2 * Adaptec AAC series RAID controller driver
3 * (c) Copyright 2001 Red Hat Inc.
5 * based on the old aacraid driver that is..
6 * Adaptec aacraid device driver for Linux.
8 * Copyright (c) 2000-2010 Adaptec, Inc.
9 * 2010 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2, or (at your option)
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; see the file COPYING. If not, write to
23 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
28 * Abstract: Hardware Device Interface for PMC SRC based controllers
32 #include <linux/kernel.h>
33 #include <linux/init.h>
34 #include <linux/types.h>
35 #include <linux/pci.h>
36 #include <linux/spinlock.h>
37 #include <linux/slab.h>
38 #include <linux/blkdev.h>
39 #include <linux/delay.h>
40 #include <linux/completion.h>
41 #include <linux/time.h>
42 #include <linux/interrupt.h>
43 #include <scsi/scsi_host.h>
47 static int aac_src_get_sync_status(struct aac_dev
*dev
);
49 static irqreturn_t
aac_src_intr_message(int irq
, void *dev_id
)
51 struct aac_msix_ctx
*ctx
;
53 unsigned long bellbits
, bellbits_shifted
;
55 int isFastResponse
, mode
;
58 ctx
= (struct aac_msix_ctx
*)dev_id
;
60 vector_no
= ctx
->vector_no
;
62 if (dev
->msi_enabled
) {
63 mode
= AAC_INT_MODE_MSI
;
65 bellbits
= src_readl(dev
, MUnit
.ODR_MSI
);
66 if (bellbits
& 0x40000)
67 mode
|= AAC_INT_MODE_AIF
;
68 if (bellbits
& 0x1000)
69 mode
|= AAC_INT_MODE_SYNC
;
72 mode
= AAC_INT_MODE_INTX
;
73 bellbits
= src_readl(dev
, MUnit
.ODR_R
);
74 if (bellbits
& PmDoorBellResponseSent
) {
75 bellbits
= PmDoorBellResponseSent
;
76 src_writel(dev
, MUnit
.ODR_C
, bellbits
);
77 src_readl(dev
, MUnit
.ODR_C
);
79 bellbits_shifted
= (bellbits
>> SRC_ODR_SHIFT
);
80 src_writel(dev
, MUnit
.ODR_C
, bellbits
);
81 src_readl(dev
, MUnit
.ODR_C
);
83 if (bellbits_shifted
& DoorBellAifPending
)
84 mode
|= AAC_INT_MODE_AIF
;
85 else if (bellbits_shifted
& OUTBOUNDDOORBELL_0
)
86 mode
|= AAC_INT_MODE_SYNC
;
90 if (mode
& AAC_INT_MODE_SYNC
) {
92 struct list_head
*entry
;
94 extern int aac_sync_mode
;
96 if (!aac_sync_mode
&& !dev
->msi_enabled
) {
97 src_writel(dev
, MUnit
.ODR_C
, bellbits
);
98 src_readl(dev
, MUnit
.ODR_C
);
102 if (dev
->sync_fib
->callback
)
103 dev
->sync_fib
->callback(dev
->sync_fib
->callback_data
,
105 spin_lock_irqsave(&dev
->sync_fib
->event_lock
, sflags
);
106 if (dev
->sync_fib
->flags
& FIB_CONTEXT_FLAG_WAIT
) {
107 dev
->management_fib_count
--;
108 up(&dev
->sync_fib
->event_wait
);
110 spin_unlock_irqrestore(&dev
->sync_fib
->event_lock
,
112 spin_lock_irqsave(&dev
->sync_lock
, sflags
);
113 if (!list_empty(&dev
->sync_fib_list
)) {
114 entry
= dev
->sync_fib_list
.next
;
115 dev
->sync_fib
= list_entry(entry
,
121 dev
->sync_fib
= NULL
;
123 spin_unlock_irqrestore(&dev
->sync_lock
, sflags
);
125 aac_adapter_sync_cmd(dev
, SEND_SYNCHRONOUS_FIB
,
126 (u32
)dev
->sync_fib
->hw_fib_pa
,
128 NULL
, NULL
, NULL
, NULL
, NULL
);
131 if (!dev
->msi_enabled
)
136 if (mode
& AAC_INT_MODE_AIF
) {
138 if (dev
->sa_firmware
) {
139 u32 events
= src_readl(dev
, MUnit
.SCR0
);
141 aac_intr_normal(dev
, events
, 1, 0, NULL
);
142 writel(events
, &dev
