sbp.c revision 116351
1178825Sdfr/* 2178825Sdfr * Copyright (c) 2003 Hidetosh Shimokawa 3178825Sdfr * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetosh Shimokawa 4178825Sdfr * All rights reserved. 5178825Sdfr * 6233294Sstas * 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: head/sys/dev/firewire/sbp.c 116351 2003-06-14 22:17:41Z njl $ 35 * 36 */ 37 38#include <sys/param.h> 39#include <sys/systm.h> 40#include <sys/module.h> 41#include <sys/bus.h> 42#include <sys/mbuf.h> 43#include <sys/sysctl.h> 44#include <machine/bus.h> 45#include <sys/malloc.h> 46 47#if __FreeBSD_version < 500106 48#include <sys/devicestat.h> /* for struct devstat */ 49#endif 50 51#include <cam/cam.h> 52#include <cam/cam_ccb.h> 53#include <cam/cam_sim.h> 54#include <cam/cam_xpt_sim.h> 55#include <cam/cam_debug.h> 56#include <cam/cam_periph.h> 57 58#include <cam/scsi/scsi_all.h> 59#include <cam/scsi/scsi_message.h> 60#include <cam/scsi/scsi_da.h> 61 62#include <sys/kernel.h> 63 64#include <dev/firewire/firewire.h> 65#include <dev/firewire/firewirereg.h> 66#include <dev/firewire/fwdma.h> 67#include <dev/firewire/iec13213.h> 68 69#define ccb_sdev_ptr spriv_ptr0 70#define ccb_sbp_ptr spriv_ptr1 71 72#define SBP_NUM_TARGETS 8 /* MAX 64 */ 73#define SBP_NUM_LUNS 8 /* limited by CAM_SCSI2_MAXLUN in cam_xpt.c */ 74#define SBP_DMA_SIZE PAGE_SIZE 75#define SBP_LOGIN_SIZE sizeof(struct sbp_login_res) 76#define SBP_QUEUE_LEN ((SBP_DMA_SIZE - SBP_LOGIN_SIZE) / sizeof(struct sbp_ocb)) 77#define SBP_NUM_OCB (SBP_QUEUE_LEN * SBP_NUM_TARGETS) 78 79#define SBP_INITIATOR 7 80 81#define LOGIN_DELAY 2 82 83/* 84 * STATUS FIFO addressing 85 * bit 86 * ----------------------- 87 * 0- 1( 2): 0 (alingment) 88 * 2- 7( 6): target 89 * 8-15( 8): lun 90 * 16-23( 8): unit 91 * 24-31( 8): reserved 92 * 32-47(16): SBP_BIND_HI 93 * 48-64(16): bus_id, node_id 94 */ 95#define SBP_BIND_HI 0x1 96#define SBP_DEV2ADDR(u, t, l) \ 97 ((((u) & 0xff) << 16) | (((l) & 0xff) << 8) | (((t) & 0x3f) << 2)) 98#define SBP_ADDR2TRG(a) (((a) >> 2) & 0x3f) 99#define SBP_ADDR2LUN(a) (((a) >> 8) & 0xff) 100 101#define ORB_NOTIFY (1 << 31) 102#define ORB_FMT_STD (0 << 29) 103#define ORB_FMT_VED (2 << 29) 104#define ORB_FMT_NOP (3 << 29) 105#define ORB_FMT_MSK (3 << 29) 106#define ORB_EXV (1 << 28) 107/* */ 108#define ORB_CMD_IN (1 << 27) 109/* */ 110#define ORB_CMD_SPD(x) ((x) << 24) 111#define ORB_CMD_MAXP(x) ((x) << 20) 112#define ORB_RCN_TMO(x) ((x) << 20) 113#define ORB_CMD_PTBL (1 << 19) 114#define ORB_CMD_PSZ(x) ((x) << 16) 115 116#define ORB_FUN_LGI (0 << 16) 117#define ORB_FUN_QLG (1 << 16) 118#define ORB_FUN_RCN (3 << 16) 119#define ORB_FUN_LGO (7 << 16) 120#define ORB_FUN_ATA (0xb << 16) 121#define ORB_FUN_ATS (0xc << 16) 122#define ORB_FUN_LUR (0xe << 16) 123#define ORB_FUN_RST (0xf << 16) 124#define ORB_FUN_MSK (0xf << 16) 125#define ORB_FUN_RUNQUEUE 0xffff 126 127static char *orb_fun_name[] = { 128 /* 0 */ "LOGIN", 129 /* 1 */ "QUERY LOGINS", 130 /* 2 */ "Reserved", 131 /* 3 */ "RECONNECT", 132 /* 4 */ "SET PASSWORD", 133 /* 5 */ "Reserved", 134 /* 6 */ "Reserved", 135 /* 7 */ "LOGOUT", 136 /* 8 */ "Reserved", 137 /* 9 */ "Reserved", 138 /* A */ "Reserved", 139 /* B */ "ABORT TASK", 140 /* C */ "ABORT TASK SET", 141 /* D */ "Reserved", 142 /* E */ "LOGICAL UNIT RESET", 143 /* F */ "TARGET RESET" 144}; 145 146#define ORB_RES_CMPL 0 147#define ORB_RES_FAIL 1 148#define ORB_RES_ILLE 2 149#define ORB_RES_VEND 3 150 151static int debug = 0; 152static int auto_login = 1; 153static int max_speed = 2; 154static int sbp_cold = 1; 155 156SYSCTL_DECL(_hw_firewire); 157SYSCTL_NODE(_hw_firewire, OID_AUTO, sbp, CTLFLAG_RD, 0, "SBP-II Subsystem"); 158SYSCTL_INT(_debug, OID_AUTO, sbp_debug, CTLFLAG_RW, &debug, 0, 159 "SBP debug flag"); 160SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, auto_login, CTLFLAG_RW, &auto_login, 0, 161 "SBP perform login automatically"); 162SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, max_speed, CTLFLAG_RW, &max_speed, 0, 163 "SBP transfer max speed"); 164 165#define SBP_DEBUG(x) if (debug > x) { 166#define END_DEBUG } 167 168#define NEED_RESPONSE 0 169 170struct ind_ptr { 171 u_int32_t hi,lo; 172}; 173#define SBP_SEG_MAX rounddown(0xffff, PAGE_SIZE) 174#ifdef __sparc64__ /* iommu */ 175#define SBP_IND_MAX howmany(MAXPHYS, SBP_SEG_MAX) 176#else 177#define SBP_IND_MAX howmany(MAXPHYS, PAGE_SIZE) 178#endif 179struct sbp_ocb { 180 STAILQ_ENTRY(sbp_ocb) ocb; 181 union ccb *ccb; 182 bus_addr_t bus_addr; 183 volatile u_int32_t orb[8]; 184#define IND_PTR_OFFSET (8*sizeof(u_int32_t)) 185 volatile struct ind_ptr ind_ptr[SBP_IND_MAX]; 186 struct sbp_dev *sdev; 187 int flags; /* XXX should be removed */ 188 bus_dmamap_t dmamap; 189}; 190 191#define OCB_ACT_MGM 0 192#define OCB_ACT_CMD 1 193#define OCB_MATCH(o,s) ((o)->bus_addr == ntohl((s)->orb_lo)) 194 195#define SBP_RECV_LEN (16 + 32) /* header + payload */ 196 197struct sbp_login_res{ 198 u_int16_t len; 199 u_int16_t id; 200 u_int16_t res0; 201 u_int16_t cmd_hi; 202 u_int32_t cmd_lo; 203 u_int16_t res1; 204 u_int16_t recon_hold; 205}; 206struct sbp_status{ 207#if BYTE_ORDER == BIG_ENDIAN 208 u_int8_t src:2, 209 resp:2, 210 dead:1, 211 len:3; 212#else 213 u_int8_t len:3, 214 dead:1, 215 resp:2, 216 src:2; 217#endif 218 u_int8_t status; 219 u_int16_t orb_hi; 220 u_int32_t orb_lo; 221 u_int32_t data[6]; 222}; 223struct sbp_cmd_status{ 224#define SBP_SFMT_CURR 0 225#define SBP_SFMT_DEFER 1 226#if BYTE_ORDER == BIG_ENDIAN 227 u_int8_t sfmt:2, 228 status:6; 229 u_int8_t valid:1, 230 mark:1, 231 eom:1, 232 ill_len:1, 233 s_key:4; 234#else 235 u_int8_t status:6, 236 sfmt:2; 237 u_int8_t s_key:4, 238 ill_len:1, 239 eom:1, 240 mark:1, 241 valid:1; 242#endif 243 u_int8_t s_code; 244 u_int8_t s_qlfr; 245 u_int32_t info; 246 u_int32_t cdb; 247 248#if BYTE_ORDER == BIG_ENDIAN 249 u_int32_t s_keydep:24, 250 fru:8; 251#else 252 u_int32_t fru:8, 253 s_keydep:24; 254#endif 255 u_int32_t vend[2]; 256 257}; 258 259struct sbp_dev{ 260#define SBP_DEV_RESET 0 /* accept login */ 261#define SBP_DEV_LOGIN 1 /* to login */ 262#if 0 263#define SBP_DEV_RECONN 2 /* to reconnect */ 264#endif 265#define SBP_DEV_TOATTACH 3 /* to attach */ 266#define SBP_DEV_PROBE 4 /* scan lun */ 267#define SBP_DEV_ATTACHED 5 /* in operation */ 268#define SBP_DEV_DEAD 6 /* unavailable unit */ 269#define SBP_DEV_RETRY 7 /* unavailable unit */ 270 u_int8_t status:4, 271 timeout:4; 272 u_int8_t type; 273 u_int16_t lun_id; 274 int freeze; 275 struct cam_path *path; 276 struct sbp_target *target; 277 struct fwdma_alloc dma; 278 struct sbp_login_res *login; 279 struct callout login_callout; 280 struct sbp_ocb *ocb; 281 STAILQ_HEAD(, sbp_ocb) ocbs; 282 STAILQ_HEAD(, sbp_ocb) free_ocbs; 283 char vendor[32]; 284 char product[32]; 285 char revision[10]; 286}; 287 288struct sbp_target { 289 int target_id; 290 int num_lun; 291 struct sbp_dev *luns; 292 struct sbp_softc *sbp; 293 struct fw_device *fwdev; 294 u_int32_t mgm_hi, mgm_lo; 295 struct sbp_ocb *mgm_ocb_cur; 296 STAILQ_HEAD(, sbp_ocb) mgm_ocb_queue; 297 struct callout mgm_ocb_timeout; 298#define SCAN_DELAY 2 299 struct callout scan_callout; 300 STAILQ_HEAD(, fw_xfer) xferlist; 301 int n_xfer; 302}; 303 304struct sbp_softc { 305 struct firewire_dev_comm fd; 306 struct cam_sim *sim; 307 struct cam_path *path; 308 struct sbp_target targets[SBP_NUM_TARGETS]; 309 struct fw_bind fwb; 310 bus_dma_tag_t dmat; 311#define SBP_RESOURCE_SHORTAGE 0x10 312 unsigned char flags; 313}; 314static void sbp_post_explore __P((void *)); 315static void sbp_recv __P((struct fw_xfer *)); 316static void sbp_mgm_callback __P((struct fw_xfer *)); 317static void sbp_cmd_callback __P((struct fw_xfer *)); 318static void sbp_orb_pointer __P((struct sbp_dev *, struct sbp_ocb *)); 319static void sbp_execute_ocb __P((void *, bus_dma_segment_t *, int, int)); 320static void sbp_free_ocb __P((struct sbp_dev *, struct sbp_ocb *)); 321static void sbp_abort_ocb __P((struct sbp_ocb *, int)); 322static void sbp_abort_all_ocbs __P((struct sbp_dev *, int)); 323static struct fw_xfer * sbp_write_cmd __P((struct sbp_dev *, int, int)); 324static struct sbp_ocb * sbp_get_ocb __P((struct sbp_dev *)); 325static struct sbp_ocb * sbp_enqueue_ocb __P((struct sbp_dev *, struct sbp_ocb *)); 326static struct sbp_ocb * sbp_dequeue_ocb __P((struct sbp_dev *, struct sbp_status *)); 327static void sbp_cam_detach_target __P((struct sbp_target *)); 328static void sbp_mgm_timeout __P((void *arg)); 329static void sbp_timeout __P((void *arg)); 330static void sbp_mgm_orb __P((struct sbp_dev *, int, struct sbp_ocb *)); 331#define sbp_login(sdev) \ 332 callout_reset(&(sdev)->login_callout, LOGIN_DELAY * hz, \ 333 sbp_login_callout, (void *)(sdev)); 334 335MALLOC_DEFINE(M_SBP, "sbp", "SBP-II/FireWire"); 336 337/* cam related functions */ 338static void sbp_action(struct cam_sim *sim, union ccb *ccb); 339static void sbp_poll(struct cam_sim *sim); 340static void sbp_cam_scan_lun(struct cam_periph *, union ccb *); 341static void sbp_cam_scan_target(void *arg); 342 343static char *orb_status0[] = { 