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);
+ 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);
+ dev->hw_fib_va = NULL;
+ dev->hw_fib_pa = 0;
}
/**
*/
switch (le32_to_cpu(aifcmd->command)) {
case AifCmdDriverNotify:
- switch (le32_to_cpu(((u32 *)aifcmd->data)[0])) {
+ switch (le32_to_cpu(((__le32 *)aifcmd->data)[0])) {
/*
* Morph or Expand complete
*/
case AifDenMorphComplete:
case AifDenVolumeExtendComplete:
- container = le32_to_cpu(((u32 *)aifcmd->data)[1]);
+ container = le32_to_cpu(((__le32 *)aifcmd->data)[1]);
if (container >= dev->maximum_num_containers)
break;
if (container >= dev->maximum_num_containers)
break;
if ((dev->fsa_dev[container].config_waiting_on ==
- le32_to_cpu(*(u32 *)aifcmd->data)) &&
+ le32_to_cpu(*(__le32 *)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)) &&
+ le32_to_cpu(*(__le32 *)aifcmd->data)) &&
time_before(jiffies, dev->fsa_dev[container].config_waiting_stamp + AIF_SNIFF_TIMEOUT))
dev->fsa_dev[container].config_waiting_on = 0;
}
break;
case AifCmdEventNotify:
- switch (le32_to_cpu(((u32 *)aifcmd->data)[0])) {
+ switch (le32_to_cpu(((__le32 *)aifcmd->data)[0])) {
+ case AifEnBatteryEvent:
+ dev->cache_protected =
+ (((__le32 *)aifcmd->data)[1] == cpu_to_le32(3));
+ break;
/*
* Add an Array.
*/
case AifEnAddContainer:
- container = le32_to_cpu(((u32 *)aifcmd->data)[1]);
+ container = le32_to_cpu(((__le32 *)aifcmd->data)[1]);
if (container >= dev->maximum_num_containers)
break;
dev->fsa_dev[container].config_needed = ADD;
* Delete an Array.
*/
case AifEnDeleteContainer:
- container = le32_to_cpu(((u32 *)aifcmd->data)[1]);
+ container = le32_to_cpu(((__le32 *)aifcmd->data)[1]);
if (container >= dev->maximum_num_containers)
break;
dev->fsa_dev[container].config_needed = DELETE;
* waiting on something else, setup to wait on a Config Change.
*/
case AifEnContainerChange:
- container = le32_to_cpu(((u32 *)aifcmd->data)[1]);
+ container = le32_to_cpu(((__le32 *)aifcmd->data)[1]);
if (container >= dev->maximum_num_containers)
break;
if (dev->fsa_dev[container].config_waiting_on &&
if (container >= dev->maximum_num_containers)
break;
if ((dev->fsa_dev[container].config_waiting_on ==
- le32_to_cpu(*(u32 *)aifcmd->data)) &&
+ le32_to_cpu(*(__le32 *)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)) &&
+ le32_to_cpu(*(__le32 *)aifcmd->data)) &&
time_before(jiffies, dev->fsa_dev[container].config_waiting_stamp + AIF_SNIFF_TIMEOUT))
dev->fsa_dev[container].config_waiting_on = 0;
}
* wait for a container change.
*/
- if ((((u32 *)aifcmd->data)[1] == cpu_to_le32(AifJobCtrZero))
- && ((((u32 *)aifcmd->data)[6] == ((u32 *)aifcmd->data)[5])
- || (((u32 *)aifcmd->data)[4] == cpu_to_le32(AifJobStsSuccess)))) {
+ if (((__le32 *)aifcmd->data)[1] == cpu_to_le32(AifJobCtrZero) &&
+ (((__le32 *)aifcmd->data)[6] == ((__le32 *)aifcmd->data)[5] ||
+ ((__le32 *)aifcmd->data)[4] == cpu_to_le32(AifJobStsSuccess))) {
for (container = 0;
container < dev->maximum_num_containers;
++container) {
jiffies;
}
}
- if ((((u32 *)aifcmd->data)[1] == cpu_to_le32(AifJobCtrZero))
- && (((u32 *)aifcmd->data)[6] == 0)
- && (((u32 *)aifcmd->data)[4] == cpu_to_le32(AifJobStsRunning))) {
+ if (((__le32 *)aifcmd->data)[1] == cpu_to_le32(AifJobCtrZero) &&
+ ((__le32 *)aifcmd->data)[6] == 0 &&
+ ((__le32 *)aifcmd->data)[4] == cpu_to_le32(AifJobStsRunning)) {
for (container = 0;
container < dev->maximum_num_containers;
++container) {
}
-static int _aac_reset_adapter(struct aac_dev *aac)
+static int _aac_reset_adapter(struct aac_dev *aac, int forced)
{
int index, quirks;
int retval;
struct scsi_device *dev;
struct scsi_cmnd *command;
struct scsi_cmnd *command_list;
+ int jafo = 0;
/*
* Assumptions:
- * - host is locked.
