hpt27xx_osm_bsd.c revision 330897
1/*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 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: stable/11/sys/dev/hpt27xx/hpt27xx_osm_bsd.c 330897 2018-03-14 03:19:51Z eadler $ 29 */ 30 31#include <dev/hpt27xx/hpt27xx_config.h> 32 33#include <dev/hpt27xx/os_bsd.h> 34#include <dev/hpt27xx/hptintf.h> 35 36static HIM *hpt_match(device_t dev, int scan) 37{ 38 PCI_ID pci_id; 39 HIM *him; 40 int i; 41 42 for (him = him_list; him; him = him->next) { 43 for (i=0; him->get_supported_device_id(i, &pci_id); i++) { 44 if (scan && him->get_controller_count) 45 him->get_controller_count(&pci_id,0,0); 46 if ((pci_get_vendor(dev) == pci_id.vid) && 47 (pci_get_device(dev) == pci_id.did)){ 48 return (him); 49 } 50 } 51 } 52 return (NULL); 53} 54 55static int hpt_probe(device_t dev) 56{ 57 HIM *him; 58 59 him = hpt_match(dev, 0); 60 if (him != NULL) { 61 KdPrint(("hpt_probe: adapter at PCI %d:%d:%d, IRQ %d", 62 pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev), pci_get_irq(dev) 63 )); 64 device_set_desc(dev, him->name); 65 return (BUS_PROBE_DEFAULT); 66 } 67 68 return (ENXIO); 69} 70 71static int hpt_attach(device_t dev) 72{ 73 PHBA hba = (PHBA)device_get_softc(dev); 74 HIM *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 him = hpt_match(dev, 1); 83 hba->ext_type = EXT_TYPE_HBA; 84 hba->ldm_adapter.him = him; 85 pci_enable_busmaster(dev); 86 87 pci_id.vid = pci_get_vendor(dev); 88 pci_id.did = pci_get_device(dev); 89 pci_id.rev = pci_get_revid(dev); 90 pci_id.subsys = (HPT_U32)(pci_get_subdevice(dev)) << 16 | pci_get_subvendor(dev); 91 92 size = him->get_adapter_size(&pci_id); 93 hba->ldm_adapter.him_handle = malloc(size, M_DEVBUF, M_WAITOK); 94 if (!hba->ldm_adapter.him_handle) 95 return ENXIO; 96 97 hba->pcidev = dev; 98 hba->pciaddr.tree = 0; 99 hba->pciaddr.bus = pci_get_bus(dev); 100 hba->pciaddr.device = pci_get_slot(dev); 101 hba->pciaddr.function = pci_get_function(dev); 102 103 if (!him->create_adapter(&pci_id, hba->pciaddr, hba->ldm_adapter.him_handle, hba)) { 104 free(hba->ldm_adapter.him_handle, M_DEVBUF); 105 return ENXIO; 106 } 107 108 os_printk("adapter at PCI %d:%d:%d, IRQ %d", 109 hba->pciaddr.bus, hba->pciaddr.device, hba->pciaddr.function, pci_get_irq(dev)); 110 111 if (!ldm_register_adapter(&hba->ldm_adapter)) { 112 size = ldm_get_vbus_size(); 113 vbus_ext = malloc(sizeof(VBUS_EXT) + size, M_DEVBUF, M_WAITOK); 114 if (!vbus_ext) { 115 free(hba->ldm_adapter.him_handle, M_DEVBUF); 116 return ENXIO; 117 } 118 memset(vbus_ext, 0, sizeof(VBUS_EXT)); 119 vbus_ext->ext_type = EXT_TYPE_VBUS; 120 ldm_create_vbus((PVBUS)vbus_ext->vbus, vbus_ext); 121 ldm_register_adapter(&hba->ldm_adapter); 122 } 123 124 ldm_for_each_vbus(vbus, vbus_ext) { 125 if (hba->ldm_adapter.vbus==vbus) { 126 hba->vbus_ext = vbus_ext; 127 hba->next = vbus_ext->hba_list; 128 vbus_ext->hba_list = hba; 129 break; 130 } 131 } 132 return 0; 133} 134 135/* 136 * Maybe we'd better to use the bus_dmamem_alloc to alloc DMA memory, 137 * but there are some problems currently (alignment, etc). 138 */ 139static __inline void *__get_free_pages(int order) 140{ 141 /* don't use low memory - other devices may get starved */ 142 return contigmalloc(PAGE_SIZE<<order, 143 M_DEVBUF, M_WAITOK, BUS_SPACE_MAXADDR_24BIT, BUS_SPACE_MAXADDR, PAGE_SIZE, 0); 144} 145 146static __inline void free_pages(void *p, int order) 147{ 148 contigfree(p, PAGE_SIZE<<order, M_DEVBUF); 149} 150 151static int hpt_alloc_mem(PVBUS_EXT vbus_ext) 152{ 153 PHBA hba; 154 struct freelist *f; 155 HPT_UINT i; 156 void **p; 157 158 for (hba = vbus_ext->hba_list; hba; hba = hba->next) 159 hba->ldm_adapter.him->get_meminfo(hba->ldm_adapter.him_handle); 160 161 ldm_get_mem_info((PVBUS)vbus_ext->vbus, 0); 162 163 for (f=vbus_ext->freelist_head; f; f=f->next) { 164 KdPrint(("%s: %d*%d=%d bytes", 165 f->tag, f->count, f->size, f->count*f->size)); 166 for (i=0; i<f->count; i++) { 167 p = (void **)malloc(f->size, M_DEVBUF, M_WAITOK); 168 if (!p) return (ENXIO); 169 *p = f->head; 170 f->head = p; 171 } 172 } 173 174 for (f=vbus_ext->freelist_dma_head; f; f=f->next) { 175 int order, size, j; 176 177 HPT_ASSERT((f->size & (f->alignment-1))==0); 178 179 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) 180 ; 181 182 KdPrint(("%s: %d*%d=%d bytes, order %d", 183 f->tag, f->count, f->size, f->count*f->size, order)); 184 HPT_ASSERT(f->alignment<=PAGE_SIZE); 185 186 for (i=0; i<f->count;) { 187 p = (void **)__get_free_pages(order); 188 if (!p) return -1; 189 for (j = size/f->size; j && i<f->count; i++,j--) { 190 *p = f->head; 191 *(BUS_ADDRESS *)(p+1) = (BUS_ADDRESS)vtophys(p); 192 f->head = p; 193 p = (void **)((unsigned long)p + f->size); 194 } 195 } 196 } 197 198 HPT_ASSERT(PAGE_SIZE==DMAPOOL_PAGE_SIZE); 199 200 for (i=0; i<os_max_cache_pages; i++) { 201 p = (void **)__get_free_pages(0); 202 if (!p) return -1; 203 HPT_ASSERT(((HPT_UPTR)p & (DMAPOOL_PAGE_SIZE-1))==0); 204 dmapool_put_page((PVBUS)vbus_ext->vbus, p, (BUS_ADDRESS)vtophys(p)); 205 } 206 207 return 0; 208} 209 210static void hpt_free_mem(PVBUS_EXT vbus_ext) 211{ 212 struct freelist *f; 213 void *p; 214 int i; 215 BUS_ADDRESS bus; 216 217 for (f=vbus_ext->freelist_head; f; f=f->next) { 218#if DBG 219 if (f->count!