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Commit Graph

24566 Commits

Author SHA1 Message Date
Laine Stump
807232203a qemu: don't force-add a dmi-to-pci-bridge just on principle
Now the a dmi-to-pci-bridge is automatically added just as it's needed
(when a pci-bridge is being added), we no longer have any need to
force-add one to every single Q35 domain.
2016-11-14 14:21:43 -05:00
Laine Stump
815b51d97a qemu: update tests to not assume dmi-to-pci-bridge is always added
A few of the qemu test cases assume that a dmi-to-pci-bridge will
always be added at index 1, and so they omit it from the input data
even though a pci-bridge is present at index 2, e.g.:

   <controller type='pci' index='0' model='pcie-root'/>
   <controller type='pci' index='2' model='pci-bridge'/>

Support for this odd practice was discussed on libvir-list and we
decided that the complex code required to make this continue was not
worth the headache of maintaining. So instead, this patch modifies the
test cases to manually add a dmi-to-pci-bridge at index 1 (since an
upcoming patch is going to eliminate the unconditional adding of
dmi-to-pci-bridge).

Because the auto-add was placing the dmi-to-pci-bridge later in the
list (even though it has a lower index) the test output is also
updated to take account for the new order (which puts the pci
controllers in index-order)
2016-11-14 14:21:15 -05:00
Laine Stump
0702f48ef4 qemu: auto-add pcie-root-port/dmi-to-pci-bridge controllers as needed
Previously libvirt would only add pci-bridge devices automatically
when an address was requested for a device that required a legacy PCI
slot and none was available. This patch expands that support to
dmi-to-pci-bridge (which is needed in order to add a pci-bridge on a
machine with a pcie-root), and pcie-root-port (which is needed to add
a hotpluggable PCIe device). It does *not* automatically add
pcie-switch-upstream-ports or pcie-switch-downstream-ports (and
currently there are no plans for that).

Given the existing code to auto-add pci-bridge devices, automatically
adding pcie-root-ports is fairly straightforward. The
dmi-to-pci-bridge support is a bit tricky though, for a few reasons:

1) Although the only reason to add a dmi-to-pci-bridge is so that
   there is a reasonable place to plug in a pci-bridge controller,
   most of the time it's not the presence of a pci-bridge *in the
   config* that triggers the requirement to add a dmi-to-pci-bridge.
   Rather, it is the presence of a legacy-PCI device in the config,
   which triggers auto-add of a pci-bridge, which triggers auto-add of
   a dmi-to-pci-bridge (this is handled in
   virDomainPCIAddressSetGrow() - if there's a request to add a
   pci-bridge we'll check if there is a suitable bus to plug it into;
   if not, we first add a dmi-to-pci-bridge).

2) Once there is already a single dmi-to-pci-bridge on the system,
   there won't be a need for any more, even if it's full, as long as
   there is a pci-bridge with an open slot - you can also plug
   pci-bridges into existing pci-bridges. So we have to make sure we
   don't add a dmi-to-pci-bridge unless there aren't any
   dmi-to-pci-bridges *or* any pci-bridges.

3) Although it is strongly discouraged, it is legal for a pci-bridge
   to be directly plugged into pcie-root, and we don't want to
   auto-add a dmi-to-pci-bridge if there is already a pci-bridge
   that's been forced directly into pcie-root.

Although libvirt will now automatically create a dmi-to-pci-bridge
when it's needed, the code still remains for now that forces a
dmi-to-pci-bridge on all domains with pcie-root (in
qemuDomainDefAddDefaultDevices()). That will be removed in a future
patch.

For now, the pcie-root-ports are added one to a slot, which is a bit
wasteful and means it will fail after 31 total PCIe devices (30 if
there are also some PCI devices), but helps keep the changeset down
for this patch. A future patch will have 8 pcie-root-ports sharing the
functions on a single slot.
2016-11-14 14:19:36 -05:00
Laine Stump
b2c887844f qemu: only force an available legacy-PCI slot on domains with pci-root
Andrea had the right idea when he disabled the "reserve an extra
unused slot" bit for aarch64/virt. For *any* PCI Express-based
machine, it is pointless since 1) an extra legacy-PCI slot can't be
used for hotplug, since hotplug into legacy PCI slots doesn't work on
PCI Express machinetypes, and 2) even for "coldplug" expansion,
everybody will want to expand using Express controllers, not legacy
PCI.

