blob: 20788054b91bc136965d0eaa570255e833784b0c [file] [log] [blame]
#ifndef _QLA_DSD_H_
#define _QLA_DSD_H_
#include <asm/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