4 #include <palacios/vmm_intr.h>
5 #include <palacios/vmm_types.h>
7 #define DE_EXCEPTION 0x00
8 #define DB_EXCEPTION 0x01
9 #define NMI_EXCEPTION 0x02
10 #define BP_EXCEPTION 0x03
11 #define OF_EXCEPTION 0x04
12 #define BR_EXCEPTION 0x05
13 #define UD_EXCEPTION 0x06
14 #define NM_EXCEPTION 0x07
15 #define DF_EXCEPTION 0x08
16 #define TS_EXCEPTION 0x0a
17 #define NP_EXCEPTION 0x0b
18 #define SS_EXCEPTION 0x0c
19 #define GPF_EXCEPTION 0x0d
20 #define PF_EXCEPTION 0x0e
21 #define MF_EXCEPTION 0x10
22 #define AC_EXCEPTION 0x11
23 #define MC_EXCEPTION 0x12
24 #define XF_EXCEPTION 0x13
25 #define SX_EXCEPTION 0x1e
28 typedef enum {INVALID_INTR, EXTERNAL_IRQ, NMI, EXCEPTION, SOFTWARE_INTR, VIRTUAL_INTR} intr_type_t;
35 /* We need a way to allow the APIC/PIC to decide when they are supposed to receive interrupts...
36 * Maybe a notification call when they have been turned on, to deliver irqs to them...
37 * We can rehook the guest raise_irq op, to the appropriate controller
43 /* We need to rework the exception state, to handle stacking */
46 uint_t excp_error_code_valid : 1;
47 uint_t excp_error_code;
49 struct intr_ctrl_ops * controller;
50 void * controller_state;
52 /* some way to get the [A]PIC intr */
58 int v3_raise_irq(struct guest_info * info, int irq);
59 int hook_irq(struct guest_info * info, int irq);
62 struct vmm_intr_state;
64 int hook_irq_new(uint_t irq,
65 void (*handler)(struct vmm_intr_state *state),
68 int hook_irq_for_guest_injection(struct guest_info *info, int irq);
71 struct intr_ctrl_ops {
72 int (*intr_pending)(void * private_data);
73 int (*get_intr_number)(void * private_data);
74 int (*raise_intr)(void * private_data, int irq);
75 int (*begin_irq)(void * private_data, int irq);
80 void init_interrupt_state(struct guest_info * info);
81 void set_intr_controller(struct guest_info * info, struct intr_ctrl_ops * ops, void * state);
83 int raise_exception(struct guest_info * info, uint_t excp);
84 int raise_exception_with_error(struct guest_info * info, uint_t excp, uint_t error_code);
86 int intr_pending(struct guest_info * info);
87 uint_t get_intr_number(struct guest_info * info);
88 intr_type_t get_intr_type(struct guest_info * info);
90 int injecting_intr(struct guest_info * info, uint_t intr_num, intr_type_t type);
93 int start_irq(struct vm_intr * intr);
94 int end_irq(struct vm_intr * intr, int irq);