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 1.7 2004/01/14 07:13:27 joerg 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 <bus/cam/cam.h> 53 #include <bus/cam/cam_ccb.h> 54 #include <bus/cam/cam_sim.h> 55 #include <bus/cam/cam_xpt_sim.h> 56 #include <bus/cam/cam_debug.h> 57 #include <bus/cam/cam_periph.h> 58 59 #include <bus/cam/scsi/scsi_all.h> 60 #include <bus/cam/scsi/scsi_message.h> 61 #include <bus/cam/scsi/scsi_da.h> 62 63 #include <sys/kernel.h> 64 65 #include <bus/firewire/firewire.h> 66 #include <bus/firewire/firewirereg.h> 67 #include <bus/firewire/fwdma.h> 68 #include <bus/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 static int sbp_tags = 0; 157 158 SYSCTL_DECL(_hw_firewire); 159 SYSCTL_NODE(_hw_firewire, OID_AUTO, sbp, CTLFLAG_RD, 0, "SBP-II Subsystem"); 160 SYSCTL_INT(_debug, OID_AUTO, sbp_debug, CTLFLAG_RW, &debug, 0, 161 "SBP debug flag"); 162 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, auto_login, CTLFLAG_RW, &auto_login, 0, 163 "SBP perform login automatically"); 164 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, max_speed, CTLFLAG_RW, &max_speed, 0, 165 "SBP transfer max speed"); 166 TUNABLE_INT("hw.firewire.sbp.tags", &sbp_tags); 167 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, tags, CTLFLAG_RW, &sbp_tags, 0, 168 "SBP tagged queuing support"); 169 170 #define SBP_DEBUG(x) if (debug > x) { 171 #define END_DEBUG } 172 173 #define NEED_RESPONSE 0 174 175 struct ind_ptr { 176 u_int32_t hi,lo; 177 }; 178 #define SBP_SEG_MAX rounddown(0xffff, PAGE_SIZE) 179 #ifdef __sparc64__ /* iommu */ 180 #define SBP_IND_MAX howmany(MAXPHYS, SBP_SEG_MAX) 181 #else 182 #define SBP_IND_MAX howmany(MAXPHYS, PAGE_SIZE) 183 #endif 184 struct sbp_ocb { 185 STAILQ_ENTRY(sbp_ocb) ocb; 186 union ccb *ccb; 187 bus_addr_t bus_addr; 188 volatile u_int32_t orb[8]; 189 #define IND_PTR_OFFSET (8*sizeof(u_int32_t)) 190 volatile struct ind_ptr ind_ptr[SBP_IND_MAX]; 191 struct sbp_dev *sdev; 192 int flags; /* XXX should be removed */ 193 bus_dmamap_t dmamap; 194 }; 195 196 #define OCB_ACT_MGM 0 197 #define OCB_ACT_CMD 1 198 #define OCB_MATCH(o,s) ((o)->bus_addr == ntohl((s)->orb_lo)) 199 200 #define SBP_RECV_LEN (16 + 32) /* header + payload */ 201 202 struct sbp_login_res{ 203 u_int16_t len; 204 u_int16_t id; 205 u_int16_t res0; 206 u_int16_t cmd_hi; 207 u_int32_t cmd_lo; 208 u_int16_t res1; 209 u_int16_t recon_hold; 210 }; 211 struct sbp_status{ 212 #if BYTE_ORDER == BIG_ENDIAN 213 u_int8_t src:2, 214 resp:2, 215 dead:1, 216 len:3; 217 #else 218 u_int8_t len:3, 219 dead:1, 220 resp:2, 221 src:2; 222 #endif 223 u_int8_t status; 224 u_int16_t orb_hi; 225 u_int32_t orb_lo; 226 u_int32_t data[6]; 227 }; 228 struct sbp_cmd_status{ 229 #define SBP_SFMT_CURR 0 230 #define SBP_SFMT_DEFER 1 231 #if BYTE_ORDER == BIG_ENDIAN 232 u_int8_t sfmt:2, 233 status:6; 234 u_int8_t valid:1, 235 mark:1, 236 eom:1, 237 ill_len:1, 238 s_key:4; 239 #else 240 u_int8_t status:6, 241 sfmt:2; 242 u_int8_t s_key:4, 243 ill_len:1, 244 eom:1, 245 mark:1, 246 valid:1; 247 #endif 248 u_int8_t s_code; 249 u_int8_t s_qlfr; 250 u_int32_t info; 251 u_int32_t cdb; 252 253 #if BYTE_ORDER == BIG_ENDIAN 254 u_int32_t s_keydep:24, 255 fru:8; 256 #else 257 u_int32_t fru:8, 258 s_keydep:24; 259 #endif 260 u_int32_t vend[2]; 261 262 }; 263 264 struct sbp_dev{ 265 #define SBP_DEV_RESET 0 /* accept login */ 266 #define SBP_DEV_LOGIN 1 /* to login */ 267 #if 0 268 #define SBP_DEV_RECONN 2 /* to reconnect */ 269 #endif 270 #define SBP_DEV_TOATTACH 3 /* to attach */ 271 #define SBP_DEV_PROBE 4 /* scan lun */ 272 #define SBP_DEV_ATTACHED 5 /* in operation */ 273 #define SBP_DEV_DEAD 6 /* unavailable unit */ 274 #define SBP_DEV_RETRY 7 /* unavailable unit */ 275 u_int8_t status:4, 276 timeout:4; 277 u_int8_t type; 278 u_int16_t lun_id; 279 int freeze; 280 struct cam_path *path; 281 struct sbp_target *target; 282 struct fwdma_alloc dma; 283 struct sbp_login_res *login; 284 struct callout login_callout; 285 struct sbp_ocb *ocb; 286 STAILQ_HEAD(, sbp_ocb) ocbs; 287 STAILQ_HEAD(, sbp_ocb) free_ocbs; 288 char vendor[32]; 289 char product[32]; 290 char revision[10]; 291 }; 292 293 struct sbp_target { 294 int target_id; 295 int num_lun; 296 struct sbp_dev *luns; 297 struct sbp_softc *sbp; 298 struct fw_device *fwdev; 299 u_int32_t mgm_hi, mgm_lo; 300 struct sbp_ocb *mgm_ocb_cur; 301 STAILQ_HEAD(, sbp_ocb) mgm_ocb_queue; 302 struct callout mgm_ocb_timeout; 303 #define SCAN_DELAY 2 304 struct callout scan_callout; 305 STAILQ_HEAD(, fw_xfer) xferlist; 306 int n_xfer; 307 }; 308 309 struct sbp_softc { 310 struct firewire_dev_comm fd; 311 struct cam_sim *sim; 312 struct cam_path *path; 313 struct sbp_target targets[SBP_NUM_TARGETS]; 314 struct fw_bind fwb; 315 bus_dma_tag_t dmat; 316 #define SBP_RESOURCE_SHORTAGE 0x10 317 unsigned char flags; 318 }; 319 static void sbp_post_explore (void *); 320 static void sbp_recv (struct fw_xfer *); 321 static void sbp_mgm_callback (struct fw_xfer *); 322 static void sbp_cmd_callback (struct fw_xfer *); 323 static void sbp_orb_pointer (struct sbp_dev *, struct sbp_ocb *); 324 static void sbp_execute_ocb (void *, bus_dma_segment_t *, int, int); 325 static void sbp_free_ocb (struct sbp_dev *, struct sbp_ocb *); 326 static void sbp_abort_ocb (struct sbp_ocb *, int); 327 static void sbp_abort_all_ocbs (struct sbp_dev *, int); 328 static struct fw_xfer * sbp_write_cmd (struct sbp_dev *, int, int); 329 static struct sbp_ocb * sbp_get_ocb (struct sbp_dev *); 330 static struct sbp_ocb * sbp_enqueue_ocb (struct sbp_dev *, struct sbp_ocb *); 331 static struct sbp_ocb * sbp_dequeue_ocb (struct sbp_dev *, struct sbp_status *); 332 static void sbp_cam_detach_target (struct sbp_target *); 333 static void sbp_mgm_timeout (void *arg); 334 static void sbp_timeout (void *arg); 335 static void sbp_mgm_orb (struct sbp_dev *, int, struct sbp_ocb *); 336 #define sbp_login(sdev) \ 337 callout_reset(&(sdev)->login_callout, LOGIN_DELAY * hz, \ 338 sbp_login_callout, (void *)(sdev)); 339 340 MALLOC_DEFINE(M_SBP, "sbp", "SBP-II/FireWire"); 341 342 /* cam related functions */ 343 static void sbp_action(struct cam_sim *sim, union ccb *ccb); 344 static void sbp_poll(struct cam_sim *sim); 345 static void sbp_cam_scan_lun(struct cam_periph *, union ccb *); 346 static void sbp_cam_scan_target(void *arg); 347 348 static char *orb_status0[] = { 349 /* 0 */ "No additional information to report", 350 /* 1 */ "Request type not supported", 351 /* 2 */ "Speed not supported", 352 /* 3 */ "Page size not supported", 353 /* 4 */ "Access denied", 354 /* 5 */ "Logical unit not supported", 355 /* 6 */ "Maximum payload too small", 356 /* 7 */ "Reserved for future standardization", 357 /* 8 */ "Resources unavailable", 358 /* 9 */ "Function rejected", 359 /* A */ "Login ID not recognized", 360 /* B */ "Dummy ORB completed", 361 /* C */ "Request aborted", 362 /* FF */ "Unspecified error" 363 #define MAX_ORB_STATUS0 0xd 364 }; 365 366 static char *orb_status1_object[] = { 367 /* 0 */ "Operation request block (ORB)", 368 /* 1 */ "Data buffer", 369 /* 2 */ "Page table", 370 /* 3 */ "Unable to specify" 371 }; 372 373 static char *orb_status1_serial_bus_error[] = { 374 /* 0 */ "Missing acknowledge", 375 /* 1 */ "Reserved; not to be used", 376 /* 2 */ "Time-out error", 377 /* 3 */ "Reserved; not to be used", 378 /* 4 */ "Busy retry limit exceeded(X)", 379 /* 5 */ "Busy retry limit exceeded(A)", 380 /* 6 */ "Busy retry limit exceeded(B)", 381 /* 7 */ "Reserved for future standardization", 382 /* 8 */ "Reserved for future standardization", 383 /* 9 */ "Reserved for future standardization", 384 /* A */ "Reserved for future standardization", 385 /* B */ "Tardy retry limit exceeded", 386 /* C */ "Conflict error", 387 /* D */ "Data error", 388 /* E */ "Type error", 389 /* F */ "Address error" 390 }; 391 392 static void 393 sbp_identify(driver_t *driver, device_t parent) 394 { 395 device_t child; 396 SBP_DEBUG(0) 397 printf("sbp_identify\n"); 398 END_DEBUG 399 400 child = BUS_ADD_CHILD(parent, 0, "sbp", device_get_unit(parent)); 401 } 402 403 /* 404 * sbp_probe() 405 */ 406 static int 407 sbp_probe(device_t dev) 408 { 409 device_t pa; 410 411 SBP_DEBUG(0) 412 printf("sbp_probe\n"); 413 END_DEBUG 414 415 pa = device_get_parent(dev); 416 if(device_get_unit(dev) != device_get_unit(pa)){ 417 return(ENXIO); 418 } 419 420 device_set_desc(dev, "SBP2/SCSI over firewire"); 421 422 if (bootverbose) 423 debug = bootverbose; 424 return (0); 425 } 426 427 static void 428 sbp_show_sdev_info(struct sbp_dev *sdev, int new) 429 { 430 struct fw_device *fwdev; 431 432 printf("%s:%d:%d ", 433 device_get_nameunit(sdev->target->sbp->fd.dev), 434 sdev->target->target_id, 435 sdev->lun_id 436 ); 437 if (new == 2) { 438 return; 439 } 440 fwdev = sdev->target->fwdev; 441 printf("ordered:%d type:%d EUI:%08x%08x node:%d " 442 "speed:%d maxrec:%d", 443 (sdev->type & 0x40) >> 6, 444 (sdev->type & 0x1f), 445 fwdev->eui.hi, 446 fwdev->eui.lo, 447 fwdev->dst, 448 fwdev->speed, 449 fwdev->maxrec 450 ); 451 if (new) 452 printf(" new!