1 /*
2 * Copyright (c) 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
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD: releng/10.0/sys/dev/hptrr/hptrr_osm_bsd.c 255871 2013-09-25 17:16:21Z scottl $");
29
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
42 static int hpt_probe(device_t dev)
43 {
44 PCI_ID pci_id;
45 HIM *him;
46 int i;
47 PHBA hba;
48
49 /* Some of supported chips are used not only by HPT. */
50 if (pci_get_vendor(dev) != 0x1103 && !attach_generic)
51 return (ENXIO);
52 for (him = him_list; him; him = him->next) {
53 for (i=0; him->get_supported_device_id(i, &pci_id); i++) {
54 if ((pci_get_vendor(dev) == pci_id.vid) &&
55 (pci_get_device(dev) == pci_id.did)){
56 KdPrint(("hpt_probe: adapter at PCI %d:%d:%d, IRQ %d",
57 pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev), pci_get_irq(dev)
58 ));
59 device_set_desc(dev, him->name);
60 hba = (PHBA)device_get_softc(dev);
61 memset(hba, 0, sizeof(HBA));
62 hba->ext_type = EXT_TYPE_HBA;
63 hba->ldm_adapter.him = him;
64 return 0;
65 }
66 }
67 }
68
69 return (ENXIO);
70 }
71
72 static int hpt_attach(device_t dev)
73 {
74 PHBA hba = (PHBA)device_get_softc(dev);
75 HIM *him = hba->ldm_adapter.him;
76 PCI_ID pci_id;
77 HPT_UINT size;
78 PVBUS vbus;
79 PVBUS_EXT vbus_ext;
80
81 KdPrint(("hpt_attach(%d/%d/%d)", pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev)));
82
83 #if __FreeBSD_version >=440000
84 pci_enable_busmaster(dev);
85 #endif
86
87 pci_id.vid = pci_get_vendor(dev);
88 pci_id.did = pci_get_device(dev);
89 pci_id.rev = pci_get_revid(dev);
90
91 size = him->get_adapter_size(&pci_id);
92 hba->ldm_adapter.him_handle = malloc(size, M_DEVBUF, M_WAITOK);
93 if (!hba->ldm_adapter.him_handle)
94 return ENXIO;
95
96 hba->pcidev = dev;
97 hba->pciaddr.tree = 0;
98 hba->pciaddr.bus = pci_get_bus(dev);
99 hba->pciaddr.device = pci_get_slot(dev);
100 hba->pciaddr.function = pci_get_function(dev);
101
102 if (!him->create_adapter(&pci_id, hba->pciaddr, hba->ldm_adapter.him_handle, hba)) {
103 free(hba->ldm_adapter.him_handle, M_DEVBUF);
104 return -1;
105 }
106
107 os_printk("adapter at PCI %d:%d:%d, IRQ %d",
108 hba->pciaddr.bus, hba->pciaddr.device, hba->pciaddr.function, pci_get_irq(dev));
109
110 if (!ldm_register_adapter(&hba->ldm_adapter)) {
111 size = ldm_get_vbus_size();
112 vbus_ext = malloc(sizeof(VBUS_EXT) + size, M_DEVBUF, M_WAITOK);
113 if (!vbus_ext) {
114 free(hba->ldm_adapter.him_handle, M_DEVBUF);
115 return -1;
116 }
117 memset(vbus_ext, 0, sizeof(VBUS_EXT));
118 vbus_ext->ext_type = EXT_TYPE_VBUS;
119 ldm_create_vbus((PVBUS)vbus_ext->vbus, vbus_ext);
120 ldm_register_adapter(&hba->ldm_adapter);
121 }
122
123 ldm_for_each_vbus(vbus, vbus_ext) {
124 if (hba->ldm_adapter.vbus==vbus) {
125 hba->vbus_ext = vbus_ext;
126 hba->next = vbus_ext->hba_list;
127 vbus_ext->hba_list = hba;
128 break;
129 }
130 }
131 return 0;
132 }
133
134 /*
135 * Maybe we'd better to use the bus_dmamem_alloc to alloc DMA memory,
136 * but there are some problems currently (alignment, etc).
137 */
138 static __inline void *__get_free_pages(int order)
139 {
140 /* don't use low memory - other devices may get starved */
141 return contigmalloc(PAGE_SIZE<<order,
142 M_DEVBUF, M_WAITOK, BUS_SPACE_MAXADDR_24BIT, BUS_SPACE_MAXADDR, PAGE_SIZE, 0);
143 }
144
145 static __inline void free_pages(void *p, int order)
146 {
147 contigfree(p, PAGE_SIZE<<order, M_DEVBUF);
148 }
149
150 static int hpt_alloc_mem(PVBUS_EXT vbus_ext)
151 {
152 PHBA hba;
153 struct freelist *f;
154 HPT_UINT i;
155 void **p;
156
157 for (hba = vbus_ext->hba_list; hba; hba = hba->next)
158 hba->ldm_adapter.him->get_meminfo(hba->ldm_adapter.him_handle);
159
160 ldm_get_mem_info((PVBUS)vbus_ext->vbus, 0);
161
162 for (f=vbus_ext->freelist_head; f; f=f->next) {
163 KdPrint(("%s: %d*%d=%d bytes",
164 f->tag, f->count, f->size, f->count*f->size));
165 for (i=0; i<f->count; i++) {
166 p = (void **)malloc(f->size, M_DEVBUF, M_WAITOK);
167 if (!p) return (ENXIO);
168 *p = f->head;
169 f->head = p;
170 }
171 }
172
173 for (f=vbus_ext->freelist_dma_head; f; f=f->next) {
174 int order, size, j;
175
176 HPT_ASSERT((f->size & (f->alignment-1))==0);
177
178 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1)
179 ;
180
181 KdPrint(("%s: %d*%d=%d bytes, order %d",
182 f->tag, f->count, f->size, f->count*f->size, order));
