From: Per Larsen <perlarsen@google.com>
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, sebastianene@google.com,
qperret@google.com, qwandor@google.com, arve@android.com,
perl@immunant.com, lpieralisi@kernel.org,
kernel-team@android.com, tabba@google.com, james.morse@arm.com,
armellel@google.com, jean-philippe@linaro.org,
ahomescu@google.com, Per Larsen <perlarsen@google.com>
Subject: [PATCH v4 3/5] KVM: arm64: Mark FFA_NOTIFICATION_* calls as unsupported
Date: Fri, 16 May 2025 12:14:02 +0000 [thread overview]
Message-ID: <20250516-virtio-msg-ffa-v4-3-580ee70e5081@google.com> (raw)
In-Reply-To: <20250516-virtio-msg-ffa-v4-0-580ee70e5081@google.com>
Prevent FFA_NOTIFICATION_* interfaces from being passed through to TZ.
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 b3d016bee404ce3f8c72cc57befb4ef4e6c1657f..a545d25002c85b79a8d281739479dab7838a7cd3 100644
--- a/arch/arm64/kvm/hyp/nvhe/ffa.c
+++ b/arch/arm64/kvm/hyp/nvhe/ffa.c
@@ -632,6 +632,14 @@ 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;
}
--
2.49.0.1101.gccaa498523-goog
WARNING: multiple messages have this Message-ID (diff)
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, sebastianene@google.com,
qperret@google.com, qwandor@google.com, arve@android.com,
perl@immunant.com, lpieralisi@kernel.org,
kernel-team@android.com, tabba@google.com, james.morse@arm.com,
armellel@google.com, jean-philippe@linaro.org,
ahomescu@google.com, Per Larsen <perlarsen@google.com>
Subject: [PATCH v4 3/5] KVM: arm64: Mark FFA_NOTIFICATION_* calls as unsupported
Date: Fri, 16 May 2025 12:14:02 +0000 [thread overview]
Message-ID: <20250516-virtio-msg-ffa-v4-3-580ee70e5081@google.com> (raw)
In-Reply-To: <20250516-virtio-msg-ffa-v4-0-580ee70e5081@google.com>
From: Per Larsen <perlarsen@google.com>
Prevent FFA_NOTIFICATION_* interfaces from being passed through to TZ.
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 b3d016bee404ce3f8c72cc57befb4ef4e6c1657f..a545d25002c85b79a8d281739479dab7838a7cd3 100644
--- a/arch/arm64/kvm/hyp/nvhe/ffa.c
+++ b/arch/arm64/kvm/hyp/nvhe/ffa.c
@@ -632,6 +632,14 @@ 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;
}
--
2.49.0.1101.gccaa498523-goog
next prev parent reply other threads:[~2025-05-16 12:14 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-16 12:13 [PATCH v4 0/5] KVM: arm64: Support FF-A 1.2 and SEND_DIRECT2 ABI Per Larsen
2025-05-16 12:13 ` Per Larsen via B4 Relay
2025-05-16 12:14 ` [PATCH v4 1/5] KVM: arm64: Restrict FF-A host version renegotiation Per Larsen
2025-05-16 12:14 ` Per Larsen via B4 Relay
2025-05-29 9:54 ` Will Deacon
2025-05-16 12:14 ` [PATCH v4 2/5] KVM: arm64: Zero x4-x7 in ffa_set_retval Per Larsen
2025-05-16 12:14 ` Per Larsen via B4 Relay
2025-05-29 12:17 ` Will Deacon
2025-05-16 12:14 ` Per Larsen [this message]
2025-05-16 12:14 ` [PATCH v4 3/5] KVM: arm64: Mark FFA_NOTIFICATION_* calls as unsupported Per Larsen via B4 Relay
2025-05-29 12:05 ` Will Deacon
2025-05-16 12:14 ` [PATCH v4 4/5] KVM: arm64: Bump the supported version of FF-A to 1.2 Per Larsen
2025-05-16 12:14 ` Per Larsen via B4 Relay
2025-05-16 12:14 ` [PATCH v4 5/5] KVM: arm64: Support FFA_MSG_SEND_DIRECT_REQ2 in host handler Per Larsen
2025-05-16 12:14 ` Per Larsen via B4 Relay
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