| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame] | 1 | config CRYPTO_DEV_CCP_DD |
| 2 | tristate "Secure Processor device driver" |
| 3 | depends on CPU_SUP_AMD || ARM64 |
| 4 | default m |
| 5 | help |
| 6 | Provides AMD Secure Processor device driver. |
| 7 | If you choose 'M' here, this module will be called ccp. |
| 8 | |
| 9 | config CRYPTO_DEV_SP_CCP |
| 10 | bool "Cryptographic Coprocessor device" |
| 11 | default y |
| 12 | depends on CRYPTO_DEV_CCP_DD |
| 13 | select HW_RANDOM |
| 14 | select DMA_ENGINE |
| 15 | select DMADEVICES |
| 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 | |
| 23 | config 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_BLKCIPHER |
| 30 | select CRYPTO_AUTHENC |
| 31 | select CRYPTO_RSA |
| 32 | help |
| 33 | Support for using the cryptographic API with the AMD Cryptographic |
| 34 | Coprocessor. This module supports offload of SHA and AES algorithms. |
| 35 | If you choose 'M' here, this module will be called ccp_crypto. |
| 36 | |
| 37 | config CRYPTO_DEV_SP_PSP |
| 38 | bool "Platform Security Processor (PSP) device" |
| 39 | default y |
| 40 | depends on CRYPTO_DEV_CCP_DD && X86_64 |
| 41 | help |
| 42 | Provide support for the AMD Platform Security Processor (PSP). |
| 43 | The PSP is a dedicated processor that provides support for key |
| 44 | management commands in Secure Encrypted Virtualization (SEV) mode, |
| 45 | along with software-based Trusted Execution Environment (TEE) to |
| 46 | enable third-party trusted applications. |