183 HPT_ASSERT(f->alignment<=PAGE_SIZE);
184
185 for (i=0; i<f->count;) {
186 p = (void **)__get_free_pages(order);
187 if (!p) return -1;
188 for (j = size/f->size; j && i<f->count; i++,j--) {
189 *p = f->head;
190 *(BUS_ADDRESS *)(p+1) = (BUS_ADDRESS)vtophys(p);
191 f->head = p;
192 p = (void **)((unsigned long)p + f->size);
193 }
194 }
195 }
196
197 HPT_ASSERT(PAGE_SIZE==DMAPOOL_PAGE_SIZE);
198
199 for (i=0; i<os_max_cache_pages; i++) {
200 p = (void **)__get_free_pages(0);
201 if (!p) return -1;
202 HPT_ASSERT(((HPT_UPTR)p & (DMAPOOL_PAGE_SIZE-1))==0);
203 dmapool_put_page((PVBUS)vbus_ext->vbus, p, (BUS_ADDRESS)vtophys(p));
204 }
205
206 return 0;
207 }
208
209 static void hpt_free_mem(PVBUS_EXT vbus_ext)
210 {
211 struct freelist *f;
212 void *p;
213 int i;
214 BUS_ADDRESS bus;
215
216 for (f=vbus_ext->freelist_head; f; f=f->next) {
217 #if DBG
218 if (f->count!=f->reserved_count) {
219 KdPrint(("memory leak for freelist %s (%d/%d)", f->tag, f->count, f->reserved_count));
220 }
221 #endif
222 while ((p=freelist_get(f)))
223 free(p, M_DEVBUF);
224 }
225
226 for (i=0; i<os_max_cache_pages; i++) {
227 p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus);
228 HPT_ASSERT(p);
229 free_pages(p, 0);
230 }
231
232 for (f=vbus_ext->freelist_dma_head; f; f=f->next) {
233 int order, size;
234 #if DBG
235 if (f->count!=f->reserved_count) {
236 KdPrint(("memory leak for dma freelist %s (%d/%d)", f->tag, f->count, f->reserved_count));
237 }
238 #endif
239 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) ;
240
241 while ((p=freelist_get_dma(f, &bus))) {
242 if (order)
243 free_pages(p, order);
244 else {
245 /* can't free immediately since other blocks in this page may still be in the list */
246 if (((HPT_UPTR)p & (PAGE_SIZE-1))==0)
247 dmapool_put_page((PVBUS)vbus_ext->vbus, p, bus);
248 }
249 }
250 }
251
252 while ((p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus)))
253 free_pages(p, 0);
254 }
255
256 static int hpt_init_vbus(PVBUS_EXT vbus_ext)
257 {
258 PHBA hba;
259
260 for (hba = vbus_ext->hba_list; hba; hba = hba->next)
261 if (!hba->ldm_adapter.him->initialize(hba->ldm_adapter.him_handle)) {
262 KdPrint(("fail to initialize %p", hba));
263 return -1;
264 }
265
266 ldm_initialize_vbus((PVBUS)vbus_ext->vbus, &vbus_ext->hba_list->ldm_adapter);
267 return 0;
268 }
269
270 static void hpt_flush_done(PCOMMAND pCmd)
271 {
272 PVDEV vd = pCmd->target;
273
274 if (mIsArray(vd->type) && vd->u.array.transform && vd!=vd->u.array.transform->target) {
275 vd = vd->u.array.transform->target;
276 HPT_ASSERT(vd);
277 pCmd->target = vd;
278 pCmd->Result = RETURN_PENDING;
279 vdev_queue_cmd(pCmd);
280 return;
281 }
282
283 *(int *)pCmd->priv = 1;
284 wakeup(pCmd);
285 }
286
287 /*
288 * flush a vdev (without retry).
289 */
290 static int hpt_flush_vdev(PVBUS_EXT vbus_ext, PVDEV vd)
291 {
292 PCOMMAND pCmd;
293 int result = 0, done;
294 HPT_UINT count;
295
296 KdPrint(("flusing dev %p", vd));
297
298 hpt_lock_vbus(vbus_ext);
299
300 if (mIsArray(vd->type) && vd->u.array.transform)
301 count = MAX(vd->u.array.transform->source->cmds_per_request,
302 vd->u.array.transform->target->cmds_per_request);
303 else
304 count = vd->cmds_per_request;
305
306 pCmd = ldm_alloc_cmds(vd->vbus, count);
307
308 if (!pCmd) {
309 hpt_unlock_vbus(vbus_ext);
310 return -1;
311 }
312
313 pCmd->type = CMD_TYPE_FLUSH;
314 pCmd->flags.hard_flush = 1;
315 pCmd->target = vd;
316 pCmd->done = hpt_flush_done;
317 done = 0;
318 pCmd->priv = &done;
319
320 ldm_queue_cmd(pCmd);
321
322 if (!done) {
323 while (hpt_sleep(vbus_ext, pCmd, PPAUSE, "hptfls", HPT_OSM_TIMEOUT)) {
324 ldm_reset_vbus(vd->vbus);
325 }
326 }
327
328 KdPrint(("flush result %d", pCmd->Result));
329
330 if (pCmd->Result!=RETURN_SUCCESS)
331 result = -1;
332
333 ldm_free_cmds(pCmd);
334
335 hpt_unlock_vbus(vbus_ext);
336
337 return result;
338 }
339
340 static void hpt_stop_tasks(PVBUS_EXT vbus_ext);
341 static void hpt_shutdown_vbus(PVBUS_EXT vbus_ext, int howto)
342 {
343 PVBUS vbus = (PVBUS)vbus_ext->vbus;
344 PHBA hba;
345 int i;
346
347 KdPrint(("hpt_shutdown_vbus"));
348
349 /* stop all ctl tasks and disable the worker taskqueue */
350 hpt_stop_tasks(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 hpt_lock_vbus(vbus_ext);
364 ldm_shutdown(vbus);
365 hpt_unlock_vbus(vbus_ext);
366
