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[libvirt] [tck PATCH] Don't set a default value for ostype
by Daniel P. Berrangé 26 Feb '19

26 Feb '19

We must leave ostype undefined by default so that we can auto-detect the right ostype based on reported capabilities. This fixes the ability to run tests with the LXC driver previously broken in commit c1af9677491d41c8d7a6cc741674e234796de6d0 Author: Daniel P. Berrange <berrange(a)redhat.com> Date: Thu Mar 27 11:57:14 2014 +0000 Change 'Sys::Virt::TCK::generic_domain' to take named params Signed-off-by: Daniel P. Berrangé <berrange(a)redhat.com> --- lib/Sys/Virt/TCK.pm | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/Sys/Virt/TCK.pm b/lib/Sys/Virt/TCK.pm index f715ee1..389d5cc 100644 --- a/lib/Sys/Virt/TCK.pm +++ b/lib/Sys/Virt/TCK.pm @@ -919,7 +919,7 @@ sub generic_domain { my %params = @_; my $name = exists $params{name} ? $params{name} : "tck"; - my $ostype = exists $params{ostype} ? $params{ostype} : "hvm"; + my $ostype = exists $params{ostype} ? $params{ostype} : undef; my $fullos = exists $params{fullos} ? $params{fullos} : 0; my $netmode = exists $params{netmode} ? $params{netmode} : undef; my $shareddisk = exists $params{shareddisk} ? $params{shareddisk} : 0; -- 2.20.1

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[libvirt] [PATCH 0/6] lxc: Clean up lxcNetworkWalkCallback() method.
by Julio Faracco 26 Feb '19

26 Feb '19

This series has a lots of cleanups to prepare lxc to handle network settings for verion 3.0 or higher. The new version is considering network indexes to define network interfaces. i.e.: "lxc.net.X.". As we need modular structures to support both versions, this method needs a cleanup before accepting new features for version 3. Obs: this version does not include any new feature for LXC 3.0 network. Julio Faracco (6): lxc: Create a separate method to handle IPv{4,6} outside parser. lxc: Create a new method called lxcNetworkParseDataEntry(). lxc: Converting full string entries in types only. lxc: Refactoring lxcNetworkWalkCallback() to a simple method. lxc: Create a method to initialize network data outisde. lxc: Converting 'if,else' logic into a 'switch,case'. src/lxc/lxc_native.c | 184 +++++++++++++++++++++++++++++-------------- src/lxc/lxc_native.h | 17 ++++ 2 files changed, 141 insertions(+), 60 deletions(-) -- 2.19.1

2 14

[libvirt] [PATCH] util: json: Nuke strings when freeing JSON objects
by Peter Krempa 26 Feb '19

26 Feb '19

We construct JSON objects e.g. for setting the VNC password but then just VIR_FREE the strings cointained inside. If it was the password string would be kept on the heap. Exchange some cpu cycles for a warm feeling of security. Signed-off-by: Peter Krempa <pkrempa(a)redhat.com> --- src/util/virjson.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/util/virjson.c b/src/util/virjson.c index d5d66f879f..db38fd0dc0 100644 --- a/src/util/virjson.c +++ b/src/util/virjson.c @@ -423,7 +423,7 @@ virJSONValueFree(virJSONValuePtr value) VIR_FREE(value->data.array.values); break; case VIR_JSON_TYPE_STRING: - VIR_FREE(value->data.string); + VIR_DISPOSE_STRING(value->data.string); break; case VIR_JSON_TYPE_NUMBER: VIR_FREE(value->data.number); -- 2.20.1

2 1

[libvirt] [PATCH 0/2] fix snapshot --redefine bugs (incremental backup saga)
by Eric Blake 26 Feb '19

26 Feb '19

I ran into these while trying to debug my additions of bulk dumpxml/redefine for use with both snapshots and checkpoints. It is a long-standing bug (a fact not made any nicer by our delay in implementing revert to external snapshots, oh well), but one that has escaped notice until now. Eric Blake (2): snapshot: Permit redefine of offline external snapshot qemu: Fix snapshot redefine vs. domain state bug src/conf/snapshot_conf.c | 11 ++-- src/qemu/qemu_driver.c | 117 ++++++++++++++++++++++++--------------- 2 files changed, 76 insertions(+), 52 deletions(-) -- 2.20.1

2 5

[libvirt] [PATCH] qemu: fix vcpupin fail as no vcpu tid set
by Wen Yang 26 Feb '19

26 Feb '19

From: Yi Wang <wang.yi59(a)zte.com.cn> vcpupin will fail when maxvcpus is larger than current vcpu: virsh vcpupin win7 --vcpu 0 --cpulist 5-6 error: Requested operation is not valid: cpu affinity is not supported win7 xml in the command above is like below: ... <vcpu current="3" placement="static">8</vcpu> ... This issue is caused by qemuDomainRefreshVcpuInfo(), which mistake to make validTIDs false and not set vcpu tid because vcpu[3] and vcpu[4] have duplicate zero tids. This patch fix this. Signed-off-by: Yi Wang <wang.yi59(a)zte.com.cn> --- src/qemu/qemu_domain.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c index ac01e86..6987550 100644 --- a/src/qemu/qemu_domain.c +++ b/src/qemu/qemu_domain.c @@ -10701,6 +10701,9 @@ qemuDomainRefreshVcpuInfo(virQEMUDriverPtr driver, * impl which we can support. */ for (i = 0; i < maxvcpus && validTIDs; i++) { + if (vm->def->virtType != VIR_DOMAIN_VIRT_QEMU) + break; + if (info[i].tid == vm->pid) { VIR_DEBUG("vCPU[%zu] PID %llu duplicates process", i, (unsigned long long)info[i].tid); -- 1.8.3.1

3 2

[libvirt] [PATCH 0/4] util: Few more VIR_AUTO... related cleanups
by Peter Krempa 26 Feb '19

26 Feb '19

Document that VIR_AUTOPTR should not be used with vectors ... Peter Krempa (4): util: alloc: Remove pointless clearing of variable in AUTOPTR_FUNCs util: alloc: Introduce macro for self-freeing NULL-terminated lists util: string: Use VIR_AUTOLISTPTR for 'virString' util: alloc: Note that VIR_AUTOPTR/VIR_AUTOCLEAN must not be used with vectors src/lxc/lxc_process.c | 2 +- src/qemu/qemu_conf.c | 8 +-- src/storage/storage_backend_sheepdog.c | 4 +- src/storage/storage_backend_zfs.c | 10 ++-- src/util/viralloc.h | 70 +++++++++++++++++++++++++- src/util/vircommand.c | 2 +- src/util/virfirewall.c | 2 +- src/util/virprocess.c | 2 +- src/util/virstoragefile.c | 10 ++-- src/util/virstring.h | 2 +- src/xenconfig/xen_common.c | 6 +-- 11 files changed, 93 insertions(+), 25 deletions(-) -- 2.20.1

