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; 4669e03ae6SNikolay Nikolaev extern bool kvm_eventfds_allowed; 479c17d615SPaolo Bonzini extern bool kvm_irqfds_allowed; 48f41389aeSEric Auger extern bool kvm_resamplefds_allowed; 499c17d615SPaolo Bonzini extern bool kvm_msi_via_irqfd_allowed; 509c17d615SPaolo Bonzini extern bool kvm_gsi_routing_allowed; 5176fe21deSAlexey Kardashevskiy extern bool kvm_gsi_direct_mapping; 52df9c8b75SJordan Justen extern bool kvm_readonly_mem_allowed; 539c17d615SPaolo Bonzini 549c17d615SPaolo Bonzini #if defined CONFIG_KVM || !defined NEED_CPU_H 559c17d615SPaolo Bonzini #define kvm_enabled() (kvm_allowed) 569c17d615SPaolo Bonzini /** 579c17d615SPaolo Bonzini * kvm_irqchip_in_kernel: 589c17d615SPaolo Bonzini * 599c17d615SPaolo Bonzini * Returns: true if the user asked us to create an in-kernel 609c17d615SPaolo Bonzini * irqchip via the "kernel_irqchip=on" machine option. 619c17d615SPaolo Bonzini * What this actually means is architecture and machine model 629c17d615SPaolo Bonzini * specific: on PC, for instance, it means that the LAPIC, 639c17d615SPaolo Bonzini * IOAPIC and PIT are all in kernel. This function should never 649c17d615SPaolo Bonzini * be used from generic target-independent code: use one of the 659c17d615SPaolo Bonzini * following functions or some other specific check instead. 669c17d615SPaolo Bonzini */ 679c17d615SPaolo Bonzini #define kvm_irqchip_in_kernel() (kvm_kernel_irqchip) 689c17d615SPaolo Bonzini 699c17d615SPaolo Bonzini /** 709c17d615SPaolo Bonzini * kvm_async_interrupts_enabled: 719c17d615SPaolo Bonzini * 729c17d615SPaolo Bonzini * Returns: true if we can deliver interrupts to KVM 739c17d615SPaolo Bonzini * asynchronously (ie by ioctl from any thread at any time) 749c17d615SPaolo Bonzini * rather than having to do interrupt delivery synchronously 759c17d615SPaolo Bonzini * (where the vcpu must be stopped at a suitable point first). 769c17d615SPaolo Bonzini */ 779c17d615SPaolo Bonzini #define kvm_async_interrupts_enabled() (kvm_async_interrupts_allowed) 789c17d615SPaolo Bonzini 799c17d615SPaolo Bonzini /** 80215e79c0SAlexander Graf * kvm_halt_in_kernel 81215e79c0SAlexander Graf * 82215e79c0SAlexander Graf * Returns: true if halted cpus should still get a KVM_RUN ioctl to run 83215e79c0SAlexander Graf * inside of kernel space. This only works if MP state is implemented. 84215e79c0SAlexander Graf */ 85215e79c0SAlexander Graf #define kvm_halt_in_kernel() (kvm_halt_in_kernel_allowed) 86215e79c0SAlexander Graf 87215e79c0SAlexander Graf /** 8869e03ae6SNikolay Nikolaev * kvm_eventfds_enabled: 8969e03ae6SNikolay Nikolaev * 9069e03ae6SNikolay Nikolaev * Returns: true if we can use eventfds to receive notifications 9169e03ae6SNikolay Nikolaev * from a KVM CPU (ie the kernel supports eventds and we are running 9269e03ae6SNikolay Nikolaev * with a configuration where it is meaningful to use them). 9369e03ae6SNikolay Nikolaev */ 9469e03ae6SNikolay Nikolaev #define kvm_eventfds_enabled() (kvm_eventfds_allowed) 9569e03ae6SNikolay Nikolaev 9669e03ae6SNikolay Nikolaev /** 979c17d615SPaolo Bonzini * kvm_irqfds_enabled: 989c17d615SPaolo Bonzini * 999c17d615SPaolo Bonzini * Returns: true if we can use irqfds to inject interrupts into 1009c17d615SPaolo Bonzini * a KVM CPU (ie the kernel supports irqfds and we are running 1019c17d615SPaolo Bonzini * with a configuration where it is meaningful to use them). 