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: releng/8.4/sys/dev/hpt27xx/osm_bsd.c 245940 2013-01-26 05:25:32Z 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
34 static 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
63 static 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 */
130 static __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
137 static __inline void free_pages(void *p, int order)
138 {
139 contigfree(p, PAGE_SIZE<<order, M_DEVBUF);
140 }
141
142 static int hpt_alloc_mem(PVBUS_EXT vbus_ext)
143 {
144 PHBA hba;
145 struct freelist *f;
146 HPT_UINT i;
147 void **p;
148
149 for (hba = vbus_ext->hba_list; hba; hba = hba->next)
150 hba->ldm_adapter.him->get_meminfo(hba->ldm_adapter.him_handle);
151
152 ldm_get_mem_info((PVBUS)vbus_ext->vbus, 0);
153
154 for (f=vbus_ext->freelist_head; f; f=f->next) {
155 KdPrint(("%s: %d*%d=%d bytes",
156 f->tag, f->count, f->size, f->count*f->size));
157 for (i=0; i<f->count; i++) {
158 p = (void **)malloc(f->size, M_DEVBUF, M_WAITOK);
159 if (!p) return (ENXIO);
160 *p = f->head;
161 f->head = p;
162 }
163 }
164
165 for (f=vbus_ext->freelist_dma_head; f; f=f->next) {
166 int order, size, j;
167
168 HPT_ASSERT((f->size & (f->alignment-1))==0);
169
170 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1)
171 ;
172
173 KdPrint(("%s: %d*%d=%d bytes, order %d",
174 f->tag, f->count, f->size, f->count*f->size, order));
175 HPT_ASSERT(f->alignment<=PAGE_SIZE);
176
177 for (i=0; i<f->count;) {
178 p = (void **)__get_free_pages(order);
179 if (!p) return -1;
180 for (j = size/f->size; j && i<f->count; i++,j--) {
181 *p = f->head;
182 *(BUS_ADDRESS *)(p+1) = (BUS_ADDRESS)vtophys(p);
183 f->head = p;
184 p = (void **)((unsigned long)p + f->size);
185 }
186 }
187 }
188
189 HPT_ASSERT(PAGE_SIZE==DMAPOOL_PAGE_SIZE);
190
191 for (i=0; i<os_max_cache_pages; i++) {
192 p = (void **)__get_free_pages(0);
193 if (!p) return -1;
194 HPT_ASSERT(((HPT_UPTR)p & (DMAPOOL_PAGE_SIZE-1))==0);
195 dmapool_put_page((PVBUS)vbus_ext->vbus, p, (BUS_ADDRESS)vtophys(p));
196 }
197
198 return 0;
199 }
200
201 static void hpt_free_mem(PVBUS_EXT vbus_ext)
202 {
203 struct freelist *f;
204 void *p;
205 int i;
206 BUS_ADDRESS bus;
207
208 for (f=vbus_ext->freelist_head; f; f=f->next) {
209 #if DBG
210 if (f->count!=f->reserved_count) {
211 KdPrint(("memory leak for freelist %s (%d/%d)", f->tag, f->count, f->reserved_count));
212 }
213 #endif
214 while ((p=freelist_get(f)))
215 free(p, M_DEVBUF);
216 }
217
218 for (i=0; i<os_max_cache_pages; i++) {
219 p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus);
220 HPT_ASSERT(p);
221 free_pages(p, 0);
222 }
223
224 for (f=vbus_ext->freelist_dma_head; f; f=f->next) {
225 int order, size;
226 #if DBG
227 if (f->count!=f->reserved_count) {
228 KdPrint(("memory leak for dma freelist %s (%d/%d)", f->tag, f->count, f->reserved_count));
229 }
230 #endif
231 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) ;
232
233 while ((p=freelist_get_dma(f, &bus))) {
234 if (order)
235 free_pages(p, order);
236 else {
237 /* can't free immediately since other blocks in this page may still be in the list */
238 if (((HPT_UPTR)p & (PAGE_SIZE-1))==0)
239 dmapool_put_page((PVBUS)vbus_ext->vbus, p, bus);
240 }
241 }
242 }
243
244 while ((p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus)))
245 free_pages(p, 0);
246 }
247
248 static int hpt_init_vbus(PVBUS_EXT vbus_ext)
249 {
250 PHBA hba;
251
252 for (hba = vbus_ext->hba_list; hba; hba = hba->next)
253 if (!hba->ldm_adapter.him->initialize(hba->ldm_adapter.him_handle)) {
254 KdPrint(("fail to initialize %p", hba));
255 return -1;
256 }
257
258 ldm_initialize_vbus((PVBUS)vbus_ext->vbus, &vbus_ext->hba_list->ldm_adapter);
259 return 0;
260 }
261
262 static void hpt_flush_done(PCOMMAND pCmd)
263 {
264 PVDEV vd = pCmd->target;
265
266 if (mIsArray(vd->type) && vd->u.array.transform && vd!=vd->u.array.transform->target) {
267 vd = vd->u.array.transform->target;
268 HPT_ASSERT(vd);
269 pCmd->target = vd;
270 pCmd->Result = RETURN_PENDING;
271 vdev_queue_cmd(pCmd);
272 return;
273 }
274
275 *(int *)pCmd->priv = 1;
276 wakeup(pCmd);
277 }
278
279 /*
280 * flush a vdev (without retry).
