/* * SPDX-FileCopyrightText: Copyright (c) 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/ctrl00fd.finn // #include "ctrl/ctrlxxxx.h" #define NV00FD_CTRL_CMD(cat,idx) NVXXXX_CTRL_CMD(0x00fd, NV00FD_CTRL_##cat, idx) /* NV00FD command categories (6bits) */ #define NV00FD_CTRL_RESERVED (0x00) #define NV00FD_CTRL_MULTICAST_FABRIC (0x01) /* * NV00FD_CTRL_CMD_NULL * * This command does nothing. * This command does not take any parameters. * * Possible status values returned are: * NV_OK */ #define NV00FD_CTRL_CMD_NULL (0xfd0000) /* finn: Evaluated from "(FINN_NV_MEMORY_MULTICAST_FABRIC_RESERVED_INTERFACE_ID << 8) | 0x0" */ /* * NV00FD_CTRL_CMD_GET_INFO * * Queries multicast memory fabric allocation attributes. * * alignment [OUT] * Alignment for the allocation. * * allocSize [OUT] * Size of the allocation. * * pageSize [OUT] * Page size of the allocation. * * numMaxGpus [OUT] * Maximum number of attachable GPUs * * numAttachedGpus [OUT] * Number of GPUs currently attached * */ #define NV00FD_CTRL_CMD_GET_INFO (0xfd0101) /* finn: Evaluated from "(FINN_NV_MEMORY_MULTICAST_FABRIC_FABRIC_INTERFACE_ID << 8) | NV00FD_CTRL_GET_INFO_PARAMS_MESSAGE_ID" */ #define NV00FD_CTRL_GET_INFO_PARAMS_MESSAGE_ID (0x1U) typedef struct NV00FD_CTRL_GET_INFO_PARAMS { NV_DECLARE_ALIGNED(NvU64 alignment, 8); NV_DECLARE_ALIGNED(NvU64 allocSize, 8); NvU32 pageSize; NvU32 numMaxGpus; NvU32 numAttachedGpus; } NV00FD_CTRL_GET_INFO_PARAMS; /* * NV00FD_CTRL_CMD_ATTACH_MEM * * Attaches the physical memory handle and in turn the memory * owner of the physical memory to the Multicast FLA object. * * hSubdevice [IN] * Subdevice handle of the owner GPU * * hMemory [IN] * Physical memory handle to be attached. * * offset [IN] * Offset into the MCFLA object. (Must be zero for now, maybe used in future) * Must be MCFLA pagesize aligned. * * mapOffSet [IN] * Offset into the physical memory descriptor. * Must be physical memory pagesize aligned. * * mapLength [IN] * Length of physical memory handle to be mapped. * Must be physical memory pagesize aligned and less than or equal to * MCFLA alloc size * * flags [IN] * For future use only. Must be zero for now. * * devDescriptor [IN] * devDescriptor is a file descriptor for unix RM clients, but a void * pointer for windows RM clients. It is transparent to RM clients i.e. RM's * user-mode shim populates this field on behalf of clients. * * Restrictions: * a. Memory belonging to only NVSwitch P2P supported GPUs * which can do multicast can be attached * b. Physical memory with 2MB pagesize is allowed * c. Memory of an already attached GPU should not be attached * d. Only vidmem physical memory handle can be attached * */ #define NV00FD_CTRL_CMD_ATTACH_MEM (0xfd0102) /* finn: Evaluated from "(FINN_NV_MEMORY_MULTICAST_FABRIC_FABRIC_INTERFACE_ID << 8) | NV00FD_CTRL_ATTACH_MEM_PARAMS_MESSAGE_ID" */ #define NV00FD_CTRL_ATTACH_MEM_PARAMS_MESSAGE_ID (0x2U) typedef struct NV00FD_CTRL_ATTACH_MEM_PARAMS { NvHandle hSubdevice; NvHandle hMemory; NV_DECLARE_ALIGNED(NvU64 offset, 8); NV_DECLARE_ALIGNED(NvU64 mapOffset, 8); NV_DECLARE_ALIGNED(NvU64 mapLength, 8); NvU32 flags; NV_DECLARE_ALIGNED(NvU64 devDescriptor, 8); } NV00FD_CTRL_ATTACH_MEM_PARAMS; /* * NV00FD_CTRL_CMD_REGISTER_EVENT * * Allows clients to optionally register for events after the Multicast * FLA object is duped under another client. * * pOsEvent [IN] * OS event handle created with NvRmAllocOsEvent(). * */ #define NV00FD_CTRL_CMD_REGISTER_EVENT (0xfd0103) /* finn: Evaluated from "(FINN_NV_MEMORY_MULTICAST_FABRIC_FABRIC_INTERFACE_ID << 8) | NV00FD_CTRL_REGISTER_EVENT_PARAMS_MESSAGE_ID" */ #define NV00FD_CTRL_REGISTER_EVENT_PARAMS_MESSAGE_ID (0x3U) typedef struct NV00FD_CTRL_REGISTER_EVENT_PARAMS { NV_DECLARE_ALIGNED(NvP64 pOsEvent, 8); } NV00FD_CTRL_REGISTER_EVENT_PARAMS; /* _ctrl00fd_h_ */