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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;
56extern bool kvm_msi_use_devid;
57
58#if defined CONFIG_KVM || !defined NEED_CPU_H
59#define kvm_enabled() (kvm_allowed)
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71#define kvm_irqchip_in_kernel() (kvm_kernel_irqchip)
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81#define kvm_irqchip_is_split() (kvm_split_irqchip)
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91#define kvm_async_interrupts_enabled() (kvm_async_interrupts_allowed)
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99#define kvm_halt_in_kernel() (kvm_halt_in_kernel_allowed)
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108#define kvm_eventfds_enabled() (kvm_eventfds_allowed)
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117#define kvm_irqfds_enabled() (kvm_irqfds_allowed)
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126#define kvm_resamplefds_enabled() (kvm_resamplefds_allowed)
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135#define kvm_msi_via_irqfd_enabled() (kvm_msi_via_irqfd_allowed)
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143#define kvm_gsi_routing_enabled() (kvm_gsi_routing_allowed)
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150#define kvm_gsi_direct_mapping() (kvm_gsi_direct_mapping)
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158#define kvm_readonly_mem_enabled() (kvm_readonly_mem_allowed)
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165#define kvm_direct_msi_enabled() (kvm_direct_msi_allowed)
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171#define kvm_ioeventfd_any_length_enabled() (kvm_ioeventfd_any_length_allowed)
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178#define kvm_msi_devid_required() (kvm_msi_use_devid)
179
180#else
181#define kvm_enabled() (0)
182#define kvm_irqchip_in_kernel() (false)
183#define kvm_irqchip_is_split() (false)
184#define kvm_async_interrupts_enabled() (false)
185#define kvm_halt_in_kernel() (false)
186#define kvm_eventfds_enabled() (false)
187#define kvm_irqfds_enabled() (false)
188#define kvm_resamplefds_enabled() (false)
189#define kvm_msi_via_irqfd_enabled() (false)
190#define kvm_gsi_routing_allowed() (false)
191#define kvm_gsi_direct_mapping() (false)
192#define kvm_readonly_mem_enabled() (false)
193#define kvm_direct_msi_enabled() (false)
194#define kvm_ioeventfd_any_length_enabled() (false)
195#define kvm_msi_devid_required() (false)
196#endif
197
198struct kvm_run;
199struct kvm_lapic_state;
200struct kvm_irq_routing_entry;
201
202typedef struct KVMCapabilityInfo {
203 const char *name;
204 int value;
205} KVMCapabilityInfo;
206
207#define KVM_CAP_INFO(CAP) { "KVM_CAP_" stringify(CAP), KVM_CAP_##CAP }
208#define KVM_CAP_LAST_INFO { NULL, 0 }
209
210struct KVMState;
211typedef struct KVMState KVMState;
212extern KVMState *kvm_state;
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215
216bool kvm_has_free_slot(MachineState *ms);
217int kvm_has_sync_mmu(void);
218int kvm_has_vcpu_events(void);
219int kvm_has_robust_singlestep(void);
220int kvm_has_debugregs(void);
221int kvm_has_pit_state2(void);
222int kvm_has_many_ioeventfds(void);
223int kvm_has_gsi_routing(void);
224int kvm_has_intx_set_mask(void);
225
226int kvm_init_vcpu(CPUState *cpu);
227int kvm_cpu_exec(CPUState *cpu);
228int kvm_destroy_vcpu(CPUState *cpu);
229
230#ifdef NEED_CPU_H
231#include "cpu.h"
232
233void kvm_flush_coalesced_mmio_buffer(void);
234
235int kvm_insert_breakpoint(CPUState *cpu, target_ulong addr,
