1/* SPDX-License-Identifier: GPL-2.0 OR MIT */ 2/************************************************************************** 3 * 4 * Copyright 2015 VMware, Inc., Palo Alto, CA., USA 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#ifndef _VMWGFX_BINDING_H_ 28#define _VMWGFX_BINDING_H_ 29 30#include <linux/list.h> 31 32#include "device_include/svga3d_reg.h" 33 34#define VMW_MAX_VIEW_BINDINGS 128 35 36struct vmw_private; 37struct vmw_ctx_binding_state; 38 39/* 40 * enum vmw_ctx_binding_type - abstract resource to context binding types 41 */ 42enum vmw_ctx_binding_type { 43 vmw_ctx_binding_shader, 44 vmw_ctx_binding_rt, 45 vmw_ctx_binding_tex, 46 vmw_ctx_binding_cb, 47 vmw_ctx_binding_dx_shader, 48 vmw_ctx_binding_dx_rt, 49 vmw_ctx_binding_sr, 50 vmw_ctx_binding_ds, 51 vmw_ctx_binding_so, 52 vmw_ctx_binding_vb, 53 vmw_ctx_binding_ib, 54 vmw_ctx_binding_max 55}; 56 57/** 58 * struct vmw_ctx_bindinfo - single binding metadata 59 * 60 * @ctx_list: List head for the context's list of bindings. 61 * @res_list: List head for a resource's list of bindings. 62 * @ctx: Non-refcounted pointer to the context that owns the binding. NULL 63 * indicates no binding present. 64 * @res: Non-refcounted pointer to the resource the binding points to. This 65 * is typically a surface or a view. 66 * @bt: Binding type. 67 * @scrubbed: Whether the binding has been scrubbed from the context. 68 */ 69struct vmw_ctx_bindinfo { 70 struct list_head ctx_list; 71 struct list_head res_list; 72 struct vmw_resource *ctx; 73 struct vmw_resource *res; 74 enum vmw_ctx_binding_type bt; 75 bool scrubbed; 76}; 77 78/** 79 * struct vmw_ctx_bindinfo_tex - texture stage binding metadata 80 * 81 * @bi: struct vmw_ctx_bindinfo we derive from. 82 * @texture_stage: Device data used to reconstruct binding command. 83 */ 84struct vmw_ctx_bindinfo_tex { 85 struct vmw_ctx_bindinfo bi; 86 uint32 texture_stage; 87}; 88 89/** 90 * struct vmw_ctx_bindinfo_shader - Shader binding metadata 91 * 92 * @bi: struct vmw_ctx_bindinfo we derive from. 93 * @shader_slot: Device data used to reconstruct binding command. 94 */ 95struct vmw_ctx_bindinfo_shader { 96 struct vmw_ctx_bindinfo bi; 97 SVGA3dShaderType shader_slot; 98}; 99 100/** 101 * struct vmw_ctx_bindinfo_cb - Constant buffer binding metadata 102 * 103 * @bi: struct vmw_ctx_bindinfo we derive from. 104 * @shader_slot: Device data used to reconstruct binding command. 105 * @offset: Device data used to reconstruct binding command. 106 * @size: Device data used to reconstruct binding command. 107 * @slot: Device data used to reconstruct binding command. 108 */ 109struct vmw_ctx_bindinfo_cb { 110 struct vmw_ctx_bindinfo bi; 111 SVGA3dShaderType shader_slot; 112 uint32 offset; 113 uint32 size; 114 uint32 slot; 115}; 116 117/** 118 * struct vmw_ctx_bindinfo_view - View binding metadata 119 * 120 * @bi: struct vmw_ctx_bindinfo we derive from. 121 * @shader_slot: Device data used to reconstruct binding command. 122 * @slot: Device data used to reconstruct binding command. 