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kernel/hpt27xx: Enable some code that should work for us (fixes -Wundef).
[dragonfly.git] / sys / dev / raid / hpt27xx / hpt27xx_osm_bsd.c
blob669685bd2a912a299fd34464133f27bd8b660f8c
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: src/sys/dev/hpt27xx/osm_bsd.c,v 1.1 2011/12/28 23:26:58 delphij Exp $
27 */
28
29 #include <dev/raid/hpt27xx/hpt27xx_config.h>
30
31 #include <dev/raid/hpt27xx/os_bsd.h>
32 #include <dev/raid/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 pci_enable_busmaster(dev);
75
76 pci_id.vid = pci_get_vendor(dev);
77 pci_id.did = pci_get_device(dev);
78 pci_id.rev = pci_get_revid(dev);
79 pci_id.subsys = (HPT_U32)(pci_get_subdevice(dev)) << 16 | pci_get_subvendor(dev);
80
81 size = him->get_adapter_size(&pci_id);
82 hba->ldm_adapter.him_handle = kmalloc(size, M_DEVBUF, M_WAITOK);
83 if (!hba->ldm_adapter.him_handle)
84 return ENXIO;
85
86 hba->pcidev = dev;
87 hba->pciaddr.tree = 0;
88 hba->pciaddr.bus = pci_get_bus(dev);
89 hba->pciaddr.device = pci_get_slot(dev);
90 hba->pciaddr.function = pci_get_function(dev);
91
92 if (!him->create_adapter(&pci_id, hba->pciaddr, hba->ldm_adapter.him_handle, hba)) {
93 kfree(hba->ldm_adapter.him_handle, M_DEVBUF);
94 return -1;
95 }
96
97 os_printk("adapter at PCI %d:%d:%d, IRQ %d",
98 hba->pciaddr.bus, hba->pciaddr.device, hba->pciaddr.function, pci_get_irq(dev));
99
100 if (!ldm_register_adapter(&hba->ldm_adapter)) {
101 size = ldm_get_vbus_size();
102 vbus_ext = kmalloc(sizeof(VBUS_EXT) + size, M_DEVBUF, M_WAITOK);
103 memset(vbus_ext, 0, sizeof(VBUS_EXT));
104 vbus_ext->ext_type = EXT_TYPE_VBUS;
105 ldm_create_vbus((PVBUS)vbus_ext->vbus, vbus_ext);
106 ldm_register_adapter(&hba->ldm_adapter);
107 }
108
109 ldm_for_each_vbus(vbus, vbus_ext) {
110 if (hba->ldm_adapter.vbus==vbus) {
111 hba->vbus_ext = vbus_ext;
112 hba->next = vbus_ext->hba_list;
113 vbus_ext->hba_list = hba;
114 break;
115 }
116 }
117 return 0;
118 }
119
120 /*
121 * Maybe we'd better to use the bus_dmamem_alloc to alloc DMA memory,
122 * but there are some problems currently (alignment, etc).
123 */
124 static __inline void *__get_free_pages(int order)
125 {
126 /* don't use low memory - other devices may get starved */
127 return contigmalloc(PAGE_SIZE<<order,
128 M_DEVBUF, M_WAITOK, BUS_SPACE_MAXADDR_24BIT, BUS_SPACE_MAXADDR, PAGE_SIZE, 0);
129 }
130
131 static __inline void free_pages(void *p, int order)
132 {
133 contigfree(p, PAGE_SIZE<<order, M_DEVBUF);
134 }
135
136 static int hpt_alloc_mem(PVBUS_EXT vbus_ext)
137 {
138 PHBA hba;
139 struct freelist *f;
140 HPT_UINT i;
141 void **p;
142
143 for (hba = vbus_ext->hba_list; hba; hba = hba->next)
144 hba->ldm_adapter.him->get_meminfo(hba->ldm_adapter.him_handle);
145
146 ldm_get_mem_info((PVBUS)vbus_ext->vbus, 0);
147
148 for (f=vbus_ext->freelist_head; f; f=f->next) {
149 KdPrint(("%s: %d*%d=%d bytes",
150 f->tag, f->count, f->size, f->count*f->size));
151 for (i=0; i<f->count; i++) {
152 p = (void **)kmalloc(f->size, M_DEVBUF, M_WAITOK);
153 if (!p) return (ENXIO);
154 *p = f->head;
155 f->head = p;
156 }
157 }
158
159 for (f=vbus_ext->freelist_dma_head; f; f=f->next) {
160 int order, size, j;
161
162 HPT_ASSERT((f->size & (f->alignment-1))==0);
163
164 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) ;
165
166 KdPrint(("%s: %d*%d=%d bytes, order %d",
167 f->tag, f->count, f->size, f->count*f->size, order));
168 HPT_ASSERT(f->alignment<=PAGE_SIZE);
169
170 for (i=0; i<f->count;) {
171 p = (void **)__get_free_pages(order);
172 if (!p) return -1;
173 for (j = size/f->size; j && i<f->count; i++,j--) {
174 *p = f->head;
175 *(BUS_ADDRESS *)(p+1) = (BUS_ADDRESS)vtophys(p);
176 f->head = p;
177 p = (void **)((unsigned long)p + f->size);
178 }
179 }
180 }
181
182 HPT_ASSERT(PAGE_SIZE==DMAPOOL_PAGE_SIZE);
183
184 for (i=0; i<os_max_cache_pages; i++) {
185 p = (void **)__get_free_pages(0);
186 if (!p) return -1;
187 HPT_ASSERT(((HPT_UPTR)p & (DMAPOOL_PAGE_SIZE-1))==0);
188 dmapool_put_page((PVBUS)vbus_ext->vbus, p, (BUS_ADDRESS)vtophys(p));
189 }
190
191 return 0;
192 }
193
194 static void hpt_free_mem(PVBUS_EXT vbus_ext)
195 {
196 struct freelist *f;
197 void *p;
198 int i;
199 BUS_ADDRESS bus;
200
201 for (f=vbus_ext->freelist_head; f; f=f->next) {
202 #if DBG
203 if (f->count!=f->reserved_count) {
204 KdPrint(("memory leak for freelist %s (%d/%d)", f->tag, f->count, f->reserved_count));