367 ldm_release_vbus(vbus);
368
369 for (hba=vbus_ext->hba_list; hba; hba=hba->next)
370 bus_teardown_intr(hba->pcidev, hba->irq_res, hba->irq_handle);
371
372 hpt_free_mem(vbus_ext);
373
374 while ((hba=vbus_ext->hba_list)) {
375 vbus_ext->hba_list = hba->next;
376 free(hba->ldm_adapter.him_handle, M_DEVBUF);
377 }
378
379 free(vbus_ext, M_DEVBUF);
380 KdPrint(("hpt_shutdown_vbus done"));
381 }
382
383 static void __hpt_do_tasks(PVBUS_EXT vbus_ext)
384 {
385 OSM_TASK *tasks;
386
387 tasks = vbus_ext->tasks;
388 vbus_ext->tasks = 0;
389
390 while (tasks) {
391 OSM_TASK *t = tasks;
392 tasks = t->next;
393 t->next = 0;
394 t->func(vbus_ext->vbus, t->data);
395 }
396 }
397
398 static void hpt_do_tasks(PVBUS_EXT vbus_ext, int pending)
399 {
400 if(vbus_ext){
401 hpt_lock_vbus(vbus_ext);
402 __hpt_do_tasks(vbus_ext);
403 hpt_unlock_vbus(vbus_ext);
404 }
405 }
406
407 static void hpt_action(struct cam_sim *sim, union ccb *ccb);
408 static void hpt_poll(struct cam_sim *sim);
409 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg);
410 static void hpt_pci_intr(void *arg);
411
412 static __inline POS_CMDEXT cmdext_get(PVBUS_EXT vbus_ext)
413 {
414 POS_CMDEXT p = vbus_ext->cmdext_list;
415 if (p)
416 vbus_ext->cmdext_list = p->next;
417 return p;
418 }
419
420 static __inline void cmdext_put(POS_CMDEXT p)
421 {
422 p->next = p->vbus_ext->cmdext_list;
423 p->vbus_ext->cmdext_list = p;
424 }
425
426 static void hpt_timeout(void *arg)
427 {
428 PCOMMAND pCmd = (PCOMMAND)arg;
429 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
430
431 KdPrint(("pCmd %p timeout", pCmd));
432
433 ldm_reset_vbus((PVBUS)ext->vbus_ext->vbus);
434 }
435
436 static void os_cmddone(PCOMMAND pCmd)
437 {
438 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
439 union ccb *ccb = ext->ccb;
440
441 KdPrint(("os_cmddone(%p, %d)", pCmd, pCmd->Result));
442
443 untimeout(hpt_timeout, pCmd, ext->timeout_ch);
444
445 switch(pCmd->Result) {
446 case RETURN_SUCCESS:
447 ccb->ccb_h.status = CAM_REQ_CMP;
448 break;
449 case RETURN_BAD_DEVICE:
450 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
451 break;
452 case RETURN_DEVICE_BUSY:
453 ccb->ccb_h.status = CAM_BUSY;
454 break;
455 case RETURN_INVALID_REQUEST:
456 ccb->ccb_h.status = CAM_REQ_INVALID;
457 break;
458 case RETURN_SELECTION_TIMEOUT:
459 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
460 break;
461 case RETURN_RETRY:
462 ccb->ccb_h.status = CAM_BUSY;
463 break;
464 default:
465 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR;
466 break;
467 }
468
469 if (pCmd->flags.data_in) {
470 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTREAD);
471 }
472 else if (pCmd->flags.data_out) {
473 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTWRITE);
474 }
475
476 bus_dmamap_unload(ext->vbus_ext->io_dmat, ext->dma_map);
477
478 cmdext_put(ext);
479 ldm_free_cmds(pCmd);
480 xpt_done(ccb);
481 }
482
483 static int os_buildsgl(PCOMMAND pCmd, PSG pSg, int logical)
484 {
485
486 /* since we have provided physical sg, nobody will ask us to build physical sg */
487 HPT_ASSERT(0);
488 return FALSE;
489 }
490
491 static void hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
492 {
493 PCOMMAND pCmd = (PCOMMAND)arg;
494 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
495 PSG psg = pCmd->psg;
496 int idx;
497
498 HPT_ASSERT(pCmd->flags.physical_sg);
499
500 if (error)
501 panic("busdma error");
502
503 HPT_ASSERT(nsegs<=os_max_sg_descriptors);
504
505 if (nsegs != 0) {
506 for (idx = 0; idx < nsegs; idx++, psg++) {
507 psg->addr.bus = segs[idx].ds_addr;
508 psg->size = segs[idx].ds_len;
509 psg->eot = 0;
510 }
511 psg[-1].eot = 1;
512
513 if (pCmd->flags.data_in) {
514 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map,
515 BUS_DMASYNC_PREREAD);
516 }
517 else if (pCmd->flags.data_out) {
518 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map,
519 BUS_DMASYNC_PREWRITE);
520 }
521 }
522 ext->timeout_ch = timeout(hpt_timeout, pCmd, HPT_OSM_TIMEOUT);
523 ldm_queue_cmd(pCmd);
524 }
525
526 static void hpt_scsi_io(PVBUS_EXT vbus_ext, union ccb *ccb)
527 {
528 PVBUS vbus = (PVBUS)vbus_ext->vbus;
529 PVDEV vd;
530 PCOMMAND pCmd;
531 POS_CMDEXT ext;
532 HPT_U8 *cdb;
533
534 if (ccb->ccb_h.flags & CAM_CDB_POINTER)
535 cdb = ccb->csio.cdb_io.cdb_ptr;
536 else
537 cdb = ccb->csio.cdb_io.cdb_bytes;
538
