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/**************************************************************************
*
* 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,
int share, int pin)
{
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));
return &mBuf->buf;
}
static void
pool_destroy(struct _WsbmBufStorage **buf)
{
free(mallocBuf(*buf));
*buf = NULL;
}
static int
pool_waitIdle(struct _WsbmBufStorage *buf, int lazy)
{
return 0;
}
static int
pool_map(struct _WsbmBufStorage *buf, unsigned mode, void **virtual)
{
*virtual = mallocBuf(buf)->mem;
return 0;
}
static void
pool_unmap(struct _WsbmBufStorage *buf)
{
;
}
static int
pool_syncforcpu(struct _WsbmBufStorage *buf, unsigned mode, int noBlock)
{
return 0;
}
static void
pool_releasefromcpu(struct _WsbmBufStorage *buf, unsigned mode)
{
;
}
static unsigned long
pool_offset(struct _WsbmBufStorage *buf)
{
/*
* BUG
*/
abort();
return 0UL;
}
static unsigned long
pool_poolOffset(struct _WsbmBufStorage *buf)
{
/*
* BUG
*/
abort();
}
static uint32_t
pool_placement(struct _WsbmBufStorage *buf)
{
return 0;
}
static unsigned long
pool_size(struct _WsbmBufStorage *buf)
{
return mallocBuf(buf)->size;
}
static void
pool_fence(struct _WsbmBufStorage *buf, struct _WsbmFenceObject *fence)
{
abort();
}
static struct _WsbmKernelBuf *
pool_kernel(struct _WsbmBufStorage *buf)
{
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;
}
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