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[SCSI] scsi_dh: Do not use scsilun in rdac hardware handler
[linux-2.6-block.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 linux@highpoint-tech.com
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>
ede1e6f8
HLT		 28#include <asm/uaccess.h>
29#include <asm/io.h>
30#include <asm/div64.h>
31#include <scsi/scsi_cmnd.h>
32#include <scsi/scsi_device.h>
33#include <scsi/scsi.h>
34#include <scsi/scsi_tcq.h>
35#include <scsi/scsi_host.h>
36
37#include "hptiop.h"
38
39MODULE_AUTHOR("HighPoint Technologies, Inc.");
00f59701 40MODULE_DESCRIPTION("HighPoint RocketRAID 3xxx/4xxx Controller Driver");
ede1e6f8
HLT		 41
42static char driver_name[] = "hptiop";
00f59701
HLT		 43static const char driver_name_long[] = "RocketRAID 3xxx/4xxx Controller driver";
44static const char driver_ver[] = "v1.3 (071203)";
45
46static int iop_send_sync_msg(struct hptiop_hba *hba, u32 msg, u32 millisec);
47static void hptiop_finish_scsi_req(struct hptiop_hba *hba, u32 tag,
48 struct hpt_iop_request_scsi_command *req);
49static void hptiop_host_request_callback_itl(struct hptiop_hba *hba, u32 tag);
50static void hptiop_iop_request_callback_itl(struct hptiop_hba *hba, u32 tag);
ede1e6f8
HLT		 51static void hptiop_message_callback(struct hptiop_hba *hba, u32 msg);
52
00f59701 53static int iop_wait_ready_itl(struct hptiop_hba *hba, u32 millisec)
ede1e6f8
HLT		 54{
55 u32 req = 0;
56 int i;
57
58 for (i = 0; i < millisec; i++) {
00f59701 59 req = readl(&hba->u.itl.iop->inbound_queue);
ede1e6f8
HLT		 60 if (req != IOPMU_QUEUE_EMPTY)
61 break;
62 msleep(1);
63 }
64
65 if (req != IOPMU_QUEUE_EMPTY) {
00f59701
HLT		 66 writel(req, &hba->u.itl.iop->outbound_queue);
67 readl(&hba->u.itl.iop->outbound_intstatus);
ede1e6f8
HLT		 68 return 0;
69 }
70
71 return -1;
72}
73
00f59701
HLT		 74static int iop_wait_ready_mv(struct hptiop_hba *hba, u32 millisec)
75{
76 return iop_send_sync_msg(hba, IOPMU_INBOUND_MSG0_NOP, millisec);
77}
78
79static void hptiop_request_callback_itl(struct hptiop_hba *hba, u32 tag)
ede1e6f8 80{
db9b6e89 81 if (tag & IOPMU_QUEUE_ADDR_HOST_BIT)
00f59701 82 hptiop_host_request_callback_itl(hba,
ede1e6f8
HLT		 83 tag & ~IOPMU_QUEUE_ADDR_HOST_BIT);
84 else
00f59701 85 hptiop_iop_request_callback_itl(hba, tag);
ede1e6f8
HLT		 86}
87
00f59701 88static void hptiop_drain_outbound_queue_itl(struct hptiop_hba *hba)
ede1e6f8
HLT		 89{
90 u32 req;
91
00f59701
HLT		 92 while ((req = readl(&hba->u.itl.iop->outbound_queue)) !=
93 IOPMU_QUEUE_EMPTY) {
ede1e6f8
HLT		 94
95 if (req & IOPMU_QUEUE_MASK_HOST_BITS)
00f59701 96 hptiop_request_callback_itl(hba, req);
ede1e6f8
HLT		 97 else {
98 struct hpt_iop_request_header __iomem * p;
99
100 p = (struct hpt_iop_request_header __iomem *)
00f59701 101 ((char __iomem *)hba->u.itl.iop + req);
ede1e6f8
HLT		 102
103 if (readl(&p->flags) & IOP_REQUEST_FLAG_SYNC_REQUEST) {
104 if (readl(&p->context))
00f59701 105 hptiop_request_callback_itl(hba, req);
ede1e6f8
HLT		 106 else
107 writel(1, &p->context);
108 }
109 else
00f59701 110 hptiop_request_callback_itl(hba, req);
ede1e6f8
HLT		 111 }
112 }
113}
114
00f59701 115static int iop_intr_itl(struct hptiop_hba *hba)
ede1e6f8 116{
00f59701 117 struct hpt_iopmu_itl __iomem *iop = hba->u.itl.iop;
ede1e6f8
HLT		 118 u32 status;
119 int ret = 0;
120
121 status = readl(&iop->outbound_intstatus);
122
123 if (status & IOPMU_OUTBOUND_INT_MSG0) {
124 u32 msg = readl(&iop->outbound_msgaddr0);
00f59701 125
ede1e6f8
HLT		 126 dprintk("received outbound msg %x\n", msg);
127 writel(IOPMU_OUTBOUND_INT_MSG0, &iop->outbound_intstatus);
128 hptiop_message_callback(hba, msg);
129 ret = 1;
130 }
131
132 if (status & IOPMU_OUTBOUND_INT_POSTQUEUE) {
00f59701
HLT		 133 hptiop_drain_outbound_queue_itl(hba);
134 ret = 1;
135 }
136
137 return ret;
138}
139
140static u64 mv_outbound_read(struct hpt_iopmu_mv __iomem *mu)
141{
142 u32 outbound_tail = readl(&mu->outbound_tail);
143 u32 outbound_head = readl(&mu->outbound_head);
144
145 if (outbound_tail != outbound_head) {
146 u64 p;
147
148 memcpy_fromio(&p, &mu->outbound_q[mu->outbound_tail], 8);
149 outbound_tail++;
150
151 if (outbound_tail == MVIOP_QUEUE_LEN)
152 outbound_tail = 0;
153 writel(outbound_tail, &mu->outbound_tail);
154 return p;
155 } else
156 return 0;
157}
158
159static void mv_inbound_write(u64 p, struct hptiop_hba *hba)
160{
161 u32 inbound_head = readl(&hba->u.mv.mu->inbound_head);
162 u32 head = inbound_head + 1;
163
164 if (head == MVIOP_QUEUE_LEN)
165 head = 0;
166
167 memcpy_toio(&hba->u.mv.mu->inbound_q[inbound_head], &p, 8);
168 writel(head, &hba->u.mv.mu->inbound_head);
169 writel(MVIOP_MU_INBOUND_INT_POSTQUEUE,
170 &hba->u.mv.regs->inbound_doorbell);
171}
172
173static void hptiop_request_callback_mv(struct hptiop_hba *hba, u64 tag)
174{
175 u32 req_type = (tag >> 5) & 0x7;
176 struct hpt_iop_request_scsi_command *req;
177
