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Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
[wrt350n-kernel.git] / drivers / scsi / hptiop.c
blobff149ad6bc4ed103e44f7497b174391a94ede468
1 /*
2 * HighPoint RR3xxx/4xxx controller driver for Linux
3 * Copyright (C) 2006-2007 HighPoint Technologies, Inc. All Rights Reserved.
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; version 2 of the License.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * Please report bugs/comments/suggestions to linux@highpoint-tech.com
15 *
16 * For more information, visit http://www.highpoint-tech.com
17 */
18 #include <linux/module.h>
19 #include <linux/types.h>
20 #include <linux/string.h>
21 #include <linux/kernel.h>
22 #include <linux/pci.h>
23 #include <linux/interrupt.h>
24 #include <linux/errno.h>
25 #include <linux/delay.h>
26 #include <linux/timer.h>
27 #include <linux/spinlock.h>
28 #include <linux/hdreg.h>
29 #include <asm/uaccess.h>
30 #include <asm/io.h>
31 #include <asm/div64.h>
32 #include <scsi/scsi_cmnd.h>
33 #include <scsi/scsi_device.h>
34 #include <scsi/scsi.h>
35 #include <scsi/scsi_tcq.h>
36 #include <scsi/scsi_host.h>
37
38 #include "hptiop.h"
39
40 MODULE_AUTHOR("HighPoint Technologies, Inc.");
41 MODULE_DESCRIPTION("HighPoint RocketRAID 3xxx/4xxx Controller Driver");
42
43 static char driver_name[] = "hptiop";
44 static const char driver_name_long[] = "RocketRAID 3xxx/4xxx Controller driver";
45 static const char driver_ver[] = "v1.3 (071203)";
46
47 static int iop_send_sync_msg(struct hptiop_hba *hba, u32 msg, u32 millisec);
48 static void hptiop_finish_scsi_req(struct hptiop_hba *hba, u32 tag,
49 struct hpt_iop_request_scsi_command *req);
50 static void hptiop_host_request_callback_itl(struct hptiop_hba *hba, u32 tag);
51 static void hptiop_iop_request_callback_itl(struct hptiop_hba *hba, u32 tag);
52 static void hptiop_message_callback(struct hptiop_hba *hba, u32 msg);
53
54 static int iop_wait_ready_itl(struct hptiop_hba *hba, u32 millisec)
55 {
56 u32 req = 0;
57 int i;
58
59 for (i = 0; i < millisec; i++) {
60 req = readl(&hba->u.itl.iop->inbound_queue);
61 if (req != IOPMU_QUEUE_EMPTY)
62 break;
63 msleep(1);
64 }
65
66 if (req != IOPMU_QUEUE_EMPTY) {
67 writel(req, &hba->u.itl.iop->outbound_queue);
68 readl(&hba->u.itl.iop->outbound_intstatus);
69 return 0;
70 }
71
72 return -1;
73 }
74
75 static int iop_wait_ready_mv(struct hptiop_hba *hba, u32 millisec)
76 {
77 return iop_send_sync_msg(hba, IOPMU_INBOUND_MSG0_NOP, millisec);
78 }
79
80 static void hptiop_request_callback_itl(struct hptiop_hba *hba, u32 tag)
81 {
82 if (tag & IOPMU_QUEUE_ADDR_HOST_BIT)
83 hptiop_host_request_callback_itl(hba,
84 tag & ~IOPMU_QUEUE_ADDR_HOST_BIT);
85 else
86 hptiop_iop_request_callback_itl(hba, tag);
87 }
88
89 static void hptiop_drain_outbound_queue_itl(struct hptiop_hba *hba)
90 {
91 u32 req;
92
93 while ((req = readl(&hba->u.itl.iop->outbound_queue)) !=
94 IOPMU_QUEUE_EMPTY) {
95
96 if (req & IOPMU_QUEUE_MASK_HOST_BITS)
97 hptiop_request_callback_itl(hba, req);
98 else {
99 struct hpt_iop_request_header __iomem * p;
100
101 p = (struct hpt_iop_request_header __iomem *)
102 ((char __iomem *)hba->u.itl.iop + req);
103
104 if (readl(&p->flags) & IOP_REQUEST_FLAG_SYNC_REQUEST) {
105 if (readl(&p->context))
106 hptiop_request_callback_itl(hba, req);
107 else
108 writel(1, &p->context);
109 }
110 else
111 hptiop_request_callback_itl(hba, req);
112 }
113 }
114 }
115
116 static int iop_intr_itl(struct hptiop_hba *hba)
117 {
118 struct hpt_iopmu_itl __iomem *iop = hba->u.itl.iop;
119 u32 status;
120 int ret = 0;
121
122 status = readl(&iop->outbound_intstatus);
123
124 if (status & IOPMU_OUTBOUND_INT_MSG0) {
125 u32 msg = readl(&iop->outbound_msgaddr0);
126
127 dprintk("received outbound msg %x\n", msg);
128 writel(IOPMU_OUTBOUND_INT_MSG0, &iop->outbound_intstatus);
129 hptiop_message_callback(hba, msg);
130 ret = 1;
131 }
132
133 if (status & IOPMU_OUTBOUND_INT_POSTQUEUE) {
134 hptiop_drain_outbound_queue_itl(hba);
135 ret = 1;
136 }
137
138 return ret;
139 }
140
141 static u64 mv_outbound_read(struct hpt_iopmu_mv __iomem *mu)
142 {
143 u32 outbound_tail = readl(&mu->outbound_tail);
144 u32 outbound_head = readl(&mu->outbound_head);
145
146 if (outbound_tail != outbound_head) {
147 u64 p;
148
149 memcpy_fromio(&p, &mu->outbound_q[mu->outbound_tail], 8);
150 outbound_tail++;
151
152 if (outbound_tail == MVIOP_QUEUE_LEN)
153 outbound_tail = 0;
154 writel(outbound_tail, &mu->outbound_tail);
155 return p;
156 } else
157 return 0;
158 }
159
160 static void mv_inbound_write(u64 p, struct hptiop_hba *hba)
161 {
162 u32 inbound_head = readl(&hba->u.mv.mu->inbound_head);
163 u32 head = inbound_head + 1;
164
165 if (head == MVIOP_QUEUE_LEN)
166 head = 0;
167
168 memcpy_toio(&hba->u.mv.mu->inbound_q[inbound_head], &p, 8);
