#include <linux/slab.h>
#include <linux/completion.h>
#include <linux/blkdev.h>
+#include <linux/delay.h>
+#include <linux/kthread.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_device.h>
#include <asm/semaphore.h>
-#include <asm/delay.h>
#include "aacraid.h"
}
/**
- * fib_map_free - free the fib objects
+ * aac_fib_map_free - free the fib objects
* @dev: Adapter to free
*
* Free the PCI mappings and the memory allocated for FIB blocks
* on this adapter.
*/
-void fib_map_free(struct aac_dev *dev)
+void aac_fib_map_free(struct aac_dev *dev)
{
pci_free_consistent(dev->pdev, dev->max_fib_size * (dev->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB), dev->hw_fib_va, dev->hw_fib_pa);
}
/**
- * fib_setup - setup the fibs
+ * aac_fib_setup - setup the fibs
* @dev: Adapter to set up
*
* Allocate the PCI space for the fibs, map it and then intialise the
* fib area, the unmapped fib data and also the free list
*/
-int fib_setup(struct aac_dev * dev)
+int aac_fib_setup(struct aac_dev * dev)
{
struct fib *fibptr;
struct hw_fib *hw_fib_va;
}
/**
- * fib_alloc - allocate a fib
+ * aac_fib_alloc - allocate a fib
* @dev: Adapter to allocate the fib for
*
* Allocate a fib from the adapter fib pool. If the pool is empty we
* return NULL.
*/
-struct fib * fib_alloc(struct aac_dev *dev)
+struct fib *aac_fib_alloc(struct aac_dev *dev)
{
struct fib * fibptr;
unsigned long flags;
}
/**
- * fib_free - free a fib
+ * aac_fib_free - free a fib
* @fibptr: fib to free up
*
* Frees up a fib and places it on the appropriate queue
* (either free or timed out)
*/
-void fib_free(struct fib * fibptr)
+void aac_fib_free(struct fib *fibptr)
{
unsigned long flags;
fibptr->dev->timeout_fib = fibptr;
} else {
if (fibptr->hw_fib->header.XferState != 0) {
- printk(KERN_WARNING "fib_free, XferState != 0, fibptr = 0x%p, XferState = 0x%x\n",
+ printk(KERN_WARNING "aac_fib_free, XferState != 0, fibptr = 0x%p, XferState = 0x%x\n",
(void*)fibptr,
le32_to_cpu(fibptr->hw_fib->header.XferState));
}
}
/**
- * fib_init - initialise a fib
+ * aac_fib_init - initialise a fib
* @fibptr: The fib to initialize
*
* Set up the generic fib fields ready for use
*/
-void fib_init(struct fib *fibptr)
+void aac_fib_init(struct fib *fibptr)
{
struct hw_fib *hw_fib = fibptr->hw_fib;
*/
/**
- * fib_send - send a fib to the adapter
+ * aac_fib_send - send a fib to the adapter
* @command: Command to send
* @fibptr: The fib
* @size: Size of fib data area
* response FIB is received from the adapter.
*/
-int fib_send(u16 command, struct fib * fibptr, unsigned long size, int priority, int wait, int reply, fib_callback callback, void * callback_data)
+int aac_fib_send(u16 command, struct fib *fibptr, unsigned long size,
+ int priority, int wait, int reply, fib_callback callback,
+ void *callback_data)
{
struct aac_dev * dev = fibptr->dev;
struct hw_fib * hw_fib = fibptr->hw_fib;
q->numpending++;
*(q->headers.producer) = cpu_to_le32(index + 1);
spin_unlock_irqrestore(q->lock, qflags);
- dprintk((KERN_DEBUG "fib_send: inserting a queue entry at index %d.\n",index));
+ dprintk((KERN_DEBUG "aac_fib_send: inserting a queue entry at index %d.\n",index));
if (!(nointr & aac_config.irq_mod))
aac_adapter_notify(dev, AdapNormCmdQueue);
}
list_del(&fibptr->queue);
spin_unlock_irqrestore(q->lock, qflags);
if (wait == -1) {
- printk(KERN_ERR "aacraid: fib_send: first asynchronous command timed out.\n"
+ printk(KERN_ERR "aacraid: aac_fib_send: first asynchronous command timed out.\n"
"Usually a result of a PCI interrupt routing problem;\n"
"update mother board BIOS or consider utilizing one of\n"
"the SAFE mode kernel options (acpi, apic etc)\n");
}
/**
- * fib_adapter_complete - complete adapter issued fib
+ * aac_fib_adapter_complete - complete adapter issued fib
* @fibptr: fib to complete
* @size: size of fib
*
* the adapter.
