Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * nmi.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * NMI callback registration and reason codes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  * Copyright (c) 2005, Keir Fraser <keir@xensource.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #ifndef __XEN_PUBLIC_NMI_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #define __XEN_PUBLIC_NMI_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <xen/interface/xen.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)  * NMI reason codes:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)  * Currently these are x86-specific, stored in arch_shared_info.nmi_reason.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)  /* I/O-check error reported via ISA port 0x61, bit 6. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #define _XEN_NMIREASON_io_error     0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #define XEN_NMIREASON_io_error      (1UL << _XEN_NMIREASON_io_error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)  /* PCI SERR reported via ISA port 0x61, bit 7. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #define _XEN_NMIREASON_pci_serr     1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #define XEN_NMIREASON_pci_serr      (1UL << _XEN_NMIREASON_pci_serr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)  /* Unknown hardware-generated NMI. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #define _XEN_NMIREASON_unknown      2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #define XEN_NMIREASON_unknown       (1UL << _XEN_NMIREASON_unknown)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)  * long nmi_op(unsigned int cmd, void *arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)  * NB. All ops return zero on success, else a negative error code.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)  * Register NMI callback for this (calling) VCPU. Currently this only makes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)  * sense for domain 0, vcpu 0. All other callers will be returned EINVAL.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)  * arg == pointer to xennmi_callback structure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #define XENNMI_register_callback   0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) struct xennmi_callback {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)     unsigned long handler_address;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)     unsigned long pad;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) DEFINE_GUEST_HANDLE_STRUCT(xennmi_callback);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47)  * Deregister NMI callback for this (calling) VCPU.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)  * arg == NULL.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) #define XENNMI_unregister_callback 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) #endif /* __XEN_PUBLIC_NMI_H__ */