178 dprintk("hptiop_request_callback_mv: tag=%llx\n", tag);
179
180 BUG_ON((tag & MVIOP_MU_QUEUE_REQUEST_RETURN_CONTEXT) == 0);
181
182 switch (req_type) {
183 case IOP_REQUEST_TYPE_GET_CONFIG:
184 case IOP_REQUEST_TYPE_SET_CONFIG:
185 hba->msg_done = 1;
186 break;
187
188 case IOP_REQUEST_TYPE_SCSI_COMMAND:
189 req = hba->reqs[tag >> 8].req_virt;
190 if (likely(tag & MVIOP_MU_QUEUE_REQUEST_RESULT_BIT))
191 req->header.result = cpu_to_le32(IOP_RESULT_SUCCESS);
192
193 hptiop_finish_scsi_req(hba, tag>>8, req);
194 break;
195
196 default:
197 break;
198 }
199}
200
201static int iop_intr_mv(struct hptiop_hba *hba)
202{
203 u32 status;
204 int ret = 0;
205
206 status = readl(&hba->u.mv.regs->outbound_doorbell);
207 writel(~status, &hba->u.mv.regs->outbound_doorbell);
208
209 if (status & MVIOP_MU_OUTBOUND_INT_MSG) {
210 u32 msg;
211 msg = readl(&hba->u.mv.mu->outbound_msg);
212 dprintk("received outbound msg %x\n", msg);
213 hptiop_message_callback(hba, msg);
214 ret = 1;
215 }
216
217 if (status & MVIOP_MU_OUTBOUND_INT_POSTQUEUE) {
218 u64 tag;
219
220 while ((tag = mv_outbound_read(hba->u.mv.mu)))
221 hptiop_request_callback_mv(hba, tag);
ede1e6f8
HLT		 222 ret = 1;
223 }
224
225 return ret;
226}
227
00f59701 228static int iop_send_sync_request_itl(struct hptiop_hba *hba,
ede1e6f8
HLT		 229 void __iomem *_req, u32 millisec)
230{
231 struct hpt_iop_request_header __iomem *req = _req;
232 u32 i;
233
00f59701 234 writel(readl(&req->flags) | IOP_REQUEST_FLAG_SYNC_REQUEST, &req->flags);
ede1e6f8 235 writel(0, &req->context);
00f59701
HLT		 236 writel((unsigned long)req - (unsigned long)hba->u.itl.iop,
237 &hba->u.itl.iop->inbound_queue);
238 readl(&hba->u.itl.iop->outbound_intstatus);
ede1e6f8
HLT		 239
240 for (i = 0; i < millisec; i++) {
00f59701 241 iop_intr_itl(hba);
ede1e6f8
HLT		 242 if (readl(&req->context))
243 return 0;
244 msleep(1);
245 }
246
247 return -1;
248}
249
00f59701
HLT		 250static int iop_send_sync_request_mv(struct hptiop_hba *hba,
251 u32 size_bits, u32 millisec)
ede1e6f8 252{
00f59701 253 struct hpt_iop_request_header *reqhdr = hba->u.mv.internal_req;
ede1e6f8
HLT		 254 u32 i;
255
256 hba->msg_done = 0;
00f59701
HLT		 257 reqhdr->flags |= cpu_to_le32(IOP_REQUEST_FLAG_SYNC_REQUEST);
258 mv_inbound_write(hba->u.mv.internal_req_phy |
259 MVIOP_MU_QUEUE_ADDR_HOST_BIT | size_bits, hba);
260
261 for (i = 0; i < millisec; i++) {
262 iop_intr_mv(hba);
263 if (hba->msg_done)
264 return 0;
265 msleep(1);
266 }
267 return -1;
268}
269
270static void hptiop_post_msg_itl(struct hptiop_hba *hba, u32 msg)
271{
272 writel(msg, &hba->u.itl.iop->inbound_msgaddr0);
273 readl(&hba->u.itl.iop->outbound_intstatus);
274}
275
276static void hptiop_post_msg_mv(struct hptiop_hba *hba, u32 msg)
277{
278 writel(msg, &hba->u.mv.mu->inbound_msg);
279 writel(MVIOP_MU_INBOUND_INT_MSG, &hba->u.mv.regs->inbound_doorbell);
280 readl(&hba->u.mv.regs->inbound_doorbell);
281}
ede1e6f8 282
00f59701
HLT		 283static int iop_send_sync_msg(struct hptiop_hba *hba, u32 msg, u32 millisec)
284{
285 u32 i;
ede1e6f8 286
00f59701
HLT		 287 hba->msg_done = 0;
288 hba->ops->post_msg(hba, msg);
ede1e6f8
HLT		 289
290 for (i = 0; i < millisec; i++) {
291 spin_lock_irq(hba->host->host_lock);
00f59701 292 hba->ops->iop_intr(hba);
ede1e6f8
HLT		 293 spin_unlock_irq(hba->host->host_lock);
294 if (hba->msg_done)
295 break;
296 msleep(1);
297 }
298
299 return hba->msg_done? 0 : -1;
300}
301
00f59701 302static int iop_get_config_itl(struct hptiop_hba *hba,
ede1e6f8
HLT		 303 struct hpt_iop_request_get_config *config)
304{
305 u32 req32;
306 struct hpt_iop_request_get_config __iomem *req;
307
00f59701 308 req32 = readl(&hba->u.itl.iop->inbound_queue);
ede1e6f8
HLT		 309 if (req32 == IOPMU_QUEUE_EMPTY)
310 return -1;
311
312 req = (struct hpt_iop_request_get_config __iomem *)
00f59701 313 ((unsigned long)hba->u.itl.iop + req32);
ede1e6f8
HLT		 314
315 writel(0, &req->header.flags);
316 writel(IOP_REQUEST_TYPE_GET_CONFIG, &req->header.type);
317 writel(sizeof(struct hpt_iop_request_get_config), &req->header.size);
318 writel(IOP_RESULT_PENDING, &req->header.result);
319
00f59701 320 if (iop_send_sync_request_itl(hba, req, 20000)) {
ede1e6f8
HLT		 321 dprintk("Get config send cmd failed\n");
322 return -1;
323 }
324
325 memcpy_fromio(config, req, sizeof(*config));
00f59701
HLT		 326 writel(req32, &hba->u.itl.iop->outbound_queue);
327 return 0;
328}
329
330static int iop_get_config_mv(struct hptiop_hba *hba,
331 struct hpt_iop_request_get_config *config)
332{
333 struct hpt_iop_request_get_config *req = hba->u.mv.internal_req;
334
335 req->header.flags = cpu_to_le32(IOP_REQUEST_FLAG_OUTPUT_CONTEXT);
336 req->header.type = cpu_to_le32(IOP_REQUEST_TYPE_GET_CONFIG);
337 req->header.size =
338 cpu_to_le32(sizeof(struct hpt_iop_request_get_config));
339 req->header.result = cpu_to_le32(IOP_RESULT_PENDING);
f6b196a2
