Ján Tomko [Tue, 12 Oct 2021 13:31:22 +0000 (15:31 +0200)]
qemu: correctly pass qemuBuildVHostUserFsDevProps
../../work/libvirt/src/qemu/qemu_hotplug.c: In function ‘qemuDomainAttachFSDevice’:
../../work/libvirt/src/qemu/qemu_hotplug.c:3458:68: error: ordered comparison of pointer with integer zero [-Werror=extra]
3458 | if (qemuBuildVHostUserFsDevProps(fs, vm->def, charAlias, priv) < 0)
| ^
cc1: all warnings being treated as errors
Fixes: b98787303498cfb8426ab27ee62247b164101242 Signed-off-by: Ján Tomko <jtomko@redhat.com>
- New machine types for the 6.2 cycle were added
- MEM_UNPLUG_ERROR event was deprecated and replaced by
DEVICE_UNPLUG_GUEST_ERROR
- Intel SGX related commands and devices added
- 'copy-before-write' blockdev filter was added
- 'memory-backend-epc' was added
- new cpu flags
Signed-off-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Peter Krempa [Tue, 5 Oct 2021 16:42:39 +0000 (18:42 +0200)]
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>
Peter Krempa [Tue, 5 Oct 2021 14:23:19 +0000 (16:23 +0200)]
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>
Peter Krempa [Tue, 5 Oct 2021 13:39:42 +0000 (15:39 +0200)]
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>
Peter Krempa [Tue, 5 Oct 2021 13:39:42 +0000 (15:39 +0200)]
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>
Peter Krempa [Tue, 5 Oct 2021 13:24:58 +0000 (15:24 +0200)]
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:
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>
Peter Krempa [Tue, 5 Oct 2021 12:27:36 +0000 (14:27 +0200)]
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:
Peter Krempa [Tue, 5 Oct 2021 11:02:02 +0000 (13:02 +0200)]
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>
Peter Krempa [Mon, 4 Oct 2021 21:07:44 +0000 (23:07 +0200)]
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.
Peter Krempa [Mon, 4 Oct 2021 20:27:12 +0000 (22:27 +0200)]
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>
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>
Peter Krempa [Mon, 4 Oct 2021 14:54:54 +0000 (16:54 +0200)]
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>
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>
Peter Krempa [Mon, 4 Oct 2021 13:34:26 +0000 (15:34 +0200)]
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>
Peter Krempa [Mon, 4 Oct 2021 13:17:35 +0000 (15:17 +0200)]
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>
Peter Krempa [Mon, 4 Oct 2021 12:44:09 +0000 (14:44 +0200)]
qemu: validate: Move disk address validation code
Move the code from 'qemuValidateDomainDeviceDefDiskFrontend' into
'qemuValidateDomainDeviceDefAddressDrive' which is called from
'qemuValidateDomainDeviceDefAddress' so that we have all address
validation code together.
This also allows us to remove the inline validation inside
'qemuBuildSCSIHostdevDevStr'.
Signed-off-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
Peter Krempa [Fri, 1 Oct 2021 20:28:59 +0000 (22:28 +0200)]
qemuBuildHostdevCommandLine: Format PCI host devices via JSON
For properties we use these are the QEMU types:
host=<str> - Address (bus/device/function) of the host device, example: 04:10.0
bootindex=<int32>
failover_pair_id=<str>
Signed-off-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
Peter Krempa [Thu, 30 Sep 2021 16:07:29 +0000 (18:07 +0200)]
qemuBuildRNGCommandLine: Generate via JSON
The 'virtio-rng' has the following property types according to QEMU:
rng=<link<rng-backend>>
max-bytes=<uint64> - (default: 9223372036854775807)
period=<uint32> - (default: 65536)
Signed-off-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
Peter Krempa [Thu, 30 Sep 2021 15:55:49 +0000 (17:55 +0200)]
qemuBuildMemballoonCommandLine: Generate via JSON
The generated properties have the following types according to QEMU:
deflate-on-oom=<bool> - on/off (default: false)
free-page-reporting=<bool> - on/off (default: false)
Signed-off-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
Peter Krempa [Mon, 27 Sep 2021 17:26:32 +0000 (19:26 +0200)]
qemuBuildShmemCommandLine: Generate via JSON
Note that the legacy 'ivshmem' device was already removed upstream, but
it's converted so that the code is identical.