205 }
206 #endif
207 while ((p=freelist_get(f)))
208 kfree(p, M_DEVBUF);
209 }
210
211 for (i=0; i<os_max_cache_pages; i++) {
212 p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus);
213 HPT_ASSERT(p);
214 free_pages(p, 0);
215 }
216
217 for (f=vbus_ext->freelist_dma_head; f; f=f->next) {
218 int order, size;
219 #if DBG
220 if (f->count!=f->reserved_count) {
221 KdPrint(("memory leak for dma freelist %s (%d/%d)", f->tag, f->count, f->reserved_count));
222 }
223 #endif
224 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) ;
225
226 while ((p=freelist_get_dma(f, &bus))) {
227 if (order)
228 free_pages(p, order);
229 else {
230 /* can't free immediately since other blocks in this page may still be in the list */
231 if (((HPT_UPTR)p & (PAGE_SIZE-1))==0)
232 dmapool_put_page((PVBUS)vbus_ext->vbus, p, bus);
233 }
234 }
235 }
236
237 while ((p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus)))
238 free_pages(p, 0);
239 }
240
241 static int hpt_init_vbus(PVBUS_EXT vbus_ext)
242 {
243 PHBA hba;
244
245 for (hba = vbus_ext->hba_list; hba; hba = hba->next)
246 if (!hba->ldm_adapter.him->initialize(hba->ldm_adapter.him_handle)) {
247 KdPrint(("fail to initialize %p", hba));
248 return -1;
249 }
250
251 ldm_initialize_vbus((PVBUS)vbus_ext->vbus, &vbus_ext->hba_list->ldm_adapter);
252 return 0;
253 }
254
255 static void hpt_flush_done(PCOMMAND pCmd)
256 {
257 PVDEV vd = pCmd->target;
258
259 if (mIsArray(vd->type) && vd->u.array.transform && vd!=vd->u.array.transform->target) {
260 vd = vd->u.array.transform->target;
261 HPT_ASSERT(vd);
262 pCmd->target = vd;
263 pCmd->Result = RETURN_PENDING;
264 vdev_queue_cmd(pCmd);
265 return;
266 }
267
268 *(int *)pCmd->priv = 1;
269 wakeup(pCmd);
270 }
271
272 /*
273 * flush a vdev (without retry).
274 */
275 static int hpt_flush_vdev(PVBUS_EXT vbus_ext, PVDEV vd)
276 {
277 PCOMMAND pCmd;
278 int result = 0, done;
279 HPT_UINT count;
280
281 KdPrint(("flusing dev %p", vd));
282
283 hpt_lock_vbus(vbus_ext);
284
285 if (mIsArray(vd->type) && vd->u.array.transform)
286 count = MAX(vd->u.array.transform->source->cmds_per_request,
287 vd->u.array.transform->target->cmds_per_request);
288 else
289 count = vd->cmds_per_request;
290
291 pCmd = ldm_alloc_cmds(vd->vbus, count);
292
293 if (!pCmd) {
294 hpt_unlock_vbus(vbus_ext);
295 return -1;
296 }
297
298 pCmd->type = CMD_TYPE_FLUSH;
299 pCmd->flags.hard_flush = 1;
300 pCmd->target = vd;
301 pCmd->done = hpt_flush_done;
302 done = 0;
303 pCmd->priv = &done;
304
305 ldm_queue_cmd(pCmd);
306
307 if (!done) {
308 while (hpt_sleep(vbus_ext, pCmd, 0, "hptfls", HPT_OSM_TIMEOUT)) {
309 ldm_reset_vbus(vd->vbus);
310 }
311 }
312
313 KdPrint(("flush result %d", pCmd->Result));
314
315 if (pCmd->Result!=RETURN_SUCCESS)
316 result = -1;
317
318 ldm_free_cmds(pCmd);
319
320 hpt_unlock_vbus(vbus_ext);
321
322 return result;
323 }
324
325 static void hpt_stop_tasks(PVBUS_EXT vbus_ext);
326 static void hpt_shutdown_vbus(PVBUS_EXT vbus_ext, int howto)
327 {
328 PVBUS vbus = (PVBUS)vbus_ext->vbus;
329 PHBA hba;
330 int i;
331
332 KdPrint(("hpt_shutdown_vbus"));
333
334 /* stop all ctl tasks and disable the worker taskqueue */
335 hpt_stop_tasks(vbus_ext);
336 vbus_ext->worker.ta_context = NULL;
337
338 /* flush devices */
339 for (i=0; i<osm_max_targets; i++) {
340 PVDEV vd = ldm_find_target(vbus, i);
341 if (vd) {
342 /* retry once */
343 if (hpt_flush_vdev(vbus_ext, vd))
344 hpt_flush_vdev(vbus_ext, vd);
345 }
346 }
347
348 hpt_lock_vbus(vbus_ext);
349 ldm_shutdown(vbus);
350 hpt_unlock_vbus(vbus_ext);
351
352 ldm_release_vbus(vbus);
353
354 for (hba=vbus_ext->hba_list; hba; hba=hba->next)
355 bus_teardown_intr(hba->pcidev, hba->irq_res, hba->irq_handle);
356
357 hpt_free_mem(vbus_ext);
358
359 while ((hba=vbus_ext->hba_list)) {
360 vbus_ext->hba_list = hba->next;
361 kfree(hba->ldm_adapter.him_handle, M_DEVBUF);
362 }
363
364 kfree(vbus_ext, M_DEVBUF);
365 KdPrint(("hpt_shutdown_vbus done"));
366 }
367
368 static void __hpt_do_tasks(PVBUS_EXT vbus_ext)
369 {
370 OSM_TASK *tasks;
371
372 tasks = vbus_ext->tasks;
373 vbus_ext->tasks = NULL;
374
375 while (tasks) {
376 OSM_TASK *t = tasks;
377 tasks = t->next;
378 t->next = NULL;
379 t->func(vbus_ext->vbus, t->data);
380 }
381 }
382
383 static void hpt_do_tasks(PVBUS_EXT vbus_ext, int pending)
384 {
385 if(vbus_ext){
386 hpt_lock_vbus(vbus_ext);
