2 * HighPoint RR3xxx/4xxx controller driver for Linux
3 * Copyright (C) 2006-2009 HighPoint Technologies, Inc. All Rights Reserved.
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.
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.
14 * Please report bugs/comments/suggestions to linux@highpoint-tech.com
16 * For more information, visit http://www.highpoint-tech.com
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>
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>
39 MODULE_AUTHOR("HighPoint Technologies, Inc.");
40 MODULE_DESCRIPTION("HighPoint RocketRAID 3xxx/4xxx Controller Driver");
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)";
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
);
53 static int iop_wait_ready_itl(struct hptiop_hba
*hba
, u32 millisec
)
58 for (i
= 0; i
< millisec
; i
++) {
59 req
= readl(&hba
->u
.itl
.iop
->inbound_queue
);
60 if (req
!= IOPMU_QUEUE_EMPTY
)
65 if (req
!= IOPMU_QUEUE_EMPTY
) {
66 writel(req
, &hba
->u
.itl
.iop
->outbound_queue
);
67 readl(&hba
->u
.itl
.iop
->outbound_intstatus
);
74 static int iop_wait_ready_mv(struct hptiop_hba
*hba
, u32 millisec
)
76 return iop_send_sync_msg(hba
, IOPMU_INBOUND_MSG0_NOP
, millisec
);
79 static void hptiop_request_callback_itl(struct hptiop_hba
*hba
, u32 tag
)
81 if (tag
& IOPMU_QUEUE_ADDR_HOST_BIT
)
82 hptiop_host_request_callback_itl(hba
,
83 tag
& ~IOPMU_QUEUE_ADDR_HOST_BIT
);
85 hptiop_iop_request_callback_itl(hba
, tag
);
88 static void hptiop_drain_outbound_queue_itl(struct hptiop_hba
*hba
)
92 while ((req
= readl(&hba
->u
.itl
.iop
->outbound_queue
)) !=
95 if (req
& IOPMU_QUEUE_MASK_HOST_BITS
)
96 hptiop_request_callback_itl(hba
, req
);
98 struct hpt_iop_request_header __iomem
* p
;
100 p
= (struct hpt_iop_request_header __iomem
*)
101 ((char __iomem
*)hba
->u
.itl
.iop
+ req
);
103 if (readl(&p
->flags
) & IOP_REQUEST_FLAG_SYNC_REQUEST
) {
104 if (readl(&p
->context
))
105 hptiop_request_callback_itl(hba
, req
);
107 writel(1, &p
->context
);
110 hptiop_request_callback_itl(hba
, req
);
115 static int iop_intr_itl(struct hptiop_hba
*hba
)
117 struct hpt_iopmu_itl __iomem
*iop
= hba
->u
.itl
.iop
;
118 void __iomem
*plx
= hba
->u
.itl
.plx
;
122 if (plx
&& readl(plx
+ 0x11C5C) & 0xf)
123 writel(1, plx
+ 0x11C60);
125 status
= readl(&iop
->outbound_intstatus
);
127 if (status
& IOPMU_OUTBOUND_INT_MSG0
) {
128 u32 msg
= readl(&iop
->outbound_msgaddr0
);
130 dprintk("received outbound msg %x\n", msg
);
131 writel(IOPMU_OUTBOUND_INT_MSG0
, &iop
->outbound_intstatus
);
132 hptiop_message_callback(hba
, msg
);
136 if (status
& IOPMU_OUTBOUND_INT_POSTQUEUE
) {
137 hptiop_drain_outbound_queue_itl(hba
);
144 static u64
mv_outbound_read(struct hpt_iopmu_mv __iomem
*mu
)
146 u32 outbound_tail
= readl(&mu
->outbound_tail
);
147 u32 outbound_head
= readl(&mu
->outbound_head
);
149 if (outbound_tail
!= outbound_head
) {
152 memcpy_fromio(&p
, &mu
->outbound_q
[mu
->outbound_tail
], 8);
155 if (outbound_tail
== MVIOP_QUEUE_LEN
)
157 writel(outbound_tail
, &mu
->outbound_tail
);
163 static void mv_inbound_write(u64 p
, struct hptiop_hba
*hba
)
165 u32 inbound_head
= readl(&hba
->u
.mv
.mu
->inbound_head
);
166 u32 head
= inbound_head
+ 1;
168 if (head
== MVIOP_QUEUE_LEN
)
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
);
177 static void hptiop_request_callback_mv(struct hptiop_hba
*hba
, u64 tag
)
179 u32 req_type
= (tag
>> 5) & 0x7;
180 struct hpt_iop_request_scsi_command
*req
;
182 dprintk("hptiop_request_callback_mv: tag=%llx\n", tag
);
184 BUG_ON((tag
& MVIOP_MU_QUEUE_REQUEST_RETURN_CONTEXT