JB		 340 req->header.context = cpu_to_le32(IOP_REQUEST_TYPE_GET_CONFIG<<5);
341 req->header.context_hi32 = 0;
00f59701
HLT		 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));
ede1e6f8
HLT		 349 return 0;
350}
351
00f59701 352static int iop_set_config_itl(struct hptiop_hba *hba,
ede1e6f8
HLT		 353 struct hpt_iop_request_set_config *config)
354{
355 u32 req32;
356 struct hpt_iop_request_set_config __iomem *req;
357
00f59701 358 req32 = readl(&hba->u.itl.iop->inbound_queue);
ede1e6f8
HLT		 359 if (req32 == IOPMU_QUEUE_EMPTY)
360 return -1;
361
362 req = (struct hpt_iop_request_set_config __iomem *)
00f59701 363 ((unsigned long)hba->u.itl.iop + req32);
ede1e6f8
HLT		 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
00f59701 375 if (iop_send_sync_request_itl(hba, req, 20000)) {
ede1e6f8
HLT		 376 dprintk("Set config send cmd failed\n");
377 return -1;
378 }
379
00f59701 380 writel(req32, &hba->u.itl.iop->outbound_queue);
ede1e6f8
HLT		 381 return 0;
382}
383
00f59701
HLT		 384static int iop_set_config_mv(struct hptiop_hba *hba,
385 struct hpt_iop_request_set_config *config)
ede1e6f8 386{
00f59701 387 struct hpt_iop_request_set_config *req = hba->u.mv.internal_req;
ede1e6f8 388
00f59701
HLT		 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);
f6b196a2
JB		 395 req->header.context = cpu_to_le32(IOP_REQUEST_TYPE_SET_CONFIG<<5);
396 req->header.context_hi32 = 0;
00f59701
HLT		 397
398 if (iop_send_sync_request_mv(hba, 0, 20000)) {
399 dprintk("Set config send cmd failed\n");
400 return -1;
401 }
402
403 return 0;
404}
405
406static void hptiop_enable_intr_itl(struct hptiop_hba *hba)
407{
ede1e6f8 408 writel(~(IOPMU_OUTBOUND_INT_POSTQUEUE | IOPMU_OUTBOUND_INT_MSG0),
00f59701
HLT		 409 &hba->u.itl.iop->outbound_intmask);
410}
411
412static void hptiop_enable_intr_mv(struct hptiop_hba *hba)
413{
414 writel(MVIOP_MU_OUTBOUND_INT_POSTQUEUE | MVIOP_MU_OUTBOUND_INT_MSG,
415 &hba->u.mv.regs->outbound_intmask);
416}
417
418static int hptiop_initialize_iop(struct hptiop_hba *hba)
419{
420 /* enable interrupts */
421 hba->ops->enable_intr(hba);
ede1e6f8
HLT		 422
423 hba->initialized = 1;
424
425 /* start background tasks */
426 if (iop_send_sync_msg(hba,
427 IOPMU_INBOUND_MSG0_START_BACKGROUND_TASK, 5000)) {
428 printk(KERN_ERR "scsi%d: fail to start background task\n",
429 hba->host->host_no);
430 return -1;
431 }
432 return 0;
433}
434
00f59701 435static void __iomem *hptiop_map_pci_bar(struct hptiop_hba *hba, int index)
ede1e6f8
HLT		 436{
437 u32 mem_base_phy, length;
438 void __iomem *mem_base_virt;
00f59701 439
ede1e6f8
HLT		 440 struct pci_dev *pcidev = hba->pcidev;
441
00f59701
HLT		 442
443 if (!(pci_resource_flags(pcidev, index) & IORESOURCE_MEM)) {
ede1e6f8
HLT		 444 printk(KERN_ERR "scsi%d: pci resource invalid\n",
445 hba->host->host_no);
9bcf0910 446 return NULL;
ede1e6f8
HLT		 447 }
448
00f59701
HLT		 449 mem_base_phy = pci_resource_start(pcidev, index);
450 length = pci_resource_len(pcidev, index);
ede1e6f8
HLT		 451 mem_base_virt = ioremap(mem_base_phy, length);
452
453 if (!mem_base_virt) {
454 printk(KERN_ERR "scsi%d: Fail to ioremap memory space\n",
455 hba->host->host_no);
9bcf0910 456 return NULL;
00f59701
HLT		 457 }
458 return mem_base_virt;
459}
460
461static int hptiop_map_pci_bar_itl(struct hptiop_hba *hba)
462{
463 hba->u.itl.iop = hptiop_map_pci_bar(hba, 0);
464 if (hba->u.itl.iop)
465 return 0;
466 else
467 return -1;
468}
469
470static void hptiop_unmap_pci_bar_itl(struct hptiop_hba *hba)
471{
472 iounmap(hba->u.itl.iop);
473}
474
475static int hptiop_map_pci_bar_mv(struct hptiop_hba *hba)
476{
477 hba->u.mv.regs = hptiop_map_pci_bar(hba, 0);
9bcf0910 478 if (hba->u.mv.regs == NULL)
00f59701
HLT		 479 return -1;
480
481 hba->u.mv.mu = hptiop_map_pci_bar(hba, 2);
9bcf0910 482 if (hba->u.mv.mu == NULL) {
00f59701 483 iounmap(hba->u.mv.regs);
ede1e6f8
HLT		 484 return -1;
485 }
486
ede1e6f8
HLT		 487 return 0;
488}
489
00f59701
HLT		 490static void hptiop_unmap_pci_bar_mv(struct hptiop_hba *hba)
491{
492 iounmap(hba->u.mv.regs);
493 iounmap(hba->u.mv.mu);
494}
495
ede1e6f8
HLT		 496static void hptiop_message_callback(struct hptiop_hba *hba, u32 msg)
497{
498 dprintk("iop message 0x%x\n", msg);
499
00f59701
HLT		 500 if (msg == IOPMU_INBOUND_MSG0_NOP)
501 hba->msg_done = 1;
502
ede1e6f8
HLT		 503 if (!hba->initialized)
504 return;
505
506 if (msg == IOPMU_INBOUND_MSG0_RESET) {
507 atomic_set(&hba->resetting, 0);
508 wake_up(&hba->reset_wq);
509 }
510 else if (msg <= IOPMU_INBOUND_MSG0_MAX)
511 hba->msg_done = 1;
512}
513
00f59701 514static struct hptiop_request *get_req(struct hptiop_hba *hba)
ede1e6f8
HLT		 515{
516 struct hptiop_request *ret;
517
518 dprintk("get_req : req=%p\n", hba->req_list);
519
520 ret = hba->req_list;
521 if (ret)
522 hba->req_list = ret->next;
523
524 return ret;
525}
526
00f59701 527static void free_req(struct hptiop_hba *hba, struct hptiop_request *req)
