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: src/sys/dev/firewire/sbp.c,v 1.5.2.19 2003/05/12 04:16:30 simokawa Exp $ 35 * $DragonFly: src/sys/dev/disk/sbp/sbp.c,v 1.2 2003/06/17 04:28:26 dillon Exp $ 36 * 37 */ 38 39 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/module.h> 42 #include <sys/bus.h> 43 #include <sys/mbuf.h> 44 #include <sys/sysctl.h> 45 #include <machine/bus.h> 46 #include <sys/malloc.h> 47 48 #if __FreeBSD_version < 500106 49 #include <sys/devicestat.h> /* for struct devstat */ 50 #endif 51 52 #include <cam/cam.h> 53 #include <cam/cam_ccb.h> 54 #include <cam/cam_sim.h> 55 #include <cam/cam_xpt_sim.h> 56 #include <cam/cam_debug.h> 57 #include <cam/cam_periph.h> 58 59 #include <cam/scsi/scsi_all.h> 60 #include <cam/scsi/scsi_message.h> 61 #include <cam/scsi/scsi_da.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; 248 249 #if BYTE_ORDER == BIG_ENDIAN 250 u_int32_t s_keydep:24, 251 fru:8; 252 #else 253 u_int32_t fru:8, 254 s_keydep:24; 255 #endif 256 u_int32_t vend[2]; 257 258 }; 259 260 struct sbp_dev{ 261 #define SBP_DEV_RESET 0 /* accept login */ 262 #define SBP_DEV_LOGIN 1 /* to login */ 263 #if 0 264 #define SBP_DEV_RECONN 2 /* to reconnect */ 265 #endif 266 #define SBP_DEV_TOATTACH 3 /* to attach */ 267 #define SBP_DEV_PROBE 4 /* scan lun */ 268 #define SBP_DEV_ATTACHED 5 /* in operation */ 269 #define SBP_DEV_DEAD 6 /* unavailable unit */ 270 #define SBP_DEV_RETRY 7 /* unavailable unit */ 271 u_int8_t status:4, 272 timeout:4; 273 u_int8_t type; 274 u_int16_t lun_id; 275 int freeze; 276 struct cam_path *path; 277 struct sbp_target *target; 278 struct fwdma_alloc dma; 279 struct sbp_login_res *login; 280 struct callout login_callout; 281 struct sbp_ocb *ocb; 282 STAILQ_HEAD(, sbp_ocb) ocbs; 283 STAILQ_HEAD(, sbp_ocb) free_ocbs; 284 char vendor[32]; 285 char product[32]; 286 char revision[10]; 287 }; 288 289 struct sbp_target { 290 int target_id; 291 int num_lun; 292 struct sbp_dev *luns; 293 struct sbp_softc *sbp; 294 struct fw_device *fwdev; 295 u_int32_t mgm_hi, mgm_lo; 296 struct sbp_ocb *mgm_ocb_cur; 297 STAILQ_HEAD(, sbp_ocb) mgm_ocb_queue; 298 struct callout mgm_ocb_timeout; 299 #define SCAN_DELAY 2 300 struct callout scan_callout; 301 STAILQ_HEAD(, fw_xfer) xferlist; 302 int n_xfer; 303 }; 304 305 struct sbp_softc { 306 struct firewire_dev_comm fd; 307 struct cam_sim *sim; 308 struct cam_path *path; 309 struct sbp_target targets[SBP_NUM_TARGETS]; 310 struct fw_bind fwb; 311 bus_dma_tag_t dmat; 312 #define SBP_RESOURCE_SHORTAGE 0x10 313 unsigned char flags; 314 }; 315 static void sbp_post_explore __P((void *)); 316 static void sbp_recv __P((struct fw_xfer *)); 317 static void sbp_mgm_callback __P((struct fw_xfer *)); 318 static void sbp_cmd_callback __P((struct fw_xfer *)); 319 static void sbp_orb_pointer __P((struct sbp_dev *, struct sbp_ocb *)); 320 static void sbp_execute_ocb __P((void *, bus_dma_segment_t *, int, int)); 321 static void sbp_free_ocb __P((struct sbp_dev *, struct sbp_ocb *)); 322 static void sbp_abort_ocb __P((struct sbp_ocb *, int)); 323 static void sbp_abort_all_ocbs __P((struct sbp_dev *, int)); 324 static struct fw_xfer * sbp_write_cmd __P((struct sbp_dev *, int, int)); 325 static struct sbp_ocb * sbp_get_ocb __P((struct sbp_dev *)); 326 static struct sbp_ocb * sbp_enqueue_ocb __P((struct sbp_dev *, struct sbp_ocb *)); 327 static struct sbp_ocb * sbp_dequeue_ocb __P((struct sbp_dev *, struct sbp_status *)); 328 static void sbp_cam_detach_target __P((struct sbp_target *)); 329 static void sbp_mgm_timeout __P((void *arg)); 330 static void sbp_timeout __P((void *arg)); 331 static void sbp_mgm_orb __P((struct sbp_dev *, int, struct sbp_ocb *)); 332 #define sbp_login(sdev) \ 333 callout_reset(&(sdev)->login_callout, LOGIN_DELAY * hz, \ 334 sbp_login_callout, (void *)(sdev)); 335 336 MALLOC_DEFINE(M_SBP, "sbp", "SBP-II/FireWire"); 337 338 /* cam related functions */ 339 static void sbp_action(struct cam_sim *sim, union ccb *ccb); 340 static void sbp_poll(struct cam_sim *sim); 341 static void sbp_cam_scan_lun(struct cam_periph *, union ccb *); 342 static void sbp_cam_scan_target(void *arg); 343 344 static char *orb_status0[] = { 345 /* 0 */ "No additional information to report", 346 /* 1 */ "Request type not supported", 347 /* 2 */ "Speed not supported", 348 /* 3 */ "Page size not supported", 349 /* 4 */ "Access denied", 350 /* 5 */ "Logical unit not supported", 351 /* 6 */ "Maximum payload too small", 352 /* 7 */ "Reserved for future standardization", 353 /* 8 */ "Resources unavailable", 354 /* 9 */ "Function rejected", 355 /* A */ "Login ID not recognized", 356 /* B */ "Dummy ORB completed", 357 /* C */ "Request aborted", 358 /* FF */ "Unspecified error" 359 #define MAX_ORB_STATUS0 0xd 360 }; 361 362 static char *orb_status1_object[] = { 363 /* 0 */ "Operation request block (ORB)", 364 /* 1 */ "Data buffer", 365 /* 2 */ "Page table", 366 /* 3 */ "Unable to specify" 367 }; 368 369 static char *orb_status1_serial_bus_error[] = { 370 /* 0 */ "Missing acknowledge", 371 /* 1 */ "Reserved; not to be used", 372 /* 2 */ "Time-out error", 373 /* 3 */ "Reserved; not to be used", 374 /* 4 */ "Busy retry limit exceeded(X)", 375 /* 5 */ "Busy retry limit exceeded(A)", 376 /* 6 */ "Busy retry limit exceeded(B)", 377 /* 7 */ "Reserved for future standardization", 378 /* 8 */ "Reserved for future standardization", 379 /* 9 */ "Reserved for future standardization", 380 /* A */ "Reserved for future standardization", 381 /* B */ "Tardy retry limit exceeded", 382 /* C */ "Conflict error", 383 /* D */ "Data error", 384 /* E */ "Type error", 385 /* F */ "Address error" 386 }; 387 388 static void 389 sbp_identify(driver_t *driver, device_t parent) 390 { 391 device_t child; 392 SBP_DEBUG(0) 393 printf("sbp_identify\n"); 394 END_DEBUG 395 396 child = BUS_ADD_CHILD(parent, 0, "sbp", device_get_unit(parent)); 397 } 398 399 /* 400 * sbp_probe() 401 */ 402 static int 403 sbp_probe(device_t dev) 404 { 405 device_t pa; 406 407 SBP_DEBUG(0) 408 printf("sbp_probe\n"); 409 END_DEBUG 410 411 pa = device_get_parent(dev); 412 if(device_get_unit(dev) != device_get_unit(pa)){ 413 return(ENXIO); 414 } 415 416 device_set_desc(dev, "SBP2/SCSI over firewire"); 417 418 if (bootverbose) 419 debug = bootverbose; 420 return (0); 421 } 422 423 static void 424 sbp_show_sdev_info(struct sbp_dev *sdev, int new) 425 { 426 struct fw_device *fwdev; 427 428 printf("%s:%d:%d ", 429 device_get_nameunit(sdev->target->sbp->fd.dev), 430 sdev->target->target_id, 431 sdev->lun_id 432 ); 433 if (new == 2) { 434 return; 435 } 436 fwdev = sdev->target->fwdev; 437 printf("ordered:%d type:%d EUI:%08x%08x node:%d " 438 "speed:%d maxrec:%d", 439 (sdev->type & 0x40) >> 6, 440 (sdev->type & 0x1f), 441 fwdev->eui.hi, 442 fwdev->eui.lo, 443 fwdev->dst, 444 fwdev->speed, 445 fwdev->maxrec 446 ); 447 if (new) 448 printf(" new!\n"); 449 else 450 printf("\n"); 451 sbp_show_sdev_info(sdev, 2); 452 printf("'%s' '%s' '%s'\n", sdev->vendor, sdev->product, sdev->revision); 453 } 454 455 static struct { 456 int bus; 457 int target; 458 struct fw_eui64 eui; 459 } wired[] = { 460 /* Bus Target EUI64 */ 461 #if 0 462 {0, 2, {0x00018ea0, 0x01fd0154}}, /* Logitec HDD */ 463 {0, 0, {0x00018ea6, 0x00100682}}, /* Logitec DVD */ 464 {0, 1, {0x00d03200, 0xa412006a}}, /* Yano HDD */ 465 #endif 466 {-1, -1, {0,0}} 467 }; 468 469 static int 470 sbp_new_target(struct sbp_softc *sbp, struct fw_device *fwdev) 471 { 472 int bus, i, target=-1; 473 char w[SBP_NUM_TARGETS]; 474 475 bzero(w, sizeof(w)); 476 bus = device_get_unit(sbp->fd.dev); 477 478 /* XXX wired-down configuration should be gotten from 479 tunable or device hint */ 480 for (i = 0; wired[i].bus >= 0; i ++) { 481 if (wired[i].bus == bus) { 482 w[wired[i].target] = 1; 483 if (wired[i].eui.hi == fwdev->eui.hi && 484 wired[i].eui.lo == fwdev->eui.lo) 485 target = wired[i].target; 486 } 487 } 488 if (target >= 0) { 489 if(target < SBP_NUM_TARGETS && 490 sbp->targets[target].fwdev == NULL) 491 return(target); 492 device_printf(sbp->fd.dev, 493 "target %d is not free for %08x:%08x\n", 494 target, fwdev->eui.hi, fwdev->eui.lo); 495 target = -1; 496 } 497 /* non-wired target */ 498 for (i = 0; i < SBP_NUM_TARGETS; i ++) 499 if (sbp->targets[i].fwdev == NULL && w[i] == 0) { 500 target = i; 501 break; 502 } 503 504 return target; 505 } 506 507 static struct sbp_target * 508 sbp_alloc_target(struct sbp_softc *sbp, struct fw_device *fwdev) 509 { 510 int i, maxlun, lun; 511 struct sbp_target *target; 512 struct sbp_dev *sdev; 513 struct crom_context cc; 514 struct csrreg *reg; 515 516 SBP_DEBUG(1) 517 printf("sbp_alloc_target\n"); 518 END_DEBUG 519 i = sbp_new_target(sbp, fwdev); 520 if (i < 0) { 521 device_printf(sbp->fd.dev, "increase SBP_NUM_TARGETS!