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qemuCommandAddExtDevice: Generate via JSON

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Generate the 'zpci' device via JSON.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2021-10-01 14:07:37 +02:00
parent 478725b7c3
commit c3b1bd723e
3 changed files with 50 additions and 62 deletions
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82
src/qemu/qemu_command.c
View File

@ -2239,48 +2239,44 @@ qemuBuildDiskDeviceStr(const virDomainDef *def,
return virBufferContentAndReset(&opt);
}
char *
qemuBuildZPCIDevStr(virDomainDeviceInfo *dev)
virJSONValue *
qemuBuildZPCIDevProps(virDomainDeviceInfo *dev)
{
g_auto(virBuffer) buf = VIR_BUFFER_INITIALIZER;
virJSONValue *props = NULL;
g_autofree char *alias = g_strdup_printf("zpci%u", dev->addr.pci.zpci.uid.value);
virBufferAsprintf(&buf,
"zpci,uid=%u,fid=%u,target=%s,id=zpci%u",
dev->addr.pci.zpci.uid.value,
dev->addr.pci.zpci.fid.value,
dev->alias,
dev->addr.pci.zpci.uid.value);
virJSONValueObjectCreate(&props,
"s:driver", "zpci",
"u:uid", dev->addr.pci.zpci.uid.value,
"u:fid", dev->addr.pci.zpci.fid.value,
"s:target", dev->alias,
"s:id", alias,
NULL);
return virBufferContentAndReset(&buf);
return props;
}
static int
qemuCommandAddZPCIDevice(virCommand *cmd,
virDomainDeviceInfo *dev)
{
g_autofree char *devstr = NULL;
virCommandAddArg(cmd, "-device");
if (!(devstr = qemuBuildZPCIDevStr(dev)))
return -1;
virCommandAddArg(cmd, devstr);
return 0;
}
static int
qemuCommandAddExtDevice(virCommand *cmd,
virDomainDeviceInfo *dev)
virDomainDeviceInfo *dev,
virQEMUCaps *qemuCaps)
{
if (dev->type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI ||
dev->addr.pci.extFlags == VIR_PCI_ADDRESS_EXTENSION_NONE) {
return 0;
}
if (dev->addr.pci.extFlags & VIR_PCI_ADDRESS_EXTENSION_ZPCI)
return qemuCommandAddZPCIDevice(cmd, dev);
if (dev->addr.pci.extFlags & VIR_PCI_ADDRESS_EXTENSION_ZPCI) {
g_autoptr(virJSONValue) devprops = NULL;
if (!(devprops = qemuBuildZPCIDevProps(dev)))
return -1;
if (qemuBuildDeviceCommandlineFromJSON(cmd, devprops, qemuCaps) < 0)
return -1;
}
return 0;
}
@ -2487,7 +2483,7 @@ qemuBuildDiskCommandLine(virCommand *cmd,
!virQEMUCapsGet(qemuCaps, QEMU_CAPS_BLOCKDEV))
return 0;
if (qemuCommandAddExtDevice(cmd, &disk->info) < 0)
if (qemuCommandAddExtDevice(cmd, &disk->info, qemuCaps) < 0)
return -1;
virCommandAddArg(cmd, "-device");
@ -2595,7 +2591,7 @@ qemuBuildVHostUserFsCommandLine(virCommand *cmd,
virCommandAddArg(cmd, "-chardev");
virCommandAddArg(cmd, chrdevstr);
if (qemuCommandAddExtDevice(cmd, &fs->info) < 0)
if (qemuCommandAddExtDevice(cmd, &fs->info, priv->qemuCaps) < 0)
return -1;
if (!(devstr = qemuBuildVHostUserFsDevStr(fs, def, chardev_alias, priv)))
@ -2693,7 +2689,7 @@ qemuBuildFSDevCommandLine(virCommand *cmd,
return -1;
virCommandAddArg(cmd, fsdevstr);
if (qemuCommandAddExtDevice(cmd, &fs->info) < 0)
if (qemuCommandAddExtDevice(cmd, &fs->info, qemuCaps) < 0)
return -1;
virCommandAddArg(cmd, "-device");
@ -3235,7 +3231,7 @@ qemuBuildControllersByTypeCommandLine(virCommand *cmd,
return -1;
if (devstr) {
if (qemuCommandAddExtDevice(cmd, &cont->info) < 0)
if (qemuCommandAddExtDevice(cmd, &cont->info, qemuCaps) < 0)
return -1;
virCommandAddArg(cmd, "-device");
@ -4187,7 +4183,7 @@ qemuBuildWatchdogCommandLine(virCommand *cmd,
if (!def->watchdog)
return 0;
if (qemuCommandAddExtDevice(cmd, &def->watchdog->info) < 0)
if (qemuCommandAddExtDevice(cmd, &def->watchdog->info, qemuCaps) < 0)
return -1;
if (!(props = qemuBuildWatchdogDevProps(def, watchdog)))
@ -4239,7 +4235,7 @@ qemuBuildMemballoonCommandLine(virCommand *cmd,
if (qemuBuildDeviceAddressProps(props, def, &def->memballoon->info) < 0)
return -1;
if (qemuCommandAddExtDevice(cmd, &def->memballoon->info) < 0)
if (qemuCommandAddExtDevice(cmd, &def->memballoon->info, qemuCaps) < 0)
return -1;
if (qemuBuildDeviceCommandlineFromJSON(cmd, props, qemuCaps) < 0)
@ -4386,7 +4382,7 @@ qemuBuildInputCommandLine(virCommand *cmd,
for (i = 0; i < def->ninputs; i++) {
virDomainInputDef *input = def->inputs[i];
if (qemuCommandAddExtDevice(cmd, &input->info) < 0)
if (qemuCommandAddExtDevice(cmd, &input->info, qemuCaps) < 0)
return -1;
if (input->type == VIR_DOMAIN_INPUT_TYPE_EVDEV) {
@ -4532,7 +4528,7 @@ qemuBuildSoundCommandLine(virCommand *cmd,
if (sound->model == VIR_DOMAIN_SOUND_MODEL_PCSPK) {
virCommandAddArgList(cmd, "-soundhw", "pcspk", NULL);
} else {
if (qemuCommandAddExtDevice(cmd, &sound->info) < 0)
if (qemuCommandAddExtDevice(cmd, &sound->info, qemuCaps) < 0)
return -1;
virCommandAddArg(cmd, "-device");
@ -4721,7 +4717,7 @@ qemuBuildVideoCommandLine(virCommand *cmd,
if (video->type == VIR_DOMAIN_VIDEO_TYPE_NONE)
continue;
if (qemuCommandAddExtDevice(cmd, &def->videos[i]->info) < 0)
if (qemuCommandAddExtDevice(cmd, &def->videos[i]->info, qemuCaps) < 0)
return -1;
virCommandAddArg(cmd, "-device");
@ -5537,7 +5533,7 @@ qemuBuildHostdevCommandLine(virCommand *cmd,
if (hostdev->info->type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_UNASSIGNED)
continue;
if (qemuCommandAddExtDevice(cmd, hostdev->info) < 0)
if (qemuCommandAddExtDevice(cmd, hostdev->info, qemuCaps) < 0)
return -1;
virCommandAddArg(cmd, "-device");
@ -5884,7 +5880,7 @@ qemuBuildRNGCommandLine(virLogManager *logManager,
return -1;
/* add the device */
if (qemuCommandAddExtDevice(cmd, &rng->info) < 0)
if (qemuCommandAddExtDevice(cmd, &rng->info, qemuCaps) < 0)
return -1;
if (!(devprops = qemuBuildRNGDevProps(def, rng, qemuCaps)))
@ -9020,14 +9016,14 @@ qemuBuildInterfaceCommandLine(virQEMUDriver *driver,
* New way: -netdev type=tap,id=netdev1 -device e1000,id=netdev1
*/
if (qemuDomainSupportsNicdev(def, net)) {
if (qemuCommandAddExtDevice(cmd, &net->info) < 0)
if (qemuCommandAddExtDevice(cmd, &net->info, qemuCaps) < 0)
goto cleanup;
if (!(nic = qemuBuildNicDevStr(def, net, net->driver.virtio.queues, qemuCaps)))
goto cleanup;
virCommandAddArgList(cmd, "-device", nic, NULL);
} else if (!requireNicdev) {
if (qemuCommandAddExtDevice(cmd, &net->info) < 0)
if (qemuCommandAddExtDevice(cmd, &net->info, qemuCaps) < 0)
goto cleanup;
if (!(nic = qemuBuildLegacyNicStr(net)))
@ -9405,7 +9401,7 @@ qemuBuildShmemCommandLine(virLogManager *logManager,
if (!devProps)
return -1;
if (qemuCommandAddExtDevice(cmd, &shmem->info) < 0)
if (qemuCommandAddExtDevice(cmd, &shmem->info, qemuCaps) < 0)
return -1;
if (qemuBuildDeviceCommandlineFromJSON(cmd, devProps, qemuCaps) < 0)
@ -10551,7 +10547,7 @@ qemuBuildVsockCommandLine(virCommand *cmd,
virCommandPassFD(cmd, priv->vhostfd, VIR_COMMAND_PASS_FD_CLOSE_PARENT);
priv->vhostfd = -1;
if (qemuCommandAddExtDevice(cmd, &vsock->info) < 0)
if (qemuCommandAddExtDevice(cmd, &vsock->info, qemuCaps) < 0)
return -1;
virCommandAddArgList(cmd, "-device", devstr, NULL);

