+++ /dev/null
-/**************************************************************************
- *
- * 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 <stdint.h>
-#include "drm.h"
-
-/*
- * Note on multithreaded applications using this interface.
- * Libdrm is not threadsafe, so common buffer, TTM, and fence objects need to
- * be protected using an external mutex.
- *
- * Note: Don't protect the following functions, as it may lead to deadlocks:
- * drmBOUnmap().
- * The kernel is synchronizing and refcounting buffer maps.
- * User space only needs to refcount object usage within the same application.
- */
-
-
-/*
- * 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)))
-
-#define DRMLISTEMPTY(__item) ((__item)->next == (__item))
-
-#define DRMLISTFOREACHSAFE(__item, __temp, __list) \
- for ((__item) = (__list)->next, (__temp) = (__item)->next; \
- (__item) != (__list); \
- (__item) = (__temp), (__temp) = (__item)->next)
-
-#define DRMLISTFOREACHSAFEREVERSE(__item, __temp, __list) \
- for ((__item) = (__list)->prev, (__temp) = (__item)->prev; \
- (__item) != (__list); \
- (__item) = (__temp), (__temp) = (__item)->prev)
-
-typedef struct _drmFence
-{
- unsigned handle;
- int fence_class;
- unsigned type;
- unsigned flags;
- unsigned signaled;
- uint32_t sequence;
- unsigned pad[4]; /* for future expansion */
-} drmFence;
-
-typedef struct _drmBO
-{
- unsigned handle;
- uint64_t mapHandle;
- uint64_t flags;
- uint64_t proposedFlags;
- unsigned mapFlags;
- unsigned long size;
- unsigned long offset;
- unsigned long start;
- unsigned replyFlags;
- unsigned fenceFlags;
- unsigned pageAlignment;
- unsigned tileInfo;
- unsigned hwTileStride;
- unsigned desiredTileStride;
- void *virtual;
- void *mapVirtual;
- int mapCount;
- unsigned pad[8]; /* for future expansion */
-} drmBO;
-
-/*
- * Fence functions.
- */
-
-extern int drmFenceCreate(int fd, unsigned flags, int fence_class,
- unsigned type, drmFence *fence);
-extern int drmFenceReference(int fd, unsigned handle, drmFence *fence);
-extern int drmFenceUnreference(int fd, const drmFence *fence);
-extern int drmFenceFlush(int fd, drmFence *fence, unsigned flush_type);
-extern int drmFenceSignaled(int fd, drmFence *fence,
- unsigned fenceType, int *signaled);
-extern int drmFenceWait(int fd, unsigned flags, drmFence *fence,
- unsigned flush_type);
-extern int drmFenceEmit(int fd, unsigned flags, drmFence *fence,
- unsigned emit_type);
-extern int drmFenceBuffers(int fd, unsigned flags, uint32_t fence_class, drmFence *fence);
-
-
-/*
- * Buffer object functions.
- */
-
-extern int drmBOCreate(int fd, unsigned long size,
- unsigned pageAlignment, void *user_buffer,
- uint64_t mask, unsigned hint, drmBO *buf);
-extern int drmBOReference(int fd, unsigned handle, drmBO *buf);
-extern int drmBOUnreference(int fd, drmBO *buf);
-extern int drmBOMap(int fd, drmBO *buf, unsigned mapFlags, unsigned mapHint,
- void **address);
-extern int drmBOUnmap(int fd, drmBO *buf);
-extern int drmBOFence(int fd, drmBO *buf, unsigned flags, unsigned fenceHandle);
-extern int drmBOInfo(int fd, drmBO *buf);
-extern int drmBOBusy(int fd, drmBO *buf, int *busy);
-
-extern int drmBOWaitIdle(int fd, drmBO *buf, unsigned hint);
-
-/*
- * Initialization functions.
- */
-
-extern int drmMMInit(int fd, unsigned long pOffset, unsigned long pSize,
- unsigned memType);
-extern int drmMMTakedown(int fd, unsigned memType);
-extern int drmMMLock(int fd, unsigned memType, int lockBM, int ignoreNoEvict);
-extern int drmMMUnlock(int fd, unsigned memType, int unlockBM);
-extern int drmMMInfo(int fd, unsigned memType, uint64_t *size);
-extern int drmBOSetStatus(int fd, drmBO *buf,
- uint64_t flags, uint64_t mask,
- unsigned int hint,
- unsigned int desired_tile_stride,
- unsigned int tile_info);
-extern int drmBOVersion(int fd, unsigned int *major,
- unsigned int *minor,
- unsigned int *patchlevel);
-
-
-#endif
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