1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 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
29 #include <sys/cdefs.h>
30 #include <dev/hptrr/hptrr_config.h>
31 /* $Id: osm_bsd.c,v 1.27 2007/11/22 07:35:49 gmm Exp $
32 *
33 * HighPoint RAID Driver for FreeBSD
34 * Copyright (C) 2005 HighPoint Technologies, Inc. All Rights Reserved.
35 */
36 #include <dev/hptrr/os_bsd.h>
37 #include <dev/hptrr/hptintf.h>
38
39 static int attach_generic = 0;
40 TUNABLE_INT("hw.hptrr.attach_generic", &attach_generic);
41
hpt_match(device_t dev)42 static HIM *hpt_match(device_t dev)
43 {
44 PCI_ID pci_id;
45 int i;
46 HIM *him;
47
48 /* Some of supported chips are used not only by HPT. */
49 if (pci_get_vendor(dev) != 0x1103 && !attach_generic)
50 return (NULL);
51 for (him = him_list; him; him = him->next) {
52 for (i=0; him->get_supported_device_id(i, &pci_id); i++) {
53 if ((pci_get_vendor(dev) == pci_id.vid) &&
54 (pci_get_device(dev) == pci_id.did)){
55 return (him);
56 }
57 }
58 }
59 return (NULL);
60 }
61
hpt_probe(device_t dev)62 static int hpt_probe(device_t dev)
63 {
64 HIM *him;
65
66 him = hpt_match(dev);
67 if (him != NULL) {
68 KdPrint(("hpt_probe: adapter at PCI %d:%d:%d, IRQ %d",
69 pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev), pci_get_irq(dev)
70 ));
71 device_set_desc(dev, him->name);
72 return (BUS_PROBE_DEFAULT);
73 }
74
75 return (ENXIO);
76 }
77
hpt_attach(device_t dev)78 static int hpt_attach(device_t dev)
79 {
80 PHBA hba = (PHBA)device_get_softc(dev);
81 HIM *him;
82 PCI_ID pci_id;
83 HPT_UINT size;
84 PVBUS vbus;
85 PVBUS_EXT vbus_ext;
86
87 KdPrint(("hpt_attach(%d/%d/%d)", pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev)));
88
89 him = hpt_match(dev);
90 hba->ext_type = EXT_TYPE_HBA;
91 hba->ldm_adapter.him = him;
92
93 pci_enable_busmaster(dev);
94
95 pci_id.vid = pci_get_vendor(dev);
96 pci_id.did = pci_get_device(dev);
97 pci_id.rev = pci_get_revid(dev);
98
99 size = him->get_adapter_size(&pci_id);
100 hba->ldm_adapter.him_handle = malloc(size, M_DEVBUF, M_WAITOK);
101
102 hba->pcidev = dev;
103 hba->pciaddr.tree = 0;
104 hba->pciaddr.bus = pci_get_bus(dev);
105 hba->pciaddr.device = pci_get_slot(dev);
106 hba->pciaddr.function = pci_get_function(dev);
107
108 if (!him->create_adapter(&pci_id, hba->pciaddr, hba->ldm_adapter.him_handle, hba)) {
109 free(hba->ldm_adapter.him_handle, M_DEVBUF);
110 return ENXIO;
111 }
112
113 os_printk("adapter at PCI %d:%d:%d, IRQ %d",
114 hba->pciaddr.bus, hba->pciaddr.device, hba->pciaddr.function, pci_get_irq(dev));
115
116 if (!ldm_register_adapter(&hba->ldm_adapter)) {
117 size = ldm_get_vbus_size();
118 vbus_ext = malloc(sizeof(VBUS_EXT) + size, M_DEVBUF, M_WAITOK |
119 M_ZERO);
120 vbus_ext->ext_type = EXT_TYPE_VBUS;
121 ldm_create_vbus((PVBUS)vbus_ext->vbus, vbus_ext);
122 ldm_register_adapter(&hba->ldm_adapter);
123 }
124
125 ldm_for_each_vbus(vbus, vbus_ext) {
126 if (hba->ldm_adapter.vbus==vbus) {
127 hba->vbus_ext = vbus_ext;
128 hba->next = vbus_ext->hba_list;
129 vbus_ext->hba_list = hba;
130 break;
131 }
132 }
133 return 0;
134 }
135
136 /*
137 * Maybe we'd better to use the bus_dmamem_alloc to alloc DMA memory,
138 * but there are some problems currently (alignment, etc).
