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We use typedef IMedium IHardDisk to make IHardDisk hierachy from
IMedium (Actually it did on vbox 2.2 and 3.0's C++ API).
So when calling
VBOX_MEDIUM_FUNC_ARG*(IHardDisk, func, args)
we can directly replace it to
gVBoxAPI.UIMedium.func(IHardDisk, args)
When dealing with this two types, we get some rules from it's
hierachy relationship.
When using IHardDisk and IMedium as input, we can't transfer a
IMedium to IHardDisk. Like:
gVBoxAPI.UIHardDisk.func(IHardDisk *hardDisk, args)
Here, we can't put a *IMedium as a argument.
When using IHardDisk and IMedium as output, we can't transfer a
IHardDisk to IMedium. Like:
gVBoxAPI.UIMachine.GetMedium(IMedium **out)
Here, we can't put a **IHardDisk as a argument. If this case
do happen, we either change the API to GetHardDisk or write a
new one.
This patch rewrites the following functions
*vboxStorageOpen
*vboxStorageClose
*vboxConnectNumOfStoragePools
*vboxConnectListStoragePools
*vboxStoragePoolLookupByName
These functions do not call any vbox API, so I directly move it
from vbox_tmpl.c to vbox_storage.c
A small improvement is made on vboxConnectListStoragePools.
The if condition nnames == 1 is modified to nnames > 0. So if the
caller put more than one slot to get active storage pools, the new
function will return exactly one, while the old one would only
return 0.
There are lots of macro declarations in vbox_common.c,
vbox_network.c, and the coming vbox_storage.c which simply the API
calling. Since they are totally the same. We shouldn't keep three
copies of that, so they are moved to vbox_common.h.
Note: The macros are quite different from those in vbox_tmpl.c,
because they are using different API.
We should follow the rules that CHECK macro only do checking works.
But this VBOX_OBJECT_CHECK and VBOX_OBJECT_HOST_CHECK declared some
varibles at the same time, which broke the rule. So the patch
removed this macros and dispatched it in source code.
The storage driver is still not rewriten at this point. So, I
remains the VBOX_OBJECT_CHECK macro in vbox_tmpl.c. But this will
finally be removed in patch 'vbox: Remove unused things in vbox_tmpl.c'
I made a mistake on copyright in patch 7f0f415b87.
If I copied codes from one file to another, I should copy the
copyright announcement as well. So this patch makes up the
copyright which I should have added in the previous patch.
When starting an active block commit job in virsh, it will report
"Block Commit started", but for more precise message it could
report "Active Block Commit started".
Signed-off-by: Shanzhi Yu <shyu@redhat.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Not every error message from qemu-ga has to have the 'class' field
filled out. For instance, I've seen this error message lately:
qemuAgentCheckError:1047 : unable to execute QEMU agent command \
{"execute":"guest-set-time"}: \
{"error":{"desc":"Invalid parameter type, expected: integer"}}
However, this got translated into rather generic error message:
internal error: unable to execute QEMU agent command
'guest-set-time': unknown QEMU command error
So we've dropped better error message in favor of a generic one.
This is due to our code which expects 'class' which is not
present here.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
This patch adds functionality to processNicRxFilterChangedEvent().
The old and new multicast lists are compared and the filters in
the macvtap are programmed to match the guest's filters.
Signed-off-by: Tony Krowiak <akrowiak@linux.vnet.ibm.com>
This patch provides the utility functions to needed to synchronize the
changes made to a guest domain network device's multicast filter
with the corresponding macvtap device's filter on the host:
* Get/add/remove multicast MAC addresses
* Get the macvtap device's RX filter list
Signed-off-by: Tony Krowiak <akrowiak@linux.vnet.ibm.com>
Signed-off-by: Laine Stump <laine@laine.org>
https://bugzilla.redhat.com/show_bug.cgi?id=956506 documents that
given a domain where an internal snapshot parent has an external
snapshot child, we lacked a safety check when trying to use the
--children-only option to snapshot-delete:
$ virsh start dom
$ virsh snapshot-create-as dom internal
$ virsh snapshot-create-as dom external --disk-only
$ virsh snapshot-delete dom external
error: Failed to delete snapshot external
error: unsupported configuration: deletion of 1 external disk snapshots not supported yet
$ virsh snapshot-delete dom internal --children
error: Failed to delete snapshot internal
error: unsupported configuration: deletion of 1 external disk snapshots not supported yet
$ virsh snapshot-delete dom internal --children-only
Domain snapshot internal children deleted
While I'd still like to see patches that actually do proper external
snapshot deletion, we should at least fix the inconsistency in the
meantime. With this patch:
$ virsh snapshot-delete dom internal --children-only
error: Failed to delete snapshot internal
error: unsupported configuration: deletion of 1 external disk snapshots not supported yet
* src/qemu/qemu_driver.c (qemuDomainSnapshotDelete): Fix condition.
