| #ifndef S390_SCHID_H |
| #define S390_SCHID_H |
| |
| struct subchannel_id { |
| __u32 reserved:13; |
| __u32 ssid:2; |
| __u32 one:1; |
| __u32 sch_no:16; |
| } __attribute__ ((packed,aligned(4))); |
| |
| |
| /* Helper function for sane state of pre-allocated subchannel_id. */ |
| static inline void |
| init_subchannel_id(struct subchannel_id *schid) |
| { |
| memset(schid, 0, sizeof(struct subchannel_id)); |
| schid->one = 1; |
| } |
| |
| static inline int |
| schid_equal(struct subchannel_id *schid1, struct subchannel_id *schid2) |
| { |
| return !memcmp(schid1, schid2, sizeof(struct subchannel_id)); |
| } |
| |
| #endif /* S390_SCHID_H */ |
