110 lines
4.4 KiB
C
110 lines
4.4 KiB
C
/*-
|
|
* Copyright (c) 2011 NetApp, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef _VLAPIC_H_
|
|
#define _VLAPIC_H_
|
|
|
|
struct vm;
|
|
enum x2apic_state;
|
|
|
|
int vlapic_write(struct vlapic *vlapic, int mmio_access, uint64_t offset,
|
|
uint64_t data, bool *retu);
|
|
int vlapic_read(struct vlapic *vlapic, int mmio_access, uint64_t offset,
|
|
uint64_t *data, bool *retu);
|
|
|
|
/*
|
|
* Returns 0 if there is no eligible vector that can be delivered to the
|
|
* guest at this time and non-zero otherwise.
|
|
*
|
|
* If an eligible vector number is found and 'vecptr' is not NULL then it will
|
|
* be stored in the location pointed to by 'vecptr'.
|
|
*
|
|
* Note that the vector does not automatically transition to the ISR as a
|
|
* result of calling this function.
|
|
*/
|
|
int vlapic_pending_intr(struct vlapic *vlapic, int *vecptr);
|
|
|
|
/*
|
|
* Transition 'vector' from IRR to ISR. This function is called with the
|
|
* vector returned by 'vlapic_pending_intr()' when the guest is able to
|
|
* accept this interrupt (i.e. RFLAGS.IF = 1 and no conditions exist that
|
|
* block interrupt delivery).
|
|
*/
|
|
void vlapic_intr_accepted(struct vlapic *vlapic, int vector);
|
|
|
|
/*
|
|
* Returns 1 if the vcpu needs to be notified of the interrupt and 0 otherwise.
|
|
*/
|
|
int vlapic_set_intr_ready(struct vlapic *vlapic, int vector, bool level);
|
|
|
|
/*
|
|
* Post an interrupt to the vcpu running on 'hostcpu'. This will use a
|
|
* hardware assist if available (e.g. Posted Interrupt) or fall back to
|
|
* sending an 'ipinum' to interrupt the 'hostcpu'.
|
|
*/
|
|
void vlapic_post_intr(struct vlapic *vlapic, int hostcpu, int ipinum);
|
|
|
|
void vlapic_set_error(struct vlapic *vlapic, uint32_t mask);
|
|
void vlapic_fire_cmci(struct vlapic *vlapic);
|
|
int vlapic_trigger_lvt(struct vlapic *vlapic, int vector);
|
|
|
|
uint64_t vlapic_get_apicbase(struct vlapic *vlapic);
|
|
int vlapic_set_apicbase(struct vlapic *vlapic, uint64_t val);
|
|
void vlapic_set_x2apic_state(struct vm *vm, int vcpuid, enum x2apic_state s);
|
|
bool vlapic_enabled(struct vlapic *vlapic);
|
|
|
|
void vlapic_deliver_intr(struct vm *vm, bool level, uint32_t dest, bool phys,
|
|
int delmode, int vec);
|
|
|
|
/* Reset the trigger-mode bits for all vectors to be edge-triggered */
|
|
void vlapic_reset_tmr(struct vlapic *vlapic);
|
|
|
|
/*
|
|
* Set the trigger-mode bit associated with 'vector' to level-triggered if
|
|
* the (dest,phys,delmode) tuple resolves to an interrupt being delivered to
|
|
* this 'vlapic'.
|
|
*/
|
|
void vlapic_set_tmr_level(struct vlapic *vlapic, uint32_t dest, bool phys,
|
|
int delmode, int vector);
|
|
|
|
void vlapic_set_cr8(struct vlapic *vlapic, uint64_t val);
|
|
uint64_t vlapic_get_cr8(struct vlapic *vlapic);
|
|
|
|
/* APIC write handlers */
|
|
void vlapic_id_write_handler(struct vlapic *vlapic);
|
|
void vlapic_ldr_write_handler(struct vlapic *vlapic);
|
|
void vlapic_dfr_write_handler(struct vlapic *vlapic);
|
|
void vlapic_svr_write_handler(struct vlapic *vlapic);
|
|
void vlapic_esr_write_handler(struct vlapic *vlapic);
|
|
int vlapic_icrlo_write_handler(struct vlapic *vlapic, bool *retu);
|
|
void vlapic_icrtmr_write_handler(struct vlapic *vlapic);
|
|
void vlapic_dcr_write_handler(struct vlapic *vlapic);
|
|
void vlapic_lvt_write_handler(struct vlapic *vlapic, uint32_t offset);
|
|
void vlapic_self_ipi_handler(struct vlapic *vlapic, uint64_t val);
|
|
#endif /* _VLAPIC_H_ */
|