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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0C387C001B0 for ; Mon, 24 Jul 2023 14:20:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230511AbjGXOUw (ORCPT ); Mon, 24 Jul 2023 10:20:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48276 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231150AbjGXOUv (ORCPT ); Mon, 24 Jul 2023 10:20:51 -0400 Received: from mail-pl1-x634.google.com (mail-pl1-x634.google.com [IPv6:2607:f8b0:4864:20::634]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1A90810F7 for ; Mon, 24 Jul 2023 07:20:45 -0700 (PDT) Received: by mail-pl1-x634.google.com with SMTP id d9443c01a7336-1bba2318546so8301855ad.1 for ; Mon, 24 Jul 2023 07:20:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ventanamicro.com; s=google; t=1690208444; x=1690813244; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=r/NAzuvfxiEpEq6CMn2lCFVPQSrZGs+fqFSkZbzWeu4=; b=l8MB2fLS10a4c8McBUbUrPLQj68WxDBmBHucCsLXqt18rJ//cfoPF273c6bif4bQJo FjRt8iQ3f+GyHYdevb0xrgra3HKOo08fhfFhpudghR2jIb5S8Kt0wdQperaiJYwNbA79 hc2dFq1kHwUTurcukxTFIMgQ3pItNei2F0tZX8k/cfdZl5hEBF+nxLTBjBq4FCDb40vT e0pdMqf1JaA36B1pupctPiO9Z4fo+fi7BCJ1vd8te1BqMO59KTKrtKDOMEIXhtdXsCqO 0983HV3peltiC2P70OSxoENfdYPwk3IkXnUu2l0A/y8j4dayrLu2wt6ku07uTPQf3Ah1 ZocQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690208444; x=1690813244; 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=r/NAzuvfxiEpEq6CMn2lCFVPQSrZGs+fqFSkZbzWeu4=; b=YL5B8xpv0sS4o2jwFkNeabeV/ilKb7pQxwsqnQxsc3YkYUrv3qoONfFRIH2t3RROsb bwtwtotGDlyg9xonkO5Rx7pdTZERSORnPDmVZlNwvdbkoTbt9b4Dn7+C/ToZvzdgihqx qCSsXTwRll4Nt0V0GFMHXYbeA6Zl/pSnN+bXCZiOvK8qzbcg20u7yZt6+/p4nu4UyOZZ 9KwHFo5fLDF6Rfyf1Td+UVpfvWuFYv7qc3eqfTExCSY4bbQxmskdL0rhSFGgPyPjfbdg /XxkCxBlti9QDamGKT4hCzV7Z02NMvXU518w0RRGcZN020T91WJP0SUqyXQaMz87P8Zo 0Qog== X-Gm-Message-State: ABy/qLZ2XhG1Ud1bEABSkAW+4qcwfFRUmQf4dxeHP4vHyyV1RoezgGvh cfWjMDCuhRmW6pQvj4kIVNTjxg== X-Google-Smtp-Source: APBJJlFqcRGV6PhYOQp/isaMOZE86UMn6cXlnsirdZYD5qcMh6jBsq/3Ca0basWId+/dR/h1hNihvg== X-Received: by 2002:a17:902:b18d:b0:1b8:b285:ec96 with SMTP id s13-20020a170902b18d00b001b8b285ec96mr11214680plr.23.1690208444428; Mon, 24 Jul 2023 07:20:44 -0700 (PDT) Received: from mchitale-vm.. ([103.97.165.210]) by smtp.googlemail.com with ESMTPSA id s10-20020a170902a50a00b001b8307c81c8sm9009821plq.121.2023.07.24.07.20.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jul 2023 07:20:43 -0700 (PDT) From: Mayuresh Chitale To: Palmer Dabbelt , Anup Patel Cc: Mayuresh Chitale , Andrew Jones , Atish Patra , Paul Walmsley , Albert Ou , linux-riscv@lists.infradead.org, kvm-riscv@lists.infradead.org, Conor Dooley , Krzysztof Kozlowski , Rob Herring , devicetree@vger.kernel.org Subject: [PATCH v3 0/7] Risc-V Kvm Smstateen Date: Mon, 24 Jul 2023 19:50:26 +0530 Message-Id: <20230724142033.306538-1-mchitale@ventanamicro.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This series adds support to detect the Smstateen extension for both, the host and the guest vcpu. It also adds senvcfg and sstateen0 to the ONE_REG interface and the vcpu context save/restore. Changes in v3: - Move DT bindings change to a separate patch Changes in v2: - Add smstaeen description in riscv/extensions.yaml - Avoid line wrap at 80 chars Mayuresh Chitale (7): RISC-V: Detect Smstateen extension dt-bindings: riscv: Add smstateen entry RISC-V: KVM: Add kvm_vcpu_config RISC-V: KVM: Enable Smstateen accesses RISCV: KVM: Add senvcfg context save/restore RISCV: KVM: Add sstateen0 context save/restore RISCV: KVM: Add sstateen0 to ONE_REG .../devicetree/bindings/riscv/extensions.yaml | 6 + arch/riscv/include/asm/csr.h | 18 +++ arch/riscv/include/asm/hwcap.h | 1 + arch/riscv/include/asm/kvm_host.h | 18 +++ arch/riscv/include/uapi/asm/kvm.h | 11 ++ arch/riscv/kernel/cpu.c | 1 + arch/riscv/kernel/cpufeature.c | 1 + arch/riscv/kvm/vcpu.c | 111 ++++++++++++++++-- 8 files changed, 154 insertions(+), 13 deletions(-) -- 2.34.1