Linux lhjmq-records 5.15.0-118-generic #128-Ubuntu SMP Fri Jul 5 09:28:59 UTC 2024 x86_64
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# 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.
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