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Message-ID: <c6becc30-ce5d-8290-54c7-f2a6497f4200@intel.com>
Date:   Tue, 16 May 2023 14:57:52 -0700
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Subject: Re: [PATCH v5 06/15] dmaengine: idxd: Add wq private data accessors
Content-Language: en-US
To:     Tom Zanussi <tom.zanussi@linux.intel.com>,
        herbert@gondor.apana.org.au, davem@davemloft.net,
        fenghua.yu@intel.com, vkoul@kernel.org
Cc:     tony.luck@intel.com, wajdi.k.feghali@intel.com,
        james.guilford@intel.com, kanchana.p.sridhar@intel.com,
        giovanni.cabiddu@intel.com, linux-kernel@vger.kernel.org,
        linux-crypto@vger.kernel.org, dmaengine@vger.kernel.org
References: <20230516215009.51794-1-tom.zanussi@linux.intel.com>
 <20230516215009.51794-7-tom.zanussi@linux.intel.com>
From:   Dave Jiang <dave.jiang@intel.com>
In-Reply-To: <20230516215009.51794-7-tom.zanussi@linux.intel.com>
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On 5/16/23 2:50 PM, Tom Zanussi wrote:
> Add the accessors idxd_wq_set_private() and idxd_wq_get_private()
> allowing users to set and retrieve a private void * associated with an
> idxd_wq.
> 
> The private data is stored in the idxd_dev.conf_dev associated with
> each idxd_wq.
> 
> Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>

> ---
>   drivers/dma/idxd/idxd.h | 10 ++++++++++
>   1 file changed, 10 insertions(+)
> 
> diff --git a/drivers/dma/idxd/idxd.h b/drivers/dma/idxd/idxd.h
> index 276b5f9cf967..971daf323655 100644
> --- a/drivers/dma/idxd/idxd.h
> +++ b/drivers/dma/idxd/idxd.h
> @@ -609,6 +609,16 @@ static inline int idxd_wq_refcount(struct idxd_wq *wq)
>   	return wq->client_count;
>   };
>   
> +static inline void idxd_wq_set_private(struct idxd_wq *wq, void *private)
> +{
> +	dev_set_drvdata(wq_confdev(wq), private);
> +}
> +
> +static inline void *idxd_wq_get_private(struct idxd_wq *wq)
> +{
> +	return dev_get_drvdata(wq_confdev(wq));
> +}
> +
>   /*
>    * Intel IAA does not support batch processing.
>    * The max batch size of device, max batch size of wq and