169 writel(head, &hba->u.mv.mu->inbound_head);
170 writel(MVIOP_MU_INBOUND_INT_POSTQUEUE,
171 &hba->u.mv.regs->inbound_doorbell);
172 }
173
174 static void hptiop_request_callback_mv(struct hptiop_hba *hba, u64 tag)
175 {
176 u32 req_type = (tag >> 5) & 0x7;
177 struct hpt_iop_request_scsi_command *req;
178
179 dprintk("hptiop_request_callback_mv: tag=%llx\n", tag);
180
181 BUG_ON((tag & MVIOP_MU_QUEUE_REQUEST_RETURN_CONTEXT) == 0);
182
183 switch (req_type) {
184 case IOP_REQUEST_TYPE_GET_CONFIG:
185 case IOP_REQUEST_TYPE_SET_CONFIG:
186 hba->msg_done = 1;
187 break;
188
189 case IOP_REQUEST_TYPE_SCSI_COMMAND:
190 req = hba->reqs[tag >> 8].req_virt;
191 if (likely(tag & MVIOP_MU_QUEUE_REQUEST_RESULT_BIT))
192 req->header.result = cpu_to_le32(IOP_RESULT_SUCCESS);
193
194 hptiop_finish_scsi_req(hba, tag>>8, req);
195 break;
196
197 default:
198 break;
199 }
200 }
201
202 static int iop_intr_mv(struct hptiop_hba *hba)
203 {
204 u32 status;
205 int ret = 0;
206
207 status = readl(&hba->u.mv.regs->outbound_doorbell);
208 writel(~status, &hba->u.mv.regs->outbound_doorbell);
209
210 if (status & MVIOP_MU_OUTBOUND_INT_MSG) {
211 u32 msg;
212 msg = readl(&hba->u.mv.mu->outbound_msg);
213 dprintk("received outbound msg %x\n", msg);
214 hptiop_message_callback(hba, msg);
215 ret = 1;
216 }
217
218 if (status & MVIOP_MU_OUTBOUND_INT_POSTQUEUE) {
219 u64 tag;
220
221 while ((tag = mv_outbound_read(hba->u.mv.mu)))
222 hptiop_request_callback_mv(hba, tag);
223 ret = 1;
224 }
225
226 return ret;
227 }
228
229 static int iop_send_sync_request_itl(struct hptiop_hba *hba,
230 void __iomem *_req, u32 millisec)
231 {
232 struct hpt_iop_request_header __iomem *req = _req;
233 u32 i;
234
235 writel(readl(&req->flags) | IOP_REQUEST_FLAG_SYNC_REQUEST, &req->flags);
236 writel(0, &req->context);
237 writel((unsigned long)req - (unsigned long)hba->u.itl.iop,
238 &hba->u.itl.iop->inbound_queue);
239 readl(&hba->u.itl.iop->outbound_intstatus);
240
241 for (i = 0; i < millisec; i++) {
242 iop_intr_itl(hba);
243 if (readl(&req->context))
244 return 0;
245 msleep(1);
246 }
247
248 return -1;
249 }
250
251 static int iop_send_sync_request_mv(struct hptiop_hba *hba,
252 u32 size_bits, u32 millisec)
253 {
254 struct hpt_iop_request_header *reqhdr = hba->u.mv.internal_req;
255 u32 i;
256
257 hba->msg_done = 0;
258 reqhdr->flags |= cpu_to_le32(IOP_REQUEST_FLAG_SYNC_REQUEST);
259 mv_inbound_write(hba->u.mv.internal_req_phy |
260 MVIOP_MU_QUEUE_ADDR_HOST_BIT | size_bits, hba);
261
262 for (i = 0; i < millisec; i++) {
263 iop_intr_mv(hba);
264 if (hba->msg_done)
265 return 0;
266 msleep(1);
267 }
268 return -1;
269 }
270
271 static void hptiop_post_msg_itl(struct hptiop_hba *hba, u32 msg)
272 {
273 writel(msg, &hba->u.itl.iop->inbound_msgaddr0);
274 readl(&hba->u.itl.iop->outbound_intstatus);
275 }
276
277 static void hptiop_post_msg_mv(struct hptiop_hba *hba, u32 msg)
278 {
279 writel(msg, &hba->u.mv.mu->inbound_msg);
280 writel(MVIOP_MU_INBOUND_INT_MSG, &hba->u.mv.regs->inbound_doorbell);
281 readl(&hba->u.mv.regs->inbound_doorbell);
282 }
283
284 static int iop_send_sync_msg(struct hptiop_hba *hba, u32 msg, u32 millisec)
285 {
286 u32 i;
287
288 hba->msg_done = 0;
289 hba->ops->post_msg(hba, msg);
290
291 for (i = 0; i < millisec; i++) {
292 spin_lock_irq(hba->host->host_lock);
293 hba->ops->iop_intr(hba);
294 spin_unlock_irq(hba->host->host_lock);
295 if (hba->msg_done)
296 break;
297 msleep(1);
298 }
299
300 return hba->msg_done? 0 : -1;
301 }
302
303 static int iop_get_config_itl(struct hptiop_hba *hba,
304 struct hpt_iop_request_get_config *config)
305 {
306 u32 req32;
307 struct hpt_iop_request_get_config __iomem *req;
308
309 req32 = readl(&hba->u.itl.iop->inbound_queue);
310 if (req32 == IOPMU_QUEUE_EMPTY)
311 return -1;
312
313 req = (struct hpt_iop_request_get_config __iomem *)
314 ((unsigned long)hba->u.itl.iop + req32);
315
316 writel(0, &req->header.flags);
317 writel(IOP_REQUEST_TYPE_GET_CONFIG, &req->header.type);
318 writel(sizeof(struct hpt_iop_request_get_config), &req->header.size);
319 writel(IOP_RESULT_PENDING, &req->header.result);
320
321 if (iop_send_sync_request_itl(hba, req, 20000)) {
322 dprintk("Get config send cmd failed\n");
323 return -1;
324 }
325
326 memcpy_fromio(config, req, sizeof(*config));
327 writel(req32, &hba->u.itl.iop->outbound_queue);
328 return 0;
329 }
330
331 static int iop_get_config_mv(struct hptiop_hba *hba,
332 struct hpt_iop_request_get_config *config)
333 {
334 struct hpt_iop_request_get_config *req = hba->u.mv.internal_req;
335
336 req->header.flags = cpu_to_le32(IOP_REQUEST_FLAG_OUTPUT_CONTEXT);
337 req->header.type = cpu_to_le32(IOP_REQUEST_TYPE_GET_CONFIG);
338 req->header.size =
339 cpu_to_le32(sizeof(struct hpt_iop_request_get_config));
340 req->header.result = cpu_to_le32(IOP_RESULT_PENDING);
