366f60834f
vmm.ko - kernel module for VT-x, VT-d and hypervisor control bhyve - user-space sequencer and i/o emulation vmmctl - dump of hypervisor register state libvmm - front-end to vmm.ko chardev interface bhyve was designed and implemented by Neel Natu. Thanks to the following folk from NetApp who helped to make this available: Joe CaraDonna Peter Snyder Jeff Heller Sandeep Mann Steve Miller Brian Pawlowski
65 lines
2.5 KiB
C
65 lines
2.5 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 _VMM_LAPIC_H_
|
|
#define _VMM_LAPIC_H_
|
|
|
|
struct vm;
|
|
|
|
int lapic_write(struct vm *vm, int cpu, u_int offset, uint64_t val);
|
|
int lapic_read(struct vm *vm, int cpu, u_int offset, uint64_t *retval);
|
|
void lapic_timer_tick(struct vm *vm, int cpu);
|
|
|
|
/*
|
|
* Returns a vector between 32 and 255 if an interrupt is pending in the
|
|
* IRR that can be delivered based on the current state of ISR and TPR.
|
|
*
|
|
* Note that the vector does not automatically transition to the ISR as a
|
|
* result of calling this function.
|
|
*
|
|
* Returns -1 if there is no eligible vector that can be delivered to the
|
|
* guest at this time.
|
|
*/
|
|
int lapic_pending_intr(struct vm *vm, int cpu);
|
|
|
|
/*
|
|
* Transition 'vector' from IRR to ISR. This function is called with the
|
|
* vector returned by 'lapic_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 lapic_intr_accepted(struct vm *vm, int cpu, int vector);
|
|
|
|
/*
|
|
* Signals to the LAPIC that an interrupt at 'vector' needs to be generated
|
|
* to the 'cpu', the state is recorded in IRR.
|
|
*/
|
|
int lapic_set_intr(struct vm *vm, int cpu, int vector);
|
|
|
|
#endif
|