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- /******************************************************************************
- * hypervisor.h
- *
- * Linux-specific hypervisor handling.
- *
- * Copyright (c) 2002-2004, K A Fraser
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation; or, when distributed
- * separately from the Linux kernel or incorporated into other
- * software packages, subject to the following license:
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this source file (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.
- */
- #ifndef _ASM_X86_XEN_HYPERVISOR_H
- #define _ASM_X86_XEN_HYPERVISOR_H
- /* arch/i386/kernel/setup.c */
- extern struct shared_info *HYPERVISOR_shared_info;
- extern struct start_info *xen_start_info;
- enum xen_domain_type {
- XEN_NATIVE, /* running on bare hardware */
- XEN_PV_DOMAIN, /* running in a PV domain */
- XEN_HVM_DOMAIN, /* running in a Xen hvm domain */
- };
- #ifdef CONFIG_XEN
- extern enum xen_domain_type xen_domain_type;
- #else
- #define xen_domain_type XEN_NATIVE
- #endif
- #define xen_domain() (xen_domain_type != XEN_NATIVE)
- #define xen_pv_domain() (xen_domain() && \
- xen_domain_type == XEN_PV_DOMAIN)
- #define xen_hvm_domain() (xen_domain() && \
- xen_domain_type == XEN_HVM_DOMAIN)
- #ifdef CONFIG_XEN_DOM0
- #include <xen/interface/xen.h>
- #define xen_initial_domain() (xen_pv_domain() && \
- xen_start_info->flags & SIF_INITDOMAIN)
- #else /* !CONFIG_XEN_DOM0 */
- #define xen_initial_domain() (0)
- #endif /* CONFIG_XEN_DOM0 */
- #endif /* _ASM_X86_XEN_HYPERVISOR_H */
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