[Qemu-devel] [PATCH 0/5] vmdk: Implement x-blockdev-create

[Qemu-devel] [PATCH 0/5] vmdk: Implement x-blockdev-create

[Fam Zheng]

This adds vmdk support to x-blockdev-create command.

Unlike other formats, several VMDK subformats consists of multiple files
(extents). In the QAPI interface we use an array of BlockdevRef to pass in. The
management tool need to figure out how many extent files are needed but that is
simple enough. There is a convention how VMware (as well as qemu-img) builds
the extents' file names, but that isn't standardized, therefore it is not
documented as part of this API.  Extraneous extents in the end of the provided
array are ignored.

A big part of the patch is refactoring so that BlockdevRef parsing can be
hooked in.

Please review! Thanks.

Fam Zheng (5):
  qapi: Add qapi_enum_parse_full
  vmdk: Refactor vmdk_create_extent
  vmdk: Implement .bdrv_co_create callback
  iotests: Filter cid numbers in VMDK extent info
  iotests: Add VMDK tests for blockdev-create

 block/vmdk.c                     | 550 ++++++++++++++++++++++++++++-----------
 include/qapi/util.h              |   2 +
 qapi/block-core.json             |  67 ++++-
 qapi/qapi-util.c                 |  20 +-
 tests/qemu-iotests/214           | 268 +++++++++++++++++++
 tests/qemu-iotests/214.out       | 304 ++++++++++++++++++++++
 tests/qemu-iotests/common.filter |   1 +
 tests/qemu-iotests/group         |   1 +
 8 files changed, 1053 insertions(+), 160 deletions(-)
 create mode 100755 tests/qemu-iotests/214
 create mode 100644 tests/qemu-iotests/214.out

-- 
2.14.3

[Qemu-devel] [PATCH 1/5] qapi: Add qapi_enum_parse_full

[Fam Zheng]

This variant of qapi_enum_parse can do case insensitive compare.

Signed-off-by: Fam Zheng <famz@redhat.com>
---
 include/qapi/util.h |  2 ++
 qapi/qapi-util.c    | 20 ++++++++++++++++----
 2 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/include/qapi/util.h b/include/qapi/util.h
index a7c3c64148..2cec231919 100644
--- a/include/qapi/util.h
+++ b/include/qapi/util.h
@@ -19,6 +19,8 @@ typedef struct QEnumLookup {
 const char *qapi_enum_lookup(const QEnumLookup *lookup, int val);
 int qapi_enum_parse(const QEnumLookup *lookup, const char *buf,
                     int def, Error **errp);
+int qapi_enum_parse_full(const QEnumLookup *lookup, const char *buf,
+                         int def, bool ignore_case, Error **errp);
 
 int parse_qapi_name(const char *name, bool complete);
 
diff --git a/qapi/qapi-util.c b/qapi/qapi-util.c
index e9b266bb70..6180957edb 100644
--- a/qapi/qapi-util.c
+++ b/qapi/qapi-util.c
@@ -21,8 +21,8 @@ const char *qapi_enum_lookup(const QEnumLookup *lookup, int val)
     return lookup->array[val];
 }
 
-int qapi_enum_parse(const QEnumLookup *lookup, const char *buf,
-                    int def, Error **errp)
+int qapi_enum_parse_full(const QEnumLookup *lookup, const char *buf,
+                         int def, bool ignore_case, Error **errp)
 {
     int i;
 
@@ -31,8 +31,14 @@ int qapi_enum_parse(const QEnumLookup *lookup, const char *buf,
     }
 
     for (i = 0; i < lookup->size; i++) {
-        if (!strcmp(buf, lookup->array[i])) {
-            return i;
+        if (ignore_case) {
+            if (!strcasecmp(buf, lookup->array[i])) {
+                return i;
+            }
+        } else {
+            if (!strcmp(buf, lookup->array[i])) {
+                return i;
+            }
         }
     }
 
@@ -40,6 +46,12 @@ int qapi_enum_parse(const QEnumLookup *lookup, const char *buf,
     return def;
 }
 
+int qapi_enum_parse(const QEnumLookup *lookup, const char *buf,
+                    int def, Error **errp)
+{
+    return qapi_enum_parse_full(lookup, buf, def, false, errp);
+}
+
 /*
  * Parse a valid QAPI name from @str.
  * A valid name consists of letters, digits, hyphen and underscore.
-- 
2.14.3

Re: [Qemu-devel] [PATCH 1/5] qapi: Add qapi_enum_parse_full

[Markus Armbruster]

Fam Zheng <famz@redhat.com> writes:

> This variant of qapi_enum_parse can do case insensitive compare.

I'm curious why we need that.  We'll see when we get to the new
function's uses.