->IndexRegs
->Mailbox
[0]);
143 src_writel(dev
, MUnit
.IDR
, 1 << 23);
145 if (dev
->aif_thread
&& dev
->fsa_dev
)
146 aac_intr_normal(dev
, 0, 2, 0, NULL
);
148 if (dev
->msi_enabled
)
149 aac_src_access_devreg(dev
, AAC_CLEAR_AIF_BIT
);
154 index
= dev
->host_rrq_idx
[vector_no
];
158 /* remove toggle bit (31) */
159 handle
= le32_to_cpu((dev
->host_rrq
[index
])
161 /* check fast response bits (30, 1) */
162 if (handle
& 0x40000000)
164 handle
&= 0x0000ffff;
168 if (dev
->msi_enabled
&& dev
->max_msix
> 1)
169 atomic_dec(&dev
->rrq_outstanding
[vector_no
]);
170 aac_intr_normal(dev
, handle
, 0, isFastResponse
, NULL
);
171 dev
->host_rrq
[index
++] = 0;
172 if (index
== (vector_no
+ 1) * dev
->vector_cap
)
173 index
= vector_no
* dev
->vector_cap
;
174 dev
->host_rrq_idx
[vector_no
] = index
;
183 * aac_src_disable_interrupt - Disable interrupts
187 static void aac_src_disable_interrupt(struct aac_dev
*dev
)
189 src_writel(dev
, MUnit
.OIMR
, dev
->OIMR
= 0xffffffff);
193 * aac_src_enable_interrupt_message - Enable interrupts
197 static void aac_src_enable_interrupt_message(struct aac_dev
*dev
)
199 aac_src_access_devreg(dev
, AAC_ENABLE_INTERRUPT
);
203 * src_sync_cmd - send a command and wait
205 * @command: Command to execute
206 * @p1: first parameter
207 * @ret: adapter status
209 * This routine will send a synchronous command to the adapter and wait
210 * for its completion.
213 static int src_sync_cmd(struct aac_dev
*dev
, u32 command
,
214 u32 p1
, u32 p2
, u32 p3
, u32 p4
, u32 p5
, u32 p6
,
215 u32
*status
, u32
* r1
, u32
* r2
, u32
* r3
, u32
* r4
)
222 * Write the command into Mailbox 0
224 writel(command
, &dev
->IndexRegs
->Mailbox
[0]);
226 * Write the parameters into Mailboxes 1 - 6
228 writel(p1
, &dev
->IndexRegs
->Mailbox
[1]);
229 writel(p2
, &dev
->IndexRegs
->Mailbox
[2]);
230 writel(p3
, &dev
->IndexRegs
->Mailbox
[3]);
231 writel(p4
, &dev
->IndexRegs
->Mailbox
[4]);
234 * Clear the synch command doorbell to start on a clean slate.
236 if (!dev
->msi_enabled
)
239 OUTBOUNDDOORBELL_0
<< SRC_ODR_SHIFT
);
242 * Disable doorbell interrupts
244 src_writel(dev
, MUnit
.OIMR
, dev
->OIMR
= 0xffffffff);
247 * Force the completion of the mask register write before issuing
250 src_readl(dev
, MUnit
.OIMR
);
253 * Signal that there is a new synch command
255 src_writel(dev
, MUnit
.IDR
, INBOUNDDOORBELL_0
<< SRC_IDR_SHIFT
);
257 if (!dev
->sync_mode
|| command
!= SEND_SYNCHRONOUS_FIB
) {
261 if (command
== IOP_RESET_ALWAYS
) {
262 /* Wait up to 10 sec */
265 /* Wait up to 5 minutes */
268 while (time_before(jiffies
, start
+delay
)) {
269 udelay(5); /* Delay 5 microseconds to let Mon960 get info. */
271 * Mon960 will set doorbell0 bit when it has completed the command.
273 if (aac_src_get_sync_status(dev
) & OUTBOUNDDOORBELL_0
) {
275 * Clear the doorbell.
277 if (dev
->msi_enabled
)
278 aac_src_access_devreg(dev
,
283 OUTBOUNDDOORBELL_0
<< SRC_ODR_SHIFT
);
288 * Yield the processor in case we are slow
292 if (unlikely(ok
!= 1)) {
294 * Restore interrupt mask even though we timed out
296 aac_adapter_enable_int(dev
);
300 * Pull the synch status from Mailbox 0.
