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 panic'd.
442 if (unlikely(status
& KERNEL_PANIC
))
446 * Check to see if the board failed any self tests.
448 if (unlikely(status
& SELF_TEST_FAILED
))
452 * Check to see if the board failed any self tests.
454 if (unlikely(status
& MONITOR_PANIC
))
458 * Wait for the adapter to be up and running.
460 if (unlikely(!(status
& KERNEL_UP_AND_RUNNING
)))
471 return (status
>> 16) & 0xFF;
474 static inline u32
aac_get_vector(struct aac_dev
*dev
)
476 return atomic_inc_return(&dev
->msix_counter
)%dev
->max_msix
;
480 * aac_src_deliver_message
483 * Will send a fib, returning 0 if successful.
485 static int aac_src_deliver_message(struct fib
*fib
)
487 struct aac_dev
*dev
= fib
->dev
;
488 struct aac_queue
*q
= &dev
->queues
->queue
[AdapNormCmdQueue
];
491 struct aac_fib_xporthdr
*pFibX
;
499 atomic_inc(&q
->numpending
);
501 native_hba
= (fib
->flags
& FIB_CONTEXT_FLAG_NATIVE_HBA
) ? 1 : 0;
504 if (dev
->msi_enabled
&& dev
->max_msix
> 1 &&
505 (native_hba
|| fib
->hw_fib_va
->header
.Command
!= AifRequest
)) {
507 if ((dev
->comm_interface
== AAC_COMM_MESSAGE_TYPE3
)
509 vector_no
= aac_get_vector(dev
);
511 vector_no
= fib
->vector_no
;
514 if (fib
->flags
& FIB_CONTEXT_FLAG_NATIVE_HBA_TMF
) {
515 struct aac_hba_tm_req
*tm_req
;
517 tm_req
= (struct aac_hba_tm_req
*)
519 if (tm_req
->iu_type
==
520 HBA_IU_TYPE_SCSI_TM_REQ
) {
521 ((struct aac_hba_tm_req
*)
522 fib
->hw_fib_va
)->reply_qid
524 ((struct aac_hba_tm_req
*)
525 fib
->hw_fib_va
)->request_id
526 += (vector_no
<< 16);
528 ((struct aac_hba_reset_req
*)
529 fib
->hw_fib_va
)->reply_qid
531 ((struct aac_hba_reset_req
*)
532 fib
->hw_fib_va
)->request_id
533 += (vector_no
<< 16);
536 ((struct aac_hba_cmd_req
*)
537 fib
->hw_fib_va
)->reply_qid
539 ((struct aac_hba_cmd_req
*)
540 fib
->hw_fib_va
)->request_id
541 += (vector_no
<< 16);
544 fib
->hw_fib_va
->header
.Handle
+= (vector_no
<< 16);
550 atomic_inc(&dev
->rrq_outstanding
[vector_no
]);
553 address
= fib
->hw_fib_pa
;
554 fibsize
= (fib
->hbacmd_size
+ 127) / 128 - 1;
559 src_writeq(dev
, MUnit
.IQN_L
, (u64
)address
);
561 spin_lock_irqsave(&fib
->dev
->iq_lock
, flags
);
562 src_writel(dev
, MUnit
.IQN_H
,
563 upper_32_bits(address
) & 0xffffffff);
564 src_writel(dev
, MUnit
.IQN_L
, address
& 0xffffffff);
565 spin_unlock_irqrestore(&fib
->dev
->iq_lock
, flags
);
568 if (dev
->comm_interface
== AAC_COMM_MESSAGE_TYPE2
||
569 dev
->comm_interface
== AAC_COMM_MESSAGE_TYPE3
) {
570 /* Calculate the amount to the fibsize bits */
571 fibsize
= (le16_to_cpu(fib
->hw_fib_va
->header
.Size
)
573 /* New FIB header, 32-bit */
574 address
= fib
->hw_fib_pa
;
575 fib
->hw_fib_va
->header
.StructType
= FIB_MAGIC2
;
576 fib
->hw_fib_va
->header
.SenderFibAddress
=
577 cpu_to_le32((u32
)address
);
578 fib
->hw_fib_va
->header
.u
.TimeStamp
= 0;
579 WARN_ON(upper_32_bits(address
) != 0L);
581 /* Calculate the amount to the fibsize bits */
582 fibsize
= (sizeof(struct aac_fib_xporthdr
