April 2013 - Devel - libvirt List Archives

[libvirt] [PATCH 0/3] Prohibit passing all clear cpumap for vcpupin/emulatorpin
by Osier Yang 05 Apr '13

05 Apr '13

*** NONE *** Osier Yang (3): util: Add a helper to check if all bits of a bitmap are clear qemu: Error out if the bitmap for pinning is all clear virsh: Prohibit all clear cpumap src/libvirt_private.syms | 1 + src/qemu/qemu_driver.c | 12 ++++++++++++ src/util/virbitmap.c | 30 ++++++++++++++++++++++++++++++ src/util/virbitmap.h | 3 +++ tools/virsh-domain.c | 35 ++++++++++++++++++++++++++++++----- 5 files changed, 76 insertions(+), 5 deletions(-) -- 1.8.1.4

4 15

[libvirt] [PATCH] build: check correct protocol.o file
by Eric Blake 05 Apr '13

05 Apr '13

By default, libtool builds two .o files for every .lo rule: src/foo.o - static builds src/.libs/foo.o - shared library builds But since commit ad42b34b disabled static builds, src/foo.o is no longer built by default. On a fresh checkout, this means our protocol check rules using pdwtags were testing a missing file, and thanks a lousy behavior of pdwtags happily giving no output and 0 exit status (http://bugzilla.redhat.com/949034) we were merely claiming that "dwarves is too old" and skipping the test. However, if you swap between branches and do incremental builds, such as building v0.10.2-maint and then switching back to master, you end up with src/foo.o being leftover from its 0.10.2 state, and then 'make check' fails because the .o file does not match the protocol-structs file due to API additions in the meantime. A simpler fix would be to always look in .libs for the .o to be parsed; but since it is possible to pass ./configure options to tell libtool to do a static-only build with no shared .o, I went with the approach of finding the newest of the two files, whenever both exist. * src/Makefile.am (PDWTAGS): Ensure we test just-built file. --- Pushing under the build-breaker rule. src/Makefile.am | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/src/Makefile.am b/src/Makefile.am index 78b4ab6..5dc58f9 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -341,9 +341,16 @@ r1 = /\* \d+ \*/ r2 = /\* <[[:xdigit:]]+> \S+:\d+ \*/ struct_prefix = (remote_|qemu_|lxc_|virNet|keepalive_) +# Depending on configure options, libtool creates one or both of +# {,.libs/}libvirt_remote_driver_la-remote_protocol.o. We want the +# newest of the two, in case configure options changed and a stale +# file is left around from an earlier build. PDWTAGS = \ $(AM_V_GEN)if (pdwtags --help) > /dev/null 2>&1; then \ - pdwtags --verbose $(<:.lo=.$(OBJEXT)) > $(@F)-t1 2> $(@F)-t2; \ + file=`ls -t $(<:.lo=.$(OBJEXT)) .libs/$(<:.lo=.$(OBJEXT)) \ + 2>/dev/null | sed -n 1p`; \ + test -f $$file || { echo ".o for $< not found" >&2; exit 1; };\ + pdwtags --verbose $$file > $(@F)-t1 2> $(@F)-t2; \ if test -s $(@F)-t2; then \ rm -rf $(@F)-t?; \ echo 'WARNING: pdwtags appears broken; skipping the $@ test' >&2;\ -- 1.8.1.4

1 0

[libvirt] [PATCH] Add a test suite for keycode mapping functions
by Daniel P. Berrange 05 Apr '13

