From patchwork Mon Feb 20 06:57:35 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: zhaotianrui X-Patchwork-Id: 13146113 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 54ADAC6FD1D for ; Mon, 20 Feb 2023 06:58:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231149AbjBTG6h (ORCPT ); Mon, 20 Feb 2023 01:58:37 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35650 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230421AbjBTG5x (ORCPT ); Mon, 20 Feb 2023 01:57:53 -0500 Received: from loongson.cn (mail.loongson.cn [114.242.206.163]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id C1CC82712; Sun, 19 Feb 2023 22:57:50 -0800 (PST) Received: from loongson.cn (unknown [10.2.5.185]) by gateway (Coremail) with SMTP id _____8DxEwztGfNjRrUCAA--.65S3; Mon, 20 Feb 2023 14:57:49 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.185]) by localhost.localdomain (Coremail) with SMTP id AQAAf8Ax+73fGfNjFvk2AA--.34690S31; Mon, 20 Feb 2023 14:57:47 +0800 (CST) From: Tianrui Zhao To: Paolo Bonzini Cc: Huacai Chen , WANG Xuerui , Greg Kroah-Hartman , loongarch@lists.linux.dev, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, Jens Axboe , Mark Brown , Alex Deucher , Oliver Upton , maobibo@loongson.cn Subject: [PATCH v2 29/29] LoongArch: KVM: Enable kvm config and add the makefile Date: Mon, 20 Feb 2023 14:57:35 +0800 Message-Id: <20230220065735.1282809-30-zhaotianrui@loongson.cn> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20230220065735.1282809-1-zhaotianrui@loongson.cn> References: <20230220065735.1282809-1-zhaotianrui@loongson.cn> MIME-Version: 1.0 X-CM-TRANSID: AQAAf8Ax+73fGfNjFvk2AA--.34690S31 X-CM-SenderInfo: p2kd03xldq233l6o00pqjv00gofq/ X-Coremail-Antispam: 1Uk129KBjvJXoWxXFW3Ww4DWry3Cr48KFy7GFg_yoW5KF1DpF s7Ar1kGr4xWFn3JrZ3t34kWrs8CFn7Kr47u3Waya48Cry7Z34kur1ktr9rXFyUA393JrW0 gr1rGa1agayUJw7anT9S1TB71UUUUjJqnTZGkaVYY2UrUUUUj1kv1TuYvTs0mT0YCTnIWj qI5I8CrVACY4xI64kE6c02F40Ex7xfYxn0WfASr-VFAUDa7-sFnT9fnUUIcSsGvfJTRUUU b4AFc2x0x2IEx4CE42xK8VAvwI8IcIk0rVWrJVCq3wA2ocxC64kIII0Yj41l84x0c7CEw4 AK67xGY2AK021l84ACjcxK6xIIjxv20xvE14v26w1j6s0DM28EF7xvwVC0I7IYx2IY6xkF 7I0E14v26r4UJVWxJr1l84ACjcxK6I8E87Iv67AKxVWxJr0_GcWl84ACjcxK6I8E87Iv6x kF7I0E14v26F4UJVW0owAaw2AFwI0_JF0_Jw1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAq jxCEc2xF0cIa020Ex4CE44I27wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E74AGY7Cv6c x26rWlOx8S6xCaFVCjc4AY6r1j6r4UM4x0Y48IcxkI7VAKI48JMxkF7I0En4kS14v26r12 6r1DMxAIw28IcxkI7VAKI48JMxAIw28IcVCjz48v1sIEY20_WwCFx2IqxVCFs4IE7xkEbV WUJVW8JwCFI7km07C267AKxVWUAVWUtwC20s026c02F40E14v26r1j6r18MI8I3I0E7480 Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcVC0I7 IYx2IY67AKxVWDJVCq3wCI42IY6xIIjxv20xvEc7CjxVAFwI0_Gr1j6F4UJwCI42IY6xAI w20EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Gr1j6F4UJwCI42IY6I8E87Iv6x kF7I0E14v26r4UJVWxJrUvcSsGvfC2KfnxnUUI43ZEXa7xRiTKZJUUUUU== Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Enable loongarch kvm config and add the makefile to support build kvm module. Signed-off-by: Tianrui Zhao --- arch/loongarch/Kbuild | 1 + arch/loongarch/Kconfig | 2 ++ arch/loongarch/configs/loongson3_defconfig | 2 ++ arch/loongarch/kvm/Kconfig | 38 ++++++++++++++++++++++ arch/loongarch/kvm/Makefile | 21 ++++++++++++ 5 files changed, 64 insertions(+) create mode 100644 arch/loongarch/kvm/Kconfig create mode 100644 arch/loongarch/kvm/Makefile diff --git a/arch/loongarch/Kbuild b/arch/loongarch/Kbuild index b01f5cdb2..40be8a169 100644 --- a/arch/loongarch/Kbuild +++ b/arch/loongarch/Kbuild @@ -2,6 +2,7 @@ obj-y += kernel/ obj-y += mm/ obj-y += net/ obj-y += vdso/ +obj-y += kvm/ # for cleaning subdir- += boot diff --git a/arch/loongarch/Kconfig b/arch/loongarch/Kconfig index 9cc8b84f7..424ad9392 100644 --- a/arch/loongarch/Kconfig +++ b/arch/loongarch/Kconfig @@ -142,6 +142,7 @@ config LOONGARCH select USE_PERCPU_NUMA_NODE_ID select USER_STACKTRACE_SUPPORT select ZONE_DMA32 + select HAVE_KVM config 32BIT bool @@ -541,3 +542,4 @@ source "drivers/acpi/Kconfig" endmenu source "drivers/firmware/Kconfig" +source "arch/loongarch/kvm/Kconfig" diff --git a/arch/loongarch/configs/loongson3_defconfig b/arch/loongarch/configs/loongson3_defconfig index eb84cae64..9a6e31b43 100644 --- a/arch/loongarch/configs/loongson3_defconfig +++ b/arch/loongarch/configs/loongson3_defconfig @@ -62,6 +62,8 @@ CONFIG_EFI_ZBOOT=y CONFIG_EFI_GENERIC_STUB_INITRD_CMDLINE_LOADER=y CONFIG_EFI_CAPSULE_LOADER=m CONFIG_EFI_TEST=m +CONFIG_VIRTUALIZATION=y +CONFIG_KVM=m CONFIG_MODULES=y CONFIG_MODULE_FORCE_LOAD=y CONFIG_MODULE_UNLOAD=y diff --git a/arch/loongarch/kvm/Kconfig b/arch/loongarch/kvm/Kconfig new file mode 100644 index 000000000..8a999b4c0 --- /dev/null +++ b/arch/loongarch/kvm/Kconfig @@ -0,0 +1,38 @@ +# SPDX-License-Identifier: GPL-2.0 +# +# KVM configuration +# + +source "virt/kvm/Kconfig" + +menuconfig VIRTUALIZATION + bool "Virtualization" + help + Say Y here to get to see options for using your Linux host to run + other operating systems inside virtual machines (guests). + This option alone does not add any kernel code. + + If you say N, all options in this submenu will be skipped and + disabled. + +if VIRTUALIZATION + +config KVM + tristate "Kernel-based Virtual Machine (KVM) support" + depends on HAVE_KVM + select MMU_NOTIFIER + select ANON_INODES + select PREEMPT_NOTIFIERS + select KVM_MMIO + select KVM_GENERIC_DIRTYLOG_READ_PROTECT + select HAVE_KVM_VCPU_ASYNC_IOCTL + select HAVE_KVM_EVENTFD + select SRCU + help + Support hosting virtualized guest machines using hardware + virtualization extensions. You will need a fairly processor + equipped with virtualization extensions. + + If unsure, say N. + +endif # VIRTUALIZATION diff --git a/arch/loongarch/kvm/Makefile b/arch/loongarch/kvm/Makefile new file mode 100644 index 000000000..42e9dcc18 --- /dev/null +++ b/arch/loongarch/kvm/Makefile @@ -0,0 +1,21 @@ +# SPDX-License-Identifier: GPL-2.0 +# +# Makefile for LOONGARCH KVM support +# + +ccflags-y += -I $(srctree)/$(src) + +include $(srctree)/virt/kvm/Makefile.kvm + +obj-$(CONFIG_KVM) += kvm.o + +kvm-y += main.o +kvm-y += vm.o +kvm-y += vmid.o +kvm-y += tlb.o +kvm-y += mmu.o +kvm-y += vcpu.o +kvm-y += exit.o +kvm-y += interrupt.o +kvm-y += timer.o +kvm-y += switch.o