diff options
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/about/removed-features.rst | 8 | ||||
| -rw-r--r-- | docs/devel/build-system.rst | 6 | ||||
| -rw-r--r-- | docs/devel/multi-process.rst | 6 | ||||
| -rw-r--r-- | docs/devel/testing.rst | 8 | ||||
| -rw-r--r-- | docs/image-fuzzer.txt | 6 | ||||
| -rw-r--r-- | docs/system/arm/orangepi.rst | 2 | ||||
| -rw-r--r-- | docs/system/images.rst | 2 | ||||
| -rw-r--r-- | docs/system/qemu-block-drivers.rst.inc | 6 | ||||
| -rw-r--r-- | docs/system/tls.rst | 2 | ||||
| -rw-r--r-- | docs/tools/qemu-img.rst | 18 | ||||
| -rw-r--r-- | docs/tools/qemu-nbd.rst | 4 | ||||
| -rw-r--r-- | docs/tools/qemu-storage-daemon.rst | 7 | ||||
| -rw-r--r-- | docs/tools/virtiofsd.rst | 4 |
13 files changed, 40 insertions, 39 deletions
diff --git a/docs/about/removed-features.rst b/docs/about/removed-features.rst index 9d0d90c..d42c334 100644 --- a/docs/about/removed-features.rst +++ b/docs/about/removed-features.rst @@ -658,8 +658,8 @@ enforce that any failure to open the backing image (including if the backing file is missing or an incorrect format was specified) is an error when ``-u`` is not used. -qemu-img amend to adjust backing file (removed in 6.1) -'''''''''''''''''''''''''''''''''''''''''''''''''''''' +``qemu-img amend`` to adjust backing file (removed in 6.1) +'''''''''''''''''''''''''''''''''''''''''''''''''''''''''' The use of ``qemu-img amend`` to modify the name or format of a qcow2 backing image was never fully documented or tested, and interferes @@ -670,8 +670,8 @@ backing chain should be performed with ``qemu-img rebase -u`` either before or after the remaining changes being performed by amend, as appropriate. -qemu-img backing file without format (removed in 6.1) -''''''''''''''''''''''''''''''''''''''''''''''''''''' +``qemu-img`` backing file without format (removed in 6.1) +''''''''''''''''''''''''''''''''''''''''''''''''''''''''' The use of ``qemu-img create``, ``qemu-img rebase``, or ``qemu-img convert`` to create or modify an image that depends on a backing file diff --git a/docs/devel/build-system.rst b/docs/devel/build-system.rst index 7a83f5f..431caba 100644 --- a/docs/devel/build-system.rst +++ b/docs/devel/build-system.rst @@ -121,11 +121,11 @@ process for: 1) executables, which include: - - Tools - qemu-img, qemu-nbd, qga (guest agent), etc + - Tools - ``qemu-img``, ``qemu-nbd``, ``qga`` (guest agent), etc - - System emulators - qemu-system-$ARCH + - System emulators - ``qemu-system-$ARCH`` - - Userspace emulators - qemu-$ARCH + - Userspace emulators - ``qemu-$ARCH`` - Unit tests diff --git a/docs/devel/multi-process.rst b/docs/devel/multi-process.rst index 5c857ff..e480175 100644 --- a/docs/devel/multi-process.rst +++ b/docs/devel/multi-process.rst @@ -187,9 +187,9 @@ desired, in which the emulation application should only be allowed to access the files or devices the VM it's running on behalf of can access. #### qemu-io model -Qemu-io is a test harness used to test changes to the QEMU block backend -object code. (e.g., the code that implements disk images for disk driver -emulation) Qemu-io is not a device emulation application per se, but it +``qemu-io`` is a test harness used to test changes to the QEMU block backend +object code (e.g., the code that implements disk images for disk driver +emulation). ``qemu-io`` is not a device emulation application per se, but it does compile the QEMU block objects into a separate binary from the main QEMU one. This could be useful for disk device emulation, since its emulation applications will need to include the QEMU block objects. diff --git a/docs/devel/testing.rst b/docs/devel/testing.rst index 60c5902..755343c 100644 --- a/docs/devel/testing.rst +++ b/docs/devel/testing.rst @@ -564,11 +564,11 @@ exploiting a QEMU security bug to compromise the host. QEMU binaries ~~~~~~~~~~~~~ -By default, qemu-system-x86_64 is searched in $PATH to run the guest. If there -isn't one, or if it is older than 2.10, the test won't work. In this case, +By default, ``qemu-system-x86_64`` is searched in $PATH to run the guest. If +there isn't one, or if it is older than 2.10, the test won't work. In this case, provide the QEMU binary in env var: ``QEMU=/path/to/qemu-2.10+``. -Likewise the path to qemu-img can be set in QEMU_IMG environment variable. +Likewise the path to ``qemu-img`` can be set in QEMU_IMG environment variable. Make jobs ~~~~~~~~~ @@ -650,7 +650,7 @@ supported. To start the fuzzer, run tests/image-fuzzer/runner.py -c '[["qemu-img", "info", "$test_img"]]' /tmp/test qcow2 -Alternatively, some command different from "qemu-img info" can be tested, by +Alternatively, some command different from ``qemu-img info`` can be tested, by changing the ``-c`` option. Integration tests using the Avocado Framework diff --git a/docs/image-fuzzer.txt