344 /* 0 */ "No additional information to report", 345 /* 1 */ "Request type not supported", 346 /* 2 */ "Speed not supported", 347 /* 3 */ "Page size not supported", 348 /* 4 */ "Access denied", 349 /* 5 */ "Logical unit not supported", 350 /* 6 */ "Maximum payload too small", 351 /* 7 */ "Reserved for future standardization", 352 /* 8 */ "Resources unavailable", 353 /* 9 */ "Function rejected", 354 /* A */ "Login ID not recognized", 355 /* B */ "Dummy ORB completed", 356 /* C */ "Request aborted", 357 /* FF */ "Unspecified error" 358#define MAX_ORB_STATUS0 0xd 359}; 360 361static char *orb_status1_object[] = { 362 /* 0 */ "Operation request block (ORB)", 363 /* 1 */ "Data buffer", 364 /* 2 */ "Page table", 365 /* 3 */ "Unable to specify" 366}; 367 368static char *orb_status1_serial_bus_error[] = { 369 /* 0 */ "Missing acknowledge", 370 /* 1 */ "Reserved; not to be used", 371 /* 2 */ "Time-out error", 372 /* 3 */ "Reserved; not to be used", 373 /* 4 */ "Busy retry limit exceeded(X)", 374 /* 5 */ "Busy retry limit exceeded(A)", 375 /* 6 */ "Busy retry limit exceeded(B)", 376 /* 7 */ "Reserved for future standardization", 377 /* 8 */ "Reserved for future standardization", 378 /* 9 */ "Reserved for future standardization", 379 /* A */ "Reserved for future standardization", 380 /* B */ "Tardy retry limit exceeded", 381 /* C */ "Conflict error", 382 /* D */ "Data error", 383 /* E */ "Type error", 384 /* F */ "Address error" 385}; 386 387static void 388sbp_identify(driver_t *driver, device_t parent) 389{ 390 device_t child; 391SBP_DEBUG(0) 392 printf("sbp_identify\n"); 393END_DEBUG 394 395 child = BUS_ADD_CHILD(parent, 0, "sbp", device_get_unit(parent)); 396} 397 398/* 399 * sbp_probe() 400 */ 401static int 402sbp_probe(device_t dev) 403{ 404 device_t pa; 405 406SBP_DEBUG(0) 407 printf("sbp_probe\n"); 408END_DEBUG 409 410 pa = device_get_parent(dev); 411 if(device_get_unit(dev) != device_get_unit(pa)){ 412 return(ENXIO); 413 } 414 415 device_set_desc(dev, "SBP2/SCSI over firewire"); 416 417 if (bootverbose) 418 debug = bootverbose; 419 return (0); 420} 421 422static void 423sbp_show_sdev_info(struct sbp_dev *sdev, int new) 424{ 425 struct fw_device *fwdev; 426 427 printf("%s:%d:%d ", 428 device_get_nameunit(sdev->target->sbp->fd.dev), 429 sdev->target->target_id, 430 sdev->lun_id 431 ); 432 if (new == 2) { 433 return; 434 } 435 fwdev = sdev->target->fwdev; 436 printf("ordered:%d type:%d EUI:%08x%08x node:%d " 437 "speed:%d maxrec:%d", 438 (sdev->type & 0x40) >> 6, 439 (sdev->type & 0x1f), 440 fwdev->eui.hi, 441 fwdev->eui.lo, 442 fwdev->dst, 443 fwdev->speed, 444 fwdev->maxrec 445 ); 446 if (new) 447 printf(" new!\n"); 448 else 449 printf("\n"); 450 sbp_show_sdev_info(sdev, 2); 451 printf("'%s' '%s' '%s'\n", sdev->vendor, sdev->product, sdev->revision); 452} 453 454static struct { 455 int bus; 456 int target; 457 struct fw_eui64 eui; 458} wired[] = { 459 /* Bus Target EUI64 */ 460#if 0 461 {0, 2, {0x00018ea0, 0x01fd0154}}, /* Logitec HDD */ 462 {0, 0, {0x00018ea6, 0x00100682}}, /* Logitec DVD */ 463 {0, 1, {0x00d03200, 0xa412006a}}, /* Yano HDD */ 464#endif 465 {-1, -1, {0,0}} 466}; 467 468static int 469sbp_new_target(struct sbp_softc *sbp, struct fw_device *fwdev) 470{ 471 int bus, i, target=-1; 472 char w[SBP_NUM_TARGETS]; 473 474 bzero(w, sizeof(w)); 475 bus = device_get_unit(sbp->fd.dev); 476 477 /* XXX wired-down configuration should be gotten from 478 tunable or device hint */ 479 for (i = 0; wired[i].bus >= 0; i ++) { 480 if (wired[i].bus == bus) { 481 w[wired[i].target] = 1; 482 if (wired[i].eui.hi == fwdev->eui.hi && 483 wired[i].eui.lo == fwdev->eui.lo) 484 target = wired[i].target; 485 } 486 } 487 if (target >= 0) { 488 if(target < SBP_NUM_TARGETS && 489 sbp->targets[target].fwdev == NULL) 490 return(target); 491 device_printf(sbp->fd.dev, 492 "target %d is not free for %08x:%08x\n", 493 target, fwdev->eui.hi, fwdev->eui.lo); 494 target = -1; 495 } 496 /* non-wired target */ 497 for (i = 0; i < SBP_NUM_TARGETS; i ++) 498 if (sbp->targets[i].fwdev == NULL && w[i] == 0) { 499 target = i; 500 break; 501 } 502 503 return target; 504} 505 506static struct sbp_target * 507sbp_alloc_target(struct sbp_softc *sbp, struct fw_device *fwdev) 508{ 509 int i, maxlun, lun; 510 struct sbp_target *target; 511 struct sbp_dev *sdev; 512 struct crom_context cc; 513 struct csrreg *reg; 514 515SBP_DEBUG(1) 516 printf("sbp_alloc_target\n"); 517END_DEBUG 518 i = sbp_new_target(sbp, fwdev); 519 if (i < 0) { 520 device_printf(sbp->fd.dev, "increase SBP_NUM_TARGETS!\n"); 521 return NULL; 522 } 523 /* new target */ 524 target = &sbp->targets[i]; 525 target->sbp = sbp; 526 target->fwdev = fwdev; 527 target->target_id = i; 528 /* XXX we may want to reload mgm port after each bus reset */ 529 /* XXX there might be multiple management agents */ 530 crom_init_context(&cc, target->fwdev->csrrom); 531 reg = crom_search_key(&cc, CROM_MGM); 532 if (reg == NULL || reg->val == 0) { 533 printf("NULL management address\n"); 534 target->fwdev = NULL; 535 return NULL; 536 } 537 target->mgm_hi = 0xffff; 538 target->mgm_lo = 0xf0000000 | (reg->val << 2); 539 target->mgm_ocb_cur = NULL; 540SBP_DEBUG(1) 541 printf("target:%d mgm_port: %x\n", i, target->mgm_lo); 542END_DEBUG 543 STAILQ_INIT(&target->xferlist); 544 target->n_xfer = 0; 545 STAILQ_INIT(&target->mgm_ocb_queue); 546 CALLOUT_INIT(&target->mgm_ocb_timeout); 547 CALLOUT_INIT(&target->scan_callout); 548 549 /* XXX num_lun may be changed. realloc luns? */ 550 crom_init_context(&cc, target->fwdev->csrrom); 551 /* XXX shoud parse appropriate unit directories only */ 552 maxlun = -1; 553 while (cc.depth >= 0) { 554 reg = crom_search_key(&cc, CROM_LUN); 555 if (reg == NULL) 556 break; 557 lun = reg->val & 0xffff; 558SBP_DEBUG(0) 559 printf("target %d lun %d found\n", target->target_id, lun); 560END_DEBUG 561 if (maxlun < lun) 562 maxlun = lun; 563 crom_next(&cc); 564 } 565 if (maxlun < 0) 566 printf("no lun found!\n"); 567 if (maxlun >= SBP_NUM_LUNS) 568 maxlun = SBP_NUM_LUNS; 569 target->num_lun = maxlun + 1; 570 target->luns = (struct sbp_dev *) malloc( 571 sizeof(struct sbp_dev) * target->num_lun, 572 M_SBP, M_NOWAIT | M_ZERO); 573 for (i = 0; i < target->num_lun; i++) { 574 sdev = &target->luns[i]; 575 sdev->lun_id = i; 576 sdev->target = target; 577 STAILQ_INIT(&sdev->ocbs); 578 CALLOUT_INIT(&sdev->login_callout); 579 sdev->status = SBP_DEV_DEAD; 580 } 581 crom_init_context(&cc, target->fwdev->csrrom); 582 while (cc.depth >= 0) { 583 reg = crom_search_key(&cc, CROM_LUN); 584 if (reg == NULL) 585 break; 586 lun = reg->val & 0xffff; 587 if (lun >= SBP_NUM_LUNS) { 588 printf("too large lun %d\n", lun); 589 continue; 590 } 591 sdev = &target->luns[lun]; 592 sdev->status = SBP_DEV_RESET; 593 sdev->type = (reg->val & 0xf0000) >> 16; 594 595 fwdma_malloc(sbp->fd.fc, 596 /* alignment */ sizeof(u_int32_t), 597 SBP_DMA_SIZE, &sdev->dma, BUS_DMA_NOWAIT); 598 if (sdev->dma.v_addr == NULL) { 599 printf("%s: dma space allocation failed\n", 600 __FUNCTION__); 601 return (NULL); 602 } 603 sdev->login = (struct sbp_login_res *) sdev->dma.v_addr; 604 sdev->ocb = (struct sbp_ocb *) 605 ((char *)sdev->dma.v_addr + SBP_LOGIN_SIZE); 606 bzero((char *)sdev->ocb, 607 sizeof (struct sbp_ocb) * SBP_QUEUE_LEN); 608 609 STAILQ_INIT(&sdev->free_ocbs); 610 for (i = 0; i < SBP_QUEUE_LEN; i++) { 611 struct sbp_ocb *ocb; 612 ocb = &sdev->ocb[i]; 613 ocb->bus_addr = sdev->dma.bus_addr 614 + SBP_LOGIN_SIZE 615 + sizeof(struct sbp_ocb) * i 616 + offsetof(struct sbp_ocb, orb[0]); 617 if (bus_dmamap_create(sbp->dmat, 0, &ocb->dmamap)) { 618 printf("sbp_attach: cannot create dmamap\n"); 619 return (NULL); 620 } 621 sbp_free_ocb(sdev, ocb); 622 } 623 crom_next(&cc); 624 } 625 return target; 626} 627 628static void 629sbp_probe_lun(struct sbp_dev *sdev) 630{ 631 struct fw_device *fwdev; 632 struct crom_context c, *cc = &c; 633 struct csrreg *reg; 634 635 bzero(sdev->vendor, sizeof(sdev->vendor)); 636 bzero(sdev->product, sizeof(sdev->product)); 637 638 fwdev = sdev->target->fwdev; 639 crom_init_context(cc, fwdev->csrrom); 640 /* get vendor string */ 641 crom_search_key(cc, CSRKEY_VENDOR); 642 crom_next(cc); 643 crom_parse_text(cc, sdev->vendor, sizeof(sdev->vendor)); 644 /* skip to the unit directory for SBP-2 */ 645 while ((reg = crom_search_key(cc, CSRKEY_VER)) != NULL) { 646 if (reg->val == CSRVAL_T10SBP2) 647 break; 648 crom_next(cc); 649 } 650 /* get firmware revision */ 651 reg = crom_search_key(cc, CSRKEY_FIRM_VER); 652 if (reg != NULL) 653 snprintf(sdev->revision, sizeof(sdev->revision), 654 "%06x", reg->val); 655 /* get product string */ 656 crom_search_key(cc, CSRKEY_MODEL); 657 crom_next(cc); 658 crom_parse_text(cc, sdev->product, sizeof(sdev->product)); 659} 660 661static void 662sbp_login_callout(void *arg) 663{ 664 struct sbp_dev *sdev = (struct sbp_dev *)arg; 665 sbp_mgm_orb(sdev, ORB_FUN_LGI, NULL); 666} 667 668#define SBP_FWDEV_ALIVE(fwdev) (((fwdev)->status == FWDEVATTACHED) \ 669 && crom_has_specver((fwdev)->csrrom, CSRVAL_ANSIT10, CSRVAL_T10SBP2)) 