uint32_t l2_cache_offsets[L2_CACHE_SIZE];
uint32_t l2_cache_counts[L2_CACHE_SIZE];
- unsigned int cluster_sectors;
+ int64_t cluster_sectors;
+ char *type;
} VmdkExtent;
typedef struct BDRVVmdkState {
CoMutex lock;
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 {
}
}
-#define CHECK_CID 1
-
#define SECTOR_SIZE 512
#define DESC_SIZE (20 * SECTOR_SIZE) /* 20 sectors of 512 bytes each */
#define BUF_SIZE 4096
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);
}
static int vmdk_is_cid_valid(BlockDriverState *bs)
{
-#ifdef CHECK_CID
BDRVVmdkState *s = bs->opaque;
BlockDriverState *p_bs = bs->backing_hd;
uint32_t cur_pcid;
- if (p_bs) {
+ if (!s->cid_checked && p_bs) {
cur_pcid = vmdk_read_cid(p_bs, 0);
if (s->parent_cid != cur_pcid) {
/* CID not valid */
return 0;
}
}
-#endif
+ s->cid_checked = true;
/* CID valid */
return 1;
}
assert(state->bs != NULL);
if (queue == NULL) {
- error_set(errp, ERROR_CLASS_GENERIC_ERROR,
- "No reopen queue for VMDK extents");
+ error_setg(errp, "No reopen queue for VMDK extents");
goto exit;
}
int64_t l1_offset, int64_t l1_backup_offset,
uint32_t l1_size,
int l2_size, uint64_t cluster_sectors,
- VmdkExtent **new_extent)
+ VmdkExtent **new_extent,
+ Error **errp)
{
VmdkExtent *extent;
BDRVVmdkState *s = bs->opaque;
if (cluster_sectors > 0x200000) {
/* 0x200000 * 512Bytes = 1GB for one cluster is unrealistic */
- error_report("invalid granularity, image may be corrupt");
- return -EINVAL;
+ error_setg(errp, "Invalid granularity, image may be corrupt");
+ return -EFBIG;
}
if (l1_size > 512 * 1024 * 1024) {
/* Although with big capacity and small l1_entry_sectors, we can get a
* big l1_size, we don't want unbounded value to allocate the table.
* Limit it to 512M, which is 16PB for default cluster and L2 table
* size */
- error_report("L1 size too big");
+ error_setg(errp, "L1 size too big");
return -EFBIG;
}
extent->l1_size = l1_size;
extent->l1_entry_sectors = l2_size * cluster_sectors;
extent->l2_size = l2_size;
- extent->cluster_sectors = cluster_sectors;
+ extent->cluster_sectors = flat ? sectors : cluster_sectors;
if (s->num_extents > 1) {
extent->end_sector = (*(extent - 1)).end_sector + extent->sectors;
return 0;
}
-static int vmdk_init_tables(BlockDriverState *bs, VmdkExtent *extent)
+static int vmdk_init_tables(BlockDriverState *bs, VmdkExtent *extent,
+ Error **errp)
{
int ret;
int l1_size, i;
l1_size = extent->l1_size * sizeof(uint32_t);
extent->l1_table = g_malloc(l1_size);
ret = bdrv_pread(extent->file,
- extent->l1_table_offset,
- extent->l1_table,
- l1_size);
+ extent->l1_table_offset,
+ extent->l1_table,
+ l1_size);
if (ret < 0) {
+ error_setg_errno(errp, -ret,
+ "Could not read l1 table from extent '%s'",
+ extent->file->filename);
goto fail_l1;
}
for (i = 0; i < extent->l1_size; i++) {
if (extent->l1_backup_table_offset) {
extent->l1_backup_table = g_malloc(l1_size);
ret = bdrv_pread(extent->file,
- extent->l1_backup_table_offset,
- extent->l1_backup_table,
- l1_size);
+ extent->l1_backup_table_offset,
+ extent->l1_backup_table,
+ l1_size);
if (ret < 0) {
+ error_setg_errno(errp, -ret,
+ "Could not read l1 backup table from extent '%s'",
+ extent->file->filename);
goto fail_l1b;
}
for (i = 0; i < extent->l1_size; i++) {
static int vmdk_open_vmfs_sparse(BlockDriverState *bs,
BlockDriverState *file,
- int flags)
+ int flags, Error **errp)
{
int ret;
uint32_t magic;
ret = bdrv_pread(file, sizeof(magic), &header, sizeof(header));
if (ret < 0) {
+ error_setg_errno(errp, -ret,
+ "Could not read header from file '%s'",
+ file->filename);
return ret;
}
ret = vmdk_add_extent(bs, file, false,
le32_to_cpu(header.l1dir_size),
4096,
le32_to_cpu(header.granularity),
- &extent);
+ &extent,
+ errp);
if (ret < 0) {
return ret;
}
- ret = vmdk_init_tables(bs, extent);
+ ret = vmdk_init_tables(bs, extent, errp);
if (ret) {
/* free extent allocated by vmdk_add_extent */
vmdk_free_last_extent(bs);
}
static int vmdk_open_desc_file(BlockDriverState *bs, int flags,
- uint64_t desc_offset);
+ uint64_t desc_offset, Error **errp);
static int vmdk_open_vmdk4(BlockDriverState *bs,
BlockDriverState *file,
- int flags)
+ int flags, Error **errp)
{
int ret;
uint32_t magic;
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));
if (ret < 0) {
- return ret;
+ error_setg_errno(errp, -ret,
+ "Could not read header from file '%s'",
+ file->filename);
}
if (header.capacity == 0) {
uint64_t desc_offset = le64_to_cpu(header.desc_offset);
if (desc_offset) {
- return vmdk_open_desc_file(bs, flags, desc_offset << 9);
+ return vmdk_open_desc_file(bs, flags, desc_offset << 9, errp);
}
}
+ 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
l1_size,
le32_to_cpu(header.num_gtes_per_gt),
le64_to_cpu(header.granularity),
- &extent);
+ &extent,
+ errp);
if (ret < 0) {
return ret;
}
extent->has_marker = le32_to_cpu(header.flags) & VMDK4_FLAG_MARKER;
extent->version = le32_to_cpu(header.version);
extent->has_zero_grain = le32_to_cpu(header.flags) & VMDK4_FLAG_ZERO_GRAIN;
- ret = vmdk_init_tables(bs, extent);
+ ret = vmdk_init_tables(bs, extent, errp);
if (ret) {
/* free extent allocated by vmdk_add_extent */
vmdk_free_last_extent(bs);
/* Open an extent file and append to bs array */
static int vmdk_open_sparse(BlockDriverState *bs,
BlockDriverState *file,
- int flags)
+ int flags, Error **errp)
{
uint32_t magic;
magic = be32_to_cpu(magic);
switch (magic) {
case VMDK3_MAGIC:
- return vmdk_open_vmfs_sparse(bs, file, flags);
+ return vmdk_open_vmfs_sparse(bs, file, flags, errp);
break;
case VMDK4_MAGIC:
- return vmdk_open_vmdk4(bs, file, flags);
+ return vmdk_open_vmdk4(bs, file, flags, errp);
break;
default:
return -EMEDIUMTYPE;
}
static int vmdk_parse_extents(const char *desc, BlockDriverState *bs,
- const char *desc_file_path)
+ const char *desc_file_path, Error **errp)
{
int ret;
char access[11];
int64_t flat_offset;
char extent_path[PATH_MAX];
BlockDriverState *extent_file;
+ BDRVVmdkState *s = bs->opaque;
+ VmdkExtent *extent;
while (*p) {
/* parse extent line:
goto next_line;
} else if (!strcmp(type, "FLAT")) {
if (ret != 5 || flat_offset < 0) {
+ error_setg(errp, "Invalid extent lines: \n%s", p);
return -EINVAL;
}
+ } else if (!strcmp(type, "VMFS")) {
+ flat_offset = 0;
} else if (ret != 4) {
+ error_setg(errp, "Invalid extent lines: \n%s", p);
return -EINVAL;
}
path_combine(extent_path, sizeof(extent_path),
desc_file_path, fname);
- ret = bdrv_file_open(&extent_file, extent_path, NULL, bs->open_flags);
+ ret = bdrv_file_open(&extent_file, extent_path, NULL, bs->open_flags,
+ errp);
if (ret) {
return ret;
}
/* 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, sectors, &extent);
+ 0, 0, 0, 0, 0, &extent, errp);
if (ret < 0) {
return ret;
}
extent->flat_start_offset = flat_offset << 9;
} else if (!strcmp(type, "SPARSE") || !strcmp(type, "VMFSSPARSE")) {
/* SPARSE extent and VMFSSPARSE extent are both "COWD" sparse file*/
- ret = vmdk_open_sparse(bs, extent_file, bs->open_flags);
+ ret = vmdk_open_sparse(bs, extent_file, bs->open_flags, errp);
if (ret) {
bdrv_unref(extent_file);
return ret;
}
+ extent = &s->extents[s->num_extents - 1];
} else {
- fprintf(stderr,
- "VMDK: Not supported extent type \"%s\""".\n", type);
+ error_setg(errp, "Unsupported extent type '%s'", type);
return -ENOTSUP;
}
+ extent->type = g_strdup(type);
next_line:
/* move to next line */
- while (*p && *p != '\n') {
+ while (*p) {
+ if (*p == '\n') {
+ p++;
+ break;
+ }
p++;
}
- p++;
}
return 0;
}
static int vmdk_open_desc_file(BlockDriverState *bs, int flags,
- uint64_t desc_offset)
+ uint64_t desc_offset, Error **errp)
{
int ret;
char *buf = NULL;
strcmp(ct, "vmfsSparse") &&
strcmp(ct, "twoGbMaxExtentSparse") &&
strcmp(ct, "twoGbMaxExtentFlat")) {
- fprintf(stderr,
- "VMDK: Not supported image type \"%s\""".\n", ct);
+ error_setg(errp, "Unsupported image type '%s'", ct);
ret = -ENOTSUP;
goto exit;
}
+ s->create_type = g_strdup(ct);
s->desc_offset = 0;
- ret = vmdk_parse_extents(buf, bs, bs->file->filename);
+ ret = vmdk_parse_extents(buf, bs, bs->file->filename, errp);
exit:
g_free(buf);
return ret;
}
-static int vmdk_open(BlockDriverState *bs, QDict *options, int flags)
+static int vmdk_open(BlockDriverState *bs, QDict *options, int flags,
+ Error **errp)
{
int ret;
BDRVVmdkState *s = bs->opaque;
- if (vmdk_open_sparse(bs, bs->file, flags) == 0) {
+ if (vmdk_open_sparse(bs, bs->file, flags, errp) == 0) {
s->desc_offset = 0x200;
} else {
- ret = vmdk_open_desc_file(bs, flags, 0);
+ ret = vmdk_open_desc_file(bs, flags, 0, errp);
if (ret) {
goto fail;
}
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);
return 0;
fail:
+ g_free(s->create_type);
+ s->create_type = NULL;
vmdk_free_extents(bs);
return ret;
}
VmdkMetaData m_data;
if (sector_num > bs->total_sectors) {
- fprintf(stderr,
- "(VMDK) Wrong offset: sector_num=0x%" PRIx64
+ error_report("Wrong offset: sector_num=0x%" PRIx64
" total_sectors=0x%" PRIx64 "\n",
sector_num, bs->total_sectors);
return -EIO;
if (extent->compressed) {
if (ret == VMDK_OK) {
/* Refuse write to allocated cluster for streamOptimized */
- fprintf(stderr,
- "VMDK: can't write to allocated cluster"
- " for streamOptimized\n");
+ error_report("Could not write to allocated cluster"
+ " for streamOptimized");
return -EIO;
} else {
/* allocate */
}
static int filename_decompose(const char *filename, char *path, char *prefix,
- char *postfix, size_t buf_len)
+ char *postfix, size_t buf_len, Error **errp)
{
const char *p, *q;
if (filename == NULL || !strlen(filename)) {
- fprintf(stderr, "Vmdk: no filename provided.\n");
+ error_setg(errp, "No filename provided");
return VMDK_ERROR;
}
p = strrchr(filename, '/');
return VMDK_OK;
}
-static int vmdk_create(const char *filename, QEMUOptionParameter *options)
+static int vmdk_create(const char *filename, QEMUOptionParameter *options,
+ Error **errp)
{
int fd, idx = 0;
char desc[BUF_SIZE];
"ddb.geometry.sectors = \"63\"\n"
"ddb.adapterType = \"%s\"\n";
- if (filename_decompose(filename, path, prefix, postfix, PATH_MAX)) {
+ if (filename_decompose(filename, path, prefix, postfix, PATH_MAX, errp)) {
return -EINVAL;
}
/* Read out options */
strcmp(adapter_type, "buslogic") &&
strcmp(adapter_type, "lsilogic") &&
strcmp(adapter_type, "legacyESX")) {
- fprintf(stderr, "VMDK: Unknown adapter type: '%s'.\n", adapter_type);
+ error_setg(errp, "Unknown adapter type: '%s'", adapter_type);
return -EINVAL;
}
if (strcmp(adapter_type, "ide") != 0) {
strcmp(fmt, "twoGbMaxExtentSparse") &&
strcmp(fmt, "twoGbMaxExtentFlat") &&
strcmp(fmt, "streamOptimized")) {
- fprintf(stderr, "VMDK: Unknown subformat: %s\n", fmt);
+ error_setg(errp, "Unknown subformat: '%s'", fmt);
return -EINVAL;
}
split = !(strcmp(fmt, "twoGbMaxExtentFlat") &&
desc_extent_line = "RW %lld SPARSE \"%s\"\n";
}
if (flat && backing_file) {
- /* not supporting backing file for flat image */
+ error_setg(errp, "Flat image can't have backing file");
+ return -ENOTSUP;
+ }
+ if (flat && zeroed_grain) {
+ error_setg(errp, "Flat image can't enable zeroed grain");
return -ENOTSUP;
}
if (backing_file) {
BlockDriverState *bs = bdrv_new("");
- ret = bdrv_open(bs, backing_file, NULL, 0, NULL);
+ ret = bdrv_open(bs, backing_file, NULL, 0, NULL, errp);
if (ret != 0) {
bdrv_unref(bs);
return ret;
BDRVVmdkState *s = bs->opaque;
vmdk_free_extents(bs);
+ g_free(s->create_type);
migrate_del_blocker(s->migration_blocker);
error_free(s->migration_blocker);
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,
.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,
};
projects / qemu.git / blobdiff