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 14 select HW_RANDOM 15 select DMA_ENGINE 16 select DMADEVICES 17 select CRYPTO_SHA1 18 select CRYPTO_SHA256 19 help 20 Provides the support for AMD Cryptographic Coprocessor (CCP) device 21 which can be used to offload encryption operations such as SHA, AES 22 and more. 23 24config CRYPTO_DEV_CCP_CRYPTO 25 tristate "Encryption and hashing offload support" 26 default m 27 depends on CRYPTO_DEV_CCP_DD 28 depends on CRYPTO_DEV_SP_CCP 29 select CRYPTO_HASH 30 select CRYPTO_SKCIPHER 31 select CRYPTO_AUTHENC 32 select CRYPTO_RSA 33 select CRYPTO_LIB_AES 34 help 35 Support for using the cryptographic API with the AMD Cryptographic 36 Coprocessor. This module supports offload of SHA and AES algorithms. 37 If you choose 'M' here, this module will be called ccp_crypto. 38 39config CRYPTO_DEV_SP_PSP 40 bool "Platform Security Processor (PSP) device" 41 default y 42 depends on CRYPTO_DEV_CCP_DD && X86_64 43 help 44 Provide support for the AMD Platform Security Processor (PSP). 45 The PSP is a dedicated processor that provides support for key 46 management commands in Secure Encrypted Virtualization (SEV) mode, 47 along with software-based Trusted Execution Environment (TEE) to 48 enable third-party trusted applications. 49 50config CRYPTO_DEV_CCP_DEBUGFS 51 bool "Enable CCP Internals in DebugFS" 52 default n 53 depends on CRYPTO_DEV_SP_CCP 54 help 55 Expose CCP device information such as operation statistics, feature 56 information, and descriptor queue contents. 57