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authorC.J. Collier <cjcollier@linuxfoundation.org>2016-06-14 07:54:47 -0700
committerC.J. Collier <cjcollier@linuxfoundation.org>2016-06-14 07:55:43 -0700
commit5129044dce1f85ce4950f31bcf90f3886466f06a (patch)
tree1c6269614c0c15ffef8451c58ae8f8b30a1bc804 /lib/librte_vhost/vhost-net.h
parente04be89c2409570e0055b2cda60bd11395bb93b0 (diff)
Imported upstream release 16.04
* gbp import-orig ../dpdk-16.04.tar.xz Change-Id: Iac2196db782ba322f6974d8a752acc34ce5024c3 Signed-off-by: C.J. Collier <cjcollier@linuxfoundation.org>
Diffstat (limited to 'lib/librte_vhost/vhost-net.h')
-rw-r--r--lib/librte_vhost/vhost-net.h114
1 files changed, 114 insertions, 0 deletions
diff --git a/lib/librte_vhost/vhost-net.h b/lib/librte_vhost/vhost-net.h
new file mode 100644
index 00000000..f193a1f6
--- /dev/null
+++ b/lib/librte_vhost/vhost-net.h
@@ -0,0 +1,114 @@
+/*-
+ * 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 _VHOST_NET_CDEV_H_
+#define _VHOST_NET_CDEV_H_
+#include <stdint.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <linux/vhost.h>
+
+#include <rte_log.h>
+
+#include "rte_virtio_net.h"
+
+/* Macros for printing using RTE_LOG */
+#define RTE_LOGTYPE_VHOST_CONFIG RTE_LOGTYPE_USER1
+#define RTE_LOGTYPE_VHOST_DATA RTE_LOGTYPE_USER1
+
+#ifdef RTE_LIBRTE_VHOST_DEBUG
+#define VHOST_MAX_PRINT_BUFF 6072
+#define LOG_LEVEL RTE_LOG_DEBUG
+#define LOG_DEBUG(log_type, fmt, args...) RTE_LOG(DEBUG, log_type, fmt, ##args)
+#define PRINT_PACKET(device, addr, size, header) do { \
+ char *pkt_addr = (char *)(addr); \
+ unsigned int index; \
+ char packet[VHOST_MAX_PRINT_BUFF]; \
+ \
+ if ((header)) \
+ snprintf(packet, VHOST_MAX_PRINT_BUFF, "(%" PRIu64 ") Header size %d: ", (device->device_fh), (size)); \
+ else \
+ snprintf(packet, VHOST_MAX_PRINT_BUFF, "(%" PRIu64 ") Packet size %d: ", (device->device_fh), (size)); \
+ for (index = 0; index < (size); index++) { \
+ snprintf(packet + strnlen(packet, VHOST_MAX_PRINT_BUFF), VHOST_MAX_PRINT_BUFF - strnlen(packet, VHOST_MAX_PRINT_BUFF), \
+ "%02hhx ", pkt_addr[index]); \
+ } \
+ snprintf(packet + strnlen(packet, VHOST_MAX_PRINT_BUFF), VHOST_MAX_PRINT_BUFF - strnlen(packet, VHOST_MAX_PRINT_BUFF), "\n"); \
+ \
+ LOG_DEBUG(VHOST_DATA, "%s", packet); \
+} while (0)
+#else
+#define LOG_LEVEL RTE_LOG_INFO
+#define LOG_DEBUG(log_type, fmt, args...) do {} while (0)
+#define PRINT_PACKET(device, addr, size, header) do {} while (0)
+#endif
+
+
+/*
+ * Structure used to identify device context.
+ */
+struct vhost_device_ctx {
+ pid_t pid; /* PID of process calling the IOCTL. */
+ uint64_t fh; /* Populated with fi->fh to track the device index. */
+};
+
+int vhost_new_device(struct vhost_device_ctx);
+void vhost_destroy_device(struct vhost_device_ctx);
+
+void vhost_set_ifname(struct vhost_device_ctx,
+ const char *if_name, unsigned int if_len);
+
+int vhost_get_features(struct vhost_device_ctx, uint64_t *);
+int vhost_set_features(struct vhost_device_ctx, uint64_t *);
+
+int vhost_set_vring_num(struct vhost_device_ctx, struct vhost_vring_state *);
+int vhost_set_vring_addr(struct vhost_device_ctx, struct vhost_vring_addr *);
+int vhost_set_vring_base(struct vhost_device_ctx, struct vhost_vring_state *);
+int vhost_get_vring_base(struct vhost_device_ctx,
+ uint32_t, struct vhost_vring_state *);
+
+int vhost_set_vring_kick(struct vhost_device_ctx, struct vhost_vring_file *);
+int vhost_set_vring_call(struct vhost_device_ctx, struct vhost_vring_file *);
+
+int vhost_set_backend(struct vhost_device_ctx, struct vhost_vring_file *);
+
+int vhost_set_owner(struct vhost_device_ctx);
+int vhost_reset_owner(struct vhost_device_ctx);
+
+/*
+ * Backend-specific cleanup. Defined by vhost-cuse and vhost-user.
+ */
+void vhost_backend_cleanup(struct virtio_net *dev);
+
+#endif /* _VHOST_NET_CDEV_H_ */