\n"); 453 else 454 printf("\n"); 455 sbp_show_sdev_info(sdev, 2); 456 printf("'%s' '%s' '%s'\n", sdev->vendor, sdev->product, sdev->revision); 457 } 458 459 static struct { 460 int bus; 461 int target; 462 struct fw_eui64 eui; 463 } wired[] = { 464 /* Bus Target EUI64 */ 465 #if 0 466 {0, 2, {0x00018ea0, 0x01fd0154}}, /* Logitec HDD */ 467 {0, 0, {0x00018ea6, 0x00100682}}, /* Logitec DVD */ 468 {0, 1, {0x00d03200, 0xa412006a}}, /* Yano HDD */ 469 #endif 470 {-1, -1, {0,0}} 471 }; 472 473 static int 474 sbp_new_target(struct sbp_softc *sbp, struct fw_device *fwdev) 475 { 476 int bus, i, target=-1; 477 char w[SBP_NUM_TARGETS]; 478 479 bzero(w, sizeof(w)); 480 bus = device_get_unit(sbp->fd.dev); 481 482 /* XXX wired-down configuration should be gotten from 483 tunable or device hint */ 484 for (i = 0; wired[i].bus >= 0; i ++) { 485 if (wired[i].bus == bus) { 486 w[wired[i].target] = 1; 487 if (wired[i].eui.hi == fwdev->eui.hi && 488 wired[i].eui.lo == fwdev->eui.lo) 489 target = wired[i].target; 490 } 491 } 492 if (target >= 0) { 493 if(target < SBP_NUM_TARGETS && 494 sbp->targets[target].fwdev == NULL) 495 return(target); 496 device_printf(sbp->fd.dev, 497 "target %d is not free for %08x:%08x\n", 498 target, fwdev->eui.hi, fwdev->eui.lo); 499 target = -1; 500 } 501 /* non-wired target */ 502 for (i = 0; i < SBP_NUM_TARGETS; i ++) 503 if (sbp->targets[i].fwdev == NULL && w[i] == 0) { 504 target = i; 505 break; 506 } 507 508 return target; 509 } 510 511 static struct sbp_target * 512 sbp_alloc_target(struct sbp_softc *sbp, struct fw_device *fwdev) 513 { 514 int i, maxlun, lun; 515 struct sbp_target *target; 516 struct sbp_dev *sdev; 517 struct crom_context cc; 518 struct csrreg *reg; 519 520 SBP_DEBUG(1) 521 printf("sbp_alloc_target\n"); 522 END_DEBUG 523 i = sbp_new_target(sbp, fwdev); 524 if (i < 0) { 525 device_printf(sbp->fd.dev, "increase SBP_NUM_TARGETS!\n"); 526 return NULL; 527 } 528 /* new target */ 529 target = &sbp->targets[i]; 530 target->sbp = sbp; 531 target->fwdev = fwdev; 532 target->target_id = i; 533 /* XXX we may want to reload mgm port after each bus reset */ 534 /* XXX there might be multiple management agents */ 535 crom_init_context(&cc, target->fwdev->csrrom); 536 reg = crom_search_key(&cc, CROM_MGM); 537 if (reg == NULL || reg->val == 0) { 538 printf("NULL management address\n"); 539 target->fwdev = NULL; 540 return NULL; 541 } 542 target->mgm_hi = 0xffff; 543 target->mgm_lo = 0xf0000000 | (reg->val << 2); 544 target->mgm_ocb_cur = NULL; 545 SBP_DEBUG(1) 546 printf("target:%d mgm_port: %x\n", i, target->mgm_lo); 547 END_DEBUG 548 STAILQ_INIT(&target->xferlist); 549 target->n_xfer = 0; 550 STAILQ_INIT(&target->mgm_ocb_queue); 551 CALLOUT_INIT(&target->mgm_ocb_timeout); 552 CALLOUT_INIT(&target->scan_callout); 553 554 /* XXX num_lun may be changed. realloc luns? */ 555 crom_init_context(&cc, target->fwdev->csrrom); 556 /* XXX shoud parse appropriate unit directories only */ 557 maxlun = -1; 558 while (cc.depth >= 0) { 559 reg = crom_search_key(&cc, CROM_LUN); 560 if (reg == NULL) 561 break; 562 lun = reg->val & 0xffff; 563 SBP_DEBUG(0) 564 printf("target %d lun %d found\n", target->target_id, lun); 565 END_DEBUG 566 if (maxlun < lun) 567 maxlun = lun; 568 crom_next(&cc); 569 } 570 if (maxlun < 0) 571 printf("no lun found!\n"); 572 if (maxlun >= SBP_NUM_LUNS) 573 maxlun = SBP_NUM_LUNS; 574 target->num_lun = maxlun + 1; 575 target->luns = (struct sbp_dev *) malloc( 576 sizeof(struct sbp_dev) * target->num_lun, 577 M_SBP, M_NOWAIT | M_ZERO); 578 for (i = 0; i < target->num_lun; i++) { 579 sdev = &target->luns[i]; 580 sdev->lun_id = i; 581 sdev->target = target; 582 STAILQ_INIT(&sdev->ocbs); 583 CALLOUT_INIT(&sdev->login_callout); 584 sdev->status = SBP_DEV_DEAD; 585 } 586 crom_init_context(&cc, target->fwdev->csrrom); 587 while (cc.depth >= 0) { 588 reg = crom_search_key(&cc, CROM_LUN); 589 if (reg == NULL) 590 break; 591 lun = reg->val & 0xffff; 592 if (lun >= SBP_NUM_LUNS) { 593 printf("too large lun %d\n", lun); 594 continue; 595 } 596 sdev = &target->luns[lun]; 597 sdev->status = SBP_DEV_RESET; 598 sdev->type = (reg->val & 0xf0000) >> 16; 599 600 fwdma_malloc(sbp->fd.fc, 601 /* alignment */ sizeof(u_int32_t), 602 SBP_DMA_SIZE, &sdev->dma, BUS_DMA_NOWAIT); 603 if (sdev->dma.v_addr == NULL) { 604 printf("%s: dma space allocation failed\n", 605 __FUNCTION__); 606 return (NULL); 607 } 608 sdev->login = (struct sbp_login_res *) sdev->dma.v_addr; 609 sdev->ocb = (struct sbp_ocb *) 610 ((char *)sdev->dma.v_addr + SBP_LOGIN_SIZE); 611 bzero((char *)sdev->ocb, 612 sizeof (struct sbp_ocb) * SBP_QUEUE_LEN); 613 614 STAILQ_INIT(&sdev->free_ocbs); 615 for (i = 0; i < SBP_QUEUE_LEN; i++) { 616 struct sbp_ocb *ocb; 617 ocb = &sdev->ocb[i]; 618 ocb->bus_addr = sdev->dma.bus_addr 619 + SBP_LOGIN_SIZE 620 + sizeof(struct sbp_ocb) * i 621 + offsetof(struct sbp_ocb, orb[0]); 622 if (bus_dmamap_create(sbp->dmat, 0, &ocb->dmamap)) { 623 printf("sbp_attach: cannot create dmamap\n"); 624 return (NULL); 625 } 626 sbp_free_ocb(sdev, ocb); 627 } 628 crom_next(&cc); 629 } 630 return target; 631 } 632 633 static void 634 sbp_probe_lun(struct sbp_dev *sdev) 635 { 636 struct fw_device *fwdev; 637 struct crom_context c, *cc = &c; 638 struct csrreg *reg; 639 640 bzero(sdev->vendor, sizeof(sdev->vendor)); 641 bzero(sdev->product, sizeof(sdev->product)); 642 643 fwdev = sdev->target->fwdev; 644 crom_init_context(cc, fwdev->csrrom); 645 /* get vendor string */ 646 crom_search_key(cc, CSRKEY_VENDOR); 647 crom_next(cc); 648 crom_parse_text(cc, sdev->vendor, sizeof(sdev->vendor)); 649 /* skip to the unit directory for SBP-2 */ 650 while ((reg = crom_search_key(cc, CSRKEY_VER)) != NULL) { 651 if (reg->val == CSRVAL_T10SBP2) 652 break; 653 crom_next(cc); 654 } 655 /* get firmware revision */ 656 reg = crom_search_key(cc, CSRKEY_FIRM_VER); 657 if (reg != NULL) 658 snprintf(sdev->revision, sizeof(sdev->revision), 659 "%06x", reg->val); 660 /* get product string */ 661 crom_search_key(cc, CSRKEY_MODEL); 662 crom_next(cc); 663 crom_parse_text(cc, sdev->product, sizeof(sdev->product)); 664 } 665 666 static void 667 sbp_login_callout(void *arg) 668 { 669 struct sbp_dev *sdev = (struct sbp_dev *)arg; 670 sbp_mgm_orb(sdev, ORB_FUN_LGI, NULL); 671 } 672 673 #define SBP_FWDEV_ALIVE(fwdev) (((fwdev)->status == FWDEVATTACHED) \ 674 && crom_has_specver((fwdev)->csrrom, CSRVAL_ANSIT10, CSRVAL_T10SBP2)) 675 676 static void 677 sbp_probe_target(void *arg) 678 { 679 struct sbp_target *target = (struct sbp_target *)arg; 680 struct sbp_softc *sbp; 681 struct sbp_dev *sdev; 682 struct firewire_comm *fc; 683 int i, alive; 684 685 alive = SBP_FWDEV_ALIVE(target->fwdev); 686 SBP_DEBUG(1) 687 printf("sbp_probe_target %d\n", target->target_id); 688 if (!alive) 689 printf("not alive\n"); 690 END_DEBUG 691 692 sbp = target->sbp; 693 fc = target->sbp->fd.fc; 694 /* XXX untimeout mgm_ocb and dequeue */ 695 for (i=0; i < target->num_lun; i++) { 696 sdev = &target->luns[i]; 697 if (alive && (sdev->status != SBP_DEV_DEAD)) { 698 if (sdev->path != NULL) { 699 xpt_freeze_devq(sdev->path, 1); 700 sdev->freeze ++; 701 } 702 sbp_probe_lun(sdev); 703 SBP_DEBUG(0) 704 sbp_show_sdev_info(sdev, 705 (sdev->status == SBP_DEV_RESET)); 706 END_DEBUG 707 708 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET); 709 switch (sdev->status) { 710 case SBP_DEV_RESET: 711 /* new or revived target */ 712 if (auto_login) 713 sbp_login(sdev); 714 break; 715 case SBP_DEV_TOATTACH: 716 case SBP_DEV_PROBE: 717 case SBP_DEV_ATTACHED: 718 case SBP_DEV_RETRY: 719 default: 720 sbp_mgm_orb(sdev, ORB_FUN_RCN, NULL); 721 break; 722 } 723 } else { 724 switch (sdev->status) { 725 case SBP_DEV_ATTACHED: 726 SBP_DEBUG(0) 727 /* the device has gone */ 728 sbp_show_sdev_info(sdev, 2); 729 printf("lost target\n"); 730 END_DEBUG 731 if (sdev->path) { 732 xpt_freeze_devq(sdev->path, 1); 733 sdev->freeze ++; 734 } 735 sdev->status = SBP_DEV_RETRY; 736 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET); 737 break; 738 case SBP_DEV_PROBE: 739 case SBP_DEV_TOATTACH: 740 sdev->status = SBP_DEV_RESET; 741 break; 742 case SBP_DEV_RETRY: 743 case SBP_DEV_RESET: 744 case SBP_DEV_DEAD: 745 break; 746 } 747 } 748 } 749 } 750 751 static void 752 sbp_post_busreset(void *arg) 753 { 754 struct sbp_softc *sbp; 755 756 sbp = (struct sbp_softc *)arg; 757 SBP_DEBUG(0) 758 printf("sbp_post_busreset\n"); 759 END_DEBUG 760 } 761 762 static void 763 sbp_post_explore(void *arg) 764 { 765 struct sbp_softc *sbp = (struct sbp_softc *)arg; 766 struct sbp_target *target; 767 struct fw_device *fwdev; 768 int i, alive; 769 770 SBP_DEBUG(0) 771 printf("sbp_post_explore (sbp_cold=%d)\n", sbp_cold); 772 END_DEBUG 773 #if 0 /* 774 * XXX don't let CAM the bus rest. CAM tries to do something with 775 * freezed (DEV_RETRY) devices 776 */ 777 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL); 778 #endif 779 if (sbp_cold > 0) 780 sbp_cold --; 781 782 /* Gabage Collection */ 783 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){ 784 target = &sbp->targets[i]; 785 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) 786 if (target->fwdev == NULL || target->fwdev == fwdev) 787 break; 788 if(fwdev == NULL){ 789 /* device has removed in lower driver */ 790 sbp_cam_detach_target(target); 791 if (target->luns != NULL) 792 free(target->luns, M_SBP); 793 target->num_lun = 0;; 794 target->luns = NULL; 795 target->fwdev = NULL; 796 } 797 } 798 /* traverse device list */ 799 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) { 800 SBP_DEBUG(0) 801 printf("sbp_post_explore: EUI:%08x%08x ", 802 fwdev->eui.hi, fwdev->eui.lo); 803 if (fwdev->status != FWDEVATTACHED) 804 printf("not attached, state=%d.