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89 lines
2.5 KiB
89 lines
2.5 KiB
/*
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* SPDX-FileCopyrightText: Copyright (c) 2017 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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* SPDX-License-Identifier: MIT
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#define __NO_VERSION__
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#include "nv-linux.h"
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#include "os-interface.h"
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#include "nv-report-err.h"
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nv_report_error_cb_t nv_error_cb_handle = NULL;
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int nv_register_error_cb(nv_report_error_cb_t report_error_cb)
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{
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if (report_error_cb == NULL)
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return -EINVAL;
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if (nv_error_cb_handle != NULL)
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return -EBUSY;
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nv_error_cb_handle = report_error_cb;
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return 0;
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}
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EXPORT_SYMBOL(nv_register_error_cb);
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int nv_unregister_error_cb(void)
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{
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if (nv_error_cb_handle == NULL)
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return -EPERM;
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nv_error_cb_handle = NULL;
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return 0;
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}
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EXPORT_SYMBOL(nv_unregister_error_cb);
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struct pci_dev;
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void nv_report_error(
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struct pci_dev *dev,
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NvU32 error_number,
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const char *format,
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va_list ap
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)
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{
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va_list ap_copy;
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char *buffer;
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int length = 0;
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int status = NV_OK;
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if (nv_error_cb_handle != NULL)
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{
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va_copy(ap_copy, ap);
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length = vsnprintf(NULL, 0, format, ap);
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va_end(ap_copy);
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if (length > 0)
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{
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status = os_alloc_mem((void *)&buffer, (length + 1)*sizeof(char));
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if (status == NV_OK)
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{
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vsnprintf(buffer, length, format, ap);
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nv_error_cb_handle(dev, error_number, buffer, length + 1);
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os_free_mem(buffer);
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}
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}
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}
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}
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