Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1# SPDX-License-Identifier: GPL-2.0-only
2config 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
10config CRYPTO_DEV_SP_CCP
11 bool "Cryptographic Coprocessor device"
12 default y
13 depends on CRYPTO_DEV_CCP_DD && DMADEVICES
14 select HW_RANDOM
15 select DMA_ENGINE
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
23config 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_SKCIPHER
30 select CRYPTO_AUTHENC
31 select CRYPTO_RSA
32 select CRYPTO_LIB_AES
33 help
34 Support for using the cryptographic API with the AMD Cryptographic
35 Coprocessor. This module supports offload of SHA and AES algorithms.
36 If you choose 'M' here, this module will be called ccp_crypto.
37
38config CRYPTO_DEV_SP_PSP
39 bool "Platform Security Processor (PSP) device"
40 default y
41 depends on CRYPTO_DEV_CCP_DD && X86_64 && AMD_IOMMU
42 help
43 Provide support for the AMD Platform Security Processor (PSP).
44 The PSP is a dedicated processor that provides support for key
45 management commands in Secure Encrypted Virtualization (SEV) mode,
46 along with software-based Trusted Execution Environment (TEE) to
47 enable third-party trusted applications.
48
49config CRYPTO_DEV_CCP_DEBUGFS
50 bool "Enable CCP Internals in DebugFS"
51 default n
52 depends on CRYPTO_DEV_SP_CCP
53 help
54 Expose CCP device information such as operation statistics, feature
55 information, and descriptor queue contents.