diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-23 08:07:35 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-23 08:07:35 -0700 |
commit | 72441bdc76f7f71d7b75cdaa48f26dbb1f3d932e (patch) | |
tree | df818d5e210c0c31c6634d43401d02a99ee87d1b /arch/ia64/include/asm/xen/hypervisor.h | |
parent | 2515ddc6db8eb49a79f0fe5e67ff09ac7c81eab4 (diff) | |
parent | fe393164c529f72def1952fb66c11732d0984d78 (diff) |
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: (41 commits)
[IA64] Fix annoying IA64_TR_ALLOC_MAX message.
[IA64] kill sys32_pipe
[IA64] remove sys32_pause
[IA64] Add Variable Page Size and IA64 Support in Intel IOMMU
ia64/pv_ops: paravirtualized instruction checker.
ia64/xen: a recipe for using xen/ia64 with pv_ops.
ia64/pv_ops: update Kconfig for paravirtualized guest and xen.
ia64/xen: preliminary support for save/restore.
ia64/xen: define xen machine vector for domU.
ia64/pv_ops/xen: implement xen pv_time_ops.
ia64/pv_ops/xen: implement xen pv_irq_ops.
ia64/pv_ops/xen: define the nubmer of irqs which xen needs.
ia64/pv_ops/xen: implement xen pv_iosapic_ops.
ia64/pv_ops/xen: paravirtualize entry.S for ia64/xen.
ia64/pv_ops/xen: paravirtualize ivt.S for xen.
ia64/pv_ops/xen: paravirtualize DO_SAVE_MIN for xen.
ia64/pv_ops/xen: define xen paravirtualized instructions for hand written assembly code
ia64/pv_ops/xen: define xen pv_cpu_ops.
ia64/pv_ops/xen: define xen pv_init_ops for various xen initialization.
ia64/pv_ops/xen: elf note based xen startup.
...
Diffstat (limited to 'arch/ia64/include/asm/xen/hypervisor.h')
-rw-r--r-- | arch/ia64/include/asm/xen/hypervisor.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/xen/hypervisor.h b/arch/ia64/include/asm/xen/hypervisor.h new file mode 100644 index 00000000000..7a804e80fc6 --- /dev/null +++ b/arch/ia64/include/asm/xen/hypervisor.h @@ -0,0 +1,89 @@ +/****************************************************************************** + * 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_IA64_XEN_HYPERVISOR_H +#define _ASM_IA64_XEN_HYPERVISOR_H + +#ifdef CONFIG_XEN + +#include <linux/init.h> +#include <xen/interface/xen.h> +#include <xen/interface/version.h> /* to compile feature.c */ +#include <xen/features.h> /* to comiple xen-netfront.c */ +#include <asm/xen/hypercall.h> + +/* xen_domain_type is set before executing any C code by early_xen_setup */ +enum xen_domain_type { + XEN_NATIVE, + XEN_PV_DOMAIN, + XEN_HVM_DOMAIN, +}; + +extern enum xen_domain_type xen_domain_type; + +#define xen_domain() (xen_domain_type != XEN_NATIVE) +#define xen_pv_domain() (xen_domain_type == XEN_PV_DOMAIN) +#define xen_initial_domain() (xen_pv_domain() && \ + (xen_start_info->flags & SIF_INITDOMAIN)) +#define xen_hvm_domain() (xen_domain_type == XEN_HVM_DOMAIN) + +/* deprecated. remove this */ +#define is_running_on_xen() (xen_domain_type == XEN_PV_DOMAIN) + +extern struct shared_info *HYPERVISOR_shared_info; +extern struct start_info *xen_start_info; + +void __init xen_setup_vcpu_info_placement(void); +void force_evtchn_callback(void); + +/* for drivers/xen/balloon/balloon.c */ +#ifdef CONFIG_XEN_SCRUB_PAGES +#define scrub_pages(_p, _n) memset((void *)(_p), 0, (_n) << PAGE_SHIFT) +#else +#define scrub_pages(_p, _n) ((void)0) +#endif + +/* For setup_arch() in arch/ia64/kernel/setup.c */ +void xen_ia64_enable_opt_feature(void); + +#else /* CONFIG_XEN */ + +#define xen_domain() (0) +#define xen_pv_domain() (0) +#define xen_initial_domain() (0) +#define xen_hvm_domain() (0) +#define is_running_on_xen() (0) /* deprecated. remove this */ +#endif + +#define is_initial_xendomain() (0) /* deprecated. remove this */ + +#endif /* _ASM_IA64_XEN_HYPERVISOR_H */ |