// wdm.h

typedef struct _IO_SECURITY_CONTEXT {
  PSECURITY_QUALITY_OF_SERVICE SecurityQos;
  PACCESS_STATE                AccessState;
  ACCESS_MASK                  DesiredAccess;
  ULONG                        FullCreateOptions;
} IO_SECURITY_CONTEXT, *PIO_SECURITY_CONTEXT;
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Windows Driver Kit DDI reference (ns-wdm-_io_security_context)

_IO_SECURITY_CONTEXT structure

Description

The IO_SECURITY_CONTEXT structure represents the security context of an IRP_MJ_CREATE request.

Members

`SecurityQos`

Reserved for system use.

`AccessState`

Reserved for use by file systems and file system filter drivers. This member is a pointer to an ACCESS_STATE structure that contains the object's subject context, granted access types, and remaining desired access types.

`DesiredAccess`

An ACCESS_MASK value that expresses the access rights that are requested in the IRP_MJ_CREATE request.

`FullCreateOptions`