19c17d615SPaolo Bonzini /* 29c17d615SPaolo Bonzini * QEMU KVM support 39c17d615SPaolo Bonzini * 49c17d615SPaolo Bonzini * Copyright IBM, Corp. 2008 59c17d615SPaolo Bonzini * 69c17d615SPaolo Bonzini * Authors: 79c17d615SPaolo Bonzini * Anthony Liguori <aliguori@us.ibm.com> 89c17d615SPaolo Bonzini * 99c17d615SPaolo Bonzini * This work is licensed under the terms of the GNU GPL, version 2 or later. 109c17d615SPaolo Bonzini * See the COPYING file in the top-level directory. 119c17d615SPaolo Bonzini * 129c17d615SPaolo Bonzini */ 139c17d615SPaolo Bonzini 149c17d615SPaolo Bonzini #ifndef QEMU_KVM_H 159c17d615SPaolo Bonzini #define QEMU_KVM_H 169c17d615SPaolo Bonzini 179c17d615SPaolo Bonzini #include <errno.h> 189c17d615SPaolo Bonzini #include "config-host.h" 199c17d615SPaolo Bonzini #include "qemu/queue.h" 20504134d2SAndreas Färber #include "qom/cpu.h" 219c17d615SPaolo Bonzini 229c17d615SPaolo Bonzini #ifdef CONFIG_KVM 239c17d615SPaolo Bonzini #include <linux/kvm.h> 249c17d615SPaolo Bonzini #include <linux/kvm_para.h> 259ca58923SEduardo Habkost #else 269ca58923SEduardo Habkost /* These constants must never be used at runtime if kvm_enabled() is false. 279ca58923SEduardo Habkost * They exist so we don't need #ifdefs around KVM-specific code that already 289ca58923SEduardo Habkost * checks kvm_enabled() properly. 299ca58923SEduardo Habkost */ 309ca58923SEduardo Habkost #define KVM_CPUID_SIGNATURE 0 319ca58923SEduardo Habkost #define KVM_CPUID_FEATURES 0 329ca58923SEduardo Habkost #define KVM_FEATURE_CLOCKSOURCE 0 339ca58923SEduardo Habkost #define KVM_FEATURE_NOP_IO_DELAY 0 349ca58923SEduardo Habkost #define KVM_FEATURE_MMU_OP 0 359ca58923SEduardo Habkost #define KVM_FEATURE_CLOCKSOURCE2 0 369ca58923SEduardo Habkost #define KVM_FEATURE_ASYNC_PF 0 379ca58923SEduardo Habkost #define KVM_FEATURE_STEAL_TIME 0 389ca58923SEduardo Habkost #define KVM_FEATURE_PV_EOI 0 39d61a23baSEduardo Habkost #define KVM_FEATURE_CLOCKSOURCE_STABLE_BIT 0 409c17d615SPaolo Bonzini #endif 419c17d615SPaolo Bonzini 42d5286af5Sliguang extern bool kvm_allowed; 439c17d615SPaolo Bonzini extern bool kvm_kernel_irqchip; 449c17d615SPaolo Bonzini extern bool kvm_async_interrupts_allowed; 45215e79c0SAlexander Graf extern bool kvm_halt_in_kernel_allowed; 469c17d615SPaolo Bonzini extern bool kvm_irqfds_allowed; 479c17d615SPaolo Bonzini extern bool kvm_msi_via_irqfd_allowed; 489c17d615SPaolo Bonzini extern bool kvm_gsi_routing_allowed; 4976fe21deSAlexey Kardashevskiy extern bool kvm_gsi_direct_mapping; 50df9c8b75SJordan Justen extern bool kvm_readonly_mem_allowed; 519c17d615SPaolo Bonzini 529c17d615SPaolo Bonzini #if defined CONFIG_KVM || !defined NEED_CPU_H 539c17d615SPaolo Bonzini #define kvm_enabled() (kvm_allowed) 549c17d615SPaolo Bonzini /** 559c17d615SPaolo Bonzini * kvm_irqchip_in_kernel: 569c17d615SPaolo Bonzini * 579c17d615SPaolo Bonzini * Returns: true if the user asked us to create an in-kernel 589c17d615SPaolo Bonzini * irqchip via the "kernel_irqchip=on" machine option. 