[PATCH 13/16] Xen: xen_driver: remove use of XEND_CONFIG_VERSION

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Remove use of XEND_CONFIG_VERSION_* in the Xen unified driver.

Signed-off-by: Jim Fehlig <jfehlig@xxxxxxxx>
---
 src/xen/xen_driver.c | 284 +++++++++++----------------------------------------
 1 file changed, 61 insertions(+), 223 deletions(-)

diff --git a/src/xen/xen_driver.c b/src/xen/xen_driver.c
index 321a250..27da520 100644
--- a/src/xen/xen_driver.c
+++ b/src/xen/xen_driver.c
@@ -109,16 +109,10 @@ static virDomainDefPtr xenGetDomainDefForID(virConnectPtr conn, int id)
 
 static virDomainDefPtr xenGetDomainDefForName(virConnectPtr conn, const char *name)
 {
-    xenUnifiedPrivatePtr priv = conn->privateData;
     virDomainDefPtr ret;
 
     ret = xenDaemonLookupByName(conn, name);
 
-    /* Try XM for inactive domains. */
-    if (!ret &&
-        priv->xendConfigVersion <= XEND_CONFIG_VERSION_3_0_3)
-        ret = xenXMDomainLookupByName(conn, name);
-
     if (!ret && virGetLastError() == NULL)
         virReportError(VIR_ERR_NO_DOMAIN, __FUNCTION__);
 
@@ -128,18 +122,13 @@ static virDomainDefPtr xenGetDomainDefForName(virConnectPtr conn, const char *na
 
 static virDomainDefPtr xenGetDomainDefForUUID(virConnectPtr conn, const unsigned char *uuid)
 {
-    xenUnifiedPrivatePtr priv = conn->privateData;
     virDomainDefPtr ret;
 
     ret = xenHypervisorLookupDomainByUUID(conn, uuid);
 
-    /* Try XM for inactive domains. */
-    if (!ret) {
-        if (priv->xendConfigVersion <= XEND_CONFIG_VERSION_3_0_3)
-            ret = xenXMDomainLookupByUUID(conn, uuid);
-        else
-            ret = xenDaemonLookupByUUID(conn, uuid);
-    }
+    /* Try xend for inactive domains. */
+    if (!ret)
+        ret = xenDaemonLookupByUUID(conn, uuid);
 
     if (!ret && virGetLastError() == NULL)
         virReportError(VIR_ERR_NO_DOMAIN, __FUNCTION__);
@@ -516,15 +505,6 @@ xenUnifiedConnectOpen(virConnectPtr conn, virConnectAuthPtr auth, unsigned int f
     VIR_DEBUG("Activated XenD sub-driver");
     priv->opened[XEN_UNIFIED_XEND_OFFSET] = 1;
 
-    /* For old XenD, the XM driver is required to succeed */
-    if (priv->xendConfigVersion <= XEND_CONFIG_VERSION_3_0_3) {
-        VIR_DEBUG("Trying XM sub-driver");
-        if (xenXMOpen(conn, auth, flags) < 0)
-            goto error;
-        VIR_DEBUG("Activated XM sub-driver");
-        priv->opened[XEN_UNIFIED_XM_OFFSET] = 1;
-    }
-
     VIR_DEBUG("Trying XS sub-driver");
     if (xenStoreOpen(conn, auth, flags) < 0)
         goto error;
@@ -1055,7 +1035,6 @@ xenUnifiedDomainDestroy(virDomainPtr dom)
 static char *
 xenUnifiedDomainGetOSType(virDomainPtr dom)
 {
-    xenUnifiedPrivatePtr priv = dom->conn->privateData;
     char *ret = NULL;
     virDomainDefPtr def;
 
@@ -1065,17 +1044,10 @@ xenUnifiedDomainGetOSType(virDomainPtr dom)
     if (virDomainGetOSTypeEnsureACL(dom->conn, def) < 0)
         goto cleanup;
 