670 671static void 672sbp_probe_target(void *arg) 673{ 674 struct sbp_target *target = (struct sbp_target *)arg; 675 struct sbp_softc *sbp; 676 struct sbp_dev *sdev; 677 struct firewire_comm *fc; 678 int i, alive; 679 680 alive = SBP_FWDEV_ALIVE(target->fwdev); 681SBP_DEBUG(1) 682 printf("sbp_probe_target %d\n", target->target_id); 683 if (!alive) 684 printf("not alive\n"); 685END_DEBUG 686 687 sbp = target->sbp; 688 fc = target->sbp->fd.fc; 689 /* XXX untimeout mgm_ocb and dequeue */ 690 for (i=0; i < target->num_lun; i++) { 691 sdev = &target->luns[i]; 692 if (alive && (sdev->status != SBP_DEV_DEAD)) { 693 if (sdev->path != NULL) { 694 xpt_freeze_devq(sdev->path, 1); 695 sdev->freeze ++; 696 } 697 sbp_probe_lun(sdev); 698SBP_DEBUG(0) 699 sbp_show_sdev_info(sdev, 700 (sdev->status == SBP_DEV_RESET)); 701END_DEBUG 702 703 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET); 704 switch (sdev->status) { 705 case SBP_DEV_RESET: 706 /* new or revived target */ 707 if (auto_login) 708 sbp_login(sdev); 709 break; 710 case SBP_DEV_TOATTACH: 711 case SBP_DEV_PROBE: 712 case SBP_DEV_ATTACHED: 713 case SBP_DEV_RETRY: 714 default: 715 sbp_mgm_orb(sdev, ORB_FUN_RCN, NULL); 716 break; 717 } 718 } else { 719 switch (sdev->status) { 720 case SBP_DEV_ATTACHED: 721SBP_DEBUG(0) 722 /* the device has gone */ 723 sbp_show_sdev_info(sdev, 2); 724 printf("lost target\n"); 725END_DEBUG 726 if (sdev->path) { 727 xpt_freeze_devq(sdev->path, 1); 728 sdev->freeze ++; 729 } 730 sdev->status = SBP_DEV_RETRY; 731 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET); 732 break; 733 case SBP_DEV_PROBE: 734 case SBP_DEV_TOATTACH: 735 sdev->status = SBP_DEV_RESET; 736 break; 737 case SBP_DEV_RETRY: 738 case SBP_DEV_RESET: 739 case SBP_DEV_DEAD: 740 break; 741 } 742 } 743 } 744} 745 746static void 747sbp_post_busreset(void *arg) 748{ 749 struct sbp_softc *sbp; 750 751 sbp = (struct sbp_softc *)arg; 752SBP_DEBUG(0) 753 printf("sbp_post_busreset\n"); 754END_DEBUG 755} 756 757static void 758sbp_post_explore(void *arg) 759{ 760 struct sbp_softc *sbp = (struct sbp_softc *)arg; 761 struct sbp_target *target; 762 struct fw_device *fwdev; 763 int i, alive; 764 765SBP_DEBUG(0) 766 printf("sbp_post_explore (sbp_cold=%d)\n", sbp_cold); 767END_DEBUG 768#if 0 /* 769 * XXX don't let CAM the bus rest. CAM tries to do something with 770 * freezed (DEV_RETRY) devices 771 */ 772 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL); 773#endif 774 if (sbp_cold > 0) 775 sbp_cold --; 776 777 /* Gabage Collection */ 778 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){ 779 target = &sbp->targets[i]; 780 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) 781 if (target->fwdev == NULL || target->fwdev == fwdev) 782 break; 783 if(fwdev == NULL){ 784 /* device has removed in lower driver */ 785 sbp_cam_detach_target(target); 786 if (target->luns != NULL) 787 free(target->luns, M_SBP); 788 target->num_lun = 0;; 789 target->luns = NULL; 790 target->fwdev = NULL; 791 } 792 } 793 /* traverse device list */ 794 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) { 795SBP_DEBUG(0) 796 printf("sbp_post_explore: EUI:%08x%08x ", 797 fwdev->eui.hi, fwdev->eui.lo); 798 if (fwdev->status != FWDEVATTACHED) 799 printf("not attached, state=%d.\n", fwdev->status); 800 else 801 printf("attached\n"); 802END_DEBUG 803 alive = SBP_FWDEV_ALIVE(fwdev); 804 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){ 805 target = &sbp->targets[i]; 806 if(target->fwdev == fwdev ) { 807 /* known target */ 808 break; 809 } 810 } 811 if(i == SBP_NUM_TARGETS){ 812 if (alive) { 813 /* new target */ 814 target = sbp_alloc_target(sbp, fwdev); 815 if (target == NULL) 816 continue; 817 } else { 818 continue; 819 } 820 } 821 sbp_probe_target((void *)target); 822 } 823} 824 825#if NEED_RESPONSE 826static void 827sbp_loginres_callback(struct fw_xfer *xfer){ 828 int s; 829 struct sbp_dev *sdev; 830 sdev = (struct sbp_dev *)xfer->sc; 831SBP_DEBUG(1) 832 sbp_show_sdev_info(sdev, 2); 833 printf("sbp_loginres_callback\n"); 834END_DEBUG 835 /* recycle */ 836 s = splfw(); 837 STAILQ_INSERT_TAIL(&sdev->target->sbp->fwb.xferlist, xfer, link); 838 splx(s); 839 return; 840} 841#endif 842 843static __inline void 844sbp_xfer_free(struct fw_xfer *xfer) 845{ 846 struct sbp_dev *sdev; 847 int s; 848 849 sdev = (struct sbp_dev *)xfer->sc; 850 fw_xfer_unload(xfer); 851 s = splfw(); 852 STAILQ_INSERT_TAIL(&sdev->target->xferlist, xfer, link); 853 splx(s); 854} 855 856static void 857sbp_reset_start_callback(struct fw_xfer *xfer) 858{ 859 struct sbp_dev *tsdev, *sdev = (struct sbp_dev *)xfer->sc; 860 struct sbp_target *target = sdev->target; 861 int i; 862 863 if (xfer->resp != 0) { 864 sbp_show_sdev_info(sdev, 2); 865 printf("sbp_reset_start failed: resp=%d\n", xfer->resp); 866 } 867 868 for (i = 0; i < target->num_lun; i++) { 869 tsdev = &target->luns[i]; 870 if (tsdev->status == SBP_DEV_LOGIN) 871 sbp_login(sdev); 872 } 873} 874 875static void 876sbp_reset_start(struct sbp_dev *sdev) 877{ 878 struct fw_xfer *xfer; 879 struct fw_pkt *fp; 880 881SBP_DEBUG(0) 882 sbp_show_sdev_info(sdev, 2); 883 printf("sbp_reset_start\n"); 884END_DEBUG 885 886 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 887 xfer->act.hand = sbp_reset_start_callback; 888 fp = (struct fw_pkt *)xfer->send.buf; 889 fp->mode.wreqq.dest_hi = 0xffff; 890 fp->mode.wreqq.dest_lo = 0xf0000000 | RESET_START; 891 fp->mode.wreqq.data = htonl(0xf); 892 fw_asyreq(xfer->fc, -1, xfer); 893} 894 895static void 896sbp_mgm_callback(struct fw_xfer *xfer) 897{ 898 struct sbp_dev *sdev; 899 int resp; 900 901 sdev = (struct sbp_dev *)xfer->sc; 902 903SBP_DEBUG(1) 904 sbp_show_sdev_info(sdev, 2); 905 printf("sbp_mgm_callback\n"); 906END_DEBUG 907 resp = xfer->resp; 908 sbp_xfer_free(xfer); 909#if 0 910 if (resp != 0) { 911 sbp_show_sdev_info(sdev, 2); 912 printf("management ORB failed(%d) ... RESET_START\n", resp); 913 sbp_reset_start(sdev); 914 } 915#endif 916 return; 917} 918 919static void 920sbp_cmd_callback(struct fw_xfer *xfer) 921{ 922SBP_DEBUG(2) 923 struct sbp_dev *sdev; 924 sdev = (struct sbp_dev *)xfer->sc; 925 sbp_show_sdev_info(sdev, 2); 926 printf("sbp_cmd_callback\n"); 927END_DEBUG 928 sbp_xfer_free(xfer); 929 return; 930} 931 932static struct sbp_dev * 933sbp_next_dev(struct sbp_target *target, int lun) 934{ 935 struct sbp_dev *sdev; 936 int i; 937 938 for (i = lun, sdev = &target->luns[lun]; 939 i < target->num_lun; i++, sdev++) { 940 if (sdev->status == SBP_DEV_PROBE) 941 break; 942 } 943 if (i >= target->num_lun) 944 return(NULL); 945 return(sdev); 946} 947 948#define SCAN_PRI 1 949static void 950sbp_cam_scan_lun(struct cam_periph *periph, union ccb *ccb) 951{ 952 struct sbp_target *target; 953 struct sbp_dev *sdev; 954 955 sdev = (struct sbp_dev *) ccb->ccb_h.ccb_sdev_ptr; 956 target = sdev->target; 957SBP_DEBUG(0) 958 sbp_show_sdev_info(sdev, 2); 959 printf("sbp_cam_scan_lun\n"); 960END_DEBUG 961 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 962 sdev->status = SBP_DEV_ATTACHED; 963 } else { 964 sbp_show_sdev_info(sdev, 2); 965 printf("scan failed\n"); 966 } 967 sdev = sbp_next_dev(target, sdev->lun_id + 1); 968 if (sdev == NULL) { 969 free(ccb, M_SBP); 970 return; 971 } 972 /* reuse ccb */ 973 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI); 974 ccb->ccb_h.ccb_sdev_ptr = sdev; 975 xpt_action(ccb); 976 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 977 sdev->freeze = 1; 978} 979 980static void 981sbp_cam_scan_target(void *arg) 982{ 983 struct sbp_target *target = (struct sbp_target *)arg; 984 struct sbp_dev *sdev; 985 union ccb *ccb; 986 987 sdev = sbp_next_dev(target, 0); 988 if (sdev == NULL) { 989 printf("sbp_cam_scan_target: nothing to do for target%d\n", 990 target->target_id); 991 return; 992 } 993SBP_DEBUG(0) 994 sbp_show_sdev_info(sdev, 2); 995 printf("sbp_cam_scan_target\n"); 996END_DEBUG 997 ccb = malloc(sizeof(union ccb), M_SBP, M_NOWAIT | M_ZERO); 998 if (ccb == NULL) { 999 printf("sbp_cam_scan_target: malloc failed\n"); 1000 return; 1001 } 1002 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI); 1003 ccb->ccb_h.func_code = XPT_SCAN_LUN; 1004 ccb->ccb_h.cbfcnp = sbp_cam_scan_lun; 1005 ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 1006 ccb->crcn.flags = CAM_FLAG_NONE; 1007 ccb->ccb_h.ccb_sdev_ptr = sdev; 1008 1009 /* The scan is in progress now. */ 1010 xpt_action(ccb); 1011 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 1012 sdev->freeze = 1; 1013} 1014 1015static __inline void 1016sbp_scan_dev(struct sbp_dev *sdev) 1017{ 1018 sdev->status = SBP_DEV_PROBE; 1019 callout_reset(&sdev->target->scan_callout, SCAN_DELAY * hz, 1020 sbp_cam_scan_target, (void *)sdev->target); 1021} 1022 1023static void 1024sbp_do_attach(struct fw_xfer *xfer) 1025{ 1026 struct sbp_dev *sdev; 1027 struct sbp_target *target; 1028 struct sbp_softc *sbp; 1029 1030 sdev = (struct sbp_dev *)xfer->sc; 1031 target = sdev->target; 1032 sbp = target->sbp; 1033SBP_DEBUG(0) 1034 sbp_show_sdev_info(sdev, 2); 1035 printf("sbp_do_attach\n"); 1036END_DEBUG 1037 sbp_xfer_free(xfer); 1038 1039 if (sdev->path == NULL) 1040 xpt_create_path(&sdev->path, xpt_periph, 1041 cam_sim_path(target->sbp->sim), 1042 target->target_id, sdev->lun_id); 1043 1044 /* 1045 * Let CAM scan the bus if we are in the boot process. 