From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- Documentation/ABI/testing/debugfs-hisi-hpre | 164 ++++++++++++++++++++++++++++ 1 file changed, 164 insertions(+) create mode 100644 Documentation/ABI/testing/debugfs-hisi-hpre (limited to 'Documentation/ABI/testing/debugfs-hisi-hpre') diff --git a/Documentation/ABI/testing/debugfs-hisi-hpre b/Documentation/ABI/testing/debugfs-hisi-hpre new file mode 100644 index 0000000000..82abf92df4 --- /dev/null +++ b/Documentation/ABI/testing/debugfs-hisi-hpre @@ -0,0 +1,164 @@ +What: /sys/kernel/debug/hisi_hpre//cluster[0-3]/regs +Date: Sep 2019 +Contact: linux-crypto@vger.kernel.org +Description: Dump debug registers from the HPRE cluster. + Only available for PF. + +What: /sys/kernel/debug/hisi_hpre//cluster[0-3]/cluster_ctrl +Date: Sep 2019 +Contact: linux-crypto@vger.kernel.org +Description: Write the HPRE core selection in the cluster into this file, + and then we can read the debug information of the core. + Only available for PF. + +What: /sys/kernel/debug/hisi_hpre//rdclr_en +Date: Sep 2019 +Contact: linux-crypto@vger.kernel.org +Description: HPRE cores debug registers read clear control. 1 means enable + register read clear, otherwise 0. Writing to this file has no + functional effect, only enable or disable counters clear after + reading of these registers. + Only available for PF. + +What: /sys/kernel/debug/hisi_hpre//current_qm +Date: Sep 2019 +Contact: linux-crypto@vger.kernel.org +Description: One HPRE controller has one PF and multiple VFs, each function + has a QM. Select the QM which below qm refers to. + Only available for PF. + +What: /sys/kernel/debug/hisi_hpre//alg_qos +Date: Jun 2021 +Contact: linux-crypto@vger.kernel.org +Description: The is related the function for PF and VF. + HPRE driver supports to configure each function's QoS, the driver + supports to write value to alg_qos in the host. Such as + "echo 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_hpre//regs +Date: Sep 2019 +Contact: linux-crypto@vger.kernel.org +Description: Dump debug registers from the HPRE. + Only available for PF. + +What: /sys/kernel/debug/hisi_hpre//qm/regs +Date: Sep 2019 +Contact: linux-crypto@vger.kernel.org +Description: Dump debug registers from the QM. + Available for PF and VF in host. VF in guest currently only + has one debug register. + +What: /sys/kernel/debug/hisi_hpre//qm/current_q +Date: Sep 2019 +Contact: linux-crypto@vger.kernel.org +Description: One QM may contain multiple queues. Select specific queue to + show its debug registers in above regs. + Only available for PF. + +What: /sys/kernel/debug/hisi_hpre//qm/clear_enable +Date: Sep 2019 +Contact: linux-crypto@vger.kernel.org +Description: QM debug registers(regs) read clear control. 1 means enable + register read clear, otherwise 0. + Writing to this file has no functional effect, only enable or + disable counters clear after reading of these registers. + Only available for PF. + +What: /sys/kernel/debug/hisi_hpre//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 HPRE. + +What: /sys/kernel/debug/hisi_hpre//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 HPRE. + +What: /sys/kernel/debug/hisi_hpre//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 HPRE. + +What: /sys/kernel/debug/hisi_hpre//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 HPRE. + +What: /sys/kernel/debug/hisi_hpre//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 HPRE. + +What: /sys/kernel/debug/hisi_hpre//qm/status +Date: Apr 2020 +Contact: linux-crypto@vger.kernel.org +Description: Dump the status of the QM. + Four states: initiated, started, stopped and closed. + Available for both PF and VF, and take no other effect on HPRE. + +What: /sys/kernel/debug/hisi_hpre//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_hpre//hpre_dfx/diff_regs +Date: Mar 2022 +Contact: linux-crypto@vger.kernel.org +Description: HPRE 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_hpre//hpre_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 HPRE. + +What: /sys/kernel/debug/hisi_hpre//hpre_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 HPRE. + +What: /sys/kernel/debug/hisi_hpre//hpre_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 HPRE. + +What: /sys/kernel/debug/hisi_hpre//hpre_dfx/send_fail_cnt +Date: Apr 2020 +Contact: linux-crypto@vger.kernel.org +Description: Dump the total number of completed but error requests. + Available for both PF and VF, and take no other effect on HPRE. + +What: /sys/kernel/debug/hisi_hpre//hpre_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 HPRE. + +What: /sys/kernel/debug/hisi_hpre//hpre_dfx/overtime_thrhld +Date: Apr 2020 +Contact: linux-crypto@vger.kernel.org +Description: Set the threshold time for counting the request which is + processed longer than the threshold. + 0: disable(default), 1: 1 microsecond. + Available for both PF and VF, and take no other effect on HPRE. + +What: /sys/kernel/debug/hisi_hpre//hpre_dfx/over_thrhld_cnt +Date: Apr 2020 +Contact: linux-crypto@vger.kernel.org +Description: Dump the total number of time out requests. + Available for both PF and VF, and take no other effect on HPRE. -- cgit v1.2.3