ede1e6f8
HLT		 528{
529 dprintk("free_req(%d, %p)\n", req->index, req);
530 req->next = hba->req_list;
531 hba->req_list = req;
532}
533
00f59701
HLT		 534static void hptiop_finish_scsi_req(struct hptiop_hba *hba, u32 tag,
535 struct hpt_iop_request_scsi_command *req)
ede1e6f8 536{
ede1e6f8
HLT		 537 struct scsi_cmnd *scp;
538
00f59701 539 dprintk("hptiop_finish_scsi_req: req=%p, type=%d, "
ede1e6f8
HLT		 540 "result=%d, context=0x%x tag=%d\n",
541 req, req->header.type, req->header.result,
542 req->header.context, tag);
543
544 BUG_ON(!req->header.result);
545 BUG_ON(req->header.type != cpu_to_le32(IOP_REQUEST_TYPE_SCSI_COMMAND));
546
547 scp = hba->reqs[tag].scp;
548
f9875496
FT		 549 if (HPT_SCP(scp)->mapped)
550 scsi_dma_unmap(scp);
ede1e6f8
HLT		 551
552 switch (le32_to_cpu(req->header.result)) {
553 case IOP_RESULT_SUCCESS:
00f59701
HLT		 554 scsi_set_resid(scp,
555 scsi_bufflen(scp) - le32_to_cpu(req->dataxfer_length));
ede1e6f8
HLT		 556 scp->result = (DID_OK<<16);
557 break;
558 case IOP_RESULT_BAD_TARGET:
559 scp->result = (DID_BAD_TARGET<<16);
560 break;
561 case IOP_RESULT_BUSY:
562 scp->result = (DID_BUS_BUSY<<16);
563 break;
564 case IOP_RESULT_RESET:
565 scp->result = (DID_RESET<<16);
566 break;
567 case IOP_RESULT_FAIL:
568 scp->result = (DID_ERROR<<16);
569 break;
570 case IOP_RESULT_INVALID_REQUEST:
571 scp->result = (DID_ABORT<<16);
572 break;
00f59701
HLT		 573 case IOP_RESULT_CHECK_CONDITION:
574 scsi_set_resid(scp,
575 scsi_bufflen(scp) - le32_to_cpu(req->dataxfer_length));
ede1e6f8 576 scp->result = SAM_STAT_CHECK_CONDITION;
c372f4a8 577 memcpy(scp->sense_buffer, &req->sg_list,
b80ca4f7 578 min_t(size_t, SCSI_SENSE_BUFFERSIZE,
0fec02c9 579 le32_to_cpu(req->dataxfer_length)));
ede1e6f8
HLT		 580 break;
581
582 default:
583 scp->result = ((DRIVER_INVALID|SUGGEST_ABORT)<<24) |
584 (DID_ABORT<<16);
585 break;
586 }
587
588 dprintk("scsi_done(%p)\n", scp);
589 scp->scsi_done(scp);
590 free_req(hba, &hba->reqs[tag]);
591}
592
00f59701
HLT		 593static void hptiop_host_request_callback_itl(struct hptiop_hba *hba, u32 _tag)
594{
595 struct hpt_iop_request_scsi_command *req;
596 u32 tag;
597
598 if (hba->iopintf_v2) {
599 tag = _tag & ~IOPMU_QUEUE_REQUEST_RESULT_BIT;
600 req = hba->reqs[tag].req_virt;
601 if (likely(_tag & IOPMU_QUEUE_REQUEST_RESULT_BIT))
602 req->header.result = cpu_to_le32(IOP_RESULT_SUCCESS);
603 } else {
604 tag = _tag;
605 req = hba->reqs[tag].req_virt;
606 }
607
608 hptiop_finish_scsi_req(hba, tag, req);
609}
610
611void hptiop_iop_request_callback_itl(struct hptiop_hba *hba, u32 tag)
ede1e6f8
HLT		 612{
613 struct hpt_iop_request_header __iomem *req;
614 struct hpt_iop_request_ioctl_command __iomem *p;
615 struct hpt_ioctl_k *arg;
616
617 req = (struct hpt_iop_request_header __iomem *)
00f59701
HLT		 618 ((unsigned long)hba->u.itl.iop + tag);
619 dprintk("hptiop_iop_request_callback_itl: req=%p, type=%d, "
ede1e6f8
HLT		 620 "result=%d, context=0x%x tag=%d\n",
621 req, readl(&req->type), readl(&req->result),
622 readl(&req->context), tag);
623
624 BUG_ON(!readl(&req->result));
625 BUG_ON(readl(&req->type) != IOP_REQUEST_TYPE_IOCTL_COMMAND);
626
627 p = (struct hpt_iop_request_ioctl_command __iomem *)req;
628 arg = (struct hpt_ioctl_k *)(unsigned long)
629 (readl(&req->context) |
630 ((u64)readl(&req->context_hi32)<<32));
631
632 if (readl(&req->result) == IOP_RESULT_SUCCESS) {
633 arg->result = HPT_IOCTL_RESULT_OK;
634
635 if (arg->outbuf_size)
636 memcpy_fromio(arg->outbuf,
637 &p->buf[(readl(&p->inbuf_size) + 3)& ~3],
638 arg->outbuf_size);
639
640 if (arg->bytes_returned)
641 *arg->bytes_returned = arg->outbuf_size;
642 }
643 else
644 arg->result = HPT_IOCTL_RESULT_FAILED;
645
646 arg->done(arg);
00f59701 647 writel(tag, &hba->u.itl.iop->outbound_queue);
ede1e6f8
HLT		 648}
649
7d12e780 650static irqreturn_t hptiop_intr(int irq, void *dev_id)
ede1e6f8
HLT		 651{
652 struct hptiop_hba *hba = dev_id;
653 int handled;
654 unsigned long flags;
655
656 spin_lock_irqsave(hba->host->host_lock, flags);
00f59701 657 handled = hba->ops->iop_intr(hba);
ede1e6f8
HLT		 658 spin_unlock_irqrestore(hba->host->host_lock, flags);
659
660 return handled;
661}
662
663static int hptiop_buildsgl(struct scsi_cmnd *scp, struct hpt_iopsg *psg)
664{
665 struct Scsi_Host *host = scp->device->host;
666 struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
f9875496
FT		 667 struct scatterlist *sg;
668 int idx, nseg;
669
670 nseg = scsi_dma_map(scp);
671 BUG_ON(nseg < 0);
672 if (!nseg)
673 return 0;
ede1e6f8 674
f9875496
FT		 675 HPT_SCP(scp)->sgcnt = nseg;
676 HPT_SCP(scp)->mapped = 1;
677
678 BUG_ON(HPT_SCP(scp)->sgcnt > hba->max_sg_descriptors);
679
680 scsi_for_each_sg(scp, sg, HPT_SCP(scp)->sgcnt, idx) {
681 psg[idx].pci_address = cpu_to_le64(sg_dma_address(sg));
682 psg[idx].size = cpu_to_le32(sg_dma_len(sg));
683 psg[idx].eot = (idx == HPT_SCP(scp)->sgcnt - 1) ?
