56 lines
1.2 KiB
C
Executable File
56 lines
1.2 KiB
C
Executable File
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/*
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* linux/blkmem.h header file for Linux.
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*
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* Copyright (C) 1998 Kenneth Albanowski <kjahds@kjahds.com>,
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*
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*/
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#ifndef _LINUX_BLKMEM_H
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#define _LINUX_BLKMEM_H
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#include <linux/ioctl.h>
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/*
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* Structures and definitions for mag tape io control commands
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*/
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#define BMSERASE 1 /* erase sector containing address */
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#define BMSGSIZE 2 /* get size of sector */
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#define BMSGERASEVALUE 3 /* get value of bytes in erased sectors */
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#define BMGETSIZES 4 /* get length of device in sectors */
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#define BMGETSIZEB 5 /* get length of device in bytes */
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#define BMPROGRAM 6 /* program entire arena in one go */
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struct blkmem_program_t {
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unsigned long magic1;
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int blocks;
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int reset;
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unsigned long magic2;
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struct {
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unsigned char * data;
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unsigned long pos;
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unsigned long length;
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int magic3;
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}block[0];
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};
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#define BMPROGRAM_MAGIC_1 0x123abc32
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#define BMPROGRAM_MAGIC_2 0x9C00C00F
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#define BMPROGRAM_MAGIC_3 0x56408F26
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#if 0
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#define BMSSAUTOERASE 10 /* set auto-erase bits */
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#endif
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#define DEVICE_NAME "Blkmem"
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#define DEVICE_REQUEST do_blkmem_request
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#define DEVICE_NR(device) (MINOR(device))
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#define DEVICE_ON(device)
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#define DEVICE_OFF(device)
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#endif /* _LINUX_BLKMEM_H */
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