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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: releng/10.1/sys/dev/hptrr/hptrr_osm_bsd.c 267457 2014-06-14 00:44:57Z delphij $"); 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 ; 180 181 KdPrint(("%s: %d*%d=%d bytes, order %d", 182 f->tag, f->count, f->size, f->count*f->size, order)); 183 HPT_ASSERT(f->alignment<=PAGE_SIZE); 184 185 for (i=0; i<f->count;) { 186 p = (void **)__get_free_pages(order); 187 if (!p) return -1; 188 for (j = size/f->size; j && i<f->count; i++,j--) { 189 *p = f->head; 190 *(BUS_ADDRESS *)(p+1) = (BUS_ADDRESS)vtophys(p); 191 f->head = p; 192 p = (void **)((unsigned long)p + f->size); 193 } 194 } 195 } 196 197 HPT_ASSERT(PAGE_SIZE==DMAPOOL_PAGE_SIZE); 198 199 for (i=0; i<os_max_cache_pages; i++) { 200 p = (void **)__get_free_pages(0); 201 if (!p) return -1; 202 HPT_ASSERT(((HPT_UPTR)p & (DMAPOOL_PAGE_SIZE-1))==0); 203 dmapool_put_page((PVBUS)vbus_ext->vbus, p, (BUS_ADDRESS)vtophys(p)); 204 } 205 206 return 0; 207 } 208 209 static void hpt_free_mem(PVBUS_EXT vbus_ext) 210 { 211 struct freelist *f; 212 void *p; 213 int i; 214 BUS_ADDRESS bus; 215 216 for (f=vbus_ext->freelist_head; f; f=f->next) { 217 #if DBG 218 if (f->count!=f->reserved_count) { 219 KdPrint(("memory leak for freelist %s (%d/%d)", f->tag, f->count, f->reserved_count)); 220 } 221 #endif 222 while ((p=freelist_get(f))) 223 free(p, M_DEVBUF); 224 } 225 226 for (i=0; i<os_max_cache_pages; i++) { 227 p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus); 228 HPT_ASSERT(p); 229 free_pages(p, 0); 230 } 231 232 for (f=vbus_ext->freelist_dma_head; f; f=f->next) { 233 int order, size; 234 #if DBG 235 if (f->count!=f->reserved_count) { 236 KdPrint(("memory leak for dma freelist %s (%d/%d)", f->tag, f->count, f->reserved_count)); 237 } 238 #endif 239 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) ; 240 241 while ((p=freelist_get_dma(f, &bus))) { 242 if (order) 243 free_pages(p, order); 244 else { 245 /* can't free immediately since other blocks in this page may still be in the list */ 246 if (((HPT_UPTR)p & (PAGE_SIZE-1))==0) 247 dmapool_put_page((PVBUS)vbus_ext->vbus, p, bus); 248 } 249 } 250 } 251 252 while ((p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus))) 253 free_pages(p, 0); 254 } 255 256 static int hpt_init_vbus(PVBUS_EXT vbus_ext) 257 { 258 PHBA hba; 259 260 for (hba = vbus_ext->hba_list; hba; hba = hba->next) 261 if (!hba->ldm_adapter.him->initialize(hba->ldm_adapter.him_handle)) { 262 KdPrint(("fail to initialize %p", hba)); 263 return -1; 264 } 265 266 ldm_initialize_vbus((PVBUS)vbus_ext->vbus, &vbus_ext->hba_list->ldm_adapter); 267 return 0; 268 } 269 270 static void hpt_flush_done(PCOMMAND pCmd) 271 { 272 PVDEV vd = pCmd->target; 273 274 if (mIsArray(vd->type) && vd->u.array.transform && vd!=vd->u.array.transform->target) { 275 vd = vd->u.array.transform->target; 276 HPT_ASSERT(vd); 277 pCmd->target = vd; 278 pCmd->Result = RETURN_PENDING; 279 vdev_queue_cmd(pCmd); 280 return; 281 } 282 283 *(int *)pCmd->priv = 1; 284 wakeup(pCmd); 285 } 286 287 /* 288 * flush a vdev (without retry). 289 */ 290 static int hpt_flush_vdev(PVBUS_EXT vbus_ext, PVDEV vd) 291 { 292 PCOMMAND pCmd; 293 int result = 0, done; 294 HPT_UINT count; 295 296 KdPrint(("flusing dev %p", vd)); 297 298 hpt_lock_vbus(vbus_ext); 299 300 if (mIsArray(vd->type) && vd->u.array.transform) 301 count = MAX(vd->u.array.transform->source->cmds_per_request, 302 vd->u.array.transform->target->cmds_per_request); 303 else 304 count = vd->cmds_per_request; 305 306 pCmd = ldm_alloc_cmds(vd->vbus, count); 307 308 if (!pCmd) { 309 hpt_unlock_vbus(vbus_ext); 310 return -1; 311 } 312 313 pCmd->type = CMD_TYPE_FLUSH; 314 pCmd->flags.hard_flush = 1; 315 pCmd->target = vd; 316 pCmd->done = hpt_flush_done; 317 done = 0; 318 pCmd->priv = &done; 319 320 ldm_queue_cmd(pCmd); 321 322 if (!done) { 323 while (hpt_sleep(vbus_ext, pCmd, PPAUSE, "hptfls", HPT_OSM_TIMEOUT)) { 324 ldm_reset_vbus(vd->vbus); 325 } 326 } 327 328 KdPrint(("flush result %d", pCmd->Result)); 329 330 if (pCmd->Result!