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path: root/drivers/scsi/aacraid/commsup.c
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Diffstat (limited to 'drivers/scsi/aacraid/commsup.c')
-rw-r--r--drivers/scsi/aacraid/commsup.c96
1 files changed, 73 insertions, 23 deletions
diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c
index cab190af6345..4da574925284 100644
--- a/drivers/scsi/aacraid/commsup.c
+++ b/drivers/scsi/aacraid/commsup.c
@@ -208,14 +208,10 @@ struct fib *aac_fib_alloc(struct aac_dev *dev)
void aac_fib_free(struct fib *fibptr)
{
- unsigned long flags, flagsv;
+ unsigned long flags;
- spin_lock_irqsave(&fibptr->event_lock, flagsv);
- if (fibptr->done == 2) {
- spin_unlock_irqrestore(&fibptr->event_lock, flagsv);
+ if (fibptr->done == 2)
return;
- }
- spin_unlock_irqrestore(&fibptr->event_lock, flagsv);
spin_lock_irqsave(&fibptr->dev->fib_lock, flags);
if (unlikely(fibptr->flags & FIB_CONTEXT_FLAG_TIMED_OUT))
@@ -321,7 +317,7 @@ static int aac_get_entry (struct aac_dev * dev, u32 qid, struct aac_entry **entr
/* Queue is full */
if ((*index + 1) == le32_to_cpu(*(q->headers.consumer))) {
printk(KERN_WARNING "Queue %d full, %u outstanding.\n",
- qid, q->numpending);
+ qid, atomic_read(&q->numpending));
return 0;
} else {
*entry = q->base + *index;
@@ -414,7 +410,6 @@ int aac_fib_send(u16 command, struct fib *fibptr, unsigned long size,
struct aac_dev * dev = fibptr->dev;
struct hw_fib * hw_fib = fibptr->hw_fib_va;
unsigned long flags = 0;
- unsigned long qflags;
unsigned long mflags = 0;
unsigned long sflags = 0;
@@ -568,9 +563,7 @@ int aac_fib_send(u16 command, struct fib *fibptr, unsigned long size,
int blink;
if (time_is_before_eq_jiffies(timeout)) {
struct aac_queue * q = &dev->queues->queue[AdapNormCmdQueue];
- spin_lock_irqsave(q->lock, qflags);
- q->numpending--;
- spin_unlock_irqrestore(q->lock, qflags);
+ atomic_dec(&q->numpending);
if (wait == -1) {
printk(KERN_ERR "aacraid: aac_fib_send: first asynchronous command timed out.\n"
"Usually a result of a PCI interrupt routing problem;\n"
@@ -775,7 +768,6 @@ int aac_fib_adapter_complete(struct fib *fibptr, unsigned short size)
int aac_fib_complete(struct fib *fibptr)
{
- unsigned long flags;
struct hw_fib * hw_fib = fibptr->hw_fib_va;
/*
@@ -798,12 +790,6 @@ int aac_fib_complete(struct fib *fibptr)
* command is complete that we had sent to the adapter and this
* cdb could be reused.
*/
- spin_lock_irqsave(&fibptr->event_lock, flags);
- if (fibptr->done == 2) {
- spin_unlock_irqrestore(&fibptr->event_lock, flags);
- return 0;
- }
- spin_unlock_irqrestore(&fibptr->event_lock, flags);
if((hw_fib->header.XferState & cpu_to_le32(SentFromHost)) &&
(hw_fib->header.XferState & cpu_to_le32(AdapterProcessed)))
@@ -868,7 +854,7 @@ void aac_printf(struct aac_dev *dev, u32 val)
* dispatches it to the appropriate routine for handling.
