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 41D0BC19F2C for ; Wed, 3 Aug 2022 13:49:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238592AbiHCNtE (ORCPT ); Wed, 3 Aug 2022 09:49:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33570 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238530AbiHCNsg (ORCPT ); Wed, 3 Aug 2022 09:48:36 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id B97D82315F for ; Wed, 3 Aug 2022 06:47:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1659534424; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=HBbf21QjVVkh8lIITRKSyzg/g5j845lGp+g3TM1Gqwk=; b=MsvIQzaXPP8G5tFdTH8sKviSCmAQSz5xGZuqlfr1GDy04nz/QrUtd8s/Z3I2KRJyTEP6de uM+0Gf9iZhPY6KpRAXVoks65C7fLCPRypr4z0J4d/VMJrj5ld74WahOzBUhUuFd6gvBj6F KjJhyvNqiMr97eRucPHD7gj76KpCZtg= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-480-mtj8yrYTPeujUgGSKMP9FQ-1; Wed, 03 Aug 2022 09:47:01 -0400 X-MC-Unique: mtj8yrYTPeujUgGSKMP9FQ-1 Received: from smtp.corp.redhat.com (int-mx10.intmail.prod.int.rdu2.redhat.com [10.11.54.10]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id EC3F283DE58; Wed, 3 Aug 2022 13:47:00 +0000 (UTC) Received: from fedora.redhat.com (unknown [10.40.195.93]) by smtp.corp.redhat.com (Postfix) with ESMTP id 78D0D403166; Wed, 3 Aug 2022 13:46:58 +0000 (UTC) From: Vitaly Kuznetsov To: kvm@vger.kernel.org, Paolo Bonzini , Sean Christopherson Cc: Wanpeng Li , Jim Mattson , Michael Kelley , Siddharth Chandrasekaran , Yuan Yao , Maxim Levitsky , linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v9 34/40] KVM: selftests: Move Hyper-V VP assist page enablement out of evmcs.h Date: Wed, 3 Aug 2022 15:46:57 +0200 Message-Id: <20220803134657.399531-1-vkuznets@redhat.com> In-Reply-To: <20220803134110.397885-1-vkuznets@redhat.com> References: <20220803134110.397885-1-vkuznets@redhat.com> MIME-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.85 on 10.11.54.10 Precedence: bulk List-ID: X-Mailing-List: linux-hyperv@vger.kernel.org Hyper-V VP assist page is not eVMCS specific, it is also used for enlightened nSVM. Move the code to vendor neutral place. Reviewed-by: Maxim Levitsky Signed-off-by: Vitaly Kuznetsov --- tools/testing/selftests/kvm/Makefile | 1 + .../selftests/kvm/include/x86_64/evmcs.h | 40 +------------------ .../selftests/kvm/include/x86_64/hyperv.h | 31 ++++++++++++++ .../testing/selftests/kvm/lib/x86_64/hyperv.c | 21 ++++++++++ .../testing/selftests/kvm/x86_64/evmcs_test.c | 1 + 5 files changed, 56 insertions(+), 38 deletions(-) create mode 100644 tools/testing/selftests/kvm/lib/x86_64/hyperv.c diff --git a/tools/testing/selftests/kvm/Makefile b/tools/testing/selftests/kvm/Makefile index 2f15bedb503f..6d43e7da431c 100644 --- a/tools/testing/selftests/kvm/Makefile +++ b/tools/testing/selftests/kvm/Makefile @@ -49,6 +49,7 @@ LIBKVM += lib/test_util.c LIBKVM_x86_64 += lib/x86_64/apic.c LIBKVM_x86_64 += lib/x86_64/handlers.S +LIBKVM_x86_64 += lib/x86_64/hyperv.c LIBKVM_x86_64 += lib/x86_64/perf_test_util.c LIBKVM_x86_64 += lib/x86_64/processor.c LIBKVM_x86_64 += lib/x86_64/svm.c diff --git a/tools/testing/selftests/kvm/include/x86_64/evmcs.h b/tools/testing/selftests/kvm/include/x86_64/evmcs.h index 721e119783a5..d91e5cc3feb9 100644 --- a/tools/testing/selftests/kvm/include/x86_64/evmcs.h +++ b/tools/testing/selftests/kvm/include/x86_64/evmcs.h @@ -10,6 +10,7 @@ #define SELFTEST_KVM_EVMCS_H #include +#include "hyperv.h" #include "vmx.h" #define u16 uint16_t @@ -20,27 +21,6 @@ extern bool enable_evmcs; -struct hv_nested_enlightenments_control { - struct { - __u32 directhypercall:1; - __u32 reserved:31; - } features; - struct { - __u32 reserved; - } hypercallControls; -} __packed; - -/* Define virtual processor assist page structure. */ -struct hv_vp_assist_page { - __u32 apic_assist; - __u32 reserved1; - __u64 