#endif
extern int kvm_allowed;
+extern bool kvm_kernel_irqchip;
+extern bool kvm_async_interrupts_allowed;
+extern bool kvm_irqfds_allowed;
+extern bool kvm_msi_via_irqfd_allowed;
+extern bool kvm_gsi_routing_allowed;
#if defined CONFIG_KVM || !defined NEED_CPU_H
-#define kvm_enabled() (kvm_allowed)
+#define kvm_enabled() (kvm_allowed)
+/**
+ * kvm_irqchip_in_kernel:
+ *
+ * Returns: true if the user asked us to create an in-kernel
+ * irqchip via the "kernel_irqchip=on" machine option.
+ * What this actually means is architecture and machine model
+ * specific: on PC, for instance, it means that the LAPIC,
+ * IOAPIC and PIT are all in kernel. This function should never
+ * be used from generic target-independent code: use one of the
+ * following functions or some other specific check instead.
+ */
+#define kvm_irqchip_in_kernel() (kvm_kernel_irqchip)
+
+/**
+ * kvm_async_interrupts_enabled:
+ *
+ * Returns: true if we can deliver interrupts to KVM
+ * asynchronously (ie by ioctl from any thread at any time)
+ * rather than having to do interrupt delivery synchronously
+ * (where the vcpu must be stopped at a suitable point first).
+ */
+#define kvm_async_interrupts_enabled() (kvm_async_interrupts_allowed)
+
+/**
+ * kvm_irqfds_enabled:
+ *
+ * Returns: true if we can use irqfds to inject interrupts into
+ * a KVM CPU (ie the kernel supports irqfds and we are running
+ * with a configuration where it is meaningful to use them).
+ */
+#define kvm_irqfds_enabled() (kvm_irqfds_allowed)
+
+/**
+ * kvm_msi_via_irqfd_enabled:
+ *
+ * Returns: true if we can route a PCI MSI (Message Signaled Interrupt)
+ * to a KVM CPU via an irqfd. This requires that the kernel supports
+ * this and that we're running in a configuration that permits it.
+ */
+#define kvm_msi_via_irqfd_enabled() (kvm_msi_via_irqfd_allowed)
+
+/**
+ * kvm_gsi_routing_enabled:
+ *
+ * Returns: true if GSI routing is enabled (ie the kernel supports
+ * it and we're running in a configuration that permits it).
+ */
+#define kvm_gsi_routing_enabled() (kvm_gsi_routing_allowed)
+
#else
-#define kvm_enabled() (0)
+#define kvm_enabled() (0)
+#define kvm_irqchip_in_kernel() (false)
+#define kvm_async_interrupts_enabled() (false)
+#define kvm_irqfds_enabled() (false)
+#define kvm_msi_via_irqfd_enabled() (false)
+#define kvm_gsi_routing_allowed() (false)
#endif
struct kvm_run;
#define KVM_CAP_INFO(CAP) { "KVM_CAP_" stringify(CAP), KVM_CAP_##CAP }
#define KVM_CAP_LAST_INFO { NULL, 0 }
+struct KVMState;
+typedef struct KVMState KVMState;
+extern KVMState *kvm_state;
+
/* external API */
int kvm_init(void);
int kvm_has_debugregs(void);
int kvm_has_xsave(void);
int kvm_has_xcrs(void);
+int kvm_has_pit_state2(void);
int kvm_has_many_ioeventfds(void);
int kvm_has_gsi_routing(void);
-
-int kvm_allows_irq0_override(void);
+int kvm_has_intx_set_mask(void);
#ifdef NEED_CPU_H
-int kvm_init_vcpu(CPUState *env);
+int kvm_init_vcpu(CPUArchState *env);
-int kvm_cpu_exec(CPUState *env);
+int kvm_cpu_exec(CPUArchState *env);
#if !defined(CONFIG_USER_ONLY)
+void *kvm_vmalloc(ram_addr_t size);
+void *kvm_arch_vmalloc(ram_addr_t size);
void kvm_setup_guest_memory(void *start, size_t size);
