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HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +08001/*
HighPoint Linux Team00f59702007-12-13 16:14:26 -08002 * HighPoint RR3xxx/4xxx controller driver for Linux
HighPoint Linux Team3bfc13c2009-09-11 17:21:27 +08003 * Copyright (C) 2006-2009 HighPoint Technologies, Inc. All Rights Reserved.
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +08004 *
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 */
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +080018#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>
Tejun Heo5a0e3ad2010-03-24 17:04:11 +090028#include <linux/gfp.h>
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +080029#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.");
HighPoint Linux Team00f59702007-12-13 16:14:26 -080041MODULE_DESCRIPTION("HighPoint RocketRAID 3xxx/4xxx Controller Driver");
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +080042
43static char driver_name[] = "hptiop";
HighPoint Linux Team00f59702007-12-13 16:14:26 -080044static const char driver_name_long[] = "RocketRAID 3xxx/4xxx Controller driver";
HighPoint Linux Team23f0bb42012-06-14 08:47:07 +010045static const char driver_ver[] = "v1.6 (091225)";
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +080046
HighPoint Linux Team00f59702007-12-13 16:14:26 -080047static 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);
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +080052static void hptiop_message_callback(struct hptiop_hba *hba, u32 msg);
53
HighPoint Linux Team00f59702007-12-13 16:14:26 -080054static int iop_wait_ready_itl(struct hptiop_hba *hba, u32 millisec)
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +080055{
56 u32 req = 0;
57 int i;
58
59 for (i = 0; i < millisec; i++) {
HighPoint Linux Team00f59702007-12-13 16:14:26 -080060 req = readl(&hba->u.itl.iop->inbound_queue);
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +080061 if (req != IOPMU_QUEUE_EMPTY)
62 break;
63 msleep(1);
64 }
65
66 if (req != IOPMU_QUEUE_EMPTY) {
HighPoint Linux Team00f59702007-12-13 16:14:26 -080067 writel(req, &hba->u.itl.iop->outbound_queue);
68 readl(&hba->u.itl.iop->outbound_intstatus);
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +080069 return 0;
70 }
71
72 return -1;
73}
74
HighPoint Linux Team00f59702007-12-13 16:14:26 -080075static int iop_wait_ready_mv(struct hptiop_hba *hba, u32 millisec)
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +080076{
HighPoint Linux Team00f59702007-12-13 16:14:26 -080077 return iop_send_sync_msg(hba, IOPMU_INBOUND_MSG0_NOP, millisec);
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +080078}
79
HighPoint Linux Team00f59702007-12-13 16:14:26 -080080static 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
89static void hptiop_drain_outbound_queue_itl(struct hptiop_hba *hba)
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +080090{
91 u32 req;
92
HighPoint Linux Team00f59702007-12-13 16:14:26 -080093 while ((req = readl(&hba->u.itl.iop->outbound_queue)) !=
94 IOPMU_QUEUE_EMPTY) {
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +080095
96 if (req & IOPMU_QUEUE_MASK_HOST_BITS)
HighPoint Linux Team00f59702007-12-13 16:14:26 -080097 hptiop_request_callback_itl(hba, req);
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +080098 else {
99 struct hpt_iop_request_header __iomem * p;
100
101 p = (struct hpt_iop_request_header __iomem *)
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800102 ((char __iomem *)hba->u.itl.iop + req);
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800103
104 if (readl(&p->flags) & IOP_REQUEST_FLAG_SYNC_REQUEST) {
105 if (readl(&p->context))
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800106 hptiop_request_callback_itl(hba, req);
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800107 else
108 writel(1, &p->context);
109 }
110 else
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800111 hptiop_request_callback_itl(hba, req);
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800112 }
113 }
114}
115
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800116static int iop_intr_itl(struct hptiop_hba *hba)
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800117{
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800118 struct hpt_iopmu_itl __iomem *iop = hba->u.itl.iop;
HighPoint Linux Team3bfc13c2009-09-11 17:21:27 +0800119 void __iomem *plx = hba->u.itl.plx;
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800120 u32 status;
121 int ret = 0;
122
HighPoint Linux Team3bfc13c2009-09-11 17:21:27 +0800123 if (plx && readl(plx + 0x11C5C) & 0xf)
124 writel(1, plx + 0x11C60);
125
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800126 status = readl(&iop->outbound_intstatus);
127
128 if (status & IOPMU_OUTBOUND_INT_MSG0) {
129 u32 msg = readl(&iop->outbound_msgaddr0);
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800130
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800131 dprintk("received outbound msg %x\n", msg);
132 writel(IOPMU_OUTBOUND_INT_MSG0, &iop->outbound_intstatus);
133 hptiop_message_callback(hba, msg);
134 ret = 1;
135 }
136
137 if (status & IOPMU_OUTBOUND_INT_POSTQUEUE) {
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800138 hptiop_drain_outbound_queue_itl(hba);
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800139 ret = 1;
140 }
141
142 return ret;
143}
144
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800145static u64 mv_outbound_read(struct hpt_iopmu_mv __iomem *mu)
146{
147 u32 outbound_tail = readl(&mu->outbound_tail);
148 u32 outbound_head = readl(&mu->outbound_head);
149
150 if (outbound_tail != outbound_head) {
151 u64 p;
152
153 memcpy_fromio(&p, &mu->outbound_q[mu->outbound_tail], 8);
154 outbound_tail++;
155
156 if (outbound_tail == MVIOP_QUEUE_LEN)
157 outbound_tail = 0;
158 writel(outbound_tail, &mu->outbound_tail);
159 return p;
160 } else
161 return 0;
162}
163
164static void mv_inbound_write(u64 p, struct hptiop_hba *hba)
165{
166 u32 inbound_head = readl(&hba->u.mv.mu->inbound_head);
167 u32 head = inbound_head + 1;
168
169 if (head == MVIOP_QUEUE_LEN)
170 head = 0;
171
172 memcpy_toio(&hba->u.mv.mu->inbound_q[inbound_head], &p, 8);
173 writel(head, &hba->u.mv.mu->inbound_head);
174 writel(MVIOP_MU_INBOUND_INT_POSTQUEUE,
175 &hba->u.mv.regs->inbound_doorbell);
176}
177
178static void hptiop_request_callback_mv(struct hptiop_hba *hba, u64 tag)
179{
180 u32 req_type = (tag >> 5) & 0x7;
181 struct hpt_iop_request_scsi_command *req;
182
183 dprintk("hptiop_request_callback_mv: tag=%llx\n", tag);
184
185 BUG_ON((tag & MVIOP_MU_QUEUE_REQUEST_RETURN_CONTEXT) == 0);
186
187 switch (req_type) {
188 case IOP_REQUEST_TYPE_GET_CONFIG:
189 case IOP_REQUEST_TYPE_SET_CONFIG:
190 hba->msg_done = 1;
191 break;
192
193 case IOP_REQUEST_TYPE_SCSI_COMMAND:
194 req = hba->reqs[tag >> 8].req_virt;
195 if (likely(tag & MVIOP_MU_QUEUE_REQUEST_RESULT_BIT))
196 req->header.result = cpu_to_le32(IOP_RESULT_SUCCESS);
197
198 hptiop_finish_scsi_req(hba, tag>>8, req);
199 break;
200
201 default:
202 break;
203 }
204}
205
206static int iop_intr_mv(struct hptiop_hba *hba)
207{
208 u32 status;
209 int ret = 0;
210
211 status = readl(&hba->u.mv.regs->outbound_doorbell);
212 writel(~status, &hba->u.mv.regs->outbound_doorbell);
213
214 if (status & MVIOP_MU_OUTBOUND_INT_MSG) {
215 u32 msg;
216 msg = readl(&hba->u.mv.mu->outbound_msg);
217 dprintk("received outbound msg %x\n", msg);
218 hptiop_message_callback(hba, msg);
219 ret = 1;
220 }
221
222 if (status & MVIOP_MU_OUTBOUND_INT_POSTQUEUE) {
223 u64 tag;
224
225 while ((tag = mv_outbound_read(hba->u.mv.mu)))
226 hptiop_request_callback_mv(hba, tag);
227 ret = 1;
228 }
229
230 return ret;
231}
232
233static int iop_send_sync_request_itl(struct hptiop_hba *hba,
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800234 void __iomem *_req, u32 millisec)
235{
236 struct hpt_iop_request_header __iomem *req = _req;
237 u32 i;
238
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800239 writel(readl(&req->flags) | IOP_REQUEST_FLAG_SYNC_REQUEST, &req->flags);
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800240 writel(0, &req->context);
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800241 writel((unsigned long)req - (unsigned long)hba->u.itl.iop,
242 &hba->u.itl.iop->inbound_queue);
243 readl(&hba->u.itl.iop->outbound_intstatus);
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800244
245 for (i = 0; i < millisec; i++) {
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800246 iop_intr_itl(hba);
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800247 if (readl(&req->context))
248 return 0;
249 msleep(1);
250 }
251
252 return -1;
253}
254
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800255static int iop_send_sync_request_mv(struct hptiop_hba *hba,
256 u32 size_bits, u32 millisec)
257{
258 struct hpt_iop_request_header *reqhdr = hba->u.mv.internal_req;
259 u32 i;
260
261 hba->msg_done = 0;
262 reqhdr->flags |= cpu_to_le32(IOP_REQUEST_FLAG_SYNC_REQUEST);
263 mv_inbound_write(hba->u.mv.internal_req_phy |
264 MVIOP_MU_QUEUE_ADDR_HOST_BIT | size_bits, hba);
265
266 for (i = 0; i < millisec; i++) {
267 iop_intr_mv(hba);
268 if (hba->msg_done)
269 return 0;
270 msleep(1);
271 }
272 return -1;
273}
274
275static void hptiop_post_msg_itl(struct hptiop_hba *hba, u32 msg)
276{
277 writel(msg, &hba->u.itl.iop->inbound_msgaddr0);
278 readl(&hba->u.itl.iop->outbound_intstatus);
279}
280
281static void hptiop_post_msg_mv(struct hptiop_hba *hba, u32 msg)
282{
283 writel(msg, &hba->u.mv.mu->inbound_msg);
284 writel(MVIOP_MU_INBOUND_INT_MSG, &hba->u.mv.regs->inbound_doorbell);
285 readl(&hba->u.mv.regs->inbound_doorbell);
286}
287
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800288static int iop_send_sync_msg(struct hptiop_hba *hba, u32 msg, u32 millisec)
289{
290 u32 i;
291
292 hba->msg_done = 0;
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800293 hba->ops->post_msg(hba, msg);
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800294
295 for (i = 0; i < millisec; i++) {
296 spin_lock_irq(hba->host->host_lock);
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800297 hba->ops->iop_intr(hba);
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800298 spin_unlock_irq(hba->host->host_lock);
299 if (hba->msg_done)
300 break;
301 msleep(1);
302 }
303
304 return hba->msg_done? 0 : -1;
305}
306
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800307static int iop_get_config_itl(struct hptiop_hba *hba,
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800308 struct hpt_iop_request_get_config *config)
309{
310 u32 req32;
311 struct hpt_iop_request_get_config __iomem *req;
312
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800313 req32 = readl(&hba->u.itl.iop->inbound_queue);
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800314 if (req32 == IOPMU_QUEUE_EMPTY)
315 return -1;
316
317 req = (struct hpt_iop_request_get_config __iomem *)
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800318 ((unsigned long)hba->u.itl.iop + req32);
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800319
320 writel(0, &req->header.flags);
321 writel(IOP_REQUEST_TYPE_GET_CONFIG, &req->header.type);
322 writel(sizeof(struct hpt_iop_request_get_config), &req->header.size);
323 writel(IOP_RESULT_PENDING, &req->header.result);
324
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800325 if (iop_send_sync_request_itl(hba, req, 20000)) {
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800326 dprintk("Get config send cmd failed\n");
327 return -1;
328 }
329
330 memcpy_fromio(config, req, sizeof(*config));
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800331 writel(req32, &hba->u.itl.iop->outbound_queue);
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800332 return 0;
333}
334
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800335static int iop_get_config_mv(struct hptiop_hba *hba,
336 struct hpt_iop_request_get_config *config)
337{
338 struct hpt_iop_request_get_config *req = hba->u.mv.internal_req;
339
340 req->header.flags = cpu_to_le32(IOP_REQUEST_FLAG_OUTPUT_CONTEXT);
341 req->header.type = cpu_to_le32(IOP_REQUEST_TYPE_GET_CONFIG);
342 req->header.size =
343 cpu_to_le32(sizeof(struct hpt_iop_request_get_config));
344 req->header.result = cpu_to_le32(IOP_RESULT_PENDING);
James Bottomleyf6b196a2008-03-30 12:36:26 -0500345 req->header.context = cpu_to_le32(IOP_REQUEST_TYPE_GET_CONFIG<<5);
346 req->header.context_hi32 = 0;
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800347
348 if (iop_send_sync_request_mv(hba, 0, 20000)) {
349 dprintk("Get config send cmd failed\n");
350 return -1;
351 }
352
353 memcpy(config, req, sizeof(struct hpt_iop_request_get_config));
354 return 0;
355}
356
357static int iop_set_config_itl(struct hptiop_hba *hba,
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800358 struct hpt_iop_request_set_config *config)
359{
360 u32 req32;
361 struct hpt_iop_request_set_config __iomem *req;
362
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800363 req32 = readl(&hba->u.itl.iop->inbound_queue);
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800364 if (req32 == IOPMU_QUEUE_EMPTY)
365 return -1;
366
367 req = (struct hpt_iop_request_set_config __iomem *)
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800368 ((unsigned long)hba->u.itl.iop + req32);
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800369
370 memcpy_toio((u8 __iomem *)req + sizeof(struct hpt_iop_request_header),
