Adding qemu as a submodule of KVMFORNFV

This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>

1 files changed, 0 insertions, 453 deletions

diff --git a/qemu/block/vhdx.h b/qemu/block/vhdx.h
deleted file mode 100644
index 7003ab7a7..000000000
--- a/qemu/block/vhdx.h
+++ /dev/null
@@ -1,453 +0,0 @@
-/*
- * Block driver for Hyper-V VHDX Images
- *
- * Copyright (c) 2013 Red Hat, Inc.,
- *
- * Authors:
- *  Jeff Cody <jcody@redhat.com>
- *
- *  This is based on the "VHDX Format Specification v1.00", published 8/25/2012
- *  by Microsoft:
- *      https://www.microsoft.com/en-us/download/details.aspx?id=34750
- *
- * This work is licensed under the terms of the GNU LGPL, version 2 or later.
- * See the COPYING.LIB file in the top-level directory.
- *
- */
-
-#ifndef BLOCK_VHDX_H
-#define BLOCK_VHDX_H
-
-#define KiB              (1 * 1024)
-#define MiB            (KiB * 1024)
-#define GiB            (MiB * 1024)
-#define TiB ((uint64_t) GiB * 1024)
-
-#define DEFAULT_LOG_SIZE 1048576 /* 1MiB */
-/* Structures and fields present in the VHDX file */
-
-/* The header section has the following blocks,
- * each block is 64KB:
- *
- * _____________________________________________________________________________
- * | File Id. |   Header 1    | Header 2   | Region Table |  Reserved (768KB)  |
- * |----------|---------------|------------|--------------|--------------------|
- * |          |               |            |              |                    |
- * 0.........64KB...........128KB........192KB..........256KB................1MB
- */
-
-#define VHDX_HEADER_BLOCK_SIZE      (64 * 1024)
-
-#define VHDX_FILE_ID_OFFSET         0
-#define VHDX_HEADER1_OFFSET         (VHDX_HEADER_BLOCK_SIZE * 1)
-#define VHDX_HEADER2_OFFSET         (VHDX_HEADER_BLOCK_SIZE * 2)
-#define VHDX_REGION_TABLE_OFFSET    (VHDX_HEADER_BLOCK_SIZE * 3)
-#define VHDX_REGION_TABLE2_OFFSET   (VHDX_HEADER_BLOCK_SIZE * 4)
-
-#define VHDX_HEADER_SECTION_END     (1 * MiB)
-/*
- * A note on the use of MS-GUID fields.  For more details on the GUID,
- * please see: https://en.wikipedia.org/wiki/Globally_unique_identifier.
- *
- * The VHDX specification only states that these are MS GUIDs, and which
- * bytes are data1-data4. It makes no mention of what algorithm should be used
- * to generate the GUID, nor what standard.  However, looking at the specified
- * known GUID fields, it appears the GUIDs are:
- *  Standard/DCE GUID type  (noted by 10b in the MSB of byte 0 of .data4)
- *  Random algorithm        (noted by 0x4XXX for .data3)
- */
-
-/* ---- HEADER SECTION STRUCTURES ---- */
-
-/* These structures are ones that are defined in the VHDX specification
- * document */
-
-#define VHDX_FILE_SIGNATURE 0x656C696678646876ULL  /* "vhdxfile" in ASCII */
-typedef struct VHDXFileIdentifier {
-    uint64_t    signature;              /* "vhdxfile" in ASCII */
-    uint16_t    creator[256];           /* optional; utf-16 string to identify
-                                           the vhdx file creator.  Diagnostic
-                                           only */
-} VHDXFileIdentifier;
-
-
-/* the guid is a 16 byte unique ID - the definition for this used by
- * Microsoft is not just 16 bytes though - it is a structure that is defined,
- * so we need to follow it here so that endianness does not trip us up */
-
-typedef struct QEMU_PACKED MSGUID {
-    uint32_t  data1;
-    uint16_t  data2;
-    uint16_t  data3;
-    uint8_t   data4[8];
-} MSGUID;
-
-#define guid_eq(a, b) \
-    (memcmp(&(a), &(b), sizeof(MSGUID)) == 0)
-
-#define VHDX_HEADER_SIZE (4 * 1024)   /* although the vhdx_header struct in disk
-                                         is only 582 bytes, for purposes of crc
-                                         the header is the first 4KB of the 64KB
-                                         block */
-
-/* The full header is 4KB, although the actual header data is much smaller.
