1 /* 2 * Copyright (c) 2003 Hidetosh Shimokawa 3 * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetosh Shimokawa 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the acknowledgement as bellow: 16 * 17 * This product includes software developed by K. Kobayashi and H. Shimokawa 18 * 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 24 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 25 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 26 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 27 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 30 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 31 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 * POSSIBILITY OF SUCH DAMAGE. 33 * 34 * $FreeBSD$ 35 * 36 */ 37 38 #include <sys/param.h> 39 #include <sys/systm.h> 40 #include <sys/module.h> 41 #include <sys/bus.h> 42 #include <sys/sysctl.h> 43 #include <machine/bus.h> 44 #include <sys/malloc.h> 45 #if __FreeBSD_version >= 501102 46 #include <sys/lock.h> 47 #include <sys/mutex.h> 48 #endif 49 50 #if __FreeBSD_version < 500106 51 #include <sys/devicestat.h> /* for struct devstat */ 52 #endif 53 54 #include <cam/cam.h> 55 #include <cam/cam_ccb.h> 56 #include <cam/cam_sim.h> 57 #include <cam/cam_xpt_sim.h> 58 #include <cam/cam_debug.h> 59 #include <cam/cam_periph.h> 60 61 #include <cam/scsi/scsi_all.h> 62 63 #include <sys/kernel.h> 64 65 #include <dev/firewire/firewire.h> 66 #include <dev/firewire/firewirereg.h> 67 #include <dev/firewire/fwdma.h> 68 #include <dev/firewire/iec13213.h> 69 70 #define ccb_sdev_ptr spriv_ptr0 71 #define ccb_sbp_ptr spriv_ptr1 72 73 #define SBP_NUM_TARGETS 8 /* MAX 64 */ 74 #define SBP_NUM_LUNS 8 /* limited by CAM_SCSI2_MAXLUN in cam_xpt.c */ 75 #define SBP_DMA_SIZE PAGE_SIZE 76 #define SBP_LOGIN_SIZE sizeof(struct sbp_login_res) 77 #define SBP_QUEUE_LEN ((SBP_DMA_SIZE - SBP_LOGIN_SIZE) / sizeof(struct sbp_ocb)) 78 #define SBP_NUM_OCB (SBP_QUEUE_LEN * SBP_NUM_TARGETS) 79 80 #define SBP_INITIATOR 7 81 82 #define LOGIN_DELAY 2 83 84 /* 85 * STATUS FIFO addressing 86 * bit 87 * ----------------------- 88 * 0- 1( 2): 0 (alingment) 89 * 2- 7( 6): target 90 * 8-15( 8): lun 91 * 16-23( 8): unit 92 * 24-31( 8): reserved 93 * 32-47(16): SBP_BIND_HI 94 * 48-64(16): bus_id, node_id 95 */ 96 #define SBP_BIND_HI 0x1 97 #define SBP_DEV2ADDR(u, t, l) \ 98 ((((u) & 0xff) << 16) | (((l) & 0xff) << 8) | (((t) & 0x3f) << 2)) 99 #define SBP_ADDR2TRG(a) (((a) >> 2) & 0x3f) 100 #define SBP_ADDR2LUN(a) (((a) >> 8) & 0xff) 101 102 #define ORB_NOTIFY (1 << 31) 103 #define ORB_FMT_STD (0 << 29) 104 #define ORB_FMT_VED (2 << 29) 105 #define ORB_FMT_NOP (3 << 29) 106 #define ORB_FMT_MSK (3 << 29) 107 #define ORB_EXV (1 << 28) 108 /* */ 109 #define ORB_CMD_IN (1 << 27) 110 /* */ 111 #define ORB_CMD_SPD(x) ((x) << 24) 112 #define ORB_CMD_MAXP(x) ((x) << 20) 113 #define ORB_RCN_TMO(x) ((x) << 20) 114 #define ORB_CMD_PTBL (1 << 19) 115 #define ORB_CMD_PSZ(x) ((x) << 16) 116 117 #define ORB_FUN_LGI (0 << 16) 118 #define ORB_FUN_QLG (1 << 16) 119 #define ORB_FUN_RCN (3 << 16) 120 #define ORB_FUN_LGO (7 << 16) 121 #define ORB_FUN_ATA (0xb << 16) 122 #define ORB_FUN_ATS (0xc << 16) 123 #define ORB_FUN_LUR (0xe << 16) 124 #define ORB_FUN_RST (0xf << 16) 125 #define ORB_FUN_MSK (0xf << 16) 126 #define ORB_FUN_RUNQUEUE 0xffff 127 128 static char *orb_fun_name[] = { 129 /* 0 */ "LOGIN", 130 /* 1 */ "QUERY LOGINS", 131 /* 2 */ "Reserved", 132 /* 3 */ "RECONNECT", 133 /* 4 */ "SET PASSWORD", 134 /* 5 */ "Reserved", 135 /* 6 */ "Reserved", 136 /* 7 */ "LOGOUT", 137 /* 8 */ "Reserved", 138 /* 9 */ "Reserved", 139 /* A */ "Reserved", 140 /* B */ "ABORT TASK", 141 /* C */ "ABORT TASK SET", 142 /* D */ "Reserved", 143 /* E */ "LOGICAL UNIT RESET", 144 /* F */ "TARGET RESET" 145 }; 146 147 #define ORB_RES_CMPL 0 148 #define ORB_RES_FAIL 1 149 #define ORB_RES_ILLE 2 150 #define ORB_RES_VEND 3 151 152 static int debug = 0; 153 static int auto_login = 1; 154 static int max_speed = 2; 155 static int sbp_cold = 1; 156 157 SYSCTL_DECL(_hw_firewire); 158 SYSCTL_NODE(_hw_firewire, OID_AUTO, sbp, CTLFLAG_RD, 0, "SBP-II Subsystem"); 159 SYSCTL_INT(_debug, OID_AUTO, sbp_debug, CTLFLAG_RW, &debug, 0, 160 "SBP debug flag"); 161 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, auto_login, CTLFLAG_RW, &auto_login, 0, 162 "SBP perform login automatically"); 163 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, max_speed, CTLFLAG_RW, &max_speed, 0, 164 "SBP transfer max speed"); 165 166 #define SBP_DEBUG(x) if (debug > x) { 167 #define END_DEBUG } 168 169 #define NEED_RESPONSE 0 170 171 struct ind_ptr { 172 u_int32_t hi,lo; 173 }; 174 #define SBP_SEG_MAX rounddown(0xffff, PAGE_SIZE) 175 #ifdef __sparc64__ /* iommu */ 176 #define SBP_IND_MAX howmany(MAXPHYS, SBP_SEG_MAX) 177 #else 178 #define SBP_IND_MAX howmany(MAXPHYS, PAGE_SIZE) 179 #endif 180 struct sbp_ocb { 181 STAILQ_ENTRY(sbp_ocb) ocb; 182 union ccb *ccb; 183 bus_addr_t bus_addr; 184 volatile u_int32_t orb[8]; 185 #define IND_PTR_OFFSET (8*sizeof(u_int32_t)) 186 volatile struct ind_ptr ind_ptr[SBP_IND_MAX]; 187 struct sbp_dev *sdev; 188 int flags; /* XXX should be removed */ 189 bus_dmamap_t dmamap; 190 }; 191 192 #define OCB_ACT_MGM 0 193 #define OCB_ACT_CMD 1 194 #define OCB_MATCH(o,s) ((o)->bus_addr == ntohl((s)->orb_lo)) 195 196 #define SBP_RECV_LEN (16 + 32) /* header + payload */ 197 198 struct sbp_login_res{ 199 u_int16_t len; 200 u_int16_t id; 201 u_int16_t res0; 202 u_int16_t cmd_hi; 203 u_int32_t cmd_lo; 204 u_int16_t res1; 205 u_int16_t recon_hold; 206 }; 207 struct sbp_status{ 208 #if BYTE_ORDER == BIG_ENDIAN 209 u_int8_t src:2, 210 resp:2, 211 dead:1, 212 len:3; 213 #else 214 u_int8_t len:3, 215 dead:1, 216 resp:2, 217 src:2; 218 #endif 219 u_int8_t status; 220 u_int16_t orb_hi; 221 u_int32_t orb_lo; 222 u_int32_t data[6]; 223 }; 224 struct sbp_cmd_status{ 225 #define SBP_SFMT_CURR 0 226 #define SBP_SFMT_DEFER 1 227 #if BYTE_ORDER == BIG_ENDIAN 228 u_int8_t sfmt:2, 229 status:6; 230 u_int8_t valid:1, 231 mark:1, 232 eom:1, 233 ill_len:1, 234 s_key:4; 235 #else 236 u_int8_t status:6, 237 sfmt:2; 238 u_int8_t s_key:4, 239 ill_len:1, 240 eom:1, 241 mark:1, 242 valid:1; 243 #endif 244 u_int8_t s_code; 245 u_int8_t s_qlfr; 246 u_int32_t info; 247 u_int32_t cdb; 248 u_int8_t fru; 249 u_int8_t s_keydep[3]; 250 u_int32_t vend[2]; 251 }; 252 253 struct sbp_dev{ 254 #define SBP_DEV_RESET 0 /* accept login */ 255 #define SBP_DEV_LOGIN 1 /* to login */ 256 #if 0 257 #define SBP_DEV_RECONN 2 /* to reconnect */ 258 #endif 259 #define SBP_DEV_TOATTACH 3 /* to attach */ 260 #define SBP_DEV_PROBE 4 /* scan lun */ 261 #define SBP_DEV_ATTACHED 5 /* in operation */ 262 #define SBP_DEV_DEAD 6 /* unavailable unit */ 263 #define SBP_DEV_RETRY 7 /* unavailable unit */ 264 u_int8_t status:4, 265 timeout:4; 266 u_int8_t type; 267 u_int16_t lun_id; 268 int freeze; 269 struct cam_path *path; 270 struct sbp_target *target; 271 struct fwdma_alloc dma; 272 struct sbp_login_res *login; 273 struct callout login_callout; 274 struct sbp_ocb *ocb; 275 STAILQ_HEAD(, sbp_ocb) ocbs; 276 STAILQ_HEAD(, sbp_ocb) free_ocbs; 277 char vendor[32]; 278 char product[32]; 279 char revision[10]; 280 }; 281 282 struct sbp_target { 283 int target_id; 284 int num_lun; 285 struct sbp_dev *luns; 286 struct sbp_softc *sbp; 287 struct fw_device *fwdev; 288 u_int32_t mgm_hi, mgm_lo; 289 struct sbp_ocb *mgm_ocb_cur; 290 STAILQ_HEAD(, sbp_ocb) mgm_ocb_queue; 291 struct callout mgm_ocb_timeout; 292 #define SCAN_DELAY 2 293 struct callout scan_callout; 294 STAILQ_HEAD(, fw_xfer) xferlist; 295 int n_xfer; 296 }; 297 298 struct sbp_softc { 299 struct firewire_dev_comm fd; 300 struct cam_sim *sim; 301 struct cam_path *path; 302 struct sbp_target targets[SBP_NUM_TARGETS]; 303 struct fw_bind fwb; 304 bus_dma_tag_t dmat; 305 #define SBP_RESOURCE_SHORTAGE 0x10 306 unsigned char flags; 307 }; 308 static void sbp_post_explore __P((void *)); 309 static void sbp_recv __P((struct fw_xfer *)); 310 static void sbp_mgm_callback __P((struct fw_xfer *)); 311 static void sbp_cmd_callback __P((struct fw_xfer *)); 312 static void sbp_orb_pointer __P((struct sbp_dev *, struct sbp_ocb *)); 313 static void sbp_execute_ocb __P((void *, bus_dma_segment_t *, int, int)); 314 static void sbp_free_ocb __P((struct sbp_dev *, struct sbp_ocb *)); 315 static void sbp_abort_ocb __P((struct sbp_ocb *, int)); 316 static void sbp_abort_all_ocbs __P((struct sbp_dev *, int)); 317 static struct fw_xfer * sbp_write_cmd __P((struct sbp_dev *, int, int)); 318 static struct sbp_ocb * sbp_get_ocb __P((struct sbp_dev *)); 319 static struct sbp_ocb * sbp_enqueue_ocb __P((struct sbp_dev *, struct sbp_ocb *)); 320 static struct sbp_ocb * sbp_dequeue_ocb __P((struct sbp_dev *, struct sbp_status *)); 321 static void sbp_cam_detach_target __P((struct sbp_target *)); 322 static void sbp_mgm_timeout __P((void *arg)); 323 static void sbp_timeout __P((void *arg)); 324 static void sbp_mgm_orb __P((struct sbp_dev *, int, struct sbp_ocb *)); 325 #define sbp_login(sdev) \ 326 callout_reset(&(sdev)->login_callout, LOGIN_DELAY * hz, \ 327 sbp_login_callout, (void *)(sdev)); 328 329 MALLOC_DEFINE(M_SBP, "sbp", "SBP-II/FireWire"); 