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 v7 3/5] KVM: arm64: Mark FFA_NOTIFICATION_* calls as unsupported
Date: Tue, 01 Jul 2025 22:06:36 +0000 [thread overview]
Message-ID: <20250701-virtio-msg-ffa-v7-3-995afc3d385e@google.com> (raw)
In-Reply-To: <20250701-virtio-msg-ffa-v7-0-995afc3d385e@google.com>
From: Per Larsen <perlarsen@google.com>
Prevent FFA_NOTIFICATION_* interfaces from being passed through to TZ.
Acked-by: Will Deacon <will@kernel.org>
Signed-off-by: Per Larsen <perlarsen@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
next prev parent reply other threads:[~2025-07-01 22:06 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-01 22:06 [PATCH v7 0/5] KVM: arm64: Support FF-A 1.2 and SEND_DIRECT2 ABI Per Larsen via B4 Relay
2025-07-01 22:06 ` [PATCH v7 1/5] KVM: arm64: Correct return value on host version downgrade attempt Per Larsen via B4 Relay
2025-07-01 22:06 ` [PATCH v7 2/5] KVM: arm64: Use SMCCC 1.2 for FF-A initialization and in host handler Per Larsen via B4 Relay
2025-07-03 12:38 ` Marc Zyngier
2025-07-08 0:06 ` Per Larsen
2025-07-18 13:37 ` Will Deacon
2025-07-19 5:54 ` Per Larsen
2025-07-21 11:01 ` Arve Hjønnevåg
2025-07-22 0:20 ` Per Larsen
2025-07-22 15:55 ` Will Deacon
2025-07-22 16:37 ` Sudeep Holla
2025-07-01 22:06 ` Per Larsen via B4 Relay [this message]
2025-07-01 22:06 ` [PATCH v7 4/5] KVM: arm64: Bump the supported version of FF-A to 1.2 Per Larsen via B4 Relay
2025-07-18 13:45 ` Will Deacon
2025-07-31 7:56 ` Marc Zyngier
2025-08-05 14:49 ` Will Deacon
2025-07-01 22:06 ` [PATCH v7 5/5] KVM: arm64: Support FFA_MSG_SEND_DIRECT_REQ2 in host handler Per Larsen via B4 Relay
2025-07-18 13:53 ` Will Deacon
2025-07-21 11:13 ` Arve Hjønnevåg
2025-07-21 22:43 ` Per Larsen
2025-07-22 15:03 ` Will Deacon
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