cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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vmwgfx_binding.h (7900B)

      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
     36#define VMW_MAX_UAV_BIND_TYPE 2
     37
     38struct vmw_private;
     39struct vmw_ctx_binding_state;
     40
     41/*
     42 * enum vmw_ctx_binding_type - abstract resource to context binding types
     43 */
     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_max
     60};
     61
     62/**
     63 * struct vmw_ctx_bindinfo - single binding metadata
     64 *
     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. NULL
     68 * indicates no binding present.
     69 * @res: Non-refcounted pointer to the resource the binding points to. This
     70 * 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 metadata
     85 *
     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 metadata
     96 *
     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 metadata
    107 *
    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 metadata
    124 *
    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 metadata
    137 *
    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 metadata
    152 *
    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 metadata
    167 *
    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 state
    180 *
    181 * @shader: The shader binding for this shader type
    182 * @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 changes
    185 * that have not yet been emitted to the device.
    186 * @dirty: Bitmap tracking per-binding type binding changes that have not
    187 * 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 void
    225vmw_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#endif