\n"); 522 return NULL; 523 } 524 /* new target */ 525 target = &sbp->targets[i]; 526 target->sbp = sbp; 527 target->fwdev = fwdev; 528 target->target_id = i; 529 /* XXX we may want to reload mgm port after each bus reset */ 530 /* XXX there might be multiple management agents */ 531 crom_init_context(&cc, target->fwdev->csrrom); 532 reg = crom_search_key(&cc, CROM_MGM); 533 if (reg == NULL || reg->val == 0) { 534 printf("NULL management address\n"); 535 target->fwdev = NULL; 536 return NULL; 537 } 538 target->mgm_hi = 0xffff; 539 target->mgm_lo = 0xf0000000 | (reg->val << 2); 540 target->mgm_ocb_cur = NULL; 541 SBP_DEBUG(1) 542 printf("target:%d mgm_port: %x\n", i, target->mgm_lo); 543 END_DEBUG 544 STAILQ_INIT(&target->xferlist); 545 target->n_xfer = 0; 546 STAILQ_INIT(&target->mgm_ocb_queue); 547 CALLOUT_INIT(&target->mgm_ocb_timeout); 548 CALLOUT_INIT(&target->scan_callout); 549 550 /* XXX num_lun may be changed. realloc luns? */ 551 crom_init_context(&cc, target->fwdev->csrrom); 552 /* XXX shoud parse appropriate unit directories only */ 553 maxlun = -1; 554 while (cc.depth >= 0) { 555 reg = crom_search_key(&cc, CROM_LUN); 556 if (reg == NULL) 557 break; 558 lun = reg->val & 0xffff; 559 SBP_DEBUG(0) 560 printf("target %d lun %d found\n", target->target_id, lun); 561 END_DEBUG 562 if (maxlun < lun) 563 maxlun = lun; 564 crom_next(&cc); 565 } 566 if (maxlun < 0) 567 printf("no lun found!\n"); 568 if (maxlun >= SBP_NUM_LUNS) 569 maxlun = SBP_NUM_LUNS; 570 target->num_lun = maxlun + 1; 571 target->luns = (struct sbp_dev *) malloc( 572 sizeof(struct sbp_dev) * target->num_lun, 573 M_SBP, M_NOWAIT | M_ZERO); 574 for (i = 0; i < target->num_lun; i++) { 575 sdev = &target->luns[i]; 576 sdev->lun_id = i; 577 sdev->target = target; 578 STAILQ_INIT(&sdev->ocbs); 579 CALLOUT_INIT(&sdev->login_callout); 580 sdev->status = SBP_DEV_DEAD; 581 } 582 crom_init_context(&cc, target->fwdev->csrrom); 583 while (cc.depth >= 0) { 584 reg = crom_search_key(&cc, CROM_LUN); 585 if (reg == NULL) 586 break; 587 lun = reg->val & 0xffff; 588 if (lun >= SBP_NUM_LUNS) { 589 printf("too large lun %d\n", lun); 590 continue; 591 } 592 sdev = &target->luns[lun]; 593 sdev->status = SBP_DEV_RESET; 594 sdev->type = (reg->val & 0xf0000) >> 16; 595 596 fwdma_malloc(sbp->fd.fc, 597 /* alignment */ sizeof(u_int32_t), 598 SBP_DMA_SIZE, &sdev->dma, BUS_DMA_NOWAIT); 599 if (sdev->dma.v_addr == NULL) { 600 printf("%s: dma space allocation failed\n", 601 __FUNCTION__); 602 return (NULL); 603 } 604 sdev->login = (struct sbp_login_res *) sdev->dma.v_addr; 605 sdev->ocb = (struct sbp_ocb *) 606 ((char *)sdev->dma.v_addr + SBP_LOGIN_SIZE); 607 bzero((char *)sdev->ocb, 608 sizeof (struct sbp_ocb) * SBP_QUEUE_LEN); 609 610 STAILQ_INIT(&sdev->free_ocbs); 611 for (i = 0; i < SBP_QUEUE_LEN; i++) { 612 struct sbp_ocb *ocb; 613 ocb = &sdev->ocb[i]; 614 ocb->bus_addr = sdev->dma.bus_addr 615 + SBP_LOGIN_SIZE 616 + sizeof(struct sbp_ocb) * i 617 + offsetof(struct sbp_ocb, orb[0]); 618 if (bus_dmamap_create(sbp->dmat, 0, &ocb->dmamap)) { 619 printf("sbp_attach: cannot create dmamap\n"); 620 return (NULL); 621 } 622 sbp_free_ocb(sdev, ocb); 623 } 624 crom_next(&cc); 625 } 626 return target; 627 } 628 629 static void 630 sbp_probe_lun(struct sbp_dev *sdev) 631 { 632 struct fw_device *fwdev; 633 struct crom_context c, *cc = &c; 634 struct csrreg *reg; 635 636 bzero(sdev->vendor, sizeof(sdev->vendor)); 637 bzero(sdev->product, sizeof(sdev->product)); 638 639 fwdev = sdev->target->fwdev; 640 crom_init_context(cc, fwdev->csrrom); 641 /* get vendor string */ 642 crom_search_key(cc, CSRKEY_VENDOR); 643 crom_next(cc); 644 crom_parse_text(cc, sdev->vendor, sizeof(sdev->vendor)); 645 /* skip to the unit directory for SBP-2 */ 646 while ((reg = crom_search_key(cc, CSRKEY_VER)) != NULL) { 647 if (reg->val == CSRVAL_T10SBP2) 648 break; 649 crom_next(cc); 650 } 651 /* get firmware revision */ 652 reg = crom_search_key(cc, CSRKEY_FIRM_VER); 653 if (reg != NULL) 654 snprintf(sdev->revision, sizeof(sdev->revision), 655 "%06x", reg->val); 656 /* get product string */ 657 crom_search_key(cc, CSRKEY_MODEL); 658 crom_next(cc); 659 crom_parse_text(cc, sdev->product, sizeof(sdev->product)); 660 } 661 662 static void 663 sbp_login_callout(void *arg) 664 { 665 struct sbp_dev *sdev = (struct sbp_dev *)arg; 666 sbp_mgm_orb(sdev, ORB_FUN_LGI, NULL); 667 } 668 669 #define SBP_FWDEV_ALIVE(fwdev) (((fwdev)->status == FWDEVATTACHED) \ 670 && crom_has_specver((fwdev)->csrrom, CSRVAL_ANSIT10, CSRVAL_T10SBP2)) 671 672 static void 673 sbp_probe_target(void *arg) 674 { 675 struct sbp_target *target = (struct sbp_target *)arg; 676 struct sbp_softc *sbp; 677 struct sbp_dev *sdev; 678 struct firewire_comm *fc; 679 int i, alive; 680 681 alive = SBP_FWDEV_ALIVE(target->fwdev); 682 SBP_DEBUG(1) 683 printf("sbp_probe_target %d\n", target->target_id); 684 if (!alive) 685 printf("not alive\n"); 686 END_DEBUG 687 688 sbp = target->sbp; 689 fc = target->sbp->fd.fc; 690 /* XXX untimeout mgm_ocb and dequeue */ 691 for (i=0; i < target->num_lun; i++) { 692 sdev = &target->luns[i]; 693 if (alive && (sdev->status != SBP_DEV_DEAD)) { 694 if (sdev->path != NULL) { 695 xpt_freeze_devq(sdev->path, 1); 696 sdev->freeze ++; 697 } 698 sbp_probe_lun(sdev); 699 SBP_DEBUG(0) 700 sbp_show_sdev_info(sdev, 701 (sdev->status == SBP_DEV_RESET)); 702 END_DEBUG 703 704 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET); 705 switch (sdev->status) { 706 case SBP_DEV_RESET: 707 /* new or revived target */ 708 if (auto_login) 709 sbp_login(sdev); 710 break; 711 case SBP_DEV_TOATTACH: 712 case SBP_DEV_PROBE: 713 case SBP_DEV_ATTACHED: 714 case SBP_DEV_RETRY: 715 default: 716 sbp_mgm_orb(sdev, ORB_FUN_RCN, NULL); 717 break; 718 } 719 } else { 720 switch (sdev->status) { 721 case SBP_DEV_ATTACHED: 722 SBP_DEBUG(0) 723 /* the device has gone */ 724 sbp_show_sdev_info(sdev, 2); 725 printf("lost target\n"); 726 END_DEBUG 727 if (sdev->path) { 728 xpt_freeze_devq(sdev->path, 1); 729 sdev->freeze ++; 730 } 731 sdev->status = SBP_DEV_RETRY; 732 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET); 733 break; 734 case SBP_DEV_PROBE: 735 case SBP_DEV_TOATTACH: 736 sdev->status = SBP_DEV_RESET; 737 break; 738 case SBP_DEV_RETRY: 739 case SBP_DEV_RESET: 740 case SBP_DEV_DEAD: 741 break; 742 } 743 } 744 } 745 } 746 747 static void 748 sbp_post_busreset(void *arg) 749 { 750 struct sbp_softc *sbp; 751 752 sbp = (struct sbp_softc *)arg; 753 SBP_DEBUG(0) 754 printf("sbp_post_busreset\n"); 755 END_DEBUG 756 } 757 758 static void 759 sbp_post_explore(void *arg) 760 { 761 struct sbp_softc *sbp = (struct sbp_softc *)arg; 762 struct sbp_target *target; 763 struct fw_device *fwdev; 764 int i, alive; 765 766 SBP_DEBUG(0) 767 printf("sbp_post_explore (sbp_cold=%d)\n", sbp_cold); 768 END_DEBUG 769 #if 0 /* 770 * XXX don't let CAM the bus rest. CAM tries to do something with 771 * freezed (DEV_RETRY) devices 772 */ 773 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL); 774 #endif 775 if (sbp_cold > 0) 776 sbp_cold --; 777 778 /* Gabage Collection */ 779 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){ 780 target = &sbp->targets[i]; 781 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) 782 if (target->fwdev == NULL || target->fwdev == fwdev) 783 break; 784 if(fwdev == NULL){ 785 /* device has removed in lower driver */ 786 sbp_cam_detach_target(target); 787 if (target->luns != NULL) 788 free(target->luns, M_SBP); 789 target->num_lun = 0;; 790 target->luns = NULL; 791 target->fwdev = NULL; 792 } 793 } 794 /* traverse device list */ 795 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) { 796 SBP_DEBUG(0) 797 printf("sbp_post_explore: EUI:%08x%08x ", 798 fwdev->eui.hi, fwdev->eui.lo); 799 if (fwdev->status != FWDEVATTACHED) 800 printf("not attached, state=%d.