1 What: /sys/kernel/debug/hisi_hpre/<b 1 What: /sys/kernel/debug/hisi_hpre/<bdf>/cluster[0-3]/regs
2 Date: Sep 2019 2 Date: Sep 2019
3 Contact: linux-crypto@vger.kernel.org 3 Contact: linux-crypto@vger.kernel.org
4 Description: Dump debug registers from the 4 Description: Dump debug registers from the HPRE cluster.
5 Only available for PF. 5 Only available for PF.
6 6
7 What: /sys/kernel/debug/hisi_hpre/<b 7 What: /sys/kernel/debug/hisi_hpre/<bdf>/cluster[0-3]/cluster_ctrl
8 Date: Sep 2019 8 Date: Sep 2019
9 Contact: linux-crypto@vger.kernel.org 9 Contact: linux-crypto@vger.kernel.org
10 Description: Write the HPRE core selection 10 Description: Write the HPRE core selection in the cluster into this file,
11 and then we can read the debug 11 and then we can read the debug information of the core.
12 Only available for PF. 12 Only available for PF.
13 13
14 What: /sys/kernel/debug/hisi_hpre/<b 14 What: /sys/kernel/debug/hisi_hpre/<bdf>/rdclr_en
15 Date: Sep 2019 15 Date: Sep 2019
16 Contact: linux-crypto@vger.kernel.org 16 Contact: linux-crypto@vger.kernel.org
17 Description: HPRE cores debug registers rea 17 Description: HPRE cores debug registers read clear control. 1 means enable
18 register read clear, otherwise 18 register read clear, otherwise 0. Writing to this file has no
19 functional effect, only enable 19 functional effect, only enable or disable counters clear after
20 reading of these registers. 20 reading of these registers.
21 Only available for PF. 21 Only available for PF.
22 22
23 What: /sys/kernel/debug/hisi_hpre/<b 23 What: /sys/kernel/debug/hisi_hpre/<bdf>/current_qm
24 Date: Sep 2019 24 Date: Sep 2019
25 Contact: linux-crypto@vger.kernel.org 25 Contact: linux-crypto@vger.kernel.org
26 Description: One HPRE controller has one PF 26 Description: One HPRE controller has one PF and multiple VFs, each function
27 has a QM. Select the QM which 27 has a QM. Select the QM which below qm refers to.
28 Only available for PF. 28 Only available for PF.
29 29
30 What: /sys/kernel/debug/hisi_hpre/<b 30 What: /sys/kernel/debug/hisi_hpre/<bdf>/alg_qos
31 Date: Jun 2021 31 Date: Jun 2021
32 Contact: linux-crypto@vger.kernel.org 32 Contact: linux-crypto@vger.kernel.org
33 Description: The <bdf> is related the funct 33 Description: The <bdf> is related the function for PF and VF.
34 HPRE driver supports to config 34 HPRE driver supports to configure each function's QoS, the driver
35 supports to write <bdf> value 35 supports to write <bdf> value to alg_qos in the host. Such as
36 "echo <bdf> value > alg_qos". 36 "echo <bdf> value > alg_qos". The qos value is 1~1000, means
37 1/1000~1000/1000 of total QoS. 37 1/1000~1000/1000 of total QoS. The driver reading alg_qos to
38 get related QoS in the host an 38 get related QoS in the host and VM, Such as "cat alg_qos".
39 39
40 What: /sys/kernel/debug/hisi_hpre/<b 40 What: /sys/kernel/debug/hisi_hpre/<bdf>/regs
41 Date: Sep 2019 41 Date: Sep 2019
42 Contact: linux-crypto@vger.kernel.org 42 Contact: linux-crypto@vger.kernel.org
43 Description: Dump debug registers from the 43 Description: Dump debug registers from the HPRE.
44 Only available for PF. 44 Only available for PF.
45 45
46 What: /sys/kernel/debug/hisi_hpre/<b 46 What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/regs
47 Date: Sep 2019 47 Date: Sep 2019
48 Contact: linux-crypto@vger.kernel.org 48 Contact: linux-crypto@vger.kernel.org
49 Description: Dump debug registers from the 49 Description: Dump debug registers from the QM.
50 Available for PF and VF in hos 50 Available for PF and VF in host. VF in guest currently only
51 has one debug register. 51 has one debug register.
52 52
53 What: /sys/kernel/debug/hisi_hpre/<b 53 What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/current_q
54 Date: Sep 2019 54 Date: Sep 2019
55 Contact: linux-crypto@vger.kernel.org 55 Contact: linux-crypto@vger.kernel.org
56 Description: One QM may contain multiple qu 56 Description: One QM may contain multiple queues. Select specific queue to
57 show its debug registers in ab 57 show its debug registers in above regs.