341 req->header.context = cpu_to_le64(IOP_REQUEST_TYPE_GET_CONFIG<<5);
342
343 if (iop_send_sync_request_mv(hba, 0, 20000)) {
344 dprintk("Get config send cmd failed\n");
345 return -1;
346 }
347
348 memcpy(config, req, sizeof(struct hpt_iop_request_get_config));
349 return 0;
350 }
351
352 static int iop_set_config_itl(struct hptiop_hba *hba,
353 struct hpt_iop_request_set_config *config)
354 {
355 u32 req32;
356 struct hpt_iop_request_set_config __iomem *req;
357
358 req32 = readl(&hba->u.itl.iop->inbound_queue);
359 if (req32 == IOPMU_QUEUE_EMPTY)
360 return -1;
361
362 req = (struct hpt_iop_request_set_config __iomem *)
363 ((unsigned long)hba->u.itl.iop + req32);
364
365 memcpy_toio((u8 __iomem *)req + sizeof(struct hpt_iop_request_header),
366 (u8 *)config + sizeof(struct hpt_iop_request_header),
367 sizeof(struct hpt_iop_request_set_config) -
368 sizeof(struct hpt_iop_request_header));
369
370 writel(0, &req->header.flags);
371 writel(IOP_REQUEST_TYPE_SET_CONFIG, &req->header.type);
372 writel(sizeof(struct hpt_iop_request_set_config), &req->header.size);
373 writel(IOP_RESULT_PENDING, &req->header.result);
374
375 if (iop_send_sync_request_itl(hba, req, 20000)) {
376 dprintk("Set config send cmd failed\n");
377 return -1;
378 }
379
380 writel(req32, &hba->u.itl.iop->outbound_queue);
381 return 0;
382 }
383
384 static int iop_set_config_mv(struct hptiop_hba *hba,
385 struct hpt_iop_request_set_config *config)
386 {
387 struct hpt_iop_request_set_config *req = hba->u.mv.internal_req;
388
389 memcpy(req, config, sizeof(struct hpt_iop_request_set_config));
390 req->header.flags = cpu_to_le32(IOP_REQUEST_FLAG_OUTPUT_CONTEXT);
391 req->header.type = cpu_to_le32(IOP_REQUEST_TYPE_SET_CONFIG);
392 req->header.size =
393 cpu_to_le32(sizeof(struct hpt_iop_request_set_config));
394 req->header.result = cpu_to_le32(IOP_RESULT_PENDING);
395 req->header.context = cpu_to_le64(IOP_REQUEST_TYPE_SET_CONFIG<<5);
396
397 if (iop_send_sync_request_mv(hba, 0, 20000)) {
398 dprintk("Set config send cmd failed\n");
399 return -1;
400 }
401
402 return 0;
403 }
404
405 static void hptiop_enable_intr_itl(struct hptiop_hba *hba)
406 {
407 writel(~(IOPMU_OUTBOUND_INT_POSTQUEUE | IOPMU_OUTBOUND_INT_MSG0),
408 &hba->u.itl.iop->outbound_intmask);
409 }
410
411 static void hptiop_enable_intr_mv(struct hptiop_hba *hba)
412 {
413 writel(MVIOP_MU_OUTBOUND_INT_POSTQUEUE | MVIOP_MU_OUTBOUND_INT_MSG,
414 &hba->u.mv.regs->outbound_intmask);
415 }
416
417 static int hptiop_initialize_iop(struct hptiop_hba *hba)
418 {
419 /* enable interrupts */
420 hba->ops->enable_intr(hba);
421
422 hba->initialized = 1;
423
424 /* start background tasks */
425 if (iop_send_sync_msg(hba,
426 IOPMU_INBOUND_MSG0_START_BACKGROUND_TASK, 5000)) {
427 printk(KERN_ERR "scsi%d: fail to start background task\n",
428 hba->host->host_no);
429 return -1;
430 }
431 return 0;
432 }
433
434 static void __iomem *hptiop_map_pci_bar(struct hptiop_hba *hba, int index)
435 {
436 u32 mem_base_phy, length;
437 void __iomem *mem_base_virt;
438
439 struct pci_dev *pcidev = hba->pcidev;
440
441
442 if (!(pci_resource_flags(pcidev, index) & IORESOURCE_MEM)) {
443 printk(KERN_ERR "scsi%d: pci resource invalid\n",
444 hba->host->host_no);
445 return 0;
446 }
447
448 mem_base_phy = pci_resource_start(pcidev, index);
449 length = pci_resource_len(pcidev, index);
450 mem_base_virt = ioremap(mem_base_phy, length);
451
452 if (!mem_base_virt) {
453 printk(KERN_ERR "scsi%d: Fail to ioremap memory space\n",
454 hba->host->host_no);
455 return 0;
456 }
457 return mem_base_virt;
458 }
459
460 static int hptiop_map_pci_bar_itl(struct hptiop_hba *hba)
461 {
462 hba->u.itl.iop = hptiop_map_pci_bar(hba, 0);
463 if (hba->u.itl.iop)
464 return 0;
465 else
466 return -1;
467 }
468
469 static void hptiop_unmap_pci_bar_itl(struct hptiop_hba *hba)
470 {
471 iounmap(hba->u.itl.iop);
472 }
473
474 static int hptiop_map_pci_bar_mv(struct hptiop_hba *hba)
475 {
476 hba->u.mv.regs = hptiop_map_pci_bar(hba, 0);
477 if (hba->u.mv.regs == 0)
478 return -1;
479
480 hba->u.mv.mu = hptiop_map_pci_bar(hba, 2);
481 if (hba->u.mv.mu == 0) {
482 iounmap(hba->u.mv.regs);
483 return -1;
484 }
485
486 return 0;
487 }
488
489 static void hptiop_unmap_pci_bar_mv(struct hptiop_hba *hba)
490 {
491 iounmap(hba->u.mv.regs);
492 iounmap(hba->u.mv.mu);
493 }
494
495 static void hptiop_message_callback(struct hptiop_hba *hba, u32 msg)
496 {
497 dprintk("iop message 0x%x\n", msg);
498
499 if (msg == IOPMU_INBOUND_MSG0_NOP)
500 hba->msg_done = 1;
501
502 if (!hba->initialized)
503 return;
504
505 if (msg == IOPMU_INBOUND_MSG0_RESET) {
506 atomic_set(&hba->resetting, 0);
507 wake_up(&hba->reset_wq);
508 }
509 else if (msg <= IOPMU_INBOUND_MSG0_MAX)
510 hba->msg_done = 1;
511 }
512
513 static struct hptiop_request *get_req(struct hptiop_hba *hba)
