sbp.c revision 111704
1/* 2 * Copyright (c) 1998,1999,2000,2001 Katsushi Kobayashi and Hidetosh Shimokawa 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the acknowledgement as bellow: 15 * 16 * This product includes software developed by K. Kobayashi and H. Shimokawa 17 * 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 23 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 24 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 25 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 26 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 27 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 29 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 30 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 * 33 * $FreeBSD: head/sys/dev/firewire/sbp.c 111704 2003-03-01 16:50:40Z simokawa $ 34 * 35 */ 36 37#include <sys/param.h> 38#include <sys/systm.h> 39#include <sys/module.h> 40#include <sys/bus.h> 41#include <sys/mbuf.h> 42#include <sys/sysctl.h> 43#include <machine/bus.h> 44#include <sys/malloc.h> 45#include <sys/devicestat.h> /* for struct devstat */ 46 47 48#include <cam/cam.h> 49#include <cam/cam_ccb.h> 50#include <cam/cam_sim.h> 51#include <cam/cam_xpt_sim.h> 52#include <cam/cam_debug.h> 53#include <cam/cam_periph.h> 54 55#include <cam/scsi/scsi_all.h> 56#include <cam/scsi/scsi_message.h> 57#include <cam/scsi/scsi_da.h> 58 59#include <sys/kernel.h> 60 61#include <vm/vm.h> 62#include <vm/pmap.h> 63 64#include <dev/firewire/firewire.h> 65#include <dev/firewire/firewirereg.h> 66#include <dev/firewire/iec13213.h> 67 68#define ccb_sdev_ptr spriv_ptr0 69#define ccb_sbp_ptr spriv_ptr1 70 71#define SBP_NUM_TARGETS 8 /* MAX 64 */ 72#define SBP_NUM_LUNS 8 /* limited by CAM_SCSI2_MAXLUN in cam_xpt.c */ 73#define SBP_QUEUE_LEN 4 74#define SBP_NUM_OCB (SBP_QUEUE_LEN * SBP_NUM_TARGETS) 75#define SBP_INITIATOR 7 76 77#define LOGIN_DELAY 2 78 79/* 80 * STATUS FIFO addressing 81 * bit 82 * ----------------------- 83 * 0- 1( 2): 0 (alingment) 84 * 2- 7( 6): target 85 * 8-15( 8): lun 86 * 16-23( 8): unit 87 * 24-31( 8): reserved 88 * 32-47(16): SBP_BIND_HI 89 * 48-64(16): bus_id, node_id 90 */ 91#define SBP_BIND_HI 0x1 92#define SBP_DEV2ADDR(u, t, l) \ 93 ((((u) & 0xff) << 16) | (((l) & 0xff) << 8) | (((t) & 0x3f) << 2)) 94#define SBP_ADDR2TRG(a) (((a) >> 2) & 0x3f) 95#define SBP_ADDR2LUN(a) (((a) >> 8) & 0xff) 96 97#define ORB_NOTIFY (1 << 31) 98#define ORB_FMT_STD (0 << 29) 99#define ORB_FMT_VED (2 << 29) 100#define ORB_FMT_NOP (3 << 29) 101#define ORB_FMT_MSK (3 << 29) 102#define ORB_EXV (1 << 28) 103/* */ 104#define ORB_CMD_IN (1 << 27) 105/* */ 106#define ORB_CMD_SPD(x) ((x) << 24) 107#define ORB_CMD_MAXP(x) ((x) << 20) 108#define ORB_RCN_TMO(x) ((x) << 20) 109#define ORB_CMD_PTBL (1 << 19) 110#define ORB_CMD_PSZ(x) ((x) << 16) 111 112#define ORB_FUN_LGI (0 << 16) 113#define ORB_FUN_QLG (1 << 16) 114#define ORB_FUN_RCN (3 << 16) 115#define ORB_FUN_LGO (7 << 16) 116#define ORB_FUN_ATA (0xb << 16) 117#define ORB_FUN_ATS (0xc << 16) 118#define ORB_FUN_LUR (0xe << 16) 119#define ORB_FUN_RST (0xf << 16) 120#define ORB_FUN_MSK (0xf << 16) 121#define ORB_FUN_RUNQUEUE 0xffff 122 123static char *orb_fun_name[] = { 124 /* 0 */ "LOGIN", 125 /* 1 */ "QUERY LOGINS", 126 /* 2 */ "Reserved", 127 /* 3 */ "RECONNECT", 128 /* 4 */ "SET PASSWORD", 129 /* 5 */ "Reserved", 130 /* 6 */ "Reserved", 131 /* 7 */ "LOGOUT", 132 /* 8 */ "Reserved", 133 /* 9 */ "Reserved", 134 /* A */ "Reserved", 135 /* B */ "ABORT TASK", 136 /* C */ "ABORT TASK SET", 137 /* D */ "Reserved", 138 /* E */ "LOGICAL UNIT RESET", 139 /* F */ "TARGET RESET" 140}; 141 142#define ORB_RES_CMPL 0 143#define ORB_RES_FAIL 1 144#define ORB_RES_ILLE 2 145#define ORB_RES_VEND 3 146 147static int debug = 0; 148static int auto_login = 1; 149static int max_speed = 2; 150static int sbp_cold = 1; 151 152SYSCTL_DECL(_hw_firewire); 153SYSCTL_NODE(_hw_firewire, OID_AUTO, sbp, CTLFLAG_RD, 0, "SBP-II Subsystem"); 154SYSCTL_INT(_debug, OID_AUTO, sbp_debug, CTLFLAG_RW, &debug, 0, 155 "SBP debug flag"); 156SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, auto_login, CTLFLAG_RW, &auto_login, 0, 157 "SBP perform login automatically"); 158SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, max_speed, CTLFLAG_RW, &max_speed, 0, 159 "SBP transfer max speed"); 160 161#define SBP_DEBUG(x) if (debug > x) { 162#define END_DEBUG } 163 164#define NEED_RESPONSE 0 165 166struct ind_ptr { 167 u_int32_t hi,lo; 168}; 169#define SBP_IND_MAX 0x20 170struct sbp_ocb { 171 STAILQ_ENTRY(sbp_ocb) ocb; 172 union ccb *ccb; 173 volatile u_int32_t orb[8]; 174 volatile struct ind_ptr ind_ptr[SBP_IND_MAX]; 175 struct sbp_dev *sdev; 176 int flags; 177 bus_dmamap_t dmamap; 178}; 179#define OCB_ACT_MGM 0 180#define OCB_ACT_CMD 1 181#define OCB_ACT_MASK 3 182#define OCB_RESERVED 0x10 183#define OCB_DONE 0x20 184#define OCB_MATCH(o,s) (vtophys(&(o)->orb[0]) == ntohl((s)->orb_lo)) 185 186 187struct sbp_login_res{ 188 u_int16_t len; 189 u_int16_t id; 190 u_int16_t res0; 191 u_int16_t cmd_hi; 192 u_int32_t cmd_lo; 193 u_int16_t res1; 194 u_int16_t recon_hold; 195}; 196struct sbp_status{ 197 u_int8_t len:3, 198 dead:1, 199 resp:2, 200 src:2; 201 u_int8_t status:8; 202 u_int16_t orb_hi; 203 u_int32_t orb_lo; 204 u_int32_t data[6]; 205}; 206struct sbp_cmd_status{ 207#define SBP_SFMT_CURR 0 208#define SBP_SFMT_DEFER 1 209 u_int8_t status:6, 210 sfmt:2; 211 u_int8_t s_key:4, 212 ill_len:1, 213 eom:1, 214 mark:1, 215 valid:1; 216 u_int8_t s_code; 217 u_int8_t s_qlfr; 218 u_int32_t info; 219 u_int32_t cdb; 220 u_int32_t fru:8, 221 s_keydep:24; 222 u_int32_t vend[2]; 223}; 224 225struct sbp_dev{ 226#define SBP_DEV_RESET 0 /* accept login */ 227#if 0 228#define SBP_DEV_LOGIN 1 /* to login */ 229#define SBP_DEV_RECONN 2 /* to reconnect */ 230#endif 231#define SBP_DEV_TOATTACH 3 /* to attach */ 232#define SBP_DEV_PROBE 4 /* scan lun */ 233#define SBP_DEV_ATTACHED 5 /* in operation */ 234#define SBP_DEV_DEAD 6 /* unavailable unit */ 235#define SBP_DEV_RETRY 7 /* unavailable unit */ 236 u_int8_t status:4, 237#define SBP_DEV_TIMEOUT 1 238 flags:4; 239 u_int8_t type; 240 u_int16_t lun_id; 241 int freeze; 242 struct cam_path *path; 243 struct sbp_target *target; 244 struct sbp_login_res login; 245 struct callout login_callout; 246 STAILQ_HEAD(, sbp_ocb) ocbs; 247 char vendor[32]; 248 char product[32]; 249 char revision[10]; 250}; 251 252struct sbp_target { 253 int target_id; 254 int num_lun; 255 struct sbp_dev *luns; 256 struct sbp_softc *sbp; 257 struct fw_device *fwdev; 258 u_int32_t mgm_hi, mgm_lo; 259 struct sbp_ocb *mgm_ocb_cur; 260 STAILQ_HEAD(, sbp_ocb) mgm_ocb_queue; 261 struct callout mgm_ocb_timeout; 262#define SCAN_DELAY 2 263 struct callout scan_callout; 264}; 265 266struct sbp_softc { 267 struct firewire_dev_comm fd; 268 struct cam_sim *sim; 269 struct cam_path *path; 270 struct sbp_target targets[SBP_NUM_TARGETS]; 271 struct fw_bind fwb; 272 STAILQ_HEAD(, sbp_ocb) free_ocbs; 273 struct sbp_ocb *ocb; 274 bus_dma_tag_t dmat; 275#define SBP_RESOURCE_SHORTAGE 0x10 276 unsigned char flags; 277}; 278static void sbp_post_explore __P((void *)); 279static void sbp_recv __P((struct fw_xfer *)); 280static void sbp_login_callback __P((struct fw_xfer *)); 281static void sbp_cmd_callback __P((struct fw_xfer *)); 282static void sbp_orb_pointer __P((struct sbp_dev *, struct sbp_ocb *)); 283static void sbp_execute_ocb __P((void *, bus_dma_segment_t *, int, int)); 284static void sbp_free_ocb __P((struct sbp_softc *, struct sbp_ocb *)); 285static void sbp_abort_ocb __P((struct sbp_ocb *, int)); 286static void sbp_abort_all_ocbs __P((struct sbp_dev *, int)); 287static struct fw_xfer * sbp_write_cmd __P((struct sbp_dev *, int, int)); 288static struct sbp_ocb * sbp_get_ocb __P((struct sbp_softc *)); 289static struct sbp_ocb * sbp_enqueue_ocb __P((struct sbp_dev *, struct sbp_ocb *)); 290static struct sbp_ocb * sbp_dequeue_ocb __P((struct sbp_dev *, struct sbp_status *)); 291static void sbp_cam_detach_target __P((struct sbp_target *)); 292static void sbp_timeout __P((void *arg)); 293static void sbp_mgm_orb __P((struct sbp_dev *, int, struct sbp_ocb *)); 294#define sbp_login(sdev) \ 295 callout_reset(&(sdev)->login_callout, LOGIN_DELAY * hz, \ 296 sbp_login_callout, (void *)(sdev)); 297 298MALLOC_DEFINE(M_SBP, "sbp", "SBP-II/FireWire"); 299 300/* cam related functions */ 301static void sbp_action(struct cam_sim *sim, union ccb *ccb); 302static void sbp_poll(struct cam_sim *sim); 303static void sbp_cam_scan_lun(struct cam_periph *, union ccb *); 304static void sbp_cam_scan_target(void *arg); 305 306static char *orb_status0[] = { 307 /* 0 */ "No additional information to report", 308 /* 1 */ "Request type not supported", 309 /* 2 */ "Speed not supported", 310 /* 3 */ "Page size not supported", 311 /* 4 */ "Access denied", 312 /* 5 */ "Logical unit not supported", 313 /* 6 */ "Maximum payload too small", 314 /* 7 */ "Reserved for future standardization", 