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author | dfr <dfr@FreeBSD.org> | 2008-11-22 16:14:52 +0000 |
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committer | dfr <dfr@FreeBSD.org> | 2008-11-22 16:14:52 +0000 |
commit | 19b6af98ec71398e77874582eb84ec5310c7156f (patch) | |
tree | 61eebb1b357f3edaa339d295e26a47a74534ac23 /sys/xen/interface/callback.h | |
parent | 83299de5870b2dc099c17aec548d3502821bc29b (diff) | |
download | FreeBSD-src-19b6af98ec71398e77874582eb84ec5310c7156f.zip FreeBSD-src-19b6af98ec71398e77874582eb84ec5310c7156f.tar.gz |
Clone Kip's Xen on stable/6 tree so that I can work on improving FreeBSD/amd64
performance in Xen's HVM mode.
Diffstat (limited to 'sys/xen/interface/callback.h')
-rw-r--r-- | sys/xen/interface/callback.h | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/sys/xen/interface/callback.h b/sys/xen/interface/callback.h deleted file mode 100644 index f4962f6..0000000 --- a/sys/xen/interface/callback.h +++ /dev/null @@ -1,121 +0,0 @@ -/****************************************************************************** - * callback.h - * - * Register guest OS callbacks with Xen. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (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. - * - * Copyright (c) 2006, Ian Campbell - */ - -#ifndef __XEN_PUBLIC_CALLBACK_H__ -#define __XEN_PUBLIC_CALLBACK_H__ - -#include "xen.h" - -/* - * Prototype for this hypercall is: - * long callback_op(int cmd, void *extra_args) - * @cmd == CALLBACKOP_??? (callback operation). - * @extra_args == Operation-specific extra arguments (NULL if none). - */ - -/* ia64, x86: Callback for event delivery. */ -#define CALLBACKTYPE_event 0 - -/* x86: Failsafe callback when guest state cannot be restored by Xen. */ -#define CALLBACKTYPE_failsafe 1 - -/* x86/64 hypervisor: Syscall by 64-bit guest app ('64-on-64-on-64'). */ -#define CALLBACKTYPE_syscall 2 - -/* - * x86/32 hypervisor: Only available on x86/32 when supervisor_mode_kernel - * feature is enabled. Do not use this callback type in new code. - */ -#define CALLBACKTYPE_sysenter_deprecated 3 - -/* x86: Callback for NMI delivery. */ -#define CALLBACKTYPE_nmi 4 - -/* - * x86: sysenter is only available as follows: - * - 32-bit hypervisor: with the supervisor_mode_kernel feature enabled - * - 64-bit hypervisor: 32-bit guest applications on Intel CPUs - * ('32-on-32-on-64', '32-on-64-on-64') - * [nb. also 64-bit guest applications on Intel CPUs - * ('64-on-64-on-64'), but syscall is preferred] - */ -#define CALLBACKTYPE_sysenter 5 - -/* - * x86/64 hypervisor: Syscall by 32-bit guest app on AMD CPUs - * ('32-on-32-on-64', '32-on-64-on-64') - */ -#define CALLBACKTYPE_syscall32 7 - -/* - * Disable event deliver during callback? This flag is ignored for event and - * NMI callbacks: event delivery is unconditionally disabled. - */ -#define _CALLBACKF_mask_events 0 -#define CALLBACKF_mask_events (1U << _CALLBACKF_mask_events) - -/* - * Register a callback. - */ -#define CALLBACKOP_register 0 -struct callback_register { - uint16_t type; - uint16_t flags; - xen_callback_t address; -}; -typedef struct callback_register callback_register_t; -DEFINE_XEN_GUEST_HANDLE(callback_register_t); - -/* - * Unregister a callback. - * - * Not all callbacks can be unregistered. -EINVAL will be returned if - * you attempt to unregister such a callback. - */ -#define CALLBACKOP_unregister 1 -struct callback_unregister { - uint16_t type; - uint16_t _unused; -}; -typedef struct callback_unregister callback_unregister_t; -DEFINE_XEN_GUEST_HANDLE(callback_unregister_t); - -#if __XEN_INTERFACE_VERSION__ < 0x00030207 -#undef CALLBACKTYPE_sysenter -#define CALLBACKTYPE_sysenter CALLBACKTYPE_sysenter_deprecated -#endif - -#endif /* __XEN_PUBLIC_CALLBACK_H__ */ - -/* - * Local variables: - * mode: C - * c-set-style: "BSD" - * c-basic-offset: 4 - * tab-width: 4 - * indent-tabs-mode: nil - * End: - */ |