xref: /linux/drivers/scsi/hptiop.c (revision e0e53dee69e07e9446eb16ceabd55a1116611696)
1 /*
2  * HighPoint RR3xxx/4xxx controller driver for Linux
3  * Copyright (C) 2006-2009 HighPoint Technologies, Inc. All Rights Reserved.
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; version 2 of the License.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * Please report bugs/comments/suggestions to linux@highpoint-tech.com
15  *
16  * For more information, visit http://www.highpoint-tech.com
17  */
18 #include <linux/module.h>
19 #include <linux/types.h>
20 #include <linux/string.h>
21 #include <linux/kernel.h>
22 #include <linux/pci.h>
23 #include <linux/interrupt.h>
24 #include <linux/errno.h>
25 #include <linux/delay.h>
26 #include <linux/timer.h>
27 #include <linux/spinlock.h>
28 #include <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.");
40 MODULE_DESCRIPTION("HighPoint RocketRAID 3xxx/4xxx Controller Driver");
41 
42 static char driver_name[] = "hptiop";
43 static const char driver_name_long[] = "RocketRAID 3xxx/4xxx Controller driver";
44 static const char driver_ver[] = "v1.6 (090910)";
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);
51 static void hptiop_message_callback(struct hptiop_hba *hba, u32 msg);
52 
53 static int iop_wait_ready_itl(struct hptiop_hba *hba, u32 millisec)
54 {
55 	u32 req = 0;
56 	int i;
57 
58 	for (i = 0; i < millisec; i++) {
59 		req = readl(&hba->u.itl.iop->inbound_queue);
60 		if (req != IOPMU_QUEUE_EMPTY)
61 			break;
62 		msleep(1);
63 	}
64 
65 	if (req != IOPMU_QUEUE_EMPTY) {
66 		writel(req, &hba->u.itl.iop->outbound_queue);
67 		readl(&hba->u.itl.iop->outbound_intstatus);
68 		return 0;
69 	}
70 
71 	return -1;
72 }
73 
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)
80 {
81 	if (tag & IOPMU_QUEUE_ADDR_HOST_BIT)
82 		hptiop_host_request_callback_itl(hba,
83 				tag & ~IOPMU_QUEUE_ADDR_HOST_BIT);
84 	else
85 		hptiop_iop_request_callback_itl(hba, tag);
86 }
87 
88 static void hptiop_drain_outbound_queue_itl(struct hptiop_hba *hba)
89 {
90 	u32 req;
91 
92 	while ((req = readl(&hba->u.itl.iop->outbound_queue)) !=
93 						IOPMU_QUEUE_EMPTY) {
94 
95 		if (req & IOPMU_QUEUE_MASK_HOST_BITS)
96 			hptiop_request_callback_itl(hba, req);
97 		else {
98 			struct hpt_iop_request_header __iomem * p;
99 
100 			p = (struct hpt_iop_request_header __iomem *)
101 				((char __iomem *)hba->u.itl.iop + req);
102 
103 			if (readl(&p->flags) & IOP_REQUEST_FLAG_SYNC_REQUEST) {
104 				if (readl(&p->context))
105 					hptiop_request_callback_itl(hba, req);
106 				else
107 					writel(1, &p->context);
108 			}
109 			else
110 				hptiop_request_callback_itl(hba, req);
111 		}
112 	}
113 }
114 
115 static int iop_intr_itl(struct hptiop_hba *hba)
116 {
117 	struct hpt_iopmu_itl __iomem *iop = hba->u.itl.iop;
118 	void __iomem *plx = hba->u.itl.plx;
119 	u32 status;
120 	int ret = 0;
121 
122 	if (plx && readl(plx + 0x11C5C) & 0xf)
123 		writel(1, plx + 0x11C60);
124 
125 	status = readl(&iop->outbound_intstatus);
126 
127 	if (status & IOPMU_OUTBOUND_INT_MSG0) {
128 		u32 msg = readl(&iop->outbound_msgaddr0);
129 
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) {
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);
226 		ret = 1;
227 	}
228 
229 	return ret;
230 }
231 
232 static int iop_send_sync_request_itl(struct hptiop_hba *hba,
233 					void __iomem *_req, u32 millisec)
234 {
235 	struct hpt_iop_request_header __iomem *req = _req;
236 	u32 i;
237 