330 331 /* cam related functions */ 332 static void sbp_action(struct cam_sim *sim, union ccb *ccb); 333 static void sbp_poll(struct cam_sim *sim); 334 static void sbp_cam_scan_lun(struct cam_periph *, union ccb *); 335 static void sbp_cam_scan_target(void *arg); 336 337 static char *orb_status0[] = { 338 /* 0 */ "No additional information to report", 339 /* 1 */ "Request type not supported", 340 /* 2 */ "Speed not supported", 341 /* 3 */ "Page size not supported", 342 /* 4 */ "Access denied", 343 /* 5 */ "Logical unit not supported", 344 /* 6 */ "Maximum payload too small", 345 /* 7 */ "Reserved for future standardization", 346 /* 8 */ "Resources unavailable", 347 /* 9 */ "Function rejected", 348 /* A */ "Login ID not recognized", 349 /* B */ "Dummy ORB completed", 350 /* C */ "Request aborted", 351 /* FF */ "Unspecified error" 352 #define MAX_ORB_STATUS0 0xd 353 }; 354 355 static char *orb_status1_object[] = { 356 /* 0 */ "Operation request block (ORB)", 357 /* 1 */ "Data buffer", 358 /* 2 */ "Page table", 359 /* 3 */ "Unable to specify" 360 }; 361 362 static char *orb_status1_serial_bus_error[] = { 363 /* 0 */ "Missing acknowledge", 364 /* 1 */ "Reserved; not to be used", 365 /* 2 */ "Time-out error", 366 /* 3 */ "Reserved; not to be used", 367 /* 4 */ "Busy retry limit exceeded(X)", 368 /* 5 */ "Busy retry limit exceeded(A)", 369 /* 6 */ "Busy retry limit exceeded(B)", 370 /* 7 */ "Reserved for future standardization", 371 /* 8 */ "Reserved for future standardization", 372 /* 9 */ "Reserved for future standardization", 373 /* A */ "Reserved for future standardization", 374 /* B */ "Tardy retry limit exceeded", 375 /* C */ "Conflict error", 376 /* D */ "Data error", 377 /* E */ "Type error", 378 /* F */ "Address error" 379 }; 380 381 static void 382 sbp_identify(driver_t *driver, device_t parent) 383 { 384 device_t child; 385 SBP_DEBUG(0) 386 printf("sbp_identify\n"); 387 END_DEBUG 388 389 child = BUS_ADD_CHILD(parent, 0, "sbp", device_get_unit(parent)); 390 } 391 392 /* 393 * sbp_probe() 394 */ 395 static int 396 sbp_probe(device_t dev) 397 { 398 device_t pa; 399 400 SBP_DEBUG(0) 401 printf("sbp_probe\n"); 402 END_DEBUG 403 404 pa = device_get_parent(dev); 405 if(device_get_unit(dev) != device_get_unit(pa)){ 406 return(ENXIO); 407 } 408 409 device_set_desc(dev, "SBP2/SCSI over firewire"); 410 411 if (bootverbose) 412 debug = bootverbose; 413 return (0); 414 } 415 416 static void 417 sbp_show_sdev_info(struct sbp_dev *sdev, int new) 418 { 419 struct fw_device *fwdev; 420 421 printf("%s:%d:%d ", 422 device_get_nameunit(sdev->target->sbp->fd.dev), 423 sdev->target->target_id, 424 sdev->lun_id 425 ); 426 if (new == 2) { 427 return; 428 } 429 fwdev = sdev->target->fwdev; 430 printf("ordered:%d type:%d EUI:%08x%08x node:%d " 431 "speed:%d maxrec:%d", 432 (sdev->type & 0x40) >> 6, 433 (sdev->type & 0x1f), 434 fwdev->eui.hi, 435 fwdev->eui.lo, 436 fwdev->dst, 437 fwdev->speed, 438 fwdev->maxrec 439 ); 440 if (new) 441 printf(" new!\n"); 442 else 443 printf("\n"); 444 sbp_show_sdev_info(sdev, 2); 445 printf("'%s' '%s' '%s'\n", sdev->vendor, sdev->product, sdev->revision); 446 } 447 448 static struct { 449 int bus; 450 int target; 451 struct fw_eui64 eui; 452 } wired[] = { 453 /* Bus Target EUI64 */ 454 #if 0 455 {0, 2, {0x00018ea0, 0x01fd0154}}, /* Logitec HDD */ 456 {0, 0, {0x00018ea6, 0x00100682}}, /* Logitec DVD */ 457 {0, 1, {0x00d03200, 0xa412006a}}, /* Yano HDD */ 458 #endif 459 {-1, -1, {0,0}} 460 }; 461 462 static int 463 sbp_new_target(struct sbp_softc *sbp, struct fw_device *fwdev) 464 { 465 int bus, i, target=-1; 466 char w[SBP_NUM_TARGETS]; 467 468 bzero(w, sizeof(w)); 469 bus = device_get_unit(sbp->fd.dev); 470 471 /* XXX wired-down configuration should be gotten from 472 tunable or device hint */ 473 for (i = 0; wired[i].bus >= 0; i ++) { 474 if (wired[i].bus == bus) { 475 w[wired[i].target] = 1; 476 if (wired[i].eui.hi == fwdev->eui.hi && 477 wired[i].eui.lo == fwdev->eui.lo) 478 target = wired[i].target; 479 } 480 } 481 if (target >= 0) { 482 if(target < SBP_NUM_TARGETS && 483 sbp->targets[target].fwdev == NULL) 484 return(target); 485 device_printf(sbp->fd.dev, 486 "target %d is not free for %08x:%08x\n", 487 target, fwdev->eui.hi, fwdev->eui.lo); 488 target = -1; 489 } 490 /* non-wired target */ 491 for (i = 0; i < SBP_NUM_TARGETS; i ++) 492 if (sbp->targets[i].fwdev == NULL && w[i] == 0) { 493 target = i; 494 break; 495 } 496 497 return target; 498 } 499 500 static struct sbp_target * 501 sbp_alloc_target(struct sbp_softc *sbp, struct fw_device *fwdev) 502 { 503 int i, maxlun, lun; 504 struct sbp_target *target; 505 struct sbp_dev *sdev; 506 struct crom_context cc; 507 struct csrreg *reg; 508 509 SBP_DEBUG(1) 510 printf("sbp_alloc_target\n"); 511 END_DEBUG 512 i = sbp_new_target(sbp, fwdev); 513 if (i < 0) { 514 device_printf(sbp->fd.dev, "increase SBP_NUM_TARGETS!\n"); 515 return NULL; 516 } 517 /* new target */ 518 target = &sbp->targets[i]; 519 target->sbp = sbp; 520 target->fwdev = fwdev; 521 target->target_id = i; 522 /* XXX we may want to reload mgm port after each bus reset */ 523 /* XXX there might be multiple management agents */ 524 crom_init_context(&cc, target->fwdev->csrrom); 525 reg = crom_search_key(&cc, CROM_MGM); 526 if (reg == NULL || reg->val == 0) { 527 printf("NULL management address\n"); 528 target->fwdev = NULL; 529 return NULL; 530 } 531 target->mgm_hi = 0xffff; 532 target->mgm_lo = 0xf0000000 | (reg->val << 2); 533 target->mgm_ocb_cur = NULL; 534 SBP_DEBUG(1) 535 printf("target:%d mgm_port: %x\n", i, target->mgm_lo); 536 END_DEBUG 537 STAILQ_INIT(&target->xferlist); 538 target->n_xfer = 0; 539 STAILQ_INIT(&target->mgm_ocb_queue); 540 CALLOUT_INIT(&target->mgm_ocb_timeout); 541 CALLOUT_INIT(&target->scan_callout); 542 543 /* XXX num_lun may be changed. realloc luns? */ 544 crom_init_context(&cc, target->fwdev->csrrom); 545 /* XXX shoud parse appropriate unit directories only */ 546 maxlun = -1; 547 while (cc.depth >= 0) { 548 reg = crom_search_key(&cc, CROM_LUN); 549 if (reg == NULL) 550 break; 551 lun = reg->val & 0xffff; 552 SBP_DEBUG(0) 553 printf("target %d lun %d found\n", target->target_id, lun); 554 END_DEBUG 555 if (maxlun < lun) 556 maxlun = lun; 557 crom_next(&cc); 558 } 559 if (maxlun < 0) 560 printf("no lun found!\n"); 561 if (maxlun >= SBP_NUM_LUNS) 562 maxlun = SBP_NUM_LUNS; 563 target->num_lun = maxlun + 1; 564 target->luns = (struct sbp_dev *) malloc( 565 sizeof(struct sbp_dev) * target->num_lun, 566 M_SBP, M_NOWAIT | M_ZERO); 567 for (i = 0; i < target->num_lun; i++) { 568 sdev = &target->luns[i]; 569 sdev->lun_id = i; 570 sdev->target = target; 571 STAILQ_INIT(&sdev->ocbs); 572 CALLOUT_INIT(&sdev->login_callout); 573 sdev->status = SBP_DEV_DEAD; 574 } 575 crom_init_context(&cc, target->fwdev->csrrom); 576 while (cc.depth >= 0) { 577 reg = crom_search_key(&cc, CROM_LUN); 578 if (reg == NULL) 579 break; 580 lun = reg->val & 0xffff; 581 if (lun >= SBP_NUM_LUNS) { 582 printf("too large lun %d\n", lun); 583 continue; 584 } 585 sdev = &target->luns[lun]; 586 sdev->status = SBP_DEV_RESET; 587 sdev->type = (reg->val & 0xff0000) >> 16; 588 589 fwdma_malloc(sbp->fd.fc, 590 /* alignment */ sizeof(u_int32_t), 591 SBP_DMA_SIZE, &sdev->dma, BUS_DMA_NOWAIT); 592 if (sdev->dma.v_addr == NULL) { 593 printf("%s: dma space allocation failed\n", 594 __FUNCTION__); 595 return (NULL); 596 } 597 sdev->login = (struct sbp_login_res *) sdev->dma.v_addr; 598 sdev->ocb = (struct sbp_ocb *) 599 ((char *)sdev->dma.v_addr + SBP_LOGIN_SIZE); 600 bzero((char *)sdev->ocb, 601 sizeof (struct sbp_ocb) * SBP_QUEUE_LEN); 602 603 STAILQ_INIT(&sdev->free_ocbs); 604 for (i = 0; i < SBP_QUEUE_LEN; i++) { 605 struct sbp_ocb *ocb; 606 ocb = &sdev->ocb[i]; 607 ocb->bus_addr = sdev->dma.bus_addr 608 + SBP_LOGIN_SIZE 609 + sizeof(struct sbp_ocb) * i 610 + offsetof(struct sbp_ocb, orb[0]); 611 if (bus_dmamap_create(sbp->dmat, 0, &ocb->dmamap)) { 612 printf("sbp_attach: cannot create dmamap\n"); 613 return (NULL); 614 } 615 sbp_free_ocb(sdev, ocb); 616 } 617 crom_next(&cc); 618 } 619 return target; 620 } 621 622 static void 623 sbp_probe_lun(struct sbp_dev *sdev) 624 { 625 struct fw_device *fwdev; 626 struct crom_context c, *cc = &c; 627 struct csrreg *reg; 628 629 bzero(sdev->vendor, sizeof(sdev->vendor)); 630 bzero(sdev->product, sizeof(sdev->product)); 631 632 fwdev = sdev->target->fwdev; 633 crom_init_context(cc, fwdev->csrrom); 634 /* get vendor string */ 635 crom_search_key(cc, CSRKEY_VENDOR); 636 crom_next(cc); 637 crom_parse_text(cc, sdev->vendor, sizeof(sdev->vendor)); 638 /* skip to the unit directory for SBP-2 */ 639 while ((reg = crom_search_key(cc, CSRKEY_VER)) != NULL) { 640 if (reg->val == CSRVAL_T10SBP2) 641 break; 642 crom_next(cc); 643 } 644 /* get firmware revision */ 645 reg = crom_search_key(cc, CSRKEY_FIRM_VER); 646 if (reg != NULL) 647 snprintf(sdev->revision, sizeof(sdev->revision), 648 "%06x", reg->val); 649 /* get product string */ 650 crom_search_key(cc, CSRKEY_MODEL); 651 crom_next(cc); 652 crom_parse_text(cc, sdev->product, sizeof(sdev->product)); 653 } 654 655 static void 656 sbp_login_callout(void *arg) 657 { 658 struct sbp_dev *sdev = (struct sbp_dev *)arg; 659 sbp_mgm_orb(sdev, ORB_FUN_LGI, NULL); 660 } 661 662 #define SBP_FWDEV_ALIVE(fwdev) (((fwdev)->status == FWDEVATTACHED) \ 663 && crom_has_specver((fwdev)->csrrom, CSRVAL_ANSIT10, CSRVAL_T10SBP2)) 664 665 static void 666 sbp_probe_target(void *arg) 667 { 668 struct sbp_target *target = (struct sbp_target *)arg; 669 struct sbp_softc *sbp; 670 struct sbp_dev *sdev; 671 struct firewire_comm *fc; 672 int i, alive; 673 674 alive = SBP_FWDEV_ALIVE(target->fwdev); 675 SBP_DEBUG(1) 676 printf("sbp_probe_target %d\n", target->target_id); 677 if (!alive) 678 printf("not alive\n"); 679 END_DEBUG 680 681 sbp = target->sbp; 682 fc = target->sbp->fd.fc; 683 /* XXX untimeout mgm_ocb and dequeue */ 684 for (i=0; i < target->num_lun; i++) { 685 sdev = &target->luns[i]; 686 if (alive && (sdev->status != SBP_DEV_DEAD)) { 687 if (sdev->path != NULL) { 688 xpt_freeze_devq(sdev->path, 1); 689 sdev->freeze ++; 690 } 691 sbp_probe_lun(sdev); 692 SBP_DEBUG(0) 693 sbp_show_sdev_info(sdev, 694 (sdev->status == SBP_DEV_RESET)); 695 END_DEBUG 696 697 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET); 698 switch (sdev->status) { 699 case SBP_DEV_RESET: 700 /* new or revived target */ 701 if (auto_login) 702 sbp_login(sdev); 703 break; 704 case SBP_DEV_TOATTACH: 705 case SBP_DEV_PROBE: 706 case SBP_DEV_ATTACHED: 707 case SBP_DEV_RETRY: 708 default: 709 sbp_mgm_orb(sdev, ORB_FUN_RCN, NULL); 710 break; 711 } 712 } else { 713 switch (sdev->status) { 714 case SBP_DEV_ATTACHED: 715 SBP_DEBUG(0) 716 /* the device has gone */ 717 sbp_show_sdev_info(sdev, 2); 718 printf("lost target\n"); 719 END_DEBUG 720 if (sdev->path) { 721 xpt_freeze_devq(sdev->path, 1); 722 sdev->freeze ++; 723 } 724 sdev->status = SBP_DEV_RETRY; 725 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET); 726 break; 727 case SBP_DEV_PROBE: 728 case SBP_DEV_TOATTACH: 729 sdev->status = SBP_DEV_RESET; 730 break; 731 case SBP_DEV_RETRY: 732 case SBP_DEV_RESET: 733 case SBP_DEV_DEAD: 734 break; 735 } 736 } 737 } 738 } 739 740 static void 741 sbp_post_busreset(void *arg) 742 { 743 struct sbp_softc *sbp; 744 745 sbp = (struct sbp_softc *)arg; 746 SBP_DEBUG(0) 747 printf("sbp_post_busreset\n"); 748 END_DEBUG 749 } 750 751 static void 752 sbp_post_explore(void *arg) 753 { 754 struct sbp_softc *sbp = (struct sbp_softc *)arg; 755 struct sbp_target *target; 756 struct fw_device *fwdev; 757 int i, alive; 758 759 SBP_DEBUG(0) 760 printf("sbp_post_explore (sbp_cold=%d)\n", sbp_cold); 761 END_DEBUG 762 #if 0 /* 763 * XXX don't let CAM the bus rest. CAM tries to do something with 764 * freezed (DEV_RETRY) devices 765 */ 766 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL); 767 #endif 768 if (sbp_cold > 0) 769 sbp_cold --; 770 771 /* Gabage Collection */ 772 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){ 773 target = &sbp->targets[i]; 774 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) 775 if (target->fwdev == NULL || target->fwdev == fwdev) 776 break; 777 if(fwdev == NULL){ 778 /* device has removed in lower driver */ 779 sbp_cam_detach_target(target); 780 if (target->luns != NULL) 781 free(target->luns, M_SBP); 782 target->num_lun = 0;; 783 target->luns = NULL; 784 target->fwdev = NULL; 785 } 786 } 787 /* traverse device list */ 788 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) { 789 SBP_DEBUG(0) 790 printf("sbp_post_explore: EUI:%08x%08x ", 791 fwdev->eui.hi, fwdev->eui.lo); 792 if (fwdev->status != FWDEVATTACHED) 793 printf("not attached, state=%d.\n", fwdev->status); 794 else 795 printf("attached\n"); 796 END_DEBUG 797 alive = SBP_FWDEV_ALIVE(fwdev); 798 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){ 799 target = &sbp->targets[i]; 800 if(target->fwdev == fwdev ) { 801 /* known target */ 802 break; 803 } 804 } 805 if(i == SBP_NUM_TARGETS){ 806 if (alive) { 807 /* new target */ 808 target = sbp_alloc_target(sbp, fwdev); 809 if (target == NULL) 810 continue; 811 } else { 812 continue; 813 } 814 } 815 sbp_probe_target((void *)target); 816 } 817 } 818 819 #if NEED_RESPONSE 820 static void 821 sbp_loginres_callback(struct fw_xfer *xfer){ 822 int s; 823 struct sbp_dev *sdev; 824 sdev = (struct sbp_dev *)xfer->sc; 825 SBP_DEBUG(1) 826 sbp_show_sdev_info(sdev, 2); 827 printf("sbp_loginres_callback\n"); 828 END_DEBUG 829 /* recycle */ 830 s = splfw(); 831 STAILQ_INSERT_TAIL(&sdev->target->sbp->fwb.xferlist, xfer, link); 832 splx(s); 833 return; 834 } 835 #endif 836 837 static __inline void 838 sbp_xfer_free(struct fw_xfer *xfer) 839 { 840 struct sbp_dev *sdev; 841 int s; 842 843 sdev = (struct sbp_dev *)xfer->sc; 844 fw_xfer_unload(xfer); 845 s = splfw(); 846 STAILQ_INSERT_TAIL(&sdev->target->xferlist, xfer, link); 847 splx(s); 848 } 849 850 static void 851 sbp_reset_start_callback(struct fw_xfer *xfer) 852 { 853 struct sbp_dev *tsdev, *sdev = (struct sbp_dev *)xfer->sc; 854 struct sbp_target *target = sdev->target; 855 int i; 856 857 if (xfer->resp != 0) { 858 sbp_show_sdev_info(sdev, 2); 859 printf("sbp_reset_start failed: resp=%d\n", xfer->resp); 860 } 861 862 for (i = 0; i < target->num_lun; i++) { 863 tsdev = &target->luns[i]; 864 if (tsdev->status == SBP_DEV_LOGIN) 865 sbp_login(sdev); 866 } 867 } 868 869 static void 870 sbp_reset_start(struct sbp_dev *sdev) 871 { 872 struct fw_xfer *xfer; 873 struct fw_pkt *fp; 874 875 SBP_DEBUG(0) 876 sbp_show_sdev_info(sdev, 2); 877 printf("sbp_reset_start\n"); 878 END_DEBUG 879 880 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 881 xfer->act.hand = sbp_reset_start_callback; 882 fp = (struct fw_pkt *)xfer->send.buf; 883 fp->mode.wreqq.dest_hi = 0xffff; 884 fp->mode.wreqq.dest_lo = 0xf0000000 | RESET_START; 885 fp->mode.wreqq.data = htonl(0xf); 886 fw_asyreq(xfer->fc, -1, xfer); 887 } 888 889 static void 890 sbp_mgm_callback(struct fw_xfer *xfer) 891 { 892 struct sbp_dev *sdev; 893 int resp; 894 895 sdev = (struct sbp_dev *)xfer->sc; 896 897 SBP_DEBUG(1) 898 sbp_show_sdev_info(sdev, 2); 899 printf("sbp_mgm_callback\n"); 900 END_DEBUG 901 resp = xfer->resp; 902 sbp_xfer_free(xfer); 903 #if 0 904 if (resp != 0) { 905 sbp_show_sdev_info(sdev, 2); 906 printf("management ORB failed(%d) ... RESET_START\n", resp); 907 sbp_reset_start(sdev); 908 } 909 #endif 910 return; 911 } 912 913 static void 914 sbp_cmd_callback(struct fw_xfer *xfer) 915 { 916 SBP_DEBUG(2) 917 struct sbp_dev *sdev; 918 sdev = (struct sbp_dev *)xfer->sc; 919 sbp_show_sdev_info(sdev, 2); 920 printf("sbp_cmd_callback\n"); 921 END_DEBUG 922 sbp_xfer_free(xfer); 923 return; 924 } 925 926 static struct sbp_dev * 927 sbp_next_dev(struct sbp_target *target, int lun) 928 { 929 struct sbp_dev *sdev; 930 int i; 931 932 for (i = lun, sdev = &target->luns[lun]; 933 i < target->num_lun; i++, sdev++) { 934 if (sdev->status == SBP_DEV_PROBE) 935 break; 936 } 937 if (i >= target->num_lun) 938 return(NULL); 939 return(sdev); 940 } 941 942 #define SCAN_PRI 1 943 static void 944 sbp_cam_scan_lun(struct cam_periph *periph, union ccb *ccb) 945 { 946 struct sbp_target *target; 947 struct sbp_dev *sdev; 948 949 sdev = (struct sbp_dev *) ccb->ccb_h.ccb_sdev_ptr; 950 target = sdev->target; 951 SBP_DEBUG(0) 952 sbp_show_sdev_info(sdev, 2); 953 printf("sbp_cam_scan_lun\n"); 954 END_DEBUG 955 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 956 sdev->status = SBP_DEV_ATTACHED; 957 } else { 958 sbp_show_sdev_info(sdev, 2); 959 printf("scan failed\n"); 960 } 961 sdev = sbp_next_dev(target, sdev->lun_id + 1); 962 if (sdev == NULL) { 963 free(ccb, M_SBP); 964 return; 965 } 966 /* reuse ccb */ 967 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI); 968 ccb->ccb_h.ccb_sdev_ptr = sdev; 969 xpt_action(ccb); 970 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 971 sdev->freeze = 1; 972 } 973 974 static void 975 sbp_cam_scan_target(void *arg) 976 { 977 struct sbp_target *target = (struct sbp_target *)arg; 978 struct sbp_dev *sdev; 979 union ccb *ccb; 980 981 sdev = sbp_next_dev(target, 0); 982 if (sdev == NULL) { 983 printf("sbp_cam_scan_target: nothing to do for target%d\n", 984 target->target_id); 985 return; 986 } 987 SBP_DEBUG(0) 988 sbp_show_sdev_info(sdev, 2); 989 printf("sbp_cam_scan_target\n"); 990 END_DEBUG 991 ccb = malloc(sizeof(union ccb), M_SBP, M_NOWAIT | M_ZERO); 992 if (ccb == NULL) { 993 printf("sbp_cam_scan_target: malloc failed\n"); 994 return; 995 } 996 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI); 997 ccb->ccb_h.func_code = XPT_SCAN_LUN; 998 ccb->ccb_h.cbfcnp = sbp_cam_scan_lun; 999 ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 1000 ccb->crcn.flags = CAM_FLAG_NONE; 1001 ccb->ccb_h.ccb_sdev_ptr = sdev; 1002 1003 /* The scan is in progress now. */ 1004 xpt_action(ccb); 1005 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 1006 sdev->freeze = 1; 1007 } 1008 1009 static __inline void 1010 sbp_scan_dev(struct sbp_dev *sdev) 1011 { 1012 sdev->status = SBP_DEV_PROBE; 1013 callout_reset(&sdev->target->scan_callout, SCAN_DELAY * hz, 1014 sbp_cam_scan_target, (void *)sdev->target); 1015 } 1016 1017 static void 1018 sbp_do_attach(struct fw_xfer *xfer) 1019 { 1020 struct sbp_dev *sdev; 1021 struct sbp_target *target; 1022 struct sbp_softc *sbp; 1023 1024 sdev = (struct sbp_dev *)xfer->sc; 1025 target = sdev->target; 1026 sbp = target->sbp; 1027 SBP_DEBUG(0) 1028 sbp_show_sdev_info(sdev, 2); 1029 printf("sbp_do_attach\n"); 1030 END_DEBUG 1031 sbp_xfer_free(xfer); 1032 1033 if (sdev->path == NULL) 1034 xpt_create_path(&sdev->path, xpt_periph, 1035 cam_sim_path(target->sbp->sim), 1036 target->target_id, sdev->lun_id); 1037 1038 /* 1039 * Let CAM scan the bus if we are in the boot process. 