Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]
FreeBSD/Linux Kernel Cross Reference
sys/dev/raid/hptrr/hptrr_osm_bsd.c
Version:
- FREEBSD - FREEBSD-13-STABLE - FREEBSD-13-0 - FREEBSD-12-STABLE - FREEBSD-12-0 - FREEBSD-11-STABLE - FREEBSD-11-0 - FREEBSD-10-STABLE - FREEBSD-10-0 - FREEBSD-9-STABLE - FREEBSD-9-0 - FREEBSD-8-STABLE - FREEBSD-8-0 - FREEBSD-7-STABLE - FREEBSD-7-0 - FREEBSD-6-STABLE - FREEBSD-6-0 - FREEBSD-5-STABLE - FREEBSD-5-0 - FREEBSD-4-STABLE - FREEBSD-3-STABLE - FREEBSD22 - l41 - OPENBSD - linux-2.6 - MK84 - PLAN9 - xnu-8792
SearchContext: - none - 3 - 10
SearchContext: - none - 3 - 10
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 * $FreeBSD: src/sys/dev/hptrr/hptrr_osm_bsd.c,v 1.10 2012/06/17 02:46:27 eadler Exp $ 27 */ 28 29 #include <dev/raid/hptrr/hptrr_config.h> 30 /* $Id: osm_bsd.c,v 1.27 2007/11/22 07:35:49 gmm Exp $ 31 * 32 * HighPoint RAID Driver for FreeBSD 33 * Copyright (C) 2005 HighPoint Technologies, Inc. All Rights Reserved. 34 */ 35 #include <dev/raid/hptrr/os_bsd.h> 36 #include <dev/raid/hptrr/hptintf.h> 37 38 static int attach_generic = 0; 39 TUNABLE_INT("hw.hptrr.attach_generic", &attach_generic); 40 41 static int hpt_probe(device_t dev) 42 { 43 PCI_ID pci_id; 44 HIM *him; 45 int i; 46 PHBA hba; 47 48 /* Some of supported chips are used not only by HPT. */ 49 if (pci_get_vendor(dev) != 0x1103 && !attach_generic) 50 return (ENXIO); 51 for (him = him_list; him; him = him->next) { 52 for (i=0; him->get_supported_device_id(i, &pci_id); i++) { 53 if ((pci_get_vendor(dev) == pci_id.vid) && 54 (pci_get_device(dev) == pci_id.did)){ 55 KdPrint(("hpt_probe: adapter at PCI %d:%d:%d, IRQ %d", 56 pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev), pci_get_irq(dev) 57 )); 58 device_set_desc(dev, him->name); 59 hba = (PHBA)device_get_softc(dev); 60 memset(hba, 0, sizeof(HBA)); 61 hba->ext_type = EXT_TYPE_HBA; 62 hba->ldm_adapter.him = him; 63 return 0; 64 } 65 } 66 } 67 68 return (ENXIO); 69 } 70 71 static int hpt_attach(device_t dev) 72 { 73 PHBA hba = (PHBA)device_get_softc(dev); 74 HIM *him = hba->ldm_adapter.him; 75 PCI_ID pci_id; 76 HPT_UINT size; 77 PVBUS vbus; 78 PVBUS_EXT vbus_ext; 79 80 KdPrint(("hpt_attach(%d/%d/%d)", pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev))); 81 82 pci_enable_busmaster(dev); 83 84 pci_id.vid = pci_get_vendor(dev); 85 pci_id.did = pci_get_device(dev); 86 pci_id.rev = pci_get_revid(dev); 87 88 size = him->get_adapter_size(&pci_id); 89 hba->ldm_adapter.him_handle = kmalloc(size, M_DEVBUF, M_WAITOK); 90 if (!hba->ldm_adapter.him_handle) 91 return ENXIO; 92 93 hba->pcidev = dev; 94 hba->pciaddr.tree = 0; 95 hba->pciaddr.bus = pci_get_bus(dev); 96 hba->pciaddr.device = pci_get_slot(dev); 97 hba->pciaddr.function = pci_get_function(dev); 98 99 if (!him->create_adapter(&pci_id, hba->pciaddr, hba->ldm_adapter.him_handle, hba)) { 100 kfree(hba->ldm_adapter.him_handle, M_DEVBUF); 101 return -1; 102 } 103 104 os_printk("adapter at PCI %d:%d:%d, IRQ %d", 105 hba->pciaddr.bus, hba->pciaddr.device, hba->pciaddr.function, pci_get_irq(dev)); 106 107 if (!ldm_register_adapter(&hba->ldm_adapter)) { 108 size = ldm_get_vbus_size(); 109 vbus_ext = kmalloc(sizeof(VBUS_EXT) + size, M_DEVBUF, M_WAITOK); 110 memset(vbus_ext, 0, sizeof(VBUS_EXT)); 111 vbus_ext->ext_type = EXT_TYPE_VBUS; 112 ldm_create_vbus((PVBUS)vbus_ext->vbus, vbus_ext); 113 ldm_register_adapter(&hba->ldm_adapter); 114 } 115 116 ldm_for_each_vbus(vbus, vbus_ext) { 117 if (hba->ldm_adapter.vbus==vbus) { 118 hba->vbus_ext = vbus_ext; 119 hba->next = vbus_ext->hba_list; 120 vbus_ext->hba_list = hba; 121 break; 122 } 123 } 124 return 0; 125 } 126 127 /* 128 * Maybe we'd better to use the bus_dmamem_alloc to alloc DMA memory, 129 * but there are some problems currently (alignment, etc). 130 */ 131 static __inline void *__get_free_pages(int order) 132 { 133 /* don't use low memory - other devices may get starved */ 134 return contigmalloc(PAGE_SIZE<<order, 135 M_DEVBUF, M_WAITOK, BUS_SPACE_MAXADDR_24BIT, BUS_SPACE_MAXADDR, PAGE_SIZE, 0); 136 } 137 138 static __inline void free_pages(void *p, int order) 139 { 140 contigfree(p, PAGE_SIZE<<order, M_DEVBUF); 141 } 142 143 static int hpt_alloc_mem(PVBUS_EXT vbus_ext) 144 { 145 PHBA hba; 146 struct freelist *f; 147 HPT_UINT i; 148 void **p; 149 150 for (hba = vbus_ext->hba_list; hba; hba = hba->next) 151 hba->ldm_adapter.him->get_meminfo(hba->ldm_adapter.him_handle); 152 153 ldm_get_mem_info((PVBUS)vbus_ext->vbus, 0); 154 155 for (f=vbus_ext->freelist_head; f; f=f->next) { 156 KdPrint(("%s: %d*%d=%d bytes", 