238 	writel(readl(&req->flags) | IOP_REQUEST_FLAG_SYNC_REQUEST, &req->flags);
239 	writel(0, &req->context);
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);
243 
244 	for (i = 0; i < millisec; i++) {
245 		iop_intr_itl(hba);
246 		if (readl(&req->context))
247 			return 0;
248 		msleep(1);
249 	}
250 
251 	return -1;
252 }
253 
254 static int iop_send_sync_request_mv(struct hptiop_hba *hba,
255 					u32 size_bits, u32 millisec)
256 {
257 	struct hpt_iop_request_header *reqhdr = hba->u.mv.internal_req;
258 	u32 i;
259 
260 	hba->msg_done = 0;
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 }
286 
287 static int iop_send_sync_msg(struct hptiop_hba *hba, u32 msg, u32 millisec)
288 {
289 	u32 i;
290 
291 	hba->msg_done = 0;
292 	hba->ops->post_msg(hba, msg);
293 
294 	for (i = 0; i < millisec; i++) {
295 		spin_lock_irq(hba->host->host_lock);
296 		hba->ops->iop_intr(hba);
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 
306 static int iop_get_config_itl(struct hptiop_hba *hba,
307 				struct hpt_iop_request_get_config *config)
308 {
309 	u32 req32;
310 	struct hpt_iop_request_get_config __iomem *req;
311 
312 	req32 = readl(&hba->u.itl.iop->inbound_queue);
313 	if (req32 == IOPMU_QUEUE_EMPTY)
314 		return -1;
315 
316 	req = (struct hpt_iop_request_get_config __iomem *)
317 			((unsigned long)hba->u.itl.iop + req32);
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 
324 	if (iop_send_sync_request_itl(hba, req, 20000)) {
325 		dprintk("Get config send cmd failed\n");
326 		return -1;
327 	}
328 
329 	memcpy_fromio(config, req, sizeof(*config));
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);
344 	req->header.context = cpu_to_le32(IOP_REQUEST_TYPE_GET_CONFIG<<5);
345 	req->header.context_hi32 = 0;
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));
353 	return 0;
354 }
355 
356 static int iop_set_config_itl(struct hptiop_hba *hba,
357 				struct hpt_iop_request_set_config *config)
358 {
359 	u32 req32;
360 	struct hpt_iop_request_set_config __iomem *req;
361 
362 	req32 = readl(&hba->u.itl.iop->inbound_queue);
363 	if (req32 == IOPMU_QUEUE_EMPTY)
364 		return -1;
365 
366 	req = (struct hpt_iop_request_set_config __iomem *)
367 			((unsigned long)hba->u.itl.iop + req32);
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 
379 	if (iop_send_sync_request_itl(hba, req, 20000)) {
380 		dprintk("Set config send cmd failed\n");
381 		return -1;
382 	}
383 
384 	writel(req32, &hba->u.itl.iop->outbound_queue);
385 	return 0;
386 }
387 
388 static int iop_set_config_mv(struct hptiop_hba *hba,
389 				struct hpt_iop_request_set_config *config)
390 {
391 	struct hpt_iop_request_set_config *req = hba->u.mv.internal_req;
392 
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);
399 	req->header.context = cpu_to_le32(IOP_REQUEST_TYPE_SET_CONFIG<<5);
400 	req->header.context_hi32 = 0;
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 {
412 	writel(~(IOPMU_OUTBOUND_INT_POSTQUEUE | IOPMU_OUTBOUND_INT_MSG0),
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);
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 
439 static void __iomem *hptiop_map_pci_bar(struct hptiop_hba *hba, int index)
440 {
441 	u32 mem_base_phy, length;
442 	void __iomem *mem_base_virt;
443 
444 	struct pci_dev *pcidev = hba->pcidev;
445 
446 
447 	if (!(pci_resource_flags(pcidev, index) & IORESOURCE_MEM)) {
448 		printk(KERN_ERR "scsi%d: pci resource invalid\n",
449 				hba->host->host_no);
450 		return NULL;
451 	}
452 
453 	mem_base_phy = pci_resource_start(pcidev, index);
