1/* $Id: osm_bsd.c,v 1.36 2010/05/11 03:12:11 lcn Exp $ */ 2/*- 3 * HighPoint RAID Driver for FreeBSD 4 * Copyright (C) 2005-2011 HighPoint Technologies, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30#include <dev/hptnr/hptnr_config.h> 31#include <dev/hptnr/os_bsd.h> 32#include <dev/hptnr/hptintf.h> 33 34static int hpt_probe(device_t dev) 35{ 36 PCI_ID pci_id; 37 HIM *him; 38 int i; 39 PHBA hba; 40 41 for (him = him_list; him; him = him->next) { 42 for (i=0; him->get_supported_device_id(i, &pci_id); i++) { 43 if (him->get_controller_count) 44 him->get_controller_count(&pci_id,0,0); 45 if ((pci_get_vendor(dev) == pci_id.vid) && 46 (pci_get_device(dev) == pci_id.did)){ 47 KdPrint(("hpt_probe: adapter at PCI %d:%d:%d, IRQ %d", 48 pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev), pci_get_irq(dev) 49 )); 50 device_set_desc(dev, him->name); 51 hba = (PHBA)device_get_softc(dev); 52 memset(hba, 0, sizeof(HBA)); 53 hba->ext_type = EXT_TYPE_HBA; 54 hba->ldm_adapter.him = him; 55 return 0; 56 } 57 } 58 } 59 60 return (ENXIO); 61} 62 63static int hpt_attach(device_t dev) 64{ 65 PHBA hba = (PHBA)device_get_softc(dev); 66 HIM *him = hba->ldm_adapter.him; 67 PCI_ID pci_id; 68 HPT_UINT size; 69 PVBUS vbus; 70 PVBUS_EXT vbus_ext; 71 72 KdPrint(("hpt_attach(%d/%d/%d)", pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev))); 73 74#if __FreeBSD_version >=440000 75 pci_enable_busmaster(dev); 76#endif 77 78 pci_id.vid = pci_get_vendor(dev); 79 pci_id.did = pci_get_device(dev); 80 pci_id.rev = pci_get_revid(dev); 81 pci_id.subsys = (HPT_U32)(pci_get_subdevice(dev)) << 16 | pci_get_subvendor(dev); 82 83 size = him->get_adapter_size(&pci_id); 84 hba->ldm_adapter.him_handle = malloc(size, M_DEVBUF, M_WAITOK); 85 if (!hba->ldm_adapter.him_handle) 86 return ENXIO; 87 88 hba->pcidev = dev; 89 hba->pciaddr.tree = 0; 90 hba->pciaddr.bus = pci_get_bus(dev); 91 hba->pciaddr.device = pci_get_slot(dev); 92 hba->pciaddr.function = pci_get_function(dev); 93 94 if (!him->create_adapter(&pci_id, hba->pciaddr, hba->ldm_adapter.him_handle, hba)) { 95 free(hba->ldm_adapter.him_handle, M_DEVBUF); 96 return -1; 97 } 98 99 os_printk("adapter at PCI %d:%d:%d, IRQ %d", 100 hba->pciaddr.bus, hba->pciaddr.device, hba->pciaddr.function, pci_get_irq(dev)); 101 102 if (!ldm_register_adapter(&hba->ldm_adapter)) { 103 size = ldm_get_vbus_size(); 104 vbus_ext = malloc(sizeof(VBUS_EXT) + size, M_DEVBUF, M_WAITOK); 105 if (!vbus_ext) { 106 free(hba->ldm_adapter.him_handle, M_DEVBUF); 107 return -1; 108 } 109 memset(vbus_ext, 0, sizeof(VBUS_EXT)); 110 vbus_ext->ext_type = EXT_TYPE_VBUS; 111 ldm_create_vbus((PVBUS)vbus_ext->vbus, vbus_ext); 112 ldm_register_adapter(&hba->ldm_adapter); 113 } 114 115 ldm_for_each_vbus(vbus, vbus_ext) { 116 if (hba->ldm_adapter.vbus==vbus) { 117 hba->vbus_ext = vbus_ext; 118 hba->next = vbus_ext->hba_list; 119 vbus_ext->hba_list = hba; 120 break; 121 } 122 } 123 return 0; 124} 125 126/* 127 * Maybe we'd better to use the bus_dmamem_alloc to alloc DMA memory, 128 * but there are some problems currently (alignment, etc). 