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sys/dev/hptrr/hptrr_osm_bsd.c
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1 /* 2 * Copyright (c) HighPoint Technologies, Inc. 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 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 __FBSDID("$FreeBSD$"); 29 30 #include <dev/hptrr/hptrr_config.h> 31 /* $Id: osm_bsd.c,v 1.27 2007/11/22 07:35:49 gmm Exp $ 32 * 33 * HighPoint RAID Driver for FreeBSD 34 * Copyright (C) 2005 HighPoint Technologies, Inc. All Rights Reserved. 35 */ 36 #include <dev/hptrr/os_bsd.h> 37 #include <dev/hptrr/hptintf.h> 38 39 static int attach_generic = 0; 40 TUNABLE_INT("hw.hptrr.attach_generic", &attach_generic); 41 42 static int hpt_probe(device_t dev) 43 { 44 PCI_ID pci_id; 45 HIM *him; 46 int i; 47 PHBA hba; 48 49 /* Some of supported chips are used not only by HPT. */ 50 if (pci_get_vendor(dev) != 0x1103 && !attach_generic) 51 return (ENXIO); 52 for (him = him_list; him; him = him->next) { 53 for (i=0; him->get_supported_device_id(i, &pci_id); i++) { 54 if ((pci_get_vendor(dev) == pci_id.vid) && 55 (pci_get_device(dev) == pci_id.did)){ 56 KdPrint(("hpt_probe: adapter at PCI %d:%d:%d, IRQ %d", 57 pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev), pci_get_irq(dev) 58 )); 59 device_set_desc(dev, him->name); 60 hba = (PHBA)device_get_softc(dev); 61 memset(hba, 0, sizeof(HBA)); 62 hba->ext_type = EXT_TYPE_HBA; 63 hba->ldm_adapter.him = him; 64 return (BUS_PROBE_DEFAULT); 65 } 66 } 67 } 68 69 return (ENXIO); 70 } 71 72 static int hpt_attach(device_t dev) 73 { 74 PHBA hba = (PHBA)device_get_softc(dev); 75 HIM *him = hba->ldm_adapter.him; 76 PCI_ID pci_id; 77 HPT_UINT size; 78 PVBUS vbus; 79 PVBUS_EXT vbus_ext; 80 81 KdPrint(("hpt_attach(%d/%d/%d)", pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev))); 82 83 #if __FreeBSD_version >=440000 84 pci_enable_busmaster(dev); 85 #endif 86 87 pci_id.vid = pci_get_vendor(dev); 88 pci_id.did = pci_get_device(dev); 89 pci_id.rev = pci_get_revid(dev); 90 91 size = him->get_adapter_size(&pci_id); 92 hba->ldm_adapter.him_handle = malloc(size, M_DEVBUF, M_WAITOK); 93 if (!hba->ldm_adapter.him_handle) 94 return ENXIO; 95 96 hba->pcidev = dev; 97 hba->pciaddr.tree = 0; 98 hba->pciaddr.bus = pci_get_bus(dev); 99 hba->pciaddr.device = pci_get_slot(dev); 100 hba->pciaddr.function = pci_get_function(dev); 101 102 if (!him->create_adapter(&pci_id, hba->pciaddr, hba->ldm_adapter.him_handle, hba)) { 103 free(hba->ldm_adapter.him_handle, M_DEVBUF); 104 return -1; 105 } 106 107 os_printk("adapter at PCI %d:%d:%d, IRQ %d", 108 hba->pciaddr.bus, hba->pciaddr.device, hba->pciaddr.function, pci_get_irq(dev)); 109 110 if (!ldm_register_adapter(&hba->ldm_adapter)) { 111 size = ldm_get_vbus_size(); 112 vbus_ext = malloc(sizeof(VBUS_EXT) + size, M_DEVBUF, M_WAITOK); 113 if (!vbus_ext) { 114 free(hba->ldm_adapter.him_handle, M_DEVBUF); 115 return -1; 116 } 117 memset(vbus_ext, 0, sizeof(VBUS_EXT)); 118 vbus_ext->ext_type = EXT_TYPE_VBUS; 119 ldm_create_vbus((PVBUS)vbus_ext->vbus, vbus_ext); 120 ldm_register_adapter(&hba->ldm_adapter); 121 } 122 123 ldm_for_each_vbus(vbus, vbus_ext) { 124 if (hba->ldm_adapter.vbus==vbus) { 125 hba->vbus_ext = vbus_ext; 126 hba->next = vbus_ext->hba_list; 127 vbus_ext->hba_list = hba; 128 break; 129 } 130 } 131 return 0; 132 } 133 134 /* 135 * Maybe we'd better to use the bus_dmamem_alloc to alloc DMA memory, 136 * but there are some problems currently (alignment, etc). 137 */ 138 static __inline void *__get_free_pages(int order) 139 { 140 /* don't use low memory - other devices may get starved */ 141 return contigmalloc(PAGE_SIZE<<order, 142 M_DEVBUF, M_WAITOK, BUS_SPACE_MAXADDR_24BIT, BUS_SPACE_MAXADDR, PAGE_SIZE, 0); 143 } 144 145 static __inline void free_pages(void *p, int order) 146 { 147 contigfree(p, PAGE_SIZE<<order, M_DEVBUF); 148 } 149 150 static int hpt_alloc_mem(PVBUS_EXT vbus_ext) 151 { 152 PHBA hba; 153 struct freelist *f; 154 HPT_UINT i; 155 void **p; 156 157 for (hba = vbus_ext->hba_list; hba; hba = hba->next) 158 hba->ldm_adapter.him->get_meminfo(hba->ldm_adapter.him_handle); 159 160 ldm_get_mem_info((PVBUS)vbus_ext->vbus, 0); 161 162 for (f=vbus_ext->freelist_head; f; f=f->next) { 163 KdPrint(("%s: %d*%d=%d bytes", 164 f->tag, f->count, f->size, f->count*f->size)); 165 for (i=0; i<f->count; i++) { 166 p = (void **)malloc(f->size, M_DEVBUF, M_WAITOK); 167 if (!p) return (ENXIO); 168 *p = f->head; 169 f->head = p; 170 } 171 } 172 173 for (f=vbus_ext->freelist_dma_head; f; f=f->next) { 174 int