157 f->tag, f->count, f->size, f->count*f->size)); 158 for (i=0; i<f->count; i++) { 159 p = (void **)kmalloc(f->size, M_DEVBUF, M_WAITOK); 160 if (!p) return (ENXIO); 161 *p = f->head; 162 f->head = p; 163 } 164 } 165 166 for (f=vbus_ext->freelist_dma_head; f; f=f->next) { 167 int order, size, j; 168 169 HPT_ASSERT((f->size & (f->alignment-1))==0); 170 171 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) ; 172 173 KdPrint(("%s: %d*%d=%d bytes, order %d", 174 f->tag, f->count, f->size, f->count*f->size, order)); 175 HPT_ASSERT(f->alignment<=PAGE_SIZE); 176 177 for (i=0; i<f->count;) { 178 p = (void **)__get_free_pages(order); 179 if (!p) return -1; 180 for (j = size/f->size; j && i<f->count; i++,j--) { 181 *p = f->head; 182 *(BUS_ADDRESS *)(p+1) = (BUS_ADDRESS)vtophys(p); 183 f->head = p; 184 p = (void **)((unsigned long)p + f->size); 185 } 186 } 187 } 188 189 HPT_ASSERT(PAGE_SIZE==DMAPOOL_PAGE_SIZE); 190 191 for (i=0; i<os_max_cache_pages; i++) { 192 p = (void **)__get_free_pages(0); 193 if (!p) return -1; 194 HPT_ASSERT(((HPT_UPTR)p & (DMAPOOL_PAGE_SIZE-1))==0); 195 dmapool_put_page((PVBUS)vbus_ext->vbus, p, (BUS_ADDRESS)vtophys(p)); 196 } 197 198 return 0; 199 } 200 201 static void hpt_free_mem(PVBUS_EXT vbus_ext) 202 { 203 struct freelist *f; 204 void *p; 205 int i; 206 BUS_ADDRESS bus; 207 208 for (f=vbus_ext->freelist_head; f; f=f->next) { 209 #if DBG 210 if (f->count!=f->reserved_count) { 211 KdPrint(("memory leak for freelist %s (%d/%d)", f->tag, f->count, f->reserved_count)); 212 } 213 #endif 214 while ((p=freelist_get(f))) 215 kfree(p, M_DEVBUF); 216 } 217 218 for (i=0; i<os_max_cache_pages; i++) { 219 p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus); 220 HPT_ASSERT(p); 221 free_pages(p, 0); 222 } 223 224 for (f=vbus_ext->freelist_dma_head; f; f=f->next) { 225 int order, size; 226 #if DBG 227 if (f->count!=f->reserved_count) { 228 KdPrint(("memory leak for dma freelist %s (%d/%d)", f->tag, f->count, f->reserved_count)); 229 } 230 #endif 231 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) ; 232 233 while ((p=freelist_get_dma(f, &bus))) { 234 if (order) 235 free_pages(p, order); 236 else { 237 /* can't free immediately since other blocks in this page may still be in the list */ 238 if (((HPT_UPTR)p & (PAGE_SIZE-1))==0) 239 dmapool_put_page((PVBUS)vbus_ext->vbus, p, bus); 240 } 241 } 242 } 243 244 while ((p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus))) 245 free_pages(p, 0); 246 } 247 248 static int hpt_init_vbus(PVBUS_EXT vbus_ext) 249 { 250 PHBA hba; 251 252 for (hba = vbus_ext->hba_list; hba; hba = hba->next) 253 if (!hba->ldm_adapter.him->initialize(hba->ldm_adapter.him_handle)) { 254 KdPrint(("fail to initialize %p", hba)); 255 return -1; 256 } 257 258 ldm_initialize_vbus((PVBUS)vbus_ext->vbus, &vbus_ext->hba_list->ldm_adapter); 259 return 0; 260 } 261 262 static void hpt_flush_done(PCOMMAND pCmd) 263 { 264 PVDEV vd = pCmd->target; 265 266 if (mIsArray(vd->type) && vd->u.array.transform && vd!=vd->u.array.transform->target) { 267 vd = vd->u.array.transform->target; 268 HPT_ASSERT(vd); 269 pCmd->target = vd; 270 pCmd->Result = RETURN_PENDING; 271 vdev_queue_cmd(pCmd); 272 return; 273 } 274 275 *(int *)pCmd->priv = 1; 276 wakeup(pCmd); 277 } 278 279 /* 280 * flush a vdev (without retry). 281 */ 282 static int hpt_flush_vdev(PVBUS_EXT vbus_ext, PVDEV vd) 283 { 284 PCOMMAND pCmd; 285 int result = 0, done; 286 HPT_UINT count; 287 288 KdPrint(("flusing dev %p", vd)); 289 290 hpt_lock_vbus(vbus_ext); 291 292 if (mIsArray(vd->type) && vd->u.array.transform) 293 count = MAX(vd->u.array.transform->source->cmds_per_request, 294 vd->u.array.transform->target->cmds_per_request); 295 else 296 count = vd->cmds_per_request; 297 298 pCmd = ldm_alloc_cmds(vd->vbus, count); 299 300 if (!pCmd) { 301 hpt_unlock_vbus(vbus_ext); 302 return -1; 303 } 304 305 pCmd->type = CMD_TYPE_FLUSH; 306 pCmd->flags.hard_flush = 1; 307 pCmd->target = vd; 308 pCmd->done = hpt_flush_done; 309 done = 0; 310 pCmd->priv = &done; 311 312 ldm_queue_cmd(pCmd); 313 314 if (!done) { 315 while (hpt_sleep(vbus_ext, pCmd, 0, "hptfls", HPT_OSM_TIMEOUT)) { 316 ldm_reset_vbus(vd->vbus); 317 } 318 } 319 320 KdPrint(("flush result %d", pCmd->Result)); 321 322 if (pCmd->Result!