Re: [PATCH v32 4/4] scsi: ufs: Add HPB 2.0 support

[Can Guo]

On 2021-03-31 09:18, Daejun Park wrote:
> This patch supports the HPB 2.0.
>
> The HPB 2.0 supports read of varying sizes from 4KB to 512KB.
> In the case of Read (<= 32KB) is supported as single HPB read.
> In the case of Read (36KB ~ 512KB) is supported by as a combination of
> write buffer command and HPB read command to deliver more PPN.
> The write buffer commands may not be issued immediately due to busy 
> tags.
> To use HPB read more aggressively, the driver can requeue the write 
> buffer
> command. The requeue threshold is implemented as timeout and can be
> modified with requeue_timeout_ms entry in sysfs.
>
> Reviewed-by: Can Guo <cang@xxxxxxxxxxxxxx>
> Reviewed-by: Bean Huo <beanhuo@xxxxxxxxxx>
> Signed-off-by: Daejun Park <daejun7.park@xxxxxxxxxxx>
> ---

Please allow me a few more days in April to have this whole series
tested one more time.

Thanks,
Can Guo.