315 /* 8 */ "Resources unavailable", 316 /* 9 */ "Function rejected", 317 /* A */ "Login ID not recognized", 318 /* B */ "Dummy ORB completed", 319 /* C */ "Request aborted", 320 /* FF */ "Unspecified error" 321#define MAX_ORB_STATUS0 0xd 322}; 323 324static char *orb_status1_object[] = { 325 /* 0 */ "Operation request block (ORB)", 326 /* 1 */ "Data buffer", 327 /* 2 */ "Page table", 328 /* 3 */ "Unable to specify" 329}; 330 331static char *orb_status1_serial_bus_error[] = { 332 /* 0 */ "Missing acknowledge", 333 /* 1 */ "Reserved; not to be used", 334 /* 2 */ "Time-out error", 335 /* 3 */ "Reserved; not to be used", 336 /* 4 */ "Busy retry limit exceeded(X)", 337 /* 5 */ "Busy retry limit exceeded(A)", 338 /* 6 */ "Busy retry limit exceeded(B)", 339 /* 7 */ "Reserved for future standardization", 340 /* 8 */ "Reserved for future standardization", 341 /* 9 */ "Reserved for future standardization", 342 /* A */ "Reserved for future standardization", 343 /* B */ "Tardy retry limit exceeded", 344 /* C */ "Conflict error", 345 /* D */ "Data error", 346 /* E */ "Type error", 347 /* F */ "Address error" 348}; 349 350static void 351sbp_identify(driver_t *driver, device_t parent) 352{ 353 device_t child; 354SBP_DEBUG(0) 355 printf("sbp_identify\n"); 356END_DEBUG 357 358 child = BUS_ADD_CHILD(parent, 0, "sbp", device_get_unit(parent)); 359} 360 361/* 362 * sbp_probe() 363 */ 364static int 365sbp_probe(device_t dev) 366{ 367 device_t pa; 368 369SBP_DEBUG(0) 370 printf("sbp_probe\n"); 371END_DEBUG 372 373 pa = device_get_parent(dev); 374 if(device_get_unit(dev) != device_get_unit(pa)){ 375 return(ENXIO); 376 } 377 378 device_set_desc(dev, "SBP2/SCSI over firewire"); 379 380 if (bootverbose) 381 debug = bootverbose; 382 return (0); 383} 384 385static void 386sbp_show_sdev_info(struct sbp_dev *sdev, int new) 387{ 388 struct fw_device *fwdev; 389 390 printf("%s:%d:%d ", 391 device_get_nameunit(sdev->target->sbp->fd.dev), 392 sdev->target->target_id, 393 sdev->lun_id 394 ); 395 if (new == 2) { 396 return; 397 } 398 fwdev = sdev->target->fwdev; 399 printf("ordered:%d type:%d EUI:%08x%08x node:%d " 400 "speed:%d maxrec:%d", 401 (sdev->type & 0x40) >> 6, 402 (sdev->type & 0x1f), 403 fwdev->eui.hi, 404 fwdev->eui.lo, 405 fwdev->dst, 406 fwdev->speed, 407 fwdev->maxrec 408 ); 409 if (new) 410 printf(" new!\n"); 411 else 412 printf("\n"); 413 sbp_show_sdev_info(sdev, 2); 414 printf("'%s' '%s' '%s'\n", sdev->vendor, sdev->product, sdev->revision); 415} 416 417static struct { 418 int bus; 419 int target; 420 struct fw_eui64 eui; 421} wired[] = { 422 /* Bus Target EUI64 */ 423#if 0 424 {0, 2, {0x00018ea0, 0x01fd0154}}, /* Logitec HDD */ 425 {0, 0, {0x00018ea6, 0x00100682}}, /* Logitec DVD */ 426 {0, 1, {0x00d03200, 0xa412006a}}, /* Yano HDD */ 427#endif 428 {-1, -1, {0,0}} 429}; 430 431static int 432sbp_new_target(struct sbp_softc *sbp, struct fw_device *fwdev) 433{ 434 int bus, i, target=-1; 435 char w[SBP_NUM_TARGETS]; 436 437 bzero(w, sizeof(w)); 438 bus = device_get_unit(sbp->fd.dev); 439 440 /* XXX wired-down configuration should be gotten from 441 tunable or device hint */ 442 for (i = 0; wired[i].bus >= 0; i ++) { 443 if (wired[i].bus == bus) { 444 w[wired[i].target] = 1; 445 if (wired[i].eui.hi == fwdev->eui.hi && 446 wired[i].eui.lo == fwdev->eui.lo) 447 target = wired[i].target; 448 } 449 } 450 if (target >= 0) { 451 if(target < SBP_NUM_TARGETS && 452 sbp->targets[target].fwdev == NULL) 453 return(target); 454 device_printf(sbp->fd.dev, 455 "target %d is not free for %08x:%08x\n", 456 target, fwdev->eui.hi, fwdev->eui.lo); 457 target = -1; 458 } 459 /* non-wired target */ 460 for (i = 0; i < SBP_NUM_TARGETS; i ++) 461 if (sbp->targets[i].fwdev == NULL && w[i] == 0) { 462 target = i; 463 break; 464 } 465 466 return target; 467} 468 469static struct sbp_target * 470sbp_alloc_target(struct sbp_softc *sbp, struct fw_device *fwdev) 471{ 472 int i, maxlun, lun; 473 struct sbp_target *target; 474 struct sbp_dev *sdev; 475 struct crom_context cc; 476 struct csrreg *reg; 477 478SBP_DEBUG(1) 479 printf("sbp_alloc_target\n"); 480END_DEBUG 481 i = sbp_new_target(sbp, fwdev); 482 if (i < 0) { 483 device_printf(sbp->fd.dev, "increase SBP_NUM_TARGETS!\n"); 484 return NULL; 485 } 486 /* new target */ 487 target = &sbp->targets[i]; 488 target->sbp = sbp; 489 target->fwdev = fwdev; 490 target->target_id = i; 491 /* XXX we may want to reload mgm port after each bus reset */ 492 if((target->mgm_lo = getcsrdata(fwdev, 0x54)) == 0 ){ 493 /* bad target */ 494 printf("NULL management address\n"); 495 target->fwdev = NULL; 496 return NULL; 497 } 498 target->mgm_hi = 0xffff; 499 target->mgm_lo = 0xf0000000 | target->mgm_lo << 2; 500 target->mgm_ocb_cur = NULL; 501SBP_DEBUG(1) 502 printf("target:%d mgm_port: %x\n", i, target->mgm_lo); 503END_DEBUG 504 STAILQ_INIT(&target->mgm_ocb_queue); 505 CALLOUT_INIT(&target->mgm_ocb_timeout); 506 CALLOUT_INIT(&target->scan_callout); 507 508 /* XXX num_lun may be changed. realloc luns? */ 509 crom_init_context(&cc, target->fwdev->csrrom); 510 /* XXX shoud parse appropriate unit directories only */ 511 maxlun = -1; 512 while (cc.depth >= 0) { 513 reg = crom_search_key(&cc, CROM_LUN); 514 if (reg == NULL) 515 break; 516 lun = reg->val & 0xffff; 517SBP_DEBUG(0) 518 printf("target %d lun %d found\n", target->target_id, lun); 519END_DEBUG 520 if (maxlun < lun) 521 maxlun = lun; 522 crom_next(&cc); 523 } 524 if (maxlun < 0) 525 printf("no lun found!\n"); 526 if (maxlun >= SBP_NUM_LUNS) 527 maxlun = SBP_NUM_LUNS; 528 target->num_lun = maxlun + 1; 529 target->luns = (struct sbp_dev *) malloc( 530 sizeof(struct sbp_dev) * target->num_lun, 531 M_SBP, M_NOWAIT | M_ZERO); 532 for (i = 0; i < target->num_lun; i++) { 533 sdev = &target->luns[i]; 534 sdev->lun_id = i; 535 sdev->target = target; 536 STAILQ_INIT(&sdev->ocbs); 537 CALLOUT_INIT(&sdev->login_callout); 538 sdev->status = SBP_DEV_DEAD; 539 } 540 crom_init_context(&cc, target->fwdev->csrrom); 541 while (cc.depth >= 0) { 542 reg = crom_search_key(&cc, CROM_LUN); 543 if (reg == NULL) 544 break; 545 lun = reg->val & 0xffff; 546 if (lun >= SBP_NUM_LUNS) { 547 printf("too large lun %d\n", lun); 548 continue; 549 } 550 target->luns[lun].status = SBP_DEV_RESET; 551 target->luns[lun].type = (reg->val & 0xf0000) >> 16; 552 crom_next(&cc); 553 } 554 return target; 555 } 556 557static void 558sbp_get_text_leaf(struct fw_device *fwdev, int key, char *buf, int len) 559{ 560 static char *nullstr = "(null)"; 561 int i, clen, found=0; 562 struct csrhdr *chdr; 563 struct csrreg *creg; 564 u_int32_t *src, *dst; 565 566 chdr = (struct csrhdr *)&fwdev->csrrom[0]; 567 /* skip crom header, bus info and root directory */ 568 creg = (struct csrreg *)chdr + chdr->info_len + 2; 569 /* search unitl the one before the last. */ 570 for (i = chdr->info_len + 2; i < fwdev->rommax / 4; i++) { 571 if((creg++)->key == key){ 572 found = 1; 573 break; 574 } 575 } 576 if (!found || creg->key != CROM_TEXTLEAF) { 577 strncpy(buf, nullstr, len); 578 return; 579 } 580 src = (u_int32_t *) creg + creg->val; 581 clen = ((*src >> 16) - 2) * 4; 582 src += 3; 583 dst = (u_int32_t *) buf; 584 if (len < clen) 585 clen = len; 586 for (i = 0; i < clen/4; i++) 587 *dst++ = htonl(*src++); 588 buf[clen] = 0; 589} 590 591static void 592sbp_probe_lun(struct sbp_dev *sdev) 593{ 594 struct fw_device *fwdev; 595 int rev; 596 597 fwdev = sdev->target->fwdev; 598 bzero(sdev->vendor, sizeof(sdev->vendor)); 599 bzero(sdev->product, sizeof(sdev->product)); 600 sbp_get_text_leaf(fwdev, 0x03, sdev->vendor, sizeof(sdev->vendor)); 601 sbp_get_text_leaf(fwdev, 0x17, sdev->product, sizeof(sdev->product)); 602 rev = getcsrdata(sdev->target->fwdev, 0x3c); 603 snprintf(sdev->revision, sizeof(sdev->revision), "%06x", rev); 604} 605 606 607static void 608sbp_login_callout(void *arg) 609{ 610 struct sbp_dev *sdev = (struct sbp_dev *)arg; 611 sbp_mgm_orb(sdev, ORB_FUN_LGI, NULL); 612} 613 614#define SBP_FWDEV_ALIVE(fwdev) \ 615 ((fwdev->status == FWDEVATTACHED) \ 616 && (getcsrdata(fwdev, CSRKEY_SPEC) == CSRVAL_ANSIT10) \ 617 && (getcsrdata(fwdev, CSRKEY_VER) == CSRVAL_T10SBP2)) 618 619static void 620sbp_probe_target(void *arg) 621{ 622 struct sbp_target *target = (struct sbp_target *)arg; 623 struct sbp_softc *sbp; 624 struct sbp_dev *sdev; 625 struct firewire_comm *fc; 626 int i, alive; 627 628 alive = SBP_FWDEV_ALIVE(target->fwdev); 629SBP_DEBUG(1) 630 printf("sbp_probe_target %d\n", target->target_id); 631 if (!alive) 632 printf("not alive\n"); 633END_DEBUG 634 635 sbp = target->sbp; 636 fc = target->sbp->fd.fc; 637 /* XXX untimeout mgm_ocb and dequeue */ 638 for (i=0; i < target->num_lun; i++) { 639 sdev = &target->luns[i]; 640 if (alive && (sdev->status != SBP_DEV_DEAD)) { 641 if (sdev->path != NULL) { 642 xpt_freeze_devq(sdev->path, 1); 643 sdev->freeze ++; 644 } 645 sbp_probe_lun(sdev); 646SBP_DEBUG(0) 647 sbp_show_sdev_info(sdev, 648#if 0 649 (sdev->status == SBP_DEV_TOATTACH)); 650#else 651 (sdev->status == SBP_DEV_RESET)); 652#endif 653END_DEBUG 654 655 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET); 656 switch (sdev->status) { 657 case SBP_DEV_RESET: 658 /* new or revived target */ 659 if (auto_login) { 660#if 0 661 sdev->status = SBP_DEV_TOATTACH; 662#endif 663 sbp_login(sdev); 664 } 665 break; 666 case SBP_DEV_TOATTACH: 667 case SBP_DEV_PROBE: 668 case SBP_DEV_ATTACHED: 669 case SBP_DEV_RETRY: 670 default: 671 sbp_mgm_orb(sdev, ORB_FUN_RCN, NULL); 672 break; 673 } 674 } else { 675 switch (sdev->status) { 676 case SBP_DEV_ATTACHED: 677SBP_DEBUG(0) 678 /* the device has gone */ 679 sbp_show_sdev_info(sdev, 2); 680 printf("lost target\n"); 681END_DEBUG 682 if (sdev->path) { 683 xpt_freeze_devq(sdev->path, 1); 684 sdev->freeze ++; 685 } 686 sdev->status = SBP_DEV_RETRY; 687 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET); 688 break; 689 case SBP_DEV_PROBE: 690 case SBP_DEV_TOATTACH: 691 sdev->status = SBP_DEV_RESET; 692 break; 693 case SBP_DEV_RETRY: 694 case SBP_DEV_RESET: 695 case SBP_DEV_DEAD: 696 break; 697 } 698 } 699 } 700} 701 702static void 703sbp_post_explore(void *arg) 704{ 705 struct sbp_softc *sbp = (struct sbp_softc *)arg; 706 struct sbp_target *target; 707 struct fw_device *fwdev; 708 int i, alive; 709 710SBP_DEBUG(0) 711 printf("sbp_post_explore (sbp_cold=%d)\n", sbp_cold); 712END_DEBUG 713#if 0 /* 714 * XXX don't let CAM the bus rest. CAM tries to do something with 715 * freezed (DEV_RETRY) devices 716 */ 717 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL); 718#endif 719 if (sbp_cold > 0) 720 sbp_cold --; 721 722 /* Gabage Collection */ 723 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){ 724 target = &sbp->targets[i]; 725 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) 726 if (target->fwdev == NULL || target->fwdev == fwdev) 727 break; 728 if(fwdev == NULL){ 729 /* device has removed in lower driver */ 730 sbp_cam_detach_target(target); 731 if (target->luns != NULL) 732 free(target->luns, M_SBP); 733 target->num_lun = 0;; 734 target->luns = NULL; 735 target->fwdev = NULL; 736 } 737 } 738 /* traverse device list */ 739 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) { 740SBP_DEBUG(0) 741 printf("sbp_post_explore: EUI:%08x%08x ", 742 fwdev->eui.hi, fwdev->eui.lo); 743 if (fwdev->status == FWDEVATTACHED) { 744 printf("spec=%d key=%d.\n", 745 getcsrdata(fwdev, CSRKEY_SPEC) == CSRVAL_ANSIT10, 746 getcsrdata(fwdev, CSRKEY_VER) == CSRVAL_T10SBP2); 747 } else { 748 printf("not attached, state=%d.\n", fwdev->status); 749 } 750END_DEBUG 751 alive = SBP_FWDEV_ALIVE(fwdev); 752 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){ 753 target = &sbp->targets[i]; 754 if(target->fwdev == fwdev ) { 755 /* known target */ 756 break; 757 } 758 } 759 if(i == SBP_NUM_TARGETS){ 760 if (alive) { 761 /* new target */ 762 target = sbp_alloc_target(sbp, fwdev); 763 if (target == NULL) 764 continue; 765 } else { 766 continue; 767 } 768 } 769 sbp_probe_target((void *)target); 770 } 771#if 0 772 timeout(sbp_release_queue, (caddr_t)sbp, bus_reset_rest * hz / 1000); 773#endif 774} 775 776#if NEED_RESPONSE 777static void 778sbp_loginres_callback(struct fw_xfer *xfer){ 779SBP_DEBUG(1) 780 struct sbp_dev *sdev; 781 sdev = (struct sbp_dev *)xfer->sc; 782 sbp_show_sdev_info(sdev, 2); 783 printf("sbp_loginres_callback\n"); 784END_DEBUG 785 fw_xfer_free(xfer); 786 return; 787} 788#endif 789 790static void 791sbp_login_callback(struct fw_xfer *xfer) 792{ 793SBP_DEBUG(1) 794 struct sbp_dev *sdev; 795 sdev = (struct sbp_dev *)xfer->sc; 796 sbp_show_sdev_info(sdev, 2); 797 printf("sbp_login_callback\n"); 798END_DEBUG 799 fw_xfer_free(xfer); 800 return; 801} 802 803static void 804sbp_cmd_callback(struct fw_xfer *xfer) 805{ 806SBP_DEBUG(2) 807 struct sbp_dev *sdev; 808 sdev = (struct sbp_dev *)xfer->sc; 809 sbp_show_sdev_info(sdev, 2); 810 printf("sbp_cmd_callback\n"); 811END_DEBUG 812 fw_xfer_free(xfer); 813 return; 814} 815 816static struct sbp_dev * 817sbp_next_dev(struct sbp_target *target, int lun) 818{ 819 struct sbp_dev *sdev; 820 int i; 821 822 for (i = lun, sdev = &target->luns[lun]; 823 i < target->num_lun; i++, sdev++) { 824 if (sdev->status == SBP_DEV_PROBE) 825 break; 826 } 827 if (i >= target->num_lun) 828 return(NULL); 829 return(sdev); 830} 831 832#define SCAN_PRI 1 833static void 834sbp_cam_scan_lun(struct cam_periph *periph, union ccb *ccb) 835{ 836 struct sbp_target *target; 837 struct sbp_dev *sdev; 838 839 sdev = (struct sbp_dev *) ccb->ccb_h.ccb_sdev_ptr; 840 target = sdev->target; 841SBP_DEBUG(0) 842 sbp_show_sdev_info(sdev, 2); 843 printf("sbp_cam_scan_lun\n"); 844END_DEBUG 845 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 846 sdev->status = SBP_DEV_ATTACHED; 847 } else { 848 sbp_show_sdev_info(sdev, 2); 849 printf("scan failed\n"); 850 } 851 sdev = sbp_next_dev(target, sdev->lun_id + 1); 852 if (sdev == NULL) { 853 free(ccb, M_SBP); 854 return; 855 } 856 /* reuse ccb */ 857 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI); 858 ccb->ccb_h.ccb_sdev_ptr = sdev; 859 xpt_action(ccb); 860 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 861 sdev->freeze = 1; 862} 863 864static void 865sbp_cam_scan_target(void *arg) 866{ 867 struct sbp_target *target = (struct sbp_target *)arg; 868 struct sbp_dev *sdev; 869 union ccb *ccb; 870 871 sdev = sbp_next_dev(target, 0); 872 if (sdev == NULL) { 873 printf("sbp_cam_scan_target: nothing to do for target%d\n", 874 target->target_id); 875 return; 876 } 877SBP_DEBUG(0) 878 sbp_show_sdev_info(sdev, 2); 879 printf("sbp_cam_scan_target\n"); 880END_DEBUG 881 ccb = malloc(sizeof(union ccb), M_SBP, M_NOWAIT | M_ZERO); 882 if (ccb == NULL) { 883 printf("sbp_cam_scan_target: malloc failed\n"); 884 return; 885 } 886 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI); 887 ccb->ccb_h.func_code = XPT_SCAN_LUN; 888 ccb->ccb_h.cbfcnp = sbp_cam_scan_lun; 889 ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 890 ccb->crcn.flags = CAM_FLAG_NONE; 891 ccb->ccb_h.ccb_sdev_ptr = sdev; 892 893 /* The scan is in progress now. */ 894 xpt_action(ccb); 895 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 896 sdev->freeze = 1; 897} 898 899 900#if 0 901static void 902sbp_ping_unit_callback(struct cam_periph *periph, union ccb *ccb) 903{ 904 struct sbp_dev *sdev; 905 sdev = (struct sbp_dev *) ccb->ccb_h.ccb_sdev_ptr; 906SBP_DEBUG(0) 907 sbp_show_sdev_info(sdev, 2); 908 printf("sbp_ping_unit_callback\n"); 909END_DEBUG 910 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 911 if (--ccb->ccb_h.retry_count == 0) { 912 sbp_show_sdev_info(sdev, 2); 913 printf("sbp_ping_unit_callback: " 914 "retry count exceeded\n"); 915 sdev->status = SBP_DEV_RETRY; 916 free(ccb, M_SBP); 917 } else { 918 /* requeue */ 919 xpt_action(ccb); 920 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 921 sdev->freeze = 1; /* we will freeze */ 922 } 923 } else { 924 free(ccb->csio.data_ptr, M_SBP); 925 free(ccb, M_SBP); 926 sdev->status = SBP_DEV_ATTACHED; 927 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 928 sdev->freeze = 0; 929 } 930} 931 932/* 933 * XXX Some devices need to execute inquiry or read_capacity 934 * after bus_rest during busy transfer. 935 * Otherwise they return incorrect result for READ(and WRITE?) 936 * command without any SBP-II/SCSI error. 937 * 938 * e.g. Maxtor 3000XT, Yano A-dish. 939 */ 940static void 941sbp_ping_unit(struct sbp_dev *sdev) 942{ 943 union ccb *ccb; 944 struct scsi_inquiry_data *inq_buf; 945 946 947 ccb = malloc(sizeof(union ccb), M_SBP, M_NOWAIT | M_ZERO); 948 if (ccb == NULL) { 949 printf("sbp_ping_unit: malloc failed\n"); 950 return; 951 } 952 953 inq_buf = (struct scsi_inquiry_data *) 954 malloc(sizeof(*inq_buf), M_SBP, M_NOWAIT); 955 if (inq_buf == NULL) { 956 free(ccb, M_SBP); 957 printf("sbp_ping_unit: malloc failed\n"); 958 return; 959 } 960 961SBP_DEBUG(0) 962 sbp_show_sdev_info(sdev, 2); 963 printf("sbp_ping_unit\n"); 964END_DEBUG 965 966 /* 967 * We need to execute this command before any other queued command. 968 * Make priority 0 and freeze the queue after execution for retry. 969 * cam's scan_lun command doesn't provide this feature. 970 */ 971 xpt_setup_ccb(&ccb->ccb_h, sdev->path, 0/*priority (high)*/); 972 scsi_inquiry( 973 &ccb->csio, 974 /*retries*/ 5, 975 sbp_ping_unit_callback, 976 MSG_SIMPLE_Q_TAG, 977 (u_int8_t *)inq_buf, 978 SHORT_INQUIRY_LENGTH, 979 /*evpd*/FALSE, 980 /*page_code*/0, 981 SSD_MIN_SIZE, 982 /*timeout*/60000 983 ); 984 ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 985 ccb->ccb_h.ccb_sdev_ptr = sdev; 986 xpt_action(ccb); 987 if (sdev->status != SBP_DEV_ATTACHED) 988 sdev->status = SBP_DEV_PROBE; 989 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 990 sdev->freeze = 1; /* We will freeze the queue */ 991} 992#endif 993 994static __inline void 995sbp_scan_dev(struct sbp_dev *sdev) 996{ 997 sdev->status = SBP_DEV_PROBE; 998 callout_reset(&sdev->target->scan_callout, SCAN_DELAY * hz, 999 sbp_cam_scan_target, (void *)sdev->target); 1000} 1001 1002static void 1003sbp_do_attach(struct fw_xfer *xfer) 1004{ 1005 struct sbp_dev *sdev; 1006 struct sbp_target *target; 1007 struct sbp_softc *sbp; 1008 1009 sdev = (struct sbp_dev *)xfer->sc; 1010 target = sdev->target; 1011 sbp = target->sbp; 1012SBP_DEBUG(0) 1013 sbp_show_sdev_info(sdev, 2); 1014 printf("sbp_do_attach\n"); 1015END_DEBUG 1016 fw_xfer_free(xfer); 1017 1018 if (sdev->path == NULL) 1019 xpt_create_path(&sdev->path, xpt_periph, 1020 cam_sim_path(target->sbp->sim), 1021 target->target_id, sdev->lun_id); 1022 1023 /* 1024 * Let CAM scan the bus if we are in the boot process. 