#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 */
