cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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amdtp-stream-trace.h (2537B)

      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 * amdtp-stream-trace.h - tracepoint definitions to dump a part of packet data
      4 *
      5 * Copyright (c) 2016 Takashi Sakamoto
      6 */
      7
      8#undef TRACE_SYSTEM
      9#define TRACE_SYSTEM		snd_firewire_lib
     10
     11#if !defined(_AMDTP_STREAM_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
     12#define _AMDTP_STREAM_TRACE_H
     13
     14#include <linux/tracepoint.h>
     15
     16TRACE_EVENT(amdtp_packet,
     17	TP_PROTO(const struct amdtp_stream *s, u32 cycles, const __be32 *cip_header, unsigned int payload_length, unsigned int data_blocks, unsigned int data_block_counter, unsigned int packet_index, unsigned int index),
     18	TP_ARGS(s, cycles, cip_header, payload_length, data_blocks, data_block_counter, packet_index, index),
     19	TP_STRUCT__entry(
     20		__field(unsigned int, second)
     21		__field(unsigned int, cycle)
     22		__field(int, channel)
     23		__field(int, src)
     24		__field(int, dest)
     25		__dynamic_array(u8, cip_header, cip_header ? 8 : 0)
     26		__field(unsigned int, payload_quadlets)
     27		__field(unsigned int, data_blocks)
     28		__field(unsigned int, data_block_counter)
     29		__field(unsigned int, packet_index)
     30		__field(unsigned int, irq)
     31		__field(unsigned int, index)
     32	),
     33	TP_fast_assign(
     34		__entry->second = cycles / CYCLES_PER_SECOND;
     35		__entry->cycle = cycles % CYCLES_PER_SECOND;
     36		__entry->channel = s->context->channel;
     37		if (s->direction == AMDTP_IN_STREAM) {
     38			__entry->src = fw_parent_device(s->unit)->node_id;
     39			__entry->dest = fw_parent_device(s->unit)->card->node_id;
     40		} else {
     41			__entry->src = fw_parent_device(s->unit)->card->node_id;
     42			__entry->dest = fw_parent_device(s->unit)->node_id;
     43		}
     44		if (cip_header) {
     45			memcpy(__get_dynamic_array(cip_header), cip_header,
     46			       __get_dynamic_array_len(cip_header));
     47		}
     48		__entry->payload_quadlets = payload_length / sizeof(__be32);
     49		__entry->data_blocks = data_blocks;
     50		__entry->data_block_counter = data_block_counter,
     51		__entry->packet_index = packet_index;
     52		__entry->irq = !!in_softirq();
     53		__entry->index = index;
     54	),
     55	TP_printk(
     56		"%02u %04u %04x %04x %02d %03u %02u %03u %02u %01u %02u %s",
     57		__entry->second,
     58		__entry->cycle,
     59		__entry->src,
     60		__entry->dest,
     61		__entry->channel,
     62		__entry->payload_quadlets,
     63		__entry->data_blocks,
     64		__entry->data_block_counter,
     65		__entry->packet_index,
     66		__entry->irq,
     67		__entry->index,
     68		__print_array(__get_dynamic_array(cip_header),
     69			      __get_dynamic_array_len(cip_header), 1))
     70);
     71
     72#endif
     73
     74#undef TRACE_INCLUDE_PATH
     75#define TRACE_INCLUDE_PATH	.
     76#undef TRACE_INCLUDE_FILE
     77#define TRACE_INCLUDE_FILE	amdtp-stream-trace
     78#include <trace/define_trace.h>