#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 */ |