/** @file * HM - VMX Structures and Definitions. (VMM) */ /* * Copyright (C) 2006-2010 Oracle Corporation * * This file is part of VirtualBox Open Source Edition (OSE), as * available from http://www.virtualbox.org. This file is free software; * you can redistribute it and/or modify it under the terms of the GNU * General Public License (GPL) as published by the Free Software * Foundation, in version 2 as it comes in the "COPYING" file of the * VirtualBox OSE distribution. VirtualBox OSE is distributed in the * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. * * The contents of this file may alternatively be used under the terms * of the Common Development and Distribution License Version 1.0 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the * VirtualBox OSE distribution, in which case the provisions of the * CDDL are applicable instead of those of the GPL. * * You may elect to license modified versions of this file under the * terms and conditions of either the GPL or the CDDL or both. */ #ifndef ___VBox_vmm_vmx_h #define ___VBox_vmm_vmx_h #include #include #include #include /** @defgroup grp_vmx vmx Types and Definitions * @ingroup grp_hm * @{ */ /** @name VMX EPT paging structures * @{ */ /** * Number of page table entries in the EPT. (PDPTE/PDE/PTE) */ #define EPT_PG_ENTRIES X86_PG_PAE_ENTRIES /** * EPT Page Directory Pointer Entry. Bit view. * @todo uint64_t isn't safe for bitfields (gcc pedantic warnings, and IIRC, * this did cause trouble with one compiler/version). */ #pragma pack(1) typedef struct EPTPML4EBITS { /** Present bit. */ uint64_t u1Present : 1; /** Writable bit. */ uint64_t u1Write : 1; /** Executable bit. */ uint64_t u1Execute : 1; /** Reserved (must be 0). */ uint64_t u5Reserved : 5; /** Available for software. */ uint64_t u4Available : 4; /** Physical address of the next level (PD). Restricted by maximum physical address width of the cpu. */ uint64_t u40PhysAddr : 40; /** Availabe for software. */ uint64_t u12Available : 12; } EPTPML4EBITS; #pragma pack() AssertCompileSize(EPTPML4EBITS, 8); /** Bits 12-51 - - EPT - Physical Page number of the next level. */ #define EPT_PML4E_PG_MASK X86_PML4E_PG_MASK /** The page shift to get the PML4 index. */ #define EPT_PML4_SHIFT X86_PML4_SHIFT /** The PML4 index mask (apply to a shifted page address). */ #define EPT_PML4_MASK X86_PML4_MASK /** * EPT PML4E. */ #pragma pack(1) typedef union EPTPML4E { /** Normal view. */ EPTPML4EBITS n; /** Unsigned integer view. */ X86PGPAEUINT u; /** 64 bit unsigned integer view. */ uint64_t au64[1]; /** 32 bit unsigned integer view. */ uint32_t au32[2]; } EPTPML4E; #pragma pack() /** Pointer to a PML4 table entry. */ typedef EPTPML4E *PEPTPML4E; /** Pointer to a const PML4 table entry. */ typedef const EPTPML4E *PCEPTPML4E; AssertCompileSize(EPTPML4E, 8); /** * EPT PML4 Table. */ #pragma pack(1) typedef struct EPTPML4 { EPTPML4E a[EPT_PG_ENTRIES]; } EPTPML4; #pragma pack() /** Pointer to an EPT PML4 Table. */ typedef EPTPML4 *PEPTPML4; /** Pointer to a const EPT PML4 Table. */ typedef const EPTPML4 *PCEPTPML4; /** * EPT Page Directory Pointer Entry. Bit view. */ #pragma pack(1) typedef struct EPTPDPTEBITS { /** Present bit. */ uint64_t u1Present : 1; /** Writable bit. */ uint64_t u1Write : 1; /** Executable bit. */ uint64_t u1Execute : 1; /** Reserved (must be 0). */ uint64_t u5Reserved : 5; /** Available for software. */ uint64_t u4Available : 4; /** Physical address of the next level (PD). Restricted by maximum physical address width of the cpu. */ uint64_t u40PhysAddr : 40; /** Availabe for software. */ uint64_t u12Available : 12; } EPTPDPTEBITS; #pragma pack() AssertCompileSize(EPTPDPTEBITS, 8); /** Bits 12-51 - - EPT - Physical Page number of the next level. */ #define EPT_PDPTE_PG_MASK X86_PDPE_PG_MASK /** The page shift to get the PDPT index. */ #define EPT_PDPT_SHIFT X86_PDPT_SHIFT /** The PDPT index mask (apply to a shifted page address). */ #define EPT_PDPT_MASK X86_PDPT_MASK_AMD64 /** * EPT Page Directory Pointer. */ #pragma pack(1) typedef union EPTPDPTE { /** Normal view. */ EPTPDPTEBITS n; /** Unsigned integer view. */ X86PGPAEUINT u; /** 64 bit unsigned integer view. */ uint64_t au64[1]; /** 32 bit unsigned integer view. */ uint32_t au32[2]; } EPTPDPTE; #pragma pack() /** Pointer to an EPT Page Directory Pointer Entry. */ typedef EPTPDPTE *PEPTPDPTE; /** Pointer to a const EPT Page Directory Pointer Entry. */ typedef const EPTPDPTE *PCEPTPDPTE; AssertCompileSize(EPTPDPTE, 8); /** * EPT Page Directory Pointer Table. */ #pragma pack(1) typedef struct EPTPDPT { EPTPDPTE a[EPT_PG_ENTRIES]; } EPTPDPT; #pragma pack() /** Pointer to an EPT Page Directory Pointer Table. */ typedef EPTPDPT *PEPTPDPT; /** Pointer to a const EPT Page Directory Pointer Table. */ typedef const EPTPDPT *PCEPTPDPT; /** * EPT Page Directory Table Entry. Bit view. */ #pragma pack(1) typedef struct EPTPDEBITS { /** Present bit. */ uint64_t u1Present : 1; /** Writable bit. */ uint64_t u1Write : 1; /** Executable bit. */ uint64_t u1Execute : 1; /** Reserved (must be 0). */ uint64_t u4Reserved : 4; /** Big page (must be 0 here). */ uint64_t u1Size : 1; /** Available for software. */ uint64_t u4Available : 4; /** Physical address of page table. Restricted by maximum physical address width of the cpu. */ uint64_t u40PhysAddr : 40; /** Availabe for software. */ uint64_t u12Available : 12; } EPTPDEBITS; #pragma pack() AssertCompileSize(EPTPDEBITS, 8); /** Bits 12-51 - - EPT - Physical Page number of the next level. */ #define EPT_PDE_PG_MASK X86_PDE_PAE_PG_MASK /** The page shift to get the PD index. */ #define EPT_PD_SHIFT X86_PD_PAE_SHIFT /** The PD index mask (apply to a shifted page address). */ #define EPT_PD_MASK X86_PD_PAE_MASK /** * EPT 2MB Page Directory Table Entry. Bit view. */ #pragma pack(1) typedef struct EPTPDE2MBITS { /** Present bit. */ uint64_t u1Present : 1; /** Writable bit. */ uint64_t u1Write : 1; /** Executable bit. */ uint64_t u1Execute : 1; /** EPT Table Memory Type. MBZ for non-leaf nodes. */ uint64_t u3EMT : 3; /** Ignore PAT memory type */ uint64_t u1IgnorePAT : 1; /** Big page (must be 1 here). */ uint64_t u1Size : 1; /** Available for software. */ uint64_t u4Available : 4; /** Reserved (must be 0). */ uint64_t u9Reserved : 9; /** Physical address of the 2MB page. Restricted by maximum physical address width of the cpu. */ uint64_t u31PhysAddr : 31; /** Availabe for software. */ uint64_t u12Available : 12; } EPTPDE2MBITS; #pragma pack() AssertCompileSize(EPTPDE2MBITS, 8); /** Bits 21-51 - - EPT - Physical Page number of the next level. */ #define EPT_PDE2M_PG_MASK X86_PDE2M_PAE_PG_MASK /** * EPT Page Directory Table Entry. */ #pragma pack(1) typedef union EPTPDE { /** Normal view. */ EPTPDEBITS n; /** 2MB view (big). */ EPTPDE2MBITS b; /** Unsigned integer view. */ X86PGPAEUINT u; /** 64 bit unsigned integer view. */ uint64_t au64[1]; /** 