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[PATCH v3 2/6] bhyve: implement sound device support



bhyve supports intel hda sound devices that could be specified
on the command like using "-1:0,hda,play=$play_dev,rec=$rec_dev",
where "1:0" is a PCI address, and "$play_dev" and "$rec_dev"
point to the playback and recording device on the host respectively.
Currently, schema of the 'sound' element doesn't allow specifying
neither playback nor recording devices, so for now hardcode
/dev/dsp0, which is the first audio device on the host.

Signed-off-by: Roman Bogorodskiy <bogorodskiy gmail com>
---
 src/bhyve/bhyve_capabilities.c                | 14 ++++++++
 src/bhyve/bhyve_capabilities.h                |  1 +
 src/bhyve/bhyve_command.c                     | 33 +++++++++++++++++
 src/bhyve/bhyve_device.c                      |  9 +++++
 .../bhyvexml2argv-sound.args                  | 10 ++++++
 .../bhyvexml2argv-sound.ldargs                |  3 ++
 .../bhyvexml2argvdata/bhyvexml2argv-sound.xml | 24 +++++++++++++
 tests/bhyvexml2argvtest.c                     |  6 +++-
 .../bhyvexml2xmlout-sound.xml                 | 36 +++++++++++++++++++
 tests/bhyvexml2xmltest.c                      |  1 +
 10 files changed, 136 insertions(+), 1 deletion(-)
 create mode 100644 tests/bhyvexml2argvdata/bhyvexml2argv-sound.args
 create mode 100644 tests/bhyvexml2argvdata/bhyvexml2argv-sound.ldargs
 create mode 100644 tests/bhyvexml2argvdata/bhyvexml2argv-sound.xml
 create mode 100644 tests/bhyvexml2xmloutdata/bhyvexml2xmlout-sound.xml

diff --git a/src/bhyve/bhyve_capabilities.c b/src/bhyve/bhyve_capabilities.c
index fb8829d571..36f3985335 100644
--- a/src/bhyve/bhyve_capabilities.c
+++ b/src/bhyve/bhyve_capabilities.c
@@ -323,6 +323,17 @@ bhyveProbeCapsXHCIController(unsigned int *caps, char *binary)
 }
 
 
+static int
+bhyveProbeCapsSoundHda(unsigned int *caps, char *binary)
+{
+    return bhyveProbeCapsDeviceHelper(caps, binary,
+                                      "-s",
+                                      "0,hda",
+                                      "pci slot 0:0: unknown device \"hda\"",
+                                      BHYVE_CAP_SOUND_HDA);
+}
+
+
 int
 virBhyveProbeCaps(unsigned int *caps)
 {
@@ -351,6 +362,9 @@ virBhyveProbeCaps(unsigned int *caps)
     if ((ret = bhyveProbeCapsXHCIController(caps, binary)))
         goto out;
 
+    if ((ret = bhyveProbeCapsSoundHda(caps, binary)))
+        goto out;
+
  out:
     VIR_FREE(binary);
     return ret;
diff --git a/src/bhyve/bhyve_capabilities.h b/src/bhyve/bhyve_capabilities.h
index 12926cf423..1ac9ff4283 100644
--- a/src/bhyve/bhyve_capabilities.h
+++ b/src/bhyve/bhyve_capabilities.h
@@ -49,6 +49,7 @@ typedef enum {
     BHYVE_CAP_FBUF = 1 << 4,
     BHYVE_CAP_XHCI = 1 << 5,
     BHYVE_CAP_CPUTOPOLOGY = 1 << 6,
+    BHYVE_CAP_SOUND_HDA = 1 << 7,
 } virBhyveCapsFlags;
 
 int virBhyveProbeGrubCaps(virBhyveGrubCapsFlags *caps);
diff --git a/src/bhyve/bhyve_command.c b/src/bhyve/bhyve_command.c
index 86e6640359..1f42f71347 100644
--- a/src/bhyve/bhyve_command.c
+++ b/src/bhyve/bhyve_command.c
@@ -475,6 +475,34 @@ bhyveBuildGraphicsArgStr(const virDomainDef *def,
 
