Re: [PATCH 2/2] iommu/amd: Move Kconfig and Makefile bits down into amd directory
Reviewed-by: Suravee Suthikulpanit Thanks, Suravee On 6/13/20 6:11 AM, Jerry Snitselaar wrote: Move AMD Kconfig and Makefile bits down into the amd directory with the rest of the AMD specific files. Cc: Joerg Roedel Cc: Suravee Suthikulpanit Signed-off-by: Jerry Snitselaar --- drivers/iommu/Kconfig | 45 +- drivers/iommu/Makefile | 5 + drivers/iommu/amd/Kconfig | 44 + drivers/iommu/amd/Makefile | 4 4 files changed, 50 insertions(+), 48 deletions(-) create mode 100644 drivers/iommu/amd/Kconfig create mode 100644 drivers/iommu/amd/Makefile diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig index b12d4ec124f6..78a8be0053b3 100644 --- a/drivers/iommu/Kconfig +++ b/drivers/iommu/Kconfig @@ -132,50 +132,7 @@ config IOMMU_PGTABLES_L2 def_bool y depends on MSM_IOMMU && MMU && SMP && CPU_DCACHE_DISABLE=n -# AMD IOMMU support -config AMD_IOMMU - bool "AMD IOMMU support" - select SWIOTLB - select PCI_MSI - select PCI_ATS - select PCI_PRI - select PCI_PASID - select IOMMU_API - select IOMMU_IOVA - select IOMMU_DMA - depends on X86_64 && PCI && ACPI - ---help--- - With this option you can enable support for AMD IOMMU hardware in - your system. An IOMMU is a hardware component which provides - remapping of DMA memory accesses from devices. With an AMD IOMMU you - can isolate the DMA memory of different devices and protect the - system from misbehaving device drivers or hardware. - - You can find out if your system has an AMD IOMMU if you look into - your BIOS for an option to enable it or if you have an IVRS ACPI - table. - -config AMD_IOMMU_V2 - tristate "AMD IOMMU Version 2 driver" - depends on AMD_IOMMU - select MMU_NOTIFIER - ---help--- - This option enables support for the AMD IOMMUv2 features of the IOMMU - hardware. Select this option if you want to use devices that support - the PCI PRI and PASID interface. - -config AMD_IOMMU_DEBUGFS - bool "Enable AMD IOMMU internals in DebugFS" - depends on AMD_IOMMU && IOMMU_DEBUGFS - ---help--- - !!!WARNING!!! !!!WARNING!!! !!!WARNING!!! !!!WARNING!!! - - DO NOT ENABLE THIS OPTION UNLESS YOU REALLY, -REALLY- KNOW WHAT YOU ARE DOING!!! - Exposes AMD IOMMU device internals in DebugFS. - - This option is -NOT- intended for production environments, and should - not generally be enabled. - +source "drivers/iommu/amd/Kconfig" source "drivers/iommu/intel/Kconfig" config IRQ_REMAP diff --git a/drivers/iommu/Makefile b/drivers/iommu/Makefile index 71dd2f382e78..f356bc12b1c7 100644 --- a/drivers/iommu/Makefile +++ b/drivers/iommu/Makefile @@ -1,5 +1,5 @@ # SPDX-License-Identifier: GPL-2.0 -obj-y += intel/ +obj-y += amd/ intel/ obj-$(CONFIG_IOMMU_API) += iommu.o obj-$(CONFIG_IOMMU_API) += iommu-traces.o obj-$(CONFIG_IOMMU_API) += iommu-sysfs.o @@ -12,9 +12,6 @@ obj-$(CONFIG_IOASID) += ioasid.o obj-$(CONFIG_IOMMU_IOVA) += iova.o obj-$(CONFIG_OF_IOMMU)+= of_iommu.o obj-$(CONFIG_MSM_IOMMU) += msm_iommu.o -obj-$(CONFIG_AMD_IOMMU) += amd/iommu.o amd/init.o amd/quirks.o -obj-$(CONFIG_AMD_IOMMU_DEBUGFS) += amd/debugfs.o -obj-$(CONFIG_AMD_IOMMU_V2) += amd/iommu_v2.o obj-$(CONFIG_ARM_SMMU) += arm_smmu.o arm_smmu-objs += arm-smmu.o arm-smmu-impl.o arm-smmu-qcom.o obj-$(CONFIG_ARM_SMMU_V3) += arm-smmu-v3.o diff --git a/drivers/iommu/amd/Kconfig b/drivers/iommu/amd/Kconfig new file mode 100644 index ..1f061d91e0b8 --- /dev/null +++ b/drivers/iommu/amd/Kconfig @@ -0,0 +1,44 @@ +# SPDX-License-Identifier: GPL-2.0-only +# AMD IOMMU support +config AMD_IOMMU + bool "AMD IOMMU support" + select SWIOTLB + select PCI_MSI + select PCI_ATS + select PCI_PRI + select PCI_PASID + select IOMMU_API + select IOMMU_IOVA + select IOMMU_DMA + depends on X86_64 && PCI && ACPI + help + With this option you can enable support for AMD IOMMU hardware in + your system. An IOMMU is a hardware component which provides + remapping of DMA memory accesses from devices. With an AMD IOMMU you + can isolate the DMA memory of different devices and protect the + system from misbehaving device drivers or hardware. + + You can find out if your system has an AMD IOMMU if you look into + your BIOS for an option to enable it or if you have an IVRS ACPI + table. + +config AMD_IOMMU_V2 + tristate "AMD IOMMU Version 2 driver" + depends on AMD_IOMMU + select MMU_NOTIFIER + help + This option enables support for the AMD IOMMUv2 features of the IOMMU + hardware. Select this option if you want to use devices that support + the PCI PRI and
