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authorSteven Luong <sluong@cisco.com>2022-10-19 12:46:29 -0700
committerDamjan Marion <dmarion@0xa5.net>2022-12-02 13:43:11 +0000
commit7eba44d1ec54982636f830a4859027218ca56832 (patch)
tree6447cda45a430c8a735b92be2b13b41b18e1f8a1
parenta6d16b71308f1badf4b362d26d2326a2977fe462 (diff)
vhost: convert vhost device driver to a plugin
convert vhost device driver to a plugin as described in https://jira.fd.io/browse/VPP-2065 Type: improvement Signed-off-by: Steven Luong <sluong@cisco.com> Change-Id: Ibfe2f351bcaed36a04b136d082ae414145dd37b5
-rw-r--r--MAINTAINERS4
-rw-r--r--src/plugins/vhost/CMakeLists.txt32
-rw-r--r--src/plugins/vhost/FEATURE.yaml13
-rw-r--r--src/plugins/vhost/plugin.c22
-rw-r--r--src/plugins/vhost/vhost_std.h69
-rw-r--r--src/plugins/vhost/vhost_user.api (renamed from src/vnet/devices/virtio/vhost_user.api)0
-rw-r--r--src/plugins/vhost/vhost_user.c (renamed from src/vnet/devices/virtio/vhost_user.c)4
-rw-r--r--src/plugins/vhost/vhost_user.h (renamed from src/vnet/devices/virtio/vhost_user.h)4
-rw-r--r--src/plugins/vhost/vhost_user_api.c (renamed from src/vnet/devices/virtio/vhost_user_api.c)20
-rw-r--r--src/plugins/vhost/vhost_user_inline.h (renamed from src/vnet/devices/virtio/vhost_user_inline.h)0
-rw-r--r--src/plugins/vhost/vhost_user_input.c (renamed from src/vnet/devices/virtio/vhost_user_input.c)4
-rw-r--r--src/plugins/vhost/vhost_user_output.c (renamed from src/vnet/devices/virtio/vhost_user_output.c)4
-rw-r--r--src/plugins/vhost/virtio_std.h188
-rw-r--r--src/vnet/CMakeLists.txt8
14 files changed, 347 insertions, 25 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index b18e48b40a8..9bc8be134be 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -115,9 +115,9 @@ F: src/vnet/devices/tap/
VNET Vhost User Driver
I: vhost
-Y: src/vnet/devices/virtio/FEATURE.yaml
+Y: src/plugins/vhost/FEATURE.yaml
M: Steven Luong <sluong@cisco.com>
-F: src/vnet/devices/virtio/vhost_user*
+F: src/plugins/vhost
VNET Native Virtio Drivers
I: virtio
diff --git a/src/plugins/vhost/CMakeLists.txt b/src/plugins/vhost/CMakeLists.txt
new file mode 100644
index 00000000000..f72d9f20346
--- /dev/null
+++ b/src/plugins/vhost/CMakeLists.txt
@@ -0,0 +1,32 @@
+# Copyright (c) 2020 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+add_vpp_plugin(vhost
+ SOURCES
+ plugin.c
+ vhost_user.c
+ vhost_user_api.c
+ vhost_user_input.c
+ vhost_user_output.c
+ vhost_std.h
+ vhost_user.h
+ vhost_user_inline.h
+ virtio_std.h
+
+ MULTIARCH_SOURCES
+ vhost_user_input.c
+ vhost_user_output.c
+
+ API_FILES
+ vhost_user.api
+)
diff --git a/src/plugins/vhost/FEATURE.yaml b/src/plugins/vhost/FEATURE.yaml
new file mode 100644
index 00000000000..7104dda1dc5
--- /dev/null
+++ b/src/plugins/vhost/FEATURE.yaml
@@ -0,0 +1,13 @@
+---
+name: Vhost-user Device Driver
+maintainer: sluong@cisco.com
+features:
+ - Device mode to emulate vhost-user interface presented to VPP from the
+ guest VM.
