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[libvirt] [PATCHv2 2/5] conf: Refactor storing and usage of feature flags



To allow a finer control for some future flags, refactor the code to
store them in an array instead of a bitmap.
---

Notes:
    Version 2:
    - extracted unrelated changes to separate patches
    - added error on features that don't support state=off
    - removed spurious comment

 src/conf/domain_conf.c     | 159 ++++++++++++++++++++++++++++++---------------
 src/conf/domain_conf.h     |   2 +-
 src/libxl/libxl_conf.c     |   9 ++-
 src/lxc/lxc_container.c    |   6 +-
 src/qemu/qemu_command.c    |  15 ++---
 src/vbox/vbox_tmpl.c       |  45 +++++++------
 src/xenapi/xenapi_driver.c |  10 +--
 src/xenapi/xenapi_utils.c  |  22 +++----
 src/xenxs/xen_sxpr.c       |  20 +++---
 src/xenxs/xen_xm.c         |  30 ++++-----
 10 files changed, 187 insertions(+), 131 deletions(-)

diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 70fdafc..81e9d2a 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -11380,10 +11380,10 @@ virDomainDefParseXML(xmlDocPtr xml,
                            nodes[i]->name);
             goto error;
         }
-        def->features |= (1 << val);
-        if (val == VIR_DOMAIN_FEATURE_APIC) {
-            tmp = virXPathString("string(./features/apic/@eoi)", ctxt);
-            if (tmp) {
+
+        switch ((enum virDomainFeature) val) {
+        case VIR_DOMAIN_FEATURE_APIC:
+            if ((tmp = virXPathString("string(./features/apic/@eoi)", ctxt))) {
                 int eoi;
                 if ((eoi = virDomainFeatureStateTypeFromString(tmp)) <= 0) {
                     virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
@@ -11394,11 +11394,23 @@ virDomainDefParseXML(xmlDocPtr xml,
                 def->apic_eoi = eoi;
                 VIR_FREE(tmp);
             }
+            /* fallthrough */
+        case VIR_DOMAIN_FEATURE_ACPI:
+        case VIR_DOMAIN_FEATURE_PAE:
+        case VIR_DOMAIN_FEATURE_HAP:
+        case VIR_DOMAIN_FEATURE_VIRIDIAN:
+        case VIR_DOMAIN_FEATURE_PRIVNET:
+        case VIR_DOMAIN_FEATURE_HYPERV:
+            def->features[val] = VIR_DOMAIN_FEATURE_STATE_ON;
+            break;
+
+        case VIR_DOMAIN_FEATURE_LAST:
+            break;
         }
     }
     VIR_FREE(nodes);

-    if (def->features & (1 << VIR_DOMAIN_FEATURE_HYPERV)) {
+    if (def->features[VIR_DOMAIN_FEATURE_HYPERV] == VIR_DOMAIN_FEATURE_STATE_ON) {
         int feature;
         int value;
         node = ctxt->node;
@@ -13370,12 +13382,16 @@ virDomainDefFeaturesCheckABIStability(virDomainDefPtr src,
 {
     size_t i;

-    /* basic check */
-    if (src->features != dst->features) {
-        virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
-                       _("Target domain features %d does not match source %d"),
-                       dst->features, src->features);
-        return false;
+    for (i = 0; i < VIR_DOMAIN_FEATURE_LAST; i++) {
+        if (src->features[i] != dst->features[i]) {
+            virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
+                           _("State of feature '%s' differs: "
+                             "source: '%s', destination: '%s'"),
+                           virDomainFeatureTypeToString(i),
+                           virDomainFeatureStateTypeToString(src->features[i]),
+                           virDomainFeatureStateTypeToString(dst->features[i]));
+            return false;
+        }
     }

     /* APIC EOI */
@@ -13389,7 +13405,7 @@ virDomainDefFeaturesCheckABIStability(virDomainDefPtr src,
     }

     /* hyperv */
-    if (src->features & (1 << VIR_DOMAIN_FEATURE_HYPERV)) {
+    if (src->features[VIR_DOMAIN_FEATURE_HYPERV] == VIR_DOMAIN_FEATURE_STATE_ON) {
         for (i = 0; i < VIR_DOMAIN_HYPERV_LAST; i++) {
             switch ((enum virDomainHyperv) i) {
             case VIR_DOMAIN_HYPERV_RELAXED:
@@ -16712,58 +16728,99 @@ virDomainDefFormatInternal(virDomainDefPtr def,
         virBufferAddLit(buf, "  </idmap>\n");
     }