=f->reserved_count) { 220 KdPrint(("memory leak for freelist %s (%d/%d)", f->tag, f->count, f->reserved_count)); 221 } 222#endif 223 while ((p=freelist_get(f))) 224 free(p, M_DEVBUF); 225 } 226 227 for (i=0; i<os_max_cache_pages; i++) { 228 p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus); 229 HPT_ASSERT(p); 230 free_pages(p, 0); 231 } 232 233 for (f=vbus_ext->freelist_dma_head; f; f=f->next) { 234 int order, size; 235#if DBG 236 if (f->count!=f->reserved_count) { 237 KdPrint(("memory leak for dma freelist %s (%d/%d)", f->tag, f->count, f->reserved_count)); 238 } 239#endif 240 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) ; 241 242 while ((p=freelist_get_dma(f, &bus))) { 243 if (order) 244 free_pages(p, order); 245 else { 246 /* can't free immediately since other blocks in this page may still be in the list */ 247 if (((HPT_UPTR)p & (PAGE_SIZE-1))==0) 248 dmapool_put_page((PVBUS)vbus_ext->vbus, p, bus); 249 } 250 } 251 } 252 253 while ((p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus))) 254 free_pages(p, 0); 255} 256 257static int hpt_init_vbus(PVBUS_EXT vbus_ext) 258{ 259 PHBA hba; 260 261 for (hba = vbus_ext->hba_list; hba; hba = hba->next) 262 if (!hba->ldm_adapter.him->initialize(hba->ldm_adapter.him_handle)) { 263 KdPrint(("fail to initialize %p", hba)); 264 return -1; 265 } 266 267 ldm_initialize_vbus((PVBUS)vbus_ext->vbus, &vbus_ext->hba_list->ldm_adapter); 268 return 0; 269} 270 271static void hpt_flush_done(PCOMMAND pCmd) 272{ 273 PVDEV vd = pCmd->target; 274 275 if (mIsArray(vd->type) && vd->u.array.transform && vd!=vd->u.array.transform->target) { 276 vd = vd->u.array.transform->target; 277 HPT_ASSERT(vd); 278 pCmd->target = vd; 279 pCmd->Result = RETURN_PENDING; 280 vdev_queue_cmd(pCmd); 281 return; 282 } 283 284 *(int *)pCmd->priv = 1; 285 wakeup(pCmd); 286} 287 288/* 289 * flush a vdev (without retry). 290 */ 291static int hpt_flush_vdev(PVBUS_EXT vbus_ext, PVDEV vd) 292{ 293 PCOMMAND pCmd; 294 int result = 0, done; 295 HPT_UINT count; 296 297 KdPrint(("flusing dev %p", vd)); 298 299 hpt_lock_vbus(vbus_ext); 300 301 if (mIsArray(vd->type) && vd->u.array.transform) 302 count = max(vd->u.array.transform->source->cmds_per_request, 303 vd->u.array.transform->target->cmds_per_request); 304 else 305 count = vd->cmds_per_request; 306 307 pCmd = ldm_alloc_cmds(vd->vbus, count); 308 309 if (!pCmd) { 310 hpt_unlock_vbus(vbus_ext); 311 return -1; 312 } 313 314 pCmd->type = CMD_TYPE_FLUSH; 315 pCmd->flags.hard_flush = 1; 316 pCmd->target = vd; 317 pCmd->done = hpt_flush_done; 318 done = 0; 319 pCmd->priv = &done; 320 321 ldm_queue_cmd(pCmd); 322 323 if (!done) { 324 while (hpt_sleep(vbus_ext, pCmd, PPAUSE, "hptfls", HPT_OSM_TIMEOUT)) { 325 ldm_reset_vbus(vd->vbus); 326 } 327 } 328 329 KdPrint(("flush result %d", pCmd->Result)); 330 331 if (pCmd->Result!=RETURN_SUCCESS) 332 result = -1; 333 334 ldm_free_cmds(pCmd); 335 336 hpt_unlock_vbus(vbus_ext); 337 338 return result; 339} 340 341static void hpt_stop_tasks(PVBUS_EXT vbus_ext); 342static void hpt_shutdown_vbus(PVBUS_EXT vbus_ext, int howto) 343{ 344 PVBUS vbus = (PVBUS)vbus_ext->vbus; 345 PHBA hba; 346 int i; 347 348 KdPrint(("hpt_shutdown_vbus")); 349 350 /* stop all ctl tasks and disable the worker taskqueue */ 351 hpt_stop_tasks(vbus_ext); 352 vbus_ext->worker.ta_context = 0; 353 354 /* flush devices */ 355 for (i=0; i<osm_max_targets; i++) { 356 PVDEV vd = ldm_find_target(vbus, i); 357 if (vd) { 358 /* retry once */ 359 if (hpt_flush_vdev(vbus_ext, vd)) 360 hpt_flush_vdev(vbus_ext, vd); 361 } 362 } 363 364 hpt_lock_vbus(vbus_ext); 365 ldm_shutdown(vbus); 366 hpt_unlock_vbus(vbus_ext); 367 368 ldm_release_vbus(vbus); 369 370 for (hba=vbus_ext->hba_list; hba; hba=hba->next) 371 bus_teardown_intr(hba->pcidev, hba->irq_res, hba->irq_handle); 372 373 hpt_free_mem(vbus_ext); 374 375 while ((hba=vbus_ext->hba_list)) { 376 vbus_ext->hba_list = hba->next; 377 free(hba->ldm_adapter.him_handle, M_DEVBUF); 378 } 379#if (__FreeBSD_version >= 1000510) 380 callout_drain(&vbus_ext->timer); 381 mtx_destroy(&vbus_ext->lock); 382#endif 383 free(vbus_ext, M_DEVBUF); 384 KdPrint(("hpt_shutdown_vbus done")); 385} 386 387static void __hpt_do_tasks(PVBUS_EXT vbus_ext) 388{ 389 OSM_TASK *tasks; 390 391 tasks = vbus_ext->tasks; 392 vbus_ext->tasks = 0; 393 394 while (tasks) { 395 OSM_TASK *t = tasks; 396 tasks = t->next; 397 t->next = 0; 398 t->func(vbus_ext->vbus, t->data); 399 } 400} 401 402static void hpt_do_tasks(PVBUS_EXT vbus_ext, int pending) 403{ 404 if(vbus_ext){ 405 hpt_lock_vbus(vbus_ext); 406 __hpt_do_tasks(vbus_ext); 407 hpt_unlock_vbus(vbus_ext); 408 } 409} 410 411static void hpt_action(struct