0001 # SPDX-License-Identifier: GPL-2.0-only
0002 config CRYPTO_DEV_CCP_DD
0003 tristate "Secure Processor device driver"
0004 depends on CPU_SUP_AMD || ARM64
0005 default m
0006 help
0007 Provides AMD Secure Processor device driver.
0008 If you choose 'M' here, this module will be called ccp.
0009
0010 config CRYPTO_DEV_SP_CCP
0011 bool "Cryptographic Coprocessor device"
0012 default y
0013 depends on CRYPTO_DEV_CCP_DD && DMADEVICES
0014 select HW_RANDOM
0015 select DMA_ENGINE
0016 select CRYPTO_SHA1
0017 select CRYPTO_SHA256
0018 help
0019 Provides the support for AMD Cryptographic Coprocessor (CCP) device
0020 which can be used to offload encryption operations such as SHA, AES
0021 and more.
0022
0023 config CRYPTO_DEV_CCP_CRYPTO
0024 tristate "Encryption and hashing offload support"
0025 default m
0026 depends on CRYPTO_DEV_CCP_DD
0027 depends on CRYPTO_DEV_SP_CCP
0028 select CRYPTO_HASH
0029 select CRYPTO_SKCIPHER
0030 select CRYPTO_AUTHENC
0031 select CRYPTO_RSA
0032 select CRYPTO_LIB_AES
0033 help
0034 Support for using the cryptographic API with the AMD Cryptographic
0035 Coprocessor. This module supports offload of SHA and AES algorithms.
0036 If you choose 'M' here, this module will be called ccp_crypto.
0037
0038 config CRYPTO_DEV_SP_PSP
0039 bool "Platform Security Processor (PSP) device"
0040 default y
0041 depends on CRYPTO_DEV_CCP_DD && X86_64
0042 help
0043 Provide support for the AMD Platform Security Processor (PSP).
0044 The PSP is a dedicated processor that provides support for key
0045 management commands in Secure Encrypted Virtualization (SEV) mode,
0046 along with software-based Trusted Execution Environment (TEE) to
0047 enable third-party trusted applications.
0048
0049 config CRYPTO_DEV_CCP_DEBUGFS
0050 bool "Enable CCP Internals in DebugFS"
0051 default n
0052 depends on CRYPTO_DEV_SP_CCP
0053 help
0054 Expose CCP device information such as operation statistics, feature
0055 information, and descriptor queue contents.
