https://community.arm.com/developer/tools-software/tools/b/tools-software-ides-blog/posts/open-vswitch-with-dpdk-setup-on-arm-for-phy-vm-phy-vhost-loopback-test
> my steps at host: > 1. enabling VHOST defines and building x86_64-native-linuxapp-gcc. > > 2. both interfaces are bind like: > 0000:04:00.0 'Ethernet 10G 2P X520 Adapter' drv=igb_uio unused=ixgbe > 0000:04:00.1 'Ethernet 10G 2P X520 Adapter' drv=igb_uio unused=ixgbe > > 3. then making the project examples/vhost and executing: > ./build/vhost-switch -c 0x03 -n 4 --socket-mem 1024 --file-prefix p1 -- > -p 1 --vm2vm 0 --socket-file /tmp/sock1 --client -P > ./build/vhost-switch -c 0x30 -n 4 --socket-mem 1024 --file-prefix p2 -- > -p 2 --vm2vm 0 --socket-file /tmp/sock2 --client -P > > 4. creating the guest > qemu- system-x86_64 -chardev socket,id=char1,path=/tmp/sock1,server > -netdev type=vhost-user,id=hostnet1,chardev=char1,queues=2 -device > virtio-net-pci,mq=on,vectors=2,netdev=hostnet1,id=net1,mac=00:00:00:00:00:01 > -chardev socket,id=char2,path=/tmp/sock2,server -netdev > type=vhost-user,id=hostnet2,chardev=char2,queues=2 -device > virtio-net-pci,mq=on,vectors=2,netdev=hostnet2,id=net2,mac=00:00:00:00:00:02 > -object > memory-backend-file,id=mem2,size=2048M,mem-path=/run/hugepages,share=on ... > > my steps on the guest: > 1. enabling VHOST defines and building x86_64-native-linuxapp-gcc. > > 2. successfully setting up environment: > modprobe uio_pci_generic > ./tools/dpdk-devbind.py -b uio_pci_generic 0000:00:07.0 > ./tools/dpdk-devbind.py -b uio_pci_generic 0000:00:08.0 > ./examples/l3fwd/build/l3fwd -c 0x3 -n 3 -- --parse-ptype -p 0x3 -P -L > --config="(0,0,0),(0,1,1),(1,0,0),(1,1,1)" --no-numa
(gdb) set args -l 0-3 -n 4 --socket-mem 1024 -- --socket-file /tmp/sock0 --client -p 0x1 (gdb) r Starting program: /data1/dpdk-19.11/examples/vhost/build/app/vhost-switch -l 0-3 -n 4 --socket-mem 1024 -- --socket-file /tmp/sock0 --client -p 0x1 [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib64/libthread_db.so.1". EAL: Detected 128 lcore(s) EAL: Detected 4 NUMA nodes [New Thread 0xffffbe43d910 (LWP 52584)] EAL: Multi-process socket /var/run/dpdk/rte/mp_socket [New Thread 0xffffbdc2d910 (LWP 52585)] EAL: Selected IOVA mode 'VA' EAL: No available hugepages reported in hugepages-2048kB EAL: Probing VFIO support... EAL: VFIO support initialized [New Thread 0xffffbd40d910 (LWP 52586)] [New Thread 0xffffbcbfd910 (LWP 52587)] [New Thread 0xffffbc3ed910 (LWP 52588)] EAL: PCI device 0000:05:00.0 on NUMA socket 0 EAL: probe driver: 19e5:200 net_hinic EAL: using IOMMU type 1 (Type 1) net_hinic: Initializing pf hinic-0000:05:00.0 in primary process net_hinic: Hwif is not ready net_hinic: Initialize hwif failed, dev_name: 0000:05:00.0 net_hinic: Initialize hwif failed, dev_name: 0000:05:00.0 net_hinic: Create nic device failed, dev_name: 0000:05:00.0 net_hinic: Initialize 0000:05:00.0 in primary failed EAL: Releasing pci mapped resource for 0000:05:00.0 EAL: Calling pci_unmap_resource for 0000:05:00.0 at 0x8300000000 EAL: Calling pci_unmap_resource for 0000:05:00.0 at 0x8300030000 EAL: Requested device 0000:05:00.0 cannot be used EAL: PCI device 0000:06:00.0 on NUMA socket 