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#ifndef __KDUMPID_H
#define __KDUMPID_H
#include "config.h"
#include <stdint.h>
#include <unistd.h>
#include <endian.h>
#include <libkdumpfile/kdumpfile.h>
/* Older glibc didn't have the byteorder macros */
#ifndef be16toh
#include <byteswap.h>
# if __BYTE_ORDER == __LITTLE_ENDIAN
# define htobe16(x) bswap_16(x)
# define htole16(x) (x)
# define be16toh(x) bswap_16(x)
# define le16toh(x) (x)
# define htobe32(x) bswap_32(x)
# define htole32(x) (x)
# define be32toh(x) bswap_32(x)
# define le32toh(x) (x)
# define htobe64(x) bswap_64(x)
# define htole64(x) (x)
# define be64toh(x) bswap_64(x)
# define le64toh(x) (x)
# else
# define htobe16(x) (x)
# define htole16(x) bswap_16(x)
# define be16toh(x) (x)
# define le16toh(x) bswap_16(x)
# define htobe32(x) (x)
# define htole32(x) bswap_32(x)
# define be32toh(x) (x)
# define le32toh(x) bswap_32(x)
# define htobe64(x) (x)
# define htole64(x) bswap_64(x)
# define be64toh(x) (x)
# define le64toh(x) bswap_64(x)
# endif
#endif
#define INVALID_ADDR ((uint64_t)-1ULL)
struct dump_desc;
struct dump_desc {
const char *name; /* file name */
long flags; /* see DIF_XXX below */
int fd; /* dump file descriptor */
kdump_ctx_t *ctx; /* kdumpfile context */
void *page; /* page data buffer */
kdump_num_t page_size; /* target page size */
kdump_num_t max_pfn; /* max PFN for read_page */
const char *format; /* format name */
const char *arch; /* architecture (if known) */
kdump_num_t endian; /* target byte order */
uint64_t start_addr; /* kernel start address */
char machine[66]; /* arch name (utsname machine) */
char ver[66]; /* version (utsname release) */
char banner[256]; /* Linux banner */
char *cfg; /* kernel configuration */
size_t cfglen;
kdump_num_t xen_type; /* Xen dump type (or kdump_xen_none) */
uint64_t xen_start_info; /* address of Xen start info */
void *priv;
};
/* Kdumpid flags */
#define DIF_VERBOSE 1
#define DIF_FORCE 2
#define DIF_START_FOUND 8
/* Arch-specific helpers */
int looks_like_kcode_ppc(struct dump_desc *dd, uint64_t addr);
int looks_like_kcode_ppc64(struct dump_desc *dd, uint64_t addr);
int looks_like_kcode_s390(struct dump_desc *dd, uint64_t addr);
int looks_like_kcode_x86(struct dump_desc *dd, uint64_t addr);
/* provide our own definition of new_utsname */
struct new_utsname {
char sysname[65];
char nodename[65];
char release[65];
char version[65];
char machine[65];
char domainname[65];
};
/* utils */
int get_version_from_banner(struct dump_desc *dd);
int need_explore(struct dump_desc *dd);
int read_page(struct dump_desc *dd, unsigned long pfn);
size_t dump_cpin(struct dump_desc *dd, void *buf, uint64_t paddr, size_t len);
int uncompress_config(struct dump_desc *dd, void *zcfg, size_t zsize);
uint64_t dump_search_range(struct dump_desc *dd,
uint64_t start, uint64_t end,
const unsigned char *needle, size_t len);
int explore_raw_data(struct dump_desc *dd);
#endif /* __KDUMPID_H */
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