From: Per Larsen via B4 Relay <devnull+perlarsen.google.com@kernel.org>
To: Marc Zyngier <maz@kernel.org>,
Oliver Upton <oliver.upton@linux.dev>,
Joey Gouly <joey.gouly@arm.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Zenghui Yu <yuzenghui@huawei.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>,
Sudeep Holla <sudeep.holla@arm.com>
Cc: linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev,
linux-kernel@vger.kernel.org, ahomescu@google.com,
armellel@google.com, arve@android.com, ayrton@google.com,
qperret@google.com, sebastianene@google.com, qwandor@google.com,
Per Larsen <perlarsen@google.com>
Subject: [PATCH v11 4/6] KVM: arm64: Mark optional FF-A 1.2 interfaces as unsupported
Date: Wed, 20 Aug 2025 01:10:08 +0000 [thread overview]
Message-ID: <20250820-virtio-msg-ffa-v11-4-497ef43550a3@google.com> (raw)
In-Reply-To: <20250820-virtio-msg-ffa-v11-0-497ef43550a3@google.com>
From: Per Larsen <perlarsen@google.com>
Mark FF-A 1.2 interfaces as unsupported lest they get proxied.
Acked-by: Will Deacon <will@kernel.org>
Signed-off-by: Per Larsen <perlarsen@google.com>
---
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
next prev parent reply other threads:[~2025-08-20 1:10 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-20 1:10 [PATCH v11 0/6] KVM: arm64: Support FF-A 1.2 Per Larsen via B4 Relay
2025-08-20 1:10 ` [PATCH v11 1/6] KVM: arm64: Correct return value on host version downgrade attempt Per Larsen via B4 Relay
2025-08-20 1:10 ` [PATCH v11 2/6] KVM: arm64: Use SMCCC 1.2 for FF-A initialization and in host handler Per Larsen via B4 Relay
2025-09-08 14:38 ` Will Deacon
2025-08-20 1:10 ` [PATCH v11 3/6] KVM: arm64: Mark FFA_NOTIFICATION_* calls as unsupported Per Larsen via B4 Relay
2025-08-20 1:10 ` Per Larsen via B4 Relay [this message]
2025-08-20 1:10 ` [PATCH v11 5/6] KVM: arm64: Mask response to FFA_FEATURE call Per Larsen via B4 Relay
2025-08-20 1:10 ` [PATCH v11 6/6] KVM: arm64: Bump the supported version of FF-A to 1.2 Per Larsen via B4 Relay
2025-09-08 14:39 ` [PATCH v11 0/6] KVM: arm64: Support FF-A 1.2 Will Deacon
2025-09-15 9:53 ` Marc Zyngier
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