linux-kernel - [PATCH v3 14/21] KVM: arm64: Add newly allocated ID registers to register descriptions

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Message-Id: <20231205-arm64-2023-dpisa-v3-14-dbcbcd867a7f@kernel.org>
Date:   Tue, 05 Dec 2023 16:48:12 +0000
From:   Mark Brown <broonie@...nel.org>
To:     Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>, Marc Zyngier <maz@...nel.org>,
        Oliver Upton <oliver.upton@...ux.dev>,
        James Morse <james.morse@....com>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Jonathan Corbet <corbet@....net>, Shuah Khan <shuah@...nel.org>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        kvmarm@...ts.linux.dev, linux-doc@...r.kernel.org,
        linux-kselftest@...r.kernel.org, Mark Brown <broonie@...nel.org>
Subject: [PATCH v3 14/21] KVM: arm64: Add newly allocated ID registers to
 register descriptions

The 2023 architecture extensions have allocated some new ID registers, add
them to the KVM system register descriptions so that they are visible to
guests.

Signed-off-by: Mark Brown <broonie@...nel.org>
---
 arch/arm64/kvm/sys_regs.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c
index 4735e1b37fb3..b843da5e4bb9 100644
--- a/arch/arm64/kvm/sys_regs.c
+++ b/arch/arm64/kvm/sys_regs.c
@@ -2139,12 +2139,12 @@ static const struct sys_reg_desc sys_reg_descs[] = {
 		   ID_AA64PFR0_EL1_AdvSIMD |
 		   ID_AA64PFR0_EL1_FP), },
 	ID_SANITISED(ID_AA64PFR1_EL1),
-	ID_UNALLOCATED(4,2),
+	ID_SANITISED(ID_AA64PFR2_EL1),
 	ID_UNALLOCATED(4,3),
 	ID_WRITABLE(ID_AA64ZFR0_EL1, ~ID_AA64ZFR0_EL1_RES0),
 	ID_HIDDEN(ID_AA64SMFR0_EL1),
 	ID_UNALLOCATED(4,6),
-	ID_UNALLOCATED(4,7),
+	ID_SANITISED(ID_AA64FPFR0_EL1),
 
 	/* CRm=5 */
 	{ SYS_DESC(SYS_ID_AA64DFR0_EL1),
@@ -2171,7 +2171,7 @@ static const struct sys_reg_desc sys_reg_descs[] = {
 	ID_WRITABLE(ID_AA64ISAR2_EL1, ~(ID_AA64ISAR2_EL1_RES0 |
 					ID_AA64ISAR2_EL1_APA3 |
 					ID_AA64ISAR2_EL1_GPA3)),
-	ID_UNALLOCATED(6,3),
+	ID_WRITABLE(ID_AA64ISAR3_EL1, ~ID_AA64ISAR3_EL1_RES0),
 	ID_UNALLOCATED(6,4),
 	ID_UNALLOCATED(6,5),
 	ID_UNALLOCATED(6,6),

-- 
2.30.2