+ - Support virtio 1.0 in virtio
+ - Support virtio 1.1 packed ring in virtio [experimental]
+ - Support multi-queue, GSO, checksum offload, indirect descriptor,
+ jumbo frame, and packed ring.
+description: "Vhost-user implementation"
+state: production
+properties: [API, CLI, STATS, MULTITHREAD]
diff --git a/src/plugins/vhost/plugin.c b/src/plugins/vhost/plugin.c
new file mode 100644
index 00000000000..dc5de1c9ed8
--- /dev/null
+++ b/src/plugins/vhost/plugin.c
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: Apache-2.0
+ * Copyright (c) 2022 Cisco Systems, Inc.
+ * License: Cisco Proprietary Closed Source License - Cisco Internal.
+ * The software, documentation and any fonts accompanying this License whether
+ * on disk, in read only memory, on any other media or in any other form (col-
+ * lectively the “Software”) are licensed, not sold, to you by Cisco, Inc.
+ * (“Cisco”) for use only under the terms of this License, and Cisco reserves
+ * all rights not expressly granted to you. The rights granted herein are
+ * limited to Cisco’s intel- lectual property rights in the Cisco Software and
+ * do not include any other patents or intellectual property rights. You own
+ * the media on which the Cisco Software is recorded but Cisco and/or Cisco’s
+ * licensor(s) retain ownership of the Software itself.
+ */
+
+#include <vlib/vlib.h>
+#include <vnet/plugin/plugin.h>
+#include <vpp/app/version.h>
+
+VLIB_PLUGIN_REGISTER () = {
+ .version = VPP_BUILD_VER,
+ .description = "Vhost-User",
+};
diff --git a/src/plugins/vhost/vhost_std.h b/src/plugins/vhost/vhost_std.h
new file mode 100644
index 00000000000..7799093bac3
--- /dev/null
+++ b/src/plugins/vhost/vhost_std.h
@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2015 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef __VHOST_STD_H__
+#define __VHOST_STD_H__
+
+typedef struct
+{
+ u64 guest_phys_addr;
+ u64 memory_size;
+ u64 userspace_addr;
+ u64 mmap_offset;
+} vhost_memory_region_t;
+
+typedef struct
+{
+ u32 nregions;
+ u32 padding;
+ vhost_memory_region_t regions[0];
+} vhost_memory_t;
+
+typedef struct
+{
+ u32 index;
+ u32 num;
+} vhost_vring_state_t;
+
+typedef struct
+{
+ u32 index;
+ int fd;
+} vhost_vring_file_t;
+
+typedef struct
+{
+ u32 index;
+ u32 flags;
+ u64 desc_user_addr;
+ u64 used_user_addr;
+ u64 avail_user_addr;
+ u64 log_guest_addr;
+} vhost_vring_addr_t;
+
+typedef struct
+{
+ u64 size;
+ u64 offset;
+} vhost_user_log_t;
+
+#endif
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
diff --git a/src/vnet/devices/virtio/vhost_user.api b/src/plugins/vhost/vhost_user.api
index b026ba768a9..b026ba768a9 100644
--- a/src/vnet/devices/virtio/vhost_user.api
+++ b/src/plugins/vhost/vhost_user.api
diff --git a/src/vnet/devices/virtio/vhost_user.c b/src/plugins/vhost/vhost_user.c
