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linux_dsm_epyc7002/drivers/usb/gadget/udc/trace.h
Matthieu CASTET ac3865557b gadget event trace : add request pointer 
This allows to identify transfer request, if more than one are in queue.

This is allowed by usb_ep_queue : "Any endpoint
(except control endpoints like ep0) may have more than one transfer
request queued; they complete in FIFO order."

For example with adb gadget with function fs :

     <-transport-225   [002] d..1    47.136641: usb_ep_queue: ep1out: req ffffffc07b93ef10 length 0/24 sgs 0/0 stream 0 zsI status -115 --> 0
     ->transport-224   [000] d..1    47.153947: usb_ep_queue: ep1in: req ffffffc07c0def10 length 0/24 sgs 0/0 stream 0 zsI status -115 --> 0
              sh-452   [000] d.h2    47.153984: usb_gadget_giveback_request: ep1in: req ffffffc07c0def10 length 24/24 sgs 0/0 stream 0 zsI status 0 --> 0
              sh-452   [000] d.h.    47.154305: usb_gadget_giveback_request: ep1out: req ffffffc07b93ef10 length 24/24 sgs 0/0 stream 0 zsI status 0 --> 0
     <-transport-225   [002] d..1    47.154363: usb_ep_queue: ep1out: req ffffffc07b93ef10 length 0/21 sgs 0/0 stream 0 zsI status -115 --> 0
              sh-452   [000] d.h.    47.154378: usb_gadget_giveback_request: ep1out: req ffffffc07b93ef10 length 21/21 sgs 0/0 stream 0 zsI status 0 --> 0
     <-transport-225   [002] d..1    47.154463: usb_ep_queue: ep1out: req ffffffc07b93ef10 length 0/24 sgs 0/0 stream 0 zsI status -115 --> 0
     ->transport-224   [000] d..1    47.154583: usb_ep_queue: ep1in: req ffffffc07c0def10 length 0/24 sgs 0/0 stream 0 zsI status -115 --> 0
              sh-452   [000] d.h2    47.154600: usb_gadget_giveback_request: ep1in: req ffffffc07c0def10 length 24/24 sgs 0/0 stream 0 zsI status 0 --> 0
     ->transport-224   [000] d..1    47.164863: usb_ep_queue: ep1in: req ffffffc07c0def10 length 0/24 sgs 0/0 stream 0 zsI status -115 --> 0
     ->transport-224   [000] d.h1    47.164887: usb_gadget_giveback_request: ep1in: req ffffffc07c0def10 length 24/24 sgs 0/0 stream 0 zsI status 0 --> 0
     ->transport-224   [000] d..1    47.164907: usb_ep_queue: ep1in: req ffffffc07c0def10 length 0/122 sgs 0/0 stream 0 zsI status -115 --> 0

Signed-off-by: Matthieu CASTET <matthieu.castet@parrot.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-12-11 12:36:49 +02:00

