linux-kernel - [PATCH v9 01/30] arm64/sysreg: Update SMIDR

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Message-Id: <20251223-kvm-arm64-sme-v9-1-8be3867cb883@kernel.org>
Date: Tue, 23 Dec 2025 01:20:55 +0000
From: Mark Brown <broonie@...nel.org>
To: Marc Zyngier <maz@...nel.org>, Joey Gouly <joey.gouly@....com>, 
 Catalin Marinas <catalin.marinas@....com>, 
 Suzuki K Poulose <suzuki.poulose@....com>, Will Deacon <will@...nel.org>, 
 Paolo Bonzini <pbonzini@...hat.com>, Jonathan Corbet <corbet@....net>, 
 Shuah Khan <shuah@...nel.org>, Oliver Upton <oupton@...nel.org>
Cc: Dave Martin <Dave.Martin@....com>, Fuad Tabba <tabba@...gle.com>, 
 Mark Rutland <mark.rutland@....com>, Ben Horgan <ben.horgan@....com>, 
 linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.linux.dev, 
 linux-kernel@...r.kernel.org, kvm@...r.kernel.org, 
 linux-doc@...r.kernel.org, linux-kselftest@...r.kernel.org, 
 Peter Maydell <peter.maydell@...aro.org>, 
 Eric Auger <eric.auger@...hat.com>, Mark Brown <broonie@...nel.org>
Subject: [PATCH v9 01/30] arm64/sysreg: Update SMIDR_EL1 to DDI0601 2025-06

Update the definiton of SMIDR_EL1 in the sysreg definition to reflect the
information in DD0601 2025-06. This includes somewhat more generic ways of
describing the sharing of SMCUs, more information on supported priorities
and provides additional resolution for describing affinity groups.

Signed-off-by: Mark Brown <broonie@...nel.org>
---
 arch/arm64/tools/sysreg | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg
index 8921b51866d6..6bf143bfe57c 100644
--- a/arch/arm64/tools/sysreg
+++ b/arch/arm64/tools/sysreg
@@ -3660,11 +3660,15 @@ Field	3:0	BS
 EndSysreg
 
 Sysreg	SMIDR_EL1	3	1	0	0	6
-Res0	63:32
+Res0	63:60
+Field	59:56	NSMC
+Field	55:52	HIP
+Field	51:32	AFFINITY2
 Field	31:24	IMPLEMENTER
 Field	23:16	REVISION
 Field	15	SMPS
-Res0	14:12
+Field	14:13	SH
+Res0	12
 Field	11:0	AFFINITY
 EndSysreg
 

-- 
2.47.3