qemu: assume various QEMU 0.10 features are always available

The -sdl and -net ...name=XXX arguments were both introduced
in QEMU 0.10, so the QEMU driver can assume they are always
available.
Signed-off-by: NDaniel P. Berrange <berrange@redhat.com>

src/qemu/qemu_capabilities.c

@@ -1227,9 +1227,6 @@ virQEMUCapsComputeCmdFlags(const char *help,
     if (strstr(help, "-machine"))
         virQEMUCapsSet(qemuCaps, QEMU_CAPS_MACHINE_OPT);
 
-    if (version >= 10000)
-        virQEMUCapsSet(qemuCaps, QEMU_CAPS_0_10);
-
     if (version >= 11000)
         virQEMUCapsSet(qemuCaps, QEMU_CAPS_VIRTIO_BLK_SG_IO);
 
@@ -3165,7 +3162,6 @@ static qemuMonitorCallbacks callbacks = {
 static void
 virQEMUCapsInitQMPBasic(virQEMUCapsPtr qemuCaps)
 {
-    virQEMUCapsSet(qemuCaps, QEMU_CAPS_0_10);
     virQEMUCapsSet(qemuCaps, QEMU_CAPS_MEM_PATH);
     virQEMUCapsSet(qemuCaps, QEMU_CAPS_DRIVE_SERIAL);
     virQEMUCapsSet(qemuCaps, QEMU_CAPS_CHARDEV);

src/qemu/qemu_capabilities.h

@@ -68,7 +68,7 @@ typedef enum {
 
     /* 15 */
     X_QEMU_CAPS_VGA, /* Is -vga avail */
-    QEMU_CAPS_0_10, /* features added in qemu-0.10.0 or later */
+    X_QEMU_CAPS_0_10, /* features added in qemu-0.10.0 or later */
     QEMU_CAPS_PCIDEVICE, /* PCI device assignment supported */
     QEMU_CAPS_MEM_PATH, /* mmap'ped guest backing supported */
     QEMU_CAPS_DRIVE_SERIAL, /* -driver serial=  available */
@@ -328,10 +328,6 @@ typedef enum {
     QEMU_CAPS_LAST /* this must always be the last item */
 } virQEMUCapsFlags;
 
-/* Aliases for some of the capabilities defined above */
-# define QEMU_CAPS_NET_NAME QEMU_CAPS_0_10 /* -net ...,name=str */
-# define QEMU_CAPS_HOST_NET_ADD QEMU_CAPS_0_10 /* host_net_add command */
-
 typedef struct _virQEMUCaps virQEMUCaps;
 typedef virQEMUCaps *virQEMUCapsPtr;
 

src/qemu/qemu_command.c

@@ -1164,17 +1164,14 @@ qemuAssignDeviceAliases(virDomainDefPtr def, virQEMUCapsPtr qemuCaps)
         if (qemuAssignDeviceDiskAlias(def, def->disks[i], qemuCaps) < 0)
             return -1;
     }
-    if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_NET_NAME) ||
-        virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
-        for (i = 0; i < def->nnets; i++) {
-            /* type='hostdev' interfaces are also on the hostdevs list,
-             * and will have their alias assigned with other hostdevs.
-             */
-            if (virDomainNetGetActualType(def->nets[i])
-                != VIR_DOMAIN_NET_TYPE_HOSTDEV &&
-                qemuAssignDeviceNetAlias(def, def->nets[i], i) < 0) {
-                return -1;
-            }
+    for (i = 0; i < def->nnets; i++) {
+        /* type='hostdev' interfaces are also on the hostdevs list,
+         * and will have their alias assigned with other hostdevs.
+         */
+        if (virDomainNetGetActualType(def->nets[i])
+            != VIR_DOMAIN_NET_TYPE_HOSTDEV &&
+            qemuAssignDeviceNetAlias(def, def->nets[i], i) < 0) {
+            return -1;
         }
     }
 
