diff options
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/interop/live-block-operations.rst | 32 | ||||
| -rw-r--r-- | docs/tools/virtiofsd.rst | 22 |
2 files changed, 30 insertions, 24 deletions
diff --git a/docs/interop/live-block-operations.rst b/docs/interop/live-block-operations.rst index 1073b930dc..477d085f54 100644 --- a/docs/interop/live-block-operations.rst +++ b/docs/interop/live-block-operations.rst @@ -127,13 +127,15 @@ Interacting with a QEMU instance To show some example invocations of command-line, we will use the following invocation of QEMU, with a QMP server running over UNIX -socket:: +socket: - $ ./qemu-system-x86_64 -display none -no-user-config \ - -M q35 -nodefaults -m 512 \ - -blockdev node-name=node-A,driver=qcow2,file.driver=file,file.node-name=file,file.filename=./a.qcow2 \ - -device virtio-blk,drive=node-A,id=virtio0 \ - -monitor stdio -qmp unix:/tmp/qmp-sock,server=on,wait=off +.. parsed-literal:: + + $ |qemu_system| -display none -no-user-config -nodefaults \\ + -m 512 -blockdev \\ + node-name=node-A,driver=qcow2,file.driver=file,file.node-name=file,file.filename=./a.qcow2 \\ + -device virtio-blk,drive=node-A,id=virtio0 \\ + -monitor stdio -qmp unix:/tmp/qmp-sock,server=on,wait=off The ``-blockdev`` command-line option, used above, is available from QEMU 2.9 onwards. In the above invocation, notice the ``node-name`` @@ -692,14 +694,16 @@ And start the destination QEMU (we already have the source QEMU running -- discussed in the section: `Interacting with a QEMU instance`_) instance, with the following invocation. (As noted earlier, for simplicity's sake, the destination QEMU is started on the same host, but -it could be located elsewhere):: - - $ ./qemu-system-x86_64 -display none -no-user-config \ - -M q35 -nodefaults -m 512 \ - -blockdev node-name=node-TargetDisk,driver=qcow2,file.driver=file,file.node-name=file,file.filename=./target-disk.qcow2 \ - -device virtio-blk,drive=node-TargetDisk,id=virtio0 \ - -S -monitor stdio -qmp unix:./qmp-sock2,server=on,wait=off \ - -incoming tcp:localhost:6666 +it could be located elsewhere): + +.. parsed-literal:: + + $ |qemu_system| -display none -no-user-config -nodefaults \\ + -m 512 -blockdev \\ + node-name=node-TargetDisk,driver=qcow2,file.driver=file,file.node-name=file,file.filename=./target-disk.qcow2 \\ + -device virtio-blk,drive=node-TargetDisk,id=virtio0 \\ + -S -monitor stdio -qmp unix:./qmp-sock2,server=on,wait=off \\ + -incoming tcp:localhost:6666 Given the disk image chain on source QEMU:: diff --git a/docs/tools/virtiofsd.rst b/docs/tools/virtiofsd.rst index 00554c75bd..4911e797cb 100644 --- a/docs/tools/virtiofsd.rst +++ b/docs/tools/virtiofsd.rst @@ -239,7 +239,7 @@ xattr-mapping Examples :: --o xattrmap=":prefix:all::user.virtiofs.::bad:all:::" + -o xattrmap=":prefix:all::user.virtiofs.::bad:all:::" This uses two rules, using : as the field separator; @@ -250,7 +250,8 @@ the host set. This is equivalent to the 'map' rule: :: --o xattrmap=":map::user.virtiofs.:" + + -o xattrmap=":map::user.virtiofs.:" 2) Prefix 'trusted.' attributes, allow others through @@ -277,7 +278,8 @@ through. This is equivalent to the 'map' rule: :: --o xattrmap="/map/trusted./user.virtiofs./" + + -o xattrmap="/map/trusted./user.virtiofs./" 3) Hide 'security.' attributes, and allow everything else @@ -298,13 +300,13 @@ Examples Export ``/var/lib/fs/vm001/`` on vhost-user UNIX domain socket ``/var/run/vm001-vhost-fs.sock``: -:: +.. parsed-literal:: host# virtiofsd --socket-path=/var/run/vm001-vhost-fs.sock -o source=/var/lib/fs/vm001 - host# qemu-system-x86_64 \ - -chardev socket,id=char0,path=/var/run/vm001-vhost-fs.sock \ - -device vhost-user-fs-pci,chardev=char0,tag=myfs \ - -object memory-backend-memfd,id=mem,size=4G,share=on \ - -numa node,memdev=mem \ - ... + host# |qemu_system| \\ + -chardev socket,id=char0,path=/var/run/vm001-vhost-fs.sock \\ + -device vhost-user-fs-pci,chardev=char0,tag=myfs \\ + -object memory-backend-memfd,id=mem,size=4G,share=on \\ + -numa node,memdev=mem \\ + ... guest# mount -t virtiofs myfs /mnt |