1040 * XXX xpt_scan_bus cannot detect LUN larger than 0 1041 * if LUN 0 doesn't exists. 1042 */ 1043 if (sbp_cold > 0) { 1044 sdev->status = SBP_DEV_ATTACHED; 1045 return; 1046 } 1047 1048 sbp_scan_dev(sdev); 1049 return; 1050 } 1051 1052 static void 1053 sbp_agent_reset_callback(struct fw_xfer *xfer) 1054 { 1055 struct sbp_dev *sdev; 1056 1057 sdev = (struct sbp_dev *)xfer->sc; 1058 SBP_DEBUG(1) 1059 sbp_show_sdev_info(sdev, 2); 1060 printf("sbp_cmd_callback\n"); 1061 END_DEBUG 1062 if (xfer->resp != 0) { 1063 sbp_show_sdev_info(sdev, 2); 1064 printf("sbp_cmd_callback resp=%d\n", xfer->resp); 1065 } 1066 1067 sbp_xfer_free(xfer); 1068 if (sdev->path) { 1069 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 1070 sdev->freeze = 0; 1071 } 1072 } 1073 1074 static void 1075 sbp_agent_reset(struct sbp_dev *sdev) 1076 { 1077 struct fw_xfer *xfer; 1078 struct fw_pkt *fp; 1079 1080 SBP_DEBUG(0) 1081 sbp_show_sdev_info(sdev, 2); 1082 printf("sbp_agent_reset\n"); 1083 END_DEBUG 1084 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x04); 1085 if (xfer == NULL) 1086 return; 1087 if (sdev->status == SBP_DEV_ATTACHED || sdev->status == SBP_DEV_PROBE) 1088 xfer->act.hand = sbp_agent_reset_callback; 1089 else 1090 xfer->act.hand = sbp_do_attach; 1091 fp = (struct fw_pkt *)xfer->send.buf; 1092 fp->mode.wreqq.data = htonl(0xf); 1093 fw_asyreq(xfer->fc, -1, xfer); 1094 sbp_abort_all_ocbs(sdev, CAM_BDR_SENT); 1095 } 1096 1097 static void 1098 sbp_busy_timeout_callback(struct fw_xfer *xfer) 1099 { 1100 struct sbp_dev *sdev; 1101 1102 sdev = (struct sbp_dev *)xfer->sc; 1103 SBP_DEBUG(1) 1104 sbp_show_sdev_info(sdev, 2); 1105 printf("sbp_busy_timeout_callback\n"); 1106 END_DEBUG 1107 sbp_xfer_free(xfer); 1108 sbp_agent_reset(sdev); 1109 } 1110 1111 static void 1112 sbp_busy_timeout(struct sbp_dev *sdev) 1113 { 1114 struct fw_pkt *fp; 1115 struct fw_xfer *xfer; 1116 SBP_DEBUG(0) 1117 sbp_show_sdev_info(sdev, 2); 1118 printf("sbp_busy_timeout\n"); 1119 END_DEBUG 1120 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 1121 1122 xfer->act.hand = sbp_busy_timeout_callback; 1123 fp = (struct fw_pkt *)xfer->send.buf; 1124 fp->mode.wreqq.dest_hi = 0xffff; 1125 fp->mode.wreqq.dest_lo = 0xf0000000 | BUSY_TIMEOUT; 1126 fp->mode.wreqq.data = htonl((1 << (13+12)) | 0xf); 1127 fw_asyreq(xfer->fc, -1, xfer); 1128 } 1129 1130 static void 1131 sbp_orb_pointer(struct sbp_dev *sdev, struct sbp_ocb *ocb) 1132 { 1133 struct fw_xfer *xfer; 1134 struct fw_pkt *fp; 1135 SBP_DEBUG(2) 1136 sbp_show_sdev_info(sdev, 2); 1137 printf("sbp_orb_pointer\n"); 1138 END_DEBUG 1139 1140 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0x08); 1141 if (xfer == NULL) 1142 return; 1143 xfer->act.hand = sbp_cmd_callback; 1144 1145 fp = (struct fw_pkt *)xfer->send.buf; 1146 fp->mode.wreqb.len = 8; 1147 fp->mode.wreqb.extcode = 0; 1148 fp->mode.wreqb.payload[0] = 1149 htonl(((sdev->target->sbp->fd.fc->nodeid | FWLOCALBUS )<< 16)); 1150 fp->mode.wreqb.payload[1] = htonl(ocb->bus_addr); 1151 1152 if(fw_asyreq(xfer->fc, -1, xfer) != 0){ 1153 sbp_xfer_free(xfer); 1154 ocb->ccb->ccb_h.status = CAM_REQ_INVALID; 1155 xpt_done(ocb->ccb); 1156 } 1157 } 1158 1159 #if 0 1160 static void 1161 sbp_doorbell(struct sbp_dev *sdev) 1162 { 1163 struct fw_xfer *xfer; 1164 struct fw_pkt *fp; 1165 SBP_DEBUG(1) 1166 sbp_show_sdev_info(sdev, 2); 1167 printf("sbp_doorbell\n"); 1168 END_DEBUG 1169 1170 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x10); 1171 if (xfer == NULL) 1172 return; 1173 xfer->act.hand = sbp_cmd_callback; 1174 fp = (struct fw_pkt *)xfer->send.buf; 1175 fp->mode.wreqq.data = htonl(0xf); 1176 fw_asyreq(xfer->fc, -1, xfer); 1177 } 1178 #endif 1179 1180 static struct fw_xfer * 1181 sbp_write_cmd(struct sbp_dev *sdev, int tcode, int offset) 1182 { 1183 struct fw_xfer *xfer; 1184 struct fw_pkt *fp; 1185 struct sbp_target *target; 1186 int s, new = 0; 1187 1188 target = sdev->target; 1189 s = splfw(); 1190 xfer = STAILQ_FIRST(&target->xferlist); 1191 if (xfer == NULL) { 1192 if (target->n_xfer > 5 /* XXX */) { 1193 printf("sbp: no more xfer for this target\n"); 1194 splx(s); 1195 return(NULL); 1196 } 1197 xfer = fw_xfer_alloc_buf(M_SBP, 24, 12); 1198 if(xfer == NULL){ 1199 printf("sbp: fw_xfer_alloc_buf failed\n"); 1200 splx(s); 1201 return NULL; 1202 } 1203 target->n_xfer ++; 1204 if (debug) 1205 printf("sbp: alloc %d xfer\n", target->n_xfer); 1206 new = 1; 1207 } else { 1208 STAILQ_REMOVE_HEAD(&target->xferlist, link); 1209 } 1210 splx(s); 1211 1212 microtime(&xfer->tv); 1213 1214 if (tcode == FWTCODE_WREQQ) 1215 xfer->send.len = 16; 1216 else 1217 xfer->send.len = 24; 1218 xfer->recv.len = 12; 1219 1220 if (new) { 1221 xfer->spd = min(sdev->target->fwdev->speed, max_speed); 1222 xfer->fc = sdev->target->sbp->fd.fc; 1223 xfer->retry_req = fw_asybusy; 1224 } 1225 xfer->sc = (caddr_t)sdev; 1226 fp = (struct fw_pkt *)xfer->send.buf; 1227 fp->mode.wreqq.dest_hi = sdev->login->cmd_hi; 1228 fp->mode.wreqq.dest_lo = sdev->login->cmd_lo + offset; 1229 fp->mode.wreqq.tlrt = 0; 1230 fp->mode.wreqq.tcode = tcode; 1231 fp->mode.wreqq.pri = 0; 1232 xfer->dst = FWLOCALBUS | sdev->target->fwdev->dst; 1233 fp->mode.wreqq.dst = xfer->dst; 1234 1235 return xfer; 1236 1237 } 1238 1239 static void 1240 sbp_mgm_orb(struct sbp_dev *sdev, int func, struct sbp_ocb *aocb) 1241 { 1242 struct fw_xfer *xfer; 1243 struct fw_pkt *fp; 1244 struct sbp_ocb *ocb; 1245 struct sbp_target *target; 1246 int s, nid; 1247 1248 target = sdev->target; 1249 nid = target->sbp->fd.fc->nodeid | FWLOCALBUS; 1250 1251 s = splfw(); 1252 if (func == ORB_FUN_RUNQUEUE) { 1253 ocb = STAILQ_FIRST(&target->mgm_ocb_queue); 1254 if (target->mgm_ocb_cur != NULL || ocb == NULL) { 1255 splx(s); 1256 return; 1257 } 1258 STAILQ_REMOVE_HEAD(&target->mgm_ocb_queue, ocb); 1259 goto start; 1260 } 1261 if ((ocb = sbp_get_ocb(sdev)) == NULL) { 1262 splx(s); 1263 return; 1264 } 1265 ocb->flags = OCB_ACT_MGM; 1266 ocb->sdev = sdev; 1267 1268 bzero((void *)(uintptr_t)(volatile void *)ocb->orb, sizeof(ocb->orb)); 1269 ocb->orb[6] = htonl((nid << 16) | SBP_BIND_HI); 1270 ocb->orb[7] = htonl(SBP_DEV2ADDR( 1271 device_get_unit(target->sbp->fd.dev), 1272 target->target_id, 1273 sdev->lun_id)); 1274 1275 SBP_DEBUG(0) 1276 sbp_show_sdev_info(sdev, 2); 1277 printf("%s\n", orb_fun_name[(func>>16)&0xf]); 1278 END_DEBUG 1279 switch (func) { 1280 case ORB_FUN_LGI: 1281 ocb->orb[2] = htonl(nid << 16); 1282 ocb->orb[3] = htonl(sdev->dma.bus_addr); 1283 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_EXV | sdev->lun_id); 1284 ocb->orb[5] = htonl(SBP_LOGIN_SIZE); 1285 fwdma_sync(&sdev->dma, BUS_DMASYNC_PREREAD); 1286 break; 1287 case ORB_FUN_ATA: 1288 ocb->orb[0] = htonl((0 << 16) | 0); 1289 ocb->orb[1] = htonl(aocb->bus_addr & 0xffffffff); 1290 /* fall through */ 1291 case ORB_FUN_RCN: 1292 case ORB_FUN_LGO: 1293 case ORB_FUN_LUR: 1294 case ORB_FUN_RST: 1295 case ORB_FUN_ATS: 1296 ocb->orb[4] = htonl(ORB_NOTIFY | func | sdev->login->id); 1297 break; 1298 } 1299 1300 if (target->mgm_ocb_cur != NULL) { 1301 /* there is a standing ORB */ 1302 STAILQ_INSERT_TAIL(&sdev->target->mgm_ocb_queue, ocb, ocb); 1303 splx(s); 1304 return; 1305 } 1306 start: 1307 target->mgm_ocb_cur = ocb; 1308 splx(s); 1309 1310 callout_reset(&target->mgm_ocb_timeout, 5*hz, 1311 sbp_mgm_timeout, (caddr_t)ocb); 1312 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0); 1313 if(xfer == NULL){ 1314 return; 1315 } 1316 xfer->act.hand = sbp_mgm_callback; 1317 1318 fp = (struct fw_pkt *)xfer->send.buf; 1319 fp->mode.wreqb.dest_hi = sdev->target->mgm_hi; 1320 fp->mode.wreqb.dest_lo = sdev->target->mgm_lo; 1321 fp->mode.wreqb.len = 8; 1322 fp->mode.wreqb.extcode = 0; 1323 fp->mode.wreqb.payload[0] = htonl(nid << 16); 1324 fp->mode.wreqb.payload[1] = htonl(ocb->bus_addr); 1325 1326 fw_asyreq(xfer->fc, -1, xfer); 1327 } 1328 1329 static void 1330 sbp_print_scsi_cmd(struct sbp_ocb *ocb) 1331 { 1332 struct ccb_scsiio *csio; 1333 1334 csio = &ocb->ccb->csio; 1335 printf("%s:%d:%d XPT_SCSI_IO: " 1336 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 1337 ", flags: 0x%02x, " 1338 "%db cmd/%db data/%db sense\n", 1339 device_get_nameunit(ocb->sdev->target->sbp->fd.dev), 1340 ocb->ccb->ccb_h.target_id, ocb->ccb->ccb_h.target_lun, 1341 csio->cdb_io.cdb_bytes[0], 1342 csio->cdb_io.cdb_bytes[1], 1343 csio->cdb_io.cdb_bytes[2], 1344 csio->cdb_io.cdb_bytes[3], 1345 csio->cdb_io.cdb_bytes[4], 1346 csio->cdb_io.cdb_bytes[5], 1347 csio->cdb_io.cdb_bytes[6], 1348 csio->cdb_io.cdb_bytes[7], 1349 csio->cdb_io.cdb_bytes[8], 1350 csio->cdb_io.cdb_bytes[9], 1351 ocb->ccb->ccb_h.flags & CAM_DIR_MASK, 1352 csio->cdb_len, csio->dxfer_len, 1353 csio->sense_len); 