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 * 2010-2015 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
10 * 2016-2017 Microsemi Corp. (aacraid@microsemi.com)
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2, or (at your option)
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; see the file COPYING. If not, write to
24 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
29 * Abstract: Hardware Device Interface for PMC SRC based controllers
33 #include <linux/kernel.h>
34 #include <linux/init.h>
35 #include <linux/types.h>
36 #include <linux/pci.h>
37 #include <linux/spinlock.h>
38 #include <linux/slab.h>
39 #include <linux/blkdev.h>
40 #include <linux/delay.h>
41 #include <linux/completion.h>
42 #include <linux/time.h>
43 #include <linux/interrupt.h>
44 #include <scsi/scsi_host.h>
48 static int aac_src_get_sync_status(struct aac_dev
*dev
);
50 static irqreturn_t
aac_src_intr_message(int irq
, void *dev_id
)
52 struct aac_msix_ctx
*ctx
;
54 unsigned long bellbits
, bellbits_shifted
;
56 int isFastResponse
, mode
;
59 ctx
= (struct aac_msix_ctx
*)dev_id
;
61 vector_no
= ctx
->vector_no
;
63 if (dev
->msi_enabled
) {
64 mode
= AAC_INT_MODE_MSI
;
66 bellbits
= src_readl(dev
, MUnit
.ODR_MSI
);
67 if (bellbits
& 0x40000)
68 mode
|= AAC_INT_MODE_AIF
;
69 if (bellbits
& 0x1000)
70 mode
|= AAC_INT_MODE_SYNC
;
73 mode
= AAC_INT_MODE_INTX
;
74 bellbits
= src_readl(dev
, MUnit
.ODR_R
);
75 if (bellbits
& PmDoorBellResponseSent
) {
76 bellbits
= PmDoorBellResponseSent
;
77 src_writel(dev
, MUnit
.ODR_C
, bellbits
);
78 src_readl(dev
, MUnit
.ODR_C
);
80 bellbits_shifted
= (bellbits
>> SRC_ODR_SHIFT
);
81 src_writel(dev
, MUnit
.ODR_C
, bellbits
);
82 src_readl(dev
, MUnit
.ODR_C
);
84 if (bellbits_shifted
& DoorBellAifPending
)
85 mode
|= AAC_INT_MODE_AIF
;
86 else if (bellbits_shifted
& OUTBOUNDDOORBELL_0
)
87 mode
|= AAC_INT_MODE_SYNC
;
91 if (mode
& AAC_INT_MODE_SYNC
) {
93 struct list_head
*entry
;
95 extern int aac_sync_mode
;
97 if (!aac_sync_mode
&& !dev
->msi_enabled
) {
98 src_writel(dev
, MUnit
.ODR_C
, bellbits
);
99 src_readl(dev
, MUnit
.ODR_C
);
103 if (dev
->sync_fib
->callback
)
104 dev
->sync_fib
->callback(dev
->sync_fib
->callback_data
,
106 spin_lock_irqsave(&dev
->sync_fib
->event_lock
, sflags
);
107 if (dev
->sync_fib
->flags
& FIB_CONTEXT_FLAG_WAIT
) {
108 dev
->management_fib_count
--;
109 up(&dev
->sync_fib
->event_wait
);
111 spin_unlock_irqrestore(&dev
->sync_fib
->event_lock
,
113 spin_lock_irqsave(&dev
->sync_lock
, sflags
);
114 if (!list_empty(&dev
->sync_fib_list
)) {
115 entry
= dev
->sync_fib_list
.next
;
116 dev
->sync_fib
= list_entry(entry
,
122 dev
->sync_fib
= NULL
;
124 spin_unlock_irqrestore(&dev
->sync_lock
, sflags
);
126 aac_adapter_sync_cmd(dev
, SEND_SYNCHRONOUS_FIB
,
127 (u32
)dev
->sync_fib
->hw_fib_pa
,
129 NULL
, NULL
, NULL
, NULL
, NULL
);
132 if (!dev
->msi_enabled
)
137 if (mode
& AAC_INT_MODE_AIF
) {
139 if (dev
->sa_firmware
) {
140 u32 events
= src_readl(dev
, MUnit
.SCR0
);
142 aac_intr_normal(dev
, events
, 1, 0, NULL
);
143 writel(events
, &dev
->IndexRegs
->Mailbox
[0]);
144 src_writel(dev
, MUnit
.IDR
, 1 << 23);
146 if (dev
->aif_thread
&& dev
->fsa_dev
)
147 aac_intr_normal(dev
, 0, 2, 0, NULL
);
149 if (dev
->msi_enabled
)
150 aac_src_access_devreg(dev
