linux_dsm_epyc7002/drivers/infiniband/sw/rdmavt/trace.h
Harish Chegondi e16689e492 IB/rdmavt: Add trace and error print statements in post_one_wr
These trace and error print statements would help in debugging issues which
are caused due to messed up QP ring buffer pointers.

Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Harish Chegondi <harish.chegondi@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-03-10 20:38:08 -05:00

188 lines
5.8 KiB
C

/*
* Copyright(c) 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.
*
*/
#undef TRACE_SYSTEM_VAR
#define TRACE_SYSTEM_VAR rdmavt
#if !defined(__RDMAVT_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
#define __RDMAVT_TRACE_H
#include <linux/tracepoint.h>
#include <linux/trace_seq.h>
#include <rdma/ib_verbs.h>
#include <rdma/rdma_vt.h>
#define RDI_DEV_ENTRY(rdi) __string(dev, rdi->driver_f.get_card_name(rdi))
#define RDI_DEV_ASSIGN(rdi) __assign_str(dev, rdi->driver_f.get_card_name(rdi))
#undef TRACE_SYSTEM
#define TRACE_SYSTEM rdmavt
TRACE_EVENT(rvt_dbg,
TP_PROTO(struct rvt_dev_info *rdi,
const char *msg),
TP_ARGS(rdi, msg),
TP_STRUCT__entry(
RDI_DEV_ENTRY(rdi)
__string(msg, msg)
),
TP_fast_assign(
RDI_DEV_ASSIGN(rdi);
__assign_str(msg, msg);
),
TP_printk("[%s]: %s", __get_str(dev), __get_str(msg))
);
#undef TRACE_SYSTEM
#define TRACE_SYSTEM rvt_qphash
DECLARE_EVENT_CLASS(rvt_qphash_template,
TP_PROTO(struct rvt_qp *qp, u32 bucket),
TP_ARGS(qp, bucket),
TP_STRUCT__entry(
RDI_DEV_ENTRY(ib_to_rvt(qp->ibqp.device))
__field(u32, qpn)
__field(u32, bucket)
),
TP_fast_assign(
RDI_DEV_ASSIGN(ib_to_rvt(qp->ibqp.device))
__entry->qpn = qp->ibqp.qp_num;
__entry->bucket = bucket;
),
TP_printk(
"[%s] qpn 0x%x bucket %u",
__get_str(dev),
__entry->qpn,
__entry->bucket
)
);
DEFINE_EVENT(rvt_qphash_template, rvt_qpinsert,
TP_PROTO(struct rvt_qp *qp, u32 bucket),
TP_ARGS(qp, bucket));
DEFINE_EVENT(rvt_qphash_template, rvt_qpremove,
TP_PROTO(struct rvt_qp *qp, u32 bucket),
TP_ARGS(qp, bucket));
#undef TRACE_SYSTEM
#define TRACE_SYSTEM rvt_tx
#define wr_opcode_name(opcode) { IB_WR_##opcode, #opcode }
#define show_wr_opcode(opcode) \
__print_symbolic(opcode, \
wr_opcode_name(RDMA_WRITE), \
wr_opcode_name(RDMA_WRITE_WITH_IMM), \
wr_opcode_name(SEND), \
wr_opcode_name(SEND_WITH_IMM), \
wr_opcode_name(RDMA_READ), \
wr_opcode_name(ATOMIC_CMP_AND_SWP), \
wr_opcode_name(ATOMIC_FETCH_AND_ADD), \
wr_opcode_name(LSO), \
wr_opcode_name(SEND_WITH_INV), \
wr_opcode_name(RDMA_READ_WITH_INV), \
wr_opcode_name(LOCAL_INV), \
wr_opcode_name(MASKED_ATOMIC_CMP_AND_SWP), \
wr_opcode_name(MASKED_ATOMIC_FETCH_AND_ADD))
#define POS_PRN \
"[%s] wr_id %llx qpn %x psn 0x%x lpsn 0x%x length %u opcode 0x%.2x,%s size %u avail %u head %u last %u"
TRACE_EVENT(
rvt_post_one_wr,
TP_PROTO(struct rvt_qp *qp, struct rvt_swqe *wqe),
TP_ARGS(qp, wqe),
TP_STRUCT__entry(
RDI_DEV_ENTRY(ib_to_rvt(qp->ibqp.device))
__field(u64, wr_id)
__field(u32, qpn)
__field(u32, psn)
__field(u32, lpsn)
__field(u32, length)
__field(u32, opcode)
__field(u32, size)
__field(u32, avail)
__field(u32, head)
__field(u32, last)
),
TP_fast_assign(
RDI_DEV_ASSIGN(ib_to_rvt(qp->ibqp.device))
__entry->wr_id = wqe->wr.wr_id;
__entry->qpn = qp->ibqp.qp_num;
__entry->psn = wqe->psn;
__entry->lpsn = wqe->lpsn;
__entry->length = wqe->length;
__entry->opcode = wqe->wr.opcode;
__entry->size = qp->s_size;
__entry->avail = qp->s_avail;
__entry->head = qp->s_head;
__entry->last = qp->s_last;
),
TP_printk(
POS_PRN,
__get_str(dev),
__entry->wr_id,
__entry->qpn,
__entry->psn,
__entry->lpsn,
__entry->length,
__entry->opcode, show_wr_opcode(__entry->opcode),
__entry->size,
__entry->avail,
__entry->head,
__entry->last
)
);
#endif /* __RDMAVT_TRACE_H */
#undef TRACE_INCLUDE_PATH
#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_PATH .
#define TRACE_INCLUDE_FILE trace
#include <trace/define_trace.h>