X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Finclude%2Fpalacios%2Fvmm_intr.h;h=fb3f667d87ddd73b7237d61d2b808d8df0bfe767;hb=fa7a42a55338e5fa49ec760b367225ca752df4fd;hp=209a7a10c55cd1a2199dc881f25e9b225fc5c667;hpb=1ca13097c7c85318c400c3811ccbb54ac6c619f1;p=palacios.git diff --git a/palacios/include/palacios/vmm_intr.h b/palacios/include/palacios/vmm_intr.h index 209a7a1..fb3f667 100644 --- a/palacios/include/palacios/vmm_intr.h +++ b/palacios/include/palacios/vmm_intr.h @@ -1,6 +1,7 @@ -#ifndef __VMM_INTR_H -#define __VMM_INTR_H +#ifndef __VMM_INTR_H_ +#define __VMM_INTR_H_ +#include #include #define DE_EXCEPTION 0x00 @@ -24,27 +25,60 @@ #define SX_EXCEPTION 0x1e -typedef enum {INVALID_INTR, EXTERNAL_IRQ, NMI, EXCEPTION, SOFTWARE, VIRTUAL} intr_types_t; +typedef enum {INVALID_INTR, EXTERNAL_IRQ, NMI, EXCEPTION, SOFTWARE_INTR, VIRTUAL_INTR} intr_type_t; struct guest_info; + + +/* We need a way to allow the APIC/PIC to decide when they are supposed to receive interrupts... + * Maybe a notification call when they have been turned on, to deliver irqs to them... + * We can rehook the guest raise_irq op, to the appropriate controller + */ + + struct vm_intr { + + /* We need to rework the exception state, to handle stacking */ uint_t excp_pending; uint_t excp_num; + uint_t excp_error_code_valid : 1; uint_t excp_error_code; + struct intr_ctrl_ops * controller; + void * controller_state; + /* some way to get the [A]PIC intr */ }; -void init_interrupt_state(struct vm_intr * state); +int v3_raise_irq(struct guest_info * info, int irq); +int hook_irq(struct guest_info * info, int irq); + +struct intr_ctrl_ops { + int (*intr_pending)(void * private_data); + int (*get_intr_number)(void * private_data); + int (*raise_intr)(void * private_data, int irq); + int (*begin_irq)(void * private_data, int irq); +}; + + + +void init_interrupt_state(struct guest_info * info); +void set_intr_controller(struct guest_info * info, struct intr_ctrl_ops * ops, void * state); int raise_exception(struct guest_info * info, uint_t excp); +int raise_exception_with_error(struct guest_info * info, uint_t excp, uint_t error_code); -int intr_pending(struct vm_intr * intr); -uint_t get_intr_number(struct vm_intr * intr); -intr_types_t get_intr_type(struct vm_intr * intr); +int intr_pending(struct guest_info * info); +uint_t get_intr_number(struct guest_info * info); +intr_type_t get_intr_type(struct guest_info * info); +int injecting_intr(struct guest_info * info, uint_t intr_num, intr_type_t type); +/* +int start_irq(struct vm_intr * intr); +int end_irq(struct vm_intr * intr, int irq); +*/ #endif