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 */ |