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" 214c663752SPaolo Bonzini #include "exec/memattrs.h" 22197e3524SEric Auger #include "hw/irq.h" 239c17d615SPaolo Bonzini 249c17d615SPaolo Bonzini #ifdef CONFIG_KVM 259c17d615SPaolo Bonzini #include <linux/kvm.h> 269c17d615SPaolo Bonzini #include <linux/kvm_para.h> 279ca58923SEduardo Habkost #else 289ca58923SEduardo Habkost /* These constants must never be used at runtime if kvm_enabled() is false. 299ca58923SEduardo Habkost * They exist so we don't need #ifdefs around KVM-specific code that already 309ca58923SEduardo Habkost * checks kvm_enabled() properly. 319ca58923SEduardo Habkost */ 329ca58923SEduardo Habkost #define KVM_CPUID_SIGNATURE 0 339ca58923SEduardo Habkost #define KVM_CPUID_FEATURES 0 349ca58923SEduardo Habkost #define KVM_FEATURE_CLOCKSOURCE 0 359ca58923SEduardo Habkost #define KVM_FEATURE_NOP_IO_DELAY 0 369ca58923SEduardo Habkost #define KVM_FEATURE_MMU_OP 0 379ca58923SEduardo Habkost #define KVM_FEATURE_CLOCKSOURCE2 0 389ca58923SEduardo Habkost #define KVM_FEATURE_ASYNC_PF 0 399ca58923SEduardo Habkost #define KVM_FEATURE_STEAL_TIME 0 409ca58923SEduardo Habkost #define KVM_FEATURE_PV_EOI 0 41d61a23baSEduardo Habkost #define KVM_FEATURE_CLOCKSOURCE_STABLE_BIT 0 429c17d615SPaolo Bonzini #endif 439c17d615SPaolo Bonzini 44d5286af5Sliguang extern bool kvm_allowed; 459c17d615SPaolo Bonzini extern bool kvm_kernel_irqchip; 469c17d615SPaolo Bonzini extern bool kvm_async_interrupts_allowed; 47215e79c0SAlexander Graf extern bool kvm_halt_in_kernel_allowed; 4869e03ae6SNikolay Nikolaev extern bool kvm_eventfds_allowed; 499c17d615SPaolo Bonzini extern bool kvm_irqfds_allowed; 50f41389aeSEric Auger extern bool kvm_resamplefds_allowed; 519c17d615SPaolo Bonzini extern bool kvm_msi_via_irqfd_allowed; 529c17d615SPaolo Bonzini extern bool kvm_gsi_routing_allowed; 5376fe21deSAlexey Kardashevskiy extern bool kvm_gsi_direct_mapping; 54df9c8b75SJordan Justen extern bool kvm_readonly_mem_allowed; 5550bf31b9SPavel Fedin extern bool kvm_direct_msi_allowed; 5635108223SJason Wang extern bool kvm_ioeventfd_any_length_allowed; 579c17d615SPaolo Bonzini 589c17d615SPaolo Bonzini #if defined CONFIG_KVM || !defined NEED_CPU_H 599c17d615SPaolo Bonzini #define kvm_enabled() (kvm_allowed) 609c17d615SPaolo Bonzini /** 619c17d615SPaolo Bonzini * kvm_irqchip_in_kernel: 629c17d615SPaolo Bonzini * 639c17d615SPaolo Bonzini * Returns: true if the user asked us to create an in-kernel 649c17d615SPaolo Bonzini * irqchip via the "kernel_irqchip=on" machine option. 659c17d615SPaolo Bonzini * What this actually means is architecture and machine model 669c17d615SPaolo Bonzini * specific: on PC, for instance, it means that the LAPIC, 679c17d615SPaolo Bonzini * IOAPIC and PIT are all in kernel. This function should never 689c17d615SPaolo Bonzini * be used from generic target-independent code: use one of the 699c17d615SPaolo Bonzini * following functions or some other specific check instead. 709c17d615SPaolo Bonzini */ 719c17d615SPaolo Bonzini #define kvm_irqchip_in_kernel() (kvm_kernel_irqchip) 729c17d615SPaolo Bonzini 739c17d615SPaolo Bonzini /** 749c17d615SPaolo Bonzini * kvm_async_interrupts_enabled: 759c17d615SPaolo Bonzini * 769c17d615SPaolo Bonzini * Returns: true if we can deliver interrupts to KVM 779c17d615SPaolo Bonzini * asynchronously (ie by ioctl from any thread at any time) 789c17d615SPaolo Bonzini * rather than having to do interrupt delivery synchronously 799c17d615SPaolo Bonzini * (where the vcpu must be stopped at a suitable point first). 