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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/arch/arm64/kvm/trace_handle_exit.h
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/* SPDX-License-Identifier: GPL-2.0 */

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#if !defined(_TRACE_HANDLE_EXIT_ARM64_KVM_H) || defined(TRACE_HEADER_MULTI_READ)

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#define _TRACE_HANDLE_EXIT_ARM64_KVM_H

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#include <linux/tracepoint.h>

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#include "sys_regs.h"

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#undef TRACE_SYSTEM

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#define TRACE_SYSTEM kvm

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TRACE_EVENT(kvm_wfx_arm64,

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	TP_PROTO(unsigned long vcpu_pc, bool is_wfe),

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	TP_ARGS(vcpu_pc, is_wfe),

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	TP_STRUCT__entry(

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		__field(unsigned long,	vcpu_pc)

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		__field(bool,		is_wfe)

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	),

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	TP_fast_assign(

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		__entry->vcpu_pc = vcpu_pc;

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		__entry->is_wfe  = is_wfe;

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	),

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	TP_printk("guest executed wf%c at: 0x%016lx",

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		  __entry->is_wfe ? 'e' : 'i', __entry->vcpu_pc)

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);

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TRACE_EVENT(kvm_hvc_arm64,

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	TP_PROTO(unsigned long vcpu_pc, unsigned long r0, unsigned long imm),

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	TP_ARGS(vcpu_pc, r0, imm),

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	TP_STRUCT__entry(

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		__field(unsigned long, vcpu_pc)

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		__field(unsigned long, r0)

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		__field(unsigned long, imm)

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	),

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	TP_fast_assign(

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		__entry->vcpu_pc = vcpu_pc;

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		__entry->r0 = r0;

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		__entry->imm = imm;

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	),

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	TP_printk("HVC at 0x%016lx (r0: 0x%016lx, imm: 0x%lx)",

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		  __entry->vcpu_pc, __entry->r0, __entry->imm)

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);

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/*

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 * The dreg32 name is a leftover from a distant past. This will really

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 * output a 64bit value...

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 */

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TRACE_EVENT(kvm_arm_set_dreg32,

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	TP_PROTO(const char *name, __u64 value),

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	TP_ARGS(name, value),

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	TP_STRUCT__entry(

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		__field(const char *, name)

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		__field(__u64, value)

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	),

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	TP_fast_assign(

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		__entry->name = name;

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		__entry->value = value;

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	),

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	TP_printk("%s: 0x%llx", __entry->name, __entry->value)

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);

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TRACE_EVENT(kvm_handle_sys_reg,

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	TP_PROTO(unsigned long hsr),

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	TP_ARGS(hsr),

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	TP_STRUCT__entry(

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		__field(unsigned long,	hsr)

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	),

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	TP_fast_assign(

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		__entry->hsr = hsr;

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	),

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	TP_printk("HSR 0x%08lx", __entry->hsr)

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);

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TRACE_EVENT(kvm_sys_access,

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	TP_PROTO(unsigned long vcpu_pc, struct sys_reg_params *params, const struct sys_reg_desc *reg),

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	TP_ARGS(vcpu_pc, params, reg),

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	TP_STRUCT__entry(

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		__field(unsigned long,			vcpu_pc)

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		__field(bool,				is_write)

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		__field(const char *,			name)

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		__field(u8,				Op0)

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		__field(u8,				Op1)

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		__field(u8,				CRn)

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		__field(u8,				CRm)

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		__field(u8,				Op2)

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	),

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	TP_fast_assign(

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		__entry->vcpu_pc = vcpu_pc;

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		__entry->is_write = params->is_write;

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		__entry->name = reg->name;

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		__entry->Op0 = reg->Op0;

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		__entry->Op0 = reg->Op0;

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		__entry->Op1 = reg->Op1;

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		__entry->CRn = reg->CRn;

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		__entry->CRm = reg->CRm;

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		__entry->Op2 = reg->Op2;

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	),

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	TP_printk("PC: %lx %s (%d,%d,%d,%d,%d) %s",

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		  __entry->vcpu_pc, __entry->name ?: "UNKN",

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		  __entry->Op0, __entry->Op1, __entry->CRn,

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		  __entry->CRm, __entry->Op2,

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		  str_write_read(__entry->is_write))

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);

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TRACE_EVENT(kvm_set_guest_debug,

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	TP_PROTO(struct kvm_vcpu *vcpu, __u32 guest_debug),

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	TP_ARGS(vcpu, guest_debug),

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	TP_STRUCT__entry(

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		__field(struct kvm_vcpu *, vcpu)

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		__field(__u32, guest_debug)

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	),

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	TP_fast_assign(

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		__entry->vcpu = vcpu;

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		__entry->guest_debug = guest_debug;

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	),

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	TP_printk("vcpu: %p, flags: 0x%08x", __entry->vcpu, __entry->guest_debug)

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);

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#endif /* _TRACE_HANDLE_EXIT_ARM64_KVM_H */

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#undef TRACE_INCLUDE_PATH

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#define TRACE_INCLUDE_PATH .

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#undef TRACE_INCLUDE_FILE

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#define TRACE_INCLUDE_FILE trace_handle_exit

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/* This part must be outside protection */

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#include <trace/define_trace.h>

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