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:
/
usr
/
src
/
linux-headers-6.8.0-36
/
arch
/
x86
/
include
/
asm
/ [
drwxr-xr-x
]
upload
mass deface
mass delete
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pc-conf-reg.h
/* SPDX-License-Identifier: GPL-2.0 */ /* * Support for the configuration register space at port I/O locations * 0x22 and 0x23 variously used by PC architectures, e.g. the MP Spec, * Cyrix CPUs, numerous chipsets. */ #ifndef _ASM_X86_PC_CONF_REG_H #define _ASM_X86_PC_CONF_REG_H #include <linux/io.h> #include <linux/spinlock.h> #include <linux/types.h> #define PC_CONF_INDEX 0x22 #define PC_CONF_DATA 0x23 #define PC_CONF_MPS_IMCR 0x70 extern raw_spinlock_t pc_conf_lock; static inline u8 pc_conf_get(u8 reg) { outb(reg, PC_CONF_INDEX); return inb(PC_CONF_DATA); } static inline void pc_conf_set(u8 reg, u8 data) { outb(reg, PC_CONF_INDEX); outb(data, PC_CONF_DATA); } #endif /* _ASM_X86_PC_CONF_REG_H */
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