Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/spi-2.6

[safe/jmp/linux-2.6] / include / linux / kexec.h

diff --git a/include/linux/kexec.h b/include/linux/kexec.h
index e3fc35f..94abc07 100644 (file)
--- a/include/linux/kexec.h
+++ b/include/linux/kexec.h
@@ -41,7 +41,7 @@ typedef unsigned long kimage_entry_t;
 #define IND_DONE         0x4
 #define IND_SOURCE       0x8
 
-#define KEXEC_SEGMENT_MAX 8
+#define KEXEC_SEGMENT_MAX 16
 struct kexec_segment {
        void __user *buf;
        size_t bufsz;
@@ -91,15 +91,19 @@ extern NORET_TYPE void machine_kexec(struct kimage *image) ATTRIB_NORET;
 extern int machine_kexec_prepare(struct kimage *image);
 extern void machine_kexec_cleanup(struct kimage *image);
 extern asmlinkage long sys_kexec_load(unsigned long entry,
-       unsigned long nr_segments, struct kexec_segment __user *segments,
-       unsigned long flags);
+                                       unsigned long nr_segments,
+                                       struct kexec_segment __user *segments,
+                                       unsigned long flags);
 #ifdef CONFIG_COMPAT
 extern asmlinkage long compat_sys_kexec_load(unsigned long entry,
-       unsigned long nr_segments, struct compat_kexec_segment __user *segments,
-       unsigned long flags);
+                               unsigned long nr_segments,
+                               struct compat_kexec_segment __user *segments,
+                               unsigned long flags);
 #endif
-extern struct page *kimage_alloc_control_pages(struct kimage *image, unsigned int order);
-extern void crash_kexec(void);
+extern struct page *kimage_alloc_control_pages(struct kimage *image,
+                                               unsigned int order);
+extern void crash_kexec(struct pt_regs *);
+int kexec_should_crash(struct task_struct *);
 extern struct kimage *kexec_image;
 
 #define KEXEC_ON_CRASH  0x00000001
@@ -114,14 +118,20 @@ extern struct kimage *kexec_image;
 #define KEXEC_ARCH_PPC     (20 << 16)
 #define KEXEC_ARCH_PPC64   (21 << 16)
 #define KEXEC_ARCH_IA_64   (50 << 16)
+#define KEXEC_ARCH_S390    (22 << 16)
 
 #define KEXEC_FLAGS    (KEXEC_ON_CRASH)  /* List of defined/legal kexec flags */
 
 /* Location of a reserved region to hold the crash kernel.
  */
 extern struct resource crashk_res;
+typedef u32 note_buf_t[MAX_NOTE_BYTES/4];
+extern note_buf_t *crash_notes;
 
 #else /* !CONFIG_KEXEC */
-static inline void crash_kexec(void) { }
+struct pt_regs;
+struct task_struct;
+static inline void crash_kexec(struct pt_regs *regs) { }
+static inline int kexec_should_crash(struct task_struct *p) { return 0; }
 #endif /* CONFIG_KEXEC */
 #endif /* LINUX_KEXEC_H */