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" 18504134d2SAndreas Färber #include "qom/cpu.h" 194c663752SPaolo Bonzini #include "exec/memattrs.h" 20197e3524SEric Auger #include "hw/irq.h" 219c17d615SPaolo Bonzini 22cbca3722SThomas Huth #ifdef NEED_CPU_H 239c17d615SPaolo Bonzini # ifdef CONFIG_KVM 249c17d615SPaolo Bonzini # include <linux/kvm.h> 259c17d615SPaolo Bonzini # include <linux/kvm_para.h> 26cbca3722SThomas Huth # define CONFIG_KVM_IS_POSSIBLE 279c17d615SPaolo Bonzini # endif 28cbca3722SThomas Huth #else 29cbca3722SThomas Huth # define CONFIG_KVM_IS_POSSIBLE 30cbca3722SThomas Huth #endif 31cbca3722SThomas Huth 32cbca3722SThomas Huth #ifdef CONFIG_KVM_IS_POSSIBLE 339c17d615SPaolo Bonzini 34d5286af5Sliguang extern bool kvm_allowed; 359c17d615SPaolo Bonzini extern bool kvm_kernel_irqchip; 3632c18a2dSMatt Gingell extern bool kvm_split_irqchip; 379c17d615SPaolo Bonzini extern bool kvm_async_interrupts_allowed; 38215e79c0SAlexander Graf extern bool kvm_halt_in_kernel_allowed; 3969e03ae6SNikolay Nikolaev extern bool kvm_eventfds_allowed; 409c17d615SPaolo Bonzini extern bool kvm_irqfds_allowed; 41f41389aeSEric Auger extern bool kvm_resamplefds_allowed; 429c17d615SPaolo Bonzini extern bool kvm_msi_via_irqfd_allowed; 439c17d615SPaolo Bonzini extern bool kvm_gsi_routing_allowed; 4476fe21deSAlexey Kardashevskiy extern bool kvm_gsi_direct_mapping; 45df9c8b75SJordan Justen extern bool kvm_readonly_mem_allowed; 4650bf31b9SPavel Fedin extern bool kvm_direct_msi_allowed; 4735108223SJason Wang extern bool kvm_ioeventfd_any_length_allowed; 48767a554aSPavel Fedin extern bool kvm_msi_use_devid; 499c17d615SPaolo Bonzini 509c17d615SPaolo Bonzini #define kvm_enabled() (kvm_allowed) 519c17d615SPaolo Bonzini /** 529c17d615SPaolo Bonzini * kvm_irqchip_in_kernel: 539c17d615SPaolo Bonzini * 549c17d615SPaolo Bonzini * Returns: true if the user asked us to create an in-kernel 559c17d615SPaolo Bonzini * irqchip via the "kernel_irqchip=on" machine option. 569c17d615SPaolo Bonzini * What this actually means is architecture and machine model 579c17d615SPaolo Bonzini * specific: on PC, for instance, it means that the LAPIC, 589c17d615SPaolo Bonzini * IOAPIC and PIT are all in kernel. This function should never 599c17d615SPaolo Bonzini * be used from generic target-independent code: use one of the 609c17d615SPaolo Bonzini * following functions or some other specific check instead. 619c17d615SPaolo Bonzini */ 629c17d615SPaolo Bonzini #define kvm_irqchip_in_kernel() (kvm_kernel_irqchip) 639c17d615SPaolo Bonzini 649c17d615SPaolo Bonzini /** 6532c18a2dSMatt Gingell * kvm_irqchip_is_split: 6632c18a2dSMatt Gingell * 6732c18a2dSMatt Gingell * Returns: true if the user asked us to split the irqchip 6832c18a2dSMatt Gingell * implementation between user and kernel space. The details are 6932c18a2dSMatt Gingell * architecture and machine specific. On PC, it means that the PIC, 7032c18a2dSMatt Gingell * IOAPIC, and PIT are in user space while the LAPIC is in the kernel. 