 }
 
+static int
+bhyveBuildSoundArgStr(const virDomainDef *def G_GNUC_UNUSED,
+                      virDomainSoundDefPtr sound,
+                      bhyveConnPtr driver,
+                      virCommandPtr cmd)
+{
+    if (!(bhyveDriverGetBhyveCaps(driver) & BHYVE_CAP_SOUND_HDA)) {
+        /* Currently, bhyve only supports "hda" sound devices, so
+           if it's not supported, sound devices are not supported at all */
+        virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+                       _("Sound devices emulation is not supported "
+                         "by given bhyve binary"));
+        return -1;
+    }
+
+    if (sound->model != VIR_DOMAIN_SOUND_MODEL_ICH7) {
+        virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+                       _("Sound device model is not supported"));
+        return -1;
+    }
+
+    virCommandAddArg(cmd, "-s");
+    virCommandAddArgFormat(cmd, "%d:%d,hda,play=/dev/dsp0",
+                           sound->info.addr.pci.slot,
+                           sound->info.addr.pci.function);
+    return 0;
+}
+
 virCommandPtr
 virBhyveProcessBuildBhyveCmd(bhyveConnPtr driver, virDomainDefPtr def,
                              bool dryRun)
@@ -619,6 +647,11 @@ virBhyveProcessBuildBhyveCmd(bhyveConnPtr driver, virDomainDefPtr def,
         }
     }
 
+    for (i = 0; i < def->nsounds; i++) {
+        if (bhyveBuildSoundArgStr(def, def->sounds[i], driver, cmd) < 0)
+            goto error;
+    }
+
     if (bhyveDomainDefNeedsISAController(def))
         bhyveBuildLPCArgStr(def, cmd);
 
diff --git a/src/bhyve/bhyve_device.c b/src/bhyve/bhyve_device.c
index fc52280361..3c8ff587e0 100644
--- a/src/bhyve/bhyve_device.c
+++ b/src/bhyve/bhyve_device.c
@@ -154,6 +154,15 @@ bhyveAssignDevicePCISlots(virDomainDefPtr def,
             return -1;
     }
 
+    for (i = 0; i < def->nsounds; i++) {
+        if (!virDeviceInfoPCIAddressIsWanted(&def->sounds[i]->info))
+            continue;
+        if (virDomainPCIAddressReserveNextAddr(addrs,
+                                               &def->sounds[i]->info,
+                                               VIR_PCI_CONNECT_TYPE_PCI_DEVICE,
+                                               -1) < 0)
+            return -1;
+    }
 
     return 0;
 }
diff --git a/tests/bhyvexml2argvdata/bhyvexml2argv-sound.args b/tests/bhyvexml2argvdata/bhyvexml2argv-sound.args
new file mode 100644
index 0000000000..c242708ff1
--- /dev/null
+++ b/tests/bhyvexml2argvdata/bhyvexml2argv-sound.args
@@ -0,0 +1,10 @@
+/usr/sbin/bhyve \
+-c 1 \
+-m 214 \
+-u \
+-H \
+-P \
+-s 0:0,hostbridge \
+-s 2:0,ahci,hd:/tmp/freebsd.img \
+-s 3:0,virtio-net,faketapdev,mac=52:54:00:b9:94:02 \
+-s 4:0,hda,play=/dev/dsp0 bhyve
diff --git a/tests/bhyvexml2argvdata/bhyvexml2argv-sound.ldargs b/tests/bhyvexml2argvdata/bhyvexml2argv-sound.ldargs
new file mode 100644
index 0000000000..32538b558e
--- /dev/null
+++ b/tests/bhyvexml2argvdata/bhyvexml2argv-sound.ldargs
@@ -0,0 +1,3 @@
+/usr/sbin/bhyveload \
+-m 214 \
+-d /tmp/freebsd.img bhyve
diff --git a/tests/bhyvexml2argvdata/bhyvexml2argv-sound.xml b/tests/bhyvexml2argvdata/bhyvexml2argv-sound.xml
new file mode 100644
index 0000000000..8e799301fb
--- /dev/null
+++ b/tests/bhyvexml2argvdata/bhyvexml2argv-sound.xml
@@ -0,0 +1,24 @@
+<domain type='bhyve'>
+  <name>bhyve</name>
+  <uuid>df3be7e7-a104-11e3-aeb0-50e5492bd3dc</uuid>
+  <memory>219136</memory>
+  <vcpu>1</vcpu>
+  <os>
+    <type>hvm</type>
+  </os>
+  <devices>
+    <disk type='file'>
+      <driver name='file' type='raw'/>
+      <source file='/tmp/freebsd.img'/>
+      <target dev='hda' bus='sata'/>
+      <address type='drive' controller='0' bus='0' target='2' unit='0'/>
+    </disk>
+    <interface type='bridge'>
+      <mac address='52:54:00:b9:94:02'/>
+      <model type='virtio'/>
+      <source bridge="virbr0"/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
+    </interface>
+    <sound model='ich7'/>
+  </devices>
+</domain>
diff --git a/tests/bhyvexml2argvtest.c b/tests/bhyvexml2argvtest.c
index 7ce4dc6e58..0a05d6d892 100644
--- a/tests/bhyvexml2argvtest.c
+++ b/tests/bhyvexml2argvtest.c
@@ -166,7 +166,7 @@ mymain(void)
     driver.bhyvecaps = BHYVE_CAP_RTC_UTC | BHYVE_CAP_AHCI32SLOT | \
                        BHYVE_CAP_NET_E1000 | BHYVE_CAP_LPC_BOOTROM | \
                        BHYVE_CAP_FBUF | BHYVE_CAP_XHCI | \
-                       BHYVE_CAP_CPUTOPOLOGY;
+                       BHYVE_CAP_CPUTOPOLOGY | BHYVE_CAP_SOUND_HDA;
 
