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Message-ID:
<PAXPR04MB83017021568C4B43DDB039B68E6AA@PAXPR04MB8301.eurprd04.prod.outlook.com>
Date: Tue, 10 Jun 2025 05:55:23 +0000
From: Meenakshi Aggarwal <meenakshi.aggarwal@....com>
To: Gaurav Jain <gaurav.jain@....com>, "herbert@...dor.apana.org.au"
<herbert@...dor.apana.org.au>, "davem@...emloft.net" <davem@...emloft.net>,
"linux-crypto@...r.kernel.org" <linux-crypto@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH] crypto: caam - Set DMA alignment explicitly
Hi Herbert,
Please accept if no further comments.
Thanks,
Meenakshi
> -----Original Message-----
> From: Gaurav Jain <gaurav.jain@....com>
> Sent: 05 June 2025 14:20
> To: Meenakshi Aggarwal <meenakshi.aggarwal@....com>;
> herbert@...dor.apana.org.au; davem@...emloft.net; linux-
> crypto@...r.kernel.org; linux-kernel@...r.kernel.org
> Subject: RE: [PATCH] crypto: caam - Set DMA alignment explicitly
>
> Reviewed-by: Gaurav Jain <gaurav.jain@....com
>
> > -----Original Message-----
> > From: Meenakshi Aggarwal <meenakshi.aggarwal@....com>
> > Sent: Wednesday, June 4, 2025 3:45 PM
> > To: Gaurav Jain <gaurav.jain@....com>; herbert@...dor.apana.org.au;
> > davem@...emloft.net; linux-crypto@...r.kernel.org; linux-
> > kernel@...r.kernel.org
> > Cc: Meenakshi Aggarwal <meenakshi.aggarwal@....com>
> > Subject: [PATCH] crypto: caam - Set DMA alignment explicitly
> >
> > From: Meenakshi Aggarwal <meenakshi.aggarwal@....com>
> >
> > Few DMA alignment were missed in the original patch.
> >
> > Fixes: 4cb4f7c11dee ("crypto: caam - Set DMA alignment explicitly")
> >
> > Signed-off-by: Meenakshi Aggarwal <meenakshi.aggarwal@....com>
> > ---
> > drivers/crypto/caam/caamalg.c | 22 +++++++++++-----------
> > drivers/crypto/caam/caamalg_qi.c | 4 ++--
> > 2 files changed, 13 insertions(+), 13 deletions(-)
> >
> > diff --git a/drivers/crypto/caam/caamalg.c
> > b/drivers/crypto/caam/caamalg.c index 2cfb1b8d8c7c..81dfbe436c20
> > 100644
> > --- a/drivers/crypto/caam/caamalg.c
> > +++ b/drivers/crypto/caam/caamalg.c
> > @@ -980,7 +980,7 @@ static void aead_crypt_done(struct device *jrdev,
> > u32 *desc, u32 err,
> > void *context)
> > {
> > struct aead_request *req = context;
> > - struct caam_aead_req_ctx *rctx = aead_request_ctx(req);
> > + struct caam_aead_req_ctx *rctx = aead_request_ctx_dma(req);
> > struct caam_drv_private_jr *jrp = dev_get_drvdata(jrdev);
> > struct aead_edesc *edesc;
> > int ecode = 0;
> > @@ -1020,7 +1020,7 @@ static void skcipher_crypt_done(struct device
> > *jrdev,
> > u32 *desc, u32 err, {
> > struct skcipher_request *req = context;
> > struct skcipher_edesc *edesc;
> > - struct caam_skcipher_req_ctx *rctx = skcipher_request_ctx(req);
> > + struct caam_skcipher_req_ctx *rctx = skcipher_request_ctx_dma(req);
> > struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req);
> > struct caam_drv_private_jr *jrp = dev_get_drvdata(jrdev);
> > int ivsize = crypto_skcipher_ivsize(skcipher); @@ -1309,7 +1309,7 @@
> > static struct aead_edesc *aead_edesc_alloc(struct aead_request *req,
> > struct crypto_aead *aead = crypto_aead_reqtfm(req);
> > struct caam_ctx *ctx = crypto_aead_ctx_dma(aead);
> > struct device *jrdev = ctx->jrdev;
> > - struct caam_aead_req_ctx *rctx = aead_request_ctx(req);
> > + struct caam_aead_req_ctx *rctx = aead_request_ctx_dma(req);
> > gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
> > GFP_KERNEL : GFP_ATOMIC;
> > int src_nents, mapped_src_nents, dst_nents = 0, mapped_dst_nents =
> > 0; @@ -1445,7 +1445,7 @@ static struct aead_edesc
> > *aead_edesc_alloc(struct aead_request *req, static int
> > aead_enqueue_req(struct device *jrdev, struct aead_request *req) {
> > struct caam_drv_private_jr *jrpriv = dev_get_drvdata(jrdev);
> > - struct caam_aead_req_ctx *rctx = aead_request_ctx(req);
> > + struct caam_aead_req_ctx *rctx = aead_request_ctx_dma(req);
> > struct aead_edesc *edesc = rctx->edesc;
> > u32 *desc = edesc->hw_desc;
> > int ret;
