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 #include <signal.h>
  16
  17 int kvm_main_loop(void);
  18 int kvm_qemu_init(void);
  19 int kvm_qemu_create_context(void);
  20 void kvm_init_new_ap(int cpu, CPUState *env);
  21 int kvm_init_ap(void);
  22 void kvm_qemu_destroy(void);
  23 void kvm_load_registers(CPUState *env);
  24 void kvm_save_registers(CPUState *env);
  25 void kvm_load_mpstate(CPUState *env);
  26 void kvm_save_mpstate(CPUState *env);
  27 int kvm_cpu_exec(CPUState *env);
  28 int kvm_update_debugger(CPUState *env);
  29 int kvm_qemu_init_env(CPUState *env);
  30 int kvm_qemu_check_extension(int ext);
  31 void kvm_apic_init(CPUState *env);
  32 int kvm_set_irq(int irq, int level);
  33
  34 int kvm_physical_memory_set_dirty_tracking(int enable);
  35 int kvm_update_dirty_pages_log(void);
  36 int kvm_get_phys_ram_page_bitmap(unsigned char *bitmap);
  37
  38 void qemu_kvm_call_with_env(void (*func)(void *), void *data, CPUState *env);
  39 void qemu_kvm_cpuid_on_env(CPUState *env);
  40 void kvm_update_after_sipi(CPUState *env);
  41 void kvm_update_interrupt_request(CPUState *env);
  42 void kvm_cpu_register_physical_memory(target_phys_addr_t start_addr,
  43                                       unsigned long size,
  44                                       unsigned long phys_offset);
  45 void *kvm_cpu_create_phys_mem(target_phys_addr_t start_addr,
  46                               unsigned long size, int log, int writable);
  47
  48 void kvm_cpu_destroy_phys_mem(target_phys_addr_t start_addr,
  49                               unsigned long size);
  50
  51 int kvm_arch_qemu_create_context(void);
  52
  53 void kvm_arch_save_regs(CPUState *env);
  54 void kvm_arch_load_regs(CPUState *env);
  55 int kvm_arch_qemu_init_env(CPUState *cenv);
  56 int kvm_arch_halt(void *opaque, int vcpu);
  57 void kvm_arch_pre_kvm_run(void *opaque, int vcpu);
  58 void kvm_arch_post_kvm_run(void *opaque, int vcpu);
  59 int kvm_arch_has_work(CPUState *env);
  60 int kvm_arch_try_push_interrupts(void *opaque);
  61 void kvm_arch_update_regs_for_sipi(CPUState *env);
  62
  63 CPUState *qemu_kvm_cpu_env(int index);
  64
  65 void qemu_kvm_aio_wait_start(void);
  66 void qemu_kvm_aio_wait(void);
  67 void qemu_kvm_aio_wait_end(void);
  68
  69 void qemu_kvm_notify_work(void);
  70
  71 void kvm_tpr_opt_setup();
  72 void kvm_tpr_access_report(CPUState *env, uint64_t rip, int is_write);
  73 int handle_tpr_access(void *opaque, int vcpu,
  74                              uint64_t rip, int is_write);
  75 void kvm_tpr_vcpu_start(CPUState *env);
  76
  77 int qemu_kvm_get_dirty_pages(unsigned long phys_addr, void *buf);
  78
  79 void qemu_kvm_system_reset_request(void);
  80
  81 #ifdef TARGET_PPC
  82 int handle_powerpc_dcr_read(int vcpu, uint32_t dcrn, uint32_t *data);
  83 int handle_powerpc_dcr_write(int vcpu,uint32_t dcrn, uint32_t data);
  84 #endif
  85
  86 #if !defined(SYS_signalfd)
  87 struct signalfd_siginfo {
  88     uint32_t ssi_signo;
  89     uint8_t pad[124];
  90 };
  91 #else
  92 #include <linux/signalfd.h>
  93 #endif
  94
  95 int kvm_signalfd(const sigset_t *mask);
  96 int kvm_eventfd(int *fds);
  97
  98 #define ALIGN(x, y)  (((x)+(y)-1) & ~((y)-1))
  99 #define BITMAP_SIZE(m) (ALIGN(((m)>>TARGET_PAGE_BITS), HOST_LONG_BITS) / 8)
 100
 101 #ifdef USE_KVM
 102 #include "libkvm.h"
 103
 104 extern int kvm_allowed;
 105 extern kvm_context_t kvm_context;
 106
 107 #define kvm_enabled() (kvm_allowed)
 108 #define qemu_kvm_irqchip_in_kernel() kvm_irqchip_in_kernel(kvm_context)
 109 #define qemu_kvm_pit_in_kernel() kvm_pit_in_kernel(kvm_context)
 110 #else
 111 #define kvm_enabled() (0)
 112 #define qemu_kvm_irqchip_in_kernel() (0)
 113 #define qemu_kvm_pit_in_kernel() (0)
 114 #endif
 115
 116 void kvm_mutex_unlock(void);
 117 void kvm_mutex_lock(void);
 118
 119 static inline void kvm_sleep_begin(void)
 120 {
 121     if (kvm_enabled())
 122         kvm_mutex_unlock();
 123 }
 124
 125 static inline void kvm_sleep_end(void)
 126 {
 127     if (kvm_enabled())
 128         kvm_mutex_lock();
 129 }
 130
 131 int kvm_check_received_signal(void);
 132
 133 static inline int kvm_received_signal(void)
 134 {
 135     if (kvm_enabled())
 136         return kvm_check_received_signal();
 137     return 0;
 138 }
 139
 140 #endif