Something went wrong. Try again.
(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Something went wrong. Try again.
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130/* SPDX-License-Identifier: GPL-2.0 */#undef TRACE_SYSTEM#define TRACE_SYSTEM pci
#if !defined(_TRACE_HW_EVENT_PCI_H) || defined(TRACE_HEADER_MULTI_READ)#define _TRACE_HW_EVENT_PCI_H
#include <uapi/linux/pci_regs.h>#include <linux/tracepoint.h>
#define PCI_HOTPLUG_EVENT \ EM(PCI_HOTPLUG_LINK_UP, "LINK_UP") \ EM(PCI_HOTPLUG_LINK_DOWN, "LINK_DOWN") \ EM(PCI_HOTPLUG_CARD_PRESENT, "CARD_PRESENT") \ EMe(PCI_HOTPLUG_CARD_NOT_PRESENT, "CARD_NOT_PRESENT")
/* Enums require being exported to userspace, for user tool parsing */#undef EM#undef EMe#define EM(a, b) TRACE_DEFINE_ENUM(a);#define EMe(a, b) TRACE_DEFINE_ENUM(a);
PCI_HOTPLUG_EVENT
/* * Now redefine the EM() and EMe() macros to map the enums to the strings * that will be printed in the output. */#undef EM#undef EMe#define EM(a, b) {a, b},#define EMe(a, b) {a, b}
/* * Note: For generic PCI hotplug events, we pass already-resolved strings * (port_name, slot) instead of driver-specific structures like 'struct * controller'. This is because different PCI hotplug drivers (pciehp, cpqphp, * ibmphp, shpchp) define their own versions of 'struct controller' with * different fields and helper functions. Using driver-specific structures would * make the tracepoint interface non-generic and cause compatibility issues * across different drivers. */TRACE_EVENT(pci_hp_event,
TP_PROTO(const char *port_name, const char *slot, const int event),
TP_ARGS(port_name, slot, event),
TP_STRUCT__entry( __string( port_name, port_name ) __string( slot, slot ) __field( int, event ) ),
TP_fast_assign( __assign_str(port_name); __assign_str(slot); __entry->event = event; ),
TP_printk("%s slot:%s, event:%s\n", __get_str(port_name), __get_str(slot), __print_symbolic(__entry->event, PCI_HOTPLUG_EVENT) ));
#define PCI_EXP_LNKSTA_LINK_STATUS_MASK (PCI_EXP_LNKSTA_LBMS | \ PCI_EXP_LNKSTA_LABS | \ PCI_EXP_LNKSTA_LT | \ PCI_EXP_LNKSTA_DLLLA)
#define LNKSTA_FLAGS \ { PCI_EXP_LNKSTA_LT, "LT"}, \ { PCI_EXP_LNKSTA_DLLLA, "DLLLA"}, \ { PCI_EXP_LNKSTA_LBMS, "LBMS"}, \ { PCI_EXP_LNKSTA_LABS, "LABS"}
TRACE_EVENT(pcie_link_event,
TP_PROTO(struct pci_bus *bus, unsigned int reason, unsigned int width, unsigned int status ),
TP_ARGS(bus, reason, width, status),
TP_STRUCT__entry( __string( port_name, pci_name(bus->self)) __field( unsigned int, type ) __field( unsigned int, reason ) __field( unsigned int, cur_bus_speed ) __field( unsigned int, max_bus_speed ) __field( unsigned int, width ) __field( unsigned int, flit_mode ) __field( unsigned int, link_status ) ),
TP_fast_assign( __assign_str(port_name); __entry->type = pci_pcie_type(bus->self); __entry->reason = reason; __entry->cur_bus_speed = bus->cur_bus_speed; __entry->max_bus_speed = bus->max_bus_speed; __entry->width = width; __entry->flit_mode = bus->flit_mode; __entry->link_status = status; ),
TP_printk("%s type:%d, reason:%d, cur_bus_speed:%d, max_bus_speed:%d, width:%u, flit_mode:%u, status:%s\n", __get_str(port_name), __entry->type, __entry->reason, __entry->cur_bus_speed, __entry->max_bus_speed, __entry->width, __entry->flit_mode, __print_flags((unsigned long)__entry->link_status, "|", LNKSTA_FLAGS) ));
#endif /* _TRACE_HW_EVENT_PCI_H */
/* This part must be outside protection */#include <trace/define_trace.h>