) == 0);
187 case IOP_REQUEST_TYPE_GET_CONFIG
:
188 case IOP_REQUEST_TYPE_SET_CONFIG
:
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
);
197 hptiop_finish_scsi_req(hba
, tag
>>8, req
);
205 static int iop_intr_mv(struct hptiop_hba
*hba
)
210 status
= readl(&hba
->u
.mv
.regs
->outbound_doorbell
);
211 writel(~status
, &hba
->u
.mv
.regs
->outbound_doorbell
);
213 if (status
& MVIOP_MU_OUTBOUND_INT_MSG
) {
215 msg
= readl(&hba
->u
.mv
.mu
->outbound_msg
);
216 dprintk("received outbound msg %x\n", msg
);
217 hptiop_message_callback(hba
, msg
);
221 if (status
& MVIOP_MU_OUTBOUND_INT_POSTQUEUE
) {
224 while ((tag
= mv_outbound_read(hba
->u
.mv
.mu
)))
225 hptiop_request_callback_mv(hba
, tag
);
232 static int iop_send_sync_request_itl(struct hptiop_hba
*hba
,
233 void __iomem
*_req
, u32 millisec
)
235 struct hpt_iop_request_header __iomem
*req
= _req
;
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
);
244 for (i
= 0; i
< millisec
; i
++) {
246 if (readl(&req
->context
))
254 static int iop_send_sync_request_mv(struct hptiop_hba
*hba
,
255 u32 size_bits
, u32 millisec
)
257 struct hpt_iop_request_header
*reqhdr
= hba
->u
.mv
.internal_req
;
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
);
265 for (i
= 0; i
< millisec
; i
++) {
274 static void hptiop_post_msg_itl(struct hptiop_hba
*hba
, u32 msg
)
276 writel(msg
, &hba
->u
.itl
.iop
->inbound_msgaddr0
);
277 readl(&hba
->u
.itl
.iop
->outbound_intstatus
);
280 static void hptiop_post_msg_mv(struct hptiop_hba
*hba
, u32 msg
)
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
);
287 static int iop_send_sync_msg(struct hptiop_hba
*hba
, u32 msg
, u32 millisec
)
292 hba
->ops
->post_msg(hba
, msg
);
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
);
303 return hba
->msg_done
? 0 : -1;
306 static int iop_get_config_itl(struct hptiop_hba
*hba
,
307 struct hpt_iop_request_get_config
*config
)
310 struct hpt_iop_request_get_config __iomem
*req
;
312 req32
= readl(&hba
->u
.itl
.iop
->inbound_queue
);
313 if (req32
== IOPMU_QUEUE_EMPTY
)
316 req
= (struct hpt_iop_request_get_config __iomem
*)
317 ((unsigned long)hba
->u
.itl
.iop
+ req32
);
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
);
324 if (iop_send_sync_request_itl(hba
, req
, 20000)) {
325 dprintk("Get config send cmd failed\n");
329 memcpy_fromio(config
, req
, sizeof(*config
));
330 writel(req32
, &hba
->u
.itl
.iop
->outbound_queue
);
334 static int iop_get_config_mv(struct hptiop_hba
*hba
,
335 struct hpt_iop_request_get_config
*config
)
337 struct hpt_iop_request_get_config
*req
= hba
->u
.mv
.internal_req
;
339 req
->header
.flags
= cpu_to_le32(IOP_REQUEST_FLAG_OUTPUT_CONTEXT
);
340 req
->header
.type
= cpu_to_le32(IOP_REQUEST_TYPE_GET_CONFIG
);
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;
347 if (iop_send_sync_request_mv(hba
, 0, 20000)) {
348 dprintk("Get config send cmd failed\n");
352 memcpy(config
, req
, sizeof(struct hpt_iop_request_get_config
));
356 static int iop_set_config_itl(struct hptiop_hba
*hba
,
357 struct hpt_iop_request_set_config
*config
)
360 struct hpt_iop_request_set_config __iomem
*req
;
362 req32
= readl(&hba
->u
.itl
.iop
->inbound_queue
);
363 if (req32
== IOPMU_QUEUE_EMPTY
)
366 req
= (struct hpt_iop_request_set_config __iomem
*)
367 ((unsigned long)hba
->u
.itl
.iop
+ req32
);
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
));
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
);
379 if (iop_send_sync_request_itl(hba
, req
, 20000)) {
380 dprintk("Set config send cmd failed\n");
384 writel(req32
, &hba
->u
.itl
.iop
