[v6] WHPX support for Arm

[PATCH v6 13/23] target/arm: cpu: mark WHPX as supporting PSCI 1.3

Mohamed Mediouni posted 23 patches 1 week, 1 day ago

Diff against v1 v2 v3 v4 v5
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Maintainers: Cameron Esfahani <dirty@apple.com>, Roman Bolshakov <rbolshakov@ddn.com>, Phil Dennis-Jordan <phil@philjordan.eu>, Mads Ynddal <mads@ynddal.dk>, Pedro Barbuda <pbarbuda@microsoft.com>, Mohamed Mediouni <mohamed@unpredictable.fr>, Peter Maydell <peter.maydell@linaro.org>, Shannon Zhao <shannon.zhaosl@gmail.com>, "Michael S. Tsirkin" <mst@redhat.com>, Igor Mammedov <imammedo@redhat.com>, Ani Sinha <anisinha@redhat.com>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, Paolo Bonzini <pbonzini@redhat.com>, Richard Henderson <richard.henderson@linaro.org>, Eduardo Habkost <eduardo@habkost.net>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, Yanan Wang <wangyanan55@huawei.com>, Zhao Liu <zhao1.liu@intel.com>, "Marc-André Lureau" <marcandre.lureau@redhat.com>, "Daniel P. Berrangé" <berrange@redhat.com>, Alexander Graf <agraf@csgraf.de>

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[PATCH v6 13/23] target/arm: cpu: mark WHPX as supporting PSCI 1.3

Posted by Mohamed Mediouni 1 week, 1 day ago

Hyper-V supports PSCI 1.3, and that implementation is exposed through
WHPX.

Signed-off-by: Mohamed Mediouni <mohamed@unpredictable.fr>

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
---
 target/arm/cpu.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index c65af7e761..5a5dcda60c 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -23,6 +23,7 @@
 #include "qemu/timer.h"
 #include "qemu/log.h"
 #include "exec/page-vary.h"
+#include "system/whpx.h"
 #include "target/arm/idau.h"
 #include "qemu/module.h"
 #include "qapi/error.h"
@@ -1126,6 +1127,8 @@ static void arm_cpu_initfn(Object *obj)
     if (tcg_enabled() || hvf_enabled()) {
         /* TCG and HVF implement PSCI 1.1 */
         cpu->psci_version = QEMU_PSCI_VERSION_1_1;
+    } else if (whpx_enabled()) {
+        cpu->psci_version = QEMU_PSCI_VERSION_1_3;
     }
 }
 
-- 
2.50.1 (Apple Git-155)