diff options
| author | Dan Williams <dan.j.williams@intel.com> | 2010-05-01 15:22:55 -0700 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2010-05-01 15:22:55 -0700 |
| commit | 074cc47679f8b0931d7d5384e95822d82768f149 (patch) | |
| tree | bd4699a1c769553f2bbfa931913352d26c81dc4d /drivers/dma/ioat/dma.h | |
| parent | abb12dfd50c7580d7dcbd581cf6265ba4d01ea7e (diff) | |
ioat2,3: convert to producer/consumer locking
Use separate locks for the descriptor prep (producer) and descriptor
cleanup (consumer) paths. Allows the producer path to run concurrently
with the cleanup path. Inspired by Documentation/circular-buffer.txt.
Cc: David Howells <dhowells@redhat.com>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Maciej Sosnowski <maciej.sosnowski@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/dma/ioat/dma.h')
| -rw-r--r-- | drivers/dma/ioat/dma.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/dma/ioat/dma.h b/drivers/dma/ioat/dma.h index 86b97ac8774e..0c76578e9911 100644 --- a/drivers/dma/ioat/dma.h +++ b/drivers/dma/ioat/dma.h @@ -96,6 +96,7 @@ struct ioat_chan_common { #define IOAT_COMPLETION_ACK 1 #define IOAT_RESET_PENDING 2 #define IOAT_KOBJ_INIT_FAIL 3 + #define IOAT_RESHAPE_PENDING 4 struct timer_list timer; #define COMPLETION_TIMEOUT msecs_to_jiffies(100) #define IDLE_TIMEOUT msecs_to_jiffies(2000) |