1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Copyright (C) 2020-2022 Loongson Technology Corporation Limited 4 */ 5 6 #if !defined(_TRACE_KVM_H) || defined(TRACE_HEADER_MULTI_READ) 7 #define _TRACE_KVM_H 8 9 #include <linux/tracepoint.h> 10 #include "kvm_compat.h" 11 #include "kvmcsr.h" 12 13 #undef TRACE_SYSTEM 14 #define TRACE_SYSTEM kvm 15 #define TRACE_INCLUDE_PATH . 16 #define TRACE_INCLUDE_FILE trace 17 18 /* 19 * arch/loongarch/kvm/loongarch.c 20 */ 21 extern bool kvm_trace_guest_mode_change; 22 int kvm_guest_mode_change_trace_reg(void); 23 void kvm_guest_mode_change_trace_unreg(void); 24 25 /* 26 * Tracepoints for VM enters 27 */ 28 DECLARE_EVENT_CLASS(kvm_transition, 29 TP_PROTO(struct kvm_vcpu *vcpu), 30 TP_ARGS(vcpu), 31 TP_STRUCT__entry( 32 __field(unsigned long, pc) 33 ), 34 35 TP_fast_assign( 36 __entry->pc = vcpu->arch.pc; 37 ), 38 39 TP_printk("PC: 0x%08lx", 40 __entry->pc) 41 ); 42 43 DEFINE_EVENT(kvm_transition, kvm_enter, 44 TP_PROTO(struct kvm_vcpu *vcpu), 45 TP_ARGS(vcpu)); 46 47 DEFINE_EVENT(kvm_transition, kvm_reenter, 48 TP_PROTO(struct kvm_vcpu *vcpu), 49 TP_ARGS(vcpu)); 50 51 DEFINE_EVENT(kvm_transition, kvm_out, 52 TP_PROTO(struct kvm_vcpu *vcpu), 53 TP_ARGS(vcpu)); 54 55 /* The first 32 exit reasons correspond to Cause.ExcCode */ 56 #define KVM_TRACE_EXIT_INT 0 57 #define KVM_TRACE_EXIT_TLBLD (EXCCODE_TLBL) 58 #define KVM_TRACE_EXIT_TLBST (EXCCODE_TLBS) 59 #define KVM_TRACE_EXIT_TLBI (EXCCODE_TLBI) 60 #define KVM_TRACE_EXIT_TLBMOD (EXCCODE_TLBM) 61 #define KVM_TRACE_EXIT_TLBNR (EXCCODE_TLBNR) 62 #define KVM_TRACE_EXIT_TLBNX (EXCCODE_TLBNX) 63 #define KVM_TRACE_EXIT_TLBPE (EXCCODE_TLBPE) 64 #define KVM_TRACE_EXIT_ADDE (EXCCODE_ADE) 65 #define KVM_TRACE_EXIT_UNALIGN (EXCCODE_ALE) 66 #define KVM_TRACE_EXIT_ODB (EXCCODE_BCE) 67 #define KVM_TRACE_EXIT_SYSCALL (EXCCODE_SYS) 68 #define KVM_TRACE_EXIT_BP (EXCCODE_BP) 69 #define KVM_TRACE_EXIT_INE (EXCCODE_INE) 70 #define KVM_TRACE_EXIT_IPE (EXCCODE_IPE) 71 #define KVM_TRACE_EXIT_FPDIS (EXCCODE_FPDIS) 72 #define KVM_TRACE_EXIT_LSXDIS (EXCCODE_LSXDIS) 73 #define KVM_TRACE_EXIT_LASXDIS (EXCCODE_LASXDIS) 74 #define KVM_TRACE_EXIT_FPE (EXCCODE_FPE) 75 #define KVM_TRACE_EXIT_WATCH (EXCCODE_WATCH) 76 #define KVM_TRACE_EXIT_GSPR (EXCCODE_GSPR) 77 #define KVM_TRACE_EXIT_HC (EXCCODE_HVC) 78 #define KVM_TRACE_EXIT_GCM (EXCCODE_GCM) 79 80 /* Further exit reasons */ 81 #define KVM_TRACE_EXIT_IDLE 64 82 #define KVM_TRACE_EXIT_CACHE 65 83 #define KVM_TRACE_EXIT_SIGNAL 66 84 85 /* Tracepoints for VM exits */ 86 #define kvm_trace_symbol_exit_types \ 87 { KVM_TRACE_EXIT_INT, "Interrupt" }, \ 88 { KVM_TRACE_EXIT_TLBLD, "TLB (LD)" }, \ 89 { KVM_TRACE_EXIT_TLBST, "TLB (ST)" }, \ 90 { KVM_TRACE_EXIT_TLBI, "TLB Ifetch" }, \ 91 { KVM_TRACE_EXIT_TLBMOD, "TLB Mod" }, \ 92 { KVM_TRACE_EXIT_TLBNR, "TLB RI" }, \ 93 { KVM_TRACE_EXIT_TLBNX, "TLB XI" }, \ 94 { KVM_TRACE_EXIT_TLBPE, "TLB Previlege Error" },\ 95 { KVM_TRACE_EXIT_ADDE, "Address Error" }, \ 96 { KVM_TRACE_EXIT_UNALIGN, "Address