129 */ 130static __inline void *__get_free_pages(int order) 131{ 132 /* don't use low memory - other devices may get starved */ 133 return contigmalloc(PAGE_SIZE<<order, 134 M_DEVBUF, M_WAITOK, BUS_SPACE_MAXADDR_24BIT, BUS_SPACE_MAXADDR, PAGE_SIZE, 0); 135} 136 137static __inline void free_pages(void *p, int order) 138{ 139 contigfree(p, PAGE_SIZE<<order, M_DEVBUF); 140} 141 142static int hpt_alloc_mem(PVBUS_EXT vbus_ext) 143{ 144 PHBA hba; 145 struct freelist *f; 146 HPT_UINT i; 147 void **p; 148 149 for (hba = vbus_ext->hba_list; hba; hba = hba->next) 150 hba->ldm_adapter.him->get_meminfo(hba->ldm_adapter.him_handle); 151 152 ldm_get_mem_info((PVBUS)vbus_ext->vbus, 0); 153 154 for (f=vbus_ext->freelist_head; f; f=f->next) { 155 KdPrint(("%s: %d*%d=%d bytes", 156 f->tag, f->count, f->size, f->count*f->size)); 157 for (i=0; i<f->count; i++) { 158 p = (void **)malloc(f->size, M_DEVBUF, M_WAITOK); 159 if (!p) return (ENXIO); 160 *p = f->head; 161 f->head = p; 162 } 163 } 164 165 for (f=vbus_ext->freelist_dma_head; f; f=f->next) { 166 int order, size, j; 167 168 HPT_ASSERT((f->size & (f->alignment-1))==0); 169 170 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) 171 ; 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 201static 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 free(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 248static 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 262static 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 */ 282static 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, PPAUSE, "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 332static void hpt_stop_tasks(PVBUS_EXT vbus_ext); 333static 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 = 0; 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 free(hba->ldm_adapter.him_handle, M_DEVBUF); 369 } 370 371 free(vbus_ext, M_DEVBUF); 372 KdPrint(("hpt_shutdown_vbus done")); 373} 374 375static void __hpt_do_tasks(PVBUS_EXT vbus_ext) 376{ 377 OSM_TASK *tasks; 378 379 tasks = vbus_ext->tasks; 380 vbus_ext->tasks = 0; 381 382 while (tasks) { 383 OSM_TASK *t = tasks; 384 tasks = t->next; 385 t->next = 0; 386 t->func(vbus_ext->vbus, t->data); 387 } 388} 389 390static 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 399static void hpt_action(struct cam_sim *sim, union ccb *ccb); 400static void hpt_poll(struct cam_sim *sim); 401static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg); 402static void hpt_pci_intr(void *arg); 403 404static __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 412static __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 418static 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 428static 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 untimeout(hpt_timeout, pCmd, 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 475static 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 509static 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 ext->ccb->ccb_h.timeout_ch = timeout(hpt_timeout, pCmd, HPT_OSM_TIMEOUT); 538 ldm_queue_cmd(pCmd); 539} 540 541static 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 + '0'; 598 inquiryData->ProductId[8] = (vd->target_id % 100) % 10 + '0'; 599 } 600 else 601 inquiryData->ProductId[7] = (vd->target_id % 100) % 10 + '0'; 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 case 0x8f: /* VERIFY_16 */ 663 { 664 pCmd = ldm_alloc_cmds(vbus, vd->cmds_per_request); 665 if(!pCmd){ 666 KdPrint(("Failed to allocate command!")); 667 ccb->ccb_h.status = CAM_BUSY; 668 break; 669 } 670 671 switch (cdb[0]) { 672 case