79 lines
2.7 KiB
C
79 lines
2.7 KiB
C
/******************************************************************************
|
|
* nmi.h
|
|
*
|
|
* NMI callback registration and reason codes.
|
|
*
|
|
* 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) 2005, Keir Fraser <keir@xensource.com>
|
|
*/
|
|
|
|
#ifndef __XEN_PUBLIC_NMI_H__
|
|
#define __XEN_PUBLIC_NMI_H__
|
|
|
|
/*
|
|
* NMI reason codes:
|
|
* Currently these are x86-specific, stored in arch_shared_info.nmi_reason.
|
|
*/
|
|
/* I/O-check error reported via ISA port 0x61, bit 6. */
|
|
#define _XEN_NMIREASON_io_error 0
|
|
#define XEN_NMIREASON_io_error (1UL << _XEN_NMIREASON_io_error)
|
|
/* Parity error reported via ISA port 0x61, bit 7. */
|
|
#define _XEN_NMIREASON_parity_error 1
|
|
#define XEN_NMIREASON_parity_error (1UL << _XEN_NMIREASON_parity_error)
|
|
/* Unknown hardware-generated NMI. */
|
|
#define _XEN_NMIREASON_unknown 2
|
|
#define XEN_NMIREASON_unknown (1UL << _XEN_NMIREASON_unknown)
|
|
|
|
/*
|
|
* long nmi_op(unsigned int cmd, void *arg)
|
|
* NB. All ops return zero on success, else a negative error code.
|
|
*/
|
|
|
|
/*
|
|
* Register NMI callback for this (calling) VCPU. Currently this only makes
|
|
* sense for domain 0, vcpu 0. All other callers will be returned EINVAL.
|
|
* arg == pointer to xennmi_callback structure.
|
|
*/
|
|
#define XENNMI_register_callback 0
|
|
struct xennmi_callback {
|
|
unsigned long handler_address;
|
|
unsigned long pad;
|
|
};
|
|
typedef struct xennmi_callback xennmi_callback_t;
|
|
DEFINE_XEN_GUEST_HANDLE(xennmi_callback_t);
|
|
|
|
/*
|
|
* Deregister NMI callback for this (calling) VCPU.
|
|
* arg == NULL.
|
|
*/
|
|
#define XENNMI_unregister_callback 1
|
|
|
|
#endif /* __XEN_PUBLIC_NMI_H__ */
|
|
|
|
/*
|
|
* Local variables:
|
|
* mode: C
|
|
* c-set-style: "BSD"
|
|
* c-basic-offset: 4
|
|
* tab-width: 4
|
|
* indent-tabs-mode: nil
|
|
* End:
|
|
*/
|