809c17d615SPaolo Bonzini */ 819c17d615SPaolo Bonzini #define kvm_async_interrupts_enabled() (kvm_async_interrupts_allowed) 829c17d615SPaolo Bonzini 839c17d615SPaolo Bonzini /** 84215e79c0SAlexander Graf * kvm_halt_in_kernel 85215e79c0SAlexander Graf * 86215e79c0SAlexander Graf * Returns: true if halted cpus should still get a KVM_RUN ioctl to run 87215e79c0SAlexander Graf * inside of kernel space. This only works if MP state is implemented. 88215e79c0SAlexander Graf */ 89215e79c0SAlexander Graf #define kvm_halt_in_kernel() (kvm_halt_in_kernel_allowed) 90215e79c0SAlexander Graf 91215e79c0SAlexander Graf /** 9269e03ae6SNikolay Nikolaev * kvm_eventfds_enabled: 9369e03ae6SNikolay Nikolaev * 9469e03ae6SNikolay Nikolaev * Returns: true if we can use eventfds to receive notifications 9569e03ae6SNikolay Nikolaev * from a KVM CPU (ie the kernel supports eventds and we are running 9669e03ae6SNikolay Nikolaev * with a configuration where it is meaningful to use them). 9769e03ae6SNikolay Nikolaev */ 9869e03ae6SNikolay Nikolaev #define kvm_eventfds_enabled() (kvm_eventfds_allowed) 9969e03ae6SNikolay Nikolaev 10069e03ae6SNikolay Nikolaev /** 1019c17d615SPaolo Bonzini * kvm_irqfds_enabled: 1029c17d615SPaolo Bonzini * 1039c17d615SPaolo Bonzini * Returns: true if we can use irqfds to inject interrupts into 1049c17d615SPaolo Bonzini * a KVM CPU (ie the kernel supports irqfds and we are running 1059c17d615SPaolo Bonzini * with a configuration where it is meaningful to use them). 1069c17d615SPaolo Bonzini */ 1079c17d615SPaolo Bonzini #define kvm_irqfds_enabled() (kvm_irqfds_allowed) 1089c17d615SPaolo Bonzini 1099c17d615SPaolo Bonzini /** 110f41389aeSEric Auger * kvm_resamplefds_enabled: 111f41389aeSEric Auger * 112f41389aeSEric Auger * Returns: true if we can use resamplefds to inject interrupts into 113f41389aeSEric Auger * a KVM CPU (ie the kernel supports resamplefds and we are running 114f41389aeSEric Auger * with a configuration where it is meaningful to use them). 115f41389aeSEric Auger */ 116f41389aeSEric Auger #define kvm_resamplefds_enabled() (kvm_resamplefds_allowed) 117f41389aeSEric Auger 118f41389aeSEric Auger /** 1199c17d615SPaolo Bonzini * kvm_msi_via_irqfd_enabled: 1209c17d615SPaolo Bonzini * 1219c17d615SPaolo Bonzini * Returns: true if we can route a PCI MSI (Message Signaled Interrupt) 1229c17d615SPaolo Bonzini * to a KVM CPU via an irqfd. This requires that the kernel supports 1239c17d615SPaolo Bonzini * this and that we're running in a configuration that permits it. 1249c17d615SPaolo Bonzini */ 1259c17d615SPaolo Bonzini #define kvm_msi_via_irqfd_enabled() (kvm_msi_via_irqfd_allowed) 1269c17d615SPaolo Bonzini 1279c17d615SPaolo Bonzini /** 1289c17d615SPaolo Bonzini * kvm_gsi_routing_enabled: 1299c17d615SPaolo Bonzini * 1309c17d615SPaolo Bonzini * Returns: true if GSI routing is enabled (ie the kernel supports 1319c17d615SPaolo Bonzini * it and we're running in a configuration that permits it). 1329c17d615SPaolo Bonzini */ 1339c17d615SPaolo Bonzini #define kvm_gsi_routing_enabled() (kvm_gsi_routing_allowed) 1349c17d615SPaolo Bonzini 135df9c8b75SJordan Justen /** 13676fe21deSAlexey Kardashevskiy * kvm_gsi_direct_mapping: 13776fe21deSAlexey Kardashevskiy * 13876fe21deSAlexey Kardashevskiy * Returns: true if GSI direct mapping is enabled. 