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linux/drivers/infiniband/hw/hfi1/trace.c
Don Hiatt 43a68c35c7 IB/hfi1: Add 16B Management Packet trace support 
Add trace support for 16B Management Packets.

Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Don Hiatt <don.hiatt@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2018-05-24 09:39:25 -06:00

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/*
* Copyright(c) 2015 - 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.
*
*/
#define CREATE_TRACE_POINTS
#include "trace.h"
static u8 __get_ib_hdr_len(struct ib_header *hdr)
{
struct ib_other_headers *ohdr;
u8 opcode;
if (ib_get_lnh(hdr) == HFI1_LRH_BTH)
ohdr = &hdr->u.oth;
else
ohdr = &hdr->u.l.oth;
opcode = ib_bth_get_opcode(ohdr);
return hdr_len_by_opcode[opcode] == 0 ?
0 : hdr_len_by_opcode[opcode] - (12 + 8);
}
static u8 __get_16b_hdr_len(struct hfi1_16b_header *hdr)
{
struct ib_other_headers *ohdr = NULL;
u8 opcode;
u8 l4 = hfi1_16B_get_l4(hdr);
if (l4 == OPA_16B_L4_FM) {
opcode = IB_OPCODE_UD_SEND_ONLY;
return (8 + 8); /* No BTH */
}
if (l4 == OPA_16B_L4_IB_LOCAL)
ohdr = &hdr->u.oth;
else
ohdr = &hdr->u.l.oth;
opcode = ib_bth_get_opcode(ohdr);
return hdr_len_by_opcode[opcode] == 0 ?
0 : hdr_len_by_opcode[opcode] - (12 + 8 + 8);
}
u8 hfi1_trace_packet_hdr_len(struct hfi1_packet *packet)
{
if (packet->etype != RHF_RCV_TYPE_BYPASS)
return __get_ib_hdr_len(packet->hdr);
else
return __get_16b_hdr_len(packet->hdr);
}
u8 hfi1_trace_opa_hdr_len(struct hfi1_opa_header *opa_hdr)
{
if (!opa_hdr->hdr_type)
return __get_ib_hdr_len(&opa_hdr->ibh);
else
return __get_16b_hdr_len(&opa_hdr->opah);
}
const char *hfi1_trace_get_packet_l4_str(u8 l4)
{
if (l4)
return "16B";
else
return "9B";
}
const char *hfi1_trace_get_packet_l2_str(u8 l2)
{
switch (l2) {
case 0:
return "0";
case 1:
return "1";
case 2:
return "16B";
case 3:
return "9B";
}
return "";
}
#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 IETH_PRN "ieth rkey:0x%.8x"
#define ATOMICACKETH_PRN "origdata:%llx"
#define ATOMICETH_PRN "vaddr:0x%llx rkey:0x%.8x sdata:%llx cdata:%llx"
#define OP(transport, op) IB_OPCODE_## transport ## _ ## op
static const char *parse_syndrome(u8 syndrome)
{
switch (syndrome >> 5) {
case 0:
return "ACK";
case 1:
return "RNRNAK";
case 3:
return "NAK";
}
return "";
}
void hfi1_trace_parse_9b_bth(struct ib_other_headers *ohdr,
u8 *ack, bool *becn, bool *fecn, u8 *mig,
u8 *se, u8 *pad, u8 *opcode, u8 *tver,
u16 *pkey, u32 *psn, u32 *qpn)
{
*ack = ib_bth_get_ackreq(ohdr);
*becn = ib_bth_get_becn(ohdr);
*fecn = ib_bth_get_fecn(ohdr);
*mig = ib_bth_get_migreq(ohdr);
*se = ib_bth_get_se(ohdr);
*pad = ib_bth_get_pad(ohdr);
*opcode = ib_bth_get_opcode(ohdr);
*tver = ib_bth_get_tver(ohdr);
*pkey = ib_bth_get_pkey(ohdr);
*psn = mask_psn(ib_bth_get_psn(ohdr));
*qpn = ib_bth_get_qpn(ohdr);
}
void hfi1_trace_parse_16b_bth(struct ib_other_headers *ohdr,
u8 *ack, u8 *mig, u8 *opcode,
u8 *pad, u8 *se, u8 *tver,
u32 *psn, u32 *qpn)
{
*ack = ib_bth_get_ackreq(ohdr);
*mig = ib_bth_get_migreq(ohdr);
*opcode = ib_bth_get_opcode(ohdr);
*pad = ib_bth_get_pad(ohdr);
*se = ib_bth_get_se(ohdr);
*tver = ib_bth_get_tver(ohdr);
*psn = mask_psn(ib_bth_get_psn(ohdr));
*qpn = ib_bth_get_qpn(ohdr);
}
void hfi1_trace_parse_9b_hdr(struct ib_header *hdr, bool sc5,
u8 *lnh, u8 *lver, u8 *sl, u8 *sc,
u16 *len, u32 *dlid, u32 *slid)
{
*lnh = ib_get_lnh(hdr);
*lver = ib_get_lver(hdr);