> Signed-off-by: Fam Zheng <famz@redhat.com>
> ---
>  include/qapi/util.h |  2 ++
>  qapi/qapi-util.c    | 20 ++++++++++++++++----
>  2 files changed, 18 insertions(+), 4 deletions(-)
>
> diff --git a/include/qapi/util.h b/include/qapi/util.h
> index a7c3c64148..2cec231919 100644
> --- a/include/qapi/util.h
> +++ b/include/qapi/util.h
> @@ -19,6 +19,8 @@ typedef struct QEnumLookup {
>  const char *qapi_enum_lookup(const QEnumLookup *lookup, int val);
>  int qapi_enum_parse(const QEnumLookup *lookup, const char *buf,
>                      int def, Error **errp);
> +int qapi_enum_parse_full(const QEnumLookup *lookup, const char *buf,
> +                         int def, bool ignore_case, Error **errp);
>  
>  int parse_qapi_name(const char *name, bool complete);
>  
> diff --git a/qapi/qapi-util.c b/qapi/qapi-util.c
> index e9b266bb70..6180957edb 100644
> --- a/qapi/qapi-util.c
> +++ b/qapi/qapi-util.c
> @@ -21,8 +21,8 @@ const char *qapi_enum_lookup(const QEnumLookup *lookup, int val)
>      return lookup->array[val];
>  }
>  
> -int qapi_enum_parse(const QEnumLookup *lookup, const char *buf,
> -                    int def, Error **errp)
> +int qapi_enum_parse_full(const QEnumLookup *lookup, const char *buf,
> +                         int def, bool ignore_case, Error **errp)
>  {
>      int i;
>  
> @@ -31,8 +31,14 @@ int qapi_enum_parse(const QEnumLookup *lookup, const char *buf,
>      }
>  
>      for (i = 0; i < lookup->size; i++) {
> -        if (!strcmp(buf, lookup->array[i])) {
> -            return i;
> +        if (ignore_case) {
> +            if (!strcasecmp(buf, lookup->array[i])) {
> +                return i;
> +            }
> +        } else {
> +            if (!strcmp(buf, lookup->array[i])) {
> +                return i;
> +            }
>          }
>      }
>  
> @@ -40,6 +46,12 @@ int qapi_enum_parse(const QEnumLookup *lookup, const char *buf,
>      return def;
>  }
>  
> +int qapi_enum_parse(const QEnumLookup *lookup, const char *buf,
> +                    int def, Error **errp)
> +{
> +    return qapi_enum_parse_full(lookup, buf, def, false, errp);
> +}
> +
>  /*
>   * Parse a valid QAPI name from @str.
>   * A valid name consists of letters, digits, hyphen and underscore.

What's "full" about qapi_enum_parse_full()?

Existing parse_unit_full() differs from parse_uint() in that it always
consumes the full string.  Hmm.

Do we expect to pass anything but literal false or true to @ignore_case?
If not, then a more convenient interface is two functions, just like we
have strcmp() and strcasecmp().  They could still call a common internal
helper to avoid code duplication.  Consider passing strcmp, strcasecmp
instead of false, true to it then.

[Qemu-devel] [PATCH 2/5] vmdk: Refactor vmdk_create_extent

[Fam Zheng]

The extracted vmdk_init_extent takes a BlockBackend object and
initializes the format metadata. It is the common part between "qemu-img
create" and "blockdev-create".

Add a "BlockBackend *pbb" parameter to vmdk_create_extent, to return the
opened BB to the caller in the next patch.

Signed-off-by: Fam Zheng <famz@redhat.com>
---
 block/vmdk.c | 71 +++++++++++++++++++++++++++++++++++++-----------------------
 1 file changed, 44 insertions(+), 27 deletions(-)

diff --git a/block/vmdk.c b/block/vmdk.c
index 84f8bbe480..083942f806 100644
--- a/block/vmdk.c
+++ b/block/vmdk.c
@@ -1714,35 +1714,17 @@ static int coroutine_fn vmdk_co_pwrite_zeroes(BlockDriverState *bs,
     return ret;
 }
 
-static int vmdk_create_extent(const char *filename, int64_t filesize,
-                              bool flat, bool compress, bool zeroed_grain,
-                              QemuOpts *opts, Error **errp)
+static int vmdk_init_extent(BlockBackend *blk,
+                            int64_t filesize, bool flat,
+                            bool compress, bool zeroed_grain,
+                            Error **errp)
 {
     int ret, i;
-    BlockBackend *blk = NULL;
     VMDK4Header header;
-    Error *local_err = NULL;
     uint32_t tmp, magic, grains, gd_sectors, gt_size, gt_count;
     uint32_t *gd_buf = NULL;
     int gd_buf_size;
 
