| # SPDX-License-Identifier: GPL-2.0-only |
| config CRYPTO_DEV_CCP_DD |
| tristate "Secure Processor device driver" |
| depends on CPU_SUP_AMD || ARM64 |
| default m |
| help |
| Provides AMD Secure Processor device driver. |
| If you choose 'M' here, this module will be called ccp. |
| |
| config CRYPTO_DEV_SP_CCP |
| bool "Cryptographic Coprocessor device" |
| default y |
| depends on CRYPTO_DEV_CCP_DD && DMADEVICES |
| select HW_RANDOM |
| select DMA_ENGINE |
| select CRYPTO_SHA1 |
| select CRYPTO_SHA256 |
| help |
| Provides the support for AMD Cryptographic Coprocessor (CCP) device |
| which can be used to offload encryption operations such as SHA, AES |
| and more. |
| |
| config CRYPTO_DEV_CCP_CRYPTO |
| tristate "Encryption and hashing offload support" |
| default m |
| depends on CRYPTO_DEV_CCP_DD |
| depends on CRYPTO_DEV_SP_CCP |
| select CRYPTO_HASH |
| select CRYPTO_SKCIPHER |
| select CRYPTO_AUTHENC |
| select CRYPTO_RSA |
| select CRYPTO_LIB_AES |
| help |
| Support for using the cryptographic API with the AMD Cryptographic |
| Coprocessor. This module supports offload of SHA and AES algorithms. |
| If you choose 'M' here, this module will be called ccp_crypto. |
| |
| config CRYPTO_DEV_SP_PSP |
| bool "Platform Security Processor (PSP) device" |
| default y |
| depends on CRYPTO_DEV_CCP_DD && X86_64 |
| help |
| Provide support for the AMD Platform Security Processor (PSP). |
| The PSP is a dedicated processor that provides support for key |
| management commands in Secure Encrypted Virtualization (SEV) mode, |
| along with software-based Trusted Execution Environment (TEE) to |
| enable third-party trusted applications. |
| |
| config CRYPTO_DEV_CCP_DEBUGFS |
| bool "Enable CCP Internals in DebugFS" |
| default n |
| depends on CRYPTO_DEV_SP_CCP |
| help |
| Expose CCP device information such as operation statistics, feature |
| information, and descriptor queue contents. |