-    if (def->id < 0) {
-        if (priv->xendConfigVersion < XEND_CONFIG_VERSION_3_0_4) {
-            virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
-                           _("Unable to query OS type for inactive domain"));
-            return NULL;
-        } else {
-            ret = xenDaemonDomainGetOSType(dom->conn, def);
-        }
-    } else {
+    if (def->id < 0)
+        ret = xenDaemonDomainGetOSType(dom->conn, def);
+    else
         ret = xenHypervisorDomainGetOSType(dom->conn, def);
-    }
 
  cleanup:
     virDomainDefFree(def);
@@ -1086,7 +1058,6 @@ xenUnifiedDomainGetOSType(virDomainPtr dom)
 static unsigned long long
 xenUnifiedDomainGetMaxMemory(virDomainPtr dom)
 {
-    xenUnifiedPrivatePtr priv = dom->conn->privateData;
     unsigned long long ret = 0;
     virDomainDefPtr def;
 
@@ -1096,14 +1067,10 @@ xenUnifiedDomainGetMaxMemory(virDomainPtr dom)
     if (virDomainGetMaxMemoryEnsureACL(dom->conn, def) < 0)
         goto cleanup;
 
-    if (def->id < 0) {
-        if (priv->xendConfigVersion < XEND_CONFIG_VERSION_3_0_4)
-            ret = xenXMDomainGetMaxMemory(dom->conn, def);
-        else
-            ret = xenDaemonDomainGetMaxMemory(dom->conn, def);
-    } else {
+    if (def->id < 0)
+        ret = xenDaemonDomainGetMaxMemory(dom->conn, def);
+    else
         ret = xenHypervisorGetMaxMemory(dom->conn, def);
-    }
 
  cleanup:
     virDomainDefFree(def);
@@ -1113,7 +1080,6 @@ xenUnifiedDomainGetMaxMemory(virDomainPtr dom)
 static int
 xenUnifiedDomainSetMaxMemory(virDomainPtr dom, unsigned long memory)
 {
-    xenUnifiedPrivatePtr priv = dom->conn->privateData;
     int ret = -1;
     virDomainDefPtr def;
 
@@ -1123,14 +1089,10 @@ xenUnifiedDomainSetMaxMemory(virDomainPtr dom, unsigned long memory)
     if (virDomainSetMaxMemoryEnsureACL(dom->conn, def) < 0)
         goto cleanup;
 
-    if (def->id < 0) {
-        if (priv->xendConfigVersion < XEND_CONFIG_VERSION_3_0_4)
-            ret = xenXMDomainSetMaxMemory(dom->conn, def, memory);
-        else
-            ret = xenDaemonDomainSetMaxMemory(dom->conn, def, memory);
-    } else {
+    if (def->id < 0)
+        ret = xenDaemonDomainSetMaxMemory(dom->conn, def, memory);
+    else
         ret = xenHypervisorSetMaxMemory(dom->conn, def, memory);
-    }
 
  cleanup:
     virDomainDefFree(def);
@@ -1140,7 +1102,6 @@ xenUnifiedDomainSetMaxMemory(virDomainPtr dom, unsigned long memory)
 static int
 xenUnifiedDomainSetMemory(virDomainPtr dom, unsigned long memory)
 {
-    xenUnifiedPrivatePtr priv = dom->conn->privateData;
     int ret = -1;
     virDomainDefPtr def;
 
@@ -1150,10 +1111,7 @@ xenUnifiedDomainSetMemory(virDomainPtr dom, unsigned long memory)
     if (virDomainSetMemoryEnsureACL(dom->conn, def) < 0)
         goto cleanup;
 
-    if (def->id < 0 && priv->xendConfigVersion < XEND_CONFIG_VERSION_3_0_4)
-        ret = xenXMDomainSetMemory(dom->conn, def, memory);
-    else
-        ret = xenDaemonDomainSetMemory(dom->conn, def, memory);
+    ret = xenDaemonDomainSetMemory(dom->conn, def, memory);
 
  cleanup:
     virDomainDefFree(def);
@@ -1163,7 +1121,6 @@ xenUnifiedDomainSetMemory(virDomainPtr dom, unsigned long memory)
 static int
 xenUnifiedDomainGetInfo(virDomainPtr dom, virDomainInfoPtr info)
 {
-    xenUnifiedPrivatePtr priv = dom->conn->privateData;
     int ret = -1;
     virDomainDefPtr def;
 
@@ -1173,14 +1130,10 @@ xenUnifiedDomainGetInfo(virDomainPtr dom, virDomainInfoPtr info)
     if (virDomainGetInfoEnsureACL(dom->conn, def) < 0)
         goto cleanup;
 
