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Apparently, 1 << 31 is signed which in turn does not fit into
a signed integer variable:
../../include/libvirt/libvirt-domain.h:1881:57: error: result of '1 << 31' requires 33 bits to represent, but 'int' only has 32 bits [-Werror=shift-overflow=]
VIR_CONNECT_GET_ALL_DOMAINS_STATS_ENFORCE_STATS = 1 << 31, /* enforce requested stats */
^~
cc1: all warnings being treated as errors
The solution is to make it an unsigned value. I've found only two
such occurrences in our code base.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
The apibuild script is a terrifying beast that parses some source
files of ours and produces an XML representation of them. When it
comes to parsing enums we have in some header files, it tries to
be clever and detect a value that an enum member has (or if it is
an alias for a different member). Whilst doing that it has to
deal with values we give to the members in many formats. At some
places we just pass the value in decimal:
VIR_DOMAIN_BLOCK_JOB_TYPE_PULL = 1,
in other places, we use the aliasing:
VIR_CONNECT_GET_ALL_DOMAINS_STATS_ACTIVE = VIR_CONNECT_LIST_DOMAINS_ACTIVE,
and in other places bitwise shifts are used:
VIR_CONNECT_GET_ALL_DOMAINS_STATS_ENFORCE_STATS = 1 << 31, /* enforce requested stats */
The script tries to parse all of these resulting in the following
tokens: "1", "VIR_CONNECT_LIST_DOMAINS_ACTIVE", "1<<31"; Then, the
script tries to turn these into integers using python's eval()
function. This function succeeds on the first and the last
tokens. But, if we were to modify the last example so that it's
of the following form:
VIR_CONNECT_GET_ALL_DOMAINS_STATS_ENFORCE_STATS = 1U << 31, /* enforce requested stats */
the token representing enum's member value will then be "1U<<31".
So our parsing is good. Unfortunately, python is not aware of the
difference between signed and unsigned C types, therefore eval()
fails over this token and the parser falls back thinking it's an
alias to another enum member. Well it's not.
The solution is to transform [0-9]U into [0-9] as for our
purposes here it's the same thing.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Fix a regression in checking for realpath (which caused link
failures regarding duplicate rpl_canonicalize_file_name), and
fix the mingw build regarding unsetenv.
* .gnulib: Update to latest.
Signed-off-by: Eric Blake <eblake@redhat.com>
Fedora now ships edk2 firmware in its official repos, so adapt
the nvram path list to match. Eventually we can remove the nightly
links as well once some integration kinks have been worked out,
and documentation updated.
Move the macro building into the %build target, which lets us
build up a shell variable and make things a bit more readable
https://bugzilla.redhat.com/show_bug.cgi?id=1335395
Adjust the code to perform the virLXCDomainObjBeginJob first
and then the call virDomainLiveConfigHelperMethod.
As Ján Tomko pointed out, in virDomainLiveConfigHelperMethod,
there is a check to see if the domain is active when AFFECT_LIVE is set.
Since virLXCDomainObjBeginJob unlocks the virDomainObjPtr lock,
the domain could possibly be destroyed while we wait for the job
and the check results would no longer be valid.
Signed-off-by: Katerina Koukiou <k.koukiou@gmail.com>
Pulls in several portability fixes, including the fact that gnulib
now only works on platforms with two's complement signed integers.
Also makes for a smaller delta on the next update (we are waiting
on a license change to unsetenv for the sake of mingw).
* .gnulib: Update to latest.
* bootstrap: Resync from upstream.
* tests/virstringtest.c: Drop use of obsolete probes of integer
properties.
Signed-off-by: Eric Blake <eblake@redhat.com>
This patch fixes an issue where screenshot API call was failing when
the esx/vcenter password contains special characters such as
apostrophee. The reason for failures was that passwords were escaped
for XML and stored in esxVI_Context which was then passed to raw CURL
API calls where the password must be passed in original form to
authenticate successfully. So this patch addresses this by storing
original passwords in the esxVI_Context struct and escape only for
esxVI_Login call.
Commit ff2126225d changed the error message to be more
detailed about the failure at hand; however, while the new
error message claims that "bus must be <= index", the error
message is displayed if "idx <= addr->bus", ie. when bus
is larger than or *equal to* index.
Change the error message to report the correct constraint,
and format it in a way that mirrors the check exactly to
make it clearer to people reading the code. The new error
message reads "index must be larger than bus".
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1339900
This patch aims to fix observed crash on daemon shutdown. Main thread is in
the process of state drivers cleanup, network driver is cleaned up and
qemu driver is not yet. Meanwhile eof event from qemu process triggers
qemuProcessStop -> networkReleaseActualDevice and crash happens as
network driver is already cleaned up.
Signed-off-by: Nikolay Shirokovskiy <nshirokovskiy@virtuozzo.com>
When a SCSI controller is present, ESX adds several pciBridge devices
to vmx file. This fixes an error message where it refuses to create VM
due to not enough PCI devices available. This applies only to virtualHW
version >= 7.
Hand-entering indexes for 20 PCI controllers is not as tedious as
manually determining and entering their PCI addresses, but it's still
annoying, and the algorithm for determining the proper index is
incredibly simple (in all cases except one) - just pick the lowest
unused index.
The one exception is USB2 controllers because multiple controllers in
the same group have the same index. For these we look to see if 1) the
most recently added USB controller is also a USB2 controller, and 2)
the group *that* controller belongs to doesn't yet have a controller
of the exact model we're just now adding - if both are true, the new
controller gets the same index, but in all other cases we just assign
the lowest unused index.