This patch eliminates the extra slot reserve unless the system has a
pci-root (i.e. legacy PCI)
2016-11-14 14:18:49 -05:00
Laine Stump
5266426b21 qemu: assign nec-xhci (USB3) controller to a PCIe address when appropriate
The nec-usb-xhci device (which is a USB3 controller) has always
presented itself as a PCI device when plugged into a legacy PCI slot,
and a PCIe device when plugged into a PCIe slot, but libvirt has
always auto-assigned it to a legacy PCI slot.

This patch changes that behavior to auto-assign to a PCIe slot on
systems that have pcie-root (e.g. Q35 and aarch64/virt).

Since we don't yet auto-create pcie-*-port controllers on demand, this
means a config with an nec-xhci USB controller that has no PCI address
assigned will also need to have an otherwise-unused pcie-*-port
controller specified:

   <controller type='pci' model='pcie-root-port'/>
   <controller type='usb' model='nec-xhci'/>

(this assumes there is an otherwise-unused slot on pcie-root to accept
the pcie-root-port)
2016-11-14 14:18:06 -05:00
Laine Stump
9dfe733e99 qemu: assign e1000e network devices to PCIe slots when appropriate
The e1000e is an emulated network device based on the Intel 82574,
present in qemu 2.7.0 and later. Among other differences from the
e1000, it presents itself as a PCIe device rather than legacy PCI. In
order to get it assigned to a PCIe controller, this patch updates the
flags setting for network devices when the model name is "e1000e".

(Note that for some reason libvirt has never validated the network
device model names other than to check that there are no dangerous
characters in them. That should probably change, but is the subject of
another patch.)

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1343094
2016-11-14 14:17:14 -05:00
Laine Stump
c7fc151eec qemu: assign virtio devices to PCIe slot when appropriate
libvirt previously assigned nearly all devices to a "hotpluggable"
legacy PCI slot even on machines with a PCIe root bus (and even though
most such machines don't even support hotplug on legacy PCI slots!)
Forcing all devices onto legacy PCI slots means that the domain will
need a dmi-to-pci-bridge (to convert from PCIe to legacy PCI) and a
pci-bridge (to provide hotpluggable legacy PCI slots which, again,
usually aren't hotpluggable anyway).

To help reduce the need for these legacy controllers, this patch tries
to assign virtio-1.0-capable devices to PCIe slots whenever possible,
by setting appropriate connectFlags in
virDomainCalculateDevicePCIConnectFlags(). Happily, when that function
was written (just a few commits ago) it was created with a
"virtioFlags" argument, set by both of its callers, which is the
proper connectFlags to set for any virtio-*-pci device - depending on
the arch/machinetype of the domain, and whether or not the qemu binary
supports virtio-1.0, that flag will have either been set to PCI or
PCIe. This patch merely enables the functionality by setting the flags
for the device to whatever is in virtioFlags if the device is a
virtio-*-pci device.

NB: the first virtio video device will be placed directly on bus 0
slot 1 rather than on a pcie-root-port due to the override for primary
video devices in qemuDomainValidateDevicePCISlotsQ35(). Whether or not
to change that is a topic of discussion, but this patch doesn't change
that particular behavior.

NB2: since the slot must be hotpluggable, and pcie-root (the PCIe root
complex) does *not* support hotplug, this means that suitable
controllers must also be in the config (i.e. either pcie-root-port, or
pcie-downstream-port). For now, libvirt doesn't add those
automatically, so if you put virtio devices in a config for a qemu
that has PCIe-capable virtio devices, you'll need to add extra
pcie-root-ports yourself. That requirement will be eliminated in a
future patch, but for now, it's simple to do this:

   <controller type='pci' model='pcie-root-port'/>
   <controller type='pci' model='pcie-root-port'/>
   <controller type='pci' model='pcie-root-port'/>
   ...

