diff options
Diffstat (limited to 'arch/s390/include/asm/schid.h')
| -rw-r--r-- | arch/s390/include/asm/schid.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/s390/include/asm/schid.h b/arch/s390/include/asm/schid.h new file mode 100644 index 0000000000..3ac405a67f --- /dev/null +++ b/arch/s390/include/asm/schid.h @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef ASM_SCHID_H +#define ASM_SCHID_H + +#include <linux/string.h> +#include <uapi/asm/schid.h> + +/* 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 /* ASM_SCHID_H */ |