-    ret = bdrv_create_file(filename, opts, &local_err);
-    if (ret < 0) {
-        error_propagate(errp, local_err);
-        goto exit;
-    }
-
-    blk = blk_new_open(filename, NULL, NULL,
-                       BDRV_O_RDWR | BDRV_O_RESIZE | BDRV_O_PROTOCOL,
-                       &local_err);
-    if (blk == NULL) {
-        error_propagate(errp, local_err);
-        ret = -EIO;
-        goto exit;
-    }
-
-    blk_set_allow_write_beyond_eof(blk, true);
-
     if (flat) {
         ret = blk_truncate(blk, filesize, PREALLOC_MODE_OFF, errp);
         goto exit;
@@ -1836,18 +1818,53 @@ static int vmdk_create_extent(const char *filename, int64_t filesize,
                      gd_buf, gd_buf_size, 0);
     if (ret < 0) {
         error_setg(errp, QERR_IO_ERROR);
-        goto exit;
     }
 
     ret = 0;
 exit:
-    if (blk) {
-        blk_unref(blk);
-    }
     g_free(gd_buf);
     return ret;
 }
 
+static int vmdk_create_extent(const char *filename, int64_t filesize,
+                              bool flat, bool compress, bool zeroed_grain,
+                              BlockBackend **pbb,
+                              QemuOpts *opts, Error **errp)
+{
+    int ret;
+    BlockBackend *blk = NULL;
+    Error *local_err = NULL;
+
+    ret = bdrv_create_file(filename, opts, &local_err);
+    if (ret < 0) {
+        error_propagate(errp, local_err);
+        goto exit;
+    }
+
+    blk = blk_new_open(filename, NULL, NULL,
+                       BDRV_O_RDWR | BDRV_O_RESIZE | BDRV_O_PROTOCOL,
+                       &local_err);
+    if (blk == NULL) {
+        error_propagate(errp, local_err);
+        ret = -EIO;
+        goto exit;
+    }
+
+    blk_set_allow_write_beyond_eof(blk, true);
+
+    ret = vmdk_init_extent(blk, filesize, flat, compress, zeroed_grain, errp);
+exit:
+    if (blk) {
+        if (pbb) {
+            *pbb = blk;
+        } else {
+            blk_unref(blk);
+            blk = NULL;
+        }
+    }
+    return ret;
+}
+
 static int filename_decompose(const char *filename, char *path, char *prefix,
                               char *postfix, size_t buf_len, Error **errp)
 {
@@ -2067,7 +2084,7 @@ static int coroutine_fn vmdk_co_create_opts(const char *filename, QemuOpts *opts
         snprintf(ext_filename, PATH_MAX, "%s%s", path, desc_filename);
 
         if (vmdk_create_extent(ext_filename, size,
-                               flat, compress, zeroed_grain, opts, errp)) {
+                               flat, compress, zeroed_grain, NULL, opts, errp)) {
             ret = -EINVAL;
             goto exit;
         }
-- 
2.14.3

[Qemu-devel] [PATCH 3/5] vmdk: Implement .bdrv_co_create callback

[Fam Zheng]

This makes VMDK support x-blockdev-create. The implementation reuses the
image creation code in vmdk_co_create_opts which now acceptes a callback
pointer to "retrieve" BlockBackend pointers from the caller. This way we
separate the logic between file/extent acquisition and initialization.

The QAPI command parameters are mostly the same as the old create_opts
except the dropped legacy @compat6 switch, which is redundant with
@hwversion.

Signed-off-by: Fam Zheng <famz@redhat.com>
---
 block/vmdk.c         | 481 +++++++++++++++++++++++++++++++++++++--------------
 qapi/block-core.json |  67 ++++++-
 2 files changed, 418 insertions(+), 130 deletions(-)

diff --git a/block/vmdk.c b/block/vmdk.c
index 083942f806..e16b04e26a 100644
--- a/block/vmdk.c
+++ b/block/vmdk.c
@@ -1905,38 +1905,87 @@ static int filename_decompose(const char *filename, char *path, char *prefix,
     return VMDK_OK;
 }
 