13976fe21deSAlexey Kardashevskiy */ 14076fe21deSAlexey Kardashevskiy #define kvm_gsi_direct_mapping() (kvm_gsi_direct_mapping) 14176fe21deSAlexey Kardashevskiy 14276fe21deSAlexey Kardashevskiy /** 143df9c8b75SJordan Justen * kvm_readonly_mem_enabled: 144df9c8b75SJordan Justen * 145df9c8b75SJordan Justen * Returns: true if KVM readonly memory is enabled (ie the kernel 146df9c8b75SJordan Justen * supports it and we're running in a configuration that permits it). 147df9c8b75SJordan Justen */ 148df9c8b75SJordan Justen #define kvm_readonly_mem_enabled() (kvm_readonly_mem_allowed) 149df9c8b75SJordan Justen 15050bf31b9SPavel Fedin /** 15150bf31b9SPavel Fedin * kvm_direct_msi_enabled: 15250bf31b9SPavel Fedin * 15350bf31b9SPavel Fedin * Returns: true if KVM allows direct MSI injection. 15450bf31b9SPavel Fedin */ 15550bf31b9SPavel Fedin #define kvm_direct_msi_enabled() (kvm_direct_msi_allowed) 15650bf31b9SPavel Fedin 15735108223SJason Wang /** 15835108223SJason Wang * kvm_ioeventfd_any_length_enabled: 15935108223SJason Wang * Returns: true if KVM allows any length io eventfd. 16035108223SJason Wang */ 16135108223SJason Wang #define kvm_ioeventfd_any_length_enabled() (kvm_ioeventfd_any_length_allowed) 16235108223SJason Wang 1639c17d615SPaolo Bonzini #else 1649c17d615SPaolo Bonzini #define kvm_enabled() (0) 1659c17d615SPaolo Bonzini #define kvm_irqchip_in_kernel() (false) 1669c17d615SPaolo Bonzini #define kvm_async_interrupts_enabled() (false) 167215e79c0SAlexander Graf #define kvm_halt_in_kernel() (false) 16869e03ae6SNikolay Nikolaev #define kvm_eventfds_enabled() (false) 1699c17d615SPaolo Bonzini #define kvm_irqfds_enabled() (false) 170879904e8SEric Auger #define kvm_resamplefds_enabled() (false) 1719c17d615SPaolo Bonzini #define kvm_msi_via_irqfd_enabled() (false) 1729c17d615SPaolo Bonzini #define kvm_gsi_routing_allowed() (false) 17376fe21deSAlexey Kardashevskiy #define kvm_gsi_direct_mapping() (false) 174df9c8b75SJordan Justen #define kvm_readonly_mem_enabled() (false) 17550bf31b9SPavel Fedin #define kvm_direct_msi_enabled() (false) 17635108223SJason Wang #define kvm_ioeventfd_any_length_enabled() (false) 1779c17d615SPaolo Bonzini #endif 1789c17d615SPaolo Bonzini 1799c17d615SPaolo Bonzini struct kvm_run; 1809c17d615SPaolo Bonzini struct kvm_lapic_state; 1819e03a040SFrank Blaschka struct kvm_irq_routing_entry; 1829c17d615SPaolo Bonzini 1839c17d615SPaolo Bonzini typedef struct KVMCapabilityInfo { 1849c17d615SPaolo Bonzini const char *name; 1859c17d615SPaolo Bonzini int value; 1869c17d615SPaolo Bonzini } KVMCapabilityInfo; 1879c17d615SPaolo Bonzini 1889c17d615SPaolo Bonzini #define KVM_CAP_INFO(CAP) { "KVM_CAP_" stringify(CAP), KVM_CAP_##CAP } 1899c17d615SPaolo Bonzini #define KVM_CAP_LAST_INFO { NULL, 0 } 1909c17d615SPaolo Bonzini 1919c17d615SPaolo Bonzini struct KVMState; 1929c17d615SPaolo Bonzini typedef struct KVMState KVMState; 1939c17d615SPaolo Bonzini extern KVMState *kvm_state; 1949c17d615SPaolo Bonzini 1959c17d615SPaolo Bonzini /* external API */ 1969c17d615SPaolo Bonzini 197b8865591SIgor Mammedov bool kvm_has_free_slot(MachineState *ms); 1989c17d615SPaolo Bonzini int kvm_has_sync_mmu(void); 1999c17d615SPaolo Bonzini int kvm_has_vcpu_events(void); 2009c17d615SPaolo Bonzini int kvm_has_robust_singlestep(void); 2019c17d615SPaolo Bonzini int kvm_has_debugregs(void); 2029c17d615SPaolo Bonzini int kvm_has_pit_state2(void); 