]> Git Repo - linux.git/blame - drivers/scsi/hptiop.c
projects / linux.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Linux 2.6.27-rc1
[linux.git] / drivers / scsi / hptiop.c
CommitLineData
ede1e6f8 1/*
00f59701 2 * HighPoint RR3xxx/4xxx controller driver for Linux
db9b6e89 3 * Copyright (C) 2006-2007 HighPoint Technologies, Inc. All Rights Reserved.
ede1e6f8
HLT		 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 [email protected]
15 *
16 * For more information, visit http://www.highpoint-tech.com
17 */
ede1e6f8
HLT		 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
40MODULE_AUTHOR("HighPoint Technologies, Inc.");
00f59701 41MODULE_DESCRIPTION("HighPoint RocketRAID 3xxx/4xxx Controller Driver");
ede1e6f8
HLT		 42
43static char driver_name[] = "hptiop";
00f59701
HLT		 44static const char driver_name_long[] = "RocketRAID 3xxx/4xxx Controller driver";
45static const char driver_ver[] = "v1.3 (071203)";
46
47static int iop_send_sync_msg(struct hptiop_hba *hba, u32 msg, u32 millisec);
48static void hptiop_finish_scsi_req(struct hptiop_hba *hba, u32 tag,
49 struct hpt_iop_request_scsi_command *req);
50static void hptiop_host_request_callback_itl(struct hptiop_hba *hba, u32 tag);
51static void hptiop_iop_request_callback_itl(struct hptiop_hba *hba, u32 tag);
ede1e6f8
HLT		 52static void hptiop_message_callback(struct hptiop_hba *hba, u32 msg);
53
00f59701 54static int iop_wait_ready_itl(struct hptiop_hba *hba, u32 millisec)
ede1e6f8
HLT		 55{
56 u32 req = 0;
57 int i;
58
59 for (i = 0; i < millisec; i++) {
00f59701 60 req = readl(&hba->u.itl.iop->inbound_queue);
ede1e6f8
HLT		 61 if (req != IOPMU_QUEUE_EMPTY)
62 break;
63 msleep(1);
64 }
65
66 if (req != IOPMU_QUEUE_EMPTY) {
00f59701
HLT		 67 writel(req, &hba->u.itl.iop->outbound_queue);
68 readl(&hba->u.itl.iop->outbound_intstatus);
ede1e6f8
HLT		 69 return 0;
70 }
71
72 return -1;
73}
74
00f59701
HLT		 75static 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
80static void hptiop_request_callback_itl(struct hptiop_hba *hba, u32 tag)
ede1e6f8 81{
db9b6e89 82 if (tag & IOPMU_QUEUE_ADDR_HOST_BIT)
00f59701 83 hptiop_host_request_callback_itl(hba,
ede1e6f8
HLT		 84 tag & ~IOPMU_QUEUE_ADDR_HOST_BIT);
85 else
00f59701 86 hptiop_iop_request_callback_itl(hba, tag);
ede1e6f8
HLT		 87}
88
00f59701 89static void hptiop_drain_outbound_queue_itl(struct hptiop_hba *hba)
ede1e6f8
HLT		 90{
91 u32 req;
92
00f59701
HLT		 93 while ((req = readl(&hba->u.itl.iop->outbound_queue)) !=
94 IOPMU_QUEUE_EMPTY) {
ede1e6f8
HLT		 95
96 if (req & IOPMU_QUEUE_MASK_HOST_BITS)
00f59701 97 hptiop_request_callback_itl(hba, req);
ede1e6f8
HLT		 98 else {
99 struct hpt_iop_request_header __iomem * p;
100
101 p = (struct hpt_iop_request_header __iomem *)
00f59701 102 ((char __iomem *)hba->u.itl.iop + req);
ede1e6f8
HLT		 103
104 if (readl(&p->flags) & IOP_REQUEST_FLAG_SYNC_REQUEST) {
105 if (readl(&p->context))
00f59701 106 hptiop_request_callback_itl(hba, req);
ede1e6f8
HLT		 107 else
108 writel(1, &p->context);
109 }
110 else
00f59701 111 hptiop_request_callback_itl(hba, req);
ede1e6f8
HLT		 112 }
113 }
114}
115
00f59701 116static int iop_intr_itl(struct hptiop_hba *hba)
ede1e6f8 117{
00f59701 118 struct hpt_iopmu_itl __iomem *iop = hba->u.itl.iop;
ede1e6f8
HLT		 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);
00f59701 126
ede1e6f8
HLT		 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) {
00f59701
HLT		 134 hptiop_drain_outbound_queue_itl(hba);
135 ret = 1;
136 }
137
138 return ret;
139}
140
141static 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
160static 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
174static 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
202static 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);
ede1e6f8
HLT		 223 ret = 1;
224 }
225
226 return ret;
227}
228
00f59701 229static int iop_send_sync_request_itl(struct hptiop_hba *hba,
ede1e6f8
HLT		 230 void __iomem *_req, u32 millisec)
231{
232 struct hpt_iop_request_header __iomem *req = _req;
233 u32 i;
234
00f59701 235 writel(readl(&req->flags) | IOP_REQUEST_FLAG_SYNC_REQUEST, &req->flags);
ede1e6f8 236 writel(0, &req->context);
00f59701
HLT		 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);
ede1e6f8
HLT		 240
241 for (i = 0; i < millisec; i++) {
00f59701 242 iop_intr_itl(hba);
ede1e6f8
HLT		 243 if (readl(&req->context))
244 return 0;
245 msleep(1);
246 }
247
248 return -1;
249}
250
00f59701
HLT		 251static int iop_send_sync_request_mv(struct hptiop_hba *hba,
