diff options
Diffstat (limited to 'drivers/net/sfc/bitfield.h')
| -rw-r--r-- | drivers/net/sfc/bitfield.h | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/net/sfc/bitfield.h b/drivers/net/sfc/bitfield.h index b757a39f078e..d95c21828014 100644 --- a/drivers/net/sfc/bitfield.h +++ b/drivers/net/sfc/bitfield.h @@ -416,12 +416,23 @@ typedef union efx_oword { * for read-modify-write operations. * */ - #define EFX_INVERT_OWORD(oword) do { \ (oword).u64[0] = ~((oword).u64[0]); \ (oword).u64[1] = ~((oword).u64[1]); \ } while (0) +#define EFX_AND_OWORD(oword, from, mask) \ + do { \ + (oword).u64[0] = (from).u64[0] & (mask).u64[0]; \ + (oword).u64[1] = (from).u64[1] & (mask).u64[1]; \ + } while (0) + +#define EFX_OR_OWORD(oword, from, mask) \ + do { \ + (oword).u64[0] = (from).u64[0] | (mask).u64[0]; \ + (oword).u64[1] = (from).u64[1] | (mask).u64[1]; \ + } while (0) + #define EFX_INSERT64(min, max, low, high, value) \ cpu_to_le64(EFX_INSERT_NATIVE(min, max, low, high, value)) @@ -529,4 +540,10 @@ typedef union efx_oword { #define EFX_DMA_TYPE_WIDTH(width) \ (((width) < DMA_ADDR_T_WIDTH) ? (width) : DMA_ADDR_T_WIDTH) + +/* Static initialiser */ +#define EFX_OWORD32(a, b, c, d) \ + { .u32 = { __constant_cpu_to_le32(a), __constant_cpu_to_le32(b), \ + __constant_cpu_to_le32(c), __constant_cpu_to_le32(d) } } + #endif /* EFX_BITFIELD_H */ |