->outbound_queue
);
388 static int iop_set_config_mv(struct hptiop_hba
*hba
,
389 struct hpt_iop_request_set_config
*config
)
391 struct hpt_iop_request_set_config
*req
= hba
->u
.mv
.internal_req
;
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
);
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;
402 if (iop_send_sync_request_mv(hba
, 0, 20000)) {
403 dprintk("Set config send cmd failed\n");
410 static void hptiop_enable_intr_itl(struct hptiop_hba
*hba
)
412 writel(~(IOPMU_OUTBOUND_INT_POSTQUEUE
| IOPMU_OUTBOUND_INT_MSG0
),
413 &hba
->u
.itl
.iop
->outbound_intmask
);
416 static void hptiop_enable_intr_mv(struct hptiop_hba
*hba
)
418 writel(MVIOP_MU_OUTBOUND_INT_POSTQUEUE
| MVIOP_MU_OUTBOUND_INT_MSG
,
419 &hba
->u
.mv
.regs
->outbound_intmask
);
422 static int hptiop_initialize_iop(struct hptiop_hba
*hba
)
424 /* enable interrupts */
425 hba
->ops
->enable_intr(hba
);
427 hba
->initialized
= 1;
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",
439 static void __iomem
*hptiop_map_pci_bar(struct hptiop_hba
*hba
, int index
)
441 u32 mem_base_phy
, length
;
442 void __iomem
*mem_base_virt
;
444 struct pci_dev
*pcidev
= hba
->pcidev
;
447 if (!(pci_resource_flags(pcidev
, index
) & IORESOURCE_MEM
)) {
448 printk(KERN_ERR
"scsi%d: pci resource invalid\n",
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
);
457 if (!mem_base_virt
) {
458 printk(KERN_ERR
"scsi%d: Fail to ioremap memory space\n",
462 return mem_base_virt
;
465 static int hptiop_map_pci_bar_itl(struct hptiop_hba
*hba
)
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
)
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
);
482 static void hptiop_unmap_pci_bar_itl(struct hptiop_hba
*hba
)
485 iounmap(hba
->u
.itl
.plx
);
486 iounmap(hba
->u
.itl
.iop
);
489 static int hptiop_map_pci_bar_mv(struct hptiop_hba
*hba
)
491 hba
->u
.mv
.regs
= hptiop_map_pci_bar(hba
, 0);
492 if (hba
->u
.mv
.regs
== NULL
)
495 hba
->u
.mv
.mu
= hptiop_map_pci_bar(hba
, 2);
496 if (hba
->u
.mv
.mu
== NULL
) {
497 iounmap(hba
->u
.mv
.regs
);
504 static void hptiop_unmap_pci_bar_mv(struct hptiop_hba
*hba
)
506 iounmap(hba
->u
.mv
.regs
);
507 iounmap(hba
->u
.mv
.mu
);
510 static void hptiop_message_callback(struct hptiop_hba
*hba
, u32 msg
)
512 dprintk("iop message 0x%x\n", msg
);
514 if (msg
== IOPMU_INBOUND_MSG0_NOP
)
517 if (!hba
->initialized
)
520 if (msg
== IOPMU_INBOUND_MSG0_RESET
) {
521 atomic_set(&hba
->resetting
, 0);
522 wake_up(&hba
->reset_wq
);
524 else if (msg
<= IOPMU_INBOUND_MSG0_MAX
)
528 static struct hptiop_request
*get_req(struct hptiop_hba
*hba
)
530 struct hptiop_request
*ret
;
532 dprintk("get_req : req=%p\n", hba
->req_list
);
536 hba
->req_list
= ret
->next
;
541 static void free_req(struct hptiop_hba
*hba
, struct hptiop_request
*req
)
543 dprintk("free_req(%d, %p)\n", req
->index
, req
);
544 req
->next
= hba
->req_list
;
548 static void hptiop_finish_scsi_req(struct hptiop_hba
*hba
, u32 tag
,
549 struct hpt_iop_request_scsi_command
*req
)
551 struct scsi_cmnd
*scp
;
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
);
558 BUG_ON(!req
->header
.result
);
559 BUG_ON(req
->header
.type
!= cpu_to_le32(IOP_REQUEST_TYPE_SCSI_COMMAND
));
561 scp
= hba
->reqs
[tag
].scp
;
563 if (HPT_SCP(scp
)->mapped
)
566 switch (le32_to_cpu(req
->header
.result
)) {
567 case IOP_RESULT_SUCCESS
:
569 scsi_bufflen(scp
) - le32_to_cpu(req
->dataxfer_length
));
570 scp
->result
= (DID_OK
<<16);
572 case IOP_RESULT_BAD_TARGET
:
573 scp
->result
= (DID_BAD_TARGET
<<16);
575 case IOP_RESULT_BUSY
:
576 scp
->result
= (DID_BUS_BUSY
<<16);