599c17d615SPaolo Bonzini * What this actually means is architecture and machine model 609c17d615SPaolo Bonzini * specific: on PC, for instance, it means that the LAPIC, 619c17d615SPaolo Bonzini * IOAPIC and PIT are all in kernel. This function should never 629c17d615SPaolo Bonzini * be used from generic target-independent code: use one of the 639c17d615SPaolo Bonzini * following functions or some other specific check instead. 649c17d615SPaolo Bonzini */ 659c17d615SPaolo Bonzini #define kvm_irqchip_in_kernel() (kvm_kernel_irqchip) 669c17d615SPaolo Bonzini 679c17d615SPaolo Bonzini /** 689c17d615SPaolo Bonzini * kvm_async_interrupts_enabled: 699c17d615SPaolo Bonzini * 709c17d615SPaolo Bonzini * Returns: true if we can deliver interrupts to KVM 719c17d615SPaolo Bonzini * asynchronously (ie by ioctl from any thread at any time) 729c17d615SPaolo Bonzini * rather than having to do interrupt delivery synchronously 739c17d615SPaolo Bonzini * (where the vcpu must be stopped at a suitable point first). 749c17d615SPaolo Bonzini */ 759c17d615SPaolo Bonzini #define kvm_async_interrupts_enabled() (kvm_async_interrupts_allowed) 769c17d615SPaolo Bonzini 779c17d615SPaolo Bonzini /** 78215e79c0SAlexander Graf * kvm_halt_in_kernel 79215e79c0SAlexander Graf * 80215e79c0SAlexander Graf * Returns: true if halted cpus should still get a KVM_RUN ioctl to run 81215e79c0SAlexander Graf * inside of kernel space. This only works if MP state is implemented. 82215e79c0SAlexander Graf */ 83215e79c0SAlexander Graf #define kvm_halt_in_kernel() (kvm_halt_in_kernel_allowed) 84215e79c0SAlexander Graf 85215e79c0SAlexander Graf /** 869c17d615SPaolo Bonzini * kvm_irqfds_enabled: 879c17d615SPaolo Bonzini * 889c17d615SPaolo Bonzini * Returns: true if we can use irqfds to inject interrupts into 899c17d615SPaolo Bonzini * a KVM CPU (ie the kernel supports irqfds and we are running 909c17d615SPaolo Bonzini * with a configuration where it is meaningful to use them). 919c17d615SPaolo Bonzini */ 929c17d615SPaolo Bonzini #define kvm_irqfds_enabled() (kvm_irqfds_allowed) 939c17d615SPaolo Bonzini 949c17d615SPaolo Bonzini /** 959c17d615SPaolo Bonzini * kvm_msi_via_irqfd_enabled: 969c17d615SPaolo Bonzini * 979c17d615SPaolo Bonzini * Returns: true if we can route a PCI MSI (Message Signaled Interrupt) 989c17d615SPaolo Bonzini * to a KVM CPU via an irqfd. This requires that the kernel supports 999c17d615SPaolo Bonzini * this and that we're running in a configuration that permits it. 1009c17d615SPaolo Bonzini */ 1019c17d615SPaolo Bonzini #define kvm_msi_via_irqfd_enabled() (kvm_msi_via_irqfd_allowed) 1029c17d615SPaolo Bonzini 1039c17d615SPaolo Bonzini /** 1049c17d615SPaolo Bonzini * kvm_gsi_routing_enabled: 1059c17d615SPaolo Bonzini * 1069c17d615SPaolo Bonzini * Returns: true if GSI routing is enabled (ie the kernel supports 1079c17d615SPaolo Bonzini * it and we're running in a configuration that permits it). 1089c17d615SPaolo Bonzini */ 1099c17d615SPaolo Bonzini #define kvm_gsi_routing_enabled() (kvm_gsi_routing_allowed) 1109c17d615SPaolo Bonzini 111df9c8b75SJordan Justen /** 11276fe21deSAlexey Kardashevskiy * kvm_gsi_direct_mapping: 11376fe21deSAlexey Kardashevskiy * 11476fe21deSAlexey Kardashevskiy * Returns: true if GSI direct mapping is enabled. 