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_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_create_phys_mem(target_phys_addr_t start_addr,
  44                               unsigned long size, int log, int writable);
  45
  46 void kvm_cpu_destroy_phys_mem(target_phys_addr_t start_addr,
  47                               unsigned long size);
  48 int kvm_setup_guest_memory(void *area, unsigned long size);
  49
  50 int kvm_arch_qemu_create_context(void);
  51
  52 void kvm_arch_save_regs(CPUState *env);
  53 void kvm_arch_load_regs(CPUState *env);
  54 int kvm_arch_qemu_init_env(CPUState *cenv);
  55 int kvm_arch_halt(void *opaque, int vcpu);
  56 void kvm_arch_pre_kvm_run(void *opaque, int vcpu);
  57 void kvm_arch_post_kvm_run(void *opaque, int vcpu);
  58 int kvm_arch_has_work(CPUState *env);
  59 int kvm_arch_try_push_interrupts(void *opaque);
  60 void kvm_arch_update_regs_for_sipi(CPUState *env);
  61 void kvm_arch_cpu_reset(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 int qemu_kvm_register_coalesced_mmio(target_phys_addr_t addr,
  79                                      unsigned int size);
  80 int qemu_kvm_unregister_coalesced_mmio(target_phys_addr_t addr,
  81                                        unsigned int size);
  82
  83 void qemu_kvm_system_reset_request(void);
  84
  85 #ifdef TARGET_PPC
  86 int handle_powerpc_dcr_read(int vcpu, uint32_t dcrn, uint32_t *data);
  87 int handle_powerpc_dcr_write(int vcpu,uint32_t dcrn, uint32_t data);
  88 #endif
  89
  90 #if !defined(SYS_signalfd)
  91 struct signalfd_siginfo {
  92     uint32_t ssi_signo;
  93     uint8_t pad[124];
  94 };
  95 #else
  96 #include <linux/signalfd.h>
  97 #endif
  98
  99 int kvm_signalfd(const sigset_t *mask);
 100 int kvm_eventfd(int *fds);
 101
 102 #define ALIGN(x, y)  (((x)+(y)-1) & ~((y)-1))
 103 #define BITMAP_SIZE(m) (ALIGN(((m)>>TARGET_PAGE_BITS), HOST_LONG_BITS) / 8)
 104
 105 #ifdef USE_KVM
 106 #include "libkvm.h"
 107
 108 extern int kvm_allowed;
 109 extern kvm_context_t kvm_context;
 110
 111 #define kvm_enabled() (kvm_allowed)
 112 #define qemu_kvm_irqchip_in_kernel() kvm_irqchip_in_kernel(kvm_context)
 113 #define qemu_kvm_pit_in_kernel() kvm_pit_in_kernel(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 #endif
 119
 120 void kvm_mutex_unlock(void);
 121 void kvm_mutex_lock(void);
 122
 123 static inline void kvm_sleep_begin(void)
 124 {
 125     if (kvm_enabled())
 126         kvm_mutex_unlock();
 127 }
 128
 129 static inline void kvm_sleep_end(void)
 130 {
 131     if (kvm_enabled())
 132         kvm_mutex_lock();
 133 }
 134
 135 #endif