1 What: /sys/kernel/debug/hisi_hpre/<bdf>/cluster[0-3]/regs
3 Contact: linux-crypto@vger.kernel.org
4 Description: Dump debug registers from the HPRE cluster.
7 What: /sys/kernel/debug/hisi_hpre/<bdf>/cluster[0-3]/cluster_ctrl
9 Contact: linux-crypto@vger.kernel.org
10 Description: Write the HPRE core selection in the cluster into this file,
11 and then we can read the debug information of the core.
12 Only available for PF.
14 What: /sys/kernel/debug/hisi_hpre/<bdf>/rdclr_en
16 Contact: linux-crypto@vger.kernel.org
17 Description: HPRE cores debug registers read clear control. 1 means enable
18 register read clear, otherwise 0. Writing to this file has no
19 functional effect, only enable or disable counters clear after
20 reading of these registers.
21 Only available for PF.
23 What: /sys/kernel/debug/hisi_hpre/<bdf>/current_qm
25 Contact: linux-crypto@vger.kernel.org
26 Description: One HPRE controller has one PF and multiple VFs, each function
27 has a QM. Select the QM which below qm refers to.
28 Only available for PF.
30 What: /sys/kernel/debug/hisi_hpre/<bdf>/alg_qos
32 Contact: linux-crypto@vger.kernel.org
33 Description: The <bdf> is related the function for PF and VF.
34 HPRE driver supports to configure each function's QoS, the driver
35 supports to write <bdf> value to alg_qos in the host. Such as
36 "echo <bdf> value > alg_qos". The qos value is 1~1000, means
37 1/1000~1000/1000 of total QoS. The driver reading alg_qos to
38 get related QoS in the host and VM, Such as "cat alg_qos".
40 What: /sys/kernel/debug/hisi_hpre/<bdf>/regs
42 Contact: linux-crypto@vger.kernel.org
43 Description: Dump debug registers from the HPRE.
44 Only available for PF.
46 What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/regs
48 Contact: linux-crypto@vger.kernel.org
49 Description: Dump debug registers from the QM.
50 Available for PF and VF in host. VF in guest currently only
51 has one debug register.
53 What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/current_q
55 Contact: linux-crypto@vger.kernel.org
56 Description: One QM may contain multiple queues. Select specific queue to
57 show its debug registers in above regs.
58 Only available for PF.
60 What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/clear_enable
62 Contact: linux-crypto@vger.kernel.org
63 Description: QM debug registers(regs) read clear control. 1 means enable
64 register read clear, otherwise 0.
65 Writing to this file has no functional effect, only enable or
66 disable counters clear after reading of these registers.
67 Only available for PF.
69 What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/err_irq
71 Contact: linux-crypto@vger.kernel.org
72 Description: Dump the number of invalid interrupts for
74 Available for both PF and VF, and take no other effect on HPRE.
76 What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/aeq_irq
78 Contact: linux-crypto@vger.kernel.org
79 Description: Dump the number of QM async event queue interrupts.
80 Available for both PF and VF, and take no other effect on HPRE.
82 What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/abnormal_irq
84 Contact: linux-crypto@vger.kernel.org
85 Description: Dump the number of interrupts for QM abnormal event.
86 Available for both PF and VF, and take no other effect on HPRE.
88 What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/create_qp_err
90 Contact: linux-crypto@vger.kernel.org
91 Description: Dump the number of queue allocation errors.
92 Available for both PF and VF, and take no other effect on HPRE.
94 What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/mb_err
96 Contact: linux-crypto@vger.kernel.org
97 Description: Dump the number of failed QM mailbox commands.
98 Available for both PF and VF, and take no other effect on HPRE.
100 What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/status
102 Contact: linux-crypto@vger.kernel.org
103 Description: Dump the status of the QM.
104 Two states: work, stop.
105 Available for both PF and VF, and take no other effect on HPRE.
107 What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/diff_regs
109 Contact: linux-crypto@vger.kernel.org
110 Description: QM debug registers(regs) read hardware register value. This
111 node is used to show the change of the qm register values. This
112 node can be help users to check the change of register values.
114 What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/qm_state
116 Contact: linux-crypto@vger.kernel.org
117 Description: Dump the state of the device.
119 Only available for PF, and take no other effect on HPRE.
121 What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/dev_timeout
123 Contact: linux-crypto@vger.kernel.org
124 Description: Set the wait time when stop queue fails. Available for both PF
125 and VF, and take no other effect on HPRE.
126 0: not wait(default), others value: wait dev_timeout * 20 microsecond.
128 What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/dev_state
130 Contact: linux-crypto@vger.kernel.org
131 Description: Dump the stop queue status of the QM. The default value is 0,
132 if dev_timeout is set, when stop queue fails, the dev_state
133 will return non-zero value. Available for both PF and VF,
134 and take no other effect on HPRE.
136 What: /sys/kernel/debug/hisi_hpre/<bdf>/hpre_dfx/diff_regs
138 Contact: linux-crypto@vger.kernel.org
139 Description: HPRE debug registers(regs) read hardware register value. This
140 node is used to show the change of the register values. This
141 node can be help users to check the change of register values.
143 What: /sys/kernel/debug/hisi_hpre/<bdf>/hpre_dfx/send_cnt
145 Contact: linux-crypto@vger.kernel.org
146 Description: Dump the total number of sent requests.
147 Available for both PF and VF, and take no other effect on HPRE.
149 What: /sys/kernel/debug/hisi_hpre/<bdf>/hpre_dfx/recv_cnt
151 Contact: linux-crypto@vger.kernel.org
152 Description: Dump the total number of received requests.
153 Available for both PF and VF, and take no other effect on HPRE.
155 What: /sys/kernel/debug/hisi_hpre/<bdf>/hpre_dfx/send_busy_cnt
157 Contact: linux-crypto@vger.kernel.org
158 Description: Dump the total number of requests sent
160 Available for both PF and VF, and take no other effect on HPRE.
162 What: /sys/kernel/debug/hisi_hpre/<bdf>/hpre_dfx/send_fail_cnt
164 Contact: linux-crypto@vger.kernel.org
165 Description: Dump the total number of completed but error requests.
166 Available for both PF and VF, and take no other effect on HPRE.
168 What: /sys/kernel/debug/hisi_hpre/<bdf>/hpre_dfx/invalid_req_cnt
170 Contact: linux-crypto@vger.kernel.org
171 Description: Dump the total number of invalid requests being received.
172 Available for both PF and VF, and take no other effect on HPRE.
174 What: /sys/kernel/debug/hisi_hpre/<bdf>/hpre_dfx/overtime_thrhld
176 Contact: linux-crypto@vger.kernel.org
177 Description: Set the threshold time for counting the request which is
178 processed longer than the threshold.
179 0: disable(default), 1: 1 microsecond.
180 Available for both PF and VF, and take no other effect on HPRE.
182 What: /sys/kernel/debug/hisi_hpre/<bdf>/hpre_dfx/over_thrhld_cnt
184 Contact: linux-crypto@vger.kernel.org
185 Description: Dump the total number of time out requests.
186 Available for both PF and VF, and take no other effect on HPRE.
188 What: /sys/kernel/debug/hisi_hpre/<bdf>/cap_regs
190 Contact: linux-crypto@vger.kernel.org
191 Description: Dump the values of the qm and hpre capability bit registers and
192 support the query of device specifications to facilitate fault locating.
193 Available for both PF and VF, and take no other effect on HPRE.