2 * HighPoint RR3xxx/4xxx controller driver for Linux
3 * Copyright (C) 2006-2007 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
[] = "v1.3 (071203)";
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
;
121 status
= readl(&iop
->outbound_intstatus
);
123 if (status
& IOPMU_OUTBOUND_INT_MSG0
) {
124 u32 msg
= readl(&iop
->outbound_msgaddr0
);
126 dprintk("received outbound msg %x\n", msg
);
127 writel(IOPMU_OUTBOUND_INT_MSG0
, &iop
->outbound_intstatus
);
128 hptiop_message_callback(hba
, msg
);
132 if (status
& IOPMU_OUTBOUND_INT_POSTQUEUE
) {
133 hptiop_drain_outbound_queue_itl(hba
);
140 static u64
mv_outbound_read(struct hpt_iopmu_mv __iomem
*mu
)
142 u32 outbound_tail
= readl(&mu
->outbound_tail
);
143 u32 outbound_head
= readl(&mu
->outbound_head
);
145 if (outbound_tail
!= outbound_head
) {
148 memcpy_fromio(&p
, &mu
->outbound_q
[mu
->outbound_tail
], 8);
151 if (outbound_tail
== MVIOP_QUEUE_LEN
)
153 writel(outbound_tail
, &mu
->outbound_tail
);
159 static void mv_inbound_write(u64 p
, struct hptiop_hba
*hba
)
161 u32 inbound_head
= readl(&hba
->u
.mv
.mu
->inbound_head
);
162 u32 head
= inbound_head
+ 1;
164 if (head
== MVIOP_QUEUE_LEN
)
167 memcpy_toio(&hba
->u
.mv
.mu
->inbound_q
[inbound_head
], &p
, 8);
168 writel(head
, &hba
->u
.mv
.mu
->inbound_head
);
169 writel(MVIOP_MU_INBOUND_INT_POSTQUEUE
,
170 &hba
->u
.mv
.regs
->inbound_doorbell
);
173 static void hptiop_request_callback_mv(struct hptiop_hba
*hba
, u64 tag
)
175 u32 req_type
= (tag
>> 5) & 0x7;
176 struct hpt_iop_request_scsi_command
*req
;
178 dprintk("hptiop_request_callback_mv: tag=%llx\n", tag
);
180 BUG_ON((tag
& MVIOP_MU_QUEUE_REQUEST_RETURN_CONTEXT
) == 0);
183 case IOP_REQUEST_TYPE_GET_CONFIG
:
184 case IOP_REQUEST_TYPE_SET_CONFIG
:
188 case IOP_REQUEST_TYPE_SCSI_COMMAND
:
189 req
= hba
->reqs
[tag
>> 8].req_virt
;
190 if (likely(tag
& MVIOP_MU_QUEUE_REQUEST_RESULT_BIT
))
191 req
->header
.result
= cpu_to_le32(IOP_RESULT_SUCCESS
);
193 hptiop_finish_scsi_req(hba
, tag
>>8, req
);
201 static int iop_intr_mv(struct hptiop_hba
*hba
)
206 status
= readl(&hba
->u
.mv
.regs
->outbound_doorbell
);
207 writel(~status
, &hba
->u
.mv
.regs
->outbound_doorbell
);
209 if (status
& MVIOP_MU_OUTBOUND_INT_MSG
) {
211 msg
= readl(&hba
->u
.mv
.mu
->outbound_msg
);
212 dprintk("received outbound msg %x\n", msg
);
213 hptiop_message_callback(hba
, msg
);
217 if (status
& MVIOP_MU_OUTBOUND_INT_POSTQUEUE
) {
220 while ((tag
= mv_outbound_read(hba
->u
.mv
.mu
)))
221 hptiop_request_callback_mv(hba
, tag
);
228 static int iop_send_sync_request_itl(struct hptiop_hba
*hba
,
229 void __iomem
*_req
, u32 millisec
)
231 struct hpt_iop_request_header __iomem
*req
= _req
;
234 writel(readl(&req
->flags
) | IOP_REQUEST_FLAG_SYNC_REQUEST
, &req
->flags
);
235 writel(0, &req
->context
);
236 writel((unsigned long)req
- (unsigned long)hba
->u
.itl
.iop
,
237 &hba
->u
.itl
.iop
->inbound_queue
);
238 readl(&hba
->u
.itl
.iop
->outbound_intstatus
);
240 for (i
= 0; i
< millisec
; i
++) {
242 if (readl(&req
->context
))
250 static int iop_send_sync_request_mv(struct hptiop_hba
*hba
,
251 u32 size_bits
, u32 millisec
)
253 struct hpt_iop_request_header
*reqhdr
= hba
->u
.mv
.internal_req
;
257 reqhdr
->flags
|= cpu_to_le32(IOP_REQUEST_FLAG_SYNC_REQUEST
);
258 mv_inbound_write(hba
->u
.mv
.internal_req_phy
|
259 MVIOP_MU_QUEUE_ADDR_HOST_BIT
| size_bits
, hba
);
261 for (i
= 0; i
< millisec
; i
++) {
270 static void hptiop_post_msg_itl(struct hptiop_hba
*hba
, u32 msg
)
272 writel(msg
, &hba
->u
.itl
.iop
->inbound_msgaddr0
);
273 readl(&hba
->u
.itl
.iop
->outbound_intstatus
);
276 static void hptiop_post_msg_mv(struct hptiop_hba
*hba
, u32 msg
)
278 writel(msg
, &hba
->u
.mv
.mu
->inbound_msg
);
279 writel(MVIOP_MU_INBOUND_INT_MSG
, &hba
->u
.mv
.regs
->inbound_doorbell
);
280 readl(&hba
->u
.mv
.regs
