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author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2015-02-15 16:07:18 -0800 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2015-02-15 16:07:18 -0800 |
commit | 97ae2b5c17d6cc988c6d49ae0cf95befb6b7081c (patch) | |
tree | a71115af6c30fdc9de0878e2cf1c51e95b17a324 /include/xen/interface/nmi.h | |
parent | ef47fa5280819deaa8da7e0db1d875b225de5838 (diff) | |
parent | c8af781ebf3ffe37c18c34ca89e29c085560e561 (diff) |
Merge branch 'bfin_rotary' into next
Merge bfin_rotary driver changes from Sonic Zhang.
Diffstat (limited to 'include/xen/interface/nmi.h')
-rw-r--r-- | include/xen/interface/nmi.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/include/xen/interface/nmi.h b/include/xen/interface/nmi.h new file mode 100644 index 00000000000..b47d9d06fad --- /dev/null +++ b/include/xen/interface/nmi.h @@ -0,0 +1,51 @@ +/****************************************************************************** + * nmi.h + * + * NMI callback registration and reason codes. + * + * Copyright (c) 2005, Keir Fraser <keir@xensource.com> + */ + +#ifndef __XEN_PUBLIC_NMI_H__ +#define __XEN_PUBLIC_NMI_H__ + +#include <xen/interface/xen.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) + /* PCI SERR reported via ISA port 0x61, bit 7. */ +#define _XEN_NMIREASON_pci_serr 1 +#define XEN_NMIREASON_pci_serr (1UL << _XEN_NMIREASON_pci_serr) + /* 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; +}; +DEFINE_GUEST_HANDLE_STRUCT(xennmi_callback); + +/* + * Deregister NMI callback for this (calling) VCPU. + * arg == NULL. + */ +#define XENNMI_unregister_callback 1 + +#endif /* __XEN_PUBLIC_NMI_H__ */ |