hpt27xx_osm_bsd.c revision 228940
1/*- 2 * Copyright (c) 2011 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: head/sys/dev/hpt27xx/osm_bsd.c 228940 2011-12-28 23:26:58Z delphij $ 27 */ 28 29#include <dev/hpt27xx/hpt27xx_config.h> 30 31#include <dev/hpt27xx/os_bsd.h> 32#include <dev/hpt27xx/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 KdPrint(("%s: %d*%d=%d bytes, order %d", 173 f->tag, f->count, f->size, f->count*f->size, order)); 174 HPT_ASSERT(f->alignment<=PAGE_SIZE); 175 176 for (i=0; i<f->count;) { 177 p = (void **)__get_free_pages(order); 178 if (!p) return -1; 179 for (j = size/f->size; j && i<f->count; i++,j--) { 180 *p = f->head; 181 *(BUS_ADDRESS *)(p+1) = (BUS_ADDRESS)vtophys(p); 182 f->head = p; 183 p = (void **)((unsigned long)p + f->size); 184 } 185 } 186 } 187 188 HPT_ASSERT(PAGE_SIZE==DMAPOOL_PAGE_SIZE); 189 190 for (i=0; i<os_max_cache_pages; i++) { 191 p = (void **)__get_free_pages(0); 192 if (!p) return -1; 193 HPT_ASSERT(((HPT_UPTR)p & (DMAPOOL_PAGE_SIZE-1))==0); 194 dmapool_put_page((PVBUS)vbus_ext->vbus, p, (BUS_ADDRESS)vtophys(p)); 195 } 196 197 return 0; 198} 199 200static void hpt_free_mem(PVBUS_EXT vbus_ext) 201{ 202 struct freelist *f; 203 void *p; 204 int i; 205 BUS_ADDRESS bus; 206 207 for (f=vbus_ext->freelist_head; f; f=f->next) { 208#if DBG 209 if (f->count!=f->reserved_count) { 210 KdPrint(("memory leak for freelist %s (%d/%d)", f->tag, f->count, f->reserved_count)); 211 } 212#endif 213 while ((p=freelist_get(f))) 214 free(p, M_DEVBUF); 215 } 216 217 for (i=0; i<os_max_cache_pages; i++) { 218 p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus); 219 HPT_ASSERT(p); 220 free_pages(p, 0); 221 } 222 223 for (f=vbus_ext->freelist_dma_head; f; f=f->next) { 224 int order, size; 225#if DBG 226 if (f->count!=f->reserved_count) { 227 KdPrint(("memory leak for dma freelist %s (%d/%d)", f->tag, f->count, f->reserved_count)); 228 } 229#endif 230 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) ; 231 232 while ((p=freelist_get_dma(f, &bus))) { 233 if (order) 234 free_pages(p, order); 235 else { 236 /* can't free immediately since other blocks in this page may still be in the list */ 237 if (((HPT_UPTR)p & (PAGE_SIZE-1))==0) 238 dmapool_put_page((PVBUS)vbus_ext->vbus, p, bus); 239 } 240 } 241 } 242 243 while ((p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus))) 244 free_pages(p, 0); 245} 246 247static int hpt_init_vbus(PVBUS_EXT vbus_ext) 248{ 249 PHBA hba; 250 251 for (hba = vbus_ext->hba_list; hba; hba = hba->next) 252 if (!hba->ldm_adapter.him->initialize(hba->ldm_adapter.him_handle)) { 253 KdPrint(("fail to initialize %p", hba)); 254 return -1; 255 } 256 257 ldm_initialize_vbus((PVBUS)vbus_ext->vbus, &vbus_ext->hba_list->ldm_adapter); 258 return 0; 259} 260 261static void hpt_flush_done(PCOMMAND pCmd) 262{ 263 PVDEV vd = pCmd->target; 264 265 if (mIsArray(vd->type) && vd->u.array.transform && vd!=vd->u.array.transform->target) { 266 vd = vd->u.array.transform->target; 267 HPT_ASSERT(vd); 268 pCmd->target = vd; 269 pCmd->Result = RETURN_PENDING; 270 vdev_queue_cmd(pCmd); 271 return; 272 } 273 274 *(int *)pCmd->priv = 1; 275 wakeup(pCmd); 276} 277 278/* 279 * flush a vdev (without retry). 280 */ 281static int hpt_flush_vdev(PVBUS_EXT vbus_ext, PVDEV vd) 282{ 283 PCOMMAND pCmd; 284 int result = 0, done; 285 HPT_UINT count; 286 287 KdPrint(("flusing dev %p", vd)); 288 289 hpt_lock_vbus(vbus_ext); 290 291 if (mIsArray(vd->type) && vd->u.array.transform) 292 count = MAX(vd->u.array.transform->source->cmds_per_request, 293 vd->u.array.transform->target->cmds_per_request); 294 else 295 count = vd->cmds_per_request; 296 297 pCmd = ldm_alloc_cmds(vd->vbus, count); 298 299 if (!pCmd) { 300 hpt_unlock_vbus(vbus_ext); 301 return -1; 302 } 303 304 pCmd->type = CMD_TYPE_FLUSH; 305 pCmd->flags.hard_flush = 1; 306 pCmd->target = vd; 307 pCmd->done = hpt_flush_done; 308 done = 0; 309 pCmd->priv = &done; 310 311 ldm_queue_cmd(pCmd); 312 313 if (!done) { 314 while (hpt_sleep(vbus_ext, pCmd, PPAUSE, "hptfls", HPT_OSM_TIMEOUT)) { 315 ldm_reset_vbus(vd->vbus); 316 } 317 } 318 319 KdPrint(("flush result %d", pCmd->Result)); 320 321 if (pCmd->Result!