->inbound_doorbell
);
283 static int iop_send_sync_msg(struct hptiop_hba
*hba
, u32 msg
, u32 millisec
)
288 hba
->ops
->post_msg(hba
, msg
);
290 for (i
= 0; i
< millisec
; i
++) {
291 spin_lock_irq(hba
->host
->host_lock
);
292 hba
->ops
->iop_intr(hba
);
293 spin_unlock_irq(hba
->host
->host_lock
);
299 return hba
->msg_done
? 0 : -1;
302 static int iop_get_config_itl(struct hptiop_hba
*hba
,
303 struct hpt_iop_request_get_config
*config
)
306 struct hpt_iop_request_get_config __iomem
*req
;
308 req32
= readl(&hba
->u
.itl
.iop
->inbound_queue
);
309 if (req32
== IOPMU_QUEUE_EMPTY
)
312 req
= (struct hpt_iop_request_get_config __iomem
*)
313 ((unsigned long)hba
->u
.itl
.iop
+ req32
);
315 writel(0, &req
->header
.flags
);
316 writel(IOP_REQUEST_TYPE_GET_CONFIG
, &req
->header
.type
);
317 writel(sizeof(struct hpt_iop_request_get_config
), &req
->header
.size
);
318 writel(IOP_RESULT_PENDING
, &req
->header
.result
);
320 if (iop_send_sync_request_itl(hba
, req
, 20000)) {
321 dprintk("Get config send cmd failed\n");
325 memcpy_fromio(config
, req
, sizeof(*config
));
326 writel(req32
, &hba
->u
.itl
.iop
->outbound_queue
);
330 static int iop_get_config_mv(struct hptiop_hba
*hba
,
331 struct hpt_iop_request_get_config
*config
)
333 struct hpt_iop_request_get_config
*req
= hba
->u
.mv
.internal_req
;
335 req
->header
.flags
= cpu_to_le32(IOP_REQUEST_FLAG_OUTPUT_CONTEXT
);
336 req
->header
.type
= cpu_to_le32(IOP_REQUEST_TYPE_GET_CONFIG
);
338 cpu_to_le32(sizeof(struct hpt_iop_request_get_config
));
339 req
->header
.result
= cpu_to_le32(IOP_RESULT_PENDING
);
340 req
->header
.context
= cpu_to_le32(IOP_REQUEST_TYPE_GET_CONFIG
<<5);
341 req
->header
.context_hi32
= 0;
343 if (iop_send_sync_request_mv(hba
, 0, 20000)) {
344 dprintk("Get config send cmd failed\n");
348 memcpy(config
, req
, sizeof(struct hpt_iop_request_get_config
));
352 static int iop_set_config_itl(struct hptiop_hba
*hba
,
353 struct hpt_iop_request_set_config
*config
)
356 struct hpt_iop_request_set_config __iomem
*req
;
358 req32
= readl(&hba
->u
.itl
.iop
->inbound_queue
);
359 if (req32
== IOPMU_QUEUE_EMPTY
)
362 req
= (struct hpt_iop_request_set_config __iomem
*)
363 ((unsigned long)hba
->u
.itl
.iop
+ req32
);
365 memcpy_toio((u8 __iomem
*)req
+ sizeof(struct hpt_iop_request_header
),
366 (u8
*)config
+ sizeof(struct hpt_iop_request_header
),
367 sizeof(struct hpt_iop_request_set_config
) -
368 sizeof(struct hpt_iop_request_header
));
370 writel(0, &req
->header
.flags
);
371 writel(IOP_REQUEST_TYPE_SET_CONFIG
, &req
->header
.type
);
372 writel(sizeof(struct hpt_iop_request_set_config
), &req
->header
.size
);
373 writel(IOP_RESULT_PENDING
, &req
->header
.result
);
375 if (iop_send_sync_request_itl(hba
, req
, 20000)) {
376 dprintk("Set config send cmd failed\n");
380 writel(req32
, &hba
->u
.itl
.iop
->outbound_queue
);
384 static int iop_set_config_mv(struct hptiop_hba
*hba
,
385 struct hpt_iop_request_set_config
*config
)
387 struct hpt_iop_request_set_config
*req
= hba
->u
.mv
.internal_req
;
389 memcpy(req
, config
, sizeof(struct hpt_iop_request_set_config
));
390 req
->header
.flags
= cpu_to_le32(IOP_REQUEST_FLAG_OUTPUT_CONTEXT
);
391 req
->header
.type
= cpu_to_le32(IOP_REQUEST_TYPE_SET_CONFIG
);
393 cpu_to_le32(sizeof(struct hpt_iop_request_set_config
));
394 req
->header
.result
= cpu_to_le32(IOP_RESULT_PENDING
);
395 req
->header
.context
= cpu_to_le32(IOP_REQUEST_TYPE_SET_CONFIG
<<5);
396 req
->header
.context_hi32
= 0;
398 if (iop_send_sync_request_mv(hba
, 0, 20000)) {
399 dprintk("Set config send cmd failed\n");
406 static void hptiop_enable_intr_itl(struct hptiop_hba
*hba
)
408 writel(~(IOPMU_OUTBOUND_INT_POSTQUEUE
| IOPMU_OUTBOUND_INT_MSG0
),
409 &hba
->u
.itl
.iop
->outbound_intmask
);
412 static void hptiop_enable_intr_mv(struct hptiop_hba
*hba
)
414 writel(MVIOP_MU_OUTBOUND_INT_POSTQUEUE
