]>
Commit | Line | Data |
---|---|---|
ede1e6f8 | 1 | /* |
00f59701 | 2 | * HighPoint RR3xxx/4xxx controller driver for Linux |
3bfc13c2 | 3 | * Copyright (C) 2006-2009 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 | ||
39 | MODULE_AUTHOR("HighPoint Technologies, Inc."); | |
00f59701 | 40 | MODULE_DESCRIPTION("HighPoint RocketRAID 3xxx/4xxx Controller Driver"); |
ede1e6f8 HLT |
41 | |
42 | static char driver_name[] = "hptiop"; | |
00f59701 | 43 | static const char driver_name_long[] = "RocketRAID 3xxx/4xxx Controller driver"; |
3bfc13c2 | 44 | static const char driver_ver[] = "v1.6 (090910)"; |
00f59701 HLT |
45 | |
46 | static int iop_send_sync_msg(struct hptiop_hba *hba, u32 msg, u32 millisec); | |
47 | static void hptiop_finish_scsi_req(struct hptiop_hba *hba, u32 tag, | |
48 | struct hpt_iop_request_scsi_command *req); | |
49 | static void hptiop_host_request_callback_itl(struct hptiop_hba *hba, u32 tag); | |
50 | static void hptiop_iop_request_callback_itl(struct hptiop_hba *hba, u32 tag); | |
ede1e6f8 HLT |
51 | static void hptiop_message_callback(struct hptiop_hba *hba, u32 msg); |
52 | ||
00f59701 | 53 | static 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 |
74 | static 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 | ||
79 | static 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 | 88 | static 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 | 115 | static int iop_intr_itl(struct hptiop_hba *hba) |
ede1e6f8 | 116 | { |
00f59701 | 117 | struct hpt_iopmu_itl __iomem *iop = hba->u.itl.iop; |
3bfc13c2 | 118 | void __iomem *plx = hba->u.itl.plx; |
ede1e6f8 HLT |
119 | u32 status; |
120 | int ret = 0; | |
121 | ||
3bfc13c2 HLT |
122 | if (plx && readl(plx + 0x11C5C) & 0xf) |
123 | writel(1, plx + 0x11C60); | |
124 | ||
ede1e6f8 HLT |
125 | status = readl(&iop->outbound_intstatus); |
126 | ||
127 | if (status & IOPMU_OUTBOUND_INT_MSG0) { | |
128 | u32 msg = readl(&iop->outbound_msgaddr0); | |
00f59701 | 129 | |
ede1e6f8 HLT |
130 | dprintk("received outbound msg %x\n", msg); |
131 | writel(IOPMU_OUTBOUND_INT_MSG0, &iop->outbound_intstatus); | |
132 | hptiop_message_callback(hba, msg); | |
133 | ret = 1; | |
134 | } | |
135 | ||
136 | if (status & IOPMU_OUTBOUND_INT_POSTQUEUE) { | |
00f59701 HLT |
137 | hptiop_drain_outbound_queue_itl(hba); |
138 | ret = 1; | |
139 | } | |
140 | ||
141 | return ret; | |
142 | } | |
143 | ||
144 | static u64 mv_outbound_read(struct hpt_iopmu_mv __iomem *mu) | |
145 | { | |
146 | u32 outbound_tail = readl(&mu->outbound_tail); | |
147 | u32 outbound_head = readl(&mu->outbound_head); | |
148 | ||
149 | if (outbound_tail != outbound_head) { | |
150 | u64 p; | |
151 | ||
152 | memcpy_fromio(&p, &mu->outbound_q[mu->outbound_tail], 8); | |
153 | outbound_tail++; | |
154 | ||
155 | if (outbound_tail == MVIOP_QUEUE_LEN) | |
156 | outbound_tail = 0; | |
157 | writel(outbound_tail, &mu->outbound_tail); | |
158 | return p; | |
159 | } else | |
160 | return 0; | |
161 | } | |
162 | ||
163 | static void mv_inbound_write(u64 p, struct hptiop_hba *hba) | |
164 | { | |
165 | u32 inbound_head = readl(&hba->u.mv.mu->inbound_head); | |
166 | u32 head = inbound_head + 1; | |
167 | ||
168 | if (head == MVIOP_QUEUE_LEN) | |
169 | head = 0; | |
170 | ||
171 | memcpy_toio(&hba->u.mv.mu->inbound_q[inbound_head], &p, 8); | |
172 | writel(head, &hba->u.mv.mu->inbound_head); | |
173 | writel(MVIOP_MU_INBOUND_INT_POSTQUEUE, | |
174 | &hba->u.mv.regs->inbound_doorbell); | |
175 | } | |
176 | ||
177 | static void hptiop_request_callback_mv(struct hptiop_hba *hba, u64 tag) | |
178 | { | |
179 | u32 req_type = (tag >> 5) & 0x7; | |
180 | struct hpt_iop_request_scsi_command *req; | |
181 | ||
182 | dprintk("hptiop_request_callback_mv: tag=%llx\n", tag); | |
183 | ||
184 | BUG_ON((tag & MVIOP_MU_QUEUE_REQUEST_RETURN_CONTEXT) == 0); | |
185 | ||
186 | switch (req_type) { | |
187 | case IOP_REQUEST_TYPE_GET_CONFIG: | |
188 | case IOP_REQUEST_TYPE_SET_CONFIG: | |
189 | hba->msg_done = 1; | |
190 | break; | |
191 | ||
192 | case IOP_REQUEST_TYPE_SCSI_COMMAND: | |
193 | req = hba->reqs[tag >> 8].req_virt; | |
194 | if (likely(tag & MVIOP_MU_QUEUE_REQUEST_RESULT_BIT)) | |
195 | req->header.result = cpu_to_le32(IOP_RESULT_SUCCESS); | |
196 | ||
197 | hptiop_finish_scsi_req(hba, tag>>8, req); | |
198 | break; | |
199 | ||
200 | default: | |
201 | break; | |
202 | } | |
203 | } | |
204 | ||
205 | static int iop_intr_mv(struct hptiop_hba *hba) | |
206 | { | |
207 | u32 status; | |
208 | int ret = 0; | |
209 | ||
210 | status = readl(&hba->u.mv.regs->outbound_doorbell); | |
211 | writel(~status, &hba->u.mv.regs->outbound_doorbell); | |
212 | ||
213 | if (status & MVIOP_MU_OUTBOUND_INT_MSG) { | |
214 | u32 msg; | |
215 | msg = readl(&hba->u.mv.mu->outbound_msg); | |
216 | dprintk("received outbound msg %x\n", msg); | |
217 | hptiop_message_callback(hba, msg); | |
218 | ret = 1; | |
219 | } | |
220 | ||
221 | if (status & MVIOP_MU_OUTBOUND_INT_POSTQUEUE) { | |
222 | u64 tag; | |
223 | ||
224 | while ((tag = mv_outbound_read(hba->u.mv.mu))) | |
225 | hptiop_request_callback_mv(hba, tag); | |
ede1e6f8 HLT |
226 | ret = 1; |
227 | } | |
228 | ||
229 | return ret; | |
230 | } | |
231 | ||
00f59701 | 232 | static int iop_send_sync_request_itl(struct hptiop_hba *hba, |
ede1e6f8 HLT |
233 | void __iomem *_req, u32 millisec) |
234 | { | |
235 | struct hpt_iop_request_header __iomem *req = _req; | |
236 | u32 i; | |
237 | ||
00f59701 | 238 | writel(readl(&req->flags) | IOP_REQUEST_FLAG_SYNC_REQUEST, &req->flags); |
ede1e6f8 | 239 | writel(0, &req->context); |
00f59701 HLT |
240 | writel((unsigned long)req - (unsigned long)hba->u.itl.iop, |
241 | &hba->u.itl.iop->inbound_queue); | |
242 | readl(&hba->u.itl.iop->outbound_intstatus); | |
ede1e6f8 HLT |