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[libvirt] [dockerfiles PATCH] refresh: Adapt to recent lcitool changes
by Andrea Bolognani 26 Feb '19

26 Feb '19

lcitool uses argparse subparsers and positional parameters now, so we need to make sure we invoke it appropriately. This is needed since libvirt-jenkins-ci commit bfb9d96664f0. Signed-off-by: Andrea Bolognani <abologna(a)redhat.com> --- Pushed as trivial. refresh | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/refresh b/refresh index 922abcf..701d2af 100755 --- a/refresh +++ b/refresh @@ -14,7 +14,7 @@ cd "$ci_repo/guests/" >/dev/null 2>&1 || { die "Usage: $me path/to/libvirt-jenkins-ci.git" } -for host in $(./lcitool -a hosts) +for host in $(./lcitool hosts) do projects="libvirt" dockerfile="$here/buildenv-${host#libvirt-}.Dockerfile" @@ -24,7 +24,7 @@ do libvirt-freebsd-*) continue ;; esac - ./lcitool -a dockerfile -h "$host" -p "$projects" >"$dockerfile" || { + ./lcitool dockerfile "$host" "$projects" >"$dockerfile" || { die "$me: Failed to refresh Dockerfile for $host" } done -- 2.20.1

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[libvirt] [PATCH] virfile: added GPFS as shared fs
by Diego Michelotto 26 Feb '19

26 Feb '19

From: dmichelotto <diego.michelotto(a)cnaf.infn.it> Added GPFS as shared file system recognized during live migration security checks. GPFS is 'IBM General Parallel File System' also called 'IBM Spectrum Scale' BUG: https://bugzilla.redhat.com/show_bug.cgi?id=1679528 Signed-off-by: Diego Michelotto <diego.michelotto(a)cnaf.infn.it> --- src/util/virfile.c | 9 ++++++++- src/util/virfile.h | 1 + tests/virfiledata/mounts3.txt | 1 + tests/virfilemock.c | 5 +++++ tests/virfiletest.c | 1 + 5 files changed, 16 insertions(+), 1 deletion(-) diff --git a/src/util/virfile.c b/src/util/virfile.c index 271bf5e796..615c287104 100644 --- a/src/util/virfile.c +++ b/src/util/virfile.c @@ -3468,6 +3468,9 @@ int virFilePrintf(FILE *fp, const char *msg, ...) # ifndef CEPH_SUPER_MAGIC # define CEPH_SUPER_MAGIC 0x00C36400 # endif +# ifndef GPFS_SUPER_MAGIC +# define GPFS_SUPER_MAGIC 0x47504653 +# endif # define PROC_MOUNTS "/proc/mounts" @@ -3613,6 +3616,9 @@ virFileIsSharedFSType(const char *path, if ((fstypes & VIR_FILE_SHFS_CEPH) && (f_type == CEPH_SUPER_MAGIC)) return 1; + if ((fstypes & VIR_FILE_SHFS_GPFS) && + (f_type == GPFS_SUPER_MAGIC)) + return 1; return 0; } @@ -3776,7 +3782,8 @@ int virFileIsSharedFS(const char *path) VIR_FILE_SHFS_AFS | VIR_FILE_SHFS_SMB | VIR_FILE_SHFS_CIFS | - VIR_FILE_SHFS_CEPH); + VIR_FILE_SHFS_CEPH | + VIR_FILE_SHFS_GPFS); } diff --git a/src/util/virfile.h b/src/util/virfile.h index be612af770..0b946fe1ca 100644 --- a/src/util/virfile.h +++ b/src/util/virfile.h @@ -221,6 +221,7 @@ enum { VIR_FILE_SHFS_SMB = (1 << 4), VIR_FILE_SHFS_CIFS = (1 << 5), VIR_FILE_SHFS_CEPH = (1 << 6), + VIR_FILE_SHFS_GPFS = (1 << 7), }; int virFileIsSharedFSType(const char *path, int fstypes) ATTRIBUTE_NONNULL(1); diff --git a/tests/virfiledata/mounts3.txt b/tests/virfiledata/mounts3.txt index 68eded048c..4377e5d471 100644 --- a/tests/virfiledata/mounts3.txt +++ b/tests/virfiledata/mounts3.txt @@ -35,3 +35,4 @@ host:/gv0 /gluster fuse.glusterfs rw 0 0 root@host:/tmp/mkdir /gluster/sshfs fuse.sshfs rw 0 0 192.168.0.1:/ceph/data /ceph ceph rw,noatime,name=cephfs,secret=<hidden>,acl,wsize=16777216 0 0 192.168.0.1,192.168.0.2,192.168.0.3:/ceph/data2 /ceph/multi ceph rw,noatime,name=cephfs,secret=<hidden>,acl,wsize=16777216 0 0 +gpfs_data /gpfs/data gpfs rw,relatime 0 0 diff --git a/tests/virfilemock.c b/tests/virfilemock.c index 499135d773..89e14c5b67 100644 --- a/tests/virfilemock.c +++ b/tests/virfilemock.c @@ -89,6 +89,9 @@ setmntent(const char *filename, const char *type) #ifndef CEPH_SUPER_MAGIC # define CEPH_SUPER_MAGIC 0x00c36400 #endif +#ifndef GPFS_SUPER_MAGIC +# define GPFS_SUPER_MAGIC 0x47504653 +#endif static int @@ -137,6 +140,8 @@ statfs_mock(const char *mtab, ftype = FUSE_SUPER_MAGIC; } else if (STRPREFIX(mb.mnt_type, "ceph")) { ftype = CEPH_SUPER_MAGIC; + } else if (STRPREFIX(mb.mnt_type, "gpfs")) { + ftype = GPFS_SUPER_MAGIC; } else { /* Everything else is EXT4. We don't care really for other paths. */ ftype = EXT4_SUPER_MAGIC; diff --git a/tests/virfiletest.c b/tests/virfiletest.c index f90c611ac4..e2bd4953ed 100644 --- a/tests/virfiletest.c +++ b/tests/virfiletest.c @@ -457,6 +457,7 @@ mymain(void) DO_TEST_FILE_IS_SHARED_FS_TYPE("mounts3.txt", "/some/symlink/file", true); DO_TEST_FILE_IS_SHARED_FS_TYPE("mounts3.txt", "/ceph/file", true); DO_TEST_FILE_IS_SHARED_FS_TYPE("mounts3.txt", "/ceph/multi/file", true); + DO_TEST_FILE_IS_SHARED_FS_TYPE("mounts3.txt", "/gpfs/data", true); return ret != 0 ? EXIT_FAILURE : EXIT_SUCCESS; } -- 2.20.1

