| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 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 | struct 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 | |
| 31 | struct siginfo; |
| 32 | extern void sigio_handler(int sig, struct siginfo *unused_si, struct uml_pt_regs *regs); |
| 33 | extern void free_irq_by_fd(int fd); |
| 34 | extern void deactivate_fd(int fd, int irqnum); |
| 35 | extern int deactivate_all_fds(void); |
| 36 | extern int activate_ipi(int fd, int pid); |
| 37 | |
| 38 | #endif |