1 What: /sys/bus/pci/devices/<BDF>/qat
2 Date: June 2022
3 KernelVersion: 6.0
4 Contact: qat-linux@intel.com
5 Description: (RW) Reports the current state
6 the file to start or stop the
7
8 The values are:
9
10 * up: the device is up and run
11 * down: the device is down
12
13
14 It is possible to transition t
15 if the device is up and vice v
16
17 This attribute is only availab
18
19 What: /sys/bus/pci/devices/<BDF>/qat
20 Date: June 2022
21 KernelVersion: 6.0
22 Contact: qat-linux@intel.com
23 Description: (RW) Reports the current confi
24 Write to the file to change th
25
26 The values are:
27
28 * sym;asym: the device is conf
29 services
30 * asym;sym: identical to sym;a
31 * dc: the device is configured
32 * dcc: identical to dc but ena
33 hash then compression. If th
34 * sym: the device is configure
35 services
36 * asym: the device is configur
37 services
38 * asym;dc: the device is confi
39 crypto services and compress
40 * dc;asym: identical to asym;d
41 * sym;dc: the device is config
42 services and compression ser
43 * dc;sym: identical to sym;dc
44
45 It is possible to set the conf
46 is in the `down` state (see /s
47
48 The following example shows ho
49 a device configured for runnin
50 run data compression::
51
52 # cat /sys/bus/pci/dev
53 up
54 # cat /sys/bus/pci/dev
55 sym;asym
56 # echo down > /sys/bus
57 # echo dc > /sys/bus/p
58 # echo up > /sys/bus/p
59 # cat /sys/bus/pci/dev
60 dc
61
62 This attribute is only availab
63
64 What: /sys/bus/pci/devices/<BDF>/qat
65 Date: June 2023
66 KernelVersion: 6.5
67 Contact: qat-linux@intel.com
68 Description: (RW) This configuration option
69 the MAX power state.
70 If idle support is enabled the
71 idle, otherwise will stay in t
72 Write to the file to enable or
73
74 The values are:
75
76 * 0: idle support is disabled
77 * 1: idle support is enabled
78
79 Default value is 1.
80
81 It is possible to set the pm_i
82 is in the `down` state (see /s
83
84 The following example shows ho
85 a device::
86
87 # cat /sys/bus/pci/dev
88 up
89 # cat /sys/bus/pci/dev
90 1
91 # echo down > /sys/bus
92 # echo 0 > /sys/bus/pc
93 # echo up > /sys/bus/p
94 # cat /sys/bus/pci/dev
95 0
96
97 This attribute is only availab
98
99 What: /sys/bus/pci/devices/<BDF>/qat
100 Date: January 2024
101 KernelVersion: 6.7
102 Contact: qat-linux@intel.com
103 Description:
104 (RW) This attribute provides a
105 specific ring pair for the typ
106 configured for.
107
108 When written to, the value is
109 read operation. Allowed values
110 N is the max number of ring pa
111 can be queried using the attri
112
113 A read returns the service ass
114
115 The values are:
116
117 * dc: the ring pair is configu
118 * sym: the ring pair is config
119 services
120 * asym: the ring pair is confi
121 services
122
123 Example usage::
124
125 # echo 1 > /sys/bus/pc
126 # cat /sys/bus/pci/dev
127 sym
128
129 This attribute is only availab
130
131 What: /sys/bus/pci/devices/<BDF>/qat
132 Date: January 2024
133 KernelVersion: 6.7
134 Contact: qat-linux@intel.com
135 Description:
136 (RO) Returns the number of rin
137
138 Example usage::
139
140 # cat /sys/bus/pci/dev
141 64
142
143 This attribute is only availab
144
145 What: /sys/bus/pci/devices/<BDF>/qat
146 Date: May 2024
147 KernelVersion: 6.9
148 Contact: qat-linux@intel.com
149 Description: (RW) Reports the current state
150 for a QAT device
151
152 Write to the attribute to enab
153
154 Device auto reset is disabled
155
156 The values are:
157
158 * 1/Yy/on: auto reset enabled.
159 unrecoverable error, it will
160 * 0/Nn/off: auto reset disable
161 unrecoverable error, it will
162
163 This attribute is only availab
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