252 u32 size_bits, u32 millisec)
ede1e6f8 253{
00f59701 254 struct hpt_iop_request_header *reqhdr = hba->u.mv.internal_req;
ede1e6f8
HLT		 255 u32 i;
256
257 hba->msg_done = 0;
00f59701
HLT		 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
271static 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
277static 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}
ede1e6f8 283
00f59701
HLT		 284static int iop_send_sync_msg(struct hptiop_hba *hba, u32 msg, u32 millisec)
285{
286 u32 i;
ede1e6f8 287
00f59701
HLT		 288 hba->msg_done = 0;
289 hba->ops->post_msg(hba, msg);
ede1e6f8
HLT		 290
291 for (i = 0; i < millisec; i++) {
292 spin_lock_irq(hba->host->host_lock);
00f59701 293 hba->ops->iop_intr(hba);
ede1e6f8
HLT		 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
00f59701 303static int iop_get_config_itl(struct hptiop_hba *hba,
ede1e6f8
HLT		 304 struct hpt_iop_request_get_config *config)
305{
306 u32 req32;
307 struct hpt_iop_request_get_config __iomem *req;
308
00f59701 309 req32 = readl(&hba->u.itl.iop->inbound_queue);
ede1e6f8
HLT		 310 if (req32 == IOPMU_QUEUE_EMPTY)
311 return -1;
312
313 req = (struct hpt_iop_request_get_config __iomem *)
00f59701 314 ((unsigned long)hba->u.itl.iop + req32);
ede1e6f8
HLT		 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
00f59701 321 if (iop_send_sync_request_itl(hba, req, 20000)) {
ede1e6f8
HLT		 322 dprintk("Get config send cmd failed\n");
323 return -1;
324 }
325
326 memcpy_fromio(config, req, sizeof(*config));
00f59701
HLT		 327 writel(req32, &hba->u.itl.iop->outbound_queue);
328 return 0;
329}
330
331static 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);
f6b196a2
JB		 341 req->header.context = cpu_to_le32(IOP_REQUEST_TYPE_GET_CONFIG<<5);
342 req->header.context_hi32 = 0;
00f59701
HLT		 343
344 if (iop_send_sync_request_mv(hba, 0, 20000)) {
345 dprintk("Get config send cmd failed\n");
346 return -1;
347 }
348
349 memcpy(config, req, sizeof(struct hpt_iop_request_get_config));
ede1e6f8
HLT		 350 return 0;
351}
352
00f59701 353static int iop_set_config_itl(struct hptiop_hba *hba,
ede1e6f8
HLT		 354 struct hpt_iop_request_set_config *config)
355{
356 u32 req32;
357 struct hpt_iop_request_set_config __iomem *req;
358
00f59701 359 req32 = readl(&hba->u.itl.iop->inbound_queue);
ede1e6f8
HLT		 360 if (req32 == IOPMU_QUEUE_EMPTY)
361 return -1;
362
363 req = (struct hpt_iop_request_set_config __iomem *)
00f59701 364 ((unsigned long)hba->u.itl.iop + req32);
ede1e6f8
HLT		 365
366 memcpy_toio((u8 __iomem *)req + sizeof(struct hpt_iop_request_header),
367 (u8 *)config + sizeof(struct hpt_iop_request_header),
368 sizeof(struct hpt_iop_request_set_config) -
369 sizeof(struct hpt_iop_request_header));
370
371 writel(0, &req->header.flags);
372 writel(IOP_REQUEST_TYPE_SET_CONFIG, &req->header.type);
373 writel(sizeof(struct hpt_iop_request_set_config), &req->header.size);
374 writel(IOP_RESULT_PENDING, &req->header.result);
375
00f59701 376 if (iop_send_sync_request_itl(hba, req, 20000)) {
ede1e6f8
HLT		 377 dprintk("Set config send cmd failed\n");
378 return -1;
379 }
380
00f59701 381 writel(req32, &hba->u.itl.iop->outbound_queue);
ede1e6f8
HLT		 382 return 0;
383}
384
00f59701
HLT		 385static int iop_set_config_mv(struct hptiop_hba *hba,
386 struct hpt_iop_request_set_config *config)
ede1e6f8 387{
00f59701 388 struct hpt_iop_request_set_config *req = hba->u.mv.internal_req;
ede1e6f8 389
00f59701
HLT		 390 memcpy(req, config, sizeof(struct hpt_iop_request_set_config));
391 req->header.flags = cpu_to_le32(IOP_REQUEST_FLAG_OUTPUT_CONTEXT);
392 req->header.type = cpu_to_le32(IOP_REQUEST_TYPE_SET_CONFIG);
393 req->header.size =
394 cpu_to_le32(sizeof(struct hpt_iop_request_set_config));
395 req->header.result = cpu_to_le32(IOP_RESULT_PENDING);
f6b196a2
JB		 396 req->header.context = cpu_to_le32(IOP_REQUEST_TYPE_SET_CONFIG<<5);
397 req->header.context_hi32 = 0;
00f59701
HLT		 398
399 if (iop_send_sync_request_mv(hba, 0, 20000)) {
400 dprintk("Set config send cmd failed\n");
401 return -1;
402 }
403
404 return 0;
405}
406
407static void hptiop_enable_intr_itl(struct hptiop_hba *hba)
408{
ede1e6f8 409 writel(~(IOPMU_OUTBOUND_INT_POSTQUEUE | IOPMU_OUTBOUND_INT_MSG0),
00f59701
HLT		 410 &hba->u.itl.iop->outbound_intmask);
411}
412
413static void hptiop_enable_intr_mv(struct hptiop_hba *hba)
414{
415 writel(MVIOP_MU_OUTBOUND_INT_POSTQUEUE | MVIOP_MU_OUTBOUND_INT_MSG,
416 &hba->u.mv.regs->outbound_intmask);
417}
418
419static int hptiop_initialize_iop(struct hptiop_hba *hba)
420{
