661 lines
17 KiB
C
661 lines
17 KiB
C
/*
|
|
* Adaptec AAC series RAID controller driver
|
|
* (c) Copyright 2001 Red Hat Inc. <alan@redhat.com>
|
|
*
|
|
* based on the old aacraid driver that is..
|
|
* Adaptec aacraid device driver for Linux.
|
|
*
|
|
* Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com)
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2, or (at your option)
|
|
* any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; see the file COPYING. If not, write to
|
|
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*
|
|
* Module Name:
|
|
* rx.c
|
|
*
|
|
* Abstract: Hardware miniport for Drawbridge specific hardware functions.
|
|
*
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/init.h>
|
|
#include <linux/types.h>
|
|
#include <linux/pci.h>
|
|
#include <linux/spinlock.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/blkdev.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/completion.h>
|
|
#include <linux/time.h>
|
|
#include <linux/interrupt.h>
|
|
#include <asm/semaphore.h>
|
|
|
|
#include <scsi/scsi_host.h>
|
|
|
|
#include "aacraid.h"
|
|
|
|
static irqreturn_t aac_rx_intr_producer(int irq, void *dev_id)
|
|
{
|
|
struct aac_dev *dev = dev_id;
|
|
unsigned long bellbits;
|
|
u8 intstat = rx_readb(dev, MUnit.OISR);
|
|
|
|
/*
|
|
* Read mask and invert because drawbridge is reversed.
|
|
* This allows us to only service interrupts that have
|
|
* been enabled.
|
|
* Check to see if this is our interrupt. If it isn't just return
|
|
*/
|
|
if (likely(intstat & ~(dev->OIMR))) {
|
|
bellbits = rx_readl(dev, OutboundDoorbellReg);
|
|
if (unlikely(bellbits & DoorBellPrintfReady)) {
|
|
aac_printf(dev, readl (&dev->IndexRegs->Mailbox[5]));
|
|
rx_writel(dev, MUnit.ODR,DoorBellPrintfReady);
|
|
rx_writel(dev, InboundDoorbellReg,DoorBellPrintfDone);
|
|
}
|
|
else if (unlikely(bellbits & DoorBellAdapterNormCmdReady)) {
|
|
rx_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdReady);
|
|
aac_command_normal(&dev->queues->queue[HostNormCmdQueue]);
|
|
}
|
|
else if (likely(bellbits & DoorBellAdapterNormRespReady)) {
|
|
rx_writel(dev, MUnit.ODR,DoorBellAdapterNormRespReady);
|
|
aac_response_normal(&dev->queues->queue[HostNormRespQueue]);
|
|
}
|
|
else if (unlikely(bellbits & DoorBellAdapterNormCmdNotFull)) {
|
|
rx_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdNotFull);
|
|
}
|
|
else if (unlikely(bellbits & DoorBellAdapterNormRespNotFull)) {
|
|
rx_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdNotFull);
|
|
rx_writel(dev, MUnit.ODR, DoorBellAdapterNormRespNotFull);
|
|
}
|
|
return IRQ_HANDLED;
|
|
}
|
|
return IRQ_NONE;
|
|
}
|
|
|
|
static irqreturn_t aac_rx_intr_message(int irq, void *dev_id)
|
|
{
|
|
struct aac_dev *dev = dev_id;
|
|
u32 Index = rx_readl(dev, MUnit.OutboundQueue);
|
|
if (unlikely(Index == 0xFFFFFFFFL))
