1 What: /sys/kernel/config/most_<compo 1 What: /sys/kernel/config/most_<component>
2 Date: March 8, 2019 2 Date: March 8, 2019
3 KernelVersion: 5.2 3 KernelVersion: 5.2
4 Description: Interface is used to configure 4 Description: Interface is used to configure and connect device channels
5 to component drivers. 5 to component drivers.
6 6
7 Attributes are visible only wh 7 Attributes are visible only when configfs is mounted. To mount
8 configfs in /sys/kernel/config 8 configfs in /sys/kernel/config directory use:
9 # mount -t configfs none /sys/ 9 # mount -t configfs none /sys/kernel/config/
10 10
11 11
12 What: /sys/kernel/config/most_cdev/< 12 What: /sys/kernel/config/most_cdev/<link>
13 Date: March 8, 2019 13 Date: March 8, 2019
14 KernelVersion: 5.2 14 KernelVersion: 5.2
15 Description: 15 Description:
16 The attributes: 16 The attributes:
17 17
18 buffer_size 18 buffer_size
19 configure the 19 configure the buffer size for this channel
20 20
21 subbuffer_size 21 subbuffer_size
22 configure the 22 configure the sub-buffer size for this channel
23 (needed for sy 23 (needed for synchronous and isochronous data)
24 24
25 25
26 num_buffers 26 num_buffers
27 configure numb 27 configure number of buffers used for this
28 channel 28 channel
29 29
30 datatype 30 datatype
31 configure type 31 configure type of data that will travel over
32 this channel 32 this channel
33 33
34 direction 34 direction
35 configure whet 35 configure whether this link will be an input
36 or output 36 or output
37 37
38 dbr_size 38 dbr_size
39 configure DBR 39 configure DBR data buffer size (this is used
40 for MediaLB co 40 for MediaLB communication only)
41 41
42 packets_per_xact 42 packets_per_xact
43 configure the 43 configure the number of packets that will be
44 collected from 44 collected from the network before being
45 transmitted vi 45 transmitted via USB (this is used for USB
46 communication 46 communication only)
47 47
48 device 48 device
49 name of the de 49 name of the device the link is to be attached to
50 50
51 channel 51 channel
52 name of the ch 52 name of the channel the link is to be attached to
53 53
54 comp_params 54 comp_params
55 pass parameter 55 pass parameters needed by some components
56 56
57 create_link 57 create_link
58 write '1' to t 58 write '1' to this attribute to trigger the
59 creation of th 59 creation of the link. In case of speculative
60 configuration, 60 configuration, the creation is post-poned until
61 a physical dev 61 a physical device is being attached to the bus.
62 62
63 destroy_link 63 destroy_link
64 write '1' to t 64 write '1' to this attribute to destroy an
65 active link 65 active link
66 66
67 What: /sys/kernel/config/most_video/ 67 What: /sys/kernel/config/most_video/<link>
68 Date: March 8, 2019 68 Date: March 8, 2019
69 KernelVersion: 5.2 69 KernelVersion: 5.2
70 Description: 70 Description:
71 The attributes: 71 The attributes:
72 72
73 buffer_size 73 buffer_size
74 configure the 74 configure the buffer size for this channel
75 75
76 subbuffer_size 76 subbuffer_size
77 configure the 77 configure the sub-buffer size for this channel
78 (needed for sy 78 (needed for synchronous and isochronous data)
79 79
80 80
81 num_buffers 81 num_buffers
82 configure numb 82 configure number of buffers used for this
83 channel 83 channel
84 84
85 datatype 85 datatype
86 configure type 86 configure type of data that will travel over
87 this channel 87 this channel
88 88
89 direction 89 direction
90 configure whet 90 configure whether this link will be an input
91 or output 91 or output
92 92
93 dbr_size 93 dbr_size
94 configure DBR 94 configure DBR data buffer size (this is used
95 for MediaLB co 95 for MediaLB communication only)
96 96
97 packets_per_xact 97 packets_per_xact
98 configure the 98 configure the number of packets that will be
99 collected from 99 collected from the network before being
100 transmitted vi 100 transmitted via USB (this is used for USB
101 communication 101 communication only)
102 102
103 device 103 device
104 name of the de 104 name of the device the link is to be attached to
105 105
106 channel 106 channel
107 name of the ch 107 name of the channel the link is to be attached to
108 108
109 comp_params 109 comp_params
110 pass parameter 110 pass parameters needed by some components
111 111
112 create_link 112 create_link
113 write '1' to t 113 write '1' to this attribute to trigger the
114 creation of th 114 creation of the link. In case of speculative
115 configuration, 115 configuration, the creation is post-poned until
116 a physical dev 116 a physical device is being attached to the bus.
