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From bc76fb17caf756582784cf9a0fbae2a0956ec3c5 Mon Sep 17 00:00:00 2001
Message-Id: <bc76fb17caf756582784cf9a0fbae2a0956ec3c5.1380703761.git.jdenemar@redhat.com>
From: Laine Stump <laine@laine.org>
Date: Fri, 27 Sep 2013 05:19:43 -0600
Subject: [PATCH] qemu: support ich9-intel-hda audio device

This resolves one of the issues in:

   https://bugzilla.redhat.com/show_bug.cgi?id=1003983

This device is identical to qemu's "intel-hda" device (known as "ich6"
in libvirt), but has a different PCI device ID (which matches the ID
of the hda audio built into the ich9 chipset, of course). It's not
supported in earlier versions of qemu, so it requires a capability
bit.

(cherry picked from commit b83d26f6c434f80c71a2a7a0823b1ec16b798ca3)

Conflicts:
	src/qemu/qemu_capabilities.c
	src/qemu/qemu_capabilities.h

        There were a few other capabilities added upstream that
        haven't yet been added to the RHEL7 branch; these caused a
        mismatch in the capabilities enum.

Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
---
 docs/schemas/domaincommon.rng                         |  1 +
 src/conf/domain_conf.c                                |  6 ++++--
 src/conf/domain_conf.h                                |  1 +
 src/qemu/qemu_capabilities.c                          |  2 ++
 src/qemu/qemu_capabilities.h                          |  1 +
 src/qemu/qemu_command.c                               | 16 ++++++++++++++--
 tests/qemuxml2argvdata/qemuxml2argv-sound-device.args |  7 ++++++-
 tests/qemuxml2argvdata/qemuxml2argv-sound-device.xml  |  5 +++++
 tests/qemuxml2argvtest.c                              |  3 ++-
 9 files changed, 36 insertions(+), 6 deletions(-)

diff --git a/docs/schemas/domaincommon.rng b/docs/schemas/domaincommon.rng
index dfcd61c..838f657 100644
--- a/docs/schemas/domaincommon.rng
+++ b/docs/schemas/domaincommon.rng
@@ -2896,6 +2896,7 @@
           <value>pcspk</value>
           <value>ac97</value>
           <value>ich6</value>
+          <value>ich9</value>
         </choice>
       </attribute>
       <interleave>
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index c391eae..bca2151 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -455,7 +455,8 @@ VIR_ENUM_IMPL(virDomainSoundModel, VIR_DOMAIN_SOUND_MODEL_LAST,
               "es1370",
               "pcspk",
               "ac97",
-              "ich6")
+              "ich6",
+              "ich9")
 
 VIR_ENUM_IMPL(virDomainMemDump, VIR_DOMAIN_MEM_DUMP_LAST,
               "default",
@@ -8397,7 +8398,8 @@ virDomainSoundDefParseXML(const xmlNodePtr node,
         goto error;
     }
 
-    if (def->model == VIR_DOMAIN_SOUND_MODEL_ICH6) {
+    if (def->model == VIR_DOMAIN_SOUND_MODEL_ICH6 ||
+        def->model == VIR_DOMAIN_SOUND_MODEL_ICH9) {
         int ncodecs;
         xmlNodePtr *codecNodes = NULL;
 
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index b9e9600..5d2cb83 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -1237,6 +1237,7 @@ enum virDomainSoundModel {
     VIR_DOMAIN_SOUND_MODEL_PCSPK,
     VIR_DOMAIN_SOUND_MODEL_AC97,
     VIR_DOMAIN_SOUND_MODEL_ICH6,
+    VIR_DOMAIN_SOUND_MODEL_ICH9,
 
     VIR_DOMAIN_SOUND_MODEL_LAST
 };
diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index 47cc07a..9b1d9f5 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -235,6 +235,7 @@ VIR_ENUM_IMPL(virQEMUCaps, QEMU_CAPS_LAST,
               "vnc-share-policy", /* 150 */
               "device-del-event",
               "dmi-to-pci-bridge",
+              "ich9-intel-hda",
     );
 
 struct _virQEMUCaps {
@@ -1383,6 +1384,7 @@ struct virQEMUCapsStringFlags virQEMUCapsObjectTypes[] = {
     { "vfio-pci", QEMU_CAPS_DEVICE_VFIO_PCI },
     { "scsi-generic", QEMU_CAPS_DEVICE_SCSI_GENERIC },
     { "i82801b11-bridge", QEMU_CAPS_DEVICE_DMI_TO_PCI_BRIDGE },
+    { "ich9-intel-hda", QEMU_CAPS_DEVICE_ICH9_INTEL_HDA },
 };
 
 static struct virQEMUCapsStringFlags virQEMUCapsObjectPropsVirtioBlk[] = {
diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
index 074e55d..c992dcb 100644
--- a/src/qemu/qemu_capabilities.h
+++ b/src/qemu/qemu_capabilities.h
@@ -191,6 +191,7 @@ enum virQEMUCapsFlags {
     QEMU_CAPS_VNC_SHARE_POLICY   = 150, /* set display sharing policy */
     QEMU_CAPS_DEVICE_DEL_EVENT   = 151, /* DEVICE_DELETED event */
     QEMU_CAPS_DEVICE_DMI_TO_PCI_BRIDGE  = 152, /* -device i82801b11-bridge */
+    QEMU_CAPS_DEVICE_ICH9_INTEL_HDA = 153, /* -device ich9-intel-hda */
 