=RETURN_SUCCESS) 323 result = -1; 324 325 ldm_free_cmds(pCmd); 326 327 hpt_unlock_vbus(vbus_ext); 328 329 return result; 330 } 331 332 static void hpt_stop_tasks(PVBUS_EXT vbus_ext); 333 static void hpt_shutdown_vbus(PVBUS_EXT vbus_ext, int howto) 334 { 335 PVBUS vbus = (PVBUS)vbus_ext->vbus; 336 PHBA hba; 337 int i; 338 339 KdPrint(("hpt_shutdown_vbus")); 340 341 /* stop all ctl tasks and disable the worker taskqueue */ 342 hpt_stop_tasks(vbus_ext); 343 vbus_ext->worker.ta_context = NULL; 344 345 /* flush devices */ 346 for (i=0; i<osm_max_targets; i++) { 347 PVDEV vd = ldm_find_target(vbus, i); 348 if (vd) { 349 /* retry once */ 350 if (hpt_flush_vdev(vbus_ext, vd)) 351 hpt_flush_vdev(vbus_ext, vd); 352 } 353 } 354 355 hpt_lock_vbus(vbus_ext); 356 ldm_shutdown(vbus); 357 hpt_unlock_vbus(vbus_ext); 358 359 ldm_release_vbus(vbus); 360 361 for (hba=vbus_ext->hba_list; hba; hba=hba->next) 362 bus_teardown_intr(hba->pcidev, hba->irq_res, hba->irq_handle); 363 364 hpt_free_mem(vbus_ext); 365 366 while ((hba=vbus_ext->hba_list)) { 367 vbus_ext->hba_list = hba->next; 368 kfree(hba->ldm_adapter.him_handle, M_DEVBUF); 369 } 370 371 kfree(vbus_ext, M_DEVBUF); 372 KdPrint(("hpt_shutdown_vbus done")); 373 } 374 375 static void __hpt_do_tasks(PVBUS_EXT vbus_ext) 376 { 377 OSM_TASK *tasks; 378 379 tasks = vbus_ext->tasks; 380 vbus_ext->tasks = NULL; 381 382 while (tasks) { 383 OSM_TASK *t = tasks; 384 tasks = t->next; 385 t->next = NULL; 386 t->func(vbus_ext->vbus, t->data); 387 } 388 } 389 390 static void hpt_do_tasks(PVBUS_EXT vbus_ext, int pending) 391 { 392 if(vbus_ext){ 393 hpt_lock_vbus(vbus_ext); 394 __hpt_do_tasks(vbus_ext); 395 hpt_unlock_vbus(vbus_ext); 396 } 397 } 398 399 static void hpt_action(struct cam_sim *sim, union ccb *ccb); 400 static void hpt_poll(struct cam_sim *sim); 401 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg); 402 static void hpt_pci_intr(void *arg); 403 404 static __inline POS_CMDEXT cmdext_get(PVBUS_EXT vbus_ext) 405 { 406 POS_CMDEXT p = vbus_ext->cmdext_list; 407 if (p) 408 vbus_ext->cmdext_list = p->next; 409 return p; 410 } 411 412 static __inline void cmdext_put(POS_CMDEXT p) 413 { 414 p->next = p->vbus_ext->cmdext_list; 415 p->vbus_ext->cmdext_list = p; 416 } 417 418 static void hpt_timeout(void *arg) 419 { 420 PCOMMAND pCmd = (PCOMMAND)arg; 421 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv; 422 423 KdPrint(("pCmd %p timeout", pCmd)); 424 425 ldm_reset_vbus((PVBUS)ext->vbus_ext->vbus); 426 } 427 428 static void os_cmddone(PCOMMAND pCmd) 429 { 430 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv; 431 union ccb *ccb = ext->ccb; 432 433 KdPrint(("os_cmddone(%p, %d)", pCmd, pCmd->Result)); 434 435 callout_stop(&ccb->ccb_h.timeout_ch); 436 437 switch(pCmd->Result) { 438 case RETURN_SUCCESS: 439 ccb->ccb_h.status = CAM_REQ_CMP; 440 break; 441 case RETURN_BAD_DEVICE: 442 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 443 break; 444 case RETURN_DEVICE_BUSY: 445 ccb->ccb_h.status = CAM_BUSY; 446 break; 447 case RETURN_INVALID_REQUEST: 448 ccb->ccb_h.status = CAM_REQ_INVALID; 449 break; 450 case RETURN_SELECTION_TIMEOUT: 451 ccb->ccb_h.status = CAM_SEL_TIMEOUT; 452 break; 453 case RETURN_RETRY: 454 ccb->ccb_h.status = CAM_BUSY; 455 break; 456 default: 457 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR; 458 break; 459 } 460 461 if (pCmd->flags.data_in) { 462 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTREAD); 463 } 464 else if (pCmd->flags.data_out) { 465 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTWRITE); 466 } 467 468 bus_dmamap_unload(ext->vbus_ext->io_dmat, ext->dma_map); 469 470 cmdext_put(ext); 471 ldm_free_cmds(pCmd); 472 xpt_done(ccb); 473 } 474 475 static int os_buildsgl(PCOMMAND pCmd, PSG pSg, int logical) 476 { 477 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv; 478 union ccb *ccb = ext->ccb; 479 bus_dma_segment_t *sgList = (bus_dma_segment_t *)ccb->csio.data_ptr; 480 int idx; 481 482 if(logical) { 483 if (ccb->ccb_h.flags & CAM_DATA_PHYS) 484 panic("physical address unsupported"); 485 486 if (ccb->ccb_h.flags & CAM_SCATTER_VALID) { 487 if (ccb->ccb_h.flags & CAM_SG_LIST_PHYS) 488 panic("physical address unsupported"); 489 490 for (idx = 0; idx < ccb->csio.sglist_cnt; idx++) { 491 os_set_sgptr(&pSg[idx], (HPT_U8 *)(HPT_UPTR)sgList[idx].ds_addr); 492 pSg[idx].size = sgList[idx].ds_len; 493 pSg[idx].eot = (idx==ccb->csio.sglist_cnt-1)? 