243 | |
244 | for (i = 0; i < millisec; i++) { | |
00f59701 | 245 | iop_intr_itl(hba); |
ede1e6f8 HLT |
246 | if (readl(&req->context)) |
247 | return 0; | |
248 | msleep(1); | |
249 | } | |
250 | ||
251 | return -1; | |
252 | } | |
253 | ||
00f59701 HLT |
254 | static int iop_send_sync_request_mv(struct hptiop_hba *hba, |
255 | u32 size_bits, u32 millisec) | |
ede1e6f8 | 256 | { |
00f59701 | 257 | struct hpt_iop_request_header *reqhdr = hba->u.mv.internal_req; |
ede1e6f8 HLT |
258 | u32 i; |
259 | ||
260 | hba->msg_done = 0; | |
00f59701 HLT |
261 | reqhdr->flags |= cpu_to_le32(IOP_REQUEST_FLAG_SYNC_REQUEST); |
262 | mv_inbound_write(hba->u.mv.internal_req_phy | | |
263 | MVIOP_MU_QUEUE_ADDR_HOST_BIT | size_bits, hba); | |
264 | ||
265 | for (i = 0; i < millisec; i++) { | |
266 | iop_intr_mv(hba); | |
267 | if (hba->msg_done) | |
268 | return 0; | |
269 | msleep(1); | |
270 | } | |
271 | return -1; | |
272 | } | |
273 | ||
274 | static void hptiop_post_msg_itl(struct hptiop_hba *hba, u32 msg) | |
275 | { | |
276 | writel(msg, &hba->u.itl.iop->inbound_msgaddr0); | |
277 | readl(&hba->u.itl.iop->outbound_intstatus); | |
278 | } | |
279 | ||
280 | static void hptiop_post_msg_mv(struct hptiop_hba *hba, u32 msg) | |
281 | { | |
282 | writel(msg, &hba->u.mv.mu->inbound_msg); | |
283 | writel(MVIOP_MU_INBOUND_INT_MSG, &hba->u.mv.regs->inbound_doorbell); | |
284 | readl(&hba->u.mv.regs->inbound_doorbell); | |
285 | } | |
ede1e6f8 | 286 | |
00f59701 HLT |
287 | static int iop_send_sync_msg(struct hptiop_hba *hba, u32 msg, u32 millisec) |
288 | { | |
289 | u32 i; | |
ede1e6f8 | 290 | |
00f59701 HLT |
291 | hba->msg_done = 0; |
292 | hba->ops->post_msg(hba, msg); | |
ede1e6f8 HLT |
293 | |
294 | for (i = 0; i < millisec; i++) { | |
295 | spin_lock_irq(hba->host->host_lock); | |
00f59701 | 296 | hba->ops->iop_intr(hba); |
ede1e6f8 HLT |
297 | spin_unlock_irq(hba->host->host_lock); |
298 | if (hba->msg_done) | |
299 | break; | |
300 | msleep(1); | |
301 | } | |
302 | ||
303 | return hba->msg_done? 0 : -1; | |
304 | } | |
305 | ||
00f59701 | 306 | static int iop_get_config_itl(struct hptiop_hba *hba, |
ede1e6f8 HLT |
307 | struct hpt_iop_request_get_config *config) |
308 | { | |
309 | u32 req32; | |
310 | struct hpt_iop_request_get_config __iomem *req; | |
311 | ||
00f59701 | 312 | req32 = readl(&hba->u.itl.iop->inbound_queue); |
ede1e6f8 HLT |
313 | if (req32 == IOPMU_QUEUE_EMPTY) |
314 | return -1; | |
315 | ||
316 | req = (struct hpt_iop_request_get_config __iomem *) | |
00f59701 | 317 | ((unsigned long)hba->u.itl.iop + req32); |
ede1e6f8 HLT |
318 | |
319 | writel(0, &req->header.flags); | |
320 | writel(IOP_REQUEST_TYPE_GET_CONFIG, &req->header.type); | |
321 | writel(sizeof(struct hpt_iop_request_get_config), &req->header.size); | |
322 | writel(IOP_RESULT_PENDING, &req->header.result); | |
323 | ||
00f59701 | 324 | if (iop_send_sync_request_itl(hba, req, 20000)) { |
ede1e6f8 HLT |
325 | dprintk("Get config send cmd failed\n"); |
326 | return -1; | |
327 | } | |
328 | ||
329 | memcpy_fromio(config, req, sizeof(*config)); | |
00f59701 HLT |
330 | writel(req32, &hba->u.itl.iop->outbound_queue); |
331 | return 0; | |
332 | } | |
333 | ||
334 | static int iop_get_config_mv(struct hptiop_hba *hba, | |
335 | struct hpt_iop_request_get_config *config) | |
336 | { | |
337 | struct hpt_iop_request_get_config *req = hba->u.mv.internal_req; | |
338 | ||
339 | req->header.flags = cpu_to_le32(IOP_REQUEST_FLAG_OUTPUT_CONTEXT); | |
340 | req->header.type = cpu_to_le32(IOP_REQUEST_TYPE_GET_CONFIG); | |
341 | req->header.size = | |
342 | cpu_to_le32(sizeof(struct hpt_iop_request_get_config)); | |
343 | req->header.result = cpu_to_le32(IOP_RESULT_PENDING); | |
f6b196a2 JB |
344 | req->header.context = cpu_to_le32(IOP_REQUEST_TYPE_GET_CONFIG<<5); |
345 | req->header.context_hi32 = 0; | |
00f59701 HLT |
346 | |
347 | if (iop_send_sync_request_mv(hba, 0, 20000)) { | |
348 | dprintk("Get config send cmd failed\n"); | |
349 | return -1; | |
350 | } | |
351 | ||
352 | memcpy(config, req, sizeof(struct hpt_iop_request_get_config)); | |
ede1e6f8 HLT |
353 | return 0; |
354 | } | |
355 | ||
00f59701 | 356 | static int iop_set_config_itl(struct hptiop_hba *hba, |
ede1e6f8 HLT |
357 | struct hpt_iop_request_set_config *config) |
358 | { | |
359 | u32 req32; | |
360 | struct hpt_iop_request_set_config __iomem *req; | |
361 | ||
00f59701 | 362 | req32 = readl(&hba->u.itl.iop->inbound_queue); |
ede1e6f8 HLT |
363 | if (req32 == IOPMU_QUEUE_EMPTY) |
364 | return -1; | |
365 | ||
366 | req = (struct hpt_iop_request_set_config __iomem *) | |
00f59701 | 367 | ((unsigned long)hba->u.itl.iop + req32); |
ede1e6f8 HLT |
368 | |
369 | memcpy_toio((u8 __iomem *)req + sizeof(struct hpt_iop_request_header), | |
370 | (u8 *)config + sizeof(struct hpt_iop_request_header), | |
371 | sizeof(struct hpt_iop_request_set_config) - | |
372 | sizeof(struct hpt_iop_request_header)); | |
373 | ||
374 | writel(0, &req->header.flags); | |
375 | writel(IOP_REQUEST_TYPE_SET_CONFIG, &req->header.type); | |
376 | writel(sizeof(struct hpt_iop_request_set_config), &req->header.size); | |
377 | writel(IOP_RESULT_PENDING, &req->header.result); | |
378 | ||
00f59701 | 379 | if (iop_send_sync_request_itl(hba, req, 20000)) { |
ede1e6f8 HLT |
380 | dprintk("Set config send cmd failed\n"); |
381 | return -1; | |
382 | } | |
383 | ||
00f59701 | 384 | writel(req32, &hba->u.itl.iop->outbound_queue); |
ede1e6f8 HLT |
385 | return 0; |
386 | } | |
387 | ||
00f59701 HLT |
388 | static int iop_set_config_mv(struct hptiop_hba *hba, |
389 | struct hpt_iop_request_set_config *config) | |
ede1e6f8 | 390 | { |
00f59701 | 391 | struct hpt_iop_request_set_config *req = hba->u.mv.internal_req; |
ede1e6f8 | 392 | |
00f59701 HLT |