1046 * XXX xpt_scan_bus cannot detect LUN larger than 0 1047 * if LUN 0 doesn't exists. 1048 */ 1049 if (sbp_cold > 0) { 1050 sdev->status = SBP_DEV_ATTACHED; 1051 return; 1052 } 1053 1054 sbp_scan_dev(sdev); 1055 return; 1056} 1057 1058static void 1059sbp_agent_reset_callback(struct fw_xfer *xfer) 1060{ 1061 struct sbp_dev *sdev; 1062 1063 sdev = (struct sbp_dev *)xfer->sc; 1064SBP_DEBUG(1) 1065 sbp_show_sdev_info(sdev, 2); 1066 printf("sbp_cmd_callback\n"); 1067END_DEBUG 1068 if (xfer->resp != 0) { 1069 sbp_show_sdev_info(sdev, 2); 1070 printf("sbp_cmd_callback resp=%d\n", xfer->resp); 1071 } 1072 1073 sbp_xfer_free(xfer); 1074 if (sdev->path) { 1075 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 1076 sdev->freeze = 0; 1077 } 1078} 1079 1080static void 1081sbp_agent_reset(struct sbp_dev *sdev) 1082{ 1083 struct fw_xfer *xfer; 1084 struct fw_pkt *fp; 1085 1086SBP_DEBUG(0) 1087 sbp_show_sdev_info(sdev, 2); 1088 printf("sbp_agent_reset\n"); 1089END_DEBUG 1090 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x04); 1091 if (xfer == NULL) 1092 return; 1093 if (sdev->status == SBP_DEV_ATTACHED || sdev->status == SBP_DEV_PROBE) 1094 xfer->act.hand = sbp_agent_reset_callback; 1095 else 1096 xfer->act.hand = sbp_do_attach; 1097 fp = (struct fw_pkt *)xfer->send.buf; 1098 fp->mode.wreqq.data = htonl(0xf); 1099 fw_asyreq(xfer->fc, -1, xfer); 1100 sbp_abort_all_ocbs(sdev, CAM_BDR_SENT); 1101} 1102 1103static void 1104sbp_busy_timeout_callback(struct fw_xfer *xfer) 1105{ 1106 struct sbp_dev *sdev; 1107 1108 sdev = (struct sbp_dev *)xfer->sc; 1109SBP_DEBUG(1) 1110 sbp_show_sdev_info(sdev, 2); 1111 printf("sbp_busy_timeout_callback\n"); 1112END_DEBUG 1113 sbp_xfer_free(xfer); 1114 sbp_agent_reset(sdev); 1115} 1116 1117static void 1118sbp_busy_timeout(struct sbp_dev *sdev) 1119{ 1120 struct fw_pkt *fp; 1121 struct fw_xfer *xfer; 1122SBP_DEBUG(0) 1123 sbp_show_sdev_info(sdev, 2); 1124 printf("sbp_busy_timeout\n"); 1125END_DEBUG 1126 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 1127 1128 xfer->act.hand = sbp_busy_timeout_callback; 1129 fp = (struct fw_pkt *)xfer->send.buf; 1130 fp->mode.wreqq.dest_hi = 0xffff; 1131 fp->mode.wreqq.dest_lo = 0xf0000000 | BUSY_TIMEOUT; 1132 fp->mode.wreqq.data = htonl((1 << (13+12)) | 0xf); 1133 fw_asyreq(xfer->fc, -1, xfer); 1134} 1135 1136static void 1137sbp_orb_pointer(struct sbp_dev *sdev, struct sbp_ocb *ocb) 1138{ 1139 struct fw_xfer *xfer; 1140 struct fw_pkt *fp; 1141SBP_DEBUG(2) 1142 sbp_show_sdev_info(sdev, 2); 1143 printf("sbp_orb_pointer\n"); 1144END_DEBUG 1145 1146 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0x08); 1147 if (xfer == NULL) 1148 return; 1149 xfer->act.hand = sbp_cmd_callback; 1150 1151 fp = (struct fw_pkt *)xfer->send.buf; 1152 fp->mode.wreqb.len = 8; 1153 fp->mode.wreqb.extcode = 0; 1154 fp->mode.wreqb.payload[0] = 1155 htonl(((sdev->target->sbp->fd.fc->nodeid | FWLOCALBUS )<< 16)); 1156 fp->mode.wreqb.payload[1] = htonl(ocb->bus_addr); 1157 1158 if(fw_asyreq(xfer->fc, -1, xfer) != 0){ 1159 sbp_xfer_free(xfer); 1160 ocb->ccb->ccb_h.status = CAM_REQ_INVALID; 1161 xpt_done(ocb->ccb); 1162 } 1163} 1164 1165#if 0 1166static void 1167sbp_doorbell(struct sbp_dev *sdev) 1168{ 1169 struct fw_xfer *xfer; 1170 struct fw_pkt *fp; 1171SBP_DEBUG(1) 1172 sbp_show_sdev_info(sdev, 2); 1173 printf("sbp_doorbell\n"); 1174END_DEBUG 1175 1176 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x10); 1177 if (xfer == NULL) 1178 return; 1179 xfer->act.hand = sbp_cmd_callback; 1180 fp = (struct fw_pkt *)xfer->send.buf; 1181 fp->mode.wreqq.data = htonl(0xf); 1182 fw_asyreq(xfer->fc, -1, xfer); 1183} 1184#endif 1185 1186static struct fw_xfer * 1187sbp_write_cmd(struct sbp_dev *sdev, int tcode, int offset) 1188{ 1189 struct fw_xfer *xfer; 1190 struct fw_pkt *fp; 1191 struct sbp_target *target; 1192 int s, new = 0; 1193 1194 target = sdev->target; 1195 s = splfw(); 1196 xfer = STAILQ_FIRST(&target->xferlist); 1197 if (xfer == NULL) { 1198 if (target->n_xfer > 5 /* XXX */) { 1199 printf("sbp: no more xfer for this target\n"); 1200 splx(s); 1201 return(NULL); 1202 } 1203 xfer = fw_xfer_alloc_buf(M_SBP, 24, 12); 1204 if(xfer == NULL){ 1205 printf("sbp: fw_xfer_alloc_buf failed\n"); 1206 splx(s); 1207 return NULL; 1208 } 1209 target->n_xfer ++; 1210 if (debug) 1211 printf("sbp: alloc %d xfer\n", target->n_xfer); 1212 new = 1; 1213 } else { 1214 STAILQ_REMOVE_HEAD(&target->xferlist, link); 1215 } 1216 splx(s); 1217 1218 microtime(&xfer->tv); 1219 1220 if (tcode == FWTCODE_WREQQ) 1221 xfer->send.len = 16; 1222 else 1223 xfer->send.len = 24; 1224 xfer->recv.len = 12; 1225 1226 if (new) { 1227 xfer->spd = min(sdev->target->fwdev->speed, max_speed); 1228 xfer->fc = sdev->target->sbp->fd.fc; 1229 xfer->retry_req = fw_asybusy; 1230 } 1231 xfer->sc = (caddr_t)sdev; 1232 fp = (struct fw_pkt *)xfer->send.buf; 1233 fp->mode.wreqq.dest_hi = sdev->login->cmd_hi; 1234 fp->mode.wreqq.dest_lo = sdev->login->cmd_lo + offset; 1235 fp->mode.wreqq.tlrt = 0; 1236 fp->mode.wreqq.tcode = tcode; 1237 fp->mode.wreqq.pri = 0; 1238 xfer->dst = FWLOCALBUS | sdev->target->fwdev->dst; 1239 fp->mode.wreqq.dst = xfer->dst; 1240 1241 return xfer; 1242 1243} 1244 1245static void 1246sbp_mgm_orb(struct sbp_dev *sdev, int func, struct sbp_ocb *aocb) 1247{ 1248 struct fw_xfer *xfer; 1249 struct fw_pkt *fp; 1250 struct sbp_ocb *ocb; 1251 struct sbp_target *target; 1252 int s, nid; 1253 1254 target = sdev->target; 1255 nid = target->sbp->fd.fc->nodeid | FWLOCALBUS; 1256 1257 s = splfw(); 1258 if (func == ORB_FUN_RUNQUEUE) { 1259 ocb = STAILQ_FIRST(&target->mgm_ocb_queue); 1260 if (target->mgm_ocb_cur != NULL || ocb == NULL) { 1261 splx(s); 1262 return; 1263 } 1264 STAILQ_REMOVE_HEAD(&target->mgm_ocb_queue, ocb); 1265 goto start; 1266 } 1267 if ((ocb = sbp_get_ocb(sdev)) == NULL) { 1268 splx(s); 1269 return; 1270 } 1271 ocb->flags = OCB_ACT_MGM; 1272 ocb->sdev = sdev; 1273 1274 bzero((void *)(uintptr_t)(volatile void *)ocb->orb, sizeof(ocb->orb)); 1275 ocb->orb[6] = htonl((nid << 16) | SBP_BIND_HI); 1276 ocb->orb[7] = htonl(SBP_DEV2ADDR( 1277 device_get_unit(target->sbp->fd.dev), 1278 target->target_id, 1279 sdev->lun_id)); 1280 1281SBP_DEBUG(0) 1282 sbp_show_sdev_info(sdev, 2); 1283 printf("%s\n", orb_fun_name[(func>>16)&0xf]); 1284END_DEBUG 1285 switch (func) { 1286 case ORB_FUN_LGI: 1287 ocb->orb[2] = htonl(nid << 16); 1288 ocb->orb[3] = htonl(sdev->dma.bus_addr); 1289 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_EXV | sdev->lun_id); 1290 ocb->orb[5] = htonl(SBP_LOGIN_SIZE); 1291 fwdma_sync(&sdev->dma, BUS_DMASYNC_PREREAD); 1292 break; 1293 case ORB_FUN_ATA: 1294 ocb->orb[0] = htonl((0 << 16) | 0); 1295 ocb->orb[1] = htonl(aocb->bus_addr & 0xffffffff); 1296 /* fall through */ 1297 case ORB_FUN_RCN: 1298 case ORB_FUN_LGO: 1299 case ORB_FUN_LUR: 1300 case ORB_FUN_RST: 1301 case ORB_FUN_ATS: 1302 ocb->orb[4] = htonl(ORB_NOTIFY | func | sdev->login->id); 1303 break; 1304 } 1305 1306 if (target->mgm_ocb_cur != NULL) { 1307 /* there is a standing ORB */ 1308 STAILQ_INSERT_TAIL(&sdev->target->mgm_ocb_queue, ocb, ocb); 1309 splx(s); 1310 return; 1311 } 1312start: 1313 target->mgm_ocb_cur = ocb; 1314 splx(s); 1315 1316 callout_reset(&target->mgm_ocb_timeout, 5*hz, 1317 sbp_mgm_timeout, (caddr_t)ocb); 1318 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0); 1319 if(xfer == NULL){ 1320 return; 1321 } 1322 xfer->act.hand = sbp_mgm_callback; 1323 1324 fp = (struct fw_pkt *)xfer->send.buf; 1325 fp->mode.wreqb.dest_hi = sdev->target->mgm_hi; 1326 fp->mode.wreqb.dest_lo = sdev->target->mgm_lo; 1327 fp->mode.wreqb.len = 8; 1328 fp->mode.wreqb.extcode = 0; 1329 fp->mode.wreqb.payload[0] = htonl(nid << 16); 1330 fp->mode.wreqb.payload[1] = htonl(ocb->bus_addr); 1331 1332 fw_asyreq(xfer->fc, -1, xfer); 1333} 1334 1335static void 1336sbp_print_scsi_cmd(struct sbp_ocb *ocb) 1337{ 1338 struct ccb_scsiio *csio; 1339 1340 csio = &ocb->ccb->csio; 1341 printf("%s:%d:%d XPT_SCSI_IO: " 1342 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 1343 ", flags: 0x%02x, " 1344 "%db cmd/%db data/%db sense\n", 1345 device_get_nameunit(ocb->sdev->target->sbp->fd.dev), 1346 ocb->ccb->ccb_h.target_id, ocb->ccb->ccb_h.target_lun, 1347 csio->cdb_io.cdb_bytes[0], 1348 csio->cdb_io.cdb_bytes[1], 1349 csio->cdb_io.cdb_bytes[2], 1350 csio->cdb_io.cdb_bytes[3], 1351 csio->cdb_io.cdb_bytes[4], 1352 csio->cdb_io.cdb_bytes[5], 1353 csio->cdb_io.cdb_bytes[6], 1354 csio->cdb_io.cdb_bytes[7], 1355 csio->cdb_io.cdb_bytes[8], 1356 csio->cdb_io.cdb_bytes[9], 1357 ocb->ccb->ccb_h.flags & CAM_DIR_MASK, 1358 csio->cdb_len, csio->dxfer_len, 1359 csio->sense_len); 1360} 1361 1362static void 1363sbp_scsi_status(struct sbp_status *sbp_status, struct sbp_ocb *ocb) 1364{ 1365 struct