, AAC_CLEAR_AIF_BIT
);
155 index
= dev
->host_rrq_idx
[vector_no
];
159 /* remove toggle bit (31) */
160 handle
= le32_to_cpu((dev
->host_rrq
[index
])
162 /* check fast response bits (30, 1) */
163 if (handle
& 0x40000000)
165 handle
&= 0x0000ffff;
169 if (dev
->msi_enabled
&& dev
->max_msix
> 1)
170 atomic_dec(&dev
->rrq_outstanding
[vector_no
]);
171 aac_intr_normal(dev
, handle
, 0, isFastResponse
, NULL
);
172 dev
->host_rrq
[index
++] = 0;
173 if (index
== (vector_no
+ 1) * dev
->vector_cap
)
174 index
= vector_no
* dev
->vector_cap
;
175 dev
->host_rrq_idx
[vector_no
] = index
;
184 * aac_src_disable_interrupt - Disable interrupts
188 static void aac_src_disable_interrupt(struct aac_dev
*dev
)
190 src_writel(dev
, MUnit
.OIMR
, dev
->OIMR
= 0xffffffff);
194 * aac_src_enable_interrupt_message - Enable interrupts
198 static void aac_src_enable_interrupt_message(struct aac_dev
*dev
)
200 aac_src_access_devreg(dev
, AAC_ENABLE_INTERRUPT
);
204 * src_sync_cmd - send a command and wait
206 * @command: Command to execute
207 * @p1: first parameter
208 * @ret: adapter status
210 * This routine will send a synchronous command to the adapter and wait
211 * for its completion.
214 static int src_sync_cmd(struct aac_dev
*dev
, u32 command
,
215 u32 p1
, u32 p2
, u32 p3
, u32 p4
, u32 p5
, u32 p6
,
216 u32
*status
, u32
* r1
, u32
* r2
, u32
* r3
, u32
* r4
)
223 * Write the command into Mailbox 0
225 writel(command
, &dev
->IndexRegs
->Mailbox
[0]);
227 * Write the parameters into Mailboxes 1 - 6
229 writel(p1
, &dev
->IndexRegs
->Mailbox
[1]);
230 writel(p2
, &dev
->IndexRegs
->Mailbox
[2]);
231 writel(p3
, &dev
->IndexRegs
->Mailbox
[3]);
232 writel(p4
, &dev
->IndexRegs
->Mailbox
[4]);
235 * Clear the synch command doorbell to start on a clean slate.
237 if (!dev
->msi_enabled
)
240 OUTBOUNDDOORBELL_0
<< SRC_ODR_SHIFT
);
243 * Disable doorbell interrupts
245 src_writel(dev
, MUnit
.OIMR
, dev
->OIMR
= 0xffffffff);
248 * Force the completion of the mask register write before issuing
251 src_readl(dev
, MUnit
.OIMR
);
254 * Signal that there is a new synch command
256 src_writel(dev
, MUnit
.IDR
, INBOUNDDOORBELL_0
<< SRC_IDR_SHIFT
);
258 if (!dev
->sync_mode
|| command
!= SEND_SYNCHRONOUS_FIB
) {
262 if (command
== IOP_RESET_ALWAYS
) {
263 /* Wait up to 10 sec */
266 /* Wait up to 5 minutes */
269 while (time_before(jiffies
, start
+delay
)) {
270 udelay(5); /* Delay 5 microseconds to let Mon960 get info. */
272 * Mon960 will set doorbell0 bit when it has completed the command.
274 if (aac_src_get_sync_status(dev
) & OUTBOUNDDOORBELL_0
) {
276 * Clear the doorbell.
278 if (dev
->msi_enabled
)
279 aac_src_access_devreg(dev
,
284 OUTBOUNDDOORBELL_0
<< SRC_ODR_SHIFT
);
289 * Yield the processor in case we are slow
293 if (unlikely(ok
!= 1)) {
295 * Restore interrupt mask even though we timed out
297 aac_adapter_enable_int(dev
);
301 * Pull the synch status from Mailbox 0.
304 *status
= readl(&dev
->IndexRegs
->Mailbox
[0]);
306 *r1
= readl(&dev
->IndexRegs
->Mailbox
[1]);
308 *r2
= readl(&dev
->IndexRegs
->Mailbox
[2]);
310 *r3
= readl(&dev
->IndexRegs
->Mailbox
[3]);
312 *r4
= readl(&dev
->IndexRegs
->Mailbox
[4]);
313 if (command
== GET_COMM_PREFERRED_SETTINGS
)
315 readl(&dev
->IndexRegs
->Mailbox
[5]) & 0xFFFF;
317 * Clear the synch command doorbell.
