qemu-kvm.h

   1 /*
   2  * qemu/kvm integration
   3  *
   4  * Copyright (C) 2006-2008 Qumranet Technologies
   5  *
   6  * Licensed under the terms of the GNU GPL version 2 or higher.
   7  */
   8 #ifndef QEMU_KVM_H
   9 #define QEMU_KVM_H
  10
  11 #include "cpu.h"
  12
  13 int kvm_main_loop(void);
  14 int kvm_qemu_init(void);
  15 int kvm_qemu_create_context(void);
  16 int kvm_init_ap(void);
  17 void kvm_qemu_destroy(void);
  18 void kvm_load_registers(CPUState *env);
  19 void kvm_save_registers(CPUState *env);
  20 int kvm_cpu_exec(CPUState *env);
  21 int kvm_update_debugger(CPUState *env);
  22 int kvm_qemu_init_env(CPUState *env);
  23 int kvm_qemu_check_extension(int ext);
  24 void kvm_apic_init(CPUState *env);
  25 int kvm_set_irq(int irq, int level);
  26
  27 int kvm_physical_memory_set_dirty_tracking(int enable);
  28 int kvm_update_dirty_pages_log(void);
  29 int kvm_get_phys_ram_page_bitmap(unsigned char *bitmap);
  30
  31 void qemu_kvm_call_with_env(void (*func)(void *), void *data, CPUState *env);
  32 void qemu_kvm_cpuid_on_env(CPUState *env);
  33 void kvm_update_after_sipi(CPUState *env);
  34 void kvm_update_interrupt_request(CPUState *env);
  35 void kvm_cpu_register_physical_memory(target_phys_addr_t start_addr,
  36                                       unsigned long size,
  37                                       unsigned long phys_offset);
  38 void *kvm_cpu_create_phys_mem(target_phys_addr_t start_addr,
  39                               unsigned long size, int log, int writable);
  40
  41 void kvm_cpu_destroy_phys_mem(target_phys_addr_t start_addr,
  42                               unsigned long size);
  43
  44 int kvm_arch_qemu_create_context(void);
  45
  46 void kvm_arch_save_regs(CPUState *env);
  47 void kvm_arch_load_regs(CPUState *env);
  48 int kvm_arch_qemu_init_env(CPUState *cenv);
  49 int kvm_arch_halt(void *opaque, int vcpu);
  50 void kvm_arch_pre_kvm_run(void *opaque, int vcpu);
  51 void kvm_arch_post_kvm_run(void *opaque, int vcpu);
  52 int kvm_arch_has_work(CPUState *env);
  53 int kvm_arch_try_push_interrupts(void *opaque);
  54 void kvm_arch_update_regs_for_sipi(CPUState *env);
  55
  56 CPUState *qemu_kvm_cpu_env(int index);
  57
  58 void qemu_kvm_aio_wait_start(void);
  59 void qemu_kvm_aio_wait(void);
  60 void qemu_kvm_aio_wait_end(void);
  61
  62 void kvm_tpr_opt_setup();
  63 void kvm_tpr_access_report(CPUState *env, uint64_t rip, int is_write);
  64 int handle_tpr_access(void *opaque, int vcpu,
  65                              uint64_t rip, int is_write);
  66 void kvm_tpr_vcpu_start(CPUState *env);
  67
  68 int qemu_kvm_get_dirty_pages(unsigned long phys_addr, void *buf);
  69
  70 #ifdef TARGET_PPC
  71 int handle_powerpc_dcr_read(int vcpu, uint32_t dcrn, uint32_t *data);
  72 int handle_powerpc_dcr_write(int vcpu,uint32_t dcrn, uint32_t data);
  73 #endif
  74
  75 #define ALIGN(x, y)  (((x)+(y)-1) & ~((y)-1))
  76 #define BITMAP_SIZE(m) (ALIGN(((m)>>TARGET_PAGE_BITS), HOST_LONG_BITS) / 8)
  77
  78 #ifdef USE_KVM
  79 #include "libkvm.h"
  80
  81 extern int kvm_allowed;
  82 extern kvm_context_t kvm_context;
  83
  84 #define kvm_enabled() (kvm_allowed)
  85 #define qemu_kvm_irqchip_in_kernel() kvm_irqchip_in_kernel(kvm_context)
  86 #else
  87 #define kvm_enabled() (0)
  88 #define qemu_kvm_irqchip_in_kernel() (0)
  89 #endif
  90
  91 #endif