Partially Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1330024
2016-11-14 14:16:12 -05:00
Laine Stump
b27375a9b8 qemu: set pciConnectFlags to 0 instead of PCI|HOTPLUGGABLE if device isn't PCI
This patch cleans up the connect flags for certain types/models of
devices that aren't PCI to return 0. In the future that may be used as
an indicator to the caller about whether or not a device needs a PCI
address. For now it's just ignored, except for in
virDomainPCIAddressEnsureAddr() - called during device hotplug - (and
in some cases actually needs to be re-set to PCI|HOTPLUGGABLE just in
case someone (in some old config) has manually set a PCI address for a
device that isn't PCI.
2016-11-14 14:14:38 -05:00
Laine Stump
abb7a4bd6b qemu: set/use proper pciConnectFlags during hotplug
Before now, all the qemu hotplug functions assumed that all devices to
be hotplugged were legacy PCI endpoint devices
(VIR_PCI_CONNECT_TYPE_PCI_DEVICE). This worked out "okay", because all
devices *are* legacy PCI endpoint devices on x86/440fx machinetypes,
and hotplug didn't work properly on machinetypes using PCIe anyway
(hotplugging onto a legacy PCI slot doesn't work, and until commit
b87703cf any attempt to manually specify a PCIe address for a
hotplugged device would be erroneously rejected).

This patch makes all qemu hotplug operations honor the pciConnectFlags
set by the single all-knowing function
qemuDomainDeviceCalculatePCIConnectFlags(). This is done in 3 steps,
but in a single commit since we would have to touch the other points
at each step anyway:

1) add a flags argument to the hypervisor-agnostic
virDomainPCIAddressEnsureAddr() (previously it hardcoded
..._PCI_DEVICE)

2) add a new qemu-specific function qemuDomainEnsurePCIAddress() which
gets the correct pciConnectFlags for the device from
qemuDomainDeviceConnectFlags(), then calls
virDomainPCIAddressEnsureAddr().

3) in qemu_hotplug.c replace all calls to
virDomainPCIAddressEnsureAddr() with calls to
qemuDomainEnsurePCIAddress()

So in effect, we're putting a "shim" on top of all calls to
virDomainPCIAddressEnsureAddr() that sets the right pciConnectFlags.
2016-11-14 14:09:10 -05:00
Laine Stump
7f784f576b qemu: set/use info->pciConnectFlags when validating/assigning PCI addresses
Set pciConnectFlags in each device's DeviceInfo and then use those
flags later when validating existing addresses in
qemuDomainCollectPCIAddress() and when assigning new addresses with
qemuDomainPCIAddressReserveNextAddr() (rather than scattering the
logic about which devices need which type of slot all over the place).

Note that the exact flags set by
qemuDomainDeviceCalculatePCIConnectFlags() are different from the
flags previously set manually in qemuDomainCollectPCIAddress(), but
this doesn't matter because all validation of addresses in that case
ignores the setting of the HOTPLUGGABLE flag, and treats PCIE_DEVICE
and PCI_DEVICE the same (this lax checking was done on purpose,
because there are some things that we want to allow the user to
specify manually, e.g. assigning a PCIe device to a PCI slot, that we
*don't* ever want libvirt to do automatically. The flag settings that
we *really* want to match are 1) the old flag settings in
qemuDomainAssignDevicePCISlots() (which is HOTPLUGGABLE | PCI_DEVICE
for everything except PCI controllers) and 2) the new flag settings
done by qemuDomainDeviceCalculatePCIConnectFlags() (which are
currently exactly that - HOTPLUGGABLE | PCI_DEVICE for everything
except PCI controllers).
2016-11-14 14:06:57 -05:00
Laine Stump
bd776c2b09 qemu: new functions to calculate/set device pciConnectFlags
The lowest level function of this trio
(qemuDomainDeviceCalculatePCIConnectFlags()) aims to be the single
authority for the virDomainPCIConnectFlags to use for any given device
using a particular arch/machinetype/qemu-binary.

