/alps/pcitool

#ifndef _PCIDRIVER_KMEM_H

#define _PCIDRIVER_KMEM_H

#include <linux/sysfs.h>

#include "pcilib/kmem.h"

#include "ioctl.h"

/* Define an entry in the kmem list (this list is per device) */

/* This list keeps references to the allocated kernel buffers */

typedef struct {

    int id;

    enum dma_data_direction direction;

    struct list_head list;

    dma_addr_t dma_handle;

    unsigned long cpua;

    unsigned long size;

    unsigned long type;

    unsigned long align;

    unsigned long use;

    unsigned long item;

    spinlock_t lock;

    unsigned long mode;

    unsigned long refs;

    struct device_attribute sysfs_attr;	/* initialized when adding the entry */

} pcidriver_kmem_entry_t;

int pcidriver_kmem_alloc( pcidriver_privdata_t *privdata, kmem_handle_t *kmem_handle );

int pcidriver_kmem_free(  pcidriver_privdata_t *privdata, kmem_handle_t *kmem_handle );

int pcidriver_kmem_sync_entry( pcidriver_privdata_t *privdata, pcidriver_kmem_entry_t *kmem_entry, int direction );

int pcidriver_kmem_sync(  pcidriver_privdata_t *privdata, kmem_sync_t *kmem_sync );

int pcidriver_kmem_free_all(  pcidriver_privdata_t *privdata );

pcidriver_kmem_entry_t *pcidriver_kmem_find_entry( pcidriver_privdata_t *privdata, kmem_handle_t *kmem_handle );

pcidriver_kmem_entry_t *pcidriver_kmem_find_entry_id( pcidriver_privdata_t *privdata, int id );

pcidriver_kmem_entry_t *pcidriver_kmem_find_entry_use(pcidriver_privdata_t *privdata, unsigned long use, unsigned long item);

int pcidriver_kmem_free_entry( pcidriver_privdata_t *privdata, pcidriver_kmem_entry_t *kmem_entry );

int pcidriver_mmap_kmem( pcidriver_privdata_t *privdata, struct vm_area_struct *vmap );

#endif /* _PCIDRIVER_KMEM_H */