blob: 8009d781c2f97ea7f48178338387712d53a91957 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_X86_SHARED_IO_H
#define _ASM_X86_SHARED_IO_H
#include <linux/types.h>
#define BUILDIO(bwl, bw, type) \
static __always_inline void __out##bwl(type value, u16 port) \
{ \
asm volatile("out" #bwl " %" #bw "0, %w1" \
: : "a"(value), "Nd"(port)); \
} \
\
static __always_inline type __in##bwl(u16 port) \
{ \
type value; \
asm volatile("in" #bwl " %w1, %" #bw "0" \
: "=a"(value) : "Nd"(port)); \
return value; \
}
BUILDIO(b, b, u8)
BUILDIO(w, w, u16)
BUILDIO(l, , u32)
#undef BUILDIO
#define inb __inb
#define inw __inw
#define inl __inl
#define outb __outb
#define outw __outw
#define outl __outl
#endif
|