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 "qemu/queue.h" 182e5b09fdSMarkus Armbruster #include "hw/core/cpu.h" 194c663752SPaolo Bonzini #include "exec/memattrs.h" 209c17d615SPaolo Bonzini 21cbca3722SThomas Huth #ifdef NEED_CPU_H 229c17d615SPaolo Bonzini # ifdef CONFIG_KVM 239c17d615SPaolo Bonzini # include <linux/kvm.h> 24cbca3722SThomas Huth # define CONFIG_KVM_IS_POSSIBLE 259c17d615SPaolo Bonzini # endif 26cbca3722SThomas Huth #else 27cbca3722SThomas Huth # define CONFIG_KVM_IS_POSSIBLE 28cbca3722SThomas Huth #endif 29cbca3722SThomas Huth 30cbca3722SThomas Huth #ifdef CONFIG_KVM_IS_POSSIBLE 319c17d615SPaolo Bonzini 32d5286af5Sliguang extern bool kvm_allowed; 339c17d615SPaolo Bonzini extern bool kvm_kernel_irqchip; 3432c18a2dSMatt Gingell extern bool kvm_split_irqchip; 359c17d615SPaolo Bonzini extern bool kvm_async_interrupts_allowed; 36215e79c0SAlexander Graf extern bool kvm_halt_in_kernel_allowed; 3769e03ae6SNikolay Nikolaev extern bool kvm_eventfds_allowed; 389c17d615SPaolo Bonzini extern bool kvm_irqfds_allowed; 39f41389aeSEric Auger extern bool kvm_resamplefds_allowed; 409c17d615SPaolo Bonzini extern bool kvm_msi_via_irqfd_allowed; 419c17d615SPaolo Bonzini extern bool kvm_gsi_routing_allowed; 4276fe21deSAlexey Kardashevskiy extern bool kvm_gsi_direct_mapping; 43df9c8b75SJordan Justen extern bool kvm_readonly_mem_allowed; 4450bf31b9SPavel Fedin extern bool kvm_direct_msi_allowed; 4535108223SJason Wang extern bool kvm_ioeventfd_any_length_allowed; 46767a554aSPavel Fedin extern bool kvm_msi_use_devid; 479c17d615SPaolo Bonzini 489c17d615SPaolo Bonzini #define kvm_enabled() (kvm_allowed) 499c17d615SPaolo Bonzini /** 509c17d615SPaolo Bonzini * kvm_irqchip_in_kernel: 519c17d615SPaolo Bonzini * 529c17d615SPaolo Bonzini * Returns: true if the user asked us to create an in-kernel 539c17d615SPaolo Bonzini * irqchip via the "kernel_irqchip=on" machine option. 549c17d615SPaolo Bonzini * What this actually means is architecture and machine model 559c17d615SPaolo Bonzini * specific: on PC, for instance, it means that the LAPIC, 569c17d615SPaolo Bonzini * IOAPIC and PIT are all in kernel. This function should never 579c17d615SPaolo Bonzini * be used from generic target-independent code: use one of the 589c17d615SPaolo Bonzini * following functions or some other specific check instead. 599c17d615SPaolo Bonzini */ 609c17d615SPaolo Bonzini #define kvm_irqchip_in_kernel() (kvm_kernel_irqchip) 619c17d615SPaolo Bonzini 629c17d615SPaolo Bonzini /** 6332c18a2dSMatt Gingell * kvm_irqchip_is_split: 6432c18a2dSMatt Gingell * 6532c18a2dSMatt Gingell * Returns: true if the user asked us to split the irqchip 6632c18a2dSMatt Gingell * implementation between user and kernel space. The details are 6732c18a2dSMatt Gingell * architecture and machine specific. On PC, it means that the PIC, 6832c18a2dSMatt Gingell * IOAPIC, and PIT are in user space while the LAPIC is in the kernel. 6932c18a2dSMatt Gingell */ 7032c18a2dSMatt Gingell #define kvm_irqchip_is_split() (kvm_split_irqchip) 7132c18a2dSMatt Gingell 7232c18a2dSMatt Gingell /** 739c17d615SPaolo Bonzini * kvm_async_interrupts_enabled: 749c17d615SPaolo Bonzini * 759c17d615SPaolo Bonzini * Returns: true if we can deliver interrupts to KVM 769c17d615SPaolo Bonzini * asynchronously (ie by ioctl from any thread at any time) 779c17d615SPaolo Bonzini * rather than having to do interrupt delivery synchronously 789c17d615SPaolo Bonzini * (where the vcpu must be stopped at a suitable point first). 799c17d615SPaolo Bonzini */ 809c17d615SPaolo Bonzini #define kvm_async_interrupts_enabled() (kvm_async_interrupts_allowed) 819c17d615SPaolo Bonzini 829c17d615SPaolo Bonzini /** 83215e79c0SAlexander Graf * kvm_halt_in_kernel 84215e79c0SAlexander Graf * 85215e79c0SAlexander Graf * Returns: true if halted cpus should still get a KVM_RUN ioctl to run 86215e79c0SAlexander Graf * inside of kernel space. This only works if MP state is implemented. 