cam_sim *sim, union ccb *ccb); 412static void hpt_poll(struct cam_sim *sim); 413static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg); 414static void hpt_pci_intr(void *arg); 415 416static __inline POS_CMDEXT cmdext_get(PVBUS_EXT vbus_ext) 417{ 418 POS_CMDEXT p = vbus_ext->cmdext_list; 419 if (p) 420 vbus_ext->cmdext_list = p->next; 421 return p; 422} 423 424static __inline void cmdext_put(POS_CMDEXT p) 425{ 426 p->next = p->vbus_ext->cmdext_list; 427 p->vbus_ext->cmdext_list = p; 428} 429 430static void hpt_timeout(void *arg) 431{ 432 PCOMMAND pCmd = (PCOMMAND)arg; 433 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv; 434 435 KdPrint(("pCmd %p timeout", pCmd)); 436 437 ldm_reset_vbus((PVBUS)ext->vbus_ext->vbus); 438} 439 440static void os_cmddone(PCOMMAND pCmd) 441{ 442 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv; 443 union ccb *ccb = ext->ccb; 444 445 KdPrint(("<8>os_cmddone(%p, %d)", pCmd, pCmd->Result)); 446#if (__FreeBSD_version >= 1000510) 447 callout_stop(&ext->timeout); 448#else 449 untimeout(hpt_timeout, pCmd, ccb->ccb_h.timeout_ch); 450#endif 451 switch(pCmd->Result) { 452 case RETURN_SUCCESS: 453 ccb->ccb_h.status = CAM_REQ_CMP; 454 break; 455 case RETURN_BAD_DEVICE: 456 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 457 break; 458 case RETURN_DEVICE_BUSY: 459 ccb->ccb_h.status = CAM_BUSY; 460 break; 461 case RETURN_INVALID_REQUEST: 462 ccb->ccb_h.status = CAM_REQ_INVALID; 463 break; 464 case RETURN_SELECTION_TIMEOUT: 465 ccb->ccb_h.status = CAM_SEL_TIMEOUT; 466 break; 467 case RETURN_RETRY: 468 ccb->ccb_h.status = CAM_BUSY; 469 break; 470 default: 471 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR; 472 break; 473 } 474 475 if (pCmd->flags.data_in) { 476 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTREAD); 477 } 478 else if (pCmd->flags.data_out) { 479 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTWRITE); 480 } 481 482 bus_dmamap_unload(ext->vbus_ext->io_dmat, ext->dma_map); 483 484 cmdext_put(ext); 485 ldm_free_cmds(pCmd); 486 xpt_done(ccb); 487} 488 489static int os_buildsgl(PCOMMAND pCmd, PSG pSg, int logical) 490{ 491 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv; 492 union ccb *ccb = ext->ccb; 493#if (__FreeBSD_version >= 1000510) 494 if(logical) { 495 os_set_sgptr(pSg, (HPT_U8 *)ccb->csio.data_ptr); 496 pSg->size = ccb->csio.dxfer_len; 497 pSg->eot = 1; 498 return TRUE; 499 } 500#else 501 bus_dma_segment_t *sgList = (bus_dma_segment_t *)ccb->csio.data_ptr; 502 int idx; 503 504 if(logical) { 505 if (ccb->ccb_h.flags & CAM_DATA_PHYS) 506 panic("physical address unsupported"); 507 508 if (ccb->ccb_h.flags & CAM_SCATTER_VALID) { 509 if (ccb->ccb_h.flags & CAM_SG_LIST_PHYS) 510 panic("physical address unsupported"); 511 512 for (idx = 0; idx < ccb->csio.sglist_cnt; idx++) { 513 os_set_sgptr(&pSg[idx], (HPT_U8 *)(HPT_UPTR)sgList[idx].ds_addr); 514 pSg[idx].size = sgList[idx].ds_len; 515 pSg[idx].eot = (idx==ccb->csio.sglist_cnt-1)? 1 : 0; 516 } 517 } 518 else { 519 os_set_sgptr(pSg, (HPT_U8 *)ccb->csio.data_ptr); 520 pSg->size = ccb->csio.dxfer_len; 521 pSg->eot = 1; 522 } 523 return TRUE; 524 } 525#endif 526 /* since we have provided physical sg, nobody will ask us to build physical sg */ 527 HPT_ASSERT(0); 528 return FALSE; 529} 530 531static void hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 532{ 533 PCOMMAND pCmd = (PCOMMAND)arg; 534 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv; 535 PSG psg = pCmd->psg; 536 int idx; 537 538 HPT_ASSERT(pCmd->flags.physical_sg); 539 540 if (error) 541 panic("busdma error"); 542 543 HPT_ASSERT(nsegs<=os_max_sg_descriptors); 544 545 if (nsegs != 0) { 546 for (idx = 0; idx < nsegs; idx++, psg++) { 547 psg->addr.bus = segs[idx].ds_addr; 548 psg->size = segs[idx].ds_len; 549 psg->eot = 0; 550 } 551 psg[-1].eot = 1; 552 553 if (pCmd->flags.data_in) { 554 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, 555 BUS_DMASYNC_PREREAD); 556 } 557 else if (pCmd->flags.data_out) { 558 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, 559 BUS_DMASYNC_PREWRITE); 560 } 561 } 562#if (__FreeBSD_version >= 1000510) 563 callout_reset(&ext->timeout, HPT_OSM_TIMEOUT, hpt_timeout, pCmd); 564#else 565 ext->ccb->ccb_h.timeout_ch = timeout(hpt_timeout, pCmd, HPT_OSM_TIMEOUT); 566#endif 567 ldm_queue_cmd(pCmd); 568} 569 570static void hpt_scsi_io(PVBUS_EXT vbus_ext, union ccb *ccb) 571{ 572 PVBUS vbus = (PVBUS)vbus_ext->vbus; 573 PVDEV vd; 574 PCOMMAND pCmd; 575 POS_CMDEXT ext; 576 HPT_U8 *cdb; 577 578 if (ccb->ccb_h.flags & CAM_CDB_POINTER) 579 cdb = ccb->csio.cdb_io.cdb_ptr; 580 else 581 cdb = ccb->csio.cdb_io.cdb_bytes; 582 583 KdPrint(("<8>hpt_scsi_io: ccb %x id %d lun %d cdb %x-%x-%x", 584 ccb, 585 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 586 *(HPT_U32 *)&cdb[0], *(HPT_U32 *)&cdb[4], *(HPT_U32 *)&cdb[8] 587 )); 588 589 /* ccb->ccb_h.path_id is not our bus id - don't check it */ 590 if (ccb->ccb_h.target_lun != 0 || 591 ccb->ccb_h.target_id >= osm_max_targets || 592 (ccb->ccb_h.flags & CAM_CDB_PHYS)) 593 { 594 ccb->ccb_h.status = CAM_TID_INVALID; 595 xpt_done(ccb); 596 return; 597 } 598 599 vd = ldm_find_target(vbus, ccb->ccb_h.target_id); 600 601 if (!vd) { 602 ccb->ccb_h.status = CAM_SEL_TIMEOUT; 603 xpt_done(ccb); 604 return; 605 } 606 607 switch (cdb[0]) { 608 case TEST_UNIT_READY: 609 case START_STOP_UNIT: 610 case SYNCHRONIZE_CACHE: 611 ccb->ccb_h.status = CAM_REQ_CMP; 612 break; 613 614 case INQUIRY: 615 { 616 PINQUIRYDATA inquiryData; 617 memset(ccb->csio.data_ptr, 0, ccb->csio.dxfer_len); 618 inquiryData = (PINQUIRYDATA)ccb->csio.data_ptr; 619 620 inquiryData->AdditionalLength = 31; 621 inquiryData->CommandQueue = 1; 622 memcpy(&inquiryData->VendorId, "HPT ", 8); 623 memcpy(&inquiryData->ProductId, "DISK 0_0 ", 16); 624 625 if (vd->target_id / 10) { 626 inquiryData->ProductId[7] = (vd->target_id % 100) / 10 + '0'; 627 inquiryData->ProductId[8] = (vd->target_id % 100) % 10 + '0'; 628 } 629 else 630 inquiryData->ProductId[7] = (vd->target_id % 100) % 10 + '0'; 631 632 memcpy(&inquiryData->ProductRevisionLevel, "4.00", 4); 633 634 ccb->ccb_h.status = CAM_REQ_CMP; 635 } 636 break; 637 638 case READ_CAPACITY: 639 { 640 HPT_U8 *rbuf = ccb->csio.data_ptr; 641 HPT_U32 cap; 642 HPT_U8 sector_size_shift = 0; 643 HPT_U64 new_cap; 644 HPT_U32 sector_size = 0; 645 646 if (mIsArray(vd->type)) 647 sector_size_shift = vd->u.array.sector_size_shift; 648 else{ 649 if(vd->type == VD_RAW){ 650 sector_size = vd->u.raw.logical_sector_size; 651 } 652 653 switch (sector_size) { 654 case 0x1000: 655 KdPrint(("set 4k setctor size in READ_CAPACITY")); 656 sector_size_shift = 3; 657 break; 658 default: 659 break; 660 } 661 } 662 new_cap = vd->capacity >> sector_size_shift; 663 664 if (new_cap > 0xfffffffful) 665 cap = 0xffffffff; 666 else 667 cap = new_cap - 1; 668 669 rbuf[0] = (HPT_U8)(cap>>24); 670 rbuf[1] = (HPT_U8)(cap>>16); 671 rbuf[2] = (HPT_U8)(cap>>8); 672 rbuf[3] = (HPT_U8)cap; 673 rbuf[4] = 0; 674 rbuf[5] = 0; 675 rbuf[6] = 2 << sector_size_shift; 676 rbuf[7] = 0; 677 678 ccb->ccb_h.status = CAM_REQ_CMP; 679 break; 680 } 681 case REPORT_LUNS: 682 { 683 HPT_U8 *rbuf = ccb->csio.data_ptr; 684 memset(rbuf, 0, 16); 685 rbuf[3] = 8; 686 ccb->ccb_h.status = CAM_REQ_CMP; 687 break; 688 } 689 case SERVICE_ACTION_IN: 690 { 691 HPT_U8 *rbuf = ccb->csio.data_ptr; 692 HPT_U64 cap = 0; 693 HPT_U8 sector_size_shift = 0; 694 HPT_U32 sector_size = 0; 695 696 if(mIsArray(vd->type)) 697 sector_size_shift = vd->u.array.sector_size_shift; 698 else{ 699 if(vd->type == VD_RAW){ 700 sector_size = vd->u.raw.logical_sector_size; 701 } 702 703 switch (sector_size) { 704 case 0x1000: 705 KdPrint(("set 4k setctor size in SERVICE_ACTION_IN")); 706 sector_size_shift = 3; 707 break; 708 default: 709 break; 710 } 711 } 712 cap = (vd->capacity >> sector_size_shift) - 1; 713 714 rbuf[0] = (HPT_U8)(cap>>56); 715 rbuf[1] = (HPT_U8)(cap>>48); 716 rbuf[2] = (HPT_U8)(cap>>40); 717 rbuf[3] = (HPT_U8)(cap>>32); 718 rbuf[4] = (HPT_U8)(cap>>24); 719 rbuf[5] = (HPT_U8)(cap>>16); 720 rbuf[6] = (HPT_U8)(cap>>8); 721 rbuf[7] = (HPT_U8)cap; 722 rbuf[8] = 0; 723 rbuf[9] = 0; 724 rbuf[10] = 2 << sector_size_shift; 725 rbuf[11] = 0; 726 727 ccb->ccb_h.status = CAM_REQ_CMP; 728 break; 729 } 730 731 case READ_6: 732 case READ_10: 733 case READ_16: 734 case WRITE_6: 735 case WRITE_10: 736 case WRITE_16: 737 case 0x13: 738 case 0x2f: 739 case 0x8f: /* VERIFY_16 */ 740 { 741 HPT_U8 sector_size_shift = 0; 742 HPT_U32 sector_size = 0; 743 pCmd = ldm_alloc_cmds(vbus, vd->cmds_per_request); 744 if(!pCmd){ 745 KdPrint(("Failed to allocate command!")); 746 ccb->ccb_h.status = CAM_BUSY; 747 break; 748 } 749 750 switch (cdb[0]) { 751 case READ_6: 752 case WRITE_6: 753 case 0x13: 754 pCmd->uCmd.Ide.Lba = ((HPT_U32)cdb[1] << 16) | ((HPT_U32)cdb[2] << 8) | (HPT_U32)cdb[3]; 755 pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[4]; 756 break; 757 case READ_16: 758 case WRITE_16: 759 case 0x8f: /* VERIFY_16 */ 760 { 761 HPT_U64 block = 762 ((HPT_U64)cdb[2]<<56) | 763 ((HPT_U64)cdb[3]<<48) | 764 ((HPT_U64)cdb[4]<<40) | 765 ((HPT_U64)cdb[5]<<32) | 766 ((HPT_U64)cdb[6]<<24) | 767 ((HPT_U64)cdb[7]<<16) | 768 ((HPT_U64)cdb[8]<<8) | 769 ((HPT_U64)cdb[9]); 770 pCmd->uCmd.Ide.Lba = block; 771 pCmd->uCmd.Ide.nSectors = (HPT_U16)cdb[13] | ((HPT_U16)cdb[12]<<8); 772 break; 773 } 774 775 default: 776 pCmd->uCmd.Ide.Lba = (HPT_U32)cdb[5] | ((HPT_U32)cdb[4] << 8) | ((HPT_U32)cdb[3] << 16) | ((HPT_U32)cdb[2] << 24); 777 pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[8] | ((HPT_U16)cdb[7]<<8); 778 break; 779 } 780 781 if(mIsArray(vd->type)) { 782 sector_size_shift = vd->u.array.sector_size_shift; 783 } 784 else{ 785 if(vd->type == VD_RAW){ 786 sector_size = vd->u.raw.logical_sector_size; 787 } 788 789 switch (sector_size) { 790 case 0x1000: 791 KdPrint(("<8>resize sector size from 4k to 512")); 792 sector_size_shift = 3; 793 break; 794 default: 795 break; 796 } 