@@ -8514,8 +8511,7 @@ qemuBuildGraphicsCommandLine(virQEMUDriverConfigPtr cfg,
 {
     switch ((virDomainGraphicsType) graphics->type) {
     case VIR_DOMAIN_GRAPHICS_TYPE_SDL:
-        if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_0_10) &&
-            !virQEMUCapsGet(qemuCaps, QEMU_CAPS_SDL)) {
+        if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_SDL)) {
             virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                            _("sdl not supported by '%s'"), def->emulator);
             return -1;
@@ -8538,8 +8534,7 @@ qemuBuildGraphicsCommandLine(virQEMUDriverConfigPtr cfg,
         /* New QEMU has this flag to let us explicitly ask for
          * SDL graphics. This is better than relying on the
          * default, since the default changes :-( */
-        if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_SDL))
-            virCommandAddArg(cmd, "-sdl");
+        virCommandAddArg(cmd, "-sdl");
 
         break;
 
@@ -10551,11 +10546,6 @@ qemuBuildCommandLine(virConnectPtr conn,
         }
     }
 
-    if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_0_10) && sdl + vnc + spice > 1) {
-        virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
-                       _("only 1 graphics device is supported"));
-        goto error;
-    }
     if (sdl > 1 || vnc > 1 || spice > 1) {
         virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
                        _("only 1 graphics device of each type "
@@ -12991,6 +12981,11 @@ qemuParseCommandLine(virCapsPtr qemuCaps,
                 virDomainGraphicsDefFree(vnc);
                 goto error;
             }
+        } else if (STREQ(arg, "-sdl")) {
+            virDomainGraphicsDefPtr sdl;
+            if (VIR_ALLOC(sdl) < 0)
+                goto error;
+            sdl->type = VIR_DOMAIN_GRAPHICS_TYPE_SDL;
         } else if (STREQ(arg, "-m")) {
             int mem;
             WANT_VALUE();

src/qemu/qemu_hotplug.c

@@ -908,12 +908,6 @@ int qemuDomainAttachNetDevice(virConnectPtr conn,
         goto cleanup;
     }
 
-    if (!virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_HOST_NET_ADD)) {
-        virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
-                       _("installed qemu version does not support host_net_add"));
-        goto cleanup;
-    }
-
     /* Currently nothing besides TAP devices supports multiqueue. */
     if (net->driver.virtio.queues > 0 &&
         !(actualType == VIR_DOMAIN_NET_TYPE_NETWORK ||
@@ -998,8 +992,7 @@ int qemuDomainAttachNetDevice(virConnectPtr conn,
             goto cleanup;
     }
 
-    if (virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_NET_NAME) ||
-        virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE)) {
+    if (virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE)) {
         if (qemuAssignDeviceNetAlias(vm->def, net, -1) < 0)
             goto cleanup;
     }

tests/qemucapabilitiesdata/caps_1.2.2-1.caps

   <qemuCaps>
-    <flag name='0.10'/>
     <flag name='mem-path'/>
     <flag name='drive-serial'/>
     <flag name='chardev'/>

tests/qemucapabilitiesdata/caps_1.3.1-1.caps

   <qemuCaps>
-    <flag name='0.10'/>
     <flag name='mem-path'/>
     <flag name='drive-serial'/>
     <flag name='chardev'/>

tests/qemucapabilitiesdata/caps_1.4.2-1.caps

   <qemuCaps>
-    <flag name='0.10'/>
     <flag name='mem-path'/>
     <flag name='drive-serial'/>
     <flag name='chardev'/>

tests/qemucapabilitiesdata/caps_1.5.3-1.caps

   <qemuCaps>
-    <flag name='0.10'/>
     <flag name='mem-path'/>
     <flag name='drive-serial'/>
     <flag name='chardev'/>

tests/qemucapabilitiesdata/caps_1.6.0-1.caps

   <qemuCaps>
-    <flag name='0.10'/>
     <flag name='mem-path'/>
     <flag name='drive-serial'/>
     <flag name='chardev'/>

tests/qemucapabilitiesdata/caps_1.6.50-1.caps

   <qemuCaps>
-    <flag name='0.10'/>
     <flag name='mem-path'/>
     <flag name='drive-serial'/>
     <flag name='chardev'/>