-static int coroutine_fn vmdk_co_create_opts(const char *filename, QemuOpts *opts,
-                                            Error **errp)
+/* Stringify BlockdevVmdkSubformat enum in the faimiliar camelCase. */
+static const char *vmdk_subformat_str(BlockdevVmdkSubformat subformat)
 {
-    int idx = 0;
-    BlockBackend *new_blk = NULL;
+    switch (subformat) {
+    case BLOCKDEV_VMDK_SUBFORMAT_MONOLITHICSPARSE:
+        return "monolithicSparse";
+    case BLOCKDEV_VMDK_SUBFORMAT_MONOLITHICFLAT:
+        return "monolithicFlat";
+    case BLOCKDEV_VMDK_SUBFORMAT_TWOGBMAXEXTENTFLAT:
+        return "twoGbMaxExtentFlat";
+    case BLOCKDEV_VMDK_SUBFORMAT_TWOGBMAXEXTENTSPARSE:
+        return "twoGbMaxExtentSparse";
+    case BLOCKDEV_VMDK_SUBFORMAT_STREAMOPTIMIZED:
+        return "streamOptimized";
+    default:
+        abort();
+    }
+}
+
+/*
+ * idx == 0: get or create the descriptor file (also the image file if in a
+ *           non-split format.
+ * idx >= 1: get the n-th extent if in a split subformat
+ */
+typedef BlockBackend *(*vmdk_create_extent_fn)(int64_t size,
+                                               int idx,
+                                               bool flat,
+                                               bool split,
+                                               bool compress,
+                                               bool zeroed_grain,
+                                               void *opaque,
+                                               Error **errp);
+
+static void vmdk_desc_add_extent(GString *desc,
+                                 const char *extent_line_fmt,
+                                 int64_t size, const char *filename)
+{
+    char *desc_line = g_malloc0(BUF_SIZE);
+    const char *basename = strrchr(filename, '/');
+    if (!basename) {
+        basename = filename;
+    } else {
+        basename += 1;
+    }
+    snprintf(desc_line, BUF_SIZE, extent_line_fmt,
+             DIV_ROUND_UP(size, BDRV_SECTOR_SIZE),
+             basename);
+    g_string_append(desc, desc_line);
+    g_free(desc_line);
+}
+
+static int coroutine_fn vmdk_co_do_create(int64_t size,
+                                          BlockdevVmdkSubformat subformat,
+                                          BlockdevVmdkAdapterType adapter_type,
+                                          const char *backing_file,
+                                          const char *hw_version,
+                                          bool compat6,
+                                          bool zeroed_grain,
+                                          vmdk_create_extent_fn extent_fn,
+                                          void *opaque,
+                                          Error **errp)
+{
+    int extent_idx;
+    BlockBackend *blk;
     Error *local_err = NULL;
     char *desc = NULL;
-    int64_t total_size = 0, filesize;
-    char *adapter_type = NULL;
-    char *backing_file = NULL;
-    char *hw_version = NULL;
-    char *fmt = NULL;
     int ret = 0;
     bool flat, split, compress;
     GString *ext_desc_lines;
-    char *path = g_malloc0(PATH_MAX);
-    char *prefix = g_malloc0(PATH_MAX);
-    char *postfix = g_malloc0(PATH_MAX);
-    char *desc_line = g_malloc0(BUF_SIZE);
-    char *ext_filename = g_malloc0(PATH_MAX);
-    char *desc_filename = g_malloc0(PATH_MAX);
     const int64_t split_size = 0x80000000;  /* VMDK has constant split size */
-    const char *desc_extent_line;
+    int64_t extent_size;
+    int64_t created_size = 0;
+    const char *extent_line_fmt;
     char *parent_desc_line = g_malloc0(BUF_SIZE);
     uint32_t parent_cid = 0xffffffff;
     uint32_t number_heads = 16;
-    bool zeroed_grain = false;
     uint32_t desc_offset = 0, desc_len;
     const char desc_template[] =
         "# Disk DescriptorFile\n"
         "version=1\n"
-        "CID=%" PRIx32 "\n"
+        "CID=%08" PRIx32 "\n"
         "parentCID=%" PRIx32 "\n"
         "createType=\"%s\"\n"
         "%s"
@@ -1955,71 +2004,35 @@ static int coroutine_fn vmdk_co_create_opts(const char *filename, QemuOpts *opts
 
     ext_desc_lines = g_string_new(NULL);
 
-    if (filename_decompose(filename, path, prefix, postfix, PATH_MAX, errp)) {
-        ret = -EINVAL;
-        goto exit;
-    }
     /* Read out options */
-    total_size = ROUND_UP(qemu_opt_get_size_del(opts, BLOCK_OPT_SIZE, 0),
-                          BDRV_SECTOR_SIZE);
-    adapter_type = qemu_opt_get_del(opts, BLOCK_OPT_ADAPTER_TYPE);
-    backing_file = qemu_opt_get_del(opts, BLOCK_OPT_BACKING_FILE);
-    hw_version = qemu_opt_get_del(opts, BLOCK_OPT_HWVERSION);
-    if (qemu_opt_get_bool_del(opts, BLOCK_OPT_COMPAT6, false)) {
-        if (strcmp(hw_version, "undefined")) {
+    if (compat6) {
+        if (hw_version) {
             error_setg(errp,
                        "compat6 cannot be enabled with hwversion set");
             ret = -EINVAL;
             goto exit;
         }
-        g_free(hw_version);
-        hw_version = g_strdup("6");
+        hw_version = "6";
     }
-    if (strcmp(hw_version, "undefined") == 0) {
-        g_free(hw_version);
-        hw_version = g_strdup("4");
-    }
-    fmt = qemu_opt_get_del(opts, BLOCK_OPT_SUBFMT);
-    if (qemu_opt_get_bool_del(opts, BLOCK_OPT_ZEROED_GRAIN, false)) {
-        zeroed_grain = true;
+    if (!hw_version) {
+        hw_version = "4";
     }
 
