/usr/share/dpdk/examples/vhost/main.h is in dpdk-doc 2.2.0-0ubuntu7.
This file is owned by root:root, with mode 0o644.
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* 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
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (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...) do { \
RTE_LOG(DEBUG, log_type, fmt, ##args); \
} while (0)
#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
/**
* Information relating to memory regions including offsets to
* addresses in host physical space.
*/
struct virtio_memory_regions_hpa {
/**< Base guest physical address of region. */
uint64_t guest_phys_address;
/**< End guest physical address of region. */
uint64_t guest_phys_address_end;
/**< Size of region. */
uint64_t memory_size;
/**< Offset of region for gpa to hpa translation. */
uint64_t host_phys_addr_offset;
};
/*
* Device linked list structure for data path.
*/
struct vhost_dev {
/**< Pointer to device created by vhost lib. */
struct virtio_net *dev;
/**< Number of memory regions for gpa to hpa translation. */
uint32_t nregions_hpa;
/**< Memory region information for gpa to hpa translation. */
struct virtio_memory_regions_hpa *regions_hpa;
/**< Device MAC address (Obtained on first TX packet). */
struct ether_addr mac_address;
/**< RX VMDQ queue number. */
uint16_t vmdq_rx_q;
/**< Vlan tag assigned to the pool */
uint32_t vlan_tag;
/**< Data core that the device is added to. */
uint16_t coreid;
/**< A device is set as ready if the MAC address has been set. */
volatile uint8_t ready;
/**< Device is marked for removal from the data core. */
volatile uint8_t remove;
} __rte_cache_aligned;
struct virtio_net_data_ll
{
struct vhost_dev *vdev; /* 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_ */
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