cb_s

include vmm.inc

cb_s    struc
CB_VM_Status        dd   ?  ; VM status; see below
CB_High_Linear      dd   ?  ; base linear address; see below
CB_Client_Pointer   dd   ?  ; see below
CB_VMID             dd   ?  ; virtual machine ID
CB_Signature        dd   ?  ; see below
cb_s    ends

Virtual machine control block. Contains information about and the status of a virtual machine. The handle of a virtual machine is also the address of its corresponding cb_s structure. All fields in this structure are read-only.

CB_VM_Status

Value specifying the status of the virtual machine. Can be zero or more of these values:

Value	Meaning
VMStat_Awakening	Virtual machine is waking up after being blocked on a semaphore.
VMStat_Background	Virtual machine runs in the background.
VMStat_Blocked	Virtual machine is blocked on a semaphore.
VMStat_Closing	Virtual machine has received a Close_VM message.
VMStat_Creating	Virtual machine is being created.
VMStat_Exclusive	Virtual machine is in exclusive mode.
VMStat_High_Pri_Back	Virtual machine has high priority background execution.
VMStat_Idle	Virtual machine has released its time slice.
VMStat_Not_Executable	Virtual machine is partially destroyed.
VMStat_PageableV86	Virtual machine has pageable V86 memory (protected-mode application). The default behavior for one or more pages in V86 memory has been modified and the _GetV86PageableArray service returns at least one nonzero bit in the array.
VMStat_PM_App	Virtual machine contains a protected-mode application.
VMStat_PM_Exec	Virtual machine execution currently in a protected-mode application.
VMStat_PM_Use32	Virtual machine contains a 32-bit protected-mode application.
VMStat_Suspended	Virtual machine is not scheduled.
VMStat_TS_Sched	Virtual machine is scheduled by the time slicer.
VMStat_V86IntsLocked	Virtual machine locks any V86 memory that cannot be paged. Locking regardless of the pager type has been enabled for the virtual machine.
VMStat_VxD_Exec	Virtual machine has received a call from a virtual device.

CB_High_Linear

Base address of the virtual machine's memory in the ring-0 linear address space. Virtual devices can access memory in a virtual machine by adding the appropriate V86-mode linear address to this value.

CB_Client_Pointer

Address of a Client_Reg_Struc structure containing the register values for the virtual machine.

CB_VMID

Virtual machine identifier.

CB_Signature

Value VMCB_ID.

cb_s

See Also