| SCGT_NODE_ID | 0 | yes | Node Id Of unit. |
| SCGT_ACTIVE_LINK | 1 | yes | Units Active Link. For Boards with multiple links (link 0and 1),
you may get/set the active link. |
| SCGT_NUM_LINK_ERRS | 2 | yes | Number of Link errors. |
| SCGT_EWRAP | 3 | yes | Set to '1' to enable electronic wrp and bypass thelink. Set to
'0' to disable. |
| SCGT_WRITE_ME_LAST | 4 | yes | Set to '1' to specify that writes to shared memory willoccur only
after coresponding native packets traversethe ring. Set to '0' to
specify normal operation, whereWrites to shared memory will not rely
on the receptionof native packets. |
| SCGT_UNICAST_INT_MASK | 5 | yes | Set to '1' to enable receives of Unicast Interrupts. Setto '0' to
disable. |
| SCGT_BROADCAST_INT_MASK | 6 | yes | Bit vestor describing which of the 32 BroadcastInterupts to
receive. Bit 0 coresponds to broadcastInterrupt 0, and bit
31-corresponds to broadcastinterrupt31. Set the coresponding bit to
'1' to receivethe broadcast interrupt, set to '0' otherwise.
Forexample, to receive interrupt 16 set the mask asfollows: mask =
Mask | (1<<16); |
| SCGT_INT_SELF_ENABLE | 7 | yes | Se tto '1' to enable reception of network interrupts sentby this
node. Set to '0' to disable. |
| SCGT_RING_SIZE | 8 | | The Number of nodes on the ring. |
| SCGT_UPSTREAM_NODE_ID | 9 | | Node ID ot the ring upstream to this node. |
| SCGT_NET_TIMER_VAL | 10 | | Timer that is incremented on every network transmitclock period.
For 2.5Gbps configurations, the networktransmit clock period is 8ns.
See the hardwaremanaual for addtional information. |
| SCGT_LATENCY_TIMER_VAL | 11 | | Timer that measures transmit latency of the network. |
| SCGT_SM_TRAFFIC_CNT | 12 | | Number of 32-bit shared memory data phases. |
| SCGT_SPY_TRAFFIC_CNT | 13 | yes | Number of 32-bit data phases transmited by
nodeSCGT_SPY_NODE_ID. |
| SCGT_SPY_NODE_ID | 14 | yes | The Node Id for whci 32-bit data phases will be |
| SCGT_TRANSMIT_ENABLE | 15 | yes | Set to '1' to enable native packet transmitions. Set to'0' to
disable. Does not affect retransmition ofnetwork packets. |
| SCGT_RECIEVE_ENABLE | 16 | yes | Set to '1' to enable network packet reception. Set to '0'to
disable. This includes data packets and networkinterrupt packets.
Does not affect retrasnmition ofNetwork packets. |
| SCGT_RETRANSMIT_ENABLE | 17 | yes | Set to '1' to enable retrasnmission of foreign networktraffic.
Set to '0' to disable. |
| SCGT_LASER_0_ENABLE | 18 | yes | Set to '0' enable laser. Set to '0' to disable. |
| SCGT_LASER_1_ENABLE | 19 | yes | Set to '0' enable laser. Set to '0' to disable. |
| SCGT_LINK_UP | 20 | | Link up status for active link. '1' if link u, '0' if
down. |
| SCGT_LASER_0_SIGNAL_DET | 21 | | Signal detect state for Laser 0: '1' is signal detected, '0'if no
signal detected. |
| SCGT_LASER_1_SIGNAL_DET | 22 | | Signal detect state for Laser 1: '1' is signal detected, '0'if no
signal detected. |
| SCGT_D64_ENABLE | 23 | yes | Set to '1' to enable 64-bit PCI data trasnfers by the GTDMA
engine. Se tto '0' to allow only 32-bit PCI datatrasnfers by the GT
DMA engine. |
| SCGT_BYTE_SWAP_ENABLE | 24 | yes | Set to '1' to enable byte swapping on accesses to GTmemory. Set
to '0' to disable. |
| SCGT_WORD_SWAP_ENABLE | 25 | yes | Set to '1' to enable byte swapping of 32-bit words on
64-bitaccesses to GT memory. Set to '0' to disable. |
| SCGT_LINK_ERR_INT_ENABLE | 26 | yes | Set to '1' to enable reception of link error interrupts.Set to 0
to disable. |
| SCGT_INT_TRFC_CNTR | 27 | | Interrpt Traffic Counter. This counter is incremented onevery
reception of network interrupt traffic (native or foreign). |
| SCGT_NHIQ_INT_CNTR | 28 | | Network Interrupt Counter. This counter is incremented on every
networkinterrupt that has been placed into the Network Host
Interrupt Queue(NHIQ).This values gives a toal number of interrupts
received. |
| SCGT_HST_INT_CNTR | 29 | | Host Interupt counter. This counter is incremented onevery new
assertion of a host interrupt request. |