|
|
Index = rx_readl(dev, MUnit.OutboundQueue);
|
|
if (likely(Index != 0xFFFFFFFFL)) {
|
|
do {
|
|
if (unlikely(aac_intr_normal(dev, Index))) {
|
|
rx_writel(dev, MUnit.OutboundQueue, Index);
|
|
rx_writel(dev, MUnit.ODR, DoorBellAdapterNormRespReady);
|
|
}
|
|
Index = rx_readl(dev, MUnit.OutboundQueue);
|
|
} while (Index != 0xFFFFFFFFL);
|
|
return IRQ_HANDLED;
|
|
}
|
|
return IRQ_NONE;
|
|
}
|
|
|
|
/**
|
|
* aac_rx_disable_interrupt - Disable interrupts
|
|
* @dev: Adapter
|
|
*/
|
|
|
|
static void aac_rx_disable_interrupt(struct aac_dev *dev)
|
|
{
|
|
rx_writeb(dev, MUnit.OIMR, dev->OIMR = 0xff);
|
|
}
|
|
|
|
/**
|
|
* aac_rx_enable_interrupt_producer - Enable interrupts
|
|
* @dev: Adapter
|
|
*/
|
|
|
|
static void aac_rx_enable_interrupt_producer(struct aac_dev *dev)
|
|
{
|
|
rx_writeb(dev, MUnit.OIMR, dev->OIMR = 0xfb);
|
|
}
|
|
|
|
/**
|
|
* aac_rx_enable_interrupt_message - Enable interrupts
|
|
* @dev: Adapter
|
|
*/
|
|
|
|
static void aac_rx_enable_interrupt_message(struct aac_dev *dev)
|
|
{
|
|
rx_writeb(dev, MUnit.OIMR, dev->OIMR = 0xf7);
|
|
}
|
|
|
|
/**
|
|
* rx_sync_cmd - send a command and wait
|
|
* @dev: Adapter
|
|
* @command: Command to execute
|
|
* @p1: first parameter
|
|
* @ret: adapter status
|
|
*
|
|
* This routine will send a synchronous command to the adapter and wait
|
|
* for its completion.
|
|
*/
|
|
|
|
static int rx_sync_cmd(struct aac_dev *dev, u32 command,
|
|
u32 p1, u32 p2, u32 p3, u32 p4, u32 p5, u32 p6,
|
|
u32 *status, u32 * r1, u32 * r2, u32 * r3, u32 * r4)
|
|
{
|
|
unsigned long start;
|
|
int ok;
|
|
/*
|
|
* Write the command into Mailbox 0
|
|
*/
|
|
writel(command, &dev->IndexRegs->Mailbox[0]);
|
|
/*
|
|
* Write the parameters into Mailboxes 1 - 6
|
|
*/
|
|
writel(p1, &dev->IndexRegs->Mailbox[1]);
|
|
writel(p2, &dev->IndexRegs->Mailbox[2]);
|
|
writel(p3, &dev->IndexRegs->Mailbox[3]);
|
|
writel(p4, &dev->IndexRegs->Mailbox[4]);
|
|
/*
|
|
* Clear the synch command doorbell to start on a clean slate.
|
|
*/
|
|
rx_writel(dev, OutboundDoorbellReg, OUTBOUNDDOORBELL_0);
|
|
/*
|
|
* Disable doorbell interrupts
|
|
*/
|
|
rx_writeb(dev, MUnit.OIMR, dev->OIMR = 0xff);
|
|
/*
|
|
* Force the completion of the mask register write before issuing
|
|
* the interrupt.
|
|
*/
|
|
rx_readb (dev, MUnit.OIMR);
|
|
/*
|
|
* Signal that there is a new synch command
|
|
*/
|
|
rx_writel(dev, InboundDoorbellReg, INBOUNDDOORBELL_0);
|
|
|
|
ok = 0;
|
|
start = jiffies;
|
|
|
|
/*
|
|
* Wait up to 30 seconds
|
|
*/
|
|
while (time_before(jiffies, start+30*HZ))
|
|
{
|
|
udelay(5); /* Delay 5 microseconds to let Mon960 get info. */
|
|
/*
|
|
* Mon960 will set doorbell0 bit when it has completed the command.
|
|
*/
|
|
if (rx_readl(dev, OutboundDoorbellReg) & OUTBOUNDDOORBELL_0) {
|
|
/*
|
|
* Clear the doorbell.
