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Update documentation describing DebugFS that could help to check the change of register values. Signed-off-by: Kai Ye <yekai13@huawei.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
138 lines
5.3 KiB
Plaintext
138 lines
5.3 KiB
Plaintext
What: /sys/kernel/debug/hisi_sec2/<bdf>/clear_enable
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Date: Oct 2019
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Contact: linux-crypto@vger.kernel.org
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Description: Enabling/disabling of clear action after reading
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the SEC debug registers.
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0: disable, 1: enable.
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Only available for PF, and take no other effect on SEC.
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What: /sys/kernel/debug/hisi_sec2/<bdf>/current_qm
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Date: Oct 2019
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Contact: linux-crypto@vger.kernel.org
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Description: One SEC controller has one PF and multiple VFs, each function
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has a QM. This file can be used to select the QM which below
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qm refers to.
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Only available for PF.
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What: /sys/kernel/debug/hisi_sec2/<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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SEC 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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What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/qm_regs
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Date: Oct 2019
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Contact: linux-crypto@vger.kernel.org
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Description: Dump of QM related debug registers.
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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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What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/current_q
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Date: Oct 2019
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Contact: linux-crypto@vger.kernel.org
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Description: One QM of SEC may contain multiple queues. Select specific
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queue to show its debug registers in above 'regs'.
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Only available for PF.
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What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/clear_enable
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Date: Oct 2019
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Contact: linux-crypto@vger.kernel.org
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Description: Enabling/disabling of clear action after reading
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the SEC's QM debug registers.
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0: disable, 1: enable.
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Only available for PF, and take no other effect on SEC.
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What: /sys/kernel/debug/hisi_sec2/<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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QM task completion.
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Available for both PF and VF, and take no other effect on SEC.
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What: /sys/kernel/debug/hisi_sec2/<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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Available for both PF and VF, and take no other effect on SEC.
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What: /sys/kernel/debug/hisi_sec2/<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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Available for both PF and VF, and take no other effect on SEC.
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What: /sys/kernel/debug/hisi_sec2/<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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Available for both PF and VF, and take no other effect on SEC.
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What: /sys/kernel/debug/hisi_sec2/<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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Available for both PF and VF, and take no other effect on SEC.
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What: /sys/kernel/debug/hisi_sec2/<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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Four states: initiated, started, stopped and closed.
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Available for both PF and VF, and take no other effect on SEC.
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What: /sys/kernel/debug/hisi_sec2/<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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What: /sys/kernel/debug/hisi_sec2/<bdf>/sec_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: SEC 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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What: /sys/kernel/debug/hisi_sec2/<bdf>/sec_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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Available for both PF and VF, and take no other effect on SEC.
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What: /sys/kernel/debug/hisi_sec2/<bdf>/sec_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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Available for both PF and VF, and take no other effect on SEC.
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What: /sys/kernel/debug/hisi_sec2/<bdf>/sec_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 with returning busy.
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Available for both PF and VF, and take no other effect on SEC.
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What: /sys/kernel/debug/hisi_sec2/<bdf>/sec_dfx/err_bd_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 BD type error requests
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to be received.
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Available for both PF and VF, and take no other effect on SEC.
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What: /sys/kernel/debug/hisi_sec2/<bdf>/sec_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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Available for both PF and VF, and take no other effect on SEC.
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What: /sys/kernel/debug/hisi_sec2/<bdf>/sec_dfx/done_flag_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 marked error requests
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to be received.
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Available for both PF and VF, and take no other effect on SEC.
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