linux/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c

/*
 * Copyright 2015 Advanced Micro Devices, Inc.
 * 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 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.
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
 * of the Software.
 *
 */
/*
 * Authors:
 *    Christian König <[email protected]>
 */

#include <linux/sort.h>
#include <linux/uaccess.h>

#include "amdgpu.h"
#include "amdgpu_trace.h"

#define AMDGPU_BO_LIST_MAX_PRIORITY …
#define AMDGPU_BO_LIST_NUM_BUCKETS …

static void amdgpu_bo_list_free_rcu(struct rcu_head *rcu)
{ … }

static void amdgpu_bo_list_free(struct kref *ref)
{ … }

static int amdgpu_bo_list_entry_cmp(const void *_a, const void *_b)
{ … }

int amdgpu_bo_list_create(struct amdgpu_device *adev, struct drm_file *filp,
			  struct drm_amdgpu_bo_list_entry *info,
			  size_t num_entries, struct amdgpu_bo_list **result)
{ … }

static void amdgpu_bo_list_destroy(struct amdgpu_fpriv *fpriv, int id)
{ … }

int amdgpu_bo_list_get(struct amdgpu_fpriv *fpriv, int id,
		       struct amdgpu_bo_list **result)
{ … }

void amdgpu_bo_list_put(struct amdgpu_bo_list *list)
{ … }

int amdgpu_bo_create_list_entry_array(struct drm_amdgpu_bo_list_in *in,
				      struct drm_amdgpu_bo_list_entry **info_param)
{ … }

int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data,
				struct drm_file *filp)
{ … }