From: Corentin Labbe <clabbe@baylibre.com>
To: heiko@sntech.de, herbert@gondor.apana.org.au, ardb@kernel.org,
davem@davemloft.net, krzysztof.kozlowski+dt@linaro.org,
mturquette@baylibre.com, robh+dt@kernel.org, sboyd@kernel.org
Cc: linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org,
Corentin Labbe <clabbe@baylibre.com>,
John Keeping <john@metanate.com>
Subject: [PATCH v9 07/33] crypto: rockchip: add fallback for ahash
Date: Thu, 1 Sep 2022 12:56:44 +0000 [thread overview]
Message-ID: <20220901125710.3733083-8-clabbe@baylibre.com> (raw)
In-Reply-To: <20220901125710.3733083-1-clabbe@baylibre.com>
Adds a fallback for all case hardware cannot handle.
Fixes: ce0183cb6464b ("crypto: rockchip - switch to skcipher API")
Reviewed-by: John Keeping <john@metanate.com>
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
---
drivers/crypto/rockchip/rk3288_crypto_ahash.c | 38 +++++++++++++++++++
1 file changed, 38 insertions(+)
diff --git a/drivers/crypto/rockchip/rk3288_crypto_ahash.c b/drivers/crypto/rockchip/rk3288_crypto_ahash.c
index 49017d1fb510..16009bb0bf16 100644
--- a/drivers/crypto/rockchip/rk3288_crypto_ahash.c
+++ b/drivers/crypto/rockchip/rk3288_crypto_ahash.c
@@ -16,6 +16,40 @@
* so we put the fixed hash out when met zero message.
*/
+static bool rk_ahash_need_fallback(struct ahash_request *req)
+{
+ struct scatterlist *sg;
+
+ sg = req->src;
+ while (sg) {
+ if (!IS_ALIGNED(sg->offset, sizeof(u32))) {
+ return true;
+ }
+ if (sg->length % 4) {
+ return true;
+ }
+ sg = sg_next(sg);
+ }
+ return false;
+}
+
+static int rk_ahash_digest_fb(struct ahash_request *areq)
+{
+ struct rk_ahash_rctx *rctx = ahash_request_ctx(areq);
+ struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
+ struct rk_ahash_ctx *tfmctx = crypto_ahash_ctx(tfm);
+
+ ahash_request_set_tfm(&rctx->fallback_req, tfmctx->fallback_tfm);
+ rctx->fallback_req.base.flags = areq->base.flags &
+ CRYPTO_TFM_REQ_MAY_SLEEP;
+
+ rctx->fallback_req.nbytes = areq->nbytes;
+ rctx->fallback_req.src = areq->src;
+ rctx->fallback_req.result = areq->result;
+
+ return crypto_ahash_digest(&rctx->fallback_req);
+}
+
static int zero_message_process(struct ahash_request *req)
{
struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
@@ -167,6 +201,9 @@ static int rk_ahash_digest(struct ahash_request *req)
struct rk_ahash_ctx *tctx = crypto_tfm_ctx(req->base.tfm);
struct rk_crypto_info *dev = tctx->dev;
+ if (rk_ahash_need_fallback(req))
+ return rk_ahash_digest_fb(req);
+
if (!req->nbytes)
return zero_message_process(req);
else
@@ -309,6 +346,7 @@ static void rk_cra_hash_exit(struct crypto_tfm *tfm)
struct rk_ahash_ctx *tctx = crypto_tfm_ctx(tfm);
free_page((unsigned long)tctx->dev->addr_vir);
+ crypto_free_ahash(tctx->fallback_tfm);
}
struct rk_crypto_tmp rk_ahash_sha1 = {
--
2.35.1
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next prev parent reply other threads:[~2022-09-01 14:09 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-01 12:56 [PATCH v9 00/33] crypto: rockchip: permit to pass self-tests Corentin Labbe
2022-09-01 12:56 ` [PATCH v9 01/33] crypto: rockchip: use dev_err for error message about interrupt Corentin Labbe
