typedef enum {V3_INVALID_INTR, V3_EXTERNAL_IRQ, V3_VIRTUAL_IRQ, V3_NMI, V3_SOFTWARE_INTR} v3_intr_type_t;
struct guest_info;
+struct v3_vm_info;
struct v3_interrupt;
+struct v3_irq {
+ uint32_t irq;
+
+ int (*ack)(struct guest_info * core, uint32_t irq, void * private_data);
+ void * private_data;
+};
+
+
struct v3_irq_hook {
- int (*handler)(struct guest_info * info, struct v3_interrupt * intr, void * priv_data);
+ int (*handler)(struct v3_vm_info * vm, struct v3_interrupt * intr, void * priv_data);
void * priv_data;
};
#define MAX_IRQ 256
+struct v3_intr_routers {
+ struct list_head router_list;
+ v3_lock_t irq_lock;
-struct v3_intr_state {
-
- struct list_head controller_list;
+ /* some way to get the [A]PIC intr */
+ struct v3_irq_hook * hooks[256];
+};
+struct v3_intr_core_state {
uint_t irq_pending;
uint_t irq_started;
uint_t irq_vector;
+ uint_t swintr_posted;
+ uint8_t swintr_vector;
+
uint8_t virq_map[MAX_IRQ / 8];
v3_lock_t irq_lock;
- /* some way to get the [A]PIC intr */
- struct v3_irq_hook * hooks[256];
-
+ struct list_head controller_list;
};
-void v3_init_interrupt_state(struct guest_info * info);
+void v3_init_intr_controllers(struct guest_info * core);
+void v3_init_intr_routers(struct v3_vm_info * vm);
+void v3_deinit_intr_controllers(struct guest_info * core);
+void v3_deinit_intr_routers(struct v3_vm_info * vm);
int v3_raise_virq(struct guest_info * info, int irq);
int v3_lower_virq(struct guest_info * info, int irq);
-int v3_raise_irq(struct guest_info * info, int irq);
-int v3_lower_irq(struct guest_info * info, int irq);
+int v3_raise_irq(struct v3_vm_info * vm, int irq);
+int v3_lower_irq(struct v3_vm_info * vm, int irq);
+
+/* The irq structure is passed by value to avoid confusion and
+ * the possibility that people will dynamically allocate memory for it
+ */
+int v3_raise_acked_irq(struct v3_vm_info * vm, struct v3_irq irq);
+int v3_lower_acked_irq(struct v3_vm_info * vm, struct v3_irq irq);
+
+int v3_raise_swintr(struct guest_info * core, uint8_t vector);
struct intr_ctrl_ops {
int (*intr_pending)(struct guest_info * info, void * private_data);
int (*get_intr_number)(struct guest_info * info, void * private_data);
- int (*raise_intr)(struct guest_info * info, void * private_data, int irq);
- int (*lower_intr)(struct guest_info * info, void * private_data, int irq);
int (*begin_irq)(struct guest_info * info, void * private_data, int irq);
};
+struct intr_router_ops {
+ int (*raise_intr)(struct v3_vm_info * vm, void * private_data, struct v3_irq * irq);
+ int (*lower_intr)(struct v3_vm_info * vm, void * private_data, struct v3_irq * irq);
+};
+
+void v3_clear_pending_intr(struct guest_info * core);
+
+void * v3_register_intr_controller(struct guest_info * info, struct intr_ctrl_ops * ops, void * priv_data);
+void * v3_register_intr_router(struct v3_vm_info * vm, struct intr_router_ops * ops, void * priv_data);
-void v3_register_intr_controller(struct guest_info * info, struct intr_ctrl_ops * ops, void * state);
+void v3_remove_intr_controller(struct guest_info * core, void * handle);
+void v3_remove_intr_router(struct v3_vm_info * vm, void * handle);
v3_intr_type_t v3_intr_pending(struct guest_info * info);
uint32_t v3_get_intr(struct guest_info * info);
+int v3_injecting_intr(struct guest_info * info, uint_t intr_num, v3_intr_type_t type);
-//intr_type_t v3_get_intr_type(struct guest_info * info);
-int v3_injecting_intr(struct guest_info * info, uint_t intr_num, v3_intr_type_t type);
/*
int start_irq(struct vm_intr * intr);
-int v3_hook_irq(struct guest_info * info,
+int v3_hook_irq(struct v3_vm_info * vm,
uint_t irq,
- int (*handler)(struct guest_info * info, struct v3_interrupt * intr, void * priv_data),
+ int (*handler)(struct v3_vm_info * vm, struct v3_interrupt * intr, void * priv_data),
void * priv_data);
-int v3_hook_passthrough_irq(struct guest_info *info, uint_t irq);
+int v3_hook_passthrough_irq(struct v3_vm_info * vm, uint_t irq);