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[libvirt] [PATCH 0/2] Get rid of virDomainChrSourceDefFree
by Marc Hartmayer 26 Feb '19

26 Feb '19

Marc Hartmayer (2): qemu: Use refcounting for priv->monConfig qemu: Replace virDomainChrSourceDefFree with virObjectUnref cfg.mk | 1 - src/conf/domain_conf.c | 17 +++++------------ src/conf/domain_conf.h | 1 - src/libvirt_private.syms | 1 - src/qemu/qemu_domain.c | 4 ++-- src/qemu/qemu_driver.c | 5 +---- src/qemu/qemu_parse_command.c | 4 ++-- src/qemu/qemu_process.c | 11 +++++------ 8 files changed, 15 insertions(+), 29 deletions(-) -- 2.17.0

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[libvirt] [libvirt-perl] Remove-the-unused-parameter-in-document
by Dan Zheng 26 Feb '19

26 Feb '19

>From d3b0044699732dba54ff0360e626ea1738bfe872 Mon Sep 17 00:00:00 2001 From: Dan Zheng <dzheng(a)redhat.com> Date: Tue, 26 Feb 2019 17:35:49 +0800 Subject: [PATCH] Remove the unused parameter in document Signed-off-by: Dan Zheng <dzheng(a)redhat.com> --- lib/Sys/Virt/Domain.pm | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/Sys/Virt/Domain.pm b/lib/Sys/Virt/Domain.pm index 7b43e7f..1e3a3a2 100644 --- a/lib/Sys/Virt/Domain.pm +++ b/lib/Sys/Virt/Domain.pm @@ -1448,7 +1448,7 @@ Delete an existing IOThread by the C<$iothread> value from the guest domain. The C<$flags> parameter accepts one or more the CONFIG OPTION constants documented later, and defaults to 0 if omitted. -=item $dom->set_iothread($iothread, $params, $nparams, $flags=0) +=item $dom->set_iothread($iothread, $params, $flags=0) Set parameters for the IOThread by the C<$iothread> value on the guest domain. The C<$params> parameter is a hash reference whose keys are the -- 1.8.3.1 Regards, Dan Zheng (dzheng(a)redhat.com) Libvirt, Virtualization Redhat Beijing R&D

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[libvirt] [PATCH 0/1] update copyright notice
by David Kiarie 25 Feb '19

25 Feb '19

it looks sensible that the copyright notice on the affected files in updated as in this patch so as to also cover another party who hugely participated in writing the code. David Kiarie (1): src/xenconfig: update copyright notice src/xenconfig/xen_xl.c | 1 + src/xenconfig/xen_xl.h | 1 + tests/xlconfigtest.c | 1 + 3 files changed, 3 insertions(+) -- 2.20.1

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[libvirt] [jenkins-ci PATCH v4 0/5] Add support for cross compiling libvirt via Debian
by Daniel P. Berrangé 25 Feb '19

25 Feb '19

Changed in v4: - Pull in change to use argparse sub-parsers - Refactor way architecture specific package rules are stored to be in the main package mappings data Changed in v3: - Remove sheepdog more generally - Use .format() style printf - Split config to cross-build.yml - Make glusterfs name per-distro customized - Misc code style changes - Rename fields in cross-build.yml - Don't use crossbuild-essential packages Changed in v2: - Fix multiple package name mistakes - Modify lcitool to generate cross-arch docker files - Add --no-install-recommended flag to apt-get - Add DEBIAN_FRONTEND=noninteractive env to apt-get - Improve error reporting in lcitool - Add make rule for generating dockerfiles locally Daniel P. Berrangé (5): lcitool: use subparsers for commands lcitool: avoid repetition when expanding package mappings lcitool: avoid intermediate list of packages mappings: extend mapping to allow per-arch entries lcitool: support generating cross compiler dockerfiles guests/host_vars/libvirt-debian-9/main.yml | 44 ++++ guests/host_vars/libvirt-debian-sid/main.yml | 45 ++++ guests/lcitool | 236 +++++++++++++------ guests/playbooks/update/tasks/packages.yml | 32 +++ guests/vars/mappings.yml | 101 +++++++- 5 files changed, 379 insertions(+), 79 deletions(-) -- 2.20.1

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[libvirt] [PATCH 0/1] virfile: added GPFS as shared fs
by dmichelotto 25 Feb '19

25 Feb '19

Added GPFS as shared file system recognized during live migration security checks. This becomes from upstream code on https://libvirt.org/git from master branch BUG: https://bugzilla.redhat.com/show_bug.cgi?id=1679528 dmichelotto (1): virfile: added GPFS as shared fs src/util/virfile.c | 9 ++++++++- src/util/virfile.h | 1 + tests/virfiledata/mounts3.txt | 1 + tests/virfilemock.c | 5 +++++ tests/virfiletest.c | 1 + 5 files changed, 16 insertions(+), 1 deletion(-) -- 2.20.1

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[libvirt] [PATCH 0/1] virfile: added GPFS as shared fs
by dmichelotto 25 Feb '19

25 Feb '19

Added GPFS as shared file system recognized during live migration security checks. This patch is based on libvirt-4.5.0 distributed by CentOS 7.6.1810 via source rpm. The rpms builded fix our bug with GPFS. BUG: https://bugzilla.redhat.com/show_bug.cgi?id=1679528 dmichelotto (1): virfile: added GPFS as shared fs src/util/virfile.c | 9 ++++++++- src/util/virfile.h | 1 + tests/virfiledata/mounts3.txt | 1 + tests/virfilemock.c | 5 +++++ tests/virfiletest.c | 1 + 5 files changed, 16 insertions(+), 1 deletion(-) -- 2.20.1

3 3

[libvirt] [PATCH v4 0/4] qemu: Report better error on dump/migrate failure
by Andrea Bolognani 25 Feb '19

