mirror of https://github.com/crash-utility/crash
76 lines
2.1 KiB
C
76 lines
2.1 KiB
C
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/* xen_dom0.h
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*
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* Copyright (C) 2015 David Anderson
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* Copyright (C) 2015 Red Hat, Inc. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* Author: David Anderson
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*/
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/*
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* ELF note types for Xen dom0/hypervisor kdumps.
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* The comments below are from xen/include/public/elfnote.h.
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*/
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/*
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* System information exported through crash notes.
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*
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* The kexec / kdump code will create one XEN_ELFNOTE_CRASH_INFO
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* note in case of a system crash. This note will contain various
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* information about the system, see xen/include/xen/elfcore.h.
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*/
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#define XEN_ELFNOTE_CRASH_INFO 0x1000001
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/*
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* System registers exported through crash notes.
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*
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* The kexec / kdump code will create one XEN_ELFNOTE_CRASH_REGS
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* note per cpu in case of a system crash. This note is architecture
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* specific and will contain registers not saved in the "CORE" note.
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* See xen/include/xen/elfcore.h for more information.
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*/
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#define XEN_ELFNOTE_CRASH_REGS 0x1000002
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/*
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* For (temporary) backwards compatibility.
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*/
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#define NT_XEN_KDUMP_CR3 0x10000001
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struct xen_kdump_data {
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ulong flags;
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ulong cr3;
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ulong p2m_mfn;
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char *page;
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ulong last_mfn_read;
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ulong last_pmd_read;
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ulong cache_hits;
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ulong accesses;
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int p2m_frames;
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ulong *p2m_mfn_frame_list;
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ulong xen_phys_start;
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int xen_major_version;
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int xen_minor_version;
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};
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#define KDUMP_P2M_INIT (0x1)
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#define KDUMP_CR3 (0x2)
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#define KDUMP_MFN_LIST (0x4)
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#define P2M_FAILURE ((physaddr_t)(0xffffffffffffffffLL))
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void dump_xen_kdump_data(FILE *);
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struct xen_kdump_data *get_xen_kdump_data(void);
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void process_xen_note(ulong, void *, size_t);
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physaddr_t xen_kdump_p2m(physaddr_t);
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