539 KdPrint(("hpt_scsi_io: ccb %x id %d lun %d cdb %x-%x-%x",
540 ccb,
541 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
542 *(HPT_U32 *)&cdb[0], *(HPT_U32 *)&cdb[4], *(HPT_U32 *)&cdb[8]
543 ));
544
545 /* ccb->ccb_h.path_id is not our bus id - don't check it */
546 if (ccb->ccb_h.target_lun != 0 ||
547 ccb->ccb_h.target_id >= osm_max_targets ||
548 (ccb->ccb_h.flags & CAM_CDB_PHYS))
549 {
550 ccb->ccb_h.status = CAM_TID_INVALID;
551 xpt_done(ccb);
552 return;
553 }
554
555 vd = ldm_find_target(vbus, ccb->ccb_h.target_id);
556
557 if (!vd) {
558 ccb->ccb_h.status = CAM_TID_INVALID;
559 xpt_done(ccb);
560 return;
561 }
562
563 switch (cdb[0]) {
564 case TEST_UNIT_READY:
565 case START_STOP_UNIT:
566 case SYNCHRONIZE_CACHE:
567 ccb->ccb_h.status = CAM_REQ_CMP;
568 break;
569
570 case INQUIRY:
571 {
572 PINQUIRYDATA inquiryData;
573 memset(ccb->csio.data_ptr, 0, ccb->csio.dxfer_len);
574 inquiryData = (PINQUIRYDATA)ccb->csio.data_ptr;
575
576 inquiryData->AdditionalLength = 31;
577 inquiryData->CommandQueue = 1;
578 memcpy(&inquiryData->VendorId, "HPT ", 8);
579 memcpy(&inquiryData->ProductId, "DISK 0_0 ", 16);
580
581 if (vd->target_id / 10) {
582 inquiryData->ProductId[7] = (vd->target_id % 100) / 10 + '';
583 inquiryData->ProductId[8] = (vd->target_id % 100) % 10 + '';
584 }
585 else
586 inquiryData->ProductId[7] = (vd->target_id % 100) % 10 + '';
587
588 memcpy(&inquiryData->ProductRevisionLevel, "4.00", 4);
589
590 ccb->ccb_h.status = CAM_REQ_CMP;
591 }
592 break;
593
594 case READ_CAPACITY:
595 {
596 HPT_U8 *rbuf = ccb->csio.data_ptr;
597 HPT_U32 cap;
598
599 if (vd->capacity>0xfffffffful)
600 cap = 0xfffffffful;
601 else
602 cap = vd->capacity - 1;
603
604 rbuf[0] = (HPT_U8)(cap>>24);
605 rbuf[1] = (HPT_U8)(cap>>16);
606 rbuf[2] = (HPT_U8)(cap>>8);
607 rbuf[3] = (HPT_U8)cap;
608 rbuf[4] = 0;
609 rbuf[5] = 0;
610 rbuf[6] = 2;
611 rbuf[7] = 0;
612
613 ccb->ccb_h.status = CAM_REQ_CMP;
614 break;
615 }
616
617 case SERVICE_ACTION_IN:
618 {
619 HPT_U8 *rbuf = ccb->csio.data_ptr;
620 HPT_U64 cap = vd->capacity - 1;
621
622 rbuf[0] = (HPT_U8)(cap>>56);
623 rbuf[1] = (HPT_U8)(cap>>48);
624 rbuf[2] = (HPT_U8)(cap>>40);
625 rbuf[3] = (HPT_U8)(cap>>32);
626 rbuf[4] = (HPT_U8)(cap>>24);
627 rbuf[5] = (HPT_U8)(cap>>16);
628 rbuf[6] = (HPT_U8)(cap>>8);
629 rbuf[7] = (HPT_U8)cap;
630 rbuf[8] = 0;
631 rbuf[9] = 0;
632 rbuf[10] = 2;
633 rbuf[11] = 0;
634
635 ccb->ccb_h.status = CAM_REQ_CMP;
636 break;
637 }
638
639 case READ_6:
640 case READ_10:
641 case READ_16:
642 case WRITE_6:
643 case WRITE_10:
644 case WRITE_16:
645 case 0x13:
646 case 0x2f:
647 {
648 int error;
649
650 pCmd = ldm_alloc_cmds(vbus, vd->cmds_per_request);
651 if(!pCmd){
652 KdPrint(("Failed to allocate command!"));
653 ccb->ccb_h.status = CAM_BUSY;
654 break;
655 }
656
657 switch (cdb[0]) {
658 case READ_6:
659 case WRITE_6:
660 case 0x13:
661 pCmd->uCmd.Ide.Lba = ((HPT_U32)cdb[1] << 16) | ((HPT_U32)cdb[2] << 8) | (HPT_U32)cdb[3];
662 pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[4];
663 break;
664 case READ_16:
665 case WRITE_16:
666 {
667 HPT_U64 block =
668 ((HPT_U64)cdb[2]<<56) |
669 ((HPT_U64)cdb[3]<<48) |
670 ((HPT_U64)cdb[4]<<40) |
671 ((HPT_U64)cdb[5]<<32) |
672 ((HPT_U64)cdb[6]<<24) |
673 ((HPT_U64)cdb[7]<<16) |
674 ((HPT_U64)cdb[8]<<8) |
675 ((HPT_U64)cdb[9]);
676 pCmd->uCmd.Ide.Lba = block;
677 pCmd->uCmd.Ide.nSectors = (HPT_U16)cdb[13] | ((HPT_U16)cdb[12]<<8);
678 break;
679 }
680
681 default:
682 pCmd->uCmd.Ide.Lba = (HPT_U32)cdb[5] | ((HPT_U32)cdb[4] << 8) | ((HPT_U32)cdb[3] << 16) | ((HPT_U32)cdb[2] << 24);
683 pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[8] | ((HPT_U16)cdb[7]<<8);
684 break;
685 }
686
687 switch (cdb[0]) {
688 case READ_6:
689 case READ_10:
690 case READ_16:
691 pCmd->flags.data_in = 1;
692 break;
693 case WRITE_6:
694 case WRITE_10:
695 case WRITE_16:
696 pCmd->flags.data_out = 1;
697 break;
698 }
699 pCmd->priv = ext = cmdext_get(vbus_ext);
700 HPT_ASSERT(ext);
701 ext->ccb = ccb;
702 pCmd->target = vd;
703 pCmd->done = os_cmddone;
704 pCmd->buildsgl = os_buildsgl;
705 pCmd->psg = ext->psg;
706 pCmd->flags.physical_sg = 1;
707 error = bus_dmamap_load_ccb(vbus_ext->io_dmat,
708 ext->dma_map,
709 ccb,
710 hpt_io_dmamap_callback, pCmd,
711 BUS_DMA_WAITOK
712 );
713 KdPrint(("bus_dmamap_load return %d", error));
714 if (error && error!=EINPROGRESS) {