303 *status
= readl(&dev
->IndexRegs
->Mailbox
[0]);
305 *r1
= readl(&dev
->IndexRegs
->Mailbox
[1]);
307 *r2
= readl(&dev
->IndexRegs
->Mailbox
[2]);
309 *r3
= readl(&dev
->IndexRegs
->Mailbox
[3]);
311 *r4
= readl(&dev
->IndexRegs
->Mailbox
[4]);
312 if (command
== GET_COMM_PREFERRED_SETTINGS
)
314 readl(&dev
->IndexRegs
->Mailbox
[5]) & 0xFFFF;
316 * Clear the synch command doorbell.
318 if (!dev
->msi_enabled
)
321 OUTBOUNDDOORBELL_0
<< SRC_ODR_SHIFT
);
325 * Restore interrupt mask
327 aac_adapter_enable_int(dev
);
332 * aac_src_interrupt_adapter - interrupt adapter
335 * Send an interrupt to the i960 and breakpoint it.
338 static void aac_src_interrupt_adapter(struct aac_dev
*dev
)
340 src_sync_cmd(dev
, BREAKPOINT_REQUEST
,
342 NULL
, NULL
, NULL
, NULL
, NULL
);
346 * aac_src_notify_adapter - send an event to the adapter
348 * @event: Event to send
350 * Notify the i960 that something it probably cares about has
354 static void aac_src_notify_adapter(struct aac_dev
*dev
, u32 event
)
359 src_writel(dev
, MUnit
.ODR_C
,
360 INBOUNDDOORBELL_1
<< SRC_ODR_SHIFT
);
362 case HostNormRespNotFull
:
363 src_writel(dev
, MUnit
.ODR_C
,
364 INBOUNDDOORBELL_4
<< SRC_ODR_SHIFT
);
366 case AdapNormRespQue
:
367 src_writel(dev
, MUnit
.ODR_C
,
368 INBOUNDDOORBELL_2
<< SRC_ODR_SHIFT
);
370 case HostNormCmdNotFull
:
371 src_writel(dev
, MUnit
.ODR_C
,
372 INBOUNDDOORBELL_3
<< SRC_ODR_SHIFT
);
375 src_writel(dev
, MUnit
.ODR_C
,
376 INBOUNDDOORBELL_6
<< SRC_ODR_SHIFT
);
379 src_writel(dev
, MUnit
.ODR_C
,
380 INBOUNDDOORBELL_5
<< SRC_ODR_SHIFT
);
389 * aac_src_start_adapter - activate adapter
392 * Start up processing on an i960 based AAC adapter
395 static void aac_src_start_adapter(struct aac_dev
*dev
)
397 union aac_init
*init
;
400 /* reset host_rrq_idx first */
401 for (i
= 0; i
< dev
->max_msix
; i
++) {
402 dev
->host_rrq_idx
[i
] = i
* dev
->vector_cap
;
403 atomic_set(&dev
->rrq_outstanding
[i
], 0);
405 atomic_set(&dev
->msix_counter
, 0);
406 dev
->fibs_pushed_no
= 0;
409 if (dev
->comm_interface
== AAC_COMM_MESSAGE_TYPE3
) {
410 init
->r8
.host_elapsed_seconds
= cpu_to_le32(get_seconds());
411 src_sync_cmd(dev
, INIT_STRUCT_BASE_ADDRESS
,
412 (u32
)(ulong
)dev
->init_pa
,
413 (u32
)((ulong
)dev
->init_pa
>>32),
415 (AAC_MAX_HRRQ
- 1) * sizeof(struct _rrq
),
416 0, 0, 0, NULL
, NULL
, NULL
, NULL
, NULL
);
418 init
->r7
.host_elapsed_seconds
= cpu_to_le32(get_seconds());
419 // We can only use a 32 bit address here
420 src_sync_cmd(dev
, INIT_STRUCT_BASE_ADDRESS
,
421 (u32
)(ulong
)dev
->init_pa
, 0, 0, 0, 0, 0,
422 NULL
, NULL
, NULL
, NULL
, NULL
);
428 * aac_src_check_health
429 * @dev: device to check if healthy
431 * Will attempt to determine if the specified adapter is alive and
432 * capable of handling requests, returning 0 if alive.
434 static int aac_src_check_health(struct aac_dev
*dev
)
436 u32 status
= src_readl(dev
, MUnit
.OMR
);
439 * Check to see if the board failed any self tests.
441 if (unlikely(status
& SELF_TEST_FAILED
))
445 * Check to see if the board panic'd.
447 if (unlikely(status
& KERNEL_PANIC
))
448 return (status
>> 16) & 0xFF;
450 * Wait for the adapter to be up and running.
