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internal commit: 0ab1ea615e5cfbb0687a9d593a86a7b774386076

Signed-off-by: Anthony Xu <anthony.xu@intel.com>
This commit is contained in:
Anthony Xu
2018-03-07 21:01:19 +08:00
committed by lijinxia
parent b966397914
commit bd31b1c53e
93 changed files with 37861 additions and 0 deletions
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71
devicemodel/include/vbs_common_if.h Normal file
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/*
* Copyright (C) 2018 Intel Corporation. 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.
*
*/
/* Shared data structure between VBS-U and VBS-K */
#ifndef _VBS_COMMON_IF_H_
#define _VBS_COMMON_IF_H_
#include "types.h"
#define VBS_MAX_VQ_CNT 10
#define VBS_NAME_LEN 32
struct vbs_vq_info {
uint16_t qsize; /* size of this queue (a power of 2) */
uint32_t pfn; /* PFN of virt queue (not shifted!) */
uint16_t msix_idx; /* MSI-X index, or VIRTIO_MSI_NO_VECTOR */
uint64_t msix_addr;
uint32_t msix_data;
};
struct vbs_vqs_info {
uint32_t nvq; /* number of virtqueues */
struct vbs_vq_info vqs[VBS_MAX_VQ_CNT];
/* array of struct vbs_vq_info */
};
struct vbs_dev_info {
char name[VBS_NAME_LEN];/* VBS name */
int vmid; /* VMID this device belongs to */
int nvq; /* virtqueue # */
uint32_t negotiated_features;
/* features after VIRTIO_CONFIG_S_DRIVER_OK */
uint64_t pio_range_start;
uint64_t pio_range_len; /* PIO bar address initialized by guest OS */
};
/* reuse vhost ioctl index */
#define VBS_K_IOCTL 0xAF
#define VBS_K_SET_DEV _IOW(VBS_K_IOCTL, 0x00, struct vbs_dev_info)
#define VBS_K_SET_VQ _IOW(VBS_K_IOCTL, 0x01, struct vbs_vqs_info)
#endif /* _VBS_COMMON_IF_H_ */