70 lines · c
1/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */2/*3 * Copyright(c) 2018 Intel Corporation.4 */5 6#ifndef _HFI1_FAULT_H7#define _HFI1_FAULT_H8 9#include <linux/fault-inject.h>10#include <linux/dcache.h>11#include <linux/bitops.h>12#include <linux/kernel.h>13#include <rdma/rdma_vt.h>14 15#include "hfi.h"16 17struct hfi1_ibdev;18 19#if defined(CONFIG_FAULT_INJECTION) && defined(CONFIG_FAULT_INJECTION_DEBUG_FS)20struct fault {21 struct fault_attr attr;22 struct dentry *dir;23 u64 n_rxfaults[(1U << BITS_PER_BYTE)];24 u64 n_txfaults[(1U << BITS_PER_BYTE)];25 u64 fault_skip;26 u64 skip;27 u64 fault_skip_usec;28 unsigned long skip_usec;29 unsigned long opcodes[(1U << BITS_PER_BYTE) / BITS_PER_LONG];30 bool enable;31 bool suppress_err;32 bool opcode;33 u8 direction;34};35 36int hfi1_fault_init_debugfs(struct hfi1_ibdev *ibd);37bool hfi1_dbg_should_fault_tx(struct rvt_qp *qp, u32 opcode);38bool hfi1_dbg_should_fault_rx(struct hfi1_packet *packet);39bool hfi1_dbg_fault_suppress_err(struct hfi1_ibdev *ibd);40void hfi1_fault_exit_debugfs(struct hfi1_ibdev *ibd);41 42#else43 44static inline int hfi1_fault_init_debugfs(struct hfi1_ibdev *ibd)45{46 return 0;47}48 49static inline bool hfi1_dbg_should_fault_rx(struct hfi1_packet *packet)50{51 return false;52}53 54static inline bool hfi1_dbg_should_fault_tx(struct rvt_qp *qp,55 u32 opcode)56{57 return false;58}59 60static inline bool hfi1_dbg_fault_suppress_err(struct hfi1_ibdev *ibd)61{62 return false;63}64 65static inline void hfi1_fault_exit_debugfs(struct hfi1_ibdev *ibd)66{67}68#endif69#endif /* _HFI1_FAULT_H */70