1025 * XXX xpt_scan_bus cannot detect LUN larger than 0 1026 * if LUN 0 doesn't exists. 1027 */ 1028 if (sbp_cold > 0) { 1029 sdev->status = SBP_DEV_ATTACHED; 1030 return; 1031 } 1032 1033 sbp_scan_dev(sdev); 1034 return; 1035} 1036 1037static void 1038sbp_agent_reset_callback(struct fw_xfer *xfer) 1039{ 1040 struct sbp_dev *sdev; 1041 1042 sdev = (struct sbp_dev *)xfer->sc; 1043SBP_DEBUG(1) 1044 sbp_show_sdev_info(sdev, 2); 1045 printf("sbp_cmd_callback\n"); 1046END_DEBUG 1047 fw_xfer_free(xfer); 1048 if (sdev->path) { 1049 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 1050 sdev->freeze = 0; 1051 } 1052} 1053 1054static void 1055sbp_agent_reset(struct sbp_dev *sdev) 1056{ 1057 struct fw_xfer *xfer; 1058 struct fw_pkt *fp; 1059 1060SBP_DEBUG(0) 1061 sbp_show_sdev_info(sdev, 2); 1062 printf("sbp_agent_reset\n"); 1063END_DEBUG 1064 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x04); 1065 if (xfer == NULL) 1066 return; 1067 if (sdev->status == SBP_DEV_ATTACHED) 1068 xfer->act.hand = sbp_agent_reset_callback; 1069 else 1070 xfer->act.hand = sbp_do_attach; 1071 fp = (struct fw_pkt *)xfer->send.buf; 1072 fp->mode.wreqq.data = htonl(0xf); 1073 fw_asyreq(xfer->fc, -1, xfer); 1074 sbp_abort_all_ocbs(sdev, CAM_BDR_SENT); 1075} 1076 1077static void 1078sbp_busy_timeout_callback(struct fw_xfer *xfer) 1079{ 1080 struct sbp_dev *sdev; 1081 1082 sdev = (struct sbp_dev *)xfer->sc; 1083SBP_DEBUG(1) 1084 sbp_show_sdev_info(sdev, 2); 1085 printf("sbp_busy_timeout_callback\n"); 1086END_DEBUG 1087 fw_xfer_free(xfer); 1088 sbp_agent_reset(sdev); 1089} 1090 1091static void 1092sbp_busy_timeout(struct sbp_dev *sdev) 1093{ 1094 struct fw_pkt *fp; 1095 struct fw_xfer *xfer; 1096SBP_DEBUG(0) 1097 sbp_show_sdev_info(sdev, 2); 1098 printf("sbp_busy_timeout\n"); 1099END_DEBUG 1100 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 1101 1102 xfer->act.hand = sbp_busy_timeout_callback; 1103 fp = (struct fw_pkt *)xfer->send.buf; 1104 fp->mode.wreqq.dest_hi = htons(0xffff); 1105 fp->mode.wreqq.dest_lo = htonl(0xf0000000 | BUSY_TIMEOUT); 1106 fp->mode.wreqq.data = htonl((1 << (13+12)) | 0xf); 1107 fw_asyreq(xfer->fc, -1, xfer); 1108} 1109 1110#if 0 1111static void 1112sbp_reset_start(struct sbp_dev *sdev) 1113{ 1114 struct fw_xfer *xfer; 1115 struct fw_pkt *fp; 1116 1117SBP_DEBUG(0) 1118 sbp_show_sdev_info(sdev, 2); 1119 printf("sbp_reset_start\n"); 1120END_DEBUG 1121 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 1122 1123 xfer->act.hand = sbp_busy_timeout; 1124 fp = (struct fw_pkt *)xfer->send.buf; 1125 fp->mode.wreqq.dest_hi = htons(0xffff); 1126 fp->mode.wreqq.dest_lo = htonl(0xf0000000 | RESET_START); 1127 fp->mode.wreqq.data = htonl(0xf); 1128 fw_asyreq(xfer->fc, -1, xfer); 1129} 1130#endif 1131 1132static void 1133sbp_orb_pointer(struct sbp_dev *sdev, struct sbp_ocb *ocb) 1134{ 1135 struct fw_xfer *xfer; 1136 struct fw_pkt *fp; 1137SBP_DEBUG(2) 1138 sbp_show_sdev_info(sdev, 2); 1139 printf("sbp_orb_pointer\n"); 1140END_DEBUG 1141 1142 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0x08); 1143 if (xfer == NULL) 1144 return; 1145 xfer->act.hand = sbp_cmd_callback; 1146 1147 fp = (struct fw_pkt *)xfer->send.buf; 1148 fp->mode.wreqb.len = htons(8); 1149 fp->mode.wreqb.extcode = 0; 1150 fp->mode.wreqb.payload[0] = 1151 htonl(((sdev->target->sbp->fd.fc->nodeid | FWLOCALBUS )<< 16)); 1152 fp->mode.wreqb.payload[1] = htonl(vtophys(&ocb->orb[0])); 1153 1154 if(fw_asyreq(xfer->fc, -1, xfer) != 0){ 1155 fw_xfer_free(xfer); 1156 ocb->ccb->ccb_h.status = CAM_REQ_INVALID; 1157 xpt_done(ocb->ccb); 1158 } 1159} 1160 1161static void 1162sbp_doorbell(struct sbp_dev *sdev) 1163{ 1164 struct fw_xfer *xfer; 1165 struct fw_pkt *fp; 1166SBP_DEBUG(1) 1167 sbp_show_sdev_info(sdev, 2); 1168 printf("sbp_doorbell\n"); 1169END_DEBUG 1170 1171 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x10); 1172 if (xfer == NULL) 1173 return; 1174 xfer->act.hand = sbp_cmd_callback; 1175 fp = (struct fw_pkt *)xfer->send.buf; 1176 fp->mode.wreqq.data = htonl(0xf); 1177 fw_asyreq(xfer->fc, -1, xfer); 1178} 1179 1180static struct fw_xfer * 1181sbp_write_cmd(struct sbp_dev *sdev, int tcode, int offset) 1182{ 1183 struct fw_xfer *xfer; 1184 struct fw_pkt *fp; 1185 1186 xfer = fw_xfer_alloc(M_SBP); 1187 if(xfer == NULL){ 1188 return NULL; 1189 } 1190 if (tcode == FWTCODE_WREQQ) 1191 xfer->send.len = 16; 1192 else 1193 xfer->send.len = 24; 1194 1195 xfer->send.buf = malloc(xfer->send.len, M_FW, M_NOWAIT); 1196 if(xfer->send.buf == NULL){ 1197 fw_xfer_free(xfer); 1198 return NULL; 1199 } 1200 1201 xfer->send.off = 0; 1202 xfer->spd = min(sdev->target->fwdev->speed, max_speed); 1203 xfer->sc = (caddr_t)sdev; 1204 xfer->fc = sdev->target->sbp->fd.fc; 1205 xfer->retry_req = fw_asybusy; 1206 1207 fp = (struct fw_pkt *)xfer->send.buf; 1208 fp->mode.wreqq.dest_hi = htons(sdev->login.cmd_hi); 1209 fp->mode.wreqq.dest_lo = htonl(sdev->login.cmd_lo + offset); 1210 fp->mode.wreqq.tlrt = 0; 1211 fp->mode.wreqq.tcode = tcode; 1212 fp->mode.wreqq.pri = 0; 1213 xfer->dst = FWLOCALBUS | sdev->target->fwdev->dst; 1214 fp->mode.wreqq.dst = htons(xfer->dst); 1215 1216 return xfer; 1217 1218} 1219 1220static void 1221sbp_mgm_orb(struct sbp_dev *sdev, int func, struct sbp_ocb *aocb) 1222{ 1223 struct fw_xfer *xfer; 1224 struct fw_pkt *fp; 1225 struct sbp_ocb *ocb; 1226 struct sbp_target *target; 1227 int s, nid; 1228 1229 target = sdev->target; 1230 nid = target->sbp->fd.fc->nodeid | FWLOCALBUS; 1231 1232 s = splfw(); 1233 if (func == ORB_FUN_RUNQUEUE) { 1234 ocb = STAILQ_FIRST(&target->mgm_ocb_queue); 1235 if (target->mgm_ocb_cur != NULL || ocb == NULL) { 1236 splx(s); 1237 return; 1238 } 1239 STAILQ_REMOVE_HEAD(&target->mgm_ocb_queue, ocb); 1240 goto start; 1241 } 1242 if ((ocb = sbp_get_ocb(target->sbp)) == NULL) { 1243 target->sbp->flags |= SBP_RESOURCE_SHORTAGE; 1244 splx(s); 1245 return; 1246 } 1247 ocb->flags = OCB_ACT_MGM; 1248 ocb->sdev = sdev; 1249 1250 bzero((void *)(uintptr_t)(volatile void *)ocb->orb, sizeof(ocb->orb)); 1251 ocb->orb[6] = htonl((nid << 16) | SBP_BIND_HI); 1252 ocb->orb[7] = htonl(SBP_DEV2ADDR( 1253 device_get_unit(target->sbp->fd.dev), 1254 target->target_id, 1255 sdev->lun_id)); 1256 1257SBP_DEBUG(0) 1258 sbp_show_sdev_info(sdev, 2); 1259 printf("%s\n", orb_fun_name[(func>>16)&0xf]); 1260END_DEBUG 1261 switch (func) { 1262 case ORB_FUN_LGI: 1263 ocb->orb[2] = htonl(nid << 16); 1264 ocb->orb[3] = htonl(vtophys(&sdev->login)); 1265 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_EXV | sdev->lun_id); 1266 ocb->orb[5] = htonl(sizeof(struct sbp_login_res)); 1267 break; 1268 case ORB_FUN_ATA: 1269 ocb->orb[0] = htonl((0 << 16) | 0); 1270 ocb->orb[1] = htonl(vtophys(&aocb->orb[0])); 1271 /* fall through */ 1272 case ORB_FUN_RCN: 1273 case ORB_FUN_LGO: 1274 case ORB_FUN_LUR: 1275 case ORB_FUN_RST: 1276 case ORB_FUN_ATS: 1277 ocb->orb[4] = htonl(ORB_NOTIFY | func | sdev->login.id); 1278 break; 1279 } 1280 1281 if (target->mgm_ocb_cur != NULL) { 1282 /* there is a standing ORB */ 1283 STAILQ_INSERT_TAIL(&sdev->target->mgm_ocb_queue, ocb, ocb); 1284 splx(s); 1285 return; 1286 } 1287start: 1288 target->mgm_ocb_cur = ocb; 1289 splx(s); 1290 1291 callout_reset(&target->mgm_ocb_timeout, 5*hz, 1292 sbp_timeout, (caddr_t)ocb); 1293 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0); 1294 if(xfer == NULL){ 1295 return; 1296 } 1297 xfer->act.hand = sbp_login_callback; 1298 1299 fp = (struct fw_pkt *)xfer->send.buf; 1300 fp->mode.wreqb.dest_hi = htons(sdev->target->mgm_hi); 1301 fp->mode.wreqb.dest_lo = htonl(sdev->target->mgm_lo); 1302 fp->mode.wreqb.len = htons(8); 1303 fp->mode.wreqb.extcode = 0; 1304 fp->mode.wreqb.payload[0] = htonl(nid << 16); 1305 fp->mode.wreqb.payload[1] = htonl(vtophys(&ocb->orb[0])); 1306 1307 fw_asyreq(xfer->fc, -1, xfer); 1308} 1309 1310static void 1311sbp_print_scsi_cmd(struct sbp_ocb *ocb) 1312{ 1313 struct ccb_scsiio *csio; 1314 1315 csio = &ocb->ccb->csio; 1316 printf("%s:%d:%d XPT_SCSI_IO: " 1317 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 1318 ", flags: 0x%02x, " 1319 "%db cmd/%db data/%db sense\n", 1320 device_get_nameunit(ocb->sdev->target->sbp->fd.dev), 1321 ocb->ccb->ccb_h.target_id, ocb->ccb->ccb_h.target_lun, 1322 