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authorwenxiong@linux.vnet.ibm.com <wenxiong@linux.vnet.ibm.com>2013-01-12 03:43:52 +0400
committerJames Bottomley <JBottomley@Parallels.com>2013-01-30 03:48:52 +0400
commitb53d124a154d0022437e06cf737af6bcc7b1f190 (patch)
tree43a86043e068a036bf8ce4c4f38bdbe9e90d54eb /drivers/scsi/ipr.h
parent56d6aa33d3f68471466cb183d6e04b508dfb296f (diff)
downloadlinux-b53d124a154d0022437e06cf737af6bcc7b1f190.tar.xz
[SCSI] ipr: Implement block iopoll
This patch implements blk iopoll in ipr driver for performance improvement. Signed-off-by: Wen Xiong <wenxiong@linux.vnet.ibm.com> Acked-by: Brian King <brking@linux.vnet.ibm.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/ipr.h')
-rw-r--r--drivers/scsi/ipr.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h
index 6fade571755c..c5d1e624c658 100644
--- a/drivers/scsi/ipr.h
+++ b/drivers/scsi/ipr.h
@@ -32,6 +32,7 @@
#include <linux/libata.h>
#include <linux/list.h>
#include <linux/kref.h>
+#include <linux/blk-iopoll.h>
#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>
@@ -492,6 +493,8 @@ struct ipr_hrr_queue {
u8 allow_interrupts:1;
u8 ioa_is_dead:1;
u8 allow_cmds:1;
+
+ struct blk_iopoll iopoll;
};
/* Command packet structure */
@@ -1348,6 +1351,7 @@ struct ipr_chip_cfg_t {
u16 max_cmds;
u8 cache_line_size;
u8 clear_isr;
+ u32 iopoll_weight;
struct ipr_interrupt_offsets regs;
};
@@ -1534,6 +1538,8 @@ struct ipr_ioa_cfg {
char desc[22];
} vectors_info[IPR_MAX_MSIX_VECTORS];
+ u32 iopoll_weight;
+
}; /* struct ipr_ioa_cfg */
struct ipr_cmnd {