) +
583 le16_to_cpu(fib
->hw_fib_va
->header
.Size
)
585 /* Fill XPORT header */
586 pFibX
= (struct aac_fib_xporthdr
*)
587 ((unsigned char *)fib
->hw_fib_va
-
588 sizeof(struct aac_fib_xporthdr
));
589 pFibX
->Handle
= fib
->hw_fib_va
->header
.Handle
;
591 cpu_to_le64((u64
)fib
->hw_fib_pa
);
592 pFibX
->Size
= cpu_to_le32(
593 le16_to_cpu(fib
->hw_fib_va
->header
.Size
));
594 address
= fib
->hw_fib_pa
-
595 (u64
)sizeof(struct aac_fib_xporthdr
);
602 src_writeq(dev
, MUnit
.IQ_L
, (u64
)address
);
604 spin_lock_irqsave(&fib
->dev
->iq_lock
, flags
);
605 src_writel(dev
, MUnit
.IQ_H
,
606 upper_32_bits(address
) & 0xffffffff);
607 src_writel(dev
, MUnit
.IQ_L
, address
& 0xffffffff);
608 spin_unlock_irqrestore(&fib
->dev
->iq_lock
, flags
);
616 * @size: mapping resize request
619 static int aac_src_ioremap(struct aac_dev
*dev
, u32 size
)
622 iounmap(dev
->regs
.src
.bar1
);
623 dev
->regs
.src
.bar1
= NULL
;
624 iounmap(dev
->regs
.src
.bar0
);
625 dev
->base
= dev
->regs
.src
.bar0
= NULL
;
628 dev
->regs
.src
.bar1
= ioremap(pci_resource_start(dev
->pdev
, 2),
629 AAC_MIN_SRC_BAR1_SIZE
);
631 if (dev
->regs
.src
.bar1
== NULL
)
633 dev
->base
= dev
->regs
.src
.bar0
= ioremap(dev
->base_start
, size
);
634 if (dev
->base
== NULL
) {
635 iounmap(dev
->regs
.src
.bar1
);
636 dev
->regs
.src
.bar1
= NULL
;
639 dev
->IndexRegs
= &((struct src_registers __iomem
*)
640 dev
->base
)->u
.tupelo
.IndexRegs
;
646 * @size: mapping resize request
649 static int aac_srcv_ioremap(struct aac_dev
*dev
, u32 size
)
652 iounmap(dev
->regs
.src
.bar0
);
653 dev
->base
= dev
->regs
.src
.bar0
= NULL
;
658 ioremap(pci_resource_start(dev
->pdev
, 2), AAC_MIN_SRCV_BAR1_SIZE
);
660 if (dev
->regs
.src
.bar1
== NULL
)
662 dev
->base
= dev
->regs
.src
.bar0
= ioremap(dev
->base_start
, size
);
663 if (dev
->base
== NULL
) {
664 iounmap(dev
->regs
.src
.bar1
);
665 dev
->regs
.src
.bar1
= NULL
;
668 dev
->IndexRegs
= &((struct src_registers __iomem
*)
669 dev
->base
)->u
.denali
.IndexRegs
;
673 void aac_set_intx_mode(struct aac_dev
*dev
)
675 if (dev
->msi_enabled
) {
676 aac_src_access_devreg(dev
, AAC_ENABLE_INTX
);
677 dev
->msi_enabled
= 0;
678 msleep(5000); /* Delay 5 seconds */
682 static void aac_dump_fw_fib_iop_reset(struct aac_dev
*dev
)
684 __le32 supported_options3
;
689 supported_options3
= dev
->supplement_adapter_info
.supported_options3
;
690 if (!(supported_options3
& AAC_OPTION_SUPPORTED3_IOP_RESET_FIB_DUMP
))
693 aac_adapter_sync_cmd(dev
, IOP_RESET_FW_FIB_DUMP
,
694 0, 0, 0, 0, 0, 0, NULL
, NULL
, NULL
, NULL
, NULL
);
697 static bool aac_is_ctrl_up_and_running(struct aac_dev
*dev
)
700 unsigned long status
, start
;
706 status
= src_readl(dev
, MUnit
.OMR
);
708 if (status
== 0xffffffff)
711 if (status
& KERNEL_BOOTING
) {
716 if (time_after(jiffies
, start
+HZ
*SOFT_RESET_TIME
)) {
721 is_up
= status
& KERNEL_UP_AND_RUNNING
;
728 static void aac_notify_fw_of_iop_reset(struct aac_dev
*dev
)
730 aac_adapter_sync_cmd(dev
, IOP_RESET_ALWAYS