+    for (i = 0; i < VIR_DOMAIN_FEATURE_LAST; i++) {
+        if (def->features[i] != VIR_DOMAIN_FEATURE_STATE_DEFAULT)
+            break;
+    }

-    if (def->features) {
+    if (i != VIR_DOMAIN_FEATURE_LAST) {
         virBufferAddLit(buf, "  <features>\n");
+
         for (i = 0; i < VIR_DOMAIN_FEATURE_LAST; i++) {
-            if (def->features & (1 << i) && i != VIR_DOMAIN_FEATURE_HYPERV) {
-                const char *name = virDomainFeatureTypeToString(i);
-                if (!name) {
-                    virReportError(VIR_ERR_INTERNAL_ERROR,
-                                   _("unexpected feature %zu"), i);
-                    goto error;
-                }
-                virBufferAsprintf(buf, "    <%s", name);
-                if (i == VIR_DOMAIN_FEATURE_APIC && def->apic_eoi) {
-                    virBufferAsprintf(buf,
-                                      " eoi='%s'",
-                                      virDomainFeatureStateTypeToString(def->apic_eoi));
-                }
-                virBufferAddLit(buf, "/>\n");
+            const char *name = virDomainFeatureTypeToString(i);
+            size_t j;
+
+            if (!name) {
+                virReportError(VIR_ERR_INTERNAL_ERROR,
+                               _("unexpected feature %zu"), i);
+                goto error;
             }
-        }

-        if (def->features & (1 << VIR_DOMAIN_FEATURE_HYPERV)) {
-            virBufferAddLit(buf, "    <hyperv>\n");
-            for (i = 0; i < VIR_DOMAIN_HYPERV_LAST; i++) {
-                switch ((enum virDomainHyperv) i) {
-                case VIR_DOMAIN_HYPERV_RELAXED:
-                case VIR_DOMAIN_HYPERV_VAPIC:
-                    if (def->hyperv_features[i])
-                        virBufferAsprintf(buf, "      <%s state='%s'/>\n",
-                                          virDomainHypervTypeToString(i),
-                                          virDomainFeatureStateTypeToString(
-                                              def->hyperv_features[i]));
+            switch ((enum virDomainFeature) i) {
+            case VIR_DOMAIN_FEATURE_ACPI:
+            case VIR_DOMAIN_FEATURE_PAE:
+            case VIR_DOMAIN_FEATURE_HAP:
+            case VIR_DOMAIN_FEATURE_VIRIDIAN:
+            case VIR_DOMAIN_FEATURE_PRIVNET:
+                switch ((enum virDomainFeatureState) def->features[i]) {
+                case VIR_DOMAIN_FEATURE_STATE_DEFAULT:
                     break;

-                case VIR_DOMAIN_HYPERV_SPINLOCKS:
-                    if (def->hyperv_features[i] == 0)
-                        break;
+                case VIR_DOMAIN_FEATURE_STATE_ON:
+                   virBufferAsprintf(buf, "    <%s/>\n", name);
+                   break;
+
+                case VIR_DOMAIN_FEATURE_STATE_LAST:
+                case VIR_DOMAIN_FEATURE_STATE_OFF:
+                   virReportError(VIR_ERR_INTERNAL_ERROR,
+                                 _("Unexpected state of feature '%s'"), name);
+
+                   goto error;
+                   break;
+                }
+
+                break;

-                    virBufferAsprintf(buf, "      <spinlocks state='%s'",
-                                      virDomainFeatureStateTypeToString(
-                                          def->hyperv_features[i]));
-                    if (def->hyperv_features[i] == VIR_DOMAIN_FEATURE_STATE_ON)
-                        virBufferAsprintf(buf, " retries='%d'",
-                                          def->hyperv_spinlocks);
+            case VIR_DOMAIN_FEATURE_APIC:
+                if (def->features[i] == VIR_DOMAIN_FEATURE_STATE_ON) {
+                    virBufferAddLit(buf, "    <apic");
+                    if (def->apic_eoi) {
+                        virBufferAsprintf(buf, " eoi='%s'",
+                                          virDomainFeatureStateTypeToString(def->apic_eoi));
+                    }
                     virBufferAddLit(buf, "/>\n");
-                    break;
+                }
+                break;