tests/qemucapabilitiesdata/caps_2.1.1-1.caps

   <qemuCaps>
-    <flag name='0.10'/>
     <flag name='mem-path'/>
     <flag name='drive-serial'/>
     <flag name='chardev'/>

tests/qemucaps2xmldata/all_1.6.0-1.caps

   <qemuCaps>
-    <flag name='0.10'/>
     <flag name='mem-path'/>
     <flag name='drive-serial'/>
     <flag name='chardev'/>

tests/qemucaps2xmldata/nodisksnapshot_1.6.0-1.caps

   <qemuCaps>
-    <flag name='0.10'/>
     <flag name='mem-path'/>
     <flag name='drive-serial'/>
     <flag name='chardev'/>

tests/qemuhelptest.c

@@ -154,7 +154,6 @@ mymain(void)
     DO_TEST("qemu-0.12.1", 12001, 0, 0,
             QEMU_CAPS_DRIVE_SERIAL,
             QEMU_CAPS_DRIVE_READONLY,
-            QEMU_CAPS_0_10,
             QEMU_CAPS_ENABLE_KVM,
             QEMU_CAPS_SDL,
             QEMU_CAPS_CHARDEV,
@@ -179,7 +178,6 @@ mymain(void)
             QEMU_CAPS_KVM,
             QEMU_CAPS_DRIVE_SERIAL,
             QEMU_CAPS_DRIVE_READONLY,
-            QEMU_CAPS_0_10,
             QEMU_CAPS_PCIDEVICE,
             QEMU_CAPS_MEM_PATH,
             QEMU_CAPS_CHARDEV,
@@ -229,7 +227,6 @@ mymain(void)
             QEMU_CAPS_KVM,
             QEMU_CAPS_DRIVE_SERIAL,
             QEMU_CAPS_DRIVE_READONLY,
-            QEMU_CAPS_0_10,
             QEMU_CAPS_PCIDEVICE,
             QEMU_CAPS_MEM_PATH,
             QEMU_CAPS_SDL,
@@ -260,7 +257,6 @@ mymain(void)
             QEMU_CAPS_KVM,
             QEMU_CAPS_DRIVE_SERIAL,
             QEMU_CAPS_DRIVE_READONLY,
-            QEMU_CAPS_0_10,
             QEMU_CAPS_PCIDEVICE,
             QEMU_CAPS_MEM_PATH,
             QEMU_CAPS_SDL,
@@ -320,7 +316,6 @@ mymain(void)
             QEMU_CAPS_KVM,
             QEMU_CAPS_DRIVE_SERIAL,
             QEMU_CAPS_DRIVE_READONLY,
-            QEMU_CAPS_0_10,
             QEMU_CAPS_PCIDEVICE,
             QEMU_CAPS_MEM_PATH,
             QEMU_CAPS_CHARDEV,
@@ -377,7 +372,6 @@ mymain(void)
             QEMU_CAPS_KVM,
             QEMU_CAPS_DRIVE_SERIAL,
             QEMU_CAPS_DRIVE_READONLY,
-            QEMU_CAPS_0_10,
             QEMU_CAPS_PCIDEVICE,
             QEMU_CAPS_MEM_PATH,
             QEMU_CAPS_CHARDEV,
@@ -441,7 +435,6 @@ mymain(void)
             QEMU_CAPS_DRIVE_CACHE_UNSAFE,
             QEMU_CAPS_DRIVE_SERIAL,
             QEMU_CAPS_DRIVE_READONLY,
-            QEMU_CAPS_0_10,
             QEMU_CAPS_MEM_PATH,
             QEMU_CAPS_SDL,
             QEMU_CAPS_CHARDEV,
@@ -521,7 +514,6 @@ mymain(void)
             QEMU_CAPS_DRIVE_CACHE_UNSAFE,
             QEMU_CAPS_DRIVE_SERIAL,
             QEMU_CAPS_DRIVE_READONLY,
-            QEMU_CAPS_0_10,
             QEMU_CAPS_MEM_PATH,
             QEMU_CAPS_SDL,
             QEMU_CAPS_CHARDEV,

