blob: f560918ae73815670b02db09f3689f3919957b00 [file] [log] [blame]
What: /sys/bus/coresight/devices/ultra_smb<N>/enable_sink
Date: January 2023
KernelVersion: 6.3
Contact: Junhao He <hejunhao3@huawei.com>
Description: (RW) Add/remove a SMB device from a trace path. There can be
multiple sources for a single SMB device.
What: /sys/bus/coresight/devices/ultra_smb<N>/mgmt/buf_size
Date: January 2023
KernelVersion: 6.3
Contact: Junhao He <hejunhao3@huawei.com>
Description: (RO) Shows the buffer size of each UltraSoc SMB device.
What: /sys/bus/coresight/devices/ultra_smb<N>/mgmt/buf_status
Date: January 2023
KernelVersion: 6.3
Contact: Junhao He <hejunhao3@huawei.com>
Description: (RO) Shows the value of UltraSoc SMB status register.
BIT(0) is zero means buffer is empty.
What: /sys/bus/coresight/devices/ultra_smb<N>/mgmt/read_pos
Date: January 2023
KernelVersion: 6.3
Contact: Junhao He <hejunhao3@huawei.com>
Description: (RO) Shows the value of UltraSoc SMB Read Pointer register.
What: /sys/bus/coresight/devices/ultra_smb<N>/mgmt/write_pos
Date: January 2023
KernelVersion: 6.3
Contact: Junhao He <hejunhao3@huawei.com>
Description: (RO) Shows the value of UltraSoc SMB Write Pointer register.