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[libvirt] [PATCH v4 2/6] qemu: Add the capability to detect if the qemu binary have the capability to use bps_max and friends



Add a value in the enum virQEMUCapsFlags for the qemu capability.
Set it with virQEMUCapsSet if the binary suport bps_max and they friends.

Signed-off-by: Matthias Gatto <matthias gatto outscale com>
---
 src/qemu/qemu_capabilities.c                 | 2 ++
 src/qemu/qemu_capabilities.h                 | 1 +
 tests/qemucapabilitiesdata/caps_2.1.1-1.caps | 1 +
 3 files changed, 4 insertions(+)

diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index a409aaf..b73d520 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -270,6 +270,7 @@ VIR_ENUM_IMPL(virQEMUCaps, QEMU_CAPS_LAST,
               "splash-timeout", /* 175 */
               "iothread",
               "migrate-rdma",
+              "drive-iotune-max",
     );
 
 
@@ -2448,6 +2449,7 @@ static struct virQEMUCapsCommandLineProps virQEMUCapsCommandLine[] = {
     { "spice", "disable-agent-file-xfer", QEMU_CAPS_SPICE_FILE_XFER_DISABLE },
     { "msg", "timestamp", QEMU_CAPS_MSG_TIMESTAMP },
     { "numa", NULL, QEMU_CAPS_NUMA },
+    { "drive", "throttling.bps-total-max", QEMU_CAPS_DRIVE_IOTUNE_MAX},
 };
 
 static int
diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
index a0bb5d3..9778be5 100644
--- a/src/qemu/qemu_capabilities.h
+++ b/src/qemu/qemu_capabilities.h
@@ -217,6 +217,7 @@ typedef enum {
     QEMU_CAPS_SPLASH_TIMEOUT     = 175, /* -boot splash-time */
     QEMU_CAPS_OBJECT_IOTHREAD    = 176, /* -object iothread */
     QEMU_CAPS_MIGRATE_RDMA       = 177, /* have rdma migration */
+    QEMU_CAPS_DRIVE_IOTUNE_MAX   = 178, /* -drive bps_max= and friends */
 
     QEMU_CAPS_LAST,                   /* this must always be the last item */
 } virQEMUCapsFlags;
diff --git a/tests/qemucapabilitiesdata/caps_2.1.1-1.caps b/tests/qemucapabilitiesdata/caps_2.1.1-1.caps
index 71d2459..fadfbb0 100644
--- a/tests/qemucapabilitiesdata/caps_2.1.1-1.caps
+++ b/tests/qemucapabilitiesdata/caps_2.1.1-1.caps
@@ -159,4 +159,5 @@
     <flag name='splash-timeout'/>
     <flag name='iothread'/>
     <flag name='migrate-rdma'/>
+    <flag name='drive-iotune-max'/>
   </qemuCaps>
-- 
1.8.3.1


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