1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2011 HighPoint Technologies, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include <dev/hpt27xx/hpt27xx_config.h>
30
31 #include <dev/hpt27xx/os_bsd.h>
32 #include <dev/hpt27xx/hptintf.h>
33
hpt_match(device_t dev,int scan)34 static HIM *hpt_match(device_t dev, int scan)
35 {
36 PCI_ID pci_id;
37 HIM *him;
38 int i;
39
40 for (him = him_list; him; him = him->next) {
41 for (i=0; him->get_supported_device_id(i, &pci_id); i++) {
42 if (scan && him->get_controller_count)
43 him->get_controller_count(&pci_id,0,0);
44 if ((pci_get_vendor(dev) == pci_id.vid) &&
45 (pci_get_device(dev) == pci_id.did)){
46 return (him);
47 }
48 }
49 }
50 return (NULL);
51 }
52
hpt_probe(device_t dev)53 static int hpt_probe(device_t dev)
54 {
55 HIM *him;
56
57 him = hpt_match(dev, 0);
58 if (him != NULL) {
59 KdPrint(("hpt_probe: adapter at PCI %d:%d:%d, IRQ %d",
60 pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev), pci_get_irq(dev)
61 ));
62 device_set_desc(dev, him->name);
63 return (BUS_PROBE_DEFAULT);
64 }
65
66 return (ENXIO);
67 }
68
hpt_attach(device_t dev)69 static int hpt_attach(device_t dev)
70 {
71 PHBA hba = (PHBA)device_get_softc(dev);
72 HIM *him;
73 PCI_ID pci_id;
74 HPT_UINT size;
75 PVBUS vbus;
76 PVBUS_EXT vbus_ext;
77
78 if (pci_get_domain(dev) != 0) {
79 device_printf(dev, "does not support PCI domains\n");
80 return (ENXIO);
81 }
82
83 KdPrint(("hpt_attach(%d/%d/%d)", pci_get_bus(dev), pci_get_slot(dev), pci_get_function(dev)));
84
85 him = hpt_match(dev, 1);
86 hba->ext_type = EXT_TYPE_HBA;
87 hba->ldm_adapter.him = him;
88 pci_enable_busmaster(dev);
89
90 pci_id.vid = pci_get_vendor(dev);
91 pci_id.did = pci_get_device(dev);
92 pci_id.rev = pci_get_revid(dev);
93 pci_id.subsys = (HPT_U32)(pci_get_subdevice(dev)) << 16 | pci_get_subvendor(dev);
94
95 size = him->get_adapter_size(&pci_id);
96 hba->ldm_adapter.him_handle = malloc(size, M_DEVBUF, M_WAITOK);
97 hba->pcidev = dev;
98 hba->pciaddr.tree = 0;
99 hba->pciaddr.bus = pci_get_bus(dev);
100 hba->pciaddr.device = pci_get_slot(dev);
101 hba->pciaddr.function = pci_get_function(dev);
102
103 if (!him->create_adapter(&pci_id, hba->pciaddr, hba->ldm_adapter.him_handle, hba)) {
104 free(hba->ldm_adapter.him_handle, M_DEVBUF);
105 return ENXIO;
106 }
107
108 os_printk("adapter at PCI %d:%d:%d, IRQ %d",
109 hba->pciaddr.bus, hba->pciaddr.device, hba->pciaddr.function, pci_get_irq(dev));
110
111 if (!ldm_register_adapter(&hba->ldm_adapter)) {
112 size = ldm_get_vbus_size();
113 vbus_ext = malloc(sizeof(VBUS_EXT) + size, M_DEVBUF, M_WAITOK);
114 memset(vbus_ext, 0, sizeof(VBUS_EXT));
115 vbus_ext->ext_type = EXT_TYPE_VBUS;
116 ldm_create_vbus((PVBUS)vbus_ext->vbus, vbus_ext);
117 ldm_register_adapter(&hba->ldm_adapter);
118 }
119
120 ldm_for_each_vbus(vbus, vbus_ext) {
121 if (hba->ldm_adapter.vbus==vbus) {
122 hba->vbus_ext = vbus_ext;
123 hba->next = vbus_ext->hba_list;
124 vbus_ext->hba_list = hba;
125 break;
126 }
127 }
128 return 0;
129 }
130
131 /*
132 * Maybe we'd better to use the bus_dmamem_alloc to alloc DMA memory,
133 * but there are some problems currently (alignment, etc).
134 */
__get_free_pages(int order)135 static __inline void *__get_free_pages(int order)
136 {
137 /* don't use low memory - other devices may get starved */
138 return contigmalloc(PAGE_SIZE<<order,
139 M_DEVBUF, M_WAITOK, BUS_SPACE_MAXADDR_24BIT, BUS_SPACE_MAXADDR, PAGE_SIZE, 0);
140 }
141
free_pages(void * p)142 static __inline void free_pages(void *p)
143 {
144 free(p, M_DEVBUF);
145 }
146
hpt_alloc_mem(PVBUS_EXT vbus_ext)147 static int hpt_alloc_mem(PVBUS_EXT vbus_ext)
148 {
149 PHBA hba;
150 struct freelist *f;
151 HPT_UINT i;
152 void **p;
153
154 for (hba = vbus_ext->hba_list; hba; hba = hba->next)
155 hba->ldm_adapter.him->get_meminfo(hba->ldm_adapter.him_handle);
156
157 ldm_get_mem_info((PVBUS)vbus_ext->vbus, 0);
158
159 for (f=vbus_ext->freelist_head; f; f=f->next) {
160 KdPrint(("%s: %d*%d=%d bytes",
161 f->tag, f->count, f->size, f->count*f->size));
162 for (i=0; i<f->count; i++) {
163 p = (void **)malloc(f->size, M_DEVBUF, M_WAITOK);
164 *p = f->head;
165 f->head = p;
166 }
167 }
168
169 for (f=vbus_ext->freelist_dma_head; f; f=f->next) {
170 int order, size, j;
171
172 HPT_ASSERT((f->size & (f->alignment-1))==0);
173
174 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1)
175 ;
176
177 KdPrint(("%s: %d*%d=%d bytes, order %d",
178 f->tag, f->count, f->size, f->count*f->size, order));
179 HPT_ASSERT(f->alignment<=PAGE_SIZE);
180
181 for (i=0; i<f->count;) {
182 p = (void **)__get_free_pages(order);
