projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 60e64d46 VG |
1 | #ifndef LINUX_CRASH_DUMP_H |
| 2 | #define LINUX_CRASH_DUMP_H | |
| 3 | ||
| 4 | #ifdef CONFIG_CRASH_DUMP | |
| 5 | #include <linux/kexec.h> | |
| 6 | #include <linux/smp_lock.h> | |
| 7 | #include <linux/device.h> | |
| 8 | #include <linux/proc_fs.h> | |
| 9 | ||
| 666bfddb | 10 | #define ELFCORE_ADDR_MAX (-1ULL) |
| 36ac2617 IM |
11 | |
| 12 | #ifdef CONFIG_PROC_VMCORE | |
| 2030eae5 | 13 | extern unsigned long long elfcorehdr_addr; |
| 36ac2617 IM |
14 | #else |
| 15 | static const unsigned long long elfcorehdr_addr = ELFCORE_ADDR_MAX; | |
| 16 | #endif | |
| 17 | ||
| 60e64d46 VG |
18 | extern ssize_t copy_oldmem_page(unsigned long, char *, size_t, |
| 19 | unsigned long, int); | |
| 4b6f5d20 | 20 | extern const struct file_operations proc_vmcore_operations; |
| 666bfddb VG |
21 | extern struct proc_dir_entry *proc_vmcore; |
| 22 | ||
| 79e03011 IC |
23 | /* Architecture code defines this if there are other possible ELF |
| 24 | * machine types, e.g. on bi-arch capable hardware. */ | |
| 25 | #ifndef vmcore_elf_check_arch_cross | |
| 26 | #define vmcore_elf_check_arch_cross(x) 0 | |
| 27 | #endif | |
| 28 | ||
| 29 | #define vmcore_elf_check_arch(x) (elf_check_arch(x) || vmcore_elf_check_arch_cross(x)) | |
| 30 | ||
| 95b68dec C |
31 | static inline int is_kdump_kernel(void) |
| 32 | { | |
| 33 | return (elfcorehdr_addr != ELFCORE_ADDR_MAX) ? 1 : 0; | |
| 34 | } | |
| 35 | #else /* !CONFIG_CRASH_DUMP */ | |
| 36 | static inline int is_kdump_kernel(void) { return 0; } | |
| 60e64d46 | 37 | #endif /* CONFIG_CRASH_DUMP */ |
| 95b68dec C |
38 | |
| 39 | extern unsigned long saved_max_pfn; | |
| 60e64d46 | 40 | #endif /* LINUX_CRASHDUMP_H */ |