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 THE_ORIGINAL_AND_TRUE_QEMU_KVM_H
   9 #define THE_ORIGINAL_AND_TRUE_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 int kvm_init_ap(void);
  19 void kvm_qemu_destroy(void);
  20 void kvm_load_registers(CPUState *env);
  21 void kvm_save_registers(CPUState *env);
  22 void kvm_load_mpstate(CPUState *env);
  23 void kvm_save_mpstate(CPUState *env);
  24 int kvm_cpu_exec(CPUState *env);
  25 int kvm_update_debugger(CPUState *env);
  26 int kvm_qemu_init_env(CPUState *env);
  27 int kvm_qemu_check_extension(int ext);
  28 void kvm_apic_init(CPUState *env);
  29 int kvm_set_irq(int irq, int level);
  30
  31 int kvm_physical_memory_set_dirty_tracking(int enable);
  32 int kvm_update_dirty_pages_log(void);
  33 int kvm_get_phys_ram_page_bitmap(unsigned char *bitmap);
  34
  35 void qemu_kvm_call_with_env(void (*func)(void *), void *data, CPUState *env);
  36 void qemu_kvm_cpuid_on_env(CPUState *env);
  37 void kvm_inject_interrupt(CPUState *env, int mask);
  38 void kvm_update_after_sipi(CPUState *env);
  39 void kvm_update_interrupt_request(CPUState *env);
  40 void kvm_cpu_register_physical_memory(target_phys_addr_t start_addr,
  41                                       unsigned long size,
  42                                       unsigned long phys_offset);
  43 void kvm_cpu_unregister_physical_memory(target_phys_addr_t start_addr,
  44                                         target_phys_addr_t size,
  45                                         unsigned long phys_offset);
  46 void *kvm_cpu_create_phys_mem(target_phys_addr_t start_addr,
  47                               unsigned long size, int log, int writable);
  48
  49 void kvm_cpu_destroy_phys_mem(target_phys_addr_t start_addr,
  50                               unsigned long size);
  51 void kvm_qemu_log_memory(target_phys_addr_t start, target_phys_addr_t size,
  52                          int log);
  53 int kvm_setup_guest_memory(void *area, unsigned long size);
  54 int kvm_qemu_create_memory_alias(uint64_t phys_start,
  55                                  uint64_t len,
  56                                  uint64_t target_phys);
  57 int kvm_qemu_destroy_memory_alias(uint64_t phys_start);
  58
  59 int kvm_arch_qemu_create_context(void);
  60
  61 void kvm_arch_save_regs(CPUState *env);
  62 void kvm_arch_load_regs(CPUState *env);
  63 int kvm_arch_qemu_init_env(CPUState *cenv);
  64 int kvm_arch_halt(void *opaque, int vcpu);
  65 void kvm_arch_pre_kvm_run(void *opaque, CPUState *env);
  66 void kvm_arch_post_kvm_run(void *opaque, CPUState *env);
  67 int kvm_arch_has_work(CPUState *env);
  68 int kvm_arch_try_push_interrupts(void *opaque);
  69 void kvm_arch_push_nmi(void *opaque);
  70 void kvm_arch_update_regs_for_sipi(CPUState *env);
  71 void kvm_arch_cpu_reset(CPUState *env);
  72
  73 void qemu_kvm_aio_wait_start(void);
  74 void qemu_kvm_aio_wait(void);
  75 void qemu_kvm_aio_wait_end(void);
  76
  77 void qemu_kvm_notify_work(void);
  78
  79 void kvm_tpr_opt_setup();
  80 void kvm_tpr_access_report(CPUState *env, uint64_t rip, int is_write);
  81 int handle_tpr_access(void *opaque, int vcpu,
  82                              uint64_t rip, int is_write);
  83 void kvm_tpr_vcpu_start(CPUState *env);
  84
  85 int qemu_kvm_get_dirty_pages(unsigned long phys_addr, void *buf);
  86 int qemu_kvm_register_coalesced_mmio(target_phys_addr_t addr,
  87                                      unsigned int size);
  88 int qemu_kvm_unregister_coalesced_mmio(target_phys_addr_t addr,
  89                                        unsigned int size);
  90
  91 void qemu_kvm_system_reset_request(void);
  92
  93 #ifdef USE_KVM_DEVICE_ASSIGNMENT
  94 void kvm_ioperm(CPUState *env, void *data);
  95 void kvm_arch_do_ioperm(void *_data);
  96 #endif
  97
  98 #ifdef TARGET_PPC
  99 int handle_powerpc_dcr_read(int vcpu, uint32_t dcrn, uint32_t *data);
 100 int handle_powerpc_dcr_write(int vcpu,uint32_t dcrn, uint32_t data);
 101 #endif
 102
 103 #define ALIGN(x, y)  (((x)+(y)-1) & ~((y)-1))
 104 #define BITMAP_SIZE(m) (ALIGN(((m)>>TARGET_PAGE_BITS), HOST_LONG_BITS) / 8)
 105
 106 #ifdef USE_KVM
 107 #include "libkvm.h"
 108 #include "sys-queue.h"
 109
 110 extern int kvm_allowed;
 111 extern kvm_context_t kvm_context;
 112
 113 struct ioperm_data {
 114     unsigned long start_port;
 115     unsigned long num;
 116     int turn_on;
 117     LIST_ENTRY(ioperm_data) entries;
 118 };
 119
 120 #define kvm_enabled() (kvm_allowed)
 121 #define qemu_kvm_irqchip_in_kernel() kvm_irqchip_in_kernel(kvm_context)
 122 #define qemu_kvm_pit_in_kernel() kvm_pit_in_kernel(kvm_context)
 123 #define qemu_kvm_has_sync_mmu() kvm_has_sync_mmu(kvm_context)
 124 void kvm_init_vcpu(CPUState *env);
 125 #else
 126 #define kvm_enabled() (0)
 127 #define qemu_kvm_irqchip_in_kernel() (0)
 128 #define qemu_kvm_pit_in_kernel() (0)
 129 #define qemu_kvm_has_sync_mmu() (0)
 130 #define kvm_load_registers(env) do {} while(0)
 131 #define kvm_save_registers(env) do {} while(0)
 132 static inline void kvm_init_vcpu(CPUState *env) { }
 133
 134 #endif
 135
 136 void kvm_mutex_unlock(void);
 137 void kvm_mutex_lock(void);
 138
 139 static inline void kvm_sleep_begin(void)
 140 {
 141     if (kvm_enabled())
 142         kvm_mutex_unlock();
 143 }
 144
 145 static inline void kvm_sleep_end(void)
 146 {
 147     if (kvm_enabled())
 148         kvm_mutex_lock();
 149 }
 150
 151 static inline void kvm_set_phys_mem(target_phys_addr_t start_addr,
 152                       ram_addr_t size,
 153                       ram_addr_t phys_offset)
 154 {
 155     kvm_cpu_register_physical_memory(start_addr, size, phys_offset);
 156 }
 157
 158
 159 void kvm_physical_sync_dirty_bitmap(target_phys_addr_t start_addr, target_phys_addr_t end_addr);
 160
 161 int kvm_log_start(target_phys_addr_t phys_addr, target_phys_addr_t len);
 162 int kvm_log_stop(target_phys_addr_t phys_addr, target_phys_addr_t len);
 163
 164 #endif