514 {
515 struct hptiop_request *ret;
516
517 dprintk("get_req : req=%p\n", hba->req_list);
518
519 ret = hba->req_list;
520 if (ret)
521 hba->req_list = ret->next;
522
523 return ret;
524 }
525
526 static void free_req(struct hptiop_hba *hba, struct hptiop_request *req)
527 {
528 dprintk("free_req(%d, %p)\n", req->index, req);
529 req->next = hba->req_list;
530 hba->req_list = req;
531 }
532
533 static void hptiop_finish_scsi_req(struct hptiop_hba *hba, u32 tag,
534 struct hpt_iop_request_scsi_command *req)
535 {
536 struct scsi_cmnd *scp;
537
538 dprintk("hptiop_finish_scsi_req: req=%p, type=%d, "
539 "result=%d, context=0x%x tag=%d\n",
540 req, req->header.type, req->header.result,
541 req->header.context, tag);
542
543 BUG_ON(!req->header.result);
544 BUG_ON(req->header.type != cpu_to_le32(IOP_REQUEST_TYPE_SCSI_COMMAND));
545
546 scp = hba->reqs[tag].scp;
547
548 if (HPT_SCP(scp)->mapped)
549 scsi_dma_unmap(scp);
550
551 switch (le32_to_cpu(req->header.result)) {
552 case IOP_RESULT_SUCCESS:
553 scsi_set_resid(scp,
554 scsi_bufflen(scp) - le32_to_cpu(req->dataxfer_length));
555 scp->result = (DID_OK<<16);
556 break;
557 case IOP_RESULT_BAD_TARGET:
558 scp->result = (DID_BAD_TARGET<<16);
559 break;
560 case IOP_RESULT_BUSY:
561 scp->result = (DID_BUS_BUSY<<16);
562 break;
563 case IOP_RESULT_RESET:
564 scp->result = (DID_RESET<<16);
565 break;
566 case IOP_RESULT_FAIL:
567 scp->result = (DID_ERROR<<16);
568 break;
569 case IOP_RESULT_INVALID_REQUEST:
570 scp->result = (DID_ABORT<<16);
571 break;
572 case IOP_RESULT_CHECK_CONDITION:
573 scsi_set_resid(scp,
574 scsi_bufflen(scp) - le32_to_cpu(req->dataxfer_length));
575 scp->result = SAM_STAT_CHECK_CONDITION;
576 memcpy(scp->sense_buffer, &req->sg_list,
577 min_t(size_t, SCSI_SENSE_BUFFERSIZE,
578 le32_to_cpu(req->dataxfer_length)));
579 break;
580
581 default:
582 scp->result = ((DRIVER_INVALID|SUGGEST_ABORT)<<24) |
583 (DID_ABORT<<16);
584 break;
585 }
586
587 dprintk("scsi_done(%p)\n", scp);
588 scp->scsi_done(scp);
589 free_req(hba, &hba->reqs[tag]);
590 }
591
592 static void hptiop_host_request_callback_itl(struct hptiop_hba *hba, u32 _tag)
593 {
594 struct hpt_iop_request_scsi_command *req;
595 u32 tag;
596
597 if (hba->iopintf_v2) {
598 tag = _tag & ~IOPMU_QUEUE_REQUEST_RESULT_BIT;
599 req = hba->reqs[tag].req_virt;
600 if (likely(_tag & IOPMU_QUEUE_REQUEST_RESULT_BIT))
601 req->header.result = cpu_to_le32(IOP_RESULT_SUCCESS);
602 } else {
603 tag = _tag;
604 req = hba->reqs[tag].req_virt;
605 }
606
607 hptiop_finish_scsi_req(hba, tag, req);
608 }
609
610 void hptiop_iop_request_callback_itl(struct hptiop_hba *hba, u32 tag)
611 {
612 struct hpt_iop_request_header __iomem *req;
613 struct hpt_iop_request_ioctl_command __iomem *p;
614 struct hpt_ioctl_k *arg;
615
616 req = (struct hpt_iop_request_header __iomem *)
617 ((unsigned long)hba->u.itl.iop + tag);
618 dprintk("hptiop_iop_request_callback_itl: req=%p, type=%d, "
619 "result=%d, context=0x%x tag=%d\n",
620 req, readl(&req->type), readl(&req->result),
621 readl(&req->context), tag);
622
623 BUG_ON(!readl(&req->result));
624 BUG_ON(readl(&req->type) != IOP_REQUEST_TYPE_IOCTL_COMMAND);
625
626 p = (struct hpt_iop_request_ioctl_command __iomem *)req;
627 arg = (struct hpt_ioctl_k *)(unsigned long)
628 (readl(&req->context) |
629 ((u64)readl(&req->context_hi32)<<32));
630
631 if (readl(&req->result) == IOP_RESULT_SUCCESS) {
632 arg->result = HPT_IOCTL_RESULT_OK;
633
634 if (arg->outbuf_size)
635 memcpy_fromio(arg->outbuf,
636 &p->buf[(readl(&p->inbuf_size) + 3)& ~3],
637 arg->outbuf_size);
638
639 if (arg->bytes_returned)
640 *arg->bytes_returned = arg->outbuf_size;
641 }
642 else
643 arg->result = HPT_IOCTL_RESULT_FAILED;
644
645 arg->done(arg);
646 writel(tag, &hba->u.itl.iop->outbound_queue);
647 }
648
649 static irqreturn_t hptiop_intr(int irq, void *dev_id)
650 {
651 struct hptiop_hba *hba = dev_id;
652 int handled;
653 unsigned long flags;
654
655 spin_lock_irqsave(hba->host->host_lock, flags);
656 handled = hba->ops->iop_intr(hba);
657 spin_unlock_irqrestore(hba->host->host_lock, flags);
658
659 return handled;
660 }
661
662 static int hptiop_buildsgl(struct scsi_cmnd *scp, struct hpt_iopsg *psg)
663 {
664 struct Scsi_Host *host = scp->device->host;
665 struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
666 struct scatterlist *sg;
667 int idx, nseg;
668
669 nseg = scsi_dma_map(scp);
670 BUG_ON(nseg < 0);
671 if (!nseg)
672 return 0;
673
674 HPT_SCP(scp)->sgcnt = nseg;
675 HPT_SCP(scp)->mapped = 1;
676
677 BUG_ON(HPT_SCP(scp)->sgcnt > hba->max_sg_descriptors);
678
679 scsi_for_each_sg(scp, sg, HPT_SCP(scp)->sgcnt, idx) {
680 psg[idx].pci_address = cpu_to_le64(sg_dma_address(sg));
681 psg[idx].size = cpu_to_le32(sg_dma_len(sg));
682 psg[idx].eot = (idx == HPT_SCP(scp)->sgcnt - 1) ?
