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" 229c17d615SPaolo Bonzini 239c17d615SPaolo Bonzini #ifdef CONFIG_KVM 249c17d615SPaolo Bonzini #include <linux/kvm.h> 259c17d615SPaolo Bonzini #include <linux/kvm_para.h> 269ca58923SEduardo Habkost #else 279ca58923SEduardo Habkost /* These constants must never be used at runtime if kvm_enabled() is false. 289ca58923SEduardo Habkost * They exist so we don't need #ifdefs around KVM-specific code that already 299ca58923SEduardo Habkost * checks kvm_enabled() properly. 309ca58923SEduardo Habkost */ 319ca58923SEduardo Habkost #define KVM_CPUID_SIGNATURE 0 329ca58923SEduardo Habkost #define KVM_CPUID_FEATURES 0 339ca58923SEduardo Habkost #define KVM_FEATURE_CLOCKSOURCE 0 349ca58923SEduardo Habkost #define KVM_FEATURE_NOP_IO_DELAY 0 359ca58923SEduardo Habkost #define KVM_FEATURE_MMU_OP 0 369ca58923SEduardo Habkost #define KVM_FEATURE_CLOCKSOURCE2 0 379ca58923SEduardo Habkost #define KVM_FEATURE_ASYNC_PF 0 389ca58923SEduardo Habkost #define KVM_FEATURE_STEAL_TIME 0 399ca58923SEduardo Habkost #define KVM_FEATURE_PV_EOI 0 40d61a23baSEduardo Habkost #define KVM_FEATURE_CLOCKSOURCE_STABLE_BIT 0 419c17d615SPaolo Bonzini #endif 429c17d615SPaolo Bonzini 43d5286af5Sliguang extern bool kvm_allowed; 449c17d615SPaolo Bonzini extern bool kvm_kernel_irqchip; 459c17d615SPaolo Bonzini extern bool kvm_async_interrupts_allowed; 46215e79c0SAlexander Graf extern bool kvm_halt_in_kernel_allowed; 4769e03ae6SNikolay Nikolaev extern bool kvm_eventfds_allowed; 489c17d615SPaolo Bonzini extern bool kvm_irqfds_allowed; 49f41389aeSEric Auger extern bool kvm_resamplefds_allowed; 509c17d615SPaolo Bonzini extern bool kvm_msi_via_irqfd_allowed; 519c17d615SPaolo Bonzini extern bool kvm_gsi_routing_allowed; 5276fe21deSAlexey Kardashevskiy extern bool kvm_gsi_direct_mapping; 53df9c8b75SJordan Justen extern bool kvm_readonly_mem_allowed; 549c17d615SPaolo Bonzini 559c17d615SPaolo Bonzini #if defined CONFIG_KVM || !defined NEED_CPU_H 569c17d615SPaolo Bonzini #define kvm_enabled() (kvm_allowed) 579c17d615SPaolo Bonzini /** 589c17d615SPaolo Bonzini * kvm_irqchip_in_kernel: 599c17d615SPaolo Bonzini * 609c17d615SPaolo Bonzini * Returns: true if the user asked us to create an in-kernel 619c17d615SPaolo Bonzini * irqchip via the "kernel_irqchip=on" machine option. 629c17d615SPaolo Bonzini * What this actually means is architecture and machine model 639c17d615SPaolo Bonzini * specific: on PC, for instance, it means that the LAPIC, 649c17d615SPaolo Bonzini * IOAPIC and PIT are all in kernel. This function should never 659c17d615SPaolo Bonzini * be used from generic target-independent code: use one of the 669c17d615SPaolo Bonzini * following functions or some other specific check instead. 