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authorDan Williams <dan.j.williams@intel.com>2008-02-02 19:49:59 -0700
committerDan Williams <dan.j.williams@intel.com>2008-02-06 10:12:18 -0700
commit47437b2c9a64315efeb3d84e97ffefd6c3c67ef1 (patch)
treee0dec7b29bebb0a2113f143576d940c571869aa0 /crypto/async_tx
parentd4c56f97ff21df405d0cebe11f49e3c3c79662b5 (diff)
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async_tx: allow architecture specific async_tx_find_channel implementations
The source and destination addresses are included to allow channel selection based on address alignment. Signed-off-by: Dan Williams <dan.j.williams@intel.com> Reviewed-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
Diffstat (limited to 'crypto/async_tx')
-rw-r--r--crypto/async_tx/async_memcpy.c3
-rw-r--r--crypto/async_tx/async_memset.c3
-rw-r--r--crypto/async_tx/async_tx.c6
-rw-r--r--crypto/async_tx/async_xor.c8
4 files changed, 13 insertions, 7 deletions
diff --git a/crypto/async_tx/async_memcpy.c b/crypto/async_tx/async_memcpy.c
index 25dcf33..0f62822 100644
--- a/crypto/async_tx/async_memcpy.c
+++ b/crypto/async_tx/async_memcpy.c
@@ -46,7 +46,8 @@ async_memcpy(struct page *dest, struct page *src, unsigned int dest_offset,
struct dma_async_tx_descriptor *depend_tx,
dma_async_tx_callback cb_fn, void *cb_param)
{
- struct dma_chan *chan = async_tx_find_channel(depend_tx, DMA_MEMCPY);
+ struct dma_chan *chan = async_tx_find_channel(depend_tx, DMA_MEMCPY,
+ &dest, 1, &src, 1, len);
struct dma_device *device = chan ? chan->device : NULL;
struct dma_async_tx_descriptor *tx = NULL;
diff --git a/crypto/async_tx/async_memset.c b/crypto/async_tx/async_memset.c
index 8e98ab0..09c0e83 100644
--- a/crypto/async_tx/async_memset.c
+++ b/crypto/async_tx/async_memset.c
@@ -46,7 +46,8 @@ async_memset(struct page *dest, int val, unsigned int offset,
struct dma_async_tx_descriptor *depend_tx,
dma_async_tx_callback cb_fn, void *cb_param)
{
- struct dma_chan *chan = async_tx_find_channel(depend_tx, DMA_MEMSET);
+ struct dma_chan *chan = async_tx_find_channel(depend_tx, DMA_MEMSET,
+ &dest, 1, NULL, 0, len);
struct dma_device *device = chan ? chan->device : NULL;
struct dma_async_tx_descriptor *tx = NULL;
diff --git a/crypto/async_tx/async_tx.c b/crypto/async_tx/async_tx.c
index f39777f..56288218 100644
--- a/crypto/async_tx/async_tx.c
+++ b/crypto/async_tx/async_tx.c
@@ -361,13 +361,13 @@ static void __exit async_tx_exit(void)
}
/**
- * async_tx_find_channel - find a channel to carry out the operation or let
+ * __async_tx_find_channel - find a channel to carry out the operation or let
* the transaction execute synchronously
* @depend_tx: transaction dependency
* @tx_type: transaction type
*/
struct dma_chan *
-async_tx_find_channel(struct dma_async_tx_descriptor *depend_tx,
+__async_tx_find_channel(struct dma_async_tx_descriptor *depend_tx,
enum dma_transaction_type tx_type)
{
/* see if we can keep the chain on one channel */
@@ -383,7 +383,7 @@ async_tx_find_channel(struct dma_async_tx_descriptor *depend_tx,
} else
return NULL;
}
-EXPORT_SYMBOL_GPL(async_tx_find_channel);
+EXPORT_SYMBOL_GPL(__async_tx_find_channel);
#else
static int __init async_tx_init(void)
{
diff --git a/crypto/async_tx/async_xor.c b/crypto/async_tx/async_xor.c
index 68d2fe4..2259a4ff 100644
--- a/crypto/async_tx/async_xor.c
+++ b/crypto/async_tx/async_xor.c
@@ -129,7 +129,9 @@ async_xor(struct page *dest, struct page **src_list, unsigned int offset,
struct dma_async_tx_descriptor *depend_tx,
dma_async_tx_callback cb_fn, void *cb_param)
{
- struct dma_chan *chan = async_tx_find_channel(depend_tx, DMA_XOR);
+ struct dma_chan *chan = async_tx_find_channel(depend_tx, DMA_XOR,
+ &dest, 1, src_list,
+ src_cnt, len);
struct dma_device *device = chan ? chan->device : NULL;
struct dma_async_tx_descriptor *tx = NULL;
dma_async_tx_callback _cb_fn;
@@ -261,7 +263,9 @@ async_xor_zero_sum(struct page *dest, struct page **src_list,
struct dma_async_tx_descriptor *depend_tx,
dma_async_tx_callback cb_fn, void *cb_param)
{
- struct dma_chan *chan = async_tx_find_channel(depend_tx, DMA_ZERO_SUM);
+ struct dma_chan *chan = async_tx_find_channel(depend_tx, DMA_ZERO_SUM,
+ &dest, 1, src_list,
+ src_cnt, len);
struct dma_device *device = chan ? chan->device : NULL;
struct dma_async_tx_descriptor *tx = NULL;