diff options
Diffstat (limited to 'block/vmdk.c')
-rw-r--r-- | block/vmdk.c | 68 |
1 files changed, 67 insertions, 1 deletions
diff --git a/block/vmdk.c b/block/vmdk.c index 32ec8b7766..a7ebd0f125 100644 --- a/block/vmdk.c +++ b/block/vmdk.c @@ -106,6 +106,7 @@ typedef struct VmdkExtent { uint32_t l2_cache_counts[L2_CACHE_SIZE]; int64_t cluster_sectors; + char *type; } VmdkExtent; typedef struct BDRVVmdkState { @@ -113,11 +114,13 @@ typedef struct BDRVVmdkState { uint64_t desc_offset; bool cid_updated; bool cid_checked; + uint32_t cid; uint32_t parent_cid; int num_extents; /* Extent array with num_extents entries, ascend ordered by address */ VmdkExtent *extents; Error *migration_blocker; + char *create_type; } BDRVVmdkState; typedef struct VmdkMetaData { @@ -214,6 +217,7 @@ static void vmdk_free_extents(BlockDriverState *bs) g_free(e->l1_table); g_free(e->l2_cache); g_free(e->l1_backup_table); + g_free(e->type); if (e->file != bs->file) { bdrv_unref(e->file); } @@ -534,6 +538,7 @@ static int vmdk_open_vmdk4(BlockDriverState *bs, uint32_t l1_size, l1_entry_sectors; VMDK4Header header; VmdkExtent *extent; + BDRVVmdkState *s = bs->opaque; int64_t l1_backup_offset = 0; ret = bdrv_pread(file, sizeof(magic), &header, sizeof(header)); @@ -549,6 +554,10 @@ static int vmdk_open_vmdk4(BlockDriverState *bs, } } + if (!s->create_type) { + s->create_type = g_strdup("monolithicSparse"); + } + if (le64_to_cpu(header.gd_offset) == VMDK4_GD_AT_END) { /* * The footer takes precedence over the header, so read it in. The @@ -709,6 +718,8 @@ static int vmdk_parse_extents(const char *desc, BlockDriverState *bs, int64_t flat_offset; char extent_path[PATH_MAX]; BlockDriverState *extent_file; + BDRVVmdkState *s = bs->opaque; + VmdkExtent *extent; while (*p) { /* parse extent line: @@ -751,7 +762,6 @@ static int vmdk_parse_extents(const char *desc, BlockDriverState *bs, /* save to extents array */ if (!strcmp(type, "FLAT") || !strcmp(type, "VMFS")) { /* FLAT extent */ - VmdkExtent *extent; ret = vmdk_add_extent(bs, extent_file, true, sectors, 0, 0, 0, 0, 0, &extent, errp); @@ -766,10 +776,12 @@ static int vmdk_parse_extents(const char *desc, BlockDriverState *bs, bdrv_unref(extent_file); return ret; } + extent = &s->extents[s->num_extents - 1]; } else { error_setg(errp, "Unsupported extent type '%s'", type); return -ENOTSUP; } + extent->type = g_strdup(type); next_line: /* move to next line */ while (*p) { @@ -817,6 +829,7 @@ static int vmdk_open_desc_file(BlockDriverState *bs, int flags, ret = -ENOTSUP; goto exit; } + s->create_type = g_strdup(ct); s->desc_offset = 0; ret = vmdk_parse_extents(buf, bs, bs->file->filename, errp); exit: @@ -843,6 +856,7 @@ static int vmdk_open(BlockDriverState *bs, QDict *options, int flags, if (ret) { goto fail; } + s->cid = vmdk_read_cid(bs, 0); s->parent_cid = vmdk_read_cid(bs, 1); qemu_co_mutex_init(&s->lock); @@ -855,6 +869,8 @@ static int vmdk_open(BlockDriverState *bs, QDict *options, int flags, return 0; fail: + g_free(s->create_type); + s->create_type = NULL; vmdk_free_extents(bs); return ret; } @@ -1766,6 +1782,7 @@ static void vmdk_close(BlockDriverState *bs) BDRVVmdkState *s = bs->opaque; vmdk_free_extents(bs); + g_free(s->create_type); migrate_del_blocker(s->migration_blocker); error_free(s->migration_blocker); @@ -1827,6 +1844,54 @@ static int vmdk_has_zero_init(BlockDriverState *bs) return 1; } +static ImageInfo *vmdk_get_extent_info(VmdkExtent *extent) +{ + ImageInfo *info = g_new0(ImageInfo, 1); + + *info = (ImageInfo){ + .filename = g_strdup(extent->file->filename), + .format = g_strdup(extent->type), + .virtual_size = extent->sectors * BDRV_SECTOR_SIZE, + .compressed = extent->compressed, + .has_compressed = extent->compressed, + .cluster_size = extent->cluster_sectors * BDRV_SECTOR_SIZE, + .has_cluster_size = !extent->flat, + }; + + return info; +} + +static ImageInfoSpecific *vmdk_get_specific_info(BlockDriverState *bs) +{ + int i; + BDRVVmdkState *s = bs->opaque; + ImageInfoSpecific *spec_info = g_new0(ImageInfoSpecific, 1); + ImageInfoList **next; + + *spec_info = (ImageInfoSpecific){ + .kind = IMAGE_INFO_SPECIFIC_KIND_VMDK, + { + .vmdk = g_new0(ImageInfoSpecificVmdk, 1), + }, + }; + + *spec_info->vmdk = (ImageInfoSpecificVmdk) { + .create_type = g_strdup(s->create_type), + .cid = s->cid, + .parent_cid = s->parent_cid, + }; + + next = &spec_info->vmdk->extents; + for (i = 0; i < s->num_extents; i++) { + *next = g_new0(ImageInfoList, 1); + (*next)->value = vmdk_get_extent_info(&s->extents[i]); + (*next)->next = NULL; + next = &(*next)->next; + } + + return spec_info; +} + static QEMUOptionParameter vmdk_create_options[] = { { .name = BLOCK_OPT_SIZE, @@ -1879,6 +1944,7 @@ static BlockDriver bdrv_vmdk = { .bdrv_co_get_block_status = vmdk_co_get_block_status, .bdrv_get_allocated_file_size = vmdk_get_allocated_file_size, .bdrv_has_zero_init = vmdk_has_zero_init, + .bdrv_get_specific_info = vmdk_get_specific_info, .create_options = vmdk_create_options, }; |