139 */
__get_free_pages(int order)140 static __inline void *__get_free_pages(int order)
141 {
142 /* don't use low memory - other devices may get starved */
143 return contigmalloc(PAGE_SIZE<<order,
144 M_DEVBUF, M_WAITOK, BUS_SPACE_MAXADDR_24BIT, BUS_SPACE_MAXADDR, PAGE_SIZE, 0);
145 }
146
free_pages(void * p)147 static __inline void free_pages(void *p)
148 {
149 free(p, M_DEVBUF);
150 }
151
hpt_alloc_mem(PVBUS_EXT vbus_ext)152 static int hpt_alloc_mem(PVBUS_EXT vbus_ext)
153 {
154 PHBA hba;
155 struct freelist *f;
156 HPT_UINT i;
157 void **p;
158
159 for (hba = vbus_ext->hba_list; hba; hba = hba->next)
160 hba->ldm_adapter.him->get_meminfo(hba->ldm_adapter.him_handle);
161
162 ldm_get_mem_info((PVBUS)vbus_ext->vbus, 0);
163
164 for (f=vbus_ext->freelist_head; f; f=f->next) {
165 KdPrint(("%s: %d*%d=%d bytes",
166 f->tag, f->count, f->size, f->count*f->size));
167 for (i=0; i<f->count; i++) {
168 p = (void **)malloc(f->size, M_DEVBUF, M_WAITOK);
169 if (!p) return (ENXIO);
170 *p = f->head;
171 f->head = p;
172 }
173 }
174
175 for (f=vbus_ext->freelist_dma_head; f; f=f->next) {
176 int order, size, j;
177
178 HPT_ASSERT((f->size & (f->alignment-1))==0);
179
180 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1)
181 ;
182
183 KdPrint(("%s: %d*%d=%d bytes, order %d",
184 f->tag, f->count, f->size, f->count*f->size, order));
185 HPT_ASSERT(f->alignment<=PAGE_SIZE);
186
187 for (i=0; i<f->count;) {
188 p = (void **)__get_free_pages(order);
189 if (!p) return -1;
190 for (j = size/f->size; j && i<f->count; i++,j--) {
191 *p = f->head;
192 *(BUS_ADDRESS *)(p+1) = (BUS_ADDRESS)vtophys(p);
193 f->head = p;
194 p = (void **)((unsigned long)p + f->size);
195 }
196 }
197 }
198
199 HPT_ASSERT(PAGE_SIZE==DMAPOOL_PAGE_SIZE);
200
201 for (i=0; i<os_max_cache_pages; i++) {
202 p = (void **)__get_free_pages(0);
203 if (!p) return -1;
204 HPT_ASSERT(((HPT_UPTR)p & (DMAPOOL_PAGE_SIZE-1))==0);
205 dmapool_put_page((PVBUS)vbus_ext->vbus, p, (BUS_ADDRESS)vtophys(p));
206 }
207
208 return 0;
209 }
210
hpt_free_mem(PVBUS_EXT vbus_ext)211 static void hpt_free_mem(PVBUS_EXT vbus_ext)
212 {
213 struct freelist *f;
214 void *p;
215 int i;
216 BUS_ADDRESS bus;
217
218 for (f=vbus_ext->freelist_head; f; f=f->next) {
219 #if DBG
220 if (f->count!=f->reserved_count) {
221 KdPrint(("memory leak for freelist %s (%d/%d)", f->tag, f->count, f->reserved_count));
222 }
223 #endif
224 while ((p=freelist_get(f)))
225 free(p, M_DEVBUF);
226 }
227
228 for (i=0; i<os_max_cache_pages; i++) {
229 p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus);
230 HPT_ASSERT(p);
231 free_pages(p);
232 }
233
234 for (f=vbus_ext->freelist_dma_head; f; f=f->next) {
235 int order, size;
236 #if DBG
237 if (f->count!=f->reserved_count) {
238 KdPrint(("memory leak for dma freelist %s (%d/%d)", f->tag, f->count, f->reserved_count));
239 }
240 #endif
241 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) ;
242
243 while ((p=freelist_get_dma(f, &bus))) {
244 if (order)
245 free_pages(p);
246 else {
247 /* can't free immediately since other blocks in this page may still be in the list */
248 if (((HPT_UPTR)p & (PAGE_SIZE-1))==0)
249 dmapool_put_page((PVBUS)vbus_ext->vbus, p, bus);
250 }
251 }
252 }
253
254 while ((p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus)))
255 free_pages(p);
256 }
257
hpt_init_vbus(PVBUS_EXT vbus_ext)258 static int hpt_init_vbus(PVBUS_EXT vbus_ext)
259 {
260 PHBA hba;
261
262 for (hba = vbus_ext->hba_list; hba; hba = hba->next)
263 if (!hba->ldm_adapter.him->initialize(hba->ldm_adapter.him_handle)) {
264 KdPrint(("fail to initialize %p", hba));
265 return -1;
266 }
267
268 ldm_initialize_vbus((PVBUS)vbus_ext->vbus, &vbus_ext->hba_list->ldm_adapter);
269 return 0;
270 }
271
hpt_flush_done(PCOMMAND pCmd)272 static void hpt_flush_done(PCOMMAND pCmd)
273 {
274 PVDEV vd = pCmd->target;
275
276 if (mIsArray(vd->type) && vd->u.array.transform && vd!=vd->u.array.transform->target) {
277 vd = vd->u.array.transform->target;
278 HPT_ASSERT(vd);
279 pCmd->target = vd;
280 pCmd->Result = RETURN_PENDING;
281 vdev_queue_cmd(pCmd);
282 return;
283 }
284
285 *(int *)pCmd->priv = 1;
286 wakeup(pCmd);
287 }
288
289 /*
290 * flush a vdev (without retry).
291 */
hpt_flush_vdev(PVBUS_EXT vbus_ext,PVDEV vd)292 static int hpt_flush_vdev(PVBUS_EXT vbus_ext, PVDEV vd)
293 {
294 PCOMMAND pCmd;
295 int result = 0, done;
296 HPT_UINT count;
297
298 KdPrint(("flusing dev %p", vd));
299
300 hpt_assert_vbus_locked(vbus_ext);
301
302 if (mIsArray(vd->type) && vd->u.array.transform)
303 count = max(vd->u.array.transform->source->cmds_per_request,
