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