diff options
Diffstat (limited to 'include/linux/kexec.h')
| -rw-r--r-- | include/linux/kexec.h | 52 |
1 files changed, 1 insertions, 51 deletions
diff --git a/include/linux/kexec.h b/include/linux/kexec.h index 37c5f7261142..d0b8458a703a 100644 --- a/include/linux/kexec.h +++ b/include/linux/kexec.h | |||
| @@ -1,57 +1,8 @@ | |||
| 1 | #ifndef LINUX_KEXEC_H | 1 | #ifndef LINUX_KEXEC_H |
| 2 | #define LINUX_KEXEC_H | 2 | #define LINUX_KEXEC_H |
| 3 | 3 | ||
| 4 | /* kexec system call - It loads the new kernel to boot into. | 4 | #include <uapi/linux/kexec.h> |
| 5 | * kexec does not sync, or unmount filesystems so if you need | ||
| 6 | * that to happen you need to do that yourself. | ||
| 7 | */ | ||
| 8 | |||
| 9 | #include <linux/types.h> | ||
| 10 | |||
| 11 | /* kexec flags for different usage scenarios */ | ||
| 12 | #define KEXEC_ON_CRASH 0x00000001 | ||
| 13 | #define KEXEC_PRESERVE_CONTEXT 0x00000002 | ||
| 14 | #define KEXEC_ARCH_MASK 0xffff0000 | ||
| 15 | |||
| 16 | /* These values match the ELF architecture values. | ||
| 17 | * Unless there is a good reason that should continue to be the case. | ||
| 18 | */ | ||
| 19 | #define KEXEC_ARCH_DEFAULT ( 0 << 16) | ||
| 20 | #define KEXEC_ARCH_386 ( 3 << 16) | ||
| 21 | #define KEXEC_ARCH_X86_64 (62 << 16) | ||
| 22 | #define KEXEC_ARCH_PPC (20 << 16) | ||
| 23 | #define KEXEC_ARCH_PPC64 (21 << 16) | ||
| 24 | #define KEXEC_ARCH_IA_64 (50 << 16) | ||
| 25 | #define KEXEC_ARCH_ARM (40 << 16) | ||
| 26 | #define KEXEC_ARCH_S390 (22 << 16) | ||
| 27 | #define KEXEC_ARCH_SH (42 << 16) | ||
| 28 | #define KEXEC_ARCH_MIPS_LE (10 << 16) | ||
| 29 | #define KEXEC_ARCH_MIPS ( 8 << 16) | ||
| 30 | |||
| 31 | /* The artificial cap on the number of segments passed to kexec_load. */ | ||
| 32 | #define KEXEC_SEGMENT_MAX 16 | ||
| 33 | |||
| 34 | #ifndef __KERNEL__ | ||
| 35 | /* | ||
| 36 | * This structure is used to hold the arguments that are used when | ||
| 37 | * loading kernel binaries. | ||
| 38 | */ | ||
| 39 | struct kexec_segment { | ||
| 40 | const void *buf; | ||
| 41 | size_t bufsz; | ||
| 42 | const void *mem; | ||
| 43 | size_t memsz; | ||
| 44 | }; | ||
| 45 | |||
| 46 | /* Load a new kernel image as described by the kexec_segment array | ||
| 47 | * consisting of passed number of segments at the entry-point address. | ||
| 48 | * The flags allow different useage types. | ||
| 49 | */ | ||
| 50 | extern int kexec_load(void *, size_t, struct kexec_segment *, | ||
| 51 | unsigned long int); | ||
| 52 | #endif /* __KERNEL__ */ | ||
| 53 | 5 | ||
| 54 | #ifdef __KERNEL__ | ||
| 55 | #ifdef CONFIG_KEXEC | 6 | #ifdef CONFIG_KEXEC |
| 56 | #include <linux/list.h> | 7 | #include <linux/list.h> |
| 57 | #include <linux/linkage.h> | 8 | #include <linux/linkage.h> |
| @@ -258,5 +209,4 @@ struct task_struct; | |||
| 258 | static inline void crash_kexec(struct pt_regs *regs) { } | 209 | static inline void crash_kexec(struct pt_regs *regs) { } |
| 259 | static inline int kexec_should_crash(struct task_struct *p) { return 0; } | 210 | static inline int kexec_should_crash(struct task_struct *p) { return 0; } |
| 260 | #endif /* CONFIG_KEXEC */ | 211 | #endif /* CONFIG_KEXEC */ |
| 261 | #endif /* __KERNEL__ */ | ||
| 262 | #endif /* LINUX_KEXEC_H */ | 212 | #endif /* LINUX_KEXEC_H */ |