25 Feb '19

Changes from [v3]: * Make sure errors from virFileWrapperFdClose() result in an overall failure being bubbled up; * don't call virReportError() unless the function is going to report the failure through its return code as well; * revert b0c3e931804a more thoroughly. Changes from [v2]: * Move error reporting from virFileWrapperFdFree() to virFileWrapperFdClose(). Changes from [v1]: * Use VIR_FREE() followed by VIR_ALLOC_N() instead of manually setting the last (and only) byte of the array returned by VIR_REALLOC_N() to zero. [v3] https://www.redhat.com/archives/libvir-list/2019-February/msg01069.html [v2] https://www.redhat.com/archives/libvir-list/2019-February/msg00782.html [v1] https://www.redhat.com/archives/libvir-list/2019-February/msg00156.html Andrea Bolognani (4): util: Make it safe to call virFileWrapperFdClose() multiple times qemu: Always call virFileWrapperFdClose() util: Move error reporting back to virFileWrapperFdClose() util: Report error in virFileWrapperFdClose() src/qemu/qemu_driver.c | 16 ++++++++++------ src/util/virfile.c | 22 ++++++++++++++++------ 2 files changed, 26 insertions(+), 12 deletions(-) -- 2.20.1

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[libvirt] [PATCH] util: fix heap-buffer-overflow in virFileWrapperFdFree
by Jay Zhou 25 Feb '19

25 Feb '19

From: Jing Wu <wujing42(a)huawei.com> Some functions like doCoreDump call virFileWrapperFdNew to execute async cmds, if a step after virFileWrapperFdNew failed, the func may skip virFileWrapperFdClose and jump to cleanup label to call virFileWrapperFdFree directly. If the child process of the cmd is running and asyncioThread is polling, cmd->errbuf have been alloced at least one byte but not yet operate (*cmd->errbuf)[errlen] = '\0', access of wfd->err_msg in virFileWrapperFdFree at this time will cause risk of heap-buffer-overflow. So, we need to put VIR_WARN(wfd->err_msg) after VIR_FREE(wfd->err_msg). Besides, since virCommandFree has included virCommandAbort, there is no need to call virCommandAbort extraly. Signed-off-by: Jing Wu <wujing42(a)huawei.com> Signed-off-by: Jay Zhou <jianjay.zhou(a)huawei.com> --- src/util/virfile.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/src/util/virfile.c b/src/util/virfile.c index f6f9e4c..d488158 100644 --- a/src/util/virfile.c +++ b/src/util/virfile.c @@ -347,13 +347,12 @@ virFileWrapperFdFree(virFileWrapperFdPtr wfd) if (!wfd) return; + virCommandFree(wfd->cmd); + if (wfd->err_msg && *wfd->err_msg) VIR_WARN("iohelper reports: %s", wfd->err_msg); - virCommandAbort(wfd->cmd); - VIR_FREE(wfd->err_msg); - virCommandFree(wfd->cmd); VIR_FREE(wfd); } -- 1.8.3.1

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[libvirt] [PATCH 0/2] tools: console: a fix and improvment
by Nikolay Shirokovskiy 25 Feb '19

25 Feb '19

Nikolay Shirokovskiy (2): tools: console: cleanup console on errors in main thread tools: console: pass stream/fd errors to user tools/virsh-console.c | 220 ++++++++++++++++++++++++++++++++++++++------------ 1 file changed, 169 insertions(+), 51 deletions(-) -- 1.8.3.1

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[libvirt] [python PATCH] Fix virDomainPinIOThread typed params check
by Pavel Hrdina 25 Feb '19

25 Feb '19

The VIR_DOMAIN_IOTHREAD_POLL_SHRINK is unsigned int. Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1680546 Signed-off-by: Pavel Hrdina <phrdina(a)redhat.com> --- Pushed under trivial rule. libvirt-override.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libvirt-override.c b/libvirt-override.c index f7b2f6b..857c018 100644 --- a/libvirt-override.c +++ b/libvirt-override.c @@ -1684,7 +1684,7 @@ libvirt_virDomainPinIOThread(PyObject *self ATTRIBUTE_UNUSED, static virPyTypedParamsHint virPyDomainSetIOThreadParams[] = { { VIR_DOMAIN_IOTHREAD_POLL_MAX_NS, VIR_TYPED_PARAM_ULLONG }, { VIR_DOMAIN_IOTHREAD_POLL_GROW, VIR_TYPED_PARAM_UINT }, - { VIR_DOMAIN_IOTHREAD_POLL_SHRINK, VIR_TYPED_PARAM_ULLONG }, + { VIR_DOMAIN_IOTHREAD_POLL_SHRINK, VIR_TYPED_PARAM_UINT }, }; static PyObject * -- 2.20.1

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[libvirt] [libvirt-go PATCH 0/3] Introduce recent DomainSnapshotXML and DomainSaveImageXML flags
by Erik Skultety 25 Feb '19

25 Feb '19

Unfortunately, in order to support the new flags, the last patch introduces an API breakage as the convention we use for the bindings is to also enforce types for flags. Erik Skultety (3): Introduce DomainSnapshotXMLFlags constant Introduce DomainSaveImageXMLFlags constant Enforce new flags types in DomainSaveImageGetXMLDesc and GetXMLDesc connect.go | 2 +- domain.go | 8 +++++++- domain_compat.h | 8 ++++++++ domain_snapshot.go | 8 +++++++- domain_snapshot_wrapper.h | 2 +- 5 files changed, 24 insertions(+), 4 deletions(-) -- 2.20.1

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[libvirt] [PATCH 0/2] further apparmor handling of opengl
by Christian Ehrhardt 25 Feb '19

25 Feb '19

Further testing with opengl enabled graphics showed that we need much more rules than we initially added. Upstream apparmor has abstractions [1][2] for the majority of what we'd need, but those are in no Distribution yet so we can't rely on them. But we can add rules "like those known ones" matching what our testing shows as needed when we add a gl enabled device. There is no overly critical access opened by this, but still we continue to only add those to the guests that have gl enabled. The most "discussion worthy" part of it most likely are the wildcards into /dev/devices/... but they are rather specific and read only - furthermore retracing those in advance starting from the rendernode most likely is rather error prone, so I went with the wildcards. Example apparmor denials can be found in the launchpad bug [3] [1]: https://gitlab.com/apparmor/apparmor/blob/master/profiles/apparmor.d/abstra… [2]: https://gitlab.com/apparmor/apparmor/blob/master/profiles/apparmor.d/abstra… [3]: https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1815452 Christian Ehrhardt (2): security: aa-helper: allow virt-aa-helper to read /dev/dri security: aa-helper: generate more rules for gl devices .../apparmor/usr.lib.libvirt.virt-aa-helper | 3 +++ src/security/virt-aa-helper.c | 20 ++++++++++++++++++- 2 files changed, 22 insertions(+), 1 deletion(-) -- 2.17.1

