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| author | Vinod Koul <vinod.koul@intel.com> | 2016-10-03 09:17:33 +0530 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2016-10-03 09:17:33 +0530 |
| commit | 11bfedff5594eef74617e6aa02986cf517526b98 (patch) | |
| tree | 2aa1a3b8d4e71abda7103b41edffb3a92ca26784 /include | |
| parent | 0a98f4b857e9aedf426d8b5b07699a8526e07530 (diff) | |
| parent | 793ae66c7dcc7e6655029f6613221a111b15b58e (diff) | |
| download | linux-stable-11bfedff5594eef74617e6aa02986cf517526b98.tar.gz linux-stable-11bfedff5594eef74617e6aa02986cf517526b98.tar.bz2 linux-stable-11bfedff5594eef74617e6aa02986cf517526b98.zip | |
Merge branch 'topic/err_reporting' into for-linus
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Conflicts:
drivers/dma/cppi41.c
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/dmaengine.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index 30de0197263a..cc535a478bae 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -441,6 +441,21 @@ typedef bool (*dma_filter_fn)(struct dma_chan *chan, void *filter_param); typedef void (*dma_async_tx_callback)(void *dma_async_param); +enum dmaengine_tx_result { + DMA_TRANS_NOERROR = 0, /* SUCCESS */ + DMA_TRANS_READ_FAILED, /* Source DMA read failed */ + DMA_TRANS_WRITE_FAILED, /* Destination DMA write failed */ + DMA_TRANS_ABORTED, /* Op never submitted / aborted */ +}; + +struct dmaengine_result { + enum dmaengine_tx_result result; + u32 residue; +}; + +typedef void (*dma_async_tx_callback_result)(void *dma_async_param, + const struct dmaengine_result *result); + struct dmaengine_unmap_data { u8 map_cnt; u8 to_cnt; @@ -478,6 +493,7 @@ struct dma_async_tx_descriptor { dma_cookie_t (*tx_submit)(struct dma_async_tx_descriptor *tx); int (*desc_free)(struct dma_async_tx_descriptor *tx); dma_async_tx_callback callback; + dma_async_tx_callback_result callback_result; void *callback_param; struct dmaengine_unmap_data *unmap; #ifdef CONFIG_ASYNC_TX_ENABLE_CHANNEL_SWITCH |