X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Finclude%2Fpalacios%2Fvmm_intr.h;h=fd83edb943e2a5e5e937d1271db1efcacc73d4be;hb=a2b7cc4f2d739213d1edefb85ff941c41c86907b;hp=ec7a8c9a541874faf29dea41c2e3ac8bb4b2414a;hpb=bc2c46a12649344d973e2201271c05390ce924bf;p=palacios.git diff --git a/palacios/include/palacios/vmm_intr.h b/palacios/include/palacios/vmm_intr.h index ec7a8c9..fd83edb 100644 --- a/palacios/include/palacios/vmm_intr.h +++ b/palacios/include/palacios/vmm_intr.h @@ -1,3 +1,22 @@ +/* + * 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_ @@ -7,6 +26,7 @@ #include #include + #define DE_EXCEPTION 0x00 #define DB_EXCEPTION 0x01 #define NMI_EXCEPTION 0x02 @@ -31,78 +51,87 @@ 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 v3_intr_state { + /* 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 */ + + struct v3_irq_hook * hooks[256]; + +}; +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 (*lower_intr)(void * private_data, int irq); int (*begin_irq)(void * private_data, int irq); }; -void set_intr_controller(struct guest_info * info, struct intr_ctrl_ops * ops, void * state); +void v3_set_intr_controller(struct guest_info * info, struct intr_ctrl_ops * ops, void * state); 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 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_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 injecting_intr(struct guest_info * info, uint_t intr_num, intr_type_t type); +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); */ -#endif // !__V3VEE__ - - - -void init_interrupt_state(struct guest_info * 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 */ +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); -struct vmm_intr_state; -int v3_hook_irq(uint_t irq, - void (*handler)(struct vmm_intr_state *state), - void *opaque); +#endif // !__V3VEE__ -int v3_hook_irq_for_guest_injection(struct guest_info *info, int irq); #endif