=RETURN_SUCCESS) 331 result = -1; 332 333 ldm_free_cmds(pCmd); 334 335 hpt_unlock_vbus(vbus_ext); 336 337 return result; 338 } 339 340 static void hpt_stop_tasks(PVBUS_EXT vbus_ext); 341 static void hpt_shutdown_vbus(PVBUS_EXT vbus_ext, int howto) 342 { 343 PVBUS vbus = (PVBUS)vbus_ext->vbus; 344 PHBA hba; 345 int i; 346 347 KdPrint(("hpt_shutdown_vbus")); 348 349 /* stop all ctl tasks and disable the worker taskqueue */ 350 hpt_stop_tasks(vbus_ext); 351 vbus_ext->worker.ta_context = 0; 352 353 /* flush devices */ 354 for (i=0; i<osm_max_targets; i++) { 355 PVDEV vd = ldm_find_target(vbus, i); 356 if (vd) { 357 /* retry once */ 358 if (hpt_flush_vdev(vbus_ext, vd)) 359 hpt_flush_vdev(vbus_ext, vd); 360 } 361 } 362 363 hpt_lock_vbus(vbus_ext); 364 ldm_shutdown(vbus); 365 hpt_unlock_vbus(vbus_ext); 366 367 ldm_release_vbus(vbus); 368 369 for (hba=vbus_ext->hba_list; hba; hba=hba->next) 370 bus_teardown_intr(hba->pcidev, hba->irq_res, hba->irq_handle); 371 372 hpt_free_mem(vbus_ext); 373 374 while ((hba=vbus_ext->hba_list)) { 375 vbus_ext->hba_list = hba->next; 376 free(hba->ldm_adapter.him_handle, M_DEVBUF); 377 } 378 379 free(vbus_ext, M_DEVBUF); 380 KdPrint(("hpt_shutdown_vbus done")); 381 } 382 383 static void __hpt_do_tasks(PVBUS_EXT vbus_ext) 384 { 385 OSM_TASK *tasks; 386 387 tasks = vbus_ext->tasks; 388 vbus_ext->tasks = 0; 389 390 while (tasks) { 391 OSM_TASK *t = tasks; 392 tasks = t->next; 393 t->next = 0; 394 t->func(vbus_ext->vbus, t->data); 395 } 396 } 397 398 static void hpt_do_tasks(PVBUS_EXT vbus_ext, int pending) 399 { 400 if(vbus_ext){ 401 hpt_lock_vbus(vbus_ext); 402 __hpt_do_tasks(vbus_ext); 403 hpt_unlock_vbus(vbus_ext); 404 } 405 } 406 407 static void hpt_action(struct cam_sim *sim, union ccb *ccb); 408 static void hpt_poll(struct cam_sim *sim); 409 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg); 410 static void hpt_pci_intr(void *arg); 411 412 static __inline POS_CMDEXT cmdext_get(PVBUS_EXT vbus_ext) 413 { 414 POS_CMDEXT p = vbus_ext->cmdext_list; 415 if (p) 416 vbus_ext->cmdext_list = p->next; 417 return p; 418 } 419 420 static __inline void cmdext_put(POS_CMDEXT p) 421 { 422 p->next = p->vbus_ext->cmdext_list; 423 p->vbus_ext->cmdext_list = p; 424 } 425 426 static void hpt_timeout(void *arg) 427 { 428 PCOMMAND pCmd = (PCOMMAND)arg; 429 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv; 430 431 KdPrint(("pCmd %p timeout", pCmd)); 432 433 ldm_reset_vbus((PVBUS)ext->vbus_ext->vbus); 434 } 435 436 static void os_cmddone(PCOMMAND pCmd) 437 { 438 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv; 439 union ccb *ccb = ext->ccb; 440 441 KdPrint(("os_cmddone(%p, %d)", pCmd, pCmd->Result)); 442 443 untimeout(hpt_timeout, pCmd, ext->timeout_ch); 444 445 switch(pCmd->Result) { 446 case RETURN_SUCCESS: 447 ccb->ccb_h.status = CAM_REQ_CMP; 448 break; 449 case RETURN_BAD_DEVICE: 450 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 451 break; 452 case RETURN_DEVICE_BUSY: 453 ccb->ccb_h.status = CAM_BUSY; 454 break; 455 case RETURN_INVALID_REQUEST: 456 ccb->ccb_h.status = CAM_REQ_INVALID; 457 break; 458 case RETURN_SELECTION_TIMEOUT: 459 ccb->ccb_h.status = CAM_SEL_TIMEOUT; 460 break; 461 case RETURN_RETRY: 462 ccb->ccb_h.status = CAM_BUSY; 463 break; 464 default: 465 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR; 466 break; 467 } 468 469 if (pCmd->flags.data_in) { 470 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTREAD); 471 } 472 else if (pCmd->flags.data_out) { 473 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTWRITE); 474 } 475 476 bus_dmamap_unload(ext->vbus_ext->io_dmat, ext->dma_map); 477 478 cmdext_put(ext); 479 ldm_free_cmds(pCmd); 480 xpt_done(ccb); 481 } 482 483 static int os_buildsgl(PCOMMAND pCmd, PSG pSg, int logical) 484 { 485 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv; 486 union ccb *ccb = ext->ccb; 487 488 if (logical) { 489 os_set_sgptr(pSg, (HPT_U8 *)ccb->csio.data_ptr); 490 pSg->size = ccb->csio.dxfer_len; 491 pSg->eot = 1; 492 return TRUE; 493 } 494 495 /* since we have provided physical sg, nobody will ask us to build physical sg */ 496 HPT_ASSERT(0); 497 return FALSE; 498 } 499 500 static void hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 501 { 502 PCOMMAND pCmd = (PCOMMAND)arg; 503 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv; 504 PSG psg = pCmd->psg; 505 int idx; 506 507 HPT_ASSERT(pCmd->flags.physical_sg); 508 509 if (error) 510 panic("busdma error"); 511 512 HPT_ASSERT(nsegs<=os_max_sg_descriptors); 513 514 if (nsegs != 0) { 515 for (idx = 0; idx < nsegs; idx++, psg++) { 516 psg->addr.bus = segs[idx].ds_addr; 517 psg->size = segs[idx].ds_len; 518 psg->eot = 0; 519 } 520 psg[-1].eot = 1; 521 522 if (pCmd->flags.data_in) { 523 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, 524 BUS_DMASYNC_PREREAD); 525 } 526 else if (pCmd->flags.data_out) { 527 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, 528 BUS_DMASYNC_PREWRITE); 529 } 530 } 531 ext->timeout_ch = timeout(hpt_timeout, pCmd, HPT_OSM_TIMEOUT); 532 ldm_queue_cmd(pCmd); 533 } 534 535 static void hpt_scsi_io(PVBUS_EXT vbus_ext, union ccb *ccb) 536 { 537 PVBUS vbus = (PVBUS)vbus_ext->vbus; 538 PVDEV vd; 539 PCOMMAND pCmd; 540 POS_CMDEXT ext; 541 HPT_U8 *cdb; 542 543 if (ccb->ccb_h.flags & CAM_CDB_POINTER) 544 cdb = ccb->csio.cdb_io.cdb_ptr; 545 else 546 cdb = ccb->csio.cdb_io.cdb_bytes; 547 548 KdPrint(("hpt_scsi_io: ccb %x id %d lun %d cdb %x-%x-%x", 549 ccb, 550 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 551 *(HPT_U32 *)&cdb[0], *(HPT_U32 *)&cdb[4], *(HPT_U32 *)&cdb[8] 552 )); 553 554 /* ccb->ccb_h.path_id is not our bus id - don't check it */ 555 if (ccb->ccb_h.target_lun != 0 || 556 ccb->ccb_h.target_id >= osm_max_targets || 557 (ccb->ccb_h.flags & CAM_CDB_PHYS)) 558 { 559 ccb->ccb_h.status = CAM_TID_INVALID; 560 xpt_done(ccb); 561 return; 562 } 563 564 vd = ldm_find_target(vbus, ccb->ccb_h.target_id); 565 566 if (!vd) { 567 ccb->ccb_h.status = CAM_SEL_TIMEOUT; 568 xpt_done(ccb); 569 return; 570 } 571 572 switch (cdb[0]) { 573 case TEST_UNIT_READY: 574 case START_STOP_UNIT: 575 case SYNCHRONIZE_CACHE: 576 ccb->ccb_h.status = CAM_REQ_CMP; 577 break; 578 579 case INQUIRY: 580 { 581 PINQUIRYDATA inquiryData; 582 memset(ccb->csio.data_ptr, 0, ccb->csio.dxfer_len); 583 inquiryData = (PINQUIRYDATA)ccb->csio.data_ptr; 584 585 inquiryData->AdditionalLength = 31; 586 inquiryData->CommandQueue = 1; 587 memcpy(&inquiryData->VendorId, "HPT ", 8); 588 memcpy(&inquiryData->ProductId, "DISK 0_0 ", 16); 589 590 if (vd->target_id / 10) { 591 inquiryData->ProductId[7] = (vd->target_id % 100) / 10 + ''; 592 inquiryData->ProductId[8] = (vd->target_id % 100) % 10 + ''; 593 } 594 else 595 inquiryData->ProductId[7] = (vd->target_id % 100) % 10 + ''; 596 597 memcpy(&inquiryData->ProductRevisionLevel, "4.00", 4); 598 599 ccb->ccb_h.status = CAM_REQ_CMP; 600 } 601 break; 602 603 case READ_CAPACITY: 604 { 605 HPT_U8 *rbuf = ccb->csio.data_ptr; 606 HPT_U32 cap; 607 608 if (vd->capacity>0xfffffffful) 609 cap = 0xfffffffful; 610 else 611 cap = vd->capacity - 1; 612 613 rbuf[0] = (HPT_U8)(cap>>24); 614 rbuf[1] = (HPT_U8)(cap>>16); 615 rbuf[2] = (HPT_U8)(cap>>8); 616 rbuf[3] = (HPT_U8)cap; 617 rbuf[4] = 0; 618 rbuf[5] = 0; 619 rbuf[6] = 2; 620 rbuf[7] = 0; 621 622 ccb->ccb_h.status = CAM_REQ_CMP; 623 break; 624 } 625 626 case SERVICE_ACTION_IN: 627 { 628 HPT_U8 *rbuf = ccb->csio.data_ptr; 629 HPT_U64 cap = vd->capacity - 1; 630 631 rbuf[0] = (HPT_U8)(cap>>56); 632 rbuf[1] = (HPT_U8)(cap>>48); 633 rbuf[2] = (HPT_U8)(cap>>40); 634 rbuf[3] = (HPT_U8)(cap>>32); 635 rbuf[4] = (HPT_U8)(cap>>24); 636 rbuf[5] = (HPT_U8)(cap>>16); 637 rbuf[6] = (HPT_U8)(cap>>8); 638 rbuf[7] = (HPT_U8)cap; 639 rbuf[8] = 0; 640 rbuf[9] = 0; 641 rbuf[10] = 2; 642 rbuf[11] = 0; 643 644 ccb->ccb_h.status = CAM_REQ_CMP; 645 break; 646 } 647 648 case READ_6: 649 case READ_10: 650 case READ_16: 651 case WRITE_6: 