-    if (!adapter_type) {
-        adapter_type = g_strdup("ide");
-    } else if (strcmp(adapter_type, "ide") &&
-               strcmp(adapter_type, "buslogic") &&
-               strcmp(adapter_type, "lsilogic") &&
-               strcmp(adapter_type, "legacyESX")) {
-        error_setg(errp, "Unknown adapter type: '%s'", adapter_type);
-        ret = -EINVAL;
-        goto exit;
-    }
-    if (strcmp(adapter_type, "ide") != 0) {
+    if (adapter_type != BLOCKDEV_VMDK_ADAPTER_TYPE_IDE) {
         /* that's the number of heads with which vmware operates when
            creating, exporting, etc. vmdk files with a non-ide adapter type */
         number_heads = 255;
     }
-    if (!fmt) {
-        /* Default format to monolithicSparse */
-        fmt = g_strdup("monolithicSparse");
-    } else if (strcmp(fmt, "monolithicFlat") &&
-               strcmp(fmt, "monolithicSparse") &&
-               strcmp(fmt, "twoGbMaxExtentSparse") &&
-               strcmp(fmt, "twoGbMaxExtentFlat") &&
-               strcmp(fmt, "streamOptimized")) {
-        error_setg(errp, "Unknown subformat: '%s'", fmt);
-        ret = -EINVAL;
-        goto exit;
-    }
-    split = !(strcmp(fmt, "twoGbMaxExtentFlat") &&
-              strcmp(fmt, "twoGbMaxExtentSparse"));
-    flat = !(strcmp(fmt, "monolithicFlat") &&
-             strcmp(fmt, "twoGbMaxExtentFlat"));
-    compress = !strcmp(fmt, "streamOptimized");
+    split = (subformat == BLOCKDEV_VMDK_SUBFORMAT_TWOGBMAXEXTENTFLAT) ||
+            (subformat == BLOCKDEV_VMDK_SUBFORMAT_TWOGBMAXEXTENTSPARSE);
+    flat = (subformat == BLOCKDEV_VMDK_SUBFORMAT_MONOLITHICFLAT) ||
+           (subformat == BLOCKDEV_VMDK_SUBFORMAT_TWOGBMAXEXTENTFLAT);
+    compress = subformat == BLOCKDEV_VMDK_SUBFORMAT_STREAMOPTIMIZED;
+
     if (flat) {
-        desc_extent_line = "RW %" PRId64 " FLAT \"%s\" 0\n";
+        extent_line_fmt = "RW %" PRId64 " FLAT \"%s\" 0\n";
     } else {
-        desc_extent_line = "RW %" PRId64 " SPARSE \"%s\"\n";
+        extent_line_fmt = "RW %" PRId64 " SPARSE \"%s\"\n";
     }
     if (flat && backing_file) {
         error_setg(errp, "Flat image can't have backing file");
@@ -2031,10 +2044,34 @@ static int coroutine_fn vmdk_co_create_opts(const char *filename, QemuOpts *opts
         ret = -ENOTSUP;
         goto exit;
     }
+
+    /* Create extents */
+    if (split) {
+        extent_size = split_size;
+    } else {
+        extent_size = size;
+    }
+    if (!split && !flat) {
+        created_size = extent_size;
+    } else {
+        created_size = 0;
+    }
+    /* Get the descriptor file BDS */
+    blk = extent_fn(created_size, 0, flat, split, compress, zeroed_grain,
+                    opaque, errp);
+    if (!blk) {
+        ret = -EIO;
+        goto exit;
+    }
+    if (!split && !flat) {
+        vmdk_desc_add_extent(ext_desc_lines, extent_line_fmt, created_size,
+                             blk_bs(blk)->filename);
+    }
+
     if (backing_file) {
-        BlockBackend *blk;
+        BlockBackend *backing;
         char *full_backing = g_new0(char, PATH_MAX);
-        bdrv_get_full_backing_filename_from_filename(filename, backing_file,
+        bdrv_get_full_backing_filename_from_filename(blk_bs(blk)->filename, backing_file,
                                                      full_backing, PATH_MAX,
                                                      &local_err);
         if (local_err) {
@@ -2044,93 +2081,65 @@ static int coroutine_fn vmdk_co_create_opts(const char *filename, QemuOpts *opts
             goto exit;
         }
 
