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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 NEED_CPU_H
23# ifdef CONFIG_KVM
24# include <linux/kvm.h>
25# include <linux/kvm_para.h>
26# define CONFIG_KVM_IS_POSSIBLE
27# endif
28#else
29# define CONFIG_KVM_IS_POSSIBLE
30#endif
31
32#ifdef CONFIG_KVM_IS_POSSIBLE
33
34extern bool kvm_allowed;
35extern bool kvm_kernel_irqchip;
36extern bool kvm_split_irqchip;
37extern bool kvm_async_interrupts_allowed;
38extern bool kvm_halt_in_kernel_allowed;
39extern bool kvm_eventfds_allowed;
40extern bool kvm_irqfds_allowed;
41extern bool kvm_resamplefds_allowed;
42extern bool kvm_msi_via_irqfd_allowed;
43extern bool kvm_gsi_routing_allowed;
44extern bool kvm_gsi_direct_mapping;
45extern bool kvm_readonly_mem_allowed;
46extern bool kvm_direct_msi_allowed;
47extern bool kvm_ioeventfd_any_length_allowed;
48extern bool kvm_msi_use_devid;
49
50#define kvm_enabled() (kvm_allowed)
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62#define kvm_irqchip_in_kernel() (kvm_kernel_irqchip)
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72#define kvm_irqchip_is_split() (kvm_split_irqchip)
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82#define kvm_async_interrupts_enabled() (kvm_async_interrupts_allowed)
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90#define kvm_halt_in_kernel() (kvm_halt_in_kernel_allowed)
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99#define kvm_eventfds_enabled() (kvm_eventfds_allowed)
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108#define kvm_irqfds_enabled() (kvm_irqfds_allowed)
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117#define kvm_resamplefds_enabled() (kvm_resamplefds_allowed)
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126#define kvm_msi_via_irqfd_enabled() (kvm_msi_via_irqfd_allowed)
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134#define kvm_gsi_routing_enabled() (kvm_gsi_routing_allowed)
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141#define kvm_gsi_direct_mapping() (kvm_gsi_direct_mapping)
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149#define kvm_readonly_mem_enabled() (kvm_readonly_mem_allowed)
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156#define kvm_direct_msi_enabled() (kvm_direct_msi_allowed)
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162#define kvm_ioeventfd_any_length_enabled() (kvm_ioeventfd_any_length_allowed)
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169#define kvm_msi_devid_required() (kvm_msi_use_devid)
170
171#else
172
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#define kvm_msi_devid_required() (false)
188
189#endif
190
191struct kvm_run;
192struct kvm_lapic_state;
193struct kvm_irq_routing_entry;
194
195typedef struct KVMCapabilityInfo {
196 const char *name;
197 int value;
198} KVMCapabilityInfo;
199
200#define KVM_CAP_INFO(CAP) { "KVM_CAP_" stringify(CAP), KVM_CAP_##CAP }
201#define KVM_CAP_LAST_INFO { NULL, 0 }
202
203struct KVMState;
204typedef struct KVMState KVMState;
205extern KVMState *kvm_state;
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209bool kvm_has_free_slot(MachineState *ms);
210bool kvm_has_sync_mmu(void);
211int kvm_has_vcpu_events(void);
212int kvm_has_robust_singlestep(void);
213int kvm_has_debugregs(void);
214int kvm_has_pit_state2(void);
215int kvm_has_many_ioeventfds(void);
216int kvm_has_gsi_routing(void);
217int kvm_has_intx_set_mask(void);
218
219int kvm_init_vcpu(CPUState *cpu);
220int kvm_cpu_exec(CPUState *cpu);
221int kvm_destroy_vcpu(CPUState *cpu);
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232bool kvm_arm_supports_user_irq(void);
233
234#ifdef NEED_CPU_H
235#include "cpu.h"