7132c18a2dSMatt Gingell */ 7232c18a2dSMatt Gingell #define kvm_irqchip_is_split() (kvm_split_irqchip) 7332c18a2dSMatt Gingell 7432c18a2dSMatt Gingell /** 759c17d615SPaolo Bonzini * kvm_async_interrupts_enabled: 769c17d615SPaolo Bonzini * 779c17d615SPaolo Bonzini * Returns: true if we can deliver interrupts to KVM 789c17d615SPaolo Bonzini * asynchronously (ie by ioctl from any thread at any time) 799c17d615SPaolo Bonzini * rather than having to do interrupt delivery synchronously 809c17d615SPaolo Bonzini * (where the vcpu must be stopped at a suitable point first). 819c17d615SPaolo Bonzini */ 829c17d615SPaolo Bonzini #define kvm_async_interrupts_enabled() (kvm_async_interrupts_allowed) 839c17d615SPaolo Bonzini 849c17d615SPaolo Bonzini /** 85215e79c0SAlexander Graf * kvm_halt_in_kernel 86215e79c0SAlexander Graf * 87215e79c0SAlexander Graf * Returns: true if halted cpus should still get a KVM_RUN ioctl to run 88215e79c0SAlexander Graf * inside of kernel space. This only works if MP state is implemented. 89215e79c0SAlexander Graf */ 90215e79c0SAlexander Graf #define kvm_halt_in_kernel() (kvm_halt_in_kernel_allowed) 91215e79c0SAlexander Graf 92215e79c0SAlexander Graf /** 9369e03ae6SNikolay Nikolaev * kvm_eventfds_enabled: 9469e03ae6SNikolay Nikolaev * 9569e03ae6SNikolay Nikolaev * Returns: true if we can use eventfds to receive notifications 9669e03ae6SNikolay Nikolaev * from a KVM CPU (ie the kernel supports eventds and we are running 9769e03ae6SNikolay Nikolaev * with a configuration where it is meaningful to use them). 9869e03ae6SNikolay Nikolaev */ 9969e03ae6SNikolay Nikolaev #define kvm_eventfds_enabled() (kvm_eventfds_allowed) 10069e03ae6SNikolay Nikolaev 10169e03ae6SNikolay Nikolaev /** 1029c17d615SPaolo Bonzini * kvm_irqfds_enabled: 1039c17d615SPaolo Bonzini * 1049c17d615SPaolo Bonzini * Returns: true if we can use irqfds to inject interrupts into 1059c17d615SPaolo Bonzini * a KVM CPU (ie the kernel supports irqfds and we are running 1069c17d615SPaolo Bonzini * with a configuration where it is meaningful to use them). 1079c17d615SPaolo Bonzini */ 1089c17d615SPaolo Bonzini #define kvm_irqfds_enabled() (kvm_irqfds_allowed) 1099c17d615SPaolo Bonzini 1109c17d615SPaolo Bonzini /** 111f41389aeSEric Auger * kvm_resamplefds_enabled: 112f41389aeSEric Auger * 113f41389aeSEric Auger * Returns: true if we can use resamplefds to inject interrupts into 114f41389aeSEric Auger * a KVM CPU (ie the kernel supports resamplefds and we are running 115f41389aeSEric Auger * with a configuration where it is meaningful to use them). 116f41389aeSEric Auger */ 117f41389aeSEric Auger #define kvm_resamplefds_enabled() (kvm_resamplefds_allowed) 118f41389aeSEric Auger 119f41389aeSEric Auger /** 1209c17d615SPaolo Bonzini * kvm_msi_via_irqfd_enabled: 1219c17d615SPaolo Bonzini * 1229c17d615SPaolo Bonzini * Returns: true if we can route a PCI MSI (Message Signaled Interrupt) 1239c17d615SPaolo Bonzini * to a KVM CPU via an irqfd. This requires that the kernel supports 1249c17d615SPaolo Bonzini * this and that we're running in a configuration that permits it. 1259c17d615SPaolo Bonzini */ 1269c17d615SPaolo Bonzini #define kvm_msi_via_irqfd_enabled() (kvm_msi_via_irqfd_allowed) 1279c17d615SPaolo Bonzini 1289c17d615SPaolo Bonzini /** 1299c17d615SPaolo Bonzini * kvm_gsi_routing_enabled: 1309c17d615SPaolo Bonzini * 1319c17d615SPaolo Bonzini * Returns: true if GSI routing is enabled (ie the kernel supports 1329c17d615SPaolo Bonzini * it and we're running in a configuration that permits it). 