*/
-int fib_adapter_complete(struct fib * fibptr, unsigned short size)
+int aac_fib_adapter_complete(struct fib *fibptr, unsigned short size)
{
struct hw_fib * hw_fib = fibptr->hw_fib;
struct aac_dev * dev = fibptr->dev;
}
else
{
- printk(KERN_WARNING "fib_adapter_complete: Unknown xferstate detected.\n");
+ printk(KERN_WARNING "aac_fib_adapter_complete: Unknown xferstate detected.\n");
BUG();
}
return 0;
}
/**
- * fib_complete - fib completion handler
+ * aac_fib_complete - fib completion handler
* @fib: FIB to complete
*
* Will do all necessary work to complete a FIB.
*/
-int fib_complete(struct fib * fibptr)
+int aac_fib_complete(struct fib *fibptr)
{
struct hw_fib * hw_fib = fibptr->hw_fib;
if (cp[length] != 0)
cp[length] = 0;
if (level == LOG_AAC_HIGH_ERROR)
- printk(KERN_WARNING "aacraid:%s", cp);
+ printk(KERN_WARNING "%s:%s", dev->name, cp);
else
- printk(KERN_INFO "aacraid:%s", cp);
+ printk(KERN_INFO "%s:%s", dev->name, cp);
}
memset(cp, 0, 256);
}
* dispatches it to the appropriate routine for handling.
*/
+#define AIF_SNIFF_TIMEOUT (30*HZ)
static void aac_handle_aif(struct aac_dev * dev, struct fib * fibptr)
{
struct hw_fib * hw_fib = fibptr->hw_fib;
break;
/*
- * Find the Scsi_Device associated with the SCSI
+ * Find the scsi_device associated with the SCSI
* address. Make sure we have the right array, and if
* so set the flag to initiate a new re-config once we
* see an AifEnConfigChange AIF come through.
if (device) {
dev->fsa_dev[container].config_needed = CHANGE;
dev->fsa_dev[container].config_waiting_on = AifEnConfigChange;
+ dev->fsa_dev[container].config_waiting_stamp = jiffies;
scsi_device_put(device);
}
}
if (container != (u32)-1) {
if (container >= dev->maximum_num_containers)
break;
- if (dev->fsa_dev[container].config_waiting_on ==
- le32_to_cpu(*(u32 *)aifcmd->data))
+ if ((dev->fsa_dev[container].config_waiting_on ==
+ le32_to_cpu(*(u32 *)aifcmd->data)) &&
+ time_before(jiffies, dev->fsa_dev[container].config_waiting_stamp + AIF_SNIFF_TIMEOUT))
dev->fsa_dev[container].config_waiting_on = 0;
} else for (container = 0;
container < dev->maximum_num_containers; ++container) {
- if (dev->fsa_dev[container].config_waiting_on ==
- le32_to_cpu(*(u32 *)aifcmd->data))
+ if ((dev->fsa_dev[container].config_waiting_on ==
+ le32_to_cpu(*(u32 *)aifcmd->data)) &&
+ time_before(jiffies, dev->fsa_dev[container].config_waiting_stamp + AIF_SNIFF_TIMEOUT))
dev->fsa_dev[container].config_waiting_on = 0;
}
break;
dev->fsa_dev[container].config_needed = ADD;
dev->fsa_dev[container].config_waiting_on =
AifEnConfigChange;
+ dev->fsa_dev[container].config_waiting_stamp = jiffies;
break;
/*
dev->fsa_dev[container].config_needed = DELETE;
dev->fsa_dev[container].config_waiting_on =
AifEnConfigChange;
+ dev->fsa_dev[container].config_waiting_stamp = jiffies;
break;
/*
container = le32_to_cpu(((u32 *)aifcmd->data)[1]);
if (container >= dev->maximum_num_containers)
break;
- if (dev->fsa_dev[container].config_waiting_on)
+ if (dev->fsa_dev[container].config_waiting_on &&
+ time_before(jiffies, dev->fsa_dev[container].config_waiting_stamp + AIF_SNIFF_TIMEOUT))
break;
dev->fsa_dev[container].config_needed = CHANGE;
dev->fsa_dev[container].config_waiting_on =
AifEnConfigChange;
+ dev->fsa_dev[container].config_waiting_stamp = jiffies;
break;
case AifEnConfigChange:
if (container != (u32)-1) {
if (container >= dev->maximum_num_containers)
break;
- if (dev->fsa_dev[container].config_waiting_on ==
- le32_to_cpu(*(u32 *)aifcmd->data))
+ if ((dev->fsa_dev[container].config_waiting_on ==
+ le32_to_cpu(*(u32 *)aifcmd->data)) &&
+ time_before(jiffies, dev->fsa_dev[container].config_waiting_stamp + AIF_SNIFF_TIMEOUT))
dev->fsa_dev[container].config_waiting_on = 0;