679c17d615SPaolo Bonzini */ 689c17d615SPaolo Bonzini #define kvm_irqchip_in_kernel() (kvm_kernel_irqchip) 699c17d615SPaolo Bonzini 709c17d615SPaolo Bonzini /** 719c17d615SPaolo Bonzini * kvm_async_interrupts_enabled: 729c17d615SPaolo Bonzini * 739c17d615SPaolo Bonzini * Returns: true if we can deliver interrupts to KVM 749c17d615SPaolo Bonzini * asynchronously (ie by ioctl from any thread at any time) 759c17d615SPaolo Bonzini * rather than having to do interrupt delivery synchronously 769c17d615SPaolo Bonzini * (where the vcpu must be stopped at a suitable point first). 779c17d615SPaolo Bonzini */ 789c17d615SPaolo Bonzini #define kvm_async_interrupts_enabled() (kvm_async_interrupts_allowed) 799c17d615SPaolo Bonzini 809c17d615SPaolo Bonzini /** 81215e79c0SAlexander Graf * kvm_halt_in_kernel 82215e79c0SAlexander Graf * 83215e79c0SAlexander Graf * Returns: true if halted cpus should still get a KVM_RUN ioctl to run 84215e79c0SAlexander Graf * inside of kernel space. This only works if MP state is implemented. 85215e79c0SAlexander Graf */ 86215e79c0SAlexander Graf #define kvm_halt_in_kernel() (kvm_halt_in_kernel_allowed) 87215e79c0SAlexander Graf 88215e79c0SAlexander Graf /** 8969e03ae6SNikolay Nikolaev * kvm_eventfds_enabled: 9069e03ae6SNikolay Nikolaev * 9169e03ae6SNikolay Nikolaev * Returns: true if we can use eventfds to receive notifications 9269e03ae6SNikolay Nikolaev * from a KVM CPU (ie the kernel supports eventds and we are running 9369e03ae6SNikolay Nikolaev * with a configuration where it is meaningful to use them). 9469e03ae6SNikolay Nikolaev */ 9569e03ae6SNikolay Nikolaev #define kvm_eventfds_enabled() (kvm_eventfds_allowed) 9669e03ae6SNikolay Nikolaev 9769e03ae6SNikolay Nikolaev /** 989c17d615SPaolo Bonzini * kvm_irqfds_enabled: 999c17d615SPaolo Bonzini * 1009c17d615SPaolo Bonzini * Returns: true if we can use irqfds to inject interrupts into 1019c17d615SPaolo Bonzini * a KVM CPU (ie the kernel supports irqfds and we are running 1029c17d615SPaolo Bonzini * with a configuration where it is meaningful to use them). 1039c17d615SPaolo Bonzini */ 1049c17d615SPaolo Bonzini #define kvm_irqfds_enabled() (kvm_irqfds_allowed) 1059c17d615SPaolo Bonzini 1069c17d615SPaolo Bonzini /** 107f41389aeSEric Auger * kvm_resamplefds_enabled: 108f41389aeSEric Auger * 109f41389aeSEric Auger * Returns: true if we can use resamplefds to inject interrupts into 110f41389aeSEric Auger * a KVM CPU (ie the kernel supports resamplefds and we are running 111f41389aeSEric Auger * with a configuration where it is meaningful to use them). 112f41389aeSEric Auger */ 113f41389aeSEric Auger #define kvm_resamplefds_enabled() (kvm_resamplefds_allowed) 114f41389aeSEric Auger 115f41389aeSEric Auger /** 1169c17d615SPaolo Bonzini * kvm_msi_via_irqfd_enabled: 1179c17d615SPaolo Bonzini * 1189c17d615SPaolo Bonzini * Returns: true if we can route a PCI MSI (Message Signaled Interrupt) 1199c17d615SPaolo Bonzini * to a KVM CPU via an irqfd. This requires that the kernel supports 1209c17d615SPaolo Bonzini * this and that we're running in a configuration that permits it. 1219c17d615SPaolo Bonzini */ 1229c17d615SPaolo Bonzini #define kvm_msi_via_irqfd_enabled() (kvm_msi_via_irqfd_allowed) 1239c17d615SPaolo Bonzini 1249c17d615SPaolo Bonzini /** 1259c17d615SPaolo Bonzini * kvm_gsi_routing_enabled: 1269c17d615SPaolo Bonzini * 1279c17d615SPaolo Bonzini * Returns: true if GSI routing is enabled (ie the kernel supports 1289c17d615SPaolo Bonzini * it and we're running in a configuration that permits it). 