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author | Peter Maydell <peter.maydell@linaro.org> | 2014-03-04 17:01:07 +0000 |
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committer | Peter Maydell <peter.maydell@linaro.org> | 2014-03-04 17:01:07 +0000 |
commit | e00ef747f08db1c7dd58a5366db4dc3038a7307f (patch) | |
tree | 270bc41abb51663b18142fd6aeeb58c64f820230 /include/sysemu | |
parent | 4a29420ea1c5a34191281855f5f51e70deab8940 (diff) | |
parent | b774539743c52ef605c6e2cbac19376c2757cb86 (diff) | |
download | hqemu-e00ef747f08db1c7dd58a5366db4dc3038a7307f.zip hqemu-e00ef747f08db1c7dd58a5366db4dc3038a7307f.tar.gz |
Merge remote-tracking branch 'remotes/qmp-unstable/queue/qmp' into staging
* remotes/qmp-unstable/queue/qmp: (32 commits)
qapi: Add missing null check to opts_start_struct()
qapi: Clean up superfluous null check in qapi_dealloc_type_str()
qapi: Clean up null checking in generated visitors
qapi: Drop unused code in qapi-commands.py
qapi: Drop nonsensical header guard in generated qapi-visit.c
qapi: Fix licensing of scripts
tests/qapi-schema: Cover flat union types
tests/qapi-schema: Cover union types with base
tests/qapi-schema: Cover complex types with base
tests/qapi-schema: Cover anonymous union types
tests/qapi-schema: Cover simple argument types
tests/qapi-schema: Cover optional command arguments
tests/qapi-schema: Actually check successful QMP command response
monitor: Remove left-over code in do_info_profile.
qerror: Improve QERR_DEVICE_NOT_ACTIVE message
qmp: Check for returned data from __json_read in get_events
dump: add 'query-dump-guest-memory-capability' command
Define the architecture for compressed dump format
dump: make kdump-compressed format available for 'dump-guest-memory'
dump: add API to write dump pages
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'include/sysemu')
-rw-r--r-- | include/sysemu/dump.h | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/include/sysemu/dump.h b/include/sysemu/dump.h index 19fafb2..efab7a3 100644 --- a/include/sysemu/dump.h +++ b/include/sysemu/dump.h @@ -14,12 +14,150 @@ #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)) + +/* + * 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) + 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; + +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; + struct GuestPhysBlockList; /* memory_mapping.h */ int cpu_get_dump_info(ArchDumpInfo *info, const struct GuestPhysBlockList *guest_phys_blocks); |