319 if (!dev
->msi_enabled
)
322 OUTBOUNDDOORBELL_0
<< SRC_ODR_SHIFT
);
326 * Restore interrupt mask
328 aac_adapter_enable_int(dev
);
333 * aac_src_interrupt_adapter - interrupt adapter
336 * Send an interrupt to the i960 and breakpoint it.
339 static void aac_src_interrupt_adapter(struct aac_dev
*dev
)
341 src_sync_cmd(dev
, BREAKPOINT_REQUEST
,
343 NULL
, NULL
, NULL
, NULL
, NULL
);
347 * aac_src_notify_adapter - send an event to the adapter
349 * @event: Event to send
351 * Notify the i960 that something it probably cares about has
355 static void aac_src_notify_adapter(struct aac_dev
*dev
, u32 event
)
360 src_writel(dev
, MUnit
.ODR_C
,
361 INBOUNDDOORBELL_1
<< SRC_ODR_SHIFT
);
363 case HostNormRespNotFull
:
364 src_writel(dev
, MUnit
.ODR_C
,
365 INBOUNDDOORBELL_4
<< SRC_ODR_SHIFT
);
367 case AdapNormRespQue
:
368 src_writel(dev
, MUnit
.ODR_C
,
369 INBOUNDDOORBELL_2
<< SRC_ODR_SHIFT
);
371 case HostNormCmdNotFull
:
372 src_writel(dev
, MUnit
.ODR_C
,
373 INBOUNDDOORBELL_3
<< SRC_ODR_SHIFT
);
376 src_writel(dev
, MUnit
.ODR_C
,
377 INBOUNDDOORBELL_6
<< SRC_ODR_SHIFT
);
380 src_writel(dev
, MUnit
.ODR_C
,
381 INBOUNDDOORBELL_5
<< SRC_ODR_SHIFT
);
390 * aac_src_start_adapter - activate adapter
393 * Start up processing on an i960 based AAC adapter
396 static void aac_src_start_adapter(struct aac_dev
*dev
)
398 union aac_init
*init
;
401 /* reset host_rrq_idx first */
402 for (i
= 0; i
< dev
->max_msix
; i
++) {
403 dev
->host_rrq_idx
[i
] = i
* dev
->vector_cap
;
404 atomic_set(&dev
->rrq_outstanding
[i
], 0);
406 atomic_set(&dev
->msix_counter
, 0);
407 dev
->fibs_pushed_no
= 0;
410 if (dev
->comm_interface
== AAC_COMM_MESSAGE_TYPE3
) {
411 init
->r8
.host_elapsed_seconds
= cpu_to_le32(get_seconds());
412 src_sync_cmd(dev
, INIT_STRUCT_BASE_ADDRESS
,
413 lower_32_bits(dev
->init_pa
),
414 upper_32_bits(dev
->init_pa
),
416 (AAC_MAX_HRRQ
- 1) * sizeof(struct _rrq
),
417 0, 0, 0, NULL
, NULL
, NULL
, NULL
, NULL
);
419 init
->r7
.host_elapsed_seconds
= cpu_to_le32(get_seconds());
420 // We can only use a 32 bit address here
421 src_sync_cmd(dev
, INIT_STRUCT_BASE_ADDRESS
,
422 (u32
)(ulong
)dev
->init_pa
, 0, 0, 0, 0, 0,
423 NULL
, NULL
, NULL
, NULL
, NULL
);
429 * aac_src_check_health
430 * @dev: device to check if healthy
432 * Will attempt to determine if the specified adapter is alive and
433 * capable of handling requests, returning 0 if alive.
435 static int aac_src_check_health(struct aac_dev
*dev
)
437 u32 status
= src_readl(dev
, MUnit
.OMR
);
440 * Check to see if the board failed any self tests.
442 if (unlikely(status
& SELF_TEST_FAILED
))
446 * Check to see if the board panic'd.
448 if (unlikely(status
& KERNEL_PANIC
))
449 return (status
>> 16) & 0xFF;
451 * Wait for the adapter to be up and running.
453 if (unlikely(!(status
& KERNEL_UP_AND_RUNNING
)))
461 static inline u32
aac_get_vector(struct aac_dev
*dev
)
463 return atomic_inc_return(&dev
->msix_counter
)%dev
->max_msix
;
467 * aac_src_deliver_message
470 * Will send a fib, returning 0 if successful.