-                case VIR_DOMAIN_HYPERV_LAST:
+            case VIR_DOMAIN_FEATURE_HYPERV:
+                if (def->features[i] != VIR_DOMAIN_FEATURE_STATE_ON)
                     break;
+
+                virBufferAddLit(buf, "    <hyperv>\n");
+                for (j = 0; j < VIR_DOMAIN_HYPERV_LAST; j++) {
+                    switch ((enum virDomainHyperv) j) {
+                    case VIR_DOMAIN_HYPERV_RELAXED:
+                    case VIR_DOMAIN_HYPERV_VAPIC:
+                        if (def->hyperv_features[j])
+                            virBufferAsprintf(buf, "      <%s state='%s'/>\n",
+                                              virDomainHypervTypeToString(j),
+                                              virDomainFeatureStateTypeToString(
+                                                  def->hyperv_features[j]));
+                        break;
+
+                    case VIR_DOMAIN_HYPERV_SPINLOCKS:
+                        if (def->hyperv_features[j] == 0)
+                            break;
+
+                        virBufferAsprintf(buf, "      <spinlocks state='%s'",
+                                          virDomainFeatureStateTypeToString(
+                                              def->hyperv_features[j]));
+                        if (def->hyperv_features[j] == VIR_DOMAIN_FEATURE_STATE_ON)
+                            virBufferAsprintf(buf, " retries='%d'",
+                                              def->hyperv_spinlocks);
+                        virBufferAddLit(buf, "/>\n");
+                        break;
+
+                    case VIR_DOMAIN_HYPERV_LAST:
+                        break;
+                    }
                 }
+                virBufferAddLit(buf, "    </hyperv>\n");
+                break;
+
+            case VIR_DOMAIN_FEATURE_LAST:
+                break;
             }
-            virBufferAddLit(buf, "    </hyperv>\n");
         }

         virBufferAddLit(buf, "  </features>\n");
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index f20a916..bab0b2c 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -1988,7 +1988,7 @@ struct _virDomainDef {

     virDomainOSDef os;
     char *emulator;
-    int features;
+    int features[VIR_DOMAIN_FEATURE_LAST];
     /* enum virDomainFeatureState */
     int apic_eoi;
     /* These options are of type virDomainFeatureState */
diff --git a/src/libxl/libxl_conf.c b/src/libxl/libxl_conf.c
index d4226b8..79cf2b6 100644
--- a/src/libxl/libxl_conf.c
+++ b/src/libxl/libxl_conf.c
@@ -603,11 +603,14 @@ libxlMakeDomBuildInfo(virDomainObjPtr vm, libxl_domain_config *d_config)
         char bootorder[VIR_DOMAIN_BOOT_LAST + 1];

         libxl_defbool_set(&b_info->u.hvm.pae,
-                          def->features & (1 << VIR_DOMAIN_FEATURE_PAE));
+                          def->features[VIR_DOMAIN_FEATURE_PAE] ==
+                          VIR_DOMAIN_FEATURE_STATE_ON);
         libxl_defbool_set(&b_info->u.hvm.apic,
-                          def->features & (1 << VIR_DOMAIN_FEATURE_APIC));
+                          def->features[VIR_DOMAIN_FEATURE_APIC] ==
+                          VIR_DOMAIN_FEATURE_STATE_ON);
         libxl_defbool_set(&b_info->u.hvm.acpi,
-                          def->features & (1 << VIR_DOMAIN_FEATURE_ACPI));
+                          def->features[VIR_DOMAIN_FEATURE_ACPI] ==
+                          VIR_DOMAIN_FEATURE_STATE_ON);
         for (i = 0; i < def->clock.ntimers; i++) {
             if (def->clock.timers[i]->name == VIR_DOMAIN_TIMER_NAME_HPET &&
                 def->clock.timers[i]->present == 1) {
diff --git a/src/lxc/lxc_container.c b/src/lxc/lxc_container.c
index c60f5d8..2479310 100644
--- a/src/lxc/lxc_container.c
+++ b/src/lxc/lxc_container.c
@@ -1865,8 +1865,8 @@ static int lxcContainerChild(void *data)
     }

     /* rename and enable interfaces */
-    if (lxcContainerRenameAndEnableInterfaces(!!(vmDef->features &
-                                                 (1 << VIR_DOMAIN_FEATURE_PRIVNET)),
+    if (lxcContainerRenameAndEnableInterfaces(vmDef->features[VIR_DOMAIN_FEATURE_PRIVNET] ==
+                                              VIR_DOMAIN_FEATURE_STATE_ON,
                                               argv->nveths,
                                               argv->veths) < 0) {
         goto cleanup;
@@ -1947,7 +1947,7 @@ lxcNeedNetworkNamespace(virDomainDefPtr def)
     size_t i;
     if (def->nets != NULL)
         return true;
-    if (def->features & (1 << VIR_DOMAIN_FEATURE_PRIVNET))
+    if (def->features[VIR_DOMAIN_FEATURE_PRIVNET] == VIR_DOMAIN_FEATURE_STATE_ON)
         return true;
     for (i = 0; i < def->nhostdevs; i++) {
         if (def->hostdevs[i]->mode == VIR_DOMAIN_HOSTDEV_MODE_CAPABILITIES &&
diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index ba102f4..2cf69d9 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -6701,7 +6701,7 @@ qemuBuildCpuArgStr(const virQEMUDriverPtr driver,
         have_cpu = true;
     }

