root vfs: implement writing to /tty

1 files changed, 9 insertions, 0 deletions

diff --git a/src/shared/vfs.h b/src/shared/vfs.h
index 1d4812d..d88c424 100644
--- a/src/shared/vfs.h
+++ b/src/shared/vfs.h
@@ -5,8 +5,12 @@
 
 enum vfs_op_types {
 	VFSOP_OPEN,
+	VFSOP_WRITE,
 };
 
+/* currently, this struct is fully created in kernelspace
+ * i might add a syscall which allows a process to just pass it raw, with some
+ * validation - so keep that in mind */
 struct vfs_op {
 	enum vfs_op_types type;
 	union {
@@ -14,5 +18,10 @@ struct vfs_op {
 			const char *path;
 			int path_len;
 		} open;
+		struct {
+			user_ptr buf;
+			int buf_len;
+			int id; // filled in by the kernel
+		} rw;
 	};
 };