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/* Copyright (c) 2008-2010, Advanced Micro Devices. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Advanced Micro Devices nor
* the names of its contributors may be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef __GSL_MEMMGR_H
#define __GSL_MEMMGR_H
//////////////////////////////////////////////////////////////////////////////
// defines
//////////////////////////////////////////////////////////////////////////////
#define GSL_MEMARENA_NODE_POOL_MAX 32 // max is 32
#define GSL_MEMARENA_PAGE_DIST_MAX 12 // 4MB
//#define GSL_MEMARENA_NODE_POOL_ENABLED
//////////////////////////////////////////////////////////////////////////////
// types
//////////////////////////////////////////////////////////////////////////////
// ------------------
// memory arena stats
// ------------------
typedef struct _gsl_memarena_stats_t {
__int64 bytes_read;
__int64 bytes_written;
__int64 allocs_success;
__int64 allocs_fail;
__int64 frees;
__int64 allocs_pagedistribution[GSL_MEMARENA_PAGE_DIST_MAX]; // 0=0--(4K-1), 1=4--(8K-1), 2=8--(16K-1),... max-1=(GSL_PAGESIZE<<(max-1))--infinity
__int64 frees_pagedistribution[GSL_MEMARENA_PAGE_DIST_MAX];
} gsl_memarena_stats_t;
// ------------
// memory block
// ------------
typedef struct _memblk_t {
unsigned int blkaddr;
unsigned int blksize;
struct _memblk_t *next;
struct _memblk_t *prev;
int nodepoolindex;
} memblk_t;
// ----------------------
// memory block free list
// ----------------------
typedef struct _gsl_freelist_t {
memblk_t *head;
memblk_t *allocrover;
memblk_t *freerover;
} gsl_freelist_t;
// ----------------------
// memory block node pool
// ----------------------
typedef struct _gsl_nodepool_t {
unsigned int priv;
memblk_t memblk[GSL_MEMARENA_NODE_POOL_MAX];
struct _gsl_nodepool_t *next;
struct _gsl_nodepool_t *prev;
} gsl_nodepool_t;
// -------------------
// memory arena object
// -------------------
typedef struct _gsl_memarena_t {
oshandle_t mutex;
unsigned int gpubaseaddr;
unsigned int hostbaseaddr;
unsigned int sizebytes;
gsl_nodepool_t *nodepool;
gsl_freelist_t freelist;
unsigned int priv;
#ifdef GSL_STATS_MEM
gsl_memarena_stats_t stats;
#endif // GSL_STATS_MEM
} gsl_memarena_t;
//////////////////////////////////////////////////////////////////////////////
// prototypes
//////////////////////////////////////////////////////////////////////////////
gsl_memarena_t* kgsl_memarena_create(int aperture_id, int mmu_virtualized, unsigned int hostbaseaddr, gpuaddr_t gpubaseaddr, int sizebytes);
int kgsl_memarena_destroy(gsl_memarena_t *memarena);
int kgsl_memarena_isvirtualized(gsl_memarena_t *memarena);
int kgsl_memarena_querystats(gsl_memarena_t *memarena, gsl_memarena_stats_t *stats);
int kgsl_memarena_alloc(gsl_memarena_t *memarena, gsl_flags_t flags, int size, gsl_memdesc_t *memdesc);
void kgsl_memarena_free(gsl_memarena_t *memarena, gsl_memdesc_t *memdesc);
void* kgsl_memarena_gethostptr(gsl_memarena_t *memarena, gpuaddr_t gpuaddr);
unsigned int kgsl_memarena_getgpuaddr(gsl_memarena_t *memarena, void *hostptr);
unsigned int kgsl_memarena_getlargestfreeblock(gsl_memarena_t *memarena, gsl_flags_t flags);
#endif // __GSL_MEMMGR_H
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