=RETURN_SUCCESS) 322 result = -1; 323 324 ldm_free_cmds(pCmd); 325 326 hpt_unlock_vbus(vbus_ext); 327 328 return result; 329} 330 331static void hpt_stop_tasks(PVBUS_EXT vbus_ext); 332static void hpt_shutdown_vbus(PVBUS_EXT vbus_ext, int howto) 333{ 334 PVBUS vbus = (PVBUS)vbus_ext->vbus; 335 PHBA hba; 336 int i; 337 338 KdPrint(("hpt_shutdown_vbus")); 339 340 /* stop all ctl tasks and disable the worker taskqueue */ 341 hpt_stop_tasks(vbus_ext); 342 vbus_ext->worker.ta_context = 0; 343 344 /* flush devices */ 345 for (i=0; i<osm_max_targets; i++) { 346 PVDEV vd = ldm_find_target(vbus, i); 347 if (vd) { 348 /* retry once */ 349 if (hpt_flush_vdev(vbus_ext, vd)) 350 hpt_flush_vdev(vbus_ext, vd); 351 } 352 } 353 354 hpt_lock_vbus(vbus_ext); 355 ldm_shutdown(vbus); 356 hpt_unlock_vbus(vbus_ext); 357 358 ldm_release_vbus(vbus); 359 360 for (hba=vbus_ext->hba_list; hba; hba=hba->next) 361 bus_teardown_intr(hba->pcidev, hba->irq_res, hba->irq_handle); 362 363 hpt_free_mem(vbus_ext); 364 365 while ((hba=vbus_ext->hba_list)) { 366 vbus_ext->hba_list = hba->next; 367 free(hba->ldm_adapter.him_handle, M_DEVBUF); 368 } 369 370 free(vbus_ext, M_DEVBUF); 371 KdPrint(("hpt_shutdown_vbus done")); 372} 373 374static void __hpt_do_tasks(PVBUS_EXT vbus_ext) 375{ 376 OSM_TASK *tasks; 377 378 tasks = vbus_ext->tasks; 379 vbus_ext->tasks = 0; 380 381 while (tasks) { 382 OSM_TASK *t = tasks; 383 tasks = t->next; 384 t->next = 0; 385 t->func(vbus_ext->vbus, t->data); 386 } 387} 388 389static void hpt_do_tasks(PVBUS_EXT vbus_ext, int pending) 390{ 391 if(vbus_ext){ 392 hpt_lock_vbus(vbus_ext); 393 __hpt_do_tasks(vbus_ext); 394 hpt_unlock_vbus(vbus_ext); 395 } 396} 397 398static void hpt_action(struct cam_sim *sim, union ccb *ccb); 399static void hpt_poll(struct cam_sim *sim); 400static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg); 401static void hpt_pci_intr(void *arg); 402 403static __inline POS_CMDEXT cmdext_get(PVBUS_EXT vbus_ext) 404{ 405 POS_CMDEXT p = vbus_ext->cmdext_list; 406 if (p) 407 vbus_ext->cmdext_list = p->next; 408 return p; 409} 410 411static __inline void cmdext_put(POS_CMDEXT p) 412{ 413 p->next = p->vbus_ext->cmdext_list; 414 p->vbus_ext->cmdext_list = p; 415} 416 417static void hpt_timeout(void *arg) 418{ 419 PCOMMAND pCmd = (PCOMMAND)arg; 420 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv; 421 422 KdPrint(("pCmd %p timeout", pCmd)); 423 424 ldm_reset_vbus((PVBUS)ext->vbus_ext->vbus); 425} 426 427static void os_cmddone(PCOMMAND pCmd) 428{ 429 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv; 430 union ccb *ccb = ext->ccb; 431 432 KdPrint(("os_cmddone(%p, %d)", pCmd, pCmd->Result)); 433 434 untimeout(hpt_timeout, pCmd, ccb->ccb_h.timeout_ch); 435 436 switch(pCmd->Result) { 437 case RETURN_SUCCESS: 438 ccb->ccb_h.status = CAM_REQ_CMP; 439 break; 440 case RETURN_BAD_DEVICE: 441 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 442 break; 443 case RETURN_DEVICE_BUSY: 444 ccb->ccb_h.status = CAM_BUSY; 445 break; 446 case RETURN_INVALID_REQUEST: 447 ccb->ccb_h.status = CAM_REQ_INVALID; 448 break; 449 case RETURN_SELECTION_TIMEOUT: 450 ccb->ccb_h.status = CAM_SEL_TIMEOUT; 451 break; 452 case RETURN_RETRY: 453 ccb->ccb_h.status = CAM_BUSY; 454 break; 455 default: 456 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR; 457 break; 458 } 459 460 if (pCmd->flags.data_in) { 461 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTREAD); 462 } 463 else if (pCmd->flags.data_out) { 464 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTWRITE); 465 } 466 467 bus_dmamap_unload(ext->vbus_ext->io_dmat, ext->dma_map); 468 469 cmdext_put(ext); 470 ldm_free_cmds(pCmd); 471 xpt_done(ccb); 472} 473 474static int os_buildsgl(PCOMMAND pCmd, PSG pSg, int logical) 475{ 476 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv; 477 union ccb *ccb = ext->ccb; 478 bus_dma_segment_t *sgList = (bus_dma_segment_t *)ccb->csio.data_ptr; 479 int idx; 480 481 if(logical) { 482 if (ccb->ccb_h.flags & CAM_DATA_PHYS) 483 panic("physical address unsupported"); 484 485 if (ccb->ccb_h.flags & CAM_SCATTER_VALID) { 486 if (ccb->ccb_h.flags & CAM_SG_LIST_PHYS) 487 panic("physical address unsupported"); 488 489 for (idx = 0; idx < ccb->csio.sglist_cnt; idx++) { 490 os_set_sgptr(&pSg[idx], (HPT_U8 *)(HPT_UPTR)sgList[idx].ds_addr); 491 pSg[idx].size = sgList[idx].ds_len; 492 pSg[idx].eot = (idx==ccb->csio.sglist_cnt-1)? 