393 | memcpy(req, config, sizeof(struct hpt_iop_request_set_config)); |
394 | req->header.flags = cpu_to_le32(IOP_REQUEST_FLAG_OUTPUT_CONTEXT); | |
395 | req->header.type = cpu_to_le32(IOP_REQUEST_TYPE_SET_CONFIG); | |
396 | req->header.size = | |
397 | cpu_to_le32(sizeof(struct hpt_iop_request_set_config)); | |
398 | req->header.result = cpu_to_le32(IOP_RESULT_PENDING); | |
f6b196a2 JB |
399 | req->header.context = cpu_to_le32(IOP_REQUEST_TYPE_SET_CONFIG<<5); |
400 | req->header.context_hi32 = 0; | |
00f59701 HLT |
401 | |
402 | if (iop_send_sync_request_mv(hba, 0, 20000)) { | |
403 | dprintk("Set config send cmd failed\n"); | |
404 | return -1; | |
405 | } | |
406 | ||
407 | return 0; | |
408 | } | |
409 | ||
410 | static void hptiop_enable_intr_itl(struct hptiop_hba *hba) | |
411 | { | |
ede1e6f8 | 412 | writel(~(IOPMU_OUTBOUND_INT_POSTQUEUE | IOPMU_OUTBOUND_INT_MSG0), |
00f59701 HLT |
413 | &hba->u.itl.iop->outbound_intmask); |
414 | } | |
415 | ||
416 | static void hptiop_enable_intr_mv(struct hptiop_hba *hba) | |
417 | { | |
418 | writel(MVIOP_MU_OUTBOUND_INT_POSTQUEUE | MVIOP_MU_OUTBOUND_INT_MSG, | |
419 | &hba->u.mv.regs->outbound_intmask); | |
420 | } | |
421 | ||
422 | static int hptiop_initialize_iop(struct hptiop_hba *hba) | |
423 | { | |
424 | /* enable interrupts */ | |
425 | hba->ops->enable_intr(hba); | |
ede1e6f8 HLT |
426 | |
427 | hba->initialized = 1; | |
428 | ||
429 | /* start background tasks */ | |
430 | if (iop_send_sync_msg(hba, | |
431 | IOPMU_INBOUND_MSG0_START_BACKGROUND_TASK, 5000)) { | |
432 | printk(KERN_ERR "scsi%d: fail to start background task\n", | |
433 | hba->host->host_no); | |
434 | return -1; | |
435 | } | |
436 | return 0; | |
437 | } | |
438 | ||
00f59701 | 439 | static void __iomem *hptiop_map_pci_bar(struct hptiop_hba *hba, int index) |
ede1e6f8 HLT |
440 | { |
441 | u32 mem_base_phy, length; | |
442 | void __iomem *mem_base_virt; | |
00f59701 | 443 | |
ede1e6f8 HLT |
444 | struct pci_dev *pcidev = hba->pcidev; |
445 | ||
00f59701 HLT |
446 | |
447 | if (!(pci_resource_flags(pcidev, index) & IORESOURCE_MEM)) { | |
ede1e6f8 HLT |
448 | printk(KERN_ERR "scsi%d: pci resource invalid\n", |
449 | hba->host->host_no); | |
9bcf0910 | 450 | return NULL; |
ede1e6f8 HLT |
451 | } |
452 | ||
00f59701 HLT |
453 | mem_base_phy = pci_resource_start(pcidev, index); |
454 | length = pci_resource_len(pcidev, index); | |
ede1e6f8 HLT |
455 | mem_base_virt = ioremap(mem_base_phy, length); |
456 | ||
457 | if (!mem_base_virt) { | |
458 | printk(KERN_ERR "scsi%d: Fail to ioremap memory space\n", | |
459 | hba->host->host_no); | |
9bcf0910 | 460 | return NULL; |
00f59701 HLT |
461 | } |
462 | return mem_base_virt; | |
463 | } | |
464 | ||
465 | static int hptiop_map_pci_bar_itl(struct hptiop_hba *hba) | |
466 | { | |
3bfc13c2 | 467 | struct pci_dev *pcidev = hba->pcidev; |
00f59701 | 468 | hba->u.itl.iop = hptiop_map_pci_bar(hba, 0); |
3bfc13c2 | 469 | if (hba->u.itl.iop == NULL) |
00f59701 | 470 | return -1; |
3bfc13c2 HLT |
471 | if ((pcidev->device & 0xff00) == 0x4400) { |
472 | hba->u.itl.plx = hba->u.itl.iop; | |
473 | hba->u.itl.iop = hptiop_map_pci_bar(hba, 2); | |
474 | if (hba->u.itl.iop == NULL) { | |
475 | iounmap(hba->u.itl.plx); | |
476 | return -1; | |
477 | } | |
478 | } | |
479 | return 0; | |
00f59701 HLT |
480 | } |
481 | ||
482 | static void hptiop_unmap_pci_bar_itl(struct hptiop_hba *hba) | |
483 | { | |
3bfc13c2 HLT |
484 | if (hba->u.itl.plx) |
485 | iounmap(hba->u.itl.plx); | |
00f59701 HLT |
486 | iounmap(hba->u.itl.iop); |
487 | } | |
488 | ||
489 | static int hptiop_map_pci_bar_mv(struct hptiop_hba *hba) | |
490 | { | |
491 | hba->u.mv.regs = hptiop_map_pci_bar(hba, 0); | |
9bcf0910 | 492 | if (hba->u.mv.regs == NULL) |
00f59701 HLT |
493 | return -1; |
494 | ||
495 | hba->u.mv.mu = hptiop_map_pci_bar(hba, 2); | |
9bcf0910 | 496 | if (hba->u.mv.mu == NULL) { |
00f59701 | 497 | iounmap(hba->u.mv.regs); |
ede1e6f8 HLT |
498 | return -1; |
499 | } | |
500 | ||
ede1e6f8 HLT |
501 | return 0; |
502 | } | |
503 | ||
00f59701 HLT |
504 | static void hptiop_unmap_pci_bar_mv(struct hptiop_hba *hba) |
505 | { | |
506 | iounmap(hba->u.mv.regs); | |
507 | iounmap(hba->u.mv.mu); | |
508 | } | |
509 | ||
ede1e6f8 HLT |
510 | static void hptiop_message_callback(struct hptiop_hba *hba, u32 msg) |
511 | { | |
512 | dprintk("iop message 0x%x\n", msg); | |
513 | ||
00f59701 HLT |
514 | if (msg == IOPMU_INBOUND_MSG0_NOP) |
515 | hba->msg_done = 1; | |
516 | ||
ede1e6f8 HLT |
517 | if (!hba->initialized) |
518 | return; | |
519 | ||
520 | if (msg == IOPMU_INBOUND_MSG0_RESET) { | |
521 | atomic_set(&hba->resetting, 0); | |
522 | wake_up(&hba->reset_wq); | |
523 | } | |
524 | else if (msg <= IOPMU_INBOUND_MSG0_MAX) | |
525 | hba->msg_done = 1; | |
526 | } | |
527 | ||
00f59701 | 528 | static struct hptiop_request *get_req(struct hptiop_hba *hba) |
ede1e6f8 HLT |
529 | { |
530 | struct hptiop_request *ret; | |
531 | ||
532 | dprintk("get_req : req=%p\n", hba->req_list); | |
533 | ||
534 | ret = hba->req_list; | |
535 | if (ret) | |
536 | hba->req_list = ret->next; | |
537 | ||
538 | return ret; | |
539 | } | |
540 | ||
00f59701 | 541 | static void free_req(struct hptiop_hba *hba, struct hptiop_request *req) |
ede1e6f8 HLT |
542 | { |
543 | dprintk("free_req(%d, %p)\n", req->index, req); | |
544 | req->next = hba->req_list; | |
545 | hba->req_list = req; | |
546 | } | |
547 | ||
00f59701 HLT |
548 | static void hptiop_finish_scsi_req(struct hptiop_hba *hba, u32 tag, |
549 | struct hpt_iop_request_scsi_command *req) | |
ede1e6f8 | 550 | { |
ede1e6f8 HLT |
551 | struct scsi_cmnd *scp; |
552 | ||
00f59701 | 553 | dprintk("hptiop_finish_scsi_req: req=%p, type=%d, " |
ede1e6f8 HLT |
554 | "result=%d, context=0x%x tag=%d\n", |
555 | req, req->header.type, req->header.result, | |
