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