drivers/infiniband/hw/hfi1/trace.c - kernel/quantenna - Git at Google

 /*
  * 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 IETH_PRN "ieth rkey 0x%.8x"
 #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;
 	/* 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;
 	}
 	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(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);
	/*
	* 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 IETH_PRN "ieth rkey 0x%.8x"
	#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;
	/* 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;
	}
	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(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);