0 EAL: probe driver: 19e5:200 net_hinic EAL: using IOMMU type 1 (Type 1) net_hinic: Initializing pf hinic-0000:06:00.0 in primary process net_hinic: Hwif is not ready net_hinic: Initialize hwif failed, dev_name: 0000:06:00.0 net_hinic: Initialize hwif failed, dev_name: 0000:06:00.0 net_hinic: Create nic device failed, dev_name: 0000:06:00.0 net_hinic: Initialize 0000:06:00.0 in primary failed EAL: Releasing pci mapped resource for 0000:06:00.0 EAL: Calling pci_unmap_resource for 0000:06:00.0 at 0x8300130000 EAL: Calling pci_unmap_resource for 0000:06:00.0 at 0x8300160000 EAL: Requested device 0000:06:00.0 cannot be used EAL: PCI device 0000:7d:00.0 on NUMA socket 0 EAL: probe driver: 19e5:a222 net_hns3 EAL: PCI device 0000:7d:00.1 on NUMA socket 0 EAL: probe driver: 19e5:a221 net_hns3 EAL: PCI device 0000:7d:00.2 on NUMA socket 0 EAL: probe driver: 19e5:a222 net_hns3 EAL: PCI device 0000:7d:00.3 on NUMA socket 0 EAL: probe driver: 19e5:a221 net_hns3 VHOST_PORT: Specified port number(1) exceeds total system port number(0) VHOST_DATA: Procesing on Core 1 started Breakpoint 1, rte_vhost_driver_register (path=0x10c5550 "/tmp/sock0", flags=1) at /data1/dpdk-19.11/lib/librte_vhost/socket.c:848 848 int ret = -1; (gdb) bt #0 rte_vhost_driver_register (path=0x10c5550 "/tmp/sock0", flags=1) at /data1/dpdk-19.11/lib/librte_vhost/socket.c:848 #1 0x0000000000465624 in main () (gdb)
Breakpoint 1, rte_vhost_driver_register (path=0x10c5550 "/tmp/sock0", flags=1) at /data1/dpdk-19.11/lib/librte_vhost/socket.c:848 848 int ret = -1; (gdb) bt #0 rte_vhost_driver_register (path=0x10c5550 "/tmp/sock0", flags=1) at /data1/dpdk-19.11/lib/librte_vhost/socket.c:848 #1 0x0000000000465624 in main () (gdb) b rte_vhost_driver_set_features Breakpoint 2 at 0x515f58: file /data1/dpdk-19.11/lib/librte_vhost/socket.c, line 673. (gdb) b rte_vhost_driver_callback_register Breakpoint 3 at 0x5169c4: file /data1/dpdk-19.11/lib/librte_vhost/socket.c, line 1110. (gdb) b rte_vhost_driver_start Breakpoint 4 at 0x516a80: file /data1/dpdk-19.11/lib/librte_vhost/socket.c, line 1137. (gdb) b virtio_user_dev_init Breakpoint 5 at 0x9fc5b0: file /data1/dpdk-19.11/drivers/net/virtio/virtio_user/virtio_user_dev.c, line 427. (gdb) c Continuing. VHOST_DATA: Procesing on Core 3 started VHOST_DATA: Procesing on Core 2 started [New Thread 0xffffbbbdd910 (LWP 52609)] VHOST_CONFIG: vhost-user client: socket created, fd: 46 Breakpoint 3, rte_vhost_driver_callback_register (path=0x10c5550 "/tmp/sock0", ops=0xbab1a8 <virtio_net_device_ops>) at /data1/dpdk-19.11/lib/librte_vhost/socket.c:1110 1110 pthread_mutex_lock(&vhost_user.mutex); (gdb) bt #0 rte_vhost_driver_callback_register (path=0x10c5550 "/tmp/sock0", ops=0xbab1a8 <virtio_net_device_ops>) at /data1/dpdk-19.11/lib/librte_vhost/socket.c:1110 #1 0x00000000004655ec in main () (gdb) c Continuing. Breakpoint 4, rte_vhost_driver_start (path=0x10c5550 "/tmp/sock0") at /data1/dpdk-19.11/lib/librte_vhost/socket.c:1137 1137 pthread_mutex_lock(&vhost_user.mutex); (gdb) c Continuing. [New Thread 0xffffbb3cd910 (LWP 52611)] VHOST_CONFIG: failed to connect to /tmp/sock0: No such file or directory VHOST_CONFIG: /tmp/sock0: reconnecting..