1299c17d615SPaolo Bonzini */ 1309c17d615SPaolo Bonzini #define kvm_gsi_routing_enabled() (kvm_gsi_routing_allowed) 1319c17d615SPaolo Bonzini 132df9c8b75SJordan Justen /** 13376fe21deSAlexey Kardashevskiy * kvm_gsi_direct_mapping: 13476fe21deSAlexey Kardashevskiy * 13576fe21deSAlexey Kardashevskiy * Returns: true if GSI direct mapping is enabled. 13676fe21deSAlexey Kardashevskiy */ 13776fe21deSAlexey Kardashevskiy #define kvm_gsi_direct_mapping() (kvm_gsi_direct_mapping) 13876fe21deSAlexey Kardashevskiy 13976fe21deSAlexey Kardashevskiy /** 140df9c8b75SJordan Justen * kvm_readonly_mem_enabled: 141df9c8b75SJordan Justen * 142df9c8b75SJordan Justen * Returns: true if KVM readonly memory is enabled (ie the kernel 143df9c8b75SJordan Justen * supports it and we're running in a configuration that permits it). 144df9c8b75SJordan Justen */ 145df9c8b75SJordan Justen #define kvm_readonly_mem_enabled() (kvm_readonly_mem_allowed) 146df9c8b75SJordan Justen 1479c17d615SPaolo Bonzini #else 1489c17d615SPaolo Bonzini #define kvm_enabled() (0) 1499c17d615SPaolo Bonzini #define kvm_irqchip_in_kernel() (false) 1509c17d615SPaolo Bonzini #define kvm_async_interrupts_enabled() (false) 151215e79c0SAlexander Graf #define kvm_halt_in_kernel() (false) 15269e03ae6SNikolay Nikolaev #define kvm_eventfds_enabled() (false) 1539c17d615SPaolo Bonzini #define kvm_irqfds_enabled() (false) 1549c17d615SPaolo Bonzini #define kvm_msi_via_irqfd_enabled() (false) 1559c17d615SPaolo Bonzini #define kvm_gsi_routing_allowed() (false) 15676fe21deSAlexey Kardashevskiy #define kvm_gsi_direct_mapping() (false) 157df9c8b75SJordan Justen #define kvm_readonly_mem_enabled() (false) 1589c17d615SPaolo Bonzini #endif 1599c17d615SPaolo Bonzini 1609c17d615SPaolo Bonzini struct kvm_run; 1619c17d615SPaolo Bonzini struct kvm_lapic_state; 1629e03a040SFrank Blaschka struct kvm_irq_routing_entry; 1639c17d615SPaolo Bonzini 1649c17d615SPaolo Bonzini typedef struct KVMCapabilityInfo { 1659c17d615SPaolo Bonzini const char *name; 1669c17d615SPaolo Bonzini int value; 1679c17d615SPaolo Bonzini } KVMCapabilityInfo; 1689c17d615SPaolo Bonzini 1699c17d615SPaolo Bonzini #define KVM_CAP_INFO(CAP) { "KVM_CAP_" stringify(CAP), KVM_CAP_##CAP } 1709c17d615SPaolo Bonzini #define KVM_CAP_LAST_INFO { NULL, 0 } 1719c17d615SPaolo Bonzini 1729c17d615SPaolo Bonzini struct KVMState; 1739c17d615SPaolo Bonzini typedef struct KVMState KVMState; 1749c17d615SPaolo Bonzini extern KVMState *kvm_state; 1759c17d615SPaolo Bonzini 1769c17d615SPaolo Bonzini /* external API */ 1779c17d615SPaolo Bonzini 178b8865591SIgor Mammedov bool kvm_has_free_slot(MachineState *ms); 1799c17d615SPaolo Bonzini int kvm_has_sync_mmu(void); 1809c17d615SPaolo