-int kvm_coalesce_mmio_region(target_phys_addr_t start, ram_addr_t size);
-int kvm_uncoalesce_mmio_region(target_phys_addr_t start, ram_addr_t size);
void kvm_flush_coalesced_mmio_buffer(void);
#endif
-int kvm_insert_breakpoint(CPUState *current_env, target_ulong addr,
+int kvm_insert_breakpoint(CPUArchState *current_env, target_ulong addr,
target_ulong len, int type);
-int kvm_remove_breakpoint(CPUState *current_env, target_ulong addr,
+int kvm_remove_breakpoint(CPUArchState *current_env, target_ulong addr,
target_ulong len, int type);
-void kvm_remove_all_breakpoints(CPUState *current_env);
-int kvm_update_guest_debug(CPUState *env, unsigned long reinject_trap);
+void kvm_remove_all_breakpoints(CPUArchState *current_env);
+int kvm_update_guest_debug(CPUArchState *env, unsigned long reinject_trap);
#ifndef _WIN32
-int kvm_set_signal_mask(CPUState *env, const sigset_t *sigset);
+int kvm_set_signal_mask(CPUArchState *env, const sigset_t *sigset);
#endif
-int kvm_pit_in_kernel(void);
-int kvm_irqchip_in_kernel(void);
-
-int kvm_on_sigbus_vcpu(CPUState *env, int code, void *addr);
+int kvm_on_sigbus_vcpu(CPUArchState *env, int code, void *addr);
int kvm_on_sigbus(int code, void *addr);
/* internal API */
-struct KVMState;
-typedef struct KVMState KVMState;
-extern KVMState *kvm_state;
-
int kvm_ioctl(KVMState *s, int type, ...);
int kvm_vm_ioctl(KVMState *s, int type, ...);
-int kvm_vcpu_ioctl(CPUState *env, int type, ...);
+int kvm_vcpu_ioctl(CPUArchState *env, int type, ...);
/* Arch specific hooks */
extern const KVMCapabilityInfo kvm_arch_required_capabilities[];
-void kvm_arch_pre_run(CPUState *env, struct kvm_run *run);
-void kvm_arch_post_run(CPUState *env, struct kvm_run *run);
+void kvm_arch_pre_run(CPUArchState *env, struct kvm_run *run);
+void kvm_arch_post_run(CPUArchState *env, struct kvm_run *run);
-int kvm_arch_handle_exit(CPUState *env, struct kvm_run *run);
+int kvm_arch_handle_exit(CPUArchState *env, struct kvm_run *run);
-int kvm_arch_process_async_events(CPUState *env);
+int kvm_arch_process_async_events(CPUArchState *env);
-int kvm_arch_get_registers(CPUState *env);
+int kvm_arch_get_registers(CPUArchState *env);
/* state subset only touched by the VCPU itself during runtime */
#define KVM_PUT_RUNTIME_STATE 1
/* full state set, modified during initialization or on vmload */
#define KVM_PUT_FULL_STATE 3
-int kvm_arch_put_registers(CPUState *env, int level);
+int kvm_arch_put_registers(CPUArchState *env, int level);
int kvm_arch_init(KVMState *s);
-int kvm_arch_init_vcpu(CPUState *env);
+int kvm_arch_init_vcpu(CPUArchState *env);
-void kvm_arch_reset_vcpu(CPUState *env);
+void kvm_arch_reset_vcpu(CPUArchState *env);
-int kvm_arch_on_sigbus_vcpu(CPUState *env, int code, void *addr);
+int kvm_arch_on_sigbus_vcpu(CPUArchState *env, int code, void *addr);
int kvm_arch_on_sigbus(int code, void *addr);
void kvm_arch_init_irq_routing(KVMState *s);
-int kvm_irqchip_set_irq(KVMState *s, int irq, int level);
+int kvm_set_irq(KVMState *s, int irq, int level);
+int kvm_irqchip_send_msi(KVMState *s, MSIMessage msg);
-void kvm_irqchip_add_route(KVMState *s, int gsi, int irqchip, int pin);
-int kvm_irqchip_commit_routes(KVMState *s);