-    if (def->features & (1 << VIR_DOMAIN_FEATURE_HYPERV)) {
+    if (def->features[VIR_DOMAIN_FEATURE_HYPERV] == VIR_DOMAIN_FEATURE_STATE_ON) {
         if (!have_cpu) {
             virBufferAdd(&buf, default_model, -1);
             have_cpu = true;
@@ -8036,7 +8036,7 @@ qemuBuildCommandLine(virConnectPtr conn,
     }

     if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_NO_ACPI)) {
-        if (!(def->features & (1 << VIR_DOMAIN_FEATURE_ACPI)))
+        if (def->features[VIR_DOMAIN_FEATURE_ACPI] != VIR_DOMAIN_FEATURE_STATE_ON)
             virCommandAddArg(cmd, "-no-acpi");
     }

@@ -10837,7 +10837,7 @@ qemuParseCommandLineCPU(virDomainDefPtr dom,
             if (*feature == '\0')
                 goto syntax;

-            dom->features |= (1 << VIR_DOMAIN_FEATURE_HYPERV);
+            dom->features[VIR_DOMAIN_FEATURE_HYPERV] = VIR_DOMAIN_FEATURE_STATE_ON;

             if ((f = virDomainHypervTypeFromString(feature)) < 0) {
                 virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
@@ -11091,7 +11091,7 @@ qemuParseCommandLine(virCapsPtr qemuCaps,
             goto error;
         if (strstr(path, "kvm")) {
             def->virtType = VIR_DOMAIN_VIRT_KVM;
-            def->features |= (1 << VIR_DOMAIN_FEATURE_PAE);
+            def->features[VIR_DOMAIN_FEATURE_PAE] = VIR_DOMAIN_FEATURE_STATE_ON;
         }
     }

@@ -11104,8 +11104,7 @@ qemuParseCommandLine(virCapsPtr qemuCaps,

     if ((def->os.arch == VIR_ARCH_I686) ||
         (def->os.arch == VIR_ARCH_X86_64))
-        def->features |= (1 << VIR_DOMAIN_FEATURE_ACPI)
-        /*| (1 << VIR_DOMAIN_FEATURE_APIC)*/;
+        def->features[VIR_DOMAIN_FEATURE_ACPI] = VIR_DOMAIN_FEATURE_STATE_ON;

 #define WANT_VALUE()                                                   \
     const char *val = progargv[++i];                                   \
@@ -11399,7 +11398,7 @@ qemuParseCommandLine(virCapsPtr qemuCaps,
             def->disks[def->ndisks++] = disk;
             disk = NULL;
         } else if (STREQ(arg, "-no-acpi")) {
-            def->features &= ~(1 << VIR_DOMAIN_FEATURE_ACPI);
+            def->features[VIR_DOMAIN_FEATURE_ACPI] = VIR_DOMAIN_FEATURE_STATE_DEFAULT;
         } else if (STREQ(arg, "-no-reboot")) {
             def->onReboot = VIR_DOMAIN_LIFECYCLE_DESTROY;
         } else if (STREQ(arg, "-no-kvm")) {
@@ -11518,7 +11517,7 @@ qemuParseCommandLine(virCapsPtr qemuCaps,
                     def->mem.nosharepages = true;
                 } else if (STRPREFIX(param, "accel=kvm")) {
                     def->virtType = VIR_DOMAIN_VIRT_KVM;
-                    def->features |= (1 << VIR_DOMAIN_FEATURE_PAE);
+                    def->features[VIR_DOMAIN_FEATURE_PAE] = VIR_DOMAIN_FEATURE_STATE_ON;
                 }
             }
             virStringFreeList(list);
diff --git a/src/vbox/vbox_tmpl.c b/src/vbox/vbox_tmpl.c
index 5e5ea85..99e1446 100644
--- a/src/vbox/vbox_tmpl.c
+++ b/src/vbox/vbox_tmpl.c
@@ -2363,7 +2363,6 @@ static char *vboxDomainGetXMLDesc(virDomainPtr dom, unsigned int flags) {
                 }
             }

