[v4,02/20] arm64: Add CNTPOFF_EL2 register definition

Message ID	20230330174800.2677007-3-maz@kernel.org (mailing list archive)
State	New, archived
Headers	show Return-Path: <kvm-owner@vger.kernel.org> From: Marc Zyngier <maz@kernel.org> To: kvmarm@lists.linux.dev, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: James Morse <james.morse@arm.com>, Suzuki K Poulose <suzuki.poulose@arm.com>, Oliver Upton <oliver.upton@linux.dev>, Zenghui Yu <yuzenghui@huawei.com>, Ricardo Koller <ricarkol@google.com>, Simon Veith <sveith@amazon.de>, Reiji Watanabe <reijiw@google.com>, Colton Lewis <coltonlewis@google.com>, Joey Gouly <joey.gouly@arm.com>, dwmw2@infradead.org Subject: [PATCH v4 02/20] arm64: Add CNTPOFF_EL2 register definition Date: Thu, 30 Mar 2023 18:47:42 +0100 Message-Id: <20230330174800.2677007-3-maz@kernel.org> In-Reply-To: <20230330174800.2677007-1-maz@kernel.org> References: <20230330174800.2677007-1-maz@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk
Series	KVM: arm64: Rework timer offsetting for fun and profit \| expand [v4,00/20] KVM: arm64: Rework timer offsetting for fun and profit [v4,01/20] KVM: arm64: timers: Use a per-vcpu, per-timer accumulator for fractional ns [v4,02/20] arm64: Add CNTPOFF_EL2 register definition [v4,03/20] arm64: Add HAS_ECV_CNTPOFF capability [v4,04/20] KVM: arm64: timers: Use CNTPOFF_EL2 to offset the physical timer [v4,05/20] KVM: arm64: timers: Allow physical offset without CNTPOFF_EL2 [v4,06/20] KVM: arm64: Expose {un,}lock_all_vcpus() to the rest of KVM [v4,07/20] KVM: arm64: timers: Allow userspace to set the global counter offset [v4,08/20] KVM: arm64: timers: Allow save/restoring of the physical timer [v4,09/20] KVM: arm64: timers: Rationalise per-vcpu timer init [v4,10/20] KVM: arm64: timers: Abstract per-timer IRQ access [v4,11/20] KVM: arm64: timers: Move the timer IRQs into arch_timer_vm_data [v4,12/20] KVM: arm64: Elide kern_hyp_va() in VHE-specific parts of the hypervisor [v4,13/20] KVM: arm64: timers: Fast-track CNTPCT_EL0 trap handling [v4,14/20] KVM: arm64: timers: Abstract the number of valid timers per vcpu [v4,15/20] KVM: arm64: Document KVM_ARM_SET_CNT_OFFSETS and co [v4,16/20] KVM: arm64: nv: timers: Add a per-timer, per-vcpu offset [v4,17/20] KVM: arm64: nv: timers: Support hyp timer emulation [v4,18/20] KVM: arm64: selftests: Add physical timer registers to the sysreg list [v4,19/20] KVM: arm64: selftests: Deal with spurious timer interrupts [v4,20/20] KVM: arm64: selftests: Augment existing timer test to handle variable offset

Message ID

20230330174800.2677007-3-maz@kernel.org (mailing list archive)

State

New, archived

Headers

From: Marc Zyngier <maz@kernel.org>
To: kvmarm@lists.linux.dev, kvm@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org
Cc: James Morse <james.morse@arm.com>,
        Suzuki K Poulose <suzuki.poulose@arm.com>,
        Oliver Upton <oliver.upton@linux.dev>,
        Zenghui Yu <yuzenghui@huawei.com>,
        Ricardo Koller <ricarkol@google.com>,
        Simon Veith <sveith@amazon.de>,
        Reiji Watanabe <reijiw@google.com>,
        Colton Lewis <coltonlewis@google.com>,
        Joey Gouly <joey.gouly@arm.com>, dwmw2@infradead.org
Subject: [PATCH v4 02/20] arm64: Add CNTPOFF_EL2 register definition
Date: Thu, 30 Mar 2023 18:47:42 +0100
Message-Id: <20230330174800.2677007-3-maz@kernel.org>
In-Reply-To: <20230330174800.2677007-1-maz@kernel.org>
References: <20230330174800.2677007-1-maz@kernel.org>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

Series

KVM: arm64: Rework timer offsetting for fun and profit | expand

Commit Message

Marc Zyngier March 30, 2023, 5:47 p.m. UTC

Add the definition for CNTPOFF_EL2 in the description file.

Reviewed-by: Colton Lewis <coltonlewis@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
---
 arch/arm64/tools/sysreg | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg
index dd5a9c7e310f..7063f1aacc54 100644
--- a/arch/arm64/tools/sysreg
+++ b/arch/arm64/tools/sysreg
@@ -1952,6 +1952,10 @@  Sysreg	CONTEXTIDR_EL2	3	4	13	0	1
 Fields	CONTEXTIDR_ELx
 EndSysreg
 
+Sysreg	CNTPOFF_EL2	3	4	14	0	6
+Field	63:0	PhysicalOffset
+EndSysreg
+
 Sysreg	CPACR_EL12	3	5	1	0	2
 Fields	CPACR_ELx
 EndSysreg

[v4,02/20] arm64: Add CNTPOFF_EL2 register definition

Commit Message

Patch