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-rw-r--r--drivers/bus/mhi/host/trace.h282
1 files changed, 282 insertions, 0 deletions
diff --git a/drivers/bus/mhi/host/trace.h b/drivers/bus/mhi/host/trace.h
new file mode 100644
index 0000000000..368515dcb2
--- /dev/null
+++ b/drivers/bus/mhi/host/trace.h
@@ -0,0 +1,282 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM mhi_host
+
+#if !defined(_TRACE_EVENT_MHI_HOST_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_EVENT_MHI_HOST_H
+
+#include <linux/tracepoint.h>
+#include <linux/trace_seq.h>
+#include "../common.h"
+#include "internal.h"
+
+#undef mhi_state
+#undef mhi_state_end
+
+#define mhi_state(a, b) TRACE_DEFINE_ENUM(MHI_STATE_##a);
+#define mhi_state_end(a, b) TRACE_DEFINE_ENUM(MHI_STATE_##a);
+
+MHI_STATE_LIST
+
+#undef mhi_state
+#undef mhi_state_end
+
+#define mhi_state(a, b) { MHI_STATE_##a, b },
+#define mhi_state_end(a, b) { MHI_STATE_##a, b }
+
+#undef mhi_pm_state
+#undef mhi_pm_state_end
+
+#define mhi_pm_state(a, b) TRACE_DEFINE_ENUM(MHI_PM_STATE_##a);
+#define mhi_pm_state_end(a, b) TRACE_DEFINE_ENUM(MHI_PM_STATE_##a);
+
+MHI_PM_STATE_LIST
+
+#undef mhi_pm_state
+#undef mhi_pm_state_end
+
+#define mhi_pm_state(a, b) { MHI_PM_STATE_##a, b },
+#define mhi_pm_state_end(a, b) { MHI_PM_STATE_##a, b }
+
+#undef mhi_ee
+#undef mhi_ee_end
+
+#define mhi_ee(a, b) TRACE_DEFINE_ENUM(MHI_EE_##a);
+#define mhi_ee_end(a, b) TRACE_DEFINE_ENUM(MHI_EE_##a);
+
+MHI_EE_LIST
+
+#undef mhi_ee
+#undef mhi_ee_end
+
+#define mhi_ee(a, b) { MHI_EE_##a, b },
+#define mhi_ee_end(a, b) { MHI_EE_##a, b }
+
+#undef ch_state_type
+#undef ch_state_type_end
+
+#define ch_state_type(a, b) TRACE_DEFINE_ENUM(MHI_CH_STATE_TYPE_##a);
+#define ch_state_type_end(a, b) TRACE_DEFINE_ENUM(MHI_CH_STATE_TYPE_##a);
+
+MHI_CH_STATE_TYPE_LIST
+
+#undef ch_state_type
+#undef ch_state_type_end
+
+#define ch_state_type(a, b) { MHI_CH_STATE_TYPE_##a, b },
+#define ch_state_type_end(a, b) { MHI_CH_STATE_TYPE_##a, b }
+
+#undef dev_st_trans
+#undef dev_st_trans_end
+
+#define dev_st_trans(a, b) TRACE_DEFINE_ENUM(DEV_ST_TRANSITION_##a);
+#define dev_st_trans_end(a, b) TRACE_DEFINE_ENUM(DEV_ST_TRANSITION_##a);
+
+DEV_ST_TRANSITION_LIST
+
+#undef dev_st_trans
+#undef dev_st_trans_end
+
+#define dev_st_trans(a, b) { DEV_ST_TRANSITION_##a, b },
+#define dev_st_trans_end(a, b) { DEV_ST_TRANSITION_##a, b }
+
+#define TPS(x) tracepoint_string(x)
+
+TRACE_EVENT(mhi_gen_tre,
+
+ TP_PROTO(struct mhi_controller *mhi_cntrl, struct mhi_chan *mhi_chan,
+ struct mhi_ring_element *mhi_tre),
+
+ TP_ARGS(mhi_cntrl, mhi_chan, mhi_tre),
+
+ TP_STRUCT__entry(
+ __string(name, mhi_cntrl->mhi_dev->name)
+ __field(int, ch_num)
+ __field(void *, wp)
+ __field(__le64, tre_ptr)
+ __field(__le32, dword0)
+ __field(__le32, dword1)
+ ),
+
+ TP_fast_assign(
+ __assign_str(name, mhi_cntrl->mhi_dev->name);
+ __entry->ch_num = mhi_chan->chan;
+ __entry->wp = mhi_tre;
+ __entry->tre_ptr = mhi_tre->ptr;
+ __entry->dword0 = mhi_tre->dword[0];
+ __entry->dword1 = mhi_tre->dword[1];
+ ),
+
+ TP_printk("%s: Chan: %d TRE: 0x%p TRE buf: 0x%llx DWORD0: 0x%08x DWORD1: 0x%08x\n",
+ __get_str(name), __entry->ch_num, __entry->wp, __entry->tre_ptr,
+ __entry->dword0, __entry->dword1)
+);
+
+TRACE_EVENT(mhi_intvec_states,
+
+ TP_PROTO(struct mhi_controller *mhi_cntrl, int dev_ee, int dev_state),
+
+ TP_ARGS(mhi_cntrl, dev_ee, dev_state),
+
+ TP_STRUCT__entry(
+ __string(name, mhi_cntrl->mhi_dev->name)
+ __field(int, local_ee)
+ __field(int, state)
+ __field(int, dev_ee)
+ __field(int, dev_state)
+ ),
+
+ TP_fast_assign(
+ __assign_str(name, mhi_cntrl->mhi_dev->name);
+ __entry->local_ee = mhi_cntrl->ee;
+ __entry->state = mhi_cntrl->dev_state;
+ __entry->dev_ee = dev_ee;
