Commit 5d31a85b authored by Gu Zitao's avatar Gu Zitao Committed by Zheng Zengkai
Browse files

sw64: iommu: add iommu driver for sw64 

Sunway inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I4SPZD


CVE: NA

-------------------------------

This adds an IOMMU API implementation for sw64 PCI devices.

Signed-off-by: Gu Zitao <guzitao@wxiat.com> #openEuler_contributor
Signed-off-by: default avatarLaibin Qiu <qiulaibin@huawei.com>
Reviewed-by: default avatarHanjun Guo <guohanjun@huawei.com>
Signed-off-by: default avatarZheng Zengkai <zhengzengkai@huawei.com>
parent b74d7a61

drivers/iommu/Kconfig

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@@ -136,6 +136,7 @@ config MSM_IOMMU 


source "drivers/iommu/amd/Kconfig"

source "drivers/iommu/intel/Kconfig"

source "drivers/iommu/sw64/Kconfig"



config IRQ_REMAP

	bool "Support for Interrupt Remapping"

drivers/iommu/Makefile

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# SPDX-License-Identifier: GPL-2.0

obj-y += amd/ intel/ arm/

obj-y += amd/ intel/ arm/ sw64/

obj-$(CONFIG_IOMMU_API) += iommu.o

obj-$(CONFIG_IOMMU_API) += iommu-traces.o

obj-$(CONFIG_IOMMU_API) += iommu-sysfs.o

drivers/iommu/sw64/Kconfig

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# SPDX-License-Identifier: GPL-2.0-only

# SW64 IOMMU SUPPORT

config SUNWAY_IOMMU

        bool "Sunway IOMMU Support"

        select IOMMU_API

        select IOMMU_IOVA

        depends on SW64 && PCI

        help

          Support for IOMMU on SW64 platform.

drivers/iommu/sw64/Makefile

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# SPDX-License-Identifier: GPL-2.0-only

obj-$(CONFIG_SUNWAY_IOMMU) += sunway_iommu.o

drivers/iommu/sw64/sunway_iommu.c

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+1710 −0

File added.

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