diff options
Diffstat (limited to 'Documentation/ABI/testing/sysfs-devices-hisi_ptt')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-devices-hisi_ptt | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/Documentation/ABI/testing/sysfs-devices-hisi_ptt b/Documentation/ABI/testing/sysfs-devices-hisi_ptt deleted file mode 100644 index d7e206b4901c..000000000000 --- a/Documentation/ABI/testing/sysfs-devices-hisi_ptt +++ /dev/null @@ -1,113 +0,0 @@ -What: /sys/devices/hisi_ptt<sicl_id>_<core_id>/tune -Date: October 2022 -KernelVersion: 6.1 -Contact: Yicong Yang <yangyicong@hisilicon.com> -Description: This directory contains files for tuning the PCIe link - parameters(events). Each file is named after the event - of the PCIe link. - - See Documentation/trace/hisi-ptt.rst for more information. - -What: /sys/devices/hisi_ptt<sicl_id>_<core_id>/tune/qos_tx_cpl -Date: October 2022 -KernelVersion: 6.1 -Contact: Yicong Yang <yangyicong@hisilicon.com> -Description: (RW) Controls the weight of Tx completion TLPs, which influence - the proportion of outbound completion TLPs on the PCIe link. - The available tune data is [0, 1, 2]. Writing a negative value - will return an error, and out of range values will be converted - to 2. The value indicates a probable level of the event. - -What: /sys/devices/hisi_ptt<sicl_id>_<core_id>/tune/qos_tx_np -Date: October 2022 -KernelVersion: 6.1 -Contact: Yicong Yang <yangyicong@hisilicon.com> -Description: (RW) Controls the weight of Tx non-posted TLPs, which influence - the proportion of outbound non-posted TLPs on the PCIe link. - The available tune data is [0, 1, 2]. Writing a negative value - will return an error, and out of range values will be converted - to 2. The value indicates a probable level of the event. - -What: /sys/devices/hisi_ptt<sicl_id>_<core_id>/tune/qos_tx_p -Date: October 2022 -KernelVersion: 6.1 -Contact: Yicong Yang <yangyicong@hisilicon.com> -Description: (RW) Controls the weight of Tx posted TLPs, which influence the - proportion of outbound posted TLPs on the PCIe link. - The available tune data is [0, 1, 2]. Writing a negative value - will return an error, and out of range values will be converted - to 2. The value indicates a probable level of the event. - -What: /sys/devices/hisi_ptt<sicl_id>_<core_id>/tune/rx_alloc_buf_level -Date: October 2022 -KernelVersion: 6.1 -Contact: Yicong Yang <yangyicong@hisilicon.com> -Description: (RW) Control the allocated buffer watermark for inbound packets. - The packets will be stored in the buffer first and then transmitted - either when the watermark reached or when timed out. - The available tune data is [0, 1, 2]. Writing a negative value - will return an error, and out of range values will be converted - to 2. The value indicates a probable level of the event. - -What: /sys/devices/hisi_ptt<sicl_id>_<core_id>/tune/tx_alloc_buf_level -Date: October 2022 -KernelVersion: 6.1 -Contact: Yicong Yang <yangyicong@hisilicon.com> -Description: (RW) Control the allocated buffer watermark of outbound packets. - The packets will be stored in the buffer first and then transmitted - either when the watermark reached or when timed out. - The available tune data is [0, 1, 2]. Writing a negative value - will return an error, and out of range values will be converted - to 2. The value indicates a probable level of the event. - -What: /sys/devices/hisi_ptt<sicl_id>_<core_id>/root_port_filters -Date: May 2023 -KernelVersion: 6.5 -Contact: Yicong Yang <yangyicong@hisilicon.com> -Description: This directory contains the files providing the PCIe Root Port filters - information used for PTT trace. Each file is named after the supported - Root Port device name <domain>:<bus>:<device>.<function>. - - See the description of the "filter" in Documentation/trace/hisi-ptt.rst - for more information. - -What: /sys/devices/hisi_ptt<sicl_id>_<core_id>/root_port_filters/multiselect -Date: May 2023 -KernelVersion: 6.5 -Contact: Yicong Yang <yangyicong@hisilicon.com> -Description: (Read) Indicates if this kind of filter can be selected at the same - time as others filters, or must be used on it's own. 1 indicates - the former case and 0 indicates the latter. - -What: /sys/devices/hisi_ptt<sicl_id>_<core_id>/root_port_filters/<bdf> -Date: May 2023 -KernelVersion: 6.5 -Contact: Yicong Yang <yangyicong@hisilicon.com> -Description: (Read) Indicates the filter value of this Root Port filter, which - can be used to control the TLP headers to trace by the PTT trace. - -What: /sys/devices/hisi_ptt<sicl_id>_<core_id>/requester_filters -Date: May 2023 -KernelVersion: 6.5 -Contact: Yicong Yang <yangyicong@hisilicon.com> -Description: This directory contains the files providing the PCIe Requester filters - information used for PTT trace. Each file is named after the supported - Endpoint device name <domain>:<bus>:<device>.<function>. - - See the description of the "filter" in Documentation/trace/hisi-ptt.rst - for more information. - -What: /sys/devices/hisi_ptt<sicl_id>_<core_id>/requester_filters/multiselect -Date: May 2023 -KernelVersion: 6.5 -Contact: Yicong Yang <yangyicong@hisilicon.com> -Description: (Read) Indicates if this kind of filter can be selected at the same - time as others filters, or must be used on it's own. 1 indicates - the former case and 0 indicates the latter. - -What: /sys/devices/hisi_ptt<sicl_id>_<core_id>/requester_filters/<bdf> -Date: May 2023 -KernelVersion: 6.5 -Contact: Yicong Yang <yangyicong@hisilicon.com> -Description: (Read) Indicates the filter value of this Requester filter, which - can be used to control the TLP headers to trace by the PTT trace. |