3
src/qemu/qemu_command.h
View File

@ -208,7 +208,8 @@ virJSONValue *
qemuBuildRedirdevDevProps(const virDomainDef *def,
virDomainRedirdevDef *dev);
char *qemuBuildZPCIDevStr(virDomainDeviceInfo *dev);
virJSONValue *
qemuBuildZPCIDevProps(virDomainDeviceInfo *dev);
int qemuNetworkPrepareDevices(virDomainDef *def);

27
src/qemu/qemu_hotplug.c
View File

@ -138,22 +138,6 @@ qemuDomainDeleteDevice(virDomainObj *vm,
}
static int
qemuDomainAttachZPCIDevice(qemuMonitor *mon,
virDomainDeviceInfo *info)
{
g_autofree char *devstr_zpci = NULL;
if (!(devstr_zpci = qemuBuildZPCIDevStr(info)))
return -1;
if (qemuMonitorAddDevice(mon, devstr_zpci) < 0)
return -1;
return 0;
}
static int
qemuDomainDetachZPCIDevice(qemuMonitor *mon,
virDomainDeviceInfo *info)
@ -178,8 +162,15 @@ qemuDomainAttachExtensionDevice(qemuMonitor *mon,
return 0;
}
if (info->addr.pci.extFlags & VIR_PCI_ADDRESS_EXTENSION_ZPCI)
return qemuDomainAttachZPCIDevice(mon, info);
if (info->addr.pci.extFlags & VIR_PCI_ADDRESS_EXTENSION_ZPCI) {
g_autoptr(virJSONValue) devprops = NULL;
if (!(devprops = qemuBuildZPCIDevProps(info)))
return -1;
if (qemuMonitorAddDeviceProps(mon, &devprops) < 0)
return -1;
}
return 0;
}