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14#ifndef QEMU_KVM_H
15#define QEMU_KVM_H
16
17#include "qemu/queue.h"
18#include "qom/cpu.h"
19#include "exec/memattrs.h"
20#include "hw/irq.h"
21
22#ifdef CONFIG_KVM
23#include <linux/kvm.h>
24#include <linux/kvm_para.h>
25#else
26
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29
30#define KVM_CPUID_SIGNATURE 0
31#define KVM_CPUID_FEATURES 0
32#define KVM_FEATURE_CLOCKSOURCE 0
33#define KVM_FEATURE_NOP_IO_DELAY 0
34#define KVM_FEATURE_MMU_OP 0
35#define KVM_FEATURE_CLOCKSOURCE2 0
36#define KVM_FEATURE_ASYNC_PF 0
37#define KVM_FEATURE_STEAL_TIME 0
38#define KVM_FEATURE_PV_EOI 0
39#define KVM_FEATURE_CLOCKSOURCE_STABLE_BIT 0
40#endif
41
42extern bool kvm_allowed;
43extern bool kvm_kernel_irqchip;
44extern bool kvm_split_irqchip;
45extern bool kvm_async_interrupts_allowed;
46extern bool kvm_halt_in_kernel_allowed;
47extern bool kvm_eventfds_allowed;
48extern bool kvm_irqfds_allowed;
49extern bool kvm_resamplefds_allowed;
50extern bool kvm_msi_via_irqfd_allowed;
51extern bool kvm_gsi_routing_allowed;
52extern bool kvm_gsi_direct_mapping;
53extern bool kvm_readonly_mem_allowed;
54extern bool kvm_direct_msi_allowed;
55extern bool kvm_ioeventfd_any_length_allowed;
56
57#if defined CONFIG_KVM || !defined NEED_CPU_H
58#define kvm_enabled() (kvm_allowed)
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70#define kvm_irqchip_in_kernel() (kvm_kernel_irqchip)
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80#define kvm_irqchip_is_split() (kvm_split_irqchip)
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90#define kvm_async_interrupts_enabled() (kvm_async_interrupts_allowed)
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98#define kvm_halt_in_kernel() (kvm_halt_in_kernel_allowed)
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107#define kvm_eventfds_enabled() (kvm_eventfds_allowed)
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116#define kvm_irqfds_enabled() (kvm_irqfds_allowed)
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125#define kvm_resamplefds_enabled() (kvm_resamplefds_allowed)
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134#define kvm_msi_via_irqfd_enabled() (kvm_msi_via_irqfd_allowed)
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142#define kvm_gsi_routing_enabled() (kvm_gsi_routing_allowed)
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149#define kvm_gsi_direct_mapping() (kvm_gsi_direct_mapping)
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157#define kvm_readonly_mem_enabled() (kvm_readonly_mem_allowed)
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164#define kvm_direct_msi_enabled() (kvm_direct_msi_allowed)
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170#define kvm_ioeventfd_any_length_enabled() (kvm_ioeventfd_any_length_allowed)
171
172#else
173#define kvm_enabled() (0)
174#define kvm_irqchip_in_kernel() (false)
175#define kvm_irqchip_is_split() (false)
176#define kvm_async_interrupts_enabled() (false)
177#define kvm_halt_in_kernel() (false)
178#define kvm_eventfds_enabled() (false)
179#define kvm_irqfds_enabled() (false)
180#define kvm_resamplefds_enabled() (false)
181#define kvm_msi_via_irqfd_enabled() (false)
182#define kvm_gsi_routing_allowed() (false)
183#define kvm_gsi_direct_mapping() (false)
184#define kvm_readonly_mem_enabled() (false)
185#define kvm_direct_msi_enabled() (false)
186#define kvm_ioeventfd_any_length_enabled() (false)
187#endif
188
189struct kvm_run;
190struct kvm_lapic_state;
191struct kvm_irq_routing_entry;
192
193typedef struct KVMCapabilityInfo {
194 const char *name;
195 int value;
196} KVMCapabilityInfo;
197
198#define KVM_CAP_INFO(CAP) { "KVM_CAP_" stringify(CAP), KVM_CAP_##CAP }
199#define KVM_CAP_LAST_INFO { NULL, 0 }
200
201struct KVMState;
202typedef struct KVMState KVMState;
203extern KVMState *kvm_state;
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207bool kvm_has_free_slot(MachineState *ms);
208int kvm_has_sync_mmu(void);
