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 * $FreeBSD: head/sys/dev/hptrr/hptrr_osm_bsd.c 313554 2017-02-10 15:18:41Z pfg $
27 */
28
29 #include <dev/raid/hptrr/hptrr_config.h>
30 /* $Id: osm_bsd.c,v 1.27 2007/11/22 07:35:49 gmm Exp $
31 *
32 * HighPoint RAID Driver for FreeBSD
33 * Copyright (C) 2005 HighPoint Technologies, Inc. All Rights Reserved.
34 */
35 #include <dev/raid/hptrr/os_bsd.h>
36 #include <dev/raid/hptrr/hptintf.h>
37
38 static int attach_generic = 0;
39 TUNABLE_INT("hw.hptrr.attach_generic", &attach_generic);
40
hpt_match(device_t dev)41 static HIM *hpt_match(device_t dev)
42 {
43 PCI_ID pci_id;
44 int i;
45 HIM *him;
46
47 /* Some of supported chips are used not only by HPT. */
48 if (pci_get_vendor(dev) != 0x1103 && !attach_generic)
49 return (NULL);
50 for (him = him_list; him; him = him->next) {
51 for (i=0; him->get_supported_device_id(i, &pci_id); i++) {
52 if ((pci_get_vendor(dev) == pci_id.vid) &&
53 (pci_get_device(dev) == pci_id.did)){
54 return (him);
55 }
56 }
57 }
58 return (NULL);
59 }
60
hpt_probe(device_t dev)61 static int hpt_probe(device_t dev)
62 {
63 HIM *him;
64
65 him = hpt_match(dev);
66 if (him != NULL) {
67 KdPrint(("hpt_probe: adapter at PCI %d:%d:%d, IRQ %d",
68 pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev), pci_get_irq(dev)
69 ));
70 device_set_desc(dev, him->name);
71 return (BUS_PROBE_DEFAULT);
72 }
73
74 return (ENXIO);
75 }
76
hpt_attach(device_t dev)77 static int hpt_attach(device_t dev)
78 {
79 PHBA hba = (PHBA)device_get_softc(dev);
80 HIM *him;
81 PCI_ID pci_id;
82 HPT_UINT size;
83 PVBUS vbus;
84 PVBUS_EXT vbus_ext;
85
86 KdPrint(("hpt_attach(%d/%d/%d)", pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev)));
87
88 him = hpt_match(dev);
89 hba->ext_type = EXT_TYPE_HBA;
90 hba->ldm_adapter.him = him;
91
92 pci_enable_busmaster(dev);
93
94 pci_id.vid = pci_get_vendor(dev);
95 pci_id.did = pci_get_device(dev);
96 pci_id.rev = pci_get_revid(dev);
97
98 size = him->get_adapter_size(&pci_id);
99 hba->ldm_adapter.him_handle = kmalloc(size, M_DEVBUF, M_WAITOK);
100
101 hba->pcidev = dev;
102 hba->pciaddr.tree = 0;
103 hba->pciaddr.bus = pci_get_bus(dev);
104 hba->pciaddr.device = pci_get_slot(dev);
105 hba->pciaddr.function = pci_get_function(dev);
106
107 if (!him->create_adapter(&pci_id, hba->pciaddr, hba->ldm_adapter.him_handle, hba)) {
108 kfree(hba->ldm_adapter.him_handle, M_DEVBUF);
109 return ENXIO;
110 }
111
112 os_printk("adapter at PCI %d:%d:%d, IRQ %d",
113 hba->pciaddr.bus, hba->pciaddr.device, hba->pciaddr.function, pci_get_irq(dev));
114
115 if (!ldm_register_adapter(&hba->ldm_adapter)) {
116 size = ldm_get_vbus_size();
117 vbus_ext = kmalloc(sizeof(VBUS_EXT) + size, M_DEVBUF, M_WAITOK |
118 M_ZERO);
119 vbus_ext->ext_type = EXT_TYPE_VBUS;
120 ldm_create_vbus((PVBUS)vbus_ext->vbus, vbus_ext);
121 ldm_register_adapter(&hba->ldm_adapter);
122 }
123
124 ldm_for_each_vbus(vbus, vbus_ext) {
125 if (hba->ldm_adapter.vbus==vbus) {
126 hba->vbus_ext = vbus_ext;
127 hba->next = vbus_ext->hba_list;
128 vbus_ext->hba_list = hba;
129 break;
130 }
131 }
132 return 0;
133 }
134
135 /*
136 * Maybe we'd better to use the bus_dmamem_alloc to alloc DMA memory,
137 * but there are some problems currently (alignment, etc).
