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The logging manager is very closely tied to RPC. If we are
building without RPC support there's not much use for the
manager, in fact it fails to build.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Our RPC layer is as tied to XDR as possible. Therefore, if we
haven't detected and XDR library there's not much sense in trying
to build RPC layer.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
There's nothing RPC specific about virnettlscontext.c or
virnetsocket.c. We use TLS for other things than just RPC
encryption (e.g. for generating random numbers) and sockets can
be used even without RPC.
Move these two sources into a static library (virt_socket) so
that other areas can use it even when RPC is disabled.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
When implementing sparse streams, one of improvements I did was
to increase client buffer size for sending/receiving stream data
(commit v1.3.5-rc1~502). Previously, we were using 64KiB buffer
while packets on RPC are 256KiB (usable data is slightly less
because of the header). This meant that it took multiple calls of
virStreamRecv()/virStreamSend() to serve a single packet of data.
In my fix, I've included the virnetprotocol.h file which provides
VIR_NET_MESSAGE_LEGACY_PAYLOAD_MAX macro which is the exact size
of data in a single packet. However, including the file from
libvirt-stream.c which implements public APIs is not right. If
RPC module is not built then the file doesn't exists.
Redefine the macro and drop the include. The size can never
change anyways.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
And its callers. The parameter is no longer used since virDomainObjSave
was replaced with qemuDomainSaveStatus wrapper.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
It is a nice wrapper around virDomainObjSave which logs a warning, but
otherwise ignores the error. Let's use it where appropriate.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
When return-path is enabled, QEMU on the source host won't report
completed migration until the destination QEMU sends a confirmation it
successfully loaded all data. Libvirt would detect such situation in the
Finish phase and report the error read from QEMU's stderr back to the
source, but using return-path could give use a bit better error
reporting with an earlier restart of vCPUs on the source.
The capability is only enabled when the connection between QEMU
processes on the source and destination hosts is bidirectional. In other
words, only when VIR_MIGRATE_TUNNELLED is not set, because our tunnel
only allows one-way communication from the source to the destination.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
So far we were enabling specific migration capabilities when a
corresponding API flag is set. We need to generalize our code to be able
to enable some migration capabilities unless a particular API flag is
used.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Different CPU generations have different limits on the number
of SEV/SEV-ES guests that can be run. Since both limits come
from the same overall set, there is typically also BIOS config
to set the tradeoff betweeen SEV and SEV-ES guest limits.
This is important information to expose for a mgmt application
scheduling guests to hosts.
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
This will be needed directly in the QEMU driver in a later patch.
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
There are limits on the number of SEV/SEV-ES guests that can
be run on machines, which may be influenced by firmware
settings. This is important to expose to users.
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
There are limits on the number of SEV/SEV-ES guests that can
be run on machines, which may be influenced by firmware
settings. This is important to expose to users.
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
While some SEV info is reported in the domain capabilities,
for reasons of size, this excludes the certificates. The
nodesevinfo command provides the full set of information.
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
This command reports the launch security parameters for
a guest, allowing an external tool to perform a launch
attestation.
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Report extra info about the SEV setup, returning those fields
that are required to calculate the expected launch measurement
HMAC(0x04 || API_MAJOR || API_MINOR || BUILD ||
GCTX.POLICY || GCTX.LD || MNONCE; GCTX.TIK)
specified in section 6.5.1 of AMD Secure Encrypted
Virtualization API.
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
We're only returning the set of fields needed to perform an
attestation, per the SEV API docs.
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Querying launch params on a inactive guest currently triggers
a warning about the monitor being NULL.
https://bugzilla.redhat.com/show_bug.cgi?id=2030437
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Three more parameters are required in order that clients can
perform a launch attestation on the SEV guest.
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Since commit 46783e6307, the 'virsh dominfo' command calls
virDomainGetMessages to report any messages from the domain.
Hypervisors not implementing the API now get the following
libvirtd log message when clients invoke 'virsh dominfo'
this function is not supported by the connection driver: virDomainGetMessages
Although libxl currently does not support any tainting or
deprecation messages, provide an implementation to squelch
the previously unseen error message when collecting dominfo.
Signed-off-by: Jim Fehlig <jfehlig@suse.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This mode will enable all enlightenments known to the hypervisor. See
https://bugzilla.redhat.com/show_bug.cgi?id=1851249
Example:
<features>
<hyperv mode='passthrough'/>
...
</features>
Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Currently, this attribute may either have a value of "custom", or be absent
(which defaults to "custom"), for backwards compatibility.
Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Allow for an optional attribute "mode", set to the string "custom".
Later patches will introduce different modes. Omitting this attribute
will default to "custom" for backwards compatibility.
Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This does not change the schema, but will make upcoming changes
easier.
Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Use two variables with automatic cleanup instead of reusing one.
Remove the pointless cleanup label.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Reduce the scope of the variable to avoid mixing automatic and manual
cleanup.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Use g_auto for dnsmasq context and remove the cmd variable.
It was unused since its introduction in:
commit 8b32c80df0
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Use g_auto and get rid of the cleanup label, as well as the ret
variable.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Use g_auto where possible, reduce scope of some variables and remove
pointless ret and rc variables.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
