Bit | Bit Width | Field Name | Description |
---|---|---|---|
[47] | 1 | reserved | Reserved |
[46:43] | 4 | fetch_pnd | Descriptor fetch pending |
[42] | 1 | evt_pnd | Event pending |
[41] | 1 | idl_stp_b |
Queue invalid and no descriptors pending. This bit is set when the queue is enabled. The bit is cleared when the queue has been disabled (software context qen bit) and no more descriptors are pending. [0] Queue is disabled (software context qen bit) and no more descriptors pending. [1] Queue is enabled. |
[40] | 1 | dsc_pnd | Descriptors pending. Descriptors are defined to be pending if the last CIDX completed does not match the current PIDX. |
[39:32] | 8 | Reserved | |
[31:16] | 16 | crd_use | Credits consumed. Applicable if fetch credits are enabled in the software context. |
[15:0] | 16 | cidx | Consumer index of last fetched descriptor. |