\n", fwdev->status); 801 else 802 printf("attached\n"); 803 END_DEBUG 804 alive = SBP_FWDEV_ALIVE(fwdev); 805 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){ 806 target = &sbp->targets[i]; 807 if(target->fwdev == fwdev ) { 808 /* known target */ 809 break; 810 } 811 } 812 if(i == SBP_NUM_TARGETS){ 813 if (alive) { 814 /* new target */ 815 target = sbp_alloc_target(sbp, fwdev); 816 if (target == NULL) 817 continue; 818 } else { 819 continue; 820 } 821 } 822 sbp_probe_target((void *)target); 823 } 824 } 825 826 #if NEED_RESPONSE 827 static void 828 sbp_loginres_callback(struct fw_xfer *xfer){ 829 int s; 830 struct sbp_dev *sdev; 831 sdev = (struct sbp_dev *)xfer->sc; 832 SBP_DEBUG(1) 833 sbp_show_sdev_info(sdev, 2); 834 printf("sbp_loginres_callback\n"); 835 END_DEBUG 836 /* recycle */ 837 s = splfw(); 838 STAILQ_INSERT_TAIL(&sdev->target->sbp->fwb.xferlist, xfer, link); 839 splx(s); 840 return; 841 } 842 #endif 843 844 static __inline void 845 sbp_xfer_free(struct fw_xfer *xfer) 846 { 847 struct sbp_dev *sdev; 848 int s; 849 850 sdev = (struct sbp_dev *)xfer->sc; 851 fw_xfer_unload(xfer); 852 s = splfw(); 853 STAILQ_INSERT_TAIL(&sdev->target->xferlist, xfer, link); 854 splx(s); 855 } 856 857 static void 858 sbp_reset_start_callback(struct fw_xfer *xfer) 859 { 860 struct sbp_dev *tsdev, *sdev = (struct sbp_dev *)xfer->sc; 861 struct sbp_target *target = sdev->target; 862 int i; 863 864 if (xfer->resp != 0) { 865 sbp_show_sdev_info(sdev, 2); 866 printf("sbp_reset_start failed: resp=%d\n", xfer->resp); 867 } 868 869 for (i = 0; i < target->num_lun; i++) { 870 tsdev = &target->luns[i]; 871 if (tsdev->status == SBP_DEV_LOGIN) 872 sbp_login(sdev); 873 } 874 } 875 876 static void 877 sbp_reset_start(struct sbp_dev *sdev) 878 { 879 struct fw_xfer *xfer; 880 struct fw_pkt *fp; 881 882 SBP_DEBUG(0) 883 sbp_show_sdev_info(sdev, 2); 884 printf("sbp_reset_start\n"); 885 END_DEBUG 886 887 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 888 xfer->act.hand = sbp_reset_start_callback; 889 fp = (struct fw_pkt *)xfer->send.buf; 890 fp->mode.wreqq.dest_hi = 0xffff; 891 fp->mode.wreqq.dest_lo = 0xf0000000 | RESET_START; 892 fp->mode.wreqq.data = htonl(0xf); 893 fw_asyreq(xfer->fc, -1, xfer); 894 } 895 896 static void 897 sbp_mgm_callback(struct fw_xfer *xfer) 898 { 899 struct sbp_dev *sdev; 900 int resp; 901 902 sdev = (struct sbp_dev *)xfer->sc; 903 904 SBP_DEBUG(1) 905 sbp_show_sdev_info(sdev, 2); 906 printf("sbp_mgm_callback\n"); 907 END_DEBUG 908 resp = xfer->resp; 909 sbp_xfer_free(xfer); 910 #if 0 911 if (resp != 0) { 912 sbp_show_sdev_info(sdev, 2); 913 printf("management ORB failed(%d) ... RESET_START\n", resp); 914 sbp_reset_start(sdev); 915 } 916 #endif 917 return; 918 } 919 920 static void 921 sbp_cmd_callback(struct fw_xfer *xfer) 922 { 923 SBP_DEBUG(2) 924 struct sbp_dev *sdev; 925 sdev = (struct sbp_dev *)xfer->sc; 926 sbp_show_sdev_info(sdev, 2); 927 printf("sbp_cmd_callback\n"); 928 END_DEBUG 929 sbp_xfer_free(xfer); 930 return; 931 } 932 933 static struct sbp_dev * 934 sbp_next_dev(struct sbp_target *target, int lun) 935 { 936 struct sbp_dev *sdev; 937 int i; 938 939 for (i = lun, sdev = &target->luns[lun]; 940 i < target->num_lun; i++, sdev++) { 941 if (sdev->status == SBP_DEV_PROBE) 942 break; 943 } 944 if (i >= target->num_lun) 945 return(NULL); 946 return(sdev); 947 } 948 949 #define SCAN_PRI 1 950 static void 951 sbp_cam_scan_lun(struct cam_periph *periph, union ccb *ccb) 952 { 953 struct sbp_target *target; 954 struct sbp_dev *sdev; 955 956 sdev = (struct sbp_dev *) ccb->ccb_h.ccb_sdev_ptr; 957 target = sdev->target; 958 SBP_DEBUG(0) 959 sbp_show_sdev_info(sdev, 2); 960 printf("sbp_cam_scan_lun\n"); 961 END_DEBUG 962 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 963 sdev->status = SBP_DEV_ATTACHED; 964 } else { 965 sbp_show_sdev_info(sdev, 2); 966 printf("scan failed\n"); 967 } 968 sdev = sbp_next_dev(target, sdev->lun_id + 1); 969 if (sdev == NULL) { 970 free(ccb, M_SBP); 971 return; 972 } 973 /* reuse ccb */ 974 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI); 975 ccb->ccb_h.ccb_sdev_ptr = sdev; 976 xpt_action(ccb); 977 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 978 sdev->freeze = 1; 979 } 980 981 static void 982 sbp_cam_scan_target(void *arg) 983 { 984 struct sbp_target *target = (struct sbp_target *)arg; 985 struct sbp_dev *sdev; 986 union ccb *ccb; 987 988 sdev = sbp_next_dev(target, 0); 989 if (sdev == NULL) { 990 printf("sbp_cam_scan_target: nothing to do for target%d\n", 991 target->target_id); 992 return; 993 } 994 SBP_DEBUG(0) 995 sbp_show_sdev_info(sdev, 2); 996 printf("sbp_cam_scan_target\n"); 997 END_DEBUG 998 ccb = malloc(sizeof(union ccb), M_SBP, M_NOWAIT | M_ZERO); 999 if (ccb == NULL) { 1000 printf("sbp_cam_scan_target: malloc failed\n"); 1001 return; 1002 } 1003 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI); 1004 ccb->ccb_h.func_code = XPT_SCAN_LUN; 1005 ccb->ccb_h.cbfcnp = sbp_cam_scan_lun; 1006 ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 1007 ccb->crcn.flags = CAM_FLAG_NONE; 1008 ccb->ccb_h.ccb_sdev_ptr = sdev; 1009 1010 /* The scan is in progress now. */ 1011 xpt_action(ccb); 1012 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 1013 sdev->freeze = 1; 1014 } 1015 1016 static __inline void 1017 sbp_scan_dev(struct sbp_dev *sdev) 1018 { 1019 sdev->status = SBP_DEV_PROBE; 1020 callout_reset(&sdev->target->scan_callout, SCAN_DELAY * hz, 1021 sbp_cam_scan_target, (void *)sdev->target); 1022 } 1023 1024 static void 1025 sbp_do_attach(struct fw_xfer *xfer) 1026 { 1027 struct sbp_dev *sdev; 1028 struct sbp_target *target; 1029 struct sbp_softc *sbp; 1030 1031 sdev = (struct sbp_dev *)xfer->sc; 1032 target = sdev->target; 1033 sbp = target->sbp; 1034 SBP_DEBUG(0) 1035 sbp_show_sdev_info(sdev, 2); 1036 printf("sbp_do_attach\n"); 1037 END_DEBUG 1038 sbp_xfer_free(xfer); 1039 1040 if (sdev->path == NULL) 1041 xpt_create_path(&sdev->path, xpt_periph, 1042 cam_sim_path(target->sbp->sim), 1043 target->target_id, sdev->lun_id); 1044 1045 /* 1046 * Let CAM scan the bus if we are in the boot process. 1047 * XXX xpt_scan_bus cannot detect LUN larger than 0 1048 * if LUN 0 doesn't exists. 1049 */ 1050 if (sbp_cold > 0) { 1051 sdev->status = SBP_DEV_ATTACHED; 1052 return; 1053 } 1054 1055 sbp_scan_dev(sdev); 1056 return; 1057 } 1058 1059 static void 1060 sbp_agent_reset_callback(struct fw_xfer *xfer) 1061 { 1062 struct sbp_dev *sdev; 1063 1064 sdev = (struct sbp_dev *)xfer->sc; 1065 SBP_DEBUG(1) 1066 sbp_show_sdev_info(sdev, 2); 1067 printf("sbp_cmd_callback\n"); 1068 END_DEBUG 1069 if (xfer->resp != 0) { 1070 sbp_show_sdev_info(sdev, 2); 1071 printf("sbp_cmd_callback resp=%d\n", xfer->resp); 1072 } 1073 1074 sbp_xfer_free(xfer); 1075 if (sdev->path) { 1076 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 1077 sdev->freeze = 0; 1078 } 1079 } 1080 1081 static void 1082 sbp_agent_reset(struct sbp_dev *sdev) 1083 { 1084 struct fw_xfer *xfer; 1085 struct fw_pkt *fp; 1086 1087 SBP_DEBUG(0) 1088 sbp_show_sdev_info(sdev, 2); 1089 printf("sbp_agent_reset\n"); 1090 END_DEBUG 1091 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x04); 1092 if (xfer == NULL) 1093 return; 1094 if (sdev->status == SBP_DEV_ATTACHED) 1095 xfer->act.hand = sbp_agent_reset_callback; 1096 else 1097 xfer->act.hand = sbp_do_attach; 1098 fp = (struct fw_pkt *)xfer->send.buf; 1099 fp->mode.wreqq.data = htonl(0xf); 1100 fw_asyreq(xfer->fc, -1, xfer); 1101 sbp_abort_all_ocbs(sdev, CAM_BDR_SENT); 1102 } 1103 1104 static void 1105 sbp_busy_timeout_callback(struct fw_xfer *xfer) 1106 { 1107 struct sbp_dev *sdev; 1108 1109 sdev = (struct sbp_dev *)xfer->sc; 1110 SBP_DEBUG(1) 1111 sbp_show_sdev_info(sdev, 2); 1112 printf("sbp_busy_timeout_callback\n"); 1113 END_DEBUG 1114 sbp_xfer_free(xfer); 1115 sbp_agent_reset(sdev); 1116 } 1117 1118 static void 1119 sbp_busy_timeout(struct sbp_dev *sdev) 1120 { 1121 struct fw_pkt *fp; 1122 struct fw_xfer *xfer; 1123 SBP_DEBUG(0) 1124 sbp_show_sdev_info(sdev, 2); 1125 printf("sbp_busy_timeout\n"); 1126 END_DEBUG 1127 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 1128 1129 xfer->act.hand = sbp_busy_timeout_callback; 1130 fp = (struct fw_pkt *)xfer->send.buf; 1131 fp->mode.wreqq.dest_hi = 0xffff; 1132 fp->mode.wreqq.dest_lo = 0xf0000000 | BUSY_TIMEOUT; 1133 fp->mode.wreqq.data = htonl((1 << (13+12)) | 0xf); 1134 fw_asyreq(xfer->fc, -1, xfer); 1135 } 1136 1137 static void 1138 sbp_orb_pointer(struct sbp_dev *sdev, struct sbp_ocb *ocb) 1139 { 1140 struct fw_xfer *xfer; 1141 struct fw_pkt *fp; 1142 SBP_DEBUG(2) 1143 sbp_show_sdev_info(sdev, 2); 1144 printf("sbp_orb_pointer\n"); 1145 END_DEBUG 1146 1147 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0x08); 1148 if (xfer == NULL) 1149 return; 1150 xfer->act.hand = sbp_cmd_callback; 1151 1152 fp = (struct fw_pkt *)xfer->send.buf; 1153 fp->mode.wreqb.len = 8; 1154 fp->mode.wreqb.extcode = 0; 1155 fp->mode.wreqb.payload[0] = 1156 htonl(((sdev->target->sbp->fd.fc->nodeid | FWLOCALBUS )<< 16)); 