578 case IOP_RESULT_RESET
:
579 scp
->result
= (DID_RESET
<<16);
581 case IOP_RESULT_FAIL
:
582 scp
->result
= (DID_ERROR
<<16);
584 case IOP_RESULT_INVALID_REQUEST
:
585 scp
->result
= (DID_ABORT
<<16);
587 case IOP_RESULT_CHECK_CONDITION
:
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
)));
597 scp
->result
= DRIVER_INVALID
<< 24 | DID_ABORT
<< 16;
601 dprintk("scsi_done(%p)\n", scp
);
603 free_req(hba
, &hba
->reqs
[tag
]);
606 static void hptiop_host_request_callback_itl(struct hptiop_hba
*hba
, u32 _tag
)
608 struct hpt_iop_request_scsi_command
*req
;
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
);
618 req
= hba
->reqs
[tag
].req_virt
;
621 hptiop_finish_scsi_req(hba
, tag
, req
);
624 void hptiop_iop_request_callback_itl(struct hptiop_hba
*hba
, u32 tag
)
626 struct hpt_iop_request_header __iomem
*req
;
627 struct hpt_iop_request_ioctl_command __iomem
*p
;
628 struct hpt_ioctl_k
*arg
;
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
);
637 BUG_ON(!readl(&req
->result
));
638 BUG_ON(readl(&req
->type
) != IOP_REQUEST_TYPE_IOCTL_COMMAND
);
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));
645 if (readl(&req
->result
) == IOP_RESULT_SUCCESS
) {
646 arg
->result
= HPT_IOCTL_RESULT_OK
;
648 if (arg
->outbuf_size
)
649 memcpy_fromio(arg
->outbuf
,
650 &p
->buf
[(readl(&p
->inbuf_size
) + 3)& ~3],
653 if (arg
->bytes_returned
)
654 *arg
->bytes_returned
= arg
->outbuf_size
;
657 arg
->result
= HPT_IOCTL_RESULT_FAILED
;
660 writel(tag
, &hba
->u
.itl
.iop
->outbound_queue
);
663 static irqreturn_t
hptiop_intr(int irq
, void *dev_id
)
665 struct hptiop_hba
*hba
= dev_id
;
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
);
676 static int hptiop_buildsgl(struct scsi_cmnd
*scp
, struct hpt_iopsg
*psg
)
678 struct Scsi_Host
*host
= scp
->device
->host
;
679 struct hptiop_hba
*hba
= (struct hptiop_hba
*)host
->hostdata
;
680 struct scatterlist
*sg
;
683 nseg
= scsi_dma_map(scp
);
688 HPT_SCP(scp
)->sgcnt
= nseg
;
689 HPT_SCP(scp
)->mapped
= 1;
691 BUG_ON(HPT_SCP(scp
)->sgcnt
> hba
->max_sg_descriptors
);
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) ?
699 return HPT_SCP(scp
)->sgcnt
;
702 static void hptiop_post_req_itl(struct hptiop_hba
*hba
,
703 struct hptiop_request
*_req
)
705 struct hpt_iop_request_header
*reqhdr
= _req
->req_virt
;
707 reqhdr
->context
= cpu_to_le32(IOPMU_QUEUE_ADDR_HOST_BIT
|
709 reqhdr
->context_hi32
= 0;
711 if (hba
->iopintf_v2
) {
714 size
= le32_to_cpu(reqhdr
->size
);
716 size_bits
= IOPMU_QUEUE_REQUEST_SIZE_BIT
;
718 size_bits
= IOPMU_QUEUE_ADDR_HOST_BIT
;
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
);
725 writel(_req
->req_shifted_phy
| IOPMU_QUEUE_ADDR_HOST_BIT
,
726 &hba
->u
.itl
.iop
->inbound_queue
);
729 static void hptiop_post_req_mv(struct hptiop_hba
*hba
,
730 struct hptiop_request
*_req
)
732 struct hpt_iop_request_header
*reqhdr
= _req
->req_virt
;
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
);
742 else if (size
<= 256*2)
744 else if (size
<= 256*3)
749 mv_inbound_write((_req
->req_shifted_phy
<< 5) |
750 MVIOP_MU_QUEUE_ADDR_HOST_BIT
| size_bit
, hba
);
753 static int hptiop_queuecommand(struct scsi_cmnd
*scp
,
754 void (*done
)(struct scsi_cmnd
*))
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
;
760 struct hptiop_request
*_req
;
763 scp
->scsi_done
= done
;
767 dprintk("hptiop_queuecmd : no free req\n");
768 return SCSI_MLQUEUE_HOST_BUSY
;
773 dprintk("hptiop_queuecmd(scp=%p) %d/%d/%d/%d cdb=(%x-%x-%x) "
774 "req_index=%d, req=%p\n",
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
);
785 if (scp
