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| author | Stephen M. Cameron <scameron@beardog.cce.hp.com> | 2011-03-12 10:02:16 +0100 |
|---|---|---|
| committer | Jens Axboe <jaxboe@fusionio.com> | 2011-03-12 10:02:16 +0100 |
| commit | 0498cc2a9e81de97674adde8ced8a1462a397013 (patch) | |
| tree | aa2eaf47e1bcb6a708c05a6c5bf35d2d296c92b4 /drivers/block/cciss_cmd.h | |
| parent | 4a765046553a88e4ec80ad84d2131b9e69ab4ab0 (diff) | |
| download | lwn-0498cc2a9e81de97674adde8ced8a1462a397013.tar.gz lwn-0498cc2a9e81de97674adde8ced8a1462a397013.zip | |
cciss: Inform controller we are using 32-bit tags.
Controller will DMA only 32-bits of the tag per command
on completion if it knows we are only using 32-bit tags.
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'drivers/block/cciss_cmd.h')
| -rw-r--r-- | drivers/block/cciss_cmd.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/block/cciss_cmd.h b/drivers/block/cciss_cmd.h index 35463d2f0ee7..cd441bef031f 100644 --- a/drivers/block/cciss_cmd.h +++ b/drivers/block/cciss_cmd.h @@ -56,6 +56,7 @@ #define CFGTBL_Trans_Simple 0x00000002l #define CFGTBL_Trans_Performant 0x00000004l +#define CFGTBL_Trans_use_short_tags 0x20000000l #define CFGTBL_BusType_Ultra2 0x00000001l #define CFGTBL_BusType_Ultra3 0x00000002l |