1157 fp->mode.wreqb.payload[1] = htonl(ocb->bus_addr); 1158 1159 if(fw_asyreq(xfer->fc, -1, xfer) != 0){ 1160 sbp_xfer_free(xfer); 1161 ocb->ccb->ccb_h.status = CAM_REQ_INVALID; 1162 xpt_done(ocb->ccb); 1163 } 1164 } 1165 1166 #if 0 1167 static void 1168 sbp_doorbell(struct sbp_dev *sdev) 1169 { 1170 struct fw_xfer *xfer; 1171 struct fw_pkt *fp; 1172 SBP_DEBUG(1) 1173 sbp_show_sdev_info(sdev, 2); 1174 printf("sbp_doorbell\n"); 1175 END_DEBUG 1176 1177 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x10); 1178 if (xfer == NULL) 1179 return; 1180 xfer->act.hand = sbp_cmd_callback; 1181 fp = (struct fw_pkt *)xfer->send.buf; 1182 fp->mode.wreqq.data = htonl(0xf); 1183 fw_asyreq(xfer->fc, -1, xfer); 1184 } 1185 #endif 1186 1187 static struct fw_xfer * 1188 sbp_write_cmd(struct sbp_dev *sdev, int tcode, int offset) 1189 { 1190 struct fw_xfer *xfer; 1191 struct fw_pkt *fp; 1192 struct sbp_target *target; 1193 int s, new = 0; 1194 1195 target = sdev->target; 1196 s = splfw(); 1197 xfer = STAILQ_FIRST(&target->xferlist); 1198 if (xfer == NULL) { 1199 if (target->n_xfer > 5 /* XXX */) { 1200 printf("sbp: no more xfer for this target\n"); 1201 splx(s); 1202 return(NULL); 1203 } 1204 xfer = fw_xfer_alloc_buf(M_SBP, 24, 12); 1205 if(xfer == NULL){ 1206 printf("sbp: fw_xfer_alloc_buf failed\n"); 1207 splx(s); 1208 return NULL; 1209 } 1210 target->n_xfer ++; 1211 if (debug) 1212 printf("sbp: alloc %d xfer\n", target->n_xfer); 1213 new = 1; 1214 } else { 1215 STAILQ_REMOVE_HEAD(&target->xferlist, link); 1216 } 1217 splx(s); 1218 1219 microtime(&xfer->tv); 1220 1221 if (tcode == FWTCODE_WREQQ) 1222 xfer->send.len = 16; 1223 else 1224 xfer->send.len = 24; 1225 xfer->recv.len = 12; 1226 1227 if (new) { 1228 xfer->spd = min(sdev->target->fwdev->speed, max_speed); 1229 xfer->fc = sdev->target->sbp->fd.fc; 1230 xfer->retry_req = fw_asybusy; 1231 } 1232 xfer->sc = (caddr_t)sdev; 1233 fp = (struct fw_pkt *)xfer->send.buf; 1234 fp->mode.wreqq.dest_hi = sdev->login->cmd_hi; 1235 fp->mode.wreqq.dest_lo = sdev->login->cmd_lo + offset; 1236 fp->mode.wreqq.tlrt = 0; 1237 fp->mode.wreqq.tcode = tcode; 1238 fp->mode.wreqq.pri = 0; 1239 xfer->dst = FWLOCALBUS | sdev->target->fwdev->dst; 1240 fp->mode.wreqq.dst = xfer->dst; 1241 1242 return xfer; 1243 1244 } 1245 1246 static void 1247 sbp_mgm_orb(struct sbp_dev *sdev, int func, struct sbp_ocb *aocb) 1248 { 1249 struct fw_xfer *xfer; 1250 struct fw_pkt *fp; 1251 struct sbp_ocb *ocb; 1252 struct sbp_target *target; 1253 int s, nid; 1254 1255 target = sdev->target; 1256 nid = target->sbp->fd.fc->nodeid | FWLOCALBUS; 1257 1258 s = splfw(); 1259 if (func == ORB_FUN_RUNQUEUE) { 1260 ocb = STAILQ_FIRST(&target->mgm_ocb_queue); 1261 if (target->mgm_ocb_cur != NULL || ocb == NULL) { 1262 splx(s); 1263 return; 1264 } 1265 STAILQ_REMOVE_HEAD(&target->mgm_ocb_queue, ocb); 1266 goto start; 1267 } 1268 if ((ocb = sbp_get_ocb(sdev)) == NULL) { 1269 splx(s); 1270 return; 1271 } 1272 ocb->flags = OCB_ACT_MGM; 1273 ocb->sdev = sdev; 1274 1275 bzero((void *)(uintptr_t)(volatile void *)ocb->orb, sizeof(ocb->orb)); 1276 ocb->orb[6] = htonl((nid << 16) | SBP_BIND_HI); 1277 ocb->orb[7] = htonl(SBP_DEV2ADDR( 1278 device_get_unit(target->sbp->fd.dev), 1279 target->target_id, 1280 sdev->lun_id)); 1281 1282 SBP_DEBUG(0) 1283 sbp_show_sdev_info(sdev, 2); 1284 printf("%s\n", orb_fun_name[(func>>16)&0xf]); 1285 END_DEBUG 1286 switch (func) { 1287 case ORB_FUN_LGI: 1288 ocb->orb[2] = htonl(nid << 16); 1289 ocb->orb[3] = htonl(sdev->dma.bus_addr); 1290 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_EXV | sdev->lun_id); 1291 ocb->orb[5] = htonl(SBP_LOGIN_SIZE); 1292 fwdma_sync(&sdev->dma, BUS_DMASYNC_PREREAD); 1293 break; 1294 case ORB_FUN_ATA: 1295 ocb->orb[0] = htonl((0 << 16) | 0); 1296 ocb->orb[1] = htonl(aocb->bus_addr & 0xffffffff); 1297 /* fall through */ 1298 case ORB_FUN_RCN: 1299 case ORB_FUN_LGO: 1300 case ORB_FUN_LUR: 1301 case ORB_FUN_RST: 1302 case ORB_FUN_ATS: 1303 ocb->orb[4] = htonl(ORB_NOTIFY | func | sdev->login->id); 1304 break; 1305 } 1306 1307 if (target->mgm_ocb_cur != NULL) { 1308 /* there is a standing ORB */ 1309 STAILQ_INSERT_TAIL(&sdev->target->mgm_ocb_queue, ocb, ocb); 1310 splx(s); 1311 return; 1312 } 1313 start: 1314 target->mgm_ocb_cur = ocb; 1315 splx(s); 1316 1317 callout_reset(&target->mgm_ocb_timeout, 5*hz, 1318 sbp_mgm_timeout, (caddr_t)ocb); 1319 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0); 1320 if(xfer == NULL){ 1321 return; 1322 } 1323 xfer->act.hand = sbp_mgm_callback; 1324 1325 fp = (struct fw_pkt *)xfer->send.buf; 1326 fp->mode.wreqb.dest_hi = sdev->target->mgm_hi; 1327 fp->mode.wreqb.dest_lo = sdev->target->mgm_lo; 1328 fp->mode.wreqb.len = 8; 1329 fp->mode.wreqb.extcode = 0; 1330 fp->mode.wreqb.payload[0] = htonl(nid << 16); 1331 fp->mode.wreqb.payload[1] = htonl(ocb->bus_addr); 1332 1333 fw_asyreq(xfer->fc, -1, xfer); 1334 } 1335 1336 static void 1337 sbp_print_scsi_cmd(struct sbp_ocb *ocb) 1338 { 1339 struct ccb_scsiio *csio; 1340 1341 csio = &ocb->ccb->csio; 1342 printf("%s:%d:%d XPT_SCSI_IO: " 1343 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 1344 ", flags: 0x%02x, " 1345 "%db cmd/%db data/%db sense\n", 1346 device_get_nameunit(ocb->sdev->target->sbp->fd.dev), 1347 ocb->ccb->ccb_h.target_id, ocb->ccb->ccb_h.target_lun, 1348 csio->cdb_io.cdb_bytes[0], 1349 csio->cdb_io.cdb_bytes[1], 1350 csio->cdb_io.cdb_bytes[2], 1351 csio->cdb_io.cdb_bytes[3], 1352 csio->cdb_io.cdb_bytes[4], 1353 csio->cdb_io.cdb_bytes[5], 1354 csio->cdb_io.cdb_bytes[6], 1355 csio->cdb_io.cdb_bytes[7], 1356 csio->cdb_io.cdb_bytes[8], 1357 csio->cdb_io.cdb_bytes[9], 1358 ocb->ccb->ccb_h.flags & CAM_DIR_MASK, 1359 csio->cdb_len, csio->dxfer_len, 1360 csio->sense_len); 1361 } 1362 1363 static void 1364 sbp_scsi_status(struct sbp_status *sbp_status, struct sbp_ocb *ocb) 1365 { 1366 struct sbp_cmd_status *sbp_cmd_status; 1367 struct scsi_sense_data *sense; 1368 1369 sbp_cmd_status = (struct sbp_cmd_status *)sbp_status->data; 1370 sense = &ocb->ccb->csio.sense_data; 1371 1372 SBP_DEBUG(0) 1373 sbp_print_scsi_cmd(ocb); 1374 /* XXX need decode status */ 1375 sbp_show_sdev_info(ocb->sdev, 2); 1376 printf("SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d\n", 1377 sbp_cmd_status->status, 1378 sbp_cmd_status->sfmt, 1379 sbp_cmd_status->valid, 1380 sbp_cmd_status->s_key, 1381 sbp_cmd_status->s_code, 1382 sbp_cmd_status->s_qlfr, 1383 sbp_status->len 1384 ); 1385 END_DEBUG 1386 1387 switch (sbp_cmd_status->status) { 1388 case SCSI_STATUS_CHECK_COND: 1389 case SCSI_STATUS_BUSY: 1390 case SCSI_STATUS_CMD_TERMINATED: 1391 if(sbp_cmd_status->sfmt == SBP_SFMT_CURR){ 1392 sense->error_code = SSD_CURRENT_ERROR; 1393 }else{ 1394 sense->error_code = SSD_DEFERRED_ERROR; 1395 } 1396 if(sbp_cmd_status->valid) 1397 sense->error_code |= SSD_ERRCODE_VALID; 1398 sense->flags = sbp_cmd_status->s_key; 1399 if(sbp_cmd_status->mark) 1400 sense->flags |= SSD_FILEMARK; 1401 if(sbp_cmd_status->eom) 1402 sense->flags |= SSD_EOM; 1403 if(sbp_cmd_status->ill_len) 1404 sense->flags |= SSD_ILI; 1405 sense->info[0] = ntohl(sbp_cmd_status->info) & 0xff; 1406 sense->info[1] =(ntohl(sbp_cmd_status->info) >> 8) & 0xff; 1407 sense->info[2] =(ntohl(sbp_cmd_status->info) >> 16) & 0xff; 1408 sense->info[3] =(ntohl(sbp_cmd_status->info) >> 24) & 0xff; 1409 if (sbp_status->len <= 1) 1410 /* XXX not scsi status. shouldn't be happened */ 1411 sense->extra_len = 0; 1412 else if (sbp_status->len <= 4) 1413 /* add_sense_code(_qual), info, cmd_spec_info */ 1414 sense->extra_len = 6; 1415 else 1416 /* fru, sense_key_spec */ 1417 sense->extra_len = 10; 1418 sense->cmd_spec_info[0] = ntohl(sbp_cmd_status->cdb) & 0xff; 1419 sense->cmd_spec_info[1] = (ntohl(sbp_cmd_status->cdb) >> 8) & 0xff; 1420 sense->cmd_spec_info[2] = (ntohl(sbp_cmd_status->cdb) >> 16) & 0xff; 1421 sense->cmd_spec_info[3] = (ntohl(sbp_cmd_status->cdb) >> 24) & 0xff; 1422 sense->add_sense_code = sbp_cmd_status->s_code; 1423 sense->add_sense_code_qual = sbp_cmd_status->s_qlfr; 1424 sense->fru = sbp_cmd_status->fru; 1425 sense->sense_key_spec[0] = ntohl(sbp_cmd_status->s_keydep) & 0xff; 1426 sense->sense_key_spec[1] = (ntohl(sbp_cmd_status->s_keydep) >>8) & 0xff; 1427 sense->sense_key_spec[2] = (ntohl(sbp_cmd_status->s_keydep) >>16) & 0xff; 1428 1429 ocb->ccb->csio.scsi_status = sbp_cmd_status->status;; 1430 ocb->ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR 1431 | CAM_AUTOSNS_VALID; 1432 /* 1433 { 1434 u_int8_t j, *tmp; 1435 tmp = sense; 1436 for( j = 0 ; j < 32 ; j+=8){ 1437 printf("sense %02x%02x %02x%02x %02x%02x %02x%02x\n", 1438 tmp[j], tmp[j+1], tmp[j+2], tmp[j+3], 1439 tmp[j+4], tmp[j+5], tmp[j+6], tmp[j+7]); 1440 } 1441 1442 } 1443 */ 1444 break; 1445 default: 1446 sbp_show_sdev_info(ocb->sdev, 2); 1447 printf("sbp_scsi_status: unknown scsi status 0x%x\n", 1448 sbp_cmd_status->status); 1449 } 1450 } 1451 1452 static void 1453 sbp_fix_inq_data(struct sbp_ocb *ocb) 1454 { 1455 union ccb *ccb; 1456 struct sbp_dev *sdev; 1457 struct scsi_inquiry_data *inq; 1458 1459 ccb = ocb->ccb; 1460 sdev = ocb->sdev; 1461 1462 if (ccb->csio.cdb_io.cdb_bytes[1] & SI_EVPD) 1463 return; 1464 SBP_DEBUG(1) 1465 sbp_show_sdev_info(sdev, 2); 1466 printf("sbp_fix_inq_data\n"); 1467 END_DEBUG 1468 inq = (struct scsi_inquiry_data *) ccb->csio.data_ptr; 1469 switch (SID_TYPE(inq)) { 1470 case T_DIRECT: 1471 /* 1472 * XXX Convert Direct Access device to RBC. 1473 * I've never seen FireWire DA devices which support READ_6. 