->device
->channel
|| scp
->device
->lun
||
786 scp
->device
->id
> hba
->max_devices
) {
787 scp
->result
= DID_BAD_TARGET
<< 16;
792 req
= _req
->req_virt
;
794 /* build S/G table */
795 sg_count
= hptiop_buildsgl(scp
, req
->sg_list
);
797 HPT_SCP(scp
)->mapped
= 0;
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
));
811 memcpy(req
->cdb
, scp
->cmnd
, sizeof(req
->cdb
));
812 hba
->ops
->post_req(hba
, _req
);
816 dprintk("scsi_done(scp=%p)\n", scp
);
821 static const char *hptiop_info(struct Scsi_Host
*host
)
823 return driver_name_long
;
826 static int hptiop_reset_hba(struct hptiop_hba
*hba
)
828 if (atomic_xchg(&hba
->resetting
, 1) == 0) {
829 atomic_inc(&hba
->reset_count
);
830 hba
->ops
->post_msg(hba
, IOPMU_INBOUND_MSG0_RESET
);
833 wait_event_timeout(hba
->reset_wq
,
834 atomic_read(&hba
->resetting
) == 0, 60 * HZ
);
836 if (atomic_read(&hba
->resetting
)) {
837 /* IOP is in unkown state, abort reset */
838 printk(KERN_ERR
"scsi%d: reset failed\n", hba
->host
->host_no
);
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",
851 static int hptiop_reset(struct scsi_cmnd
*scp
)
853 struct Scsi_Host
* host
= scp
->device
->host
;
854 struct hptiop_hba
* hba
= (struct hptiop_hba
*)host
->hostdata
;
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
);
860 return hptiop_reset_hba(hba
)? FAILED
: SUCCESS
;
863 static int hptiop_adjust_disk_queue_depth(struct scsi_device
*sdev
,
866 struct hptiop_hba
*hba
= (struct hptiop_hba
*)sdev
->host
->hostdata
;
868 if (queue_depth
> hba
->max_requests
)
869 queue_depth
= hba
->max_requests
;
870 scsi_adjust_queue_depth(sdev
, MSG_ORDERED_TAG
, queue_depth
);
874 static ssize_t
hptiop_show_version(struct device
*dev
,
875 struct device_attribute
*attr
, char *buf
)
877 return snprintf(buf
, PAGE_SIZE
, "%s\n", driver_ver
);
880 static ssize_t
hptiop_show_fw_version(struct device
*dev
,
881 struct device_attribute
*attr
, char *buf
)
883 struct Scsi_Host
*host
= class_to_shost(dev
);
884 struct hptiop_hba
*hba
= (struct hptiop_hba
*)host
->hostdata
;
886 return snprintf(buf
, PAGE_SIZE
, "%d.%d.%d.%d\n",
887 hba
->firmware_version
>> 24,
888 (hba
->firmware_version
>> 16) & 0xff,
889 (hba
->firmware_version
>> 8) & 0xff,
890 hba
->firmware_version
& 0xff);
893 static struct device_attribute hptiop_attr_version
= {
895 .name
= "driver-version",
898 .show
= hptiop_show_version
,
901 static struct device_attribute hptiop_attr_fw_version
= {
903 .name
= "firmware-version",
906 .show
= hptiop_show_fw_version
,
909 static struct device_attribute
*hptiop_attrs
[] = {
910 &hptiop_attr_version
,
911 &hptiop_attr_fw_version
,
915 static struct scsi_host_template driver_template
= {
916 .module
= THIS_MODULE
,
918 .queuecommand
= hptiop_queuecommand
,
919 .eh_device_reset_handler
= hptiop_reset
,
920 .eh_bus_reset_handler
= hptiop_reset
,
923 .use_clustering
= ENABLE_CLUSTERING
,
924 .proc_name
= driver_name
,
925 .shost_attrs
= hptiop_attrs
,
927 .change_queue_depth
= hptiop_adjust_disk_queue_depth
,
930 static int hptiop_internal_memalloc_mv(struct hptiop_hba
*hba
)
932 hba
->u
.mv
.internal_req
= dma_alloc_coherent(&hba
->pcidev
->dev
,
933 0x800, &hba
->u
.mv
.internal_req_phy
, GFP_KERNEL
);
934 if (hba
->u
.mv
.internal_req
)
940 static int hptiop_internal_memfree_mv(struct hptiop_hba
*hba
)
942 if (hba
->u
.mv
.internal_req
) {
943 dma_free_coherent(&hba
->pcidev
->dev
, 0x800,
944 hba
->u
.mv
.internal_req
, hba
->u
.mv
.internal_req_phy
);
950 static int __devinit
hptiop_probe(struct pci_dev
*pcidev
,
951 const struct pci_device_id
*id
)
