xref: /openbmc/linux/arch/s390/include/asm/schid.h (revision d9fd5a71)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef ASM_SCHID_H
3 #define ASM_SCHID_H
4 
5 #include <linux/string.h>
6 #include <uapi/asm/schid.h>
7 
8 /* Helper function for sane state of pre-allocated subchannel_id. */
9 static inline void
10 init_subchannel_id(struct subchannel_id *schid)
11 {
12 	memset(schid, 0, sizeof(struct subchannel_id));
13 	schid->one = 1;
14 }
15 
16 static inline int
17 schid_equal(struct subchannel_id *schid1, struct subchannel_id *schid2)
18 {
19 	return !memcmp(schid1, schid2, sizeof(struct subchannel_id));
20 }
21 
22 #endif /* ASM_SCHID_H */
23