387 __hpt_do_tasks(vbus_ext);
388 hpt_unlock_vbus(vbus_ext);
389 }
390 }
391
392 static void hpt_action(struct cam_sim *sim, union ccb *ccb);
393 static void hpt_poll(struct cam_sim *sim);
394 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg);
395 static void hpt_pci_intr(void *arg);
396
397 static __inline POS_CMDEXT cmdext_get(PVBUS_EXT vbus_ext)
398 {
399 POS_CMDEXT p = vbus_ext->cmdext_list;
400 if (p)
401 vbus_ext->cmdext_list = p->next;
402 return p;
403 }
404
405 static __inline void cmdext_put(POS_CMDEXT p)
406 {
407 p->next = p->vbus_ext->cmdext_list;
408 p->vbus_ext->cmdext_list = p;
409 }
410
411 static void hpt_timeout(void *arg)
412 {
413 PCOMMAND pCmd = (PCOMMAND)arg;
414 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
415
416 KdPrint(("pCmd %p timeout", pCmd));
417
418 ldm_reset_vbus((PVBUS)ext->vbus_ext->vbus);
419 }
420
421 static void os_cmddone(PCOMMAND pCmd)
422 {
423 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
424 union ccb *ccb = ext->ccb;
425
426 KdPrint(("os_cmddone(%p, %d)", pCmd, pCmd->Result));
427
428 callout_stop(&ccb->ccb_h.timeout_ch);
429
430 switch(pCmd->Result) {
431 case RETURN_SUCCESS:
432 ccb->ccb_h.status = CAM_REQ_CMP;
433 break;
434 case RETURN_BAD_DEVICE:
435 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
436 break;
437 case RETURN_DEVICE_BUSY:
438 ccb->ccb_h.status = CAM_BUSY;
439 break;
440 case RETURN_INVALID_REQUEST:
441 ccb->ccb_h.status = CAM_REQ_INVALID;
442 break;
443 case RETURN_SELECTION_TIMEOUT:
444 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
445 break;
446 case RETURN_RETRY:
447 ccb->ccb_h.status = CAM_BUSY;
448 break;
449 default:
450 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR;
451 break;
452 }
453
454 if (pCmd->flags.data_in) {
455 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTREAD);
456 }
457 else if (pCmd->flags.data_out) {
458 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTWRITE);
459 }
460
461 bus_dmamap_unload(ext->vbus_ext->io_dmat, ext->dma_map);
462
463 cmdext_put(ext);
464 ldm_free_cmds(pCmd);
465 xpt_done(ccb);
466 }
467
468 static int os_buildsgl(PCOMMAND pCmd, PSG pSg, int logical)
469 {
470 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
471 union ccb *ccb = ext->ccb;
472 bus_dma_segment_t *sgList = (bus_dma_segment_t *)ccb->csio.data_ptr;
473 int idx;
474
475 if(logical) {
476 if (ccb->ccb_h.flags & CAM_DATA_PHYS)
477 panic("physical address unsupported");
478
479 if (ccb->ccb_h.flags & CAM_SCATTER_VALID) {
480 if (ccb->ccb_h.flags & CAM_SG_LIST_PHYS)
481 panic("physical address unsupported");
482
483 for (idx = 0; idx < ccb->csio.sglist_cnt; idx++) {
484 os_set_sgptr(&pSg[idx], (HPT_U8 *)(HPT_UPTR)sgList[idx].ds_addr);
485 pSg[idx].size = sgList[idx].ds_len;
486 pSg[idx].eot = (idx==ccb->csio.sglist_cnt-1)? 1 : 0;
487 }
488 }
489 else {
490 os_set_sgptr(pSg, (HPT_U8 *)ccb->csio.data_ptr);
491 pSg->size = ccb->csio.dxfer_len;
492 pSg->eot = 1;
493 }
494 return TRUE;
495 }
496
497 /* since we have provided physical sg, nobody will ask us to build physical sg */
498 HPT_ASSERT(0);
499 return FALSE;
500 }
501
502 static void hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
503 {
504 PCOMMAND pCmd = (PCOMMAND)arg;
505 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
506 PSG psg = pCmd->psg;
507 int idx;
508
509 HPT_ASSERT(pCmd->flags.physical_sg);
510
511 if (error || nsegs == 0)
512 panic("busdma error");
513
514 HPT_ASSERT(nsegs<=os_max_sg_descriptors);
515
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, BUS_DMASYNC_PREREAD);
525 }
526 else if (pCmd->flags.data_out) {
527 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_PREWRITE);
528 }
529
530 callout_reset(&ext->ccb->ccb_h.timeout_ch, HPT_OSM_TIMEOUT, hpt_timeout, pCmd);
531 ldm_queue_cmd(pCmd);
532 }
533
534 static void hpt_scsi_io(PVBUS_EXT vbus_ext, union ccb *ccb)
535 {
536 PVBUS vbus = (PVBUS)vbus_ext->vbus;
537 PVDEV vd;
538 PCOMMAND pCmd;
539 POS_CMDEXT ext;
540 HPT_U8 *cdb;
541
542 if (ccb->ccb_h.flags & CAM_CDB_POINTER)
543 cdb = ccb->csio.cdb_io.cdb_ptr;
544 else
545 cdb = ccb->csio.cdb_io.cdb_bytes;
546
547 KdPrint(("hpt_scsi_io: ccb %x id %d lun %d cdb %x-%x-%x",
548 ccb,
549 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
550 *(HPT_U32 *)&cdb[0], *(HPT_U32 *)&cdb[4], *(HPT_U32 *)&cdb[8]
551 ));
552
553 /* ccb->ccb_h.path_id is not our bus id - don't check it */