452 if (unlikely(!(status
& KERNEL_UP_AND_RUNNING
)))
460 static inline u32
aac_get_vector(struct aac_dev
*dev
)
462 return atomic_inc_return(&dev
->msix_counter
)%dev
->max_msix
;
466 * aac_src_deliver_message
469 * Will send a fib, returning 0 if successful.
471 static int aac_src_deliver_message(struct fib
*fib
)
473 struct aac_dev
*dev
= fib
->dev
;
474 struct aac_queue
*q
= &dev
->queues
->queue
[AdapNormCmdQueue
];
477 struct aac_fib_xporthdr
*pFibX
;
485 atomic_inc(&q
->numpending
);
487 native_hba
= (fib
->flags
& FIB_CONTEXT_FLAG_NATIVE_HBA
) ? 1 : 0;
490 if (dev
->msi_enabled
&& dev
->max_msix
> 1 &&
491 (native_hba
|| fib
->hw_fib_va
->header
.Command
!= AifRequest
)) {
493 if ((dev
->comm_interface
== AAC_COMM_MESSAGE_TYPE3
)
495 vector_no
= aac_get_vector(dev
);
497 vector_no
= fib
->vector_no
;
500 if (fib
->flags
& FIB_CONTEXT_FLAG_NATIVE_HBA_TMF
) {
501 struct aac_hba_tm_req
*tm_req
;
503 tm_req
= (struct aac_hba_tm_req
*)
505 if (tm_req
->iu_type
==
506 HBA_IU_TYPE_SCSI_TM_REQ
) {
507 ((struct aac_hba_tm_req
*)
508 fib
->hw_fib_va
)->reply_qid
510 ((struct aac_hba_tm_req
*)
511 fib
->hw_fib_va
)->request_id
512 += (vector_no
<< 16);
514 ((struct aac_hba_reset_req
*)
515 fib
->hw_fib_va
)->reply_qid
517 ((struct aac_hba_reset_req
*)
518 fib
->hw_fib_va
)->request_id
519 += (vector_no
<< 16);
522 ((struct aac_hba_cmd_req
*)
523 fib
->hw_fib_va
)->reply_qid
525 ((struct aac_hba_cmd_req
*)
526 fib
->hw_fib_va
)->request_id
527 += (vector_no
<< 16);
530 fib
->hw_fib_va
->header
.Handle
+= (vector_no
<< 16);
536 atomic_inc(&dev
->rrq_outstanding
[vector_no
]);
539 address
= fib
->hw_fib_pa
;
540 fibsize
= (fib
->hbacmd_size
+ 127) / 128 - 1;
545 src_writeq(dev
, MUnit
.IQN_L
, (u64
)address
);
547 spin_lock_irqsave(&fib
->dev
->iq_lock
, flags
);
548 src_writel(dev
, MUnit
.IQN_H
,
549 upper_32_bits(address
) & 0xffffffff);
550 src_writel(dev
, MUnit
.IQN_L
, address
& 0xffffffff);
551 spin_unlock_irqrestore(&fib
->dev
->iq_lock
, flags
);
554 if (dev
->comm_interface
== AAC_COMM_MESSAGE_TYPE2
||
555 dev
->comm_interface
== AAC_COMM_MESSAGE_TYPE3
) {
556 /* Calculate the amount to the fibsize bits */
557 fibsize
= (le16_to_cpu(fib
->hw_fib_va
->header
.Size
)
559 /* New FIB header, 32-bit */
560 address
= fib
->hw_fib_pa
;
561 fib
->hw_fib_va
->header
.StructType
= FIB_MAGIC2
;
562 fib
->hw_fib_va
->header
.SenderFibAddress
=
563 cpu_to_le32((u32
)address
);
564 fib
->hw_fib_va
->header
.u
.TimeStamp
= 0;
565 WARN_ON(((u32
)(((address
) >> 16) >> 16)) != 0L);
567 /* Calculate the amount to the fibsize bits */
568 fibsize
= (sizeof(struct aac_fib_xporthdr
) +
569 le16_to_cpu(fib
->hw_fib_va
->header
.Size
)
571 /* Fill XPORT header */
572 pFibX
= (struct aac_fib_xporthdr
*)
573 ((unsigned char *)fib
->hw_fib_va
-
574 sizeof(struct aac_fib_xporthdr
));
575 pFibX
->Handle
= fib
->hw_fib_va
->header
.Handle
;
577 cpu_to_le64((u64
)fib
->hw_fib_pa
);
578 pFibX
->Size
= cpu_to_le32(
579 le16_to_cpu(fib
->hw_fib_va
->header
.Size
));
580 address
= fib
->hw_fib_pa
-
581 (u64
)sizeof(struct aac_fib_xporthdr
);
588 src_writeq(dev
, MUnit
.IQ_L
, (u64
)address
);
590 spin_lock_irqsave(&fib
->dev
->iq_lock
, flags
);
591 src_writel(dev
, MUnit
.IQ_H
,
592 upper_32_bits(address
) & 0xffffffff);
593 src_writel(dev
, MUnit
.IQ_L
, address
& 0xffffffff);
594 spin_unlock_irqrestore(&fib
->dev
->iq_lock
, flags
);
602 * @size: mapping resize request
