From f2b4acb2fe6a366288b19843e0d2678b8590bdf4 Mon Sep 17 00:00:00 2001
From: Marvin Borner
Date: Sun, 25 Apr 2021 13:43:14 +0200
Subject: Chu chuu, using the bus for everything now!

Well, I know: bus != train. But I like trains. So I don't care.

Go away!
---
 kernel/inc/io.h | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

(limited to 'kernel/inc/io.h')

diff --git a/kernel/inc/io.h b/kernel/inc/io.h
index e0b817b..ed7920e 100644
--- a/kernel/inc/io.h
+++ b/kernel/inc/io.h
@@ -1,7 +1,7 @@
 // MIT License, Copyright (c) 2021 Marvin Borner
 
-#ifndef DEV_H
-#define DEV_H
+#ifndef IO_H
+#define IO_H
 
 #include <boot.h>
 #include <def.h>
@@ -11,7 +11,7 @@
 
 struct io_dev {
 	res (*read)(void *buf, u32 offset, u32 count) NONNULL;
-	res (*write)(void *buf, u32 offset, u32 count) NONNULL;
+	res (*write)(const void *buf, u32 offset, u32 count) NONNULL;
 	res (*control)(u32 request, void *arg1, void *arg2, void *arg3);
 	res (*ready)(void);
 };
@@ -21,12 +21,13 @@ void io_add(enum io_type io, struct io_dev *dev) NONNULL;
 
 // No NONNULL on syscalls
 res io_control(enum io_type io, u32 request, void *arg1, void *arg2, void *arg3);
-res io_write(enum io_type io, void *buf, u32 offset, u32 count);
+res io_write(enum io_type io, const void *buf, u32 offset, u32 count);
 res io_read(enum io_type io, void *buf, u32 offset, u32 count);
 res io_poll(u32 *devs);
 res io_ready(enum io_type io);
 
 void io_block(enum io_type io, struct proc *proc) NONNULL;
 void io_unblock(enum io_type io);
+void io_unblock_pid(u32 pid);
 
 #endif
-- 
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