-        blk = blk_new_open(full_backing, NULL, NULL,
-                           BDRV_O_NO_BACKING, errp);
+        backing = blk_new_open(full_backing, NULL, NULL,
+                               BDRV_O_NO_BACKING, errp);
         g_free(full_backing);
-        if (blk == NULL) {
+        if (backing == NULL) {
             ret = -EIO;
             goto exit;
         }
-        if (strcmp(blk_bs(blk)->drv->format_name, "vmdk")) {
-            blk_unref(blk);
+        if (strcmp(blk_bs(backing)->drv->format_name, "vmdk")) {
+            error_setg(errp, "Invalid backing file format: %s. Must be vmdk",
+                       blk_bs(backing)->drv->format_name);
+            blk_unref(backing);
             ret = -EINVAL;
             goto exit;
         }
-        ret = vmdk_read_cid(blk_bs(blk), 0, &parent_cid);
-        blk_unref(blk);
+        ret = vmdk_read_cid(blk_bs(backing), 0, &parent_cid);
+        blk_unref(backing);
         if (ret) {
+            error_setg(errp, "Failed to read parent CID");
             goto exit;
         }
         snprintf(parent_desc_line, BUF_SIZE,
                 "parentFileNameHint=\"%s\"", backing_file);
     }
-
-    /* Create extents */
-    filesize = total_size;
-    while (filesize > 0) {
-        int64_t size = filesize;
-
-        if (split && size > split_size) {
-            size = split_size;
-        }
-        if (split) {
-            snprintf(desc_filename, PATH_MAX, "%s-%c%03d%s",
-                    prefix, flat ? 'f' : 's', ++idx, postfix);
-        } else if (flat) {
-            snprintf(desc_filename, PATH_MAX, "%s-flat%s", prefix, postfix);
-        } else {
-            snprintf(desc_filename, PATH_MAX, "%s%s", prefix, postfix);
-        }
-        snprintf(ext_filename, PATH_MAX, "%s%s", path, desc_filename);
-
-        if (vmdk_create_extent(ext_filename, size,
-                               flat, compress, zeroed_grain, NULL, opts, errp)) {
+    extent_idx = 1;
+    while (created_size < size) {
+        BlockBackend *extent_blk;
+        int64_t cur_size = MIN(size - created_size, extent_size);
+        extent_blk = extent_fn(cur_size, extent_idx, flat, split, compress,
+                               zeroed_grain, opaque, errp);
+        if (!extent_blk) {
             ret = -EINVAL;
             goto exit;
         }
-        filesize -= size;
-
-        /* Format description line */
-        snprintf(desc_line, BUF_SIZE,
-                    desc_extent_line, size / BDRV_SECTOR_SIZE, desc_filename);
-        g_string_append(ext_desc_lines, desc_line);
+        vmdk_desc_add_extent(ext_desc_lines, extent_line_fmt, cur_size,
+                             blk_bs(extent_blk)->filename);
+        created_size += cur_size;
+        extent_idx++;
+        blk_unref(extent_blk);
     }
     /* generate descriptor file */
     desc = g_strdup_printf(desc_template,
                            g_random_int(),
                            parent_cid,
-                           fmt,
+                           vmdk_subformat_str(subformat),
                            parent_desc_line,
                            ext_desc_lines->str,
                            hw_version,
-                           total_size /
+                           size /
                                (int64_t)(63 * number_heads * BDRV_SECTOR_SIZE),
                            number_heads,
-                           adapter_type);
+                           qapi_enum_lookup(&BlockdevVmdkAdapterType_lookup,
+                                            adapter_type));
     desc_len = strlen(desc);
     /* the descriptor offset = 0x200 */
     if (!split && !flat) {
         desc_offset = 0x200;
-    } else {
-        ret = bdrv_create_file(filename, opts, &local_err);
-        if (ret < 0) {
-            error_propagate(errp, local_err);
-            goto exit;
-        }
     }
 