797 } 798 pCmd->uCmd.Ide.Lba <<= sector_size_shift; 799 pCmd->uCmd.Ide.nSectors <<= sector_size_shift; 800 801 802 switch (cdb[0]) { 803 case READ_6: 804 case READ_10: 805 case READ_16: 806 pCmd->flags.data_in = 1; 807 break; 808 case WRITE_6: 809 case WRITE_10: 810 case WRITE_16: 811 pCmd->flags.data_out = 1; 812 break; 813 } 814 pCmd->priv = ext = cmdext_get(vbus_ext); 815 HPT_ASSERT(ext); 816 ext->ccb = ccb; 817 pCmd->target = vd; 818 pCmd->done = os_cmddone; 819 pCmd->buildsgl = os_buildsgl; 820 821 pCmd->psg = ext->psg; 822#if (__FreeBSD_version < 1000510) 823 if (ccb->ccb_h.flags & CAM_SCATTER_VALID) { 824 int idx; 825 bus_dma_segment_t *sgList = (bus_dma_segment_t *)ccb->csio.data_ptr; 826 827 if (ccb->ccb_h.flags & CAM_SG_LIST_PHYS) 828 pCmd->flags.physical_sg = 1; 829 830 for (idx = 0; idx < ccb->csio.sglist_cnt; idx++) { 831 pCmd->psg[idx].addr.bus = sgList[idx].ds_addr; 832 pCmd->psg[idx].size = sgList[idx].ds_len; 833 pCmd->psg[idx].eot = (idx==ccb->csio.sglist_cnt-1)? 1 : 0; 834 } 835 836 ccb->ccb_h.timeout_ch = timeout(hpt_timeout, pCmd, HPT_OSM_TIMEOUT); 837 ldm_queue_cmd(pCmd); 838 } 839 else 840#endif 841 { 842 int error; 843 pCmd->flags.physical_sg = 1; 844#if (__FreeBSD_version >= 1000510) 845 error = bus_dmamap_load_ccb(vbus_ext->io_dmat, 846 ext->dma_map, ccb, 847 hpt_io_dmamap_callback, pCmd, 848 BUS_DMA_WAITOK 849 ); 850#else 851 error = bus_dmamap_load(vbus_ext->io_dmat, 852 ext->dma_map, 853 ccb->csio.data_ptr, ccb->csio.dxfer_len, 854 hpt_io_dmamap_callback, pCmd, 855 BUS_DMA_WAITOK 856 ); 857#endif 858 KdPrint(("<8>bus_dmamap_load return %d", error)); 859 if (error && error!=EINPROGRESS) { 860 os_printk("bus_dmamap_load error %d", error); 861 cmdext_put(ext); 862 ldm_free_cmds(pCmd); 863 ccb->ccb_h.status = CAM_REQ_CMP_ERR; 864 xpt_done(ccb); 865 } 866 } 867 return; 868 } 869 870 default: 871 ccb->ccb_h.status = CAM_REQ_INVALID; 872 break; 873 } 874 875 xpt_done(ccb); 876 return; 877} 878 879static void hpt_action(struct cam_sim *sim, union ccb *ccb) 880{ 881 PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim); 882 883 KdPrint(("<8>hpt_action(fn=%d, id=%d)", ccb->ccb_h.func_code, ccb->ccb_h.target_id)); 884 885#if (__FreeBSD_version >= 1000510) 886 hpt_assert_vbus_locked(vbus_ext); 887#endif 888 switch (ccb->ccb_h.func_code) { 889 890#if (__FreeBSD_version < 1000510) 891 case XPT_SCSI_IO: 892 hpt_lock_vbus(vbus_ext); 893 hpt_scsi_io(vbus_ext, ccb); 894 hpt_unlock_vbus(vbus_ext); 895 return; 896 897 case XPT_RESET_BUS: 898 hpt_lock_vbus(vbus_ext); 899 ldm_reset_vbus((PVBUS)vbus_ext->vbus); 900 hpt_unlock_vbus(vbus_ext); 901 break; 902#else 903 case XPT_SCSI_IO: 904 hpt_scsi_io(vbus_ext, ccb); 905 return; 906 907 case XPT_RESET_BUS: 908 ldm_reset_vbus((PVBUS)vbus_ext->vbus); 909 break; 910#endif 911 case XPT_GET_TRAN_SETTINGS: 912 case XPT_SET_TRAN_SETTINGS: 913 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 914 break; 915 916 case XPT_CALC_GEOMETRY: 917 ccb->ccg.heads = 255; 918 ccb->ccg.secs_per_track = 63; 919 ccb->ccg.cylinders = ccb->ccg.volume_size / (ccb->ccg.heads * ccb->ccg.secs_per_track); 920 ccb->ccb_h.status = CAM_REQ_CMP; 921 break; 922 923 case XPT_PATH_INQ: 924 { 925 struct ccb_pathinq *cpi = &ccb->cpi; 926 927 cpi->version_num = 1; 928 cpi->hba_inquiry = PI_SDTR_ABLE; 929 cpi->target_sprt = 0; 930 cpi->hba_misc = PIM_NOBUSRESET; 931 cpi->hba_eng_cnt = 0; 932 cpi->max_target = osm_max_targets; 933 cpi->max_lun = 0; 934 cpi->unit_number = cam_sim_unit(sim); 935 cpi->bus_id = cam_sim_bus(sim); 936 cpi->initiator_id = osm_max_targets; 937 cpi->base_transfer_speed = 3300; 938 939 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 940 strlcpy(cpi->hba_vid, "HPT ", HBA_IDLEN); 941 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 942 cpi->transport = XPORT_SPI; 943 cpi->transport_version = 2; 944 cpi->protocol = PROTO_SCSI; 945 cpi->protocol_version = SCSI_REV_2; 946 cpi->ccb_h.status = CAM_REQ_CMP; 947 break; 948 } 949 950 default: 951 ccb->ccb_h.status = CAM_REQ_INVALID; 952 break; 953 } 954 955 xpt_done(ccb); 956 return; 957} 958 959static void hpt_pci_intr(void *arg) 960{ 961 PVBUS_EXT vbus_ext = (PVBUS_EXT)arg; 962 hpt_lock_vbus(vbus_ext); 963 ldm_intr((PVBUS)vbus_ext->vbus); 964 hpt_unlock_vbus(vbus_ext); 965} 966 967static void hpt_poll(struct cam_sim *sim) 968{ 969#if (__FreeBSD_version < 1000510) 970 hpt_pci_intr(cam_sim_softc(sim)); 971#else 972 PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim); 973 974 hpt_assert_vbus_locked(vbus_ext); 975 ldm_intr((PVBUS)vbus_ext->vbus); 976#endif 977} 978 979static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg) 980{ 981 KdPrint(("<8>hpt_async")); 982} 983 984static int hpt_shutdown(device_t dev) 985{ 986 KdPrint(("hpt_shutdown(dev=%p)", dev)); 987 return 0; 988} 989 990static int hpt_detach(device_t dev) 991{ 992 /* we don't allow the driver to be unloaded. */ 993 return EBUSY; 994} 995 996static void hpt_ioctl_done(struct _IOCTL_ARG *arg) 