From 081800f80d82ce8d71a1075b3d888f2e298ad183 Mon Sep 17 00:00:00 2001 From: Miroslav Rezanina Date: Fri, 30 Nov 2018 09:11:03 +0100 Subject: Use qemu-kvm in documentation instead of qemu-system- Patchwork-id: 62380 O-Subject: [RHEV-7.1 qemu-kvm-rhev PATCHv4] Use qemu-kvm in documentation instead of qemu-system-i386 Bugzilla: 1140620 RH-Acked-by: Laszlo Ersek RH-Acked-by: Markus Armbruster RH-Acked-by: Stefan Hajnoczi From: Miroslav Rezanina We change the name and location of qemu-kvm binaries. Update documentation to reflect this change. Only architectures available in RHEL are updated. Signed-off-by: Miroslav Rezanina --- docs/qemu-block-drivers.texi | 70 +++++++++++----------- docs/qemu-cpu-models.texi | 8 +-- qemu-doc.texi | 70 +++++++++++----------- qemu-options.hx | 140 ++++++++++++++++++++++--------------------- 4 files changed, 146 insertions(+), 142 deletions(-) diff --git a/docs/qemu-block-drivers.texi b/docs/qemu-block-drivers.texi index 38e9f34..2e71ec9 100644 --- a/docs/qemu-block-drivers.texi +++ b/docs/qemu-block-drivers.texi @@ -405,7 +405,7 @@ QEMU can automatically create a virtual FAT disk image from a directory tree. In order to use it, just type: @example -qemu-system-i386 linux.img -hdb fat:/my_directory +qemu-kvm linux.img -hdb fat:/my_directory @end example Then you access access to all the files in the @file{/my_directory} @@ -415,14 +415,14 @@ them via SAMBA or NFS. The default access is @emph{read-only}. Floppies can be emulated with the @code{:floppy:} option: @example -qemu-system-i386 linux.img -fda fat:floppy:/my_directory +qemu-kvm linux.img -fda fat:floppy:/my_directory @end example A read/write support is available for testing (beta stage) with the @code{:rw:} option: @example -qemu-system-i386 linux.img -fda fat:floppy:rw:/my_directory +qemu-kvm linux.img -fda fat:floppy:rw:/my_directory @end example What you should @emph{never} do: @@ -440,14 +440,14 @@ QEMU can access directly to block device exported using the Network Block Device protocol. @example -qemu-system-i386 linux.img -hdb nbd://my_nbd_server.mydomain.org:1024/ +qemu-kvm linux.img -hdb nbd://my_nbd_server.mydomain.org:1024/ @end example If the NBD server is located on the same host, you can use an unix socket instead of an inet socket: @example -qemu-system-i386 linux.img -hdb nbd+unix://?socket=/tmp/my_socket +qemu-kvm linux.img -hdb nbd+unix://?socket=/tmp/my_socket @end example In this case, the block device must be exported using qemu-nbd: @@ -464,23 +464,23 @@ qemu-nbd --socket=/tmp/my_socket --share=2 my_disk.qcow2 @noindent and then you can use it with two guests: @example -qemu-system-i386 linux1.img -hdb nbd+unix://?socket=/tmp/my_socket -qemu-system-i386 linux2.img -hdb nbd+unix://?socket=/tmp/my_socket +qemu-kvm linux1.img -hdb nbd+unix://?socket=/tmp/my_socket +qemu-kvm linux2.img -hdb nbd+unix://?socket=/tmp/my_socket @end example If the nbd-server uses named exports (supported since NBD 2.9.18, or with QEMU's own embedded NBD server), you must specify an export name in the URI: @example -qemu-system-i386 -cdrom nbd://localhost/debian-500-ppc-netinst -qemu-system-i386 -cdrom nbd://localhost/openSUSE-11.1-ppc-netinst +qemu-kvm -cdrom nbd://localhost/debian-500-ppc-netinst +qemu-kvm -cdrom nbd://localhost/openSUSE-11.1-ppc-netinst @end example The URI syntax for NBD is supported since QEMU 1.3. An alternative syntax is also available. Here are some example of the older syntax: @example -qemu-system-i386 linux.img -hdb nbd:my_nbd_server.mydomain.org:1024 -qemu-system-i386 linux2.img -hdb nbd:unix:/tmp/my_socket -qemu-system-i386 -cdrom nbd:localhost:10809:exportname=debian-500-ppc-netinst +qemu-kvm linux.img -hdb nbd:my_nbd_server.mydomain.org:1024 +qemu-kvm linux2.img -hdb nbd:unix:/tmp/my_socket +qemu-kvm -cdrom nbd:localhost:10809:exportname=debian-500-ppc-netinst @end example @node disk_images_sheepdog @@ -505,7 +505,7 @@ qemu-img convert @var{filename} sheepdog:///@var{image} You can boot from the Sheepdog disk image with the command: @example -qemu-system-i386 