11576fe21deSAlexey Kardashevskiy */ 11676fe21deSAlexey Kardashevskiy #define kvm_gsi_direct_mapping() (kvm_gsi_direct_mapping) 11776fe21deSAlexey Kardashevskiy 11876fe21deSAlexey Kardashevskiy /** 119df9c8b75SJordan Justen * kvm_readonly_mem_enabled: 120df9c8b75SJordan Justen * 121df9c8b75SJordan Justen * Returns: true if KVM readonly memory is enabled (ie the kernel 122df9c8b75SJordan Justen * supports it and we're running in a configuration that permits it). 123df9c8b75SJordan Justen */ 124df9c8b75SJordan Justen #define kvm_readonly_mem_enabled() (kvm_readonly_mem_allowed) 125df9c8b75SJordan Justen 1269c17d615SPaolo Bonzini #else 1279c17d615SPaolo Bonzini #define kvm_enabled() (0) 1289c17d615SPaolo Bonzini #define kvm_irqchip_in_kernel() (false) 1299c17d615SPaolo Bonzini #define kvm_async_interrupts_enabled() (false) 130215e79c0SAlexander Graf #define kvm_halt_in_kernel() (false) 1319c17d615SPaolo Bonzini #define kvm_irqfds_enabled() (false) 1329c17d615SPaolo Bonzini #define kvm_msi_via_irqfd_enabled() (false) 1339c17d615SPaolo Bonzini #define kvm_gsi_routing_allowed() (false) 13476fe21deSAlexey Kardashevskiy #define kvm_gsi_direct_mapping() (false) 135df9c8b75SJordan Justen #define kvm_readonly_mem_enabled() (false) 1369c17d615SPaolo Bonzini #endif 1379c17d615SPaolo Bonzini 1389c17d615SPaolo Bonzini struct kvm_run; 1399c17d615SPaolo Bonzini struct kvm_lapic_state; 1409c17d615SPaolo Bonzini 1419c17d615SPaolo Bonzini typedef struct KVMCapabilityInfo { 1429c17d615SPaolo Bonzini const char *name; 1439c17d615SPaolo Bonzini int value; 1449c17d615SPaolo Bonzini } KVMCapabilityInfo; 1459c17d615SPaolo Bonzini 1469c17d615SPaolo Bonzini #define KVM_CAP_INFO(CAP) { "KVM_CAP_" stringify(CAP), KVM_CAP_##CAP } 1479c17d615SPaolo Bonzini #define KVM_CAP_LAST_INFO { NULL, 0 } 1489c17d615SPaolo Bonzini 1499c17d615SPaolo Bonzini struct KVMState; 1509c17d615SPaolo Bonzini typedef struct KVMState KVMState; 1519c17d615SPaolo Bonzini extern KVMState *kvm_state; 1529c17d615SPaolo Bonzini 1539c17d615SPaolo Bonzini /* external API */ 1549c17d615SPaolo Bonzini 155f1e29879SMarcel Apfelbaum int kvm_init(MachineClass *mc); 1569c17d615SPaolo Bonzini 1579c17d615SPaolo Bonzini int kvm_has_sync_mmu(void); 1589c17d615SPaolo Bonzini int kvm_has_vcpu_events(void); 1599c17d615SPaolo Bonzini int kvm_has_robust_singlestep(void); 1609c17d615SPaolo Bonzini int kvm_has_debugregs(void); 1619c17d615SPaolo Bonzini int kvm_has_xsave(void); 1629c17d615SPaolo Bonzini int kvm_has_xcrs(void); 1639c17d615SPaolo Bonzini int kvm_has_pit_state2(void); 1649c17d615SPaolo Bonzini int kvm_has_many_ioeventfds(void); 1659c17d615SPaolo Bonzini int kvm_has_gsi_routing(void); 1669c17d615SPaolo Bonzini int kvm_has_intx_set_mask(void); 1679c17d615SPaolo Bonzini 168504134d2SAndreas Färber int kvm_init_vcpu(CPUState *cpu); 1691458c363SAndreas Färber int kvm_cpu_exec(CPUState *cpu); 1709c17d615SPaolo Bonzini 171504134d2SAndreas Färber #ifdef NEED_CPU_H 1729c17d615SPaolo Bonzini 173c4cfef5eSIgor Mammedov void kvm_setup_guest_memory(void *start, size_t size); 174c4cfef5eSIgor Mammedov void kvm_flush_coalesced_mmio_buffer(void); 175c4cfef5eSIgor Mammedov 17662278814SAndreas Färber int kvm_insert_breakpoint(CPUState *cpu, target_ulong addr, 1779c17d615SPaolo Bonzini