472 static int aac_src_deliver_message(struct fib
*fib
)
474 struct aac_dev
*dev
= fib
->dev
;
475 struct aac_queue
*q
= &dev
->queues
->queue
[AdapNormCmdQueue
];
478 struct aac_fib_xporthdr
*pFibX
;
486 atomic_inc(&q
->numpending
);
488 native_hba
= (fib
->flags
& FIB_CONTEXT_FLAG_NATIVE_HBA
) ? 1 : 0;
491 if (dev
->msi_enabled
&& dev
->max_msix
> 1 &&
492 (native_hba
|| fib
->hw_fib_va
->header
.Command
!= AifRequest
)) {
494 if ((dev
->comm_interface
== AAC_COMM_MESSAGE_TYPE3
)
496 vector_no
= aac_get_vector(dev
);
498 vector_no
= fib
->vector_no
;
501 if (fib
->flags
& FIB_CONTEXT_FLAG_NATIVE_HBA_TMF
) {
502 struct aac_hba_tm_req
*tm_req
;
504 tm_req
= (struct aac_hba_tm_req
*)
506 if (tm_req
->iu_type
==
507 HBA_IU_TYPE_SCSI_TM_REQ
) {
508 ((struct aac_hba_tm_req
*)
509 fib
->hw_fib_va
)->reply_qid
511 ((struct aac_hba_tm_req
*)
512 fib
->hw_fib_va
)->request_id
513 += (vector_no
<< 16);
515 ((struct aac_hba_reset_req
*)
516 fib
->hw_fib_va
)->reply_qid
518 ((struct aac_hba_reset_req
*)
519 fib
->hw_fib_va
)->request_id
520 += (vector_no
<< 16);
523 ((struct aac_hba_cmd_req
*)
524 fib
->hw_fib_va
)->reply_qid
526 ((struct aac_hba_cmd_req
*)
527 fib
->hw_fib_va
)->request_id
528 += (vector_no
<< 16);
531 fib
->hw_fib_va
->header
.Handle
+= (vector_no
<< 16);
537 atomic_inc(&dev
->rrq_outstanding
[vector_no
]);
540 address
= fib
->hw_fib_pa
;
541 fibsize
= (fib
->hbacmd_size
+ 127) / 128 - 1;
546 src_writeq(dev
, MUnit
.IQN_L
, (u64
)address
);
548 spin_lock_irqsave(&fib
->dev
->iq_lock
, flags
);
549 src_writel(dev
, MUnit
.IQN_H
,
550 upper_32_bits(address
) & 0xffffffff);
551 src_writel(dev
, MUnit
.IQN_L
, address
& 0xffffffff);
552 spin_unlock_irqrestore(&fib
->dev
->iq_lock
, flags
);
555 if (dev
->comm_interface
== AAC_COMM_MESSAGE_TYPE2
||
556 dev
->comm_interface
== AAC_COMM_MESSAGE_TYPE3
) {
557 /* Calculate the amount to the fibsize bits */
558 fibsize
= (le16_to_cpu(fib
->hw_fib_va
->header
.Size
)
560 /* New FIB header, 32-bit */
561 address
= fib
->hw_fib_pa
;
562 fib
->hw_fib_va
->header
.StructType
= FIB_MAGIC2
;
563 fib
->hw_fib_va
->header
.SenderFibAddress
=
564 cpu_to_le32((u32
)address
);
565 fib
->hw_fib_va
->header
.u
.TimeStamp
= 0;
566 WARN_ON(upper_32_bits(address
) != 0L);
568 /* Calculate the amount to the fibsize bits */
569 fibsize
= (sizeof(struct aac_fib_xporthdr
) +
570 le16_to_cpu(fib
->hw_fib_va
->header
.Size
)
572 /* Fill XPORT header */
573 pFibX
= (struct aac_fib_xporthdr
*)
574 ((unsigned char *)fib
->hw_fib_va
-
575 sizeof(struct aac_fib_xporthdr
));
576 pFibX
->Handle
= fib
->hw_fib_va
->header
.Handle
;
578 cpu_to_le64((u64
)fib
->hw_fib_pa
);
579 pFibX
->Size
= cpu_to_le32(
580 le16_to_cpu(fib
->hw_fib_va
->header
.Size
));
581 address
= fib
->hw_fib_pa
-
582 (u64
)sizeof(struct aac_fib_xporthdr
);
589 src_writeq(dev
, MUnit
.IQ_L
, (u64
)address
);
591 spin_lock_irqsave(&fib
->dev
->iq_lock
