diff options
Diffstat (limited to 'drivers/mxc/amd-gpu/include/gsl_memmgr.h')
| -rw-r--r-- | drivers/mxc/amd-gpu/include/gsl_memmgr.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/drivers/mxc/amd-gpu/include/gsl_memmgr.h b/drivers/mxc/amd-gpu/include/gsl_memmgr.h new file mode 100644 index 00000000000..ef9ad93ea96 --- /dev/null +++ b/drivers/mxc/amd-gpu/include/gsl_memmgr.h @@ -0,0 +1,122 @@ +/* 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 |