Freescale-semiconductor SEC2SWUG Uživatelský manuál stáhnout pdf

This document contains information on a new product. Specifications and information herein

are subject to change without notice.

PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE

Freescale Semiconductor

1Overview

The SEC2 device driver manages the operation of the SEC 2.0

commonly instantiated into PowerQUICC processors. It is a fully

functional component, meant to serve as an example of application

interaction with the SEC2 core.

The driver is coded in ANSI C. In it’s design, an attempt has been

made to write a device driver that is as operating system agnostic

as practical. Where necessary, operating system dependencies are

identified and Section 8, “Porting” addresses them.

Testing has been accomplished on VxWorks 5.5 and LinuxPPC

using kernel version 2.4.27.

Application interfaces to this driver are implemented through the

ioctl() function call. Requests made through this interface can

be broken down into specific components, including

miscellaneous requests and process requests. The miscellaneous

requests are any requests not related to the direct processing of

data by the SEC2 core.

Process requests comprise the majority of the requests and all are

executed using the same

ioctl() access point. Structures needed

to compose these requests are described in detail in Section 3.3.6,

“Process Request Structures.”

Throughout the document, the acronyms CHA (crypto hardware

accelerator) and EU (execution unit) are used interchangeably.

SEC2SWUG

Rev. 0, 02/2005

Contents

1. Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

2. Device Driver Components . . . . . . . . . . . . . . . . . . . . 3

3. User Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

4. Individual Request Type Descriptions . . . . . . . . . . . 14

5. Sample Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

6. Linux Environment . . . . . . . . . . . . . . . . . . . . . . . . . . 39

7. VxWorks Environment . . . . . . . . . . . . . . . . . . . . . . . 40

8. Porting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

SEC 2.0 Reference Device Driver

User’s Guide

1 2 3 4 5 6 ... 43 44

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Strany 1 - User’s Guide

This document contains information on a new product. Specifications and information herein are subject to change without notice.© Freescale Semiconduc

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SEC 2.0 Reference Device Driver User’s Guide, Rev. 010 PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE Freescale SemiconductorUser Interface3.3.5 Miscell

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SEC 2.0 Reference Device Driver User’s Guide, Rev. 0Freescale Semiconductor PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE 11User Interface STATUS_REQ

Strany 4 - 2.1.3 Process Request Routine

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Strany 6 - 3.2 Error Handling

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Strany 7 - 3.3 Global Definitions

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SEC 2.0 Reference Device Driver User’s Guide, Rev. 036 PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE Freescale SemiconductorSample Codeunsigned long i

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Strany 32 - 4.9.5 IPSEC_ESP_REQ

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Strany 36 - 5 Sample Code

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Strany 39 - 6Linux Environment

SEC2SWUGRev. 002/2005PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. Th

Strany 40 - 7 VxWorks Environment

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Strany 41 - 8 Porting

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Strany 42 - 8.3 Interrupt Service Routine

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Strany 43 - 8.6 Distribution Archive

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Strany 44 - How to Reach Us:

SEC 2.0 Reference Device Driver User’s Guide, Rev. 0Freescale Semiconductor PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE 9User InterfaceSEC2_CHA_NOT_A

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