sysfs-bus-coresight-devices-ultra_smb

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