Simple VFS layer

kernel/fs/kvfs/kvfs.h

@@ -0,0 +1,28 @@
+#ifndef FS_KVFS_KVFS_H_
+#define FS_KVFS_KVFS_H_
+
+#include <stdbool.h>
+
+struct VfsMountPoint;
+
+#define KVFS_NODE_KEY_MAX 128
+#define KVFS_NODES_MAX 256
+#define KVFS_BUFFER_SIZE (1024 * 2)
+
+typedef struct {
+  bool taken;
+  uint8_t key_[KVFS_NODE_KEY_MAX];
+  uint8_t *buffer;
+  SpinLock spinlock;
+} KvfsNode;
+
+typedef struct {
+  KvfsNode nodes[KVFS_NODES_MAX];
+} Kvfs;
+
+int32_t kvfs_read(struct VfsMountPoint *vmp, const char *key, uint8_t *const buffer, size_t n);
+int32_t kvfs_write(struct VfsMountPoint *vmp, const char *key, const uint8_t *const buffer, size_t n);
+int32_t kvfs_remove(struct VfsMountPoint *vmp, const char *key);
+bool kvfs_check(void);
+
+#endif // FS_KVFS_KVFS_H_