683 cpu_to_le32(1) : 0;
684 }
685 return HPT_SCP(scp)->sgcnt;
686 }
687
688 static void hptiop_post_req_itl(struct hptiop_hba *hba,
689 struct hptiop_request *_req)
690 {
691 struct hpt_iop_request_header *reqhdr = _req->req_virt;
692
693 reqhdr->context = cpu_to_le32(IOPMU_QUEUE_ADDR_HOST_BIT |
694 (u32)_req->index);
695 reqhdr->context_hi32 = 0;
696
697 if (hba->iopintf_v2) {
698 u32 size, size_bits;
699
700 size = le32_to_cpu(reqhdr->size);
701 if (size < 256)
702 size_bits = IOPMU_QUEUE_REQUEST_SIZE_BIT;
703 else if (size < 512)
704 size_bits = IOPMU_QUEUE_ADDR_HOST_BIT;
705 else
706 size_bits = IOPMU_QUEUE_REQUEST_SIZE_BIT |
707 IOPMU_QUEUE_ADDR_HOST_BIT;
708 writel(_req->req_shifted_phy | size_bits,
709 &hba->u.itl.iop->inbound_queue);
710 } else
711 writel(_req->req_shifted_phy | IOPMU_QUEUE_ADDR_HOST_BIT,
712 &hba->u.itl.iop->inbound_queue);
713 }
714
715 static void hptiop_post_req_mv(struct hptiop_hba *hba,
716 struct hptiop_request *_req)
717 {
718 struct hpt_iop_request_header *reqhdr = _req->req_virt;
719 u32 size, size_bit;
720
721 reqhdr->context = cpu_to_le32(_req->index<<8 |
722 IOP_REQUEST_TYPE_SCSI_COMMAND<<5);
723 reqhdr->context_hi32 = 0;
724 size = le32_to_cpu(reqhdr->size);
725
726 if (size <= 256)
727 size_bit = 0;
728 else if (size <= 256*2)
729 size_bit = 1;
730 else if (size <= 256*3)
731 size_bit = 2;
732 else
733 size_bit = 3;
734
735 mv_inbound_write((_req->req_shifted_phy << 5) |
736 MVIOP_MU_QUEUE_ADDR_HOST_BIT | size_bit, hba);
737 }
738
739 static int hptiop_queuecommand(struct scsi_cmnd *scp,
740 void (*done)(struct scsi_cmnd *))
741 {
742 struct Scsi_Host *host = scp->device->host;
743 struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
744 struct hpt_iop_request_scsi_command *req;
745 int sg_count = 0;
746 struct hptiop_request *_req;
747
748 BUG_ON(!done);
749 scp->scsi_done = done;
750
751 _req = get_req(hba);
752 if (_req == NULL) {
753 dprintk("hptiop_queuecmd : no free req\n");
754 return SCSI_MLQUEUE_HOST_BUSY;
755 }
756
757 _req->scp = scp;
758
759 dprintk("hptiop_queuecmd(scp=%p) %d/%d/%d/%d cdb=(%x-%x-%x) "
760 "req_index=%d, req=%p\n",
761 scp,
762 host->host_no, scp->device->channel,
763 scp->device->id, scp->device->lun,
764 *((u32 *)&scp->cmnd),
765 *((u32 *)&scp->cmnd + 1),
766 *((u32 *)&scp->cmnd + 2),
767 _req->index, _req->req_virt);
768
769 scp->result = 0;
770
771 if (scp->device->channel || scp->device->lun ||
772 scp->device->id > hba->max_devices) {
773 scp->result = DID_BAD_TARGET << 16;
774 free_req(hba, _req);
775 goto cmd_done;
776 }
777
778 req = _req->req_virt;
779
780 /* build S/G table */
781 sg_count = hptiop_buildsgl(scp, req->sg_list);
782 if (!sg_count)
783 HPT_SCP(scp)->mapped = 0;
784
785 req->header.flags = cpu_to_le32(IOP_REQUEST_FLAG_OUTPUT_CONTEXT);
786 req->header.type = cpu_to_le32(IOP_REQUEST_TYPE_SCSI_COMMAND);
787 req->header.result = cpu_to_le32(IOP_RESULT_PENDING);
788 req->dataxfer_length = cpu_to_le32(scsi_bufflen(scp));
789 req->channel = scp->device->channel;
790 req->target = scp->device->id;
791 req->lun = scp->device->lun;
792 req->header.size = cpu_to_le32(
793 sizeof(struct hpt_iop_request_scsi_command)
794 - sizeof(struct hpt_iopsg)
795 + sg_count * sizeof(struct hpt_iopsg));
796
797 memcpy(req->cdb, scp->cmnd, sizeof(req->cdb));
798 hba->ops->post_req(hba, _req);
799 return 0;
800
801 cmd_done:
802 dprintk("scsi_done(scp=%p)\n", scp);
803 scp->scsi_done(scp);
804 return 0;
805 }
806
807 static const char *hptiop_info(struct Scsi_Host *host)
808 {
809 return driver_name_long;
810 }
811
812 static int hptiop_reset_hba(struct hptiop_hba *hba)
813 {
814 if (atomic_xchg(&hba->resetting, 1) == 0) {
815 atomic_inc(&hba->reset_count);
816 hba->ops->post_msg(hba, IOPMU_INBOUND_MSG0_RESET);
817 }
818
819 wait_event_timeout(hba->reset_wq,
820 atomic_read(&hba->resetting) == 0, 60 * HZ);
821
822 if (atomic_read(&hba->resetting)) {
823 /* IOP is in unkown state, abort reset */
824 printk(KERN_ERR "scsi%d: reset failed\n", hba->host->host_no);
825 return -1;
826 }
827
828 if (iop_send_sync_msg(hba,
829 IOPMU_INBOUND_MSG0_START_BACKGROUND_TASK, 5000)) {
830 dprintk("scsi%d: fail to start background task\n",
831 hba->host->host_no);
832 }
833
834 return 0;
835 }
836
837 static int hptiop_reset(struct scsi_cmnd *scp)
838 {
839 struct Scsi_Host * host = scp->device->host;
840 struct hptiop_hba * hba = (struct hptiop_hba *)host->hostdata;
841
842 printk(KERN_WARNING "hptiop_reset(%d/%d/%d) scp=%p\n",
843 scp->device->host->host_no, scp->device->channel,
