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/*
* SPDX-FileCopyrightText: Copyright (c) 2017 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 "nv-linux.h"
#include "os-interface.h"
#include "nv-report-err.h"
nv_report_error_cb_t nv_error_cb_handle = NULL;
int nv_register_error_cb(nv_report_error_cb_t report_error_cb)
{
if (report_error_cb == NULL)
return -EINVAL;
if (nv_error_cb_handle != NULL)
return -EBUSY;
nv_error_cb_handle = report_error_cb;
return 0;
}
EXPORT_SYMBOL(nv_register_error_cb);
int nv_unregister_error_cb(void)
{
if (nv_error_cb_handle == NULL)
return -EPERM;
nv_error_cb_handle = NULL;
return 0;
}
EXPORT_SYMBOL(nv_unregister_error_cb);
struct pci_dev;
void nv_report_error(
struct pci_dev *dev,
NvU32 error_number,
const char *format,
va_list ap
)
{
va_list ap_copy;
char *buffer;
int length = 0;
int status = NV_OK;
if (nv_error_cb_handle != NULL)
{
va_copy(ap_copy, ap);
length = vsnprintf(NULL, 0, format, ap);
va_end(ap_copy);
if (length > 0)
{
status = os_alloc_mem((void *)&buffer, (length + 1)*sizeof(char));
if (status == NV_OK)
{
vsnprintf(buffer, length, format, ap);
nv_error_cb_handle(dev, error_number, buffer, length + 1);
os_free_mem(buffer);
}
}
}
}
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