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path: root/greybus_trace.patch
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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-09-15 13:54:11 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-09-15 13:54:11 +0200
commitc1aa01c96e590714d99c5f17cfae1b14dec8bdee (patch)
tree5811422f65efdff3fd89fdaf9a8c6d7d1cc4d06b /greybus_trace.patch
parent4758ee8bc89a86c2110b9e85878538ced8045ef5 (diff)
downloadpatches-c1aa01c96e590714d99c5f17cfae1b14dec8bdee.tar.gz
greybus patches
Diffstat (limited to 'greybus_trace.patch')
-rw-r--r--greybus_trace.patch538
1 files changed, 538 insertions, 0 deletions
diff --git a/greybus_trace.patch b/greybus_trace.patch
new file mode 100644
index 00000000000000..c14c444932b89f
--- /dev/null
+++ b/greybus_trace.patch
@@ -0,0 +1,538 @@
+---
+ drivers/greybus/greybus_trace.h | 531 ++++++++++++++++++++++++++++++++++++++++
+ 1 file changed, 531 insertions(+)
+
+--- /dev/null
++++ b/drivers/greybus/greybus_trace.h
+@@ -0,0 +1,531 @@
++/*
++ * Greybus driver and device API
++ *
++ * Copyright 2015 Google Inc.
++ * Copyright 2015 Linaro Ltd.
++ *
++ * Released under the GPLv2 only.
++ */
++#undef TRACE_SYSTEM
++#define TRACE_SYSTEM greybus
++
++#if !defined(_TRACE_GREYBUS_H) || defined(TRACE_HEADER_MULTI_READ)
++#define _TRACE_GREYBUS_H
++
++#include <linux/tracepoint.h>
++
++struct gb_message;
++struct gb_operation;
++struct gb_connection;
++struct gb_bundle;
++struct gb_host_device;
++
++DECLARE_EVENT_CLASS(gb_message,
++
++ TP_PROTO(struct gb_message *message),
++
++ TP_ARGS(message),
++
++ TP_STRUCT__entry(
++ __field(u16, size)
++ __field(u16, operation_id)
++ __field(u8, type)
++ __field(u8, result)
++ ),
++
++ TP_fast_assign(
++ __entry->size = le16_to_cpu(message->header->size);
++ __entry->operation_id =
++ le16_to_cpu(message->header->operation_id);
++ __entry->type = message->header->type;
++ __entry->result = message->header->result;
++ ),
++
++ TP_printk("size=%hu operation_id=0x%04x type=0x%02x result=0x%02x",
++ __entry->size, __entry->operation_id,
++ __entry->type, __entry->result)
++);
++
++#define DEFINE_MESSAGE_EVENT(name) \
++ DEFINE_EVENT(gb_message, name, \
++ TP_PROTO(struct gb_message *message), \
++ TP_ARGS(message))
++
++/*
++ * Occurs immediately before calling a host device's message_send()
++ * method.
++ */
++DEFINE_MESSAGE_EVENT(gb_message_send);
++
++/*
++ * Occurs after an incoming request message has been received
++ */
++DEFINE_MESSAGE_EVENT(gb_message_recv_request);
++
++/*
++ * Occurs after an incoming response message has been received,
++ * after its matching request has been found.
++ */
++DEFINE_MESSAGE_EVENT(gb_message_recv_response);
++
++/*
++ * Occurs after an operation has been canceled, possibly before the
++ * cancellation is complete.
++ */
++DEFINE_MESSAGE_EVENT(gb_message_cancel_outgoing);
++
++/*
++ * Occurs when an incoming request is cancelled; if the response has
++ * been queued for sending, this occurs after it is sent.
++ */
++DEFINE_MESSAGE_EVENT(gb_message_cancel_incoming);
++
++/*
++ * Occurs in the host driver message_send() function just prior to
++ * handing off the data to be processed by hardware.
++ */
++DEFINE_MESSAGE_EVENT(gb_message_submit);
++
++#undef DEFINE_MESSAGE_EVENT
++
++DECLARE_EVENT_CLASS(gb_operation,
++
++ TP_PROTO(struct gb_operation *operation),
++
++ TP_ARGS(operation),
++
++ TP_STRUCT__entry(
++ __field(u16, cport_id) /* CPort of HD side of connection */
++ __field(u16, id) /* Operation ID */
++ __field(u8, type)
++ __field(unsigned long, flags)
++ __field(int, active)
++ __field(int, waiters)
++ __field(int, errno)
++ ),
++
++ TP_fast_assign(
++ __entry->cport_id = operation->connection->hd_cport_id;
++ __entry->id = operation->id;
++ __entry->type = operation->type;
++ __entry->flags = operation->flags;
++ __entry->active = operation->active;
++ __entry->waiters = atomic_read(&operation->waiters);
++ __entry->errno = operation->errno;
++ ),
++
++ TP_printk("id=%04x type=0x%02x cport_id=%04x flags=0x%lx active=%d waiters=%d errno=%d",
++ __entry->id, __entry->cport_id, __entry->type, __entry->flags,
++ __entry->active, __entry->waiters, __entry->errno)
++);
++
++#define DEFINE_OPERATION_EVENT(name) \
++ DEFINE_EVENT(gb_operation, name, \
++ TP_PROTO(struct gb_operation *operation), \
++ TP_ARGS(operation))
++
++/*
++ * Occurs after a new operation is created for an outgoing request
++ * has been successfully created.