454 	length = pci_resource_len(pcidev, index);
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);
460 		return NULL;
461 	}
462 	return mem_base_virt;
463 }
464 
465 static int hptiop_map_pci_bar_itl(struct hptiop_hba *hba)
466 {
467 	struct pci_dev *pcidev = hba->pcidev;
468 	hba->u.itl.iop = hptiop_map_pci_bar(hba, 0);
469 	if (hba->u.itl.iop == NULL)
470 		return -1;
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;
480 }
481 
482 static void hptiop_unmap_pci_bar_itl(struct hptiop_hba *hba)
483 {
484 	if (hba->u.itl.plx)
485 		iounmap(hba->u.itl.plx);
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);
492 	if (hba->u.mv.regs == NULL)
493 		return -1;
494 
495 	hba->u.mv.mu = hptiop_map_pci_bar(hba, 2);
496 	if (hba->u.mv.mu == NULL) {
497 		iounmap(hba->u.mv.regs);
498 		return -1;
499 	}
500 
501 	return 0;
502 }
503 
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 
510 static void hptiop_message_callback(struct hptiop_hba *hba, u32 msg)
511 {
512 	dprintk("iop message 0x%x\n", msg);
513 
514 	if (msg == IOPMU_INBOUND_MSG0_NOP)
515 		hba->msg_done = 1;
516 
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 
528 static struct hptiop_request *get_req(struct hptiop_hba *hba)
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 
541 static void free_req(struct hptiop_hba *hba, struct hptiop_request *req)
542 {
543 	dprintk("free_req(%d, %p)\n", req->index, req);
544 	req->next = hba->req_list;
545 	hba->req_list = req;
546 }
547 
548 static void hptiop_finish_scsi_req(struct hptiop_hba *hba, u32 tag,
549 				struct hpt_iop_request_scsi_command *req)
550 {
551 	struct scsi_cmnd *scp;
552 
553 	dprintk("hptiop_finish_scsi_req: req=%p, type=%d, "
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 
563 	if (HPT_SCP(scp)->mapped)
564 		scsi_dma_unmap(scp);
565 
566 	switch (le32_to_cpu(req->header.result)) {
567 	case IOP_RESULT_SUCCESS:
568 		scsi_set_resid(scp,
569 			scsi_bufflen(scp) - le32_to_cpu(req->dataxfer_length));
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;
587 	case IOP_RESULT_CHECK_CONDITION:
588 		scsi_set_resid(scp,
589 			scsi_bufflen(scp) - le32_to_cpu(req->dataxfer_length));
590 		scp->result = SAM_STAT_CHECK_CONDITION;
591 		memcpy(scp->sense_buffer, &req->sg_list,
592 				min_t(size_t, SCSI_SENSE_BUFFERSIZE,
593 					le32_to_cpu(req->dataxfer_length)));
594 		break;
595 
596 	default:
597 		scp->result = DRIVER_INVALID << 24 | DID_ABORT << 16;
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 
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)
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 *)
631 			((unsigned long)hba->u.itl.iop + tag);
632 	dprintk("hptiop_iop_request_callback_itl: req=%p, type=%d, "
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);
660 	writel(tag, &hba->u.itl.iop->outbound_queue);
661 }
662 
663 static irqreturn_t hptiop_intr(int irq, void *dev_id)
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);
670 	handled = hba->ops->iop_intr(hba);
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;
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;
687 
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;
698 	}
699 	return HPT_SCP(scp)->sgcnt;
700 }
701 
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 
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 
765 	_req = get_req(hba);
766 	if (_req == NULL) {
767 		dprintk("hptiop_queuecmd : no free req\n");
768 		return SCSI_MLQUEUE_HOST_BUSY;
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,