32 bit unsigned integer view. */ uint32_t au32[2]; } EPTPDE; #pragma pack() /** Pointer to an EPT Page Directory Table Entry. */ typedef EPTPDE *PEPTPDE; /** Pointer to a const EPT Page Directory Table Entry. */ typedef const EPTPDE *PCEPTPDE; AssertCompileSize(EPTPDE, 8); /** * EPT Page Directory Table. */ #pragma pack(1) typedef struct EPTPD { EPTPDE a[EPT_PG_ENTRIES]; } EPTPD; #pragma pack() /** Pointer to an EPT Page Directory Table. */ typedef EPTPD *PEPTPD; /** Pointer to a const EPT Page Directory Table. */ typedef const EPTPD *PCEPTPD; /** * EPT Page Table Entry. Bit view. */ #pragma pack(1) typedef struct EPTPTEBITS { /** 0 - Present bit. * @remark This is a convenience "misnomer". The bit actually indicates * read access and the CPU will consider an entry with any of the * first three bits set as present. Since all our valid entries * will have this bit set, it can be used as a present indicator * and allow some code sharing. */ uint64_t u1Present : 1; /** 1 - Writable bit. */ uint64_t u1Write : 1; /** 2 - Executable bit. */ uint64_t u1Execute : 1; /** 5:3 - EPT Memory Type. MBZ for non-leaf nodes. */ uint64_t u3EMT : 3; /** 6 - Ignore PAT memory type */ uint64_t u1IgnorePAT : 1; /** 11:7 - Available for software. */ uint64_t u5Available : 5; /** 51:12 - Physical address of page. Restricted by maximum physical * address width of the cpu. */ uint64_t u40PhysAddr : 40; /** 63:52 - Available for software. */ uint64_t u12Available : 12; } EPTPTEBITS; #pragma pack() AssertCompileSize(EPTPTEBITS, 8); /** Bits 12-51 - - EPT - Physical Page number of the next level. */ #define EPT_PTE_PG_MASK X86_PTE_PAE_PG_MASK /** The page shift to get the EPT PTE index. */ #define EPT_PT_SHIFT X86_PT_PAE_SHIFT /** The EPT PT index mask (apply to a shifted page address). */ #define EPT_PT_MASK X86_PT_PAE_MASK /** * EPT Page Table Entry. */ #pragma pack(1) typedef union EPTPTE { /** Normal view. */ EPTPTEBITS n; /** Unsigned integer view. */ X86PGPAEUINT u; /** 64 bit unsigned integer view. */ uint64_t au64[1]; /** 32 bit unsigned integer view. */ uint32_t au32[2]; } EPTPTE; #pragma pack() /** Pointer to an EPT Page Directory Table Entry. */ typedef EPTPTE *PEPTPTE; /** Pointer to a const EPT Page Directory Table Entry. */ typedef const EPTPTE *PCEPTPTE; AssertCompileSize(EPTPTE, 8); /** * EPT Page Table. */ #pragma pack(1) typedef struct EPTPT { EPTPTE a[EPT_PG_ENTRIES]; } EPTPT; #pragma pack() /** Pointer to an extended page table. */ typedef EPTPT *PEPTPT; /** Pointer to a const extended table. */ typedef const EPTPT *PCEPTPT; /** * VPID flush types. */ typedef enum { /** Invalidate a specific page. */ VMX_FLUSH_VPID_INDIV_ADDR = 0, /** Invalidate one context (specific VPID). */ VMX_FLUSH_VPID_SINGLE_CONTEXT = 1, /** Invalidate all contexts (all VPIDs). */ VMX_FLUSH_VPID_ALL_CONTEXTS = 2, /** Invalidate a single VPID context retaining global mappings. */ VMX_FLUSH_VPID_SINGLE_CONTEXT_RETAIN_GLOBALS = 3, /** Unsupported by VirtualBox. */ VMX_FLUSH_VPID_NOT_SUPPORTED = 0xbad, /** Unsupported by CPU. */ VMX_FLUSH_VPID_NONE = 0xb00, /** 32bit hackishness. */ VMX_FLUSH_VPID_32BIT_HACK = 0x7fffffff } VMX_FLUSH_VPID; /** * EPT flush types. */ typedef enum { /** Invalidate one context (specific EPT). */ VMX_FLUSH_EPT_SINGLE_CONTEXT = 1, /* Invalidate all contexts (all EPTs) */ VMX_FLUSH_EPT_ALL_CONTEXTS = 2, /** Unsupported by VirtualBox. */ VMX_FLUSH_EPT_NOT_SUPPORTED = 0xbad, /** Unsupported by CPU. */ VMX_FLUSH_EPT_NONE = 0xb00, /** 32bit hackishness. */ VMX_FLUSH_EPT_32BIT_HACK = 0x7fffffff } VMX_FLUSH_EPT; /** @} */ /** @name MSR load/store elements * @{ */ #pragma pack(1) typedef struct { uint32_t u32IndexMSR; uint32_t u32Reserved; uint64_t u64Value; } VMXMSR; #pragma pack() /** Pointer to an MSR load/store element. */ typedef VMXMSR *PVMXMSR; /** Pointer to a const MSR load/store element. */ typedef const VMXMSR *PCVMXMSR; /** @} */ /** @name VT-x capability qword * @{ */ #pragma pack(1) typedef union { struct { /** Bits set here -must- be set in the correpsonding VM-execution controls. */ uint32_t disallowed0; /** Bits cleared here -must- be cleared in the corresponding VM-execution * controls. */ uint32_t allowed1; } n; uint64_t u; } VMX_CAPABILITY; #pragma pack() /** @} */ /** @name VMX Basic Exit Reasons. * @{ */ /** And-mask for setting reserved bits to zero */ #define VMX_EFLAGS_RESERVED_0 (~0xffc08028) /** Or-mask for setting reserved bits to 1 */ #define VMX_EFLAGS_RESERVED_1 0x00000002 /** @} */ /** @name VMX Basic Exit Reasons. * @{ */ /** -1 Invalid exit code */ #define VMX_EXIT_INVALID -1 /** 0 Exception or non-maskable interrupt (NMI). */ #define VMX_EXIT_EXCEPTION_NMI 0 /** 1 External interrupt. */ #define VMX_EXIT_EXTERNAL_IRQ 1 /** 2 Triple fault. */ #define VMX_EXIT_TRIPLE_FAULT 2 /** 3 INIT signal. */ #define VMX_EXIT_INIT_SIGNAL 3 /** 4 Start-up IPI (SIPI). */ #define VMX_EXIT_SIPI 4 /** 5 I/O system-management interrupt (SMI). */ #define VMX_EXIT_IO_SMI_IRQ 5 /** 6 Other SMI. */ #define VMX_EXIT_SMI_IRQ 6 /** 7 Interrupt window. */ #define VMX_EXIT_IRQ_WINDOW 7 /** 9 Task switch. */ #define VMX_EXIT_TASK_SWITCH 9 /** 10 Guest software attempted to execute CPUID. */ #define VMX_EXIT_CPUID 10 /** 12 Guest software attempted to execute HLT. */ #define VMX_EXIT_HLT 12 /** 13 Guest software attempted to execute INVD. */ #define VMX_EXIT_INVD 13 /** 14 Guest software attempted to execute INVLPG. */ #define VMX_EXIT_INVLPG 14 /** 15 Guest software attempted to execute RDPMC. */ #define VMX_EXIT_RDPMC 15 /** 16 Guest software attempted to execute RDTSC. */ #define VMX_EXIT_RDTSC 16 /** 17 Guest software attempted to execute RSM in SMM. */ #define VMX_EXIT_RSM 17 /** 18 Guest software executed VMCALL. */ #define VMX_EXIT_VMCALL 18 /** 19 Guest software executed VMCLEAR. */ #define VMX_EXIT_VMCLEAR 19 /** 20 Guest software executed VMLAUNCH. */ #define VMX_EXIT_VMLAUNCH 20 /** 21 Guest software executed VMPTRLD. */ #define VMX_EXIT_VMPTRLD 21 /** 22 Guest software executed VMPTRST. */ #define VMX_EXIT_VMPTRST 22 /** 23 Guest software executed VMREAD. */ #define VMX_EXIT_VMREAD 23 /** 24 Guest software executed VMRESUME. */ #define VMX_EXIT_VMRESUME 24 /** 25 Guest software executed VMWRITE. */ #define VMX_EXIT_VMWRITE 25 /** 26 Guest software executed VMXOFF. */ #define VMX_EXIT_VMXOFF 26 /** 27 Guest software executed VMXON. */ #define VMX_EXIT_VMXON 27 /** 28 Control-register accesses. */ #define VMX_EXIT_CRX_MOVE 28 /** 29 Debug-register accesses. */ #define VMX_EXIT_DRX_MOVE 29 /** 30 I/O instruction. */ #define VMX_EXIT_PORT_IO 30 /** 31 RDMSR. Guest software attempted to execute RDMSR. */ #define VMX_EXIT_RDMSR 31 /** 32 WRMSR. Guest software attempted to execute WRMSR. */ #define VMX_EXIT_WRMSR 32 /** 33 VM-entry failure due to invalid guest state. */ #define VMX_EXIT_ERR_INVALID_GUEST_STATE 33 /** 34 VM-entry failure due to MSR