| 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. |