From c6557e7f2b6ae76a44653d38f835174074c42e05 Mon Sep 17 00:00:00 2001 From: Martin Schwidefsky Date: Fri, 1 Aug 2008 20:42:05 +0200 Subject: [S390] move include/asm-s390 to arch/s390/include/asm Signed-off-by: Martin Schwidefsky --- arch/s390/include/asm/schid.h | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 arch/s390/include/asm/schid.h (limited to 'arch/s390/include/asm/schid.h') diff --git a/arch/s390/include/asm/schid.h b/arch/s390/include/asm/schid.h new file mode 100644 index 00000000000..825503cf3dc --- /dev/null +++ b/arch/s390/include/asm/schid.h @@ -0,0 +1,32 @@ +#ifndef ASM_SCHID_H +#define ASM_SCHID_H + +struct subchannel_id { + __u32 cssid : 8; + __u32 : 4; + __u32 m : 1; + __u32 ssid : 2; + __u32 one : 1; + __u32 sch_no : 16; +} __attribute__ ((packed, aligned(4))); + +#ifdef __KERNEL__ +#include + +/* 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 /* __KERNEL__ */ + +#endif /* ASM_SCHID_H */ -- cgit v1.2.3