421 /* enable interrupts */
422 hba->ops->enable_intr(hba);
ede1e6f8
HLT		 423
424 hba->initialized = 1;
425
426 /* start background tasks */
427 if (iop_send_sync_msg(hba,
428 IOPMU_INBOUND_MSG0_START_BACKGROUND_TASK, 5000)) {
429 printk(KERN_ERR "scsi%d: fail to start background task\n",
430 hba->host->host_no);
431 return -1;
432 }
433 return 0;
434}
435
00f59701 436static void __iomem *hptiop_map_pci_bar(struct hptiop_hba *hba, int index)
ede1e6f8
HLT		 437{
438 u32 mem_base_phy, length;
439 void __iomem *mem_base_virt;
00f59701 440
ede1e6f8
HLT		 441 struct pci_dev *pcidev = hba->pcidev;
442
00f59701
HLT		 443
444 if (!(pci_resource_flags(pcidev, index) & IORESOURCE_MEM)) {
ede1e6f8
HLT		 445 printk(KERN_ERR "scsi%d: pci resource invalid\n",
446 hba->host->host_no);
9bcf0910 447 return NULL;
ede1e6f8
HLT		 448 }
449
00f59701
HLT		 450 mem_base_phy = pci_resource_start(pcidev, index);
451 length = pci_resource_len(pcidev, index);
ede1e6f8
HLT		 452 mem_base_virt = ioremap(mem_base_phy, length);
453
454 if (!mem_base_virt) {
455 printk(KERN_ERR "scsi%d: Fail to ioremap memory space\n",
456 hba->host->host_no);
9bcf0910 457 return NULL;
00f59701
HLT		 458 }
459 return mem_base_virt;
460}
461
462static int hptiop_map_pci_bar_itl(struct hptiop_hba *hba)
463{
464 hba->u.itl.iop = hptiop_map_pci_bar(hba, 0);
465 if (hba->u.itl.iop)
466 return 0;
467 else
468 return -1;
469}
470
471static void hptiop_unmap_pci_bar_itl(struct hptiop_hba *hba)
472{
473 iounmap(hba->u.itl.iop);
474}
475
476static int hptiop_map_pci_bar_mv(struct hptiop_hba *hba)
477{
478 hba->u.mv.regs = hptiop_map_pci_bar(hba, 0);
9bcf0910 479 if (hba->u.mv.regs == NULL)
00f59701
HLT		 480 return -1;
481
482 hba->u.mv.mu = hptiop_map_pci_bar(hba, 2);
9bcf0910 483 if (hba->u.mv.mu == NULL) {
00f59701 484 iounmap(hba->u.mv.regs);
ede1e6f8
HLT		 485 return -1;
486 }
487
ede1e6f8
HLT		 488 return 0;
489}
490
00f59701
HLT		 491static void hptiop_unmap_pci_bar_mv(struct hptiop_hba *hba)
492{
493 iounmap(hba->u.mv.regs);
494 iounmap(hba->u.mv.mu);
495}
496
ede1e6f8
HLT		 497static void hptiop_message_callback(struct hptiop_hba *hba, u32 msg)
498{
499 dprintk("iop message 0x%x\n", msg);
500
00f59701
HLT		 501 if (msg == IOPMU_INBOUND_MSG0_NOP)
502 hba->msg_done = 1;
503
ede1e6f8
HLT		 504 if (!hba->initialized)
505 return;
506
507 if (msg == IOPMU_INBOUND_MSG0_RESET) {
508 atomic_set(&hba->resetting, 0);
509 wake_up(&hba->reset_wq);
510 }
511 else if (msg <= IOPMU_INBOUND_MSG0_MAX)
512 hba->msg_done = 1;
513}
514
00f59701 515static struct hptiop_request *get_req(struct hptiop_hba *hba)
ede1e6f8
HLT		 516{
517 struct hptiop_request *ret;
518
519 dprintk("get_req : req=%p\n", hba->req_list);
520
521 ret = hba->req_list;
522 if (ret)
523 hba->req_list = ret->next;
524
525 return ret;
526}
527
00f59701 528static void free_req(struct hptiop_hba *hba, struct hptiop_request *req)
ede1e6f8
HLT		 529{
530 dprintk("free_req(%d, %p)\n", req->index, req);
531 req->next = hba->req_list;
532 hba->req_list = req;
533}
534
00f59701
HLT		 535static void hptiop_finish_scsi_req(struct hptiop_hba *hba, u32 tag,
536 struct hpt_iop_request_scsi_command *req)
ede1e6f8 537{
ede1e6f8
HLT		 538 struct scsi_cmnd *scp;
539
00f59701 540 dprintk("hptiop_finish_scsi_req: req=%p, type=%d, "
ede1e6f8
HLT		 541 "result=%d, context=0x%x tag=%d\n",
542 req, req->header.type, req->header.result,
543 req->header.context, tag);
544
545 BUG_ON(!req->header.result);
546 BUG_ON(req->header.type != cpu_to_le32(IOP_REQUEST_TYPE_SCSI_COMMAND));
547
548 scp = hba->reqs[tag].scp;
549
f9875496
FT		 550 if (HPT_SCP(scp)->mapped)
551 scsi_dma_unmap(scp);
ede1e6f8
HLT		 552
553 switch (le32_to_cpu(req->header.result)) {
554 case IOP_RESULT_SUCCESS:
00f59701
HLT		 555 scsi_set_resid(scp,
556 scsi_bufflen(scp) - le32_to_cpu(req->dataxfer_length));
ede1e6f8
HLT		 557 scp->result = (DID_OK<<16);
558 break;
559 case IOP_RESULT_BAD_TARGET:
560 scp->result = (DID_BAD_TARGET<<16);
561 break;
562 case IOP_RESULT_BUSY:
563 scp->result = (DID_BUS_BUSY<<16);
564 break;
565 case IOP_RESULT_RESET:
566 scp->result = (DID_RESET<<16);
567 break;
568 case IOP_RESULT_FAIL:
569 scp->result = (DID_ERROR<<16);
570 break;
571 case IOP_RESULT_INVALID_REQUEST:
572 scp->result = (DID_ABORT<<16);
573 break;
00f59701
HLT		 574 case IOP_RESULT_CHECK_CONDITION:
575 scsi_set_resid(scp,
576 scsi_bufflen(scp) - le32_to_cpu(req->dataxfer_length));
ede1e6f8 577 scp->result = SAM_STAT_CHECK_CONDITION;
c372f4a8 578 memcpy(scp->sense_buffer, &req->sg_list,