, 0, 0, 0, 0, 0, 0, NULL
,
731 NULL
, NULL
, NULL
, NULL
);
734 static void aac_send_iop_reset(struct aac_dev
*dev
)
736 aac_dump_fw_fib_iop_reset(dev
);
738 aac_notify_fw_of_iop_reset(dev
);
740 aac_set_intx_mode(dev
);
742 src_writel(dev
, MUnit
.IDR
, IOP_SRC_RESET_MASK
);
745 static void aac_send_hardware_soft_reset(struct aac_dev
*dev
)
749 val
= readl(((char *)(dev
->base
) + IBW_SWR_OFFSET
));
751 writel(val
, ((char *)(dev
->base
) + IBW_SWR_OFFSET
));
752 msleep_interruptible(20000);
755 static int aac_src_restart_adapter(struct aac_dev
*dev
, int bled
, u8 reset_type
)
764 dev_err(&dev
->pdev
->dev
, "adapter kernel panic'd %x.\n", bled
);
767 * When there is a BlinkLED, IOP_RESET has not effect
769 if (bled
>= 2 && dev
->sa_firmware
&& reset_type
& HW_IOP_RESET
)
770 reset_type
&= ~HW_IOP_RESET
;
772 dev
->a_ops
.adapter_enable_int
= aac_src_disable_interrupt
;
774 dev_err(&dev
->pdev
->dev
, "Controller reset type is %d\n", reset_type
);
776 if (reset_type
& HW_IOP_RESET
) {
777 dev_info(&dev
->pdev
->dev
, "Issuing IOP reset\n");
778 aac_send_iop_reset(dev
);
781 * Creates a delay or wait till up and running comes thru
783 is_ctrl_up
= aac_is_ctrl_up_and_running(dev
);
785 dev_err(&dev
->pdev
->dev
, "IOP reset failed\n");
787 dev_info(&dev
->pdev
->dev
, "IOP reset succeded\n");
792 if (!dev
->sa_firmware
) {
793 dev_err(&dev
->pdev
->dev
, "ARC Reset attempt failed\n");
798 if (reset_type
& HW_SOFT_RESET
) {
799 dev_info(&dev
->pdev
->dev
, "Issuing SOFT reset\n");
800 aac_send_hardware_soft_reset(dev
);
801 dev
->msi_enabled
= 0;
803 is_ctrl_up
= aac_is_ctrl_up_and_running(dev
);
805 dev_err(&dev
->pdev
->dev
, "SOFT reset failed\n");
809 dev_info(&dev
->pdev
->dev
, "SOFT reset succeded\n");
813 if (startup_timeout
< 300)
814 startup_timeout
= 300;
820 if (src_readl(dev
, MUnit
.OMR
) & KERNEL_PANIC
)
826 * aac_src_select_comm - Select communications method
828 * @comm: communications method
830 static int aac_src_select_comm(struct aac_dev
*dev
, int comm
)
833 case AAC_COMM_MESSAGE
:
834 dev
->a_ops
.adapter_intr
= aac_src_intr_message
;
835 dev
->a_ops
.adapter_deliver
= aac_src_deliver_message
;
844 * aac_src_init - initialize an Cardinal Frey Bar card
845 * @dev: device to configure
849 int aac_src_init(struct aac_dev
*dev
)
852 unsigned long status
;
854 int instance
= dev
->id
;
855 const char *name
= dev
->name
;
857 dev
->a_ops
.adapter_ioremap
= aac_src_ioremap
;
858 dev
->a_ops
.adapter_comm
= aac_src_select_comm
;
860 dev
->base_size
= AAC_MIN_SRC_BAR0_SIZE
;
861 if (aac_adapter_ioremap(dev
, dev
->base_size
)) {
862 printk(KERN_WARNING
"%s: unable to map adapter.\n", name
);
866 /* Failure to reset here is an option ... */
867 dev
->a_ops
.adapter_sync_cmd
= src_sync_cmd
;
868 dev
->a_ops
.adapter_enable_int
= aac_src_disable_interrupt
;
869 if ((aac_reset_devices
|| reset_devices
) &&
870 !aac_src_restart_adapter(dev
, 0, IOP_HWSOFT_RESET
))
873 * Check to see if the board panic'd while booting.