- * But for the checksum calculation, it is over the entire 4KB structure,
- * not just the defined portion of it */
-#define VHDX_HEADER_SIGNATURE 0x64616568
-typedef struct QEMU_PACKED VHDXHeader {
-    uint32_t    signature;              /* "head" in ASCII */
-    uint32_t    checksum;               /* CRC-32C hash of the whole header */
-    uint64_t    sequence_number;        /* Seq number of this header.  Each
-                                           VHDX file has 2 of these headers,
-                                           and only the header with the highest
-                                           sequence number is valid */
-    MSGUID      file_write_guid;        /* 128 bit unique identifier. Must be
-                                           updated to new, unique value before
-                                           the first modification is made to
-                                           file */
-    MSGUID      data_write_guid;        /* 128 bit unique identifier. Must be
-                                           updated to new, unique value before
-                                           the first modification is made to
-                                           visible data.   Visbile data is
-                                           defined as:
-                                                    - system & user metadata
-                                                    - raw block data
-                                                    - disk size
-                                                    - any change that will
-                                                      cause the virtual disk
-                                                      sector read to differ
-
-                                           This does not need to change if
-                                           blocks are re-arranged */
-    MSGUID      log_guid;               /* 128 bit unique identifier. If zero,
-                                           there is no valid log. If non-zero,
-                                           log entries with this guid are
-                                           valid. */
-    uint16_t    log_version;            /* version of the log format. Must be
-                                           set to zero */
-    uint16_t    version;                /* version of the vhdx file.  Currently,
-                                           only supported version is "1" */
-    uint32_t    log_length;             /* length of the log.  Must be multiple
-                                           of 1MB */
-    uint64_t    log_offset;             /* byte offset in the file of the log.
-                                           Must also be a multiple of 1MB */
-} VHDXHeader;
-
-/* Header for the region table block */
-#define VHDX_REGION_SIGNATURE  0x69676572  /* "regi" in ASCII */
-typedef struct QEMU_PACKED VHDXRegionTableHeader {
-    uint32_t    signature;              /* "regi" in ASCII */
-    uint32_t    checksum;               /* CRC-32C hash of the 64KB table */
-    uint32_t    entry_count;            /* number of valid entries */
-    uint32_t    reserved;
-} VHDXRegionTableHeader;
-
-/* Individual region table entry.  There may be a maximum of 2047 of these
- *
- *  There are two known region table properties.  Both are required.
- *  BAT (block allocation table):  2DC27766F62342009D64115E9BFD4A08
- *  Metadata:                      8B7CA20647904B9AB8FE575F050F886E
- */
-#define VHDX_REGION_ENTRY_REQUIRED  0x01    /* if set, parser must understand
-                                               this entry in order to open
-                                               file */
-typedef struct QEMU_PACKED VHDXRegionTableEntry {
-    MSGUID      guid;                   /* 128-bit unique identifier */
-    uint64_t    file_offset;            /* offset of the object in the file.
-                                           Must be multiple of 1MB */
-    uint32_t    length;                 /* length, in bytes, of the object */
-    uint32_t    data_bits;
-} VHDXRegionTableEntry;
-
-
-/* ---- LOG ENTRY STRUCTURES ---- */
-#define VHDX_LOG_MIN_SIZE (1024 * 1024)
-#define VHDX_LOG_SECTOR_SIZE 4096
-#define VHDX_LOG_HDR_SIZE 64
-#define VHDX_LOG_SIGNATURE 0x65676f6c
-typedef struct QEMU_PACKED VHDXLogEntryHeader {
-    uint32_t    signature;              /* "loge" in ASCII */
-    uint32_t    checksum;               /* CRC-32C hash of the 64KB table */
-    uint32_t    entry_length;           /* length in bytes, multiple of 1MB */
-    uint32_t    tail;                   /* byte offset of first log entry of a
-                                           seq, where this entry is the last
-                                           entry */
-    uint64_t    sequence_number;        /* incremented with each log entry.
