[PATCH] allwinner-h3: Switch to SMC as PSCI conduit

[Alexander Graf <agraf@csgraf.de>]

The Allwinner H3 SoC uses Cortex-A7 cores which support virtualization.
However, today we are configuring QEMU to use HVC as PSCI conduit.

That means HVC calls get trapped into QEMU instead of the guest's own
emulated CPU and thus break the guest's ability to execute virtualization.

Fix this by moving to SMC as conduit, freeing up HYP completely to the VM.

Signed-off-by: Alexander Graf <agraf@csgraf.de>
Fixes: 740dafc0ba0 ("hw/arm: add Allwinner H3 System-on-Chip")
---
 hw/arm/allwinner-h3.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/arm/allwinner-h3.c b/hw/arm/allwinner-h3.c
index 27f1070145..f9b7ed1871 100644
--- a/hw/arm/allwinner-h3.c
+++ b/hw/arm/allwinner-h3.c
@@ -237,7 +237,7 @@ static void allwinner_h3_realize(DeviceState *dev, Error **errp)
 
         /* Provide Power State Coordination Interface */
         qdev_prop_set_int32(DEVICE(&s->cpus[i]), "psci-conduit",
-                            QEMU_PSCI_CONDUIT_HVC);
+                            QEMU_PSCI_CONDUIT_SMC);
 
         /* Disable secondary CPUs */
         qdev_prop_set_bit(DEVICE(&s->cpus[i]), "start-powered-off",
-- 
2.30.1 (Apple Git-130)