extern bool kvm_allowed;
extern bool kvm_kernel_irqchip;
extern bool kvm_async_interrupts_allowed;
+extern bool kvm_halt_in_kernel_allowed;
extern bool kvm_irqfds_allowed;
extern bool kvm_msi_via_irqfd_allowed;
extern bool kvm_gsi_routing_allowed;
+extern bool kvm_gsi_direct_mapping;
+extern bool kvm_readonly_mem_allowed;
#if defined CONFIG_KVM || !defined NEED_CPU_H
#define kvm_enabled() (kvm_allowed)
*/
#define kvm_async_interrupts_enabled() (kvm_async_interrupts_allowed)
+/**
+ * kvm_halt_in_kernel
+ *
+ * Returns: true if halted cpus should still get a KVM_RUN ioctl to run
+ * inside of kernel space. This only works if MP state is implemented.
+ */
+#define kvm_halt_in_kernel() (kvm_halt_in_kernel_allowed)
+
/**
* kvm_irqfds_enabled:
*
*/
#define kvm_gsi_routing_enabled() (kvm_gsi_routing_allowed)
+/**
+ * kvm_gsi_direct_mapping:
+ *
+ * Returns: true if GSI direct mapping is enabled.
+ */
+#define kvm_gsi_direct_mapping() (kvm_gsi_direct_mapping)
+
+/**
+ * kvm_readonly_mem_enabled:
+ *
+ * Returns: true if KVM readonly memory is enabled (ie the kernel
+ * supports it and we're running in a configuration that permits it).
+ */
+#define kvm_readonly_mem_enabled() (kvm_readonly_mem_allowed)
+
#else
#define kvm_enabled() (0)
#define kvm_irqchip_in_kernel() (false)
#define kvm_async_interrupts_enabled() (false)
+#define kvm_halt_in_kernel() (false)
#define kvm_irqfds_enabled() (false)
#define kvm_msi_via_irqfd_enabled() (false)
#define kvm_gsi_routing_allowed() (false)
+#define kvm_gsi_direct_mapping() (false)
+#define kvm_readonly_mem_enabled() (false)
#endif
struct kvm_run;
/* external API */
-int kvm_init(void);
+int kvm_init(QEMUMachine *machine);
int kvm_has_sync_mmu(void);
int kvm_has_vcpu_events(void);
int kvm_has_intx_set_mask(void);
int kvm_init_vcpu(CPUState *cpu);
+int kvm_cpu_exec(CPUState *cpu);
#ifdef NEED_CPU_H
-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);
-
void kvm_flush_coalesced_mmio_buffer(void);
-#endif
-int kvm_insert_breakpoint(CPUArchState *current_env, target_ulong addr,
+int kvm_insert_breakpoint(CPUState *cpu, target_ulong addr,
target_ulong len, int type);
-int kvm_remove_breakpoint(CPUArchState *current_env, target_ulong addr,
+int kvm_remove_breakpoint(CPUState *cpu, target_ulong addr,
target_ulong len, int type);
-void kvm_remove_all_breakpoints(CPUArchState *current_env);
-int kvm_update_guest_debug(CPUArchState *env, unsigned long reinject_trap);
+void kvm_remove_all_breakpoints(CPUState *cpu);
+int kvm_update_guest_debug(CPUState *cpu, unsigned long reinject_trap);
#ifndef _WIN32
-int kvm_set_signal_mask(CPUArchState *env, const sigset_t *sigset);
+int kvm_set_signal_mask(CPUState *cpu, const sigset_t *sigset);
#endif
int kvm_on_sigbus_vcpu(CPUState *cpu, int code, void *addr);
int kvm_vcpu_ioctl(CPUState *cpu, int type, ...);
+/**
+ * kvm_device_ioctl - call an ioctl on a kvm device
+ * @fd: The KVM device file descriptor as returned from KVM_CREATE_DEVICE
+ * @type: The device-ctrl ioctl number
+ *
+ * Returns: -errno on error, nonnegative on success
+ */
+int kvm_device_ioctl(int fd, int type, ...);
+
+/**
+ * kvm_create_device - create a KVM device for the device control API
+ * @KVMState: The KVMState pointer
+ * @type: The KVM device type (see Documentation/virtual/kvm/devices in the
+ * kernel source)
+ * @test: If true, only test if device can be created, but don't actually
+ * create the device.