target_ulong len, int type); 17862278814SAndreas Färber int kvm_remove_breakpoint(CPUState *cpu, target_ulong addr, 1799c17d615SPaolo Bonzini target_ulong len, int type); 1801d5791f4SAndreas Färber void kvm_remove_all_breakpoints(CPUState *cpu); 18138e478ecSStefan Weil int kvm_update_guest_debug(CPUState *cpu, unsigned long reinject_trap); 1829c17d615SPaolo Bonzini #ifndef _WIN32 183491d6e80SAndreas Färber int kvm_set_signal_mask(CPUState *cpu, const sigset_t *sigset); 1849c17d615SPaolo Bonzini #endif 1859c17d615SPaolo Bonzini 186290adf38SAndreas Färber int kvm_on_sigbus_vcpu(CPUState *cpu, int code, void *addr); 1879c17d615SPaolo Bonzini int kvm_on_sigbus(int code, void *addr); 1889c17d615SPaolo Bonzini 1899c17d615SPaolo Bonzini /* internal API */ 1909c17d615SPaolo Bonzini 1919c17d615SPaolo Bonzini int kvm_ioctl(KVMState *s, int type, ...); 1929c17d615SPaolo Bonzini 1939c17d615SPaolo Bonzini int kvm_vm_ioctl(KVMState *s, int type, ...); 1949c17d615SPaolo Bonzini 195501a7ce7SAndreas Färber int kvm_vcpu_ioctl(CPUState *cpu, int type, ...); 1969c17d615SPaolo Bonzini 1970a6a7ccaSChristoffer Dall /** 1980a6a7ccaSChristoffer Dall * kvm_device_ioctl - call an ioctl on a kvm device 1990a6a7ccaSChristoffer Dall * @fd: The KVM device file descriptor as returned from KVM_CREATE_DEVICE 2000a6a7ccaSChristoffer Dall * @type: The device-ctrl ioctl number 2010a6a7ccaSChristoffer Dall * 2020a6a7ccaSChristoffer Dall * Returns: -errno on error, nonnegative on success 2030a6a7ccaSChristoffer Dall */ 2040a6a7ccaSChristoffer Dall int kvm_device_ioctl(int fd, int type, ...); 2050a6a7ccaSChristoffer Dall 2060a6a7ccaSChristoffer Dall /** 2070a6a7ccaSChristoffer Dall * kvm_create_device - create a KVM device for the device control API 2080a6a7ccaSChristoffer Dall * @KVMState: The KVMState pointer 2090a6a7ccaSChristoffer Dall * @type: The KVM device type (see Documentation/virtual/kvm/devices in the 2100a6a7ccaSChristoffer Dall * kernel source) 2110a6a7ccaSChristoffer Dall * @test: If true, only test if device can be created, but don't actually 2120a6a7ccaSChristoffer Dall * create the device. 2130a6a7ccaSChristoffer Dall * 2140a6a7ccaSChristoffer Dall * Returns: -errno on error, nonnegative on success: @test ? 0 : device fd; 2150a6a7ccaSChristoffer Dall */ 2160a6a7ccaSChristoffer Dall int kvm_create_device(KVMState *s, uint64_t type, bool test); 2170a6a7ccaSChristoffer Dall 2180a6a7ccaSChristoffer Dall 2199c17d615SPaolo Bonzini /* Arch specific hooks */ 2209c17d615SPaolo Bonzini 2219c17d615SPaolo Bonzini extern const KVMCapabilityInfo kvm_arch_required_capabilities[]; 2229c17d615SPaolo Bonzini 223501a7ce7SAndreas Färber void kvm_arch_pre_run(CPUState *cpu, struct kvm_run *run); 224501a7ce7SAndreas Färber void kvm_arch_post_run(CPUState *cpu, struct kvm_run *run); 2259c17d615SPaolo Bonzini 226501a7ce7SAndreas Färber int kvm_arch_handle_exit(CPUState *cpu, struct kvm_run *run); 2279c17d615SPaolo Bonzini 228501a7ce7SAndreas Färber int kvm_arch_process_async_events(CPUState *cpu); 2299c17d615SPaolo Bonzini 230501a7ce7SAndreas Färber int kvm_arch_get_registers(CPUState *cpu); 2319c17d615SPaolo Bonzini 2329c17d615SPaolo Bonzini /* state subset