blob: 02c6ef8f7667725b2730e049a2a51d78caec650e [file] [log] [blame]
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_X86_IOBITMAP_H
#define _ASM_X86_IOBITMAP_H
#include <linux/refcount.h>
#include <asm/processor.h>
struct io_bitmap {
u64 sequence;
refcount_t refcnt;
/* The maximum number of bytes to copy so all zero bits are covered */
unsigned int max;
unsigned long bitmap[IO_BITMAP_LONGS];
struct task_struct;
void io_bitmap_share(struct task_struct *tsk);
void io_bitmap_exit(void);
void tss_update_io_bitmap(void);
static inline void io_bitmap_share(struct task_struct *tsk) { }
static inline void io_bitmap_exit(void) { }
static inline void tss_update_io_bitmap(void) { }