1354 } 1355 1356 static void 1357 sbp_scsi_status(struct sbp_status *sbp_status, struct sbp_ocb *ocb) 1358 { 1359 struct sbp_cmd_status *sbp_cmd_status; 1360 struct scsi_sense_data *sense; 1361 1362 sbp_cmd_status = (struct sbp_cmd_status *)sbp_status->data; 1363 sense = &ocb->ccb->csio.sense_data; 1364 1365 SBP_DEBUG(0) 1366 sbp_print_scsi_cmd(ocb); 1367 /* XXX need decode status */ 1368 sbp_show_sdev_info(ocb->sdev, 2); 1369 printf("SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d\n", 1370 sbp_cmd_status->status, 1371 sbp_cmd_status->sfmt, 1372 sbp_cmd_status->valid, 1373 sbp_cmd_status->s_key, 1374 sbp_cmd_status->s_code, 1375 sbp_cmd_status->s_qlfr, 1376 sbp_status->len 1377 ); 1378 END_DEBUG 1379 1380 switch (sbp_cmd_status->status) { 1381 case SCSI_STATUS_CHECK_COND: 1382 case SCSI_STATUS_BUSY: 1383 case SCSI_STATUS_CMD_TERMINATED: 1384 if(sbp_cmd_status->sfmt == SBP_SFMT_CURR){ 1385 sense->error_code = SSD_CURRENT_ERROR; 1386 }else{ 1387 sense->error_code = SSD_DEFERRED_ERROR; 1388 } 1389 if(sbp_cmd_status->valid) 1390 sense->error_code |= SSD_ERRCODE_VALID; 1391 sense->flags = sbp_cmd_status->s_key; 1392 if(sbp_cmd_status->mark) 1393 sense->flags |= SSD_FILEMARK; 1394 if(sbp_cmd_status->eom) 1395 sense->flags |= SSD_EOM; 1396 if(sbp_cmd_status->ill_len) 1397 sense->flags |= SSD_ILI; 1398 1399 bcopy(&sbp_cmd_status->info, &sense->info[0], 4); 1400 1401 if (sbp_status->len <= 1) 1402 /* XXX not scsi status. shouldn't be happened */ 1403 sense->extra_len = 0; 1404 else if (sbp_status->len <= 4) 1405 /* add_sense_code(_qual), info, cmd_spec_info */ 1406 sense->extra_len = 6; 1407 else 1408 /* fru, sense_key_spec */ 1409 sense->extra_len = 10; 1410 1411 bcopy(&sbp_cmd_status->cdb, &sense->cmd_spec_info[0], 4); 1412 1413 sense->add_sense_code = sbp_cmd_status->s_code; 1414 sense->add_sense_code_qual = sbp_cmd_status->s_qlfr; 1415 sense->fru = sbp_cmd_status->fru; 1416 1417 bcopy(&sbp_cmd_status->s_keydep[0], 1418 &sense->sense_key_spec[0], 3); 1419 1420 ocb->ccb->csio.scsi_status = sbp_cmd_status->status;; 1421 ocb->ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR 1422 | CAM_AUTOSNS_VALID; 1423 /* 1424 { 1425 u_int8_t j, *tmp; 1426 tmp = sense; 1427 for( j = 0 ; j < 32 ; j+=8){ 1428 printf("sense %02x%02x %02x%02x %02x%02x %02x%02x\n", 1429 tmp[j], tmp[j+1], tmp[j+2], tmp[j+3], 1430 tmp[j+4], tmp[j+5], tmp[j+6], tmp[j+7]); 1431 } 1432 1433 } 1434 */ 1435 break; 1436 default: 1437 sbp_show_sdev_info(ocb->sdev, 2); 1438 printf("sbp_scsi_status: unknown scsi status 0x%x\n", 1439 sbp_cmd_status->status); 1440 } 1441 } 1442 1443 static void 1444 sbp_fix_inq_data(struct sbp_ocb *ocb) 1445 { 1446 union ccb *ccb; 1447 struct sbp_dev *sdev; 1448 struct scsi_inquiry_data *inq; 1449 1450 ccb = ocb->ccb; 1451 sdev = ocb->sdev; 1452 1453 if (ccb->csio.cdb_io.cdb_bytes[1] & SI_EVPD) 1454 return; 1455 SBP_DEBUG(1) 1456 sbp_show_sdev_info(sdev, 2); 1457 printf("sbp_fix_inq_data\n"); 1458 END_DEBUG 1459 inq = (struct scsi_inquiry_data *) ccb->csio.data_ptr; 1460 switch (SID_TYPE(inq)) { 1461 case T_DIRECT: 1462 #if 0 1463 /* 1464 * XXX Convert Direct Access device to RBC. 1465 * I've never seen FireWire DA devices which support READ_6. 1466 */ 1467 if (SID_TYPE(inq) == T_DIRECT) 1468 inq->device |= T_RBC; /* T_DIRECT == 0 */ 1469 #endif 1470 /* fall through */ 1471 case T_RBC: 1472 /* enable tagged queuing */ 1473 #if 1 1474 inq->flags |= SID_CmdQue; 1475 #endif 1476 /* 1477 * Override vendor/product/revision information. 1478 * Some devices sometimes return strange strings. 1479 */ 1480 #if 1 1481 bcopy(sdev->vendor, inq->vendor, sizeof(inq->vendor)); 1482 bcopy(sdev->product, inq->product, sizeof(inq->product)); 1483 bcopy(sdev->revision+2, inq->revision, sizeof(inq->revision)); 1484 #endif 1485 break; 1486 } 1487 } 1488 1489 static void 1490 sbp_recv1(struct fw_xfer *xfer) 1491 { 1492 struct fw_pkt *rfp; 1493 #if NEED_RESPONSE 1494 struct fw_pkt *sfp; 1495 #endif 1496 struct sbp_softc *sbp; 1497 struct sbp_dev *sdev; 1498 struct sbp_ocb *ocb; 1499 struct sbp_login_res *login_res = NULL; 1500 struct sbp_status *sbp_status; 1501 struct sbp_target *target; 1502 int orb_fun, status_valid0, status_valid, t, l, reset_agent = 0; 1503 u_int32_t addr; 1504 /* 1505 u_int32_t *ld; 1506 ld = xfer->recv.buf; 1507 printf("sbp %x %d %d %08x %08x %08x %08x\n", 1508 xfer->resp, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3])); 1509 printf("sbp %08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 1510 printf("sbp %08x %08x %08x %08x\n", ntohl(ld[8]), ntohl(ld[9]), ntohl(ld[10]), ntohl(ld[11])); 1511 */ 1512 1513 sbp = (struct sbp_softc *)xfer->sc; 1514 if(xfer->resp != 0){ 1515 printf("sbp_recv: xfer->resp != 0\n"); 1516 goto done0; 1517 } 1518 if(xfer->recv.buf == NULL){ 1519 printf("sbp_recv: xfer->recv.buf == NULL\n"); 1520 goto done0; 1521 } 1522 sbp = (struct sbp_softc *)xfer->sc; 1523 rfp = (struct fw_pkt *)xfer->recv.buf; 1524 if(rfp->mode.wreqb.tcode != FWTCODE_WREQB){ 1525 printf("sbp_recv: tcode = %d\n", rfp->mode.wreqb.tcode); 1526 goto done0; 1527 } 1528 sbp_status = (struct sbp_status *)rfp->mode.wreqb.payload; 1529 addr = rfp->mode.wreqb.dest_lo; 1530 SBP_DEBUG(2) 1531 printf("received address 0x%x\n", addr); 1532 END_DEBUG 1533 t = SBP_ADDR2TRG(addr); 1534 if (t >= SBP_NUM_TARGETS) { 1535 device_printf(sbp->fd.dev, 1536 "sbp_recv1: invalid target %d\n", t); 1537 goto done0; 1538 } 1539 target = &sbp->targets[t]; 1540 l = SBP_ADDR2LUN(addr); 1541 if (l >= target->num_lun) { 1542 device_printf(sbp->fd.dev, 1543 "sbp_recv1: invalid lun %d (target=%d)\n", l, t); 1544 goto done0; 1545 } 1546 sdev = &target->luns[l]; 1547 1548 ocb = NULL; 1549 switch (sbp_status->src) { 1550 case 0: 1551 case 1: 1552 /* check mgm_ocb_cur first */ 1553 ocb = target->mgm_ocb_cur; 1554 if (ocb != NULL) { 1555 if (OCB_MATCH(ocb, sbp_status)) { 1556 callout_stop(&target->mgm_ocb_timeout); 1557 target->mgm_ocb_cur = NULL; 1558 break; 1559 } 1560 } 1561 ocb = sbp_dequeue_ocb(sdev, sbp_status); 1562 if (ocb == NULL) { 1563 sbp_show_sdev_info(sdev, 2); 1564 #if __FreeBSD_version >= 500000 1565 printf("No ocb(%x) on the queue\n", 1566 #else 1567 printf("No ocb(%lx) on the queue\n", 1568 #endif 1569 ntohl(sbp_status->orb_lo)); 1570 } 1571 break; 1572 case 2: 1573 /* unsolicit */ 1574 sbp_show_sdev_info(sdev, 2); 1575 printf("unsolicit status received\n"); 1576 break; 1577 default: 1578 sbp_show_sdev_info(sdev, 2); 1579 printf("unknown sbp_status->src\n"); 1580 } 1581 1582 status_valid0 = (sbp_status->src < 2 1583 && sbp_status->resp == ORB_RES_CMPL 1584 && sbp_status->dead == 0); 1585 status_valid = (status_valid0 && sbp_status->status == 0); 1586 1587 if (!status_valid0 || debug > 1){ 1588 int status; 1589 SBP_DEBUG(0) 1590 sbp_show_sdev_info(sdev, 2); 1591 printf("ORB status src:%x resp:%x dead:%x" 1592 #if __FreeBSD_version >= 500000 1593 " len:%x stat:%x orb:%x%08x\n", 1594 #else 1595 " len:%x stat:%x orb:%x%08lx\n", 1596 #endif 1597 sbp_status->src, sbp_status->resp, sbp_status->dead, 1598 sbp_status->len, sbp_status->status, 1599 ntohs(sbp_status->orb_hi), ntohl(sbp_status->orb_lo)); 1600 END_DEBUG 1601 sbp_show_sdev_info(sdev, 2); 1602 status = sbp_status->status; 1603 switch(sbp_status->resp) { 1604 case 0: 1605 if (status > MAX_ORB_STATUS0) 1606 printf("%s\n", orb_status0[MAX_ORB_STATUS0]); 1607 else 1608 printf("%s\n", orb_status0[status]); 1609 break; 1610 case 1: 1611 printf("Obj: %s, Error: %s\n", 1612 orb_status1_object[(status>>6) & 3], 1613 orb_status1_serial_bus_error[status & 0xf]); 1614 break; 1615 case 2: 1616 printf("Illegal request\n"); 1617 break; 1618 case 3: 1619 printf("Vendor dependent\n"); 1620 break; 1621 default: 1622 printf("unknown respose code %d\n", sbp_status->resp); 1623 } 1624 } 1625 1626 /* we have to reset the fetch agent if it's dead */ 1627 if (sbp_status->dead) { 1628 if (sdev->path) { 1629 xpt_freeze_devq(sdev->path, 1); 1630 sdev->freeze ++; 1631 } 1632 reset_agent = 1; 1633 } 1634 1635 if (ocb == NULL) 1636 goto done; 1637 1638 switch(ntohl(ocb->orb[4]) & ORB_FMT_MSK){ 1639 case ORB_FMT_NOP: 1640 break; 1641 case ORB_FMT_VED: 1642 break; 1643 case ORB_FMT_STD: 1644 switch(ocb->flags) { 1645 case OCB_ACT_MGM: 1646 orb_fun = ntohl(ocb->orb[4]) & ORB_FUN_MSK; 1647 switch(orb_fun) { 1648 case ORB_FUN_LGI: 1649 fwdma_sync(&sdev->dma, BUS_DMASYNC_POSTREAD); 1650 login_res = sdev->login; 1651 login_res->len = ntohs(login_res->len); 1652 login_res->id = ntohs(login_res->id); 1653 login_res->cmd_hi = ntohs(login_res->cmd_hi); 1654 login_res->cmd_lo = ntohl(login_res->cmd_lo); 1655 if (status_valid) { 1656 SBP_DEBUG(0) 1657 sbp_show_sdev_info(sdev, 2); 1658 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)); 1659 END_DEBUG 1660 sbp_busy_timeout(sdev); 1661 } else { 1662 /* forgot logout? */ 1663 sbp_show_sdev_info(sdev, 2); 1664 printf("login failed\n"); 1665 sdev->status = SBP_DEV_RESET; 1666 } 1667 break; 1668 case ORB_FUN_RCN: 1669 login_res = sdev->login; 1670 if (status_valid) { 1671 SBP_DEBUG(0) 1672 sbp_show_sdev_info(sdev, 2); 1673 printf("reconnect: len %d, ID %d, cmd %08x%08x\n", login_res->len, login_res->id, login_res->cmd_hi, login_res->cmd_lo); 