1339c17d615SPaolo Bonzini */ 1349c17d615SPaolo Bonzini #define kvm_gsi_routing_enabled() (kvm_gsi_routing_allowed) 1359c17d615SPaolo Bonzini 136df9c8b75SJordan Justen /** 13776fe21deSAlexey Kardashevskiy * kvm_gsi_direct_mapping: 13876fe21deSAlexey Kardashevskiy * 13976fe21deSAlexey Kardashevskiy * Returns: true if GSI direct mapping is enabled. 14076fe21deSAlexey Kardashevskiy */ 14176fe21deSAlexey Kardashevskiy #define kvm_gsi_direct_mapping() (kvm_gsi_direct_mapping) 14276fe21deSAlexey Kardashevskiy 14376fe21deSAlexey Kardashevskiy /** 144df9c8b75SJordan Justen * kvm_readonly_mem_enabled: 145df9c8b75SJordan Justen * 146df9c8b75SJordan Justen * Returns: true if KVM readonly memory is enabled (ie the kernel 147df9c8b75SJordan Justen * supports it and we're running in a configuration that permits it). 148df9c8b75SJordan Justen */ 149df9c8b75SJordan Justen #define kvm_readonly_mem_enabled() (kvm_readonly_mem_allowed) 150df9c8b75SJordan Justen 15150bf31b9SPavel Fedin /** 15250bf31b9SPavel Fedin * kvm_direct_msi_enabled: 15350bf31b9SPavel Fedin * 15450bf31b9SPavel Fedin * Returns: true if KVM allows direct MSI injection. 15550bf31b9SPavel Fedin */ 15650bf31b9SPavel Fedin #define kvm_direct_msi_enabled() (kvm_direct_msi_allowed) 15750bf31b9SPavel Fedin 15835108223SJason Wang /** 15935108223SJason Wang * kvm_ioeventfd_any_length_enabled: 16035108223SJason Wang * Returns: true if KVM allows any length io eventfd. 16135108223SJason Wang */ 16235108223SJason Wang #define kvm_ioeventfd_any_length_enabled() (kvm_ioeventfd_any_length_allowed) 16335108223SJason Wang 164767a554aSPavel Fedin /** 165767a554aSPavel Fedin * kvm_msi_devid_required: 166767a554aSPavel Fedin * Returns: true if KVM requires a device id to be provided while 167767a554aSPavel Fedin * defining an MSI routing entry. 168767a554aSPavel Fedin */ 169767a554aSPavel Fedin #define kvm_msi_devid_required() (kvm_msi_use_devid) 170767a554aSPavel Fedin 1719c17d615SPaolo Bonzini #else 172cbca3722SThomas Huth 1739c17d615SPaolo Bonzini #define kvm_enabled() (0) 1749c17d615SPaolo Bonzini #define kvm_irqchip_in_kernel() (false) 17515eafc2eSPaolo Bonzini #define kvm_irqchip_is_split() (false) 1769c17d615SPaolo Bonzini #define kvm_async_interrupts_enabled() (false) 177215e79c0SAlexander Graf #define kvm_halt_in_kernel() (false) 17869e03ae6SNikolay Nikolaev #define kvm_eventfds_enabled() (false) 1799c17d615SPaolo Bonzini #define kvm_irqfds_enabled() (false) 180879904e8SEric Auger #define kvm_resamplefds_enabled() (false) 1819c17d615SPaolo Bonzini #define kvm_msi_via_irqfd_enabled() (false) 1829c17d615SPaolo Bonzini #define kvm_gsi_routing_allowed() (false) 18376fe21deSAlexey Kardashevskiy #define kvm_gsi_direct_mapping() (false) 184df9c8b75SJordan Justen #define