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

83 lines
3.1 KiB
C

/*
* SPDX-FileCopyrightText: Copyright (c) 2014-2020 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.
*/
#include "nvstatus.h"
#if !defined(NV_PRINTF_STRING_SECTION)
#if defined(NVRM) && NVCPU_IS_RISCV64
#define NV_PRINTF_STRING_SECTION __attribute__ ((section (".logging")))
#else // defined(NVRM) && NVCPU_IS_RISCV64
#define NV_PRINTF_STRING_SECTION
#endif // defined(NVRM) && NVCPU_IS_RISCV64
#endif // !defined(NV_PRINTF_STRING_SECTION)
/*
* Include nvstatuscodes.h twice. Once for creating constant strings in the
* the NV_PRINTF_STRING_SECTION section of the ececutable, and once to build
* the g_StatusCodeList table.
*/
#undef NV_STATUS_CODE
#undef SDK_NVSTATUSCODES_H
#define NV_STATUS_CODE( name, code, string ) static NV_PRINTF_STRING_SECTION \
const char rm_pvt_##name##_str[] = string " [" #name "]";
#include "nvstatuscodes.h"
#undef NV_STATUS_CODE
#undef SDK_NVSTATUSCODES_H
#define NV_STATUS_CODE( name, code, string ) { name, rm_pvt_##name##_str },
static struct NvStatusCodeString
{
NV_STATUS statusCode;
const char *statusString;
} g_StatusCodeList[] = {
#include "nvstatuscodes.h"
{ 0xffffffff, "Unknown error code!" } // Some compilers don't like the trailing ','
};
#undef NV_STATUS_CODE
/*!
* @brief Given an NV_STATUS code, returns the corresponding status string.
*
* @param[in] nvStatusIn NV_STATUS code for which the string is required
*
* @returns Corresponding status string from the nvstatuscodes.h
*
* TODO: Bug 200025711: convert this to an array-indexed lookup, instead of a linear search
*
*/
const char *nvstatusToString(NV_STATUS nvStatusIn)
{
static NV_PRINTF_STRING_SECTION const char rm_pvt_UNKNOWN_str[] = "Unknown error code!";
NvU32 i;
NvU32 n = ((NvU32)(sizeof(g_StatusCodeList))/(NvU32)(sizeof(g_StatusCodeList[0])));
for (i = 0; i < n; i++)
{
if (g_StatusCodeList[i].statusCode == nvStatusIn)
{
return g_StatusCodeList[i].statusString;
}
}
return rm_pvt_UNKNOWN_str;
}