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authorLogan Gunthorpe <logang@deltatee.com>2017-03-02 16:24:33 -0700
committerBjorn Helgaas <bhelgaas@google.com>2017-04-12 12:23:37 -0500
commit5d8e1881f431cf470170813eb048e6a384340904 (patch)
treee60ad3c74003eb0830789a6bf01dc7b2934d8f7f /Documentation/ABI/testing
parent44fc691b4fac3aff3e99b42cad3a994f5a6621ac (diff)
switchtec: Add sysfs attributes to the Switchtec driver
Add a few read-only sysfs attributes which provide some device information that is exposed from the devices, primarily component and device names and versions. These are documented in Documentation/ABI/testing/sysfs-class-switchtec. Tested-by: Krishna Dhulipala <krishnad@fb.com> Signed-off-by: Logan Gunthorpe <logang@deltatee.com> Signed-off-by: Stephen Bates <stephen.bates@microsemi.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Wei Zhang <wzhang@fb.com> Reviewed-by: Jens Axboe <axboe@fb.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/ABI/testing')
-rw-r--r--Documentation/ABI/testing/sysfs-class-switchtec96
1 files changed, 96 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-switchtec b/Documentation/ABI/testing/sysfs-class-switchtec
new file mode 100644
index 000000000000..48cb4c15e430
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-class-switchtec
@@ -0,0 +1,96 @@
+switchtec - Microsemi Switchtec PCI Switch Management Endpoint
+
+For details on this subsystem look at Documentation/switchtec.txt.
+
+What: /sys/class/switchtec
+Date: 05-Jan-2017
+KernelVersion: v4.11
+Contact: Logan Gunthorpe <logang@deltatee.com>
+Description: The switchtec class subsystem folder.
+ Each registered switchtec driver is represented by a switchtecX
+ subfolder (X being an integer >= 0).
+
+
+What: /sys/class/switchtec/switchtec[0-9]+/component_id
+Date: 05-Jan-2017
+KernelVersion: v4.11
+Contact: Logan Gunthorpe <logang@deltatee.com>
+Description: Component identifier as stored in the hardware (eg. PM8543)
+ (read only)
+Values: arbitrary string.
+
+
+What: /sys/class/switchtec/switchtec[0-9]+/component_revision
+Date: 05-Jan-2017
+KernelVersion: v4.11
+Contact: Logan Gunthorpe <logang@deltatee.com>
+Description: Component revision stored in the hardware (read only)
+Values: integer.
+
+
+What: /sys/class/switchtec/switchtec[0-9]+/component_vendor
+Date: 05-Jan-2017
+KernelVersion: v4.11
+Contact: Logan Gunthorpe <logang@deltatee.com>
+Description: Component vendor as stored in the hardware (eg. MICROSEM)
+ (read only)
+Values: arbitrary string.
+
+
+What: /sys/class/switchtec/switchtec[0-9]+/device_version
+Date: 05-Jan-2017
+KernelVersion: v4.11
+Contact: Logan Gunthorpe <logang@deltatee.com>
+Description: Device version as stored in the hardware (read only)
+Values: integer.
+
+
+What: /sys/class/switchtec/switchtec[0-9]+/fw_version
+Date: 05-Jan-2017
+KernelVersion: v4.11
+Contact: Logan Gunthorpe <logang@deltatee.com>
+Description: Currently running firmware version (read only)
+Values: integer (in hexadecimal).
+
+
+What: /sys/class/switchtec/switchtec[0-9]+/partition
+Date: 05-Jan-2017
+KernelVersion: v4.11
+Contact: Logan Gunthorpe <logang@deltatee.com>
+Description: Partition number for this device in the switch (read only)
+Values: integer.
+
+
+What: /sys/class/switchtec/switchtec[0-9]+/partition_count
+Date: 05-Jan-2017
+KernelVersion: v4.11
+Contact: Logan Gunthorpe <logang@deltatee.com>
+Description: Total number of partitions in the switch (read only)
+Values: integer.
+
+
+What: /sys/class/switchtec/switchtec[0-9]+/product_id
+Date: 05-Jan-2017
+KernelVersion: v4.11
+Contact: Logan Gunthorpe <logang@deltatee.com>
+Description: Product identifier as stored in the hardware (eg. PSX 48XG3)
+ (read only)
+Values: arbitrary string.
+
+
+What: /sys/class/switchtec/switchtec[0-9]+/product_revision
+Date: 05-Jan-2017
+KernelVersion: v4.11
+Contact: Logan Gunthorpe <logang@deltatee.com>
+Description: Product revision stored in the hardware (eg. RevB)
+ (read only)
+Values: arbitrary string.
+
+
+What: /sys/class/switchtec/switchtec[0-9]+/product_vendor
+Date: 05-Jan-2017
+KernelVersion: v4.11
+Contact: Logan Gunthorpe <logang@deltatee.com>
+Description: Product vendor as stored in the hardware (eg. MICROSEM)
+ (read only)
+Values: arbitrary string.