loading. */ #define VMX_EXIT_ERR_MSR_LOAD 34 /** 36 Guest software executed MWAIT. */ #define VMX_EXIT_MWAIT 36 /** 37 VM exit due to monitor trap flag. */ #define VMX_EXIT_MTF 37 /** 39 Guest software attempted to execute MONITOR. */ #define VMX_EXIT_MONITOR 39 /** 40 Guest software attempted to execute PAUSE. */ #define VMX_EXIT_PAUSE 40 /** 41 VM-entry failure due to machine-check. */ #define VMX_EXIT_ERR_MACHINE_CHECK 41 /** 43 TPR below threshold. Guest software executed MOV to CR8. */ #define VMX_EXIT_TPR 43 /** 44 APIC access. Guest software attempted to access memory at a physical address on the APIC-access page. */ #define VMX_EXIT_APIC_ACCESS 44 /** 46 Access to GDTR or IDTR. Guest software attempted to execute LGDT, LIDT, SGDT, or SIDT. */ #define VMX_EXIT_XDTR_ACCESS 46 /** 47 Access to LDTR or TR. Guest software attempted to execute LLDT, LTR, SLDT, or STR. */ #define VMX_EXIT_TR_ACCESS 47 /** 48 EPT violation. An attempt to access memory with a guest-physical address was disallowed by the configuration of the EPT paging structures. */ #define VMX_EXIT_EPT_VIOLATION 48 /** 49 EPT misconfiguration. An attempt to access memory with a guest-physical address encountered a misconfigured EPT paging-structure entry. */ #define VMX_EXIT_EPT_MISCONFIG 49 /** 50 INVEPT. Guest software attempted to execute INVEPT. */ #define VMX_EXIT_INVEPT 50 /** 51 RDTSCP. Guest software attempted to execute RDTSCP. */ #define VMX_EXIT_RDTSCP 51 /** 52 VMX-preemption timer expired. The preemption timer counted down to zero. */ #define VMX_EXIT_PREEMPTION_TIMER 52 /** 53 INVVPID. Guest software attempted to execute INVVPID. */ #define VMX_EXIT_INVVPID 53 /** 54 WBINVD. Guest software attempted to execute WBINVD. */ #define VMX_EXIT_WBINVD 54 /** 55 XSETBV. Guest software attempted to execute XSETBV. */ #define VMX_EXIT_XSETBV 55 /** 57 RDRAND. Guest software attempted to execute RDRAND. */ #define VMX_EXIT_RDRAND 57 /** 58 INVPCID. Guest software attempted to execute INVPCID. */ #define VMX_EXIT_INVPCID 58 /** 59 VMFUNC. Guest software attempted to execute VMFUNC. */ #define VMX_EXIT_VMFUNC 59 /** The maximum exit value (inclusive). */ #define VMX_EXIT_MAX (VMX_EXIT_VMFUNC) /** @} */ /** @name VM Instruction Errors * @{ */ /** 1 VMCALL executed in VMX root operation. */ #define VMX_ERROR_VMCALL 1 /** 2 VMCLEAR with invalid physical address. */ #define VMX_ERROR_VMCLEAR_INVALID_PHYS_ADDR 2 /** 3 VMCLEAR with VMXON pointer. */ #define VMX_ERROR_VMCLEAR_INVALID_VMXON_PTR 3 /** 4 VMLAUNCH with non-clear VMCS. */ #define VMX_ERROR_VMLAUCH_NON_CLEAR_VMCS 4 /** 5 VMRESUME with non-launched VMCS. */ #define VMX_ERROR_VMRESUME_NON_LAUNCHED_VMCS 5 /** 6 VMRESUME with a corrupted VMCS (indicates corruption of the current VMCS). */ #define VMX_ERROR_VMRESUME_CORRUPTED_VMCS 6 /** 7 VM entry with invalid control field(s). */ #define VMX_ERROR_VMENTRY_INVALID_CONTROL_FIELDS 7 /** 8 VM entry with invalid host-state field(s). */ #define VMX_ERROR_VMENTRY_INVALID_HOST_STATE 8 /** 9 VMPTRLD with invalid physical address. */ #define VMX_ERROR_VMPTRLD_INVALID_PHYS_ADDR 9 /** 10 VMPTRLD with VMXON pointer. */ #define VMX_ERROR_VMPTRLD_VMXON_PTR 10 /** 11 VMPTRLD with incorrect VMCS revision identifier. */ #define VMX_ERROR_VMPTRLD_WRONG_VMCS_REVISION 11 /** 12 VMREAD/VMWRITE from/to unsupported VMCS component. */ #define VMX_ERROR_VMREAD_INVALID_COMPONENT 12 #define VMX_ERROR_VMWRITE_INVALID_COMPONENT VMX_ERROR_VMREAD_INVALID_COMPONENT /** 13 VMWRITE to read-only VMCS component. */ #define VMX_ERROR_VMWRITE_READONLY_COMPONENT 13 /** 15 VMXON executed in VMX root operation. */ #define VMX_ERROR_VMXON_IN_VMX_ROOT_OP 15 /** 16 VM entry with invalid executive-VMCS pointer. */ #define VMX_ERROR_VMENTRY_INVALID_VMCS_EXEC_PTR 16 /** 17 VM entry with non-launched executive VMCS. */ #define VMX_ERROR_VMENTRY_NON_LAUNCHED_EXEC_VMCS 17 /** 18 VM entry with executive-VMCS pointer not VMXON pointer. */ #define VMX_ERROR_VMENTRY_EXEC_VMCS_PTR 18 /** 19 VMCALL with non-clear VMCS. */ #define VMX_ERROR_VMCALL_NON_CLEAR_VMCS 19 /** 20 VMCALL with invalid VM-exit control fields. */ #define VMX_ERROR_VMCALL_INVALID_VMEXIT_FIELDS 20 /** 22 VMCALL with incorrect MSEG revision identifier. */ #define VMX_ERROR_VMCALL_INVALID_MSEG_REVISION 22 /** 23 VMXOFF under dual-monitor treatment of SMIs and SMM. */ #define VMX_ERROR_VMXOFF_DUAL_MONITOR 23 /** 24 VMCALL with invalid SMM-monitor features. */ #define VMX_ERROR_VMCALL_INVALID_SMM_MONITOR 24 /** 25 VM entry with invalid VM-execution control fields in executive VMCS. */ #define VMX_ERROR_VMENTRY_INVALID_VM_EXEC_CTRL 25 /** 26 VM entry with events blocked by MOV SS. */ #define VMX_ERROR_VMENTRY_MOV_SS 26 /** 26 Invalid operand to INVEPT/INVVPID. */ #define VMX_ERROR_INVEPTVPID_INVALID_OPERAND 28 /** @} */ /** @name VMX MSRs - Basic VMX information. * @{ */ /** VMCS revision identifier used by the processor. */ #define MSR_IA32_VMX_BASIC_INFO_VMCS_ID(a) (a & 0x7FFFFFFF) /** Size of the VMCS. */ #define MSR_IA32_VMX_BASIC_INFO_VMCS_SIZE(a) (((a) >> 32) & 0xFFF) /** Width of physical address used for the VMCS. * 0 -> limited to the available amount of physical ram * 1 -> within the first 4 GB */ #define MSR_IA32_VMX_BASIC_INFO_VMCS_PHYS_WIDTH(a) (((a) >> 48) & 1) /** Whether the processor supports the dual-monitor treatment of system-management interrupts and system-management code. (always 1) */ #define MSR_IA32_VMX_BASIC_INFO_VMCS_DUAL_MON(a) (((a) >> 49) & 1) /** Memory type that must be used for the VMCS. */ #define MSR_IA32_VMX_BASIC_INFO_VMCS_MEM_TYPE(a) (((a) >> 50) & 0xF) /** @} */ /** @name VMX MSRs - Misc VMX info. * @{ */ /** Relationship between the preemption timer and tsc; count down every time bit x of the tsc changes. */ #define MSR_IA32_VMX_MISC_PREEMPT_TSC_BIT(a) ((a) & 0x1f) /** Activity states supported by the implementation. */ #define MSR_IA32_VMX_MISC_ACTIVITY_STATES(a) (((a) >> 6) & 0x7) /** Number of CR3 target values supported by the processor. (0-256) */ #define MSR_IA32_VMX_MISC_CR3_TARGET(a) (((a) >> 16) & 0x1FF) /** Maximum nr of MSRs in the VMCS. (N+1)*512. */ #define MSR_IA32_VMX_MISC_MAX_MSR(a) (((((a) >> 25) & 0x7) + 1) * 512) /** MSEG revision identifier used by the processor. */ #define MSR_IA32_VMX_MISC_MSEG_ID(a) ((a) >> 32) /** @} */ /** @name VMX MSRs - VMCS enumeration field info * @{ */ /** Highest field index. */ #define MSR_IA32_VMX_VMCS_ENUM_HIGHEST_INDEX(a) (((a) >> 1) & 0x1FF) /** @} */ /** @name MSR_IA32_VMX_EPT_VPID_CAPS; EPT capabilities MSR * @{ */ #define MSR_IA32_VMX_EPT_VPID_CAP_RWX_X_ONLY RT_BIT_64(0) #define MSR_IA32_VMX_EPT_VPID_CAP_RWX_W_ONLY RT_BIT_64(1) #define MSR_IA32_VMX_EPT_VPID_CAP_RWX_WX_ONLY RT_BIT_64(2) #define MSR_IA32_VMX_EPT_VPID_CAP_GAW_21_BITS RT_BIT_64(3) #define MSR_IA32_VMX_EPT_VPID_CAP_GAW_30_BITS RT_BIT_64(4) #define MSR_IA32_VMX_EPT_VPID_CAP_GAW_39_BITS RT_BIT_64(5) #define