2273 Commits

Author SHA1 Message Date
Ani Sinha
54cf221b55 qemu: remove unused function return value
qemuBuildPMPCIRootHotplugCommandLine() returns 0 unconditionally. There is no
failure scenario at present. So clean up the code by removing integer return
from the function and also remove the failure check conditional from the
function call.
Also fix indentation for the above function call while at it.

Signed-off-by: Ani Sinha <ani@anisinha.ca>
Reviewed-by: Laine Stump <laine@redhat.com>
2021-10-25 23:43:31 -04:00
Laine Stump
26e8eda46e Revert "qemu: command: add support for acpi-bridge-hotplug feature"
This reverts commit bef0f0d8be6baa1d9359be208b53d6b8a37ddc95.

Conflicts:
 tests/qemuxml2argvdata/q35-acpi-hotplug-bridge-disable.args

  * this file had been renamed from its original, then renamed back,
    which understandably confused git. It's being completely removed
    here anyway, so the contents don't matter.

 tests/qemuxml2argvtest.c

  * change in context around removed chunk

Signed-off-by: Laine Stump <laine@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Ani Sinha <ani@anisinha.ca>
2021-10-25 23:18:41 -04:00
Laine Stump
d65eb5dd8d Revert "qemu: capabilities: Remove QEMU_CAPS_PIIX4_ACPI_HOTPLUG_BRIDGE"
This reverts commit 618e8665db2e4c1a8e9a227045b99b48f6110c06.

This is the first in a series of 10 commits that revert (in reverse
order) the changes to add the <acpi-hotplug-bridge state='on|off'/>
switch to libvirt domain XML, which unfortunately needs to be removed
due to QEMU developers discovering a flaw with the design of the QEMU
commandline switch used to implement the libvirt switch that will
likely result in a new and different method of selecting hotplug
modes. Because the libvirt switch has not been in any official
releases of libvirt, we are still able to remove it completely, rather
than deprecating it.

The original commits began with commit
58ba0f6a3d7342fba29edbbf2bb9cb5497c870e5. The other original commit
IDs are documented in each revert commit.

Signed-off-by: Laine Stump <laine@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Ani Sinha <ani@anisinha.ca>
2021-10-25 23:18:40 -04:00
Michal Privoznik
857df2fe50 lib: Drop intermediary return variables
In a few places we declare a variable (which is optionally
followed by a code not touching it) then set the variable to a
value and return the variable immediately. It's obvious that the
variable is needless and the value can be returned directly
instead.

This patch was generated using this semantic patch:

  @@
  type T;
  identifier ret;
  expression E;
  @@
  - T ret;
  ... when != ret
      when strict
  - ret = E;
  - return ret;
  + return E;

After that I fixed couple of formatting issues because coccinelle
formatted some lines differently than our coding style.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-10-25 12:48:46 +02:00
Andrea Bolognani
1cb48b00b5 qemu: Make qemuBuildVirtioDevProps() const correct
This involves a bit of a hack, but is overall preferable to
forcing callers to pass non-const devdata as argument.

Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-10-20 16:53:05 +02:00
Andrea Bolognani
8e3d58f245 qemu: Make qemuBuildDeviceAddressProps() const correct
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-10-20 16:53:04 +02:00
Daniel P. Berrangé
f18592adb1 qemu: remove use of implicit boolean syntax for guest features
Some guest features that map to the -cpu arg are still added using
implicit syntax "feature" which is a deprecated shorthand for
"feature=on".

Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2021-10-20 13:19:49 +01:00
Daniel P. Berrangé
e28ce3885d qemu: inline the qemuBuildCpuFeature code
With the previous refactorings, there's no real benefit from the
qemuBuildCpuFeature helper method. Only one of the callers really
needs the CPU feature name re-writing logic, the others can just
use the right name directly.

Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2021-10-20 13:19:37 +01:00
Daniel P. Berrangé
ff3e93a26b qemu: remove use of (+|-)name syntax for -cpu featres
The -cpu arg gained support for feature=on|off syntax for the x86
emulator in 2.4.0

  commit 38e5c119c2925812bd441450ab9e5e00fc79e662
  Author: Eduardo Habkost <ehabkost@redhat.com>
  Date:   Mon Mar 23 17:29:32 2015 -0300

    target-i386: Register QOM properties for feature flags

Most other targets gained this syntax even earlier in 1.4.1

  commit 1590bbcb02921dfe8e3cf66e3a3aafd31193babf
  Author: Andreas Färber <afaerber@suse.de>
  Date:   Mon Mar 3 23:33:51 2014 +0100

    cpu: Implement CPUClass::parse_features() for the rest of CPUs

    CPUs who do not provide their own implementation of feature parsing
    will treat each option as a QOM property and set it to the supplied
    value.

