source = async_header_get_source(p->header);
rcode = async_header_get_rcode(p->header);
- spin_lock_irqsave(&card->lock, flags);
- list_for_each_entry(iter, &card->transaction_list, link) {
- if (iter->node_id == source && iter->tlabel == tlabel) {
- if (!try_cancel_split_timeout(iter)) {
- spin_unlock_irqrestore(&card->lock, flags);
- goto timed_out;
- }
- list_del_init(&iter->link);
- card->tlabel_mask &= ~(1ULL << iter->tlabel);
- t = iter;
- break;
- }
- }
- spin_unlock_irqrestore(&card->lock, flags);
-
- if (!t) {
- timed_out:
- fw_notice(card, "unsolicited response (source %x, tlabel %x)\n",
- source, tlabel);
- return;
- }
-
- /*
- * FIXME: sanity check packet, is length correct, does tcodes
- * and addresses match.
- */
+ // FIXME: sanity check packet, is length correct, does tcodes
+ // and addresses match to the transaction request queried later.
+ //
+ // For the tracepoints event, let us decode the header here against the concern.
switch (tcode) {
case TCODE_READ_QUADLET_RESPONSE:
break;
}
+ spin_lock_irqsave(&card->lock, flags);
+ list_for_each_entry(iter, &card->transaction_list, link) {
+ if (iter->node_id == source && iter->tlabel == tlabel) {
+ if (!try_cancel_split_timeout(iter)) {
+ spin_unlock_irqrestore(&card->lock, flags);
+ goto timed_out;
+ }
+ list_del_init(&iter->link);
+ card->tlabel_mask &= ~(1ULL << iter->tlabel);
+ t = iter;
+ break;
+ }
+ }
+ spin_unlock_irqrestore(&card->lock, flags);
+
+ trace_async_response_inbound((uintptr_t)t, p->generation, p->speed, p->ack, p->timestamp,
+ p->header, data, data_length / 4);
+
+ if (!t) {
+ timed_out:
+ fw_notice(card, "unsolicited response (source %x, tlabel %x)\n",
+ source, tlabel);
+ return;
+ }
+
/*
* The response handler may be executed while the request handler
* is still pending. Cancel the request handler.
((((unsigned long long)((header)[1] & ASYNC_HEADER_Q1_OFFSET_HIGH_MASK)) >> ASYNC_HEADER_Q1_OFFSET_HIGH_SHIFT) << 32)| \
(header)[2]
+#define ASYNC_HEADER_GET_RCODE(header) \
+ (((header)[1] & ASYNC_HEADER_Q1_RCODE_MASK) >> ASYNC_HEADER_Q1_RCODE_SHIFT)
+
#define QUADLET_SIZE 4
DECLARE_EVENT_CLASS(async_outbound_initiate_template,
)
);
+// The value of status is one of ack codes and rcodes specific to Linux FireWire subsystem.
+DECLARE_EVENT_CLASS(async_inbound_template,
+ TP_PROTO(u64 transaction, unsigned int generation, unsigned int scode, unsigned int status, unsigned int timestamp, const u32 *header, const u32 *data, unsigned int data_count),
+ TP_ARGS(transaction, generation, scode, status, timestamp, header, data, data_count),
+ TP_STRUCT__entry(
+ __field(u64, transaction)
+ __field(u8, generation)
+ __field(u8, scode)
+ __field(u8, status)
+ __field(u8, timestamp)
+ __array(u32, header, ASYNC_HEADER_QUADLET_COUNT)
+ __dynamic_array(u32, data, data_count)
+ ),
+ TP_fast_assign(
+ __entry->transaction = transaction;
+ __entry->generation = generation;
+ __entry->scode = scode;
+ __entry->status = status;
+ __entry->timestamp = timestamp;
+ memcpy(__entry->header, header, QUADLET_SIZE * ASYNC_HEADER_QUADLET_COUNT);
+ memcpy(__get_dynamic_array(data), data, __get_dynamic_array_len(data));
+ ),
+ // This format is for the response subaction.
+ TP_printk(
+ "transaction=0x%llx generation=%u scode=%u status=%u timestamp=0x%04x dst_id=0x%04x tlabel=%u tcode=%u src_id=0x%04x rcode=%u header=%s data=%s",
+ __entry->transaction,
+ __entry->generation,
+ __entry->scode,
+ __entry->status,
+ __entry->timestamp,
+ ASYNC_HEADER_GET_DESTINATION(__entry->header),
+ ASYNC_HEADER_GET_TLABEL(__entry->header),
+ ASYNC_HEADER_GET_TCODE(__entry->header),
+ ASYNC_HEADER_GET_SOURCE(__entry->header),
+ ASYNC_HEADER_GET_RCODE(__entry->header),
+ __print_array(__entry->header, ASYNC_HEADER_QUADLET_COUNT, QUADLET_SIZE),
+ __print_array(__get_dynamic_array(data),
+ __get_dynamic_array_len(data) / QUADLET_SIZE, QUADLET_SIZE)
+ )
+);
+
DEFINE_EVENT(async_outbound_initiate_template, async_request_outbound_initiate,
TP_PROTO(u64 transaction, unsigned int generation, unsigned int scode, const u32 *header, const u32 *data, unsigned int data_count),
TP_ARGS(transaction, generation, scode, header, data, data_count)
TP_ARGS(transaction, generation, scode, status, timestamp)
);
+DEFINE_EVENT(async_inbound_template, async_response_inbound,
+ TP_PROTO(u64 transaction, unsigned int generation, unsigned int scode, unsigned int status, unsigned int timestamp, const u32 *header, const u32 *data, unsigned int data_count),
+ TP_ARGS(transaction, generation, scode, status, timestamp, header, data, data_count)
+);
+
#undef ASYNC_HEADER_GET_DESTINATION
#undef ASYNC_HEADER_GET_TLABEL
#undef ASYNC_HEADER_GET_TCODE
#undef ASYNC_HEADER_GET_SOURCE
#undef ASYNC_HEADER_GET_OFFSET
+#undef ASYNC_HEADER_GET_RCODE
#undef QUADLET_SIZE
#endif // _FIREWIRE_TRACE_EVENT_H