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authorRaghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>2017-05-10 09:39:49 -0700
committerMartin K. Petersen <martin.petersen@oracle.com>2017-06-12 20:48:00 -0400
commit8c41b9b7987e404b3c922cf9d8ff941112051837 (patch)
tree142afce8b205e4bbef6d58bd1f64180225ef71c4 /drivers/scsi/aacraid
parent9473ddb2b037161b0bf16b60b37694f961fd6d48 (diff)
downloadblackbird-op-linux-8c41b9b7987e404b3c922cf9d8ff941112051837.tar.gz
blackbird-op-linux-8c41b9b7987e404b3c922cf9d8ff941112051837.zip
scsi: aacraid: Make sure ioctl returns on controller reset
Made sure that ioctl commands return in case of a controller reset. Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com> Reviewed-by: Dave Carroll <david.carroll@microsemi.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/aacraid')
-rw-r--r--drivers/scsi/aacraid/commsup.c25
1 files changed, 18 insertions, 7 deletions
diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c
index c48a245a6d47..1541ebc1efa2 100644
--- a/drivers/scsi/aacraid/commsup.c
+++ b/drivers/scsi/aacraid/commsup.c
@@ -803,11 +803,11 @@ int aac_hba_send(u8 command, struct fib *fibptr, fib_callback callback,
if (aac_check_eeh_failure(dev))
return -EFAULT;
- /* Only set for first known interruptable command */
- if (down_interruptible(&fibptr->event_wait)) {
+ fibptr->flags |= FIB_CONTEXT_FLAG_WAIT;
+ if (down_interruptible(&fibptr->event_wait))
fibptr->done = 2;
- up(&fibptr->event_wait);
- }
+ fibptr->flags &= ~(FIB_CONTEXT_FLAG_WAIT);
+
spin_lock_irqsave(&fibptr->event_lock, flags);
if ((fibptr->done == 0) || (fibptr->done == 2)) {
fibptr->done = 2; /* Tell interrupt we aborted */
@@ -1514,6 +1514,7 @@ static int _aac_reset_adapter(struct aac_dev *aac, int forced, u8 reset_type)
int jafo = 0;
int bled;
u64 dmamask;
+ int num_of_fibs = 0;
/*
* Assumptions:
@@ -1547,10 +1548,20 @@ static int _aac_reset_adapter(struct aac_dev *aac, int forced, u8 reset_type)
/*
* Loop through the fibs, close the synchronous FIBS
*/
- for (retval = 1, index = 0; index < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); index++) {
+ retval = 1;
+ num_of_fibs = aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB;
+ for (index = 0; index < num_of_fibs; index++) {
+
struct fib *fib = &aac->fibs[index];
- if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
- (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected))) {
+ __le32 XferState = fib->hw_fib_va->header.XferState;
+ bool is_response_expected = false;
+
+ if (!(XferState & cpu_to_le32(NoResponseExpected | Async)) &&
+ (XferState & cpu_to_le32(ResponseExpected)))
+ is_response_expected = true;
+
+ if (is_response_expected
+ || fib->flags & FIB_CONTEXT_FLAG_WAIT) {
unsigned long flagv;
spin_lock_irqsave(&fib->event_lock, flagv);
up(&fib->event_wait);
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