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- /*
- * Copyright (C) 2001, 2002 Jeff Dike (jdike@karaya.com)
- * Licensed under the GPL
- */
- #ifndef __IRQ_USER_H__
- #define __IRQ_USER_H__
- struct irq_fd {
- struct irq_fd *next;
- void *id;
- int fd;
- int type;
- int irq;
- int pid;
- int events;
- int current_events;
- };
- enum { IRQ_READ, IRQ_WRITE };
- extern void sigio_handler(int sig, union uml_pt_regs *regs);
- extern int activate_fd(int irq, int fd, int type, void *dev_id);
- extern void free_irq_by_irq_and_dev(unsigned int irq, void *dev_id);
- extern void free_irq_by_fd(int fd);
- extern void reactivate_fd(int fd, int irqnum);
- extern void deactivate_fd(int fd, int irqnum);
- extern int deactivate_all_fds(void);
- extern void forward_interrupts(int pid);
- extern int activate_ipi(int fd, int pid);
- extern unsigned long irq_lock(void);
- extern void irq_unlock(unsigned long flags);
- #endif
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