Bonzini int kvm_has_vcpu_events(void); 1819c17d615SPaolo Bonzini int kvm_has_robust_singlestep(void); 1829c17d615SPaolo Bonzini int kvm_has_debugregs(void); 1839c17d615SPaolo Bonzini int kvm_has_xsave(void); 1849c17d615SPaolo Bonzini int kvm_has_xcrs(void); 1859c17d615SPaolo Bonzini int kvm_has_pit_state2(void); 1869c17d615SPaolo Bonzini int kvm_has_many_ioeventfds(void); 1879c17d615SPaolo Bonzini int kvm_has_gsi_routing(void); 1889c17d615SPaolo Bonzini int kvm_has_intx_set_mask(void); 1899c17d615SPaolo Bonzini 190504134d2SAndreas Färber int kvm_init_vcpu(CPUState *cpu); 1911458c363SAndreas Färber int kvm_cpu_exec(CPUState *cpu); 1929c17d615SPaolo Bonzini 193504134d2SAndreas Färber #ifdef NEED_CPU_H 1949c17d615SPaolo Bonzini 195c4cfef5eSIgor Mammedov void kvm_setup_guest_memory(void *start, size_t size); 196c4cfef5eSIgor Mammedov void kvm_flush_coalesced_mmio_buffer(void); 197c4cfef5eSIgor Mammedov 19862278814SAndreas Färber int kvm_insert_breakpoint(CPUState *cpu, target_ulong addr, 1999c17d615SPaolo Bonzini target_ulong len, int type); 20062278814SAndreas Färber int kvm_remove_breakpoint(CPUState *cpu, target_ulong addr, 2019c17d615SPaolo Bonzini target_ulong len, int type); 2021d5791f4SAndreas Färber void kvm_remove_all_breakpoints(CPUState *cpu); 20338e478ecSStefan Weil int kvm_update_guest_debug(CPUState *cpu, unsigned long reinject_trap); 2049c17d615SPaolo Bonzini #ifndef _WIN32 205491d6e80SAndreas Färber int kvm_set_signal_mask(CPUState *cpu, const sigset_t *sigset); 2069c17d615SPaolo Bonzini #endif 2079c17d615SPaolo Bonzini 208290adf38SAndreas Färber int kvm_on_sigbus_vcpu(CPUState *cpu, int code, void *addr); 2099c17d615SPaolo Bonzini int kvm_on_sigbus(int code, void *addr); 2109c17d615SPaolo Bonzini 2119c17d615SPaolo Bonzini /* internal API */ 2129c17d615SPaolo Bonzini 2139c17d615SPaolo Bonzini int kvm_ioctl(KVMState *s, int type, ...); 2149c17d615SPaolo Bonzini 2159c17d615SPaolo Bonzini int kvm_vm_ioctl(KVMState *s, int type, ...); 2169c17d615SPaolo Bonzini 217501a7ce7SAndreas Färber int kvm_vcpu_ioctl(CPUState *cpu, int type, ...); 2189c17d615SPaolo Bonzini 2190a6a7ccaSChristoffer Dall /** 2200a6a7ccaSChristoffer Dall * kvm_device_ioctl - call an ioctl on a kvm device 2210a6a7ccaSChristoffer Dall * @fd: The KVM device file descriptor as returned from KVM_CREATE_DEVICE 2220a6a7ccaSChristoffer Dall * @type: The device-ctrl ioctl number 2230a6a7ccaSChristoffer Dall * 2240a6a7ccaSChristoffer Dall * Returns: -errno on error, nonnegative on success 2250a6a7ccaSChristoffer Dall */ 2260a6a7ccaSChristoffer Dall int kvm_device_ioctl(int fd, int type, ...); 2270a6a7ccaSChristoffer Dall 2280a6a7ccaSChristoffer Dall /** 229d0a073a1SDominik Dingel * kvm_vm_check_attr - check for existence of a specific vm attribute 230d0a073a1SDominik Dingel * @s: The KVMState pointer 231d0a073a1SDominik Dingel * @group: the group 232d0a073a1SDominik Dingel * @attr: the attribute of that group to query for 233d0a073a1SDominik Dingel * 