Serial ATA 串行协议介绍

TABLE OF CONTENTS

1 Scope ...........................................................................................................................11

2 Goals, objecTIves and migraTIon consideraTIons ...............................................................11

2.1 Goals and objecTIves ..............................................................................................11

2.2 Migration Considerations ........................................................................................12

3 Normative references ....................................................................................................13

3.1 Approved references ..............................................................................................13

3.2 Other references ....................................................................................................13

4 Definitions, abbreviations, and conventions .....................................................................13

4.1 Definitions and abbreviations ..................................................................................13

4.1.1 ATA (AT Attachment)......................................................................................13

4.1.2 ATAPI (AT Attachment Packet Interface) device ...............................................13

4.1.3 backchannel ...................................................................................................14

4.1.4 bit synchronization ..........................................................................................14

4.1.5 byte ...............................................................................................................14

4.1.6 character........................................................................................................14

4.1.7 character alignment ........................................................................................14

4.1.8 character slipping ...........................................................................................14

4.1.9 code violation .................................................................................................14

4.1.10 comma character ............................................................................................14

4.1.11 comma sequence ...........................................................................................14

4.1.12 command aborted...........................................................................................15

4.1.13 command completion......................................................................................15

4.1.14 command packet ............................................................................................15

4.1.15 Control Block registers ....................................................................................15

4.1.16 control character .............................................................................................15

4.1.17 control variable ...............................................................................................15

4.1.18 CRC ..............................................................................................................15

4.1.19 data character ................................................................................................15

4.1.20 device............................................................................................................15

4.1.21 DMA (direct memory access)...........................................................................15

4.1.22 Dword............................................................................................................16

4.1.23 Dword synchronization ....................................................................................16

4.1.24 encoded character ..........................................................................................16

4.1.25 elasticity buffer ...............................................................................................16

4.1.26 First-party DMA access...................................................................................16

4.1.27 First-party DMA mode .....................................................................................16

4.1.28 FIS ................................................................................................................16

4.1.29 Frame Information Structure............................................................................16

4.1.30 frame .............................................................................................................16

4.1.31 interrupt pending.............................................................................................17

4.1.32 legacy device .................................................................................................17

4.1.33 legacy mode...................................................................................................17

4.1.34 legal character ................................................................................................17

4.1.35 LFSR .............................................................................................................17

4.1.36 PIO (programmed input/output) .......................................................................17

4.1.37 primitive .........................................................................................................17

4.1.38 sector.............................................................................................................17

4.1.39 Shadow Register Block registers .....................................................................17

4.1.40 unrecoverable error.........................................................................................17

4.1.41 word ..............................................................................................................17

4.2 Conventions ..........................................................................................................18

4.2.1 Precedence....................................................................................................18

4.2.2 Keywords .......................................................................................................18