715 os_printk("bus_dmamap_load error %d", error);
716 cmdext_put(ext);
717 ldm_free_cmds(pCmd);
718 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
719 xpt_done(ccb);
720 }
721 return;
722 }
723
724 default:
725 ccb->ccb_h.status = CAM_REQ_INVALID;
726 break;
727 }
728
729 xpt_done(ccb);
730 return;
731 }
732
733 static void hpt_action(struct cam_sim *sim, union ccb *ccb)
734 {
735 PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim);
736
737 KdPrint(("hpt_action(fn=%d, id=%d)", ccb->ccb_h.func_code, ccb->ccb_h.target_id));
738
739 switch (ccb->ccb_h.func_code) {
740
741 case XPT_SCSI_IO:
742 hpt_lock_vbus(vbus_ext);
743 hpt_scsi_io(vbus_ext, ccb);
744 hpt_unlock_vbus(vbus_ext);
745 return;
746
747 case XPT_RESET_BUS:
748 hpt_lock_vbus(vbus_ext);
749 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
750 hpt_unlock_vbus(vbus_ext);
751 break;
752
753 case XPT_GET_TRAN_SETTINGS:
754 case XPT_SET_TRAN_SETTINGS:
755 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
756 break;
757
758 case XPT_CALC_GEOMETRY:
759 #if __FreeBSD_version >= 500000
760 cam_calc_geometry(&ccb->ccg, 1);
761 #else
762 ccb->ccg.heads = 255;
763 ccb->ccg.secs_per_track = 63;
764 ccb->ccg.cylinders = ccb->ccg.volume_size / (ccb->ccg.heads * ccb->ccg.secs_per_track);
765 ccb->ccb_h.status = CAM_REQ_CMP;
766 #endif
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 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
786 strncpy(cpi->hba_vid, "HPT ", HBA_IDLEN);
787 strncpy(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
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
813 static void hpt_poll(struct cam_sim *sim)
814 {
815 hpt_pci_intr(cam_sim_softc(sim));
816 }
817
818 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg)
819 {
820 KdPrint(("hpt_async"));
821 }
822
823 static int hpt_shutdown(device_t dev)
824 {
825 KdPrint(("hpt_shutdown(dev=%p)", dev));
826 return 0;
827 }
828
829 static int hpt_detach(device_t dev)
830 {
831 /* we don't allow the driver to be unloaded. */
832 return EBUSY;
833 }
834
835 static void hpt_ioctl_done(struct _IOCTL_ARG *arg)
836 {
837 arg->ioctl_cmnd = 0;
838 wakeup(arg);
839 }
840
841 static void __hpt_do_ioctl(PVBUS_EXT vbus_ext, IOCTL_ARG *ioctl_args)
842 {
843 ioctl_args->result = -1;
844 ioctl_args->done = hpt_ioctl_done;
845 ioctl_args->ioctl_cmnd = (void *)1;
846
847 hpt_lock_vbus(vbus_ext);
848 ldm_ioctl((PVBUS)vbus_ext->vbus, ioctl_args);
849
850 while (ioctl_args->ioctl_cmnd) {
851 if (hpt_sleep(vbus_ext, ioctl_args, PPAUSE, "hptctl", HPT_OSM_TIMEOUT)==0)
852 break;
853 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
854 __hpt_do_tasks(vbus_ext);
855 }
856
857 /* KdPrint(("ioctl %x result %d", ioctl_args->dwIoControlCode, ioctl_args->result)); */
858
859 hpt_unlock_vbus(vbus_ext);
860 }
861
862 static void hpt_do_ioctl(IOCTL_ARG *ioctl_args)
863 {
864 PVBUS vbus;
865 PVBUS_EXT vbus_ext;
866
867 ldm_for_each_vbus(vbus, vbus_ext) {
868 __hpt_do_ioctl(vbus_ext, ioctl_args);
869 if (ioctl_args->result!=HPT_IOCTL_RESULT_WRONG_VBUS)
870 return;
871 }
872 }
873
874 #define HPT_DO_IOCTL(code, inbuf, insize, outbuf, outsize) ({\
875 IOCTL_ARG arg;\
876 arg.dwIoControlCode = code;\
877 arg.lpInBuffer = inbuf;\
878 arg.lpOutBuffer = outbuf;\
879 arg.nInBufferSize = insize;\
880 arg.nOutBufferSize = outsize;\
881 arg.lpBytesReturned = 0;\
882 hpt_do_ioctl(&arg);\
883 arg.result;\
884 })
885
886 #define DEVICEID_VALID(id) ((id) && ((HPT_U32)(id)!=0xffffffff))
887
888 static int hpt_get_logical_devices(DEVICEID * pIds, int nMaxCount)
889 {
890 int i;
891 HPT_U32 count = nMaxCount-1;
892
893 if (HPT_DO_IOCTL(HPT_IOCTL_GET_LOGICAL_DEVICES,
894 &count, sizeof(HPT_U32), pIds, sizeof(DEVICEID)*nMaxCount))
895 return -1;
896
897 nMaxCount = (int)pIds[0];
898 for (i=0; i<nMaxCount; i++) pIds[i] = pIds[i+1];
899 return nMaxCount;
900 }
901
902 static int hpt_get_device_info_v3(DEVICEID id, PLOGICAL_DEVICE_INFO_V3 pInfo)
903 {
904 return HPT_DO_IOCTL(HPT_IOCTL_GET_DEVICE_INFO_V3,
905 &id, sizeof(DEVICEID), pInfo, sizeof(LOGICAL_DEVICE_INFO_V3));
906 }
907
908 /* not belong to this file logically, but we want to use ioctl interface */
909 static int __hpt_stop_tasks(PVBUS_EXT vbus_ext, DEVICEID id)
910 {
911 LOGICAL_DEVICE_INFO_V3 devinfo;
912 int i, result;
913 DEVICEID param[2] = { id, 0 };
914