order, size, j; 175 176 HPT_ASSERT((f->size & (f->alignment-1))==0); 177 178 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) ; 179 180 KdPrint(("%s: %d*%d=%d bytes, order %d", 181 f->tag, f->count, f->size, f->count*f->size, order)); 182 HPT_ASSERT(f->alignment<=PAGE_SIZE); 183 184 for (i=0; i<f->count;) { 185 p = (void **)__get_free_pages(order); 186 if (!p) return -1; 187 for (j = size/f->size; j && i<f->count; i++,j--) { 188 *p = f->head; 189 *(BUS_ADDRESS *)(p+1) = (BUS_ADDRESS)vtophys(p); 190 f->head = p; 191 p = (void **)((unsigned long)p + f->size); 192 } 193 } 194 } 195 196 HPT_ASSERT(PAGE_SIZE==DMAPOOL_PAGE_SIZE); 197 198 for (i=0; i<os_max_cache_pages; i++) { 199 p = (void **)__get_free_pages(0); 200 if (!p) return -1; 201 HPT_ASSERT(((HPT_UPTR)p & (DMAPOOL_PAGE_SIZE-1))==0); 202 dmapool_put_page((PVBUS)vbus_ext->vbus, p, (BUS_ADDRESS)vtophys(p)); 203 } 204 205 return 0; 206 } 207 208 static void hpt_free_mem(PVBUS_EXT vbus_ext) 209 { 210 struct freelist *f; 211 void *p; 212 int i; 213 BUS_ADDRESS bus; 214 215 for (f=vbus_ext->freelist_head; f; f=f->next) { 216 #if DBG 217 if (f->count!=f->reserved_count) { 218 KdPrint(("memory leak for freelist %s (%d/%d)", f->tag, f->count, f->reserved_count)); 219 } 220 #endif 221 while ((p=freelist_get(f))) 222 free(p, M_DEVBUF); 223 } 224 225 for (i=0; i<os_max_cache_pages; i++) { 226 p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus); 227 HPT_ASSERT(p); 228 free_pages(p, 0); 229 } 230 231 for (f=vbus_ext->freelist_dma_head; f; f=f->next) { 232 int order, size; 233 #if DBG 234 if (f->count!=f->reserved_count) { 235 KdPrint(("memory leak for dma freelist %s (%d/%d)", f->tag, f->count, f->reserved_count)); 236 } 237 #endif 238 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) ; 239 240 while ((p=freelist_get_dma(f, &bus))) { 241 if (order) 242 free_pages(p, order); 243 else { 244 /* can't free immediately since other blocks in this page may still be in the list */ 245 if (((HPT_UPTR)p & (PAGE_SIZE-1))==0) 246 dmapool_put_page((PVBUS)vbus_ext->vbus, p, bus); 247 } 248 } 249 } 250 251 while ((p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus))) 252 free_pages(p, 0); 253 } 254 255 static int hpt_init_vbus(PVBUS_EXT vbus_ext) 256 { 257 PHBA hba; 258 259 for (hba = vbus_ext->hba_list; hba; hba = hba->next) 260 if (!hba->ldm_adapter.him->initialize(hba->ldm_adapter.him_handle)) { 261 KdPrint(("fail to initialize %p", hba)); 262 return -1; 263 } 264 265 ldm_initialize_vbus((PVBUS)vbus_ext->vbus, &vbus_ext->hba_list->ldm_adapter); 266 return 0; 267 } 268 269 static void hpt_flush_done(PCOMMAND pCmd) 270 { 271 PVDEV vd = pCmd->target; 272 273 if (mIsArray(vd->type) && vd->u.array.transform && vd!=vd->u.array.transform->target) { 274 vd = vd->u.array.transform->target; 275 HPT_ASSERT(vd); 276 pCmd->target = vd; 277 pCmd->Result = RETURN_PENDING; 278 vdev_queue_cmd(pCmd); 279 return; 280 } 281 282 *(int *)pCmd->priv = 1; 283 wakeup(pCmd); 284 } 285 286 /* 287 * flush a vdev (without retry). 288 */ 289 static int hpt_flush_vdev(PVBUS_EXT vbus_ext, PVDEV vd) 290 { 291 PCOMMAND pCmd; 292 int result = 0, done; 293 HPT_UINT count; 294 295 KdPrint(("flusing dev %p", vd)); 296 297 hpt_lock_vbus(vbus_ext); 298 299 if (mIsArray(vd->type) && vd->u.array.transform) 300 count = MAX(vd->u.array.transform->source->cmds_per_request, 301 vd->u.array.transform->target->cmds_per_request); 302 else 303 count = vd->cmds_per_request; 304 305 pCmd = ldm_alloc_cmds(vd->vbus, count); 306 307 if (!pCmd) { 308 hpt_unlock_vbus(vbus_ext); 309 return -1; 310 } 311 312 pCmd->type = CMD_TYPE_FLUSH; 313 pCmd->flags.hard_flush = 1; 314 pCmd->target = vd; 315 pCmd->done = hpt_flush_done; 316 done = 0; 317 pCmd->priv = &done; 318 319 ldm_queue_cmd(pCmd); 320 321 if (!done) { 322 while (hpt_sleep(vbus_ext, pCmd, PPAUSE, "hptfls", HPT_OSM_TIMEOUT)) { 323 ldm_reset_vbus(vd->vbus); 324 } 325 } 326 327 KdPrint(("flush result %d", pCmd->Result)); 328 329 if (pCmd->Result!