> > @@ -1541,7 +1541,7 @@ static int aead_do_one_req(struct crypto_engine
> > *engine, void *areq) {
> > struct aead_request *req = aead_request_cast(areq);
> > struct caam_ctx *ctx =
> > crypto_aead_ctx_dma(crypto_aead_reqtfm(req));
> > - struct caam_aead_req_ctx *rctx = aead_request_ctx(req);
> > + struct caam_aead_req_ctx *rctx = aead_request_ctx_dma(req);
> > u32 *desc = rctx->edesc->hw_desc;
> > int ret;
> >
> > @@ -1614,7 +1614,7 @@ static struct skcipher_edesc
> > *skcipher_edesc_alloc(struct skcipher_request *req, {
> > struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req);
> > struct caam_ctx *ctx = crypto_skcipher_ctx_dma(skcipher);
> > - struct caam_skcipher_req_ctx *rctx = skcipher_request_ctx(req);
> > + struct caam_skcipher_req_ctx *rctx = skcipher_request_ctx_dma(req);
> > struct device *jrdev = ctx->jrdev;
> > gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
> > GFP_KERNEL : GFP_ATOMIC;
> > @@ -1778,7 +1778,7 @@ static int skcipher_do_one_req(struct
> > crypto_engine *engine, void *areq) {
> > struct skcipher_request *req = skcipher_request_cast(areq);
> > struct caam_ctx *ctx =
> > crypto_skcipher_ctx_dma(crypto_skcipher_reqtfm(req));
> > - struct caam_skcipher_req_ctx *rctx = skcipher_request_ctx(req);
> > + struct caam_skcipher_req_ctx *rctx = skcipher_request_ctx_dma(req);
> > u32 *desc = rctx->edesc->hw_desc;
> > int ret;
> >
> > @@ -1828,7 +1828,7 @@ static inline int skcipher_crypt(struct
> > skcipher_request *req, bool encrypt)
> >
> > if (ctx->fallback && ((ctrlpriv->era <= 8 && xts_skcipher_ivsize(req)) ||
> > ctx->xts_key_fallback)) {
> > - struct caam_skcipher_req_ctx *rctx =
> > skcipher_request_ctx(req);
> > + struct caam_skcipher_req_ctx *rctx =
> > skcipher_request_ctx_dma(req);
> >
> > skcipher_request_set_tfm(&rctx->fallback_req, ctx->fallback);
> > skcipher_request_set_callback(&rctx->fallback_req,
> > @@ -3639,10 +3639,10 @@ static int caam_cra_init(struct
> > crypto_skcipher
> > *tfm)
> > }
> >
> > ctx->fallback = fallback;
> > - crypto_skcipher_set_reqsize(tfm, sizeof(struct
> > caam_skcipher_req_ctx) +
> > + crypto_skcipher_set_reqsize_dma(tfm, sizeof(struct
> > +caam_skcipher_req_ctx) +
> > crypto_skcipher_reqsize(fallback));
> > } else {
> > - crypto_skcipher_set_reqsize(tfm, sizeof(struct
> > caam_skcipher_req_ctx));
> > + crypto_skcipher_set_reqsize_dma(tfm, sizeof(struct
> > +caam_skcipher_req_ctx));
> > }
> >
> > ret = caam_init_common(ctx, &caam_alg->caam, false); @@ -3659,7
> > +3659,7 @@ static int caam_aead_init(struct crypto_aead *tfm)
> > container_of(alg, struct caam_aead_alg, aead.base);
> > struct caam_ctx *ctx = crypto_aead_ctx_dma(tfm);
> >
> > - crypto_aead_set_reqsize(tfm, sizeof(struct caam_aead_req_ctx));
> > + crypto_aead_set_reqsize_dma(tfm, sizeof(struct
> caam_aead_req_ctx));
> >
> > return caam_init_common(ctx, &caam_alg->caam, !caam_alg-
> > >caam.nodkp); } diff --git a/drivers/crypto/caam/caamalg_qi.c
> > b/drivers/crypto/caam/caamalg_qi.c
> > index 65f6adb6c673..9aa2d6d97f22 100644
> > --- a/drivers/crypto/caam/caamalg_qi.c
> > +++ b/drivers/crypto/caam/caamalg_qi.c
> > @@ -1435,7 +1435,7 @@ static inline int skcipher_crypt(struct
> > skcipher_request *req, bool encrypt)
> >
> > if (ctx->fallback && ((ctrlpriv->era <= 8 && xts_skcipher_ivsize(req)) ||
> > ctx->xts_key_fallback)) {
> > - struct caam_skcipher_req_ctx *rctx =
> > skcipher_request_ctx(req);
> > + struct caam_skcipher_req_ctx *rctx =
> > skcipher_request_ctx_dma(req);
> >
> > skcipher_request_set_tfm(&rctx->fallback_req, ctx->fallback);
> > skcipher_request_set_callback(&rctx->fallback_req,
> > @@ -2524,7 +2524,7 @@ static int caam_cra_init(struct crypto_skcipher
> *tfm)
> > }
> >
> > ctx->fallback = fallback;
> > - crypto_skcipher_set_reqsize(tfm, sizeof(struct
> > caam_skcipher_req_ctx) +
> > + crypto_skcipher_set_reqsize_dma(tfm, sizeof(struct
> > +caam_skcipher_req_ctx) +
> > crypto_skcipher_reqsize(fallback));
> > }
> >
> > --
> > 2.25.1
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