MSR_IA32_VMX_EPT_VPID_CAP_GAW_48_BITS RT_BIT_64(6) #define MSR_IA32_VMX_EPT_VPID_CAP_GAW_57_BITS RT_BIT_64(7) #define MSR_IA32_VMX_EPT_VPID_CAP_EMT_UC RT_BIT_64(8) #define MSR_IA32_VMX_EPT_VPID_CAP_EMT_WC RT_BIT_64(9) #define MSR_IA32_VMX_EPT_VPID_CAP_EMT_WT RT_BIT_64(12) #define MSR_IA32_VMX_EPT_VPID_CAP_EMT_WP RT_BIT_64(13) #define MSR_IA32_VMX_EPT_VPID_CAP_EMT_WB RT_BIT_64(14) #define MSR_IA32_VMX_EPT_VPID_CAP_SP_21_BITS RT_BIT_64(16) #define MSR_IA32_VMX_EPT_VPID_CAP_SP_30_BITS RT_BIT_64(17) #define MSR_IA32_VMX_EPT_VPID_CAP_SP_39_BITS RT_BIT_64(18) #define MSR_IA32_VMX_EPT_VPID_CAP_SP_48_BITS RT_BIT_64(19) #define MSR_IA32_VMX_EPT_VPID_CAP_INVEPT RT_BIT_64(20) #define MSR_IA32_VMX_EPT_VPID_CAP_INVEPT_SINGLE_CONTEXT RT_BIT_64(25) #define MSR_IA32_VMX_EPT_VPID_CAP_INVEPT_ALL_CONTEXTS RT_BIT_64(26) #define MSR_IA32_VMX_EPT_VPID_CAP_INVVPID RT_BIT_64(32) #define MSR_IA32_VMX_EPT_VPID_CAP_INVVPID_INDIV_ADDR RT_BIT_64(40) #define MSR_IA32_VMX_EPT_VPID_CAP_INVVPID_SINGLE_CONTEXT RT_BIT_64(41) #define MSR_IA32_VMX_EPT_VPID_CAP_INVVPID_ALL_CONTEXTS RT_BIT_64(42) #define MSR_IA32_VMX_EPT_VPID_CAP_INVVPID_SINGLE_CONTEXT_RETAIN_GLOBALS RT_BIT_64(43) /** @} */ /** @name Extended Page Table Pointer (EPTP) * @{ */ /** Uncachable EPT paging structure memory type. */ #define VMX_EPT_MEMTYPE_UC 0 /** Write-back EPT paging structure memory type. */ #define VMX_EPT_MEMTYPE_WB 6 /** Shift value to get the EPT page walk length (bits 5-3) */ #define VMX_EPT_PAGE_WALK_LENGTH_SHIFT 3 /** Mask value to get the EPT page walk length (bits 5-3) */ #define VMX_EPT_PAGE_WALK_LENGTH_MASK 7 /** Default EPT page-walk length (1 less than the actual EPT page-walk * length) */ #define VMX_EPT_PAGE_WALK_LENGTH_DEFAULT 3 /** @} */ /** @name VMCS field encoding - 16 bits guest fields * @{ */ #define VMX_VMCS16_GUEST_FIELD_VPID 0x0 #define VMX_VMCS16_GUEST_FIELD_ES 0x800 #define VMX_VMCS16_GUEST_FIELD_CS 0x802 #define VMX_VMCS16_GUEST_FIELD_SS 0x804 #define VMX_VMCS16_GUEST_FIELD_DS 0x806 #define VMX_VMCS16_GUEST_FIELD_FS 0x808 #define VMX_VMCS16_GUEST_FIELD_GS 0x80A #define VMX_VMCS16_GUEST_FIELD_LDTR 0x80C #define VMX_VMCS16_GUEST_FIELD_TR 0x80E /** @} */ /** @name VMCS field encoding - 16 bits host fields * @{ */ #define VMX_VMCS16_HOST_FIELD_ES 0xC00 #define VMX_VMCS16_HOST_FIELD_CS 0xC02 #define VMX_VMCS16_HOST_FIELD_SS 0xC04 #define VMX_VMCS16_HOST_FIELD_DS 0xC06 #define VMX_VMCS16_HOST_FIELD_FS 0xC08 #define VMX_VMCS16_HOST_FIELD_GS 0xC0A #define VMX_VMCS16_HOST_FIELD_TR 0xC0C /** @} */ /** @name VMCS field encoding - 64 bits host fields * @{ */ #define VMX_VMCS64_HOST_FIELD_PAT_FULL 0x2C00 #define VMX_VMCS64_HOST_FIELD_PAT_HIGH 0x2C01 #define VMX_VMCS64_HOST_FIELD_EFER_FULL 0x2C02 #define VMX_VMCS64_HOST_FIELD_EFER_HIGH 0x2C03 #define VMX_VMCS64_HOST_PERF_GLOBAL_CTRL_FULL 0x2C04 /**< MSR IA32_PERF_GLOBAL_CTRL */ #define VMX_VMCS64_HOST_PERF_GLOBAL_CTRL_HIGH 0x2C05 /**< MSR IA32_PERF_GLOBAL_CTRL */ /** @} */ /** @name VMCS field encoding - 64 Bits control fields * @{ */ #define VMX_VMCS64_CTRL_IO_BITMAP_A_FULL 0x2000 #define VMX_VMCS64_CTRL_IO_BITMAP_A_HIGH 0x2001 #define VMX_VMCS64_CTRL_IO_BITMAP_B_FULL 0x2002 #define VMX_VMCS64_CTRL_IO_BITMAP_B_HIGH 0x2003 /* Optional */ #define VMX_VMCS64_CTRL_MSR_BITMAP_FULL 0x2004 #define VMX_VMCS64_CTRL_MSR_BITMAP_HIGH 0x2005 #define VMX_VMCS64_CTRL_EXIT_MSR_STORE_FULL 0x2006 #define VMX_VMCS64_CTRL_EXIT_MSR_STORE_HIGH 0x2007 #define VMX_VMCS64_CTRL_EXIT_MSR_LOAD_FULL 0x2008 #define VMX_VMCS64_CTRL_EXIT_MSR_LOAD_HIGH 0x2009 #define VMX_VMCS64_CTRL_ENTRY_MSR_LOAD_FULL 0x200A #define VMX_VMCS64_CTRL_ENTRY_MSR_LOAD_HIGH 0x200B #define VMX_VMCS64_CTRL_EXEC_VMCS_PTR_FULL 0x200C #define VMX_VMCS64_CTRL_EXEC_VMCS_PTR_HIGH 0x200D #define VMX_VMCS64_CTRL_TSC_OFFSET_FULL 0x2010 #define VMX_VMCS64_CTRL_TSC_OFFSET_HIGH 0x2011 /** Optional (VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW) */ #define VMX_VMCS64_CTRL_VAPIC_PAGEADDR_FULL 0x2012 #define VMX_VMCS64_CTRL_VAPIC_PAGEADDR_HIGH 0x2013 /** Optional (VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC) */ #define VMX_VMCS64_CTRL_APIC_ACCESSADDR_FULL 0x2014 #define VMX_VMCS64_CTRL_APIC_ACCESSADDR_HIGH 0x2015 /** Optional (VMX_VMCS_CTRL_PROC_EXEC2_VMFUNC) */ #define VMX_VMCS64_CTRL_VMFUNC_CTRLS_FULL 0x2018 #define VMX_VMCS64_CTRL_VMFUNC_CTRLS_HIGH 0x2019 /** Extended page table pointer. */ #define VMX_VMCS64_CTRL_EPTP_FULL 0x201a #define VMX_VMCS64_CTRL_EPTP_HIGH 0x201b /** Extended page table pointer lists. */ #define VMX_VMCS64_CTRL_EPTP_LIST_FULL 0x2024 #define VMX_VMCS64_CTRL_EPTP_LIST_HIGH 0x2025 /** VM-exit guest phyiscal address. */ #define VMX_VMCS64_EXIT_GUEST_PHYS_ADDR_FULL 0x2400 #define VMX_VMCS64_EXIT_GUEST_PHYS_ADDR_HIGH 0x2401 /** @} */ /** @name VMCS field encoding - 64 Bits guest fields * @{ */ #define VMX_VMCS64_GUEST_VMCS_LINK_PTR_FULL 0x2800 #define VMX_VMCS64_GUEST_VMCS_LINK_PTR_HIGH 0x2801 #define VMX_VMCS64_GUEST_DEBUGCTL_FULL 0x2802 /**< MSR IA32_DEBUGCTL */ #define VMX_VMCS64_GUEST_DEBUGCTL_HIGH 0x2803 /**< MSR IA32_DEBUGCTL */ #define VMX_VMCS64_GUEST_PAT_FULL 0x2804 #define VMX_VMCS64_GUEST_PAT_HIGH 0x2805 #define VMX_VMCS64_GUEST_EFER_FULL 0x2806 #define VMX_VMCS64_GUEST_EFER_HIGH 0x2807 #define VMX_VMCS64_GUEST_PERF_GLOBAL_CTRL_FULL 0x2808 /**< MSR IA32_PERF_GLOBAL_CTRL */ #define VMX_VMCS64_GUEST_PERF_GLOBAL_CTRL_HIGH 0x2809 /**< MSR IA32_PERF_GLOBAL_CTRL */ #define VMX_VMCS64_GUEST_PDPTE0_FULL 0x280A #define VMX_VMCS64_GUEST_PDPTE0_HIGH 0x280B #define VMX_VMCS64_GUEST_PDPTE1_FULL 0x280C #define VMX_VMCS64_GUEST_PDPTE1_HIGH 0x280D #define VMX_VMCS64_GUEST_PDPTE2_FULL 0x280E #define VMX_VMCS64_GUEST_PDPTE2_HIGH 0x280F #define VMX_VMCS64_GUEST_PDPTE3_FULL 0x2810 #define VMX_VMCS64_GUEST_PDPTE3_HIGH 0x2811 /** @} */ /** @name VMCS field encoding - 32 Bits control fields * @{ */ #define VMX_VMCS32_CTRL_PIN_EXEC_CONTROLS 0x4000 #define VMX_VMCS32_CTRL_PROC_EXEC_CONTROLS 0x4002 #define VMX_VMCS32_CTRL_EXCEPTION_BITMAP 0x4004 #define VMX_VMCS32_CTRL_PAGEFAULT_ERROR_MASK 0x4006 #define VMX_VMCS32_CTRL_PAGEFAULT_ERROR_MATCH 0x4008 #define VMX_VMCS32_CTRL_CR3_TARGET_COUNT 0x400A #define VMX_VMCS32_CTRL_EXIT_CONTROLS 0x400C #define VMX_VMCS32_CTRL_EXIT_MSR_STORE_COUNT 0x400E #define VMX_VMCS32_CTRL_EXIT_MSR_LOAD_COUNT 0x4010 #define VMX_VMCS32_CTRL_ENTRY_CONTROLS 0x4012 #define VMX_VMCS32_CTRL_ENTRY_MSR_LOAD_COUNT 0x4014 #define VMX_VMCS32_CTRL_ENTRY_IRQ_INFO 0x4016 #define VMX_VMCS32_CTRL_ENTRY_EXCEPTION_ERRCODE 0x4018 #define VMX_VMCS32_CTRL_ENTRY_INSTR_LENGTH 0x401A #define VMX_VMCS32_CTRL_TPR_THRESHOLD 0x401C #define VMX_VMCS32_CTRL_PROC_EXEC_CONTROLS2 0x401E /** @} */ /** @name VMX_VMCS_CTRL_PIN_EXEC_CONTROLS * @{ */ /** External interrupts cause VM exits if set; otherwise dispatched through the guest's IDT. */ #define VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT RT_BIT(0) /** Non-maskable interrupts cause VM exits if set; otherwise dispatched through the