diff options
Diffstat (limited to 'arch/um/include/shared/irq_user.h')
-rw-r--r-- | arch/um/include/shared/irq_user.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/um/include/shared/irq_user.h b/arch/um/include/shared/irq_user.h new file mode 100644 index 000000000..107751dce --- /dev/null +++ b/arch/um/include/shared/irq_user.h @@ -0,0 +1,38 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) + */ + +#ifndef __IRQ_USER_H__ +#define __IRQ_USER_H__ + +#include <sysdep/ptrace.h> +#include <stdbool.h> + +struct irq_fd { + struct irq_fd *next; + void *id; + int fd; + int type; + int irq; + int events; + bool active; + bool pending; + bool purge; +}; + +#define IRQ_READ 0 +#define IRQ_WRITE 1 +#define IRQ_NONE 2 +#define MAX_IRQ_TYPE (IRQ_NONE + 1) + + + +struct siginfo; +extern void sigio_handler(int sig, struct siginfo *unused_si, struct uml_pt_regs *regs); +extern void free_irq_by_fd(int fd); +extern void deactivate_fd(int fd, int irqnum); +extern int deactivate_all_fds(void); +extern int activate_ipi(int fd, int pid); + +#endif |