+ * - host is locked, unless called by the aacraid thread.
+ * (a matter of convenience, due to legacy issues surrounding
+ * eh_host_adapter_reset).
* - in_reset is asserted, so no new i/o is getting to the
* card.
- * - The card is dead.
+ * - The card is dead, or will be very shortly ;-/ so no new
+ * commands are completing in the interrupt service.
*/
host = aac->scsi_host_ptr;
scsi_block_requests(host);
aac_adapter_disable_int(aac);
- spin_unlock_irq(host->host_lock);
- kthread_stop(aac->thread);
+ if (aac->thread->pid != current->pid) {
+ spin_unlock_irq(host->host_lock);
+ kthread_stop(aac->thread);
+ jafo = 1;
+ }
/*
* If a positive health, means in a known DEAD PANIC
* state and the adapter could be reset to `try again'.
*/
- retval = aac_adapter_restart(aac, aac_adapter_check_health(aac));
+ retval = aac_adapter_restart(aac, forced ? 0 : aac_adapter_check_health(aac));
if (retval)
goto out;
* case.
*/
aac_fib_map_free(aac);
- aac->hw_fib_va = NULL;
- aac->hw_fib_pa = 0;
pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, aac->comm_phys);
aac->comm_addr = NULL;
aac->comm_phys = 0;
free_irq(aac->pdev->irq, aac);
kfree(aac->fsa_dev);
aac->fsa_dev = NULL;
- if (aac_get_driver_ident(index)->quirks & AAC_QUIRK_31BIT) {
- if (((retval = pci_set_dma_mask(aac->pdev, DMA_32BIT_MASK))) ||
- ((retval = pci_set_consistent_dma_mask(aac->pdev, DMA_32BIT_MASK))))
+ quirks = aac_get_driver_ident(index)->quirks;
+ if (quirks & AAC_QUIRK_31BIT) {
+ if (((retval = pci_set_dma_mask(aac->pdev, DMA_31BIT_MASK))) ||
+ ((retval = pci_set_consistent_dma_mask(aac->pdev, DMA_31BIT_MASK))))
goto out;
} else {
- if (((retval = pci_set_dma_mask(aac->pdev, 0x7FFFFFFFULL))) ||
- ((retval = pci_set_consistent_dma_mask(aac->pdev, 0x7FFFFFFFULL))))
+ if (((retval = pci_set_dma_mask(aac->pdev, DMA_32BIT_MASK))) ||
+ ((retval = pci_set_consistent_dma_mask(aac->pdev, DMA_32BIT_MASK))))
goto out;
}
if ((retval = (*(aac_get_driver_ident(index)->init))(aac)))
goto out;
- if (aac_get_driver_ident(index)->quirks & AAC_QUIRK_31BIT)
+ if (quirks & AAC_QUIRK_31BIT)
if ((retval = pci_set_dma_mask(aac->pdev, DMA_32BIT_MASK)))
goto out;
- aac->thread = kthread_run(aac_command_thread, aac, aac->name);
- if (IS_ERR(aac->thread)) {
- retval = PTR_ERR(aac->thread);
- goto out;
+ if (jafo) {
+ aac->thread = kthread_run(aac_command_thread, aac, aac->name);
+ if (IS_ERR(aac->thread)) {
+ retval = PTR_ERR(aac->thread);
+ goto out;
+ }
}
(void)aac_get_adapter_info(aac);
- quirks = aac_get_driver_ident(index)->quirks;
if ((quirks & AAC_QUIRK_34SG) && (host->sg_tablesize > 34)) {
host->sg_tablesize = 34;
host->max_sectors = (host->sg_tablesize * 8) + 112;
out:
aac->in_reset = 0;
scsi_unblock_requests(host);
- spin_lock_irq(host->host_lock);
+ if (jafo) {
+ spin_lock_irq(host->host_lock);
+ }
+ return retval;
+}
+
+int aac_reset_adapter(struct aac_dev * aac, int forced)
+{
+ unsigned long flagv = 0;
+ int retval;
+ struct Scsi_Host * host;
+
+ if (spin_trylock_irqsave(&aac->fib_lock, flagv) == 0)
+ return -EBUSY;
+
+ if (aac->in_reset) {
+ spin_unlock_irqrestore(&aac->fib_lock, flagv);
+ return -EBUSY;
+ }
+ aac->in_reset = 1;
+ spin_unlock_irqrestore(&aac->fib_lock, flagv);
+
+ /*
+ * Wait for all commands to complete to this specific
+ * target (block maximum 60 seconds). Although not necessary,
+ * it does make us a good storage citizen.
