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+/******************************************************************************
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+ * hypervisor.h
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+ *
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+ * Linux-specific hypervisor handling.
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+ *
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+ * Copyright (c) 2002-2004, K A Fraser
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+ *
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+ * This program is free software; you can redistribute it and/or
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+ * modify it under the terms of the GNU General Public License version 2
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+ * as published by the Free Software Foundation; or, when distributed
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+ * separately from the Linux kernel or incorporated into other
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+ * software packages, subject to the following license:
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+ *
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+ * Permission is hereby granted, free of charge, to any person obtaining a copy
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+ * of this source file (the "Software"), to deal in the Software without
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+ * restriction, including without limitation the rights to use, copy, modify,
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+ * merge, publish, distribute, sublicense, and/or sell copies of the Software,
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+ * and to permit persons to whom the Software is furnished to do so, subject to
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+ * the following conditions:
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+ *
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+ * The above copyright notice and this permission notice shall be included in
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+ * all copies or substantial portions of the Software.
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+ *
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+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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+ * IN THE SOFTWARE.
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+ */
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+
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+#ifndef _ASM_IA64_XEN_HYPERVISOR_H
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+#define _ASM_IA64_XEN_HYPERVISOR_H
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+
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+#ifdef CONFIG_XEN
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+
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+#include <linux/init.h>
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+#include <xen/interface/xen.h>
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+#include <xen/interface/version.h> /* to compile feature.c */
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+#include <xen/features.h> /* to comiple xen-netfront.c */
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+#include <asm/xen/hypercall.h>
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+
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+/* xen_domain_type is set before executing any C code by early_xen_setup */
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+enum xen_domain_type {
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+ XEN_NATIVE,
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+ XEN_PV_DOMAIN,
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+ XEN_HVM_DOMAIN,
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+};
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+
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+extern enum xen_domain_type xen_domain_type;
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+
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+#define xen_domain() (xen_domain_type != XEN_NATIVE)
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+#define xen_pv_domain() (xen_domain_type == XEN_PV_DOMAIN)
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+#define xen_initial_domain() (xen_pv_domain() && \
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+ (xen_start_info->flags & SIF_INITDOMAIN))
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+#define xen_hvm_domain() (xen_domain_type == XEN_HVM_DOMAIN)
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+
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+/* deprecated. remove this */
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+#define is_running_on_xen() (xen_domain_type == XEN_PV_DOMAIN)
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+
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+extern struct start_info *xen_start_info;
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+
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+#else /* CONFIG_XEN */
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+
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+#define xen_domain() (0)
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+#define xen_pv_domain() (0)
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+#define xen_initial_domain() (0)
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+#define xen_hvm_domain() (0)
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+#define is_running_on_xen() (0) /* deprecated. remove this */
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+#endif
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+
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+#define is_initial_xendomain() (0) /* deprecated. remove this */
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+
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+#endif /* _ASM_IA64_XEN_HYPERVISOR_H */
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