genode/os/include/dde_kit/interrupt.h
2013-01-10 21:44:47 +01:00

61 lines
1.6 KiB
C

/*
* \brief Hardware-interrupt subsystem
* \author Christian Helmuth
* \date 2008-08-15
*
* The DDE kit supports registration of one handler function per interrupt. If
* any specific DDE implementation needs to register more than one handler,
* multiplexing has to be implemented there!
*/
/*
* Copyright (C) 2008-2013 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
*/
#ifndef _INCLUDE__DDE_KIT__INTERRUPT_H_
#define _INCLUDE__DDE_KIT__INTERRUPT_H_
/**
* Attach to hardware interrupt
*
* \param irq IRQ number to attach to
* \param shared set to 1 if interrupt sharing is supported; set to 0
* otherwise
* \param thread_init called just after DDE kit internal init and before any
* other function
* \param handler IRQ handler for interrupt irq
* \param priv private token (argument for thread_init and handler)
*
* \return attachment state
* \retval 0 success
* \retval !0 error
*/
int dde_kit_interrupt_attach(int irq, int shared, void(*thread_init)(void *),
void(*handler)(void *), void *priv);
/**
* Detach from a previously attached interrupt.
*
* \param irq IRQ number
*/
void dde_kit_interrupt_detach(int irq);
/**
* Block interrupt.
*
* \param irq IRQ number to block
*/
void dde_kit_interrupt_disable(int irq);
/**
* Enable interrupt.
*
* \param irq IRQ number to block
*/
void dde_kit_interrupt_enable(int irq);
#endif /* _INCLUDE__DDE_KIT__INTERRUPT_H_ */