Documentation/ABI/testing/sysfs-bus-coresight-devices-ultra_smb

   1 What:           /sys/bus/coresight/devices/ultra_smb<N>/enable_sink
   2 Date:           January 2023
   3 KernelVersion:  6.3
   4 Contact:        Junhao He <hejunhao3@huawei.com>
   5 Description:    (RW) Add/remove a SMB device from a trace path. There can be
   6                 multiple sources for a single SMB device.
   7
   8 What:           /sys/bus/coresight/devices/ultra_smb<N>/mgmt/buf_size
   9 Date:           January 2023
  10 KernelVersion:  6.3
  11 Contact:        Junhao He <hejunhao3@huawei.com>
  12 Description:    (RO) Shows the buffer size of each UltraSoc SMB device.
  13
  14 What:           /sys/bus/coresight/devices/ultra_smb<N>/mgmt/buf_status
  15 Date:           January 2023
  16 KernelVersion:  6.3
  17 Contact:        Junhao He <hejunhao3@huawei.com>
  18 Description:    (RO) Shows the value of UltraSoc SMB status register.
  19                 BIT(0) is zero means buffer is empty.
  20
  21 What:           /sys/bus/coresight/devices/ultra_smb<N>/mgmt/read_pos
  22 Date:           January 2023
  23 KernelVersion:  6.3
  24 Contact:        Junhao He <hejunhao3@huawei.com>
  25 Description:    (RO) Shows the value of UltraSoc SMB Read Pointer register.
  26
  27 What:           /sys/bus/coresight/devices/ultra_smb<N>/mgmt/write_pos
  28 Date:           January 2023
  29 KernelVersion:  6.3
  30 Contact:        Junhao He <hejunhao3@huawei.com>
  31 Description:    (RO) Shows the value of UltraSoc SMB Write Pointer register.