The function queries the block devices visible to qemu
('query-block') and parses the qemu's output. The info is
returned in a hash table which is expected to be pre-filled by
qemuMonitorJSONGetAllBlockStatsInfo(). However, in the next patch
we are not going to call the latter function at all, so we should
make the former function add devices into the hash table if not
found there.
Signed-off-by: NMichal Privoznik <mprivozn@redhat.com>

While this could be exposed as a public API, it's not done yet as
there's no demand for that yet. Anyway, this is just preparing
the environment for easier volume creation on the destination.
Signed-off-by: NMichal Privoznik <mprivozn@redhat.com>

Since virDomainSnapshotFree will call virObjectUnref anyway, let's just use
that directly so as to avoid the possibility that we inadvertently clear out
a pending error message when using the public API.

Since virInterfaceFree will call virObjectUnref anyway, let's just use that
directly so as to avoid the possibility that we inadvertently clear out
a pending error message when using the public API.

Since virNWFilterFree will call virObjectUnref anyway, let's just use that
directly so as to avoid the possibility that we inadvertently clear out
a pending error message when using the public API.

Since virSecretFree will call virObjectUnref anyway, let's just use that
directly so as to avoid the possibility that we inadvertently clear out
a pending error message when using the public API.

Since virStreamFree will call virObjectUnref anyway, let's just use that
directly so as to avoid the possibility that we inadvertently clear out
a pending error message when using the public API.

Since virStoragePoolFree will call virObjectUnref anyway, let's just use that
directly so as to avoid the possibility that we inadvertently clear out
a pending error message when using the public API.

Since virStorageVolFree will call virObjectUnref anyway, let's just use that
directly so as to avoid the possibility that we inadvertently clear out
a pending error message when using the public API.

Since virNodeDeviceFree will call virObjectUnref anyway, let's just use that
directly so as to avoid the possibility that we inadvertently clear out
a pending error message when using the public API.

Since virNetworkFree will call virObjectUnref anyway, let's just use that
directly so as to avoid the possibility that we inadvertently clear out
a pending error message when using the public API.

Since virDomainFree will call virObjectUnref anyway, let's just use that
directly so as to avoid the possibility that we inadvertently clear out
a pending error message when using the public API.

Modify the various virXXXFree calls to only call virObjectUnref. Calling
the public API will reset the last error thus clearing out a pending error.

virConnect.privateData is void *, so we can't access
fields of parallelsConn, pointer to which is stored in
virConnect.privateData. So replace all occurences of
conn->privateData->storageState with privconn->storageState.
Signed-off-by: NDmitry Guryanov <dguryanov@parallels.com>

Partially reverts commit 5754dbd5.

The code in the specfile adds a MAC address to every <bridge>,
even for <forward mode='bridge'> for which we don't support
changing MAC addresses.

Remove it completely. For new networks, we have been adding
MAC addresses on definition/creation since the commit mentioned above.
For existing networks (pre-0.9.0), the MAC is added by this commit.

https://bugzilla.redhat.com/show_bug.cgi?id=1156367

Libvirt's RPMs have been adding it to networks which don't support it.

https://bugzilla.redhat.com/show_bug.cgi?id=1156367

Since our big split of libvirt.c there are only a few functions
living there. The majority was moved to corresponding subfile,
e.g. domain functions were moved to libvirt-domain.c. However,
the patches for virDomainGetFSInfo() and virDomainFSInfoFree()
introduction were posted prior the big split and merged after.
This resulted in two domain functions landing in wrong file.
Move them to the correct one.
Signed-off-by: NMichal Privoznik <mprivozn@redhat.com>

Adding non-existing nwfilter to a network interface device without any
nwfilter specified will crash libvirt daemon with segfault. The reason is
that the nwfilter is not found an libvirt will try to restore old
nwfilter configuration but there is no nwfilter specified.
Signed-off-by: NPavel Hrdina <phrdina@redhat.com>

Signed-off-by: NWang Rui <moon.wangrui@huawei.com>

The function virNetworkObjListExport() in network_conf.c had a call to
the public API virNetworkFree() which was causing a link error:

CCLD     libvirt_driver_vbox_network_impl.la
 ./.libs/libvirt_conf.a(libvirt_conf_la-network_conf.o): In function `virNetworkObjListExport':
/home/laine/devel/libvirt/src/conf/network_conf.c:4496: undefined reference to `virNetworkFree'

This would happen when I added

  #include "network_conf.h"

into domain_conf.h, then attempted to call a new function from that
file (and enum converter, similar to virNetworkForwardTypeToString())

In the end, virNetworkFree() ends up just calling virObjectUnref(obj)
anyway (after clearing all pending errors, which we probably *don't*
want to do in the cleanup of a utility function), so this is likely
more correct than the original code as well.

Make was not able to realize the dependencies for html/*.html files when
running 'make -j9 dist'.  All the files are generated together with
html/index.html, so simply separating them into another variable and
adding one block into the dependency chain solves the issue.
Signed-off-by: NMartin Kletzander <mkletzan@redhat.com>

Since libvirt.h was split into multiple files and similarly
docs/libvirt-libvirt.html, docs/hvsupport.html have bad hyperlinks.  The
same happens for all the html.in files that used <code class='docref'>
tag, because page.xsl has no idea where to point the link that's found.
Signed-off-by: NMartin Kletzander <mkletzan@redhat.com>

There is a race condition between the fopen and fscanf calls
in qemuGetProcessInfo. If fopen succeeds, there is a small
possibility that the file no longer exists before reading from it.
Now, if either fopen or fscanf calls fail, the function will behave
just as only fopen had failed.

Fixes https://bugzilla.redhat.com/show_bug.cgi?id=1169055Signed-off-by: NEric Blake <eblake@redhat.com>

Commit id 'cb88d433' refactored the calling sequence to use a thread;
however, in doing so "lost" the check for if virNetSocketAccept returns
failure.  Since other code makes that check, Coverity complains. Although
a false positive, adding back the failure check pacifies Coverity

Commit id '0d36a5d0' modified the code slightly, but removed the
return value check thus causing Coverity to complain that this call
was the only one where the return value wasn't checked. Since nothing
was done previously if there was a failure, just use ignore_value here
to pacify Coverity

Coverity complains that many other callers to return err from
virGetLastError() will check if err is not NULL before dereferencing
it.  Just do the same here for safety.

Coverity complained that because the cfg->macFilter call checked
net->ifname != NULL before calling ebtablesRemoveForwardAllowIn, then
the virNetDevOpenvswitchRemovePort call should have the same check.

However, if I move the ebtables call prior to the check for TYPE_DIRECT
(where there is a VIR_FREE(net->ifname)), then it seems Coverity is
happy.  Since firewall info is tacked on last during setup, removing
it in the opposite order of initialization seems to be natural anyway

https://bugzilla.redhat.com/show_bug.cgi?id=1159180

The virStoragePoolSourceFindDuplicate only checks the incoming definition
against the same type of pool as the def; however, for "scsi_host" and
"fc_host" adapter pools, it's possible that either some pool "scsi_host"
adapter definition is already using the scsi_hostN that the "fc_host"
adapter definition wants to use or some "fc_host" pool adapter definition
is using a vHBA scsi_hostN or parent scsi_hostN that an incoming "scsi_host"
definition is trying to use.

This patch adds the mismatched type checks and adds extraneous comments
to describe what each check is determining.

This patch also modifies the documentation to be describe what scsi_hostN
devices a "scsi_host" source adapter should use and which to avoid. It also
updates the parent definition to specifically call out that for mixed
environments it's better to define which parent to use so that the duplicate
pool checks can be done properly.

https://bugzilla.redhat.com/show_bug.cgi?id=1159180

Move the API from the backend to storage_conf and rename it to
virStoragePoolGetVhbaSCSIHostParent.  A future patch will need to
use this functionality from storage_conf

Signed-off-by: NMartin Kletzander <mkletzan@redhat.com>

There are some small issue in qemuProcessAttach:

1.Fix virSecurityManagerGetProcessLabel always get pid = 0,
move 'vm->pid = pid' before call virSecurityManagerGetProcessLabel.