875 status
= src_readl(dev
, MUnit
.OMR
);
876 if (status
& KERNEL_PANIC
) {
877 if (aac_src_restart_adapter(dev
,
878 aac_src_check_health(dev
), IOP_HWSOFT_RESET
))
883 * Check to see if the board failed any self tests.
885 status
= src_readl(dev
, MUnit
.OMR
);
886 if (status
& SELF_TEST_FAILED
) {
887 printk(KERN_ERR
"%s%d: adapter self-test failed.\n",
888 dev
->name
, instance
);
892 * Check to see if the monitor panic'd while booting.
894 if (status
& MONITOR_PANIC
) {
895 printk(KERN_ERR
"%s%d: adapter monitor panic.\n",
896 dev
->name
, instance
);
901 * Wait for the adapter to be up and running. Wait up to 3 minutes
903 while (!((status
= src_readl(dev
, MUnit
.OMR
)) &
904 KERNEL_UP_AND_RUNNING
)) {
906 (status
& (KERNEL_PANIC
|SELF_TEST_FAILED
|MONITOR_PANIC
))) ||
907 time_after(jiffies
, start
+HZ
*startup_timeout
)) {
908 printk(KERN_ERR
"%s%d: adapter kernel failed to start, init status = %lx.\n",
909 dev
->name
, instance
, status
);
913 ((status
& (KERNEL_PANIC
|SELF_TEST_FAILED
|MONITOR_PANIC
)) ||
914 time_after(jiffies
, start
+ HZ
*
915 ((startup_timeout
> 60)
916 ? (startup_timeout
- 60)
917 : (startup_timeout
/ 2))))) {
918 if (likely(!aac_src_restart_adapter(dev
,
919 aac_src_check_health(dev
), IOP_HWSOFT_RESET
)))
925 if (restart
&& aac_commit
)
928 * Fill in the common function dispatch table.
930 dev
->a_ops
.adapter_interrupt
= aac_src_interrupt_adapter
;
931 dev
->a_ops
.adapter_disable_int
= aac_src_disable_interrupt
;
932 dev
->a_ops
.adapter_enable_int
= aac_src_disable_interrupt
;
933 dev
->a_ops
.adapter_notify
= aac_src_notify_adapter
;
934 dev
->a_ops
.adapter_sync_cmd
= src_sync_cmd
;
935 dev
->a_ops
.adapter_check_health
= aac_src_check_health
;
936 dev
->a_ops
.adapter_restart
= aac_src_restart_adapter
;
937 dev
->a_ops
.adapter_start
= aac_src_start_adapter
;
940 * First clear out all interrupts. Then enable the one's that we
943 aac_adapter_comm(dev
, AAC_COMM_MESSAGE
);
944 aac_adapter_disable_int(dev
);
945 src_writel(dev
, MUnit
.ODR_C
, 0xffffffff);
946 aac_adapter_enable_int(dev
);
948 if (aac_init_adapter(dev
) == NULL
)
950 if (dev
->comm_interface
!= AAC_COMM_MESSAGE_TYPE1
)
953 dev
->msi
= !pci_enable_msi(dev
->pdev
);
955 dev
->aac_msix
[0].vector_no
= 0;
956 dev
->aac_msix
[0].dev
= dev
;
958 if (request_irq(dev
->pdev
->irq
, dev
->a_ops
.adapter_intr
,
959 IRQF_SHARED
, "aacraid", &(dev
->aac_msix
[0])) < 0) {
962 pci_disable_msi(dev
->pdev
);
964 printk(KERN_ERR
"%s%d: Interrupt unavailable.\n",
968 dev
->dbg_base
= pci_resource_start(dev
->pdev
, 2);
969 dev
->dbg_base_mapped
= dev
->regs
.src
.bar1
;
970 dev
->dbg_size
= AAC_MIN_SRC_BAR1_SIZE
;
971 dev
->a_ops
.adapter_enable_int
= aac_src_enable_interrupt_message
;
973 aac_adapter_enable_int(dev
);
975 if (!dev
->sync_mode
) {
977 * Tell the adapter that all is configured, and it can
978 * start accepting requests
980 aac_src_start_adapter(dev
);
990 * aac_srcv_init - initialize an SRCv card
991 * @dev: device to configure
995 int aac_srcv_init(struct aac_dev
*dev
)
998 unsigned long status
;
1000 int instance
= dev
->id
;
1001 const char *name
= dev
->name
;
1003 dev
->a_ops
.adapter_ioremap
= aac_srcv_ioremap
;
1004 dev
->a_ops
.adapter_comm
= aac_src_select_comm
;
1006 dev
->base_size
= AAC_MIN_SRCV_BAR0_SIZE
;
1007 if (aac_adapter_ioremap(dev
, dev
->base_size
)) {
1008 printk(KERN_WARNING
"%s: unable to map adapter.\n", name
);
1012 /* Failure to reset here is an option ... */
1013 dev
->a_ops
.adapter_sync_cmd
= src_sync_cmd
;
1014 dev
->a_ops
.adapter_enable_int
= aac_src_disable_interrupt
;
1015 if ((aac_reset_devices
|| reset_devices
) &&
1016 !aac_src_restart_adapter(dev
, 0, IOP_HWSOFT_RESET
))
1019 * Check to see if flash update is running.