844 scp->device->id, scp);
845
846 return hptiop_reset_hba(hba)? FAILED : SUCCESS;
847 }
848
849 static int hptiop_adjust_disk_queue_depth(struct scsi_device *sdev,
850 int queue_depth)
851 {
852 struct hptiop_hba *hba = (struct hptiop_hba *)sdev->host->hostdata;
853
854 if (queue_depth > hba->max_requests)
855 queue_depth = hba->max_requests;
856 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, queue_depth);
857 return queue_depth;
858 }
859
860 static ssize_t hptiop_show_version(struct class_device *class_dev, char *buf)
861 {
862 return snprintf(buf, PAGE_SIZE, "%s\n", driver_ver);
863 }
864
865 static ssize_t hptiop_show_fw_version(struct class_device *class_dev, char *buf)
866 {
867 struct Scsi_Host *host = class_to_shost(class_dev);
868 struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
869
870 return snprintf(buf, PAGE_SIZE, "%d.%d.%d.%d\n",
871 hba->firmware_version >> 24,
872 (hba->firmware_version >> 16) & 0xff,
873 (hba->firmware_version >> 8) & 0xff,
874 hba->firmware_version & 0xff);
875 }
876
877 static struct class_device_attribute hptiop_attr_version = {
878 .attr = {
879 .name = "driver-version",
880 .mode = S_IRUGO,
881 },
882 .show = hptiop_show_version,
883 };
884
885 static struct class_device_attribute hptiop_attr_fw_version = {
886 .attr = {
887 .name = "firmware-version",
888 .mode = S_IRUGO,
889 },
890 .show = hptiop_show_fw_version,
891 };
892
893 static struct class_device_attribute *hptiop_attrs[] = {
894 &hptiop_attr_version,
895 &hptiop_attr_fw_version,
896 NULL
897 };
898
899 static struct scsi_host_template driver_template = {
900 .module = THIS_MODULE,
901 .name = driver_name,
902 .queuecommand = hptiop_queuecommand,
903 .eh_device_reset_handler = hptiop_reset,
904 .eh_bus_reset_handler = hptiop_reset,
905 .info = hptiop_info,
906 .unchecked_isa_dma = 0,
907 .emulated = 0,
908 .use_clustering = ENABLE_CLUSTERING,
909 .proc_name = driver_name,
910 .shost_attrs = hptiop_attrs,
911 .this_id = -1,
912 .change_queue_depth = hptiop_adjust_disk_queue_depth,
913 };
914
915 static int hptiop_internal_memalloc_mv(struct hptiop_hba *hba)
916 {
917 hba->u.mv.internal_req = dma_alloc_coherent(&hba->pcidev->dev,
918 0x800, &hba->u.mv.internal_req_phy, GFP_KERNEL);
919 if (hba->u.mv.internal_req)
920 return 0;
921 else
922 return -1;
923 }
924
925 static int hptiop_internal_memfree_mv(struct hptiop_hba *hba)
926 {
927 if (hba->u.mv.internal_req) {
928 dma_free_coherent(&hba->pcidev->dev, 0x800,
929 hba->u.mv.internal_req, hba->u.mv.internal_req_phy);
930 return 0;
931 } else
932 return -1;
933 }
934
935 static int __devinit hptiop_probe(struct pci_dev *pcidev,
936 const struct pci_device_id *id)
937 {
938 struct Scsi_Host *host = NULL;
939 struct hptiop_hba *hba;
940 struct hpt_iop_request_get_config iop_config;
941 struct hpt_iop_request_set_config set_config;
942 dma_addr_t start_phy;
943 void *start_virt;
944 u32 offset, i, req_size;
945
946 dprintk("hptiop_probe(%p)\n", pcidev);
947
948 if (pci_enable_device(pcidev)) {
949 printk(KERN_ERR "hptiop: fail to enable pci device\n");
950 return -ENODEV;
951 }
952
953 printk(KERN_INFO "adapter at PCI %d:%d:%d, IRQ %d\n",
954 pcidev->bus->number, pcidev->devfn >> 3, pcidev->devfn & 7,
955 pcidev->irq);
956
957 pci_set_master(pcidev);
958
959 /* Enable 64bit DMA if possible */
960 if (pci_set_dma_mask(pcidev, DMA_64BIT_MASK)) {
961 if (pci_set_dma_mask(pcidev, DMA_32BIT_MASK)) {
962 printk(KERN_ERR "hptiop: fail to set dma_mask\n");
963 goto disable_pci_device;
964 }
965 }
966
967 if (pci_request_regions(pcidev, driver_name)) {
968 printk(KERN_ERR "hptiop: pci_request_regions failed\n");
969 goto disable_pci_device;
970 }
971
972 host = scsi_host_alloc(&driver_template, sizeof(struct hptiop_hba));
973 if (!host) {
974 printk(KERN_ERR "hptiop: fail to alloc scsi host\n");
975 goto free_pci_regions;
976 }
977
978 hba = (struct hptiop_hba *)host->hostdata;
979
980 hba->ops = (struct hptiop_adapter_ops *)id->driver_data;
981 hba->pcidev = pcidev;
982 hba->host = host;
983 hba->initialized = 0;
984 hba->iopintf_v2 = 0;
985
986 atomic_set(&hba->resetting, 0);
987 atomic_set(&hba->reset_count, 0);
988
989 init_waitqueue_head(&hba->reset_wq);
990 init_waitqueue_head(&hba->ioctl_wq);
991
992 host->max_lun = 1;
993 host->max_channel = 0;
994 host->io_port = 0;
995 host->n_io_port = 0;
996 host->irq = pcidev->irq;
997
998 if (hba->ops->map_pci_bar(hba))
999 goto free_scsi_host;
1000
1001 if (hba->ops->iop_wait_ready(hba, 20000)) {
1002 printk(KERN_ERR "scsi%d: firmware not ready\n",
