mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-25 03:04:35 +07:00
d52eefb47d
ia64 has not been supported by Xen since 4.2 so it's time to drop Xen/ia64 from Linux as well. Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
103 lines
3.5 KiB
C
103 lines
3.5 KiB
C
/******************************************************************************
|
|
* 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/interface/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).
|
|
*/
|
|
|
|
/* 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;
|
|
};
|
|
|
|
/*
|
|
* 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;
|
|
};
|
|
|
|
#endif /* __XEN_PUBLIC_CALLBACK_H__ */
|