From 00e54c13c7c9030c4d5f7151467f2d85a3730e29 Mon Sep 17 00:00:00 2001 From: Arthur Hanson Rasmusson Date: Sun, 13 Sep 2026 18:36:21 -0400 Subject: Initial commit: Open-IOV vGPU-IO complete stack - Firmware decompilation: GSP 570.144W (28.5MB ELF, RV64IMAC), 132 decompiled C files - Kernel modules: nvidia.ko (34MB, OpenRM), open-iov-vfio.ko (2.8MB, VFIO mdev), gsp-vgpu.ko (1.8MB, guest driver) - Userspace: libiov.so/libvgpu.so (76KB), example_vgpu (28KB), rpc_emulator.c - PCI config space emulation (256B with PM, MSI, MSI-X, PCIe caps) - 12 RPC types fully mapped from firmware decompilation - BAR trap, WPR, scheduling, notification, migration emulation - Helper scripts: load_vgpu_stack, create_mdev, launch_qemu_vgpu, test_vgpu_stack, setup_guest_driver, unload_vgpu_stack - Architecture documentation - Wiki: 10 technical documents - Git LFS for large binaries (.ko, .bin, .iso, .img, .o, ghidra repos) - nvidia-open-gpu-kernel-modules as submodule --- .../sdks/nv570/inc/ctrl/ctrl0080/ctrl0080host.h | 87 ++++++++++++++++++++++ 1 file changed, 87 insertions(+) create mode 100644 userspace/sdks/nv570/inc/ctrl/ctrl0080/ctrl0080host.h (limited to 'userspace/sdks/nv570/inc/ctrl/ctrl0080/ctrl0080host.h') diff --git a/userspace/sdks/nv570/inc/ctrl/ctrl0080/ctrl0080host.h b/userspace/sdks/nv570/inc/ctrl/ctrl0080/ctrl0080host.h new file mode 100644 index 0000000..312d6d7 --- /dev/null +++ b/userspace/sdks/nv570/inc/ctrl/ctrl0080/ctrl0080host.h @@ -0,0 +1,87 @@ +/* + * SPDX-FileCopyrightText: Copyright (c) 2004-2021 NVIDIA CORPORATION & AFFILIATES. All rights reserved. + * SPDX-License-Identifier: MIT + * + * 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, sublicense, + * 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 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 NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS 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. + */ + +#pragma once + +#include + +// +// This file was generated with FINN, an NVIDIA coding tool. +// Source file: ctrl/ctrl0080/ctrl0080host.finn +// + +#include "ctrl/ctrl0080/ctrl0080base.h" + +/* NV01_DEVICE_XX/NV03_DEVICE host control commands and parameters */ + +/* + * NV0080_CTRL_CMD_HOST_GET_CAPS + * + * This command returns the set of host capabilities for the device + * in the form of an array of unsigned bytes. Host capabilities + * include supported features and required workarounds for the host-related + * engine(s) within the device, each represented by a byte offset into + * the table and a bit position within that byte. + * + * capsTblSize + * This parameter specifies the size in bytes of the caps table. + * This value should be set to NV0080_CTRL_HOST_CAPS_TBL_SIZE. + * capsTbl + * This parameter specifies a pointer to the client's caps table buffer + * into which the host caps bits will be transferred by the RM. + * The caps table is an array of unsigned bytes. + * + * Possible status values returned are: + * NV_OK + * NV_ERR_INVALID_PARAM_STRUCT + * NV_ERR_INVALID_ARGUMENT + * NV_ERR_INVALID_POINTER + */ +#define NV0080_CTRL_CMD_HOST_GET_CAPS (0x801401) /* finn: Evaluated from "(FINN_NV01_DEVICE_0_HOST_INTERFACE_ID << 8) | NV0080_CTRL_HOST_GET_CAPS_PARAMS_MESSAGE_ID" */ + +#define NV0080_CTRL_HOST_GET_CAPS_PARAMS_MESSAGE_ID (0x1U) + +typedef struct NV0080_CTRL_HOST_GET_CAPS_PARAMS { + NvU32 capsTblSize; + NV_DECLARE_ALIGNED(NvP64 capsTbl, 8); +} NV0080_CTRL_HOST_GET_CAPS_PARAMS; + +/* extract cap bit setting from tbl */ +#define NV0080_CTRL_HOST_GET_CAP(tbl,c) (((NvU8)tbl[(1?c)]) & (0?c)) + +/* caps format is byte_index:bit_mask */ +#define NV0080_CTRL_HOST_CAPS_CPU_WRITE_WAR_BUG_420495 2:0x20 +#define NV0080_CTRL_HOST_CAPS_EXPLICIT_CACHE_FLUSH_REQD 2:0x40 + +/* size in bytes of host caps table */ +#define NV0080_CTRL_HOST_CAPS_TBL_SIZE 3 + +#define NV0080_CTRL_CMD_HOST_GET_CAPS_V2 (0x801402) /* finn: Evaluated from "(FINN_NV01_DEVICE_0_HOST_INTERFACE_ID << 8) | NV0080_CTRL_HOST_GET_CAPS_V2_PARAMS_MESSAGE_ID" */ + +#define NV0080_CTRL_HOST_GET_CAPS_V2_PARAMS_MESSAGE_ID (0x2U) + +typedef struct NV0080_CTRL_HOST_GET_CAPS_V2_PARAMS { + NvU8 capsTbl[NV0080_CTRL_HOST_CAPS_TBL_SIZE]; +} NV0080_CTRL_HOST_GET_CAPS_V2_PARAMS; + +/* _ctrl0080host_h_ */ -- cgit v1.2.3