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-rw-r--r--drivers/crypto/ccp/Kconfig55
1 files changed, 55 insertions, 0 deletions
diff --git a/drivers/crypto/ccp/Kconfig b/drivers/crypto/ccp/Kconfig
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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.