58 Only available for PF. 58 Only available for PF.
59 59
60 What: /sys/kernel/debug/hisi_hpre/<b 60 What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/clear_enable
61 Date: Sep 2019 61 Date: Sep 2019
62 Contact: linux-crypto@vger.kernel.org 62 Contact: linux-crypto@vger.kernel.org
63 Description: QM debug registers(regs) read 63 Description: QM debug registers(regs) read clear control. 1 means enable
64 register read clear, otherwise 64 register read clear, otherwise 0.
65 Writing to this file has no fu 65 Writing to this file has no functional effect, only enable or
66 disable counters clear after r 66 disable counters clear after reading of these registers.
67 Only available for PF. 67 Only available for PF.
68 68
69 What: /sys/kernel/debug/hisi_hpre/<b 69 What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/err_irq
70 Date: Apr 2020 70 Date: Apr 2020
71 Contact: linux-crypto@vger.kernel.org 71 Contact: linux-crypto@vger.kernel.org
72 Description: Dump the number of invalid int 72 Description: Dump the number of invalid interrupts for
73 QM task completion. 73 QM task completion.
74 Available for both PF and VF, 74 Available for both PF and VF, and take no other effect on HPRE.
75 75
76 What: /sys/kernel/debug/hisi_hpre/<b 76 What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/aeq_irq
77 Date: Apr 2020 77 Date: Apr 2020
78 Contact: linux-crypto@vger.kernel.org 78 Contact: linux-crypto@vger.kernel.org
79 Description: Dump the number of QM async ev 79 Description: Dump the number of QM async event queue interrupts.
80 Available for both PF and VF, 80 Available for both PF and VF, and take no other effect on HPRE.
81 81
82 What: /sys/kernel/debug/hisi_hpre/<b 82 What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/abnormal_irq
83 Date: Apr 2020 83 Date: Apr 2020
84 Contact: linux-crypto@vger.kernel.org 84 Contact: linux-crypto@vger.kernel.org
85 Description: Dump the number of interrupts 85 Description: Dump the number of interrupts for QM abnormal event.
86 Available for both PF and VF, 86 Available for both PF and VF, and take no other effect on HPRE.
87 87
88 What: /sys/kernel/debug/hisi_hpre/<b 88 What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/create_qp_err
89 Date: Apr 2020 89 Date: Apr 2020
90 Contact: linux-crypto@vger.kernel.org 90 Contact: linux-crypto@vger.kernel.org
91 Description: Dump the number of queue alloc 91 Description: Dump the number of queue allocation errors.
92 Available for both PF and VF, 92 Available for both PF and VF, and take no other effect on HPRE.
93 93
94 What: /sys/kernel/debug/hisi_hpre/<b 94 What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/mb_err
95 Date: Apr 2020 95 Date: Apr 2020
96 Contact: linux-crypto@vger.kernel.org 96 Contact: linux-crypto@vger.kernel.org
97 Description: Dump the number of failed QM m 97 Description: Dump the number of failed QM mailbox commands.
98 Available for both PF and VF, 98 Available for both PF and VF, and take no other effect on HPRE.
99 99
100 What: /sys/kernel/debug/hisi_hpre/<b 100 What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/status
101 Date: Apr 2020 101 Date: Apr 2020
102 Contact: linux-crypto@vger.kernel.org 102 Contact: linux-crypto@vger.kernel.org
103 Description: Dump the status of the QM. 103 Description: Dump the status of the QM.
104 Two states: work, stop. !! 104 Four states: initiated, started, stopped and closed.
105 Available for both PF and VF, 105 Available for both PF and VF, and take no other effect on HPRE.
106 106
107 What: /sys/kernel/debug/hisi_hpre/<b 107 What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/diff_regs
108 Date: Mar 2022 108 Date: Mar 2022
109 Contact: linux-crypto@vger.kernel.org 109 Contact: linux-crypto@vger.kernel.org
110 Description: QM debug registers(regs) read 110 Description: QM debug registers(regs) read hardware register value. This
111 node is used to show the chang 111 node is used to show the change of the qm register values. This
112 node can be help users to chec 112 node can be help users to check the change of register values.
