freebsd-skq/sys/xen/interface/arch-x86/cpuid.h
gibbs d4000dfe1d Upgrade Xen interface headers to Xen 4.2.1.
Move FreeBSD from interface version 0x00030204 to 0x00030208.
Updates are required to our grant table implementation before we
can bump this further.

sys/xen/hvm.h:
	Replace the implementation of hvm_get_parameter(), formerly located
	in sys/xen/interface/hvm/params.h.  Linux has a similar file which
	primarily stores this function.

sys/xen/xenstore/xenstore.c:
	Include new xen/hvm.h header file to get hvm_get_parameter().

sys/amd64/include/xen/xen-os.h:
sys/i386/include/xen/xen-os.h:
	Correctly protect function definition and variables from being
	included into assembly files in xen-os.h

	Xen memory barriers are now prefixed with "xen_" to avoid conflicts
	with OS native primatives.  Define Xen memory barriers in terms of
	the native FreeBSD primatives.

Sponsored by:	Spectra Logic Corporation
Reviewed by:	Roger Pau Monné
Tested by:	Roger Pau Monné
Obtained from:	Roger Pau Monné (bug fixes)
2013-06-14 23:43:44 +00:00

69 lines
2.5 KiB
C

/******************************************************************************
* arch-x86/cpuid.h
*
* CPUID interface to Xen.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Copyright (c) 2007 Citrix Systems, Inc.
*
* Authors:
* Keir Fraser <keir@xen.org>
*/
#ifndef __XEN_PUBLIC_ARCH_X86_CPUID_H__
#define __XEN_PUBLIC_ARCH_X86_CPUID_H__
/* Xen identification leaves start at 0x40000000. */
#define XEN_CPUID_FIRST_LEAF 0x40000000
#define XEN_CPUID_LEAF(i) (XEN_CPUID_FIRST_LEAF + (i))
/*
* Leaf 1 (0x40000000)
* EAX: Largest Xen-information leaf. All leaves up to an including @EAX
* are supported by the Xen host.
* EBX-EDX: "XenVMMXenVMM" signature, allowing positive identification
* of a Xen host.
*/
#define XEN_CPUID_SIGNATURE_EBX 0x566e6558 /* "XenV" */
#define XEN_CPUID_SIGNATURE_ECX 0x65584d4d /* "MMXe" */
#define XEN_CPUID_SIGNATURE_EDX 0x4d4d566e /* "nVMM" */
/*
* Leaf 2 (0x40000001)
* EAX[31:16]: Xen major version.
* EAX[15: 0]: Xen minor version.
* EBX-EDX: Reserved (currently all zeroes).
*/
/*
* Leaf 3 (0x40000002)
* EAX: Number of hypercall transfer pages. This register is always guaranteed
* to specify one hypercall page.
* EBX: Base address of Xen-specific MSRs.
* ECX: Features 1. Unused bits are set to zero.
* EDX: Features 2. Unused bits are set to zero.
*/
/* Does the host support MMU_PT_UPDATE_PRESERVE_AD for this guest? */
#define _XEN_CPUID_FEAT1_MMU_PT_UPDATE_PRESERVE_AD 0
#define XEN_CPUID_FEAT1_MMU_PT_UPDATE_PRESERVE_AD (1u<<0)
#endif /* __XEN_PUBLIC_ARCH_X86_CPUID_H__ */