1 files changed, 144 insertions, 0 deletions
diff --git a/arch/riscv/kvm/trace.h b/arch/riscv/kvm/trace.h
new file mode 100644
index 000000000..23a5fd1b6
--- /dev/null
+++ b/arch/riscv/kvm/trace.h
@@ -0,0 +1,144 @@
+// 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>