CMD_HDR_NCQ_TAG_OFF
dw2 |= hdr_tag << CMD_HDR_NCQ_TAG_OFF;
#define CMD_HDR_NCQ_TAG_MSK (0x1f << CMD_HDR_NCQ_TAG_OFF)
dw2 |= hdr_tag << CMD_HDR_NCQ_TAG_OFF;
#define CMD_HDR_NCQ_TAG_MSK (0x1f << CMD_HDR_NCQ_TAG_OFF)