     QEMU_CAPS_LAST,                   /* this must always be the last item */
 };
diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 8b03470..2de7678 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -1758,6 +1758,7 @@ qemuCollectPCIAddress(virDomainDefPtr def ATTRIBUTE_UNUSED,
     case VIR_DOMAIN_DEVICE_SOUND:
         switch (device->data.sound->model) {
         case VIR_DOMAIN_SOUND_MODEL_ICH6:
+        case VIR_DOMAIN_SOUND_MODEL_ICH9:
             flags = (QEMU_PCI_CONNECT_TYPE_PCI |
                      QEMU_PCI_CONNECT_TYPE_EITHER_IF_CONFIG);
             break;
@@ -5142,6 +5143,15 @@ qemuBuildSoundDevStr(virDomainDefPtr def,
     case VIR_DOMAIN_SOUND_MODEL_ICH6:
         model = "intel-hda";
         break;
+    case VIR_DOMAIN_SOUND_MODEL_ICH9:
+        model = "ich9-intel-hda";
+        if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_ICH9_INTEL_HDA)) {
+            virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+                           _("The ich9-intel-hda audio controller "
+                             "is not supported in this QEMU binary"));
+            goto error;
+        }
+        break;
     }
 
     virBufferAsprintf(&buf, "%s,id=%s", model, sound->info.alias);
@@ -8866,7 +8876,8 @@ qemuBuildCommandLine(virConnectPtr conn,
 
                     virCommandAddArg(cmd, str);
 
-                    if (sound->model == VIR_DOMAIN_SOUND_MODEL_ICH6) {
+                    if (sound->model == VIR_DOMAIN_SOUND_MODEL_ICH6 ||
+                        sound->model == VIR_DOMAIN_SOUND_MODEL_ICH9) {
                         char *codecstr = NULL;
 
                         for (j = 0; j < sound->ncodecs; j++) {
@@ -8912,7 +8923,8 @@ qemuBuildCommandLine(virConnectPtr conn,
                     goto error;
                 }
 
-                if (sound->model == VIR_DOMAIN_SOUND_MODEL_ICH6) {
+                if (sound->model == VIR_DOMAIN_SOUND_MODEL_ICH6 ||
+                    sound->model == VIR_DOMAIN_SOUND_MODEL_ICH9) {
                     VIR_FREE(modstr);
                     virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
                                    _("this QEMU binary lacks hda support"));
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-sound-device.args b/tests/qemuxml2argvdata/qemuxml2argv-sound-device.args
index 7c5f05c..997e458 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-sound-device.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-sound-device.args
@@ -8,4 +8,9 @@ id=sound4-codec0,bus=sound4.0,cad=0 \
 -device intel-hda,id=sound5,bus=pci.0,addr=0x6 \
 -device hda-micro,id=sound5-codec0,bus=sound5.0,cad=0 \
 -device hda-duplex,id=sound5-codec1,bus=sound5.0,cad=1 \
--device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x7
+-device ich9-intel-hda,id=sound6,bus=pci.0,addr=0x7 -device hda-duplex,\
+id=sound6-codec0,bus=sound6.0,cad=0 \
+-device ich9-intel-hda,id=sound7,bus=pci.0,addr=0x8 \
+-device hda-micro,id=sound7-codec0,bus=sound7.0,cad=0 \
+-device hda-duplex,id=sound7-codec1,bus=sound7.0,cad=1 \
+-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x9
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-sound-device.xml b/tests/qemuxml2argvdata/qemuxml2argv-sound-device.xml
index 7bf9ff9..8ce718e 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-sound-device.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-sound-device.xml
@@ -31,6 +31,11 @@
       <codec type='micro'/>
       <codec type='duplex'/>
     </sound>
+    <sound model='ich9'/>
+    <sound model='ich9'>
+      <codec type='micro'/>
+      <codec type='duplex'/>
+    </sound>
     <memballoon model='virtio'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
index aa43145..23ea2ee 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -841,7 +841,8 @@ mymain(void)
     DO_TEST("sound", NONE);
     DO_TEST("sound-device",
             QEMU_CAPS_DEVICE, QEMU_CAPS_NODEFCONFIG,
-            QEMU_CAPS_HDA_DUPLEX, QEMU_CAPS_HDA_MICRO);
+            QEMU_CAPS_HDA_DUPLEX, QEMU_CAPS_HDA_MICRO,
+            QEMU_CAPS_DEVICE_ICH9_INTEL_HDA);
     DO_TEST("fs9p",
             QEMU_CAPS_DEVICE, QEMU_CAPS_NODEFCONFIG, QEMU_CAPS_FSDEV,
             QEMU_CAPS_FSDEV_WRITEOUT);
-- 
1.8.3.2