};
#endif
-struct kexec_sha_region {
- unsigned long start;
- unsigned long len;
-};
-
+#ifdef CONFIG_KEXEC_FILE
struct purgatory_info {
/* Pointer to elf header of read only purgatory */
Elf_Ehdr *ehdr;
unsigned long purgatory_load_addr;
};
+typedef int (kexec_probe_t)(const char *kernel_buf, unsigned long kernel_size);
+typedef void *(kexec_load_t)(struct kimage *image, char *kernel_buf,
+ unsigned long kernel_len, char *initrd,
+ unsigned long initrd_len, char *cmdline,
+ unsigned long cmdline_len);
+typedef int (kexec_cleanup_t)(void *loader_data);
+
+#ifdef CONFIG_KEXEC_VERIFY_SIG
+typedef int (kexec_verify_sig_t)(const char *kernel_buf,
+ unsigned long kernel_len);
+#endif
+
+struct kexec_file_ops {
+ kexec_probe_t *probe;
+ kexec_load_t *load;
+ kexec_cleanup_t *cleanup;
+#ifdef CONFIG_KEXEC_VERIFY_SIG
+ kexec_verify_sig_t *verify_sig;
+#endif
+};
+#endif
+
struct kimage {
kimage_entry_t head;
kimage_entry_t *entry;
struct kimage_arch arch;
#endif
+#ifdef CONFIG_KEXEC_FILE
/* Additional fields for file based kexec syscall */
void *kernel_buf;
unsigned long kernel_buf_len;
/* Information for loading purgatory */
struct purgatory_info purgatory_info;
-};
-
-/*
- * Keeps track of buffer parameters as provided by caller for requesting
- * memory placement of buffer.
- */
-struct kexec_buf {
- struct kimage *image;
- char *buffer;
- unsigned long bufsz;
- unsigned long mem;
- unsigned long memsz;
- unsigned long buf_align;
- unsigned long buf_min;
- unsigned long buf_max;
- bool top_down; /* allocate from top of memory hole */
-};
-
-typedef int (kexec_probe_t)(const char *kernel_buf, unsigned long kernel_size);
-typedef void *(kexec_load_t)(struct kimage *image, char *kernel_buf,
- unsigned long kernel_len, char *initrd,
- unsigned long initrd_len, char *cmdline,
- unsigned long cmdline_len);
-typedef int (kexec_cleanup_t)(void *loader_data);
-typedef int (kexec_verify_sig_t)(const char *kernel_buf,
- unsigned long kernel_len);
-
-struct kexec_file_ops {
- kexec_probe_t *probe;
- kexec_load_t *load;
- kexec_cleanup_t *cleanup;
- kexec_verify_sig_t *verify_sig;
+#endif
};
/* kexec interface functions */
extern struct mutex kexec_mutex;
#ifdef CONFIG_KEXEC_FILE
+struct kexec_sha_region {
+ unsigned long start;
+ unsigned long len;
+};
+
+/*
+ * Keeps track of buffer parameters as provided by caller for requesting
+ * memory placement of buffer.
+ */
+struct kexec_buf {
+ struct kimage *image;
+ char *buffer;
+ unsigned long bufsz;
+ unsigned long mem;
+ unsigned long memsz;
+ unsigned long buf_align;
+ unsigned long buf_min;
+ unsigned long buf_max;
+ bool top_down; /* allocate from top of memory hole */
+};
+
void kimage_file_post_load_cleanup(struct kimage *image);
#else /* CONFIG_KEXEC_FILE */
static inline void kimage_file_post_load_cleanup(struct kimage *image) { }