-    if (def->id < 0) {
-        if (priv->xendConfigVersion < XEND_CONFIG_VERSION_3_0_4)
-            ret = xenXMDomainGetInfo(dom->conn, def, info);
-        else
-            ret = xenDaemonDomainGetInfo(dom->conn, def, info);
-    } else {
+    if (def->id < 0)
+        ret = xenDaemonDomainGetInfo(dom->conn, def, info);
+    else
         ret = xenHypervisorGetDomainInfo(dom->conn, def, info);
-    }
 
  cleanup:
     virDomainDefFree(def);
@@ -1193,7 +1146,7 @@ xenUnifiedDomainGetState(virDomainPtr dom,
                          int *reason,
                          unsigned int flags)
 {
-    xenUnifiedPrivatePtr priv = dom->conn->privateData;
+
     int ret = -1;
     virDomainDefPtr def;
 
@@ -1205,14 +1158,10 @@ xenUnifiedDomainGetState(virDomainPtr dom,
     if (virDomainGetStateEnsureACL(dom->conn, def) < 0)
         goto cleanup;
 
-    if (def->id < 0) {
-        if (priv->xendConfigVersion < XEND_CONFIG_VERSION_3_0_4)
-            ret = xenXMDomainGetState(dom->conn, def, state, reason);
-        else
-            ret = xenDaemonDomainGetState(dom->conn, def, state, reason);
-    } else {
+    if (def->id < 0)
+        ret = xenDaemonDomainGetState(dom->conn, def, state, reason);
+    else
         ret = xenHypervisorGetDomainState(dom->conn, def, state, reason);
-    }
 
  cleanup:
     virDomainDefFree(def);
@@ -1391,7 +1340,6 @@ static int
 xenUnifiedDomainSetVcpusFlags(virDomainPtr dom, unsigned int nvcpus,
                               unsigned int flags)
 {
-    xenUnifiedPrivatePtr priv = dom->conn->privateData;
     virDomainDefPtr def = NULL;
     int ret = -1;
 
@@ -1420,13 +1368,7 @@ xenUnifiedDomainSetVcpusFlags(virDomainPtr dom, unsigned int nvcpus,
     if (virDomainSetVcpusFlagsEnsureACL(dom->conn, def, flags) < 0)
         goto cleanup;
 
-    /* Try non-hypervisor methods first, then hypervisor direct method
-     * as a last resort.
-     */
-    if (dom->id < 0 && priv->xendConfigVersion < XEND_CONFIG_VERSION_3_0_4)
-        ret = xenXMDomainSetVcpusFlags(dom->conn, def, nvcpus, flags);
-    else
-        ret = xenDaemonDomainSetVcpusFlags(dom->conn, def, nvcpus, flags);
+    ret = xenDaemonDomainSetVcpusFlags(dom->conn, def, nvcpus, flags);
 
  cleanup:
     virDomainDefFree(def);
@@ -1436,14 +1378,12 @@ xenUnifiedDomainSetVcpusFlags(virDomainPtr dom, unsigned int nvcpus,
 static int
 xenUnifiedDomainSetVcpus(virDomainPtr dom, unsigned int nvcpus)
 {
-    xenUnifiedPrivatePtr priv = dom->conn->privateData;
-    unsigned int flags = VIR_DOMAIN_VCPU_LIVE;
+    unsigned int flags;
 
     /* Per the documented API, it is hypervisor-dependent whether this
-     * affects just _LIVE or _LIVE|_CONFIG; in xen's case, that
-     * depends on xendConfigVersion.  */
-    if (priv->xendConfigVersion >= XEND_CONFIG_VERSION_3_0_4)
-        flags |= VIR_DOMAIN_VCPU_CONFIG;
+     * affects just _LIVE or _LIVE|_CONFIG; in xen's case, both are
+     * affected. */
+    flags = VIR_DOMAIN_VCPU_LIVE | VIR_DOMAIN_VCPU_CONFIG;
 
     return xenUnifiedDomainSetVcpusFlags(dom, nvcpus, flags);
 }
@@ -1452,7 +1392,6 @@ static int
 xenUnifiedDomainPinVcpu(virDomainPtr dom, unsigned int vcpu,
                         unsigned char *cpumap, int maplen)
 {
-    xenUnifiedPrivatePtr priv = dom->conn->privateData;
     virDomainDefPtr def = NULL;
     int ret = -1;
 
