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Diffstat (limited to 'arch/s390/hypfs/hypfs.h')
-rw-r--r--arch/s390/hypfs/hypfs.h33
1 files changed, 31 insertions, 2 deletions
diff --git a/arch/s390/hypfs/hypfs.h b/arch/s390/hypfs/hypfs.h
index fa487d4..80c1526 100644
--- a/arch/s390/hypfs/hypfs.h
+++ b/arch/s390/hypfs/hypfs.h
@@ -12,6 +12,8 @@
#include <linux/fs.h>
#include <linux/types.h>
#include <linux/debugfs.h>
+#include <linux/workqueue.h>
+#include <linux/kref.h>
#define REG_FILE_MODE 0440
#define UPDATE_FILE_MODE 0220
@@ -38,6 +40,33 @@ extern int hypfs_vm_init(void);
extern void hypfs_vm_exit(void);
extern int hypfs_vm_create_files(struct super_block *sb, struct dentry *root);
-/* Directory for debugfs files */
-extern struct dentry *hypfs_dbfs_dir;
+/* debugfs interface */
+struct hypfs_dbfs_file;
+
+struct hypfs_dbfs_data {
+ void *buf;
+ void *buf_free_ptr;
+ size_t size;
+ struct hypfs_dbfs_file *dbfs_file;;
+ struct kref kref;
+};
+
+struct hypfs_dbfs_file {
+ const char *name;
+ int (*data_create)(void **data, void **data_free_ptr,
+ size_t *size);
+ void (*data_free)(const void *buf_free_ptr);
+
+ /* Private data for hypfs_dbfs.c */
+ struct hypfs_dbfs_data *data;
+ struct delayed_work data_free_work;
+ struct mutex lock;
+ struct dentry *dentry;
+};
+
+extern int hypfs_dbfs_init(void);
+extern void hypfs_dbfs_exit(void);
+extern int hypfs_dbfs_create_file(struct hypfs_dbfs_file *df);
+extern void hypfs_dbfs_remove_file(struct hypfs_dbfs_file *df);
+
#endif /* _HYPFS_H_ */
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