csio->cdb_io.cdb_bytes[0], 1323 csio->cdb_io.cdb_bytes[1], 1324 csio->cdb_io.cdb_bytes[2], 1325 csio->cdb_io.cdb_bytes[3], 1326 csio->cdb_io.cdb_bytes[4], 1327 csio->cdb_io.cdb_bytes[5], 1328 csio->cdb_io.cdb_bytes[6], 1329 csio->cdb_io.cdb_bytes[7], 1330 csio->cdb_io.cdb_bytes[8], 1331 csio->cdb_io.cdb_bytes[9], 1332 ocb->ccb->ccb_h.flags & CAM_DIR_MASK, 1333 csio->cdb_len, csio->dxfer_len, 1334 csio->sense_len); 1335} 1336 1337static void 1338sbp_scsi_status(struct sbp_status *sbp_status, struct sbp_ocb *ocb) 1339{ 1340 struct sbp_cmd_status *sbp_cmd_status; 1341 struct scsi_sense_data *sense; 1342 1343 sbp_cmd_status = (struct sbp_cmd_status *)sbp_status->data; 1344 sense = &ocb->ccb->csio.sense_data; 1345 1346SBP_DEBUG(0) 1347 sbp_print_scsi_cmd(ocb); 1348 /* XXX need decode status */ 1349 sbp_show_sdev_info(ocb->sdev, 2); 1350 printf("SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d", 1351 sbp_cmd_status->status, 1352 sbp_cmd_status->sfmt, 1353 sbp_cmd_status->valid, 1354 sbp_cmd_status->s_key, 1355 sbp_cmd_status->s_code, 1356 sbp_cmd_status->s_qlfr, 1357 sbp_status->len 1358 ); 1359#if 0 /* XXX */ 1360 if (sbp_cmd_status->status == SCSI_STATUS_CHECK_COND) { 1361 printf(" %s\n", scsi_sense_key_text[sbp_cmd_status->s_key]); 1362 scsi_sense_desc( 1363 sbp_cmd_status->s_code, 1364 sbp_cmd_status->s_qlfr, 1365 ocb->ccb->ccb_h.path->device->inq_data 1366 ) 1367 } else { 1368 printf("\n"); 1369 } 1370#else 1371 printf("\n"); 1372#endif 1373END_DEBUG 1374 1375 switch (sbp_cmd_status->status) { 1376 case SCSI_STATUS_CHECK_COND: 1377 case SCSI_STATUS_BUSY: 1378 case SCSI_STATUS_CMD_TERMINATED: 1379 if(sbp_cmd_status->sfmt == SBP_SFMT_CURR){ 1380 sense->error_code = SSD_CURRENT_ERROR; 1381 }else{ 1382 sense->error_code = SSD_DEFERRED_ERROR; 1383 } 1384 if(sbp_cmd_status->valid) 1385 sense->error_code |= SSD_ERRCODE_VALID; 1386 sense->flags = sbp_cmd_status->s_key; 1387 if(sbp_cmd_status->mark) 1388 sense->flags |= SSD_FILEMARK; 1389 if(sbp_cmd_status->eom) 1390 sense->flags |= SSD_EOM; 1391 if(sbp_cmd_status->ill_len) 1392 sense->flags |= SSD_ILI; 1393 sense->info[0] = ntohl(sbp_cmd_status->info) & 0xff; 1394 sense->info[1] =(ntohl(sbp_cmd_status->info) >> 8) & 0xff; 1395 sense->info[2] =(ntohl(sbp_cmd_status->info) >> 16) & 0xff; 1396 sense->info[3] =(ntohl(sbp_cmd_status->info) >> 24) & 0xff; 1397 if (sbp_status->len <= 1) 1398 /* XXX not scsi status. shouldn't be happened */ 1399 sense->extra_len = 0; 1400 else if (sbp_status->len <= 4) 1401 /* add_sense_code(_qual), info, cmd_spec_info */ 1402 sense->extra_len = 6; 1403 else 1404 /* fru, sense_key_spec */ 1405 sense->extra_len = 10; 1406 sense->cmd_spec_info[0] = ntohl(sbp_cmd_status->cdb) & 0xff; 1407 sense->cmd_spec_info[1] = (ntohl(sbp_cmd_status->cdb) >> 8) & 0xff; 1408 sense->cmd_spec_info[2] = (ntohl(sbp_cmd_status->cdb) >> 16) & 0xff; 1409 sense->cmd_spec_info[3] = (ntohl(sbp_cmd_status->cdb) >> 24) & 0xff; 1410 sense->add_sense_code = sbp_cmd_status->s_code; 1411 sense->add_sense_code_qual = sbp_cmd_status->s_qlfr; 1412 sense->fru = sbp_cmd_status->fru; 1413 sense->sense_key_spec[0] = ntohl(sbp_cmd_status->s_keydep) & 0xff; 1414 sense->sense_key_spec[1] = (ntohl(sbp_cmd_status->s_keydep) >>8) & 0xff; 1415 sense->sense_key_spec[2] = (ntohl(sbp_cmd_status->s_keydep) >>16) & 0xff; 1416 1417 ocb->ccb->csio.scsi_status = sbp_cmd_status->status;; 1418 ocb->ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR 1419 | CAM_AUTOSNS_VALID; 1420/* 1421{ 1422 u_int8_t j, *tmp; 1423 tmp = sense; 1424 for( j = 0 ; j < 32 ; j+=8){ 1425 printf("sense %02x%02x %02x%02x %02x%02x %02x%02x\n", 1426 tmp[j], tmp[j+1], tmp[j+2], tmp[j+3], 1427 tmp[j+4], tmp[j+5], tmp[j+6], tmp[j+7]); 1428 } 1429 1430} 1431*/ 1432 break; 1433 default: 1434 sbp_show_sdev_info(ocb->sdev, 2); 1435 printf("sbp_scsi_status: unknown scsi status 0x%x\n", 1436 sbp_cmd_status->status); 1437 } 1438} 1439 1440static void 1441sbp_fix_inq_data(struct sbp_ocb *ocb) 1442{ 1443 union ccb *ccb; 1444 struct sbp_dev *sdev; 1445 struct scsi_inquiry_data *inq; 1446 1447 ccb = ocb->ccb; 1448 sdev = ocb->sdev; 1449 1450 if (ccb->csio.cdb_io.cdb_bytes[1] & SI_EVPD) 1451 return; 1452SBP_DEBUG(1) 1453 sbp_show_sdev_info(sdev, 2); 1454 printf("sbp_fix_inq_data\n"); 1455END_DEBUG 1456 inq = (struct scsi_inquiry_data *) ccb->csio.data_ptr; 1457 switch (SID_TYPE(inq)) { 1458 case T_DIRECT: 1459 /* 1460 * XXX Convert Direct Access device to RBC. 1461 * I've never seen FireWire DA devices which support READ_6. 1462 */ 1463#if 1 1464 if (SID_TYPE(inq) == T_DIRECT) 1465 inq->device |= T_RBC; /* T_DIRECT == 0 */ 1466#endif 1467 /* fall through */ 1468 case T_RBC: 1469 /* enable tag queuing */ 1470#if 1 1471 inq->flags |= SID_CmdQue; 1472#endif 1473 /* 1474 * Override vendor/product/revision information. 1475 * Some devices sometimes return strange strings. 1476 */ 1477#if 1 1478 bcopy(sdev->vendor, inq->vendor, sizeof(inq->vendor)); 1479 bcopy(sdev->product, inq->product, sizeof(inq->product)); 1480 bcopy(sdev->revision+2, inq->revision, sizeof(inq->revision)); 1481#endif 1482 break; 1483 } 1484} 1485 1486static void 1487sbp_recv1(struct fw_xfer *xfer){ 1488 struct fw_pkt *rfp; 1489#if NEED_RESPONSE 1490 struct fw_pkt *sfp; 1491#endif 1492 struct sbp_softc *sbp; 1493 struct sbp_dev *sdev; 1494 struct sbp_ocb *ocb; 1495 struct sbp_login_res *login_res = NULL; 1496 struct sbp_status *sbp_status; 1497 struct sbp_target *target; 1498 int orb_fun, status_valid0, status_valid, t, l, reset_agent = 0; 1499 u_int32_t addr; 1500/* 1501 u_int32_t *ld; 1502 ld = xfer->recv.buf; 1503printf("sbp %x %d %d %08x %08x %08x %08x\n", 1504 xfer->resp, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3])); 1505printf("sbp %08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 1506printf("sbp %08x %08x %08x %08x\n", ntohl(ld[8]), ntohl(ld[9]), ntohl(ld[10]), ntohl(ld[11])); 1507*/ 1508 if(xfer->resp != 0){ 1509 printf("sbp_recv: xfer->resp != 0\n"); 1510 fw_xfer_free( xfer); 1511 return; 1512 } 1513 if(xfer->recv.buf == NULL){ 1514 printf("sbp_recv: xfer->recv.buf == NULL\n"); 1515 fw_xfer_free( xfer); 1516 return; 1517 } 1518 sbp = (struct sbp_softc *)xfer->sc; 1519 rfp = (struct fw_pkt *)xfer->recv.buf; 1520 if(rfp->mode.wreqb.tcode != FWTCODE_WREQB){ 1521 printf("sbp_recv: tcode = %d\n", rfp->mode.wreqb.tcode); 1522 fw_xfer_free( xfer); 1523 return; 1524 } 1525 sbp_status = (struct sbp_status *)rfp->mode.wreqb.payload; 1526 addr = ntohl(rfp->mode.wreqb.dest_lo); 1527SBP_DEBUG(2) 1528 printf("received address 0x%x\n", addr); 1529END_DEBUG 1530 t = SBP_ADDR2TRG(addr); 1531 if (t >= SBP_NUM_TARGETS) { 1532 device_printf(sbp->fd.dev, 1533 "sbp_recv1: invalid target %d\n", t); 1534 fw_xfer_free(xfer); 1535 return; 1536 } 1537 target = &sbp->targets[t]; 1538 l = SBP_ADDR2LUN(addr); 1539 if (l >= target->num_lun) { 1540 device_printf(sbp->fd.dev, 1541 "sbp_recv1: invalid lun %d (target=%d)\n", l, t); 1542 fw_xfer_free(xfer); 1543 return; 1544 } 1545 sdev = &target->luns[l]; 1546 1547 ocb = NULL; 1548 switch (sbp_status->src) { 1549 case 0: 1550 case 1: 1551 /* check mgm_ocb_cur first */ 1552 ocb = target->mgm_ocb_cur; 1553 if (ocb != NULL) { 1554 if (OCB_MATCH(ocb, sbp_status)) { 1555 callout_stop(&target->mgm_ocb_timeout); 1556 target->mgm_ocb_cur = NULL; 1557 break; 1558 } 1559 } 1560 ocb = sbp_dequeue_ocb(sdev, sbp_status); 1561 if (ocb == NULL) { 1562 sbp_show_sdev_info(sdev, 2); 1563 printf("No ocb on the queue\n"); 1564 } 1565 break; 1566 case 2: 1567 /* unsolicit */ 1568 sbp_show_sdev_info(sdev, 2); 1569 printf("unsolicit status received\n"); 1570 break; 1571 default: 1572 sbp_show_sdev_info(sdev, 2); 1573 printf("unknown sbp_status->src\n"); 1574 } 1575 1576 status_valid0 = (sbp_status->src < 2 1577 && sbp_status->resp == ORB_RES_CMPL 1578 && sbp_status->dead == 0); 1579 status_valid = (status_valid0 && sbp_status->status == 0); 1580 1581 if (!status_valid0 || debug > 1){ 1582 int status; 1583SBP_DEBUG(0) 1584 sbp_show_sdev_info(sdev, 2); 1585 printf("ORB status src:%x resp:%x dead:%x" 1586#if __FreeBSD_version >= 500000 1587 " len:%x stat:%x orb:%x%08x\n", 1588#else 1589 " len:%x stat:%x orb:%x%08lx\n", 1590#endif 1591 sbp_status->src, sbp_status->resp, sbp_status->dead, 1592 sbp_status->len, sbp_status->status, 1593 ntohs(sbp_status->orb_hi), ntohl(sbp_status->orb_lo)); 1594END_DEBUG 1595 sbp_show_sdev_info(sdev, 2); 1596 status = sbp_status->status; 1597 switch(sbp_status->resp) { 1598 case 0: 1599 if (status > MAX_ORB_STATUS0) 1600 printf("%s\n", orb_status0[MAX_ORB_STATUS0]); 1601 else 1602 printf("%s\n", orb_status0[status]); 1603 break; 1604 case 1: 1605 printf("Obj: %s, Error: %s\n", 1606 orb_status1_object[(status>>6) & 3], 1607 orb_status1_serial_bus_error[status & 0xf]); 1608 break; 1609 case 2: 1610 printf("Illegal request\n"); 1611 break; 1612 case 3: 1613 printf("Vendor dependent\n"); 1614 break; 1615 default: 1616 printf("unknown respose