Loading...
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 | #ifndef _HFI1_FAULT_H #define _HFI1_FAULT_H /* * Copyright(c) 2018 Intel Corporation. * * This file is provided under a dual BSD/GPLv2 license. When using or * redistributing this file, you may do so under either license. * * GPL LICENSE SUMMARY * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * BSD LICENSE * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * - Neither the name of Intel Corporation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * */ #include <linux/fault-inject.h> #include <linux/dcache.h> #include <linux/bitops.h> #include <linux/kernel.h> #include <rdma/rdma_vt.h> #include "hfi.h" struct hfi1_ibdev; #if defined(CONFIG_FAULT_INJECTION) && defined(CONFIG_FAULT_INJECTION_DEBUG_FS) struct fault { struct fault_attr attr; struct dentry *dir; u64 n_rxfaults[(1U << BITS_PER_BYTE)]; u64 n_txfaults[(1U << BITS_PER_BYTE)]; u64 fault_skip; u64 skip; u64 fault_skip_usec; unsigned long skip_usec; unsigned long opcodes[(1U << BITS_PER_BYTE) / BITS_PER_LONG]; bool enable; bool suppress_err; bool opcode; u8 direction; }; int hfi1_fault_init_debugfs(struct hfi1_ibdev *ibd); bool hfi1_dbg_should_fault_tx(struct rvt_qp *qp, u32 opcode); bool hfi1_dbg_should_fault_rx(struct hfi1_packet *packet); bool hfi1_dbg_fault_suppress_err(struct hfi1_ibdev *ibd); void hfi1_fault_exit_debugfs(struct hfi1_ibdev *ibd); #else static inline int hfi1_fault_init_debugfs(struct hfi1_ibdev *ibd) { return 0; } static inline bool hfi1_dbg_should_fault_rx(struct hfi1_packet *packet) { return false; } static inline bool hfi1_dbg_should_fault_tx(struct rvt_qp *qp, u32 opcode) { return false; } static inline bool hfi1_dbg_fault_suppress_err(struct hfi1_ibdev *ibd) { return false; } static inline void hfi1_fault_exit_debugfs(struct hfi1_ibdev *ibd) { } #endif #endif /* _HFI1_FAULT_H */ |