linux-kernel - RE: [REPOST PATCH v4 0/3] scsi: ufs-bsg: Add read descriptor

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Date:   Tue, 26 Feb 2019 10:59:11 +0000
From:   Avri Altman <Avri.Altman@....com>
To:     "Martin K. Petersen" <martin.petersen@...cle.com>
CC:     Avi Shchislowski <Avi.Shchislowski@....com>,
        Alex Lemberg <Alex.Lemberg@....com>,
        "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Evan Green <evgreen@...omium.org>,
        Bean Huo <beanhuo@...ron.com>,
        Pedro Sousa <pedrom.sousa@...opsys.com>,
        Alim Akhtar <alim.akhtar@...sung.com>
Subject: RE: [REPOST PATCH v4 0/3] scsi: ufs-bsg: Add read descriptor

Martin,
Any further comments concerning this series?

Thanks,
Avri

> 
> UFS Protocol Information Units (UPIU) are UFS packets that travel
> between the host and the device on the UniPro bus. Our previous series
> added the capability to send UPIUs to the ufs driver. It does not cover
> all the possible UPIU types - we are mainly focused on device management,
> provisioning, testing and validation, so it covers UPIUs that falls in
> that box.
> 
> Our intension is to publish ufs-utils soon - an open source user space
> utility that relies on that infrastructure to perform those tasks.
> This short series is adding one last functionality needed by ufs-utils
> that was somehow left behind - allowing reading descriptors as well.
> 
> Repost of v4 and adds tags already received.
> While at it, it turns out that quite a few people are waiting for
> ufs-utils, e.g. https://www.spinics.net/lists/linux-scsi/msg127807.html.
> So I expect that the small, but vibrant community of ufs users, will try
> to expand this infrastructure even further.
> 
> V3->v4:
> Improve code readability in ufs-bsg: Allow reading descriptors
> Update Reviewed-by tag.
> 
> V2->v3:
> Add a prep patch with write descriptor calling convention changes.
> Elaborate the commit log of ufs-bsg: Allow reading descriptors
> Add Reviewed-by tag.
> 
> v1->v2:
> Withdraw from the attempt to change the reply buffer, instead place the
> descriptor being read in the actual data buffer in the bio.
> 
> Avri Altman (3):
>   scsi: ufs-bsg: Change the calling convention for write descriptor
>   scsi: ufs: Allow reading descriptor via raw upiu
>   scsi: ufs-bsg: Allow reading descriptors
> 
>  Documentation/scsi/ufs.txt | 11 ++++++++
>  drivers/scsi/ufs/ufs_bsg.c | 63 ++++++++++++++++++++++++++------------------
> --
>  drivers/scsi/ufs/ufshcd.c  | 20 ++++++++++-----
>  3 files changed, 61 insertions(+), 33 deletions(-)
> 
> --
> 1.9.1