2039c17d615SPaolo Bonzini int kvm_has_many_ioeventfds(void); 2049c17d615SPaolo Bonzini int kvm_has_gsi_routing(void); 2059c17d615SPaolo Bonzini int kvm_has_intx_set_mask(void); 2069c17d615SPaolo Bonzini 207504134d2SAndreas Färber int kvm_init_vcpu(CPUState *cpu); 2081458c363SAndreas Färber int kvm_cpu_exec(CPUState *cpu); 2099c17d615SPaolo Bonzini 210504134d2SAndreas Färber #ifdef NEED_CPU_H 2119c17d615SPaolo Bonzini 212c4cfef5eSIgor Mammedov void kvm_setup_guest_memory(void *start, size_t size); 213c4cfef5eSIgor Mammedov void kvm_flush_coalesced_mmio_buffer(void); 214c4cfef5eSIgor Mammedov 21562278814SAndreas Färber int kvm_insert_breakpoint(CPUState *cpu, target_ulong addr, 2169c17d615SPaolo Bonzini target_ulong len, int type); 21762278814SAndreas Färber int kvm_remove_breakpoint(CPUState *cpu, target_ulong addr, 2189c17d615SPaolo Bonzini target_ulong len, int type); 2191d5791f4SAndreas Färber void kvm_remove_all_breakpoints(CPUState *cpu); 22038e478ecSStefan Weil int kvm_update_guest_debug(CPUState *cpu, unsigned long reinject_trap); 2219c17d615SPaolo Bonzini #ifndef _WIN32 222491d6e80SAndreas Färber int kvm_set_signal_mask(CPUState *cpu, const sigset_t *sigset); 2239c17d615SPaolo Bonzini #endif 2249c17d615SPaolo Bonzini 225290adf38SAndreas Färber int kvm_on_sigbus_vcpu(CPUState *cpu, int code, void *addr); 2269c17d615SPaolo Bonzini int kvm_on_sigbus(int code, void *addr); 2279c17d615SPaolo Bonzini 22888401cbcSPaolo Bonzini /* interface with exec.c */ 22988401cbcSPaolo Bonzini 23088401cbcSPaolo Bonzini void phys_mem_set_alloc(void *(*alloc)(size_t, uint64_t *align)); 23188401cbcSPaolo Bonzini 2329c17d615SPaolo Bonzini /* internal API */ 2339c17d615SPaolo Bonzini 2349c17d615SPaolo Bonzini int kvm_ioctl(KVMState *s, int type, ...); 2359c17d615SPaolo Bonzini 2369c17d615SPaolo Bonzini int kvm_vm_ioctl(KVMState *s, int type, ...); 2379c17d615SPaolo Bonzini 238501a7ce7SAndreas Färber int kvm_vcpu_ioctl(CPUState *cpu, int type, ...); 2399c17d615SPaolo Bonzini 2400a6a7ccaSChristoffer Dall /** 2410a6a7ccaSChristoffer Dall * kvm_device_ioctl - call an ioctl on a kvm device 2420a6a7ccaSChristoffer Dall * @fd: The KVM device file descriptor as returned from KVM_CREATE_DEVICE 2430a6a7ccaSChristoffer Dall * @type: The device-ctrl ioctl number 2440a6a7ccaSChristoffer Dall * 2450a6a7ccaSChristoffer Dall * Returns: -errno on error, nonnegative on success 2460a6a7ccaSChristoffer Dall */ 2470a6a7ccaSChristoffer Dall int kvm_device_ioctl(int fd, int type, ...); 2480a6a7ccaSChristoffer Dall 2490a6a7ccaSChristoffer Dall /** 250d0a073a1SDominik Dingel * kvm_vm_check_attr - check for existence of a specific vm attribute 251d0a073a1SDominik Dingel * @s: The KVMState pointer 252d0a073a1SDominik Dingel * @group: the group 253d0a073a1SDominik Dingel * @attr: the attribute of that group to query for 254d0a073a1SDominik Dingel * 255d0a073a1SDominik Dingel * Returns: 1 if the attribute exists 256d0a073a1SDominik Dingel * 0 if the attribute either does not exist or if the vm device 257d0a073a1SDominik Dingel * interface is unavailable 258d0a073a1SDominik Dingel */ 259d0a073a1SDominik Dingel int kvm_vm_check_attr(KVMState *s, uint32_t group, uint64_t attr); 260d0a073a1SDominik Dingel 261d0a073a1SDominik Dingel /** 2624b3cfe72SPavel Fedin * kvm_device_check_attr - check for existence of a specific device attribute 2634b3cfe72SPavel Fedin * @fd: The device file