-    new_blk = blk_new_open(filename, NULL, NULL,
-                           BDRV_O_RDWR | BDRV_O_RESIZE | BDRV_O_PROTOCOL,
-                           &local_err);
-    if (new_blk == NULL) {
-        error_propagate(errp, local_err);
-        ret = -EIO;
-        goto exit;
-    }
-
-    blk_set_allow_write_beyond_eof(new_blk, true);
-
-    ret = blk_pwrite(new_blk, desc_offset, desc, desc_len, 0);
+    ret = blk_pwrite(blk, desc_offset, desc, desc_len, 0);
     if (ret < 0) {
         error_setg_errno(errp, -ret, "Could not write description");
         goto exit;
@@ -2138,12 +2147,148 @@ static int coroutine_fn vmdk_co_create_opts(const char *filename, QemuOpts *opts
     /* bdrv_pwrite write padding zeros to align to sector, we don't need that
      * for description file */
     if (desc_offset == 0) {
-        ret = blk_truncate(new_blk, desc_len, PREALLOC_MODE_OFF, errp);
+        ret = blk_truncate(blk, desc_len, PREALLOC_MODE_OFF, errp);
     }
 exit:
-    if (new_blk) {
-        blk_unref(new_blk);
+    if (blk) {
+        blk_unref(blk);
     }
+    g_free(desc);
+    g_free(parent_desc_line);
+    g_string_free(ext_desc_lines, true);
+    return ret;
+}
+
+typedef struct {
+    char *path;
+    char *prefix;
+    char *postfix;
+    QemuOpts *opts;
+} VMDKCreateOptsData;
+
+static BlockBackend *vmdk_co_create_opts_cb(int64_t size, int idx,
+                                            bool flat, bool split, bool compress,
+                                            bool zeroed_grain, void *opaque,
+                                            Error **errp)
+{
+    BlockBackend *blk = NULL;
+    BlockDriverState *bs = NULL;
+    VMDKCreateOptsData *data = opaque;
+    char *ext_filename = NULL;
+    char *rel_filename = NULL;
+
+    if (idx == 0) {
+        rel_filename = g_strdup_printf("%s%s", data->prefix, data->postfix);
+    } else if (split) {
+        rel_filename = g_strdup_printf("%s-%c%03d%s",
+                                       data->prefix,
+                                       flat ? 'f' : 's', idx, data->postfix);
+    } else {
+        assert(idx == 1);
+        rel_filename = g_strdup_printf("%s-flat%s", data->prefix, data->postfix);
+    }
+
+    ext_filename = g_strdup_printf("%s%s", data->path, rel_filename);
+    g_free(rel_filename);
+
+    if (vmdk_create_extent(ext_filename, size,
+                           flat, compress, zeroed_grain, &blk, data->opts,
+                           errp)) {
+        goto exit;
+    }
+    bdrv_unref(bs);
+exit:
+    g_free(ext_filename);
+    return blk;
+}
+
+static int coroutine_fn vmdk_co_create_opts(const char *filename, QemuOpts *opts,
+                                            Error **errp)
+{
+    Error *local_err = NULL;
+    char *desc = NULL;
+    int64_t total_size = 0;
+    char *adapter_type = NULL;
+    BlockdevVmdkAdapterType adapter_type_enum;
+    char *backing_file = NULL;
+    char *hw_version = NULL;
+    char *fmt = NULL;
+    BlockdevVmdkSubformat subformat;
+    int ret = 0;
+    char *path = g_malloc0(PATH_MAX);
+    char *prefix = g_malloc0(PATH_MAX);
+    char *postfix = g_malloc0(PATH_MAX);
+    char *desc_line = g_malloc0(BUF_SIZE);
+    char *ext_filename = g_malloc0(PATH_MAX);
+    char *desc_filename = g_malloc0(PATH_MAX);
+    char *parent_desc_line = g_malloc0(BUF_SIZE);
+    bool zeroed_grain;
+    bool compat6;
+    int i;
+    VMDKCreateOptsData data;
+
+    if (filename_decompose(filename, path, prefix, postfix, PATH_MAX, errp)) {
+        ret = -EINVAL;
+        goto exit;
+    }
+    /* Read out options */
+    total_size = ROUND_UP(qemu_opt_get_size_del(opts, BLOCK_OPT_SIZE, 0),
+                          BDRV_SECTOR_SIZE);
+    adapter_type = qemu_opt_get_del(opts, BLOCK_OPT_ADAPTER_TYPE);
+    backing_file = qemu_opt_get_del(opts, BLOCK_OPT_BACKING_FILE);
+    hw_version = qemu_opt_get_del(opts, BLOCK_OPT_HWVERSION);
+    compat6 = qemu_opt_get_bool_del(opts, BLOCK_OPT_COMPAT6, false);
+    if (strcmp(hw_version, "undefined") == 0) {
+        g_free(hw_version);
+        hw_version = g_strdup("4");
+    }
+    fmt = qemu_opt_get_del(opts, BLOCK_OPT_SUBFMT);
+    zeroed_grain = qemu_opt_get_bool_del(opts, BLOCK_OPT_ZEROED_GRAIN, false);
+
+    if (adapter_type) {
+        for (i = 0; i < strlen(adapter_type); ++i) {
+            adapter_type[i] = qemu_tolower(adapter_type[i]);
+        }
+        adapter_type_enum = qapi_enum_parse_full(&BlockdevVmdkAdapterType_lookup,
