| Isaku Yamahata | c7fdaf3 | 2008-10-17 11:17:57 +0900 | [diff] [blame^] | 1 | /****************************************************************************** |
| 2 | * hypervisor.h |
| 3 | * |
| 4 | * Linux-specific hypervisor handling. |
| 5 | * |
| 6 | * Copyright (c) 2002-2004, K A Fraser |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public License version 2 |
| 10 | * as published by the Free Software Foundation; or, when distributed |
| 11 | * separately from the Linux kernel or incorporated into other |
| 12 | * software packages, subject to the following license: |
| 13 | * |
| 14 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 15 | * of this source file (the "Software"), to deal in the Software without |
| 16 | * restriction, including without limitation the rights to use, copy, modify, |
| 17 | * merge, publish, distribute, sublicense, and/or sell copies of the Software, |
| 18 | * and to permit persons to whom the Software is furnished to do so, subject to |
| 19 | * the following conditions: |
| 20 | * |
| 21 | * The above copyright notice and this permission notice shall be included in |
| 22 | * all copies or substantial portions of the Software. |
| 23 | * |
| 24 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 25 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 26 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 27 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 28 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| 29 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| 30 | * IN THE SOFTWARE. |
| 31 | */ |
| 32 | |
| 33 | #ifndef _ASM_IA64_XEN_HYPERVISOR_H |
| 34 | #define _ASM_IA64_XEN_HYPERVISOR_H |
| 35 | |
| 36 | #ifdef CONFIG_XEN |
| 37 | |
| 38 | #include <linux/init.h> |
| 39 | #include <xen/interface/xen.h> |
| 40 | #include <xen/interface/version.h> /* to compile feature.c */ |
| 41 | #include <xen/features.h> /* to comiple xen-netfront.c */ |
| 42 | #include <asm/xen/hypercall.h> |
| 43 | |
| 44 | /* xen_domain_type is set before executing any C code by early_xen_setup */ |
| 45 | enum xen_domain_type { |
| 46 | XEN_NATIVE, |
| 47 | XEN_PV_DOMAIN, |
| 48 | XEN_HVM_DOMAIN, |
| 49 | }; |
| 50 | |
| 51 | extern enum xen_domain_type xen_domain_type; |
| 52 | |
| 53 | #define xen_domain() (xen_domain_type != XEN_NATIVE) |
| 54 | #define xen_pv_domain() (xen_domain_type == XEN_PV_DOMAIN) |
| 55 | #define xen_initial_domain() (xen_pv_domain() && \ |
| 56 | (xen_start_info->flags & SIF_INITDOMAIN)) |
| 57 | #define xen_hvm_domain() (xen_domain_type == XEN_HVM_DOMAIN) |
| 58 | |
| 59 | /* deprecated. remove this */ |
| 60 | #define is_running_on_xen() (xen_domain_type == XEN_PV_DOMAIN) |
| 61 | |
| 62 | extern struct start_info *xen_start_info; |
| 63 | |
| 64 | #else /* CONFIG_XEN */ |
| 65 | |
| 66 | #define xen_domain() (0) |
| 67 | #define xen_pv_domain() (0) |
| 68 | #define xen_initial_domain() (0) |
| 69 | #define xen_hvm_domain() (0) |
| 70 | #define is_running_on_xen() (0) /* deprecated. remove this */ |
| 71 | #endif |
| 72 | |
| 73 | #define is_initial_xendomain() (0) /* deprecated. remove this */ |
| 74 | |
| 75 | #endif /* _ASM_IA64_XEN_HYPERVISOR_H */ |