Merge commit '5f87762742923e42114ed49c96251a245f109147' into upstream-merge
[qemu-kvm/fedora.git] / qemu-kvm.h
blobeb99bc41b3f6251a2dee1f173edab3e2aa71499d
1 /*
2 * qemu/kvm integration
4 * Copyright (C) 2006-2008 Qumranet Technologies
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
11 #include "cpu.h"
13 #include <signal.h>
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 int kvm_vcpu_inited(CPUState *env);
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_insert_breakpoint(CPUState *current_env, target_ulong addr,
27 target_ulong len, int type);
28 int kvm_remove_breakpoint(CPUState *current_env, target_ulong addr,
29 target_ulong len, int type);
30 void kvm_remove_all_breakpoints(CPUState *current_env);
31 int kvm_update_guest_debug(CPUState *env, unsigned long reinject_trap);
32 int kvm_qemu_init_env(CPUState *env);
33 int kvm_qemu_check_extension(int ext);
34 void kvm_apic_init(CPUState *env);
35 /* called from vcpu initialization */
36 void qemu_kvm_load_lapic(CPUState *env);
38 int kvm_set_irq(int irq, int level, int *status);
40 int kvm_physical_memory_set_dirty_tracking(int enable);
41 int kvm_update_dirty_pages_log(void);
42 int kvm_get_phys_ram_page_bitmap(unsigned char *bitmap);
44 void qemu_kvm_call_with_env(void (*func)(void *), void *data, CPUState *env);
45 void qemu_kvm_cpuid_on_env(CPUState *env);
46 void kvm_inject_interrupt(CPUState *env, int mask);
47 void kvm_update_after_sipi(CPUState *env);
48 void kvm_update_interrupt_request(CPUState *env);
49 void kvm_cpu_register_physical_memory(target_phys_addr_t start_addr,
50 unsigned long size,
51 unsigned long phys_offset);
52 void kvm_cpu_unregister_physical_memory(target_phys_addr_t start_addr,
53 target_phys_addr_t size,
54 unsigned long phys_offset);
55 void *kvm_cpu_create_phys_mem(target_phys_addr_t start_addr,
56 unsigned long size, int log, int writable);
58 void kvm_cpu_destroy_phys_mem(target_phys_addr_t start_addr,
59 unsigned long size);
60 void kvm_qemu_log_memory(target_phys_addr_t start, target_phys_addr_t size,
61 int log);
62 int kvm_setup_guest_memory(void *area, unsigned long size);
63 int kvm_qemu_create_memory_alias(uint64_t phys_start,
64 uint64_t len,
65 uint64_t target_phys);
66 int kvm_qemu_destroy_memory_alias(uint64_t phys_start);
68 int kvm_arch_qemu_create_context(void);
70 void kvm_arch_save_regs(CPUState *env);
71 void kvm_arch_load_regs(CPUState *env);
72 void kvm_arch_load_mpstate(CPUState *env);
73 void kvm_arch_save_mpstate(CPUState *env);
74 int kvm_arch_qemu_init_env(CPUState *cenv);
75 void kvm_arch_pre_kvm_run(void *opaque, CPUState *env);
76 void kvm_arch_post_kvm_run(void *opaque, CPUState *env);
77 int kvm_arch_has_work(CPUState *env);
78 void kvm_arch_process_irqchip_events(CPUState *env);
79 int kvm_arch_try_push_interrupts(void *opaque);
80 void kvm_arch_push_nmi(void *opaque);
81 void kvm_arch_update_regs_for_sipi(CPUState *env);
82 void kvm_arch_cpu_reset(CPUState *env);
84 struct kvm_guest_debug;
85 struct kvm_debug_exit_arch;
87 struct kvm_sw_breakpoint {
88 target_ulong pc;
89 target_ulong saved_insn;
90 int use_count;
91 TAILQ_ENTRY(kvm_sw_breakpoint) entry;
93 TAILQ_HEAD(kvm_sw_breakpoint_head, kvm_sw_breakpoint);
95 extern struct kvm_sw_breakpoint_head kvm_sw_breakpoints;
97 int kvm_arch_debug(struct kvm_debug_exit_arch *arch_info);
98 struct kvm_sw_breakpoint *kvm_find_sw_breakpoint(target_ulong pc);
99 int kvm_arch_insert_sw_breakpoint(CPUState *current_env,
100 struct kvm_sw_breakpoint *bp);
101 int kvm_arch_remove_sw_breakpoint(CPUState *current_env,
102 struct kvm_sw_breakpoint *bp);
103 int kvm_arch_insert_hw_breakpoint(target_ulong addr,
104 target_ulong len, int type);
105 int kvm_arch_remove_hw_breakpoint(target_ulong addr,
106 target_ulong len, int type);
107 void kvm_arch_remove_all_hw_breakpoints(void);
108 void kvm_arch_update_guest_debug(CPUState *env, struct kvm_guest_debug *dbg);