05 Apr '13

From: "Daniel P. Berrange" <berrange(a)redhat.com> Validate that translations between different keycode sets are functioning. Signed-off-by: Daniel P. Berrange <berrange(a)redhat.com> --- tests/virkeycodetest.c | 107 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 107 insertions(+) create mode 100644 tests/virkeycodetest.c diff --git a/tests/virkeycodetest.c b/tests/virkeycodetest.c new file mode 100644 index 0000000..d3c5975 --- /dev/null +++ b/tests/virkeycodetest.c @@ -0,0 +1,107 @@ +/* + * Copyright (C) 2013 Red Hat, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; If not, see + * <http://www.gnu.org/licenses/>. + * + * Author: Daniel P. Berrange <berrange(a)redhat.com> + */ + +#include <config.h> + +#include <stdlib.h> + +#include "testutils.h" + +#include "virkeycode.h" +#include "virutil.h" +#include "virerror.h" +#include "viralloc.h" +#include "virlog.h" + +#include "virlockspace.h" + +#define VIR_FROM_THIS VIR_FROM_NONE + + +static int testKeycodeMapping(const void *data ATTRIBUTE_UNUSED) +{ + int ret = -1; + int got; + +#define TRANSLATE(from, to, val, want) \ + do { \ + if ((got = virKeycodeValueTranslate(VIR_KEYCODE_SET_##from, \ + VIR_KEYCODE_SET_##to, \ + val)) != want) { \ + fprintf(stderr, "Translating %d from %s to %s, got %d want %d\n", \ + val, #from, #to, got, want); \ + goto cleanup; \ + } \ + } while (0) + + TRANSLATE(LINUX, LINUX, 111, 111); + TRANSLATE(LINUX, USB, 111, 76); + TRANSLATE(LINUX, RFB, 88, 88); + TRANSLATE(LINUX, RFB, 160, 163); + TRANSLATE(ATSET2, ATSET3, 259, 55); + +#undef TRANSLATE + + ret = 0; +cleanup: + return ret; +} + + +static int testKeycodeStrings(const void *data ATTRIBUTE_UNUSED) +{ + int ret = -1; + int got; + +#define TRANSLATE(from, str, want) \ + do { \ + if ((got = virKeycodeValueFromString(VIR_KEYCODE_SET_##from, \ + str)) != want) { \ + fprintf(stderr, "Converting %s from %s, got %d want %d\n", \ + str, #from, got, want); \ + goto cleanup; \ + } \ + } while (0) + + TRANSLATE(LINUX, "KEY_DELETE", 111); + TRANSLATE(OSX, "Function", 0x3f); + TRANSLATE(WIN32, "VK_UP", 0x26); + +#undef TRANSLATE + + ret = 0; +cleanup: + return ret; +} + +static int +mymain(void) +{ + int ret = 0; + + if (virtTestRun("Keycode mapping ", 1, testKeycodeMapping, NULL) < 0) + ret = -1; + if (virtTestRun("Keycode strings ", 1, testKeycodeStrings, NULL) < 0) + ret = -1; + + return ret==0 ? EXIT_SUCCESS : EXIT_FAILURE; +} + +VIRT_TEST_MAIN(mymain) -- 1.8.1.4

2 2

[libvirt] [PATCH] build: use proper pod for nested bulleted VIRSH_DEBUG list
by Eric Blake 05 Apr '13

05 Apr '13

Newer pod (hello rawhide) complains if you attempt to mix bullets and non-bullets in the same list: virsh.pod around line 3177: Expected text after =item, not a bullet As our intent was to nest an inner list, we make that explicit to keep pod happy. * tools/virsh.pod (ENVIRONMENT): Use correct pod syntax. --- Pushing under the build-breaker rule. tools/virsh.pod | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/tools/virsh.pod b/tools/virsh.pod index 1c8f9ee..89467f6 100644 --- a/tools/virsh.pod +++ b/tools/virsh.pod @@ -3174,6 +3174,8 @@ of C<virsh> Turn on verbose debugging of virsh commands. Valid levels are +=over 4 + =item * VIRSH_DEBUG=0 DEBUG - Messages at ALL levels get logged @@ -3194,6 +3196,8 @@ WARNING - Logs messages at levels WARNING and ERROR ERROR - Messages at only ERROR level gets logged. +=back + =item VIRSH_LOG_FILE=C<LOGFILE> The file to log virsh debug messages. -- 1.8.1.4

1 0

[libvirt] [PATCH] qemu: Don't require a block or file when looking for an alias.
by Wido den Hollander 05 Apr '13

05 Apr '13

From: root <root(a)kvm01.(none)> This for example prohibits you to use iotune for Ceph or Sheepdog devices. Signed-off-by: Wido den Hollander <wido(a)widodh.nl> --- src/qemu/qemu_driver.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c index 552a81b..464d30a 100644 --- a/src/qemu/qemu_driver.c +++ b/src/qemu/qemu_driver.c @@ -13032,10 +13032,6 @@ qemuDiskPathToAlias(virDomainObjPtr vm, const char *path, int *idx) if (idx) *idx = i; - if (disk->type != VIR_DOMAIN_DISK_TYPE_BLOCK && - disk->type != VIR_DOMAIN_DISK_TYPE_FILE) - goto cleanup; - if (disk->src) { if (virAsprintf(&ret, "drive-%s", disk->info.alias) < 0) { virReportOOMError(); -- 1.7.9.5

