diff mbox series

[RFC,kvmtool,23/31] arm64: Specify SMC as the PSCI conduits for realms

Message ID 20230127113932.166089-24-suzuki.poulose@arm.com (mailing list archive)
State New, archived
Headers show
Series arm64: Support for Arm Confidential Compute Architecture | expand

Commit Message

Suzuki K Poulose Jan. 27, 2023, 11:39 a.m. UTC 
From: Christoffer Dall <christoffer.dall@arm.com>

This lets the VM use the RMM implementation for PSCI.

Signed-off-by: Christoffer Dall <christoffer.dall@arm.com>
Signed-off-by: Alexandru Elisei <alexandru.elisei@arm.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
---
 arm/fdt.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/arm/fdt.c b/arm/fdt.c
index 762a604d..c46ff410 100644
--- a/arm/fdt.c
+++ b/arm/fdt.c
@@ -208,7 +208,14 @@  static int setup_fdt(struct kvm *kvm)
 		_FDT(fdt_property_string(fdt, "compatible", "arm,psci"));
 		fns = &psci_0_1_fns;
 	}
-	_FDT(fdt_property_string(fdt, "method", "hvc"));
+
+
+	if (kvm->cfg.arch.is_realm) {
+		_FDT(fdt_property_string(fdt, "method", "smc"));
+	} else {
+		_FDT(fdt_property_string(fdt, "method", "hvc"));
+	}
+
 	_FDT(fdt_property_cell(fdt, "cpu_suspend", fns->cpu_suspend));
 	_FDT(fdt_property_cell(fdt, "cpu_off", fns->cpu_off));
 	_FDT(fdt_property_cell(fdt, "cpu_on", fns->cpu_on));