236 target_ulong len, int type);
237int kvm_remove_breakpoint(CPUState *cpu, target_ulong addr,
238 target_ulong len, int type);
239void kvm_remove_all_breakpoints(CPUState *cpu);
240int kvm_update_guest_debug(CPUState *cpu, unsigned long reinject_trap);
241#ifndef _WIN32
242int kvm_set_signal_mask(CPUState *cpu, const sigset_t *sigset);
243#endif
244
245int kvm_on_sigbus_vcpu(CPUState *cpu, int code, void *addr);
246int kvm_on_sigbus(int code, void *addr);
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250void phys_mem_set_alloc(void *(*alloc)(size_t, uint64_t *align));
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254int kvm_ioctl(KVMState *s, int type, ...);
255
256int kvm_vm_ioctl(KVMState *s, int type, ...);
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258int kvm_vcpu_ioctl(CPUState *cpu, int type, ...);
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267int kvm_device_ioctl(int fd, int type, ...);
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279int kvm_vm_check_attr(KVMState *s, uint32_t group, uint64_t attr);
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291int kvm_device_check_attr(int fd, uint32_t group, uint64_t attr);
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304void kvm_device_access(int fd, int group, uint64_t attr,
305 void *val, bool write);
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317int kvm_create_device(KVMState *s, uint64_t type, bool test);
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327bool kvm_device_supported(int vmfd, uint64_t type);
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331extern const KVMCapabilityInfo kvm_arch_required_capabilities[];
332
333void kvm_arch_pre_run(CPUState *cpu, struct kvm_run *run);
334MemTxAttrs kvm_arch_post_run(CPUState *cpu, struct kvm_run *run);
335
336int kvm_arch_handle_exit(CPUState *cpu, struct kvm_run *run);
337
338int kvm_arch_process_async_events(CPUState *cpu);
339
340int kvm_arch_get_registers(CPUState *cpu);
341
342
343#define KVM_PUT_RUNTIME_STATE 1
344
345#define KVM_PUT_RESET_STATE 2
346
347#define KVM_PUT_FULL_STATE 3
348
349int kvm_arch_put_registers(CPUState *cpu, int level);
350
351int kvm_arch_init(MachineState *ms, KVMState *s);
352
353int kvm_arch_init_vcpu(CPUState *cpu);
354
355bool kvm_vcpu_id_is_valid(int vcpu_id);
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358unsigned long kvm_arch_vcpu_id(CPUState *cpu);
359
360int kvm_arch_on_sigbus_vcpu(CPUState *cpu, int code, void *addr);
361int kvm_arch_on_sigbus(int code, void *addr);
362
363void kvm_arch_init_irq_routing(KVMState *s);
364
365int kvm_arch_fixup_msi_route(struct kvm_irq_routing_entry *route,
366 uint64_t address, uint32_t data, PCIDevice *dev);
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369int kvm_arch_add_msi_route_post(struct kvm_irq_routing_entry *route,
370 int vector, PCIDevice *dev);
371
372int kvm_arch_release_virq_post(int virq);
373
374int kvm_arch_msi_data_to_gsi(uint32_t data);
375
376int kvm_set_irq(KVMState *s, int irq, int level);
377int kvm_irqchip_send_msi(KVMState *s, MSIMessage msg);
378
379void kvm_irqchip_add_irq_route(KVMState *s, int gsi, int irqchip, int pin);
380
381void kvm_get_apic_state(DeviceState *d, struct kvm_lapic_state *kapic);
382
383struct kvm_guest_debug;
384struct kvm_debug_exit_arch;
385
386struct kvm_sw_breakpoint {
387 target_ulong pc;
388 target_ulong saved_insn;
389 int use_count;
390 QTAILQ_ENTRY(kvm_sw_breakpoint) entry;
391};
392
393QTAILQ_HEAD(kvm_sw_breakpoint_head, kvm_sw_breakpoint);
394
395struct kvm_sw_breakpoint *kvm_find_sw_breakpoint(CPUState *cpu,
