[v7,29/30] LoongArch: KVM: Enable kvm config and add the makefile

Message ID 20230417095950.875228-30-zhaotianrui@loongson.cn
State New
Headers
Series Add KVM LoongArch support |

Commit Message

zhaotianrui April 17, 2023, 9:59 a.m. UTC
  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
  

Comments

Huacai Chen April 19, 2023, 2:10 a.m. UTC | #1
Hi, Tianrui,

On Mon, Apr 17, 2023 at 6:00 PM Tianrui Zhao <zhaotianrui@loongson.cn> wrote:
>
> 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 7fd51257e0ed..f9beeb2e0cc9 100644
> --- a/arch/loongarch/Kconfig
> +++ b/arch/loongarch/Kconfig
> @@ -148,6 +148,7 @@ config LOONGARCH
>         select USE_PERCPU_NUMA_NODE_ID
>         select USER_STACKTRACE_SUPPORT
>         select ZONE_DMA32
> +       select HAVE_KVM
Use alpha-betical order, please.

Huacai
>
>  config 32BIT
>         bool
> @@ -588,3 +589,4 @@ 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 e18213f01cc4..c99520374aef 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
> --
> 2.31.1
>
  
zhaotianrui April 19, 2023, 9:01 a.m. UTC | #2
在 2023年04月19日 10:10, Huacai Chen 写道:
> Hi, Tianrui,
>
> On Mon, Apr 17, 2023 at 6:00 PM Tianrui Zhao <zhaotianrui@loongson.cn> wrote:
>> 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 7fd51257e0ed..f9beeb2e0cc9 100644
>> --- a/arch/loongarch/Kconfig
>> +++ b/arch/loongarch/Kconfig
>> @@ -148,6 +148,7 @@ config LOONGARCH
>>          select USE_PERCPU_NUMA_NODE_ID
>>          select USER_STACKTRACE_SUPPORT
>>          select ZONE_DMA32
>> +       select HAVE_KVM
> Use alpha-betical order, please.
>
> Huacai
Thanks, I will move it to the suitable place.

Thanks
Tianrui Zhao
>>   config 32BIT
>>          bool
>> @@ -588,3 +589,4 @@ 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 e18213f01cc4..c99520374aef 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
>> --
>> 2.31.1
>>
  

Patch

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 7fd51257e0ed..f9beeb2e0cc9 100644
--- a/arch/loongarch/Kconfig
+++ b/arch/loongarch/Kconfig
@@ -148,6 +148,7 @@  config LOONGARCH
 	select USE_PERCPU_NUMA_NODE_ID
 	select USER_STACKTRACE_SUPPORT
 	select ZONE_DMA32
+	select HAVE_KVM
 
 config 32BIT
 	bool
@@ -588,3 +589,4 @@  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 e18213f01cc4..c99520374aef 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