-/*-
- * 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.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2014 Intel Corporation
*/
#ifndef _VIRTIO_PCI_H_
#include <stdint.h>
#include <rte_pci.h>
-#include <rte_ethdev.h>
+#include <rte_bus_pci.h>
+#include <rte_ethdev_driver.h>
struct virtqueue;
struct virtnet_ctl;
uint8_t vlan_strip;
uint8_t use_msix;
uint8_t modern;
- uint8_t use_simple_rxtx;
+ uint8_t use_simple_rx;
+ uint8_t use_simple_tx;
uint16_t port_id;
uint8_t mac_addr[ETHER_ADDR_LEN];
uint32_t notify_off_multiplier;
struct virtio_pci_common_cfg *common_cfg;
struct virtio_net_config *dev_cfg;
void *virtio_user_dev;
+ /*
+ * App management thread and virtio interrupt handler thread
+ * both can change device state, this lock is meant to avoid
+ * such a contention.
+ */
+ rte_spinlock_t state_lock;
+ struct rte_mbuf **inject_pkts;
struct virtqueue **vqs;
};
/* The alignment to use between consumer and producer parts of vring. */
#define VIRTIO_PCI_VRING_ALIGN 4096
+enum virtio_msix_status {
+ VIRTIO_MSIX_NONE = 0,
+ VIRTIO_MSIX_DISABLED = 1,
+ VIRTIO_MSIX_ENABLED = 2
+};
+
static inline int
vtpci_with_feature(struct virtio_hw *hw, uint64_t bit)
{
uint8_t vtpci_isr(struct virtio_hw *);
+enum virtio_msix_status vtpci_msix_detect(struct rte_pci_device *dev);
+
extern const struct virtio_pci_ops legacy_ops;
extern const struct virtio_pci_ops modern_ops;
extern const struct virtio_pci_ops virtio_user_ops;