1020 * Wait for the adapter to be up and running. Wait up to 5 minutes
1022 status
= src_readl(dev
, MUnit
.OMR
);
1023 if (status
& FLASH_UPD_PENDING
) {
1026 status
= src_readl(dev
, MUnit
.OMR
);
1027 if (time_after(jiffies
, start
+HZ
*FWUPD_TIMEOUT
)) {
1028 printk(KERN_ERR
"%s%d: adapter flash update failed.\n",
1029 dev
->name
, instance
);
1032 } while (!(status
& FLASH_UPD_SUCCESS
) &&
1033 !(status
& FLASH_UPD_FAILED
));
1034 /* Delay 10 seconds.
1035 * Because right now FW is doing a soft reset,
1036 * do not read scratch pad register at this time
1041 * Check to see if the board panic'd while booting.
1043 status
= src_readl(dev
, MUnit
.OMR
);
1044 if (status
& KERNEL_PANIC
) {
1045 if (aac_src_restart_adapter(dev
,
1046 aac_src_check_health(dev
), IOP_HWSOFT_RESET
))
1051 * Check to see if the board failed any self tests.
1053 status
= src_readl(dev
, MUnit
.OMR
);
1054 if (status
& SELF_TEST_FAILED
) {
1055 printk(KERN_ERR
"%s%d: adapter self-test failed.\n", dev
->name
, instance
);
1059 * Check to see if the monitor panic'd while booting.
1061 if (status
& MONITOR_PANIC
) {
1062 printk(KERN_ERR
"%s%d: adapter monitor panic.\n", dev
->name
, instance
);
1067 * Wait for the adapter to be up and running. Wait up to 3 minutes
1069 while (!((status
= src_readl(dev
, MUnit
.OMR
)) &
1070 KERNEL_UP_AND_RUNNING
) ||
1071 status
== 0xffffffff) {
1073 (status
& (KERNEL_PANIC
|SELF_TEST_FAILED
|MONITOR_PANIC
))) ||
1074 time_after(jiffies
, start
+HZ
*startup_timeout
)) {
1075 printk(KERN_ERR
"%s%d: adapter kernel failed to start, init status = %lx.\n",
1076 dev
->name
, instance
, status
);
1080 ((status
& (KERNEL_PANIC
|SELF_TEST_FAILED
|MONITOR_PANIC
)) ||
1081 time_after(jiffies
, start
+ HZ
*
1082 ((startup_timeout
> 60)
1083 ? (startup_timeout
- 60)
1084 : (startup_timeout
/ 2))))) {
1085 if (likely(!aac_src_restart_adapter(dev
,
1086 aac_src_check_health(dev
), IOP_HWSOFT_RESET
)))
1092 if (restart
&& aac_commit
)
1095 * Fill in the common function dispatch table.
