[PATCH v2 3/9] qemu: Add the capabilitie to detect if the qemu binary have the capability to use bps_max and friends

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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@xxxxxxxxxxxx>
---
 src/qemu/qemu_capabilities.c | 6 ++++++
 src/qemu/qemu_capabilities.h | 1 +
 2 files changed, 7 insertions(+)

diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index 360cc67..a97ca03 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -265,6 +265,7 @@ VIR_ENUM_IMPL(virQEMUCaps, QEMU_CAPS_LAST,
               "numa",
               "memory-backend-file",
               "usb-audio",
+              "drive-iotune-max",
     );
 
 
@@ -1063,6 +1064,8 @@ virQEMUCapsComputeCmdFlags(const char *help,
             virQEMUCapsSet(qemuCaps, QEMU_CAPS_DRIVE_COPY_ON_READ);
         if (strstr(help, "bps="))
             virQEMUCapsSet(qemuCaps, QEMU_CAPS_DRIVE_IOTUNE);
+        if (strstr(help, "bps_max="))
+            virQEMUCapsSet(qemuCaps, QEMU_CAPS_DRIVE_IOTUNE_MAX);
     }
     if ((p = strstr(help, "-vga")) && !strstr(help, "-std-vga")) {
         const char *nl = strstr(p, "\n");
@@ -3141,6 +3144,9 @@ virQEMUCapsInitQMPMonitor(virQEMUCapsPtr qemuCaps,
     if (qemuCaps->version >= 1006000)
         virQEMUCapsSet(qemuCaps, QEMU_CAPS_DEVICE_VIDEO_PRIMARY);
 
+    if (qemuCaps->version >= 1007000)
+        virQEMUCapsSet(qemuCaps, QEMU_CAPS_DRIVE_IOTUNE_MAX);
+
     if (virQEMUCapsProbeQMPCommands(qemuCaps, mon) < 0)
         goto cleanup;
     if (virQEMUCapsProbeQMPEvents(qemuCaps, mon) < 0)
diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
index 2911759..394a836 100644
--- a/src/qemu/qemu_capabilities.h
+++ b/src/qemu/qemu_capabilities.h
@@ -213,6 +213,7 @@ typedef enum {
     QEMU_CAPS_NUMA               = 171, /* newer -numa handling with disjoint cpu ranges */
     QEMU_CAPS_OBJECT_MEMORY_FILE = 172, /* -object memory-backend-file */
     QEMU_CAPS_OBJECT_USB_AUDIO   = 173, /* usb-audio device support */
+    QEMU_CAPS_DRIVE_IOTUNE_MAX   = 174, /* -drive bps_max= and friends */
 
     QEMU_CAPS_LAST,                   /* this must always be the last item */
 } virQEMUCapsFlags;
-- 
1.8.3.1

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