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Diffstat (limited to 'kernel/kexec_handover_internal.h')
-rw-r--r--kernel/kexec_handover_internal.h35
1 files changed, 35 insertions, 0 deletions
diff --git a/kernel/kexec_handover_internal.h b/kernel/kexec_handover_internal.h
index 3c3c7148ceed..217b8b25a542 100644
--- a/kernel/kexec_handover_internal.h
+++ b/kernel/kexec_handover_internal.h
@@ -3,11 +3,46 @@
#define LINUX_KEXEC_HANDOVER_INTERNAL_H
#include <linux/kexec_handover.h>
+#include <linux/list.h>
#include <linux/types.h>
+#ifdef CONFIG_KEXEC_HANDOVER_DEBUGFS
+#include <linux/debugfs.h>
+
+struct kho_debugfs {
+ struct dentry *dir;
+ struct dentry *sub_fdt_dir;
+ struct list_head fdt_list;
+};
+
+#else
+struct kho_debugfs {};
+#endif
+
extern struct kho_scratch *kho_scratch;
extern unsigned int kho_scratch_cnt;
+bool kho_finalized(void);
+int kho_finalize(void);
+int kho_abort(void);
+
+#ifdef CONFIG_KEXEC_HANDOVER_DEBUGFS
+int kho_debugfs_init(void);
+void kho_in_debugfs_init(struct kho_debugfs *dbg, const void *fdt);
+int kho_out_debugfs_init(struct kho_debugfs *dbg);
+int kho_debugfs_fdt_add(struct kho_debugfs *dbg, const char *name,
+ const void *fdt, bool root);
+void kho_debugfs_cleanup(struct kho_debugfs *dbg);
+#else
+static inline int kho_debugfs_init(void) { return 0; }
+static inline void kho_in_debugfs_init(struct kho_debugfs *dbg,
+ const void *fdt) { }
+static inline int kho_out_debugfs_init(struct kho_debugfs *dbg) { return 0; }
+static inline int kho_debugfs_fdt_add(struct kho_debugfs *dbg, const char *name,
+ const void *fdt, bool root) { return 0; }
+static inline void kho_debugfs_cleanup(struct kho_debugfs *dbg) {}
+#endif /* CONFIG_KEXEC_HANDOVER_DEBUGFS */
+
#ifdef CONFIG_KEXEC_HANDOVER_DEBUG
bool kho_scratch_overlap(phys_addr_t phys, size_t size);
#else