| /* |
| * 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; |
| } |