1003 hba->host->host_no);
1004 goto unmap_pci_bar;
1005 }
1006
1007 if (hba->ops->internal_memalloc) {
1008 if (hba->ops->internal_memalloc(hba)) {
1009 printk(KERN_ERR "scsi%d: internal_memalloc failed\n",
1010 hba->host->host_no);
1011 goto unmap_pci_bar;
1012 }
1013 }
1014
1015 if (hba->ops->get_config(hba, &iop_config)) {
1016 printk(KERN_ERR "scsi%d: get config failed\n",
1017 hba->host->host_no);
1018 goto unmap_pci_bar;
1019 }
1020
1021 hba->max_requests = min(le32_to_cpu(iop_config.max_requests),
1022 HPTIOP_MAX_REQUESTS);
1023 hba->max_devices = le32_to_cpu(iop_config.max_devices);
1024 hba->max_request_size = le32_to_cpu(iop_config.request_size);
1025 hba->max_sg_descriptors = le32_to_cpu(iop_config.max_sg_count);
1026 hba->firmware_version = le32_to_cpu(iop_config.firmware_version);
1027 hba->interface_version = le32_to_cpu(iop_config.interface_version);
1028 hba->sdram_size = le32_to_cpu(iop_config.sdram_size);
1029
1030 if (hba->firmware_version > 0x01020000 ||
1031 hba->interface_version > 0x01020000)
1032 hba->iopintf_v2 = 1;
1033
1034 host->max_sectors = le32_to_cpu(iop_config.data_transfer_length) >> 9;
1035 host->max_id = le32_to_cpu(iop_config.max_devices);
1036 host->sg_tablesize = le32_to_cpu(iop_config.max_sg_count);
1037 host->can_queue = le32_to_cpu(iop_config.max_requests);
1038 host->cmd_per_lun = le32_to_cpu(iop_config.max_requests);
1039 host->max_cmd_len = 16;
1040
1041 req_size = sizeof(struct hpt_iop_request_scsi_command)
1042 + sizeof(struct hpt_iopsg) * (hba->max_sg_descriptors - 1);
1043 if ((req_size & 0x1f) != 0)
1044 req_size = (req_size + 0x1f) & ~0x1f;
1045
1046 memset(&set_config, 0, sizeof(struct hpt_iop_request_set_config));
1047 set_config.iop_id = cpu_to_le32(host->host_no);
1048 set_config.vbus_id = cpu_to_le16(host->host_no);
1049 set_config.max_host_request_size = cpu_to_le16(req_size);
1050
1051 if (hba->ops->set_config(hba, &set_config)) {
1052 printk(KERN_ERR "scsi%d: set config failed\n",
1053 hba->host->host_no);
1054 goto unmap_pci_bar;
1055 }
1056
1057 pci_set_drvdata(pcidev, host);
1058
1059 if (request_irq(pcidev->irq, hptiop_intr, IRQF_SHARED,
1060 driver_name, hba)) {
1061 printk(KERN_ERR "scsi%d: request irq %d failed\n",
1062 hba->host->host_no, pcidev->irq);
1063 goto unmap_pci_bar;
1064 }
1065
1066 /* Allocate request mem */
1067
1068 dprintk("req_size=%d, max_requests=%d\n", req_size, hba->max_requests);
1069
1070 hba->req_size = req_size;
1071 start_virt = dma_alloc_coherent(&pcidev->dev,
1072 hba->req_size*hba->max_requests + 0x20,
1073 &start_phy, GFP_KERNEL);
1074
1075 if (!start_virt) {
1076 printk(KERN_ERR "scsi%d: fail to alloc request mem\n",
1077 hba->host->host_no);
1078 goto free_request_irq;
1079 }
1080
1081 hba->dma_coherent = start_virt;
1082 hba->dma_coherent_handle = start_phy;
1083
1084 if ((start_phy & 0x1f) != 0)
1085 {
1086 offset = ((start_phy + 0x1f) & ~0x1f) - start_phy;
1087 start_phy += offset;
1088 start_virt += offset;
1089 }
1090
1091 hba->req_list = start_virt;
1092 for (i = 0; i < hba->max_requests; i++) {
1093 hba->reqs[i].next = NULL;
1094 hba->reqs[i].req_virt = start_virt;
1095 hba->reqs[i].req_shifted_phy = start_phy >> 5;
1096 hba->reqs[i].index = i;
1097 free_req(hba, &hba->reqs[i]);
1098 start_virt = (char *)start_virt + hba->req_size;
1099 start_phy = start_phy + hba->req_size;
1100 }
1101
1102 /* Enable Interrupt and start background task */
1103 if (hptiop_initialize_iop(hba))
1104 goto free_request_mem;
1105
1106 if (scsi_add_host(host, &pcidev->dev)) {
1107 printk(KERN_ERR "scsi%d: scsi_add_host failed\n",
1108 hba->host->host_no);
1109 goto free_request_mem;
1110 }
1111
1112
1113 scsi_scan_host(host);
1114
1115 dprintk("scsi%d: hptiop_probe successfully\n", hba->host->host_no);
1116 return 0;
1117
1118 free_request_mem:
1119 dma_free_coherent(&hba->pcidev->dev,
1120 hba->req_size * hba->max_requests + 0x20,
1121 hba->dma_coherent, hba->dma_coherent_handle);
1122
1123 free_request_irq:
1124 free_irq(hba->pcidev->irq, hba);
1125
1126 unmap_pci_bar:
1127 if (hba->ops->internal_memfree)
1128 hba->ops->internal_memfree(hba);
1129
1130 hba->ops->unmap_pci_bar(hba);
1131
1132 free_scsi_host:
1133 scsi_host_put(host);
1134
1135 free_pci_regions:
1136 pci_release_regions(pcidev);
1137
1138 disable_pci_device:
1139 pci_disable_device(pcidev);
1140
1141 dprintk("scsi%d: hptiop_probe fail\n", host->host_no);
1142 return -ENODEV;
1143 }
1144
1145 static void hptiop_shutdown(struct pci_dev *pcidev)
1146 {
