+/*
+ * 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 <jarusl@cs.northwestern.edu>
+ * Copyright (c) 2008, The V3VEE Project <http://www.v3vee.org>
+ * All rights reserved.
+ *
+ * Author: Jack Lange <jarusl@cs.northwestern.edu>
+ *
+ * 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_
-#include <palacios/vmm_intr.h>
+
+#ifdef __V3VEE__
+
#include <palacios/vmm_types.h>
+#include <palacios/vmm_list.h>
+#include <palacios/vmm_lock.h>
+
-#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_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_vm_info;
+struct v3_interrupt;
+
+
+
+struct v3_irq_hook {
+ int (*handler)(struct v3_vm_info * vm, struct v3_interrupt * intr, void * priv_data);
+ void * priv_data;
+};
-struct vm_intr {
+#define MAX_IRQ 256
- /* 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_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;
+};
+
+
+
+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);
+
+
+int v3_raise_swintr(struct guest_info * core, uint8_t vector);
-int raise_irq(struct guest_info * info, int irq, int error_code);
-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 error_code);
- 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 (*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, int irq);
+ int (*lower_intr)(struct v3_vm_info * vm, void * private_data, int irq);
+};
+
+void v3_clear_pending_intr(struct guest_info * core);
-void init_interrupt_state(struct guest_info * info);
-void set_intr_controller(struct guest_info * info, struct intr_ctrl_ops * ops, void * state);
+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);
-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_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);
+uint32_t 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 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);
+ 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);
+
+
+
+#endif // !__V3VEE__
+
+
+
#endif