2 2

[libvirt] [PATCH] Make guest OS bootable when hardware failure happens in log disk
by Seiji Aguchi 05 Apr '13

05 Apr '13

[Problem] Currently, guest OS's messages can be logged to a local disk of host OS by creating chadevs with options below. -chardev file,id=charserial0,path=<log file's path> -device isa-serial,chardev=chardevserial0,id=serial0 When a hardware failure happens in the disk, qemu-kvm can't create the chardevs. In this case, guest OS doesn't boot up. Actually, there are users who don't desire that guest OS goes down due to a hardware failure of a log disk only.Therefore, libvirt should offer some way to boot guest OS up even if the log disk is broken. [Solution] This patch changes a destination to /dev/null in case a log file can't be opened. Signed-off-by: Seiji Aguchi <seiji.aguchi(a)hds.com> --- src/qemu/qemu_process.c | 20 +++++++++++++++++++- 1 files changed, 19 insertions(+), 1 deletions(-) diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c index 8c4bfb7..fdf26ad 100644 --- a/src/qemu/qemu_process.c +++ b/src/qemu/qemu_process.c @@ -2440,7 +2440,25 @@ qemuProcessPrepareChardevDevice(virDomainDefPtr def ATTRIBUTE_UNUSED, virReportSystemError(errno, _("Unable to pre-create chardev file '%s'"), dev->source.data.file.path); - return -1; + VIR_FREE(dev->source.data.file.path); + /* + * Change a destination to /dev/null to boot guest OS up + * even if a log disk is broken. + */ + dev->source.data.file.path = strdup("/dev/null"); + + if (!dev->source.data.file.path) { + virReportOOMError(); + return -1; + } + + if ((fd = open(dev->source.data.file.path, + O_CREAT | O_APPEND, S_IRUSR|S_IWUSR)) < 0) { + virReportSystemError(errno, + _("Unable to pre-create chardev file '%s'"), + dev->source.data.file.path); + return -1; + } } VIR_FORCE_CLOSE(fd); -- 1.7.1

2 2

[libvirt] [PATCH] qemu: Remove maximum cpu limit when setting processor count using the API
by Peter Krempa 05 Apr '13

05 Apr '13

When setting processor count for a domain using the API libvirt enforced a maximum processor count, while it isn't enforced when taking the XML path. This patch removes the check to match the API. --- src/qemu/qemu_driver.c | 24 +++--------------------- 1 file changed, 3 insertions(+), 21 deletions(-) diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c index 3f62414..833bf7f 100644 --- a/src/qemu/qemu_driver.c +++ b/src/qemu/qemu_driver.c @@ -3737,8 +3737,6 @@ qemuDomainSetVcpusFlags(virDomainPtr dom, unsigned int nvcpus, virQEMUDriverPtr driver = dom->conn->privateData; virDomainObjPtr vm = NULL; virDomainDefPtr persistentDef; - const char * type; - int max; int ret = -1; bool maximum; virQEMUDriverConfigPtr cfg = NULL; @@ -3778,27 +3776,11 @@ qemuDomainSetVcpusFlags(virDomainPtr dom, unsigned int nvcpus, goto endjob; } - if (!(type = virDomainVirtTypeToString(vm->def->virtType))) { - virReportError(VIR_ERR_INTERNAL_ERROR, - _("unknown virt type in domain definition '%d'"), - vm->def->virtType); - goto endjob; - } - - if ((max = qemuGetMaxVCPUs(NULL, type)) < 0) { - virReportError(VIR_ERR_INTERNAL_ERROR, "%s", - _("could not determine max vcpus for the domain")); - goto endjob; - } - - if (!maximum && vm->def->maxvcpus < max) { - max = vm->def->maxvcpus; - } - - if (nvcpus > max) { + if (!maximum && nvcpus > vm->def->maxvcpus) { virReportError(VIR_ERR_INVALID_ARG, _("requested vcpus is greater than max allowable" - " vcpus for the domain: %d > %d"), nvcpus, max); + " vcpus for the domain: %d > %d"), + nvcpus, vm->def->maxvcpus); goto endjob; } -- 1.8.1.5