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[libvirt] [PATCH v2 0/3] bhyve: implement MSRs ignore unknown writes feature
by Roman Bogorodskiy 24 Feb '19

24 Feb '19

Changes from v1: * Replaced <msrs ignoreUnknownWrites='yes'/> with <msrs unknown="ignore|fault"/> Roman Bogorodskiy (3): conf: introduce 'msrs' feature bhyve: implement ignore unknown MSRs feature news: document bhyve msrs feature docs/drvbhyve.html.in | 22 +++++++++++ docs/formatdomain.html.in | 1 + docs/news.xml | 10 +++++ docs/schemas/domaincommon.rng | 14 +++++++ src/bhyve/bhyve_command.c | 4 ++ src/conf/domain_conf.c | 38 +++++++++++++++++++ src/conf/domain_conf.h | 16 ++++++++ src/qemu/qemu_domain.c | 1 + .../bhyvexml2argvdata/bhyvexml2argv-msrs.args | 10 +++++ .../bhyvexml2argv-msrs.ldargs | 3 ++ .../bhyvexml2argvdata/bhyvexml2argv-msrs.xml | 26 +++++++++++++ tests/bhyvexml2argvtest.c | 1 + .../bhyvexml2xmlout-msrs.xml | 36 ++++++++++++++++++ tests/bhyvexml2xmltest.c | 1 + 14 files changed, 183 insertions(+) create mode 100644 tests/bhyvexml2argvdata/bhyvexml2argv-msrs.args create mode 100644 tests/bhyvexml2argvdata/bhyvexml2argv-msrs.ldargs create mode 100644 tests/bhyvexml2argvdata/bhyvexml2argv-msrs.xml create mode 100644 tests/bhyvexml2xmloutdata/bhyvexml2xmlout-msrs.xml -- 2.20.1

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[libvirt] [PATCH 0/2] cputest: Update python scripts for parsing CPU data
by Jiri Denemark 22 Feb '19

22 Feb '19

Jiri Denemark (2): cputest: Adapt scripts to split cpu_map cputest: Use python3 in CPU parser scripts tests/cputestdata/cpu-cpuid.py | 24 +++++++++++------------- tests/cputestdata/cpu-reformat.py | 2 +- 2 files changed, 12 insertions(+), 14 deletions(-) -- 2.20.1

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[libvirt] [PATCH] nwfilter: allow for different format of IPv6 netmask/prefix in ebtables output
by Laine Stump 22 Feb '19