304 vd->u.array.transform->target->cmds_per_request);
305 else
306 count = vd->cmds_per_request;
307
308 pCmd = ldm_alloc_cmds(vd->vbus, count);
309
310 if (!pCmd) {
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 return result;
337 }
338
339 static void hpt_stop_tasks(PVBUS_EXT vbus_ext);
hpt_shutdown_vbus(PVBUS_EXT vbus_ext,int howto)340 static void hpt_shutdown_vbus(PVBUS_EXT vbus_ext, int howto)
341 {
342 PVBUS vbus = (PVBUS)vbus_ext->vbus;
343 PHBA hba;
344 int i;
345
346 KdPrint(("hpt_shutdown_vbus"));
347
348 /* stop all ctl tasks and disable the worker taskqueue */
349 hpt_stop_tasks(vbus_ext);
350 hpt_lock_vbus(vbus_ext);
351 vbus_ext->worker.ta_context = 0;
352
353 /* flush devices */
354 for (i=0; i<osm_max_targets; i++) {
355 PVDEV vd = ldm_find_target(vbus, i);
356 if (vd) {
357 /* retry once */
358 if (hpt_flush_vdev(vbus_ext, vd))
359 hpt_flush_vdev(vbus_ext, vd);
360 }
361 }
362
363 ldm_shutdown(vbus);
364 hpt_unlock_vbus(vbus_ext);
365
366 ldm_release_vbus(vbus);
367
368 for (hba=vbus_ext->hba_list; hba; hba=hba->next)
369 bus_teardown_intr(hba->pcidev, hba->irq_res, hba->irq_handle);
370
371 hpt_free_mem(vbus_ext);
372
373 while ((hba=vbus_ext->hba_list)) {
374 vbus_ext->hba_list = hba->next;
375 free(hba->ldm_adapter.him_handle, M_DEVBUF);
376 }
377
378 callout_drain(&vbus_ext->timer);
379 mtx_destroy(&vbus_ext->lock);
380 free(vbus_ext, M_DEVBUF);
381 KdPrint(("hpt_shutdown_vbus done"));
382 }
383
__hpt_do_tasks(PVBUS_EXT vbus_ext)384 static void __hpt_do_tasks(PVBUS_EXT vbus_ext)
385 {
386 OSM_TASK *tasks;
387
388 tasks = vbus_ext->tasks;
389 vbus_ext->tasks = 0;
390
391 while (tasks) {
392 OSM_TASK *t = tasks;
393 tasks = t->next;
394 t->next = 0;
395 t->func(vbus_ext->vbus, t->data);
396 }
397 }
398
hpt_do_tasks(PVBUS_EXT vbus_ext,int pending)399 static void hpt_do_tasks(PVBUS_EXT vbus_ext, int pending)
400 {
401 if(vbus_ext){
402 hpt_lock_vbus(vbus_ext);
403 __hpt_do_tasks(vbus_ext);
404 hpt_unlock_vbus(vbus_ext);
405 }
406 }
407
408 static void hpt_action(struct cam_sim *sim, union ccb *ccb);
409 static void hpt_poll(struct cam_sim *sim);
410 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg);
411 static void hpt_pci_intr(void *arg);
412
cmdext_get(PVBUS_EXT vbus_ext)413 static __inline POS_CMDEXT cmdext_get(PVBUS_EXT vbus_ext)
414 {
415 POS_CMDEXT p = vbus_ext->cmdext_list;
416 if (p)
417 vbus_ext->cmdext_list = p->next;
418 return p;
419 }
420
cmdext_put(POS_CMDEXT p)421 static __inline void cmdext_put(POS_CMDEXT p)
422 {
423 p->next = p->vbus_ext->cmdext_list;
424 p->vbus_ext->cmdext_list = p;
425 }
426
hpt_timeout(void * arg)427 static void hpt_timeout(void *arg)
428 {
429 PCOMMAND pCmd = (PCOMMAND)arg;
430 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
431
432 KdPrint(("pCmd %p timeout", pCmd));
433
434 ldm_reset_vbus((PVBUS)ext->vbus_ext->vbus);
435 }
436
os_cmddone(PCOMMAND pCmd)437 static void os_cmddone(PCOMMAND pCmd)
438 {
439 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
440 union ccb *ccb = ext->ccb;
441
442 KdPrint(("os_cmddone(%p, %d)", pCmd, pCmd->Result));
443
444 callout_stop(&ext->timeout);
445
446 switch(pCmd->Result) {
447 case RETURN_SUCCESS:
448 ccb->ccb_h.status = CAM_REQ_CMP;
449 break;
450 case RETURN_BAD_DEVICE:
451 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
452 break;
453 case RETURN_DEVICE_BUSY:
454 ccb->ccb_h.status = CAM_BUSY;
455 break;
456 case RETURN_INVALID_REQUEST:
457 ccb->ccb_h.status = CAM_REQ_INVALID;
458 break;
459 case RETURN_SELECTION_TIMEOUT:
460 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
461 break;
462 case RETURN_RETRY:
463 ccb->ccb_h.status = CAM_BUSY;
464 break;
465 default:
466 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR;
467 break;
468 }
469
470 if (pCmd->flags.data_in) {
471 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTREAD);
472 }
473 else if (pCmd->flags.data_out) {
474 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTWRITE);
475 }
476
477 bus_dmamap_unload(ext->vbus_ext->io_dmat, ext->dma_map);
478
479 cmdext_put(ext);
480 ldm_free_cmds(pCmd);
481 xpt_done(ccb);
482 }
483
os_buildsgl(PCOMMAND pCmd,PSG pSg,int logical)484 static int os_buildsgl(PCOMMAND pCmd, PSG pSg, int logical)
485 {
486 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
487 union ccb *ccb = ext->ccb;
488
489 if (logical) {
490 os_set_sgptr(pSg, (HPT_U8 *)ccb->csio.data_ptr);
491 pSg->size = ccb->csio.dxfer_len;
492 pSg->eot = 1;
493 return TRUE;
494 }
495
496 /* since we have provided physical sg, nobody will ask us to build physical sg */
497 HPT_ASSERT(0);
498 return FALSE;