index b6e0806db90..fac20800848 100644
--- a/src/vnet/devices/virtio/vhost_user.c
+++ b/src/plugins/vhost/vhost_user.c
@@ -39,8 +39,8 @@
#include <vnet/interface/rx_queue_funcs.h>
#include <vnet/interface/tx_queue_funcs.h>
-#include <vnet/devices/virtio/vhost_user.h>
-#include <vnet/devices/virtio/vhost_user_inline.h>
+#include <vhost/vhost_user.h>
+#include <vhost/vhost_user_inline.h>
/**
* @file
diff --git a/src/vnet/devices/virtio/vhost_user.h b/src/plugins/vhost/vhost_user.h
index f44951e030a..3479d65cbc6 100644
--- a/src/vnet/devices/virtio/vhost_user.h
+++ b/src/plugins/vhost/vhost_user.h
@@ -15,8 +15,8 @@
#ifndef __VIRTIO_VHOST_USER_H__
#define __VIRTIO_VHOST_USER_H__
-#include <vnet/devices/virtio/virtio_std.h>
-#include <vnet/devices/virtio/vhost_std.h>
+#include <vhost/virtio_std.h>
+#include <vhost/vhost_std.h>
/* vhost-user data structures */
diff --git a/src/vnet/devices/virtio/vhost_user_api.c b/src/plugins/vhost/vhost_user_api.c
index cc1896b108a..d522803a011 100644
--- a/src/vnet/devices/virtio/vhost_user_api.c
+++ b/src/plugins/vhost/vhost_user_api.c
@@ -22,14 +22,13 @@
#include <vnet/interface.h>
#include <vnet/api_errno.h>
-#include <vnet/devices/virtio/vhost_user.h>
+#include <vhost/vhost_user.h>
#include <vnet/ethernet/ethernet.h>
#include <vnet/ethernet/ethernet_types_api.h>
-#include <vnet/devices/virtio/virtio_types_api.h>
#include <vnet/format_fns.h>
-#include <vnet/devices/virtio/vhost_user.api_enum.h>
-#include <vnet/devices/virtio/vhost_user.api_types.h>
+#include <vhost/vhost_user.api_enum.h>
+#include <vhost/vhost_user.api_types.h>
#define REPLY_MSG_ID_BASE msg_id_base
#include <vlibapi/api_helper_macros.h>
@@ -261,6 +260,13 @@ vl_api_delete_vhost_user_if_t_handler (vl_api_delete_vhost_user_if_t * mp)
}
static void
+vhost_user_features_encode (u64 features, u32 *first, u32 *last)
+{
+ *first = clib_net_to_host_u32 (features);
+ *last = clib_net_to_host_u32 (features >> 32);
+}
+
+static void
send_sw_interface_vhost_user_details (vpe_api_main_t * am,
vl_api_registration_t * reg,
vhost_user_intf_details_t * vui,
@@ -274,8 +280,8 @@ send_sw_interface_vhost_user_details (vpe_api_main_t * am,
ntohs (REPLY_MSG_ID_BASE + VL_API_SW_INTERFACE_VHOST_USER_DETAILS);
mp->sw_if_index = ntohl (vui->sw_if_index);
mp->virtio_net_hdr_sz = ntohl (vui->virtio_net_hdr_sz);
- virtio_features_encode (vui->features, (u32 *) & mp->features_first_32,
- (u32 *) & mp->features_last_32);
+ vhost_user_features_encode (vui->features, (u32 *) &mp->features_first_32,
+ (u32 *) &mp->features_last_32);
mp->is_server = vui->is_server;
mp->num_regions = ntohl (vui->num_regions);
mp->sock_errno = ntohl (vui->sock_errno);
@@ -324,7 +330,7 @@ static void
vec_free (ifaces);
}
-#include <vnet/devices/virtio/vhost_user.api.c>