652 case WRITE_10: 653 case WRITE_16: 654 case 0x13: 655 case 0x2f: 656 { 657 int error; 658 659 pCmd = ldm_alloc_cmds(vbus, vd->cmds_per_request); 660 if(!pCmd){ 661 KdPrint(("Failed to allocate command!")); 662 ccb->ccb_h.status = CAM_BUSY; 663 break; 664 } 665 666 switch (cdb[0]) { 667 case READ_6: 668 case WRITE_6: 669 case 0x13: 670 pCmd->uCmd.Ide.Lba = ((HPT_U32)cdb[1] << 16) | ((HPT_U32)cdb[2] << 8) | (HPT_U32)cdb[3]; 671 pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[4]; 672 break; 673 case READ_16: 674 case WRITE_16: 675 { 676 HPT_U64 block = 677 ((HPT_U64)cdb[2]<<56) | 678 ((HPT_U64)cdb[3]<<48) | 679 ((HPT_U64)cdb[4]<<40) | 680 ((HPT_U64)cdb[5]<<32) | 681 ((HPT_U64)cdb[6]<<24) | 682 ((HPT_U64)cdb[7]<<16) | 683 ((HPT_U64)cdb[8]<<8) | 684 ((HPT_U64)cdb[9]); 685 pCmd->uCmd.Ide.Lba = block; 686 pCmd->uCmd.Ide.nSectors = (HPT_U16)cdb[13] | ((HPT_U16)cdb[12]<<8); 687 break; 688 } 689 690 default: 691 pCmd->uCmd.Ide.Lba = (HPT_U32)cdb[5] | ((HPT_U32)cdb[4] << 8) | ((HPT_U32)cdb[3] << 16) | ((HPT_U32)cdb[2] << 24); 692 pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[8] | ((HPT_U16)cdb[7]<<8); 693 break; 694 } 695 696 switch (cdb[0]) { 697 case READ_6: 698 case READ_10: 699 case READ_16: 700 pCmd->flags.data_in = 1; 701 break; 702 case WRITE_6: 703 case WRITE_10: 704 case WRITE_16: 705 pCmd->flags.data_out = 1; 706 break; 707 } 708 pCmd->priv = ext = cmdext_get(vbus_ext); 709 HPT_ASSERT(ext); 710 ext->ccb = ccb; 711 pCmd->target = vd; 712 pCmd->done = os_cmddone; 713 pCmd->buildsgl = os_buildsgl; 714 pCmd->psg = ext->psg; 715 pCmd->flags.physical_sg = 1; 716 error = bus_dmamap_load_ccb(vbus_ext->io_dmat, 717 ext->dma_map, 718 ccb, 719 hpt_io_dmamap_callback, pCmd, 720 BUS_DMA_WAITOK 721 ); 722 KdPrint(("bus_dmamap_load return %d", error)); 723 if (error && error!=EINPROGRESS) { 724 os_printk("bus_dmamap_load error %d", error); 725 cmdext_put(ext); 726 ldm_free_cmds(pCmd); 727 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 728 xpt_done(ccb); 729 } 730 return; 731 } 732 733 default: 734 ccb->ccb_h.status = CAM_REQ_INVALID; 735 break; 736 } 737 738 xpt_done(ccb); 739 return; 740 } 741 742 static void hpt_action(struct cam_sim *sim, union ccb *ccb) 743 { 744 PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim); 745 746 KdPrint(("hpt_action(fn=%d, id=%d)", ccb->ccb_h.func_code, ccb->ccb_h.target_id)); 747 748 switch (ccb->ccb_h.func_code) { 749 750 case XPT_SCSI_IO: 751 hpt_lock_vbus(vbus_ext); 752 hpt_scsi_io(vbus_ext, ccb); 753 hpt_unlock_vbus(vbus_ext); 754 return; 755 756 case XPT_RESET_BUS: 757 hpt_lock_vbus(vbus_ext); 758 ldm_reset_vbus((PVBUS)vbus_ext->vbus); 759 hpt_unlock_vbus(vbus_ext); 760 break; 761 762 case XPT_GET_TRAN_SETTINGS: 763 case XPT_SET_TRAN_SETTINGS: 764 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 765 break; 766 767 case XPT_CALC_GEOMETRY: 768 #if __FreeBSD_version >= 500000 769 cam_calc_geometry(&ccb->ccg, 1); 770 #else 771 ccb->ccg.heads = 255; 772 ccb->ccg.secs_per_track = 63; 773 ccb->ccg.cylinders = ccb->ccg.volume_size / (ccb->ccg.heads * ccb->ccg.secs_per_track); 774 ccb->ccb_h.status = CAM_REQ_CMP; 775 #endif 776 break; 777 778 case XPT_PATH_INQ: 779 { 780 struct ccb_pathinq *cpi = &ccb->cpi; 781 782 cpi->version_num = 1; 783 cpi->hba_inquiry = PI_SDTR_ABLE; 784 cpi->target_sprt = 0; 785 cpi->hba_misc = PIM_NOBUSRESET; 786 cpi->hba_eng_cnt = 0; 787 cpi->max_target = osm_max_targets; 788 cpi->max_lun = 0; 789 cpi->unit_number = cam_sim_unit(sim); 790 cpi->bus_id = cam_sim_bus(sim); 791 cpi->initiator_id = osm_max_targets; 792 cpi->base_transfer_speed = 3300; 793 794 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 795 strncpy(cpi->hba_vid, "HPT ", HBA_IDLEN); 796 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 797 cpi->transport = XPORT_SPI; 798 cpi->transport_version = 2; 799 cpi->protocol = PROTO_SCSI; 800 cpi->protocol_version = SCSI_REV_2; 801 cpi->ccb_h.status = CAM_REQ_CMP; 802 break; 803 } 804 805 default: 806 ccb->ccb_h.status = CAM_REQ_INVALID; 807 break; 808 } 809 810 xpt_done(ccb); 811 return; 812 } 813 814 static void hpt_pci_intr(void *arg) 815 { 816 PVBUS_EXT vbus_ext = (PVBUS_EXT)arg; 817 hpt_lock_vbus(vbus_ext); 818 ldm_intr((PVBUS)vbus_ext->vbus); 819 hpt_unlock_vbus(vbus_ext); 820 } 821 822 static void hpt_poll(struct cam_sim *sim) 823 { 824 hpt_pci_intr(cam_sim_softc(sim)); 825 } 826 827 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg) 828 { 829 KdPrint(("hpt_async")); 830 } 831 832 static int hpt_shutdown(device_t dev) 833 { 834 KdPrint(("hpt_shutdown(dev=%p)", dev)); 835 return 0; 836 } 837 838 static int hpt_detach(device_t dev) 839 { 840 /* we don't allow the driver to be unloaded. */ 841 return EBUSY; 842 } 843 844 static void hpt_ioctl_done(struct _IOCTL_ARG *arg) 845 { 846 arg->ioctl_cmnd = 0; 847 wakeup(arg); 848 } 849 850 static void __hpt_do_ioctl(PVBUS_EXT vbus_ext, IOCTL_ARG *ioctl_args) 851 { 852 ioctl_args->result = -1; 853 ioctl_args->done = hpt_ioctl_done; 854 ioctl_args->ioctl_cmnd = (void *)1; 855 856 hpt_lock_vbus(vbus_ext); 857 ldm_ioctl((PVBUS)vbus_ext->vbus, ioctl_args); 858 859 while (ioctl_args->ioctl_cmnd) { 860 if (hpt_sleep(vbus_ext, ioctl_args, PPAUSE, "hptctl", HPT_OSM_TIMEOUT)==0) 861 break; 862 ldm_reset_vbus((PVBUS)vbus_ext->vbus); 863 __hpt_do_tasks(vbus_ext); 864 } 865 866 /* KdPrint(("ioctl %x result %d", ioctl_args->dwIoControlCode, ioctl_args->result)); */ 867 868 hpt_unlock_vbus(vbus_ext); 869 } 870 871 static void hpt_do_ioctl(IOCTL_ARG *ioctl_args) 872 { 873 PVBUS vbus; 874 PVBUS_EXT vbus_ext; 875 876 ldm_for_each_vbus(vbus, vbus_ext) { 877 __hpt_do_ioctl(vbus_ext, ioctl_args); 878 if (ioctl_args->result!=HPT_IOCTL_RESULT_WRONG_VBUS) 879 return; 880 } 881 } 882 883 #define HPT_DO_IOCTL(code, inbuf, insize, outbuf, outsize) ({\ 884 IOCTL_ARG arg;\ 885 arg.dwIoControlCode = code;\ 886 arg.lpInBuffer = inbuf;\ 887 arg.lpOutBuffer = outbuf;\ 888 arg.nInBufferSize = insize;\ 889 arg.nOutBufferSize = outsize;\ 890 arg.lpBytesReturned = 0;\ 891 hpt_do_ioctl(&arg);\ 892 arg.result;\ 893 }) 894 895 #define DEVICEID_VALID(id) ((id) && ((HPT_U32)(id)!=0xffffffff)) 896 897 static int hpt_get_logical_devices(DEVICEID * pIds, int nMaxCount) 898 { 899 int i; 900 HPT_U32 count = nMaxCount-1; 901 902 if (HPT_DO_IOCTL(HPT_IOCTL_GET_LOGICAL_DEVICES, 903 &count, sizeof(HPT_U32), pIds, sizeof(DEVICEID)*nMaxCount)) 904 return -1; 905 906 nMaxCount = (int)pIds[0]; 907 for (i=0; i<nMaxCount; i++) pIds[i] = pIds[i+1]; 908 return nMaxCount; 909 } 910 911 static int hpt_get_device_info_v3(DEVICEID id, PLOGICAL_DEVICE_INFO_V3 pInfo) 912 { 913 return HPT_DO_IOCTL(HPT_IOCTL_GET_DEVICE_INFO_V3, 914 &id, sizeof(DEVICEID), pInfo, sizeof(LOGICAL_DEVICE_INFO_V3)); 915 } 916 917 /* not belong to this file logically, but we want to use ioctl interface */ 918 static int __hpt_stop_tasks(PVBUS_EXT vbus_ext, DEVICEID id) 919 { 920 LOGICAL_DEVICE_INFO_V3 devinfo; 921 int i, result; 922 DEVICEID param[2] = { id, 0 }; 923 924 if (hpt_get_device_info_v3(id, &devinfo)) 925 return -1; 926 927 if (devinfo.Type!=LDT_ARRAY) 928 return -1; 929 930 if (devinfo.u.array.Flags & ARRAY_FLAG_REBUILDING) 931 param[1] = AS_REBUILD_ABORT; 932 else if (devinfo.u.array.Flags & ARRAY_FLAG_VERIFYING) 933 param[1] = AS_VERIFY_ABORT; 934 else if (devinfo.u.array.Flags & ARRAY_FLAG_INITIALIZING) 935 param[1] = AS_INITIALIZE_ABORT; 936 else if (devinfo.u.array.Flags & ARRAY_FLAG_TRANSFORMING) 937 param[1] = AS_TRANSFORM_ABORT; 938 else 939 return -1; 940 941 KdPrint(("SET_ARRAY_STATE(%x, %d)", param[0], param[1])); 942 result = HPT_DO_IOCTL(HPT_IOCTL_SET_ARRAY_STATE, 943 param, sizeof(param), 0, 0); 944 945 for (i=0; i<devinfo.u.array.nDisk; i++) 946 if (DEVICEID_VALID(devinfo.u.array.Members[i])) 947 __hpt_stop_tasks(vbus_ext, devinfo.u.array.Members[i]); 948 949 return result; 950 } 951 952 static void hpt_stop_tasks(PVBUS_EXT vbus_ext) 953 { 954 DEVICEID ids[32]; 955 int i, count; 956 957 count = hpt_get_logical_devices((DEVICEID *)&ids, sizeof(ids)/sizeof(ids[0])); 958 959 for (i=0; i<count; i++) 960 __hpt_stop_tasks(vbus_ext, ids[i]); 961 } 962 963 static d_open_t hpt_open; 964 static d_close_t hpt_close; 965 static d_ioctl_t hpt_ioctl; 966 static int hpt_rescan_bus(void); 967 968 static struct cdevsw hpt_cdevsw = { 969 .d_open = hpt_open, 970 .d_close = hpt_close, 971 .d_ioctl = hpt_ioctl, 972 .d_name = driver_name, 973 #if __FreeBSD_version>=503000 974 .d_version = D_VERSION, 975 #endif 976 #if (__FreeBSD_version>=503000 && __FreeBSD_version<600034) 977 .d_flags = D_NEEDGIANT, 978 #endif 979 #if __FreeBSD_version<600034 980 #if __FreeBSD_version>501000 981 .d_maj = MAJOR_AUTO, 982 #else 983 .d_maj = HPT_DEV_MAJOR, 984 #endif 985 #endif 986 }; 987 988 static struct intr_config_hook hpt_ich; 989 990 /* 991 * hpt_final_init will be called after all hpt_attach. 992 */ 993 static void hpt_final_init(void *dummy) 994 { 995 int i; 996 PVBUS_EXT vbus_ext; 997 PVBUS vbus; 998 PHBA hba; 999 1000 /* Clear the config hook */ 1001 config_intrhook_disestablish(&hpt_ich); 1002 1003 /* allocate memory */ 1004 i = 0; 1005 ldm_for_each_vbus(vbus, vbus_ext) { 1006 if (hpt_alloc_mem(vbus_ext)) { 1007 os_printk("out of memory"); 1008 return; 1009 } 1010 i++; 1011 } 1012 1013 if (!i) { 1014 if (bootverbose) 1015 os_printk("no controller detected."); 1016 return; 1017 } 1018 1019 /* initializing hardware */ 1020 ldm_for_each_vbus(vbus, vbus_ext) { 1021 /* make timer available here */ 1022 callout_handle_init(&vbus_ext->timer); 1023 if (hpt_init_vbus(vbus_ext)) { 1024 os_printk("fail to initialize hardware"); 1025 break; /* FIXME */ 1026 } 1027 } 1028 1029 /* register CAM interface */ 1030 ldm_for_each_vbus(vbus, vbus_ext) { 1031 struct cam_devq *devq; 1032 struct ccb_setasync ccb; 1033 1034 #if (__FreeBSD_version >= 500000) 1035 mtx_init(&vbus_ext->lock, "hptsleeplock", NULL, MTX_DEF); 1036 #endif 1037 if (bus_dma_tag_create(NULL,/* parent */ 1038 4, /* alignment */ 1039 BUS_SPACE_MAXADDR_32BIT+1, /* boundary */ 1040 BUS_SPACE_MAXADDR, /* lowaddr */ 1041 BUS_SPACE_MAXADDR, /* highaddr */ 1042 NULL, NULL, /* filter, filterarg */ 1043 PAGE_SIZE * (os_max_sg_descriptors-1), /* maxsize */ 1044 os_max_sg_descriptors, /* nsegments */ 1045 0x10000, /* maxsegsize */ 1046 BUS_DMA_WAITOK, /* flags */ 1047 #if __FreeBSD_version>502000 1048 busdma_lock_mutex, /* lockfunc */ 1049 &vbus_ext->lock, /* lockfuncarg */ 1050 #endif 1051 &vbus_ext->io_dmat /* tag */)) 1052 { 1053 return ; 1054 } 1055 1056 for (i=0; i<os_max_queue_comm; i++) { 1057 POS_CMDEXT ext = (POS_CMDEXT)malloc(sizeof(OS_CMDEXT), M_DEVBUF, M_WAITOK); 1058 if (!ext) { 1059 os_printk("Can't alloc cmdext(%d)", i); 1060 return ; 1061 } 1062 ext->vbus_ext = vbus_ext; 1063 ext->next = vbus_ext->cmdext_list; 1064 vbus_ext->cmdext_list = ext; 1065 1066 if (bus_dmamap_create(vbus_ext->io_dmat, 0, &ext->dma_map)) { 1067 os_printk("Can't create dma map(%d)", i); 1068 return ; 1069 } 1070 callout_handle_init(&ext->timeout_ch); 1071 } 1072 1073 if ((devq = cam_simq_alloc(os_max_queue_comm)) == NULL) { 1074 os_printk("cam_simq_alloc failed"); 1075 return ; 1076 } 1077 1078 #if __FreeBSD_version > 700025 1079 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name, 1080 vbus_ext, 0, &Giant, os_max_queue_comm, /*tagged*/8, devq); 1081 #else 1082 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name, 1083 vbus_ext, 0, os_max_queue_comm, /*tagged*/8, devq); 1084 #endif 1085 1086 if (!vbus_ext->sim) { 1087 os_printk("cam_sim_alloc failed"); 1088 cam_simq_free(devq); 1089 return ; 1090 } 1091 1092 #if __FreeBSD_version > 700044 1093 if (xpt_bus_register(vbus_ext->sim, NULL, 0) != CAM_SUCCESS) { 1094 #else 1095 if (xpt_bus_register(vbus_ext->sim, 0) != CAM_SUCCESS) { 1096 #endif 1097 os_printk("xpt_bus_register failed"); 1098 cam_sim_free(vbus_ext->sim, /*free devq*/ TRUE); 1099 vbus_ext->sim = NULL; 1100 return ; 1101 } 1102 1103 if (xpt_create_path(&vbus_ext->path, /*periph */ NULL, 1104 cam_sim_path(vbus_ext->sim), CAM_TARGET_WILDCARD, 