499 }
500
hpt_io_dmamap_callback(void * arg,bus_dma_segment_t * segs,int nsegs,int error)501 static void hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
502 {
503 PCOMMAND pCmd = (PCOMMAND)arg;
504 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
505 PSG psg = pCmd->psg;
506 int idx;
507
508 HPT_ASSERT(pCmd->flags.physical_sg);
509
510 if (error)
511 panic("busdma error");
512
513 HPT_ASSERT(nsegs<=os_max_sg_descriptors);
514
515 if (nsegs != 0) {
516 for (idx = 0; idx < nsegs; idx++, psg++) {
517 psg->addr.bus = segs[idx].ds_addr;
518 psg->size = segs[idx].ds_len;
519 psg->eot = 0;
520 }
521 psg[-1].eot = 1;
522
523 if (pCmd->flags.data_in) {
524 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map,
525 BUS_DMASYNC_PREREAD);
526 }
527 else if (pCmd->flags.data_out) {
528 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map,
529 BUS_DMASYNC_PREWRITE);
530 }
531 }
532 callout_reset(&ext->timeout, HPT_OSM_TIMEOUT, hpt_timeout, pCmd);
533 ldm_queue_cmd(pCmd);
534 }
535
hpt_scsi_io(PVBUS_EXT vbus_ext,union ccb * ccb)536 static void hpt_scsi_io(PVBUS_EXT vbus_ext, union ccb *ccb)
537 {
538 PVBUS vbus = (PVBUS)vbus_ext->vbus;
539 PVDEV vd;
540 PCOMMAND pCmd;
541 POS_CMDEXT ext;
542 HPT_U8 *cdb;
543
544 if (ccb->ccb_h.flags & CAM_CDB_POINTER)
545 cdb = ccb->csio.cdb_io.cdb_ptr;
546 else
547 cdb = ccb->csio.cdb_io.cdb_bytes;
548
549 KdPrint(("hpt_scsi_io: ccb %x id %d lun %d cdb %x-%x-%x",
550 ccb,
551 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
552 *(HPT_U32 *)&cdb[0], *(HPT_U32 *)&cdb[4], *(HPT_U32 *)&cdb[8]
553 ));
554
555 /* ccb->ccb_h.path_id is not our bus id - don't check it */
556 if (ccb->ccb_h.target_lun != 0 ||
557 ccb->ccb_h.target_id >= osm_max_targets ||
558 (ccb->ccb_h.flags & CAM_CDB_PHYS))
559 {
560 ccb->ccb_h.status = CAM_TID_INVALID;
561 xpt_done(ccb);
562 return;
563 }
564
565 vd = ldm_find_target(vbus, ccb->ccb_h.target_id);
566
567 if (!vd) {
568 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
569 xpt_done(ccb);
570 return;
571 }
572
573 switch (cdb[0]) {
574 case TEST_UNIT_READY:
575 case START_STOP_UNIT:
576 case SYNCHRONIZE_CACHE:
577 ccb->ccb_h.status = CAM_REQ_CMP;
578 break;
579
580 case INQUIRY:
581 {
582 PINQUIRYDATA inquiryData;
583 memset(ccb->csio.data_ptr, 0, ccb->csio.dxfer_len);
584 inquiryData = (PINQUIRYDATA)ccb->csio.data_ptr;
585
586 inquiryData->AdditionalLength = 31;
587 inquiryData->CommandQueue = 1;
588 memcpy(&inquiryData->VendorId, "HPT ", 8);
589 memcpy(&inquiryData->ProductId, "DISK 0_0 ", 16);
590
591 if (vd->target_id / 10) {
592 inquiryData->ProductId[7] = (vd->target_id % 100) / 10 + '0';
593 inquiryData->ProductId[8] = (vd->target_id % 100) % 10 + '0';
594 }
595 else
596 inquiryData->ProductId[7] = (vd->target_id % 100) % 10 + '0';
597
598 memcpy(&inquiryData->ProductRevisionLevel, "4.00", 4);
599
600 ccb->ccb_h.status = CAM_REQ_CMP;
601 }
602 break;
603
604 case READ_CAPACITY:
605 {
606 HPT_U8 *rbuf = ccb->csio.data_ptr;
607 HPT_U32 cap;
608
609 if (vd->capacity>0xfffffffful)
610 cap = 0xfffffffful;
611 else
612 cap = vd->capacity - 1;
613
614 rbuf[0] = (HPT_U8)(cap>>24);
615 rbuf[1] = (HPT_U8)(cap>>16);
616 rbuf[2] = (HPT_U8)(cap>>8);
617 rbuf[3] = (HPT_U8)cap;
618 rbuf[4] = 0;
619 rbuf[5] = 0;
620 rbuf[6] = 2;
621 rbuf[7] = 0;
622
623 ccb->ccb_h.status = CAM_REQ_CMP;
624 break;
625 }
626
627 case SERVICE_ACTION_IN:
628 {
629 HPT_U8 *rbuf = ccb->csio.data_ptr;
630 HPT_U64 cap = vd->capacity - 1;
631
632 rbuf[0] = (HPT_U8)(cap>>56);
633 rbuf[1] = (HPT_U8)(cap>>48);
634 rbuf[2] = (HPT_U8)(cap>>40);
635 rbuf[3] = (HPT_U8)(cap>>32);
636 rbuf[4] = (HPT_U8)(cap>>24);
637 rbuf[5] = (HPT_U8)(cap>>16);
638 rbuf[6] = (HPT_U8)(cap>>8);
639 rbuf[7] = (HPT_U8)cap;
640 rbuf[8] = 0;
641 rbuf[9] = 0;
642 rbuf[10] = 2;
643 rbuf[11] = 0;
644
645 ccb->ccb_h.status = CAM_REQ_CMP;
646 break;
647 }
648
649 case READ_6:
650 case READ_10:
651 case READ_16:
652 case WRITE_6:
653 case WRITE_10:
654 case WRITE_16:
655 case 0x13:
656 case 0x2f:
657 {
658 int error;
659
660 pCmd = ldm_alloc_cmds(vbus, vd->cmds_per_request);
661 if(!pCmd){
662 KdPrint(("Failed to allocate command!"));
663 ccb->ccb_h.status = CAM_BUSY;
664 break;
665 }
666
667 switch (cdb[0]) {
668 case READ_6:
669 case WRITE_6:
670 case 0x13:
671 pCmd->uCmd.Ide.Lba = ((HPT_U32)cdb[1] << 16) | ((HPT_U32)cdb[2] << 8) | (HPT_U32)cdb[3];
672 pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[4];
673 break;
674 case READ_16:
675 case WRITE_16:
676 {
677 HPT_U64 block =
678 ((HPT_U64)cdb[2]<<56) |
679 ((HPT_U64)cdb[3]<<48) |
680 ((HPT_U64)cdb[4]<<40) |
681 ((HPT_U64)cdb[5]<<32) |