+ */
+ host = aac->scsi_host_ptr;
+ scsi_block_requests(host);
+ if (forced < 2) for (retval = 60; retval; --retval) {
+ struct scsi_device * dev;
+ struct scsi_cmnd * command;
+ int active = 0;
+
+ __shost_for_each_device(dev, host) {
+ spin_lock_irqsave(&dev->list_lock, flagv);
+ list_for_each_entry(command, &dev->cmd_list, list) {
+ if (command->SCp.phase == AAC_OWNER_FIRMWARE) {
+ active++;
+ break;
+ }
+ }
+ spin_unlock_irqrestore(&dev->list_lock, flagv);
+ if (active)
+ break;
+
+ }
+ /*
+ * We can exit If all the commands are complete
+ */
+ if (active == 0)
+ break;
+ ssleep(1);
+ }
+
+ /* Quiesce build, flush cache, write through mode */
+ if (forced < 2)
+ aac_send_shutdown(aac);
+ spin_lock_irqsave(host->host_lock, flagv);
+ retval = _aac_reset_adapter(aac, forced ? forced : ((aac_check_reset != 0) && (aac_check_reset != 1)));
+ spin_unlock_irqrestore(host->host_lock, flagv);
+
+ if ((forced < 2) && (retval == -ENODEV)) {
+ /* Unwind aac_send_shutdown() IOP_RESET unsupported/disabled */
+ struct fib * fibctx = aac_fib_alloc(aac);
+ if (fibctx) {
+ struct aac_pause *cmd;
+ int status;
+
+ aac_fib_init(fibctx);
+
+ cmd = (struct aac_pause *) fib_data(fibctx);
+
+ cmd->command = cpu_to_le32(VM_ContainerConfig);
+ cmd->type = cpu_to_le32(CT_PAUSE_IO);
+ cmd->timeout = cpu_to_le32(1);
+ cmd->min = cpu_to_le32(1);
+ cmd->noRescan = cpu_to_le32(1);
+ cmd->count = cpu_to_le32(0);
+
+ status = aac_fib_send(ContainerCommand,
+ fibctx,
+ sizeof(struct aac_pause),
+ FsaNormal,
+ -2 /* Timeout silently */, 1,
+ NULL, NULL);
+
+ if (status >= 0)
+ aac_fib_complete(fibctx);
+ aac_fib_free(fibctx);
+ }
+ }
+
return retval;
}
aif = (struct aac_aifcmd *)hw_fib->data;
aif->command = cpu_to_le32(AifCmdEventNotify);
aif->seqnum = cpu_to_le32(0xFFFFFFFF);
- aif->data[0] = cpu_to_le32(AifEnExpEvent);
- aif->data[1] = cpu_to_le32(AifExeFirmwarePanic);
- aif->data[2] = cpu_to_le32(AifHighPriority);
- aif->data[3] = cpu_to_le32(BlinkLED);
+ aif->data[0] = AifEnExpEvent;
+ aif->data[1] = AifExeFirmwarePanic;
+ aif->data[2] = AifHighPriority;
+ aif->data[3] = BlinkLED;
/*
* Put the FIB onto the
printk(KERN_ERR "%s: Host adapter BLINK LED 0x%x\n", aac->name, BlinkLED);
+ if (!aac_check_reset ||
+ ((aac_check_reset != 1) &&
+ (aac->supplement_adapter_info.SupportedOptions2 &
+ cpu_to_le32(AAC_OPTION_IGNORE_RESET))))
+ goto out;
host = aac->scsi_host_ptr;
- spin_lock_irqsave(host->host_lock, flagv);
- BlinkLED = _aac_reset_adapter(aac);
- spin_unlock_irqrestore(host->host_lock, flagv);
+ if (aac->thread->pid != current->pid)
+ spin_lock_irqsave(host->host_lock, flagv);