kvm_readonly_mem_enabled() (false) 18550bf31b9SPavel Fedin #define kvm_direct_msi_enabled() (false) 18635108223SJason Wang #define kvm_ioeventfd_any_length_enabled() (false) 187767a554aSPavel Fedin #define kvm_msi_devid_required() (false) 188cbca3722SThomas Huth 189cbca3722SThomas Huth #endif /* CONFIG_KVM_IS_POSSIBLE */ 1909c17d615SPaolo Bonzini 1919c17d615SPaolo Bonzini struct kvm_run; 1929c17d615SPaolo Bonzini struct kvm_lapic_state; 1939e03a040SFrank Blaschka struct kvm_irq_routing_entry; 1949c17d615SPaolo Bonzini 1959c17d615SPaolo Bonzini typedef struct KVMCapabilityInfo { 1969c17d615SPaolo Bonzini const char *name; 1979c17d615SPaolo Bonzini int value; 1989c17d615SPaolo Bonzini } KVMCapabilityInfo; 1999c17d615SPaolo Bonzini 2009c17d615SPaolo Bonzini #define KVM_CAP_INFO(CAP) { "KVM_CAP_" stringify(CAP), KVM_CAP_##CAP } 2019c17d615SPaolo Bonzini #define KVM_CAP_LAST_INFO { NULL, 0 } 2029c17d615SPaolo Bonzini 2039c17d615SPaolo Bonzini struct KVMState; 2049c17d615SPaolo Bonzini typedef struct KVMState KVMState; 2059c17d615SPaolo Bonzini extern KVMState *kvm_state; 2069c17d615SPaolo Bonzini 2079c17d615SPaolo Bonzini /* external API */ 2089c17d615SPaolo Bonzini 209b8865591SIgor Mammedov bool kvm_has_free_slot(MachineState *ms); 21062dd4edaSGreg Kurz bool kvm_has_sync_mmu(void); 2119c17d615SPaolo Bonzini int kvm_has_vcpu_events(void); 2129c17d615SPaolo Bonzini int kvm_has_robust_singlestep(void); 2139c17d615SPaolo Bonzini int kvm_has_debugregs(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 242*54e89539SBrijesh Singh /** 243*54e89539SBrijesh Singh * kvm_memcrypt_encrypt_data: encrypt the memory range 244*54e89539SBrijesh Singh * 245*54e89539SBrijesh Singh * Return: 1 failed to encrypt the range 246*54e89539SBrijesh Singh * 0 succesfully encrypted memory region 247*54e89539SBrijesh Singh */ 248*54e89539SBrijesh Singh int kvm_memcrypt_encrypt_data(uint8_t *ptr, uint64_t len); 249*54e89539SBrijesh 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 /** 3124b3cfe72SPavel Fedin * kvm_device_access - set or get value of a specific vm 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); 3759c17d615SPaolo Bonzini 37641264b38SGreg Kurz bool kvm_vcpu_id_is_valid(int vcpu_id); 37741264b38SGreg Kurz 378b164e48eSEduardo Habkost /* Returns VCPU ID to be used on KVM_CREATE_VCPU ioctl() */ 379b164e48eSEduardo Habkost unsigned long kvm_arch_vcpu_id(CPUState *cpu); 380b164e48eSEduardo Habkost 3812ae41db2SPaolo Bonzini #ifdef TARGET_I386 3822ae41db2SPaolo Bonzini #define KVM_HAVE_MCE_INJECTION 1 3832ae41db2SPaolo Bonzini void kvm_arch_on_sigbus_vcpu(CPUState *cpu, int code, void *addr); 3842ae41db2SPaolo Bonzini #endif 3859c17d615SPaolo Bonzini 3869c17d615SPaolo Bonzini void kvm_arch_init_irq_routing(KVMState *s); 3879c17d615SPaolo Bonzini 3889e03a040SFrank Blaschka int kvm_arch_fixup_msi_route(struct kvm_irq_routing_entry *route, 389dc9f06caSPavel Fedin uint64_t address, uint32_t data, PCIDevice *dev); 3909e03a040SFrank Blaschka 39138d87493SPeter Xu /* Notify arch about newly added MSI routes */ 39238d87493SPeter Xu int kvm_arch_add_msi_route_post(struct