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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /arch/s390/include/asm/vdso.h | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'arch/s390/include/asm/vdso.h')
-rw-r--r-- | arch/s390/include/asm/vdso.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/arch/s390/include/asm/vdso.h b/arch/s390/include/asm/vdso.h new file mode 100644 index 00000000..c4a11cfa --- /dev/null +++ b/arch/s390/include/asm/vdso.h @@ -0,0 +1,51 @@ +#ifndef __S390_VDSO_H__ +#define __S390_VDSO_H__ + +#ifdef __KERNEL__ + +/* Default link addresses for the vDSOs */ +#define VDSO32_LBASE 0 +#define VDSO64_LBASE 0 + +#define VDSO_VERSION_STRING LINUX_2.6.29 + +#ifndef __ASSEMBLY__ + +/* + * Note about the vdso_data and vdso_per_cpu_data structures: + * + * NEVER USE THEM IN USERSPACE CODE DIRECTLY. The layout of the + * structure is supposed to be known only to the function in the vdso + * itself and may change without notice. + */ + +struct vdso_data { + __u64 tb_update_count; /* Timebase atomicity ctr 0x00 */ + __u64 xtime_tod_stamp; /* TOD clock for xtime 0x08 */ + __u64 xtime_clock_sec; /* Kernel time 0x10 */ + __u64 xtime_clock_nsec; /* 0x18 */ + __u64 wtom_clock_sec; /* Wall to monotonic clock 0x20 */ + __u64 wtom_clock_nsec; /* 0x28 */ + __u32 tz_minuteswest; /* Minutes west of Greenwich 0x30 */ + __u32 tz_dsttime; /* Type of dst correction 0x34 */ + __u32 ectg_available; + __u32 ntp_mult; /* NTP adjusted multiplier 0x3C */ +}; + +struct vdso_per_cpu_data { + __u64 ectg_timer_base; + __u64 ectg_user_time; +}; + +extern struct vdso_data *vdso_data; + +#ifdef CONFIG_64BIT +int vdso_alloc_per_cpu(struct _lowcore *lowcore); +void vdso_free_per_cpu(struct _lowcore *lowcore); +#endif + +#endif /* __ASSEMBLY__ */ + +#endif /* __KERNEL__ */ + +#endif /* __S390_VDSO_H__ */ |