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WSL2-Linux-Kernel
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WSL2-Linux-Kernel/arch/mips/kvm/trace.h

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C
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/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved.
* Authors: Sanjay Lal <sanjayl@kymasys.com>
*/
#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
#define TRACE_INCLUDE_PATH .
#define TRACE_INCLUDE_FILE trace
/*
* arch/mips/kvm/mips.c
*/
extern bool kvm_trace_guest_mode_change;
int kvm_guest_mode_change_trace_reg(void);
void kvm_guest_mode_change_trace_unreg(void);
/*
* Tracepoints for VM enters
*/
DECLARE_EVENT_CLASS(kvm_transition,
TP_PROTO(struct kvm_vcpu *vcpu),
TP_ARGS(vcpu),
TP_STRUCT__entry(
__field(unsigned long, pc)
),
TP_fast_assign(
__entry->pc = vcpu->arch.pc;
),
TP_printk("PC: 0x%08lx",
__entry->pc)
);
DEFINE_EVENT(kvm_transition, kvm_enter,
TP_PROTO(struct kvm_vcpu *vcpu),
TP_ARGS(vcpu));
DEFINE_EVENT(kvm_transition, kvm_reenter,
TP_PROTO(struct kvm_vcpu *vcpu),
TP_ARGS(vcpu));
DEFINE_EVENT(kvm_transition, kvm_out,
TP_PROTO(struct kvm_vcpu *vcpu),
TP_ARGS(vcpu));
/* The first 32 exit reasons correspond to Cause.ExcCode */
#define KVM_TRACE_EXIT_INT 0
#define KVM_TRACE_EXIT_TLBMOD 1
#define KVM_TRACE_EXIT_TLBMISS_LD 2
#define KVM_TRACE_EXIT_TLBMISS_ST 3
#define KVM_TRACE_EXIT_ADDRERR_LD 4
#define KVM_TRACE_EXIT_ADDRERR_ST 5
#define KVM_TRACE_EXIT_SYSCALL 8
#define KVM_TRACE_EXIT_BREAK_INST 9
#define KVM_TRACE_EXIT_RESVD_INST 10
#define KVM_TRACE_EXIT_COP_UNUSABLE 11
#define KVM_TRACE_EXIT_TRAP_INST 13
#define KVM_TRACE_EXIT_MSA_FPE 14
#define KVM_TRACE_EXIT_FPE 15
#define KVM_TRACE_EXIT_MSA_DISABLED 21
#define KVM_TRACE_EXIT_GUEST_EXIT 27
/* Further exit reasons */
#define KVM_TRACE_EXIT_WAIT 32
#define KVM_TRACE_EXIT_CACHE 33
#define KVM_TRACE_EXIT_SIGNAL 34
/* 32 exit reasons correspond to GuestCtl0.GExcCode (VZ) */
#define KVM_TRACE_EXIT_GEXCCODE_BASE 64
#define KVM_TRACE_EXIT_GPSI 64 /* 0 */
#define KVM_TRACE_EXIT_GSFC 65 /* 1 */
#define KVM_TRACE_EXIT_HC 66 /* 2 */
#define KVM_TRACE_EXIT_GRR 67 /* 3 */
#define KVM_TRACE_EXIT_GVA 72 /* 8 */
#define KVM_TRACE_EXIT_GHFC 73 /* 9 */
#define KVM_TRACE_EXIT_GPA 74 /* 10 */
/* Tracepoints for VM exits */
#define kvm_trace_symbol_exit_types \