qemuDomainFillDevicePCIConnectFlags() sets info->pciConnectFlags in a
single device (unless it has no virDomainDeviceInfo, in which case
it's a NOP).

qemuDomainFillAllPCIConnectFlags() sets info->pciConnectFlags in all
devices that have a virDomainDeviceInfo

The latter two functions aren't called anywhere yet. This commit is
just making them available. Later patches will replace all the current
hodge-podge of flag settings with calls to this single authority.
2016-11-14 14:05:03 -05:00
Laine Stump
50adb8a660 qemu: new functions qemuDomainMachineHasPCI[e]Root()
These functions provide a simple one line method of learning if the
current domain has a pci-root or pcie-root bus.
2016-11-14 14:03:09 -05:00
Pavel Glushchak
4f949f7486 vz: fixed migration in p2p mode
dom xml generated on begin step should be passed
to perform step in VIR_MIGRATE_PARAM_DEST_XML parameter.
Otherwise 'XML error: failed to parse xml document' is
raised on destination host as dom xml is NULL.

Signed-off-by: Pavel Glushchak <pglushchak@virtuozzo.com>
2016-11-14 21:22:40 +03:00
Erik Skultety
bdd6899b55 tools: Replace vshPrint with vshPrintExtra on places we forgot about
Although there already was an effort (b620bdee) to replace vshPrint occurrences
with vshPrintExtra due to '--quiet' flag, there were still some leftovers. So
this patch fixes them, hopefully for good.

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1356881

Signed-off-by: Erik Skultety <eskultet@redhat.com>
2016-11-14 12:14:11 +01:00
Erik Skultety
53525f914d tools: use vshError rather than vshPrint on failure
There were a few places in our virsh* code where instead of calling vshError
on failure we called vshPrint.