-            def->features = 0;
 #if VBOX_API_VERSION < 3001
             machine->vtbl->GetPAEEnabled(machine, &PAEEnabled);
 #elif VBOX_API_VERSION == 3001
@@ -2371,21 +2370,18 @@ static char *vboxDomainGetXMLDesc(virDomainPtr dom, unsigned int flags) {
 #elif VBOX_API_VERSION >= 3002
             machine->vtbl->GetCPUProperty(machine, CPUPropertyType_PAE, &PAEEnabled);
 #endif
-            if (PAEEnabled) {
-                def->features = def->features | (1 << VIR_DOMAIN_FEATURE_PAE);
-            }
+            if (PAEEnabled)
+                def->features[VIR_DOMAIN_FEATURE_PAE] = VIR_DOMAIN_FEATURE_STATE_ON;

             machine->vtbl->GetBIOSSettings(machine, &bios);
             if (bios) {
                 bios->vtbl->GetACPIEnabled(bios, &ACPIEnabled);
-                if (ACPIEnabled) {
-                    def->features = def->features | (1 << VIR_DOMAIN_FEATURE_ACPI);
-                }
+                if (ACPIEnabled)
+                    def->features[VIR_DOMAIN_FEATURE_ACPI] = VIR_DOMAIN_FEATURE_STATE_ON;

                 bios->vtbl->GetIOAPICEnabled(bios, &IOAPICEnabled);
-                if (IOAPICEnabled) {
-                    def->features = def->features | (1 << VIR_DOMAIN_FEATURE_APIC);
-                }
+                if (IOAPICEnabled)
+                    def->features[VIR_DOMAIN_FEATURE_APIC] = VIR_DOMAIN_FEATURE_STATE_ON;

                 VBOX_RELEASE(bios);
             }
@@ -5101,40 +5097,43 @@ static virDomainPtr vboxDomainDefineXML(virConnectPtr conn, const char *xml) {
     }

 #if VBOX_API_VERSION < 3001
-    rc = machine->vtbl->SetPAEEnabled(machine, (def->features) &
-                                      (1 << VIR_DOMAIN_FEATURE_PAE));
+    rc = machine->vtbl->SetPAEEnabled(machine,
+                                      def->features[VIR_DOMAIN_FEATURE_PAE] ==
+                                      VIR_DOMAIN_FEATURE_STATE_ON);
 #elif VBOX_API_VERSION == 3001
     rc = machine->vtbl->SetCpuProperty(machine, CpuPropertyType_PAE,
-                                       (def->features) &
-                                       (1 << VIR_DOMAIN_FEATURE_PAE));
+                                       def->features[VIR_DOMAIN_FEATURE_PAE] ==
+                                       VIR_DOMAIN_FEATURE_STATE_ON);
 #elif VBOX_API_VERSION >= 3002
     rc = machine->vtbl->SetCPUProperty(machine, CPUPropertyType_PAE,
-                                       (def->features) &
-                                       (1 << VIR_DOMAIN_FEATURE_PAE));
+                                       def->features[VIR_DOMAIN_FEATURE_PAE] ==
+                                       VIR_DOMAIN_FEATURE_STATE_ON);
 #endif
     if (NS_FAILED(rc)) {
         virReportError(VIR_ERR_INTERNAL_ERROR,
                        _("could not change PAE status to: %s, rc=%08x"),
-                       ((def->features) & (1 << VIR_DOMAIN_FEATURE_PAE))
+                       (def->features[VIR_DOMAIN_FEATURE_PAE] == VIR_DOMAIN_FEATURE_STATE_ON)
                        ? _("Enabled") : _("Disabled"), (unsigned)rc);
     }