1097 dev
->a_ops
.adapter_interrupt
= aac_src_interrupt_adapter
;
1098 dev
->a_ops
.adapter_disable_int
= aac_src_disable_interrupt
;
1099 dev
->a_ops
.adapter_enable_int
= aac_src_disable_interrupt
;
1100 dev
->a_ops
.adapter_notify
= aac_src_notify_adapter
;
1101 dev
->a_ops
.adapter_sync_cmd
= src_sync_cmd
;
1102 dev
->a_ops
.adapter_check_health
= aac_src_check_health
;
1103 dev
->a_ops
.adapter_restart
= aac_src_restart_adapter
;
1104 dev
->a_ops
.adapter_start
= aac_src_start_adapter
;
1107 * First clear out all interrupts. Then enable the one's that we
1110 aac_adapter_comm(dev
, AAC_COMM_MESSAGE
);
1111 aac_adapter_disable_int(dev
);
1112 src_writel(dev
, MUnit
.ODR_C
, 0xffffffff);
1113 aac_adapter_enable_int(dev
);
1115 if (aac_init_adapter(dev
) == NULL
)
1117 if ((dev
->comm_interface
!= AAC_COMM_MESSAGE_TYPE2
) &&
1118 (dev
->comm_interface
!= AAC_COMM_MESSAGE_TYPE3
))
1120 if (dev
->msi_enabled
)
1121 aac_src_access_devreg(dev
, AAC_ENABLE_MSIX
);
1123 if (aac_acquire_irq(dev
))
1126 dev
->dbg_base
= pci_resource_start(dev
->pdev
, 2);
1127 dev
->dbg_base_mapped
= dev
->regs
.src
.bar1
;
1128 dev
->dbg_size
= AAC_MIN_SRCV_BAR1_SIZE
;
1129 dev
->a_ops
.adapter_enable_int
= aac_src_enable_interrupt_message
;
1131 aac_adapter_enable_int(dev
);
1133 if (!dev
->sync_mode
) {
1135 * Tell the adapter that all is configured, and it can
1136 * start accepting requests
1138 aac_src_start_adapter(dev
);
1147 void aac_src_access_devreg(struct aac_dev
*dev
, int mode
)
1152 case AAC_ENABLE_INTERRUPT
:
1155 dev
->OIMR
= (dev
->msi_enabled
?
1156 AAC_INT_ENABLE_TYPE1_MSIX
:
1157 AAC_INT_ENABLE_TYPE1_INTX
));
1160 case AAC_DISABLE_INTERRUPT
:
1163 dev
->OIMR
= AAC_INT_DISABLE_ALL
);
1166 case AAC_ENABLE_MSIX
:
1168 val
= src_readl(dev
, MUnit
.IDR
);
1170 src_writel(dev
, MUnit
.IDR
, val
);
1171 src_readl(dev
, MUnit
.IDR
);
1173 val
= PMC_ALL_INTERRUPT_BITS
;
1174 src_writel(dev
, MUnit
.IOAR
, val
);
1175 val
= src_readl(dev
, MUnit
.OIMR
);
1178 val
& (~(PMC_GLOBAL_INT_BIT2
| PMC_GLOBAL_INT_BIT0
)));
1181 case AAC_DISABLE_MSIX
:
1183 val
= src_readl(dev
, MUnit
.IDR
);
1185 src_writel(dev
, MUnit
.IDR
, val
);
1186 src_readl(dev
, MUnit
.IDR
);
1189 case AAC_CLEAR_AIF_BIT
:
1191 val
= src_readl(dev
, MUnit
.IDR
);
1193 src_writel(dev
, MUnit
.IDR
, val
);
1194 src_readl(dev
, MUnit
.IDR
);
1197 case AAC_CLEAR_SYNC_BIT
:
1199 val
= src_readl(dev
, MUnit
.IDR
);
1201 src_writel(dev
, MUnit
.IDR
, val
);
1202 src_readl(dev
, MUnit
.IDR
);
1205 case AAC_ENABLE_INTX
:
1207 val
= src_readl(dev
, MUnit
.IDR
);
1209 src_writel(dev
, MUnit
.IDR
, val
);
1210 src_readl(dev
, MUnit
.IDR
);
1212 val
= PMC_ALL_INTERRUPT_BITS
;
1213 src_writel(dev
, MUnit
.IOAR
, val
);
1214 src_readl(dev
, MUnit
.IOAR
);
1215 val
= src_readl(dev
, MUnit
.OIMR
);
1216 src_writel(dev
, MUnit
.OIMR
,
1217 val
& (~(PMC_GLOBAL_INT_BIT2
)));
1225 static int aac_src_get_sync_status(struct aac_dev
*dev
)
1230 if (dev
->msi_enabled
)
1231 val
= src_readl(dev
, MUnit
.ODR_MSI
) & 0x1000 ? 1 : 0;
1233 val
= src_readl(dev
, MUnit
.ODR_R
) >> SRC_ODR_SHIFT
;