396 target_ulong pc);
397
398int kvm_sw_breakpoints_active(CPUState *cpu);
399
400int kvm_arch_insert_sw_breakpoint(CPUState *cpu,
401 struct kvm_sw_breakpoint *bp);
402int kvm_arch_remove_sw_breakpoint(CPUState *cpu,
403 struct kvm_sw_breakpoint *bp);
404int kvm_arch_insert_hw_breakpoint(target_ulong addr,
405 target_ulong len, int type);
406int kvm_arch_remove_hw_breakpoint(target_ulong addr,
407 target_ulong len, int type);
408void kvm_arch_remove_all_hw_breakpoints(void);
409
410void kvm_arch_update_guest_debug(CPUState *cpu, struct kvm_guest_debug *dbg);
411
412bool kvm_arch_stop_on_emulation_error(CPUState *cpu);
413
414int kvm_check_extension(KVMState *s, unsigned int extension);
415
416int kvm_vm_check_extension(KVMState *s, unsigned int extension);
417
418#define kvm_vm_enable_cap(s, capability, cap_flags, ...) \
419 ({ \
420 struct kvm_enable_cap cap = { \
421 .cap = capability, \
422 .flags = cap_flags, \
423 }; \
424 uint64_t args_tmp[] = { __VA_ARGS__ }; \
425 int i; \
426 for (i = 0; i < (int)ARRAY_SIZE(args_tmp) && \
427 i < ARRAY_SIZE(cap.args); i++) { \
428 cap.args[i] = args_tmp[i]; \
429 } \
430 kvm_vm_ioctl(s, KVM_ENABLE_CAP, &cap); \
431 })
432
433#define kvm_vcpu_enable_cap(cpu, capability, cap_flags, ...) \
434 ({ \
435 struct kvm_enable_cap cap = { \
436 .cap = capability, \
437 .flags = cap_flags, \
438 }; \
439 uint64_t args_tmp[] = { __VA_ARGS__ }; \
440 int i; \
441 for (i = 0; i < (int)ARRAY_SIZE(args_tmp) && \
442 i < ARRAY_SIZE(cap.args); i++) { \
443 cap.args[i] = args_tmp[i]; \
444 } \
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);
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466static inline void cpu_synchronize_state(CPUState *cpu)
467{
468 if (kvm_enabled()) {
469 kvm_cpu_synchronize_state(cpu);
470 }
471}
472
473static inline void cpu_synchronize_post_reset(CPUState *cpu)
474{
475 if (kvm_enabled()) {
476 kvm_cpu_synchronize_post_reset(cpu);
477 }
478}
479
480static inline void cpu_synchronize_post_init(CPUState *cpu)
481{
482 if (kvm_enabled()) {
483 kvm_cpu_synchronize_post_init(cpu);
484 }
485}
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498int kvm_irqchip_add_msi_route(KVMState *s, int vector, PCIDevice *dev);
499int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg,
500 PCIDevice *dev);
501void kvm_irqchip_commit_routes(KVMState *s);
502void kvm_irqchip_release_virq(KVMState *s, int virq);
503
504int kvm_irqchip_add_adapter_route(KVMState *s, AdapterInfo *adapter);
505int kvm_irqchip_add_hv_sint_route(KVMState *s, uint32_t vcpu, uint32_t sint);
506
507int kvm_irqchip_add_irqfd_notifier_gsi(KVMState *s, EventNotifier *n,
508 EventNotifier *rn, int virq);
509int kvm_irqchip_remove_irqfd_notifier_gsi(KVMState *s, EventNotifier *n,
510 int virq);
511int kvm_irqchip_add_irqfd_notifier(KVMState *s, EventNotifier *n,
512 EventNotifier *rn, qemu_irq irq);
513int kvm_irqchip_remove_irqfd_notifier(KVMState *s, EventNotifier *n,
514 qemu_irq irq);
515void kvm_irqchip_set_qemuirq_gsi(KVMState *s, qemu_irq irq, int gsi);
516void kvm_pc_gsi_handler(void *opaque, int n, int level);
517void kvm_pc_setup_irq_routing(bool pci_enabled);
518void kvm_init_irq_routing(KVMState *s);
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531int kvm_arch_irqchip_create(MachineState *ms, KVMState *s);
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541int kvm_set_one_reg(CPUState *cs, uint64_t id, void *source);
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551int kvm_get_one_reg(CPUState *cs, uint64_t id, void *target);
552int kvm_get_max_memslots(void);
553#endif
554