, flags
);
592 src_writel(dev
, MUnit
.IQ_H
,
593 upper_32_bits(address
) & 0xffffffff);
594 src_writel(dev
, MUnit
.IQ_L
, address
& 0xffffffff);
595 spin_unlock_irqrestore(&fib
->dev
->iq_lock
, flags
);
603 * @size: mapping resize request
606 static int aac_src_ioremap(struct aac_dev
*dev
, u32 size
)
609 iounmap(dev
->regs
.src
.bar1
);
610 dev
->regs
.src
.bar1
= NULL
;
611 iounmap(dev
->regs
.src
.bar0
);
612 dev
->base
= dev
->regs
.src
.bar0
= NULL
;
615 dev
->regs
.src
.bar1
= ioremap(pci_resource_start(dev
->pdev
, 2),
616 AAC_MIN_SRC_BAR1_SIZE
);
618 if (dev
->regs
.src
.bar1
== NULL
)
620 dev
->base
= dev
->regs
.src
.bar0
= ioremap(dev
->base_start
, size
);
621 if (dev
->base
== NULL
) {
622 iounmap(dev
->regs
.src
.bar1
);
623 dev
->regs
.src
.bar1
= NULL
;
626 dev
->IndexRegs
= &((struct src_registers __iomem
*)
627 dev
->base
)->u
.tupelo
.IndexRegs
;
633 * @size: mapping resize request
636 static int aac_srcv_ioremap(struct aac_dev
*dev
, u32 size
)
639 iounmap(dev
->regs
.src
.bar0
);
640 dev
->base
= dev
->regs
.src
.bar0
= NULL
;
645 ioremap(pci_resource_start(dev
->pdev
, 2), AAC_MIN_SRCV_BAR1_SIZE
);
647 if (dev
->regs
.src
.bar1
== NULL
)
649 dev
->base
= dev
->regs
.src
.bar0
= ioremap(dev
->base_start
, size
);
650 if (dev
->base
== NULL
) {
651 iounmap(dev
->regs
.src
.bar1
);
652 dev
->regs
.src
.bar1
= NULL
;
655 dev
->IndexRegs
= &((struct src_registers __iomem
*)
656 dev
->base
)->u
.denali
.IndexRegs
;
660 static void aac_set_intx_mode(struct aac_dev
*dev
)
662 if (dev
->msi_enabled
) {
663 aac_src_access_devreg(dev
, AAC_ENABLE_INTX
);
664 dev
->msi_enabled
= 0;
665 msleep(5000); /* Delay 5 seconds */
669 static void aac_send_iop_reset(struct aac_dev
*dev
, int bled
)
673 bled
= aac_adapter_sync_cmd(dev
, IOP_RESET_ALWAYS
,
674 0, 0, 0, 0, 0, 0, &var
,
675 &reset_mask
, NULL
, NULL
, NULL
);
677 if ((bled
|| var
!= 0x00000001) && !dev
->doorbell_mask
)
679 else if (dev
->doorbell_mask
) {
680 reset_mask
= dev
->doorbell_mask
;
685 aac_set_intx_mode(dev
);
687 if (!bled
&& (dev
->supplement_adapter_info
.SupportedOptions2
&
688 AAC_OPTION_DOORBELL_RESET
)) {
689 src_writel(dev
, MUnit
.IDR
, reset_mask
);
691 src_writel(dev
, MUnit
.IDR
, 0x100);
696 static void aac_send_hardware_soft_reset(struct aac_dev
*dev
)
700 val
= readl(((char *)(dev
->base
) + IBW_SWR_OFFSET
));
702 writel(val
, ((char *)(dev
->base
) + IBW_SWR_OFFSET
));
703 msleep_interruptible(20000);
706 static int aac_src_restart_adapter(struct aac_dev
*dev
, int bled
, u8 reset_type
)
708 unsigned long status
, start
;
714 pr_err("%s%d: adapter kernel panic'd %x.\n",
715 dev
->name
, dev
->id
, bled
);
717 dev
->a_ops
.adapter_enable_int
= aac_src_disable_interrupt
;
719 switch (reset_type
) {
720 case IOP_HWSOFT_RESET
:
721 aac_send_iop_reset(dev
, bled
);
723 * Check to see if KERNEL_UP_AND_RUNNING
724 * Wait for the adapter to be up and running.