281 */
282 static int hpt_flush_vdev(PVBUS_EXT vbus_ext, PVDEV vd)
283 {
284 PCOMMAND pCmd;
285 int result = 0, done;
286 HPT_UINT count;
287
288 KdPrint(("flusing dev %p", vd));
289
290 hpt_lock_vbus(vbus_ext);
291
292 if (mIsArray(vd->type) && vd->u.array.transform)
293 count = MAX(vd->u.array.transform->source->cmds_per_request,
294 vd->u.array.transform->target->cmds_per_request);
295 else
296 count = vd->cmds_per_request;
297
298 pCmd = ldm_alloc_cmds(vd->vbus, count);
299
300 if (!pCmd) {
301 hpt_unlock_vbus(vbus_ext);
302 return -1;
303 }
304
305 pCmd->type = CMD_TYPE_FLUSH;
306 pCmd->flags.hard_flush = 1;
307 pCmd->target = vd;
308 pCmd->done = hpt_flush_done;
309 done = 0;
310 pCmd->priv = &done;
311
312 ldm_queue_cmd(pCmd);
313
314 if (!done) {
315 while (hpt_sleep(vbus_ext, pCmd, PPAUSE, "hptfls", HPT_OSM_TIMEOUT)) {
316 ldm_reset_vbus(vd->vbus);
317 }
318 }
319
320 KdPrint(("flush result %d", pCmd->Result));
321
322 if (pCmd->Result!=RETURN_SUCCESS)
323 result = -1;
324
325 ldm_free_cmds(pCmd);
326
327 hpt_unlock_vbus(vbus_ext);
328
329 return result;
330 }
331
332 static void hpt_stop_tasks(PVBUS_EXT vbus_ext);
333 static void hpt_shutdown_vbus(PVBUS_EXT vbus_ext, int howto)
334 {
335 PVBUS vbus = (PVBUS)vbus_ext->vbus;
336 PHBA hba;
337 int i;
338
339 KdPrint(("hpt_shutdown_vbus"));
340
341 /* stop all ctl tasks and disable the worker taskqueue */
342 hpt_stop_tasks(vbus_ext);
343 vbus_ext->worker.ta_context = 0;
344
345 /* flush devices */
346 for (i=0; i<osm_max_targets; i++) {
347 PVDEV vd = ldm_find_target(vbus, i);
348 if (vd) {
349 /* retry once */
350 if (hpt_flush_vdev(vbus_ext, vd))
351 hpt_flush_vdev(vbus_ext, vd);
352 }
353 }
354
355 hpt_lock_vbus(vbus_ext);
356 ldm_shutdown(vbus);
357 hpt_unlock_vbus(vbus_ext);
358
359 ldm_release_vbus(vbus);
360
361 for (hba=vbus_ext->hba_list; hba; hba=hba->next)
362 bus_teardown_intr(hba->pcidev, hba->irq_res, hba->irq_handle);
363
364 hpt_free_mem(vbus_ext);
365
366 while ((hba=vbus_ext->hba_list)) {
367 vbus_ext->hba_list = hba->next;
368 free(hba->ldm_adapter.him_handle, M_DEVBUF);
369 }
370
371 free(vbus_ext, M_DEVBUF);
372 KdPrint(("hpt_shutdown_vbus done"));
373 }
374
375 static void __hpt_do_tasks(PVBUS_EXT vbus_ext)
376 {
377 OSM_TASK *tasks;
378
379 tasks = vbus_ext->tasks;
380 vbus_ext->tasks = 0;
381
382 while (tasks) {
383 OSM_TASK *t = tasks;
384 tasks = t->next;
385 t->next = 0;
386 t->func(vbus_ext->vbus, t->data);
387 }
388 }
389
390 static void hpt_do_tasks(PVBUS_EXT vbus_ext, int pending)
391 {
392 if(vbus_ext){
393 hpt_lock_vbus(vbus_ext);
394 __hpt_do_tasks(vbus_ext);
395 hpt_unlock_vbus(vbus_ext);
396 }
397 }
398
399 static void hpt_action(struct cam_sim *sim, union ccb *ccb);
400 static void hpt_poll(struct cam_sim *sim);
401 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg);
402 static void hpt_pci_intr(void *arg);
403
404 static __inline POS_CMDEXT cmdext_get(PVBUS_EXT vbus_ext)
405 {
406 POS_CMDEXT p = vbus_ext->cmdext_list;
407 if (p)
408 vbus_ext->cmdext_list = p->next;
409 return p;
410 }
411
412 static __inline void cmdext_put(POS_CMDEXT p)
413 {
414 p->next = p->vbus_ext->cmdext_list;
415 p->vbus_ext->cmdext_list = p;
416 }
417
418 static void hpt_timeout(void *arg)
419 {
420 PCOMMAND pCmd = (PCOMMAND)arg;
421 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
422
423 KdPrint(("pCmd %p timeout", pCmd));
424
425 ldm_reset_vbus((PVBUS)ext->vbus_ext->vbus);
426 }
427
428 static void os_cmddone(PCOMMAND pCmd)
429 {
430 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
431 union ccb *ccb = ext->ccb;
432
433 KdPrint(("os_cmddone(%p, %d)", pCmd, pCmd->Result));
434
435 untimeout(hpt_timeout, pCmd, ccb->ccb_h.timeout_ch);
436
437 switch(pCmd->Result) {
438 case RETURN_SUCCESS:
439 ccb->ccb_h.status = CAM_REQ_CMP;
440 break;
441 case RETURN_BAD_DEVICE:
442 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
443 break;
444 case RETURN_DEVICE_BUSY:
445 ccb->ccb_h.status = CAM_BUSY;
446 break;
447 case RETURN_INVALID_REQUEST:
448 ccb->ccb_h.status = CAM_REQ_INVALID;
449 break;
450 case RETURN_SELECTION_TIMEOUT:
451 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
452 break;
453 case RETURN_RETRY:
454 ccb->ccb_h.status = CAM_BUSY;
455 break;
456 default:
457 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR;
458 break;
459 }
460
461 if (pCmd->flags.data_in) {