int rte_vhost_driver_start(const char *path) { struct vhost_user_socket *vsocket; static pthread_t fdset_tid; pthread_mutex_lock(&vhost_user.mutex); vsocket = find_vhost_user_socket(path); pthread_mutex_unlock(&vhost_user.mutex); if (!vsocket) return -1; if (fdset_tid == 0) { /** * create a pipe which will be waited by poll and notified to * rebuild the wait list of poll. */ if (fdset_pipe_init(&vhost_user.fdset) < 0) { RTE_LOG(ERR, VHOST_CONFIG, "failed to create pipe for vhost fdset "); return -1; } int ret = rte_ctrl_thread_create(&fdset_tid, "vhost-events", NULL, fdset_event_dispatch, &vhost_user.fdset); if (ret != 0) { RTE_LOG(ERR, VHOST_CONFIG, "failed to create fdset handling thread"); fdset_pipe_uninit(&vhost_user.fdset); return -1; } } if (vsocket->is_server) return vhost_user_start_server(vsocket); else return vhost_user_start_client(vsocket); }
[root@localhost app]# gdb vhost-switch GNU gdb (GDB) Red Hat Enterprise Linux 7.6.1-119.el7 Copyright (C) 2013 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "aarch64-redhat-linux-gnu". For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>... Reading symbols from /data1/dpdk-19.11/examples/vhost/build/app/vhost-switch...done. (gdb) set args -l 0-3 -n 4 --socket-mem 1024 -- --socket-file /tmp/sock0 --client -p 0x1 (gdb) set args -l 0-3 -n 4 --socket-mem 1024 -- --socket-file /tmp/vhost1 --client -p 0x1 (gdb) b virtio_user_dev_init Breakpoint 1 at 0x9fc5b0: file /data1/dpdk-19.11/drivers/net/virtio/virtio_user/virtio_user_dev.c, line 427. (gdb) b vhost_user_set_mem_table Breakpoint 2 at 0x51ebcc: file /data1/dpdk-19.11/lib/librte_vhost/vhost_user.c, line 1047. (gdb) b vhost_user_set_vring_kick Breakpoint 3 at 0x5204fc: file /data1/dpdk-19.11/lib/librte_vhost/vhost_user.c, line 1795. (gdb) b vhost_user_set_vring_call Breakpoint 4 at 0x51fcac: file /data1/dpdk-19.11/lib/librte_vhost/vhost_user.c, line 1563. (gdb) r Starting program: /data1/dpdk-19.11/examples/vhost/build/app/vhost-switch -l 0-3 -n 4 --socket-mem 1024 -- --socket-file /tmp/vhost1 --client -p 0x1 [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib64/libthread_db.so.1". EAL: Detected 128 lcore(s) EAL: Detected 4 NUMA nodes EAL: Cannot create lock on '/var/run/dpdk/rte/config'. Is another primary process running? EAL: FATAL: Cannot init config EAL: Cannot init config EAL: Error - exiting with code: 1 Cause: Error with EAL initialization [Inferior 1 (process 52654) exited with code 01] (gdb) r Starting program: /data1/dpdk-19.11/examples/vhost/build/app/vhost-switch -l 0-3 -n 4 --socket-mem 1024 -- --socket-file /tmp/vhost1 --client -p 0x1 [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib64/libthread_db.so.1". EAL: Detected 128 lcore(s) EAL: Detected 4 NUMA nodes [New Thread 0xffffbe43d910 (LWP 52662)] EAL: Multi-process socket /var/run/dpdk/rte/mp_socket [New Thread 0xffffbdc2d910 (LWP 52663)] EAL: Selected IOVA mode 'VA' EAL: No available hugepages reported in hugepages-2048kB EAL: Probing VFIO support... EAL: VFIO support initialized [New Thread 0xffffbd40d910 (LWP 52664)] [New Thread 0xffffbcbfd910 (LWP 52665)] [New Thread 0xffffbc3ed910 (LWP 52666)] EAL: PCI device 0000:05:00.0 