\n", fwdev->status); 805 else 806 printf("attached\n"); 807 END_DEBUG 808 alive = SBP_FWDEV_ALIVE(fwdev); 809 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){ 810 target = &sbp->targets[i]; 811 if(target->fwdev == fwdev ) { 812 /* known target */ 813 break; 814 } 815 } 816 if(i == SBP_NUM_TARGETS){ 817 if (alive) { 818 /* new target */ 819 target = sbp_alloc_target(sbp, fwdev); 820 if (target == NULL) 821 continue; 822 } else { 823 continue; 824 } 825 } 826 sbp_probe_target((void *)target); 827 } 828 } 829 830 #if NEED_RESPONSE 831 static void 832 sbp_loginres_callback(struct fw_xfer *xfer){ 833 int s; 834 struct sbp_dev *sdev; 835 sdev = (struct sbp_dev *)xfer->sc; 836 SBP_DEBUG(1) 837 sbp_show_sdev_info(sdev, 2); 838 printf("sbp_loginres_callback\n"); 839 END_DEBUG 840 /* recycle */ 841 s = splfw(); 842 STAILQ_INSERT_TAIL(&sdev->target->sbp->fwb.xferlist, xfer, link); 843 splx(s); 844 return; 845 } 846 #endif 847 848 static __inline void 849 sbp_xfer_free(struct fw_xfer *xfer) 850 { 851 struct sbp_dev *sdev; 852 int s; 853 854 sdev = (struct sbp_dev *)xfer->sc; 855 fw_xfer_unload(xfer); 856 s = splfw(); 857 STAILQ_INSERT_TAIL(&sdev->target->xferlist, xfer, link); 858 splx(s); 859 } 860 861 static void 862 sbp_reset_start_callback(struct fw_xfer *xfer) 863 { 864 struct sbp_dev *tsdev, *sdev = (struct sbp_dev *)xfer->sc; 865 struct sbp_target *target = sdev->target; 866 int i; 867 868 if (xfer->resp != 0) { 869 sbp_show_sdev_info(sdev, 2); 870 printf("sbp_reset_start failed: resp=%d\n", xfer->resp); 871 } 872 873 for (i = 0; i < target->num_lun; i++) { 874 tsdev = &target->luns[i]; 875 if (tsdev->status == SBP_DEV_LOGIN) 876 sbp_login(sdev); 877 } 878 } 879 880 static void 881 sbp_reset_start(struct sbp_dev *sdev) 882 { 883 struct fw_xfer *xfer; 884 struct fw_pkt *fp; 885 886 SBP_DEBUG(0) 887 sbp_show_sdev_info(sdev, 2); 888 printf("sbp_reset_start\n"); 889 END_DEBUG 890 891 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 892 xfer->act.hand = sbp_reset_start_callback; 893 fp = (struct fw_pkt *)xfer->send.buf; 894 fp->mode.wreqq.dest_hi = 0xffff; 895 fp->mode.wreqq.dest_lo = 0xf0000000 | RESET_START; 896 fp->mode.wreqq.data = htonl(0xf); 897 fw_asyreq(xfer->fc, -1, xfer); 898 } 899 900 static void 901 sbp_mgm_callback(struct fw_xfer *xfer) 902 { 903 struct sbp_dev *sdev; 904 int resp; 905 906 sdev = (struct sbp_dev *)xfer->sc; 907 908 SBP_DEBUG(1) 909 sbp_show_sdev_info(sdev, 2); 910 printf("sbp_mgm_callback\n"); 911 END_DEBUG 912 resp = xfer->resp; 913 sbp_xfer_free(xfer); 914 #if 0 915 if (resp != 0) { 916 sbp_show_sdev_info(sdev, 2); 917 printf("management ORB failed(%d) ... RESET_START\n", resp); 918 sbp_reset_start(sdev); 919 } 920 #endif 921 return; 922 } 923 924 static void 925 sbp_cmd_callback(struct fw_xfer *xfer) 926 { 927 SBP_DEBUG(2) 928 struct sbp_dev *sdev; 929 sdev = (struct sbp_dev *)xfer->sc; 930 sbp_show_sdev_info(sdev, 2); 931 printf("sbp_cmd_callback\n"); 932 END_DEBUG 933 sbp_xfer_free(xfer); 934 return; 935 } 936 937 static struct sbp_dev * 938 sbp_next_dev(struct sbp_target *target, int lun) 939 { 940 struct sbp_dev *sdev; 941 int i; 942 943 for (i = lun, sdev = &target->luns[lun]; 944 i < target->num_lun; i++, sdev++) { 945 if (sdev->status == SBP_DEV_PROBE) 946 break; 947 } 948 if (i >= target->num_lun) 949 return(NULL); 950 return(sdev); 951 } 952 953 #define SCAN_PRI 1 954 static void 955 sbp_cam_scan_lun(struct cam_periph *periph, union ccb *ccb) 956 { 957 struct sbp_target *target; 958 struct sbp_dev *sdev; 959 960 sdev = (struct sbp_dev *) ccb->ccb_h.ccb_sdev_ptr; 961 target = sdev->target; 962 SBP_DEBUG(0) 963 sbp_show_sdev_info(sdev, 2); 964 printf("sbp_cam_scan_lun\n"); 965 END_DEBUG 966 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 967 sdev->status = SBP_DEV_ATTACHED; 968 } else { 969 sbp_show_sdev_info(sdev, 2); 970 printf("scan failed\n"); 971 } 972 sdev = sbp_next_dev(target, sdev->lun_id + 1); 973 if (sdev == NULL) { 974 free(ccb, M_SBP); 975 return; 976 } 977 /* reuse ccb */ 978 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI); 979 ccb->ccb_h.ccb_sdev_ptr = sdev; 980 xpt_action(ccb); 981 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 982 sdev->freeze = 1; 983 } 984 985 static void 986 sbp_cam_scan_target(void *arg) 987 { 988 struct sbp_target *target = (struct sbp_target *)arg; 989 struct sbp_dev *sdev; 990 union ccb *ccb; 991 992 sdev = sbp_next_dev(target, 0); 993 if (sdev == NULL) { 994 printf("sbp_cam_scan_target: nothing to do for target%d\n", 995 target->target_id); 996 return; 997 } 998 SBP_DEBUG(0) 999 sbp_show_sdev_info(sdev, 2); 1000 printf("sbp_cam_scan_target\n"); 1001 END_DEBUG 1002 ccb = malloc(sizeof(union ccb), M_SBP, M_NOWAIT | M_ZERO); 1003 if (ccb == NULL) { 1004 printf("sbp_cam_scan_target: malloc failed\n"); 1005 return; 1006 } 1007 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI); 1008 ccb->ccb_h.func_code = XPT_SCAN_LUN; 1009 ccb->ccb_h.cbfcnp = sbp_cam_scan_lun; 1010 ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 1011 ccb->crcn.flags = CAM_FLAG_NONE; 1012 ccb->ccb_h.ccb_sdev_ptr = sdev; 1013 1014 /* The scan is in progress now. */ 1015 xpt_action(ccb); 1016 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 1017 sdev->freeze = 1; 1018 } 1019 1020 static __inline void 1021 sbp_scan_dev(struct sbp_dev *sdev) 1022 { 1023 sdev->status = SBP_DEV_PROBE; 1024 callout_reset(&sdev->target->scan_callout, SCAN_DELAY * hz, 1025 sbp_cam_scan_target, (void *)sdev->target); 1026 } 1027 1028 static void 1029 sbp_do_attach(struct fw_xfer *xfer) 1030 { 1031 struct sbp_dev *sdev; 1032 struct sbp_target *target; 1033 struct sbp_softc *sbp; 1034 1035 sdev = (struct sbp_dev *)xfer->sc; 1036 target = sdev->target; 1037 sbp = target->sbp; 1038 SBP_DEBUG(0) 1039 sbp_show_sdev_info(sdev, 2); 1040 printf("sbp_do_attach\n"); 1041 END_DEBUG 1042 sbp_xfer_free(xfer); 1043 1044 if (sdev->path == NULL) 1045 xpt_create_path(&sdev->path, xpt_periph, 1046 cam_sim_path(target->sbp->sim), 1047 target->target_id, sdev->lun_id); 1048 1049 /* 1050 * Let CAM scan the bus if we are in the boot process. 1051 * XXX xpt_scan_bus cannot detect LUN larger than 0 1052 * if LUN 0 doesn't exists. 1053 */ 1054 if (sbp_cold > 0) { 1055 sdev->status = SBP_DEV_ATTACHED; 1056 return; 1057 } 1058 1059 sbp_scan_dev(sdev); 1060 return; 1061 } 1062 1063 static void 1064 sbp_agent_reset_callback(struct fw_xfer *xfer) 1065 { 1066 struct sbp_dev *sdev; 1067 1068 sdev = (struct sbp_dev *)xfer->sc; 1069 SBP_DEBUG(1) 1070 sbp_show_sdev_info(sdev, 2); 1071 printf("sbp_cmd_callback\n"); 1072 END_DEBUG 1073 if (xfer->resp != 0) { 1074 sbp_show_sdev_info(sdev, 2); 1075 printf("sbp_cmd_callback resp=%d\n", xfer->resp); 1076 } 1077 1078 sbp_xfer_free(xfer); 1079 if (sdev->path) { 1080 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 1081 sdev->freeze = 0; 1082 } 1083 } 1084 1085 static void 1086 sbp_agent_reset(struct sbp_dev *sdev) 1087 { 1088 struct fw_xfer *xfer; 1089 struct fw_pkt *fp; 1090 1091 SBP_DEBUG(0) 1092 sbp_show_sdev_info(sdev, 2); 1093 printf("sbp_agent_reset\n"); 1094 END_DEBUG 1095 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x04); 1096 if (xfer == NULL) 1097 return; 1098 if (sdev->status == SBP_DEV_ATTACHED) 1099 xfer->act.hand = sbp_agent_reset_callback; 1100 else 1101 xfer->act.hand = sbp_do_attach; 1102 fp = (struct fw_pkt *)xfer->send.buf; 1103 fp->mode.wreqq.data = htonl(0xf); 1104 fw_asyreq(xfer->fc, -1, xfer); 1105 sbp_abort_all_ocbs(sdev, CAM_BDR_SENT); 1106 } 1107 1108 static void 1109 sbp_busy_timeout_callback(struct fw_xfer *xfer) 1110 { 1111 struct sbp_dev *sdev; 1112 1113 sdev = (struct sbp_dev *)xfer->sc; 1114 SBP_DEBUG(1) 