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| author | wenxiong@linux.vnet.ibm.com <wenxiong@linux.vnet.ibm.com> | 2013-01-11 17:43:52 -0600 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2013-01-30 10:48:52 +1100 |
| commit | b53d124a154d0022437e06cf737af6bcc7b1f190 (patch) | |
| tree | 43a86043e068a036bf8ce4c4f38bdbe9e90d54eb /drivers/scsi/ipr.h | |
| parent | 56d6aa33d3f68471466cb183d6e04b508dfb296f (diff) | |
| download | linux-stable-b53d124a154d0022437e06cf737af6bcc7b1f190.tar.gz linux-stable-b53d124a154d0022437e06cf737af6bcc7b1f190.tar.bz2 linux-stable-b53d124a154d0022437e06cf737af6bcc7b1f190.zip | |
[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.h | 6 |
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 { |