READ_6: 673 case WRITE_6: 674 case 0x13: 675 pCmd->uCmd.Ide.Lba = ((HPT_U32)cdb[1] << 16) | ((HPT_U32)cdb[2] << 8) | (HPT_U32)cdb[3]; 676 pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[4]; 677 break; 678 case READ_16: 679 case WRITE_16: 680 case 0x8f: /* VERIFY_16 */ 681 { 682 HPT_U64 block = 683 ((HPT_U64)cdb[2]<<56) | 684 ((HPT_U64)cdb[3]<<48) | 685 ((HPT_U64)cdb[4]<<40) | 686 ((HPT_U64)cdb[5]<<32) | 687 ((HPT_U64)cdb[6]<<24) | 688 ((HPT_U64)cdb[7]<<16) | 689 ((HPT_U64)cdb[8]<<8) | 690 ((HPT_U64)cdb[9]); 691 pCmd->uCmd.Ide.Lba = block; 692 pCmd->uCmd.Ide.nSectors = (HPT_U16)cdb[13] | ((HPT_U16)cdb[12]<<8); 693 break; 694 } 695 696 default: 697 pCmd->uCmd.Ide.Lba = (HPT_U32)cdb[5] | ((HPT_U32)cdb[4] << 8) | ((HPT_U32)cdb[3] << 16) | ((HPT_U32)cdb[2] << 24); 698 pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[8] | ((HPT_U16)cdb[7]<<8); 699 break; 700 } 701 702 switch (cdb[0]) { 703 case READ_6: 704 case READ_10: 705 case READ_16: 706 pCmd->flags.data_in = 1; 707 break; 708 case WRITE_6: 709 case WRITE_10: 710 case WRITE_16: 711 pCmd->flags.data_out = 1; 712 break; 713 } 714 pCmd->priv = ext = cmdext_get(vbus_ext); 715 HPT_ASSERT(ext); 716 ext->ccb = ccb; 717 pCmd->target = vd; 718 pCmd->done = os_cmddone; 719 pCmd->buildsgl = os_buildsgl; 720 721 pCmd->psg = ext->psg; 722 723 if (ccb->ccb_h.flags & CAM_SCATTER_VALID) { 724 int idx; 725 bus_dma_segment_t *sgList = (bus_dma_segment_t *)ccb->csio.data_ptr; 726 727 if (ccb->ccb_h.flags & CAM_SG_LIST_PHYS) 728 pCmd->flags.physical_sg = 1; 729 730 for (idx = 0; idx < ccb->csio.sglist_cnt; idx++) { 731 pCmd->psg[idx].addr.bus = sgList[idx].ds_addr; 732 pCmd->psg[idx].size = sgList[idx].ds_len; 733 pCmd->psg[idx].eot = (idx==ccb->csio.sglist_cnt-1)? 1 : 0; 734 } 735 736 ccb->ccb_h.timeout_ch = timeout(hpt_timeout, pCmd, HPT_OSM_TIMEOUT); 737 ldm_queue_cmd(pCmd); 738 } 739 else { 740 int error; 741 pCmd->flags.physical_sg = 1; 742 error = bus_dmamap_load(vbus_ext->io_dmat, 743 ext->dma_map, 744 ccb->csio.data_ptr, ccb->csio.dxfer_len, 745 hpt_io_dmamap_callback, pCmd, 746 BUS_DMA_WAITOK 747 ); 748 KdPrint(("bus_dmamap_load return %d", error)); 749 if (error && error!=EINPROGRESS) { 750 os_printk("bus_dmamap_load error %d", error); 751 cmdext_put(ext); 752 ldm_free_cmds(pCmd); 753 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 754 xpt_done(ccb); 755 } 756 } 757 return; 758 } 759 760 default: 761 ccb->ccb_h.status = CAM_REQ_INVALID; 762 break; 763 } 764 765 xpt_done(ccb); 766 return; 767} 768 769static void hpt_action(struct cam_sim *sim, union ccb *ccb) 770{ 771 PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim); 772 773 KdPrint(("hpt_action(fn=%d, id=%d)", ccb->ccb_h.func_code, ccb->ccb_h.target_id)); 774 775 switch (ccb->ccb_h.func_code) { 776 777 case XPT_SCSI_IO: 778 hpt_lock_vbus(vbus_ext); 779 hpt_scsi_io(vbus_ext, ccb); 780 hpt_unlock_vbus(vbus_ext); 781 return; 782 783 case XPT_RESET_BUS: 784 hpt_lock_vbus(vbus_ext); 785 ldm_reset_vbus((PVBUS)vbus_ext->vbus); 786 hpt_unlock_vbus(vbus_ext); 787 break; 788 789 case XPT_GET_TRAN_SETTINGS: 790 case XPT_SET_TRAN_SETTINGS: 791 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 792 break; 793 794 case XPT_CALC_GEOMETRY: 795 ccb->ccg.heads = 255; 796 ccb->ccg.secs_per_track = 63; 797 ccb->ccg.cylinders = ccb->ccg.volume_size / (ccb->ccg.heads * ccb->ccg.secs_per_track); 798 ccb->ccb_h.status = CAM_REQ_CMP; 799 break; 800 801 case XPT_PATH_INQ: 802 { 803 struct ccb_pathinq *cpi = &ccb->cpi; 804 805 cpi->version_num = 1; 806 cpi->hba_inquiry = PI_SDTR_ABLE; 807 cpi->target_sprt = 0; 808 cpi->hba_misc = PIM_NOBUSRESET; 809 cpi->hba_eng_cnt = 0; 810 cpi->max_target = osm_max_targets; 811 cpi->max_lun = 0; 812 cpi->unit_number = cam_sim_unit(sim); 813 cpi->bus_id = cam_sim_bus(sim); 814 cpi->initiator_id = osm_max_targets; 815 cpi->base_transfer_speed = 3300; 816 817 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 818 strncpy(cpi->hba_vid, "HPT ", HBA_IDLEN); 819 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 820#if (__FreeBSD_version >= 800000) 821 cpi->transport = XPORT_SPI; 822 cpi->transport_version = 2; 823 cpi->protocol = PROTO_SCSI; 824 cpi->protocol_version = SCSI_REV_2; 825#endif 826 cpi->ccb_h.status = CAM_REQ_CMP; 827 break; 828 } 829 830 default: 831 ccb->ccb_h.status = CAM_REQ_INVALID; 832 break; 833 } 834 835 xpt_done(ccb); 836 return; 837} 838 839static void hpt_pci_intr(void *arg) 840{ 841 PVBUS_EXT vbus_ext = (PVBUS_EXT)arg; 842 hpt_lock_vbus(vbus_ext); 843 ldm_intr((PVBUS)vbus_ext->vbus); 844 hpt_unlock_vbus(vbus_ext); 845} 846 847static void hpt_poll(struct cam_sim *sim) 848{ 849 hpt_pci_intr(cam_sim_softc(sim)); 850} 851 852static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg) 853{ 854 KdPrint(("hpt_async")); 855} 856 857static int hpt_shutdown(device_t dev) 858{ 859 KdPrint(("hpt_shutdown(dev=%p)", dev)); 860 return 0; 861} 862 863static int hpt_detach(device_t dev) 864{ 865 /* we don't allow the driver to be unloaded. */ 866 return EBUSY; 867} 868 869static void hpt_ioctl_done(struct _IOCTL_ARG *arg) 870{ 871 arg->ioctl_cmnd = 0; 872 wakeup(arg); 873} 874 875static void __hpt_do_ioctl(PVBUS_EXT vbus_ext, IOCTL_ARG *ioctl_args) 876{ 877 ioctl_args->result = -1; 878 ioctl_args->done = hpt_ioctl_done; 879 ioctl_args->ioctl_cmnd = (void *)1; 880 881 hpt_lock_vbus(vbus_ext); 882 ldm_ioctl((PVBUS)vbus_ext->vbus, ioctl_args); 883 884 while (ioctl_args->ioctl_cmnd) { 885 if (hpt_sleep(vbus_ext, ioctl_args, PPAUSE, "hptctl", HPT_OSM_TIMEOUT)==0) 886 break; 887 ldm_reset_vbus((PVBUS)vbus_ext->vbus); 888 __hpt_do_tasks(vbus_ext); 889 } 890 891 /* KdPrint(("ioctl %x result %d", ioctl_args->dwIoControlCode, ioctl_args->result)); */ 892 893 hpt_unlock_vbus(vbus_ext); 894} 895 896static void hpt_do_ioctl(IOCTL_ARG *ioctl_args) 897{ 898 PVBUS vbus; 899 PVBUS_EXT vbus_ext; 900 901 ldm_for_each_vbus(vbus, vbus_ext) { 902 __hpt_do_ioctl(vbus_ext, ioctl_args); 903 if (ioctl_args->result!=HPT_IOCTL_RESULT_WRONG_VBUS) 904 return; 905 } 906} 907 908#define HPT_DO_IOCTL(code, inbuf, insize, outbuf, outsize) ({\ 909 IOCTL_ARG arg;\ 910 arg.dwIoControlCode = code;\ 911 arg.lpInBuffer = inbuf;\ 912 arg.lpOutBuffer = outbuf;\ 913 arg.nInBufferSize = insize;\ 914 arg.nOutBufferSize = outsize;\ 915 arg.lpBytesReturned = 0;\ 916 hpt_do_ioctl(&arg);\ 917 arg.result;\ 918}) 919 920#define DEVICEID_VALID(id) ((id) && ((HPT_U32)(id)!