From patchwork Fri Dec 20 14:30:11 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Murray X-Patchwork-Id: 182292 Delivered-To: patch@linaro.org Received: by 2002:a92:1f98:0:0:0:0:0 with SMTP id f24csp611314ilf; Fri, 20 Dec 2019 06:34:56 -0800 (PST) X-Google-Smtp-Source: APXvYqxgOeXDQXm9+bXkJH5rxwCkuwbtoCw8sR9fiWelSO44zL81i7iiDeh39CezJMHsi4NuahZB X-Received: by 2002:aca:53c6:: with SMTP id h189mr4058795oib.11.1576852496532; Fri, 20 Dec 2019 06:34:56 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1576852496; cv=none; d=google.com; s=arc-20160816; b=p5Mce/EgVw0gZXYV5LJNaWx2BhKUL8Nb2wC9/pudp10s4cJiMixPhp6QD9tQUjvmhY 1xIy7zvVdbJQCSUW3gyfKWIzvxDHSIF3fhQsQlPZZ6eOYkOOIcrKIxETgKfu9Br5pawH IMxenqHOq/LBvNHhqy/UrG7w/Jv6nEYdfCIEP8sWixfdypo6AJU0OyW712fByyCmuVHf pnmgpMjnACL51YL0zx0K0KrXmhbkg+BcliDduSuUD1+NsZXFZ8bZEzC/fktKIa52pEID BIO/oCJO+/HxNXBTztRVcbigW7+iM2rMw2OfpxaoMVguhSMNMnBFe5LpvRW+cgLRiPBc I31Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from; bh=Vs/H7VBklGiw49nsVlases4Qdp7j/djRRpwFU+fxpoc=; b=Fc4YqxAhvoluxjV7ieL3CPG5x/N4iTkH4HKCZlrAlKe/WrkKsfkTHle2SqdIIEv2ol KfoyPAWCLPR/zlqSAHw9bfL6g9MohDPIKUxBoZ+z/jaNp5kDmpdkx6sMs/RElgahrIW0 illpQumXAqRiIhRrCscsQ3CJJO9ACF3Ez0VEfxbOgZVP+Fqa+eyir2WMUJpdOp6y0RHQ EL9YVHxd8XJwhVi6dCx2G/wxrhS11eLpHUem05Yp6JZtNCN700Jj9FNKACelXzjOOJq1 zpWatwVnvBtRvARCXB+5/TQRhUNkf2zf6KUkVz8PWx6koZ8BS+AwOQEdRLfPnv5M2vTk wAoQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id w64si4972237oib.185.2019.12.20.06.34.56; Fri, 20 Dec 2019 06:34:56 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728080AbfLTOdT (ORCPT + 27 others); 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 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(+) -- 2.21.0 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 },