kvm_irq_routing_entry *route, 39338d87493SPeter Xu int vector, PCIDevice *dev); 39438d87493SPeter Xu /* Notify arch about released MSI routes */ 39538d87493SPeter Xu int kvm_arch_release_virq_post(int virq); 39638d87493SPeter Xu 3971850b6b7SEric Auger int kvm_arch_msi_data_to_gsi(uint32_t data); 3981850b6b7SEric Auger 3999c17d615SPaolo Bonzini int kvm_set_irq(KVMState *s, int irq, int level); 4009c17d615SPaolo Bonzini int kvm_irqchip_send_msi(KVMState *s, MSIMessage msg); 4019c17d615SPaolo Bonzini 4029c17d615SPaolo Bonzini void kvm_irqchip_add_irq_route(KVMState *s, int gsi, int irqchip, int pin); 4039c17d615SPaolo Bonzini 4049c17d615SPaolo Bonzini void kvm_get_apic_state(DeviceState *d, struct kvm_lapic_state *kapic); 4059c17d615SPaolo Bonzini 4069c17d615SPaolo Bonzini struct kvm_guest_debug; 4079c17d615SPaolo Bonzini struct kvm_debug_exit_arch; 4089c17d615SPaolo Bonzini 4099c17d615SPaolo Bonzini struct kvm_sw_breakpoint { 4109c17d615SPaolo Bonzini target_ulong pc; 4119c17d615SPaolo Bonzini target_ulong saved_insn; 4129c17d615SPaolo Bonzini int use_count; 4139c17d615SPaolo Bonzini QTAILQ_ENTRY(kvm_sw_breakpoint) entry; 4149c17d615SPaolo Bonzini }; 4159c17d615SPaolo Bonzini 4169c17d615SPaolo Bonzini QTAILQ_HEAD(kvm_sw_breakpoint_head, kvm_sw_breakpoint); 4179c17d615SPaolo Bonzini 418501a7ce7SAndreas Färber struct kvm_sw_breakpoint *kvm_find_sw_breakpoint(CPUState *cpu, 4199c17d615SPaolo Bonzini target_ulong pc); 4209c17d615SPaolo Bonzini 421501a7ce7SAndreas Färber int kvm_sw_breakpoints_active(CPUState *cpu); 4229c17d615SPaolo Bonzini 42380b7cd73SAndreas Färber int kvm_arch_insert_sw_breakpoint(CPUState *cpu, 4249c17d615SPaolo Bonzini struct kvm_sw_breakpoint *bp); 42580b7cd73SAndreas Färber int kvm_arch_remove_sw_breakpoint(CPUState *cpu, 4269c17d615SPaolo Bonzini struct kvm_sw_breakpoint *bp); 4279c17d615SPaolo Bonzini int kvm_arch_insert_hw_breakpoint(target_ulong addr, 4289c17d615SPaolo Bonzini target_ulong len, int type); 4299c17d615SPaolo Bonzini int kvm_arch_remove_hw_breakpoint(target_ulong addr, 4309c17d615SPaolo Bonzini target_ulong len, int type); 4319c17d615SPaolo Bonzini void kvm_arch_remove_all_hw_breakpoints(void); 4329c17d615SPaolo Bonzini 433501a7ce7SAndreas Färber void kvm_arch_update_guest_debug(CPUState *cpu, struct kvm_guest_debug *dbg); 4349c17d615SPaolo Bonzini 435501a7ce7SAndreas Färber bool kvm_arch_stop_on_emulation_error(CPUState *cpu); 4369c17d615SPaolo Bonzini 4379c17d615SPaolo Bonzini int kvm_check_extension(KVMState *s, unsigned int extension); 4389c17d615SPaolo Bonzini 4397d0a07faSAlexander Graf int kvm_vm_check_extension(KVMState *s, unsigned int extension); 4407d0a07faSAlexander Graf 44140f1ee27SCornelia Huck #define kvm_vm_enable_cap(s, capability, cap_flags, ...) \ 44240f1ee27SCornelia Huck ({ \ 44340f1ee27SCornelia Huck struct kvm_enable_cap cap = { \ 44440f1ee27SCornelia Huck .cap = capability, \ 44540f1ee27SCornelia Huck .flags = cap_flags, \ 44640f1ee27SCornelia Huck }; \ 44740f1ee27SCornelia Huck uint64_t args_tmp[] = { __VA_ARGS__ }; \ 4481b7ac7caSGreg Kurz size_t n = MIN(ARRAY_SIZE(args_tmp), ARRAY_SIZE(cap.args)); \ 