234d0a073a1SDominik Dingel * Returns: 1 if the attribute exists 235d0a073a1SDominik Dingel * 0 if the attribute either does not exist or if the vm device 236d0a073a1SDominik Dingel * interface is unavailable 237d0a073a1SDominik Dingel */ 238d0a073a1SDominik Dingel int kvm_vm_check_attr(KVMState *s, uint32_t group, uint64_t attr); 239d0a073a1SDominik Dingel 240d0a073a1SDominik Dingel /** 2410a6a7ccaSChristoffer Dall * kvm_create_device - create a KVM device for the device control API 2420a6a7ccaSChristoffer Dall * @KVMState: The KVMState pointer 2430a6a7ccaSChristoffer Dall * @type: The KVM device type (see Documentation/virtual/kvm/devices in the 2440a6a7ccaSChristoffer Dall * kernel source) 2450a6a7ccaSChristoffer Dall * @test: If true, only test if device can be created, but don't actually 2460a6a7ccaSChristoffer Dall * create the device. 2470a6a7ccaSChristoffer Dall * 2480a6a7ccaSChristoffer Dall * Returns: -errno on error, nonnegative on success: @test ? 0 : device fd; 2490a6a7ccaSChristoffer Dall */ 2500a6a7ccaSChristoffer Dall int kvm_create_device(KVMState *s, uint64_t type, bool test); 2510a6a7ccaSChristoffer Dall 2520a6a7ccaSChristoffer Dall 2539c17d615SPaolo Bonzini /* Arch specific hooks */ 2549c17d615SPaolo Bonzini 2559c17d615SPaolo Bonzini extern const KVMCapabilityInfo kvm_arch_required_capabilities[]; 2569c17d615SPaolo Bonzini 257501a7ce7SAndreas Färber void kvm_arch_pre_run(CPUState *cpu, struct kvm_run *run); 2584c663752SPaolo Bonzini MemTxAttrs kvm_arch_post_run(CPUState *cpu, struct kvm_run *run); 2599c17d615SPaolo Bonzini 260501a7ce7SAndreas Färber int kvm_arch_handle_exit(CPUState *cpu, struct kvm_run *run); 2619c17d615SPaolo Bonzini 262501a7ce7SAndreas Färber int kvm_arch_process_async_events(CPUState *cpu); 2639c17d615SPaolo Bonzini 264501a7ce7SAndreas Färber int kvm_arch_get_registers(CPUState *cpu); 2659c17d615SPaolo Bonzini 2669c17d615SPaolo Bonzini /* state subset only touched by the VCPU itself during runtime */ 2679c17d615SPaolo Bonzini #define KVM_PUT_RUNTIME_STATE 1 2689c17d615SPaolo Bonzini /* state subset modified during VCPU reset */ 2699c17d615SPaolo Bonzini #define KVM_PUT_RESET_STATE 2 2709c17d615SPaolo Bonzini /* full state set, modified during initialization or on vmload */ 2719c17d615SPaolo Bonzini #define KVM_PUT_FULL_STATE 3 2729c17d615SPaolo Bonzini 273501a7ce7SAndreas Färber int kvm_arch_put_registers(CPUState *cpu, int level); 2749c17d615SPaolo Bonzini 275b16565b3SMarcel Apfelbaum int kvm_arch_init(MachineState *ms, KVMState *s); 2769c17d615SPaolo Bonzini 277501a7ce7SAndreas Färber int kvm_arch_init_vcpu(CPUState *cpu); 2789c17d615SPaolo Bonzini 279b164e48eSEduardo Habkost /* Returns VCPU ID to be used on KVM_CREATE_VCPU ioctl() */ 280b164e48eSEduardo Habkost unsigned long kvm_arch_vcpu_id(CPUState *cpu); 281b164e48eSEduardo Habkost 282501a7ce7SAndreas Färber int kvm_arch_on_sigbus_vcpu(CPUState *cpu, int code, void *addr); 2839c17d615SPaolo Bonzini int kvm_arch_on_sigbus(int code, void *addr); 2849c17d615SPaolo Bonzini 2859c17d615SPaolo Bonzini void kvm_arch_init_irq_routing(KVMState *s); 2869c17d615SPaolo Bonzini 2879e03a040SFrank Blaschka int kvm_arch_fixup_msi_route(struct kvm_irq_routing_entry *route, 2889e03a040SFrank Blaschka uint64_t address, uint32_t data); 2899e03a040SFrank Blaschka 2901850b6b7SEric Auger int kvm_arch_msi_data_to_gsi(uint32_t data); 2911850b6b7SEric Auger 2929c17d615SPaolo Bonzini int kvm_set_irq(KVMState *s, int irq, int level); 2939c17d615SPaolo Bonzini int kvm_irqchip_send_msi(KVMState *s, MSIMessage msg); 2949c17d615SPaolo Bonzini 2959c17d615SPaolo Bonzini void kvm_irqchip_add_irq_route(KVMState *s, int gsi, int irqchip, int pin); 296cb925cf9SAlexander Graf void kvm_irqchip_commit_routes(KVMState *s); 2979c17d615SPaolo Bonzini 2989c17d615SPaolo Bonzini void kvm_put_apic_state(DeviceState *d, struct kvm_lapic_state *kapic); 2999c17d615SPaolo Bonzini void kvm_get_apic_state(DeviceState *d, struct kvm_lapic_state *kapic); 3009c17d615SPaolo Bonzini 3019c17d615SPaolo Bonzini struct kvm_guest_debug; 3029c17d615SPaolo Bonzini struct kvm_debug_exit_arch; 3039c17d615SPaolo Bonzini 3049c17d615SPaolo Bonzini struct kvm_sw_breakpoint { 3059c17d615SPaolo Bonzini target_ulong pc; 3069c17d615SPaolo Bonzini target_ulong saved_insn; 3079c17d615SPaolo Bonzini int use_count; 3089c17d615SPaolo Bonzini QTAILQ_ENTRY(kvm_sw_breakpoint) entry; 3099c17d615SPaolo Bonzini }; 3109c17d615SPaolo Bonzini 3119c17d615SPaolo Bonzini QTAILQ_HEAD(kvm_sw_breakpoint_head, kvm_sw_breakpoint); 3129c17d615SPaolo Bonzini 313501a7ce7SAndreas Färber struct kvm_sw_breakpoint *kvm_find_sw_breakpoint(CPUState *cpu, 3149c17d615SPaolo Bonzini target_ulong pc); 3159c17d615SPaolo Bonzini 316501a7ce7SAndreas Färber int kvm_sw_breakpoints_active(CPUState *cpu); 3179c17d615SPaolo Bonzini 31880b7cd73SAndreas Färber int kvm_arch_insert_sw_breakpoint(CPUState *cpu, 3199c17d615SPaolo Bonzini struct kvm_sw_breakpoint *bp); 32080b7cd73SAndreas Färber int kvm_arch_remove_sw_breakpoint(CPUState *cpu, 3219c17d615SPaolo Bonzini struct kvm_sw_breakpoint *bp); 3229c17d615SPaolo Bonzini int kvm_arch_insert_hw_breakpoint(target_ulong addr, 3239c17d615SPaolo Bonzini target_ulong len, int type); 3249c17d615SPaolo Bonzini int kvm_arch_remove_hw_breakpoint(target_ulong addr, 3259c17d615SPaolo Bonzini target_ulong len, int type); 3269c17d615SPaolo Bonzini void kvm_arch_remove_all_hw_breakpoints(void); 3279c17d615SPaolo Bonzini 328501a7ce7SAndreas Färber void kvm_arch_update_guest_debug(CPUState *cpu, struct kvm_guest_debug *dbg); 3299c17d615SPaolo Bonzini 330501a7ce7SAndreas Färber bool kvm_arch_stop_on_emulation_error(CPUState *cpu); 3319c17d615SPaolo Bonzini 3329c17d615SPaolo Bonzini int kvm_check_extension(KVMState *s, unsigned int extension); 3339c17d615SPaolo Bonzini 3347d0a07faSAlexander Graf int kvm_vm_check_extension(KVMState *s, unsigned int extension); 3357d0a07faSAlexander Graf 33640f1ee27SCornelia Huck #define kvm_vm_enable_cap(s, 