1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
 4 */
 5
 6#ifndef __IRQ_USER_H__
 7#define __IRQ_USER_H__
 8
 9#include <sysdep/ptrace.h>
 
10
11enum um_irq_type {
12	IRQ_READ,
13	IRQ_WRITE,
14	NUM_IRQ_TYPES,
 
 
 
 
 
 
15};
16
 
 
 
 
 
 
 
17struct siginfo;
18extern void sigio_handler(int sig, struct siginfo *unused_si, struct uml_pt_regs *regs);
19void sigio_run_timetravel_handlers(void);
20extern void free_irq_by_fd(int fd);
21extern void deactivate_fd(int fd, int irqnum);
22extern int deactivate_all_fds(void);
 
23
24#endif

 1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
 4 */
 5
 6#ifndef __IRQ_USER_H__
 7#define __IRQ_USER_H__
 8
 9#include <sysdep/ptrace.h>
10#include <stdbool.h>
11
12struct irq_fd {
13	struct irq_fd *next;
14	void *id;
15	int fd;
16	int type;
17	int irq;
18	int events;
19	bool active;
20	bool pending;
21	bool purge;
22};
23
24#define IRQ_READ  0
25#define IRQ_WRITE 1
26#define IRQ_NONE 2
27#define MAX_IRQ_TYPE (IRQ_NONE + 1)
28
29
30
31struct siginfo;
32extern void sigio_handler(int sig, struct siginfo *unused_si, struct uml_pt_regs *regs);
 
33extern void free_irq_by_fd(int fd);
34extern void deactivate_fd(int fd, int irqnum);
35extern int deactivate_all_fds(void);
36extern int activate_ipi(int fd, int pid);
37
38#endif