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/**************************************************************************
*
* Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND. USA.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
*
**************************************************************************/
#ifndef _XF86MM_H_
#define _XF86MM_H_
#include <stddef.h>
#include "drm.h"
/*
* List macros heavily inspired by the Linux kernel
* list handling. No list looping yet.
*/
typedef struct _drmMMListHead
{
struct _drmMMListHead *prev;
struct _drmMMListHead *next;
} drmMMListHead;
#define DRMINITLISTHEAD(__item) \
do{ \
(__item)->prev = (__item); \
(__item)->next = (__item); \
} while (0)
#define DRMLISTADD(__item, __list) \
do { \
(__item)->prev = (__list); \
(__item)->next = (__list)->next; \
(__list)->next->prev = (__item); \
(__list)->next = (__item); \
} while (0)
#define DRMLISTADDTAIL(__item, __list) \
do { \
(__item)->next = (__list); \
(__item)->prev = (__list)->prev; \
(__list)->prev->next = (__item); \
(__list)->prev = (__item); \
} while(0)
#define DRMLISTDEL(__item) \
do { \
(__item)->prev->next = (__item)->next; \
(__item)->next->prev = (__item)->prev; \
} while(0)
#define DRMLISTDELINIT(__item) \
do { \
(__item)->prev->next = (__item)->next; \
(__item)->next->prev = (__item)->prev; \
(__item)->next = (__item); \
(__item)->prev = (__item); \
} while(0)
#define DRMLISTENTRY(__type, __item, __field) \
((__type *)(((char *) (__item)) - offsetof(__type, __field)))
typedef struct _drmBO{
drm_bo_type_t type;
unsigned handle;
drm_handle_t mapHandle;
unsigned flags;
unsigned mask;
unsigned mapFlags;
unsigned long size;
unsigned long offset;
unsigned long start;
void *virtual;
void *mapVirtual;
int mapCount;
drmTTM *ttm;
} drmBO;
typedef struct _drmBONode {
drmMMListHead head;
drmBO *buf;
drm_bo_arg_t bo_arg;
} drmBONode;
typedef struct _drmBOList {
unsigned numTarget;
unsigned numCurrent;
unsigned numOnList;
drmMMListHead list;
drmMMListHead free;
} drmBOList;
extern int drmBOCreate(int fd, drmTTM *ttm, unsigned long start, unsigned long size,
void *user_buffer, drm_bo_type_t type, unsigned mask,
unsigned hint, drmBO *buf);
extern int drmBODestroy(int fd, drmBO *buf);
extern int drmBOReference(int fd, unsigned handle, drmBO *buf);
extern int drmBOUnReference(int fd, drmBO *buf);
#endif
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