[PATCH 2/2] iommu/amd: Move Kconfig and Makefile bits down into amd directory
Move AMD Kconfig and Makefile bits down into the amd directory with the rest of the AMD specific files. Cc: Joerg Roedel Cc: Suravee Suthikulpanit Signed-off-by: Jerry Snitselaar --- drivers/iommu/Kconfig | 45 +- drivers/iommu/Makefile | 5 + drivers/iommu/amd/Kconfig | 44 + drivers/iommu/amd/Makefile | 4 4 files changed, 50 insertions(+), 48 deletions(-) create mode 100644 drivers/iommu/amd/Kconfig create mode 100644 drivers/iommu/amd/Makefile diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig index b12d4ec124f6..78a8be0053b3 100644 --- a/drivers/iommu/Kconfig +++ b/drivers/iommu/Kconfig @@ -132,50 +132,7 @@ config IOMMU_PGTABLES_L2 def_bool y depends on MSM_IOMMU && MMU && SMP && CPU_DCACHE_DISABLE=n -# AMD IOMMU support -config AMD_IOMMU - bool "AMD IOMMU support" - select SWIOTLB - select PCI_MSI - select PCI_ATS - select PCI_PRI - select PCI_PASID - select IOMMU_API - select IOMMU_IOVA - select IOMMU_DMA - depends on X86_64 && PCI && ACPI - ---help--- - With this option you can enable support for AMD IOMMU hardware in - your system. An IOMMU is a hardware component which provides - remapping of DMA memory accesses from devices. With an AMD IOMMU you - can isolate the DMA memory of different devices and protect the - system from misbehaving device drivers or hardware. - - You can find out if your system has an AMD IOMMU if you look into - your BIOS for an option to enable it or if you have an IVRS ACPI - table. - -config AMD_IOMMU_V2 - tristate "AMD IOMMU Version 2 driver" - depends on AMD_IOMMU - select MMU_NOTIFIER - ---help--- - This option enables support for the AMD IOMMUv2 features of the IOMMU - hardware. Select this option if you want to use devices that support - the PCI PRI and PASID interface. - -config AMD_IOMMU_DEBUGFS - bool "Enable AMD IOMMU internals in DebugFS" - depends on AMD_IOMMU && IOMMU_DEBUGFS - ---help--- - !!!WARNING!!! !!!WARNING!!! !!!WARNING!!! !!!WARNING!!! - - DO NOT ENABLE THIS OPTION UNLESS YOU REALLY, -REALLY- KNOW WHAT YOU ARE DOING!!! - Exposes AMD IOMMU device internals in DebugFS. - - This option is -NOT- intended for production environments, and should - not generally be enabled. - +source "drivers/iommu/amd/Kconfig" source "drivers/iommu/intel/Kconfig" config IRQ_REMAP diff --git a/drivers/iommu/Makefile b/drivers/iommu/Makefile index 71dd2f382e78..f356bc12b1c7 100644 --- a/drivers/iommu/Makefile +++ b/drivers/iommu/Makefile @@ -1,5 +1,5 @@ # SPDX-License-Identifier: GPL-2.0 -obj-y += intel/ +obj-y += amd/ intel/ obj-$(CONFIG_IOMMU_API) += iommu.o obj-$(CONFIG_IOMMU_API) += iommu-traces.o obj-$(CONFIG_IOMMU_API) += iommu-sysfs.o @@ -12,9 +12,6 @@ obj-$(CONFIG_IOASID) += ioasid.o obj-$(CONFIG_IOMMU_IOVA) += iova.o obj-$(CONFIG_OF_IOMMU) += of_iommu.o obj-$(CONFIG_MSM_IOMMU) += msm_iommu.o -obj-$(CONFIG_AMD_IOMMU) += amd/iommu.o amd/init.o amd/quirks.o -obj-$(CONFIG_AMD_IOMMU_DEBUGFS) += amd/debugfs.o -obj-$(CONFIG_AMD_IOMMU_V2) += amd/iommu_v2.o obj-$(CONFIG_ARM_SMMU) += arm_smmu.o arm_smmu-objs += arm-smmu.o arm-smmu-impl.o arm-smmu-qcom.o obj-$(CONFIG_ARM_SMMU_V3) += arm-smmu-v3.o diff --git a/drivers/iommu/amd/Kconfig b/drivers/iommu/amd/Kconfig new file mode 100644 index ..1f061d91e0b8 --- /dev/null +++ b/drivers/iommu/amd/Kconfig @@ -0,0 +1,44 @@ +# SPDX-License-Identifier: GPL-2.0-only +# AMD IOMMU support +config AMD_IOMMU + bool "AMD IOMMU support" + select SWIOTLB + select PCI_MSI + select PCI_ATS + select PCI_PRI + select PCI_PASID + select IOMMU_API + select IOMMU_IOVA + select IOMMU_DMA + depends on X86_64 && PCI && ACPI + help + With this option you can enable support for AMD IOMMU hardware in + your system. An IOMMU is a hardware component which provides + remapping of DMA memory accesses from devices. With an AMD IOMMU you + can isolate the DMA memory of different devices and protect the + system from misbehaving device drivers or hardware. + + You can find out if your system has an AMD IOMMU if you look into + your BIOS for an option to enable it or if you have an IVRS ACPI + table. + +config AMD_IOMMU_V2 + tristate "AMD IOMMU Version 2 driver" + depends on AMD_IOMMU + select MMU_NOTIFIER + help + This option enables support for the AMD IOMMUv2 features of the IOMMU + hardware. Select this option if you want to use devices that support + the PCI PRI and PASID interface. + +config AMD_IOMMU_DEBUGFS + bool "Enable AMD IOMMU internals in DebugFS" + depends on AMD_IOMMU &&
