From nobody Fri Sep 12 05:15:51 2025 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 ABB9BC636CC for ; Tue, 14 Feb 2023 02:57:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231540AbjBNC55 (ORCPT ); Mon, 13 Feb 2023 21:57:57 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54876 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231406AbjBNC5C (ORCPT ); Mon, 13 Feb 2023 21:57:02 -0500 Received: from loongson.cn (mail.loongson.cn [114.242.206.163]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id ABF301BAD2; Mon, 13 Feb 2023 18:56:59 -0800 (PST) Received: from loongson.cn (unknown [10.2.5.185]) by gateway (Coremail) with SMTP id _____8DxF9l6+Opj4FcAAA--.917S3; Tue, 14 Feb 2023 10:56:58 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.185]) by localhost.localdomain (Coremail) with SMTP id AQAAf8Axeb1w+OpjmZwyAA--.28802S26; Tue, 14 Feb 2023 10:56:58 +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 Subject: [PATCH v1 24/24] LoongArch: KVM: Enable kvm config and add the makefile Date: Tue, 14 Feb 2023 10:56:48 +0800 Message-Id: <20230214025648.1898508-25-zhaotianrui@loongson.cn> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20230214025648.1898508-1-zhaotianrui@loongson.cn> References: <20230214025648.1898508-1-zhaotianrui@loongson.cn> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: AQAAf8Axeb1w+OpjmZwyAA--.28802S26 X-CM-SenderInfo: p2kd03xldq233l6o00pqjv00gofq/ X-Coremail-Antispam: 1Uk129KBjvJXoWxXFW3Ww4DWry3Cr48KFy7GFg_yoW5KF1DpF s7Ar1kGr4xWFn3JrZ3t34kWrs8CFn7Kr47u3Waya48Cry7Z34kur1ktr9rXFyUA393JrW0 gr1rGa1agayUJw7anT9S1TB71UUUUjJqnTZGkaVYY2UrUUUUj1kv1TuYvTs0mT0YCTnIWj qI5I8CrVACY4xI64kE6c02F40Ex7xfYxn0WfASr-VFAUDa7-sFnT9fnUUIcSsGvfJTRUUU bxxFc2x0x2IEx4CE42xK8VAvwI8IcIk0rVWrJVCq3wA2ocxC64kIII0Yj41l84x0c7CEw4 AK67xGY2AK021l84ACjcxK6xIIjxv20xvE14v26w1j6s0DM28EF7xvwVC0I7IYx2IY6xkF 7I0E14v26r4UJVWxJr1l84ACjcxK6I8E87Iv67AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aV CY1x0267AKxVW8Jr0_Cr1UM2kKe7AKxVWUAVWUtwAS0I0E0xvYzxvE52x082IY62kv0487 Mc804VCY07AIYIkI8VC2zVCFFI0UMc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VCjz48v1s IEY20_WwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IYc2Ij64vIr41lc7CjxVAaw2AFwI0_ JF0_Jw1l42xK82IYc2Ij64vIr41l42xK82IY6x8ErcxFaVAv8VWrMxC20s026xCaFVCjc4 AY6r1j6r4UMxCIbckI1I0E14v26r126r1DMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCj r7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUtVW8ZwCIc40Y0x0EwIxGrwCI42IY6x IIjxv20xvE14v26w1j6s0DMIIF0xvE2Ix0cI8IcVCY1x0267AKxVW8Jr0_Cr1UMIIF0xvE 42xK8VAvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVW8Jr0_Cr1UMIIF0xvEx4A2js IEc7CjxVAFwI0_Gr1j6F4UJbIYCTnIWIevJa73UjIFyTuYvj4RKpBTUUUUU Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" 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 +=3D kernel/ obj-y +=3D mm/ obj-y +=3D net/ obj-y +=3D vdso/ +obj-y +=3D kvm/ =20 # for cleaning subdir- +=3D 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 =20 config 32BIT bool @@ -541,3 +542,4 @@ source "drivers/acpi/Kconfig" endmenu =20 source "drivers/firmware/Kconfig" +source "arch/loongarch/kvm/Kconfig" diff --git a/arch/loongarch/configs/loongson3_defconfig b/arch/loongarch/co= nfigs/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=3Dy CONFIG_EFI_GENERIC_STUB_INITRD_CMDLINE_LOADER=3Dy CONFIG_EFI_CAPSULE_LOADER=3Dm CONFIG_EFI_TEST=3Dm +CONFIG_VIRTUALIZATION=3Dy +CONFIG_KVM=3Dm CONFIG_MODULES=3Dy CONFIG_MODULE_FORCE_LOAD=3Dy CONFIG_MODULE_UNLOAD=3Dy 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 +=3D -I $(srctree)/$(src) + +include $(srctree)/virt/kvm/Makefile.kvm + +obj-$(CONFIG_KVM) +=3D kvm.o + +kvm-y +=3D main.o +kvm-y +=3D vm.o +kvm-y +=3D vmid.o +kvm-y +=3D tlb.o +kvm-y +=3D mmu.o +kvm-y +=3D vcpu.o +kvm-y +=3D exit.o +kvm-y +=3D interrupt.o +kvm-y +=3D timer.o +kvm-y +=3D switch.o --=20 2.31.1