725 * If !KERNEL_UP_AND_RUNNING issue HW Soft Reset
727 status
= src_readl(dev
, MUnit
.OMR
);
729 && !(status
& KERNEL_UP_AND_RUNNING
)) {
732 status
= src_readl(dev
, MUnit
.OMR
);
733 if (time_after(jiffies
,
734 start
+HZ
*SOFT_RESET_TIME
)) {
735 aac_send_hardware_soft_reset(dev
);
738 } while (!(status
& KERNEL_UP_AND_RUNNING
));
742 if (dev
->sa_firmware
) {
743 aac_send_hardware_soft_reset(dev
);
744 aac_set_intx_mode(dev
);
748 aac_send_iop_reset(dev
, bled
);
754 if (src_readl(dev
, MUnit
.OMR
) & KERNEL_PANIC
)
757 if (startup_timeout
< 300)
758 startup_timeout
= 300;
764 * aac_src_select_comm - Select communications method
766 * @comm: communications method
768 static int aac_src_select_comm(struct aac_dev
*dev
, int comm
)
771 case AAC_COMM_MESSAGE
:
772 dev
->a_ops
.adapter_intr
= aac_src_intr_message
;
773 dev
->a_ops
.adapter_deliver
= aac_src_deliver_message
;
782 * aac_src_init - initialize an Cardinal Frey Bar card
783 * @dev: device to configure
787 int aac_src_init(struct aac_dev
*dev
)
790 unsigned long status
;
792 int instance
= dev
->id
;
793 const char *name
= dev
->name
;
795 dev
->a_ops
.adapter_ioremap
= aac_src_ioremap
;
796 dev
->a_ops
.adapter_comm
= aac_src_select_comm
;
798 dev
->base_size
= AAC_MIN_SRC_BAR0_SIZE
;
799 if (aac_adapter_ioremap(dev
, dev
->base_size
)) {
800 printk(KERN_WARNING
"%s: unable to map adapter.\n", name
);
804 /* Failure to reset here is an option ... */
805 dev
->a_ops
.adapter_sync_cmd
= src_sync_cmd
;
806 dev
->a_ops
.adapter_enable_int
= aac_src_disable_interrupt
;
807 if ((aac_reset_devices
|| reset_devices
) &&
808 !aac_src_restart_adapter(dev
, 0, IOP_HWSOFT_RESET
))
811 * Check to see if the board panic'd while booting.
813 status
= src_readl(dev
, MUnit
.OMR
);
814 if (status
& KERNEL_PANIC
) {
815 if (aac_src_restart_adapter(dev
,
816 aac_src_check_health(dev
), IOP_HWSOFT_RESET
))
821 * Check to see if the board failed any self tests.
823 status
= src_readl(dev
, MUnit
.OMR
);
824 if (status
& SELF_TEST_FAILED
) {
825 printk(KERN_ERR
"%s%d: adapter self-test failed.\n",
826 dev
->name
, instance
);
830 * Check to see if the monitor panic'd while booting.
832 if (status
& MONITOR_PANIC
) {
833 printk(KERN_ERR
"%s%d: adapter monitor panic.\n",
834 dev
->name
, instance
);
839 * Wait for the adapter to be up and running. Wait up to 3 minutes
841 while (!((status
= src_readl(dev
, MUnit
.OMR
)) &
842 KERNEL_UP_AND_RUNNING
)) {
844 (status
& (KERNEL_PANIC
|SELF_TEST_FAILED
|MONITOR_PANIC
))) ||
845 time_after(jiffies
, start
+HZ
*startup_timeout
)) {
846 printk(KERN_ERR
"%s%d: adapter kernel failed to start, init status = %lx.\n",
847 dev
->name
, instance
, status
);
851 ((status
& (KERNEL_PANIC
|SELF_TEST_FAILED
|MONITOR_PANIC
)) ||
852 time_after(jiffies
, start
+ HZ
*
853 ((startup_timeout
> 60)
854 ? (startup_timeout
- 60)
855 : (startup_timeout
/ 2))))) {
856 if (likely(!aac_src_restart_adapter(dev
,
857 aac_src_check_health(dev
), IOP_HWSOFT_RESET
)))
863 if (restart
&& aac_commit
)
866 * Fill in the common function dispatch table.
868 dev
->a_ops
.adapter_interrupt
= aac_src_interrupt_adapter
;
869 dev
->a_ops
.adapter_disable_int
= aac_src_disable_interrupt
;
870 dev
->a_ops
.adapter_enable_int
= aac_src_disable_interrupt
;
871 dev
->a_ops
.adapter_notify
= aac_src_notify_adapter
;
872 dev
->a_ops
.adapter_sync_cmd
= src_sync_cmd
;
873 dev
->a_ops
.adapter_check_health
= aac_src_check_health
;
874 dev
->a_ops
.adapter_restart
= aac_src_restart_adapter
;
875 dev
->a_ops
.adapter_start
= aac_src_start_adapter
;
878 * First clear out all interrupts. Then enable the one's that we
881 aac_adapter_comm(dev
, AAC_COMM_MESSAGE
);
882 aac_adapter_disable_int(dev
);
