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NCQ Priority sysfs sttributes for libsas

From:  Igor Pylypiv <ipylypiv-AT-google.com>
To:  Damien Le Moal <dlemoal-AT-kernel.org>, Niklas Cassel <cassel-AT-kernel.org>, John Garry <john.g.garry-AT-oracle.com>, Jason Yan <yanaijie-AT-huawei.com>, "James E.J. Bottomley" <jejb-AT-linux.ibm.com>, "Martin K. Petersen" <martin.petersen-AT-oracle.com>, Jack Wang <jinpu.wang-AT-cloud.ionos.com>, Hannes Reinecke <hare-AT-suse.de>, Xiang Chen <chenxiang66-AT-hisilicon.com>, Artur Paszkiewicz <artur.paszkiewicz-AT-intel.com>, Bart Van Assche <bvanassche-AT-acm.org>
Subject:  [PATCH v3 0/7] NCQ Priority sysfs sttributes for libsas
Date:  Sat, 02 Mar 2024 12:16:29 -0800
Message-ID:  <20240302201636.1228331-1-ipylypiv@google.com>
Cc:  TJ Adams <tadamsjr-AT-google.com>, linux-ide-AT-vger.kernel.org, linux-scsi-AT-vger.kernel.org, linux-kernel-AT-vger.kernel.org, Igor Pylypiv <ipylypiv-AT-google.com>
Archive-link:  Article

This patch series adds sas_ncq_prio_supported and sas_ncq_prio_enable
sysfs sttributes for libsas managed SATA devices. Existing libata sysfs
attributes cannot be used directly because the ata_port location is
different for libsas.

Changes since v2:
- Added libsas SATA sysfs attributes to aic94xx and isci.

Changes since v1:
- Dropped the "sas_" prefix to align sysfs sttributes naming with AHCI.
- Dropped ternary operators to make the code more readable.
- Corrected the formatting %u -> %d in sysfs_emit().
- Changed kstrtol() to kstrtobool() in [ata|sas]_ncq_prio_enable_store().
- Changed comments to use the "/* */" style instead of "//".
- Added libsas SATA sysfs attributes to mvsas and hisi_sas.
- Dropped the 'Reviewed-by' tags because they were not sent in-reply
  to the patch emails.

Igor Pylypiv (7):
  ata: libata-sata: Factor out NCQ Priority configuration helpers
  scsi: libsas: Define NCQ Priority sysfs attributes for SATA devices
  scsi: pm80xx: Add libsas SATA sysfs attributes group
  scsi: mvsas: Add libsas SATA sysfs attributes group
  scsi: hisi_sas: Add libsas SATA sysfs attributes group
  scsi: aic94xx: Add libsas SATA sysfs attributes group
  scsi: isci: Add libsas SATA sysfs attributes group

 drivers/ata/libata-sata.c              | 139 ++++++++++++++++++-------
 drivers/scsi/aic94xx/aic94xx_init.c    |   8 ++
 drivers/scsi/hisi_sas/hisi_sas_v1_hw.c |   6 ++
 drivers/scsi/hisi_sas/hisi_sas_v2_hw.c |   6 ++
 drivers/scsi/hisi_sas/hisi_sas_v3_hw.c |   6 ++
 drivers/scsi/isci/init.c               |   6 ++
 drivers/scsi/libsas/sas_ata.c          |  92 ++++++++++++++++
 drivers/scsi/mvsas/mv_init.c           |   7 ++
 drivers/scsi/pm8001/pm8001_ctl.c       |   5 +
 drivers/scsi/pm8001/pm8001_init.c      |   1 +
 drivers/scsi/pm8001/pm8001_sas.h       |   1 +
 include/linux/libata.h                 |   4 +
 include/scsi/sas_ata.h                 |   6 ++
 13 files changed, 247 insertions(+), 40 deletions(-)

-- 
2.44.0.278.ge034bb2e1d-goog




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