There appears no reason to keep supporting "+|-feature" syntax,
given the current minimum QEMU version.

Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2021-10-20 13:01:41 +01:00
Daniel P. Berrangé
a81784ea3a qemu: always use hyphens in hyperv feature names
QEMU switched from using underscores in x86 CPU features to hyphens
in the 2.8.0 series with two commits

  commit fc7dfd205f3287893c436d932a167bffa30579c8 (HEAD, refs/bisect/bad)
  Author: Eduardo Habkost <ehabkost@redhat.com>
  Date:   Fri Sep 30 15:49:40 2016 -0300

    target-i386: Remove underscores from feat_names arrays

  commit 54b8dc7c19cd781e96f1e9b001ca6001d804eb19
  Author: Eduardo Habkost <ehabkost@redhat.com>
  Date:   Fri Sep 30 15:49:38 2016 -0300

    target-i386: Register aliases for feature names with underscores

Libvirt names use underscores so we conditionally tranlate the
names when talking to new QEMU. Since the min QEMU was raised to
version 2.11.0, all QEMU versions we talk to expect hypens, so
the translation can be done unconditionally.

Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2021-10-20 13:01:33 +01:00
Han Han
d139171d80 qemu: Add support for virtio device option page-per-vq
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1925363

Signed-off-by: Han Han <hhan@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
2021-10-15 09:40:58 +02:00
Peter Krempa
926864ba45 qemuBuildFloppyCommandLineControllerOptionsExplicit: Generate via JSON
QEMU declares the bootindex types as:

  bootindexA=<int32>
  bootindexB=<int32>

The driveA/driveB parameters were deprecated and removed in qemu-6.0.
We'll keep them for compatibility, but they are not used with -blockdev.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-10-12 20:54:53 +02:00
Peter Krempa
245e8a12fd qemuBuildFloppyCommandLineControllerOptions: Extract formatting of implicit/explicit fdc
qemuBuildFloppyCommandLineControllerOptions was generating config for
both the implicit and explicit fdc. The explicit FDC is using '-device'
and thus will need to be converted to JSON.

Split up the lookup of the floppy drive configs from the actual command
generation.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-10-12 20:54:53 +02:00
Peter Krempa
9e359909d5 qemuBuildSmartcardCommandLine: Generate via JSON
QEMU declares the props we control as:

'ccid-card-emulated'
  backend=<str>
  cert1=<str>
  cert2=<str>
  cert3=<str>
  db=<str>

'ccid-card-passthru'
  chardev=<str>          - ID of a chardev to use as a backend

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-10-12 20:54:53 +02:00
Peter Krempa
cefa20b727 qemuBuildIOMMUCommandLine: Generate via JSON
QEMU declares the following types for fields we control:

  intremap=<OnOffAuto>   - on/off/auto (default: "auto")
  caching-mode=<bool>    -  (default: false)
  eim=<OnOffAuto>        - on/off/auto (default: "auto")
  device-iotlb=<bool>    -  (default: false)
  aw-bits=<uint8>        -  (default: 39)

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-10-12 20:54:53 +02:00
Peter Krempa
5d51f836b0 qemuBuildVMCoreInfoCommandLine: Generate via JSON
While this device doesn't have any properties it must be converted to
use qemuBuildDeviceCommandlineFromJSON so that we can validate it in the
future.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-10-12 20:54:53 +02:00
Peter Krempa
5e24a5021c qemuBuildTPMProxyCommandLine: Generate via JSON
All properties are strings according to QEMU.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-10-12 20:54:53 +02:00
Peter Krempa
304ffa2dff qemuBuildVMGenIDCommandLine: Generate via JSON
QEMU declares the 'guid' property as:

  guid=<str>             - UUID (aka GUID) or "auto" for random value (default) (default: "auto")

