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109 lines
3.5 KiB
109 lines
3.5 KiB
#ifndef _HFI1_FAULT_H |
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#define _HFI1_FAULT_H |
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/* |
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* Copyright(c) 2018 Intel Corporation. |
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* |
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* This file is provided under a dual BSD/GPLv2 license. When using or |
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* redistributing this file, you may do so under either license. |
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* |
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* GPL LICENSE SUMMARY |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of version 2 of the GNU General Public License as |
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* published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope that it will be useful, but |
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* WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* General Public License for more details. |
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* |
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* BSD LICENSE |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* - Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* - Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* - Neither the name of Intel Corporation nor the names of its |
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* contributors may be used to endorse or promote products derived |
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* from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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*/ |
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#include <linux/fault-inject.h> |
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#include <linux/dcache.h> |
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#include <linux/bitops.h> |
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#include <linux/kernel.h> |
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#include <rdma/rdma_vt.h> |
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#include "hfi.h" |
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struct hfi1_ibdev; |
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#if defined(CONFIG_FAULT_INJECTION) && defined(CONFIG_FAULT_INJECTION_DEBUG_FS) |
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struct fault { |
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struct fault_attr attr; |
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struct dentry *dir; |
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u64 n_rxfaults[(1U << BITS_PER_BYTE)]; |
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u64 n_txfaults[(1U << BITS_PER_BYTE)]; |
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u64 fault_skip; |
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u64 skip; |
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u64 fault_skip_usec; |
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unsigned long skip_usec; |
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unsigned long opcodes[(1U << BITS_PER_BYTE) / BITS_PER_LONG]; |
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bool enable; |
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bool suppress_err; |
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bool opcode; |
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u8 direction; |
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}; |
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int hfi1_fault_init_debugfs(struct hfi1_ibdev *ibd); |
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bool hfi1_dbg_should_fault_tx(struct rvt_qp *qp, u32 opcode); |
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bool hfi1_dbg_should_fault_rx(struct hfi1_packet *packet); |
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bool hfi1_dbg_fault_suppress_err(struct hfi1_ibdev *ibd); |
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void hfi1_fault_exit_debugfs(struct hfi1_ibdev *ibd); |
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#else |
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static inline int hfi1_fault_init_debugfs(struct hfi1_ibdev *ibd) |
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{ |
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return 0; |
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} |
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static inline bool hfi1_dbg_should_fault_rx(struct hfi1_packet *packet) |
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{ |
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return false; |
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} |
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static inline bool hfi1_dbg_should_fault_tx(struct rvt_qp *qp, |
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u32 opcode) |
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{ |
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return false; |
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} |
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static inline bool hfi1_dbg_fault_suppress_err(struct hfi1_ibdev *ibd) |
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{ |
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return false; |
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} |
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static inline void hfi1_fault_exit_debugfs(struct hfi1_ibdev *ibd) |
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{ |
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} |
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#endif |
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#endif /* _HFI1_FAULT_H */
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