1 : 0; 493 } 494 } 495 else { 496 os_set_sgptr(pSg, (HPT_U8 *)ccb->csio.data_ptr); 497 pSg->size = ccb->csio.dxfer_len; 498 pSg->eot = 1; 499 } 500 return TRUE; 501 } 502 503 /* since we have provided physical sg, nobody will ask us to build physical sg */ 504 HPT_ASSERT(0); 505 return FALSE; 506} 507 508static void hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 509{ 510 PCOMMAND pCmd = (PCOMMAND)arg; 511 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv; 512 PSG psg = pCmd->psg; 513 int idx; 514 515 HPT_ASSERT(pCmd->flags.physical_sg); 516 517 if (error || nsegs == 0) 518 panic("busdma error"); 519 520 HPT_ASSERT(nsegs<=os_max_sg_descriptors); 521 522 for (idx = 0; idx < nsegs; idx++, psg++) { 523 psg->addr.bus = segs[idx].ds_addr; 524 psg->size = segs[idx].ds_len; 525 psg->eot = 0; 526 } 527 psg[-1].eot = 1; 528 529 if (pCmd->flags.data_in) { 530 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_PREREAD); 531 } 532 else if (pCmd->flags.data_out) { 533 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_PREWRITE); 534 } 535 536 ext->ccb->ccb_h.timeout_ch = timeout(hpt_timeout, pCmd, HPT_OSM_TIMEOUT); 537 ldm_queue_cmd(pCmd); 538} 539 540static void hpt_scsi_io(PVBUS_EXT vbus_ext, union ccb *ccb) 541{ 542 PVBUS vbus = (PVBUS)vbus_ext->vbus; 543 PVDEV vd; 544 PCOMMAND pCmd; 545 POS_CMDEXT ext; 546 HPT_U8 *cdb; 547 548 if (ccb->ccb_h.flags & CAM_CDB_POINTER) 549 cdb = ccb->csio.cdb_io.cdb_ptr; 550 else 551 cdb = ccb->csio.cdb_io.cdb_bytes; 552 553 KdPrint(("hpt_scsi_io: ccb %x id %d lun %d cdb %x-%x-%x", 554 ccb, 555 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 556 *(HPT_U32 *)&cdb[0], *(HPT_U32 *)&cdb[4], *(HPT_U32 *)&cdb[8] 557 )); 558 559 /* ccb->ccb_h.path_id is not our bus id - don't check it */ 560 if (ccb->ccb_h.target_lun != 0 || 561 ccb->ccb_h.target_id >= osm_max_targets || 562 (ccb->ccb_h.flags & CAM_CDB_PHYS)) 563 { 564 ccb->ccb_h.status = CAM_TID_INVALID; 565 xpt_done(ccb); 566 return; 567 } 568 569 vd = ldm_find_target(vbus, ccb->ccb_h.target_id); 570 571 if (!vd) { 572 ccb->ccb_h.status = CAM_TID_INVALID; 573 xpt_done(ccb); 574 return; 575 } 576 577 switch (cdb[0]) { 578 case TEST_UNIT_READY: 579 case START_STOP_UNIT: 580 case SYNCHRONIZE_CACHE: 581 ccb->ccb_h.status = CAM_REQ_CMP; 582 break; 583 584 case INQUIRY: 585 { 586 PINQUIRYDATA inquiryData; 587 memset(ccb->csio.data_ptr, 0, ccb->csio.dxfer_len); 588 inquiryData = (PINQUIRYDATA)ccb->csio.data_ptr; 589 590 inquiryData->AdditionalLength = 31; 591 inquiryData->CommandQueue = 1; 592 memcpy(&inquiryData->VendorId, "HPT ", 8); 593 memcpy(&inquiryData->ProductId, "DISK 0_0 ", 16); 594 595 if (vd->target_id / 10) { 596 inquiryData->ProductId[7] = (vd->target_id % 100) / 10 + '0'; 597 inquiryData->ProductId[8] = (vd->target_id % 100) % 10 + '0'; 598 } 599 else 600 inquiryData->ProductId[7] = (vd->target_id % 100) % 10 + '0'; 601 602 memcpy(&inquiryData->ProductRevisionLevel, "4.00", 4); 603 604 ccb->ccb_h.status = CAM_REQ_CMP; 605 } 606 break; 607 608 case READ_CAPACITY: 609 { 610 HPT_U8 *rbuf = ccb->csio.data_ptr; 611 HPT_U32 cap; 612 613 if (vd->capacity>0xfffffffful) 614 cap = 0xfffffffful; 615 else 616 cap = vd->capacity - 1; 617 618 rbuf[0] = (HPT_U8)(cap>>24); 619 rbuf[1] = (HPT_U8)(cap>>16); 620 rbuf[2] = (HPT_U8)(cap>>8); 621 rbuf[3] = (HPT_U8)cap; 622 rbuf[4] = 0; 623 rbuf[5] = 0; 624 rbuf[6] = 2; 625 rbuf[7] = 0; 626 627 ccb->ccb_h.status = CAM_REQ_CMP; 628 break; 629 } 630 631 case SERVICE_ACTION_IN: 632 { 633 HPT_U8 *rbuf = ccb->csio.data_ptr; 634 HPT_U64 cap = vd->capacity - 1; 635 636 rbuf[0] = (HPT_U8)(cap>>56); 637 rbuf[1] = (HPT_U8)(cap>>48); 638 rbuf[2] = (HPT_U8)(cap>>40); 639 rbuf[3] = (HPT_U8)(cap>>32); 640 rbuf[4] = (HPT_U8)(cap>>24); 641 rbuf[5] = (HPT_U8)(cap>>16); 642 rbuf[6] = (HPT_U8)(cap>>8); 643 rbuf[7] = (HPT_U8)cap; 644 rbuf[8] = 0; 645 rbuf[9] = 0; 646 rbuf[10] = 2; 647 rbuf[11] = 0; 648 649 ccb->ccb_h.status = CAM_REQ_CMP; 650 break; 651 } 652 653 case READ_6: 654 case READ_10: 655 case READ_16: 656 case WRITE_6: 657 case WRITE_10: 658 case WRITE_16: 659 case 0x13: 660 case 0x2f: 661 case 0x8f: /* VERIFY_16 */ 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 case 0x8f: /* VERIFY_16 */ 680 { 681 HPT_U64 block = 682 ((HPT_U64)cdb[2]<<56) | 683 ((HPT_U64)cdb[3]<<48) | 684 ((HPT_U64)cdb[4]<<40) | 685 ((HPT_U64)cdb[5]<<32) | 686 ((HPT_U64)cdb[6]<<24) | 687 ((HPT_U64)cdb[7]<<16) | 688 ((HPT_U64)cdb[8]<<8) | 689 ((HPT_U64)cdb[9]); 690 pCmd->uCmd.Ide.Lba = block; 691 pCmd->uCmd.Ide.nSectors = (HPT_U16)cdb[13] | ((HPT_U16)cdb[12]<<8); 692 break; 693 } 694 695 default: 696 pCmd->uCmd.Ide.Lba = (HPT_U32)cdb[5] | ((HPT_U32)cdb[4] << 8) | ((HPT_U32)cdb[3] << 16) | ((HPT_U32)cdb[2] << 24); 697 pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[8] | ((HPT_U16)cdb[7]<<8); 698 break; 699 } 700 701 switch (cdb[0]) { 702 case READ_6: 703 case READ_10: 704 case READ_16: 705 pCmd->flags.data_in = 1; 706 break; 707 case WRITE_6: 708 case WRITE_10: 709 case WRITE_16: 710 pCmd->flags.data_out = 1; 711 break; 712 } 713 pCmd->priv = ext = cmdext_get(vbus_ext); 714 HPT_ASSERT(ext); 715 ext->ccb = ccb; 716 pCmd->target = vd; 717 pCmd->done = os_cmddone; 718 pCmd->buildsgl = os_buildsgl; 719 720 pCmd->psg = ext->psg; 721 722 if (ccb->ccb_h.flags & CAM_SCATTER_VALID) { 723 int idx; 724 bus_dma_segment_t *sgList = (bus_dma_segment_t *)ccb->csio.data_ptr; 725 726 if (ccb->ccb_h.flags & CAM_SG_LIST_PHYS) 727 pCmd->flags.physical_sg = 1; 728 729 for (idx = 0; idx < ccb->csio.sglist_cnt; idx++) { 730 pCmd->psg[idx].addr.bus = sgList[idx].ds_addr; 731 pCmd->psg[idx].size = sgList[idx].ds_len; 732 pCmd->psg[idx].eot = (idx==ccb->csio.sglist_cnt-1)? 1 : 0; 733 } 734 735 ccb->ccb_h.timeout_ch = timeout(hpt_timeout, pCmd, HPT_OSM_TIMEOUT); 736 ldm_queue_cmd(pCmd); 737 } 738 else { 739 int error; 740 pCmd->flags.physical_sg = 1; 741 error = bus_dmamap_load(vbus_ext->io_dmat, 742 ext->dma_map, 743 ccb->csio.data_ptr, ccb->csio.dxfer_len, 744 hpt_io_dmamap_callback, pCmd, 745 BUS_DMA_WAITOK 746 ); 747 KdPrint(("bus_dmamap_load return %d", error)); 748 if (error && error!=EINPROGRESS) { 749 os_printk("bus_dmamap_load error %d", error); 750 cmdext_put(ext); 751 ldm_free_cmds(pCmd); 752 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 753 xpt_done(ccb); 754 } 755 } 756 return; 757 } 758 759 default: 760 ccb->ccb_h.status = CAM_REQ_INVALID; 761 break; 762 } 763 764 xpt_done(ccb); 765 return; 766} 767 768static void hpt_action(struct cam_sim *sim, union ccb *ccb) 769{ 770 PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim); 771 772 KdPrint(("hpt_action(fn=%d, id=%d)", ccb->ccb_h.func_code, ccb->ccb_h.target_id)); 773 774 switch (ccb->ccb_h.func_code) { 775 776 case XPT_SCSI_IO: 777 hpt_lock_vbus(vbus_ext); 778 hpt_scsi_io(vbus_ext, ccb); 779 hpt_unlock_vbus(vbus_ext); 780 return; 781 782 case XPT_RESET_BUS: 783 hpt_lock_vbus(vbus_ext); 784 ldm_reset_vbus((PVBUS)vbus_ext->vbus); 785 hpt_unlock_vbus(vbus_ext); 786 break; 787 788 case XPT_GET_TRAN_SETTINGS: 789 case XPT_SET_TRAN_SETTINGS: 790 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 791 break; 792 793 case XPT_CALC_GEOMETRY: 794 ccb->ccg.heads = 255; 795 ccb->ccg.secs_per_track = 63; 796 ccb->ccg.cylinders = ccb->ccg.volume_size / (ccb->ccg.heads * ccb->ccg.secs_per_track); 797 ccb->ccb_h.status = CAM_REQ_CMP; 798 break; 799 800 case XPT_PATH_INQ: 801 { 802 struct ccb_pathinq *cpi = &ccb->cpi; 803 804 cpi->version_num = 1; 805 cpi->hba_inquiry = PI_SDTR_ABLE; 806 cpi->target_sprt = 0; 807 cpi->hba_misc = PIM_NOBUSRESET; 808 cpi->hba_eng_cnt = 0; 809 cpi->max_target = osm_max_targets; 810 cpi->max_lun = 0; 811 cpi->unit_number = cam_sim_unit(sim); 812 cpi->bus_id = cam_sim_bus(sim); 813 cpi->initiator_id = osm_max_targets; 814 cpi->base_transfer_speed = 3300; 815 816 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 817 strncpy(cpi->hba_vid, "HPT ", HBA_IDLEN); 818 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 819#if (__FreeBSD_version >= 800000) 820 cpi->transport = XPORT_SPI; 821 cpi->transport_version = 2; 822 cpi->protocol = PROTO_SCSI; 823 cpi->protocol_version = SCSI_REV_2; 824#endif 825 cpi->ccb_h.status = CAM_REQ_CMP; 826 break; 827 } 828 829 default: 830 ccb->ccb_h.status = CAM_REQ_INVALID; 831 break; 832 } 833 834 xpt_done(ccb); 835 return; 836} 837 838static void hpt_pci_intr(void *arg) 839{ 840 PVBUS_EXT vbus_ext = (PVBUS_EXT)arg; 841 hpt_lock_vbus(vbus_ext); 842 ldm_intr((PVBUS)vbus_ext->vbus); 843 hpt_unlock_vbus(vbus_ext); 844} 845 846static void hpt_poll(struct cam_sim *sim) 847{ 848 hpt_pci_intr(cam_sim_softc(sim)); 849} 850 851static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg) 852{ 853 KdPrint(("hpt_async")); 854} 855 856static int hpt_shutdown(device_t dev) 857{ 858 KdPrint(("hpt_shutdown(dev=%p)", dev)); 859 return 0; 860} 861 862static int hpt_detach(device_t dev) 863{ 864 /* we don't allow the driver to be unloaded. */ 865 return EBUSY; 866} 867 868static void hpt_ioctl_done(struct _IOCTL_ARG *arg) 869{ 870 arg->ioctl_cmnd = 0; 871 wakeup(arg); 872} 873 874static void __hpt_do_ioctl(PVBUS_EXT vbus_ext, IOCTL_ARG *ioctl_args) 875{ 876 ioctl_args->result = -1; 877 ioctl_args->done = hpt_ioctl_done; 878 ioctl_args->ioctl_cmnd = (void *)1; 879 880 hpt_lock_vbus(vbus_ext); 881 ldm_ioctl((PVBUS)vbus_ext->vbus, ioctl_args); 882 883 while (ioctl_args->ioctl_cmnd) { 884 if (hpt_sleep(vbus_ext, ioctl_args, PPAUSE, "hptctl", HPT_OSM_TIMEOUT)==0) 885 break; 886 ldm_reset_vbus((PVBUS)vbus_ext->vbus); 887 __hpt_do_tasks(vbus_ext); 888 } 889 890 /* KdPrint(("ioctl %x result %d", ioctl_args->dwIoControlCode, ioctl_args->result)); */ 891 892 hpt_unlock_vbus(vbus_ext); 893} 894 895static void hpt_do_ioctl(IOCTL_ARG *ioctl_args) 896{ 897 PVBUS vbus; 898 PVBUS_EXT vbus_ext; 899 900 ldm_for_each_vbus(vbus, vbus_ext) { 901 __hpt_do_ioctl(vbus_ext, ioctl_args); 902 if (ioctl_args->result!=HPT_IOCTL_RESULT_WRONG_VBUS) 903 return; 904 } 905} 906 907#define HPT_DO_IOCTL(code, inbuf, insize, outbuf, outsize) ({\ 908 IOCTL_ARG arg;\ 909 arg.dwIoControlCode = code;\ 910 arg.lpInBuffer = inbuf;\ 911 arg.lpOutBuffer = outbuf;\ 912 arg.nInBufferSize = insize;\ 913 arg.nOutBufferSize = outsize;\ 914 arg.lpBytesReturned = 0;\ 915 hpt_do_ioctl(&arg);\ 916 arg.result;\ 917}) 918 919#define DEVICEID_VALID(id) ((id) && ((HPT_U32)(id)!=0xffffffff)) 920 921static int hpt_get_logical_devices(DEVICEID * pIds, int nMaxCount) 922{ 923 int i; 924 HPT_U32 count = nMaxCount-1; 925 926 if (HPT_DO_IOCTL(HPT_IOCTL_GET_LOGICAL_DEVICES, 927 &count, sizeof(HPT_U32), pIds, sizeof(DEVICEID)*nMaxCount)) 928 return -1; 929 930 nMaxCount = (int)pIds[0]; 931 for (i=0; i<nMaxCount; i++) pIds[i] = pIds[i+1]; 932 return nMaxCount; 933} 934 935static int hpt_get_device_info_v3(DEVICEID id, PLOGICAL_DEVICE_INFO_V3 pInfo) 936{ 937 return HPT_DO_IOCTL(HPT_IOCTL_GET_DEVICE_INFO_V3, 938 &id, sizeof(DEVICEID), pInfo, sizeof(LOGICAL_DEVICE_INFO_V3)); 939} 940 941/* not belong to this file logically, but we want to use ioctl interface */ 942static int __hpt_stop_tasks(PVBUS_EXT vbus_ext, DEVICEID id) 943{ 944 LOGICAL_DEVICE_INFO_V3 devinfo; 945 int i, result; 946 DEVICEID param[2] = { id, 0 }; 947 948 if (hpt_get_device_info_v3(id, &devinfo)) 949 return -1; 950 951 if (devinfo.Type!