[PATCH 040/103] qemuBuildVirtioDevGetConfigDev: Provide more information
Peter Krempa
pkrempa at redhat.com
Thu Oct 7 15:17:28 UTC 2021
Since we already have code for per-device behaviour we can also populate
the device name and extract virtioOptions in the switch statement so
that callers don't have to pass it in.
Signed-off-by: Peter Krempa <pkrempa at redhat.com>
---
src/qemu/qemu_command.c | 107 +++++++++++++++++++++++++++++++++++++---
1 file changed, 99 insertions(+), 8 deletions(-)
diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index b1ee5c6cb8..8753ae5891 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -709,67 +709,147 @@ qemuDeviceVideoGetModel(virQEMUCaps *qemuCaps,
static void
qemuBuildVirtioDevGetConfigDev(virDomainDeviceDef *device,
+ virQEMUCaps *qemuCaps,
+ const char **baseName,
+ virDomainVirtioOptions **virtioOptions,
bool *has_tmodel,
- bool *has_ntmodel)
+ bool *has_ntmodel,
+ bool *useBusSuffix)
{
switch ((virDomainDeviceType) device->type) {
case VIR_DOMAIN_DEVICE_DISK:
+ if (virStorageSourceGetActualType(device->data.disk->src) == VIR_STORAGE_TYPE_VHOST_USER)
+ *baseName = "vhost-user-blk";
+ else
+ *baseName = "virtio-blk";
+
+ *virtioOptions = device->data.disk->virtio;
*has_tmodel = device->data.disk->model == VIR_DOMAIN_DISK_MODEL_VIRTIO_TRANSITIONAL;
*has_ntmodel = device->data.disk->model == VIR_DOMAIN_DISK_MODEL_VIRTIO_NON_TRANSITIONAL;
break;
case VIR_DOMAIN_DEVICE_NET:
+ *baseName = "virtio-net";
+ *virtioOptions = device->data.net->virtio;
*has_tmodel = device->data.net->model == VIR_DOMAIN_NET_MODEL_VIRTIO_TRANSITIONAL;
*has_ntmodel = device->data.net->model == VIR_DOMAIN_NET_MODEL_VIRTIO_NON_TRANSITIONAL;
break;
case VIR_DOMAIN_DEVICE_HOSTDEV:
if (device->data.hostdev->source.subsys.type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_SCSI_HOST) {
+ *baseName = "vhost-scsi";
*has_tmodel = device->data.hostdev->source.subsys.u.scsi_host.model == VIR_DOMAIN_HOSTDEV_SUBSYS_SCSI_VHOST_MODEL_TYPE_VIRTIO_TRANSITIONAL;
*has_ntmodel = device->data.hostdev->source.subsys.u.scsi_host.model == VIR_DOMAIN_HOSTDEV_SUBSYS_SCSI_VHOST_MODEL_TYPE_VIRTIO_NON_TRANSITIONAL;
}
break;
case VIR_DOMAIN_DEVICE_RNG:
+ *baseName = "virtio-rng";
+ *virtioOptions = device->data.rng->virtio;
*has_tmodel = device->data.rng->model == VIR_DOMAIN_RNG_MODEL_VIRTIO_TRANSITIONAL;
*has_ntmodel = device->data.rng->model == VIR_DOMAIN_RNG_MODEL_VIRTIO_NON_TRANSITIONAL;
break;
case VIR_DOMAIN_DEVICE_FS:
+ switch ((virDomainFSDriverType) device->data.fs->fsdriver) {
+ case VIR_DOMAIN_FS_DRIVER_TYPE_DEFAULT:
+ case VIR_DOMAIN_FS_DRIVER_TYPE_PATH:
