[PATCH v11 3/6] KVM: arm64: Mark FFA_NOTIFICATION_* calls as unsupported
From: Per Larsen via B4 Relay <devnull+perlarsen.google.com@kernel.org>
Date: 2025-08-20 01:10:12
Also in:
b4-sent, kvmarm, lkml
Subsystem:
arm64 port (aarch64 architecture), kernel virtual machine for arm64 (kvm/arm64), the rest · Maintainers:
Catalin Marinas, Will Deacon, Marc Zyngier, Oliver Upton, Linus Torvalds
From: Per Larsen <redacted> Prevent FFA_NOTIFICATION_* interfaces from being passed through to TZ. Acked-by: Will Deacon <will@kernel.org> Signed-off-by: Per Larsen <redacted> --- 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 8290396384a2a3294fd64bc0378459829941a64c..40a785b6ed063f9de31f51f1e82ebd9c70b13de9 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; }
--
2.51.0.rc1.167.g924127e9c0-goog