only touched by the VCPU itself during runtime */ 2339c17d615SPaolo Bonzini #define KVM_PUT_RUNTIME_STATE 1 2349c17d615SPaolo Bonzini /* state subset modified during VCPU reset */ 2359c17d615SPaolo Bonzini #define KVM_PUT_RESET_STATE 2 2369c17d615SPaolo Bonzini /* full state set, modified during initialization or on vmload */ 2379c17d615SPaolo Bonzini #define KVM_PUT_FULL_STATE 3 2389c17d615SPaolo Bonzini 239501a7ce7SAndreas Färber int kvm_arch_put_registers(CPUState *cpu, int level); 2409c17d615SPaolo Bonzini 2419c17d615SPaolo Bonzini int kvm_arch_init(KVMState *s); 2429c17d615SPaolo Bonzini 243501a7ce7SAndreas Färber int kvm_arch_init_vcpu(CPUState *cpu); 2449c17d615SPaolo Bonzini 245b164e48eSEduardo Habkost /* Returns VCPU ID to be used on KVM_CREATE_VCPU ioctl() */ 246b164e48eSEduardo Habkost unsigned long kvm_arch_vcpu_id(CPUState *cpu); 247b164e48eSEduardo Habkost 248501a7ce7SAndreas Färber int kvm_arch_on_sigbus_vcpu(CPUState *cpu, int code, void *addr); 2499c17d615SPaolo Bonzini int kvm_arch_on_sigbus(int code, void *addr); 2509c17d615SPaolo Bonzini 2519c17d615SPaolo Bonzini void kvm_arch_init_irq_routing(KVMState *s); 2529c17d615SPaolo Bonzini 2539c17d615SPaolo Bonzini int kvm_set_irq(KVMState *s, int irq, int level); 2549c17d615SPaolo Bonzini int kvm_irqchip_send_msi(KVMState *s, MSIMessage msg); 2559c17d615SPaolo Bonzini 2569c17d615SPaolo Bonzini void kvm_irqchip_add_irq_route(KVMState *s, int gsi, int irqchip, int pin); 257cb925cf9SAlexander Graf void kvm_irqchip_commit_routes(KVMState *s); 2589c17d615SPaolo Bonzini 2599c17d615SPaolo Bonzini void kvm_put_apic_state(DeviceState *d, struct kvm_lapic_state *kapic); 2609c17d615SPaolo Bonzini void kvm_get_apic_state(DeviceState *d, struct kvm_lapic_state *kapic); 2619c17d615SPaolo Bonzini 2629c17d615SPaolo Bonzini struct kvm_guest_debug; 2639c17d615SPaolo Bonzini struct kvm_debug_exit_arch; 2649c17d615SPaolo Bonzini 2659c17d615SPaolo Bonzini struct kvm_sw_breakpoint { 2669c17d615SPaolo Bonzini target_ulong pc; 2679c17d615SPaolo Bonzini target_ulong saved_insn; 2689c17d615SPaolo Bonzini int use_count; 2699c17d615SPaolo Bonzini QTAILQ_ENTRY(kvm_sw_breakpoint) entry; 2709c17d615SPaolo Bonzini }; 2719c17d615SPaolo Bonzini 2729c17d615SPaolo Bonzini QTAILQ_HEAD(kvm_sw_breakpoint_head, kvm_sw_breakpoint); 2739c17d615SPaolo Bonzini 274501a7ce7SAndreas Färber struct kvm_sw_breakpoint *kvm_find_sw_breakpoint(CPUState *cpu, 2759c17d615SPaolo Bonzini target_ulong pc); 2769c17d615SPaolo Bonzini 277501a7ce7SAndreas Färber int kvm_sw_breakpoints_active(CPUState *cpu); 2789c17d615SPaolo Bonzini 27980b7cd73SAndreas Färber int kvm_arch_insert_sw_breakpoint(CPUState *cpu, 2809c17d615SPaolo Bonzini struct kvm_sw_breakpoint *bp); 28180b7cd73SAndreas Färber int kvm_arch_remove_sw_breakpoint(CPUState *cpu, 2829c17d615SPaolo Bonzini struct kvm_sw_breakpoint *bp); 2839c17d615SPaolo Bonzini int kvm_arch_insert_hw_breakpoint(target_ulong addr, 2849c17d615SPaolo Bonzini target_ulong len, int type); 2859c17d615SPaolo Bonzini int kvm_arch_remove_hw_breakpoint(target_ulong addr, 2869c17d615SPaolo Bonzini target_ulong len, int type); 2879c17d615SPaolo Bonzini void