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/*
* Copyright (c) 2011 Intel Corporation. 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 above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* 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 PRECISION INSIGHT 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.
*
* Authors:
* Binglin Chen <binglin.chen@intel.com>
*
*/
#include "psb_def.h"
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <linux/types.h>
#include <stdlib.h>
#include <string.h>
#include "psb_ws_driver.h"
static struct _ValidateNode *
psb_alloc(struct _WsbmVNodeFuncs *func, int type_id) {
if (type_id == 0) {
struct _PsbDrmValidateNode *vNode = malloc(sizeof(*vNode));
if (vNode == NULL) return NULL;
vNode->base.func = func;
vNode->base.type_id = 0;
return &vNode->base;
} else {
struct _ValidateNode *node = malloc(sizeof(*node));
if (node == NULL) return NULL;
node->func = func;
node->type_id = 1;
return node;
}
}
/*
* Free an allocated validate list node.
*/
static void
psb_free(struct _ValidateNode *node)
{
if (node->type_id == 0)
free(containerOf(node, struct _PsbDrmValidateNode, base));
else
free(node);
}
/*
* Clear the private part of the validate list node. This happens when
* the list node is newly allocated or is being reused. Since we only have
* a private part when node->type_id == 0 we only care to clear in that
* case. We want to clear the drm ioctl argument.
*/
static void
psb_clear(struct _ValidateNode *node)
{
if (node->type_id == 0) {
struct _PsbDrmValidateNode *vNode =
containerOf(node, struct _PsbDrmValidateNode, base);
memset(&vNode->val_arg.d.req, 0, sizeof(vNode->val_arg.d.req));
}
}
static struct _WsbmVNodeFuncs psbVNode = {
.alloc = psb_alloc,
.free = psb_free,
.clear = psb_clear,
};
struct _WsbmVNodeFuncs *
psbVNodeFuncs(void) {
return &psbVNode;
}
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