22 Feb '19

The iptables-ebtables package is meant as a drop-in replacement for the native ebtables package, but it formats some items in the -L output differently, leading to failure of scripts that depend on the output of ebtables -L. In particular: with old ebtables IPv6 prefixes are output as a netmask (e.g.: "/ffff:fc00") with iptables-ebtables IPv6 prefixes are always output as a numeric prefix (e.g. "/22"), and suppressed completely if the prefix is /128. This difference is also described in https://bugzilla.redhat.com/show_bug.cgi?id=1674536 "old" ebtables upstream has just accepted a patch to change its output to match that of iptables-ebtables: https://marc.info/?l=netfilter-devel&m=155000828923204&w=2 so it makes sense for libvirt-tck to accept the new format (as well as the old). As with the patch for fixing up MAC addresses with leading 0s, this patch also uses sed to apply a substitution to the scraped output of ebtables -L. However, rather than keeping the comparison (expected) output in the old (netmask) form, it is changed to the new (prefix) form, and the sed commands change netmasks to prefixes. (This works out better because in some cases we need to replace [all ff's] with "", and it's not possible to do that in the opposite direction :-) Signed-off-by: Laine Stump <laine(a)laine.org> --- NB: ebtables upstream hasn't changed the format of MAC addresses (yet). Also, some new errors have cropped up when running these same tests on RHEL8, but I think they are due to some new "real" bug in iptables-ebtables, since the xml2fwallout tests all succeed when run individually. .../nwfilterxml2fwallout/comment-test.fwall | 4 ++-- .../nwfilterxml2fwallout/hex-data-test.fwall | 4 ++-- .../nwfilterxml2fwallout/ipv6-test.fwall | 18 +++++++++--------- 3 files changed, 13 insertions(+), 13 deletions(-) diff --git a/scripts/nwfilter/nwfilterxml2fwallout/comment-test.fwall b/scripts/nwfilter/nwfilterxml2fwallout/comment-test.fwall index d87843b..4f467bf 100644 --- a/scripts/nwfilter/nwfilterxml2fwallout/comment-test.fwall +++ b/scripts/nwfilter/nwfilterxml2fwallout/comment-test.fwall @@ -2,9 +2,9 @@ -i vnet0 -j libvirt-I-vnet0 #ebtables -t nat -L POSTROUTING | grep vnet0 | grep -v "^Bridge" | grep -v "^$" -o vnet0 -j libvirt-O-vnet0 -#ebtables -t nat -L libvirt-I-vnet0 | sed s/01:02:03:04:05:06/1:2:3:4:5:6/g | sed s/0a:0b:0c:0d:0e:0f/a:b:c:d:e:f/g | grep -v "^Bridge" | grep -v "^$" +#ebtables -t nat -L libvirt-I-vnet0 | sed 's#/ffff:ffff:ffff:ffff:ffff:ffff:ffff:8000#/113#g' | sed 's#/ffff:fc00::#/22#g' | sed s/01:02:03:04:05:06/1:2:3:4:5:6/g | sed s/0a:0b:0c:0d:0e:0f/a:b:c:d:e:f/g | grep -v "^Bridge" | grep -v "^$" -p IPv4 -s 1:2:3:4:5:6 -d aa:bb:cc:dd:ee:ff --ip-src 10.1.2.3 --ip-dst 10.1.2.3 --ip-tos 0x32 --ip-proto udp --ip-sport 291:564 --ip-dport 13398:17767 -j ACCEPT --p IPv6 -s 1:2:3:4:5:6/ff:ff:ff:ff:ff:fe -d aa:bb:cc:dd:ee:80/ff:ff:ff:ff:ff:80 --ip6-src ::/ffff:fc00:: --ip6-dst ::10.1.0.0/ffff:ffff:ffff:ffff:ffff:ffff:ffff:8000 --ip6-proto tcp --ip6-sport 273:400 --ip6-dport 13107:65535 -j ACCEPT +-p IPv6 -s 1:2:3:4:5:6/ff:ff:ff:ff:ff:fe -d aa:bb:cc:dd:ee:80/ff:ff:ff:ff:ff:80 --ip6-src ::/22 --ip6-dst ::10.1.0.0/113 --ip6-proto tcp --ip6-sport 273:400 --ip6-dport 13107:65535 -j ACCEPT -p ARP -s 1:2:3:4:5:6 -d aa:bb:cc:dd:ee:ff --arp-op Request --arp-htype 18 --arp-ptype 0x56 --arp-mac-src 1:2:3:4:5:6 --arp-mac-dst a:b:c:d:e:f -j ACCEPT #ebtables -t nat -L libvirt-O-vnet0 | grep -v "^Bridge" | grep -v "^$" -p 0x1234 -j ACCEPT diff --git a/scripts/nwfilter/nwfilterxml2fwallout/hex-data-test.fwall b/scripts/nwfilter/nwfilterxml2fwallout/hex-data-test.fwall index 56d3956..0cd9a8d 100644 --- a/scripts/nwfilter/nwfilterxml2fwallout/hex-data-test.fwall +++ b/scripts/nwfilter/nwfilterxml2fwallout/hex-data-test.fwall @@ -2,9 +2,9 @@ -i vnet0 -j libvirt-I-vnet0 #ebtables -t nat -L POSTROUTING | grep vnet0 | grep -v "^Bridge" | grep -v "^$" -o vnet0 -j libvirt-O-vnet0 -#ebtables -t nat -L libvirt-I-vnet0 | sed s/01:02:03:04:05:06/1:2:3:4:5:6/g | sed s/0a:0b:0c:0d:0e:0f/a:b:c:d:e:f/g | grep -v "^Bridge" | grep -v "^$" +#ebtables -t nat -L libvirt-I-vnet0 | sed 