883 src_writel(dev
, MUnit
.ODR_C
, 0xffffffff);
884 aac_adapter_enable_int(dev
);
886 if (aac_init_adapter(dev
) == NULL
)
888 if (dev
->comm_interface
!= AAC_COMM_MESSAGE_TYPE1
)
891 dev
->msi
= !pci_enable_msi(dev
->pdev
);
893 dev
->aac_msix
[0].vector_no
= 0;
894 dev
->aac_msix
[0].dev
= dev
;
896 if (request_irq(dev
->pdev
->irq
, dev
->a_ops
.adapter_intr
,
897 IRQF_SHARED
, "aacraid", &(dev
->aac_msix
[0])) < 0) {
900 pci_disable_msi(dev
->pdev
);
902 printk(KERN_ERR
"%s%d: Interrupt unavailable.\n",
906 dev
->dbg_base
= pci_resource_start(dev
->pdev
, 2);
907 dev
->dbg_base_mapped
= dev
->regs
.src
.bar1
;
908 dev
->dbg_size
= AAC_MIN_SRC_BAR1_SIZE
;
909 dev
->a_ops
.adapter_enable_int
= aac_src_enable_interrupt_message
;
911 aac_adapter_enable_int(dev
);
913 if (!dev
->sync_mode
) {
915 * Tell the adapter that all is configured, and it can
916 * start accepting requests
918 aac_src_start_adapter(dev
);
928 * aac_srcv_init - initialize an SRCv card
929 * @dev: device to configure
933 int aac_srcv_init(struct aac_dev
*dev
)
936 unsigned long status
;
938 int instance
= dev
->id
;
939 const char *name
= dev
->name
;
941 dev
->a_ops
.adapter_ioremap
= aac_srcv_ioremap
;
942 dev
->a_ops
.adapter_comm
= aac_src_select_comm
;
944 dev
->base_size
= AAC_MIN_SRCV_BAR0_SIZE
;
945 if (aac_adapter_ioremap(dev
, dev
->base_size
)) {
946 printk(KERN_WARNING
"%s: unable to map adapter.\n", name
);
950 /* Failure to reset here is an option ... */
951 dev
->a_ops
.adapter_sync_cmd
= src_sync_cmd
;
952 dev
->a_ops
.adapter_enable_int
= aac_src_disable_interrupt
;
953 if ((aac_reset_devices
|| reset_devices
) &&
954 !aac_src_restart_adapter(dev
, 0, IOP_HWSOFT_RESET
))
957 * Check to see if flash update is running.
958 * Wait for the adapter to be up and running. Wait up to 5 minutes
960 status
= src_readl(dev
, MUnit
.OMR
);
961 if (status
& FLASH_UPD_PENDING
) {
964 status
= src_readl(dev
, MUnit
.OMR
);
965 if (time_after(jiffies
, start
+HZ
*FWUPD_TIMEOUT
)) {
966 printk(KERN_ERR
"%s%d: adapter flash update failed.\n",
967 dev
->name
, instance
);
970 } while (!(status
& FLASH_UPD_SUCCESS
) &&
971 !(status
& FLASH_UPD_FAILED
));
973 * Because right now FW is doing a soft reset,
974 * do not read scratch pad register at this time
979 * Check to see if the board panic'd while booting.
981 status
= src_readl(dev
, MUnit
.OMR
);
982 if (status
& KERNEL_PANIC
) {
983 if (aac_src_restart_adapter(dev
,
984 aac_src_check_health(dev
), IOP_HWSOFT_RESET
))
989 * Check to see if the board failed any self tests.
991 status
= src_readl(dev
, MUnit
.OMR
);
992 if (status
& SELF_TEST_FAILED
) {
993 printk(KERN_ERR
"%s%d: adapter self-test failed.\n", dev
->name
, instance
);
997 * Check to see if the monitor panic'd while booting.
999 if (status
& MONITOR_PANIC
) {
1000 printk(KERN_ERR
"%s%d: adapter monitor panic.\n", dev
->name
, instance
);
1005 * Wait for the adapter to be up and running. Wait up to 3 minutes
1007 while (!((status
= src_readl(dev
, MUnit
.OMR
)) &
1008 KERNEL_UP_AND_RUNNING
) ||
1009 status
== 0xffffffff) {
1011 (status
& (KERNEL_PANIC
|SELF_TEST_FAILED
|MONITOR_PANIC
))) ||
1012 time_after(jiffies
, start
+HZ
*startup_timeout
)) {
1013 printk(KERN_ERR
"%s%d: adapter kernel failed to start, init status = %lx.\n",
1014 dev
->name
, instance
, status
);
1018 ((status
& (KERNEL_PANIC
|SELF_TEST_FAILED
|MONITOR_PANIC
)) ||
1019 time_after(jiffies
, start
+ HZ
*
1020 ((startup_timeout
> 60)
1021 ? (startup_timeout
- 60)
1022 : (startup_timeout
/ 2))))) {
1023 if (likely(!aac_src_restart_adapter(dev
,
1024 aac_src_check_health(dev
), IOP_HWSOFT_RESET
)))
1030 if (restart
&& aac_commit
)
1033 * Fill in the common function dispatch table.