462 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTREAD);
463 }
464 else if (pCmd->flags.data_out) {
465 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTWRITE);
466 }
467
468 bus_dmamap_unload(ext->vbus_ext->io_dmat, ext->dma_map);
469
470 cmdext_put(ext);
471 ldm_free_cmds(pCmd);
472 xpt_done(ccb);
473 }
474
475 static int os_buildsgl(PCOMMAND pCmd, PSG pSg, int logical)
476 {
477 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
478 union ccb *ccb = ext->ccb;
479 bus_dma_segment_t *sgList = (bus_dma_segment_t *)ccb->csio.data_ptr;
480 int idx;
481
482 if(logical) {
483 if (ccb->ccb_h.flags & CAM_DATA_PHYS)
484 panic("physical address unsupported");
485
486 if (ccb->ccb_h.flags & CAM_SCATTER_VALID) {
487 if (ccb->ccb_h.flags & CAM_SG_LIST_PHYS)
488 panic("physical address unsupported");
489
490 for (idx = 0; idx < ccb->csio.sglist_cnt; idx++) {
491 os_set_sgptr(&pSg[idx], (HPT_U8 *)(HPT_UPTR)sgList[idx].ds_addr);
492 pSg[idx].size = sgList[idx].ds_len;
493 pSg[idx].eot = (idx==ccb->csio.sglist_cnt-1)? 1 : 0;
494 }
495 }
496 else {
497 os_set_sgptr(pSg, (HPT_U8 *)ccb->csio.data_ptr);
498 pSg->size = ccb->csio.dxfer_len;
499 pSg->eot = 1;
500 }
501 return TRUE;
502 }
503
504 /* since we have provided physical sg, nobody will ask us to build physical sg */
505 HPT_ASSERT(0);
506 return FALSE;
507 }
508
509 static void hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
510 {
511 PCOMMAND pCmd = (PCOMMAND)arg;
512 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
513 PSG psg = pCmd->psg;
514 int idx;
515
516 HPT_ASSERT(pCmd->flags.physical_sg);
517
518 if (error || nsegs == 0)
519 panic("busdma error");
520
521 HPT_ASSERT(nsegs<=os_max_sg_descriptors);
522
523 for (idx = 0; idx < nsegs; idx++, psg++) {
524 psg->addr.bus = segs[idx].ds_addr;
525 psg->size = segs[idx].ds_len;
526 psg->eot = 0;
527 }
528 psg[-1].eot = 1;
529
530 if (pCmd->flags.data_in) {
531 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_PREREAD);
532 }
533 else if (pCmd->flags.data_out) {
534 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_PREWRITE);
535 }
536
537 ext->ccb->ccb_h.timeout_ch = timeout(hpt_timeout, pCmd, HPT_OSM_TIMEOUT);
538 ldm_queue_cmd(pCmd);
539 }
540
541 static void hpt_scsi_io(PVBUS_EXT vbus_ext, union ccb *ccb)
542 {
543 PVBUS vbus = (PVBUS)vbus_ext->vbus;
544 PVDEV vd;
545 PCOMMAND pCmd;
546 POS_CMDEXT ext;
547 HPT_U8 *cdb;
548
549 if (ccb->ccb_h.flags & CAM_CDB_POINTER)
550 cdb = ccb->csio.cdb_io.cdb_ptr;
551 else
552 cdb = ccb->csio.cdb_io.cdb_bytes;
553
554 KdPrint(("hpt_scsi_io: ccb %x id %d lun %d cdb %x-%x-%x",
555 ccb,
556 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
557 *(HPT_U32 *)&cdb[0], *(HPT_U32 *)&cdb[4], *(HPT_U32 *)&cdb[8]
558 ));
559
560 /* ccb->ccb_h.path_id is not our bus id - don't check it */
561 if (ccb->ccb_h.target_lun != 0 ||
562 ccb->ccb_h.target_id >= osm_max_targets ||
563 (ccb->ccb_h.flags & CAM_CDB_PHYS))
564 {
565 ccb->ccb_h.status = CAM_TID_INVALID;
566 xpt_done(ccb);
567 return;
568 }
569
570 vd = ldm_find_target(vbus, ccb->ccb_h.target_id);
571
572 if (!vd) {
573 ccb->ccb_h.status = CAM_TID_INVALID;
574 xpt_done(ccb);
575 return;
576 }
577
578 switch (cdb[0]) {
579 case TEST_UNIT_READY:
580 case START_STOP_UNIT:
581 case SYNCHRONIZE_CACHE:
582 ccb->ccb_h.status = CAM_REQ_CMP;
583 break;
584
585 case INQUIRY:
586 {
587 PINQUIRYDATA inquiryData;
588 memset(ccb->csio.data_ptr, 0, ccb->csio.dxfer_len);
589 inquiryData = (PINQUIRYDATA)ccb->csio.data_ptr;
590
591 inquiryData->AdditionalLength = 31;
592 inquiryData->CommandQueue = 1;
593 memcpy(&inquiryData->VendorId, "HPT ", 8);
594 memcpy(&inquiryData->ProductId, "DISK 0_0 ", 16);
595
596 if (vd->target_id / 10) {
597 inquiryData->ProductId[7] = (vd->target_id % 100) / 10 + '';
598 inquiryData->ProductId[8] = (vd->target_id % 100) % 10 + '';
599 }
600 else
601 inquiryData->ProductId[7] = (vd->target_id % 100) % 10 + '';
602
603 memcpy(&inquiryData->ProductRevisionLevel, "4.00", 4);
604
605 ccb->ccb_h.status = CAM_REQ_CMP;
606 }
607 break;
608
609 case READ_CAPACITY:
610 {
611 HPT_U8 *rbuf = ccb->csio.data_ptr;
612 HPT_U32 cap;
613
614 if (vd->capacity>0xfffffffful)
615 cap = 0xfffffffful;
616 else
617 cap = vd->capacity - 1;
618
619 rbuf[0] = (HPT_U8)(cap>>24);
620 rbuf[1] = (HPT_U8)(cap>>16);
621 rbuf[2] = (HPT_U8)(cap>>8);
622 rbuf[3] = (HPT_U8)cap;
623 rbuf[4] = 0;
624 rbuf[5] = 0;