=RETURN_SUCCESS) 330 result = -1; 331 332 ldm_free_cmds(pCmd); 333 334 hpt_unlock_vbus(vbus_ext); 335 336 return result; 337 } 338 339 static void hpt_stop_tasks(PVBUS_EXT vbus_ext); 340 static void hpt_shutdown_vbus(PVBUS_EXT vbus_ext, int howto) 341 { 342 PVBUS vbus = (PVBUS)vbus_ext->vbus; 343 PHBA hba; 344 int i; 345 346 KdPrint(("hpt_shutdown_vbus")); 347 348 /* stop all ctl tasks and disable the worker taskqueue */ 349 hpt_stop_tasks(vbus_ext); 350 vbus_ext->worker.ta_context = 0; 351 352 /* flush devices */ 353 for (i=0; i<osm_max_targets; i++) { 354 PVDEV vd = ldm_find_target(vbus, i); 355 if (vd) { 356 /* retry once */ 357 if (hpt_flush_vdev(vbus_ext, vd)) 358 hpt_flush_vdev(vbus_ext, vd); 359 } 360 } 361 362 hpt_lock_vbus(vbus_ext); 363 ldm_shutdown(vbus); 364 hpt_unlock_vbus(vbus_ext); 365 366 ldm_release_vbus(vbus); 367 368 for (hba=vbus_ext->hba_list; hba; hba=hba->next) 369 bus_teardown_intr(hba->pcidev, hba->irq_res, hba->irq_handle); 370 371 hpt_free_mem(vbus_ext); 372 373 while ((hba=vbus_ext->hba_list)) { 374 vbus_ext->hba_list = hba->next; 375 free(hba->ldm_adapter.him_handle, M_DEVBUF); 376 } 377 378 free(vbus_ext, M_DEVBUF); 379 KdPrint(("hpt_shutdown_vbus done")); 380 } 381 382 static void __hpt_do_tasks(PVBUS_EXT vbus_ext) 383 { 384 OSM_TASK *tasks; 385 386 tasks = vbus_ext->tasks; 387 vbus_ext->tasks = 0; 388 389 while (tasks) { 390 OSM_TASK *t = tasks; 391 tasks = t->next; 392 t->next = 0; 393 t->func(vbus_ext->vbus, t->data); 394 } 395 } 396 397 static void hpt_do_tasks(PVBUS_EXT vbus_ext, int pending) 398 { 399 if(vbus_ext){ 400 hpt_lock_vbus(vbus_ext); 401 __hpt_do_tasks(vbus_ext); 402 hpt_unlock_vbus(vbus_ext); 403 } 404 } 405 406 static void hpt_action(struct cam_sim *sim, union ccb *ccb); 407 static void hpt_poll(struct cam_sim *sim); 408 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg); 409 static void hpt_pci_intr(void *arg); 410 411 static __inline POS_CMDEXT cmdext_get(PVBUS_EXT vbus_ext) 412 { 413 POS_CMDEXT p = vbus_ext->cmdext_list; 414 if (p) 415 vbus_ext->cmdext_list = p->next; 416 return p; 417 } 418 419 static __inline void cmdext_put(POS_CMDEXT p) 420 { 421 p->next = p->vbus_ext->cmdext_list; 422 p->vbus_ext->cmdext_list = p; 423 } 424 425 static void hpt_timeout(void *arg) 426 { 427 PCOMMAND pCmd = (PCOMMAND)arg; 428 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv; 429 430 KdPrint(("pCmd %p timeout", pCmd)); 431 432 ldm_reset_vbus((PVBUS)ext->vbus_ext->vbus); 433 } 434 435 static void os_cmddone(PCOMMAND pCmd) 436 { 437 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv; 438 union ccb *ccb = ext->ccb; 439 440 KdPrint(("os_cmddone(%p, %d)", pCmd, pCmd->Result)); 441 442 untimeout(hpt_timeout, pCmd, ccb->ccb_h.timeout_ch); 443 444 switch(pCmd->Result) { 445 case RETURN_SUCCESS: 446 ccb->ccb_h.status = CAM_REQ_CMP; 447 break; 448 case RETURN_BAD_DEVICE: 449 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 450 break; 451 case RETURN_DEVICE_BUSY: 452 ccb->ccb_h.status = CAM_BUSY; 453 break; 454 case RETURN_INVALID_REQUEST: 455 ccb->ccb_h.status = CAM_REQ_INVALID; 456 break; 457 case RETURN_SELECTION_TIMEOUT: 458 ccb->ccb_h.status = CAM_SEL_TIMEOUT; 459 break; 460 case RETURN_RETRY: 461 ccb->ccb_h.status = CAM_BUSY; 462 break; 463 default: 464 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR; 465 break; 466 } 467 468 if (pCmd->flags.data_in) { 469 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTREAD); 470 } 471 else if (pCmd->flags.data_out) { 472 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTWRITE); 473 } 474 475 bus_dmamap_unload(ext->vbus_ext->io_dmat, ext->dma_map); 476 477 cmdext_put(ext); 478 ldm_free_cmds(pCmd); 479 xpt_done(ccb); 480 } 481 482 static int os_buildsgl(PCOMMAND pCmd, PSG pSg, int logical) 483 { 484 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv; 485 union ccb *ccb = ext->ccb; 486 487 if (logical) { 488 os_set_sgptr(pSg, (HPT_U8 *)ccb->csio.data_ptr); 489 pSg->size = ccb->csio.dxfer_len; 490 pSg->eot = 1; 491 return TRUE; 492 } 493 494 /* since we have provided physical sg, nobody will ask us to build physical sg */ 495 HPT_ASSERT(0); 496 return FALSE; 497 } 498 499 static void hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 500 { 501 PCOMMAND pCmd = (PCOMMAND)arg; 502 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv; 503 PSG psg = pCmd->psg; 504 int idx; 505 506 HPT_ASSERT(pCmd->flags.physical_sg); 507 508 if (error) 509 panic("busdma error"); 510 511 HPT_ASSERT(nsegs<=os_max_sg_descriptors); 512 513 if (nsegs != 0) { 514 for (idx = 0; idx < nsegs; idx++, psg++) { 515 psg->addr.bus = segs[idx].ds_addr; 516 psg->size = segs[idx].ds_len; 517 psg->eot = 0; 518 } 519 psg[-1].eot = 1; 520 521 if (pCmd->flags.data_in) { 522 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, 523 BUS_DMASYNC_PREREAD); 524 } 525 else if (pCmd->flags.data_out) { 526 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, 527 BUS_DMASYNC_PREWRITE); 528 } 529 } 530 ext->ccb->ccb_h.timeout_ch = timeout(hpt_timeout, pCmd, HPT_OSM_TIMEOUT); 531 ldm_queue_cmd(pCmd); 532 } 533 534 static void hpt_scsi_io(PVBUS_EXT