[PATCH v4 3/7] bbdev: add device info on queue topology

Tom Rix trix at redhat.com
Wed Jul 6 18:06:24 CEST 2022


On 7/5/22 5:23 PM, Nicolas Chautru wrote:
> Adding more options in the API to expose the number
> of queues exposed and related priority.
>
> Signed-off-by: Nicolas Chautru <nicolas.chautru at intel.com>
> ---
>   lib/bbdev/rte_bbdev.h | 4 ++++
>   1 file changed, 4 insertions(+)
>
> diff --git a/lib/bbdev/rte_bbdev.h b/lib/bbdev/rte_bbdev.h
> index 9b1ffa4..ac941d6 100644
> --- a/lib/bbdev/rte_bbdev.h
> +++ b/lib/bbdev/rte_bbdev.h
> @@ -289,6 +289,10 @@ struct rte_bbdev_driver_info {
>   
>   	/** Maximum number of queues supported by the device */
>   	unsigned int max_num_queues;
> +	/** Maximum number of queues supported per operation type */
> +	unsigned int num_queues[RTE_BBDEV_OP_TYPE_PADDED_MAX];
> +	/** Priority level supported per operation type */
> +	unsigned int queue_priority[RTE_BBDEV_OP_TYPE_PADDED_MAX];

It is better to add new elements to the end of a structure for better 
backward compatiblity

Tom

>   	/** Queue size limit (queue size must also be power of 2) */
>   	uint32_t queue_size_lim;
>   	/** Set if device off-loads operation to hardware  */



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