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Diffstat (limited to 'src/wsbm_pool.h')
| -rw-r--r-- | src/wsbm_pool.h | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/src/wsbm_pool.h b/src/wsbm_pool.h new file mode 100644 index 0000000..1d07523 --- /dev/null +++ b/src/wsbm_pool.h @@ -0,0 +1,161 @@ +/************************************************************************** + * + * Copyright 2006-2008 Tungsten Graphics, Inc., Cedar Park, TX., USA + * All Rights Reserved. + * Copyright 2009 VMware, Inc., Palo Alto, CA., 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 above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * 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. + * + **************************************************************************/ +/* + * Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com> + */ + +#ifndef _WSBM_BUFPOOL_H_ +#define _WSBM_BUFPOOL_H_ + +#include <errno.h> +#include "wsbm_util.h" +#include "wsbm_driver.h" +#include "wsbm_atomic.h" + +struct _WsbmFenceObject; + +struct _WsbmBufStorage +{ + struct _WsbmBufferPool *pool; + struct _WsbmMutex mutex; + struct _WsbmAtomic refCount; + struct _WsbmAtomic onList; + void *destroyArg; + void (*destroyContainer) (void *); +}; + +struct _WsbmKernelBuf; + +struct _WsbmBufferPool +{ + int fd; + int (*map) (struct _WsbmBufStorage * buf, unsigned mode, void **virtual); + void (*unmap) (struct _WsbmBufStorage * buf); + int (*syncforcpu) (struct _WsbmBufStorage * buf, unsigned mode); + void (*releasefromcpu) (struct _WsbmBufStorage * buf, unsigned mode); + void (*destroy) (struct _WsbmBufStorage ** buf); + unsigned long (*offset) (struct _WsbmBufStorage * buf); + unsigned long (*poolOffset) (struct _WsbmBufStorage * buf); + uint32_t(*placement) (struct _WsbmBufStorage * buf); + unsigned long (*size) (struct _WsbmBufStorage * buf); + struct _WsbmKernelBuf *(*kernel) (struct _WsbmBufStorage * buf); + struct _WsbmBufStorage *(*create) (struct _WsbmBufferPool * pool, + unsigned long size, + uint32_t placement, + unsigned alignment); + struct _WsbmBufStorage *(*createByReference) (struct _WsbmBufferPool * + pool, uint32_t handle); + void (*fence) (struct _WsbmBufStorage * buf, + struct _WsbmFenceObject * fence); + void (*unvalidate) (struct _WsbmBufStorage * buf); + int (*validate) (struct _WsbmBufStorage * buf, uint64_t set_flags, + uint64_t clr_flags); + int (*waitIdle) (struct _WsbmBufStorage * buf, int lazy); + int (*setStatus) (struct _WsbmBufStorage * buf, + uint32_t set_placement, uint32_t clr_placement); + void (*takeDown) (struct _WsbmBufferPool * pool); +}; + +static inline int +wsbmBufStorageInit(struct _WsbmBufStorage *storage, + struct _WsbmBufferPool *pool) +{ + int ret = WSBM_MUTEX_INIT(&storage->mutex); + + if (ret) + return -ENOMEM; + storage->pool = pool; + wsbmAtomicSet(&storage->refCount, 1); + wsbmAtomicSet(&storage->onList, 0); + storage->destroyContainer = NULL; + return 0; +} + +static inline void +wsbmBufStorageTakedown(struct _WsbmBufStorage *storage) +{ + WSBM_MUTEX_FREE(&storage->mutex); +} + +static inline void +wsbmBufStorageUnref(struct _WsbmBufStorage **pStorage) +{ + struct _WsbmBufStorage *storage = *pStorage; + + *pStorage = NULL; + if (storage == NULL) + return; + + if (wsbmAtomicDecZero(&storage->refCount)) { + if (storage->destroyContainer) + storage->destroyContainer(storage->destroyArg); + storage->pool->destroy(&storage); + return; + } +} + +/* + * Builtin pools. + */ + +/* + * Kernel buffer objects. Size in multiples of page size. Page size aligned. + */ + +extern struct _WsbmBufferPool *wsbmTTMPoolInit(int fd, + unsigned int devOffset); +extern struct _WsbmBufferPool *wsbmMallocPoolInit(void); + +struct _WsbmSlabCache; +extern struct _WsbmBufferPool *wsbmSlabPoolInit(int fd, uint32_t devOffset, + uint32_t placement, + uint32_t validMask, + uint32_t smallestSize, + uint32_t numSizes, + uint32_t desiredNumBuffers, + uint32_t maxSlabSize, + uint32_t pageAlignment, + struct _WsbmSlabCache *cache); +extern struct _WsbmSlabCache *wsbmSlabCacheInit(uint32_t checkIntervalMsec, + uint32_t slabTimeoutMsec); +extern void wsbmSlabCacheFinish(struct _WsbmSlabCache *cache); + +extern struct _WsbmBufferPool *wsbmUserPoolInit(void *vramAddr, + unsigned long vramStart, + unsigned long vramSize, + void *agpAddr, + unsigned long agpStart, + unsigned long agpSize, + uint32_t(*fenceTypes) + (uint64_t set_flags)); + +extern void wsbmUserPoolClean(struct _WsbmBufferPool *pool, + int cleanVram, int cleanAgp); + +#endif |