tests/qemuhotplugtest.c

@@ -72,7 +72,6 @@ qemuHotplugCreateObjects(virDomainXMLOptionPtr xmlopt,
 
     /* for attach & detach qemu must support -device */
     virQEMUCapsSet(priv->qemuCaps, QEMU_CAPS_DEVICE);
-    virQEMUCapsSet(priv->qemuCaps, QEMU_CAPS_NET_NAME);
     virQEMUCapsSet(priv->qemuCaps, QEMU_CAPS_VIRTIO_SCSI);
     virQEMUCapsSet(priv->qemuCaps, QEMU_CAPS_DEVICE_USB_STORAGE);
     if (event)

tests/qemuxml2argvdata/qemuxml2argv-graphics-sdl-fullscreen.args

@@ -21,4 +21,5 @@ DISPLAY=:0.1 \
 -serial none \
 -parallel none \
 -full-screen \
+-sdl \
 -vga cirrus

tests/qemuxml2argvdata/qemuxml2argv-graphics-sdl.args

@@ -20,4 +20,5 @@ DISPLAY=:0.1 \
 -net none \
 -serial none \
 -parallel none \
+-sdl \
 -vga std

tests/qemuxml2argvdata/qemuxml2argv-net-client.args

@@ -17,7 +17,7 @@ QEMU_AUDIO_DRV=none \
 -boot c \
 -usb \
 -drive file=/dev/HostVG/QEMUGuest1,if=ide,bus=0,unit=0,format=raw \
--net nic,macaddr=52:54:00:8c:b9:05,vlan=0,model=rtl8139 \
--net socket,connect=192.168.0.1:5558,vlan=0 \
+-net nic,macaddr=52:54:00:8c:b9:05,vlan=0,model=rtl8139,name=net0 \
+-net socket,connect=192.168.0.1:5558,vlan=0,name=hostnet0 \
 -serial none \
 -parallel none

tests/qemuxml2argvdata/qemuxml2argv-net-eth-ifname.args

@@ -17,7 +17,7 @@ QEMU_AUDIO_DRV=none \
 -boot c \
 -usb \
 -drive file=/dev/HostVG/QEMUGuest1,if=ide,bus=0,unit=0,format=raw \
--net nic,macaddr=00:11:22:33:44:55,vlan=0,model=rtl8139 \
--net tap,ifname=nic02,script=/etc/qemu-ifup,vlan=0 \
+-net nic,macaddr=00:11:22:33:44:55,vlan=0,model=rtl8139,name=net0 \
+-net tap,ifname=nic02,script=/etc/qemu-ifup,vlan=0,name=hostnet0 \
 -serial none \
 -parallel none

tests/qemuxml2argvdata/qemuxml2argv-net-eth.args

@@ -17,7 +17,7 @@ QEMU_AUDIO_DRV=none \
 -boot c \
 -usb \
 -drive file=/dev/HostVG/QEMUGuest1,if=ide,bus=0,unit=0,format=raw \
--net nic,macaddr=00:11:22:33:44:55,vlan=0,model=rtl8139 \
--net tap,script=/etc/qemu-ifup,vlan=0 \
+-net nic,macaddr=00:11:22:33:44:55,vlan=0,model=rtl8139,name=net0 \
+-net tap,script=/etc/qemu-ifup,vlan=0,name=hostnet0 \
 -serial none \
 -parallel none

tests/qemuxml2argvdata/qemuxml2argv-net-mcast.args

@@ -17,7 +17,7 @@ QEMU_AUDIO_DRV=none \
 -boot c \
 -usb \
 -drive file=/dev/HostVG/QEMUGuest1,if=ide,bus=0,unit=0,format=raw \
--net nic,macaddr=52:54:00:8c:b9:05,vlan=0,model=rtl8139 \
--net socket,mcast=192.0.0.1:5558,vlan=0 \
+-net nic,macaddr=52:54:00:8c:b9:05,vlan=0,model=rtl8139,name=net0 \
+-net socket,mcast=192.0.0.1:5558,vlan=0,name=hostnet0 \
 -serial none \
 -parallel none

