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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>
97 lines
2.8 KiB
Plaintext
97 lines
2.8 KiB
Plaintext
switchtec - Microsemi Switchtec PCI Switch Management Endpoint
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For details on this subsystem look at Documentation/switchtec.txt.
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What: /sys/class/switchtec
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Date: 05-Jan-2017
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KernelVersion: v4.11
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Contact: Logan Gunthorpe <logang@deltatee.com>
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Description: The switchtec class subsystem folder.
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Each registered switchtec driver is represented by a switchtecX
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subfolder (X being an integer >= 0).
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What: /sys/class/switchtec/switchtec[0-9]+/component_id
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Date: 05-Jan-2017
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KernelVersion: v4.11
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Contact: Logan Gunthorpe <logang@deltatee.com>
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Description: Component identifier as stored in the hardware (eg. PM8543)
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(read only)
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Values: arbitrary string.
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What: /sys/class/switchtec/switchtec[0-9]+/component_revision
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Date: 05-Jan-2017
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KernelVersion: v4.11
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Contact: Logan Gunthorpe <logang@deltatee.com>
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Description: Component revision stored in the hardware (read only)
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Values: integer.
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What: /sys/class/switchtec/switchtec[0-9]+/component_vendor
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Date: 05-Jan-2017
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KernelVersion: v4.11
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Contact: Logan Gunthorpe <logang@deltatee.com>
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Description: Component vendor as stored in the hardware (eg. MICROSEM)
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(read only)
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Values: arbitrary string.
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What: /sys/class/switchtec/switchtec[0-9]+/device_version
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Date: 05-Jan-2017
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KernelVersion: v4.11
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Contact: Logan Gunthorpe <logang@deltatee.com>
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Description: Device version as stored in the hardware (read only)
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Values: integer.
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What: /sys/class/switchtec/switchtec[0-9]+/fw_version
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Date: 05-Jan-2017
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KernelVersion: v4.11
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Contact: Logan Gunthorpe <logang@deltatee.com>
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Description: Currently running firmware version (read only)
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Values: integer (in hexadecimal).
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What: /sys/class/switchtec/switchtec[0-9]+/partition
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Date: 05-Jan-2017
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KernelVersion: v4.11
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Contact: Logan Gunthorpe <logang@deltatee.com>
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Description: Partition number for this device in the switch (read only)
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Values: integer.
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What: /sys/class/switchtec/switchtec[0-9]+/partition_count
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Date: 05-Jan-2017
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KernelVersion: v4.11
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Contact: Logan Gunthorpe <logang@deltatee.com>
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Description: Total number of partitions in the switch (read only)
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Values: integer.
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What: /sys/class/switchtec/switchtec[0-9]+/product_id
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Date: 05-Jan-2017
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KernelVersion: v4.11
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Contact: Logan Gunthorpe <logang@deltatee.com>
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Description: Product identifier as stored in the hardware (eg. PSX 48XG3)
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(read only)
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Values: arbitrary string.
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What: /sys/class/switchtec/switchtec[0-9]+/product_revision
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Date: 05-Jan-2017
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KernelVersion: v4.11
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Contact: Logan Gunthorpe <logang@deltatee.com>
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Description: Product revision stored in the hardware (eg. RevB)
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(read only)
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Values: arbitrary string.
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What: /sys/class/switchtec/switchtec[0-9]+/product_vendor
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Date: 05-Jan-2017
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KernelVersion: v4.11
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Contact: Logan Gunthorpe <logang@deltatee.com>
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Description: Product vendor as stored in the hardware (eg. MICROSEM)
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(read only)
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Values: arbitrary string.
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