113 <<
114 What: /sys/kernel/debug/hisi_hpre/<b <<
115 Date: Jan 2024 <<
116 Contact: linux-crypto@vger.kernel.org <<
117 Description: Dump the state of the device. <<
118 0: busy, 1: idle. <<
119 Only available for PF, and tak <<
120 <<
121 What: /sys/kernel/debug/hisi_hpre/<b <<
122 Date: Feb 2024 <<
123 Contact: linux-crypto@vger.kernel.org <<
124 Description: Set the wait time when stop qu <<
125 and VF, and take no other effe <<
126 0: not wait(default), others v <<
127 <<
128 What: /sys/kernel/debug/hisi_hpre/<b <<
129 Date: Feb 2024 <<
130 Contact: linux-crypto@vger.kernel.org <<
131 Description: Dump the stop queue status of <<
132 if dev_timeout is set, when st <<
133 will return non-zero value. Av <<
134 and take no other effect on HP <<
135 113
136 What: /sys/kernel/debug/hisi_hpre/<b 114 What: /sys/kernel/debug/hisi_hpre/<bdf>/hpre_dfx/diff_regs
137 Date: Mar 2022 115 Date: Mar 2022
138 Contact: linux-crypto@vger.kernel.org 116 Contact: linux-crypto@vger.kernel.org
139 Description: HPRE debug registers(regs) rea 117 Description: HPRE debug registers(regs) read hardware register value. This
140 node is used to show the chang 118 node is used to show the change of the register values. This
141 node can be help users to chec 119 node can be help users to check the change of register values.
142 120
143 What: /sys/kernel/debug/hisi_hpre/<b 121 What: /sys/kernel/debug/hisi_hpre/<bdf>/hpre_dfx/send_cnt
144 Date: Apr 2020 122 Date: Apr 2020
145 Contact: linux-crypto@vger.kernel.org 123 Contact: linux-crypto@vger.kernel.org
146 Description: Dump the total number of sent 124 Description: Dump the total number of sent requests.
147 Available for both PF and VF, 125 Available for both PF and VF, and take no other effect on HPRE.
148 126
149 What: /sys/kernel/debug/hisi_hpre/<b 127 What: /sys/kernel/debug/hisi_hpre/<bdf>/hpre_dfx/recv_cnt
150 Date: Apr 2020 128 Date: Apr 2020
151 Contact: linux-crypto@vger.kernel.org 129 Contact: linux-crypto@vger.kernel.org
152 Description: Dump the total number of recei 130 Description: Dump the total number of received requests.
153 Available for both PF and VF, 131 Available for both PF and VF, and take no other effect on HPRE.
154 132
155 What: /sys/kernel/debug/hisi_hpre/<b 133 What: /sys/kernel/debug/hisi_hpre/<bdf>/hpre_dfx/send_busy_cnt
156 Date: Apr 2020 134 Date: Apr 2020
157 Contact: linux-crypto@vger.kernel.org 135 Contact: linux-crypto@vger.kernel.org
158 Description: Dump the total number of reque 136 Description: Dump the total number of requests sent
159 with returning busy. 137 with returning busy.
160 Available for both PF and VF, 138 Available for both PF and VF, and take no other effect on HPRE.
161 139
162 What: /sys/kernel/debug/hisi_hpre/<b 140 What: /sys/kernel/debug/hisi_hpre/<bdf>/hpre_dfx/send_fail_cnt
163 Date: Apr 2020 141 Date: Apr 2020
164 Contact: linux-crypto@vger.kernel.org 142 Contact: linux-crypto@vger.kernel.org
165 Description: Dump the total number of compl 143 Description: Dump the total number of completed but error requests.
166 Available for both PF and VF, 144 Available for both PF and VF, and take no other effect on HPRE.
167 145
168 What: /sys/kernel/debug/hisi_hpre/<b 146 What: /sys/kernel/debug/hisi_hpre/<bdf>/hpre_dfx/invalid_req_cnt
169 Date: Apr 2020 147 Date: Apr 2020
170 Contact: linux-crypto@vger.kernel.org 148 Contact: linux-crypto@vger.kernel.org
171 Description: Dump the total number of inval 149 Description: Dump the total number of invalid requests being received.
172 Available for both PF and VF, 150 Available for both PF and VF, and take no other effect on HPRE.
173 151
174 What: /sys/kernel/debug/hisi_hpre/<b 152 What: /sys/kernel/debug/hisi_hpre/<bdf>/hpre_dfx/overtime_thrhld
175 Date: Apr 2020 153 Date: Apr 2020
176 Contact: linux-crypto@vger.kernel.org 154 Contact: linux-crypto@vger.kernel.org
177 Description: Set the threshold time for cou 155 Description: Set the threshold time for counting the request which is
178 processed longer than the thre 156 processed longer than the threshold.
179 0: disable(default), 1: 1 micr 157 0: disable(default), 1: 1 microsecond.
180 Available for both PF and VF, 158 Available for both PF and VF, and take no other effect on HPRE.
181 159
182 What: /sys/kernel/debug/hisi_hpre/<b 160 What: /sys/kernel/debug/hisi_hpre/<bdf>/hpre_dfx/over_thrhld_cnt
183 Date: Apr 2020 161 Date: Apr 2020
184 Contact: linux-crypto@vger.kernel.org 162 Contact: linux-crypto@vger.kernel.org
185 Description: Dump the total number of time 163 Description: Dump the total number of time out requests.
186 Available for both PF and VF, 164 Available for both PF and VF, and take no other effect on HPRE.
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