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NVIDIA-Linux-x86_64-535.161.07-grid/kernel/nvidia/nv-report-err.h

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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.
+ */
+
+#ifndef _NV_REPORT_ERR_H_
+#define _NV_REPORT_ERR_H_
+
+/*
+ * @brief
+ *   Callback definition for obtaining XID error string and data.
+ *
+ * @param[in]    pci_dev *
+ *   Structure describring GPU PCI device.
+ * @param[in]    uint32_t
+ *   XID number
+ * @param[in]    char *
+ *   Error string with HWERR info.
+ * @param[in]    int
+ *   Length of error string.
+ */
+typedef void (*nv_report_error_cb_t)(struct pci_dev *, uint32_t, char *, int);
+
+/*
+ * @brief
+ *   Register callback function to obtain XID error string and data.
+ *
+ * @param[in]    report_error_cb
+ *   A function pointer to recieve callback.
+ *
+ * @return
+ *   0           upon successful completion.
+ *   -EINVAL     callback handle is NULL.
+ *   -EBUSY      callback handle is already registered.
+ */
+int nv_register_error_cb(nv_report_error_cb_t report_error_cb);
+
+/*
+ * @brief
+ *   Unregisters callback function handle.
+ *
+ * @return
+ *   0           upon successful completion.
+ *   -EPERM      unregister not permitted on NULL callback handle.
+ */
+int nv_unregister_error_cb(void);
+
+#endif /* _NV_REPORT_ERR_H_ */