684 cpu_to_le32(1) : 0;
ede1e6f8 685 }
f9875496 686 return HPT_SCP(scp)->sgcnt;
ede1e6f8
HLT		 687}
688
00f59701
HLT		 689static void hptiop_post_req_itl(struct hptiop_hba *hba,
690 struct hptiop_request *_req)
691{
692 struct hpt_iop_request_header *reqhdr = _req->req_virt;
693
694 reqhdr->context = cpu_to_le32(IOPMU_QUEUE_ADDR_HOST_BIT |
695 (u32)_req->index);
696 reqhdr->context_hi32 = 0;
697
698 if (hba->iopintf_v2) {
699 u32 size, size_bits;
700
701 size = le32_to_cpu(reqhdr->size);
702 if (size < 256)
703 size_bits = IOPMU_QUEUE_REQUEST_SIZE_BIT;
704 else if (size < 512)
705 size_bits = IOPMU_QUEUE_ADDR_HOST_BIT;
706 else
707 size_bits = IOPMU_QUEUE_REQUEST_SIZE_BIT |
708 IOPMU_QUEUE_ADDR_HOST_BIT;
709 writel(_req->req_shifted_phy | size_bits,
710 &hba->u.itl.iop->inbound_queue);
711 } else
712 writel(_req->req_shifted_phy | IOPMU_QUEUE_ADDR_HOST_BIT,
713 &hba->u.itl.iop->inbound_queue);
714}
715
716static void hptiop_post_req_mv(struct hptiop_hba *hba,
717 struct hptiop_request *_req)
718{
719 struct hpt_iop_request_header *reqhdr = _req->req_virt;
720 u32 size, size_bit;
721
722 reqhdr->context = cpu_to_le32(_req->index<<8 |
723 IOP_REQUEST_TYPE_SCSI_COMMAND<<5);
724 reqhdr->context_hi32 = 0;
725 size = le32_to_cpu(reqhdr->size);
726
727 if (size <= 256)
728 size_bit = 0;
729 else if (size <= 256*2)
730 size_bit = 1;
731 else if (size <= 256*3)
732 size_bit = 2;
733 else
734 size_bit = 3;
735
736 mv_inbound_write((_req->req_shifted_phy << 5) |
737 MVIOP_MU_QUEUE_ADDR_HOST_BIT | size_bit, hba);
738}
739
ede1e6f8
HLT		 740static int hptiop_queuecommand(struct scsi_cmnd *scp,
741 void (*done)(struct scsi_cmnd *))
742{
743 struct Scsi_Host *host = scp->device->host;
744 struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
745 struct hpt_iop_request_scsi_command *req;
746 int sg_count = 0;
747 struct hptiop_request *_req;
748
749 BUG_ON(!done);
750 scp->scsi_done = done;
751
ede1e6f8
HLT		 752 _req = get_req(hba);
753 if (_req == NULL) {
754 dprintk("hptiop_queuecmd : no free req\n");
4f2ddba3 755 return SCSI_MLQUEUE_HOST_BUSY;
ede1e6f8
HLT		 756 }
757
758 _req->scp = scp;
759
760 dprintk("hptiop_queuecmd(scp=%p) %d/%d/%d/%d cdb=(%x-%x-%x) "
761 "req_index=%d, req=%p\n",
762 scp,
763 host->host_no, scp->device->channel,
764 scp->device->id, scp->device->lun,
64a87b24
BH		 765 ((u32 *)scp->cmnd)[0],
766 ((u32 *)scp->cmnd)[1],
767 ((u32 *)scp->cmnd)[2],
ede1e6f8
HLT		 768 _req->index, _req->req_virt);
769
770 scp->result = 0;
771
772 if (scp->device->channel || scp->device->lun ||
773 scp->device->id > hba->max_devices) {
774 scp->result = DID_BAD_TARGET << 16;
775 free_req(hba, _req);
776 goto cmd_done;
777 }
778
db9b6e89 779 req = _req->req_virt;
ede1e6f8
HLT		 780
781 /* build S/G table */
f9875496
FT		 782 sg_count = hptiop_buildsgl(scp, req->sg_list);
783 if (!sg_count)
ede1e6f8
HLT		 784 HPT_SCP(scp)->mapped = 0;
785
786 req->header.flags = cpu_to_le32(IOP_REQUEST_FLAG_OUTPUT_CONTEXT);
787 req->header.type = cpu_to_le32(IOP_REQUEST_TYPE_SCSI_COMMAND);
788 req->header.result = cpu_to_le32(IOP_RESULT_PENDING);
f9875496 789 req->dataxfer_length = cpu_to_le32(scsi_bufflen(scp));
ede1e6f8
HLT		 790 req->channel = scp->device->channel;
791 req->target = scp->device->id;
792 req->lun = scp->device->lun;
793 req->header.size = cpu_to_le32(
794 sizeof(struct hpt_iop_request_scsi_command)
795 - sizeof(struct hpt_iopsg)
796 + sg_count * sizeof(struct hpt_iopsg));
797
798 memcpy(req->cdb, scp->cmnd, sizeof(req->cdb));
00f59701 799 hba->ops->post_req(hba, _req);
ede1e6f8
HLT		 800 return 0;
801
802cmd_done:
803 dprintk("scsi_done(scp=%p)\n", scp);
804 scp->scsi_done(scp);
805 return 0;
806}
807
808static const char *hptiop_info(struct Scsi_Host *host)
809{
810 return driver_name_long;
811}
812
813static int hptiop_reset_hba(struct hptiop_hba *hba)
814{
815 if (atomic_xchg(&hba->resetting, 1) == 0) {
816 atomic_inc(&hba->reset_count);
00f59701 817 hba->ops->post_msg(hba, IOPMU_INBOUND_MSG0_RESET);
ede1e6f8
HLT		 818 }
819
820 wait_event_timeout(hba->reset_wq,
821 atomic_read(&hba->resetting) == 0, 60 * HZ);
822
823 if (atomic_read(&hba->resetting)) {
824 /* IOP is in unkown state, abort reset */
825 printk(KERN_ERR "scsi%d: reset failed\n", hba->host->host_no);
826 return -1;
827 }
828
829 if (iop_send_sync_msg(hba,
830 IOPMU_INBOUND_MSG0_START_BACKGROUND_TASK, 5000)) {
831 dprintk("scsi%d: fail to start background task\n",
832 hba->host->host_no);
833 }
834
835 return 0;
836}
837
838static int hptiop_reset(struct scsi_cmnd *scp)
839{
840 struct Scsi_Host * host = scp->device->host;
841 struct hptiop_hba * hba = (struct hptiop_hba *)host->hostdata;
842
843 printk(KERN_WARNING "hptiop_reset(%d/%d/%d) scp=%p\n",
844 scp->device->host->host_no, scp->device->channel,
845 scp->device->id, scp);
846
847 return hptiop_reset_hba(hba)? FAILED : SUCCESS;
848}
849
850static int hptiop_adjust_disk_queue_depth(struct scsi_device *sdev,
851 int queue_depth)
852{
