X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Finclude%2Fpalacios%2Fvmm_intr.h;h=fd83edb943e2a5e5e937d1271db1efcacc73d4be;hb=7cdedeb7a01b51c5242cce94924f2ea246008e7d;hp=402d6f963a460a6a8297286da2bf4acf0710624b;hpb=cf1eee7c0aec2016e99acf03077a728f7617a985;p=palacios.git diff --git a/palacios/include/palacios/vmm_intr.h b/palacios/include/palacios/vmm_intr.h index 402d6f9..fd83edb 100644 --- a/palacios/include/palacios/vmm_intr.h +++ b/palacios/include/palacios/vmm_intr.h @@ -1,9 +1,32 @@ +/* + * This file is part of the Palacios Virtual Machine Monitor developed + * by the V3VEE Project with funding from the United States National + * Science Foundation and the Department of Energy. + * + * The V3VEE Project is a joint project between Northwestern University + * and the University of New Mexico. You can find out more at + * http://www.v3vee.org + * + * Copyright (c) 2008, Jack Lange + * Copyright (c) 2008, The V3VEE Project + * All rights reserved. + * + * Author: Jack Lange + * + * This is free software. You are permitted to use, + * redistribute, and modify it as specified in the file "V3VEE_LICENSE". + */ + #ifndef __VMM_INTR_H_ #define __VMM_INTR_H_ + +#ifdef __V3VEE__ + #include #include + #define DE_EXCEPTION 0x00 #define DB_EXCEPTION 0x01 #define NMI_EXCEPTION 0x02 @@ -25,11 +48,24 @@ #define SX_EXCEPTION 0x1e -typedef enum {INVALID_INTR, EXTERNAL_IRQ, NMI, EXCEPTION, SOFTWARE, VIRTUAL} intr_type_t; +typedef enum {INVALID_INTR, EXTERNAL_IRQ, NMI, EXCEPTION, SOFTWARE_INTR, VIRTUAL_INTR} intr_type_t; struct guest_info; +struct v3_interrupt; + +/* 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 v3_irq_hook { + int (*handler)(struct guest_info * info, struct v3_interrupt * intr, void * priv_data); + void * priv_data; +}; -struct vm_intr { + +struct v3_intr_state { /* We need to rework the exception state, to handle stacking */ uint_t excp_pending; @@ -42,35 +78,60 @@ struct vm_intr { /* some way to get the [A]PIC intr */ + struct v3_irq_hook * hooks[256]; + }; -int raise_irq(struct guest_info * info, int irq, int error_code); -int hook_irq(struct guest_info * info, int irq); + +void v3_init_interrupt_state(struct guest_info * info); + + +int v3_raise_irq(struct guest_info * info, int irq); +int v3_lower_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 error_code); + int (*raise_intr)(void * private_data, int irq); + int (*lower_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); +void v3_set_intr_controller(struct guest_info * info, struct intr_ctrl_ops * ops, void * state); -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 v3_raise_exception(struct guest_info * info, uint_t excp); +int v3_raise_exception_with_error(struct guest_info * info, uint_t excp, uint_t error_code); -int injecting_intr(struct guest_info * info, uint_t intr_num, intr_type_t type); +int v3_intr_pending(struct guest_info * info); +uint_t v3_get_intr_number(struct guest_info * info); +intr_type_t v3_get_intr_type(struct guest_info * info); + +int v3_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); */ + + + +int v3_hook_irq(struct guest_info * info, + uint_t irq, + int (*handler)(struct guest_info * info, struct v3_interrupt * intr, void * priv_data), + void * priv_data); + +int v3_hook_passthrough_irq(struct guest_info *info, uint_t irq); + + + +#endif // !__V3VEE__ + + + #endif