+ *
+ * Returns: -errno on error, nonnegative on success: @test ? 0 : device fd;
+ */
+int kvm_create_device(KVMState *s, uint64_t type, bool test);
+
+
/* Arch specific hooks */
extern const KVMCapabilityInfo kvm_arch_required_capabilities[];
int kvm_irqchip_send_msi(KVMState *s, MSIMessage msg);
void kvm_irqchip_add_irq_route(KVMState *s, int gsi, int irqchip, int pin);
+void kvm_irqchip_commit_routes(KVMState *s);
void kvm_put_apic_state(DeviceState *d, struct kvm_lapic_state *kapic);
void kvm_get_apic_state(DeviceState *d, struct kvm_lapic_state *kapic);
int kvm_sw_breakpoints_active(CPUState *cpu);
-int kvm_arch_insert_sw_breakpoint(CPUState *current_cpu,
+int kvm_arch_insert_sw_breakpoint(CPUState *cpu,
struct kvm_sw_breakpoint *bp);
-int kvm_arch_remove_sw_breakpoint(CPUState *current_cpu,
+int kvm_arch_remove_sw_breakpoint(CPUState *cpu,
struct kvm_sw_breakpoint *bp);
int kvm_arch_insert_hw_breakpoint(target_ulong addr,
target_ulong len, int type);
int kvm_check_extension(KVMState *s, unsigned int extension);
+#define kvm_vm_enable_cap(s, capability, cap_flags, ...) \
+ ({ \
+ struct kvm_enable_cap cap = { \
+ .cap = capability, \
+ .flags = cap_flags, \
+ }; \
+ uint64_t args_tmp[] = { __VA_ARGS__ }; \
+ int i; \
+ for (i = 0; i < ARRAY_SIZE(args_tmp) && \
+ i < ARRAY_SIZE(cap.args); i++) { \
+ cap.args[i] = args_tmp[i]; \
+ } \
+ kvm_vm_ioctl(s, KVM_ENABLE_CAP, &cap); \
+ })
+
+#define kvm_vcpu_enable_cap(cpu, capability, cap_flags, ...) \
+ ({ \
+ struct kvm_enable_cap cap = { \
+ .cap = capability, \
+ .flags = cap_flags, \
+ }; \
+ uint64_t args_tmp[] = { __VA_ARGS__ }; \
+ int i; \
+ for (i = 0; i < ARRAY_SIZE(args_tmp) && \
+ i < ARRAY_SIZE(cap.args); i++) { \
+ cap.args[i] = args_tmp[i]; \
+ } \
+ kvm_vcpu_ioctl(cpu, KVM_ENABLE_CAP, &cap); \
+ })
+
uint32_t kvm_arch_get_supported_cpuid(KVMState *env, uint32_t function,
uint32_t index, int reg);
-void kvm_cpu_synchronize_state(CPUArchState *env);
-void kvm_cpu_synchronize_post_reset(CPUArchState *env);
-void kvm_cpu_synchronize_post_init(CPUArchState *env);
+
+#if !defined(CONFIG_USER_ONLY)
+int kvm_physical_memory_addr_from_host(KVMState *s, void *ram_addr,
+ hwaddr *phys_addr);
+#endif
+
+#endif /* NEED_CPU_H */
+
+void kvm_cpu_synchronize_state(CPUState *cpu);
+void kvm_cpu_synchronize_post_reset(CPUState *cpu);
+void kvm_cpu_synchronize_post_init(CPUState *cpu);
/* generic hooks - to be moved/refactored once there are more users */
-static inline void cpu_synchronize_state(CPUArchState *env)
+static inline void cpu_synchronize_state(CPUState *cpu)
{
if (kvm_enabled()) {
- kvm_cpu_synchronize_state(env);
+ kvm_cpu_synchronize_state(cpu);
}
}
-static inline void cpu_synchronize_post_reset(CPUArchState *env)
+static inline void cpu_synchronize_post_reset(CPUState *cpu)
{
if (kvm_enabled()) {
- kvm_cpu_synchronize_post_reset(env);
+ kvm_cpu_synchronize_post_reset(cpu);
}
}
-static inline void cpu_synchronize_post_init(CPUArchState *env)
+static inline void cpu_synchronize_post_init(CPUState *cpu)
{
if (kvm_enabled()) {
- kvm_cpu_synchronize_post_init(env);
+ kvm_cpu_synchronize_post_init(cpu);
}
}
-
-#if !defined(CONFIG_USER_ONLY)
-int kvm_physical_memory_addr_from_host(KVMState *s, void *ram_addr,
- hwaddr *phys_addr);
-#endif
-
-#endif
-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_add_irqfd_notifier(KVMState *s, EventNotifier *n,
+ EventNotifier *rn, int virq);
int kvm_irqchip_remove_irqfd_notifier(KVMState *s, EventNotifier *n, int virq);
void kvm_pc_gsi_handler(void *opaque, int n, int level);
void kvm_pc_setup_irq_routing(bool pci_enabled);
+void kvm_init_irq_routing(KVMState *s);
+
+/**
+ * kvm_arch_irqchip_create:
+ * @KVMState: The KVMState pointer
+ *
+ * Allow architectures to create an in-kernel irq chip themselves.
+ *
+ * Returns: < 0: error
+ * 0: irq chip was not created
+ * > 0: irq chip was created
+ */
+int kvm_arch_irqchip_create(KVMState *s);
#endif
projects / qemu.git / blobdiff