sbp_cmd_status *sbp_cmd_status; 1366 struct scsi_sense_data *sense; 1367 1368 sbp_cmd_status = (struct sbp_cmd_status *)sbp_status->data; 1369 sense = &ocb->ccb->csio.sense_data; 1370 1371SBP_DEBUG(0) 1372 sbp_print_scsi_cmd(ocb); 1373 /* XXX need decode status */ 1374 sbp_show_sdev_info(ocb->sdev, 2); 1375 printf("SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d\n", 1376 sbp_cmd_status->status, 1377 sbp_cmd_status->sfmt, 1378 sbp_cmd_status->valid, 1379 sbp_cmd_status->s_key, 1380 sbp_cmd_status->s_code, 1381 sbp_cmd_status->s_qlfr, 1382 sbp_status->len 1383 ); 1384END_DEBUG 1385 1386 switch (sbp_cmd_status->status) { 1387 case SCSI_STATUS_CHECK_COND: 1388 case SCSI_STATUS_BUSY: 1389 case SCSI_STATUS_CMD_TERMINATED: 1390 if(sbp_cmd_status->sfmt == SBP_SFMT_CURR){ 1391 sense->error_code = SSD_CURRENT_ERROR; 1392 }else{ 1393 sense->error_code = SSD_DEFERRED_ERROR; 1394 } 1395 if(sbp_cmd_status->valid) 1396 sense->error_code |= SSD_ERRCODE_VALID; 1397 sense->flags = sbp_cmd_status->s_key; 1398 if(sbp_cmd_status->mark) 1399 sense->flags |= SSD_FILEMARK; 1400 if(sbp_cmd_status->eom) 1401 sense->flags |= SSD_EOM; 1402 if(sbp_cmd_status->ill_len) 1403 sense->flags |= SSD_ILI; 1404 sense->info[0] = ntohl(sbp_cmd_status->info) & 0xff; 1405 sense->info[1] =(ntohl(sbp_cmd_status->info) >> 8) & 0xff; 1406 sense->info[2] =(ntohl(sbp_cmd_status->info) >> 16) & 0xff; 1407 sense->info[3] =(ntohl(sbp_cmd_status->info) >> 24) & 0xff; 1408 if (sbp_status->len <= 1) 1409 /* XXX not scsi status. shouldn't be happened */ 1410 sense->extra_len = 0; 1411 else if (sbp_status->len <= 4) 1412 /* add_sense_code(_qual), info, cmd_spec_info */ 1413 sense->extra_len = 6; 1414 else 1415 /* fru, sense_key_spec */ 1416 sense->extra_len = 10; 1417 sense->cmd_spec_info[0] = ntohl(sbp_cmd_status->cdb) & 0xff; 1418 sense->cmd_spec_info[1] = (ntohl(sbp_cmd_status->cdb) >> 8) & 0xff; 1419 sense->cmd_spec_info[2] = (ntohl(sbp_cmd_status->cdb) >> 16) & 0xff; 1420 sense->cmd_spec_info[3] = (ntohl(sbp_cmd_status->cdb) >> 24) & 0xff; 1421 sense->add_sense_code = sbp_cmd_status->s_code; 1422 sense->add_sense_code_qual = sbp_cmd_status->s_qlfr; 1423 sense->fru = sbp_cmd_status->fru; 1424 sense->sense_key_spec[0] = ntohl(sbp_cmd_status->s_keydep) & 0xff; 1425 sense->sense_key_spec[1] = (ntohl(sbp_cmd_status->s_keydep) >>8) & 0xff; 1426 sense->sense_key_spec[2] = (ntohl(sbp_cmd_status->s_keydep) >>16) & 0xff; 1427 1428 ocb->ccb->csio.scsi_status = sbp_cmd_status->status;; 1429 ocb->ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR 1430 | CAM_AUTOSNS_VALID; 1431/* 1432{ 1433 u_int8_t j, *tmp; 1434 tmp = sense; 1435 for( j = 0 ; j < 32 ; j+=8){ 1436 printf("sense %02x%02x %02x%02x %02x%02x %02x%02x\n", 1437 tmp[j], tmp[j+1], tmp[j+2], tmp[j+3], 1438 tmp[j+4], tmp[j+5], tmp[j+6], tmp[j+7]); 1439 } 1440 1441} 1442*/ 1443 break; 1444 default: 1445 sbp_show_sdev_info(ocb->sdev, 2); 1446 printf("sbp_scsi_status: unknown scsi status 0x%x\n", 1447 sbp_cmd_status->status); 1448 } 1449} 1450 1451static void 1452sbp_fix_inq_data(struct sbp_ocb *ocb) 1453{ 1454 union ccb *ccb; 1455 struct sbp_dev *sdev; 1456 struct scsi_inquiry_data *inq; 1457 1458 ccb = ocb->ccb; 1459 sdev = ocb->sdev; 1460 1461 if (ccb->csio.cdb_io.cdb_bytes[1] & SI_EVPD) 1462 return; 1463SBP_DEBUG(1) 1464 sbp_show_sdev_info(sdev, 2); 1465 printf("sbp_fix_inq_data\n"); 1466END_DEBUG 1467 inq = (struct scsi_inquiry_data *) ccb->csio.data_ptr; 1468 switch (SID_TYPE(inq)) { 1469 case T_DIRECT: 1470 /* 1471 * XXX Convert Direct Access device to RBC. 1472 * I've never seen FireWire DA devices which support READ_6. 1473 */ 1474#if 1 1475 if (SID_TYPE(inq) == T_DIRECT) 1476 inq->device |= T_RBC; /* T_DIRECT == 0 */ 1477#endif 1478 /* fall through */ 1479 case T_RBC: 1480 /* enable tag queuing */ 1481#if 1 1482 inq->flags |= SID_CmdQue; 1483#endif 1484 /* 1485 * Override vendor/product/revision information. 1486 * Some devices sometimes return strange strings. 1487 */ 1488#if 1 1489 bcopy(sdev->vendor, inq->vendor, sizeof(inq->vendor)); 1490 bcopy(sdev->product, inq->product, sizeof(inq->product)); 1491 bcopy(sdev->revision+2, inq->revision, sizeof(inq->revision)); 1492#endif 1493 break; 1494 } 1495} 1496 1497static void 1498sbp_recv1(struct fw_xfer *xfer) 1499{ 1500 struct fw_pkt *rfp; 1501#if NEED_RESPONSE 1502 struct fw_pkt *sfp; 1503#endif 1504 struct sbp_softc *sbp; 1505 struct sbp_dev *sdev; 1506 struct sbp_ocb *ocb; 1507 struct sbp_login_res *login_res = NULL; 1508 struct sbp_status *sbp_status; 1509 struct sbp_target *target; 1510 int orb_fun, status_valid0, status_valid, t, l, reset_agent = 0; 1511 u_int32_t addr; 1512/* 1513 u_int32_t *ld; 1514 ld = xfer->recv.buf; 1515printf("sbp %x %d %d %08x %08x %08x %08x\n", 1516 xfer->resp, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3])); 1517printf("sbp %08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 1518printf("sbp %08x %08x %08x %08x\n", ntohl(ld[8]), ntohl(ld[9]), ntohl(ld[10]), ntohl(ld[11])); 1519*/ 1520 1521 sbp = (struct sbp_softc *)xfer->sc; 1522 if(xfer->resp != 0){ 1523 printf("sbp_recv: xfer->resp != 0\n"); 1524 goto done0; 1525 } 1526 if(xfer->recv.buf == NULL){ 1527 printf("sbp_recv: xfer->recv.buf == NULL\n"); 1528 goto done0; 1529 } 1530 sbp = (struct sbp_softc *)xfer->sc; 1531 rfp = (struct fw_pkt *)xfer->recv.buf; 1532 if(rfp->mode.wreqb.tcode != FWTCODE_WREQB){ 1533 printf("sbp_recv: tcode = %d\n", rfp->mode.wreqb.tcode); 1534 goto done0; 1535 } 1536 sbp_status = (struct sbp_status *)rfp->mode.wreqb.payload; 1537 addr = rfp->mode.wreqb.dest_lo; 1538SBP_DEBUG(2) 1539 printf("received address 0x%x\n", addr); 1540END_DEBUG 1541 t = SBP_ADDR2TRG(addr); 1542 if (t >= SBP_NUM_TARGETS) { 1543 device_printf(sbp->fd.dev, 1544 "sbp_recv1: invalid target %d\n", t); 1545 goto done0; 1546 } 1547 target = &sbp->targets[t]; 1548 l = SBP_ADDR2LUN(addr); 1549 if (l >= target->num_lun) { 1550 device_printf(sbp->fd.dev, 1551 "sbp_recv1: invalid lun %d (target=%d)\n", l, t); 1552 goto done0; 1553 } 1554 sdev = &target->luns[l]; 1555 1556 ocb = NULL; 1557 switch (sbp_status->src) { 1558 case 0: 1559 case 1: 1560 /* check mgm_ocb_cur first */ 1561 ocb = target->mgm_ocb_cur; 1562 if (ocb != NULL) { 1563 if (OCB_MATCH(ocb, sbp_status)) { 1564 callout_stop(&target->mgm_ocb_timeout); 1565 target->mgm_ocb_cur = NULL; 1566 break; 1567 } 1568 } 1569 ocb = sbp_dequeue_ocb(sdev, sbp_status); 1570 if (ocb == NULL) { 1571 sbp_show_sdev_info(sdev, 2); 1572#if __FreeBSD_version >= 500000 1573 printf("No ocb(%x) on the queue\n", 1574#else 1575 printf("No ocb(%lx) on the queue\n", 1576#endif 1577 ntohl(sbp_status->orb_lo)); 1578 } 1579 break; 1580 case 2: 1581 /* unsolicit */ 1582 sbp_show_sdev_info(sdev, 2); 1583 printf("unsolicit status received\n"); 1584 break; 1585 default: 1586 sbp_show_sdev_info(sdev, 2); 1587 printf("unknown sbp_status->src\n"); 1588 } 1589 1590 status_valid0 = (sbp_status->src < 2 1591 && sbp_status->resp == ORB_RES_CMPL 1592 && sbp_status->dead == 0); 1593 status_valid = (status_valid0 && sbp_status->status == 0); 1594 1595 if (!status_valid0 || debug > 1){ 1596 int status; 1597SBP_DEBUG(0) 1598 sbp_show_sdev_info(sdev, 2); 1599 printf("ORB status src:%x resp:%x dead:%x" 1600#if __FreeBSD_version >= 500000 1601 " len:%x stat:%x orb:%x%08x\n", 1602#else 1603 " len:%x stat:%x orb:%x%08lx\n", 1604#endif 1605 sbp_status->src, sbp_status->resp, sbp_status->dead, 1606 sbp_status->len, sbp_status->status, 1607 ntohs(sbp_status->orb_hi), ntohl(sbp_status->orb_lo)); 1608END_DEBUG 1609 sbp_show_sdev_info(sdev, 2); 1610 status = sbp_status->status; 1611 switch(sbp_status->resp) { 1612 case 0: 1613 if (status > MAX_ORB_STATUS0) 1614 printf("%s\n", orb_status0[MAX_ORB_STATUS0]); 1615 else 1616 printf("%s\n", orb_status0[status]); 1617 break; 1618 case 1: 1619 printf("Obj: %s, Error: %s\n", 1620 orb_status1_object[(status>>6) & 3], 1621 orb_status1_serial_bus_error[status & 0xf]); 1622 break; 1623 case 2: 1624 printf("Illegal request\n"); 1625 break; 1626 case 3: 1627 printf("Vendor dependent\n"); 1628 break; 1629 default: 1630 printf("unknown respose code %d\n", sbp_status->resp); 1631 } 1632 } 1633 1634 /* we have to reset the fetch agent if it's dead */ 1635 if (sbp_status->dead) { 1636 if (sdev->path) { 1637 xpt_freeze_devq(sdev->path, 1); 1638 sdev->freeze ++; 1639 } 1640 reset_agent = 1; 1641 } 1642 1643 if (ocb == NULL) 1644 goto done; 1645 1646 switch(ntohl(ocb->orb[4]) & ORB_FMT_MSK){ 1647 case ORB_FMT_NOP: 1648 break; 1649 case ORB_FMT_VED: 1650 break; 1651 case ORB_FMT_STD: 1652 switch(ocb->flags) { 1653 case OCB_ACT_MGM: 1654 orb_fun = ntohl(ocb->orb[4]) & ORB_FUN_MSK; 1655 switch(orb_fun) { 1656 case ORB_FUN_LGI: 1657 fwdma_sync(&sdev->dma, BUS_DMASYNC_POSTREAD); 1658 login_res = sdev->login; 1659 login_res->len = ntohs(login_res->len); 1660 login_res->id = ntohs(login_res->id); 1661 login_res->cmd_hi = ntohs(login_res->cmd_hi); 1662 login_res->cmd_lo = ntohl(login_res->cmd_lo); 1663 if (status_valid) { 1664SBP_DEBUG(0) 1665sbp_show_sdev_info(sdev, 