diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/usb/chipidea/trace.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/drivers/usb/chipidea/trace.h b/drivers/usb/chipidea/trace.h new file mode 100644 index 000000000..ca0e65b48 --- /dev/null +++ b/drivers/usb/chipidea/trace.h @@ -0,0 +1,92 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Trace support header file for device mode + * + * Copyright (C) 2020 NXP + * + * Author: Peter Chen <peter.chen@nxp.com> + */ + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM chipidea + +#if !defined(__LINUX_CHIPIDEA_TRACE) || defined(TRACE_HEADER_MULTI_READ) +#define __LINUX_CHIPIDEA_TRACE + +#include <linux/types.h> +#include <linux/tracepoint.h> +#include <linux/usb/chipidea.h> +#include "ci.h" +#include "udc.h" + +#define CHIPIDEA_MSG_MAX 500 + +void ci_log(struct ci_hdrc *ci, const char *fmt, ...); + +TRACE_EVENT(ci_log, + TP_PROTO(struct ci_hdrc *ci, struct va_format *vaf), + TP_ARGS(ci, vaf), + TP_STRUCT__entry( + __string(name, dev_name(ci->dev)) + __vstring(msg, vaf->fmt, vaf->va) + ), + TP_fast_assign( + __assign_str(name, dev_name(ci->dev)); + __assign_vstr(msg, vaf->fmt, vaf->va); + ), + TP_printk("%s: %s", __get_str(name), __get_str(msg)) +); + +DECLARE_EVENT_CLASS(ci_log_trb, + TP_PROTO(struct ci_hw_ep *hwep, struct ci_hw_req *hwreq, struct td_node *td), + TP_ARGS(hwep, hwreq, td), + TP_STRUCT__entry( + __string(name, hwep->name) + __field(struct td_node *, td) + __field(struct usb_request *, req) + __field(dma_addr_t, dma) + __field(s32, td_remaining_size) + __field(u32, next) + __field(u32, token) + __field(u32, type) + ), + TP_fast_assign( + __assign_str(name, hwep->name); + __entry->req = &hwreq->req; + __entry->td = td; + __entry->dma = td->dma; + __entry->td_remaining_size = td->td_remaining_size; + __entry->next = le32_to_cpu(td->ptr->next); + __entry->token = le32_to_cpu(td->ptr->token); + __entry->type = usb_endpoint_type(hwep->ep.desc); + ), + TP_printk("%s: req: %p, td: %p, td_dma_address: %pad, remaining_size: %d, " + "next: %x, total bytes: %d, status: %lx", + __get_str(name), __entry->req, __entry->td, &__entry->dma, + __entry->td_remaining_size, __entry->next, + (int)((__entry->token & TD_TOTAL_BYTES) >> __ffs(TD_TOTAL_BYTES)), + __entry->token & TD_STATUS + ) +); + +DEFINE_EVENT(ci_log_trb, ci_prepare_td, + TP_PROTO(struct ci_hw_ep *hwep, struct ci_hw_req *hwreq, struct td_node *td), + TP_ARGS(hwep, hwreq, td) +); + +DEFINE_EVENT(ci_log_trb, ci_complete_td, + TP_PROTO(struct ci_hw_ep *hwep, struct ci_hw_req *hwreq, struct td_node *td), + TP_ARGS(hwep, hwreq, td) +); + +#endif /* __LINUX_CHIPIDEA_TRACE */ + +/* this part must be outside header guard */ + +#undef TRACE_INCLUDE_PATH +#define TRACE_INCLUDE_PATH . + +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_FILE trace + +#include <trace/define_trace.h> |