/* SPDX-License-Identifier: GPL-2.0 */
/*
* Greybus driver and device API
*
* Copyright 2015 Google Inc.
* Copyright 2015 Linaro Ltd.
*/
#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=%u 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=%u device_id=%u module_id=%u 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=%u 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
#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>
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