|
|
*/
|
|
rx_writel(dev, OutboundDoorbellReg, OUTBOUNDDOORBELL_0);
|
|
ok = 1;
|
|
break;
|
|
}
|
|
/*
|
|
* Yield the processor in case we are slow
|
|
*/
|
|
msleep(1);
|
|
}
|
|
if (unlikely(ok != 1)) {
|
|
/*
|
|
* Restore interrupt mask even though we timed out
|
|
*/
|
|
aac_adapter_enable_int(dev);
|
|
return -ETIMEDOUT;
|
|
}
|
|
/*
|
|
* Pull the synch status from Mailbox 0.
|
|
*/
|
|
if (status)
|
|
*status = readl(&dev->IndexRegs->Mailbox[0]);
|
|
if (r1)
|
|
*r1 = readl(&dev->IndexRegs->Mailbox[1]);
|
|
if (r2)
|
|
*r2 = readl(&dev->IndexRegs->Mailbox[2]);
|
|
if (r3)
|
|
*r3 = readl(&dev->IndexRegs->Mailbox[3]);
|
|
if (r4)
|
|
*r4 = readl(&dev->IndexRegs->Mailbox[4]);
|
|
/*
|
|
* Clear the synch command doorbell.
|
|
*/
|
|
rx_writel(dev, OutboundDoorbellReg, OUTBOUNDDOORBELL_0);
|
|
/*
|
|
* Restore interrupt mask
|
|
*/
|
|
aac_adapter_enable_int(dev);
|
|
return 0;
|
|
|
|
}
|
|
|
|
/**
|
|
* aac_rx_interrupt_adapter - interrupt adapter
|
|
* @dev: Adapter
|
|
*
|
|
* Send an interrupt to the i960 and breakpoint it.
|
|
*/
|
|
|
|
static void aac_rx_interrupt_adapter(struct aac_dev *dev)
|
|
{
|
|
rx_sync_cmd(dev, BREAKPOINT_REQUEST, 0, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL);
|
|
}
|
|
|
|
/**
|
|
* aac_rx_notify_adapter - send an event to the adapter
|
|
* @dev: Adapter
|
|
* @event: Event to send
|
|
*
|
|
* Notify the i960 that something it probably cares about has
|
|
* happened.
|
|
*/
|
|
|
|
static void aac_rx_notify_adapter(struct aac_dev *dev, u32 event)
|
|
{
|
|
switch (event) {
|
|
|
|
case AdapNormCmdQue:
|
|
rx_writel(dev, MUnit.IDR,INBOUNDDOORBELL_1);
|
|
break;
|
|
case HostNormRespNotFull:
|
|
rx_writel(dev, MUnit.IDR,INBOUNDDOORBELL_4);
|
|
break;
|
|
case AdapNormRespQue:
|
|
rx_writel(dev, MUnit.IDR,INBOUNDDOORBELL_2);
|
|
break;
|
|
case HostNormCmdNotFull:
|
|
rx_writel(dev, MUnit.IDR,INBOUNDDOORBELL_3);
|
|
break;
|
|
case HostShutdown:
|
|
break;
|
|
case FastIo:
|
|
rx_writel(dev, MUnit.IDR,INBOUNDDOORBELL_6);
|
|
break;
|
|
case AdapPrintfDone:
|
|
rx_writel(dev, MUnit.IDR,INBOUNDDOORBELL_5);
|
|
break;
|
|
default:
|
|
BUG();
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* aac_rx_start_adapter - activate adapter
|
|
* @dev: Adapter
|
|
*
|
|
* Start up processing on an i960 based AAC adapter
|
|
*/
|
|
|
|
static void aac_rx_start_adapter(struct aac_dev *dev)
|
|
{
|
|
struct aac_init *init;
|
|
|
|
init = dev->init;
|
|
init->HostElapsedSeconds = cpu_to_le32(get_seconds());
|
|
// We can only use a 32 bit address here
|
|
rx_sync_cmd(dev, INIT_STRUCT_BASE_ADDRESS, (u32)(ulong)dev->init_pa,
|
|
0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL);
|
|
}
|
|
|
|
/**
|
|
* aac_rx_check_health
|
|
* @dev: device to check if healthy
|
|
*
|
|
* Will attempt to determine if the specified adapter is alive and
|
|
* capable of handling requests, returning 0 if alive.
