diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h
index e862e5d7..ae860a54 100644
--- a/arch/x86/include/asm/io.h
+++ b/arch/x86/include/asm/io.h
@@ -26,12 +26,33 @@ extern "C" {
 
 inline static unsigned char inportb(unsigned short _port) {
 	unsigned char rv;
-	__asm__ __volatile__("inb %1, %0":"=a"(rv):"dN"(_port));
-	 return rv;
+	asm volatile("inb %1, %0":"=a"(rv):"dN"(_port));
+	return rv;
 } 
 
+inline static unsigned short inportw(unsigned short _port) {
+	unsigned short rv;
+	asm volatile("inw %1, %0":"=a"(rv):"dN"(_port));
+	return rv;
+}
+
+inline static unsigned int inportl(unsigned short _port) {
+	unsigned int rv;
+	asm volatile("inl %1, %0":"=a"(rv):"dN"(_port));
+	return rv;
+}
+
 inline static void outportb(unsigned short _port, unsigned char _data) {
-	__asm__ __volatile__("outb %1, %0"::"dN"(_port), "a"(_data));
+	asm volatile("outb %1, %0"::"dN"(_port), "a"(_data));
+}
+
+inline static void outportw(unsigned short _port, unsigned short _data) {
+	asm volatile("outw %1, %0"::"dN"(_port), "a"(_data));
+}
+
+inline static void outportl(unsigned short _port, unsigned int _data)
+{
+	 asm volatile("outl %1, %0"::"dN"(_port), "a"(_data));
 }
 
 #ifdef __cplusplus