138 */
__get_free_pages(int order)139 static __inline void *__get_free_pages(int order)
140 {
141 /* don't use low memory - other devices may get starved */
142 return contigmalloc(PAGE_SIZE<<order,
143 M_DEVBUF, M_WAITOK, BUS_SPACE_MAXADDR_24BIT, BUS_SPACE_MAXADDR, PAGE_SIZE, 0);
144 }
145
free_pages(void * p,int order)146 static __inline void free_pages(void *p, int order)
147 {
148 contigfree(p, PAGE_SIZE<<order, M_DEVBUF);
149 }
150
hpt_alloc_mem(PVBUS_EXT vbus_ext)151 static int hpt_alloc_mem(PVBUS_EXT vbus_ext)
152 {
153 PHBA hba;
154 struct freelist *f;
155 HPT_UINT i;
156 void **p;
157
158 for (hba = vbus_ext->hba_list; hba; hba = hba->next)
159 hba->ldm_adapter.him->get_meminfo(hba->ldm_adapter.him_handle);
160
161 ldm_get_mem_info((PVBUS)vbus_ext->vbus, 0);
162
163 for (f=vbus_ext->freelist_head; f; f=f->next) {
164 KdPrint(("%s: %d*%d=%d bytes",
165 f->tag, f->count, f->size, f->count*f->size));
166 for (i=0; i<f->count; i++) {
167 p = (void **)kmalloc(f->size, M_DEVBUF, M_WAITOK);
168 if (!p) return (ENXIO);
169 *p = f->head;
170 f->head = p;
171 }
172 }
173
174 for (f=vbus_ext->freelist_dma_head; f; f=f->next) {
175 int order, size, j;
176
177 HPT_ASSERT((f->size & (f->alignment-1))==0);
178
179 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1)
180 ;
181
182 KdPrint(("%s: %d*%d=%d bytes, order %d",
183 f->tag, f->count, f->size, f->count*f->size, order));
184 HPT_ASSERT(f->alignment<=PAGE_SIZE);
185
186 for (i=0; i<f->count;) {
187 p = (void **)__get_free_pages(order);
188 if (!p) return -1;
189 for (j = size/f->size; j && i<f->count; i++,j--) {
190 *p = f->head;
191 *(BUS_ADDRESS *)(p+1) = (BUS_ADDRESS)vtophys(p);
192 f->head = p;
193 p = (void **)((unsigned long)p + f->size);
194 }
195 }
196 }
197
198 HPT_ASSERT(PAGE_SIZE==DMAPOOL_PAGE_SIZE);
199
200 for (i=0; i<os_max_cache_pages; i++) {
201 p = (void **)__get_free_pages(0);
202 if (!p) return -1;
203 HPT_ASSERT(((HPT_UPTR)p & (DMAPOOL_PAGE_SIZE-1))==0);
204 dmapool_put_page((PVBUS)vbus_ext->vbus, p, (BUS_ADDRESS)vtophys(p));
205 }
206
207 return 0;
208 }
209
hpt_free_mem(PVBUS_EXT vbus_ext)210 static void hpt_free_mem(PVBUS_EXT vbus_ext)
211 {
212 struct freelist *f;
213 void *p;
214 int i;
215 BUS_ADDRESS bus;
216
217 for (f=vbus_ext->freelist_head; f; f=f->next) {
218 #if DBG
219 if (f->count!=f->reserved_count) {
220 KdPrint(("memory leak for freelist %s (%d/%d)", f->tag, f->count, f->reserved_count));
221 }
222 #endif
223 while ((p=freelist_get(f)))
224 kfree(p, M_DEVBUF);
225 }
226
227 for (i=0; i<os_max_cache_pages; i++) {
228 p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus);
229 HPT_ASSERT(p);
230 free_pages(p, 0);
231 }
232
233 for (f=vbus_ext->freelist_dma_head; f; f=f->next) {
234 int order, size;
235 #if DBG
236 if (f->count!=f->reserved_count) {
237 KdPrint(("memory leak for dma freelist %s (%d/%d)", f->tag, f->count, f->reserved_count));
238 }
239 #endif
240 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) ;
241
242 while ((p=freelist_get_dma(f, &bus))) {
243 if (order)
244 free_pages(p, order);
245 else {
246 /* can't free immediately since other blocks in this page may still be in the list */
247 if (((HPT_UPTR)p & (PAGE_SIZE-1))==0)
248 dmapool_put_page((PVBUS)vbus_ext->vbus, p, bus);
249 }
250 }
251 }
252
253 while ((p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus)))
254 free_pages(p, 0);
255 }
256
hpt_init_vbus(PVBUS_EXT vbus_ext)257 static int hpt_init_vbus(PVBUS_EXT vbus_ext)
258 {
259 PHBA hba;
260
261 for (hba = vbus_ext->hba_list; hba; hba = hba->next)
262 if (!hba->ldm_adapter.him->initialize(hba->ldm_adapter.him_handle)) {
263 KdPrint(("fail to initialize %p", hba));
264 return -1;
265 }
266
267 ldm_initialize_vbus((PVBUS)vbus_ext->vbus, &vbus_ext->hba_list->ldm_adapter);
268 return 0;
269 }
270
hpt_flush_done(PCOMMAND pCmd)271 static void hpt_flush_done(PCOMMAND pCmd)
272 {
273 PVDEV vd = pCmd->target;
274
275 if (mIsArray(vd->type) && vd->u.array.transform && vd!=vd->u.array.transform->target) {
276 vd = vd->u.array.transform->target;
277 HPT_ASSERT(vd);
278 pCmd->target = vd;
279 pCmd->Result = RETURN_PENDING;
280 vdev_queue_cmd(pCmd);
281 return;
282 }
283
284 *(int *)pCmd->priv = 1;
285 wakeup(pCmd);
286 }
287
288 /*
289 * flush a vdev (without retry).
290 */
hpt_flush_vdev(PVBUS_EXT vbus_ext,PVDEV vd)291 static int hpt_flush_vdev(PVBUS_EXT vbus_ext, PVDEV vd)
292 {
293 PCOMMAND pCmd;
294 int result = 0, done;
