26 lines
775 B
C
26 lines
775 B
C
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#ifndef _DMAP_H
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#define _DMAP_H
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#include <minix/config.h>
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#include <minix/ipc.h>
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/* Device table. This table is indexed by major device number. It provides
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* the link between major device numbers and the routines that process them.
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* The table can be update dynamically. The field 'dmap_flags' describe an
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* entry's current status and determines what control options are possible.
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*/
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#define DMAP_MUTABLE 0x01 /* mapping can be overtaken */
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#define DMAP_BUSY 0x02 /* driver busy with request */
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enum dev_style { STYLE_DEV, STYLE_NDEV, STYLE_TTY, STYLE_CLONE };
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extern struct dmap {
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int _PROTOTYPE ((*dmap_opcl), (int, Dev_t, int, int) );
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void _PROTOTYPE ((*dmap_io), (int, message *) );
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int dmap_driver;
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int dmap_flags;
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} dmap[];
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#endif /* _DMAP_H */
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