descriptor 2644b3cfe72SPavel Fedin * @group: the group 2654b3cfe72SPavel Fedin * @attr: the attribute of that group to query for 2664b3cfe72SPavel Fedin * 2674b3cfe72SPavel Fedin * Returns: 1 if the attribute exists 2684b3cfe72SPavel Fedin * 0 if the attribute either does not exist or if the vm device 2694b3cfe72SPavel Fedin * interface is unavailable 2704b3cfe72SPavel Fedin */ 2714b3cfe72SPavel Fedin int kvm_device_check_attr(int fd, uint32_t group, uint64_t attr); 2724b3cfe72SPavel Fedin 2734b3cfe72SPavel Fedin /** 2744b3cfe72SPavel Fedin * kvm_device_access - set or get value of a specific vm attribute 2754b3cfe72SPavel Fedin * @fd: The device file descriptor 2764b3cfe72SPavel Fedin * @group: the group 2774b3cfe72SPavel Fedin * @attr: the attribute of that group to set or get 2784b3cfe72SPavel Fedin * @val: pointer to a storage area for the value 2794b3cfe72SPavel Fedin * @write: true for set and false for get operation 2804b3cfe72SPavel Fedin * 2814b3cfe72SPavel Fedin * This function is not allowed to fail. Use kvm_device_check_attr() 2824b3cfe72SPavel Fedin * in order to check for the availability of optional attributes. 2834b3cfe72SPavel Fedin */ 2844b3cfe72SPavel Fedin void kvm_device_access(int fd, int group, uint64_t attr, 2854b3cfe72SPavel Fedin void *val, bool write); 2864b3cfe72SPavel Fedin 2874b3cfe72SPavel Fedin /** 2880a6a7ccaSChristoffer Dall * kvm_create_device - create a KVM device for the device control API 2890a6a7ccaSChristoffer Dall * @KVMState: The KVMState pointer 2900a6a7ccaSChristoffer Dall * @type: The KVM device type (see Documentation/virtual/kvm/devices in the 2910a6a7ccaSChristoffer Dall * kernel source) 2920a6a7ccaSChristoffer Dall * @test: If true, only test if device can be created, but don't actually 2930a6a7ccaSChristoffer Dall * create the device. 2940a6a7ccaSChristoffer Dall * 2950a6a7ccaSChristoffer Dall * Returns: -errno on error, nonnegative on success: @test ? 0 : device fd; 2960a6a7ccaSChristoffer Dall */ 2970a6a7ccaSChristoffer Dall int kvm_create_device(KVMState *s, uint64_t type, bool test); 2980a6a7ccaSChristoffer Dall 2990a6a7ccaSChristoffer Dall 3009c17d615SPaolo Bonzini /* Arch specific hooks */ 3019c17d615SPaolo Bonzini 3029c17d615SPaolo Bonzini extern const KVMCapabilityInfo kvm_arch_required_capabilities[]; 3039c17d615SPaolo Bonzini 304501a7ce7SAndreas Färber void kvm_arch_pre_run(CPUState *cpu, struct kvm_run *run); 3054c663752SPaolo Bonzini MemTxAttrs kvm_arch_post_run(CPUState *cpu, struct kvm_run *run); 3069c17d615SPaolo Bonzini 307501a7ce7SAndreas Färber int kvm_arch_handle_exit(CPUState *cpu, struct kvm_run *run); 3089c17d615SPaolo Bonzini 309501a7ce7SAndreas Färber int kvm_arch_process_async_events(CPUState *cpu); 3109c17d615SPaolo Bonzini 311501a7ce7SAndreas Färber int kvm_arch_get_registers(CPUState *cpu); 3129c17d615SPaolo Bonzini 3139c17d615SPaolo Bonzini /* state subset only touched by the VCPU itself during runtime */ 3149c17d615SPaolo Bonzini #define KVM_PUT_RUNTIME_STATE 1 3159c17d615SPaolo Bonzini /* state subset modified during VCPU reset */ 3169c17d615SPaolo Bonzini #define KVM_PUT_RESET_STATE 2 3179c17d615SPaolo Bonzini /* full state set, modified during initialization or on vmload */ 3189c17d615SPaolo Bonzini #define KVM_PUT_FULL_STATE 3 3199c17d615SPaolo Bonzini 320501a7ce7SAndreas Färber int kvm_arch_put_registers(CPUState *cpu, int level); 3219c17d615SPaolo