1 # SPDX-License-Identifier: GPL-2.0-only
2 config CRYPTO_DEV_CCP_DD
3 tristate "Secure Processor device driver"
4 depends on CPU_SUP_AMD || ARM64
7 Provides AMD Secure Processor device driver.
8 If you choose 'M' here, this module will be called ccp.
10 config CRYPTO_DEV_SP_CCP
11 bool "Cryptographic Coprocessor device"
13 depends on CRYPTO_DEV_CCP_DD
20 Provides the support for AMD Cryptographic Coprocessor (CCP) device
21 which can be used to offload encryption operations such as SHA, AES
24 config CRYPTO_DEV_CCP_CRYPTO
25 tristate "Encryption and hashing offload support"
27 depends on CRYPTO_DEV_CCP_DD
28 depends on CRYPTO_DEV_SP_CCP
30 select CRYPTO_SKCIPHER
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.
39 config CRYPTO_DEV_SP_PSP
40 bool "Platform Security Processor (PSP) device"
42 depends on CRYPTO_DEV_CCP_DD && X86_64
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.
50 config CRYPTO_DEV_CCP_DEBUGFS
51 bool "Enable CCP Internals in DebugFS"
53 depends on CRYPTO_DEV_SP_CCP
55 Expose CCP device information such as operation statistics, feature
56 information, and descriptor queue contents.