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Add a driver to support the AES hardware on the Geode LX processor. Signed-off-by: Jordan Crouse <jordan.crouse@amd.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
68 lines
1.9 KiB
Plaintext
68 lines
1.9 KiB
Plaintext
menu "Hardware crypto devices"
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config CRYPTO_DEV_PADLOCK
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tristate "Support for VIA PadLock ACE"
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depends on X86_32
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select CRYPTO_ALGAPI
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default m
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help
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Some VIA processors come with an integrated crypto engine
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(so called VIA PadLock ACE, Advanced Cryptography Engine)
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that provides instructions for very fast cryptographic
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operations with supported algorithms.
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The instructions are used only when the CPU supports them.
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Otherwise software encryption is used.
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Selecting M for this option will compile a helper module
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padlock.ko that should autoload all below configured
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algorithms. Don't worry if your hardware does not support
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some or all of them. In such case padlock.ko will
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simply write a single line into the kernel log informing
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about its failure but everything will keep working fine.
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If you are unsure, say M. The compiled module will be
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called padlock.ko
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config CRYPTO_DEV_PADLOCK_AES
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tristate "PadLock driver for AES algorithm"
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depends on CRYPTO_DEV_PADLOCK
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select CRYPTO_BLKCIPHER
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default m
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help
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Use VIA PadLock for AES algorithm.
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Available in VIA C3 and newer CPUs.
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If unsure say M. The compiled module will be
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called padlock-aes.ko
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config CRYPTO_DEV_PADLOCK_SHA
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tristate "PadLock driver for SHA1 and SHA256 algorithms"
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depends on CRYPTO_DEV_PADLOCK
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select CRYPTO_SHA1
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select CRYPTO_SHA256
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default m
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help
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Use VIA PadLock for SHA1/SHA256 algorithms.
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Available in VIA C7 and newer processors.
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If unsure say M. The compiled module will be
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called padlock-sha.ko
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config CRYPTO_DEV_GEODE
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tristate "Support for the Geode LX AES engine"
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depends on CRYPTO && X86_32
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select CRYPTO_ALGAPI
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select CRYPTO_BLKCIPHER
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default m
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help
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Say 'Y' here to use the AMD Geode LX processor on-board AES
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engine for the CryptoAPI AES alogrithm.
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To compile this driver as a module, choose M here: the module
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will be called geode-aes.
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endmenu
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