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-10-12 20:54:53 +02:00
Peter Krempa
1b61610784 qemuValidateDomainSmartcardDef: Move validation of smartcard count
Move it into the validator. Note that the placement into the device
validation part is intentional so that it also covers hotplug code
paths.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-10-12 20:54:53 +02:00
Peter Krempa
b4026d9509 qemuBuildSmartcardCommandLine: Replace qemuBuildSmartcardFindCCIDController
We have a commonly used helper virDomainControllerAliasFind, which does
the same thing and also reports errors internally.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-10-12 20:54:53 +02:00
Peter Krempa
43d48eebf9 virDomainSmartcardDef: Declare 'type' as virDomainSmartcardType
Use 'virXMLPropEnum' to parse it and fix all switch statements which
didn't include the VIR_DOMAIN_SMARTCARD_TYPE_LAST case.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-10-12 20:54:53 +02:00
Peter Krempa
5dc34a44a4 qemuBuildDeviceCommandlineFromJSON: Remove unused keyword
Now that the code was converted to use this helper we can remove it.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-10-12 20:54:53 +02:00
Peter Krempa
58d915b2d3 qemuBuildStorageSourceAttachPrepareDrive: Fix function comment
Remove mention of argument which no longer exists.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-10-12 20:54:53 +02:00
Peter Krempa
3ba4d96736 qemu: command: Remove unused 'qemuBuildDeviceAddressStr'
All users were converted to the JSON counterpart.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-10-12 11:11:13 +02:00
Peter Krempa
89ba187943 qemuBuildTPMCommandLine: Generate via JSON
We control only the 'tpmdev' property of TPM devices which is a string.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-10-12 11:11:13 +02:00
Peter Krempa
173b990a82 qemuBuildHubCommandLine: Generate via JSON
The 'usb-hub' device doesn't have any special properties.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-10-12 11:11:13 +02:00
Peter Krempa
39f181dacc qemuBuildSoundCommandLine: Generate codecs via JSON
The codec devices have the following properties we control:
  cad=<uint32>           -  (default: 4294967295)
  audiodev=<str>         - ID of an audiodev to use as a backend

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-10-12 11:11:13 +02:00
Peter Krempa
e79e862a6c qemuBuildSoundCommandLine: Generate via JSON
The sound devices have only the 'audiodev' property which is a string.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-10-12 11:11:13 +02:00
Peter Krempa
870427e0c4 qemu: Command remove unused 'qemuBuildVirtioDevStr'
All virtio devices were converted to the new JSON formatter so we can
remove the old one.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-10-12 11:11:13 +02:00
Peter Krempa
6e9231d6c0 qemuBuildVideoCommandLine: Generate via JSON
We control the following properties of the devices in question:

'virtio-gpu'
  virgl=<bool>           - on/off (default: true)

'qxl'
  ram_size=<uint32>      -  (default: 67108864)
  vram_size=<uint64>     -  (default: 67108864)
  vram64_size_mb=<uint32> -  (default: 4294967295)
  vgamem_mb=<uint32>     -  (default: 16)
  max_outputs=<uint16>   -  (default: 0)

'vhost-user-gpu'
  max_outputs=<uint32>   -  (default: 1)
  chardev=<string>

'VGA'
  vgamem_mb=<uint32>     -  (default: 16)

'bochs-display'
  vgamem=<size>          -  (default: 16777216)

common for all devices:
  xres=<uint32>          -  (default: 0)
  yres=<uint32>          -  (default: 0)

The only noticable change is using memory size in bytes for
'bochs-display' instead of kibibytes.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-10-12 11:11:13 +02:00
Peter Krempa
a8fec8848c qemuBuildFSDevCommandLine: Generate via JSON
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-10-12 11:11:13 +02:00
Peter Krempa
7ef62d7d57 qemuBuildVHostUserFsCommandLine: Generate via JSON
The 'vhost-user-fs-pci' has following properties we control:
  chardev=<str>          - ID of a chardev to use as a backend
  queue-size=<uint16>    -  (default: 128)
  tag=<str>
  bootindex=<int32>

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-10-12 11:11:13 +02:00
Peter Krempa
3b4cc1d5a6 qemuBuildVsockCommandLine: Generate via JSON
Build the properties of 'vhost-vsock' device via JSON. In comparison to
previous similar refactors this also modifies the hotplug code to attach
the vhost fd handle explicitly rather than using
'qemuMonitorAddDeviceWithFd'.

The properties of vhost-vsock have the following types according to
QEMU:

  guest-cid=<uint64>     -  (default: 0)
  vhostfd=<str>

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-10-12 11:11:13 +02:00
Peter Krempa
44b52c18e3 qemuBuildHostdevCommandLine: Generate via JSON
Build the properties of 'vhost-scsi' device via JSON. In comparison to
previous similar refactors this also modifies the hotplug code to attach
the vhost fd handle explicitly rather than using
'qemuMonitorAddDeviceWithFd'.

The 'vhost-scsi' device doesn't have any special (non-string) properties.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-10-12 11:11:13 +02:00
Peter Krempa
9ac91fcceb qemuBuildChrDeviceCommandLine: Generate via JSON
Build commandlines for character devices via JSON.

