Add necessary handling code for the new s390 CCW address type to
virDomainDeviceInfo. Further, introduce memory management, XML
parsing, output formatting and range validation for the new
virDomainDeviceCCWAddress type.
Signed-off-by: Viktor Mihajlovski <mihajlov@xxxxxxxxxxxxxxxxxx>
---
src/conf/domain_conf.c | 80 +++++++++++++++++++++++++++++++++++++++++++++-
src/conf/domain_conf.h | 16 ++++++++++
src/libvirt_private.syms | 1 +
3 files changed, 96 insertions(+), 1 deletion(-)
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index abf2b6b..47f2cce 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -176,7 +176,8 @@ VIR_ENUM_IMPL(virDomainDeviceAddress, VIR_DOMAIN_DEVICE_ADDRESS_TYPE_LAST,
"ccid",
"usb",
"spapr-vio",
- "virtio-s390")
+ "virtio-s390",
+ "ccw")
VIR_ENUM_IMPL(virDomainDisk, VIR_DOMAIN_DISK_TYPE_LAST,
"block",
@@ -1993,6 +1994,13 @@ void virDomainRemoveInactive(virDomainObjListPtr doms,
virHashRemoveEntry(doms->objs, uuidstr);
}
+static int
+virDomainDeviceCCWAddressIsValid(virDomainDeviceCCWAddressPtr addr)
+{
+ return addr->cssid <= VIR_DOMAIN_DEVICE_CCW_MAX_CSSID &&
+ addr->ssid <= VIR_DOMAIN_DEVICE_CCW_MAX_SSID &&
+ addr->schid <= VIR_DOMAIN_DEVICE_CCW_MAX_SCHID;
+}
int virDomainDeviceAddressIsValid(virDomainDeviceInfoPtr info,
int type)
@@ -2007,6 +2015,12 @@ int virDomainDeviceAddressIsValid(virDomainDeviceInfoPtr info,
case VIR_DOMAIN_DEVICE_ADDRESS_TYPE_DRIVE:
return 1;
+ case VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_S390:
+ return 1;
+
+ case VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCW:
+ return virDomainDeviceCCWAddressIsValid(&info->addr.ccw);
+
case VIR_DOMAIN_DEVICE_ADDRESS_TYPE_USB:
return 1;
}
@@ -2088,6 +2102,19 @@ static int virDomainDeviceInfoClearPCIAddress(virDomainDefPtr def ATTRIBUTE_UNUS
return 0;
}
+static int
+virDomainDeviceInfoClearCCWAddress(virDomainDefPtr def ATTRIBUTE_UNUSED,
+ virDomainDeviceDefPtr device ATTRIBUTE_UNUSED,
+ virDomainDeviceInfoPtr info,
+ void *opaque ATTRIBUTE_UNUSED)
+{
+ if (info->type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCW) {
+ memset(&info->addr, 0, sizeof(info->addr));
+ info->type = VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE;
+ }
+ return 0;
+}
+
int virDomainDeviceInfoIterate(virDomainDefPtr def,
virDomainDeviceInfoCallback cb,
void *opaque)
@@ -2200,6 +2227,11 @@ void virDomainDefClearPCIAddresses(virDomainDefPtr def)
virDomainDeviceInfoIterate(def, virDomainDeviceInfoClearPCIAddress, NULL);
}
+void virDomainDefClearCCWAddresses(virDomainDefPtr def)
+{
+ virDomainDeviceInfoIterate(def, virDomainDeviceInfoClearCCWAddress, NULL);
+}
+
void virDomainDefClearDeviceAliases(virDomainDefPtr def)
{
virDomainDeviceInfoIterate(def, virDomainDeviceInfoClearAlias, NULL);
@@ -2301,6 +2333,13 @@ virDomainDeviceInfoFormat(virBufferPtr buf,
virBufferAsprintf(buf, " reg='0x%llx'", info->addr.spaprvio.reg);
break;
+ case VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCW:
+ virBufferAsprintf(buf, " devno='%x.%x.%04x'",
+ info->addr.ccw.cssid,
+ info->addr.ccw.ssid,
+ info->addr.ccw.schid);
+ break;
+
default:
virReportError(VIR_ERR_INTERNAL_ERROR,
_("unknown address type '%d'"), info->type);
@@ -2411,6 +2450,37 @@ cleanup:
}
static int
+virDomainDeviceCCWAddressParseXML(xmlNodePtr node,
+ virDomainDeviceCCWAddressPtr addr)
+{
+ int ret = -1;
+ int num = 0;
+ char *devno;
+ char garbage;
+
+ memset(addr, 0, sizeof(*addr));
+
+ devno = virXMLPropString(node, "devno");
+ if (devno)
+ num = sscanf(devno, "%2x.%1x.%4x%c", &addr->cssid, &addr->ssid,
+ &addr->schid, &garbage);
+
