diff options
Diffstat (limited to 'drivers/dma/ioat/hw.h')
-rw-r--r-- | drivers/dma/ioat/hw.h | 38 |
1 files changed, 18 insertions, 20 deletions
diff --git a/drivers/dma/ioat/hw.h b/drivers/dma/ioat/hw.h index 1438fa5c4d1a..e13f3ed47763 100644 --- a/drivers/dma/ioat/hw.h +++ b/drivers/dma/ioat/hw.h | |||
@@ -40,7 +40,24 @@ | |||
40 | 40 | ||
41 | struct ioat_dma_descriptor { | 41 | struct ioat_dma_descriptor { |
42 | uint32_t size; | 42 | uint32_t size; |
43 | uint32_t ctl; | 43 | union { |
44 | uint32_t ctl; | ||
45 | struct { | ||
46 | unsigned int int_en:1; | ||
47 | unsigned int src_snoop_dis:1; | ||
48 | unsigned int dest_snoop_dis:1; | ||
49 | unsigned int compl_write:1; | ||
50 | unsigned int fence:1; | ||
51 | unsigned int null:1; | ||
52 | unsigned int src_brk:1; | ||
53 | unsigned int dest_brk:1; | ||
54 | unsigned int bundle:1; | ||
55 | unsigned int dest_dca:1; | ||
56 | unsigned int hint:1; | ||
57 | unsigned int rsvd2:13; | ||
58 | unsigned int op:8; | ||
59 | } ctl_f; | ||
60 | }; | ||
44 | uint64_t src_addr; | 61 | uint64_t src_addr; |
45 | uint64_t dst_addr; | 62 | uint64_t dst_addr; |
46 | uint64_t next; | 63 | uint64_t next; |
@@ -49,23 +66,4 @@ struct ioat_dma_descriptor { | |||
49 | uint64_t user1; | 66 | uint64_t user1; |
50 | uint64_t user2; | 67 | uint64_t user2; |
51 | }; | 68 | }; |
52 | |||
53 | #define IOAT_DMA_DESCRIPTOR_CTL_INT_GN 0x00000001 | ||
54 | #define IOAT_DMA_DESCRIPTOR_CTL_SRC_SN 0x00000002 | ||
55 | #define IOAT_DMA_DESCRIPTOR_CTL_DST_SN 0x00000004 | ||
56 | #define IOAT_DMA_DESCRIPTOR_CTL_CP_STS 0x00000008 | ||
57 | #define IOAT_DMA_DESCRIPTOR_CTL_FRAME 0x00000010 | ||
58 | #define IOAT_DMA_DESCRIPTOR_NUL 0x00000020 | ||
59 | #define IOAT_DMA_DESCRIPTOR_CTL_SP_BRK 0x00000040 | ||
60 | #define IOAT_DMA_DESCRIPTOR_CTL_DP_BRK 0x00000080 | ||
61 | #define IOAT_DMA_DESCRIPTOR_CTL_BNDL 0x00000100 | ||
62 | #define IOAT_DMA_DESCRIPTOR_CTL_DCA 0x00000200 | ||
63 | #define IOAT_DMA_DESCRIPTOR_CTL_BUFHINT 0x00000400 | ||
64 | |||
65 | #define IOAT_DMA_DESCRIPTOR_CTL_OPCODE_CONTEXT 0xFF000000 | ||
66 | #define IOAT_DMA_DESCRIPTOR_CTL_OPCODE_DMA 0x00000000 | ||
67 | |||
68 | #define IOAT_DMA_DESCRIPTOR_CTL_CONTEXT_DCA 0x00000001 | ||
69 | #define IOAT_DMA_DESCRIPTOR_CTL_OPCODE_MASK 0xFF000000 | ||
70 | |||
71 | #endif | 69 | #endif |