953 struct Scsi_Host
*host
= NULL
;
954 struct hptiop_hba
*hba
;
955 struct hpt_iop_request_get_config iop_config
;
956 struct hpt_iop_request_set_config set_config
;
957 dma_addr_t start_phy
;
959 u32 offset
, i
, req_size
;
961 dprintk("hptiop_probe(%p)\n", pcidev
);
963 if (pci_enable_device(pcidev
)) {
964 printk(KERN_ERR
"hptiop: fail to enable pci device\n");
968 printk(KERN_INFO
"adapter at PCI %d:%d:%d, IRQ %d\n",
969 pcidev
->bus
->number
, pcidev
->devfn
>> 3, pcidev
->devfn
& 7,
972 pci_set_master(pcidev
);
974 /* Enable 64bit DMA if possible */
975 if (pci_set_dma_mask(pcidev
, DMA_BIT_MASK(64))) {
976 if (pci_set_dma_mask(pcidev
, DMA_BIT_MASK(32))) {
977 printk(KERN_ERR
"hptiop: fail to set dma_mask\n");
978 goto disable_pci_device
;
982 if (pci_request_regions(pcidev
, driver_name
)) {
983 printk(KERN_ERR
"hptiop: pci_request_regions failed\n");
984 goto disable_pci_device
;
987 host
= scsi_host_alloc(&driver_template
, sizeof(struct hptiop_hba
));
989 printk(KERN_ERR
"hptiop: fail to alloc scsi host\n");
990 goto free_pci_regions
;
993 hba
= (struct hptiop_hba
*)host
->hostdata
;
995 hba
->ops
= (struct hptiop_adapter_ops
*)id
->driver_data
;
996 hba
->pcidev
= pcidev
;
998 hba
->initialized
= 0;
1001 atomic_set(&hba
->resetting
, 0);
1002 atomic_set(&hba
->reset_count
, 0);
1004 init_waitqueue_head(&hba
->reset_wq
);
1005 init_waitqueue_head(&hba
->ioctl_wq
);
1008 host
->max_channel
= 0;
1010 host
->n_io_port
= 0;
1011 host
->irq
= pcidev
->irq
;
1013 if (hba
->ops
->map_pci_bar(hba
))
1014 goto free_scsi_host
;
1016 if (hba
->ops
->iop_wait_ready(hba
, 20000)) {
1017 printk(KERN_ERR
"scsi%d: firmware not ready\n",
1018 hba
->host
->host_no
);
1022 if (hba
->ops
->internal_memalloc
) {
1023 if (hba
->ops
->internal_memalloc(hba
)) {
1024 printk(KERN_ERR
"scsi%d: internal_memalloc failed\n",
1025 hba
->host
->host_no
);
1030 if (hba
->ops
->get_config(hba
, &iop_config
)) {
1031 printk(KERN_ERR
"scsi%d: get config failed\n",
1032 hba
->host
->host_no
);
1036 hba
->max_requests
= min(le32_to_cpu(iop_config
.max_requests
),
1037 HPTIOP_MAX_REQUESTS
);
1038 hba
->max_devices
= le32_to_cpu(iop_config
.max_devices
);
1039 hba
->max_request_size
= le32_to_cpu(iop_config
.request_size
);
1040 hba
->max_sg_descriptors
= le32_to_cpu(iop_config
.max_sg_count
);
1041 hba
->firmware_version
= le32_to_cpu(iop_config
.firmware_version
);
1042 hba
->interface_version
= le32_to_cpu(iop_config
.interface_version
);
1043 hba
->sdram_size
= le32_to_cpu(iop_config
.sdram_size
);
1045 if (hba
->firmware_version
> 0x01020000 ||
1046 hba
->interface_version
> 0x01020000)
1047 hba
->iopintf_v2
= 1;
1049 host
->max_sectors
= le32_to_cpu(iop_config
.data_transfer_length
) >> 9;
1050 host
->max_id
= le32_to_cpu(iop_config
.max_devices
);
1051 host
->sg_tablesize
= le32_to_cpu(iop_config
.max_sg_count
);
1052 host
->can_queue
= le32_to_cpu(iop_config
.max_requests
);
1053 host
->cmd_per_lun
= le32_to_cpu(iop_config
.max_requests
);
1054 host
->max_cmd_len
= 16;
1056 req_size
= sizeof(struct hpt_iop_request_scsi_command
)
1057 + sizeof(struct hpt_iopsg
) * (hba
->max_sg_descriptors
- 1);
1058 if ((req_size
& 0x1f) != 0)
1059 req_size
= (req_size
+ 0x1f) & ~0x1f;
1061 memset(&set_config
, 0, sizeof(struct hpt_iop_request_set_config
));
1062 set_config
.iop_id
= cpu_to_le32(host
->host_no
);
1063 set_config
.vbus_id
= cpu_to_le16(host
->host_no
);
1064 set_config
.max_host_request_size
= cpu_to_le16(req_size
);
1066 if (hba
->ops
->set_config(hba
, &set_config
)) {
1067 printk(KERN_ERR
"scsi%d: set config failed\n",
1068 hba
