d0a502bc03
Change-Id: I1553b86e1cd1b2032931260c26f2d1cb87df2b2b Signed-off-by: Dariusz Stojaczyk <dariuszx.stojaczyk@intel.com> Reviewed-on: https://review.gerrithub.io/375002 Tested-by: SPDK Automated Test System <sys_sgsw@intel.com> Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com>
81 lines
2.8 KiB
C
81 lines
2.8 KiB
C
/*-
|
|
* BSD LICENSE
|
|
*
|
|
* Copyright(c) 2010-2015 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 _VIRTIO_ETHDEV_H_
|
|
#define _VIRTIO_ETHDEV_H_
|
|
|
|
#include <stdint.h>
|
|
#include <sys/uio.h>
|
|
|
|
#include "virtio_pci.h"
|
|
|
|
#define VIRTIO_MAX_RX_QUEUES 128U
|
|
#define VIRTIO_MAX_TX_QUEUES 128U
|
|
#define VIRTIO_MIN_RX_BUFSIZE 64
|
|
|
|
struct virtio_req {
|
|
struct iovec *iov;
|
|
uint32_t iovcnt;
|
|
uint32_t start_write;
|
|
uint32_t data_transferred;
|
|
};
|
|
|
|
/* Features desired/implemented by this driver. */
|
|
#define VIRTIO_PMD_DEFAULT_GUEST_FEATURES \
|
|
(1u << VIRTIO_SCSI_F_INOUT | \
|
|
1ULL << VIRTIO_F_VERSION_1 | \
|
|
1ULL << VIRTIO_F_IOMMU_PLATFORM)
|
|
|
|
#define VIRTIO_PMD_SUPPORTED_GUEST_FEATURES \
|
|
(VIRTIO_PMD_DEFAULT_GUEST_FEATURES)
|
|
|
|
/*
|
|
* RX/TX function prototypes
|
|
*/
|
|
|
|
int virtio_dev_tx_queue_setup(struct virtio_hw *hw, uint16_t tx_queue_id,
|
|
uint16_t nb_tx_desc, unsigned int socket_id);
|
|
|
|
uint16_t virtio_recv_pkts(struct virtqueue *vq, struct virtio_req **reqs,
|
|
uint16_t nb_pkts);
|
|
|
|
uint16_t virtio_xmit_pkts(struct virtqueue *vq, struct virtio_req *req);
|
|
|
|
int eth_virtio_dev_init(struct virtio_hw *hw, int num_queues);
|
|
int virtio_dev_start(struct virtio_hw *hw);
|
|
struct virtio_hw *get_pci_virtio_hw(void);
|
|
|
|
void virtio_interrupt_handler(void *param);
|
|
|
|
#endif /* _VIRTIO_ETHDEV_H_ */
|