605 static int aac_src_ioremap(struct aac_dev
*dev
, u32 size
)
608 iounmap(dev
->regs
.src
.bar1
);
609 dev
->regs
.src
.bar1
= NULL
;
610 iounmap(dev
->regs
.src
.bar0
);
611 dev
->base
= dev
->regs
.src
.bar0
= NULL
;
614 dev
->regs
.src
.bar1
= ioremap(pci_resource_start(dev
->pdev
, 2),
615 AAC_MIN_SRC_BAR1_SIZE
);
617 if (dev
->regs
.src
.bar1
== NULL
)
619 dev
->base
= dev
->regs
.src
.bar0
= ioremap(dev
->base_start
, size
);
620 if (dev
->base
== NULL
) {
621 iounmap(dev
->regs
.src
.bar1
);
622 dev
->regs
.src
.bar1
= NULL
;
625 dev
->IndexRegs
= &((struct src_registers __iomem
*)
626 dev
->base
)->u
.tupelo
.IndexRegs
;
632 * @size: mapping resize request
635 static int aac_srcv_ioremap(struct aac_dev
*dev
, u32 size
)
638 iounmap(dev
->regs
.src
.bar0
);
639 dev
->base
= dev
->regs
.src
.bar0
= NULL
;
644 ioremap(pci_resource_start(dev
->pdev
, 2), AAC_MIN_SRCV_BAR1_SIZE
);
646 if (dev
->regs
.src
.bar1
== NULL
)
648 dev
->base
= dev
->regs
.src
.bar0
= ioremap(dev
->base_start
, size
);
649 if (dev
->base
== NULL
) {
650 iounmap(dev
->regs
.src
.bar1
);
651 dev
->regs
.src
.bar1
= NULL
;
654 dev
->IndexRegs
= &((struct src_registers __iomem
*)
655 dev
->base
)->u
.denali
.IndexRegs
;
659 static int aac_src_restart_adapter(struct aac_dev
*dev
, int bled
)
665 printk(KERN_ERR
"%s%d: adapter kernel panic'd %x.\n",
666 dev
->name
, dev
->id
, bled
);
667 dev
->a_ops
.adapter_enable_int
= aac_src_disable_interrupt
;
668 bled
= aac_adapter_sync_cmd(dev
, IOP_RESET_ALWAYS
,
669 0, 0, 0, 0, 0, 0, &var
, &reset_mask
, NULL
, NULL
, NULL
);
670 if ((bled
|| (var
!= 0x00000001)) &&
673 else if (dev
->doorbell_mask
) {
674 reset_mask
= dev
->doorbell_mask
;
679 if ((dev
->pdev
->device
== PMC_DEVICE_S7
||
680 dev
->pdev
->device
== PMC_DEVICE_S8
||
681 dev
->pdev
->device
== PMC_DEVICE_S9
) && dev
->msi_enabled
) {
682 aac_src_access_devreg(dev
, AAC_ENABLE_INTX
);
683 dev
->msi_enabled
= 0;
684 msleep(5000); /* Delay 5 seconds */
687 if (!bled
&& (dev
->supplement_adapter_info
.SupportedOptions2
&
688 AAC_OPTION_DOORBELL_RESET
)) {
689 src_writel(dev
, MUnit
.IDR
, reset_mask
);
692 src_writel(dev
, MUnit
.IDR
, 0x100);
697 if (src_readl(dev
, MUnit
.OMR
) & KERNEL_PANIC
)
700 if (startup_timeout
< 300)
701 startup_timeout
= 300;
707 * aac_src_select_comm - Select communications method
709 * @comm: communications method
711 static int aac_src_select_comm(struct aac_dev
*dev
, int comm
)
714 case AAC_COMM_MESSAGE
:
715 dev
->a_ops
.adapter_intr
= aac_src_intr_message
;
716 dev
->a_ops
.adapter_deliver
= aac_src_deliver_message
;
725 * aac_src_init - initialize an Cardinal Frey Bar card
726 * @dev: device to configure
730 int aac_src_init(struct aac_dev
*dev
)
733 unsigned long status
;
735 int instance
= dev
->id
;
736 const char *name
= dev
->name
;
738 dev
->a_ops
.adapter_ioremap
= aac_src_ioremap
;
739 dev
->a_ops
.adapter_comm
= aac_src_select_comm
;
741 dev
->base_size
= AAC_MIN_SRC_BAR0_SIZE
;
742 if (aac_adapter_ioremap(dev
, dev
->base_size
)) {
743 printk(KERN_WARNING
"%s: unable to map adapter.\n", name
);
747 /* Failure to reset here is an option ... */
748 dev
->a_ops
.adapter_sync_cmd
= src_sync_cmd
;
749 dev
->a_ops
.adapter_enable_int
= aac_src_disable_interrupt
;
750 if ((aac_reset_devices
|| reset_devices
) &&
751 !aac_src_restart_adapter(dev
, 0))
754 * Check to see if the board panic'd while booting.
