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 v8 3/7] KVM: arm64: Mark FFA_NOTIFICATION_* calls as unsupported
Date: Sat, 19 Jul 2025 02:11:25 +0000 [thread overview]
Message-ID: <20250719-virtio-msg-ffa-v8-3-03e8e8dbe856@google.com> (raw)
In-Reply-To: <20250719-virtio-msg-ffa-v8-0-03e8e8dbe856@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 52ac3e2689f0c200ebbb57ec564f71a37b0ddc8f..50ec52bcce4b4443c2f3ffeda455594733f3a5a0 100644
--- a/arch/arm64/kvm/hyp/nvhe/ffa.c
+++ b/arch/arm64/kvm/hyp/nvhe/ffa.c
@@ -663,6 +663,14 @@ 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:[~2025-07-19 2:14 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-19 2:11 [PATCH v8 0/7] KVM: arm64: Support FF-A 1.2 and SEND_DIRECT2 ABI Per Larsen via B4 Relay
2025-07-19 2:11 ` [PATCH v8 1/7] KVM: arm64: Correct return value on host version downgrade attempt Per Larsen via B4 Relay
2025-07-19 2:11 ` [PATCH v8 2/7] KVM: arm64: Use SMCCC 1.2 for FF-A initialization and in host handler Per Larsen via B4 Relay
2025-07-19 2:11 ` Per Larsen via B4 Relay [this message]
2025-07-19 2:11 ` [PATCH v8 4/7] KVM: arm64: Mark optional FF-A 1.2 interfaces as unsupported Per Larsen via B4 Relay
2025-07-29 15:45 ` Will Deacon
2025-07-19 2:11 ` [PATCH v8 5/7] KVM: arm64: Mask response to FFA_FEATURE call Per Larsen via B4 Relay
2025-07-29 15:46 ` Will Deacon
2025-07-19 2:11 ` [PATCH v8 6/7] KVM: arm64: Bump the supported version of FF-A to 1.2 Per Larsen via B4 Relay
2025-07-29 15:49 ` Will Deacon
2025-07-19 2:11 ` [PATCH v8 7/7] KVM: arm64: Support FFA_MSG_SEND_DIRECT_REQ2 in host handler Per Larsen via B4 Relay
2025-07-29 15:54 ` Will Deacon
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20250719-virtio-msg-ffa-v8-3-03e8e8dbe856@google.com \
--to=devnull+perlarsen.google.com@kernel.org \
--cc=ahomescu@google.com \
--cc=armellel@google.com \
--cc=arve@android.com \
--cc=ayrton@google.com \
--cc=catalin.marinas@arm.com \
--cc=joey.gouly@arm.com \
--cc=kvmarm@lists.linux.dev \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=maz@kernel.org \
--cc=oliver.upton@linux.dev \
--cc=perlarsen@google.com \
--cc=qperret@google.com \
--cc=qwandor@google.com \
--cc=sebastianene@google.com \
--cc=sudeep.holla@arm.com \
--cc=suzuki.poulose@arm.com \
--cc=will@kernel.org \
--cc=yuzenghui@huawei.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).