qemu/include/sysemu/dump.h

/*
 * QEMU dump
 *
 * Copyright Fujitsu, Corp. 2011, 2012
 *
 * Authors:
 *     Wen Congyang <wency@cn.fujitsu.com>
 *
 * This work is licensed under the terms of the GNU GPL, version 2 or later.
 * See the COPYING file in the top-level directory.
 *
 */

#ifndef DUMP_H
#define DUMP_H

#define MAKEDUMPFILE_SIGNATURE      "makedumpfile"
#define MAX_SIZE_MDF_HEADER         (4096) /* max size of makedumpfile_header */
#define TYPE_FLAT_HEADER            (1)    /* type of flattened format */
#define VERSION_FLAT_HEADER         (1)    /* version of flattened format */
#define END_FLAG_FLAT_HEADER        (-1)

#define ARCH_PFN_OFFSET             (0)

#define paddr_to_pfn(X, page_shift) \
    (((unsigned long long)(X) >> (page_shift)) - ARCH_PFN_OFFSET)
#define pfn_to_paddr(X, page_shift) \
    (((unsigned long long)(X) + ARCH_PFN_OFFSET) << (page_shift))

typedef struct ArchDumpInfo {
    int d_machine;  /* Architecture */
    int d_endian;   /* ELFDATA2LSB or ELFDATA2MSB */
    int d_class;    /* ELFCLASS32 or ELFCLASS64 */
} ArchDumpInfo;

typedef struct QEMU_PACKED MakedumpfileHeader {
    char signature[16];     /* = "makedumpfile" */
    int64_t type;
    int64_t version;
} MakedumpfileHeader;

typedef struct QEMU_PACKED MakedumpfileDataHeader {
    int64_t offset;
    int64_t buf_size;
} MakedumpfileDataHeader;

struct GuestPhysBlockList; /* memory_mapping.h */
int cpu_get_dump_info(ArchDumpInfo *info,
                      const struct GuestPhysBlockList *guest_phys_blocks);
ssize_t cpu_get_note_size(int class, int machine, int nr_cpus);

#endif