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 12 enum um_irq_type { 13 IRQ_READ, 14 IRQ_WRITE, 15 NUM_IRQ_TYPES, 16 }; 17 18 struct siginfo; 19 extern void sigio_handler(int sig, struct siginfo *unused_si, struct uml_pt_regs *regs); 20 extern void free_irq_by_fd(int fd); 21 extern void deactivate_fd(int fd, int irqnum); 22 extern int deactivate_all_fds(void); 23 extern int activate_ipi(int fd, int pid); 24 25 #endif 26