source: trunk/kernel/kern/interrupt.h @ 1

Last change on this file since 1 was 1, checked in by alain, 5 years ago

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1/*
2 * kern/interrupt.h - kernel IRQs reservation interface
3 *
4 * Copyright (c) 2008,2009,2010,2011,2012 Ghassan Almaless
5 * Copyright (c) 2011,2012 UPMC Sorbonne Universites
6 *
7 * This file is part of ALMOS-kernel.
8 *
9 * ALMOS-kernel is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; version 2.0 of the License.
12 *
13 * ALMOS-kernel is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16 * General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with ALMOS-kernel; if not, write to the Free Software Foundation,
20 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 */
22
23#ifndef _INTERRUPT_H_
24#define _INTERRUPT_H_
25
26#include <types.h>
27
28#define IRQ_DYN     0x01        /* Dynamic Allocation */
29#define IRQ_SHD     0x02        /* Shared IRQ */
30
31/* Struct used from device.h */
32struct irq_action_s;
33
34/* Struct used form thread.h */
35struct thread_s;
36
37/* IRQ Manager initialize */
38error_t irq_manager_init();
39
40/* IRQ Ressources Allocation */
41error_t irq_manager_alloc(uint_t irq, uint_t irqs_nr, uint_t flags);
42
43/* IRQ Ressources Liberation */
44error_t irq_manager_free(uint_t irq, uint_t irqs_nr);
45
46/* IRQ Handler Registeration */
47error_t irq_handler_register(struct irq_action_s *info, uint_t irq, uint_t flags);
48
49/* IRQ Handler Unregisteration */
50error_t irq_handler_unregister(uint_t irq);
51
52/* Kernel entry point for interrupt handling */
53void do_interrupt(struct thread_s *this, uint_t irq_num);
54
55#endif  /* _INTERRUPT_H_ */
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