85 lines
3.4 KiB
C
85 lines
3.4 KiB
C
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/**************************************************************************
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*
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* Copyright © 2012 VMware, Inc., Palo Alto, CA., USA
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#ifndef _VMWGFX_RESOURCE_PRIV_H_
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#define _VMWGFX_RESOURCE_PRIV_H_
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#include "vmwgfx_drv.h"
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/**
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* struct vmw_user_resource_conv - Identify a derived user-exported resource
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* type and provide a function to convert its ttm_base_object pointer to
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* a struct vmw_resource
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*/
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struct vmw_user_resource_conv {
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enum ttm_object_type object_type;
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struct vmw_resource *(*base_obj_to_res)(struct ttm_base_object *base);
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void (*res_free) (struct vmw_resource *res);
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};
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/**
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* struct vmw_res_func - members and functions common for a resource type
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*
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* @res_type: Enum that identifies the lru list to use for eviction.
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* @needs_backup: Whether the resource is guest-backed and needs
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* persistent buffer storage.
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* @type_name: String that identifies the resource type.
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* @backup_placement: TTM placement for backup buffers.
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* @may_evict Whether the resource may be evicted.
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* @create: Create a hardware resource.
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* @destroy: Destroy a hardware resource.
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* @bind: Bind a hardware resource to persistent buffer storage.
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* @unbind: Unbind a hardware resource from persistent
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* buffer storage.
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*/
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struct vmw_res_func {
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enum vmw_res_type res_type;
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bool needs_backup;
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const char *type_name;
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struct ttm_placement *backup_placement;
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bool may_evict;
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int (*create) (struct vmw_resource *res);
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int (*destroy) (struct vmw_resource *res);
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int (*bind) (struct vmw_resource *res,
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struct ttm_validate_buffer *val_buf);
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int (*unbind) (struct vmw_resource *res,
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bool readback,
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struct ttm_validate_buffer *val_buf);
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};
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int vmw_resource_alloc_id(struct vmw_resource *res);
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void vmw_resource_release_id(struct vmw_resource *res);
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int vmw_resource_init(struct vmw_private *dev_priv, struct vmw_resource *res,
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bool delay_id,
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void (*res_free) (struct vmw_resource *res),
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const struct vmw_res_func *func);
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void vmw_resource_activate(struct vmw_resource *res,
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void (*hw_destroy) (struct vmw_resource *));
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#endif
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