295 HPT_UINT count;
296
297 KdPrint(("flusing dev %p", vd));
298
299 hpt_assert_vbus_locked(vbus_ext);
300
301 if (mIsArray(vd->type) && vd->u.array.transform)
302 count = max(vd->u.array.transform->source->cmds_per_request,
303 vd->u.array.transform->target->cmds_per_request);
304 else
305 count = vd->cmds_per_request;
306
307 pCmd = ldm_alloc_cmds(vd->vbus, count);
308
309 if (!pCmd) {
310 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, 0, "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 return result;
336 }
337
338 static void hpt_stop_tasks(PVBUS_EXT vbus_ext);
hpt_shutdown_vbus(PVBUS_EXT vbus_ext,int howto)339 static void hpt_shutdown_vbus(PVBUS_EXT vbus_ext, int howto)
340 {
341 PVBUS vbus = (PVBUS)vbus_ext->vbus;
342 PHBA hba;
343 int i;
344
345 KdPrint(("hpt_shutdown_vbus"));
346
347 /* stop all ctl tasks and disable the worker taskqueue */
348 hpt_stop_tasks(vbus_ext);
349 hpt_lock_vbus(vbus_ext);
350 vbus_ext->worker.ta_context = NULL;
351
352 /* flush devices */
353 for (i=0; i<osm_max_targets; i++) {
354 PVDEV vd = ldm_find_target(vbus, i);
355 if (vd) {
356 /* retry once */
357 if (hpt_flush_vdev(vbus_ext, vd))
358 hpt_flush_vdev(vbus_ext, vd);
359 }
360 }
361
362 ldm_shutdown(vbus);
363 hpt_unlock_vbus(vbus_ext);
364
365 ldm_release_vbus(vbus);
366
367 for (hba=vbus_ext->hba_list; hba; hba=hba->next)
368 bus_teardown_intr(hba->pcidev, hba->irq_res, hba->irq_handle);
369
370 hpt_free_mem(vbus_ext);
371
372 while ((hba=vbus_ext->hba_list)) {
373 vbus_ext->hba_list = hba->next;
374 kfree(hba->ldm_adapter.him_handle, M_DEVBUF);
375 }
376
377 callout_terminate(&vbus_ext->timer);
378 lockuninit(&vbus_ext->lock);
379 kfree(vbus_ext, M_DEVBUF);
380 KdPrint(("hpt_shutdown_vbus done"));
381 }
382
__hpt_do_tasks(PVBUS_EXT vbus_ext)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 = NULL;
389
390 while (tasks) {
391 OSM_TASK *t = tasks;
392 tasks = t->next;
393 t->next = NULL;
394 t->func(vbus_ext->vbus, t->data);
395 }
396 }
397
hpt_do_tasks(PVBUS_EXT vbus_ext,int pending)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
cmdext_get(PVBUS_EXT vbus_ext)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
cmdext_put(POS_CMDEXT p)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
hpt_timeout(void * arg)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
os_cmddone(PCOMMAND pCmd)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 callout_stop(&ext->timeout);
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
os_buildsgl(PCOMMAND pCmd,PSG pSg,int logical)483 static int os_buildsgl(PCOMMAND pCmd, PSG pSg, int logical)
484 {
485 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
486 union ccb *ccb = ext->ccb;
487
488 if(logical) {
489 os_set_sgptr(pSg, (HPT_U8 *)ccb->csio.data_ptr);
490 pSg->size = ccb->csio.dxfer_len;
491 pSg->eot = 1;
492 return TRUE;
493 }
494
495 /* since we have provided physical sg, nobody will ask us to build physical sg */
496 HPT_ASSERT(0);
497 return FALSE;
498 }
499
hpt_io_dmamap_callback(void * arg,bus_dma_segment_t * segs,int nsegs,int error)500 static void hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
501 {
502 PCOMMAND pCmd = (PCOMMAND)arg;
503 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
504 PSG psg = pCmd->psg;
505 int idx;
506
507 HPT_ASSERT(pCmd->flags.physical_sg);
508
509 if (error)
510 panic("busdma error");
511
512 HPT_ASSERT(nsegs<=os_max_sg_descriptors);
513
514 if (nsegs != 0) {
515 for (idx = 0; idx < nsegs; idx++, psg++) {
516 psg->addr.bus = segs[idx].ds_addr;
517 psg->size = segs[idx].ds_len;
518 psg->eot = 0;
519 }
520 psg[-1].eot = 1;
521
522 if (pCmd->flags.data_in) {
523 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map,
524 BUS_DMASYNC_PREREAD);
525 }
526 else if (pCmd->flags.data_out) {
527 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map,
528 BUS_DMASYNC_PREWRITE);
529 }
530 }
531 callout_reset(&ext->timeout, HPT_OSM_TIMEOUT, hpt_timeout, pCmd);
532 ldm_queue_cmd(pCmd);
533 }
534
hpt_scsi_io(PVBUS_EXT vbus_ext,union ccb * ccb)535 static void hpt_scsi_io(PVBUS_EXT vbus_ext, union ccb *ccb)
536 {
537 PVBUS vbus = (PVBUS)vbus_ext->vbus;
538 PVDEV vd;
539 PCOMMAND pCmd;
540 POS_CMDEXT ext;
541 HPT_U8 *cdb;
542
543 if (ccb->ccb_h.flags & CAM_CDB_POINTER)
544 cdb = ccb->csio.cdb_io.cdb_ptr;
545 else
546 cdb = ccb->csio.cdb_io.cdb_bytes;
547
548 KdPrint(("hpt_scsi_io: ccb %x id %d lun %d cdb %x-%x-%x",
549 ccb,