1 : 0; 494 } 495 } 496 else { 497 os_set_sgptr(pSg, (HPT_U8 *)ccb->csio.data_ptr); 498 pSg->size = ccb->csio.dxfer_len; 499 pSg->eot = 1; 500 } 501 return TRUE; 502 } 503 504 /* since we have provided physical sg, nobody will ask us to build physical sg */ 505 HPT_ASSERT(0); 506 return FALSE; 507 } 508 509 static void hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 510 { 511 PCOMMAND pCmd = (PCOMMAND)arg; 512 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv; 513 PSG psg = pCmd->psg; 514 int idx; 515 516 HPT_ASSERT(pCmd->flags.physical_sg); 517 518 if (error || nsegs == 0) 519 panic("busdma error"); 520 521 HPT_ASSERT(nsegs<=os_max_sg_descriptors); 522 523 for (idx = 0; idx < nsegs; idx++, psg++) { 524 psg->addr.bus = segs[idx].ds_addr; 525 psg->size = segs[idx].ds_len; 526 psg->eot = 0; 527 } 528 psg[-1].eot = 1; 529 530 if (pCmd->flags.data_in) { 531 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_PREREAD); 532 } 533 else if (pCmd->flags.data_out) { 534 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_PREWRITE); 535 } 536 537 callout_reset(&ext->ccb->ccb_h.timeout_ch, HPT_OSM_TIMEOUT, hpt_timeout, pCmd); 538 ldm_queue_cmd(pCmd); 539 } 540 541 static void hpt_scsi_io(PVBUS_EXT vbus_ext, union ccb *ccb) 542 { 543 PVBUS vbus = (PVBUS)vbus_ext->vbus; 544 PVDEV vd; 545 PCOMMAND pCmd; 546 POS_CMDEXT ext; 547 HPT_U8 *cdb; 548 549 if (ccb->ccb_h.flags & CAM_CDB_POINTER) 550 cdb = ccb->csio.cdb_io.cdb_ptr; 551 else 552 cdb = ccb->csio.cdb_io.cdb_bytes; 553 554 KdPrint(("hpt_scsi_io: ccb %x id %d lun %d cdb %x-%x-%x", 555 ccb, 556 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 557 *(HPT_U32 *)&cdb[0], *(HPT_U32 *)&cdb[4], *(HPT_U32 *)&cdb[8] 558 )); 559 560 /* ccb->ccb_h.path_id is not our bus id - don't check it */ 561 if (ccb->ccb_h.target_lun != 0 || 562 ccb->ccb_h.target_id >= osm_max_targets || 563 (ccb->ccb_h.flags & CAM_CDB_PHYS)) 564 { 565 ccb->ccb_h.status = CAM_TID_INVALID; 566 xpt_done(ccb); 567 return; 568 } 569 570 vd = ldm_find_target(vbus, ccb->ccb_h.target_id); 571 572 if (!vd) { 573 ccb->ccb_h.status = CAM_TID_INVALID; 574 xpt_done(ccb); 575 return; 576 } 577 578 switch (cdb[0]) { 579 case TEST_UNIT_READY: 580 case START_STOP_UNIT: 581 case SYNCHRONIZE_CACHE: 582 ccb->ccb_h.status = CAM_REQ_CMP; 583 break; 584 585 case INQUIRY: 586 { 587 PINQUIRYDATA inquiryData; 588 memset(ccb->csio.data_ptr, 0, ccb->csio.dxfer_len); 589 inquiryData = (PINQUIRYDATA)ccb->csio.data_ptr; 590 591 inquiryData->AdditionalLength = 31; 592 inquiryData->CommandQueue = 1; 593 memcpy(&inquiryData->VendorId, "HPT ", 8); 594 memcpy(&inquiryData->ProductId, "DISK 0_0 ", 16); 595 596 if (vd->target_id / 10) { 597 inquiryData->ProductId[7] = (vd->target_id % 100) / 10 + ''; 598 inquiryData->ProductId[8] = (vd->target_id % 100) % 10 + ''; 599 } 600 else 601 inquiryData->ProductId[7] = (vd->target_id % 100) % 10 + ''; 602 603 memcpy(&inquiryData->ProductRevisionLevel, "4.00", 4); 604 605 ccb->ccb_h.status = CAM_REQ_CMP; 606 } 607 break; 608 609 case READ_CAPACITY: 610 { 611 HPT_U8 *rbuf = ccb->csio.data_ptr; 612 HPT_U32 cap; 613 614 if (vd->capacity>0xfffffffful) 615 cap = 0xfffffffful; 616 else 617 cap = vd->capacity - 1; 618 619 rbuf[0] = (HPT_U8)(cap>>24); 620 rbuf[1] = (HPT_U8)(cap>>16); 621 rbuf[2] = (HPT_U8)(cap>>8); 622 rbuf[3] = (HPT_U8)cap; 623 rbuf[4] = 0; 624 rbuf[5] = 0; 625 rbuf[6] = 2; 626 rbuf[7] = 0; 627 628 ccb->ccb_h.status = CAM_REQ_CMP; 629 break; 630 } 631 632 case SERVICE_ACTION_IN: 633 { 634 HPT_U8 *rbuf = ccb->csio.data_ptr; 635 HPT_U64 cap = vd->capacity - 1; 636 637 rbuf[0] = (HPT_U8)(cap>>56); 638 rbuf[1] = (HPT_U8)(cap>>48); 639 rbuf[2] = (HPT_U8)(cap>>40); 640 rbuf[3] = (HPT_U8)(cap>>32); 641 rbuf[4] = (HPT_U8)(cap>>24); 642 rbuf[5] = (HPT_U8)(cap>>16); 643 rbuf[6] = (HPT_U8)(cap>>8); 644 rbuf[7] = (HPT_U8)cap; 645 rbuf[8] = 0; 646 rbuf[9] = 0; 647 rbuf[10] = 2; 648 rbuf[11] = 0; 649 650 ccb->ccb_h.status = CAM_REQ_CMP; 651 break; 652 } 653 654 case READ_6: 655 case READ_10: 656 case READ_16: 657 case WRITE_6: 658 case WRITE_10: 659 case WRITE_16: 660 case 0x13: 661 case 0x2f: 662 { 663 pCmd = ldm_alloc_cmds(vbus, vd->cmds_per_request); 664 if(!pCmd){ 665 KdPrint(("Failed to allocate command!")); 666 ccb->ccb_h.status = CAM_BUSY; 667 break; 668 } 669 670 switch (cdb[0]) { 671 case READ_6: 672 case WRITE_6: 673 case 0x13: 674 pCmd->uCmd.Ide.Lba = ((HPT_U32)cdb[1] << 16) | ((HPT_U32)cdb[2] << 8) | (HPT_U32)cdb[3]; 675 pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[4]; 676 break; 677 case READ_16: 678 case WRITE_16: 679 { 680 HPT_U64 block = 681 ((HPT_U64)cdb[2]<<56) | 682 ((HPT_U64)cdb[3]<<48) | 683 ((HPT_U64)cdb[4]<<40) | 684 ((HPT_U64)cdb[5]<<32) | 685 ((HPT_U64)cdb[6]<<24) | 686 ((HPT_U64)cdb[7]<<16) | 687 ((HPT_U64)cdb[8]<<8) | 688 ((HPT_U64)cdb[9]); 689 pCmd->uCmd.Ide.Lba = block; 690 pCmd->uCmd.Ide.nSectors = (HPT_U16)cdb[13] | ((HPT_U16)cdb[12]<<8); 691 break; 692 } 693 694 default: 695 pCmd->uCmd.Ide.Lba = (HPT_U32)cdb[5] | ((HPT_U32)cdb[4] << 8) | ((HPT_U32)cdb[3] << 16) | ((HPT_U32)cdb[2] << 