kvm_arch_remove_all_hw_breakpoints(void); 2889c17d615SPaolo Bonzini 289501a7ce7SAndreas Färber void kvm_arch_update_guest_debug(CPUState *cpu, struct kvm_guest_debug *dbg); 2909c17d615SPaolo Bonzini 291501a7ce7SAndreas Färber bool kvm_arch_stop_on_emulation_error(CPUState *cpu); 2929c17d615SPaolo Bonzini 2939c17d615SPaolo Bonzini int kvm_check_extension(KVMState *s, unsigned int extension); 2949c17d615SPaolo Bonzini 29540f1ee27SCornelia Huck #define kvm_vm_enable_cap(s, capability, cap_flags, ...) \ 29640f1ee27SCornelia Huck ({ \ 29740f1ee27SCornelia Huck struct kvm_enable_cap cap = { \ 29840f1ee27SCornelia Huck .cap = capability, \ 29940f1ee27SCornelia Huck .flags = cap_flags, \ 30040f1ee27SCornelia Huck }; \ 30140f1ee27SCornelia Huck uint64_t args_tmp[] = { __VA_ARGS__ }; \ 30240f1ee27SCornelia Huck int i; \ 303*61c7bbd2SAlexander Graf for (i = 0; i < (int)ARRAY_SIZE(args_tmp) && \ 30440f1ee27SCornelia Huck i < ARRAY_SIZE(cap.args); i++) { \ 30540f1ee27SCornelia Huck cap.args[i] = args_tmp[i]; \ 30640f1ee27SCornelia Huck } \ 30740f1ee27SCornelia Huck kvm_vm_ioctl(s, KVM_ENABLE_CAP, &cap); \ 30840f1ee27SCornelia Huck }) 30940f1ee27SCornelia Huck 31040f1ee27SCornelia Huck #define kvm_vcpu_enable_cap(cpu, capability, cap_flags, ...) \ 31140f1ee27SCornelia Huck ({ \ 31240f1ee27SCornelia Huck struct kvm_enable_cap cap = { \ 31340f1ee27SCornelia Huck .cap = capability, \ 31440f1ee27SCornelia Huck .flags = cap_flags, \ 31540f1ee27SCornelia Huck }; \ 31640f1ee27SCornelia Huck uint64_t args_tmp[] = { __VA_ARGS__ }; \ 31740f1ee27SCornelia Huck int i; \ 318*61c7bbd2SAlexander Graf for (i = 0; i < (int)ARRAY_SIZE(args_tmp) && \ 31940f1ee27SCornelia Huck i < ARRAY_SIZE(cap.args); i++) { \ 32040f1ee27SCornelia Huck cap.args[i] = args_tmp[i]; \ 32140f1ee27SCornelia Huck } \ 32240f1ee27SCornelia Huck kvm_vcpu_ioctl(cpu, KVM_ENABLE_CAP, &cap); \ 32340f1ee27SCornelia Huck }) 32440f1ee27SCornelia Huck 3259c17d615SPaolo Bonzini uint32_t kvm_arch_get_supported_cpuid(KVMState *env, uint32_t function, 3269c17d615SPaolo Bonzini uint32_t index, int reg); 32797577fd4SJames Hogan 32897577fd4SJames Hogan #if !defined(CONFIG_USER_ONLY) 32997577fd4SJames Hogan int kvm_physical_memory_addr_from_host(KVMState *s, void *ram_addr, 33097577fd4SJames Hogan hwaddr *phys_addr); 33197577fd4SJames Hogan #endif 33297577fd4SJames Hogan 33397577fd4SJames Hogan #endif /* NEED_CPU_H */ 33497577fd4SJames Hogan 335dd1750d7SAndreas Färber void kvm_cpu_synchronize_state(CPUState *cpu); 33697577fd4SJames Hogan void kvm_cpu_synchronize_post_reset(CPUState *cpu); 33797577fd4SJames Hogan void kvm_cpu_synchronize_post_init(CPUState *cpu); 3389c17d615SPaolo Bonzini 3399c17d615SPaolo Bonzini /* generic hooks - to be moved/refactored once there are more users */ 3409c17d615SPaolo Bonzini 341cb446ecaSAndreas Färber static inline void cpu_synchronize_state(CPUState *cpu) 3429c17d615SPaolo Bonzini { 3439c17d615SPaolo Bonzini if (kvm_enabled()) { 344cb446ecaSAndreas Färber kvm_cpu_synchronize_state(cpu); 3459c17d615SPaolo Bonzini } 3469c17d615SPaolo Bonzini } 3479c17d615SPaolo Bonzini 3483f24a58fSIgor Mammedov static inline void cpu_synchronize_post_reset(CPUState *cpu) 3499c17d615SPaolo