diff options
| author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2008-08-01 22:42:05 +0400 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2008-08-01 22:42:05 +0400 |
| commit | c6557e7f2b6ae76a44653d38f835174074c42e05 (patch) | |
| tree | da619a76b309cb1cd259d082af768a83cfcd6d52 /arch/s390/include/asm/schid.h | |
| parent | ab4227cb2d936886069ef1056c02500d05beb15d (diff) | |
| download | linux-c6557e7f2b6ae76a44653d38f835174074c42e05.tar.xz | |
[S390] move include/asm-s390 to arch/s390/include/asm
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/schid.h')
| -rw-r--r-- | arch/s390/include/asm/schid.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/s390/include/asm/schid.h b/arch/s390/include/asm/schid.h new file mode 100644 index 000000000000..825503cf3dc2 --- /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 <linux/string.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 /* __KERNEL__ */ + +#endif /* ASM_SCHID_H */ |