vbus_ext, union ccb *ccb) 535 { 536 PVBUS vbus = (PVBUS)vbus_ext->vbus; 537 PVDEV vd; 538 PCOMMAND pCmd; 539 POS_CMDEXT ext; 540 HPT_U8 *cdb; 541 542 if (ccb->ccb_h.flags & CAM_CDB_POINTER) 543 cdb = ccb->csio.cdb_io.cdb_ptr; 544 else 545 cdb = ccb->csio.cdb_io.cdb_bytes; 546 547 KdPrint(("hpt_scsi_io: ccb %x id %d lun %d cdb %x-%x-%x", 548 ccb, 549 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 550 *(HPT_U32 *)&cdb[0], *(HPT_U32 *)&cdb[4], *(HPT_U32 *)&cdb[8] 551 )); 552 553 /* ccb->ccb_h.path_id is not our bus id - don't check it */ 554 if (ccb->ccb_h.target_lun != 0 || 555 ccb->ccb_h.target_id >= osm_max_targets || 556 (ccb->ccb_h.flags & CAM_CDB_PHYS)) 557 { 558 ccb->ccb_h.status = CAM_TID_INVALID; 559 xpt_done(ccb); 560 return; 561 } 562 563 vd = ldm_find_target(vbus, ccb->ccb_h.target_id); 564 565 if (!vd) { 566 ccb->ccb_h.status = CAM_SEL_TIMEOUT; 567 xpt_done(ccb); 568 return; 569 } 570 571 switch (cdb[0]) { 572 case TEST_UNIT_READY: 573 case START_STOP_UNIT: 574 case SYNCHRONIZE_CACHE: 575 ccb->ccb_h.status = CAM_REQ_CMP; 576 break; 577 578 case INQUIRY: 579 { 580 PINQUIRYDATA inquiryData; 581 memset(ccb->csio.data_ptr, 0, ccb->csio.dxfer_len); 582 inquiryData = (PINQUIRYDATA)ccb->csio.data_ptr; 583 584 inquiryData->AdditionalLength = 31; 585 inquiryData->CommandQueue = 1; 586 memcpy(&inquiryData->VendorId, "HPT ", 8); 587 memcpy(&inquiryData->ProductId, "DISK 0_0 ", 16); 588 589 if (vd->target_id / 10) { 590 inquiryData->ProductId[7] = (vd->target_id % 100) / 10 + ''; 591 inquiryData->ProductId[8] = (vd->target_id % 100) % 10 + ''; 592 } 593 else 594 inquiryData->ProductId[7] = (vd->target_id % 100) % 10 + ''; 595 596 memcpy(&inquiryData->ProductRevisionLevel, "4.00", 4); 597 598 ccb->ccb_h.status = CAM_REQ_CMP; 599 } 600 break; 601 602 case READ_CAPACITY: 603 { 604 HPT_U8 *rbuf = ccb->csio.data_ptr; 605 HPT_U32 cap; 606 607 if (vd->capacity>0xfffffffful) 608 cap = 0xfffffffful; 609 else 610 cap = vd->capacity - 1; 611 612 rbuf[0] = (HPT_U8)(cap>>24); 613 rbuf[1] = (HPT_U8)(cap>>16); 614 rbuf[2] = (HPT_U8)(cap>>8); 615 rbuf[3] = (HPT_U8)cap; 616 rbuf[4] = 0; 617 rbuf[5] = 0; 618 rbuf[6] = 2; 619 rbuf[7] = 0; 620 621 ccb->ccb_h.status = CAM_REQ_CMP; 622 break; 623 } 624 625 case SERVICE_ACTION_IN: 626 { 627 HPT_U8 *rbuf = ccb->csio.data_ptr; 628 HPT_U64 cap = vd->capacity - 1; 629 630 rbuf[0] = (HPT_U8)(cap>>56); 631 rbuf[1] = (HPT_U8)(cap>>48); 632 rbuf[2] = (HPT_U8)(cap>>40); 633 rbuf[3] = (HPT_U8)(cap>>32); 634 rbuf[4] = (HPT_U8)(cap>>24); 635 rbuf[5] = (HPT_U8)(cap>>16); 636 rbuf[6] = (HPT_U8)(cap>>8); 637 rbuf[7] = (HPT_U8)cap; 638 rbuf[8] = 0; 639 rbuf[9] = 0; 640 rbuf[10] = 2; 641 rbuf[11] = 0; 642 643 ccb->ccb_h.status = CAM_REQ_CMP; 644 break; 645 } 646 647 case READ_6: 648 case READ_10: 649 case READ_16: 650 case WRITE_6: 651 case WRITE_10: 652 case WRITE_16: 653 case 0x13: 654 case 0x2f: 655 { 656 int error; 657 658 pCmd = ldm_alloc_cmds(vbus, vd->cmds_per_request); 659 if(!pCmd){ 660 KdPrint(("Failed to allocate command!")); 661 ccb->ccb_h.status = CAM_BUSY; 662 break; 663 } 664 665 switch (cdb[0]) { 666 case READ_6: 667 case WRITE_6: 668 case 0x13: 669 pCmd->uCmd.Ide.Lba = ((HPT_U32)cdb[1] << 16) | ((HPT_U32)cdb[2] << 8) | (HPT_U32)cdb[3]; 670 pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[4]; 671 break; 672 case READ_16: 673 case WRITE_16: 674 { 675 HPT_U64 block = 676 ((HPT_U64)cdb[2]<<56) | 677 ((HPT_U64)cdb[3]<<48) | 678 ((HPT_U64)cdb[4]<<40) | 679 ((HPT_U64)cdb[5]<<32) | 680 ((HPT_U64)cdb[6]<<24) | 681 ((HPT_U64)cdb[7]<<16) | 682 ((HPT_U64)cdb[8]<<8) | 683 ((HPT_U64)cdb[9]); 684 pCmd->uCmd.Ide.Lba = block; 685 pCmd->uCmd.Ide.nSectors = (HPT_U16)cdb[13] | ((HPT_U16)cdb[12]<<8); 686 break; 687 } 688 689 default: 690 pCmd->uCmd.Ide.Lba = (HPT_U32)cdb[5] | ((HPT_U32)cdb[4] << 8) | ((HPT_U32)cdb[3] << 16) | ((HPT_U32)cdb[2] << 24); 691 pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[8] | ((HPT_U16)cdb[7]<<8); 692 break; 693 } 694 695 switch (cdb[0]) { 696 case READ_6: 697 case READ_10: 698 case READ_16: 699 pCmd->flags.data_in = 1; 700 break; 701 case WRITE_6: 702 case WRITE_10: 703 case WRITE_16: 704 pCmd->flags.data_out = 1; 705 break; 706 } 707 pCmd->priv = ext = cmdext_get(vbus_ext); 708 HPT_ASSERT(ext); 709 ext->ccb = ccb; 710 pCmd->target = vd; 711 pCmd->done = os_cmddone; 712 pCmd->buildsgl = os_buildsgl; 713 pCmd->psg = ext->psg; 714 pCmd->flags.physical_sg = 1; 715 error = bus_dmamap_load_ccb(vbus_ext->io_dmat, 716 ext->dma_map, 717 ccb, 718 hpt_io_dmamap_callback, pCmd, 719 BUS_DMA_WAITOK 720 ); 721 KdPrint(("bus_dmamap_load return %d", error)); 722 if (error && error!