4491b7ac7caSGreg Kurz memcpy(cap.args, args_tmp, n * sizeof(cap.args[0])); \ 45040f1ee27SCornelia Huck kvm_vm_ioctl(s, KVM_ENABLE_CAP, &cap); \ 45140f1ee27SCornelia Huck }) 45240f1ee27SCornelia Huck 45340f1ee27SCornelia Huck #define kvm_vcpu_enable_cap(cpu, capability, cap_flags, ...) \ 45440f1ee27SCornelia Huck ({ \ 45540f1ee27SCornelia Huck struct kvm_enable_cap cap = { \ 45640f1ee27SCornelia Huck .cap = capability, \ 45740f1ee27SCornelia Huck .flags = cap_flags, \ 45840f1ee27SCornelia Huck }; \ 45940f1ee27SCornelia Huck uint64_t args_tmp[] = { __VA_ARGS__ }; \ 4601b7ac7caSGreg Kurz size_t n = MIN(ARRAY_SIZE(args_tmp), ARRAY_SIZE(cap.args)); \ 4611b7ac7caSGreg Kurz memcpy(cap.args, args_tmp, n * sizeof(cap.args[0])); \ 46240f1ee27SCornelia Huck kvm_vcpu_ioctl(cpu, KVM_ENABLE_CAP, &cap); \ 46340f1ee27SCornelia Huck }) 46440f1ee27SCornelia Huck 4659c17d615SPaolo Bonzini uint32_t kvm_arch_get_supported_cpuid(KVMState *env, uint32_t function, 4669c17d615SPaolo Bonzini uint32_t index, int reg); 46797577fd4SJames Hogan 468aed6efb9SJames Hogan void kvm_set_sigmask_len(KVMState *s, unsigned int sigmask_len); 469aed6efb9SJames Hogan 47097577fd4SJames Hogan #if !defined(CONFIG_USER_ONLY) 47197577fd4SJames Hogan int kvm_physical_memory_addr_from_host(KVMState *s, void *ram_addr, 47297577fd4SJames Hogan hwaddr *phys_addr); 47397577fd4SJames Hogan #endif 47497577fd4SJames Hogan 47597577fd4SJames Hogan #endif /* NEED_CPU_H */ 47697577fd4SJames Hogan 477dd1750d7SAndreas Färber void kvm_cpu_synchronize_state(CPUState *cpu); 47897577fd4SJames Hogan void kvm_cpu_synchronize_post_reset(CPUState *cpu); 47997577fd4SJames Hogan void kvm_cpu_synchronize_post_init(CPUState *cpu); 48075e972daSDavid Gibson void kvm_cpu_synchronize_pre_loadvm(CPUState *cpu); 4819c17d615SPaolo Bonzini 48218268b60SPaolo Bonzini void kvm_init_cpu_signals(CPUState *cpu); 48318268b60SPaolo Bonzini 484d1f6af6aSPeter Xu /** 485d1f6af6aSPeter Xu * kvm_irqchip_add_msi_route - Add MSI route for specific vector 486d1f6af6aSPeter Xu * @s: KVM state 487d1f6af6aSPeter Xu * @vector: which vector to add. This can be either MSI/MSIX 488d1f6af6aSPeter Xu * vector. The function will automatically detect whether 489d1f6af6aSPeter Xu * MSI/MSIX is enabled, and fetch corresponding MSI 490d1f6af6aSPeter Xu * message. 491d1f6af6aSPeter Xu * @dev: Owner PCI device to add the route. If @dev is specified 492d1f6af6aSPeter Xu * as @NULL, an empty MSI message will be inited. 493d1f6af6aSPeter Xu * @return: virq (>=0) when success, errno (<0) when failed. 494d1f6af6aSPeter Xu */ 495d1f6af6aSPeter Xu int kvm_irqchip_add_msi_route(KVMState *s, int vector, PCIDevice *dev); 496dc9f06caSPavel Fedin int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg, 497dc9f06caSPavel Fedin PCIDevice *dev); 4983f1fea0fSPeter Xu void kvm_irqchip_commit_routes(KVMState *s); 4999c17d615SPaolo Bonzini void kvm_irqchip_release_virq(KVMState *s, int virq); 5009c17d615SPaolo Bonzini 501d426d9fbSCornelia Huck int kvm_irqchip_add_adapter_route(KVMState *s, AdapterInfo *adapter); 502977a8d9cSAndrey Smetanin int