Signed-off-by: Erik Skultety <eskultet@redhat.com>
2016-11-14 12:14:11 +01:00
Michal Privoznik
5805492002 storage.html.in: Kill useless spaces in <pre/>
The <pre/> section is rendered as-is on the page. That is, if all
the lines are prefixed with 4 spaces the rendered page will also
have them. Problem is if we put a box around such <pre/> because
the content might not fix into it.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
2016-11-14 11:03:34 +01:00
Michal Privoznik
d0d1de0f2b migration.html.in: Kill useless spaces in <pre/>
The <pre/> section is rendered as-is on the page. That is, if all
the lines are prefixed with 4 spaces the rendered page will also
have them. Problem is if we put a box around such <pre/> because
the content might not fix into it.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
2016-11-14 11:03:34 +01:00
Michal Privoznik
3260b7d3cc logging.html.in: Kill useless spaces in <pre/>
The <pre/> section is rendered as-is on the page. That is, if all
the lines are prefixed with 4 spaces the rendered page will also
have them. Problem is if we put a box around such <pre/> because
the content might not fix into it.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
2016-11-14 11:03:34 +01:00
Michal Privoznik
7c67aee258 locking-sanlock.html.in: Kill useless spaces in <pre/>
The <pre/> section is rendered as-is on the page. That is, if all
the lines are prefixed with 4 spaces the rendered page will also
have them. Problem is if we put a box around such <pre/> because
the content might not fix into it.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
2016-11-14 11:03:34 +01:00
Michal Privoznik
039c9d5ac7 locking-lockd.html.in: Kill useless spaces in <pre/>
The <pre/> section is rendered as-is on the page. That is, if all
the lines are prefixed with 4 spaces the rendered page will also
have them. Problem is if we put a box around such <pre/> because
the content might not fix into it.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
2016-11-14 11:03:34 +01:00
Michal Privoznik
538a5feada rpc.html.in: Kill useless spaces in <pre/>
The <pre/> section is rendered as-is on the page. That is, if all
the lines are prefixed with 4 spaces the rendered page will also
have them. Problem is if we put a box around such <pre/> because
the content might not fix into it.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
2016-11-14 11:03:34 +01:00
Michal Privoznik
f639ab2a4f locking.html.in: Kill useless spaces in <pre/>
The <pre/> section is rendered as-is on the page. That is, if all
the lines are prefixed with 4 spaces the rendered page will also
have them. Problem is if we put a box around such <pre/> because
the content might not fix into it.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
2016-11-14 11:03:34 +01:00
Michal Privoznik
e693c444af command.html.in: Kill useless spaces in <pre/>
The <pre/> section is rendered as-is on the page. That is, if all
the lines are prefixed with 4 spaces the rendered page will also
have them. Problem is if we put a box around such <pre/> because
the content might not fix into it.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
2016-11-14 11:03:34 +01:00
Michal Privoznik
4753d88c39 formatstorageencryption.html.in: Kill useless spaces in <pre/>
The <pre/> section is rendered as-is on the page. That is, if all
the lines are prefixed with 4 spaces the rendered page will also
have them. Problem is if we put a box around such <pre/> because
the content might not fix into it.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
2016-11-14 11:03:34 +01:00
Michal Privoznik
88af7cacd3 formatstorage.html.in: Kill useless spaces in <pre/>
The <pre/> section is rendered as-is on the page. That is, if all
the lines are prefixed with 4 spaces the rendered page will also
have them. Problem is if we put a box around such <pre/> because
the content might not fix into it.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
2016-11-14 11:03:34 +01:00
Michal Privoznik
2b05485f3e formatsecret.html.in: Kill useless spaces in <pre/>
The <pre/> section is rendered as-is on the page. That is, if all
the lines are prefixed with 4 spaces the rendered page will also
have them. Problem is if we put a box around such <pre/> because
the content might not fix into it.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
2016-11-14 11:03:34 +01:00
Michal Privoznik
2780c1a866 formatnwfilter.html.in: Kill useless spaces in <pre/>
The <pre/> section is rendered as-is on the page. That is, if all
the lines are prefixed with 4 spaces the rendered page will also
have them. Problem is if we put a box around such <pre/> because
the content might not fix into it.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
2016-11-14 11:03:34 +01:00
Michal Privoznik
f31be1499b formatnetwork.html.in: Kill useless spaces in <pre/>
The <pre/> section is rendered as-is on the page. That is, if all
the lines are prefixed with 4 spaces the rendered page will also
have them. Problem is if we put a box around such <pre/> because
the content might not fix into it.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
2016-11-14 11:03:34 +01:00
Michal Privoznik
b4d6b11139 formatdomain.html.in: Kill useless spaces in <pre/>
The <pre/> section is rendered as-is on the page. That is, if all
the lines are prefixed with 4 spaces the rendered page will also
have them. Problem is if we put a box around such <pre/> because
the content might not fix into it.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
2016-11-14 11:03:34 +01:00
Michal Privoznik
01a9dfb2fa formatcaps.html.in: Kill useless spaces in <pre/>
The <pre/> section is rendered as-is on the page. That is, if all
the lines are prefixed with 4 spaces the rendered page will also
have them. Problem is if we put a box around such <pre/> because
the content might not fix into it.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
2016-11-14 11:03:34 +01:00
Michal Privoznik
5b28dc16a4 format.html.in: Kill useless spaces in <pre/>
The <pre/> section is rendered as-is on the page. That is, if all
the lines are prefixed with 4 spaces the rendered page will also
have them. Problem is if we put a box around such <pre/> because
the content might not fix into it.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
2016-11-14 11:03:34 +01:00
Michal Privoznik
9fb9716640 drvlxc.html.in: Kill useless spaces in <pre/>
The <pre/> section is rendered as-is on the page. That is, if all
the lines are prefixed with 4 spaces the rendered page will also
have them. Problem is if we put a box around such <pre/> because
the content might not fix into it.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
2016-11-14 11:03:34 +01:00
Michal Privoznik
e4b987c106 drvesx.html.in: Kill useless spaces in <pre/>
The <pre/> section is rendered as-is on the page. That is, if all
the lines are prefixed with 4 spaces the rendered page will also
have them. Problem is if we put a box around such <pre/> because
the content might not fix into it.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
2016-11-14 11:03:34 +01:00
Michal Privoznik
5364d09433 drvbhyve.html.in: Kill useless spaces in <pre/>
The <pre/> section is rendered as-is on the page. That is, if all
the lines are prefixed with 4 spaces the rendered page will also
have them. Problem is if we put a box around such <pre/> because
the content might not fix into it.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
2016-11-14 11:03:34 +01:00
Michal Privoznik
406270059e downloads.html.in: Kill useless spaces in <pre/>
The <pre/> section is rendered as-is on the page. That is, if all
the lines are prefixed with 4 spaces the rendered page will also
have them. Problem is if we put a box around such <pre/> because
the content might not fix into it.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
2016-11-14 11:03:34 +01:00
Michal Privoznik
ca515fc8b2 devguide.html.in: Kill useless spaces in <pre/>
The <pre/> section is rendered as-is on the page. That is, if all
the lines are prefixed with 4 spaces the rendered page will also
have them. Problem is if we put a box around such <pre/> because
the content might not fix into it.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
2016-11-14 11:03:34 +01:00
Michal Privoznik
6a0043cdd8 compiling.html.in: Kill useless spaces in <pre/>
The <pre/> section is rendered as-is on the page. That is, if all
the lines are prefixed with 4 spaces the rendered page will also
have them. Problem is if we put a box around such <pre/> because
the content might not fix into it.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
2016-11-14 11:03:34 +01:00
Michal Privoznik
c215520578 cgroups.html.in: Kill useless spaces in <pre/>
The <pre/> section is rendered as-is on the page. That is, if all
the lines are prefixed with 4 spaces the rendered page will also
have them. Problem is if we put a box around such <pre/> because
the content might not fix into it.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
2016-11-14 11:03:34 +01:00
Michal Privoznik
63a3d5b802 aclpolkit.html.in: Kill useless spaces in <pre/>
The <pre/> section is rendered as-is on the page. That is, if all
the lines are prefixed with 4 spaces the rendered page will also
have them. Problem is if we put a box around such <pre/> because
the content might not fix into it.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
2016-11-14 11:03:34 +01:00
Michal Privoznik
ca1ac6643e qemuDomainAttachNetDevice: Avoid @originalError leak
Coverity identified that this variable might be leaked. And it's
right. If an error occurred and we have to roll back the control
jumps to try_remove label where we save the current error (see
0e82fa4c34 for more info). However, inside the code a jump onto
other label is possible thus leaking the error object.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
2016-11-14 10:58:58 +01:00
Erik Skultety
e555ed6f7b admin: Use the newly introduced close callback handling helpers
Use the newly introduced close callback helpers to make the code look just a
bit cleaner and more importantly, to fix the following memleak regarding a
dangling virAdmConnect object reference caused by assigning NULL to the close
callback data once the catch-disconnect routine used the callback followed
by a comparison of NULL to the originally defined close callback (which at that
moment had already been NULL'd by remoteAdminClientCloseFunc) in
virAdmConnectCloseCallbackUnregister.

