On 12/8/19 4:43 PM, Cole Robinson wrote:
On 11/29/19 4:40 AM, Jidong Xia wrote:With this patch users can cold unplug some sound devices. use "virsh detach-device vm sound.xml --config" command. Signed-off-by: Jidong Xia <xiajid...@cmss.chinamobile.com> --- src/conf/domain_conf.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ src/conf/domain_conf.h | 3 +++ src/libvirt_private.syms | 2 ++ src/qemu/qemu_driver.c | 9 ++++++++- 4 files changed, 61 insertions(+), 1 deletion(-) diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c index 9580884..4b28502 100644 --- a/src/conf/domain_conf.c +++ b/src/conf/domain_conf.c @@ -2753,6 +2753,14 @@ void virDomainSoundDefFree(virDomainSoundDefPtr def) VIR_FREE(def); } +virDomainSoundDefPtr +virDomainSoundDefRemove(virDomainDefPtr def, size_t idx) +{ + virDomainSoundDefPtr ret = def->sounds[idx]; + VIR_DELETE_ELEMENT(def->sounds, idx, def->nsounds); + return ret; +} + void virDomainMemballoonDefFree(virDomainMemballoonDefPtr def) { if (!def) @@ -14554,6 +14562,46 @@ virDomainSoundDefParseXML(virDomainXMLOptionPtr xmlopt, } +static bool +virDomainSoundDefEquals(const virDomainSoundDef *a, + const virDomainSoundDef *b) +{ + size_t i; + + if (a->model != b->model) + return false; + + if (a->ncodecs != b->ncodecs) + return false; + + for (i = 0; i < a->ncodecs; i++) { + if (a->codecs[i]->type != b->codecs[i]->type) + return false; + } + + if (a->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE && + !virDomainDeviceInfoAddressIsEqual(&a->info, &b->info)) + return false; + + return true; +} + + +ssize_t +virDomainSoundDefFind(const virDomainDef *def, + const virDomainSoundDef *sound) +{ + size_t i; + + for (i = 0; i < def->nsounds; i++) { + if (virDomainSoundDefEquals(sound, def->sounds[i])) + return i; + } + + return -1; +} + + static virDomainWatchdogDefPtr virDomainWatchdogDefParseXML(virDomainXMLOptionPtr xmlopt, xmlNodePtr node, diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h index 49cb697..cdb7b92 100644 --- a/src/conf/domain_conf.h +++ b/src/conf/domain_conf.h @@ -2883,7 +2883,10 @@ void virDomainChrDefFree(virDomainChrDefPtr def); int virDomainChrSourceDefCopy(virDomainChrSourceDefPtr dest, virDomainChrSourceDefPtr src); void virDomainSoundCodecDefFree(virDomainSoundCodecDefPtr def); +ssize_t virDomainSoundDefFind(const virDomainDef *def, + const virDomainSoundDef *sound); void virDomainSoundDefFree(virDomainSoundDefPtr def); +virDomainSoundDefPtr virDomainSoundDefRemove(virDomainDefPtr def, size_t idx); void virDomainMemballoonDefFree(virDomainMemballoonDefPtr def); void virDomainNVRAMDefFree(virDomainNVRAMDefPtr def); void virDomainWatchdogDefFree(virDomainWatchdogDefPtr def); diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms index 8fe0bf9..cdbd64f 100644 --- a/src/libvirt_private.syms +++ b/src/libvirt_private.syms @@ -578,7 +578,9 @@ virDomainSmartcardTypeFromString; virDomainSmartcardTypeToString; virDomainSmbiosModeTypeFromString; virDomainSmbiosModeTypeToString; +virDomainSoundDefFind; virDomainSoundDefFree; +virDomainSoundDefRemove; virDomainSoundModelTypeFromString; virDomainSoundModelTypeToString; virDomainStartupPolicyTypeFromString; diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c index 18bd010..8d91bb2 100644 --- a/src/qemu/qemu_driver.c +++ b/src/qemu/qemu_driver.c @@ -8302,6 +8302,7 @@ qemuDomainDetachDeviceConfig(virDomainDefPtr vmdef, { virDomainDiskDefPtr disk, det_disk; virDomainNetDefPtr net; + virDomainSoundDefPtr sound; virDomainHostdevDefPtr hostdev, det_hostdev; virDomainLeaseDefPtr lease, det_lease; virDomainControllerDefPtr cont, det_cont; @@ -8330,6 +8331,13 @@ qemuDomainDetachDeviceConfig(virDomainDefPtr vmdef, virDomainNetDefFree(virDomainNetRemove(vmdef, idx)); break; + case VIR_DOMAIN_DEVICE_SOUND: + sound = dev->data.sound; + if ((idx = virDomainSoundDefFind(vmdef, sound)) < 0) + return -1; + virDomainSoundDefFree(virDomainSoundDefRemove(vmdef, idx)); + break; +This is missing a virReportError call, as virDomainSoundDefFind doesn't raise one. I squashed this in and pushed: diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c index f72ca3b949..abd400cfee 100644 --- a/src/qemu/qemu_driver.c +++ b/src/qemu/qemu_driver.c @@ -8339,8 +8339,11 @@ qemuDomainDetachDeviceConfig(virDomainDefPtr vmdef, case VIR_DOMAIN_DEVICE_SOUND: sound = dev->data.sound; - if ((idx = virDomainSoundDefFind(vmdef, sound)) < 0) + if ((idx = virDomainSoundDefFind(vmdef, sound)) < 0) { + virReportError(VIR_ERR_DEVICE_MISSING, "%s", + _("device not present in domain configuration")); return -1; + } virDomainSoundDefFree(virDomainSoundDefRemove(vmdef, idx)); break;
ok,I understand and support it.
Thanks, Cole
Thanks, Jidong Xia -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list
