linux-kernel - Re: [PATCH] crypto: caam - use mapped_{src,dst}

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Message-ID: <VI1PR0402MB348551336691838632965ADA98860@VI1PR0402MB3485.eurprd04.prod.outlook.com>
Date:   Thu, 26 Sep 2019 07:17:28 +0000
From:   Horia Geanta <horia.geanta@....com>
To:     Iuliana Prodan <iuliana.prodan@....com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Aymen Sghaier <aymen.sghaier@....com>
CC:     "David S. Miller" <davem@...emloft.net>,
        "linux-crypto@...r.kernel.org" <linux-crypto@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        dl-linux-imx <linux-imx@....com>
Subject: Re: [PATCH] crypto: caam - use mapped_{src,dst}_nents for descriptor

On 9/25/2019 4:04 PM, Iuliana Prodan wrote:
> @@ -428,17 +433,18 @@ static int set_rsa_priv_f1_pdb(struct akcipher_request *req,
>  		return -ENOMEM;
>  	}
>  
> -	if (edesc->src_nents > 1) {
> +	if (edesc->mapped_src_nents > 1) {
>  		pdb->sgf |= RSA_PRIV_PDB_SGF_G;
>  		pdb->g_dma = edesc->sec4_sg_dma;
> -		sec4_sg_index += edesc->src_nents;
> +		sec4_sg_index += edesc->mapped_src_nents;
> +
>  	} else {
>  		struct caam_rsa_req_ctx *req_ctx = akcipher_request_ctx(req);
>  
>  		pdb->g_dma = sg_dma_address(req_ctx->fixup_src);
>  	}
>  
> -	if (edesc->dst_nents > 1) {
> +	if (edesc->mapped_dst_nents > 1) {
>  		pdb->sgf |= RSA_PRIV_PDB_SGF_F;
>  		pdb->f_dma = edesc->sec4_sg_dma +
>  			     sec4_sg_index * sizeof(struct sec4_sg_entry);
AFAICS there are a few other places besides set_rsa_priv_f1_pdb
that should be updated:
	set_rsa_pub_pdb
	set_rsa_priv_f2_pdb
	set_rsa_priv_f3_pdb

Horia