110 void qemu_kvm_aio_wait_start(void);
111 void qemu_kvm_aio_wait(void);
112 void qemu_kvm_aio_wait_end(void);
114 void qemu_kvm_notify_work(void);
116 void kvm_tpr_opt_setup(void);
117 void kvm_tpr_access_report(CPUState *env, uint64_t rip, int is_write);
118 void kvm_tpr_vcpu_start(CPUState *env);
120 int qemu_kvm_get_dirty_pages(unsigned long phys_addr, void *buf);
121 int qemu_kvm_register_coalesced_mmio(target_phys_addr_t addr,
122 unsigned int size);
123 int qemu_kvm_unregister_coalesced_mmio(target_phys_addr_t addr,
124 unsigned int size);
126 int kvm_coalesce_mmio_region(target_phys_addr_t start, ram_addr_t size);
127 int kvm_uncoalesce_mmio_region(target_phys_addr_t start, ram_addr_t size);
129 int kvm_arch_init_irq_routing(void);
131 #ifdef USE_KVM_DEVICE_ASSIGNMENT
132 struct ioperm_data;
134 void kvm_ioperm(CPUState *env, void *data);
135 void kvm_add_ioperm_data(struct ioperm_data *data);
136 void kvm_remove_ioperm_data(unsigned long start_port, unsigned long num);
137 void kvm_arch_do_ioperm(void *_data);
138 #endif
140 #define ALIGN(x, y) (((x)+(y)-1) & ~((y)-1))
141 #define BITMAP_SIZE(m) (ALIGN(((m)>>TARGET_PAGE_BITS), HOST_LONG_BITS) / 8)
143 #ifdef USE_KVM
144 #include "libkvm-all.h"
145 #include "sys-queue.h"
147 extern int kvm_allowed;
148 extern int kvm_irqchip;
149 extern int kvm_pit;
150 extern int kvm_pit_reinject;
151 extern int kvm_nested;
152 extern kvm_context_t kvm_context;
154 struct ioperm_data {
155 unsigned long start_port;
156 unsigned long num;
157 int turn_on;
158 LIST_ENTRY(ioperm_data) entries;
161 void qemu_kvm_cpu_stop(CPUState *env);
162 int kvm_arch_halt(void *opaque, kvm_vcpu_context_t vcpu);
163 int handle_tpr_access(void *opaque, kvm_vcpu_context_t vcpu,
164 uint64_t rip, int is_write);
165 int kvm_has_sync_mmu(void);
167 #define kvm_enabled() (kvm_allowed)
168 #define qemu_kvm_irqchip_in_kernel() kvm_irqchip_in_kernel(kvm_context)
169 #define qemu_kvm_pit_in_kernel() kvm_pit_in_kernel(kvm_context)
170 void kvm_init_vcpu(CPUState *env);
171 void kvm_load_tsc(CPUState *env);
172 #else
173 #define kvm_has_sync_mmu() (0)
174 #define kvm_enabled() (0)
175 #define kvm_nested 0
176 #define qemu_kvm_irqchip_in_kernel() (0)
177 #define qemu_kvm_pit_in_kernel() (0)
178 #define kvm_load_registers(env) do {} while(0)
179 #define kvm_save_registers(env) do {} while(0)
180 #define qemu_kvm_cpu_stop(env) do {} while(0)
181 static inline void kvm_init_vcpu(CPUState *env) { }
182 static inline void kvm_load_tsc(CPUState *env) {}
183 #endif
185 void kvm_mutex_unlock(void);
186 void kvm_mutex_lock(void);
188 static inline void kvm_sleep_begin(void)
190 if (kvm_enabled())
191 kvm_mutex_unlock();
194 static inline void kvm_sleep_end(void)
196 if (kvm_enabled())
197 kvm_mutex_lock();
200 static inline void kvm_set_phys_mem(target_phys_addr_t start_addr,
201 ram_addr_t size,
202 ram_addr_t phys_offset)
204 kvm_cpu_register_physical_memory(start_addr, size, phys_offset);
208 int kvm_physical_sync_dirty_bitmap(target_phys_addr_t start_addr, target_phys_addr_t end_addr);
210 int kvm_log_start(target_phys_addr_t phys_addr, target_phys_addr_t len);
211 int kvm_log_stop(target_phys_addr_t phys_addr, target_phys_addr_t len);
214 static inline int kvm_sync_vcpus(void) { return 0; }
216 static inline void kvm_arch_get_registers(CPUState *env)
218 kvm_save_registers(env);
219 kvm_save_mpstate(env);
222 static inline void kvm_arch_put_registers(CPUState *env)
224 kvm_load_registers(env);
225 kvm_load_mpstate(env);
228 static inline void cpu_synchronize_state(CPUState *env, int modified)
230 if (kvm_enabled()) {
231 if (modified)
232 kvm_arch_put_registers(env);
233 else
234 kvm_arch_get_registers(env);
238 uint32_t kvm_arch_get_supported_cpuid(CPUState *env, uint32_t function,
239 int reg);
242 static inline int kvm_set_migration_log(int enable)
244 return kvm_physical_memory_set_dirty_tracking(enable);
247 #endif