code %d\n", sbp_status->resp); 1617 } 1618 } 1619 1620 /* we have to reset the fetch agent if it's dead */ 1621 if (sbp_status->dead) { 1622 if (sdev->path) { 1623 xpt_freeze_devq(sdev->path, 1); 1624 sdev->freeze ++; 1625 } 1626 reset_agent = 1; 1627 } 1628 1629 if (ocb == NULL) 1630 goto done; 1631 1632 sdev->flags &= ~SBP_DEV_TIMEOUT; 1633 1634 switch(ntohl(ocb->orb[4]) & ORB_FMT_MSK){ 1635 case ORB_FMT_NOP: 1636 break; 1637 case ORB_FMT_VED: 1638 break; 1639 case ORB_FMT_STD: 1640 switch(ocb->flags & OCB_ACT_MASK){ 1641 case OCB_ACT_MGM: 1642 orb_fun = ntohl(ocb->orb[4]) & ORB_FUN_MSK; 1643 switch(orb_fun) { 1644 case ORB_FUN_LGI: 1645 login_res = &sdev->login; 1646 login_res->len = ntohs(login_res->len); 1647 login_res->id = ntohs(login_res->id); 1648 login_res->cmd_hi = ntohs(login_res->cmd_hi); 1649 login_res->cmd_lo = ntohl(login_res->cmd_lo); 1650 if (status_valid) { 1651SBP_DEBUG(0) 1652sbp_show_sdev_info(sdev, 2); 1653printf("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)); 1654END_DEBUG 1655#if 0 1656 sdev->status = SBP_DEV_TOATTACH; 1657#endif 1658#if 1 1659 sbp_busy_timeout(sdev); 1660#else 1661 sbp_mgm_orb(sdev, ORB_FUN_ATS, NULL); 1662#endif 1663 } else { 1664 /* forgot logout? */ 1665 sbp_show_sdev_info(sdev, 2); 1666 printf("login failed\n"); 1667 sdev->status = SBP_DEV_RESET; 1668 } 1669 break; 1670 case ORB_FUN_RCN: 1671 login_res = &sdev->login; 1672 if (status_valid) { 1673SBP_DEBUG(0) 1674sbp_show_sdev_info(sdev, 2); 1675printf("reconnect: len %d, ID %d, cmd %08x%08x\n", login_res->len, login_res->id, login_res->cmd_hi, login_res->cmd_lo); 1676END_DEBUG 1677#if 1 1678 if (sdev->status == SBP_DEV_ATTACHED) 1679 sbp_scan_dev(sdev); 1680 else 1681 sbp_agent_reset(sdev); 1682#else 1683 sdev->status = SBP_DEV_ATTACHED; 1684 sbp_mgm_orb(sdev, ORB_FUN_ATS, NULL); 1685#endif 1686 } else { 1687 /* reconnection hold time exceed? */ 1688SBP_DEBUG(0) 1689 sbp_show_sdev_info(sdev, 2); 1690 printf("reconnect failed\n"); 1691END_DEBUG 1692 sbp_login(sdev); 1693 } 1694 break; 1695 case ORB_FUN_LGO: 1696 sdev->status = SBP_DEV_RESET; 1697 break; 1698 case ORB_FUN_RST: 1699 sbp_busy_timeout(sdev); 1700 break; 1701 case ORB_FUN_LUR: 1702 case ORB_FUN_ATA: 1703 case ORB_FUN_ATS: 1704 sbp_agent_reset(sdev); 1705 break; 1706 default: 1707 sbp_show_sdev_info(sdev, 2); 1708 printf("unknown function %d\n", orb_fun); 1709 break; 1710 } 1711 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 1712 break; 1713 case OCB_ACT_CMD: 1714 if(ocb->ccb != NULL){ 1715 union ccb *ccb; 1716/* 1717 u_int32_t *ld; 1718 ld = ocb->ccb->csio.data_ptr; 1719 if(ld != NULL && ocb->ccb->csio.dxfer_len != 0) 1720 printf("ptr %08x %08x %08x %08x\n", ld[0], ld[1], ld[2], ld[3]); 1721 else 1722 printf("ptr NULL\n"); 1723printf("len %d\n", sbp_status->len); 1724*/ 1725 ccb = ocb->ccb; 1726 if(sbp_status->len > 1){ 1727 sbp_scsi_status(sbp_status, ocb); 1728 }else{ 1729 if(sbp_status->resp != ORB_RES_CMPL){ 1730 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1731 }else{ 1732 ccb->ccb_h.status = CAM_REQ_CMP; 1733 } 1734 } 1735 /* fix up inq data */ 1736 if (ccb->csio.cdb_io.cdb_bytes[0] == INQUIRY) 1737 sbp_fix_inq_data(ocb); 1738 xpt_done(ccb); 1739 } 1740 break; 1741 default: 1742 break; 1743 } 1744 } 1745 1746 if (!(ocb->flags & OCB_RESERVED)) 1747 sbp_free_ocb(sbp, ocb); 1748done: 1749 if (reset_agent) 1750 sbp_agent_reset(sdev); 1751 1752/* The received packet is usually small enough to be stored within 1753 * the buffer. In that case, the controller return ack_complete and 1754 * no respose is necessary. 1755 * 1756 * XXX fwohci.c and firewire.c should inform event_code such as 1757 * ack_complete or ack_pending to upper driver. 1758 */ 1759#if NEED_RESPONSE 1760 xfer->send.buf = malloc(12, M_SBP, M_NOWAIT | M_ZERO); 1761 xfer->send.len = 12; 1762 xfer->send.off = 0; 1763 sfp = (struct fw_pkt *)xfer->send.buf; 1764 sfp->mode.wres.dst = rfp->mode.wreqb.src; 1765 xfer->dst = ntohs(sfp->mode.wres.dst); 1766 xfer->spd = min(sdev->target->fwdev->speed, max_speed); 1767 xfer->act.hand = sbp_loginres_callback; 1768 xfer->retry_req = fw_asybusy; 1769 1770 sfp->mode.wres.tlrt = rfp->mode.wreqb.tlrt; 1771 sfp->mode.wres.tcode = FWTCODE_WRES; 1772 sfp->mode.wres.rtcode = 0; 1773 sfp->mode.wres.pri = 0; 1774 1775 fw_asyreq(xfer->fc, -1, xfer); 1776#else 1777 fw_xfer_free(xfer); 1778#endif 1779 1780 return; 1781 1782} 1783 1784static void 1785sbp_recv(struct fw_xfer *xfer) 1786{ 1787 int s; 1788 1789 s = splcam(); 1790 sbp_recv1(xfer); 1791 splx(s); 1792} 1793/* 1794 * sbp_attach() 1795 */ 1796static int 1797sbp_attach(device_t dev) 1798{ 1799 struct sbp_softc *sbp; 1800 struct cam_devq *devq; 1801 struct fw_xfer *xfer; 1802 int i, s, error; 1803 1804SBP_DEBUG(0) 1805 printf("sbp_attach (cold=%d)\n", cold); 1806END_DEBUG 1807 1808 if (cold) 1809 sbp_cold ++; 1810 sbp = ((struct sbp_softc *)device_get_softc(dev)); 1811 bzero(sbp, sizeof(struct sbp_softc)); 1812 sbp->fd.dev = dev; 1813 sbp->fd.fc = device_get_ivars(dev); 1814 error = bus_dma_tag_create(/*parent*/NULL, /*alignment*/1, 1815 /*boundary*/0, 1816 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, 1817 /*highaddr*/BUS_SPACE_MAXADDR, 1818 /*filter*/NULL, /*filterarg*/NULL, 1819 /*maxsize*/0x100000, /*nsegments*/SBP_IND_MAX, 1820 /*maxsegsz*/0x8000, 1821 /*flags*/BUS_DMA_ALLOCNOW, 1822 &sbp->dmat); 1823 if (error != 0) { 1824 printf("sbp_attach: Could not allocate DMA tag " 1825 "- error %d\n", error); 1826 return (ENOMEM); 1827 } 1828 1829 devq = cam_simq_alloc(/*maxopenings*/SBP_NUM_OCB); 1830 if (devq == NULL) 1831 return (ENXIO); 1832 1833 for( i = 0 ; i < SBP_NUM_TARGETS ; i++){ 1834 sbp->targets[i].fwdev = NULL; 1835 sbp->targets[i].luns = NULL; 1836 } 1837 1838 sbp->sim = cam_sim_alloc(sbp_action, sbp_poll, "sbp", sbp, 1839 device_get_unit(dev), 1840 /*untagged*/ 1, 1841 /*tagged*/ SBP_QUEUE_LEN, 1842 devq); 1843 1844 if (sbp->sim == NULL) { 1845 cam_simq_free(devq); 1846 return (ENXIO); 1847 } 1848 1849 sbp->ocb = (struct sbp_ocb *) contigmalloc( 1850 sizeof (struct sbp_ocb) * SBP_NUM_OCB, 1851 M_SBP, M_NOWAIT, 0x10000, 0xffffffff, PAGE_SIZE, 0ul); 1852 bzero(sbp->ocb, sizeof (struct sbp_ocb) * SBP_NUM_OCB); 1853 1854 if (sbp->ocb == NULL) { 1855 printf("sbp0: ocb alloction failure\n"); 1856 return (ENOMEM); 1857 } 1858 1859 STAILQ_INIT(&sbp->free_ocbs); 1860 for (i = 0; i < SBP_NUM_OCB; i++) { 1861 sbp_free_ocb(sbp, &sbp->ocb[i]); 1862 } 1863 1864 if (xpt_bus_register(sbp->sim, /*bus*/0) != CAM_SUCCESS) 1865 goto fail; 1866 1867 if (xpt_create_path(&sbp->path, xpt_periph, cam_sim_path(sbp->sim), 1868 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) 1869 goto fail; 1870 1871 xfer = fw_xfer_alloc(M_SBP); 1872 xfer->act.hand = sbp_recv; 1873 xfer->act_type = FWACT_XFER; 1874#if NEED_RESPONSE 1875 xfer->fc = sbp->fd.fc; 1876#endif 1877 xfer->sc = (caddr_t)sbp; 1878 1879 sbp->fwb.start_hi = SBP_BIND_HI; 1880 sbp->fwb.start_lo = SBP_DEV2ADDR(device_get_unit(sbp->fd.dev), 0, 0); 1881 /* We reserve 16 bit space (4 bytes X 64 targets X 256 luns) */ 1882 sbp->fwb.addrlen = 0xffff; 1883 sbp->fwb.xfer = xfer; 1884 fw_bindadd(sbp->fd.fc, &sbp->fwb); 1885 1886 sbp->fd.post_explore = sbp_post_explore; 1887 1888 if (sbp->fd.fc->status != -1) { 1889 s = splfw(); 1890 sbp_post_explore((void *)sbp); 1891 splx(s); 1892 } 1893 1894 return (0); 1895fail: 1896 cam_sim_free(sbp->sim, /*free_devq*/TRUE); 1897 contigfree(sbp->ocb, sizeof (struct sbp_ocb) * SBP_NUM_OCB, M_SBP); 1898 return (ENXIO); 1899} 1900 1901static int 1902sbp_logout_all(struct sbp_softc *sbp) 1903{ 1904 struct sbp_target *target; 1905 struct sbp_dev *sdev; 1906 int i, j; 1907 1908SBP_DEBUG(0) 1909 printf("sbp_logout_all\n"); 1910END_DEBUG 1911 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) { 1912 target = &sbp->targets[i]; 1913 if (target->luns == NULL) 1914 continue; 1915 for (j = 0; j < target->num_lun; j++) { 1916 sdev = &target->luns[j]; 1917 if (sdev->status >= SBP_DEV_TOATTACH && 1918 sdev->status <= SBP_DEV_ATTACHED) 1919 sbp_mgm_orb(sdev, ORB_FUN_LGO, NULL); 1920 } 1921 } 1922 return 0; 1923} 1924 1925static int 1926sbp_shutdown(device_t dev) 1927{ 1928 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 1929 1930 sbp_logout_all(sbp); 1931 return (0); 1932} 1933 1934static int 1935sbp_detach(device_t dev) 1936{ 1937 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 1938 struct firewire_comm *fc = sbp->fd.fc; 1939 int i; 1940 1941SBP_DEBUG(0) 1942 printf("sbp_detach\n"); 1943END_DEBUG 1944#if 0 1945 /* bus reset for logout */ 1946 sbp->fd.post_explore = NULL; 1947 fc->ibr(fc); 1948#endif 1949 1950 for (i = 0; i < SBP_NUM_TARGETS; i ++) 1951 sbp_cam_detach_target(&sbp->targets[i]); 1952 xpt_free_path(sbp->path); 1953 xpt_bus_deregister(cam_sim_path(sbp->sim)); 1954 1955 sbp_logout_all(sbp); 1956 /* XXX wait for logout completion */ 1957 tsleep(&i, FWPRI, "sbpdtc", hz/2); 1958 1959 fw_bindremove(fc, &sbp->fwb); 