/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */ /* * Copyright(c) 2018 Intel Corporation. */ #ifndef _HFI1_FAULT_H #define _HFI1_FAULT_H #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 */