1474 */ 1475 #if 1 1476 if (SID_TYPE(inq) == T_DIRECT) 1477 inq->device |= T_RBC; /* T_DIRECT == 0 */ 1478 #endif 1479 /* fall through */ 1480 case T_RBC: 1481 /* enable tag queuing */ 1482 #if 1 1483 inq->flags |= SID_CmdQue; 1484 #endif 1485 /* 1486 * Override vendor/product/revision information. 1487 * Some devices sometimes return strange strings. 1488 */ 1489 #if 1 1490 bcopy(sdev->vendor, inq->vendor, sizeof(inq->vendor)); 1491 bcopy(sdev->product, inq->product, sizeof(inq->product)); 1492 bcopy(sdev->revision+2, inq->revision, sizeof(inq->revision)); 1493 #endif 1494 break; 1495 } 1496 } 1497 1498 static void 1499 sbp_recv1(struct fw_xfer *xfer) 1500 { 1501 struct fw_pkt *rfp; 1502 #if NEED_RESPONSE 1503 struct fw_pkt *sfp; 1504 #endif 1505 struct sbp_softc *sbp; 1506 struct sbp_dev *sdev; 1507 struct sbp_ocb *ocb; 1508 struct sbp_login_res *login_res = NULL; 1509 struct sbp_status *sbp_status; 1510 struct sbp_target *target; 1511 int orb_fun, status_valid0, status_valid, t, l, reset_agent = 0; 1512 u_int32_t addr; 1513 /* 1514 u_int32_t *ld; 1515 ld = xfer->recv.buf; 1516 printf("sbp %x %d %d %08x %08x %08x %08x\n", 1517 xfer->resp, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3])); 1518 printf("sbp %08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 1519 printf("sbp %08x %08x %08x %08x\n", ntohl(ld[8]), ntohl(ld[9]), ntohl(ld[10]), ntohl(ld[11])); 1520 */ 1521 1522 sbp = (struct sbp_softc *)xfer->sc; 1523 if(xfer->resp != 0){ 1524 printf("sbp_recv: xfer->resp != 0\n"); 1525 goto done0; 1526 } 1527 if(xfer->recv.buf == NULL){ 1528 printf("sbp_recv: xfer->recv.buf == NULL\n"); 1529 goto done0; 1530 } 1531 sbp = (struct sbp_softc *)xfer->sc; 1532 rfp = (struct fw_pkt *)xfer->recv.buf; 1533 if(rfp->mode.wreqb.tcode != FWTCODE_WREQB){ 1534 printf("sbp_recv: tcode = %d\n", rfp->mode.wreqb.tcode); 1535 goto done0; 1536 } 1537 sbp_status = (struct sbp_status *)rfp->mode.wreqb.payload; 1538 addr = rfp->mode.wreqb.dest_lo; 1539 SBP_DEBUG(2) 1540 printf("received address 0x%x\n", addr); 1541 END_DEBUG 1542 t = SBP_ADDR2TRG(addr); 1543 if (t >= SBP_NUM_TARGETS) { 1544 device_printf(sbp->fd.dev, 1545 "sbp_recv1: invalid target %d\n", t); 1546 goto done0; 1547 } 1548 target = &sbp->targets[t]; 1549 l = SBP_ADDR2LUN(addr); 1550 if (l >= target->num_lun) { 1551 device_printf(sbp->fd.dev, 1552 "sbp_recv1: invalid lun %d (target=%d)\n", l, t); 1553 goto done0; 1554 } 1555 sdev = &target->luns[l]; 1556 1557 ocb = NULL; 1558 switch (sbp_status->src) { 1559 case 0: 1560 case 1: 1561 /* check mgm_ocb_cur first */ 1562 ocb = target->mgm_ocb_cur; 1563 if (ocb != NULL) { 1564 if (OCB_MATCH(ocb, sbp_status)) { 1565 callout_stop(&target->mgm_ocb_timeout); 1566 target->mgm_ocb_cur = NULL; 1567 break; 1568 } 1569 } 1570 ocb = sbp_dequeue_ocb(sdev, sbp_status); 1571 if (ocb == NULL) { 1572 sbp_show_sdev_info(sdev, 2); 1573 #if __FreeBSD_version >= 500000 1574 printf("No ocb(%x) on the queue\n", 1575 #else 1576 printf("No ocb(%lx) on the queue\n", 1577 #endif 1578 ntohl(sbp_status->orb_lo)); 1579 } 1580 break; 1581 case 2: 1582 /* unsolicit */ 1583 sbp_show_sdev_info(sdev, 2); 1584 printf("unsolicit status received\n"); 1585 break; 1586 default: 1587 sbp_show_sdev_info(sdev, 2); 1588 printf("unknown sbp_status->src\n"); 1589 } 1590 1591 status_valid0 = (sbp_status->src < 2 1592 && sbp_status->resp == ORB_RES_CMPL 1593 && sbp_status->dead == 0); 1594 status_valid = (status_valid0 && sbp_status->status == 0); 1595 1596 if (!status_valid0 || debug > 1){ 1597 int status; 1598 SBP_DEBUG(0) 1599 sbp_show_sdev_info(sdev, 2); 1600 printf("ORB status src:%x resp:%x dead:%x" 1601 #if __FreeBSD_version >= 500000 1602 " len:%x stat:%x orb:%x%08x\n", 1603 #else 1604 " len:%x stat:%x orb:%x%08lx\n", 1605 #endif 1606 sbp_status->src, sbp_status->resp, sbp_status->dead, 1607 sbp_status->len, sbp_status->status, 1608 ntohs(sbp_status->orb_hi), ntohl(sbp_status->orb_lo)); 1609 END_DEBUG 1610 sbp_show_sdev_info(sdev, 2); 1611 status = sbp_status->status; 1612 switch(sbp_status->resp) { 1613 case 0: 1614 if (status > MAX_ORB_STATUS0) 1615 printf("%s\n", orb_status0[MAX_ORB_STATUS0]); 1616 else 1617 printf("%s\n", orb_status0[status]); 1618 break; 1619 case 1: 1620 printf("Obj: %s, Error: %s\n", 1621 orb_status1_object[(status>>6) & 3], 1622 orb_status1_serial_bus_error[status & 0xf]); 1623 break; 1624 case 2: 1625 printf("Illegal request\n"); 1626 break; 1627 case 3: 1628 printf("Vendor dependent\n"); 1629 break; 1630 default: 1631 printf("unknown respose code %d\n", sbp_status->resp); 1632 } 1633 } 1634 1635 /* we have to reset the fetch agent if it's dead */ 1636 if (sbp_status->dead) { 1637 if (sdev->path) { 1638 xpt_freeze_devq(sdev->path, 1); 1639 sdev->freeze ++; 1640 } 1641 reset_agent = 1; 1642 } 1643 1644 if (ocb == NULL) 1645 goto done; 1646 1647 switch(ntohl(ocb->orb[4]) & ORB_FMT_MSK){ 1648 case ORB_FMT_NOP: 1649 break; 1650 case ORB_FMT_VED: 1651 break; 1652 case ORB_FMT_STD: 1653 switch(ocb->flags) { 1654 case OCB_ACT_MGM: 1655 orb_fun = ntohl(ocb->orb[4]) & ORB_FUN_MSK; 1656 switch(orb_fun) { 1657 case ORB_FUN_LGI: 1658 fwdma_sync(&sdev->dma, BUS_DMASYNC_POSTREAD); 1659 login_res = sdev->login; 1660 login_res->len = ntohs(login_res->len); 1661 login_res->id = ntohs(login_res->id); 1662 login_res->cmd_hi = ntohs(login_res->cmd_hi); 1663 login_res->cmd_lo = ntohl(login_res->cmd_lo); 1664 if (status_valid) { 1665 SBP_DEBUG(0) 1666 sbp_show_sdev_info(sdev, 2); 1667 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)); 1668 END_DEBUG 1669 sbp_busy_timeout(sdev); 1670 } else { 1671 /* forgot logout? */ 1672 sbp_show_sdev_info(sdev, 2); 1673 printf("login failed\n"); 1674 sdev->status = SBP_DEV_RESET; 1675 } 1676 break; 1677 case ORB_FUN_RCN: 1678 login_res = sdev->login; 1679 if (status_valid) { 1680 SBP_DEBUG(0) 1681 sbp_show_sdev_info(sdev, 2); 1682 printf("reconnect: len %d, ID %d, cmd %08x%08x\n", login_res->len, login_res->id, login_res->cmd_hi, login_res->cmd_lo); 1683 END_DEBUG 1684 #if 1 1685 if (sdev->status == SBP_DEV_ATTACHED) 1686 sbp_scan_dev(sdev); 1687 else 1688 sbp_agent_reset(sdev); 1689 #else 1690 sdev->status = SBP_DEV_ATTACHED; 1691 sbp_mgm_orb(sdev, ORB_FUN_ATS, NULL); 1692 #endif 1693 } else { 1694 /* reconnection hold time exceed? */ 1695 SBP_DEBUG(0) 1696 sbp_show_sdev_info(sdev, 2); 1697 printf("reconnect failed\n"); 1698 END_DEBUG 1699 sbp_login(sdev); 1700 } 1701 break; 1702 case ORB_FUN_LGO: 1703 sdev->status = SBP_DEV_RESET; 1704 break; 1705 case ORB_FUN_RST: 1706 sbp_busy_timeout(sdev); 1707 break; 1708 case ORB_FUN_LUR: 1709 case ORB_FUN_ATA: 1710 case ORB_FUN_ATS: 1711 sbp_agent_reset(sdev); 1712 break; 1713 default: 1714 sbp_show_sdev_info(sdev, 2); 1715 printf("unknown function %d\n", orb_fun); 1716 break; 1717 } 1718 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 1719 break; 1720 case OCB_ACT_CMD: 1721 sdev->timeout = 0; 1722 if(ocb->ccb != NULL){ 1723 union ccb *ccb; 1724 /* 1725 u_int32_t *ld; 1726 ld = ocb->ccb->csio.data_ptr; 1727 if(ld != NULL && ocb->ccb->csio.dxfer_len != 0) 1728 printf("ptr %08x %08x %08x %08x\n", ld[0], ld[1], ld[2], ld[3]); 1729 else 1730 printf("ptr NULL\n"); 1731 printf("len %d\n", sbp_status->len); 1732 */ 1733 ccb = ocb->ccb; 1734 if(sbp_status->len > 1){ 1735 sbp_scsi_status(sbp_status, ocb); 1736 }else{ 1737 if(sbp_status->resp != ORB_RES_CMPL){ 1738 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1739 }else{ 1740 ccb->ccb_h.status = CAM_REQ_CMP; 1741 } 1742 } 1743 /* fix up inq data */ 1744 if (ccb->csio.cdb_io.cdb_bytes[0] == INQUIRY) 1745 sbp_fix_inq_data(ocb); 1746 xpt_done(ccb); 1747 } 1748 break; 1749 default: 1750 break; 1751 } 1752 } 1753 1754 sbp_free_ocb(sdev, ocb); 1755 done: 1756 if (reset_agent) 1757 sbp_agent_reset(sdev); 1758 1759 done0: 1760 /* The received packet is usually small enough to be stored within 1761 * the buffer. In that case, the controller return ack_complete and 1762 * no respose is necessary. 