915 if (hpt_get_device_info_v3(id, &devinfo))
916 return -1;
917
918 if (devinfo.Type!=LDT_ARRAY)
919 return -1;
920
921 if (devinfo.u.array.Flags & ARRAY_FLAG_REBUILDING)
922 param[1] = AS_REBUILD_ABORT;
923 else if (devinfo.u.array.Flags & ARRAY_FLAG_VERIFYING)
924 param[1] = AS_VERIFY_ABORT;
925 else if (devinfo.u.array.Flags & ARRAY_FLAG_INITIALIZING)
926 param[1] = AS_INITIALIZE_ABORT;
927 else if (devinfo.u.array.Flags & ARRAY_FLAG_TRANSFORMING)
928 param[1] = AS_TRANSFORM_ABORT;
929 else
930 return -1;
931
932 KdPrint(("SET_ARRAY_STATE(%x, %d)", param[0], param[1]));
933 result = HPT_DO_IOCTL(HPT_IOCTL_SET_ARRAY_STATE,
934 param, sizeof(param), 0, 0);
935
936 for (i=0; i<devinfo.u.array.nDisk; i++)
937 if (DEVICEID_VALID(devinfo.u.array.Members[i]))
938 __hpt_stop_tasks(vbus_ext, devinfo.u.array.Members[i]);
939
940 return result;
941 }
942
943 static void hpt_stop_tasks(PVBUS_EXT vbus_ext)
944 {
945 DEVICEID ids[32];
946 int i, count;
947
948 count = hpt_get_logical_devices((DEVICEID *)&ids, sizeof(ids)/sizeof(ids[0]));
949
950 for (i=0; i<count; i++)
951 __hpt_stop_tasks(vbus_ext, ids[i]);
952 }
953
954 static d_open_t hpt_open;
955 static d_close_t hpt_close;
956 static d_ioctl_t hpt_ioctl;
957 static int hpt_rescan_bus(void);
958
959 static struct cdevsw hpt_cdevsw = {
960 .d_open = hpt_open,
961 .d_close = hpt_close,
962 .d_ioctl = hpt_ioctl,
963 .d_name = driver_name,
964 #if __FreeBSD_version>=503000
965 .d_version = D_VERSION,
966 #endif
967 #if (__FreeBSD_version>=503000 && __FreeBSD_version<600034)
968 .d_flags = D_NEEDGIANT,
969 #endif
970 #if __FreeBSD_version<600034
971 #if __FreeBSD_version>501000
972 .d_maj = MAJOR_AUTO,
973 #else
974 .d_maj = HPT_DEV_MAJOR,
975 #endif
976 #endif
977 };
978
979 static struct intr_config_hook hpt_ich;
980
981 /*
982 * hpt_final_init will be called after all hpt_attach.
983 */
984 static void hpt_final_init(void *dummy)
985 {
986 int i;
987 PVBUS_EXT vbus_ext;
988 PVBUS vbus;
989 PHBA hba;
990
991 /* Clear the config hook */
992 config_intrhook_disestablish(&hpt_ich);
993
994 /* allocate memory */
995 i = 0;
996 ldm_for_each_vbus(vbus, vbus_ext) {
997 if (hpt_alloc_mem(vbus_ext)) {
998 os_printk("out of memory");
999 return;
1000 }
1001 i++;
1002 }
1003
1004 if (!i) {
1005 if (bootverbose)
1006 os_printk("no controller detected.");
1007 return;
1008 }
1009
1010 /* initializing hardware */
1011 ldm_for_each_vbus(vbus, vbus_ext) {
1012 /* make timer available here */
1013 callout_handle_init(&vbus_ext->timer);
1014 if (hpt_init_vbus(vbus_ext)) {
1015 os_printk("fail to initialize hardware");
1016 break; /* FIXME */
1017 }
1018 }
1019
1020 /* register CAM interface */
1021 ldm_for_each_vbus(vbus, vbus_ext) {
1022 struct cam_devq *devq;
1023 struct ccb_setasync ccb;
1024
1025 #if (__FreeBSD_version >= 500000)
1026 mtx_init(&vbus_ext->lock, "hptsleeplock", NULL, MTX_DEF);
1027 #endif
1028 if (bus_dma_tag_create(NULL,/* parent */
1029 4, /* alignment */
1030 BUS_SPACE_MAXADDR_32BIT+1, /* boundary */
1031 BUS_SPACE_MAXADDR, /* lowaddr */
1032 BUS_SPACE_MAXADDR, /* highaddr */
1033 NULL, NULL, /* filter, filterarg */
1034 PAGE_SIZE * (os_max_sg_descriptors-1), /* maxsize */
1035 os_max_sg_descriptors, /* nsegments */
1036 0x10000, /* maxsegsize */
1037 BUS_DMA_WAITOK, /* flags */
1038 #if __FreeBSD_version>502000
1039 busdma_lock_mutex, /* lockfunc */
1040 &vbus_ext->lock, /* lockfuncarg */
1041 #endif
1042 &vbus_ext->io_dmat /* tag */))
1043 {
1044 return ;
1045 }
1046
1047 for (i=0; i<os_max_queue_comm; i++) {
1048 POS_CMDEXT ext = (POS_CMDEXT)malloc(sizeof(OS_CMDEXT), M_DEVBUF, M_WAITOK);
1049 if (!ext) {
1050 os_printk("Can't alloc cmdext(%d)", i);
1051 return ;
1052 }
1053 ext->vbus_ext = vbus_ext;
1054 ext->next = vbus_ext->cmdext_list;
1055 vbus_ext->cmdext_list = ext;
1056
1057 if (bus_dmamap_create(vbus_ext->io_dmat, 0, &ext->dma_map)) {
1058 os_printk("Can't create dma map(%d)", i);
1059 return ;
1060 }
1061 callout_handle_init(&ext->timeout_ch);
1062 }
1063
1064 if ((devq = cam_simq_alloc(os_max_queue_comm)) == NULL) {
1065 os_printk("cam_simq_alloc failed");
1066 return ;
1067 }
1068
1069 #if __FreeBSD_version > 700025
1070 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name,
1071 vbus_ext, 0, &Giant, os_max_queue_comm, /*tagged*/8, devq);
1072 #else
1073 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name,
