cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

amdtp-motu-trace.h (2551B)

      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 * amdtp-motu-trace.h - tracepoint definitions to dump a part of packet data
      4 *
      5 * Copyright (c) 2017 Takashi Sakamoto
      6 */
      7
      8#undef TRACE_SYSTEM
      9#define TRACE_SYSTEM		snd_firewire_motu
     10
     11#if !defined(_SND_FIREWIRE_MOTU_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
     12#define _SND_FIREWIRE_MOTU_TRACE_H
     13
     14#include <linux/tracepoint.h>
     15
     16static void copy_sph(u32 *frame, __be32 *buffer, unsigned int data_blocks,
     17		     unsigned int data_block_quadlets);
     18static void copy_message(u64 *frames, __be32 *buffer, unsigned int data_blocks,
     19			 unsigned int data_block_quadlets);
     20
     21TRACE_EVENT(data_block_sph,
     22	TP_PROTO(struct amdtp_stream *s, unsigned int data_blocks, __be32 *buffer),
     23	TP_ARGS(s, data_blocks, buffer),
     24	TP_STRUCT__entry(
     25		__field(int, src)
     26		__field(int, dst)
     27		__field(unsigned int, data_blocks)
     28		__dynamic_array(u32, tstamps, data_blocks)
     29	),
     30	TP_fast_assign(
     31		if (s->direction == AMDTP_IN_STREAM) {
     32			__entry->src = fw_parent_device(s->unit)->node_id;
     33			__entry->dst = fw_parent_device(s->unit)->card->node_id;
     34		} else {
     35			__entry->src = fw_parent_device(s->unit)->card->node_id;
     36			__entry->dst = fw_parent_device(s->unit)->node_id;
     37		}
     38		__entry->data_blocks = data_blocks;
     39		copy_sph(__get_dynamic_array(tstamps), buffer, data_blocks, s->data_block_quadlets);
     40	),
     41	TP_printk(
     42		"%04x %04x %u %s",
     43		__entry->src,
     44		__entry->dst,
     45		__entry->data_blocks,
     46		__print_array(__get_dynamic_array(tstamps), __entry->data_blocks, 4)
     47	)
     48);
     49
     50TRACE_EVENT(data_block_message,
     51	TP_PROTO(struct amdtp_stream *s, unsigned int data_blocks, __be32 *buffer),
     52	TP_ARGS(s, data_blocks, buffer),
     53	TP_STRUCT__entry(
     54		__field(int, src)
     55		__field(int, dst)
     56		__field(unsigned int, data_blocks)
     57		__dynamic_array(u64, messages, data_blocks)
     58	),
     59	TP_fast_assign(
     60		if (s->direction == AMDTP_IN_STREAM) {
     61			__entry->src = fw_parent_device(s->unit)->node_id;
     62			__entry->dst = fw_parent_device(s->unit)->card->node_id;
     63		} else {
     64			__entry->src = fw_parent_device(s->unit)->card->node_id;
     65			__entry->dst = fw_parent_device(s->unit)->node_id;
     66		}
     67		__entry->data_blocks = data_blocks;
     68		copy_message(__get_dynamic_array(messages), buffer, data_blocks, s->data_block_quadlets);
     69	),
     70	TP_printk(
     71		"%04x %04x %u %s",
     72		__entry->src,
     73		__entry->dst,
     74		__entry->data_blocks,
     75		__print_array(__get_dynamic_array(messages), __entry->data_blocks, 8)
     76	)
     77);
     78
     79#endif
     80
     81#undef TRACE_INCLUDE_PATH
     82#define TRACE_INCLUDE_PATH	.
     83#undef TRACE_INCLUDE_FILE
     84#define TRACE_INCLUDE_FILE	amdtp-motu-trace
     85#include <trace/define_trace.h>