+ case VIR_DOMAIN_FS_DRIVER_TYPE_HANDLE:
+ *baseName = "virtio-9p";
+ break;
+
+ case VIR_DOMAIN_FS_DRIVER_TYPE_VIRTIOFS:
+ *baseName = "vhost-user-fs";
+ break;
+
+ case VIR_DOMAIN_FS_DRIVER_TYPE_LOOP:
+ case VIR_DOMAIN_FS_DRIVER_TYPE_NBD:
+ case VIR_DOMAIN_FS_DRIVER_TYPE_PLOOP:
+ case VIR_DOMAIN_FS_DRIVER_TYPE_LAST:
+ break;
+
+ }
+ *virtioOptions = device->data.fs->virtio;
*has_tmodel = device->data.fs->model == VIR_DOMAIN_FS_MODEL_VIRTIO_TRANSITIONAL;
*has_ntmodel = device->data.fs->model == VIR_DOMAIN_FS_MODEL_VIRTIO_NON_TRANSITIONAL;
break;
case VIR_DOMAIN_DEVICE_MEMBALLOON:
+ *baseName = "virtio-balloon";
+ *virtioOptions = device->data.memballoon->virtio;
*has_tmodel = device->data.memballoon->model == VIR_DOMAIN_MEMBALLOON_MODEL_VIRTIO_TRANSITIONAL;
*has_ntmodel = device->data.memballoon->model == VIR_DOMAIN_MEMBALLOON_MODEL_VIRTIO_NON_TRANSITIONAL;
break;
case VIR_DOMAIN_DEVICE_VSOCK:
+ *baseName = "vhost-vsock";
+ *virtioOptions = device->data.vsock->virtio;
*has_tmodel = device->data.vsock->model == VIR_DOMAIN_VSOCK_MODEL_VIRTIO_TRANSITIONAL;
*has_ntmodel = device->data.vsock->model == VIR_DOMAIN_VSOCK_MODEL_VIRTIO_NON_TRANSITIONAL;
break;
case VIR_DOMAIN_DEVICE_INPUT:
- if (device->data.input->type == VIR_DOMAIN_INPUT_TYPE_PASSTHROUGH) {
+ *virtioOptions = device->data.input->virtio;
+
+ switch ((virDomainInputType) device->data.input->type) {
+ case VIR_DOMAIN_INPUT_TYPE_MOUSE:
+ *baseName = "virtio-mouse";
+ break;
+
+ case VIR_DOMAIN_INPUT_TYPE_TABLET:
+ *baseName = "virtio-tablet";
+ break;
+
+ case VIR_DOMAIN_INPUT_TYPE_KBD:
+ *baseName = "virtio-keyboard";
+ break;
+
+ case VIR_DOMAIN_INPUT_TYPE_PASSTHROUGH:
+ *baseName = "virtio-input-host";
*has_tmodel = device->data.input->model == VIR_DOMAIN_INPUT_MODEL_VIRTIO_TRANSITIONAL;
*has_ntmodel = device->data.input->model == VIR_DOMAIN_INPUT_MODEL_VIRTIO_NON_TRANSITIONAL;
+ break;
+
+ case VIR_DOMAIN_INPUT_TYPE_EVDEV:
+ case VIR_DOMAIN_INPUT_TYPE_LAST:
+ default:
+ break;
}
break;
case VIR_DOMAIN_DEVICE_CONTROLLER:
if (device->data.controller->type == VIR_DOMAIN_CONTROLLER_TYPE_VIRTIO_SERIAL) {
+ *baseName = "virtio-serial";
+ *virtioOptions = device->data.controller->virtio;
*has_tmodel = device->data.controller->model == VIR_DOMAIN_CONTROLLER_MODEL_VIRTIO_SERIAL_VIRTIO_TRANSITIONAL;
*has_ntmodel = device->data.controller->model == VIR_DOMAIN_CONTROLLER_MODEL_VIRTIO_SERIAL_VIRTIO_NON_TRANSITIONAL;
} else if (device->data.controller->type == VIR_DOMAIN_CONTROLLER_TYPE_SCSI) {
+ *baseName = "virtio-scsi";
+ *virtioOptions = device->data.controller->virtio;
*has_tmodel = device->data.controller->model == VIR_DOMAIN_CONTROLLER_MODEL_SCSI_VIRTIO_TRANSITIONAL;
