diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-08-30 19:09:45 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-08-30 19:09:45 -0700 |
| commit | 44d7d3b0d1cdb2119dba33bbedd602ce30528d6c (patch) | |
| tree | be19d1ddaaac153716709d7a9f05b4398397f7f2 /Documentation | |
| parent | 9a1d6c9e3f53732f2f48f4424e028642db616663 (diff) | |
| parent | 62283c6c9d4c1018badcd0b9c5b6ca66d978fa0d (diff) | |
| download | linux-ft-44d7d3b0d1cdb2119dba33bbedd602ce30528d6c.tar.gz | |
Merge tag 'for-5.15/libata-2021-08-30' of git://git.kernel.dk/linux-block
Pull libata updates from Jens Axboe:
"libata changes for the 5.15 release:
- NCQ priority improvements (Damien, Niklas)
- coccinelle warning fix (Jing)
- dwc_460ex phy fix (Andy)"
* tag 'for-5.15/libata-2021-08-30' of git://git.kernel.dk/linux-block:
include:libata: fix boolreturn.cocci warnings
docs: sysfs-block-device: document ncq_prio_supported
docs: sysfs-block-device: improve ncq_prio_enable documentation
libata: Introduce ncq_prio_supported sysfs sttribute
libata: print feature list on device scan
libata: fix ata_read_log_page() warning
libata: cleanup NCQ priority handling
libata: cleanup ata_dev_configure()
libata: cleanup device sleep capability detection
libata: simplify ata_scsi_rbuf_fill()
libata: fix ata_host_start()
ata: sata_dwc_460ex: No need to call phy_exit() befre phy_init()
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-block-device | 43 |
1 files changed, 40 insertions, 3 deletions
diff --git a/Documentation/ABI/testing/sysfs-block-device b/Documentation/ABI/testing/sysfs-block-device index aa0fb500e3c951..7ac7b19b2f7224 100644 --- a/Documentation/ABI/testing/sysfs-block-device +++ b/Documentation/ABI/testing/sysfs-block-device @@ -55,6 +55,43 @@ Date: Oct, 2016 KernelVersion: v4.10 Contact: linux-ide@vger.kernel.org Description: - (RW) Write to the file to turn on or off the SATA ncq (native - command queueing) support. By default this feature is turned - off. + (RW) Write to the file to turn on or off the SATA NCQ (native + command queueing) priority support. By default this feature is + turned off. If the device does not support the SATA NCQ + priority feature, writing "1" to this file results in an error + (see ncq_prio_supported). + + +What: /sys/block/*/device/sas_ncq_prio_enable +Date: Oct, 2016 +KernelVersion: v4.10 +Contact: linux-ide@vger.kernel.org +Description: + (RW) This is the equivalent of the ncq_prio_enable attribute + file for SATA devices connected to a SAS host-bus-adapter + (HBA) implementing support for the SATA NCQ priority feature. + This file does not exist if the HBA driver does not implement + support for the SATA NCQ priority feature, regardless of the + device support for this feature (see sas_ncq_prio_supported). + + +What: /sys/block/*/device/ncq_prio_supported +Date: Aug, 2021 +KernelVersion: v5.15 +Contact: linux-ide@vger.kernel.org +Description: + (RO) Indicates if the device supports the SATA NCQ (native + command queueing) priority feature. + + +What: /sys/block/*/device/sas_ncq_prio_supported +Date: Aug, 2021 +KernelVersion: v5.15 +Contact: linux-ide@vger.kernel.org +Description: + (RO) This is the equivalent of the ncq_prio_supported attribute + file for SATA devices connected to a SAS host-bus-adapter + (HBA) implementing support for the SATA NCQ priority feature. + This file does not exist if the HBA driver does not implement + support for the SATA NCQ priority feature, regardless of the + device support for this feature. |