00f59701
HLT		 853 struct hptiop_hba *hba = (struct hptiop_hba *)sdev->host->hostdata;
854
855 if (queue_depth > hba->max_requests)
856 queue_depth = hba->max_requests;
ede1e6f8
HLT		 857 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, queue_depth);
858 return queue_depth;
859}
860
ee959b00
TJ		 861static ssize_t hptiop_show_version(struct device *dev,
862 struct device_attribute *attr, char *buf)
ede1e6f8
HLT		 863{
864 return snprintf(buf, PAGE_SIZE, "%s\n", driver_ver);
865}
866
ee959b00
TJ		 867static ssize_t hptiop_show_fw_version(struct device *dev,
868 struct device_attribute *attr, char *buf)
ede1e6f8 869{
ee959b00 870 struct Scsi_Host *host = class_to_shost(dev);
ede1e6f8
HLT		 871 struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
872
873 return snprintf(buf, PAGE_SIZE, "%d.%d.%d.%d\n",
874 hba->firmware_version >> 24,
875 (hba->firmware_version >> 16) & 0xff,
876 (hba->firmware_version >> 8) & 0xff,
877 hba->firmware_version & 0xff);
878}
879
ee959b00 880static struct device_attribute hptiop_attr_version = {
ede1e6f8
HLT		 881 .attr = {
882 .name = "driver-version",
883 .mode = S_IRUGO,
884 },
885 .show = hptiop_show_version,
886};
887
ee959b00 888static struct device_attribute hptiop_attr_fw_version = {
ede1e6f8
HLT		 889 .attr = {
890 .name = "firmware-version",
891 .mode = S_IRUGO,
892 },
893 .show = hptiop_show_fw_version,
894};
895
ee959b00 896static struct device_attribute *hptiop_attrs[] = {
ede1e6f8
HLT		 897 &hptiop_attr_version,
898 &hptiop_attr_fw_version,
899 NULL
900};
901
902static struct scsi_host_template driver_template = {
903 .module = THIS_MODULE,
904 .name = driver_name,
905 .queuecommand = hptiop_queuecommand,
906 .eh_device_reset_handler = hptiop_reset,
907 .eh_bus_reset_handler = hptiop_reset,
908 .info = hptiop_info,
ede1e6f8
HLT		 909 .emulated = 0,
910 .use_clustering = ENABLE_CLUSTERING,
911 .proc_name = driver_name,
912 .shost_attrs = hptiop_attrs,
913 .this_id = -1,
914 .change_queue_depth = hptiop_adjust_disk_queue_depth,
915};
916
00f59701
HLT		 917static int hptiop_internal_memalloc_mv(struct hptiop_hba *hba)
918{
919 hba->u.mv.internal_req = dma_alloc_coherent(&hba->pcidev->dev,
920 0x800, &hba->u.mv.internal_req_phy, GFP_KERNEL);
921 if (hba->u.mv.internal_req)
922 return 0;
923 else
924 return -1;
925}
926
927static int hptiop_internal_memfree_mv(struct hptiop_hba *hba)
928{
929 if (hba->u.mv.internal_req) {
930 dma_free_coherent(&hba->pcidev->dev, 0x800,
931 hba->u.mv.internal_req, hba->u.mv.internal_req_phy);
932 return 0;
933 } else
934 return -1;
935}
936
ede1e6f8
HLT		 937static int __devinit hptiop_probe(struct pci_dev *pcidev,
938 const struct pci_device_id *id)
939{
940 struct Scsi_Host *host = NULL;
941 struct hptiop_hba *hba;
942 struct hpt_iop_request_get_config iop_config;
943 struct hpt_iop_request_set_config set_config;
944 dma_addr_t start_phy;
945 void *start_virt;
946 u32 offset, i, req_size;
947
948 dprintk("hptiop_probe(%p)\n", pcidev);
949
950 if (pci_enable_device(pcidev)) {
951 printk(KERN_ERR "hptiop: fail to enable pci device\n");
952 return -ENODEV;
953 }
954
955 printk(KERN_INFO "adapter at PCI %d:%d:%d, IRQ %d\n",
956 pcidev->bus->number, pcidev->devfn >> 3, pcidev->devfn & 7,
957 pcidev->irq);
958
959 pci_set_master(pcidev);
960
961 /* Enable 64bit DMA if possible */
962 if (pci_set_dma_mask(pcidev, DMA_64BIT_MASK)) {
963 if (pci_set_dma_mask(pcidev, DMA_32BIT_MASK)) {
964 printk(KERN_ERR "hptiop: fail to set dma_mask\n");
965 goto disable_pci_device;
966 }
967 }
968
969 if (pci_request_regions(pcidev, driver_name)) {
970 printk(KERN_ERR "hptiop: pci_request_regions failed\n");
971 goto disable_pci_device;
972 }
973
974 host = scsi_host_alloc(&driver_template, sizeof(struct hptiop_hba));
975 if (!host) {
976 printk(KERN_ERR "hptiop: fail to alloc scsi host\n");
977 goto free_pci_regions;
978 }
979
980 hba = (struct hptiop_hba *)host->hostdata;
981
00f59701 982 hba->ops = (struct hptiop_adapter_ops *)id->driver_data;
ede1e6f8
HLT		 983 hba->pcidev = pcidev;
984 hba->host = host;
985 hba->initialized = 0;
db9b6e89 986 hba->iopintf_v2 = 0;
ede1e6f8
HLT		 987
988 atomic_set(&hba->resetting, 0);
989 atomic_set(&hba->reset_count, 0);
990
991 init_waitqueue_head(&hba->reset_wq);
992 init_waitqueue_head(&hba->ioctl_wq);
993
994 host->max_lun = 1;
995 host->max_channel = 0;
996 host->io_port = 0;
997 host->n_io_port = 0;
998 host->irq = pcidev->irq;
999
00f59701 1000 if (hba->ops->map_pci_bar(hba))
ede1e6f8
HLT		 1001 goto free_scsi_host;
1002
00f59701 1003 if (hba->ops->iop_wait_ready(hba, 20000)) {
ede1e6f8
HLT		 1004 printk(KERN_ERR "scsi%d: firmware not ready\n",
1005 hba->host->host_no);
1006 goto unmap_pci_bar;
1007 }
1008
00f59701
HLT		 1009 if (hba->ops->internal_memalloc) {
1010 if (hba->ops->internal_memalloc(hba)) {
1011 printk(KERN_ERR "scsi%d: internal_memalloc failed\n",
1012 hba->host->host_no);
1013 goto unmap_pci_bar;
1014 }
1015 }
1016