=EINPROGRESS) { 723 os_printk("bus_dmamap_load error %d", error); 724 cmdext_put(ext); 725 ldm_free_cmds(pCmd); 726 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 727 xpt_done(ccb); 728 } 729 return; 730 } 731 732 default: 733 ccb->ccb_h.status = CAM_REQ_INVALID; 734 break; 735 } 736 737 xpt_done(ccb); 738 return; 739 } 740 741 static void hpt_action(struct cam_sim *sim, union ccb *ccb) 742 { 743 PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim); 744 745 KdPrint(("hpt_action(fn=%d, id=%d)", ccb->ccb_h.func_code, ccb->ccb_h.target_id)); 746 747 switch (ccb->ccb_h.func_code) { 748 749 case XPT_SCSI_IO: 750 hpt_lock_vbus(vbus_ext); 751 hpt_scsi_io(vbus_ext, ccb); 752 hpt_unlock_vbus(vbus_ext); 753 return; 754 755 case XPT_RESET_BUS: 756 hpt_lock_vbus(vbus_ext); 757 ldm_reset_vbus((PVBUS)vbus_ext->vbus); 758 hpt_unlock_vbus(vbus_ext); 759 break; 760 761 case XPT_GET_TRAN_SETTINGS: 762 case XPT_SET_TRAN_SETTINGS: 763 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 764 break; 765 766 case XPT_CALC_GEOMETRY: 767 #if __FreeBSD_version >= 500000 768 cam_calc_geometry(&ccb->ccg, 1); 769 #else 770 ccb->ccg.heads = 255; 771 ccb->ccg.secs_per_track = 63; 772 ccb->ccg.cylinders = ccb->ccg.volume_size / (ccb->ccg.heads * ccb->ccg.secs_per_track); 773 ccb->ccb_h.status = CAM_REQ_CMP; 774 #endif 775 break; 776 777 case XPT_PATH_INQ: 778 { 779 struct ccb_pathinq *cpi = &ccb->cpi; 780 781 cpi->version_num = 1; 782 cpi->hba_inquiry = PI_SDTR_ABLE; 783 cpi->target_sprt = 0; 784 cpi->hba_misc = PIM_NOBUSRESET; 785 cpi->hba_eng_cnt = 0; 786 cpi->max_target = osm_max_targets; 787 cpi->max_lun = 0; 788 cpi->unit_number = cam_sim_unit(sim); 789 cpi->bus_id = cam_sim_bus(sim); 790 cpi->initiator_id = osm_max_targets; 791 cpi->base_transfer_speed = 3300; 792 793 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 794 strncpy(cpi->hba_vid, "HPT ", HBA_IDLEN); 795 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 796 cpi->transport = XPORT_SPI; 797 cpi->transport_version = 2; 798 cpi->protocol = PROTO_SCSI; 799 cpi->protocol_version = SCSI_REV_2; 800 cpi->ccb_h.status = CAM_REQ_CMP; 801 break; 802 } 803 804 default: 805 ccb->ccb_h.status = CAM_REQ_INVALID; 806 break; 807 } 808 809 xpt_done(ccb); 810 return; 811 } 812 813 static void hpt_pci_intr(void *arg) 814 { 815 PVBUS_EXT vbus_ext = (PVBUS_EXT)arg; 816 hpt_lock_vbus(vbus_ext); 817 ldm_intr((PVBUS)vbus_ext->vbus); 818 hpt_unlock_vbus(vbus_ext); 819 } 820 821 static void hpt_poll(struct cam_sim *sim) 822 { 823 hpt_pci_intr(cam_sim_softc(sim)); 824 } 825 826 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg) 827 { 828 KdPrint(("hpt_async")); 829 } 830 831 static int hpt_shutdown(device_t dev) 832 { 833 KdPrint(("hpt_shutdown(dev=%p)", dev)); 834 return 0; 835 } 836 837 static int hpt_detach(device_t dev) 838 { 839 /* we don't allow the driver to be unloaded. */ 840 return EBUSY; 841 } 842 843 static void hpt_ioctl_done(struct _IOCTL_ARG *arg) 844 { 845 arg->ioctl_cmnd = 0; 846 wakeup(arg); 847 } 848 849 static void __hpt_do_ioctl(PVBUS_EXT vbus_ext, IOCTL_ARG *ioctl_args) 850 { 851 ioctl_args->result = -1; 852 ioctl_args->done = hpt_ioctl_done; 853 ioctl_args->ioctl_cmnd = (void *)1; 854 855 hpt_lock_vbus(vbus_ext); 856 ldm_ioctl((PVBUS)vbus_ext->vbus, ioctl_args); 857 858 while (ioctl_args->ioctl_cmnd) { 859 if (hpt_sleep(vbus_ext, ioctl_args, PPAUSE, "hptctl", HPT_OSM_TIMEOUT)==0) 860 break; 861 ldm_reset_vbus((PVBUS)vbus_ext->vbus); 862 __hpt_do_tasks(vbus_ext); 863 } 864 865 /* KdPrint(("ioctl %x result %d", ioctl_args->dwIoControlCode, ioctl_args->result)); */ 866 867 hpt_unlock_vbus(vbus_ext); 868 } 869 870 static void hpt_do_ioctl(IOCTL_ARG *ioctl_args) 871 { 872 PVBUS vbus; 873 PVBUS_EXT vbus_ext; 874 875 ldm_for_each_vbus(vbus, vbus_ext) { 876 __hpt_do_ioctl(vbus_ext, ioctl_args); 877 if (ioctl_args->result!=HPT_IOCTL_RESULT_WRONG_VBUS) 878 return; 879 } 880 } 881 882 #define HPT_DO_IOCTL(code, inbuf, insize, outbuf, outsize) ({\ 883 IOCTL_ARG arg;\ 884 arg.dwIoControlCode = code;\ 885 arg.lpInBuffer = inbuf;\ 886 arg.lpOutBuffer = outbuf;\ 887 arg.nInBufferSize = insize;\ 888 arg.nOutBufferSize = outsize;\ 889 arg.lpBytesReturned = 0;\ 890 hpt_do_ioctl(&arg);\ 891 arg.result;\ 892 }) 893 894 #define DEVICEID_VALID(id) ((id) && ((HPT_U32)(id)!