++ */
++DEFINE_OPERATION_EVENT(gb_operation_create);
++
++/*
++ * Occurs after a new core operation has been created.
++ */
++DEFINE_OPERATION_EVENT(gb_operation_create_core);
++
++/*
++ * Occurs after a new operation has been created for an incoming
++ * request has been successfully created and initialized.
++ */
++DEFINE_OPERATION_EVENT(gb_operation_create_incoming);
++
++/*
++ * Occurs when the last reference to an operation has been dropped,
++ * prior to freeing resources.
++ */
++DEFINE_OPERATION_EVENT(gb_operation_destroy);
++
++/*
++ * Occurs when an operation has been marked active, after updating
++ * its active count.
++ */
++DEFINE_OPERATION_EVENT(gb_operation_get_active);
++
++/*
++ * Occurs when an operation has been marked active, before updating
++ * its active count.
++ */
++DEFINE_OPERATION_EVENT(gb_operation_put_active);
++
++#undef DEFINE_OPERATION_EVENT
++
++DECLARE_EVENT_CLASS(gb_connection,
++
++ TP_PROTO(struct gb_connection *connection),
++
++ TP_ARGS(connection),
++
++ TP_STRUCT__entry(
++ __field(int, hd_bus_id)
++ __field(u8, bundle_id)
++ /* name contains "hd_cport_id/intf_id:cport_id" */
++ __dynamic_array(char, name, sizeof(connection->name))
++ __field(enum gb_connection_state, state)
++ __field(unsigned long, flags)
++ ),
++
++ TP_fast_assign(
++ __entry->hd_bus_id = connection->hd->bus_id;
++ __entry->bundle_id = connection->bundle ?
++ connection->bundle->id : BUNDLE_ID_NONE;
++ memcpy(__get_str(name), connection->name,
++ sizeof(connection->name));
++ __entry->state = connection->state;
++ __entry->flags = connection->flags;
++ ),
++
++ TP_printk("hd_bus_id=%d bundle_id=0x%02x name=\"%s\" state=%u flags=0x%lx",
++ __entry->hd_bus_id, __entry->bundle_id, __get_str(name),
++ (unsigned int)__entry->state, __entry->flags)
++);
++
++#define DEFINE_CONNECTION_EVENT(name) \
++ DEFINE_EVENT(gb_connection, name, \
++ TP_PROTO(struct gb_connection *connection), \
++ TP_ARGS(connection))
++
++/*
++ * Occurs after a new connection is successfully created.
++ */
++DEFINE_CONNECTION_EVENT(gb_connection_create);
++
++/*
++ * Occurs when the last reference to a connection has been dropped,
++ * before its resources are freed.
++ */
++DEFINE_CONNECTION_EVENT(gb_connection_release);
++
++/*
++ * Occurs when a new reference to connection is added, currently
++ * only when a message over the connection is received.
++ */
++DEFINE_CONNECTION_EVENT(gb_connection_get);
++
++/*
++ * Occurs when a new reference to connection is dropped, after a
++ * a received message is handled, or when the connection is
++ * destroyed.
++ */
++DEFINE_CONNECTION_EVENT(gb_connection_put);
++
++/*
++ * Occurs when a request to enable a connection is made, either for
++ * transmit only, or for both transmit and receive.
++ */
++DEFINE_CONNECTION_EVENT(gb_connection_enable);
++
++/*
++ * Occurs when a request to disable a connection is made, either for
++ * receive only, or for both transmit and receive. Also occurs when
++ * a request to forcefully disable a connection is made.