|
|
*/
|
|
static int aac_rx_check_health(struct aac_dev *dev)
|
|
{
|
|
u32 status = rx_readl(dev, MUnit.OMRx[0]);
|
|
|
|
/*
|
|
* Check to see if the board failed any self tests.
|
|
*/
|
|
if (unlikely(status & SELF_TEST_FAILED))
|
|
return -1;
|
|
/*
|
|
* Check to see if the board panic'd.
|
|
*/
|
|
if (unlikely(status & KERNEL_PANIC)) {
|
|
char * buffer;
|
|
struct POSTSTATUS {
|
|
__le32 Post_Command;
|
|
__le32 Post_Address;
|
|
} * post;
|
|
dma_addr_t paddr, baddr;
|
|
int ret;
|
|
|
|
if (likely((status & 0xFF000000L) == 0xBC000000L))
|
|
return (status >> 16) & 0xFF;
|
|
buffer = pci_alloc_consistent(dev->pdev, 512, &baddr);
|
|
ret = -2;
|
|
if (unlikely(buffer == NULL))
|
|
return ret;
|
|
post = pci_alloc_consistent(dev->pdev,
|
|
sizeof(struct POSTSTATUS), &paddr);
|
|
if (unlikely(post == NULL)) {
|
|
pci_free_consistent(dev->pdev, 512, buffer, baddr);
|
|
return ret;
|
|
}
|
|
memset(buffer, 0, 512);
|
|
post->Post_Command = cpu_to_le32(COMMAND_POST_RESULTS);
|
|
post->Post_Address = cpu_to_le32(baddr);
|
|
rx_writel(dev, MUnit.IMRx[0], paddr);
|
|
rx_sync_cmd(dev, COMMAND_POST_RESULTS, baddr, 0, 0, 0, 0, 0,
|
|
NULL, NULL, NULL, NULL, NULL);
|
|
pci_free_consistent(dev->pdev, sizeof(struct POSTSTATUS),
|
|
post, paddr);
|
|
if (likely((buffer[0] == '0') && ((buffer[1] == 'x') || (buffer[1] == 'X')))) {
|
|
ret = (buffer[2] <= '9') ? (buffer[2] - '0') : (buffer[2] - 'A' + 10);
|
|
ret <<= 4;
|
|
ret += (buffer[3] <= '9') ? (buffer[3] - '0') : (buffer[3] - 'A' + 10);
|
|
}
|
|
pci_free_consistent(dev->pdev, 512, buffer, baddr);
|
|
return ret;
|
|
}
|
|
/*
|
|
* Wait for the adapter to be up and running.
|
|
*/
|
|
if (unlikely(!(status & KERNEL_UP_AND_RUNNING)))
|
|
return -3;
|
|
/*
|
|
* Everything is OK
|
|
*/
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* aac_rx_deliver_producer
|
|
* @fib: fib to issue
|
|
*
|
|
* Will send a fib, returning 0 if successful.
|
|
*/
|
|
int aac_rx_deliver_producer(struct fib * fib)
|
|
{
|
|
struct aac_dev *dev = fib->dev;
|
|
struct aac_queue *q = &dev->queues->queue[AdapNormCmdQueue];
|
|
unsigned long qflags;
|
|
u32 Index;
|
|
unsigned long nointr = 0;
|
|
|
|
spin_lock_irqsave(q->lock, qflags);
|
|
aac_queue_get( dev, &Index, AdapNormCmdQueue, fib->hw_fib_va, 1, fib, &nointr);
|
|
|
|
q->numpending++;
|
|
*(q->headers.producer) = cpu_to_le32(Index + 1);
|
|
spin_unlock_irqrestore(q->lock, qflags);
|
|
if (!(nointr & aac_config.irq_mod))
|
|
aac_adapter_notify(dev, AdapNormCmdQueue);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* aac_rx_deliver_message
|
|
* @fib: fib to issue
|
|
*
|
|
* Will send a fib, returning 0 if successful.
