| #ifndef _QLA_DSD_H_ |
| #define _QLA_DSD_H_ |
| |
| #include <linux/unaligned.h> |
| |
| /* 32-bit data segment descriptor (8 bytes) */ |
| struct dsd32 { |
| __le32 address; |
| __le32 length; |
| }; |
| |
| static inline void append_dsd32(struct dsd32 **dsd, struct scatterlist *sg) |
| { |
| put_unaligned_le32(sg_dma_address(sg), &(*dsd)->address); |
| put_unaligned_le32(sg_dma_len(sg), &(*dsd)->length); |
| (*dsd)++; |
| } |
| |
| /* 64-bit data segment descriptor (12 bytes) */ |
| struct dsd64 { |
| __le64 address; |
| __le32 length; |
| } __packed; |
| |
| static inline void append_dsd64(struct dsd64 **dsd, struct scatterlist *sg) |
| { |
| put_unaligned_le64(sg_dma_address(sg), &(*dsd)->address); |
| put_unaligned_le32(sg_dma_len(sg), &(*dsd)->length); |
| (*dsd)++; |
| } |
| |
| #endif |
