[0/6] Add Hyper-v extended hypercall support in KVM

Message ID	20221105045704.2315186-1-vipinsh@google.com (mailing list archive)
Headers	show Return-Path: <kvm-owner@kernel.org> Date: Fri, 4 Nov 2022 21:56:58 -0700 Mime-Version: 1.0 Message-ID: <20221105045704.2315186-1-vipinsh@google.com> Subject: [PATCH 0/6] Add Hyper-v extended hypercall support in KVM From: Vipin Sharma <vipinsh@google.com> 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 <vipinsh@google.com> Content-Type: text/plain; charset="UTF-8" Precedence: bulk
Series	Add Hyper-v extended hypercall support in KVM \| expand [0/6] Add Hyper-v extended hypercall support in KVM [1/6] KVM: x86: hyper-v: Use common code for hypercall userspace exit [2/6] KVM: x86: hyper-v: Add extended hypercall support in Hyper-v [3/6] KVM: selftests: Test Hyper-V extended hypercall enablement [4/6] KVM: selftests: Make Hyper-V guest OS ID common [5/6] KVM: selftests: Move hypercall() to hyper.h [6/6] KVM: selftests: Test Hyper-V extended hypercall exit to userspace

Message ID

20221105045704.2315186-1-vipinsh@google.com (mailing list archive)

Headers

Date: Fri,  4 Nov 2022 21:56:58 -0700
Mime-Version: 1.0
Message-ID: <20221105045704.2315186-1-vipinsh@google.com>
Subject: [PATCH 0/6] Add Hyper-v extended hypercall support in KVM
From: Vipin Sharma <vipinsh@google.com>
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 <vipinsh@google.com>
Content-Type: text/plain; charset="UTF-8"
Precedence: bulk

Series

Add Hyper-v extended hypercall support in KVM | expand

Message

Vipin Sharma Nov. 5, 2022, 4:56 a.m. UTC

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