=0xffffffff)) 895 896 static int hpt_get_logical_devices(DEVICEID * pIds, int nMaxCount) 897 { 898 int i; 899 HPT_U32 count = nMaxCount-1; 900 901 if (HPT_DO_IOCTL(HPT_IOCTL_GET_LOGICAL_DEVICES, 902 &count, sizeof(HPT_U32), pIds, sizeof(DEVICEID)*nMaxCount)) 903 return -1; 904 905 nMaxCount = (int)pIds[0]; 906 for (i=0; i<nMaxCount; i++) pIds[i] = pIds[i+1]; 907 return nMaxCount; 908 } 909 910 static int hpt_get_device_info_v3(DEVICEID id, PLOGICAL_DEVICE_INFO_V3 pInfo) 911 { 912 return HPT_DO_IOCTL(HPT_IOCTL_GET_DEVICE_INFO_V3, 913 &id, sizeof(DEVICEID), pInfo, sizeof(LOGICAL_DEVICE_INFO_V3)); 914 } 915 916 /* not belong to this file logically, but we want to use ioctl interface */ 917 static int __hpt_stop_tasks(PVBUS_EXT vbus_ext, DEVICEID id) 918 { 919 LOGICAL_DEVICE_INFO_V3 devinfo; 920 int i, result; 921 DEVICEID param[2] = { id, 0 }; 922 923 if (hpt_get_device_info_v3(id, &devinfo)) 924 return -1; 925 926 if (devinfo.Type!=LDT_ARRAY) 927 return -1; 928 929 if (devinfo.u.array.Flags & ARRAY_FLAG_REBUILDING) 930 param[1] = AS_REBUILD_ABORT; 931 else if (devinfo.u.array.Flags & ARRAY_FLAG_VERIFYING) 932 param[1] = AS_VERIFY_ABORT; 933 else if (devinfo.u.array.Flags & ARRAY_FLAG_INITIALIZING) 934 param[1] = AS_INITIALIZE_ABORT; 935 else if (devinfo.u.array.Flags & ARRAY_FLAG_TRANSFORMING) 936 param[1] = AS_TRANSFORM_ABORT; 937 else 938 return -1; 939 940 KdPrint(("SET_ARRAY_STATE(%x, %d)", param[0], param[1])); 941 result = HPT_DO_IOCTL(HPT_IOCTL_SET_ARRAY_STATE, 942 param, sizeof(param), 0, 0); 943 944 for (i=0; i<devinfo.u.array.nDisk; i++) 945 if (DEVICEID_VALID(devinfo.u.array.Members[i])) 946 __hpt_stop_tasks(vbus_ext, devinfo.u.array.Members[i]); 947 948 return result; 949 } 950 951 static void hpt_stop_tasks(PVBUS_EXT vbus_ext) 952 { 953 DEVICEID ids[32]; 954 int i, count; 955 956 count = hpt_get_logical_devices((DEVICEID *)&ids, sizeof(ids)/sizeof(ids[0])); 957 958 for (i=0; i<count; i++) 959 __hpt_stop_tasks(vbus_ext, ids[i]); 960 } 961 962 static d_open_t hpt_open; 963 static d_close_t hpt_close; 964 static d_ioctl_t hpt_ioctl; 965 static int hpt_rescan_bus(void); 966 967 static struct cdevsw hpt_cdevsw = { 968 .d_open = hpt_open, 969 .d_close = hpt_close, 970 .d_ioctl = hpt_ioctl, 971 .d_name = driver_name, 972 #if __FreeBSD_version>=503000 973 .d_version = D_VERSION, 974 #endif 975 #if (__FreeBSD_version>=503000 && __FreeBSD_version<600034) 976 .d_flags = D_NEEDGIANT, 977 #endif 978 #if __FreeBSD_version<600034 979 #if __FreeBSD_version>501000 980 .d_maj = MAJOR_AUTO, 981 #else 982 .d_maj = HPT_DEV_MAJOR, 983 #endif 984 #endif 985 }; 986 987 static struct intr_config_hook hpt_ich; 988 989 /* 990 * hpt_final_init will be called after all hpt_attach. 991 */ 992 static void hpt_final_init(void *dummy) 993 { 994 int i; 995 PVBUS_EXT vbus_ext; 996 PVBUS vbus; 997 PHBA hba; 998 999 /* Clear the config hook */ 1000 config_intrhook_disestablish(&hpt_ich); 1001 1002 /* allocate memory */ 1003 i = 0; 1004 ldm_for_each_vbus(vbus, vbus_ext) { 1005 if (hpt_alloc_mem(vbus_ext)) { 1006 os_printk("out of memory"); 1007 return; 1008 } 1009 i++; 1010 } 1011 1012 if (!i) { 1013 if (bootverbose) 1014 os_printk("no controller detected."); 1015 return; 1016 } 1017 1018 /* initializing hardware */ 1019 ldm_for_each_vbus(vbus, vbus_ext) { 1020 /* make timer available here */ 1021 callout_handle_init(&vbus_ext->timer); 1022 if (hpt_init_vbus(vbus_ext)) { 1023 os_printk("fail to initialize hardware"); 1024 break; /* FIXME */ 1025 } 1026 } 1027 1028 /* register CAM interface */ 1029 ldm_for_each_vbus(vbus, vbus_ext) { 1030 struct cam_devq *devq; 1031 struct ccb_setasync ccb; 1032 1033 #if (__FreeBSD_version >= 500000) 1034 mtx_init(&vbus_ext->lock, "hptsleeplock", NULL, MTX_DEF); 1035 #endif 1036 if (bus_dma_tag_create(NULL,/* parent */ 1037 4, /* alignment */ 1038 BUS_SPACE_MAXADDR_32BIT+1, /* boundary */ 1039 BUS_SPACE_MAXADDR, /* lowaddr */ 1040 BUS_SPACE_MAXADDR, /* highaddr */ 1041 NULL, NULL, /* filter, filterarg */ 1042 PAGE_SIZE * (os_max_sg_descriptors-1), /* maxsize */ 1043 os_max_sg_descriptors, /* nsegments */ 1044 0x10000, /* maxsegsize */ 1045 BUS_DMA_WAITOK, /* flags */ 1046 #if __FreeBSD_version>502000 1047 busdma_lock_mutex, /* lockfunc */ 1048 &vbus_ext->lock, /* lockfuncarg */ 1049 #endif 1050 &vbus_ext->io_dmat /* tag */)) 1051 { 1052 return ; 1053 } 1054 1055 for (i=0; i<os_max_queue_comm; i++) { 1056 POS_CMDEXT ext = (POS_CMDEXT)malloc(sizeof(OS_CMDEXT), M_DEVBUF, M_WAITOK); 1057 if (!ext) { 1058 os_printk("Can't alloc cmdext(%d)", i); 1059 return ; 1060 } 1061 ext->vbus_ext = vbus_ext; 1062 ext->next = vbus_ext->cmdext_list; 1063 vbus_ext->cmdext_list = ext; 1064 1065 if (bus_dmamap_create(vbus_ext->io_dmat, 0, &ext->dma_map)) { 