guest's IDT. */ #define VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT RT_BIT(3) /** Virtual NMIs. */ #define VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_VIRTUAL_NMI RT_BIT(5) /** Activate VMX preemption timer. */ #define VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_PREEMPT_TIMER RT_BIT(6) /* All other bits are reserved and must be set according to MSR IA32_VMX_PROCBASED_CTLS. */ /** @} */ /** @name VMX_VMCS_CTRL_PROC_EXEC_CONTROLS * @{ */ /** VM Exit as soon as RFLAGS.IF=1 and no blocking is active. */ #define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT RT_BIT(2) /** Use timestamp counter offset. */ #define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET RT_BIT(3) /** VM Exit when executing the HLT instruction. */ #define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT RT_BIT(7) /** VM Exit when executing the INVLPG instruction. */ #define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT RT_BIT(9) /** VM Exit when executing the MWAIT instruction. */ #define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT RT_BIT(10) /** VM Exit when executing the RDPMC instruction. */ #define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT RT_BIT(11) /** VM Exit when executing the RDTSC/RDTSCP instruction. */ #define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT RT_BIT(12) /** VM Exit when executing the MOV to CR3 instruction. (forced to 1 on the 'first' VT-x capable CPUs; this actually includes the newest Nehalem CPUs) */ #define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_LOAD_EXIT RT_BIT(15) /** VM Exit when executing the MOV from CR3 instruction. (forced to 1 on the 'first' VT-x capable CPUs; this actually includes the newest Nehalem CPUs) */ #define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_STORE_EXIT RT_BIT(16) /** VM Exit on CR8 loads. */ #define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT RT_BIT(19) /** VM Exit on CR8 stores. */ #define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT RT_BIT(20) /** Use TPR shadow. */ #define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW RT_BIT(21) /** VM Exit when virtual nmi blocking is disabled. */ #define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_NMI_WINDOW_EXIT RT_BIT(22) /** VM Exit when executing a MOV DRx instruction. */ #define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT RT_BIT(23) /** VM Exit when executing IO instructions. */ #define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT RT_BIT(24) /** Use IO bitmaps. */ #define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS RT_BIT(25) /** Monitor trap flag. */ #define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_TRAP_FLAG RT_BIT(27) /** Use MSR bitmaps. */ #define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS RT_BIT(28) /** VM Exit when executing the MONITOR instruction. */ #define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT RT_BIT(29) /** VM Exit when executing the PAUSE instruction. */ #define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT RT_BIT(30) /** Determines whether the secondary processor based VM-execution controls are used. */ #define VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL RT_BIT(31) /** @} */ /** @name VMX_VMCS_CTRL_PROC_EXEC_CONTROLS2 * @{ */ /** Virtualize APIC access. */ #define VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC RT_BIT(0) /** EPT supported/enabled. */ #define VMX_VMCS_CTRL_PROC_EXEC2_EPT RT_BIT(1) /** Descriptor table instructions cause VM-exits. */ #define VMX_VMCS_CTRL_PROC_EXEC2_DESCRIPTOR_INSTR_EXIT RT_BIT(2) /** RDTSCP supported/enabled. */ #define VMX_VMCS_CTRL_PROC_EXEC2_RDTSCP RT_BIT(3) /** Virtualize x2APIC mode. */ #define VMX_VMCS_CTRL_PROC_EXEC2_X2APIC RT_BIT(4) /** VPID supported/enabled. */ #define VMX_VMCS_CTRL_PROC_EXEC2_VPID RT_BIT(5) /** VM Exit when executing the WBINVD instruction. */ #define VMX_VMCS_CTRL_PROC_EXEC2_WBINVD_EXIT RT_BIT(6) /** Unrestricted guest execution. */ #define VMX_VMCS_CTRL_PROC_EXEC2_REAL_MODE RT_BIT(7) /** A specified nr of pause loops cause a VM-exit. */ #define VMX_VMCS_CTRL_PROC_EXEC2_PAUSE_LOOP_EXIT RT_BIT(10) /** VM Exit when executing RDRAND instructions. */ #define VMX_VMCS_CTRL_PROC_EXEC2_RDRAND_EXIT RT_BIT(11) /** Enables INVPCID instructions. */ #define VMX_VMCS_CTRL_PROC_EXEC2_INVPCID RT_BIT(12) /** Enables VMFUNC instructions. */ #define VMX_VMCS_CTRL_PROC_EXEC2_VMFUNC RT_BIT(13) /** @} */ /** @name VMX_VMCS_CTRL_ENTRY_CONTROLS * @{ */ /** Load guest debug controls (dr7 & IA32_DEBUGCTL_MSR) (forced to 1 on the 'first' VT-x capable CPUs; this actually includes the newest Nehalem CPUs) */ #define VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_DEBUG RT_BIT(2) /** 64 bits guest mode. Must be 0 for CPUs that don't support AMD64. */ #define VMX_VMCS_CTRL_ENTRY_CONTROLS_IA32E_MODE_GUEST RT_BIT(9) /** In SMM mode after VM-entry. */ #define VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM RT_BIT(10) /** Disable dual treatment of SMI and SMM; must be zero for VM-entry outside of SMM. */ #define VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON RT_BIT(11) /** This control determines whether the guest IA32_PERF_GLOBAL_CTRL MSR is loaded on VM entry. */ #define VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PERF_MSR RT_BIT(13) /** This control determines whether the guest IA32_PAT MSR is loaded on VM entry. */ #define VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PAT_MSR RT_BIT(14) /** This control determines whether the guest IA32_EFER MSR is loaded on VM entry. */ #define VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_EFER_MSR RT_BIT(15) /** @} */ /** @name VMX_VMCS_CTRL_EXIT_CONTROLS * @{ */ /** Save guest debug controls (dr7 & IA32_DEBUGCTL_MSR) (forced to 1 on the 'first' VT-x capable CPUs; this actually includes the newest Nehalem CPUs) */ #define VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_DEBUG RT_BIT(2) /** Return to long mode after a VM-exit. */ #define VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_ADDR_SPACE_SIZE RT_BIT(9) /** This control determines whether the IA32_PERF_GLOBAL_CTRL MSR is loaded on VM exit. */ #define VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_PERF_MSR RT_BIT(12) /** Acknowledge external interrupts with the irq controller if one caused a VM-exit. */ #define VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ RT_BIT(15) /** This control determines whether the guest IA32_PAT MSR is saved on VM exit. */ #define VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_PAT_MSR RT_BIT(18) /** This control determines whether the host IA32_PAT MSR is loaded on VM exit. */ #define VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_PAT_MSR RT_BIT(19) /** This control determines whether the guest IA32_EFER MSR is saved on VM exit. */ #define VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_EFER_MSR