| MVIOP_MU_OUTBOUND_INT_MSG
,
415 &hba
->u
.mv
.regs
->outbound_intmask
);
418 static int hptiop_initialize_iop(struct hptiop_hba
*hba
)
420 /* enable interrupts */
421 hba
->ops
->enable_intr(hba
);
423 hba
->initialized
= 1;
425 /* start background tasks */
426 if (iop_send_sync_msg(hba
,
427 IOPMU_INBOUND_MSG0_START_BACKGROUND_TASK
, 5000)) {
428 printk(KERN_ERR
"scsi%d: fail to start background task\n",
435 static void __iomem
*hptiop_map_pci_bar(struct hptiop_hba
*hba
, int index
)
437 u32 mem_base_phy
, length
;
438 void __iomem
*mem_base_virt
;
440 struct pci_dev
*pcidev
= hba
->pcidev
;
443 if (!(pci_resource_flags(pcidev
, index
) & IORESOURCE_MEM
)) {
444 printk(KERN_ERR
"scsi%d: pci resource invalid\n",
449 mem_base_phy
= pci_resource_start(pcidev
, index
);
450 length
= pci_resource_len(pcidev
, index
);
451 mem_base_virt
= ioremap(mem_base_phy
, length
);
453 if (!mem_base_virt
) {
454 printk(KERN_ERR
"scsi%d: Fail to ioremap memory space\n",
458 return mem_base_virt
;
461 static int hptiop_map_pci_bar_itl(struct hptiop_hba
*hba
)
463 hba
->u
.itl
.iop
= hptiop_map_pci_bar(hba
, 0);
470 static void hptiop_unmap_pci_bar_itl(struct hptiop_hba
*hba
)
472 iounmap(hba
->u
.itl
.iop
);
475 static int hptiop_map_pci_bar_mv(struct hptiop_hba
*hba
)
477 hba
->u
.mv
.regs
= hptiop_map_pci_bar(hba
, 0);
478 if (hba
->u
.mv
.regs
== NULL
)
481 hba
->u
.mv
.mu
= hptiop_map_pci_bar(hba
, 2);
482 if (hba
->u
.mv
.mu
== NULL
) {
483 iounmap(hba
->u
.mv
.regs
);
490 static void hptiop_unmap_pci_bar_mv(struct hptiop_hba
*hba
)
492 iounmap(hba
->u
.mv
.regs
);
493 iounmap(hba
->u
.mv
.mu
);
496 static void hptiop_message_callback(struct hptiop_hba
*hba
, u32 msg
)
498 dprintk("iop message 0x%x\n", msg
);
500 if (msg
== IOPMU_INBOUND_MSG0_NOP
)
503 if (!hba
->initialized
)
506 if (msg
== IOPMU_INBOUND_MSG0_RESET
) {
507 atomic_set(&hba
->resetting
, 0);
508 wake_up(&hba
->reset_wq
);
510 else if (msg
<= IOPMU_INBOUND_MSG0_MAX
)
514 static struct hptiop_request
*get_req(struct hptiop_hba
*hba
)
516 struct hptiop_request
*ret
;
518 dprintk("get_req : req=%p\n", hba
->req_list
);
522 hba
->req_list
= ret
->next
;
527 static void free_req(struct hptiop_hba
*hba
, struct hptiop_request
*req
)
529 dprintk("free_req(%d, %p)\n", req
->index
, req
);
530 req
->next
= hba
->req_list
;
534 static void hptiop_finish_scsi_req(struct hptiop_hba
*hba
, u32 tag
,
535 struct hpt_iop_request_scsi_command
*req
)
537 struct scsi_cmnd
*scp
;
539 dprintk("hptiop_finish_scsi_req: req=%p, type=%d, "
540 "result=%d, context=0x%x tag=%d\n",
541 req
, req
->header
.type
, req
->header
.result
,
542 req
->header
.context
, tag
);
544 BUG_ON(!req
->header
.result
);
545 BUG_ON(req
->header
.type
!= cpu_to_le32(IOP_REQUEST_TYPE_SCSI_COMMAND
));
547 scp
= hba
->reqs
[tag
].scp
;
549 if (HPT_SCP(scp
)->mapped
)
552 switch (le32_to_cpu(req
->header
.result
)) {
553 case IOP_RESULT_SUCCESS
:
555 scsi_bufflen(scp
) - le32_to_cpu(req
->dataxfer_length
));
556 scp
->result
= (DID_OK
<<16);
558 case IOP_RESULT_BAD_TARGET
:
559 scp
->result
= (DID_BAD_TARGET
<<16);
561 case IOP_RESULT_BUSY
:
562 scp
->result
= (DID_BUS_BUSY
<<16);
564 case IOP_RESULT_RESET
:
565 scp
->result
= (DID_RESET
<<16);
567 case IOP_RESULT_FAIL
:
568 scp
->result
= (DID_ERROR
<<16);
570 case IOP_RESULT_INVALID_REQUEST
:
571 scp
->result
= (DID_ABORT
<<16);
573 case IOP_RESULT_CHECK_CONDITION
:
575 scsi_bufflen(scp
) - le32_to_cpu(req
->dataxfer_length
));
576 scp
->result
= SAM_STAT_CHECK_CONDITION
;
577 memcpy(scp
->sense_buffer
, &req
->sg_list
,
578 min_t(size_t, SCSI_SENSE_BUFFERSIZE
,
579 le32_to_cpu(req
->dataxfer_length
)));
583 scp
->result
= ((DRIVER_INVALID
|SUGGEST_ABORT
)<<24) |
588 dprintk("scsi_done(%p)\n", scp
);
590 free_req(hba
, &hba
->reqs
[tag
]);
593 static void hptiop_host_request_callback_itl(struct hptiop_hba