|
|
*/
|
|
static int aac_rx_deliver_message(struct fib * fib)
|
|
{
|
|
struct aac_dev *dev = fib->dev;
|
|
struct aac_queue *q = &dev->queues->queue[AdapNormCmdQueue];
|
|
unsigned long qflags;
|
|
u32 Index;
|
|
u64 addr;
|
|
volatile void __iomem *device;
|
|
|
|
unsigned long count = 10000000L; /* 50 seconds */
|
|
spin_lock_irqsave(q->lock, qflags);
|
|
q->numpending++;
|
|
spin_unlock_irqrestore(q->lock, qflags);
|
|
for(;;) {
|
|
Index = rx_readl(dev, MUnit.InboundQueue);
|
|
if (unlikely(Index == 0xFFFFFFFFL))
|
|
Index = rx_readl(dev, MUnit.InboundQueue);
|
|
if (likely(Index != 0xFFFFFFFFL))
|
|
break;
|
|
if (--count == 0) {
|
|
spin_lock_irqsave(q->lock, qflags);
|
|
q->numpending--;
|
|
spin_unlock_irqrestore(q->lock, qflags);
|
|
return -ETIMEDOUT;
|
|
}
|
|
udelay(5);
|
|
}
|
|
device = dev->base + Index;
|
|
addr = fib->hw_fib_pa;
|
|
writel((u32)(addr & 0xffffffff), device);
|
|
device += sizeof(u32);
|
|
writel((u32)(addr >> 32), device);
|
|
device += sizeof(u32);
|
|
writel(le16_to_cpu(fib->hw_fib_va->header.Size), device);
|
|
rx_writel(dev, MUnit.InboundQueue, Index);
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* aac_rx_ioremap
|
|
* @size: mapping resize request
|
|
*
|
|
*/
|
|
static int aac_rx_ioremap(struct aac_dev * dev, u32 size)
|
|
{
|
|
if (!size) {
|
|
iounmap(dev->regs.rx);
|
|
return 0;
|
|
}
|
|
dev->base = dev->regs.rx = ioremap(dev->scsi_host_ptr->base, size);
|
|
if (dev->base == NULL)
|
|
return -1;
|
|
dev->IndexRegs = &dev->regs.rx->IndexRegs;
|
|
return 0;
|
|
}
|
|
|
|
static int aac_rx_restart_adapter(struct aac_dev *dev, int bled)
|
|
{
|
|
u32 var;
|
|
|
|
if (!(dev->supplement_adapter_info.SupportedOptions2 &
|
|
AAC_OPTION_MU_RESET) || (bled >= 0) || (bled == -2)) {
|
|
if (bled)
|
|
printk(KERN_ERR "%s%d: adapter kernel panic'd %x.\n",
|
|
dev->name, dev->id, bled);
|
|
else {
|
|
bled = aac_adapter_sync_cmd(dev, IOP_RESET_ALWAYS,
|
|
0, 0, 0, 0, 0, 0, &var, NULL, NULL, NULL, NULL);
|
|
if (!bled && (var != 0x00000001) && (var != 0x3803000F))
|
|
bled = -EINVAL;
|
|
}
|
|
if (bled && (bled != -ETIMEDOUT))
|
|
bled = aac_adapter_sync_cmd(dev, IOP_RESET,
|
|
0, 0, 0, 0, 0, 0, &var, NULL, NULL, NULL, NULL);
|
|
|
|
if (bled && (bled != -ETIMEDOUT))
|
|
return -EINVAL;
|
|
}
|
|
if (bled || (var == 0x3803000F)) { /* USE_OTHER_METHOD */
|
|
rx_writel(dev, MUnit.reserved2, 3);
|
|
msleep(5000); /* Delay 5 seconds */
|
|
var = 0x00000001;
|
|
}
|
|
if (var != 0x00000001)
|
|
return -EINVAL;
|
|
