2022-01-04 16:29:16 +08:00
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What: /sys/kernel/debug/hisi_hpre/<bdf>/cluster[0-3]/regs
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Date: Sep 2019
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Contact: linux-crypto@vger.kernel.org
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Description: Dump debug registers from the HPRE cluster.
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2019-09-30 17:20:07 +08:00
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Only available for PF.
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2022-01-04 16:29:16 +08:00
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What: /sys/kernel/debug/hisi_hpre/<bdf>/cluster[0-3]/cluster_ctrl
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Date: Sep 2019
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Contact: linux-crypto@vger.kernel.org
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Description: Write the HPRE core selection in the cluster into this file,
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2019-09-30 17:20:07 +08:00
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and then we can read the debug information of the core.
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Only available for PF.
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2022-01-04 16:29:16 +08:00
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What: /sys/kernel/debug/hisi_hpre/<bdf>/rdclr_en
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Date: Sep 2019
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Contact: linux-crypto@vger.kernel.org
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Description: HPRE cores debug registers read clear control. 1 means enable
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2019-09-30 17:20:07 +08:00
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register read clear, otherwise 0. Writing to this file has no
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functional effect, only enable or disable counters clear after
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reading of these registers.
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Only available for PF.
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2022-01-04 16:29:16 +08:00
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What: /sys/kernel/debug/hisi_hpre/<bdf>/current_qm
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Date: Sep 2019
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Contact: linux-crypto@vger.kernel.org
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Description: One HPRE controller has one PF and multiple VFs, each function
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2019-09-30 17:20:07 +08:00
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has a QM. Select the QM which below qm refers to.
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Only available for PF.
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2022-01-04 16:29:19 +08:00
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What: /sys/kernel/debug/hisi_hpre/<bdf>/alg_qos
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Date: Jun 2021
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Contact: linux-crypto@vger.kernel.org
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Description: The <bdf> is related the function for PF and VF.
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HPRE driver supports to configure each function's QoS, the driver
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supports to write <bdf> value to alg_qos in the host. Such as
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"echo <bdf> value > alg_qos". The qos value is 1~1000, means
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1/1000~1000/1000 of total QoS. The driver reading alg_qos to
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get related QoS in the host and VM, Such as "cat alg_qos".
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2022-01-04 16:29:16 +08:00
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What: /sys/kernel/debug/hisi_hpre/<bdf>/regs
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Date: Sep 2019
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Contact: linux-crypto@vger.kernel.org
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Description: Dump debug registers from the HPRE.
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2019-09-30 17:20:07 +08:00
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Only available for PF.
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2022-01-04 16:29:16 +08:00
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What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/regs
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Date: Sep 2019
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Contact: linux-crypto@vger.kernel.org
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Description: Dump debug registers from the QM.
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2019-09-30 17:20:07 +08:00
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Available for PF and VF in host. VF in guest currently only
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has one debug register.
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2022-01-04 16:29:16 +08:00
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What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/current_q
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Date: Sep 2019
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Contact: linux-crypto@vger.kernel.org
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Description: One QM may contain multiple queues. Select specific queue to
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2020-05-15 17:14:00 +08:00
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show its debug registers in above regs.
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2019-09-30 17:20:07 +08:00
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Only available for PF.
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2022-01-04 16:29:16 +08:00
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What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/clear_enable
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Date: Sep 2019
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Contact: linux-crypto@vger.kernel.org
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Description: QM debug registers(regs) read clear control. 1 means enable
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2019-09-30 17:20:07 +08:00
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register read clear, otherwise 0.
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Writing to this file has no functional effect, only enable or
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disable counters clear after reading of these registers.
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Only available for PF.
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2020-05-15 17:13:54 +08:00
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2022-01-04 16:29:16 +08:00
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What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/err_irq
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Date: Apr 2020
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Contact: linux-crypto@vger.kernel.org
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Description: Dump the number of invalid interrupts for
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2020-05-15 17:13:54 +08:00
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QM task completion.
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Available for both PF and VF, and take no other effect on HPRE.
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2022-01-04 16:29:16 +08:00
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What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/aeq_irq
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Date: Apr 2020
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Contact: linux-crypto@vger.kernel.org
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Description: Dump the number of QM async event queue interrupts.
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2020-05-15 17:13:54 +08:00
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Available for both PF and VF, and take no other effect on HPRE.
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2022-01-04 16:29:16 +08:00
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What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/abnormal_irq
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Date: Apr 2020
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Contact: linux-crypto@vger.kernel.org
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Description: Dump the number of interrupts for QM abnormal event.
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2020-05-15 17:13:54 +08:00
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Available for both PF and VF, and take no other effect on HPRE.
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2022-01-04 16:29:16 +08:00
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What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/create_qp_err
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Date: Apr 2020
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Contact: linux-crypto@vger.kernel.org
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Description: Dump the number of queue allocation errors.
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2020-05-15 17:13:54 +08:00
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Available for both PF and VF, and take no other effect on HPRE.
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2022-01-04 16:29:16 +08:00
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What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/mb_err
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Date: Apr 2020
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Contact: linux-crypto@vger.kernel.org
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Description: Dump the number of failed QM mailbox commands.
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2020-05-15 17:13:54 +08:00
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Available for both PF and VF, and take no other effect on HPRE.
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2020-05-15 17:13:55 +08:00
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2022-01-04 16:29:16 +08:00
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What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/status
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Date: Apr 2020
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Contact: linux-crypto@vger.kernel.org
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Description: Dump the status of the QM.
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2023-11-25 19:50:10 +08:00
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Two states: work, stop.
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2020-05-15 17:13:55 +08:00
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Available for both PF and VF, and take no other effect on HPRE.
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2020-05-15 17:13:57 +08:00
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2022-04-09 16:03:22 +08:00
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What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/diff_regs
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Date: Mar 2022
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Contact: linux-crypto@vger.kernel.org
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Description: QM debug registers(regs) read hardware register value. This
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node is used to show the change of the qm register values. This
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node can be help users to check the change of register values.
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2024-01-12 18:25:45 +08:00
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What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/qm_state
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Date: Jan 2024
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Contact: linux-crypto@vger.kernel.org
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Description: Dump the state of the device.
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0: busy, 1: idle.
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Only available for PF, and take no other effect on HPRE.
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2024-02-07 17:51:00 +08:00
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What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/dev_timeout
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Date: Feb 2024
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Contact: linux-crypto@vger.kernel.org
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Description: Set the wait time when stop queue fails. Available for both PF
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and VF, and take no other effect on HPRE.
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0: not wait(default), others value: wait dev_timeout * 20 microsecond.
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What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/dev_state
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Date: Feb 2024
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Contact: linux-crypto@vger.kernel.org
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Description: Dump the stop queue status of the QM. The default value is 0,
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if dev_timeout is set, when stop queue fails, the dev_state
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will return non-zero value. Available for both PF and VF,
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and take no other effect on HPRE.
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2022-04-09 16:03:22 +08:00
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What: /sys/kernel/debug/hisi_hpre/<bdf>/hpre_dfx/diff_regs
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Date: Mar 2022
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Contact: linux-crypto@vger.kernel.org
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Description: HPRE debug registers(regs) read hardware register value. This
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node is used to show the change of the register values. This
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node can be help users to check the change of register values.
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2022-01-04 16:29:16 +08:00
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What: /sys/kernel/debug/hisi_hpre/<bdf>/hpre_dfx/send_cnt
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Date: Apr 2020
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Contact: linux-crypto@vger.kernel.org
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Description: Dump the total number of sent requests.
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2020-05-15 17:13:57 +08:00
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Available for both PF and VF, and take no other effect on HPRE.
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2022-01-04 16:29:16 +08:00
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What: /sys/kernel/debug/hisi_hpre/<bdf>/hpre_dfx/recv_cnt
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Date: Apr 2020
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Contact: linux-crypto@vger.kernel.org
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Description: Dump the total number of received requests.
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2020-05-15 17:13:57 +08:00
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Available for both PF and VF, and take no other effect on HPRE.
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2022-01-04 16:29:16 +08:00
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What: /sys/kernel/debug/hisi_hpre/<bdf>/hpre_dfx/send_busy_cnt
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Date: Apr 2020
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Contact: linux-crypto@vger.kernel.org
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Description: Dump the total number of requests sent
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2020-05-15 17:13:57 +08:00
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with returning busy.
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Available for both PF and VF, and take no other effect on HPRE.
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2022-01-04 16:29:16 +08:00
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What: /sys/kernel/debug/hisi_hpre/<bdf>/hpre_dfx/send_fail_cnt
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Date: Apr 2020
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Contact: linux-crypto@vger.kernel.org
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Description: Dump the total number of completed but error requests.
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2020-05-15 17:13:57 +08:00
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Available for both PF and VF, and take no other effect on HPRE.
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2022-01-04 16:29:16 +08:00
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What: /sys/kernel/debug/hisi_hpre/<bdf>/hpre_dfx/invalid_req_cnt
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Date: Apr 2020
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Contact: linux-crypto@vger.kernel.org
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Description: Dump the total number of invalid requests being received.
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2020-05-15 17:13:57 +08:00
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Available for both PF and VF, and take no other effect on HPRE.
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2022-01-04 16:29:16 +08:00
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What: /sys/kernel/debug/hisi_hpre/<bdf>/hpre_dfx/overtime_thrhld
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Date: Apr 2020
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Contact: linux-crypto@vger.kernel.org
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Description: Set the threshold time for counting the request which is
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2020-05-15 17:13:57 +08:00
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processed longer than the threshold.
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0: disable(default), 1: 1 microsecond.
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Available for both PF and VF, and take no other effect on HPRE.
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2022-01-04 16:29:16 +08:00
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What: /sys/kernel/debug/hisi_hpre/<bdf>/hpre_dfx/over_thrhld_cnt
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Date: Apr 2020
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Contact: linux-crypto@vger.kernel.org
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Description: Dump the total number of time out requests.
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2020-05-15 17:13:57 +08:00
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Available for both PF and VF, and take no other effect on HPRE.
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2024-10-26 17:46:51 +08:00
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What: /sys/kernel/debug/hisi_hpre/<bdf>/cap_regs
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Date: Oct 2024
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Contact: linux-crypto@vger.kernel.org
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Description: Dump the values of the qm and hpre capability bit registers and
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support the query of device specifications to facilitate fault locating.
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Available for both PF and VF, and take no other effect on HPRE.
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