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