2 * drivers/s390/cio/chpid.h
4 * Copyright IBM Corp. 2007
5 * Author(s): Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
9 #define S390_CHP_ID_H S390_CHP_ID_H
11 #include <linux/string.h>
12 #include <asm/types.h>
20 } __attribute__((packed));
22 static inline void chp_id_init(struct chp_id *chpid)
24 memset(chpid, 0, sizeof(struct chp_id));
27 static inline int chp_id_is_equal(struct chp_id *a, struct chp_id *b)
29 return (a->id == b->id) && (a->cssid == b->cssid);
32 static inline void chp_id_next(struct chp_id *chpid)
34 if (chpid->id < __MAX_CHPID)
42 static inline int chp_id_is_valid(struct chp_id *chpid)
44 return (chpid->cssid <= __MAX_CSSID);
48 #define chp_id_for_each(c) \
49 for (chp_id_init(c); chp_id_is_valid(c); chp_id_next(c))
51 #endif /* S390_CHP_ID_H */