X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?p=palacios.git;a=blobdiff_plain;f=palacios%2Finclude%2Fpalacios%2Fvmm_intr.h;h=44de7dbbe56fa8d296be4c486807471e92fc5c17;hp=faf39f09a1b062fae911753cc42a3895c541cd37;hb=888c2dd8a3914f9a08e2b0e006ff96c5cc5cd792;hpb=4f7c3b759e3889870c5b5e7d09b3ffcc168e5632 diff --git a/palacios/include/palacios/vmm_intr.h b/palacios/include/palacios/vmm_intr.h index faf39f0..44de7db 100644 --- a/palacios/include/palacios/vmm_intr.h +++ b/palacios/include/palacios/vmm_intr.h @@ -1,5 +1,21 @@ -/* Northwestern University */ -/* (c) 2008, Jack Lange */ +/* + * 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_ @@ -7,111 +23,96 @@ #ifdef __V3VEE__ -#include #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_INTR, VIRTUAL_INTR} intr_type_t; +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_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 vm_intr { +struct v3_irq_hook { + int (*handler)(struct guest_info * info, struct v3_interrupt * intr, void * priv_data); + void * priv_data; +}; - /* 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; +#define MAX_IRQ 256 + + + + +struct v3_intr_state { + + struct list_head controller_list; - /* some way to get the [A]PIC intr */ + uint_t irq_pending; + uint_t irq_started; + uint_t irq_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]; + }; -void init_interrupt_state(struct guest_info * info); +void v3_init_interrupt_state(struct guest_info * info); -int v3_raise_irq(struct guest_info * info, int irq); +int v3_raise_virq(struct guest_info * info, int irq); +int v3_lower_virq(struct guest_info * info, int irq); -/*Zheng 07/30/2008*/ +int v3_raise_irq(struct guest_info * info, int irq); int v3_lower_irq(struct guest_info * info, int irq); -/*Zheng 07/30/2008*/ 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); + 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); }; +void v3_clear_pending_intr(struct guest_info * core); +void v3_register_intr_controller(struct guest_info * info, struct intr_ctrl_ops * ops, void * state); -void 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); +v3_intr_type_t v3_intr_pending(struct guest_info * info); +uint32_t v3_get_intr(struct guest_info * info); -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); +//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, v3_intr_type_t type); /* -int start_irq(struct vm_intr * intr); -int end_irq(struct vm_intr * intr, int irq); + int start_irq(struct vm_intr * intr); + int end_irq(struct vm_intr * intr, int irq); */ -#endif // !__V3VEE__ - - +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