1115 sbp_show_sdev_info(sdev, 2); 1116 printf("sbp_busy_timeout_callback\n"); 1117 END_DEBUG 1118 sbp_xfer_free(xfer); 1119 sbp_agent_reset(sdev); 1120 } 1121 1122 static void 1123 sbp_busy_timeout(struct sbp_dev *sdev) 1124 { 1125 struct fw_pkt *fp; 1126 struct fw_xfer *xfer; 1127 SBP_DEBUG(0) 1128 sbp_show_sdev_info(sdev, 2); 1129 printf("sbp_busy_timeout\n"); 1130 END_DEBUG 1131 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 1132 1133 xfer->act.hand = sbp_busy_timeout_callback; 1134 fp = (struct fw_pkt *)xfer->send.buf; 1135 fp->mode.wreqq.dest_hi = 0xffff; 1136 fp->mode.wreqq.dest_lo = 0xf0000000 | BUSY_TIMEOUT; 1137 fp->mode.wreqq.data = htonl((1 << (13+12)) | 0xf); 1138 fw_asyreq(xfer->fc, -1, xfer); 1139 } 1140 1141 static void 1142 sbp_orb_pointer(struct sbp_dev *sdev, struct sbp_ocb *ocb) 1143 { 1144 struct fw_xfer *xfer; 1145 struct fw_pkt *fp; 1146 SBP_DEBUG(2) 1147 sbp_show_sdev_info(sdev, 2); 1148 printf("sbp_orb_pointer\n"); 1149 END_DEBUG 1150 1151 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0x08); 1152 if (xfer == NULL) 1153 return; 1154 xfer->act.hand = sbp_cmd_callback; 1155 1156 fp = (struct fw_pkt *)xfer->send.buf; 1157 fp->mode.wreqb.len = 8; 1158 fp->mode.wreqb.extcode = 0; 1159 fp->mode.wreqb.payload[0] = 1160 htonl(((sdev->target->sbp->fd.fc->nodeid | FWLOCALBUS )<< 16)); 1161 fp->mode.wreqb.payload[1] = htonl(ocb->bus_addr); 1162 1163 if(fw_asyreq(xfer->fc, -1, xfer) != 0){ 1164 sbp_xfer_free(xfer); 1165 ocb->ccb->ccb_h.status = CAM_REQ_INVALID; 1166 xpt_done(ocb->ccb); 1167 } 1168 } 1169 1170 #if 0 1171 static void 1172 sbp_doorbell(struct sbp_dev *sdev) 1173 { 1174 struct fw_xfer *xfer; 1175 struct fw_pkt *fp; 1176 SBP_DEBUG(1) 1177 sbp_show_sdev_info(sdev, 2); 1178 printf("sbp_doorbell\n"); 1179 END_DEBUG 1180 1181 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x10); 1182 if (xfer == NULL) 1183 return; 1184 xfer->act.hand = sbp_cmd_callback; 1185 fp = (struct fw_pkt *)xfer->send.buf; 1186 fp->mode.wreqq.data = htonl(0xf); 1187 fw_asyreq(xfer->fc, -1, xfer); 1188 } 1189 #endif 1190 1191 static struct fw_xfer * 1192 sbp_write_cmd(struct sbp_dev *sdev, int tcode, int offset) 1193 { 1194 struct fw_xfer *xfer; 1195 struct fw_pkt *fp; 1196 struct sbp_target *target; 1197 int s, new = 0; 1198 1199 target = sdev->target; 1200 s = splfw(); 1201 xfer = STAILQ_FIRST(&target->xferlist); 1202 if (xfer == NULL) { 1203 if (target->n_xfer > 5 /* XXX */) { 1204 printf("sbp: no more xfer for this target\n"); 1205 splx(s); 1206 return(NULL); 1207 } 1208 xfer = fw_xfer_alloc_buf(M_SBP, 24, 12); 1209 if(xfer == NULL){ 1210 printf("sbp: fw_xfer_alloc_buf failed\n"); 1211 splx(s); 1212 return NULL; 1213 } 1214 target->n_xfer ++; 1215 if (debug) 1216 printf("sbp: alloc %d xfer\n", target->n_xfer); 1217 new = 1; 1218 } else { 1219 STAILQ_REMOVE_HEAD(&target->xferlist, link); 1220 } 1221 splx(s); 1222 1223 microtime(&xfer->tv); 1224 1225 if (tcode == FWTCODE_WREQQ) 1226 xfer->send.len = 16; 1227 else 1228 xfer->send.len = 24; 1229 xfer->recv.len = 12; 1230 1231 if (new) { 1232 xfer->spd = min(sdev->target->fwdev->speed, max_speed); 1233 xfer->fc = sdev->target->sbp->fd.fc; 1234 xfer->retry_req = fw_asybusy; 1235 } 1236 xfer->sc = (caddr_t)sdev; 1237 fp = (struct fw_pkt *)xfer->send.buf; 1238 fp->mode.wreqq.dest_hi = sdev->login->cmd_hi; 1239 fp->mode.wreqq.dest_lo = sdev->login->cmd_lo + offset; 1240 fp->mode.wreqq.tlrt = 0; 1241 fp->mode.wreqq.tcode = tcode; 1242 fp->mode.wreqq.pri = 0; 1243 xfer->dst = FWLOCALBUS | sdev->target->fwdev->dst; 1244 fp->mode.wreqq.dst = xfer->dst; 1245 1246 return xfer; 1247 1248 } 1249 1250 static void 1251 sbp_mgm_orb(struct sbp_dev *sdev, int func, struct sbp_ocb *aocb) 1252 { 1253 struct fw_xfer *xfer; 1254 struct fw_pkt *fp; 1255 struct sbp_ocb *ocb; 1256 struct sbp_target *target; 1257 int s, nid; 1258 1259 target = sdev->target; 1260 nid = target->sbp->fd.fc->nodeid | FWLOCALBUS; 1261 1262 s = splfw(); 1263 if (func == ORB_FUN_RUNQUEUE) { 1264 ocb = STAILQ_FIRST(&target->mgm_ocb_queue); 1265 if (target->mgm_ocb_cur != NULL || ocb == NULL) { 1266 splx(s); 1267 return; 1268 } 1269 STAILQ_REMOVE_HEAD(&target->mgm_ocb_queue, ocb); 1270 goto start; 1271 } 1272 if ((ocb = sbp_get_ocb(sdev)) == NULL) { 1273 splx(s); 1274 return; 1275 } 1276 ocb->flags = OCB_ACT_MGM; 1277 ocb->sdev = sdev; 1278 1279 bzero((void *)(uintptr_t)(volatile void *)ocb->orb, sizeof(ocb->orb)); 1280 ocb->orb[6] = htonl((nid << 16) | SBP_BIND_HI); 1281 ocb->orb[7] = htonl(SBP_DEV2ADDR( 1282 device_get_unit(target->sbp->fd.dev), 1283 target->target_id, 1284 sdev->lun_id)); 1285 1286 SBP_DEBUG(0) 1287 sbp_show_sdev_info(sdev, 2); 1288 printf("%s\n", orb_fun_name[(func>>16)&0xf]); 1289 END_DEBUG 1290 switch (func) { 1291 case ORB_FUN_LGI: 1292 ocb->orb[2] = htonl(nid << 16); 1293 ocb->orb[3] = htonl(sdev->dma.bus_addr); 1294 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_EXV | sdev->lun_id); 1295 ocb->orb[5] = htonl(SBP_LOGIN_SIZE); 1296 fwdma_sync(&sdev->dma, BUS_DMASYNC_PREREAD); 1297 break; 1298 case ORB_FUN_ATA: 1299 ocb->orb[0] = htonl((0 << 16) | 0); 1300 ocb->orb[1] = htonl(aocb->bus_addr & 0xffffffff); 1301 /* fall through */ 1302 case ORB_FUN_RCN: 1303 case ORB_FUN_LGO: 1304 case ORB_FUN_LUR: 1305 case ORB_FUN_RST: 1306 case ORB_FUN_ATS: 1307 ocb->orb[4] = htonl(ORB_NOTIFY | func | sdev->login->id); 1308 break; 1309 } 1310 1311 if (target->mgm_ocb_cur != NULL) { 1312 /* there is a standing ORB */ 1313 STAILQ_INSERT_TAIL(&sdev->target->mgm_ocb_queue, ocb, ocb); 1314 splx(s); 1315 return; 1316 } 1317 start: 1318 target->mgm_ocb_cur = ocb; 1319 splx(s); 1320 1321 callout_reset(&target->mgm_ocb_timeout, 5*hz, 1322 sbp_mgm_timeout, (caddr_t)ocb); 1323 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0); 1324 if(xfer == NULL){ 1325 return; 1326 } 1327 xfer->act.hand = sbp_mgm_callback; 1328 1329 fp = (struct fw_pkt *)xfer->send.buf; 1330 fp->mode.wreqb.dest_hi = sdev->target->mgm_hi; 1331 fp->mode.wreqb.dest_lo = sdev->target->mgm_lo; 1332 fp->mode.wreqb.len = 8; 1333 fp->mode.wreqb.extcode = 0; 1334 fp->mode.wreqb.payload[0] = htonl(nid << 16); 1335 fp->mode.wreqb.payload[1] = htonl(ocb->bus_addr); 1336 1337 fw_asyreq(xfer->fc, -1, xfer); 1338 } 1339 1340 static void 1341 sbp_print_scsi_cmd(struct sbp_ocb *ocb) 1342 { 1343 struct ccb_scsiio *csio; 1344 1345 csio = &ocb->ccb->csio; 1346 printf("%s:%d:%d XPT_SCSI_IO: " 1347 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 1348 ", flags: 0x%02x, " 1349 "%db cmd/%db data/%db sense\n", 1350 device_get_nameunit(ocb->sdev->target->sbp->fd.dev), 1351 ocb->ccb->ccb_h.target_id, ocb->ccb->ccb_h.target_lun, 1352 csio->cdb_io.cdb_bytes[0], 1353 csio->cdb_io.cdb_bytes[1], 1354 csio->cdb_io.cdb_bytes[2], 1355 csio->cdb_io.cdb_bytes[3], 1356 csio->cdb_io.cdb_bytes[4], 1357 csio->cdb_io.cdb_bytes[5], 1358 csio->cdb_io.cdb_bytes[6], 1359 csio->cdb_io.cdb_bytes[7], 1360 csio->cdb_io.cdb_bytes[8], 1361 csio->cdb_io.cdb_bytes[9], 1362 ocb->ccb->ccb_h.flags & CAM_DIR_MASK, 1363 csio->cdb_len, csio->dxfer_len, 1364 csio->sense_len); 1365 } 1366 1367 static void 1368 sbp_scsi_status(struct sbp_status *sbp_status, struct sbp_ocb *ocb) 1369 { 1370 struct sbp_cmd_status *sbp_cmd_status; 1371 struct scsi_sense_data *sense; 1372 1373 sbp_cmd_status = (struct sbp_cmd_status *)sbp_status->data; 1374 sense = &ocb->ccb->csio.sense_data; 1375 1376 SBP_DEBUG(0) 1377 sbp_print_scsi_cmd(ocb); 1378 /* XXX need decode status */ 1379 sbp_show_sdev_info(ocb->sdev, 2); 1380 printf("SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d\n", 1381 sbp_cmd_status->status, 1382 sbp_cmd_status->sfmt, 1383 sbp_cmd_status->valid, 1384 sbp_cmd_status->s_key, 1385 sbp_cmd_status->s_code, 1386 sbp_cmd_status->s_qlfr, 1387 sbp_status->len 1388 ); 1389 END_DEBUG 1390 1391 switch (sbp_cmd_status->status) { 1392 case SCSI_STATUS_CHECK_COND: 1393 case SCSI_STATUS_BUSY: 1394 case SCSI_STATUS_CMD_TERMINATED: 1395 if(sbp_cmd_status->sfmt == SBP_SFMT_CURR){ 1396 sense->error_code = SSD_CURRENT_ERROR; 1397 }else{ 1398 sense->error_code = SSD_DEFERRED_ERROR; 1399 } 1400 if(sbp_cmd_status->valid) 1401 sense->error_code |= SSD_ERRCODE_VALID; 1402 sense->flags = sbp_cmd_status->s_key; 1403 if(sbp_cmd_status->mark) 1404 sense->flags |= SSD_FILEMARK; 1405 if(sbp_cmd_status->eom) 1406 sense->flags |= SSD_EOM; 1407 if(sbp_cmd_status->ill_len) 1408 sense->flags |= SSD_ILI; 1409 sense->info[0] = ntohl(sbp_cmd_status->info) & 0xff; 1410 sense->info[1] =(ntohl(sbp_cmd_status->info) >> 8) & 0xff; 1411 sense->info[2] =(ntohl(sbp_cmd_status->info) >> 16) & 0xff; 1412 sense->info[3] =(ntohl(sbp_cmd_status->info) >> 24) & 0xff; 1413 if (sbp_status->len <= 1) 1414 /* XXX not scsi status. shouldn't be happened */ 1415 sense->extra_len = 0; 1416 else if (sbp_status->len <= 4) 1417 /* add_sense_code(_qual), info, cmd_spec_info */ 1418 sense->extra_len = 6; 1419 else 1420 /* fru, sense_key_spec */ 1421 sense->extra_len = 10; 1422 sense->cmd_spec_info[0] = ntohl(sbp_cmd_status->cdb) & 0xff; 1423 sense->cmd_spec_info[1] = (ntohl(sbp_cmd_status->cdb) >> 8) & 0xff; 1424 sense->cmd_spec_info[2] = (ntohl(sbp_cmd_status->cdb) >> 16) & 0xff; 1425 sense->cmd_spec_info[3] = (ntohl(sbp_cmd_status->cdb) >> 24) & 0xff; 1426 sense->add_sense_code = sbp_cmd_status->s_code; 1427 sense->add_sense_code_qual = sbp_cmd_status->s_qlfr; 1428 sense->fru = sbp_cmd_status->fru; 1429 sense->sense_key_spec[0] = ntohl(sbp_cmd_status->s_keydep) & 0xff; 1430 sense->sense_key_spec[1] = (ntohl(sbp_cmd_status->s_keydep) >>8) & 0xff; 1431 sense->sense_key_spec[2] = (ntohl(sbp_cmd_status->s_keydep) >>16) & 0xff; 1432 1433 ocb->ccb->csio.scsi_status = sbp_cmd_status->status;; 1434 ocb->ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR 1435 | CAM_AUTOSNS_VALID; 1436 /* 1437 { 1438 u_int8_t j, *tmp; 1439 tmp = sense; 1440 for( j = 0 ; j < 32 ; j+=8){ 1441 printf("sense %02x%02x %02x%02x %02x%02x %02x%02x\n", 1442 tmp[j], tmp[j+1], tmp[j+2], tmp[j+3], 1443 tmp[j+4], tmp[j+5], tmp[j+6], tmp[j+7]); 1444 } 1445 1446 } 1447 */ 1448 break; 1449 default: 1450 sbp_show_sdev_info(ocb->sdev, 2); 1451 printf("sbp_scsi_status: unknown scsi status 0x%x\n", 1452 sbp_cmd_status->status); 1453 } 1454 } 1455 1456 static void 1457 sbp_fix_inq_data(struct sbp_ocb *ocb) 1458 { 1459 union ccb *ccb; 1460 struct sbp_dev *sdev; 1461 struct scsi_inquiry_data *inq; 1462 1463 ccb = ocb->ccb; 1464 sdev = ocb->sdev; 1465 1466 if (ccb->csio.cdb_io.cdb_bytes[1] & SI_EVPD) 1467 return; 1468 SBP_DEBUG(1) 1469 sbp_show_sdev_info(sdev, 2); 1470 printf("sbp_fix_inq_data\n"); 1471 END_DEBUG 1472 inq = (struct scsi_inquiry_data *) ccb->csio.data_ptr; 1473 switch (SID_TYPE(inq)) { 1474 case T_DIRECT: 1475 /* 1476 * XXX Convert Direct Access device to RBC. 1477 * I've never seen FireWire DA devices which support READ_6. 1478 */ 1479 #if 1 1480 if (SID_TYPE(inq) == T_DIRECT) 1481 inq->device |= T_RBC; /* T_DIRECT == 0 */ 1482 #endif 1483 /* fall through */ 1484 case T_RBC: 1485 /* enable tag queuing */ 1486 if (sbp_tags) 1487 inq->flags |= SID_CmdQue; 1488 else 1489 inq->flags &= ~SID_CmdQue; 1490 /* 1491 * Override vendor/product/revision information. 1492 * Some devices sometimes return strange strings. 1493 */ 1494 #if 1 1495 bcopy(sdev->vendor, inq->vendor, sizeof(inq->vendor)); 1496 bcopy(sdev->product, inq->product, sizeof(inq->product)); 1497 bcopy(sdev->revision+2, inq->revision, sizeof(inq->revision)); 1498 #endif 1499 break; 1500 } 1501 } 1502 1503 static void 1504 sbp_recv1(struct fw_xfer *xfer) 1505 { 1506 struct fw_pkt *rfp; 1507 #if NEED_RESPONSE 1508 struct fw_pkt *sfp; 1509 #endif 1510 struct sbp_softc *sbp; 1511 struct sbp_dev *sdev; 1512 struct sbp_ocb *ocb; 1513 struct sbp_login_res *login_res = NULL; 1514 struct sbp_status *sbp_status; 1515 struct sbp_target *target; 1516 int orb_fun, status_valid0, status_valid, t, l, reset_agent = 0; 1517 u_int32_t addr; 1518 /* 1519 u_int32_t *ld; 1520 ld = xfer->recv.buf; 1521 printf("sbp %x %d %d %08x %08x %08x %08x\n", 1522 xfer->resp, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3])); 1523 printf("sbp %08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 1524 printf("sbp %08x %08x %08x %08x\n", ntohl(ld[8]), ntohl(ld[9]), ntohl(ld[10]), ntohl(ld[11])); 1525 */ 1526 1527 sbp = (struct sbp_softc *)xfer->sc; 1528 if(xfer->resp != 0){ 1529 printf("sbp_recv: xfer->resp != 0\n"); 1530 goto done0; 1531 } 1532 if(xfer->recv.buf == NULL){ 1533 printf("sbp_recv: xfer->recv.buf == NULL\n"); 1534 goto done0; 1535 } 1536 sbp = (struct sbp_softc *)xfer->sc; 1537 rfp = (struct fw_pkt *)xfer->recv.buf; 1538 if(rfp->mode.wreqb.tcode != FWTCODE_WREQB){ 1539 printf("sbp_recv: tcode = %d\n", rfp->mode.wreqb.tcode); 1540 goto done0; 1541 } 1542 sbp_status = (struct sbp_status *)rfp->mode.wreqb.payload; 1543 addr = rfp->mode.wreqb.dest_lo; 1544 SBP_DEBUG(2) 1545 printf("received address 0x%x\n", addr); 1546 END_DEBUG 1547 t = SBP_ADDR2TRG(addr); 1548 if (t >= SBP_NUM_TARGETS) { 1549 device_printf(sbp->fd.dev, 1550 "sbp_recv1: invalid target %d\n", t); 1551 goto done0; 1552 } 1553 target = &sbp->targets[t]; 1554 l = SBP_ADDR2LUN(addr); 1555 if (l >= target->num_lun) { 1556 device_printf(sbp->fd.dev, 1557 "sbp_recv1: invalid lun %d (target=%d)\n", l, t); 1558 goto done0; 1559 } 1560 sdev = &target->luns[l]; 1561 1562 ocb = NULL; 1563 switch (sbp_status->src) { 1564 case 0: 1565 case 1: 1566 /* check mgm_ocb_cur first */ 1567 ocb = target->mgm_ocb_cur; 1568 if (ocb != NULL) { 1569 if (OCB_MATCH(ocb, sbp_status)) { 1570 callout_stop(&target->mgm_ocb_timeout); 1571 target->mgm_ocb_cur = NULL; 1572 break; 1573 } 1574 } 1575 ocb = sbp_dequeue_ocb(sdev, sbp_status); 1576 if (ocb == NULL) { 1577 sbp_show_sdev_info(sdev, 2); 1578 #if __FreeBSD_version >= 500000 1579 printf("No ocb(%x) on the queue\n", 1580 #else 1581 printf("No ocb(%lx) on the queue\n", 1582 #endif 1583 ntohl(sbp_status->orb_lo)); 1584 } 1585 break; 1586 case 2: 1587 /* unsolicit */ 1588 sbp_show_sdev_info(sdev, 2); 1589 printf("unsolicit status received\n"); 1590 break; 1591 default: 1592 sbp_show_sdev_info(sdev, 2); 1593 printf("unknown sbp_status->src\n"); 1594 } 1595 1596 status_valid0 = (sbp_status->src < 2 1597 && sbp_status->resp == ORB_RES_CMPL 1598 && sbp_status->dead == 0); 1599 status_valid = (status_valid0 && sbp_status->status == 0); 1600 1601 if (!status_valid0 || debug > 1){ 1602 int status; 1603 SBP_DEBUG(0) 1604 sbp_show_sdev_info(sdev, 2); 1605 printf("ORB status src:%x resp:%x dead:%x" 1606 #if __FreeBSD_version >= 500000 1607 " len:%x stat:%x orb:%x%08x\n", 1608 #else 1609 " len:%x stat:%x orb:%x%08lx\n", 1610 #endif 1611 sbp_status->src, sbp_status->resp, sbp_status->dead, 1612 sbp_status->len, sbp_status->status, 1613 ntohs(sbp_status->orb_hi), ntohl(sbp_status->orb_lo)); 1614 END_DEBUG 1615 sbp_show_sdev_info(sdev, 2); 1616 status = sbp_status->status; 1617 switch(sbp_status->resp) { 1618 case 0: 1619 if (status > MAX_ORB_STATUS0) 1620 printf("%s\n", orb_status0[MAX_ORB_STATUS0]); 1621 else 1622 printf("%s\n", orb_status0[status]); 1623 break; 1624 case 1: 1625 printf("Obj: %s, Error: %s\n", 1626 orb_status1_object[(status>>6) & 3], 1627 orb_status1_serial_bus_error[status & 0xf]); 1628 break; 1629 case 2: 1630 printf("Illegal request\n"); 1631 break; 1632 case 3: 1633 printf("Vendor dependent\n"); 1634 break; 1635 default: 1636 printf("unknown respose code %d\n", sbp_status->resp); 1637 } 1638 } 1639 1640 /* we have to reset the fetch agent if it's dead */ 1641 if (sbp_status->dead) { 1642 if (sdev->path) { 1643 xpt_freeze_devq(sdev->path, 1); 1644 sdev->freeze ++; 1645 } 1646 reset_agent = 1; 1647 } 1648 1649 if (ocb == NULL) 1650 goto done; 1651 1652 switch(ntohl(ocb->orb[4]) & ORB_FMT_MSK){ 1653 case ORB_FMT_NOP: 1654 break; 1655 case ORB_FMT_VED: 1656 break; 1657 case ORB_FMT_STD: 1658 switch(ocb->flags) { 1659 case OCB_ACT_MGM: 1660 orb_fun = ntohl(ocb->orb[4]) & ORB_FUN_MSK; 1661 switch(orb_fun) { 1662 case ORB_FUN_LGI: 1663 fwdma_sync(&sdev->dma, BUS_DMASYNC_POSTREAD); 1664 login_res = sdev->login; 1665 login_res->len = ntohs(login_res->len); 1666 login_res->id = ntohs(login_res->id); 1667 login_res->cmd_hi = ntohs(login_res->cmd_hi); 1668 login_res->cmd_lo = ntohl(login_res->cmd_lo); 1669 if (status_valid) { 1670 SBP_DEBUG(0) 1671 sbp_show_sdev_info(sdev, 2); 1672 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)); 1673 END_DEBUG 1674 sbp_busy_timeout(sdev); 1675 } else { 1676 /* forgot logout? */ 1677 sbp_show_sdev_info(sdev, 2); 1678 printf("login failed\n"); 1679 sdev->status = SBP_DEV_RESET; 1680 } 1681 break; 1682 case ORB_FUN_RCN: 1683 login_res = sdev->login; 1684 if (status_valid) { 1685 SBP_DEBUG(0) 1686 sbp_show_sdev_info(sdev, 2); 1687 printf("reconnect: len %d, ID %d, cmd %08x%08x\n", login_res->len, login_res->id, login_res->cmd_hi, login_res->cmd_lo); 1688 END_DEBUG 1689 #if 1 1690 if (sdev->status == SBP_DEV_ATTACHED) 1691 sbp_scan_dev(sdev); 1692 else 1693 sbp_agent_reset(sdev); 1694 #else 1695 sdev->status = SBP_DEV_ATTACHED; 1696 sbp_mgm_orb(sdev, ORB_FUN_ATS, NULL); 1697 #endif 1698 } else { 1699 /* reconnection hold time exceed? */ 1700 SBP_DEBUG(0) 1701 sbp_show_sdev_info(sdev, 2); 1702 printf("reconnect failed\n"); 1703 END_DEBUG 1704 sbp_login(sdev); 1705 } 1706 break; 1707 case ORB_FUN_LGO: 1708 sdev->status = SBP_DEV_RESET; 1709 break; 1710 case ORB_FUN_RST: 1711 sbp_busy_timeout(sdev); 1712 break; 1713 case ORB_FUN_LUR: 1714 case ORB_FUN_ATA: 1715 case ORB_FUN_ATS: 1716 sbp_agent_reset(sdev); 1717 break; 1718 default: 1719 sbp_show_sdev_info(sdev, 2); 1720 printf("unknown function %d\n", orb_fun); 1721 break; 1722 } 1723 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 1724 break; 1725 case OCB_ACT_CMD: 1726 sdev->timeout = 0; 1727 if(ocb->ccb != NULL){ 1728 union ccb *ccb; 1729 /* 1730 u_int32_t *ld; 1731 ld = ocb->ccb->csio.data_ptr; 1732 if(ld != NULL && ocb->ccb->csio.dxfer_len != 0) 1733 printf("ptr %08x %08x %08x %08x\n", ld[0], ld[1], ld[2], ld[3]); 1734 else 1735 printf("ptr NULL\n"); 1736 printf("len %d\n", sbp_status->len); 1737 */ 1738 ccb = ocb->ccb; 1739 if(sbp_status->len > 1){ 1740 sbp_scsi_status(sbp_status, ocb); 1741 }else{ 1742 if(sbp_status->resp != ORB_RES_CMPL){ 1743 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1744 }else{ 1745 ccb->ccb_h.status = CAM_REQ_CMP; 1746 } 1747 } 1748 /* fix up inq data */ 1749 if (ccb->csio.cdb_io.cdb_bytes[0] == INQUIRY) 1750 sbp_fix_inq_data(ocb); 1751 xpt_done(ccb); 1752 } 1753 break; 1754 default: 1755 break; 1756 } 1757 } 1758 1759 sbp_free_ocb(sdev, ocb); 1760 done: 1761 if (reset_agent) 1762 sbp_agent_reset(sdev); 1763 1764 done0: 1765 /* The received packet is usually small enough to be stored within 1766 * the buffer. In that case, the controller return ack_complete and 1767 * no respose is necessary. 