b80ca4f7 579 min_t(size_t, SCSI_SENSE_BUFFERSIZE,
0fec02c9 580 le32_to_cpu(req->dataxfer_length)));
ede1e6f8
HLT		 581 break;
582
583 default:
584 scp->result = ((DRIVER_INVALID|SUGGEST_ABORT)<<24) |
585 (DID_ABORT<<16);
586 break;
587 }
588
589 dprintk("scsi_done(%p)\n", scp);
590 scp->scsi_done(scp);
591 free_req(hba, &hba->reqs[tag]);
592}
593
00f59701
HLT		 594static void hptiop_host_request_callback_itl(struct hptiop_hba *hba, u32 _tag)
595{
596 struct hpt_iop_request_scsi_command *req;
597 u32 tag;
598
599 if (hba->iopintf_v2) {
600 tag = _tag & ~IOPMU_QUEUE_REQUEST_RESULT_BIT;
601 req = hba->reqs[tag].req_virt;
602 if (likely(_tag & IOPMU_QUEUE_REQUEST_RESULT_BIT))
603 req->header.result = cpu_to_le32(IOP_RESULT_SUCCESS);
604 } else {
605 tag = _tag;
606 req = hba->reqs[tag].req_virt;
607 }
608
609 hptiop_finish_scsi_req(hba, tag, req);
610}
611
612void hptiop_iop_request_callback_itl(struct hptiop_hba *hba, u32 tag)
ede1e6f8
HLT		 613{
614 struct hpt_iop_request_header __iomem *req;
615 struct hpt_iop_request_ioctl_command __iomem *p;
616 struct hpt_ioctl_k *arg;
617
618 req = (struct hpt_iop_request_header __iomem *)
00f59701
HLT		 619 ((unsigned long)hba->u.itl.iop + tag);
620 dprintk("hptiop_iop_request_callback_itl: req=%p, type=%d, "
ede1e6f8
HLT		 621 "result=%d, context=0x%x tag=%d\n",
622 req, readl(&req->type), readl(&req->result),
623 readl(&req->context), tag);
624
625 BUG_ON(!readl(&req->result));
626 BUG_ON(readl(&req->type) != IOP_REQUEST_TYPE_IOCTL_COMMAND);
627
628 p = (struct hpt_iop_request_ioctl_command __iomem *)req;
629 arg = (struct hpt_ioctl_k *)(unsigned long)
630 (readl(&req->context) |
631 ((u64)readl(&req->context_hi32)<<32));
632
633 if (readl(&req->result) == IOP_RESULT_SUCCESS) {
634 arg->result = HPT_IOCTL_RESULT_OK;
635
636 if (arg->outbuf_size)
637 memcpy_fromio(arg->outbuf,
638 &p->buf[(readl(&p->inbuf_size) + 3)& ~3],
639 arg->outbuf_size);
640
641 if (arg->bytes_returned)
642 *arg->bytes_returned = arg->outbuf_size;
643 }
644 else
645 arg->result = HPT_IOCTL_RESULT_FAILED;
646
647 arg->done(arg);
00f59701 648 writel(tag, &hba->u.itl.iop->outbound_queue);
ede1e6f8
HLT		 649}
650
7d12e780 651static irqreturn_t hptiop_intr(int irq, void *dev_id)
ede1e6f8
HLT		 652{
653 struct hptiop_hba *hba = dev_id;
654 int handled;
655 unsigned long flags;
656
657 spin_lock_irqsave(hba->host->host_lock, flags);
00f59701 658 handled = hba->ops->iop_intr(hba);
ede1e6f8
HLT		 659 spin_unlock_irqrestore(hba->host->host_lock, flags);
660
661 return handled;
662}
663
664static int hptiop_buildsgl(struct scsi_cmnd *scp, struct hpt_iopsg *psg)
665{
666 struct Scsi_Host *host = scp->device->host;
667 struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
f9875496
FT		 668 struct scatterlist *sg;
669 int idx, nseg;
670
671 nseg = scsi_dma_map(scp);
672 BUG_ON(nseg < 0);
673 if (!nseg)
674 return 0;
ede1e6f8 675
f9875496
FT		 676 HPT_SCP(scp)->sgcnt = nseg;
677 HPT_SCP(scp)->mapped = 1;
678
679 BUG_ON(HPT_SCP(scp)->sgcnt > hba->max_sg_descriptors);
680
681 scsi_for_each_sg(scp, sg, HPT_SCP(scp)->sgcnt, idx) {
682 psg[idx].pci_address = cpu_to_le64(sg_dma_address(sg));
683 psg[idx].size = cpu_to_le32(sg_dma_len(sg));
684 psg[idx].eot = (idx == HPT_SCP(scp)->sgcnt - 1) ?
685 cpu_to_le32(1) : 0;
ede1e6f8 686 }
f9875496 687 return HPT_SCP(scp)->sgcnt;
ede1e6f8
HLT		 688}
689
00f59701
HLT		 690static void hptiop_post_req_itl(struct hptiop_hba *hba,
691 struct hptiop_request *_req)
692{
693 struct hpt_iop_request_header *reqhdr = _req->req_virt;
694
695 reqhdr->context = cpu_to_le32(IOPMU_QUEUE_ADDR_HOST_BIT |
696 (u32)_req->index);
697 reqhdr->context_hi32 = 0;
698
699 if (hba->iopintf_v2) {
700 u32 size, size_bits;
701
702 size = le32_to_cpu(reqhdr->size);
703 if (size < 256)
704 size_bits = IOPMU_QUEUE_REQUEST_SIZE_BIT;
705 else if (size < 512)
706 size_bits = IOPMU_QUEUE_ADDR_HOST_BIT;
707 else
708 size_bits = IOPMU_QUEUE_REQUEST_SIZE_BIT |
709 IOPMU_QUEUE_ADDR_HOST_BIT;
710 writel(_req->req_shifted_phy | size_bits,
711 &hba->u.itl.iop->inbound_queue);
712 } else
713 writel(_req->req_shifted_phy | IOPMU_QUEUE_ADDR_HOST_BIT,
714 &hba->u.itl.iop->inbound_queue);
715}
716
717static void hptiop_post_req_mv(struct hptiop_hba *hba,
718 struct hptiop_request *_req)
719{
720 struct hpt_iop_request_header *reqhdr = _req->req_virt;
721 u32 size, size_bit;
722
723 reqhdr->context = cpu_to_le32(_req->index<<8 |
724 IOP_REQUEST_TYPE_SCSI_COMMAND<<5);
725 reqhdr->context_hi32 = 0;
726 size = le32_to_cpu(reqhdr->size);
727