Bonzini { 3509c17d615SPaolo Bonzini if (kvm_enabled()) { 3513f24a58fSIgor Mammedov kvm_cpu_synchronize_post_reset(cpu); 3529c17d615SPaolo Bonzini } 3539c17d615SPaolo Bonzini } 3549c17d615SPaolo Bonzini 3553f24a58fSIgor Mammedov static inline void cpu_synchronize_post_init(CPUState *cpu) 3569c17d615SPaolo Bonzini { 3579c17d615SPaolo Bonzini if (kvm_enabled()) { 3583f24a58fSIgor Mammedov kvm_cpu_synchronize_post_init(cpu); 3599c17d615SPaolo Bonzini } 3609c17d615SPaolo Bonzini } 3619c17d615SPaolo Bonzini 3629c17d615SPaolo Bonzini int kvm_irqchip_add_msi_route(KVMState *s, MSIMessage msg); 3639c17d615SPaolo Bonzini int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg); 3649c17d615SPaolo Bonzini void kvm_irqchip_release_virq(KVMState *s, int virq); 3659c17d615SPaolo Bonzini 366ca916d37SVincenzo Maffione int kvm_irqchip_add_irqfd_notifier(KVMState *s, EventNotifier *n, 367ca916d37SVincenzo Maffione EventNotifier *rn, int virq); 3689c17d615SPaolo Bonzini int kvm_irqchip_remove_irqfd_notifier(KVMState *s, EventNotifier *n, int virq); 3699c17d615SPaolo Bonzini void kvm_pc_gsi_handler(void *opaque, int n, int level); 3709c17d615SPaolo Bonzini void kvm_pc_setup_irq_routing(bool pci_enabled); 3717b774593SAlexander Graf void kvm_init_irq_routing(KVMState *s); 372d6032e06SChristoffer Dall 373d6032e06SChristoffer Dall /** 374d6032e06SChristoffer Dall * kvm_arch_irqchip_create: 375d6032e06SChristoffer Dall * @KVMState: The KVMState pointer 376d6032e06SChristoffer Dall * 377d6032e06SChristoffer Dall * Allow architectures to create an in-kernel irq chip themselves. 378d6032e06SChristoffer Dall * 379d6032e06SChristoffer Dall * Returns: < 0: error 380d6032e06SChristoffer Dall * 0: irq chip was not created 381d6032e06SChristoffer Dall * > 0: irq chip was created 382d6032e06SChristoffer Dall */ 383d6032e06SChristoffer Dall int kvm_arch_irqchip_create(KVMState *s); 384ada4135fSCornelia Huck 385ada4135fSCornelia Huck /** 386ada4135fSCornelia Huck * kvm_set_one_reg - set a register value in KVM via KVM_SET_ONE_REG ioctl 387ada4135fSCornelia Huck * @id: The register ID 388ada4135fSCornelia Huck * @source: The pointer to the value to be set. It must point to a variable 389ada4135fSCornelia Huck * of the correct type/size for the register being accessed. 390ada4135fSCornelia Huck * 391ada4135fSCornelia Huck * Returns: 0 on success, or a negative errno on failure. 392ada4135fSCornelia Huck */ 393ada4135fSCornelia Huck int kvm_set_one_reg(CPUState *cs, uint64_t id, void *source); 394ada4135fSCornelia Huck 395ada4135fSCornelia Huck /** 396ada4135fSCornelia Huck * kvm_get_one_reg - get a register value from KVM via KVM_GET_ONE_REG ioctl 397ada4135fSCornelia Huck * @id: The register ID 398ada4135fSCornelia Huck * @target: The pointer where the value is to be stored. It must point to a 399ada4135fSCornelia Huck * variable of the correct type/size for the register being accessed. 400ada4135fSCornelia Huck * 401ada4135fSCornelia Huck * Returns: 0 on success, or a negative errno on failure. 402ada4135fSCornelia Huck */ 403ada4135fSCornelia Huck int kvm_get_one_reg(CPUState *cs, uint64_t id, void *target); 4049c17d615SPaolo Bonzini #endif 405