on NUMA socket 0 EAL: probe driver: 19e5:200 net_hinic EAL: using IOMMU type 1 (Type 1) net_hinic: Initializing pf hinic-0000:05:00.0 in primary process net_hinic: Hwif is not ready net_hinic: Initialize hwif failed, dev_name: 0000:05:00.0 net_hinic: Initialize hwif failed, dev_name: 0000:05:00.0 net_hinic: Create nic device failed, dev_name: 0000:05:00.0 net_hinic: Initialize 0000:05:00.0 in primary failed EAL: Releasing pci mapped resource for 0000:05:00.0 EAL: Calling pci_unmap_resource for 0000:05:00.0 at 0x8300000000 EAL: Calling pci_unmap_resource for 0000:05:00.0 at 0x8300030000 EAL: Requested device 0000:05:00.0 cannot be used EAL: PCI device 0000:06:00.0 on NUMA socket 0 EAL: probe driver: 19e5:200 net_hinic EAL: using IOMMU type 1 (Type 1) net_hinic: Initializing pf hinic-0000:06:00.0 in primary process net_hinic: Hwif is not ready net_hinic: Initialize hwif failed, dev_name: 0000:06:00.0 net_hinic: Initialize hwif failed, dev_name: 0000:06:00.0 net_hinic: Create nic device failed, dev_name: 0000:06:00.0 net_hinic: Initialize 0000:06:00.0 in primary failed EAL: Releasing pci mapped resource for 0000:06:00.0 EAL: Calling pci_unmap_resource for 0000:06:00.0 at 0x8300130000 EAL: Calling pci_unmap_resource for 0000:06:00.0 at 0x8300160000 EAL: Requested device 0000:06:00.0 cannot be used EAL: PCI device 0000:7d:00.0 on NUMA socket 0 EAL: probe driver: 19e5:a222 net_hns3 EAL: PCI device 0000:7d:00.1 on NUMA socket 0 EAL: probe driver: 19e5:a221 net_hns3 EAL: PCI device 0000:7d:00.2 on NUMA socket 0 EAL: probe driver: 19e5:a222 net_hns3 EAL: PCI device 0000:7d:00.3 on NUMA socket 0 EAL: probe driver: 19e5:a221 net_hns3 VHOST_PORT: Specified port number(1) exceeds total system port number(0) VHOST_DATA: Procesing on Core 1 started VHOST_DATA: Procesing on Core 2 started VHOST_DATA: Procesing on Core 3 started [New Thread 0xffffbbbdd910 (LWP 52667)] VHOST_CONFIG: vhost-user client: socket created, fd: 46 [New Thread 0xffffbb3cd910 (LWP 52668)] VHOST_CONFIG: new device, handle is 0 VHOST_CONFIG: read message VHOST_USER_GET_FEATURES VHOST_CONFIG: read message VHOST_USER_GET_PROTOCOL_FEATURES VHOST_CONFIG: read message VHOST_USER_SET_PROTOCOL_FEATURES VHOST_CONFIG: negotiated Vhost-user protocol features: 0xcb7 VHOST_CONFIG: read message VHOST_USER_GET_QUEUE_NUM VHOST_CONFIG: read message VHOST_USER_SET_SLAVE_REQ_FD VHOST_CONFIG: read message VHOST_USER_SET_OWNER VHOST_CONFIG: read message VHOST_USER_GET_FEATURES VHOST_CONFIG: read message VHOST_USER_SET_VRING_CALL [Switching to Thread 0xffffbb3cd910 (LWP 52668)] Breakpoint 4, vhost_user_set_vring_call (pdev=0xffffbb3ccfa8, msg=0xffffbb3ccd00, main_fd=46) at /data1/dpdk-19.11/lib/librte_vhost/vhost_user.c:1563 1563 struct virtio_net *dev = *pdev; (gdb) bt #0 vhost_user_set_vring_call (pdev=0xffffbb3ccfa8, msg=0xffffbb3ccd00, main_fd=46) at /data1/dpdk-19.11/lib/librte_vhost/vhost_user.c:1563 #1 0x0000000000521e8c in vhost_user_msg_handler (vid=0, fd=46) at /data1/dpdk-19.11/lib/librte_vhost/vhost_user.c:2689 #2 0x0000000000515528 in vhost_user_read_cb (connfd=46, dat=0x10c47f0, remove=0xffffbb3cd064) at /data1/dpdk-19.11/lib/librte_vhost/socket.c:306 #3 