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// SPDX-License-Identifier: GPL-2.0
/*
* Tracepoints for RISC-V KVM
*
* Copyright 2024 Beijing ESWIN Computing Technology Co., Ltd.
*
*/
#if !defined(_TRACE_KVM_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_KVM_H
#include <linux/tracepoint.h>
#undef TRACE_SYSTEM
#define TRACE_SYSTEM kvm
TRACE_EVENT(kvm_entry,
TP_PROTO(struct kvm_vcpu *vcpu),
TP_ARGS(vcpu),
TP_STRUCT__entry(
__field(unsigned long, pc)
),
TP_fast_assign(
__entry->pc = vcpu->arch.guest_context.sepc;
),
TP_printk("PC: 0x%016lx", __entry->pc)
);
TRACE_EVENT(kvm_exit,
TP_PROTO(struct kvm_cpu_trap *trap),
TP_ARGS(trap),
TP_STRUCT__entry(
__field(unsigned long, sepc)
__field(unsigned long, scause)
__field(unsigned long, stval)
__field(unsigned long, htval)
__field(unsigned long, htinst)
),
TP_fast_assign(
__entry->sepc = trap->sepc;
__entry->scause = trap->scause;
__entry->stval = trap->stval;
__entry->htval = trap->htval;
__entry->htinst = trap->htinst;
),
TP_printk("SEPC:0x%lx, SCAUSE:0x%lx, STVAL:0x%lx, HTVAL:0x%lx, HTINST:0x%lx",
__entry->sepc,
__entry->scause,
__entry->stval,
__entry->htval,
__entry->htinst)
);
TRACE_EVENT(kvm_mmio_emulate,
TP_PROTO(unsigned long vcpu_id, unsigned long sepc, unsigned long insn,
unsigned long fault_addr, bool write, int len),
TP_ARGS(vcpu_id, sepc, insn, fault_addr, write, len),
TP_STRUCT__entry(
__field(unsigned long, vcpu_id)
__field(unsigned long, sepc)
__field(unsigned long, insn)
__field(unsigned long, fault_addr)
__field(bool, write)
__field(int, len)
),
TP_fast_assign(
__entry->vcpu_id = vcpu_id;
__entry->sepc = sepc;
__entry->insn = insn;
__entry->fault_addr = fault_addr;
__entry->write = write;
__entry->len = len;
),
TP_printk("VCPU: %lu, %s MMIO at 0x%lx, len %d, insn 0x%lx, sepc 0x%lx",
__entry->vcpu_id, __entry->write ? "Store" : "Load",
__entry->fault_addr, __entry->len, __entry->insn,
__entry->sepc)
);
TRACE_EVENT(kvm_vcpu_exit,
TP_PROTO(unsigned long vcpu_id, unsigned long sepc, unsigned long scause,
unsigned long stval, unsigned long htval, unsigned long htinst),
TP_ARGS(vcpu_id, sepc, scause, stval, htval, htinst),
TP_STRUCT__entry(
__field(unsigned long, vcpu_id)
__field(unsigned long, sepc)
__field(unsigned long, scause)
__field(unsigned long, stval)
__field(unsigned long, htval)
__field(unsigned long, htinst)
),
TP_fast_assign(
__entry->vcpu_id = vcpu_id;
__entry->sepc = sepc;
__entry->scause = scause;
__entry->stval = stval;
__entry->htval = htval;
__entry->htinst = htinst;
),
TP_printk("VCPU: %lu, SEPC: 0x%lx, SCAUSE: 0x%lx, STVAL: 0x%lx, HTVAL: 0x%lx, HTINST: 0x%lx",
__entry->vcpu_id, __entry->sepc, __entry->scause,
__entry->stval, __entry->htval, __entry->htinst)
);
TRACE_EVENT(kvm_vcpu_irq,
TP_PROTO(unsigned long vcpu_id, unsigned int irq, int level),
TP_ARGS(vcpu_id, irq, level),
TP_STRUCT__entry(
__field(unsigned long, vcpu_id)
__field(unsigned int, irq)
__field(int, level)
),
TP_fast_assign(
__entry->vcpu_id = vcpu_id;
__entry->irq = irq;
__entry->level = level;
),
TP_printk("VCPU: %lu, IRQ: %u, level: %d",
__entry->vcpu_id, __entry->irq, __entry->level)
);
#endif /* _TRACE_KVM_H */
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .
#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_FILE trace
/* This part must be outside protection */
#include <trace/define_trace.h>
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