556 | req->header.context, tag); | |
557 | ||
558 | BUG_ON(!req->header.result); | |
559 | BUG_ON(req->header.type != cpu_to_le32(IOP_REQUEST_TYPE_SCSI_COMMAND)); | |
560 | ||
561 | scp = hba->reqs[tag].scp; | |
562 | ||
f9875496 FT |
563 | if (HPT_SCP(scp)->mapped) |
564 | scsi_dma_unmap(scp); | |
ede1e6f8 HLT |
565 | |
566 | switch (le32_to_cpu(req->header.result)) { | |
567 | case IOP_RESULT_SUCCESS: | |
00f59701 HLT |
568 | scsi_set_resid(scp, |
569 | scsi_bufflen(scp) - le32_to_cpu(req->dataxfer_length)); | |
ede1e6f8 HLT |
570 | scp->result = (DID_OK<<16); |
571 | break; | |
572 | case IOP_RESULT_BAD_TARGET: | |
573 | scp->result = (DID_BAD_TARGET<<16); | |
574 | break; | |
575 | case IOP_RESULT_BUSY: | |
576 | scp->result = (DID_BUS_BUSY<<16); | |
577 | break; | |
578 | case IOP_RESULT_RESET: | |
579 | scp->result = (DID_RESET<<16); | |
580 | break; | |
581 | case IOP_RESULT_FAIL: | |
582 | scp->result = (DID_ERROR<<16); | |
583 | break; | |
584 | case IOP_RESULT_INVALID_REQUEST: | |
585 | scp->result = (DID_ABORT<<16); | |
586 | break; | |
00f59701 HLT |
587 | case IOP_RESULT_CHECK_CONDITION: |
588 | scsi_set_resid(scp, | |
589 | scsi_bufflen(scp) - le32_to_cpu(req->dataxfer_length)); | |
ede1e6f8 | 590 | scp->result = SAM_STAT_CHECK_CONDITION; |
c372f4a8 | 591 | memcpy(scp->sense_buffer, &req->sg_list, |
b80ca4f7 | 592 | min_t(size_t, SCSI_SENSE_BUFFERSIZE, |
0fec02c9 | 593 | le32_to_cpu(req->dataxfer_length))); |
ede1e6f8 HLT |
594 | break; |
595 | ||
596 | default: | |
1c9fbafc | 597 | scp->result = DRIVER_INVALID << 24 | DID_ABORT << 16; |
ede1e6f8 HLT |
598 | break; |
599 | } | |
600 | ||
601 | dprintk("scsi_done(%p)\n", scp); | |
602 | scp->scsi_done(scp); | |
603 | free_req(hba, &hba->reqs[tag]); | |
604 | } | |
605 | ||
00f59701 HLT |
606 | static void hptiop_host_request_callback_itl(struct hptiop_hba *hba, u32 _tag) |
607 | { | |
608 | struct hpt_iop_request_scsi_command *req; | |
609 | u32 tag; | |
610 | ||
611 | if (hba->iopintf_v2) { | |
612 | tag = _tag & ~IOPMU_QUEUE_REQUEST_RESULT_BIT; | |
613 | req = hba->reqs[tag].req_virt; | |
614 | if (likely(_tag & IOPMU_QUEUE_REQUEST_RESULT_BIT)) | |
615 | req->header.result = cpu_to_le32(IOP_RESULT_SUCCESS); | |
616 | } else { | |
617 | tag = _tag; | |
618 | req = hba->reqs[tag].req_virt; | |
619 | } | |
620 | ||
621 | hptiop_finish_scsi_req(hba, tag, req); | |
622 | } | |
623 | ||
624 | void hptiop_iop_request_callback_itl(struct hptiop_hba *hba, u32 tag) | |
ede1e6f8 HLT |
625 | { |
626 | struct hpt_iop_request_header __iomem *req; | |
627 | struct hpt_iop_request_ioctl_command __iomem *p; | |
628 | struct hpt_ioctl_k *arg; | |
629 | ||
630 | req = (struct hpt_iop_request_header __iomem *) | |
00f59701 HLT |
631 | ((unsigned long)hba->u.itl.iop + tag); |
632 | dprintk("hptiop_iop_request_callback_itl: req=%p, type=%d, " | |
ede1e6f8 HLT |
633 | "result=%d, context=0x%x tag=%d\n", |
634 | req, readl(&req->type), readl(&req->result), | |
635 | readl(&req->context), tag); | |
636 | ||
637 | BUG_ON(!readl(&req->result)); | |
638 | BUG_ON(readl(&req->type) != IOP_REQUEST_TYPE_IOCTL_COMMAND); | |
639 | ||
640 | p = (struct hpt_iop_request_ioctl_command __iomem *)req; | |
641 | arg = (struct hpt_ioctl_k *)(unsigned long) | |
642 | (readl(&req->context) | | |
643 | ((u64)readl(&req->context_hi32)<<32)); | |
644 | ||
645 | if (readl(&req->result) == IOP_RESULT_SUCCESS) { | |
646 | arg->result = HPT_IOCTL_RESULT_OK; | |
647 | ||
648 | if (arg->outbuf_size) | |
649 | memcpy_fromio(arg->outbuf, | |
650 | &p->buf[(readl(&p->inbuf_size) + 3)& ~3], | |
651 | arg->outbuf_size); | |
652 | ||
653 | if (arg->bytes_returned) | |
654 | *arg->bytes_returned = arg->outbuf_size; | |
655 | } | |
656 | else | |
657 | arg->result = HPT_IOCTL_RESULT_FAILED; | |
658 | ||
659 | arg->done(arg); | |
00f59701 | 660 | writel(tag, &hba->u.itl.iop->outbound_queue); |
ede1e6f8 HLT |
661 | } |
662 | ||
7d12e780 | 663 | static irqreturn_t hptiop_intr(int irq, void *dev_id) |
ede1e6f8 HLT |
664 | { |
665 | struct hptiop_hba *hba = dev_id; | |
666 | int handled; | |
667 | unsigned long flags; | |
668 | ||
669 | spin_lock_irqsave(hba->host->host_lock, flags); | |
00f59701 | 670 | handled = hba->ops->iop_intr(hba); |
ede1e6f8 HLT |
671 | spin_unlock_irqrestore(hba->host->host_lock, flags); |
672 | ||
673 | return handled; | |
674 | } | |
675 | ||
676 | static int hptiop_buildsgl(struct scsi_cmnd *scp, struct hpt_iopsg *psg) | |
677 | { | |
678 | struct Scsi_Host *host = scp->device->host; | |
679 | struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata; | |
f9875496 FT |
680 | struct scatterlist *sg; |
681 | int idx, nseg; | |
682 | ||
683 | nseg = scsi_dma_map(scp); | |
684 | BUG_ON(nseg < 0); | |
685 | if (!nseg) | |
686 | return 0; | |
ede1e6f8 | 687 | |
f9875496 FT |
688 | HPT_SCP(scp)->sgcnt = nseg; |
689 | HPT_SCP(scp)->mapped = 1; | |
690 | ||
691 | BUG_ON(HPT_SCP(scp)->sgcnt > hba->max_sg_descriptors); | |
692 | ||
693 | scsi_for_each_sg(scp, sg, HPT_SCP(scp)->sgcnt, idx) { | |
694 | psg[idx].pci_address = cpu_to_le64(sg_dma_address(sg)); | |
695 | psg[idx].size = cpu_to_le32(sg_dma_len(sg)); | |
696 | psg[idx].eot = (idx == HPT_SCP(scp)->sgcnt - 1) ? | |
697 | cpu_to_le32(1) : 0; | |
ede1e6f8 | 698 | } |
f9875496 | 699 | return HPT_SCP(scp)->sgcnt; |
ede1e6f8 HLT |
700 | } |
701 | ||
00f59701 HLT |
702 | static void hptiop_post_req_itl(struct hptiop_hba *hba, |
703 | struct hptiop_request *_req) | |
704 | { | |
705 | struct hpt_iop_request_header *reqhdr = _req->req_virt; | |
706 | ||
707 | reqhdr->context = cpu_to_le32(IOPMU_QUEUE_ADDR_HOST_BIT | | |
708 | (u32)_req->index); | |
709 | reqhdr->context_hi32 = 0; | |
710 | ||
711 | if (hba->iopintf_v2) { | |
712 | u32 size, size_bits; | |
713 | ||