unalign" }, \ 97 { KVM_TRACE_EXIT_ODB, "Out boundary" }, \ 98 { KVM_TRACE_EXIT_SYSCALL, "System Call" }, \ 99 { KVM_TRACE_EXIT_BP, "Breakpoint" }, \ 100 { KVM_TRACE_EXIT_INE, "Reserved Inst" }, \ 101 { KVM_TRACE_EXIT_IPE, "Inst prev error" }, \ 102 { KVM_TRACE_EXIT_FPDIS, "FPU disable" }, \ 103 { KVM_TRACE_EXIT_LSXDIS, "LSX disable" }, \ 104 { KVM_TRACE_EXIT_LASXDIS, "LASX disable" }, \ 105 { KVM_TRACE_EXIT_FPE, "FPE" }, \ 106 { KVM_TRACE_EXIT_WATCH, "DEBUG" }, \ 107 { KVM_TRACE_EXIT_GSPR, "GSPR" }, \ 108 { KVM_TRACE_EXIT_HC, "Hypercall" }, \ 109 { KVM_TRACE_EXIT_GCM, "CSR Mod" }, \ 110 { KVM_TRACE_EXIT_IDLE, "IDLE" }, \ 111 { KVM_TRACE_EXIT_CACHE, "CACHE" }, \ 112 { KVM_TRACE_EXIT_SIGNAL, "Signal" } 113 114 TRACE_EVENT(kvm_exit, 115 TP_PROTO(struct kvm_vcpu *vcpu, unsigned int reason), 116 TP_ARGS(vcpu, reason), 117 TP_STRUCT__entry( 118 __field(unsigned long, pc) 119 __field(unsigned int, reason) 120 ), 121 122 TP_fast_assign( 123 __entry->pc = vcpu->arch.pc; 124 __entry->reason = reason; 125 ), 126 127 TP_printk("[%s]PC: 0x%08lx", 128 __print_symbolic(__entry->reason, 129 kvm_trace_symbol_exit_types), 130 __entry->pc) 131 ); 132 133 #define KVM_TRACE_AUX_RESTORE 0 134 #define KVM_TRACE_AUX_SAVE 1 135 #define KVM_TRACE_AUX_ENABLE 2 136 #define KVM_TRACE_AUX_DISABLE 3 137 #define KVM_TRACE_AUX_DISCARD 4 138 139 #define KVM_TRACE_AUX_FPU 1 140 #define KVM_TRACE_AUX_LSX 2 141 #define KVM_TRACE_AUX_FPU_LSX 3 142 #define KVM_TRACE_AUX_LASX 4 143 #define KVM_TRACE_AUX_FPU_LSX_LASX 7 144 145 #define kvm_trace_symbol_aux_op \ 146 { KVM_TRACE_AUX_RESTORE, "restore" }, \ 147 { KVM_TRACE_AUX_SAVE, "save" }, \ 148 { KVM_TRACE_AUX_ENABLE, "enable" }, \ 149 { KVM_TRACE_AUX_DISABLE, "disable" }, \ 150 { KVM_TRACE_AUX_DISCARD, "discard" } 151 152 #define kvm_trace_symbol_aux_state \ 153 { KVM_TRACE_AUX_FPU, "FPU" }, \ 154 { KVM_TRACE_AUX_LSX, "LSX" }, \ 155 { KVM_TRACE_AUX_LASX, "LASX" }, \ 156 { KVM_TRACE_AUX_FPU_LSX, "FPU & LSX" }, \ 157 { KVM_TRACE_AUX_FPU_LSX_LASX, "FPU & LSX & LASX" } 158 159 TRACE_EVENT(kvm_aux, 160 TP_PROTO(struct kvm_vcpu *vcpu, unsigned int op, 161 unsigned int state), 162 TP_ARGS(vcpu, op, state), 163 TP_STRUCT__entry( 164 __field(unsigned long, pc) 165 __field(u8, op) 166 __field(u8, state) 167 ), 168 169 TP_fast_assign( 170 __entry->pc = vcpu->arch.pc; 171 __entry->op = op; 172 __entry->state = state; 173 ), 174 175 TP_printk("%s %s PC: 0x%08lx", 176 __print_symbolic(__entry->op, 177 kvm_trace_symbol_aux_op), 178 __print_symbolic(__entry->state, 179 kvm_trace_symbol_aux_state), 180 __entry->pc) 181 ); 182 183 TRACE_EVENT(kvm_vpid_change, 184 TP_PROTO(struct kvm_vcpu *vcpu, unsigned long vpid), 185 TP_ARGS(vcpu, vpid), 186 TP_STRUCT__entry( 187 __field(unsigned long, vpid) 188 ), 189 190 TP_fast_assign( 191 __entry->vpid = vpid; 192 ), 193 194 TP_printk("vpid: 0x%08lx", 195 __entry->vpid) 196 ); 197 198 #endif /* _TRACE_KVM_H */ 199 200 /* This part must be outside protection */ 201 #include <trace/define_trace.h> 202