123 */ 124struct vmw_ctx_bindinfo_view { 125 struct vmw_ctx_bindinfo bi; 126 SVGA3dShaderType shader_slot; 127 uint32 slot; 128}; 129 130/** 131 * struct vmw_ctx_bindinfo_so - StreamOutput binding metadata 132 * 133 * @bi: struct vmw_ctx_bindinfo we derive from. 134 * @offset: Device data used to reconstruct binding command. 135 * @size: Device data used to reconstruct binding command. 136 * @slot: Device data used to reconstruct binding command. 137 */ 138struct vmw_ctx_bindinfo_so { 139 struct vmw_ctx_bindinfo bi; 140 uint32 offset; 141 uint32 size; 142 uint32 slot; 143}; 144 145/** 146 * struct vmw_ctx_bindinfo_vb - Vertex buffer binding metadata 147 * 148 * @bi: struct vmw_ctx_bindinfo we derive from. 149 * @offset: Device data used to reconstruct binding command. 150 * @stride: Device data used to reconstruct binding command. 151 * @slot: Device data used to reconstruct binding command. 152 */ 153struct vmw_ctx_bindinfo_vb { 154 struct vmw_ctx_bindinfo bi; 155 uint32 offset; 156 uint32 stride; 157 uint32 slot; 158}; 159 160/** 161 * struct vmw_ctx_bindinfo_ib - StreamOutput binding metadata 162 * 163 * @bi: struct vmw_ctx_bindinfo we derive from. 164 * @offset: Device data used to reconstruct binding command. 165 * @format: Device data used to reconstruct binding command. 166 */ 167struct vmw_ctx_bindinfo_ib { 168 struct vmw_ctx_bindinfo bi; 169 uint32 offset; 170 uint32 format; 171}; 172 173/** 174 * struct vmw_dx_shader_bindings - per shader type context binding state 175 * 176 * @shader: The shader binding for this shader type 177 * @const_buffer: Const buffer bindings for this shader type. 178 * @shader_res: Shader resource view bindings for this shader type. 179 * @dirty_sr: Bitmap tracking individual shader resource bindings changes 180 * that have not yet been emitted to the device. 181 * @dirty: Bitmap tracking per-binding type binding changes that have not 182 * yet been emitted to the device. 183 */ 184struct vmw_dx_shader_bindings { 185 struct vmw_ctx_bindinfo_shader shader; 186 struct vmw_ctx_bindinfo_cb const_buffers[SVGA3D_DX_MAX_CONSTBUFFERS]; 187 struct vmw_ctx_bindinfo_view shader_res[SVGA3D_DX_MAX_SRVIEWS]; 188 DECLARE_BITMAP(dirty_sr, SVGA3D_DX_MAX_SRVIEWS); 189 unsigned long dirty; 190}; 191 192extern void vmw_binding_add(struct vmw_ctx_binding_state *cbs, 193 const struct vmw_ctx_bindinfo *ci, 194 u32 shader_slot, u32 slot); 195extern void 196vmw_binding_state_commit(struct vmw_ctx_binding_state *to, 197 struct vmw_ctx_binding_state *from); 198extern void vmw_binding_res_list_kill(struct list_head *head); 199extern void vmw_binding_res_list_scrub(struct list_head *head); 200extern int vmw_binding_rebind_all(struct vmw_ctx_binding_state *cbs); 201extern void vmw_binding_state_kill(struct vmw_ctx_binding_state *cbs); 202extern void vmw_binding_state_scrub(struct vmw_ctx_binding_state *cbs); 203extern struct vmw_ctx_binding_state * 204vmw_binding_state_alloc(struct vmw_private *dev_priv); 205extern void vmw_binding_state_free(struct vmw_ctx_binding_state *cbs); 206extern struct list_head * 207vmw_binding_state_list(struct vmw_ctx_binding_state *cbs); 208extern void vmw_binding_state_reset(struct vmw_ctx_binding_state *cbs); 209extern u32 vmw_binding_dirtying(enum vmw_ctx_binding_type binding_type); 210 211 212#endif 213