236
237void kvm_flush_coalesced_mmio_buffer(void);
238
239int kvm_insert_breakpoint(CPUState *cpu, target_ulong addr,
240 target_ulong len, int type);
241int kvm_remove_breakpoint(CPUState *cpu, target_ulong addr,
242 target_ulong len, int type);
243void kvm_remove_all_breakpoints(CPUState *cpu);
244int kvm_update_guest_debug(CPUState *cpu, unsigned long reinject_trap);
245
246int kvm_on_sigbus_vcpu(CPUState *cpu, int code, void *addr);
247int kvm_on_sigbus(int code, void *addr);
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251void phys_mem_set_alloc(void *(*alloc)(size_t, uint64_t *align));
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255int kvm_ioctl(KVMState *s, int type, ...);
256
257int kvm_vm_ioctl(KVMState *s, int type, ...);
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259int kvm_vcpu_ioctl(CPUState *cpu, int type, ...);
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268int kvm_device_ioctl(int fd, int type, ...);
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280int kvm_vm_check_attr(KVMState *s, uint32_t group, uint64_t attr);
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292int kvm_device_check_attr(int fd, uint32_t group, uint64_t attr);
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308int kvm_device_access(int fd, int group, uint64_t attr,
309 void *val, bool write, Error **errp);
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321int kvm_create_device(KVMState *s, uint64_t type, bool test);
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331bool kvm_device_supported(int vmfd, uint64_t type);
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335extern const KVMCapabilityInfo kvm_arch_required_capabilities[];
336
337void kvm_arch_pre_run(CPUState *cpu, struct kvm_run *run);
338MemTxAttrs kvm_arch_post_run(CPUState *cpu, struct kvm_run *run);
339
340int kvm_arch_handle_exit(CPUState *cpu, struct kvm_run *run);
341
342int kvm_arch_process_async_events(CPUState *cpu);
343
344int kvm_arch_get_registers(CPUState *cpu);
345
346
347#define KVM_PUT_RUNTIME_STATE 1
348
349#define KVM_PUT_RESET_STATE 2
350
351#define KVM_PUT_FULL_STATE 3
352
353int kvm_arch_put_registers(CPUState *cpu, int level);
354
355int kvm_arch_init(MachineState *ms, KVMState *s);
356
357int kvm_arch_init_vcpu(CPUState *cpu);
358
359bool kvm_vcpu_id_is_valid(int vcpu_id);
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362unsigned long kvm_arch_vcpu_id(CPUState *cpu);
363
364#ifdef TARGET_I386
365#define KVM_HAVE_MCE_INJECTION 1
366void kvm_arch_on_sigbus_vcpu(CPUState *cpu, int code, void *addr);
367#endif
368
369void kvm_arch_init_irq_routing(KVMState *s);
370
371int kvm_arch_fixup_msi_route(struct kvm_irq_routing_entry *route,
372 uint64_t address, uint32_t data, PCIDevice *dev);
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375int kvm_arch_add_msi_route_post(struct kvm_irq_routing_entry *route,
376 int vector, PCIDevice *dev);
377
378int kvm_arch_release_virq_post(int virq);
379
380int kvm_arch_msi_data_to_gsi(uint32_t data);
381
382int kvm_set_irq(KVMState *s, int irq, int level);
383int kvm_irqchip_send_msi(KVMState *s, MSIMessage msg);
384
385void kvm_irqchip_add_irq_route(KVMState *s, int gsi, int irqchip, int pin);
386
387void kvm_get_apic_state(DeviceState *d, struct kvm_lapic_state *kapic);
388
389struct kvm_guest_debug;
390struct kvm_debug_exit_arch;
391
392struct kvm_sw_breakpoint {
393 target_ulong pc;
394 target_ulong saved_insn;
395 int use_count;
396 QTAILQ_ENTRY(kvm_sw_breakpoint) entry;
397};
398
399QTAILQ_HEAD(kvm_sw_breakpoint_head, kvm_sw_breakpoint);
400
401struct kvm_sw_breakpoint *kvm_find_sw_breakpoint(CPUState *cpu,
402 target_ulong pc);
403
