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virDomainHostdevDefFormatSubsys: Split out formatting of USB subsystem

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Separate out bits related to USB so that the logic isn't entangled in
multiple conditional statements.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2020-07-10 12:26:31 +02:00
parent 6885542369
commit f551294506
1 changed files with 51 additions and 22 deletions
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73
src/conf/domain_conf.c
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@ -26023,6 +26023,40 @@ virDomainNetIPInfoFormat(virBufferPtr buf,
}
static void
virDomainHostdevDefFormatSubsysUSB(virBufferPtr buf,
virDomainHostdevDefPtr def,
unsigned int flags,
bool includeTypeInAddr)
{
g_auto(virBuffer) sourceAttrBuf = VIR_BUFFER_INITIALIZER;
g_auto(virBuffer) sourceChildBuf = VIR_BUFFER_INIT_CHILD(buf);
virDomainHostdevSubsysUSBPtr usbsrc = &def->source.subsys.u.usb;
if (def->startupPolicy)
virBufferAsprintf(&sourceAttrBuf, " startupPolicy='%s'",
virDomainStartupPolicyTypeToString(def->startupPolicy));
if (usbsrc->autoAddress && (flags & VIR_DOMAIN_DEF_FORMAT_MIGRATABLE))
virBufferAddLit(&sourceAttrBuf, " autoAddress='yes'");
if (def->missing && !(flags & VIR_DOMAIN_DEF_FORMAT_INACTIVE))
virBufferAddLit(&sourceAttrBuf, " missing='yes'");
if (usbsrc->vendor) {
virBufferAsprintf(&sourceChildBuf, "<vendor id='0x%.4x'/>\n", usbsrc->vendor);
virBufferAsprintf(&sourceChildBuf, "<product id='0x%.4x'/>\n", usbsrc->product);
}
if (usbsrc->bus || usbsrc->device)
virBufferAsprintf(&sourceChildBuf, "<address %sbus='%d' device='%d'/>\n",
includeTypeInAddr ? "type='usb' " : "",
usbsrc->bus, usbsrc->device);
virXMLFormatElement(buf, "source", &sourceAttrBuf, &sourceChildBuf);
}
static int
virDomainHostdevDefFormatSubsys(virBufferPtr buf,
virDomainHostdevDefPtr def,
@ -26033,7 +26067,6 @@ virDomainHostdevDefFormatSubsys(virBufferPtr buf,
g_auto(virBuffer) sourceAttrBuf = VIR_BUFFER_INITIALIZER;
g_auto(virBuffer) sourceChildBuf = VIR_BUFFER_INIT_CHILD(buf);
g_auto(virBuffer) origstatesChildBuf = VIR_BUFFER_INIT_CHILD(&sourceChildBuf);
virDomainHostdevSubsysUSBPtr usbsrc = &def->source.subsys.u.usb;
virDomainHostdevSubsysPCIPtr pcisrc = &def->source.subsys.u.pci;
virDomainHostdevSubsysSCSIPtr scsisrc = &def->source.subsys.u.scsi;
virDomainHostdevSubsysSCSIVHostPtr hostsrc = &def->source.subsys.u.scsi_host;
@ -26041,6 +26074,23 @@ virDomainHostdevDefFormatSubsys(virBufferPtr buf,
virDomainHostdevSubsysSCSIHostPtr scsihostsrc = &scsisrc->u.host;
virDomainHostdevSubsysSCSIiSCSIPtr iscsisrc = &scsisrc->u.iscsi;
switch ((virDomainHostdevSubsysType) def->source.subsys.type) {
case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_USB:
virDomainHostdevDefFormatSubsysUSB(buf, def, flags, includeTypeInAddr);
return 0;
case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI:
case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_SCSI:
case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_SCSI_HOST:
case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_MDEV:
break;
case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_LAST:
default:
virReportEnumRangeError(virDomainHostdevSubsysType, def->source.subsys.type);
return -1;
}
if (def->source.subsys.type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI &&
pcisrc->backend != VIR_DOMAIN_HOSTDEV_PCI_BACKEND_DEFAULT) {
const char *backend =
@ -26055,18 +26105,6 @@ virDomainHostdevDefFormatSubsys(virBufferPtr buf,
virBufferAsprintf(buf, "<driver name='%s'/>\n", backend);
}
if (def->source.subsys.type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_USB) {
if (def->startupPolicy) {
const char *policy;
policy = virDomainStartupPolicyTypeToString(def->startupPolicy);
virBufferAsprintf(&sourceAttrBuf, " startupPolicy='%s'", policy);
}
if (usbsrc->autoAddress && (flags & VIR_DOMAIN_DEF_FORMAT_MIGRATABLE))
virBufferAddLit(&sourceAttrBuf, " autoAddress='yes'");
if (def->missing && !(flags & VIR_DOMAIN_DEF_FORMAT_INACTIVE))
virBufferAddLit(&sourceAttrBuf, " missing='yes'");
}
if (def->source.subsys.type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_SCSI &&
scsisrc->protocol == VIR_DOMAIN_HOSTDEV_SCSI_PROTOCOL_TYPE_ISCSI) {
@ -26087,15 +26125,6 @@ virDomainHostdevDefFormatSubsys(virBufferPtr buf,
switch (def->source.subsys.type) {
case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_USB:
if (usbsrc->vendor) {
virBufferAsprintf(&sourceChildBuf, "<vendor id='0x%.4x'/>\n", usbsrc->vendor);
virBufferAsprintf(&sourceChildBuf, "<product id='0x%.4x'/>\n", usbsrc->product);
}
if (usbsrc->bus || usbsrc->device) {
virBufferAsprintf(&sourceChildBuf, "<address %sbus='%d' device='%d'/>\n",
includeTypeInAddr ? "type='usb' " : "",
usbsrc->bus, usbsrc->device);
}
break;
case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI:
virPCIDeviceAddressFormat(&sourceChildBuf, pcisrc->addr,