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 --- userspace/sdks/nv570/inc/ctrl/ctrl00fb.h | 114 +++++++++++++++++++++++++++++++ 1 file changed, 114 insertions(+) create mode 100644 userspace/sdks/nv570/inc/ctrl/ctrl00fb.h (limited to 'userspace/sdks/nv570/inc/ctrl/ctrl00fb.h') diff --git a/userspace/sdks/nv570/inc/ctrl/ctrl00fb.h b/userspace/sdks/nv570/inc/ctrl/ctrl00fb.h new file mode 100644 index 0000000..d995ffc --- /dev/null +++ b/userspace/sdks/nv570/inc/ctrl/ctrl00fb.h @@ -0,0 +1,114 @@ +/* + * SPDX-FileCopyrightText: Copyright (c) 2021-22 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/ctrl00fb.finn +// + +#include "nvtypes.h" +#include "ctrl/ctrlxxxx.h" +#include "ctrl/ctrl00f8.h" + +#define NV00FB_CTRL_CMD(cat, idx) \ + NVXXXX_CTRL_CMD(0x00fb, NV00FB_CTRL_##cat, idx) + +/* NV00FB command categories (6bits) */ +#define NV00FB_CTRL_RESERVED (0x00U) +#define NV00FB_CTRL_IMPORT_REF (0x01U) + +/* + * NV00FB_CTRL_CMD_NULL + * + * This command does nothing. + * This command does not take any parameters. + * + * Possible status values returned are: + * NV_OK + */ +#define NV00FB_CTRL_CMD_NULL (0xfb0000U) /* finn: Evaluated from "(FINN_NV_MEMORY_FABRIC_IMPORTED_REF_RESERVED_INTERFACE_ID << 8) | 0x0" */ + + + + + +/* + * NV00FB_CTRL_CMD_VALIDATE + * + * Populate the imported memory, making it ready to map locally. + * + * attrs [IN] + * Attributes associated with memory allocation. + * + * physAttrs [IN] + * Physical attributes associated with memory allocation. + * For flexible mappings, it is not possible to retrieve this information, + * behavior is undefined (returns all zeros). + * + * offset [IN] + * Offset into memory allocation to query physical addresses for. + * + * totalPfns [IN] + * Number of PFNs in memory allocation. + * + * pfnArray [IN] + * Array of PFNs in memory allocation (2MB page size shifted). + * + * numPfns [IN] + * Number of valid entries in pfnArray. + * + * memFlags [IN] + * Flags associated with memory allocation. + * + * flags [IN] + * Flags to notify RM about errors during import. + * + * bDone [out] + * Whether the RM is expecting additional calls to _VALIDATE. + */ +#define NV00FB_CTRL_CMD_VALIDATE (0xfb0101U) /* finn: Evaluated from "(FINN_NV_MEMORY_FABRIC_IMPORTED_REF_IMPORT_REF_INTERFACE_ID << 8) | NV00FB_CTRL_VALIDATE_PARAMS_MESSAGE_ID" */ + +#define NV00FB_CTRL_VALIDATE_PFN_ARRAY_SIZE 512U + +#define NV00FB_CTRL_FLAGS_NONE 0U +#define NV00FB_CTRL_FLAGS_IMPORT_FAILED 1U + +#define NV00FB_CTRL_VALIDATE_PARAMS_MESSAGE_ID (0x1U) + +typedef struct NV00FB_CTRL_VALIDATE_PARAMS { + NV_DECLARE_ALIGNED(NV_FABRIC_MEMORY_ATTRS attrs, 8); + NV_PHYSICAL_MEMORY_ATTRS physAttrs; + NV_DECLARE_ALIGNED(NvU64 offset, 8); + NV_DECLARE_ALIGNED(NvU64 totalPfns, 8); + NvU32 pfnArray[NV00FB_CTRL_VALIDATE_PFN_ARRAY_SIZE]; + NvU32 numPfns; + NvU32 memFlags; + NvU32 flags; + NvBool bDone; +} NV00FB_CTRL_VALIDATE_PARAMS; + +/* _ctrl00fb_h_ */ -- cgit v1.2.3