1# SPDX-License-Identifier: GPL-2.0-only 2config CRYPTO_DEV_CCP_DD 3 tristate "Secure Processor device driver" 4 depends on CPU_SUP_AMD || ARM64 5 default m 6 help 7 Provides AMD Secure Processor device driver. 8 If you choose 'M' here, this module will be called ccp. 9 10config CRYPTO_DEV_SP_CCP 11 bool "Cryptographic Coprocessor device" 12 default y 13 depends on CRYPTO_DEV_CCP_DD && DMADEVICES 14 select HW_RANDOM 15 select DMA_ENGINE 16 select CRYPTO_SHA1 17 select CRYPTO_SHA256 18 help 19 Provides the support for AMD Cryptographic Coprocessor (CCP) device 20 which can be used to offload encryption operations such as SHA, AES 21 and more. 22 23config CRYPTO_DEV_CCP_CRYPTO 24 tristate "Encryption and hashing offload support" 25 default m 26 depends on CRYPTO_DEV_CCP_DD 27 depends on CRYPTO_DEV_SP_CCP 28 select CRYPTO_HASH 29 select CRYPTO_SKCIPHER 30 select CRYPTO_AUTHENC 31 select CRYPTO_RSA 32 select CRYPTO_LIB_AES 33 help 34 Support for using the cryptographic API with the AMD Cryptographic 35 Coprocessor. This module supports offload of SHA and AES algorithms. 36 If you choose 'M' here, this module will be called ccp_crypto. 37 38config CRYPTO_DEV_SP_PSP 39 bool "Platform Security Processor (PSP) device" 40 default y 41 depends on CRYPTO_DEV_CCP_DD && X86_64 42 help 43 Provide support for the AMD Platform Security Processor (PSP). 44 The PSP is a dedicated processor that provides support for key 45 management commands in Secure Encrypted Virtualization (SEV) mode, 46 along with software-based Trusted Execution Environment (TEE) to 47 enable third-party trusted applications. 48 49config CRYPTO_DEV_CCP_DEBUGFS 50 bool "Enable CCP Internals in DebugFS" 51 default n 52 depends on CRYPTO_DEV_SP_CCP 53 help 54 Expose CCP device information such as operation statistics, feature 55 information, and descriptor queue contents. 56