1105 CAM_LUN_WILDCARD) != CAM_REQ_CMP) 1106 { 1107 os_printk("xpt_create_path failed"); 1108 xpt_bus_deregister(cam_sim_path(vbus_ext->sim)); 1109 cam_sim_free(vbus_ext->sim, /*free_devq*/TRUE); 1110 vbus_ext->sim = NULL; 1111 return ; 1112 } 1113 1114 xpt_setup_ccb(&ccb.ccb_h, vbus_ext->path, /*priority*/5); 1115 ccb.ccb_h.func_code = XPT_SASYNC_CB; 1116 ccb.event_enable = AC_LOST_DEVICE; 1117 ccb.callback = hpt_async; 1118 ccb.callback_arg = vbus_ext; 1119 xpt_action((union ccb *)&ccb); 1120 1121 for (hba = vbus_ext->hba_list; hba; hba = hba->next) { 1122 int rid = 0; 1123 if ((hba->irq_res = bus_alloc_resource(hba->pcidev, 1124 SYS_RES_IRQ, &rid, 0, ~0ul, 1, RF_SHAREABLE | RF_ACTIVE)) == NULL) 1125 { 1126 os_printk("can't allocate interrupt"); 1127 return ; 1128 } 1129 1130 if (bus_setup_intr(hba->pcidev, hba->irq_res, INTR_TYPE_CAM, 1131 #if __FreeBSD_version > 700025 1132 NULL, hpt_pci_intr, vbus_ext, &hba->irq_handle)) 1133 #else 1134 hpt_pci_intr, vbus_ext, &hba->irq_handle)) 1135 #endif 1136 { 1137 os_printk("can't set up interrupt"); 1138 return ; 1139 } 1140 hba->ldm_adapter.him->intr_control(hba->ldm_adapter.him_handle, HPT_TRUE); 1141 } 1142 1143 vbus_ext->shutdown_eh = EVENTHANDLER_REGISTER(shutdown_final, 1144 hpt_shutdown_vbus, vbus_ext, SHUTDOWN_PRI_DEFAULT); 1145 if (!vbus_ext->shutdown_eh) 1146 os_printk("Shutdown event registration failed"); 1147 } 1148 1149 ldm_for_each_vbus(vbus, vbus_ext) { 1150 TASK_INIT(&vbus_ext->worker, 0, (task_fn_t *)hpt_do_tasks, vbus_ext); 1151 if (vbus_ext->tasks) 1152 TASK_ENQUEUE(&vbus_ext->worker); 1153 } 1154 1155 make_dev(&hpt_cdevsw, DRIVER_MINOR, UID_ROOT, GID_OPERATOR, 1156 S_IRUSR | S_IWUSR, "%s", driver_name); 1157 } 1158 1159 #if defined(KLD_MODULE) && (__FreeBSD_version >= 503000) 1160 1161 typedef struct driverlink *driverlink_t; 1162 struct driverlink { 1163 kobj_class_t driver; 1164 TAILQ_ENTRY(driverlink) link; /* list of drivers in devclass */ 1165 }; 1166 1167 typedef TAILQ_HEAD(driver_list, driverlink) driver_list_t; 1168 1169 struct devclass { 1170 TAILQ_ENTRY(devclass) link; 1171 devclass_t parent; /* parent in devclass hierarchy */ 1172 driver_list_t drivers; /* bus devclasses store drivers for bus */ 1173 char *name; 1174 device_t *devices; /* array of devices indexed by unit */ 1175 int maxunit; /* size of devices array */ 1176 }; 1177 1178 static void override_kernel_driver(void) 1179 { 1180 driverlink_t dl, dlfirst; 1181 driver_t *tmpdriver; 1182 devclass_t dc = devclass_find("pci"); 1183 1184 if (dc){ 1185 dlfirst = TAILQ_FIRST(&dc->drivers); 1186 for (dl = dlfirst; dl; dl = TAILQ_NEXT(dl, link)) { 1187 if(strcmp(dl->driver->name, driver_name) == 0) { 1188 tmpdriver=dl->driver; 1189 dl->driver=dlfirst->driver; 1190 dlfirst->driver=tmpdriver; 1191 break; 1192 } 1193 } 1194 } 1195 } 1196 1197 #else 1198 #define override_kernel_driver() 1199 #endif 1200 1201 static void hpt_init(void *dummy) 1202 { 1203 if (bootverbose) 1204 os_printk("%s %s", driver_name_long, driver_ver); 1205 1206 override_kernel_driver(); 1207 init_config(); 1208 1209 hpt_ich.ich_func = hpt_final_init; 1210 hpt_ich.ich_arg = NULL; 1211 if (config_intrhook_establish(&hpt_ich) != 0) { 1212 printf("%s: cannot establish configuration hook\n", 1213 driver_name_long); 1214 } 1215 1216 } 1217 SYSINIT(hptinit, SI_SUB_CONFIGURE, SI_ORDER_FIRST, hpt_init, NULL); 1218 1219 /* 1220 * CAM driver interface 1221 */ 1222 static device_method_t driver_methods[] = { 1223 /* Device interface */ 1224 DEVMETHOD(device_probe, hpt_probe), 1225 DEVMETHOD(device_attach, hpt_attach), 1226 DEVMETHOD(device_detach, hpt_detach), 1227 DEVMETHOD(device_shutdown, hpt_shutdown), 1228 DEVMETHOD_END 1229 }; 1230 1231 static driver_t hpt_pci_driver = { 1232 driver_name, 1233 driver_methods, 1234 sizeof(HBA) 1235 }; 1236 1237 static devclass_t hpt_devclass; 1238 1239 #ifndef TARGETNAME 1240 #error "no TARGETNAME found" 1241 #endif 1242 1243 /* use this to make TARGETNAME be expanded */ 1244 #define __DRIVER_MODULE(p1, p2, p3, p4, p5, p6) DRIVER_MODULE(p1, p2, p3, p4, p5, p6) 1245 #define __MODULE_VERSION(p1, p2) MODULE_VERSION(p1, p2) 1246 #define __MODULE_DEPEND(p1, p2, p3, p4, p5) MODULE_DEPEND(p1, p2, p3, p4, p5) 1247 __DRIVER_MODULE(TARGETNAME, pci, hpt_pci_driver, hpt_devclass, 0, 0); 1248 __MODULE_VERSION(TARGETNAME, 1); 1249 __MODULE_DEPEND(TARGETNAME, cam, 1, 1, 1); 1250 1251 #if __FreeBSD_version>503000 1252 typedef struct cdev * ioctl_dev_t; 1253 #else 1254 typedef dev_t ioctl_dev_t; 1255 #endif 1256 1257 #if __FreeBSD_version >= 500000 1258 typedef struct thread * ioctl_thread_t; 1259 #else 1260 typedef struct proc * ioctl_thread_t; 1261 #endif 1262 1263 static int hpt_open(ioctl_dev_t dev, int flags, int devtype, ioctl_thread_t td) 1264 { 1265 return 0; 1266 } 1267 1268 static int hpt_close(ioctl_dev_t dev, int flags, int devtype, ioctl_thread_t td) 1269 { 1270 return 0; 1271 } 1272 1273 static int hpt_ioctl(ioctl_dev_t dev, u_long cmd, caddr_t data, int fflag, ioctl_thread_t td) 1274 { 1275 PHPT_IOCTL_PARAM piop=(PHPT_IOCTL_PARAM)data; 1276 IOCTL_ARG ioctl_args; 1277 HPT_U32 bytesReturned; 1278 1279 switch (cmd){ 1280 case HPT_DO_IOCONTROL: 1281 { 1282 if (piop->Magic == HPT_IOCTL_MAGIC || piop->Magic == HPT_IOCTL_MAGIC32) { 1283 KdPrint(("ioctl=%x in=%p len=%d out=%p len=%d\n", 1284 piop->dwIoControlCode, 1285 piop->lpInBuffer, 1286 piop->nInBufferSize, 1287 piop->lpOutBuffer, 1288 piop->nOutBufferSize)); 1289 1290 memset(&ioctl_args, 0, sizeof(ioctl_args)); 1291 1292 ioctl_args.dwIoControlCode = piop->dwIoControlCode; 1293 ioctl_args.nInBufferSize = piop->nInBufferSize; 1294 ioctl_args.nOutBufferSize = piop->nOutBufferSize; 1295 ioctl_args.lpBytesReturned = &bytesReturned; 1296 1297 if (ioctl_args.nInBufferSize) { 1298 ioctl_args.lpInBuffer = malloc(ioctl_args.nInBufferSize, M_DEVBUF, M_WAITOK); 1299 if (!ioctl_args.lpInBuffer) 1300 goto invalid; 1301 if (copyin((void*)piop->lpInBuffer, 1302 ioctl_args.lpInBuffer, piop->nInBufferSize)) 1303 goto invalid; 1304 } 1305 1306 if (ioctl_args.nOutBufferSize) { 1307 ioctl_args.lpOutBuffer = malloc(ioctl_args.nOutBufferSize, M_DEVBUF, M_WAITOK); 1308 if (!ioctl_args.lpOutBuffer) 1309 goto invalid; 1310 } 1311 1312 #if (__FreeBSD_version >= 500000) 1313 mtx_lock(&Giant); 1314 #endif 1315 1316 hpt_do_ioctl(&ioctl_args); 1317 1318 #if (__FreeBSD_version >= 500000) 1319 mtx_unlock(&Giant); 1320 #endif 1321 1322 if (ioctl_args.result==HPT_IOCTL_RESULT_OK) { 1323 if (piop->nOutBufferSize) { 1324 if (copyout(ioctl_args.lpOutBuffer, 1325 (void*)piop->lpOutBuffer, piop->nOutBufferSize)) 1326 goto invalid; 1327 } 1328 if (piop->lpBytesReturned) { 1329 if (copyout(&bytesReturned, 1330 (void*)piop->lpBytesReturned, sizeof(HPT_U32))) 1331 goto invalid; 1332 } 1333 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF); 1334 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF); 1335 return 0; 1336 } 1337 invalid: 1338 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF); 1339 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF); 1340 return EFAULT; 1341 } 1342 return EFAULT; 1343 } 1344 1345 case HPT_SCAN_BUS: 1346 { 1347 return hpt_rescan_bus(); 1348 } 1349 default: 1350 KdPrint(("invalid command!")); 1351 return EFAULT; 1352 } 1353 1354 } 1355 1356 static int hpt_rescan_bus(void) 1357 { 1358 union ccb *ccb; 1359 PVBUS vbus; 1360 PVBUS_EXT vbus_ext; 1361 1362 #if (__FreeBSD_version >= 500000) 1363 mtx_lock(&Giant); 1364 #endif 1365 1366 ldm_for_each_vbus(vbus, vbus_ext) { 1367 if ((ccb = xpt_alloc_ccb()) == NULL) 1368 return(ENOMEM); 1369 if (xpt_create_path(&ccb->ccb_h.path, NULL, 1370 cam_sim_path(vbus_ext->sim), 1371 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 1372 xpt_free_ccb(ccb); 1373 return(EIO); 1374 } 1375 xpt_rescan(ccb); 1376 } 1377 1378 #if (__FreeBSD_version >= 500000) 1379 mtx_unlock(&Giant); 1380 #endif 1381 1382 return(0); 1383 }
Cache object: f1161e8b03eaf9bc078f7b40bff444b4
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