1017 if (hba->ops->get_config(hba, &iop_config)) {
ede1e6f8
HLT		 1018 printk(KERN_ERR "scsi%d: get config failed\n",
1019 hba->host->host_no);
1020 goto unmap_pci_bar;
1021 }
1022
1023 hba->max_requests = min(le32_to_cpu(iop_config.max_requests),
1024 HPTIOP_MAX_REQUESTS);
1025 hba->max_devices = le32_to_cpu(iop_config.max_devices);
1026 hba->max_request_size = le32_to_cpu(iop_config.request_size);
1027 hba->max_sg_descriptors = le32_to_cpu(iop_config.max_sg_count);
1028 hba->firmware_version = le32_to_cpu(iop_config.firmware_version);
db9b6e89 1029 hba->interface_version = le32_to_cpu(iop_config.interface_version);
ede1e6f8
HLT		 1030 hba->sdram_size = le32_to_cpu(iop_config.sdram_size);
1031
db9b6e89
HLT		 1032 if (hba->firmware_version > 0x01020000 ||
1033 hba->interface_version > 0x01020000)
1034 hba->iopintf_v2 = 1;
1035
ede1e6f8
HLT		 1036 host->max_sectors = le32_to_cpu(iop_config.data_transfer_length) >> 9;
1037 host->max_id = le32_to_cpu(iop_config.max_devices);
1038 host->sg_tablesize = le32_to_cpu(iop_config.max_sg_count);
1039 host->can_queue = le32_to_cpu(iop_config.max_requests);
1040 host->cmd_per_lun = le32_to_cpu(iop_config.max_requests);
1041 host->max_cmd_len = 16;
1042
db9b6e89
HLT		 1043 req_size = sizeof(struct hpt_iop_request_scsi_command)
1044 + sizeof(struct hpt_iopsg) * (hba->max_sg_descriptors - 1);
1045 if ((req_size & 0x1f) != 0)
1046 req_size = (req_size + 0x1f) & ~0x1f;
1047
1048 memset(&set_config, 0, sizeof(struct hpt_iop_request_set_config));
ede1e6f8 1049 set_config.iop_id = cpu_to_le32(host->host_no);
db9b6e89
HLT		 1050 set_config.vbus_id = cpu_to_le16(host->host_no);
1051 set_config.max_host_request_size = cpu_to_le16(req_size);
ede1e6f8 1052
00f59701 1053 if (hba->ops->set_config(hba, &set_config)) {
ede1e6f8
HLT		 1054 printk(KERN_ERR "scsi%d: set config failed\n",
1055 hba->host->host_no);
1056 goto unmap_pci_bar;
1057 }
1058
ede1e6f8
HLT		 1059 pci_set_drvdata(pcidev, host);
1060
1d6f359a 1061 if (request_irq(pcidev->irq, hptiop_intr, IRQF_SHARED,
ede1e6f8
HLT		 1062 driver_name, hba)) {
1063 printk(KERN_ERR "scsi%d: request irq %d failed\n",
1064 hba->host->host_no, pcidev->irq);
3e74051b 1065 goto unmap_pci_bar;
ede1e6f8
HLT		 1066 }
1067
1068 /* Allocate request mem */
ede1e6f8
HLT		 1069
1070 dprintk("req_size=%d, max_requests=%d\n", req_size, hba->max_requests);
1071
1072 hba->req_size = req_size;
1073 start_virt = dma_alloc_coherent(&pcidev->dev,
1074 hba->req_size*hba->max_requests + 0x20,
1075 &start_phy, GFP_KERNEL);
1076
1077 if (!start_virt) {
1078 printk(KERN_ERR "scsi%d: fail to alloc request mem\n",
1079 hba->host->host_no);
1080 goto free_request_irq;
1081 }
1082
1083 hba->dma_coherent = start_virt;
1084 hba->dma_coherent_handle = start_phy;
1085
1086 if ((start_phy & 0x1f) != 0)
1087 {
1088 offset = ((start_phy + 0x1f) & ~0x1f) - start_phy;
1089 start_phy += offset;
1090 start_virt += offset;
1091 }
1092
1093 hba->req_list = start_virt;
1094 for (i = 0; i < hba->max_requests; i++) {
1095 hba->reqs[i].next = NULL;
1096 hba->reqs[i].req_virt = start_virt;
1097 hba->reqs[i].req_shifted_phy = start_phy >> 5;
1098 hba->reqs[i].index = i;
1099 free_req(hba, &hba->reqs[i]);
1100 start_virt = (char *)start_virt + hba->req_size;
1101 start_phy = start_phy + hba->req_size;
1102 }
1103
1104 /* Enable Interrupt and start background task */
1105 if (hptiop_initialize_iop(hba))
1106 goto free_request_mem;
1107
3e74051b
CH		 1108 if (scsi_add_host(host, &pcidev->dev)) {
1109 printk(KERN_ERR "scsi%d: scsi_add_host failed\n",
1110 hba->host->host_no);
1111 goto free_request_mem;
1112 }
1113
ede1e6f8
HLT		 1114
1115 scsi_scan_host(host);
1116
1117 dprintk("scsi%d: hptiop_probe successfully\n", hba->host->host_no);
1118 return 0;
1119
1120free_request_mem:
1121 dma_free_coherent(&hba->pcidev->dev,
00f59701 1122 hba->req_size * hba->max_requests + 0x20,
ede1e6f8
HLT		 1123 hba->dma_coherent, hba->dma_coherent_handle);
1124
1125free_request_irq:
1126 free_irq(hba->pcidev->irq, hba);
1127
ede1e6f8 1128unmap_pci_bar:
00f59701
HLT		 1129 if (hba->ops->internal_memfree)
1130 hba->ops->internal_memfree(hba);
ede1e6f8 1131
00f59701 1132 hba->ops->unmap_pci_bar(hba);
ede1e6f8
HLT		 1133
1134free_scsi_host:
1135 scsi_host_put(host);
1136
00f59701
HLT		 1137free_pci_regions:
1138 pci_release_regions(pcidev);
1139
ede1e6f8
HLT		 1140disable_pci_device:
1141 pci_disable_device(pcidev);
1142
1143 dprintk("scsi%d: hptiop_probe fail\n", host->host_no);
1144 return -ENODEV;
1145}
1146
1147static void hptiop_shutdown(struct pci_dev *pcidev)
1148{
1149 struct Scsi_Host *host = pci_get_drvdata(pcidev);
1150 struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
ede1e6f8
HLT		 1151
1152 dprintk("hptiop_shutdown(%p)\n", hba);
1153
1154 /* stop the iop */
1155 if (iop_send_sync_msg(hba, IOPMU_INBOUND_MSG0_SHUTDOWN, 60000))
1156 printk(KERN_ERR "scsi%d: shutdown the iop timeout\n",
1157 hba->host->host_no);
1158
1159 /* disable all outbound interrupts */
