vmx.c (f76fc5d414cca9800385f735df4e572a81b54efe) vmx.c (b01c2033255e5b9ca1981311d44d6955760cd7bc)
1/*-
2 * Copyright (c) 2011 NetApp, Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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46#include <machine/pmap.h>
47#include <machine/segments.h>
48#include <machine/specialreg.h>
49#include <machine/vmparam.h>
50
51#include <x86/apicreg.h>
52
53#include <machine/vmm.h>
1/*-
2 * Copyright (c) 2011 NetApp, Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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46#include <machine/pmap.h>
47#include <machine/segments.h>
48#include <machine/specialreg.h>
49#include <machine/vmparam.h>
50
51#include <x86/apicreg.h>
52
53#include <machine/vmm.h>
54#include "vmm_host.h"
54#include "vmm_lapic.h"
55#include "vmm_msr.h"
56#include "vmm_ktr.h"
57#include "vmm_stat.h"
58
59#include "vmx_msr.h"
60#include "ept.h"
61#include "vmx_cpufunc.h"
62#include "vmx.h"
63#include "x86.h"
64#include "vmx_controls.h"
65#include "vmm_instruction_emul.h"
66
55#include "vmm_lapic.h"
56#include "vmm_msr.h"
57#include "vmm_ktr.h"
58#include "vmm_stat.h"
59
60#include "vmx_msr.h"
61#include "ept.h"
62#include "vmx_cpufunc.h"
63#include "vmx.h"
64#include "x86.h"
65#include "vmx_controls.h"
66#include "vmm_instruction_emul.h"
67
67#define CR4_VMXE (1UL << 13)
68
69#define PINBASED_CTLS_ONE_SETTING \
70 (PINBASED_EXTINT_EXITING | \
71 PINBASED_NMI_EXITING | \
72 PINBASED_VIRTUAL_NMI)
73#define PINBASED_CTLS_ZERO_SETTING 0
74
75#define PROCBASED_CTLS_WINDOW_SETTING \
76 (PROCBASED_INT_WINDOW_EXITING | \

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113#define guest_msr_rw(vmx, msr) \
114 msr_bitmap_change_access((vmx)->msr_bitmap, (msr), MSR_BITMAP_ACCESS_RW)
115
116#define HANDLED 1
117#define UNHANDLED 0
118
119MALLOC_DEFINE(M_VMX, "vmx", "vmx");
120
68#define PINBASED_CTLS_ONE_SETTING \
69 (PINBASED_EXTINT_EXITING | \
70 PINBASED_NMI_EXITING | \
71 PINBASED_VIRTUAL_NMI)
72#define PINBASED_CTLS_ZERO_SETTING 0
73
74#define PROCBASED_CTLS_WINDOW_SETTING \
75 (PROCBASED_INT_WINDOW_EXITING | \

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112#define guest_msr_rw(vmx, msr) \
113 msr_bitmap_change_access((vmx)->msr_bitmap, (msr), MSR_BITMAP_ACCESS_RW)
114
115#define HANDLED 1
116#define UNHANDLED 0
117
118MALLOC_DEFINE(M_VMX, "vmx", "vmx");
119
121extern struct pcpu __pcpu[];
122
123int vmxon_enabled[MAXCPU];
124static char vmxon_region[MAXCPU][PAGE_SIZE] __aligned(PAGE_SIZE);
125
126static uint32_t pinbased_ctls, procbased_ctls, procbased_ctls2;
127static uint32_t exit_ctls, entry_ctls;
128
129static uint64_t cr0_ones_mask, cr0_zeros_mask;
130static uint64_t cr4_ones_mask, cr4_zeros_mask;

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831
832 if (lastcpu == curcpu) {
833 error = 0;
834 goto done;
835 }
836
837 vmm_stat_incr(vmx->vm, vcpu, VCPU_MIGRATIONS, 1);
838
120int vmxon_enabled[MAXCPU];
121static char vmxon_region[MAXCPU][PAGE_SIZE] __aligned(PAGE_SIZE);
122
123static uint32_t pinbased_ctls, procbased_ctls, procbased_ctls2;
124static uint32_t exit_ctls, entry_ctls;
125
126static uint64_t cr0_ones_mask, cr0_zeros_mask;
127static uint64_t cr4_ones_mask, cr4_zeros_mask;

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828
829 if (lastcpu == curcpu) {
830 error = 0;
831 goto done;
832 }
833
834 vmm_stat_incr(vmx->vm, vcpu, VCPU_MIGRATIONS, 1);
835
839 error = vmwrite(VMCS_HOST_TR_BASE, (u_long)PCPU_GET(tssp));
836 error = vmwrite(VMCS_HOST_TR_BASE, vmm_get_host_trbase());
840 if (error != 0)
841 goto done;
842
837 if (error != 0)
838 goto done;
839
843 error = vmwrite(VMCS_HOST_GDTR_BASE, (u_long)&gdt[NGDT * curcpu]);
840 error = vmwrite(VMCS_HOST_GDTR_BASE, vmm_get_host_gdtrbase());
844 if (error != 0)
845 goto done;
846
841 if (error != 0)
842 goto done;
843
847 error = vmwrite(VMCS_HOST_GS_BASE, (u_long)&__pcpu[curcpu]);
844 error = vmwrite(VMCS_HOST_GS_BASE, vmm_get_host_gsbase());
848 if (error != 0)
849 goto done;
850
851 /*
852 * If we are using VPIDs then invalidate all mappings tagged with 'vpid'
853 *
854 * We do this because this vcpu was executing on a different host
855 * cpu when it last ran. We do not track whether it invalidated

--- 997 unchanged lines hidden --- 		845 if (error != 0)
846 goto done;
847
848 /*
849 * If we are using VPIDs then invalidate all mappings tagged with 'vpid'
850 *
851 * We do this because this vcpu was executing on a different host
852 * cpu when it last ran. We do not track whether it invalidated

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