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authorStephen M. Cameron <scameron@beardog.cce.hp.com>2011-03-12 10:02:16 +0100
committerJens Axboe <jaxboe@fusionio.com>2011-03-12 10:02:16 +0100
commit0498cc2a9e81de97674adde8ced8a1462a397013 (patch)
treeaa2eaf47e1bcb6a708c05a6c5bf35d2d296c92b4 /drivers/block/cciss_cmd.h
parent4a765046553a88e4ec80ad84d2131b9e69ab4ab0 (diff)
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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.h1
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