Re: [PATCH v7 0/7] NCQ Priority sysfs sttributes for libsas

Niklas Cassel
2024-03-06T10:54:27Z

Hello Igor,

On Tue, Mar 05, 2024 at 05:22:19PM -0800, Igor Pylypiv wrote:
> 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.

As far as I can tell, you don't add sas_ncq_prio_supported and
sas_ncq_prio_enable, but instead add ncq_prio_supported and
ncq_prio_enable, so perhaps update this sentence.

Kind regards,
Niklas

>
> Changes since v6:
> - Replaced sas_ata_sdev_attr_group definition with a macro for
> the "CONFIG_SCSI_SAS_ATA is not set" case. The macro defines
> an empty rvalue struct eliminating the variable definition.
>
> Changes since v5:
> - Added __maybe_unused attribute to sas_ata_sdev_attr_group to prevent
> an unused-const-variable warning when CONFIG_SCSI_SAS_ATA is not set.
>
> Changes since v4:
> - Updated sas_ncq_prio_* sysfs functions to use WARN_ON_ONCE() instead
> of WARN_ON().
>
> Changes since v3:
> - Changed ata_ncq_prio_supported() and ata_ncq_prio_enabled() to store
> the result into a boolean variable passed by address.
> - Removed the "usable with both libsas and libata" wording from
> ata_ncq_prio_* helper's function comments.
> - Removed the unlikely() in ata_ncq_prio_enable() because the function
> is not in a fastpath.
> - Dropped hisi_sas v1 HW driver changes because it doesn't support SATA.
>
> 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 | 140 ++++++++++++++++++-------
> drivers/scsi/aic94xx/aic94xx_init.c | 8 ++
> 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 | 94 +++++++++++++++++
> 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 | 6 ++
> include/scsi/sas_ata.h | 6 ++
> 12 files changed, 247 insertions(+), 39 deletions(-)
>
> --
> 2.44.0.278.ge034bb2e1d-goog
>