Messages in this thread | | | Date | Wed, 26 Jul 2023 17:56:18 +0800 | Subject | Re: [PATCH RESEND v3 2/2] doc: soc: hisilicon: Add Kunpeng HCCS driver documentation | From | "lihuisong (C)" <> |
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在 2023/7/25 16:59, Wei Xu 写道: > Hi Huisong, > > On 2023/7/25 15:57, Huisong Li wrote: >> Document the sysfs attributes description provided by HCCS driver on >> Kunpeng SoC. >> >> Signed-off-by: Huisong Li <lihuisong@huawei.com> >> --- >> .../sysfs-devices-platform-kunpeng_hccs | 76 +++++++++++++++++++ >> MAINTAINERS | 1 + >> 2 files changed, 77 insertions(+) >> create mode 100644 Documentation/ABI/testing/sysfs-devices-platform-kunpeng_hccs >> >> diff --git a/Documentation/ABI/testing/sysfs-devices-platform-kunpeng_hccs b/Documentation/ABI/testing/sysfs-devices-platform-kunpeng_hccs >> new file mode 100644 >> index 000000000000..83ebed801249 >> --- /dev/null >> +++ b/Documentation/ABI/testing/sysfs-devices-platform-kunpeng_hccs >> @@ -0,0 +1,76 @@ >> +What: /sys/devices/platform/HISI04Bx:00/chipX/all_linked >> + /sys/devices/platform/HISI04Bx:00/chipX/linked_full_lane >> + /sys/devices/platform/HISI04Bx:00/chipX/crc_err_cnt >> +Date: May 2023 > Please update the date to "November 2023" to match the 6.6 kernel. Ack. will fix in next version. > >> +KernelVersion: 6.6 >> +Contact: Huisong Li <lihuisong@huawei.org> >> +Description: >> + The /sys/devices/platform/HISI04Bx:00/chipX/ directory >> + contains read-only attributes exposing some summarization >> + information of all HCCS ports under a specified chip. >> + The X in 'chipX' indicates the Xth chip on platform. >> + >> + There are following attributes in this directory: >> + ================= ==== ========================================= >> + all_linked: (RO) if all enabled ports on this chip are >> + linked (bool). >> + linked_full_lane: (RO) if all linked ports on this chip are full >> + lane (bool). >> + crc_err_cnt: (RO) total CRC err count for all ports on this >> + chip. >> + ============= ==== ============================================= >> + >> +What: /sys/devices/platform/HISI04Bx:00/chipX/dieY/all_linked >> + /sys/devices/platform/HISI04Bx:00/chipX/dieY/linked_full_lane >> + /sys/devices/platform/HISI04Bx:00/chipX/dieY/crc_err_cnt >> +Date: May 2023 > Ditto. Ack > >> +KernelVersion: 6.6 >> +Contact: Huisong Li <lihuisong@huawei.org> >> +Description: >> + The /sys/devices/platform/HISI04Bx:00/chipX/dieY/ directory >> + contains read-only attributes exposing some summarization >> + information of all HCCS ports under a specified die. >> + The Y in 'dieY' indicates the hardware id of the die on chip who >> + has chip id X. >> + >> + There are following attributes in this directory: >> + ================= ==== ========================================= >> + all_linked: (RO) if all enabled ports on this die are >> + linked (bool). >> + linked_full_lane: (RO) if all linked ports on this die are full >> + lane (bool). >> + crc_err_cnt: (RO) total CRC err count for all ports on this >> + die. >> + ============= ==== ============================================= >> + >> +What: /sys/devices/platform/HISI04Bx:00/chipX/dieY/hccsN/type >> + /sys/devices/platform/HISI04Bx:00/chipX/dieY/hccsN/lane_mode >> + /sys/devices/platform/HISI04Bx:00/chipX/dieY/hccsN/enable >> + /sys/devices/platform/HISI04Bx:00/chipX/dieY/hccsN/cur_lane_num >> + /sys/devices/platform/HISI04Bx:00/chipX/dieY/hccsN/lane_mask >> + /sys/devices/platform/HISI04Bx:00/chipX/dieY/hccsN/crc_err_cnt >> +Date: May 2023 > Ditto.
Ack
> >> +KernelVersion: 6.6 >> +Contact: Huisong Li <lihuisong@huawei.org> >> +Description: >> + The /sys/devices/platform/HISI04Bx/chipX/dieX/hccsN/ directory >> + contains read-only attributes exposing information about >> + a HCCS port. The N value in 'hccsN' indicates this port id. >> + The X in 'chipX' indicates the ID of the chip to which the >> + HCCS port belongs. For example, X ranges from to 'n - 1' if the >> + chip number on platform is n. >> + The Y in 'dieY' indicates the hardware id of the die to which >> + the hccs port belongs. >> + >> + The HCCS port have the following attributes: >> + ============= ==== ============================================= >> + type: (RO) port type (string), e.g. HCCS-v1 -> H32 >> + lane_mode: (RO) the lane mode of this port (string), e.g. x8 >> + enable: (RO) indicate if this port is enabled (bool). >> + cur_lane_num: (RO) current lane number of this port. >> + lane_mask: (RO) current lane mask of this port, every bit >> + indicates a lane. >> + crc_err_cnt: (RO) CRC err count on this port. >> + ============= ==== ============================================= >> + Note: type, lane_mode and enable are fixed attributes on >> + running platform. >> diff --git a/MAINTAINERS b/MAINTAINERS >> index 4e55ff992171..7a34bab232eb 100644 >> --- a/MAINTAINERS >> +++ b/MAINTAINERS >> @@ -9474,6 +9474,7 @@ F: drivers/crypto/hisilicon/zip/ >> HISILICON KUNPENG SOC HCCS DRIVER >> M: Huisong Li <lihuisong@huawei.com> >> S: Maintained >> +F: Documentation/ABI/testing/sysfs-devices-platform-kunpeng_hccs >> F: drivers/soc/hisilicon/kunpeng_hccs.c >> F: drivers/soc/hisilicon/kunpeng_hccs.h >> >> > .
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