diff options
Diffstat (limited to 'Documentation/ABI/testing/sysfs-devices-hisi_ptt')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-devices-hisi_ptt | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-devices-hisi_ptt b/Documentation/ABI/testing/sysfs-devices-hisi_ptt index 82de6d710266..d7e206b4901c 100644 --- a/Documentation/ABI/testing/sysfs-devices-hisi_ptt +++ b/Documentation/ABI/testing/sysfs-devices-hisi_ptt @@ -59,3 +59,55 @@ Description: (RW) Control the allocated buffer watermark of outbound packets. 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. |