For properties we use these are the QEMU types: host=<str> - Address (bus/device/function) of the host device, example: 04:10.0 bootindex=<int32> failover_pair_id=<str> Signed-off-by: Peter Krempa <pkrempa@xxxxxxxxxx> --- src/qemu/qemu_command.c | 69 ++++++++++++++++++++++------------------- src/qemu/qemu_command.h | 6 ++-- src/qemu/qemu_hotplug.c | 6 ++-- 3 files changed, 43 insertions(+), 38 deletions(-) diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c index e8043f0055..5a1ad69148 100644 --- a/src/qemu/qemu_command.c +++ b/src/qemu/qemu_command.c @@ -4721,20 +4721,23 @@ qemuBuildVideoCommandLine(virCommand *cmd, } -char * -qemuBuildPCIHostdevDevStr(const virDomainDef *def, - virDomainHostdevDef *dev, - virQEMUCaps *qemuCaps G_GNUC_UNUSED) +virJSONValue * +qemuBuildPCIHostdevDevProps(const virDomainDef *def, + virDomainHostdevDef *dev) { - g_auto(virBuffer) buf = VIR_BUFFER_INITIALIZER; + g_autoptr(virJSONValue) props = NULL; virDomainHostdevSubsysPCI *pcisrc = &dev->source.subsys.u.pci; - int backend = pcisrc->backend; virDomainNetTeamingInfo *teaming; + g_autofree char *host = g_strdup_printf(VIR_PCI_DEVICE_ADDRESS_FMT, + pcisrc->addr.domain, + pcisrc->addr.bus, + pcisrc->addr.slot, + pcisrc->addr.function); + const char *failover_pair_id = NULL; /* caller has to assign proper passthrough backend type */ - switch ((virDomainHostdevSubsysPCIBackendType)backend) { + switch ((virDomainHostdevSubsysPCIBackendType) pcisrc->backend) { case VIR_DOMAIN_HOSTDEV_PCI_BACKEND_VFIO: - virBufferAddLit(&buf, "vfio-pci"); break; case VIR_DOMAIN_HOSTDEV_PCI_BACKEND_KVM: @@ -4743,25 +4746,10 @@ qemuBuildPCIHostdevDevStr(const virDomainDef *def, case VIR_DOMAIN_HOSTDEV_PCI_BACKEND_TYPE_LAST: virReportError(VIR_ERR_INTERNAL_ERROR, _("invalid PCI passthrough type '%s'"), - virDomainHostdevSubsysPCIBackendTypeToString(backend)); + virDomainHostdevSubsysPCIBackendTypeToString(pcisrc->backend)); return NULL; } - virBufferAddLit(&buf, ",host="); - virBufferAsprintf(&buf, - VIR_PCI_DEVICE_ADDRESS_FMT, - pcisrc->addr.domain, - pcisrc->addr.bus, - pcisrc->addr.slot, - pcisrc->addr.function); - virBufferAsprintf(&buf, ",id=%s", dev->info->alias); - if (dev->info->effectiveBootIndex > 0) - virBufferAsprintf(&buf, ",bootindex=%u", dev->info->effectiveBootIndex); - if (qemuBuildDeviceAddressStr(&buf, def, dev->info) < 0) - return NULL; - if (qemuBuildRomStr(&buf, dev->info) < 0) - return NULL; - if (dev->parentnet) teaming = dev->parentnet->teaming; else @@ -4769,11 +4757,29 @@ qemuBuildPCIHostdevDevStr(const virDomainDef *def, if (teaming && teaming->type == VIR_DOMAIN_NET_TEAMING_TYPE_TRANSIENT && - teaming->persistent) { - virBufferAsprintf(&buf, ",failover_pair_id=%s", teaming->persistent); - } + teaming->persistent) + failover_pair_id = teaming->persistent; - return virBufferContentAndReset(&buf); + if (virJSONValueObjectCreate(&props, + "s:driver", "vfio-pci", + "s:host", host, + "s:id", dev->info->alias, + "p:bootindex", dev->info->effectiveBootIndex, + NULL) < 0) + return NULL; + + if (qemuBuildDeviceAddressProps(props, def, dev->info) < 0) + return NULL; + + if (qemuBuildRomProps(props, dev->info) < 0) + return NULL; + + if (virJSONValueObjectAdd(props, + "S:failover_pair_id", failover_pair_id, + NULL) < 0) + return NULL; + + return g_steal_pointer(&props); } @@ -5525,12 +5531,11 @@ qemuBuildHostdevCommandLine(virCommand *cmd, if (qemuCommandAddExtDevice(cmd, hostdev->info, qemuCaps) < 0) return -1; - virCommandAddArg(cmd, "-device"); - devstr = qemuBuildPCIHostdevDevStr(def, hostdev, qemuCaps); - if (!devstr) + if (!(devprops = qemuBuildPCIHostdevDevProps(def, hostdev))) return -1; - virCommandAddArg(cmd, devstr); + if (qemuBuildDeviceCommandlineFromJSON(cmd, devprops, qemuCaps) < 0) + return -1; break; /* SCSI */ diff --git a/src/qemu/qemu_command.h b/src/qemu/qemu_command.h index 81cdbed384..8ad87f4277 100644 --- a/src/qemu/qemu_command.h +++ b/src/qemu/qemu_command.h @@ -165,9 +165,9 @@ qemuBuildMemoryDeviceProps(const virDomainDef *def, virDomainMemoryDef *mem); /* Current, best practice */ -char *qemuBuildPCIHostdevDevStr(const virDomainDef *def, - virDomainHostdevDef *dev, - virQEMUCaps *qemuCaps); +virJSONValue * +qemuBuildPCIHostdevDevProps(const virDomainDef *def, + virDomainHostdevDef *dev); virJSONValue * qemuBuildRNGDevProps(const virDomainDef *def, diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c index ea7028eae5..67aed2c128 100644 --- a/src/qemu/qemu_hotplug.c +++ b/src/qemu/qemu_hotplug.c @@ -1629,7 +1629,7 @@ qemuDomainAttachHostPCIDevice(virQEMUDriver *driver, { .hostdev = hostdev } }; virDomainDeviceInfo *info = hostdev->info; int ret; - g_autofree char *devstr = NULL; + g_autoptr(virJSONValue) devprops = NULL; bool releaseaddr = false; bool teardowncgroup = false; bool teardownlabel = false; @@ -1706,7 +1706,7 @@ qemuDomainAttachHostPCIDevice(virQEMUDriver *driver, goto error; } - if (!(devstr = qemuBuildPCIHostdevDevStr(vm->def, hostdev, priv->qemuCaps))) + if (!(devprops = qemuBuildPCIHostdevDevProps(vm->def, hostdev))) goto error; qemuDomainObjEnterMonitor(driver, vm); @@ -1714,7 +1714,7 @@ qemuDomainAttachHostPCIDevice(virQEMUDriver *driver, if ((ret = qemuDomainAttachExtensionDevice(priv->mon, hostdev->info)) < 0) goto exit_monitor; - if ((ret = qemuMonitorAddDevice(priv->mon, devstr)) < 0) + if ((ret = qemuMonitorAddDeviceProps(priv->mon, &devprops)) < 0) ignore_value(qemuDomainDetachExtensionDevice(priv->mon, hostdev->info)); exit_monitor: -- 2.31.1