1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) 4*4882a593Smuzhiyun */ 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun #ifndef __IRQ_USER_H__ 7*4882a593Smuzhiyun #define __IRQ_USER_H__ 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #include <sysdep/ptrace.h> 10*4882a593Smuzhiyun #include <stdbool.h> 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun struct irq_fd { 13*4882a593Smuzhiyun struct irq_fd *next; 14*4882a593Smuzhiyun void *id; 15*4882a593Smuzhiyun int fd; 16*4882a593Smuzhiyun int type; 17*4882a593Smuzhiyun int irq; 18*4882a593Smuzhiyun int events; 19*4882a593Smuzhiyun bool active; 20*4882a593Smuzhiyun bool pending; 21*4882a593Smuzhiyun bool purge; 22*4882a593Smuzhiyun }; 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun #define IRQ_READ 0 25*4882a593Smuzhiyun #define IRQ_WRITE 1 26*4882a593Smuzhiyun #define IRQ_NONE 2 27*4882a593Smuzhiyun #define MAX_IRQ_TYPE (IRQ_NONE + 1) 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun struct siginfo; 32*4882a593Smuzhiyun extern void sigio_handler(int sig, struct siginfo *unused_si, struct uml_pt_regs *regs); 33*4882a593Smuzhiyun extern void free_irq_by_fd(int fd); 34*4882a593Smuzhiyun extern void deactivate_fd(int fd, int irqnum); 35*4882a593Smuzhiyun extern int deactivate_all_fds(void); 36*4882a593Smuzhiyun extern int activate_ipi(int fd, int pid); 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun #endif 39