/* * SPDX-FileCopyrightText: Copyright (c) 1999-2011 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. */ #define __NO_VERSION__ #include "os-interface.h" #include "nv-linux.h" NV_STATUS NV_API_CALL os_match_mmap_offset( void *pAllocPrivate, NvU64 offset, NvU64 *pPageIndex ) { nv_alloc_t *at = pAllocPrivate; NvU64 i; for (i = 0; i < at->num_pages; i++) { if (at->flags.contig) { if (offset == (at->page_table[0]->phys_addr + (i * PAGE_SIZE))) { *pPageIndex = i; return NV_OK; } } else { if (offset == at->page_table[i]->phys_addr) { *pPageIndex = i; return NV_OK; } } } return NV_ERR_OBJECT_NOT_FOUND; }