997{ 998 arg->ioctl_cmnd = 0; 999 wakeup(arg); 1000} 1001 1002static void __hpt_do_ioctl(PVBUS_EXT vbus_ext, IOCTL_ARG *ioctl_args) 1003{ 1004 ioctl_args->result = -1; 1005 ioctl_args->done = hpt_ioctl_done; 1006 ioctl_args->ioctl_cmnd = (void *)1; 1007 1008 hpt_lock_vbus(vbus_ext); 1009 ldm_ioctl((PVBUS)vbus_ext->vbus, ioctl_args); 1010 1011 while (ioctl_args->ioctl_cmnd) { 1012 if (hpt_sleep(vbus_ext, ioctl_args, PPAUSE, "hptctl", HPT_OSM_TIMEOUT)==0) 1013 break; 1014 ldm_reset_vbus((PVBUS)vbus_ext->vbus); 1015 __hpt_do_tasks(vbus_ext); 1016 } 1017 1018 /* KdPrint(("ioctl %x result %d", ioctl_args->dwIoControlCode, ioctl_args->result)); */ 1019 1020 hpt_unlock_vbus(vbus_ext); 1021} 1022 1023static void hpt_do_ioctl(IOCTL_ARG *ioctl_args) 1024{ 1025 PVBUS vbus; 1026 PVBUS_EXT vbus_ext; 1027 1028 ldm_for_each_vbus(vbus, vbus_ext) { 1029 __hpt_do_ioctl(vbus_ext, ioctl_args); 1030 if (ioctl_args->result!=HPT_IOCTL_RESULT_WRONG_VBUS) 1031 return; 1032 } 1033} 1034 1035#define HPT_DO_IOCTL(code, inbuf, insize, outbuf, outsize) ({\ 1036 IOCTL_ARG arg;\ 1037 arg.dwIoControlCode = code;\ 1038 arg.lpInBuffer = inbuf;\ 1039 arg.lpOutBuffer = outbuf;\ 1040 arg.nInBufferSize = insize;\ 1041 arg.nOutBufferSize = outsize;\ 1042 arg.lpBytesReturned = 0;\ 1043 hpt_do_ioctl(&arg);\ 1044 arg.result;\ 1045}) 1046 1047#define DEVICEID_VALID(id) ((id) && ((HPT_U32)(id)!=0xffffffff)) 1048 1049static int hpt_get_logical_devices(DEVICEID * pIds, int nMaxCount) 1050{ 1051 int i; 1052 HPT_U32 count = nMaxCount-1; 1053 1054 if (HPT_DO_IOCTL(HPT_IOCTL_GET_LOGICAL_DEVICES, 1055 &count, sizeof(HPT_U32), pIds, sizeof(DEVICEID)*nMaxCount)) 1056 return -1; 1057 1058 nMaxCount = (int)pIds[0]; 1059 for (i=0; i<nMaxCount; i++) pIds[i] = pIds[i+1]; 1060 return nMaxCount; 1061} 1062 1063static int hpt_get_device_info_v3(DEVICEID id, PLOGICAL_DEVICE_INFO_V3 pInfo) 1064{ 1065 return HPT_DO_IOCTL(HPT_IOCTL_GET_DEVICE_INFO_V3, 1066 &id, sizeof(DEVICEID), pInfo, sizeof(LOGICAL_DEVICE_INFO_V3)); 1067} 1068 1069/* not belong to this file logically, but we want to use ioctl interface */ 1070static int __hpt_stop_tasks(PVBUS_EXT vbus_ext, DEVICEID id) 1071{ 1072 LOGICAL_DEVICE_INFO_V3 devinfo; 1073 int i, result; 1074 DEVICEID param[2] = { id, 0 }; 1075 1076 if (hpt_get_device_info_v3(id, &devinfo)) 1077 return -1; 1078 1079 if (devinfo.Type!=LDT_ARRAY) 1080 return -1; 1081 1082 if (devinfo.u.array.Flags & ARRAY_FLAG_REBUILDING) 1083 param[1] = AS_REBUILD_ABORT; 1084 else if (devinfo.u.array.Flags & ARRAY_FLAG_VERIFYING) 1085 param[1] = AS_VERIFY_ABORT; 1086 else if (devinfo.u.array.Flags & ARRAY_FLAG_INITIALIZING) 1087 param[1] = AS_INITIALIZE_ABORT; 1088 else if (devinfo.u.array.Flags & ARRAY_FLAG_TRANSFORMING) 1089 param[1] = AS_TRANSFORM_ABORT; 1090 else 1091 return -1; 1092 1093 KdPrint(("SET_ARRAY_STATE(%x, %d)", param[0], param[1])); 1094 result = HPT_DO_IOCTL(HPT_IOCTL_SET_ARRAY_STATE, 1095 param, sizeof(param), 0, 0); 1096 1097 for (i=0; i<devinfo.u.array.nDisk; i++) 1098 if (DEVICEID_VALID(devinfo.u.array.Members[i])) 1099 __hpt_stop_tasks(vbus_ext, devinfo.u.array.Members[i]); 1100 1101 return result; 1102} 1103 1104static void hpt_stop_tasks(PVBUS_EXT vbus_ext) 1105{ 1106 DEVICEID ids[32]; 1107 int i, count; 1108 1109 count = hpt_get_logical_devices((DEVICEID *)&ids, sizeof(ids)/sizeof(ids[0])); 1110 1111 for (i=0; i<count; i++) 1112 __hpt_stop_tasks(vbus_ext, ids[i]); 1113} 1114 1115static d_open_t hpt_open; 1116static d_close_t hpt_close; 1117static d_ioctl_t hpt_ioctl; 1118static int hpt_rescan_bus(void); 1119 1120static struct cdevsw hpt_cdevsw = { 1121 .d_open = hpt_open, 1122 .d_close = hpt_close, 1123 .d_ioctl = hpt_ioctl, 1124 .d_name = driver_name, 1125 .d_version = D_VERSION, 1126}; 1127 1128static struct intr_config_hook hpt_ich; 1129 1130/* 1131 * hpt_final_init will be called after all hpt_attach. 1132 */ 1133static void hpt_final_init(void *dummy) 1134{ 1135 int i,unit_number=0; 1136 PVBUS_EXT vbus_ext; 1137 PVBUS vbus; 1138 PHBA hba; 1139 1140 /* Clear the config hook */ 1141 config_intrhook_disestablish(&hpt_ich); 1142 1143 /* allocate memory */ 1144 i = 0; 1145 ldm_for_each_vbus(vbus, vbus_ext) { 1146 if (hpt_alloc_mem(vbus_ext)) { 1147 os_printk("out of memory"); 1148 return; 1149 } 1150 i++; 1151 } 1152 1153 if (!i) { 1154 if (bootverbose) 1155 os_printk("no controller detected."); 1156 return; 1157 } 1158 1159 /* initializing hardware */ 1160 ldm_for_each_vbus(vbus, vbus_ext) { 1161 /* make timer available here */ 1162 mtx_init(&vbus_ext->lock, "hptsleeplock", NULL, MTX_DEF); 1163#if (__FreeBSD_version < 1000510) 1164 callout_handle_init(&vbus_ext->timer); 1165#else 1166 callout_init_mtx(&vbus_ext->timer, &vbus_ext->lock, 0); 1167#endif 1168 if (hpt_init_vbus(vbus_ext)) { 1169 os_printk("fail to initialize hardware"); 1170 break; /* FIXME */ 1171 } 1172 } 1173 1174 /* register CAM interface */ 1175 ldm_for_each_vbus(vbus, vbus_ext) { 1176 struct cam_devq *devq; 1177 