*hba
, u32 _tag
)
595 struct hpt_iop_request_scsi_command
*req
;
598 if (hba
->iopintf_v2
) {
599 tag
= _tag
& ~IOPMU_QUEUE_REQUEST_RESULT_BIT
;
600 req
= hba
->reqs
[tag
].req_virt
;
601 if (likely(_tag
& IOPMU_QUEUE_REQUEST_RESULT_BIT
))
602 req
->header
.result
= cpu_to_le32(IOP_RESULT_SUCCESS
);
605 req
= hba
->reqs
[tag
].req_virt
;
608 hptiop_finish_scsi_req(hba
, tag
, req
);
611 void hptiop_iop_request_callback_itl(struct hptiop_hba
*hba
, u32 tag
)
613 struct hpt_iop_request_header __iomem
*req
;
614 struct hpt_iop_request_ioctl_command __iomem
*p
;
615 struct hpt_ioctl_k
*arg
;
617 req
= (struct hpt_iop_request_header __iomem
*)
618 ((unsigned long)hba
->u
.itl
.iop
+ tag
);
619 dprintk("hptiop_iop_request_callback_itl: req=%p, type=%d, "
620 "result=%d, context=0x%x tag=%d\n",
621 req
, readl(&req
->type
), readl(&req
->result
),
622 readl(&req
->context
), tag
);
624 BUG_ON(!readl(&req
->result
));
625 BUG_ON(readl(&req
->type
) != IOP_REQUEST_TYPE_IOCTL_COMMAND
);
627 p
= (struct hpt_iop_request_ioctl_command __iomem
*)req
;
628 arg
= (struct hpt_ioctl_k
*)(unsigned long)
629 (readl(&req
->context
) |
630 ((u64
)readl(&req
->context_hi32
)<<32));
632 if (readl(&req
->result
) == IOP_RESULT_SUCCESS
) {
633 arg
->result
= HPT_IOCTL_RESULT_OK
;
635 if (arg
->outbuf_size
)
636 memcpy_fromio(arg
->outbuf
,
637 &p
->buf
[(readl(&p
->inbuf_size
) + 3)& ~3],
640 if (arg
->bytes_returned
)
641 *arg
->bytes_returned
= arg
->outbuf_size
;
644 arg
->result
= HPT_IOCTL_RESULT_FAILED
;
647 writel(tag
, &hba
->u
.itl
.iop
->outbound_queue
);
650 static irqreturn_t
hptiop_intr(int irq
, void *dev_id
)
652 struct hptiop_hba
*hba
= dev_id
;
656 spin_lock_irqsave(hba
->host
->host_lock
, flags
);
657 handled
= hba
->ops
->iop_intr(hba
);
658 spin_unlock_irqrestore(hba
->host
->host_lock
, flags
);
663 static int hptiop_buildsgl(struct scsi_cmnd
*scp
, struct hpt_iopsg
*psg
)
665 struct Scsi_Host
*host
= scp
->device
->host
;
666 struct hptiop_hba
*hba
= (struct hptiop_hba
*)host
->hostdata
;
667 struct scatterlist
*sg
;
670 nseg
= scsi_dma_map(scp
);
675 HPT_SCP(scp
)->sgcnt
= nseg
;
676 HPT_SCP(scp
)->mapped
= 1;
678 BUG_ON(HPT_SCP(scp
)->sgcnt
> hba
->max_sg_descriptors
);
680 scsi_for_each_sg(scp
, sg
, HPT_SCP(scp
)->sgcnt
, idx
) {
681 psg
[idx
].pci_address
= cpu_to_le64(sg_dma_address(sg
));
682 psg
[idx
].size
= cpu_to_le32(sg_dma_len(sg
));
683 psg
[idx
].eot
= (idx
== HPT_SCP(scp
)->sgcnt
- 1) ?
686 return HPT_SCP(scp
)->sgcnt
;
689 static void hptiop_post_req_itl(struct hptiop_hba
*hba
,
690 struct hptiop_request
*_req
)
692 struct hpt_iop_request_header
*reqhdr
= _req
->req_virt
;
694 reqhdr
->context
= cpu_to_le32(IOPMU_QUEUE_ADDR_HOST_BIT
|
696 reqhdr
->context_hi32
= 0;
698 if (hba
->iopintf_v2
) {
701 size
= le32_to_cpu(reqhdr
->size
);
703 size_bits
= IOPMU_QUEUE_REQUEST_SIZE_BIT
;
705 size_bits
= IOPMU_QUEUE_ADDR_HOST_BIT
;
707 size_bits
= IOPMU_QUEUE_REQUEST_SIZE_BIT
|
708 IOPMU_QUEUE_ADDR_HOST_BIT
;
709 writel(_req
->req_shifted_phy
| size_bits
,
710 &hba
->u
.itl
.iop
->inbound_queue
);
712 writel(_req
->req_shifted_phy
| IOPMU_QUEUE_ADDR_HOST_BIT
,
713 &hba
->u
.itl
.iop
->inbound_queue
);
716 static void hptiop_post_req_mv(struct hptiop_hba
*hba
,
717 struct hptiop_request
*_req
)
719 struct hpt_iop_request_header
*reqhdr
= _req
->req_virt
;
722 reqhdr
->context
= cpu_to_le32(_req
->index
<<8 |
723 IOP_REQUEST_TYPE_SCSI_COMMAND
<<5);
724 reqhdr
->context_hi32
= 0;
725 size
= le32_to_cpu(reqhdr
->size
);
729 else if (size
<= 256*2)
731 else if (size
<= 256*3)
736 mv_inbound_write((_req
->req_shifted_phy
<< 5) |
737 MVIOP_MU_QUEUE_ADDR_HOST_BIT
| size_bit
, hba
);
740 static int hptiop_queuecommand(struct scsi_cmnd
*scp
,
741 void (*done
)(struct scsi_cmnd
*))
743 struct Scsi_Host
*host
= scp
->device
->host
;
744 struct hptiop_hba
*hba
