[PATCH v11 4/6] KVM: arm64: Mark optional FF-A 1.2 interfaces 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> Mark FF-A 1.2 interfaces as unsupported lest they get proxied. Acked-by: Will Deacon <will@kernel.org> Signed-off-by: Per Larsen <redacted> --- arch/arm64/kvm/hyp/nvhe/ffa.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/arch/arm64/kvm/hyp/nvhe/ffa.c b/arch/arm64/kvm/hyp/nvhe/ffa.c
index 40a785b6ed063f9de31f51f1e82ebd9c70b13de9..96109aa99c48741e45a2b85d8e7bf26440597398 100644
--- a/arch/arm64/kvm/hyp/nvhe/ffa.c
+++ b/arch/arm64/kvm/hyp/nvhe/ffa.c@@ -678,6 +678,11 @@ static bool ffa_call_supported(u64 func_id) case FFA_NOTIFICATION_SET: case FFA_NOTIFICATION_GET: case FFA_NOTIFICATION_INFO_GET: + /* Optional interfaces added in FF-A 1.2 */ + case FFA_MSG_SEND_DIRECT_REQ2: /* Optional per 7.5.1 */ + case FFA_MSG_SEND_DIRECT_RESP2: /* Optional per 7.5.1 */ + case FFA_CONSOLE_LOG: /* Optional per 13.1: not in Table 13.1 */ + case FFA_PARTITION_INFO_GET_REGS: /* Optional for virtual instances per 13.1 */ return false; }
--
2.51.0.rc1.167.g924127e9c0-goog