550 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
551 *(HPT_U32 *)&cdb[0], *(HPT_U32 *)&cdb[4], *(HPT_U32 *)&cdb[8]
552 ));
553
554 /* ccb->ccb_h.path_id is not our bus id - don't check it */
555 if (ccb->ccb_h.target_lun != 0 ||
556 ccb->ccb_h.target_id >= osm_max_targets ||
557 (ccb->ccb_h.flags & CAM_CDB_PHYS))
558 {
559 ccb->ccb_h.status = CAM_TID_INVALID;
560 xpt_done(ccb);
561 return;
562 }
563
564 vd = ldm_find_target(vbus, ccb->ccb_h.target_id);
565
566 if (!vd) {
567 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
568 xpt_done(ccb);
569 return;
570 }
571
572 switch (cdb[0]) {
573 case TEST_UNIT_READY:
574 case START_STOP_UNIT:
575 case SYNCHRONIZE_CACHE:
576 ccb->ccb_h.status = CAM_REQ_CMP;
577 break;
578
579 case INQUIRY:
580 {
581 PINQUIRYDATA inquiryData;
582 memset(ccb->csio.data_ptr, 0, ccb->csio.dxfer_len);
583 inquiryData = (PINQUIRYDATA)ccb->csio.data_ptr;
584
585 inquiryData->AdditionalLength = 31;
586 inquiryData->CommandQueue = 1;
587 memcpy(&inquiryData->VendorId, "HPT ", 8);
588 memcpy(&inquiryData->ProductId, "DISK 0_0 ", 16);
589
590 if (vd->target_id / 10) {
591 inquiryData->ProductId[7] = (vd->target_id % 100) / 10 + '0';
592 inquiryData->ProductId[8] = (vd->target_id % 100) % 10 + '0';
593 }
594 else
595 inquiryData->ProductId[7] = (vd->target_id % 100) % 10 + '0';
596
597 memcpy(&inquiryData->ProductRevisionLevel, "4.00", 4);
598
599 ccb->ccb_h.status = CAM_REQ_CMP;
600 }
601 break;
602
603 case READ_CAPACITY:
604 {
605 HPT_U8 *rbuf = ccb->csio.data_ptr;
606 HPT_U32 cap;
607
608 if (vd->capacity>0xfffffffful)
609 cap = 0xfffffffful;
610 else
611 cap = vd->capacity - 1;
612
613 rbuf[0] = (HPT_U8)(cap>>24);
614 rbuf[1] = (HPT_U8)(cap>>16);
615 rbuf[2] = (HPT_U8)(cap>>8);
616 rbuf[3] = (HPT_U8)cap;
617 rbuf[4] = 0;
618 rbuf[5] = 0;
619 rbuf[6] = 2;
620 rbuf[7] = 0;
621
622 ccb->ccb_h.status = CAM_REQ_CMP;
623 break;
624 }
625
626 case SERVICE_ACTION_IN:
627 {
628 HPT_U8 *rbuf = ccb->csio.data_ptr;
629 HPT_U64 cap = vd->capacity - 1;
630
631 rbuf[0] = (HPT_U8)(cap>>56);
632 rbuf[1] = (HPT_U8)(cap>>48);
633 rbuf[2] = (HPT_U8)(cap>>40);
634 rbuf[3] = (HPT_U8)(cap>>32);
635 rbuf[4] = (HPT_U8)(cap>>24);
636 rbuf[5] = (HPT_U8)(cap>>16);
637 rbuf[6] = (HPT_U8)(cap>>8);
638 rbuf[7] = (HPT_U8)cap;
639 rbuf[8] = 0;
640 rbuf[9] = 0;
641 rbuf[10] = 2;
642 rbuf[11] = 0;
643
644 ccb->ccb_h.status = CAM_REQ_CMP;
645 break;
646 }
647
648 case READ_6:
649 case READ_10:
650 case READ_16:
651 case WRITE_6:
652 case WRITE_10:
653 case WRITE_16:
654 case 0x13:
655 case 0x2f:
656 {
657 int error;
658
659 pCmd = ldm_alloc_cmds(vbus, vd->cmds_per_request);
660 if(!pCmd){
661 KdPrint(("Failed to allocate command!"));
662 ccb->ccb_h.status = CAM_BUSY;
663 break;
664 }
665
666 switch (cdb[0]) {
667 case READ_6:
668 case WRITE_6:
669 case 0x13:
670 pCmd->uCmd.Ide.Lba = ((HPT_U32)cdb[1] << 16) | ((HPT_U32)cdb[2] << 8) | (HPT_U32)cdb[3];
671 pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[4];
672 break;
673 case READ_16:
674 case WRITE_16:
675 {
676 HPT_U64 block =
677 ((HPT_U64)cdb[2]<<56) |
678 ((HPT_U64)cdb[3]<<48) |
679 ((HPT_U64)cdb[4]<<40) |
680 ((HPT_U64)cdb[5]<<32) |
681 ((HPT_U64)cdb[6]<<24) |
682 ((HPT_U64)cdb[7]<<16) |
683 ((HPT_U64)cdb[8]<<8) |
684 ((HPT_U64)cdb[9]);
685 pCmd->uCmd.Ide.Lba = block;
686 pCmd->uCmd.Ide.nSectors = (HPT_U16)cdb[13] | ((HPT_U16)cdb[12]<<8);
687 break;
688 }
689
690 default:
691 pCmd->uCmd.Ide.Lba = (HPT_U32)cdb[5] | ((HPT_U32)cdb[4] << 8) | ((HPT_U32)cdb[3] << 16) | ((HPT_U32)cdb[2] << 24);
692 pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[8] | ((HPT_U16)cdb[7]<<8);
693 break;
694 }
695
696 switch (cdb[0]) {
697 case READ_6:
698 case READ_10:
699 case READ_16:
700 pCmd->flags.data_in = 1;
701 break;
702 case WRITE_6:
703 case WRITE_10:
704 case WRITE_16:
705 pCmd->flags.data_out = 1;
706 break;
707 }
708 pCmd->priv = ext = cmdext_get(vbus_ext);
709 HPT_ASSERT(ext);
710 ext->ccb = ccb;
711 pCmd->target = vd;
712 pCmd->done = os_cmddone;
713 pCmd->buildsgl = os_buildsgl;
714 pCmd->psg = ext->psg;
715 pCmd->flags.physical_sg = 1;
716 error = bus_dmamap_load_ccb(vbus_ext->io_dmat,
717 ext->dma_map,
718 ccb,
719 hpt_io_dmamap_callback, pCmd,
720 BUS_DMA_WAITOK
721 );
722 KdPrint(("bus_dmamap_load return %d", error));
723 if (error && error!=EINPROGRESS) {
724 os_printk("bus_dmamap_load error %d", error);
725 cmdext_put(ext);
726 ldm_free_cmds(pCmd);
