summaryrefslogtreecommitdiff
path: root/Documentation/ABI
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/ABI')
-rw-r--r--Documentation/ABI/testing/debugfs-hisi-hpre57
-rw-r--r--Documentation/ABI/testing/debugfs-hisi-sec43
-rw-r--r--Documentation/ABI/testing/procfs-diskstats5
-rw-r--r--Documentation/ABI/testing/sysfs-block6
-rw-r--r--Documentation/ABI/testing/sysfs-class-net-statistics16
-rw-r--r--Documentation/ABI/testing/sysfs-devices-system-cpu2
6 files changed, 129 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/debugfs-hisi-hpre b/Documentation/ABI/testing/debugfs-hisi-hpre
new file mode 100644
index 000000000000..ec4a79e3a807
--- /dev/null
+++ b/Documentation/ABI/testing/debugfs-hisi-hpre
@@ -0,0 +1,57 @@
+What: /sys/kernel/debug/hisi_hpre/<bdf>/cluster[0-3]/regs
+Date: Sep 2019
+Contact: linux-crypto@vger.kernel.org
+Description: Dump debug registers from the HPRE cluster.
+ Only available for PF.
+
+What: /sys/kernel/debug/hisi_hpre/<bdf>/cluster[0-3]/cluster_ctrl
+Date: Sep 2019
+Contact: linux-crypto@vger.kernel.org
+Description: Write the HPRE core selection in the cluster into this file,
+ and then we can read the debug information of the core.
+ Only available for PF.
+
+What: /sys/kernel/debug/hisi_hpre/<bdf>/rdclr_en
+Date: Sep 2019
+Contact: linux-crypto@vger.kernel.org
+Description: HPRE cores debug registers read clear control. 1 means enable
+ register read clear, otherwise 0. Writing to this file has no
+ functional effect, only enable or disable counters clear after
+ reading of these registers.
+ Only available for PF.
+
+What: /sys/kernel/debug/hisi_hpre/<bdf>/current_qm
+Date: Sep 2019
+Contact: linux-crypto@vger.kernel.org
+Description: One HPRE controller has one PF and multiple VFs, each function
+ has a QM. Select the QM which below qm refers to.
+ Only available for PF.
+
+What: /sys/kernel/debug/hisi_hpre/<bdf>/regs
+Date: Sep 2019
+Contact: linux-crypto@vger.kernel.org
+Description: Dump debug registers from the HPRE.
+ Only available for PF.
+
+What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/qm_regs
+Date: Sep 2019
+Contact: linux-crypto@vger.kernel.org
+Description: Dump debug registers from the QM.
+ Available for PF and VF in host. VF in guest currently only
+ has one debug register.
+
+What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/current_q
+Date: Sep 2019
+Contact: linux-crypto@vger.kernel.org
+Description: One QM may contain multiple queues. Select specific queue to
+ show its debug registers in above qm_regs.
+ Only available for PF.
+
+What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/clear_enable
+Date: Sep 2019
+Contact: linux-crypto@vger.kernel.org
+Description: QM debug registers(qm_regs) read clear control. 1 means enable
+ register read clear, otherwise 0.
+ Writing to this file has no functional effect, only enable or
+ disable counters clear after reading of these registers.
+ Only available for PF.
diff --git a/Documentation/ABI/testing/debugfs-hisi-sec b/Documentation/ABI/testing/debugfs-hisi-sec
new file mode 100644
index 000000000000..06adb899495e
--- /dev/null
+++ b/Documentation/ABI/testing/debugfs-hisi-sec
@@ -0,0 +1,43 @@
+What: /sys/kernel/debug/hisi_sec/<bdf>/sec_dfx
+Date: Oct 2019
+Contact: linux-crypto@vger.kernel.org
+Description: Dump the debug registers of SEC cores.
+ Only available for PF.
+
+What: /sys/kernel/debug/hisi_sec/<bdf>/clear_enable
+Date: Oct 2019
+Contact: linux-crypto@vger.kernel.org
+Description: Enabling/disabling of clear action after reading
+ the SEC debug registers.
+ 0: disable, 1: enable.
+ Only available for PF, and take no other effect on SEC.
+
+What: /sys/kernel/debug/hisi_sec/<bdf>/current_qm
+Date: Oct 2019
+Contact: linux-crypto@vger.kernel.org
+Description: One SEC controller has one PF and multiple VFs, each function
+ has a QM. This file can be used to select the QM which below
+ qm refers to.
+ Only available for PF.