682 ((HPT_U64)cdb[6]<<24) |
683 ((HPT_U64)cdb[7]<<16) |
684 ((HPT_U64)cdb[8]<<8) |
685 ((HPT_U64)cdb[9]);
686 pCmd->uCmd.Ide.Lba = block;
687 pCmd->uCmd.Ide.nSectors = (HPT_U16)cdb[13] | ((HPT_U16)cdb[12]<<8);
688 break;
689 }
690
691 default:
692 pCmd->uCmd.Ide.Lba = (HPT_U32)cdb[5] | ((HPT_U32)cdb[4] << 8) | ((HPT_U32)cdb[3] << 16) | ((HPT_U32)cdb[2] << 24);
693 pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[8] | ((HPT_U16)cdb[7]<<8);
694 break;
695 }
696
697 switch (cdb[0]) {
698 case READ_6:
699 case READ_10:
700 case READ_16:
701 pCmd->flags.data_in = 1;
702 break;
703 case WRITE_6:
704 case WRITE_10:
705 case WRITE_16:
706 pCmd->flags.data_out = 1;
707 break;
708 }
709 pCmd->priv = ext = cmdext_get(vbus_ext);
710 HPT_ASSERT(ext);
711 ext->ccb = ccb;
712 pCmd->target = vd;
713 pCmd->done = os_cmddone;
714 pCmd->buildsgl = os_buildsgl;
715 pCmd->psg = ext->psg;
716 pCmd->flags.physical_sg = 1;
717 error = bus_dmamap_load_ccb(vbus_ext->io_dmat,
718 ext->dma_map,
719 ccb,
720 hpt_io_dmamap_callback, pCmd,
721 BUS_DMA_WAITOK
722 );
723 KdPrint(("bus_dmamap_load return %d", error));
724 if (error && error!=EINPROGRESS) {
725 os_printk("bus_dmamap_load error %d", error);
726 cmdext_put(ext);
727 ldm_free_cmds(pCmd);
728 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
729 xpt_done(ccb);
730 }
731 return;
732 }
733
734 default:
735 ccb->ccb_h.status = CAM_REQ_INVALID;
736 break;
737 }
738
739 xpt_done(ccb);
740 return;
741 }
742
hpt_action(struct cam_sim * sim,union ccb * ccb)743 static void hpt_action(struct cam_sim *sim, union ccb *ccb)
744 {
745 PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim);
746
747 KdPrint(("hpt_action(fn=%d, id=%d)", ccb->ccb_h.func_code, ccb->ccb_h.target_id));
748
749 hpt_assert_vbus_locked(vbus_ext);
750 switch (ccb->ccb_h.func_code) {
751
752 case XPT_SCSI_IO:
753 hpt_scsi_io(vbus_ext, ccb);
754 return;
755
756 case XPT_RESET_BUS:
757 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
758 break;
759
760 case XPT_GET_TRAN_SETTINGS:
761 case XPT_SET_TRAN_SETTINGS:
762 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
763 break;
764
765 case XPT_CALC_GEOMETRY:
766 cam_calc_geometry(&ccb->ccg, 1);
767 break;
768
769 case XPT_PATH_INQ:
770 {
771 struct ccb_pathinq *cpi = &ccb->cpi;
772
773 cpi->version_num = 1;
774 cpi->hba_inquiry = PI_SDTR_ABLE;
775 cpi->target_sprt = 0;
776 cpi->hba_misc = PIM_NOBUSRESET;
777 cpi->hba_eng_cnt = 0;
778 cpi->max_target = osm_max_targets;
779 cpi->max_lun = 0;
780 cpi->unit_number = cam_sim_unit(sim);
781 cpi->bus_id = cam_sim_bus(sim);
782 cpi->initiator_id = osm_max_targets;
783 cpi->base_transfer_speed = 3300;
784
785 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
786 strlcpy(cpi->hba_vid, "HPT ", HBA_IDLEN);
787 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
788 cpi->transport = XPORT_SPI;
789 cpi->transport_version = 2;
790 cpi->protocol = PROTO_SCSI;
791 cpi->protocol_version = SCSI_REV_2;
792 cpi->ccb_h.status = CAM_REQ_CMP;
793 break;
794 }
795
796 default:
797 ccb->ccb_h.status = CAM_REQ_INVALID;
798 break;
799 }
800
801 xpt_done(ccb);
802 return;
803 }
804
hpt_pci_intr(void * arg)805 static void hpt_pci_intr(void *arg)
806 {
807 PVBUS_EXT vbus_ext = (PVBUS_EXT)arg;
808 hpt_lock_vbus(vbus_ext);
809 ldm_intr((PVBUS)vbus_ext->vbus);
810 hpt_unlock_vbus(vbus_ext);
811 }
812
hpt_poll(struct cam_sim * sim)813 static void hpt_poll(struct cam_sim *sim)
814 {
815 PVBUS_EXT vbus_ext = cam_sim_softc(sim);
816 hpt_assert_vbus_locked(vbus_ext);
817 ldm_intr((PVBUS)vbus_ext->vbus);
818 }
819
hpt_async(void * callback_arg,u_int32_t code,struct cam_path * path,void * arg)820 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg)
821 {
822 KdPrint(("hpt_async"));
823 }
824
hpt_shutdown(device_t dev)825 static int hpt_shutdown(device_t dev)
826 {
827 KdPrint(("hpt_shutdown(dev=%p)", dev));
828 return 0;
829 }
830
hpt_detach(device_t dev)831 static int hpt_detach(device_t dev)
832 {
833 /* we don't allow the driver to be unloaded. */
834 return EBUSY;
835 }
836
hpt_ioctl_done(struct _IOCTL_ARG * arg)837 static void hpt_ioctl_done(struct _IOCTL_ARG *arg)
838 {
839 arg->ioctl_cmnd = 0;
840 wakeup(arg);
841 }
842
__hpt_do_ioctl(PVBUS_EXT vbus_ext,IOCTL_ARG * ioctl_args)843 static void __hpt_do_ioctl(PVBUS_EXT vbus_ext, IOCTL_ARG *ioctl_args)
844 {
845 ioctl_args->result = -1;
846 ioctl_args->done = hpt_ioctl_done;
847 ioctl_args->ioctl_cmnd = (void *)1;
848
849 hpt_lock_vbus(vbus_ext);
850 ldm_ioctl((PVBUS)vbus_ext->vbus, ioctl_args);
851
852 while (ioctl_args->ioctl_cmnd) {
