59 lines
2.7 KiB
Plaintext
59 lines
2.7 KiB
Plaintext
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What: /sys/devices/platform/HISI04Bx:00/chipX/dieY/all_linked
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What: /sys/devices/platform/HISI04Bx:00/chipX/dieY/linked_full_lane
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What: /sys/devices/platform/HISI04Bx:00/chipX/dieY/crc_err_cnt
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Date: November 2023
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KernelVersion: 6.6
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Contact: Huisong Li <lihuisong@huawei.org>
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Description:
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The /sys/devices/platform/HISI04Bx:00/chipX/dieY/ directory
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contains read-only attributes exposing some summarization
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information of all HCCS ports under a specified die.
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The Y in 'dieY' indicates the hardware id of the die on chip who
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has chip id X.
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There are following attributes in this directory:
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================= ==== =========================================
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all_linked: (RO) if all enabled ports on this die are
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linked (bool).
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linked_full_lane: (RO) if all linked ports on this die are full
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lane (bool).
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crc_err_cnt: (RO) total CRC err count for all ports on this
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chip.
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================= ==== =========================================
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What: /sys/devices/platform/HISI04Bx:00/chipX/dieY/hccsN/type
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What: /sys/devices/platform/HISI04Bx:00/chipX/dieY/hccsN/lane_mode
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What: /sys/devices/platform/HISI04Bx:00/chipX/dieY/hccsN/enable
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What: /sys/devices/platform/HISI04Bx:00/chipX/dieY/hccsN/cur_lane_num
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What: /sys/devices/platform/HISI04Bx:00/chipX/dieY/hccsN/link_fsm
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What: /sys/devices/platform/HISI04Bx:00/chipX/dieY/hccsN/lane_mask
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What: /sys/devices/platform/HISI04Bx:00/chipX/dieY/hccsN/crc_err_cnt
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Date: November 2023
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KernelVersion: 6.6
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Contact: Huisong Li <lihuisong@huawei.org>
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Description:
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The /sys/devices/platform/HISI04Bx/chipX/dieX/hccsN/ directory
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contains read-only attributes exposing information about
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a HCCS port. The N value in 'hccsN' indicates this port id.
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The X in 'chipX' indicates the ID of the chip to which the
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HCCS port belongs. For example, X ranges from to 'n - 1' if the
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chip number on platform is n.
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The Y in 'dieY' indicates the hardware id of the die to which
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the hccs port belongs.
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Note: type, lane_mode and enable are fixed attributes on running
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platform.
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The HCCS port have the following attributes:
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============= ==== =============================================
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type: (RO) port type (string), e.g. HCCS-v1 -> H32
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lane_mode: (RO) the lane mode of this port (string), e.g. x8
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enable: (RO) indicate if this port is enabled (bool).
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cur_lane_num: (RO) current lane number of this port.
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link_fsm: (RO) link finite state machine of this port.
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lane_mask: (RO) current lane mask of this port, every bit
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indicates a lane.
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crc_err_cnt: (RO) CRC err count on this port.
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============= ==== =============================================
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