=0xffffffff)) 921 922static int hpt_get_logical_devices(DEVICEID * pIds, int nMaxCount) 923{ 924 int i; 925 HPT_U32 count = nMaxCount-1; 926 927 if (HPT_DO_IOCTL(HPT_IOCTL_GET_LOGICAL_DEVICES, 928 &count, sizeof(HPT_U32), pIds, sizeof(DEVICEID)*nMaxCount)) 929 return -1; 930 931 nMaxCount = (int)pIds[0]; 932 for (i=0; i<nMaxCount; i++) pIds[i] = pIds[i+1]; 933 return nMaxCount; 934} 935 936static int hpt_get_device_info_v3(DEVICEID id, PLOGICAL_DEVICE_INFO_V3 pInfo) 937{ 938 return HPT_DO_IOCTL(HPT_IOCTL_GET_DEVICE_INFO_V3, 939 &id, sizeof(DEVICEID), pInfo, sizeof(LOGICAL_DEVICE_INFO_V3)); 940} 941 942/* not belong to this file logically, but we want to use ioctl interface */ 943static int __hpt_stop_tasks(PVBUS_EXT vbus_ext, DEVICEID id) 944{ 945 LOGICAL_DEVICE_INFO_V3 devinfo; 946 int i, result; 947 DEVICEID param[2] = { id, 0 }; 948 949 if (hpt_get_device_info_v3(id, &devinfo)) 950 return -1; 951 952 if (devinfo.Type!=LDT_ARRAY) 953 return -1; 954 955 if (devinfo.u.array.Flags & ARRAY_FLAG_REBUILDING) 956 param[1] = AS_REBUILD_ABORT; 957 else if (devinfo.u.array.Flags & ARRAY_FLAG_VERIFYING) 958 param[1] = AS_VERIFY_ABORT; 959 else if (devinfo.u.array.Flags & ARRAY_FLAG_INITIALIZING) 960 param[1] = AS_INITIALIZE_ABORT; 961 else if (devinfo.u.array.Flags & ARRAY_FLAG_TRANSFORMING) 962 param[1] = AS_TRANSFORM_ABORT; 963 else 964 return -1; 965 966 KdPrint(("SET_ARRAY_STATE(%x, %d)", param[0], param[1])); 967 result = HPT_DO_IOCTL(HPT_IOCTL_SET_ARRAY_STATE, 968 param, sizeof(param), 0, 0); 969 970 for (i=0; i<devinfo.u.array.nDisk; i++) 971 if (DEVICEID_VALID(devinfo.u.array.Members[i])) 972 __hpt_stop_tasks(vbus_ext, devinfo.u.array.Members[i]); 973 974 return result; 975} 976 977static void hpt_stop_tasks(PVBUS_EXT vbus_ext) 978{ 979 DEVICEID ids[32]; 980 int i, count; 981 982 count = hpt_get_logical_devices((DEVICEID *)&ids, sizeof(ids)/sizeof(ids[0])); 983 984 for (i=0; i<count; i++) 985 __hpt_stop_tasks(vbus_ext, ids[i]); 986} 987 988static d_open_t hpt_open; 989static d_close_t hpt_close; 990static d_ioctl_t hpt_ioctl; 991static int hpt_rescan_bus(void); 992 993static struct cdevsw hpt_cdevsw = { 994 .d_open = hpt_open, 995 .d_close = hpt_close, 996 .d_ioctl = hpt_ioctl, 997 .d_name = driver_name, 998#if __FreeBSD_version>=503000 999 .d_version = D_VERSION, 1000#endif 1001#if (__FreeBSD_version>=503000 && __FreeBSD_version<600034) 1002 .d_flags = D_NEEDGIANT, 1003#endif 1004#if __FreeBSD_version<600034 1005#if __FreeBSD_version>501000 1006 .d_maj = MAJOR_AUTO, 1007#else 1008 .d_maj = HPT_DEV_MAJOR, 1009#endif 1010#endif 1011}; 1012 1013static struct intr_config_hook hpt_ich; 1014 1015/* 1016 * hpt_final_init will be called after all hpt_attach. 1017 */ 1018static void hpt_final_init(void *dummy) 1019{ 1020 int i,unit_number=0; 1021 PVBUS_EXT vbus_ext; 1022 PVBUS vbus; 1023 PHBA hba; 1024 1025 /* Clear the config hook */ 1026 config_intrhook_disestablish(&hpt_ich); 1027 1028 /* allocate memory */ 1029 i = 0; 1030 ldm_for_each_vbus(vbus, vbus_ext) { 1031 if (hpt_alloc_mem(vbus_ext)) { 1032 os_printk("out of memory"); 1033 return; 1034 } 1035 i++; 1036 } 1037 1038 if (!i) { 1039 if (bootverbose) 1040 os_printk("no controller detected."); 1041 return; 1042 } 1043 1044 /* initializing hardware */ 1045 ldm_for_each_vbus(vbus, vbus_ext) { 1046 /* make timer available here */ 1047 callout_handle_init(&vbus_ext->timer); 1048 if (hpt_init_vbus(vbus_ext)) { 1049 os_printk("fail to initialize hardware"); 1050 break; /* FIXME */ 1051 } 1052 } 1053 1054 /* register CAM interface */ 1055 ldm_for_each_vbus(vbus, vbus_ext) { 1056 struct cam_devq *devq; 1057 struct ccb_setasync ccb; 1058 1059#if (__FreeBSD_version >= 500000) 1060 mtx_init(&vbus_ext->lock, "hptsleeplock", NULL, MTX_DEF); 1061#endif 1062 if (bus_dma_tag_create(NULL,/* parent */ 1063 4, /* alignment */ 1064 BUS_SPACE_MAXADDR_32BIT+1, /* boundary */ 1065 BUS_SPACE_MAXADDR, /* lowaddr */ 1066 BUS_SPACE_MAXADDR, /* highaddr */ 1067 NULL, NULL, /* filter, filterarg */ 1068 PAGE_SIZE * (os_max_sg_descriptors-1), /* maxsize */ 1069 os_max_sg_descriptors, /* nsegments */ 1070 0x10000, /* maxsegsize */ 1071 BUS_DMA_WAITOK, /* flags */ 1072#if __FreeBSD_version>502000 1073 busdma_lock_mutex, /* lockfunc */ 1074 &vbus_ext->lock, /* lockfuncarg */ 1075#endif 1076 &vbus_ext->io_dmat /* tag */)) 1077 { 1078 return ; 1079 } 1080 1081 for (i=0; i<os_max_queue_comm; i++) { 1082 POS_CMDEXT ext = (POS_CMDEXT)malloc(sizeof(OS_CMDEXT), M_DEVBUF, M_WAITOK); 1083 if (!ext) { 1084 os_printk("Can't alloc cmdext(%d)", i); 1085 return ; 1086 } 1087 ext->vbus_ext = vbus_ext; 1088 ext->next = vbus_ext->cmdext_list; 1089 vbus_ext->cmdext_list = ext; 1090 1091 if (bus_dmamap_create(vbus_ext->io_dmat, 0, &ext->dma_map)) { 1092 os_printk("Can't create dma map(%d)", i); 1093 return ; 1094 } 1095 } 1096 1097 if ((devq = cam_simq_alloc(os_max_queue_comm)) == NULL) { 1098 os_printk("cam_simq_alloc failed"); 1099 return ; 1100 } 1101 1102#if __FreeBSD_version > 700025 1103 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name, 1104 vbus_ext, unit_number, &Giant, os_max_queue_comm, /*tagged*/8, devq); 1105#else 1106 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name, 1107 vbus_ext, unit_number, os_max_queue_comm, /*tagged*/8, devq); 1108#endif 1109 unit_number++; 1110 if (!vbus_ext->sim) { 1111 os_printk("cam_sim_alloc failed"); 1112 cam_simq_free(devq); 1113 return ; 1114 } 1115 1116#if __FreeBSD_version > 700044 1117 if (xpt_bus_register(vbus_ext->sim, NULL, 0) != CAM_SUCCESS) { 1118#else 1119 if (xpt_bus_register(vbus_ext->sim, 0) != CAM_SUCCESS) { 1120#endif 1121 os_printk("xpt_bus_register failed"); 1122 cam_sim_free(vbus_ext->sim, /*free devq*/ TRUE); 1123 vbus_ext->sim = NULL; 1124 return ; 1125 } 1126 1127 if (xpt_create_path(&vbus_ext->path, /*periph */ xpt_periph, 1128 cam_sim_path(vbus_ext->sim), CAM_TARGET_WILDCARD, 1129 CAM_LUN_WILDCARD) != CAM_REQ_CMP) 1130 { 1131 os_printk("xpt_create_path failed"); 1132 xpt_bus_deregister(cam_sim_path(vbus_ext->sim)); 1133 cam_sim_free(vbus_ext->sim, /*free_devq*/TRUE); 1134 vbus_ext->sim = NULL; 1135 return ; 1136 } 1137 1138 xpt_setup_ccb(&ccb.ccb_h, vbus_ext->path, /*priority*/5); 1139 ccb.ccb_h.func_code = XPT_SASYNC_CB; 1140 ccb.event_enable = AC_LOST_DEVICE; 1141 ccb.callback = hpt_async; 1142 ccb.callback_arg = vbus_ext; 1143 xpt_action((union ccb *)&ccb); 1144 1145 for (hba = vbus_ext->hba_list; hba; hba = hba->next) { 1146 int rid = 0; 1147 if ((hba->irq_res = bus_alloc_resource(hba->pcidev, 1148 SYS_RES_IRQ, &rid, 0, ~0ul, 1, RF_SHAREABLE | RF_ACTIVE)) == NULL) 1149 { 1150 os_printk("can't allocate interrupt"); 1151 return ; 1152 } 1153 1154 if (bus_setup_intr(hba->pcidev, hba->irq_res, INTR_TYPE_CAM, 1155#if __FreeBSD_version > 700025 1156 NULL, hpt_pci_intr, vbus_ext, &hba->irq_handle)) 1157#else 1158 hpt_pci_intr, vbus_ext, &hba->irq_handle)) 1159#endif 1160 { 1161 os_printk("can't set up interrupt"); 1162 