1768 * 1769 * XXX fwohci.c and firewire.c should inform event_code such as 1770 * ack_complete or ack_pending to upper driver. 1771 */ 1772 #if NEED_RESPONSE 1773 xfer->send.off = 0; 1774 sfp = (struct fw_pkt *)xfer->send.buf; 1775 sfp->mode.wres.dst = rfp->mode.wreqb.src; 1776 xfer->dst = sfp->mode.wres.dst; 1777 xfer->spd = min(sdev->target->fwdev->speed, max_speed); 1778 xfer->act.hand = sbp_loginres_callback; 1779 xfer->retry_req = fw_asybusy; 1780 1781 sfp->mode.wres.tlrt = rfp->mode.wreqb.tlrt; 1782 sfp->mode.wres.tcode = FWTCODE_WRES; 1783 sfp->mode.wres.rtcode = 0; 1784 sfp->mode.wres.pri = 0; 1785 1786 fw_asyreq(xfer->fc, -1, xfer); 1787 #else 1788 /* recycle */ 1789 xfer->recv.len = SBP_RECV_LEN; 1790 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link); 1791 #endif 1792 1793 return; 1794 1795 } 1796 1797 static void 1798 sbp_recv(struct fw_xfer *xfer) 1799 { 1800 int s; 1801 1802 s = splcam(); 1803 sbp_recv1(xfer); 1804 splx(s); 1805 } 1806 /* 1807 * sbp_attach() 1808 */ 1809 static int 1810 sbp_attach(device_t dev) 1811 { 1812 struct sbp_softc *sbp; 1813 struct cam_devq *devq; 1814 struct fw_xfer *xfer; 1815 int i, s, error; 1816 1817 SBP_DEBUG(0) 1818 printf("sbp_attach (cold=%d)\n", cold); 1819 END_DEBUG 1820 1821 if (cold) 1822 sbp_cold ++; 1823 sbp = ((struct sbp_softc *)device_get_softc(dev)); 1824 bzero(sbp, sizeof(struct sbp_softc)); 1825 sbp->fd.dev = dev; 1826 sbp->fd.fc = device_get_ivars(dev); 1827 error = bus_dma_tag_create(/*parent*/sbp->fd.fc->dmat, 1828 /* XXX shoud be 4 for sane backend? */ 1829 /*alignment*/1, 1830 /*boundary*/0, 1831 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, 1832 /*highaddr*/BUS_SPACE_MAXADDR, 1833 /*filter*/NULL, /*filterarg*/NULL, 1834 /*maxsize*/0x100000, /*nsegments*/SBP_IND_MAX, 1835 /*maxsegsz*/SBP_SEG_MAX, 1836 /*flags*/BUS_DMA_ALLOCNOW, 1837 &sbp->dmat); 1838 if (error != 0) { 1839 printf("sbp_attach: Could not allocate DMA tag " 1840 "- error %d\n", error); 1841 return (ENOMEM); 1842 } 1843 1844 devq = cam_simq_alloc(/*maxopenings*/SBP_NUM_OCB); 1845 if (devq == NULL) 1846 return (ENXIO); 1847 1848 for( i = 0 ; i < SBP_NUM_TARGETS ; i++){ 1849 sbp->targets[i].fwdev = NULL; 1850 sbp->targets[i].luns = NULL; 1851 } 1852 1853 sbp->sim = cam_sim_alloc(sbp_action, sbp_poll, "sbp", sbp, 1854 device_get_unit(dev), 1855 /*untagged*/ 1, 1856 /*tagged*/ SBP_QUEUE_LEN, 1857 devq); 1858 1859 if (sbp->sim == NULL) { 1860 cam_simq_free(devq); 1861 return (ENXIO); 1862 } 1863 1864 1865 if (xpt_bus_register(sbp->sim, /*bus*/0) != CAM_SUCCESS) 1866 goto fail; 1867 1868 if (xpt_create_path(&sbp->path, xpt_periph, cam_sim_path(sbp->sim), 1869 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) 1870 goto fail; 1871 1872 sbp->fwb.start_hi = SBP_BIND_HI; 1873 sbp->fwb.start_lo = SBP_DEV2ADDR(device_get_unit(sbp->fd.dev), 0, 0); 1874 /* We reserve 16 bit space (4 bytes X 64 targets X 256 luns) */ 1875 sbp->fwb.addrlen = 0xffff; 1876 sbp->fwb.act_type = FWACT_XFER; 1877 /* pre-allocate xfer */ 1878 STAILQ_INIT(&sbp->fwb.xferlist); 1879 for (i = 0; i < SBP_NUM_OCB/2; i ++) { 1880 xfer = fw_xfer_alloc_buf(M_SBP, 1881 #if NEED_RESPONSE 1882 /* send */12, 1883 #else 1884 /* send */0, 1885 #endif 1886 /* recv */SBP_RECV_LEN); 1887 xfer->act.hand = sbp_recv; 1888 #if NEED_RESPONSE 1889 xfer->fc = sbp->fd.fc; 1890 #endif 1891 xfer->sc = (caddr_t)sbp; 1892 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link); 1893 } 1894 fw_bindadd(sbp->fd.fc, &sbp->fwb); 1895 1896 sbp->fd.post_busreset = sbp_post_busreset; 1897 sbp->fd.post_explore = sbp_post_explore; 1898 1899 if (sbp->fd.fc->status != -1) { 1900 s = splfw(); 1901 sbp_post_explore((void *)sbp); 1902 splx(s); 1903 } 1904 1905 return (0); 1906 fail: 1907 cam_sim_free(sbp->sim, /*free_devq*/TRUE); 1908 return (ENXIO); 1909 } 1910 1911 static int 1912 sbp_logout_all(struct sbp_softc *sbp) 1913 { 1914 struct sbp_target *target; 1915 struct sbp_dev *sdev; 1916 int i, j; 1917 1918 SBP_DEBUG(0) 1919 printf("sbp_logout_all\n"); 1920 END_DEBUG 1921 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) { 1922 target = &sbp->targets[i]; 1923 if (target->luns == NULL) 1924 continue; 1925 for (j = 0; j < target->num_lun; j++) { 1926 sdev = &target->luns[j]; 1927 callout_stop(&sdev->login_callout); 1928 if (sdev->status >= SBP_DEV_TOATTACH && 1929 sdev->status <= SBP_DEV_ATTACHED) 1930 sbp_mgm_orb(sdev, ORB_FUN_LGO, NULL); 1931 } 1932 } 1933 1934 return 0; 1935 } 1936 1937 static int 1938 sbp_shutdown(device_t dev) 1939 { 1940 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 1941 1942 sbp_logout_all(sbp); 1943 return (0); 1944 } 1945 1946 static int 1947 sbp_detach(device_t dev) 1948 { 1949 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 1950 struct firewire_comm *fc = sbp->fd.fc; 1951 struct sbp_target *target; 1952 struct sbp_dev *sdev; 1953 struct fw_xfer *xfer, *next; 1954 int i, j; 1955 1956 SBP_DEBUG(0) 1957 printf("sbp_detach\n"); 1958 END_DEBUG 1959 1960 for (i = 0; i < SBP_NUM_TARGETS; i ++) 1961 sbp_cam_detach_target(&sbp->targets[i]); 1962 xpt_free_path(sbp->path); 1963 xpt_bus_deregister(cam_sim_path(sbp->sim)); 1964 1965 sbp_logout_all(sbp); 1966 1967 /* XXX wait for logout completion */ 1968 tsleep(&i, FWPRI, "sbpdtc", hz/2); 1969 1970 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) { 1971 target = &sbp->targets[i]; 1972 if (target->luns == NULL) 1973 continue; 1974 callout_stop(&target->mgm_ocb_timeout); 1975 for (j = 0; j < target->num_lun; j++) { 1976 sdev = &target->luns[j]; 1977 if (sdev->status != SBP_DEV_DEAD) { 1978 for (i = 0; i < SBP_QUEUE_LEN; i++) 1979 bus_dmamap_destroy(sbp->dmat, 1980 sdev->ocb[i].dmamap); 1981 fwdma_free(sbp->fd.fc, &sdev->dma); 1982 } 1983 } 1984 for (xfer = STAILQ_FIRST(&target->xferlist); 1985 xfer != NULL; xfer = next) { 1986 next = STAILQ_NEXT(xfer, link); 1987 fw_xfer_free(xfer); 1988 } 1989 free(target->luns, M_SBP); 1990 } 1991 1992 for (xfer = STAILQ_FIRST(&sbp->fwb.xferlist); 1993 xfer != NULL; xfer = next) { 1994 next = STAILQ_NEXT(xfer, link); 1995 fw_xfer_free(xfer); 1996 } 1997 STAILQ_INIT(&sbp->fwb.xferlist); 1998 fw_bindremove(fc, &sbp->fwb); 1999 2000 bus_dma_tag_destroy(sbp->dmat); 2001 2002 return (0); 2003 } 2004 2005 static void 2006 sbp_cam_detach_target(struct sbp_target *target) 2007 { 2008 struct sbp_dev *sdev; 2009 int i; 2010 2011 if (target->luns != NULL) { 2012 SBP_DEBUG(0) 2013 printf("sbp_detach_target %d\n", target->target_id); 2014 END_DEBUG 2015 callout_stop(&target->scan_callout); 2016 for (i = 0; i < target->num_lun; i++) { 2017 sdev = &target->luns[i]; 2018 if (sdev->status == SBP_DEV_DEAD) 2019 continue; 2020 if (sdev->status == SBP_DEV_RESET) 2021 continue; 2022 if (sdev->path) { 2023 xpt_release_devq(sdev->path, 2024 sdev->freeze, TRUE); 2025 sdev->freeze = 0; 2026 xpt_async(AC_LOST_DEVICE, sdev->path, NULL); 2027 xpt_free_path(sdev->path); 2028 sdev->path = NULL; 2029 } 2030 sbp_abort_all_ocbs(sdev, CAM_DEV_NOT_THERE); 2031 } 2032 } 2033 } 2034 2035 static void 2036 sbp_target_reset(struct sbp_dev *sdev, int method) 2037 { 2038 int i; 2039 struct sbp_target *target = sdev->target; 2040 struct sbp_dev *tsdev; 2041 2042 for (i = 0; i < target->num_lun; i++) { 2043 tsdev = &target->luns[i]; 2044 if (tsdev->status == SBP_DEV_DEAD) 2045 continue; 2046 if (tsdev->status == SBP_DEV_RESET) 2047 continue; 2048 xpt_freeze_devq(tsdev->path, 1); 2049 tsdev->freeze ++; 2050 sbp_abort_all_ocbs(tsdev, CAM_CMD_TIMEOUT); 2051 if (method == 2) 2052 tsdev->status = SBP_DEV_LOGIN; 2053 } 2054 switch(method) { 2055 case 1: 2056 printf("target reset\n"); 2057 sbp_mgm_orb(sdev, ORB_FUN_RST, NULL); 