{ KVM_TRACE_EXIT_INT, "Interrupt" }, \
{ KVM_TRACE_EXIT_TLBMOD, "TLB Mod" }, \
{ KVM_TRACE_EXIT_TLBMISS_LD, "TLB Miss (LD)" }, \
{ KVM_TRACE_EXIT_TLBMISS_ST, "TLB Miss (ST)" }, \
{ KVM_TRACE_EXIT_ADDRERR_LD, "Address Error (LD)" }, \
{ KVM_TRACE_EXIT_ADDRERR_ST, "Address Err (ST)" }, \
{ KVM_TRACE_EXIT_SYSCALL, "System Call" }, \
{ KVM_TRACE_EXIT_BREAK_INST, "Break Inst" }, \
{ KVM_TRACE_EXIT_RESVD_INST, "Reserved Inst" }, \
{ KVM_TRACE_EXIT_COP_UNUSABLE, "COP0/1 Unusable" }, \
{ KVM_TRACE_EXIT_TRAP_INST, "Trap Inst" }, \
{ KVM_TRACE_EXIT_MSA_FPE, "MSA FPE" }, \
{ KVM_TRACE_EXIT_FPE, "FPE" }, \
{ KVM_TRACE_EXIT_MSA_DISABLED, "MSA Disabled" }, \
{ KVM_TRACE_EXIT_GUEST_EXIT, "Guest Exit" }, \
{ KVM_TRACE_EXIT_WAIT, "WAIT" }, \
{ KVM_TRACE_EXIT_CACHE, "CACHE" }, \
{ KVM_TRACE_EXIT_SIGNAL, "Signal" }, \
{ KVM_TRACE_EXIT_GPSI, "GPSI" }, \
{ KVM_TRACE_EXIT_GSFC, "GSFC" }, \
{ KVM_TRACE_EXIT_HC, "HC" }, \
{ KVM_TRACE_EXIT_GRR, "GRR" }, \
{ KVM_TRACE_EXIT_GVA, "GVA" }, \
{ KVM_TRACE_EXIT_GHFC, "GHFC" }, \
{ KVM_TRACE_EXIT_GPA, "GPA" }
TRACE_EVENT(kvm_exit,
TP_PROTO(struct kvm_vcpu *vcpu, unsigned int reason),
TP_ARGS(vcpu, reason),
TP_STRUCT__entry(
__field(unsigned long, pc)
__field(unsigned int, reason)
),
TP_fast_assign(
__entry->pc = vcpu->arch.pc;
__entry->reason = reason;
),
TP_printk("[%s]PC: 0x%08lx",
__print_symbolic(__entry->reason,
kvm_trace_symbol_exit_types),
__entry->pc)
);
#define KVM_TRACE_MFC0 0
#define KVM_TRACE_MTC0 1
#define KVM_TRACE_DMFC0 2
#define KVM_TRACE_DMTC0 3
#define KVM_TRACE_RDHWR 4
#define KVM_TRACE_HWR_COP0 0
#define KVM_TRACE_HWR_HWR 1
#define KVM_TRACE_COP0(REG, SEL) ((KVM_TRACE_HWR_COP0 << 8) | \
((REG) << 3) | (SEL))
#define KVM_TRACE_HWR(REG, SEL) ((KVM_TRACE_HWR_HWR << 8) | \
((REG) << 3) | (SEL))
#define kvm_trace_symbol_hwr_ops \
{ KVM_TRACE_MFC0, "MFC0" }, \
{ KVM_TRACE_MTC0, "MTC0" }, \
{ KVM_TRACE_DMFC0, "DMFC0" }, \
{ KVM_TRACE_DMTC0, "DMTC0" }, \
{ KVM_TRACE_RDHWR, "RDHWR" }
#define kvm_trace_symbol_hwr_cop \
{ KVM_TRACE_HWR_COP0, "COP0" }, \
{ KVM_TRACE_HWR_HWR, "HWR" }
#define kvm_trace_symbol_hwr_regs \
{ KVM_TRACE_COP0( 0, 0), "Index" }, \
{ KVM_TRACE_COP0( 2, 0), "EntryLo0" }, \
{ KVM_TRACE_COP0( 3, 0), "EntryLo1" }, \
{ KVM_TRACE_COP0( 4, 0), "Context" }, \
{ KVM_TRACE_COP0( 4, 2), "UserLocal" }, \
{ KVM_TRACE_COP0( 5, 0), "PageMask" }, \