183 if (!p) return -1;
184 for (j = size/f->size; j && i<f->count; i++,j--) {
185 *p = f->head;
186 *(BUS_ADDRESS *)(p+1) = (BUS_ADDRESS)vtophys(p);
187 f->head = p;
188 p = (void **)((unsigned long)p + f->size);
189 }
190 }
191 }
192
193 HPT_ASSERT(PAGE_SIZE==DMAPOOL_PAGE_SIZE);
194
195 for (i=0; i<os_max_cache_pages; i++) {
196 p = (void **)__get_free_pages(0);
197 if (!p) return -1;
198 HPT_ASSERT(((HPT_UPTR)p & (DMAPOOL_PAGE_SIZE-1))==0);
199 dmapool_put_page((PVBUS)vbus_ext->vbus, p, (BUS_ADDRESS)vtophys(p));
200 }
201
202 return 0;
203 }
204
hpt_free_mem(PVBUS_EXT vbus_ext)205 static void hpt_free_mem(PVBUS_EXT vbus_ext)
206 {
207 struct freelist *f;
208 void *p;
209 int i;
210 BUS_ADDRESS bus;
211
212 for (f=vbus_ext->freelist_head; f; f=f->next) {
213 #if DBG
214 if (f->count!=f->reserved_count) {
215 KdPrint(("memory leak for freelist %s (%d/%d)", f->tag, f->count, f->reserved_count));
216 }
217 #endif
218 while ((p=freelist_get(f)))
219 free(p, M_DEVBUF);
220 }
221
222 for (i=0; i<os_max_cache_pages; i++) {
223 p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus);
224 HPT_ASSERT(p);
225 free_pages(p);
226 }
227
228 for (f=vbus_ext->freelist_dma_head; f; f=f->next) {
229 int order, size;
230 #if DBG
231 if (f->count!=f->reserved_count) {
232 KdPrint(("memory leak for dma freelist %s (%d/%d)", f->tag, f->count, f->reserved_count));
233 }
234 #endif
235 for (order=0, size=PAGE_SIZE; size<f->size; order++, size<<=1) ;
236
237 while ((p=freelist_get_dma(f, &bus))) {
238 if (order)
239 free_pages(p);
240 else {
241 /* can't free immediately since other blocks in this page may still be in the list */
242 if (((HPT_UPTR)p & (PAGE_SIZE-1))==0)
243 dmapool_put_page((PVBUS)vbus_ext->vbus, p, bus);
244 }
245 }
246 }
247
248 while ((p = dmapool_get_page((PVBUS)vbus_ext->vbus, &bus)))
249 free_pages(p);
250 }
251
hpt_init_vbus(PVBUS_EXT vbus_ext)252 static int hpt_init_vbus(PVBUS_EXT vbus_ext)
253 {
254 PHBA hba;
255
256 for (hba = vbus_ext->hba_list; hba; hba = hba->next)
257 if (!hba->ldm_adapter.him->initialize(hba->ldm_adapter.him_handle)) {
258 KdPrint(("fail to initialize %p", hba));
259 return -1;
260 }
261
262 ldm_initialize_vbus((PVBUS)vbus_ext->vbus, &vbus_ext->hba_list->ldm_adapter);
263 return 0;
264 }
265
hpt_flush_done(PCOMMAND pCmd)266 static void hpt_flush_done(PCOMMAND pCmd)
267 {
268 PVDEV vd = pCmd->target;
269
270 if (mIsArray(vd->type) && vd->u.array.transform && vd!=vd->u.array.transform->target) {
271 vd = vd->u.array.transform->target;
272 HPT_ASSERT(vd);
273 pCmd->target = vd;
274 pCmd->Result = RETURN_PENDING;
275 vdev_queue_cmd(pCmd);
276 return;
277 }
278
279 *(int *)pCmd->priv = 1;
280 wakeup(pCmd);
281 }
282
283 /*
284 * flush a vdev (without retry).
285 */
hpt_flush_vdev(PVBUS_EXT vbus_ext,PVDEV vd)286 static int hpt_flush_vdev(PVBUS_EXT vbus_ext, PVDEV vd)
287 {
288 PCOMMAND pCmd;
289 int result = 0, done;
290 HPT_UINT count;
291
292 KdPrint(("flusing dev %p", vd));
293
294 hpt_lock_vbus(vbus_ext);
295
296 if (mIsArray(vd->type) && vd->u.array.transform)
297 count = max(vd->u.array.transform->source->cmds_per_request,
298 vd->u.array.transform->target->cmds_per_request);
299 else
300 count = vd->cmds_per_request;
301
302 pCmd = ldm_alloc_cmds(vd->vbus, count);
303
304 if (!pCmd) {
305 hpt_unlock_vbus(vbus_ext);
306 return -1;
307 }
308
309 pCmd->type = CMD_TYPE_FLUSH;
310 pCmd->flags.hard_flush = 1;
311 pCmd->target = vd;
312 pCmd->done = hpt_flush_done;
313 done = 0;
314 pCmd->priv = &done;
315
316 ldm_queue_cmd(pCmd);
317
318 if (!done) {
319 while (hpt_sleep(vbus_ext, pCmd, PPAUSE, "hptfls", HPT_OSM_TIMEOUT)) {
320 ldm_reset_vbus(vd->vbus);
321 }
322 }
323
324 KdPrint(("flush result %d", pCmd->Result));
325
326 if (pCmd->Result!=RETURN_SUCCESS)
327 result = -1;
328
329 ldm_free_cmds(pCmd);
330
331 hpt_unlock_vbus(vbus_ext);
332
333 return result;
334 }
335
336 static void hpt_stop_tasks(PVBUS_EXT vbus_ext);
hpt_shutdown_vbus(PVBUS_EXT vbus_ext,int howto)337 static void hpt_shutdown_vbus(PVBUS_EXT vbus_ext, int howto)
338 {
339 PVBUS vbus = (PVBUS)vbus_ext->vbus;
340 PHBA hba;
341 int i;
342
343 KdPrint(("hpt_shutdown_vbus"));
344
345 /* stop all ctl tasks and disable the worker taskqueue */
346 hpt_stop_tasks(vbus_ext);
347 vbus_ext->worker.ta_context = 0;
348
349 /* flush devices */
350 for (i=0; i<osm_max_targets; i++) {
351 PVDEV vd = ldm_find_target(vbus, i);
352 if (vd) {
353 /* retry once */
354 if (hpt_flush_vdev(vbus_ext, vd))
355 hpt_flush_vdev(vbus_ext, vd);
356 }
357 }
358
359 hpt_lock_vbus(vbus_ext);
360 ldm_shutdown(vbus);
361 hpt_unlock_vbus(vbus_ext);