tests/qemuxml2argvdata/qemuxml2argv-net-server.args

@@ -17,7 +17,7 @@ QEMU_AUDIO_DRV=none \
 -boot c \
 -usb \
 -drive file=/dev/HostVG/QEMUGuest1,if=ide,bus=0,unit=0,format=raw \
--net nic,macaddr=52:54:00:8c:b9:05,vlan=0,model=rtl8139 \
--net socket,listen=192.168.0.1:5558,vlan=0 \
+-net nic,macaddr=52:54:00:8c:b9:05,vlan=0,model=rtl8139,name=net0 \
+-net socket,listen=192.168.0.1:5558,vlan=0,name=hostnet0 \
 -serial none \
 -parallel none

tests/qemuxml2argvdata/qemuxml2argv-net-udp.args

@@ -17,7 +17,8 @@ QEMU_AUDIO_DRV=none \
 -boot c \
 -usb \
 -drive file=/dev/HostVG/QEMUGuest1,if=ide,bus=0,unit=0,format=raw \
--net nic,macaddr=52:54:00:8c:b9:05,vlan=0,model=rtl8139 \
--net socket,udp=192.168.10.1:5555,localaddr=192.168.10.1:5556,vlan=0 \
+-net nic,macaddr=52:54:00:8c:b9:05,vlan=0,model=rtl8139,name=net0 \
+-net socket,udp=192.168.10.1:5555,localaddr=192.168.10.1:5556,vlan=0,\
+name=hostnet0 \
 -serial none \
 -parallel none

tests/qemuxml2argvdata/qemuxml2argv-net-user.args

@@ -17,7 +17,7 @@ QEMU_AUDIO_DRV=none \
 -boot c \
 -usb \
 -drive file=/dev/HostVG/QEMUGuest1,if=ide,bus=0,unit=0,format=raw \
--net nic,macaddr=00:11:22:33:44:55,vlan=0,model=rtl8139 \
--net user,vlan=0 \
+-net nic,macaddr=00:11:22:33:44:55,vlan=0,model=rtl8139,name=net0 \
+-net user,vlan=0,name=hostnet0 \
 -serial none \
 -parallel none

tests/qemuxml2argvdata/qemuxml2argv-net-virtio.args

@@ -17,7 +17,7 @@ QEMU_AUDIO_DRV=none \
 -boot c \
 -usb \
 -drive file=/dev/HostVG/QEMUGuest1,if=ide,bus=0,unit=0,format=raw \
--net nic,macaddr=00:11:22:33:44:55,vlan=0,model=virtio \
--net user,vlan=0 \
+-net nic,macaddr=00:11:22:33:44:55,vlan=0,model=virtio,name=net0 \
+-net user,vlan=0,name=hostnet0 \
 -serial none \
 -parallel none

tests/qemuxml2argvtest.c

@@ -910,8 +910,8 @@ mymain(void)
     VIR_FREE(driver.config->vncSASLdir);
     VIR_FREE(driver.config->vncTLSx509certdir);
 
-    DO_TEST("graphics-sdl", NONE);
-    DO_TEST("graphics-sdl-fullscreen", NONE);
+    DO_TEST("graphics-sdl", QEMU_CAPS_SDL);
+    DO_TEST("graphics-sdl-fullscreen", QEMU_CAPS_SDL);
     DO_TEST("nographics", NONE);
     DO_TEST("nographics-vga",
             QEMU_CAPS_VGA_NONE);
@@ -988,7 +988,7 @@ mymain(void)
             QEMU_CAPS_DEVICE, QEMU_CAPS_VIRTIO_CCW, QEMU_CAPS_VIRTIO_S390);
     DO_TEST("net-eth", NONE);
     DO_TEST("net-eth-ifname", NONE);
-    DO_TEST("net-eth-names", QEMU_CAPS_NET_NAME);
+    DO_TEST("net-eth-names", NONE);
     DO_TEST("net-client", NONE);
     DO_TEST("net-server", NONE);
     DO_TEST("net-mcast", NONE);