554 if (ccb->ccb_h.target_lun != 0 ||
555 ccb->ccb_h.target_id >= osm_max_targets ||
556 (ccb->ccb_h.flags & CAM_CDB_PHYS))
557 {
558 ccb->ccb_h.status = CAM_TID_INVALID;
559 xpt_done(ccb);
560 return;
561 }
562
563 vd = ldm_find_target(vbus, ccb->ccb_h.target_id);
564
565 if (!vd) {
566 ccb->ccb_h.status = CAM_TID_INVALID;
567 xpt_done(ccb);
568 return;
569 }
570
571 switch (cdb[0]) {
572 case TEST_UNIT_READY:
573 case START_STOP_UNIT:
574 case SYNCHRONIZE_CACHE:
575 ccb->ccb_h.status = CAM_REQ_CMP;
576 break;
577
578 case INQUIRY:
579 {
580 PINQUIRYDATA inquiryData;
581 memset(ccb->csio.data_ptr, 0, ccb->csio.dxfer_len);
582 inquiryData = (PINQUIRYDATA)ccb->csio.data_ptr;
583
584 inquiryData->AdditionalLength = 31;
585 inquiryData->CommandQueue = 1;
586 memcpy(&inquiryData->VendorId, "HPT ", 8);
587 memcpy(&inquiryData->ProductId, "DISK 0_0 ", 16);
588
589 if (vd->target_id / 10) {
590 inquiryData->ProductId[7] = (vd->target_id % 100) / 10 + '0';
591 inquiryData->ProductId[8] = (vd->target_id % 100) % 10 + '0';
592 }
593 else
594 inquiryData->ProductId[7] = (vd->target_id % 100) % 10 + '0';
595
596 memcpy(&inquiryData->ProductRevisionLevel, "4.00", 4);
597
598 ccb->ccb_h.status = CAM_REQ_CMP;
599 }
600 break;
601
602 case READ_CAPACITY:
603 {
604 HPT_U8 *rbuf = ccb->csio.data_ptr;
605 HPT_U32 cap;
606
607 if (vd->capacity>0xfffffffful)
608 cap = 0xfffffffful;
609 else
610 cap = vd->capacity - 1;
611
612 rbuf[0] = (HPT_U8)(cap>>24);
613 rbuf[1] = (HPT_U8)(cap>>16);
614 rbuf[2] = (HPT_U8)(cap>>8);
615 rbuf[3] = (HPT_U8)cap;
616 rbuf[4] = 0;
617 rbuf[5] = 0;
618 rbuf[6] = 2;
619 rbuf[7] = 0;
620
621 ccb->ccb_h.status = CAM_REQ_CMP;
622 break;
623 }
624
625 case SERVICE_ACTION_IN:
626 {
627 HPT_U8 *rbuf = ccb->csio.data_ptr;
628 HPT_U64 cap = vd->capacity - 1;
629
630 rbuf[0] = (HPT_U8)(cap>>56);
631 rbuf[1] = (HPT_U8)(cap>>48);
632 rbuf[2] = (HPT_U8)(cap>>40);
633 rbuf[3] = (HPT_U8)(cap>>32);
634 rbuf[4] = (HPT_U8)(cap>>24);
635 rbuf[5] = (HPT_U8)(cap>>16);
636 rbuf[6] = (HPT_U8)(cap>>8);
637 rbuf[7] = (HPT_U8)cap;
638 rbuf[8] = 0;
639 rbuf[9] = 0;
640 rbuf[10] = 2;
641 rbuf[11] = 0;
642
643 ccb->ccb_h.status = CAM_REQ_CMP;
644 break;
645 }
646
647 case READ_6:
648 case READ_10:
649 case READ_16:
650 case WRITE_6:
651 case WRITE_10:
652 case WRITE_16:
653 case 0x13:
654 case 0x2f:
655 case 0x8f: /* VERIFY_16 */
656 {
657 pCmd = ldm_alloc_cmds(vbus, vd->cmds_per_request);
658 if(!pCmd){
659 KdPrint(("Failed to allocate command!"));
660 ccb->ccb_h.status = CAM_BUSY;
661 break;
662 }
663
664 switch (cdb[0]) {
665 case READ_6:
666 case WRITE_6:
667 case 0x13:
668 pCmd->uCmd.Ide.Lba = ((HPT_U32)cdb[1] << 16) | ((HPT_U32)cdb[2] << 8) | (HPT_U32)cdb[3];
669 pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[4];
670 break;
671 case READ_16:
672 case WRITE_16:
673 case 0x8f: /* VERIFY_16 */
674 {
675 HPT_U64 block =
676 ((HPT_U64)cdb[2]<<56) |
677 ((HPT_U64)cdb[3]<<48) |
678 ((HPT_U64)cdb[4]<<40) |
679 ((HPT_U64)cdb[5]<<32) |
680 ((HPT_U64)cdb[6]<<24) |
681 ((HPT_U64)cdb[7]<<16) |
682 ((HPT_U64)cdb[8]<<8) |
683 ((HPT_U64)cdb[9]);
684 pCmd->uCmd.Ide.Lba = block;
685 pCmd->uCmd.Ide.nSectors = (HPT_U16)cdb[13] | ((HPT_U16)cdb[12]<<8);
686 break;
687 }
688
689 default:
690 pCmd->uCmd.Ide.Lba = (HPT_U32)cdb[5] | ((HPT_U32)cdb[4] << 8) | ((HPT_U32)cdb[3] << 16) | ((HPT_U32)cdb[2] << 24);
691 pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[8] | ((HPT_U16)cdb[7]<<8);
692 break;
693 }
694
695 switch (cdb[0]) {
696 case READ_6:
697 case READ_10:
698 case READ_16:
699 pCmd->flags.data_in = 1;
700 break;
701 case WRITE_6:
702 case WRITE_10:
703 case WRITE_16:
704 pCmd->flags.data_out = 1;
705 break;
706 }
707 pCmd->priv = ext = cmdext_get(vbus_ext);
708 HPT_ASSERT(ext);
709 ext->ccb = ccb;
710 pCmd->target = vd;
711 pCmd->done = os_cmddone;
712 pCmd->buildsgl = os_buildsgl;
713
714 pCmd->psg = ext->psg;
715
716 if (ccb->ccb_h.flags & CAM_SCATTER_VALID) {
717 int idx;
718 bus_dma_segment_t *sgList = (bus_dma_segment_t *)ccb->csio.data_ptr;
719
720 if (ccb->ccb_h.flags & CAM_SG_LIST_PHYS)
721 pCmd->flags.physical_sg = 1;
722
723 for (idx = 0; idx < ccb->csio.sglist_cnt; idx++) {
724 pCmd->psg[idx].addr.bus = sgList[idx].ds_addr;
725 pCmd->psg[idx].size = sgList[idx].ds_len;
726 pCmd->psg[idx].eot = (idx==ccb->csio.sglist_cnt-1)? 1 : 0;
727 }
728
729 callout_reset(&ccb->ccb_h.timeout_ch, HPT_OSM_TIMEOUT, hpt_timeout, pCmd);
730 ldm_queue_cmd(pCmd);
731 }
732 else {
733 int error;
734 pCmd->flags.physical_sg = 1;
735 error = bus_dmamap_load(vbus_ext->io_dmat,
736 ext->dma_map,
737 ccb->csio.data_ptr, ccb->csio.dxfer_len,
738 hpt_io_dmamap_callback, pCmd,
739 BUS_DMA_WAITOK
740 );
741 KdPrint(("bus_dmamap_load return %d", error));
742 if (error && error!=EINPROGRESS) {
743 os_printk("bus_dmamap_load error %d", error);
744 cmdext_put(ext);
745 ldm_free_cmds(pCmd);
746 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
747 xpt_done(ccb);
748 }
749 }
750 return;
751 }
752
753 default:
754 ccb->ccb_h.status = CAM_REQ_INVALID;
755 break;
756 }
757
758 xpt_done(ccb);
759 return;
760 }
761
762 static void hpt_action(struct cam_sim *sim, union ccb *ccb)
763 {
764 PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim);
765
766 KdPrint(("hpt_action(fn=%d, id=%d)", ccb->ccb_h.func_code, ccb->ccb_h.target_id));
767
768 switch (ccb->ccb_h.func_code) {
769
770 case XPT_SCSI_IO:
771 hpt_lock_vbus(vbus_ext);
772 hpt_scsi_io(vbus_ext, ccb);
773 hpt_unlock_vbus(vbus_ext);
774 return;
775
776 case XPT_RESET_BUS:
777 hpt_lock_vbus(vbus_ext);
778 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
779 hpt_unlock_vbus(vbus_ext);
780 break;
781
782 case XPT_GET_TRAN_SETTINGS:
783 case XPT_SET_TRAN_SETTINGS:
784 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
785 break;
786
787 case XPT_CALC_GEOMETRY:
788 ccb->ccg.heads = 255;
789 ccb->ccg.secs_per_track = 63;
790 ccb->ccg.cylinders = ccb->ccg.volume_size / (ccb->ccg.heads * ccb->ccg.secs_per_track);
791 ccb->ccb_h.status = CAM_REQ_CMP;
792 break;
793
794 case XPT_PATH_INQ:
795 {
796 struct ccb_pathinq *cpi = &ccb->cpi;
797
798 cpi->version_num = 1;
799 cpi->hba_inquiry = PI_SDTR_ABLE;
800 cpi->target_sprt = 0;
801 cpi->hba_misc = PIM_NOBUSRESET;
802 cpi->hba_eng_cnt = 0;
803 cpi->max_target = osm_max_targets;
804 cpi->max_lun = 0;
805 cpi->unit_number = cam_sim_unit(sim);
806 cpi->bus_id = cam_sim_bus(sim);
807 cpi->initiator_id = osm_max_targets;
808 cpi->base_transfer_speed = 3300;
809
810 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
811 strncpy(cpi->hba_vid, "HPT ", HBA_IDLEN);
812 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
813 cpi->transport = XPORT_SPI;
814 cpi->transport_version = 2;
815 cpi->protocol = PROTO_SCSI;
816 cpi->protocol_version = SCSI_REV_2;
817 cpi->maxio = HPT27XX_DFLTPHYS;
818 cpi->ccb_h.status = CAM_REQ_CMP;
819 break;
820 }
821
822 default:
823 ccb->ccb_h.status = CAM_REQ_INVALID;
824 break;
825 }
826
827 xpt_done(ccb);
828 return;
829 }
830
831 static void hpt_pci_intr(void *arg)
832 {
833 PVBUS_EXT vbus_ext = (PVBUS_EXT)arg;
834 hpt_lock_vbus(vbus_ext);
835 ldm_intr((PVBUS)vbus_ext->vbus);
836 hpt_unlock_vbus(vbus_ext);
837 }
838
839 static void hpt_poll(struct cam_sim *sim)
840 {
841 hpt_pci_intr(cam_sim_softc(sim));
842 }
843
844 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg)
845 {
846 KdPrint(("hpt_async"));
847 }
848
849 static int hpt_shutdown(device_t dev)
850 {
851 KdPrint(("hpt_shutdown(dev=%p)", dev));
852 return 0;
853 }
854
855 static int hpt_detach(device_t dev)
856 {
857 /* we don't allow the driver to be unloaded. */
858 return EBUSY;
859 }
860
861 static void hpt_ioctl_done(struct _IOCTL_ARG *arg)
862 {
863 arg->ioctl_cmnd = NULL;
864 wakeup(arg);
865 }
866
867 static void __hpt_do_ioctl(PVBUS_EXT vbus_ext, IOCTL_ARG *ioctl_args)
868 {
869 ioctl_args->result = -1;
870 ioctl_args->done = hpt_ioctl_done;
871 ioctl_args->ioctl_cmnd = (void *)1;
872
873 hpt_lock_vbus(vbus_ext);
874 ldm_ioctl((PVBUS)vbus_ext->vbus, ioctl_args);
875
876 while (ioctl_args->ioctl_cmnd) {
877 if (hpt_sleep(vbus_ext, ioctl_args, 0, "hptctl", HPT_OSM_TIMEOUT)==0)
878 break;
879 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
880 __hpt_do_tasks(vbus_ext);
881 }
882
883 /* KdPrint(("ioctl %x result %d", ioctl_args->dwIoControlCode, ioctl_args->result)); */
884
885 hpt_unlock_vbus(vbus_ext);
886 }
887
888 static void hpt_do_ioctl(IOCTL_ARG *ioctl_args)
889 {
890 PVBUS vbus;
891 PVBUS_EXT vbus_ext;
892
893 ldm_for_each_vbus(vbus, vbus_ext) {
894 __hpt_do_ioctl(vbus_ext, ioctl_args);
895 if (ioctl_args->result!=HPT_IOCTL_RESULT_WRONG_VBUS)
896 return;
897 }
898 }
899
900 #define HPT_DO_IOCTL(code, inbuf, insize, outbuf, outsize) ({\
901 IOCTL_ARG arg;\
902 arg.dwIoControlCode = code;\
903 arg.lpInBuffer = inbuf;\
904 arg.lpOutBuffer = outbuf;\