625 rbuf[6] = 2;
626 rbuf[7] = 0;
627
628 ccb->ccb_h.status = CAM_REQ_CMP;
629 break;
630 }
631
632 case SERVICE_ACTION_IN:
633 {
634 HPT_U8 *rbuf = ccb->csio.data_ptr;
635 HPT_U64 cap = vd->capacity - 1;
636
637 rbuf[0] = (HPT_U8)(cap>>56);
638 rbuf[1] = (HPT_U8)(cap>>48);
639 rbuf[2] = (HPT_U8)(cap>>40);
640 rbuf[3] = (HPT_U8)(cap>>32);
641 rbuf[4] = (HPT_U8)(cap>>24);
642 rbuf[5] = (HPT_U8)(cap>>16);
643 rbuf[6] = (HPT_U8)(cap>>8);
644 rbuf[7] = (HPT_U8)cap;
645 rbuf[8] = 0;
646 rbuf[9] = 0;
647 rbuf[10] = 2;
648 rbuf[11] = 0;
649
650 ccb->ccb_h.status = CAM_REQ_CMP;
651 break;
652 }
653
654 case READ_6:
655 case READ_10:
656 case READ_16:
657 case WRITE_6:
658 case WRITE_10:
659 case WRITE_16:
660 case 0x13:
661 case 0x2f:
662 case 0x8f: /* VERIFY_16 */
663 {
664 pCmd = ldm_alloc_cmds(vbus, vd->cmds_per_request);
665 if(!pCmd){
666 KdPrint(("Failed to allocate command!"));
667 ccb->ccb_h.status = CAM_BUSY;
668 break;
669 }
670
671 switch (cdb[0]) {
672 case READ_6:
673 case WRITE_6:
674 case 0x13:
675 pCmd->uCmd.Ide.Lba = ((HPT_U32)cdb[1] << 16) | ((HPT_U32)cdb[2] << 8) | (HPT_U32)cdb[3];
676 pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[4];
677 break;
678 case READ_16:
679 case WRITE_16:
680 case 0x8f: /* VERIFY_16 */
681 {
682 HPT_U64 block =
683 ((HPT_U64)cdb[2]<<56) |
684 ((HPT_U64)cdb[3]<<48) |
685 ((HPT_U64)cdb[4]<<40) |
686 ((HPT_U64)cdb[5]<<32) |
687 ((HPT_U64)cdb[6]<<24) |
688 ((HPT_U64)cdb[7]<<16) |
689 ((HPT_U64)cdb[8]<<8) |
690 ((HPT_U64)cdb[9]);
691 pCmd->uCmd.Ide.Lba = block;
692 pCmd->uCmd.Ide.nSectors = (HPT_U16)cdb[13] | ((HPT_U16)cdb[12]<<8);
693 break;
694 }
695
696 default:
697 pCmd->uCmd.Ide.Lba = (HPT_U32)cdb[5] | ((HPT_U32)cdb[4] << 8) | ((HPT_U32)cdb[3] << 16) | ((HPT_U32)cdb[2] << 24);
698 pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[8] | ((HPT_U16)cdb[7]<<8);
699 break;
700 }
701
702 switch (cdb[0]) {
703 case READ_6:
704 case READ_10:
705 case READ_16:
706 pCmd->flags.data_in = 1;
707 break;
708 case WRITE_6:
709 case WRITE_10:
710 case WRITE_16:
711 pCmd->flags.data_out = 1;
712 break;
713 }
714 pCmd->priv = ext = cmdext_get(vbus_ext);
715 HPT_ASSERT(ext);
716 ext->ccb = ccb;
717 pCmd->target = vd;
718 pCmd->done = os_cmddone;
719 pCmd->buildsgl = os_buildsgl;
720
721 pCmd->psg = ext->psg;
722
723 if (ccb->ccb_h.flags & CAM_SCATTER_VALID) {
724 int idx;
725 bus_dma_segment_t *sgList = (bus_dma_segment_t *)ccb->csio.data_ptr;
726
727 if (ccb->ccb_h.flags & CAM_SG_LIST_PHYS)
728 pCmd->flags.physical_sg = 1;
729
730 for (idx = 0; idx < ccb->csio.sglist_cnt; idx++) {
731 pCmd->psg[idx].addr.bus = sgList[idx].ds_addr;
732 pCmd->psg[idx].size = sgList[idx].ds_len;
733 pCmd->psg[idx].eot = (idx==ccb->csio.sglist_cnt-1)? 1 : 0;
734 }
735
736 ccb->ccb_h.timeout_ch = timeout(hpt_timeout, pCmd, HPT_OSM_TIMEOUT);
737 ldm_queue_cmd(pCmd);
738 }
739 else {
740 int error;
741 pCmd->flags.physical_sg = 1;
742 error = bus_dmamap_load(vbus_ext->io_dmat,
743 ext->dma_map,
744 ccb->csio.data_ptr, ccb->csio.dxfer_len,
745 hpt_io_dmamap_callback, pCmd,
746 BUS_DMA_WAITOK
747 );
748 KdPrint(("bus_dmamap_load return %d", error));
749 if (error && error!=EINPROGRESS) {
750 os_printk("bus_dmamap_load error %d", error);
751 cmdext_put(ext);
752 ldm_free_cmds(pCmd);
753 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
754 xpt_done(ccb);
755 }
756 }
757 return;
758 }
759
760 default:
761 ccb->ccb_h.status = CAM_REQ_INVALID;
762 break;
763 }
764
765 xpt_done(ccb);
766 return;
767 }
768
769 static void hpt_action(struct cam_sim *sim, union ccb *ccb)
770 {
771 PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim);
772
773 KdPrint(("hpt_action(fn=%d, id=%d)", ccb->ccb_h.func_code, ccb->ccb_h.target_id));
774
775 switch (ccb->ccb_h.func_code) {
776
777 case XPT_SCSI_IO:
778 hpt_lock_vbus(vbus_ext);
779 hpt_scsi_io(vbus_ext, ccb);
780 hpt_unlock_vbus(vbus_ext);
781 return;
782
783 case XPT_RESET_BUS:
784 hpt_lock_vbus(vbus_ext);
785 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
786 hpt_unlock_vbus(vbus_ext);
787 break;
788
789 case XPT_GET_TRAN_SETTINGS:
790 case XPT_SET_TRAN_SETTINGS:
791 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
792 break;
793
794 case XPT_CALC_GEOMETRY:
795 ccb->ccg.heads = 255;
796 ccb->ccg.secs_per_track = 63;
797 ccb->ccg.cylinders = ccb->ccg.volume_size / (ccb->ccg.heads * ccb->ccg.secs_per_track);
798 ccb->ccb_h.status = CAM_REQ_CMP;