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_vm_ioctl(s, KVM_ENABLE_CAP, &cap); \ 34940f1ee27SCornelia Huck }) 35040f1ee27SCornelia Huck 35140f1ee27SCornelia Huck #define kvm_vcpu_enable_cap(cpu, capability, cap_flags, ...) \ 35240f1ee27SCornelia Huck ({ \ 35340f1ee27SCornelia Huck struct kvm_enable_cap cap = { \ 35440f1ee27SCornelia Huck .cap = capability, \ 35540f1ee27SCornelia Huck .flags = cap_flags, \ 35640f1ee27SCornelia Huck }; \ 35740f1ee27SCornelia Huck uint64_t args_tmp[] = { __VA_ARGS__ }; \ 35840f1ee27SCornelia Huck int i; \ 35961c7bbd2SAlexander Graf for (i = 0; i < (int)ARRAY_SIZE(args_tmp) && \ 36040f1ee27SCornelia Huck i < ARRAY_SIZE(cap.args); i++) { \ 36140f1ee27SCornelia Huck cap.args[i] = args_tmp[i]; \ 36240f1ee27SCornelia Huck } \ 36340f1ee27SCornelia Huck kvm_vcpu_ioctl(cpu, KVM_ENABLE_CAP, &cap); \ 36440f1ee27SCornelia Huck }) 36540f1ee27SCornelia Huck 3669c17d615SPaolo Bonzini uint32_t kvm_arch_get_supported_cpuid(KVMState *env, uint32_t function, 3679c17d615SPaolo Bonzini uint32_t index, int reg); 36897577fd4SJames Hogan 369aed6efb9SJames Hogan void kvm_set_sigmask_len(KVMState *s, unsigned int sigmask_len); 370aed6efb9SJames Hogan 37197577fd4SJames Hogan #if !defined(CONFIG_USER_ONLY) 37297577fd4SJames Hogan int kvm_physical_memory_addr_from_host(KVMState *s, void *ram_addr, 37397577fd4SJames Hogan hwaddr *phys_addr); 37497577fd4SJames Hogan #endif 37597577fd4SJames Hogan 37697577fd4SJames Hogan #endif /* NEED_CPU_H */ 37797577fd4SJames Hogan 378dd1750d7SAndreas Färber void kvm_cpu_synchronize_state(CPUState *cpu); 37997577fd4SJames Hogan void kvm_cpu_synchronize_post_reset(CPUState *cpu); 38097577fd4SJames Hogan void kvm_cpu_synchronize_post_init(CPUState *cpu); 381de9d61e8SMarcelo Tosatti void kvm_cpu_clean_state(CPUState *cpu); 3829c17d615SPaolo Bonzini 3839c17d615SPaolo Bonzini /* generic hooks - to be moved/refactored once there are more users */ 3849c17d615SPaolo Bonzini 385cb446ecaSAndreas Färber static inline void cpu_synchronize_state(CPUState *cpu) 3869c17d615SPaolo Bonzini { 3879c17d615SPaolo Bonzini if (kvm_enabled()) { 388cb446ecaSAndreas Färber kvm_cpu_synchronize_state(cpu); 3899c17d615SPaolo Bonzini } 3909c17d615SPaolo Bonzini } 3919c17d615SPaolo Bonzini 3923f24a58fSIgor Mammedov static inline void cpu_synchronize_post_reset(CPUState *cpu) 3939c17d615SPaolo Bonzini { 3949c17d615SPaolo Bonzini if (kvm_enabled()) { 3953f24a58fSIgor Mammedov kvm_cpu_synchronize_post_reset(cpu); 3969c17d615SPaolo Bonzini } 3979c17d615SPaolo Bonzini } 3989c17d615SPaolo Bonzini 3993f24a58fSIgor Mammedov static inline void cpu_synchronize_post_init(CPUState *cpu) 4009c17d615SPaolo Bonzini { 4019c17d615SPaolo Bonzini if (kvm_enabled()) { 4023f24a58fSIgor Mammedov kvm_cpu_synchronize_post_init(cpu); 4039c17d615SPaolo Bonzini } 4049c17d615SPaolo Bonzini } 4059c17d615SPaolo Bonzini 406de9d61e8SMarcelo Tosatti static inline void cpu_clean_state(CPUState *cpu) 407de9d61e8SMarcelo Tosatti { 408de9d61e8SMarcelo