0,0 → 1,84 |
/************************************************************************** |
* |
* Copyright © 2012 VMware, Inc., Palo Alto, CA., USA |
* 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 |
* 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. |
* |
**************************************************************************/ |
|
#ifndef _VMWGFX_RESOURCE_PRIV_H_ |
#define _VMWGFX_RESOURCE_PRIV_H_ |
|
#include "vmwgfx_drv.h" |
|
/** |
* struct vmw_user_resource_conv - Identify a derived user-exported resource |
* type and provide a function to convert its ttm_base_object pointer to |
* a struct vmw_resource |
*/ |
struct vmw_user_resource_conv { |
enum ttm_object_type object_type; |
struct vmw_resource *(*base_obj_to_res)(struct ttm_base_object *base); |
void (*res_free) (struct vmw_resource *res); |
}; |
|
/** |
* struct vmw_res_func - members and functions common for a resource type |
* |
* @res_type: Enum that identifies the lru list to use for eviction. |
* @needs_backup: Whether the resource is guest-backed and needs |
* persistent buffer storage. |
* @type_name: String that identifies the resource type. |
* @backup_placement: TTM placement for backup buffers. |
* @may_evict Whether the resource may be evicted. |
* @create: Create a hardware resource. |
* @destroy: Destroy a hardware resource. |
* @bind: Bind a hardware resource to persistent buffer storage. |
* @unbind: Unbind a hardware resource from persistent |
* buffer storage. |
*/ |
|
struct vmw_res_func { |
enum vmw_res_type res_type; |
bool needs_backup; |
const char *type_name; |
struct ttm_placement *backup_placement; |
bool may_evict; |
|
int (*create) (struct vmw_resource *res); |
int (*destroy) (struct vmw_resource *res); |
int (*bind) (struct vmw_resource *res, |
struct ttm_validate_buffer *val_buf); |
int (*unbind) (struct vmw_resource *res, |
bool readback, |
struct ttm_validate_buffer *val_buf); |
}; |
|
int vmw_resource_alloc_id(struct vmw_resource *res); |
void vmw_resource_release_id(struct vmw_resource *res); |
int vmw_resource_init(struct vmw_private *dev_priv, struct vmw_resource *res, |
bool delay_id, |
void (*res_free) (struct vmw_resource *res), |
const struct vmw_res_func *func); |
void vmw_resource_activate(struct vmw_resource *res, |
void (*hw_destroy) (struct vmw_resource *)); |
#endif |