371 (u8 *)config + sizeof(struct hpt_iop_request_header),
372 sizeof(struct hpt_iop_request_set_config) -
373 sizeof(struct hpt_iop_request_header));
374
375 writel(0, &req->header.flags);
376 writel(IOP_REQUEST_TYPE_SET_CONFIG, &req->header.type);
377 writel(sizeof(struct hpt_iop_request_set_config), &req->header.size);
378 writel(IOP_RESULT_PENDING, &req->header.result);
379
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800380 if (iop_send_sync_request_itl(hba, req, 20000)) {
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800381 dprintk("Set config send cmd failed\n");
382 return -1;
383 }
384
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800385 writel(req32, &hba->u.itl.iop->outbound_queue);
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800386 return 0;
387}
388
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800389static int iop_set_config_mv(struct hptiop_hba *hba,
390 struct hpt_iop_request_set_config *config)
391{
392 struct hpt_iop_request_set_config *req = hba->u.mv.internal_req;
393
394 memcpy(req, config, sizeof(struct hpt_iop_request_set_config));
395 req->header.flags = cpu_to_le32(IOP_REQUEST_FLAG_OUTPUT_CONTEXT);
396 req->header.type = cpu_to_le32(IOP_REQUEST_TYPE_SET_CONFIG);
397 req->header.size =
398 cpu_to_le32(sizeof(struct hpt_iop_request_set_config));
399 req->header.result = cpu_to_le32(IOP_RESULT_PENDING);
James Bottomleyf6b196a2008-03-30 12:36:26 -0500400 req->header.context = cpu_to_le32(IOP_REQUEST_TYPE_SET_CONFIG<<5);
401 req->header.context_hi32 = 0;
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800402
403 if (iop_send_sync_request_mv(hba, 0, 20000)) {
404 dprintk("Set config send cmd failed\n");
405 return -1;
406 }
407
408 return 0;
409}
410
411static void hptiop_enable_intr_itl(struct hptiop_hba *hba)
412{
413 writel(~(IOPMU_OUTBOUND_INT_POSTQUEUE | IOPMU_OUTBOUND_INT_MSG0),
414 &hba->u.itl.iop->outbound_intmask);
415}
416
417static void hptiop_enable_intr_mv(struct hptiop_hba *hba)
418{
419 writel(MVIOP_MU_OUTBOUND_INT_POSTQUEUE | MVIOP_MU_OUTBOUND_INT_MSG,
420 &hba->u.mv.regs->outbound_intmask);
421}
422
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800423static int hptiop_initialize_iop(struct hptiop_hba *hba)
424{
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800425 /* enable interrupts */
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800426 hba->ops->enable_intr(hba);
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800427
428 hba->initialized = 1;
429
430 /* start background tasks */
431 if (iop_send_sync_msg(hba,
432 IOPMU_INBOUND_MSG0_START_BACKGROUND_TASK, 5000)) {
433 printk(KERN_ERR "scsi%d: fail to start background task\n",
434 hba->host->host_no);
435 return -1;
436 }
437 return 0;
438}
439
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800440static void __iomem *hptiop_map_pci_bar(struct hptiop_hba *hba, int index)
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800441{
442 u32 mem_base_phy, length;
443 void __iomem *mem_base_virt;
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800444
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800445 struct pci_dev *pcidev = hba->pcidev;
446
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800447
448 if (!(pci_resource_flags(pcidev, index) & IORESOURCE_MEM)) {
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800449 printk(KERN_ERR "scsi%d: pci resource invalid\n",
450 hba->host->host_no);
Harvey Harrison9bcf0912008-05-22 15:45:07 -0700451 return NULL;
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800452 }
453
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800454 mem_base_phy = pci_resource_start(pcidev, index);
455 length = pci_resource_len(pcidev, index);
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800456 mem_base_virt = ioremap(mem_base_phy, length);
457
458 if (!mem_base_virt) {
459 printk(KERN_ERR "scsi%d: Fail to ioremap memory space\n",
460 hba->host->host_no);
Harvey Harrison9bcf0912008-05-22 15:45:07 -0700461 return NULL;
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800462 }
463 return mem_base_virt;
464}
465
466static int hptiop_map_pci_bar_itl(struct hptiop_hba *hba)
467{
HighPoint Linux Team3bfc13c2009-09-11 17:21:27 +0800468 struct pci_dev *pcidev = hba->pcidev;
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800469 hba->u.itl.iop = hptiop_map_pci_bar(hba, 0);
HighPoint Linux Team3bfc13c2009-09-11 17:21:27 +0800470 if (hba->u.itl.iop == NULL)
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800471 return -1;
HighPoint Linux Team3bfc13c2009-09-11 17:21:27 +0800472 if ((pcidev->device & 0xff00) == 0x4400) {
473 hba->u.itl.plx = hba->u.itl.iop;
474 hba->u.itl.iop = hptiop_map_pci_bar(hba, 2);
475 if (hba->u.itl.iop == NULL) {
476 iounmap(hba->u.itl.plx);
477 return -1;
478 }
479 }
480 return 0;
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800481}
482
483static void hptiop_unmap_pci_bar_itl(struct hptiop_hba *hba)
484{
HighPoint Linux Team3bfc13c2009-09-11 17:21:27 +0800485 if (hba->u.itl.plx)
486 iounmap(hba->u.itl.plx);
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800487 iounmap(hba->u.itl.iop);
488}
489
490static int hptiop_map_pci_bar_mv(struct hptiop_hba *hba)
491{
492 hba->u.mv.regs = hptiop_map_pci_bar(hba, 0);
Harvey Harrison9bcf0912008-05-22 15:45:07 -0700493 if (hba->u.mv.regs == NULL)
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800494 return -1;
495
496 hba->u.mv.mu = hptiop_map_pci_bar(hba, 2);
Harvey Harrison9bcf0912008-05-22 15:45:07 -0700497 if (hba->u.mv.mu == NULL) {
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800498 iounmap(hba->u.mv.regs);
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800499 return -1;
500 }
501
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800502 return 0;
503}
504
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800505static void hptiop_unmap_pci_bar_mv(struct hptiop_hba *hba)
506{
507 iounmap(hba->u.mv.regs);
508 iounmap(hba->u.mv.mu);
509}
510
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800511static void hptiop_message_callback(struct hptiop_hba *hba, u32 msg)
512{
513 dprintk("iop message 0x%x\n", msg);
514
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800515 if (msg == IOPMU_INBOUND_MSG0_NOP)
516 hba->msg_done = 1;
517
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800518 if (!hba->initialized)
519 return;
520
521 if (msg == IOPMU_INBOUND_MSG0_RESET) {
522 atomic_set(&hba->resetting, 0);
523 wake_up(&hba->reset_wq);
524 }
525 else if (msg <= IOPMU_INBOUND_MSG0_MAX)
526 hba->msg_done = 1;
527}
528
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800529static struct hptiop_request *get_req(struct hptiop_hba *hba)
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800530{
531 struct hptiop_request *ret;
