diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in
index d8ad54ac85..5cb5a56381 100644
--- a/docs/formatdomain.html.in
+++ b/docs/formatdomain.html.in
@@ -960,6 +960,30 @@
         domain will be restarted with the same configuration</dd>
     </dl>
 
+    <h3><a name="elementsPowerManagement">Power Management</a></h3>
+
+    <p>
+      <span class="since">Since 0.10.2</span> it is possible to
+      forcibly enable or disable BIOS advertisements to the guest
+      OS. (NB: Only qemu driver support)
+    </p>
+
+<pre>
+  ...
+  &lt;pm&gt;
+    &lt;suspend-to-disk enabled='no'/&gt;
+    &lt;suspend-to-ram enabled='yes'/&gt;
+  &lt;/pm&gt;
+  ...</pre>
+
+    <dl>
+      <dt><code>pm</code></dt>
+      <dd>These elements enable ('yes') or disable ('no') BIOS support
+        for S3 (suspend-to-disk) and S4 (suspend-to-mem) ACPI sleep
+        states. If nothing is specified, then the hypervisor will be
+        left with its default value.</dd>
+    </dl>
+
     <h3><a name="elementsFeatures">Hypervisor features</a></h3>
 
     <p>
diff --git a/docs/schemas/domaincommon.rng b/docs/schemas/domaincommon.rng
index 60cf33e0f9..abd0e8f8be 100644
--- a/docs/schemas/domaincommon.rng
+++ b/docs/schemas/domaincommon.rng
@@ -52,6 +52,9 @@
         <ref name="resources"/>
         <ref name="features"/>
         <ref name="termination"/>
+        <optional>
+          <ref name="pm"/>
+        </optional>
         <optional>
           <ref name="devices"/>
         </optional>
@@ -2271,6 +2274,40 @@
       <value>coredump-restart</value>
     </choice>
   </define>
+  <!--
+      Control ACPI sleep states (dis)allowed for the domain
+      For each of the states the following rules apply:
+      on: the state will be forcefully enabled
+      off: the state will be forcefully disabled
+      not specified: hypervisor will be left to decide its defaults
+  -->
+  <define name="pm">
+    <element name="pm">
+      <interleave>
+        <optional>
+          <element name="suspend-to-mem">
+            <ref name="suspendChoices"/>
+          </element>
+        </optional>
+        <optional>
+          <element name="suspend-to-disk">
+            <ref name="suspendChoices"/>
+          </element>
+        </optional>
+      </interleave>
+      <empty/>
+    </element>
+  </define>
+  <define name="suspendChoices">
+    <optional>
+      <attribute name="enabled">
+        <choice>
+          <value>yes</value>
+          <value>no</value>
+        </choice>
+      </attribute>
+    </optional>
+  </define>
   <!--
       Specific setup for a qemu emulated character device.  Note: this
       definition doesn't fully specify the constraints on this node.
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index faae315c4f..c34a0a8ff6 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -124,6 +124,11 @@ VIR_ENUM_IMPL(virDomainLifecycleCrash, VIR_DOMAIN_LIFECYCLE_CRASH_LAST,
               "coredump-destroy",
               "coredump-restart")
 
+VIR_ENUM_IMPL(virDomainPMState, VIR_DOMAIN_PM_STATE_LAST,
+              "default",
+              "yes",
+              "no")
+
 VIR_ENUM_IMPL(virDomainDevice, VIR_DOMAIN_DEVICE_LAST,
               "none",
               "disk",
@@ -7239,6 +7244,28 @@ static int virDomainLifecycleParseXML(xmlXPathContextPtr ctxt,
     return 0;
 }
 