905 arg.nInBufferSize = insize;\
906 arg.nOutBufferSize = outsize;\
907 arg.lpBytesReturned = NULL;\
908 hpt_do_ioctl(&arg);\
909 arg.result;\
910 })
911
912 #define DEVICEID_VALID(id) ((id) && ((HPT_U32)(id)!=0xffffffff))
913
914 static int hpt_get_logical_devices(DEVICEID * pIds, int nMaxCount)
915 {
916 int i;
917 HPT_U32 count = nMaxCount-1;
918
919 if (HPT_DO_IOCTL(HPT_IOCTL_GET_LOGICAL_DEVICES,
920 &count, sizeof(HPT_U32), pIds, sizeof(DEVICEID)*nMaxCount))
921 return -1;
922
923 nMaxCount = (int)pIds[0];
924 for (i=0; i<nMaxCount; i++) pIds[i] = pIds[i+1];
925 return nMaxCount;
926 }
927
928 static int hpt_get_device_info_v3(DEVICEID id, PLOGICAL_DEVICE_INFO_V3 pInfo)
929 {
930 return HPT_DO_IOCTL(HPT_IOCTL_GET_DEVICE_INFO_V3,
931 &id, sizeof(DEVICEID), pInfo, sizeof(LOGICAL_DEVICE_INFO_V3));
932 }
933
934 /* not belong to this file logically, but we want to use ioctl interface */
935 static int __hpt_stop_tasks(PVBUS_EXT vbus_ext, DEVICEID id)
936 {
937 LOGICAL_DEVICE_INFO_V3 devinfo;
938 int i, result;
939 DEVICEID param[2] = { id, 0 };
940
941 if (hpt_get_device_info_v3(id, &devinfo))
942 return -1;
943
944 if (devinfo.Type!=LDT_ARRAY)
945 return -1;
946
947 if (devinfo.u.array.Flags & ARRAY_FLAG_REBUILDING)
948 param[1] = AS_REBUILD_ABORT;
949 else if (devinfo.u.array.Flags & ARRAY_FLAG_VERIFYING)
950 param[1] = AS_VERIFY_ABORT;
951 else if (devinfo.u.array.Flags & ARRAY_FLAG_INITIALIZING)
952 param[1] = AS_INITIALIZE_ABORT;
953 else if (devinfo.u.array.Flags & ARRAY_FLAG_TRANSFORMING)
954 param[1] = AS_TRANSFORM_ABORT;
955 else
956 return -1;
957
958 KdPrint(("SET_ARRAY_STATE(%x, %d)", param[0], param[1]));
959 result = HPT_DO_IOCTL(HPT_IOCTL_SET_ARRAY_STATE,
960 param, sizeof(param), 0, 0);
961
962 for (i=0; i<devinfo.u.array.nDisk; i++)
963 if (DEVICEID_VALID(devinfo.u.array.Members[i]))
964 __hpt_stop_tasks(vbus_ext, devinfo.u.array.Members[i]);
965
966 return result;
967 }
968
969 static void hpt_stop_tasks(PVBUS_EXT vbus_ext)
970 {
971 DEVICEID ids[32];
972 int i, count;
973
974 count = hpt_get_logical_devices((DEVICEID *)&ids, sizeof(ids)/sizeof(ids[0]));
975
976 for (i=0; i<count; i++)
977 __hpt_stop_tasks(vbus_ext, ids[i]);
978 }
979
980 static d_open_t hpt_open;
981 static d_close_t hpt_close;
982 static d_ioctl_t hpt_ioctl;
983 static void hpt_bus_scan_cb(struct cam_periph *periph, union ccb *ccb);
984 static int hpt_rescan_bus(void);
985
986 static struct dev_ops hpt_ops = {
987 { driver_name, 0, 0 },
988 .d_open = hpt_open,
989 .d_close = hpt_close,
990 .d_ioctl = hpt_ioctl,
991 };
992
993 static struct intr_config_hook hpt_ich;
994
995 /*
996 * hpt_final_init will be called after all hpt_attach.
997 */
998 static void hpt_final_init(void *dummy)
999 {
1000 int i;
1001 PVBUS_EXT vbus_ext;
1002 PVBUS vbus;
1003 PHBA hba;
1004
1005 /* Clear the config hook */
1006 config_intrhook_disestablish(&hpt_ich);
1007
1008 /* allocate memory */
1009 i = 0;
1010 ldm_for_each_vbus(vbus, vbus_ext) {
1011 if (hpt_alloc_mem(vbus_ext)) {
1012 os_printk("out of memory");
1013 return;
1014 }
1015 i++;
1016 }
1017
1018 if (!i) {
1019 os_printk("no controller detected.");
1020 return;
1021 }
1022
1023 /* initializing hardware */
1024 ldm_for_each_vbus(vbus, vbus_ext) {
1025 /* make timer available here */
1026 callout_init(&vbus_ext->timer);
1027 if (hpt_init_vbus(vbus_ext)) {
1028 os_printk("fail to initialize hardware");
1029 break; /* FIXME */
1030 }
1031 }
1032
1033 /* register CAM interface */
1034 ldm_for_each_vbus(vbus, vbus_ext) {
1035 struct cam_devq *devq;
1036 struct ccb_setasync ccb;
1037
1038 lockinit(&vbus_ext->lock, "hptsleeplock", 0, LK_CANRECURSE);
1039 if (bus_dma_tag_create(NULL,/* parent */
1040 4, /* alignment */
1041 BUS_SPACE_MAXADDR_32BIT+1, /* boundary */
1042 BUS_SPACE_MAXADDR, /* lowaddr */
1043 BUS_SPACE_MAXADDR, /* highaddr */
1044 NULL, NULL, /* filter, filterarg */
1045 PAGE_SIZE * (os_max_sg_descriptors-1), /* maxsize */
1046 os_max_sg_descriptors, /* nsegments */
1047 0x10000, /* maxsegsize */
1048 BUS_DMA_WAITOK, /* flags */
1049 &vbus_ext->io_dmat /* tag */))
1050 {
1051 return ;
1052 }
1053
1054 for (i=0; i<os_max_queue_comm; i++) {
1055 POS_CMDEXT ext = (POS_CMDEXT)kmalloc(sizeof(OS_CMDEXT), M_DEVBUF, M_WAITOK);
1056 if (!ext) {
1057 os_printk("Can't alloc cmdext(%d)", i);
1058 return ;
1059 }
1060 ext->vbus_ext = vbus_ext;
1061 ext->next = vbus_ext->cmdext_list;