sheepdog:///@var{image} +qemu-kvm sheepdog:///@var{image} @end example You can also create a snapshot of the Sheepdog image like qcow2. @@ -517,7 +517,7 @@ where @var{tag} is a tag name of the newly created snapshot. To boot from the Sheepdog snapshot, specify the tag name of the snapshot. @example -qemu-system-i386 sheepdog:///@var{image}#@var{tag} +qemu-kvm sheepdog:///@var{image}#@var{tag} @end example You can create a cloned image from the existing snapshot. @@ -530,14 +530,14 @@ is its tag name. You can use an unix socket instead of an inet socket: @example -qemu-system-i386 sheepdog+unix:///@var{image}?socket=@var{path} +qemu-kvm sheepdog+unix:///@var{image}?socket=@var{path} @end example If the Sheepdog daemon doesn't run on the local host, you need to specify one of the Sheepdog servers to connect to. @example qemu-img create sheepdog://@var{hostname}:@var{port}/@var{image} @var{size} -qemu-system-i386 sheepdog://@var{hostname}:@var{port}/@var{image} +qemu-kvm sheepdog://@var{hostname}:@var{port}/@var{image} @end example @node disk_images_iscsi @@ -627,7 +627,7 @@ cat >iscsi.conf < /sys/bus/pci/devices/0000:06:0d.0/driver/unbind # echo 1102 0002 > /sys/bus/pci/drivers/vfio-pci/new_id -# qemu-system-x86_64 -drive file=nvme://@var{host}:@var{bus}:@var{slot}.@var{func}/@var{namespace} +# qemu-kvm -drive file=nvme://@var{host}:@var{bus}:@var{slot}.@var{func}/@var{namespace} @end example Alternative syntax using properties: @example -qemu-system-x86_64 -drive file.driver=nvme,file.device=@var{host}:@var{bus}:@var{slot}.@var{func},file.namespace=@var{namespace} +qemu-kvm -drive file.driver=nvme,file.device=@var{host}:@var{bus}:@var{slot}.@var{func},file.namespace=@var{namespace} @end example @var{host}:@var{bus}:@var{slot}.@var{func} is the NVMe controller's PCI device diff --git a/docs/qemu-cpu-models.texi b/docs/qemu-cpu-models.texi index 1935f98..93672de 100644 --- a/docs/qemu-cpu-models.texi +++ b/docs/qemu-cpu-models.texi @@ -387,25 +387,25 @@ CPU models / features in QEMU and libvirt @item Host passthrough @example - $ qemu-system-x86_64 -cpu host + $ qemu-kvm -cpu host @end example With feature customization: @example - $ qemu-system-x86_64 -cpu host,-vmx,... + $ qemu-kvm -cpu host,-vmx,... @end example @item Named CPU models @example - $ qemu-system-x86_64 -cpu Westmere + $ qemu-kvm -cpu Westmere @end example With feature customization: @example - $ qemu-system-x86_64 -cpu Westmere,+pcid,... + $ qemu-kvm -cpu Westmere,+pcid,... @end example @end table diff --git a/qemu-doc.texi b/qemu-doc.texi index f7ad1df..0e4b34a 100644 --- a/qemu-doc.texi +++ b/qemu-doc.texi @@ -205,12 +205,12 @@ Note that, by default, GUS shares IRQ(7) with parallel ports and so QEMU must be told to not have parallel ports to have working GUS. @example -qemu-system-i386 dos.img -soundhw gus -parallel none +qemu-kvm dos.img -soundhw gus -parallel none @end example Alternatively: @example -qemu-system-i386 dos.img -device gus,irq=5 +qemu-kvm dos.img -device gus,irq=5 @end example Or some other unclaimed IRQ. @@ -226,7 +226,7 @@ CS4231A is the chip used in Windows Sound System and GUSMAX products Download and uncompress the linux image (@file{linux.img}) and type: @example -qemu-system-i386 linux.img +qemu-kvm linux.img @end example Linux should boot and give you a prompt. @@ -236,7 +236,7 @@ Linux should boot and give you a prompt. @example @c man begin SYNOPSIS -@command{qemu-system-i386} [@var{options}] [@var{disk_image}] +@command{qemu-kvm} [@var{options}] [@var{disk_image}] @c man end @end example @@ -276,21 +276,21 @@ is specified in seconds. The default is 0 which means no timeout. Libiscsi Example (without authentication): @example -qemu-system-i386 -iscsi initiator-name=iqn.2001-04.com.example:my-initiator \ +qemu-kvm -iscsi initiator-name=iqn.2001-04.com.example:my-initiator \ -cdrom iscsi://192.0.2.1/iqn.2001-04.com.example/2 \ -drive file=iscsi://192.0.2.1/iqn.2001-04.com.example/1 @end example Example (CHAP username/password via URL): @example -qemu-system-i386 -drive