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[2620:137:e000::1:20]) by mx.google.com with ESMTP id v135-20020a63618d000000b0055387ef9633si5591259pgb.804.2023.06.19.01.44.29; Mon, 19 Jun 2023 01:44:42 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230392AbjFSIfh (ORCPT + 99 others); Mon, 19 Jun 2023 04:35:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37068 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230376AbjFSId1 (ORCPT ); Mon, 19 Jun 2023 04:33:27 -0400 Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 605F31BB; Mon, 19 Jun 2023 01:33:25 -0700 (PDT) Received: from loongson.cn (unknown [10.2.5.185]) by gateway (Coremail) with SMTP id _____8BxKurJEpBkXswGAA--.14069S3; Mon, 19 Jun 2023 16:33:13 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.185]) by localhost.localdomain (Coremail) with SMTP id AQAAf8BxC8q3EpBkAgsgAA--.15169S30; Mon, 19 Jun 2023 16:33:12 +0800 (CST) From: Tianrui Zhao To: linux-kernel@vger.kernel.org, kvm@vger.kernel.org Cc: Paolo Bonzini , Huacai Chen , WANG Xuerui , Greg Kroah-Hartman , loongarch@lists.linux.dev, Jens Axboe , Mark Brown , Alex Deucher , Oliver Upton , maobibo@loongson.cn, Xi Ruoyao , zhaotianrui@loongson.cn, tangyouling@loongson.cn, kernel test robot Subject: [PATCH v14 28/30] LoongArch: KVM: Enable kvm config and add the makefile Date: Mon, 19 Jun 2023 16:32:53 +0800 Message-Id: <20230619083255.3841777-29-zhaotianrui@loongson.cn> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230619083255.3841777-1-zhaotianrui@loongson.cn> References: <20230619083255.3841777-1-zhaotianrui@loongson.cn> MIME-Version: 1.0 X-CM-TRANSID: AQAAf8BxC8q3EpBkAgsgAA--.15169S30 X-CM-SenderInfo: p2kd03xldq233l6o00pqjv00gofq/ X-Coremail-Antispam: 1Uk129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7 ZEXasCq-sGcSsGvfJ3UbIjqfuFe4nvWSU5nxnvy29KBjDU0xBIdaVrnUUvcSsGvfC2Kfnx nUUI43ZEXa7xR_UUUUUUUUU== X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1769119974275971499?= X-GMAIL-MSGID: =?utf-8?q?1769119974275971499?= Enable LoongArch kvm config and add the makefile to support build kvm module. Reviewed-by: Bibo Mao Reported-by: kernel test robot Link: https://lore.kernel.org/oe-kbuild-all/202304131526.iXfLaVZc-lkp@intel.com/ Signed-off-by: Tianrui Zhao --- arch/loongarch/Kbuild | 1 + arch/loongarch/Kconfig | 2 ++ arch/loongarch/configs/loongson3_defconfig | 2 ++ arch/loongarch/kvm/Kconfig | 39 ++++++++++++++++++++++ arch/loongarch/kvm/Makefile | 22 ++++++++++++ 5 files changed, 66 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 b01f5cdb27e0..40be8a1696f9 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 d38b066fc931..16ddf4f6f9bd 100644 --- a/arch/loongarch/Kconfig +++ b/arch/loongarch/Kconfig @@ -113,6 +113,7 @@ config LOONGARCH select HAVE_KPROBES select HAVE_KPROBES_ON_FTRACE select HAVE_KRETPROBES + select HAVE_KVM select HAVE_MOD_ARCH_SPECIFIC select HAVE_NMI select HAVE_PCI @@ -604,3 +605,4 @@ 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 6cd26dd3c134..3c0cbe6ad08f 100644 --- a/arch/loongarch/configs/loongson3_defconfig +++ b/arch/loongarch/configs/loongson3_defconfig @@ -63,6 +63,8 @@ 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 000000000000..ac82e3a9099f --- /dev/null +++ b/arch/loongarch/kvm/Kconfig @@ -0,0 +1,39 @@ +# 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 KVM_GENERIC_HARDWARE_ENABLING + 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 000000000000..2335e873a6ef --- /dev/null +++ b/arch/loongarch/kvm/Makefile @@ -0,0 +1,22 @@ +# 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 +kvm-y += csr_ops.o