=LDT_ARRAY) 952 return -1; 953 954 if (devinfo.u.array.Flags & ARRAY_FLAG_REBUILDING) 955 param[1] = AS_REBUILD_ABORT; 956 else if (devinfo.u.array.Flags & ARRAY_FLAG_VERIFYING) 957 param[1] = AS_VERIFY_ABORT; 958 else if (devinfo.u.array.Flags & ARRAY_FLAG_INITIALIZING) 959 param[1] = AS_INITIALIZE_ABORT; 960 else if (devinfo.u.array.Flags & ARRAY_FLAG_TRANSFORMING) 961 param[1] = AS_TRANSFORM_ABORT; 962 else 963 return -1; 964 965 KdPrint(("SET_ARRAY_STATE(%x, %d)", param[0], param[1])); 966 result = HPT_DO_IOCTL(HPT_IOCTL_SET_ARRAY_STATE, 967 param, sizeof(param), 0, 0); 968 969 for (i=0; i<devinfo.u.array.nDisk; i++) 970 if (DEVICEID_VALID(devinfo.u.array.Members[i])) 971 __hpt_stop_tasks(vbus_ext, devinfo.u.array.Members[i]); 972 973 return result; 974} 975 976static void hpt_stop_tasks(PVBUS_EXT vbus_ext) 977{ 978 DEVICEID ids[32]; 979 int i, count; 980 981 count = hpt_get_logical_devices((DEVICEID *)&ids, sizeof(ids)/sizeof(ids[0])); 982 983 for (i=0; i<count; i++) 984 __hpt_stop_tasks(vbus_ext, ids[i]); 985} 986 987static d_open_t hpt_open; 988static d_close_t hpt_close; 989static d_ioctl_t hpt_ioctl; 990static void hpt_bus_scan_cb(struct cam_periph *periph, union ccb *ccb); 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; 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 os_printk("no controller detected."); 1040 return; 1041 } 1042 1043 /* initializing hardware */ 1044 ldm_for_each_vbus(vbus, vbus_ext) { 1045 /* make timer available here */ 1046 callout_handle_init(&vbus_ext->timer); 1047 if (hpt_init_vbus(vbus_ext)) { 1048 os_printk("fail to initialize hardware"); 1049 break; /* FIXME */ 1050 } 1051 } 1052 1053 /* register CAM interface */ 1054 ldm_for_each_vbus(vbus, vbus_ext) { 1055 struct cam_devq *devq; 1056 struct ccb_setasync ccb; 1057 1058#if (__FreeBSD_version >= 500000) 1059 mtx_init(&vbus_ext->lock, "hptsleeplock", NULL, MTX_DEF); 1060#endif 1061 if (bus_dma_tag_create(NULL,/* parent */ 1062 4, /* alignment */ 1063 BUS_SPACE_MAXADDR_32BIT+1, /* boundary */ 1064 BUS_SPACE_MAXADDR, /* lowaddr */ 1065 BUS_SPACE_MAXADDR, /* highaddr */ 1066 NULL, NULL, /* filter, filterarg */ 1067 PAGE_SIZE * (os_max_sg_descriptors-1), /* maxsize */ 1068 os_max_sg_descriptors, /* nsegments */ 1069 0x10000, /* maxsegsize */ 1070 BUS_DMA_WAITOK, /* flags */ 1071#if __FreeBSD_version>502000 1072 busdma_lock_mutex, /* lockfunc */ 1073 &vbus_ext->lock, /* lockfuncarg */ 1074#endif 1075 &vbus_ext->io_dmat /* tag */)) 1076 { 1077 return ; 1078 } 1079 1080 for (i=0; i<os_max_queue_comm; i++) { 1081 POS_CMDEXT ext = (POS_CMDEXT)malloc(sizeof(OS_CMDEXT), M_DEVBUF, M_WAITOK); 1082 if (!ext) { 1083 os_printk("Can't alloc cmdext(%d)", i); 1084 return ; 1085 } 1086 ext->vbus_ext = vbus_ext; 1087 ext->next = vbus_ext->cmdext_list; 1088 vbus_ext->cmdext_list = ext; 1089 1090 if (bus_dmamap_create(vbus_ext->io_dmat, 0, &ext->dma_map)) { 1091 os_printk("Can't create dma map(%d)", i); 1092 return ; 1093 } 1094 } 1095 1096 if ((devq = cam_simq_alloc(os_max_queue_comm)) == NULL) { 1097 os_printk("cam_simq_alloc failed"); 1098 return ; 1099 } 1100 1101#if __FreeBSD_version > 700025 1102 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name, 1103 vbus_ext, 0, &Giant, os_max_queue_comm, /*tagged*/8, devq); 1104#else 1105 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name, 1106 vbus_ext, 0, os_max_queue_comm, /*tagged*/8, devq); 1107#endif 1108 1109 if (!vbus_ext->sim) { 1110 os_printk("cam_sim_alloc failed"); 1111 cam_simq_free(devq); 1112 return ; 1113 } 1114 1115#if __FreeBSD_version > 700044 1116 if (xpt_bus_register(vbus_ext->sim, NULL, 0) != CAM_SUCCESS) { 1117#else 1118 if (xpt_bus_register(vbus_ext->sim, 0) != CAM_SUCCESS) { 1119#endif 1120 os_printk("xpt_bus_register failed"); 1121 cam_sim_free(vbus_ext->sim, /*free devq*/ TRUE); 1122 vbus_ext->sim = NULL; 1123 return ; 1124 } 1125 1126 if (xpt_create_path(&vbus_ext->path, /*periph */ NULL, 1127 cam_sim_path(vbus_ext->sim), CAM_TARGET_WILDCARD, 1128 CAM_LUN_WILDCARD) != CAM_REQ_CMP) 1129 { 1130 os_printk("xpt_create_path failed"); 1131 xpt_bus_deregister(cam_sim_path(vbus_ext->sim)); 1132 cam_sim_free(vbus_ext->sim, /*free_devq*/TRUE); 1133 vbus_ext->sim = NULL; 1134 return ; 1135 } 1136 1137 xpt_setup_ccb(&ccb.ccb_h, vbus_ext->path, /*priority*/5); 