--- /dev/null
+/*
+ * 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) \
+ (((unsigned long long)(X) >> TARGET_PAGE_BITS) - ARCH_PFN_OFFSET)
+#define pfn_to_paddr(X) \
+ (((unsigned long long)(X) + ARCH_PFN_OFFSET) << TARGET_PAGE_BITS)
+
+/*
+ * flag for compressed format
+ */
+#define DUMP_DH_COMPRESSED_ZLIB (0x1)
+#define DUMP_DH_COMPRESSED_LZO (0x2)
+#define DUMP_DH_COMPRESSED_SNAPPY (0x4)
+
+#define KDUMP_SIGNATURE "KDUMP "
+#define SIG_LEN (sizeof(KDUMP_SIGNATURE) - 1)
+#define PHYS_BASE (0)
+#define DUMP_LEVEL (1)
+#define DISKDUMP_HEADER_BLOCKS (1)
+#define BUFSIZE_BITMAP (TARGET_PAGE_SIZE)
+#define PFN_BUFBITMAP (CHAR_BIT * BUFSIZE_BITMAP)
+#define BUFSIZE_DATA_CACHE (TARGET_PAGE_SIZE * 4)
+
+#include "sysemu/dump-arch.h"
+#include "sysemu/memory_mapping.h"
+
+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;
+
+typedef struct QEMU_PACKED NewUtsname {
+ char sysname[65];
+ char nodename[65];
+ char release[65];
+ char version[65];
+ char machine[65];
+ char domainname[65];
+} NewUtsname;
+
+typedef struct QEMU_PACKED DiskDumpHeader32 {
+ char signature[SIG_LEN]; /* = "KDUMP " */
+ uint32_t header_version; /* Dump header version */
+ NewUtsname utsname; /* copy of system_utsname */
+ char timestamp[10]; /* Time stamp */
+ uint32_t status; /* Above flags */
+ uint32_t block_size; /* Size of a block in byte */
+ uint32_t sub_hdr_size; /* Size of arch dependent header in block */
+ uint32_t bitmap_blocks; /* Size of Memory bitmap in block */
+ uint32_t max_mapnr; /* = max_mapnr ,
+ obsoleted in header_version 6 */
+ uint32_t total_ram_blocks; /* Number of blocks should be written */
+ uint32_t device_blocks; /* Number of total blocks in dump device */
+ uint32_t written_blocks; /* Number of written blocks */
+ uint32_t current_cpu; /* CPU# which handles dump */
+ uint32_t nr_cpus; /* Number of CPUs */
+} DiskDumpHeader32;
+
+typedef struct QEMU_PACKED DiskDumpHeader64 {
+ char signature[SIG_LEN]; /* = "KDUMP " */
+ uint32_t header_version; /* Dump header version */
+ NewUtsname utsname; /* copy of system_utsname */
+ char timestamp[22]; /* Time stamp */
+ uint32_t status; /* Above flags */
+ uint32_t block_size; /* Size of a block in byte */
+ uint32_t sub_hdr_size; /* Size of arch dependent header in block */
+ uint32_t bitmap_blocks; /* Size of Memory bitmap in block */
+ uint32_t max_mapnr; /* = max_mapnr,
+ obsoleted in header_version 6 */
+ uint32_t total_ram_blocks; /* Number of blocks should be written */
+ uint32_t device_blocks; /* Number of total blocks in dump device */
+ uint32_t written_blocks; /* Number of written blocks */
+ uint32_t current_cpu; /* CPU# which handles dump */
+ uint32_t nr_cpus; /* Number of CPUs */
+} DiskDumpHeader64;
+
+typedef struct QEMU_PACKED KdumpSubHeader32 {
+ uint32_t phys_base;
+ uint32_t dump_level; /* header_version 1 and later */
+ uint32_t split; /* header_version 2 and later */
+ uint32_t start_pfn; /* header_version 2 and later,
+ obsoleted in header_version 6 */
+ uint32_t end_pfn; /* header_version 2 and later,
+ obsoleted in header_version 6 */