's#/ffff:ffff:ffff:ffff:ffff:ffff:ffff:8000#/113#g' | sed 's#/ffff:fc00::#/22#g' | sed s/01:02:03:04:05:06/1:2:3:4:5:6/g | sed s/0a:0b:0c:0d:0e:0f/a:b:c:d:e:f/g | grep -v "^Bridge" | grep -v "^$" -p IPv4 -s 1:2:3:4:5:6 -d aa:bb:cc:dd:ee:ff --ip-src 10.1.2.3 --ip-dst 10.1.2.3 --ip-tos 0x32 --ip-proto udp --ip-sport 291:564 --ip-dport 13398:17767 -j ACCEPT --p IPv6 -s 1:2:3:4:5:6/ff:ff:ff:ff:ff:fe -d aa:bb:cc:dd:ee:80/ff:ff:ff:ff:ff:80 --ip6-src ::/ffff:fc00:: --ip6-dst ::10.1.0.0/ffff:ffff:ffff:ffff:ffff:ffff:ffff:8000 --ip6-proto tcp --ip6-sport 273:400 --ip6-dport 13107:65535 -j ACCEPT +-p IPv6 -s 1:2:3:4:5:6/ff:ff:ff:ff:ff:fe -d aa:bb:cc:dd:ee:80/ff:ff:ff:ff:ff:80 --ip6-src ::/22 --ip6-dst ::10.1.0.0/113 --ip6-proto tcp --ip6-sport 273:400 --ip6-dport 13107:65535 -j ACCEPT -p ARP -s 1:2:3:4:5:6 -d aa:bb:cc:dd:ee:ff --arp-op Request --arp-htype 18 --arp-ptype 0x56 --arp-mac-src 1:2:3:4:5:6 --arp-mac-dst a:b:c:d:e:f -j ACCEPT #ebtables -t nat -L libvirt-O-vnet0 | grep -v "^Bridge" | grep -v "^$" -p 0x1234 -j ACCEPT diff --git a/scripts/nwfilter/nwfilterxml2fwallout/ipv6-test.fwall b/scripts/nwfilter/nwfilterxml2fwallout/ipv6-test.fwall index 7d42f9a..d4dc627 100644 --- a/scripts/nwfilter/nwfilterxml2fwallout/ipv6-test.fwall +++ b/scripts/nwfilter/nwfilterxml2fwallout/ipv6-test.fwall @@ -2,12 +2,12 @@ -i vnet0 -j libvirt-I-vnet0 #ebtables -t nat -L POSTROUTING | grep vnet0 -o vnet0 -j libvirt-O-vnet0 -#ebtables -t nat -L libvirt-I-vnet0 | sed s/01:02:03:04:05:06/1:2:3:4:5:6/g | grep -v "^Bridge" | grep -v "^$" --p IPv6 -s 1:2:3:4:5:6/ff:ff:ff:ff:ff:fe -d aa:bb:cc:dd:ee:80/ff:ff:ff:ff:ff:80 --ip6-src ::/ffff:fc00:: --ip6-dst ::10.1.0.0/ffff:ffff:ffff:ffff:ffff:ffff:ffff:8000 --ip6-proto udp --ip6-sport 20:22 --ip6-dport 100:101 -j ACCEPT --p IPv6 --ip6-src a:b:c::/ffff:ffff:ffff:ffff:8000:: --ip6-dst 1::2/ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff --ip6-proto tcp --ip6-sport 100:101 --ip6-dport 20:22 -j ACCEPT --p IPv6 --ip6-src a:b:c::/ffff:ffff:ffff:ffff:8000:: --ip6-dst 1::2/ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff --ip6-proto tcp --ip6-sport 65535 --ip6-dport 255:256 -j ACCEPT --p IPv6 --ip6-src a:b:c::/ffff:ffff:ffff:ffff:8000:: --ip6-dst 1::2/ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff --ip6-proto mux -j ACCEPT -#ebtables -t nat -L libvirt-O-vnet0 | grep -v "^Bridge" | grep -v "^$" --p IPv6 --ip6-src 1::2/ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff --ip6-dst a:b:c::/ffff:ffff:ffff:ffff:8000:: --ip6-proto tcp --ip6-sport 20:22 --ip6-dport 100:101 -j ACCEPT --p IPv6 --ip6-src 1::2/ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff --ip6-dst a:b:c::/ffff:ffff:ffff:ffff:8000:: --ip6-proto tcp --ip6-sport 255:256 --ip6-dport 65535 -j ACCEPT --p IPv6 --ip6-src 1::2/ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff --ip6-dst a:b:c::/ffff:ffff:ffff:ffff:8000:: --ip6-proto mux -j ACCEPT +#ebtables -t nat -L libvirt-I-vnet0 | sed 's#/ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff##g' | sed 's#/ffff:ffff:ffff:ffff:ffff:ffff:ffff:8000#/113#g' | sed 's#/ffff:ffff:ffff:ffff:8000::#/65#g' | sed 's#/ffff:fc00::#/22#g' | sed s/01:02:03:04:05:06/1:2:3:4:5:6/g | grep -v "^Bridge" | grep -v "^$" +-p IPv6 -s 1:2:3:4:5:6/ff:ff:ff:ff:ff:fe -d aa:bb:cc:dd:ee:80/ff:ff:ff:ff:ff:80 --ip6-src ::/22 --ip6-dst ::10.1.0.0/113 --ip6-proto udp --ip6-sport 20:22 --ip6-dport 100:101 -j ACCEPT +-p IPv6 --ip6-src a:b:c::/65 --ip6-dst 1::2 --ip6-proto tcp --ip6-sport 100:101 --ip6-dport 20:22 -j ACCEPT +-p IPv6 --ip6-src a:b:c::/65 --ip6-dst 1::2 --ip6-proto tcp --ip6-sport 65535 --ip6-dport 255:256 -j ACCEPT +-p IPv6 --ip6-src a:b:c::/65 --ip6-dst 1::2 --ip6-proto mux -j ACCEPT +#ebtables -t nat -L libvirt-O-vnet0 | sed 's#/ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff##g' | sed 's#/ffff:ffff:ffff:ffff:8000::#/65#g' | grep -v "^Bridge" | grep -v "^$" +-p IPv6 --ip6-src 1::2 --ip6-dst a:b:c::/65 --ip6-proto tcp --ip6-sport 20:22 --ip6-dport 100:101 -j ACCEPT +-p IPv6 --ip6-src 1::2 --ip6-dst a:b:c::/65 --ip6-proto tcp --ip6-sport 255:256 --ip6-dport 65535 -j ACCEPT +-p IPv6 --ip6-src 1::2 --ip6-dst a:b:c::/65 --ip6-proto mux -j ACCEPT -- 2.20.1