756 status
= src_readl(dev
, MUnit
.OMR
);
757 if (status
& KERNEL_PANIC
) {
758 if (aac_src_restart_adapter(dev
, aac_src_check_health(dev
)))
763 * Check to see if the board failed any self tests.
765 status
= src_readl(dev
, MUnit
.OMR
);
766 if (status
& SELF_TEST_FAILED
) {
767 printk(KERN_ERR
"%s%d: adapter self-test failed.\n",
768 dev
->name
, instance
);
772 * Check to see if the monitor panic'd while booting.
774 if (status
& MONITOR_PANIC
) {
775 printk(KERN_ERR
"%s%d: adapter monitor panic.\n",
776 dev
->name
, instance
);
781 * Wait for the adapter to be up and running. Wait up to 3 minutes
783 while (!((status
= src_readl(dev
, MUnit
.OMR
)) &
784 KERNEL_UP_AND_RUNNING
)) {
786 (status
& (KERNEL_PANIC
|SELF_TEST_FAILED
|MONITOR_PANIC
))) ||
787 time_after(jiffies
, start
+HZ
*startup_timeout
)) {
788 printk(KERN_ERR
"%s%d: adapter kernel failed to start, init status = %lx.\n",
789 dev
->name
, instance
, status
);
793 ((status
& (KERNEL_PANIC
|SELF_TEST_FAILED
|MONITOR_PANIC
)) ||
794 time_after(jiffies
, start
+ HZ
*
795 ((startup_timeout
> 60)
796 ? (startup_timeout
- 60)
797 : (startup_timeout
/ 2))))) {
798 if (likely(!aac_src_restart_adapter(dev
,
799 aac_src_check_health(dev
))))
805 if (restart
&& aac_commit
)
808 * Fill in the common function dispatch table.
810 dev
->a_ops
.adapter_interrupt
= aac_src_interrupt_adapter
;
811 dev
->a_ops
.adapter_disable_int
= aac_src_disable_interrupt
;
812 dev
->a_ops
.adapter_enable_int
= aac_src_disable_interrupt
;
813 dev
->a_ops
.adapter_notify
= aac_src_notify_adapter
;
814 dev
->a_ops
.adapter_sync_cmd
= src_sync_cmd
;
815 dev
->a_ops
.adapter_check_health
= aac_src_check_health
;
816 dev
->a_ops
.adapter_restart
= aac_src_restart_adapter
;
817 dev
->a_ops
.adapter_start
= aac_src_start_adapter
;
820 * First clear out all interrupts. Then enable the one's that we
823 aac_adapter_comm(dev
, AAC_COMM_MESSAGE
);
824 aac_adapter_disable_int(dev
);
825 src_writel(dev
, MUnit
.ODR_C
, 0xffffffff);
826 aac_adapter_enable_int(dev
);
828 if (aac_init_adapter(dev
) == NULL
)
830 if (dev
->comm_interface
!= AAC_COMM_MESSAGE_TYPE1
)
833 dev
->msi
= !pci_enable_msi(dev
->pdev
);
835 dev
->aac_msix
[0].vector_no
= 0;
836 dev
->aac_msix
[0].dev
= dev
;
838 if (request_irq(dev
->pdev
->irq
, dev
->a_ops
.adapter_intr
,
839 IRQF_SHARED
, "aacraid", &(dev
->aac_msix
[0])) < 0) {
842 pci_disable_msi(dev
->pdev
);
844 printk(KERN_ERR
"%s%d: Interrupt unavailable.\n",
848 dev
->dbg_base
= pci_resource_start(dev
->pdev
, 2);
849 dev
->dbg_base_mapped
= dev
->regs
.src
.bar1
;
850 dev
->dbg_size
= AAC_MIN_SRC_BAR1_SIZE
;
851 dev
->a_ops
.adapter_enable_int
= aac_src_enable_interrupt_message
;
853 aac_adapter_enable_int(dev
);
855 if (!dev
->sync_mode
) {
857 * Tell the adapter that all is configured, and it can
