| What: /sys/kernel/debug/hisi_sec2/<bdf>/clear_enable | |
| Date: Oct 2019 | |
| Contact: linux-crypto@vger.kernel.org | |
| Description: Enabling/disabling of clear action after reading | |
| the SEC debug registers. | |
| 0: disable, 1: enable. | |
| Only available for PF, and take no other effect on SEC. | |
| What: /sys/kernel/debug/hisi_sec2/<bdf>/current_qm | |
| Date: Oct 2019 | |
| Contact: linux-crypto@vger.kernel.org | |
| Description: One SEC controller has one PF and multiple VFs, each function | |
| has a QM. This file can be used to select the QM which below | |
| qm refers to. | |
| Only available for PF. | |
| What: /sys/kernel/debug/hisi_sec2/<bdf>/alg_qos | |
| Date: Jun 2021 | |
| Contact: linux-crypto@vger.kernel.org | |
| Description: The <bdf> is related the function for PF and VF. | |
| SEC driver supports to configure each function's QoS, the driver | |
| supports to write <bdf> value to alg_qos in the host. Such as | |
| "echo <bdf> value > alg_qos". The qos value is 1~1000, means | |
| 1/1000~1000/1000 of total QoS. The driver reading alg_qos to | |
| get related QoS in the host and VM, Such as "cat alg_qos". | |
| What: /sys/kernel/debug/hisi_sec2/<bdf>/dev_usage | |
| Date: Mar 2026 | |
| Contact: linux-crypto@vger.kernel.org | |
| Description: Query the real-time bandwidth usage of device. | |
| Returns the bandwidth usage of each channel on the device. | |
| The returned number is in percentage. | |
| What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/qm_regs | |
| Date: Oct 2019 | |
| Contact: linux-crypto@vger.kernel.org | |
| Description: Dump of QM related debug registers. | |
| Available for PF and VF in host. VF in guest currently only | |
| has one debug register. | |
| What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/current_q | |
| Date: Oct 2019 | |
| Contact: linux-crypto@vger.kernel.org | |
| Description: One QM of SEC may contain multiple queues. Select specific | |
| queue to show its debug registers in above 'regs'. | |
| Only available for PF. | |
| What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/clear_enable | |
| Date: Oct 2019 | |
| Contact: linux-crypto@vger.kernel.org | |
| Description: Enabling/disabling of clear action after reading | |
| the SEC's QM debug registers. | |
| 0: disable, 1: enable. | |
| Only available for PF, and take no other effect on SEC. | |
| What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/err_irq | |
| Date: Apr 2020 | |
| Contact: linux-crypto@vger.kernel.org | |
| Description: Dump the number of invalid interrupts for | |
| QM task completion. | |
| Available for both PF and VF, and take no other effect on SEC. | |
| What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/aeq_irq | |
| Date: Apr 2020 | |
| Contact: linux-crypto@vger.kernel.org | |
| Description: Dump the number of QM async event queue interrupts. | |
| Available for both PF and VF, and take no other effect on SEC. | |
| What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/abnormal_irq | |
| Date: Apr 2020 | |
| Contact: linux-crypto@vger.kernel.org | |
| Description: Dump the number of interrupts for QM abnormal event. | |
| Available for both PF and VF, and take no other effect on SEC. | |
| What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/create_qp_err | |
| Date: Apr 2020 | |
| Contact: linux-crypto@vger.kernel.org | |
| Description: Dump the number of queue allocation errors. | |
| Available for both PF and VF, and take no other effect on SEC. | |
| What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/mb_err | |
| Date: Apr 2020 | |
| Contact: linux-crypto@vger.kernel.org | |
| Description: Dump the number of failed QM mailbox commands. | |
| Available for both PF and VF, and take no other effect on SEC. | |
| What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/status | |
| Date: Apr 2020 | |
| Contact: linux-crypto@vger.kernel.org | |
| Description: Dump the status of the QM. | |
| Two states: work, stop. | |
| Available for both PF and VF, and take no other effect on SEC. | |
| What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/diff_regs | |
| Date: Mar 2022 | |
| Contact: linux-crypto@vger.kernel.org | |
| Description: QM debug registers(regs) read hardware register value. This | |
| node is used to show the change of the qm register values. This | |
| node can be help users to check the change of register values. | |
| What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/qm_state | |
| Date: Jan 2024 | |
| Contact: linux-crypto@vger.kernel.org | |
| Description: Dump the state of the device. | |
| 0: busy, 1: idle. | |
| Only available for PF, and take no other effect on SEC. | |
| What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/dev_timeout | |
| Date: Feb 2024 | |
| Contact: linux-crypto@vger.kernel.org | |
| Description: Set the wait time when stop queue fails. Available for both PF | |
| and VF, and take no other effect on SEC. | |
| 0: not wait(default), others value: wait dev_timeout * 20 microsecond. | |
| What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/dev_state | |
| Date: Feb 2024 | |
| Contact: linux-crypto@vger.kernel.org | |
| Description: Dump the stop queue status of the QM. The default value is 0, | |
| if dev_timeout is set, when stop queue fails, the dev_state | |
| will return non-zero value. Available for both PF and VF, | |
| and take no other effect on SEC. | |
| What: /sys/kernel/debug/hisi_sec2/<bdf>/sec_dfx/diff_regs | |
| Date: Mar 2022 | |
| Contact: linux-crypto@vger.kernel.org | |
| Description: SEC debug registers(regs) read hardware register value. This | |
| node is used to show the change of the register values. This | |
| node can be help users to check the change of register values. | |
| What: /sys/kernel/debug/hisi_sec2/<bdf>/sec_dfx/send_cnt | |
| Date: Apr 2020 | |
| Contact: linux-crypto@vger.kernel.org | |
| Description: Dump the total number of sent requests. | |
| Available for both PF and VF, and take no other effect on SEC. | |
| What: /sys/kernel/debug/hisi_sec2/<bdf>/sec_dfx/recv_cnt | |
| Date: Apr 2020 | |
| Contact: linux-crypto@vger.kernel.org | |
| Description: Dump the total number of received requests. | |
| Available for both PF and VF, and take no other effect on SEC. | |
| What: /sys/kernel/debug/hisi_sec2/<bdf>/sec_dfx/send_busy_cnt | |
| Date: Apr 2020 | |
| Contact: linux-crypto@vger.kernel.org | |
| Description: Dump the total number of requests sent with returning busy. | |
| Available for both PF and VF, and take no other effect on SEC. | |
| What: /sys/kernel/debug/hisi_sec2/<bdf>/sec_dfx/err_bd_cnt | |
| Date: Apr 2020 | |
| Contact: linux-crypto@vger.kernel.org | |
| Description: Dump the total number of BD type error requests | |
| to be received. | |
| Available for both PF and VF, and take no other effect on SEC. | |
| What: /sys/kernel/debug/hisi_sec2/<bdf>/sec_dfx/invalid_req_cnt | |
| Date: Apr 2020 | |
| Contact: linux-crypto@vger.kernel.org | |
| Description: Dump the total number of invalid requests being received. | |
| Available for both PF and VF, and take no other effect on SEC. | |
| What: /sys/kernel/debug/hisi_sec2/<bdf>/sec_dfx/done_flag_cnt | |
| Date: Apr 2020 | |
| Contact: linux-crypto@vger.kernel.org | |
| Description: Dump the total number of completed but marked error requests | |
| to be received. | |
| Available for both PF and VF, and take no other effect on SEC. | |
| What: /sys/kernel/debug/hisi_sec2/<bdf>/cap_regs | |
| Date: Oct 2024 | |
| Contact: linux-crypto@vger.kernel.org | |
| Description: Dump the values of the qm and sec capability bit registers and | |
| support the query of device specifications to facilitate fault locating. | |
| Available for both PF and VF, and take no other effect on SEC. |