714 | size = le32_to_cpu(reqhdr->size); | |
715 | if (size < 256) | |
716 | size_bits = IOPMU_QUEUE_REQUEST_SIZE_BIT; | |
717 | else if (size < 512) | |
718 | size_bits = IOPMU_QUEUE_ADDR_HOST_BIT; | |
719 | else | |
720 | size_bits = IOPMU_QUEUE_REQUEST_SIZE_BIT | | |
721 | IOPMU_QUEUE_ADDR_HOST_BIT; | |
722 | writel(_req->req_shifted_phy | size_bits, | |
723 | &hba->u.itl.iop->inbound_queue); | |
724 | } else | |
725 | writel(_req->req_shifted_phy | IOPMU_QUEUE_ADDR_HOST_BIT, | |
726 | &hba->u.itl.iop->inbound_queue); | |
727 | } | |
728 | ||
729 | static void hptiop_post_req_mv(struct hptiop_hba *hba, | |
730 | struct hptiop_request *_req) | |
731 | { | |
732 | struct hpt_iop_request_header *reqhdr = _req->req_virt; | |
733 | u32 size, size_bit; | |
734 | ||
735 | reqhdr->context = cpu_to_le32(_req->index<<8 | | |
736 | IOP_REQUEST_TYPE_SCSI_COMMAND<<5); | |
737 | reqhdr->context_hi32 = 0; | |
738 | size = le32_to_cpu(reqhdr->size); | |
739 | ||
740 | if (size <= 256) | |
741 | size_bit = 0; | |
742 | else if (size <= 256*2) | |
743 | size_bit = 1; | |
744 | else if (size <= 256*3) | |
745 | size_bit = 2; | |
746 | else | |
747 | size_bit = 3; | |
748 | ||
749 | mv_inbound_write((_req->req_shifted_phy << 5) | | |
750 | MVIOP_MU_QUEUE_ADDR_HOST_BIT | size_bit, hba); | |
751 | } | |
752 | ||
ede1e6f8 HLT |
753 | static int hptiop_queuecommand(struct scsi_cmnd *scp, |
754 | void (*done)(struct scsi_cmnd *)) | |
755 | { | |
756 | struct Scsi_Host *host = scp->device->host; | |
757 | struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata; | |
758 | struct hpt_iop_request_scsi_command *req; | |
759 | int sg_count = 0; | |
760 | struct hptiop_request *_req; | |
761 | ||
762 | BUG_ON(!done); | |
763 | scp->scsi_done = done; | |
764 | ||
ede1e6f8 HLT |
765 | _req = get_req(hba); |
766 | if (_req == NULL) { | |
767 | dprintk("hptiop_queuecmd : no free req\n"); | |
4f2ddba3 | 768 | return SCSI_MLQUEUE_HOST_BUSY; |
ede1e6f8 HLT |
769 | } |
770 | ||
771 | _req->scp = scp; | |
772 | ||
773 | dprintk("hptiop_queuecmd(scp=%p) %d/%d/%d/%d cdb=(%x-%x-%x) " | |
774 | "req_index=%d, req=%p\n", | |
775 | scp, | |
776 | host->host_no, scp->device->channel, | |
777 | scp->device->id, scp->device->lun, | |
64a87b24 BH |
778 | ((u32 *)scp->cmnd)[0], |
779 | ((u32 *)scp->cmnd)[1], | |
780 | ((u32 *)scp->cmnd)[2], | |
ede1e6f8 HLT |
781 | _req->index, _req->req_virt); |
782 | ||
783 | scp->result = 0; | |
784 | ||
785 | if (scp->device->channel || scp->device->lun || | |
786 | scp->device->id > hba->max_devices) { | |
787 | scp->result = DID_BAD_TARGET << 16; | |
788 | free_req(hba, _req); | |
789 | goto cmd_done; | |
790 | } | |
791 | ||
db9b6e89 | 792 | req = _req->req_virt; |
ede1e6f8 HLT |
793 | |
794 | /* build S/G table */ | |
f9875496 FT |
795 | sg_count = hptiop_buildsgl(scp, req->sg_list); |
796 | if (!sg_count) | |
ede1e6f8 HLT |
797 | HPT_SCP(scp)->mapped = 0; |
798 | ||
799 | req->header.flags = cpu_to_le32(IOP_REQUEST_FLAG_OUTPUT_CONTEXT); | |
800 | req->header.type = cpu_to_le32(IOP_REQUEST_TYPE_SCSI_COMMAND); | |
801 | req->header.result = cpu_to_le32(IOP_RESULT_PENDING); | |
f9875496 | 802 | req->dataxfer_length = cpu_to_le32(scsi_bufflen(scp)); |
ede1e6f8 HLT |
803 | req->channel = scp->device->channel; |
804 | req->target = scp->device->id; | |
805 | req->lun = scp->device->lun; | |
806 | req->header.size = cpu_to_le32( | |
807 | sizeof(struct hpt_iop_request_scsi_command) | |
808 | - sizeof(struct hpt_iopsg) | |
809 | + sg_count * sizeof(struct hpt_iopsg)); | |
810 | ||
811 | memcpy(req->cdb, scp->cmnd, sizeof(req->cdb)); | |
00f59701 | 812 | hba->ops->post_req(hba, _req); |
ede1e6f8 HLT |
813 | return 0; |
814 | ||
815 | cmd_done: | |
816 | dprintk("scsi_done(scp=%p)\n", scp); | |
817 | scp->scsi_done(scp); | |
818 | return 0; | |
819 | } | |
820 | ||
821 | static const char *hptiop_info(struct Scsi_Host *host) | |
822 | { | |
823 | return driver_name_long; | |
824 | } | |
825 | ||
826 | static int hptiop_reset_hba(struct hptiop_hba *hba) | |
827 | { | |
828 | if (atomic_xchg(&hba->resetting, 1) == 0) { | |
829 | atomic_inc(&hba->reset_count); | |
00f59701 | 830 | hba->ops->post_msg(hba, IOPMU_INBOUND_MSG0_RESET); |
ede1e6f8 HLT |
831 | } |
832 | ||
833 | wait_event_timeout(hba->reset_wq, | |
834 | atomic_read(&hba->resetting) == 0, 60 * HZ); | |
835 | ||
836 | if (atomic_read(&hba->resetting)) { | |
af901ca1 | 837 | /* IOP is in unknown state, abort reset */ |
ede1e6f8 HLT |
838 | printk(KERN_ERR "scsi%d: reset failed\n", hba->host->host_no); |
839 | return -1; | |
840 | } | |
841 | ||
842 | if (iop_send_sync_msg(hba, | |
843 | IOPMU_INBOUND_MSG0_START_BACKGROUND_TASK, 5000)) { | |
844 | dprintk("scsi%d: fail to start background task\n", | |
845 | hba->host->host_no); | |
846 | } | |
847 | ||
848 | return 0; | |
849 | } | |
850 | ||
851 | static int hptiop_reset(struct scsi_cmnd *scp) | |
852 | { | |
853 | struct Scsi_Host * host = scp->device->host; | |
854 | struct hptiop_hba * hba = (struct hptiop_hba *)host->hostdata; | |
855 | ||
856 | printk(KERN_WARNING "hptiop_reset(%d/%d/%d) scp=%p\n", | |
857 | scp->device->host->host_no, scp->device->channel, | |
858 | scp->device->id, scp); | |
859 | ||
860 | return hptiop_reset_hba(hba)? FAILED : SUCCESS; | |
861 | } | |
862 | ||
863 | static int hptiop_adjust_disk_queue_depth(struct scsi_device *sdev, | |
e881a172 | 864 | int queue_depth, int reason) |
ede1e6f8 | 865 | { |
00f59701 HLT |
866 | struct hptiop_hba *hba = (struct hptiop_hba *)sdev->host->hostdata; |
867 | ||
e881a172 MC |
868 | if (reason != SCSI_QDEPTH_DEFAULT) |
869 | return -EOPNOTSUPP; | |
870 | ||
00f59701 HLT |
871 | if (queue_depth > hba->max_requests) |
872 | queue_depth = hba->max_requests; | |
ede1e6f8 HLT |
873 | scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, queue_depth); |
