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 A4CD8C433FE for ; Sat, 5 Nov 2022 04:57:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229590AbiKEE5N (ORCPT ); Sat, 5 Nov 2022 00:57:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46962 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229545AbiKEE5K (ORCPT ); Sat, 5 Nov 2022 00:57:10 -0400 Received: from mail-pl1-x649.google.com (mail-pl1-x649.google.com [IPv6:2607:f8b0:4864:20::649]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2C6C331DD7 for ; Fri, 4 Nov 2022 21:57:10 -0700 (PDT) Received: by mail-pl1-x649.google.com with SMTP id h16-20020a170902f55000b001871b770a83so4907485plf.9 for ; Fri, 04 Nov 2022 21:57:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=cc:to:from:subject:message-id:mime-version:date:from:to:cc:subject :date:message-id:reply-to; bh=XzQ/JwtPWhSrAT5jdOi7rv7mHMX+sB3nOWPz6ecV840=; b=Mujmrs7ffOhJTdpBZz7thLFAW5rIFh8MtxNsLNnm4mofYyhJlK6EPvWWrPS22HQPWU SM204oFfX/dt8Oy3Ac/XGkQ+CPqooalXTlCdIWktoNaxCKC4hR4xA/tcDx9eywbgjTeX T7wKtVlmFDfLtinFb/MXKllVWRMMZZDTV6OjBynXPboYtEhoq7wRzp8sFoP1jNfm0/2j lfReFTq0wHLbUmwrGtUVFbD/mCqwtP0gM4jryw67RV5gJOOlRAGIkVU1lCrfh6F9Y+bi +QRaXBngV+YkmZB3n0QSUpLG67icQTtFQihZJaC6/4mTUwRKvuTrukGbiME4+WMRfMio zwoQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:from:subject:message-id:mime-version:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=XzQ/JwtPWhSrAT5jdOi7rv7mHMX+sB3nOWPz6ecV840=; b=t0H0VhoRSyJc32k1qgWR7zT3VniL1w5ym5h39rpk3x7CnPAD/dKtkyEr3LgJ391QSD qqEYe1Sd2uy6MJqtbd4G3i4uQ0o7AHdhOJhDPIVKF7vNZ4c+x//f0URtgABMB5mOUJgR r40uVfgPV0aDry7/v1yNv3HmFayTUK5rRHZ3xgDYLLCPtIUM7iDcihPRwDJdKJT+gwlF dO/xpoaXZB9v0TqUTaEulCHx09CHZ3DFt8XKmgZHc5cNffgJjvN/dXXFeCXaHVbixojQ Eo6bMFpkcZOg9mwCTB2ZnUpxvGL/gGz372OZAoANv8g4rrOiHXwyaOY3R7skHx+iPyL6 jjIQ== X-Gm-Message-State: ACrzQf20MM8X9c13p87qgEGSknOYI8G6WY0+i1mN0HksjCOC+K1QFd53 l6j7kGY0PaCVSJs0iHV4OLwgjifrMKzz X-Google-Smtp-Source: AMsMyM6JziBXYGDsP00lbMCuca3QR+oGSfuT6bcd7s6s4XJhNqTeqfuaOhWcgh+QMDTzlmYpMvEokz7tLFsF X-Received: from vipin.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:479f]) (user=vipinsh job=sendgmr) by 2002:a17:90a:7348:b0:213:2708:8dc3 with SMTP id j8-20020a17090a734800b0021327088dc3mr1066872pjs.2.1667624229329; Fri, 04 Nov 2022 21:57:09 -0700 (PDT) Date: Fri, 4 Nov 2022 21:56:58 -0700 Mime-Version: 1.0 X-Mailer: git-send-email 2.38.1.273.g43a17bfeac-goog Message-ID: <20221105045704.2315186-1-vipinsh@google.com> Subject: [PATCH 0/6] Add Hyper-v extended hypercall support in KVM From: Vipin Sharma To: seanjc@google.com, pbonzini@redhat.com, vkuznets@redhat.com Cc: dmatlack@google.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Vipin Sharma Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch series adds Hyper-V extended hypercall support. All hypercalls will exit to userspace if CPUID.0x40000003.EBX BIT(20) is set. Patch 4 and 5 are prep patches, they move some code to hyperv.h later used by newly introduced test hyperv_extended_hcalls in Patch 6. RFC: https://lore.kernel.org/lkml/20221021185916.1494314-1-vipinsh@google.com/ Vipin Sharma (6): KVM: x86: hyper-v: Use common code for hypercall userspace exit KVM: x86: hyper-v: Add extended hypercall support in Hyper-v KVM: selftests: Test Hyper-V extended hypercall enablement KVM: selftests: Make Hyper-V guest OS ID common KVM: selftests: Move hypercall() to hyper.h KVM: selftests: Test Hyper-V extended hypercall exit to userspace arch/x86/kvm/hyperv.c | 43 +++++---- tools/testing/selftests/kvm/.gitignore | 1 + tools/testing/selftests/kvm/Makefile | 1 + .../selftests/kvm/include/x86_64/hyperv.h | 31 +++++++ .../selftests/kvm/x86_64/hyperv_clock.c | 2 +- .../kvm/x86_64/hyperv_extended_hcalls.c | 90 +++++++++++++++++++ .../selftests/kvm/x86_64/hyperv_features.c | 32 +++---- .../selftests/kvm/x86_64/hyperv_svm_test.c | 2 +- 8 files changed, 163 insertions(+), 39 deletions(-) create mode 100644 tools/testing/selftests/kvm/x86_64/hyperv_extended_hcalls.c -- 2.38.1.273.g43a17bfeac-goog