2 * Copyright (c) 2011 NetApp, Inc.
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35 int vlapic_write(struct vlapic *vlapic, uint64_t offset, uint64_t data,
37 int vlapic_read(struct vlapic *vlapic, uint64_t offset, uint64_t *data,
41 * Returns a vector between 32 and 255 if an interrupt is pending in the
42 * IRR that can be delivered based on the current state of ISR and TPR.
44 * Note that the vector does not automatically transition to the ISR as a
45 * result of calling this function.
47 * Returns -1 if there is no eligible vector that can be delivered to the
50 int vlapic_pending_intr(struct vlapic *vlapic);
53 * Transition 'vector' from IRR to ISR. This function is called with the
54 * vector returned by 'vlapic_pending_intr()' when the guest is able to
55 * accept this interrupt (i.e. RFLAGS.IF = 1 and no conditions exist that
56 * block interrupt delivery).
58 void vlapic_intr_accepted(struct vlapic *vlapic, int vector);
60 void vlapic_set_intr_ready(struct vlapic *vlapic, int vector, bool level);
61 void vlapic_set_error(struct vlapic *vlapic, uint32_t mask);
62 void vlapic_fire_cmci(struct vlapic *vlapic);
63 int vlapic_trigger_lvt(struct vlapic *vlapic, int vector);
65 uint64_t vlapic_get_apicbase(struct vlapic *vlapic);
66 void vlapic_set_apicbase(struct vlapic *vlapic, uint64_t val);
67 void vlapic_set_x2apic_state(struct vm *vm, int vcpuid, enum x2apic_state s);
68 bool vlapic_enabled(struct vlapic *vlapic);
70 void vlapic_deliver_intr(struct vm *vm, bool level, uint32_t dest, bool phys,
71 int delmode, int vec);
72 void vlapic_post_intr(struct vlapic *vlapic, int hostcpu);
74 /* APIC write handlers */
75 void vlapic_id_write_handler(struct vlapic *vlapic);
76 void vlapic_ldr_write_handler(struct vlapic *vlapic);
77 void vlapic_dfr_write_handler(struct vlapic *vlapic);
78 void vlapic_svr_write_handler(struct vlapic *vlapic);
79 void vlapic_esr_write_handler(struct vlapic *vlapic);
80 int vlapic_icrlo_write_handler(struct vlapic *vlapic, bool *retu);
81 void vlapic_icrtmr_write_handler(struct vlapic *vlapic);
82 void vlapic_dcr_write_handler(struct vlapic *vlapic);
83 void vlapic_lvt_write_handler(struct vlapic *vlapic, uint32_t offset);
84 #endif /* _VLAPIC_H_ */