728 if (size <= 256)
729 size_bit = 0;
730 else if (size <= 256*2)
731 size_bit = 1;
732 else if (size <= 256*3)
733 size_bit = 2;
734 else
735 size_bit = 3;
736
737 mv_inbound_write((_req->req_shifted_phy << 5) |
738 MVIOP_MU_QUEUE_ADDR_HOST_BIT | size_bit, hba);
739}
740
ede1e6f8
HLT		 741static int hptiop_queuecommand(struct scsi_cmnd *scp,
742 void (*done)(struct scsi_cmnd *))
743{
744 struct Scsi_Host *host = scp->device->host;
745 struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
746 struct hpt_iop_request_scsi_command *req;
747 int sg_count = 0;
748 struct hptiop_request *_req;
749
750 BUG_ON(!done);
751 scp->scsi_done = done;
752
ede1e6f8
HLT		 753 _req = get_req(hba);
754 if (_req == NULL) {
755 dprintk("hptiop_queuecmd : no free req\n");
4f2ddba3 756 return SCSI_MLQUEUE_HOST_BUSY;
ede1e6f8
HLT		 757 }
758
759 _req->scp = scp;
760
761 dprintk("hptiop_queuecmd(scp=%p) %d/%d/%d/%d cdb=(%x-%x-%x) "
762 "req_index=%d, req=%p\n",
763 scp,
764 host->host_no, scp->device->channel,
765 scp->device->id, scp->device->lun,
64a87b24
BH		 766 ((u32 *)scp->cmnd)[0],
767 ((u32 *)scp->cmnd)[1],
768 ((u32 *)scp->cmnd)[2],
ede1e6f8
HLT		 769 _req->index, _req->req_virt);
770
771 scp->result = 0;
772
773 if (scp->device->channel || scp->device->lun ||
774 scp->device->id > hba->max_devices) {
775 scp->result = DID_BAD_TARGET << 16;
776 free_req(hba, _req);
777 goto cmd_done;
778 }
779
db9b6e89 780 req = _req->req_virt;
ede1e6f8
HLT		 781
782 /* build S/G table */
f9875496
FT		 783 sg_count = hptiop_buildsgl(scp, req->sg_list);
784 if (!sg_count)
ede1e6f8
HLT		 785 HPT_SCP(scp)->mapped = 0;
786
787 req->header.flags = cpu_to_le32(IOP_REQUEST_FLAG_OUTPUT_CONTEXT);
788 req->header.type = cpu_to_le32(IOP_REQUEST_TYPE_SCSI_COMMAND);
789 req->header.result = cpu_to_le32(IOP_RESULT_PENDING);
f9875496 790 req->dataxfer_length = cpu_to_le32(scsi_bufflen(scp));
ede1e6f8
HLT		 791 req->channel = scp->device->channel;
792 req->target = scp->device->id;
793 req->lun = scp->device->lun;
794 req->header.size = cpu_to_le32(
795 sizeof(struct hpt_iop_request_scsi_command)
796 - sizeof(struct hpt_iopsg)
797 + sg_count * sizeof(struct hpt_iopsg));
798
799 memcpy(req->cdb, scp->cmnd, sizeof(req->cdb));
00f59701 800 hba->ops->post_req(hba, _req);
ede1e6f8
HLT		 801 return 0;
802
803cmd_done:
804 dprintk("scsi_done(scp=%p)\n", scp);
805 scp->scsi_done(scp);
806 return 0;
807}
808
809static const char *hptiop_info(struct Scsi_Host *host)
810{
811 return driver_name_long;
812}
813
814static int hptiop_reset_hba(struct hptiop_hba *hba)
815{
816 if (atomic_xchg(&hba->resetting, 1) == 0) {
817 atomic_inc(&hba->reset_count);
00f59701 818 hba->ops->post_msg(hba, IOPMU_INBOUND_MSG0_RESET);
ede1e6f8
HLT		 819 }
820
821 wait_event_timeout(hba->reset_wq,
822 atomic_read(&hba->resetting) == 0, 60 * HZ);
823
824 if (atomic_read(&hba->resetting)) {
825 /* IOP is in unkown state, abort reset */
826 printk(KERN_ERR "scsi%d: reset failed\n", hba->host->host_no);
827 return -1;
828 }
829
830 if (iop_send_sync_msg(hba,
831 IOPMU_INBOUND_MSG0_START_BACKGROUND_TASK, 5000)) {
832 dprintk("scsi%d: fail to start background task\n",
833 hba->host->host_no);
834 }
835
836 return 0;
837}
838
839static int hptiop_reset(struct scsi_cmnd *scp)
840{
841 struct Scsi_Host * host = scp->device->host;
842 struct hptiop_hba * hba = (struct hptiop_hba *)host->hostdata;
843
844 printk(KERN_WARNING "hptiop_reset(%d/%d/%d) scp=%p\n",
845 scp->device->host->host_no, scp->device->channel,
846 scp->device->id, scp);
847
848 return hptiop_reset_hba(hba)? FAILED : SUCCESS;
849}
850
851static int hptiop_adjust_disk_queue_depth(struct scsi_device *sdev,
852 int queue_depth)
853{
00f59701
HLT		 854 struct hptiop_hba *hba = (struct hptiop_hba *)sdev->host->hostdata;
855
856 if (queue_depth > hba->max_requests)
857 queue_depth = hba->max_requests;
ede1e6f8
HLT		 858 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, queue_depth);
859 return queue_depth;
860}
861
ee959b00
TJ		 862static ssize_t hptiop_show_version(struct device *dev,
863 struct device_attribute *attr, char *buf)
ede1e6f8
HLT		 864{
865 return snprintf(buf, PAGE_SIZE, "%s\n", driver_ver);
866}
867
ee959b00
TJ		 868static ssize_t hptiop_show_fw_version(struct device *dev,
869 struct device_attribute *attr, char *buf)
ede1e6f8 870{
ee959b00 871 struct Scsi_Host *host = class_to_shost(dev);
ede1e6f8
HLT		 872 struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
873
874 return snprintf(buf, PAGE_SIZE, "%d.%d.%d.%d\n",
