numam-dpdk/examples/vhost_xen/main.h

/*-
 *   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
 *   are met:
 *
 *     * 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.
 *     * Neither the name of Intel Corporation nor the names of its
 *       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
 *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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 *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _MAIN_H_
#define _MAIN_H_

//#define DEBUG

#ifdef DEBUG
#define LOG_LEVEL RTE_LOG_DEBUG
#define LOG_DEBUG(log_type, fmt, args...) \
	RTE_LOG(DEBUG, log_type, fmt, ##args)
#else
#define LOG_LEVEL RTE_LOG_INFO
#define LOG_DEBUG(log_type, fmt, args...) do{} while(0)
#endif

/* Macros for printing using RTE_LOG */
#define RTE_LOGTYPE_VHOST_CONFIG RTE_LOGTYPE_USER1
#define RTE_LOGTYPE_VHOST_DATA   RTE_LOGTYPE_USER2
#define RTE_LOGTYPE_VHOST_PORT   RTE_LOGTYPE_USER3

/*
 * Device linked list structure for data path.
 */
struct virtio_net_data_ll
{
	struct virtio_net          *dev;   /* Pointer to device created by configuration core. */
	struct virtio_net_data_ll  *next;  /* Pointer to next device in linked list. */
};

/*
 * Structure containing data core specific information.
 */
struct lcore_ll_info
{
	struct virtio_net_data_ll    *ll_root_free; 	/* Pointer to head in free linked list. */
	struct virtio_net_data_ll    *ll_root_used;	    /* Pointer to head of used linked list. */
	uint32_t                      device_num;       /* Number of devices on lcore. */
	volatile  uint8_t             dev_removal_flag; /* Flag to synchronize device removal. */
};

struct lcore_info
{
	struct lcore_ll_info	*lcore_ll;	/* Pointer to data core specific lcore_ll_info struct */
};
#endif /* _MAIN_H_ */