532
533 dprintk("get_req : req=%p\n", hba->req_list);
534
535 ret = hba->req_list;
536 if (ret)
537 hba->req_list = ret->next;
538
539 return ret;
540}
541
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800542static void free_req(struct hptiop_hba *hba, struct hptiop_request *req)
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800543{
544 dprintk("free_req(%d, %p)\n", req->index, req);
545 req->next = hba->req_list;
546 hba->req_list = req;
547}
548
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800549static void hptiop_finish_scsi_req(struct hptiop_hba *hba, u32 tag,
550 struct hpt_iop_request_scsi_command *req)
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800551{
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800552 struct scsi_cmnd *scp;
553
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800554 dprintk("hptiop_finish_scsi_req: req=%p, type=%d, "
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800555 "result=%d, context=0x%x tag=%d\n",
556 req, req->header.type, req->header.result,
557 req->header.context, tag);
558
559 BUG_ON(!req->header.result);
560 BUG_ON(req->header.type != cpu_to_le32(IOP_REQUEST_TYPE_SCSI_COMMAND));
561
562 scp = hba->reqs[tag].scp;
563
FUJITA Tomonorif9875492007-05-14 20:25:31 +0900564 if (HPT_SCP(scp)->mapped)
565 scsi_dma_unmap(scp);
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800566
567 switch (le32_to_cpu(req->header.result)) {
568 case IOP_RESULT_SUCCESS:
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800569 scsi_set_resid(scp,
570 scsi_bufflen(scp) - le32_to_cpu(req->dataxfer_length));
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800571 scp->result = (DID_OK<<16);
572 break;
573 case IOP_RESULT_BAD_TARGET:
574 scp->result = (DID_BAD_TARGET<<16);
575 break;
576 case IOP_RESULT_BUSY:
577 scp->result = (DID_BUS_BUSY<<16);
578 break;
579 case IOP_RESULT_RESET:
580 scp->result = (DID_RESET<<16);
581 break;
582 case IOP_RESULT_FAIL:
583 scp->result = (DID_ERROR<<16);
584 break;
585 case IOP_RESULT_INVALID_REQUEST:
586 scp->result = (DID_ABORT<<16);
587 break;
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800588 case IOP_RESULT_CHECK_CONDITION:
589 scsi_set_resid(scp,
590 scsi_bufflen(scp) - le32_to_cpu(req->dataxfer_length));
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800591 scp->result = SAM_STAT_CHECK_CONDITION;
FUJITA Tomonoric372f4a2008-01-27 10:22:26 +0900592 memcpy(scp->sense_buffer, &req->sg_list,
FUJITA Tomonorib80ca4f2008-01-13 15:46:13 +0900593 min_t(size_t, SCSI_SENSE_BUFFERSIZE,
HighPoint Linux Team0fec02c2007-10-15 14:42:52 +0800594 le32_to_cpu(req->dataxfer_length)));
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800595 break;
596
597 default:
Martin K. Petersen1c9fbaf2009-01-04 03:14:11 -0500598 scp->result = DRIVER_INVALID << 24 | DID_ABORT << 16;
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800599 break;
600 }
601
602 dprintk("scsi_done(%p)\n", scp);
603 scp->scsi_done(scp);
604 free_req(hba, &hba->reqs[tag]);
605}
606
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800607static void hptiop_host_request_callback_itl(struct hptiop_hba *hba, u32 _tag)
608{
609 struct hpt_iop_request_scsi_command *req;
610 u32 tag;
611
612 if (hba->iopintf_v2) {
613 tag = _tag & ~IOPMU_QUEUE_REQUEST_RESULT_BIT;
614 req = hba->reqs[tag].req_virt;
615 if (likely(_tag & IOPMU_QUEUE_REQUEST_RESULT_BIT))
616 req->header.result = cpu_to_le32(IOP_RESULT_SUCCESS);
617 } else {
618 tag = _tag;
619 req = hba->reqs[tag].req_virt;
620 }
621
622 hptiop_finish_scsi_req(hba, tag, req);
623}
624
625void hptiop_iop_request_callback_itl(struct hptiop_hba *hba, u32 tag)
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800626{
627 struct hpt_iop_request_header __iomem *req;
628 struct hpt_iop_request_ioctl_command __iomem *p;
629 struct hpt_ioctl_k *arg;
630
631 req = (struct hpt_iop_request_header __iomem *)
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800632 ((unsigned long)hba->u.itl.iop + tag);
633 dprintk("hptiop_iop_request_callback_itl: req=%p, type=%d, "
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800634 "result=%d, context=0x%x tag=%d\n",
635 req, readl(&req->type), readl(&req->result),
636 readl(&req->context), tag);
637
638 BUG_ON(!readl(&req->result));
639 BUG_ON(readl(&req->type) != IOP_REQUEST_TYPE_IOCTL_COMMAND);
640
641 p = (struct hpt_iop_request_ioctl_command __iomem *)req;
642 arg = (struct hpt_ioctl_k *)(unsigned long)
643 (readl(&req->context) |
644 ((u64)readl(&req->context_hi32)<<32));
645
646 if (readl(&req->result) == IOP_RESULT_SUCCESS) {
647 arg->result = HPT_IOCTL_RESULT_OK;
648
649 if (arg->outbuf_size)
650 memcpy_fromio(arg->outbuf,
651 &p->buf[(readl(&p->inbuf_size) + 3)& ~3],
652 arg->outbuf_size);
653
654 if (arg->bytes_returned)
655 *arg->bytes_returned = arg->outbuf_size;
656 }
657 else
658 arg->result = HPT_IOCTL_RESULT_FAILED;
659
660 arg->done(arg);
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800661 writel(tag, &hba->u.itl.iop->outbound_queue);
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800662}
663
David Howells7d12e782006-10-05 14:55:46 +0100664static irqreturn_t hptiop_intr(int irq, void *dev_id)
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800665{
666 struct hptiop_hba *hba = dev_id;
667 int handled;
668 unsigned long flags;
669
670 spin_lock_irqsave(hba->host->host_lock, flags);
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800671 handled = hba->ops->iop_intr(hba);
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800672 spin_unlock_irqrestore(hba->host->host_lock, flags);
673
674 return handled;
675}
676
677static int hptiop_buildsgl(struct scsi_cmnd *scp, struct hpt_iopsg *psg)
678{
679 struct Scsi_Host *host = scp->device->host;
680 struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
FUJITA Tomonorif9875492007-05-14 20:25:31 +0900681 struct scatterlist *sg;
682 int idx, nseg;
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800683
FUJITA Tomonorif9875492007-05-14 20:25:31 +0900684 nseg = scsi_dma_map(scp);
685 BUG_ON(nseg < 0);
686 if (!nseg)
687 return 0;
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800688
FUJITA Tomonorif9875492007-05-14 20:25:31 +0900689 HPT_SCP(scp)->sgcnt = nseg;
690 HPT_SCP(scp)->mapped = 1;
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800691
FUJITA Tomonorif9875492007-05-14 20:25:31 +0900692 BUG_ON(HPT_SCP(scp)->sgcnt > hba->max_sg_descriptors);
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800693
FUJITA Tomonorif9875492007-05-14 20:25:31 +0900694 scsi_for_each_sg(scp, sg, HPT_SCP(scp)->sgcnt, idx) {
695 psg[idx].pci_address = cpu_to_le64(sg_dma_address(sg));
696 psg[idx].size = cpu_to_le32(sg_dma_len(sg));
697 psg[idx].eot = (idx == HPT_SCP(scp)->sgcnt - 1) ?