For the two modern devices QEMU considers the properties being of
following types:
'ivshmem-doorbell'
chardev=<str> - ID of a chardev to use as a backend
ioeventfd=<bool> - on/off (default: true)
master=<OnOffAuto> - on/off/auto (default: "off")
vectors=<uint32> - (default: 1)
Peter Krempa [Fri, 1 Oct 2021 20:18:39 +0000 (22:18 +0200)]
qemu: command: Introduce JSON variant of qemuBuildRomProps
Add a JSON variant of the generator 'rom' properties. For convenience
both the old and new are for now marked as unused, which will be removed
once the conversion is complete.
The formatted properties have following types according to QEMU.
'virtio-blk-pci' was used as an example:
rombar=<uint32> - (default: 1)
romfile=<str>
Signed-off-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
Peter Krempa [Sat, 25 Sep 2021 07:08:05 +0000 (09:08 +0200)]
qemu: command: Introduce helper for building JSON props of -device into commandline
The helper converts the JSON object to a string and adds it to the
current command as arguments of '-device'. The helper also prepares for
'-device' taking JSON directly.
Signed-off-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
Peter Krempa [Thu, 30 Sep 2021 15:55:45 +0000 (17:55 +0200)]
qemu: command: Introduce JSON variant of qemuBuildVirtioDevStr
Add a JSON variant of the generator of properties for virtio devices.
For convenience both the old and new are for now marked as unused, which
will be removed once the conversion is complete.
The formatted properties have following types according to QEMU.
'virtio-blk-pci' was used as an example:
Peter Krempa [Fri, 1 Oct 2021 14:47:12 +0000 (16:47 +0200)]
qemu: validate: Move validation of device rom
Move the validation from 'qemuBuildRomStr' into the function which
validates device info. It was originally named
'qemuValidateDomainDeviceDefAddress' but this commit renames it to
'qemuValidateDomainDeviceDefInfo'.
Signed-off-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
Commit ffda44030a2 added validation of the 'acpiIndex' field in
virDomainDeviceInfo by calling 'virDomainDeviceInfoIterate' from
'qemuValidateDomainDef'. This is overly complicated we have
'qemuValidateDomainDeviceDef' which is already called for every single
device so we can avoid the extra loop.
Restructure the code by calling 'qemuValidateDomainDeviceInfo' directly
from 'qemuValidateDomainDeviceDef' and avoid unnecessary calls to
'virDomainDeviceGetInfo' by calling 'qemuValidateDomainDeviceDefAddress'
from 'qemuValidateDomainDeviceInfo'
Signed-off-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
Peter Krempa [Fri, 1 Oct 2021 14:18:13 +0000 (16:18 +0200)]
qemu: Use 'effectiveBootIndex' to handle <os><boot dev='network'>
Fill in the effective boot index for network devices (or hostdev-backed
network devices via 'qemuProcessPrepareDeviceBootorder'. This patch
doesn't clean up the cruft to make it more obvious what's happening.
Signed-off-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
Peter Krempa [Fri, 1 Oct 2021 13:16:57 +0000 (15:16 +0200)]
conf: Introduce 'effectiveBootIndex' into 'virDomainDeviceInfo'
'effectiveBootIndex' is a copy of 'bootIndex' if '<boot order=' was
present and left unassigned if not. This allows hypervisor drivers to
reinterpret <os><boot> without being visible in the XML.
QEMU driver had a internal implementation for disks, which is now
replaced. Additionally this will simplify a refactor of network boot
assignment.
Signed-off-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
Peter Krempa [Thu, 30 Sep 2021 15:27:35 +0000 (17:27 +0200)]
qemuBuildVirtioDevStr: Remove 'baseName' argument
The code doesn't need the name as it determines it internally. Remove
the argument and fix all callers. In certain cases it led to
simplification of the logic.
