1 What: /sys/kernel/debug/hisi_zip/<bdf>/comp_core[01]/regs 2 Date: Nov 2018 3 Contact: linux-crypto@vger.kernel.org 4 Description: Dump of compression cores related debug registers. 5 Only available for PF. 6 7 What: /sys/kernel/debug/hisi_zip/<bdf>/decomp_core[0-5]/regs 8 Date: Nov 2018 9 Contact: linux-crypto@vger.kernel.org 10 Description: Dump of decompression cores related debug registers. 11 Only available for PF. 12 13 What: /sys/kernel/debug/hisi_zip/<bdf>/clear_enable 14 Date: Nov 2018 15 Contact: linux-crypto@vger.kernel.org 16 Description: Compression/decompression core debug registers read clear 17 control. 1 means enable register read clear, otherwise 0. 18 Writing to this file has no functional effect, only enable or 19 disable counters clear after reading of these registers. 20 Only available for PF. 21 22 What: /sys/kernel/debug/hisi_zip/<bdf>/current_qm 23 Date: Nov 2018 24 Contact: linux-crypto@vger.kernel.org 25 Description: One ZIP controller has one PF and multiple VFs, each function 26 has a QM. Select the QM which below qm refers to. 27 Only available for PF. 28 29 What: /sys/kernel/debug/hisi_zip/<bdf>/alg_qos 30 Date: Jun 2021 31 Contact: linux-crypto@vger.kernel.org 32 Description: The <bdf> is related the function for PF and VF. 33 ZIP driver supports to configure each function's QoS, the driver 34 supports to write <bdf> value to alg_qos in the host. Such as 35 "echo <bdf> value > alg_qos". The qos value is 1~1000, means 36 1/1000~1000/1000 of total QoS. The driver reading alg_qos to 37 get related QoS in the host and VM, Such as "cat alg_qos". 38 39 What: /sys/kernel/debug/hisi_zip/<bdf>/qm/regs 40 Date: Nov 2018 41 Contact: linux-crypto@vger.kernel.org 42 Description: Dump of QM related debug registers. 43 Available for PF and VF in host. VF in guest currently only 44 has one debug register. 45 46 What: /sys/kernel/debug/hisi_zip/<bdf>/qm/current_q 47 Date: Nov 2018 48 Contact: linux-crypto@vger.kernel.org 49 Description: One QM may contain multiple queues. Select specific queue to 50 show its debug registers in above regs. 51 Only available for PF. 52 53 What: /sys/kernel/debug/hisi_zip/<bdf>/qm/clear_enable 54 Date: Nov 2018 55 Contact: linux-crypto@vger.kernel.org 56 Description: QM debug registers(regs) read clear control. 1 means enable 57 register read clear, otherwise 0. 58 Writing to this file has no functional effect, only enable or 59 disable counters clear after reading of these registers. 60 Only available for PF. 61 62 What: /sys/kernel/debug/hisi_zip/<bdf>/qm/err_irq 63 Date: Apr 2020 64 Contact: linux-crypto@vger.kernel.org 65 Description: Dump the number of invalid interrupts for 66 QM task completion. 67 Available for both PF and VF, and take no other effect on ZIP. 68 69 What: /sys/kernel/debug/hisi_zip/<bdf>/qm/aeq_irq 70 Date: Apr 2020 71 Contact: linux-crypto@vger.kernel.org 72 Description: Dump the number of QM async event queue interrupts. 73 Available for both PF and VF, and take no other effect on ZIP. 74 75 What: /sys/kernel/debug/hisi_zip/<bdf>/qm/abnormal_irq 76 Date: Apr 2020 77 Contact: linux-crypto@vger.kernel.org 78 Description: Dump the number of interrupts for QM abnormal event. 79 Available for both PF and VF, and take no other effect on ZIP. 80 81 What: /sys/kernel/debug/hisi_zip/<bdf>/qm/create_qp_err 82 Date: Apr 2020 83 Contact: linux-crypto@vger.kernel.org 84 Description: Dump the number of queue allocation errors. 85 Available for both PF and VF, and take no other effect on ZIP. 86 87 What: /sys/kernel/debug/hisi_zip/<bdf>/qm/mb_err 88 Date: Apr 2020 89 Contact: linux-crypto@vger.kernel.org 90 Description: Dump the number of failed QM mailbox commands. 91 Available for both PF and VF, and take no other effect on ZIP. 92 93 What: /sys/kernel/debug/hisi_zip/<bdf>/qm/status 94 Date: Apr 2020 95 Contact: linux-crypto@vger.kernel.org 96 Description: Dump the status of the QM. 97 Two states: work, stop. 98 Available for both PF and VF, and take no other effect on ZIP. 99 100 What: /sys/kernel/debug/hisi_zip/<bdf>/qm/diff_regs 101 Date: Mar 2022 102 Contact: linux-crypto@vger.kernel.org 103 Description: QM debug registers(regs) read hardware register value. This 104 node is used to show the change of the qm registers value. This 105 node can be help users to check the change of register values. 106 107 What: /sys/kernel/debug/hisi_zip/<bdf>/qm/qm_state 108 Date: Jan 2024 109 Contact: linux-crypto@vger.kernel.org 110 Description: Dump the state of the device. 111 0: busy, 1: idle. 112 Only available for PF, and take no other effect on ZIP. 113 114 What: /sys/kernel/debug/hisi_zip/<bdf>/qm/dev_timeout 115 Date: Feb 2024 116 Contact: linux-crypto@vger.kernel.org 117 Description: Set the wait time when stop queue fails. Available for both PF 118 and VF, and take no other effect on ZIP. 119 0: not wait(default), others value: wait dev_timeout * 20 microsecond. 120 121 What: /sys/kernel/debug/hisi_zip/<bdf>/qm/dev_state 122 Date: Feb 2024 123 Contact: linux-crypto@vger.kernel.org 124 Description: Dump the stop queue status of the QM. The default value is 0, 125 if dev_timeout is set, when stop queue fails, the dev_state 126 will return non-zero value. Available for both PF and VF, 127 and take no other effect on ZIP. 128 129 What: /sys/kernel/debug/hisi_zip/<bdf>/zip_dfx/diff_regs 130 Date: Mar 2022 131 Contact: linux-crypto@vger.kernel.org 132 Description: ZIP debug registers(regs) read hardware register value. This 133 node is used to show the change of the registers value. this 134 node can be help users to check the change of register values. 135 136 What: /sys/kernel/debug/hisi_zip/<bdf>/zip_dfx/send_cnt 137 Date: Apr 2020 138 Contact: linux-crypto@vger.kernel.org 139 Description: Dump the total number of sent requests. 140 Available for both PF and VF, and take no other effect on ZIP. 141 142 What: /sys/kernel/debug/hisi_zip/<bdf>/zip_dfx/recv_cnt 143 Date: Apr 2020 144 Contact: linux-crypto@vger.kernel.org 145 Description: Dump the total number of received requests. 146 Available for both PF and VF, and take no other effect on ZIP. 147 148 What: /sys/kernel/debug/hisi_zip/<bdf>/zip_dfx/send_busy_cnt 149 Date: Apr 2020 150 Contact: linux-crypto@vger.kernel.org 151 Description: Dump the total number of requests received 152 with returning busy. 153 Available for both PF and VF, and take no other effect on ZIP. 154 155 What: /sys/kernel/debug/hisi_zip/<bdf>/zip_dfx/err_bd_cnt 156 Date: Apr 2020 157 Contact: linux-crypto@vger.kernel.org 158 Description: Dump the total number of BD type error requests 159 to be received. 160 Available for both PF and VF, and take no other effect on ZIP.
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