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
  97     /* if true the CPUID code directly forward host cache leaves to the guest */
  98     bool cache_info_passthrough;
  99
 100     /* Features that were filtered out because of missing host capabilities */
 101     uint32_t filtered_features[FEATURE_WORDS];
 102
 103     /* Enable PMU CPUID bits. This can't be enabled by default yet because
 104      * it doesn't have ABI stability guarantees, as it passes all PMU CPUID
 105      * bits returned by GET_SUPPORTED_CPUID (that depend on host CPU and kernel
 106      * capabilities) directly to the guest.
 107      */
 108     bool enable_pmu;
 109
 110     /* in order to simplify APIC support, we leave this pointer to the
 111        user */
 112     struct DeviceState *apic_state;
 113 } X86CPU;
 114
 115 static inline X86CPU *x86_env_get_cpu(CPUX86State *env)
 116 {
 117     return container_of(env, X86CPU, env);
 118 }
 119
 120 #define ENV_GET_CPU(e) CPU(x86_env_get_cpu(e))
 121
 122 #define ENV_OFFSET offsetof(X86CPU, env)
 123
 124 #ifndef CONFIG_USER_ONLY
 125 extern struct VMStateDescription vmstate_x86_cpu;
 126 #endif
 127
 128 /**
 129  * x86_cpu_do_interrupt:
 130  * @cpu: vCPU the interrupt is to be handled by.
 131  */
 132 void x86_cpu_do_interrupt(CPUState *cpu);
 133 bool x86_cpu_exec_interrupt(CPUState *cpu, int int_req);
 134
 135 int x86_cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cpu,
 136                              int cpuid, void *opaque);
 137 int x86_cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cpu,
 138                              int cpuid, void *opaque);
 139 int x86_cpu_write_elf64_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
 140                                  void *opaque);
 141 int x86_cpu_write_elf32_qemunote(WriteCoreDumpFunction f, CPUState *cpu,
 142                                  void *opaque);
 143
 144 void x86_cpu_get_memory_mapping(CPUState *cpu, MemoryMappingList *list,
 145                                 Error **errp);
 146
 147 void x86_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf,
 148                         int flags);
 149
 150 hwaddr x86_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr);
 151
 152 int x86_cpu_gdb_read_register(CPUState *cpu, uint8_t *buf, int reg);
 153 int x86_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
 154
 155 void x86_cpu_exec_enter(CPUState *cpu);
 156 void x86_cpu_exec_exit(CPUState *cpu);
 157
 158 #endif