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authorC.J. Collier <cjcollier@linuxfoundation.org>2016-06-14 07:50:17 -0700
committerC.J. Collier <cjcollier@linuxfoundation.org>2016-06-14 12:17:54 -0700
commit97f17497d162afdb82c8704bf097f0fee3724b2e (patch)
tree1c6269614c0c15ffef8451c58ae8f8b30a1bc804 /drivers/net/vhost/rte_eth_vhost.h
parente04be89c2409570e0055b2cda60bd11395bb93b0 (diff)
Imported Upstream version 16.04
Change-Id: I77eadcd8538a9122e4773cbe55b24033dc451757 Signed-off-by: C.J. Collier <cjcollier@linuxfoundation.org>
Diffstat (limited to 'drivers/net/vhost/rte_eth_vhost.h')
-rw-r--r--drivers/net/vhost/rte_eth_vhost.h109
1 files changed, 109 insertions, 0 deletions
diff --git a/drivers/net/vhost/rte_eth_vhost.h b/drivers/net/vhost/rte_eth_vhost.h
new file mode 100644
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--- /dev/null
+++ b/drivers/net/vhost/rte_eth_vhost.h
@@ -0,0 +1,109 @@
+/*-
+ * BSD LICENSE
+ *
+ * Copyright(c) 2016 IGEL Co., Ltd.
+ * 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 IGEL Co., Ltd. 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 _RTE_ETH_VHOST_H_
+#define _RTE_ETH_VHOST_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+#include <stdbool.h>
+
+#include <rte_virtio_net.h>
+
+/**
+ * Disable features in feature_mask.
+ *
+ * @param feature_mask
+ * Vhost features defined in "linux/virtio_net.h".
+ * @return
+ * - On success, zero.
+ * - On failure, a negative value.
+ */
+int rte_eth_vhost_feature_disable(uint64_t feature_mask);
+
+/**
+ * Enable features in feature_mask.
+ *
+ * @param feature_mask
+ * Vhost features defined in "linux/virtio_net.h".
+ * @return
+ * - On success, zero.
+ * - On failure, a negative value.
+ */
+int rte_eth_vhost_feature_enable(uint64_t feature_mask);
+
+/**
+ * Returns currently supported vhost features.
+ *
+ * @return
+ * Vhost features defined in "linux/virtio_net.h".
+ */
+uint64_t rte_eth_vhost_feature_get(void);
+
+/*
+ * Event description.
+ */
+struct rte_eth_vhost_queue_event {
+ uint16_t queue_id;
+ bool rx;
+ bool enable;
+};
+
+/**
+ * Get queue events from specified port.
+ * If a callback for below event is registered by
+ * rte_eth_dev_callback_register(), this function will describe what was
+ * changed.
+ * - RTE_ETH_EVENT_QUEUE_STATE
+ * Multiple events may cause only one callback kicking, so call this function
+ * while returning 0.
+ *
+ * @param port_id
+ * Port id.
+ * @param event
+ * Pointer to a rte_eth_vhost_queue_event structure.
+ * @return
+ * - On success, zero.
+ * - On failure, a negative value.
+ */
+int rte_eth_vhost_get_queue_event(uint8_t port_id,
+ struct rte_eth_vhost_queue_event *event);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif