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| author | Xiangliang Yu <yuxiangl@marvell.com> | 2011-09-29 11:34:55 +0400 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2011-10-02 22:17:27 +0400 |
| commit | 3a4b7efe7fa8ce3822f6139cddce4bae24c9ffe6 (patch) | |
| tree | bfeb050365c5bcd7a40435e3a7b047c5fb6a7a1b /drivers/scsi/mvsas/mv_defs.h | |
| parent | aa117dd14372e1b0bed651af2db1be670b595032 (diff) | |
| download | linux-3a4b7efe7fa8ce3822f6139cddce4bae24c9ffe6.tar.xz | |
[SCSI] mvsas: expander write performance enhancement
with 1 expander, connect 8 HDD, the write performance will be
improved by 80%.
Signed-off-by: Xiangliang Yu <yuxiangl@marvell.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/mvsas/mv_defs.h')
| -rw-r--r-- | drivers/scsi/mvsas/mv_defs.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/scsi/mvsas/mv_defs.h b/drivers/scsi/mvsas/mv_defs.h index dec7cadb7485..8e21482367d2 100644 --- a/drivers/scsi/mvsas/mv_defs.h +++ b/drivers/scsi/mvsas/mv_defs.h @@ -387,6 +387,7 @@ enum sas_cmd_port_registers { CMD_SL_MODE0 = 0x1BC, /* SL Mode 0 */ CMD_SL_MODE1 = 0x1C0, /* SL Mode 1 */ CMD_PND_FIFO_CTL1 = 0x1C4, /* Pending FIFO Control 1 */ + CMD_PORT_LAYER_TIMER1 = 0x1E0, /* Port Layer Timer 1 */ }; enum mvs_info_flags { |