1029c17d615SPaolo Bonzini */ 1039c17d615SPaolo Bonzini #define kvm_irqfds_enabled() (kvm_irqfds_allowed) 1049c17d615SPaolo Bonzini 1059c17d615SPaolo Bonzini /** 106f41389aeSEric Auger * kvm_resamplefds_enabled: 107f41389aeSEric Auger * 108f41389aeSEric Auger * Returns: true if we can use resamplefds to inject interrupts into 109f41389aeSEric Auger * a KVM CPU (ie the kernel supports resamplefds and we are running 110f41389aeSEric Auger * with a configuration where it is meaningful to use them). 111f41389aeSEric Auger */ 112f41389aeSEric Auger #define kvm_resamplefds_enabled() (kvm_resamplefds_allowed) 113f41389aeSEric Auger 114f41389aeSEric Auger /** 1159c17d615SPaolo Bonzini * kvm_msi_via_irqfd_enabled: 1169c17d615SPaolo Bonzini * 1179c17d615SPaolo Bonzini * Returns: true if we can route a PCI MSI (Message Signaled Interrupt) 1189c17d615SPaolo Bonzini * to a KVM CPU via an irqfd. This requires that the kernel supports 1199c17d615SPaolo Bonzini * this and that we're running in a configuration that permits it. 1209c17d615SPaolo Bonzini */ 1219c17d615SPaolo Bonzini #define kvm_msi_via_irqfd_enabled() (kvm_msi_via_irqfd_allowed) 1229c17d615SPaolo Bonzini 1239c17d615SPaolo Bonzini /** 1249c17d615SPaolo Bonzini * kvm_gsi_routing_enabled: 1259c17d615SPaolo Bonzini * 1269c17d615SPaolo Bonzini * Returns: true if GSI routing is enabled (ie the kernel supports 1279c17d615SPaolo Bonzini * it and we're running in a configuration that permits it). 1289c17d615SPaolo Bonzini */ 1299c17d615SPaolo Bonzini #define kvm_gsi_routing_enabled() (kvm_gsi_routing_allowed) 1309c17d615SPaolo Bonzini 131df9c8b75SJordan Justen /** 13276fe21deSAlexey Kardashevskiy * kvm_gsi_direct_mapping: 13376fe21deSAlexey Kardashevskiy * 13476fe21deSAlexey Kardashevskiy * Returns: true if GSI direct mapping is enabled. 13576fe21deSAlexey Kardashevskiy */ 13676fe21deSAlexey Kardashevskiy #define kvm_gsi_direct_mapping() (kvm_gsi_direct_mapping) 13776fe21deSAlexey Kardashevskiy 13876fe21deSAlexey Kardashevskiy /** 139df9c8b75SJordan Justen * kvm_readonly_mem_enabled: 140df9c8b75SJordan Justen * 141df9c8b75SJordan Justen * Returns: true if KVM readonly memory is enabled (ie the kernel 142df9c8b75SJordan Justen * supports it and we're running in a configuration that permits it). 143df9c8b75SJordan Justen */ 144df9c8b75SJordan Justen #define kvm_readonly_mem_enabled() (kvm_readonly_mem_allowed) 145df9c8b75SJordan Justen 1469c17d615SPaolo Bonzini #else 1479c17d615SPaolo Bonzini #define kvm_enabled() (0) 1489c17d615SPaolo Bonzini #define kvm_irqchip_in_kernel() (false) 1499c17d615SPaolo Bonzini #define kvm_async_interrupts_enabled() (false) 150215e79c0SAlexander Graf #define kvm_halt_in_kernel() (false) 15169e03ae6SNikolay Nikolaev #define kvm_eventfds_enabled() (false) 1529c17d615SPaolo Bonzini #define kvm_irqfds_enabled() (false) 1539c17d615SPaolo Bonzini #define kvm_msi_via_irqfd_enabled() (false) 1549c17d615SPaolo Bonzini #define kvm_gsi_routing_allowed() (false) 15576fe21deSAlexey Kardashevskiy #define kvm_gsi_direct_mapping() (false) 156df9c8b75SJordan Justen #define kvm_readonly_mem_enabled() (false) 1579c17d615SPaolo Bonzini #endif 1589c17d615SPaolo Bonzini 1599c17d615SPaolo Bonzini struct kvm_run; 1609c17d615SPaolo Bonzini struct kvm_lapic_state; 1619e03a040SFrank Blaschka struct kvm_irq_routing_entry; 1629c17d615SPaolo Bonzini 1639c17d615SPaolo Bonzini typedef struct KVMCapabilityInfo { 1649c17d615SPaolo Bonzini const char *name; 1659c17d615SPaolo Bonzini int value; 1669c17d615SPaolo Bonzini } KVMCapabilityInfo; 1679c17d615SPaolo Bonzini 1689c17d615SPaolo Bonzini #define KVM_CAP_INFO(CAP) { "KVM_CAP_" stringify(CAP), KVM_CAP_##CAP } 1699c17d615SPaolo Bonzini #define KVM_CAP_LAST_INFO { NULL, 0 } 1709c17d615SPaolo Bonzini 1719c17d615SPaolo Bonzini struct KVMState; 1729c17d615SPaolo Bonzini typedef struct KVMState KVMState; 1739c17d615SPaolo Bonzini extern KVMState *kvm_state; 1749c17d615SPaolo Bonzini 1759c17d615SPaolo Bonzini /* external API */ 1769c17d615SPaolo Bonzini 177b8865591SIgor Mammedov bool kvm_has_free_slot(MachineState *ms); 1789c17d615SPaolo Bonzini int kvm_has_sync_mmu(void); 1799c17d615SPaolo Bonzini int kvm_has_vcpu_events(void); 1809c17d615SPaolo Bonzini int kvm_has_robust_singlestep(void); 1819c17d615SPaolo Bonzini int kvm_has_debugregs(void); 1829c17d615SPaolo Bonzini int kvm_has_xsave(void); 1839c17d615SPaolo Bonzini int kvm_has_xcrs(void); 1849c17d615SPaolo Bonzini int kvm_has_pit_state2(void); 1859c17d615SPaolo Bonzini int kvm_has_many_ioeventfds(void); 1869c17d615SPaolo Bonzini int kvm_has_gsi_routing(void); 1879c17d615SPaolo Bonzini int kvm_has_intx_set_mask(void); 1889c17d615SPaolo Bonzini 189504134d2SAndreas Färber int kvm_init_vcpu(CPUState *cpu); 1901458c363SAndreas Färber int kvm_cpu_exec(CPUState *cpu); 1919c17d615SPaolo Bonzini 192504134d2SAndreas Färber #ifdef NEED_CPU_H 1939c17d615SPaolo Bonzini 194c4cfef5eSIgor Mammedov void kvm_setup_guest_memory(void *start, size_t size); 195c4cfef5eSIgor Mammedov void kvm_flush_coalesced_mmio_buffer(void); 196c4cfef5eSIgor Mammedov 19762278814SAndreas Färber int kvm_insert_breakpoint(CPUState *cpu, target_ulong addr, 1989c17d615SPaolo Bonzini target_ulong len, int type); 19962278814SAndreas Färber int kvm_remove_breakpoint(CPUState *cpu, target_ulong addr, 2009c17d615SPaolo Bonzini target_ulong len, int type); 2011d5791f4SAndreas Färber void kvm_remove_all_breakpoints(CPUState *cpu); 20238e478ecSStefan Weil int kvm_update_guest_debug(CPUState *cpu, unsigned long reinject_trap); 2039c17d615SPaolo Bonzini #ifndef _WIN32 204491d6e80SAndreas Färber int kvm_set_signal_mask(CPUState *cpu, const sigset_t *sigset); 2059c17d615SPaolo Bonzini #endif 2069c17d615SPaolo Bonzini 207290adf38SAndreas Färber int kvm_on_sigbus_vcpu(CPUState *cpu, int code, void *addr); 2089c17d615SPaolo Bonzini int kvm_on_sigbus(int code, void *addr); 2099c17d615SPaolo Bonzini 2109c17d615SPaolo Bonzini /* internal API */ 2119c17d615SPaolo Bonzini 2129c17d615SPaolo Bonzini int kvm_ioctl(KVMState *s, int type, ...); 2139c17d615SPaolo Bonzini 2149c17d615SPaolo Bonzini int kvm_vm_ioctl(KVMState *s, int type, ...); 2159c17d615SPaolo Bonzini 216501a7ce7SAndreas Färber int kvm_vcpu_ioctl(CPUState *cpu, int type, ...); 2179c17d615SPaolo Bonzini 2180a6a7ccaSChristoffer Dall /** 2190a6a7ccaSChristoffer Dall * kvm_device_ioctl - call an ioctl on a kvm device 2200a6a7ccaSChristoffer Dall * @fd: The KVM device file descriptor as returned from KVM_CREATE_DEVICE 2210a6a7ccaSChristoffer Dall * @type: The device-ctrl ioctl number 2220a6a7ccaSChristoffer Dall * 2230a6a7ccaSChristoffer Dall * Returns: -errno on error, nonnegative on success 2240a6a7ccaSChristoffer Dall */ 2250a6a7ccaSChristoffer Dall int kvm_device_ioctl(int fd, int type, ...); 2260a6a7ccaSChristoffer Dall 2270a6a7ccaSChristoffer Dall /** 2280a6a7ccaSChristoffer Dall * kvm_create_device - create a KVM device for the device control API 2290a6a7ccaSChristoffer Dall * @KVMState: The KVMState pointer 2300a6a7ccaSChristoffer Dall * @type: The KVM device type (see Documentation/virtual/kvm/devices in the 2310a6a7ccaSChristoffer Dall * kernel source) 2320a6a7ccaSChristoffer Dall * @test: If true, only test if device can be created, but don't actually 2330a6a7ccaSChristoffer Dall * create the device. 2340a6a7ccaSChristoffer Dall * 2350a6a7ccaSChristoffer Dall * Returns: -errno on error, nonnegative on success: @test ? 0 : device fd; 2360a6a7ccaSChristoffer Dall */ 2370a6a7ccaSChristoffer Dall int kvm_create_device(KVMState *s, uint64_t type, bool test); 2380a6a7ccaSChristoffer Dall 2390a6a7ccaSChristoffer Dall 2409c17d615SPaolo Bonzini /* Arch specific hooks */ 2419c17d615SPaolo Bonzini 2429c17d615SPaolo Bonzini extern const KVMCapabilityInfo kvm_arch_required_capabilities[]; 2439c17d615SPaolo Bonzini 244501a7ce7SAndreas Färber void kvm_arch_pre_run(CPUState *cpu, struct kvm_run *run); 245501a7ce7SAndreas Färber void kvm_arch_post_run(CPUState *cpu, struct kvm_run *run); 2469c17d615SPaolo Bonzini 247501a7ce7SAndreas Färber int kvm_arch_handle_exit(CPUState *cpu, struct kvm_run *run); 2489c17d615SPaolo Bonzini 249501a7ce7SAndreas Färber int kvm_arch_process_async_events(CPUState *cpu); 2509c17d615SPaolo Bonzini 251501a7ce7SAndreas Färber int kvm_arch_get_registers(CPUState *cpu); 2529c17d615SPaolo Bonzini 2539c17d615SPaolo Bonzini /* state subset only touched by the VCPU itself during runtime */ 2549c17d615SPaolo Bonzini #define KVM_PUT_RUNTIME_STATE 1 2559c17d615SPaolo Bonzini /* state subset modified during VCPU reset */ 2569c17d615SPaolo Bonzini #define KVM_PUT_RESET_STATE 2 2579c17d615SPaolo Bonzini /* full state set, modified during initialization or on vmload */ 2589c17d615SPaolo Bonzini #define KVM_PUT_FULL_STATE 3 2599c17d615SPaolo Bonzini 260501a7ce7SAndreas Färber int kvm_arch_put_registers(CPUState *cpu, int level); 2619c17d615SPaolo Bonzini 262*b16565b3SMarcel Apfelbaum int kvm_arch_init(MachineState *ms, KVMState *s); 2639c17d615SPaolo Bonzini 264501a7ce7SAndreas Färber int kvm_arch_init_vcpu(CPUState *cpu); 2659c17d615SPaolo Bonzini 266b164e48eSEduardo Habkost /* Returns VCPU ID to be used on KVM_CREATE_VCPU ioctl() */ 267b164e48eSEduardo Habkost unsigned long kvm_arch_vcpu_id(CPUState *cpu); 268b164e48eSEduardo Habkost 269501a7ce7SAndreas