209int kvm_has_vcpu_events(void);
210int kvm_has_robust_singlestep(void);
211int kvm_has_debugregs(void);
212int kvm_has_pit_state2(void);
213int kvm_has_many_ioeventfds(void);
214int kvm_has_gsi_routing(void);
215int kvm_has_intx_set_mask(void);
216
217int kvm_init_vcpu(CPUState *cpu);
218int kvm_cpu_exec(CPUState *cpu);
219
220#ifdef NEED_CPU_H
221
222void kvm_setup_guest_memory(void *start, size_t size);
223void kvm_flush_coalesced_mmio_buffer(void);
224
225int kvm_insert_breakpoint(CPUState *cpu, target_ulong addr,
226 target_ulong len, int type);
227int kvm_remove_breakpoint(CPUState *cpu, target_ulong addr,
228 target_ulong len, int type);
229void kvm_remove_all_breakpoints(CPUState *cpu);
230int kvm_update_guest_debug(CPUState *cpu, unsigned long reinject_trap);
231#ifndef _WIN32
232int kvm_set_signal_mask(CPUState *cpu, const sigset_t *sigset);
233#endif
234
235int kvm_on_sigbus_vcpu(CPUState *cpu, int code, void *addr);
236int kvm_on_sigbus(int code, void *addr);
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240void phys_mem_set_alloc(void *(*alloc)(size_t, uint64_t *align));
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244int kvm_ioctl(KVMState *s, int type, ...);
245
246int kvm_vm_ioctl(KVMState *s, int type, ...);
247
248int kvm_vcpu_ioctl(CPUState *cpu, int type, ...);
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257int kvm_device_ioctl(int fd, int type, ...);
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269int kvm_vm_check_attr(KVMState *s, uint32_t group, uint64_t attr);
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281int kvm_device_check_attr(int fd, uint32_t group, uint64_t attr);
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294void kvm_device_access(int fd, int group, uint64_t attr,
295 void *val, bool write);
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307int kvm_create_device(KVMState *s, uint64_t type, bool test);
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317bool kvm_device_supported(int vmfd, uint64_t type);
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321extern const KVMCapabilityInfo kvm_arch_required_capabilities[];
322
323void kvm_arch_pre_run(CPUState *cpu, struct kvm_run *run);
324MemTxAttrs kvm_arch_post_run(CPUState *cpu, struct kvm_run *run);
325
326int kvm_arch_handle_exit(CPUState *cpu, struct kvm_run *run);
327
328int kvm_arch_handle_ioapic_eoi(CPUState *cpu, struct kvm_run *run);
329
330int kvm_arch_process_async_events(CPUState *cpu);
331
332int kvm_arch_get_registers(CPUState *cpu);
333
334
335#define KVM_PUT_RUNTIME_STATE 1
336
337#define KVM_PUT_RESET_STATE 2
338
339#define KVM_PUT_FULL_STATE 3
340
341int kvm_arch_put_registers(CPUState *cpu, int level);
342
343int kvm_arch_init(MachineState *ms, KVMState *s);
344
345int kvm_arch_init_vcpu(CPUState *cpu);
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348unsigned long kvm_arch_vcpu_id(CPUState *cpu);
349
350int kvm_arch_on_sigbus_vcpu(CPUState *cpu, int code, void *addr);
351int kvm_arch_on_sigbus(int code, void *addr);
352
353void kvm_arch_init_irq_routing(KVMState *s);
354
355int kvm_arch_fixup_msi_route(struct kvm_irq_routing_entry *route,
356 uint64_t address, uint32_t data, PCIDevice *dev);
357
358int kvm_arch_msi_data_to_gsi(uint32_t data);
359
360int kvm_set_irq(KVMState *s, int irq, int level);
361int kvm_irqchip_send_msi(KVMState *s, MSIMessage msg);
362
363void kvm_irqchip_add_irq_route(KVMState *s, int gsi, int irqchip, int pin);
364void kvm_irqchip_commit_routes(KVMState *s);
365
366void kvm_put_apic_state(DeviceState *d, struct kvm_lapic_state *kapic);
367void kvm_get_apic_state(DeviceState *d, struct kvm_lapic_state *kapic);
368
369struct kvm_guest_debug;
370struct kvm_debug_exit_arch;
371
372struct kvm_sw_breakpoint {
373 target_ulong pc;
374 target_ulong saved_insn;
375 int use_count;
376 QTAILQ_ENTRY(kvm_sw_breakpoint) entry;
377};
378
379QTAILQ_HEAD(kvm_sw_breakpoint_head, kvm_sw_breakpoint);
380
381struct kvm_sw_breakpoint *kvm_find_sw_breakpoint(CPUState *cpu,