1960 contigfree(sbp->ocb, sizeof (struct sbp_ocb) * SBP_NUM_OCB, M_SBP); 1961 bus_dma_tag_destroy(sbp->dmat); 1962 1963 for (i = 0; i < SBP_NUM_TARGETS; i ++) 1964 if (sbp->targets[i].luns != NULL) 1965 free(sbp->targets[i].luns, M_SBP); 1966 1967 return (0); 1968} 1969 1970static void 1971sbp_cam_detach_target(struct sbp_target *target) 1972{ 1973 int i; 1974 struct sbp_dev *sdev; 1975 1976 if (target->luns != NULL) { 1977SBP_DEBUG(0) 1978 printf("sbp_detach_target %d\n", target->target_id); 1979END_DEBUG 1980 callout_stop(&target->scan_callout); 1981 callout_stop(&target->mgm_ocb_timeout); 1982 for (i = 0; i < target->num_lun; i++) { 1983 sdev = &target->luns[i]; 1984 callout_stop(&sdev->login_callout); 1985 if (sdev->status == SBP_DEV_RESET || 1986 sdev->status == SBP_DEV_DEAD) 1987 continue; 1988 if (sdev->path) { 1989 xpt_async(AC_LOST_DEVICE, sdev->path, NULL); 1990 xpt_free_path(sdev->path); 1991 sdev->path = NULL; 1992 } 1993 sbp_abort_all_ocbs(sdev, CAM_DEV_NOT_THERE); 1994 } 1995 } 1996} 1997 1998static void 1999sbp_timeout(void *arg) 2000{ 2001 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 2002 struct sbp_dev *sdev = ocb->sdev; 2003 2004 sbp_show_sdev_info(sdev, 2); 2005 printf("request timeout ... "); 2006 2007 if (ocb->flags == OCB_ACT_MGM) { 2008 printf("management ORB\n"); 2009 /* XXX just ignore for now */ 2010 sdev->target->mgm_ocb_cur = NULL; 2011 sbp_free_ocb(sdev->target->sbp, ocb); 2012 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 2013 return; 2014 } 2015 2016 xpt_freeze_devq(sdev->path, 1); 2017 sdev->freeze ++; 2018 sbp_abort_all_ocbs(sdev, CAM_CMD_TIMEOUT); 2019 if (sdev->flags & SBP_DEV_TIMEOUT) { 2020#if 0 2021 struct firewire_comm *fc; 2022 2023 printf("bus reset\n"); 2024 fc = sdev->target->sbp->fd.fc; 2025 fc->ibr(fc); 2026 sdev->status == SBP_DEV_RETRY; 2027#else 2028 printf("target reset\n"); 2029 sbp_mgm_orb(sdev, ORB_FUN_RST, NULL); 2030#endif 2031 sdev->flags &= ~SBP_DEV_TIMEOUT; 2032 } else { 2033 printf("agent reset\n"); 2034 sdev->flags |= SBP_DEV_TIMEOUT; 2035 sbp_agent_reset(sdev); 2036 } 2037 return; 2038} 2039 2040static void 2041sbp_action1(struct cam_sim *sim, union ccb *ccb) 2042{ 2043 2044 struct sbp_softc *sbp = (struct sbp_softc *)sim->softc; 2045 struct sbp_target *target = NULL; 2046 struct sbp_dev *sdev = NULL; 2047 2048 /* target:lun -> sdev mapping */ 2049 if (sbp != NULL 2050 && ccb->ccb_h.target_id != CAM_TARGET_WILDCARD 2051 && ccb->ccb_h.target_id < SBP_NUM_TARGETS) { 2052 target = &sbp->targets[ccb->ccb_h.target_id]; 2053 if (target->fwdev != NULL 2054 && ccb->ccb_h.target_lun != CAM_LUN_WILDCARD 2055 && ccb->ccb_h.target_lun < target->num_lun) { 2056 sdev = &target->luns[ccb->ccb_h.target_lun]; 2057 if (sdev->status != SBP_DEV_ATTACHED && 2058 sdev->status != SBP_DEV_PROBE) 2059 sdev = NULL; 2060 } 2061 } 2062 2063SBP_DEBUG(1) 2064 if (sdev == NULL) 2065 printf("invalid target %d lun %d\n", 2066 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2067END_DEBUG 2068 2069 switch (ccb->ccb_h.func_code) { 2070 case XPT_SCSI_IO: 2071 case XPT_RESET_DEV: 2072 case XPT_GET_TRAN_SETTINGS: 2073 case XPT_SET_TRAN_SETTINGS: 2074 case XPT_CALC_GEOMETRY: 2075 if (sdev == NULL) { 2076SBP_DEBUG(1) 2077 printf("%s:%d:%d:func_code 0x%04x: " 2078 "Invalid target (target needed)\n", 2079 device_get_nameunit(sbp->fd.dev), 2080 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2081 ccb->ccb_h.func_code); 2082END_DEBUG 2083 2084 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2085 xpt_done(ccb); 2086 return; 2087 } 2088 break; 2089 case XPT_PATH_INQ: 2090 case XPT_NOOP: 2091 /* The opcodes sometimes aimed at a target (sc is valid), 2092 * sometimes aimed at the SIM (sc is invalid and target is 2093 * CAM_TARGET_WILDCARD) 2094 */ 2095 if (sbp == NULL && 2096 ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) { 2097SBP_DEBUG(0) 2098 printf("%s:%d:%d func_code 0x%04x: " 2099 "Invalid target (no wildcard)\n", 2100 device_get_nameunit(sbp->fd.dev), 2101 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2102 ccb->ccb_h.func_code); 2103END_DEBUG 2104 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2105 xpt_done(ccb); 2106 return; 2107 } 2108 break; 2109 default: 2110 /* XXX Hm, we should check the input parameters */ 2111 break; 2112 } 2113 2114 switch (ccb->ccb_h.func_code) { 2115 case XPT_SCSI_IO: 2116 { 2117 struct ccb_scsiio *csio; 2118 struct sbp_ocb *ocb; 2119 int s, speed; 2120 void *cdb; 2121 2122 csio = &ccb->csio; 2123 2124SBP_DEBUG(1) 2125 printf("%s:%d:%d XPT_SCSI_IO: " 2126 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 2127 ", flags: 0x%02x, " 2128 "%db cmd/%db data/%db sense\n", 2129 device_get_nameunit(sbp->fd.dev), 2130 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2131 csio->cdb_io.cdb_bytes[0], 2132 csio->cdb_io.cdb_bytes[1], 2133 csio->cdb_io.cdb_bytes[2], 2134 csio->cdb_io.cdb_bytes[3], 2135 csio->cdb_io.cdb_bytes[4], 2136 csio->cdb_io.cdb_bytes[5], 2137 csio->cdb_io.cdb_bytes[6], 2138 csio->cdb_io.cdb_bytes[7], 2139 csio->cdb_io.cdb_bytes[8], 2140 csio->cdb_io.cdb_bytes[9], 2141 ccb->ccb_h.flags & CAM_DIR_MASK, 2142 csio->cdb_len, csio->dxfer_len, 2143 csio->sense_len); 2144END_DEBUG 2145 if(sdev == NULL){ 2146 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2147 xpt_done(ccb); 2148 return; 2149 } 2150#if 0 2151 /* if we are in probe stage, pass only probe commands */ 2152 if (sdev->status == SBP_DEV_PROBE) { 2153 char *name; 2154 name = xpt_path_periph(ccb->ccb_h.path)->periph_name; 2155 printf("probe stage, periph name: %s\n", name); 2156 if (strcmp(name, "probe") != 0) { 2157 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2158 xpt_done(ccb); 2159 return; 2160 } 2161 } 2162#endif 2163 if ((ocb = sbp_get_ocb(sbp)) == NULL) { 2164 s = splfw(); 2165 sbp->flags |= SBP_RESOURCE_SHORTAGE; 2166 splx(s); 2167 return; 2168 } 2169 ocb->flags = OCB_ACT_CMD; 2170 ocb->sdev = sdev; 2171 ocb->ccb = ccb; 2172 ccb->ccb_h.ccb_sdev_ptr = sdev; 2173 ocb->orb[0] = htonl(1 << 31); 2174 ocb->orb[1] = 0; 2175 ocb->orb[2] = htonl(((sbp->fd.fc->nodeid | FWLOCALBUS )<< 16) ); 2176 ocb->orb[3] = htonl(vtophys(ocb->ind_ptr)); 2177 speed = min(target->fwdev->speed, max_speed); 2178 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_CMD_SPD(speed) 2179 | ORB_CMD_MAXP(speed + 7)); 2180 if((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN){ 2181 ocb->orb[4] |= htonl(ORB_CMD_IN); 2182 } 2183 2184 if (csio->ccb_h.flags & CAM_SCATTER_VALID) 2185 printf("sbp: CAM_SCATTER_VALID\n"); 2186 if (csio->ccb_h.flags & CAM_DATA_PHYS) 2187 printf("sbp: CAM_DATA_PHYS\n"); 2188 2189 if (csio->ccb_h.flags & CAM_CDB_POINTER) 2190 cdb = (void *)csio->cdb_io.cdb_ptr; 2191 else 2192 cdb = (void *)&csio->cdb_io.cdb_bytes; 2193 bcopy(cdb, 2194 (void *)(uintptr_t)(volatile void *)&ocb->orb[5], 2195 csio->cdb_len); 2196/* 2197printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[0]), ntohl(ocb->orb[1]), ntohl(ocb->orb[2]), ntohl(ocb->orb[3])); 2198printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[4]), ntohl(ocb->orb[5]), ntohl(ocb->orb[6]), ntohl(ocb->orb[7])); 2199*/ 2200 if (ccb->csio.dxfer_len > 0) { 2201 int s; 2202 2203 if (bus_dmamap_create(sbp->dmat, 0, &ocb->dmamap)) { 2204 printf("sbp_action1: cannot create dmamap\n"); 2205 break; 2206 } 2207 2208 s = splsoftvm(); 2209 bus_dmamap_load(/*dma tag*/sbp->dmat, 2210 /*dma map*/ocb->dmamap, 2211 ccb->csio.data_ptr, 2212 ccb->csio.dxfer_len, 2213 sbp_execute_ocb, 2214 ocb, 2215 /*flags*/0); 2216 splx(s); 2217 } else 2218 sbp_execute_ocb(ocb, NULL, 0, 0); 2219 break; 2220 } 2221 case XPT_CALC_GEOMETRY: 2222 { 2223 struct ccb_calc_geometry *ccg; 2224 u_int32_t size_mb; 2225 u_int32_t secs_per_cylinder; 2226 int extended = 1; 2227 ccg = &ccb->ccg; 2228 2229 if (ccg->block_size == 0) { 2230 printf("sbp_action1: block_size is 0.\n"); 2231 ccb->ccb_h.status = CAM_REQ_INVALID; 2232 xpt_done(ccb); 2233 break; 2234 } 2235SBP_DEBUG(1) 2236 printf("%s:%d:%d:%d:XPT_CALC_GEOMETRY: " 2237 "Volume size = %d\n", 2238 device_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim), 2239 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2240 ccg->volume_size); 2241END_DEBUG 2242 2243 size_mb = ccg->volume_size 2244 / ((1024L * 1024L) / ccg->block_size); 2245 2246 if (size_mb >= 1024 && extended) { 2247 ccg->heads = 255; 2248 ccg->secs_per_track = 63; 2249 } else { 2250 ccg->heads = 64; 2251 ccg->secs_per_track = 32; 2252 } 2253 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 2254 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 2255 ccb->ccb_h.status = CAM_REQ_CMP; 2256 xpt_done(ccb); 2257 break; 2258 } 2259 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 2260 { 2261 2262SBP_DEBUG(1) 2263 printf("%s:%d:XPT_RESET_BUS: \n", 2264 device_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim)); 2265END_DEBUG 2266 2267 ccb->ccb_h.status = CAM_REQ_INVALID; 2268 xpt_done(ccb); 2269 break; 2270 } 2271 case XPT_PATH_INQ: /* Path routing inquiry */ 2272 { 2273 struct ccb_pathinq *cpi = &ccb->cpi; 2274 2275SBP_DEBUG(1) 2276 printf("%s:%d:%d XPT_PATH_INQ:.