35 lines
740 B
C
35 lines
740 B
C
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_X86_SHARED_IO_H
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#define _ASM_X86_SHARED_IO_H
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#include <linux/types.h>
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#define BUILDIO(bwl, bw, type) \
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static __always_inline void __out##bwl(type value, u16 port) \
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{ \
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asm volatile("out" #bwl " %" #bw "0, %w1" \
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: : "a"(value), "Nd"(port)); \
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} \
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\
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static __always_inline type __in##bwl(u16 port) \
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{ \
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type value; \
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asm volatile("in" #bwl " %w1, %" #bw "0" \
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: "=a"(value) : "Nd"(port)); \
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return value; \
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}
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BUILDIO(b, b, u8)
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BUILDIO(w, w, u16)
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BUILDIO(l, , u32)
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#undef BUILDIO
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#define inb __inb
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#define inw __inw
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#define inl __inl
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#define outb __outb
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#define outw __outw
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#define outl __outl
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#endif
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