698 cpu_to_le32(1) : 0;
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800699 }
FUJITA Tomonorif9875492007-05-14 20:25:31 +0900700 return HPT_SCP(scp)->sgcnt;
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800701}
702
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800703static void hptiop_post_req_itl(struct hptiop_hba *hba,
704 struct hptiop_request *_req)
705{
706 struct hpt_iop_request_header *reqhdr = _req->req_virt;
707
708 reqhdr->context = cpu_to_le32(IOPMU_QUEUE_ADDR_HOST_BIT |
709 (u32)_req->index);
710 reqhdr->context_hi32 = 0;
711
712 if (hba->iopintf_v2) {
713 u32 size, size_bits;
714
715 size = le32_to_cpu(reqhdr->size);
716 if (size < 256)
717 size_bits = IOPMU_QUEUE_REQUEST_SIZE_BIT;
718 else if (size < 512)
719 size_bits = IOPMU_QUEUE_ADDR_HOST_BIT;
720 else
721 size_bits = IOPMU_QUEUE_REQUEST_SIZE_BIT |
722 IOPMU_QUEUE_ADDR_HOST_BIT;
723 writel(_req->req_shifted_phy | size_bits,
724 &hba->u.itl.iop->inbound_queue);
725 } else
726 writel(_req->req_shifted_phy | IOPMU_QUEUE_ADDR_HOST_BIT,
727 &hba->u.itl.iop->inbound_queue);
728}
729
730static void hptiop_post_req_mv(struct hptiop_hba *hba,
731 struct hptiop_request *_req)
732{
733 struct hpt_iop_request_header *reqhdr = _req->req_virt;
734 u32 size, size_bit;
735
736 reqhdr->context = cpu_to_le32(_req->index<<8 |
737 IOP_REQUEST_TYPE_SCSI_COMMAND<<5);
738 reqhdr->context_hi32 = 0;
739 size = le32_to_cpu(reqhdr->size);
740
741 if (size <= 256)
742 size_bit = 0;
743 else if (size <= 256*2)
744 size_bit = 1;
745 else if (size <= 256*3)
746 size_bit = 2;
747 else
748 size_bit = 3;
749
750 mv_inbound_write((_req->req_shifted_phy << 5) |
751 MVIOP_MU_QUEUE_ADDR_HOST_BIT | size_bit, hba);
752}
753
Jeff Garzikf2812332010-11-16 02:10:29 -0500754static int hptiop_queuecommand_lck(struct scsi_cmnd *scp,
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800755 void (*done)(struct scsi_cmnd *))
756{
757 struct Scsi_Host *host = scp->device->host;
758 struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
759 struct hpt_iop_request_scsi_command *req;
760 int sg_count = 0;
761 struct hptiop_request *_req;
762
763 BUG_ON(!done);
764 scp->scsi_done = done;
765
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800766 _req = get_req(hba);
767 if (_req == NULL) {
768 dprintk("hptiop_queuecmd : no free req\n");
HighPoint Linux Team4f2ddba2006-06-14 16:50:57 +0800769 return SCSI_MLQUEUE_HOST_BUSY;
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800770 }
771
772 _req->scp = scp;
773
774 dprintk("hptiop_queuecmd(scp=%p) %d/%d/%d/%d cdb=(%x-%x-%x) "
775 "req_index=%d, req=%p\n",
776 scp,
777 host->host_no, scp->device->channel,
778 scp->device->id, scp->device->lun,
Boaz Harrosh64a87b22008-04-30 11:19:47 +0300779 ((u32 *)scp->cmnd)[0],
780 ((u32 *)scp->cmnd)[1],
781 ((u32 *)scp->cmnd)[2],
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800782 _req->index, _req->req_virt);
783
784 scp->result = 0;
785
786 if (scp->device->channel || scp->device->lun ||
787 scp->device->id > hba->max_devices) {
788 scp->result = DID_BAD_TARGET << 16;
789 free_req(hba, _req);
790 goto cmd_done;
791 }
792
HighPoint Linux Teamdb9b6e82007-08-30 18:06:21 +0800793 req = _req->req_virt;
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800794
795 /* build S/G table */
FUJITA Tomonorif9875492007-05-14 20:25:31 +0900796 sg_count = hptiop_buildsgl(scp, req->sg_list);
797 if (!sg_count)
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800798 HPT_SCP(scp)->mapped = 0;
799
800 req->header.flags = cpu_to_le32(IOP_REQUEST_FLAG_OUTPUT_CONTEXT);
801 req->header.type = cpu_to_le32(IOP_REQUEST_TYPE_SCSI_COMMAND);
802 req->header.result = cpu_to_le32(IOP_RESULT_PENDING);
FUJITA Tomonorif9875492007-05-14 20:25:31 +0900803 req->dataxfer_length = cpu_to_le32(scsi_bufflen(scp));
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800804 req->channel = scp->device->channel;
805 req->target = scp->device->id;
806 req->lun = scp->device->lun;
807 req->header.size = cpu_to_le32(
808 sizeof(struct hpt_iop_request_scsi_command)
809 - sizeof(struct hpt_iopsg)
810 + sg_count * sizeof(struct hpt_iopsg));
811
812 memcpy(req->cdb, scp->cmnd, sizeof(req->cdb));
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800813 hba->ops->post_req(hba, _req);
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800814 return 0;
815
816cmd_done:
817 dprintk("scsi_done(scp=%p)\n", scp);
818 scp->scsi_done(scp);
819 return 0;
820}
821
Jeff Garzikf2812332010-11-16 02:10:29 -0500822static DEF_SCSI_QCMD(hptiop_queuecommand)
823
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800824static const char *hptiop_info(struct Scsi_Host *host)
825{
826 return driver_name_long;
827}
828
829static int hptiop_reset_hba(struct hptiop_hba *hba)
830{
831 if (atomic_xchg(&hba->resetting, 1) == 0) {
832 atomic_inc(&hba->reset_count);
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800833 hba->ops->post_msg(hba, IOPMU_INBOUND_MSG0_RESET);
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800834 }
835
836 wait_event_timeout(hba->reset_wq,
837 atomic_read(&hba->resetting) == 0, 60 * HZ);
838
839 if (atomic_read(&hba->resetting)) {
André Goddard Rosaaf901ca2009-11-14 13:09:05 -0200840 /* IOP is in unknown state, abort reset */
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800841 printk(KERN_ERR "scsi%d: reset failed\n", hba->host->host_no);
842 return -1;
843 }
844
845 if (iop_send_sync_msg(hba,
846 IOPMU_INBOUND_MSG0_START_BACKGROUND_TASK, 5000)) {
847 dprintk("scsi%d: fail to start background task\n",
848 hba->host->host_no);
849 }
850
851 return 0;
852}
853
854static int hptiop_reset(struct scsi_cmnd *scp)
855{
856 struct Scsi_Host * host = scp->device->host;
857 struct hptiop_hba * hba = (struct hptiop_hba *)host->hostdata;
858
859 printk(KERN_WARNING "hptiop_reset(%d/%d/%d) scp=%p\n",
860 scp->device->host->host_no, scp->device->channel,
861 scp->device->id, scp);
862
863 return hptiop_reset_hba(hba)? FAILED : SUCCESS;
864}
865
866static int hptiop_adjust_disk_queue_depth(struct scsi_device *sdev,
Mike Christiee881a172009-10-15 17:46:39 -0700867 int queue_depth, int reason)
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800868{
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800869 struct hptiop_hba *hba = (struct hptiop_hba *)sdev->host->hostdata;
870
Mike Christiee881a172009-10-15 17:46:39 -0700871 if (reason != SCSI_QDEPTH_DEFAULT)
