DEF("numa", HAS_ARG, QEMU_OPTION_numa,
"-numa node[,mem=size][,cpus=firstcpu[-lastcpu]][,nodeid=node]\n"
"-numa node[,memdev=id][,cpus=firstcpu[-lastcpu]][,nodeid=node]\n"
- "-numa dist,src=source,dst=destination,val=distance\n", QEMU_ARCH_ALL)
+ "-numa dist,src=source,dst=destination,val=distance\n"
+ "-numa cpu,node-id=node[,socket-id=x][,core-id=y][,thread-id=z]\n",
+ QEMU_ARCH_ALL)
STEXI
@item -numa node[,mem=@var{size}][,cpus=@var{firstcpu}[-@var{lastcpu}]][,nodeid=@var{node}]
@itemx -numa node[,memdev=@var{id}][,cpus=@var{firstcpu}[-@var{lastcpu}]][,nodeid=@var{node}]
means QEMU is able to report the mouse position without having to grab the
mouse. Also overrides the PS/2 mouse emulation when activated.
-@item disk:[format=@var{format}]:@var{file}
-Mass storage device based on file. The optional @var{format} argument
-will be used rather than detecting the format. Can be used to specify
-@code{format=raw} to avoid interpreting an untrusted format header.
-
-@item host:@var{bus}.@var{addr}
-Pass through the host device identified by @var{bus}.@var{addr} (Linux only).
-
-@item host:@var{vendor_id}:@var{product_id}
-Pass through the host device identified by @var{vendor_id}:@var{product_id}
-(Linux only).
-
-@item serial:[vendorid=@var{vendor_id}][,productid=@var{product_id}]:@var{dev}
-Serial converter to host character device @var{dev}, see @code{-serial} for the
-available devices.
-
@item braille
Braille device. This will use BrlAPI to display the braille output on a real
or fake device.
-@item net:@var{options}
-Network adapter that supports CDC ethernet and RNDIS protocols.
-
@end table
ETEXI
#endif
"-netdev vhost-user,id=str,chardev=dev[,vhostforce=on|off]\n"
" configure a vhost-user network, backed by a chardev 'dev'\n"
- "-netdev hubport,id=str,hubid=n\n"
+ "-netdev hubport,id=str,hubid=n[,netdev=nd]\n"
" configure a hub port on QEMU VLAN 'n'\n", QEMU_ARCH_ALL)
DEF("net", HAS_ARG, QEMU_OPTION_net,
"-net nic[,vlan=n][,netdev=nd][,macaddr=mac][,model=type][,name=str][,addr=str][,vectors=v]\n"
#launch a QEMU instance with two NICs, each one connected
#to a TAP device
qemu-system-i386 linux.img \
- -net nic,vlan=0 -net tap,vlan=0,ifname=tap0 \
- -net nic,vlan=1 -net tap,vlan=1,ifname=tap1
+ -netdev tap,id=nd0,ifname=tap0 -device e1000,netdev=nd0 \
+ -netdev tap,id=nd1,ifname=tap1 -device rtl8139,netdev=nd1
@end example
@example
qemu-system-i386 linux.img -net nic -net vde,sock=/tmp/myswitch
@end example
-@item -netdev hubport,id=@var{id},hubid=@var{hubid}
+@item -netdev hubport,id=@var{id},hubid=@var{hubid}[,netdev=@var{nd}]
Create a hub port on QEMU "vlan" @var{hubid}.
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.
+required hub automatically. Alternatively, you can also connect the hubport
+to another netdev with ID @var{nd} by using the @option{netdev=@var{nd}}
+option.
@item -netdev vhost-user,chardev=@var{id}[,vhostforce=on|off][,queues=n]
@table @option
-@item -object memory-backend-file,id=@var{id},size=@var{size},mem-path=@var{dir},share=@var{on|off},discard-data=@var{on|off},merge=@var{on|off},dump=@var{on|off},prealloc=@var{on|off},host-nodes=@var{host-nodes},policy=@var{default|preferred|bind|interleave}
+@item -object memory-backend-file,id=@var{id},size=@var{size},mem-path=@var{dir},share=@var{on|off},discard-data=@var{on|off},merge=@var{on|off},dump=@var{on|off},prealloc=@var{on|off},host-nodes=@var{host-nodes},policy=@var{default|preferred|bind|interleave},align=@var{align}
Creates a memory file backend object, which can be used to back
the guest RAM with huge pages.
interleave memory allocations across the given host node list
@end table
+The @option{align} option specifies the base address alignment when
+QEMU mmap(2) @option{mem-path}, and accepts common suffixes, eg
+@option{2M}. Some backend store specified by @option{mem-path}
+requires an alignment different than the default one used by QEMU, eg
+the device DAX /dev/dax0.0 requires 2M alignment rather than 4K. In
+such cases, users can specify the required alignment via this option.
+
+@item -object memory-backend-ram,id=@var{id},merge=@var{on|off},dump=@var{on|off},prealloc=@var{on|off},size=@var{size},host-nodes=@var{host-nodes},policy=@var{default|preferred|bind|interleave}
+
+Creates a memory backend object, which can be used to back the guest RAM.
+Memory backend objects offer more control than the @option{-m} option that is
+traditionally used to define guest RAM. Please refer to
+@option{memory-backend-file} for a description of the options.
+
@item -object rng-random,id=@var{id},filename=@var{/dev/random}
Creates a random number generator backend which obtains entropy from
projects / mirror_qemu.git / blobdiff