target/i386/kvm_i386.h

   1 /*
   2  * QEMU KVM support -- x86 specific functions.
   3  *
   4  * Copyright (c) 2012 Linaro Limited
   5  *
   6  * This work is licensed under the terms of the GNU GPL, version 2 or later.
   7  * See the COPYING file in the top-level directory.
   8  *
   9  */
  10
  11 #ifndef QEMU_KVM_I386_H
  12 #define QEMU_KVM_I386_H
  13
  14 #include "sysemu/kvm.h"
  15
  16 #define kvm_apic_in_kernel() (kvm_irqchip_in_kernel())
  17
  18 #ifdef CONFIG_KVM
  19
  20 #define kvm_pit_in_kernel() \
  21     (kvm_irqchip_in_kernel() && !kvm_irqchip_is_split())
  22 #define kvm_pic_in_kernel()  \
  23     (kvm_irqchip_in_kernel() && !kvm_irqchip_is_split())
  24 #define kvm_ioapic_in_kernel() \
  25     (kvm_irqchip_in_kernel() && !kvm_irqchip_is_split())
  26
  27 #else
  28
  29 #define kvm_pit_in_kernel()      0
  30 #define kvm_pic_in_kernel()      0
  31 #define kvm_ioapic_in_kernel()   0
  32
  33 /* These constants must never be used at runtime if kvm_enabled() is false.
  34  * They exist so we don't need #ifdefs around KVM-specific code that already
  35  * checks kvm_enabled() properly.
  36  */
  37 #define KVM_CPUID_FEATURES       0
  38
  39 #endif  /* CONFIG_KVM */
  40
  41 bool kvm_allows_irq0_override(void);
  42 bool kvm_has_smm(void);
  43 bool kvm_has_adjust_clock_stable(void);
  44 void kvm_synchronize_all_tsc(void);
  45 void kvm_arch_reset_vcpu(X86CPU *cs);
  46 void kvm_arch_do_init_vcpu(X86CPU *cs);
  47
  48 int kvm_device_pci_assign(KVMState *s, PCIHostDeviceAddress *dev_addr,
  49                           uint32_t flags, uint32_t *dev_id);
  50 int kvm_device_pci_deassign(KVMState *s, uint32_t dev_id);
  51
  52 int kvm_device_intx_assign(KVMState *s, uint32_t dev_id,
  53                            bool use_host_msi, uint32_t guest_irq);
  54 int kvm_device_intx_set_mask(KVMState *s, uint32_t dev_id, bool masked);
  55 int kvm_device_intx_deassign(KVMState *s, uint32_t dev_id, bool use_host_msi);
  56
  57 int kvm_device_msi_assign(KVMState *s, uint32_t dev_id, int virq);
  58 int kvm_device_msi_deassign(KVMState *s, uint32_t dev_id);
  59
  60 bool kvm_device_msix_supported(KVMState *s);
  61 int kvm_device_msix_init_vectors(KVMState *s, uint32_t dev_id,
  62                                  uint32_t nr_vectors);
  63 int kvm_device_msix_set_vector(KVMState *s, uint32_t dev_id, uint32_t vector,
  64                                int virq);
  65 int kvm_device_msix_assign(KVMState *s, uint32_t dev_id);
  66 int kvm_device_msix_deassign(KVMState *s, uint32_t dev_id);
  67
  68 void kvm_put_apicbase(X86CPU *cpu, uint64_t value);
  69
  70 bool kvm_enable_x2apic(void);
  71 bool kvm_has_x2apic_api(void);
  72 #endif