= (struct hptiop_hba
*)host
->hostdata
;
745 struct hpt_iop_request_scsi_command
*req
;
747 struct hptiop_request
*_req
;
750 scp
->scsi_done
= done
;
754 dprintk("hptiop_queuecmd : no free req\n");
755 return SCSI_MLQUEUE_HOST_BUSY
;
760 dprintk("hptiop_queuecmd(scp=%p) %d/%d/%d/%d cdb=(%x-%x-%x) "
761 "req_index=%d, req=%p\n",
763 host
->host_no
, scp
->device
->channel
,
764 scp
->device
->id
, scp
->device
->lun
,
765 ((u32
*)scp
->cmnd
)[0],
766 ((u32
*)scp
->cmnd
)[1],
767 ((u32
*)scp
->cmnd
)[2],
768 _req
->index
, _req
->req_virt
);
772 if (scp
->device
->channel
|| scp
->device
->lun
||
773 scp
->device
->id
> hba
->max_devices
) {
774 scp
->result
= DID_BAD_TARGET
<< 16;
779 req
= _req
->req_virt
;
781 /* build S/G table */
782 sg_count
= hptiop_buildsgl(scp
, req
->sg_list
);
784 HPT_SCP(scp
)->mapped
= 0;
786 req
->header
.flags
= cpu_to_le32(IOP_REQUEST_FLAG_OUTPUT_CONTEXT
);
787 req
->header
.type
= cpu_to_le32(IOP_REQUEST_TYPE_SCSI_COMMAND
);
788 req
->header
.result
= cpu_to_le32(IOP_RESULT_PENDING
);
789 req
->dataxfer_length
= cpu_to_le32(scsi_bufflen(scp
));
790 req
->channel
= scp
->device
->channel
;
791 req
->target
= scp
->device
->id
;
792 req
->lun
= scp
->device
->lun
;
793 req
->header
.size
= cpu_to_le32(
794 sizeof(struct hpt_iop_request_scsi_command
)
795 - sizeof(struct hpt_iopsg
)
796 + sg_count
* sizeof(struct hpt_iopsg
));
798 memcpy(req
->cdb
, scp
->cmnd
, sizeof(req
->cdb
));
799 hba
->ops
->post_req(hba
, _req
);
803 dprintk("scsi_done(scp=%p)\n", scp
);
808 static const char *hptiop_info(struct Scsi_Host
*host
)
810 return driver_name_long
;
813 static int hptiop_reset_hba(struct hptiop_hba
*hba
)
815 if (atomic_xchg(&hba
->resetting
, 1) == 0) {
816 atomic_inc(&hba
->reset_count
);
817 hba
->ops
->post_msg(hba
, IOPMU_INBOUND_MSG0_RESET
);
820 wait_event_timeout(hba
->reset_wq
,
821 atomic_read(&hba
->resetting
) == 0, 60 * HZ
);
823 if (atomic_read(&hba
->resetting
)) {
824 /* IOP is in unkown state, abort reset */
825 printk(KERN_ERR
"scsi%d: reset failed\n", hba
->host
->host_no
);
829 if (iop_send_sync_msg(hba
,
830 IOPMU_INBOUND_MSG0_START_BACKGROUND_TASK
, 5000)) {
831 dprintk("scsi%d: fail to start background task\n",
838 static int hptiop_reset(struct scsi_cmnd
*scp
)
840 struct Scsi_Host
* host
= scp
->device
->host
;
841 struct hptiop_hba
* hba
= (struct hptiop_hba
*)host
->hostdata
;
843 printk(KERN_WARNING
"hptiop_reset(%d/%d/%d) scp=%p\n",
844 scp
->device
->host
->host_no
, scp
->device
->channel
,
845 scp
->device
->id
, scp
);
847 return hptiop_reset_hba(hba
)? FAILED
: SUCCESS
;
850 static int hptiop_adjust_disk_queue_depth(struct scsi_device
*sdev
,
853 struct hptiop_hba
*hba
= (struct hptiop_hba
*)sdev
->host
->hostdata
;
855 if (queue_depth
> hba
->max_requests
)
856 queue_depth
= hba
->max_requests
;
857 scsi_adjust_queue_depth(sdev
, MSG_ORDERED_TAG
, queue_depth
);
861 static ssize_t
hptiop_show_version(struct device
*dev
,
862 struct device_attribute
*attr
, char *buf
)
864 return snprintf(buf
, PAGE_SIZE
, "%s\n", driver_ver
);
867 static ssize_t
hptiop_show_fw_version(struct device
*dev
,
868 struct device_attribute
*attr
, char *buf
)
870 struct Scsi_Host
*host
= class_to_shost(dev
);
871 struct hptiop_hba
*hba
= (struct hptiop_hba
*)host
->hostdata
;
873 return snprintf(buf
, PAGE_SIZE
, "%d.%d.%d.%d\n",
874 hba
->firmware_version
>> 24,
875 (hba
->firmware_version
>> 16) & 0xff,
876 (hba
->firmware_version
>> 8) & 0xff,
877 hba
->firmware_version
& 0xff);
880 static struct device_attribute hptiop_attr_version
= {
882 .name
= "driver-version",
885 .show
= hptiop_show_version
,
888 static struct device_attribute hptiop_attr_fw_version
= {
890 .name
= "firmware-version",
893 .show
= hptiop_show_fw_version
,
896 static struct device_attribute
*hptiop_attrs
[] = {
897 &hptiop_attr_version
,