{ KVM_TRACE_COP0( 6, 0), "Wired" }, \
{ KVM_TRACE_COP0( 7, 0), "HWREna" }, \
{ KVM_TRACE_COP0( 8, 0), "BadVAddr" }, \
{ KVM_TRACE_COP0( 9, 0), "Count" }, \
{ KVM_TRACE_COP0(10, 0), "EntryHi" }, \
{ KVM_TRACE_COP0(11, 0), "Compare" }, \
{ KVM_TRACE_COP0(12, 0), "Status" }, \
{ KVM_TRACE_COP0(12, 1), "IntCtl" }, \
{ KVM_TRACE_COP0(12, 2), "SRSCtl" }, \
{ KVM_TRACE_COP0(13, 0), "Cause" }, \
{ KVM_TRACE_COP0(14, 0), "EPC" }, \
{ KVM_TRACE_COP0(15, 0), "PRId" }, \
{ KVM_TRACE_COP0(15, 1), "EBase" }, \
{ KVM_TRACE_COP0(16, 0), "Config" }, \
{ KVM_TRACE_COP0(16, 1), "Config1" }, \
{ KVM_TRACE_COP0(16, 2), "Config2" }, \
{ KVM_TRACE_COP0(16, 3), "Config3" }, \
{ KVM_TRACE_COP0(16, 4), "Config4" }, \
{ KVM_TRACE_COP0(16, 5), "Config5" }, \
{ KVM_TRACE_COP0(16, 7), "Config7" }, \
{ KVM_TRACE_COP0(17, 1), "MAAR" }, \
{ KVM_TRACE_COP0(17, 2), "MAARI" }, \
{ KVM_TRACE_COP0(26, 0), "ECC" }, \
{ KVM_TRACE_COP0(30, 0), "ErrorEPC" }, \
{ KVM_TRACE_COP0(31, 2), "KScratch1" }, \
{ KVM_TRACE_COP0(31, 3), "KScratch2" }, \
{ KVM_TRACE_COP0(31, 4), "KScratch3" }, \
{ KVM_TRACE_COP0(31, 5), "KScratch4" }, \
{ KVM_TRACE_COP0(31, 6), "KScratch5" }, \
{ KVM_TRACE_COP0(31, 7), "KScratch6" }, \
{ KVM_TRACE_HWR( 0, 0), "CPUNum" }, \
{ KVM_TRACE_HWR( 1, 0), "SYNCI_Step" }, \
{ KVM_TRACE_HWR( 2, 0), "CC" }, \
{ KVM_TRACE_HWR( 3, 0), "CCRes" }, \
{ KVM_TRACE_HWR(29, 0), "ULR" }
TRACE_EVENT(kvm_hwr,
TP_PROTO(struct kvm_vcpu *vcpu, unsigned int op, unsigned int reg,
unsigned long val),
TP_ARGS(vcpu, op, reg, val),
TP_STRUCT__entry(
__field(unsigned long, val)
__field(u16, reg)
__field(u8, op)
),
TP_fast_assign(
__entry->val = val;
__entry->reg = reg;
__entry->op = op;
),
TP_printk("%s %s (%s:%u:%u) 0x%08lx",
__print_symbolic(__entry->op,
kvm_trace_symbol_hwr_ops),
__print_symbolic(__entry->reg,
kvm_trace_symbol_hwr_regs),
__print_symbolic(__entry->reg >> 8,
kvm_trace_symbol_hwr_cop),
(__entry->reg >> 3) & 0x1f,
__entry->reg & 0x7,
__entry->val)
);
#define KVM_TRACE_AUX_RESTORE 0
#define KVM_TRACE_AUX_SAVE 1
#define KVM_TRACE_AUX_ENABLE 2
#define KVM_TRACE_AUX_DISABLE 3
#define KVM_TRACE_AUX_DISCARD 4
#define KVM_TRACE_AUX_FPU 1
#define KVM_TRACE_AUX_MSA 2
#define KVM_TRACE_AUX_FPU_MSA 3
#define kvm_trace_symbol_aux_op \
{ KVM_TRACE_AUX_RESTORE, "restore" }, \
{ KVM_TRACE_AUX_SAVE, "save" }, \
{ KVM_TRACE_AUX_ENABLE, "enable" }, \
