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  • ...ing for a mergable block at offset. Once it is able to merge at least one block, it will the number of bytes scanned and merged which can then be added to
    2 KB (304 words) - 14:44, 11 October 2016
  • #REDIRECT [[ToDo/Block]]
    24 B (3 words) - 15:53, 11 October 2016
  • Rebase a block image file in another location while a guest is running.
    2 KB (201 words) - 14:44, 11 October 2016
  • = Block Crypto Driver = The block crypto driver provides support for full disk encryption at the block layer. At time of writing it supports the LUKSv1 format.
    3 KB (538 words) - 14:34, 6 September 2016

Page text matches

  • - block: Handle multiwrite errors only when all requests have completed - block: Fix early failure in multiwrite
    42 KB (6,720 words) - 12:21, 18 February 2011
  • * Support for network boot, see http://wiki.qemu-project.org/Features/S390xNetworkBoot ==== Block devices ====
    13 KB (1,919 words) - 09:03, 19 April 2017
  • === [[Features/VNC_Tight_PNG|Tight PNG]] === ...the queue will be threaded and (hopefully) send_framebuffer_update() won't block the guest execution anymore.
    4 KB (662 words) - 07:54, 13 October 2016
  • ...the internal implementation of QMP to simplify maintainability and enable features such as asynchronous command completion and rich error reporting. Minimize # @device: This is normally the name of a block device but it may also be 'vnc'.
    16 KB (2,377 words) - 18:10, 2 April 2015
  • * A thin layer sits between device emulation and net/block layer |Storage replication QEMU's block migration or others
    4 KB (636 words) - 14:45, 11 October 2016
  • ...scales to several hundreds nodes, and supports advanced volume management features such as snapshot, cloning, and thin provisioning. ...no central node such as a meta-data server. This design enables following features.
    2 KB (247 words) - 14:55, 11 October 2016
  • * Host floppy device pass-through (block driver "host_floppy") is deprecated, and will be dropped in a future releas * Block device parameter aio=native has no effect without cache.direct=on. It will
    13 KB (2,067 words) - 17:11, 2 December 2015
  • '''ICH9 block diagram''' '''Intel Edison block diagram'''
    2 KB (241 words) - 11:20, 27 May 2015
  • * Don't allow multiwrites against a block device without underlying medium {{git|a0af597d00c27741a0bf99720209def055f4 * Various bug fixes, no new features.
    16 KB (2,781 words) - 08:34, 12 October 2016
  • * Both to be solved by block-queue ...when the old one is full - and that one we don't even read, but write, so block-queue will help
    4 KB (552 words) - 08:57, 12 October 2016
  • ...QAPI/GuestAgent Guest Agent]. Please check the guest [http://wiki.qemu.org/Features/QAPI/GuestAgent Guest Agent] page for design and implementation details. The two main guest agent features of interest to live snapshots are:
    21 KB (3,274 words) - 14:58, 11 October 2016
  • ...l future writes will be redirected into a separate location. The previous block device has a consistent state whereas it represents a point-in-time snapsho The merge_disk command will copy the allocated block content into the backing file and once the image is empty, reopen the backi
    4 KB (663 words) - 14:43, 11 October 2016
  • ==Outstanding features== * Block device support (i.e. QED on LVM volumes)
    3 KB (397 words) - 14:45, 11 October 2016
  • uint64_t features; /* format feature bits */ /* if (features & QED_F_BACKING_FILE) */
    9 KB (1,374 words) - 14:45, 11 October 2016
  • ...n a VM writes to a data block, the lower layers decide where to store that block. Traditionally, storage allocation is done twice, first by an image format .../ext4, reiserFS, Reiser4, XFS, JFS, VMFS, ZFS, etc) provide many different features and are optimized for different objectives (flash wear leveling, seek dista
    5 KB (875 words) - 14:45, 11 October 2016
  • ..., and the bit is 1 if the block is in the FVD image. The default size of a block is 64KB, same as the cluster size of QCOW2. To represent the state of a 1TB =Important Features=
    4 KB (688 words) - 14:45, 11 October 2016