117 117
118 destroy_link 118 destroy_link
119 write '1' to t 119 write '1' to this attribute to destroy an
120 active link 120 active link
121 121
122 What: /sys/kernel/config/most_net/<l 122 What: /sys/kernel/config/most_net/<link>
123 Date: March 8, 2019 123 Date: March 8, 2019
124 KernelVersion: 5.2 124 KernelVersion: 5.2
125 Description: 125 Description:
126 The attributes: 126 The attributes:
127 127
128 buffer_size 128 buffer_size
129 configure the 129 configure the buffer size for this channel
130 130
131 subbuffer_size 131 subbuffer_size
132 configure the 132 configure the sub-buffer size for this channel
133 (needed for sy 133 (needed for synchronous and isochronous data)
134 134
135 135
136 num_buffers 136 num_buffers
137 configure numb 137 configure number of buffers used for this
138 channel 138 channel
139 139
140 datatype 140 datatype
141 configure type 141 configure type of data that will travel over
142 this channel 142 this channel
143 143
144 direction 144 direction
145 configure whet 145 configure whether this link will be an input
146 or output 146 or output
147 147
148 dbr_size 148 dbr_size
149 configure DBR 149 configure DBR data buffer size (this is used
150 for MediaLB co 150 for MediaLB communication only)
151 151
152 packets_per_xact 152 packets_per_xact
153 configure the 153 configure the number of packets that will be
154 collected from 154 collected from the network before being
155 transmitted vi 155 transmitted via USB (this is used for USB
156 communication 156 communication only)
157 157
158 device 158 device
159 name of the de 159 name of the device the link is to be attached to
160 160
161 channel 161 channel
162 name of the ch 162 name of the channel the link is to be attached to
163 163
164 comp_params 164 comp_params
165 pass parameter 165 pass parameters needed by some components
166 166
167 create_link 167 create_link
168 write '1' to t 168 write '1' to this attribute to trigger the
169 creation of th 169 creation of the link. In case of speculative
170 configuration, 170 configuration, the creation is post-poned until
171 a physical dev 171 a physical device is being attached to the bus.
172 172
173 destroy_link 173 destroy_link
174 write '1' to t 174 write '1' to this attribute to destroy an
175 active link 175 active link
176 176
177 What: /sys/kernel/config/most_sound/ 177 What: /sys/kernel/config/most_sound/<card>
178 Date: March 8, 2019 178 Date: March 8, 2019
179 KernelVersion: 5.2 179 KernelVersion: 5.2
180 Description: 180 Description:
181 The attributes: 181 The attributes:
182 182
183 create_card 183 create_card
184 write '1' to t 184 write '1' to this attribute to trigger the
185 registration o 185 registration of the sound card with the ALSA
186 subsystem. 186 subsystem.
187 187
188 What: /sys/kernel/config/most_sound/ 188 What: /sys/kernel/config/most_sound/<card>/<link>
189 Date: March 8, 2019 189 Date: March 8, 2019
190 KernelVersion: 5.2 190 KernelVersion: 5.2
191 Description: 191 Description:
192 The attributes: 192 The attributes:
193 193
194 buffer_size 194 buffer_size
195 configure the 195 configure the buffer size for this channel
196 196
197 subbuffer_size 197 subbuffer_size
198 configure the 198 configure the sub-buffer size for this channel
199 (needed for sy 199 (needed for synchronous and isochronous data)
200 200
201 201
202 num_buffers 202 num_buffers
203 configure numb 203 configure number of buffers used for this
204 channel 204 channel
205 205
206 datatype 206 datatype
207 configure type 207 configure type of data that will travel over
208 this channel 208 this channel
209 209
210 direction 210 direction
211 configure whet 211 configure whether this link will be an input
212 or output 212 or output
213 213
214 dbr_size 214 dbr_size
215 configure DBR 215 configure DBR data buffer size (this is used
216 for MediaLB co 216 for MediaLB communication only)
217 217
218 packets_per_xact 218 packets_per_xact
219 configure the 219 configure the number of packets that will be
220 collected from 220 collected from the network before being
221 transmitted vi 221 transmitted via USB (this is used for USB
222 communication 222 communication only)
223 223
224 device 224 device
225 name of the de 225 name of the device the link is to be attached to
226 226
227 channel 227 channel
228 name of the ch 228 name of the channel the link is to be attached to
229 229
230 comp_params 230 comp_params
231 pass parameter 231 pass parameters needed by some components
232 232
233 create_link 233 create_link
234 write '1' to t 234 write '1' to this attribute to trigger the
235 creation of th 235 creation of the link. In case of speculative
236 configuration, 236 configuration, the creation is post-poned until
237 a physical dev 237 a physical device is being attached to the bus.
238 238
239 destroy_link 239 destroy_link
240 write '1' to t 240 write '1' to this attribute to destroy an
241 active link 241 active link
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