1138 ccb.ccb_h.func_code = XPT_SASYNC_CB; 1139 ccb.event_enable = AC_LOST_DEVICE; 1140 ccb.callback = hpt_async; 1141 ccb.callback_arg = vbus_ext; 1142 xpt_action((union ccb *)&ccb); 1143 1144 for (hba = vbus_ext->hba_list; hba; hba = hba->next) { 1145 int rid = 0; 1146 if ((hba->irq_res = bus_alloc_resource(hba->pcidev, 1147 SYS_RES_IRQ, &rid, 0, ~0ul, 1, RF_SHAREABLE | RF_ACTIVE)) == NULL) 1148 { 1149 os_printk("can't allocate interrupt"); 1150 return ; 1151 } 1152 1153 if (bus_setup_intr(hba->pcidev, hba->irq_res, INTR_TYPE_CAM, 1154#if __FreeBSD_version > 700025 1155 NULL, hpt_pci_intr, vbus_ext, &hba->irq_handle)) 1156#else 1157 hpt_pci_intr, vbus_ext, &hba->irq_handle)) 1158#endif 1159 { 1160 os_printk("can't set up interrupt"); 1161 return ; 1162 } 1163 hba->ldm_adapter.him->intr_control(hba->ldm_adapter.him_handle, HPT_TRUE); 1164 1165 } 1166 1167 vbus_ext->shutdown_eh = EVENTHANDLER_REGISTER(shutdown_final, 1168 hpt_shutdown_vbus, vbus_ext, SHUTDOWN_PRI_DEFAULT); 1169 if (!vbus_ext->shutdown_eh) 1170 os_printk("Shutdown event registration failed"); 1171 } 1172 1173 ldm_for_each_vbus(vbus, vbus_ext) { 1174 TASK_INIT(&vbus_ext->worker, 0, (task_fn_t *)hpt_do_tasks, vbus_ext); 1175 if (vbus_ext->tasks) 1176 TASK_ENQUEUE(&vbus_ext->worker); 1177 } 1178 1179 make_dev(&hpt_cdevsw, DRIVER_MINOR, UID_ROOT, GID_OPERATOR, 1180 S_IRUSR | S_IWUSR, driver_name); 1181} 1182 1183#if defined(KLD_MODULE) && (__FreeBSD_version >= 503000) 1184 1185typedef struct driverlink *driverlink_t; 1186struct driverlink { 1187 kobj_class_t driver; 1188 TAILQ_ENTRY(driverlink) link; /* list of drivers in devclass */ 1189}; 1190 1191typedef TAILQ_HEAD(driver_list, driverlink) driver_list_t; 1192 1193struct devclass { 1194 TAILQ_ENTRY(devclass) link; 1195 devclass_t parent; /* parent in devclass hierarchy */ 1196 driver_list_t drivers; /* bus devclasses store drivers for bus */ 1197 char *name; 1198 device_t *devices; /* array of devices indexed by unit */ 1199 int maxunit; /* size of devices array */ 1200}; 1201 1202static void override_kernel_driver(void) 1203{ 1204 driverlink_t dl, dlfirst; 1205 driver_t *tmpdriver; 1206 devclass_t dc = devclass_find("pci"); 1207 1208 if (dc){ 1209 dlfirst = TAILQ_FIRST(&dc->drivers); 1210 for (dl = dlfirst; dl; dl = TAILQ_NEXT(dl, link)) { 1211 if(strcmp(dl->driver->name, driver_name) == 0) { 1212 tmpdriver=dl->driver; 1213 dl->driver=dlfirst->driver; 1214 dlfirst->driver=tmpdriver; 1215 break; 1216 } 1217 } 1218 } 1219} 1220 1221#else 1222#define override_kernel_driver() 1223#endif 1224 1225static void hpt_init(void *dummy) 1226{ 1227 os_printk("%s %s", driver_name_long, driver_ver); 1228 1229 override_kernel_driver(); 1230 init_config(); 1231 1232 hpt_ich.ich_func = hpt_final_init; 1233 hpt_ich.ich_arg = NULL; 1234 if (config_intrhook_establish(&hpt_ich) != 0) { 1235 printf("%s: cannot establish configuration hook\n", 1236 driver_name_long); 1237 } 1238 1239} 1240SYSINIT(hptinit, SI_SUB_CONFIGURE, SI_ORDER_FIRST, hpt_init, NULL); 1241 1242/* 1243 * CAM driver interface 1244 */ 1245static device_method_t driver_methods[] = { 1246 /* Device interface */ 1247 DEVMETHOD(device_probe, hpt_probe), 1248 DEVMETHOD(device_attach, hpt_attach), 1249 DEVMETHOD(device_detach, hpt_detach), 1250 DEVMETHOD(device_shutdown, hpt_shutdown), 1251 { 0, 0 } 1252}; 1253 1254static driver_t hpt_pci_driver = { 1255 driver_name, 1256 driver_methods, 1257 sizeof(HBA) 1258}; 1259 1260static devclass_t hpt_devclass; 1261 1262#ifndef TARGETNAME 1263#error "no TARGETNAME found" 1264#endif 1265 1266/* use this to make TARGETNAME be expanded */ 1267#define __DRIVER_MODULE(p1, p2, p3, p4, p5, p6) DRIVER_MODULE(p1, p2, p3, p4, p5, p6) 1268#define __MODULE_VERSION(p1, p2) MODULE_VERSION(p1, p2) 1269#define __MODULE_DEPEND(p1, p2, p3, p4, p5) MODULE_DEPEND(p1, p2, p3, p4, p5) 1270__DRIVER_MODULE(TARGETNAME, pci, hpt_pci_driver, hpt_devclass, 0, 0); 1271__MODULE_VERSION(TARGETNAME, 1); 1272__MODULE_DEPEND(TARGETNAME, cam, 1, 1, 1); 1273 1274#if __FreeBSD_version>503000 