24); 696 pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[8] | ((HPT_U16)cdb[7]<<8); 697 break; 698 } 699 700 switch (cdb[0]) { 701 case READ_6: 702 case READ_10: 703 case READ_16: 704 pCmd->flags.data_in = 1; 705 break; 706 case WRITE_6: 707 case WRITE_10: 708 case WRITE_16: 709 pCmd->flags.data_out = 1; 710 break; 711 } 712 pCmd->priv = ext = cmdext_get(vbus_ext); 713 HPT_ASSERT(ext); 714 ext->ccb = ccb; 715 pCmd->target = vd; 716 pCmd->done = os_cmddone; 717 pCmd->buildsgl = os_buildsgl; 718 719 pCmd->psg = ext->psg; 720 721 if (ccb->ccb_h.flags & CAM_SCATTER_VALID) { 722 int idx; 723 bus_dma_segment_t *sgList = (bus_dma_segment_t *)ccb->csio.data_ptr; 724 725 if (ccb->ccb_h.flags & CAM_SG_LIST_PHYS) 726 pCmd->flags.physical_sg = 1; 727 728 for (idx = 0; idx < ccb->csio.sglist_cnt; idx++) { 729 pCmd->psg[idx].addr.bus = sgList[idx].ds_addr; 730 pCmd->psg[idx].size = sgList[idx].ds_len; 731 pCmd->psg[idx].eot = (idx==ccb->csio.sglist_cnt-1)? 1 : 0; 732 } 733 734 callout_reset(&ccb->ccb_h.timeout_ch, HPT_OSM_TIMEOUT, hpt_timeout, pCmd); 735 ldm_queue_cmd(pCmd); 736 } 737 else { 738 int error; 739 pCmd->flags.physical_sg = 1; 740 error = bus_dmamap_load(vbus_ext->io_dmat, 741 ext->dma_map, 742 ccb->csio.data_ptr, ccb->csio.dxfer_len, 743 hpt_io_dmamap_callback, pCmd, 744 BUS_DMA_WAITOK 745 ); 746 KdPrint(("bus_dmamap_load return %d", error)); 747 if (error && error!=EINPROGRESS) { 748 os_printk("bus_dmamap_load error %d", error); 749 cmdext_put(ext); 750 ldm_free_cmds(pCmd); 751 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 752 xpt_done(ccb); 753 } 754 } 755 return; 756 } 757 758 default: 759 ccb->ccb_h.status = CAM_REQ_INVALID; 760 break; 761 } 762 763 xpt_done(ccb); 764 return; 765 } 766 767 static void hpt_action(struct cam_sim *sim, union ccb *ccb) 768 { 769 PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim); 770 771 KdPrint(("hpt_action(fn=%d, id=%d)", ccb->ccb_h.func_code, ccb->ccb_h.target_id)); 772 773 switch (ccb->ccb_h.func_code) { 774 775 case XPT_SCSI_IO: 776 hpt_lock_vbus(vbus_ext); 777 hpt_scsi_io(vbus_ext, ccb); 778 hpt_unlock_vbus(vbus_ext); 779 return; 780 781 case XPT_RESET_BUS: 782 hpt_lock_vbus(vbus_ext); 783 ldm_reset_vbus((PVBUS)vbus_ext->vbus); 784 hpt_unlock_vbus(vbus_ext); 785 break; 786 787 case XPT_GET_TRAN_SETTINGS: 788 case XPT_SET_TRAN_SETTINGS: 789 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 790 break; 791 792 case XPT_CALC_GEOMETRY: 793 cam_calc_geometry(&ccb->ccg, 1); 794 break; 795 796 case XPT_PATH_INQ: 797 { 798 struct ccb_pathinq *cpi = &ccb->cpi; 799 800 cpi->version_num = 1; 801 cpi->hba_inquiry = PI_SDTR_ABLE; 802 cpi->target_sprt = 0; 803 cpi->hba_misc = PIM_NOBUSRESET; 804 cpi->hba_eng_cnt = 0; 805 cpi->max_target = osm_max_targets; 806 cpi->max_lun = 0; 807 cpi->unit_number = cam_sim_unit(sim); 808 cpi->bus_id = cam_sim_bus(sim); 809 cpi->initiator_id = osm_max_targets; 810 cpi->base_transfer_speed = 3300; 811 812 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 813 strncpy(cpi->hba_vid, "HPT ", HBA_IDLEN); 814 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 815 cpi->transport = XPORT_SPI; 816 cpi->transport_version = 2; 817 cpi->protocol = PROTO_SCSI; 818 cpi->protocol_version = SCSI_REV_2; 819 cpi->maxio = HPTRR_DFLTPHYS; 820 cpi->ccb_h.status = CAM_REQ_CMP; 821 break; 822 } 823 824 default: 825 ccb->ccb_h.status = CAM_REQ_INVALID; 826 break; 827 } 828 829 xpt_done(ccb); 830 return; 831 } 832 833 static void hpt_pci_intr(void *arg) 834 { 835 PVBUS_EXT vbus_ext = (PVBUS_EXT)arg; 836 hpt_lock_vbus(vbus_ext); 837 ldm_intr((PVBUS)vbus_ext->vbus); 838 hpt_unlock_vbus(vbus_ext); 839 } 840 841 static void hpt_poll(struct cam_sim *sim) 842 { 843 hpt_pci_intr(cam_sim_softc(sim)); 844 } 845 846 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg) 847 { 848 KdPrint(("hpt_async")); 849 } 850 851 static int hpt_shutdown(device_t dev) 852 { 853 KdPrint(("hpt_shutdown(dev=%p)", dev)); 854 return 0; 855 } 856 857 static int hpt_detach(device_t dev) 858 { 859 /* we don't allow the driver to be unloaded. */ 860 return EBUSY; 861 } 862 863 static void hpt_ioctl_done(struct _IOCTL_ARG *arg) 864 { 865 arg->ioctl_cmnd = NULL; 866 wakeup(arg); 867 } 868 869 static void __hpt_do_ioctl(PVBUS_EXT vbus_ext, IOCTL_ARG *ioctl_args) 870 { 871 ioctl_args->result = -1; 872 ioctl_args->done = hpt_ioctl_done; 873 ioctl_args->ioctl_cmnd = (void *)1; 874 875 hpt_lock_vbus(vbus_ext); 876 ldm_ioctl((PVBUS)vbus_ext->vbus, ioctl_args); 877 878 while (ioctl_args->ioctl_cmnd) { 879 if (hpt_sleep(vbus_ext, ioctl_args, 0, "hptctl", HPT_OSM_TIMEOUT)==0) 880 break; 881 ldm_reset_vbus((PVBUS)vbus_ext->vbus); 882 __hpt_do_tasks(vbus_ext); 883 } 884 885 /* KdPrint(("ioctl %x result %d", ioctl_args->dwIoControlCode, ioctl_args->result)); */ 886 887 hpt_unlock_vbus(vbus_ext); 888 } 889 890 static void hpt_do_ioctl(IOCTL_ARG *ioctl_args) 891 { 892 PVBUS vbus; 893 PVBUS_EXT vbus_ext; 894 895 ldm_for_each_vbus(vbus, vbus_ext) { 896 __hpt_do_ioctl(vbus_ext, ioctl_args); 897 if (ioctl_args->result!