[PATCH v11 29/31] LoongArch: KVM: Enable kvm config and add the makefile

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From: Tianrui Zhao <zhaotianrui@loongson.cn>
To: linux-kernel@vger.kernel.org, kvm@vger.kernel.org
Cc: Paolo Bonzini <pbonzini@redhat.com>,
	Huacai Chen <chenhuacai@kernel.org>,
	WANG Xuerui <kernel@xen0n.name>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	loongarch@lists.linux.dev, Jens Axboe <axboe@kernel.dk>,
	Mark Brown <broonie@kernel.org>,
	Alex Deucher <alexander.deucher@amd.com>,
	Oliver Upton <oliver.upton@linux.dev>,
	maobibo@loongson.cn, Xi Ruoyao <xry111@xry111.site>,
	zhaotianrui@loongson.cn, kernel test robot <lkp@intel.com>
Subject: [PATCH v11 29/31] LoongArch: KVM: Enable kvm config and add the makefile
Date: Mon, 22 May 2023 11:12:15 +0800	[thread overview]
Message-ID: <20230522031217.956464-30-zhaotianrui@loongson.cn> (raw)
In-Reply-To: <20230522031217.956464-1-zhaotianrui@loongson.cn>

Enable LoongArch kvm config and add the makefile to support build kvm
module.

Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/oe-kbuild-all/202304131526.iXfLaVZc-lkp@intel.com/
Signed-off-by: Tianrui Zhao <zhaotianrui@loongson.cn>
---
 arch/loongarch/Kbuild                      |  1 +
 arch/loongarch/Kconfig                     |  2 ++
 arch/loongarch/configs/loongson3_defconfig |  2 ++
 arch/loongarch/kvm/Kconfig                 | 38 ++++++++++++++++++++++
 arch/loongarch/kvm/Makefile                | 22 +++++++++++++
 5 files changed, 65 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..8a999b4c0232
--- /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 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
-- 
2.39.1

next prev parent reply	other threads:[~2023-05-22  3:15 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-05-22  3:11 [PATCH v11 00/31] Add KVM LoongArch support Tianrui Zhao
2023-05-22  3:11 ` [PATCH v11 01/31] LoongArch: KVM: Add kvm related header files Tianrui Zhao
2023-05-22  3:11 ` [PATCH v11 02/31] LoongArch: KVM: Implement kvm module related interface Tianrui Zhao
2023-05-22  3:11 ` [PATCH v11 03/31] LoongArch: KVM: Implement kvm hardware enable, disable interface Tianrui Zhao
2023-05-22  3:11 ` [PATCH v11 04/31] LoongArch: KVM: Implement VM related functions Tianrui Zhao
2023-05-22  3:11 ` [PATCH v11 05/31] LoongArch: KVM: Add vcpu related header files Tianrui Zhao
2023-05-22  3:11 ` [PATCH v11 06/31] LoongArch: KVM: Implement vcpu create and destroy interface Tianrui Zhao
2023-05-22  3:11 ` [PATCH v11 07/31] LoongArch: KVM: Implement vcpu run interface Tianrui Zhao
2023-05-22  3:11 ` [PATCH v11 08/31] LoongArch: KVM: Implement vcpu handle exit interface Tianrui Zhao
2023-05-22  3:11 ` [PATCH v11 09/31] LoongArch: KVM: Implement vcpu get, vcpu set registers Tianrui Zhao
2023-05-22  3:11 ` [PATCH v11 10/31] LoongArch: KVM: Implement vcpu ENABLE_CAP ioctl interface Tianrui Zhao
2023-05-22  3:11 ` [PATCH v11 11/31] LoongArch: KVM: Implement fpu related operations for vcpu Tianrui Zhao
2023-05-22  3:11 ` [PATCH v11 12/31] LoongArch: KVM: Implement vcpu interrupt operations Tianrui Zhao
2023-05-22  3:11 ` [PATCH v11 13/31] LoongArch: KVM: Implement misc vcpu related interfaces Tianrui Zhao
2023-05-22  3:12 ` [PATCH v11 14/31] LoongArch: KVM: Implement vcpu load and vcpu put operations Tianrui Zhao
2023-05-22  3:12 ` [PATCH v11 15/31] LoongArch: KVM: Implement vcpu status description Tianrui Zhao
2023-05-22  3:12 ` [PATCH v11 16/31] LoongArch: KVM: Implement update VM id function Tianrui Zhao
2023-05-22  3:12 ` [PATCH v11 17/31] LoongArch: KVM: Implement virtual machine tlb operations Tianrui Zhao
2023-05-22  3:12 ` [PATCH v11 18/31] LoongArch: KVM: Implement vcpu timer operations Tianrui Zhao
2023-05-22  3:12 ` [PATCH v11 19/31] LoongArch: KVM: Implement kvm mmu operations Tianrui Zhao
2023-05-22  3:12 ` [PATCH v11 20/31] LoongArch: KVM: Implement handle csr excption Tianrui Zhao
2023-05-22  3:12 ` [PATCH v11 21/31] LoongArch: KVM: Implement handle iocsr exception Tianrui Zhao
2023-05-22  3:12 ` [PATCH v11 22/31] LoongArch: KVM: Implement handle idle exception Tianrui Zhao
2023-05-22  3:12 ` [PATCH v11 23/31] LoongArch: KVM: Implement handle gspr exception Tianrui Zhao
2023-05-22  3:12 ` [PATCH v11 24/31] LoongArch: KVM: Implement handle mmio exception Tianrui Zhao
2023-05-22  3:12 ` [PATCH v11 25/31] LoongArch: KVM: Implement handle fpu exception Tianrui Zhao
2023-05-22  3:12 ` [PATCH v11 26/31] LoongArch: KVM: Implement kvm exception vector Tianrui Zhao
2023-05-22  3:12 ` [PATCH v11 27/31] LoongArch: KVM: Implement vcpu world switch Tianrui Zhao
2023-05-22  3:12 ` [PATCH v11 28/31] LoongArch: KVM: Implement probe virtualization when LoongArch cpu init Tianrui Zhao
2023-05-22  3:12 ` Tianrui Zhao [this message]
2023-05-22  3:12 ` [PATCH v11 30/31] LoongArch: KVM: Supplement kvm document about LoongArch-specific part Tianrui Zhao
2023-05-22  3:12 ` [PATCH v11 31/31] LoongArch: KVM: Add maintainers for LoongArch KVM Tianrui Zhao
2023-05-22  3:42   ` WANG Xuerui
2023-05-22  7:14     ` Tianrui Zhao

find likely ancestor, descendant, or conflicting patches for this message:
( dfblob:b01f5cdb27e dfblob:40be8a1696f dfblob:d38b066fc93
dfblob:16ddf4f6f9b dfblob:6cd26dd3c13 dfblob:3c0cbe6ad08
dfblob:8a999b4c023 dfblob:2335e873a6e )
 OR (
bs:"[PATCH v11 29/31] LoongArch: KVM: Enable kvm config and add the makefile" )
	(help)

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