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This patch adds support for the crypto4xx RevB cores
found in the 460EX, 460SX and later cores (like the APM821xx).
Without this patch, the crypto4xx driver will not be
able to process any offloaded requests and simply hang
indefinitely.
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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If the crypto4xx device is continuously loaded by dm-crypt
and ipsec work, it will start to work intermittent after a
few (between 20-30) seconds, hurting throughput and latency.
This patch contains various stability improvements in order
to fix this issue. So far, the hardware has survived more
than a day without suffering any stalls under the continuous
load.
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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trivial spelling mistake, missing r, rename to ce_ring_control
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch integrates the ppc4xx-rng driver into the existing
crypto4xx. This is because the true random number generator
is controlled and part of the security core.
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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This patch adds support for AMCC ppc4xx security device driver. This is the
initial release that includes the driver framework with AES and SHA1 algorithms
support.
The remaining algorithms will be released in the near future.
Signed-off-by: James Hsiao <jhsiao@amcc.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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