struct ccb_setasync ccb; 1178 1179 if (bus_dma_tag_create(NULL,/* parent */ 1180 4, /* alignment */ 1181 BUS_SPACE_MAXADDR_32BIT+1, /* boundary */ 1182 BUS_SPACE_MAXADDR, /* lowaddr */ 1183 BUS_SPACE_MAXADDR, /* highaddr */ 1184 NULL, NULL, /* filter, filterarg */ 1185 PAGE_SIZE * (os_max_sg_descriptors-1), /* maxsize */ 1186 os_max_sg_descriptors, /* nsegments */ 1187 0x10000, /* maxsegsize */ 1188 BUS_DMA_WAITOK, /* flags */ 1189 busdma_lock_mutex, /* lockfunc */ 1190 &vbus_ext->lock, /* lockfuncarg */ 1191 &vbus_ext->io_dmat /* tag */)) 1192 { 1193 return ; 1194 } 1195 1196 for (i=0; i<os_max_queue_comm; i++) { 1197 POS_CMDEXT ext = (POS_CMDEXT)malloc(sizeof(OS_CMDEXT), M_DEVBUF, M_WAITOK); 1198 if (!ext) { 1199 os_printk("Can't alloc cmdext(%d)", i); 1200 return ; 1201 } 1202 ext->vbus_ext = vbus_ext; 1203 ext->next = vbus_ext->cmdext_list; 1204 vbus_ext->cmdext_list = ext; 1205 1206 if (bus_dmamap_create(vbus_ext->io_dmat, 0, &ext->dma_map)) { 1207 os_printk("Can't create dma map(%d)", i); 1208 return ; 1209 } 1210#if (__FreeBSD_version >= 1000510) 1211 callout_init_mtx(&ext->timeout, &vbus_ext->lock, 0); 1212#endif 1213 } 1214 1215 if ((devq = cam_simq_alloc(os_max_queue_comm)) == NULL) { 1216 os_printk("cam_simq_alloc failed"); 1217 return ; 1218 } 1219#if (__FreeBSD_version >= 1000510) 1220 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name, 1221 vbus_ext, unit_number, &vbus_ext->lock, os_max_queue_comm, /*tagged*/8, devq); 1222 1223#else 1224 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name, 1225 vbus_ext, unit_number, &Giant, os_max_queue_comm, /*tagged*/8, devq); 1226#endif 1227 unit_number++; 1228 if (!vbus_ext->sim) { 1229 os_printk("cam_sim_alloc failed"); 1230 cam_simq_free(devq); 1231 return ; 1232 } 1233 1234 hpt_lock_vbus(vbus_ext); 1235 if (xpt_bus_register(vbus_ext->sim, NULL, 0) != CAM_SUCCESS) { 1236 hpt_unlock_vbus(vbus_ext); 1237 os_printk("xpt_bus_register failed"); 1238 cam_sim_free(vbus_ext->sim, /*free devq*/ TRUE); 1239 vbus_ext->sim = NULL; 1240 return ; 1241 } 1242 1243 if (xpt_create_path(&vbus_ext->path, /*periph */ NULL, 1244 cam_sim_path(vbus_ext->sim), CAM_TARGET_WILDCARD, 1245 CAM_LUN_WILDCARD) != CAM_REQ_CMP) 1246 { 1247 hpt_unlock_vbus(vbus_ext); 1248 os_printk("xpt_create_path failed"); 1249 xpt_bus_deregister(cam_sim_path(vbus_ext->sim)); 1250 cam_sim_free(vbus_ext->sim, /*free_devq*/TRUE); 1251 vbus_ext->sim = NULL; 1252 return ; 1253 } 1254 1255 xpt_setup_ccb(&ccb.ccb_h, vbus_ext->path, /*priority*/5); 1256 ccb.ccb_h.func_code = XPT_SASYNC_CB; 1257 ccb.event_enable = AC_LOST_DEVICE; 1258 ccb.callback = hpt_async; 1259 ccb.callback_arg = vbus_ext; 1260 xpt_action((union ccb *)&ccb); 1261 hpt_unlock_vbus(vbus_ext); 1262 1263 for (hba = vbus_ext->hba_list; hba; hba = hba->next) { 1264 int rid = 0; 1265 if ((hba->irq_res = bus_alloc_resource_any(hba->pcidev, 1266 SYS_RES_IRQ, &rid, RF_SHAREABLE | RF_ACTIVE)) == NULL) 1267 { 1268 os_printk("can't allocate interrupt"); 1269 return ; 1270 } 1271#if (__FreeBSD_version >= 1000510) 1272 if (bus_setup_intr(hba->pcidev, hba->irq_res, INTR_TYPE_CAM | INTR_MPSAFE, 1273#else 1274 if (bus_setup_intr(hba->pcidev, hba->irq_res, INTR_TYPE_CAM, 1275#endif 1276 NULL, hpt_pci_intr, vbus_ext, &hba->irq_handle)) 1277 { 1278 os_printk("can't set up interrupt"); 1279 return ; 1280 } 1281 hba->ldm_adapter.him->intr_control(hba->ldm_adapter.him_handle, HPT_TRUE); 1282 1283 } 1284 1285 vbus_ext->shutdown_eh = EVENTHANDLER_REGISTER(shutdown_final, 1286 hpt_shutdown_vbus, vbus_ext, SHUTDOWN_PRI_DEFAULT); 1287 if (!vbus_ext->shutdown_eh) 1288 os_printk("Shutdown event registration failed"); 1289 } 1290 1291 ldm_for_each_vbus(vbus, vbus_ext) { 1292 TASK_INIT(&vbus_ext->worker, 0, (task_fn_t *)hpt_do_tasks, vbus_ext); 1293 if (vbus_ext->tasks) 1294 TASK_ENQUEUE(&vbus_ext->worker); 1295 } 1296 1297 make_dev(&hpt_cdevsw, DRIVER_MINOR, UID_ROOT, GID_OPERATOR, 1298 S_IRUSR | S_IWUSR, "%s", driver_name); 1299} 1300 1301#if defined(KLD_MODULE) 1302 1303typedef struct driverlink *driverlink_t; 1304struct driverlink { 1305 kobj_class_t driver; 1306 TAILQ_ENTRY(driverlink) link; /* list of drivers in devclass */ 1307}; 1308 1309typedef TAILQ_HEAD(driver_list, driverlink) driver_list_t; 1310 1311struct devclass { 1312 TAILQ_ENTRY(devclass) link; 1313 devclass_t parent; /* parent in devclass hierarchy */ 1314 driver_list_t drivers; /* bus devclasses store drivers for bus */ 1315 char *name; 1316 device_t *devices; /* array of devices indexed by unit */ 1317 int maxunit; /* size of devices array */ 1318}; 1319 1320static void override_kernel_driver(void) 1321{ 1322 driverlink_t dl, dlfirst; 1323 driver_t *tmpdriver; 1324 devclass_t dc = devclass_find("pci"); 1325 1326 if (dc){ 1327 dlfirst = TAILQ_FIRST(&dc->drivers); 1328 for (dl = dlfirst; dl; dl = TAILQ_NEXT(dl, link)) { 1329 if(strcmp(dl->driver->name, driver_name) == 0) { 1330 tmpdriver=dl->driver; 1331 dl->driver=dlfirst->driver; 1332 