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crypto: ccp - Introduce the AMD Secure Processor device

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The CCP device is part of the AMD Secure Processor. In order to expand
the usage of the AMD Secure Processor, create a framework that allows
functional components of the AMD Secure Processor to be initialized and
handled appropriately.

Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
Acked-by: Gary R Hook <gary.hook@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Brijesh Singh 2017-07-06 09:59:14 -05:00 • committed by Herbert Xu
parent 970e8303cb
commit 720419f018
12 changed files with 468 additions and 169 deletions
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7
include/linux/ccp.h
View file

@ -23,8 +23,7 @@
struct ccp_device;
struct ccp_cmd;
#if defined(CONFIG_CRYPTO_DEV_CCP_DD) || \
defined(CONFIG_CRYPTO_DEV_CCP_DD_MODULE)
#if defined(CONFIG_CRYPTO_DEV_SP_CCP)
/**
* ccp_present - check if a CCP device is present
@ -70,7 +69,7 @@ unsigned int ccp_version(void);
*/
int ccp_enqueue_cmd(struct ccp_cmd *cmd);
#else /* CONFIG_CRYPTO_DEV_CCP_DD is not enabled */
#else /* CONFIG_CRYPTO_DEV_CCP_SP_DEV is not enabled */
static inline int ccp_present(void)
{
@ -87,7 +86,7 @@ static inline int ccp_enqueue_cmd(struct ccp_cmd *cmd)
return -ENODEV;
}
#endif /* CONFIG_CRYPTO_DEV_CCP_DD */
#endif /* CONFIG_CRYPTO_DEV_SP_CCP */
/***** AES engine *****/