| /************************************************************************** |
| * |
| * Copyright 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> |
| */ |
| |
| #ifdef HAVE_CONFIG_H |
| #include "config.h" |
| #endif |
| |
| #include <stdlib.h> |
| #include <errno.h> |
| #include "wsbm_pool.h" |
| #include "wsbm_manager.h" |
| |
| struct _WsbmMallocBuffer |
| { |
| struct _WsbmBufStorage buf; |
| size_t size; |
| void *mem; |
| }; |
| |
| static inline struct _WsbmMallocBuffer * |
| mallocBuf(struct _WsbmBufStorage *buf) |
| { |
| return containerOf(buf, struct _WsbmMallocBuffer, buf); |
| } |
| |
| static struct _WsbmBufStorage * |
| pool_create(struct _WsbmBufferPool *pool, |
| unsigned long size, uint32_t placement, unsigned alignment __attribute__ ((unused))) |
| { |
| struct _WsbmMallocBuffer *mBuf = malloc(size + sizeof(*mBuf) + 16); |
| |
| if (!mBuf) |
| return NULL; |
| |
| wsbmBufStorageInit(&mBuf->buf, pool); |
| mBuf->size = size; |
| mBuf->mem = (void *)((unsigned long)mBuf + sizeof(*mBuf)); |
| if ((placement & WSBM_PL_MASK_MEM) != WSBM_PL_FLAG_SYSTEM) |
| abort(); |
| |
| return &mBuf->buf; |
| } |
| |
| static void |
| pool_destroy(struct _WsbmBufStorage **buf) |
| { |
| free(mallocBuf(*buf)); |
| *buf = NULL; |
| } |
| |
| static int |
| pool_waitIdle(struct _WsbmBufStorage *buf __attribute__ ((unused)), int lazy __attribute__ ((unused))) |
| { |
| return 0; |
| } |
| |
| static int |
| pool_map(struct _WsbmBufStorage *buf, unsigned mode __attribute__ ((unused)), void **virtual __attribute__ ((unused))) |
| { |
| *virtual = mallocBuf(buf)->mem; |
| return 0; |
| } |
| |
| static void |
| pool_unmap(struct _WsbmBufStorage *buf __attribute__ ((unused))) |
| { |
| ; |
| } |
| |
| static int |
| pool_syncforcpu(struct _WsbmBufStorage *buf __attribute__ ((unused)), unsigned mode __attribute__ ((unused))) |
| { |
| return 0; |
| } |
| |
| static void |
| pool_releasefromcpu(struct _WsbmBufStorage *buf __attribute__ ((unused)), unsigned mode __attribute__ ((unused))) |
| { |
| ; |
| } |
| |
| static unsigned long |
| pool_offset(struct _WsbmBufStorage *buf __attribute__ ((unused))) |
| { |
| /* |
| * BUG |
| */ |
| abort(); |
| return 0UL; |
| } |
| |
| static unsigned long |
| pool_poolOffset(struct _WsbmBufStorage *buf __attribute__ ((unused))) |
| { |
| /* |
| * BUG |
| */ |
| abort(); |
| } |
| |
| static uint32_t |
| pool_placement(struct _WsbmBufStorage *buf __attribute__ ((unused))) |
| { |
| return WSBM_PL_FLAG_SYSTEM | WSBM_PL_FLAG_CACHED; |
| } |
| |
| static unsigned long |
| pool_size(struct _WsbmBufStorage *buf) |
| { |
| return mallocBuf(buf)->size; |
| } |
| |
| static void |
| pool_fence(struct _WsbmBufStorage *buf __attribute__ ((unused)), struct _WsbmFenceObject *fence __attribute__ ((unused))) |
| { |
| abort(); |
| } |
| |
| static struct _WsbmKernelBuf * |
| pool_kernel(struct _WsbmBufStorage *buf __attribute__ ((unused))) |
| { |
| abort(); |
| return NULL; |
| } |
| |
| static void |
| pool_takedown(struct _WsbmBufferPool *pool) |
| { |
| free(pool); |
| } |
| |
| struct _WsbmBufferPool * |
| wsbmMallocPoolInit(void) |
| { |
| struct _WsbmBufferPool *pool; |
| |
| pool = (struct _WsbmBufferPool *)calloc(1, sizeof(*pool)); |
| if (!pool) |
| return NULL; |
| |
| pool->fd = -1; |
| pool->map = &pool_map; |
| pool->unmap = &pool_unmap; |
| pool->syncforcpu = &pool_syncforcpu; |
| pool->releasefromcpu = &pool_releasefromcpu; |
| pool->destroy = &pool_destroy; |
| pool->offset = &pool_offset; |
| pool->poolOffset = &pool_poolOffset; |
| pool->placement = &pool_placement; |
| pool->size = &pool_size; |
| pool->create = &pool_create; |
| pool->fence = &pool_fence; |
| pool->kernel = &pool_kernel; |
| pool->validate = NULL; |
| pool->waitIdle = &pool_waitIdle; |
| pool->takeDown = &pool_takedown; |
| return pool; |
| } |