Introduce the cypto engine framework

Now block cipher engines need to implement and maintain their own queue/thread for processing requests, moreover currently helpers provided for only the queue itself (in crypto_enqueue_request() and crypto_dequeue_request()) but they don't help with the mechanics of driving the hardware (things like running the request immediately, DMA map it or providing a thread to process the queue in) even though a lot of that code really shouldn't vary that much from device to device.

This patch introduces the crypto engine framework to help the crypto hardware drivers to queue requests.

Baolin Wang (3):
crypto: Introduce crypto_queue_len() helper function
crypto: Introduce the block request crypto engine framework
crypto: omap-aes: Support crypto engine framework

 crypto/Kconfig            |    3 +
 crypto/Makefile           |    1 +
 crypto/crypto_engine.c    |  355 +++++++++++++++++++++++++++++++++++++++++++++
 drivers/crypto/Kconfig    |    1 +
 drivers/crypto/omap-aes.c |   97 ++++++-------
 include/crypto/algapi.h   |   74 ++++++++++
 6 files changed, 478 insertions(+), 53 deletions(-)
 create mode 100644 crypto/crypto_engine.c

1.7.9.5