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32 #define MSR_VMX_BASIC 0x480
33 #define MSR_VMX_EPT_VPID_CAP 0x48C
35 #define MSR_VMX_PROCBASED_CTLS 0x482
36 #define MSR_VMX_TRUE_PROCBASED_CTLS 0x48E
38 #define MSR_VMX_PINBASED_CTLS 0x481
39 #define MSR_VMX_TRUE_PINBASED_CTLS 0x48D
41 #define MSR_VMX_PROCBASED_CTLS2 0x48B
43 #define MSR_VMX_EXIT_CTLS 0x483
44 #define MSR_VMX_TRUE_EXIT_CTLS 0x48f
46 #define MSR_VMX_ENTRY_CTLS 0x484
47 #define MSR_VMX_TRUE_ENTRY_CTLS 0x490
49 #define MSR_VMX_CR0_FIXED0 0x486
50 #define MSR_VMX_CR0_FIXED1 0x487
52 #define MSR_VMX_CR4_FIXED0 0x488
53 #define MSR_VMX_CR4_FIXED1 0x489
55 uint32_t vmx_revision(void);
57 int vmx_set_ctlreg(int ctl_reg, int true_ctl_reg, uint32_t ones_mask,
58 uint32_t zeros_mask, uint32_t *retval);
61 * According to Section 21.10.4 "Software Access to Related Structures",
62 * changes to data structures pointed to by the VMCS must be made only when
63 * there is no logical processor with a current VMCS that points to the
66 * This pretty much limits us to configuring the MSR bitmap before VMCS
67 * initialization for SMP VMs. Unless of course we do it the hard way - which
68 * would involve some form of synchronization between the vcpus to vmclear
69 * all VMCSs' that point to the bitmap.
71 #define MSR_BITMAP_ACCESS_NONE 0x0
72 #define MSR_BITMAP_ACCESS_READ 0x1
73 #define MSR_BITMAP_ACCESS_WRITE 0x2
74 #define MSR_BITMAP_ACCESS_RW (MSR_BITMAP_ACCESS_READ|MSR_BITMAP_ACCESS_WRITE)
75 void msr_bitmap_initialize(char *bitmap);
76 int msr_bitmap_change_access(char *bitmap, u_int msr, int access);