1066 os_printk("Can't create dma map(%d)", i); 1067 return ; 1068 } 1069 } 1070 1071 if ((devq = cam_simq_alloc(os_max_queue_comm)) == NULL) { 1072 os_printk("cam_simq_alloc failed"); 1073 return ; 1074 } 1075 1076 #if __FreeBSD_version > 700025 1077 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name, 1078 vbus_ext, 0, &Giant, os_max_queue_comm, /*tagged*/8, devq); 1079 #else 1080 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name, 1081 vbus_ext, 0, os_max_queue_comm, /*tagged*/8, devq); 1082 #endif 1083 1084 if (!vbus_ext->sim) { 1085 os_printk("cam_sim_alloc failed"); 1086 cam_simq_free(devq); 1087 return ; 1088 } 1089 1090 #if __FreeBSD_version > 700044 1091 if (xpt_bus_register(vbus_ext->sim, NULL, 0) != CAM_SUCCESS) { 1092 #else 1093 if (xpt_bus_register(vbus_ext->sim, 0) != CAM_SUCCESS) { 1094 #endif 1095 os_printk("xpt_bus_register failed"); 1096 cam_sim_free(vbus_ext->sim, /*free devq*/ TRUE); 1097 vbus_ext->sim = NULL; 1098 return ; 1099 } 1100 1101 if (xpt_create_path(&vbus_ext->path, /*periph */ NULL, 1102 cam_sim_path(vbus_ext->sim), CAM_TARGET_WILDCARD, 1103 CAM_LUN_WILDCARD) != CAM_REQ_CMP) 1104 { 1105 os_printk("xpt_create_path failed"); 1106 xpt_bus_deregister(cam_sim_path(vbus_ext->sim)); 1107 cam_sim_free(vbus_ext->sim, /*free_devq*/TRUE); 1108 vbus_ext->sim = NULL; 1109 return ; 1110 } 1111 1112 xpt_setup_ccb(&ccb.ccb_h, vbus_ext->path, /*priority*/5); 1113 ccb.ccb_h.func_code = XPT_SASYNC_CB; 1114 ccb.event_enable = AC_LOST_DEVICE; 1115 ccb.callback = hpt_async; 1116 ccb.callback_arg = vbus_ext; 1117 xpt_action((union ccb *)&ccb); 1118 1119 for (hba = vbus_ext->hba_list; hba; hba = hba->next) { 1120 int rid = 0; 1121 if ((hba->irq_res = bus_alloc_resource(hba->pcidev, 1122 SYS_RES_IRQ, &rid, 0, ~0ul, 1, RF_SHAREABLE | RF_ACTIVE)) == NULL) 1123 { 1124 os_printk("can't allocate interrupt"); 1125 return ; 1126 } 1127 1128 if (bus_setup_intr(hba->pcidev, hba->irq_res, INTR_TYPE_CAM, 1129 #if __FreeBSD_version > 700025 1130 NULL, hpt_pci_intr, vbus_ext, &hba->irq_handle)) 1131 #else 1132 hpt_pci_intr, vbus_ext, &hba->irq_handle)) 1133 #endif 1134 { 1135 os_printk("can't set up interrupt"); 1136 return ; 1137 } 1138 hba->ldm_adapter.him->intr_control(hba->ldm_adapter.him_handle, HPT_TRUE); 1139 } 1140 1141 vbus_ext->shutdown_eh = EVENTHANDLER_REGISTER(shutdown_final, 1142 hpt_shutdown_vbus, vbus_ext, SHUTDOWN_PRI_DEFAULT); 1143 if (!vbus_ext->shutdown_eh) 1144 os_printk("Shutdown event registration failed"); 1145 } 1146 1147 ldm_for_each_vbus(vbus, vbus_ext) { 1148 TASK_INIT(&vbus_ext->worker, 0, (task_fn_t *)hpt_do_tasks, vbus_ext); 1149 if (vbus_ext->tasks) 1150 TASK_ENQUEUE(&vbus_ext->worker); 1151 } 1152 1153 make_dev(&hpt_cdevsw, DRIVER_MINOR, UID_ROOT, GID_OPERATOR, 1154 S_IRUSR | S_IWUSR, "%s", driver_name); 1155 } 1156 1157 #if defined(KLD_MODULE) && (__FreeBSD_version >= 503000) 1158 1159 typedef struct driverlink *driverlink_t; 1160 struct driverlink { 1161 kobj_class_t driver; 1162 TAILQ_ENTRY(driverlink) link; /* list of drivers in devclass */ 1163 }; 1164 1165 typedef TAILQ_HEAD(driver_list, driverlink) driver_list_t; 1166 1167 struct devclass { 1168 TAILQ_ENTRY(devclass) link; 1169 devclass_t parent; /* parent in devclass hierarchy */ 1170 driver_list_t drivers; /* bus devclasses store drivers for bus */ 1171 char *name; 1172 device_t *devices; /* array of devices indexed by unit */ 1173 int maxunit; /* size of devices array */ 1174 }; 1175 1176 static void override_kernel_driver(void) 1177 { 1178 driverlink_t dl, dlfirst; 1179 driver_t *tmpdriver; 1180 devclass_t dc = devclass_find("pci"); 1181 1182 if (dc){ 1183 dlfirst = TAILQ_FIRST(&dc->drivers); 1184 for (dl = dlfirst; dl; dl = TAILQ_NEXT(dl, link)) { 1185 if(strcmp(dl->driver->name, driver_name) == 0) { 1186 tmpdriver=dl->driver; 1187 dl->driver=dlfirst->driver; 1188 dlfirst->driver=tmpdriver; 1189 break; 1190 } 1191 } 1192 } 1193 } 1194 1195 #else 1196 #define override_kernel_driver() 1197 #endif 1198 1199 static void hpt_init(void *dummy) 1200 { 1201 if (bootverbose) 1202 os_printk("%s %s", driver_name_long, driver_ver); 1203 1204 override_kernel_driver(); 1205 init_config(); 1206 1207 hpt_ich.ich_func = hpt_final_init; 1208 hpt_ich.ich_arg = NULL; 1209 if (config_intrhook_establish(&hpt_ich) != 0) { 1210 printf("%s: cannot establish configuration hook\n", 1211 driver_name_long); 1212 } 1213 1214 } 1215 SYSINIT(hptinit, SI_SUB_CONFIGURE, SI_ORDER_FIRST, hpt_init, NULL); 1216 1217 /* 1218 * CAM driver interface 1219 */ 1220 static device_method_t