RT_BIT(20) /** This control determines whether the host IA32_EFER MSR is loaded on VM exit. */ #define VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_EFER_MSR RT_BIT(21) /** This control determines whether the value of the VMX preemption timer is saved on VM exit. */ #define VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_VMX_PREEMPT_TIMER RT_BIT(22) /** @} */ /** @name VMCS field encoding - 32 Bits read-only fields * @{ */ #define VMX_VMCS32_RO_VM_INSTR_ERROR 0x4400 #define VMX_VMCS32_RO_EXIT_REASON 0x4402 #define VMX_VMCS32_RO_EXIT_INTERRUPTION_INFO 0x4404 #define VMX_VMCS32_RO_EXIT_INTERRUPTION_ERRCODE 0x4406 #define VMX_VMCS32_RO_IDT_INFO 0x4408 #define VMX_VMCS32_RO_IDT_ERRCODE 0x440A #define VMX_VMCS32_RO_EXIT_INSTR_LENGTH 0x440C #define VMX_VMCS32_RO_EXIT_INSTR_INFO 0x440E /** @} */ /** @name VMX_VMCS_RO_EXIT_INTERRUPTION_INFO * @{ */ #define VMX_EXIT_INTERRUPTION_INFO_VECTOR(a) (a & 0xff) #define VMX_EXIT_INTERRUPTION_INFO_TYPE_SHIFT 8 #define VMX_EXIT_INTERRUPTION_INFO_TYPE(a) ((a >> VMX_EXIT_INTERRUPTION_INFO_TYPE_SHIFT) & 7) #define VMX_EXIT_INTERRUPTION_INFO_ERROR_CODE_VALID RT_BIT(11) #define VMX_EXIT_INTERRUPTION_INFO_ERROR_CODE_IS_VALID(a) (a & VMX_EXIT_INTERRUPTION_INFO_ERROR_CODE_VALID) #define VMX_EXIT_INTERRUPTION_INFO_NMI_UNBLOCK(a) (a & RT_BIT(12)) #define VMX_EXIT_INTERRUPTION_INFO_VALID_SHIFT 31 #define VMX_EXIT_INTERRUPTION_INFO_VALID(a) (a & RT_BIT(31)) /** Construct an irq event injection value from the exit interruption info value (same except that bit 12 is reserved). */ #define VMX_VMCS_CTRL_ENTRY_IRQ_INFO_FROM_EXIT_INT_INFO(a) (a & ~RT_BIT(12)) /** @} */ /** @name VMX_VMCS_RO_EXIT_INTERRUPTION_INFO_TYPE * @{ */ #define VMX_EXIT_INTERRUPTION_INFO_TYPE_EXT 0 #define VMX_EXIT_INTERRUPTION_INFO_TYPE_NMI 2 #define VMX_EXIT_INTERRUPTION_INFO_TYPE_HWEXCPT 3 #define VMX_EXIT_INTERRUPTION_INFO_TYPE_SW 4 /**< int xx */ #define VMX_EXIT_INTERRUPTION_INFO_TYPE_DBEXCPT 5 /**< Why are we getting this one?? */ #define VMX_EXIT_INTERRUPTION_INFO_TYPE_SWEXCPT 6 /** @} */ /** @name VMCS field encoding - 32 Bits guest state fields * @{ */ #define VMX_VMCS32_GUEST_ES_LIMIT 0x4800 #define VMX_VMCS32_GUEST_CS_LIMIT 0x4802 #define VMX_VMCS32_GUEST_SS_LIMIT 0x4804 #define VMX_VMCS32_GUEST_DS_LIMIT 0x4806 #define VMX_VMCS32_GUEST_FS_LIMIT 0x4808 #define VMX_VMCS32_GUEST_GS_LIMIT 0x480A #define VMX_VMCS32_GUEST_LDTR_LIMIT 0x480C #define VMX_VMCS32_GUEST_TR_LIMIT 0x480E #define VMX_VMCS32_GUEST_GDTR_LIMIT 0x4810 #define VMX_VMCS32_GUEST_IDTR_LIMIT 0x4812 #define VMX_VMCS32_GUEST_ES_ACCESS_RIGHTS 0x4814 #define VMX_VMCS32_GUEST_CS_ACCESS_RIGHTS 0x4816 #define VMX_VMCS32_GUEST_SS_ACCESS_RIGHTS 0x4818 #define VMX_VMCS32_GUEST_DS_ACCESS_RIGHTS 0x481A #define VMX_VMCS32_GUEST_FS_ACCESS_RIGHTS 0x481C #define VMX_VMCS32_GUEST_GS_ACCESS_RIGHTS 0x481E #define VMX_VMCS32_GUEST_LDTR_ACCESS_RIGHTS 0x4820 #define VMX_VMCS32_GUEST_TR_ACCESS_RIGHTS 0x4822 #define VMX_VMCS32_GUEST_INTERRUPTIBILITY_STATE 0x4824 #define VMX_VMCS32_GUEST_ACTIVITY_STATE 0x4826 #define VMX_VMCS32_GUEST_SYSENTER_CS 0x482A /**< MSR IA32_SYSENTER_CS */ #define VMX_VMCS32_GUEST_PREEMPTION_TIMER_VALUE 0x482E /** @} */ /** @name VMX_VMCS_GUEST_ACTIVITY_STATE * @{ */ /** The logical processor is active. */ #define VMX_CMS_GUEST_ACTIVITY_ACTIVE 0x0 /** The logical processor is inactive, because executed a HLT instruction. */ #define VMX_CMS_GUEST_ACTIVITY_HLT 0x1 /** The logical processor is inactive, because of a triple fault or other serious error. */ #define VMX_CMS_GUEST_ACTIVITY_SHUTDOWN 0x2 /** The logical processor is inactive, because it's waiting for a startup-IPI */ #define VMX_CMS_GUEST_ACTIVITY_SIPI_WAIT 0x3 /** @} */ /** @name VMX_VMCS_GUEST_INTERRUPTIBILITY_STATE * @{ */ #define VMX_VMCS_GUEST_INTERRUPTIBILITY_STATE_BLOCK_STI RT_BIT(0) #define VMX_VMCS_GUEST_INTERRUPTIBILITY_STATE_BLOCK_MOVSS RT_BIT(1) #define VMX_VMCS_GUEST_INTERRUPTIBILITY_STATE_BLOCK_SMI RT_BIT(2) #define VMX_VMCS_GUEST_INTERRUPTIBILITY_STATE_BLOCK_NMI RT_BIT(3) /** @} */ /** @name VMCS field encoding - 32 Bits host state fields * @{ */ #define VMX_VMCS32_HOST_SYSENTER_CS 0x4C00 /** @} */ /** @name Natural width control fields * @{ */ #define VMX_VMCS_CTRL_CR0_MASK 0x6000 #define VMX_VMCS_CTRL_CR4_MASK 0x6002 #define VMX_VMCS_CTRL_CR0_READ_SHADOW 0x6004 #define VMX_VMCS_CTRL_CR4_READ_SHADOW 0x6006 #define VMX_VMCS_CTRL_CR3_TARGET_VAL0 0x6008 #define VMX_VMCS_CTRL_CR3_TARGET_VAL1 0x600A #define VMX_VMCS_CTRL_CR3_TARGET_VAL2 0x600C #define VMX_VMCS_CTRL_CR3_TARGET_VAL31 0x600E /** @} */ /** @name Natural width read-only data fields * @{ */ #define VMX_VMCS_RO_EXIT_QUALIFICATION 0x6400 #define VMX_VMCS_RO_IO_RCX 0x6402 #define VMX_VMCS_RO_IO_RSX 0x6404 #define VMX_VMCS_RO_IO_RDI 0x6406 #define VMX_VMCS_RO_IO_RIP 0x6408 #define VMX_VMCS_EXIT_GUEST_LINEAR_ADDR 0x640A /** @} */ /** @name VMX_VMCS_RO_EXIT_QUALIFICATION * @{ */ /** 0-2: Debug register number */ #define VMX_EXIT_QUALIFICATION_DRX_REGISTER(a) (a & 7) /** 3: Reserved; cleared to 0. */ #define VMX_EXIT_QUALIFICATION_DRX_RES1(a) ((a >> 3) & 1) /** 4: Direction of move (0 = write, 1 = read) */ #define VMX_EXIT_QUALIFICATION_DRX_DIRECTION(a) ((a >> 4) & 1) /** 5-7: Reserved; cleared to 0. */ #define VMX_EXIT_QUALIFICATION_DRX_RES2(a) ((a >> 5) & 7) /** 8-11: General purpose register number. */ #define VMX_EXIT_QUALIFICATION_DRX_GENREG(a) ((a >> 8) & 0xF) /** Rest: reserved. */ /** @} */ /** @name VMX_EXIT_QUALIFICATION_DRX_DIRECTION values * @{ */ #define VMX_EXIT_QUALIFICATION_DRX_DIRECTION_WRITE 0 #define VMX_EXIT_QUALIFICATION_DRX_DIRECTION_READ 1 /** @} */ /** @name CRx accesses * @{ */ /** 0-3: Control register number (0 for CLTS & LMSW) */ #define VMX_EXIT_QUALIFICATION_CRX_REGISTER(a) (a & 0xF) /** 4-5: Access type. */ #define VMX_EXIT_QUALIFICATION_CRX_ACCESS(a) ((a >> 4) & 3) /** 6: LMSW operand type */ #define VMX_EXIT_QUALIFICATION_CRX_LMSW_OP(a) ((a >> 6) & 1) /** 7: Reserved; cleared to 0. */ #define VMX_EXIT_QUALIFICATION_CRX_RES1(a) ((a >> 7) & 1) /** 8-11: General purpose register number (0 for CLTS & LMSW). */ #define VMX_EXIT_QUALIFICATION_CRX_GENREG(a) ((a >> 8) & 0xF) /** 12-15: Reserved; cleared to 0. */ #define VMX_EXIT_QUALIFICATION_CRX_RES2(a) ((a >> 12) & 0xF) /** 16-31: LMSW source data (else 0). */ #define VMX_EXIT_QUALIFICATION_CRX_LMSW_DATA(a) ((a >> 16) & 0xFFFF) /** Rest: reserved. */ /** @} */ /** @name VMX_EXIT_QUALIFICATION_CRX_ACCESS * @{ */ #define VMX_EXIT_QUALIFICATION_CRX_ACCESS_WRITE 0 #define VMX_EXIT_QUALIFICATION_CRX_ACCESS_READ 1 #define VMX_EXIT_QUALIFICATION_CRX_ACCESS_CLTS 2 #define VMX_EXIT_QUALIFICATION_CRX_ACCESS_LMSW 3 /** @} */ /** @name VMX_EXIT_QUALIFICATION_TASK_SWITCH * @{ */ #define VMX_EXIT_QUALIFICATION_TASK_SWITCH_SELECTOR(a) (a & 0xffff) #define VMX_EXIT_QUALIFICATION_TASK_SWITCH_TYPE(a) ((a >> 30)& 0x3) /** Task switch caused by a call instruction. */ #define VMX_EXIT_QUALIFICATION_TASK_SWITCH_TYPE_CALL 0 /** Task switch caused by an iret instruction. */ #define VMX_EXIT_QUALIFICATION_TASK_SWITCH_TYPE_IRET 1 /** Task switch caused by a jmp instruction. */ #define VMX_EXIT_QUALIFICATION_TASK_SWITCH_TYPE_JMP 2 /** Task switch caused by an interrupt gate. */ #define VMX_EXIT_QUALIFICATION_TASK_SWITCH_TYPE_IDT 3 /** @} */ /** @name VMX_EXIT_EPT_VIOLATION * @{ */ /** Set if the violation was caused by a data read. */ #define VMX_EXIT_QUALIFICATION_EPT_DATA_READ RT_BIT(0) /** Set if the violation was caused by a data write. */ #define VMX_EXIT_QUALIFICATION_EPT_DATA_WRITE RT_BIT(1) /** Set if the violation was caused by an insruction fetch. */ #define VMX_EXIT_QUALIFICATION_EPT_INSTR_FETCH RT_BIT(2) /** AND of the present bit of all EPT structures. */ #define VMX_EXIT_QUALIFICATION_EPT_ENTRY_PRESENT RT_BIT(3) /** AND of the write bit of all EPT structures. */ #define VMX_EXIT_QUALIFICATION_EPT_ENTRY_WRITE RT_BIT(4) /** AND of the execute bit of all EPT structures. */ #define VMX_EXIT_QUALIFICATION_EPT_ENTRY_EXECUTE RT_BIT(5) /** Set if the guest linear address field contains the faulting address. */ #define VMX_EXIT_QUALIFICATION_EPT_GUEST_ADDR_VALID RT_BIT(7) /** If bit 7 is one: (reserved otherwise) * 1 - violation due to physical address access. * 0 - violation caused by page walk or access/dirty bit updates */ #define VMX_EXIT_QUALIFICATION_EPT_TRANSLATED_ACCESS RT_BIT(8) /** @} */ /** @name VMX_EXIT_PORT_IO * @{ */ /** 0-2: IO operation width. */ #define VMX_EXIT_QUALIFICATION_IO_WIDTH(a) (a & 7) /** 3: IO operation direction. */ #define VMX_EXIT_QUALIFICATION_IO_DIRECTION(a) ((a >> 3) & 1) /** 4: String IO operation. */ #define VMX_EXIT_QUALIFICATION_IO_STRING(a) ((a >> 4) & 1) /** 5: Repeated IO operation. */ #define VMX_EXIT_QUALIFICATION_IO_REP(a) ((a >> 5) & 1) /** 6: Operand encoding. */ #define VMX_EXIT_QUALIFICATION_IO_ENCODING(a) ((a >> 6) & 1) /** 16-31: IO Port (0-0xffff). */ #define VMX_EXIT_QUALIFICATION_IO_PORT(a) ((a >> 16) & 0xffff) /* Rest reserved. */ /** @} */ /** @name VMX_EXIT_QUALIFICATION_IO_DIRECTION * @{ */ #define VMX_EXIT_QUALIFICATION_IO_DIRECTION_OUT 0 #define VMX_EXIT_QUALIFICATION_IO_DIRECTION_IN 1 /** @} */ /** @name VMX_EXIT_QUALIFICATION_IO_ENCODING * @{ */ #define VMX_EXIT_QUALIFICATION_IO_ENCODING_DX 0 #define VMX_EXIT_QUALIFICATION_IO_ENCODING_IMM 1 /** @} */ /** @name VMX_EXIT_APIC_ACCESS * @{ */ /** 0-11: If the APIC-access VM exit is due to a linear access, the offset of access within the APIC page. */ #define VMX_EXIT_QUALIFICATION_APIC_ACCESS_OFFSET(a) (a & 0xfff) /** 12-15: Access type. */ #define VMX_EXIT_QUALIFICATION_APIC_ACCESS_TYPE(a) ((a >> 12) & 0xf) /* Rest reserved. */ /** @} */ /** @name VMX_EXIT_QUALIFICATION_APIC_ACCESS_TYPE; access types * @{ */ /** Linear read access. */ #define VMX_APIC_ACCESS_TYPE_LINEAR_READ 0 /** Linear write access. */ #define VMX_APIC_ACCESS_TYPE_LINEAR_WRITE 1 /** Linear instruction fetch access. */ #define VMX_APIC_ACCESS_TYPE_LINEAR_INSTR_FETCH 2 /** Linear read/write access during event delivery. */ #define VMX_APIC_ACCESS_TYPE_LINEAR_EVENT_DELIVERY 3 /** Physical read/write access during event delivery. */ #define VMX_APIC_ACCESS_TYPE_PHYSICAL_EVENT_DELIVERY 10 /** Physical access for an instruction fetch or during instruction execution. */ #define VMX_APIC_ACCESS_TYPE_PHYSICAL_INSTR 15 /** @} */ /** @} */ /** @name VMCS field encoding - Natural width guest state fields * @{ */ #define VMX_VMCS_GUEST_CR0 0x6800 #define VMX_VMCS_GUEST_CR3 0x6802 #define VMX_VMCS_GUEST_CR4 0x6804 #define VMX_VMCS_GUEST_ES_BASE 0x6806 #define VMX_VMCS_GUEST_CS_BASE 0x6808 #define VMX_VMCS_GUEST_SS_BASE 0x680A #define VMX_VMCS_GUEST_DS_BASE 0x680C #define VMX_VMCS_GUEST_FS_BASE 0x680E #define VMX_VMCS_GUEST_GS_BASE 0x6810 #define VMX_VMCS_GUEST_LDTR_BASE 0x6812 #define VMX_VMCS_GUEST_TR_BASE 0x6814 #define VMX_VMCS_GUEST_GDTR_BASE 0x6816 #define VMX_VMCS_GUEST_IDTR_BASE 0x6818 #define VMX_VMCS_GUEST_DR7 0x681A #define VMX_VMCS_GUEST_RSP 0x681C #define VMX_VMCS_GUEST_RIP 0x681E #define VMX_VMCS_GUEST_RFLAGS 0x6820 #define VMX_VMCS_GUEST_DEBUG_EXCEPTIONS 0x6822 #define VMX_VMCS_GUEST_SYSENTER_ESP 0x6824 /**< MSR IA32_SYSENTER_ESP */ #define VMX_VMCS_GUEST_SYSENTER_EIP 0x6826 /**< MSR IA32_SYSENTER_EIP */ /** @} */ /** @name VMX_VMCS_GUEST_DEBUG_EXCEPTIONS * @{ */ /** Hardware breakpoint 0 was met. */ #define VMX_VMCS_GUEST_DEBUG_EXCEPTIONS_B0 RT_BIT(0) /** Hardware breakpoint 1 was met. */ #define VMX_VMCS_GUEST_DEBUG_EXCEPTIONS_B1 RT_BIT(1) /** Hardware breakpoint 2 was met. */ #define VMX_VMCS_GUEST_DEBUG_EXCEPTIONS_B2 RT_BIT(2) /** Hardware breakpoint 3 was met. */ #define VMX_VMCS_GUEST_DEBUG_EXCEPTIONS_B3 RT_BIT(3) /** At least one data or IO breakpoint was hit. */ #define VMX_VMCS_GUEST_DEBUG_EXCEPTIONS_BREAKPOINT_ENABLED RT_BIT(12) /** A debug exception would have been triggered by single-step execution mode. */ #define VMX_VMCS_GUEST_DEBUG_EXCEPTIONS_BS RT_BIT(14) /** Bits 4-11, 13 and 15-63 are reserved. */ /** @} */ /** @name VMCS field encoding - Natural width host state fields * @{ */ #define VMX_VMCS_HOST_CR0 0x6C00 #define VMX_VMCS_HOST_CR3 0x6C02 #define VMX_VMCS_HOST_CR4 0x6C04 #define VMX_VMCS_HOST_FS_BASE 0x6C06 #define VMX_VMCS_HOST_GS_BASE 0x6C08 #define VMX_VMCS_HOST_TR_BASE 0x6C0A #define VMX_VMCS_HOST_GDTR_BASE 0x6C0C #define VMX_VMCS_HOST_IDTR_BASE 0x6C0E #define VMX_VMCS_HOST_SYSENTER_ESP 0x6C10 #define VMX_VMCS_HOST_SYSENTER_EIP 0x6C12 #define VMX_VMCS_HOST_RSP 0x6C14 #define VMX_VMCS_HOST_RIP 0x6C16 /** @} */ /** @} */ #if RT_INLINE_ASM_GNU_STYLE # define __STR(x) #x # define STR(x) __STR(x) #endif /** @defgroup grp_vmx_asm vmx assembly helpers * @ingroup grp_vmx * @{ */ /** * Executes VMXON * * @returns VBox status code * @param pVMXOn Physical address of VMXON structure */ #if RT_INLINE_ASM_EXTERNAL || HC_ARCH_BITS == 64 || defined(VBOX_WITH_HYBRID_32BIT_KERNEL) DECLASM(int) VMXEnable(RTHCPHYS pVMXOn); #else DECLINLINE(int) VMXEnable(RTHCPHYS pVMXOn) { int rc = VINF_SUCCESS; # if RT_INLINE_ASM_GNU_STYLE __asm__ __volatile__ ( "push %3 \n\t" "push %2 \n\t" ".byte 0xF3, 0x0F, 0xC7, 0x34, 0x24 # VMXON [esp] \n\t" "ja 2f \n\t" "je 1f \n\t" "movl $"STR(VERR_VMX_INVALID_VMXON_PTR)", %0 \n\t" "jmp 2f \n\t" "1: \n\t" "movl $"STR(VERR_VMX_GENERIC)", %0 \n\t" "2: \n\t" "add $8, %%esp \n\t" :"=rm"(rc) :"0"(VINF_SUCCESS), "ir"((uint32_t)pVMXOn), /* don't allow direct memory reference here, */ "ir"((uint32_t)(pVMXOn >> 32)) /* this would not work with -fomit-frame-pointer */ :"memory" ); # else __asm { push dword ptr [pVMXOn+4] push dword ptr [pVMXOn] _emit 0xF3 _emit 0x0F _emit 0xC7 _emit 0x34 _emit 0x24 /* VMXON [esp] */ jnc vmxon_good mov dword ptr [rc], VERR_VMX_INVALID_VMXON_PTR jmp the_end vmxon_good: jnz the_end mov dword ptr [rc], VERR_VMX_GENERIC the_end: add esp, 8 } # endif return rc; } #endif /** * Executes