示例#1
0
static int vdi_open(BlockDriverState *bs, int flags)
{
    BDRVVdiState *s = bs->opaque;
    VdiHeader header;
    size_t bmap_size;

    logout("\n");

    if (bdrv_read(bs->file, 0, (uint8_t *)&header, 1) < 0) {
        goto fail;
    }

    vdi_header_to_cpu(&header);
#if defined(CONFIG_VDI_DEBUG)
    vdi_header_print(&header);
#endif

    if (header.disk_size > VDI_DISK_SIZE_MAX) {
        goto fail;
    }

    if (header.version != VDI_VERSION_1_1) {
        logout("unsupported version %u.%u\n",
               header.version >> 16, header.version & 0xffff);
        goto fail;
    } else if (header.offset_bmap % SECTOR_SIZE != 0) {
示例#2
0
文件: vdi.c 项目: CrazyXen/XEN_CODE
static int vdi_open(BlockDriverState *bs, int flags)
{
    BDRVVdiState *s = bs->opaque;
    VdiHeader header;
    size_t bmap_size;

    logout("\n");

    if (bdrv_read(bs->file, 0, (uint8_t *)&header, 1) < 0) {
        goto fail;
    }

    vdi_header_to_cpu(&header);
#if defined(CONFIG_VDI_DEBUG)
    vdi_header_print(&header);
#endif

    if (header.disk_size % SECTOR_SIZE != 0) {
        /* 'VBoxManage convertfromraw' can create images with odd disk sizes.
           We accept them but round the disk size to the next multiple of
           SECTOR_SIZE. */
        logout("odd disk size %" PRIu64 " B, round up\n", header.disk_size);
        header.disk_size += SECTOR_SIZE - 1;
        header.disk_size &= ~(SECTOR_SIZE - 1);
    }

    if (header.version != VDI_VERSION_1_1) {
        logout("unsupported version %u.%u\n",
               header.version >> 16, header.version & 0xffff);
        goto fail;
    } else if (header.offset_bmap % SECTOR_SIZE != 0) {
示例#3
0
static int vdi_open(BlockDriverState *bs, const char *filename, int flags)
{
    BDRVVdiState *s = bs->opaque;
    VdiHeader header;
    size_t bmap_size;
    int ret;

    logout("\n");

    ret = bdrv_file_open(&s->hd, filename, flags);
    if (ret < 0) {
        return ret;
    }

    if (bdrv_read(s->hd, 0, (uint8_t *)&header, 1) < 0) {
        goto fail;
    }

    vdi_header_to_cpu(&header);
#if defined(CONFIG_VDI_DEBUG)
    vdi_header_print(&header);
#endif

    if (header.version != VDI_VERSION_1_1) {
        logout("unsupported version %u.%u\n",
               header.version >> 16, header.version & 0xffff);
        goto fail;
    } else if (header.offset_bmap % SECTOR_SIZE != 0) {
示例#4
0
文件: vdi.c 项目: MaddTheSane/qemu
static int vdi_open(BlockDriverState *bs, QDict *options, int flags,
                    Error **errp)
{
    BDRVVdiState *s = bs->opaque;
    VdiHeader header;
    size_t bmap_size;
    int ret;
    Error *local_err = NULL;
    QemuUUID uuid_link, uuid_parent;

    bs->file = bdrv_open_child(NULL, options, "file", bs, &child_file,
                               false, errp);
    if (!bs->file) {
        return -EINVAL;
    }

    logout("\n");

    ret = bdrv_read(bs->file, 0, (uint8_t *)&header, 1);
    if (ret < 0) {
        goto fail;
    }

    vdi_header_to_cpu(&header);
    if (VDI_DEBUG) {
        vdi_header_print(&header);
    }

    if (header.disk_size > VDI_DISK_SIZE_MAX) {
        error_setg(errp, "Unsupported VDI image size (size is 0x%" PRIx64
                          ", max supported is 0x%" PRIx64 ")",
                          header.disk_size, VDI_DISK_SIZE_MAX);
        ret = -ENOTSUP;
        goto fail;
    }

    uuid_link = header.uuid_link;
    uuid_parent = header.uuid_parent;

    if (header.disk_size % SECTOR_SIZE != 0) {
        /* 'VBoxManage convertfromraw' can create images with odd disk sizes.
           We accept them but round the disk size to the next multiple of
           SECTOR_SIZE. */
        logout("odd disk size %" PRIu64 " B, round up\n", header.disk_size);
        header.disk_size = ROUND_UP(header.disk_size, SECTOR_SIZE);
    }

    if (header.signature != VDI_SIGNATURE) {
        error_setg(errp, "Image not in VDI format (bad signature %08" PRIx32
                   ")", header.signature);
        ret = -EINVAL;
        goto fail;
    } else if (header.version != VDI_VERSION_1_1) {
        error_setg(errp, "unsupported VDI image (version %" PRIu32 ".%" PRIu32
                   ")", header.version >> 16, header.version & 0xffff);
        ret = -ENOTSUP;
        goto fail;
    } else if (header.offset_bmap % SECTOR_SIZE != 0) {
示例#5
0
文件: vdi.c 项目: adelina-t/qemu
static int vdi_open(BlockDriverState *bs, QDict *options, int flags,
                    Error **errp)
{
    BDRVVdiState *s = bs->opaque;
    VdiHeader header;
    size_t bmap_size;
    int ret;

    logout("\n");

    ret = bdrv_read(bs->file, 0, (uint8_t *)&header, 1);
    if (ret < 0) {
        goto fail;
    }

    vdi_header_to_cpu(&header);
#if defined(CONFIG_VDI_DEBUG)
    vdi_header_print(&header);
#endif

    if (header.disk_size > VDI_DISK_SIZE_MAX) {
        error_setg(errp, "Unsupported VDI image size (size is 0x%" PRIx64
                   ", max supported is 0x%" PRIx64 ")",
                   header.disk_size, VDI_DISK_SIZE_MAX);
        ret = -ENOTSUP;
        goto fail;
    }

    if (header.disk_size % SECTOR_SIZE != 0) {
        /* 'VBoxManage convertfromraw' can create images with odd disk sizes.
           We accept them but round the disk size to the next multiple of
           SECTOR_SIZE. */
        logout("odd disk size %" PRIu64 " B, round up\n", header.disk_size);
        header.disk_size += SECTOR_SIZE - 1;
        header.disk_size &= ~(SECTOR_SIZE - 1);
    }

    if (header.signature != VDI_SIGNATURE) {
        error_setg(errp, "Image not in VDI format (bad signature %08" PRIx32
                   ")", header.signature);
        ret = -EINVAL;
        goto fail;
    } else if (header.version != VDI_VERSION_1_1) {
        error_setg(errp, "unsupported VDI image (version %" PRIu32 ".%" PRIu32
                   ")", header.version >> 16, header.version & 0xffff);
        ret = -ENOTSUP;
        goto fail;
    } else if (header.offset_bmap % SECTOR_SIZE != 0) {