853 if (hpt_sleep(vbus_ext, ioctl_args, PPAUSE, "hptctl", HPT_OSM_TIMEOUT)==0)
854 break;
855 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
856 __hpt_do_tasks(vbus_ext);
857 }
858
859 /* KdPrint(("ioctl %x result %d", ioctl_args->dwIoControlCode, ioctl_args->result)); */
860
861 hpt_unlock_vbus(vbus_ext);
862 }
863
hpt_do_ioctl(IOCTL_ARG * ioctl_args)864 static void hpt_do_ioctl(IOCTL_ARG *ioctl_args)
865 {
866 PVBUS vbus;
867 PVBUS_EXT vbus_ext;
868
869 ldm_for_each_vbus(vbus, vbus_ext) {
870 __hpt_do_ioctl(vbus_ext, ioctl_args);
871 if (ioctl_args->result!=HPT_IOCTL_RESULT_WRONG_VBUS)
872 return;
873 }
874 }
875
876 #define HPT_DO_IOCTL(code, inbuf, insize, outbuf, outsize) ({\
877 IOCTL_ARG arg;\
878 arg.dwIoControlCode = code;\
879 arg.lpInBuffer = inbuf;\
880 arg.lpOutBuffer = outbuf;\
881 arg.nInBufferSize = insize;\
882 arg.nOutBufferSize = outsize;\
883 arg.lpBytesReturned = 0;\
884 hpt_do_ioctl(&arg);\
885 arg.result;\
886 })
887
888 #define DEVICEID_VALID(id) ((id) && ((HPT_U32)(id)!=0xffffffff))
889
hpt_get_logical_devices(DEVICEID * pIds,int nMaxCount)890 static int hpt_get_logical_devices(DEVICEID * pIds, int nMaxCount)
891 {
892 int i;
893 HPT_U32 count = nMaxCount-1;
894
895 if (HPT_DO_IOCTL(HPT_IOCTL_GET_LOGICAL_DEVICES,
896 &count, sizeof(HPT_U32), pIds, sizeof(DEVICEID)*nMaxCount))
897 return -1;
898
899 nMaxCount = (int)pIds[0];
900 for (i=0; i<nMaxCount; i++) pIds[i] = pIds[i+1];
901 return nMaxCount;
902 }
903
hpt_get_device_info_v3(DEVICEID id,PLOGICAL_DEVICE_INFO_V3 pInfo)904 static int hpt_get_device_info_v3(DEVICEID id, PLOGICAL_DEVICE_INFO_V3 pInfo)
905 {
906 return HPT_DO_IOCTL(HPT_IOCTL_GET_DEVICE_INFO_V3,
907 &id, sizeof(DEVICEID), pInfo, sizeof(LOGICAL_DEVICE_INFO_V3));
908 }
909
910 /* not belong to this file logically, but we want to use ioctl interface */
__hpt_stop_tasks(PVBUS_EXT vbus_ext,DEVICEID id)911 static int __hpt_stop_tasks(PVBUS_EXT vbus_ext, DEVICEID id)
912 {
913 LOGICAL_DEVICE_INFO_V3 devinfo;
914 int i, result;
915 DEVICEID param[2] = { id, 0 };
916
917 if (hpt_get_device_info_v3(id, &devinfo))
918 return -1;
919
920 if (devinfo.Type!=LDT_ARRAY)
921 return -1;
922
923 if (devinfo.u.array.Flags & ARRAY_FLAG_REBUILDING)
924 param[1] = AS_REBUILD_ABORT;
925 else if (devinfo.u.array.Flags & ARRAY_FLAG_VERIFYING)
926 param[1] = AS_VERIFY_ABORT;
927 else if (devinfo.u.array.Flags & ARRAY_FLAG_INITIALIZING)
928 param[1] = AS_INITIALIZE_ABORT;
929 else if (devinfo.u.array.Flags & ARRAY_FLAG_TRANSFORMING)
930 param[1] = AS_TRANSFORM_ABORT;
931 else
932 return -1;
933
934 KdPrint(("SET_ARRAY_STATE(%x, %d)", param[0], param[1]));
935 result = HPT_DO_IOCTL(HPT_IOCTL_SET_ARRAY_STATE,
936 param, sizeof(param), 0, 0);
937
938 for (i=0; i<devinfo.u.array.nDisk; i++)
939 if (DEVICEID_VALID(devinfo.u.array.Members[i]))
940 __hpt_stop_tasks(vbus_ext, devinfo.u.array.Members[i]);
941
942 return result;
943 }
944
hpt_stop_tasks(PVBUS_EXT vbus_ext)945 static void hpt_stop_tasks(PVBUS_EXT vbus_ext)
946 {
947 DEVICEID ids[32];
948 int i, count;
949
950 count = hpt_get_logical_devices((DEVICEID *)&ids, sizeof(ids)/sizeof(ids[0]));
951
952 for (i=0; i<count; i++)
953 __hpt_stop_tasks(vbus_ext, ids[i]);
954 }
955
956 static d_open_t hpt_open;
957 static d_close_t hpt_close;
958 static d_ioctl_t hpt_ioctl;
959 static int hpt_rescan_bus(void);
960
961 static struct cdevsw hpt_cdevsw = {
962 .d_open = hpt_open,
963 .d_close = hpt_close,
964 .d_ioctl = hpt_ioctl,
965 .d_name = driver_name,
966 .d_version = D_VERSION,
967 };
968
969 static struct intr_config_hook hpt_ich;
970
971 /*
972 * hpt_final_init will be called after all hpt_attach.
973 */
hpt_final_init(void * dummy)974 static void hpt_final_init(void *dummy)
975 {
976 int i;
977 PVBUS_EXT vbus_ext;
978 PVBUS vbus;
979 PHBA hba;
980
981 /* Clear the config hook */
982 config_intrhook_disestablish(&hpt_ich);
983
984 /* allocate memory */
985 i = 0;
986 ldm_for_each_vbus(vbus, vbus_ext) {
987 if (hpt_alloc_mem(vbus_ext)) {
988 os_printk("out of memory");
989 return;
990 }
991 i++;
992 }
993
994 if (!i) {
995 if (bootverbose)
996 os_printk("no controller detected.");
997 return;
998 }
999
1000 /* initializing hardware */
1001 ldm_for_each_vbus(vbus, vbus_ext) {
1002 /* make timer available here */
1003 mtx_init(&vbus_ext->lock, "hptsleeplock", NULL, MTX_DEF);
1004 callout_init_mtx(&vbus_ext->timer, &vbus_ext->lock, 0);
1005 if (hpt_init_vbus(vbus_ext)) {
1006 os_printk("fail to initialize hardware");
1007 break; /* FIXME */
1008 }
1009 }
1010
1011 /* register CAM interface */
1012 ldm_for_each_vbus(vbus, vbus_ext) {
1013 struct cam_devq *devq;
