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1/* SPDX-License-Identifier: GPL-2.0 OR MIT */2/**************************************************************************3 *4 * Copyright 2015 VMware, Inc., Palo Alto, CA., USA5 *6 * Permission is hereby granted, free of charge, to any person obtaining a7 * copy of this software and associated documentation files (the8 * "Software"), to deal in the Software without restriction, including9 * without limitation the rights to use, copy, modify, merge, publish,10 * distribute, sub license, and/or sell copies of the Software, and to11 * permit persons to whom the Software is furnished to do so, subject to12 * the following conditions:13 *14 * The above copyright notice and this permission notice (including the15 * next paragraph) shall be included in all copies or substantial portions16 * of the Software.17 *18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,20 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL21 * 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 OR23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE24 * 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 12835 36#define VMW_MAX_UAV_BIND_TYPE 237 38struct vmw_private;39struct vmw_ctx_binding_state;40 41/*42 * enum vmw_ctx_binding_type - abstract resource to context binding types43 */44enum vmw_ctx_binding_type {45 vmw_ctx_binding_shader,46 vmw_ctx_binding_rt,47 vmw_ctx_binding_tex,48 vmw_ctx_binding_cb,49 vmw_ctx_binding_dx_shader,50 vmw_ctx_binding_dx_rt,51 vmw_ctx_binding_sr,52 vmw_ctx_binding_ds,53 vmw_ctx_binding_so_target,54 vmw_ctx_binding_vb,55 vmw_ctx_binding_ib,56 vmw_ctx_binding_uav,57 vmw_ctx_binding_cs_uav,58 vmw_ctx_binding_so,59 vmw_ctx_binding_max60};61 62/**63 * struct vmw_ctx_bindinfo - single binding metadata64 *65 * @ctx_list: List head for the context's list of bindings.66 * @res_list: List head for a resource's list of bindings.67 * @ctx: Non-refcounted pointer to the context that owns the binding. NULL68 * indicates no binding present.69 * @res: Non-refcounted pointer to the resource the binding points to. This70 * is typically a surface or a view.71 * @bt: Binding type.72 * @scrubbed: Whether the binding has been scrubbed from the context.73 */74struct vmw_ctx_bindinfo {75 struct list_head ctx_list;76 struct list_head res_list;77 struct vmw_resource *ctx;78 struct vmw_resource *res;79 enum vmw_ctx_binding_type bt;80 bool scrubbed;81};82 83/**84 * struct vmw_ctx_bindinfo_tex - texture stage binding metadata85 *86 * @bi: struct vmw_ctx_bindinfo we derive from.87 * @texture_stage: Device data used to reconstruct binding command.88 */89struct vmw_ctx_bindinfo_tex {90 struct vmw_ctx_bindinfo bi;91 uint32 texture_stage;92};93 94/**95 * struct vmw_ctx_bindinfo_shader - Shader binding metadata96 *97 * @bi: struct vmw_ctx_bindinfo we derive from.98 * @shader_slot: Device data used to reconstruct binding command.99 */100struct vmw_ctx_bindinfo_shader {101 struct vmw_ctx_bindinfo bi;102 SVGA3dShaderType shader_slot;103};104 105/**106 * struct vmw_ctx_bindinfo_cb - Constant buffer binding metadata107 *108 * @bi: struct vmw_ctx_bindinfo we derive from.109 * @shader_slot: Device data used to reconstruct binding command.110 * @offset: Device data used to reconstruct binding command.111 * @size: Device data used to reconstruct binding command.112 * @slot: Device data used to reconstruct binding command.113 */114struct vmw_ctx_bindinfo_cb {115 struct vmw_ctx_bindinfo bi;116 SVGA3dShaderType shader_slot;117 uint32 offset;118 uint32 size;119 uint32 slot;120};121 122/**123 * struct vmw_ctx_bindinfo_view - View binding metadata124 *125 * @bi: struct vmw_ctx_bindinfo we derive from.126 * @shader_slot: Device data used to reconstruct binding command.127 * @slot: Device data used to reconstruct binding command.128 */129struct vmw_ctx_bindinfo_view {130 struct vmw_ctx_bindinfo bi;131 SVGA3dShaderType shader_slot;132 uint32 