799 break;
800
801 case XPT_PATH_INQ:
802 {
803 struct ccb_pathinq *cpi = &ccb->cpi;
804
805 cpi->version_num = 1;
806 cpi->hba_inquiry = PI_SDTR_ABLE;
807 cpi->target_sprt = 0;
808 cpi->hba_misc = PIM_NOBUSRESET;
809 cpi->hba_eng_cnt = 0;
810 cpi->max_target = osm_max_targets;
811 cpi->max_lun = 0;
812 cpi->unit_number = cam_sim_unit(sim);
813 cpi->bus_id = cam_sim_bus(sim);
814 cpi->initiator_id = osm_max_targets;
815 cpi->base_transfer_speed = 3300;
816
817 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
818 strncpy(cpi->hba_vid, "HPT ", HBA_IDLEN);
819 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
820 #if (__FreeBSD_version >= 800000)
821 cpi->transport = XPORT_SPI;
822 cpi->transport_version = 2;
823 cpi->protocol = PROTO_SCSI;
824 cpi->protocol_version = SCSI_REV_2;
825 #endif
826 cpi->ccb_h.status = CAM_REQ_CMP;
827 break;
828 }
829
830 default:
831 ccb->ccb_h.status = CAM_REQ_INVALID;
832 break;
833 }
834
835 xpt_done(ccb);
836 return;
837 }
838
839 static void hpt_pci_intr(void *arg)
840 {
841 PVBUS_EXT vbus_ext = (PVBUS_EXT)arg;
842 hpt_lock_vbus(vbus_ext);
843 ldm_intr((PVBUS)vbus_ext->vbus);
844 hpt_unlock_vbus(vbus_ext);
845 }
846
847 static void hpt_poll(struct cam_sim *sim)
848 {
849 hpt_pci_intr(cam_sim_softc(sim));
850 }
851
852 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg)
853 {
854 KdPrint(("hpt_async"));
855 }
856
857 static int hpt_shutdown(device_t dev)
858 {
859 KdPrint(("hpt_shutdown(dev=%p)", dev));
860 return 0;
861 }
862
863 static int hpt_detach(device_t dev)
864 {
865 /* we don't allow the driver to be unloaded. */
866 return EBUSY;
867 }
868
869 static void hpt_ioctl_done(struct _IOCTL_ARG *arg)
870 {
871 arg->ioctl_cmnd = 0;
872 wakeup(arg);
873 }
874
875 static void __hpt_do_ioctl(PVBUS_EXT vbus_ext, IOCTL_ARG *ioctl_args)
876 {
877 ioctl_args->result = -1;
878 ioctl_args->done = hpt_ioctl_done;
879 ioctl_args->ioctl_cmnd = (void *)1;
880
881 hpt_lock_vbus(vbus_ext);
882 ldm_ioctl((PVBUS)vbus_ext->vbus, ioctl_args);
883
884 while (ioctl_args->ioctl_cmnd) {
885 if (hpt_sleep(vbus_ext, ioctl_args, PPAUSE, "hptctl", HPT_OSM_TIMEOUT)==0)
886 break;
887 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
888 __hpt_do_tasks(vbus_ext);
889 }
890
891 /* KdPrint(("ioctl %x result %d", ioctl_args->dwIoControlCode, ioctl_args->result)); */
892
893 hpt_unlock_vbus(vbus_ext);
894 }
895
896 static void hpt_do_ioctl(IOCTL_ARG *ioctl_args)
897 {
898 PVBUS vbus;
899 PVBUS_EXT vbus_ext;
900
901 ldm_for_each_vbus(vbus, vbus_ext) {
902 __hpt_do_ioctl(vbus_ext, ioctl_args);
903 if (ioctl_args->result!=HPT_IOCTL_RESULT_WRONG_VBUS)
904 return;
905 }
906 }
907
908 #define HPT_DO_IOCTL(code, inbuf, insize, outbuf, outsize) ({\
909 IOCTL_ARG arg;\
910 arg.dwIoControlCode = code;\
911 arg.lpInBuffer = inbuf;\
912 arg.lpOutBuffer = outbuf;\
913 arg.nInBufferSize = insize;\
914 arg.nOutBufferSize = outsize;\
915 arg.lpBytesReturned = 0;\
916 hpt_do_ioctl(&arg);\
917 arg.result;\
918 })
919
920 #define DEVICEID_VALID(id) ((id) && ((HPT_U32)(id)!=0xffffffff))
921
922 static int hpt_get_logical_devices(DEVICEID * pIds, int nMaxCount)
923 {
924 int i;
925 HPT_U32 count = nMaxCount-1;
926
927 if (HPT_DO_IOCTL(HPT_IOCTL_GET_LOGICAL_DEVICES,
928 &count, sizeof(HPT_U32), pIds, sizeof(DEVICEID)*nMaxCount))
929 return -1;
930
931 nMaxCount = (int)pIds[0];
932 for (i=0; i<nMaxCount; i++) pIds[i] = pIds[i+1];
933 return nMaxCount;
934 }
935
936 static int hpt_get_device_info_v3(DEVICEID id, PLOGICAL_DEVICE_INFO_V3 pInfo)
937 {
938 return HPT_DO_IOCTL(HPT_IOCTL_GET_DEVICE_INFO_V3,
939 &id, sizeof(DEVICEID), pInfo, sizeof(LOGICAL_DEVICE_INFO_V3));
940 }
941
942 /* not belong to this file logically, but we want to use ioctl interface */
943 static int __hpt_stop_tasks(PVBUS_EXT vbus_ext, DEVICEID id)
944 {
945 LOGICAL_DEVICE_INFO_V3 devinfo;
946 int i, result;
947 DEVICEID param[2] = { id, 0 };
948
949 if (hpt_get_device_info_v3(id, &devinfo))
950 return -1;
951
952 if (devinfo.Type!=LDT_ARRAY)
953 return -1;
954
955 if (devinfo.u.array.Flags & ARRAY_FLAG_REBUILDING)
956 param[1] = AS_REBUILD_ABORT;
957 else if (devinfo.u.array.Flags & ARRAY_FLAG_VERIFYING)
958 param[1] = AS_VERIFY_ABORT;
959 else if (devinfo.u.array.Flags & ARRAY_FLAG_INITIALIZING)
960 param[1] = AS_INITIALIZE_ABORT;
961 else if (devinfo.u.array.Flags & ARRAY_FLAG_TRANSFORMING)
