[libvirt] [PATCHv2 04/16] qemu: Query hvf capability on macOS
There's no QMP command for querying if hvf is supported, therefore we
use sysctl interface that tells if Hypervisor.framwork works/available
on the host.
Signed-off-by: Roman Bolshakov <r.bolshakov(a)yadro.com>
---
src/qemu/qemu_capabilities.c | 34 ++++++++++++++++++++++++++++++++++
1 file changed, 34 insertions(+)
diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index 0bbda80782..5ebe3f1afe 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -54,6 +54,10 @@
#include <sys/wait.h>
#include <stdarg.h>
#include <sys/utsname.h>
+#ifdef __APPLE__
+# include <sys/types.h>
+# include <sys/sysctl.h>
+#endif
#define VIR_FROM_THIS VIR_FROM_QEMU
@@ -2599,6 +2603,33 @@ virQEMUCapsProbeQMPKVMState(virQEMUCapsPtr qemuCaps,
return 0;
}
+#ifdef __APPLE__
+static int
+virQEMUCapsProbeHVF(virQEMUCapsPtr qemuCaps)
+{
+ int hv_support;
+ size_t len = sizeof(hv_support);
+ if (sysctlbyname("kern.hv_support", &hv_support, &len, NULL, 0))
+ hv_support = 0;
+
+ if (qemuCaps->version >= 2012000 &&
+ ARCH_IS_X86(qemuCaps->arch) &&
+ hv_support) {
+ virQEMUCapsSet(qemuCaps, QEMU_CAPS_HVF);
+ }
+
+ return 0;
+}
+#else
+static int
+virQEMUCapsProbeHVF(virQEMUCapsPtr qemuCaps)
+{
+ (void) qemuCaps;
+
+ return 0;
+}
+#endif
+
struct virQEMUCapsCommandLineProps {
const char *option;
const char *param;
@@ -4150,6 +4181,9 @@ virQEMUCapsInitQMPMonitor(virQEMUCapsPtr qemuCaps,
if (virQEMUCapsProbeQMPKVMState(qemuCaps, mon) < 0)
goto cleanup;
+ if (virQEMUCapsProbeHVF(qemuCaps) < 0)
+ goto cleanup;
+
if (virQEMUCapsProbeQMPEvents(qemuCaps, mon) < 0)
goto cleanup;
if (virQEMUCapsProbeQMPDevices(qemuCaps, mon) < 0)
--
2.19.1