*has_ntmodel = device->data.controller->model == VIR_DOMAIN_CONTROLLER_MODEL_SCSI_VIRTIO_NON_TRANSITIONAL;
}
break;
+ case VIR_DOMAIN_DEVICE_VIDEO: {
+ bool virtio;
+ bool virtioBusSuffix;
+
+ if (!(*baseName = qemuDeviceVideoGetModel(qemuCaps,
+ device->data.video,
+ &virtio,
+ &virtioBusSuffix)))
+ return;
+
+ if (!virtioBusSuffix)
+ *useBusSuffix = false;
+
+ *virtioOptions = device->data.video->virtio;
+ }
+ break;
+
case VIR_DOMAIN_DEVICE_LEASE:
case VIR_DOMAIN_DEVICE_SOUND:
- case VIR_DOMAIN_DEVICE_VIDEO:
case VIR_DOMAIN_DEVICE_WATCHDOG:
case VIR_DOMAIN_DEVICE_GRAPHICS:
case VIR_DOMAIN_DEVICE_HUB:
@@ -793,7 +873,6 @@ qemuBuildVirtioDevGetConfigDev(virDomainDeviceDef *device,
static int
qemuBuildVirtioDevGetConfig(virDomainDeviceDef *device,
- const char *baseName,
virQEMUCaps *qemuCaps,
char **devtype,
virTristateSwitch *disableLegacy,
@@ -801,14 +880,25 @@ qemuBuildVirtioDevGetConfig(virDomainDeviceDef *device,
{
virDomainDeviceInfo *info = virDomainDeviceGetInfo(device);
g_auto(virBuffer) buf = VIR_BUFFER_INITIALIZER;
+ const char *baseName = NULL;
const char *implName = NULL;
bool has_tmodel = false;
bool has_ntmodel = false;
+ bool useBusSuffix = true;
+ virDomainVirtioOptions *virtioOptions;
*disableLegacy = VIR_TRISTATE_SWITCH_ABSENT;
*disableModern = VIR_TRISTATE_SWITCH_ABSENT;
- qemuBuildVirtioDevGetConfigDev(device, &has_tmodel, &has_ntmodel);
+ qemuBuildVirtioDevGetConfigDev(device, qemuCaps, &baseName,
+ &virtioOptions, &has_tmodel,
+ &has_ntmodel, &useBusSuffix);
+
+ if (!baseName) {
+ virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+ _("unknown base name while formatting virtio device"));
+ return -1;
+ }
virBufferAdd(&buf, baseName, -1);
@@ -845,7 +935,8 @@ qemuBuildVirtioDevGetConfig(virDomainDeviceDef *device,
return -1;
}
- virBufferAsprintf(&buf, "-%s", implName);
+ if (useBusSuffix)
+ virBufferAsprintf(&buf, "-%s", implName);
if (has_tmodel || has_ntmodel) {
if (info->type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI) {
@@ -906,7 +997,7 @@ qemuBuildVirtioDevGetConfig(virDomainDeviceDef *device,
*/
static int
qemuBuildVirtioDevStr(virBuffer *buf,
- const char *baseName,
+ const char *baseName G_GNUC_UNUSED,
virQEMUCaps *qemuCaps,
virDomainDeviceType devtype,
void *devdata)
@@ -918,7 +1009,7 @@ qemuBuildVirtioDevStr(virBuffer *buf,
virDomainDeviceSetData(&device, devdata);
- if (qemuBuildVirtioDevGetConfig(&device, baseName, qemuCaps, &model,
+ if (qemuBuildVirtioDevGetConfig(&device, qemuCaps, &model,
&disableLegacy, &disableModern) < 0)
return -1;
--
2.31.1
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