diff options
| author | Romain Perier <romain.perier@free-electrons.com> | 2016-06-21 11:08:37 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2016-06-23 13:17:25 +0300 |
| commit | 2786cee8e50bb4b4303dc22665f391b72318fa84 (patch) | |
| tree | d56824641545a3493e330ea5b735dbc65277b3c5 /drivers/crypto | |
| parent | 1bf6682cb31dff64c11564fe0c12ddd2cda23626 (diff) | |
| download | linux-2786cee8e50bb4b4303dc22665f391b72318fa84.tar.xz | |
crypto: marvell - Move SRAM I/O operations to step functions
Currently the crypto requests were sent to engines sequentially.
This commit moves the SRAM I/O operations from the prepare to the step
functions. It provides flexibility for future works and allow to prepare
a request while the engine is running.
Signed-off-by: Romain Perier <romain.perier@free-electrons.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/marvell/cipher.c | 6 | ||||
| -rw-r--r-- | drivers/crypto/marvell/hash.c | 18 |
2 files changed, 12 insertions, 12 deletions
diff --git a/drivers/crypto/marvell/cipher.c b/drivers/crypto/marvell/cipher.c index f994469feeb9..1e9c722b1bb0 100644 --- a/drivers/crypto/marvell/cipher.c +++ b/drivers/crypto/marvell/cipher.c @@ -89,6 +89,9 @@ static void mv_cesa_ablkcipher_std_step(struct ablkcipher_request *req) size_t len = min_t(size_t, req->nbytes - sreq->offset, CESA_SA_SRAM_PAYLOAD_SIZE); + mv_cesa_adjust_op(engine, &sreq->op); + memcpy_toio(engine->sram, &sreq->op, sizeof(sreq->op)); + len = sg_pcopy_to_buffer(req->src, creq->src_nents, engine->sram + CESA_SA_DATA_SRAM_OFFSET, len, sreq->offset); @@ -177,12 +180,9 @@ mv_cesa_ablkcipher_std_prepare(struct ablkcipher_request *req) { struct mv_cesa_ablkcipher_req *creq = ablkcipher_request_ctx(req); struct mv_cesa_ablkcipher_std_req *sreq = &creq->std; - struct mv_cesa_engine *engine = creq->base.engine; sreq->size = 0; sreq->offset = 0; - mv_cesa_adjust_op(engine, &sreq->op); - memcpy_toio(engine->sram, &sreq->op, sizeof(sreq->op)); } static inline void mv_cesa_ablkcipher_prepare(struct crypto_async_request *req, diff --git a/drivers/crypto/marvell/hash.c b/drivers/crypto/marvell/hash.c index faa677a3e881..4146757d34eb 100644 --- a/drivers/crypto/marvell/hash.c +++ b/drivers/crypto/marvell/hash.c @@ -162,6 +162,15 @@ static void mv_cesa_ahash_std_step(struct ahash_request *req) unsigned int new_cache_ptr = 0; u32 frag_mode; size_t len; + unsigned int digsize; + int i; + + mv_cesa_adjust_op(engine, &creq->op_tmpl); + memcpy_toio(engine->sram, &creq->op_tmpl, sizeof(creq->op_tmpl)); + + digsize = crypto_ahash_digestsize(crypto_ahash_reqtfm(req)); + for (i = 0; i < digsize / 4; i++) + writel_relaxed(creq->state[i], engine->regs + CESA_IVDIG(i)); if (creq->cache_ptr) memcpy_toio(engine->sram + CESA_SA_DATA_SRAM_OFFSET, @@ -265,11 +274,8 @@ static void mv_cesa_ahash_std_prepare(struct ahash_request *req) { struct mv_cesa_ahash_req *creq = ahash_request_ctx(req); struct mv_cesa_ahash_std_req *sreq = &creq->req.std; - struct mv_cesa_engine *engine = creq->base.engine; sreq->offset = 0; - mv_cesa_adjust_op(engine, &creq->op_tmpl); - memcpy_toio(engine->sram, &creq->op_tmpl, sizeof(creq->op_tmpl)); } static void mv_cesa_ahash_step(struct crypto_async_request *req) @@ -336,8 +342,6 @@ static void mv_cesa_ahash_prepare(struct crypto_async_request *req, { struct ahash_request *ahashreq = ahash_request_cast(req); struct mv_cesa_ahash_req *creq = ahash_request_ctx(ahashreq); - unsigned int digsize; - int i; creq->base.engine = engine; @@ -345,10 +349,6 @@ static void mv_cesa_ahash_prepare(struct crypto_async_request *req, mv_cesa_ahash_dma_prepare(ahashreq); else mv_cesa_ahash_std_prepare(ahashreq); - - digsize = crypto_ahash_digestsize(crypto_ahash_reqtfm(ahashreq)); - for (i = 0; i < digsize / 4; i++) - writel_relaxed(creq->state[i], engine->regs + CESA_IVDIG(i)); } static void mv_cesa_ahash_req_cleanup(struct crypto_async_request *req) |