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/*
* 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.
*
*/
#define CREATE_TRACE_POINTS
#include "trace.h"
u8 ibhdr_exhdr_len(struct hfi1_ib_header *hdr)
{
struct hfi1_other_headers *ohdr;
u8 opcode;
u8 lnh = (u8)(be16_to_cpu(hdr->lrh[0]) & 3);
if (lnh == HFI1_LRH_BTH)
ohdr = &hdr->u.oth;
else
ohdr = &hdr->u.l.oth;
opcode = be32_to_cpu(ohdr->bth[0]) >> 24;
return hdr_len_by_opcode[opcode] == 0 ?
0 : hdr_len_by_opcode[opcode] - (12 + 8);
}
#define IMM_PRN "imm %d"
#define RETH_PRN "reth vaddr 0x%.16llx rkey 0x%.8x dlen 0x%.8x"
#define AETH_PRN "aeth syn 0x%.2x %s msn 0x%.8x"
#define DETH_PRN "deth qkey 0x%.8x sqpn 0x%.6x"
#define ATOMICACKETH_PRN "origdata %lld"
#define ATOMICETH_PRN "vaddr 0x%llx rkey 0x%.8x sdata %lld cdata %lld"
#define OP(transport, op) IB_OPCODE_## transport ## _ ## op
static u64 ib_u64_get(__be32 *p)
{
return ((u64)be32_to_cpu(p[0]) << 32) | be32_to_cpu(p[1]);
}
static const char *parse_syndrome(u8 syndrome)
{
switch (syndrome >> 5) {
case 0:
return "ACK";
case 1:
return "RNRNAK";
case 3:
return "NAK";
}
return "";
}
const char *parse_everbs_hdrs(
struct trace_seq *p,
u8 opcode,
void *ehdrs)
{
union ib_ehdrs *eh = ehdrs;
const char *ret = trace_seq_buffer_ptr(p);
switch (opcode) {
/* imm */
case OP(RC, SEND_LAST_WITH_IMMEDIATE):
case OP(UC, SEND_LAST_WITH_IMMEDIATE):
case OP(RC, SEND_ONLY_WITH_IMMEDIATE):
case OP(UC, SEND_ONLY_WITH_IMMEDIATE):
case OP(RC, RDMA_WRITE_LAST_WITH_IMMEDIATE):
case OP(UC, RDMA_WRITE_LAST_WITH_IMMEDIATE):
trace_seq_printf(p, IMM_PRN,
be32_to_cpu(eh->imm_data));
break;
/* reth + imm */
case OP(RC, RDMA_WRITE_ONLY_WITH_IMMEDIATE):
case OP(UC, RDMA_WRITE_ONLY_WITH_IMMEDIATE):
trace_seq_printf(p, RETH_PRN " " IMM_PRN,
(unsigned long long)ib_u64_get(
(__be32 *)&eh->rc.reth.vaddr),
be32_to_cpu(eh->rc.reth.rkey),
be32_to_cpu(eh->rc.reth.length),
be32_to_cpu(eh->rc.imm_data));
break;
/* reth */
case OP(RC, RDMA_READ_REQUEST):
case OP(RC, RDMA_WRITE_FIRST):
case OP(UC, RDMA_WRITE_FIRST):
case OP(RC, RDMA_WRITE_ONLY):
case OP(UC, RDMA_WRITE_ONLY):
trace_seq_printf(p, RETH_PRN,
(unsigned long long)ib_u64_get(
(__be32 *)&eh->rc.reth.vaddr),
be32_to_cpu(eh->rc.reth.rkey),
be32_to_cpu(eh->rc.reth.length));
break;
case OP(RC, RDMA_READ_RESPONSE_FIRST):
case OP(RC, RDMA_READ_RESPONSE_LAST):
case OP(RC, RDMA_READ_RESPONSE_ONLY):
case OP(RC, ACKNOWLEDGE):
trace_seq_printf(p, AETH_PRN, be32_to_cpu(eh->aeth) >> 24,
parse_syndrome(be32_to_cpu(eh->aeth) >> 24),
be32_to_cpu(eh->aeth) & HFI1_MSN_MASK);
