svn_rev_235

beginning filesystem support

include/driver.h

@@ -10,7 +10,8 @@
 #define DEVICE_TYPE_ETHER       1
 #define DEVICE_TYPE_STDIO       2
 #define DEVICE_TYPE_DRAM	3
-#define MAX_DEVICE_TYPE         3
+#define DEVICE_TYPE_FS		3
+#define MAX_DEVICE_TYPE         4
 
 #include <param.h>
 
@@ -54,6 +55,7 @@ struct driver_d {
 	int	(*get) (struct device_d*, struct param_d *);
 	int	(*set) (struct device_d*, struct param_d *, value_t val);
 
+	void *driver_data;
         unsigned long type;
         void *type_data;
 };
@@ -68,6 +70,9 @@ void unregister_device(struct device_d *);
 struct device_d *device_from_spec_str(const char *str, char **endp);
 struct device_d *get_device_by_name(char *name);
 struct device_d *get_device_by_type(ulong type, struct device_d *last);
+struct device_d *get_device_by_id(char *id);
+
+struct driver_d *get_driver_by_name(char *name);
 
 ssize_t read(struct device_d *dev, void *buf, size_t count, ulong offset, ulong flags);
 ssize_t write(struct device_d *dev, void *buf, size_t count, ulong offset, ulong flags);

include/fs.h

@@ -0,0 +1,34 @@
+#ifndef __FS_H
+#define __FS_H
+
+#include <driver.h>
+
+#define FS_TYPE_CRAMFS 1
+
+struct partition;
+
+struct fs_driver_d {
+	ulong type;
+	char *name;
+	int (*ls) (struct device_d *dev, const char *filename);
+	int (*load) (char *dst, struct device_d *dev, const char *filename);
+	int (*probe) (struct device_d *dev);
+
+	struct driver_d drv;
+};
+
+struct fs_device_d {
+	ulong type;
+	char *name;
+	struct device_d *parent; /* the device we are associated with */
+	struct device_d dev; /* our own device */
+
+	struct fs_driver_d *driver;
+};
+
+int register_filesystem(struct device_d *dev, char *fsname);
+//int unregister_filesystem(struct device_d *dev);
+
+int register_fs_driver(struct fs_driver_d *new_fs_drv);
+
+#endif /* __FS_H */

include/partition.h

@@ -3,5 +3,16 @@
 
 struct device_d;
 
+struct partition {
+        int num;
+
+        unsigned long offset;
+
+        struct device_d *parent;
+        struct device_d device;
+
+        char name[16];
+};
+
 #endif /* __PARTITION_H */