vtl_control[3]; - struct hv_nested_enlightenments_control nested_control; - __u8 enlighten_vmentry; - __u8 reserved2[7]; - __u64 current_nested_vmcs; -} __packed; - struct hv_enlightened_vmcs { u32 revision_id; u32 abort; @@ -246,29 +226,13 @@ struct hv_enlightened_vmcs { #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_ENLIGHTENMENTSCONTROL BIT(15) #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL 0xFFFF -#define HV_X64_MSR_VP_ASSIST_PAGE 0x40000073 -#define HV_X64_MSR_VP_ASSIST_PAGE_ENABLE 0x00000001 -#define HV_X64_MSR_VP_ASSIST_PAGE_ADDRESS_SHIFT 12 -#define HV_X64_MSR_VP_ASSIST_PAGE_ADDRESS_MASK \ - (~((1ull << HV_X64_MSR_VP_ASSIST_PAGE_ADDRESS_SHIFT) - 1)) - extern struct hv_enlightened_vmcs *current_evmcs; -extern struct hv_vp_assist_page *current_vp_assist; int vcpu_enable_evmcs(struct kvm_vcpu *vcpu); -static inline int enable_vp_assist(uint64_t vp_assist_pa, void *vp_assist) +static inline void evmcs_enable(void) { - u64 val = (vp_assist_pa & HV_X64_MSR_VP_ASSIST_PAGE_ADDRESS_MASK) | - HV_X64_MSR_VP_ASSIST_PAGE_ENABLE; - - wrmsr(HV_X64_MSR_VP_ASSIST_PAGE, val); - - current_vp_assist = vp_assist; - enable_evmcs = true; - - return 0; } static inline int evmcs_vmptrld(uint64_t vmcs_pa, void *vmcs) diff --git a/tools/testing/selftests/kvm/include/x86_64/hyperv.h b/tools/testing/selftests/kvm/include/x86_64/hyperv.h index 8a7d607e3a38..42213f5de17f 100644 --- a/tools/testing/selftests/kvm/include/x86_64/hyperv.h +++ b/tools/testing/selftests/kvm/include/x86_64/hyperv.h @@ -234,4 +234,35 @@ static inline void hyperv_write_xmm_input(void *data, int n_sse_regs) /* Proper HV_X64_MSR_GUEST_OS_ID value */ #define HYPERV_LINUX_OS_ID ((u64)0x8100 << 48) +#define HV_X64_MSR_VP_ASSIST_PAGE 0x40000073 +#define HV_X64_MSR_VP_ASSIST_PAGE_ENABLE 0x00000001 +#define HV_X64_MSR_VP_ASSIST_PAGE_ADDRESS_SHIFT 12 +#define HV_X64_MSR_VP_ASSIST_PAGE_ADDRESS_MASK \ + (~((1ull << HV_X64_MSR_VP_ASSIST_PAGE_ADDRESS_SHIFT) - 1)) + +struct hv_nested_enlightenments_control { + struct { + __u32 directhypercall:1; + __u32 reserved:31; + } features; + struct { + __u32 reserved; + } hypercallControls; +} __packed; + +/* Define virtual processor assist page structure. */ +struct hv_vp_assist_page { + __u32 apic_assist; + __u32 reserved1; + __u64 vtl_control[3]; + struct hv_nested_enlightenments_control nested_control; + __u8 enlighten_vmentry; + __u8 reserved2[7]; + __u64 current_nested_vmcs; +} __packed; + +extern struct hv_vp_assist_page *current_vp_assist; + +int enable_vp_assist(uint64_t vp_assist_pa, void *vp_assist); + #endif /* !SELFTEST_KVM_HYPERV_H */ diff --git a/tools/testing/selftests/kvm/lib/x86_64/hyperv.c b/tools/testing/selftests/kvm/lib/x86_64/hyperv.c new file mode 100644 index 000000000000..32dc0afd9e5b --- /dev/null +++ b/tools/testing/selftests/kvm/lib/x86_64/hyperv.c @@ -0,0 +1,21 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Hyper-V specific functions. + * + * Copyright (C) 2021, Red Hat Inc. + */ +#include +#include "processor.h" +#include "hyperv.h" + +int enable_vp_assist(uint64_t vp_assist_pa, void *vp_assist) +{ + uint64_t val = (vp_assist_pa & HV_X64_MSR_VP_ASSIST_PAGE_ADDRESS_MASK) | + HV_X64_MSR_VP_ASSIST_PAGE_ENABLE; + + wrmsr(HV_X64_MSR_VP_ASSIST_PAGE, val); + + current_vp_assist = vp_assist; + + return 0; +} diff --git a/tools/testing/selftests/kvm/x86_64/evmcs_test.c b/tools/testing/selftests/kvm/x86_64/evmcs_test.c index 99bc202243d2..9007fb04343b 100644 --- a/tools/testing/selftests/kvm/x86_64/evmcs_test.c +++ b/tools/testing/selftests/kvm/x86_64/evmcs_test.c @@ -79,6 +79,7 @@ void guest_code(struct vmx_pages *vmx_pages) GUEST_SYNC(2); enable_vp_assist(vmx_pages->vp_assist_gpa, vmx_pages->vp_assist); + evmcs_enable(); GUEST_ASSERT(vmx_pages->vmcs_gpa); GUEST_ASSERT(prepare_for_vmx_operation(vmx_pages)); -- 2.35.3