+void kvm_irqchip_add_irq_route(KVMState *s, int gsi, int irqchip, int pin);
void kvm_put_apic_state(DeviceState *d, struct kvm_lapic_state *kapic);
void kvm_get_apic_state(DeviceState *d, struct kvm_lapic_state *kapic);
QTAILQ_HEAD(kvm_sw_breakpoint_head, kvm_sw_breakpoint);
-struct kvm_sw_breakpoint *kvm_find_sw_breakpoint(CPUState *env,
+struct kvm_sw_breakpoint *kvm_find_sw_breakpoint(CPUArchState *env,
target_ulong pc);
-int kvm_sw_breakpoints_active(CPUState *env);
+int kvm_sw_breakpoints_active(CPUArchState *env);
-int kvm_arch_insert_sw_breakpoint(CPUState *current_env,
+int kvm_arch_insert_sw_breakpoint(CPUArchState *current_env,
struct kvm_sw_breakpoint *bp);
-int kvm_arch_remove_sw_breakpoint(CPUState *current_env,
+int kvm_arch_remove_sw_breakpoint(CPUArchState *current_env,
struct kvm_sw_breakpoint *bp);
int kvm_arch_insert_hw_breakpoint(target_ulong addr,
target_ulong len, int type);
target_ulong len, int type);
void kvm_arch_remove_all_hw_breakpoints(void);
-void kvm_arch_update_guest_debug(CPUState *env, struct kvm_guest_debug *dbg);
+void kvm_arch_update_guest_debug(CPUArchState *env, struct kvm_guest_debug *dbg);
-bool kvm_arch_stop_on_emulation_error(CPUState *env);
+bool kvm_arch_stop_on_emulation_error(CPUArchState *env);
int kvm_check_extension(KVMState *s, unsigned int extension);
uint32_t kvm_arch_get_supported_cpuid(KVMState *env, uint32_t function,
uint32_t index, int reg);
-void kvm_cpu_synchronize_state(CPUState *env);
-void kvm_cpu_synchronize_post_reset(CPUState *env);
-void kvm_cpu_synchronize_post_init(CPUState *env);
+void kvm_cpu_synchronize_state(CPUArchState *env);
+void kvm_cpu_synchronize_post_reset(CPUArchState *env);
+void kvm_cpu_synchronize_post_init(CPUArchState *env);
/* generic hooks - to be moved/refactored once there are more users */
-static inline void cpu_synchronize_state(CPUState *env)
+static inline void cpu_synchronize_state(CPUArchState *env)
{
if (kvm_enabled()) {
kvm_cpu_synchronize_state(env);
}
}
-static inline void cpu_synchronize_post_reset(CPUState *env)
+static inline void cpu_synchronize_post_reset(CPUArchState *env)
{
if (kvm_enabled()) {
kvm_cpu_synchronize_post_reset(env);
}
}
-static inline void cpu_synchronize_post_init(CPUState *env)
+static inline void cpu_synchronize_post_init(CPUArchState *env)
{
if (kvm_enabled()) {
kvm_cpu_synchronize_post_init(env);
#if !defined(CONFIG_USER_ONLY)
int kvm_physical_memory_addr_from_host(KVMState *s, void *ram_addr,
- target_phys_addr_t *phys_addr);
+ hwaddr *phys_addr);
#endif
#endif
-int kvm_set_ioeventfd_mmio_long(int fd, uint32_t adr, uint32_t val, bool assign);
+int kvm_set_ioeventfd_mmio(int fd, uint32_t adr, uint32_t val, bool assign,
+ uint32_t size);
int kvm_set_ioeventfd_pio_word(int fd, uint16_t adr, uint16_t val, bool assign);
+
+int kvm_irqchip_add_msi_route(KVMState *s, MSIMessage msg);
+int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg);
+void kvm_irqchip_release_virq(KVMState *s, int virq);
+
+int kvm_irqchip_add_irqfd_notifier(KVMState *s, EventNotifier *n, int virq);
+int kvm_irqchip_remove_irqfd_notifier(KVMState *s, EventNotifier *n, int virq);
#endif
projects / mirror_qemu.git / blobdiff