382 target_ulong pc);
383
384int kvm_sw_breakpoints_active(CPUState *cpu);
385
386int kvm_arch_insert_sw_breakpoint(CPUState *cpu,
387 struct kvm_sw_breakpoint *bp);
388int kvm_arch_remove_sw_breakpoint(CPUState *cpu,
389 struct kvm_sw_breakpoint *bp);
390int kvm_arch_insert_hw_breakpoint(target_ulong addr,
391 target_ulong len, int type);
392int kvm_arch_remove_hw_breakpoint(target_ulong addr,
393 target_ulong len, int type);
394void kvm_arch_remove_all_hw_breakpoints(void);
395
396void kvm_arch_update_guest_debug(CPUState *cpu, struct kvm_guest_debug *dbg);
397
398bool kvm_arch_stop_on_emulation_error(CPUState *cpu);
399
400int kvm_check_extension(KVMState *s, unsigned int extension);
401
402int kvm_vm_check_extension(KVMState *s, unsigned int extension);
403
404#define kvm_vm_enable_cap(s, capability, cap_flags, ...) \
405 ({ \
406 struct kvm_enable_cap cap = { \
407 .cap = capability, \
408 .flags = cap_flags, \
409 }; \
410 uint64_t args_tmp[] = { __VA_ARGS__ }; \
411 int i; \
412 for (i = 0; i < (int)ARRAY_SIZE(args_tmp) && \
413 i < ARRAY_SIZE(cap.args); i++) { \
414 cap.args[i] = args_tmp[i]; \
415 } \
416 kvm_vm_ioctl(s, KVM_ENABLE_CAP, &cap); \
417 })
418
419#define kvm_vcpu_enable_cap(cpu, capability, cap_flags, ...) \
420 ({ \
421 struct kvm_enable_cap cap = { \
422 .cap = capability, \
423 .flags = cap_flags, \
424 }; \
425 uint64_t args_tmp[] = { __VA_ARGS__ }; \
426 int i; \
427 for (i = 0; i < (int)ARRAY_SIZE(args_tmp) && \
428 i < ARRAY_SIZE(cap.args); i++) { \
429 cap.args[i] = args_tmp[i]; \
430 } \
431 kvm_vcpu_ioctl(cpu, KVM_ENABLE_CAP, &cap); \
432 })
433
434uint32_t kvm_arch_get_supported_cpuid(KVMState *env, uint32_t function,
435 uint32_t index, int reg);
436
437void kvm_set_sigmask_len(KVMState *s, unsigned int sigmask_len);
438
439#if !defined(CONFIG_USER_ONLY)
440int kvm_physical_memory_addr_from_host(KVMState *s, void *ram_addr,
441 hwaddr *phys_addr);
442#endif
443
444#endif
445
446void kvm_cpu_synchronize_state(CPUState *cpu);
447void kvm_cpu_synchronize_post_reset(CPUState *cpu);
448void kvm_cpu_synchronize_post_init(CPUState *cpu);
449
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451
452static inline void cpu_synchronize_state(CPUState *cpu)
453{
454 if (kvm_enabled()) {
455 kvm_cpu_synchronize_state(cpu);
456 }
457}
458
459static inline void cpu_synchronize_post_reset(CPUState *cpu)
460{
461 if (kvm_enabled()) {
462 kvm_cpu_synchronize_post_reset(cpu);
463 }
464}
465
466static inline void cpu_synchronize_post_init(CPUState *cpu)
467{
468 if (kvm_enabled()) {
469 kvm_cpu_synchronize_post_init(cpu);
470 }
471}
472
473int kvm_irqchip_add_msi_route(KVMState *s, MSIMessage msg, PCIDevice *dev);
474int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg,
475 PCIDevice *dev);
476void kvm_irqchip_release_virq(KVMState *s, int virq);
477
478int kvm_irqchip_add_adapter_route(KVMState *s, AdapterInfo *adapter);
479int kvm_irqchip_add_hv_sint_route(KVMState *s, uint32_t vcpu, uint32_t sint);
480
481int kvm_irqchip_add_irqfd_notifier_gsi(KVMState *s, EventNotifier *n,
482 EventNotifier *rn, int virq);
483int kvm_irqchip_remove_irqfd_notifier_gsi(KVMState *s, EventNotifier *n,
484 int virq);
485int kvm_irqchip_add_irqfd_notifier(KVMState *s, EventNotifier *n,
486 EventNotifier *rn, qemu_irq irq);
487int kvm_irqchip_remove_irqfd_notifier(KVMState *s, EventNotifier *n,
488 qemu_irq irq);
489void kvm_irqchip_set_qemuirq_gsi(KVMState *s, qemu_irq irq, int gsi);
490void kvm_pc_gsi_handler(void *opaque, int n, int level);
491void kvm_pc_setup_irq_routing(bool pci_enabled);
492void kvm_init_irq_routing(KVMState *s);
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505int kvm_arch_irqchip_create(MachineState *ms, KVMState *s);
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515int kvm_set_one_reg(CPUState *cs, uint64_t id, void *source);
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525int kvm_get_one_reg(CPUState *cs, uint64_t id, void *target);
526#endif
527