With this patch in place and combined with the automatic PCI address
assignment, we can define a PCIe switch with several ports like this:
<controller type='pci' model='pcie-root-port'/>
<controller type='pci' model='pcie-switch-upstream-port'/>
<controller type='pci' model='pcie-switch-downstream-port'/>
<controller type='pci' model='pcie-switch-downstream-port'/>
<controller type='pci' model='pcie-switch-downstream-port'/>
<controller type='pci' model='pcie-switch-downstream-port'/>
<controller type='pci' model='pcie-switch-downstream-port'/>
...
These will each get a unique index, and PCI addresses that connect
them together appropriately with no pesky numbers required.
Make virDomainControllerFindUnusedIndex() a global function so that it
can be used outside domain_conf.c (as well as higher up in
domain_conf.c itself)/ Also make its DomainDef arg a const* so that
functions which only have a const* to the domain can use it.
IS_USB2_CONTROLLER() is useful in more places aside from just when
assigning PCI addresses in QEMU, and is checking for enum values that
are all defined in conf/domain_conf.h anyway, so define it there
instead.
Add .domainInterfaceAddresses so that user can have a way to
get domain interface address by 'virsh domifaddr'. Currently
it only supports '--source lease'.
Signed-off: Chunyan Liu <cyliu@suse.com>
<os>
<acpi>
<table type="slic">/path/to/acpi/table/file</table>
</acpi>
</os>
will result in:
-acpitable sig=SLIC,file=/path/to/acpi/table/file
This option was introduced by QEMU commit 8a92ea2 in 2009.
https://bugzilla.redhat.com/show_bug.cgi?id=1327537
Add a new element to <domain> XML:
<os>
<acpi>
<table type="slic">/path/to/acpi/table/file</table>
</acpi>
</os>
To supply a path to a SLIC (Software Licensing) ACPI
table blob.
https://bugzilla.redhat.com/show_bug.cgi?id=1327537
Xen only supports network-based disks with the qemu (aka qdisk) driver.
Set the driverName to 'qemu' in libxlDomainDeviceDefPostParse() if
not already set. When starting a domain with network-based disks,
ensure the driverName is 'qemu'.
Resolves: https://bugzilla.opensuse.org/show_bug.cgi?id=981094
The libvirt internal bits can be changed for disks that don't otherwise
support changing media. Remove the switch statement and allow changes of
non-source data for all disks.
qemuDomainChangeDiskLive rolled back few changes to the disk definition
if changing of the media failed. This can be avoided by moving some code
around.
Commit id '15ccb0dbf' added job functions for the lxc driver; however,
for shutdown and nonpersistent path, the vm was removed from the domain
object list and the vm pointer cleared before the endjob.
Adjust the code to perform the endjob first and then perform the
ObjListRemove as long as the vm wasn't NULL. This follows more closely
models from qemu and libxl
Found by Coverity (FORWARD_NULL)
Based on some digital archaeology performed by jtomko, it's been determined
that the persistentAddrs variable is no longer necessary...
The variable was added by:
commit 141dea6bc7
CommitDate: 2010-02-12 17:25:52 +0000
Add persistence of PCI addresses to QEMU
Where it was set to 0 on domain startup if qemu did not support the
QEMUD_CMD_FLAG_DEVICE capability, to clear the addresses at shutdown,
because QEMU might make up different ones next time.
As of commit f5dd58a608
CommitDate: 2012-07-11 11:19:05 +0200
qemu: Extended qemuDomainAssignAddresses to be callable from
everywhere.
this was broken, when the persistentAddrs = 0 assignment was moved
inside qemuDomainAssignPCIAddresses and while it pretends to check
for !QEMU_CAPS_DEVICE, its parent qemuDomainAssignAddresses is only
called if QEMU_CAPS_DEVICE is present.
Since commit id '20a0fa8e' removed the QEMU_CAPS_DEVICE, Coverity notes
that it's no longer possible to have 'addrs' be NULL when checking for
a live domain since qemuDomainPCIAddressSetCreate would have jumped to
cleanup if addrs was NULL.
Instead of setting the flag before parsing the PCI address, set
it afterwards. This ensure we can never end up in a situation
where the flag has been set but pci_dev.physical_function has
not been filled in.
Commit c8b1a83605 changed the function, making it
impossible for callers to be able to tell whether a
non-negative return value means "physical function
address found and parsed correctly" or "couldn't find
corresponding physical function".
The important difference between the two being that,
in the latter case, the returned pointer is NULL and
should never, ever be dereferenced.
In order to cope with these changes, the callers
have to be updated.
Use the detected tray presence flag to trigger the tray waiting code
only if the given storage device in qemu reports to have a tray.
This is necessary as the floppy device lost it's tray as of qemu commit:
commit abb3e55b5b718d6392441f56ba0729a62105ac56
Author: Max Reitz <mreitz@redhat.com>
Date: Fri Jan 29 20:49:12 2016 +0100
Revert "hw/block/fdc: Implement tray status"
Commit 1fad65d49a used a really big hammer
and overwrote the error message that might be reported by qemu if the
tray is locked. Fix it by reporting the error only if no error is
currently set.
Error after commit mentioned above:
error: internal error: timed out waiting for disk tray status update
New error:
error: internal error: unable to execute QEMU command 'eject': Tray of
device 'drive-ide0-0-0' is not open
Extract information for all disks and update tray state and source only
for removable drives. Additionally store whether a drive is removable
and whether it has a tray.
Extract whether a given drive has a tray and whether there is no image
inserted.
Negative logic for the image insertion is chosen so that the flag is set
only if we are certain of the fact.