1062 vbus_ext->cmdext_list = ext;
1063
1064 if (bus_dmamap_create(vbus_ext->io_dmat, 0, &ext->dma_map)) {
1065 os_printk("Can't create dma map(%d)", i);
1066 return ;
1067 }
1068 }
1069
1070 if ((devq = cam_simq_alloc(os_max_queue_comm)) == NULL) {
1071 os_printk("cam_simq_alloc failed");
1072 return ;
1073 }
1074
1075 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name,
1076 vbus_ext, 0, &sim_mplock, os_max_queue_comm, /*tagged*/8, devq);
1077 cam_simq_release(devq);
1078
1079 if (!vbus_ext->sim) {
1080 os_printk("cam_sim_alloc failed");
1081 return ;
1082 }
1083
1084 if (xpt_bus_register(vbus_ext->sim, 0) != CAM_SUCCESS) {
1085 os_printk("xpt_bus_register failed");
1086 cam_sim_free(vbus_ext->sim);
1087 vbus_ext->sim = NULL;
1088 return ;
1089 }
1090
1091 if (xpt_create_path(&vbus_ext->path, /*periph */ NULL,
1092 cam_sim_path(vbus_ext->sim), CAM_TARGET_WILDCARD,
1093 CAM_LUN_WILDCARD) != CAM_REQ_CMP)
1094 {
1095 os_printk("xpt_create_path failed");
1096 xpt_bus_deregister(cam_sim_path(vbus_ext->sim));
1097 cam_sim_free(vbus_ext->sim);
1098 vbus_ext->sim = NULL;
1099 return ;
1100 }
1101
1102 xpt_setup_ccb(&ccb.ccb_h, vbus_ext->path, /*priority*/5);
1103 ccb.ccb_h.func_code = XPT_SASYNC_CB;
1104 ccb.event_enable = AC_LOST_DEVICE;
1105 ccb.callback = hpt_async;
1106 ccb.callback_arg = vbus_ext;
1107 xpt_action((union ccb *)&ccb);
1108
1109 for (hba = vbus_ext->hba_list; hba; hba = hba->next) {
1110 int rid = 0;
1111 if ((hba->irq_res = bus_alloc_resource(hba->pcidev,
1112 SYS_RES_IRQ, &rid, 0, ~0ul, 1, RF_SHAREABLE | RF_ACTIVE)) == NULL)
1113 {
1114 os_printk("can't allocate interrupt");
1115 return ;
1116 }
1117
1118 if (bus_setup_intr(hba->pcidev, hba->irq_res, 0,
1119 hpt_pci_intr, vbus_ext, &hba->irq_handle, NULL))
1120 {
1121 os_printk("can't set up interrupt");
1122 return ;
1123 }
1124 hba->ldm_adapter.him->intr_control(hba->ldm_adapter.him_handle, HPT_TRUE);
1125
1126 }
1127
1128 vbus_ext->shutdown_eh = EVENTHANDLER_REGISTER(shutdown_final,
1129 hpt_shutdown_vbus, vbus_ext, SHUTDOWN_PRI_DEFAULT);
1130 if (!vbus_ext->shutdown_eh)
1131 os_printk("Shutdown event registration failed");
1132 }
1133
1134 ldm_for_each_vbus(vbus, vbus_ext) {
1135 TASK_INIT(&vbus_ext->worker, 0, (task_fn_t *)hpt_do_tasks, vbus_ext);
1136 if (vbus_ext->tasks)
1137 TASK_ENQUEUE(&vbus_ext->worker);
1138 }
1139
1140 make_dev(&hpt_ops, DRIVER_MINOR, UID_ROOT, GID_OPERATOR,
1141 S_IRUSR | S_IWUSR, driver_name);
1142 }
1143
1144 #if defined(KLD_MODULE)
1145
1146 typedef struct driverlink *driverlink_t;
1147 struct driverlink {
1148 kobj_class_t driver;
1149 TAILQ_ENTRY(driverlink) link; /* list of drivers in devclass */
1150 };
1151
1152 typedef TAILQ_HEAD(driver_list, driverlink) driver_list_t;
1153
1154 struct devclass {
1155 TAILQ_ENTRY(devclass) link;
1156 devclass_t parent; /* parent in devclass hierarchy */
1157 driver_list_t drivers; /* bus devclasses store drivers for bus */
1158 char *name;
1159 device_t *devices; /* array of devices indexed by unit */
1160 int maxunit; /* size of devices array */
1161 };
1162
1163 static void override_kernel_driver(void)
1164 {
1165 driverlink_t dl, dlfirst;
1166 driver_t *tmpdriver;
1167 devclass_t dc = devclass_find("pci");
1168
1169 if (dc){
1170 dlfirst = TAILQ_FIRST(&dc->drivers);
1171 for (dl = dlfirst; dl; dl = TAILQ_NEXT(dl, link)) {
1172 if(strcmp(dl->driver->name, driver_name) == 0) {
1173 tmpdriver=dl->driver;
1174 dl->driver=dlfirst->driver;
1175 dlfirst->driver=tmpdriver;
1176 break;
1177 }
1178 }
1179 }
1180 }
1181
1182 #else
1183 #define override_kernel_driver()
1184 #endif
1185
1186 static void hpt_init(void *dummy)
1187 {
1188 if (bootverbose)
1189 os_printk("%s %s", driver_name_long, driver_ver);
1190
1191 override_kernel_driver();
1192 init_config();
1193
1194 hpt_ich.ich_func = hpt_final_init;
1195 hpt_ich.ich_arg = NULL;
1196 hpt_ich.ich_desc = "hpt27xx";
1197 if (config_intrhook_establish(&hpt_ich) != 0) {
1198 kprintf("%s: cannot establish configuration hook\n",
1199 driver_name_long);
1200 }
1201
1202 }
1203 SYSINIT(hptinit, SI_SUB_CONFIGURE, SI_ORDER_FIRST, hpt_init, NULL);
1204
1205 /*
1206 * CAM driver interface
1207 */
1208 static device_method_t driver_methods[] = {
1209 /* Device interface */
1210 DEVMETHOD(device_probe, hpt_probe),
1211 DEVMETHOD(device_attach, hpt_attach),
1212 DEVMETHOD(device_detach, hpt_detach),
1213 DEVMETHOD(device_shutdown, hpt_shutdown),
