X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Finclude%2Fpalacios%2Fvmm_intr.h;h=df1750b119d995f8f5b62fd81ba3150d5c71b236;hb=6b9abb54ebafd8266f1711b803ccb027675a465f;hp=0b178b0f37453e90e2ce37807269cf739e4dc423;hpb=fc90c3287f85c66e1f6616685b66a8339145c3ee;p=palacios.git diff --git a/palacios/include/palacios/vmm_intr.h b/palacios/include/palacios/vmm_intr.h index 0b178b0..df1750b 100644 --- a/palacios/include/palacios/vmm_intr.h +++ b/palacios/include/palacios/vmm_intr.h @@ -1,47 +1,149 @@ -#ifndef __VMM_INTR_H -#define __VMM_INTR_H +/* + * 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 +#include -#define DE_EXCEPTION 0x00 -#define DB_EXCEPTION 0x01 -#define NMI_EXCEPTION 0x02 -#define BP_EXCEPTION 0x03 -#define OF_EXCEPTION 0x04 -#define BR_EXCEPTION 0x05 -#define UD_EXCEPTION 0x06 -#define NM_EXCEPTION 0x07 -#define DF_EXCEPTION 0x08 -#define TS_EXCEPTION 0x0a -#define NP_EXCEPTION 0x0b -#define SS_EXCEPTION 0x0c -#define GPF_EXCEPTION 0x0d -#define PF_EXCEPTION 0x0e -#define MF_EXCEPTION 0x10 -#define AC_EXCEPTION 0x11 -#define MC_EXCEPTION 0x12 -#define XF_EXCEPTION 0x13 -#define SX_EXCEPTION 0x1e - - -typedef enum {INVALID_INTR, EXTERNAL_IRQ, NMI, EXCEPTION, SOFTWARE, VIRTUAL} intr_types_t; + +typedef enum {V3_INVALID_INTR=0, 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 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; + + /* 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; + + struct list_head controller_list; +}; -struct vm_intr { - uint_t excp_pending; - uint_t excp_num; - - /* some way to get the [A]PIC intr */ + +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 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 (*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_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); +int v3_get_intr(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 end_irq(struct vm_intr * intr, int irq); +*/ + + + +int v3_hook_irq(struct v3_vm_info * vm, + uint_t irq, + int (*handler)(struct v3_vm_info * vm, struct v3_interrupt * intr, void * priv_data), + void * priv_data); + +int v3_hook_passthrough_irq(struct v3_vm_info * vm, uint_t irq); + + -int raise_exception(struct guest_info * info, uint_t excp); +#endif // !__V3VEE__ -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); #endif