404int kvm_sw_breakpoints_active(CPUState *cpu);
405
406int kvm_arch_insert_sw_breakpoint(CPUState *cpu,
407 struct kvm_sw_breakpoint *bp);
408int kvm_arch_remove_sw_breakpoint(CPUState *cpu,
409 struct kvm_sw_breakpoint *bp);
410int kvm_arch_insert_hw_breakpoint(target_ulong addr,
411 target_ulong len, int type);
412int kvm_arch_remove_hw_breakpoint(target_ulong addr,
413 target_ulong len, int type);
414void kvm_arch_remove_all_hw_breakpoints(void);
415
416void kvm_arch_update_guest_debug(CPUState *cpu, struct kvm_guest_debug *dbg);
417
418bool kvm_arch_stop_on_emulation_error(CPUState *cpu);
419
420int kvm_check_extension(KVMState *s, unsigned int extension);
421
422int kvm_vm_check_extension(KVMState *s, unsigned int extension);
423
424#define kvm_vm_enable_cap(s, capability, cap_flags, ...) \
425 ({ \
426 struct kvm_enable_cap cap = { \
427 .cap = capability, \
428 .flags = cap_flags, \
429 }; \
430 uint64_t args_tmp[] = { __VA_ARGS__ }; \
431 size_t n = MIN(ARRAY_SIZE(args_tmp), ARRAY_SIZE(cap.args)); \
432 memcpy(cap.args, args_tmp, n * sizeof(cap.args[0])); \
433 kvm_vm_ioctl(s, KVM_ENABLE_CAP, &cap); \
434 })
435
436#define kvm_vcpu_enable_cap(cpu, capability, cap_flags, ...) \
437 ({ \
438 struct kvm_enable_cap cap = { \
439 .cap = capability, \
440 .flags = cap_flags, \
441 }; \
442 uint64_t args_tmp[] = { __VA_ARGS__ }; \
443 size_t n = MIN(ARRAY_SIZE(args_tmp), ARRAY_SIZE(cap.args)); \
444 memcpy(cap.args, args_tmp, n * sizeof(cap.args[0])); \
445 kvm_vcpu_ioctl(cpu, KVM_ENABLE_CAP, &cap); \
446 })
447
448uint32_t kvm_arch_get_supported_cpuid(KVMState *env, uint32_t function,
449 uint32_t index, int reg);
450
451void kvm_set_sigmask_len(KVMState *s, unsigned int sigmask_len);
452
453#if !defined(CONFIG_USER_ONLY)
454int kvm_physical_memory_addr_from_host(KVMState *s, void *ram_addr,
455 hwaddr *phys_addr);
456#endif
457
458#endif
459
460void kvm_cpu_synchronize_state(CPUState *cpu);
461void kvm_cpu_synchronize_post_reset(CPUState *cpu);
462void kvm_cpu_synchronize_post_init(CPUState *cpu);
463void kvm_cpu_synchronize_pre_loadvm(CPUState *cpu);
464
465void kvm_init_cpu_signals(CPUState *cpu);
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478int kvm_irqchip_add_msi_route(KVMState *s, int vector, PCIDevice *dev);
479int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg,
480 PCIDevice *dev);
481void kvm_irqchip_commit_routes(KVMState *s);
482void kvm_irqchip_release_virq(KVMState *s, int virq);
483
484int kvm_irqchip_add_adapter_route(KVMState *s, AdapterInfo *adapter);
485int kvm_irqchip_add_hv_sint_route(KVMState *s, uint32_t vcpu, uint32_t sint);
486
487int kvm_irqchip_add_irqfd_notifier_gsi(KVMState *s, EventNotifier *n,
488 EventNotifier *rn, int virq);
489int kvm_irqchip_remove_irqfd_notifier_gsi(KVMState *s, EventNotifier *n,
490 int virq);
491int kvm_irqchip_add_irqfd_notifier(KVMState *s, EventNotifier *n,
492 EventNotifier *rn, qemu_irq irq);
493int kvm_irqchip_remove_irqfd_notifier(KVMState *s, EventNotifier *n,
494 qemu_irq irq);
495void kvm_irqchip_set_qemuirq_gsi(KVMState *s, qemu_irq irq, int gsi);
496void kvm_pc_gsi_handler(void *opaque, int n, int level);
497void kvm_pc_setup_irq_routing(bool pci_enabled);
498void kvm_init_irq_routing(KVMState *s);
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511int kvm_arch_irqchip_create(MachineState *ms, KVMState *s);
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521int kvm_set_one_reg(CPUState *cs, uint64_t id, void *source);
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531int kvm_get_one_reg(CPUState *cs, uint64_t id, void *target);
532struct ppc_radix_page_info *kvm_get_radix_page_info(void);
533int kvm_get_max_memslots(void);
534#endif
535