87215e79c0SAlexander Graf */ 88215e79c0SAlexander Graf #define kvm_halt_in_kernel() (kvm_halt_in_kernel_allowed) 89215e79c0SAlexander Graf 90215e79c0SAlexander Graf /** 9169e03ae6SNikolay Nikolaev * kvm_eventfds_enabled: 9269e03ae6SNikolay Nikolaev * 9369e03ae6SNikolay Nikolaev * Returns: true if we can use eventfds to receive notifications 9469e03ae6SNikolay Nikolaev * from a KVM CPU (ie the kernel supports eventds and we are running 9569e03ae6SNikolay Nikolaev * with a configuration where it is meaningful to use them). 9669e03ae6SNikolay Nikolaev */ 9769e03ae6SNikolay Nikolaev #define kvm_eventfds_enabled() (kvm_eventfds_allowed) 9869e03ae6SNikolay Nikolaev 9969e03ae6SNikolay Nikolaev /** 1009c17d615SPaolo Bonzini * kvm_irqfds_enabled: 1019c17d615SPaolo Bonzini * 1029c17d615SPaolo Bonzini * Returns: true if we can use irqfds to inject interrupts into 1039c17d615SPaolo Bonzini * a KVM CPU (ie the kernel supports irqfds and we are running 1049c17d615SPaolo Bonzini * with a configuration where it is meaningful to use them). 1059c17d615SPaolo Bonzini */ 1069c17d615SPaolo Bonzini #define kvm_irqfds_enabled() (kvm_irqfds_allowed) 1079c17d615SPaolo Bonzini 1089c17d615SPaolo Bonzini /** 109f41389aeSEric Auger * kvm_resamplefds_enabled: 110f41389aeSEric Auger * 111f41389aeSEric Auger * Returns: true if we can use resamplefds to inject interrupts into 112f41389aeSEric Auger * a KVM CPU (ie the kernel supports resamplefds and we are running 113f41389aeSEric Auger * with a configuration where it is meaningful to use them). 114f41389aeSEric Auger */ 115f41389aeSEric Auger #define kvm_resamplefds_enabled() (kvm_resamplefds_allowed) 116f41389aeSEric Auger 117f41389aeSEric Auger /** 1189c17d615SPaolo Bonzini * kvm_msi_via_irqfd_enabled: 1199c17d615SPaolo Bonzini * 1209c17d615SPaolo Bonzini * Returns: true if we can route a PCI MSI (Message Signaled Interrupt) 1219c17d615SPaolo Bonzini * to a KVM CPU via an irqfd. This requires that the kernel supports 1229c17d615SPaolo Bonzini * this and that we're running in a configuration that permits it. 1239c17d615SPaolo Bonzini */ 1249c17d615SPaolo Bonzini #define kvm_msi_via_irqfd_enabled() (kvm_msi_via_irqfd_allowed) 1259c17d615SPaolo Bonzini 1269c17d615SPaolo Bonzini /** 1279c17d615SPaolo Bonzini * kvm_gsi_routing_enabled: 1289c17d615SPaolo Bonzini * 1299c17d615SPaolo Bonzini * Returns: true if GSI routing is enabled (ie the kernel supports 1309c17d615SPaolo Bonzini * it and we're running in a configuration that permits it). 1319c17d615SPaolo Bonzini */ 1329c17d615SPaolo Bonzini #define kvm_gsi_routing_enabled() (kvm_gsi_routing_allowed) 1339c17d615SPaolo Bonzini 134df9c8b75SJordan Justen /** 13576fe21deSAlexey Kardashevskiy * kvm_gsi_direct_mapping: 13676fe21deSAlexey Kardashevskiy * 13776fe21deSAlexey Kardashevskiy * Returns: true if GSI direct mapping is enabled. 13876fe21deSAlexey Kardashevskiy */ 13976fe21deSAlexey Kardashevskiy #define kvm_gsi_direct_mapping() (kvm_gsi_direct_mapping) 14076fe21deSAlexey Kardashevskiy 14176fe21deSAlexey Kardashevskiy /** 142df9c8b75SJordan Justen * kvm_readonly_mem_enabled: 143df9c8b75SJordan Justen * 144df9c8b75SJordan Justen * Returns: true if KVM readonly memory is enabled (ie the kernel 145df9c8b75SJordan Justen * supports it and we're running in a configuration that permits it). 146df9c8b75SJordan Justen */ 147df9c8b75SJordan Justen #define kvm_readonly_mem_enabled() (kvm_readonly_mem_allowed) 148df9c8b75SJordan Justen 14950bf31b9SPavel Fedin /** 15050bf31b9SPavel Fedin * kvm_direct_msi_enabled: 15150bf31b9SPavel Fedin * 15250bf31b9SPavel Fedin * Returns: true if KVM allows direct MSI injection. 