slot;133};134 135/**136 * struct vmw_ctx_bindinfo_so_target - StreamOutput binding metadata137 *138 * @bi: struct vmw_ctx_bindinfo we derive from.139 * @offset: Device data used to reconstruct binding command.140 * @size: Device data used to reconstruct binding command.141 * @slot: Device data used to reconstruct binding command.142 */143struct vmw_ctx_bindinfo_so_target {144 struct vmw_ctx_bindinfo bi;145 uint32 offset;146 uint32 size;147 uint32 slot;148};149 150/**151 * struct vmw_ctx_bindinfo_vb - Vertex buffer binding metadata152 *153 * @bi: struct vmw_ctx_bindinfo we derive from.154 * @offset: Device data used to reconstruct binding command.155 * @stride: Device data used to reconstruct binding command.156 * @slot: Device data used to reconstruct binding command.157 */158struct vmw_ctx_bindinfo_vb {159 struct vmw_ctx_bindinfo bi;160 uint32 offset;161 uint32 stride;162 uint32 slot;163};164 165/**166 * struct vmw_ctx_bindinfo_ib - StreamOutput binding metadata167 *168 * @bi: struct vmw_ctx_bindinfo we derive from.169 * @offset: Device data used to reconstruct binding command.170 * @format: Device data used to reconstruct binding command.171 */172struct vmw_ctx_bindinfo_ib {173 struct vmw_ctx_bindinfo bi;174 uint32 offset;175 uint32 format;176};177 178/**179 * struct vmw_dx_shader_bindings - per shader type context binding state180 *181 * @shader: The shader binding for this shader type182 * @const_buffer: Const buffer bindings for this shader type.183 * @shader_res: Shader resource view bindings for this shader type.184 * @dirty_sr: Bitmap tracking individual shader resource bindings changes185 * that have not yet been emitted to the device.186 * @dirty: Bitmap tracking per-binding type binding changes that have not187 * yet been emitted to the device.188 */189struct vmw_dx_shader_bindings {190 struct vmw_ctx_bindinfo_shader shader;191 struct vmw_ctx_bindinfo_cb const_buffers[SVGA3D_DX_MAX_CONSTBUFFERS];192 struct vmw_ctx_bindinfo_view shader_res[SVGA3D_DX_MAX_SRVIEWS];193 DECLARE_BITMAP(dirty_sr, SVGA3D_DX_MAX_SRVIEWS);194 unsigned long dirty;195};196 197/**198 * struct vmw_ctx_bindinfo_uav - UAV context binding state.199 * @views: UAV view bindings.200 * @splice_index: The device splice index set by user-space.201 */202struct vmw_ctx_bindinfo_uav {203 struct vmw_ctx_bindinfo_view views[SVGA3D_DX11_1_MAX_UAVIEWS];204 uint32 index;205};206 207/**208 * struct vmw_ctx_bindinfo_so - Stream output binding metadata.209 * @bi: struct vmw_ctx_bindinfo we derive from.210 * @slot: Device data used to reconstruct binding command.211 */212struct vmw_ctx_bindinfo_so {213 struct vmw_ctx_bindinfo bi;214 uint32 slot;215};216 217extern void vmw_binding_add(struct vmw_ctx_binding_state *cbs,218 const struct vmw_ctx_bindinfo *ci,219 u32 shader_slot, u32 slot);220extern void vmw_binding_cb_offset_update(struct vmw_ctx_binding_state *cbs,221 u32 shader_slot, u32 slot, u32 offsetInBytes);222extern void vmw_binding_add_uav_index(struct vmw_ctx_binding_state *cbs,223 uint32 slot, uint32 splice_index);224extern void225vmw_binding_state_commit(struct vmw_ctx_binding_state *to,226 struct vmw_ctx_binding_state *from);227extern void vmw_binding_res_list_kill(struct list_head *head);228extern void vmw_binding_res_list_scrub(struct list_head *head);229extern int vmw_binding_rebind_all(struct vmw_ctx_binding_state *cbs);230extern void vmw_binding_state_kill(struct vmw_ctx_binding_state *cbs);231extern void vmw_binding_state_scrub(struct vmw_ctx_binding_state *cbs);232extern struct vmw_ctx_binding_state *233vmw_binding_state_alloc(struct vmw_private *dev_priv);234extern void vmw_binding_state_free(struct vmw_ctx_binding_state *cbs);235extern struct list_head *236vmw_binding_state_list(struct vmw_ctx_binding_state *cbs);237extern void vmw_binding_state_reset(struct vmw_ctx_binding_state *cbs);238extern u32 vmw_binding_dirtying(enum vmw_ctx_binding_type binding_type);239 240 241#endif242