+#include <vhost/vhost_user.api.c>
static clib_error_t *
vhost_user_api_hookup (vlib_main_t * vm)
{
diff --git a/src/vnet/devices/virtio/vhost_user_inline.h b/src/plugins/vhost/vhost_user_inline.h
index 8bdff3733a7..8bdff3733a7 100644
--- a/src/vnet/devices/virtio/vhost_user_inline.h
+++ b/src/plugins/vhost/vhost_user_inline.h
diff --git a/src/vnet/devices/virtio/vhost_user_input.c b/src/plugins/vhost/vhost_user_input.c
index 841a9798212..c083f43ba7c 100644
--- a/src/vnet/devices/virtio/vhost_user_input.c
+++ b/src/plugins/vhost/vhost_user_input.c
@@ -40,8 +40,8 @@
#include <vnet/tcp/tcp_packet.h>
#include <vnet/interface/rx_queue_funcs.h>
-#include <vnet/devices/virtio/vhost_user.h>
-#include <vnet/devices/virtio/vhost_user_inline.h>
+#include <vhost/vhost_user.h>
+#include <vhost/vhost_user_inline.h>
#include <vnet/ip/ip4_packet.h>
#include <vnet/ip/ip6_packet.h>
diff --git a/src/vnet/devices/virtio/vhost_user_output.c b/src/plugins/vhost/vhost_user_output.c
index 3b7bf97c3f8..9b52fc6265c 100644
--- a/src/vnet/devices/virtio/vhost_user_output.c
+++ b/src/plugins/vhost/vhost_user_output.c
@@ -39,8 +39,8 @@
#include <vnet/feature/feature.h>
#include <vnet/ip/ip_psh_cksum.h>
-#include <vnet/devices/virtio/vhost_user.h>
-#include <vnet/devices/virtio/vhost_user_inline.h>
+#include <vhost/vhost_user.h>
+#include <vhost/vhost_user_inline.h>
#include <vnet/gso/hdr_offset_parser.h>
/*
diff --git a/src/plugins/vhost/virtio_std.h b/src/plugins/vhost/virtio_std.h
new file mode 100644
index 00000000000..fa826933a9c
--- /dev/null
+++ b/src/plugins/vhost/virtio_std.h
@@ -0,0 +1,188 @@
+/*
+ * Copyright (c) 2015 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef __VIRTIO_STD_H__
+#define __VIRTIO_STD_H__
+
+#define foreach_virtio_net_features \
+ _ (VIRTIO_NET_F_CSUM, 0) /* Host handles pkts w/ partial csum */ \
+ _ (VIRTIO_NET_F_GUEST_CSUM, 1) /* Guest handles pkts w/ partial csum */ \
+ _ (VIRTIO_NET_F_CTRL_GUEST_OFFLOADS, \
+ 2) /* Dynamic offload configuration. */ \
+ _ (VIRTIO_NET_F_MTU, 3) /* Initial MTU advice. */ \
+ _ (VIRTIO_NET_F_MAC, 5) /* Host has given MAC address. */ \
+ _ (VIRTIO_NET_F_GSO, 6) /* Host handles pkts w/ any GSO. */ \
+ _ (VIRTIO_NET_F_GUEST_TSO4, 7) /* Guest can handle TSOv4 in. */ \
+ _ (VIRTIO_NET_F_GUEST_TSO6, 8) /* Guest can handle TSOv6 in. */ \
+ _ (VIRTIO_NET_F_GUEST_ECN, 9) /* Guest can handle TSO[6] w/ ECN in. */ \
+ _ (VIRTIO_NET_F_GUEST_UFO, 10) /* Guest can handle UFO in. */ \
+ _ (VIRTIO_NET_F_HOST_TSO4, 11) /* Host can handle TSOv4 in. */ \
+ _ (VIRTIO_NET_F_HOST_TSO6, 12) /* Host can handle TSOv6 in. */ \
+ _ (VIRTIO_NET_F_HOST_ECN, 13) /* Host can handle TSO[6] w/ ECN in. */ \
+ _ (VIRTIO_NET_F_HOST_UFO, 14) /* Host can handle UFO in. */ \