362
363 ldm_release_vbus(vbus);
364
365 for (hba=vbus_ext->hba_list; hba; hba=hba->next)
366 bus_teardown_intr(hba->pcidev, hba->irq_res, hba->irq_handle);
367
368 hpt_free_mem(vbus_ext);
369
370 while ((hba=vbus_ext->hba_list)) {
371 vbus_ext->hba_list = hba->next;
372 free(hba->ldm_adapter.him_handle, M_DEVBUF);
373 }
374 callout_drain(&vbus_ext->timer);
375 mtx_destroy(&vbus_ext->lock);
376 free(vbus_ext, M_DEVBUF);
377 KdPrint(("hpt_shutdown_vbus done"));
378 }
379
__hpt_do_tasks(PVBUS_EXT vbus_ext)380 static void __hpt_do_tasks(PVBUS_EXT vbus_ext)
381 {
382 OSM_TASK *tasks;
383
384 tasks = vbus_ext->tasks;
385 vbus_ext->tasks = 0;
386
387 while (tasks) {
388 OSM_TASK *t = tasks;
389 tasks = t->next;
390 t->next = 0;
391 t->func(vbus_ext->vbus, t->data);
392 }
393 }
394
hpt_do_tasks(PVBUS_EXT vbus_ext,int pending)395 static void hpt_do_tasks(PVBUS_EXT vbus_ext, int pending)
396 {
397 if(vbus_ext){
398 hpt_lock_vbus(vbus_ext);
399 __hpt_do_tasks(vbus_ext);
400 hpt_unlock_vbus(vbus_ext);
401 }
402 }
403
404 static void hpt_action(struct cam_sim *sim, union ccb *ccb);
405 static void hpt_poll(struct cam_sim *sim);
406 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg);
407 static void hpt_pci_intr(void *arg);
408
cmdext_get(PVBUS_EXT vbus_ext)409 static __inline POS_CMDEXT cmdext_get(PVBUS_EXT vbus_ext)
410 {
411 POS_CMDEXT p = vbus_ext->cmdext_list;
412 if (p)
413 vbus_ext->cmdext_list = p->next;
414 return p;
415 }
416
cmdext_put(POS_CMDEXT p)417 static __inline void cmdext_put(POS_CMDEXT p)
418 {
419 p->next = p->vbus_ext->cmdext_list;
420 p->vbus_ext->cmdext_list = p;
421 }
422
hpt_timeout(void * arg)423 static void hpt_timeout(void *arg)
424 {
425 PCOMMAND pCmd = (PCOMMAND)arg;
426 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
427
428 KdPrint(("pCmd %p timeout", pCmd));
429
430 ldm_reset_vbus((PVBUS)ext->vbus_ext->vbus);
431 }
432
os_cmddone(PCOMMAND pCmd)433 static void os_cmddone(PCOMMAND pCmd)
434 {
435 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
436 union ccb *ccb = ext->ccb;
437
438 KdPrint(("<8>os_cmddone(%p, %d)", pCmd, pCmd->Result));
439 callout_stop(&ext->timeout);
440 switch(pCmd->Result) {
441 case RETURN_SUCCESS:
442 ccb->ccb_h.status = CAM_REQ_CMP;
443 break;
444 case RETURN_BAD_DEVICE:
445 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
446 break;
447 case RETURN_DEVICE_BUSY:
448 ccb->ccb_h.status = CAM_BUSY;
449 break;
450 case RETURN_INVALID_REQUEST:
451 ccb->ccb_h.status = CAM_REQ_INVALID;
452 break;
453 case RETURN_SELECTION_TIMEOUT:
454 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
455 break;
456 case RETURN_RETRY:
457 ccb->ccb_h.status = CAM_BUSY;
458 break;
459 default:
460 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR;
461 break;
462 }
463
464 if (pCmd->flags.data_in) {
465 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTREAD);
466 }
467 else if (pCmd->flags.data_out) {
468 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map, BUS_DMASYNC_POSTWRITE);
469 }
470
471 bus_dmamap_unload(ext->vbus_ext->io_dmat, ext->dma_map);
472
473 cmdext_put(ext);
474 ldm_free_cmds(pCmd);
475 xpt_done(ccb);
476 }
477
os_buildsgl(PCOMMAND pCmd,PSG pSg,int logical)478 static int os_buildsgl(PCOMMAND pCmd, PSG pSg, int logical)
479 {
480 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
481 union ccb *ccb = ext->ccb;
482
483 if(logical) {
484 os_set_sgptr(pSg, (HPT_U8 *)ccb->csio.data_ptr);
485 pSg->size = ccb->csio.dxfer_len;
486 pSg->eot = 1;
487 return TRUE;
488 }
489 /* since we have provided physical sg, nobody will ask us to build physical sg */
490 HPT_ASSERT(0);
491 return FALSE;
492 }
493
hpt_io_dmamap_callback(void * arg,bus_dma_segment_t * segs,int nsegs,int error)494 static void hpt_io_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
495 {
496 PCOMMAND pCmd = (PCOMMAND)arg;
497 POS_CMDEXT ext = (POS_CMDEXT)pCmd->priv;
498 PSG psg = pCmd->psg;
499 int idx;
500
501 HPT_ASSERT(pCmd->flags.physical_sg);
502
503 if (error)
504 panic("busdma error");
505
506 HPT_ASSERT(nsegs<=os_max_sg_descriptors);
507
508 if (nsegs != 0) {
509 for (idx = 0; idx < nsegs; idx++, psg++) {
510 psg->addr.bus = segs[idx].ds_addr;
511 psg->size = segs[idx].ds_len;
512 psg->eot = 0;
513 }
514 psg[-1].eot = 1;
515
516 if (pCmd->flags.data_in) {
517 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map,
518 BUS_DMASYNC_PREREAD);
519 }
520 else if (pCmd->flags.data_out) {
521 bus_dmamap_sync(ext->vbus_ext->io_dmat, ext->dma_map,
522 BUS_DMASYNC_PREWRITE);
523 }
524 }
525 callout_reset(&ext->timeout, HPT_OSM_TIMEOUT, hpt_timeout, pCmd);
