[SCSI] hpsa: use multiple reply queues
Smart Arrays can support multiple reply queues onto which command
completions may be deposited. It can help performance quite a bit
to arrange for command completions to be processed on the same CPU
from which they were submitted to increase the likelihood of cache
hits.
Signed-off-by: Matt Gates <matthew.gates@hp.com>
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/drivers/scsi/hpsa_cmd.h b/drivers/scsi/hpsa_cmd.h
index 14b56c9..43f1631 100644
--- a/drivers/scsi/hpsa_cmd.h
+++ b/drivers/scsi/hpsa_cmd.h
@@ -129,6 +129,7 @@
#define CFGTBL_Trans_Simple 0x00000002l
#define CFGTBL_Trans_Performant 0x00000004l
#define CFGTBL_Trans_use_short_tags 0x20000000l
+#define CFGTBL_Trans_enable_directed_msix (1 << 30)
#define CFGTBL_BusType_Ultra2 0x00000001l
#define CFGTBL_BusType_Ultra3 0x00000002l
@@ -380,8 +381,8 @@
u32 RepQCount;
u32 RepQCtrAddrLow32;
u32 RepQCtrAddrHigh32;
- u32 RepQAddr0Low32;
- u32 RepQAddr0High32;
+#define MAX_REPLY_QUEUES 8
+ struct vals32 RepQAddr[MAX_REPLY_QUEUES];
};
struct hpsa_pci_info {