if (rx_readl(dev, MUnit.OMRx[0]) & KERNEL_PANIC)
|
|
return -ENODEV;
|
|
if (startup_timeout < 300)
|
|
startup_timeout = 300;
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* aac_rx_select_comm - Select communications method
|
|
* @dev: Adapter
|
|
* @comm: communications method
|
|
*/
|
|
|
|
int aac_rx_select_comm(struct aac_dev *dev, int comm)
|
|
{
|
|
switch (comm) {
|
|
case AAC_COMM_PRODUCER:
|
|
dev->a_ops.adapter_enable_int = aac_rx_enable_interrupt_producer;
|
|
dev->a_ops.adapter_intr = aac_rx_intr_producer;
|
|
dev->a_ops.adapter_deliver = aac_rx_deliver_producer;
|
|
break;
|
|
case AAC_COMM_MESSAGE:
|
|
dev->a_ops.adapter_enable_int = aac_rx_enable_interrupt_message;
|
|
dev->a_ops.adapter_intr = aac_rx_intr_message;
|
|
dev->a_ops.adapter_deliver = aac_rx_deliver_message;
|
|
break;
|
|
default:
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* aac_rx_init - initialize an i960 based AAC card
|
|
* @dev: device to configure
|
|
*
|
|
* Allocate and set up resources for the i960 based AAC variants. The
|
|
* device_interface in the commregion will be allocated and linked
|
|
* to the comm region.
|
|
*/
|
|
|
|
int _aac_rx_init(struct aac_dev *dev)
|
|
{
|
|
unsigned long start;
|
|
unsigned long status;
|
|
int restart = 0;
|
|
int instance = dev->id;
|
|
const char * name = dev->name;
|
|
|
|
if (aac_adapter_ioremap(dev, dev->base_size)) {
|
|
printk(KERN_WARNING "%s: unable to map adapter.\n", name);
|
|
goto error_iounmap;
|
|
}
|
|
|
|
/* Failure to reset here is an option ... */
|
|
dev->a_ops.adapter_sync_cmd = rx_sync_cmd;
|
|
dev->a_ops.adapter_enable_int = aac_rx_disable_interrupt;
|
|
dev->OIMR = status = rx_readb (dev, MUnit.OIMR);
|
|
if ((((status & 0x0c) != 0x0c) || aac_reset_devices || reset_devices) &&
|
|
!aac_rx_restart_adapter(dev, 0))
|
|
/* Make sure the Hardware FIFO is empty */
|
|
while ((++restart < 512) &&
|
|
(rx_readl(dev, MUnit.OutboundQueue) != 0xFFFFFFFFL));
|
|
/*
|
|
* Check to see if the board panic'd while booting.
|
|
*/
|
|
status = rx_readl(dev, MUnit.OMRx[0]);
|
|
if (status & KERNEL_PANIC) {
|
|
if (aac_rx_restart_adapter(dev, aac_rx_check_health(dev)))
|
|
goto error_iounmap;
|
|
++restart;
|
|
}
|
|
/*
|
|
* Check to see if the board failed any self tests.
|
|
*/
|
|
status = rx_readl(dev, MUnit.OMRx[0]);
|
|
if (status & SELF_TEST_FAILED) {
|
|
printk(KERN_ERR "%s%d: adapter self-test failed.\n", dev->name, instance);
|
|
goto error_iounmap;
|
|
}
|
|
/*
|
|
* Check to see if the monitor panic'd while booting.