874 | return queue_depth; | |
875 | } | |
876 | ||
ee959b00 TJ |
877 | static ssize_t hptiop_show_version(struct device *dev, |
878 | struct device_attribute *attr, char *buf) | |
ede1e6f8 HLT |
879 | { |
880 | return snprintf(buf, PAGE_SIZE, "%s\n", driver_ver); | |
881 | } | |
882 | ||
ee959b00 TJ |
883 | static ssize_t hptiop_show_fw_version(struct device *dev, |
884 | struct device_attribute *attr, char *buf) | |
ede1e6f8 | 885 | { |
ee959b00 | 886 | struct Scsi_Host *host = class_to_shost(dev); |
ede1e6f8 HLT |
887 | struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata; |
888 | ||
889 | return snprintf(buf, PAGE_SIZE, "%d.%d.%d.%d\n", | |
890 | hba->firmware_version >> 24, | |
891 | (hba->firmware_version >> 16) & 0xff, | |
892 | (hba->firmware_version >> 8) & 0xff, | |
893 | hba->firmware_version & 0xff); | |
894 | } | |
895 | ||
ee959b00 | 896 | static struct device_attribute hptiop_attr_version = { |
ede1e6f8 HLT |
897 | .attr = { |
898 | .name = "driver-version", | |
899 | .mode = S_IRUGO, | |
900 | }, | |
901 | .show = hptiop_show_version, | |
902 | }; | |
903 | ||
ee959b00 | 904 | static struct device_attribute hptiop_attr_fw_version = { |
ede1e6f8 HLT |
905 | .attr = { |
906 | .name = "firmware-version", | |
907 | .mode = S_IRUGO, | |
908 | }, | |
909 | .show = hptiop_show_fw_version, | |
910 | }; | |
911 | ||
ee959b00 | 912 | static struct device_attribute *hptiop_attrs[] = { |
ede1e6f8 HLT |
913 | &hptiop_attr_version, |
914 | &hptiop_attr_fw_version, | |
915 | NULL | |
916 | }; | |
917 | ||
918 | static struct scsi_host_template driver_template = { | |
919 | .module = THIS_MODULE, | |
920 | .name = driver_name, | |
921 | .queuecommand = hptiop_queuecommand, | |
922 | .eh_device_reset_handler = hptiop_reset, | |
923 | .eh_bus_reset_handler = hptiop_reset, | |
924 | .info = hptiop_info, | |
ede1e6f8 HLT |
925 | .emulated = 0, |
926 | .use_clustering = ENABLE_CLUSTERING, | |
927 | .proc_name = driver_name, | |
928 | .shost_attrs = hptiop_attrs, | |
929 | .this_id = -1, | |
930 | .change_queue_depth = hptiop_adjust_disk_queue_depth, | |
931 | }; | |
932 | ||
00f59701 HLT |
933 | static int hptiop_internal_memalloc_mv(struct hptiop_hba *hba) |
934 | { | |
935 | hba->u.mv.internal_req = dma_alloc_coherent(&hba->pcidev->dev, | |
936 | 0x800, &hba->u.mv.internal_req_phy, GFP_KERNEL); | |
937 | if (hba->u.mv.internal_req) | |
938 | return 0; | |
939 | else | |
940 | return -1; | |
941 | } | |
942 | ||
943 | static int hptiop_internal_memfree_mv(struct hptiop_hba *hba) | |
944 | { | |
945 | if (hba->u.mv.internal_req) { | |
946 | dma_free_coherent(&hba->pcidev->dev, 0x800, | |
947 | hba->u.mv.internal_req, hba->u.mv.internal_req_phy); | |
948 | return 0; | |
949 | } else | |
950 | return -1; | |
951 | } | |
952 | ||
ede1e6f8 HLT |
953 | static int __devinit hptiop_probe(struct pci_dev *pcidev, |
954 | const struct pci_device_id *id) | |
955 | { | |
956 | struct Scsi_Host *host = NULL; | |
957 | struct hptiop_hba *hba; | |
958 | struct hpt_iop_request_get_config iop_config; | |
959 | struct hpt_iop_request_set_config set_config; | |
960 | dma_addr_t start_phy; | |
961 | void *start_virt; | |
962 | u32 offset, i, req_size; | |
963 | ||
964 | dprintk("hptiop_probe(%p)\n", pcidev); | |
965 | ||
966 | if (pci_enable_device(pcidev)) { | |
967 | printk(KERN_ERR "hptiop: fail to enable pci device\n"); | |
968 | return -ENODEV; | |
969 | } | |
970 | ||
971 | printk(KERN_INFO "adapter at PCI %d:%d:%d, IRQ %d\n", | |
972 | pcidev->bus->number, pcidev->devfn >> 3, pcidev->devfn & 7, | |
973 | pcidev->irq); | |
974 | ||
975 | pci_set_master(pcidev); | |
976 | ||
977 | /* Enable 64bit DMA if possible */ | |
6a35528a | 978 | if (pci_set_dma_mask(pcidev, DMA_BIT_MASK(64))) { |
284901a9 | 979 | if (pci_set_dma_mask(pcidev, DMA_BIT_MASK(32))) { |
ede1e6f8 HLT |
980 | printk(KERN_ERR "hptiop: fail to set dma_mask\n"); |
981 | goto disable_pci_device; | |
982 | } | |
983 | } | |
984 | ||
985 | if (pci_request_regions(pcidev, driver_name)) { | |
986 | printk(KERN_ERR "hptiop: pci_request_regions failed\n"); | |
987 | goto disable_pci_device; | |
988 | } | |
989 | ||
990 | host = scsi_host_alloc(&driver_template, sizeof(struct hptiop_hba)); | |
991 | if (!host) { | |
992 | printk(KERN_ERR "hptiop: fail to alloc scsi host\n"); | |
993 | goto free_pci_regions; | |
994 | } | |
995 | ||
996 | hba = (struct hptiop_hba *)host->hostdata; | |
997 | ||
00f59701 | 998 | hba->ops = (struct hptiop_adapter_ops *)id->driver_data; |
ede1e6f8 HLT |
999 | hba->pcidev = pcidev; |
1000 | hba->host = host; | |
1001 | hba->initialized = 0; | |
db9b6e89 | 1002 | hba->iopintf_v2 = 0; |
ede1e6f8 HLT |
1003 | |
1004 | atomic_set(&hba->resetting, 0); | |
1005 | atomic_set(&hba->reset_count, 0); | |
1006 | ||
1007 | init_waitqueue_head(&hba->reset_wq); | |
1008 | init_waitqueue_head(&hba->ioctl_wq); | |
1009 | ||
1010 | host->max_lun = 1; | |
1011 | host->max_channel = 0; | |
1012 | host->io_port = 0; | |
1013 | host->n_io_port = 0; | |
1014 | host->irq = pcidev->irq; | |
1015 | ||
00f59701 | 1016 | if (hba->ops->map_pci_bar(hba)) |
ede1e6f8 HLT |
1017 | goto free_scsi_host; |
1018 | ||
00f59701 | 1019 | if (hba->ops->iop_wait_ready(hba, 20000)) { |
ede1e6f8 HLT |
1020 | printk(KERN_ERR "scsi%d: firmware not ready\n", |
1021 | hba->host->host_no); | |
1022 | goto unmap_pci_bar; | |
1023 | } | |
1024 | ||
00f59701 HLT |
1025 | if (hba->ops->internal_memalloc) { |
1026 | if (hba->ops->internal_memalloc(hba)) { | |
1027 | printk(KERN_ERR "scsi%d: internal_memalloc failed\n", | |
1028 | hba->host->host_no); | |
1029 | goto unmap_pci_bar; | |
1030 | } | |
1031 | } | |
1032 | ||
1033 | if (hba->ops->get_config(hba, &iop_config)) { | |
ede1e6f8 HLT |