898 &hptiop_attr_fw_version
,
902 static struct scsi_host_template driver_template
= {
903 .module
= THIS_MODULE
,
905 .queuecommand
= hptiop_queuecommand
,
906 .eh_device_reset_handler
= hptiop_reset
,
907 .eh_bus_reset_handler
= hptiop_reset
,
910 .use_clustering
= ENABLE_CLUSTERING
,
911 .proc_name
= driver_name
,
912 .shost_attrs
= hptiop_attrs
,
914 .change_queue_depth
= hptiop_adjust_disk_queue_depth
,
917 static int hptiop_internal_memalloc_mv(struct hptiop_hba
*hba
)
919 hba
->u
.mv
.internal_req
= dma_alloc_coherent(&hba
->pcidev
->dev
,
920 0x800, &hba
->u
.mv
.internal_req_phy
, GFP_KERNEL
);
921 if (hba
->u
.mv
.internal_req
)
927 static int hptiop_internal_memfree_mv(struct hptiop_hba
*hba
)
929 if (hba
->u
.mv
.internal_req
) {
930 dma_free_coherent(&hba
->pcidev
->dev
, 0x800,
931 hba
->u
.mv
.internal_req
, hba
->u
.mv
.internal_req_phy
);
937 static int __devinit
hptiop_probe(struct pci_dev
*pcidev
,
938 const struct pci_device_id
*id
)
940 struct Scsi_Host
*host
= NULL
;
941 struct hptiop_hba
*hba
;
942 struct hpt_iop_request_get_config iop_config
;
943 struct hpt_iop_request_set_config set_config
;
944 dma_addr_t start_phy
;
946 u32 offset
, i
, req_size
;
948 dprintk("hptiop_probe(%p)\n", pcidev
);
950 if (pci_enable_device(pcidev
)) {
951 printk(KERN_ERR
"hptiop: fail to enable pci device\n");
955 printk(KERN_INFO
"adapter at PCI %d:%d:%d, IRQ %d\n",
956 pcidev
->bus
->number
, pcidev
->devfn
>> 3, pcidev
->devfn
& 7,
959 pci_set_master(pcidev
);
961 /* Enable 64bit DMA if possible */
962 if (pci_set_dma_mask(pcidev
, DMA_64BIT_MASK
)) {
963 if (pci_set_dma_mask(pcidev
, DMA_32BIT_MASK
)) {
964 printk(KERN_ERR
"hptiop: fail to set dma_mask\n");
965 goto disable_pci_device
;
969 if (pci_request_regions(pcidev
, driver_name
)) {
970 printk(KERN_ERR
"hptiop: pci_request_regions failed\n");
971 goto disable_pci_device
;
974 host
= scsi_host_alloc(&driver_template
, sizeof(struct hptiop_hba
));
976 printk(KERN_ERR
"hptiop: fail to alloc scsi host\n");
977 goto free_pci_regions
;
980 hba
= (struct hptiop_hba
*)host
->hostdata
;
982 hba
->ops
= (struct hptiop_adapter_ops
*)id
->driver_data
;
983 hba
->pcidev
= pcidev
;
985 hba
->initialized
= 0;
988 atomic_set(&hba
->resetting
, 0);
989 atomic_set(&hba
->reset_count
, 0);
991 init_waitqueue_head(&hba
->reset_wq
);
992 init_waitqueue_head(&hba
->ioctl_wq
);
995 host
->max_channel
= 0;
998 host
->irq
= pcidev
->irq
;
1000 if (hba
->ops
->map_pci_bar(hba
))
1001 goto free_scsi_host
;
1003 if (hba
->ops
->iop_wait_ready(hba
, 20000)) {
1004 printk(KERN_ERR
"scsi%d: firmware not ready\n",
1005 hba
->host
->host_no
);
1009 if (hba
->ops
->internal_memalloc
) {
1010 if (hba
->ops
->internal_memalloc(hba
)) {
1011 printk(KERN_ERR
"scsi%d: internal_memalloc failed\n",
1012 hba
->host
->host_no
);
1017 if (hba
->ops
->get_config(hba
, &iop_config
)) {
1018 printk(KERN_ERR
"scsi%d: get config failed\n",
1019 hba
->host
->host_no
);
1023 hba
->max_requests
= min(le32_to_cpu(iop_config
.max_requests
),
1024 HPTIOP_MAX_REQUESTS
);
1025 hba
->max_devices
= le32_to_cpu(iop_config
.max_devices
);
1026 hba
->max_request_size
= le32_to_cpu(iop_config
.request_size
);
1027 hba
->max_sg_descriptors
= le32_to_cpu(iop_config
.max_sg_count
);
1028 hba
->firmware_version
= le32_to_cpu(iop_config
.firmware_version
);
1029 hba
->interface_version
= le32_to_cpu(iop_config
.interface_version
);
1030 hba
->sdram_size
= le32_to_cpu(iop_config
.sdram_size
);
1032 if (hba
->firmware_version
> 0x01020000 ||
1033 hba
->interface_version
> 0x01020000)
1034 hba
->iopintf_v2
= 1;
1036 host
->max_sectors
= le32_to_cpu(iop_config
.data_transfer_length
) >> 9;
1037 host
->max_id
= le32_to_cpu(iop_config
.max_devices
);
1038 host
->sg_tablesize
= le32_to_cpu(iop_config
.max_sg_count
);
1039 host
->can_queue
= le32_to_cpu(iop_config
.max_requests
);