@@ -1462,14 +1401,10 @@ xenUnifiedDomainPinVcpu(virDomainPtr dom, unsigned int vcpu,
     if (virDomainPinVcpuEnsureACL(dom->conn, def) < 0)
         goto cleanup;
 
-    if (dom->id < 0) {
-        if (priv->xendConfigVersion < XEND_CONFIG_VERSION_3_0_4)
-            ret = xenXMDomainPinVcpu(dom->conn, def, vcpu, cpumap, maplen);
-        else
-            ret = xenDaemonDomainPinVcpu(dom->conn, def, vcpu, cpumap, maplen);
-    } else {
+    if (dom->id < 0)
+        ret = xenDaemonDomainPinVcpu(dom->conn, def, vcpu, cpumap, maplen);
+    else
         ret = xenHypervisorPinVcpu(dom->conn, def, vcpu, cpumap, maplen);
-    }
 
  cleanup:
     virDomainDefFree(def);
@@ -1484,17 +1419,11 @@ xenUnifiedDomainGetVcpusInternal(virDomainPtr dom,
                                  unsigned char *cpumaps,
                                  int maplen)
 {
-    xenUnifiedPrivatePtr priv = dom->conn->privateData;
     int ret = -1;
 
     if (dom->id < 0) {
-        if (priv->xendConfigVersion < XEND_CONFIG_VERSION_3_0_4) {
-            virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
-                           _("Cannot get VCPUs of inactive domain"));
-        } else {
-            ret = xenDaemonDomainGetVcpus(dom->conn, def, info, maxinfo,
-                                          cpumaps, maplen);
-        }
+        ret = xenDaemonDomainGetVcpus(dom->conn, def, info, maxinfo,
+                                      cpumaps, maplen);
     } else {
         ret = xenHypervisorGetVcpus(dom->conn, def, info, maxinfo, cpumaps,
                                     maplen);
@@ -1530,14 +1459,10 @@ xenUnifiedDomainGetVcpusFlagsInternal(virDomainPtr dom,
                                       virDomainDefPtr def,
                                       unsigned int flags)
 {
-    xenUnifiedPrivatePtr priv = dom->conn->privateData;
     int ret = -1;
 
     if (dom->id < 0) {
-        if (priv->xendConfigVersion < XEND_CONFIG_VERSION_3_0_4)
-            ret = xenXMDomainGetVcpusFlags(dom->conn, def, flags);
-        else
-            ret = xenDaemonDomainGetVcpusFlags(dom->conn, def, flags);
+        ret = xenDaemonDomainGetVcpusFlags(dom->conn, def, flags);
     } else {
         if (flags == (VIR_DOMAIN_VCPU_CONFIG | VIR_DOMAIN_VCPU_MAXIMUM))
             ret = xenHypervisorGetVcpuMax(dom->conn, def);
@@ -1585,6 +1510,7 @@ xenUnifiedDomainGetXMLDesc(virDomainPtr dom, unsigned int flags)
     virDomainDefPtr minidef = NULL;
     virDomainDefPtr def = NULL;
     char *ret = NULL;
+    char *cpus = NULL;
 
     if (!(minidef = xenGetDomainDefForDom(dom)))
         goto cleanup;
@@ -1592,22 +1518,17 @@ xenUnifiedDomainGetXMLDesc(virDomainPtr dom, unsigned int flags)
     if (virDomainGetXMLDescEnsureACL(dom->conn, minidef, flags) < 0)
         goto cleanup;
 
-    if (dom->id < 0 && priv->xendConfigVersion < XEND_CONFIG_VERSION_3_0_4) {
-        def = xenXMDomainGetXMLDesc(dom->conn, minidef);
-    } else {
-        char *cpus;
-        xenUnifiedLock(priv);
-        cpus = xenDomainUsedCpus(dom, minidef);
-        xenUnifiedUnlock(priv);
-        def = xenDaemonDomainGetXMLDesc(dom->conn, minidef, cpus);
-        VIR_FREE(cpus);
-    }
+    xenUnifiedLock(priv);
+    cpus = xenDomainUsedCpus(dom, minidef);
+    xenUnifiedUnlock(priv);
+    def = xenDaemonDomainGetXMLDesc(dom->conn, minidef, cpus);
 
     if (def)
         ret = virDomainDefFormat(def,
                                  virDomainDefFormatConvertXMLFlags(flags));
 
