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