Changeset fd6bd6d in mainline for uspace/lib/c/include/ddi.h


Ignore:
Timestamp:
2011-12-14T17:09:25Z (13 years ago)
Author:
Martin Decky <martin@…>
Branches:
lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
Children:
9916841
Parents:
b402dadd
Message:

add stubs for DMA memory management functions (not working yet)

File:
1 edited

Legend:

Unmodified
Added
Removed

  • uspace/lib/c/include/ddi.h

    rb402dadd rfd6bd6d  
    4040#include <task.h>
    4141
     42typedef struct {
     43        /** Physical memory */
     44        void *phys;
     45       
     46        /** Virtual memory */
     47        void *virt;
     48       
     49        /** Size in pages */
     50        size_t size;
     51       
     52        /** Mapping flags */
     53        unsigned int flags;
     54} dmamem_t;
     55
    4256extern int device_assign_devno(void);
    4357extern int physmem_map(void *, void *, size_t, unsigned int);
     58extern int dmamem_map(dmamem_t *, size_t, unsigned int, unsigned int);
     59extern int dmamem_unmap(dmamem_t *);
     60extern int dmamem_lock(void *, void **, size_t);
     61extern int dmamem_unlock(void *, size_t);
    4462extern int iospace_enable(task_id_t, void *, unsigned long);
    4563extern int pio_enable(void *, size_t, void **);
Note: See TracChangeset for help on using the changeset viewer.