875 hba->firmware_version >> 24,
876 (hba->firmware_version >> 16) & 0xff,
877 (hba->firmware_version >> 8) & 0xff,
878 hba->firmware_version & 0xff);
879}
880
ee959b00 881static struct device_attribute hptiop_attr_version = {
ede1e6f8
HLT		 882 .attr = {
883 .name = "driver-version",
884 .mode = S_IRUGO,
885 },
886 .show = hptiop_show_version,
887};
888
ee959b00 889static struct device_attribute hptiop_attr_fw_version = {
ede1e6f8
HLT		 890 .attr = {
891 .name = "firmware-version",
892 .mode = S_IRUGO,
893 },
894 .show = hptiop_show_fw_version,
895};
896
ee959b00 897static struct device_attribute *hptiop_attrs[] = {
ede1e6f8
HLT		 898 &hptiop_attr_version,
899 &hptiop_attr_fw_version,
900 NULL
901};
902
903static struct scsi_host_template driver_template = {
904 .module = THIS_MODULE,
905 .name = driver_name,
906 .queuecommand = hptiop_queuecommand,
907 .eh_device_reset_handler = hptiop_reset,
908 .eh_bus_reset_handler = hptiop_reset,
909 .info = hptiop_info,
ede1e6f8
HLT		 910 .emulated = 0,
911 .use_clustering = ENABLE_CLUSTERING,
912 .proc_name = driver_name,
913 .shost_attrs = hptiop_attrs,
914 .this_id = -1,
915 .change_queue_depth = hptiop_adjust_disk_queue_depth,
916};
917
00f59701
HLT		 918static int hptiop_internal_memalloc_mv(struct hptiop_hba *hba)
919{
920 hba->u.mv.internal_req = dma_alloc_coherent(&hba->pcidev->dev,
921 0x800, &hba->u.mv.internal_req_phy, GFP_KERNEL);
922 if (hba->u.mv.internal_req)
923 return 0;
924 else
925 return -1;
926}
927
928static int hptiop_internal_memfree_mv(struct hptiop_hba *hba)
929{
930 if (hba->u.mv.internal_req) {
931 dma_free_coherent(&hba->pcidev->dev, 0x800,
932 hba->u.mv.internal_req, hba->u.mv.internal_req_phy);
933 return 0;
934 } else
935 return -1;
936}
937
ede1e6f8
HLT		 938static int __devinit hptiop_probe(struct pci_dev *pcidev,
939 const struct pci_device_id *id)
940{
941 struct Scsi_Host *host = NULL;
942 struct hptiop_hba *hba;
943 struct hpt_iop_request_get_config iop_config;
944 struct hpt_iop_request_set_config set_config;
945 dma_addr_t start_phy;
946 void *start_virt;
947 u32 offset, i, req_size;
948
949 dprintk("hptiop_probe(%p)\n", pcidev);
950
951 if (pci_enable_device(pcidev)) {
952 printk(KERN_ERR "hptiop: fail to enable pci device\n");
953 return -ENODEV;
954 }
955
956 printk(KERN_INFO "adapter at PCI %d:%d:%d, IRQ %d\n",
957 pcidev->bus->number, pcidev->devfn >> 3, pcidev->devfn & 7,
958 pcidev->irq);
959
960 pci_set_master(pcidev);
961
962 /* Enable 64bit DMA if possible */
963 if (pci_set_dma_mask(pcidev, DMA_64BIT_MASK)) {
964 if (pci_set_dma_mask(pcidev, DMA_32BIT_MASK)) {
965 printk(KERN_ERR "hptiop: fail to set dma_mask\n");
966 goto disable_pci_device;
967 }
968 }
969
970 if (pci_request_regions(pcidev, driver_name)) {
971 printk(KERN_ERR "hptiop: pci_request_regions failed\n");
972 goto disable_pci_device;
973 }
974
975 host = scsi_host_alloc(&driver_template, sizeof(struct hptiop_hba));
976 if (!host) {
977 printk(KERN_ERR "hptiop: fail to alloc scsi host\n");
978 goto free_pci_regions;
979 }
980
981 hba = (struct hptiop_hba *)host->hostdata;
982
00f59701 983 hba->ops = (struct hptiop_adapter_ops *)id->driver_data;
ede1e6f8
HLT		 984 hba->pcidev = pcidev;
985 hba->host = host;
986 hba->initialized = 0;
db9b6e89 987 hba->iopintf_v2 = 0;
ede1e6f8
HLT		 988
989 atomic_set(&hba->resetting, 0);
990 atomic_set(&hba->reset_count, 0);
991
992 init_waitqueue_head(&hba->reset_wq);
993 init_waitqueue_head(&hba->ioctl_wq);
994
995 host->max_lun = 1;
996 host->max_channel = 0;
997 host->io_port = 0;
998 host->n_io_port = 0;
999 host->irq = pcidev->irq;
1000
00f59701 1001 if (hba->ops->map_pci_bar(hba))
ede1e6f8
HLT		 1002 goto free_scsi_host;
1003
00f59701 1004 if (hba->ops->iop_wait_ready(hba, 20000)) {
ede1e6f8
HLT		 1005 printk(KERN_ERR "scsi%d: firmware not ready\n",
1006 hba->host->host_no);
1007 goto unmap_pci_bar;
1008 }
1009
00f59701
HLT		 1010 if (hba->ops->internal_memalloc) {
1011 if (hba->ops->internal_memalloc(hba)) {
1012 printk(KERN_ERR "scsi%d: internal_memalloc failed\n",
1013 hba->host->host_no);
1014 goto unmap_pci_bar;
1015 }
1016 }
1017
1018 if (hba->ops->get_config(hba, &iop_config)) {
ede1e6f8
HLT		 1019 printk(KERN_ERR "scsi%d: get config failed\n",
1020 hba->host->host_no);
1021 goto unmap_pci_bar;
1022 }
1023
1024 hba->max_requests = min(le32_to_cpu(iop_config.max_requests),
1025 HPTIOP_MAX_REQUESTS);
1026 hba->max_devices = le32_to_cpu(iop_config.max_devices);
1027 hba->max_request_size = le32_to_cpu(iop_config.request_size);