Bonzini 322b16565b3SMarcel Apfelbaum int kvm_arch_init(MachineState *ms, KVMState *s); 3239c17d615SPaolo Bonzini 324501a7ce7SAndreas Färber int kvm_arch_init_vcpu(CPUState *cpu); 3259c17d615SPaolo Bonzini 326b164e48eSEduardo Habkost /* Returns VCPU ID to be used on KVM_CREATE_VCPU ioctl() */ 327b164e48eSEduardo Habkost unsigned long kvm_arch_vcpu_id(CPUState *cpu); 328b164e48eSEduardo Habkost 329501a7ce7SAndreas Färber int kvm_arch_on_sigbus_vcpu(CPUState *cpu, int code, void *addr); 3309c17d615SPaolo Bonzini int kvm_arch_on_sigbus(int code, void *addr); 3319c17d615SPaolo Bonzini 3329c17d615SPaolo Bonzini void kvm_arch_init_irq_routing(KVMState *s); 3339c17d615SPaolo Bonzini 3349e03a040SFrank Blaschka int kvm_arch_fixup_msi_route(struct kvm_irq_routing_entry *route, 335dc9f06caSPavel Fedin uint64_t address, uint32_t data, PCIDevice *dev); 3369e03a040SFrank Blaschka 3371850b6b7SEric Auger int kvm_arch_msi_data_to_gsi(uint32_t data); 3381850b6b7SEric Auger 3399c17d615SPaolo Bonzini int kvm_set_irq(KVMState *s, int irq, int level); 3409c17d615SPaolo Bonzini int kvm_irqchip_send_msi(KVMState *s, MSIMessage msg); 3419c17d615SPaolo Bonzini 3429c17d615SPaolo Bonzini void kvm_irqchip_add_irq_route(KVMState *s, int gsi, int irqchip, int pin); 343cb925cf9SAlexander Graf void kvm_irqchip_commit_routes(KVMState *s); 3449c17d615SPaolo Bonzini 3459c17d615SPaolo Bonzini void kvm_put_apic_state(DeviceState *d, struct kvm_lapic_state *kapic); 3469c17d615SPaolo Bonzini void kvm_get_apic_state(DeviceState *d, struct kvm_lapic_state *kapic); 3479c17d615SPaolo Bonzini 3489c17d615SPaolo Bonzini struct kvm_guest_debug; 3499c17d615SPaolo Bonzini struct kvm_debug_exit_arch; 3509c17d615SPaolo Bonzini 3519c17d615SPaolo Bonzini struct kvm_sw_breakpoint { 3529c17d615SPaolo Bonzini target_ulong pc; 3539c17d615SPaolo Bonzini target_ulong saved_insn; 3549c17d615SPaolo Bonzini int use_count; 3559c17d615SPaolo Bonzini QTAILQ_ENTRY(kvm_sw_breakpoint) entry; 3569c17d615SPaolo Bonzini }; 3579c17d615SPaolo Bonzini 3589c17d615SPaolo Bonzini QTAILQ_HEAD(kvm_sw_breakpoint_head, kvm_sw_breakpoint); 3599c17d615SPaolo Bonzini 360501a7ce7SAndreas Färber struct kvm_sw_breakpoint *kvm_find_sw_breakpoint(CPUState *cpu, 3619c17d615SPaolo Bonzini target_ulong pc); 3629c17d615SPaolo Bonzini 363501a7ce7SAndreas Färber int kvm_sw_breakpoints_active(CPUState *cpu); 3649c17d615SPaolo Bonzini 36580b7cd73SAndreas Färber int kvm_arch_insert_sw_breakpoint(CPUState *cpu, 3669c17d615SPaolo Bonzini struct kvm_sw_breakpoint *bp); 36780b7cd73SAndreas Färber int kvm_arch_remove_sw_breakpoint(CPUState *cpu, 3689c17d615SPaolo Bonzini struct kvm_sw_breakpoint *bp); 3699c17d615SPaolo Bonzini int kvm_arch_insert_hw_breakpoint(target_ulong addr, 3709c17d615SPaolo Bonzini target_ulong len, int type); 3719c17d615SPaolo Bonzini int kvm_arch_remove_hw_breakpoint(target_ulong addr, 3729c17d615SPaolo Bonzini target_ulong len, int type); 3739c17d615SPaolo Bonzini void kvm_arch_remove_all_hw_breakpoints(void); 3749c17d615SPaolo Bonzini 375501a7ce7SAndreas Färber void kvm_arch_update_guest_debug(CPUState *cpu, struct kvm_guest_debug *dbg); 3769c17d615SPaolo Bonzini 377501a7ce7SAndreas Färber bool kvm_arch_stop_on_emulation_error(CPUState *cpu); 3789c17d615SPaolo Bonzini 3799c17d615SPaolo Bonzini int kvm_check_extension(KVMState *s, unsigned int extension); 3809c17d615SPaolo Bonzini 3817d0a07faSAlexander Graf int