Commit c74ae2c5 authored Apr 25, 2024 by Yabin Li Committed by yangdepei Aug 19, 2024

hct: add mediated ccp driver support for hygon crypto technology.

hygon inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I99ZNA



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

Add the hct.ko driver module to support the HYGON Cryptography Technology
(HCT) Engine, which also supports CCP virtualization.

Signed-off-by: Yabin Li <liyabin@hygon.cn>
Signed-off-by: yangdepei <yangdepei@hygon.cn>

parent 641a2595

arch/x86/configs/openeuler_defconfig

+1 −0

Original line number	Diff line number	Diff line
		@@ -8821,6 +8821,7 @@ CONFIG_TCG_HYGON=m
		CONFIG_TCM_HYGON=m
		CONFIG_TDM_DEV_HYGON=y
		CONFIG_TDM_KERNEL_GUARD=m
		CONFIG_CRYPTO_DEV_HCT=m
		# CONFIG_CRYPTO_DEV_CCP_DEBUGFS is not set
		CONFIG_CRYPTO_DEV_NITROX=m
		CONFIG_CRYPTO_DEV_NITROX_CNN55XX=m

drivers/crypto/ccp/Kconfig

+12 −0

Original line number	Diff line number	Diff line
		@@ -87,3 +87,15 @@ config TDM_KERNEL_GUARD
		The key part of kernel is protected by TDM technology, SCT and IDT
		are protected by default, and others are added later according to the
		requirements.

		config CRYPTO_DEV_HCT
		tristate "HCT CCP device"
		default m
		depends on X86_64
		select VFIO_MDEV
		help
		Provides hygon crypto technology ccp device driver.
		Support virtualize ccp devices based on mediated devices.
		Support multi-process and virtual machines.
		Support host-noiommu mode memory encryption function.
		If you choose 'M' here, this module will be called hct ccp.

drivers/crypto/ccp/Makefile

+2 −0

Original line number	Diff line number	Diff line
		@@ -22,6 +22,8 @@ ccp-$(CONFIG_CRYPTO_DEV_SP_PSP) += psp-dev.o \

		ccp-$(CONFIG_TDM_DEV_HYGON) += hygon/tdm-dev.o

		obj-$(CONFIG_CRYPTO_DEV_HCT) += hygon/hct.o

		obj-$(CONFIG_CRYPTO_DEV_CCP_CRYPTO) += ccp-crypto.o
		ccp-crypto-objs := ccp-crypto-main.o \
		ccp-crypto-aes.o \

drivers/crypto/ccp/hygon/hct.c

0 → 100644

+2182 −0

File added.

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