     machine->vtbl->GetBIOSSettings(machine, &bios);
     if (bios) {
-        rc = bios->vtbl->SetACPIEnabled(bios, (def->features) &
-                                        (1 << VIR_DOMAIN_FEATURE_ACPI));
+        rc = bios->vtbl->SetACPIEnabled(bios,
+                                        def->features[VIR_DOMAIN_FEATURE_ACPI] ==
+                                        VIR_DOMAIN_FEATURE_STATE_ON);
         if (NS_FAILED(rc)) {
             virReportError(VIR_ERR_INTERNAL_ERROR,
                            _("could not change ACPI status to: %s, rc=%08x"),
-                           ((def->features) & (1 << VIR_DOMAIN_FEATURE_ACPI))
+                           (def->features[VIR_DOMAIN_FEATURE_ACPI] == VIR_DOMAIN_FEATURE_STATE_ON)
                            ? _("Enabled") : _("Disabled"), (unsigned)rc);
         }
-        rc = bios->vtbl->SetIOAPICEnabled(bios, (def->features) &
-                                          (1 << VIR_DOMAIN_FEATURE_APIC));
+        rc = bios->vtbl->SetIOAPICEnabled(bios,
+                                          def->features[VIR_DOMAIN_FEATURE_APIC] ==
+                                          VIR_DOMAIN_FEATURE_STATE_ON);
         if (NS_FAILED(rc)) {
             virReportError(VIR_ERR_INTERNAL_ERROR,
                            _("could not change APIC status to: %s, rc=%08x"),
-                           ((def->features) & (1 << VIR_DOMAIN_FEATURE_APIC))
+                           (def->features[VIR_DOMAIN_FEATURE_APIC] == VIR_DOMAIN_FEATURE_STATE_ON)
                            ? _("Enabled") : _("Disabled"), (unsigned)rc);
         }
         VBOX_RELEASE(bios);
diff --git a/src/xenapi/xenapi_driver.c b/src/xenapi/xenapi_driver.c
index bca19af..5f8ca08 100644
--- a/src/xenapi/xenapi_driver.c
+++ b/src/xenapi/xenapi_driver.c
@@ -1474,15 +1474,15 @@ xenapiDomainGetXMLDesc(virDomainPtr dom, unsigned int flags)
         for (i = 0; i < result->size; i++) {
             if (STREQ(result->contents[i].val, "true")) {
                 if (STREQ(result->contents[i].key, "acpi"))
-                    defPtr->features = defPtr->features | (1<<VIR_DOMAIN_FEATURE_ACPI);
+                    defPtr->features[VIR_DOMAIN_FEATURE_ACPI] = VIR_DOMAIN_FEATURE_STATE_ON;
                 else if (STREQ(result->contents[i].key, "apic"))
-                    defPtr->features = defPtr->features | (1<<VIR_DOMAIN_FEATURE_APIC);
+                    defPtr->features[VIR_DOMAIN_FEATURE_APIC] = VIR_DOMAIN_FEATURE_STATE_ON;
                 else if (STREQ(result->contents[i].key, "pae"))
-                    defPtr->features = defPtr->features | (1<<VIR_DOMAIN_FEATURE_PAE);
+                    defPtr->features[VIR_DOMAIN_FEATURE_PAE] = VIR_DOMAIN_FEATURE_STATE_ON;
                 else if (STREQ(result->contents[i].key, "hap"))
-                    defPtr->features = defPtr->features | (1<<VIR_DOMAIN_FEATURE_HAP);
+                    defPtr->features[VIR_DOMAIN_FEATURE_HAP] = VIR_DOMAIN_FEATURE_STATE_ON;
                 else if (STREQ(result->contents[i].key, "viridian"))
-                    defPtr->features = defPtr->features | (1<<VIR_DOMAIN_FEATURE_VIRIDIAN);
+                    defPtr->features[VIR_DOMAIN_FEATURE_VIRIDIAN] = VIR_DOMAIN_FEATURE_STATE_ON;
             }
         }
         xen_string_string_map_free(result);
diff --git a/src/xenapi/xenapi_utils.c b/src/xenapi/xenapi_utils.c
index 91ae54b..02d4885 100644
--- a/src/xenapi/xenapi_utils.c
+++ b/src/xenapi/xenapi_utils.c
@@ -511,18 +511,16 @@ createVMRecordFromXml(virConnectPtr conn, virDomainDefPtr def,
     if (def->onCrash)
         (*record)->actions_after_crash = actionCrashLibvirt2XenapiEnum(def->onCrash);