  • [[Features/QED | QED]] is another new QEMU image format. Below is the FVD developer’ .../ext4, reiserFS, Reiser4, XFS, JFS, VMFS, ZFS, etc) provide many different features and are optimized for different objectives (flash wear leveling, seek dista
    8 KB (1,278 words) - 14:45, 11 October 2016
  • features that change the format in an incompatible way, so that older increase in order to introduce some incompatible features, however it's
    9 KB (1,281 words) - 10:12, 9 September 2016
  • Block jobs, and other QAPI operations, may modify and impact the operations safely, we need a mechanism to block and gate operations,
    4 KB (709 words) - 18:15, 14 September 2016
  • Future qemu is expected to support these features (some already implemented): = Live features =
    21 KB (3,397 words) - 15:04, 11 October 2016
  • ..., Ceph). On Linux the cgroups blkio-controller supports I/O throttling on block devices but is a relatively recent feature. More importantly, there is no The disk I/O limits feature introduces QEMU block layer I/O limits together with command-line and QMP interfaces for configur
    1 KB (211 words) - 14:54, 11 October 2016
  • easy to understand and implement. The fine-grained features are marked Requests that exceed the current limit must be queued since block I/O is
    4 KB (631 words) - 15:41, 11 October 2016
  • ...registers mean we can boot more recent Linux kernels that probe for these features * Removed dependency on external kernel headers, all supported KVM features are now built into the binary
    8 KB (1,151 words) - 06:40, 13 October 2011
  • Supporting asynchronous I/O in the NBD block device and qemu-nbd server makes it easier to use high-performance remote s ...for using remote storage within QEMU. NBD can also be coupled with other features such as streaming or copy-on-read. However, the NBD implementation in QEMU
    932 B (132 words) - 14:56, 11 October 2016
  • ...s without a native code generator can use the TCG interpreter (TCI). See [[Features/TCI]] for more information. == Block devices (disks) ==
    6 KB (908 words) - 20:51, 17 February 2012
  • ====Coroutines in the block layer [Kevin]==== * Programming model to simplify block drivers without blocking QEMU threads
    4 KB (580 words) - 08:43, 12 October 2016
  • == Block subsystem == * Tested all 9p file system ( security models, features like mmap, locking, posixacl, zerocopy) using the basic fs tests, I/O and s
    7 KB (1,052 words) - 16:41, 29 November 2011
  • * Fixed block load instructions regression happened in 1.0 release. ...g a pflash drive. This feature is not supported when KVM is enabled. See [[Features/PC System Flash]] for more information.
    8 KB (1,276 words) - 05:38, 3 June 2012
  • * [[Features/QTest|QTest]]-based tests, which inject predefined stimuli into the device * [[Testing/QemuIoTests|qemu-iotests]], a regression test suite for the block layer code.
    8 KB (1,206 words) - 17:22, 15 November 2017
  • ...different patch series posted on the mailing list sparked a discussion on block device operations One is Jeff Cody's multiple-device snapshot series, documented [[Features/SnapshotsMultipleDevices|here]].
    5 KB (591 words) - 08:39, 12 October 2016
  • ...or Mode Execution Prevention) and SMAP (Supervisor Mode Access Prevention) features of newer x86 processors. ...se, bmi1, hle, avx2, smep, bmi2, erms, invpcid, rtm) and "Opteron_G5" (new features: tbm, f16c, fma)
    6 KB (951 words) - 16:38, 15 January 2013
  • More detail: [[Features/Real rng device]] ...e amount of entropy the host has to give. Doing mouse, keyboard, network, block activity on the host will accelerate the speed with which the host can give
    6 KB (994 words) - 16:08, 17 October 2016
  • * Various minor bugfixes; no new features in this release. === Block devices ===
    4 KB (589 words) - 12:24, 19 February 2013
  • ...ill in the configuration files, and no way to express dependencies between features. The project seeks to adopt Linux's Kconfig in QEMU, and possibly to impro Useful features which can be added:
    17 KB (2,629 words) - 15:07, 16 February 2016
  • ...cpu-add QMP command. More details [[Features/CPUHotplug#cpu-add_interface|Features/CPUHotplug]]. ...ltered-features" to allow introspection of supported and not supported CPU features.