727 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
728 xpt_done(ccb);
729 }
730 return;
731 }
732
733 default:
734 ccb->ccb_h.status = CAM_REQ_INVALID;
735 break;
736 }
737
738 xpt_done(ccb);
739 return;
740 }
741
hpt_action(struct cam_sim * sim,union ccb * ccb)742 static void hpt_action(struct cam_sim *sim, union ccb *ccb)
743 {
744 PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim);
745
746 KdPrint(("hpt_action(fn=%d, id=%d)", ccb->ccb_h.func_code, ccb->ccb_h.target_id));
747
748 hpt_assert_vbus_locked(vbus_ext);
749 switch (ccb->ccb_h.func_code) {
750
751 case XPT_SCSI_IO:
752 hpt_scsi_io(vbus_ext, ccb);
753 return;
754
755 case XPT_RESET_BUS:
756 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
757 break;
758
759 case XPT_GET_TRAN_SETTINGS:
760 case XPT_SET_TRAN_SETTINGS:
761 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
762 break;
763
764 case XPT_CALC_GEOMETRY:
765 cam_calc_geometry(&ccb->ccg, 1);
766 break;
767
768 case XPT_PATH_INQ:
769 {
770 struct ccb_pathinq *cpi = &ccb->cpi;
771
772 cpi->version_num = 1;
773 cpi->hba_inquiry = PI_SDTR_ABLE;
774 cpi->target_sprt = 0;
775 cpi->hba_misc = PIM_NOBUSRESET;
776 cpi->hba_eng_cnt = 0;
777 cpi->max_target = osm_max_targets;
778 cpi->max_lun = 0;
779 cpi->unit_number = cam_sim_unit(sim);
780 cpi->bus_id = cam_sim_bus(sim);
781 cpi->initiator_id = osm_max_targets;
782 cpi->base_transfer_speed = 3300;
783
784 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
785 strlcpy(cpi->hba_vid, "HPT ", HBA_IDLEN);
786 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
787 cpi->transport = XPORT_SPI;
788 cpi->transport_version = 2;
789 cpi->protocol = PROTO_SCSI;
790 cpi->protocol_version = SCSI_REV_2;
791 cpi->maxio = HPTRR_DFLTPHYS;
792 cpi->ccb_h.status = CAM_REQ_CMP;
793 break;
794 }
795
796 default:
797 ccb->ccb_h.status = CAM_REQ_INVALID;
798 break;
799 }
800
801 xpt_done(ccb);
802 return;
803 }
804
hpt_pci_intr(void * arg)805 static void hpt_pci_intr(void *arg)
806 {
807 PVBUS_EXT vbus_ext = (PVBUS_EXT)arg;
808 hpt_lock_vbus(vbus_ext);
809 ldm_intr((PVBUS)vbus_ext->vbus);
810 hpt_unlock_vbus(vbus_ext);
811 }
812
hpt_poll(struct cam_sim * sim)813 static void hpt_poll(struct cam_sim *sim)
814 {
815 PVBUS_EXT vbus_ext = cam_sim_softc(sim);
816 hpt_assert_vbus_locked(vbus_ext);
817 ldm_intr((PVBUS)vbus_ext->vbus);
818 }
819
hpt_async(void * callback_arg,u_int32_t code,struct cam_path * path,void * arg)820 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg)
821 {
822 KdPrint(("hpt_async"));
823 }
824
hpt_shutdown(device_t dev)825 static int hpt_shutdown(device_t dev)
826 {
827 KdPrint(("hpt_shutdown(dev=%p)", dev));
828 return 0;
829 }
830
hpt_detach(device_t dev)831 static int hpt_detach(device_t dev)
832 {
833 /* we don't allow the driver to be unloaded. */
834 return EBUSY;
835 }
836
hpt_ioctl_done(struct _IOCTL_ARG * arg)837 static void hpt_ioctl_done(struct _IOCTL_ARG *arg)
838 {
839 arg->ioctl_cmnd = NULL;
840 wakeup(arg);
841 }
842
__hpt_do_ioctl(PVBUS_EXT vbus_ext,IOCTL_ARG * ioctl_args)843 static void __hpt_do_ioctl(PVBUS_EXT vbus_ext, IOCTL_ARG *ioctl_args)
844 {
845 ioctl_args->result = -1;
846 ioctl_args->done = hpt_ioctl_done;
847 ioctl_args->ioctl_cmnd = (void *)1;
848
849 hpt_lock_vbus(vbus_ext);
850 ldm_ioctl((PVBUS)vbus_ext->vbus, ioctl_args);
851
852 while (ioctl_args->ioctl_cmnd) {
853 if (hpt_sleep(vbus_ext, ioctl_args, 0, "hptctl", HPT_OSM_TIMEOUT)==0)
854 break;
855 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
856 __hpt_do_tasks(vbus_ext);
857 }
858
859 /* KdPrint(("ioctl %x result %d", ioctl_args->dwIoControlCode, ioctl_args->result)); */
860
861 hpt_unlock_vbus(vbus_ext);
862 }
863
hpt_do_ioctl(IOCTL_ARG * ioctl_args)864 static void hpt_do_ioctl(IOCTL_ARG *ioctl_args)
865 {
866 PVBUS vbus;
867 PVBUS_EXT vbus_ext;
868
869 ldm_for_each_vbus(vbus, vbus_ext) {
870 __hpt_do_ioctl(vbus_ext, ioctl_args);
871 if (ioctl_args->result!=HPT_IOCTL_RESULT_WRONG_VBUS)
872 return;
873 }
874 }
875
876 #define HPT_DO_IOCTL(code, inbuf, insize, outbuf, outsize) ({\
877 IOCTL_ARG arg;\
878 arg.dwIoControlCode = code;\
879 arg.lpInBuffer = inbuf;\
880 arg.lpOutBuffer = outbuf;\
881 arg.nInBufferSize = insize;\
882 arg.nOutBufferSize = outsize;\
883 arg.lpBytesReturned = NULL;\
884 hpt_do_ioctl(&arg);\
885 arg.result;\
886 })
887
888 #define DEVICEID_VALID(id) ((id) && ((HPT_U32)(id)!=0xffffffff))
889
hpt_get_logical_devices(DEVICEID * pIds,int nMaxCount)890 static int hpt_get_logical_devices(DEVICEID * pIds, int nMaxCount)