290 lines
8.2 KiB
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// SPDX-License-Identifier: GPL-2.0
/**
* udc.c - Core UDC Framework
*
* Copyright (C) 2016 Intel Corporation
* Author: Felipe Balbi <felipe.balbi@linux.intel.com>
*/
#undef TRACE_SYSTEM
#define TRACE_SYSTEM gadget
#if !defined(__UDC_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
#define __UDC_TRACE_H
#include <linux/types.h>
#include <linux/tracepoint.h>
#include <asm/byteorder.h>
#include <linux/usb/gadget.h>
DECLARE_EVENT_CLASS(udc_log_gadget,
TP_PROTO(struct usb_gadget *g, int ret),
TP_ARGS(g, ret),
TP_STRUCT__entry(
__field(enum usb_device_speed, speed)
__field(enum usb_device_speed, max_speed)
__field(enum usb_device_state, state)
__field(unsigned, mA)
__field(unsigned, sg_supported)
__field(unsigned, is_otg)
__field(unsigned, is_a_peripheral)
__field(unsigned, b_hnp_enable)
__field(unsigned, a_hnp_support)
__field(unsigned, hnp_polling_support)
__field(unsigned, host_request_flag)
__field(unsigned, quirk_ep_out_aligned_size)
__field(unsigned, quirk_altset_not_supp)
__field(unsigned, quirk_stall_not_supp)
__field(unsigned, quirk_zlp_not_supp)
__field(unsigned, is_selfpowered)
__field(unsigned, deactivated)
__field(unsigned, connected)
__field(int, ret)
),
TP_fast_assign(
__entry->speed = g->speed;
__entry->max_speed = g->max_speed;
__entry->state = g->state;
__entry->mA = g->mA;
__entry->sg_supported = g->sg_supported;
__entry->is_otg = g->is_otg;
__entry->is_a_peripheral = g->is_a_peripheral;
__entry->b_hnp_enable = g->b_hnp_enable;
__entry->a_hnp_support = g->a_hnp_support;
__entry->hnp_polling_support = g->hnp_polling_support;
__entry->host_request_flag = g->host_request_flag;
__entry->quirk_ep_out_aligned_size = g->quirk_ep_out_aligned_size;
__entry->quirk_altset_not_supp = g->quirk_altset_not_supp;
__entry->quirk_stall_not_supp = g->quirk_stall_not_supp;
__entry->quirk_zlp_not_supp = g->quirk_zlp_not_supp;
__entry->is_selfpowered = g->is_selfpowered;
__entry->deactivated = g->deactivated;
__entry->connected = g->connected;
__entry->ret = ret;
),
TP_printk("speed %d/%d state %d %dmA [%s%s%s%s%s%s%s%s%s%s%s%s%s%s] --> %d",
__entry->speed, __entry->max_speed, __entry->state, __entry->mA,
__entry->sg_supported ? "sg:" : "",
__entry->is_otg ? "OTG:" : "",
__entry->is_a_peripheral ? "a_peripheral:" : "",
__entry->b_hnp_enable ? "b_hnp:" : "",
__entry->a_hnp_support ? "a_hnp:" : "",
__entry->hnp_polling_support ? "hnp_poll:" : "",
__entry->host_request_flag ? "hostreq:" : "",
__entry->quirk_ep_out_aligned_size ? "out_aligned:" : "",
__entry->quirk_altset_not_supp ? "no_altset:" : "",
__entry->quirk_stall_not_supp ? "no_stall:" : "",
__entry->quirk_zlp_not_supp ? "no_zlp" : "",
__entry->is_selfpowered ? "self-powered:" : "bus-powered:",
__entry->deactivated ? "deactivated:" : "activated:",
__entry->connected ? "connected" : "disconnected",
__entry->ret)
);
DEFINE_EVENT(udc_log_gadget, usb_gadget_frame_number,
TP_PROTO(struct usb_gadget *g, int ret),
TP_ARGS(g, ret)
);
DEFINE_EVENT(udc_log_gadget, usb_gadget_wakeup,
TP_PROTO(struct usb_gadget *g, int ret),
TP_ARGS(g, ret)
);
DEFINE_EVENT(udc_log_gadget, usb_gadget_set_selfpowered,
TP_PROTO(struct usb_gadget *g, int ret),
TP_ARGS(g, ret)
);
DEFINE_EVENT(udc_log_gadget, usb_gadget_clear_selfpowered,
TP_PROTO(struct usb_gadget *g, int ret),
TP_ARGS(g, ret)
);
DEFINE_EVENT(udc_log_gadget, usb_gadget_vbus_connect,
TP_PROTO(struct usb_gadget *g, int ret),
TP_ARGS(g, ret)
);
DEFINE_EVENT(udc_log_gadget, usb_gadget_vbus_draw,
TP_PROTO(struct usb_gadget *g, int ret),
TP_ARGS(g, ret)
);
DEFINE_EVENT(udc_log_gadget, usb_gadget_vbus_disconnect,
TP_PROTO(struct usb_gadget *g, int ret),
TP_ARGS(g, ret)
);
DEFINE_EVENT(udc_log_gadget, usb_gadget_connect,
TP_PROTO(struct usb_gadget *g, int ret),
TP_ARGS(g, ret)
);
DEFINE_EVENT(udc_log_gadget, usb_gadget_disconnect,
TP_PROTO(struct usb_gadget *g, int ret),
TP_ARGS(g, ret)
);
DEFINE_EVENT(udc_log_gadget, usb_gadget_deactivate,
TP_PROTO(struct usb_gadget *g, int ret),
TP_ARGS(g, ret)
);
DEFINE_EVENT(udc_log_gadget, usb_gadget_activate,
TP_PROTO(struct usb_gadget *g, int ret),