*/
-#define AIF_SNIFF_TIMEOUT (30*HZ)
+#define AIF_SNIFF_TIMEOUT (500*HZ)
static void aac_handle_aif(struct aac_dev * dev, struct fib * fibptr)
{
struct hw_fib * hw_fib = fibptr->hw_fib_va;
@@ -897,6 +883,39 @@ static void aac_handle_aif(struct aac_dev * dev, struct fib * fibptr)
switch (le32_to_cpu(aifcmd->command)) {
case AifCmdDriverNotify:
switch (le32_to_cpu(((__le32 *)aifcmd->data)[0])) {
+ case AifRawDeviceRemove:
+ container = le32_to_cpu(((__le32 *)aifcmd->data)[1]);
+ if ((container >> 28)) {
+ container = (u32)-1;
+ break;
+ }
+ channel = (container >> 24) & 0xF;
+ if (channel >= dev->maximum_num_channels) {
+ container = (u32)-1;
+ break;
+ }
+ id = container & 0xFFFF;
+ if (id >= dev->maximum_num_physicals) {
+ container = (u32)-1;
+ break;
+ }
+ lun = (container >> 16) & 0xFF;
+ container = (u32)-1;
+ channel = aac_phys_to_logical(channel);
+ device_config_needed =
+ (((__le32 *)aifcmd->data)[0] ==
+ cpu_to_le32(AifRawDeviceRemove)) ? DELETE : ADD;
+
+ if (device_config_needed == ADD) {
+ device = scsi_device_lookup(
+ dev->scsi_host_ptr,
+ channel, id, lun);
+ if (device) {
+ scsi_remove_device(device);
+ scsi_device_put(device);
+ }
+ }
+ break;
/*
* Morph or Expand complete
*/
@@ -1044,6 +1063,8 @@ static void aac_handle_aif(struct aac_dev * dev, struct fib * fibptr)
switch (le32_to_cpu(((__le32 *)aifcmd->data)[3])) {
case EM_DRIVE_INSERTION:
case EM_DRIVE_REMOVAL:
+ case EM_SES_DRIVE_INSERTION:
+ case EM_SES_DRIVE_REMOVAL:
container = le32_to_cpu(
((__le32 *)aifcmd->data)[2]);
if ((container >> 28)) {
@@ -1069,8 +1090,10 @@ static void aac_handle_aif(struct aac_dev * dev, struct fib * fibptr)
}
channel = aac_phys_to_logical(channel);
device_config_needed =
- (((__le32 *)aifcmd->data)[3]
- == cpu_to_le32(EM_DRIVE_INSERTION)) ?
+ ((((__le32 *)aifcmd->data)[3]
+ == cpu_to_le32(EM_DRIVE_INSERTION)) ||
+ (((__le32 *)aifcmd->data)[3]
+ == cpu_to_le32(EM_SES_DRIVE_INSERTION))) ?
ADD : DELETE;
break;
}
@@ -1247,12 +1270,13 @@ retry_next:
static int _aac_reset_adapter(struct aac_dev *aac, int forced)
{
int index, quirks;
- int retval;
+ int retval, i;
struct Scsi_Host *host;
struct scsi_device *dev;
struct scsi_cmnd *command;
struct scsi_cmnd *command_list;
int jafo = 0;
+ int cpu;
/*
* Assumptions:
@@ -1315,7 +1339,33 @@ static int _aac_reset_adapter(struct aac_dev *aac, int forced)
aac->comm_phys = 0;
kfree(aac->queues);
aac->queues = NULL;
- free_irq(aac->pdev->irq, aac);
+ cpu = cpumask_first(cpu_online_mask);
+ if (aac->pdev->device == PMC_DEVICE_S6 ||
+ aac->pdev->device == PMC_DEVICE_S7 ||
+ aac->pdev->device == PMC_DEVICE_S8 ||
+ aac->pdev->device == PMC_DEVICE_S9) {
+ if (aac->max_msix > 1) {
+ for (i = 0; i < aac->max_msix; i++) {
+ if (irq_set_affinity_hint(
+ aac->msixentry[i].vector,
+ NULL)) {
+ printk(KERN_ERR "%s%d: Failed to reset IRQ affinity for cpu %d\n",
+ aac->name,
+ aac->id,
+ cpu);
+ }
+ cpu = cpumask_next(cpu,
+ cpu_online_mask);
+ free_irq(aac->msixentry[i].vector,
+ &(aac->aac_msix[i]));
+ }
+ pci_disable_msix(aac->pdev);
+ } else {
+ free_irq(aac->pdev->irq, &(aac->aac_msix[0]));
+ }
+ } else {
+ free_irq(aac->pdev->irq, aac);
+ }
if (aac->msi)
pci_disable_msi(aac->pdev);
kfree(aac->fsa_dev);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.