[libvirt] [PATCH 04/18] conf: Add virDomainNetHasVirtioModel
Cole Robinson
crobinso at redhat.com
Thu Jan 17 17:52:31 UTC 2019
This will be extended in the future, so let's simplify things by
centralizing the checks.
Signed-off-by: Cole Robinson <crobinso at redhat.com>
---
src/conf/domain_conf.c | 47 +++++++++++++++++++---------------
src/conf/domain_conf.h | 1 +
src/libvirt_private.syms | 1 +
src/qemu/qemu_domain.c | 2 +-
src/qemu/qemu_domain_address.c | 3 +--
src/qemu/qemu_hotplug.c | 2 +-
src/qemu/qemu_interface.c | 8 +++---
src/security/virt-aa-helper.c | 2 +-
tests/qemuxml2argvmock.c | 2 +-
9 files changed, 38 insertions(+), 30 deletions(-)
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index facb84a425..4fc33c7e2f 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -4737,7 +4737,7 @@ virDomainDeviceDefPostParseCommon(virDomainDeviceDefPtr dev,
if (dev->type == VIR_DOMAIN_DEVICE_NET) {
virDomainNetDefPtr net = dev->data.net;
- if (STRNEQ_NULLABLE(net->model, "virtio") &&
+ if (!virDomainNetHasVirtioModel(net) &&
virDomainCheckVirtioOptions(net->virtio) < 0)
return -1;
}
@@ -11329,6 +11329,22 @@ virDomainNetDefParseXML(virDomainXMLOptionPtr xmlopt,
goto error;
}
+ /* NIC model (see -net nic,model=?). We only check that it looks
+ * reasonable, not that it is a supported NIC type. FWIW kvm
+ * supports these types as of April 2008:
+ * i82551 i82557b i82559er ne2k_pci pcnet rtl8139 e1000 virtio
+ * QEMU PPC64 supports spapr-vlan
+ */
+ if (model != NULL) {
+ if (strspn(model, NET_MODEL_CHARS) < strlen(model)) {
+ virReportError(VIR_ERR_INVALID_ARG, "%s",
+ _("Model name contains invalid characters"));
+ goto error;
+ }
+ def->model = model;
+ model = NULL;
+ }
+
switch (def->type) {
case VIR_DOMAIN_NET_TYPE_NETWORK:
if (network == NULL) {
@@ -11346,7 +11362,7 @@ virDomainNetDefParseXML(virDomainXMLOptionPtr xmlopt,
break;
case VIR_DOMAIN_NET_TYPE_VHOSTUSER:
- if (STRNEQ_NULLABLE(model, "virtio")) {
+ if (!virDomainNetHasVirtioModel(def)) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Wrong or no <model> 'type' attribute "
"specified with <interface type='vhostuser'/>. "
@@ -11574,24 +11590,8 @@ virDomainNetDefParseXML(virDomainXMLOptionPtr xmlopt,
ifname_guest_actual = NULL;
}
- /* NIC model (see -net nic,model=?). We only check that it looks
- * reasonable, not that it is a supported NIC type. FWIW kvm
- * supports these types as of April 2008:
- * i82551 i82557b i82559er ne2k_pci pcnet rtl8139 e1000 virtio
- * QEMU PPC64 supports spapr-vlan
- */
- if (model != NULL) {
- if (strspn(model, NET_MODEL_CHARS) < strlen(model)) {
- virReportError(VIR_ERR_INVALID_ARG, "%s",
- _("Model name contains invalid characters"));
- goto error;
- }
- def->model = model;
- model = NULL;
- }
-
if (def->type != VIR_DOMAIN_NET_TYPE_HOSTDEV &&
- STREQ_NULLABLE(def->model, "virtio")) {
+ virDomainNetHasVirtioModel(def)) {
if (backend != NULL) {
if ((val = virDomainNetBackendTypeFromString(backend)) < 0 ||
val == VIR_DOMAIN_NET_BACKEND_TYPE_DEFAULT) {
@@ -25478,7 +25478,7 @@ virDomainNetDefFormat(virBufferPtr buf,
if (def->model) {
virBufferEscapeString(buf, "<model type='%s'/>\n",
def->model);
- if (STREQ(def->model, "virtio")) {
+ if (virDomainNetHasVirtioModel(def)) {
char *str = NULL, *gueststr = NULL, *hoststr = NULL;
int rc = 0;
@@ -29732,6 +29732,13 @@ virDomainNetGetActualTrustGuestRxFilters(virDomainNetDefPtr iface)
}
+bool
+virDomainNetHasVirtioModel(const virDomainNetDef *iface)
+{
+ return STREQ_NULLABLE(iface->model, "virtio");
+}
+
+
/* Return listens[i] from the appropriate union for the graphics
* type, or NULL if this is an unsuitable type, or the index is out of
* bounds. If force0 is TRUE, i == 0, and there is no listen array,
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index 16c2c6e75b..e3f4273b55 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -3222,6 +3222,7 @@ virNetDevBandwidthPtr
virDomainNetGetActualBandwidth(virDomainNetDefPtr iface);
virNetDevVlanPtr virDomainNetGetActualVlan(virDomainNetDefPtr iface);
bool virDomainNetGetActualTrustGuestRxFilters(virDomainNetDefPtr iface);
+bool virDomainNetHasVirtioModel(const virDomainNetDef *iface);
int virDomainNetAppendIPAddress(virDomainNetDefPtr def,
const char *address,
int family,
diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index 0d6f054cf2..bd7e896654 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -470,6 +470,7 @@ virDomainNetGetActualTrustGuestRxFilters;
virDomainNetGetActualType;
virDomainNetGetActualVirtPortProfile;
virDomainNetGetActualVlan;
+virDomainNetHasVirtioModel;
virDomainNetInsert;
virDomainNetNotifyActualDevice;
virDomainNetReleaseActualDevice;
diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index ec6b340308..08bb2f9ebc 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -4573,7 +4573,7 @@ qemuDomainDeviceDefValidateNetwork(const virDomainNetDef *net)
return -1;
}
- if (STREQ_NULLABLE(net->model, "virtio")) {
+ if (virDomainNetHasVirtioModel(net)) {
if (net->driver.virtio.rx_queue_size & (net->driver.virtio.rx_queue_size - 1)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("rx_queue_size has to be a power of two"));
diff --git a/src/qemu/qemu_domain_address.c b/src/qemu/qemu_domain_address.c
index 4a7c71d76d..0950197a44 100644
--- a/src/qemu/qemu_domain_address.c
+++ b/src/qemu/qemu_domain_address.c
@@ -322,8 +322,7 @@ qemuDomainPrimeVirtioDeviceAddresses(virDomainDefPtr def,
for (i = 0; i < def->nnets; i++) {
virDomainNetDefPtr net = def->nets[i];
- if (net->model &&
- STREQ(net->model, "virtio") &&
+ if (virDomainNetHasVirtioModel(net) &&
net->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE) {
net->info.type = type;
}
diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c
index a1c3ca999b..2fdc71d07b 100644
--- a/src/qemu/qemu_hotplug.c
+++ b/src/qemu/qemu_hotplug.c
@@ -3710,7 +3710,7 @@ qemuDomainChangeNet(virQEMUDriverPtr driver,
goto cleanup;
}
- if (olddev->model && STREQ(olddev->model, "virtio") &&
+ if (virDomainNetHasVirtioModel(olddev) &&
(olddev->driver.virtio.name != newdev->driver.virtio.name ||
olddev->driver.virtio.txmode != newdev->driver.virtio.txmode ||
olddev->driver.virtio.ioeventfd != newdev->driver.virtio.ioeventfd ||
diff --git a/src/qemu/qemu_interface.c b/src/qemu/qemu_interface.c
index 2607dea1f5..2cbb382b10 100644
--- a/src/qemu/qemu_interface.c
+++ b/src/qemu/qemu_interface.c
@@ -261,7 +261,7 @@ qemuInterfaceDirectConnect(virDomainDefPtr def,
virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
unsigned int macvlan_create_flags = VIR_NETDEV_MACVLAN_CREATE_WITH_TAP;
- if (net->model && STREQ(net->model, "virtio"))
+ if (virDomainNetHasVirtioModel(net))
macvlan_create_flags |= VIR_NETDEV_MACVLAN_VNET_HDR;
if (virNetDevMacVLanCreateWithVPortProfile(net->ifname,
@@ -434,7 +434,7 @@ qemuInterfaceEthernetConnect(virDomainDefPtr def,
template_ifname = true;
}
- if (net->model && STREQ(net->model, "virtio"))
+ if (virDomainNetHasVirtioModel(net))
tap_create_flags |= VIR_NETDEV_TAP_CREATE_VNET_HDR;
if (virNetDevTapCreate(&net->ifname, tunpath, tapfd, tapfdSize,
@@ -533,7 +533,7 @@ qemuInterfaceBridgeConnect(virDomainDefPtr def,
template_ifname = true;
}
- if (net->model && STREQ(net->model, "virtio"))
+ if (virDomainNetHasVirtioModel(net))
tap_create_flags |= VIR_NETDEV_TAP_CREATE_VNET_HDR;
if (virQEMUDriverIsPrivileged(driver)) {
@@ -653,7 +653,7 @@ qemuInterfaceOpenVhostNet(virDomainDefPtr def,
}
/* If the nic model isn't virtio, don't try to open. */
- if (!(net->model && STREQ(net->model, "virtio"))) {
+ if (!virDomainNetHasVirtioModel(net)) {
if (net->driver.virtio.name == VIR_DOMAIN_NET_BACKEND_TYPE_VHOST) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
"%s", _("vhost-net is only supported for "
diff --git a/src/security/virt-aa-helper.c b/src/security/virt-aa-helper.c
index 64a425671d..3bd30bb417 100644
--- a/src/security/virt-aa-helper.c
+++ b/src/security/virt-aa-helper.c
@@ -1241,7 +1241,7 @@ get_files(vahControl * ctl)
if (net && net->model) {
if (net->driver.virtio.name == VIR_DOMAIN_NET_BACKEND_TYPE_QEMU)
continue;
- if (STRNEQ(net->model, "virtio"))
+ if (!virDomainNetHasVirtioModel(net))
continue;
}
needsvhost = true;
diff --git a/tests/qemuxml2argvmock.c b/tests/qemuxml2argvmock.c
index b300793732..729e8146b1 100644
--- a/tests/qemuxml2argvmock.c
+++ b/tests/qemuxml2argvmock.c
@@ -228,7 +228,7 @@ qemuInterfaceOpenVhostNet(virDomainDefPtr def ATTRIBUTE_UNUSED,
{
size_t i;
- if (!(net->model && STREQ(net->model, "virtio"))) {
+ if (!virDomainNetHasVirtioModel(net)) {
*vhostfdSize = 0;
return 0;
}
--
2.20.1
More information about the libvir-list
mailing list