778 			((u32 *)scp->cmnd)[0],
779 			((u32 *)scp->cmnd)[1],
780 			((u32 *)scp->cmnd)[2],
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 
792 	req = _req->req_virt;
793 
794 	/* build S/G table */
795 	sg_count = hptiop_buildsgl(scp, req->sg_list);
796 	if (!sg_count)
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);
802 	req->dataxfer_length = cpu_to_le32(scsi_bufflen(scp));
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));
812 	hba->ops->post_req(hba, _req);
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);
830 		hba->ops->post_msg(hba, IOPMU_INBOUND_MSG0_RESET);
831 	}
832 
833 	wait_event_timeout(hba->reset_wq,
834 			atomic_read(&hba->resetting) == 0, 60 * HZ);
835 
836 	if (atomic_read(&hba->resetting)) {
837 		/* IOP is in unknown state, abort reset */
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,
864 					  int queue_depth, int reason)
865 {
866 	struct hptiop_hba *hba = (struct hptiop_hba *)sdev->host->hostdata;
867 
868 	if (reason != SCSI_QDEPTH_DEFAULT)
869 		return -EOPNOTSUPP;
870 
871 	if (queue_depth > hba->max_requests)
872 		queue_depth = hba->max_requests;
873 	scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, queue_depth);
874 	return queue_depth;
875 }
876 
877 static ssize_t hptiop_show_version(struct device *dev,
878 				   struct device_attribute *attr, char *buf)
879 {
880 	return snprintf(buf, PAGE_SIZE, "%s\n", driver_ver);
881 }
882 
883 static ssize_t hptiop_show_fw_version(struct device *dev,
884 				      struct device_attribute *attr, char *buf)
885 {
886 	struct Scsi_Host *host = class_to_shost(dev);
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 
896 static struct device_attribute hptiop_attr_version = {
897 	.attr = {
898 		.name = "driver-version",
899 		.mode = S_IRUGO,
900 	},
901 	.show = hptiop_show_version,
902 };
903 
904 static struct device_attribute hptiop_attr_fw_version = {
905 	.attr = {
906 		.name = "firmware-version",
907 		.mode = S_IRUGO,
908 	},
909 	.show = hptiop_show_fw_version,
910 };
911 
912 static struct device_attribute *hptiop_attrs[] = {
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,
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 
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 
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 */
978 	if (pci_set_dma_mask(pcidev, DMA_BIT_MASK(64))) {
979 		if (pci_set_dma_mask(pcidev, DMA_BIT_MASK(32))) {
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 
998 	hba->ops = (struct hptiop_adapter_ops *)id->driver_data;
999 	hba->pcidev = pcidev;
1000 	hba->host = host;
1001 	hba->initialized = 0;
1002 	hba->iopintf_v2 = 0;
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 
1016 	if (hba->ops->map_pci_bar(hba))
1017 		goto free_scsi_host;
1018 
1019 	if (hba->ops->iop_wait_ready(hba, 20000)) {
1020 		printk(KERN_ERR "scsi%d: firmware not ready\n",
1021 				hba->host->host_no);
1022 		goto unmap_pci_bar;
1023 	}
1024 
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)) {
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);
1045 	hba->interface_version = le32_to_cpu(iop_config.interface_version);
1046 	hba->sdram_size = le32_to_cpu(iop_config.sdram_size);
1047 
1048 	if (hba->firmware_version > 0x01020000 ||
1049 			hba->interface_version > 0x01020000)
1050 		hba->iopintf_v2 = 1;
1051 
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 
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));
1065 	set_config.iop_id = cpu_to_le32(host->host_no);