1040 host
->cmd_per_lun
= le32_to_cpu(iop_config
.max_requests
);
1041 host
->max_cmd_len
= 16;
1043 req_size
= sizeof(struct hpt_iop_request_scsi_command
)
1044 + sizeof(struct hpt_iopsg
) * (hba
->max_sg_descriptors
- 1);
1045 if ((req_size
& 0x1f) != 0)
1046 req_size
= (req_size
+ 0x1f) & ~0x1f;
1048 memset(&set_config
, 0, sizeof(struct hpt_iop_request_set_config
));
1049 set_config
.iop_id
= cpu_to_le32(host
->host_no
);
1050 set_config
.vbus_id
= cpu_to_le16(host
->host_no
);
1051 set_config
.max_host_request_size
= cpu_to_le16(req_size
);
1053 if (hba
->ops
->set_config(hba
, &set_config
)) {
1054 printk(KERN_ERR
"scsi%d: set config failed\n",
1055 hba
->host
->host_no
);
1059 pci_set_drvdata(pcidev
, host
);
1061 if (request_irq(pcidev
->irq
, hptiop_intr
, IRQF_SHARED
,
1062 driver_name
, hba
)) {
1063 printk(KERN_ERR
"scsi%d: request irq %d failed\n",
1064 hba
->host
->host_no
, pcidev
->irq
);
1068 /* Allocate request mem */
1070 dprintk("req_size=%d, max_requests=%d\n", req_size
, hba
->max_requests
);
1072 hba
->req_size
= req_size
;
1073 start_virt
= dma_alloc_coherent(&pcidev
->dev
,
1074 hba
->req_size
*hba
->max_requests
+ 0x20,
1075 &start_phy
, GFP_KERNEL
);
1078 printk(KERN_ERR
"scsi%d: fail to alloc request mem\n",
1079 hba
->host
->host_no
);
1080 goto free_request_irq
;
1083 hba
->dma_coherent
= start_virt
;
1084 hba
->dma_coherent_handle
= start_phy
;
1086 if ((start_phy
& 0x1f) != 0)
1088 offset
= ((start_phy
+ 0x1f) & ~0x1f) - start_phy
;
1089 start_phy
+= offset
;
1090 start_virt
+= offset
;
1093 hba
->req_list
= start_virt
;
1094 for (i
= 0; i
< hba
->max_requests
; i
++) {
1095 hba
->reqs
[i
].next
= NULL
;
1096 hba
->reqs
[i
].req_virt
= start_virt
;
1097 hba
->reqs
[i
].req_shifted_phy
= start_phy
>> 5;
1098 hba
->reqs
[i
].index
= i
;
1099 free_req(hba
, &hba
->reqs
[i
]);
1100 start_virt
= (char *)start_virt
+ hba
->req_size
;
1101 start_phy
= start_phy
+ hba
->req_size
;
1104 /* Enable Interrupt and start background task */
1105 if (hptiop_initialize_iop(hba
))
1106 goto free_request_mem
;
1108 if (scsi_add_host(host
, &pcidev
->dev
)) {
1109 printk(KERN_ERR
"scsi%d: scsi_add_host failed\n",
1110 hba
->host
->host_no
);
1111 goto free_request_mem
;
1115 scsi_scan_host(host
);
1117 dprintk("scsi%d: hptiop_probe successfully\n", hba
->host
->host_no
);
1121 dma_free_coherent(&hba
->pcidev
->dev
,
1122 hba
->req_size
* hba
->max_requests
+ 0x20,
1123 hba
->dma_coherent
, hba
->dma_coherent_handle
);
1126 free_irq(hba
->pcidev
->irq
, hba
);
1129 if (hba
->ops
->internal_memfree
)
1130 hba
->ops
->internal_memfree(hba
);
1132 hba
->ops
->unmap_pci_bar(hba
);
1135 scsi_host_put(host
);
1138 pci_release_regions(pcidev
);
1141 pci_disable_device(pcidev
);
1143 dprintk("scsi%d: hptiop_probe fail\n", host
->host_no
);
1147 static void hptiop_shutdown(struct pci_dev
*pcidev
)
1149 struct Scsi_Host
*host
= pci_get_drvdata(pcidev
);
1150 struct hptiop_hba
*hba
= (struct hptiop_hba
*)host
->hostdata
;
1152 dprintk("hptiop_shutdown(%p)\n", hba
);
1155 if (iop_send_sync_msg(hba
, IOPMU_INBOUND_MSG0_SHUTDOWN
, 60000))
1156 printk(KERN_ERR
"scsi%d: shutdown the iop timeout\n",
1157 hba
->host
->host_no
);
1159 /* disable all outbound interrupts */
1160 hba
->ops
->disable_intr(hba
);
1163 static void hptiop_disable_intr_itl(struct hptiop_hba
*hba
)
1167 int_mask
= readl(&hba
->u
.itl
.iop
->outbound_intmask
);
1169 IOPMU_OUTBOUND_INT_MSG0
| IOPMU_OUTBOUND_INT_POSTQUEUE
,
1170 &hba
->u
.itl
.iop
->outbound_intmask
);
1171 readl(&hba
->u
.itl
.iop
->outbound_intmask
);
1174 static void hptiop_disable_intr_mv(struct hptiop_hba
*hba
)
1176 writel(0, &hba
->u
.mv
.regs
->outbound_intmask
);
1177 readl(&hba
->u
.mv
.regs
->outbound_intmask
);
1180 static void hptiop_remove(struct pci_dev
*pcidev
)
1182 struct Scsi_Host
*host
= pci_get_drvdata(pcidev
);
