diff options
Diffstat (limited to 'include/linux/bsg.h')
| -rw-r--r-- | include/linux/bsg.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/bsg.h b/include/linux/bsg.h index cf0303a6061..ecb4730d086 100644 --- a/include/linux/bsg.h +++ b/include/linux/bsg.h @@ -1,12 +1,22 @@ #ifndef BSG_H #define BSG_H +#include <linux/types.h> + #define BSG_PROTOCOL_SCSI 0 #define BSG_SUB_PROTOCOL_SCSI_CMD 0 #define BSG_SUB_PROTOCOL_SCSI_TMF 1 #define BSG_SUB_PROTOCOL_SCSI_TRANSPORT 2 +/* + * For flags member below + * sg.h sg_io_hdr also has bits defined for it's flags member. However + * none of these bits are implemented/used by bsg. The bits below are + * allocated to not conflict with sg.h ones anyway. + */ +#define BSG_FLAG_Q_AT_TAIL 0x10 /* default, == 0 at this bit, is Q_AT_HEAD */ + struct sg_io_v4 { __s32 guard; /* [i] 'Q' to differentiate from v3 */ __u32 protocol; /* [i] 0 -> SCSI , .... */ |