1214 DEVMETHOD_END
1215 };
1216
1217 static driver_t hpt_pci_driver = {
1218 driver_name,
1219 driver_methods,
1220 sizeof(HBA)
1221 };
1222
1223 static devclass_t hpt_devclass;
1224
1225 #ifndef TARGETNAME
1226 #error "no TARGETNAME found"
1227 #endif
1228
1229 /* use this to make TARGETNAME be expanded */
1230 #define __DRIVER_MODULE(p1, p2, p3, p4, p5, p6) DRIVER_MODULE(p1, p2, p3, p4, p5, p6)
1231 #define __MODULE_VERSION(p1, p2) MODULE_VERSION(p1, p2)
1232 #define __MODULE_DEPEND(p1, p2, p3, p4, p5) MODULE_DEPEND(p1, p2, p3, p4, p5)
1233 __DRIVER_MODULE(TARGETNAME, pci, hpt_pci_driver, hpt_devclass, NULL, NULL);
1234 __MODULE_VERSION(TARGETNAME, 1);
1235 __MODULE_DEPEND(TARGETNAME, cam, 1, 1, 1);
1236
1237 typedef struct cdev * ioctl_dev_t;
1238
1239 typedef struct thread * ioctl_thread_t;
1240
1241 static int hpt_open(struct dev_open_args *ap)
1242 {
1243 return 0;
1244 }
1245
1246 static int hpt_close(struct dev_close_args *ap)
1247 {
1248 return 0;
1249 }
1250
1251 static int hpt_ioctl(struct dev_ioctl_args *ap)
1252 {
1253 u_long cmd = ap->a_cmd;
1254 caddr_t data = ap->a_data;
1255 PHPT_IOCTL_PARAM piop=(PHPT_IOCTL_PARAM)data;
1256 IOCTL_ARG ioctl_args;
1257 HPT_U32 bytesReturned;
1258
1259 switch (cmd){
1260 case HPT_DO_IOCONTROL:
1261 {
1262 if (piop->Magic == HPT_IOCTL_MAGIC || piop->Magic == HPT_IOCTL_MAGIC32) {
1263 KdPrint(("ioctl=%x in=%p len=%d out=%p len=%d\n",
1264 piop->dwIoControlCode,
1265 piop->lpInBuffer,
1266 piop->nInBufferSize,
1267 piop->lpOutBuffer,
1268 piop->nOutBufferSize));
1269
1270 memset(&ioctl_args, 0, sizeof(ioctl_args));
1271
1272 ioctl_args.dwIoControlCode = piop->dwIoControlCode;
1273 ioctl_args.nInBufferSize = piop->nInBufferSize;
1274 ioctl_args.nOutBufferSize = piop->nOutBufferSize;
1275 ioctl_args.lpBytesReturned = &bytesReturned;
1276
1277 if (ioctl_args.nInBufferSize) {
1278 ioctl_args.lpInBuffer = kmalloc(ioctl_args.nInBufferSize, M_DEVBUF, M_WAITOK);
1279 if (!ioctl_args.lpInBuffer)
1280 goto invalid;
1281 if (copyin((void*)piop->lpInBuffer,
1282 ioctl_args.lpInBuffer, piop->nInBufferSize))
1283 goto invalid;
1284 }
1285
1286 if (ioctl_args.nOutBufferSize) {
1287 ioctl_args.lpOutBuffer = kmalloc(ioctl_args.nOutBufferSize, M_DEVBUF, M_WAITOK);
1288 if (!ioctl_args.lpOutBuffer)
1289 goto invalid;
1290 }
1291
1292 get_mplock();
1293
1294 hpt_do_ioctl(&ioctl_args);
1295
1296 rel_mplock();
1297
1298 if (ioctl_args.result==HPT_IOCTL_RESULT_OK) {
1299 if (piop->nOutBufferSize) {
1300 if (copyout(ioctl_args.lpOutBuffer,
1301 (void*)piop->lpOutBuffer, piop->nOutBufferSize))
1302 goto invalid;
1303 }
1304 if (piop->lpBytesReturned) {
1305 if (copyout(&bytesReturned,
1306 (void*)piop->lpBytesReturned, sizeof(HPT_U32)))
1307 goto invalid;
1308 }
1309 if (ioctl_args.lpInBuffer) kfree(ioctl_args.lpInBuffer, M_DEVBUF);
1310 if (ioctl_args.lpOutBuffer) kfree(ioctl_args.lpOutBuffer, M_DEVBUF);
1311 return 0;
1312 }
1313 invalid:
1314 if (ioctl_args.lpInBuffer) kfree(ioctl_args.lpInBuffer, M_DEVBUF);
1315 if (ioctl_args.lpOutBuffer) kfree(ioctl_args.lpOutBuffer, M_DEVBUF);
1316 return EFAULT;
1317 }
1318 return EFAULT;
1319 }
1320
1321 case HPT_SCAN_BUS:
1322 {
1323 return hpt_rescan_bus();
1324 }
1325 default:
1326 KdPrint(("invalid command!"));
1327 return EFAULT;
1328 }
1329
1330 }
1331
1332 static int hpt_rescan_bus(void)
1333 {
1334 struct cam_path *path;
1335 union ccb *ccb;
1336 PVBUS vbus;
1337 PVBUS_EXT vbus_ext;
1338
1339 get_mplock();
1340
1341 ldm_for_each_vbus(vbus, vbus_ext) {
1342 if (xpt_create_path(&path, xpt_periph, cam_sim_path(vbus_ext->sim),
1343 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
1344 rel_mplock();
1345 return(EIO);
1346 }
1347 ccb = kmalloc(sizeof(union ccb), M_TEMP, M_WAITOK);
1348 bzero(ccb, sizeof(union ccb));
1349 xpt_setup_ccb(&ccb->ccb_h, path, 5);
1350 ccb->ccb_h.func_code = XPT_SCAN_BUS;
1351 ccb->ccb_h.cbfcnp = hpt_bus_scan_cb;
1352 ccb->crcn.flags = CAM_FLAG_NONE;
1353 xpt_action(ccb);
1354 }
1355
1356 rel_mplock();
1357
1358 return(0);
1359 }
1360
1361 static void hpt_bus_scan_cb(struct cam_periph *periph, union ccb *ccb)
1362 {
1363 if (ccb->ccb_h.status != CAM_REQ_CMP)
1364 KdPrint(("cam_scan_callback: failure status = %x",ccb->ccb_h.status));
1365 else
1366 KdPrint(("Scan bus successfully!"));
1367
1368 xpt_free_path(ccb->ccb_h.path);
1369 kfree(ccb, M_TEMP);
1370 return;
1371 }
DragonFly BSD