1183 struct hptiop_hba
*hba
= (struct hptiop_hba
*)host
->hostdata
;
1185 dprintk("scsi%d: hptiop_remove\n", hba
->host
->host_no
);
1187 scsi_remove_host(host
);
1189 hptiop_shutdown(pcidev
);
1191 free_irq(hba
->pcidev
->irq
, hba
);
1193 dma_free_coherent(&hba
->pcidev
->dev
,
1194 hba
->req_size
* hba
->max_requests
+ 0x20,
1196 hba
->dma_coherent_handle
);
1198 if (hba
->ops
->internal_memfree
)
1199 hba
->ops
->internal_memfree(hba
);
1201 hba
->ops
->unmap_pci_bar(hba
);
1203 pci_release_regions(hba
->pcidev
);
1204 pci_set_drvdata(hba
->pcidev
, NULL
);
1205 pci_disable_device(hba
->pcidev
);
1207 scsi_host_put(host
);
1210 static struct hptiop_adapter_ops hptiop_itl_ops
= {
1211 .iop_wait_ready
= iop_wait_ready_itl
,
1212 .internal_memalloc
= NULL
,
1213 .internal_memfree
= NULL
,
1214 .map_pci_bar
= hptiop_map_pci_bar_itl
,
1215 .unmap_pci_bar
= hptiop_unmap_pci_bar_itl
,
1216 .enable_intr
= hptiop_enable_intr_itl
,
1217 .disable_intr
= hptiop_disable_intr_itl
,
1218 .get_config
= iop_get_config_itl
,
1219 .set_config
= iop_set_config_itl
,
1220 .iop_intr
= iop_intr_itl
,
1221 .post_msg
= hptiop_post_msg_itl
,
1222 .post_req
= hptiop_post_req_itl
,
1225 static struct hptiop_adapter_ops hptiop_mv_ops
= {
1226 .iop_wait_ready
= iop_wait_ready_mv
,
1227 .internal_memalloc
= hptiop_internal_memalloc_mv
,
1228 .internal_memfree
= hptiop_internal_memfree_mv
,
1229 .map_pci_bar
= hptiop_map_pci_bar_mv
,
1230 .unmap_pci_bar
= hptiop_unmap_pci_bar_mv
,
1231 .enable_intr
= hptiop_enable_intr_mv
,
1232 .disable_intr
= hptiop_disable_intr_mv
,
1233 .get_config
= iop_get_config_mv
,
1234 .set_config
= iop_set_config_mv
,
1235 .iop_intr
= iop_intr_mv
,
1236 .post_msg
= hptiop_post_msg_mv
,
1237 .post_req
= hptiop_post_req_mv
,
1240 static struct pci_device_id hptiop_id_table
[] = {
1241 { PCI_VDEVICE(TTI
, 0x3220), (kernel_ulong_t
)&hptiop_itl_ops
},
1242 { PCI_VDEVICE(TTI
, 0x3320), (kernel_ulong_t
)&hptiop_itl_ops
},
1243 { PCI_VDEVICE(TTI
, 0x3520), (kernel_ulong_t
)&hptiop_itl_ops
},
1244 { PCI_VDEVICE(TTI
, 0x4320), (kernel_ulong_t
)&hptiop_itl_ops
},
1245 { PCI_VDEVICE(TTI
, 0x3510), (kernel_ulong_t
)&hptiop_itl_ops
},
1246 { PCI_VDEVICE(TTI
, 0x3511), (kernel_ulong_t
)&hptiop_itl_ops
},
1247 { PCI_VDEVICE(TTI
, 0x3521), (kernel_ulong_t
)&hptiop_itl_ops
},
1248 { PCI_VDEVICE(TTI
, 0x3522), (kernel_ulong_t
)&hptiop_itl_ops
},
1249 { PCI_VDEVICE(TTI
, 0x3410), (kernel_ulong_t
)&hptiop_itl_ops
},
1250 { PCI_VDEVICE(TTI
, 0x3540), (kernel_ulong_t
)&hptiop_itl_ops
},
1251 { PCI_VDEVICE(TTI
, 0x3530), (kernel_ulong_t
)&hptiop_itl_ops
},
1252 { PCI_VDEVICE(TTI
, 0x3560), (kernel_ulong_t
)&hptiop_itl_ops
},
1253 { PCI_VDEVICE(TTI
, 0x4322), (kernel_ulong_t
)&hptiop_itl_ops
},
1254 { PCI_VDEVICE(TTI
, 0x4210), (kernel_ulong_t
)&hptiop_itl_ops
},
1255 { PCI_VDEVICE(TTI
, 0x4211), (kernel_ulong_t
)&hptiop_itl_ops
},
1256 { PCI_VDEVICE(TTI
, 0x4310), (kernel_ulong_t
)&hptiop_itl_ops
},
1257 { PCI_VDEVICE(TTI
, 0x4311), (kernel_ulong_t
)&hptiop_itl_ops
},
1258 { PCI_VDEVICE(TTI
, 0x3120), (kernel_ulong_t
)&hptiop_mv_ops
},
1259 { PCI_VDEVICE(TTI
, 0x3122), (kernel_ulong_t
)&hptiop_mv_ops
},
1260 { PCI_VDEVICE(TTI
, 0x3020), (kernel_ulong_t
)&hptiop_mv_ops
},
1264 MODULE_DEVICE_TABLE(pci
, hptiop_id_table
);
1266 static struct pci_driver hptiop_pci_driver
= {
1267 .name
= driver_name
,
1268 .id_table
= hptiop_id_table
,
1269 .probe
= hptiop_probe
,
1270 .remove
= hptiop_remove
,
1271 .shutdown
= hptiop_shutdown
,
1274 static int __init
hptiop_module_init(void)
1276 printk(KERN_INFO
"%s %s\n", driver_name_long
, driver_ver
);
1277 return pci_register_driver(&hptiop_pci_driver
);
1280 static void __exit
hptiop_module_exit(void)
1282 pci_unregister_driver(&hptiop_pci_driver
);
1286 module_init(hptiop_module_init
);
1287 module_exit(hptiop_module_exit
);
1289 MODULE_LICENSE("GPL");