kernel_samsung_a34x-permissive/drivers/gpu/drm/vmwgfx/vmwgfx_binding.h

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/* SPDX-License-Identifier: GPL-2.0 OR MIT */
/**************************************************************************
*
* Copyright 2015 VMware, Inc., Palo Alto, CA., USA
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#ifndef _VMWGFX_BINDING_H_
#define _VMWGFX_BINDING_H_
#include "device_include/svga3d_reg.h"
#include <linux/list.h>
#define VMW_MAX_VIEW_BINDINGS 128
struct vmw_private;
struct vmw_ctx_binding_state;
/*
* enum vmw_ctx_binding_type - abstract resource to context binding types
*/
enum vmw_ctx_binding_type {
vmw_ctx_binding_shader,
vmw_ctx_binding_rt,
vmw_ctx_binding_tex,
vmw_ctx_binding_cb,
vmw_ctx_binding_dx_shader,
vmw_ctx_binding_dx_rt,
vmw_ctx_binding_sr,
vmw_ctx_binding_ds,
vmw_ctx_binding_so,
vmw_ctx_binding_vb,
vmw_ctx_binding_ib,
vmw_ctx_binding_max
};
/**
* struct vmw_ctx_bindinfo - single binding metadata
*
* @ctx_list: List head for the context's list of bindings.
* @res_list: List head for a resource's list of bindings.
* @ctx: Non-refcounted pointer to the context that owns the binding. NULL
* indicates no binding present.
* @res: Non-refcounted pointer to the resource the binding points to. This
* is typically a surface or a view.
* @bt: Binding type.
* @scrubbed: Whether the binding has been scrubbed from the context.
*/
struct vmw_ctx_bindinfo {
struct list_head ctx_list;
struct list_head res_list;
struct vmw_resource *ctx;
struct vmw_resource *res;
enum vmw_ctx_binding_type bt;
bool scrubbed;
};
/**
* struct vmw_ctx_bindinfo_tex - texture stage binding metadata
*
* @bi: struct vmw_ctx_bindinfo we derive from.
* @texture_stage: Device data used to reconstruct binding command.
*/
struct vmw_ctx_bindinfo_tex {
struct vmw_ctx_bindinfo bi;
uint32 texture_stage;
};
/**
* struct vmw_ctx_bindinfo_shader - Shader binding metadata
*
* @bi: struct vmw_ctx_bindinfo we derive from.
* @shader_slot: Device data used to reconstruct binding command.
*/
struct vmw_ctx_bindinfo_shader {
struct vmw_ctx_bindinfo bi;
SVGA3dShaderType shader_slot;
};
/**
* struct vmw_ctx_bindinfo_cb - Constant buffer binding metadata
*
* @bi: struct vmw_ctx_bindinfo we derive from.
* @shader_slot: Device data used to reconstruct binding command.
* @offset: Device data used to reconstruct binding command.
* @size: Device data used to reconstruct binding command.
* @slot: Device data used to reconstruct binding command.
*/
struct vmw_ctx_bindinfo_cb {
struct vmw_ctx_bindinfo bi;
SVGA3dShaderType shader_slot;
uint32 offset;
uint32 size;
uint32 slot;
};
/**
* struct vmw_ctx_bindinfo_view - View binding metadata
*
* @bi: struct vmw_ctx_bindinfo we derive from.
* @shader_slot: Device data used to reconstruct binding command.
* @slot: Device data used to reconstruct binding command.
*/
struct vmw_ctx_bindinfo_view {
struct vmw_ctx_bindinfo bi;
SVGA3dShaderType shader_slot;
uint32 slot;
};
/**
* struct vmw_ctx_bindinfo_so - StreamOutput binding metadata
*
* @bi: struct vmw_ctx_bindinfo we derive from.
* @offset: Device data used to reconstruct binding command.
* @size: Device data used to reconstruct binding command.
* @slot: Device data used to reconstruct binding command.
*/
struct vmw_ctx_bindinfo_so {
struct vmw_ctx_bindinfo bi;
uint32 offset;
uint32 size;
uint32 slot;
};
/**
* struct vmw_ctx_bindinfo_vb - Vertex buffer binding metadata
*
* @bi: struct vmw_ctx_bindinfo we derive from.
* @offset: Device data used to reconstruct binding command.
* @stride: Device data used to reconstruct binding command.
* @slot: Device data used to reconstruct binding command.
*/
struct vmw_ctx_bindinfo_vb {
struct vmw_ctx_bindinfo bi;
uint32 offset;
uint32 stride;
uint32 slot;
};
/**
* struct vmw_ctx_bindinfo_ib - StreamOutput binding metadata
*
* @bi: struct vmw_ctx_bindinfo we derive from.
* @offset: Device data used to reconstruct binding command.
* @format: Device data used to reconstruct binding command.
*/
struct vmw_ctx_bindinfo_ib {
struct vmw_ctx_bindinfo bi;
uint32 offset;
uint32 format;
};
/**
* struct vmw_dx_shader_bindings - per shader type context binding state
*
* @shader: The shader binding for this shader type
* @const_buffer: Const buffer bindings for this shader type.
* @shader_res: Shader resource view bindings for this shader type.
* @dirty_sr: Bitmap tracking individual shader resource bindings changes
* that have not yet been emitted to the device.
* @dirty: Bitmap tracking per-binding type binding changes that have not
* yet been emitted to the device.
*/
struct vmw_dx_shader_bindings {
struct vmw_ctx_bindinfo_shader shader;
struct vmw_ctx_bindinfo_cb const_buffers[SVGA3D_DX_MAX_CONSTBUFFERS];
struct vmw_ctx_bindinfo_view shader_res[SVGA3D_DX_MAX_SRVIEWS];
DECLARE_BITMAP(dirty_sr, SVGA3D_DX_MAX_SRVIEWS);
unsigned long dirty;
};
extern void vmw_binding_add(struct vmw_ctx_binding_state *cbs,
const struct vmw_ctx_bindinfo *ci,
u32 shader_slot, u32 slot);
extern void
vmw_binding_state_commit(struct vmw_ctx_binding_state *to,
struct vmw_ctx_binding_state *from);
extern void vmw_binding_res_list_kill(struct list_head *head);
extern void vmw_binding_res_list_scrub(struct list_head *head);
extern int vmw_binding_rebind_all(struct vmw_ctx_binding_state *cbs);
extern void vmw_binding_state_kill(struct vmw_ctx_binding_state *cbs);
extern void vmw_binding_state_scrub(struct vmw_ctx_binding_state *cbs);
extern struct vmw_ctx_binding_state *
vmw_binding_state_alloc(struct vmw_private *dev_priv);
extern void vmw_binding_state_free(struct vmw_ctx_binding_state *cbs);
extern struct list_head *
vmw_binding_state_list(struct vmw_ctx_binding_state *cbs);
extern void vmw_binding_state_reset(struct vmw_ctx_binding_state *cbs);
#endif