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From: Marc Zyngier <maz@kernel.org>
To: kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
	kvm@vger.kernel.org
Cc: Joey Gouly <joey.gouly@arm.com>,
	Suzuki K Poulose <suzuki.poulose@arm.com>,
	Oliver Upton <oliver.upton@linux.dev>,
	Zenghui Yu <yuzenghui@huawei.com>,
	Alexandru Elisei <alexandru.elisei@arm.com>,
	Mark Brown <broonie@kernel.org>
Subject: [PATCH v5 14/37] KVM: arm64: Add PIR{,E0}_EL2 to the sysreg arrays
Date: Wed, 23 Oct 2024 15:53:22 +0100	[thread overview]
Message-ID: <20241023145345.1613824-15-maz@kernel.org> (raw)
In-Reply-To: <20241023145345.1613824-1-maz@kernel.org>

Add the FEAT_S1PIE EL2 registers to the per-vcpu sysreg register
array.

Signed-off-by: Marc Zyngier <maz@kernel.org>
---
 arch/arm64/include/asm/kvm_host.h | 2 ++
 arch/arm64/kvm/sys_regs.c         | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h
index ca064af6cac21..1a5477181447c 100644
--- a/arch/arm64/include/asm/kvm_host.h
+++ b/arch/arm64/include/asm/kvm_host.h
@@ -471,6 +471,8 @@ enum vcpu_sysreg {
 	TTBR0_EL2,	/* Translation Table Base Register 0 (EL2) */
 	TTBR1_EL2,	/* Translation Table Base Register 1 (EL2) */
 	TCR_EL2,	/* Translation Control Register (EL2) */
+	PIRE0_EL2,	/* Permission Indirection Register 0 (EL2) */
+	PIR_EL2,	/* Permission Indirection Register 1 (EL2) */
 	SPSR_EL2,	/* EL2 saved program status register */
 	ELR_EL2,	/* EL2 exception link register */
 	AFSR0_EL2,	/* Auxiliary Fault Status Register 0 (EL2) */
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c
index 514b016d09764..a85f62baebfba 100644
--- a/arch/arm64/kvm/sys_regs.c
+++ b/arch/arm64/kvm/sys_regs.c
@@ -135,6 +135,8 @@ static bool get_el2_to_el1_mapping(unsigned int reg,
 		MAPPED_EL2_SYSREG(FAR_EL2,     FAR_EL1,     NULL	     );
 		MAPPED_EL2_SYSREG(MAIR_EL2,    MAIR_EL1,    NULL	     );
 		MAPPED_EL2_SYSREG(TCR2_EL2,    TCR2_EL1,    NULL	     );
+		MAPPED_EL2_SYSREG(PIR_EL2,     PIR_EL1,     NULL	     );
+		MAPPED_EL2_SYSREG(PIRE0_EL2,   PIRE0_EL1,   NULL	     );
 		MAPPED_EL2_SYSREG(AMAIR_EL2,   AMAIR_EL1,   NULL	     );
 		MAPPED_EL2_SYSREG(ELR_EL2,     ELR_EL1,	    NULL	     );
 		MAPPED_EL2_SYSREG(SPSR_EL2,    SPSR_EL1,    NULL	     );
-- 
2.39.2