2058 break; 2059 case 2: 2060 printf("reset start\n"); 2061 sbp_reset_start(sdev); 2062 break; 2063 } 2064 2065 } 2066 2067 static void 2068 sbp_mgm_timeout(void *arg) 2069 { 2070 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 2071 struct sbp_dev *sdev = ocb->sdev; 2072 struct sbp_target *target = sdev->target; 2073 2074 sbp_show_sdev_info(sdev, 2); 2075 printf("management ORB timeout\n"); 2076 target->mgm_ocb_cur = NULL; 2077 sbp_free_ocb(sdev, ocb); 2078 #if 0 2079 /* XXX */ 2080 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 2081 #endif 2082 #if 0 2083 sbp_reset_start(sdev); 2084 #endif 2085 } 2086 2087 static void 2088 sbp_timeout(void *arg) 2089 { 2090 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 2091 struct sbp_dev *sdev = ocb->sdev; 2092 2093 sbp_show_sdev_info(sdev, 2); 2094 printf("request timeout ... "); 2095 2096 sdev->timeout ++; 2097 switch(sdev->timeout) { 2098 case 1: 2099 printf("agent reset\n"); 2100 xpt_freeze_devq(sdev->path, 1); 2101 sdev->freeze ++; 2102 sbp_abort_all_ocbs(sdev, CAM_CMD_TIMEOUT); 2103 sbp_agent_reset(sdev); 2104 break; 2105 case 2: 2106 case 3: 2107 sbp_target_reset(sdev, sdev->timeout - 1); 2108 break; 2109 #if 0 2110 default: 2111 /* XXX give up */ 2112 sbp_cam_detach_target(target); 2113 if (target->luns != NULL) 2114 free(target->luns, M_SBP); 2115 target->num_lun = 0;; 2116 target->luns = NULL; 2117 target->fwdev = NULL; 2118 #endif 2119 } 2120 } 2121 2122 static void 2123 sbp_action1(struct cam_sim *sim, union ccb *ccb) 2124 { 2125 2126 struct sbp_softc *sbp = (struct sbp_softc *)sim->softc; 2127 struct sbp_target *target = NULL; 2128 struct sbp_dev *sdev = NULL; 2129 2130 /* target:lun -> sdev mapping */ 2131 if (sbp != NULL 2132 && ccb->ccb_h.target_id != CAM_TARGET_WILDCARD 2133 && ccb->ccb_h.target_id < SBP_NUM_TARGETS) { 2134 target = &sbp->targets[ccb->ccb_h.target_id]; 2135 if (target->fwdev != NULL 2136 && ccb->ccb_h.target_lun != CAM_LUN_WILDCARD 2137 && ccb->ccb_h.target_lun < target->num_lun) { 2138 sdev = &target->luns[ccb->ccb_h.target_lun]; 2139 if (sdev->status != SBP_DEV_ATTACHED && 2140 sdev->status != SBP_DEV_PROBE) 2141 sdev = NULL; 2142 } 2143 } 2144 2145 SBP_DEBUG(1) 2146 if (sdev == NULL) 2147 printf("invalid target %d lun %d\n", 2148 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2149 END_DEBUG 2150 2151 switch (ccb->ccb_h.func_code) { 2152 case XPT_SCSI_IO: 2153 case XPT_RESET_DEV: 2154 case XPT_GET_TRAN_SETTINGS: 2155 case XPT_SET_TRAN_SETTINGS: 2156 case XPT_CALC_GEOMETRY: 2157 if (sdev == NULL) { 2158 SBP_DEBUG(1) 2159 printf("%s:%d:%d:func_code 0x%04x: " 2160 "Invalid target (target needed)\n", 2161 device_get_nameunit(sbp->fd.dev), 2162 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2163 ccb->ccb_h.func_code); 2164 END_DEBUG 2165 2166 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2167 xpt_done(ccb); 2168 return; 2169 } 2170 break; 2171 case XPT_PATH_INQ: 2172 case XPT_NOOP: 2173 /* The opcodes sometimes aimed at a target (sc is valid), 2174 * sometimes aimed at the SIM (sc is invalid and target is 2175 * CAM_TARGET_WILDCARD) 2176 */ 2177 if (sbp == NULL && 2178 ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) { 2179 SBP_DEBUG(0) 2180 printf("%s:%d:%d func_code 0x%04x: " 2181 "Invalid target (no wildcard)\n", 2182 device_get_nameunit(sbp->fd.dev), 2183 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2184 ccb->ccb_h.func_code); 2185 END_DEBUG 2186 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2187 xpt_done(ccb); 2188 return; 2189 } 2190 break; 2191 default: 2192 /* XXX Hm, we should check the input parameters */ 2193 break; 2194 } 2195 2196 switch (ccb->ccb_h.func_code) { 2197 case XPT_SCSI_IO: 2198 { 2199 struct ccb_scsiio *csio; 2200 struct sbp_ocb *ocb; 2201 int speed; 2202 void *cdb; 2203 2204 csio = &ccb->csio; 2205 2206 SBP_DEBUG(1) 2207 printf("%s:%d:%d XPT_SCSI_IO: " 2208 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 2209 ", flags: 0x%02x, " 2210 "%db cmd/%db data/%db sense\n", 2211 device_get_nameunit(sbp->fd.dev), 2212 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2213 csio->cdb_io.cdb_bytes[0], 2214 csio->cdb_io.cdb_bytes[1], 2215 csio->cdb_io.cdb_bytes[2], 2216 csio->cdb_io.cdb_bytes[3], 2217 csio->cdb_io.cdb_bytes[4], 2218 csio->cdb_io.cdb_bytes[5], 2219 csio->cdb_io.cdb_bytes[6], 2220 csio->cdb_io.cdb_bytes[7], 2221 csio->cdb_io.cdb_bytes[8], 2222 csio->cdb_io.cdb_bytes[9], 2223 ccb->ccb_h.flags & CAM_DIR_MASK, 2224 csio->cdb_len, csio->dxfer_len, 2225 csio->sense_len); 2226 END_DEBUG 2227 if(sdev == NULL){ 2228 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2229 xpt_done(ccb); 2230 return; 2231 } 2232 #if 0 2233 /* if we are in probe stage, pass only probe commands */ 2234 if (sdev->status == SBP_DEV_PROBE) { 2235 char *name; 2236 name = xpt_path_periph(ccb->ccb_h.path)->periph_name; 2237 printf("probe stage, periph name: %s\n", name); 2238 if (strcmp(name, "probe") != 0) { 2239 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2240 xpt_done(ccb); 2241 return; 2242 } 2243 } 2244 #endif 2245 if ((ocb = sbp_get_ocb(sdev)) == NULL) 2246 return; 2247 2248 ocb->flags = OCB_ACT_CMD; 2249 ocb->sdev = sdev; 2250 ocb->ccb = ccb; 2251 ccb->ccb_h.ccb_sdev_ptr = sdev; 2252 ocb->orb[0] = htonl(1 << 31); 2253 ocb->orb[1] = 0; 2254 ocb->orb[2] = htonl(((sbp->fd.fc->nodeid | FWLOCALBUS )<< 16) ); 2255 ocb->orb[3] = htonl(ocb->bus_addr + IND_PTR_OFFSET); 2256 speed = min(target->fwdev->speed, max_speed); 2257 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_CMD_SPD(speed) 2258 | ORB_CMD_MAXP(speed + 7)); 2259 if((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN){ 2260 ocb->orb[4] |= htonl(ORB_CMD_IN); 2261 } 2262 2263 if (csio->ccb_h.flags & CAM_SCATTER_VALID) 2264 printf("sbp: CAM_SCATTER_VALID\n"); 2265 if (csio->ccb_h.flags & CAM_DATA_PHYS) 2266 printf("sbp: CAM_DATA_PHYS\n"); 2267 2268 if (csio->ccb_h.flags & CAM_CDB_POINTER) 2269 cdb = (void *)csio->cdb_io.cdb_ptr; 2270 else 2271 cdb = (void *)&csio->cdb_io.cdb_bytes; 2272 bcopy(cdb, 2273 (void *)(uintptr_t)(volatile void *)&ocb->orb[5], 2274 csio->cdb_len); 2275 /* 2276 printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[0]), ntohl(ocb->orb[1]), ntohl(ocb->orb[2]), ntohl(ocb->orb[3])); 2277 printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[4]), ntohl(ocb->orb[5]), ntohl(ocb->orb[6]), ntohl(ocb->orb[7])); 2278 */ 2279 if (ccb->csio.dxfer_len > 0) { 2280 int s, error; 2281 2282 s = splsoftvm(); 2283 error = bus_dmamap_load(/*dma tag*/sbp->dmat, 2284 /*dma map*/ocb->dmamap, 2285 ccb->csio.data_ptr, 2286 ccb->csio.dxfer_len, 2287 sbp_execute_ocb, 2288 ocb, 2289 /*flags*/0); 2290 splx(s); 2291 if (error) 2292 printf("sbp: bus_dmamap_load error %d\n", error); 2293 } else 2294 sbp_execute_ocb(ocb, NULL, 0, 0); 2295 break; 2296 } 2297 case XPT_CALC_GEOMETRY: 2298 { 2299 struct ccb_calc_geometry *ccg; 2300 u_int32_t size_mb; 2301 u_int32_t secs_per_cylinder; 2302 int extended = 1; 2303 ccg = &ccb->ccg; 2304 2305 if (ccg->block_size == 0) { 2306 printf("sbp_action1: block_size is 0.\n"); 2307 ccb->ccb_h.status = CAM_REQ_INVALID; 2308 xpt_done(ccb); 2309 break; 2310 } 2311 SBP_DEBUG(1) 2312 printf("%s:%d:%d:%d:XPT_CALC_GEOMETRY: " 2313 #if __FreeBSD_version >= 500000 2314 "Volume size = %jd\n", 2315 #else 2316 "Volume size = %d\n", 2317 #endif 2318 device_get_nameunit(sbp->fd.dev), 2319 cam_sim_path(sbp->sim), 2320 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2321 #if __FreeBSD_version >= 500000 2322 (uintmax_t) 2323 #endif 2324 ccg->volume_size); 2325 END_DEBUG 2326 2327 size_mb = ccg->volume_size 2328 / ((1024L * 1024L) / ccg->block_size); 2329 2330 if (size_mb >= 1024 && extended) { 2331 ccg->heads = 255; 2332 ccg->secs_per_track = 63; 2333 } else { 2334 ccg->heads = 64; 2335 ccg->secs_per_track = 32; 2336 } 2337 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 2338 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 2339 ccb->ccb_h.status = CAM_REQ_CMP; 2340 xpt_done(ccb); 2341 break; 2342 } 2343 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 2344 { 2345 2346 SBP_DEBUG(1) 2347 printf("%s:%d:XPT_RESET_BUS: \n", 2348 device_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim)); 2349 END_DEBUG 2350 2351 ccb->ccb_h.status = CAM_REQ_INVALID; 2352 xpt_done(ccb); 2353 break; 2354 } 2355 case XPT_PATH_INQ: /* Path routing inquiry */ 2356 { 2357 struct ccb_pathinq *cpi = &ccb->cpi; 2358 2359 SBP_DEBUG(1) 2360 printf("%s:%d:%d XPT_PATH_INQ:.