linux_dsm_epyc7002/arch/s390/include/asm/chpid.h
Martin Schwidefsky ab08ff34b4 UAPI Disintegration 2012-10-09
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Merge tag 'disintegrate-s390-20121009' of
git://git.infradead.org/users/dhowells/linux-headers

Pull UAPI patchset from David Howells:
 "Can you merge the following branch into the s390 tree please.
  This is to complete part of the UAPI disintegration for which the
  preparatory patches were pulled recently."

Conflicts:
	arch/s390/include/asm/chpid.h
2012-10-09 14:18:10 +02:00

40 lines
812 B
C

/*
* Copyright IBM Corp. 2007, 2012
* Author(s): Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
*/
#ifndef _ASM_S390_CHPID_H
#define _ASM_S390_CHPID_H
#include <uapi/asm/chpid.h>
#include <asm/cio.h>
static inline void chp_id_init(struct chp_id *chpid)
{
memset(chpid, 0, sizeof(struct chp_id));
}
static inline int chp_id_is_equal(struct chp_id *a, struct chp_id *b)
{
return (a->id == b->id) && (a->cssid == b->cssid);
}
static inline void chp_id_next(struct chp_id *chpid)
{
if (chpid->id < __MAX_CHPID)
chpid->id++;
else {
chpid->id = 0;
chpid->cssid++;
}
}
static inline int chp_id_is_valid(struct chp_id *chpid)
{
return (chpid->cssid <= __MAX_CSSID);
}
#define chp_id_for_each(c) \
for (chp_id_init(c); chp_id_is_valid(c); chp_id_next(c))
#endif /* _ASM_S390_CHPID_H */