open-gpu-kernel-modules/kernel-open/nvidia/nv-vtophys.c
2022-05-09 13:18:59 -07:00

40 lines
1.5 KiB
C

/*
* SPDX-FileCopyrightText: Copyright (c) 1999-2013 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"
NvU64 NV_API_CALL nv_get_kern_phys_address(NvU64 address)
{
/* direct-mapped kernel address */
if (virt_addr_valid(address))
return __pa(address);
nv_printf(NV_DBG_ERRORS,
"NVRM: can't translate address in %s()!\n", __FUNCTION__);
return 0;
}