-                                           May not be zero. */
-    uint32_t    descriptor_count;       /* number of descriptors in this log
-                                           entry, must be >= 0 */
-    uint32_t    reserved;
-    MSGUID      log_guid;               /* value of the log_guid from
-                                           vhdx_header.  If not found in
-                                           vhdx_header, it is invalid */
-    uint64_t    flushed_file_offset;    /* see spec for full details - this
-                                           should be vhdx file size in bytes */
-    uint64_t    last_file_offset;       /* size in bytes that all allocated
-                                           file structures fit into */
-} VHDXLogEntryHeader;
-
-#define VHDX_LOG_DESC_SIZE 32
-#define VHDX_LOG_DESC_SIGNATURE 0x63736564
-#define VHDX_LOG_ZERO_SIGNATURE 0x6f72657a
-typedef struct QEMU_PACKED VHDXLogDescriptor {
-    uint32_t    signature;              /* "zero" or "desc" in ASCII */
-    union  {
-        uint32_t    reserved;           /* zero desc */
-        uint32_t    trailing_bytes;     /* data desc: bytes 4092-4096 of the
-                                           data sector */
-    };
-    union {
-        uint64_t    zero_length;        /* zero desc: length of the section to
-                                           zero */
-        uint64_t    leading_bytes;      /* data desc: bytes 0-7 of the data
-                                           sector */
-    };
-    uint64_t    file_offset;            /* file offset to write zeros - multiple
-                                           of 4kB */
-    uint64_t    sequence_number;        /* must match same field in
-                                           vhdx_log_entry_header */
-} VHDXLogDescriptor;
-
-#define VHDX_LOG_DATA_SIGNATURE 0x61746164
-typedef struct QEMU_PACKED VHDXLogDataSector {
-    uint32_t    data_signature;         /* "data" in ASCII */
-    uint32_t    sequence_high;          /* 4 MSB of 8 byte sequence_number */
-    uint8_t     data[4084];             /* raw data, bytes 8-4091 (inclusive).
-                                           see the data descriptor field for the
-                                           other mising bytes */
-    uint32_t    sequence_low;           /* 4 LSB of 8 byte sequence_number */
-} VHDXLogDataSector;
-
-
-
-/* block states - different state values depending on whether it is a
- * payload block, or a sector block. */
-
-#define PAYLOAD_BLOCK_NOT_PRESENT       0
-#define PAYLOAD_BLOCK_UNDEFINED         1
-#define PAYLOAD_BLOCK_ZERO              2
-#define PAYLOAD_BLOCK_UNMAPPED          3
-#define PAYLOAD_BLOCK_UNMAPPED_v095     5
-#define PAYLOAD_BLOCK_FULLY_PRESENT     6
-#define PAYLOAD_BLOCK_PARTIALLY_PRESENT 7
-
-#define SB_BLOCK_NOT_PRESENT    0
-#define SB_BLOCK_PRESENT        6
-
-/* per the spec */
-#define VHDX_MAX_SECTORS_PER_BLOCK  (1 << 23)
-
-/* upper 44 bits are the file offset in 1MB units lower 3 bits are the state
-   other bits are reserved */
-#define VHDX_BAT_STATE_BIT_MASK 0x07
-#define VHDX_BAT_FILE_OFF_MASK  0xFFFFFFFFFFF00000ULL /* upper 44 bits */
-typedef uint64_t VHDXBatEntry;
-
-/* ---- METADATA REGION STRUCTURES ---- */
-
-#define VHDX_METADATA_ENTRY_SIZE 32
-#define VHDX_METADATA_MAX_ENTRIES 2047  /* not including the header */
-#define VHDX_METADATA_TABLE_MAX_SIZE \
-    (VHDX_METADATA_ENTRY_SIZE * (VHDX_METADATA_MAX_ENTRIES+1))
-#define VHDX_METADATA_SIGNATURE 0x617461646174656DULL  /* "metadata" in ASCII */
-typedef struct QEMU_PACKED VHDXMetadataTableHeader {
-    uint64_t    signature;              /* "metadata" in ASCII */
-    uint16_t    reserved;
-    uint16_t    entry_count;            /* number table entries. <= 2047 */
-    uint32_t    reserved2[5];
-} VHDXMetadataTableHeader;
-
-#define VHDX_META_FLAGS_IS_USER         0x01    /* max 1024 entries */
-#define VHDX_META_FLAGS_IS_VIRTUAL_DISK 0x02    /* virtual disk metadata if set,
-                                                   otherwise file metdata */
-#define VHDX_META_FLAGS_IS_REQUIRED     0x04    /* parse must understand this
-                                                   entry to open the file */
-typedef struct QEMU_PACKED VHDXMetadataTableEntry {
-    MSGUID      item_id;                /* 128-bit identifier for metadata */
-    uint32_t    offset;                 /* byte offset of the metadata.  At
-                                           least 64kB.  Relative to start of
-                                           metadata region */
-                                        /* note: if length = 0, so is offset */
-    uint32_t    length;                 /* length of metadata. <= 1MB. */
-    uint32_t    data_bits;              /* least-significant 3 bits are flags,
-                                           the rest are reserved (see above) */
-    uint32_t    reserved2;
-} VHDXMetadataTableEntry;
-
-#define VHDX_PARAMS_LEAVE_BLOCKS_ALLOCED 0x01   /* Do not change any blocks to
-                                                   be BLOCK_NOT_PRESENT.