858 * start accepting requests
860 aac_src_start_adapter(dev
);
870 * aac_srcv_init - initialize an SRCv card
871 * @dev: device to configure
875 int aac_srcv_init(struct aac_dev
*dev
)
878 unsigned long status
;
880 int instance
= dev
->id
;
881 const char *name
= dev
->name
;
883 dev
->a_ops
.adapter_ioremap
= aac_srcv_ioremap
;
884 dev
->a_ops
.adapter_comm
= aac_src_select_comm
;
886 dev
->base_size
= AAC_MIN_SRCV_BAR0_SIZE
;
887 if (aac_adapter_ioremap(dev
, dev
->base_size
)) {
888 printk(KERN_WARNING
"%s: unable to map adapter.\n", name
);
892 /* Failure to reset here is an option ... */
893 dev
->a_ops
.adapter_sync_cmd
= src_sync_cmd
;
894 dev
->a_ops
.adapter_enable_int
= aac_src_disable_interrupt
;
895 if ((aac_reset_devices
|| reset_devices
) &&
896 !aac_src_restart_adapter(dev
, 0))
899 * Check to see if flash update is running.
900 * Wait for the adapter to be up and running. Wait up to 5 minutes
902 status
= src_readl(dev
, MUnit
.OMR
);
903 if (status
& FLASH_UPD_PENDING
) {
906 status
= src_readl(dev
, MUnit
.OMR
);
907 if (time_after(jiffies
, start
+HZ
*FWUPD_TIMEOUT
)) {
908 printk(KERN_ERR
"%s%d: adapter flash update failed.\n",
909 dev
->name
, instance
);
912 } while (!(status
& FLASH_UPD_SUCCESS
) &&
913 !(status
& FLASH_UPD_FAILED
));
915 * Because right now FW is doing a soft reset,
916 * do not read scratch pad register at this time
921 * Check to see if the board panic'd while booting.
923 status
= src_readl(dev
, MUnit
.OMR
);
924 if (status
& KERNEL_PANIC
) {
925 if (aac_src_restart_adapter(dev
, aac_src_check_health(dev
)))
930 * Check to see if the board failed any self tests.
932 status
= src_readl(dev
, MUnit
.OMR
);
933 if (status
& SELF_TEST_FAILED
) {
934 printk(KERN_ERR
"%s%d: adapter self-test failed.\n", dev
->name
, instance
);
938 * Check to see if the monitor panic'd while booting.
940 if (status
& MONITOR_PANIC
) {
941 printk(KERN_ERR
"%s%d: adapter monitor panic.\n", dev
->name
, instance
);
946 * Wait for the adapter to be up and running. Wait up to 3 minutes
948 while (!((status
= src_readl(dev
, MUnit
.OMR
)) &
949 KERNEL_UP_AND_RUNNING
) ||
950 status
== 0xffffffff) {
952 (status
& (KERNEL_PANIC
|SELF_TEST_FAILED
|MONITOR_PANIC
))) ||
953 time_after(jiffies
, start
+HZ
*startup_timeout
)) {
954 printk(KERN_ERR
"%s%d: adapter kernel failed to start, init status = %lx.\n",
955 dev
->name
, instance
, status
);
959 ((status
& (KERNEL_PANIC
|SELF_TEST_FAILED
|MONITOR_PANIC
)) ||
960 time_after(jiffies
, start
+ HZ
*
961 ((startup_timeout
> 60)
962 ? (startup_timeout
- 60)
963 : (startup_timeout
/ 2))))) {
964 if (likely(!aac_src_restart_adapter(dev
, aac_src_check_health(dev
))))
970 if (restart
&& aac_commit
)
973 * Fill in the common function dispatch table.
