[libvirt] [PATCH v2 07/12] caps: Add new capability for the bps/iops throttling length

[John Ferlan]

Add the capability to detect if the qemu binary can support the feature
to use bps-max-length and friends.

Signed-off-by: John Ferlan <jferlan at redhat.com>
---
 src/qemu/qemu_capabilities.c                            | 2 ++
 src/qemu/qemu_capabilities.h                            | 1 +
 tests/qemucapabilitiesdata/caps_2.6.0-gicv2.aarch64.xml | 1 +
 tests/qemucapabilitiesdata/caps_2.6.0-gicv3.aarch64.xml | 1 +
 tests/qemucapabilitiesdata/caps_2.6.0.ppc64le.xml       | 1 +
 tests/qemucapabilitiesdata/caps_2.6.0.x86_64.xml        | 1 +
 tests/qemucapabilitiesdata/caps_2.7.0.x86_64.xml        | 1 +
 7 files changed, 8 insertions(+)

diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index cc8ec58..eb78d92 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -344,6 +344,7 @@ VIR_ENUM_IMPL(virQEMUCaps, QEMU_CAPS_LAST,
               "query-hotpluggable-cpus",
 
               "virtio-net.rx_queue_size", /* 235 */
+              "drive-iotune-max-length",
     );
 
 
@@ -2852,6 +2853,7 @@ static struct virQEMUCapsCommandLineProps virQEMUCapsCommandLine[] = {
     { "name", "debug-threads", QEMU_CAPS_NAME_DEBUG_THREADS },
     { "name", "guest", QEMU_CAPS_NAME_GUEST },
     { "spice", "unix", QEMU_CAPS_SPICE_UNIX },
+    { "drive", "throttling.bps-total-max-length", QEMU_CAPS_DRIVE_IOTUNE_MAX_LENGTH },
 };
 
 static int
diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
index ba0ef48..d99d61d 100644
--- a/src/qemu/qemu_capabilities.h
+++ b/src/qemu/qemu_capabilities.h
@@ -378,6 +378,7 @@ typedef enum {
 
     /* 235 */
     QEMU_CAPS_VIRTIO_NET_RX_QUEUE_SIZE, /* virtio-net-*.rx_queue_size */
+    QEMU_CAPS_DRIVE_IOTUNE_MAX_LENGTH, /* -drive bps_max_length = and friends */
 
     QEMU_CAPS_LAST /* this must always be the last item */
 } virQEMUCapsFlags;
diff --git a/tests/qemucapabilitiesdata/caps_2.6.0-gicv2.aarch64.xml b/tests/qemucapabilitiesdata/caps_2.6.0-gicv2.aarch64.xml
index fd14665..d5089dc 100644
--- a/tests/qemucapabilitiesdata/caps_2.6.0-gicv2.aarch64.xml
+++ b/tests/qemucapabilitiesdata/caps_2.6.0-gicv2.aarch64.xml
@@ -159,6 +159,7 @@
   <flag name='display'/>
   <flag name='smm'/>
   <flag name='virtio-pci-disable-legacy'/>
+  <flag name='drive-iotune-max-length'/>
   <version>2005094</version>
   <kvmVersion>0</kvmVersion>
   <package></package>
diff --git a/tests/qemucapabilitiesdata/caps_2.6.0-gicv3.aarch64.xml b/tests/qemucapabilitiesdata/caps_2.6.0-gicv3.aarch64.xml
index eb708f8..3417996 100644
--- a/tests/qemucapabilitiesdata/caps_2.6.0-gicv3.aarch64.xml
+++ b/tests/qemucapabilitiesdata/caps_2.6.0-gicv3.aarch64.xml
@@ -159,6 +159,7 @@
   <flag name='display'/>
   <flag name='smm'/>
   <flag name='virtio-pci-disable-legacy'/>
+  <flag name='drive-iotune-max-length'/>
   <version>2005094</version>
   <kvmVersion>0</kvmVersion>
   <package></package>
diff --git a/tests/qemucapabilitiesdata/caps_2.6.0.ppc64le.xml b/tests/qemucapabilitiesdata/caps_2.6.0.ppc64le.xml
index 482b384..6a653ae 100644
--- a/tests/qemucapabilitiesdata/caps_2.6.0.ppc64le.xml
+++ b/tests/qemucapabilitiesdata/caps_2.6.0.ppc64le.xml
@@ -153,6 +153,7 @@
   <flag name='display'/>
   <flag name='smm'/>
   <flag name='virtio-pci-disable-legacy'/>
+  <flag name='drive-iotune-max-length'/>
   <version>2005094</version>
   <kvmVersion>0</kvmVersion>
   <package></package>
diff --git a/tests/qemucapabilitiesdata/caps_2.6.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_2.6.0.x86_64.xml
index 60f1fcf..cbea49e 100644
--- a/tests/qemucapabilitiesdata/caps_2.6.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_2.6.0.x86_64.xml
@@ -196,6 +196,7 @@
   <flag name='intel-iommu'/>
   <flag name='smm'/>
   <flag name='virtio-pci-disable-legacy'/>
+  <flag name='drive-iotune-max-length'/>
   <version>2006000</version>
   <kvmVersion>0</kvmVersion>
   <package></package>
diff --git a/tests/qemucapabilitiesdata/caps_2.7.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_2.7.0.x86_64.xml
index 98f3762..d9e9a78 100644
--- a/tests/qemucapabilitiesdata/caps_2.7.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_2.7.0.x86_64.xml
@@ -197,6 +197,7 @@
   <flag name='smm'/>
   <flag name='virtio-pci-disable-legacy'/>
   <flag name='query-hotpluggable-cpus'/>
+  <flag name='drive-iotune-max-length'/>
   <version>2007000</version>
   <kvmVersion>0</kvmVersion>
   <package> (v2.7.0)</package>
-- 
2.7.4