1275typedef struct cdev * ioctl_dev_t; 1276#else 1277typedef dev_t ioctl_dev_t; 1278#endif 1279 1280#if __FreeBSD_version >= 500000 1281typedef struct thread * ioctl_thread_t; 1282#else 1283typedef struct proc * ioctl_thread_t; 1284#endif 1285 1286static int hpt_open(ioctl_dev_t dev, int flags, int devtype, ioctl_thread_t td) 1287{ 1288 return 0; 1289} 1290 1291static int hpt_close(ioctl_dev_t dev, int flags, int devtype, ioctl_thread_t td) 1292{ 1293 return 0; 1294} 1295 1296static int hpt_ioctl(ioctl_dev_t dev, u_long cmd, caddr_t data, int fflag, ioctl_thread_t td) 1297{ 1298 PHPT_IOCTL_PARAM piop=(PHPT_IOCTL_PARAM)data; 1299 IOCTL_ARG ioctl_args; 1300 HPT_U32 bytesReturned; 1301 1302 switch (cmd){ 1303 case HPT_DO_IOCONTROL: 1304 { 1305 if (piop->Magic == HPT_IOCTL_MAGIC || piop->Magic == HPT_IOCTL_MAGIC32) { 1306 KdPrint(("ioctl=%x in=%p len=%d out=%p len=%d\n", 1307 piop->dwIoControlCode, 1308 piop->lpInBuffer, 1309 piop->nInBufferSize, 1310 piop->lpOutBuffer, 1311 piop->nOutBufferSize)); 1312 1313 memset(&ioctl_args, 0, sizeof(ioctl_args)); 1314 1315 ioctl_args.dwIoControlCode = piop->dwIoControlCode; 1316 ioctl_args.nInBufferSize = piop->nInBufferSize; 1317 ioctl_args.nOutBufferSize = piop->nOutBufferSize; 1318 ioctl_args.lpBytesReturned = &bytesReturned; 1319 1320 if (ioctl_args.nInBufferSize) { 1321 ioctl_args.lpInBuffer = malloc(ioctl_args.nInBufferSize, M_DEVBUF, M_WAITOK); 1322 if (!ioctl_args.lpInBuffer) 1323 goto invalid; 1324 if (copyin((void*)piop->lpInBuffer, 1325 ioctl_args.lpInBuffer, piop->nInBufferSize)) 1326 goto invalid; 1327 } 1328 1329 if (ioctl_args.nOutBufferSize) { 1330 ioctl_args.lpOutBuffer = malloc(ioctl_args.nOutBufferSize, M_DEVBUF, M_WAITOK); 1331 if (!ioctl_args.lpOutBuffer) 1332 goto invalid; 1333 } 1334 1335#if (__FreeBSD_version >= 500000) 1336 mtx_lock(&Giant); 1337#endif 1338 1339 hpt_do_ioctl(&ioctl_args); 1340 1341#if (__FreeBSD_version >= 500000) 1342 mtx_unlock(&Giant); 1343#endif 1344 1345 if (ioctl_args.result==HPT_IOCTL_RESULT_OK) { 1346 if (piop->nOutBufferSize) { 1347 if (copyout(ioctl_args.lpOutBuffer, 1348 (void*)piop->lpOutBuffer, piop->nOutBufferSize)) 1349 goto invalid; 1350 } 1351 if (piop->lpBytesReturned) { 1352 if (copyout(&bytesReturned, 1353 (void*)piop->lpBytesReturned, sizeof(HPT_U32))) 1354 goto invalid; 1355 } 1356 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF); 1357 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF); 1358 return 0; 1359 } 1360invalid: 1361 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF); 1362 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF); 1363 return EFAULT; 1364 } 1365 return EFAULT; 1366 } 1367 1368 case HPT_SCAN_BUS: 1369 { 1370 return hpt_rescan_bus(); 1371 } 1372 default: 1373 KdPrint(("invalid command!")); 1374 return EFAULT; 1375 } 1376 1377} 1378 1379static int hpt_rescan_bus(void) 1380{ 1381 struct cam_path *path; 1382 union ccb *ccb; 1383 PVBUS vbus; 1384 PVBUS_EXT vbus_ext; 1385 1386#if (__FreeBSD_version >= 500000) 1387 mtx_lock(&Giant); 1388#endif 1389 1390 ldm_for_each_vbus(vbus, vbus_ext) { 1391 if (xpt_create_path(&path, xpt_periph, cam_sim_path(vbus_ext->sim), 1392 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) 1393 return(EIO); 1394 if ((ccb = malloc(sizeof(union ccb), M_TEMP, M_WAITOK)) == NULL) 1395 return(ENOMEM); 1396 bzero(ccb, sizeof(union ccb)); 1397 xpt_setup_ccb(&ccb->ccb_h, path, 5); 1398 ccb->ccb_h.func_code = XPT_SCAN_BUS; 1399 ccb->ccb_h.cbfcnp = hpt_bus_scan_cb; 1400 ccb->crcn.flags = CAM_FLAG_NONE; 1401 xpt_action(ccb); 1402 } 1403 1404#if (__FreeBSD_version >= 500000) 1405 mtx_unlock(&Giant); 1406#endif 1407 1408 return(0); 1409} 1410 1411static void hpt_bus_scan_cb(struct cam_periph *periph, union ccb *ccb) 1412{ 1413 if (ccb->ccb_h.status != CAM_REQ_CMP) 1414 KdPrint(("cam_scan_callback: failure status = %x",ccb->ccb_h.status)); 1415 else 1416 KdPrint(("Scan bus successfully!")); 1417 1418 xpt_free_path(ccb->ccb_h.path); 1419 free(ccb, M_TEMP); 1420 return; 1421} 1422