1035 dev
->a_ops
.adapter_interrupt
= aac_src_interrupt_adapter
;
1036 dev
->a_ops
.adapter_disable_int
= aac_src_disable_interrupt
;
1037 dev
->a_ops
.adapter_enable_int
= aac_src_disable_interrupt
;
1038 dev
->a_ops
.adapter_notify
= aac_src_notify_adapter
;
1039 dev
->a_ops
.adapter_sync_cmd
= src_sync_cmd
;
1040 dev
->a_ops
.adapter_check_health
= aac_src_check_health
;
1041 dev
->a_ops
.adapter_restart
= aac_src_restart_adapter
;
1042 dev
->a_ops
.adapter_start
= aac_src_start_adapter
;
1045 * First clear out all interrupts. Then enable the one's that we
1048 aac_adapter_comm(dev
, AAC_COMM_MESSAGE
);
1049 aac_adapter_disable_int(dev
);
1050 src_writel(dev
, MUnit
.ODR_C
, 0xffffffff);
1051 aac_adapter_enable_int(dev
);
1053 if (aac_init_adapter(dev
) == NULL
)
1055 if ((dev
->comm_interface
!= AAC_COMM_MESSAGE_TYPE2
) &&
1056 (dev
->comm_interface
!= AAC_COMM_MESSAGE_TYPE3
))
1058 if (dev
->msi_enabled
)
1059 aac_src_access_devreg(dev
, AAC_ENABLE_MSIX
);
1061 if (aac_acquire_irq(dev
))
1064 dev
->dbg_base
= pci_resource_start(dev
->pdev
, 2);
1065 dev
->dbg_base_mapped
= dev
->regs
.src
.bar1
;
1066 dev
->dbg_size
= AAC_MIN_SRCV_BAR1_SIZE
;
1067 dev
->a_ops
.adapter_enable_int
= aac_src_enable_interrupt_message
;
1069 aac_adapter_enable_int(dev
);
1071 if (!dev
->sync_mode
) {
1073 * Tell the adapter that all is configured, and it can
1074 * start accepting requests
1076 aac_src_start_adapter(dev
);
1085 void aac_src_access_devreg(struct aac_dev
*dev
, int mode
)
1090 case AAC_ENABLE_INTERRUPT
:
1093 dev
->OIMR
= (dev
->msi_enabled
?
1094 AAC_INT_ENABLE_TYPE1_MSIX
:
1095 AAC_INT_ENABLE_TYPE1_INTX
));
1098 case AAC_DISABLE_INTERRUPT
:
1101 dev
->OIMR
= AAC_INT_DISABLE_ALL
);
1104 case AAC_ENABLE_MSIX
:
1106 val
= src_readl(dev
, MUnit
.IDR
);
1108 src_writel(dev
, MUnit
.IDR
, val
);
1109 src_readl(dev
, MUnit
.IDR
);
1111 val
= PMC_ALL_INTERRUPT_BITS
;
1112 src_writel(dev
, MUnit
.IOAR
, val
);
1113 val
= src_readl(dev
, MUnit
.OIMR
);
1116 val
& (~(PMC_GLOBAL_INT_BIT2
| PMC_GLOBAL_INT_BIT0
)));
1119 case AAC_DISABLE_MSIX
:
1121 val
= src_readl(dev
, MUnit
.IDR
);
1123 src_writel(dev
, MUnit
.IDR
, val
);
1124 src_readl(dev
, MUnit
.IDR
);
1127 case AAC_CLEAR_AIF_BIT
:
1129 val
= src_readl(dev
, MUnit
.IDR
);
1131 src_writel(dev
, MUnit
.IDR
, val
);
1132 src_readl(dev
, MUnit
.IDR
);
1135 case AAC_CLEAR_SYNC_BIT
:
1137 val
= src_readl(dev
, MUnit
.IDR
);
1139 src_writel(dev
, MUnit
.IDR
, val
);
1140 src_readl(dev
, MUnit
.IDR
);
1143 case AAC_ENABLE_INTX
:
1145 val
= src_readl(dev
, MUnit
.IDR
);
1147 src_writel(dev
, MUnit
.IDR
, val
);
1148 src_readl(dev
, MUnit
.IDR
);
1150 val
= PMC_ALL_INTERRUPT_BITS
;
1151 src_writel(dev
, MUnit
.IOAR
, val
);
1152 src_readl(dev
, MUnit
.IOAR
);
1153 val
= src_readl(dev
, MUnit
.OIMR
);
1154 src_writel(dev
, MUnit
.OIMR
,
1155 val
& (~(PMC_GLOBAL_INT_BIT2
)));
1163 static int aac_src_get_sync_status(struct aac_dev
*dev
)
1168 if (dev
->msi_enabled
)
1169 val
= src_readl(dev
, MUnit
.ODR_MSI
) & 0x1000 ? 1 : 0;
1171 val
= src_readl(dev
, MUnit
.ODR_R
) >> SRC_ODR_SHIFT
;