file=iscsi://user%password@@192.0.2.1/iqn.2001-04.com.example/1 +qemu-kvm -drive file=iscsi://user%password@@192.0.2.1/iqn.2001-04.com.example/1 @end example Example (CHAP username/password via environment variables): @example LIBISCSI_CHAP_USERNAME="user" \ LIBISCSI_CHAP_PASSWORD="password" \ -qemu-system-i386 -drive file=iscsi://192.0.2.1/iqn.2001-04.com.example/1 +qemu-kvm -drive file=iscsi://192.0.2.1/iqn.2001-04.com.example/1 @end example @item NBD @@ -305,12 +305,12 @@ Syntax for specifying a NBD device using Unix Domain Sockets Example for TCP @example -qemu-system-i386 --drive file=nbd:192.0.2.1:30000 +qemu-kvm --drive file=nbd:192.0.2.1:30000 @end example Example for Unix Domain Sockets @example -qemu-system-i386 --drive file=nbd:unix:/tmp/nbd-socket +qemu-kvm --drive file=nbd:unix:/tmp/nbd-socket @end example @item SSH @@ -318,8 +318,8 @@ QEMU supports SSH (Secure Shell) access to remote disks. Examples: @example -qemu-system-i386 -drive file=ssh://user@@host/path/to/disk.img -qemu-system-i386 -drive file.driver=ssh,file.user=user,file.host=host,file.port=22,file.path=/path/to/disk.img +qemu-kvm -drive file=ssh://user@@host/path/to/disk.img +qemu-kvm -drive file.driver=ssh,file.user=user,file.host=host,file.port=22,file.path=/path/to/disk.img @end example Currently authentication must be done using ssh-agent. Other @@ -337,7 +337,7 @@ sheepdog[+tcp|+unix]://[host:port]/vdiname[?socket=path][#snapid|#tag] Example @example -qemu-system-i386 --drive file=sheepdog://192.0.2.1:30000/MyVirtualMachine +qemu-kvm --drive file=sheepdog://192.0.2.1:30000/MyVirtualMachine @end example See also @url{https://sheepdog.github.io/sheepdog/}. @@ -363,17 +363,17 @@ JSON: Example @example URI: -qemu-system-x86_64 --drive file=gluster://192.0.2.1/testvol/a.img, +qemu-kvm --drive file=gluster://192.0.2.1/testvol/a.img, @ file.debug=9,file.logfile=/var/log/qemu-gluster.log JSON: -qemu-system-x86_64 'json:@{"driver":"qcow2", +qemu-kvm 'json:@{"driver":"qcow2", @ "file":@{"driver":"gluster", @ "volume":"testvol","path":"a.img", @ "debug":9,"logfile":"/var/log/qemu-gluster.log", @ "server":[@{"type":"tcp","host":"1.2.3.4","port":24007@}, @ @{"type":"unix","socket":"/var/run/glusterd.socket"@}]@}@}' -qemu-system-x86_64 -drive driver=qcow2,file.driver=gluster,file.volume=testvol,file.path=/path/a.img, +qemu-kvm -drive driver=qcow2,file.driver=gluster,file.volume=testvol,file.path=/path/a.img, @ file.debug=9,file.logfile=/var/log/qemu-gluster.log, @ file.server.0.type=tcp,file.server.0.host=1.2.3.4,file.server.0.port=24007, @ file.server.1.type=unix,file.server.1.socket=/var/run/glusterd.socket @@ -438,9 +438,9 @@ of . Example: boot from a remote Fedora 20 live ISO image @example -qemu-system-x86_64 --drive media=cdrom,file=http://dl.fedoraproject.org/pub/fedora/linux/releases/20/Live/x86_64/Fedora-Live-Desktop-x86_64-20-1.iso,readonly +qemu-kvm --drive media=cdrom,file=http://dl.fedoraproject.org/pub/fedora/linux/releases/20/Live/x86_64/Fedora-Live-Desktop-x86_64-20-1.iso,readonly -qemu-system-x86_64 --drive media=cdrom,file.driver=http,file.url=http://dl.fedoraproject.org/pub/fedora/linux/releases/20/Live/x86_64/Fedora-Live-Desktop-x86_64-20-1.iso,readonly +qemu-kvm --drive media=cdrom,file.driver=http,file.url=http://dl.fedoraproject.org/pub/fedora/linux/releases/20/Live/x86_64/Fedora-Live-Desktop-x86_64-20-1.iso,readonly @end example Example: boot from a remote Fedora 20 cloud image using a local overlay for @@ -448,7 +448,7 @@ writes, copy-on-read, and a readahead of 64k @example qemu-img create -f qcow2 -o backing_file='json:@{"file.driver":"http",, "file.url":"https://dl.fedoraproject.org/pub/fedora/linux/releases/20/Images/x86_64/Fedora-x86_64-20-20131211.1-sda.qcow2",, "file.readahead":"64k"@}' /tmp/Fedora-x86_64-20-20131211.1-sda.qcow2 -qemu-system-x86_64 -drive file=/tmp/Fedora-x86_64-20-20131211.1-sda.qcow2,copy-on-read=on +qemu-kvm -drive file=/tmp/Fedora-x86_64-20-20131211.1-sda.qcow2,copy-on-read=on @end example Example: boot from an image stored on a VMware vSphere server with a self-signed @@ -457,7 +457,7 @@ of 