27 lines
971 B
C
27 lines
971 B
C
/*
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dmap.h
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*/
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/*===========================================================================*
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* Device <-> Driver Table *
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*===========================================================================*/
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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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#define DMAP_BABY 0x04 /* driver exec() not done yet */
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extern struct dmap {
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int _PROTOTYPE ((*dmap_opcl), (int, Dev_t, int, int) );
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int _PROTOTYPE ((*dmap_io), (int, message *) );
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endpoint_t dmap_driver;
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int dmap_flags;
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char dmap_label[16];
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int dmap_async_driver;
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struct filp *dmap_sel_filp;
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} dmap[];
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