+ BlinkLED = _aac_reset_adapter(aac, aac_check_reset != 1);
+ if (aac->thread->pid != current->pid)
+ spin_unlock_irqrestore(host->host_lock, flagv);
return BlinkLED;
out:
struct aac_fib_context *fibctx;
unsigned long flags;
DECLARE_WAITQUEUE(wait, current);
+ unsigned long next_jiffies = jiffies + HZ;
+ unsigned long next_check_jiffies = next_jiffies;
+ long difference = HZ;
/*
* We can only have one thread per adapter for AIF's.
cpu_to_le32(AifCmdJobProgress))) {
aac_handle_aif(dev, fib);
}
-
+
time_now = jiffies/HZ;
/*
* There are no more AIF's
*/
spin_unlock_irqrestore(dev->queues->queue[HostNormCmdQueue].lock, flags);
- schedule();
+
+ /*
+ * Background activity
+ */
+ if ((time_before(next_check_jiffies,next_jiffies))
+ && ((difference = next_check_jiffies - jiffies) <= 0)) {
+ next_check_jiffies = next_jiffies;
+ if (aac_check_health(dev) == 0) {
+ difference = ((long)(unsigned)check_interval)
+ * HZ;
+ next_check_jiffies = jiffies + difference;
+ } else if (!dev->queues)
+ break;
+ }
+ if (!time_before(next_check_jiffies,next_jiffies)
+ && ((difference = next_jiffies - jiffies) <= 0)) {
+ struct timeval now;
+ int ret;
+
+ /* Don't even try to talk to adapter if its sick */
+ ret = aac_check_health(dev);
+ if (!ret && !dev->queues)
+ break;
+ next_check_jiffies = jiffies
+ + ((long)(unsigned)check_interval)
+ * HZ;
+ do_gettimeofday(&now);
+
+ /* Synchronize our watches */
+ if (((1000000 - (1000000 / HZ)) > now.tv_usec)
+ && (now.tv_usec > (1000000 / HZ)))
+ difference = (((1000000 - now.tv_usec) * HZ)
+ + 500000) / 1000000;
+ else if (ret == 0) {
+ struct fib *fibptr;
+
+ if ((fibptr = aac_fib_alloc(dev))) {
+ __le32 *info;
+
+ aac_fib_init(fibptr);
+
+ info = (__le32 *) fib_data(fibptr);
+ if (now.tv_usec > 500000)
+ ++now.tv_sec;
+
+ *info = cpu_to_le32(now.tv_sec);
+
+ (void)aac_fib_send(SendHostTime,
+ fibptr,
+ sizeof(*info),
+ FsaNormal,
+ 1, 1,
+ NULL,
+ NULL);
+ aac_fib_complete(fibptr);
+ aac_fib_free(fibptr);
+ }
+ difference = (long)(unsigned)update_interval*HZ;
+ } else {
+ /* retry shortly */
+ difference = 10 * HZ;
+ }
+ next_jiffies = jiffies + difference;
+ if (time_before(next_check_jiffies,next_jiffies))
+ difference = next_check_jiffies - jiffies;
+ }
+ if (difference <= 0)
+ difference = 1;
+ set_current_state(TASK_INTERRUPTIBLE);
+ schedule_timeout(difference);
if (kthread_should_stop())
break;
- set_current_state(TASK_INTERRUPTIBLE);
}
if (dev->queues)
remove_wait_queue(&dev->queues->queue[HostNormCmdQueue].cmdready, &wait);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff