1 What: /sys/kernel/debug/hisi_sec2/<bdf>/clear_enable 2 Date: Oct 2019 3 Contact: linux-crypto@vger.kernel.org 4 Description: Enabling/disabling of clear action after reading 5 the SEC debug registers. 6 0: disable, 1: enable. 7 Only available for PF, and take no other effect on SEC. 8 9 What: /sys/kernel/debug/hisi_sec2/<bdf>/current_qm 10 Date: Oct 2019 11 Contact: linux-crypto@vger.kernel.org 12 Description: One SEC controller has one PF and multiple VFs, each function 13 has a QM. This file can be used to select the QM which below 14 qm refers to. 15 Only available for PF. 16 17 What: /sys/kernel/debug/hisi_sec2/<bdf>/alg_qos 18 Date: Jun 2021 19 Contact: linux-crypto@vger.kernel.org 20 Description: The <bdf> is related the function for PF and VF. 21 SEC driver supports to configure each function's QoS, the driver 22 supports to write <bdf> value to alg_qos in the host. Such as 23 "echo <bdf> value > alg_qos". The qos value is 1~1000, means 24 1/1000~1000/1000 of total QoS. The driver reading alg_qos to 25 get related QoS in the host and VM, Such as "cat alg_qos". 26 27 What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/qm_regs 28 Date: Oct 2019 29 Contact: linux-crypto@vger.kernel.org 30 Description: Dump of QM related debug registers. 31 Available for PF and VF in host. VF in guest currently only 32 has one debug register. 33 34 What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/current_q 35 Date: Oct 2019 36 Contact: linux-crypto@vger.kernel.org 37 Description: One QM of SEC may contain multiple queues. Select specific 38 queue to show its debug registers in above 'regs'. 39 Only available for PF. 40 41 What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/clear_enable 42 Date: Oct 2019 43 Contact: linux-crypto@vger.kernel.org 44 Description: Enabling/disabling of clear action after reading 45 the SEC's QM debug registers. 46 0: disable, 1: enable. 47 Only available for PF, and take no other effect on SEC. 48 49 What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/err_irq 50 Date: Apr 2020 51 Contact: linux-crypto@vger.kernel.org 52 Description: Dump the number of invalid interrupts for 53 QM task completion. 54 Available for both PF and VF, and take no other effect on SEC. 55 56 What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/aeq_irq 57 Date: Apr 2020 58 Contact: linux-crypto@vger.kernel.org 59 Description: Dump the number of QM async event queue interrupts. 60 Available for both PF and VF, and take no other effect on SEC. 61 62 What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/abnormal_irq 63 Date: Apr 2020 64 Contact: linux-crypto@vger.kernel.org 65 Description: Dump the number of interrupts for QM abnormal event. 66 Available for both PF and VF, and take no other effect on SEC. 67 68 What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/create_qp_err 69 Date: Apr 2020 70 Contact: linux-crypto@vger.kernel.org 71 Description: Dump the number of queue allocation errors. 72 Available for both PF and VF, and take no other effect on SEC. 73 74 What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/mb_err 75 Date: Apr 2020 76 Contact: linux-crypto@vger.kernel.org 77 Description: Dump the number of failed QM mailbox commands. 78 Available for both PF and VF, and take no other effect on SEC. 79 80 What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/status 81 Date: Apr 2020 82 Contact: linux-crypto@vger.kernel.org 83 Description: Dump the status of the QM. 84 Two states: work, stop. 85 Available for both PF and VF, and take no other effect on SEC. 86 87 What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/diff_regs 88 Date: Mar 2022 89 Contact: linux-crypto@vger.kernel.org 90 Description: QM debug registers(regs) read hardware register value. This 91 node is used to show the change of the qm register values. This 92 node can be help users to check the change of register values. 93 94 What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/qm_state 95 Date: Jan 2024 96 Contact: linux-crypto@vger.kernel.org 97 Description: Dump the state of the device. 98 0: busy, 1: idle. 99 Only available for PF, and take no other effect on SEC. 100 101 What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/dev_timeout 102 Date: Feb 2024 103 Contact: linux-crypto@vger.kernel.org 104 Description: Set the wait time when stop queue fails. Available for both PF 105 and VF, and take no other effect on SEC. 106 0: not wait(default), others value: wait dev_timeout * 20 microsecond. 107 108 What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/dev_state 109 Date: Feb 2024 110 Contact: linux-crypto@vger.kernel.org 111 Description: Dump the stop queue status of the QM. The default value is 0, 112 if dev_timeout is set, when stop queue fails, the dev_state 113 will return non-zero value. Available for both PF and VF, 114 and take no other effect on SEC. 115 116 What: /sys/kernel/debug/hisi_sec2/<bdf>/sec_dfx/diff_regs 117 Date: Mar 2022 118 Contact: linux-crypto@vger.kernel.org 119 Description: SEC debug registers(regs) read hardware register value. This 120 node is used to show the change of the register values. This 121 node can be help users to check the change of register values. 122 123 What: /sys/kernel/debug/hisi_sec2/<bdf>/sec_dfx/send_cnt 124 Date: Apr 2020 125 Contact: linux-crypto@vger.kernel.org 126 Description: Dump the total number of sent requests. 127 Available for both PF and VF, and take no other effect on SEC. 128 129 What: /sys/kernel/debug/hisi_sec2/<bdf>/sec_dfx/recv_cnt 130 Date: Apr 2020 131 Contact: linux-crypto@vger.kernel.org 132 Description: Dump the total number of received requests. 133 Available for both PF and VF, and take no other effect on SEC. 134 135 What: /sys/kernel/debug/hisi_sec2/<bdf>/sec_dfx/send_busy_cnt 136 Date: Apr 2020 137 Contact: linux-crypto@vger.kernel.org 138 Description: Dump the total number of requests sent with returning busy. 139 Available for both PF and VF, and take no other effect on SEC. 140 141 What: /sys/kernel/debug/hisi_sec2/<bdf>/sec_dfx/err_bd_cnt 142 Date: Apr 2020 143 Contact: linux-crypto@vger.kernel.org 144 Description: Dump the total number of BD type error requests 145 to be received. 146 Available for both PF and VF, and take no other effect on SEC. 147 148 What: /sys/kernel/debug/hisi_sec2/<bdf>/sec_dfx/invalid_req_cnt 149 Date: Apr 2020 150 Contact: linux-crypto@vger.kernel.org 151 Description: Dump the total number of invalid requests being received. 152 Available for both PF and VF, and take no other effect on SEC. 153 154 What: /sys/kernel/debug/hisi_sec2/<bdf>/sec_dfx/done_flag_cnt 155 Date: Apr 2020 156 Contact: linux-crypto@vger.kernel.org 157 Description: Dump the total number of completed but marked error requests 158 to be received. 159 Available for both PF and VF, and take no other effect on SEC.
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