-                                                   If set indicates a fixed
-                                                   size VHDX file */
-#define VHDX_PARAMS_HAS_PARENT           0x02    /* has parent / backing file */
-#define VHDX_BLOCK_SIZE_MIN             (1   * MiB)
-#define VHDX_BLOCK_SIZE_MAX             (256 * MiB)
-typedef struct QEMU_PACKED VHDXFileParameters {
-    uint32_t    block_size;             /* size of each payload block, always
-                                           power of 2, <= 256MB and >= 1MB. */
-    uint32_t data_bits;                 /* least-significant 2 bits are flags,
-                                           the rest are reserved (see above) */
-} VHDXFileParameters;
-
-#define VHDX_MAX_IMAGE_SIZE  ((uint64_t) 64 * TiB)
-typedef struct QEMU_PACKED VHDXVirtualDiskSize {
-    uint64_t    virtual_disk_size;      /* Size of the virtual disk, in bytes.
-                                           Must be multiple of the sector size,
-                                           max of 64TB */
-} VHDXVirtualDiskSize;
-
-typedef struct QEMU_PACKED VHDXPage83Data {
-    MSGUID      page_83_data;           /* unique id for scsi devices that
-                                           support page 0x83 */
-} VHDXPage83Data;
-
-typedef struct QEMU_PACKED VHDXVirtualDiskLogicalSectorSize {
-    uint32_t    logical_sector_size;    /* virtual disk sector size (in bytes).
-                                           Can only be 512 or 4096 bytes */
-} VHDXVirtualDiskLogicalSectorSize;
-
-typedef struct QEMU_PACKED VHDXVirtualDiskPhysicalSectorSize {
-    uint32_t    physical_sector_size;   /* physical sector size (in bytes).
-                                           Can only be 512 or 4096 bytes */
-} VHDXVirtualDiskPhysicalSectorSize;
-
-typedef struct QEMU_PACKED VHDXParentLocatorHeader {
-    MSGUID      locator_type;           /* type of the parent virtual disk. */
-    uint16_t    reserved;
-    uint16_t    key_value_count;        /* number of key/value pairs for this
-                                           locator */
-} VHDXParentLocatorHeader;
-
-/* key and value strings are UNICODE strings, UTF-16 LE encoding, no NULs */
-typedef struct QEMU_PACKED VHDXParentLocatorEntry {
-    uint32_t    key_offset;             /* offset in metadata for key, > 0 */
-    uint32_t    value_offset;           /* offset in metadata for value, >0 */
-    uint16_t    key_length;             /* length of entry key, > 0 */
-    uint16_t    value_length;           /* length of entry value, > 0 */
-} VHDXParentLocatorEntry;
-
-
-/* ----- END VHDX SPECIFICATION STRUCTURES ---- */
-
-typedef struct VHDXMetadataEntries {
-    VHDXMetadataTableEntry file_parameters_entry;
-    VHDXMetadataTableEntry virtual_disk_size_entry;
-    VHDXMetadataTableEntry page83_data_entry;
-    VHDXMetadataTableEntry logical_sector_size_entry;
-    VHDXMetadataTableEntry phys_sector_size_entry;
-    VHDXMetadataTableEntry parent_locator_entry;
-    uint16_t present;
-} VHDXMetadataEntries;
-
-typedef struct VHDXLogEntries {
-    uint64_t offset;
-    uint64_t length;
-    uint32_t write;
-    uint32_t read;
-    VHDXLogEntryHeader *hdr;
-    void *desc_buffer;
-    uint64_t sequence;
-    uint32_t tail;
-} VHDXLogEntries;
-
-typedef struct VHDXRegionEntry {