10 seconds. @example qemu-img create -f qcow2 -o backing_file='json:@{"file.driver":"https",, "file.url":"https://user:password@@vsphere.example.com/folder/test/test-flat.vmdk?dcPath=Datacenter&dsName=datastore1",, "file.sslverify":"off",, "file.readahead":"64k",, "file.timeout":10@}' /tmp/test.qcow2 -qemu-system-x86_64 -drive file=/tmp/test.qcow2 +qemu-kvm -drive file=/tmp/test.qcow2 @end example @end table @@ -824,7 +824,7 @@ On Linux hosts, a shared memory device is available. The basic syntax is: @example -qemu-system-x86_64 -device ivshmem-plain,memdev=@var{hostmem} +qemu-kvm -device ivshmem-plain,memdev=@var{hostmem} @end example where @var{hostmem} names a host memory backend. For a POSIX shared @@ -845,7 +845,7 @@ memory server is: ivshmem-server -p @var{pidfile} -S @var{path} -m @var{shm-name} -l @var{shm-size} -n @var{vectors} # Then start your qemu instances with matching arguments -qemu-system-x86_64 -device ivshmem-doorbell,vectors=@var{vectors},chardev=@var{id} +qemu-kvm -device ivshmem-doorbell,vectors=@var{vectors},chardev=@var{id} -chardev socket,path=@var{path},id=@var{id} @end example @@ -870,7 +870,7 @@ Instead of specifying the using POSIX shm, you may specify a memory backend that has hugepage support: @example -qemu-system-x86_64 -object memory-backend-file,size=1G,mem-path=/dev/hugepages/my-shmem-file,share,id=mb1 +qemu-kvm -object memory-backend-file,size=1G,mem-path=/dev/hugepages/my-shmem-file,share,id=mb1 -device ivshmem-plain,memdev=mb1 @end example @@ -886,7 +886,7 @@ kernel testing. The syntax is: @example -qemu-system-i386 -kernel arch/i386/boot/bzImage -hda root-2.4.20.img -append "root=/dev/hda" +qemu-kvm -kernel arch/i386/boot/bzImage -hda root-2.4.20.img -append "root=/dev/hda" @end example Use @option{-kernel} to provide the Linux kernel image and @@ -901,7 +901,7 @@ If you do not need graphical output, you can disable it and redirect the virtual serial port and the QEMU monitor to the console with the @option{-nographic} option. The typical command line is: @example -qemu-system-i386 -kernel arch/i386/boot/bzImage -hda root-2.4.20.img \ +qemu-kvm -kernel arch/i386/boot/bzImage -hda root-2.4.20.img \ -append "root=/dev/hda console=ttyS0" -nographic @end example @@ -967,7 +967,7 @@ Network adapter that supports CDC ethernet and RNDIS protocols. @var{id} specifies a netdev defined with @code{-netdev @dots{},id=@var{id}}. For instance, user-mode networking can be used with @example -qemu-system-i386 [...] -netdev user,id=net0 -device usb-net,netdev=net0 +qemu-kvm [...] -netdev user,id=net0 -device usb-net,netdev=net0 @end example @item usb-ccid Smartcard reader device @@ -986,7 +986,7 @@ no type is given, the HCI logic corresponds to @code{-bt hci,vlan=0}. This USB device implements the USB Transport Layer of HCI. Example usage: @example -@command{qemu-system-i386} [...@var{OPTIONS}...] @option{-usbdevice} bt:hci,vlan=3 @option{-bt} device:keyboard,vlan=3 +@command{qemu-kvm} [...@var{OPTIONS}...] @option{-usbdevice} bt:hci,vlan=3 @option{-bt} device:keyboard,vlan=3 @end example @end table @@ -1063,7 +1063,7 @@ For this setup it is recommended to restrict it to listen on a UNIX domain socket only. For example @example -qemu-system-i386 [...OPTIONS...] -vnc unix:/home/joebloggs/.qemu-myvm-vnc +qemu-kvm [...OPTIONS...] -vnc unix:/home/joebloggs/.qemu-myvm-vnc @end example This ensures that only users on local box with read/write access to that @@ -1086,7 +1086,7 @@ is running the password is set with the monitor. Until the monitor is used to set the password all clients will be rejected. @example -qemu-system-i386 [...OPTIONS...] -vnc :1,password -monitor stdio +qemu-kvm [...OPTIONS...] -vnc :1,password -monitor stdio (qemu) change vnc password Password: ******** (qemu) @@ -1103,7 +1103,7 @@ support provides a secure session, but no authentication. This allows any client to connect, and provides an encrypted session. @example -qemu-system-i386 [...OPTIONS...] \ +qemu-kvm [...OPTIONS...] \ -object tls-creds-x509,id=tls0,dir=/etc/pki/qemu,endpoint=server,verify-peer=no \ -vnc :1,tls-creds=tls0 -monitor stdio @end example @@ -1125,7 +1125,7 @@ same syntax as previously, but with @code{verify-peer} set to @code{yes} instead. @example -qemu-system-i386 [...OPTIONS...] \ +qemu-kvm [...OPTIONS...] \ -object tls-creds-x509,id=tls0,dir=/etc/pki/qemu,endpoint=server,verify-peer=yes \ -vnc :1,tls-creds=tls0 -monitor stdio @end example @@ -1138,7 +1138,7 @@ Finally, the previous method can be combined with VNC password authentication to provide two layers of authentication for clients. @example -qemu-system-i386 [...OPTIONS...] \ +qemu-kvm [...OPTIONS...] \ -object tls-creds-x509,id=tls0,dir=/etc/pki/qemu,endpoint=server,verify-peer=yes \ -vnc :1,tls-creds=tls0,password -monitor stdio (qemu) change vnc password @@ -1163,7 +1163,7 @@ used for authentication, but assuming use of one supporting SSF, then QEMU can be launched with: @example -qemu-system-i386 [...OPTIONS...] -vnc :1,sasl -monitor stdio +qemu-kvm [...OPTIONS...] -vnc :1,sasl -monitor stdio @end example @node vnc_sec_certificate_sasl @@ -1177,7 +1177,7 @@ credentials. This can be enabled, by combining the 'sasl' option with the aforementioned TLS + x509 options: @example -qemu-system-i386 [...OPTIONS...] \ +qemu-kvm [...OPTIONS...] \ -object tls-creds-x509,id=tls0,dir=/etc/pki/qemu,endpoint=server,verify-peer=yes \ -vnc :1,tls-creds=tls0,sasl -monitor stdio @end example @@ -1572,7 +1572,7 @@ QEMU has a primitive support to work with gdb, so that you can do In order to use gdb, launch QEMU with the '-s' option. It will wait for a gdb connection: @example -qemu-system-i386 -s -kernel arch/i386/boot/bzImage -hda root-2.4.20.img \ +qemu-kvm -s -kernel arch/i386/boot/bzImage -hda root-2.4.20.img \ -append "root=/dev/hda" Connected to host network interface: tun0 Waiting gdb connection on port 1234 @@ -1818,7 +1818,7 @@ Set the initial VGA graphic mode. The default is 800x600x32. Set OpenBIOS variables in NVRAM, for example: @example -qemu-system-ppc -prom-env 'auto-boot?=false' \ +qemu-kvm -prom-env 'auto-boot?=false' \ -prom-env 'boot-device=hd:2,\yaboot' \ -prom-env 'boot-args=conf=hd:2,\yaboot.conf' @end example diff --git a/qemu-options.hx b/qemu-options.hx index 5e13aa9..2a60e51 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -253,7 +253,7 @@ This option defines a free-form string that can be used to describe @var{fd}. You can open an image using pre-opened file descriptors from an fd set: @example -qemu-system-i386 +qemu-kvm -add-fd fd=3,set=2,opaque="rdwr:/path/to/file" -add-fd fd=4,set=2,opaque="rdonly:/path/to/file" -drive file=/dev/fdset/2,index=0,media=disk @@ -282,7 +282,7 @@ STEXI Set default value of @var{driver}'s property @var{prop} to @var{value}, e.g.: @example -qemu-system-i386 -global ide-hd.physical_block_size=4096 disk-image.img +qemu-kvm -global ide-hd.physical_block_size=4096 disk-image.img @end example In particular, you can use this to set driver properties for devices which are @@ -336,11 +336,11 @@ bootindex options. The default is non-strict boot. @example # try to boot from network first, then from hard disk -qemu-system-i386 -boot order=nc +qemu-kvm -boot order=nc # boot from CD-ROM first, switch back to default order after reboot -qemu-system-i386 -boot once=d +qemu-kvm -boot once=d # boot with a splash picture for 5 seconds. -qemu-system-i386 -boot menu=on,splash=/root/boot.bmp,splash-time=5000 +qemu-kvm -boot menu=on,splash=/root/boot.bmp,splash-time=5000 @end example Note: The legacy format '-boot @var{drives}' is still supported but its @@ -369,7 +369,7 @@ For example, the following command-line sets the guest startup RAM size to memory the guest can reach to 4GB: @example -qemu-system-x86_64 -m 1G,slots=3,maxmem=4G +qemu-kvm -m 1G,slots=3,maxmem=4G @end example If @var{slots} and @var{maxmem} are not specified, memory hotplug won't @@ -438,12 +438,12 @@ Enable audio and selected sound hardware. Use 'help' to print all available sound hardware. @example -qemu-system-i386 -soundhw sb16,adlib disk.img -qemu-system-i386 -soundhw es1370 disk.img -qemu-system-i386 -soundhw ac97 disk.img -qemu-system-i386 -soundhw hda disk.img -qemu-system-i386 -soundhw all disk.img -qemu-system-i386 -soundhw help +qemu-kvm -soundhw sb16,adlib disk.img +qemu-kvm -soundhw es1370 disk.img +qemu-kvm -soundhw ac97 disk.img +qemu-kvm -soundhw hda disk.img +qemu-kvm -soundhw all disk.img +qemu-kvm -soundhw help @end example Note that Linux's i810_audio OSS kernel (for AC97) module might @@ -918,21 +918,21 @@ is off. Instead of @option{-cdrom} you can use: @example -qemu-system-i386 -drive file=file,index=2,media=cdrom +qemu-kvm -drive file=file,index=2,media=cdrom @end example Instead of @option{-hda}, @option{-hdb}, @option{-hdc}, @option{-hdd}, you can use: @example -qemu-system-i386 -drive file=file,index=0,media=disk -qemu-system-i386 -drive file=file,index=1,media=disk -qemu-system-i386 -drive file=file,index=2,media=disk -qemu-system-i386 -drive file=file,index=3,media=disk +qemu-kvm -drive file=file,index=0,media=disk +qemu-kvm -drive file=file,index=1,media=disk +qemu-kvm -drive file=file,index=2,media=disk +qemu-kvm -drive file=file,index=3,media=disk @end example You can open an image using pre-opened file descriptors from an fd set: @example -qemu-system-i386 +qemu-kvm -add-fd fd=3,set=2,opaque="rdwr:/path/to/file" -add-fd fd=4,set=2,opaque="rdonly:/path/to/file" -drive file=/dev/fdset/2,index=0,media=disk @@ -940,28 +940,28 @@ qemu-system-i386 You can connect a CDROM to the slave of ide0: @example -qemu-system-i386 -drive file=file,if=ide,index=1,media=cdrom +qemu-kvm -drive file=file,if=ide,index=1,media=cdrom @end example If you don't specify the "file=" argument, you define an empty drive: @example -qemu-system-i386 -drive if=ide,index=1,media=cdrom +qemu-kvm -drive if=ide,index=1,media=cdrom @end example Instead of @option{-fda}, @option{-fdb}, you can use: @example -qemu-system-i386 -drive file=file,index=0,if=floppy -qemu-system-i386 -drive file=file,index=1,if=floppy +qemu-kvm -drive file=file,index=0,if=floppy +qemu-kvm -drive file=file,index=1,if=floppy @end example By default, @var{interface} is "ide" and @var{index} is automatically incremented: @example -qemu-system-i386 -drive file=a -drive file=b" +qemu-kvm -drive file=a -drive file=b" @end example is interpreted like: @example -qemu-system-i386 -hda a -hdb b +qemu-kvm -hda a -hdb b @end example ETEXI @@ -1975,8 +1975,8 @@ The following two example do exactly the same, to show how @option{-nic} can be used to shorten the command line length (note that the e1000 is the default on i386, so the @option{model=e1000} parameter could even be omitted here, too): @example -qemu-system-i386 -netdev user,id=n1,ipv6=off -device e1000,netdev=n1,mac=52:54:98:76:54:32 -qemu-system-i386 -nic user,ipv6=off,model=e1000,mac=52:54:98:76:54:32 +qemu-kvm -netdev user,id=n1,ipv6=off -device e1000,netdev=n1,mac=52:54:98:76:54:32 +qemu-kvm -nic user,ipv6=off,model=e1000,mac=52:54:98:76:54:32 @end example @item -nic none @@ -2047,7 +2047,7 @@ can not be resolved. Example: @example -qemu-system-i386 -nic user,dnssearch=mgmt.example.org,dnssearch=example.org +qemu-kvm -nic user,dnssearch=mgmt.example.org,dnssearch=example.org @end example @item domainname=@var{domain} @@ -2071,7 +2071,7 @@ a guest from a local directory. Example (using pxelinux): @example -qemu-system-i386 -hda linux.img -boot n -device e1000,netdev=n1 \ +qemu-kvm -hda linux.img -boot n -device e1000,netdev=n1 \ -netdev user,id=n1,tftp=/path/to/tftp/files,bootfile=/pxelinux.0 @end example @@ -2105,7 +2105,7 @@ screen 0, use the following: @example # on the host -qemu-system-i386 -nic user,hostfwd=tcp:127.0.0.1:6001-:6000 +qemu-kvm -nic user,hostfwd=tcp:127.0.0.1:6001-:6000 # this host xterm should open in the guest X11 server xterm -display :1 @end example @@ -2115,7 +2115,7 @@ the guest, use the following: @example # on the host -qemu-system-i386 -nic user,hostfwd=tcp::5555-:23 +qemu-kvm -nic user,hostfwd=tcp::5555-:23 telnet localhost 5555 @end example @@ -2134,7 +2134,7 @@ lifetime, like in the following example: @example # open 