1763 * 1764 * XXX fwohci.c and firewire.c should inform event_code such as 1765 * ack_complete or ack_pending to upper driver. 1766 */ 1767 #if NEED_RESPONSE 1768 xfer->send.off = 0; 1769 sfp = (struct fw_pkt *)xfer->send.buf; 1770 sfp->mode.wres.dst = rfp->mode.wreqb.src; 1771 xfer->dst = sfp->mode.wres.dst; 1772 xfer->spd = min(sdev->target->fwdev->speed, max_speed); 1773 xfer->act.hand = sbp_loginres_callback; 1774 xfer->retry_req = fw_asybusy; 1775 1776 sfp->mode.wres.tlrt = rfp->mode.wreqb.tlrt; 1777 sfp->mode.wres.tcode = FWTCODE_WRES; 1778 sfp->mode.wres.rtcode = 0; 1779 sfp->mode.wres.pri = 0; 1780 1781 fw_asyreq(xfer->fc, -1, xfer); 1782 #else 1783 /* recycle */ 1784 xfer->recv.len = SBP_RECV_LEN; 1785 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link); 1786 #endif 1787 1788 return; 1789 1790 } 1791 1792 static void 1793 sbp_recv(struct fw_xfer *xfer) 1794 { 1795 int s; 1796 1797 s = splcam(); 1798 sbp_recv1(xfer); 1799 splx(s); 1800 } 1801 /* 1802 * sbp_attach() 1803 */ 1804 static int 1805 sbp_attach(device_t dev) 1806 { 1807 struct sbp_softc *sbp; 1808 struct cam_devq *devq; 1809 struct fw_xfer *xfer; 1810 int i, s, error; 1811 1812 SBP_DEBUG(0) 1813 printf("sbp_attach (cold=%d)\n", cold); 1814 END_DEBUG 1815 1816 if (cold) 1817 sbp_cold ++; 1818 sbp = ((struct sbp_softc *)device_get_softc(dev)); 1819 bzero(sbp, sizeof(struct sbp_softc)); 1820 sbp->fd.dev = dev; 1821 sbp->fd.fc = device_get_ivars(dev); 1822 error = bus_dma_tag_create(/*parent*/sbp->fd.fc->dmat, 1823 /* XXX shoud be 4 for sane backend? */ 1824 /*alignment*/1, 1825 /*boundary*/0, 1826 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, 1827 /*highaddr*/BUS_SPACE_MAXADDR, 1828 /*filter*/NULL, /*filterarg*/NULL, 1829 /*maxsize*/0x100000, /*nsegments*/SBP_IND_MAX, 1830 /*maxsegsz*/SBP_SEG_MAX, 1831 /*flags*/BUS_DMA_ALLOCNOW, 1832 &sbp->dmat); 1833 if (error != 0) { 1834 printf("sbp_attach: Could not allocate DMA tag " 1835 "- error %d\n", error); 1836 return (ENOMEM); 1837 } 1838 1839 devq = cam_simq_alloc(/*maxopenings*/SBP_NUM_OCB); 1840 if (devq == NULL) 1841 return (ENXIO); 1842 1843 for( i = 0 ; i < SBP_NUM_TARGETS ; i++){ 1844 sbp->targets[i].fwdev = NULL; 1845 sbp->targets[i].luns = NULL; 1846 } 1847 1848 sbp->sim = cam_sim_alloc(sbp_action, sbp_poll, "sbp", sbp, 1849 device_get_unit(dev), 1850 /*untagged*/ 1, 1851 /*tagged*/ SBP_QUEUE_LEN, 1852 devq); 1853 1854 if (sbp->sim == NULL) { 1855 cam_simq_free(devq); 1856 return (ENXIO); 1857 } 1858 1859 1860 if (xpt_bus_register(sbp->sim, /*bus*/0) != CAM_SUCCESS) 1861 goto fail; 1862 1863 if (xpt_create_path(&sbp->path, xpt_periph, cam_sim_path(sbp->sim), 1864 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) 1865 goto fail; 1866 1867 sbp->fwb.start_hi = SBP_BIND_HI; 1868 sbp->fwb.start_lo = SBP_DEV2ADDR(device_get_unit(sbp->fd.dev), 0, 0); 1869 /* We reserve 16 bit space (4 bytes X 64 targets X 256 luns) */ 1870 sbp->fwb.addrlen = 0xffff; 1871 sbp->fwb.act_type = FWACT_XFER; 1872 /* pre-allocate xfer */ 1873 STAILQ_INIT(&sbp->fwb.xferlist); 1874 for (i = 0; i < SBP_NUM_OCB/2; i ++) { 1875 xfer = fw_xfer_alloc_buf(M_SBP, 1876 #if NEED_RESPONSE 1877 /* send */12, 1878 #else 1879 /* send */0, 1880 #endif 1881 /* recv */SBP_RECV_LEN); 1882 xfer->act.hand = sbp_recv; 1883 #if NEED_RESPONSE 1884 xfer->fc = sbp->fd.fc; 1885 #endif 1886 xfer->sc = (caddr_t)sbp; 1887 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link); 1888 } 1889 fw_bindadd(sbp->fd.fc, &sbp->fwb); 1890 1891 sbp->fd.post_busreset = sbp_post_busreset; 1892 sbp->fd.post_explore = sbp_post_explore; 1893 1894 if (sbp->fd.fc->status != -1) { 1895 s = splfw(); 1896 sbp_post_explore((void *)sbp); 1897 splx(s); 1898 } 1899 1900 return (0); 1901 fail: 1902 cam_sim_free(sbp->sim, /*free_devq*/TRUE); 1903 return (ENXIO); 1904 } 1905 1906 static int 1907 sbp_logout_all(struct sbp_softc *sbp) 1908 { 1909 struct sbp_target *target; 1910 struct sbp_dev *sdev; 1911 int i, j; 1912 1913 SBP_DEBUG(0) 1914 printf("sbp_logout_all\n"); 1915 END_DEBUG 1916 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) { 1917 target = &sbp->targets[i]; 1918 if (target->luns == NULL) 1919 continue; 1920 for (j = 0; j < target->num_lun; j++) { 1921 sdev = &target->luns[j]; 1922 callout_stop(&sdev->login_callout); 1923 if (sdev->status >= SBP_DEV_TOATTACH && 1924 sdev->status <= SBP_DEV_ATTACHED) 1925 sbp_mgm_orb(sdev, ORB_FUN_LGO, NULL); 1926 } 1927 } 1928 1929 return 0; 1930 } 1931 1932 static int 1933 sbp_shutdown(device_t dev) 1934 { 1935 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 1936 1937 sbp_logout_all(sbp); 1938 return (0); 1939 } 1940 1941 static int 1942 sbp_detach(device_t dev) 1943 { 1944 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 1945 struct firewire_comm *fc = sbp->fd.fc; 1946 struct sbp_target *target; 1947 struct sbp_dev *sdev; 1948 struct fw_xfer *xfer, *next; 1949 int i, j; 1950 1951 SBP_DEBUG(0) 1952 printf("sbp_detach\n"); 1953 END_DEBUG 1954 1955 for (i = 0; i < SBP_NUM_TARGETS; i ++) 1956 sbp_cam_detach_target(&sbp->targets[i]); 1957 xpt_free_path(sbp->path); 1958 xpt_bus_deregister(cam_sim_path(sbp->sim)); 1959 1960 sbp_logout_all(sbp); 1961 1962 /* XXX wait for logout completion */ 1963 tsleep(&i, FWPRI, "sbpdtc", hz/2); 1964 1965 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) { 1966 target = &sbp->targets[i]; 1967 if (target->luns == NULL) 1968 continue; 1969 callout_stop(&target->mgm_ocb_timeout); 1970 for (j = 0; j < target->num_lun; j++) { 1971 sdev = &target->luns[j]; 1972 if (sdev->status != SBP_DEV_DEAD) { 1973 for (i = 0; i < SBP_QUEUE_LEN; i++) 1974 bus_dmamap_destroy(sbp->dmat, 1975 sdev->ocb[i].dmamap); 1976 fwdma_free(sbp->fd.fc, &sdev->dma); 1977 } 1978 } 1979 for (xfer = STAILQ_FIRST(&target->xferlist); 1980 xfer != NULL; xfer = next) { 1981 next = STAILQ_NEXT(xfer, link); 1982 fw_xfer_free(xfer); 1983 } 1984 free(target->luns, M_SBP); 1985 } 1986 1987 for (xfer = STAILQ_FIRST(&sbp->fwb.xferlist); 1988 xfer != NULL; xfer = next) { 1989 next = STAILQ_NEXT(xfer, link); 1990 fw_xfer_free(xfer); 1991 } 1992 STAILQ_INIT(&sbp->fwb.xferlist); 1993 fw_bindremove(fc, &sbp->fwb); 1994 1995 bus_dma_tag_destroy(sbp->dmat); 1996 1997 return (0); 1998 } 1999 2000 static void 2001 sbp_cam_detach_target(struct sbp_target *target) 2002 { 2003 struct sbp_dev *sdev; 2004 int i; 2005 2006 if (target->luns != NULL) { 2007 SBP_DEBUG(0) 2008 printf("sbp_detach_target %d\n", target->target_id); 2009 END_DEBUG 2010 callout_stop(&target->scan_callout); 2011 for (i = 0; i < target->num_lun; i++) { 2012 sdev = &target->luns[i]; 2013 if (sdev->status == SBP_DEV_DEAD) 2014 continue; 2015 if (sdev->status == SBP_DEV_RESET) 2016 continue; 2017 if (sdev->path) { 2018 xpt_release_devq(sdev->path, 2019 sdev->freeze, TRUE); 2020 sdev->freeze = 0; 2021 xpt_async(AC_LOST_DEVICE, sdev->path, NULL); 2022 xpt_free_path(sdev->path); 2023 sdev->path = NULL; 2024 } 2025 sbp_abort_all_ocbs(sdev, CAM_DEV_NOT_THERE); 2026 } 2027 } 2028 } 2029 2030 static void 2031 sbp_target_reset(struct sbp_dev *sdev, int method) 2032 { 2033 int i; 2034 struct sbp_target *target = sdev->target; 2035 struct sbp_dev *tsdev; 2036 2037 for (i = 0; i < target->num_lun; i++) { 2038 tsdev = &target->luns[i]; 2039 if (tsdev->status == SBP_DEV_DEAD) 2040 continue; 2041 if (tsdev->status == SBP_DEV_RESET) 2042 continue; 2043 xpt_freeze_devq(tsdev->path, 1); 2044 tsdev->freeze ++; 2045 sbp_abort_all_ocbs(tsdev, CAM_CMD_TIMEOUT); 2046 if (method == 2) 2047 tsdev->status = SBP_DEV_LOGIN; 2048 } 2049 switch(method) { 2050 case 1: 2051 printf("target reset\n"); 2052 sbp_mgm_orb(sdev, ORB_FUN_RST, NULL); 2053 break; 2054 case 2: 2055 printf("reset start\n"); 2056 sbp_reset_start(sdev); 2057 break; 2058 } 2059 2060 } 2061 2062 static void 2063 sbp_mgm_timeout(void *arg) 2064 { 2065 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 2066 struct sbp_dev *sdev = ocb->sdev; 2067 struct sbp_target *target = sdev->target; 2068 2069 sbp_show_sdev_info(sdev, 2); 2070 printf("management ORB timeout\n"); 2071 target->mgm_ocb_cur = NULL; 2072 sbp_free_ocb(sdev, ocb); 2073 #if 0 2074 /* XXX */ 2075 