Altera IP Compiler for PCI Express - Manual (Page 314)

A–2 Chapter :
TLP Packet Format without Data Payload
IP Compiler for PCI Express User Guide August 2014 Altera Corporation
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Byte 8 Address[31:2] 0 0
Byte 12 Reserved
Table A–3. Memory Read Request, Locked 32-Bit Addressing
Table A–4. Memory Read Request, 64-Bit Addressing
+0 +1 +2 +3
7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0
Byte 0 0 0 1 0 0 0 0 0 0 TC 0 0 0 0 TD EP
Att
r
0 0 Length
Byte 4 Requestor ID Tag Last BE First BE
Byte 8 Address[63:32]
Byte 12 Address[31:2] 0 0
Table A–5. Memory Read Request, Locked 64-Bit Addressing
+0 +1 +2 +3
7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0
Byte 0 0 0 1 0 0 0 0 1 0 TC 0 0 0 0 T EP
Att
r
0 0 Length
Byte 4 Requestor ID Tag Last BE First BE
Byte 8 Address[63:32]
Byte 12 Address[31:2] 0 0
Table A–6. Configuration Read Request Root Port (Type 1)
+0 +1 +2 +3
7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0
Byte 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 TD EP 0 0 0 0 0 0 0 0 0 0 0 0 0 1
Byte 4 Requestor ID Tag 0 0 0 0 First BE
Byte 8 Bus Number Device No Func 0 0 0 0 Ext Reg Register No 0 0
Byte 12 Reserved
Table A–7. I/O Read Request
+0 +1 +2 +3
7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0
Byte 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 TD EP 0 0 0 0 0 0 0 0 0 0 0 0 0 1
Byte 4 Requestor ID Tag 0 0 0 0 First BE
Byte 8 Address[31:2] 0 0
Byte 12 Reserved
Table A–8. Message without Data
+0 +1 +2 +3
7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0