target-i386/cpu-qom.h

   1 /*
   2  * QEMU x86 CPU
   3  *
   4  * Copyright (c) 2012 SUSE LINUX Products GmbH
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, see
  18  * <http://www.gnu.org/licenses/lgpl-2.1.html>
  19  */
  20 #ifndef QEMU_I386_CPU_QOM_H
  21 #define QEMU_I386_CPU_QOM_H
  22
  23 #include "qom/cpu.h"
  24 #include "cpu.h"
  25 #include "qapi/error.h"
  26
  27 #ifdef TARGET_X86_64
  28 #define TYPE_X86_CPU "x86_64-cpu"
  29 #else
  30 #define TYPE_X86_CPU "i386-cpu"
  31 #endif
  32
  33 #define X86_CPU_CLASS(klass) \
  34     OBJECT_CLASS_CHECK(X86CPUClass, (klass), TYPE_X86_CPU)
  35 #define X86_CPU(obj) \
  36     OBJECT_CHECK(X86CPU, (obj), TYPE_X86_CPU)
  37 #define X86_CPU_GET_CLASS(obj) \
  38     OBJECT_GET_CLASS(X86CPUClass, (obj), TYPE_X86_CPU)
  39
  40 /**
  41  * X86CPUDefinition:
  42  *
  43  * CPU model definition data that was not converted to QOM per-subclass
  44  * property defaults yet.
  45  */
  46 typedef struct X86CPUDefinition X86CPUDefinition;
  47
  48 /**
  49  * X86CPUClass:
  50  * @cpu_def: CPU model definition
  51  * @kvm_required: Whether CPU model requires KVM to be enabled.
  52  * @parent_realize: The parent class' realize handler.
  53  * @parent_reset: The parent class' reset handler.
  54  *
  55  * An x86 CPU model or family.
  56  */
  57 typedef struct X86CPUClass {
  58     /*< private >*/
  59     CPUClass parent_class;
  60     /*< public >*/
  61
  62     /* Should be eventually replaced by subclass-specific property defaults. */
  63     X86CPUDefinition *cpu_def;
  64
  65     bool kvm_required;
  66
  67     DeviceRealize parent_realize;
  68     void (*parent_reset)(CPUState *cpu);
  69 } X86CPUClass;
  70
  71 /**
  72  * X86CPU:
  73  * @env: #CPUX86State
  74  * @migratable: If set, only migratable flags will be accepted when "enforce"
  75  * mode is used, and only migratable flags will be included in the "host"
  76  * CPU model.
  77  *
  78  * An x86 CPU.
  79  */
  80 typedef struct X86CPU {
  81     /*< private >*/
  82     CPUState parent_obj;
  83     /*< public >*/
  84
  85     CPUX86State env;
  86
  87     bool hyperv_vapic;
  88     bool hyperv_relaxed_timing;
  89     int hyperv_spinlock_attempts;
  90     bool hyperv_time;
  91     bool check_cpuid;
  92     bool enforce_cpuid;
  93     bool expose_kvm;
  94     bool migratable;
  95     bool host_features;
  96     int64_t apic_id;
  97
  98     /* if true the CPUID code directly forward host cache leaves to the guest */
  99     bool cache_info_passthrough;
 100
 101     /* Features that were filtered out because of missing host capabilities */
 102     uint32_t filtered_features[FEATURE_WORDS];
 103
 104     /* Enable PMU CPUID bits. This can't be enabled by default yet because
 105      * it doesn't have ABI stability guarantees, as it passes all PMU CPUID
 106      * bits returned by GET_SUPPORTED_CPUID (that depend on host CPU and kernel
 107      * capabilities) directly to the guest.
 108      */
 109     bool enable_pmu;
 110
 111     /* in order to simplify APIC support, we leave this pointer to the
 112        user */
 113     struct DeviceState *apic_state;
 114 } X86CPU;
 115
 116 static inline X86CPU *x86_env_get_cpu(CPUX86State *env)
 117 {
 118     return container_of(env, X86CPU, env);
 119 }
 120
 121 #define ENV_GET_CPU(e) CPU(x86_env_get_cpu(e))
 122
 123 #define ENV_OFFSET offsetof(X86CPU, env)
 124
 125 #ifndef CONFIG_USER_ONLY
 126 extern struct VMStateDescription vmstate_x86_cpu;
 127 #endif
 128
 129 /**
 130  * x86_cpu_do_interrupt:
 131  * @cpu: vCPU the interrupt is to be handled by.
 132  */
 133 void x86_cpu_do_interrupt(CPUState *cpu);
 134 bool x86_cpu_exec_interrupt(CPUState *cpu, int int_req);
 135
 136 int x86_cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cpu,
 137                              int cpuid, void *opaque);
 138 int x86_cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cpu,
 139                              int cpuid, void *opaque);
 140 int x86_cpu_write_elf64_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
 141                                  void *opaque);
 142 int x86_cpu_write_elf32_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
 143                                  void *opaque);
 144
 145 void x86_cpu_get_memory_mapping(CPUState *cpu, MemoryMappingList *list,
 146                                 Error **errp);
 147
 148 void x86_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf,
 149                         int flags);
 150
 151 hwaddr x86_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr);
 152
 153 int x86_cpu_gdb_read_register(CPUState *cpu, uint8_t *buf, int reg);
 154 int x86_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
 155
 156 void x86_cpu_exec_enter(CPUState *cpu);
 157 void x86_cpu_exec_exit(CPUState *cpu);
 158
 159 #endif