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Kernel: Put VirtIOGPU related types into a namespace
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12 changed files with 326 additions and 300 deletions
153
Kernel/Graphics/VirtIOGPU/Protocol.h
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153
Kernel/Graphics/VirtIOGPU/Protocol.h
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/*
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* Copyright (c) 2021, Sahan Fernando <sahan.h.fernando@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#define VIRTIO_GPU_MAX_SCANOUTS 16
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namespace Kernel::Graphics::VirtIOGPU::Protocol {
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// Specification equivalent: enum virtio_gpu_ctrl_type
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enum class CommandType : u32 {
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/* 2d commands */
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VIRTIO_GPU_CMD_GET_DISPLAY_INFO = 0x0100,
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VIRTIO_GPU_CMD_RESOURCE_CREATE_2D,
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VIRTIO_GPU_CMD_RESOURCE_UNREF,
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VIRTIO_GPU_CMD_SET_SCANOUT,
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VIRTIO_GPU_CMD_RESOURCE_FLUSH,
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VIRTIO_GPU_CMD_TRANSFER_TO_HOST_2D,
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VIRTIO_GPU_CMD_RESOURCE_ATTACH_BACKING,
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VIRTIO_GPU_CMD_RESOURCE_DETACH_BACKING,
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VIRTIO_GPU_CMD_GET_CAPSET_INFO,
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VIRTIO_GPU_CMD_GET_CAPSET,
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VIRTIO_GPU_CMD_GET_EDID,
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/* cursor commands */
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VIRTIO_GPU_CMD_UPDATE_CURSOR = 0x0300,
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VIRTIO_GPU_CMD_MOVE_CURSOR,
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/* success responses */
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VIRTIO_GPU_RESP_OK_NODATA = 0x1100,
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VIRTIO_GPU_RESP_OK_DISPLAY_INFO,
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VIRTIO_GPU_RESP_OK_CAPSET_INFO,
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VIRTIO_GPU_RESP_OK_CAPSET,
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VIRTIO_GPU_RESP_OK_EDID,
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/* error responses */
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VIRTIO_GPU_RESP_ERR_UNSPEC = 0x1200,
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VIRTIO_GPU_RESP_ERR_OUT_OF_MEMORY,
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VIRTIO_GPU_RESP_ERR_INVALID_SCANOUT_ID,
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VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID,
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VIRTIO_GPU_RESP_ERR_INVALID_CONTEXT_ID,
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VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER,
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};
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// Specification equivalent: struct virtio_gpu_ctrl_hdr
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struct ControlHeader {
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u32 type;
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u32 flags;
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u64 fence_id;
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u32 context_id;
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u32 padding;
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};
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// Specification equivalent: struct virtio_gpu_rect
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struct Rect {
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u32 x;
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u32 y;
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u32 width;
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u32 height;
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};
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// Specification equivalent: struct virtio_gpu_resp_display_info
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struct DisplayInfoResponse {
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ControlHeader header;
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// Specification equivalent: struct virtio_gpu_display_one
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struct Display {
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Rect rect;
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u32 enabled;
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u32 flags;
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} scanout_modes[VIRTIO_GPU_MAX_SCANOUTS];
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};
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// Specification equivalent: enum virtio_gpu_formats
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enum class TextureFormat : u32 {
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VIRTIO_GPU_FORMAT_B8G8R8A8_UNORM = 1,
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VIRTIO_GPU_FORMAT_B8G8R8X8_UNORM = 2,
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VIRTIO_GPU_FORMAT_A8R8G8B8_UNORM = 3,
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VIRTIO_GPU_FORMAT_X8R8G8B8_UNORM = 4,
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VIRTIO_GPU_FORMAT_R8G8B8A8_UNORM = 67,
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VIRTIO_GPU_FORMAT_X8B8G8R8_UNORM = 68,
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VIRTIO_GPU_FORMAT_A8B8G8R8_UNORM = 121,
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VIRTIO_GPU_FORMAT_R8G8B8X8_UNORM = 134,
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};
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// Specification equivalent: struct virtio_gpu_resource_create_2d
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struct ResourceCreate2D {
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ControlHeader header;
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u32 resource_id;
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u32 format;
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u32 width;
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u32 height;
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};
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// Specification equivalent: struct virtio_gpu_resource_unref
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struct ResourceUnref {
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ControlHeader header;
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u32 resource_id;
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u32 padding;
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};
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// Specification equivalent: struct virtio_gpu_set_scanout
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struct SetScanOut {
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ControlHeader header;
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Rect rect;
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u32 scanout_id;
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u32 resource_id;
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};
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// Specification equivalent: struct virtio_gpu_mem_entry
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struct MemoryEntry {
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u64 address;
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u32 length;
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u32 padding;
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};
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// Specification equivalent: struct virtio_gpu_resource_attach_backing
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struct ResourceAttachBacking {
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ControlHeader header;
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u32 resource_id;
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u32 num_entries;
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MemoryEntry entries[];
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};
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// Specification equivalent: struct virtio_gpu_resource_detach_backing
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struct ResourceDetachBacking {
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ControlHeader header;
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u32 resource_id;
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u32 padding;
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};
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// Specification equivalent: struct virtio_gpu_transfer_to_host_2d
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struct TransferToHost2D {
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ControlHeader header;
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Rect rect;
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u64 offset;
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u32 resource_id;
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u32 padding;
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};
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// Specification equivalent: struct virtio_gpu_resource_flush
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struct ResourceFlush {
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ControlHeader header;
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Rect rect;
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u32 resource_id;
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u32 padding;
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};
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}
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