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[libvirt] [PATCH v5 03/14] audio: -audiodev command line option: documentation
by Kővágó, Zoltán 22 Feb '19

22 Feb '19

This patch adds documentation of an -audiodev command line option, that deprecates the old QEMU_* environment variables for audio backend configuration. It's syntax is similar to existing options (-netdev, -device, etc): -audiodev driver_name,property=value,... Although now it's possible to specify multiple -audiodev options on command line, multiple audio backends are not supported yet. Signed-off-by: Kővágó, Zoltán <DirtY.iCE.hu(a)gmail.com> --- Notes: Changes from v4: * deprecated QEMU_AUDIO_ env vars * updated to reflect qapi changes * added info to qemu-deprecated.texi qemu-deprecated.texi | 7 ++ qemu-options.hx | 236 ++++++++++++++++++++++++++++++++++++++++++- 2 files changed, 240 insertions(+), 3 deletions(-) diff --git a/qemu-deprecated.texi b/qemu-deprecated.texi index 45c57952da..5c07ad4acb 100644 --- a/qemu-deprecated.texi +++ b/qemu-deprecated.texi @@ -60,6 +60,13 @@ Support for invalid topologies will be removed, the user must ensure topologies described with -smp include all possible cpus, i.e. @math{@var{sockets} * @var{cores} * @var{threads} = @var{maxcpus}}. +@subsection QEMU_AUDIO_ environment variables and -audio-help (since 4.0) + +The ``-audiodev'' argument is now the preferred way to specify audio +backend settings instead of environment variables. To ease migration to +the new format, the ``-audiodev-help'' option can be used to convert +the current values of the environment variables to ``-audiodev'' options. + @section QEMU Machine Protocol (QMP) commands @subsection block-dirty-bitmap-add "autoload" parameter (since 2.12.0) diff --git a/qemu-options.hx b/qemu-options.hx index 77bd98e20b..f77f4d89a7 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -416,14 +416,244 @@ The default is @code{en-us}. ETEXI +HXCOMM Deprecated by -audiodev DEF("audio-help", 0, QEMU_OPTION_audio_help, - "-audio-help print list of audio drivers and their options\n", + "-audio-help show -audiodev equivalent of the currently specified audio settings\n", QEMU_ARCH_ALL) STEXI @item -audio-help @findex -audio-help -Will show the audio subsystem help: list of drivers, tunable -parameters. +Will show the -audiodev equivalent of the currently specified +(deprecated) environment variables. +ETEXI + +DEF("audiodev", HAS_ARG, QEMU_OPTION_audiodev, + "-audiodev [driver=]driver,id=id[,prop[=value][,...]]\n" + " specifies the audio backend to use\n" + " id= identifier of the backend\n" + " timer-period= timer period in microseconds\n" + " in|out.fixed-settings= use fixed settings for host audio\n" + " in|out.frequency= frequency to use with fixed settings\n" + " in|out.channels= number of channels to use with fixed settings\n" + " in|out.format= sample format to use with fixed settings\n" + " valid values: s8, s16, s32, u8, u16, u32\n" + " in|out.voices= number of voices to use\n" + " in|out.buffer-len= length of buffer in microseconds\n" + "-audiodev none,id=id,[,prop[=value][,...]]\n" + " dummy driver that discards all output\n" +#ifdef CONFIG_ALSA + "-audiodev alsa,id=id[,prop[=value][,...]]\n" + " in|out.dev= name of the audio device to use\n" + " in|out.period-len= length of period in microseconds\n" + " in|out.try-poll= attempt to use poll mode\n" + " threshold= threshold (in microseconds) when playback starts\n" +#endif +#ifdef CONFIG_COREAUDIO + "-audiodev coreaudio,id=id[,prop[=value][,...]]\n" + " in|out.buffer-count= number of buffers\n" +#endif +#ifdef CONFIG_DSOUND + "-audiodev dsound,id=id[,prop[=value][,...]]\n" + " latency= add extra latency to playback in microseconds\n" +#endif +#ifdef CONFIG_OSS + "-audiodev oss,id=id[,prop[=value][,...]]\n" + " in|out.dev= path of the audio device to use\n" + " in|out.buffer-count= number of buffers\n" + " in|out.try-poll= attempt to use poll mode\n" + " try-mmap= try using memory mapped access\n" + " exclusive= open device in exclusive mode\n" + " dsp-policy= set timing policy (0..10), -1 to use fragment mode\n" +#endif +#ifdef CONFIG_PA + "-audiodev pa,id=id[,prop[=value][,...]]\n" + " server= PulseAudio server address\n" + " in|out.name= source/sink device name\n" +#endif +#ifdef CONFIG_SDL + "-audiodev sdl,id=id[,prop[=value][,...]]\n" +#endif +#ifdef CONFIG_SPICE + "-audiodev spice,id=id[,prop[=value][,...]]\n" +#endif + "-audiodev wav,id=id[,prop[=value][,...]]\n" + " path= path of wav file to record\n", + QEMU_ARCH_ALL) +STEXI +@item -audiodev [driver=]@var{driver},id=@var{id}[,@var{prop}[=@var{value}][,...]] +@findex -audiodev +Adds a new audio backend @var{driver} identified by @var{id}. There are +global and driver specific properties. Some values can be set +differently for input and output, they're marked with @code{in|out.}. +You can set the input's property with @code{in.@var{prop}} and the +output's property with @code{out.@var{prop}}. For example: +@example +-audiodev alsa,id=example,in.frequency=44110,out.frequency=8000 +-audiodev alsa,id=example,out.channels=1 # leaves in.channels unspecified +@end example + +Valid global options are: + +@table @option +@item id=@var{identifier} +Identifies the audio backend. + +@item timer-period=@var{period} +Sets the timer @var{period} used by the audio subsystem in microseconds. +Default is 10000 (10 ms). + +@item in|out.fixed-settings=on|off +Use fixed settings for host audio. When off, it will change based on +how the guest opens the sound card. In this case you must not specify +@var{frequency}, @var{channels} or @var{format}. Default is on. + +@item in|out.frequency=@var{frequency} +Specify the @var{frequency} to use when using @var{fixed-settings}. +Default is 44100Hz. + +@item in|out.channels=@var{channels} +Specify the number of @var{channels} to use when using +@var{fixed-settings}. Default is 2 (stereo). + +@item in|out.format=@var{format} +Specify the sample @var{format} to use when using @var{fixed-settings}. +Valid values are: @code{s8}, @code{s16}, @code{s32}, @code{u8}, +@code{u16}, @code{u32}. Default is @code{s16}. + +@item in|out.voices=@var{voices} +Specify the number of @var{voices} to use. Default is 1. + +@item in|out.buffer=@var{usecs} +Sets the size of the buffer in microseconds. + +@end table + +@item -audiodev none,id=@var{id}[,@var{prop}[=@var{value}][,...]] +Creates a dummy backend that discards all outputs. This backend has no +backend specific properties. + +@item -audiodev alsa,id=@var{id}[,@var{prop}[=@var{value}][,...]] +Creates backend using the ALSA. This backend is only available on +Linux. + +ALSA specific options are: + +@table @option + +@item in|out.dev=@var{device} +Specify the ALSA @var{device} to use for input and/or output. Default +is @code{default}. + +@item in|out.period-len=@var{usecs} +Sets the period length in microseconds. + +@item in|out.try-poll=on|off +Attempt to use poll mode with the device. Default is on. + +@item threshold=@var{threshold} +Threshold (in microseconds) when playback starts. Default is 0. + +@end table + +@item -audiodev coreaudio,id=@var{id}[,@var{prop}[=@var{value}][,...]] +Creates a backend using Apple's Core Audio. This backend is only +available on Mac OS and only supports playback. + +Core Audio specific options are: + +@table @option + +@item in|out.buffer-count=@var{count} +Sets the @var{count} of the buffers. + +@end table + +@item -audiodev dsound,id=@var{id}[,@var{prop}[=@var{value}][,...]] +Creates a backend using Microsoft's DirectSound. This backend is only +available on Windows and only supports playback. + +DirectSound specific options are: + +@table @option + +@item latency=@var{usecs} +Add extra @var{usecs} microseconds latency to playback. Default is +10000 (10 ms). + +@end table + +@item -audiodev oss,id=@var{id}[,@var{prop}[=@var{value}][,...]] +Creates a backend using OSS. This backend is available on most +Unix-like systems. + +OSS specific options are: + +@table @option + +@item in|out.dev=@var{device} +Specify the file name of the OSS @var{device} to use. Default is +@code{/dev/dsp}. + +@item in|out.buffer-count=@var{count} +Sets the @var{count} of the buffers. + +@item in|out.try-poll=on|of +Attempt to use poll mode with the device. Default is on. + +@item try-mmap=on|off +Try using memory mapped device access. Default is off. + +@item exclusive=on|off +Open the device in exclusive mode (vmix won't work in this case). +Default is off. + +@item dsp-policy=@var{policy} +Sets the timing policy (between 0 and 10, where smaller number means +smaller latency but higher CPU usage). Use -1 to use buffer sizes +specified by @code{buffer} and @code{buffer-count}. This option is +ignored if you do not have OSS 4. Default is 5. + +@end table + +@item -audiodev pa,id=@var{id}[,@var{prop}[=@var{value}][,...]] +Creates a backend using PulseAudio. This backend is available on most +systems. + +PulseAudio specific options are: + +@table @option + +@item server=@var{server} +Sets the PulseAudio @var{server} to connect to. + +@item in|out.name=@var{sink} +Use the specified source/sink for recording/playback. + +@end table + +@item -audiodev sdl,id=@var{id}[,@var{prop}[=@var{value}][,...]] +Creates a backend using SDL. This backend is available on most systems, +but you should use your platform's native backend if possible. This +backend has no backend specific properties. + +@item -audiodev spice,id=@var{id}[,@var{prop}[=@var{value}][,...]] +Creates a backend that sends audio through SPICE. This backend requires +@code{-spice} and automatically selected in that case, so usually you +can ignore this option. This backend has no backend specific +properties. + +@item -audiodev wav,id=@var{id}[,@var{prop}[=@var{value}][,...]] +Creates a backend that writes audio to a WAV file. + +Backend specific options are: + +@table @option + +@item path=@var{path} +Write recorded audio into the specified file. Default is +(a)code{qemu.wav}. + +@end table ETEXI DEF("soundhw", HAS_ARG, QEMU_OPTION_soundhw, -- 2.20.1

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[libvirt] QEMU Acceleration with Hypervisor.framework
by Clement BLAISE 22 Feb '19

22 Feb '19

Hello, I’m interested in using hvf also know as Hypervisor. framework acceleration with QEMU which has been supported since 2.12. I’ve gone through the documentation and the code base, I was unable to find an element that could enable it in libvirt. I have come across a patch (link <https://www.spinics.net/linux/fedora/libvir/msg175338.html>) which target this particular feature, but I could not find it in the repo so I guess it has not been applied. Is something that will be supported in the future?

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