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