From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7316BC2D0D2 for ; Fri, 20 Dec 2019 14:33:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 545B621D7E for ; Fri, 20 Dec 2019 14:33:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728080AbfLTOdT (ORCPT ); Fri, 20 Dec 2019 09:33:19 -0500 Received: from foss.arm.com ([217.140.110.172]:51206 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727815AbfLTOal (ORCPT ); Fri, 20 Dec 2019 09:30:41 -0500 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 1304311FB; Fri, 20 Dec 2019 06:30:41 -0800 (PST) Received: from e119886-lin.cambridge.arm.com (unknown [10.37.6.20]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 39E3A3F718; Fri, 20 Dec 2019 06:30:39 -0800 (PST) From: Andrew Murray To: Marc Zyngier , Catalin Marinas , Will Deacon Cc: Sudeep Holla , kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Mark Rutland Subject: [PATCH v2 04/18] arm64: KVM: add SPE system registers to sys_reg_descs Date: Fri, 20 Dec 2019 14:30:11 +0000 Message-Id: <20191220143025.33853-5-andrew.murray@arm.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20191220143025.33853-1-andrew.murray@arm.com> References: <20191220143025.33853-1-andrew.murray@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Sudeep Holla Add the Statistical Profiling Extension(SPE) Profiling Buffer controls registers such that we can provide initial register values and use the sys_regs structure as a store for our SPE context. Signed-off-by: Sudeep Holla [ Reword commit, remove access/reset handlers, defer kvm_arm_support_spe_v1 ] Signed-off-by: Andrew Murray --- arch/arm64/include/asm/kvm_host.h | 12 ++++++++++++ arch/arm64/kvm/sys_regs.c | 11 +++++++++++ 2 files changed, 23 insertions(+) diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index f5dcff912645..9eb85f14df90 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -145,6 +145,18 @@ enum vcpu_sysreg { MDCCINT_EL1, /* Monitor Debug Comms Channel Interrupt Enable Reg */ DISR_EL1, /* Deferred Interrupt Status Register */ + /* Statistical Profiling Extension Registers */ + PMSCR_EL1, + PMSICR_EL1, + PMSIRR_EL1, + PMSFCR_EL1, + PMSEVFR_EL1, + PMSLATFR_EL1, + PMSIDR_EL1, + PMBLIMITR_EL1, + PMBPTR_EL1, + PMBSR_EL1, + /* Performance Monitors Registers */ PMCR_EL0, /* Control Register */ PMSELR_EL0, /* Event Counter Selection Register */ diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c index 46822afc57e0..955b157f9cc5 100644 --- a/arch/arm64/kvm/sys_regs.c +++ b/arch/arm64/kvm/sys_regs.c @@ -1506,6 +1506,17 @@ static const struct sys_reg_desc sys_reg_descs[] = { { SYS_DESC(SYS_FAR_EL1), access_vm_reg, reset_unknown, FAR_EL1 }, { SYS_DESC(SYS_PAR_EL1), NULL, reset_unknown, PAR_EL1 }, + { SYS_DESC(SYS_PMSCR_EL1), NULL, reset_val, PMSCR_EL1, 0 }, + { SYS_DESC(SYS_PMSICR_EL1), NULL, reset_val, PMSICR_EL1, 0 }, + { SYS_DESC(SYS_PMSIRR_EL1), NULL, reset_val, PMSIRR_EL1, 0 }, + { SYS_DESC(SYS_PMSFCR_EL1), NULL, reset_val, PMSFCR_EL1, 0 }, + { SYS_DESC(SYS_PMSEVFR_EL1), NULL, reset_val, PMSEVFR_EL1, 0 }, + { SYS_DESC(SYS_PMSLATFR_EL1), NULL, reset_val, PMSLATFR_EL1, 0 }, + { SYS_DESC(SYS_PMSIDR_EL1), NULL, reset_val, PMSIDR_EL1, 0 }, + { SYS_DESC(SYS_PMBLIMITR_EL1), NULL, reset_val, PMBLIMITR_EL1, 0 }, + { SYS_DESC(SYS_PMBPTR_EL1), NULL, reset_val, PMBPTR_EL1, 0 }, + { SYS_DESC(SYS_PMBSR_EL1), NULL, reset_val, PMBSR_EL1, 0 }, + { SYS_DESC(SYS_PMINTENSET_EL1), access_pminten, reset_unknown, PMINTENSET_EL1 }, { SYS_DESC(SYS_PMINTENCLR_EL1), access_pminten, NULL, PMINTENSET_EL1 }, -- 2.21.0