2 4

[libvirt] [PATCH 0/5] Drop virReportOOMReport from almost everywhere
by Michal Privoznik 05 Apr '13

05 Apr '13

3 13

[libvirt] [PATCH v2 2/2] Implement support for <hostdev caps=net>
by Bogdan Purcareata 05 Apr '13

05 Apr '13

This allows a container-type domain to have exclusive access to one of the host's NICs. Wire <hostdev caps=net> with the lxc_controller - when moving the newly created veth devices into a new namespace, also look for any hostdev devices that should be moved. Note: once the container domain has been destroyed, there is no code that moves the interfaces back to the original namespace. This does happen, though, probably due to default cleanup on namespace destruction. Signed-off-by: Bogdan Purcareata <bogdan.purcareata(a)freescale.com> --- src/lxc/lxc_container.c | 4 +++- src/lxc/lxc_controller.c | 16 ++++++++++++++++ src/lxc/lxc_hostdev.c | 1 + 3 files changed, 20 insertions(+), 1 deletion(-) diff --git a/src/lxc/lxc_container.c b/src/lxc/lxc_container.c index 002ba9e..e59bfdf 100644 --- a/src/lxc/lxc_container.c +++ b/src/lxc/lxc_container.c @@ -1551,7 +1551,6 @@ cleanup: return ret; } - static int lxcContainerSetupHostdevSubsys(virDomainDefPtr vmDef, virDomainHostdevDefPtr def, const char *dstprefix, @@ -1582,6 +1581,9 @@ static int lxcContainerSetupHostdevCaps(virDomainDefPtr vmDef, case VIR_DOMAIN_HOSTDEV_CAPS_TYPE_MISC: return lxcContainerSetupHostdevCapsMisc(vmDef, def, dstprefix, securityDriver); + case VIR_DOMAIN_HOSTDEV_CAPS_TYPE_NET: + return 0; // case is handled in virLXCControllerMoveInterfaces + default: virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("Unsupported host device mode %s"), diff --git a/src/lxc/lxc_controller.c b/src/lxc/lxc_controller.c index cede445..edd99bf 100644 --- a/src/lxc/lxc_controller.c +++ b/src/lxc/lxc_controller.c @@ -1050,12 +1050,28 @@ cleanup2: static int virLXCControllerMoveInterfaces(virLXCControllerPtr ctrl) { size_t i; + virDomainDefPtr def = ctrl->def; for (i = 0 ; i < ctrl->nveths ; i++) { if (virNetDevSetNamespace(ctrl->veths[i], ctrl->initpid) < 0) return -1; } + for (i = 0; i < def->nhostdevs; i ++) { + virDomainHostdevDefPtr hdev = def->hostdevs[i]; + + if (hdev->mode != VIR_DOMAIN_HOSTDEV_MODE_CAPABILITIES) + continue; + + virDomainHostdevCaps hdcaps = hdev->source.caps; + + if (hdcaps.type != VIR_DOMAIN_HOSTDEV_CAPS_TYPE_NET) + continue; + + if (virNetDevSetNamespace(hdcaps.u.net.iface, ctrl->initpid) < 0) + return -1; + } + return 0; } diff --git a/src/lxc/lxc_hostdev.c b/src/lxc/lxc_hostdev.c index 33b0b60..53a1a31 100644 --- a/src/lxc/lxc_hostdev.c +++ b/src/lxc/lxc_hostdev.c @@ -307,6 +307,7 @@ int virLXCPrepareHostDevices(virLXCDriverPtr driver, switch (dev->source.subsys.type) { case VIR_DOMAIN_HOSTDEV_CAPS_TYPE_STORAGE: case VIR_DOMAIN_HOSTDEV_CAPS_TYPE_MISC: + case VIR_DOMAIN_HOSTDEV_CAPS_TYPE_NET: break; default: virReportError(VIR_ERR_CONFIG_UNSUPPORTED, -- 1.7.11.7

1 0

[libvirt] libvirt_lxc: implement <hostdev caps=net> device isolation in containers
by Bogdan Purcareata 05 Apr '13

05 Apr '13

This set of patches implements <hostdev caps=net> interface isolation in containers, thus allowing an interface NIC to be assigned exclusively to a container-domain. This is done like moving veth devices in container namespaces, only this time it is actual host devices.

2 4