1074 vbus_ext, 0, os_max_queue_comm, /*tagged*/8, devq);
1075 #endif
1076
1077 if (!vbus_ext->sim) {
1078 os_printk("cam_sim_alloc failed");
1079 cam_simq_free(devq);
1080 return ;
1081 }
1082
1083 #if __FreeBSD_version > 700044
1084 if (xpt_bus_register(vbus_ext->sim, NULL, 0) != CAM_SUCCESS) {
1085 #else
1086 if (xpt_bus_register(vbus_ext->sim, 0) != CAM_SUCCESS) {
1087 #endif
1088 os_printk("xpt_bus_register failed");
1089 cam_sim_free(vbus_ext->sim, /*free devq*/ TRUE);
1090 vbus_ext->sim = NULL;
1091 return ;
1092 }
1093
1094 if (xpt_create_path(&vbus_ext->path, /*periph */ NULL,
1095 cam_sim_path(vbus_ext->sim), CAM_TARGET_WILDCARD,
1096 CAM_LUN_WILDCARD) != CAM_REQ_CMP)
1097 {
1098 os_printk("xpt_create_path failed");
1099 xpt_bus_deregister(cam_sim_path(vbus_ext->sim));
1100 cam_sim_free(vbus_ext->sim, /*free_devq*/TRUE);
1101 vbus_ext->sim = NULL;
1102 return ;
1103 }
1104
1105 xpt_setup_ccb(&ccb.ccb_h, vbus_ext->path, /*priority*/5);
1106 ccb.ccb_h.func_code = XPT_SASYNC_CB;
1107 ccb.event_enable = AC_LOST_DEVICE;
1108 ccb.callback = hpt_async;
1109 ccb.callback_arg = vbus_ext;
1110 xpt_action((union ccb *)&ccb);
1111
1112 for (hba = vbus_ext->hba_list; hba; hba = hba->next) {
1113 int rid = 0;
1114 if ((hba->irq_res = bus_alloc_resource(hba->pcidev,
1115 SYS_RES_IRQ, &rid, 0, ~0ul, 1, RF_SHAREABLE | RF_ACTIVE)) == NULL)
1116 {
1117 os_printk("can't allocate interrupt");
1118 return ;
1119 }
1120
1121 if (bus_setup_intr(hba->pcidev, hba->irq_res, INTR_TYPE_CAM,
1122 #if __FreeBSD_version > 700025
1123 NULL, hpt_pci_intr, vbus_ext, &hba->irq_handle))
1124 #else
1125 hpt_pci_intr, vbus_ext, &hba->irq_handle))
1126 #endif
1127 {
1128 os_printk("can't set up interrupt");
1129 return ;
1130 }
1131 hba->ldm_adapter.him->intr_control(hba->ldm_adapter.him_handle, HPT_TRUE);
1132 }
1133
1134 vbus_ext->shutdown_eh = EVENTHANDLER_REGISTER(shutdown_final,
1135 hpt_shutdown_vbus, vbus_ext, SHUTDOWN_PRI_DEFAULT);
1136 if (!vbus_ext->shutdown_eh)
1137 os_printk("Shutdown event registration failed");
1138 }
1139
1140 ldm_for_each_vbus(vbus, vbus_ext) {
1141 TASK_INIT(&vbus_ext->worker, 0, (task_fn_t *)hpt_do_tasks, vbus_ext);
1142 if (vbus_ext->tasks)
1143 TASK_ENQUEUE(&vbus_ext->worker);
1144 }
1145
1146 make_dev(&hpt_cdevsw, DRIVER_MINOR, UID_ROOT, GID_OPERATOR,
1147 S_IRUSR | S_IWUSR, "%s", driver_name);
1148 }
1149
1150 #if defined(KLD_MODULE) && (__FreeBSD_version >= 503000)
1151
1152 typedef struct driverlink *driverlink_t;
1153 struct driverlink {
1154 kobj_class_t driver;
1155 TAILQ_ENTRY(driverlink) link; /* list of drivers in devclass */
1156 };
1157
1158 typedef TAILQ_HEAD(driver_list, driverlink) driver_list_t;
1159
1160 struct devclass {
1161 TAILQ_ENTRY(devclass) link;
1162 devclass_t parent; /* parent in devclass hierarchy */
1163 driver_list_t drivers; /* bus devclasses store drivers for bus */
1164 char *name;
1165 device_t *devices; /* array of devices indexed by unit */
1166 int maxunit; /* size of devices array */
1167 };
1168
1169 static void override_kernel_driver(void)
1170 {
1171 driverlink_t dl, dlfirst;
1172 driver_t *tmpdriver;
1173 devclass_t dc = devclass_find("pci");
1174
1175 if (dc){
1176 dlfirst = TAILQ_FIRST(&dc->drivers);
1177 for (dl = dlfirst; dl; dl = TAILQ_NEXT(dl, link)) {
1178 if(strcmp(dl->driver->name, driver_name) == 0) {
1179 tmpdriver=dl->driver;
1180 dl->driver=dlfirst->driver;
1181 dlfirst->driver=tmpdriver;
1182 break;
1183 }
1184 }
1185 }
1186 }
1187
1188 #else
1189 #define override_kernel_driver()
1190 #endif
1191
1192 static void hpt_init(void *dummy)
1193 {
1194 if (bootverbose)
1195 os_printk("%s %s", driver_name_long, driver_ver);
1196
1197 override_kernel_driver();
1198 init_config();
1199
1200 hpt_ich.ich_func = hpt_final_init;
1201 hpt_ich.ich_arg = NULL;
1202 if (config_intrhook_establish(&hpt_ich) != 0) {
1203 printf("%s: cannot establish configuration hook\n",
1204 driver_name_long);
1205 }
1206
1207 }
1208 SYSINIT(hptinit, SI_SUB_CONFIGURE, SI_ORDER_FIRST, hpt_init, NULL);
1209
1210 /*
1211 * CAM driver interface
1212 */
1213 static device_method_t driver_methods[] = {
1214 /* Device interface */
1215 DEVMETHOD(device_probe, hpt_probe),
1216 DEVMETHOD(device_attach, hpt_attach),
1217 DEVMETHOD(device_detach, hpt_detach),
1218 DEVMETHOD(device_shutdown, hpt_shutdown),
