1/************************************************************************** 2 * 3 * Copyright © 2012-2014 VMware, Inc., Palo Alto, CA., USA 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 20 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 21 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, 22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 24 * USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28#ifndef _VMWGFX_RESOURCE_PRIV_H_ 29#define _VMWGFX_RESOURCE_PRIV_H_ 30 31#include "vmwgfx_drv.h" 32 33enum vmw_cmdbuf_res_state { 34 VMW_CMDBUF_RES_COMMITTED, 35 VMW_CMDBUF_RES_ADD, 36 VMW_CMDBUF_RES_DEL 37}; 38 39/** 40 * struct vmw_user_resource_conv - Identify a derived user-exported resource 41 * type and provide a function to convert its ttm_base_object pointer to 42 * a struct vmw_resource 43 */ 44struct vmw_user_resource_conv { 45 enum ttm_object_type object_type; 46 struct vmw_resource *(*base_obj_to_res)(struct ttm_base_object *base); 47 void (*res_free) (struct vmw_resource *res); 48}; 49 50/** 51 * struct vmw_res_func - members and functions common for a resource type 52 * 53 * @res_type: Enum that identifies the lru list to use for eviction. 54 * @needs_backup: Whether the resource is guest-backed and needs 55 * persistent buffer storage. 56 * @type_name: String that identifies the resource type. 57 * @backup_placement: TTM placement for backup buffers. 58 * @may_evict Whether the resource may be evicted. 59 * @create: Create a hardware resource. 60 * @destroy: Destroy a hardware resource. 61 * @bind: Bind a hardware resource to persistent buffer storage. 62 * @unbind: Unbind a hardware resource from persistent 63 * buffer storage. 64 * @commit_notify: If the resource is a command buffer managed resource, 65 * callback to notify that a define or remove command 66 * has been committed to the device. 67 */ 68struct vmw_res_func { 69 enum vmw_res_type res_type; 70 bool needs_backup; 71 const char *type_name; 72 struct ttm_placement *backup_placement; 73 bool may_evict; 74 75 int (*create) (struct vmw_resource *res); 76 int (*destroy) (struct vmw_resource *res); 77 int (*bind) (struct vmw_resource *res, 78 struct ttm_validate_buffer *val_buf); 79 int (*unbind) (struct vmw_resource *res, 80 bool readback, 81 struct ttm_validate_buffer *val_buf); 82 void (*commit_notify)(struct vmw_resource *res, 83 enum vmw_cmdbuf_res_state state); 84}; 85 86int vmw_resource_alloc_id(struct vmw_resource *res); 87void vmw_resource_release_id(struct vmw_resource *res); 88int vmw_resource_init(struct vmw_private *dev_priv, struct vmw_resource *res, 89 bool delay_id, 90 void (*res_free) (struct vmw_resource *res), 91 const struct vmw_res_func *func); 92void vmw_resource_activate(struct vmw_resource *res, 93 void (*hw_destroy) (struct vmw_resource *)); 94#endif 95