Signed-off-by: Eric Blake <eblake@redhat.com>
virNetDevLinkDump() gets a message from netlink into "resp", then
calls nlmsg_parse() to fill the table "tb" with pointers into resp. It
then returns tb to its caller, but not before freeing the buffer at
resp. That means that all the callers of virNetDevLinkDump() are
examining memory that has already been freed. This can be verified by
filling the buffer at resp with garbage prior to freeing it (or, I
suppose, just running libvirtd under valgrind) then performing some
operation that calls virNetDevLinkDump().
The code has been like this ever since virNetDevLinkDump() was written
- the original author didn't notice it, and neither did later
additional users of the function. It has only been pure luck (or maybe
a lack of heavy load, and/or maybe an allocation algorithm in malloc()
that delays re-use of just-freed memory) that has kept this from
causing errors, for example when configuring a PCI passthrough or
macvtap passthrough network interface.
The solution taken in this patch is the simplest - just return resp to
the caller along with tb, then have the caller free it after they are
finished using the data (pointers) in tb. I alternately could have
made a cleaner interface by creating a new struct that put tb and resp
together along with a vir*Free() function for it, but this function is
only used in a couple places, and I'm not sure there will be
additional new uses of virNetDevLinkDump(), so the value of adding a
new type, extra APIs, etc. is dubious.
In a clean build system (Ubuntu 14.04), the viridentitytest failed to compile.
Even if all the SELINUX libraries and depedencies are installed. See the error
message below:
[...]
CC viridentitytest.o
CCLD viridentitytest
/usr/bin/ld: viridentitytest.o: undefined reference to symbol
'security_disable'
//lib/x86_64-linux-gnu/libselinux.so.1: error adding symbols: DSO missing
from command line
collect2: error: ld returned 1 exit status
make: *** [viridentitytest] Error 1
Simply adding the variable SELINUX_LIBS in viridentitytest rules of
Makefile.am to include SELINUX libraries into viridentitytest solved that
compilation issue.
Signed-off-by: Julio Faracco <jcfaracco@gmail.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
libvirtd will report below error if it does not make sure driver was not NULL
in virRegisterNetworkDriver
$ libvirtd
2014-10-24 09:24:36.443+0000: 28876: info : libvirt version: 1.2.10
2014-10-24 09:24:36.443+0000: 28876: error : virRegisterNetworkDriver:549 : driver in virRegisterNetworkDriver must not be NULL
2014-10-24 09:24:36.443+0000: 28876: error : virDriverLoadModule:99 : Failed module registration vboxNetworkRegister
Signed-off-by: Shanzhi Yu <shyu@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
The recently added driver-*.h files were not listed in the
Makefile.am causing them to be missed when creating dists.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
The cfg.mk rule for checking preprocessor indentation was
mistakenly missing the libvirt.h.in file due to bad file
extension matching rule. Fix that and the resolve the
incorrect indentation that is identified.
Create a new libvirt-host.h file to hold the public
API definitions for the virConnect type. This header
file is not self-contained, so applications will not directly
include it. They will continue to #include <libvirt/libvirt.h>
Create a new libvirt-domain.h file to hold the public
API definitions for the virDomain type. This header
file is not self-contained, so applications will not directly
include it. They will continue to #include <libvirt/libvirt.h>
Create a new libvirt-event.h file to hold the public
API definitions for the virEvent type. This header
file is not self-contained, so applications will not directly
include it. They will continue to #include <libvirt/libvirt.h>
Create a new libvirt-storage.h file to hold the public
API definitions for the virStorage/Vol type. This header
file is not self-contained, so applications will not directly
include it. They will continue to #include <libvirt/libvirt.h>
Create a new libvirt-stream.h file to hold the public
API definitions for the virStream type. This header
file is not self-contained, so applications will not directly
include it. They will continue to #include <libvirt/libvirt.h>
Note the definition of virStreamPtr is not moved, since that
must be declared early for all other libvirt APIs to be able
to reference it.