  cleanup:
+    VIR_FREE(cpus);
     virDomainDefFree(def);
     virDomainDefFree(minidef);
     return ret;
@@ -1776,7 +1697,6 @@ xenUnifiedDomainMigrateFinish(virConnectPtr dconn,
                               const char *uri ATTRIBUTE_UNUSED,
                               unsigned long flags)
 {
-    xenUnifiedPrivatePtr priv = dconn->privateData;
     virDomainPtr ret = NULL;
     virDomainDefPtr minidef = NULL;
     virDomainDefPtr def = NULL;
@@ -1793,13 +1713,8 @@ xenUnifiedDomainMigrateFinish(virConnectPtr dconn,
         if (!(def = xenDaemonDomainGetXMLDesc(dconn, minidef, NULL)))
             goto cleanup;
 
-        if (priv->xendConfigVersion < XEND_CONFIG_VERSION_3_0_4) {
-            if (xenXMDomainDefineXML(dconn, def) < 0)
-                goto cleanup;
-        } else {
-            if (xenDaemonDomainDefineXML(dconn, def) < 0)
-                goto cleanup;
-        }
+        if (xenDaemonDomainDefineXML(dconn, def) < 0)
+            goto cleanup;
     }
 
     ret = virGetDomain(dconn, minidef->name, minidef->uuid);
@@ -1816,31 +1731,19 @@ static int
 xenUnifiedConnectListDefinedDomains(virConnectPtr conn, char **const names,
                                     int maxnames)
 {
-    xenUnifiedPrivatePtr priv = conn->privateData;
-
     if (virConnectListDefinedDomainsEnsureACL(conn) < 0)
         return -1;
 
-    if (priv->xendConfigVersion < XEND_CONFIG_VERSION_3_0_4) {
-        return xenXMListDefinedDomains(conn, names, maxnames);
-    } else {
-        return xenDaemonListDefinedDomains(conn, names, maxnames);
-    }
+    return xenDaemonListDefinedDomains(conn, names, maxnames);
 }
 
 static int
 xenUnifiedConnectNumOfDefinedDomains(virConnectPtr conn)
 {
-    xenUnifiedPrivatePtr priv = conn->privateData;
-
     if (virConnectNumOfDefinedDomainsEnsureACL(conn) < 0)
         return -1;
 
-    if (priv->xendConfigVersion < XEND_CONFIG_VERSION_3_0_4) {
-        return xenXMNumOfDefinedDomains(conn);
-    } else {
-        return xenDaemonNumOfDefinedDomains(conn);
-    }
+    return xenDaemonNumOfDefinedDomains(conn);
 }
 
 static int
@@ -1869,10 +1772,7 @@ xenUnifiedDomainCreateWithFlags(virDomainPtr dom, unsigned int flags)
         goto cleanup;
     }
 
-    if (priv->xendConfigVersion < XEND_CONFIG_VERSION_3_0_4)
-        ret = xenXMDomainCreate(dom->conn, def);
-    else
-        ret = xenDaemonDomainCreate(dom->conn, def);
+    ret = xenDaemonDomainCreate(dom->conn, def);
 
     if (ret >= 0)
         dom->id = def->id;
@@ -1909,16 +1809,9 @@ xenUnifiedDomainDefineXMLFlags(virConnectPtr conn, const char *xml, unsigned int
     if (virDomainDefineXMLFlagsEnsureACL(conn, def) < 0)
         goto cleanup;
 
-    if (priv->xendConfigVersion < XEND_CONFIG_VERSION_3_0_4) {
-        if (xenXMDomainDefineXML(conn, def) < 0)
-            goto cleanup;
-        ret = virGetDomain(conn, def->name, def->uuid);
-        def = NULL; /* XM driver owns it now */
-    } else {
-        if (xenDaemonDomainDefineXML(conn, def) < 0)
-            goto cleanup;
-        ret = virGetDomain(conn, def->name, def->uuid);
-    }
+    if (xenDaemonDomainDefineXML(conn, def) < 0)
+        goto cleanup;
+    ret = virGetDomain(conn, def->name, def->uuid);
 
     if (ret)
         ret->id = -1;
@@ -1937,7 +1830,6 @@ xenUnifiedDomainDefineXML(virConnectPtr conn, const char *xml)
 static int
 xenUnifiedDomainUndefineFlags(virDomainPtr dom, unsigned int flags)
 {
-    xenUnifiedPrivatePtr priv = dom->conn->privateData;
     virDomainDefPtr def = NULL;
     int ret = -1;
 