For devices using 'VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_SERIAL' address
type 'qemuBuildDeviceAddressProps' will now generate the address. The
only special property is 'nr'. QEMU declares it as:

  nr=<uint32>            -  (default: 4294967295)

The test fallout is caused by formatting addresses as decimal numbers
instead of hex as described in the commit which added
'qemuBuildDeviceAddressProps'.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-10-12 11:11:13 +02:00
Peter Krempa
a0d70f96ca qemuBuildControllersByTypeCommandLine: Generate via JSON
The handlers for PCI, SCSI and USB controllers already use JSON
internally. This patch converts 'virtio-serial', 'ccid' and 'sata' to do
the same and passes out the JSON directly so that it can be used in
monitor code to avoid conversion.

From the controllers converted in this patch only 'virtio-serial' has
special properties. QEMU thinks they have the following types:

  max_ports=<uint32>     -  (default: 31)
  vectors=<uint32>       -  (default: 2)

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-10-12 11:11:12 +02:00
Peter Krempa
4a8319225c qemuBuildUSBControllerDevStr: Format via JSON properties.
Internally format the PCI controller properties into JSON, but convert
it back to a string as preparation for upcoming refactors.

The following types are declared for the properties we use by QEMU:

'nec-usb-xhci'
  p2=<uint32>            -  (default: 4)
  p3=<uint32>            -  (default: 4)

'ich9-usb-uhci6'
  masterbus=<str>
  firstport=<uint32>     -  (default: 0)

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-10-12 11:10:44 +02:00
Peter Krempa
3e8d38237d qemuBuildUSBControllerDevStr: Split out validation of USB controller
Move the validation code into a separate function. For now the
validation is still kept in the commandline format step as simply just
moving it to the validator causes failures in the test suite, which will
need to be investigated deeper.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-10-12 10:26:05 +02:00
Peter Krempa
d8f04f1575 qemuBuildControllerPCIDevStr: Format via JSON properties
Internally format the PCI controller properties into JSON, but convert
it back to a string so that we for now change just the SCSI controller.

The change in tests is expected as the 'port' field for various PCI
controllers is expected to be a number and thus can't be represented as
a hexadecimal value in JSON.

QEMU expects the following types:

'pci-bridge'
  chassis_nr=<uint8>     -  (default: 0)

'pxb-pcie':
  bus_nr=<uint8>         -  (default: 0)

'pcie-root-port'
  port=<uint8>           -  (default: 0)
  chassis=<uint8>        -  (default: 0)
  hotplug=<bool>         -  (default: true)

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-10-12 10:26:05 +02:00
Peter Krempa
626df95907 qemuBuildControllerSCSIDevStr: Format via JSON properties
Internally format the SCSI controller properties into JSON, but convert
it back to a string so that we for now change just the SCSI controller.

The change in tests is expected as the 'reg' field for a spapr-vio
address is expected to be a number:

  $ qemu-system-ppc64 -device spapr-vscsi,help
  spapr-vscsi options:
    reg=<uint32>           -  (default: 4294967295)

The hand-rolled generator used hex representation but that will not be
possible on the monitor via JSON.

The properties of 'virtio-scsi' have following types according to QEMU:

  iothread=<link<iothread>>
  num_queues=<uint32>    -  (default: 4294967295)
  cmd_per_lun=<uint32>   -  (default: 128)
  max_sectors=<uint32>   -  (default: 65535)
  ioeventfd=<bool>       - on/off (default: true)

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-10-12 10:26:05 +02:00
Peter Krempa
c3b55a576b qemuBuildControllerDevStr: Split out formatting of PCI controller
Move the code into a new function called qemuBuildControllerPCIDevStr
so that the code is self contained and the original function easier to
follow.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-10-12 10:26:05 +02:00
Peter Krempa
7ac265bcd4 qemuBuildControllerDevStr: Split out formatting of SCSI controller
Move the code into a new function called qemuBuildControllerSCSIDevStr
so that the code is self contained and the original function easier to
follow.