     DO_TEST("base");
     DO_TEST("wired");
@@ -201,6 +201,7 @@ mymain(void)
     DO_TEST_FAILURE("cputopology-nvcpu-mismatch");
     DO_TEST("commandline");
     DO_TEST("msrs");
+    DO_TEST("sound");
 
     /* Address allocation tests */
     DO_TEST("addr-single-sata-disk");
@@ -240,6 +241,9 @@ mymain(void)
     driver.bhyvecaps &= ~BHYVE_CAP_CPUTOPOLOGY;
     DO_TEST_FAILURE("cputopology");
 
+    driver.bhyvecaps &= ~BHYVE_CAP_SOUND_HDA;
+    DO_TEST_FAILURE("sound");
+
     virObjectUnref(driver.caps);
     virObjectUnref(driver.xmlopt);
     virPortAllocatorRangeFree(driver.remotePorts);
diff --git a/tests/bhyvexml2xmloutdata/bhyvexml2xmlout-sound.xml b/tests/bhyvexml2xmloutdata/bhyvexml2xmlout-sound.xml
new file mode 100644
index 0000000000..a64c5da27a
--- /dev/null
+++ b/tests/bhyvexml2xmloutdata/bhyvexml2xmlout-sound.xml
@@ -0,0 +1,36 @@
+<domain type='bhyve'>
+  <name>bhyve</name>
+  <uuid>df3be7e7-a104-11e3-aeb0-50e5492bd3dc</uuid>
+  <memory unit='KiB'>219136</memory>
+  <currentMemory unit='KiB'>219136</currentMemory>
+  <vcpu placement='static'>1</vcpu>
+  <os>
+    <type arch='x86_64'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <clock offset='utc'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <devices>
+    <disk type='file' device='disk'>
+      <driver name='file' type='raw'/>
+      <source file='/tmp/freebsd.img'/>
+      <target dev='hda' bus='sata'/>
+      <address type='drive' controller='0' bus='0' target='2' unit='0'/>
+    </disk>
+    <controller type='pci' index='0' model='pci-root'/>
+    <controller type='sata' index='0'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
+    </controller>
+    <interface type='bridge'>
+      <mac address='52:54:00:b9:94:02'/>
+      <source bridge='virbr0'/>
+      <model type='virtio'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
+    </interface>
+    <sound model='ich7'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>
+    </sound>
+  </devices>
+</domain>
diff --git a/tests/bhyvexml2xmltest.c b/tests/bhyvexml2xmltest.c
index 2ac102b8e3..f9af1a364d 100644
--- a/tests/bhyvexml2xmltest.c
+++ b/tests/bhyvexml2xmltest.c
@@ -108,6 +108,7 @@ mymain(void)
     DO_TEST_DIFFERENT("vnc-autoport");
     DO_TEST_DIFFERENT("commandline");
     DO_TEST_DIFFERENT("msrs");
+    DO_TEST_DIFFERENT("sound");
 
     /* Address allocation tests */
     DO_TEST_DIFFERENT("addr-single-sata-disk");
-- 
2.27.0


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