2); 1666printf("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)); 1667END_DEBUG 1668 sbp_busy_timeout(sdev); 1669 } else { 1670 /* forgot logout? */ 1671 sbp_show_sdev_info(sdev, 2); 1672 printf("login failed\n"); 1673 sdev->status = SBP_DEV_RESET; 1674 } 1675 break; 1676 case ORB_FUN_RCN: 1677 login_res = sdev->login; 1678 if (status_valid) { 1679SBP_DEBUG(0) 1680sbp_show_sdev_info(sdev, 2); 1681printf("reconnect: len %d, ID %d, cmd %08x%08x\n", login_res->len, login_res->id, login_res->cmd_hi, login_res->cmd_lo); 1682END_DEBUG 1683#if 1 1684 if (sdev->status == SBP_DEV_ATTACHED) 1685 sbp_scan_dev(sdev); 1686 else 1687 sbp_agent_reset(sdev); 1688#else 1689 sdev->status = SBP_DEV_ATTACHED; 1690 sbp_mgm_orb(sdev, ORB_FUN_ATS, NULL); 1691#endif 1692 } else { 1693 /* reconnection hold time exceed? */ 1694SBP_DEBUG(0) 1695 sbp_show_sdev_info(sdev, 2); 1696 printf("reconnect failed\n"); 1697END_DEBUG 1698 sbp_login(sdev); 1699 } 1700 break; 1701 case ORB_FUN_LGO: 1702 sdev->status = SBP_DEV_RESET; 1703 break; 1704 case ORB_FUN_RST: 1705 sbp_busy_timeout(sdev); 1706 break; 1707 case ORB_FUN_LUR: 1708 case ORB_FUN_ATA: 1709 case ORB_FUN_ATS: 1710 sbp_agent_reset(sdev); 1711 break; 1712 default: 1713 sbp_show_sdev_info(sdev, 2); 1714 printf("unknown function %d\n", orb_fun); 1715 break; 1716 } 1717 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 1718 break; 1719 case OCB_ACT_CMD: 1720 sdev->timeout = 0; 1721 if(ocb->ccb != NULL){ 1722 union ccb *ccb; 1723/* 1724 u_int32_t *ld; 1725 ld = ocb->ccb->csio.data_ptr; 1726 if(ld != NULL && ocb->ccb->csio.dxfer_len != 0) 1727 printf("ptr %08x %08x %08x %08x\n", ld[0], ld[1], ld[2], ld[3]); 1728 else 1729 printf("ptr NULL\n"); 1730printf("len %d\n", sbp_status->len); 1731*/ 1732 ccb = ocb->ccb; 1733 if(sbp_status->len > 1){ 1734 sbp_scsi_status(sbp_status, ocb); 1735 }else{ 1736 if(sbp_status->resp != ORB_RES_CMPL){ 1737 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1738 }else{ 1739 ccb->ccb_h.status = CAM_REQ_CMP; 1740 } 1741 } 1742 /* fix up inq data */ 1743 if (ccb->csio.cdb_io.cdb_bytes[0] == INQUIRY) 1744 sbp_fix_inq_data(ocb); 1745 xpt_done(ccb); 1746 } 1747 break; 1748 default: 1749 break; 1750 } 1751 } 1752 1753 sbp_free_ocb(sdev, ocb); 1754done: 1755 if (reset_agent) 1756 sbp_agent_reset(sdev); 1757 1758done0: 1759/* The received packet is usually small enough to be stored within 1760 * the buffer. In that case, the controller return ack_complete and 1761 * no respose is necessary. 1762 * 1763 * XXX fwohci.c and firewire.c should inform event_code such as 1764 * ack_complete or ack_pending to upper driver. 1765 */ 1766#if NEED_RESPONSE 1767 xfer->send.off = 0; 1768 sfp = (struct fw_pkt *)xfer->send.buf; 1769 sfp->mode.wres.dst = rfp->mode.wreqb.src; 1770 xfer->dst = sfp->mode.wres.dst; 1771 xfer->spd = min(sdev->target->fwdev->speed, max_speed); 1772 xfer->act.hand = sbp_loginres_callback; 1773 xfer->retry_req = fw_asybusy; 1774 1775 sfp->mode.wres.tlrt = rfp->mode.wreqb.tlrt; 1776 sfp->mode.wres.tcode = FWTCODE_WRES; 1777 sfp->mode.wres.rtcode = 0; 1778 sfp->mode.wres.pri = 0; 1779 1780 fw_asyreq(xfer->fc, -1, xfer); 1781#else 1782 /* recycle */ 1783 xfer->recv.len = SBP_RECV_LEN; 1784 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link); 1785#endif 1786 1787 return; 1788 1789} 1790 1791static void 1792sbp_recv(struct fw_xfer *xfer) 1793{ 1794 int s; 1795 1796 s = splcam(); 1797 sbp_recv1(xfer); 1798 splx(s); 1799} 1800/* 1801 * sbp_attach() 1802 */ 1803static int 1804sbp_attach(device_t dev) 1805{ 1806 struct sbp_softc *sbp; 1807 struct cam_devq *devq; 1808 struct fw_xfer *xfer; 1809 int i, s, error; 1810 1811SBP_DEBUG(0) 1812 printf("sbp_attach (cold=%d)\n", cold); 1813END_DEBUG 1814 1815 if (cold) 1816 sbp_cold ++; 1817 sbp = ((struct sbp_softc *)device_get_softc(dev)); 1818 bzero(sbp, sizeof(struct sbp_softc)); 1819 sbp->fd.dev = dev; 1820 sbp->fd.fc = device_get_ivars(dev); 1821 error = bus_dma_tag_create(/*parent*/sbp->fd.fc->dmat, 1822 /* XXX shoud be 4 for sane backend? */ 1823 /*alignment*/1, 1824 /*boundary*/0, 1825 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, 1826 /*highaddr*/BUS_SPACE_MAXADDR, 1827 /*filter*/NULL, /*filterarg*/NULL, 1828 /*maxsize*/0x100000, /*nsegments*/SBP_IND_MAX, 1829 /*maxsegsz*/SBP_SEG_MAX, 1830 /*flags*/BUS_DMA_ALLOCNOW, 1831 &sbp->dmat); 1832 if (error != 0) { 1833 printf("sbp_attach: Could not allocate DMA tag " 1834 "- error %d\n", error); 1835 return (ENOMEM); 1836 } 1837 1838 devq = cam_simq_alloc(/*maxopenings*/SBP_NUM_OCB); 1839 if (devq == NULL) 1840 return (ENXIO); 1841 1842 for( i = 0 ; i < SBP_NUM_TARGETS ; i++){ 1843 sbp->targets[i].fwdev = NULL; 1844 sbp->targets[i].luns = NULL; 1845 } 1846 1847 sbp->sim = cam_sim_alloc(sbp_action, sbp_poll, "sbp", sbp, 1848 device_get_unit(dev), 1849 /*untagged*/ 1, 1850 /*tagged*/ SBP_QUEUE_LEN, 1851 devq); 1852 1853 if (sbp->sim == NULL) { 1854 cam_simq_free(devq); 1855 return (ENXIO); 1856 } 1857 1858 1859 if (xpt_bus_register(sbp->sim, /*bus*/0) != CAM_SUCCESS) 1860 goto fail; 1861 1862 if (xpt_create_path(&sbp->path, xpt_periph, cam_sim_path(sbp->sim), 1863 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) 1864 goto fail; 1865 1866 sbp->fwb.start_hi = SBP_BIND_HI; 1867 sbp->fwb.start_lo = SBP_DEV2ADDR(device_get_unit(sbp->fd.dev), 0, 0); 1868 /* We reserve 16 bit space (4 bytes X 64 targets X 256 luns) */ 1869 sbp->fwb.addrlen = 0xffff; 1870 sbp->fwb.act_type = FWACT_XFER; 1871 /* pre-allocate xfer */ 1872 STAILQ_INIT(&sbp->fwb.xferlist); 1873 for (i = 0; i < SBP_NUM_OCB/2; i ++) { 1874 xfer = fw_xfer_alloc_buf(M_SBP, 1875#if NEED_RESPONSE 1876 /* send */12, 1877#else 1878 /* send */0, 1879#endif 1880 /* recv */SBP_RECV_LEN); 1881 xfer->act.hand = sbp_recv; 1882#if NEED_RESPONSE 1883 xfer->fc = sbp->fd.fc; 1884#endif 1885 xfer->sc = (caddr_t)sbp; 1886 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link); 1887 } 1888 fw_bindadd(sbp->fd.fc, &sbp->fwb); 1889 1890 sbp->fd.post_busreset = sbp_post_busreset; 1891 sbp->fd.post_explore = sbp_post_explore; 1892 1893 if (sbp->fd.fc->status != -1) { 1894 s = splfw(); 1895 sbp_post_explore((void *)sbp); 1896 splx(s); 1897 } 1898 1899 return (0); 1900fail: 1901 cam_sim_free(sbp->sim, /*free_devq*/TRUE); 1902 return (ENXIO); 1903} 1904 1905static int 1906sbp_logout_all(struct sbp_softc *sbp) 1907{ 1908 struct sbp_target *target; 1909 struct sbp_dev *sdev; 1910 int i, j; 1911 1912SBP_DEBUG(0) 1913 printf("sbp_logout_all\n"); 1914END_DEBUG 1915 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) { 1916 target = &sbp->targets[i]; 1917 if (target->luns == NULL) 1918 continue; 1919 for (j = 0; j < target->num_lun; j++) { 1920 sdev = &target->luns[j]; 1921 callout_stop(&sdev->login_callout); 1922 if (sdev->status >= SBP_DEV_TOATTACH && 1923 sdev->status <= SBP_DEV_ATTACHED) 1924 sbp_mgm_orb(sdev, ORB_FUN_LGO, NULL); 1925 } 1926 } 1927 1928 return 0; 1929} 1930 1931static int 1932sbp_shutdown(device_t dev) 1933{ 1934 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 1935 1936 sbp_logout_all(sbp); 1937 return (0); 1938} 1939 1940static int 1941sbp_detach(device_t dev) 1942{ 1943 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 1944 struct firewire_comm *fc = sbp->fd.fc; 1945 struct sbp_target *target; 1946 struct sbp_dev *sdev; 1947 struct fw_xfer *xfer, *next; 1948 int i, j; 1949 1950SBP_DEBUG(0) 1951 printf("sbp_detach\n"); 1952END_DEBUG 1953 1954 for (i = 0; i < SBP_NUM_TARGETS; i ++) 1955 sbp_cam_detach_target(&sbp->targets[i]); 1956 xpt_free_path(sbp->path); 1957 xpt_bus_deregister(cam_sim_path(sbp->sim)); 1958 1959 sbp_logout_all(sbp); 1960 1961 /* XXX wait for logout completion */ 1962 tsleep(&i, FWPRI, "sbpdtc", hz/2); 1963 1964 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) { 1965 target = &sbp->targets[i]; 1966 if (target->luns == NULL) 1967 continue; 1968 callout_stop(&target->mgm_ocb_timeout); 1969 for (j = 0; j < target->num_lun; j++) { 1970 sdev = &target->luns[j]; 1971 if (sdev->status != SBP_DEV_DEAD) { 1972 for (i = 0; i < SBP_QUEUE_LEN; i++) 1973 bus_dmamap_destroy(sbp->dmat, 1974 sdev->ocb[i].dmamap); 1975 fwdma_free(sbp->fd.fc, &sdev->dma); 1976 } 1977 } 1978 for (xfer = STAILQ_FIRST(&target->xferlist); 1979 xfer != NULL; xfer = next) { 1980 next = STAILQ_NEXT(xfer, link); 1981 fw_xfer_free(xfer); 1982 } 1983 free(target->luns, M_SBP); 1984 } 1985 1986 for (xfer = STAILQ_FIRST(&sbp->fwb.xferlist); 1987 xfer != NULL; xfer = next) { 1988 next = STAILQ_NEXT(xfer, link); 1989 fw_xfer_free(xfer); 1990 } 1991 STAILQ_INIT(&sbp->fwb.xferlist); 1992 fw_bindremove(fc, &sbp->fwb); 1993 1994 bus_dma_tag_destroy(sbp->dmat); 1995 1996 return (0); 1997} 1998 1999static void 2000sbp_cam_detach_target(struct sbp_target *target) 2001{ 2002 struct sbp_dev *sdev; 2003 int i; 2004 2005 if (target->luns != NULL) { 2006SBP_DEBUG(0) 2007 printf("sbp_detach_target %d\n", target->target_id); 2008END_DEBUG 2009 callout_stop(&target->scan_callout); 2010 for (i = 0; i < target->num_lun; i++) { 2011 sdev = &target->luns[i]; 2012 if (sdev->status == SBP_DEV_DEAD) 2013 continue; 2014 if (sdev->status == SBP_DEV_RESET) 2015 continue; 2016 if (sdev->path) { 2017 xpt_release_devq(sdev->path, 2018 sdev->freeze, TRUE); 2019 sdev->freeze = 0; 2020 xpt_async(AC_LOST_DEVICE, sdev->path, NULL); 2021 xpt_free_path(sdev->path); 2022 sdev->path = NULL; 2023 } 2024 sbp_abort_all_ocbs(sdev, CAM_DEV_NOT_THERE); 2025 } 2026 } 2027} 2028 2029static void 2030sbp_target_reset(struct sbp_dev *sdev, int method) 2031{ 2032 int i; 2033 struct sbp_target *target = sdev->target; 2034 struct sbp_dev *tsdev; 2035 2036 for (i = 0; i < target->num_lun; i++) { 2037 tsdev = &target->luns[i]; 2038 if (tsdev->status == SBP_DEV_DEAD) 2039 continue; 2040 if (tsdev->status == SBP_DEV_RESET) 2041 continue; 2042 xpt_freeze_devq(tsdev->path, 1); 2043 tsdev->freeze ++; 2044 sbp_abort_all_ocbs(tsdev, CAM_CMD_TIMEOUT); 2045 if (method == 2) 2046 tsdev->status = SBP_DEV_LOGIN; 2047 } 2048 switch(method) { 2049 case 1: 2050 printf("target reset\n"); 2051 sbp_mgm_orb(sdev, ORB_FUN_RST, NULL); 2052 break; 2053 case 2: 2054 printf("reset start\n"); 2055 sbp_reset_start(sdev); 2056 break; 2057 } 2058 2059} 2060 2061static void 2062sbp_mgm_timeout(void *arg) 2063{ 2064 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 2065 struct sbp_dev *sdev = ocb->sdev; 2066 struct sbp_target *target = sdev->target; 2067 2068 sbp_show_sdev_info(sdev, 2); 2069 printf("management ORB timeout\n"); 2070 target->mgm_ocb_cur = NULL; 2071 sbp_free_ocb(sdev, ocb); 2072#if 0 2073 /* XXX */ 2074 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 2075#endif 2076#if 0 2077 sbp_reset_start(sdev); 2078#endif 2079} 2080 2081static void 2082sbp_timeout(void *arg) 2083{ 2084 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 2085 struct sbp_dev *sdev = ocb->sdev; 2086 2087 sbp_show_sdev_info(sdev, 2); 2088 printf("request timeout ... "); 2089 2090 sdev->timeout ++; 2091 switch(sdev->timeout) { 2092 case 1: 2093 printf("agent reset\n"); 2094 xpt_freeze_devq(sdev->path, 1); 2095 sdev->freeze ++; 2096 sbp_abort_all_ocbs(sdev, CAM_CMD_TIMEOUT); 2097 sbp_agent_reset(sdev); 2098 break; 2099 case 2: 2100 case 3: 2101 sbp_target_reset(sdev, sdev->timeout - 1); 2102 break; 2103#if 0 2104 default: 2105 /* XXX give up */ 2106 sbp_cam_detach_target(target); 2107 if (target->luns != NULL) 2108 free(target->luns, M_SBP); 2109 target->num_lun = 0;; 2110 target->luns = NULL; 2111 target->fwdev = NULL; 2112#endif 2113 } 2114} 2115 2116static void 2117sbp_action1(struct cam_sim *sim, union ccb *ccb) 2118{ 2119 2120 struct sbp_softc *sbp = (struct sbp_softc *)sim->softc; 2121 struct sbp_target *target = NULL; 2122 struct sbp_dev *sdev = NULL; 2123 2124 /* target:lun -> sdev mapping */ 2125 if (sbp != NULL 2126 && ccb->ccb_h.target_id != CAM_TARGET_WILDCARD 2127 && ccb->ccb_h.target_id < SBP_NUM_TARGETS) { 2128 target = &sbp->targets[ccb->ccb_h.target_id]; 2129 if (target->fwdev != NULL 2130 && ccb->ccb_h.target_lun != CAM_LUN_WILDCARD 2131 && ccb->ccb_h.target_lun < target->num_lun) { 2132 sdev = &target->luns[ccb->ccb_h.target_lun]; 2133 if (sdev->status != SBP_DEV_ATTACHED && 2134 sdev->status != SBP_DEV_PROBE) 2135 sdev = NULL; 2136 } 2137 } 2138 2139SBP_DEBUG(1) 2140 if (sdev == NULL) 2141 printf("invalid target %d lun %d\n", 2142 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2143END_DEBUG 2144 2145 switch (ccb->ccb_h.func_code) { 2146 case XPT_SCSI_IO: 2147 case XPT_RESET_DEV: 2148 case XPT_GET_TRAN_SETTINGS: 2149 case XPT_SET_TRAN_SETTINGS: 2150 case XPT_CALC_GEOMETRY: 2151 if (sdev == NULL) { 2152SBP_DEBUG(1) 2153 printf("%s:%d:%d:func_code 0x%04x: " 2154 "Invalid target (target needed)\n", 2155 device_get_nameunit(sbp->fd.dev), 2156 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2157 ccb->ccb_h.func_code); 2158END_DEBUG 2159 2160 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2161 xpt_done(ccb); 2162 return; 2163 } 2164 break; 2165 case XPT_PATH_INQ: 2166 case XPT_NOOP: 2167 /* The opcodes sometimes aimed at a target (sc is valid), 2168 * sometimes aimed at the SIM (sc is invalid and target is 2169 * CAM_TARGET_WILDCARD) 2170 */ 2171 if (sbp == NULL && 2172 ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) { 2173SBP_DEBUG(0) 2174 printf("%s:%d:%d func_code 0x%04x: " 2175 "Invalid target (no wildcard)\n", 2176 device_get_nameunit(sbp->fd.dev), 2177 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2178 ccb->ccb_h.func_code); 2179END_DEBUG 2180 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2181 xpt_done(ccb); 2182 return; 2183 } 2184 break; 2185 default: 2186 /* XXX Hm, we should check the input parameters */ 2187 break; 2188 } 2189 2190 switch (ccb->ccb_h.func_code) { 2191 case XPT_SCSI_IO: 2192 { 2193 struct ccb_scsiio *csio; 2194 struct sbp_ocb *ocb; 2195 int speed; 2196 void *cdb; 2197 2198 csio = &ccb->csio; 2199 2200SBP_DEBUG(1) 2201 printf("%s:%d:%d XPT_SCSI_IO: " 2202 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 2203 ", flags: 0x%02x, " 2204 "%db cmd/%db data/%db sense\n", 2205 device_get_nameunit(sbp->fd.dev), 2206 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2207 csio->cdb_io.cdb_bytes[0], 2208 csio->cdb_io.cdb_bytes[1], 2209 csio->cdb_io.cdb_bytes[2], 2210 csio->cdb_io.cdb_bytes[3], 2211 csio->cdb_io.cdb_bytes[4], 2212 csio->cdb_io.cdb_bytes[5], 2213 csio->cdb_io.cdb_bytes[6], 2214 csio->cdb_io.cdb_bytes[7], 2215 csio->cdb_io.cdb_bytes[8], 2216 csio->cdb_io.cdb_bytes[9], 2217 ccb->ccb_h.flags & CAM_DIR_MASK, 2218 csio->cdb_len, csio->dxfer_len, 2219 csio->sense_len); 2220END_DEBUG 2221 if(sdev == NULL){ 2222 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 2223 xpt_done(ccb); 2224 return; 2225 } 2226#if 0 2227 /* if we are in probe stage, pass only probe commands */ 2228 if (sdev->status == SBP_DEV_PROBE) { 2229 char *name; 2230 name = xpt_path_periph(ccb->ccb_h.path)->periph_name; 2231 printf("probe stage, periph name: %s\n", name); 2232 if (strcmp(name, "probe") != 0) { 2233 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2234 xpt_done(ccb); 2235 return; 2236 } 2237 } 2238#endif 2239 if ((ocb = sbp_get_ocb(sdev)) == NULL) 2240 return; 2241 2242 ocb->flags = OCB_ACT_CMD; 2243 ocb->sdev = sdev; 2244 ocb->ccb = ccb; 2245 ccb->ccb_h.ccb_sdev_ptr = sdev; 2246 ocb->orb[0] = htonl(1 << 31); 2247 ocb->orb[1] = 0; 2248 ocb->orb[2] = htonl(((sbp->fd.fc->nodeid | FWLOCALBUS )<< 16) ); 2249 ocb->orb[3] = htonl(ocb->bus_addr + IND_PTR_OFFSET); 2250 speed = min(target->fwdev->speed, max_speed); 2251 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_CMD_SPD(speed) 2252 | ORB_CMD_MAXP(speed + 7)); 2253 if((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN){ 2254 ocb->orb[4] |= htonl(ORB_CMD_IN); 2255 } 2256 2257 if (csio->ccb_h.flags & CAM_SCATTER_VALID) 2258 printf("sbp: CAM_SCATTER_VALID\n"); 2259 if (csio->ccb_h.flags & CAM_DATA_PHYS) 2260 printf("sbp: CAM_DATA_PHYS\n"); 2261 2262 if (csio->ccb_h.flags & CAM_CDB_POINTER) 2263 cdb = (void *)csio->cdb_io.cdb_ptr; 2264 else 2265 cdb = (void *)&csio->cdb_io.cdb_bytes; 2266 bcopy(cdb, 2267 (void *)(uintptr_t)(volatile void *)&ocb->orb[5], 2268 csio->cdb_len); 2269/* 2270printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[0]), ntohl(ocb->orb[1]), ntohl(ocb->orb[2]), ntohl(ocb->orb[3])); 2271printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[4]), ntohl(ocb->orb[5]), ntohl(ocb->orb[6]), ntohl(ocb->orb[7])); 2272*/ 2273 if (ccb->csio.dxfer_len > 0) { 2274 int s, error; 2275 2276 s = splsoftvm(); 2277 error = bus_dmamap_load(/*dma tag*/sbp->dmat, 2278 /*dma map*/ocb->dmamap, 2279 ccb->csio.data_ptr, 2280 ccb->csio.dxfer_len, 2281 sbp_execute_ocb, 2282 ocb, 2283 /*flags*/0); 2284 splx(s); 2285 if (error) 2286 printf("sbp: bus_dmamap_load error %d\n", error); 2287 } else 2288 sbp_execute_ocb(ocb, NULL, 0, 0); 2289 break; 2290 } 2291 case XPT_CALC_GEOMETRY: 2292 { 2293 struct ccb_calc_geometry *ccg; 2294 2295 ccg = &ccb->ccg; 2296 if (ccg->block_size == 0) { 2297 printf("sbp_action1: block_size is 0.\n"); 2298 ccb->ccb_h.status = CAM_REQ_INVALID; 2299 xpt_done(ccb); 2300 break; 2301 } 2302SBP_DEBUG(1) 2303 printf("%s:%d:%d:%d:XPT_CALC_GEOMETRY: " 2304#if __FreeBSD_version >= 500000 2305 "Volume size = %jd\n", 2306#else 2307 "Volume size = %d\n", 2308#endif 2309 device_get_nameunit(sbp->fd.dev), 2310 cam_sim_path(sbp->sim), 2311 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 2312#if __FreeBSD_version >= 500000 2313 (uintmax_t) 2314#endif 2315 ccg->volume_size); 2316END_DEBUG 2317 2318 cam_calc_geometry(ccg, /*extended*/1); 2319 xpt_done(ccb); 2320 break; 2321 } 2322 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 2323 { 2324 2325SBP_DEBUG(1) 2326 printf("%s:%d:XPT_RESET_BUS: \n", 2327 device_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim)); 2328END_DEBUG 2329 2330 ccb->ccb_h.status = CAM_REQ_INVALID; 2331 xpt_done(ccb); 2332 break; 2333 } 2334 case XPT_PATH_INQ: /* Path routing inquiry */ 2335 { 2336 struct ccb_pathinq *cpi = &ccb->cpi; 2337 2338SBP_DEBUG(1) 2339 printf("%s:%d:%d XPT_PATH_INQ:.