872 return -EOPNOTSUPP;
873
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800874 if (queue_depth > hba->max_requests)
875 queue_depth = hba->max_requests;
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800876 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, queue_depth);
877 return queue_depth;
878}
879
Tony Jonesee959b02008-02-22 00:13:36 +0100880static ssize_t hptiop_show_version(struct device *dev,
881 struct device_attribute *attr, char *buf)
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800882{
883 return snprintf(buf, PAGE_SIZE, "%s\n", driver_ver);
884}
885
Tony Jonesee959b02008-02-22 00:13:36 +0100886static ssize_t hptiop_show_fw_version(struct device *dev,
887 struct device_attribute *attr, char *buf)
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800888{
Tony Jonesee959b02008-02-22 00:13:36 +0100889 struct Scsi_Host *host = class_to_shost(dev);
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800890 struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
891
892 return snprintf(buf, PAGE_SIZE, "%d.%d.%d.%d\n",
893 hba->firmware_version >> 24,
894 (hba->firmware_version >> 16) & 0xff,
895 (hba->firmware_version >> 8) & 0xff,
896 hba->firmware_version & 0xff);
897}
898
Tony Jonesee959b02008-02-22 00:13:36 +0100899static struct device_attribute hptiop_attr_version = {
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800900 .attr = {
901 .name = "driver-version",
902 .mode = S_IRUGO,
903 },
904 .show = hptiop_show_version,
905};
906
Tony Jonesee959b02008-02-22 00:13:36 +0100907static struct device_attribute hptiop_attr_fw_version = {
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800908 .attr = {
909 .name = "firmware-version",
910 .mode = S_IRUGO,
911 },
912 .show = hptiop_show_fw_version,
913};
914
Tony Jonesee959b02008-02-22 00:13:36 +0100915static struct device_attribute *hptiop_attrs[] = {
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800916 &hptiop_attr_version,
917 &hptiop_attr_fw_version,
918 NULL
919};
920
921static struct scsi_host_template driver_template = {
922 .module = THIS_MODULE,
923 .name = driver_name,
924 .queuecommand = hptiop_queuecommand,
925 .eh_device_reset_handler = hptiop_reset,
926 .eh_bus_reset_handler = hptiop_reset,
927 .info = hptiop_info,
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800928 .emulated = 0,
929 .use_clustering = ENABLE_CLUSTERING,
930 .proc_name = driver_name,
931 .shost_attrs = hptiop_attrs,
932 .this_id = -1,
933 .change_queue_depth = hptiop_adjust_disk_queue_depth,
934};
935
HighPoint Linux Team00f59702007-12-13 16:14:26 -0800936static int hptiop_internal_memalloc_mv(struct hptiop_hba *hba)
937{
938 hba->u.mv.internal_req = dma_alloc_coherent(&hba->pcidev->dev,
939 0x800, &hba->u.mv.internal_req_phy, GFP_KERNEL);
940 if (hba->u.mv.internal_req)
941 return 0;
942 else
943 return -1;
944}
945
946static int hptiop_internal_memfree_mv(struct hptiop_hba *hba)
947{
948 if (hba->u.mv.internal_req) {
949 dma_free_coherent(&hba->pcidev->dev, 0x800,
950 hba->u.mv.internal_req, hba->u.mv.internal_req_phy);
951 return 0;
952 } else
953 return -1;
954}
955
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800956static int __devinit hptiop_probe(struct pci_dev *pcidev,
957 const struct pci_device_id *id)
958{
959 struct Scsi_Host *host = NULL;
960 struct hptiop_hba *hba;
HighPoint Linux Team23f0bb42012-06-14 08:47:07 +0100961 struct hptiop_adapter_ops *iop_ops;
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800962 struct hpt_iop_request_get_config iop_config;
963 struct hpt_iop_request_set_config set_config;
964 dma_addr_t start_phy;
965 void *start_virt;
966 u32 offset, i, req_size;
967
968 dprintk("hptiop_probe(%p)\n", pcidev);
969
970 if (pci_enable_device(pcidev)) {
971 printk(KERN_ERR "hptiop: fail to enable pci device\n");
972 return -ENODEV;
973 }
974
975 printk(KERN_INFO "adapter at PCI %d:%d:%d, IRQ %d\n",
976 pcidev->bus->number, pcidev->devfn >> 3, pcidev->devfn & 7,
977 pcidev->irq);
978
979 pci_set_master(pcidev);
980
981 /* Enable 64bit DMA if possible */
HighPoint Linux Team23f0bb42012-06-14 08:47:07 +0100982 iop_ops = (struct hptiop_adapter_ops *)id->driver_data;
983 if (pci_set_dma_mask(pcidev, DMA_BIT_MASK(iop_ops->hw_dma_bit_mask))) {
Yang Hongyang284901a2009-04-06 19:01:15 -0700984 if (pci_set_dma_mask(pcidev, DMA_BIT_MASK(32))) {
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +0800985 printk(KERN_ERR "hptiop: fail to set dma_mask\n");
986 goto disable_pci_device;
987 }
988 }
989
990 if (pci_request_regions(pcidev, driver_name)) {
991 printk(KERN_ERR "hptiop: pci_request_regions failed\n");
992 goto disable_pci_device;
993 }
994
995 host = scsi_host_alloc(&driver_template, sizeof(struct hptiop_hba));
996 if (!host) {
997 printk(KERN_ERR "hptiop: fail to alloc scsi host\n");
998 goto free_pci_regions;
999 }
1000
1001 hba = (struct hptiop_hba *)host->hostdata;
1002
HighPoint Linux Team23f0bb42012-06-14 08:47:07 +01001003 hba->ops = iop_ops;
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +08001004 hba->pcidev = pcidev;
1005 hba->host = host;
1006 hba->initialized = 0;
HighPoint Linux Teamdb9b6e82007-08-30 18:06:21 +08001007 hba->iopintf_v2 = 0;
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +08001008
1009 atomic_set(&hba->resetting, 0);
1010 atomic_set(&hba->reset_count, 0);
1011
1012 init_waitqueue_head(&hba->reset_wq);
1013 init_waitqueue_head(&hba->ioctl_wq);
1014
1015 host->max_lun = 1;
1016 host->max_channel = 0;
1017 host->io_port = 0;
1018 host->n_io_port = 0;
1019 host->irq = pcidev->irq;
1020
HighPoint Linux Team00f59702007-12-13 16:14:26 -08001021 if (hba->ops->map_pci_bar(hba))
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +08001022 goto free_scsi_host;
1023
HighPoint Linux Team00f59702007-12-13 16:14:26 -08001024 if (hba->ops->iop_wait_ready(hba, 20000)) {
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +08001025 printk(KERN_ERR "scsi%d: firmware not ready\n",
1026 hba->host->host_no);
1027 goto unmap_pci_bar;
1028 }
1029
HighPoint Linux Team00f59702007-12-13 16:14:26 -08001030 if (hba->ops->internal_memalloc) {
1031 if (hba->ops->internal_memalloc(hba)) {
1032 printk(KERN_ERR "scsi%d: internal_memalloc failed\n",
1033 hba->host->host_no);
1034 goto unmap_pci_bar;
1035 }
1036 }
1037
1038 if (hba->ops->get_config(hba, &iop_config)) {
