xref: /linux/arch/s390/include/asm/schid.h (revision f3539c12d8196ce0a1993364d30b3a18908470d1)
1 #ifndef ASM_SCHID_H
2 #define ASM_SCHID_H
3 
4 #include <linux/string.h>
5 #include <uapi/asm/schid.h>
6 
7 /* Helper function for sane state of pre-allocated subchannel_id. */
8 static inline void
9 init_subchannel_id(struct subchannel_id *schid)
10 {
11 	memset(schid, 0, sizeof(struct subchannel_id));
12 	schid->one = 1;
13 }
14 
15 static inline int
16 schid_equal(struct subchannel_id *schid1, struct subchannel_id *schid2)
17 {
18 	return !memcmp(schid1, schid2, sizeof(struct subchannel_id));
19 }
20 
21 #endif /* ASM_SCHID_H */
22