+ __entry->dev_state = dev_state;
+ ),
+
+ TP_printk("%s: Local EE: %s State: %s Device EE: %s Dev State: %s\n",
+ __get_str(name),
+ __print_symbolic(__entry->local_ee, MHI_EE_LIST),
+ __print_symbolic(__entry->state, MHI_STATE_LIST),
+ __print_symbolic(__entry->dev_ee, MHI_EE_LIST),
+ __print_symbolic(__entry->dev_state, MHI_STATE_LIST))
+);
+
+TRACE_EVENT(mhi_tryset_pm_state,
+
+ TP_PROTO(struct mhi_controller *mhi_cntrl, int pm_state),
+
+ TP_ARGS(mhi_cntrl, pm_state),
+
+ TP_STRUCT__entry(
+ __string(name, mhi_cntrl->mhi_dev->name)
+ __field(int, pm_state)
+ ),
+
+ TP_fast_assign(
+ __assign_str(name, mhi_cntrl->mhi_dev->name);
+ if (pm_state)
+ pm_state = __fls(pm_state);
+ __entry->pm_state = pm_state;
+ ),
+
+ TP_printk("%s: PM state: %s\n", __get_str(name),
+ __print_symbolic(__entry->pm_state, MHI_PM_STATE_LIST))
+);
+
+DECLARE_EVENT_CLASS(mhi_process_event_ring,
+
+ TP_PROTO(struct mhi_controller *mhi_cntrl, struct mhi_ring_element *rp),
+
+ TP_ARGS(mhi_cntrl, rp),
+
+ TP_STRUCT__entry(
+ __string(name, mhi_cntrl->mhi_dev->name)
+ __field(__le32, dword0)
+ __field(__le32, dword1)
+ __field(int, state)
+ __field(__le64, ptr)
+ __field(void *, rp)
+ ),
+
+ TP_fast_assign(
+ __assign_str(name, mhi_cntrl->mhi_dev->name);
+ __entry->rp = rp;
+ __entry->ptr = rp->ptr;
+ __entry->dword0 = rp->dword[0];
+ __entry->dword1 = rp->dword[1];
+ __entry->state = MHI_TRE_GET_EV_STATE(rp);
+ ),
+
+ TP_printk("%s: TRE: 0x%p TRE buf: 0x%llx DWORD0: 0x%08x DWORD1: 0x%08x State: %s\n",
+ __get_str(name), __entry->rp, __entry->ptr, __entry->dword0,
+ __entry->dword1, __print_symbolic(__entry->state, MHI_STATE_LIST))
+);
+
+DEFINE_EVENT(mhi_process_event_ring, mhi_data_event,
+
+ TP_PROTO(struct mhi_controller *mhi_cntrl, struct mhi_ring_element *rp),
+
+ TP_ARGS(mhi_cntrl, rp)
+);
+
+DEFINE_EVENT(mhi_process_event_ring, mhi_ctrl_event,
+
+ TP_PROTO(struct mhi_controller *mhi_cntrl, struct mhi_ring_element *rp),
+
+ TP_ARGS(mhi_cntrl, rp)
+);
+
+DECLARE_EVENT_CLASS(mhi_update_channel_state,
+
+ TP_PROTO(struct mhi_controller *mhi_cntrl, struct mhi_chan *mhi_chan, int state,
+ const char *reason),
+
+ TP_ARGS(mhi_cntrl, mhi_chan, state, reason),
+
+ TP_STRUCT__entry(
+ __string(name, mhi_cntrl->mhi_dev->name)
+ __field(int, ch_num)
+ __field(int, state)
+ __field(const char *, reason)
+ ),
+
+ TP_fast_assign(
+ __assign_str(name, mhi_cntrl->mhi_dev->name);
+ __entry->ch_num = mhi_chan->chan;
+ __entry->state = state;
+ __entry->reason = reason;
+ ),
+
+ TP_printk("%s: chan%d: %s state to: %s\n",
+ __get_str(name), __entry->ch_num, __entry->reason,
+ __print_symbolic(__entry->state, MHI_CH_STATE_TYPE_LIST))
+);
+
+DEFINE_EVENT(mhi_update_channel_state, mhi_channel_command_start,
+
+ TP_PROTO(struct mhi_controller *mhi_cntrl, struct mhi_chan *mhi_chan, int state,
+ const char *reason),
+
+ TP_ARGS(mhi_cntrl, mhi_chan, state, reason)
+);
+
+DEFINE_EVENT(mhi_update_channel_state, mhi_channel_command_end,
+
+ TP_PROTO(struct mhi_controller *mhi_cntrl, struct mhi_chan *mhi_chan, int state,
+ const char *reason),
+
+ TP_ARGS(mhi_cntrl, mhi_chan, state, reason)
+);
+
+TRACE_EVENT(mhi_pm_st_transition,
+
+ TP_PROTO(struct mhi_controller *mhi_cntrl, int state),
+
+ TP_ARGS(mhi_cntrl, state),
+
+ TP_STRUCT__entry(
+ __string(name, mhi_cntrl->mhi_dev->name)
+ __field(int, state)
+ ),
+
+ TP_fast_assign(
+ __assign_str(name, mhi_cntrl->mhi_dev->name);
+ __entry->state = state;
+ ),
+
+ TP_printk("%s: Handling state transition: %s\n", __get_str(name),
+ __print_symbolic(__entry->state, DEV_ST_TRANSITION_LIST))
+);
+
+#endif
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH ../../drivers/bus/mhi/host
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE trace
+
+#include <trace/define_trace.h>