->host
->host_no
);
1072 pci_set_drvdata(pcidev
, host
);
1074 if (request_irq(pcidev
->irq
, hptiop_intr
, IRQF_SHARED
,
1075 driver_name
, hba
)) {
1076 printk(KERN_ERR
"scsi%d: request irq %d failed\n",
1077 hba
->host
->host_no
, pcidev
->irq
);
1081 /* Allocate request mem */
1083 dprintk("req_size=%d, max_requests=%d\n", req_size
, hba
->max_requests
);
1085 hba
->req_size
= req_size
;
1086 start_virt
= dma_alloc_coherent(&pcidev
->dev
,
1087 hba
->req_size
*hba
->max_requests
+ 0x20,
1088 &start_phy
, GFP_KERNEL
);
1091 printk(KERN_ERR
"scsi%d: fail to alloc request mem\n",
1092 hba
->host
->host_no
);
1093 goto free_request_irq
;
1096 hba
->dma_coherent
= start_virt
;
1097 hba
->dma_coherent_handle
= start_phy
;
1099 if ((start_phy
& 0x1f) != 0)
1101 offset
= ((start_phy
+ 0x1f) & ~0x1f) - start_phy
;
1102 start_phy
+= offset
;
1103 start_virt
+= offset
;
1106 hba
->req_list
= start_virt
;
1107 for (i
= 0; i
< hba
->max_requests
; i
++) {
1108 hba
->reqs
[i
].next
= NULL
;
1109 hba
->reqs
[i
].req_virt
= start_virt
;
1110 hba
->reqs
[i
].req_shifted_phy
= start_phy
>> 5;
1111 hba
->reqs
[i
].index
= i
;
1112 free_req(hba
, &hba
->reqs
[i
]);
1113 start_virt
= (char *)start_virt
+ hba
->req_size
;
1114 start_phy
= start_phy
+ hba
->req_size
;
1117 /* Enable Interrupt and start background task */
1118 if (hptiop_initialize_iop(hba
))
1119 goto free_request_mem
;
1121 if (scsi_add_host(host
, &pcidev
->dev
)) {
1122 printk(KERN_ERR
"scsi%d: scsi_add_host failed\n",
1123 hba
->host
->host_no
);
1124 goto free_request_mem
;
1128 scsi_scan_host(host
);
1130 dprintk("scsi%d: hptiop_probe successfully\n", hba
->host
->host_no
);
1134 dma_free_coherent(&hba
->pcidev
->dev
,
1135 hba
->req_size
* hba
->max_requests
+ 0x20,
1136 hba
->dma_coherent
, hba
->dma_coherent_handle
);
1139 free_irq(hba
->pcidev
->irq
, hba
);
1142 if (hba
->ops
->internal_memfree
)
1143 hba
->ops
->internal_memfree(hba
);
1145 hba
->ops
->unmap_pci_bar(hba
);
1148 scsi_host_put(host
);
1151 pci_release_regions(pcidev
);
1154 pci_disable_device(pcidev
);
1156 dprintk("scsi%d: hptiop_probe fail\n", host
->host_no
);
1160 static void hptiop_shutdown(struct pci_dev
*pcidev
)
1162 struct Scsi_Host
*host
= pci_get_drvdata(pcidev
);
1163 struct hptiop_hba
*hba
= (struct hptiop_hba
*)host
->hostdata
;
1165 dprintk("hptiop_shutdown(%p)\n", hba
);
1168 if (iop_send_sync_msg(hba
, IOPMU_INBOUND_MSG0_SHUTDOWN
, 60000))
1169 printk(KERN_ERR
"scsi%d: shutdown the iop timeout\n",
1170 hba
->host
->host_no
);
1172 /* disable all outbound interrupts */
1173 hba
->ops
->disable_intr(hba
);
1176 static void hptiop_disable_intr_itl(struct hptiop_hba
*hba
)
1180 int_mask
= readl(&hba
->u
.itl
.iop
->outbound_intmask
);
1182 IOPMU_OUTBOUND_INT_MSG0
| IOPMU_OUTBOUND_INT_POSTQUEUE
,
1183 &hba
->u
.itl
.iop
->outbound_intmask
);
1184 readl(&hba
->u
.itl
.iop
->outbound_intmask
);
1187 static void hptiop_disable_intr_mv(struct hptiop_hba
*hba
)
1189 writel(0, &hba
->u
.mv
.regs
->outbound_intmask
);
1190 readl(&hba
->u
.mv
.regs
->outbound_intmask
);
1193 static void hptiop_remove(struct pci_dev
*pcidev
)
1195 struct Scsi_Host
*host
= pci_get_drvdata(pcidev
);
1196 struct hptiop_hba
*hba
= (struct hptiop_hba
*)host
->hostdata
;
1198 dprintk("scsi%d: hptiop_remove\n", hba
->host
->host_no
);
1200 scsi_remove_host(host
);
1202 hptiop_shutdown(pcidev
);
1204 free_irq(hba
->pcidev
->irq
, hba
);
1206 dma_free_coherent(&hba
->pcidev
->dev
,
1207 hba
->req_size
* hba
->max_requests
+ 0x20,
1209 hba
->dma_coherent_handle
);
1211 if (hba
->ops
->internal_memfree
)
