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Diffstat (limited to 'drivers/mxc/amd-gpu/include/gsl_memmgr.h')
-rw-r--r--drivers/mxc/amd-gpu/include/gsl_memmgr.h122
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
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+++ b/drivers/mxc/amd-gpu/include/gsl_memmgr.h
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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