\n", 2277 device_get_nameunit(sbp->fd.dev), 2278 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2279END_DEBUG 2280 cpi->version_num = 1; /* XXX??? */ 2281 cpi->hba_inquiry = PI_TAG_ABLE; 2282 cpi->target_sprt = 0; 2283 cpi->hba_misc = PIM_NOBUSRESET; 2284 cpi->hba_eng_cnt = 0; 2285 cpi->max_target = SBP_NUM_TARGETS - 1; 2286 cpi->max_lun = SBP_NUM_LUNS - 1; 2287 cpi->initiator_id = SBP_INITIATOR; 2288 cpi->bus_id = sim->bus_id; 2289 cpi->base_transfer_speed = 400 * 1000 / 8; 2290 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 2291 strncpy(cpi->hba_vid, "SBP", HBA_IDLEN); 2292 strncpy(cpi->dev_name, sim->sim_name, DEV_IDLEN); 2293 cpi->unit_number = sim->unit_number; 2294 2295 cpi->ccb_h.status = CAM_REQ_CMP; 2296 xpt_done(ccb); 2297 break; 2298 } 2299 case XPT_GET_TRAN_SETTINGS: 2300 { 2301 struct ccb_trans_settings *cts = &ccb->cts; 2302SBP_DEBUG(1) 2303 printf("%s:%d:%d XPT_GET_TRAN_SETTINGS:.\n", 2304 device_get_nameunit(sbp->fd.dev), 2305 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2306END_DEBUG 2307 /* Enable disconnect and tagged queuing */ 2308 cts->valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID; 2309 cts->flags = CCB_TRANS_DISC_ENB | CCB_TRANS_TAG_ENB; 2310 2311 cts->ccb_h.status = CAM_REQ_CMP; 2312 xpt_done(ccb); 2313 break; 2314 } 2315 case XPT_ABORT: 2316 ccb->ccb_h.status = CAM_UA_ABORT; 2317 xpt_done(ccb); 2318 break; 2319 case XPT_SET_TRAN_SETTINGS: 2320 /* XXX */ 2321 default: 2322 ccb->ccb_h.status = CAM_REQ_INVALID; 2323 xpt_done(ccb); 2324 break; 2325 } 2326 return; 2327} 2328 2329static void 2330sbp_action(struct cam_sim *sim, union ccb *ccb) 2331{ 2332 int s; 2333 2334 s = splfw(); 2335 sbp_action1(sim, ccb); 2336 splx(s); 2337} 2338 2339static void 2340sbp_execute_ocb(void *arg, bus_dma_segment_t *segments, int seg, int error) 2341{ 2342 int i; 2343 struct sbp_ocb *ocb; 2344 struct sbp_ocb *prev; 2345 union ccb *ccb; 2346 bus_dma_segment_t *s; 2347 2348 if (error) 2349 printf("sbp_execute_ocb: error=%d\n", error); 2350 2351 ocb = (struct sbp_ocb *)arg; 2352 if (seg == 1) { 2353 /* direct pointer */ 2354 ocb->orb[3] = htonl(segments[0].ds_addr); 2355 ocb->orb[4] |= htonl(segments[0].ds_len); 2356 } else if(seg > 1) { 2357 /* page table */ 2358SBP_DEBUG(1) 2359 printf("sbp_execute_ocb: seg %d", seg); 2360 for (i = 0; i < seg; i++) 2361#if __FreeBSD_version >= 500000 2362 printf(", %tx:%zd", segments[i].ds_addr, 2363#else 2364 printf(", %x:%d", segments[i].ds_addr, 2365#endif 2366 segments[i].ds_len); 2367 printf("\n"); 2368END_DEBUG 2369 for (i = 0; i < seg; i++) { 2370 s = &segments[i]; 2371SBP_DEBUG(0) 2372 /* XXX LSI Logic "< 16 byte" bug might be hit */ 2373 if (s->ds_len < 16) 2374 printf("sbp_execute_ocb: warning, " 2375#if __FreeBSD_version >= 500000 2376 "segment length(%zd) is less than 16." 2377#else 2378 "segment length(%d) is less than 16." 2379#endif 2380 "(seg=%d/%d)\n", s->ds_len, i+1, seg); 2381END_DEBUG 2382 ocb->ind_ptr[i].hi = htonl(s->ds_len << 16); 2383 ocb->ind_ptr[i].lo = htonl(s->ds_addr); 2384 } 2385 ocb->orb[4] |= htonl(ORB_CMD_PTBL | seg); 2386 } 2387 2388 ccb = ocb->ccb; 2389 prev = sbp_enqueue_ocb(ocb->sdev, ocb); 2390 if (prev) 2391 sbp_doorbell(ocb->sdev); 2392 else 2393 sbp_orb_pointer(ocb->sdev, ocb); 2394} 2395 2396static void 2397sbp_poll(struct cam_sim *sim) 2398{ 2399 /* should call fwohci_intr? */ 2400 return; 2401} 2402static struct sbp_ocb * 2403sbp_dequeue_ocb(struct sbp_dev *sdev, struct sbp_status *sbp_status) 2404{ 2405 struct sbp_ocb *ocb; 2406 struct sbp_ocb *next; 2407 int s = splfw(), order = 0; 2408 int flags; 2409 2410 for (ocb = STAILQ_FIRST(&sdev->ocbs); ocb != NULL; ocb = next) { 2411 next = STAILQ_NEXT(ocb, ocb); 2412 flags = ocb->flags; 2413SBP_DEBUG(1) 2414 sbp_show_sdev_info(sdev, 2); 2415#if __FreeBSD_version >= 500000 2416 printf("orb: 0x%tx next: 0x%x, flags %x\n", 2417#else 2418 printf("orb: 0x%x next: 0x%lx, flags %x\n", 2419#endif 2420 vtophys(&ocb->orb[0]), ntohl(ocb->orb[1]), flags); 2421END_DEBUG 2422 if (OCB_MATCH(ocb, sbp_status)) { 2423 /* found */ 2424 if (ocb->flags & OCB_RESERVED) 2425 ocb->flags |= OCB_DONE; 2426 else 2427 STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb); 2428 if (ocb->ccb != NULL) 2429 untimeout(sbp_timeout, (caddr_t)ocb, 2430 ocb->ccb->ccb_h.timeout_ch); 2431 if (ocb->dmamap != NULL) { 2432 bus_dmamap_destroy(sdev->target->sbp->dmat, 2433 ocb->dmamap); 2434 ocb->dmamap = NULL; 2435 } 2436 break; 2437 } else { 2438 if ((ocb->flags & OCB_RESERVED) && 2439 (ocb->flags & OCB_DONE)) { 2440 /* next orb must be fetched already */ 2441 STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb); 2442 sbp_free_ocb(sdev->target->sbp, ocb); 2443 } else 2444 order ++; 2445 } 2446 } 2447 splx(s); 2448SBP_DEBUG(0) 2449 if (ocb && order > 0) { 2450 sbp_show_sdev_info(sdev, 2); 2451 printf("unordered execution order:%d\n", order); 2452 } 2453END_DEBUG 2454 return (ocb); 2455} 2456 2457static struct sbp_ocb * 2458sbp_enqueue_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 2459{ 2460 int s = splfw(); 2461 struct sbp_ocb *prev; 2462 2463SBP_DEBUG(2) 2464 sbp_show_sdev_info(sdev, 2); 2465#if __FreeBSD_version >= 500000 2466 printf("sbp_enqueue_ocb orb=0x%tx in physical memory\n", vtophys(&ocb->orb[0])); 2467#else 2468 printf("sbp_enqueue_ocb orb=0x%x in physical memory\n", vtophys(&ocb->orb[0])); 2469#endif 2470END_DEBUG 2471 prev = STAILQ_LAST(&sdev->ocbs, sbp_ocb, ocb); 2472 STAILQ_INSERT_TAIL(&sdev->ocbs, ocb, ocb); 2473 2474 if (ocb->ccb != NULL) 2475 ocb->ccb->ccb_h.timeout_ch = timeout(sbp_timeout, (caddr_t)ocb, 2476 (ocb->ccb->ccb_h.timeout * hz) / 1000); 2477 2478 if (prev != NULL ) { 2479SBP_DEBUG(1) 2480#if __FreeBSD_version >= 500000 2481 printf("linking chain 0x%tx -> 0x%tx\n", vtophys(&prev->orb[0]), 2482#else 2483 printf("linking chain 0x%x -> 0x%x\n", vtophys(&prev->orb[0]), 2484#endif 2485 vtophys(&ocb->orb[0])); 2486END_DEBUG 2487 prev->flags |= OCB_RESERVED; 2488 prev->orb[1] = htonl(vtophys(&ocb->orb[0])); 2489 prev->orb[0] = 0; 2490 } 2491 splx(s); 2492 2493 return prev; 2494} 2495 2496static struct sbp_ocb * 2497sbp_get_ocb(struct sbp_softc *sbp) 2498{ 2499 struct sbp_ocb *ocb; 2500 int s = splfw(); 2501 ocb = STAILQ_FIRST(&sbp->free_ocbs); 2502 if (ocb == NULL) { 2503 printf("ocb shortage!!!\n"); 2504 return NULL; 2505 } 2506 STAILQ_REMOVE_HEAD(&sbp->free_ocbs, ocb); 2507 splx(s); 2508 ocb->ccb = NULL; 2509 return (ocb); 2510} 2511 2512static void 2513sbp_free_ocb(struct sbp_softc *sbp, struct sbp_ocb *ocb) 2514{ 2515#if 0 /* XXX make sure that ocb has ccb */ 2516 if ((sbp->flags & SBP_RESOURCE_SHORTAGE) != 0 && 2517 (ocb->ccb->ccb_h.status & CAM_RELEASE_SIMQ) == 0) { 2518 ocb->ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 2519 sbp->flags &= ~SBP_RESOURCE_SHORTAGE; 2520 } 2521#else 2522 if ((sbp->flags & SBP_RESOURCE_SHORTAGE) != 0) 2523 sbp->flags &= ~SBP_RESOURCE_SHORTAGE; 2524#endif 2525 ocb->flags = 0; 2526 ocb->ccb = NULL; 2527 STAILQ_INSERT_TAIL(&sbp->free_ocbs, ocb, ocb); 2528} 2529 2530static void 2531sbp_abort_ocb(struct sbp_ocb *ocb, int status) 2532{ 2533 struct sbp_dev *sdev; 2534 2535 sdev = ocb->sdev; 2536SBP_DEBUG(1) 2537 sbp_show_sdev_info(sdev, 2); 2538 printf("sbp_abort_ocb 0x%x\n", status); 2539 if (ocb->ccb != NULL) 2540 sbp_print_scsi_cmd(ocb); 2541END_DEBUG 2542 if (ocb->ccb != NULL && !(ocb->flags & OCB_DONE)) { 2543 untimeout(sbp_timeout, (caddr_t)ocb, 2544 ocb->ccb->ccb_h.timeout_ch); 2545 ocb->ccb->ccb_h.status = status; 2546 xpt_done(ocb->ccb); 2547 } 2548 if (ocb->dmamap != NULL) { 2549 bus_dmamap_destroy(sdev->target->sbp->dmat, ocb->dmamap); 2550 ocb->dmamap = NULL; 2551 } 2552 sbp_free_ocb(sdev->target->sbp, ocb); 2553} 2554 2555static void 2556sbp_abort_all_ocbs(struct sbp_dev *sdev, int status) 2557{ 2558 int s; 2559 struct sbp_ocb *ocb, *next; 2560 STAILQ_HEAD(, sbp_ocb) temp; 2561 2562 s = splfw(); 2563 2564 bcopy(&sdev->ocbs, &temp, sizeof(temp)); 2565 STAILQ_INIT(&sdev->ocbs); 2566 for (ocb = STAILQ_FIRST(&temp); ocb != NULL; ocb = next) { 2567 next = STAILQ_NEXT(ocb, ocb); 2568 sbp_abort_ocb(ocb, status); 2569 } 2570 2571 splx(s); 2572} 2573 2574static devclass_t sbp_devclass; 2575 2576static device_method_t sbp_methods[] = { 2577 /* device interface */ 2578 DEVMETHOD(device_identify, sbp_identify), 2579 DEVMETHOD(device_probe, sbp_probe), 2580 DEVMETHOD(device_attach, sbp_attach), 2581 DEVMETHOD(device_detach, sbp_detach), 2582 DEVMETHOD(device_shutdown, sbp_shutdown), 2583 2584 { 0, 0 } 2585}; 2586 2587static driver_t sbp_driver = { 2588 "sbp", 2589 sbp_methods, 2590 sizeof(struct sbp_softc), 2591}; 2592DRIVER_MODULE(sbp, firewire, sbp_driver, sbp_devclass, 0, 0); 2593MODULE_VERSION(sbp, 1); 2594MODULE_DEPEND(sbp, firewire, 1, 1, 1); 2595MODULE_DEPEND(sbp, cam, 1, 1, 1); 2596