526 ldm_queue_cmd(pCmd);
527 }
528
hpt_scsi_io(PVBUS_EXT vbus_ext,union ccb * ccb)529 static void hpt_scsi_io(PVBUS_EXT vbus_ext, union ccb *ccb)
530 {
531 PVBUS vbus = (PVBUS)vbus_ext->vbus;
532 PVDEV vd;
533 PCOMMAND pCmd;
534 POS_CMDEXT ext;
535 HPT_U8 *cdb;
536 int error;
537
538 if (ccb->ccb_h.flags & CAM_CDB_POINTER)
539 cdb = ccb->csio.cdb_io.cdb_ptr;
540 else
541 cdb = ccb->csio.cdb_io.cdb_bytes;
542
543 KdPrint(("<8>hpt_scsi_io: ccb %x id %d lun %d cdb %x-%x-%x",
544 ccb,
545 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
546 *(HPT_U32 *)&cdb[0], *(HPT_U32 *)&cdb[4], *(HPT_U32 *)&cdb[8]
547 ));
548
549 /* ccb->ccb_h.path_id is not our bus id - don't check it */
550 if (ccb->ccb_h.target_lun != 0 ||
551 ccb->ccb_h.target_id >= osm_max_targets ||
552 (ccb->ccb_h.flags & CAM_CDB_PHYS))
553 {
554 ccb->ccb_h.status = CAM_TID_INVALID;
555 xpt_done(ccb);
556 return;
557 }
558
559 vd = ldm_find_target(vbus, ccb->ccb_h.target_id);
560
561 if (!vd) {
562 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
563 xpt_done(ccb);
564 return;
565 }
566
567 switch (cdb[0]) {
568 case TEST_UNIT_READY:
569 case START_STOP_UNIT:
570 case SYNCHRONIZE_CACHE:
571 ccb->ccb_h.status = CAM_REQ_CMP;
572 break;
573
574 case INQUIRY:
575 {
576 PINQUIRYDATA inquiryData;
577 memset(ccb->csio.data_ptr, 0, ccb->csio.dxfer_len);
578 inquiryData = (PINQUIRYDATA)ccb->csio.data_ptr;
579
580 inquiryData->AdditionalLength = 31;
581 inquiryData->CommandQueue = 1;
582 memcpy(&inquiryData->VendorId, "HPT ", 8);
583 memcpy(&inquiryData->ProductId, "DISK 0_0 ", 16);
584
585 if (vd->target_id / 10) {
586 inquiryData->ProductId[7] = (vd->target_id % 100) / 10 + '0';
587 inquiryData->ProductId[8] = (vd->target_id % 100) % 10 + '0';
588 }
589 else
590 inquiryData->ProductId[7] = (vd->target_id % 100) % 10 + '0';
591
592 memcpy(&inquiryData->ProductRevisionLevel, "4.00", 4);
593
594 ccb->ccb_h.status = CAM_REQ_CMP;
595 }
596 break;
597
598 case READ_CAPACITY:
599 {
600 HPT_U8 *rbuf = ccb->csio.data_ptr;
601 HPT_U32 cap;
602 HPT_U8 sector_size_shift = 0;
603 HPT_U64 new_cap;
604 HPT_U32 sector_size = 0;
605
606 if (mIsArray(vd->type))
607 sector_size_shift = vd->u.array.sector_size_shift;
608 else{
609 if(vd->type == VD_RAW){
610 sector_size = vd->u.raw.logical_sector_size;
611 }
612
613 switch (sector_size) {
614 case 0x1000:
615 KdPrint(("set 4k setctor size in READ_CAPACITY"));
616 sector_size_shift = 3;
617 break;
618 default:
619 break;
620 }
621 }
622 new_cap = vd->capacity >> sector_size_shift;
623
624 if (new_cap > 0xfffffffful)
625 cap = 0xffffffff;
626 else
627 cap = new_cap - 1;
628
629 rbuf[0] = (HPT_U8)(cap>>24);
630 rbuf[1] = (HPT_U8)(cap>>16);
631 rbuf[2] = (HPT_U8)(cap>>8);
632 rbuf[3] = (HPT_U8)cap;
633 rbuf[4] = 0;
634 rbuf[5] = 0;
635 rbuf[6] = 2 << sector_size_shift;
636 rbuf[7] = 0;
637
638 ccb->ccb_h.status = CAM_REQ_CMP;
639 break;
640 }
641 case REPORT_LUNS:
642 {
643 HPT_U8 *rbuf = ccb->csio.data_ptr;
644 memset(rbuf, 0, 16);
645 rbuf[3] = 8;
646 ccb->ccb_h.status = CAM_REQ_CMP;
647 break;
648 }
649 case SERVICE_ACTION_IN:
650 {
651 HPT_U8 *rbuf = ccb->csio.data_ptr;
652 HPT_U64 cap = 0;
653 HPT_U8 sector_size_shift = 0;
654 HPT_U32 sector_size = 0;
655
656 if(mIsArray(vd->type))
657 sector_size_shift = vd->u.array.sector_size_shift;
658 else{
659 if(vd->type == VD_RAW){
660 sector_size = vd->u.raw.logical_sector_size;
661 }
662
663 switch (sector_size) {
664 case 0x1000:
665 KdPrint(("set 4k setctor size in SERVICE_ACTION_IN"));
666 sector_size_shift = 3;
667 break;
668 default:
669 break;
670 }
671 }
672 cap = (vd->capacity >> sector_size_shift) - 1;
673
674 rbuf[0] = (HPT_U8)(cap>>56);
675 rbuf[1] = (HPT_U8)(cap>>48);
676 rbuf[2] = (HPT_U8)(cap>>40);
677 rbuf[3] = (HPT_U8)(cap>>32);
678 rbuf[4] = (HPT_U8)(cap>>24);
679 rbuf[5] = (HPT_U8)(cap>>16);
680 rbuf[6] = (HPT_U8)(cap>>8);
681 rbuf[7] = (HPT_U8)cap;
682 rbuf[8] = 0;
683 rbuf[9] = 0;
684 rbuf[10] = 2 << sector_size_shift;
685 rbuf[11] = 0;
686
687 ccb->ccb_h.status = CAM_REQ_CMP;
688 break;
689 }
690
691 case READ_6:
692 case READ_10:
693 case READ_16:
694 case WRITE_6:
695 case WRITE_10:
696 case WRITE_16:
697 case 0x13:
698 case 0x2f:
699 case 0x8f: /* VERIFY_16 */
700 {
701 HPT_U8 sector_size_shift = 0;
702 HPT_U32 sector_size = 0;
703 pCmd = ldm_alloc_cmds(vbus, vd->cmds_per_request);
704 if(!pCmd){
705 KdPrint(("Failed to allocate command!"));
706 ccb->ccb_h.status = CAM_BUSY;
707 break;
708 }
709
710 switch (cdb[0]) {
711 case READ_6:
712 case WRITE_6:
713 case 0x13:
714 pCmd->uCmd.Ide.Lba = ((HPT_U32)cdb[1] << 16) | ((HPT_U32)cdb[2] << 8) | (HPT_U32)cdb[3];
715 pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[4];
716 break;
717 case READ_16:
718 case WRITE_16:
719 case 0x8f: /* VERIFY_16 */
720 {
721 HPT_U64 block =
722 ((HPT_U64)cdb[2]<<56) |
723 ((HPT_U64)cdb[3]<<48) |
724 ((HPT_U64)cdb[4]<<40) |
725 ((HPT_U64)cdb[5]<<32) |
726 ((HPT_U64)cdb[6]<<24) |
727 ((HPT_U64)cdb[7]<<16) |
728 ((HPT_U64)cdb[8]<<8) |
729 ((HPT_U64)cdb[9]);
730 pCmd->uCmd.Ide.Lba = block;
731 pCmd->uCmd.Ide.nSectors = (HPT_U16)cdb[13] | ((HPT_U16)cdb[12]<<8);
732 break;
733 }
734
735 default:
736 pCmd->uCmd.Ide.Lba = (HPT_U32)cdb[5] | ((HPT_U32)cdb[4] << 8) | ((HPT_U32)cdb[3] << 16) | ((HPT_U32)cdb[2] << 24);
737 pCmd->uCmd.Ide.nSectors = (HPT_U16) cdb[8] | ((HPT_U16)cdb[7]<<8);
738 break;
739 }
740
741 if(mIsArray(vd->type)) {
742 sector_size_shift = vd->u.array.sector_size_shift;
743 }
744 else{
745 if(vd->type == VD_RAW){
746 sector_size = vd->u.raw.logical_sector_size;
747 }
748
749 switch (sector_size) {
750 case 0x1000:
751 KdPrint(("<8>resize sector size from 4k to 512"));
752 sector_size_shift = 3;
753 break;
754 default:
755 break;
756 }
757 }
758 pCmd->uCmd.Ide.Lba <<= sector_size_shift;
759 pCmd->uCmd.Ide.nSectors <<= sector_size_shift;
760
761
762 switch (cdb[0]) {
763 case READ_6:
764 case READ_10:
765 case READ_16:
766 pCmd->flags.data_in = 1;
767 break;
768 case WRITE_6:
769 case WRITE_10:
770 case WRITE_16:
771 pCmd->flags.data_out = 1;
772 break;
773 }
774 pCmd->priv = ext = cmdext_get(vbus_ext);
775 HPT_ASSERT(ext);
776 ext->ccb = ccb;
777 pCmd->target = vd;
778 pCmd->done = os_cmddone;
779 pCmd->buildsgl = os_buildsgl;
780
781 pCmd->psg = ext->psg;
782 pCmd->flags.physical_sg = 1;
783 error = bus_dmamap_load_ccb(vbus_ext->io_dmat,
784 ext->dma_map, ccb,
785 hpt_io_dmamap_callback, pCmd,
786 BUS_DMA_WAITOK
787 );
788 KdPrint(("<8>bus_dmamap_load return %d", error));
789 if (error && error!=EINPROGRESS) {
790 os_printk("bus_dmamap_load error %d", error);
791 cmdext_put(ext);
792 ldm_free_cmds(pCmd);
793 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
794 xpt_done(ccb);
795 }
796 return;
797 }
798
799 default:
800 ccb->ccb_h.status = CAM_REQ_INVALID;
801 break;
802 }
803
804 xpt_done(ccb);
805 return;
806 }
807
hpt_action(struct cam_sim * sim,union ccb * ccb)808 static void hpt_action(struct cam_sim *sim, union ccb *ccb)
809 {
810 PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim);
811
812 KdPrint(("<8>hpt_action(fn=%d, id=%d)", ccb->ccb_h.func_code, ccb->ccb_h.target_id));
813
814 hpt_assert_vbus_locked(vbus_ext);
815 switch (ccb->ccb_h.func_code) {
816
817 case XPT_SCSI_IO:
818 hpt_scsi_io(vbus_ext, ccb);
819 return;
820
821 case XPT_RESET_BUS:
822 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
823 break;
824
825 case XPT_GET_TRAN_SETTINGS:
826 case XPT_SET_TRAN_SETTINGS:
827 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
828 break;
829
830 case XPT_CALC_GEOMETRY:
831 ccb->ccg.heads = 255;
832 ccb->ccg.secs_per_track = 63;
833 ccb->ccg.cylinders = ccb->ccg.volume_size / (ccb->ccg.heads * ccb->ccg.secs_per_track);
834 ccb->ccb_h.status = CAM_REQ_CMP;
835 break;
836
837 case XPT_PATH_INQ:
838 {
839 struct ccb_pathinq *cpi = &ccb->cpi;
840
841 cpi->version_num = 1;
842 cpi->hba_inquiry = PI_SDTR_ABLE;
843 cpi->target_sprt = 0;
844 cpi->hba_misc = PIM_NOBUSRESET;
845 cpi->hba_eng_cnt = 0;
846 cpi->max_target = osm_max_targets;
847 cpi->max_lun = 0;
848 cpi->unit_number = cam_sim_unit(sim);
849 cpi->bus_id = cam_sim_bus(sim);
850 cpi->initiator_id = osm_max_targets;
851 cpi->base_transfer_speed = 3300;
852
853 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
854 strlcpy(cpi->hba_vid, "HPT ", HBA_IDLEN);
855 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
856 cpi->transport = XPORT_SPI;
857 cpi->transport_version = 2;
858 cpi->protocol = PROTO_SCSI;
859 cpi->protocol_version = SCSI_REV_2;
860 cpi->ccb_h.status = CAM_REQ_CMP;
861 break;
862 }
863
864 default:
865 ccb->ccb_h.status = CAM_REQ_INVALID;
866 break;
867 }
868
869 xpt_done(ccb);
870 return;
871 }
872
hpt_pci_intr(void * arg)873 static void hpt_pci_intr(void *arg)
874 {
875 PVBUS_EXT vbus_ext = (PVBUS_EXT)arg;
876 hpt_lock_vbus(vbus_ext);
877 ldm_intr((PVBUS)vbus_ext->vbus);
878 hpt_unlock_vbus(vbus_ext);
879 }
880
hpt_poll(struct cam_sim * sim)881 static void hpt_poll(struct cam_sim *sim)
882 {
883 PVBUS_EXT vbus_ext = (PVBUS_EXT)cam_sim_softc(sim);
884
885 hpt_assert_vbus_locked(vbus_ext);
886 ldm_intr((PVBUS)vbus_ext->vbus);
887 }
888
hpt_async(void * callback_arg,u_int32_t code,struct cam_path * path,void * arg)889 static void hpt_async(void * callback_arg, u_int32_t code, struct cam_path * path, void * arg)
