[PATCH v6 3/5] KVM: arm64: Mark FFA_NOTIFICATION_* calls as unsupported

[Per Larsen via B4 Relay]

From: Per Larsen <perlarsen at google.com>

Prevent FFA_NOTIFICATION_* interfaces from being passed through to TZ.

Acked-by: Will Deacon <will at kernel.org>
Signed-off-by: Per Larsen <perlarsen at google.com>
---
 arch/arm64/kvm/hyp/nvhe/ffa.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm64/kvm/hyp/nvhe/ffa.c b/arch/arm64/kvm/hyp/nvhe/ffa.c
index 65d241ba32403d014b43cc4ef4d5bf9693813809..5fd6474d96ae4b90d99796ee81bb36373219afc4 100644
--- a/arch/arm64/kvm/hyp/nvhe/ffa.c
+++ b/arch/arm64/kvm/hyp/nvhe/ffa.c
@@ -670,6 +670,14 @@ static bool ffa_call_supported(u64 func_id)
 	case FFA_RXTX_MAP:
 	case FFA_MEM_DONATE:
 	case FFA_MEM_RETRIEVE_REQ:
+       /* Optional notification interfaces added in FF-A 1.1 */
+	case FFA_NOTIFICATION_BITMAP_CREATE:
+	case FFA_NOTIFICATION_BITMAP_DESTROY:
+	case FFA_NOTIFICATION_BIND:
+	case FFA_NOTIFICATION_UNBIND:
+	case FFA_NOTIFICATION_SET:
+	case FFA_NOTIFICATION_GET:
+	case FFA_NOTIFICATION_INFO_GET:
 		return false;
 	}
 

-- 
2.50.0.727.gbf7dc18ff4-goog