=HPT_IOCTL_RESULT_WRONG_VBUS) 898 return; 899 } 900 } 901 902 #define HPT_DO_IOCTL(code, inbuf, insize, outbuf, outsize) ({\ 903 IOCTL_ARG arg;\ 904 arg.dwIoControlCode = code;\ 905 arg.lpInBuffer = inbuf;\ 906 arg.lpOutBuffer = outbuf;\ 907 arg.nInBufferSize = insize;\ 908 arg.nOutBufferSize = outsize;\ 909 arg.lpBytesReturned = NULL;\ 910 hpt_do_ioctl(&arg);\ 911 arg.result;\ 912 }) 913 914 #define DEVICEID_VALID(id) ((id) && ((HPT_U32)(id)!=0xffffffff)) 915 916 static int hpt_get_logical_devices(DEVICEID * pIds, int nMaxCount) 917 { 918 int i; 919 HPT_U32 count = nMaxCount-1; 920 921 if (HPT_DO_IOCTL(HPT_IOCTL_GET_LOGICAL_DEVICES, 922 &count, sizeof(HPT_U32), pIds, sizeof(DEVICEID)*nMaxCount)) 923 return -1; 924 925 nMaxCount = (int)pIds[0]; 926 for (i=0; i<nMaxCount; i++) pIds[i] = pIds[i+1]; 927 return nMaxCount; 928 } 929 930 static int hpt_get_device_info_v3(DEVICEID id, PLOGICAL_DEVICE_INFO_V3 pInfo) 931 { 932 return HPT_DO_IOCTL(HPT_IOCTL_GET_DEVICE_INFO_V3, 933 &id, sizeof(DEVICEID), pInfo, sizeof(LOGICAL_DEVICE_INFO_V3)); 934 } 935 936 /* not belong to this file logically, but we want to use ioctl interface */ 937 static int __hpt_stop_tasks(PVBUS_EXT vbus_ext, DEVICEID id) 938 { 939 LOGICAL_DEVICE_INFO_V3 devinfo; 940 int i, result; 941 DEVICEID param[2] = { id, 0 }; 942 943 if (hpt_get_device_info_v3(id, &devinfo)) 944 return -1; 945 946 if (devinfo.Type!=LDT_ARRAY) 947 return -1; 948 949 if (devinfo.u.array.Flags & ARRAY_FLAG_REBUILDING) 950 param[1] = AS_REBUILD_ABORT; 951 else if (devinfo.u.array.Flags & ARRAY_FLAG_VERIFYING) 952 param[1] = AS_VERIFY_ABORT; 953 else if (devinfo.u.array.Flags & ARRAY_FLAG_INITIALIZING) 954 param[1] = AS_INITIALIZE_ABORT; 955 else if (devinfo.u.array.Flags & ARRAY_FLAG_TRANSFORMING) 956 param[1] = AS_TRANSFORM_ABORT; 957 else 958 return -1; 959 960 KdPrint(("SET_ARRAY_STATE(%x, %d)", param[0], param[1])); 961 result = HPT_DO_IOCTL(HPT_IOCTL_SET_ARRAY_STATE, 962 param, sizeof(param), NULL, 0); 963 964 for (i=0; i<devinfo.u.array.nDisk; i++) 965 if (DEVICEID_VALID(devinfo.u.array.Members[i])) 966 __hpt_stop_tasks(vbus_ext, devinfo.u.array.Members[i]); 967 968 return result; 969 } 970 971 static void hpt_stop_tasks(PVBUS_EXT vbus_ext) 972 { 973 DEVICEID ids[32]; 974 int i, count; 975 976 count = hpt_get_logical_devices((DEVICEID *)&ids, sizeof(ids)/sizeof(ids[0])); 977 978 for (i=0; i<count; i++) 979 __hpt_stop_tasks(vbus_ext, ids[i]); 980 } 981 982 static d_open_t hpt_open; 983 static d_close_t hpt_close; 984 static d_ioctl_t hpt_ioctl; 985 static int hpt_rescan_bus(void); 986 static void hpt_rescan_callback(struct cam_periph *periph, union ccb *ccb); 987 988 static struct dev_ops hpt_ops = { 989 { driver_name, 0, 0 }, 990 .d_open = hpt_open, 991 .d_close = hpt_close, 992 .d_ioctl = hpt_ioctl, 993 }; 994 995 static struct intr_config_hook hpt_ich; 996 997 /* 998 * hpt_final_init will be called after all hpt_attach. 999 */ 1000 static void hpt_final_init(void *dummy) 1001 { 1002 int i; 1003 PVBUS_EXT vbus_ext; 1004 PVBUS vbus; 1005 PHBA hba; 1006 1007 /* Clear the config hook */ 1008 config_intrhook_disestablish(&hpt_ich); 1009 1010 /* allocate memory */ 1011 i = 0; 1012 ldm_for_each_vbus(vbus, vbus_ext) { 1013 if (hpt_alloc_mem(vbus_ext)) { 1014 os_printk("out of memory"); 1015 return; 1016 } 1017 i++; 1018 } 1019 1020 if (!i) { 1021 if (bootverbose) 1022 os_printk("no controller detected."); 1023 return; 1024 } 1025 1026 /* initializing hardware */ 1027 ldm_for_each_vbus(vbus, vbus_ext) { 1028 /* make timer available here */ 1029 callout_init(&vbus_ext->timer); 1030 if (hpt_init_vbus(vbus_ext)) { 1031 os_printk("fail to initialize hardware"); 1032 break; /* FIXME */ 1033 } 1034 } 1035 1036 /* register CAM interface */ 1037 ldm_for_each_vbus(vbus, vbus_ext) { 1038 struct cam_devq *devq; 1039 struct ccb_setasync ccb; 1040 1041 lockinit(&vbus_ext->lock, "hptsleeplock", 0, LK_CANRECURSE); 1042 if (bus_dma_tag_create(NULL,/* parent */ 1043 4, /* alignment */ 1044 BUS_SPACE_MAXADDR_32BIT+1, /* boundary */ 1045 BUS_SPACE_MAXADDR, /* lowaddr */ 1046 BUS_SPACE_MAXADDR, /* highaddr */ 