9     unsigned char value;  in inb()  local
10     asm volatile("inb %w1, %0" : "=a" (value) : "Nd" ((unsigned short)port));  in inb()
11     return value;  in inb()
17     unsigned short value;  in inw()  local
18     asm volatile("inw %w1, %0" : "=a" (value) : "Nd" ((unsigned short)port));  in inw()
19     return value;  in inw()
25     unsigned int value;  in inl()  local
26     asm volatile("inl %w1, %0" : "=a" (value) : "Nd" ((unsigned short)port));  in inl()
27     return value;  in inl()
31 static inline void outb(uint8_t value, unsigned long port)  in outb()  argument
33     asm volatile("outb %b0, %w1" : : "a"(value), "Nd"((unsigned short)port));  in outb()
37 static inline void outw(uint16_t value, unsigned long port)  in outw()  argument
39     asm volatile("outw %w0, %w1" : : "a"(value), "Nd"((unsigned short)port));  in outw()
43 static inline void outl(uint32_t value, unsigned long port)  in outl()  argument
45     asm volatile("outl %0, %w1" : : "a"(value), "Nd"((unsigned short)port));  in outl()