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Date: Sun, 27 Jan 2019 09:07:45 +0200 From: Avri Altman <avri.altman@....com> To: "James E.J. Bottomley" <jejb@...ux.vnet.ibm.com>, "Martin K. Petersen" <martin.petersen@...cle.com>, linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org, Evan Green <evgreen@...omium.org> Cc: Avi Shchislowski <avi.shchislowski@....com>, Alex Lemberg <alex.lemberg@....com>, Avri Altman <avri.altman@....com> Subject: [PATCH v4 0/3] scsi: ufs-bsg: Add read descriptor 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. 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
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