1*b51022b4SHuisong LiWhat: /sys/devices/platform/HISI04Bx:00/chipX/all_linked 2*b51022b4SHuisong LiWhat: /sys/devices/platform/HISI04Bx:00/chipX/linked_full_lane 3*b51022b4SHuisong LiWhat: /sys/devices/platform/HISI04Bx:00/chipX/crc_err_cnt 4*b51022b4SHuisong LiDate: November 2023 5*b51022b4SHuisong LiKernelVersion: 6.6 6*b51022b4SHuisong LiContact: Huisong Li <lihuisong@huawei.org> 7*b51022b4SHuisong LiDescription: 8*b51022b4SHuisong Li The /sys/devices/platform/HISI04Bx:00/chipX/ directory 9*b51022b4SHuisong Li contains read-only attributes exposing some summarization 10*b51022b4SHuisong Li information of all HCCS ports under a specified chip. 11*b51022b4SHuisong Li The X in 'chipX' indicates the Xth chip on platform. 12*b51022b4SHuisong Li 13*b51022b4SHuisong Li There are following attributes in this directory: 14*b51022b4SHuisong Li 15*b51022b4SHuisong Li ================= ==== ========================================= 16*b51022b4SHuisong Li all_linked: (RO) if all enabled ports on this chip are 17*b51022b4SHuisong Li linked (bool). 18*b51022b4SHuisong Li linked_full_lane: (RO) if all linked ports on this chip are full 19*b51022b4SHuisong Li lane (bool). 20*b51022b4SHuisong Li crc_err_cnt: (RO) total CRC err count for all ports on this 21*b51022b4SHuisong Li chip. 22*b51022b4SHuisong Li ================= ==== ========================================= 23*b51022b4SHuisong Li 24*b51022b4SHuisong LiWhat: /sys/devices/platform/HISI04Bx:00/chipX/dieY/all_linked 25*b51022b4SHuisong LiWhat: /sys/devices/platform/HISI04Bx:00/chipX/dieY/linked_full_lane 26*b51022b4SHuisong LiWhat: /sys/devices/platform/HISI04Bx:00/chipX/dieY/crc_err_cnt 27*b51022b4SHuisong LiDate: November 2023 28*b51022b4SHuisong LiKernelVersion: 6.6 29*b51022b4SHuisong LiContact: Huisong Li <lihuisong@huawei.org> 30*b51022b4SHuisong LiDescription: 31*b51022b4SHuisong Li The /sys/devices/platform/HISI04Bx:00/chipX/dieY/ directory 32*b51022b4SHuisong Li contains read-only attributes exposing some summarization 33*b51022b4SHuisong Li information of all HCCS ports under a specified die. 34*b51022b4SHuisong Li The Y in 'dieY' indicates the hardware id of the die on chip who 35*b51022b4SHuisong Li has chip id X. 36*b51022b4SHuisong Li 37*b51022b4SHuisong Li There are following attributes in this directory: 38*b51022b4SHuisong Li 39*b51022b4SHuisong Li ================= ==== ========================================= 40*b51022b4SHuisong Li all_linked: (RO) if all enabled ports on this die are 41*b51022b4SHuisong Li linked (bool). 42*b51022b4SHuisong Li linked_full_lane: (RO) if all linked ports on this die are full 43*b51022b4SHuisong Li lane (bool). 44*b51022b4SHuisong Li crc_err_cnt: (RO) total CRC err count for all ports on this 45*b51022b4SHuisong Li die. 46*b51022b4SHuisong Li ================= ==== ========================================= 47*b51022b4SHuisong Li 48*b51022b4SHuisong LiWhat: /sys/devices/platform/HISI04Bx:00/chipX/dieY/hccsN/type 49*b51022b4SHuisong LiWhat: /sys/devices/platform/HISI04Bx:00/chipX/dieY/hccsN/lane_mode 50*b51022b4SHuisong LiWhat: /sys/devices/platform/HISI04Bx:00/chipX/dieY/hccsN/enable 51*b51022b4SHuisong LiWhat: /sys/devices/platform/HISI04Bx:00/chipX/dieY/hccsN/cur_lane_num 52*b51022b4SHuisong LiWhat: /sys/devices/platform/HISI04Bx:00/chipX/dieY/hccsN/link_fsm 53*b51022b4SHuisong LiWhat: /sys/devices/platform/HISI04Bx:00/chipX/dieY/hccsN/lane_mask 54*b51022b4SHuisong LiWhat: /sys/devices/platform/HISI04Bx:00/chipX/dieY/hccsN/crc_err_cnt 55*b51022b4SHuisong LiDate: November 2023 56*b51022b4SHuisong LiKernelVersion: 6.6 57*b51022b4SHuisong LiContact: Huisong Li <lihuisong@huawei.org> 58*b51022b4SHuisong LiDescription: 59*b51022b4SHuisong Li The /sys/devices/platform/HISI04Bx/chipX/dieX/hccsN/ directory 60*b51022b4SHuisong Li contains read-only attributes exposing information about 61*b51022b4SHuisong Li a HCCS port. The N value in 'hccsN' indicates this port id. 62*b51022b4SHuisong Li The X in 'chipX' indicates the ID of the chip to which the 63*b51022b4SHuisong Li HCCS port belongs. For example, X ranges from to 'n - 1' if the 64*b51022b4SHuisong Li chip number on platform is n. 65*b51022b4SHuisong Li The Y in 'dieY' indicates the hardware id of the die to which 66*b51022b4SHuisong Li the hccs port belongs. 67*b51022b4SHuisong Li Note: type, lane_mode and enable are fixed attributes on running 68*b51022b4SHuisong Li platform. 69*b51022b4SHuisong Li 70*b51022b4SHuisong Li The HCCS port have the following attributes: 71*b51022b4SHuisong Li 72*b51022b4SHuisong Li ============= ==== ============================================= 73*b51022b4SHuisong Li type: (RO) port type (string), e.g. HCCS-v1 -> H32 74*b51022b4SHuisong Li lane_mode: (RO) the lane mode of this port (string), e.g. x8 75*b51022b4SHuisong Li enable: (RO) indicate if this port is enabled (bool). 76*b51022b4SHuisong Li cur_lane_num: (RO) current lane number of this port. 77*b51022b4SHuisong Li link_fsm: (RO) link finite state machine of this port. 78*b51022b4SHuisong Li lane_mask: (RO) current lane mask of this port, every bit 79*b51022b4SHuisong Li indicates a lane. 80*b51022b4SHuisong Li crc_err_cnt: (RO) CRC err count on this port. 81*b51022b4SHuisong Li ============= ==== ============================================= 82