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 2076 #endif 2077 #if 0 2078 sbp_reset_start(sdev); 2079 #endif 2080 } 2081 2082 static void 2083 sbp_timeout(void *arg) 2084 { 2085 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 2086 struct sbp_dev *sdev = ocb->sdev; 2087 2088 sbp_show_sdev_info(sdev, 2); 2089 printf("request timeout ... "); 2090 2091 sdev->timeout ++; 2092 switch(sdev->timeout) { 2093 case 1: 2094 printf("agent reset\n"); 2095 xpt_freeze_devq(sdev->path, 1); 2096 sdev->freeze ++; 2097 sbp_abort_all_ocbs(sdev, CAM_CMD_TIMEOUT); 2098 sbp_agent_reset(sdev); 2099 break; 2100 case 2: 2101 case 3: 2102 sbp_target_reset(sdev, sdev->timeout - 1); 2103 break; 2104 #if 0 2105 default: 2106 /* XXX give up */ 2107 sbp_cam_detach_target(target); 2108 if (target->luns != NULL) 2109 free(target->luns, M_SBP); 2110 target->num_lun = 0;; 2111 target->luns = NULL; 2112 target->fwdev = NULL; 2113 #endif 2114 } 2115 } 2116 2117 static void 2118 sbp_action1(struct cam_sim *sim, union ccb *ccb) 2119 { 2120 2121 struct sbp_softc *sbp = (struct sbp_softc *)sim->softc; 2122 struct sbp_target *target = NULL; 2123 struct sbp_dev *sdev = NULL; 2124 2125 /* target:lun -> sdev mapping */ 2126 if (sbp != NULL 2127 && ccb->ccb_h.target_id != CAM_TARGET_WILDCARD 2128 && ccb->ccb_h.target_id < SBP_NUM_TARGETS) { 2129 target = &sbp->targets[ccb->ccb_h.target_id]; 2130 if (target->fwdev != NULL 2131 && ccb->ccb_h.target_lun != CAM_LUN_WILDCARD 2132 && ccb->ccb_h.target_lun < target->num_lun) { 2133 sdev = &target->luns[ccb->ccb_h.target_lun]; 2134 if (sdev->status != SBP_DEV_ATTACHED && 2135 sdev->status != SBP_DEV_PROBE) 2136 sdev = NULL; 2137 } 2138 } 2139 2140 SBP_DEBUG(1) 2141 if (sdev == NULL) 2142 printf("invalid target %d lun %d\n", 2143 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2144 END_DEBUG 2145 2146 switch (ccb->ccb_h.func_code) { 2147 case XPT_SCSI_IO: 2148 case XPT_RESET_DEV: 2149 case XPT_GET_TRAN_SETTINGS: 2150 case XPT_SET_TRAN_SETTINGS: 2151 case XPT_CALC_GEOMETRY: 2152 if (sdev == NULL) { 2153 SBP_DEBUG(1) 2154 printf("%s:%d:%d:func_code 0x%04x: " 2155 "Invalid target (target needed)\n", 2156 device_get_nameunit(sbp->fd.dev), 2157 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2158 ccb->ccb_h.func_code); 2159 END_DEBUG 2160 2161 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2162 xpt_done(ccb); 2163 return; 2164 } 2165 break; 2166 case XPT_PATH_INQ: 2167 case XPT_NOOP: 2168 /* The opcodes sometimes aimed at a target (sc is valid), 2169 * sometimes aimed at the SIM (sc is invalid and target is 2170 * CAM_TARGET_WILDCARD) 2171 */ 2172 if (sbp == NULL && 2173 ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) { 2174 SBP_DEBUG(0) 2175 printf("%s:%d:%d func_code 0x%04x: " 2176 "Invalid target (no wildcard)\n", 2177 device_get_nameunit(sbp->fd.dev), 2178 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2179 ccb->ccb_h.func_code); 2180 END_DEBUG 2181 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2182 xpt_done(ccb); 2183 return; 2184 } 2185 break; 2186 default: 2187 /* XXX Hm, we should check the input parameters */ 2188 break; 2189 } 2190 2191 switch (ccb->ccb_h.func_code) { 2192 case XPT_SCSI_IO: 2193 { 2194 struct ccb_scsiio *csio; 2195 struct sbp_ocb *ocb; 2196 int speed; 2197 void *cdb; 2198 2199 csio = &ccb->csio; 2200 2201 SBP_DEBUG(1) 2202 printf("%s:%d:%d XPT_SCSI_IO: " 2203 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 2204 ", flags: 0x%02x, " 2205 "%db cmd/%db data/%db sense\n", 2206 device_get_nameunit(sbp->fd.dev), 2207 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2208 csio->cdb_io.cdb_bytes[0], 2209 csio->cdb_io.cdb_bytes[1], 2210 csio->cdb_io.cdb_bytes[2], 2211 csio->cdb_io.cdb_bytes[3], 2212 csio->cdb_io.cdb_bytes[4], 2213 csio->cdb_io.cdb_bytes[5], 2214 csio->cdb_io.cdb_bytes[6], 2215 csio->cdb_io.cdb_bytes[7], 2216 csio->cdb_io.cdb_bytes[8], 2217 csio->cdb_io.cdb_bytes[9], 2218 ccb->ccb_h.flags & CAM_DIR_MASK, 2219 csio->cdb_len, csio->dxfer_len, 2220 csio->sense_len); 2221 END_DEBUG 2222 if(sdev == NULL){ 2223 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2224 xpt_done(ccb); 2225 return; 2226 } 2227 #if 0 2228 /* if we are in probe stage, pass only probe commands */ 2229 if (sdev->status == SBP_DEV_PROBE) { 2230 char *name; 2231 name = xpt_path_periph(ccb->ccb_h.path)->periph_name; 2232 printf("probe stage, periph name: %s\n", name); 2233 if (strcmp(name, "probe") != 0) { 2234 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2235 xpt_done(ccb); 2236 return; 2237 } 2238 } 2239 #endif 2240 if ((ocb = sbp_get_ocb(sdev)) == NULL) 2241 return; 2242 2243 ocb->flags = OCB_ACT_CMD; 2244 ocb->sdev = sdev; 2245 ocb->ccb = ccb; 2246 ccb->ccb_h.ccb_sdev_ptr = sdev; 2247 ocb->orb[0] = htonl(1 << 31); 2248 ocb->orb[1] = 0; 2249 ocb->orb[2] = htonl(((sbp->fd.fc->nodeid | FWLOCALBUS )<< 16) ); 2250 ocb->orb[3] = htonl(ocb->bus_addr + IND_PTR_OFFSET); 2251 speed = min(target->fwdev->speed, max_speed); 2252 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_CMD_SPD(speed) 2253 | ORB_CMD_MAXP(speed + 7)); 2254 if((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN){ 2255 ocb->orb[4] |= htonl(ORB_CMD_IN); 2256 } 2257 2258 if (csio->ccb_h.flags & CAM_SCATTER_VALID) 2259 printf("sbp: CAM_SCATTER_VALID\n"); 2260 if (csio->ccb_h.flags & CAM_DATA_PHYS) 2261 printf("sbp: CAM_DATA_PHYS\n"); 2262 2263 if (csio->ccb_h.flags & CAM_CDB_POINTER) 2264 cdb = (void *)csio->cdb_io.cdb_ptr; 2265 else 2266 cdb = (void *)&csio->cdb_io.cdb_bytes; 2267 bcopy(cdb, 2268 (void *)(uintptr_t)(volatile void *)&ocb->orb[5], 2269 csio->cdb_len); 2270 /* 2271 printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[0]), ntohl(ocb->orb[1]), ntohl(ocb->orb[2]), ntohl(ocb->orb[3])); 2272 printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[4]), ntohl(ocb->orb[5]), ntohl(ocb->orb[6]), ntohl(ocb->orb[7])); 2273 */ 2274 if (ccb->csio.dxfer_len > 0) { 2275 int s, error; 2276 2277 s = splsoftvm(); 2278 error = bus_dmamap_load(/*dma tag*/sbp->dmat, 2279 /*dma map*/ocb->dmamap, 2280 ccb->csio.data_ptr, 2281 ccb->csio.dxfer_len, 2282 sbp_execute_ocb, 2283 ocb, 2284 /*flags*/0); 2285 splx(s); 2286 if (error) 2287 printf("sbp: bus_dmamap_load error %d\n", error); 2288 } else 2289 sbp_execute_ocb(ocb, NULL, 0, 0); 2290 break; 2291 } 2292 case XPT_CALC_GEOMETRY: 2293 { 2294 struct ccb_calc_geometry *ccg; 2295 u_int32_t size_mb; 2296 u_int32_t secs_per_cylinder; 2297 int extended = 1; 2298 ccg = &ccb->ccg; 2299 2300 if (ccg->block_size == 0) { 2301 printf("sbp_action1: block_size is 0.\n"); 2302 ccb->ccb_h.status = CAM_REQ_INVALID; 2303 xpt_done(ccb); 2304 break; 2305 } 2306 SBP_DEBUG(1) 2307 printf("%s:%d:%d:%d:XPT_CALC_GEOMETRY: " 2308 #if __FreeBSD_version >= 500000 2309 "Volume size = %jd\n", 2310 #else 2311 "Volume size = %d\n", 2312 #endif 2313 device_get_nameunit(sbp->fd.dev), 2314 cam_sim_path(sbp->sim), 2315 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2316 #if __FreeBSD_version >= 500000 2317 (uintmax_t) 2318 #endif 2319 ccg->volume_size); 2320 END_DEBUG 2321 2322 size_mb = ccg->volume_size 2323 / ((1024L * 1024L) / ccg->block_size); 2324 2325 if (size_mb >= 1024 && extended) { 2326 ccg->heads = 255; 2327 ccg->secs_per_track = 63; 2328 } else { 2329 ccg->heads = 64; 2330 ccg->secs_per_track = 32; 2331 } 2332 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 2333 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 2334 ccb->ccb_h.status = CAM_REQ_CMP; 2335 xpt_done(ccb); 2336 break; 2337 } 2338 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 2339 { 2340 2341 SBP_DEBUG(1) 2342 printf("%s:%d:XPT_RESET_BUS: \n", 2343 device_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim)); 2344 END_DEBUG 2345 2346 ccb->ccb_h.status = CAM_REQ_INVALID; 2347 xpt_done(ccb); 2348 break; 2349 } 2350 case XPT_PATH_INQ: /* Path routing inquiry */ 2351 { 2352 struct ccb_pathinq *cpi = &ccb->cpi; 2353 2354 SBP_DEBUG(1) 2355 printf("%s:%d:%d XPT_PATH_INQ:.\n", 2356 device_get_nameunit(sbp->fd.dev), 2357 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2358 END_DEBUG 2359 cpi->version_num = 1; /* XXX??? */ 2360 cpi->hba_inquiry = PI_TAG_ABLE; 2361 cpi->target_sprt = 0; 2362 cpi->hba_misc = PIM_NOBUSRESET; 2363 cpi->hba_eng_cnt = 0; 2364 cpi->max_target = SBP_NUM_TARGETS - 1; 2365 cpi->max_lun = SBP_NUM_LUNS - 1; 2366 cpi->initiator_id = SBP_INITIATOR; 2367 cpi->bus_id = sim->bus_id; 2368 cpi->base_transfer_speed = 400 * 1000 / 8; 2369 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 2370 strncpy(cpi->hba_vid, "SBP", HBA_IDLEN); 2371 strncpy(cpi->dev_name, sim->sim_name, DEV_IDLEN); 2372 cpi->unit_number = sim->unit_number; 2373 2374 cpi->ccb_h.status = CAM_REQ_CMP; 2375 xpt_done(ccb); 2376 break; 2377 } 2378 case XPT_GET_TRAN_SETTINGS: 2379 { 2380 struct ccb_trans_settings *cts = &ccb->cts; 2381 SBP_DEBUG(1) 2382 printf("%s:%d:%d XPT_GET_TRAN_SETTINGS:.