1034 | printk(KERN_ERR "scsi%d: get config failed\n", |
1035 | hba->host->host_no); | |
1036 | goto unmap_pci_bar; | |
1037 | } | |
1038 | ||
1039 | hba->max_requests = min(le32_to_cpu(iop_config.max_requests), | |
1040 | HPTIOP_MAX_REQUESTS); | |
1041 | hba->max_devices = le32_to_cpu(iop_config.max_devices); | |
1042 | hba->max_request_size = le32_to_cpu(iop_config.request_size); | |
1043 | hba->max_sg_descriptors = le32_to_cpu(iop_config.max_sg_count); | |
1044 | hba->firmware_version = le32_to_cpu(iop_config.firmware_version); | |
db9b6e89 | 1045 | hba->interface_version = le32_to_cpu(iop_config.interface_version); |
ede1e6f8 HLT |
1046 | hba->sdram_size = le32_to_cpu(iop_config.sdram_size); |
1047 | ||
db9b6e89 HLT |
1048 | if (hba->firmware_version > 0x01020000 || |
1049 | hba->interface_version > 0x01020000) | |
1050 | hba->iopintf_v2 = 1; | |
1051 | ||
ede1e6f8 HLT |
1052 | host->max_sectors = le32_to_cpu(iop_config.data_transfer_length) >> 9; |
1053 | host->max_id = le32_to_cpu(iop_config.max_devices); | |
1054 | host->sg_tablesize = le32_to_cpu(iop_config.max_sg_count); | |
1055 | host->can_queue = le32_to_cpu(iop_config.max_requests); | |
1056 | host->cmd_per_lun = le32_to_cpu(iop_config.max_requests); | |
1057 | host->max_cmd_len = 16; | |
1058 | ||
db9b6e89 HLT |
1059 | req_size = sizeof(struct hpt_iop_request_scsi_command) |
1060 | + sizeof(struct hpt_iopsg) * (hba->max_sg_descriptors - 1); | |
1061 | if ((req_size & 0x1f) != 0) | |
1062 | req_size = (req_size + 0x1f) & ~0x1f; | |
1063 | ||
1064 | memset(&set_config, 0, sizeof(struct hpt_iop_request_set_config)); | |
ede1e6f8 | 1065 | set_config.iop_id = cpu_to_le32(host->host_no); |
db9b6e89 HLT |
1066 | set_config.vbus_id = cpu_to_le16(host->host_no); |
1067 | set_config.max_host_request_size = cpu_to_le16(req_size); | |
ede1e6f8 | 1068 | |
00f59701 | 1069 | if (hba->ops->set_config(hba, &set_config)) { |
ede1e6f8 HLT |
1070 | printk(KERN_ERR "scsi%d: set config failed\n", |
1071 | hba->host->host_no); | |
1072 | goto unmap_pci_bar; | |
1073 | } | |
1074 | ||
ede1e6f8 HLT |
1075 | pci_set_drvdata(pcidev, host); |
1076 | ||
1d6f359a | 1077 | if (request_irq(pcidev->irq, hptiop_intr, IRQF_SHARED, |
ede1e6f8 HLT |
1078 | driver_name, hba)) { |
1079 | printk(KERN_ERR "scsi%d: request irq %d failed\n", | |
1080 | hba->host->host_no, pcidev->irq); | |
3e74051b | 1081 | goto unmap_pci_bar; |
ede1e6f8 HLT |
1082 | } |
1083 | ||
1084 | /* Allocate request mem */ | |
ede1e6f8 HLT |
1085 | |
1086 | dprintk("req_size=%d, max_requests=%d\n", req_size, hba->max_requests); | |
1087 | ||
1088 | hba->req_size = req_size; | |
1089 | start_virt = dma_alloc_coherent(&pcidev->dev, | |
1090 | hba->req_size*hba->max_requests + 0x20, | |
1091 | &start_phy, GFP_KERNEL); | |
1092 | ||
1093 | if (!start_virt) { | |
1094 | printk(KERN_ERR "scsi%d: fail to alloc request mem\n", | |
1095 | hba->host->host_no); | |
1096 | goto free_request_irq; | |
1097 | } | |
1098 | ||
1099 | hba->dma_coherent = start_virt; | |
1100 | hba->dma_coherent_handle = start_phy; | |
1101 | ||
1102 | if ((start_phy & 0x1f) != 0) | |
1103 | { | |
1104 | offset = ((start_phy + 0x1f) & ~0x1f) - start_phy; | |
1105 | start_phy += offset; | |
1106 | start_virt += offset; | |
1107 | } | |
1108 | ||
1109 | hba->req_list = start_virt; | |
1110 | for (i = 0; i < hba->max_requests; i++) { | |
1111 | hba->reqs[i].next = NULL; | |
1112 | hba->reqs[i].req_virt = start_virt; | |
1113 | hba->reqs[i].req_shifted_phy = start_phy >> 5; | |
1114 | hba->reqs[i].index = i; | |
1115 | free_req(hba, &hba->reqs[i]); | |
1116 | start_virt = (char *)start_virt + hba->req_size; | |
1117 | start_phy = start_phy + hba->req_size; | |
1118 | } | |
1119 | ||
1120 | /* Enable Interrupt and start background task */ | |
1121 | if (hptiop_initialize_iop(hba)) | |
1122 | goto free_request_mem; | |
1123 | ||
3e74051b CH |
1124 | if (scsi_add_host(host, &pcidev->dev)) { |
1125 | printk(KERN_ERR "scsi%d: scsi_add_host failed\n", | |
1126 | hba->host->host_no); | |
1127 | goto free_request_mem; | |
1128 | } | |
1129 | ||
ede1e6f8 HLT |
1130 | |
1131 | scsi_scan_host(host); | |
1132 | ||
1133 | dprintk("scsi%d: hptiop_probe successfully\n", hba->host->host_no); | |
1134 | return 0; | |
1135 | ||
1136 | free_request_mem: | |
1137 | dma_free_coherent(&hba->pcidev->dev, | |
00f59701 | 1138 | hba->req_size * hba->max_requests + 0x20, |
ede1e6f8 HLT |
1139 | hba->dma_coherent, hba->dma_coherent_handle); |
1140 | ||
1141 | free_request_irq: | |
1142 | free_irq(hba->pcidev->irq, hba); | |
1143 | ||
ede1e6f8 | 1144 | unmap_pci_bar: |
00f59701 HLT |
1145 | if (hba->ops->internal_memfree) |
1146 | hba->ops->internal_memfree(hba); | |
ede1e6f8 | 1147 | |
00f59701 | 1148 | hba->ops->unmap_pci_bar(hba); |
ede1e6f8 HLT |
1149 | |
1150 | free_scsi_host: | |
1151 | scsi_host_put(host); | |
1152 | ||
00f59701 HLT |
1153 | free_pci_regions: |
1154 | pci_release_regions(pcidev); | |
1155 | ||
ede1e6f8 HLT |
1156 | disable_pci_device: |
1157 | pci_disable_device(pcidev); | |
1158 | ||
1159 | dprintk("scsi%d: hptiop_probe fail\n", host->host_no); | |
1160 | return -ENODEV; | |
1161 | } | |
1162 | ||
1163 | static void hptiop_shutdown(struct pci_dev *pcidev) | |
1164 | { | |
1165 | struct Scsi_Host *host = pci_get_drvdata(pcidev); | |
1166 | struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata; | |
ede1e6f8 HLT |
1167 | |
1168 | dprintk("hptiop_shutdown(%p)\n", hba); | |
1169 | ||
1170 | /* stop the iop */ | |
1171 | if (iop_send_sync_msg(hba, IOPMU_INBOUND_MSG0_SHUTDOWN, 60000)) | |
1172 | printk(KERN_ERR "scsi%d: shutdown the iop timeout\n", | |
1173 | hba->host->host_no); | |
1174 | ||
1175 | /* disable all outbound interrupts */ | |
00f59701 HLT |
1176 | hba->ops->disable_intr(hba); |
1177 | } | |
1178 | ||
