[PATCH v2 0/6] crypto: engine - Permit to enqueue all async requests
Corentin Labbe
clabbe.montjoie at gmail.com
Fri Jan 26 11:15:28 PST 2018
Hello
The current crypto_engine support only ahash and ablkcipher request.
My first patch which try to add skcipher was Nacked, it will add too many functions
and adding other algs(aead, asymetric_key) will make the situation worst.
This patchset remove all algs specific stuff and now only process generic crypto_async_request.
The requests handler function pointer are now moved out of struct engine and
are now stored directly in a crypto_engine_reqctx.
The original proposal of Herbert [1] cannot be done completly since the crypto_engine
could only dequeue crypto_async_request and it is impossible to access any request_ctx
without knowing the underlying request type.
So I do something near that was requested: adding crypto_engine_reqctx in TFM context.
Note that the current implementation expect that crypto_engine_reqctx
is the first member of the context.
The first patch is a try to document the crypto engine API.
The second patch convert the crypto engine with the new way,
while the following patchs convert the 4 existing users of crypto_engine.
Note that this split break bisection, so probably the final commit will be all merged.
Appart from virtio, all 4 latest patch were compile tested only.
But the crypto engine is tested with my new sun8i-ce driver.
Regards
[1] https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg1474434.html
Changes since V1:
- renamed crypto_engine_reqctx to crypto_engine_ctx
- indentation fix in function parameter
- do not export crypto_transfer_request
- Add aead support
- crypto_finalize_request is now static
Changes since RFC:
- Added a documentation patch
- Added patch for stm32-cryp
- Changed parameter of all crypto_engine_op functions from
crypto_async_request to void*
- Reintroduced crypto_transfer_xxx_request_to_engine functions
Corentin Labbe (6):
Documentation: crypto: document crypto engine API
crypto: engine - Permit to enqueue all async requests
crypto: omap: convert to new crypto engine API
crypto: virtio: convert to new crypto engine API
crypto: stm32-hash: convert to the new crypto engine API
crypto: stm32-cryp: convert to the new crypto engine API
Documentation/crypto/crypto_engine.rst | 48 +++++
crypto/crypto_engine.c | 301 +++++++++++++++------------
drivers/crypto/omap-aes.c | 21 +-
drivers/crypto/omap-aes.h | 3 +
drivers/crypto/omap-des.c | 24 ++-
drivers/crypto/stm32/stm32-cryp.c | 29 ++-
drivers/crypto/stm32/stm32-hash.c | 20 +-
drivers/crypto/virtio/virtio_crypto_algs.c | 16 +-
drivers/crypto/virtio/virtio_crypto_common.h | 3 +-
drivers/crypto/virtio/virtio_crypto_core.c | 3 -
include/crypto/engine.h | 68 +++---
11 files changed, 332 insertions(+), 204 deletions(-)
create mode 100644 Documentation/crypto/crypto_engine.rst
--
2.13.6
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