| /************************************************************************** |
| * |
| * 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 |