65 lines
2.5 KiB
C
65 lines
2.5 KiB
C
/*
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* SPDX-FileCopyrightText: Copyright (c) 2014 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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#ifndef _NVLINK_LINUX_H_
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#define _NVLINK_LINUX_H_
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#include <linux/init.h> // for entry/exit macros
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#include <linux/sched.h> // for "struct task_struct"
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#include <linux/kernel.h> // for printk priority macros
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#include <linux/fs.h>
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#define NVLINK_DEVICE_NAME "nvidia-nvlink"
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#define NVLINK_NUM_MINOR_DEVICES 1
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/*
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* @Brief : Debug Breakpoint implementation
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*
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* @Description :
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*
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* @returns void
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*/
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static inline void
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dbg_breakpoint(void)
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{
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/* OS specific breakpoint implemented for NVLink library */
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#if defined(DEBUG)
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#if defined(CONFIG_X86_REMOTE_DEBUG) || defined(CONFIG_KGDB) || defined(CONFIG_XMON)
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#if defined(NVCPU_X86) || defined(NVCPU_X86_64)
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__asm__ __volatile__ ("int $3");
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#elif defined(NVCPU_ARM)
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__asm__ __volatile__ (".word %c0" :: "i" (KGDB_COMPILED_BREAK));
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#elif defined(NVCPU_AARCH64)
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# warning "Need to implement dbg_breakpoint() for aarch64"
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#elif defined(NVCPU_PPC64LE)
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__asm__ __volatile__ ("trap");
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#endif /* NVCPU_X86 || NVCPU_X86_64 */
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#elif defined(CONFIG_KDB)
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KDB_ENTER();
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#endif /* CONFIG_X86_REMOTE_DEBUG || CONFIG_KGDB || CONFIG_XMON */
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#endif /* DEBUG */
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}
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#endif //_NVLINK_LINUX_H_
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