962 param[1] = AS_TRANSFORM_ABORT;
963 else
964 return -1;
965
966 KdPrint(("SET_ARRAY_STATE(%x, %d)", param[0], param[1]));
967 result = HPT_DO_IOCTL(HPT_IOCTL_SET_ARRAY_STATE,
968 param, sizeof(param), 0, 0);
969
970 for (i=0; i<devinfo.u.array.nDisk; i++)
971 if (DEVICEID_VALID(devinfo.u.array.Members[i]))
972 __hpt_stop_tasks(vbus_ext, devinfo.u.array.Members[i]);
973
974 return result;
975 }
976
977 static void hpt_stop_tasks(PVBUS_EXT vbus_ext)
978 {
979 DEVICEID ids[32];
980 int i, count;
981
982 count = hpt_get_logical_devices((DEVICEID *)&ids, sizeof(ids)/sizeof(ids[0]));
983
984 for (i=0; i<count; i++)
985 __hpt_stop_tasks(vbus_ext, ids[i]);
986 }
987
988 static d_open_t hpt_open;
989 static d_close_t hpt_close;
990 static d_ioctl_t hpt_ioctl;
991 static void hpt_bus_scan_cb(struct cam_periph *periph, union ccb *ccb);
992 static int hpt_rescan_bus(void);
993
994 static struct cdevsw hpt_cdevsw = {
995 .d_open = hpt_open,
996 .d_close = hpt_close,
997 .d_ioctl = hpt_ioctl,
998 .d_name = driver_name,
999 #if __FreeBSD_version>=503000
1000 .d_version = D_VERSION,
1001 #endif
1002 #if (__FreeBSD_version>=503000 && __FreeBSD_version<600034)
1003 .d_flags = D_NEEDGIANT,
1004 #endif
1005 #if __FreeBSD_version<600034
1006 #if __FreeBSD_version>501000
1007 .d_maj = MAJOR_AUTO,
1008 #else
1009 .d_maj = HPT_DEV_MAJOR,
1010 #endif
1011 #endif
1012 };
1013
1014 static struct intr_config_hook hpt_ich;
1015
1016 /*
1017 * hpt_final_init will be called after all hpt_attach.
1018 */
1019 static void hpt_final_init(void *dummy)
1020 {
1021 int i;
1022 PVBUS_EXT vbus_ext;
1023 PVBUS vbus;
1024 PHBA hba;
1025
1026 /* Clear the config hook */
1027 config_intrhook_disestablish(&hpt_ich);
1028
1029 /* allocate memory */
1030 i = 0;
1031 ldm_for_each_vbus(vbus, vbus_ext) {
1032 if (hpt_alloc_mem(vbus_ext)) {
1033 os_printk("out of memory");
1034 return;
1035 }
1036 i++;
1037 }
1038
1039 if (!i) {
1040 if (bootverbose)
1041 os_printk("no controller detected.");
1042 return;
1043 }
1044
1045 /* initializing hardware */
1046 ldm_for_each_vbus(vbus, vbus_ext) {
1047 /* make timer available here */
1048 callout_handle_init(&vbus_ext->timer);
1049 if (hpt_init_vbus(vbus_ext)) {
1050 os_printk("fail to initialize hardware");
1051 break; /* FIXME */
1052 }
1053 }
1054
1055 /* register CAM interface */
1056 ldm_for_each_vbus(vbus, vbus_ext) {
1057 struct cam_devq *devq;
1058 struct ccb_setasync ccb;
1059
1060 #if (__FreeBSD_version >= 500000)
1061 mtx_init(&vbus_ext->lock, "hptsleeplock", NULL, MTX_DEF);
1062 #endif
1063 if (bus_dma_tag_create(NULL,/* parent */
1064 4, /* alignment */
1065 BUS_SPACE_MAXADDR_32BIT+1, /* boundary */
1066 BUS_SPACE_MAXADDR, /* lowaddr */
1067 BUS_SPACE_MAXADDR, /* highaddr */
1068 NULL, NULL, /* filter, filterarg */
1069 PAGE_SIZE * (os_max_sg_descriptors-1), /* maxsize */
1070 os_max_sg_descriptors, /* nsegments */
1071 0x10000, /* maxsegsize */
1072 BUS_DMA_WAITOK, /* flags */
1073 #if __FreeBSD_version>502000
1074 busdma_lock_mutex, /* lockfunc */
1075 &vbus_ext->lock, /* lockfuncarg */
1076 #endif
1077 &vbus_ext->io_dmat /* tag */))
1078 {
1079 return ;
1080 }
1081
1082 for (i=0; i<os_max_queue_comm; i++) {
1083 POS_CMDEXT ext = (POS_CMDEXT)malloc(sizeof(OS_CMDEXT), M_DEVBUF, M_WAITOK);
1084 if (!ext) {
1085 os_printk("Can't alloc cmdext(%d)", i);
1086 return ;
1087 }
1088 ext->vbus_ext = vbus_ext;
1089 ext->next = vbus_ext->cmdext_list;
1090 vbus_ext->cmdext_list = ext;
1091
1092 if (bus_dmamap_create(vbus_ext->io_dmat, 0, &ext->dma_map)) {
1093 os_printk("Can't create dma map(%d)", i);
1094 return ;
1095 }
1096 }
1097
1098 if ((devq = cam_simq_alloc(os_max_queue_comm)) == NULL) {
1099 os_printk("cam_simq_alloc failed");
1100 return ;
1101 }
1102
1103 #if __FreeBSD_version > 700025
1104 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name,
1105 vbus_ext, 0, &Giant, os_max_queue_comm, /*tagged*/8, devq);
1106 #else
1107 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name,
1108 vbus_ext, 0, os_max_queue_comm, /*tagged*/8, devq);
1109 #endif
1110
1111 if (!vbus_ext->sim) {
1112 os_printk("cam_sim_alloc failed");
1113 cam_simq_free(devq);
1114 return ;
1115 }
1116
1117 #if __FreeBSD_version > 700044
1118 if (xpt_bus_register(vbus_ext->sim, NULL, 0) != CAM_SUCCESS) {
1119 #else
1120 if (xpt_bus_register(vbus_ext->sim, 0) != CAM_SUCCESS) {
1121 #endif
