new vfs impl pt. 1: implement open()

1 files changed, 23 insertions, 0 deletions

diff --git a/src/kernel/vfs/backend.h b/src/kernel/vfs/backend.h
new file mode 100644
index 0000000..6a8bee6
--- /dev/null
+++ b/src/kernel/vfs/backend.h
@@ -0,0 +1,23 @@
+#pragma once
+#include <shared/vfs.h>
+
+enum vfs_backend_type {
+	VFS_BACK_ROOT,
+};
+
+// describes something which can acts as an access function
+struct vfs_backend {
+	enum vfs_backend_type type;
+};
+
+// describes an in-progress vfs call
+struct vfs_op_request {
+	struct vfs_op op;
+	struct process *caller;
+	struct vfs_backend *backend;
+};
+
+
+// these can switch processes
+_Noreturn void vfs_backend_dispatch(struct vfs_backend *backend, struct vfs_op op);
+_Noreturn void vfs_backend_finish(struct vfs_op_request *, int ret);