kvm_vm_check_extension(KVMState *s, unsigned int extension); 3827d0a07faSAlexander Graf 38340f1ee27SCornelia Huck #define kvm_vm_enable_cap(s, capability, cap_flags, ...) \ 38440f1ee27SCornelia Huck ({ \ 38540f1ee27SCornelia Huck struct kvm_enable_cap cap = { \ 38640f1ee27SCornelia Huck .cap = capability, \ 38740f1ee27SCornelia Huck .flags = cap_flags, \ 38840f1ee27SCornelia Huck }; \ 38940f1ee27SCornelia Huck uint64_t args_tmp[] = { __VA_ARGS__ }; \ 39040f1ee27SCornelia Huck int i; \ 39161c7bbd2SAlexander Graf for (i = 0; i < (int)ARRAY_SIZE(args_tmp) && \ 39240f1ee27SCornelia Huck i < ARRAY_SIZE(cap.args); i++) { \ 39340f1ee27SCornelia Huck cap.args[i] = args_tmp[i]; \ 39440f1ee27SCornelia Huck } \ 39540f1ee27SCornelia Huck kvm_vm_ioctl(s, KVM_ENABLE_CAP, &cap); \ 39640f1ee27SCornelia Huck }) 39740f1ee27SCornelia Huck 39840f1ee27SCornelia Huck #define kvm_vcpu_enable_cap(cpu, capability, cap_flags, ...) \ 39940f1ee27SCornelia Huck ({ \ 40040f1ee27SCornelia Huck struct kvm_enable_cap cap = { \ 40140f1ee27SCornelia Huck .cap = capability, \ 40240f1ee27SCornelia Huck .flags = cap_flags, \ 40340f1ee27SCornelia Huck }; \ 40440f1ee27SCornelia Huck uint64_t args_tmp[] = { __VA_ARGS__ }; \ 40540f1ee27SCornelia Huck int i; \ 40661c7bbd2SAlexander Graf for (i = 0; i < (int)ARRAY_SIZE(args_tmp) && \ 40740f1ee27SCornelia Huck i < ARRAY_SIZE(cap.args); i++) { \ 40840f1ee27SCornelia Huck cap.args[i] = args_tmp[i]; \ 40940f1ee27SCornelia Huck } \ 41040f1ee27SCornelia Huck kvm_vcpu_ioctl(cpu, KVM_ENABLE_CAP, &cap); \ 41140f1ee27SCornelia Huck }) 41240f1ee27SCornelia Huck 4139c17d615SPaolo Bonzini uint32_t kvm_arch_get_supported_cpuid(KVMState *env, uint32_t function, 4149c17d615SPaolo Bonzini uint32_t index, int reg); 41597577fd4SJames Hogan 416aed6efb9SJames Hogan void kvm_set_sigmask_len(KVMState *s, unsigned int sigmask_len); 417aed6efb9SJames Hogan 41897577fd4SJames Hogan #if !defined(CONFIG_USER_ONLY) 41997577fd4SJames Hogan int kvm_physical_memory_addr_from_host(KVMState *s, void *ram_addr, 42097577fd4SJames Hogan hwaddr *phys_addr); 42197577fd4SJames Hogan #endif 42297577fd4SJames Hogan 42397577fd4SJames Hogan #endif /* NEED_CPU_H */ 42497577fd4SJames Hogan 425dd1750d7SAndreas Färber void kvm_cpu_synchronize_state(CPUState *cpu); 42697577fd4SJames Hogan void kvm_cpu_synchronize_post_reset(CPUState *cpu); 42797577fd4SJames Hogan void kvm_cpu_synchronize_post_init(CPUState *cpu); 4289c17d615SPaolo Bonzini 4299c17d615SPaolo Bonzini /* generic hooks - to be moved/refactored once there are more users */ 4309c17d615SPaolo Bonzini 431cb446ecaSAndreas Färber static inline void cpu_synchronize_state(CPUState *cpu) 4329c17d615SPaolo Bonzini { 4339c17d615SPaolo Bonzini if (kvm_enabled()) { 434cb446ecaSAndreas Färber kvm_cpu_synchronize_state(cpu); 4359c17d615SPaolo Bonzini } 4369c17d615SPaolo Bonzini } 4379c17d615SPaolo Bonzini 4383f24a58fSIgor Mammedov static inline void cpu_synchronize_post_reset(CPUState *cpu) 4399c17d615SPaolo Bonzini { 4409c17d615SPaolo Bonzini if (kvm_enabled()) { 4413f24a58fSIgor Mammedov kvm_cpu_synchronize_post_reset(cpu); 4429c17d615SPaolo Bonzini } 4439c17d615SPaolo Bonzini } 4449c17d615SPaolo Bonzini 4453f24a58fSIgor Mammedov static inline void cpu_synchronize_post_init(CPUState *cpu) 4469c17d615SPaolo Bonzini { 4479c17d615SPaolo Bonzini if (kvm_enabled()) { 4483f24a58fSIgor Mammedov kvm_cpu_synchronize_post_init(cpu); 4499c17d615SPaolo