Signed-off-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
Peter Krempa [Thu, 30 Sep 2021 11:27:13 +0000 (13:27 +0200)]
qemuBuildVirtioDevGetConfigDev: Provide more information
Since we already have code for per-device behaviour we can also populate
the device name and extract virtioOptions in the switch statement so
that callers don't have to pass it in.
Signed-off-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
The 'virtio' argument was misleadingly implying that it's true for all
virtio devices, but that's not the case. 'virtio-vga(-gl)' is a virtio
device but doesn't accept the usual bus-dependant suffix.
Add a comment for 'qemuDeviceVideoGetModel' and another boolean
'virtioBusSuffix' which carries the above meaning so that the 'virtio'
argument can be fixed (it will be used later).
Signed-off-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
Peter Krempa [Thu, 30 Sep 2021 08:29:35 +0000 (10:29 +0200)]
qemuBuildVirtioDevStr: Extract code for determining device model
Extract the code into 'qemuBuildVirtioDevGetConfig' so that we can
later reuse it when converting individual device code into the more
modern JSON approach as the extracted code will be necessary either way.
Signed-off-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
Peter Krempa [Fri, 26 Mar 2021 14:43:14 +0000 (15:43 +0100)]
qemu: command: Introduce JSON equivalent of qemuBuildDeviceAddressStr
Upcoming patches will start converting the formatting of arguments for
-device from a string to JSON so that we can keep proper types around
when using it via QMP.
This means we will need an equivalet for the device address builder
function. 'qemuBuildDeviceAddressProps' provides equal functionality,
but the output differs for fields where a number is expected, where
we've previously formatted a hex value but now end up with a decimal
value per JSON standard.
For given address types I've selected an example device and used
'-device $DEV,help' to obtain the current types recognized by qemu:
Note that 'bus' is not shown below, but it's already a string so we can
keep using it as a string.
VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI (virtio-balloon-pci)
acpi-index=<uint32> - (default: 0)
addr=<int32> - Slot and optional function number, example: 06.0 or 06 (default: -1)
multifunction=<bool> - on/off (default: false)
Note that 'addr' is here defined as 'int32' but in fact internally in
qemu is an alternate type between a number and a string so we can keep
using strings here.
Peter Krempa [Sat, 25 Sep 2021 07:04:55 +0000 (09:04 +0200)]
virQEMUBuildCommandLineJSONRecurse: Error out when array conversion function is not provided
For conversion of '-device' we'll try to avoid usage of arrays if
possible, so for now if the array coversion function is not provided the
convertor will error out.
Signed-off-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
Prevent duplication of code when extending the validator for new
commands. Add a struct describing a command to validate and make the
validation loop a bit more robust to corner cases.
Signed-off-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
Peter Krempa [Wed, 24 Mar 2021 13:00:07 +0000 (14:00 +0100)]
virQEMUBuildDriveCommandlineFromJSON: Open-code in callers
Optimize the number of string copies by using the virBuffers in the
callers directly. Simplest way to achieve this is to just open code the
one function call 'virQEMUBuildDriveCommandlineFromJSON' was wrapping
in the two callers.
Signed-off-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
Peter Krempa [Fri, 24 Sep 2021 17:15:22 +0000 (19:15 +0200)]
qemu: Remove 'qemuBuildCommandLineFlags' and associated code
The -netdev formatter code switched to a real virQEMUCaps flag so we can
remove the old flags which used to enable JSON for -netdev for
validation purposes.
Signed-off-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
Peter Krempa [Fri, 24 Sep 2021 16:47:59 +0000 (18:47 +0200)]
qemu: command: Format netdev as JSON when QEMU_CAPS_NETDEV_JSON is present
Base the JSON output on a regular capability flag rather than purely
internal flag. This will prepare for the time when QEMU will accept JSON
argumets for -netdev.
For now the capability is not set (thus we for now don't have QMP
schema validation) but that will be addressed later.
To achieve this 'qemuBuildNetdevCommandlineFromJSON' is introduced
and all callers of 'virQEMUBuildNetdevCommandlineFromJSON' are
refactored to use the new helper.
Signed-off-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
projects / libvirt.git / log