15350bf31b9SPavel Fedin */ 15450bf31b9SPavel Fedin #define kvm_direct_msi_enabled() (kvm_direct_msi_allowed) 15550bf31b9SPavel Fedin 15635108223SJason Wang /** 15735108223SJason Wang * kvm_ioeventfd_any_length_enabled: 15835108223SJason Wang * Returns: true if KVM allows any length io eventfd. 15935108223SJason Wang */ 16035108223SJason Wang #define kvm_ioeventfd_any_length_enabled() (kvm_ioeventfd_any_length_allowed) 16135108223SJason Wang 162767a554aSPavel Fedin /** 163767a554aSPavel Fedin * kvm_msi_devid_required: 164767a554aSPavel Fedin * Returns: true if KVM requires a device id to be provided while 165767a554aSPavel Fedin * defining an MSI routing entry. 166767a554aSPavel Fedin */ 167767a554aSPavel Fedin #define kvm_msi_devid_required() (kvm_msi_use_devid) 168767a554aSPavel Fedin 1699c17d615SPaolo Bonzini #else 170cbca3722SThomas Huth 1719c17d615SPaolo Bonzini #define kvm_enabled() (0) 1729c17d615SPaolo Bonzini #define kvm_irqchip_in_kernel() (false) 17315eafc2eSPaolo Bonzini #define kvm_irqchip_is_split() (false) 1749c17d615SPaolo Bonzini #define kvm_async_interrupts_enabled() (false) 175215e79c0SAlexander Graf #define kvm_halt_in_kernel() (false) 17669e03ae6SNikolay Nikolaev #define kvm_eventfds_enabled() (false) 1779c17d615SPaolo Bonzini #define kvm_irqfds_enabled() (false) 178879904e8SEric Auger #define kvm_resamplefds_enabled() (false) 1799c17d615SPaolo Bonzini #define kvm_msi_via_irqfd_enabled() (false) 1809c17d615SPaolo Bonzini #define kvm_gsi_routing_allowed() (false) 18176fe21deSAlexey Kardashevskiy #define kvm_gsi_direct_mapping() (false) 182df9c8b75SJordan Justen #define kvm_readonly_mem_enabled() (false) 18350bf31b9SPavel Fedin #define kvm_direct_msi_enabled() (false) 18435108223SJason Wang #define kvm_ioeventfd_any_length_enabled() (false) 185767a554aSPavel Fedin #define kvm_msi_devid_required() (false) 186cbca3722SThomas Huth 187cbca3722SThomas Huth #endif /* CONFIG_KVM_IS_POSSIBLE */ 1889c17d615SPaolo Bonzini 1899c17d615SPaolo Bonzini struct kvm_run; 1909c17d615SPaolo Bonzini struct kvm_lapic_state; 1919e03a040SFrank Blaschka struct kvm_irq_routing_entry; 1929c17d615SPaolo Bonzini 1939c17d615SPaolo Bonzini typedef struct KVMCapabilityInfo { 1949c17d615SPaolo Bonzini const char *name; 1959c17d615SPaolo Bonzini int value; 1969c17d615SPaolo Bonzini } KVMCapabilityInfo; 1979c17d615SPaolo Bonzini 1989c17d615SPaolo Bonzini #define KVM_CAP_INFO(CAP) { "KVM_CAP_" stringify(CAP), KVM_CAP_##CAP } 1999c17d615SPaolo Bonzini #define KVM_CAP_LAST_INFO { NULL, 0 } 2009c17d615SPaolo Bonzini 2019c17d615SPaolo Bonzini struct KVMState; 2029c17d615SPaolo Bonzini typedef struct KVMState KVMState; 2039c17d615SPaolo Bonzini extern KVMState *kvm_state; 204*3607715aSDavid Gibson typedef struct Notifier Notifier; 2059c17d615SPaolo Bonzini 2069c17d615SPaolo Bonzini /* external API */ 2079c17d615SPaolo Bonzini 208b8865591SIgor Mammedov bool kvm_has_free_slot(MachineState *ms); 20962dd4edaSGreg Kurz bool kvm_has_sync_mmu(void); 2109c17d615SPaolo Bonzini int kvm_has_vcpu_events(void); 2119c17d615SPaolo Bonzini int kvm_has_robust_singlestep(void); 2129c17d615SPaolo Bonzini int kvm_has_debugregs(void); 213ebbfef2fSLiran Alon int kvm_max_nested_state_length(void); 2149c17d615SPaolo Bonzini int kvm_has_pit_state2(void); 2159c17d615SPaolo Bonzini int kvm_has_many_ioeventfds(void); 2169c17d615SPaolo Bonzini int kvm_has_gsi_routing(void); 2179c17d615SPaolo Bonzini int kvm_has_intx_set_mask(void); 2189c17d615SPaolo Bonzini 219504134d2SAndreas Färber int kvm_init_vcpu(CPUState *cpu); 2201458c363SAndreas Färber int kvm_cpu_exec(CPUState *cpu); 2214c055ab5SGu Zheng int kvm_destroy_vcpu(CPUState *cpu); 2229c17d615SPaolo Bonzini 2235d721b78SAlexander Graf /** 2245d721b78SAlexander Graf * kvm_arm_supports_user_irq 2255d721b78SAlexander Graf * 2265d721b78SAlexander Graf * Not all KVM implementations support notifications for kernel generated 2275d721b78SAlexander Graf * interrupt events to user space. This function indicates whether the current 2285d721b78SAlexander Graf * KVM implementation does support them. 2295d721b78SAlexander Graf * 2305d721b78SAlexander Graf * Returns: true if KVM supports using kernel generated IRQs from user space 2315d721b78SAlexander Graf */ 2325d721b78SAlexander Graf bool kvm_arm_supports_user_irq(void); 2335d721b78SAlexander Graf 234b20e3780SBrijesh Singh /** 235b20e3780SBrijesh Singh * kvm_memcrypt_enabled - return boolean indicating whether memory encryption 236b20e3780SBrijesh Singh * is enabled 237b20e3780SBrijesh Singh * Returns: 1 memory encryption is enabled 238b20e3780SBrijesh Singh * 0 memory encryption is disabled 239b20e3780SBrijesh Singh */ 240b20e3780SBrijesh Singh bool kvm_memcrypt_enabled(void); 241b20e3780SBrijesh Singh 24254e89539SBrijesh Singh /** 24354e89539SBrijesh Singh * kvm_memcrypt_encrypt_data: encrypt the memory range 24454e89539SBrijesh Singh * 24554e89539SBrijesh Singh * Return: 1 failed to encrypt the range 24654e89539SBrijesh Singh * 0 succesfully encrypted memory region 24754e89539SBrijesh Singh */ 24854e89539SBrijesh Singh int kvm_memcrypt_encrypt_data(uint8_t *ptr, uint64_t len); 24954e89539SBrijesh Singh 250b20e3780SBrijesh Singh 251504134d2SAndreas Färber #ifdef NEED_CPU_H 25233c11879SPaolo Bonzini #include "cpu.h" 2539c17d615SPaolo Bonzini 254c4cfef5eSIgor Mammedov void kvm_flush_coalesced_mmio_buffer(void); 255c4cfef5eSIgor Mammedov 25662278814SAndreas Färber int kvm_insert_breakpoint(CPUState *cpu, target_ulong addr, 2579c17d615SPaolo Bonzini target_ulong len, int type); 25862278814SAndreas Färber int kvm_remove_breakpoint(CPUState *cpu, target_ulong addr, 2599c17d615SPaolo Bonzini target_ulong len, int type); 2601d5791f4SAndreas Färber void kvm_remove_all_breakpoints(CPUState *cpu); 26138e478ecSStefan Weil int kvm_update_guest_debug(CPUState *cpu, unsigned long reinject_trap); 2629c17d615SPaolo Bonzini 263290adf38SAndreas Färber int kvm_on_sigbus_vcpu(CPUState *cpu, int code, void *addr); 2649c17d615SPaolo Bonzini int kvm_on_sigbus(int code, void *addr); 2659c17d615SPaolo Bonzini 26688401cbcSPaolo Bonzini /* interface with exec.c */ 26788401cbcSPaolo Bonzini 26806329cceSMarcel Apfelbaum void phys_mem_set_alloc(void *(*alloc)(size_t, uint64_t *align, bool shared)); 26988401cbcSPaolo Bonzini 2709c17d615SPaolo Bonzini /* internal API */ 2719c17d615SPaolo Bonzini 2729c17d615SPaolo Bonzini int kvm_ioctl(KVMState *s, int type, ...); 2739c17d615SPaolo Bonzini 2749c17d615SPaolo Bonzini int kvm_vm_ioctl(KVMState *s, int type, ...); 2759c17d615SPaolo Bonzini 276501a7ce7SAndreas Färber int kvm_vcpu_ioctl(CPUState *cpu, int type, ...); 2779c17d615SPaolo Bonzini 2780a6a7ccaSChristoffer Dall /** 2790a6a7ccaSChristoffer Dall * kvm_device_ioctl - call an ioctl on a kvm device 2800a6a7ccaSChristoffer Dall * @fd: The KVM device file descriptor as returned from KVM_CREATE_DEVICE 2810a6a7ccaSChristoffer Dall * @type: The device-ctrl ioctl number 2820a6a7ccaSChristoffer Dall * 2830a6a7ccaSChristoffer Dall * Returns: -errno on error, nonnegative on success 2840a6a7ccaSChristoffer Dall */ 2850a6a7ccaSChristoffer Dall int kvm_device_ioctl(int fd, int type, ...); 2860a6a7ccaSChristoffer Dall 2870a6a7ccaSChristoffer Dall /** 288d0a073a1SDominik Dingel * kvm_vm_check_attr - check for existence of a specific vm attribute 289d0a073a1SDominik Dingel * @s: The KVMState pointer 290d0a073a1SDominik Dingel * @group: the group 291d0a073a1SDominik Dingel * @attr: the attribute of that group to query for 292d0a073a1SDominik Dingel * 293d0a073a1SDominik Dingel * Returns: 1 if the attribute exists 294d0a073a1SDominik Dingel * 0 if the attribute either does not exist or if the vm device 295d0a073a1SDominik Dingel * interface is unavailable 296d0a073a1SDominik Dingel */ 297d0a073a1SDominik Dingel int kvm_vm_check_attr(KVMState *s, uint32_t group, uint64_t attr); 298d0a073a1SDominik Dingel 299d0a073a1SDominik Dingel /** 3004b3cfe72SPavel Fedin * kvm_device_check_attr - check for existence of a specific device attribute 3014b3cfe72SPavel Fedin * @fd: The device file descriptor 3024b3cfe72SPavel Fedin * @group: the group 3034b3cfe72SPavel Fedin * @attr: the attribute of that group to query for 3044b3cfe72SPavel Fedin * 3054b3cfe72SPavel Fedin * Returns: 1 if the attribute exists 3064b3cfe72SPavel Fedin * 0 if the attribute either does not exist or if the vm device 3074b3cfe72SPavel Fedin * interface is unavailable 3084b3cfe72SPavel Fedin */ 3094b3cfe72SPavel Fedin int kvm_device_check_attr(int fd, uint32_t group, uint64_t attr); 3104b3cfe72SPavel Fedin 3114b3cfe72SPavel Fedin /** 31284b6ea05SGreg Kurz * kvm_device_access - set or get value of a specific device attribute 3134b3cfe72SPavel Fedin * @fd: The device file descriptor 3144b3cfe72SPavel Fedin * @group: the group 3154b3cfe72SPavel Fedin * @attr: the attribute of that group to set or get 3164b3cfe72SPavel Fedin * @val: pointer to a storage area for the value 3174b3cfe72SPavel Fedin * @write: true for set and false for get operation 318556969e9SEric Auger * @errp: error object handle 3194b3cfe72SPavel Fedin * 320556969e9SEric Auger * Returns: 0 on success 321556969e9SEric Auger * < 0 on error 322556969e9SEric Auger * Use kvm_device_check_attr() in order to check for the availability 323556969e9SEric Auger * of optional attributes. 3244b3cfe72SPavel Fedin */ 325556969e9SEric Auger int kvm_device_access(int fd, int group, uint64_t attr, 326556969e9SEric Auger void *val, bool write, Error **errp); 3274b3cfe72SPavel Fedin 3284b3cfe72SPavel Fedin /** 3290a6a7ccaSChristoffer Dall * kvm_create_device - create a KVM device for the device control API 3300a6a7ccaSChristoffer Dall * @KVMState: The KVMState pointer 3310a6a7ccaSChristoffer Dall * @type: The KVM device type (see Documentation/virtual/kvm/devices in the 3320a6a7ccaSChristoffer Dall * kernel source) 3330a6a7ccaSChristoffer Dall * @test: If true, only test if device can be created, but don't actually 3340a6a7ccaSChristoffer Dall * create the device. 3350a6a7ccaSChristoffer Dall * 3360a6a7ccaSChristoffer Dall * Returns: -errno on error, nonnegative on success: @test ? 0 : device fd; 3370a6a7ccaSChristoffer Dall */ 3380a6a7ccaSChristoffer Dall int kvm_create_device(KVMState *s, uint64_t type, bool test); 3390a6a7ccaSChristoffer Dall 34029039acfSPeter Xu /** 34129039acfSPeter Xu * kvm_device_supported - probe whether KVM supports specific device 34229039acfSPeter Xu * 34329039acfSPeter Xu * @vmfd: The fd handler for VM 34429039acfSPeter Xu * @type: type of device 34529039acfSPeter Xu * 34629039acfSPeter Xu * @return: true if supported, otherwise false. 34729039acfSPeter Xu */ 34829039acfSPeter Xu bool kvm_device_supported(int vmfd, uint64_t type); 3490a6a7ccaSChristoffer Dall 3509c17d615SPaolo Bonzini /* Arch specific hooks */ 3519c17d615SPaolo Bonzini 3529c17d615SPaolo Bonzini extern const KVMCapabilityInfo kvm_arch_required_capabilities[]; 3539c17d615SPaolo Bonzini 354501a7ce7SAndreas Färber void kvm_arch_pre_run(CPUState *cpu, struct kvm_run *run); 3554c663752SPaolo Bonzini MemTxAttrs kvm_arch_post_run(CPUState *cpu, struct kvm_run *run); 3569c17d615SPaolo Bonzini 357501a7ce7SAndreas Färber int kvm_arch_handle_exit(CPUState *cpu, struct kvm_run *run); 3589c17d615SPaolo Bonzini 359501a7ce7SAndreas Färber int kvm_arch_process_async_events(CPUState *cpu); 3609c17d615SPaolo Bonzini 361501a7ce7SAndreas Färber int kvm_arch_get_registers(CPUState *cpu); 3629c17d615SPaolo Bonzini 3639c17d615SPaolo Bonzini /* state subset only touched by the VCPU itself during runtime */ 3649c17d615SPaolo Bonzini #define KVM_PUT_RUNTIME_STATE 1 3659c17d615SPaolo Bonzini /* state subset modified during VCPU reset */ 3669c17d615SPaolo Bonzini #define KVM_PUT_RESET_STATE 2 3679c17d615SPaolo Bonzini /* full state set, modified during initialization or on vmload */ 3689c17d615SPaolo Bonzini #define KVM_PUT_FULL_STATE 3 3699c17d615SPaolo Bonzini 370501a7ce7SAndreas Färber int kvm_arch_put_registers(CPUState *cpu, int level); 3719c17d615SPaolo Bonzini 372b16565b3SMarcel Apfelbaum int kvm_arch_init(MachineState *ms, KVMState *s); 3739c17d615SPaolo Bonzini 374501a7ce7SAndreas Färber int kvm_arch_init_vcpu(CPUState *cpu); 375b1115c99SLiran Alon int kvm_arch_destroy_vcpu(CPUState *cpu); 3769c17d615SPaolo Bonzini 37741264b38SGreg Kurz bool kvm_vcpu_id_is_valid(int vcpu_id); 37841264b38SGreg Kurz 379b164e48eSEduardo Habkost /* Returns VCPU ID to be used on KVM_CREATE_VCPU ioctl() */ 380b164e48eSEduardo Habkost unsigned long kvm_arch_vcpu_id(CPUState *cpu); 381b164e48eSEduardo Habkost 3822ae41db2SPaolo Bonzini #ifdef TARGET_I386 3832ae41db2SPaolo Bonzini #define KVM_HAVE_MCE_INJECTION 1 3842ae41db2SPaolo Bonzini void kvm_arch_on_sigbus_vcpu(CPUState *cpu, int code, void *addr); 3852ae41db2SPaolo Bonzini #endif 3869c17d615SPaolo Bonzini 3879c17d615SPaolo Bonzini void kvm_arch_init_irq_routing(KVMState *s); 3889c17d615SPaolo Bonzini 3899e03a040SFrank Blaschka int kvm_arch_fixup_msi_route(struct kvm_irq_routing_entry *route, 390dc9f06caSPavel Fedin uint64_t address, uint32_t data, PCIDevice *dev); 3919e03a040SFrank Blaschka 39238d87493SPeter Xu /* Notify arch about newly added MSI routes */ 39338d87493SPeter Xu int kvm_arch_add_msi_route_post(struct kvm_irq_routing_entry *route, 39438d87493SPeter Xu int vector, PCIDevice *dev); 39538d87493SPeter Xu /* Notify arch about released MSI routes */ 39638d87493SPeter Xu int kvm_arch_release_virq_post(int virq); 39738d87493SPeter Xu 3981850b6b7SEric Auger int kvm_arch_msi_data_to_gsi(uint32_t data); 3991850b6b7SEric Auger 4009c17d615SPaolo Bonzini int kvm_set_irq(KVMState *s, int irq, int level); 4019c17d615SPaolo Bonzini int kvm_irqchip_send_msi(KVMState *s, MSIMessage msg); 4029c17d615SPaolo Bonzini 4039c17d615SPaolo Bonzini void kvm_irqchip_add_irq_route(KVMState *s, int gsi, int irqchip, int pin); 4049c17d615SPaolo Bonzini 405*3607715aSDavid Gibson void kvm_irqchip_add_change_notifier(Notifier *n); 406*3607715aSDavid Gibson void kvm_irqchip_remove_change_notifier(Notifier *n); 407*3607715aSDavid Gibson void kvm_irqchip_change_notify(void); 408*3607715aSDavid Gibson 4099c17d615SPaolo Bonzini void kvm_get_apic_state(DeviceState *d, struct kvm_lapic_state *kapic); 4109c17d615SPaolo Bonzini 4119c17d615SPaolo Bonzini struct kvm_guest_debug; 4129c17d615SPaolo Bonzini struct kvm_debug_exit_arch; 4139c17d615SPaolo Bonzini 4149c17d615SPaolo Bonzini struct kvm_sw_breakpoint { 4159c17d615SPaolo Bonzini target_ulong pc; 4169c17d615SPaolo Bonzini target_ulong saved_insn; 4179c17d615SPaolo Bonzini int use_count; 4189c17d615SPaolo Bonzini QTAILQ_ENTRY(kvm_sw_breakpoint) entry; 4199c17d615SPaolo Bonzini }; 4209c17d615SPaolo Bonzini 421501a7ce7SAndreas Färber struct kvm_sw_breakpoint *kvm_find_sw_breakpoint(CPUState *cpu, 4229c17d615SPaolo Bonzini target_ulong pc); 4239c17d615SPaolo Bonzini 424501a7ce7SAndreas Färber int kvm_sw_breakpoints_active(CPUState *cpu); 4259c17d615SPaolo Bonzini 42680b7cd73SAndreas Färber int kvm_arch_insert_sw_breakpoint(CPUState *cpu, 4279c17d615SPaolo Bonzini struct kvm_sw_breakpoint *bp); 42880b7cd73SAndreas Färber int kvm_arch_remove_sw_breakpoint(CPUState *cpu, 4299c17d615SPaolo Bonzini struct kvm_sw_breakpoint *bp); 4309c17d615SPaolo