kvm_irqchip_add_hv_sint_route(KVMState *s, uint32_t vcpu, uint32_t sint); 503d426d9fbSCornelia Huck 5041c9b71a7SEric Auger int kvm_irqchip_add_irqfd_notifier_gsi(KVMState *s, EventNotifier *n, 505ca916d37SVincenzo Maffione EventNotifier *rn, int virq); 5061c9b71a7SEric Auger int kvm_irqchip_remove_irqfd_notifier_gsi(KVMState *s, EventNotifier *n, 5071c9b71a7SEric Auger int virq); 508197e3524SEric Auger int kvm_irqchip_add_irqfd_notifier(KVMState *s, EventNotifier *n, 509197e3524SEric Auger EventNotifier *rn, qemu_irq irq); 510197e3524SEric Auger int kvm_irqchip_remove_irqfd_notifier(KVMState *s, EventNotifier *n, 511197e3524SEric Auger qemu_irq irq); 512197e3524SEric Auger void kvm_irqchip_set_qemuirq_gsi(KVMState *s, qemu_irq irq, int gsi); 5139c17d615SPaolo Bonzini void kvm_pc_gsi_handler(void *opaque, int n, int level); 5149c17d615SPaolo Bonzini void kvm_pc_setup_irq_routing(bool pci_enabled); 5157b774593SAlexander Graf void kvm_init_irq_routing(KVMState *s); 516d6032e06SChristoffer Dall 517d6032e06SChristoffer Dall /** 518d6032e06SChristoffer Dall * kvm_arch_irqchip_create: 519d6032e06SChristoffer Dall * @KVMState: The KVMState pointer 52015eafc2eSPaolo Bonzini * @MachineState: The MachineState pointer 521d6032e06SChristoffer Dall * 522d6032e06SChristoffer Dall * Allow architectures to create an in-kernel irq chip themselves. 523d6032e06SChristoffer Dall * 524d6032e06SChristoffer Dall * Returns: < 0: error 525d6032e06SChristoffer Dall * 0: irq chip was not created 526d6032e06SChristoffer Dall * > 0: irq chip was created 527d6032e06SChristoffer Dall */ 52815eafc2eSPaolo Bonzini int kvm_arch_irqchip_create(MachineState *ms, KVMState *s); 529ada4135fSCornelia Huck 530ada4135fSCornelia Huck /** 531ada4135fSCornelia Huck * kvm_set_one_reg - set a register value in KVM via KVM_SET_ONE_REG ioctl 532ada4135fSCornelia Huck * @id: The register ID 533ada4135fSCornelia Huck * @source: The pointer to the value to be set. It must point to a variable 534ada4135fSCornelia Huck * of the correct type/size for the register being accessed. 535ada4135fSCornelia Huck * 536ada4135fSCornelia Huck * Returns: 0 on success, or a negative errno on failure. 537ada4135fSCornelia Huck */ 538ada4135fSCornelia Huck int kvm_set_one_reg(CPUState *cs, uint64_t id, void *source); 539ada4135fSCornelia Huck 540ada4135fSCornelia Huck /** 541ada4135fSCornelia Huck * kvm_get_one_reg - get a register value from KVM via KVM_GET_ONE_REG ioctl 542ada4135fSCornelia Huck * @id: The register ID 543ada4135fSCornelia Huck * @target: The pointer where the value is to be stored. It must point to a 544ada4135fSCornelia Huck * variable of the correct type/size for the register being accessed. 545ada4135fSCornelia Huck * 546ada4135fSCornelia Huck * Returns: 0 on success, or a negative errno on failure. 547ada4135fSCornelia Huck */ 548ada4135fSCornelia Huck int kvm_get_one_reg(CPUState *cs, uint64_t id, void *target); 549c64abd1fSSam Bobroff struct ppc_radix_page_info *kvm_get_radix_page_info(void); 55044f2e6c1SBharata B Rao int kvm_get_max_memslots(void); 5519c17d615SPaolo Bonzini #endif 552