linux-kernel - Re: [PATCH v3 1/4] crypto: talitos - move struct talitos

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Date:   Thu, 13 Jun 2019 14:50:39 +0200
From:   Christophe Leroy <christophe.leroy@....fr>
To:     Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>, horia.geanta@....com
Cc:     linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH v3 1/4] crypto: talitos - move struct talitos_edesc into
 talitos.h



Le 13/06/2019 à 14:48, Christophe Leroy a écrit :
> Moves it into talitos.h so that it can be used
> from any place in talitos.c
> 
> This will be required for next
> patch ("crypto: talitos - fix hash on SEC1")
> 
> Signed-off-by: Christophe Leroy <christophe.leroy@....fr>

Cc: stable@...r.kernel.org

> ---
>   drivers/crypto/talitos.c | 30 ------------------------------
>   drivers/crypto/talitos.h | 30 ++++++++++++++++++++++++++++++
>   2 files changed, 30 insertions(+), 30 deletions(-)
> 
> diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c
> index 3b3e99f1cddb..5b401aec6c84 100644
> --- a/drivers/crypto/talitos.c
> +++ b/drivers/crypto/talitos.c
> @@ -951,36 +951,6 @@ static int aead_des3_setkey(struct crypto_aead *authenc,
>   	goto out;
>   }
>   
> -/*
> - * talitos_edesc - s/w-extended descriptor
> - * @src_nents: number of segments in input scatterlist
> - * @dst_nents: number of segments in output scatterlist
> - * @icv_ool: whether ICV is out-of-line
> - * @iv_dma: dma address of iv for checking continuity and link table
> - * @dma_len: length of dma mapped link_tbl space
> - * @dma_link_tbl: bus physical address of link_tbl/buf
> - * @desc: h/w descriptor
> - * @link_tbl: input and output h/w link tables (if {src,dst}_nents > 1) (SEC2)
> - * @buf: input and output buffeur (if {src,dst}_nents > 1) (SEC1)
> - *
> - * if decrypting (with authcheck), or either one of src_nents or dst_nents
> - * is greater than 1, an integrity check value is concatenated to the end
> - * of link_tbl data
> - */
> -struct talitos_edesc {
> -	int src_nents;
> -	int dst_nents;
> -	bool icv_ool;
> -	dma_addr_t iv_dma;
> -	int dma_len;
> -	dma_addr_t dma_link_tbl;
> -	struct talitos_desc desc;
> -	union {
> -		struct talitos_ptr link_tbl[0];
> -		u8 buf[0];
> -	};
> -};
> -
>   static void talitos_sg_unmap(struct device *dev,
>   			     struct talitos_edesc *edesc,
>   			     struct scatterlist *src,
> diff --git a/drivers/crypto/talitos.h b/drivers/crypto/talitos.h
> index 32ad4fc679ed..95f78c6d9206 100644
> --- a/drivers/crypto/talitos.h
> +++ b/drivers/crypto/talitos.h
> @@ -42,6 +42,36 @@ struct talitos_desc {
>   
>   #define TALITOS_DESC_SIZE	(sizeof(struct talitos_desc) - sizeof(__be32))
>   
> +/*
> + * talitos_edesc - s/w-extended descriptor
> + * @src_nents: number of segments in input scatterlist
> + * @dst_nents: number of segments in output scatterlist
> + * @icv_ool: whether ICV is out-of-line
> + * @iv_dma: dma address of iv for checking continuity and link table
> + * @dma_len: length of dma mapped link_tbl space
> + * @dma_link_tbl: bus physical address of link_tbl/buf
> + * @desc: h/w descriptor
> + * @link_tbl: input and output h/w link tables (if {src,dst}_nents > 1) (SEC2)
> + * @buf: input and output buffeur (if {src,dst}_nents > 1) (SEC1)
> + *
> + * if decrypting (with authcheck), or either one of src_nents or dst_nents
> + * is greater than 1, an integrity check value is concatenated to the end
> + * of link_tbl data
> + */
> +struct talitos_edesc {
> +	int src_nents;
> +	int dst_nents;
> +	bool icv_ool;
> +	dma_addr_t iv_dma;
> +	int dma_len;
> +	dma_addr_t dma_link_tbl;
> +	struct talitos_desc desc;
> +	union {
> +		struct talitos_ptr link_tbl[0];
> +		u8 buf[0];
> +	};
> +};
> +
>   /**
>    * talitos_request - descriptor submission request
>    * @desc: descriptor pointer (kernel virtual)
>