diff options
Diffstat (limited to 'drivers/dma/mv_xor.h')
| -rw-r--r-- | drivers/dma/mv_xor.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/dma/mv_xor.h b/drivers/dma/mv_xor.h index 0e302b3a33ad..ac1ce87935de 100644 --- a/drivers/dma/mv_xor.h +++ b/drivers/dma/mv_xor.h @@ -30,9 +30,14 @@ /* Values for the XOR_CONFIG register */ #define XOR_OPERATION_MODE_XOR 0 #define XOR_OPERATION_MODE_MEMCPY 2 +#define XOR_OPERATION_MODE_IN_DESC 7 #define XOR_DESCRIPTOR_SWAP BIT(14) #define XOR_DESC_SUCCESS 0x40000000 +#define XOR_DESC_OPERATION_XOR (0 << 24) +#define XOR_DESC_OPERATION_CRC32C (1 << 24) +#define XOR_DESC_OPERATION_MEMCPY (2 << 24) + #define XOR_DESC_DMA_OWNED BIT(31) #define XOR_DESC_EOD_INT_EN BIT(31) @@ -96,6 +101,7 @@ struct mv_xor_device { * @all_slots: complete domain of slots usable by the channel * @slots_allocated: records the actual size of the descriptor slot pool * @irq_tasklet: bottom half where mv_xor_slot_cleanup runs + * @op_in_desc: new mode of driver, each op is writen to descriptor. */ struct mv_xor_chan { int pending; @@ -116,6 +122,7 @@ struct mv_xor_chan { struct list_head all_slots; int slots_allocated; struct tasklet_struct irq_tasklet; + int op_in_desc; char dummy_src[MV_XOR_MIN_BYTE_COUNT]; char dummy_dst[MV_XOR_MIN_BYTE_COUNT]; dma_addr_t dummy_src_addr, dummy_dst_addr; |