1674 END_DEBUG 1675 #if 1 1676 if (sdev->status == SBP_DEV_ATTACHED) 1677 sbp_scan_dev(sdev); 1678 else 1679 sbp_agent_reset(sdev); 1680 #else 1681 sdev->status = SBP_DEV_ATTACHED; 1682 sbp_mgm_orb(sdev, ORB_FUN_ATS, NULL); 1683 #endif 1684 } else { 1685 /* reconnection hold time exceed? */ 1686 SBP_DEBUG(0) 1687 sbp_show_sdev_info(sdev, 2); 1688 printf("reconnect failed\n"); 1689 END_DEBUG 1690 sbp_login(sdev); 1691 } 1692 break; 1693 case ORB_FUN_LGO: 1694 sdev->status = SBP_DEV_RESET; 1695 break; 1696 case ORB_FUN_RST: 1697 sbp_busy_timeout(sdev); 1698 break; 1699 case ORB_FUN_LUR: 1700 case ORB_FUN_ATA: 1701 case ORB_FUN_ATS: 1702 sbp_agent_reset(sdev); 1703 break; 1704 default: 1705 sbp_show_sdev_info(sdev, 2); 1706 printf("unknown function %d\n", orb_fun); 1707 break; 1708 } 1709 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 1710 break; 1711 case OCB_ACT_CMD: 1712 sdev->timeout = 0; 1713 if(ocb->ccb != NULL){ 1714 union ccb *ccb; 1715 /* 1716 u_int32_t *ld; 1717 ld = ocb->ccb->csio.data_ptr; 1718 if(ld != NULL && ocb->ccb->csio.dxfer_len != 0) 1719 printf("ptr %08x %08x %08x %08x\n", ld[0], ld[1], ld[2], ld[3]); 1720 else 1721 printf("ptr NULL\n"); 1722 printf("len %d\n", sbp_status->len); 1723 */ 1724 ccb = ocb->ccb; 1725 if(sbp_status->len > 1){ 1726 sbp_scsi_status(sbp_status, ocb); 1727 }else{ 1728 if(sbp_status->resp != ORB_RES_CMPL){ 1729 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1730 }else{ 1731 ccb->ccb_h.status = CAM_REQ_CMP; 1732 } 1733 } 1734 /* fix up inq data */ 1735 if (ccb->csio.cdb_io.cdb_bytes[0] == INQUIRY) 1736 sbp_fix_inq_data(ocb); 1737 xpt_done(ccb); 1738 } 1739 break; 1740 default: 1741 break; 1742 } 1743 } 1744 1745 sbp_free_ocb(sdev, ocb); 1746 done: 1747 if (reset_agent) 1748 sbp_agent_reset(sdev); 1749 1750 done0: 1751 /* The received packet is usually small enough to be stored within 1752 * the buffer. In that case, the controller return ack_complete and 1753 * no respose is necessary. 1754 * 1755 * XXX fwohci.c and firewire.c should inform event_code such as 1756 * ack_complete or ack_pending to upper driver. 1757 */ 1758 #if NEED_RESPONSE 1759 xfer->send.off = 0; 1760 sfp = (struct fw_pkt *)xfer->send.buf; 1761 sfp->mode.wres.dst = rfp->mode.wreqb.src; 1762 xfer->dst = sfp->mode.wres.dst; 1763 xfer->spd = min(sdev->target->fwdev->speed, max_speed); 1764 xfer->act.hand = sbp_loginres_callback; 1765 xfer->retry_req = fw_asybusy; 1766 1767 sfp->mode.wres.tlrt = rfp->mode.wreqb.tlrt; 1768 sfp->mode.wres.tcode = FWTCODE_WRES; 1769 sfp->mode.wres.rtcode = 0; 1770 sfp->mode.wres.pri = 0; 1771 1772 fw_asyreq(xfer->fc, -1, xfer); 1773 #else 1774 /* recycle */ 1775 xfer->recv.len = SBP_RECV_LEN; 1776 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link); 1777 #endif 1778 1779 return; 1780 1781 } 1782 1783 static void 1784 sbp_recv(struct fw_xfer *xfer) 1785 { 1786 int s; 1787 1788 s = splcam(); 1789 sbp_recv1(xfer); 1790 splx(s); 1791 } 1792 /* 1793 * sbp_attach() 1794 */ 1795 static int 1796 sbp_attach(device_t dev) 1797 { 1798 struct sbp_softc *sbp; 1799 struct cam_devq *devq; 1800 struct fw_xfer *xfer; 1801 int i, s, error; 1802 1803 SBP_DEBUG(0) 1804 printf("sbp_attach (cold=%d)\n", cold); 1805 END_DEBUG 1806 1807 if (cold) 1808 sbp_cold ++; 1809 sbp = ((struct sbp_softc *)device_get_softc(dev)); 1810 bzero(sbp, sizeof(struct sbp_softc)); 1811 sbp->fd.dev = dev; 1812 sbp->fd.fc = device_get_ivars(dev); 1813 error = bus_dma_tag_create(/*parent*/sbp->fd.fc->dmat, 1814 /* XXX shoud be 4 for sane backend? */ 1815 /*alignment*/1, 1816 /*boundary*/0, 1817 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, 1818 /*highaddr*/BUS_SPACE_MAXADDR, 1819 /*filter*/NULL, /*filterarg*/NULL, 1820 /*maxsize*/0x100000, /*nsegments*/SBP_IND_MAX, 1821 /*maxsegsz*/SBP_SEG_MAX, 1822 /*flags*/BUS_DMA_ALLOCNOW, 1823 #if __FreeBSD_version >= 501102 1824 /*lockfunc*/busdma_lock_mutex, 1825 /*lockarg*/&Giant, 1826 #endif 1827 &sbp->dmat); 1828 if (error != 0) { 1829 printf("sbp_attach: Could not allocate DMA tag " 1830 "- error %d\n", error); 1831 return (ENOMEM); 1832 } 1833 1834 devq = cam_simq_alloc(/*maxopenings*/SBP_NUM_OCB); 1835 if (devq == NULL) 1836 return (ENXIO); 1837 1838 for( i = 0 ; i < SBP_NUM_TARGETS ; i++){ 1839 sbp->targets[i].fwdev = NULL; 1840 sbp->targets[i].luns = NULL; 1841 } 1842 1843 sbp->sim = cam_sim_alloc(sbp_action, sbp_poll, "sbp", sbp, 1844 device_get_unit(dev), 1845 /*untagged*/ 1, 1846 /*tagged*/ SBP_QUEUE_LEN, 1847 devq); 1848 1849 if (sbp->sim == NULL) { 1850 cam_simq_free(devq); 1851 return (ENXIO); 1852 } 1853 1854 1855 if (xpt_bus_register(sbp->sim, /*bus*/0) != CAM_SUCCESS) 1856 goto fail; 1857 1858 if (xpt_create_path(&sbp->path, xpt_periph, cam_sim_path(sbp->sim), 1859 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) 1860 goto fail; 1861 1862 sbp->fwb.start_hi = SBP_BIND_HI; 1863 sbp->fwb.start_lo = SBP_DEV2ADDR(device_get_unit(sbp->fd.dev), 0, 0); 1864 /* We reserve 16 bit space (4 bytes X 64 targets X 256 luns) */ 1865 sbp->fwb.addrlen = 0xffff; 1866 sbp->fwb.act_type = FWACT_XFER; 1867 /* pre-allocate xfer */ 1868 STAILQ_INIT(&sbp->fwb.xferlist); 1869 for (i = 0; i < SBP_NUM_OCB/2; i ++) { 1870 xfer = fw_xfer_alloc_buf(M_SBP, 1871 #if NEED_RESPONSE 1872 /* send */12, 1873 #else 1874 /* send */0, 1875 #endif 1876 /* recv */SBP_RECV_LEN); 1877 xfer->act.hand = sbp_recv; 1878 #if NEED_RESPONSE 1879 xfer->fc = sbp->fd.fc; 1880 #endif 1881 xfer->sc = (caddr_t)sbp; 1882 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link); 1883 } 1884 fw_bindadd(sbp->fd.fc, &sbp->fwb); 1885 1886 sbp->fd.post_busreset = sbp_post_busreset; 1887 sbp->fd.post_explore = sbp_post_explore; 1888 1889 if (sbp->fd.fc->status != -1) { 1890 s = splfw(); 1891 sbp_post_explore((void *)sbp); 1892 splx(s); 1893 } 1894 1895 return (0); 1896 fail: 1897 cam_sim_free(sbp->sim, /*free_devq*/TRUE); 1898 return (ENXIO); 1899 } 1900 1901 static int 1902 sbp_logout_all(struct sbp_softc *sbp) 1903 { 1904 struct sbp_target *target; 1905 struct sbp_dev *sdev; 1906 int i, j; 1907 1908 SBP_DEBUG(0) 1909 printf("sbp_logout_all\n"); 1910 END_DEBUG 1911 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) { 1912 target = &sbp->targets[i]; 1913 if (target->luns == NULL) 1914 continue; 1915 for (j = 0; j < target->num_lun; j++) { 1916 sdev = &target->luns[j]; 1917 callout_stop(&sdev->login_callout); 1918 if (sdev->status >= SBP_DEV_TOATTACH && 1919 sdev->status <= SBP_DEV_ATTACHED) 1920 sbp_mgm_orb(sdev, ORB_FUN_LGO, NULL); 1921 } 1922 } 1923 1924 return 0; 1925 } 1926 1927 static int 1928 sbp_shutdown(device_t dev) 1929 { 1930 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 1931 1932 sbp_logout_all(sbp); 1933 return (0); 1934 } 1935 1936 static int 1937 sbp_detach(device_t dev) 1938 { 1939 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 1940 struct firewire_comm *fc = sbp->fd.fc; 1941 struct sbp_target *target; 1942 struct sbp_dev *sdev; 1943 struct fw_xfer *xfer, *next; 1944 int i, j; 1945 1946 SBP_DEBUG(0) 1947 printf("sbp_detach\n"); 1948 END_DEBUG 1949 1950 for (i = 0; i < SBP_NUM_TARGETS; i ++) 1951 sbp_cam_detach_target(&sbp->targets[i]); 1952 xpt_free_path(sbp->path); 1953 xpt_bus_deregister(cam_sim_path(sbp->sim)); 1954 1955 sbp_logout_all(sbp); 1956 1957 /* XXX wait for logout completion */ 1958 tsleep(&i, FWPRI, "sbpdtc", hz/2); 1959 1960 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) { 1961 target = &sbp->targets[i]; 1962 if (target->luns == NULL) 1963 continue; 1964 callout_stop(&target->mgm_ocb_timeout); 1965 for (j = 0; j < target->num_lun; j++) { 1966 sdev = &target->luns[j]; 1967 if (sdev->status != SBP_DEV_DEAD) { 1968 for (i = 0; i < SBP_QUEUE_LEN; i++) 1969 bus_dmamap_destroy(sbp->dmat, 1970 sdev->ocb[i].dmamap); 1971 fwdma_free(sbp->fd.fc, &sdev->dma); 1972 } 1973 } 1974 for (xfer = STAILQ_FIRST(&target->xferlist); 1975 xfer != NULL; xfer = next) { 1976 next = STAILQ_NEXT(xfer, link); 1977 fw_xfer_free(xfer); 1978 } 1979 free(target->luns, M_SBP); 1980 } 1981 1982 for (xfer = STAILQ_FIRST(&sbp->fwb.xferlist); 1983 xfer != NULL; xfer = next) { 1984 next = STAILQ_NEXT(xfer, link); 1985 fw_xfer_free(xfer); 1986 } 1987 STAILQ_INIT(&sbp->fwb.xferlist); 1988 fw_bindremove(fc, &sbp->fwb); 1989 1990 bus_dma_tag_destroy(sbp->dmat); 1991 1992 return (0); 1993 } 1994 1995 static void 1996 sbp_cam_detach_target(struct sbp_target *target) 1997 { 1998 struct sbp_dev *sdev; 1999 int i; 2000 2001 if (target->luns != NULL) { 2002 SBP_DEBUG(0) 2003 printf("sbp_detach_target %d\n", target->target_id); 2004 END_DEBUG 2005 callout_stop(&target->scan_callout); 2006 for (i = 0; i < target->num_lun; i++) { 2007 sdev = &target->luns[i]; 2008 if (sdev->status == SBP_DEV_DEAD) 2009 continue; 2010 if (sdev->status == SBP_DEV_RESET) 2011 continue; 2012 if (sdev->path) { 2013 xpt_release_devq(sdev->path, 2014 sdev->freeze, TRUE); 2015 sdev->freeze = 0; 2016 xpt_async(AC_LOST_DEVICE, sdev->path, NULL); 2017 xpt_free_path(sdev->path); 2018 sdev->path = NULL; 2019 } 2020 sbp_abort_all_ocbs(sdev, CAM_DEV_NOT_THERE); 2021 } 2022 } 2023 } 2024 2025 static void 2026 sbp_target_reset(struct sbp_dev *sdev, int method) 2027 { 2028 int i; 2029 struct sbp_target *target = sdev->target; 2030 struct sbp_dev *tsdev; 2031 2032 for (i = 0; i < target->num_lun; i++) { 2033 tsdev = &target->luns[i]; 2034 if (tsdev->status == SBP_DEV_DEAD) 2035 continue; 2036 if (tsdev->status == SBP_DEV_RESET) 2037 continue; 2038 xpt_freeze_devq(tsdev->path, 1); 2039 tsdev->freeze ++; 2040 sbp_abort_all_ocbs(tsdev, CAM_CMD_TIMEOUT); 2041 if (method == 2) 2042 tsdev->status = SBP_DEV_LOGIN; 2043 } 2044 switch(method) { 2045 case 1: 2046 printf("target reset\n"); 2047 sbp_mgm_orb(sdev, ORB_FUN_RST, NULL); 2048 break; 2049 case 2: 2050 printf("reset start\n"); 2051 sbp_reset_start(sdev); 2052 break; 2053 } 2054 2055 } 2056 2057 static void 2058 sbp_mgm_timeout(void *arg) 2059 { 2060 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 2061 struct sbp_dev *sdev = ocb->sdev; 2062 struct sbp_target *target = sdev->target; 2063 2064 sbp_show_sdev_info(sdev, 2); 2065 printf("management ORB timeout\n"); 2066 target->mgm_ocb_cur = NULL; 2067 sbp_free_ocb(sdev, ocb); 2068 #if 0 2069 /* XXX */ 2070 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 2071 #endif 2072 #if 0 2073 sbp_reset_start(sdev); 2074 #endif 2075 } 2076 2077 static void 2078 sbp_timeout(void *arg) 2079 { 2080 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 2081 struct sbp_dev *sdev = ocb->sdev; 2082 2083 sbp_show_sdev_info(sdev, 2); 2084 printf("request timeout ... "); 2085 2086 sdev->timeout ++; 2087 switch(sdev->timeout) { 2088 case 1: 2089 printf("agent reset\n"); 2090 xpt_freeze_devq(sdev->path, 1); 2091 sdev->freeze ++; 2092 sbp_abort_all_ocbs(sdev, CAM_CMD_TIMEOUT); 2093 sbp_agent_reset(sdev); 2094 break; 2095 case 2: 2096 case 3: 2097 sbp_target_reset(sdev, sdev->timeout - 1); 2098 break; 2099 #if 0 2100 default: 2101 /* XXX give up */ 2102 sbp_cam_detach_target(target); 2103 if (target->luns != NULL) 2104 free(target->luns, M_SBP); 2105 target->num_lun = 0;; 2106 target->luns = NULL; 2107 target->fwdev = NULL; 2108 #endif 2109 } 2110 } 2111 2112 static void 2113 sbp_action1(struct cam_sim *sim, union ccb *ccb) 2114 { 2115 2116 struct sbp_softc *sbp = (struct sbp_softc *)sim->softc; 2117 struct sbp_target *target = NULL; 2118 struct sbp_dev *sdev = NULL; 2119 2120 /* target:lun -> sdev mapping */ 2121 if (sbp != NULL 2122 && ccb->ccb_h.target_id != CAM_TARGET_WILDCARD 2123 && ccb->ccb_h.target_id < SBP_NUM_TARGETS) { 2124 target = &sbp->targets[ccb->ccb_h.target_id]; 2125 if (target->fwdev != NULL 2126 && ccb->ccb_h.target_lun != CAM_LUN_WILDCARD 2127 && ccb->ccb_h.target_lun < target->num_lun) { 2128 sdev = &target->luns[ccb->ccb_h.target_lun]; 2129 if (sdev->status != SBP_DEV_ATTACHED && 2130 sdev->status != SBP_DEV_PROBE) 2131 sdev = NULL; 2132 } 2133 } 2134 2135 SBP_DEBUG(1) 2136 if (sdev == NULL) 2137 printf("invalid target %d lun %d\n", 2138 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2139 END_DEBUG 2140 2141 switch (ccb->ccb_h.func_code) { 2142 case XPT_SCSI_IO: 2143 case XPT_RESET_DEV: 2144 case XPT_GET_TRAN_SETTINGS: 2145 case XPT_SET_TRAN_SETTINGS: 2146 case XPT_CALC_GEOMETRY: 2147 if (sdev == NULL) { 2148 SBP_DEBUG(1) 2149 printf("%s:%d:%d:func_code 0x%04x: " 2150 "Invalid target (target needed)\n", 2151 device_get_nameunit(sbp->fd.dev), 2152 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2153 ccb->ccb_h.func_code); 2154 END_DEBUG 2155 2156 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2157 xpt_done(ccb); 2158 return; 2159 } 2160 break; 2161 case XPT_PATH_INQ: 2162 case XPT_NOOP: 2163 /* The opcodes sometimes aimed at a target (sc is valid), 2164 * sometimes aimed at the SIM (sc is invalid and target is 2165 * CAM_TARGET_WILDCARD) 2166 */ 2167 if (sbp == NULL && 2168 ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) { 2169 SBP_DEBUG(0) 2170 printf("%s:%d:%d func_code 0x%04x: " 2171 "Invalid target (no wildcard)\n", 2172 device_get_nameunit(sbp->fd.dev), 2173 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2174 ccb->ccb_h.func_code); 2175 END_DEBUG 2176 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2177 xpt_done(ccb); 2178 return; 2179 } 2180 break; 2181 default: 2182 /* XXX Hm, we should check the input parameters */ 2183 break; 2184 } 2185 2186 switch (ccb->ccb_h.func_code) { 2187 case XPT_SCSI_IO: 2188 { 2189 struct ccb_scsiio *csio; 2190 struct sbp_ocb *ocb; 2191 int speed; 2192 void *cdb; 2193 2194 csio = &ccb->csio; 2195 2196 SBP_DEBUG(1) 2197 printf("%s:%d:%d XPT_SCSI_IO: " 2198 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 2199 ", flags: 0x%02x, " 2200 "%db cmd/%db data/%db sense\n", 2201 device_get_nameunit(sbp->fd.dev), 2202 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2203 csio->cdb_io.cdb_bytes[0], 2204 csio->cdb_io.cdb_bytes[1], 2205 csio->cdb_io.cdb_bytes[2], 2206 csio->cdb_io.cdb_bytes[3], 2207 csio->cdb_io.cdb_bytes[4], 2208 csio->cdb_io.cdb_bytes[5], 2209 csio->cdb_io.cdb_bytes[6], 2210 csio->cdb_io.cdb_bytes[7], 2211 csio->cdb_io.cdb_bytes[8], 2212 csio->cdb_io.cdb_bytes[9], 2213 ccb->ccb_h.flags & CAM_DIR_MASK, 2214 csio->cdb_len, csio->dxfer_len, 2215 csio->sense_len); 2216 END_DEBUG 2217 if(sdev == NULL){ 2218 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2219 xpt_done(ccb); 2220 return; 2221 } 2222 #if 0 2223 /* if we are in probe stage, pass only probe commands */ 2224 if (sdev->status == SBP_DEV_PROBE) { 2225 char *name; 2226 name = xpt_path_periph(ccb->ccb_h.path)->periph_name; 2227 printf("probe stage, periph name: %s\n", name); 2228 if (strcmp(name, "probe") != 0) { 2229 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2230 xpt_done(ccb); 2231 return; 2232 } 2233 } 2234 #endif 2235 if ((ocb = sbp_get_ocb(sdev)) == NULL) 2236 return; 2237 2238 ocb->flags = OCB_ACT_CMD; 2239 ocb->sdev = sdev; 2240 ocb->ccb = ccb; 2241 ccb->ccb_h.ccb_sdev_ptr = sdev; 2242 ocb->orb[0] = htonl(1 << 31); 2243 ocb->orb[1] = 0; 2244 ocb->orb[2] = htonl(((sbp->fd.fc->nodeid | FWLOCALBUS )<< 16) ); 2245 ocb->orb[3] = htonl(ocb->bus_addr + IND_PTR_OFFSET); 2246 speed = min(target->fwdev->speed, max_speed); 2247 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_CMD_SPD(speed) 2248 | ORB_CMD_MAXP(speed + 7)); 2249 if((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN){ 2250 ocb->orb[4] |= htonl(ORB_CMD_IN); 2251 } 2252 2253 if (csio->ccb_h.flags & CAM_SCATTER_VALID) 2254 printf("sbp: CAM_SCATTER_VALID\n"); 2255 if (csio->ccb_h.flags & CAM_DATA_PHYS) 2256 printf("sbp: CAM_DATA_PHYS\n"); 2257 2258 if (csio->ccb_h.flags & CAM_CDB_POINTER) 2259 cdb = (void *)csio->cdb_io.cdb_ptr; 2260 else 2261 cdb = (void *)&csio->cdb_io.cdb_bytes; 2262 bcopy(cdb, 2263 (void *)(uintptr_t)(volatile void *)&ocb->orb[5], 2264 csio->cdb_len); 2265 /* 2266 printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[0]), ntohl(ocb->orb[1]), ntohl(ocb->orb[2]), ntohl(ocb->orb[3])); 2267 printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[4]), ntohl(ocb->orb[5]), ntohl(ocb->orb[6]), ntohl(ocb->orb[7])); 2268 */ 2269 if (ccb->csio.dxfer_len > 0) { 2270 int s, error; 2271 2272 s = splsoftvm(); 2273 error = bus_dmamap_load(/*dma tag*/sbp->dmat, 2274 /*dma map*/ocb->dmamap, 2275 ccb->csio.data_ptr, 2276 ccb->csio.dxfer_len, 2277 sbp_execute_ocb, 2278 ocb, 2279 /*flags*/0); 2280 splx(s); 2281 if (error) 2282 printf("sbp: bus_dmamap_load error %d\n", error); 2283 } else 2284 sbp_execute_ocb(ocb, NULL, 0, 0); 2285 break; 2286 } 2287 case XPT_CALC_GEOMETRY: 2288 { 2289 struct ccb_calc_geometry *ccg; 2290 #if __FreeBSD_version < 501100 2291 u_int32_t size_mb; 2292 u_int32_t secs_per_cylinder; 2293 int extended = 1; 2294 #endif 2295 2296 ccg = &ccb->ccg; 2297 if (ccg->block_size == 0) { 2298 printf("sbp_action1: block_size is 0.\n"); 2299 ccb->ccb_h.status = CAM_REQ_INVALID; 2300 xpt_done(ccb); 2301 break; 2302 } 2303 SBP_DEBUG(1) 2304 printf("%s:%d:%d:%d:XPT_CALC_GEOMETRY: " 2305 #if __FreeBSD_version >= 500000 2306 "Volume size = %jd\n", 2307 #else 2308 "Volume size = %d\n", 2309 #endif 2310 device_get_nameunit(sbp->fd.dev), 2311 cam_sim_path(sbp->sim), 2312 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2313 #if __FreeBSD_version >= 500000 2314 (uintmax_t) 2315 #endif 2316 ccg->volume_size); 2317 END_DEBUG 2318 2319 #if __FreeBSD_version < 501100 2320 size_mb = ccg->volume_size 2321 / ((1024L * 1024L) / ccg->block_size); 2322 2323 if (size_mb > 1024 && extended) { 2324 ccg->heads = 255; 2325 ccg->secs_per_track = 63; 2326 } else { 2327 ccg->heads = 64; 2328 ccg->secs_per_track = 32; 2329 } 2330 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 2331 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 2332 ccb->ccb_h.status = CAM_REQ_CMP; 2333 #else 2334 cam_calc_geometry(ccg, /*extended*/1); 2335 #endif 2336 xpt_done(ccb); 2337 break; 2338 } 2339 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 2340 { 2341 2342 SBP_DEBUG(1) 2343 printf("%s:%d:XPT_RESET_BUS: \n", 2344 device_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim)); 2345 END_DEBUG 2346 2347 ccb->ccb_h.status = CAM_REQ_INVALID; 2348 xpt_done(ccb); 2349 break; 2350 } 2351 case XPT_PATH_INQ: /* Path routing inquiry */ 2352 { 2353 struct ccb_pathinq *cpi = &ccb->cpi; 2354 2355 SBP_DEBUG(1) 2356 printf("%s:%d:%d XPT_PATH_INQ:.