1014 struct ccb_setasync ccb;
1015
1016 if (bus_dma_tag_create(NULL,/* parent */
1017 4, /* alignment */
1018 BUS_SPACE_MAXADDR_32BIT+1, /* boundary */
1019 BUS_SPACE_MAXADDR, /* lowaddr */
1020 BUS_SPACE_MAXADDR, /* highaddr */
1021 NULL, NULL, /* filter, filterarg */
1022 PAGE_SIZE * (os_max_sg_descriptors-1), /* maxsize */
1023 os_max_sg_descriptors, /* nsegments */
1024 0x10000, /* maxsegsize */
1025 BUS_DMA_WAITOK, /* flags */
1026 busdma_lock_mutex, /* lockfunc */
1027 &vbus_ext->lock, /* lockfuncarg */
1028 &vbus_ext->io_dmat /* tag */))
1029 {
1030 return ;
1031 }
1032
1033 for (i=0; i<os_max_queue_comm; i++) {
1034 POS_CMDEXT ext = (POS_CMDEXT)malloc(sizeof(OS_CMDEXT), M_DEVBUF, M_WAITOK);
1035 ext->vbus_ext = vbus_ext;
1036 ext->next = vbus_ext->cmdext_list;
1037 vbus_ext->cmdext_list = ext;
1038
1039 if (bus_dmamap_create(vbus_ext->io_dmat, 0, &ext->dma_map)) {
1040 os_printk("Can't create dma map(%d)", i);
1041 return ;
1042 }
1043 callout_init_mtx(&ext->timeout, &vbus_ext->lock, 0);
1044 }
1045
1046 if ((devq = cam_simq_alloc(os_max_queue_comm)) == NULL) {
1047 os_printk("cam_simq_alloc failed");
1048 return ;
1049 }
1050
1051 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name,
1052 vbus_ext, 0, &vbus_ext->lock, os_max_queue_comm,
1053 /*tagged*/8, devq);
1054
1055 if (!vbus_ext->sim) {
1056 os_printk("cam_sim_alloc failed");
1057 cam_simq_free(devq);
1058 return ;
1059 }
1060
1061 hpt_lock_vbus(vbus_ext);
1062 if (xpt_bus_register(vbus_ext->sim, NULL, 0) != CAM_SUCCESS) {
1063 os_printk("xpt_bus_register failed");
1064 cam_sim_free(vbus_ext->sim, /*free devq*/ TRUE);
1065 hpt_unlock_vbus(vbus_ext);
1066 vbus_ext->sim = NULL;
1067 return ;
1068 }
1069
1070 if (xpt_create_path(&vbus_ext->path, /*periph */ NULL,
1071 cam_sim_path(vbus_ext->sim), CAM_TARGET_WILDCARD,
1072 CAM_LUN_WILDCARD) != CAM_REQ_CMP)
1073 {
1074 os_printk("xpt_create_path failed");
1075 xpt_bus_deregister(cam_sim_path(vbus_ext->sim));
1076 cam_sim_free(vbus_ext->sim, /*free_devq*/TRUE);
1077 hpt_unlock_vbus(vbus_ext);
1078 vbus_ext->sim = NULL;
1079 return ;
1080 }
1081 hpt_unlock_vbus(vbus_ext);
1082
1083 memset(&ccb, 0, sizeof(ccb));
1084 xpt_setup_ccb(&ccb.ccb_h, vbus_ext->path, /*priority*/5);
1085 ccb.ccb_h.func_code = XPT_SASYNC_CB;
1086 ccb.event_enable = AC_LOST_DEVICE;
1087 ccb.callback = hpt_async;
1088 ccb.callback_arg = vbus_ext;
1089 xpt_action((union ccb *)&ccb);
1090
1091 for (hba = vbus_ext->hba_list; hba; hba = hba->next) {
1092 int rid = 0;
1093 if ((hba->irq_res = bus_alloc_resource_any(hba->pcidev,
1094 SYS_RES_IRQ, &rid, RF_SHAREABLE | RF_ACTIVE)) == NULL)
1095 {
1096 os_printk("can't allocate interrupt");
1097 return ;
1098 }
1099
1100 if (bus_setup_intr(hba->pcidev, hba->irq_res, INTR_TYPE_CAM | INTR_MPSAFE,
1101 NULL, hpt_pci_intr, vbus_ext, &hba->irq_handle))
1102 {
1103 os_printk("can't set up interrupt");
1104 return ;
1105 }
1106 hba->ldm_adapter.him->intr_control(hba->ldm_adapter.him_handle, HPT_TRUE);
1107 }
1108
1109 vbus_ext->shutdown_eh = EVENTHANDLER_REGISTER(shutdown_final,
1110 hpt_shutdown_vbus, vbus_ext, SHUTDOWN_PRI_DEFAULT);
1111 if (!vbus_ext->shutdown_eh)
1112 os_printk("Shutdown event registration failed");
1113 }
1114
1115 ldm_for_each_vbus(vbus, vbus_ext) {
1116 TASK_INIT(&vbus_ext->worker, 0, (task_fn_t *)hpt_do_tasks, vbus_ext);
1117 if (vbus_ext->tasks)
1118 TASK_ENQUEUE(&vbus_ext->worker);
1119 }
1120
1121 make_dev(&hpt_cdevsw, DRIVER_MINOR, UID_ROOT, GID_OPERATOR,
1122 S_IRUSR | S_IWUSR, "%s", driver_name);
1123 }
1124
1125 #if defined(KLD_MODULE)
1126
1127 typedef struct driverlink *driverlink_t;
1128 struct driverlink {
1129 kobj_class_t driver;
1130 TAILQ_ENTRY(driverlink) link; /* list of drivers in devclass */
1131 };
1132
1133 typedef TAILQ_HEAD(driver_list, driverlink) driver_list_t;
1134
1135 struct devclass {
1136 TAILQ_ENTRY(devclass) link;
1137 devclass_t parent; /* parent in devclass hierarchy */
1138 driver_list_t drivers; /* bus devclasses store drivers for bus */
1139 char *name;
1140 device_t *devices; /* array of devices indexed by unit */
1141 int maxunit; /* size of devices array */
1142 };
1143
override_kernel_driver(void)1144 static void override_kernel_driver(void)
1145 {
1146 driverlink_t dl, dlfirst;
1147 driver_t *tmpdriver;
1148 devclass_t dc = devclass_find("pci");
1149
1150 if (dc){
1151 dlfirst = TAILQ_FIRST(&dc->drivers);
1152 for (dl = dlfirst; dl; dl = TAILQ_NEXT(dl, link)) {
1153 if(strcmp(dl->driver->name, driver_name) == 0) {
1154 tmpdriver=dl->driver;
1155 dl->driver=dlfirst->driver;
1156 dlfirst->driver=tmpdriver;
1157 break;