-    if (def->features) {
-        if (def->features & (1 << VIR_DOMAIN_FEATURE_ACPI))
-            allocStringMap(&strings, (char *)"acpi", (char *)"true");
-        if (def->features & (1 << VIR_DOMAIN_FEATURE_APIC))
-            allocStringMap(&strings, (char *)"apic", (char *)"true");
-        if (def->features & (1 << VIR_DOMAIN_FEATURE_PAE))
-            allocStringMap(&strings, (char *)"pae", (char *)"true");
-        if (def->features & (1 << VIR_DOMAIN_FEATURE_HAP))
-            allocStringMap(&strings, (char *)"hap", (char *)"true");
-        if (def->features & (1 << VIR_DOMAIN_FEATURE_VIRIDIAN))
-            allocStringMap(&strings, (char *)"viridian", (char *)"true");
-    }
+    if (def->features[VIR_DOMAIN_FEATURE_ACPI] == VIR_DOMAIN_FEATURE_STATE_ON)
+        allocStringMap(&strings, (char *)"acpi", (char *)"true");
+    if (def->features[VIR_DOMAIN_FEATURE_APIC] == VIR_DOMAIN_FEATURE_STATE_ON)
+        allocStringMap(&strings, (char *)"apic", (char *)"true");
+    if (def->features[VIR_DOMAIN_FEATURE_PAE] == VIR_DOMAIN_FEATURE_STATE_ON)
+        allocStringMap(&strings, (char *)"pae", (char *)"true");
+    if (def->features[VIR_DOMAIN_FEATURE_HAP] == VIR_DOMAIN_FEATURE_STATE_ON)
+        allocStringMap(&strings, (char *)"hap", (char *)"true");
+    if (def->features[VIR_DOMAIN_FEATURE_VIRIDIAN] == VIR_DOMAIN_FEATURE_STATE_ON)
+        allocStringMap(&strings, (char *)"viridian", (char *)"true");
     if (strings != NULL)
         (*record)->platform = strings;

diff --git a/src/xenxs/xen_sxpr.c b/src/xenxs/xen_sxpr.c
index 3cbe958..d23a3ca 100644
--- a/src/xenxs/xen_sxpr.c
+++ b/src/xenxs/xen_sxpr.c
@@ -1202,15 +1202,15 @@ xenParseSxpr(const struct sexpr *root,

     if (hvm) {
         if (sexpr_int(root, "domain/image/hvm/acpi"))
-            def->features |= (1 << VIR_DOMAIN_FEATURE_ACPI);
+            def->features[VIR_DOMAIN_FEATURE_ACPI] = VIR_DOMAIN_FEATURE_STATE_ON;
         if (sexpr_int(root, "domain/image/hvm/apic"))
-            def->features |= (1 << VIR_DOMAIN_FEATURE_APIC);
+            def->features[VIR_DOMAIN_FEATURE_APIC] = VIR_DOMAIN_FEATURE_STATE_ON;
         if (sexpr_int(root, "domain/image/hvm/pae"))
-            def->features |= (1 << VIR_DOMAIN_FEATURE_PAE);
+            def->features[VIR_DOMAIN_FEATURE_PAE] = VIR_DOMAIN_FEATURE_STATE_ON;
         if (sexpr_int(root, "domain/image/hvm/hap"))
-            def->features |= (1 << VIR_DOMAIN_FEATURE_HAP);
+            def->features[VIR_DOMAIN_FEATURE_HAP] = VIR_DOMAIN_FEATURE_STATE_ON;
         if (sexpr_int(root, "domain/image/hvm/viridian"))
-            def->features |= (1 << VIR_DOMAIN_FEATURE_VIRIDIAN);
+            def->features[VIR_DOMAIN_FEATURE_VIRIDIAN] = VIR_DOMAIN_FEATURE_STATE_ON;
     }

     /* 12aaf4a2486b (3.0.3) added a second low-priority 'localtime' setting */
@@ -2333,15 +2333,15 @@ xenFormatSxpr(virConnectPtr conn,
                 }
             }

-            if (def->features & (1 << VIR_DOMAIN_FEATURE_ACPI))
+            if (def->features[VIR_DOMAIN_FEATURE_ACPI] == VIR_DOMAIN_FEATURE_STATE_ON)
                 virBufferAddLit(&buf, "(acpi 1)");
-            if (def->features & (1 << VIR_DOMAIN_FEATURE_APIC))
+            if (def->features[VIR_DOMAIN_FEATURE_APIC] == VIR_DOMAIN_FEATURE_STATE_ON)
                 virBufferAddLit(&buf, "(apic 1)");
-            if (def->features & (1 << VIR_DOMAIN_FEATURE_PAE))
+            if (def->features[VIR_DOMAIN_FEATURE_PAE] == VIR_DOMAIN_FEATURE_STATE_ON)
                 virBufferAddLit(&buf, "(pae 1)");
-            if (def->features & (1 << VIR_DOMAIN_FEATURE_HAP))
+            if (def->features[VIR_DOMAIN_FEATURE_HAP] == VIR_DOMAIN_FEATURE_STATE_ON)
                 virBufferAddLit(&buf, "(hap 1)");
-            if (def->features & (1 << VIR_DOMAIN_FEATURE_VIRIDIAN))
+            if (def->features[VIR_DOMAIN_FEATURE_VIRIDIAN] == VIR_DOMAIN_FEATURE_STATE_ON)
                 virBufferAddLit(&buf, "(viridian 1)");