891 {
892 int i;
893 HPT_U32 count = nMaxCount-1;
894
895 if (HPT_DO_IOCTL(HPT_IOCTL_GET_LOGICAL_DEVICES,
896 &count, sizeof(HPT_U32), pIds, sizeof(DEVICEID)*nMaxCount))
897 return -1;
898
899 nMaxCount = (int)pIds[0];
900 for (i=0; i<nMaxCount; i++) pIds[i] = pIds[i+1];
901 return nMaxCount;
902 }
903
hpt_get_device_info_v3(DEVICEID id,PLOGICAL_DEVICE_INFO_V3 pInfo)904 static int hpt_get_device_info_v3(DEVICEID id, PLOGICAL_DEVICE_INFO_V3 pInfo)
905 {
906 return HPT_DO_IOCTL(HPT_IOCTL_GET_DEVICE_INFO_V3,
907 &id, sizeof(DEVICEID), pInfo, sizeof(LOGICAL_DEVICE_INFO_V3));
908 }
909
910 /* not belong to this file logically, but we want to use ioctl interface */
__hpt_stop_tasks(PVBUS_EXT vbus_ext,DEVICEID id)911 static int __hpt_stop_tasks(PVBUS_EXT vbus_ext, DEVICEID id)
912 {
913 LOGICAL_DEVICE_INFO_V3 devinfo;
914 int i, result;
915 DEVICEID param[2] = { id, 0 };
916
917 if (hpt_get_device_info_v3(id, &devinfo))
918 return -1;
919
920 if (devinfo.Type!=LDT_ARRAY)
921 return -1;
922
923 if (devinfo.u.array.Flags & ARRAY_FLAG_REBUILDING)
924 param[1] = AS_REBUILD_ABORT;
925 else if (devinfo.u.array.Flags & ARRAY_FLAG_VERIFYING)
926 param[1] = AS_VERIFY_ABORT;
927 else if (devinfo.u.array.Flags & ARRAY_FLAG_INITIALIZING)
928 param[1] = AS_INITIALIZE_ABORT;
929 else if (devinfo.u.array.Flags & ARRAY_FLAG_TRANSFORMING)
930 param[1] = AS_TRANSFORM_ABORT;
931 else
932 return -1;
933
934 KdPrint(("SET_ARRAY_STATE(%x, %d)", param[0], param[1]));
935 result = HPT_DO_IOCTL(HPT_IOCTL_SET_ARRAY_STATE,
936 param, sizeof(param), NULL, 0);
937
938 for (i=0; i<devinfo.u.array.nDisk; i++)
939 if (DEVICEID_VALID(devinfo.u.array.Members[i]))
940 __hpt_stop_tasks(vbus_ext, devinfo.u.array.Members[i]);
941
942 return result;
943 }
944
hpt_stop_tasks(PVBUS_EXT vbus_ext)945 static void hpt_stop_tasks(PVBUS_EXT vbus_ext)
946 {
947 DEVICEID ids[32];
948 int i, count;
949
950 count = hpt_get_logical_devices((DEVICEID *)&ids, sizeof(ids)/sizeof(ids[0]));
951
952 for (i=0; i<count; i++)
953 __hpt_stop_tasks(vbus_ext, ids[i]);
954 }
955
956 static d_open_t hpt_open;
957 static d_close_t hpt_close;
958 static d_ioctl_t hpt_ioctl;
959 static int hpt_rescan_bus(void);
960 static void hpt_rescan_callback(struct cam_periph *periph, union ccb *ccb);
961
962 static struct dev_ops hpt_ops = {
963 { driver_name, 0, D_MPSAFE },
964 .d_open = hpt_open,
965 .d_close = hpt_close,
966 .d_ioctl = hpt_ioctl,
967 };
968
969 static struct intr_config_hook hpt_ich;
970
971 /*
972 * hpt_final_init will be called after all hpt_attach.
973 */
hpt_final_init(void * dummy)974 static void hpt_final_init(void *dummy)
975 {
976 int i;
977 PVBUS_EXT vbus_ext;
978 PVBUS vbus;
979 PHBA hba;
980
981 /* Clear the config hook */
982 config_intrhook_disestablish(&hpt_ich);
983
984 /* allocate memory */
985 i = 0;
986 ldm_for_each_vbus(vbus, vbus_ext) {
987 if (hpt_alloc_mem(vbus_ext)) {
988 os_printk("out of memory");
989 return;
990 }
991 i++;
992 }
993
994 if (!i) {
995 if (bootverbose)
996 os_printk("no controller detected.");
997 return;
998 }
999
1000 /* initializing hardware */
1001 ldm_for_each_vbus(vbus, vbus_ext) {
1002 /* make timer available here */
1003 lockinit(&vbus_ext->lock, "hptsleeplock", 0, LK_CANRECURSE);
1004 callout_init_lk(&vbus_ext->timer, &vbus_ext->lock);
1005 if (hpt_init_vbus(vbus_ext)) {
1006 os_printk("fail to initialize hardware");
1007 break; /* FIXME */
1008 }
1009 }
1010
1011 /* register CAM interface */
1012 ldm_for_each_vbus(vbus, vbus_ext) {
1013 struct cam_devq *devq;
1014 struct ccb_setasync *ccb;
1015
1016 if (bus_dma_tag_create(NULL,/* parent */
1017 4, /* alignment */
1018 BUS_SPACE_MAXADDR_32BIT+1, /* boundary */
1019 BUS_SPACE_MAXADDR, /* lowaddr */
1020 BUS_SPACE_MAXADDR, /* highaddr */
1021 PAGE_SIZE * (os_max_sg_descriptors-1), /* maxsize */
1022 os_max_sg_descriptors, /* nsegments */
1023 0x10000, /* maxsegsize */
1024 BUS_DMA_WAITOK, /* flags */
1025 &vbus_ext->io_dmat /* tag */))
1026 {
1027 return ;
1028 }
1029
1030 for (i=0; i<os_max_queue_comm; i++) {
1031 POS_CMDEXT ext = (POS_CMDEXT)kmalloc(sizeof(OS_CMDEXT), M_DEVBUF, M_WAITOK);
1032 if (!ext) {
1033 os_printk("Can't alloc cmdext(%d)", i);
1034 return ;
1035 }
1036 ext->vbus_ext = vbus_ext;
1037 ext->next = vbus_ext->cmdext_list;
1038 vbus_ext->cmdext_list = ext;
1039
1040 if (bus_dmamap_create(vbus_ext->io_dmat, 0, &ext->dma_map)) {
