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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/os_info.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/os_info.h')
-rw-r--r-- | arch/s390/include/asm/os_info.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/arch/s390/include/asm/os_info.h b/arch/s390/include/asm/os_info.h new file mode 100644 index 00000000..d07518af --- /dev/null +++ b/arch/s390/include/asm/os_info.h @@ -0,0 +1,50 @@ +/* + * OS info memory interface + * + * Copyright IBM Corp. 2012 + * Author(s): Michael Holzheu <holzheu@linux.vnet.ibm.com> + */ +#ifndef _ASM_S390_OS_INFO_H +#define _ASM_S390_OS_INFO_H + +#define OS_INFO_VERSION_MAJOR 1 +#define OS_INFO_VERSION_MINOR 1 +#define OS_INFO_MAGIC 0x4f53494e464f535aULL /* OSINFOSZ */ + +#define OS_INFO_VMCOREINFO 0 +#define OS_INFO_REIPL_BLOCK 1 +#define OS_INFO_INIT_FN 2 + +struct os_info_entry { + u64 addr; + u64 size; + u32 csum; +} __packed; + +struct os_info { + u64 magic; + u32 csum; + u16 version_major; + u16 version_minor; + u64 crashkernel_addr; + u64 crashkernel_size; + struct os_info_entry entry[3]; + u8 reserved[4004]; +} __packed; + +void os_info_init(void); +void os_info_entry_add(int nr, void *ptr, u64 len); +void os_info_crashkernel_add(unsigned long base, unsigned long size); +u32 os_info_csum(struct os_info *os_info); + +#ifdef CONFIG_CRASH_DUMP +void *os_info_old_entry(int nr, unsigned long *size); +int copy_from_oldmem(void *dest, void *src, size_t count); +#else +static inline void *os_info_old_entry(int nr, unsigned long *size) +{ + return NULL; +} +#endif + +#endif /* _ASM_S390_OS_INFO_H */ |