             virBufferAddLit(&buf, "(usb 1)");
diff --git a/src/xenxs/xen_xm.c b/src/xenxs/xen_xm.c
index 9e07f95..88374f4 100644
--- a/src/xenxs/xen_xm.c
+++ b/src/xenxs/xen_xm.c
@@ -398,23 +398,23 @@ xenParseXM(virConfPtr conf, int xendConfigVersion,
         if (xenXMConfigGetBool(conf, "pae", &val, 0) < 0)
             goto cleanup;
         else if (val)
-            def->features |= (1 << VIR_DOMAIN_FEATURE_PAE);
+            def->features[VIR_DOMAIN_FEATURE_PAE] = VIR_DOMAIN_FEATURE_STATE_ON;
         if (xenXMConfigGetBool(conf, "acpi", &val, 0) < 0)
             goto cleanup;
         else if (val)
-            def->features |= (1 << VIR_DOMAIN_FEATURE_ACPI);
+            def->features[VIR_DOMAIN_FEATURE_ACPI] = VIR_DOMAIN_FEATURE_STATE_ON;
         if (xenXMConfigGetBool(conf, "apic", &val, 0) < 0)
             goto cleanup;
         else if (val)
-            def->features |= (1 << VIR_DOMAIN_FEATURE_APIC);
+            def->features[VIR_DOMAIN_FEATURE_APIC] = VIR_DOMAIN_FEATURE_STATE_ON;
         if (xenXMConfigGetBool(conf, "hap", &val, 0) < 0)
             goto cleanup;
         else if (val)
-            def->features |= (1 << VIR_DOMAIN_FEATURE_HAP);
+            def->features[VIR_DOMAIN_FEATURE_HAP] = VIR_DOMAIN_FEATURE_STATE_ON;
         if (xenXMConfigGetBool(conf, "viridian", &val, 0) < 0)
             goto cleanup;
         else if (val)
-            def->features |= (1 << VIR_DOMAIN_FEATURE_VIRIDIAN);
+            def->features[VIR_DOMAIN_FEATURE_VIRIDIAN] = VIR_DOMAIN_FEATURE_STATE_ON;

         if (xenXMConfigGetBool(conf, "hpet", &val, -1) < 0)
             goto cleanup;
@@ -1571,29 +1571,29 @@ virConfPtr xenFormatXM(virConnectPtr conn,
             goto cleanup;

         if (xenXMConfigSetInt(conf, "pae",
-                              (def->features &
-                               (1 << VIR_DOMAIN_FEATURE_PAE)) ? 1 : 0) < 0)
+                              (def->features[VIR_DOMAIN_FEATURE_PAE] ==
+                               VIR_DOMAIN_FEATURE_STATE_ON) ? 1 : 0) < 0)
             goto cleanup;

         if (xenXMConfigSetInt(conf, "acpi",
-                              (def->features &
-                               (1 << VIR_DOMAIN_FEATURE_ACPI)) ? 1 : 0) < 0)
+                              (def->features[VIR_DOMAIN_FEATURE_ACPI] ==
+                               VIR_DOMAIN_FEATURE_STATE_ON) ? 1 : 0) < 0)
             goto cleanup;

         if (xenXMConfigSetInt(conf, "apic",
-                              (def->features &
-                               (1 << VIR_DOMAIN_FEATURE_APIC)) ? 1 : 0) < 0)
+                              (def->features[VIR_DOMAIN_FEATURE_APIC] ==
+                               VIR_DOMAIN_FEATURE_STATE_ON) ? 1 : 0) < 0)
             goto cleanup;

         if (xendConfigVersion >= XEND_CONFIG_VERSION_3_0_4) {
             if (xenXMConfigSetInt(conf, "hap",
-                                  (def->features &
-                                   (1 << VIR_DOMAIN_FEATURE_HAP)) ? 1 : 0) < 0)
+                                  (def->features[VIR_DOMAIN_FEATURE_HAP] ==
+                                   VIR_DOMAIN_FEATURE_STATE_ON) ? 1 : 0) < 0)
                 goto cleanup;

             if (xenXMConfigSetInt(conf, "viridian",
-                                  (def->features &
-                                   (1 << VIR_DOMAIN_FEATURE_VIRIDIAN)) ? 1 : 0) < 0)
+                                  (def->features[VIR_DOMAIN_FEATURE_VIRIDIAN] ==
+                                   VIR_DOMAIN_FEATURE_STATE_ON) ? 1 : 0) < 0)
                 goto cleanup;
         }

-- 
1.8.3.2


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