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authorWayne Boyer <wayneb@linux.vnet.ibm.com>2009-06-16 15:13:28 -0700
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2009-06-21 10:52:46 -0500
commit95fecd90397ec1f85eb31ede955d846a86d2077b (patch)
tree979cfdf24378c63203e3a0430d93f7da6f03db82 /drivers/scsi/ipr.h
parenta9e0edb687151617fe89cc5ab0086ebfc73ffccb (diff)
downloadop-kernel-dev-95fecd90397ec1f85eb31ede955d846a86d2077b.zip
op-kernel-dev-95fecd90397ec1f85eb31ede955d846a86d2077b.tar.gz
ipr: add test for MSI interrupt support
The return value from pci_enable_msi() can not always be trusted. This patch adds code to generate an interrupt after MSI has been enabled and tests whether or not we can receive and process it. If the tests fails, then fall back to LSI. Signed-off-by: Wayne Boyer <wayneb@linux.vnet.ibm.com> Acked-by: Brian King <brking@linux.vnet.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/scsi/ipr.h')
-rw-r--r--drivers/scsi/ipr.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h
index 79a3ae4..2d9269b 100644
--- a/drivers/scsi/ipr.h
+++ b/drivers/scsi/ipr.h
@@ -37,8 +37,8 @@
/*
* Literals
*/
-#define IPR_DRIVER_VERSION "2.4.2"
-#define IPR_DRIVER_DATE "(January 21, 2009)"
+#define IPR_DRIVER_VERSION "2.4.3"
+#define IPR_DRIVER_DATE "(June 10, 2009)"
/*
* IPR_MAX_CMD_PER_LUN: This defines the maximum number of outstanding
@@ -1094,6 +1094,7 @@ struct ipr_ioa_cfg {
u8 needs_hard_reset:1;
u8 dual_raid:1;
u8 needs_warm_reset:1;
+ u8 msi_received:1;
u8 revid;
@@ -1179,6 +1180,7 @@ struct ipr_ioa_cfg {
struct work_struct work_q;
wait_queue_head_t reset_wait_q;
+ wait_queue_head_t msi_wait_q;
struct ipr_dump *dump;
enum ipr_sdt_state sdt_state;
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