Create a new libvirt-secret.h file to hold the public
API definitions for the virSecret type. This header
file is not self-contained, so applications will not directly
include it. They will continue to #include <libvirt/libvirt.h>
Create a new libvirt-nodedev.h file to hold the public
API definitions for the virNodeDevice type. This header
file is not self-contained, so applications will not directly
include it. They will continue to #include <libvirt/libvirt.h>
Create a new libvirt-nwfilter.h file to hold the public
API definitions for the virNWFilter type. This header
file is not self-contained, so applications will not directly
include it. They will continue to #include <libvirt/libvirt.h>
Create a new libvirt-interface.h file to hold the public
API definitions for the virInterface type. This header
file is not self-contained, so applications will not directly
include it. They will continue to #include <libvirt/libvirt.h>
Create a new libvirt-network.h file to hold the public
API definitions for the virNetwork type. This header
file is not self-contained, so applications will not directly
include it. They will continue to #include <libvirt/libvirt.h>
Create a new libvirt-domain-snapshot.h file to hold the public
API definitions for the virDomainSnapshot type. This header
file is not self-contained, so applications will not directly
include it. They will continue to #include <libvirt/libvirt.h>
The virTypedParameterValidateSet method will need to be used
from several libvirt-*.c files so must be non-static
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
The function hypervEnumAndPull consumes query on success, but leaked
it on failure. Rather than having to change all callers (many of
them indirect callers through the generated
hypervGetMsvmComputerSystemList), it was easier to just guarantee
that the buffer is cleaned on return from the function.
* src/hyperv/hyperv_wmi.c (hypervEnumAndPull): Don't leak query on
failure.
Signed-off-by: Eric Blake <eblake@redhat.com>
With the large number of APIs in libvirt the driver.h file,
it is easy to get lost looking for things. Split each driver
into a separate header file based on the functional driver
groups.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
To prepare for introducing a single global driver, rename the
virDriver struct to virHypervisorDriver and the registration
API to virRegisterHypervisorDriver()
Tuning NUMA or network interface parameters requires root
privileges to manage cgroups. Thus an attempt to set some of these
parameters in session mode on a running domain should be invalid
followed by an error. An example might be memory tuning which raises
an error in such case.
The following behavior in session mode will be present after applying
this patch:
Tuning | SET | GET |
----------|---------------|--------|
NUMA | shut off only | always |
Memory | never | never |
Interface | never | always |
Resolves https://bugzilla.redhat.com/show_bug.cgi?id=1126762
The documentation for the restore hook states that returning an empty
XML is equivalent with copying the input. There was a bug in the code
checking the returned string by checking the string instead of the
contents. Use the new helper to check if the string is empty.
The helper checks whether a string contains only whitespace or is NULL.
This will be helpful to skip cases where a user string is optional, but
may be provided empty with the same meaning.
Newer versions of Debian use '/run/initctl' instead of '/dev/initctl'.
This patch updates the code to search for the FIFO from a list of
well-known locations.
Build with clang fails with:
CC util/libvirt_util_la-virsocketaddr.lo
util/virsocketaddr.c:904:17: error: cast from 'struct sockaddr *' to
'struct sockaddr_in *' increases required alignment from 1 to 4
[-Werror,-Wcast-align]
inet4 = (struct sockaddr_in*) res->ai_addr;
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
util/virsocketaddr.c:909:17: error: cast from 'struct sockaddr *' to
'struct sockaddr_in6 *' increases required alignment from 1 to 4
[-Werror,-Wcast-align]
inet6 = (struct sockaddr_in6*) res->ai_addr;
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2 errors generated.
Fix that by replacing virSocketAddrParseInternal() call with
virSocketAddrParse() in the virSocketAddrIsNumericLocalhost() function.
virSocketAddrParse stores an address in virSocketAddr.
virSocketAddr uses a union to store an address, so it doesn't
need casting.