\n", 2361 device_get_nameunit(sbp->fd.dev), 2362 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2363 END_DEBUG 2364 cpi->version_num = 1; /* XXX??? */ 2365 cpi->hba_inquiry = PI_TAG_ABLE; 2366 cpi->target_sprt = 0; 2367 cpi->hba_misc = PIM_NOBUSRESET; 2368 cpi->hba_eng_cnt = 0; 2369 cpi->max_target = SBP_NUM_TARGETS - 1; 2370 cpi->max_lun = SBP_NUM_LUNS - 1; 2371 cpi->initiator_id = SBP_INITIATOR; 2372 cpi->bus_id = sim->bus_id; 2373 cpi->base_transfer_speed = 400 * 1000 / 8; 2374 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 2375 strncpy(cpi->hba_vid, "SBP", HBA_IDLEN); 2376 strncpy(cpi->dev_name, sim->sim_name, DEV_IDLEN); 2377 cpi->unit_number = sim->unit_number; 2378 2379 cpi->ccb_h.status = CAM_REQ_CMP; 2380 xpt_done(ccb); 2381 break; 2382 } 2383 case XPT_GET_TRAN_SETTINGS: 2384 { 2385 struct ccb_trans_settings *cts = &ccb->cts; 2386 SBP_DEBUG(1) 2387 printf("%s:%d:%d XPT_GET_TRAN_SETTINGS:.\n", 2388 device_get_nameunit(sbp->fd.dev), 2389 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2390 END_DEBUG 2391 /* Enable disconnect and tagged queuing */ 2392 cts->valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID; 2393 cts->flags = CCB_TRANS_DISC_ENB | CCB_TRANS_TAG_ENB; 2394 2395 cts->ccb_h.status = CAM_REQ_CMP; 2396 xpt_done(ccb); 2397 break; 2398 } 2399 case XPT_ABORT: 2400 ccb->ccb_h.status = CAM_UA_ABORT; 2401 xpt_done(ccb); 2402 break; 2403 case XPT_SET_TRAN_SETTINGS: 2404 /* XXX */ 2405 default: 2406 ccb->ccb_h.status = CAM_REQ_INVALID; 2407 xpt_done(ccb); 2408 break; 2409 } 2410 return; 2411 } 2412 2413 static void 2414 sbp_action(struct cam_sim *sim, union ccb *ccb) 2415 { 2416 int s; 2417 2418 s = splfw(); 2419 sbp_action1(sim, ccb); 2420 splx(s); 2421 } 2422 2423 static void 2424 sbp_execute_ocb(void *arg, bus_dma_segment_t *segments, int seg, int error) 2425 { 2426 int i; 2427 struct sbp_ocb *ocb; 2428 struct sbp_ocb *prev; 2429 bus_dma_segment_t *s; 2430 2431 if (error) 2432 printf("sbp_execute_ocb: error=%d\n", error); 2433 2434 ocb = (struct sbp_ocb *)arg; 2435 2436 SBP_DEBUG(1) 2437 printf("sbp_execute_ocb: seg %d", seg); 2438 for (i = 0; i < seg; i++) 2439 #if __FreeBSD_version >= 500000 2440 printf(", %jx:%jd", (uintmax_t)segments[i].ds_addr, 2441 (uintmax_t)segments[i].ds_len); 2442 #else 2443 printf(", %x:%d", segments[i].ds_addr, segments[i].ds_len); 2444 #endif 2445 printf("\n"); 2446 END_DEBUG 2447 2448 if (seg == 1) { 2449 /* direct pointer */ 2450 s = &segments[0]; 2451 if (s->ds_len > SBP_SEG_MAX) 2452 panic("ds_len > SBP_SEG_MAX, fix busdma code"); 2453 ocb->orb[3] = htonl(s->ds_addr); 2454 ocb->orb[4] |= htonl(s->ds_len); 2455 } else if(seg > 1) { 2456 /* page table */ 2457 for (i = 0; i < seg; i++) { 2458 s = &segments[i]; 2459 SBP_DEBUG(0) 2460 /* XXX LSI Logic "< 16 byte" bug might be hit */ 2461 if (s->ds_len < 16) 2462 printf("sbp_execute_ocb: warning, " 2463 #if __FreeBSD_version >= 500000 2464 "segment length(%zd) is less than 16." 2465 #else 2466 "segment length(%d) is less than 16." 2467 #endif 2468 "(seg=%d/%d)\n", s->ds_len, i+1, seg); 2469 END_DEBUG 2470 if (s->ds_len > SBP_SEG_MAX) 2471 panic("ds_len > SBP_SEG_MAX, fix busdma code"); 2472 ocb->ind_ptr[i].hi = htonl(s->ds_len << 16); 2473 ocb->ind_ptr[i].lo = htonl(s->ds_addr); 2474 } 2475 ocb->orb[4] |= htonl(ORB_CMD_PTBL | seg); 2476 } 2477 2478 if (seg > 0) 2479 bus_dmamap_sync(ocb->sdev->target->sbp->dmat, ocb->dmamap, 2480 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2481 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE); 2482 prev = sbp_enqueue_ocb(ocb->sdev, ocb); 2483 fwdma_sync(&ocb->sdev->dma, BUS_DMASYNC_PREWRITE); 2484 if (prev == NULL) 2485 sbp_orb_pointer(ocb->sdev, ocb); 2486 } 2487 2488 static void 2489 sbp_poll(struct cam_sim *sim) 2490 { 2491 /* should call fwohci_intr? */ 2492 return; 2493 } 2494 static struct sbp_ocb * 2495 sbp_dequeue_ocb(struct sbp_dev *sdev, struct sbp_status *sbp_status) 2496 { 2497 struct sbp_ocb *ocb; 2498 struct sbp_ocb *next; 2499 int s = splfw(), order = 0; 2500 int flags; 2501 2502 for (ocb = STAILQ_FIRST(&sdev->ocbs); ocb != NULL; ocb = next) { 2503 next = STAILQ_NEXT(ocb, ocb); 2504 flags = ocb->flags; 2505 SBP_DEBUG(1) 2506 sbp_show_sdev_info(sdev, 2); 2507 #if __FreeBSD_version >= 500000 2508 printf("orb: 0x%jx next: 0x%x, flags %x\n", 2509 (uintmax_t)ocb->bus_addr, 2510 #else 2511 printf("orb: 0x%x next: 0x%lx, flags %x\n", 2512 ocb->bus_addr, 2513 #endif 2514 ntohl(ocb->orb[1]), flags); 2515 END_DEBUG 2516 if (OCB_MATCH(ocb, sbp_status)) { 2517 /* found */ 2518 STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb); 2519 if (ocb->ccb != NULL) 2520 untimeout(sbp_timeout, (caddr_t)ocb, 2521 ocb->ccb->ccb_h.timeout_ch); 2522 if (ntohl(ocb->orb[4]) & 0xffff) { 2523 bus_dmamap_sync(sdev->target->sbp->dmat, 2524 ocb->dmamap, 2525 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2526 BUS_DMASYNC_POSTREAD : 2527 BUS_DMASYNC_POSTWRITE); 2528 bus_dmamap_unload(sdev->target->sbp->dmat, 2529 ocb->dmamap); 2530 } 2531 if (next != NULL && sbp_status->src == 1) 2532 sbp_orb_pointer(sdev, next); 2533 break; 2534 } else 2535 order ++; 2536 } 2537 splx(s); 2538 SBP_DEBUG(0) 2539 if (ocb && order > 0) { 2540 sbp_show_sdev_info(sdev, 2); 2541 printf("unordered execution order:%d\n", order); 2542 } 2543 END_DEBUG 2544 return (ocb); 2545 } 2546 2547 static struct sbp_ocb * 2548 sbp_enqueue_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 2549 { 2550 int s = splfw(); 2551 struct sbp_ocb *prev; 2552 2553 SBP_DEBUG(2) 2554 sbp_show_sdev_info(sdev, 2); 2555 #if __FreeBSD_version >= 500000 2556 printf("sbp_enqueue_ocb orb=0x%jx in physical memory\n", 2557 (uintmax_t)ocb->bus_addr); 2558 #else 2559 printf("sbp_enqueue_ocb orb=0x%x in physical memory\n", ocb->bus_addr); 2560 #endif 2561 END_DEBUG 2562 prev = STAILQ_LAST(&sdev->ocbs, sbp_ocb, ocb); 2563 STAILQ_INSERT_TAIL(&sdev->ocbs, ocb, ocb); 2564 2565 if (ocb->ccb != NULL) 2566 ocb->ccb->ccb_h.timeout_ch = timeout(sbp_timeout, (caddr_t)ocb, 2567 (ocb->ccb->ccb_h.timeout * hz) / 1000); 2568 2569 if (prev != NULL ) { 2570 SBP_DEBUG(1) 2571 #if __FreeBSD_version >= 500000 2572 printf("linking chain 0x%jx -> 0x%jx\n", 2573 (uintmax_t)prev->bus_addr, (uintmax_t)ocb->bus_addr); 2574 #else 2575 printf("linking chain 0x%x -> 0x%x\n", prev->bus_addr, ocb->bus_addr); 2576 #endif 2577 END_DEBUG 2578 prev->orb[1] = htonl(ocb->bus_addr); 2579 prev->orb[0] = 0; 2580 } 2581 splx(s); 2582 2583 return prev; 2584 } 2585 2586 static struct sbp_ocb * 2587 sbp_get_ocb(struct sbp_dev *sdev) 2588 { 2589 struct sbp_ocb *ocb; 2590 int s = splfw(); 2591 ocb = STAILQ_FIRST(&sdev->free_ocbs); 2592 if (ocb == NULL) { 2593 printf("ocb shortage!!!\n"); 2594 return NULL; 2595 } 2596 STAILQ_REMOVE_HEAD(&sdev->free_ocbs, ocb); 2597 splx(s); 2598 ocb->ccb = NULL; 2599 return (ocb); 2600 } 2601 2602 static void 2603 sbp_free_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 2604 { 2605 ocb->flags = 0; 2606 ocb->ccb = NULL; 2607 STAILQ_INSERT_TAIL(&sdev->free_ocbs, ocb, ocb); 2608 } 2609 2610 static void 2611 sbp_abort_ocb(struct sbp_ocb *ocb, int status) 2612 { 2613 struct sbp_dev *sdev; 2614 2615 sdev = ocb->sdev; 2616 SBP_DEBUG(0) 2617 sbp_show_sdev_info(sdev, 2); 2618 #if __FreeBSD_version >= 500000 2619 printf("sbp_abort_ocb 0x%jx\n", (uintmax_t)ocb->bus_addr); 2620 #else 2621 printf("sbp_abort_ocb 0x%x\n", ocb->bus_addr); 2622 #endif 2623 END_DEBUG 2624 SBP_DEBUG(1) 2625 if (ocb->ccb != NULL) 2626 sbp_print_scsi_cmd(ocb); 2627 END_DEBUG 2628 if (ntohl(ocb->orb[4]) & 0xffff) { 2629 bus_dmamap_sync(sdev->target->sbp->dmat, ocb->dmamap, 2630 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2631 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 2632 bus_dmamap_unload(sdev->target->sbp->dmat, ocb->dmamap); 2633 } 2634 if (ocb->ccb != NULL) { 2635 untimeout(sbp_timeout, (caddr_t)ocb, 2636 ocb->ccb->ccb_h.timeout_ch); 2637 ocb->ccb->ccb_h.status = status; 2638 xpt_done(ocb->ccb); 2639 } 2640 sbp_free_ocb(sdev, ocb); 2641 } 2642 2643 static void 2644 sbp_abort_all_ocbs(struct sbp_dev *sdev, int status) 2645 { 2646 int s; 2647 struct sbp_ocb *ocb, *next; 2648 STAILQ_HEAD(, sbp_ocb) temp; 2649 2650 s = splfw(); 2651 2652 bcopy(&sdev->ocbs, &temp, sizeof(temp)); 2653 STAILQ_INIT(&sdev->ocbs); 2654 for (ocb = STAILQ_FIRST(&temp); ocb != NULL; ocb = next) { 2655 next = STAILQ_NEXT(ocb, ocb); 2656 sbp_abort_ocb(ocb, status); 2657 } 2658 2659 splx(s); 2660 } 2661 2662 static devclass_t sbp_devclass; 2663 2664 static device_method_t sbp_methods[] = { 2665 /* device interface */ 2666 DEVMETHOD(device_identify, sbp_identify), 2667 DEVMETHOD(device_probe, sbp_probe), 2668 DEVMETHOD(device_attach, sbp_attach), 2669 DEVMETHOD(device_detach, sbp_detach), 2670 DEVMETHOD(device_shutdown, sbp_shutdown), 2671 2672 { 0, 0 } 2673 }; 2674 2675 static driver_t sbp_driver = { 2676 "sbp", 2677 sbp_methods, 2678 sizeof(struct sbp_softc), 2679 }; 2680 2681 DECLARE_DUMMY_MODULE(sbp); 2682 DRIVER_MODULE(sbp, firewire, sbp_driver, sbp_devclass, 0, 0); 2683 MODULE_VERSION(sbp, 1); 2684 MODULE_DEPEND(sbp, firewire, 1, 1, 1); 2685 MODULE_DEPEND(sbp, cam, 1, 1, 1); 2686