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so that one can explicitly disable the vga without having to specify
a serial port as display, this is mostly useful for very special
and custom gpu passthrough setups which have to be specified with
'args' and for setups which do not care about any display (not even serial)
Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
there is nothing that should be really affected by this, but
even then, this option is only for experts and people using this
should know what they are doing
Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
since lspci does not split between id and function anymore,
there is no need to plug id + function together
also we can remove the capture groups from PCIRE
since parse_property_string does this check for us
Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
with this, we are able to create and use mediated devices,
which include Intel GVT-g (aka KVMGT) and Nvidia vGPUs, and probably more
types of devices in the future
Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
we reverse the direction of the event socket (this does not
prevent live migration) and point it to wher qmeventd listens
Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
On arm we start off with a pcie bridge pcie.0. We need a
keyboard in addition to the tablet device, and we need to
connect both to an 'ehci' controller.
To do all this, we also pass the $arch variable through a
whole lot of function calls to ultimately also adapt the
hotplug code to take care of the new keyboard device.
Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
This was never actually used, but we want to use it as
alternative to checking /proc/cpuinfo for 'hvm' on ARM.
Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
with commit 55655ebc32ce4eb3fe52f233ec4ac5926b15603f
we changed $vga to a parsed hash instead of a string
and forgot to check the property type in one place
this fixes an issue where a vm with a gpu passed through
with x-vga=on could not start
Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
we change 'vga' to a property string and add a 'memory' property
with this, the user can better control the memory given to the virtual
gpu, this is especially useful for spice/qxl since high resolutions need
more memory
Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
When enabled, the `ssd` property exposes drives as SSDs (rather than
rotational hard disks) by setting QEMU's `rotation_rate` property [1,
2] on `ide-hd`, `scsi-block`, and `scsi-hd` devices. This is required
to enable support for TRIM and SSD-specific optimizations in certain
guest operating systems that are limited to emulated controller types
(IDE, AHCI, and non-VirtIO SCSI).
This change also unifies the diverging IDE and SATA code paths in
QemuServer::print_drivedevice_full(), which suffered from:
* Code duplication: The only differences between IDE and SATA were in
bus-unit specification and maximum device counts.
* Inconsistent implementation: The IDE code used the new `ide-hd`
and `ide-cd` device types, whereas SATA still relied on the deprecated
`ide-drive` [3, 4] (which doesn't support `rotation_rate`).
* Different feature sets: The IDE code exposed a `model` property that
the SATA code didn't, even though QEMU supports it for both.
[1] https://bugzilla.redhat.com/show_bug.cgi?id=1498042
[2] https://lists.gnu.org/archive/html/qemu-devel/2017-10/msg00698.html
[3] https://www.redhat.com/archives/libvir-list/2012-March/msg00684.html
[4] https://lists.gnu.org/archive/html/qemu-devel/2017-05/msg02024.html
Signed-off-by: Nick Chevsky <nchevsky@gmail.com>
we will use this for the qmeventd, but we have to limit this
to qemu 2.12, because we cannot add this during a live migration
Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
Instead of our own. The code is almost the same, but the
upstream implementation uses qemu's transactional system and
performs a drain() on the block device first. This seems to
help avoid some issues we run into with qcow2 files when
creating snapshots.
Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
do not use $1 do write out config, if code gets added this may easily
get overwritten, as vmgenid is a fixed key just hardcode it.
also move the comment to where it actually belongs
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
This caused a few hiccups with qemu 3.0...
Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
Acked-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
instead of overwriting the 'machine' config in the snapshot,
use its own 'runningmachine' config only for the snapshot
this way, we do not lose the machine type if it was
explicitely set during the snapshot, but deleted afterwards
we also have to adapt the tests for this
Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
> The following are important CPU features that should be used on
> Intel x86 hosts, when available in the host CPU. Some of them
> require explicit configuration to enable, as they are not included
> by default in some, or all, of the named CPU models listed above.
> In general all of these features are included if using “Host
> passthrough” or “Host model”.
>
> pcid: Recommended to mitigate the cost of the Meltdown
> (CVE-2017-5754) fix. Included by default in Haswell, Broadwell &
> Skylake Intel CPU models. Should be explicitly turned on for
> Westmere, SandyBridge, and IvyBridge Intel CPU models. Note that
> some desktop/mobile Westmere CPUs cannot support this feature.
>
> spec-ctrl: Required to enable the Spectre (CVE-2017-5753 and
> CVE-2017-5715) fix, in cases where retpolines are not sufficient.
> Included by default in Intel CPU models with -IBRS suffix. Must be
> explicitly turned on for Intel CPU models without -IBRS suffix.
> Requires the host CPU microcode to support this feature before it
> can be used for guest CPUs.
>
> ssbd: Required to enable the CVE-2018-3639 fix. Not included by
> default in any Intel CPU model. Must be explicitly turned on for
> all Intel CPU models. Requires the host CPU microcode to support
> this feature before it can be used for guest CPUs.
>
> pdpe1gbr: Recommended to allow guest OS to use 1GB size pages.Not
> included by default in any Intel CPU model. Should be explicitly
> turned on for all Intel CPU models. Note that not all CPU hardware
> will support this feature.
-- https://www.berrange.com/posts/2018/06/29/cpu-model-configuration-for-qemu-kvm-on-x86-hosts/
changelog v2:
- remove hash
- remove check if cdrom
if we try to delete a snapshot, and that is disk from the snapshot
is not attached anymore (unused), we can't delete the snapshot
with qemu snapshot delete command (for storage which use it (qcow2,rbd,...))
example:
...
unused0: rbd:vm-107-disk-3
[snap1]
...
scsi2: rbd:vm-107-disk-3,size=1G
-> die
qmp command 'delete-drive-snapshot' failed - Device 'drive-scsi2' not found
If drive is not attached, we need to use the storage snapshot delete command
tells an user what would get touched, so he has a chance to fix
unwanted things before changes are actually made.
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
Else an user has no idea what, or if something happened.
Gets printed to tty when using qm rescan or to tasklog for the case
where we do a rescan after restoring a backup.
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
Unused disk(s) appeared after a rescan of storages. Especially shown
with ceph pools, where two storage entries are made, <storage>_ct and
<storage>_vm. The rescan method did include images from both storages.
This patch filters any storage not containing the content type 'images'.
Signed-off-by: Alwin Antreich <a.antreich@proxmox.com>
when a vm is suspended (e.g. autosuspend on windows)
we detect that it is not running, display the resume button,
but 'cont' does not wakeup the system from suspend
with this we can wake up suspended vms
Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