1028 hba->max_sg_descriptors = le32_to_cpu(iop_config.max_sg_count);
1029 hba->firmware_version = le32_to_cpu(iop_config.firmware_version);
db9b6e89 1030 hba->interface_version = le32_to_cpu(iop_config.interface_version);
ede1e6f8
HLT		 1031 hba->sdram_size = le32_to_cpu(iop_config.sdram_size);
1032
db9b6e89
HLT		 1033 if (hba->firmware_version > 0x01020000 ||
1034 hba->interface_version > 0x01020000)
1035 hba->iopintf_v2 = 1;
1036
ede1e6f8
HLT		 1037 host->max_sectors = le32_to_cpu(iop_config.data_transfer_length) >> 9;
1038 host->max_id = le32_to_cpu(iop_config.max_devices);
1039 host->sg_tablesize = le32_to_cpu(iop_config.max_sg_count);
1040 host->can_queue = le32_to_cpu(iop_config.max_requests);
1041 host->cmd_per_lun = le32_to_cpu(iop_config.max_requests);
1042 host->max_cmd_len = 16;
1043
db9b6e89
HLT		 1044 req_size = sizeof(struct hpt_iop_request_scsi_command)
1045 + sizeof(struct hpt_iopsg) * (hba->max_sg_descriptors - 1);
1046 if ((req_size & 0x1f) != 0)
1047 req_size = (req_size + 0x1f) & ~0x1f;
1048
1049 memset(&set_config, 0, sizeof(struct hpt_iop_request_set_config));
ede1e6f8 1050 set_config.iop_id = cpu_to_le32(host->host_no);
db9b6e89
HLT		 1051 set_config.vbus_id = cpu_to_le16(host->host_no);
1052 set_config.max_host_request_size = cpu_to_le16(req_size);
ede1e6f8 1053
00f59701 1054 if (hba->ops->set_config(hba, &set_config)) {
ede1e6f8
HLT		 1055 printk(KERN_ERR "scsi%d: set config failed\n",
1056 hba->host->host_no);
1057 goto unmap_pci_bar;
1058 }
1059
ede1e6f8
HLT		 1060 pci_set_drvdata(pcidev, host);
1061
1d6f359a 1062 if (request_irq(pcidev->irq, hptiop_intr, IRQF_SHARED,
ede1e6f8
HLT		 1063 driver_name, hba)) {
1064 printk(KERN_ERR "scsi%d: request irq %d failed\n",
1065 hba->host->host_no, pcidev->irq);
3e74051b 1066 goto unmap_pci_bar;
ede1e6f8
HLT		 1067 }
1068
1069 /* Allocate request mem */
ede1e6f8
HLT		 1070
1071 dprintk("req_size=%d, max_requests=%d\n", req_size, hba->max_requests);
1072
1073 hba->req_size = req_size;
1074 start_virt = dma_alloc_coherent(&pcidev->dev,
1075 hba->req_size*hba->max_requests + 0x20,
1076 &start_phy, GFP_KERNEL);
1077
1078 if (!start_virt) {
1079 printk(KERN_ERR "scsi%d: fail to alloc request mem\n",
1080 hba->host->host_no);
1081 goto free_request_irq;
1082 }
1083
1084 hba->dma_coherent = start_virt;
1085 hba->dma_coherent_handle = start_phy;
1086
1087 if ((start_phy & 0x1f) != 0)
1088 {
1089 offset = ((start_phy + 0x1f) & ~0x1f) - start_phy;
1090 start_phy += offset;
1091 start_virt += offset;
1092 }
1093
1094 hba->req_list = start_virt;
1095 for (i = 0; i < hba->max_requests; i++) {
1096 hba->reqs[i].next = NULL;
1097 hba->reqs[i].req_virt = start_virt;
1098 hba->reqs[i].req_shifted_phy = start_phy >> 5;
1099 hba->reqs[i].index = i;
1100 free_req(hba, &hba->reqs[i]);
1101 start_virt = (char *)start_virt + hba->req_size;
1102 start_phy = start_phy + hba->req_size;
1103 }
1104
1105 /* Enable Interrupt and start background task */
1106 if (hptiop_initialize_iop(hba))
1107 goto free_request_mem;
1108
3e74051b
CH		 1109 if (scsi_add_host(host, &pcidev->dev)) {
1110 printk(KERN_ERR "scsi%d: scsi_add_host failed\n",
1111 hba->host->host_no);
1112 goto free_request_mem;
1113 }
1114
ede1e6f8
HLT		 1115
1116 scsi_scan_host(host);
1117
1118 dprintk("scsi%d: hptiop_probe successfully\n", hba->host->host_no);
1119 return 0;
1120
1121free_request_mem:
1122 dma_free_coherent(&hba->pcidev->dev,
00f59701 1123 hba->req_size * hba->max_requests + 0x20,
ede1e6f8
HLT		 1124 hba->dma_coherent, hba->dma_coherent_handle);
1125
1126free_request_irq:
1127 free_irq(hba->pcidev->irq, hba);
1128
ede1e6f8 1129unmap_pci_bar:
00f59701
HLT		 1130 if (hba->ops->internal_memfree)
1131 hba->ops->internal_memfree(hba);
ede1e6f8 1132
00f59701 1133 hba->ops->unmap_pci_bar(hba);
ede1e6f8
HLT		 1134
1135free_scsi_host:
1136 scsi_host_put(host);
1137
00f59701
HLT		 1138free_pci_regions:
1139 pci_release_regions(pcidev);
1140
ede1e6f8
HLT		 1141disable_pci_device:
1142 pci_disable_device(pcidev);
1143
1144 dprintk("scsi%d: hptiop_probe fail\n", host->host_no);
1145 return -ENODEV;
1146}
1147
1148static void hptiop_shutdown(struct pci_dev *pcidev)
1149{
1150 struct Scsi_Host *host = pci_get_drvdata(pcidev);
1151 struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
ede1e6f8
HLT		 1152
1153 dprintk("hptiop_shutdown(%p)\n", hba);
1154
1155 /* stop the iop */
1156 if (iop_send_sync_msg(hba, IOPMU_INBOUND_MSG0_SHUTDOWN, 60000))
1157 printk(KERN_ERR "scsi%d: shutdown the iop timeout\n",
1158 hba->host->host_no);
