2023-10-19 04:53:06

by Lu Hongfei

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Subject: Re: [PATCH v3 0/3] scsi: ufs: core: support WB buffer resize function


On 2023/9/11 13:57, Lu Hongfei wrote:
> Hello,
>
> In August 2023, the ballot for resizing the WriteBooster buffer has been
> approved.
>
> This v3 series implements the function of controlling the WriteBooster
> buffer resize via sysfs that will be supported in UFS.
>
> version 2 changes
> -Using sysfs to control WB buffer resize instead of exception event handler
> -Removed content related to exception event
> -Solved several issues that caused compilation errors
>
> version 3 changes
> -Removed UFS version number check
> -Optimized several function names to make their definitions clear and easy
> to understand
> -Fixed several formatting issues to avoid reporting warning information
> during compilation
> -Removed the ufshcd_scsi_block_requests(), ufshcd_wait_for_doorbell_clr()
> and ufshcd_scsi_unblock_requests() calls in ufshcd_configure_wb_buf_resize.
>
> ------------------------------------------------------------------------
> Lu Hongfei (3):
> scsi: ufs: core: add wb buffer resize related attr_idn
> scsi: ufs: core: Add sysfs attribute to control WB buffer resize
> function
> scsi: ufs: core: Add sysfs attributes to get the hint information and
> status of WB buffer resize
>
> Documentation/ABI/testing/sysfs-driver-ufs | 52 ++++++++++++++++
> drivers/ufs/core/ufs-sysfs.c | 70 ++++++++++++++++++++++
> drivers/ufs/core/ufshcd.c | 15 +++++
> include/ufs/ufs.h | 5 +-
> include/ufs/ufshcd.h | 1 +
> 5 files changed, 142 insertions(+), 1 deletion(-)

Hi Bart,

Are there any new developments in this group of patches?

Thanks,

Hongfei.


2023-10-19 18:20:51

by Bart Van Assche

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Subject: Re: [PATCH v3 0/3] scsi: ufs: core: support WB buffer resize function

On 10/18/23 21:50, Lu Hongfei wrote:
> Are there any new developments in this group of patches?

The JEDEC ballot about resizing the WriteBooster buffer has not yet been
approved. Please wait with posting patches that implement support for a
JEDEC feature until agreement has been reached in JEDEC.

Thanks,

Bart.

2023-10-20 07:12:17

by Lu Hongfei

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Subject: Re: [PATCH v3 0/3] scsi: ufs: core: support WB buffer resize function


On 2023/10/20 2:20, Bart Van Assche wrote:
> On 10/18/23 21:50, Lu Hongfei wrote:
>> Are there any new developments in this group of patches?
>
> The JEDEC ballot about resizing the WriteBooster buffer has not yet been
> approved. Please wait with posting patches that implement support for a
> JEDEC feature until agreement has been reached in JEDEC.
>
> Thanks,
>
> Bart.
>
I got it.

Thanks,

Hongfei.