890 {
891 KdPrint(("<8>hpt_async"));
892 }
893
hpt_shutdown(device_t dev)894 static int hpt_shutdown(device_t dev)
895 {
896 KdPrint(("hpt_shutdown(dev=%p)", dev));
897 return 0;
898 }
899
hpt_detach(device_t dev)900 static int hpt_detach(device_t dev)
901 {
902 /* we don't allow the driver to be unloaded. */
903 return EBUSY;
904 }
905
hpt_ioctl_done(struct _IOCTL_ARG * arg)906 static void hpt_ioctl_done(struct _IOCTL_ARG *arg)
907 {
908 arg->ioctl_cmnd = 0;
909 wakeup(arg);
910 }
911
__hpt_do_ioctl(PVBUS_EXT vbus_ext,IOCTL_ARG * ioctl_args)912 static void __hpt_do_ioctl(PVBUS_EXT vbus_ext, IOCTL_ARG *ioctl_args)
913 {
914 ioctl_args->result = -1;
915 ioctl_args->done = hpt_ioctl_done;
916 ioctl_args->ioctl_cmnd = (void *)1;
917
918 hpt_lock_vbus(vbus_ext);
919 ldm_ioctl((PVBUS)vbus_ext->vbus, ioctl_args);
920
921 while (ioctl_args->ioctl_cmnd) {
922 if (hpt_sleep(vbus_ext, ioctl_args, PPAUSE, "hptctl", HPT_OSM_TIMEOUT)==0)
923 break;
924 ldm_reset_vbus((PVBUS)vbus_ext->vbus);
925 __hpt_do_tasks(vbus_ext);
926 }
927
928 /* KdPrint(("ioctl %x result %d", ioctl_args->dwIoControlCode, ioctl_args->result)); */
929
930 hpt_unlock_vbus(vbus_ext);
931 }
932
hpt_do_ioctl(IOCTL_ARG * ioctl_args)933 static void hpt_do_ioctl(IOCTL_ARG *ioctl_args)
934 {
935 PVBUS vbus;
936 PVBUS_EXT vbus_ext;
937
938 ldm_for_each_vbus(vbus, vbus_ext) {
939 __hpt_do_ioctl(vbus_ext, ioctl_args);
940 if (ioctl_args->result!=HPT_IOCTL_RESULT_WRONG_VBUS)
941 return;
942 }
943 }
944
945 #define HPT_DO_IOCTL(code, inbuf, insize, outbuf, outsize) ({\
946 IOCTL_ARG arg;\
947 arg.dwIoControlCode = code;\
948 arg.lpInBuffer = inbuf;\
949 arg.lpOutBuffer = outbuf;\
950 arg.nInBufferSize = insize;\
951 arg.nOutBufferSize = outsize;\
952 arg.lpBytesReturned = 0;\
953 hpt_do_ioctl(&arg);\
954 arg.result;\
955 })
956
957 #define DEVICEID_VALID(id) ((id) && ((HPT_U32)(id)!=0xffffffff))
958
hpt_get_logical_devices(DEVICEID * pIds,int nMaxCount)959 static int hpt_get_logical_devices(DEVICEID * pIds, int nMaxCount)
960 {
961 int i;
962 HPT_U32 count = nMaxCount-1;
963
964 if (HPT_DO_IOCTL(HPT_IOCTL_GET_LOGICAL_DEVICES,
965 &count, sizeof(HPT_U32), pIds, sizeof(DEVICEID)*nMaxCount))
966 return -1;
967
968 nMaxCount = (int)pIds[0];
969 for (i=0; i<nMaxCount; i++) pIds[i] = pIds[i+1];
970 return nMaxCount;
971 }
972
hpt_get_device_info_v3(DEVICEID id,PLOGICAL_DEVICE_INFO_V3 pInfo)973 static int hpt_get_device_info_v3(DEVICEID id, PLOGICAL_DEVICE_INFO_V3 pInfo)
974 {
975 return HPT_DO_IOCTL(HPT_IOCTL_GET_DEVICE_INFO_V3,
976 &id, sizeof(DEVICEID), pInfo, sizeof(LOGICAL_DEVICE_INFO_V3));
977 }
978
979 /* not belong to this file logically, but we want to use ioctl interface */
__hpt_stop_tasks(PVBUS_EXT vbus_ext,DEVICEID id)980 static int __hpt_stop_tasks(PVBUS_EXT vbus_ext, DEVICEID id)
981 {
982 LOGICAL_DEVICE_INFO_V3 devinfo;
983 int i, result;
984 DEVICEID param[2] = { id, 0 };
985
986 if (hpt_get_device_info_v3(id, &devinfo))
987 return -1;
988
989 if (devinfo.Type!=LDT_ARRAY)
990 return -1;
991
992 if (devinfo.u.array.Flags & ARRAY_FLAG_REBUILDING)
993 param[1] = AS_REBUILD_ABORT;
994 else if (devinfo.u.array.Flags & ARRAY_FLAG_VERIFYING)
995 param[1] = AS_VERIFY_ABORT;
996 else if (devinfo.u.array.Flags & ARRAY_FLAG_INITIALIZING)
997 param[1] = AS_INITIALIZE_ABORT;
998 else if (devinfo.u.array.Flags & ARRAY_FLAG_TRANSFORMING)
999 param[1] = AS_TRANSFORM_ABORT;
1000 else
1001 return -1;
1002
1003 KdPrint(("SET_ARRAY_STATE(%x, %d)", param[0], param[1]));
1004 result = HPT_DO_IOCTL(HPT_IOCTL_SET_ARRAY_STATE,
1005 param, sizeof(param), 0, 0);
1006
1007 for (i=0; i<devinfo.u.array.nDisk; i++)
1008 if (DEVICEID_VALID(devinfo.u.array.Members[i]))
1009 __hpt_stop_tasks(vbus_ext, devinfo.u.array.Members[i]);
1010
1011 return result;
1012 }
1013
hpt_stop_tasks(PVBUS_EXT vbus_ext)1014 static void hpt_stop_tasks(PVBUS_EXT vbus_ext)
1015 {
1016 DEVICEID ids[32];
1017 int i, count;
1018
1019 count = hpt_get_logical_devices((DEVICEID *)&ids, sizeof(ids)/sizeof(ids[0]));
1020
1021 for (i=0; i<count; i++)
1022 __hpt_stop_tasks(vbus_ext, ids[i]);
1023 }
1024
1025 static d_open_t hpt_open;
1026 static d_close_t hpt_close;
1027 static d_ioctl_t hpt_ioctl;
1028 static int hpt_rescan_bus(void);
1029
1030 static struct cdevsw hpt_cdevsw = {
1031 .d_open = hpt_open,
1032 .d_close = hpt_close,
1033 .d_ioctl = hpt_ioctl,
1034 .d_name = driver_name,
1035 .d_version = D_VERSION,
1036 };
1037
1038 static struct intr_config_hook hpt_ich;
1039
1040 /*
1041 * hpt_final_init will be called after all hpt_attach.