VMXOFF */ #if RT_INLINE_ASM_EXTERNAL || HC_ARCH_BITS == 64 || defined(VBOX_WITH_HYBRID_32BIT_KERNEL) DECLASM(void) VMXDisable(void); #else DECLINLINE(void) VMXDisable(void) { # if RT_INLINE_ASM_GNU_STYLE __asm__ __volatile__ ( ".byte 0x0F, 0x01, 0xC4 # VMXOFF \n\t" ); # else __asm { _emit 0x0F _emit 0x01 _emit 0xC4 /* VMXOFF */ } # endif } #endif /** * Executes VMCLEAR * * @returns VBox status code * @param pVMCS Physical address of VM control structure */ #if RT_INLINE_ASM_EXTERNAL || HC_ARCH_BITS == 64 || defined(VBOX_WITH_HYBRID_32BIT_KERNEL) DECLASM(int) VMXClearVMCS(RTHCPHYS pVMCS); #else DECLINLINE(int) VMXClearVMCS(RTHCPHYS pVMCS) { int rc = VINF_SUCCESS; # if RT_INLINE_ASM_GNU_STYLE __asm__ __volatile__ ( "push %3 \n\t" "push %2 \n\t" ".byte 0x66, 0x0F, 0xC7, 0x34, 0x24 # VMCLEAR [esp] \n\t" "jnc 1f \n\t" "movl $"STR(VERR_VMX_INVALID_VMCS_PTR)", %0 \n\t" "1: \n\t" "add $8, %%esp \n\t" :"=rm"(rc) :"0"(VINF_SUCCESS), "ir"((uint32_t)pVMCS), /* don't allow direct memory reference here, */ "ir"((uint32_t)(pVMCS >> 32)) /* this would not work with -fomit-frame-pointer */ :"memory" ); # else __asm { push dword ptr [pVMCS+4] push dword ptr [pVMCS] _emit 0x66 _emit 0x0F _emit 0xC7 _emit 0x34 _emit 0x24 /* VMCLEAR [esp] */ jnc success mov dword ptr [rc], VERR_VMX_INVALID_VMCS_PTR success: add esp, 8 } # endif return rc; } #endif /** * Executes VMPTRLD * * @returns VBox status code * @param pVMCS Physical address of VMCS structure */ #if RT_INLINE_ASM_EXTERNAL || HC_ARCH_BITS == 64 || defined(VBOX_WITH_HYBRID_32BIT_KERNEL) DECLASM(int) VMXActivateVMCS(RTHCPHYS pVMCS); #else DECLINLINE(int) VMXActivateVMCS(RTHCPHYS pVMCS) { int rc = VINF_SUCCESS; # if RT_INLINE_ASM_GNU_STYLE __asm__ __volatile__ ( "push %3 \n\t" "push %2 \n\t" ".byte 0x0F, 0xC7, 0x34, 0x24 # VMPTRLD [esp] \n\t" "jnc 1f \n\t" "movl $"STR(VERR_VMX_INVALID_VMCS_PTR)", %0 \n\t" "1: \n\t" "add $8, %%esp \n\t" :"=rm"(rc) :"0"(VINF_SUCCESS), "ir"((uint32_t)pVMCS), /* don't allow direct memory reference here, */ "ir"((uint32_t)(pVMCS >> 32)) /* this will not work with -fomit-frame-pointer */ ); # else __asm { push dword ptr [pVMCS+4] push dword ptr [pVMCS] _emit 0x0F _emit 0xC7 _emit 0x34 _emit 0x24 /* VMPTRLD [esp] */ jnc success mov dword ptr [rc], VERR_VMX_INVALID_VMCS_PTR success: add esp, 8 } # endif return rc; } #endif /** * Executes VMPTRST * * @returns VBox status code * @param pVMCS Address that will receive the current pointer */ DECLASM(int) VMXGetActivateVMCS(RTHCPHYS *pVMCS); /** * Executes VMWRITE * * @returns VBox status code * @param idxField VMCS index * @param u32Val 32 bits value */ #if RT_INLINE_ASM_EXTERNAL || HC_ARCH_BITS == 64 || defined(VBOX_WITH_HYBRID_32BIT_KERNEL) DECLASM(int) VMXWriteVmcs32(uint32_t idxField, uint32_t u32Val); #else DECLINLINE(int) VMXWriteVmcs32(uint32_t idxField, uint32_t u32Val) { int rc = VINF_SUCCESS; # if RT_INLINE_ASM_GNU_STYLE __asm__ __volatile__ ( ".byte 0x0F, 0x79, 0xC2 # VMWRITE eax, edx \n\t" "ja 2f \n\t" "je 1f \n\t" "movl $"STR(VERR_VMX_INVALID_VMCS_PTR)", %0 \n\t" "jmp 2f \n\t" "1: \n\t" "movl $"STR(VERR_VMX_INVALID_VMCS_FIELD)", %0 \n\t" "2: \n\t" :"=rm"(rc) :"0"(VINF_SUCCESS), "a"(idxField), "d"(u32Val) ); # else __asm { push dword ptr [u32Val] mov eax, [idxField] _emit 0x0F _emit 0x79 _emit 0x04 _emit 0x24 /* VMWRITE eax, [esp] */ jnc valid_vmcs mov dword ptr [rc], VERR_VMX_INVALID_VMCS_PTR jmp the_end valid_vmcs: jnz the_end mov dword ptr [rc], VERR_VMX_INVALID_VMCS_FIELD the_end: add esp, 4 } # endif return rc; } #endif /** * Executes VMWRITE * * @returns VBox status code * @param idxField VMCS index * @param u64Val 16, 32 or 64 bits value */ #if HC_ARCH_BITS == 64 || defined(VBOX_WITH_HYBRID_32BIT_KERNEL) DECLASM(int) VMXWriteVmcs64(uint32_t idxField, uint64_t u64Val); #else VMMR0DECL(int) VMXWriteVmcs64Ex(PVMCPU pVCpu, uint32_t idxField, uint64_t u64Val); #define VMXWriteVmcs64(idxField, u64Val) VMXWriteVmcs64Ex(pVCpu, idxField, u64Val) #endif #if HC_ARCH_BITS == 64 #define VMXWriteVmcs VMXWriteVmcs64 #else #define VMXWriteVmcs VMXWriteVmcs32 #endif /* HC_ARCH_BITS == 64 */ /** * Invalidate a page using invept * @returns VBox status code * @param enmFlush Type of flush * @param pDescriptor Descriptor */ DECLASM(int) VMXR0InvEPT(VMX_FLUSH_EPT enmFlush, uint64_t *pDescriptor); /** * Invalidate a page using invvpid * @returns VBox status code * @param enmFlush Type of flush * @param pDescriptor Descriptor */ DECLASM(int) VMXR0InvVPID(VMX_FLUSH_VPID enmFlush, uint64_t *pDescriptor); /** * Executes VMREAD * * @returns VBox status code * @param idxField VMCS index * @param pData Ptr to store VM field value */ #if RT_INLINE_ASM_EXTERNAL || HC_ARCH_BITS == 64 || defined(VBOX_WITH_HYBRID_32BIT_KERNEL) DECLASM(int) VMXReadVmcs32(uint32_t idxField, uint32_t *pData); #else DECLINLINE(int) VMXReadVmcs32(uint32_t idxField, uint32_t *pData) { int rc = VINF_SUCCESS; # if RT_INLINE_ASM_GNU_STYLE __asm__ __volatile__ ( "movl $"STR(VINF_SUCCESS)", %0 \n\t" ".byte 0x0F, 0x78, 0xc2 # VMREAD eax, edx \n\t" "ja 2f \n\t" "je 1f \n\t" "movl $"STR(VERR_VMX_INVALID_VMCS_PTR)", %0 \n\t" "jmp 2f \n\t" "1: \n\t" "movl $"STR(VERR_VMX_INVALID_VMCS_FIELD)", %0 \n\t" "2: \n\t" :"=&r"(rc), "=d"(*pData) :"a"(idxField), "d"(0) ); # else __asm { sub esp, 4 mov dword ptr [esp], 0 mov eax, [idxField] _emit 0x0F _emit 0x78 _emit 0x04 _emit 0x24 /* VMREAD eax, [esp] */ mov edx, pData pop dword ptr [edx] jnc valid_vmcs mov dword ptr [rc], VERR_VMX_INVALID_VMCS_PTR jmp the_end valid_vmcs: jnz the_end mov dword ptr [rc], VERR_VMX_INVALID_VMCS_FIELD the_end: } # endif return rc; } #endif /** * Executes VMREAD * * @returns VBox status code * @param idxField VMCS index * @param pData Ptr to store VM field value */ #if HC_ARCH_BITS == 64 || defined(VBOX_WITH_HYBRID_32BIT_KERNEL) DECLASM(int) VMXReadVmcs64(uint32_t idxField, uint64_t *pData); #else DECLINLINE(int) VMXReadVmcs64(uint32_t idxField, uint64_t *pData) { int rc; uint32_t val_hi, val; rc = VMXReadVmcs32(idxField, &val); rc |= VMXReadVmcs32(idxField + 1, &val_hi); AssertRC(rc); *pData = RT_MAKE_U64(val, val_hi); return rc; } #endif #if HC_ARCH_BITS == 64 # define VMXReadVmcs VMXReadVmcs64 #else # define VMXReadVmcs VMXReadVmcs32 #endif /* HC_ARCH_BITS == 64 */ /** * Gets the last instruction error value from the current VMCS * * @returns error value */ DECLINLINE(uint32_t) VMXGetLastError(void) { #if HC_ARCH_BITS == 64 uint64_t uLastError = 0; int rc = VMXReadVmcs64(VMX_VMCS32_RO_VM_INSTR_ERROR, &uLastError); AssertRC(rc); return (uint32_t)uLastError; #else /* 32-bit host: */ uint32_t uLastError = 0; int rc = VMXReadVmcs32(VMX_VMCS32_RO_VM_INSTR_ERROR, &uLastError); AssertRC(rc); return uLastError; #endif } #ifdef IN_RING0 VMMR0DECL(int) VMXR0InvalidatePage(PVM pVM, PVMCPU pVCpu, RTGCPTR GCVirt); VMMR0DECL(int) VMXR0InvalidatePhysPage(PVM pVM, PVMCPU pVCpu, RTGCPHYS GCPhys); #endif /* IN_RING0 */ /** @} */ #endif