Tosatti if (kvm_enabled()) { 409de9d61e8SMarcelo Tosatti kvm_cpu_clean_state(cpu); 410de9d61e8SMarcelo Tosatti } 411de9d61e8SMarcelo Tosatti } 412de9d61e8SMarcelo Tosatti 4139c17d615SPaolo Bonzini int kvm_irqchip_add_msi_route(KVMState *s, MSIMessage msg); 4149c17d615SPaolo Bonzini int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg); 4159c17d615SPaolo Bonzini void kvm_irqchip_release_virq(KVMState *s, int virq); 4169c17d615SPaolo Bonzini 417d426d9fbSCornelia Huck int kvm_irqchip_add_adapter_route(KVMState *s, AdapterInfo *adapter); 418d426d9fbSCornelia Huck 419*1c9b71a7SEric Auger int kvm_irqchip_add_irqfd_notifier_gsi(KVMState *s, EventNotifier *n, 420ca916d37SVincenzo Maffione EventNotifier *rn, int virq); 421*1c9b71a7SEric Auger int kvm_irqchip_remove_irqfd_notifier_gsi(KVMState *s, EventNotifier *n, 422*1c9b71a7SEric Auger int virq); 4239c17d615SPaolo Bonzini void kvm_pc_gsi_handler(void *opaque, int n, int level); 4249c17d615SPaolo Bonzini void kvm_pc_setup_irq_routing(bool pci_enabled); 4257b774593SAlexander Graf void kvm_init_irq_routing(KVMState *s); 426d6032e06SChristoffer Dall 427d6032e06SChristoffer Dall /** 428d6032e06SChristoffer Dall * kvm_arch_irqchip_create: 429d6032e06SChristoffer Dall * @KVMState: The KVMState pointer 430d6032e06SChristoffer Dall * 431d6032e06SChristoffer Dall * Allow architectures to create an in-kernel irq chip themselves. 432d6032e06SChristoffer Dall * 433d6032e06SChristoffer Dall * Returns: < 0: error 434d6032e06SChristoffer Dall * 0: irq chip was not created 435d6032e06SChristoffer Dall * > 0: irq chip was created 436d6032e06SChristoffer Dall */ 437d6032e06SChristoffer Dall int kvm_arch_irqchip_create(KVMState *s); 438ada4135fSCornelia Huck 439ada4135fSCornelia Huck /** 440ada4135fSCornelia Huck * kvm_set_one_reg - set a register value in KVM via KVM_SET_ONE_REG ioctl 441ada4135fSCornelia Huck * @id: The register ID 442ada4135fSCornelia Huck * @source: The pointer to the value to be set. It must point to a variable 443ada4135fSCornelia Huck * of the correct type/size for the register being accessed. 444ada4135fSCornelia Huck * 445ada4135fSCornelia Huck * Returns: 0 on success, or a negative errno on failure. 446ada4135fSCornelia Huck */ 447ada4135fSCornelia Huck int kvm_set_one_reg(CPUState *cs, uint64_t id, void *source); 448ada4135fSCornelia Huck 449ada4135fSCornelia Huck /** 450ada4135fSCornelia Huck * kvm_get_one_reg - get a register value from KVM via KVM_GET_ONE_REG ioctl 451ada4135fSCornelia Huck * @id: The register ID 452ada4135fSCornelia Huck * @target: The pointer where the value is to be stored. It must point to a 453ada4135fSCornelia Huck * variable of the correct type/size for the register being accessed. 454ada4135fSCornelia Huck * 455ada4135fSCornelia Huck * Returns: 0 on success, or a negative errno on failure. 456ada4135fSCornelia Huck */ 457ada4135fSCornelia Huck int kvm_get_one_reg(CPUState *cs, uint64_t id, void *target); 4589c17d615SPaolo Bonzini #endif 459