This patch also moves the formatting of the properties relevant only for
the 'virtio-scsi' controller to the specific case so it's more clear
where they belong to.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-10-12 10:26:05 +02:00
Peter Krempa
49f199f3fd qemu: command: Remove unused qemuBuildRomStr
Now that all users were converted to qemuBuildRomProps we can remove the
old code and un-mark qemuBuildRomProps as unused.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-10-12 10:26:05 +02:00
Peter Krempa
e840ed6f3d qemuBuildNicDevProps: Move formatting of bootindex
Move the bootindex before the address so that the code is simpler.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-10-12 10:26:05 +02:00
Peter Krempa
ee996fbf7a qemuBuildInterfaceCommandLine: Generate via JSON
virtio-net-pci specific properties and their types according to QEMU:
  tx=<str>
  ioeventfd=<bool>       - on/off (default: true)
  event_idx=<bool>       - on/off (default: true)
  csum=<bool>            - on/off (default: true)
  gso=<bool>             - on/off (default: true)
  host_tso4=<bool>       - on/off (default: true)
  host_tso6=<bool>       - on/off (default: true)
  host_ecn=<bool>        - on/off (default: true)
  host_ufo=<bool>        - on/off (default: true)
  mrg_rxbuf=<bool>       - on/off (default: true)
  guest_csum=<bool>      - on/off (default: true)
  guest_tso4=<bool>      - on/off (default: true)
  guest_tso6=<bool>      - on/off (default: true)
  guest_ecn=<bool>       - on/off (default: true)
  guest_ufo=<bool>       - on/off (default: true)
  mq=<bool>              - on/off (default: false)
  vectors=<uint32>       -  (default: 4294967295)
  rx_queue_size=<uint16> -  (default: 256)
  tx_queue_size=<uint16> -  (default: 256)
  host_mtu=<uint16>      -  (default: 0)
  failover=<bool>        -  (default: false)

properties common for all network interfaces:
  netdev=<str>           - ID of a netdev to use as a backend
  mac=<str>              - Ethernet 6-byte MAC Address, example: 52:54:00:12:34:56
  bootindex=<int32>

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-10-12 10:26:04 +02:00
Peter Krempa
dc481f11a6 qemuBuildDiskCommandLine: Generate via JSON
The types for the special fields of the 'virtio-blk-pci' according to
QEMU are:
  iothread=<link<iothread>>
  ioeventfd=<bool>       - on/off (default: true)
  event_idx=<bool>       - on/off (default: true)
  scsi=<bool>            - on/off (default: false)
  num-queues=<uint16>    -  (default: 65535)
  queue-size=<uint16>    -  (default: 256)

For all disks we also use the following properties (based on 'scsi-hd'):
  device_id=<str>
  share-rw=<bool>        -  (default: false)
  drive=<str>            - Node name or ID of a block device to use as a backend
  chardev=<str>          - ID of a chardev to use as a backend  <-  vhost-user-blk-pci
  bootindex=<int32>
  logical_block_size=<size> - A power of two between 512 B and 2 MiB (default: 0)
  physical_block_size=<size> - A power of two between 512 B and 2 MiB (default: 0)
  wwn=<uint64>           -  (default: 0)
  rotation_rate=<uint16> -  (default: 0)
  vendor=<str>
  product=<str>
  removable=<bool>       - on/off (default: false)
  write-cache=<OnOffAuto> - on/off/auto (default: "auto")
  cyls=<uint32>          -  (default: 0)
  heads=<uint32>         -  (default: 0)
  secs=<uint32>          -  (default: 0)
  bios-chs-trans=<BiosAtaTranslation> - Logical CHS translation algorithm, auto/none/lba/large/rechs (default: "auto") <- ide-hd
  serial=<str>
  werror=<BlockdevOnError> - Error handling policy, report/ignore/enospc/stop/auto (default: "auto")
  rerror=<BlockdevOnError> - Error handling policy, report/ignore/enospc/stop/auto (default: "auto")

The 'wwn' field is changed from a hex string to a number since qemu
actually treats it as a number.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-10-12 10:26:04 +02:00
Peter Krempa
d06e3000c4 qemuBuildDiskFrontendAttributeErrorPolicy: Extract logic
Extract the logic to determine the actual settings into
'qemuBuildDiskGetErrorPolicy' so that it can be reused when we'll
convert the disk -device formatter to JSON.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-10-12 10:26:04 +02:00
Peter Krempa
ea0f408474 qemu: Always assume presence of QEMU_CAPS_VIRTIO_(BLK|NET)_EVENT_IDX
The 'event_idx' option for virtio devices was introduced by QEMU commit
bcbabae8f which is contained in v0.15.0-rc0 and can't be compiled out,
thus we don't need to conditionally enable it.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-10-12 10:26:04 +02:00
Peter Krempa
756ce0e50c qemuBuildIoEventFdStr: Always assume support for QEMU_CAPS_VIRTIO_IOEVENTFD
The support for the 'ioeventfd' knob of virtio devices was introduced by
QEMU commit 25db9ebe15125 contained in v0.14.0-rc0 and it can't be
compiled out. Thus libvirt can assume it's support and remove
conditional code.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-10-12 10:26:04 +02:00
Peter Krempa
6c3a85648c qemuBuildSCSIHostdevDevProps: Reorder 'drive','id' and 'bootindex' after address
Simplify the generator by shuffling around few fields.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-10-12 10:26:04 +02:00