\n", 2340 device_get_nameunit(sbp->fd.dev), 2341 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2342END_DEBUG 2343 cpi->version_num = 1; /* XXX??? */ 2344 cpi->hba_inquiry = PI_TAG_ABLE; 2345 cpi->target_sprt = 0; 2346 cpi->hba_misc = PIM_NOBUSRESET; 2347 cpi->hba_eng_cnt = 0; 2348 cpi->max_target = SBP_NUM_TARGETS - 1; 2349 cpi->max_lun = SBP_NUM_LUNS - 1; 2350 cpi->initiator_id = SBP_INITIATOR; 2351 cpi->bus_id = sim->bus_id; 2352 cpi->base_transfer_speed = 400 * 1000 / 8; 2353 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 2354 strncpy(cpi->hba_vid, "SBP", HBA_IDLEN); 2355 strncpy(cpi->dev_name, sim->sim_name, DEV_IDLEN); 2356 cpi->unit_number = sim->unit_number; 2357 2358 cpi->ccb_h.status = CAM_REQ_CMP; 2359 xpt_done(ccb); 2360 break; 2361 } 2362 case XPT_GET_TRAN_SETTINGS: 2363 { 2364 struct ccb_trans_settings *cts = &ccb->cts; 2365SBP_DEBUG(1) 2366 printf("%s:%d:%d XPT_GET_TRAN_SETTINGS:.\n", 2367 device_get_nameunit(sbp->fd.dev), 2368 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 2369END_DEBUG 2370 /* Enable disconnect and tagged queuing */ 2371 cts->valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID; 2372 cts->flags = CCB_TRANS_DISC_ENB | CCB_TRANS_TAG_ENB; 2373 2374 cts->ccb_h.status = CAM_REQ_CMP; 2375 xpt_done(ccb); 2376 break; 2377 } 2378 case XPT_ABORT: 2379 ccb->ccb_h.status = CAM_UA_ABORT; 2380 xpt_done(ccb); 2381 break; 2382 case XPT_SET_TRAN_SETTINGS: 2383 /* XXX */ 2384 default: 2385 ccb->ccb_h.status = CAM_REQ_INVALID; 2386 xpt_done(ccb); 2387 break; 2388 } 2389 return; 2390} 2391 2392static void 2393sbp_action(struct cam_sim *sim, union ccb *ccb) 2394{ 2395 int s; 2396 2397 s = splfw(); 2398 sbp_action1(sim, ccb); 2399 splx(s); 2400} 2401 2402static void 2403sbp_execute_ocb(void *arg, bus_dma_segment_t *segments, int seg, int error) 2404{ 2405 int i; 2406 struct sbp_ocb *ocb; 2407 struct sbp_ocb *prev; 2408 bus_dma_segment_t *s; 2409 2410 if (error) 2411 printf("sbp_execute_ocb: error=%d\n", error); 2412 2413 ocb = (struct sbp_ocb *)arg; 2414 2415SBP_DEBUG(1) 2416 printf("sbp_execute_ocb: seg %d", seg); 2417 for (i = 0; i < seg; i++) 2418#if __FreeBSD_version >= 500000 2419 printf(", %jx:%jd", (uintmax_t)segments[i].ds_addr, 2420 (uintmax_t)segments[i].ds_len); 2421#else 2422 printf(", %x:%d", segments[i].ds_addr, segments[i].ds_len); 2423#endif 2424 printf("\n"); 2425END_DEBUG 2426 2427 if (seg == 1) { 2428 /* direct pointer */ 2429 s = &segments[0]; 2430 if (s->ds_len > SBP_SEG_MAX) 2431 panic("ds_len > SBP_SEG_MAX, fix busdma code"); 2432 ocb->orb[3] = htonl(s->ds_addr); 2433 ocb->orb[4] |= htonl(s->ds_len); 2434 } else if(seg > 1) { 2435 /* page table */ 2436 for (i = 0; i < seg; i++) { 2437 s = &segments[i]; 2438SBP_DEBUG(0) 2439 /* XXX LSI Logic "< 16 byte" bug might be hit */ 2440 if (s->ds_len < 16) 2441 printf("sbp_execute_ocb: warning, " 2442#if __FreeBSD_version >= 500000 2443 "segment length(%zd) is less than 16." 2444#else 2445 "segment length(%d) is less than 16." 2446#endif 2447 "(seg=%d/%d)\n", s->ds_len, i+1, seg); 2448END_DEBUG 2449 if (s->ds_len > SBP_SEG_MAX) 2450 panic("ds_len > SBP_SEG_MAX, fix busdma code"); 2451 ocb->ind_ptr[i].hi = htonl(s->ds_len << 16); 2452 ocb->ind_ptr[i].lo = htonl(s->ds_addr); 2453 } 2454 ocb->orb[4] |= htonl(ORB_CMD_PTBL | seg); 2455 } 2456 2457 if (seg > 0) 2458 bus_dmamap_sync(ocb->sdev->target->sbp->dmat, ocb->dmamap, 2459 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2460 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE); 2461 prev = sbp_enqueue_ocb(ocb->sdev, ocb); 2462 fwdma_sync(&ocb->sdev->dma, BUS_DMASYNC_PREWRITE); 2463 if (prev == NULL) 2464 sbp_orb_pointer(ocb->sdev, ocb); 2465} 2466 2467static void 2468sbp_poll(struct cam_sim *sim) 2469{ 2470 /* should call fwohci_intr? */ 2471 return; 2472} 2473static struct sbp_ocb * 2474sbp_dequeue_ocb(struct sbp_dev *sdev, struct sbp_status *sbp_status) 2475{ 2476 struct sbp_ocb *ocb; 2477 struct sbp_ocb *next; 2478 int s = splfw(), order = 0; 2479 int flags; 2480 2481 for (ocb = STAILQ_FIRST(&sdev->ocbs); ocb != NULL; ocb = next) { 2482 next = STAILQ_NEXT(ocb, ocb); 2483 flags = ocb->flags; 2484SBP_DEBUG(1) 2485 sbp_show_sdev_info(sdev, 2); 2486#if __FreeBSD_version >= 500000 2487 printf("orb: 0x%jx next: 0x%x, flags %x\n", 2488 (uintmax_t)ocb->bus_addr, 2489#else 2490 printf("orb: 0x%x next: 0x%lx, flags %x\n", 2491 ocb->bus_addr, 2492#endif 2493 ntohl(ocb->orb[1]), flags); 2494END_DEBUG 2495 if (OCB_MATCH(ocb, sbp_status)) { 2496 /* found */ 2497 STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb); 2498 if (ocb->ccb != NULL) 2499 untimeout(sbp_timeout, (caddr_t)ocb, 2500 ocb->ccb->ccb_h.timeout_ch); 2501 if (ntohl(ocb->orb[4]) & 0xffff) { 2502 bus_dmamap_sync(sdev->target->sbp->dmat, 2503 ocb->dmamap, 2504 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2505 BUS_DMASYNC_POSTREAD : 2506 BUS_DMASYNC_POSTWRITE); 2507 bus_dmamap_unload(sdev->target->sbp->dmat, 2508 ocb->dmamap); 2509 } 2510 if (next != NULL && sbp_status->src == 1) 2511 sbp_orb_pointer(sdev, next); 2512 break; 2513 } else 2514 order ++; 2515 } 2516 splx(s); 2517SBP_DEBUG(0) 2518 if (ocb && order > 0) { 2519 sbp_show_sdev_info(sdev, 2); 2520 printf("unordered execution order:%d\n", order); 2521 } 2522END_DEBUG 2523 return (ocb); 2524} 2525 2526static struct sbp_ocb * 2527sbp_enqueue_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 2528{ 2529 int s = splfw(); 2530 struct sbp_ocb *prev; 2531 2532SBP_DEBUG(2) 2533 sbp_show_sdev_info(sdev, 2); 2534#if __FreeBSD_version >= 500000 2535 printf("sbp_enqueue_ocb orb=0x%jx in physical memory\n", 2536 (uintmax_t)ocb->bus_addr); 2537#else 2538 printf("sbp_enqueue_ocb orb=0x%x in physical memory\n", ocb->bus_addr); 2539#endif 2540END_DEBUG 2541 prev = STAILQ_LAST(&sdev->ocbs, sbp_ocb, ocb); 2542 STAILQ_INSERT_TAIL(&sdev->ocbs, ocb, ocb); 2543 2544 if (ocb->ccb != NULL) 2545 ocb->ccb->ccb_h.timeout_ch = timeout(sbp_timeout, (caddr_t)ocb, 2546 (ocb->ccb->ccb_h.timeout * hz) / 1000); 2547 2548 if (prev != NULL ) { 2549SBP_DEBUG(1) 2550#if __FreeBSD_version >= 500000 2551 printf("linking chain 0x%jx -> 0x%jx\n", 2552 (uintmax_t)prev->bus_addr, (uintmax_t)ocb->bus_addr); 2553#else 2554 printf("linking chain 0x%x -> 0x%x\n", prev->bus_addr, ocb->bus_addr); 2555#endif 2556END_DEBUG 2557 prev->orb[1] = htonl(ocb->bus_addr); 2558 prev->orb[0] = 0; 2559 } 2560 splx(s); 2561 2562 return prev; 2563} 2564 2565static struct sbp_ocb * 2566sbp_get_ocb(struct sbp_dev *sdev) 2567{ 2568 struct sbp_ocb *ocb; 2569 int s = splfw(); 2570 ocb = STAILQ_FIRST(&sdev->free_ocbs); 2571 if (ocb == NULL) { 2572 printf("ocb shortage!!!\n"); 2573 return NULL; 2574 } 2575 STAILQ_REMOVE_HEAD(&sdev->free_ocbs, ocb); 2576 splx(s); 2577 ocb->ccb = NULL; 2578 return (ocb); 2579} 2580 2581static void 2582sbp_free_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 2583{ 2584 ocb->flags = 0; 2585 ocb->ccb = NULL; 2586 STAILQ_INSERT_TAIL(&sdev->free_ocbs, ocb, ocb); 2587} 2588 2589static void 2590sbp_abort_ocb(struct sbp_ocb *ocb, int status) 2591{ 2592 struct sbp_dev *sdev; 2593 2594 sdev = ocb->sdev; 2595SBP_DEBUG(0) 2596 sbp_show_sdev_info(sdev, 2); 2597#if __FreeBSD_version >= 500000 2598 printf("sbp_abort_ocb 0x%jx\n", (uintmax_t)ocb->bus_addr); 2599#else 2600 printf("sbp_abort_ocb 0x%x\n", ocb->bus_addr); 2601#endif 2602END_DEBUG 2603SBP_DEBUG(1) 2604 if (ocb->ccb != NULL) 2605 sbp_print_scsi_cmd(ocb); 2606END_DEBUG 2607 if (ntohl(ocb->orb[4]) & 0xffff) { 2608 bus_dmamap_sync(sdev->target->sbp->dmat, ocb->dmamap, 2609 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2610 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 2611 bus_dmamap_unload(sdev->target->sbp->dmat, ocb->dmamap); 2612 } 2613 if (ocb->ccb != NULL) { 2614 untimeout(sbp_timeout, (caddr_t)ocb, 2615 ocb->ccb->ccb_h.timeout_ch); 2616 ocb->ccb->ccb_h.status = status; 2617 xpt_done(ocb->ccb); 2618 } 2619 sbp_free_ocb(sdev, ocb); 2620} 2621 2622static void 2623sbp_abort_all_ocbs(struct sbp_dev *sdev, int status) 2624{ 2625 int s; 2626 struct sbp_ocb *ocb, *next; 2627 STAILQ_HEAD(, sbp_ocb) temp; 2628 2629 s = splfw(); 2630 2631 bcopy(&sdev->ocbs, &temp, sizeof(temp)); 2632 STAILQ_INIT(&sdev->ocbs); 2633 for (ocb = STAILQ_FIRST(&temp); ocb != NULL; ocb = next) { 2634 next = STAILQ_NEXT(ocb, ocb); 2635 sbp_abort_ocb(ocb, status); 2636 } 2637 2638 splx(s); 2639} 2640 2641static devclass_t sbp_devclass; 2642 2643static device_method_t sbp_methods[] = { 2644 /* device interface */ 2645 DEVMETHOD(device_identify, sbp_identify), 2646 DEVMETHOD(device_probe, sbp_probe), 2647 DEVMETHOD(device_attach, sbp_attach), 2648 DEVMETHOD(device_detach, sbp_detach), 2649 DEVMETHOD(device_shutdown, sbp_shutdown), 2650 2651 { 0, 0 } 2652}; 2653 2654static driver_t sbp_driver = { 2655 "sbp", 2656 sbp_methods, 2657 sizeof(struct sbp_softc), 2658}; 2659DRIVER_MODULE(sbp, firewire, sbp_driver, sbp_devclass, 0, 0); 2660MODULE_VERSION(sbp, 1); 2661MODULE_DEPEND(sbp, firewire, 1, 1, 1); 2662MODULE_DEPEND(sbp, cam, 1, 1, 1); 2663