xref: /OK3568_Linux_fs/kernel/arch/s390/include/asm/schid.h (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef ASM_SCHID_H
3*4882a593Smuzhiyun #define ASM_SCHID_H
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun #include <linux/string.h>
6*4882a593Smuzhiyun #include <uapi/asm/schid.h>
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun /* Helper function for sane state of pre-allocated subchannel_id. */
9*4882a593Smuzhiyun static inline void
init_subchannel_id(struct subchannel_id * schid)10*4882a593Smuzhiyun init_subchannel_id(struct subchannel_id *schid)
11*4882a593Smuzhiyun {
12*4882a593Smuzhiyun 	memset(schid, 0, sizeof(struct subchannel_id));
13*4882a593Smuzhiyun 	schid->one = 1;
14*4882a593Smuzhiyun }
15*4882a593Smuzhiyun 
16*4882a593Smuzhiyun static inline int
schid_equal(struct subchannel_id * schid1,struct subchannel_id * schid2)17*4882a593Smuzhiyun schid_equal(struct subchannel_id *schid1, struct subchannel_id *schid2)
18*4882a593Smuzhiyun {
19*4882a593Smuzhiyun 	return !memcmp(schid1, schid2, sizeof(struct subchannel_id));
20*4882a593Smuzhiyun }
21*4882a593Smuzhiyun 
22*4882a593Smuzhiyun #endif /* ASM_SCHID_H */
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