++ */
++DEFINE_CONNECTION_EVENT(gb_connection_disable);
++
++#undef DEFINE_CONNECTION_EVENT
++
++DECLARE_EVENT_CLASS(gb_bundle,
++
++ TP_PROTO(struct gb_bundle *bundle),
++
++ TP_ARGS(bundle),
++
++ TP_STRUCT__entry(
++ __field(u8, intf_id)
++ __field(u8, id)
++ __field(u8, class)
++ __field(size_t, num_cports)
++ ),
++
++ TP_fast_assign(
++ __entry->intf_id = bundle->intf->interface_id;
++ __entry->id = bundle->id;
++ __entry->class = bundle->class;
++ __entry->num_cports = bundle->num_cports;
++ ),
++
++ TP_printk("intf_id=0x%02x id=%02x class=0x%02x num_cports=%zu",
++ __entry->intf_id, __entry->id, __entry->class,
++ __entry->num_cports)
++);
++
++#define DEFINE_BUNDLE_EVENT(name) \
++ DEFINE_EVENT(gb_bundle, name, \
++ TP_PROTO(struct gb_bundle *bundle), \
++ TP_ARGS(bundle))
++
++/*
++ * Occurs after a new bundle is successfully created.
++ */
++DEFINE_BUNDLE_EVENT(gb_bundle_create);
++
++/*
++ * Occurs when the last reference to a bundle has been dropped,
++ * before its resources are freed.
++ */
++DEFINE_BUNDLE_EVENT(gb_bundle_release);
++
++/*
++ * Occurs when a bundle is added to an interface when the interface
++ * is enabled.
++ */
++DEFINE_BUNDLE_EVENT(gb_bundle_add);
++
++/*
++ * Occurs when a registered bundle gets destroyed, normally at the
++ * time an interface is disabled.
++ */
++DEFINE_BUNDLE_EVENT(gb_bundle_destroy);
++
++#undef DEFINE_BUNDLE_EVENT
++
++DECLARE_EVENT_CLASS(gb_interface,
++
++ TP_PROTO(struct gb_interface *intf),
++
++ TP_ARGS(intf),
++
++ TP_STRUCT__entry(
++ __field(u8, module_id)
++ __field(u8, id) /* Interface id */
++ __field(u8, device_id)
++ __field(int, disconnected) /* bool */
++ __field(int, ejected) /* bool */
++ __field(int, active) /* bool */
++ __field(int, enabled) /* bool */
++ __field(int, mode_switch) /* bool */
++ ),
++
++ TP_fast_assign(
++ __entry->module_id = intf->module->module_id;
++ __entry->id = intf->interface_id;
++ __entry->device_id = intf->device_id;
++ __entry->disconnected = intf->disconnected;
++ __entry->ejected = intf->ejected;
++ __entry->active = intf->active;
++ __entry->enabled = intf->enabled;
++ __entry->mode_switch = intf->mode_switch;
++ ),
++
++ TP_printk("intf_id=%hhu device_id=%hhu module_id=%hhu D=%d J=%d A=%d E=%d M=%d",
++ __entry->id, __entry->device_id, __entry->module_id,
++ __entry->disconnected, __entry->ejected, __entry->active,
++ __entry->enabled, __entry->mode_switch)
++);
++
++#define DEFINE_INTERFACE_EVENT(name) \
++ DEFINE_EVENT(gb_interface, name, \
++ TP_PROTO(struct gb_interface *intf), \
++ TP_ARGS(intf))
++
++/*
++ * Occurs after a new interface is successfully created.
++ */
++DEFINE_INTERFACE_EVENT(gb_interface_create);
++
++/*
++ * Occurs after the last reference to an interface has been dropped.
++ */
++DEFINE_INTERFACE_EVENT(gb_interface_release);
++
++/*
++ * Occurs after an interface been registerd.
++ */
++DEFINE_INTERFACE_EVENT(gb_interface_add);
++
++/*
++ * Occurs when a registered interface gets deregisterd.
++ */
++DEFINE_INTERFACE_EVENT(gb_interface_del);
++
++/*
++ * Occurs when a registered interface has been successfully
++ * activated.
++ */
++DEFINE_INTERFACE_EVENT(gb_interface_activate);
++
++/*
++ * Occurs when an activated interface is being deactivated.
++ */
++DEFINE_INTERFACE_EVENT(gb_interface_deactivate);
++
++/*
++ * Occurs when an interface has been successfully enabled.
++ */
++DEFINE_INTERFACE_EVENT(gb_interface_enable);
++
++/*
++ * Occurs when an enabled interface is being disabled.