1042 */
hpt_final_init(void * dummy)1043 static void hpt_final_init(void *dummy)
1044 {
1045 int i,unit_number=0;
1046 PVBUS_EXT vbus_ext;
1047 PVBUS vbus;
1048 PHBA hba;
1049
1050 /* Clear the config hook */
1051 config_intrhook_disestablish(&hpt_ich);
1052
1053 /* allocate memory */
1054 i = 0;
1055 ldm_for_each_vbus(vbus, vbus_ext) {
1056 if (hpt_alloc_mem(vbus_ext)) {
1057 os_printk("out of memory");
1058 return;
1059 }
1060 i++;
1061 }
1062
1063 if (!i) {
1064 if (bootverbose)
1065 os_printk("no controller detected.");
1066 return;
1067 }
1068
1069 /* initializing hardware */
1070 ldm_for_each_vbus(vbus, vbus_ext) {
1071 /* make timer available here */
1072 mtx_init(&vbus_ext->lock, "hptsleeplock", NULL, MTX_DEF);
1073 callout_init_mtx(&vbus_ext->timer, &vbus_ext->lock, 0);
1074 if (hpt_init_vbus(vbus_ext)) {
1075 os_printk("fail to initialize hardware");
1076 break; /* FIXME */
1077 }
1078 }
1079
1080 /* register CAM interface */
1081 ldm_for_each_vbus(vbus, vbus_ext) {
1082 struct cam_devq *devq;
1083 struct ccb_setasync ccb;
1084
1085 if (bus_dma_tag_create(NULL,/* parent */
1086 4, /* alignment */
1087 BUS_SPACE_MAXADDR_32BIT+1, /* boundary */
1088 BUS_SPACE_MAXADDR, /* lowaddr */
1089 BUS_SPACE_MAXADDR, /* highaddr */
1090 NULL, NULL, /* filter, filterarg */
1091 PAGE_SIZE * (os_max_sg_descriptors-1), /* maxsize */
1092 os_max_sg_descriptors, /* nsegments */
1093 0x10000, /* maxsegsize */
1094 BUS_DMA_WAITOK, /* flags */
1095 busdma_lock_mutex, /* lockfunc */
1096 &vbus_ext->lock, /* lockfuncarg */
1097 &vbus_ext->io_dmat /* tag */))
1098 {
1099 return ;
1100 }
1101
1102 for (i=0; i<os_max_queue_comm; i++) {
1103 POS_CMDEXT ext = (POS_CMDEXT)malloc(sizeof(OS_CMDEXT), M_DEVBUF, M_WAITOK);
1104 ext->vbus_ext = vbus_ext;
1105 ext->next = vbus_ext->cmdext_list;
1106 vbus_ext->cmdext_list = ext;
1107
1108 if (bus_dmamap_create(vbus_ext->io_dmat, 0, &ext->dma_map)) {
1109 os_printk("Can't create dma map(%d)", i);
1110 return ;
1111 }
1112 callout_init_mtx(&ext->timeout, &vbus_ext->lock, 0);
1113 }
1114
1115 if ((devq = cam_simq_alloc(os_max_queue_comm)) == NULL) {
1116 os_printk("cam_simq_alloc failed");
1117 return ;
1118 }
1119 vbus_ext->sim = cam_sim_alloc(hpt_action, hpt_poll, driver_name,
1120 vbus_ext, unit_number, &vbus_ext->lock, os_max_queue_comm, /*tagged*/8, devq);
1121 unit_number++;
1122 if (!vbus_ext->sim) {
1123 os_printk("cam_sim_alloc failed");
1124 cam_simq_free(devq);
1125 return ;
1126 }
1127
1128 hpt_lock_vbus(vbus_ext);
1129 if (xpt_bus_register(vbus_ext->sim, NULL, 0) != CAM_SUCCESS) {
1130 hpt_unlock_vbus(vbus_ext);
1131 os_printk("xpt_bus_register failed");
1132 cam_sim_free(vbus_ext->sim, /*free devq*/ TRUE);
1133 vbus_ext->sim = NULL;
1134 return ;
1135 }
1136
1137 if (xpt_create_path(&vbus_ext->path, /*periph */ NULL,
1138 cam_sim_path(vbus_ext->sim), CAM_TARGET_WILDCARD,
1139 CAM_LUN_WILDCARD) != CAM_REQ_CMP)
1140 {
1141 hpt_unlock_vbus(vbus_ext);
1142 os_printk("xpt_create_path failed");
1143 xpt_bus_deregister(cam_sim_path(vbus_ext->sim));
1144 cam_sim_free(vbus_ext->sim, /*free_devq*/TRUE);
1145 vbus_ext->sim = NULL;
1146 return ;
1147 }
1148
1149 memset(&ccb, 0, sizeof(ccb));
1150 xpt_setup_ccb(&ccb.ccb_h, vbus_ext->path, /*priority*/5);
1151 ccb.ccb_h.func_code = XPT_SASYNC_CB;
1152 ccb.event_enable = AC_LOST_DEVICE;
1153 ccb.callback = hpt_async;
1154 ccb.callback_arg = vbus_ext;
1155 xpt_action((union ccb *)&ccb);
1156 hpt_unlock_vbus(vbus_ext);
1157
1158 for (hba = vbus_ext->hba_list; hba; hba = hba->next) {
1159 int rid = 0;
1160 if ((hba->irq_res = bus_alloc_resource_any(hba->pcidev,
1161 SYS_RES_IRQ, &rid, RF_SHAREABLE | RF_ACTIVE)) == NULL)
1162 {
1163 os_printk("can't allocate interrupt");
1164 return ;
1165 }
1166 if (bus_setup_intr(hba->pcidev, hba->irq_res, INTR_TYPE_CAM | INTR_MPSAFE,
1167 NULL, hpt_pci_intr, vbus_ext, &hba->irq_handle))
1168 {
1169 os_printk("can't set up interrupt");
1170 return ;
1171 }
1172 hba->ldm_adapter.him->intr_control(hba->ldm_adapter.him_handle, HPT_TRUE);
1173
1174 }
1175
1176 vbus_ext->shutdown_eh = EVENTHANDLER_REGISTER(shutdown_final,
1177 hpt_shutdown_vbus, vbus_ext, SHUTDOWN_PRI_DEFAULT);
1178 if (!vbus_ext->shutdown_eh)
1179 os_printk("Shutdown event registration failed");
1180 }
1181
1182 ldm_for_each_vbus(vbus, vbus_ext) {
1183 TASK_INIT(&vbus_ext->worker, 0, (task_fn_t *)hpt_do_tasks, vbus_ext);
1184 if (vbus_ext->tasks)
1185 TASK_ENQUEUE(&vbus_ext->worker);
1186 }
1187
1188 make_dev(&hpt_cdevsw, DRIVER_MINOR, UID_ROOT, GID_OPERATOR,
1189 S_IRUSR | S_IWUSR, "%s", driver_name);
1190 }
1191
1192 #if defined(KLD_MODULE)
1193
1194 typedef struct driverlink *driverlink_t;
1195 struct driverlink {
1196 kobj_class_t driver;
1197 TAILQ_ENTRY(driverlink) link; /* list of drivers in devclass */
1198 };
1199
1200 typedef TAILQ_HEAD(driver_list, driverlink) driver_list_t;
1201
1202 struct devclass {
1203 TAILQ_ENTRY(devclass) link;
1204 devclass_t parent; /* parent in devclass hierarchy */
1205 driver_list_t drivers; /* bus devclasses store drivers for bus */
1206 char *name;
1207 device_t *devices; /* array of devices indexed by unit */