Färber int kvm_arch_on_sigbus_vcpu(CPUState *cpu, int code, void *addr); 2709c17d615SPaolo Bonzini int kvm_arch_on_sigbus(int code, void *addr); 2719c17d615SPaolo Bonzini 2729c17d615SPaolo Bonzini void kvm_arch_init_irq_routing(KVMState *s); 2739c17d615SPaolo Bonzini 2749e03a040SFrank Blaschka int kvm_arch_fixup_msi_route(struct kvm_irq_routing_entry *route, 2759e03a040SFrank Blaschka uint64_t address, uint32_t data); 2769e03a040SFrank Blaschka 2779c17d615SPaolo Bonzini int kvm_set_irq(KVMState *s, int irq, int level); 2789c17d615SPaolo Bonzini int kvm_irqchip_send_msi(KVMState *s, MSIMessage msg); 2799c17d615SPaolo Bonzini 2809c17d615SPaolo Bonzini void kvm_irqchip_add_irq_route(KVMState *s, int gsi, int irqchip, int pin); 281cb925cf9SAlexander Graf void kvm_irqchip_commit_routes(KVMState *s); 2829c17d615SPaolo Bonzini 2839c17d615SPaolo Bonzini void kvm_put_apic_state(DeviceState *d, struct kvm_lapic_state *kapic); 2849c17d615SPaolo Bonzini void kvm_get_apic_state(DeviceState *d, struct kvm_lapic_state *kapic); 2859c17d615SPaolo Bonzini 2869c17d615SPaolo Bonzini struct kvm_guest_debug; 2879c17d615SPaolo Bonzini struct kvm_debug_exit_arch; 2889c17d615SPaolo Bonzini 2899c17d615SPaolo Bonzini struct kvm_sw_breakpoint { 2909c17d615SPaolo Bonzini target_ulong pc; 2919c17d615SPaolo Bonzini target_ulong saved_insn; 2929c17d615SPaolo Bonzini int use_count; 2939c17d615SPaolo Bonzini QTAILQ_ENTRY(kvm_sw_breakpoint) entry; 2949c17d615SPaolo Bonzini }; 2959c17d615SPaolo Bonzini 2969c17d615SPaolo Bonzini QTAILQ_HEAD(kvm_sw_breakpoint_head, kvm_sw_breakpoint); 2979c17d615SPaolo Bonzini 298501a7ce7SAndreas Färber struct kvm_sw_breakpoint *kvm_find_sw_breakpoint(CPUState *cpu, 2999c17d615SPaolo Bonzini target_ulong pc); 3009c17d615SPaolo Bonzini 301501a7ce7SAndreas Färber int kvm_sw_breakpoints_active(CPUState *cpu); 3029c17d615SPaolo Bonzini 30380b7cd73SAndreas Färber int kvm_arch_insert_sw_breakpoint(CPUState *cpu, 3049c17d615SPaolo Bonzini struct kvm_sw_breakpoint *bp); 30580b7cd73SAndreas Färber int kvm_arch_remove_sw_breakpoint(CPUState *cpu, 3069c17d615SPaolo Bonzini struct kvm_sw_breakpoint *bp); 3079c17d615SPaolo Bonzini int kvm_arch_insert_hw_breakpoint(target_ulong addr, 3089c17d615SPaolo Bonzini target_ulong len, int type); 3099c17d615SPaolo Bonzini int kvm_arch_remove_hw_breakpoint(target_ulong addr, 3109c17d615SPaolo Bonzini target_ulong len, int type); 3119c17d615SPaolo Bonzini void kvm_arch_remove_all_hw_breakpoints(void); 3129c17d615SPaolo Bonzini 313501a7ce7SAndreas Färber void kvm_arch_update_guest_debug(CPUState *cpu, struct kvm_guest_debug *dbg); 3149c17d615SPaolo Bonzini 315501a7ce7SAndreas Färber bool kvm_arch_stop_on_emulation_error(CPUState *cpu); 3169c17d615SPaolo Bonzini 3179c17d615SPaolo Bonzini int kvm_check_extension(KVMState *s, unsigned int extension); 3189c17d615SPaolo Bonzini 3197d0a07faSAlexander Graf int kvm_vm_check_extension(KVMState *s, unsigned int extension); 3207d0a07faSAlexander Graf 32140f1ee27SCornelia Huck #define kvm_vm_enable_cap(s, capability, cap_flags, ...) \ 32240f1ee27SCornelia Huck ({ \ 32340f1ee27SCornelia Huck struct kvm_enable_cap cap = { \ 32440f1ee27SCornelia Huck .cap = capability, \ 32540f1ee27SCornelia Huck .flags = cap_flags, \ 32640f1ee27SCornelia Huck }; \ 32740f1ee27SCornelia Huck uint64_t args_tmp[] = { __VA_ARGS__ }; \ 32840f1ee27SCornelia Huck int i; \ 32961c7bbd2SAlexander Graf for (i = 0; i < (int)ARRAY_SIZE(args_tmp) && \ 33040f1ee27SCornelia Huck i < ARRAY_SIZE(cap.args); i++) { \ 33140f1ee27SCornelia Huck cap.args[i] = args_tmp[i]; \ 33240f1ee27SCornelia Huck } \ 33340f1ee27SCornelia Huck kvm_vm_ioctl(s, KVM_ENABLE_CAP, &cap); \ 33440f1ee27SCornelia Huck }) 33540f1ee27SCornelia Huck 33640f1ee27SCornelia Huck #define kvm_vcpu_enable_cap(cpu, capability, cap_flags, ...) \ 33740f1ee27SCornelia Huck ({ \ 33840f1ee27SCornelia Huck struct kvm_enable_cap cap = { \ 33940f1ee27SCornelia Huck .cap = capability, \ 34040f1ee27SCornelia Huck .flags = cap_flags, \ 34140f1ee27SCornelia Huck }; \ 34240f1ee27SCornelia Huck uint64_t args_tmp[] = { __VA_ARGS__ }; \ 34340f1ee27SCornelia Huck int i; \ 34461c7bbd2SAlexander Graf for (i = 0; i < (int)ARRAY_SIZE(args_tmp) && \ 34540f1ee27SCornelia Huck i < ARRAY_SIZE(cap.args); i++) { \ 34640f1ee27SCornelia Huck cap.args[i] = args_tmp[i]; \ 34740f1ee27SCornelia Huck } \ 34840f1ee27SCornelia Huck kvm_vcpu_ioctl(cpu, KVM_ENABLE_CAP, &cap); \ 34940f1ee27SCornelia Huck }) 35040f1ee27SCornelia Huck 3519c17d615SPaolo Bonzini uint32_t kvm_arch_get_supported_cpuid(KVMState *env, uint32_t function, 3529c17d615SPaolo Bonzini uint32_t index, int reg); 35397577fd4SJames Hogan 354aed6efb9SJames Hogan void kvm_set_sigmask_len(KVMState *s, unsigned int sigmask_len); 355aed6efb9SJames Hogan 35697577fd4SJames Hogan #if !defined(CONFIG_USER_ONLY) 35797577fd4SJames Hogan int kvm_physical_memory_addr_from_host(KVMState *s, void *ram_addr, 35897577fd4SJames Hogan hwaddr *phys_addr); 35997577fd4SJames Hogan #endif 36097577fd4SJames Hogan 36197577fd4SJames Hogan #endif /* NEED_CPU_H */ 36297577fd4SJames Hogan 363dd1750d7SAndreas Färber void kvm_cpu_synchronize_state(CPUState *cpu); 36497577fd4SJames Hogan void kvm_cpu_synchronize_post_reset(CPUState *cpu); 36597577fd4SJames Hogan void kvm_cpu_synchronize_post_init(CPUState *cpu); 366de9d61e8SMarcelo Tosatti void kvm_cpu_clean_state(CPUState *cpu); 3679c17d615SPaolo Bonzini 3689c17d615SPaolo Bonzini /* generic hooks - to be moved/refactored once there are more users */ 3699c17d615SPaolo Bonzini 370cb446ecaSAndreas Färber static inline void cpu_synchronize_state(CPUState *cpu) 3719c17d615SPaolo Bonzini { 3729c17d615SPaolo Bonzini if (kvm_enabled()) { 373cb446ecaSAndreas Färber kvm_cpu_synchronize_state(cpu); 3749c17d615SPaolo Bonzini } 3759c17d615SPaolo Bonzini } 3769c17d615SPaolo Bonzini 3773f24a58fSIgor Mammedov static inline void cpu_synchronize_post_reset(CPUState *cpu) 3789c17d615SPaolo Bonzini { 3799c17d615SPaolo Bonzini if (kvm_enabled()) { 3803f24a58fSIgor Mammedov kvm_cpu_synchronize_post_reset(cpu); 3819c17d615SPaolo Bonzini } 3829c17d615SPaolo Bonzini } 3839c17d615SPaolo Bonzini 3843f24a58fSIgor Mammedov static inline void cpu_synchronize_post_init(CPUState *cpu) 3859c17d615SPaolo Bonzini { 3869c17d615SPaolo Bonzini if (kvm_enabled()) { 3873f24a58fSIgor Mammedov kvm_cpu_synchronize_post_init(cpu); 