Release 4.7 drivers/gpu/drm/vmwgfx/vmwgfx_resource_priv.h
/**************************************************************************
*
* Copyright © 2012-2014 VMware, Inc., Palo Alto, CA., USA
* All Rights Reserved.
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* Permission is hereby granted, free of charge, to any person obtaining a
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* 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,
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#ifndef _VMWGFX_RESOURCE_PRIV_H_
#define _VMWGFX_RESOURCE_PRIV_H_
#include "vmwgfx_drv.h"
enum vmw_cmdbuf_res_state {
VMW_CMDBUF_RES_COMMITTED,
VMW_CMDBUF_RES_ADD,
VMW_CMDBUF_RES_DEL
};
/**
* 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.
* @commit_notify: If the resource is a command buffer managed resource,
* callback to notify that a define or remove command
* has been committed to the device.
*/
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);
void (*commit_notify)(struct vmw_resource *res,
enum vmw_cmdbuf_res_state state);
};
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
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| Person | Tokens | Prop | Commits | CommitProp |
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