TP_ARGS(g, ret)
);
DECLARE_EVENT_CLASS(udc_log_ep,
TP_PROTO(struct usb_ep *ep, int ret),
TP_ARGS(ep, ret),
TP_STRUCT__entry(
__dynamic_array(char, name, UDC_TRACE_STR_MAX)
__field(unsigned, maxpacket)
__field(unsigned, maxpacket_limit)
__field(unsigned, max_streams)
__field(unsigned, mult)
__field(unsigned, maxburst)
__field(u8, address)
__field(bool, claimed)
__field(bool, enabled)
__field(int, ret)
),
TP_fast_assign(
snprintf(__get_str(name), UDC_TRACE_STR_MAX, "%s", ep->name);
__entry->maxpacket = ep->maxpacket;
__entry->maxpacket_limit = ep->maxpacket_limit;
__entry->max_streams = ep->max_streams;
__entry->mult = ep->mult;
__entry->maxburst = ep->maxburst;
__entry->address = ep->address,
__entry->claimed = ep->claimed;
__entry->enabled = ep->enabled;
__entry->ret = ret;
),
TP_printk("%s: mps %d/%d streams %d mult %d burst %d addr %02x %s%s --> %d",
__get_str(name), __entry->maxpacket, __entry->maxpacket_limit,
__entry->max_streams, __entry->mult, __entry->maxburst,
__entry->address, __entry->claimed ? "claimed:" : "released:",
__entry->enabled ? "enabled" : "disabled", ret)
);
DEFINE_EVENT(udc_log_ep, usb_ep_set_maxpacket_limit,
TP_PROTO(struct usb_ep *ep, int ret),
TP_ARGS(ep, ret)
);
DEFINE_EVENT(udc_log_ep, usb_ep_enable,
TP_PROTO(struct usb_ep *ep, int ret),
TP_ARGS(ep, ret)
);
DEFINE_EVENT(udc_log_ep, usb_ep_disable,
TP_PROTO(struct usb_ep *ep, int ret),
TP_ARGS(ep, ret)
);
DEFINE_EVENT(udc_log_ep, usb_ep_set_halt,
TP_PROTO(struct usb_ep *ep, int ret),
TP_ARGS(ep, ret)
);
DEFINE_EVENT(udc_log_ep, usb_ep_clear_halt,
TP_PROTO(struct usb_ep *ep, int ret),
TP_ARGS(ep, ret)
);
DEFINE_EVENT(udc_log_ep, usb_ep_set_wedge,
TP_PROTO(struct usb_ep *ep, int ret),
TP_ARGS(ep, ret)
);
DEFINE_EVENT(udc_log_ep, usb_ep_fifo_status,
TP_PROTO(struct usb_ep *ep, int ret),
TP_ARGS(ep, ret)
);
DEFINE_EVENT(udc_log_ep, usb_ep_fifo_flush,
TP_PROTO(struct usb_ep *ep, int ret),
TP_ARGS(ep, ret)
);
DECLARE_EVENT_CLASS(udc_log_req,
TP_PROTO(struct usb_ep *ep, struct usb_request *req, int ret),
TP_ARGS(ep, req, ret),
TP_STRUCT__entry(
__dynamic_array(char, name, UDC_TRACE_STR_MAX)
__field(unsigned, length)
__field(unsigned, actual)
__field(unsigned, num_sgs)
__field(unsigned, num_mapped_sgs)
__field(unsigned, stream_id)
__field(unsigned, no_interrupt)
__field(unsigned, zero)
__field(unsigned, short_not_ok)
__field(int, status)
__field(int, ret)
__field(struct usb_request *, req)
),
TP_fast_assign(
snprintf(__get_str(name), UDC_TRACE_STR_MAX, "%s", ep->name);
__entry->length = req->length;
__entry->actual = req->actual;
__entry->num_sgs = req->num_sgs;
__entry->num_mapped_sgs = req->num_mapped_sgs;
__entry->stream_id = req->stream_id;
__entry->no_interrupt = req->no_interrupt;
__entry->zero = req->zero;
__entry->short_not_ok = req->short_not_ok;
__entry->status = req->status;
__entry->ret = ret;
__entry->req = req;
),
TP_printk("%s: req %p length %d/%d sgs %d/%d stream %d %s%s%s status %d --> %d",
__get_str(name),__entry->req, __entry->actual, __entry->length,
__entry->num_mapped_sgs, __entry->num_sgs, __entry->stream_id,
__entry->zero ? "Z" : "z",
__entry->short_not_ok ? "S" : "s",
__entry->no_interrupt ? "i" : "I",
__entry->status, __entry->ret
)
);
DEFINE_EVENT(udc_log_req, usb_ep_alloc_request,
TP_PROTO(struct usb_ep *ep, struct usb_request *req, int ret),
TP_ARGS(ep, req, ret)
);
DEFINE_EVENT(udc_log_req, usb_ep_free_request,
TP_PROTO(struct usb_ep *ep, struct usb_request *req, int ret),
TP_ARGS(ep, req, ret)
);
DEFINE_EVENT(udc_log_req, usb_ep_queue,
TP_PROTO(struct usb_ep *ep, struct usb_request *req, int ret),
TP_ARGS(ep, req, ret)
);
DEFINE_EVENT(udc_log_req, usb_ep_dequeue,
TP_PROTO(struct usb_ep *ep, struct usb_request *req, int ret),
TP_ARGS(ep, req, ret)
);
DEFINE_EVENT(udc_log_req, usb_gadget_giveback_request,
TP_PROTO(struct usb_ep *ep, struct usb_request *req, int ret),
TP_ARGS(ep, req, ret)
);
#endif /* __UDC_TRACE_H */
/* this part has to be here */
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .
#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_FILE trace
#include <trace/define_trace.h>
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