} else for (container = 0;
container < dev->maximum_num_containers; ++container) {
- if (dev->fsa_dev[container].config_waiting_on ==
- le32_to_cpu(*(u32 *)aifcmd->data))
+ if ((dev->fsa_dev[container].config_waiting_on ==
+ le32_to_cpu(*(u32 *)aifcmd->data)) &&
+ time_before(jiffies, dev->fsa_dev[container].config_waiting_stamp + AIF_SNIFF_TIMEOUT))
dev->fsa_dev[container].config_waiting_on = 0;
}
break;
dev->fsa_dev[container].config_waiting_on =
AifEnContainerChange;
dev->fsa_dev[container].config_needed = ADD;
+ dev->fsa_dev[container].config_waiting_stamp =
+ jiffies;
}
}
if ((((u32 *)aifcmd->data)[1] == cpu_to_le32(AifJobCtrZero))
dev->fsa_dev[container].config_waiting_on =
AifEnContainerChange;
dev->fsa_dev[container].config_needed = DELETE;
+ dev->fsa_dev[container].config_waiting_stamp =
+ jiffies;
}
}
break;
device_config_needed = NOTHING;
for (container = 0; container < dev->maximum_num_containers;
++container) {
- if ((dev->fsa_dev[container].config_waiting_on == 0)
- && (dev->fsa_dev[container].config_needed != NOTHING)) {
+ if ((dev->fsa_dev[container].config_waiting_on == 0) &&
+ (dev->fsa_dev[container].config_needed != NOTHING) &&
+ time_before(jiffies, dev->fsa_dev[container].config_waiting_stamp + AIF_SNIFF_TIMEOUT)) {
device_config_needed =
dev->fsa_dev[container].config_needed;
dev->fsa_dev[container].config_needed = NOTHING;
/*
- * Find the Scsi_Device associated with the SCSI address,
+ * Find the scsi_device associated with the SCSI address,
* and mark it as changed, invalidating the cache. This deals
* with changes to existing device IDs.
*/
if (!dev || !dev->scsi_host_ptr)
return;
/*
- * force reload of disk info via probe_container
+ * force reload of disk info via aac_probe_container
*/
if ((device_config_needed == CHANGE)
&& (dev->fsa_dev[container].valid == 1))
dev->fsa_dev[container].valid = 2;
if ((device_config_needed == CHANGE) ||
(device_config_needed == ADD))
- probe_container(dev, container);
+ aac_probe_container(dev, container);
device = scsi_device_lookup(dev->scsi_host_ptr,
CONTAINER_TO_CHANNEL(container),
CONTAINER_TO_ID(container),
* more FIBs.
*/
-int aac_command_thread(struct aac_dev * dev)
+int aac_command_thread(void *data)
{
+ struct aac_dev *dev = data;
struct hw_fib *hw_fib, *hw_newfib;
struct fib *fib, *newfib;
struct aac_fib_context *fibctx;
*/
if (dev->aif_thread)
return -EINVAL;
- /*
- * Set up the name that will appear in 'ps'
- * stored in task_struct.comm[16].
- */
- daemonize("aacraid");
- allow_signal(SIGKILL);
+
/*
* Let the DPC know it has a place to send the AIF's to.
*/
/* Handle Driver Notify Events */
aac_handle_aif(dev, fib);
*(__le32 *)hw_fib->data = cpu_to_le32(ST_OK);
- fib_adapter_complete(fib, (u16)sizeof(u32));
+ aac_fib_adapter_complete(fib, (u16)sizeof(u32));
} else {
struct list_head *entry;
/* The u32 here is important and intended. We are using
* since the last read off
* the queue?
*/
- if ((time_now - time_last) > 120) {
+ if ((time_now - time_last) > aif_timeout) {
entry = entry->next;
aac_close_fib_context(dev, fibctx);
continue;
* Set the status of this FIB
*/
*(__le32 *)hw_fib->data = cpu_to_le32(ST_OK);
- fib_adapter_complete(fib, sizeof(u32));
+ aac_fib_adapter_complete(fib, sizeof(u32));
spin_unlock_irqrestore(&dev->fib_lock, flagv);
/* Free up the remaining resources */
hw_fib_p = hw_fib_pool;
spin_unlock_irqrestore(dev->queues->queue[HostNormCmdQueue].lock, flags);
schedule();
- if(signal_pending(current))
+ if (kthread_should_stop())
break;
set_current_state(TASK_INTERRUPTIBLE);
}
if (dev->queues)
remove_wait_queue(&dev->queues->queue[HostNormCmdQueue].cmdready, &wait);
dev->aif_thread = 0;
- complete_and_exit(&dev->aif_completion, 0);
return 0;
}
projects / linux-2.6 / blobdiff