fat_io_lib finally works, implement virtual partition devices, manage devices via string keys

kernel/device/device.h

@@ -1,14 +1,16 @@
 #ifndef _KERNEL_DEVICE_DEVICE_H
 #define _KERNEL_DEVICE_DEVICE_H
 
+#include <libk/hash.h>
 #include <libk/list.h>
-#include <libk/rbtree.h>
 #include <libk/std.h>
 #include <proc/proc.h>
 #include <proc/reschedule.h>
 #include <sync/spin_lock.h>
 #include <sys/smp.h>
 
+#define DEVICES_MAX 1024
+
 #define device_op1(d, op, proc, rctx, a1, a2, a3, a4, ...)                                         \
   (d)->ops[(op)]((d), (proc), (rctx), (void*)(a1), (void*)(a2), (void*)(a3), (void*)(a4))
 
@@ -24,19 +26,20 @@ typedef bool (*device_init_func_t) (struct device* device, void* arg);
 typedef void (*device_fini_func_t) (struct device* device);
 
 struct device {
-  int id;
+  char key[0x100];
   device_op_func_t ops[32];
   spin_lock_t lock;
-  struct rb_node_link device_tree_link;
+  struct hash_node_link device_table_link;
   device_init_func_t init;
   device_fini_func_t fini;
   void* udata;
 };
 
-struct device* device_create (int id, device_op_func_t* ops, size_t ops_len,
+struct device* device_create (const char* key, device_op_func_t* ops, size_t ops_len,
                               device_init_func_t init, device_fini_func_t fini, void* arg);
-struct device* device_find (int id);
-void device_delete (struct device* device);
+
+struct device* device_find (const char* key);
+
 void devices_init (void);
 
 #endif // _KERNEL_DEVICE_DEVICE_H