+ uint64_t offset_vmcoreinfo; /* header_version 3 and later */
+ uint32_t size_vmcoreinfo; /* header_version 3 and later */
+ uint64_t offset_note; /* header_version 4 and later */
+ uint32_t note_size; /* header_version 4 and later */
+ uint64_t offset_eraseinfo; /* header_version 5 and later */
+ uint32_t size_eraseinfo; /* header_version 5 and later */
+ uint64_t start_pfn_64; /* header_version 6 and later */
+ uint64_t end_pfn_64; /* header_version 6 and later */
+ uint64_t max_mapnr_64; /* header_version 6 and later */
+} KdumpSubHeader32;
+
+typedef struct QEMU_PACKED KdumpSubHeader64 {
+ uint64_t phys_base;
+ uint32_t dump_level; /* header_version 1 and later */
+ uint32_t split; /* header_version 2 and later */
+ uint64_t start_pfn; /* header_version 2 and later,
+ obsoleted in header_version 6 */
+ uint64_t end_pfn; /* header_version 2 and later,
+ obsoleted in header_version 6 */
+ uint64_t offset_vmcoreinfo; /* header_version 3 and later */
+ uint64_t size_vmcoreinfo; /* header_version 3 and later */
+ uint64_t offset_note; /* header_version 4 and later */
+ uint64_t note_size; /* header_version 4 and later */
+ uint64_t offset_eraseinfo; /* header_version 5 and later */
+ uint64_t size_eraseinfo; /* header_version 5 and later */
+ uint64_t start_pfn_64; /* header_version 6 and later */
+ uint64_t end_pfn_64; /* header_version 6 and later */
+ uint64_t max_mapnr_64; /* header_version 6 and later */
+} KdumpSubHeader64;
+
+typedef struct DataCache {
+ int fd; /* fd of the file where to write the cached data */
+ uint8_t *buf; /* buffer for cached data */
+ size_t buf_size; /* size of the buf */
+ size_t data_size; /* size of cached data in buf */
+ off_t offset; /* offset of the file */
+} DataCache;
+
+typedef struct QEMU_PACKED PageDescriptor {
+ uint64_t offset; /* the offset of the page data*/
+ uint32_t size; /* the size of this dump page */
+ uint32_t flags; /* flags */
+ uint64_t page_flags; /* page flags */
+} PageDescriptor;
+
+typedef struct DumpState {
+ GuestPhysBlockList guest_phys_blocks;
+ ArchDumpInfo dump_info;
+ MemoryMappingList list;
+ uint16_t phdr_num;
+ uint32_t sh_info;
+ bool have_section;
+ bool resume;
+ ssize_t note_size;
+ hwaddr memory_offset;
+ int fd;
+
+ GuestPhysBlock *next_block;
+ ram_addr_t start;
+ bool has_filter;
+ int64_t begin;
+ int64_t length;
+
+ uint8_t *note_buf; /* buffer for notes */
+ size_t note_buf_offset; /* the writing place in note_buf */
+ uint32_t nr_cpus; /* number of guest's cpu */
+ uint64_t max_mapnr; /* the biggest guest's phys-mem's number */
+ size_t len_dump_bitmap; /* the size of the place used to store
+ dump_bitmap in vmcore */
+ off_t offset_dump_bitmap; /* offset of dump_bitmap part in vmcore */
+ off_t offset_page; /* offset of page part in vmcore */
+ size_t num_dumpable; /* number of page that can be dumped */
+ uint32_t flag_compress; /* indicate the compression format */
+} DumpState;
+
+uint16_t cpu_to_dump16(DumpState *s, uint16_t val);
+uint32_t cpu_to_dump32(DumpState *s, uint32_t val);
+uint64_t cpu_to_dump64(DumpState *s, uint64_t val);
+#endif
Code Review / kvmfornfv.git / blobdiff