[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH 15/27] tools/libxl: Migration v2 stream format
From: Ross Lagerwall <ross.lagerwall@xxxxxxxxxx> C structures describing the Libxl migration v2 stream format Signed-off-by: Ross Lagerwall <ross.lagerwall@xxxxxxxxxx> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx> CC: Ian Campbell <Ian.Campbell@xxxxxxxxxx> CC: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx> CC: Wei Liu <wei.liu2@xxxxxxxxxx> --- tools/libxl/libxl_sr_stream_format.h | 57 ++++++++++++++++++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 tools/libxl/libxl_sr_stream_format.h diff --git a/tools/libxl/libxl_sr_stream_format.h b/tools/libxl/libxl_sr_stream_format.h new file mode 100644 index 0000000..487f9e2 --- /dev/null +++ b/tools/libxl/libxl_sr_stream_format.h @@ -0,0 +1,57 @@ +#ifndef LIBXL_SR_STREAM_FORMAT_H +#define LIBXL_SR_STREAM_FORMAT_H + +/* + * C structures for the Migration v2 stream format. + * See docs/specs/libxl-migration-stream.pandoc + */ + +#include <stdint.h> + +typedef struct libxl_sr_hdr +{ + uint64_t ident; + uint32_t version; + uint32_t options; +} libxl_sr_hdr; + +#define RESTORE_STREAM_IDENT 0x4c6962786c466d74UL +#define RESTORE_STREAM_VERSION 0x00000002U + +#define RESTORE_OPT_BIG_ENDIAN (1 << 0) +#define RESTORE_OPT_LEGACY (1 << 1) + + +typedef struct libxl_sr_rec_hdr +{ + uint32_t type; + uint32_t length; +} libxl_sr_rec_hdr; + +/* All records must be aligned up to an 8 octet boundary */ +#define REC_ALIGN_ORDER 3U + +#define REC_TYPE_END 0x00000000U +#define REC_TYPE_LIBXC_CONTEXT 0x00000001U +#define REC_TYPE_XENSTORE_DATA 0x00000002U +#define REC_TYPE_EMULATOR_CONTEXT 0x00000003U + +typedef struct libxl_sr_emulator_hdr +{ + uint32_t id; + uint32_t index; +} libxl_sr_emulator_hdr; + +#define EMULATOR_UNKNOWN 0x00000000U +#define EMULATOR_QEMU_TRADITIONAL 0x00000001U +#define EMULATOR_QEMU_UPSTREAM 0x00000002U + +#endif /* LIBXL_SR_STREAM_FORMAT_H */ + +/* + * Local variables: + * mode: C + * c-basic-offset: 4 + * indent-tabs-mode: nil + * End: + */ -- 1.7.10.4 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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