+
+What: /sys/kernel/debug/hisi_sec/<bdf>/qm/qm_regs
+Date: Oct 2019
+Contact: linux-crypto@vger.kernel.org
+Description: Dump of QM related debug registers.
+ Available for PF and VF in host. VF in guest currently only
+ has one debug register.
+
+What: /sys/kernel/debug/hisi_sec/<bdf>/qm/current_q
+Date: Oct 2019
+Contact: linux-crypto@vger.kernel.org
+Description: One QM of SEC may contain multiple queues. Select specific
+ queue to show its debug registers in above 'qm_regs'.
+ Only available for PF.
+
+What: /sys/kernel/debug/hisi_sec/<bdf>/qm/clear_enable
+Date: Oct 2019
+Contact: linux-crypto@vger.kernel.org
+Description: Enabling/disabling of clear action after reading
+ the SEC's QM debug registers.
+ 0: disable, 1: enable.
+ Only available for PF, and take no other effect on SEC.
diff --git a/Documentation/ABI/testing/procfs-diskstats b/Documentation/ABI/testing/procfs-diskstats
index 2c44b4f1b060..70dcaf2481f4 100644
--- a/Documentation/ABI/testing/procfs-diskstats
+++ b/Documentation/ABI/testing/procfs-diskstats
@@ -29,4 +29,9 @@ Description:
17 - sectors discarded
18 - time spent discarding
+ Kernel 5.5+ appends two more fields for flush requests:
+
+ 19 - flush requests completed successfully
+ 20 - time spent flushing
+
For more details refer to Documentation/admin-guide/iostats.rst
diff --git a/Documentation/ABI/testing/sysfs-block b/Documentation/ABI/testing/sysfs-block
index f8c7c7126bb1..ed8c14f161ee 100644
--- a/Documentation/ABI/testing/sysfs-block
+++ b/Documentation/ABI/testing/sysfs-block
@@ -15,6 +15,12 @@ Description:
9 - I/Os currently in progress
10 - time spent doing I/Os (ms)
11 - weighted time spent doing I/Os (ms)
+ 12 - discards completed
+ 13 - discards merged
+ 14 - sectors discarded
+ 15 - time spent discarding (ms)
+ 16 - flush requests completed
+ 17 - time spent flushing (ms)
For more details refer Documentation/admin-guide/iostats.rst
diff --git a/Documentation/ABI/testing/sysfs-class-net-statistics b/Documentation/ABI/testing/sysfs-class-net-statistics
index 397118de7b5e..55db27815361 100644
--- a/Documentation/ABI/testing/sysfs-class-net-statistics
+++ b/Documentation/ABI/testing/sysfs-class-net-statistics
@@ -51,6 +51,14 @@ Description:
packet processing. See the network driver for the exact
meaning of this value.
+What: /sys/class/<iface>/statistics/rx_errors
+Date: April 2005
+KernelVersion: 2.6.12
+Contact: netdev@vger.kernel.org
+Description:
+ Indicates the number of receive errors on this network device.
+ See the network driver for the exact meaning of this value.
+
What: /sys/class/<iface>/statistics/rx_fifo_errors
Date: April 2005
KernelVersion: 2.6.12
@@ -88,6 +96,14 @@ Description:
due to lack of capacity in the receive side. See the network
driver for the exact meaning of this value.
+What: /sys/class/<iface>/statistics/rx_nohandler
+Date: February 2016
+KernelVersion: 4.6
+Contact: netdev@vger.kernel.org
+Description:
+ Indicates the number of received packets that were dropped on
+ an inactive device by the network core.
+
What: /sys/class/<iface>/statistics/rx_over_errors
Date: April 2005
KernelVersion: 2.6.12
diff --git a/Documentation/ABI/testing/sysfs-devices-system-cpu b/Documentation/ABI/testing/sysfs-devices-system-cpu
index 06d0931119cc..fc20cde63d1e 100644
--- a/Documentation/ABI/testing/sysfs-devices-system-cpu
+++ b/Documentation/ABI/testing/sysfs-devices-system-cpu
@@ -486,6 +486,8 @@ What: /sys/devices/system/cpu/vulnerabilities
/sys/devices/system/cpu/vulnerabilities/spec_store_bypass
/sys/devices/system/cpu/vulnerabilities/l1tf
/sys/devices/system/cpu/vulnerabilities/mds
+ /sys/devices/system/cpu/vulnerabilities/tsx_async_abort
+ /sys/devices/system/cpu/vulnerabilities/itlb_multihit
Date: January 2018
Contact: Linux kernel mailing list <linux-kernel@vger.kernel.org>
Description: Information about CPU vulnerabilities