1158 }
1159 }
1160 }
1161 }
1162
1163 #else
1164 #define override_kernel_driver()
1165 #endif
1166
hpt_init(void * dummy)1167 static void hpt_init(void *dummy)
1168 {
1169 if (bootverbose)
1170 os_printk("%s %s", driver_name_long, driver_ver);
1171
1172 override_kernel_driver();
1173 init_config();
1174
1175 hpt_ich.ich_func = hpt_final_init;
1176 hpt_ich.ich_arg = NULL;
1177 if (config_intrhook_establish(&hpt_ich) != 0) {
1178 printf("%s: cannot establish configuration hook\n",
1179 driver_name_long);
1180 }
1181
1182 }
1183 SYSINIT(hptinit, SI_SUB_CONFIGURE, SI_ORDER_FIRST, hpt_init, NULL);
1184
1185 /*
1186 * CAM driver interface
1187 */
1188 static device_method_t driver_methods[] = {
1189 /* Device interface */
1190 DEVMETHOD(device_probe, hpt_probe),
1191 DEVMETHOD(device_attach, hpt_attach),
1192 DEVMETHOD(device_detach, hpt_detach),
1193 DEVMETHOD(device_shutdown, hpt_shutdown),
1194 DEVMETHOD_END
1195 };
1196
1197 static driver_t hpt_pci_driver = {
1198 driver_name,
1199 driver_methods,
1200 sizeof(HBA)
1201 };
1202
1203 #ifndef TARGETNAME
1204 #error "no TARGETNAME found"
1205 #endif
1206
1207 /* use this to make TARGETNAME be expanded */
1208 #define __DRIVER_MODULE(p1, p2, p3, p4, p5) DRIVER_MODULE(p1, p2, p3, p4, p5)
1209 #define __MODULE_VERSION(p1, p2) MODULE_VERSION(p1, p2)
1210 #define __MODULE_DEPEND(p1, p2, p3, p4, p5) MODULE_DEPEND(p1, p2, p3, p4, p5)
1211 __DRIVER_MODULE(TARGETNAME, pci, hpt_pci_driver, 0, 0);
1212 __MODULE_VERSION(TARGETNAME, 1);
1213 __MODULE_DEPEND(TARGETNAME, cam, 1, 1, 1);
1214
hpt_open(struct cdev * dev,int flags,int devtype,struct thread * td)1215 static int hpt_open(struct cdev *dev, int flags, int devtype, struct thread *td)
1216 {
1217 return 0;
1218 }
1219
hpt_close(struct cdev * dev,int flags,int devtype,struct thread * td)1220 static int hpt_close(struct cdev *dev, int flags, int devtype, struct thread *td)
1221 {
1222 return 0;
1223 }
1224
hpt_ioctl(struct cdev * dev,u_long cmd,caddr_t data,int fflag,struct thread * td)1225 static int hpt_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag, struct thread *td)
1226 {
1227 PHPT_IOCTL_PARAM piop=(PHPT_IOCTL_PARAM)data;
1228 IOCTL_ARG ioctl_args;
1229 HPT_U32 bytesReturned = 0;
1230
1231 switch (cmd){
1232 case HPT_DO_IOCONTROL:
1233 {
1234 if (piop->Magic == HPT_IOCTL_MAGIC || piop->Magic == HPT_IOCTL_MAGIC32) {
1235 KdPrint(("ioctl=%x in=%p len=%d out=%p len=%d\n",
1236 piop->dwIoControlCode,
1237 piop->lpInBuffer,
1238 piop->nInBufferSize,
1239 piop->lpOutBuffer,
1240 piop->nOutBufferSize));
1241
1242 memset(&ioctl_args, 0, sizeof(ioctl_args));
1243
1244 ioctl_args.dwIoControlCode = piop->dwIoControlCode;
1245 ioctl_args.nInBufferSize = piop->nInBufferSize;
1246 ioctl_args.nOutBufferSize = piop->nOutBufferSize;
1247 ioctl_args.lpBytesReturned = &bytesReturned;
1248
1249 if (ioctl_args.nInBufferSize) {
1250 ioctl_args.lpInBuffer = malloc(ioctl_args.nInBufferSize, M_DEVBUF, M_WAITOK);
1251 if (copyin((void*)piop->lpInBuffer,
1252 ioctl_args.lpInBuffer, piop->nInBufferSize))
1253 goto invalid;
1254 }
1255
1256 if (ioctl_args.nOutBufferSize)
1257 ioctl_args.lpOutBuffer = malloc(ioctl_args.nOutBufferSize, M_DEVBUF, M_WAITOK | M_ZERO);
1258
1259 hpt_do_ioctl(&ioctl_args);
1260
1261 if (ioctl_args.result==HPT_IOCTL_RESULT_OK) {
1262 if (piop->nOutBufferSize) {
1263 if (copyout(ioctl_args.lpOutBuffer,
1264 (void*)piop->lpOutBuffer, piop->nOutBufferSize))
1265 goto invalid;
1266 }
1267 if (piop->lpBytesReturned) {
1268 if (copyout(&bytesReturned,
1269 (void*)piop->lpBytesReturned, sizeof(HPT_U32)))
1270 goto invalid;
1271 }
1272 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF);
1273 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF);
1274 return 0;
1275 }
1276 invalid:
1277 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF);
1278 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF);
1279 return EFAULT;
1280 }
1281 return EFAULT;
1282 }
1283
1284 case HPT_SCAN_BUS:
1285 {
1286 return hpt_rescan_bus();
1287 }
1288 default:
1289 KdPrint(("invalid command!"));
1290 return EFAULT;
1291 }
1292
1293 }
1294
hpt_rescan_bus(void)1295 static int hpt_rescan_bus(void)
1296 {
1297 union ccb *ccb;
1298 PVBUS vbus;
1299 PVBUS_EXT vbus_ext;
1300
1301 ldm_for_each_vbus(vbus, vbus_ext) {
1302 if ((ccb = xpt_alloc_ccb()) == NULL)
1303 return(ENOMEM);
1304 if (xpt_create_path(&ccb->ccb_h.path, NULL,
1305 cam_sim_path(vbus_ext->sim),
1306 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
1307 xpt_free_ccb(ccb);
1308 return(EIO);
1309 }
1310 xpt_rescan(ccb);
1311 }
1312
1313 return(0);
1314 }
1315