@@ -1949,10 +1841,7 @@ xenUnifiedDomainUndefineFlags(virDomainPtr dom, unsigned int flags)
     if (virDomainUndefineFlagsEnsureACL(dom->conn, def) < 0)
         goto cleanup;
 
-    if (priv->xendConfigVersion < XEND_CONFIG_VERSION_3_0_4)
-        ret = xenXMDomainUndefine(dom->conn, def);
-    else
-        ret = xenDaemonDomainUndefine(dom->conn, def);
+    ret = xenDaemonDomainUndefine(dom->conn, def);
 
  cleanup:
     virDomainDefFree(def);
@@ -1968,7 +1857,6 @@ xenUnifiedDomainUndefine(virDomainPtr dom)
 static int
 xenUnifiedDomainAttachDevice(virDomainPtr dom, const char *xml)
 {
-    xenUnifiedPrivatePtr priv = dom->conn->privateData;
     unsigned int flags = VIR_DOMAIN_DEVICE_MODIFY_LIVE;
     virDomainDefPtr def = NULL;
     int ret = -1;
@@ -1978,8 +1866,7 @@ xenUnifiedDomainAttachDevice(virDomainPtr dom, const char *xml)
      * config without touching persistent config, we add the extra flag here
      * to make this API work
      */
-    if (priv->xendConfigVersion >= XEND_CONFIG_VERSION_3_0_4)
-        flags |= VIR_DOMAIN_DEVICE_MODIFY_CONFIG;
+    flags |= VIR_DOMAIN_DEVICE_MODIFY_CONFIG;
 
     if (!(def = xenGetDomainDefForDom(dom)))
         goto cleanup;
@@ -1987,10 +1874,7 @@ xenUnifiedDomainAttachDevice(virDomainPtr dom, const char *xml)
     if (virDomainAttachDeviceEnsureACL(dom->conn, def) < 0)
         goto cleanup;
 
-    if (dom->id < 0 && priv->xendConfigVersion < XEND_CONFIG_VERSION_3_0_4)
-        ret = xenXMDomainAttachDeviceFlags(dom->conn, def, xml, flags);
-    else
-        ret = xenDaemonAttachDeviceFlags(dom->conn, def, xml, flags);
+    ret = xenDaemonAttachDeviceFlags(dom->conn, def, xml, flags);
 
  cleanup:
     virDomainDefFree(def);
@@ -2001,7 +1885,6 @@ static int
 xenUnifiedDomainAttachDeviceFlags(virDomainPtr dom, const char *xml,
                                   unsigned int flags)
 {
-    xenUnifiedPrivatePtr priv = dom->conn->privateData;
     virDomainDefPtr def = NULL;
     int ret = -1;
 
@@ -2011,10 +1894,7 @@ xenUnifiedDomainAttachDeviceFlags(virDomainPtr dom, const char *xml,
     if (virDomainAttachDeviceFlagsEnsureACL(dom->conn, def, flags) < 0)
         goto cleanup;
 
-    if (dom->id < 0 && priv->xendConfigVersion < XEND_CONFIG_VERSION_3_0_4)
-        ret = xenXMDomainAttachDeviceFlags(dom->conn, def, xml, flags);
-    else
-        ret = xenDaemonAttachDeviceFlags(dom->conn, def, xml, flags);
+    ret = xenDaemonAttachDeviceFlags(dom->conn, def, xml, flags);
 
  cleanup:
     virDomainDefFree(def);
@@ -2024,7 +1904,6 @@ xenUnifiedDomainAttachDeviceFlags(virDomainPtr dom, const char *xml,
 static int
 xenUnifiedDomainDetachDevice(virDomainPtr dom, const char *xml)
 {
-    xenUnifiedPrivatePtr priv = dom->conn->privateData;
     unsigned int flags = VIR_DOMAIN_DEVICE_MODIFY_LIVE;
     virDomainDefPtr def = NULL;
     int ret = -1;
@@ -2034,8 +1913,7 @@ xenUnifiedDomainDetachDevice(virDomainPtr dom, const char *xml)
      * config without touching persistent config, we add the extra flag here
      * to make this API work
      */
-    if (priv->xendConfigVersion >= XEND_CONFIG_VERSION_3_0_4)
-        flags |= VIR_DOMAIN_DEVICE_MODIFY_CONFIG;
+    flags |= VIR_DOMAIN_DEVICE_MODIFY_CONFIG;
 
     if (!(def = xenGetDomainDefForDom(dom)))
         goto cleanup;
@@ -2043,10 +1921,7 @@ xenUnifiedDomainDetachDevice(virDomainPtr dom, const char *xml)
     if (virDomainDetachDeviceEnsureACL(dom->conn, def) < 0)
         goto cleanup;
 
