9807f75955
Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
40 lines
806 B
C
40 lines
806 B
C
/*
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* Copyright IBM Corp. 2007
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* Author(s): Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
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*/
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#ifndef _ASM_S390_CHPID_H
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#define _ASM_S390_CHPID_H
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#include <uapi/asm/chpid.h>
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#include <asm/cio.h>
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static inline void chp_id_init(struct chp_id *chpid)
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{
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memset(chpid, 0, sizeof(struct chp_id));
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}
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static inline int chp_id_is_equal(struct chp_id *a, struct chp_id *b)
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{
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return (a->id == b->id) && (a->cssid == b->cssid);
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}
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static inline void chp_id_next(struct chp_id *chpid)
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{
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if (chpid->id < __MAX_CHPID)
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chpid->id++;
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else {
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chpid->id = 0;
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chpid->cssid++;
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}
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}
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static inline int chp_id_is_valid(struct chp_id *chpid)
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{
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return (chpid->cssid <= __MAX_CSSID);
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}
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#define chp_id_for_each(c) \
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for (chp_id_init(c); chp_id_is_valid(c); chp_id_next(c))
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#endif /* _ASM_S390_CHPID_H */
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