Bonzini int kvm_arch_insert_hw_breakpoint(target_ulong addr, 4319c17d615SPaolo Bonzini target_ulong len, int type); 4329c17d615SPaolo Bonzini int kvm_arch_remove_hw_breakpoint(target_ulong addr, 4339c17d615SPaolo Bonzini target_ulong len, int type); 4349c17d615SPaolo Bonzini void kvm_arch_remove_all_hw_breakpoints(void); 4359c17d615SPaolo Bonzini 436501a7ce7SAndreas Färber void kvm_arch_update_guest_debug(CPUState *cpu, struct kvm_guest_debug *dbg); 4379c17d615SPaolo Bonzini 438501a7ce7SAndreas Färber bool kvm_arch_stop_on_emulation_error(CPUState *cpu); 4399c17d615SPaolo Bonzini 4409c17d615SPaolo Bonzini int kvm_check_extension(KVMState *s, unsigned int extension); 4419c17d615SPaolo Bonzini 4427d0a07faSAlexander Graf int kvm_vm_check_extension(KVMState *s, unsigned int extension); 4437d0a07faSAlexander Graf 44440f1ee27SCornelia Huck #define kvm_vm_enable_cap(s, capability, cap_flags, ...) \ 44540f1ee27SCornelia Huck ({ \ 44640f1ee27SCornelia Huck struct kvm_enable_cap cap = { \ 44740f1ee27SCornelia Huck .cap = capability, \ 44840f1ee27SCornelia Huck .flags = cap_flags, \ 44940f1ee27SCornelia Huck }; \ 45040f1ee27SCornelia Huck uint64_t args_tmp[] = { __VA_ARGS__ }; \ 4511b7ac7caSGreg Kurz size_t n = MIN(ARRAY_SIZE(args_tmp), ARRAY_SIZE(cap.args)); \ 4521b7ac7caSGreg Kurz memcpy(cap.args, args_tmp, n * sizeof(cap.args[0])); \ 45340f1ee27SCornelia Huck kvm_vm_ioctl(s, KVM_ENABLE_CAP, &cap); \ 45440f1ee27SCornelia Huck }) 45540f1ee27SCornelia Huck 45640f1ee27SCornelia Huck #define kvm_vcpu_enable_cap(cpu, capability, cap_flags, ...) \ 45740f1ee27SCornelia Huck ({ \ 45840f1ee27SCornelia Huck struct kvm_enable_cap cap = { \ 45940f1ee27SCornelia Huck .cap = capability, \ 46040f1ee27SCornelia Huck .flags = cap_flags, \ 46140f1ee27SCornelia Huck }; \ 46240f1ee27SCornelia Huck uint64_t args_tmp[] = { __VA_ARGS__ }; \ 4631b7ac7caSGreg Kurz size_t n = MIN(ARRAY_SIZE(args_tmp), ARRAY_SIZE(cap.args)); \ 4641b7ac7caSGreg Kurz memcpy(cap.args, args_tmp, n * sizeof(cap.args[0])); \ 46540f1ee27SCornelia Huck kvm_vcpu_ioctl(cpu, KVM_ENABLE_CAP, &cap); \ 46640f1ee27SCornelia Huck }) 46740f1ee27SCornelia Huck 4689c17d615SPaolo Bonzini uint32_t kvm_arch_get_supported_cpuid(KVMState *env, uint32_t function, 4699c17d615SPaolo Bonzini uint32_t index, int reg); 470ede146c2SPaolo Bonzini uint64_t kvm_arch_get_supported_msr_feature(KVMState *s, uint32_t index); 471f57bceb6SRobert Hoo 47297577fd4SJames Hogan 473aed6efb9SJames Hogan void kvm_set_sigmask_len(KVMState *s, unsigned int sigmask_len); 474aed6efb9SJames Hogan 47597577fd4SJames Hogan #if !defined(CONFIG_USER_ONLY) 47697577fd4SJames Hogan int kvm_physical_memory_addr_from_host(KVMState *s, void *ram_addr, 47797577fd4SJames Hogan hwaddr *phys_addr); 47897577fd4SJames Hogan #endif 47997577fd4SJames Hogan 48097577fd4SJames Hogan #endif /* NEED_CPU_H */ 48197577fd4SJames Hogan 482dd1750d7SAndreas Färber void kvm_cpu_synchronize_state(CPUState *cpu); 48397577fd4SJames Hogan void kvm_cpu_synchronize_post_reset(CPUState *cpu); 48497577fd4SJames Hogan void kvm_cpu_synchronize_post_init(CPUState *cpu); 48575e972daSDavid Gibson void kvm_cpu_synchronize_pre_loadvm(CPUState *cpu); 4869c17d615SPaolo Bonzini 48718268b60SPaolo Bonzini void kvm_init_cpu_signals(CPUState *cpu); 48818268b60SPaolo Bonzini 489d1f6af6aSPeter Xu /** 490d1f6af6aSPeter Xu * kvm_irqchip_add_msi_route - Add MSI route for specific vector 491d1f6af6aSPeter Xu * @s: KVM state 492d1f6af6aSPeter Xu * @vector: which vector to add. This can be either MSI/MSIX 493d1f6af6aSPeter Xu * vector. The function will automatically detect whether 494d1f6af6aSPeter Xu * MSI/MSIX is enabled, and fetch corresponding MSI 495d1f6af6aSPeter Xu * message. 496d1f6af6aSPeter Xu * @dev: Owner PCI device to add the route. If @dev is specified 497d1f6af6aSPeter Xu * as @NULL, an empty MSI message will be inited. 