1179 | static void hptiop_disable_intr_itl(struct hptiop_hba *hba) | |
1180 | { | |
1181 | u32 int_mask; | |
1182 | ||
1183 | int_mask = readl(&hba->u.itl.iop->outbound_intmask); | |
ede1e6f8 HLT |
1184 | writel(int_mask | |
1185 | IOPMU_OUTBOUND_INT_MSG0 | IOPMU_OUTBOUND_INT_POSTQUEUE, | |
00f59701 HLT |
1186 | &hba->u.itl.iop->outbound_intmask); |
1187 | readl(&hba->u.itl.iop->outbound_intmask); | |
1188 | } | |
1189 | ||
1190 | static void hptiop_disable_intr_mv(struct hptiop_hba *hba) | |
1191 | { | |
1192 | writel(0, &hba->u.mv.regs->outbound_intmask); | |
1193 | readl(&hba->u.mv.regs->outbound_intmask); | |
ede1e6f8 HLT |
1194 | } |
1195 | ||
1196 | static void hptiop_remove(struct pci_dev *pcidev) | |
1197 | { | |
1198 | struct Scsi_Host *host = pci_get_drvdata(pcidev); | |
1199 | struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata; | |
1200 | ||
1201 | dprintk("scsi%d: hptiop_remove\n", hba->host->host_no); | |
1202 | ||
4f2ddba3 HLT |
1203 | scsi_remove_host(host); |
1204 | ||
ede1e6f8 HLT |
1205 | hptiop_shutdown(pcidev); |
1206 | ||
1207 | free_irq(hba->pcidev->irq, hba); | |
1208 | ||
1209 | dma_free_coherent(&hba->pcidev->dev, | |
1210 | hba->req_size * hba->max_requests + 0x20, | |
1211 | hba->dma_coherent, | |
1212 | hba->dma_coherent_handle); | |
1213 | ||
00f59701 HLT |
1214 | if (hba->ops->internal_memfree) |
1215 | hba->ops->internal_memfree(hba); | |
1216 | ||
1217 | hba->ops->unmap_pci_bar(hba); | |
ede1e6f8 HLT |
1218 | |
1219 | pci_release_regions(hba->pcidev); | |
1220 | pci_set_drvdata(hba->pcidev, NULL); | |
1221 | pci_disable_device(hba->pcidev); | |
1222 | ||
ede1e6f8 HLT |
1223 | scsi_host_put(host); |
1224 | } | |
1225 | ||
00f59701 HLT |
1226 | static struct hptiop_adapter_ops hptiop_itl_ops = { |
1227 | .iop_wait_ready = iop_wait_ready_itl, | |
9bcf0910 HH |
1228 | .internal_memalloc = NULL, |
1229 | .internal_memfree = NULL, | |
00f59701 HLT |
1230 | .map_pci_bar = hptiop_map_pci_bar_itl, |
1231 | .unmap_pci_bar = hptiop_unmap_pci_bar_itl, | |
1232 | .enable_intr = hptiop_enable_intr_itl, | |
1233 | .disable_intr = hptiop_disable_intr_itl, | |
1234 | .get_config = iop_get_config_itl, | |
1235 | .set_config = iop_set_config_itl, | |
1236 | .iop_intr = iop_intr_itl, | |
1237 | .post_msg = hptiop_post_msg_itl, | |
1238 | .post_req = hptiop_post_req_itl, | |
1239 | }; | |
1240 | ||
1241 | static struct hptiop_adapter_ops hptiop_mv_ops = { | |
1242 | .iop_wait_ready = iop_wait_ready_mv, | |
1243 | .internal_memalloc = hptiop_internal_memalloc_mv, | |
1244 | .internal_memfree = hptiop_internal_memfree_mv, | |
1245 | .map_pci_bar = hptiop_map_pci_bar_mv, | |
1246 | .unmap_pci_bar = hptiop_unmap_pci_bar_mv, | |
1247 | .enable_intr = hptiop_enable_intr_mv, | |
1248 | .disable_intr = hptiop_disable_intr_mv, | |
1249 | .get_config = iop_get_config_mv, | |
1250 | .set_config = iop_set_config_mv, | |
1251 | .iop_intr = iop_intr_mv, | |
1252 | .post_msg = hptiop_post_msg_mv, | |
1253 | .post_req = hptiop_post_req_mv, | |
1254 | }; | |
1255 | ||
ede1e6f8 | 1256 | static struct pci_device_id hptiop_id_table[] = { |
00f59701 HLT |
1257 | { PCI_VDEVICE(TTI, 0x3220), (kernel_ulong_t)&hptiop_itl_ops }, |
1258 | { PCI_VDEVICE(TTI, 0x3320), (kernel_ulong_t)&hptiop_itl_ops }, | |
3bfc13c2 | 1259 | { PCI_VDEVICE(TTI, 0x3410), (kernel_ulong_t)&hptiop_itl_ops }, |
00f59701 HLT |
1260 | { PCI_VDEVICE(TTI, 0x3510), (kernel_ulong_t)&hptiop_itl_ops }, |
1261 | { PCI_VDEVICE(TTI, 0x3511), (kernel_ulong_t)&hptiop_itl_ops }, | |
3bfc13c2 | 1262 | { PCI_VDEVICE(TTI, 0x3520), (kernel_ulong_t)&hptiop_itl_ops }, |
00f59701 HLT |
1263 | { PCI_VDEVICE(TTI, 0x3521), (kernel_ulong_t)&hptiop_itl_ops }, |
1264 | { PCI_VDEVICE(TTI, 0x3522), (kernel_ulong_t)&hptiop_itl_ops }, | |
dd07428b | 1265 | { PCI_VDEVICE(TTI, 0x3530), (kernel_ulong_t)&hptiop_itl_ops }, |
3bfc13c2 | 1266 | { PCI_VDEVICE(TTI, 0x3540), (kernel_ulong_t)&hptiop_itl_ops }, |
dd07428b | 1267 | { PCI_VDEVICE(TTI, 0x3560), (kernel_ulong_t)&hptiop_itl_ops }, |
dd07428b HLT |
1268 | { PCI_VDEVICE(TTI, 0x4210), (kernel_ulong_t)&hptiop_itl_ops }, |
1269 | { PCI_VDEVICE(TTI, 0x4211), (kernel_ulong_t)&hptiop_itl_ops }, | |
1270 | { PCI_VDEVICE(TTI, 0x4310), (kernel_ulong_t)&hptiop_itl_ops }, | |
1271 | { PCI_VDEVICE(TTI, 0x4311), (kernel_ulong_t)&hptiop_itl_ops }, | |
3bfc13c2 HLT |
1272 | { PCI_VDEVICE(TTI, 0x4320), (kernel_ulong_t)&hptiop_itl_ops }, |
1273 | { PCI_VDEVICE(TTI, 0x4321), (kernel_ulong_t)&hptiop_itl_ops }, | |
1274 | { PCI_VDEVICE(TTI, 0x4322), (kernel_ulong_t)&hptiop_itl_ops }, | |
1275 | { PCI_VDEVICE(TTI, 0x4400), (kernel_ulong_t)&hptiop_itl_ops }, | |
00f59701 HLT |
1276 | { PCI_VDEVICE(TTI, 0x3120), (kernel_ulong_t)&hptiop_mv_ops }, |
1277 | { PCI_VDEVICE(TTI, 0x3122), (kernel_ulong_t)&hptiop_mv_ops }, | |
1278 | { PCI_VDEVICE(TTI, 0x3020), (kernel_ulong_t)&hptiop_mv_ops }, | |
ede1e6f8 HLT |
1279 | {}, |
1280 | }; | |
1281 | ||
1282 | MODULE_DEVICE_TABLE(pci, hptiop_id_table); | |
1283 | ||
1284 | static struct pci_driver hptiop_pci_driver = { | |
1285 | .name = driver_name, | |
1286 | .id_table = hptiop_id_table, | |
1287 | .probe = hptiop_probe, | |
1288 | .remove = hptiop_remove, | |
1289 | .shutdown = hptiop_shutdown, | |
1290 | }; | |
1291 | ||
1292 | static int __init hptiop_module_init(void) | |
1293 | { | |
ede1e6f8 | 1294 | printk(KERN_INFO "%s %s\n", driver_name_long, driver_ver); |
3e74051b | 1295 | return pci_register_driver(&hptiop_pci_driver); |
ede1e6f8 HLT |
1296 | } |
1297 | ||
1298 | static void __exit hptiop_module_exit(void) | |
1299 | { | |
ede1e6f8 HLT |
1300 | pci_unregister_driver(&hptiop_pci_driver); |
1301 | } | |
1302 | ||
1303 | ||
1304 | module_init(hptiop_module_init); | |
1305 | module_exit(hptiop_module_exit); | |
1306 | ||
1307 | MODULE_LICENSE("GPL"); | |
db9b6e89 | 1308 |