127 lines
3.7 KiB
C
127 lines
3.7 KiB
C
/**************************************************************************
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*
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* Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND. USA.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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*
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**************************************************************************/
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#ifndef _XF86MM_H_
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#define _XF86MM_H_
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#include <stddef.h>
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#include "drm.h"
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/*
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* List macros heavily inspired by the Linux kernel
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* list handling. No list looping yet.
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*/
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typedef struct _drmMMListHead
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{
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struct _drmMMListHead *prev;
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struct _drmMMListHead *next;
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} drmMMListHead;
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#define DRMINITLISTHEAD(__item) \
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do{ \
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(__item)->prev = (__item); \
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(__item)->next = (__item); \
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} while (0)
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#define DRMLISTADD(__item, __list) \
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do { \
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(__item)->prev = (__list); \
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(__item)->next = (__list)->next; \
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(__list)->next->prev = (__item); \
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(__list)->next = (__item); \
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} while (0)
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#define DRMLISTADDTAIL(__item, __list) \
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do { \
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(__item)->next = (__list); \
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(__item)->prev = (__list)->prev; \
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(__list)->prev->next = (__item); \
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(__list)->prev = (__item); \
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} while(0)
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#define DRMLISTDEL(__item) \
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do { \
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(__item)->prev->next = (__item)->next; \
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(__item)->next->prev = (__item)->prev; \
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} while(0)
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#define DRMLISTDELINIT(__item) \
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do { \
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(__item)->prev->next = (__item)->next; \
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(__item)->next->prev = (__item)->prev; \
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(__item)->next = (__item); \
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(__item)->prev = (__item); \
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} while(0)
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#define DRMLISTENTRY(__type, __item, __field) \
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((__type *)(((char *) (__item)) - offsetof(__type, __field)))
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typedef struct _drmBO{
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drm_bo_type_t type;
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unsigned handle;
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drm_handle_t mapHandle;
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unsigned flags;
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unsigned mask;
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unsigned mapFlags;
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unsigned long size;
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unsigned long offset;
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unsigned long start;
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void *virtual;
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void *mapVirtual;
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int mapCount;
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drmTTM *ttm;
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} drmBO;
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typedef struct _drmBONode {
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drmMMListHead head;
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drmBO *buf;
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drm_bo_arg_t bo_arg;
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unsigned long arg0;
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unsigned long arg1;
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} drmBONode;
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typedef struct _drmBOList {
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unsigned numTarget;
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unsigned numCurrent;
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unsigned numOnList;
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drmMMListHead list;
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drmMMListHead free;
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} drmBOList;
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extern int drmBOCreate(int fd, drmTTM *ttm, unsigned long start, unsigned long size,
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void *user_buffer, drm_bo_type_t type, unsigned mask,
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unsigned hint, drmBO *buf);
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extern int drmBODestroy(int fd, drmBO *buf);
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extern int drmBOReference(int fd, unsigned handle, drmBO *buf);
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extern int drmBOUnReference(int fd, drmBO *buf);
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#endif
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