1041 os_printk("Can't create dma map(%d)", i);
1042 return ;
1043 }
1044 callout_init_lk(&ext->timeout, &vbus_ext->lock);
1045 }
1046
1047 if ((devq = cam_simq_alloc(os_max_queue_comm)) == NULL) {
1048 os_printk("cam_simq_alloc failed");
1049 return ;
1050 }
1051
1052 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name,
1053 vbus_ext, 0, &vbus_ext->lock, os_max_queue_comm,
1054 /*tagged*/8, devq);
1055 cam_simq_release(devq);
1056
1057 if (!vbus_ext->sim) {
1058 os_printk("cam_sim_alloc failed");
1059 return ;
1060 }
1061
1062 hpt_lock_vbus(vbus_ext);
1063 if (xpt_bus_register(vbus_ext->sim, 0) != CAM_SUCCESS) {
1064 os_printk("xpt_bus_register failed");
1065 cam_sim_free(vbus_ext->sim);
1066 hpt_unlock_vbus(vbus_ext);
1067 vbus_ext->sim = NULL;
1068 return ;
1069 }
1070
1071 if (xpt_create_path(&vbus_ext->path, /*periph */ NULL,
1072 cam_sim_path(vbus_ext->sim), CAM_TARGET_WILDCARD,
1073 CAM_LUN_WILDCARD) != CAM_REQ_CMP)
1074 {
1075 os_printk("xpt_create_path failed");
1076 xpt_bus_deregister(cam_sim_path(vbus_ext->sim));
1077 cam_sim_free(vbus_ext->sim);
1078 hpt_unlock_vbus(vbus_ext);
1079 vbus_ext->sim = NULL;
1080 return ;
1081 }
1082 hpt_unlock_vbus(vbus_ext);
1083
1084 ccb = &xpt_alloc_ccb()->csa;
1085 xpt_setup_ccb(&ccb->ccb_h, vbus_ext->path, /*priority*/5);
1086 ccb->ccb_h.func_code = XPT_SASYNC_CB;
1087 ccb->event_enable = AC_LOST_DEVICE;
1088 ccb->callback = hpt_async;
1089 ccb->callback_arg = vbus_ext;
1090 xpt_action((union ccb *)ccb);
1091 xpt_free_ccb(&ccb->ccb_h);
1092
1093 for (hba = vbus_ext->hba_list; hba; hba = hba->next) {
1094 int rid = 0;
1095 if ((hba->irq_res = bus_alloc_resource_any(hba->pcidev,
1096 SYS_RES_IRQ, &rid, RF_SHAREABLE | RF_ACTIVE)) == NULL)
1097 {
1098 os_printk("can't allocate interrupt");
1099 return ;
1100 }
1101
1102 if (bus_setup_intr(hba->pcidev, hba->irq_res, INTR_MPSAFE,
1103 hpt_pci_intr, vbus_ext, &hba->irq_handle, NULL))
1104 {
1105 os_printk("can't set up interrupt");
1106 return ;
1107 }
1108 hba->ldm_adapter.him->intr_control(hba->ldm_adapter.him_handle, HPT_TRUE);
1109 }
1110
1111 vbus_ext->shutdown_eh = EVENTHANDLER_REGISTER(shutdown_final,
1112 hpt_shutdown_vbus, vbus_ext, SHUTDOWN_PRI_DEFAULT);
1113 if (!vbus_ext->shutdown_eh)
1114 os_printk("Shutdown event registration failed");
1115 }
1116
1117 ldm_for_each_vbus(vbus, vbus_ext) {
1118 TASK_INIT(&vbus_ext->worker, 0, (task_fn_t *)hpt_do_tasks, vbus_ext);
1119 if (vbus_ext->tasks)
1120 TASK_ENQUEUE(&vbus_ext->worker);
1121 }
1122
1123 make_dev(&hpt_ops, DRIVER_MINOR, UID_ROOT, GID_OPERATOR,
1124 S_IRUSR | S_IWUSR, "%s", driver_name);
1125 }
1126
1127 #if defined(KLD_MODULE)
1128
1129 typedef struct driverlink *driverlink_t;
1130 struct driverlink {
1131 kobj_class_t driver;
1132 TAILQ_ENTRY(driverlink) link; /* list of drivers in devclass */
1133 };
1134
1135 typedef TAILQ_HEAD(driver_list, driverlink) driver_list_t;
1136
1137 struct devclass {
1138 TAILQ_ENTRY(devclass) link;
1139 devclass_t parent; /* parent in devclass hierarchy */
1140 driver_list_t drivers; /* bus devclasses store drivers for bus */
1141 char *name;
1142 device_t *devices; /* array of devices indexed by unit */
1143 int maxunit; /* size of devices array */
1144 };
1145
override_kernel_driver(void)1146 static void override_kernel_driver(void)
1147 {
1148 driverlink_t dl, dlfirst;
1149 driver_t *tmpdriver;
1150 devclass_t dc = devclass_find("pci");
1151
1152 if (dc){
1153 dlfirst = TAILQ_FIRST(&dc->drivers);
1154 for (dl = dlfirst; dl; dl = TAILQ_NEXT(dl, link)) {
1155 if(strcmp(dl->driver->name, driver_name) == 0) {
1156 tmpdriver=dl->driver;
1157 dl->driver=dlfirst->driver;
1158 dlfirst->driver=tmpdriver;
1159 break;
1160 }
1161 }
1162 }
1163 }
1164
1165 #else
1166 #define override_kernel_driver()
1167 #endif
1168
hpt_init(void * dummy)1169 static void hpt_init(void *dummy)
1170 {
1171 if (bootverbose)
1172 os_printk("%s %s", driver_name_long, driver_ver);
1173
1174 override_kernel_driver();
1175 init_config();
1176
1177 hpt_ich.ich_func = hpt_final_init;
1178 hpt_ich.ich_arg = NULL;
1179 hpt_ich.ich_desc = "hptrr";
1180 if (config_intrhook_establish(&hpt_ich) != 0) {
1181 kprintf("%s: cannot establish configuration hook\n",
1182 driver_name_long);
1183 }
1184
1185 }
1186 SYSINIT(hptinit, SI_SUB_CONFIGURE, SI_ORDER_FIRST, hpt_init, NULL);
1187
1188 /*
1189 * CAM driver interface
1190 */
1191 static device_method_t driver_methods[] = {
