Re: [libvirt] [PATCH v2 3/9] qemu: Add the capabilitie 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(a)outscale.com&gt; --- 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;