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Common IOPB Structures
71
Command Code
This field specifies the command to be executed. Particular values are noted for each of the individual commands.
Command Options
This field specifies operational parameters or options to be associated with the execution of the command. The
following subfields are available for all commands:
Table 3-15. Command Options
Interrupt Enable (IE)
When set, the controller interrupts the host upon completion of the command, using the normal interrupt level
and vector located in the IOPB if no error occurred, or the error interrupt level and vector otherwise.
Return Status
This field contains the returned status for the command. Any non-zero value indicates an error.
Normal Completion Level / Vector
This field contains the VMEbus interrupt level and vector used by the controller to notify the host of a successful
command completion. These values are ignored when a command is posted as a multiple completion.
Error Completion Level / Vector
This field contains the VMEbus interrupt level and vector used to return commands which complete with errors.
DMA Transfer Control Word
This field contains control information which governs the DMA transfer of data between the host and the controller.
The following subfields are defined:
Table 3-16. DMA Transfer Control Word
Command Options
Offst 1514131211109876543210
0x01 IE
DMA Transfer Control Word
Offst 1514131211109876543210
0x05 Reserved DIR TT MT Address modifier
- V/Ethernet 4221 Condor 1
- User’s Guide 1
- Copyright Notice 3
- Disclaimer 3
- For Assistance 4
- Trademark Acknowledgments 4
- TABLE OF CONTENTS 5
- LIST OF FIGURES 9
- LIST OF TABLES 11
- CHAPTER 1 13
- INTRODUCTION 13
- Conventions 14
- General Description 14
- Features 14
- Physical Description 15
- Functional Description 15
- VMEbus Master Interface 16
- Local Bus 16
- VMEbus Short I/O Interface 17
- CPU Core 17
- CPU/LBUS Interface 18
- CHAPTER 2 19
- HARDWARE INSTALLATION 19
- OPTIONAL 21
- DAUGHTER 21
- Step 1. Visual Inspection 26
- Diagnostic LEDs 26
- Board Status LEDs 27
- Motherboard Jumper Settings 28
- J12 VME Bus Grant: 29
- J13 Firmware Option Jumpers: 29
- J14 Firmware Option Jumpers: 30
- Step 5. Power Off System 63
- Step 6. Cabling Procedure 63
- RS232 Connectors And Cables 64
- CHAPTER 3 65
- MACSI HOST INTERFACE 65
- Field Offset 66
- Contiguous Data Allocation 66
- System Interface 67
- MACSI Organization 67
- Master Status Register (MSR) 69
- 1514131211109876543210 69
- Master Control Register (MCR) 70
- Onboard Command Queue Entry 71
- Offboard Command Queue Entry 72
- DMA Transfer Control Word 73
- Host Address 73
- Offboard Transfer Length 73
- Work Queue Number 73
- Command Response Block (CRB) 74
- Command Tag 75
- IOPB Length 75
- Transfer Count 76
- Product Code 77
- Product Variation 77
- Firmware Revision Level 78
- Firmware Revision Date 78
- Controller Statistics Block 79
- Transmit Commands Submitted 80
- Transmit DMA Completions 80
- Transmit 82596 Completions 80
- Successful Transmits 80
- Failed Transmits 80
- IO Parameter Blocks (IOPBs) 82
- Common IOPB Structures 82
- Initialize Controller 85
- Number of CQE Entries 86
- Interrupt Levels and Vectors 87
- DMA Burst Count 87
- Special Network Options 87
- Offboard CRB host address 88
- MAC Control/Status 89
- Transfer size 92
- MAC status/control 92
- MAC returned information 96
- Change Default Node Address 97
- Transmit 99
- Transmit -- In-Line Gathers 100
- Number of Elements 101
- Total transfer count 101
- Element transfer count 101
- Buffer address 101
- Receive 102
- Command Options 103
- Buffer Address 103
- Packet Type / Length Field 103
- Command Code 103
- Source Address 104
- Report Network Statistics 107
- Return Status 108
- Host Memory Buffer Address 108
- Max Transfer Size 108
- Timer Interval 108
- Network Statistics Block 109
- APPENDIX A 111
- SPECIFICATIONS 111
- Mechanical (Nominal) 112
- Operating Environment 112
- Reliability 112
- APPENDIX B 113
- CONNECTOR PINOUTS AND CABLING 113
- VMEbus Connectors 114
- 10BaseT Connector Signals 116
- AUI Connector Signals 117
- RS232 Connector and Cable 118
- APPENDIX C 119
- ERROR CODES 119
- Appendix B 120
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