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +08001039 printk(KERN_ERR "scsi%d: get config failed\n",
1040 hba->host->host_no);
1041 goto unmap_pci_bar;
1042 }
1043
1044 hba->max_requests = min(le32_to_cpu(iop_config.max_requests),
1045 HPTIOP_MAX_REQUESTS);
1046 hba->max_devices = le32_to_cpu(iop_config.max_devices);
1047 hba->max_request_size = le32_to_cpu(iop_config.request_size);
1048 hba->max_sg_descriptors = le32_to_cpu(iop_config.max_sg_count);
1049 hba->firmware_version = le32_to_cpu(iop_config.firmware_version);
HighPoint Linux Teamdb9b6e82007-08-30 18:06:21 +08001050 hba->interface_version = le32_to_cpu(iop_config.interface_version);
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +08001051 hba->sdram_size = le32_to_cpu(iop_config.sdram_size);
1052
HighPoint Linux Teamdb9b6e82007-08-30 18:06:21 +08001053 if (hba->firmware_version > 0x01020000 ||
1054 hba->interface_version > 0x01020000)
1055 hba->iopintf_v2 = 1;
1056
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +08001057 host->max_sectors = le32_to_cpu(iop_config.data_transfer_length) >> 9;
1058 host->max_id = le32_to_cpu(iop_config.max_devices);
1059 host->sg_tablesize = le32_to_cpu(iop_config.max_sg_count);
1060 host->can_queue = le32_to_cpu(iop_config.max_requests);
1061 host->cmd_per_lun = le32_to_cpu(iop_config.max_requests);
1062 host->max_cmd_len = 16;
1063
HighPoint Linux Teamdb9b6e82007-08-30 18:06:21 +08001064 req_size = sizeof(struct hpt_iop_request_scsi_command)
1065 + sizeof(struct hpt_iopsg) * (hba->max_sg_descriptors - 1);
1066 if ((req_size & 0x1f) != 0)
1067 req_size = (req_size + 0x1f) & ~0x1f;
1068
1069 memset(&set_config, 0, sizeof(struct hpt_iop_request_set_config));
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +08001070 set_config.iop_id = cpu_to_le32(host->host_no);
HighPoint Linux Teamdb9b6e82007-08-30 18:06:21 +08001071 set_config.vbus_id = cpu_to_le16(host->host_no);
1072 set_config.max_host_request_size = cpu_to_le16(req_size);
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +08001073
HighPoint Linux Team00f59702007-12-13 16:14:26 -08001074 if (hba->ops->set_config(hba, &set_config)) {
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +08001075 printk(KERN_ERR "scsi%d: set config failed\n",
1076 hba->host->host_no);
1077 goto unmap_pci_bar;
1078 }
1079
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +08001080 pci_set_drvdata(pcidev, host);
1081
Thomas Gleixner1d6f3592006-07-01 19:29:42 -07001082 if (request_irq(pcidev->irq, hptiop_intr, IRQF_SHARED,
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +08001083 driver_name, hba)) {
1084 printk(KERN_ERR "scsi%d: request irq %d failed\n",
1085 hba->host->host_no, pcidev->irq);
Christoph Hellwig3e740512006-07-30 19:13:36 +02001086 goto unmap_pci_bar;
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +08001087 }
1088
1089 /* Allocate request mem */
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +08001090
1091 dprintk("req_size=%d, max_requests=%d\n", req_size, hba->max_requests);
1092
1093 hba->req_size = req_size;
1094 start_virt = dma_alloc_coherent(&pcidev->dev,
1095 hba->req_size*hba->max_requests + 0x20,
1096 &start_phy, GFP_KERNEL);
1097
1098 if (!start_virt) {
1099 printk(KERN_ERR "scsi%d: fail to alloc request mem\n",
1100 hba->host->host_no);
1101 goto free_request_irq;
1102 }
1103
1104 hba->dma_coherent = start_virt;
1105 hba->dma_coherent_handle = start_phy;
1106
1107 if ((start_phy & 0x1f) != 0)
1108 {
1109 offset = ((start_phy + 0x1f) & ~0x1f) - start_phy;
1110 start_phy += offset;
1111 start_virt += offset;
1112 }
1113
1114 hba->req_list = start_virt;
1115 for (i = 0; i < hba->max_requests; i++) {
1116 hba->reqs[i].next = NULL;
1117 hba->reqs[i].req_virt = start_virt;
1118 hba->reqs[i].req_shifted_phy = start_phy >> 5;
1119 hba->reqs[i].index = i;
1120 free_req(hba, &hba->reqs[i]);
1121 start_virt = (char *)start_virt + hba->req_size;
1122 start_phy = start_phy + hba->req_size;
1123 }
1124
1125 /* Enable Interrupt and start background task */
1126 if (hptiop_initialize_iop(hba))
1127 goto free_request_mem;
1128
Christoph Hellwig3e740512006-07-30 19:13:36 +02001129 if (scsi_add_host(host, &pcidev->dev)) {
1130 printk(KERN_ERR "scsi%d: scsi_add_host failed\n",
1131 hba->host->host_no);
1132 goto free_request_mem;
1133 }
1134
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +08001135
1136 scsi_scan_host(host);
1137
1138 dprintk("scsi%d: hptiop_probe successfully\n", hba->host->host_no);
1139 return 0;
1140
1141free_request_mem:
1142 dma_free_coherent(&hba->pcidev->dev,
HighPoint Linux Team00f59702007-12-13 16:14:26 -08001143 hba->req_size * hba->max_requests + 0x20,
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +08001144 hba->dma_coherent, hba->dma_coherent_handle);
1145
1146free_request_irq:
1147 free_irq(hba->pcidev->irq, hba);
1148
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +08001149unmap_pci_bar:
HighPoint Linux Team00f59702007-12-13 16:14:26 -08001150 if (hba->ops->internal_memfree)
1151 hba->ops->internal_memfree(hba);
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +08001152
HighPoint Linux Team00f59702007-12-13 16:14:26 -08001153 hba->ops->unmap_pci_bar(hba);
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +08001154
1155free_scsi_host:
1156 scsi_host_put(host);
1157
HighPoint Linux Team00f59702007-12-13 16:14:26 -08001158free_pci_regions:
1159 pci_release_regions(pcidev);
1160
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +08001161disable_pci_device:
1162 pci_disable_device(pcidev);
1163
Julia Lawall1db90ea2010-05-27 14:33:47 +02001164 dprintk("scsi%d: hptiop_probe fail\n", host ? host->host_no : 0);
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +08001165 return -ENODEV;
1166}
1167
1168static void hptiop_shutdown(struct pci_dev *pcidev)
1169{
1170 struct Scsi_Host *host = pci_get_drvdata(pcidev);
1171 struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +08001172
1173 dprintk("hptiop_shutdown(%p)\n", hba);
1174
1175 /* stop the iop */
1176 if (iop_send_sync_msg(hba, IOPMU_INBOUND_MSG0_SHUTDOWN, 60000))
1177 printk(KERN_ERR "scsi%d: shutdown the iop timeout\n",
1178 hba->host->host_no);
1179
1180 /* disable all outbound interrupts */
HighPoint Linux Team00f59702007-12-13 16:14:26 -08001181 hba->ops->disable_intr(hba);
1182}
1183
1184static void hptiop_disable_intr_itl(struct hptiop_hba *hba)
1185{
1186 u32 int_mask;
1187
