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hardware. It is possible to turn this feature off and fall back to software emulation of the APIC by setting the tunable hw.vmm.vmx.use_apic_vid to 0. We now start handling two new types of VM-exits: APIC-access: This is a fault-like VM-exit and is triggered when the APIC register access is not accelerated (e.g. apic timer CCR). In response to this we do emulate the instruction that triggered the APIC-access exit. APIC-write: This is a trap-like VM-exit which does not require any instruction emulation but it does require the hypervisor to emulate the access to the specified register (e.g. icrlo register). Introduce 'vlapic_ops' which are function pointers to vector the various vlapic operations into processor-dependent code. The 'Virtual Interrupt Delivery' feature installs 'ops' for setting the IRR bits in the virtual APIC page and to return whether any interrupts are pending for this vcpu. Tested on an "Intel Xeon E5-2620 v2" courtesy of Allan Jude at ScaleEngine.
97 lines
3.9 KiB
C
97 lines
3.9 KiB
C
/*-
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* Copyright (c) 2011 NetApp, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _VMX_CONTROLS_H_
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#define _VMX_CONTROLS_H_
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/* Pin-Based VM-Execution Controls */
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#define PINBASED_EXTINT_EXITING (1 << 0)
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#define PINBASED_NMI_EXITING (1 << 3)
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#define PINBASED_VIRTUAL_NMI (1 << 5)
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#define PINBASED_PREMPTION_TIMER (1 << 6)
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#define PINBASED_POSTED_INTERRUPT (1 << 7)
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/* Primary Processor-Based VM-Execution Controls */
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#define PROCBASED_INT_WINDOW_EXITING (1 << 2)
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#define PROCBASED_TSC_OFFSET (1 << 3)
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#define PROCBASED_HLT_EXITING (1 << 7)
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#define PROCBASED_INVLPG_EXITING (1 << 9)
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#define PROCBASED_MWAIT_EXITING (1 << 10)
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#define PROCBASED_RDPMC_EXITING (1 << 11)
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#define PROCBASED_RDTSC_EXITING (1 << 12)
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#define PROCBASED_CR3_LOAD_EXITING (1 << 15)
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#define PROCBASED_CR3_STORE_EXITING (1 << 16)
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#define PROCBASED_CR8_LOAD_EXITING (1 << 19)
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#define PROCBASED_CR8_STORE_EXITING (1 << 20)
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#define PROCBASED_USE_TPR_SHADOW (1 << 21)
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#define PROCBASED_NMI_WINDOW_EXITING (1 << 22)
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#define PROCBASED_MOV_DR_EXITING (1 << 23)
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#define PROCBASED_IO_EXITING (1 << 24)
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#define PROCBASED_IO_BITMAPS (1 << 25)
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#define PROCBASED_MTF (1 << 27)
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#define PROCBASED_MSR_BITMAPS (1 << 28)
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#define PROCBASED_MONITOR_EXITING (1 << 29)
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#define PROCBASED_PAUSE_EXITING (1 << 30)
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#define PROCBASED_SECONDARY_CONTROLS (1U << 31)
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/* Secondary Processor-Based VM-Execution Controls */
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#define PROCBASED2_VIRTUALIZE_APIC_ACCESSES (1 << 0)
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#define PROCBASED2_ENABLE_EPT (1 << 1)
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#define PROCBASED2_DESC_TABLE_EXITING (1 << 2)
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#define PROCBASED2_ENABLE_RDTSCP (1 << 3)
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#define PROCBASED2_VIRTUALIZE_X2APIC_MODE (1 << 4)
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#define PROCBASED2_ENABLE_VPID (1 << 5)
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#define PROCBASED2_WBINVD_EXITING (1 << 6)
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#define PROCBASED2_UNRESTRICTED_GUEST (1 << 7)
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#define PROCBASED2_APIC_REGISTER_VIRTUALIZATION (1 << 8)
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#define PROCBASED2_VIRTUAL_INTERRUPT_DELIVERY (1 << 9)
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#define PROCBASED2_PAUSE_LOOP_EXITING (1 << 10)
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#define PROCBASED2_ENABLE_INVPCID (1 << 12)
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/* VM Exit Controls */
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#define VM_EXIT_SAVE_DEBUG_CONTROLS (1 << 2)
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#define VM_EXIT_HOST_LMA (1 << 9)
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#define VM_EXIT_LOAD_PERF_GLOBAL_CTRL (1 << 12)
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#define VM_EXIT_ACKNOWLEDGE_INTERRUPT (1 << 15)
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#define VM_EXIT_SAVE_PAT (1 << 18)
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#define VM_EXIT_LOAD_PAT (1 << 19)
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#define VM_EXIT_SAVE_EFER (1 << 20)
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#define VM_EXIT_LOAD_EFER (1 << 21)
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#define VM_EXIT_SAVE_PREEMPTION_TIMER (1 << 22)
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/* VM Entry Controls */
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#define VM_ENTRY_LOAD_DEBUG_CONTROLS (1 << 2)
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#define VM_ENTRY_GUEST_LMA (1 << 9)
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#define VM_ENTRY_INTO_SMM (1 << 10)
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#define VM_ENTRY_DEACTIVATE_DUAL_MONITOR (1 << 11)
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#define VM_ENTRY_LOAD_PERF_GLOBAL_CTRL (1 << 13)
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#define VM_ENTRY_LOAD_PAT (1 << 14)
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#define VM_ENTRY_LOAD_EFER (1 << 15)
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#endif
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