\n", 2357 device_get_nameunit(sbp->fd.dev), 2358 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2359 END_DEBUG 2360 cpi->version_num = 1; /* XXX??? */ 2361 cpi->hba_inquiry = PI_TAG_ABLE; 2362 cpi->target_sprt = 0; 2363 cpi->hba_misc = PIM_NOBUSRESET | PIM_NO_6_BYTE; 2364 cpi->hba_eng_cnt = 0; 2365 cpi->max_target = SBP_NUM_TARGETS - 1; 2366 cpi->max_lun = SBP_NUM_LUNS - 1; 2367 cpi->initiator_id = SBP_INITIATOR; 2368 cpi->bus_id = sim->bus_id; 2369 cpi->base_transfer_speed = 400 * 1000 / 8; 2370 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 2371 strncpy(cpi->hba_vid, "SBP", HBA_IDLEN); 2372 strncpy(cpi->dev_name, sim->sim_name, DEV_IDLEN); 2373 cpi->unit_number = sim->unit_number; 2374 2375 cpi->ccb_h.status = CAM_REQ_CMP; 2376 xpt_done(ccb); 2377 break; 2378 } 2379 case XPT_GET_TRAN_SETTINGS: 2380 { 2381 struct ccb_trans_settings *cts = &ccb->cts; 2382 SBP_DEBUG(1) 2383 printf("%s:%d:%d XPT_GET_TRAN_SETTINGS:.\n", 2384 device_get_nameunit(sbp->fd.dev), 2385 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2386 END_DEBUG 2387 /* Enable disconnect and tagged queuing */ 2388 cts->valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID; 2389 cts->flags = CCB_TRANS_DISC_ENB | CCB_TRANS_TAG_ENB; 2390 2391 cts->ccb_h.status = CAM_REQ_CMP; 2392 xpt_done(ccb); 2393 break; 2394 } 2395 case XPT_ABORT: 2396 ccb->ccb_h.status = CAM_UA_ABORT; 2397 xpt_done(ccb); 2398 break; 2399 case XPT_SET_TRAN_SETTINGS: 2400 /* XXX */ 2401 default: 2402 ccb->ccb_h.status = CAM_REQ_INVALID; 2403 xpt_done(ccb); 2404 break; 2405 } 2406 return; 2407 } 2408 2409 static void 2410 sbp_action(struct cam_sim *sim, union ccb *ccb) 2411 { 2412 int s; 2413 2414 s = splfw(); 2415 sbp_action1(sim, ccb); 2416 splx(s); 2417 } 2418 2419 static void 2420 sbp_execute_ocb(void *arg, bus_dma_segment_t *segments, int seg, int error) 2421 { 2422 int i; 2423 struct sbp_ocb *ocb; 2424 struct sbp_ocb *prev; 2425 bus_dma_segment_t *s; 2426 2427 if (error) 2428 printf("sbp_execute_ocb: error=%d\n", error); 2429 2430 ocb = (struct sbp_ocb *)arg; 2431 2432 SBP_DEBUG(1) 2433 printf("sbp_execute_ocb: seg %d", seg); 2434 for (i = 0; i < seg; i++) 2435 #if __FreeBSD_version >= 500000 2436 printf(", %jx:%jd", (uintmax_t)segments[i].ds_addr, 2437 (uintmax_t)segments[i].ds_len); 2438 #else 2439 printf(", %x:%d", segments[i].ds_addr, segments[i].ds_len); 2440 #endif 2441 printf("\n"); 2442 END_DEBUG 2443 2444 if (seg == 1) { 2445 /* direct pointer */ 2446 s = &segments[0]; 2447 if (s->ds_len > SBP_SEG_MAX) 2448 panic("ds_len > SBP_SEG_MAX, fix busdma code"); 2449 ocb->orb[3] = htonl(s->ds_addr); 2450 ocb->orb[4] |= htonl(s->ds_len); 2451 } else if(seg > 1) { 2452 /* page table */ 2453 for (i = 0; i < seg; i++) { 2454 s = &segments[i]; 2455 SBP_DEBUG(0) 2456 /* XXX LSI Logic "< 16 byte" bug might be hit */ 2457 if (s->ds_len < 16) 2458 printf("sbp_execute_ocb: warning, " 2459 #if __FreeBSD_version >= 500000 2460 "segment length(%zd) is less than 16." 2461 #else 2462 "segment length(%d) is less than 16." 2463 #endif 2464 "(seg=%d/%d)\n", s->ds_len, i+1, seg); 2465 END_DEBUG 2466 if (s->ds_len > SBP_SEG_MAX) 2467 panic("ds_len > SBP_SEG_MAX, fix busdma code"); 2468 ocb->ind_ptr[i].hi = htonl(s->ds_len << 16); 2469 ocb->ind_ptr[i].lo = htonl(s->ds_addr); 2470 } 2471 ocb->orb[4] |= htonl(ORB_CMD_PTBL | seg); 2472 } 2473 2474 if (seg > 0) 2475 bus_dmamap_sync(ocb->sdev->target->sbp->dmat, ocb->dmamap, 2476 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2477 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE); 2478 prev = sbp_enqueue_ocb(ocb->sdev, ocb); 2479 fwdma_sync(&ocb->sdev->dma, BUS_DMASYNC_PREWRITE); 2480 if (prev == NULL) 2481 sbp_orb_pointer(ocb->sdev, ocb); 2482 } 2483 2484 static void 2485 sbp_poll(struct cam_sim *sim) 2486 { 2487 /* should call fwohci_intr? */ 2488 return; 2489 } 2490 static struct sbp_ocb * 2491 sbp_dequeue_ocb(struct sbp_dev *sdev, struct sbp_status *sbp_status) 2492 { 2493 struct sbp_ocb *ocb; 2494 struct sbp_ocb *next; 2495 int s = splfw(), order = 0; 2496 int flags; 2497 2498 for (ocb = STAILQ_FIRST(&sdev->ocbs); ocb != NULL; ocb = next) { 2499 next = STAILQ_NEXT(ocb, ocb); 2500 flags = ocb->flags; 2501 SBP_DEBUG(1) 2502 sbp_show_sdev_info(sdev, 2); 2503 #if __FreeBSD_version >= 500000 2504 printf("orb: 0x%jx next: 0x%x, flags %x\n", 2505 (uintmax_t)ocb->bus_addr, 2506 #else 2507 printf("orb: 0x%x next: 0x%lx, flags %x\n", 2508 ocb->bus_addr, 2509 #endif 2510 ntohl(ocb->orb[1]), flags); 2511 END_DEBUG 2512 if (OCB_MATCH(ocb, sbp_status)) { 2513 /* found */ 2514 STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb); 2515 if (ocb->ccb != NULL) 2516 untimeout(sbp_timeout, (caddr_t)ocb, 2517 ocb->ccb->ccb_h.timeout_ch); 2518 if (ntohl(ocb->orb[4]) & 0xffff) { 2519 bus_dmamap_sync(sdev->target->sbp->dmat, 2520 ocb->dmamap, 2521 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2522 BUS_DMASYNC_POSTREAD : 2523 BUS_DMASYNC_POSTWRITE); 2524 bus_dmamap_unload(sdev->target->sbp->dmat, 2525 ocb->dmamap); 2526 } 2527 if (next != NULL && sbp_status->src == 1) 2528 sbp_orb_pointer(sdev, next); 2529 break; 2530 } else 2531 order ++; 2532 } 2533 splx(s); 2534 SBP_DEBUG(0) 2535 if (ocb && order > 0) { 2536 sbp_show_sdev_info(sdev, 2); 2537 printf("unordered execution order:%d\n", order); 2538 } 2539 END_DEBUG 2540 return (ocb); 2541 } 2542 2543 static struct sbp_ocb * 2544 sbp_enqueue_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 2545 { 2546 int s = splfw(); 2547 struct sbp_ocb *prev; 2548 2549 SBP_DEBUG(2) 2550 sbp_show_sdev_info(sdev, 2); 2551 #if __FreeBSD_version >= 500000 2552 printf("sbp_enqueue_ocb orb=0x%jx in physical memory\n", 2553 (uintmax_t)ocb->bus_addr); 2554 #else 2555 printf("sbp_enqueue_ocb orb=0x%x in physical memory\n", ocb->bus_addr); 2556 #endif 2557 END_DEBUG 2558 prev = STAILQ_LAST(&sdev->ocbs, sbp_ocb, ocb); 2559 STAILQ_INSERT_TAIL(&sdev->ocbs, ocb, ocb); 2560 2561 if (ocb->ccb != NULL) 2562 ocb->ccb->ccb_h.timeout_ch = timeout(sbp_timeout, (caddr_t)ocb, 2563 (ocb->ccb->ccb_h.timeout * hz) / 1000); 2564 2565 if (prev != NULL ) { 2566 SBP_DEBUG(1) 2567 #if __FreeBSD_version >= 500000 2568 printf("linking chain 0x%jx -> 0x%jx\n", 2569 (uintmax_t)prev->bus_addr, (uintmax_t)ocb->bus_addr); 2570 #else 2571 printf("linking chain 0x%x -> 0x%x\n", prev->bus_addr, ocb->bus_addr); 2572 #endif 2573 END_DEBUG 2574 prev->orb[1] = htonl(ocb->bus_addr); 2575 prev->orb[0] = 0; 2576 } 2577 splx(s); 2578 2579 return prev; 2580 } 2581 2582 static struct sbp_ocb * 2583 sbp_get_ocb(struct sbp_dev *sdev) 2584 { 2585 struct sbp_ocb *ocb; 2586 int s = splfw(); 2587 ocb = STAILQ_FIRST(&sdev->free_ocbs); 2588 if (ocb == NULL) { 2589 printf("ocb shortage!!!\n"); 2590 return NULL; 2591 } 2592 STAILQ_REMOVE_HEAD(&sdev->free_ocbs, ocb); 2593 splx(s); 2594 ocb->ccb = NULL; 2595 return (ocb); 2596 } 2597 2598 static void 2599 sbp_free_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 2600 { 2601 ocb->flags = 0; 2602 ocb->ccb = NULL; 2603 STAILQ_INSERT_TAIL(&sdev->free_ocbs, ocb, ocb); 2604 } 2605 2606 static void 2607 sbp_abort_ocb(struct sbp_ocb *ocb, int status) 2608 { 2609 struct sbp_dev *sdev; 2610 2611 sdev = ocb->sdev; 2612 SBP_DEBUG(0) 2613 sbp_show_sdev_info(sdev, 2); 2614 #if __FreeBSD_version >= 500000 2615 printf("sbp_abort_ocb 0x%jx\n", (uintmax_t)ocb->bus_addr); 2616 #else 2617 printf("sbp_abort_ocb 0x%x\n", ocb->bus_addr); 2618 #endif 2619 END_DEBUG 2620 SBP_DEBUG(1) 2621 if (ocb->ccb != NULL) 2622 sbp_print_scsi_cmd(ocb); 2623 END_DEBUG 2624 if (ntohl(ocb->orb[4]) & 0xffff) { 2625 bus_dmamap_sync(sdev->target->sbp->dmat, ocb->dmamap, 2626 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2627 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 2628 bus_dmamap_unload(sdev->target->sbp->dmat, ocb->dmamap); 2629 } 2630 if (ocb->ccb != NULL) { 2631 untimeout(sbp_timeout, (caddr_t)ocb, 2632 ocb->ccb->ccb_h.timeout_ch); 2633 ocb->ccb->ccb_h.status = status; 2634 xpt_done(ocb->ccb); 2635 } 2636 sbp_free_ocb(sdev, ocb); 2637 } 2638 2639 static void 2640 sbp_abort_all_ocbs(struct sbp_dev *sdev, int status) 2641 { 2642 int s; 2643 struct sbp_ocb *ocb, *next; 2644 STAILQ_HEAD(, sbp_ocb) temp; 2645 2646 s = splfw(); 2647 2648 bcopy(&sdev->ocbs, &temp, sizeof(temp)); 2649 STAILQ_INIT(&sdev->ocbs); 2650 for (ocb = STAILQ_FIRST(&temp); ocb != NULL; ocb = next) { 2651 next = STAILQ_NEXT(ocb, ocb); 2652 sbp_abort_ocb(ocb, status); 2653 } 2654 2655 splx(s); 2656 } 2657 2658 static devclass_t sbp_devclass; 2659 2660 static device_method_t sbp_methods[] = { 2661 /* device interface */ 2662 DEVMETHOD(device_identify, sbp_identify), 2663 DEVMETHOD(device_probe, sbp_probe), 2664 DEVMETHOD(device_attach, sbp_attach), 2665 DEVMETHOD(device_detach, sbp_detach), 2666 DEVMETHOD(device_shutdown, sbp_shutdown), 2667 2668 { 0, 0 } 2669 }; 2670 2671 static driver_t sbp_driver = { 2672 "sbp", 2673 sbp_methods, 2674 sizeof(struct sbp_softc), 2675 }; 2676 DRIVER_MODULE(sbp, firewire, sbp_driver, sbp_devclass, 0, 0); 2677 MODULE_VERSION(sbp, 1); 2678 MODULE_DEPEND(sbp, firewire, 1, 1, 1); 2679 MODULE_DEPEND(sbp, cam, 1, 1, 1); 2680