1047 NULL, NULL, /* filter, filterarg */ 1048 PAGE_SIZE * (os_max_sg_descriptors-1), /* maxsize */ 1049 os_max_sg_descriptors, /* nsegments */ 1050 0x10000, /* maxsegsize */ 1051 BUS_DMA_WAITOK, /* flags */ 1052 &vbus_ext->io_dmat /* tag */)) 1053 { 1054 return ; 1055 } 1056 1057 for (i=0; i<os_max_queue_comm; i++) { 1058 POS_CMDEXT ext = (POS_CMDEXT)kmalloc(sizeof(OS_CMDEXT), M_DEVBUF, M_WAITOK); 1059 if (!ext) { 1060 os_printk("Can't alloc cmdext(%d)", i); 1061 return ; 1062 } 1063 ext->vbus_ext = vbus_ext; 1064 ext->next = vbus_ext->cmdext_list; 1065 vbus_ext->cmdext_list = ext; 1066 1067 if (bus_dmamap_create(vbus_ext->io_dmat, 0, &ext->dma_map)) { 1068 os_printk("Can't create dma map(%d)", i); 1069 return ; 1070 } 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 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name, 1079 vbus_ext, 0, &sim_mplock, os_max_queue_comm, /*tagged*/8, devq); 1080 cam_simq_release(devq); 1081 1082 if (!vbus_ext->sim) { 1083 os_printk("cam_sim_alloc failed"); 1084 return ; 1085 } 1086 1087 if (xpt_bus_register(vbus_ext->sim, 0) != CAM_SUCCESS) { 1088 os_printk("xpt_bus_register failed"); 1089 cam_sim_free(vbus_ext->sim); 1090 vbus_ext->sim = NULL; 1091 return ; 1092 } 1093 1094 if (xpt_create_path(&vbus_ext->path, /*periph */ NULL, 1095 cam_sim_path(vbus_ext->sim), CAM_TARGET_WILDCARD, 1096 CAM_LUN_WILDCARD) != CAM_REQ_CMP) 1097 { 1098 os_printk("xpt_create_path failed"); 1099 xpt_bus_deregister(cam_sim_path(vbus_ext->sim)); 1100 cam_sim_free(vbus_ext->sim); 1101 vbus_ext->sim = NULL; 1102 return ; 1103 } 1104 1105 xpt_setup_ccb(&ccb.ccb_h, vbus_ext->path, /*priority*/5); 1106 ccb.ccb_h.func_code = XPT_SASYNC_CB; 1107 ccb.event_enable = AC_LOST_DEVICE; 1108 ccb.callback = hpt_async; 1109 ccb.callback_arg = vbus_ext; 1110 xpt_action((union ccb *)&ccb); 1111 1112 for (hba = vbus_ext->hba_list; hba; hba = hba->next) { 1113 int rid = 0; 1114 if ((hba->irq_res = bus_alloc_resource(hba->pcidev, 1115 SYS_RES_IRQ, &rid, 0, ~0ul, 1, RF_SHAREABLE | RF_ACTIVE)) == NULL) 1116 { 1117 os_printk("can't allocate interrupt"); 1118 return ; 1119 } 1120 1121 if (bus_setup_intr(hba->pcidev, hba->irq_res, 0, 1122 hpt_pci_intr, vbus_ext, &hba->irq_handle, NULL)) 1123 { 1124 os_printk("can't set up interrupt"); 1125 return ; 1126 } 1127 hba->ldm_adapter.him->intr_control(hba->ldm_adapter.him_handle, HPT_TRUE); 1128 } 1129 1130 vbus_ext->shutdown_eh = EVENTHANDLER_REGISTER(shutdown_final, 1131 hpt_shutdown_vbus, vbus_ext, SHUTDOWN_PRI_DEFAULT); 1132 if (!vbus_ext->shutdown_eh) 1133 os_printk("Shutdown event registration failed"); 1134 } 1135 1136 ldm_for_each_vbus(vbus, vbus_ext) { 1137 TASK_INIT(&vbus_ext->worker, 0, (task_fn_t *)hpt_do_tasks, vbus_ext); 1138 if (vbus_ext->tasks) 1139 TASK_ENQUEUE(&vbus_ext->worker); 1140 } 1141 1142 make_dev(&hpt_ops, DRIVER_MINOR, UID_ROOT, GID_OPERATOR, 1143 S_IRUSR | S_IWUSR, "%s", driver_name); 1144 } 1145 1146 #if defined(KLD_MODULE) 1147 1148 typedef struct driverlink *driverlink_t; 1149 struct driverlink { 1150 kobj_class_t driver; 1151 TAILQ_ENTRY(driverlink) link; /* list of drivers in devclass */ 1152 }; 1153 1154 typedef TAILQ_HEAD(driver_list, driverlink) driver_list_t; 1155 1156 struct devclass { 1157 TAILQ_ENTRY(devclass) link; 1158 devclass_t parent; /* parent in devclass hierarchy */ 1159 driver_list_t drivers; /* bus devclasses store drivers for bus */ 1160 char *name; 1161 device_t *devices; /* array of devices indexed by unit */ 1162 int maxunit; /* size of devices array */ 1163 }; 1164 1165 static void override_kernel_driver(void) 1166 { 1167 driverlink_t dl, dlfirst; 1168 driver_t *tmpdriver; 1169 devclass_t dc = devclass_find("pci"); 1170 1171 if (dc){ 1172 dlfirst = TAILQ_FIRST(&dc->drivers); 1173 for (dl = dlfirst; dl; dl = TAILQ_NEXT(dl, link)) { 1174 if(strcmp(dl->driver->name, driver_name) == 0) { 1175 tmpdriver=dl->driver; 1176 dl->driver=dlfirst->driver; 1177 dlfirst->driver=tmpdriver; 1178 break; 1179 } 1180 } 1181 } 1182 } 1183 1184 #else 1185 #define override_kernel_driver() 1186 #endif 1187 1188 static void hpt_init(void *dummy) 1189 { 1190 if (bootverbose) 1191 os_printk("%s %s", driver_name_long, driver_ver); 1192 1193 override_kernel_driver(); 1194 init_config(); 1195 1196 hpt_ich.ich_func = hpt_final_init; 1197 hpt_ich.ich_arg = NULL; 1198 hpt_ich.ich_desc = "hptrr"; 1199 if (config_intrhook_establish(&hpt_ich) != 0) { 1200 kprintf("%s: cannot establish configuration hook\n", 1201 driver_name_long); 1202 } 1203 1204 } 1205 SYSINIT(hptinit, SI_SUB_CONFIGURE, SI_ORDER_FIRST, hpt_init, NULL); 