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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/drivers/isdn/hysdn/hysdn_pof.h
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/* $Id: hysdn_pof.h,v 1.2.6.1 2001/09/23 22:24:54 kai Exp $

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 *

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 * Linux driver for HYSDN cards, definitions used for handling pof-files.

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 *

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 * Author    Werner Cornelius ([email protected]) for Hypercope GmbH

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 * Copyright 1999 by Werner Cornelius ([email protected])

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 *

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 * This software may be used and distributed according to the terms

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 * of the GNU General Public License, incorporated herein by reference.

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 *

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 */

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/************************/

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/* POF specific defines */

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/************************/

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#define BOOT_BUF_SIZE   0x1000	/* =4096, maybe moved to other h file */

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#define CRYPT_FEEDTERM  0x8142

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#define CRYPT_STARTTERM 0x81a5

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				    /*  max. timeout time in seconds

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				     *  from end of booting to POF is ready

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				     */

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#define POF_READY_TIME_OUT_SEC  10

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/**********************************/

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/* defines for 1.stage boot image */

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/**********************************/

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/*  the POF file record containing the boot loader image

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 *  has 2 pages a 16KB:

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 *  1. page contains the high 16-bit part of the 32-bit E1 words

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 *  2. page contains the low  16-bit part of the 32-bit E1 words

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 *

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 *  In each 16KB page we assume the start of the boot loader code

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 *  in the highest 2KB part (at offset 0x3800);

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 *  the rest (0x0000..0x37FF) is assumed to contain 0 bytes.

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 */

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#define POF_BOOT_LOADER_PAGE_SIZE   0x4000	/* =16384U */

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#define POF_BOOT_LOADER_TOTAL_SIZE  (2U*POF_BOOT_LOADER_PAGE_SIZE)

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#define POF_BOOT_LOADER_CODE_SIZE   0x0800	/* =2KB =2048U */

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		    /* offset in boot page, where loader code may start */

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					    /* =0x3800= 14336U */

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#define POF_BOOT_LOADER_OFF_IN_PAGE (POF_BOOT_LOADER_PAGE_SIZE-POF_BOOT_LOADER_CODE_SIZE)

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/*--------------------------------------POF file record structs------------*/

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typedef struct PofFileHdr_tag {	/* Pof file header */

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/*00 */ unsigned long Magic __attribute__((packed));

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/*04 */ unsigned long N_PofRecs __attribute__((packed));

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/*08 */

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} tPofFileHdr;

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typedef struct PofRecHdr_tag {	/* Pof record header */

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/*00 */ unsigned short PofRecId __attribute__((packed));

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/*02 */ unsigned long PofRecDataLen __attribute__((packed));

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/*06 */

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} tPofRecHdr;

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typedef struct PofTimeStamp_tag {

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/*00 */ unsigned long UnixTime __attribute__((packed));

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	/*04 */ unsigned char DateTimeText[0x28];

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	/* =40 */

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/*2C */

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} tPofTimeStamp;

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				    /* tPofFileHdr.Magic value: */

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#define TAGFILEMAGIC 0x464F501AUL

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				    /* tPofRecHdr.PofRecId values: */

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#define TAG_ABSDATA  0x1000	/* abs. data */

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#define TAG_BOOTDTA  0x1001	/* boot data */

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#define TAG_COMMENT  0x0020

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#define TAG_SYSCALL  0x0021

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#define TAG_FLOWCTRL 0x0022

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#define TAG_TIMESTMP 0x0010	/* date/time stamp of version */

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#define TAG_CABSDATA 0x1100	/* crypted abs. data */

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#define TAG_CBOOTDTA 0x1101	/* crypted boot data */

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