| 1 |
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| 2 | #undef TRACE_SYSTEM
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| 3 | #define TRACE_SYSTEM pci_controller
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| 4 |
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| 5 | #if !defined(_TRACE_HW_EVENT_PCI_CONTROLLER_H) || defined(TRACE_HEADER_MULTI_READ)
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| 6 | #define _TRACE_HW_EVENT_PCI_CONTROLLER_H
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| 7 |
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| 8 | #include <uapi/linux/pci_regs.h>
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| 9 | #include <linux/tracepoint.h>
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| 10 |
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| 11 | #define RATE \
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| 12 | EM(PCIE_SPEED_2_5GT, "2.5 GT/s") \
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| 13 | EM(PCIE_SPEED_5_0GT, "5.0 GT/s") \
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| 14 | EM(PCIE_SPEED_8_0GT, "8.0 GT/s") \
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| 15 | EM(PCIE_SPEED_16_0GT, "16.0 GT/s") \
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| 16 | EM(PCIE_SPEED_32_0GT, "32.0 GT/s") \
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| 17 | EM(PCIE_SPEED_64_0GT, "64.0 GT/s") \
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| 18 | EMe(PCI_SPEED_UNKNOWN, "Unknown")
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| 19 |
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| 20 |
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| 21 | #undef EM
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| 22 | #undef EMe
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| 23 | #define EM(a, b) TRACE_DEFINE_ENUM(a);
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| 24 | #define EMe(a, b) TRACE_DEFINE_ENUM(a);
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| 25 |
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| 26 | RATE
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| 27 |
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| 28 | #undef EM
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| 29 | #undef EMe
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| 30 | #define EM(a, b) {a, b},
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| 31 | #define EMe(a, b) {a, b}
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| 32 |
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| 33 | TRACE_EVENT(pcie_ltssm_state_transition,
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| 34 | TP_PROTO(const char *dev_name, const char *state, u32 rate),
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| 35 | TP_ARGS(dev_name, state, rate),
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| 36 |
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| 37 | TP_STRUCT__entry(
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| 38 | __string(dev_name, dev_name)
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| 39 | __string(state, state)
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| 40 | __field(u32, rate)
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| 41 | ),
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| 42 |
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| 43 | TP_fast_assign(
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| 44 | __assign_str(dev_name);
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| 45 | __assign_str(state);
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| 46 | __entry->rate = rate;
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| 47 | ),
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| 48 |
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| 49 | TP_printk("dev: %s state: %s rate: %s",
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| 50 | __get_str(dev_name), __get_str(state),
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| 51 | __print_symbolic(__entry->rate, RATE)
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| 52 | )
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| 53 | );
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| 54 |
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| 55 | #endif
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| 56 |
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| 57 |
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| 58 | #include <trace/define_trace.h>
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