dlfirst->driver=tmpdriver; 1333 break; 1334 } 1335 } 1336 } 1337} 1338 1339#else 1340#define override_kernel_driver() 1341#endif 1342 1343static void hpt_init(void *dummy) 1344{ 1345 if (bootverbose) 1346 os_printk("%s %s", driver_name_long, driver_ver); 1347 1348 override_kernel_driver(); 1349 init_config(); 1350 1351 hpt_ich.ich_func = hpt_final_init; 1352 hpt_ich.ich_arg = NULL; 1353 if (config_intrhook_establish(&hpt_ich) != 0) { 1354 printf("%s: cannot establish configuration hook\n", 1355 driver_name_long); 1356 } 1357 1358} 1359SYSINIT(hptinit, SI_SUB_CONFIGURE, SI_ORDER_FIRST, hpt_init, NULL); 1360 1361/* 1362 * CAM driver interface 1363 */ 1364static device_method_t driver_methods[] = { 1365 /* Device interface */ 1366 DEVMETHOD(device_probe, hpt_probe), 1367 DEVMETHOD(device_attach, hpt_attach), 1368 DEVMETHOD(device_detach, hpt_detach), 1369 DEVMETHOD(device_shutdown, hpt_shutdown), 1370 { 0, 0 } 1371}; 1372 1373static driver_t hpt_pci_driver = { 1374 driver_name, 1375 driver_methods, 1376 sizeof(HBA) 1377}; 1378 1379static devclass_t hpt_devclass; 1380 1381#ifndef TARGETNAME 1382#error "no TARGETNAME found" 1383#endif 1384 1385/* use this to make TARGETNAME be expanded */ 1386#define __DRIVER_MODULE(p1, p2, p3, p4, p5, p6) DRIVER_MODULE(p1, p2, p3, p4, p5, p6) 1387#define __MODULE_VERSION(p1, p2) MODULE_VERSION(p1, p2) 1388#define __MODULE_DEPEND(p1, p2, p3, p4, p5) MODULE_DEPEND(p1, p2, p3, p4, p5) 1389__DRIVER_MODULE(TARGETNAME, pci, hpt_pci_driver, hpt_devclass, 0, 0); 1390__MODULE_VERSION(TARGETNAME, 1); 1391__MODULE_DEPEND(TARGETNAME, cam, 1, 1, 1); 1392 1393static int hpt_open(struct cdev *dev, int flags, int devtype, struct thread *td) 1394{ 1395 return 0; 1396} 1397 1398static int hpt_close(struct cdev *dev, int flags, int devtype, struct thread *td) 1399{ 1400 return 0; 1401} 1402 1403static int hpt_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag, struct thread *td) 1404{ 1405 PHPT_IOCTL_PARAM piop=(PHPT_IOCTL_PARAM)data; 1406 IOCTL_ARG ioctl_args; 1407 HPT_U32 bytesReturned = 0; 1408 1409 switch (cmd){ 1410 case HPT_DO_IOCONTROL: 1411 { 1412 if (piop->Magic == HPT_IOCTL_MAGIC || piop->Magic == HPT_IOCTL_MAGIC32) { 1413 KdPrint(("<8>ioctl=%x in=%p len=%d out=%p len=%d\n", 1414 piop->dwIoControlCode, 1415 piop->lpInBuffer, 1416 piop->nInBufferSize, 1417 piop->lpOutBuffer, 1418 piop->nOutBufferSize)); 1419 1420 memset(&ioctl_args, 0, sizeof(ioctl_args)); 1421 1422 ioctl_args.dwIoControlCode = piop->dwIoControlCode; 1423 ioctl_args.nInBufferSize = piop->nInBufferSize; 1424 ioctl_args.nOutBufferSize = piop->nOutBufferSize; 1425 ioctl_args.lpBytesReturned = &bytesReturned; 1426 1427 if (ioctl_args.nInBufferSize) { 1428 ioctl_args.lpInBuffer = malloc(ioctl_args.nInBufferSize, M_DEVBUF, M_WAITOK); 1429 if (!ioctl_args.lpInBuffer) 1430 goto invalid; 1431 if (copyin((void*)piop->lpInBuffer, 1432 ioctl_args.lpInBuffer, piop->nInBufferSize)) 1433 goto invalid; 1434 } 1435 1436 if (ioctl_args.nOutBufferSize) { 1437 ioctl_args.lpOutBuffer = malloc(ioctl_args.nOutBufferSize, M_DEVBUF, M_WAITOK | M_ZERO); 1438 if (!ioctl_args.lpOutBuffer) 1439 goto invalid; 1440 } 1441 1442#if __FreeBSD_version < 1000510 1443 mtx_lock(&Giant); 1444#endif 1445 1446 hpt_do_ioctl(&ioctl_args); 1447 1448#if __FreeBSD_version < 1000510 1449 mtx_unlock(&Giant); 1450#endif 1451 1452 if (ioctl_args.result==HPT_IOCTL_RESULT_OK) { 1453 if (piop->nOutBufferSize) { 1454 if (copyout(ioctl_args.lpOutBuffer, 1455 (void*)piop->lpOutBuffer, piop->nOutBufferSize)) 1456 goto invalid; 1457 } 1458 if (piop->lpBytesReturned) { 1459 if (copyout(&bytesReturned, 1460 (void*)piop->lpBytesReturned, sizeof(HPT_U32))) 1461 goto invalid; 1462 } 1463 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF); 1464 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF); 1465 return 0; 1466 } 1467invalid: 1468 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF); 1469 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF); 1470 return EFAULT; 1471 } 1472 return EFAULT; 1473 } 1474 1475 case HPT_SCAN_BUS: 1476 { 1477 return hpt_rescan_bus(); 1478 } 1479 default: 1480 KdPrint(("invalid command!")); 1481 return EFAULT; 1482 } 1483 1484} 1485 1486static int hpt_rescan_bus(void) 1487{ 1488 union ccb *ccb; 1489 PVBUS vbus; 1490 PVBUS_EXT vbus_ext; 1491#if (__FreeBSD_version < 1000510) 1492 mtx_lock(&Giant); 1493#endif 1494 ldm_for_each_vbus(vbus, vbus_ext) { 1495 if ((ccb = xpt_alloc_ccb()) == NULL) 1496 { 1497 return(ENOMEM); 1498 } 1499#if (__FreeBSD_version < 1000510) 1500 if (xpt_create_path(&ccb->ccb_h.path, xpt_periph, cam_sim_path(vbus_ext->sim), 1501#else 1502 if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(vbus_ext->sim), 1503#endif 1504 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) 1505 { 1506 xpt_free_ccb(ccb); 1507 return(EIO); 1508 } 1509 xpt_rescan(ccb); 1510 } 1511#if (__FreeBSD_version < 1000510) 1512 mtx_unlock(&Giant); 1513#endif 1514 return(0); 1515} 1516 1517