1188 int_mask = readl(&hba->u.itl.iop->outbound_intmask);
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +08001189 writel(int_mask |
1190 IOPMU_OUTBOUND_INT_MSG0 | IOPMU_OUTBOUND_INT_POSTQUEUE,
HighPoint Linux Team00f59702007-12-13 16:14:26 -08001191 &hba->u.itl.iop->outbound_intmask);
1192 readl(&hba->u.itl.iop->outbound_intmask);
1193}
1194
1195static void hptiop_disable_intr_mv(struct hptiop_hba *hba)
1196{
1197 writel(0, &hba->u.mv.regs->outbound_intmask);
1198 readl(&hba->u.mv.regs->outbound_intmask);
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +08001199}
1200
1201static void hptiop_remove(struct pci_dev *pcidev)
1202{
1203 struct Scsi_Host *host = pci_get_drvdata(pcidev);
1204 struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
1205
1206 dprintk("scsi%d: hptiop_remove\n", hba->host->host_no);
1207
HighPoint Linux Team4f2ddba2006-06-14 16:50:57 +08001208 scsi_remove_host(host);
1209
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +08001210 hptiop_shutdown(pcidev);
1211
1212 free_irq(hba->pcidev->irq, hba);
1213
1214 dma_free_coherent(&hba->pcidev->dev,
1215 hba->req_size * hba->max_requests + 0x20,
1216 hba->dma_coherent,
1217 hba->dma_coherent_handle);
1218
HighPoint Linux Team00f59702007-12-13 16:14:26 -08001219 if (hba->ops->internal_memfree)
1220 hba->ops->internal_memfree(hba);
1221
1222 hba->ops->unmap_pci_bar(hba);
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +08001223
1224 pci_release_regions(hba->pcidev);
1225 pci_set_drvdata(hba->pcidev, NULL);
1226 pci_disable_device(hba->pcidev);
1227
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +08001228 scsi_host_put(host);
1229}
1230
HighPoint Linux Team00f59702007-12-13 16:14:26 -08001231static struct hptiop_adapter_ops hptiop_itl_ops = {
1232 .iop_wait_ready = iop_wait_ready_itl,
Harvey Harrison9bcf0912008-05-22 15:45:07 -07001233 .internal_memalloc = NULL,
1234 .internal_memfree = NULL,
HighPoint Linux Team00f59702007-12-13 16:14:26 -08001235 .map_pci_bar = hptiop_map_pci_bar_itl,
1236 .unmap_pci_bar = hptiop_unmap_pci_bar_itl,
1237 .enable_intr = hptiop_enable_intr_itl,
1238 .disable_intr = hptiop_disable_intr_itl,
1239 .get_config = iop_get_config_itl,
1240 .set_config = iop_set_config_itl,
1241 .iop_intr = iop_intr_itl,
1242 .post_msg = hptiop_post_msg_itl,
1243 .post_req = hptiop_post_req_itl,
HighPoint Linux Team23f0bb42012-06-14 08:47:07 +01001244 .hw_dma_bit_mask = 64,
HighPoint Linux Team00f59702007-12-13 16:14:26 -08001245};
1246
1247static struct hptiop_adapter_ops hptiop_mv_ops = {
1248 .iop_wait_ready = iop_wait_ready_mv,
1249 .internal_memalloc = hptiop_internal_memalloc_mv,
1250 .internal_memfree = hptiop_internal_memfree_mv,
1251 .map_pci_bar = hptiop_map_pci_bar_mv,
1252 .unmap_pci_bar = hptiop_unmap_pci_bar_mv,
1253 .enable_intr = hptiop_enable_intr_mv,
1254 .disable_intr = hptiop_disable_intr_mv,
1255 .get_config = iop_get_config_mv,
1256 .set_config = iop_set_config_mv,
1257 .iop_intr = iop_intr_mv,
1258 .post_msg = hptiop_post_msg_mv,
1259 .post_req = hptiop_post_req_mv,
HighPoint Linux Team23f0bb42012-06-14 08:47:07 +01001260 .hw_dma_bit_mask = 33,
HighPoint Linux Team00f59702007-12-13 16:14:26 -08001261};
1262
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +08001263static struct pci_device_id hptiop_id_table[] = {
HighPoint Linux Team00f59702007-12-13 16:14:26 -08001264 { PCI_VDEVICE(TTI, 0x3220), (kernel_ulong_t)&hptiop_itl_ops },
1265 { PCI_VDEVICE(TTI, 0x3320), (kernel_ulong_t)&hptiop_itl_ops },
HighPoint Linux Team3bfc13c2009-09-11 17:21:27 +08001266 { PCI_VDEVICE(TTI, 0x3410), (kernel_ulong_t)&hptiop_itl_ops },
HighPoint Linux Team00f59702007-12-13 16:14:26 -08001267 { PCI_VDEVICE(TTI, 0x3510), (kernel_ulong_t)&hptiop_itl_ops },
1268 { PCI_VDEVICE(TTI, 0x3511), (kernel_ulong_t)&hptiop_itl_ops },
HighPoint Linux Team3bfc13c2009-09-11 17:21:27 +08001269 { PCI_VDEVICE(TTI, 0x3520), (kernel_ulong_t)&hptiop_itl_ops },
HighPoint Linux Team00f59702007-12-13 16:14:26 -08001270 { PCI_VDEVICE(TTI, 0x3521), (kernel_ulong_t)&hptiop_itl_ops },
1271 { PCI_VDEVICE(TTI, 0x3522), (kernel_ulong_t)&hptiop_itl_ops },
HighPoint Linux Teamdd074282008-07-25 13:29:24 +08001272 { PCI_VDEVICE(TTI, 0x3530), (kernel_ulong_t)&hptiop_itl_ops },
HighPoint Linux Team3bfc13c2009-09-11 17:21:27 +08001273 { PCI_VDEVICE(TTI, 0x3540), (kernel_ulong_t)&hptiop_itl_ops },
HighPoint Linux Teamdd074282008-07-25 13:29:24 +08001274 { PCI_VDEVICE(TTI, 0x3560), (kernel_ulong_t)&hptiop_itl_ops },
HighPoint Linux Teamdd074282008-07-25 13:29:24 +08001275 { PCI_VDEVICE(TTI, 0x4210), (kernel_ulong_t)&hptiop_itl_ops },
1276 { PCI_VDEVICE(TTI, 0x4211), (kernel_ulong_t)&hptiop_itl_ops },
1277 { PCI_VDEVICE(TTI, 0x4310), (kernel_ulong_t)&hptiop_itl_ops },
1278 { PCI_VDEVICE(TTI, 0x4311), (kernel_ulong_t)&hptiop_itl_ops },
HighPoint Linux Team3bfc13c2009-09-11 17:21:27 +08001279 { PCI_VDEVICE(TTI, 0x4320), (kernel_ulong_t)&hptiop_itl_ops },
1280 { PCI_VDEVICE(TTI, 0x4321), (kernel_ulong_t)&hptiop_itl_ops },
1281 { PCI_VDEVICE(TTI, 0x4322), (kernel_ulong_t)&hptiop_itl_ops },
1282 { PCI_VDEVICE(TTI, 0x4400), (kernel_ulong_t)&hptiop_itl_ops },
HighPoint Linux Team00f59702007-12-13 16:14:26 -08001283 { PCI_VDEVICE(TTI, 0x3120), (kernel_ulong_t)&hptiop_mv_ops },
1284 { PCI_VDEVICE(TTI, 0x3122), (kernel_ulong_t)&hptiop_mv_ops },
1285 { PCI_VDEVICE(TTI, 0x3020), (kernel_ulong_t)&hptiop_mv_ops },
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +08001286 {},
1287};
1288
1289MODULE_DEVICE_TABLE(pci, hptiop_id_table);
1290
1291static struct pci_driver hptiop_pci_driver = {
1292 .name = driver_name,
1293 .id_table = hptiop_id_table,
1294 .probe = hptiop_probe,
1295 .remove = hptiop_remove,
1296 .shutdown = hptiop_shutdown,
1297};
1298
1299static int __init hptiop_module_init(void)
1300{
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +08001301 printk(KERN_INFO "%s %s\n", driver_name_long, driver_ver);
Christoph Hellwig3e740512006-07-30 19:13:36 +02001302 return pci_register_driver(&hptiop_pci_driver);
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +08001303}
1304
1305static void __exit hptiop_module_exit(void)
1306{
HighPoint Linux Teamede1e6f2006-05-16 14:38:09 +08001307 pci_unregister_driver(&hptiop_pci_driver);
1308}
1309
1310
1311module_init(hptiop_module_init);
1312module_exit(hptiop_module_exit);
1313
1314MODULE_LICENSE("GPL");
HighPoint Linux Teamdb9b6e82007-08-30 18:06:21 +08001315