return ; 1163 } 1164 hba->ldm_adapter.him->intr_control(hba->ldm_adapter.him_handle, HPT_TRUE); 1165 1166 } 1167 1168 vbus_ext->shutdown_eh = EVENTHANDLER_REGISTER(shutdown_final, 1169 hpt_shutdown_vbus, vbus_ext, SHUTDOWN_PRI_DEFAULT); 1170 if (!vbus_ext->shutdown_eh) 1171 os_printk("Shutdown event registration failed"); 1172 } 1173 1174 ldm_for_each_vbus(vbus, vbus_ext) { 1175 TASK_INIT(&vbus_ext->worker, 0, (task_fn_t *)hpt_do_tasks, vbus_ext); 1176 if (vbus_ext->tasks) 1177 TASK_ENQUEUE(&vbus_ext->worker); 1178 } 1179 1180 make_dev(&hpt_cdevsw, DRIVER_MINOR, UID_ROOT, GID_OPERATOR, 1181 S_IRUSR | S_IWUSR, "%s", driver_name); 1182} 1183 1184#if defined(KLD_MODULE) && (__FreeBSD_version >= 503000) 1185 1186typedef struct driverlink *driverlink_t; 1187struct driverlink { 1188 kobj_class_t driver; 1189 TAILQ_ENTRY(driverlink) link; /* list of drivers in devclass */ 1190}; 1191 1192typedef TAILQ_HEAD(driver_list, driverlink) driver_list_t; 1193 1194struct devclass { 1195 TAILQ_ENTRY(devclass) link; 1196 devclass_t parent; /* parent in devclass hierarchy */ 1197 driver_list_t drivers; /* bus devclasses store drivers for bus */ 1198 char *name; 1199 device_t *devices; /* array of devices indexed by unit */ 1200 int maxunit; /* size of devices array */ 1201}; 1202 1203static void override_kernel_driver(void) 1204{ 1205 driverlink_t dl, dlfirst; 1206 driver_t *tmpdriver; 1207 devclass_t dc = devclass_find("pci"); 1208 1209 if (dc){ 1210 dlfirst = TAILQ_FIRST(&dc->drivers); 1211 for (dl = dlfirst; dl; dl = TAILQ_NEXT(dl, link)) { 1212 if(strcmp(dl->driver->name, driver_name) == 0) { 1213 tmpdriver=dl->driver; 1214 dl->driver=dlfirst->driver; 1215 dlfirst->driver=tmpdriver; 1216 break; 1217 } 1218 } 1219 } 1220} 1221 1222#else 1223#define override_kernel_driver() 1224#endif 1225 1226static void hpt_init(void *dummy) 1227{ 1228 if (bootverbose) 1229 os_printk("%s %s", driver_name_long, driver_ver); 1230 1231 override_kernel_driver(); 1232 init_config(); 1233 1234 hpt_ich.ich_func = hpt_final_init; 1235 hpt_ich.ich_arg = NULL; 1236 if (config_intrhook_establish(&hpt_ich) != 0) { 1237 printf("%s: cannot establish configuration hook\n", 1238 driver_name_long); 1239 } 1240 1241} 1242SYSINIT(hptinit, SI_SUB_CONFIGURE, SI_ORDER_FIRST, hpt_init, NULL); 1243 1244/* 1245 * CAM driver interface 1246 */ 1247static device_method_t driver_methods[] = { 1248 /* Device interface */ 1249 DEVMETHOD(device_probe, hpt_probe), 1250 DEVMETHOD(device_attach, hpt_attach), 1251 DEVMETHOD(device_detach, hpt_detach), 1252 DEVMETHOD(device_shutdown, hpt_shutdown), 1253 { 0, 0 } 1254}; 1255 1256static driver_t hpt_pci_driver = { 1257 driver_name, 1258 driver_methods, 1259 sizeof(HBA) 1260}; 1261 1262static devclass_t hpt_devclass; 1263 1264#ifndef TARGETNAME 1265#error "no TARGETNAME found" 1266#endif 1267 1268/* use this to make TARGETNAME be expanded */ 1269#define __DRIVER_MODULE(p1, p2, p3, p4, p5, p6) DRIVER_MODULE(p1, p2, p3, p4, p5, p6) 1270#define __MODULE_VERSION(p1, p2) MODULE_VERSION(p1, p2) 1271#define __MODULE_DEPEND(p1, p2, p3, p4, p5) MODULE_DEPEND(p1, p2, p3, p4, p5) 1272__DRIVER_MODULE(TARGETNAME, pci, hpt_pci_driver, hpt_devclass, 0, 0); 1273__MODULE_VERSION(TARGETNAME, 1); 1274__MODULE_DEPEND(TARGETNAME, cam, 1, 1, 1); 1275 1276#if __FreeBSD_version>503000 1277typedef struct cdev * ioctl_dev_t; 1278#else 1279typedef dev_t ioctl_dev_t; 1280#endif 1281 1282#if __FreeBSD_version >= 500000 1283typedef struct thread * ioctl_thread_t; 1284#else 1285typedef struct proc * ioctl_thread_t; 1286#endif 1287 1288static int hpt_open(ioctl_dev_t dev, int flags, int devtype, ioctl_thread_t td) 1289{ 1290 return 0; 1291} 1292 1293static int hpt_close(ioctl_dev_t dev, int flags, int devtype, ioctl_thread_t td) 1294{ 1295 return 0; 1296} 1297 1298static int hpt_ioctl(ioctl_dev_t dev, u_long cmd, caddr_t data, int fflag, ioctl_thread_t td) 1299{ 1300 PHPT_IOCTL_PARAM piop=(PHPT_IOCTL_PARAM)data; 1301 IOCTL_ARG ioctl_args; 1302 HPT_U32 bytesReturned; 1303 1304 switch (cmd){ 1305 case HPT_DO_IOCONTROL: 1306 { 1307 if (piop->Magic == HPT_IOCTL_MAGIC || piop->Magic == HPT_IOCTL_MAGIC32) { 1308 KdPrint(("ioctl=%x in=%p len=%d out=%p len=%d\n", 1309 piop->dwIoControlCode, 1310 piop->lpInBuffer, 1311 piop->nInBufferSize, 1312 piop->lpOutBuffer, 1313 piop->nOutBufferSize)); 1314 1315 memset(&ioctl_args, 0, sizeof(ioctl_args)); 1316 1317 ioctl_args.dwIoControlCode = piop->dwIoControlCode; 1318 ioctl_args.nInBufferSize = piop->nInBufferSize; 1319 ioctl_args.nOutBufferSize = piop->nOutBufferSize; 1320 ioctl_args.lpBytesReturned = &bytesReturned; 1321 1322 if (ioctl_args.nInBufferSize) { 1323 ioctl_args.lpInBuffer = malloc(ioctl_args.nInBufferSize, M_DEVBUF, M_WAITOK); 1324 if (!ioctl_args.lpInBuffer) 1325 goto invalid; 1326 if (copyin((void*)piop->lpInBuffer, 1327 ioctl_args.lpInBuffer, piop->nInBufferSize)) 1328 goto invalid; 1329 } 1330 1331 if (ioctl_args.nOutBufferSize) { 1332 ioctl_args.lpOutBuffer = malloc(ioctl_args.nOutBufferSize, M_DEVBUF, M_WAITOK); 1333 if (!ioctl_args.lpOutBuffer) 1334 goto invalid; 1335 } 1336 1337#if (__FreeBSD_version >= 500000) 1338 mtx_lock(&Giant); 1339#endif 1340 1341 hpt_do_ioctl(&ioctl_args); 1342 1343#if (__FreeBSD_version >= 500000) 1344 mtx_unlock(&Giant); 1345#endif 1346 1347 if (ioctl_args.result==HPT_IOCTL_RESULT_OK) { 1348 if (piop->nOutBufferSize) { 1349 if (copyout(ioctl_args.lpOutBuffer, 1350 (void*)piop->lpOutBuffer, piop->nOutBufferSize)) 1351 goto invalid; 1352 } 1353 if (piop->lpBytesReturned) { 1354 if (copyout(&bytesReturned, 1355 (void*)piop->lpBytesReturned, sizeof(HPT_U32))) 1356 goto invalid; 1357 } 1358 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF); 1359 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF); 1360 return 0; 1361 } 1362invalid: 1363 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF); 1364 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF); 1365 return EFAULT; 1366 } 1367 return EFAULT; 1368 } 1369 1370 case HPT_SCAN_BUS: 1371 { 1372 return hpt_rescan_bus(); 1373 } 1374 default: 1375 KdPrint(("invalid command!")); 1376 return EFAULT; 1377 } 1378 1379} 1380 1381static int hpt_rescan_bus(void) 1382{ 1383 union ccb *ccb; 1384 PVBUS vbus; 1385 PVBUS_EXT vbus_ext; 1386 1387 mtx_lock(&Giant); 1388 1389 ldm_for_each_vbus(vbus, vbus_ext) { 1390 if ((ccb = xpt_alloc_ccb()) == NULL) 1391 { 1392 return(ENOMEM); 1393 } 1394 if (xpt_create_path(&ccb->ccb_h.path, xpt_periph, cam_sim_path(vbus_ext->sim), 1395 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) 1396 { 1397 xpt_free_ccb(ccb); 1398 return(EIO); 1399 } 1400 xpt_rescan(ccb); 1401 } 1402 mtx_unlock(&Giant); 1403 return(0); 1404} 1405