498d1f6af6aSPeter Xu * @return: virq (>=0) when success, errno (<0) when failed. 499d1f6af6aSPeter Xu */ 500d1f6af6aSPeter Xu int kvm_irqchip_add_msi_route(KVMState *s, int vector, PCIDevice *dev); 501dc9f06caSPavel Fedin int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg, 502dc9f06caSPavel Fedin PCIDevice *dev); 5033f1fea0fSPeter Xu void kvm_irqchip_commit_routes(KVMState *s); 5049c17d615SPaolo Bonzini void kvm_irqchip_release_virq(KVMState *s, int virq); 5059c17d615SPaolo Bonzini 506d426d9fbSCornelia Huck int kvm_irqchip_add_adapter_route(KVMState *s, AdapterInfo *adapter); 507977a8d9cSAndrey Smetanin int kvm_irqchip_add_hv_sint_route(KVMState *s, uint32_t vcpu, uint32_t sint); 508d426d9fbSCornelia Huck 5091c9b71a7SEric Auger int kvm_irqchip_add_irqfd_notifier_gsi(KVMState *s, EventNotifier *n, 510ca916d37SVincenzo Maffione EventNotifier *rn, int virq); 5111c9b71a7SEric Auger int kvm_irqchip_remove_irqfd_notifier_gsi(KVMState *s, EventNotifier *n, 5121c9b71a7SEric Auger int virq); 513197e3524SEric Auger int kvm_irqchip_add_irqfd_notifier(KVMState *s, EventNotifier *n, 514197e3524SEric Auger EventNotifier *rn, qemu_irq irq); 515197e3524SEric Auger int kvm_irqchip_remove_irqfd_notifier(KVMState *s, EventNotifier *n, 516197e3524SEric Auger qemu_irq irq); 517197e3524SEric Auger void kvm_irqchip_set_qemuirq_gsi(KVMState *s, qemu_irq irq, int gsi); 5189c17d615SPaolo Bonzini void kvm_pc_gsi_handler(void *opaque, int n, int level); 5199c17d615SPaolo Bonzini void kvm_pc_setup_irq_routing(bool pci_enabled); 5207b774593SAlexander Graf void kvm_init_irq_routing(KVMState *s); 521d6032e06SChristoffer Dall 522d6032e06SChristoffer Dall /** 523d6032e06SChristoffer Dall * kvm_arch_irqchip_create: 524d6032e06SChristoffer Dall * @KVMState: The KVMState pointer 52515eafc2eSPaolo Bonzini * @MachineState: The MachineState pointer 526d6032e06SChristoffer Dall * 527d6032e06SChristoffer Dall * Allow architectures to create an in-kernel irq chip themselves. 528d6032e06SChristoffer Dall * 529d6032e06SChristoffer Dall * Returns: < 0: error 530d6032e06SChristoffer Dall * 0: irq chip was not created 531d6032e06SChristoffer Dall * > 0: irq chip was created 532d6032e06SChristoffer Dall */ 53315eafc2eSPaolo Bonzini int kvm_arch_irqchip_create(MachineState *ms, KVMState *s); 534ada4135fSCornelia Huck 535ada4135fSCornelia Huck /** 536ada4135fSCornelia Huck * kvm_set_one_reg - set a register value in KVM via KVM_SET_ONE_REG ioctl 537ada4135fSCornelia Huck * @id: The register ID 538ada4135fSCornelia Huck * @source: The pointer to the value to be set. It must point to a variable 539ada4135fSCornelia Huck * of the correct type/size for the register being accessed. 540ada4135fSCornelia Huck * 541ada4135fSCornelia Huck * Returns: 0 on success, or a negative errno on failure. 542ada4135fSCornelia Huck */ 543ada4135fSCornelia Huck int kvm_set_one_reg(CPUState *cs, uint64_t id, void *source); 544ada4135fSCornelia Huck 545ada4135fSCornelia Huck /** 546ada4135fSCornelia Huck * kvm_get_one_reg - get a register value from KVM via KVM_GET_ONE_REG ioctl 547ada4135fSCornelia Huck * @id: The register ID 548ada4135fSCornelia Huck * @target: The pointer where the value is to be stored. It must point to a 549ada4135fSCornelia Huck * variable of the correct type/size for the register being accessed. 550ada4135fSCornelia Huck * 551ada4135fSCornelia Huck * Returns: 0 on success, or a negative errno on failure. 552ada4135fSCornelia Huck */ 553ada4135fSCornelia Huck int kvm_get_one_reg(CPUState *cs, uint64_t id, void *target); 554c64abd1fSSam Bobroff struct ppc_radix_page_info *kvm_get_radix_page_info(void); 55544f2e6c1SBharata B Rao int kvm_get_max_memslots(void); 5569c17d615SPaolo Bonzini #endif 557