1212 hba
->ops
->internal_memfree(hba
);
1214 hba
->ops
->unmap_pci_bar(hba
);
1216 pci_release_regions(hba
->pcidev
);
1217 pci_set_drvdata(hba
->pcidev
, NULL
);
1218 pci_disable_device(hba
->pcidev
);
1220 scsi_host_put(host
);
1223 static struct hptiop_adapter_ops hptiop_itl_ops
= {
1224 .iop_wait_ready
= iop_wait_ready_itl
,
1225 .internal_memalloc
= NULL
,
1226 .internal_memfree
= NULL
,
1227 .map_pci_bar
= hptiop_map_pci_bar_itl
,
1228 .unmap_pci_bar
= hptiop_unmap_pci_bar_itl
,
1229 .enable_intr
= hptiop_enable_intr_itl
,
1230 .disable_intr
= hptiop_disable_intr_itl
,
1231 .get_config
= iop_get_config_itl
,
1232 .set_config
= iop_set_config_itl
,
1233 .iop_intr
= iop_intr_itl
,
1234 .post_msg
= hptiop_post_msg_itl
,
1235 .post_req
= hptiop_post_req_itl
,
1238 static struct hptiop_adapter_ops hptiop_mv_ops
= {
1239 .iop_wait_ready
= iop_wait_ready_mv
,
1240 .internal_memalloc
= hptiop_internal_memalloc_mv
,
1241 .internal_memfree
= hptiop_internal_memfree_mv
,
1242 .map_pci_bar
= hptiop_map_pci_bar_mv
,
1243 .unmap_pci_bar
= hptiop_unmap_pci_bar_mv
,
1244 .enable_intr
= hptiop_enable_intr_mv
,
1245 .disable_intr
= hptiop_disable_intr_mv
,
1246 .get_config
= iop_get_config_mv
,
1247 .set_config
= iop_set_config_mv
,
1248 .iop_intr
= iop_intr_mv
,
1249 .post_msg
= hptiop_post_msg_mv
,
1250 .post_req
= hptiop_post_req_mv
,
1253 static struct pci_device_id hptiop_id_table
[] = {
1254 { PCI_VDEVICE(TTI
, 0x3220), (kernel_ulong_t
)&hptiop_itl_ops
},
1255 { PCI_VDEVICE(TTI
, 0x3320), (kernel_ulong_t
)&hptiop_itl_ops
},
1256 { PCI_VDEVICE(TTI
, 0x3410), (kernel_ulong_t
)&hptiop_itl_ops
},
1257 { PCI_VDEVICE(TTI
, 0x3510), (kernel_ulong_t
)&hptiop_itl_ops
},
1258 { PCI_VDEVICE(TTI
, 0x3511), (kernel_ulong_t
)&hptiop_itl_ops
},
1259 { PCI_VDEVICE(TTI
, 0x3520), (kernel_ulong_t
)&hptiop_itl_ops
},
1260 { PCI_VDEVICE(TTI
, 0x3521), (kernel_ulong_t
)&hptiop_itl_ops
},
1261 { PCI_VDEVICE(TTI
, 0x3522), (kernel_ulong_t
)&hptiop_itl_ops
},
1262 { PCI_VDEVICE(TTI
, 0x3530), (kernel_ulong_t
)&hptiop_itl_ops
},
1263 { PCI_VDEVICE(TTI
, 0x3540), (kernel_ulong_t
)&hptiop_itl_ops
},
1264 { PCI_VDEVICE(TTI
, 0x3560), (kernel_ulong_t
)&hptiop_itl_ops
},
1265 { PCI_VDEVICE(TTI
, 0x4210), (kernel_ulong_t
)&hptiop_itl_ops
},
1266 { PCI_VDEVICE(TTI
, 0x4211), (kernel_ulong_t
)&hptiop_itl_ops
},
1267 { PCI_VDEVICE(TTI
, 0x4310), (kernel_ulong_t
)&hptiop_itl_ops
},
1268 { PCI_VDEVICE(TTI
, 0x4311), (kernel_ulong_t
)&hptiop_itl_ops
},
1269 { PCI_VDEVICE(TTI
, 0x4320), (kernel_ulong_t
)&hptiop_itl_ops
},
1270 { PCI_VDEVICE(TTI
, 0x4321), (kernel_ulong_t
)&hptiop_itl_ops
},
1271 { PCI_VDEVICE(TTI
, 0x4322), (kernel_ulong_t
)&hptiop_itl_ops
},
1272 { PCI_VDEVICE(TTI
, 0x4400), (kernel_ulong_t
)&hptiop_itl_ops
},
1273 { PCI_VDEVICE(TTI
, 0x3120), (kernel_ulong_t
)&hptiop_mv_ops
},
1274 { PCI_VDEVICE(TTI
, 0x3122), (kernel_ulong_t
)&hptiop_mv_ops
},
1275 { PCI_VDEVICE(TTI
, 0x3020), (kernel_ulong_t
)&hptiop_mv_ops
},
1279 MODULE_DEVICE_TABLE(pci
, hptiop_id_table
);
1281 static struct pci_driver hptiop_pci_driver
= {
1282 .name
= driver_name
,
1283 .id_table
= hptiop_id_table
,
1284 .probe
= hptiop_probe
,
1285 .remove
= hptiop_remove
,
1286 .shutdown
= hptiop_shutdown
,
1289 static int __init
hptiop_module_init(void)
1291 printk(KERN_INFO
"%s %s\n", driver_name_long
, driver_ver
);
1292 return pci_register_driver(&hptiop_pci_driver
);
1295 static void __exit
hptiop_module_exit(void)
1297 pci_unregister_driver(&hptiop_pci_driver
);
1301 module_init(hptiop_module_init
);
1302 module_exit(hptiop_module_exit
);
1304 MODULE_LICENSE("GPL");