10.10.1.1:4321 on bootup, connect 10.0.2.100:1234 to it whenever # the guest accesses it -qemu-system-i386 -nic user,guestfwd=tcp:10.0.2.100:1234-tcp:10.10.1.1:4321 +qemu-kvm -nic user,guestfwd=tcp:10.0.2.100:1234-tcp:10.10.1.1:4321 @end example Or you can execute a command on every TCP connection established by the guest, @@ -2143,7 +2143,7 @@ so that QEMU behaves similar to an inetd process for that virtual server: @example # call "netcat 10.10.1.1 4321" on every TCP connection to 10.0.2.100:1234 # and connect the TCP stream to its stdin/stdout -qemu-system-i386 -nic 'user,id=n1,guestfwd=tcp:10.0.2.100:1234-cmd:netcat 10.10.1.1 4321' +qemu-kvm -nic 'user,id=n1,guestfwd=tcp:10.0.2.100:1234-cmd:netcat 10.10.1.1 4321' @end example @end table @@ -2170,21 +2170,22 @@ Examples: @example #launch a QEMU instance with the default network script -qemu-system-i386 linux.img -nic tap +qemu-kvm linux.img -nic tap @end example @example #launch a QEMU instance with two NICs, each one connected #to a TAP device -qemu-system-i386 linux.img \ +qemu-kvm linux.img \ -netdev tap,id=nd0,ifname=tap0 -device e1000,netdev=nd0 \ -netdev tap,id=nd1,ifname=tap1 -device rtl8139,netdev=nd1 + -net nic,vlan=1 -net tap,vlan=1,ifname=tap1 @end example @example #launch a QEMU instance with the default network helper to #connect a TAP device to bridge br0 -qemu-system-i386 linux.img -device virtio-net-pci,netdev=n1 \ +qemu-kvm linux.img -device virtio-net-pci,netdev=n1 \ -netdev tap,id=n1,"helper=/path/to/qemu-bridge-helper" @end example @@ -2201,13 +2202,13 @@ Examples: @example #launch a QEMU instance with the default network helper to #connect a TAP device to bridge br0 -qemu-system-i386 linux.img -netdev bridge,id=n1 -device virtio-net,netdev=n1 +qemu-kvm linux.img -netdev bridge,id=n1 -device virtio-net,netdev=n1 @end example @example #launch a QEMU instance with the default network helper to #connect a TAP device to bridge qemubr0 -qemu-system-i386 linux.img -netdev bridge,br=qemubr0,id=n1 -device virtio-net,netdev=n1 +qemu-kvm linux.img -netdev bridge,br=qemubr0,id=n1 -device virtio-net,netdev=n1 @end example @item -netdev socket,id=@var{id}[,fd=@var{h}][,listen=[@var{host}]:@var{port}][,connect=@var{host}:@var{port}] @@ -2222,13 +2223,13 @@ specifies an already opened TCP socket. Example: @example # launch a first QEMU instance -qemu-system-i386 linux.img \ - -device e1000,netdev=n1,mac=52:54:00:12:34:56 \ - -netdev socket,id=n1,listen=:1234 +qemu-kvm linux.img \ + -device e1000,netdev=n1,mac=52:54:00:12:34:56 \ + -netdev socket,id=n1,listen=:1234 # connect the network of this instance to the network of the first instance -qemu-system-i386 linux.img \ - -device e1000,netdev=n2,mac=52:54:00:12:34:57 \ - -netdev socket,id=n2,connect=127.0.0.1:1234 +qemu-kvm linux.img \ + -device e1000,netdev=n2,mac=52:54:00:12:34:57 \ + -netdev socket,id=n2,connect=127.0.0.1:1234 @end example @item -netdev socket,id=@var{id}[,fd=@var{h}][,mcast=@var{maddr}:@var{port}[,localaddr=@var{addr}]] @@ -2251,15 +2252,15 @@ Use @option{fd=h} to specify an already opened UDP multicast socket. Example: @example # launch one QEMU instance -qemu-system-i386 linux.img \ - -device e1000,netdev=n1,mac=52:54:00:12:34:56 \ - -netdev socket,id=n1,mcast=230.0.0.1:1234 +qemu-kvm linux.img \ + -device e1000,netdev=n1,mac=52:54:00:12:34:56 \ + -netdev socket,id=n1,mcast=230.0.0.1:1234 # launch another QEMU instance on same "bus" -qemu-system-i386 linux.img \ - -device e1000,netdev=n2,mac=52:54:00:12:34:57 \ - -netdev socket,id=n2,mcast=230.0.0.1:1234 +qemu-kvm linux.img \ + -device e1000,netdev=n2,mac=52:54:00:12:34:57 \ + -netdev socket,id=n2,mcast=230.0.0.1:1234 # launch yet another QEMU instance on same "bus" -qemu-system-i386 linux.img \ +qemu-kvm linux.img \ -device e1000,netdev=n3,mac=52:54:00:12:34:58 \ -netdev socket,id=n3,mcast=230.0.0.1:1234 @end example @@ -2267,7 +2268,7 @@ qemu-system-i386 linux.img \ Example (User Mode Linux compat.): @example # launch QEMU instance (note mcast address selected is UML's default) -qemu-system-i386 linux.img \ +qemu-kvm linux.img \ -device e1000,netdev=n1,mac=52:54:00:12:34:56 \ -netdev socket,id=n1,mcast=239.192.168.1:1102 # launch UML @@ -2276,9 +2277,12 @@ qemu-system-i386 linux.img \ Example (send packets from host's 1.2.3.4): @example -qemu-system-i386 linux.img \ - -device e1000,netdev=n1,mac=52:54:00:12:34:56 \ - -netdev socket,id=n1,mcast=239.192.168.1:1102,localaddr=1.2.3.4 +qemu-kvm linux.img \ + -device e1000,netdev=n1,mac=52:54:00:12:34:56 \ + -netdev socket,id=n1,mcast=239.192.168.1:1102,localaddr=1.2.3.4 +qemu-kvm linux.img \ + -net nic,macaddr=52:54:00:12:34:56 \ + -net socket,mcast=239.192.168.1:1102,localaddr=1.2.3.4 @end example @item -netdev l2tpv3,id=@var{id},src=@var{srcaddr},dst=@var{dstaddr}[,srcport=@var{srcport}][,dstport=@var{dstport}],txsession=@var{txsession}[,rxsession=@var{rxsession}][,ipv6][,udp][,cookie64][,counter][,pincounter][,txcookie=@var{txcookie}][,rxcookie=@var{rxcookie}][,offset=@var{offset}] @@ -2336,7 +2340,7 @@ brctl addif br-lan vmtunnel0 # on 4.3.2.1 # launch QEMU instance - if your network has reorder or is very lossy add ,pincounter -qemu-system-i386 linux.img -device e1000,netdev=n1 \ +qemu-kvm linux.img -device e1000,netdev=n1 \ -netdev l2tpv3,id=n1,src=4.2.3.1,dst=1.2.3.4,udp,srcport=16384,dstport=16384,rxsession=0xffffffff,txsession=0xffffffff,counter @end example @@ -2353,7 +2357,7 @@ Example: # launch vde switch vde_switch -F -sock /tmp/myswitch # launch QEMU instance -qemu-system-i386 linux.img -nic vde,sock=/tmp/myswitch +qemu-kvm linux.img -nic vde,sock=/tmp/myswitch @end example @item -netdev vhost-user,chardev=@var{id}[,vhostforce=on|off][,queues=n] @@ -2367,11 +2371,11 @@ be created for multiqueue vhost-user. Example: @example -qemu -m 512 -object memory-backend-file,id=mem,size=512M,mem-path=/hugetlbfs,share=on \ - -numa node,memdev=mem \ - -chardev socket,id=chr0,path=/path/to/socket \ - -netdev type=vhost-user,id=net0,chardev=chr0 \ - -device virtio-net-pci,netdev=net0 +qemu-kvm -m 512 -object memory-backend-file,id=mem,size=512M,mem-path=/hugetlbfs,share=on \ + -numa node,memdev=mem \ + -chardev socket,id=chr0,path=/path/to/socket \ + -netdev type=vhost-user,id=net0,chardev=chr0 \ + -device virtio-net-pci,netdev=net0 @end example @item -netdev hubport,id=@var{id},hubid=@var{hubid}[,netdev=@var{nd}] @@ -2805,7 +2809,7 @@ and communicate. Requires the Linux @code{vhci} driver installed. Can be used as following: @example -qemu-system-i386 [...OPTIONS...] -bt hci,vlan=5 -bt vhci,vlan=5 +qemu-kvm [...OPTIONS...] -bt hci,vlan=5 -bt vhci,vlan=5 @end example @item -bt device:@var{dev}[,vlan=@var{n}] @@ -3255,14 +3259,14 @@ ETEXI DEF("realtime", HAS_ARG, QEMU_OPTION_realtime, "-realtime [mlock=on|off]\n" - " run qemu with realtime features\n" + " run qemu-kvm with realtime features\n" " mlock=on|off controls mlock support (default: on)\n", QEMU_ARCH_ALL) STEXI @item -realtime mlock=on|off @findex -realtime -Run qemu with realtime features. -mlocking qemu and guest memory can be enabled via @option{mlock=on} +Run qemu-kvm with realtime features. +mlocking qemu-kvm and guest memory can be enabled via @option{mlock=on} (enabled by default). ETEXI @@ -3300,7 +3304,7 @@ connections will likely be TCP-based, but also UDP, pseudo TTY, or even stdio are reasonable use case. The latter is allowing to start QEMU from within gdb and establish the connection via a pipe: @example -(gdb) target remote | exec qemu-system-i386 -gdb stdio ... +(gdb) target remote | exec qemu-kvm -gdb stdio ... @end example ETEXI @@ -4251,7 +4255,7 @@ which specify the queue number of cryptodev backend, the default of @example - # qemu-system-x86_64 \ + # qemu-kvm \ [...] \ -object cryptodev-backend-builtin,id=cryptodev0 \ -device virtio-crypto-pci,id=crypto0,cryptodev=cryptodev0 \ @@ -4271,7 +4275,7 @@ of cryptodev backend for multiqueue vhost-user, the default of @var{queues} is 1 @example - # qemu-system-x86_64 \ + # qemu-kvm \ [...] \ -chardev socket,id=chardev0,path=/path/to/socket \ -object cryptodev-vhost-user,id=cryptodev0,chardev=chardev0 \ -- 1.8.3.1