Re: [PATCH 1/2] scsi: ufs: Add Multi-Circular Queue support

John Garry
2022-07-28T19:10:36Z

On 19/07/2022 08:01, Can Guo wrote:
> +
> + hba->nr_queues[HCTX_TYPE_DEFAULT] = num_possible_cpus();
> + hba->nr_queues[HCTX_TYPE_READ] = 0;
> + hba->nr_queues[HCTX_TYPE_POLL] = 1;
> +
> + for (i = 0; i < HCTX_MAX_TYPES; i++)
> + host->nr_hw_queues += hba->nr_queues[i];
> +
> + host->can_queue = hba->nutrs;
> + host->cmd_per_lun = hba->nutrs;
> +
> + /* One more reserved for dev_cmd_queue */
> + hba->nr_hw_queues = host->nr_hw_queues + 1;
> +

So this would mean that the host can accept .can_queue * .nr_hw_queues
numbers of requests simultaneously - is that true?

thanks,
John