIRST(&sdev->ocbs); ocb != NULL; ocb = next) { 2640 next = STAILQ_NEXT(ocb, ocb); 2641 flags = ocb->flags; 2642 if (OCB_MATCH(ocb, sbp_status)) { 2643 /* found */ 2644 STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb); 2645 if (ocb->ccb != NULL) 2646 untimeout(sbp_timeout, (caddr_t)ocb, 2647 ocb->ccb->ccb_h.timeout_ch); 2648 if (ntohl(ocb->orb[4]) & 0xffff) { 2649 bus_dmamap_sync(sdev->target->sbp->dmat, 2650 ocb->dmamap, 2651 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2652 BUS_DMASYNC_POSTREAD : 2653 BUS_DMASYNC_POSTWRITE); 2654 bus_dmamap_unload(sdev->target->sbp->dmat, 2655 ocb->dmamap); 2656 } 2657 if (sbp_status->src == SRC_NO_NEXT) { 2658 if (next != NULL) 2659 sbp_orb_pointer(sdev, next); 2660 else if (order > 0) { 2661 /* 2662 * Unordered execution 2663 * We need to send pointer for 2664 * next ORB 2665 */ 2666 sdev->flags |= ORB_LINK_DEAD; 2667 } 2668 } 2669 break; 2670 } else 2671 order ++; 2672 } 2673 splx(s); 2674 SBP_DEBUG(0) 2675 if (ocb && order > 0) { 2676 sbp_show_sdev_info(sdev, 2); 2677 printf("unordered execution order:%d\n", order); 2678 } 2679 END_DEBUG 2680 return (ocb); 2681 } 2682 2683 static struct sbp_ocb * 2684 sbp_enqueue_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 2685 { 2686 int s = splfw(); 2687 struct sbp_ocb *prev; 2688 2689 SBP_DEBUG(1) 2690 sbp_show_sdev_info(sdev, 2); 2691 #if defined(__DragonFly__) || __FreeBSD_version < 500000 2692 printf("%s: 0x%08x\n", __FUNCTION__, ocb->bus_addr); 2693 #else 2694 printf("%s: 0x%08jx\n", __FUNCTION__, (uintmax_t)ocb->bus_addr); 2695 #endif 2696 END_DEBUG 2697 prev = STAILQ_LAST(&sdev->ocbs, sbp_ocb, ocb); 2698 STAILQ_INSERT_TAIL(&sdev->ocbs, ocb, ocb); 2699 2700 if (ocb->ccb != NULL) 2701 ocb->ccb->ccb_h.timeout_ch = timeout(sbp_timeout, (caddr_t)ocb, 2702 (ocb->ccb->ccb_h.timeout * hz) / 1000); 2703 2704 if (prev != NULL) { 2705 SBP_DEBUG(2) 2706 #if defined(__DragonFly__) || __FreeBSD_version < 500000 2707 printf("linking chain 0x%x -> 0x%x\n", 2708 prev->bus_addr, ocb->bus_addr); 2709 #else 2710 printf("linking chain 0x%jx -> 0x%jx\n", 2711 (uintmax_t)prev->bus_addr, (uintmax_t)ocb->bus_addr); 2712 #endif 2713 END_DEBUG 2714 prev->orb[1] = htonl(ocb->bus_addr); 2715 prev->orb[0] = 0; 2716 } 2717 splx(s); 2718 2719 return prev; 2720 } 2721 2722 static struct sbp_ocb * 2723 sbp_get_ocb(struct sbp_dev *sdev) 2724 { 2725 struct sbp_ocb *ocb; 2726 int s = splfw(); 2727 ocb = STAILQ_FIRST(&sdev->free_ocbs); 2728 if (ocb == NULL) { 2729 printf("ocb shortage!!!\n"); 2730 return NULL; 2731 } 2732 STAILQ_REMOVE_HEAD(&sdev->free_ocbs, ocb); 2733 splx(s); 2734 ocb->ccb = NULL; 2735 return (ocb); 2736 } 2737 2738 static void 2739 sbp_free_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 2740 { 2741 ocb->flags = 0; 2742 ocb->ccb = NULL; 2743 STAILQ_INSERT_TAIL(&sdev->free_ocbs, ocb, ocb); 2744 } 2745 2746 static void 2747 sbp_abort_ocb(struct sbp_ocb *ocb, int status) 2748 { 2749 struct sbp_dev *sdev; 2750 2751 sdev = ocb->sdev; 2752 SBP_DEBUG(0) 2753 sbp_show_sdev_info(sdev, 2); 2754 #if defined(__DragonFly__) || __FreeBSD_version < 500000 2755 printf("sbp_abort_ocb 0x%x\n", ocb->bus_addr); 2756 #else 2757 printf("sbp_abort_ocb 0x%jx\n", (uintmax_t)ocb->bus_addr); 2758 #endif 2759 END_DEBUG 2760 SBP_DEBUG(1) 2761 if (ocb->ccb != NULL) 2762 sbp_print_scsi_cmd(ocb); 2763 END_DEBUG 2764 if (ntohl(ocb->orb[4]) & 0xffff) { 2765 bus_dmamap_sync(sdev->target->sbp->dmat, ocb->dmamap, 2766 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2767 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 2768 bus_dmamap_unload(sdev->target->sbp->dmat, ocb->dmamap); 2769 } 2770 if (ocb->ccb != NULL) { 2771 untimeout(sbp_timeout, (caddr_t)ocb, 2772 ocb->ccb->ccb_h.timeout_ch); 2773 ocb->ccb->ccb_h.status = status; 2774 xpt_done(ocb->ccb); 2775 } 2776 sbp_free_ocb(sdev, ocb); 2777 } 2778 2779 static void 2780 sbp_abort_all_ocbs(struct sbp_dev *sdev, int status) 2781 { 2782 int s; 2783 struct sbp_ocb *ocb, *next; 2784 STAILQ_HEAD(, sbp_ocb) temp; 2785 2786 s = splfw(); 2787 2788 bcopy(&sdev->ocbs, &temp, sizeof(temp)); 2789 STAILQ_INIT(&sdev->ocbs); 2790 for (ocb = STAILQ_FIRST(&temp); ocb != NULL; ocb = next) { 2791 next = STAILQ_NEXT(ocb, ocb); 2792 sbp_abort_ocb(ocb, status); 2793 } 2794 2795 splx(s); 2796 } 2797 2798 static devclass_t sbp_devclass; 2799 2800 static device_method_t sbp_methods[] = { 2801 /* device interface */ 2802 DEVMETHOD(device_identify, sbp_identify), 2803 DEVMETHOD(device_probe, sbp_probe), 2804 DEVMETHOD(device_attach, sbp_attach), 2805 DEVMETHOD(device_detach, sbp_detach), 2806 DEVMETHOD(device_shutdown, sbp_shutdown), 2807 2808 { 0, 0 } 2809 }; 2810 2811 static driver_t sbp_driver = { 2812 "sbp", 2813 sbp_methods, 2814 sizeof(struct sbp_softc), 2815 }; 2816 2817 DECLARE_DUMMY_MODULE(sbp); 2818 DRIVER_MODULE(sbp, firewire, sbp_driver, sbp_devclass, 0, 0); 2819 MODULE_VERSION(sbp, 1); 2820 MODULE_DEPEND(sbp, firewire, 1, 1, 1); 2821 MODULE_DEPEND(sbp, cam, 1, 1, 1); 2822