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#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 */
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