1219 DEVMETHOD_END
1220 };
1221
1222 static driver_t hpt_pci_driver = {
1223 driver_name,
1224 driver_methods,
1225 sizeof(HBA)
1226 };
1227
1228 static devclass_t hpt_devclass;
1229
1230 #ifndef TARGETNAME
1231 #error "no TARGETNAME found"
1232 #endif
1233
1234 /* use this to make TARGETNAME be expanded */
1235 #define __DRIVER_MODULE(p1, p2, p3, p4, p5, p6) DRIVER_MODULE(p1, p2, p3, p4, p5, p6)
1236 #define __MODULE_VERSION(p1, p2) MODULE_VERSION(p1, p2)
1237 #define __MODULE_DEPEND(p1, p2, p3, p4, p5) MODULE_DEPEND(p1, p2, p3, p4, p5)
1238 __DRIVER_MODULE(TARGETNAME, pci, hpt_pci_driver, hpt_devclass, 0, 0);
1239 __MODULE_VERSION(TARGETNAME, 1);
1240 __MODULE_DEPEND(TARGETNAME, cam, 1, 1, 1);
1241
1242 #if __FreeBSD_version>503000
1243 typedef struct cdev * ioctl_dev_t;
1244 #else
1245 typedef dev_t ioctl_dev_t;
1246 #endif
1247
1248 #if __FreeBSD_version >= 500000
1249 typedef struct thread * ioctl_thread_t;
1250 #else
1251 typedef struct proc * ioctl_thread_t;
1252 #endif
1253
1254 static int hpt_open(ioctl_dev_t dev, int flags, int devtype, ioctl_thread_t td)
1255 {
1256 return 0;
1257 }
1258
1259 static int hpt_close(ioctl_dev_t dev, int flags, int devtype, ioctl_thread_t td)
1260 {
1261 return 0;
1262 }
1263
1264 static int hpt_ioctl(ioctl_dev_t dev, u_long cmd, caddr_t data, int fflag, ioctl_thread_t td)
1265 {
1266 PHPT_IOCTL_PARAM piop=(PHPT_IOCTL_PARAM)data;
1267 IOCTL_ARG ioctl_args;
1268 HPT_U32 bytesReturned;
1269
1270 switch (cmd){
1271 case HPT_DO_IOCONTROL:
1272 {
1273 if (piop->Magic == HPT_IOCTL_MAGIC || piop->Magic == HPT_IOCTL_MAGIC32) {
1274 KdPrint(("ioctl=%x in=%p len=%d out=%p len=%d\n",
1275 piop->dwIoControlCode,
1276 piop->lpInBuffer,
1277 piop->nInBufferSize,
1278 piop->lpOutBuffer,
1279 piop->nOutBufferSize));
1280
1281 memset(&ioctl_args, 0, sizeof(ioctl_args));
1282
1283 ioctl_args.dwIoControlCode = piop->dwIoControlCode;
1284 ioctl_args.nInBufferSize = piop->nInBufferSize;
1285 ioctl_args.nOutBufferSize = piop->nOutBufferSize;
1286 ioctl_args.lpBytesReturned = &bytesReturned;
1287
1288 if (ioctl_args.nInBufferSize) {
1289 ioctl_args.lpInBuffer = malloc(ioctl_args.nInBufferSize, M_DEVBUF, M_WAITOK);
1290 if (!ioctl_args.lpInBuffer)
1291 goto invalid;
1292 if (copyin((void*)piop->lpInBuffer,
1293 ioctl_args.lpInBuffer, piop->nInBufferSize))
1294 goto invalid;
1295 }
1296
1297 if (ioctl_args.nOutBufferSize) {
1298 ioctl_args.lpOutBuffer = malloc(ioctl_args.nOutBufferSize, M_DEVBUF, M_WAITOK);
1299 if (!ioctl_args.lpOutBuffer)
1300 goto invalid;
1301 }
1302
1303 #if (__FreeBSD_version >= 500000)
1304 mtx_lock(&Giant);
1305 #endif
1306
1307 hpt_do_ioctl(&ioctl_args);
1308
1309 #if (__FreeBSD_version >= 500000)
1310 mtx_unlock(&Giant);
1311 #endif
1312
1313 if (ioctl_args.result==HPT_IOCTL_RESULT_OK) {
1314 if (piop->nOutBufferSize) {
1315 if (copyout(ioctl_args.lpOutBuffer,
1316 (void*)piop->lpOutBuffer, piop->nOutBufferSize))
1317 goto invalid;
1318 }
1319 if (piop->lpBytesReturned) {
1320 if (copyout(&bytesReturned,
1321 (void*)piop->lpBytesReturned, sizeof(HPT_U32)))
1322 goto invalid;
1323 }
1324 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF);
1325 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF);
1326 return 0;
1327 }
1328 invalid:
1329 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF);
1330 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF);
1331 return EFAULT;
1332 }
1333 return EFAULT;
1334 }
1335
1336 case HPT_SCAN_BUS:
1337 {
1338 return hpt_rescan_bus();
1339 }
1340 default:
1341 KdPrint(("invalid command!"));
1342 return EFAULT;
1343 }
1344
1345 }
1346
1347 static int hpt_rescan_bus(void)
1348 {
1349 union ccb *ccb;
1350 PVBUS vbus;
1351 PVBUS_EXT vbus_ext;
1352
1353 #if (__FreeBSD_version >= 500000)
1354 mtx_lock(&Giant);
1355 #endif
1356
1357 ldm_for_each_vbus(vbus, vbus_ext) {
1358 if ((ccb = xpt_alloc_ccb()) == NULL)
1359 return(ENOMEM);
1360 if (xpt_create_path(&ccb->ccb_h.path, NULL,
1361 cam_sim_path(vbus_ext->sim),
1362 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
1363 xpt_free_ccb(ccb);
1364 return(EIO);
1365 }
1366 xpt_rescan(ccb);
1367 }
1368
1369 #if (__FreeBSD_version >= 500000)
1370 mtx_unlock(&Giant);
1371 #endif
1372
1373 return(0);
1374 }
Cache object: 2785495b51d14d5e98997313116f4e46
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