1192 /* Device interface */
1193 DEVMETHOD(device_probe, hpt_probe),
1194 DEVMETHOD(device_attach, hpt_attach),
1195 DEVMETHOD(device_detach, hpt_detach),
1196 DEVMETHOD(device_shutdown, hpt_shutdown),
1197 DEVMETHOD_END
1198 };
1199
1200 static driver_t hpt_pci_driver = {
1201 driver_name,
1202 driver_methods,
1203 sizeof(HBA)
1204 };
1205
1206 static devclass_t hpt_devclass;
1207
1208 #ifndef TARGETNAME
1209 #error "no TARGETNAME found"
1210 #endif
1211
1212 /* use this to make TARGETNAME be expanded */
1213 #define __DRIVER_MODULE(p1, p2, p3, p4, p5, p6) DRIVER_MODULE(p1, p2, p3, p4, p5, p6)
1214 #define __MODULE_VERSION(p1, p2) MODULE_VERSION(p1, p2)
1215 #define __MODULE_DEPEND(p1, p2, p3, p4, p5) MODULE_DEPEND(p1, p2, p3, p4, p5)
1216 __DRIVER_MODULE(TARGETNAME, pci, hpt_pci_driver, hpt_devclass, NULL, NULL);
1217 __MODULE_VERSION(TARGETNAME, 1);
1218 __MODULE_DEPEND(TARGETNAME, cam, 1, 1, 1);
1219
hpt_open(struct dev_open_args * ap)1220 static int hpt_open(struct dev_open_args *ap)
1221 {
1222 return 0;
1223 }
1224
hpt_close(struct dev_close_args * ap)1225 static int hpt_close(struct dev_close_args *ap)
1226 {
1227 return 0;
1228 }
1229
hpt_ioctl(struct dev_ioctl_args * ap)1230 static int hpt_ioctl(struct dev_ioctl_args *ap)
1231 {
1232 u_long cmd = ap->a_cmd;
1233 caddr_t data = ap->a_data;
1234 PHPT_IOCTL_PARAM piop=(PHPT_IOCTL_PARAM)data;
1235 IOCTL_ARG ioctl_args;
1236 HPT_U32 bytesReturned;
1237
1238 switch (cmd){
1239 case HPT_DO_IOCONTROL:
1240 {
1241 if (piop->Magic == HPT_IOCTL_MAGIC || piop->Magic == HPT_IOCTL_MAGIC32) {
1242 KdPrint(("ioctl=%x in=%p len=%d out=%p len=%d\n",
1243 piop->dwIoControlCode,
1244 piop->lpInBuffer,
1245 piop->nInBufferSize,
1246 piop->lpOutBuffer,
1247 piop->nOutBufferSize));
1248
1249 memset(&ioctl_args, 0, sizeof(ioctl_args));
1250
1251 ioctl_args.dwIoControlCode = piop->dwIoControlCode;
1252 ioctl_args.nInBufferSize = piop->nInBufferSize;
1253 ioctl_args.nOutBufferSize = piop->nOutBufferSize;
1254 ioctl_args.lpBytesReturned = &bytesReturned;
1255
1256 if (ioctl_args.nInBufferSize) {
1257 ioctl_args.lpInBuffer = kmalloc(ioctl_args.nInBufferSize, M_DEVBUF, M_WAITOK);
1258 if (!ioctl_args.lpInBuffer)
1259 goto invalid;
1260 if (copyin((void*)piop->lpInBuffer,
1261 ioctl_args.lpInBuffer, piop->nInBufferSize))
1262 goto invalid;
1263 }
1264
1265 if (ioctl_args.nOutBufferSize) {
1266 ioctl_args.lpOutBuffer = kmalloc(ioctl_args.nOutBufferSize, M_DEVBUF, M_WAITOK);
1267 if (!ioctl_args.lpOutBuffer)
1268 goto invalid;
1269 }
1270
1271 hpt_do_ioctl(&ioctl_args);
1272
1273 if (ioctl_args.result==HPT_IOCTL_RESULT_OK) {
1274 if (piop->nOutBufferSize) {
1275 if (copyout(ioctl_args.lpOutBuffer,
1276 (void*)piop->lpOutBuffer, piop->nOutBufferSize))
1277 goto invalid;
1278 }
1279 if (piop->lpBytesReturned) {
1280 if (copyout(&bytesReturned,
1281 (void*)piop->lpBytesReturned, sizeof(HPT_U32)))
1282 goto invalid;
1283 }
1284 if (ioctl_args.lpInBuffer) kfree(ioctl_args.lpInBuffer, M_DEVBUF);
1285 if (ioctl_args.lpOutBuffer) kfree(ioctl_args.lpOutBuffer, M_DEVBUF);
1286 return 0;
1287 }
1288 invalid:
1289 if (ioctl_args.lpInBuffer) kfree(ioctl_args.lpInBuffer, M_DEVBUF);
1290 if (ioctl_args.lpOutBuffer) kfree(ioctl_args.lpOutBuffer, M_DEVBUF);
1291 return EFAULT;
1292 }
1293 return EFAULT;
1294 }
1295
1296 case HPT_SCAN_BUS:
1297 {
1298 return hpt_rescan_bus();
1299 }
1300 default:
1301 KdPrint(("invalid command!"));
1302 return EFAULT;
1303 }
1304
1305 }
1306
hpt_rescan_callback(struct cam_periph * periph,union ccb * ccb)1307 static void hpt_rescan_callback(struct cam_periph *periph, union ccb *ccb)
1308 {
1309 xpt_free_path(ccb->ccb_h.path);
1310 xpt_free_ccb(&ccb->ccb_h);
1311 }
1312
hpt_rescan_bus(void)1313 static int hpt_rescan_bus(void)
1314 {
1315 union ccb *ccb;
1316 PVBUS vbus;
1317 PVBUS_EXT vbus_ext;
1318
1319 ldm_for_each_vbus(vbus, vbus_ext) {
1320 if ((ccb = xpt_alloc_ccb()) == NULL)
1321 return(ENOMEM);
1322 if (xpt_create_path(&ccb->ccb_h.path, xpt_periph,
1323 cam_sim_path(vbus_ext->sim),
1324 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
1325 xpt_free_ccb(&ccb->ccb_h);
1326 return(EIO);
1327 }
1328
1329 xpt_setup_ccb(&ccb->ccb_h, ccb->ccb_h.path, 5/*priority (low)*/);
1330 ccb->ccb_h.func_code = XPT_SCAN_BUS;
1331 ccb->ccb_h.cbfcnp = hpt_rescan_callback;
1332 ccb->crcn.flags = CAM_FLAG_NONE;
1333 xpt_action(ccb); /* scan is now in progress */
1334 }
1335
1336 return(0);
1337 }
1338