Bitfields for ASPI request flags |
| Bit | Description |
|---|---|
|
0 |
posting enabled |
|
1 |
linking enabled |
|
2 |
residual byte length reported in Data Allocation Length field |
|
3 |
transfer from SCSI target to host |
|
4 |
transfer from host to SCSI target |
|
5 |
scatter/gather |
|
7 - 6 |
reserved |
|
Note: |
No data is transferred if both bits 3 and 4 are set; if neither is set, the direction is determined by the SCSI command. |
|
See Also: |