[PATCH 6/6] crypto: stm32-cryp: convert to the new crypto engine API
From: clabbe.montjoie@gmail.com (Corentin Labbe)
Date: 2018-01-03 20:13:35
Also in:
linux-crypto, lkml, virtualization
Subsystem:
crypto api, the rest · Maintainers:
Herbert Xu, "David S. Miller", Linus Torvalds
This patch convert the stm32-cryp driver to the new crypto engine API. Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com> --- drivers/crypto/stm32/stm32-cryp.c | 21 ++++++++++++++++----- 1 file changed, 16 insertions(+), 5 deletions(-)
diff --git a/drivers/crypto/stm32/stm32-cryp.c b/drivers/crypto/stm32/stm32-cryp.c
index cf1dddbeaa2c..99e0473ef247 100644
--- a/drivers/crypto/stm32/stm32-cryp.c
+++ b/drivers/crypto/stm32/stm32-cryp.c@@ -91,6 +91,7 @@ #define _walked_out (cryp->out_walk.offset - cryp->out_sg->offset) struct stm32_cryp_ctx { + struct crypto_engine_reqctx enginectx; struct stm32_cryp *cryp; int keylen; u32 key[AES_KEYSIZE_256 / sizeof(u32)];
@@ -494,10 +495,20 @@ static int stm32_cryp_cpu_start(struct stm32_cryp *cryp) return 0; } +static int stm32_cryp_cipher_one_req(struct crypto_engine *engine, + void *areq); +static int stm32_cryp_prepare_cipher_req(struct crypto_engine *engine, + void *areq); + static int stm32_cryp_cra_init(struct crypto_tfm *tfm) { + struct stm32_cryp_ctx *ctx = crypto_tfm_ctx(tfm); + tfm->crt_ablkcipher.reqsize = sizeof(struct stm32_cryp_reqctx); + ctx->enginectx.op.do_one_request = stm32_cryp_cipher_one_req; + ctx->enginectx.op.prepare_request = stm32_cryp_prepare_cipher_req; + ctx->enginectx.op.unprepare_request = NULL; return 0; }
@@ -695,14 +706,17 @@ static int stm32_cryp_prepare_req(struct crypto_engine *engine, } static int stm32_cryp_prepare_cipher_req(struct crypto_engine *engine, - struct ablkcipher_request *req) + void *areq) { + struct ablkcipher_request *req = container_of(areq, struct ablkcipher_request, base); + return stm32_cryp_prepare_req(engine, req); } static int stm32_cryp_cipher_one_req(struct crypto_engine *engine, - struct ablkcipher_request *req) + void *areq) { + struct ablkcipher_request *req = container_of(areq, struct ablkcipher_request, base); struct stm32_cryp_ctx *ctx = crypto_ablkcipher_ctx( crypto_ablkcipher_reqtfm(req)); struct stm32_cryp *cryp = ctx->cryp;
@@ -1104,9 +1118,6 @@ static int stm32_cryp_probe(struct platform_device *pdev) goto err_engine1; } - cryp->engine->prepare_cipher_request = stm32_cryp_prepare_cipher_req; - cryp->engine->cipher_one_request = stm32_cryp_cipher_one_req; - ret = crypto_engine_start(cryp->engine); if (ret) { dev_err(dev, "Could not start crypto engine\n");
--
2.13.6