xref: /openbmc/linux/kernel/kexec_internal.h (revision 3e26a691)
1 #ifndef LINUX_KEXEC_INTERNAL_H
2 #define LINUX_KEXEC_INTERNAL_H
3 
4 #include <linux/kexec.h>
5 
6 struct kimage *do_kimage_alloc_init(void);
7 int sanity_check_segment_list(struct kimage *image);
8 void kimage_free_page_list(struct list_head *list);
9 void kimage_free(struct kimage *image);
10 int kimage_load_segment(struct kimage *image, struct kexec_segment *segment);
11 void kimage_terminate(struct kimage *image);
12 int kimage_is_destination_range(struct kimage *image,
13 				unsigned long start, unsigned long end);
14 
15 extern struct mutex kexec_mutex;
16 
17 #ifdef CONFIG_KEXEC_FILE
18 struct kexec_sha_region {
19 	unsigned long start;
20 	unsigned long len;
21 };
22 
23 /*
24  * Keeps track of buffer parameters as provided by caller for requesting
25  * memory placement of buffer.
26  */
27 struct kexec_buf {
28 	struct kimage *image;
29 	char *buffer;
30 	unsigned long bufsz;
31 	unsigned long mem;
32 	unsigned long memsz;
33 	unsigned long buf_align;
34 	unsigned long buf_min;
35 	unsigned long buf_max;
36 	bool top_down;		/* allocate from top of memory hole */
37 };
38 
39 void kimage_file_post_load_cleanup(struct kimage *image);
40 #else /* CONFIG_KEXEC_FILE */
41 static inline void kimage_file_post_load_cleanup(struct kimage *image) { }
42 #endif /* CONFIG_KEXEC_FILE */
43 #endif /* LINUX_KEXEC_INTERNAL_H */
44