1*2d4103aeSQi LiuWhat: /sys/bus/coresight/devices/ultra_smb<N>/enable_sink 2*2d4103aeSQi LiuDate: January 2023 3*2d4103aeSQi LiuKernelVersion: 6.3 4*2d4103aeSQi LiuContact: Junhao He <hejunhao3@huawei.com> 5*2d4103aeSQi LiuDescription: (RW) Add/remove a SMB device from a trace path. There can be 6*2d4103aeSQi Liu multiple sources for a single SMB device. 7*2d4103aeSQi Liu 8*2d4103aeSQi LiuWhat: /sys/bus/coresight/devices/ultra_smb<N>/mgmt/buf_size 9*2d4103aeSQi LiuDate: January 2023 10*2d4103aeSQi LiuKernelVersion: 6.3 11*2d4103aeSQi LiuContact: Junhao He <hejunhao3@huawei.com> 12*2d4103aeSQi LiuDescription: (RO) Shows the buffer size of each UltraSoc SMB device. 13*2d4103aeSQi Liu 14*2d4103aeSQi LiuWhat: /sys/bus/coresight/devices/ultra_smb<N>/mgmt/buf_status 15*2d4103aeSQi LiuDate: January 2023 16*2d4103aeSQi LiuKernelVersion: 6.3 17*2d4103aeSQi LiuContact: Junhao He <hejunhao3@huawei.com> 18*2d4103aeSQi LiuDescription: (RO) Shows the value of UltraSoc SMB status register. 19*2d4103aeSQi Liu BIT(0) is zero means buffer is empty. 20*2d4103aeSQi Liu 21*2d4103aeSQi LiuWhat: /sys/bus/coresight/devices/ultra_smb<N>/mgmt/read_pos 22*2d4103aeSQi LiuDate: January 2023 23*2d4103aeSQi LiuKernelVersion: 6.3 24*2d4103aeSQi LiuContact: Junhao He <hejunhao3@huawei.com> 25*2d4103aeSQi LiuDescription: (RO) Shows the value of UltraSoc SMB Read Pointer register. 26*2d4103aeSQi Liu 27*2d4103aeSQi LiuWhat: /sys/bus/coresight/devices/ultra_smb<N>/mgmt/write_pos 28*2d4103aeSQi LiuDate: January 2023 29*2d4103aeSQi LiuKernelVersion: 6.3 30*2d4103aeSQi LiuContact: Junhao He <hejunhao3@huawei.com> 31*2d4103aeSQi LiuDescription: (RO) Shows the value of UltraSoc SMB Write Pointer register. 32