From 4f57abfe66091281c9f59c14e6ea27b524b55d5b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Kristian=20H=C3=B8gsberg?= Date: Tue, 17 Nov 2009 11:14:54 -0500 Subject: Move libdrm/ up one level --- xf86mm.h | 198 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 198 insertions(+) create mode 100644 xf86mm.h (limited to 'xf86mm.h') diff --git a/xf86mm.h b/xf86mm.h new file mode 100644 index 00000000..a31de424 --- /dev/null +++ b/xf86mm.h @@ -0,0 +1,198 @@ +/************************************************************************** + * + * 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 +#include +#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 -- cgit v1.2.3