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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trace.h (2499B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2/*
      3 * Trace support header file for device mode
      4 *
      5 * Copyright (C) 2020 NXP
      6 *
      7 * Author: Peter Chen <peter.chen@nxp.com>
      8 */
      9
     10#undef TRACE_SYSTEM
     11#define TRACE_SYSTEM chipidea
     12
     13#if !defined(__LINUX_CHIPIDEA_TRACE) || defined(TRACE_HEADER_MULTI_READ)
     14#define __LINUX_CHIPIDEA_TRACE
     15
     16#include <linux/types.h>
     17#include <linux/tracepoint.h>
     18#include <linux/usb/chipidea.h>
     19#include "ci.h"
     20#include "udc.h"
     21
     22#define CHIPIDEA_MSG_MAX	500
     23
     24void ci_log(struct ci_hdrc *ci, const char *fmt, ...);
     25
     26TRACE_EVENT(ci_log,
     27	TP_PROTO(struct ci_hdrc *ci, struct va_format *vaf),
     28	TP_ARGS(ci, vaf),
     29	TP_STRUCT__entry(
     30		__string(name, dev_name(ci->dev))
     31		__dynamic_array(char, msg, CHIPIDEA_MSG_MAX)
     32	),
     33	TP_fast_assign(
     34		__assign_str(name, dev_name(ci->dev));
     35		vsnprintf(__get_str(msg), CHIPIDEA_MSG_MAX, vaf->fmt, *vaf->va);
     36	),
     37	TP_printk("%s: %s", __get_str(name), __get_str(msg))
     38);
     39
     40DECLARE_EVENT_CLASS(ci_log_trb,
     41	TP_PROTO(struct ci_hw_ep *hwep, struct ci_hw_req *hwreq, struct td_node *td),
     42	TP_ARGS(hwep, hwreq, td),
     43	TP_STRUCT__entry(
     44		__string(name, hwep->name)
     45		__field(struct td_node *, td)
     46		__field(struct usb_request *, req)
     47		__field(dma_addr_t, dma)
     48		__field(s32, td_remaining_size)
     49		__field(u32, next)
     50		__field(u32, token)
     51		__field(u32, type)
     52	),
     53	TP_fast_assign(
     54		__assign_str(name, hwep->name);
     55		__entry->req = &hwreq->req;
     56		__entry->td = td;
     57		__entry->dma = td->dma;
     58		__entry->td_remaining_size = td->td_remaining_size;
     59		__entry->next = le32_to_cpu(td->ptr->next);
     60		__entry->token = le32_to_cpu(td->ptr->token);
     61		__entry->type = usb_endpoint_type(hwep->ep.desc);
     62	),
     63	TP_printk("%s: req: %p, td: %p, td_dma_address: %pad, remaining_size: %d, "
     64	       "next: %x, total bytes: %d, status: %lx",
     65		__get_str(name), __entry->req, __entry->td, &__entry->dma,
     66		__entry->td_remaining_size, __entry->next,
     67		(int)((__entry->token & TD_TOTAL_BYTES) >> __ffs(TD_TOTAL_BYTES)),
     68		__entry->token & TD_STATUS
     69	)
     70);
     71
     72DEFINE_EVENT(ci_log_trb, ci_prepare_td,
     73	TP_PROTO(struct ci_hw_ep *hwep, struct ci_hw_req *hwreq, struct td_node *td),
     74	TP_ARGS(hwep, hwreq, td)
     75);
     76
     77DEFINE_EVENT(ci_log_trb, ci_complete_td,
     78	TP_PROTO(struct ci_hw_ep *hwep, struct ci_hw_req *hwreq, struct td_node *td),
     79	TP_ARGS(hwep, hwreq, td)
     80);
     81
     82#endif /* __LINUX_CHIPIDEA_TRACE */
     83
     84/* this part must be outside header guard */
     85
     86#undef TRACE_INCLUDE_PATH
     87#define TRACE_INCLUDE_PATH .
     88
     89#undef TRACE_INCLUDE_FILE
     90#define TRACE_INCLUDE_FILE trace
     91
     92#include <trace/define_trace.h>