Specifications

Data Structures
1.17 SCSI Port Descriptor Table (SPDT)
Figure 1–20 SCSI Port Descriptor Table (SPDT)
SPDT$L_FLINK* 0
SPDT$W_SIZE*SPDT$B_TYPE*SPDT$B_SUBTYP* 4
SPDT$W_SPDT_TYPE*SPDT$B_SCSI_INT_MSK*SPDT$B_FLCK* 8
SPDT$L_FPC* 12
SPDT$L_FR3* 16
SPDT$L_FR4* 20
SPDT$L_SCSI_PORT_ID* 24
SPDT$L_SCSI_BUS_ID* 28
SPDT$L_STS* 32
SPDT$L_PORT_WQFL* 36
SPDT$L_PORT_WQBL* 40
SPDT$L_MAXBYTECNT* 44
SPDT$L_WAITQFL 48
SPDT$L_WAITQBL 52
SPDT$L_PORT_UCB* 56
SPDT$L_PORT_CSR* 60
SPDT$L_PORT_IDB* 64
SPDT$L_DMA_BASE* 68
SPDT$L_SPTE_BASE* 72
SPDT$L_SPTE_SVAPTE* 76
SPDT$L_ADP* 80
SPDT$L_PORT_RING* (64 bytes) 84
SPDT$L_PORT_RING_PTR* 148
SPDT$L_OWNERSCDT* 152
SPDT$L_SCDT_VECTOR* (256 bytes) 156
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