diff options
Diffstat (limited to 'qemu-options.hx')
| -rw-r--r-- | qemu-options.hx | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/qemu-options.hx b/qemu-options.hx index 5a4eff9aa4..ab06df1e01 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -1460,6 +1460,7 @@ DEF("netdev", HAS_ARG, QEMU_OPTION_netdev, #ifdef CONFIG_NETMAP "netmap|" #endif + "vhost-user|" "socket|" "hubport],id=str[,option][,option][,...]\n", QEMU_ARCH_ALL) STEXI @@ -1791,6 +1792,23 @@ The hubport netdev lets you connect a NIC to a QEMU "vlan" instead of a single netdev. @code{-net} and @code{-device} with parameter @option{vlan} create the required hub automatically. +@item -netdev vhost-user,chardev=@var{id}[,vhostforce=on|off] + +Establish a vhost-user netdev, backed by a chardev @var{id}. The chardev should +be a unix domain socket backed one. The vhost-user uses a specifically defined +protocol to pass vhost ioctl replacement messages to an application on the other +end of the socket. On non-MSIX guests, the feature can be forced with +@var{vhostforce}. + +Example: +@example +qemu -m 512 -object memory-backend-file,id=mem,size=512M,mem-path=/hugetlbfs,share=on \ + -numa node,memdev=mem \ + -chardev socket,path=/path/to/socket \ + -netdev type=vhost-user,id=net0,chardev=chr0 \ + -device virtio-net-pci,netdev=net0 +@end example + @item -net dump[,vlan=@var{n}][,file=@var{file}][,len=@var{len}] Dump network traffic on VLAN @var{n} to file @var{file} (@file{qemu-vlan0.pcap} by default). At most @var{len} bytes (64k by default) per packet are stored. The file format is |