b/docs/image-fuzzer.txt index 3e23ebe..279cc8c 100644 --- a/docs/image-fuzzer.txt +++ b/docs/image-fuzzer.txt @@ -51,10 +51,10 @@ assumes that core dumps will be generated in the current working directory. For comprehensive test results, please, set up your test environment properly. -Paths to binaries under test (SUTs) qemu-img and qemu-io are retrieved from -environment variables. If the environment check fails the runner will +Paths to binaries under test (SUTs) ``qemu-img`` and ``qemu-io`` are retrieved +from environment variables. If the environment check fails the runner will use SUTs installed in system paths. -qemu-img is required for creation of backing files, so it's mandatory to set +``qemu-img`` is required for creation of backing files, so it's mandatory to set the related environment variable if it's not installed in the system path. For details about environment variables see qemu-iotests/check. diff --git a/docs/system/arm/orangepi.rst b/docs/system/arm/orangepi.rst index c55694d..83c7445 100644 --- a/docs/system/arm/orangepi.rst +++ b/docs/system/arm/orangepi.rst @@ -128,7 +128,7 @@ Alternatively, you can also choose to build you own image with buildroot using the orangepi_pc_defconfig. Also see https://buildroot.org for more information. When using an image as an SD card, it must be resized to a power of two. This can be -done with the qemu-img command. It is recommended to only increase the image size +done with the ``qemu-img`` command. It is recommended to only increase the image size instead of shrinking it to a power of two, to avoid loss of data. For example, to prepare a downloaded Armbian image, first extract it and then increase its size to one gigabyte as follows: diff --git a/docs/system/images.rst b/docs/system/images.rst index 3d9144e..d000bd6 100644 --- a/docs/system/images.rst +++ b/docs/system/images.rst @@ -20,7 +20,7 @@ where myimage.img is the disk image filename and mysize is its size in kilobytes. You can add an ``M`` suffix to give the size in megabytes and a ``G`` suffix for gigabytes. -See the qemu-img invocation documentation for more information. +See the ``qemu-img`` invocation documentation for more information. .. _disk_005fimages_005fsnapshot_005fmode: diff --git a/docs/system/qemu-block-drivers.rst.inc b/docs/system/qemu-block-drivers.rst.inc index 1622571..e313784 100644 --- a/docs/system/qemu-block-drivers.rst.inc +++ b/docs/system/qemu-block-drivers.rst.inc @@ -511,13 +511,13 @@ of an inet socket: |qemu_system| linux.img -hdb nbd+unix://?socket=/tmp/my_socket -In this case, the block device must be exported using qemu-nbd: +In this case, the block device must be exported using ``qemu-nbd``: .. parsed-literal:: qemu-nbd --socket=/tmp/my_socket my_disk.qcow2 -The use of qemu-nbd allows sharing of a disk between several guests: +The use of ``qemu-nbd`` allows sharing of a disk between several guests: .. parsed-literal:: @@ -530,7 +530,7 @@ and then you can use it with two guests: |qemu_system| linux1.img -hdb nbd+unix://?socket=/tmp/my_socket |qemu_system| linux2.img -hdb nbd+unix://?socket=/tmp/my_socket -If the nbd-server uses named exports (supported since NBD 2.9.18, or with QEMU's +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: .. parsed-literal:: diff --git a/docs/system/tls.rst b/docs/system/tls.rst index b0973af..1a04674 100644 --- a/docs/system/tls.rst +++ b/docs/system/tls.rst @@ -311,7 +311,7 @@ containing one or more usernames and random keys:: mkdir -m 0700 /tmp/keys psktool -u rich -p /tmp/keys/keys.psk -TLS-enabled servers such as qemu-nbd can use this directory like so:: +TLS-enabled servers such as ``qemu-nbd`` can use this directory like so:: qemu-nbd \ -t -x / \ diff --git a/docs/tools/qemu-img.rst b/docs/tools/qemu-img.rst index c0a4443..d663dd9 100644 --- a/docs/tools/qemu-img.rst +++ b/docs/tools/qemu-img.rst @@ -127,9 +127,9 @@ by the used format or see the format descriptions below for details. .. option:: -S SIZE Indicates the consecutive number of bytes that must contain only zeros - for qemu-img to create a sparse image during conversion. This value is rounded - down to the nearest 512 bytes. You may use the common size suffixes like - ``k`` for kilobytes. + for ``qemu-img`` to create a sparse image during conversion. This value is + rounded down to the nearest 512 bytes. You may use the common size suffixes + like ``k`` for kilobytes. .. option:: -t CACHE @@ -431,7 +431,7 @@ Command description: suppressed from the destination image. *SPARSE_SIZE* indicates the consecutive number of bytes (defaults to 4k) - that must contain only zeros for qemu-img to create a sparse image during + that must contain only zeros for ``qemu-img`` to create a sparse image during conversion. If *SPARSE_SIZE* is 0, the source will not be scanned for unallocated or zero