dmm.c File Reference

#include <linux/types.h>
#include <dspbridge/host_os.h>
#include <dspbridge/dbdefs.h>
#include <dspbridge/sync.h>
#include <dspbridge/dev.h>
#include <dspbridge/proc.h>
#include <dspbridge/dmm.h>

Go to the source code of this file.

Data Structures
struct	dmm_object
struct	map_page

Macros
#define	DMM_ADDR_VIRTUAL(a)
#define	DMM_ADDR_TO_INDEX(a)   (((a) - dyn_mem_map_beg) / PG_SIZE4K)

Functions
int	dmm_create_tables (struct dmm_object *dmm_mgr, u32 addr, u32 size)
int	dmm_create (struct dmm_object **dmm_manager, struct dev_object *hdev_obj, const struct dmm_mgrattrs *mgr_attrts)
int	dmm_destroy (struct dmm_object *dmm_mgr)
int	dmm_delete_tables (struct dmm_object *dmm_mgr)
int	dmm_get_handle (void *hprocessor, struct dmm_object **dmm_manager)
int	dmm_map_memory (struct dmm_object *dmm_mgr, u32 addr, u32 size)
int	dmm_reserve_memory (struct dmm_object *dmm_mgr, u32 size, u32 *prsv_addr)
int	dmm_un_map_memory (struct dmm_object *dmm_mgr, u32 addr, u32 *psize)
int	dmm_un_reserve_memory (struct dmm_object *dmm_mgr, u32 rsv_addr)

Macro Definition Documentation

#define DMM_ADDR_TO_INDEX

(

a

)

(((a) - dyn_mem_map_beg) / PG_SIZE4K)

Definition at line 45 of file dmm.c.

#define DMM_ADDR_VIRTUAL

(

a

)

Value:

(((struct map_page *)(a) - virtual_mapping_table) * PG_SIZE4K +\
    dyn_mem_map_beg)

Definition at line 42 of file dmm.c.

Function Documentation

int dmm_create	(	struct dmm_object **	dmm_manager,
		struct dev_object *	hdev_obj,
		const struct dmm_mgrattrs *	mgr_attrts
	)

Definition at line 115 of file dmm.c.

int dmm_create_tables	(	struct dmm_object *	dmm_mgr,
		u32	addr,
		u32	size
	)

Definition at line 80 of file dmm.c.

int dmm_delete_tables

(

struct dmm_object *

dmm_mgr

)

Definition at line 160 of file dmm.c.

int dmm_destroy

(

struct dmm_object *

dmm_mgr

)

Definition at line 140 of file dmm.c.

int dmm_get_handle	(	void *	hprocessor,
		struct dmm_object **	dmm_manager
	)

Definition at line 178 of file dmm.c.

int dmm_map_memory	(	struct dmm_object *	dmm_mgr,
		u32	addr,
		u32	size
	)

Definition at line 202 of file dmm.c.

int dmm_reserve_memory	(	struct dmm_object *	dmm_mgr,
		u32	size,
		u32 *	prsv_addr
	)

Definition at line 231 of file dmm.c.

int dmm_un_map_memory	(	struct dmm_object *	dmm_mgr,
		u32	addr,
		u32 *	psize
	)

Definition at line 283 of file dmm.c.

int dmm_un_reserve_memory	(	struct dmm_object *	dmm_mgr,
		u32	rsv_addr
	)

Definition at line 313 of file dmm.c.