-    if (dom->id < 0 && priv->xendConfigVersion < XEND_CONFIG_VERSION_3_0_4)
-        ret = xenXMDomainDetachDeviceFlags(dom->conn, def, xml, flags);
-    else
-        ret = xenDaemonDetachDeviceFlags(dom->conn, def, xml, flags);
+    ret = xenDaemonDetachDeviceFlags(dom->conn, def, xml, flags);
 
  cleanup:
     virDomainDefFree(def);
@@ -2057,7 +1932,6 @@ static int
 xenUnifiedDomainDetachDeviceFlags(virDomainPtr dom, const char *xml,
                                   unsigned int flags)
 {
-    xenUnifiedPrivatePtr priv = dom->conn->privateData;
     virDomainDefPtr def = NULL;
     int ret = -1;
 
@@ -2067,10 +1941,7 @@ xenUnifiedDomainDetachDeviceFlags(virDomainPtr dom, const char *xml,
     if (virDomainDetachDeviceFlagsEnsureACL(dom->conn, def, flags) < 0)
         goto cleanup;
 
-    if (dom->id < 0 && priv->xendConfigVersion < XEND_CONFIG_VERSION_3_0_4)
-        ret = xenXMDomainDetachDeviceFlags(dom->conn, def, xml, flags);
-    else
-        ret = xenDaemonDetachDeviceFlags(dom->conn, def, xml, flags);
+    ret = xenDaemonDetachDeviceFlags(dom->conn, def, xml, flags);
 
  cleanup:
     virDomainDefFree(def);
@@ -2100,7 +1971,6 @@ xenUnifiedDomainUpdateDeviceFlags(virDomainPtr dom, const char *xml,
 static int
 xenUnifiedDomainGetAutostart(virDomainPtr dom, int *autostart)
 {
-    xenUnifiedPrivatePtr priv = dom->conn->privateData;
     virDomainDefPtr def = NULL;
     int ret = -1;
 
@@ -2110,10 +1980,7 @@ xenUnifiedDomainGetAutostart(virDomainPtr dom, int *autostart)
     if (virDomainGetAutostartEnsureACL(dom->conn, def) < 0)
         goto cleanup;
 
-    if (priv->xendConfigVersion < XEND_CONFIG_VERSION_3_0_4)
-        ret = xenXMDomainGetAutostart(def, autostart);
-    else
-        ret = xenDaemonDomainGetAutostart(dom->conn, def, autostart);
+    ret = xenDaemonDomainGetAutostart(dom->conn, def, autostart);
 
  cleanup:
     virDomainDefFree(def);
@@ -2123,7 +1990,6 @@ xenUnifiedDomainGetAutostart(virDomainPtr dom, int *autostart)
 static int
 xenUnifiedDomainSetAutostart(virDomainPtr dom, int autostart)
 {
-    xenUnifiedPrivatePtr priv = dom->conn->privateData;
     virDomainDefPtr def = NULL;
     int ret = -1;
 
@@ -2133,10 +1999,7 @@ xenUnifiedDomainSetAutostart(virDomainPtr dom, int autostart)
     if (virDomainSetAutostartEnsureACL(dom->conn, def) < 0)
         goto cleanup;
 
-    if (priv->xendConfigVersion < XEND_CONFIG_VERSION_3_0_4)
-        ret = xenXMDomainSetAutostart(def, autostart);
-    else
-        ret = xenDaemonDomainSetAutostart(dom->conn, def, autostart);
+    ret = xenDaemonDomainSetAutostart(dom->conn, def, autostart);
 
  cleanup:
     virDomainDefFree(def);
@@ -2146,7 +2009,6 @@ xenUnifiedDomainSetAutostart(virDomainPtr dom, int autostart)
 static char *
 xenUnifiedDomainGetSchedulerType(virDomainPtr dom, int *nparams)
 {
-    xenUnifiedPrivatePtr priv = dom->conn->privateData;
     virDomainDefPtr def = NULL;
     char *ret = NULL;
 