1208 int maxunit; /* size of devices array */
1209 };
1210
override_kernel_driver(void)1211 static void override_kernel_driver(void)
1212 {
1213 driverlink_t dl, dlfirst;
1214 driver_t *tmpdriver;
1215 devclass_t dc = devclass_find("pci");
1216
1217 if (dc){
1218 dlfirst = TAILQ_FIRST(&dc->drivers);
1219 for (dl = dlfirst; dl; dl = TAILQ_NEXT(dl, link)) {
1220 if(strcmp(dl->driver->name, driver_name) == 0) {
1221 tmpdriver=dl->driver;
1222 dl->driver=dlfirst->driver;
1223 dlfirst->driver=tmpdriver;
1224 break;
1225 }
1226 }
1227 }
1228 }
1229
1230 #else
1231 #define override_kernel_driver()
1232 #endif
1233
hpt_init(void * dummy)1234 static void hpt_init(void *dummy)
1235 {
1236 if (bootverbose)
1237 os_printk("%s %s", driver_name_long, driver_ver);
1238
1239 override_kernel_driver();
1240 init_config();
1241
1242 hpt_ich.ich_func = hpt_final_init;
1243 hpt_ich.ich_arg = NULL;
1244 if (config_intrhook_establish(&hpt_ich) != 0) {
1245 printf("%s: cannot establish configuration hook\n",
1246 driver_name_long);
1247 }
1248
1249 }
1250 SYSINIT(hptinit, SI_SUB_CONFIGURE, SI_ORDER_FIRST, hpt_init, NULL);
1251
1252 /*
1253 * CAM driver interface
1254 */
1255 static device_method_t driver_methods[] = {
1256 /* Device interface */
1257 DEVMETHOD(device_probe, hpt_probe),
1258 DEVMETHOD(device_attach, hpt_attach),
1259 DEVMETHOD(device_detach, hpt_detach),
1260 DEVMETHOD(device_shutdown, hpt_shutdown),
1261 { 0, 0 }
1262 };
1263
1264 static driver_t hpt_pci_driver = {
1265 driver_name,
1266 driver_methods,
1267 sizeof(HBA)
1268 };
1269
1270 #ifndef TARGETNAME
1271 #error "no TARGETNAME found"
1272 #endif
1273
1274 /* use this to make TARGETNAME be expanded */
1275 #define __DRIVER_MODULE(p1, p2, p3, p4, p5) DRIVER_MODULE(p1, p2, p3, p4, p5)
1276 #define __MODULE_VERSION(p1, p2) MODULE_VERSION(p1, p2)
1277 #define __MODULE_DEPEND(p1, p2, p3, p4, p5) MODULE_DEPEND(p1, p2, p3, p4, p5)
1278 __DRIVER_MODULE(TARGETNAME, pci, hpt_pci_driver, 0, 0);
1279 __MODULE_VERSION(TARGETNAME, 1);
1280 __MODULE_DEPEND(TARGETNAME, cam, 1, 1, 1);
1281
hpt_open(struct cdev * dev,int flags,int devtype,struct thread * td)1282 static int hpt_open(struct cdev *dev, int flags, int devtype, struct thread *td)
1283 {
1284 return 0;
1285 }
1286
hpt_close(struct cdev * dev,int flags,int devtype,struct thread * td)1287 static int hpt_close(struct cdev *dev, int flags, int devtype, struct thread *td)
1288 {
1289 return 0;
1290 }
1291
hpt_ioctl(struct cdev * dev,u_long cmd,caddr_t data,int fflag,struct thread * td)1292 static int hpt_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag, struct thread *td)
1293 {
1294 PHPT_IOCTL_PARAM piop=(PHPT_IOCTL_PARAM)data;
1295 IOCTL_ARG ioctl_args;
1296 HPT_U32 bytesReturned = 0;
1297
1298 switch (cmd){
1299 case HPT_DO_IOCONTROL:
1300 {
1301 if (piop->Magic == HPT_IOCTL_MAGIC || piop->Magic == HPT_IOCTL_MAGIC32) {
1302 KdPrint(("<8>ioctl=%x in=%p len=%d out=%p len=%d\n",
1303 piop->dwIoControlCode,
1304 piop->lpInBuffer,
1305 piop->nInBufferSize,
1306 piop->lpOutBuffer,
1307 piop->nOutBufferSize));
1308
1309 memset(&ioctl_args, 0, sizeof(ioctl_args));
1310
1311 ioctl_args.dwIoControlCode = piop->dwIoControlCode;
1312 ioctl_args.nInBufferSize = piop->nInBufferSize;
1313 ioctl_args.nOutBufferSize = piop->nOutBufferSize;
1314 ioctl_args.lpBytesReturned = &bytesReturned;
1315
1316 if (ioctl_args.nInBufferSize) {
1317 ioctl_args.lpInBuffer = malloc(ioctl_args.nInBufferSize, M_DEVBUF, M_WAITOK);
1318 if (copyin((void*)piop->lpInBuffer,
1319 ioctl_args.lpInBuffer, piop->nInBufferSize))
1320 goto invalid;
1321 }
1322
1323 if (ioctl_args.nOutBufferSize)
1324 ioctl_args.lpOutBuffer = malloc(ioctl_args.nOutBufferSize, M_DEVBUF, M_WAITOK | M_ZERO);
1325
1326 hpt_do_ioctl(&ioctl_args);
1327
1328 if (ioctl_args.result==HPT_IOCTL_RESULT_OK) {
1329 if (piop->nOutBufferSize) {
1330 if (copyout(ioctl_args.lpOutBuffer,
1331 (void*)piop->lpOutBuffer, piop->nOutBufferSize))
1332 goto invalid;
1333 }
1334 if (piop->lpBytesReturned) {
1335 if (copyout(&bytesReturned,
1336 (void*)piop->lpBytesReturned, sizeof(HPT_U32)))
1337 goto invalid;
1338 }
1339 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF);
1340 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF);
1341 return 0;
1342 }
1343 invalid:
1344 if (ioctl_args.lpInBuffer) free(ioctl_args.lpInBuffer, M_DEVBUF);
1345 if (ioctl_args.lpOutBuffer) free(ioctl_args.lpOutBuffer, M_DEVBUF);
1346 return EFAULT;
1347 }
1348 return EFAULT;
1349 }
1350
1351 case HPT_SCAN_BUS:
1352 {
1353 return hpt_rescan_bus();
1354 }
1355 default:
1356 KdPrint(("invalid command!"));
1357 return EFAULT;
1358 }
1359
1360 }
1361
hpt_rescan_bus(void)1362 static int hpt_rescan_bus(void)
1363 {
1364 union ccb *ccb;
1365 PVBUS vbus;
1366 PVBUS_EXT vbus_ext;
1367
1368 ldm_for_each_vbus(vbus, vbus_ext) {
1369 if ((ccb = xpt_alloc_ccb()) == NULL)
1370 {
1371 return(ENOMEM);
1372 }
1373 if (xpt_create_path(&ccb->ccb_h.path, NULL, cam_sim_path(vbus_ext->sim),
1374 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP)
1375 {
1376 xpt_free_ccb(ccb);
1377 return(EIO);
1378 }
1379 xpt_rescan(ccb);
1380 }
1381 return(0);
1382 }
1383
1384