3 commits

Author	SHA1	Message	Date
Marcelo Cerri	a8fc391a15	crypto: nx - add offset to nx_build_sg_lists() ... This patch includes one more parameter to nx_build_sg_lists() to skip the given number of bytes from beginning of each sg list. This is needed in order to implement the fixes for the AES modes to make them able to process larger chunks of data. Reviewed-by: Joy Latten <jmlatten@linux.vnet.ibm.com> Signed-off-by: Marcelo Cerri <mhcerri@linux.vnet.ibm.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>	2013-09-02 20:32:52 +10:00
Marcelo Cerri	c849163b80	crypto: nx - fix concurrency issue ... The NX driver uses the transformation context to store several fields containing data related to the state of the operations in progress. Since a single tfm can be used by different kernel threads at the same time, we need to protect the data stored into the context. This patch makes use of spin locks to protect the data where a race condition can happen. Reviewed-by: Fionnuala Gunter <fin@linux.vnet.ibm.com> Reviewed-by: Joy Latten <jmlatten@linux.vnet.ibm.com> Signed-off-by: Marcelo Cerri <mhcerri@linux.vnet.ibm.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>	2013-08-14 20:42:04 +10:00
Kent Yoder	ae0222b728	powerpc/crypto: nx driver code supporting nx encryption ... These routines add the base device driver code supporting the Power7+ in-Nest encryption accelerator (nx) device. Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>	2012-05-16 15:05:41 +10:00