717 (88 direct, 629 indirect) bytes in 1 blocks are definitely lost record
 110 of 141
    at 0x4C2A988: calloc (vg_replace_malloc.c:711)
    by 0x530696F: virAllocVar (viralloc.c:560)
    by 0x53689E6: virObjectNew (virobject.c:193)
    by 0x5368B5E: virObjectLockableNew (virobject.c:219)
    by 0x4E3E7EE: virAdmConnectNew (datatypes.c:900)
    by 0x4E398BB: virAdmConnectOpen (libvirt-admin.c:220)
    by 0x10D3E3: vshAdmConnect (virt-admin.c:161)
    by 0x10D624: vshAdmReconnect (virt-admin.c:215)
    by 0x10DB0A: cmdConnect (virt-admin.c:353)
    by 0x11288F: vshCommandRun (vsh.c:1313)
    by 0x10FDB6: main (virt-admin.c:1439)

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1357358

Signed-off-by: Erik Skultety <eskultet@redhat.com>
2016-11-14 10:18:56 +01:00
Erik Skultety
7cea74a3b2 datatypes: Introduce some admin-related close callback handling helpers
Well, there were three different spots where closeCallback->freeCallback was
called, not looking the same --> potential for bugs - and there indeed is a bug
with refcounting of the @conn object. So this patch partially follows the path
set by commit 24dbb69f by introducing some close callback helpers both to
replace all the spots where we call clean the close callback data with a
dedicated function and to be able to fix the refcounting bug causing a memleak.

