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/* 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
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