【文件属性】:
文件名称:pcie3.0规范
文件大小:3.95MB
文件格式:ZIP
更新时间:2021-12-17 05:36:34
pcie规范
OBJECTIVE OF THE SPECIFICATION.................................................................................... 27
DOCUMENT ORGANIZATION ................................................................................................ 27
DOCUMENTATION CONVENTIONS...................................................................................... 28
TERMS AND ACRONYMS........................................................................................................ 29
REFERENCE DOCUMENTS...................................................................................................... 36
1. INTRODUCTION ................................................................................................................ 37
1.1. A THIRD GENERATION I/O INTERCONNECT ................................................................... 37
1.2. PCI EXPRESS LINK......................................................................................................... 39
1.3. PCI EXPRESS FABRIC TOPOLOGY .................................................................................. 41
1.3.1. Root Complex........................................................................................................ 41
1.3.2. Endpoints .............................................................................................................. 42
1.3.3. Switch.................................................................................................................... 45
1.3.4. Root Complex Event Collector.............................................................................. 46
1.3.5. PCI Express to PCI/PCI-X Bridge........................................................................ 46
1.4. PCI EXPRESS FABRIC TOPOLOGY CONFIGURATION....................................................... 46
1.5. PCI EXPRESS LAYERING OVERVIEW.............................................................................. 47
1.5.1. Transaction Layer................................................................................................. 48
1.5.2. Data Link Layer .................................................................................................... 48
1.5.3. Physical Layer ...................................................................................................... 49
1.5.4. Layer Functions and Services............................................................................... 49
2. TRANSACTION LAYER SPECIFICATION ..................................................................... 53
2.1. TRANSACTION LAYER OVERVIEW.................................................................................. 53
2.1.1. Address Spaces, Transaction Types, and Usage................................................... 54
2.1.2. Packet Format Overview ...................................................................................... 56
2.2. TRANSACTION LAYER PROTOCOL - PACKET DEFINITION............................................... 58
2.2.1. Common Packet Header Fields ............................................................................ 58
2.2.2. TLPs with Data Payloads - Rules ......................................................................... 61
2.2.3. TLP Digest Rules .................................................................................................. 65
2.2.4. Routing and Addressing Rules .............................................................................. 65
2.2.5. First/Last DW Byte Enables Rules........................................................................ 69
2.2.6. Transaction Descriptor......................................................................................... 71
2.2.7. Memory, I/O, and Configuration Request Rules................................................... 77
2.2.8. Message Request Rules......................................................................................... 83
2.2.9. Completion Rules.................................................................................................. 97
2.2.10. TLP Prefix Rules ................................................................................................. 100
2.3. HANDLING OF RECEIVED TLPS.................................................................................... 104
【文件预览】:
PCI_Express_Base_r3.0_10Nov10.pdf
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