-    uint64_t start;
-    uint64_t end;
-    QLIST_ENTRY(VHDXRegionEntry) entries;
-} VHDXRegionEntry;
-
-typedef struct BDRVVHDXState {
-    CoMutex lock;
-
-    int curr_header;
-    VHDXHeader *headers[2];
-
-    VHDXRegionTableHeader rt;
-    VHDXRegionTableEntry bat_rt;         /* region table for the BAT */
-    VHDXRegionTableEntry metadata_rt;    /* region table for the metadata */
-
-    VHDXMetadataTableHeader metadata_hdr;
-    VHDXMetadataEntries metadata_entries;
-
-    VHDXFileParameters params;
-    uint32_t block_size;
-    uint32_t block_size_bits;
-    uint32_t sectors_per_block;
-    uint32_t sectors_per_block_bits;
-
-    uint64_t virtual_disk_size;
-    uint32_t logical_sector_size;
-    uint32_t physical_sector_size;
-
-    uint64_t chunk_ratio;
-    uint32_t chunk_ratio_bits;
-    uint32_t logical_sector_size_bits;
-
-    uint32_t bat_entries;
-    VHDXBatEntry *bat;
-    uint64_t bat_offset;
-
-    bool first_visible_write;
-    MSGUID session_guid;
-
-    VHDXLogEntries log;
-
-    VHDXParentLocatorHeader parent_header;
-    VHDXParentLocatorEntry *parent_entries;
-
-    Error *migration_blocker;
-
-    bool log_replayed_on_open;
-
-    QLIST_HEAD(VHDXRegionHead, VHDXRegionEntry) regions;
-} BDRVVHDXState;
-
-void vhdx_guid_generate(MSGUID *guid);
-
-int vhdx_update_headers(BlockDriverState *bs, BDRVVHDXState *s, bool rw,
-                        MSGUID *log_guid);
-
-uint32_t vhdx_update_checksum(uint8_t *buf, size_t size, int crc_offset);
-uint32_t vhdx_checksum_calc(uint32_t crc, uint8_t *buf, size_t size,
-                            int crc_offset);
-
-bool vhdx_checksum_is_valid(uint8_t *buf, size_t size, int crc_offset);
-
-int vhdx_parse_log(BlockDriverState *bs, BDRVVHDXState *s, bool *flushed,
-                   Error **errp);
-
-int vhdx_log_write_and_flush(BlockDriverState *bs, BDRVVHDXState *s,
-                             void *data, uint32_t length, uint64_t offset);
-
-static inline void leguid_to_cpus(MSGUID *guid)
-{
-    le32_to_cpus(&guid->data1);
-    le16_to_cpus(&guid->data2);
-    le16_to_cpus(&guid->data3);
-}
-
-static inline void cpu_to_leguids(MSGUID *guid)
-{
-    cpu_to_le32s(&guid->data1);
-    cpu_to_le16s(&guid->data2);
-    cpu_to_le16s(&guid->data3);
-}
-
-void vhdx_header_le_import(VHDXHeader *h);
-void vhdx_header_le_export(VHDXHeader *orig_h, VHDXHeader *new_h);
-void vhdx_log_desc_le_import(VHDXLogDescriptor *d);
-void vhdx_log_desc_le_export(VHDXLogDescriptor *d);
-void vhdx_log_data_le_import(VHDXLogDataSector *d);
-void vhdx_log_data_le_export(VHDXLogDataSector *d);
-void vhdx_log_entry_hdr_le_import(VHDXLogEntryHeader *hdr);
-void vhdx_log_entry_hdr_le_export(VHDXLogEntryHeader *hdr);
-void vhdx_region_header_le_import(VHDXRegionTableHeader *hdr);
-void vhdx_region_header_le_export(VHDXRegionTableHeader *hdr);
-void vhdx_region_entry_le_import(VHDXRegionTableEntry *e);
-void vhdx_region_entry_le_export(VHDXRegionTableEntry *e);
-void vhdx_metadata_header_le_import(VHDXMetadataTableHeader *hdr);
-void vhdx_metadata_header_le_export(VHDXMetadataTableHeader *hdr);
-void vhdx_metadata_entry_le_import(VHDXMetadataTableEntry *e);
-void vhdx_metadata_entry_le_export(VHDXMetadataTableEntry *e);
-int vhdx_user_visible_write(BlockDriverState *bs, BDRVVHDXState *s);
-
-#endif