@@ -2156,16 +2018,10 @@ xenUnifiedDomainGetSchedulerType(virDomainPtr dom, int *nparams)
     if (virDomainGetSchedulerTypeEnsureACL(dom->conn, def) < 0)
         goto cleanup;
 
-    if (dom->id < 0) {
-        if (priv->xendConfigVersion < XEND_CONFIG_VERSION_3_0_4) {
-            virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
-                           _("Cannot change scheduler parameters"));
-            goto cleanup;
-        }
+    if (dom->id < 0)
         ret = xenDaemonGetSchedulerType(dom->conn, nparams);
-    } else {
+    else
         ret = xenHypervisorGetSchedulerType(dom->conn, nparams);
-    }
 
  cleanup:
     virDomainDefFree(def);
@@ -2178,7 +2034,6 @@ xenUnifiedDomainGetSchedulerParametersFlags(virDomainPtr dom,
                                             int *nparams,
                                             unsigned int flags)
 {
-    xenUnifiedPrivatePtr priv = dom->conn->privateData;
     virDomainDefPtr def = NULL;
     int ret = -1;
 
@@ -2190,16 +2045,10 @@ xenUnifiedDomainGetSchedulerParametersFlags(virDomainPtr dom,
     if (virDomainGetSchedulerParametersFlagsEnsureACL(dom->conn, def) < 0)
         goto cleanup;
 
-    if (dom->id < 0) {
-        if (priv->xendConfigVersion < XEND_CONFIG_VERSION_3_0_4) {
-            virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
-                           _("Cannot change scheduler parameters"));
-            goto cleanup;
-        }
+    if (dom->id < 0)
         ret = xenDaemonGetSchedulerParameters(dom->conn, def, params, nparams);
-    } else {
+    else
         ret = xenHypervisorGetSchedulerParameters(dom->conn, def, params, nparams);
-    }
 
  cleanup:
     virDomainDefFree(def);
@@ -2221,7 +2070,6 @@ xenUnifiedDomainSetSchedulerParametersFlags(virDomainPtr dom,
                                             int nparams,
                                             unsigned int flags)
 {
-    xenUnifiedPrivatePtr priv = dom->conn->privateData;
     virDomainDefPtr def = NULL;
     int ret = -1;
 
@@ -2233,16 +2081,10 @@ xenUnifiedDomainSetSchedulerParametersFlags(virDomainPtr dom,
     if (virDomainSetSchedulerParametersFlagsEnsureACL(dom->conn, def, flags) < 0)
         goto cleanup;
 
-    if (dom->id < 0) {
-        if (priv->xendConfigVersion < XEND_CONFIG_VERSION_3_0_4) {
-            virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
-                           _("Cannot change scheduler parameters"));
-            goto cleanup;
-        }
+    if (dom->id < 0)
         ret = xenDaemonSetSchedulerParameters(dom->conn, def, params, nparams);
-    } else {
+    else
         ret = xenHypervisorSetSchedulerParameters(dom->conn, def, params, nparams);
-    }
 
  cleanup:
     virDomainDefFree(def);
@@ -2303,7 +2145,6 @@ xenUnifiedDomainBlockPeek(virDomainPtr dom, const char *path,
                           unsigned long long offset, size_t size,
                           void *buffer, unsigned int flags)
 {
-    xenUnifiedPrivatePtr priv = dom->conn->privateData;
     virDomainDefPtr def = NULL;
     int ret = -1;
 
@@ -2315,10 +2156,7 @@ xenUnifiedDomainBlockPeek(virDomainPtr dom, const char *path,
     if (virDomainBlockPeekEnsureACL(dom->conn, def) < 0)
         goto cleanup;
 
-    if (dom->id < 0 && priv->xendConfigVersion < XEND_CONFIG_VERSION_3_0_4)
-        ret = xenXMDomainBlockPeek(dom->conn, def, path, offset, size, buffer);
-    else
-        ret = xenDaemonDomainBlockPeek(dom->conn, def, path, offset, size, buffer);
+    ret = xenDaemonDomainBlockPeek(dom->conn, def, path, offset, size, buffer);
 
  cleanup:
     virDomainDefFree(def);
-- 
2.1.4

--
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