    7 KB (1,120 words) - 18:28, 27 May 2013
  • ...It should integrate into the existing build system. Currently, we allow features to be specified in for inclusion in a boolean fashion (either 'y' or 'n' to ...mechanism to support third party extensions to QEMU or out of tree drivers/features
    9 KB (1,464 words) - 19:33, 11 August 2016
  • ...ts/qemu-iotests/. It contains test for disk image formats and block layer features. ...lative to the build directory) is the script to run tests. Tests exercise block I/O operations using qemu-img(1), qemu-io(1), and sometimes by running QEMU
    2 KB (298 words) - 10:00, 12 October 2016
  • ==== Block devices ==== ...and can be used by firmware directly. This will in the future enable new features without modifications of all firmware components (SeaBIOS, OVMF, CoreBoot)
    4 KB (563 words) - 11:31, 10 December 2013
  • * Initial support for KVM on AArch64 systems (some features such as migration are not yet implemented) ...5420 is needed. In particular hotplug, pvpanic device and other ACPI based features now work for OVMF.
    10 KB (1,572 words) - 19:24, 16 April 2014
  • To record and replay block operations the drive must be configured ==Features to add==
    4 KB (568 words) - 08:17, 2 March 2017
  • ...contains block layer and storage features that have been proposed. These features may not be in active development and questions about them should be address *** Enforce that new QMP/QAPI commands and block jobs add themselves to the matrix
    17 KB (2,627 words) - 10:39, 6 September 2017
  • ...than q35 does (e.g. interrupt remapping). As time permits, some additional features could already be added so that q35 could be manually configured to expose t Minimally required VT-d features for q35 are:
    19 KB (3,009 words) - 15:08, 16 February 2016
  • ...utomatically expanded into the compiling and the linking commands. E.g. in block/Makefile.objs: ...are needed to make reporting of block job error events robust (otherwise, block jobs just disappear and, if management misses BLOCK_JOB_COMPLETED events, i
    8 KB (1,232 words) - 18:25, 23 November 2017
  • * New "invtsc" (Invariant TSC) CPU feature. When enabled, this will block migration and savevm, so it is not enabled by default on any CPU model. To === Block devices in system emulation ===
    10 KB (1,454 words) - 10:42, 29 July 2014
  • ...MODEL'',enforce", of course as long as TCG or KVM support the CPU's set of features. Previously, a few CPUs included extraneous CPUID flags that cause "-cpu '' === Block devices in system emulation ===
    7 KB (980 words) - 15:30, 14 December 2014
  • ...e. Only x3270 is supported as client. See https://wiki.qemu.org/index.php/Features/3270 for details. ...vfio-ccw (channel device passthrough). See https://wiki.qemu.org/index.php/Features/Channel_I/O_Passthrough for details.
    11 KB (1,614 words) - 18:24, 24 August 2017
  • There are several features still pending: Persistence is the ability to save dirty block information to persistent storage in order to completely shut down QEMU wit
    26 KB (4,021 words) - 23:28, 21 February 2017
  • * Host floppy device pass-through (block driver “host_floppy”) has been removed; it is still possible to use the * Block device parameter aio=native has no effect without cache.direct=on. It will
    13 KB (2,001 words) - 11:33, 17 December 2015
  • | [[Planning/SoftFeatureFreeze|Soft feature freeze]]. All features should have patches on the list by this date; major features should
    4 KB (636 words) - 08:31, 12 October 2016
  • * Specifying block device parameter aio=native is now an error on POSIX systems if qemu is com ...command blockdev-add is still a work in progress. It doesn't support all block drivers, it lacks a matching blockdev-del, and more. It might change incom
    20 KB (2,998 words) - 09:09, 19 July 2016

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