975 dev
->a_ops
.adapter_interrupt
= aac_src_interrupt_adapter
;
976 dev
->a_ops
.adapter_disable_int
= aac_src_disable_interrupt
;
977 dev
->a_ops
.adapter_enable_int
= aac_src_disable_interrupt
;
978 dev
->a_ops
.adapter_notify
= aac_src_notify_adapter
;
979 dev
->a_ops
.adapter_sync_cmd
= src_sync_cmd
;
980 dev
->a_ops
.adapter_check_health
= aac_src_check_health
;
981 dev
->a_ops
.adapter_restart
= aac_src_restart_adapter
;
982 dev
->a_ops
.adapter_start
= aac_src_start_adapter
;
985 * First clear out all interrupts. Then enable the one's that we
988 aac_adapter_comm(dev
, AAC_COMM_MESSAGE
);
989 aac_adapter_disable_int(dev
);
990 src_writel(dev
, MUnit
.ODR_C
, 0xffffffff);
991 aac_adapter_enable_int(dev
);
993 if (aac_init_adapter(dev
) == NULL
)
995 if ((dev
->comm_interface
!= AAC_COMM_MESSAGE_TYPE2
) &&
996 (dev
->comm_interface
!= AAC_COMM_MESSAGE_TYPE3
))
998 if (dev
->msi_enabled
)
999 aac_src_access_devreg(dev
, AAC_ENABLE_MSIX
);
1001 if (aac_acquire_irq(dev
))
1004 dev
->dbg_base
= pci_resource_start(dev
->pdev
, 2);
1005 dev
->dbg_base_mapped
= dev
->regs
.src
.bar1
;
1006 dev
->dbg_size
= AAC_MIN_SRCV_BAR1_SIZE
;
1007 dev
->a_ops
.adapter_enable_int
= aac_src_enable_interrupt_message
;
1009 aac_adapter_enable_int(dev
);
1011 if (!dev
->sync_mode
) {
1013 * Tell the adapter that all is configured, and it can
1014 * start accepting requests
1016 aac_src_start_adapter(dev
);
1025 void aac_src_access_devreg(struct aac_dev
*dev
, int mode
)
1030 case AAC_ENABLE_INTERRUPT
:
1033 dev
->OIMR
= (dev
->msi_enabled
?
1034 AAC_INT_ENABLE_TYPE1_MSIX
:
1035 AAC_INT_ENABLE_TYPE1_INTX
));
1038 case AAC_DISABLE_INTERRUPT
:
1041 dev
->OIMR
= AAC_INT_DISABLE_ALL
);
1044 case AAC_ENABLE_MSIX
:
1046 val
= src_readl(dev
, MUnit
.IDR
);
1048 src_writel(dev
, MUnit
.IDR
, val
);
1049 src_readl(dev
, MUnit
.IDR
);
1051 val
= PMC_ALL_INTERRUPT_BITS
;
1052 src_writel(dev
, MUnit
.IOAR
, val
);
1053 val
= src_readl(dev
, MUnit
.OIMR
);
1056 val
& (~(PMC_GLOBAL_INT_BIT2
| PMC_GLOBAL_INT_BIT0
)));
1059 case AAC_DISABLE_MSIX
:
1061 val
= src_readl(dev
, MUnit
.IDR
);
1063 src_writel(dev
, MUnit
.IDR
, val
);
1064 src_readl(dev
, MUnit
.IDR
);
1067 case AAC_CLEAR_AIF_BIT
:
1069 val
= src_readl(dev
, MUnit
.IDR
);
1071 src_writel(dev
, MUnit
.IDR
, val
);
1072 src_readl(dev
, MUnit
.IDR
);
1075 case AAC_CLEAR_SYNC_BIT
:
1077 val
= src_readl(dev
, MUnit
.IDR
);
1079 src_writel(dev
, MUnit
.IDR
, val
);
1080 src_readl(dev
, MUnit
.IDR
);
1083 case AAC_ENABLE_INTX
:
1085 val
= src_readl(dev
, MUnit
.IDR
);
1087 src_writel(dev
, MUnit
.IDR
, val
);
1088 src_readl(dev
, MUnit
.IDR
);
1090 val
= PMC_ALL_INTERRUPT_BITS
;
1091 src_writel(dev
, MUnit
.IOAR
, val
);
1092 src_readl(dev
, MUnit
.IOAR
);
1093 val
= src_readl(dev
, MUnit
.OIMR
);
1094 src_writel(dev
, MUnit
.OIMR
,
1095 val
& (~(PMC_GLOBAL_INT_BIT2
)));
1103 static int aac_src_get_sync_status(struct aac_dev
*dev
)
1108 if (dev
->msi_enabled
)
1109 val
= src_readl(dev
, MUnit
.ODR_MSI
) & 0x1000 ? 1 : 0;
1111 val
= src_readl(dev
, MUnit
.ODR_R
) >> SRC_ODR_SHIFT
;