1 files changed, 90 insertions, 0 deletions
diff --git a/drivers/mxc/amd-gpu/platform/hal/linux/gsl_kmod_cleanup.h b/drivers/mxc/amd-gpu/platform/hal/linux/gsl_kmod_cleanup.h
new file mode 100644
index 000000000000..475ee3be2e50
--- /dev/null
+++ b/drivers/mxc/amd-gpu/platform/hal/linux/gsl_kmod_cleanup.h
@@ -0,0 +1,90 @@
+/* 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_KMOD_CLEANUP_H
+#define __GSL_KMOD_CLEANUP_H
+#include "gsl_types.h"
+
+#include <linux/gfp.h>
+#include <linux/slab.h>
+#include <linux/fs.h>
+#include <linux/list.h>
+
+#if (GSL_CONTEXT_MAX > 127)
+    #error created_contexts_array supports context numbers only 127 or less.
+#endif
+
+static const s8 EMPTY_ENTRY = -1;
+
+/* A structure to make list of allocated memory blocks. List per fd. */
+/* should probably be allocated from slab cache to minimise fragmentation */
+struct gsl_kmod_alloc_list
+{
+    struct list_head node;
+    gsl_memdesc_t allocated_block;
+    u32 allocation_number;
+};
+
+/* A structure to hold abovementioned list of blocks. Contain per fd data. */
+struct gsl_kmod_per_fd_data
+{
+    struct list_head allocated_blocks_head; // list head
+    u32 maximum_number_of_blocks;
+    u32 number_of_allocated_blocks;
+    s8 created_contexts_array[GSL_DEVICE_MAX][GSL_CONTEXT_MAX];
+};
+
+
+/* 
+ * prototypes 
+ */
+
+/* allocated memory block tracking */
+int add_memblock_to_allocated_list(struct file *fd,
+                                   gsl_memdesc_t *allocated_block);
+
+int del_memblock_from_allocated_list(struct file *fd,
+                                     gsl_memdesc_t *freed_block);
+
+int del_all_memblocks_from_allocated_list(struct file *fd);
+
+/* created contexts tracking */
+void init_created_contexts_array(s8 *array);
+
+void add_device_context_to_array(struct file *fd,
+                                 gsl_deviceid_t device_id,
+                                 unsigned int context_id);
+
+void del_device_context_from_array(struct file *fd, 
+                                   gsl_deviceid_t device_id,
+                                   unsigned int context_id);
+
+void del_all_devices_contexts(struct file *fd);
+
+#endif  // __GSL_KMOD_CLEANUP_H
+