/*-
 *   BSD LICENSE
 *
 *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
 *   All rights reserved.
 *
 *   Redistribution and use in source and binary forms, with or without
 *   modification, are permitted provided that the following conditions
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 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in
 *       the documentation and/or other materials provided with the
 *       distribution.
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 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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 *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 */

#ifndef _RTE_INTERRUPTS_H_
#error "don't include this file directly, please include generic <rte_interrupts.h>"
#endif

#ifndef _RTE_LINUXAPP_INTERRUPTS_H_
#define _RTE_LINUXAPP_INTERRUPTS_H_

enum rte_intr_handle_type {
	RTE_INTR_HANDLE_UNKNOWN = 0,
	RTE_INTR_HANDLE_UIO,      /**< uio device handle */
	RTE_INTR_HANDLE_VFIO_LEGACY,  /**< vfio device handle (legacy) */
	RTE_INTR_HANDLE_VFIO_MSI,     /**< vfio device handle (MSI) */
	RTE_INTR_HANDLE_VFIO_MSIX,    /**< vfio device handle (MSIX) */
	RTE_INTR_HANDLE_ALARM,    /**< alarm handle */
	RTE_INTR_HANDLE_MAX
};

/** Handle for interrupts. */
struct rte_intr_handle {
	union {
		int vfio_dev_fd;  /**< VFIO device file descriptor */
		int uio_cfg_fd;  /**< UIO config file descriptor
					for uio_pci_generic */
	};
	int fd;	 /**< interrupt event file descriptor */
	enum rte_intr_handle_type type;  /**< handle type */
};

#endif /* _RTE_LINUXAPP_INTERRUPTS_H_ */