1122 os_printk("xpt_bus_register failed");
1123 cam_sim_free(vbus_ext->sim, /*free devq*/ TRUE);
1124 vbus_ext->sim = NULL;
1125 return ;
1126 }
1127
1128 if (xpt_create_path(&vbus_ext->path, /*periph */ NULL,
1129 cam_sim_path(vbus_ext->sim), CAM_TARGET_WILDCARD,
1130 CAM_LUN_WILDCARD) != CAM_REQ_CMP)
1131 {
1132 os_printk("xpt_create_path failed");
1133 xpt_bus_deregister(cam_sim_path(vbus_ext->sim));
1134 cam_sim_free(vbus_ext->sim, /*free_devq*/TRUE);
1135 vbus_ext->sim = NULL;
1136 return ;
1137 }
1138
1139 xpt_setup_ccb(&ccb.ccb_h, vbus_ext->path, /*priority*/5);
1140 ccb.ccb_h.func_code = XPT_SASYNC_CB;
1141 ccb.event_enable = AC_LOST_DEVICE;
1142 ccb.callback = hpt_async;
1143 ccb.callback_arg = vbus_ext;
1144 xpt_action((union ccb *)&ccb);
1145
1146 for (hba = vbus_ext->hba_list; hba; hba = hba->next) {
1147 int rid = 0;
1148 if ((hba->irq_res = bus_alloc_resource(hba->pcidev,
1149 SYS_RES_IRQ, &rid, 0, ~0ul, 1, RF_SHAREABLE | RF_ACTIVE)) == NULL)
1150 {
1151 os_printk("can't allocate interrupt");
1152 return ;
1153 }
1154
1155 if (bus_setup_intr(hba->pcidev, hba->irq_res, INTR_TYPE_CAM,
1156 #if __FreeBSD_version > 700025
1157 NULL, hpt_pci_intr, vbus_ext, &hba->irq_handle))
1158 #else
1159 hpt_pci_intr, vbus_ext, &hba->irq_handle))
1160 #endif
1161 {
1162 os_printk("can't set up interrupt");
1163 return ;
1164 }
1165 hba->ldm_adapter.him->intr_control(hba->ldm_adapter.him_handle, HPT_TRUE);
1166
1167 }
1168
1169 vbus_ext->shutdown_eh = EVENTHANDLER_REGISTER(shutdown_final,
1170 hpt_shutdown_vbus, vbus_ext, SHUTDOWN_PRI_DEFAULT);
1171 if (!vbus_ext->shutdown_eh)
1172 os_printk("Shutdown event registration failed");
1173 }
1174
1175 ldm_for_each_vbus(vbus, vbus_ext) {
1176 TASK_INIT(&vbus_ext->worker, 0, (task_fn_t *)hpt_do_tasks, vbus_ext);
1177 if (vbus_ext->tasks)
1178 TASK_ENQUEUE(&vbus_ext->worker);
1179 }
1180
1181 make_dev(&hpt_cdevsw, DRIVER_MINOR, UID_ROOT, GID_OPERATOR,
1182 S_IRUSR | S_IWUSR, "%s", driver_name);
1183 }
1184
1185 #if defined(KLD_MODULE) && (__FreeBSD_version >= 503000)
1186
1187 typedef struct driverlink *driverlink_t;
1188 struct driverlink {
1189 kobj_class_t driver;
1190 TAILQ_ENTRY(driverlink) link; /* list of drivers in devclass */
1191 };
1192
1193 typedef TAILQ_HEAD(driver_list, driverlink) driver_list_t;
1194
1195 struct devclass {
1196 TAILQ_ENTRY(devclass) link;
1197 devclass_t parent; /* parent in devclass hierarchy */
1198 driver_list_t drivers; /* bus devclasses store drivers for bus */
1199 char *name;
1200 device_t *devices; /* array of devices indexed by unit */
1201 int maxunit; /* size of devices array */
1202 };
1203
1204 static void override_kernel_driver(void)
1205 {
1206 driverlink_t dl, dlfirst;
1207 driver_t *tmpdriver;
1208 devclass_t dc = devclass_find("pci");
1209
1210 if (dc){
1211 dlfirst = TAILQ_FIRST(&dc->drivers);
1212 for (dl = dlfirst; dl; dl = TAILQ_NEXT(dl, link)) {
1213 if(strcmp(dl->driver->name, driver_name) == 0) {
1214 tmpdriver=dl->driver;
1215 dl->driver=dlfirst->driver;
1216 dlfirst->driver=tmpdriver;
1217 break;
1218 }
1219 }
1220 }
1221 }
1222
1223 #else
1224 #define override_kernel_driver()
1225 #endif
1226
1227 static void hpt_init(void *dummy)
1228 {
1229 if (bootverbose)
1230 os_printk("%s %s", driver_name_long, driver_ver);
1231
1232 override_kernel_driver();
1233 init_config();
1234
1235 hpt_ich.ich_func = hpt_final_init;
1236 hpt_ich.ich_arg = NULL;
1237 if (config_intrhook_establish(&hpt_ich) != 0) {
1238 printf("%s: cannot establish configuration hook\n",
1239 driver_name_long);
1240 }
1241
1242 }
1243 SYSINIT(hptinit, SI_SUB_CONFIGURE, SI_ORDER_FIRST, hpt_init, NULL);
1244
1245 /*
1246 * CAM driver interface
1247 */
1248 static device_method_t driver_methods[] = {
1249 /* Device interface */
1250 DEVMETHOD(device_probe, hpt_probe),
1251 DEVMETHOD(device_attach, hpt_attach),
1252 DEVMETHOD(device_detach, hpt_detach),
1253 DEVMETHOD(device_shutdown, hpt_shutdown),
1254 { 0, 0 }
1255 };
1256
1257 static driver_t hpt_pci_driver = {
1258 driver_name,
1259 driver_methods,
1260 sizeof(HBA)
1261 };
1262
1263 static devclass_t hpt_devclass;
1264
1265 #ifndef TARGETNAME
1266 #error "no TARGETNAME found"
1267 #endif
1268
1269 /* use this to make TARGETNAME be expanded */
1270 #define __DRIVER_MODULE(p1, p2, p3, p4, p5, p6) DRIVER_MODULE(p1, p2, p3, p4, p5, p6)
1271 #define __MODULE_VERSION(p1, p2) MODULE_VERSION(p1, p2)