Bonzini } 4509c17d615SPaolo Bonzini } 4519c17d615SPaolo Bonzini 452dc9f06caSPavel Fedin int kvm_irqchip_add_msi_route(KVMState *s, MSIMessage msg, PCIDevice *dev); 453dc9f06caSPavel Fedin int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg, 454dc9f06caSPavel Fedin PCIDevice *dev); 4559c17d615SPaolo Bonzini void kvm_irqchip_release_virq(KVMState *s, int virq); 4569c17d615SPaolo Bonzini 457d426d9fbSCornelia Huck int kvm_irqchip_add_adapter_route(KVMState *s, AdapterInfo *adapter); 458*977a8d9cSAndrey Smetanin int kvm_irqchip_add_hv_sint_route(KVMState *s, uint32_t vcpu, uint32_t sint); 459d426d9fbSCornelia Huck 4601c9b71a7SEric Auger int kvm_irqchip_add_irqfd_notifier_gsi(KVMState *s, EventNotifier *n, 461ca916d37SVincenzo Maffione EventNotifier *rn, int virq); 4621c9b71a7SEric Auger int kvm_irqchip_remove_irqfd_notifier_gsi(KVMState *s, EventNotifier *n, 4631c9b71a7SEric Auger int virq); 464197e3524SEric Auger int kvm_irqchip_add_irqfd_notifier(KVMState *s, EventNotifier *n, 465197e3524SEric Auger EventNotifier *rn, qemu_irq irq); 466197e3524SEric Auger int kvm_irqchip_remove_irqfd_notifier(KVMState *s, EventNotifier *n, 467197e3524SEric Auger qemu_irq irq); 468197e3524SEric Auger void kvm_irqchip_set_qemuirq_gsi(KVMState *s, qemu_irq irq, int gsi); 4699c17d615SPaolo Bonzini void kvm_pc_gsi_handler(void *opaque, int n, int level); 4709c17d615SPaolo Bonzini void kvm_pc_setup_irq_routing(bool pci_enabled); 4717b774593SAlexander Graf void kvm_init_irq_routing(KVMState *s); 472d6032e06SChristoffer Dall 473d6032e06SChristoffer Dall /** 474d6032e06SChristoffer Dall * kvm_arch_irqchip_create: 475d6032e06SChristoffer Dall * @KVMState: The KVMState pointer 476d6032e06SChristoffer Dall * 477d6032e06SChristoffer Dall * Allow architectures to create an in-kernel irq chip themselves. 478d6032e06SChristoffer Dall * 479d6032e06SChristoffer Dall * Returns: < 0: error 480d6032e06SChristoffer Dall * 0: irq chip was not created 481d6032e06SChristoffer Dall * > 0: irq chip was created 482d6032e06SChristoffer Dall */ 483d6032e06SChristoffer Dall int kvm_arch_irqchip_create(KVMState *s); 484ada4135fSCornelia Huck 485ada4135fSCornelia Huck /** 486ada4135fSCornelia Huck * kvm_set_one_reg - set a register value in KVM via KVM_SET_ONE_REG ioctl 487ada4135fSCornelia Huck * @id: The register ID 488ada4135fSCornelia Huck * @source: The pointer to the value to be set. It must point to a variable 489ada4135fSCornelia Huck * of the correct type/size for the register being accessed. 490ada4135fSCornelia Huck * 491ada4135fSCornelia Huck * Returns: 0 on success, or a negative errno on failure. 492ada4135fSCornelia Huck */ 493ada4135fSCornelia Huck int kvm_set_one_reg(CPUState *cs, uint64_t id, void *source); 494ada4135fSCornelia Huck 495ada4135fSCornelia Huck /** 496ada4135fSCornelia Huck * kvm_get_one_reg - get a register value from KVM via KVM_GET_ONE_REG ioctl 497ada4135fSCornelia Huck * @id: The register ID 498ada4135fSCornelia Huck * @target: The pointer where the value is to be stored. It must point to a 499ada4135fSCornelia Huck * variable of the correct type/size for the register being accessed. 500ada4135fSCornelia Huck * 501ada4135fSCornelia Huck * Returns: 0 on success, or a negative errno on failure. 502ada4135fSCornelia Huck */ 503ada4135fSCornelia Huck int kvm_get_one_reg(CPUState *cs, uint64_t id, void *target); 5049c17d615SPaolo Bonzini #endif 505