0x0000000000512640 in fdset_event_dispatch (arg=0xe04568 <vhost_user+8192>) at /data1/dpdk-19.11/lib/librte_vhost/fd_man.c:286 #4 0x00000000005b024c in rte_thread_init (arg=0x10c3b10) at /data1/dpdk-19.11/lib/librte_eal/common/eal_common_thread.c:165 #5 0x0000ffffbe617d38 in start_thread (arg=0xffffbb3cd910) at pthread_create.c:309 #6 0x0000ffffbe55f5f0 in thread_start () at ../sysdeps/unix/sysv/linux/aarch64/clone.S:91 (gdb) c Continuing. VHOST_CONFIG: vring call idx:0 file:50 VHOST_CONFIG: read message VHOST_USER_SET_VRING_CALL Breakpoint 4, vhost_user_set_vring_call (pdev=0xffffbb3ccfa8, msg=0xffffbb3ccd00, main_fd=46) at /data1/dpdk-19.11/lib/librte_vhost/vhost_user.c:1563 1563 struct virtio_net *dev = *pdev; (gdb) bt #0 vhost_user_set_vring_call (pdev=0xffffbb3ccfa8, msg=0xffffbb3ccd00, main_fd=46) at /data1/dpdk-19.11/lib/librte_vhost/vhost_user.c:1563 #1 0x0000000000521e8c in vhost_user_msg_handler (vid=0, fd=46) at /data1/dpdk-19.11/lib/librte_vhost/vhost_user.c:2689 #2 0x0000000000515528 in vhost_user_read_cb (connfd=46, dat=0x10c47f0, remove=0xffffbb3cd064) at /data1/dpdk-19.11/lib/librte_vhost/socket.c:306 #3 0x0000000000512640 in fdset_event_dispatch (arg=0xe04568 <vhost_user+8192>) at /data1/dpdk-19.11/lib/librte_vhost/fd_man.c:286 #4 0x00000000005b024c in rte_thread_init (arg=0x10c3b10) at /data1/dpdk-19.11/lib/librte_eal/common/eal_common_thread.c:165 #5 0x0000ffffbe617d38 in start_thread (arg=0xffffbb3cd910) at pthread_create.c:309 #6 0x0000ffffbe55f5f0 in thread_start () at ../sysdeps/unix/sysv/linux/aarch64/clone.S:91 (gdb) c Continuing. VHOST_CONFIG: vring call idx:1 file:51 VHOST_CONFIG: read message VHOST_USER_SET_VRING_ENABLE VHOST_CONFIG: set queue enable: 1 to qp idx: 0 VHOST_CONFIG: read message VHOST_USER_SET_VRING_ENABLE VHOST_CONFIG: set queue enable: 1 to qp idx: 1 VHOST_CONFIG: read message VHOST_USER_SET_VRING_ENABLE VHOST_CONFIG: set queue enable: 1 to qp idx: 0 VHOST_CONFIG: read message VHOST_USER_SET_VRING_ENABLE VHOST_CONFIG: set queue enable: 1 to qp idx: 1 VHOST_CONFIG: read message VHOST_USER_SET_FEATURES VHOST_CONFIG: negotiated Virtio features: 0x170206602 VHOST_CONFIG: read message VHOST_USER_SET_MEM_TABLE Breakpoint 2, vhost_user_set_mem_table (pdev=0xffffbb3ccfa8, msg=0xffffbb3ccd00, main_fd=46) at /data1/dpdk-19.11/lib/librte_vhost/vhost_user.c:1047 1047 struct virtio_net *dev = *pdev; (gdb) bt #0 vhost_user_set_mem_table (pdev=0xffffbb3ccfa8, msg=0xffffbb3ccd00, main_fd=46) at /data1/dpdk-19.11/lib/librte_vhost/vhost_user.c:1047 #1 0x0000000000521e8c in vhost_user_msg_handler (vid=0, fd=46) at /data1/dpdk-19.11/lib/librte_vhost/vhost_user.c:2689 #2 0x0000000000515528 in vhost_user_read_cb (connfd=46, dat=0x10c47f0, remove=0xffffbb3cd064) at /data1/dpdk-19.11/lib/librte_vhost/socket.c:306 #3 0x0000000000512640 in fdset_event_dispatch (arg=0xe04568 <vhost_user+8192>) at /data1/dpdk-19.11/lib/librte_vhost/fd_man.c:286 #4 0x00000000005b024c in rte_thread_init (arg=0x10c3b10) at /data1/dpdk-19.11/lib/librte_eal/common/eal_common_thread.c:165 #5 0x0000ffffbe617d38 in start_thread (arg=0xffffbb3cd910) at pthread_create.c:309 #6 0x0000ffffbe55f5f0 in thread_start () at ../sysdeps/unix/sysv/linux/aarch64/clone.S:91 (gdb) c Continuing. VHOST_CONFIG: guest memory region 0, size: 0x100000000 guest physical addr: 0x40000000 guest virtual addr: 0xfffea0000000 host virtual addr: 0x400000000000 mmap addr : 0x400000000000 mmap size : 0x100000000 mmap align: 0x20000000 mmap off : 0x0 VHOST_CONFIG: read message VHOST_USER_SET_VRING_NUM VHOST_CONFIG: read message VHOST_USER_SET_VRING_BASE VHOST_CONFIG: read message VHOST_USER_SET_VRING_ADDR VHOST_CONFIG: reallocate vq from 0 to 3 node VHOST_CONFIG: reallocate dev from 0 to 3 node VHOST_CONFIG: read message VHOST_USER_SET_VRING_KICK Breakpoint 3, vhost_user_set_vring_kick (pdev=0xffffbb3ccfa8, msg=0xffffbb3ccd00, main_fd=46) at /data1/dpdk-19.11/lib/librte_vhost/vhost_user.c:1795 1795 struct virtio_net *dev = *pdev; (gdb) bt #0 vhost_user_set_vring_kick (pdev=0xffffbb3ccfa8, msg=0xffffbb3ccd00, main_fd=46) at /data1/dpdk-19.11/lib/librte_vhost/vhost_user.c:1795 #1 0x0000000000521e8c in vhost_user_msg_handler (vid=0, fd=46) at /data1/dpdk-19.11/lib/librte_vhost/vhost_user.c:2689 #2 0x0000000000515528 in vhost_user_read_cb (connfd=46, dat=0x10c47f0, remove=0xffffbb3cd064) at /data1/dpdk-19.11/lib/librte_vhost/socket.c:306 #3 0x0000000000512640 in fdset_event_dispatch (arg=0xe04568 <vhost_user+8192>) at /data1/dpdk-19.11/lib/librte_vhost/fd_man.c:286 #4 0x00000000005b024c in rte_thread_init (arg=0x10c3b10) at /data1/dpdk-19.11/lib/librte_eal/common/eal_common_thread.c:165 #5 0x0000ffffbe617d38 in start_thread (arg=0xffffbb3cd910) at pthread_create.c:309 #6 0x0000ffffbe55f5f0 in thread_start () at ../sysdeps/unix/sysv/linux/aarch64/clone.S:91 (gdb) c Continuing. VHOST_CONFIG: vring kick idx:0 file:53 VHOST_CONFIG: read message VHOST_USER_SET_VRING_CALL Breakpoint 4, vhost_user_set_vring_call (pdev=0xffffbb3ccfa8, msg=0xffffbb3ccd00, main_fd=46) at /data1/dpdk-19.11/lib/librte_vhost/vhost_user.c:1563 1563 struct virtio_net *dev = *pdev; (gdb) c Continuing. VHOST_CONFIG: vring call idx:0 file:55 VHOST_CONFIG: read message VHOST_USER_SET_VRING_NUM VHOST_CONFIG: read message VHOST_USER_SET_VRING_BASE VHOST_CONFIG: read message VHOST_USER_SET_VRING_ADDR VHOST_CONFIG: reallocate vq from 0 to 3 node VHOST_CONFIG: read message VHOST_USER_SET_VRING_KICK Breakpoint 3, vhost_user_set_vring_kick (pdev=0xffffbb3ccfa8, msg=0xffffbb3ccd00, main_fd=46) at /data1/dpdk-19.11/lib/librte_vhost/vhost_user.c:1795 1795 struct virtio_net *dev = *pdev; (gdb) c Continuing. VHOST_CONFIG: vring kick idx:1 file:50 VHOST_CONFIG: virtio is now ready for processing. VHOST_DATA: (0) device has been added to data core 0 VHOST_CONFIG: read message VHOST_USER_SET_VRING_CALL Breakpoint 4, vhost_user_set_vring_call (pdev=0xffffbb3ccfa8, msg=0xffffbb3ccd00, main_fd=46) at /data1/dpdk-19.11/lib/librte_vhost/vhost_user.c:1563 1563 struct virtio_net *dev = *pdev; (gdb) c Continuing. VHOST_CONFIG: vring call idx:1 file:56 VHOST_CONFIG: read message VHOST_USER_SET_VRING_ENABLE VHOST_CONFIG: set queue enable: 1 to qp idx: 0 VHOST_CONFIG: read message VHOST_USER_SET_VRING_ENABLE VHOST_CONFIG: set queue enable: 1 to qp idx: 1
虚拟机绑定 vfio，swtich收到VHOST_CONFIG: read message VHOST_USER_GET_VRING_BASE