1066 	set_config.vbus_id = cpu_to_le16(host->host_no);
1067 	set_config.max_host_request_size = cpu_to_le16(req_size);
1068 
1069 	if (hba->ops->set_config(hba, &set_config)) {
1070 		printk(KERN_ERR "scsi%d: set config failed\n",
1071 				hba->host->host_no);
1072 		goto unmap_pci_bar;
1073 	}
1074 
1075 	pci_set_drvdata(pcidev, host);
1076 
1077 	if (request_irq(pcidev->irq, hptiop_intr, IRQF_SHARED,
1078 					driver_name, hba)) {
1079 		printk(KERN_ERR "scsi%d: request irq %d failed\n",
1080 					hba->host->host_no, pcidev->irq);
1081 		goto unmap_pci_bar;
1082 	}
1083 
1084 	/* Allocate request mem */
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 
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 
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,
1138 			hba->req_size * hba->max_requests + 0x20,
1139 			hba->dma_coherent, hba->dma_coherent_handle);
1140 
1141 free_request_irq:
1142 	free_irq(hba->pcidev->irq, hba);
1143 
1144 unmap_pci_bar:
1145 	if (hba->ops->internal_memfree)
1146 		hba->ops->internal_memfree(hba);
1147 
1148 	hba->ops->unmap_pci_bar(hba);
1149 
1150 free_scsi_host:
1151 	scsi_host_put(host);
1152 
1153 free_pci_regions:
1154 	pci_release_regions(pcidev);
1155 
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;
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 */
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);
1184 	writel(int_mask |
1185 		IOPMU_OUTBOUND_INT_MSG0 | IOPMU_OUTBOUND_INT_POSTQUEUE,
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);
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 
1203 	scsi_remove_host(host);
1204 
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 
1214 	if (hba->ops->internal_memfree)
1215 		hba->ops->internal_memfree(hba);
1216 
1217 	hba->ops->unmap_pci_bar(hba);
1218 
1219 	pci_release_regions(hba->pcidev);
1220 	pci_set_drvdata(hba->pcidev, NULL);
1221 	pci_disable_device(hba->pcidev);
1222 
1223 	scsi_host_put(host);
1224 }
1225 
1226 static struct hptiop_adapter_ops hptiop_itl_ops = {
1227 	.iop_wait_ready    = iop_wait_ready_itl,
1228 	.internal_memalloc = NULL,
1229 	.internal_memfree  = NULL,
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 
1256 static struct pci_device_id hptiop_id_table[] = {
1257 	{ PCI_VDEVICE(TTI, 0x3220), (kernel_ulong_t)&hptiop_itl_ops },
1258 	{ PCI_VDEVICE(TTI, 0x3320), (kernel_ulong_t)&hptiop_itl_ops },
1259 	{ PCI_VDEVICE(TTI, 0x3410), (kernel_ulong_t)&hptiop_itl_ops },
1260 	{ PCI_VDEVICE(TTI, 0x3510), (kernel_ulong_t)&hptiop_itl_ops },
1261 	{ PCI_VDEVICE(TTI, 0x3511), (kernel_ulong_t)&hptiop_itl_ops },
1262 	{ PCI_VDEVICE(TTI, 0x3520), (kernel_ulong_t)&hptiop_itl_ops },
1263 	{ PCI_VDEVICE(TTI, 0x3521), (kernel_ulong_t)&hptiop_itl_ops },
1264 	{ PCI_VDEVICE(TTI, 0x3522), (kernel_ulong_t)&hptiop_itl_ops },
1265 	{ PCI_VDEVICE(TTI, 0x3530), (kernel_ulong_t)&hptiop_itl_ops },
1266 	{ PCI_VDEVICE(TTI, 0x3540), (kernel_ulong_t)&hptiop_itl_ops },
1267 	{ PCI_VDEVICE(TTI, 0x3560), (kernel_ulong_t)&hptiop_itl_ops },
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 },
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 },
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 },
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 {
1294 	printk(KERN_INFO "%s %s\n", driver_name_long, driver_ver);
1295 	return pci_register_driver(&hptiop_pci_driver);
1296 }
1297 
1298 static void __exit hptiop_module_exit(void)
1299 {
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");
1308 
1309