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/ctrl208f/ctrl208fbus.h | 113 +++++++++++++++++++++ 1 file changed, 113 insertions(+) create mode 100644 userspace/sdks/nv570/inc/ctrl/ctrl208f/ctrl208fbus.h (limited to 'userspace/sdks/nv570/inc/ctrl/ctrl208f/ctrl208fbus.h') diff --git a/userspace/sdks/nv570/inc/ctrl/ctrl208f/ctrl208fbus.h b/userspace/sdks/nv570/inc/ctrl/ctrl208f/ctrl208fbus.h new file mode 100644 index 0000000..0845699 --- /dev/null +++ b/userspace/sdks/nv570/inc/ctrl/ctrl208f/ctrl208fbus.h @@ -0,0 +1,113 @@ +/* + * SPDX-FileCopyrightText: Copyright (c) 2020-2022 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/ctrl208f/ctrl208fbus.finn +// + +#include "ctrl/ctrl208f/ctrl208fbase.h" + +/* + * NV208F_CTRL_CMD_BUS_IS_BAR1_VIRTUAL + * + * This command checks whether or not BAR1 is in virtual mode. + * This API is intended for internal testing only. + * + * bIsVirtual + * Whether or not Bar1 is in virtual mode. + */ +#define NV208F_CTRL_CMD_BUS_IS_BAR1_VIRTUAL (0x208f1801) /* finn: Evaluated from "(FINN_NV20_SUBDEVICE_DIAG_BUS_INTERFACE_ID << 8) | NV208F_CTRL_BUS_IS_BAR1_VIRTUAL_PARAMS_MESSAGE_ID" */ + +#define NV208F_CTRL_BUS_IS_BAR1_VIRTUAL_PARAMS_MESSAGE_ID (0x1U) + +typedef struct NV208F_CTRL_BUS_IS_BAR1_VIRTUAL_PARAMS { + NvBool bIsVirtual; +} NV208F_CTRL_BUS_IS_BAR1_VIRTUAL_PARAMS; + +/* + * NV208F_CTRL_CMD_BUS_ECC_INJECT_ERROR + * + * This ctrl call injects BUS ECC errors. Please see the confluence + * page "ECC" for more information on ECC and ECC injection: + * + * Parameters: + * + * location + * Specifies the BUS HW unit where the injection will occur. + * + * errorType + * Specifies whether the injected error will be correctable or uncorrectable. + * Correctable errors have no effect on running programs while uncorrectable + * errors will cause all channels to be torn down. + * + * Possible status values returned are: + * NV_OK + * NV_ERR_NOT_SUPPORTED + * NV_ERR_INVALID_ARGUMENT + */ +#define NV208F_CTRL_CMD_BUS_ECC_INJECT_ERROR (0x208f1802) /* finn: Evaluated from "(FINN_NV20_SUBDEVICE_DIAG_BUS_INTERFACE_ID << 8) | NV208F_CTRL_BUS_ECC_INJECT_ERROR_PARAMS_MESSAGE_ID" */ + + + +#define NV208F_CTRL_BUS_ECC_INJECT_ERROR_PARAMS_MESSAGE_ID (0x2U) + +typedef struct NV208F_CTRL_BUS_ECC_INJECT_ERROR_PARAMS { + NvU8 errorType; + NvU8 errorUnit; +} NV208F_CTRL_BUS_ECC_INJECT_ERROR_PARAMS; + +/* + * NV208F_CTRL_CMD_BUS_ECC_INJECTION_SUPPORTED + * + * Reports if error injection is supported for BUS units + * + * bCorrectableSupported [out]: + * Boolean value that shows if correcatable errors can be injected. + * + * bUncorrectableSupported [out]: + * Boolean value that shows if uncorrecatable errors can be injected. + * + * Return values: + * NV_OK on success + * NV_ERR_INSUFFICIENT_PERMISSIONS if priv write not enabled. + * NV_ERR_NOT_SUPPORTED otherwise + * + * + */ +#define NV208F_CTRL_CMD_BUS_ECC_INJECTION_SUPPORTED (0x208f1803) /* finn: Evaluated from "(FINN_NV20_SUBDEVICE_DIAG_BUS_INTERFACE_ID << 8) | NV208F_CTRL_BUS_ECC_INJECTION_SUPPORTED_PARAMS_MESSAGE_ID" */ + +#define NV208F_CTRL_BUS_ECC_INJECTION_SUPPORTED_PARAMS_MESSAGE_ID (0x3U) + +typedef struct NV208F_CTRL_BUS_ECC_INJECTION_SUPPORTED_PARAMS { + NvU8 errorUnit; + NvBool bCorrectableSupported; + NvBool bUncorrectableSupported; +} NV208F_CTRL_BUS_ECC_INJECTION_SUPPORTED_PARAMS; + +/* _ctrl208fbus_h_ */ + -- cgit v1.2.3