2.Use virSecurityManagerGenLabel to get image label.

3.Fix always set selinux label for other security driver label.
Signed-off-by: NLuyao Huang <lhuang@redhat.com>

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1169183Signed-off-by: NMartin Kletzander <mkletzan@redhat.com>

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1169183Signed-off-by: NMartin Kletzander <mkletzan@redhat.com>

When a block{commit,copy} job was aborted on a domain, block job handler
did not process it correctly, leaving a phantom job in the background.
Any further calls to any blockjob causes "block <jobtype> still active"
error. This patch fixes the blockjob handler so that it checks not only
for VIR_DOMAIN_BLOCK_JOB_FAILED status, but VIR_DOMAIN_BLOCK_JOB_CANCELED
status as well, followed by our existing cleanup routine.

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1135169Signed-off-by: NJiri Denemark <jdenemar@redhat.com>

If job is failed in qemuMigrationRun, we expect the jobinfo type as
FAILED. But jobinfo type won't be updated until entering
qemuMigrationWaitForCompletion. We should make it updated in all
conditions. Moreover, we can't use qemuMigrationUpdateJobStatus
here because job may fail in libvirt, so we can't query job status
from QEMU.
Signed-off-by: NWang Rui <moon.wangrui@huawei.com>

The migration job status is traced in qemuMigrationUpdateJobStatus
which is called in qemuMigrationRun. But if migration is cancelled
before the trace such as in qemuMigrationDriveMirror, the jobinfo
type won't be updated to CANCELLED. After this patch, we can get
jobinfo type CANCELLED if migration is cancelled during drive
mirror.  Moreover, we can't use qemuMigrationUpdateJobStatus
because from qemu's point of view it's just the drive mirror being
cancelled and the migration hasn't even started yet.
Signed-off-by: NWang Rui <moon.wangrui@huawei.com>

When I pasted some XML from libvirt.org, I've found a small mistake.
Signed-off-by: NLuyao Huang <lhuang@redhat.com>

https://bugzilla.redhat.com/show_bug.cgi?id=1160084

As of b6d4dad1 (1.2.5) we are trying to keep the status of FSFreeze
in the guest. Even though I've tried to fixed couple of corner cases
(6ea54769), it occurred to me just recently, that the approach is
broken by design. Firstly, there are many other ways to talk to
qemu-ga (even through libvirt) that filesystems can be thawed (e.g.
qemu-agent-command) without libvirt noticing. Moreover, there are
plenty of ways to thaw filesystems without even qemu-ga noticing (yes,
qemu-ga keeps internal track of FSFreeze status). So, instead of
keeping the track ourselves, or asking qemu-ga for stale state, it's
the best to let qemu-ga deal with that (and possibly let guest kernel
propagate an error).

Moreover, there's one bug with the following approach, if fsfreeze
command failed, we've executed fsthaw subsequently. So issuing
domfsfreeze in virsh gave the following result:

virsh # domfsfreeze gentoo
Froze 1 filesystem(s)

virsh # domfsfreeze gentoo
error: Unable to freeze filesystems
error: internal error: unable to execute QEMU agent command 'guest-fsfreeze-freeze': The command guest-fsfreeze-freeze has been disabled for this instance

virsh # domfsfreeze gentoo
Froze 1 filesystem(s)

virsh # domfsfreeze gentoo
error: Unable to freeze filesystems
error: internal error: unable to execute QEMU agent command 'guest-fsfreeze-freeze': The command guest-fsfreeze-freeze has been disabled for this instance
Signed-off-by: NMichal Privoznik <mprivozn@redhat.com>

virReportSystemError is reserved for reporting system errors, calling it
with VIR_ERR_* error codes produces error messages that do not make any
sense, such as

    internal error: guest failed to start: Kernel doesn't support user
    namespace: Link has been severed

We should prohibit wrong usage with a syntax-check rule.
Signed-off-by: NJiri Denemark <jdenemar@redhat.com>

Signed-off-by: NMartin Kletzander <mkletzan@redhat.com>