\n", 2383 device_get_nameunit(sbp->fd.dev), 2384 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2385 END_DEBUG 2386 /* Enable disconnect and tagged queuing */ 2387 cts->valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID; 2388 cts->flags = CCB_TRANS_DISC_ENB | CCB_TRANS_TAG_ENB; 2389 2390 cts->ccb_h.status = CAM_REQ_CMP; 2391 xpt_done(ccb); 2392 break; 2393 } 2394 case XPT_ABORT: 2395 ccb->ccb_h.status = CAM_UA_ABORT; 2396 xpt_done(ccb); 2397 break; 2398 case XPT_SET_TRAN_SETTINGS: 2399 /* XXX */ 2400 default: 2401 ccb->ccb_h.status = CAM_REQ_INVALID; 2402 xpt_done(ccb); 2403 break; 2404 } 2405 return; 2406 } 2407 2408 static void 2409 sbp_action(struct cam_sim *sim, union ccb *ccb) 2410 { 2411 int s; 2412 2413 s = splfw(); 2414 sbp_action1(sim, ccb); 2415 splx(s); 2416 } 2417 2418 static void 2419 sbp_execute_ocb(void *arg, bus_dma_segment_t *segments, int seg, int error) 2420 { 2421 int i; 2422 struct sbp_ocb *ocb; 2423 struct sbp_ocb *prev; 2424 bus_dma_segment_t *s; 2425 2426 if (error) 2427 printf("sbp_execute_ocb: error=%d\n", error); 2428 2429 ocb = (struct sbp_ocb *)arg; 2430 2431 SBP_DEBUG(1) 2432 printf("sbp_execute_ocb: seg %d", seg); 2433 for (i = 0; i < seg; i++) 2434 #if __FreeBSD_version >= 500000 2435 printf(", %jx:%jd", (uintmax_t)segments[i].ds_addr, 2436 (uintmax_t)segments[i].ds_len); 2437 #else 2438 printf(", %x:%d", segments[i].ds_addr, segments[i].ds_len); 2439 #endif 2440 printf("\n"); 2441 END_DEBUG 2442 2443 if (seg == 1) { 2444 /* direct pointer */ 2445 s = &segments[0]; 2446 if (s->ds_len > SBP_SEG_MAX) 2447 panic("ds_len > SBP_SEG_MAX, fix busdma code"); 2448 ocb->orb[3] = htonl(s->ds_addr); 2449 ocb->orb[4] |= htonl(s->ds_len); 2450 } else if(seg > 1) { 2451 /* page table */ 2452 for (i = 0; i < seg; i++) { 2453 s = &segments[i]; 2454 SBP_DEBUG(0) 2455 /* XXX LSI Logic "< 16 byte" bug might be hit */ 2456 if (s->ds_len < 16) 2457 printf("sbp_execute_ocb: warning, " 2458 #if __FreeBSD_version >= 500000 2459 "segment length(%zd) is less than 16." 2460 #else 2461 "segment length(%d) is less than 16." 2462 #endif 2463 "(seg=%d/%d)\n", s->ds_len, i+1, seg); 2464 END_DEBUG 2465 if (s->ds_len > SBP_SEG_MAX) 2466 panic("ds_len > SBP_SEG_MAX, fix busdma code"); 2467 ocb->ind_ptr[i].hi = htonl(s->ds_len << 16); 2468 ocb->ind_ptr[i].lo = htonl(s->ds_addr); 2469 } 2470 ocb->orb[4] |= htonl(ORB_CMD_PTBL | seg); 2471 } 2472 2473 if (seg > 0) 2474 bus_dmamap_sync(ocb->sdev->target->sbp->dmat, ocb->dmamap, 2475 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2476 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE); 2477 prev = sbp_enqueue_ocb(ocb->sdev, ocb); 2478 fwdma_sync(&ocb->sdev->dma, BUS_DMASYNC_PREWRITE); 2479 if (prev == NULL) 2480 sbp_orb_pointer(ocb->sdev, ocb); 2481 } 2482 2483 static void 2484 sbp_poll(struct cam_sim *sim) 2485 { 2486 /* should call fwohci_intr? */ 2487 return; 2488 } 2489 static struct sbp_ocb * 2490 sbp_dequeue_ocb(struct sbp_dev *sdev, struct sbp_status *sbp_status) 2491 { 2492 struct sbp_ocb *ocb; 2493 struct sbp_ocb *next; 2494 int s = splfw(), order = 0; 2495 int flags; 2496 2497 for (ocb = STAILQ_FIRST(&sdev->ocbs); ocb != NULL; ocb = next) { 2498 next = STAILQ_NEXT(ocb, ocb); 2499 flags = ocb->flags; 2500 SBP_DEBUG(1) 2501 sbp_show_sdev_info(sdev, 2); 2502 #if __FreeBSD_version >= 500000 2503 printf("orb: 0x%jx next: 0x%x, flags %x\n", 2504 (uintmax_t)ocb->bus_addr, 2505 #else 2506 printf("orb: 0x%x next: 0x%lx, flags %x\n", 2507 ocb->bus_addr, 2508 #endif 2509 ntohl(ocb->orb[1]), flags); 2510 END_DEBUG 2511 if (OCB_MATCH(ocb, sbp_status)) { 2512 /* found */ 2513 STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb); 2514 if (ocb->ccb != NULL) 2515 untimeout(sbp_timeout, (caddr_t)ocb, 2516 ocb->ccb->ccb_h.timeout_ch); 2517 if (ntohl(ocb->orb[4]) & 0xffff) { 2518 bus_dmamap_sync(sdev->target->sbp->dmat, 2519 ocb->dmamap, 2520 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2521 BUS_DMASYNC_POSTREAD : 2522 BUS_DMASYNC_POSTWRITE); 2523 bus_dmamap_unload(sdev->target->sbp->dmat, 2524 ocb->dmamap); 2525 } 2526 if (next != NULL && sbp_status->src == 1) 2527 sbp_orb_pointer(sdev, next); 2528 break; 2529 } else 2530 order ++; 2531 } 2532 splx(s); 2533 SBP_DEBUG(0) 2534 if (ocb && order > 0) { 2535 sbp_show_sdev_info(sdev, 2); 2536 printf("unordered execution order:%d\n", order); 2537 } 2538 END_DEBUG 2539 return (ocb); 2540 } 2541 2542 static struct sbp_ocb * 2543 sbp_enqueue_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 2544 { 2545 int s = splfw(); 2546 struct sbp_ocb *prev; 2547 2548 SBP_DEBUG(2) 2549 sbp_show_sdev_info(sdev, 2); 2550 #if __FreeBSD_version >= 500000 2551 printf("sbp_enqueue_ocb orb=0x%jx in physical memory\n", 2552 (uintmax_t)ocb->bus_addr); 2553 #else 2554 printf("sbp_enqueue_ocb orb=0x%x in physical memory\n", ocb->bus_addr); 2555 #endif 2556 END_DEBUG 2557 prev = STAILQ_LAST(&sdev->ocbs, sbp_ocb, ocb); 2558 STAILQ_INSERT_TAIL(&sdev->ocbs, ocb, ocb); 2559 2560 if (ocb->ccb != NULL) 2561 ocb->ccb->ccb_h.timeout_ch = timeout(sbp_timeout, (caddr_t)ocb, 2562 (ocb->ccb->ccb_h.timeout * hz) / 1000); 2563 2564 if (prev != NULL ) { 2565 SBP_DEBUG(1) 2566 #if __FreeBSD_version >= 500000 2567 printf("linking chain 0x%jx -> 0x%jx\n", 2568 (uintmax_t)prev->bus_addr, (uintmax_t)ocb->bus_addr); 2569 #else 2570 printf("linking chain 0x%x -> 0x%x\n", prev->bus_addr, ocb->bus_addr); 2571 #endif 2572 END_DEBUG 2573 prev->orb[1] = htonl(ocb->bus_addr); 2574 prev->orb[0] = 0; 2575 } 2576 splx(s); 2577 2578 return prev; 2579 } 2580 2581 static struct sbp_ocb * 2582 sbp_get_ocb(struct sbp_dev *sdev) 2583 { 2584 struct sbp_ocb *ocb; 2585 int s = splfw(); 2586 ocb = STAILQ_FIRST(&sdev->free_ocbs); 2587 if (ocb == NULL) { 2588 printf("ocb shortage!!!\n"); 2589 return NULL; 2590 } 2591 STAILQ_REMOVE_HEAD(&sdev->free_ocbs, ocb); 2592 splx(s); 2593 ocb->ccb = NULL; 2594 return (ocb); 2595 } 2596 2597 static void 2598 sbp_free_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 2599 { 2600 ocb->flags = 0; 2601 ocb->ccb = NULL; 2602 STAILQ_INSERT_TAIL(&sdev->free_ocbs, ocb, ocb); 2603 } 2604 2605 static void 2606 sbp_abort_ocb(struct sbp_ocb *ocb, int status) 2607 { 2608 struct sbp_dev *sdev; 2609 2610 sdev = ocb->sdev; 2611 SBP_DEBUG(0) 2612 sbp_show_sdev_info(sdev, 2); 2613 #if __FreeBSD_version >= 500000 2614 printf("sbp_abort_ocb 0x%jx\n", (uintmax_t)ocb->bus_addr); 2615 #else 2616 printf("sbp_abort_ocb 0x%x\n", ocb->bus_addr); 2617 #endif 2618 END_DEBUG 2619 SBP_DEBUG(1) 2620 if (ocb->ccb != NULL) 2621 sbp_print_scsi_cmd(ocb); 2622 END_DEBUG 2623 if (ntohl(ocb->orb[4]) & 0xffff) { 2624 bus_dmamap_sync(sdev->target->sbp->dmat, ocb->dmamap, 2625 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2626 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 2627 bus_dmamap_unload(sdev->target->sbp->dmat, ocb->dmamap); 2628 } 2629 if (ocb->ccb != NULL) { 2630 untimeout(sbp_timeout, (caddr_t)ocb, 2631 ocb->ccb->ccb_h.timeout_ch); 2632 ocb->ccb->ccb_h.status = status; 2633 xpt_done(ocb->ccb); 2634 } 2635 sbp_free_ocb(sdev, ocb); 2636 } 2637 2638 static void 2639 sbp_abort_all_ocbs(struct sbp_dev *sdev, int status) 2640 { 2641 int s; 2642 struct sbp_ocb *ocb, *next; 2643 STAILQ_HEAD(, sbp_ocb) temp; 2644 2645 s = splfw(); 2646 2647 bcopy(&sdev->ocbs, &temp, sizeof(temp)); 2648 STAILQ_INIT(&sdev->ocbs); 2649 for (ocb = STAILQ_FIRST(&temp); ocb != NULL; ocb = next) { 2650 next = STAILQ_NEXT(ocb, ocb); 2651 sbp_abort_ocb(ocb, status); 2652 } 2653 2654 splx(s); 2655 } 2656 2657 static devclass_t sbp_devclass; 2658 2659 static device_method_t sbp_methods[] = { 2660 /* device interface */ 2661 DEVMETHOD(device_identify, sbp_identify), 2662 DEVMETHOD(device_probe, sbp_probe), 2663 DEVMETHOD(device_attach, sbp_attach), 2664 DEVMETHOD(device_detach, sbp_detach), 2665 DEVMETHOD(device_shutdown, sbp_shutdown), 2666 2667 { 0, 0 } 2668 }; 2669 2670 static driver_t sbp_driver = { 2671 "sbp", 2672 sbp_methods, 2673 sizeof(struct sbp_softc), 2674 }; 2675 DRIVER_MODULE(sbp, firewire, sbp_driver, sbp_devclass, 0, 0); 2676 MODULE_VERSION(sbp, 1); 2677 MODULE_DEPEND(sbp, firewire, 1, 1, 1); 2678 MODULE_DEPEND(sbp, cam, 1, 1, 1); 2679