freebsd-skq/sys/xen/interface/arch-x86_64.h
Roger Pau Monné 5ed9deef6b xen: update interface headers
This is a verbatim copy of the public headers from Xen 4.14.1.

No functional change intended.

Sponsored by: Citrix Systems R&D
2021-01-11 16:14:59 +01:00

44 lines
1.8 KiB
C

/******************************************************************************
* arch-x86_64.h
*
* Guest OS interface to x86 64-bit 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) 2004-2006, K A Fraser
*/
#include "arch-x86/xen.h"
/*
* ` enum neg_errnoval
* ` HYPERVISOR_set_callbacks(unsigned long event_selector,
* ` unsigned long event_address,
* ` unsigned long failsafe_selector,
* ` unsigned long failsafe_address);
* `
* Register for callbacks on events. When an event (from an event
* channel) occurs, event_address is used as the value of eip.
*
* A similar callback occurs if the segment selectors are invalid.
* failsafe_address is used as the value of eip.
*
* On x86_64, event_selector and failsafe_selector are ignored (???).
*/