break;
/* aeth + atomicacketh */
case OP(RC, ATOMIC_ACKNOWLEDGE):
trace_seq_printf(p, AETH_PRN " " ATOMICACKETH_PRN,
be32_to_cpu(eh->at.aeth) >> 24,
parse_syndrome(be32_to_cpu(eh->at.aeth) >> 24),
be32_to_cpu(eh->at.aeth) & HFI1_MSN_MASK,
(unsigned long long)
ib_u64_get(eh->at.atomic_ack_eth));
break;
/* atomiceth */
case OP(RC, COMPARE_SWAP):
case OP(RC, FETCH_ADD):
trace_seq_printf(p, ATOMICETH_PRN,
(unsigned long long)ib_u64_get(
eh->atomic_eth.vaddr),
eh->atomic_eth.rkey,
(unsigned long long)ib_u64_get(
(__be32 *)&eh->atomic_eth.swap_data),
(unsigned long long)ib_u64_get(
(__be32 *)&eh->atomic_eth.compare_data));
break;
/* deth */
case OP(UD, SEND_ONLY):
case OP(UD, SEND_ONLY_WITH_IMMEDIATE):
trace_seq_printf(p, DETH_PRN,
be32_to_cpu(eh->ud.deth[0]),
be32_to_cpu(eh->ud.deth[1]) & RVT_QPN_MASK);
break;
}
trace_seq_putc(p, 0);
return ret;
}
const char *parse_sdma_flags(
struct trace_seq *p,
u64 desc0, u64 desc1)
{
const char *ret = trace_seq_buffer_ptr(p);
char flags[5] = { 'x', 'x', 'x', 'x', 0 };
flags[0] = (desc1 & SDMA_DESC1_INT_REQ_FLAG) ? 'I' : '-';
flags[1] = (desc1 & SDMA_DESC1_HEAD_TO_HOST_FLAG) ? 'H' : '-';
flags[2] = (desc0 & SDMA_DESC0_FIRST_DESC_FLAG) ? 'F' : '-';
flags[3] = (desc0 & SDMA_DESC0_LAST_DESC_FLAG) ? 'L' : '-';
trace_seq_printf(p, "%s", flags);
if (desc0 & SDMA_DESC0_FIRST_DESC_FLAG)
trace_seq_printf(p, " amode:%u aidx:%u alen:%u",
(u8)((desc1 >> SDMA_DESC1_HEADER_MODE_SHIFT) &
SDMA_DESC1_HEADER_MODE_MASK),
(u8)((desc1 >> SDMA_DESC1_HEADER_INDEX_SHIFT) &
SDMA_DESC1_HEADER_INDEX_MASK),
(u8)((desc1 >> SDMA_DESC1_HEADER_DWS_SHIFT) &
SDMA_DESC1_HEADER_DWS_MASK));
return ret;
}
const char *print_u32_array(
struct trace_seq *p,
u32 *arr, int len)
{
int i;
const char *ret = trace_seq_buffer_ptr(p);
for (i = 0; i < len ; i++)
trace_seq_printf(p, "%s%#x", i == 0 ? "" : " ", arr[i]);
trace_seq_putc(p, 0);
return ret;
}
const char *print_u64_array(
struct trace_seq *p,
u64 *arr, int len)
{
int i;
const char *ret = trace_seq_buffer_ptr(p);
for (i = 0; i < len; i++)
trace_seq_printf(p, "%s0x%016llx", i == 0 ? "" : " ", arr[i]);
trace_seq_putc(p, 0);
return ret;
}
__hfi1_trace_fn(PKT);
__hfi1_trace_fn(PROC);
__hfi1_trace_fn(SDMA);
__hfi1_trace_fn(LINKVERB);
__hfi1_trace_fn(DEBUG);
__hfi1_trace_fn(SNOOP);
__hfi1_trace_fn(CNTR);
__hfi1_trace_fn(PIO);
__hfi1_trace_fn(DC8051);
__hfi1_trace_fn(FIRMWARE);
__hfi1_trace_fn(RCVCTRL);
__hfi1_trace_fn(TID);
__hfi1_trace_fn(MMU);
__hfi1_trace_fn(IOCTL);
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