+ if (num != 3 || !virDomainDeviceCCWAddressIsValid(addr)) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ _("Invalid specification for virtio ccw"
+ " address: %s"), devno ? devno : "");
+ goto cleanup;
+ }
+
+ addr->assigned = true;
+ ret = 0;
+
+cleanup:
+ VIR_FREE(devno);
+ return ret;
+}
+
+static int
virDomainDeviceCcidAddressParseXML(xmlNodePtr node,
virDomainDeviceCcidAddressPtr addr)
{
@@ -2703,6 +2773,12 @@ virDomainDeviceInfoParseXML(xmlNodePtr node,
goto cleanup;
break;
+ case VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCW:
+ if (virDomainDeviceCCWAddressParseXML
+ (address, &info->addr.ccw) < 0)
+ goto cleanup;
+ break;
+
default:
/* Should not happen */
virReportError(VIR_ERR_INTERNAL_ERROR,
@@ -4554,6 +4630,7 @@ virDomainControllerDefParseXML(xmlNodePtr node,
if (def->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE &&
def->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_SPAPRVIO &&
+ def->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCW &&
def->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_S390 &&
def->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
@@ -5151,6 +5228,7 @@ virDomainNetDefParseXML(virCapsPtr caps,
* them we should make sure address type is correct */
if (def->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE &&
def->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_SPAPRVIO &&
+ def->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCW &&
def->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_S390 &&
def->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index 9a9e0b1..de0e134 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -191,6 +191,7 @@ enum virDomainDeviceAddressType {
VIR_DOMAIN_DEVICE_ADDRESS_TYPE_USB,
VIR_DOMAIN_DEVICE_ADDRESS_TYPE_SPAPRVIO,
VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_S390,
+ VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCW,
VIR_DOMAIN_DEVICE_ADDRESS_TYPE_LAST
};
@@ -220,6 +221,19 @@ struct _virDomainDeviceVirtioSerialAddress {
unsigned int port;
};
+# define VIR_DOMAIN_DEVICE_CCW_MAX_CSSID 254
+# define VIR_DOMAIN_DEVICE_CCW_MAX_SSID 3
+# define VIR_DOMAIN_DEVICE_CCW_MAX_SCHID 65535
+
+typedef struct _virDomainDeviceCCWAddress virDomainDeviceCCWAddress;
+typedef virDomainDeviceCCWAddress *virDomainDeviceCCWAddressPtr;
+struct _virDomainDeviceCCWAddress {
+ unsigned int cssid;
+ unsigned int ssid;
+ unsigned int schid;
+ bool assigned;
+};
+
typedef struct _virDomainDeviceCcidAddress virDomainDeviceCcidAddress;
typedef virDomainDeviceCcidAddress *virDomainDeviceCcidAddressPtr;
struct _virDomainDeviceCcidAddress {
@@ -270,6 +284,7 @@ struct _virDomainDeviceInfo {
virDomainDeviceCcidAddress ccid;
virDomainDeviceUSBAddress usb;
virDomainDeviceSpaprVioAddress spaprvio;
+ virDomainDeviceCCWAddress ccw;
} addr;
int mastertype;
union {
@@ -1958,6 +1973,7 @@ int virDomainDeviceInfoCopy(virDomainDeviceInfoPtr dst,
virDomainDeviceInfoPtr src);
void virDomainDeviceInfoClear(virDomainDeviceInfoPtr info);
void virDomainDefClearPCIAddresses(virDomainDefPtr def);
+void virDomainDefClearCCWAddresses(virDomainDefPtr def);
void virDomainDefClearDeviceAliases(virDomainDefPtr def);
typedef int (*virDomainDeviceInfoCallback)(virDomainDefPtr def,
diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index c589236..0ce2341 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -323,6 +323,7 @@ virDomainCpuPlacementModeTypeToString;
virDomainDefAddImplicitControllers;
virDomainDefAddSecurityLabelDef;
virDomainDefCheckABIStability;
+virDomainDefClearCCWAddresses;
virDomainDefClearDeviceAliases;
virDomainDefClearPCIAddresses;
virDomainDefCompatibleDevice;
--
1.7.9.5
--
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