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Lunev" , Jiri Pirko Subject: [PATCH 5/5] docs/interop/prl-xml.rst: Fix minor grammar nits Date: Thu, 1 Aug 2024 18:01:31 +0100 Message-Id: <20240801170131.3977807-6-peter.maydell@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240801170131.3977807-1-peter.maydell@linaro.org> References: <20240801170131.3977807-1-peter.maydell@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::232; envelope-from=peter.maydell@linaro.org; helo=mail-lj1-x232.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1722531795828116600 Content-Type: text/plain; charset="utf-8" Fix some minor grammar nits in the prl-xml documentation. Signed-off-by: Peter Maydell --- docs/interop/prl-xml.rst | 73 +++++++++++++++++++++------------------- 1 file changed, 39 insertions(+), 34 deletions(-) diff --git a/docs/interop/prl-xml.rst b/docs/interop/prl-xml.rst index aacf11f4c44..5bb63bb93a4 100644 --- a/docs/interop/prl-xml.rst +++ b/docs/interop/prl-xml.rst @@ -13,15 +13,15 @@ Parallels Disk Format See the COPYING file in the top-level directory. =20 This specification contains minimal information about Parallels Disk Forma= t, -which is enough to proper work with QEMU. Nevertheless, Parallels Cloud Se= rver -and Parallels Desktop are able to add some unspecified nodes to xml and use +which is enough to properly work with QEMU. Nevertheless, Parallels Cloud = Server +and Parallels Desktop are able to add some unspecified nodes to the xml an= d use them, but they are for internal work and don't affect functionality. Also = it -uses auxiliary xml ``Snapshot.xml``, which allows to store optional snapsh= ot -information, but it doesn't influence open/read/write functionality. QEMU = and -other software should not use fields not covered in this document and -``Snapshot.xml`` file and must leave them as is. +uses auxiliary xml ``Snapshot.xml``, which allows storage of optional snap= shot +information, but this doesn't influence open/read/write functionality. QEM= U and +other software should not use fields not covered in this document or the +``Snapshot.xml`` file, and must leave them as is. =20 -Parallels disk consists of two parts: the set of snapshots and the disk +A Parallels disk consists of two parts: the set of snapshots and the disk descriptor file, which stores information about all files and snapshots. =20 Definitions @@ -29,7 +29,7 @@ Definitions =20 Snapshot a record of the contents captured at a particular time, capable - of storing current state. A snapshot has UUID and parent UUID. + of storing current state. A snapshot has a UUID and a parent UUID. =20 Snapshot image an overlay representing the difference between this @@ -39,13 +39,13 @@ Overlay an image storing the different sectors between two captured states. =20 Root image - snapshot image with no parent, the root of snapshot tree. + a snapshot image with no parent, the root of the snapshot tree. =20 Storage the backing storage for a subset of the virtual disk. When there is more than one storage in a Parallels disk then that is referred to as a split image. In this case every storage - covers specific address space area of the disk and has its + covers a specific address space area of the disk and has its particular root image. Split images are not considered here and are not supported. Each storage consists of disk parameters and a list of images. The list of images always @@ -55,7 +55,7 @@ Storage =20 Description file ``DiskDescriptor.xml`` stores information about disk parameters, - snapshots, storages. + snapshots, and storages. =20 Top Snapshot The overlay between actual state and some previous snapshot. @@ -70,9 +70,9 @@ Description file =20 All information is placed in a single XML element ``Parallels_disk_image``. -The element has only one attribute ``Version``, that must be ``1.0``. +The element has only one attribute, ``Version``, which must be ``1.0``. =20 -Schema of ``DiskDescriptor.xml``:: +The schema of ``DiskDescriptor.xml``:: =20 @@ -100,11 +100,11 @@ The ``Disk_Parameters`` element MUST contain the foll= owing child elements: * ``Heads`` - number of the disk heads. * ``Sectors`` - number of the disk sectors per cylinder (sector size is 512 bytes) - Limitation: Product of the ``Heads``, ``Sectors`` and ``Cylinders`` + Limitation: The product of the ``Heads``, ``Sectors`` and ``Cylinders`` values MUST be equal to the value of the Disk_size parameter. * ``Padding`` - must be 0. Parallels Cloud Server and Parallels Desktop = may - use padding set to 1, however this case is not covered - by this spec, QEMU and other software should not open + use padding set to 1; however this case is not covered + by this specification. QEMU and other software should not open such disks and should not create them. =20 ``StorageData`` element @@ -121,20 +121,20 @@ as shown below:: =20 -A ``Storage`` element has following child elements: +A ``Storage`` element has the following child elements: =20 * ``Start`` - start sector of the storage, in case of non split storage equals to 0. * ``End`` - number of sector following the last sector, in case of n= on split storage equals to ``Disk_size``. * ``Blocksize`` - storage cluster size, number of sectors per one cluster. - Cluster size for each "Compressed" (see below) image in - parallels disk must be equal to this field. Note: cluster - size for Parallels Expandable Image is in ``tracks`` field of + The cluster size for each "Compressed" (see below) image in + a parallels disk must be equal to this field. Note: the cluster + size for a Parallels Expandable Image is in the ``tracks`` field of its header (see :doc:`parallels`). * Several ``Image`` child elements. =20 -Each ``Image`` element has following child elements: +Each ``Image`` element has the following child elements: =20 * ``GUID`` - image identifier, UUID in curly brackets. For instance, ``{12345678-9abc-def1-2345-6789abcdef12}.`` @@ -145,7 +145,7 @@ Each ``Image`` element has following child elements: * ``Plain`` for raw files. * ``Compressed`` for expanding disks. =20 -* ``File`` - path to image file. Path can be relative to +* ``File`` - path to image file. The path can be relative to ``DiskDescriptor.xml`` or absolute. =20 ``Snapshots`` element @@ -171,17 +171,22 @@ Each ``Shot`` element contains the following child el= ements: * ``GUID`` - an image GUID. * ``ParentGUID`` - GUID of the image of the parent snapshot. =20 -The software may traverse snapshots from child to parent using ```` -field as reference. ``ParentGUID`` of root snapshot is -``{00000000-0000-0000-0000-000000000000}``. There should be only one root -snapshot. Top snapshot could be described via two ways: via ``TopGUID`` ch= ild -element of the ``Snapshots`` element or via predefined GUID +The software may traverse snapshots from child to parent using the +```` field as reference. The ``ParentGUID`` of the root +snapshot is ``{00000000-0000-0000-0000-000000000000}``. +There should be only one root snapshot. + +The Top snapshot could be +described via two ways: via the ``TopGUID`` child +element of the ``Snapshots`` element, or via the predefined GUID ``{5fbaabe3-6958-40ff-92a7-860e329aab41}``. If ``TopGUID`` is defined, -predefined GUID is interpreted as usual GUID. All snapshot images -(except Top Snapshot) should be -opened read-only. There is another predefined GUID, +the predefined GUID is interpreted as a normal GUID. All snapshot images +(except the Top Snapshot) should be +opened read-only. + +There is another predefined GUID, ``BackupID =3D {704718e1-2314-44c8-9087-d78ed36b0f4e}``, which is used by -original and some third-party software for backup, QEMU and other -software may operate with images with ``GUID =3D BackupID`` as usual, -however, it is not recommended to use this -GUID for new disks. Top snapshot cannot have this GUID. +original and some third-party software for backup. QEMU and other +software may operate with images with ``GUID =3D BackupID`` as usual. +However, it is not recommended to use this +GUID for new disks. The Top snapshot cannot have this GUID. --=20 2.34.1