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 #include <signal.h>
  14
  15 int kvm_main_loop(void);
  16 int kvm_qemu_init(void);
  17 int kvm_qemu_create_context(void);
  18 void kvm_init_new_ap(int cpu, CPUState *env);
  19 int kvm_init_ap(void);
  20 void kvm_qemu_destroy(void);
  21 void kvm_load_registers(CPUState *env);
  22 void kvm_save_registers(CPUState *env);
  23 void kvm_load_mpstate(CPUState *env);
  24 void kvm_save_mpstate(CPUState *env);
  25 int kvm_cpu_exec(CPUState *env);
  26 int kvm_update_debugger(CPUState *env);
  27 int kvm_qemu_init_env(CPUState *env);
  28 int kvm_qemu_check_extension(int ext);
  29 void kvm_apic_init(CPUState *env);
  30 int kvm_set_irq(int irq, int level);
  31
  32 int kvm_physical_memory_set_dirty_tracking(int enable);
  33 int kvm_update_dirty_pages_log(void);
  34 int kvm_get_phys_ram_page_bitmap(unsigned char *bitmap);
  35
  36 void qemu_kvm_call_with_env(void (*func)(void *), void *data, CPUState *env);
  37 void qemu_kvm_cpuid_on_env(CPUState *env);
  38 void kvm_inject_interrupt(CPUState *env, int mask);
  39 void kvm_update_after_sipi(CPUState *env);
  40 void kvm_update_interrupt_request(CPUState *env);
  41 void kvm_cpu_register_physical_memory(target_phys_addr_t start_addr,
  42                                       unsigned long size,
  43                                       unsigned long phys_offset);
  44 void kvm_cpu_unregister_physical_memory(target_phys_addr_t start_addr,
  45                                         target_phys_addr_t size,
  46                                         unsigned long phys_offset);
  47 void *kvm_cpu_create_phys_mem(target_phys_addr_t start_addr,
  48                               unsigned long size, int log, int writable);
  49
  50 void kvm_cpu_destroy_phys_mem(target_phys_addr_t start_addr,
  51                               unsigned long size);
  52 void kvm_qemu_log_memory(target_phys_addr_t start, target_phys_addr_t size,
  53                          int log);
  54 int kvm_setup_guest_memory(void *area, unsigned long size);
  55 int kvm_qemu_create_memory_alias(uint64_t phys_start,
  56                                  uint64_t len,
  57                                  uint64_t target_phys);
  58 int kvm_qemu_destroy_memory_alias(uint64_t phys_start);
  59
  60 int kvm_arch_qemu_create_context(void);
  61
  62 void kvm_arch_save_regs(CPUState *env);
  63 void kvm_arch_load_regs(CPUState *env);
  64 int kvm_arch_qemu_init_env(CPUState *cenv);
  65 int kvm_arch_halt(void *opaque, int vcpu);
  66 void kvm_arch_pre_kvm_run(void *opaque, int vcpu);
  67 void kvm_arch_post_kvm_run(void *opaque, int vcpu);
  68 int kvm_arch_has_work(CPUState *env);
  69 int kvm_arch_try_push_interrupts(void *opaque);
  70 int kvm_arch_try_push_nmi(void *opaque);
  71 void kvm_arch_update_regs_for_sipi(CPUState *env);
  72 void kvm_arch_cpu_reset(CPUState *env);
  73
  74 CPUState *qemu_kvm_cpu_env(int index);
  75
  76 void qemu_kvm_aio_wait_start(void);
  77 void qemu_kvm_aio_wait(void);
  78 void qemu_kvm_aio_wait_end(void);
  79
  80 void qemu_kvm_notify_work(void);
  81
  82 void kvm_tpr_opt_setup();
  83 void kvm_tpr_access_report(CPUState *env, uint64_t rip, int is_write);
  84 int handle_tpr_access(void *opaque, int vcpu,
  85                              uint64_t rip, int is_write);
  86 void kvm_tpr_vcpu_start(CPUState *env);
  87
  88 int qemu_kvm_get_dirty_pages(unsigned long phys_addr, void *buf);
  89 int qemu_kvm_register_coalesced_mmio(target_phys_addr_t addr,
  90                                      unsigned int size);
  91 int qemu_kvm_unregister_coalesced_mmio(target_phys_addr_t addr,
  92                                        unsigned int size);
  93
  94 void qemu_kvm_system_reset_request(void);
  95
  96 #ifdef TARGET_PPC
  97 int handle_powerpc_dcr_read(int vcpu, uint32_t dcrn, uint32_t *data);
  98 int handle_powerpc_dcr_write(int vcpu,uint32_t dcrn, uint32_t data);
  99 #endif
 100
 101 #define ALIGN(x, y)  (((x)+(y)-1) & ~((y)-1))
 102 #define BITMAP_SIZE(m) (ALIGN(((m)>>TARGET_PAGE_BITS), HOST_LONG_BITS) / 8)
 103
 104 #ifdef USE_KVM
 105 #include "libkvm.h"
 106
 107 extern int kvm_allowed;
 108 extern kvm_context_t kvm_context;
 109
 110 #define kvm_enabled() (kvm_allowed)
 111 #define qemu_kvm_irqchip_in_kernel() kvm_irqchip_in_kernel(kvm_context)
 112 #define qemu_kvm_pit_in_kernel() kvm_pit_in_kernel(kvm_context)
 113 #define qemu_kvm_has_sync_mmu() kvm_has_sync_mmu(kvm_context)
 114 #else
 115 #define kvm_enabled() (0)
 116 #define qemu_kvm_irqchip_in_kernel() (0)
 117 #define qemu_kvm_pit_in_kernel() (0)
 118 #define qemu_kvm_has_sync_mmu() (0)
 119 #define kvm_load_registers(env) do {} while(0)
 120 #define kvm_save_registers(env) do {} while(0)
 121 #endif
 122
 123 void kvm_mutex_unlock(void);
 124 void kvm_mutex_lock(void);
 125
 126 static inline void kvm_sleep_begin(void)
 127 {
 128     if (kvm_enabled())
 129         kvm_mutex_unlock();
 130 }
 131
 132 static inline void kvm_sleep_end(void)
 133 {
 134     if (kvm_enabled())
 135         kvm_mutex_lock();
 136 }
 137
 138 #endif