*sl = ib_get_sl(hdr);
*sc = ib_get_sc(hdr) | (sc5 << 4);
*len = ib_get_len(hdr);
*dlid = ib_get_dlid(hdr);
*slid = ib_get_slid(hdr);
}
void hfi1_trace_parse_16b_hdr(struct hfi1_16b_header *hdr,
u8 *age, bool *becn, bool *fecn,
u8 *l4, u8 *rc, u8 *sc,
u16 *entropy, u16 *len, u16 *pkey,
u32 *dlid, u32 *slid)
{
*age = hfi1_16B_get_age(hdr);
*becn = hfi1_16B_get_becn(hdr);
*fecn = hfi1_16B_get_fecn(hdr);
*l4 = hfi1_16B_get_l4(hdr);
*rc = hfi1_16B_get_rc(hdr);
*sc = hfi1_16B_get_sc(hdr);
*entropy = hfi1_16B_get_entropy(hdr);
*len = hfi1_16B_get_len(hdr);
*pkey = hfi1_16B_get_pkey(hdr);
*dlid = hfi1_16B_get_dlid(hdr);
*slid = hfi1_16B_get_slid(hdr);
}
#define LRH_PRN "len:%d sc:%d dlid:0x%.4x slid:0x%.4x "
#define LRH_9B_PRN "lnh:%d,%s lver:%d sl:%d"
#define LRH_16B_PRN "age:%d becn:%d fecn:%d l4:%d " \
"rc:%d sc:%d pkey:0x%.4x entropy:0x%.4x"
const char *hfi1_trace_fmt_lrh(struct trace_seq *p, bool bypass,
u8 age, bool becn, bool fecn, u8 l4,
u8 lnh, const char *lnh_name, u8 lver,
u8 rc, u8 sc, u8 sl, u16 entropy,
u16 len, u16 pkey, u32 dlid, u32 slid)
{
const char *ret = trace_seq_buffer_ptr(p);
trace_seq_printf(p, LRH_PRN, len, sc, dlid, slid);
if (bypass)
trace_seq_printf(p, LRH_16B_PRN,
age, becn, fecn, l4, rc, sc, pkey, entropy);
else
trace_seq_printf(p, LRH_9B_PRN,
lnh, lnh_name, lver, sl);
trace_seq_putc(p, 0);
return ret;
}
#define BTH_9B_PRN \
"op:0x%.2x,%s se:%d m:%d pad:%d tver:%d pkey:0x%.4x " \
"f:%d b:%d qpn:0x%.6x a:%d psn:0x%.8x"
#define BTH_16B_PRN \
"op:0x%.2x,%s se:%d m:%d pad:%d tver:%d " \
"qpn:0x%.6x a:%d psn:0x%.8x"
#define L4_FM_16B_PRN \
"op:0x%.2x,%s dest_qpn:0x%.6x src_qpn:0x%.6x"
const char *hfi1_trace_fmt_rest(struct trace_seq *p, bool bypass, u8 l4,
u8 ack, bool becn, bool fecn, u8 mig,
u8 se, u8 pad, u8 opcode, const char *opname,
u8 tver, u16 pkey, u32 psn, u32 qpn,
u32 dest_qpn, u32 src_qpn)
{
const char *ret = trace_seq_buffer_ptr(p);
if (bypass)
if (l4 == OPA_16B_L4_FM)
trace_seq_printf(p, L4_FM_16B_PRN,
opcode, opname, dest_qpn, src_qpn);
else
trace_seq_printf(p, BTH_16B_PRN,
opcode, opname,
se, mig, pad, tver, qpn, ack, psn);
else
trace_seq_printf(p, BTH_9B_PRN,
opcode, opname,
se, mig, pad, tver, pkey, fecn, becn,
qpn, ack, psn);
trace_seq_putc(p, 0);
return ret;
}
const char *parse_everbs_hdrs(
struct trace_seq *p,
u8 opcode, u8 l4, u32 dest_qpn, u32 src_qpn,
void *ehdrs)
{
union ib_ehdrs *eh = ehdrs;
const char *ret = trace_seq_buffer_ptr(p);
if (l4 == OPA_16B_L4_FM) {
trace_seq_printf(p, "mgmt pkt");
goto out;
}
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,
get_ib_reth_vaddr(&eh->rc.reth),
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,
get_ib_reth_vaddr(&eh->rc.reth),
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) & IB_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) & IB_MSN_MASK,
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,
get_ib_ateth_vaddr(&eh->atomic_eth),
eh->atomic_eth.rkey,
get_ib_ateth_swap(&eh->atomic_eth),
get_ib_ateth_compare(&eh->atomic_eth));
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;
/* ieth */
case OP(RC, SEND_LAST_WITH_INVALIDATE):
case OP(RC, SEND_ONLY_WITH_INVALIDATE):
trace_seq_printf(p, IETH_PRN,
be32_to_cpu(eh->ieth));
break;
}
out:
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;
}
__hfi1_trace_fn(AFFINITY);
__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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