1272 #define __MODULE_DEPEND(p1, p2, p3, p4, p5) MODULE_DEPEND(p1, p2, p3, p4, p5)
1273 __DRIVER_MODULE(TARGETNAME, pci, hpt_pci_driver, hpt_devclass, 0, 0);
1274 __MODULE_VERSION(TARGETNAME, 1);
1275 __MODULE_DEPEND(TARGETNAME, cam, 1, 1, 1);
1276
1277 #if __FreeBSD_version>503000
1278 typedef struct cdev * ioctl_dev_t;
1279 #else
1280 typedef dev_t ioctl_dev_t;
1281 #endif
1282
1283 #if __FreeBSD_version >= 500000
1284 typedef struct thread * ioctl_thread_t;
1285 #else
1286 typedef struct proc * ioctl_thread_t;
1287 #endif
1288
1289 static int hpt_open(ioctl_dev_t dev, int flags, int devtype, ioctl_thread_t td)
1290 {
1291 return 0;
1292 }
1293
1294 static int hpt_close(ioctl_dev_t dev, int flags, int devtype, ioctl_thread_t td)
1295 {
1296 return 0;
1297 }
1298
1299 static int hpt_ioctl(ioctl_dev_t dev, u_long cmd, caddr_t data, int fflag, ioctl_thread_t td)
1300 {
1301 PHPT_IOCTL_PARAM piop=(PHPT_IOCTL_PARAM)data;
1302 IOCTL_ARG ioctl_args;
1303 HPT_U32 bytesReturned;
1304
1305 switch (cmd){
1306 case HPT_DO_IOCONTROL:
1307 {
1308 if (piop->Magic == HPT_IOCTL_MAGIC || piop->Magic == HPT_IOCTL_MAGIC32) {
1309 KdPrint(("ioctl=%x in=%p len=%d out=%p len=%d\n",
1310 piop->dwIoControlCode,
1311 piop->lpInBuffer,
1312 piop->nInBufferSize,
1313 piop->lpOutBuffer,
1314 piop->nOutBufferSize));
1315
1316 memset(&ioctl_args, 0, sizeof(ioctl_args));
1317
1318 ioctl_args.dwIoControlCode = piop->dwIoControlCode;
1319 ioctl_args.nInBufferSize = piop->nInBufferSize;
1320 ioctl_args.nOutBufferSize = piop->nOutBufferSize;
1321 ioctl_args.lpBytesReturned = &bytesReturned;
1322
1323 if (ioctl_args.nInBufferSize) {
1324 ioctl_args.lpInBuffer = malloc(ioctl_args.nInBufferSize, M_DEVBUF, M_WAITOK);
1325 if (!ioctl_args.lpInBuffer)
1326 goto invalid;
1327 if (copyin((void*)piop->lpInBuffer,
1328 ioctl_args.lpInBuffer, piop->nInBufferSize))
1329 goto invalid;
1330 }
1331
1332 if (ioctl_args.nOutBufferSize) {
1333 ioctl_args.lpOutBuffer = malloc(ioctl_args.nOutBufferSize, M_DEVBUF, M_WAITOK);
1334 if (!ioctl_args.lpOutBuffer)
1335 goto invalid;
1336 }
1337
1338 #if (__FreeBSD_version >= 500000)
1339 mtx_lock(&Giant);
1340 #endif
1341
1342 hpt_do_ioctl(&ioctl_args);
1343
1344 #if (__FreeBSD_version >= 500000)
1345 mtx_unlock(&Giant);
1346 #endif
1347
1348 if (ioctl_args.result==HPT_IOCTL_RESULT_OK) {
1349 if (piop->nOutBufferSize) {
1350 if (copyout(ioctl_args.lpOutBuffer,
1351 (void*)piop->lpOutBuffer, piop->nOutBufferSize))
1352 goto invalid;
1353 }
1354 if (piop->lpBytesReturned) {
1355 if (copyout(&bytesReturned,
1356 (void*)piop->lpBytesReturned, sizeof(HPT_U32)))
1357 goto invalid;
1358 }
1359 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF);
1360 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF);
1361 return 0;
1362 }
1363 invalid:
1364 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF);
1365 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF);
1366 return EFAULT;
1367 }
1368 return EFAULT;
1369 }
1370
1371 case HPT_SCAN_BUS:
1372 {
1373 return hpt_rescan_bus();
1374 }
1375 default:
1376 KdPrint(("invalid command!"));
1377 return EFAULT;
1378 }
1379
1380 }
1381
1382 static int hpt_rescan_bus(void)
1383 {
1384 struct cam_path *path;
1385 union ccb *ccb;
1386 PVBUS vbus;
1387 PVBUS_EXT vbus_ext;
1388
1389 #if (__FreeBSD_version >= 500000)
1390 mtx_lock(&Giant);
1391 #endif
1392
1393 ldm_for_each_vbus(vbus, vbus_ext) {
1394 if (xpt_create_path(&path, xpt_periph, cam_sim_path(vbus_ext->sim),
1395 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP)
1396 return(EIO);
1397 if ((ccb = malloc(sizeof(union ccb), M_TEMP, M_WAITOK)) == NULL)
1398 return(ENOMEM);
1399 bzero(ccb, sizeof(union ccb));
1400 xpt_setup_ccb(&ccb->ccb_h, path, 5);
1401 ccb->ccb_h.func_code = XPT_SCAN_BUS;
1402 ccb->ccb_h.cbfcnp = hpt_bus_scan_cb;
1403 ccb->crcn.flags = CAM_FLAG_NONE;
1404 xpt_action(ccb);
1405 }
1406
1407 #if (__FreeBSD_version >= 500000)
1408 mtx_unlock(&Giant);
1409 #endif
1410
1411 return(0);
1412 }
1413
1414 static void hpt_bus_scan_cb(struct cam_periph *periph, union ccb *ccb)
1415 {
1416 if (ccb->ccb_h.status != CAM_REQ_CMP)
1417 KdPrint(("cam_scan_callback: failure status = %x",ccb->ccb_h.status));
1418 else
1419 KdPrint(("Scan bus successfully!"));
1420
1421 xpt_free_path(ccb->ccb_h.path);
1422 free(ccb, M_TEMP);
1423 return;
1424 }
Cache object: 6d56ac187cae6cbb2275022febb5b576
|