| Jeremy Fitzhardinge | a42089d | 2007-07-17 18:37:04 -0700 | [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 __HYPERVISOR_H__ |
| 34 | #define __HYPERVISOR_H__ |
| 35 | |
| 36 | #include <linux/types.h> |
| 37 | #include <linux/kernel.h> |
| 38 | #include <linux/version.h> |
| 39 | |
| 40 | #include <xen/interface/xen.h> |
| 41 | #include <xen/interface/version.h> |
| 42 | |
| 43 | #include <asm/ptrace.h> |
| 44 | #include <asm/page.h> |
| Jeremy Fitzhardinge | 4bac07c | 2007-07-17 18:37:06 -0700 | [diff] [blame] | 45 | #include <asm/desc.h> |
| Jeremy Fitzhardinge | a42089d | 2007-07-17 18:37:04 -0700 | [diff] [blame] | 46 | #if defined(__i386__) |
| 47 | # ifdef CONFIG_X86_PAE |
| 48 | # include <asm-generic/pgtable-nopud.h> |
| 49 | # else |
| 50 | # include <asm-generic/pgtable-nopmd.h> |
| 51 | # endif |
| 52 | #endif |
| 53 | #include <asm/xen/hypercall.h> |
| 54 | |
| 55 | /* arch/i386/kernel/setup.c */ |
| 56 | extern struct shared_info *HYPERVISOR_shared_info; |
| 57 | extern struct start_info *xen_start_info; |
| 58 | #define is_initial_xendomain() (xen_start_info->flags & SIF_INITDOMAIN) |
| 59 | |
| 60 | /* arch/i386/mach-xen/evtchn.c */ |
| 61 | /* Force a proper event-channel callback from Xen. */ |
| 62 | extern void force_evtchn_callback(void); |
| 63 | |
| 64 | /* Turn jiffies into Xen system time. */ |
| 65 | u64 jiffies_to_st(unsigned long jiffies); |
| 66 | |
| 67 | |
| 68 | #define MULTI_UVMFLAGS_INDEX 3 |
| 69 | #define MULTI_UVMDOMID_INDEX 4 |
| 70 | |
| 71 | #define is_running_on_xen() (xen_start_info ? 1 : 0) |
| 72 | |
| 73 | #endif /* __HYPERVISOR_H__ */ |