2022-09-01 12:56 ` [PATCH v9 02/33] crypto: rockchip: do not use uninitialized variable Corentin Labbe
2022-09-01 12:56 ` [PATCH v9 03/33] crypto: rockchip: do not do custom power management Corentin Labbe
2022-09-01 12:56 ` [PATCH v9 04/33] crypto: rockchip: fix privete/private typo Corentin Labbe
2022-09-01 12:56 ` [PATCH v9 05/33] crypto: rockchip: do not store mode globally Corentin Labbe
2022-09-01 12:56 ` [PATCH v9 06/33] crypto: rockchip: add fallback for cipher Corentin Labbe
2022-09-01 12:56 ` Corentin Labbe [this message]
2022-09-01 12:56 ` [PATCH v9 08/33] crypto: rockchip: better handle cipher key Corentin Labbe
2022-09-01 12:56 ` [PATCH v9 09/33] crypto: rockchip: remove non-aligned handling Corentin Labbe
2022-09-01 12:56 ` [PATCH v9 10/33] crypto: rockchip: rework by using crypto_engine Corentin Labbe
2022-09-01 12:56 ` [PATCH v9 11/33] crypto: rockchip: rewrite type Corentin Labbe
2022-09-01 12:56 ` [PATCH v9 12/33] crypto: rockchip: add debugfs Corentin Labbe
2022-09-01 12:56 ` [PATCH v9 13/33] crypto: rockchip: introduce PM Corentin Labbe
2022-09-01 12:56 ` [PATCH v9 14/33] crypto: rockchip: handle reset also in PM Corentin Labbe
2022-09-01 12:56 ` [PATCH v9 15/33] crypto: rockchip: use clk_bulk to simplify clock management Corentin Labbe
2022-09-01 12:56 ` [PATCH v9 16/33] crypto: rockchip: add myself as maintainer Corentin Labbe
2022-09-01 12:56 ` [PATCH v9 17/33] crypto: rockchip: use read_poll_timeout Corentin Labbe
2022-09-01 12:56 ` [PATCH v9 18/33] crypto: rockchip: fix style issue Corentin Labbe
2022-09-01 12:56 ` [PATCH v9 19/33] crypto: rockchip: add support for rk3328 Corentin Labbe
2022-09-01 12:56 ` [PATCH v9 20/33] crypto: rockchip: rename ablk functions to cipher Corentin Labbe
2022-09-01 12:56 ` [PATCH v9 21/33] crypto: rockchip: rework rk_handle_req function Corentin Labbe
2022-09-01 12:56 ` [PATCH v9 22/33] crypto: rockchip: use a rk_crypto_info variable instead of lot of indirection Corentin Labbe
2022-09-01 12:57 ` [PATCH v9 23/33] crypto: rockchip: use the rk_crypto_info given as parameter Corentin Labbe
2022-09-01 12:57 ` [PATCH v9 24/33] dt-bindings: crypto: convert rockchip-crypto to YAML Corentin Labbe
2022-09-01 12:57 ` [PATCH v9 25/33] dt-bindings: crypto: rockchip: convert to new driver bindings Corentin Labbe
2022-09-07 20:38 ` Rob Herring
2022-09-09 8:57 ` LABBE Corentin
2022-09-01 12:57 ` [PATCH v9 26/33] clk: rk3399: use proper crypto0 name Corentin Labbe
2022-09-01 12:57 ` [PATCH v9 27/33] arm64: dts: rockchip: add rk3328 crypto node Corentin Labbe
2022-09-01 12:57 ` [PATCH v9 28/33] arm64: dts: rockchip: rk3399: add " Corentin Labbe
2022-09-01 12:57 ` [PATCH v9 29/33] crypto: rockchip: store crypto_info in request context Corentin Labbe
2022-09-01 12:57 ` [PATCH v9 30/33] crypto: rockchip: Check for clocks numbers and their frequencies Corentin Labbe
2022-09-01 12:57 ` [PATCH v9 31/33] crypto: rockchip: rk_ahash_reg_init use crypto_info from parameter Corentin Labbe
2022-09-01 12:57 ` [PATCH v9 32/33] crypto: rockchip: permit to have more than one reset Corentin Labbe
2022-09-01 12:57 ` [PATCH v9 33/33] crypto: rockchip: Add support for RK3399 Corentin Labbe
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