/**
* 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];
u32 Index;
u64 addr;
volatile void __iomem *device;
unsigned long count = 10000000L; /* 50 seconds */
atomic_inc(&q->numpending);
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) {
atomic_dec(&q->numpending);
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;
}
static irqreturn_t aac_rx_intr(int irq, void *dev_id, struct pt_regs *regs)
{
struct aac_dev *dev = dev_id;
dprintk((KERN_DEBUG "aac_rx_intr(%d,%p,%p)\n", irq, dev_id, regs));
if (dev->new_comm_interface) {
u32 Index = rx_readl(dev, MUnit.OutboundQueue);
if (Index == 0xFFFFFFFFL)
Index = rx_readl(dev, MUnit.OutboundQueue);
if (Index != 0xFFFFFFFFL) {
do {
if (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;
}
} else {
unsigned long bellbits;
u8 intstat;
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 (intstat & ~(dev->OIMR))
{
bellbits = rx_readl(dev, OutboundDoorbellReg);
if (bellbits & DoorBellPrintfReady) {
aac_printf(dev, rx_readl (dev, IndexRegs.Mailbox[5]));
rx_writel(dev, MUnit.ODR,DoorBellPrintfReady);
rx_writel(dev, InboundDoorbellReg,DoorBellPrintfDone);
}
else if (bellbits & DoorBellAdapterNormCmdReady) {
rx_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdReady);
aac_command_normal(&dev->queues->queue[HostNormCmdQueue]);
}
else if (bellbits & DoorBellAdapterNormRespReady) {
rx_writel(dev, MUnit.ODR,DoorBellAdapterNormRespReady);
aac_response_normal(&dev->queues->queue[HostNormRespQueue]);
}
else if (bellbits & DoorBellAdapterNormCmdNotFull) {
rx_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdNotFull);
}
else if (bellbits & DoorBellAdapterNormRespNotFull) {
rx_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdNotFull);
rx_writel(dev, MUnit.ODR, DoorBellAdapterNormRespNotFull);
}
return IRQ_HANDLED;
}
}
return IRQ_NONE;
}
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;
}
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);
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;
}
/**
* 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;
}
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;
}
static irqreturn_t aac_rx_intr_message(int irq, void *dev_id)
{
int isAif, isFastResponse, isSpecial;
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 {
isAif = isFastResponse = isSpecial = 0;
if (Index & 0x00000002L) {
isAif = 1;
if (Index == 0xFFFFFFFEL)
isSpecial = 1;
Index &= ~0x00000002L;
} else {
if (Index & 0x00000001L)
isFastResponse = 1;
Index >>= 2;
}
if (!isSpecial) {
if (unlikely(aac_intr_normal(dev,
Index, isAif,
isFastResponse, NULL))) {
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;
}
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;
}
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;
}
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;
}
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;
writel(command, &dev->IndexRegs->Mailbox[0]);
writel(p1, &dev->IndexRegs->Mailbox[1]);
writel(p2, &dev->IndexRegs->Mailbox[2]);
writel(p3, &dev->IndexRegs->Mailbox[3]);
writel(p4, &dev->IndexRegs->Mailbox[4]);
rx_writel(dev, OutboundDoorbellReg, OUTBOUNDDOORBELL_0);
rx_writeb(dev, MUnit.OIMR, dev->OIMR = 0xff);
rx_readb (dev, MUnit.OIMR);
rx_writel(dev, InboundDoorbellReg, INBOUNDDOORBELL_0);
ok = 0;
start = jiffies;
while (time_before(jiffies, start+30*HZ))
{
udelay(5);
if (rx_readl(dev, OutboundDoorbellReg) & OUTBOUNDDOORBELL_0) {
rx_writel(dev, OutboundDoorbellReg, OUTBOUNDDOORBELL_0);
ok = 1;
break;
}
msleep(1);
}
if (unlikely(ok != 1)) {
aac_adapter_enable_int(dev);
return -ETIMEDOUT;
}
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]);
rx_writel(dev, OutboundDoorbellReg, OUTBOUNDDOORBELL_0);
aac_adapter_enable_int(dev);
return 0;
}
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;
}
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))
while ((++restart < 512) &&
(rx_readl(dev, MUnit.OutboundQueue) != 0xFFFFFFFFL));
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;
}
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;
}
if (status & MONITOR_PANIC) {
printk(KERN_ERR "%s%d: adapter monitor panic.\n", dev->name, instance);
goto error_iounmap;
}
start = jiffies;
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;
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;
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);
aac_rx_start_adapter(dev);
return 0;
error_iounmap:
return -1;
}