DIP
#define DIP(field) dp2.field
#define DIP(field) dp1.field
#define DIP(field) fs->fs_magic == FS_UFS1_MAGIC ? dp1.field : dp2.field
#define DIP 0x01 /* sta: host/script interrupt */
#define DIP 0x01 /* sta: host/script interrupt */
#undef DIP
#define DIP(dp, field) \
#define DIP(dp, field) (dp)->ffs1_din.di_##field
#undef DIP
#define DIP(ip, field) \
#define DIP(ip, field) ((ip)->i_ffs1_##field)