1159
1160 /* disable all outbound interrupts */
00f59701
HLT		 1161 hba->ops->disable_intr(hba);
1162}
1163
1164static void hptiop_disable_intr_itl(struct hptiop_hba *hba)
1165{
1166 u32 int_mask;
1167
1168 int_mask = readl(&hba->u.itl.iop->outbound_intmask);
ede1e6f8
HLT		 1169 writel(int_mask |
1170 IOPMU_OUTBOUND_INT_MSG0 | IOPMU_OUTBOUND_INT_POSTQUEUE,
00f59701
HLT		 1171 &hba->u.itl.iop->outbound_intmask);
1172 readl(&hba->u.itl.iop->outbound_intmask);
1173}
1174
1175static void hptiop_disable_intr_mv(struct hptiop_hba *hba)
1176{
1177 writel(0, &hba->u.mv.regs->outbound_intmask);
1178 readl(&hba->u.mv.regs->outbound_intmask);
ede1e6f8
HLT		 1179}
1180
1181static void hptiop_remove(struct pci_dev *pcidev)
1182{
1183 struct Scsi_Host *host = pci_get_drvdata(pcidev);
1184 struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
1185
1186 dprintk("scsi%d: hptiop_remove\n", hba->host->host_no);
1187
4f2ddba3
HLT		 1188 scsi_remove_host(host);
1189
ede1e6f8
HLT		 1190 hptiop_shutdown(pcidev);
1191
1192 free_irq(hba->pcidev->irq, hba);
1193
1194 dma_free_coherent(&hba->pcidev->dev,
1195 hba->req_size * hba->max_requests + 0x20,
1196 hba->dma_coherent,
1197 hba->dma_coherent_handle);
1198
00f59701
HLT		 1199 if (hba->ops->internal_memfree)
1200 hba->ops->internal_memfree(hba);
1201
1202 hba->ops->unmap_pci_bar(hba);
ede1e6f8
HLT		 1203
1204 pci_release_regions(hba->pcidev);
1205 pci_set_drvdata(hba->pcidev, NULL);
1206 pci_disable_device(hba->pcidev);
1207
ede1e6f8
HLT		 1208 scsi_host_put(host);
1209}
1210
00f59701
HLT		 1211static struct hptiop_adapter_ops hptiop_itl_ops = {
1212 .iop_wait_ready = iop_wait_ready_itl,
9bcf0910
HH		 1213 .internal_memalloc = NULL,
1214 .internal_memfree = NULL,
00f59701
HLT		 1215 .map_pci_bar = hptiop_map_pci_bar_itl,
1216 .unmap_pci_bar = hptiop_unmap_pci_bar_itl,
1217 .enable_intr = hptiop_enable_intr_itl,
1218 .disable_intr = hptiop_disable_intr_itl,
1219 .get_config = iop_get_config_itl,
1220 .set_config = iop_set_config_itl,
1221 .iop_intr = iop_intr_itl,
1222 .post_msg = hptiop_post_msg_itl,
1223 .post_req = hptiop_post_req_itl,
1224};
1225
1226static struct hptiop_adapter_ops hptiop_mv_ops = {
1227 .iop_wait_ready = iop_wait_ready_mv,
1228 .internal_memalloc = hptiop_internal_memalloc_mv,
1229 .internal_memfree = hptiop_internal_memfree_mv,
1230 .map_pci_bar = hptiop_map_pci_bar_mv,
1231 .unmap_pci_bar = hptiop_unmap_pci_bar_mv,
1232 .enable_intr = hptiop_enable_intr_mv,
1233 .disable_intr = hptiop_disable_intr_mv,
1234 .get_config = iop_get_config_mv,
1235 .set_config = iop_set_config_mv,
1236 .iop_intr = iop_intr_mv,
1237 .post_msg = hptiop_post_msg_mv,
1238 .post_req = hptiop_post_req_mv,
1239};
1240
ede1e6f8 1241static struct pci_device_id hptiop_id_table[] = {
00f59701
HLT		 1242 { PCI_VDEVICE(TTI, 0x3220), (kernel_ulong_t)&hptiop_itl_ops },
1243 { PCI_VDEVICE(TTI, 0x3320), (kernel_ulong_t)&hptiop_itl_ops },
1244 { PCI_VDEVICE(TTI, 0x3520), (kernel_ulong_t)&hptiop_itl_ops },
1245 { PCI_VDEVICE(TTI, 0x4320), (kernel_ulong_t)&hptiop_itl_ops },
1246 { PCI_VDEVICE(TTI, 0x3510), (kernel_ulong_t)&hptiop_itl_ops },
1247 { PCI_VDEVICE(TTI, 0x3511), (kernel_ulong_t)&hptiop_itl_ops },
1248 { PCI_VDEVICE(TTI, 0x3521), (kernel_ulong_t)&hptiop_itl_ops },
1249 { PCI_VDEVICE(TTI, 0x3522), (kernel_ulong_t)&hptiop_itl_ops },
1250 { PCI_VDEVICE(TTI, 0x3410), (kernel_ulong_t)&hptiop_itl_ops },
1251 { PCI_VDEVICE(TTI, 0x3540), (kernel_ulong_t)&hptiop_itl_ops },
1252 { PCI_VDEVICE(TTI, 0x3120), (kernel_ulong_t)&hptiop_mv_ops },
1253 { PCI_VDEVICE(TTI, 0x3122), (kernel_ulong_t)&hptiop_mv_ops },
1254 { PCI_VDEVICE(TTI, 0x3020), (kernel_ulong_t)&hptiop_mv_ops },
ede1e6f8
HLT		 1255 {},
1256};
1257
1258MODULE_DEVICE_TABLE(pci, hptiop_id_table);
1259
1260static struct pci_driver hptiop_pci_driver = {
1261 .name = driver_name,
1262 .id_table = hptiop_id_table,
1263 .probe = hptiop_probe,
1264 .remove = hptiop_remove,
1265 .shutdown = hptiop_shutdown,
1266};
1267
1268static int __init hptiop_module_init(void)
1269{
ede1e6f8 1270 printk(KERN_INFO "%s %s\n", driver_name_long, driver_ver);
3e74051b 1271 return pci_register_driver(&hptiop_pci_driver);
ede1e6f8
HLT		 1272}
1273
1274static void __exit hptiop_module_exit(void)
1275{
ede1e6f8
HLT		 1276 pci_unregister_driver(&hptiop_pci_driver);
1277}
1278
1279
1280module_init(hptiop_module_init);
1281module_exit(hptiop_module_exit);
1282
1283MODULE_LICENSE("GPL");
db9b6e89 1284
Empty description
This page took 0.508389 seconds and 4 git commands to generate.