linux/drivers/infiniband/hw/hfi1/debugfs.h

132 lines
3.7 KiB
C

#ifndef _HFI1_DEBUGFS_H
#define _HFI1_DEBUGFS_H
/*
* Copyright(c) 2015, 2016 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.
*
*/
struct hfi1_ibdev;
#ifdef CONFIG_DEBUG_FS
void hfi1_dbg_ibdev_init(struct hfi1_ibdev *ibd);
void hfi1_dbg_ibdev_exit(struct hfi1_ibdev *ibd);
void hfi1_dbg_init(void);
void hfi1_dbg_exit(void);
#ifdef CONFIG_FAULT_INJECTION
#include <linux/fault-inject.h>
struct fault_opcode {
struct fault_attr attr;
struct dentry *dir;
bool fault_by_opcode;
u64 n_rxfaults[256];
u64 n_txfaults[256];
u8 opcode;
u8 mask;
};
struct fault_packet {
struct fault_attr attr;
struct dentry *dir;
bool fault_by_packet;
u64 n_faults;
};
bool hfi1_dbg_fault_opcode(struct rvt_qp *qp, u32 opcode, bool rx);
bool hfi1_dbg_fault_packet(struct hfi1_packet *packet);
bool hfi1_dbg_fault_suppress_err(struct hfi1_ibdev *ibd);
#else
static inline bool hfi1_dbg_fault_packet(struct hfi1_packet *packet)
{
return false;
}
static inline bool hfi1_dbg_fault_opcode(struct rvt_qp *qp,
u32 opcode, bool rx)
{
return false;
}
static inline bool hfi1_dbg_fault_suppress_err(struct hfi1_ibdev *ibd)
{
return false;
}
#endif
#else
static inline void hfi1_dbg_ibdev_init(struct hfi1_ibdev *ibd)
{
}
static inline void hfi1_dbg_ibdev_exit(struct hfi1_ibdev *ibd)
{
}
static inline void hfi1_dbg_init(void)
{
}
static inline void hfi1_dbg_exit(void)
{
}
static inline bool hfi1_dbg_fault_packet(struct hfi1_packet *packet)
{
return false;
}
static inline bool hfi1_dbg_fault_opcode(struct rvt_qp *qp,
u32 opcode, bool rx)
{
return false;
}
static inline bool hfi1_dbg_fault_suppress_err(struct hfi1_ibdev *ibd)
{
return false;
}
#endif
#endif /* _HFI1_DEBUGFS_H */