| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 1 | # SPDX-License-Identifier: GPL-2.0-only |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 2 | config 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 | |
| 10 | config 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 | |
| 24 | config 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_BLKCIPHER |
| 31 | select CRYPTO_AUTHENC |
| 32 | select CRYPTO_RSA |
| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 33 | select CRYPTO_LIB_AES |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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 | |
| 39 | config 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. |
| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 49 | |
| 50 | config 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. |