00f59701
HLT		 1160 hba->ops->disable_intr(hba);
1161}
1162
1163static void hptiop_disable_intr_itl(struct hptiop_hba *hba)
1164{
1165 u32 int_mask;
1166
1167 int_mask = readl(&hba->u.itl.iop->outbound_intmask);
ede1e6f8
HLT		 1168 writel(int_mask |
1169 IOPMU_OUTBOUND_INT_MSG0 | IOPMU_OUTBOUND_INT_POSTQUEUE,
00f59701
HLT		 1170 &hba->u.itl.iop->outbound_intmask);
1171 readl(&hba->u.itl.iop->outbound_intmask);
1172}
1173
1174static void hptiop_disable_intr_mv(struct hptiop_hba *hba)
1175{
1176 writel(0, &hba->u.mv.regs->outbound_intmask);
1177 readl(&hba->u.mv.regs->outbound_intmask);
ede1e6f8
HLT		 1178}
1179
1180static void hptiop_remove(struct pci_dev *pcidev)
1181{
1182 struct Scsi_Host *host = pci_get_drvdata(pcidev);
1183 struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
1184
1185 dprintk("scsi%d: hptiop_remove\n", hba->host->host_no);
1186
4f2ddba3
HLT		 1187 scsi_remove_host(host);
1188
ede1e6f8
HLT		 1189 hptiop_shutdown(pcidev);
1190
1191 free_irq(hba->pcidev->irq, hba);
1192
1193 dma_free_coherent(&hba->pcidev->dev,
1194 hba->req_size * hba->max_requests + 0x20,
1195 hba->dma_coherent,
1196 hba->dma_coherent_handle);
1197
00f59701
HLT		 1198 if (hba->ops->internal_memfree)
1199 hba->ops->internal_memfree(hba);
1200
1201 hba->ops->unmap_pci_bar(hba);
ede1e6f8
HLT		 1202
1203 pci_release_regions(hba->pcidev);
1204 pci_set_drvdata(hba->pcidev, NULL);
1205 pci_disable_device(hba->pcidev);
1206
ede1e6f8
HLT		 1207 scsi_host_put(host);
1208}
1209
00f59701
HLT		 1210static struct hptiop_adapter_ops hptiop_itl_ops = {
1211 .iop_wait_ready = iop_wait_ready_itl,
9bcf0910
HH		 1212 .internal_memalloc = NULL,
1213 .internal_memfree = NULL,
00f59701
HLT		 1214 .map_pci_bar = hptiop_map_pci_bar_itl,
1215 .unmap_pci_bar = hptiop_unmap_pci_bar_itl,
1216 .enable_intr = hptiop_enable_intr_itl,
1217 .disable_intr = hptiop_disable_intr_itl,
1218 .get_config = iop_get_config_itl,
1219 .set_config = iop_set_config_itl,
1220 .iop_intr = iop_intr_itl,
1221 .post_msg = hptiop_post_msg_itl,
1222 .post_req = hptiop_post_req_itl,
1223};
1224
1225static struct hptiop_adapter_ops hptiop_mv_ops = {
1226 .iop_wait_ready = iop_wait_ready_mv,
1227 .internal_memalloc = hptiop_internal_memalloc_mv,
1228 .internal_memfree = hptiop_internal_memfree_mv,
1229 .map_pci_bar = hptiop_map_pci_bar_mv,
1230 .unmap_pci_bar = hptiop_unmap_pci_bar_mv,
1231 .enable_intr = hptiop_enable_intr_mv,
1232 .disable_intr = hptiop_disable_intr_mv,
1233 .get_config = iop_get_config_mv,
1234 .set_config = iop_set_config_mv,
1235 .iop_intr = iop_intr_mv,
1236 .post_msg = hptiop_post_msg_mv,
1237 .post_req = hptiop_post_req_mv,
1238};
1239
ede1e6f8 1240static struct pci_device_id hptiop_id_table[] = {
00f59701
HLT		 1241 { PCI_VDEVICE(TTI, 0x3220), (kernel_ulong_t)&hptiop_itl_ops },
1242 { PCI_VDEVICE(TTI, 0x3320), (kernel_ulong_t)&hptiop_itl_ops },
1243 { PCI_VDEVICE(TTI, 0x3520), (kernel_ulong_t)&hptiop_itl_ops },
1244 { PCI_VDEVICE(TTI, 0x4320), (kernel_ulong_t)&hptiop_itl_ops },
1245 { PCI_VDEVICE(TTI, 0x3510), (kernel_ulong_t)&hptiop_itl_ops },
1246 { PCI_VDEVICE(TTI, 0x3511), (kernel_ulong_t)&hptiop_itl_ops },
1247 { PCI_VDEVICE(TTI, 0x3521), (kernel_ulong_t)&hptiop_itl_ops },
1248 { PCI_VDEVICE(TTI, 0x3522), (kernel_ulong_t)&hptiop_itl_ops },
1249 { PCI_VDEVICE(TTI, 0x3410), (kernel_ulong_t)&hptiop_itl_ops },
1250 { PCI_VDEVICE(TTI, 0x3540), (kernel_ulong_t)&hptiop_itl_ops },
dd07428b
HLT		 1251 { PCI_VDEVICE(TTI, 0x3530), (kernel_ulong_t)&hptiop_itl_ops },
1252 { PCI_VDEVICE(TTI, 0x3560), (kernel_ulong_t)&hptiop_itl_ops },
1253 { PCI_VDEVICE(TTI, 0x4322), (kernel_ulong_t)&hptiop_itl_ops },
1254 { PCI_VDEVICE(TTI, 0x4210), (kernel_ulong_t)&hptiop_itl_ops },
1255 { PCI_VDEVICE(TTI, 0x4211), (kernel_ulong_t)&hptiop_itl_ops },
1256 { PCI_VDEVICE(TTI, 0x4310), (kernel_ulong_t)&hptiop_itl_ops },
1257 { PCI_VDEVICE(TTI, 0x4311), (kernel_ulong_t)&hptiop_itl_ops },
00f59701
HLT		 1258 { PCI_VDEVICE(TTI, 0x3120), (kernel_ulong_t)&hptiop_mv_ops },
1259 { PCI_VDEVICE(TTI, 0x3122), (kernel_ulong_t)&hptiop_mv_ops },
1260 { PCI_VDEVICE(TTI, 0x3020), (kernel_ulong_t)&hptiop_mv_ops },
ede1e6f8
HLT		 1261 {},
1262};
1263
1264MODULE_DEVICE_TABLE(pci, hptiop_id_table);
1265
1266static struct pci_driver hptiop_pci_driver = {
1267 .name = driver_name,
1268 .id_table = hptiop_id_table,
1269 .probe = hptiop_probe,
1270 .remove = hptiop_remove,
1271 .shutdown = hptiop_shutdown,
1272};
1273
1274static int __init hptiop_module_init(void)
1275{
ede1e6f8 1276 printk(KERN_INFO "%s %s\n", driver_name_long, driver_ver);
3e74051b 1277 return pci_register_driver(&hptiop_pci_driver);
ede1e6f8
HLT		 1278}
1279
1280static void __exit hptiop_module_exit(void)
1281{
ede1e6f8
HLT		 1282 pci_unregister_driver(&hptiop_pci_driver);
1283}
1284
1285
1286module_init(hptiop_module_init);
1287module_exit(hptiop_module_exit);
1288
1289MODULE_LICENSE("GPL");
db9b6e89 1290
Linux 6.x block layer and io_uring tree(s)