3889c17d615SPaolo Bonzini } 3899c17d615SPaolo Bonzini } 3909c17d615SPaolo Bonzini 391de9d61e8SMarcelo Tosatti static inline void cpu_clean_state(CPUState *cpu) 392de9d61e8SMarcelo Tosatti { 393de9d61e8SMarcelo Tosatti if (kvm_enabled()) { 394de9d61e8SMarcelo Tosatti kvm_cpu_clean_state(cpu); 395de9d61e8SMarcelo Tosatti } 396de9d61e8SMarcelo Tosatti } 397de9d61e8SMarcelo Tosatti 3989c17d615SPaolo Bonzini int kvm_irqchip_add_msi_route(KVMState *s, MSIMessage msg); 3999c17d615SPaolo Bonzini int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg); 4009c17d615SPaolo Bonzini void kvm_irqchip_release_virq(KVMState *s, int virq); 4019c17d615SPaolo Bonzini 402d426d9fbSCornelia Huck int kvm_irqchip_add_adapter_route(KVMState *s, AdapterInfo *adapter); 403d426d9fbSCornelia Huck 404ca916d37SVincenzo Maffione int kvm_irqchip_add_irqfd_notifier(KVMState *s, EventNotifier *n, 405ca916d37SVincenzo Maffione EventNotifier *rn, int virq); 4069c17d615SPaolo Bonzini int kvm_irqchip_remove_irqfd_notifier(KVMState *s, EventNotifier *n, int virq); 4079c17d615SPaolo Bonzini void kvm_pc_gsi_handler(void *opaque, int n, int level); 4089c17d615SPaolo Bonzini void kvm_pc_setup_irq_routing(bool pci_enabled); 4097b774593SAlexander Graf void kvm_init_irq_routing(KVMState *s); 410d6032e06SChristoffer Dall 411d6032e06SChristoffer Dall /** 412d6032e06SChristoffer Dall * kvm_arch_irqchip_create: 413d6032e06SChristoffer Dall * @KVMState: The KVMState pointer 414d6032e06SChristoffer Dall * 415d6032e06SChristoffer Dall * Allow architectures to create an in-kernel irq chip themselves. 416d6032e06SChristoffer Dall * 417d6032e06SChristoffer Dall * Returns: < 0: error 418d6032e06SChristoffer Dall * 0: irq chip was not created 419d6032e06SChristoffer Dall * > 0: irq chip was created 420d6032e06SChristoffer Dall */ 421d6032e06SChristoffer Dall int kvm_arch_irqchip_create(KVMState *s); 422ada4135fSCornelia Huck 423ada4135fSCornelia Huck /** 424ada4135fSCornelia Huck * kvm_set_one_reg - set a register value in KVM via KVM_SET_ONE_REG ioctl 425ada4135fSCornelia Huck * @id: The register ID 426ada4135fSCornelia Huck * @source: The pointer to the value to be set. It must point to a variable 427ada4135fSCornelia Huck * of the correct type/size for the register being accessed. 428ada4135fSCornelia Huck * 429ada4135fSCornelia Huck * Returns: 0 on success, or a negative errno on failure. 430ada4135fSCornelia Huck */ 431ada4135fSCornelia Huck int kvm_set_one_reg(CPUState *cs, uint64_t id, void *source); 432ada4135fSCornelia Huck 433ada4135fSCornelia Huck /** 434ada4135fSCornelia Huck * kvm_get_one_reg - get a register value from KVM via KVM_GET_ONE_REG ioctl 435ada4135fSCornelia Huck * @id: The register ID 436ada4135fSCornelia Huck * @target: The pointer where the value is to be stored. It must point to a 437ada4135fSCornelia Huck * variable of the correct type/size for the register being accessed. 438ada4135fSCornelia Huck * 439ada4135fSCornelia Huck * Returns: 0 on success, or a negative errno on failure. 440ada4135fSCornelia Huck */ 441ada4135fSCornelia Huck int kvm_get_one_reg(CPUState *cs, uint64_t id, void *target); 4429c17d615SPaolo Bonzini #endif 443