++ */
++DEFINE_INTERFACE_EVENT(gb_interface_disable);
++
++#undef DEFINE_INTERFACE_EVENT
++
++DECLARE_EVENT_CLASS(gb_module,
++
++ TP_PROTO(struct gb_module *module),
++
++ TP_ARGS(module),
++
++ TP_STRUCT__entry(
++ __field(int, hd_bus_id)
++ __field(u8, module_id)
++ __field(size_t, num_interfaces)
++ __field(int, disconnected) /* bool */
++ ),
++
++ TP_fast_assign(
++ __entry->hd_bus_id = module->hd->bus_id;
++ __entry->module_id = module->module_id;
++ __entry->num_interfaces = module->num_interfaces;
++ __entry->disconnected = module->disconnected;
++ ),
++
++ TP_printk("hd_bus_id=%d module_id=%hhu num_interfaces=%zu disconnected=%d",
++ __entry->hd_bus_id, __entry->module_id,
++ __entry->num_interfaces, __entry->disconnected)
++);
++
++#define DEFINE_MODULE_EVENT(name) \
++ DEFINE_EVENT(gb_module, name, \
++ TP_PROTO(struct gb_module *module), \
++ TP_ARGS(module))
++
++/*
++ * Occurs after a new module is successfully created, before
++ * creating any of its interfaces.
++ */
++DEFINE_MODULE_EVENT(gb_module_create);
++
++/*
++ * Occurs after the last reference to a module has been dropped.
++ */
++DEFINE_MODULE_EVENT(gb_module_release);
++
++/*
++ * Occurs after a module is successfully created, before registering
++ * any of its interfaces.
++ */
++DEFINE_MODULE_EVENT(gb_module_add);
++
++/*
++ * Occurs when a module is deleted, before deregistering its
++ * interfaces.
++ */
++DEFINE_MODULE_EVENT(gb_module_del);
++
++#undef DEFINE_MODULE_EVENT
++
++DECLARE_EVENT_CLASS(gb_host_device,
++
++ TP_PROTO(struct gb_host_device *hd),
++
++ TP_ARGS(hd),
++
++ TP_STRUCT__entry(
++ __field(int, bus_id)
++ __field(size_t, num_cports)
++ __field(size_t, buffer_size_max)
++ ),
++
++ TP_fast_assign(
++ __entry->bus_id = hd->bus_id;
++ __entry->num_cports = hd->num_cports;
++ __entry->buffer_size_max = hd->buffer_size_max;
++ ),
++
++ TP_printk("bus_id=%d num_cports=%zu mtu=%zu",
++ __entry->bus_id, __entry->num_cports,
++ __entry->buffer_size_max)
++);
++
++#define DEFINE_HD_EVENT(name) \
++ DEFINE_EVENT(gb_host_device, name, \
++ TP_PROTO(struct gb_host_device *hd), \
++ TP_ARGS(hd))
++
++/*
++ * Occurs after a new host device is successfully created, before
++ * its SVC has been set up.
++ */
++DEFINE_HD_EVENT(gb_hd_create);
++
++/*
++ * Occurs after the last reference to a host device has been
++ * dropped.
++ */
++DEFINE_HD_EVENT(gb_hd_release);
++
++/*
++ * Occurs after a new host device has been added, after the
++ * connection to its SVC has been enabled.
++ */
++DEFINE_HD_EVENT(gb_hd_add);
++
++/*
++ * Occurs when a host device is being disconnected from the AP USB
++ * host controller.
++ */
++DEFINE_HD_EVENT(gb_hd_del);
++
++/*
++ * Occurs when a host device has passed received data to the Greybus
++ * core, after it has been determined it is destined for a valid
++ * CPort.
++ */
++DEFINE_HD_EVENT(gb_hd_in);
++
++#undef DEFINE_HD_EVENT
++
++/*
++ * Occurs on a TimeSync synchronization event or a TimeSync ping event.
++ */
++TRACE_EVENT(gb_timesync_irq,
++
++ TP_PROTO(u8 ping, u8 strobe, u8 count, u64 frame_time),
++
++ TP_ARGS(ping, strobe, count, frame_time),
++
++ TP_STRUCT__entry(
++ __field(u8, ping)
++ __field(u8, strobe)
++ __field(u8, count)
++ __field(u64, frame_time)
++ ),
++
++ TP_fast_assign(
++ __entry->ping = ping;
++ __entry->strobe = strobe;
++ __entry->count = count;
++ __entry->frame_time = frame_time;
++ ),
++
++ TP_printk("%s %d/%d frame-time %llu\n",
++ __entry->ping ? "ping" : "strobe", __entry->strobe,
++ __entry->count, __entry->frame_time)
++);
++
++#endif /* _TRACE_GREYBUS_H */
++
++/* This part must be outside protection */
++#undef TRACE_INCLUDE_PATH
++#define TRACE_INCLUDE_PATH .
++
++/*
++ * TRACE_INCLUDE_FILE is not needed if the filename and TRACE_SYSTEM are equal
++ */
++#undef TRACE_INCLUDE_FILE
++#define TRACE_INCLUDE_FILE greybus_trace
++#include <trace/define_trace.h>
++
generated by cgit 1.2.3-korg (git 2.43.0) at 2026-03-01 17:27:51 +0000