+ _ (VIRTIO_NET_F_MRG_RXBUF, 15) /* Host can merge receive buffers. */ \
+ _ (VIRTIO_NET_F_STATUS, 16) /* virtio_net_config.status available */ \
+ _ (VIRTIO_NET_F_CTRL_VQ, 17) /* Control channel available */ \
+ _ (VIRTIO_NET_F_CTRL_RX, 18) /* Control channel RX mode support */ \
+ _ (VIRTIO_NET_F_CTRL_VLAN, 19) /* Control channel VLAN filtering */ \
+ _ (VIRTIO_NET_F_CTRL_RX_EXTRA, 20) /* Extra RX mode control support */ \
+ _ (VIRTIO_NET_F_GUEST_ANNOUNCE, \
+ 21) /* Guest can announce device on the network */ \
+ _ (VIRTIO_NET_F_MQ, 22) /* Device supports Receive Flow Steering */ \
+ _ (VIRTIO_NET_F_CTRL_MAC_ADDR, 23) /* Set MAC address */ \
+ _ (VIRTIO_F_NOTIFY_ON_EMPTY, 24) \
+ _ (VHOST_F_LOG_ALL, 26) /* Log all write descriptors */ \
+ _ (VIRTIO_F_ANY_LAYOUT, \
+ 27) /* Can the device handle any descriptor layout */ \
+ _ (VIRTIO_RING_F_INDIRECT_DESC, \
+ 28) /* Support indirect buffer descriptors */ \
+ _ (VIRTIO_RING_F_EVENT_IDX, \
+ 29) /* The Guest publishes the used index for which it expects an \
+ * interrupt at the end of the avail ring. Host should ignore the \
+ * avail->flags field. */ \
+ /* The Host publishes the avail index for which it expects a kick \
+ * at the end of the used ring. Guest should ignore the used->flags field. \
+ */ \
+ _ (VHOST_USER_F_PROTOCOL_FEATURES, 30) \
+ _ (VIRTIO_F_VERSION_1, 32) /* v1.0 compliant. */ \
+ _ (VIRTIO_F_IOMMU_PLATFORM, 33) \
+ _ (VIRTIO_F_RING_PACKED, 34) \
+ _ (VIRTIO_F_IN_ORDER, 35) /* all buffers are used by the device in the */ \
+ /* same order in which they have been made available */ \
+ _ (VIRTIO_F_ORDER_PLATFORM, 36) /* memory accesses by the driver and the */ \
+ /* device are ordered in a way described by the platfor */ \
+ _ (VIRTIO_F_NOTIFICATION_DATA, \
+ 38) /* the driver passes extra data (besides */ \
+ /* identifying the virtqueue) in its device notifications. */ \
+ _ (VIRTIO_NET_F_SPEED_DUPLEX, 63) /* Device set linkspeed and duplex */
+
+typedef enum
+{
+#define _(f, n) f = n,
+ foreach_virtio_net_features
+#undef _
+} vnet_virtio_net_feature_t;
+
+#define VIRTIO_FEATURE(X) (1ULL << X)
+
+#define VRING_MAX_SIZE 32768
+
+#define VRING_DESC_F_NEXT 1
+#define VRING_DESC_F_WRITE 2
+#define VRING_DESC_F_INDIRECT 4
+
+#define VRING_DESC_F_AVAIL (1 << 7)
+#define VRING_DESC_F_USED (1 << 15)
+
+#define foreach_virtio_event_idx_flags \
+ _ (VRING_EVENT_F_ENABLE, 0) \
+ _ (VRING_EVENT_F_DISABLE, 1) \
+ _ (VRING_EVENT_F_DESC, 2)
+
+typedef enum
+{
+#define _(f, n) f = n,
+ foreach_virtio_event_idx_flags
+#undef _
+} vnet_virtio_event_idx_flags_t;
+
+#define VRING_USED_F_NO_NOTIFY 1
+#define VRING_AVAIL_F_NO_INTERRUPT 1
+
+typedef struct
+{
+ u64 addr;
+ u32 len;
+ u16 flags;
+ u16 next;
+} vnet_virtio_vring_desc_t;
+
+typedef struct
+{
+ u16 flags;
+ u16 idx;
+ u16 ring[0];
+ /* u16 used_event; */
