1 #ifndef _QLA_DSD_H_ 2 #define _QLA_DSD_H_ 3 4 #include <asm/unaligned.h> 5 6 /* 32-bit data segment descriptor (8 bytes) */ 7 struct dsd32 { 8 __le32 address; 9 __le32 length; 10 }; 11 append_dsd32(struct dsd32 ** dsd,struct scatterlist * sg)12static inline void append_dsd32(struct dsd32 **dsd, struct scatterlist *sg) 13 { 14 put_unaligned_le32(sg_dma_address(sg), &(*dsd)->address); 15 put_unaligned_le32(sg_dma_len(sg), &(*dsd)->length); 16 (*dsd)++; 17 } 18 19 /* 64-bit data segment descriptor (12 bytes) */ 20 struct dsd64 { 21 __le64 address; 22 __le32 length; 23 } __packed; 24 append_dsd64(struct dsd64 ** dsd,struct scatterlist * sg)25static inline void append_dsd64(struct dsd64 **dsd, struct scatterlist *sg) 26 { 27 put_unaligned_le64(sg_dma_address(sg), &(*dsd)->address); 28 put_unaligned_le32(sg_dma_len(sg), &(*dsd)->length); 29 (*dsd)++; 30 } 31 32 #endif 33