sectors, and the destination image will always be fully allocated. @@ -447,7 +447,7 @@ Command description: If the ``-n`` option is specified, the target volume creation will be skipped. This is useful for formats such as ``rbd`` if the target volume has already been created with site specific options that cannot - be supplied through qemu-img. + be supplied through ``qemu-img``. Out of order writes can be enabled with ``-W`` to improve performance. This is only recommended for preallocated devices like host devices or other @@ -472,7 +472,7 @@ Command description: If the option *BACKING_FILE* is specified, then the image will record only the differences from *BACKING_FILE*. No size needs to be specified in this case. *BACKING_FILE* will never be modified unless you use the - ``commit`` monitor command (or qemu-img commit). + ``commit`` monitor command (or ``qemu-img commit``). If a relative path name is given, the backing file is looked up relative to the directory containing *FILENAME*. @@ -684,7 +684,7 @@ Command description: Safe mode This is the default mode and performs a real rebase operation. The - new backing file may differ from the old one and qemu-img rebase + new backing file may differ from the old one and ``qemu-img rebase`` will take care of keeping the guest-visible content of *FILENAME* unchanged. @@ -697,7 +697,7 @@ Command description: exists. Unsafe mode - qemu-img uses the unsafe mode if ``-u`` is specified. In this + ``qemu-img`` uses the unsafe mode if ``-u`` is specified. In this mode, only the backing file name and format of *FILENAME* is changed without any checks on the file contents. The user must take care of specifying the correct new backing file, or the guest-visible @@ -735,7 +735,7 @@ Command description: sizes accordingly. Failure to do so will result in data loss! When shrinking images, the ``--shrink`` option must be given. This informs - qemu-img that the user acknowledges all loss of data beyond the truncated + ``qemu-img`` that the user acknowledges all loss of data beyond the truncated image's end. After using this command to grow a disk image, you must use file system and diff --git a/docs/tools/qemu-nbd.rst b/docs/tools/qemu-nbd.rst index 726cd189..6031f96 100644 --- a/docs/tools/qemu-nbd.rst +++ b/docs/tools/qemu-nbd.rst @@ -38,7 +38,7 @@ driver options if ``--image-opts`` is specified. supported. The common object types that it makes sense to define are the ``secret`` object, which is used to supply passwords and/or encryption keys, and the ``tls-creds`` object, which is used to supply TLS - credentials for the qemu-nbd server or client. + credentials for the ``qemu-nbd`` server or client. .. option:: -p, --port=PORT @@ -238,7 +238,7 @@ daemon: Expose the guest-visible contents of a qcow2 file via a block device /dev/nbd0 (and possibly creating /dev/nbd0p1 and friends for partitions found within), then disconnect the device when done. -Access to bind qemu-nbd to an /dev/nbd device generally requires root +Access to bind ``qemu-nbd`` to a /dev/nbd device generally requires root privileges, and may also require the execution of ``modprobe nbd`` to enable the kernel NBD client module. *CAUTION*: Do not use this method to mount filesystems from an untrusted guest image - a diff --git a/docs/tools/qemu-storage-daemon.rst b/docs/tools/qemu-storage-daemon.rst index b8ef448..3e5a9dc 100644 --- a/docs/tools/qemu-storage-daemon.rst +++ b/docs/tools/qemu-storage-daemon.rst @@ -10,9 +10,10 @@ Synopsis Description ----------- -qemu-storage-daemon provides disk image functionality from QEMU, qemu-img, and -qemu-nbd in a long-running process controlled via QMP commands without running -a virtual machine. It can export disk images, run block job operations, and +``qemu-storage-daemon`` provides disk image functionality from QEMU, +``qemu-img``, and ``qemu-nbd`` in a long-running process controlled via QMP +commands without running a virtual machine. +It can export disk images, run block job operations, and perform other disk-related operations. The daemon is controlled via a QMP monitor and initial configuration from the command-line. diff --git a/docs/tools/virtiofsd.rst b/docs/tools/virtiofsd.rst index cc31402..07ac0be 100644 --- a/docs/tools/virtiofsd.rst +++ b/docs/tools/virtiofsd.rst @@ -136,8 +136,8 @@ Extended attribute (xattr) mapping By default the name of xattr's used by the client are passed through to the server file system. This can be a problem where either those xattr names are used by something on the server (e.g. selinux client/server confusion) or if the -virtiofsd is running in a container with restricted privileges where it cannot -access some attributes. +``virtiofsd`` is running in a container with restricted privileges where it +cannot access some attributes. Mapping syntax ~~~~~~~~~~~~~~ |