From patchwork Tue Sep 19 03:53:36 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anup Patel X-Patchwork-Id: 13390685 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 10AEBCD3434 for ; Tue, 19 Sep 2023 03:54:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231388AbjISDyD (ORCPT ); Mon, 18 Sep 2023 23:54:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53912 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231278AbjISDyC (ORCPT ); Mon, 18 Sep 2023 23:54:02 -0400 Received: from mail-oi1-x236.google.com (mail-oi1-x236.google.com [IPv6:2607:f8b0:4864:20::236]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4B6B5102 for ; Mon, 18 Sep 2023 20:53:56 -0700 (PDT) Received: by mail-oi1-x236.google.com with SMTP id 5614622812f47-3aa1446066aso3642217b6e.1 for ; Mon, 18 Sep 2023 20:53:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ventanamicro.com; s=google; t=1695095635; x=1695700435; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=Rvg3SR+EIFOsYy/qoodlQ+dG3JVvlqb84MODfhL50Kc=; b=JbPJU5nnSbZaYZRt/oSridjA3Sc5nGiFWsmhl2f4b9Scu0J0+1j+n46ahtGANrMbf9 3430+ft1eqOnzQdd5Y016/Co+b35IwhN9oyoxmw6Uy8y/EEH+vnxFWBwRk3fL+QkXxCS OAFpeE83shtFUk6E2B8Mz2dji+brCY8PUJBEtCtrxZbUnoJUh1eqe6Js7w1gB7+M6S/A RL4knlAjhS4knF40tpkS+AMYTw4nZL51u/JoHGFfhid3JSrvTlV+7OCNACimSRs1f278 jl/fsewlsqJ6Rf4591gOqOSwmAh4ce2ZtGSdqReZomoft1xZJ7GG/FIG8ConRuL2VLKe ipbA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695095635; x=1695700435; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=Rvg3SR+EIFOsYy/qoodlQ+dG3JVvlqb84MODfhL50Kc=; b=Cr+p9uXt+5JJrmG9hBduAKHINU/Kfx9nqZD2KcHvPXP9vmI7dehCWtuLpnATjgdJxO Bp+bFzIdIZi9kb3F+jI1Yby/d2jGfN0JLi6jALJCSBFRSw80352FLi6GTEWURzPks3Z/ vTQSC94PVKWbAAGOtF6ab/CsHcBQ+VLnbC15RwkOiaR93ApVss4QWJ1RFPjJsfo/5mia gQpHPxFtIozt1xpleSKxVfpjzwefNW24yj9ape7GsrVRj2boSaY19uOQ39NnuxhWTR7q +6/BW+Uop8m0Tx6VkI8GgBmpWQaafDyJfnj4jQU0uN5oaUDQgqMMESap64xw+8fuacPZ 6UFQ== X-Gm-Message-State: AOJu0YwJRQknZkjcKXSaGiKfGtaPdfBbT5r31zV9wbs8bZ+9771ZHbzD Tr6c21OplEJKx6AtjVvEcmE6hfm17eQCn1idHtVqBg== X-Google-Smtp-Source: AGHT+IHSFRjaMNl5z6gZsQCX5N7BoHMId7wpAKCC/vOe9wh+dDpFGMxbeXkA8oaPp9V2562aa7na1w== X-Received: by 2002:a05:6808:b0c:b0:3a9:c25d:176a with SMTP id s12-20020a0568080b0c00b003a9c25d176amr12387561oij.36.1695095635453; Mon, 18 Sep 2023 20:53:55 -0700 (PDT) Received: from anup-ubuntu-vm.localdomain ([103.97.165.210]) by smtp.gmail.com with ESMTPSA id 3-20020a17090a034300b00273fc850342sm4000802pjf.20.2023.09.18.20.53.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 18 Sep 2023 20:53:54 -0700 (PDT) From: Anup Patel To: Paolo Bonzini , Atish Patra , Palmer Dabbelt , Paul Walmsley , Conor Dooley , Rob Herring , Krzysztof Kozlowski , Shuah Khan Cc: Andrew Jones , Mayuresh Chitale , devicetree@vger.kernel.org, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, Anup Patel Subject: [PATCH 0/7] KVM RISC-V Conditional Operations Date: Tue, 19 Sep 2023 09:23:36 +0530 Message-Id: <20230919035343.1399389-1-apatel@ventanamicro.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org This series extends KVM RISC-V to allow Guest/VM discover and use conditional operations related ISA extensions (namely XVentanaCondOps and Zicond). To try these patches, use KVMTOOL from riscv_zbx_zicntr_smstateen_condops_v1 branch at: https://github.com/avpatel/kvmtool.git These patches are based upon the latest riscv_kvm_queue and can also be found in the riscv_kvm_condops_v1 branch at: https://github.com/avpatel/linux.git Anup Patel (7): RISC-V: Detect XVentanaCondOps from ISA string RISC-V: Detect Zicond from ISA string RISC-V: KVM: Allow XVentanaCondOps extension for Guest/VM RISC-V: KVM: Allow Zicond extension for Guest/VM KVM: riscv: selftests: Add senvcfg register to get-reg-list test KVM: riscv: selftests: Add smstateen registers to get-reg-list test KVM: riscv: selftests: Add condops extensions to get-reg-list test .../devicetree/bindings/riscv/extensions.yaml | 13 ++++++ arch/riscv/include/asm/hwcap.h | 2 + arch/riscv/include/uapi/asm/kvm.h | 2 + arch/riscv/kernel/cpufeature.c | 2 + arch/riscv/kvm/vcpu_onereg.c | 4 ++ .../selftests/kvm/riscv/get-reg-list.c | 41 +++++++++++++++++++ 6 files changed, 64 insertions(+)