+static int
+virDomainPMStateParseXML(xmlXPathContextPtr ctxt,
+                         const char *xpath,
+                         int *val)
+{
+    int ret = -1;
+    char *tmp = virXPathString(xpath, ctxt);
+    if (tmp) {
+        *val = virDomainPMStateTypeFromString(tmp);
+        if (*val < 0) {
+            virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
+                           _("unknown PM state value %s"), tmp);
+            goto cleanup;
+        }
+    }
+
+    ret = 0;
+ cleanup:
+    VIR_FREE(tmp);
+    return ret;
+}
+
 virDomainDeviceDefPtr virDomainDeviceDefParse(virCapsPtr caps,
                                               virDomainDefPtr def,
                                               const char *xmlStr,
@@ -8611,6 +8638,16 @@ static virDomainDefPtr virDomainDefParseXML(virCapsPtr caps,
                                    virDomainLifecycleCrashTypeFromString) < 0)
         goto error;
 
+    if (virDomainPMStateParseXML(ctxt,
+                                 "string(./pm/suspend-to-mem/@enabled)",
+                                 &def->pm.s3) < 0)
+        goto error;
+
+    if (virDomainPMStateParseXML(ctxt,
+                                 "string(./pm/suspend-to-disk/@enabled)",
+                                 &def->pm.s4) < 0)
+        goto error;
+
     tmp = virXPathString("string(./clock/@offset)", ctxt);
     if (tmp) {
         if ((def->clock.offset = virDomainClockOffsetTypeFromString(tmp)) < 0) {
@@ -13424,6 +13461,19 @@ virDomainDefFormatInternal(virDomainDefPtr def,
                                     virDomainLifecycleCrashTypeToString) < 0)
         goto cleanup;
 
+    if (def->pm.s3 || def->pm.s4) {
+        virBufferAddLit(buf, "  <pm>\n");
+        if (def->pm.s3) {
+            virBufferAsprintf(buf, "    <suspend-to-mem enabled='%s'/>\n",
+                              virDomainPMStateTypeToString(def->pm.s3));
+        }
+        if (def->pm.s4) {
+            virBufferAsprintf(buf, "    <suspend-to-disk enabled='%s'/>\n",
+                              virDomainPMStateTypeToString(def->pm.s4));
+        }
+        virBufferAddLit(buf, "  </pm>\n");
+    }
+
     virBufferAddLit(buf, "  <devices>\n");
 
     virBufferEscapeString(buf, "    <emulator>%s</emulator>\n",
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index 0073aa9770..f9f486557a 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -1371,6 +1371,14 @@ enum virDomainLifecycleCrashAction {
     VIR_DOMAIN_LIFECYCLE_CRASH_LAST
 };
 
+enum virDomainPMState {
+    VIR_DOMAIN_PM_STATE_DEFAULT = 0,
+    VIR_DOMAIN_PM_STATE_ENABLED,
+    VIR_DOMAIN_PM_STATE_DISABLED,
+
+    VIR_DOMAIN_PM_STATE_LAST,
+};
+
 enum virDomainBIOSUseserial {
     VIR_DOMAIN_BIOS_USESERIAL_DEFAULT = 0,
     VIR_DOMAIN_BIOS_USESERIAL_YES,
@@ -1625,6 +1633,12 @@ struct _virDomainDef {
     int onPoweroff;
     int onCrash;
 
+    struct {
+        /* These options are actually type of enum virDomainPMState */
+        int s3;
+        int s4;
+    } pm;
+
     virDomainOSDef os;
     char *emulator;
     int features;
@@ -2092,6 +2106,7 @@ VIR_ENUM_DECL(virDomainBoot)
 VIR_ENUM_DECL(virDomainFeature)
 VIR_ENUM_DECL(virDomainLifecycle)
 VIR_ENUM_DECL(virDomainLifecycleCrash)
+VIR_ENUM_DECL(virDomainPMState)
 VIR_ENUM_DECL(virDomainDevice)
 VIR_ENUM_DECL(virDomainDeviceAddress)
 VIR_ENUM_DECL(virDomainDisk)
diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index 6f14763e70..65067d6e34 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -453,6 +453,8 @@ virDomainPausedReasonTypeFromString;
 virDomainPausedReasonTypeToString;
 virDomainPciRombarModeTypeFromString;
 virDomainPciRombarModeTypeToString;
+virDomainPMStateTypeFromString;
+virDomainPMStateTypeToString;
 virDomainRedirdevBusTypeFromString;
 virDomainRedirdevBusTypeToString;
 virDomainRemoveInactive;