1206 1207 /* 1208 * CAM driver interface 1209 */ 1210 static device_method_t driver_methods[] = { 1211 /* Device interface */ 1212 DEVMETHOD(device_probe, hpt_probe), 1213 DEVMETHOD(device_attach, hpt_attach), 1214 DEVMETHOD(device_detach, hpt_detach), 1215 DEVMETHOD(device_shutdown, hpt_shutdown), 1216 DEVMETHOD_END 1217 }; 1218 1219 static driver_t hpt_pci_driver = { 1220 driver_name, 1221 driver_methods, 1222 sizeof(HBA) 1223 }; 1224 1225 static devclass_t hpt_devclass; 1226 1227 #ifndef TARGETNAME 1228 #error "no TARGETNAME found" 1229 #endif 1230 1231 /* use this to make TARGETNAME be expanded */ 1232 #define __DRIVER_MODULE(p1, p2, p3, p4, p5, p6) DRIVER_MODULE(p1, p2, p3, p4, p5, p6) 1233 #define __MODULE_VERSION(p1, p2) MODULE_VERSION(p1, p2) 1234 #define __MODULE_DEPEND(p1, p2, p3, p4, p5) MODULE_DEPEND(p1, p2, p3, p4, p5) 1235 __DRIVER_MODULE(TARGETNAME, pci, hpt_pci_driver, hpt_devclass, 0, 0); 1236 __MODULE_VERSION(TARGETNAME, 1); 1237 __MODULE_DEPEND(TARGETNAME, cam, 1, 1, 1); 1238 1239 typedef struct cdev * ioctl_dev_t; 1240 1241 typedef struct thread * ioctl_thread_t; 1242 1243 static int hpt_open(struct dev_open_args *ap) 1244 { 1245 return 0; 1246 } 1247 1248 static int hpt_close(struct dev_close_args *ap) 1249 { 1250 return 0; 1251 } 1252 1253 static int hpt_ioctl(struct dev_ioctl_args *ap) 1254 { 1255 u_long cmd = ap->a_cmd; 1256 caddr_t data = ap->a_data; 1257 PHPT_IOCTL_PARAM piop=(PHPT_IOCTL_PARAM)data; 1258 IOCTL_ARG ioctl_args; 1259 HPT_U32 bytesReturned; 1260 1261 switch (cmd){ 1262 case HPT_DO_IOCONTROL: 1263 { 1264 if (piop->Magic == HPT_IOCTL_MAGIC || piop->Magic == HPT_IOCTL_MAGIC32) { 1265 KdPrint(("ioctl=%x in=%p len=%d out=%p len=%d\n", 1266 piop->dwIoControlCode, 1267 piop->lpInBuffer, 1268 piop->nInBufferSize, 1269 piop->lpOutBuffer, 1270 piop->nOutBufferSize)); 1271 1272 memset(&ioctl_args, 0, sizeof(ioctl_args)); 1273 1274 ioctl_args.dwIoControlCode = piop->dwIoControlCode; 1275 ioctl_args.nInBufferSize = piop->nInBufferSize; 1276 ioctl_args.nOutBufferSize = piop->nOutBufferSize; 1277 ioctl_args.lpBytesReturned = &bytesReturned; 1278 1279 if (ioctl_args.nInBufferSize) { 1280 ioctl_args.lpInBuffer = kmalloc(ioctl_args.nInBufferSize, M_DEVBUF, M_WAITOK); 1281 if (!ioctl_args.lpInBuffer) 1282 goto invalid; 1283 if (copyin((void*)piop->lpInBuffer, 1284 ioctl_args.lpInBuffer, piop->nInBufferSize)) 1285 goto invalid; 1286 } 1287 1288 if (ioctl_args.nOutBufferSize) { 1289 ioctl_args.lpOutBuffer = kmalloc(ioctl_args.nOutBufferSize, M_DEVBUF, M_WAITOK); 1290 if (!ioctl_args.lpOutBuffer) 1291 goto invalid; 1292 } 1293 1294 get_mplock(); 1295 1296 hpt_do_ioctl(&ioctl_args); 1297 1298 rel_mplock(); 1299 1300 if (ioctl_args.result==HPT_IOCTL_RESULT_OK) { 1301 if (piop->nOutBufferSize) { 1302 if (copyout(ioctl_args.lpOutBuffer, 1303 (void*)piop->lpOutBuffer, piop->nOutBufferSize)) 1304 goto invalid; 1305 } 1306 if (piop->lpBytesReturned) { 1307 if (copyout(&bytesReturned, 1308 (void*)piop->lpBytesReturned, sizeof(HPT_U32))) 1309 goto invalid; 1310 } 1311 if (ioctl_args.lpInBuffer) kfree(ioctl_args.lpInBuffer, M_DEVBUF); 1312 if (ioctl_args.lpOutBuffer) kfree(ioctl_args.lpOutBuffer, M_DEVBUF); 1313 return 0; 1314 } 1315 invalid: 1316 if (ioctl_args.lpInBuffer) kfree(ioctl_args.lpInBuffer, M_DEVBUF); 1317 if (ioctl_args.lpOutBuffer) kfree(ioctl_args.lpOutBuffer, M_DEVBUF); 1318 return EFAULT; 1319 } 1320 return EFAULT; 1321 } 1322 1323 case HPT_SCAN_BUS: 1324 { 1325 return hpt_rescan_bus(); 1326 } 1327 default: 1328 KdPrint(("invalid command!")); 1329 return EFAULT; 1330 } 1331 1332 } 1333 1334 static void hpt_rescan_callback(struct cam_periph *periph, union ccb *ccb) 1335 { 1336 xpt_free_path(ccb->ccb_h.path); 1337 xpt_free_ccb(ccb); 1338 } 1339 1340 static int hpt_rescan_bus(void) 1341 { 1342 union ccb *ccb; 1343 PVBUS vbus; 1344 PVBUS_EXT vbus_ext; 1345 1346 get_mplock(); 1347 1348 ldm_for_each_vbus(vbus, vbus_ext) { 1349 if ((ccb = xpt_alloc_ccb()) == NULL) 1350 return(ENOMEM); 1351 if (xpt_create_path(&ccb->ccb_h.path, xpt_periph, 1352 cam_sim_path(vbus_ext->sim), 1353 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 1354 xpt_free_ccb(ccb); 1355 return(EIO); 1356 } 1357 1358 xpt_setup_ccb(&ccb->ccb_h, ccb->ccb_h.path, 5/*priority (low)*/); 1359 ccb->ccb_h.func_code = XPT_SCAN_BUS; 1360 ccb->ccb_h.cbfcnp = hpt_rescan_callback; 1361 ccb->crcn.flags = CAM_FLAG_NONE; 1362 xpt_action(ccb); /* scan is now in progress */ 1363 } 1364 1365 return(0); 1366 }
Cache object: c0f907a246d3ea88362d64097e7944a7
[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]