driver_methods[] = { 1221 /* Device interface */ 1222 DEVMETHOD(device_probe, hpt_probe), 1223 DEVMETHOD(device_attach, hpt_attach), 1224 DEVMETHOD(device_detach, hpt_detach), 1225 DEVMETHOD(device_shutdown, hpt_shutdown), 1226 DEVMETHOD_END 1227 }; 1228 1229 static driver_t hpt_pci_driver = { 1230 driver_name, 1231 driver_methods, 1232 sizeof(HBA) 1233 }; 1234 1235 static devclass_t hpt_devclass; 1236 1237 #ifndef TARGETNAME 1238 #error "no TARGETNAME found" 1239 #endif 1240 1241 /* use this to make TARGETNAME be expanded */ 1242 #define __DRIVER_MODULE(p1, p2, p3, p4, p5, p6) DRIVER_MODULE(p1, p2, p3, p4, p5, p6) 1243 #define __MODULE_VERSION(p1, p2) MODULE_VERSION(p1, p2) 1244 #define __MODULE_DEPEND(p1, p2, p3, p4, p5) MODULE_DEPEND(p1, p2, p3, p4, p5) 1245 __DRIVER_MODULE(TARGETNAME, pci, hpt_pci_driver, hpt_devclass, 0, 0); 1246 __MODULE_VERSION(TARGETNAME, 1); 1247 __MODULE_DEPEND(TARGETNAME, cam, 1, 1, 1); 1248 1249 #if __FreeBSD_version>503000 1250 typedef struct cdev * ioctl_dev_t; 1251 #else 1252 typedef dev_t ioctl_dev_t; 1253 #endif 1254 1255 #if __FreeBSD_version >= 500000 1256 typedef struct thread * ioctl_thread_t; 1257 #else 1258 typedef struct proc * ioctl_thread_t; 1259 #endif 1260 1261 static int hpt_open(ioctl_dev_t dev, int flags, int devtype, ioctl_thread_t td) 1262 { 1263 return 0; 1264 } 1265 1266 static int hpt_close(ioctl_dev_t dev, int flags, int devtype, ioctl_thread_t td) 1267 { 1268 return 0; 1269 } 1270 1271 static int hpt_ioctl(ioctl_dev_t dev, u_long cmd, caddr_t data, int fflag, ioctl_thread_t td) 1272 { 1273 PHPT_IOCTL_PARAM piop=(PHPT_IOCTL_PARAM)data; 1274 IOCTL_ARG ioctl_args; 1275 HPT_U32 bytesReturned; 1276 1277 switch (cmd){ 1278 case HPT_DO_IOCONTROL: 1279 { 1280 if (piop->Magic == HPT_IOCTL_MAGIC || piop->Magic == HPT_IOCTL_MAGIC32) { 1281 KdPrint(("ioctl=%x in=%p len=%d out=%p len=%d\n", 1282 piop->dwIoControlCode, 1283 piop->lpInBuffer, 1284 piop->nInBufferSize, 1285 piop->lpOutBuffer, 1286 piop->nOutBufferSize)); 1287 1288 memset(&ioctl_args, 0, sizeof(ioctl_args)); 1289 1290 ioctl_args.dwIoControlCode = piop->dwIoControlCode; 1291 ioctl_args.nInBufferSize = piop->nInBufferSize; 1292 ioctl_args.nOutBufferSize = piop->nOutBufferSize; 1293 ioctl_args.lpBytesReturned = &bytesReturned; 1294 1295 if (ioctl_args.nInBufferSize) { 1296 ioctl_args.lpInBuffer = malloc(ioctl_args.nInBufferSize, M_DEVBUF, M_WAITOK); 1297 if (!ioctl_args.lpInBuffer) 1298 goto invalid; 1299 if (copyin((void*)piop->lpInBuffer, 1300 ioctl_args.lpInBuffer, piop->nInBufferSize)) 1301 goto invalid; 1302 } 1303 1304 if (ioctl_args.nOutBufferSize) { 1305 ioctl_args.lpOutBuffer = malloc(ioctl_args.nOutBufferSize, M_DEVBUF, M_WAITOK); 1306 if (!ioctl_args.lpOutBuffer) 1307 goto invalid; 1308 } 1309 1310 #if (__FreeBSD_version >= 500000) 1311 mtx_lock(&Giant); 1312 #endif 1313 1314 hpt_do_ioctl(&ioctl_args); 1315 1316 #if (__FreeBSD_version >= 500000) 1317 mtx_unlock(&Giant); 1318 #endif 1319 1320 if (ioctl_args.result==HPT_IOCTL_RESULT_OK) { 1321 if (piop->nOutBufferSize) { 1322 if (copyout(ioctl_args.lpOutBuffer, 1323 (void*)piop->lpOutBuffer, piop->nOutBufferSize)) 1324 goto invalid; 1325 } 1326 if (piop->lpBytesReturned) { 1327 if (copyout(&bytesReturned, 1328 (void*)piop->lpBytesReturned, sizeof(HPT_U32))) 1329 goto invalid; 1330 } 1331 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF); 1332 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF); 1333 return 0; 1334 } 1335 invalid: 1336 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF); 1337 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF); 1338 return EFAULT; 1339 } 1340 return EFAULT; 1341 } 1342 1343 case HPT_SCAN_BUS: 1344 { 1345 return hpt_rescan_bus(); 1346 } 1347 default: 1348 KdPrint(("invalid command!")); 1349 return EFAULT; 1350 } 1351 1352 } 1353 1354 static int hpt_rescan_bus(void) 1355 { 1356 union ccb *ccb; 1357 PVBUS vbus; 1358 PVBUS_EXT vbus_ext; 1359 1360 #if (__FreeBSD_version >= 500000) 1361 mtx_lock(&Giant); 1362 #endif 1363 1364 ldm_for_each_vbus(vbus, vbus_ext) { 1365 if ((ccb = xpt_alloc_ccb()) == NULL) 1366 return(ENOMEM); 1367 if (xpt_create_path(&ccb->ccb_h.path, NULL, 1368 cam_sim_path(vbus_ext->sim), 1369 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 1370 xpt_free_ccb(ccb); 1371 return(EIO); 1372 } 1373 xpt_rescan(ccb); 1374 } 1375 1376 #if (__FreeBSD_version >= 500000) 1377 mtx_unlock(&Giant); 1378 #endif 1379 1380 return(0); 1381 }
Cache object: 72af39d495f4b69b69597376343b4ad0
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