Signed-off-by: Erik Skultety <eskultet@redhat.com>
2016-11-14 10:18:56 +01:00
Erik Skultety
d46a1e5d45 admin: Remove unnecessary @conn object locking
The only place we change the @conn object is actually virAdmConnectOpen
routine, thus at the moment we don't really need to lock it, given the fact that
what we're trying to do here is to change the closeCallback object which is a
lockable object itself, so that should be enough to avoid races.

Signed-off-by: Erik Skultety <eskultet@redhat.com>
2016-11-14 10:18:56 +01:00
Erik Skultety
b98b3b742b vsh: Drop conditional error reporting in vshErrorHandler
First, since commit 834c5720 the error reporting within the vshErrorHandler
doesn't work because there was a lot of renaming going on (dull mechanical
renaming without much thinking about it, yep - shame on me) and so the original
env variable VIRSH_DEBUG got renamed to VSH_DEBUG which we don't support nor
document anywhere. Second, by specifying this env variable, the last libvirt
error gets reported twice despite the fact we say the error reporting should be
deferred until the command finishes, and last but not least the vintage code's
logic is a bit 'odd', since the error would get reported iff the env variable
is set, even if the value should be equal to our DEFAULT value in which case it
doesn't make sense that we behave differently when an env variable is set to
some value and when there's no env variable at all but we use the same value
automatically as default.

Signed-off-by: Erik Skultety <eskultet@redhat.com>
2016-11-14 10:18:56 +01:00
Eric Blake
ba22ac05da build: update to latest gnulib
In particular, pull in gnulib's fix for the broken SIZE_MAX on s390.

* .gnulib: Update to latest.
* bootstrap: Resync to upstream.

Signed-off-by: Eric Blake <eblake@redhat.com>
2016-11-12 14:51:52 -06:00
Eric Farman
85b0721095 Cleanup switch statements on the hostdev subsystem type
As was suggested in an earlier review comment[1], we can
catch some additional code points by cleaning up how we use the
hostdev subsystem type in some switch statements.

[1] End of https://www.redhat.com/archives/libvir-list/2016-September/msg00399.html

Signed-off-by: Eric Farman <farman@linux.vnet.ibm.com>
Signed-off-by: John Ferlan <jferlan@redhat.com>
2016-11-11 16:58:56 -05:00
Erik Skultety
7b8e1dff1a vsh: Fix the incorrect environment variable prefix in error message
Unlike the other error messages in vshInitDebug, this one relied on a hardcoded
name of a variable instead of using the prefix of the tool calling the init
routine.

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1393854

Signed-off-by: Erik Skultety <eskultet@redhat.com>
2016-11-11 13:44:40 +01:00
Daniel P. Berrange
3c6481cc6e docs: remove bogus line-height override
The default browser line height is fine. Overriding it
causes <pre> blocks inside a <dl> to have enourmous
spacing.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2016-11-11 12:15:06 +00:00
Daniel P. Berrange
9153cb155e docs: add some content to the XML format main page
The XML format main page has never had any content in it,
relying on the left navbar to provide links to the XML
schema pages. Since the navbar is gone, the page needs
to have some content created, otherwise it is useless.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2016-11-11 12:15:06 +00:00
Daniel P. Berrange
6fb5dd4fd8 docs: remove outdated or duplicated content
Remove a bunch of pages which are either outdated, have no
content, or duplicate content better described elsewhere
in the site or wiki.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2016-11-11 12:15:06 +00:00