+} vnet_virtio_vring_avail_t;
+
+typedef struct
+{
+ u32 id;
+ u32 len;
+} vnet_virtio_vring_used_elem_t;
+
+typedef struct
+{
+ u16 flags;
+ u16 idx;
+ vnet_virtio_vring_used_elem_t ring[0];
+ /* u16 avail_event; */
+} vnet_virtio_vring_used_t;
+
+typedef CLIB_PACKED (struct {
+ u64 addr; // packet data buffer address
+ u32 len; // packet data buffer size
+ u16 id; // buffer id
+ u16 flags; // flags
+}) vnet_virtio_vring_packed_desc_t;
+
+STATIC_ASSERT_SIZEOF (vnet_virtio_vring_packed_desc_t, 16);
+
+typedef CLIB_PACKED (struct {
+ u16 off_wrap;
+ u16 flags;
+}) vnet_virtio_vring_desc_event_t;
+
+#define VIRTIO_NET_HDR_F_NEEDS_CSUM 1 /* Use csum_start, csum_offset */
+#define VIRTIO_NET_HDR_F_DATA_VALID 2 /* Csum is valid */
+
+#define VIRTIO_NET_HDR_GSO_NONE 0 /* Not a GSO frame */
+#define VIRTIO_NET_HDR_GSO_TCPV4 1 /* GSO frame, IPv4 TCP (TSO) */
+#define VIRTIO_NET_HDR_GSO_UDP 3 /* GSO frame, IPv4 UDP (UFO) */
+#define VIRTIO_NET_HDR_GSO_TCPV6 4 /* GSO frame, IPv6 TCP */
+#define VIRTIO_NET_HDR_GSO_ECN 0x80 /* TCP has ECN set */
+
+typedef CLIB_PACKED (struct {
+ u8 flags;
+ u8 gso_type;
+ u16 hdr_len; /* Ethernet + IP + tcp/udp hdrs */
+ u16 gso_size; /* Bytes to append to hdr_len per frame */
+ u16 csum_start; /* Position to start checksumming from */
+ u16 csum_offset; /* Offset after that to place checksum */
+ u16 num_buffers; /* Number of merged rx buffers */
+}) vnet_virtio_net_hdr_v1_t;
+
+typedef CLIB_PACKED (struct {
+ u8 flags;
+ u8 gso_type;
+ u16 hdr_len;
+ u16 gso_size;
+ u16 csum_start;
+ u16 csum_offset;
+}) vnet_virtio_net_hdr_t;
+
+typedef CLIB_PACKED (struct {
+ vnet_virtio_net_hdr_t hdr;
+ u16 num_buffers;
+}) vnet_virtio_net_hdr_mrg_rxbuf_t;
+
+#endif
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
diff --git a/src/vnet/CMakeLists.txt b/src/vnet/CMakeLists.txt
index fd62217dbf9..7006bd50e67 100644
--- a/src/vnet/CMakeLists.txt
+++ b/src/vnet/CMakeLists.txt
@@ -986,10 +986,6 @@ list(APPEND VNET_SOURCES
devices/virtio/format.c
devices/virtio/node.c
devices/virtio/pci.c
- devices/virtio/vhost_user.c
- devices/virtio/vhost_user_input.c
- devices/virtio/vhost_user_output.c
- devices/virtio/vhost_user_api.c
devices/virtio/virtio.c
devices/virtio/virtio_api.c
devices/virtio/virtio_pci_legacy.c
@@ -1006,20 +1002,16 @@ list(APPEND VNET_HEADERS
devices/virtio/virtio_pci_legacy.h
devices/virtio/virtio_pci_modern.h
devices/virtio/vhost_std.h
- devices/virtio/vhost_user.h
devices/virtio/virtio_types_api.h
)
list(APPEND VNET_MULTIARCH_SOURCES
- devices/virtio/vhost_user_input.c
- devices/virtio/vhost_user_output.c
devices/virtio/node.c
devices/af_packet/node.c
devices/virtio/device.c
)
list(APPEND VNET_API_FILES
- devices/virtio/vhost_user.api
devices/virtio/virtio.api
devices/virtio/virtio_types.api
)