{ KVM_TRACE_AUX_DISABLE, "disable" }, \
{ KVM_TRACE_AUX_DISCARD, "discard" }
#define kvm_trace_symbol_aux_state \
{ KVM_TRACE_AUX_FPU, "FPU" }, \
{ KVM_TRACE_AUX_MSA, "MSA" }, \
{ KVM_TRACE_AUX_FPU_MSA, "FPU & MSA" }
TRACE_EVENT(kvm_aux,
TP_PROTO(struct kvm_vcpu *vcpu, unsigned int op,
unsigned int state),
TP_ARGS(vcpu, op, state),
TP_STRUCT__entry(
__field(unsigned long, pc)
__field(u8, op)
__field(u8, state)
),
TP_fast_assign(
__entry->pc = vcpu->arch.pc;
__entry->op = op;
__entry->state = state;
),
TP_printk("%s %s PC: 0x%08lx",
__print_symbolic(__entry->op,
kvm_trace_symbol_aux_op),
__print_symbolic(__entry->state,
kvm_trace_symbol_aux_state),
__entry->pc)
);
TRACE_EVENT(kvm_asid_change,
TP_PROTO(struct kvm_vcpu *vcpu, unsigned int old_asid,
unsigned int new_asid),
TP_ARGS(vcpu, old_asid, new_asid),
TP_STRUCT__entry(
__field(unsigned long, pc)
__field(u8, old_asid)
__field(u8, new_asid)
),
TP_fast_assign(
__entry->pc = vcpu->arch.pc;
__entry->old_asid = old_asid;
__entry->new_asid = new_asid;
),
TP_printk("PC: 0x%08lx old: 0x%02x new: 0x%02x",
__entry->pc,
__entry->old_asid,
__entry->new_asid)
);
TRACE_EVENT(kvm_guestid_change,
TP_PROTO(struct kvm_vcpu *vcpu, unsigned int guestid),
TP_ARGS(vcpu, guestid),
TP_STRUCT__entry(
__field(unsigned int, guestid)
),
TP_fast_assign(
__entry->guestid = guestid;
),
TP_printk("GuestID: 0x%02x",
__entry->guestid)
);
TRACE_EVENT_FN(kvm_guest_mode_change,
TP_PROTO(struct kvm_vcpu *vcpu),
TP_ARGS(vcpu),
TP_STRUCT__entry(
__field(unsigned long, epc)
__field(unsigned long, pc)
__field(unsigned long, badvaddr)
__field(unsigned int, status)
__field(unsigned int, cause)
),
TP_fast_assign(
__entry->epc = kvm_read_c0_guest_epc(&vcpu->arch.cop0);
__entry->pc = vcpu->arch.pc;
__entry->badvaddr = kvm_read_c0_guest_badvaddr(&vcpu->arch.cop0);
__entry->status = kvm_read_c0_guest_status(&vcpu->arch.cop0);
__entry->cause = kvm_read_c0_guest_cause(&vcpu->arch.cop0);
),
TP_printk("EPC: 0x%08lx PC: 0x%08lx Status: 0x%08x Cause: 0x%08x BadVAddr: 0x%08lx",
__entry->epc,
__entry->pc,
__entry->status,
__entry->cause,
__entry->badvaddr),
kvm_guest_mode_change_trace_reg,
kvm_guest_mode_change_trace_unreg
);
#endif /* _TRACE_KVM_H */
/* This part must be outside protection */
#include <trace/define_trace.h>
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