diff options
Diffstat (limited to 'include/linux/async_tx.h')
| -rw-r--r-- | include/linux/async_tx.h | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/include/linux/async_tx.h b/include/linux/async_tx.h index bdca3f1b3213..eb640f0acfac 100644 --- a/include/linux/async_tx.h +++ b/include/linux/async_tx.h | |||
| @@ -47,7 +47,6 @@ struct dma_chan_ref { | |||
| 47 | * address is an implied source, whereas the asynchronous case it must be listed | 47 | * address is an implied source, whereas the asynchronous case it must be listed |
| 48 | * as a source. The destination address must be the first address in the source | 48 | * as a source. The destination address must be the first address in the source |
| 49 | * array. | 49 | * array. |
| 50 | * @ASYNC_TX_ASSUME_COHERENT: skip cache maintenance operations | ||
| 51 | * @ASYNC_TX_ACK: immediately ack the descriptor, precludes setting up a | 50 | * @ASYNC_TX_ACK: immediately ack the descriptor, precludes setting up a |
| 52 | * dependency chain | 51 | * dependency chain |
| 53 | * @ASYNC_TX_DEP_ACK: ack the dependency descriptor. Useful for chaining. | 52 | * @ASYNC_TX_DEP_ACK: ack the dependency descriptor. Useful for chaining. |
| @@ -55,7 +54,6 @@ struct dma_chan_ref { | |||
| 55 | enum async_tx_flags { | 54 | enum async_tx_flags { |
| 56 | ASYNC_TX_XOR_ZERO_DST = (1 << 0), | 55 | ASYNC_TX_XOR_ZERO_DST = (1 << 0), |
| 57 | ASYNC_TX_XOR_DROP_DST = (1 << 1), | 56 | ASYNC_TX_XOR_DROP_DST = (1 << 1), |
| 58 | ASYNC_TX_ASSUME_COHERENT = (1 << 2), | ||
| 59 | ASYNC_TX_ACK = (1 << 3), | 57 | ASYNC_TX_ACK = (1 << 3), |
| 60 | ASYNC_TX_DEP_ACK = (1 << 4), | 58 | ASYNC_TX_DEP_ACK = (1 << 4), |
| 61 | }; | 59 | }; |
| @@ -64,9 +62,15 @@ enum async_tx_flags { | |||
| 64 | void async_tx_issue_pending_all(void); | 62 | void async_tx_issue_pending_all(void); |
| 65 | enum dma_status dma_wait_for_async_tx(struct dma_async_tx_descriptor *tx); | 63 | enum dma_status dma_wait_for_async_tx(struct dma_async_tx_descriptor *tx); |
| 66 | void async_tx_run_dependencies(struct dma_async_tx_descriptor *tx); | 64 | void async_tx_run_dependencies(struct dma_async_tx_descriptor *tx); |
| 65 | #ifdef CONFIG_ARCH_HAS_ASYNC_TX_FIND_CHANNEL | ||
| 66 | #include <asm/async_tx.h> | ||
| 67 | #else | ||
| 68 | #define async_tx_find_channel(dep, type, dst, dst_count, src, src_count, len) \ | ||
| 69 | __async_tx_find_channel(dep, type) | ||
| 67 | struct dma_chan * | 70 | struct dma_chan * |
| 68 | async_tx_find_channel(struct dma_async_tx_descriptor *depend_tx, | 71 | __async_tx_find_channel(struct dma_async_tx_descriptor *depend_tx, |
| 69 | enum dma_transaction_type tx_type); | 72 | enum dma_transaction_type tx_type); |
| 73 | #endif /* CONFIG_ARCH_HAS_ASYNC_TX_FIND_CHANNEL */ | ||
| 70 | #else | 74 | #else |
| 71 | static inline void async_tx_issue_pending_all(void) | 75 | static inline void async_tx_issue_pending_all(void) |
| 72 | { | 76 | { |
| @@ -88,7 +92,8 @@ async_tx_run_dependencies(struct dma_async_tx_descriptor *tx, | |||
| 88 | 92 | ||
| 89 | static inline struct dma_chan * | 93 | static inline struct dma_chan * |
| 90 | async_tx_find_channel(struct dma_async_tx_descriptor *depend_tx, | 94 | async_tx_find_channel(struct dma_async_tx_descriptor *depend_tx, |
| 91 | enum dma_transaction_type tx_type) | 95 | enum dma_transaction_type tx_type, struct page **dst, int dst_count, |
| 96 | struct page **src, int src_count, size_t len) | ||
| 92 | { | 97 | { |
| 93 | return NULL; | 98 | return NULL; |
| 94 | } | 99 | } |
