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The Linux SCSI programming HOWTO

Heiko Eißfeldt heiko@colossus.escape.de

v1.5, 7 May 1996

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This document deals with programming the Linux generic SCSI interface.

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Archived Document Notice: This document has been archived by the LDP because it does not apply to modern Linux systems. It is no longer being actively maintained.

1. What's New?

2. Introduction

3. What Is The Generic SCSI Interface?

4. What Are The Requirements To Use It?

• 4.1 Kernel Configuration
• 4.2 Device Files
• 4.3 Device Mapping

5. Programmers Guide

6. Overview Of Device Programming

7. Opening The Device

8. The Header Structure

9. Inquiry Command Example

10. The Sense Buffer

11. Example Using Sense Buffer

12. Ioctl Functions

13. Driver Defaults

• 13.1 Transfer Lengths
• 13.2 Timeout And Retry Values

14. Obtaining The Scsi Specifications

15. Related Information Sources

• 15.1 HOWTOs and FAQs
• 15.2 Mailing list
• 15.3 Example code

16. Other useful stuff

• 16.1 Device driver writer helpers
• 16.2 Utilities

17. Other SCSI Access Interfaces

18. Final Comments

19. Acknowledgments

Appendix

20. Appendix

21. Error handling

• 21.1 Error status decoding
• 21.2 Status codes
• 21.3 SCSI Sense Keys
• 21.4 Host codes
• 21.5 Driver codes

22. Additional sense codes and additional sense code qualifiers

• 22.1 ASC and ASCQ in lexical order
• 22.2 ASC and ASCQ in numerical order

23. A SCSI command code quick reference

24. Example programs

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