1147 struct Scsi_Host *host = pci_get_drvdata(pcidev);
1148 struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
1149
1150 dprintk("hptiop_shutdown(%p)\n", hba);
1151
1152 /* stop the iop */
1153 if (iop_send_sync_msg(hba, IOPMU_INBOUND_MSG0_SHUTDOWN, 60000))
1154 printk(KERN_ERR "scsi%d: shutdown the iop timeout\n",
1155 hba->host->host_no);
1156
1157 /* disable all outbound interrupts */
1158 hba->ops->disable_intr(hba);
1159 }
1160
1161 static void hptiop_disable_intr_itl(struct hptiop_hba *hba)
1162 {
1163 u32 int_mask;
1164
1165 int_mask = readl(&hba->u.itl.iop->outbound_intmask);
1166 writel(int_mask |
1167 IOPMU_OUTBOUND_INT_MSG0 | IOPMU_OUTBOUND_INT_POSTQUEUE,
1168 &hba->u.itl.iop->outbound_intmask);
1169 readl(&hba->u.itl.iop->outbound_intmask);
1170 }
1171
1172 static void hptiop_disable_intr_mv(struct hptiop_hba *hba)
1173 {
1174 writel(0, &hba->u.mv.regs->outbound_intmask);
1175 readl(&hba->u.mv.regs->outbound_intmask);
1176 }
1177
1178 static void hptiop_remove(struct pci_dev *pcidev)
1179 {
1180 struct Scsi_Host *host = pci_get_drvdata(pcidev);
1181 struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
1182
1183 dprintk("scsi%d: hptiop_remove\n", hba->host->host_no);
1184
1185 scsi_remove_host(host);
1186
1187 hptiop_shutdown(pcidev);
1188
1189 free_irq(hba->pcidev->irq, hba);
1190
1191 dma_free_coherent(&hba->pcidev->dev,
1192 hba->req_size * hba->max_requests + 0x20,
1193 hba->dma_coherent,
1194 hba->dma_coherent_handle);
1195
1196 if (hba->ops->internal_memfree)
1197 hba->ops->internal_memfree(hba);
1198
1199 hba->ops->unmap_pci_bar(hba);
1200
1201 pci_release_regions(hba->pcidev);
1202 pci_set_drvdata(hba->pcidev, NULL);
1203 pci_disable_device(hba->pcidev);
1204
1205 scsi_host_put(host);
1206 }
1207
1208 static struct hptiop_adapter_ops hptiop_itl_ops = {
1209 .iop_wait_ready = iop_wait_ready_itl,
1210 .internal_memalloc = 0,
1211 .internal_memfree = 0,
1212 .map_pci_bar = hptiop_map_pci_bar_itl,
1213 .unmap_pci_bar = hptiop_unmap_pci_bar_itl,
1214 .enable_intr = hptiop_enable_intr_itl,
1215 .disable_intr = hptiop_disable_intr_itl,
1216 .get_config = iop_get_config_itl,
1217 .set_config = iop_set_config_itl,
1218 .iop_intr = iop_intr_itl,
1219 .post_msg = hptiop_post_msg_itl,
1220 .post_req = hptiop_post_req_itl,
1221 };
1222
1223 static struct hptiop_adapter_ops hptiop_mv_ops = {
1224 .iop_wait_ready = iop_wait_ready_mv,
1225 .internal_memalloc = hptiop_internal_memalloc_mv,
1226 .internal_memfree = hptiop_internal_memfree_mv,
1227 .map_pci_bar = hptiop_map_pci_bar_mv,
1228 .unmap_pci_bar = hptiop_unmap_pci_bar_mv,
1229 .enable_intr = hptiop_enable_intr_mv,
1230 .disable_intr = hptiop_disable_intr_mv,
1231 .get_config = iop_get_config_mv,
1232 .set_config = iop_set_config_mv,
1233 .iop_intr = iop_intr_mv,
1234 .post_msg = hptiop_post_msg_mv,
1235 .post_req = hptiop_post_req_mv,
1236 };
1237
1238 static struct pci_device_id hptiop_id_table[] = {
1239 { PCI_VDEVICE(TTI, 0x3220), (kernel_ulong_t)&hptiop_itl_ops },
1240 { PCI_VDEVICE(TTI, 0x3320), (kernel_ulong_t)&hptiop_itl_ops },
1241 { PCI_VDEVICE(TTI, 0x3520), (kernel_ulong_t)&hptiop_itl_ops },
1242 { PCI_VDEVICE(TTI, 0x4320), (kernel_ulong_t)&hptiop_itl_ops },
1243 { PCI_VDEVICE(TTI, 0x3510), (kernel_ulong_t)&hptiop_itl_ops },
1244 { PCI_VDEVICE(TTI, 0x3511), (kernel_ulong_t)&hptiop_itl_ops },
1245 { PCI_VDEVICE(TTI, 0x3521), (kernel_ulong_t)&hptiop_itl_ops },
1246 { PCI_VDEVICE(TTI, 0x3522), (kernel_ulong_t)&hptiop_itl_ops },
1247 { PCI_VDEVICE(TTI, 0x3410), (kernel_ulong_t)&hptiop_itl_ops },
1248 { PCI_VDEVICE(TTI, 0x3540), (kernel_ulong_t)&hptiop_itl_ops },
1249 { PCI_VDEVICE(TTI, 0x3120), (kernel_ulong_t)&hptiop_mv_ops },
1250 { PCI_VDEVICE(TTI, 0x3122), (kernel_ulong_t)&hptiop_mv_ops },
1251 { PCI_VDEVICE(TTI, 0x3020), (kernel_ulong_t)&hptiop_mv_ops },
1252 {},
1253 };
1254
1255 MODULE_DEVICE_TABLE(pci, hptiop_id_table);
1256
1257 static struct pci_driver hptiop_pci_driver = {
1258 .name = driver_name,
1259 .id_table = hptiop_id_table,
1260 .probe = hptiop_probe,
1261 .remove = hptiop_remove,
1262 .shutdown = hptiop_shutdown,
1263 };
1264
1265 static int __init hptiop_module_init(void)
1266 {
1267 printk(KERN_INFO "%s %s\n", driver_name_long, driver_ver);
1268 return pci_register_driver(&hptiop_pci_driver);
1269 }
1270
1271 static void __exit hptiop_module_exit(void)
1272 {
1273 pci_unregister_driver(&hptiop_pci_driver);
1274 }
1275
1276
1277 module_init(hptiop_module_init);
1278 module_exit(hptiop_module_exit);
1279
1280 MODULE_LICENSE("GPL");
1281
WRT350N Kernel Patches