|
|
*/
|
|
if (status & MONITOR_PANIC) {
|
|
printk(KERN_ERR "%s%d: adapter monitor panic.\n", dev->name, instance);
|
|
goto error_iounmap;
|
|
}
|
|
start = jiffies;
|
|
/*
|
|
* Wait for the adapter to be up and running. Wait up to 3 minutes
|
|
*/
|
|
while (!((status = rx_readl(dev, MUnit.OMRx[0])) & KERNEL_UP_AND_RUNNING))
|
|
{
|
|
if ((restart &&
|
|
(status & (KERNEL_PANIC|SELF_TEST_FAILED|MONITOR_PANIC))) ||
|
|
time_after(jiffies, start+HZ*startup_timeout)) {
|
|
printk(KERN_ERR "%s%d: adapter kernel failed to start, init status = %lx.\n",
|
|
dev->name, instance, status);
|
|
goto error_iounmap;
|
|
}
|
|
if (!restart &&
|
|
((status & (KERNEL_PANIC|SELF_TEST_FAILED|MONITOR_PANIC)) ||
|
|
time_after(jiffies, start + HZ *
|
|
((startup_timeout > 60)
|
|
? (startup_timeout - 60)
|
|
: (startup_timeout / 2))))) {
|
|
if (likely(!aac_rx_restart_adapter(dev, aac_rx_check_health(dev))))
|
|
start = jiffies;
|
|
++restart;
|
|
}
|
|
msleep(1);
|
|
}
|
|
if (restart && aac_commit)
|
|
aac_commit = 1;
|
|
/*
|
|
* Fill in the common function dispatch table.
|
|
*/
|
|
dev->a_ops.adapter_interrupt = aac_rx_interrupt_adapter;
|
|
dev->a_ops.adapter_disable_int = aac_rx_disable_interrupt;
|
|
dev->a_ops.adapter_notify = aac_rx_notify_adapter;
|
|
dev->a_ops.adapter_sync_cmd = rx_sync_cmd;
|
|
dev->a_ops.adapter_check_health = aac_rx_check_health;
|
|
dev->a_ops.adapter_restart = aac_rx_restart_adapter;
|
|
|
|
/*
|
|
* First clear out all interrupts. Then enable the one's that we
|
|
* can handle.
|
|
*/
|
|
aac_adapter_comm(dev, AAC_COMM_PRODUCER);
|
|
aac_adapter_disable_int(dev);
|
|
rx_writel(dev, MUnit.ODR, 0xffffffff);
|
|
aac_adapter_enable_int(dev);
|
|
|
|
if (aac_init_adapter(dev) == NULL)
|
|
goto error_iounmap;
|
|
aac_adapter_comm(dev, dev->comm_interface);
|
|
dev->msi = aac_msi && !pci_enable_msi(dev->pdev);
|
|
if (request_irq(dev->pdev->irq, dev->a_ops.adapter_intr,
|
|
IRQF_SHARED|IRQF_DISABLED, "aacraid", dev) < 0) {
|
|
if (dev->msi)
|
|
pci_disable_msi(dev->pdev);
|
|
printk(KERN_ERR "%s%d: Interrupt unavailable.\n",
|
|
name, instance);
|
|
goto error_iounmap;
|
|
}
|
|
aac_adapter_enable_int(dev);
|
|
/*
|
|
* Tell the adapter that all is configured, and it can
|
|
* start accepting requests
|
|
*/
|
|
aac_rx_start_adapter(dev);
|
|
|
|
return 0;
|
|
|
|
error_iounmap:
|
|
|
|
return -1;
|
|
}
|
|
|
|
int aac_rx_init(struct aac_dev *dev)
|
|
{
|
|
/*
|
|
* Fill in the function dispatch table.
|
|
*/
|
|
dev->a_ops.adapter_ioremap = aac_rx_ioremap;
|
|
dev->a_ops.adapter_comm = aac_rx_select_comm;
|
|
|
|
return _aac_rx_init(dev);
|
|
}
|