  parent reply	other threads:[~2024-10-23 14:53 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-10-23 14:53 [PATCH v5 00/37] KVM: arm64: Add EL2 support to FEAT_S1PIE/S1POE Marc Zyngier
2024-10-23 14:53 ` [PATCH v5 01/37] arm64: Drop SKL0/SKL1 from TCR2_EL2 Marc Zyngier
2024-10-23 14:53 ` [PATCH v5 02/37] arm64: Remove VNCR definition for PIRE0_EL2 Marc Zyngier
2024-10-23 14:53 ` [PATCH v5 03/37] arm64: Add encoding " Marc Zyngier
2024-10-23 16:11   ` Mark Brown
2024-10-23 14:53 ` [PATCH v5 04/37] KVM: arm64: Drop useless struct s2_mmu in __kvm_at_s1e2() Marc Zyngier
2024-10-23 14:53 ` [PATCH v5 05/37] KVM: arm64: nv: Add missing EL2->EL1 mappings in get_el2_to_el1_mapping() Marc Zyngier
2024-10-23 14:53 ` [PATCH v5 06/37] KVM: arm64: nv: Handle CNTHCTL_EL2 specially Marc Zyngier
2024-10-23 14:53 ` [PATCH v5 07/37] KVM: arm64: nv: Save/Restore vEL2 sysregs Marc Zyngier
2024-10-23 14:53 ` [PATCH v5 08/37] KVM: arm64: Correctly access TCR2_EL1, PIR_EL1, PIRE0_EL1 with VHE Marc Zyngier
2024-10-24 10:03   ` Joey Gouly
2024-10-23 14:53 ` [PATCH v5 09/37] KVM: arm64: Extend masking facility to arbitrary registers Marc Zyngier
2024-10-24 10:38   ` Joey Gouly
2024-10-23 14:53 ` [PATCH v5 10/37] arm64: Define ID_AA64MMFR1_EL1.HAFDBS advertising FEAT_HAFT Marc Zyngier
2024-10-23 16:09   ` Mark Brown
2024-10-23 14:53 ` [PATCH v5 11/37] KVM: arm64: Add TCR2_EL2 to the sysreg arrays Marc Zyngier
2024-10-23 14:53 ` [PATCH v5 12/37] KVM: arm64: Sanitise TCR2_EL2 Marc Zyngier
2024-10-24 10:21   ` Joey Gouly
2024-10-23 14:53 ` [PATCH v5 13/37] KVM: arm64: Add save/restore for TCR2_EL2 Marc Zyngier
2024-10-23 14:53 ` Marc Zyngier [this message]
2024-10-23 14:53 ` [PATCH v5 15/37] KVM: arm64: Add save/restore for PIR{,E0}_EL2 Marc Zyngier
2024-10-23 14:53 ` [PATCH v5 16/37] KVM: arm64: Handle PIR{,E0}_EL2 traps Marc Zyngier
2024-10-23 14:53 ` [PATCH v5 17/37] KVM: arm64: Sanitise ID_AA64MMFR3_EL1 Marc Zyngier
2024-10-24 12:32   ` Mark Brown
2024-10-24 12:45     ` Joey Gouly
2024-10-24 12:55       ` Mark Brown
2024-10-23 14:53 ` [PATCH v5 18/37] KVM: arm64: Add AT fast-path support for S1PIE Marc Zyngier
2024-10-24 14:49   ` Joey Gouly
2024-10-23 14:53 ` [PATCH v5 19/37] KVM: arm64: Split S1 permission evaluation into direct and hierarchical parts Marc Zyngier
2024-10-23 14:53 ` [PATCH v5 20/37] KVM: arm64: Disable hierarchical permissions when S1PIE is enabled Marc Zyngier
2024-10-24 14:02   ` Joey Gouly
2024-10-23 14:53 ` [PATCH v5 21/37] KVM: arm64: Implement AT S1PIE support Marc Zyngier
2024-10-24 13:59   ` Joey Gouly
2024-10-24 14:21     ` Marc Zyngier
2024-10-23 14:53 ` [PATCH v5 22/37] KVM: arm64: Add a composite EL2 visibility helper Marc Zyngier
2024-10-23 14:53 ` [PATCH v5 23/37] KVM: arm64: Define helper for EL2 registers with custom visibility Marc Zyngier
2024-10-23 14:53 ` [PATCH v5 24/37] KVM: arm64: Hide TCR2_EL1 from userspace when disabled for guests Marc Zyngier
2024-10-23 14:53 ` [PATCH v5 25/37] KVM: arm64: Hide S1PIE registers " Marc Zyngier
2024-10-23 14:53 ` [PATCH v5 26/37] KVM: arm64: Rely on visibility to let PIR*_ELx/TCR2_ELx UNDEF Marc Zyngier
2024-10-23 14:53 ` [PATCH v5 27/37] arm64: Add encoding for POR_EL2 Marc Zyngier
2024-10-23 16:13   ` Mark Brown
2024-10-23 16:28     ` Marc Zyngier
2024-10-23 14:53 ` [PATCH v5 28/37] KVM: arm64: Drop bogus CPTR_EL2.E0POE trap routing Marc Zyngier
2024-10-23 14:53 ` [PATCH v5 29/37] KVM: arm64: Subject S1PIE/S1POE registers to HCR_EL2.{TVM,TRVM} Marc Zyngier
2024-10-23 14:53 ` [PATCH v5 30/37] KVM: arm64: Add kvm_has_s1poe() helper Marc Zyngier
2024-10-23 14:53 ` [PATCH v5 31/37] KVM: arm64: Add basic support for POR_EL2 Marc Zyngier
2024-10-23 14:53 ` [PATCH v5 32/37] KVM: arm64: Add save/restore " Marc Zyngier
2024-10-23 14:53 ` [PATCH v5 33/37] KVM: arm64: Add POE save/restore for AT emulation fast-path Marc Zyngier
2024-10-24 15:26   ` Joey Gouly
2024-10-23 14:53 ` [PATCH v5 34/37] KVM: arm64: Disable hierarchical permissions when POE is enabled Marc Zyngier
2024-10-24 15:36   ` Joey Gouly
2024-10-23 14:53 ` [PATCH v5 35/37] KVM: arm64: Make PAN conditions part of the S1 walk context Marc Zyngier
2024-10-23 14:53 ` [PATCH v5 36/37] KVM: arm64: Handle stage-1 permission overlays Marc Zyngier
2024-10-23 14:53 ` [PATCH v5 37/37] KVM: arm64: Handle WXN attribute Marc Zyngier
2024-10-31  3:04 ` [PATCH v5 00/37] KVM: arm64: Add EL2 support to FEAT_S1PIE/S1POE Oliver Upton

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