+                                                 adapter_type,
+                                                 BLOCKDEV_VMDK_ADAPTER_TYPE_IDE,
+                                                 true,
+                                                 &local_err);
+        if (local_err) {
+            error_propagate(errp, local_err);
+            ret = -EINVAL;
+            goto exit;
+        }
+    } else {
+        adapter_type_enum = BLOCKDEV_VMDK_ADAPTER_TYPE_IDE;
+    }
+
+    if (!fmt) {
+        /* Default format to monolithicSparse */
+        subformat = BLOCKDEV_VMDK_SUBFORMAT_MONOLITHICSPARSE;
+    } else {
+        subformat = qapi_enum_parse_full(&BlockdevVmdkSubformat_lookup,
+                                         fmt,
+                                         BLOCKDEV_VMDK_SUBFORMAT_MONOLITHICSPARSE,
+                                         true,
+                                         &local_err);
+        if (local_err) {
+            error_propagate(errp, local_err);
+            ret = -EINVAL;
+            goto exit;
+        }
+    }
+    data = (VMDKCreateOptsData){
+        .prefix = prefix,
+        .postfix = postfix,
+        .path = path,
+        .opts = opts,
+    };
+    ret = vmdk_co_do_create(total_size, subformat, adapter_type_enum,
+                            backing_file, hw_version, compat6, zeroed_grain,
+                            vmdk_co_create_opts_cb, &data, errp);
+
+exit:
     g_free(adapter_type);
     g_free(backing_file);
     g_free(hw_version);
@@ -2156,7 +2301,84 @@ exit:
     g_free(ext_filename);
     g_free(desc_filename);
     g_free(parent_desc_line);
-    g_string_free(ext_desc_lines, true);
+    return ret;
+}
+
+static BlockBackend *vmdk_co_create_cb(int64_t size, int idx,
+                                       bool flat, bool split, bool compress,
+                                       bool zeroed_grain, void *opaque,
+                                       Error **errp)
+{
+    int ret;
+    BlockDriverState *bs;
+    BlockBackend *blk;
+    BlockdevCreateOptionsVmdk *opts = opaque;
+
+    if (idx == 0) {
+        bs = bdrv_open_blockdev_ref(opts->file, errp);
+    } else {
+        int i;
+        BlockdevRefList *list = opts->extents;
+        for (i = 1; i < idx; i++) {
+            if (!list || !list->next) {
+                error_setg(errp, "Extent [%d] not specified", i);
+                return NULL;
+            }
+            list = list->next;
+        }
+        if (!list) {
+            error_setg(errp, "Extent [%d] not specified", idx - 1);
+            return NULL;
+        }
+        bs = bdrv_open_blockdev_ref(list->value, errp);
+    }
+    if (!bs) {
+        return NULL;
+    }
+    blk = blk_new(BLK_PERM_CONSISTENT_READ | BLK_PERM_WRITE | BLK_PERM_RESIZE,
+                  BLK_PERM_ALL);
+    if (blk_insert_bs(blk, bs, errp)) {
+        bdrv_unref(bs);
+        return NULL;
+    }
+    blk_set_allow_write_beyond_eof(blk, true);
+    bdrv_unref(bs);
+
+    ret = vmdk_init_extent(blk, size, flat, compress, zeroed_grain, errp);
+    if (ret) {
+        blk_unref(blk);
+        blk = NULL;
+    }
+    return blk;
+}
+
+static int coroutine_fn vmdk_co_create(BlockdevCreateOptions *create_options,
+                                       Error **errp)
+{
+    int ret;
+    BlockdevCreateOptionsVmdk *opts;
+
+    opts = &create_options->u.vmdk;
+
+    /* Validate options */
+    if (!QEMU_IS_ALIGNED(opts->size, BDRV_SECTOR_SIZE)) {
+        error_setg(errp, "Image size must be a multiple of 512 bytes");
+        ret = -EINVAL;
+        goto out;
+    }
+
+    ret = vmdk_co_do_create(opts->size,
+                            opts->subformat,
+                            opts->adapter_type,
+                            opts->backing_file,
+                            opts->hwversion,
+                            false,
+                            opts->zeroed_grain,
+                            vmdk_co_create_cb,
+                            opts, errp);
+    return ret;
+
+out:
     return ret;
 }
 
@@ -2424,6 +2646,7 @@ static BlockDriver bdrv_vmdk = {
     .bdrv_co_pwrite_zeroes        = vmdk_co_pwrite_zeroes,
     .bdrv_close                   = vmdk_close,
     .bdrv_co_create_opts          = vmdk_co_create_opts,
+    .bdrv_co_create               = vmdk_co_create,
     .bdrv_co_flush_to_disk        = vmdk_co_flush,
     .bdrv_co_block_status         = vmdk_co_block_status,
     .bdrv_get_allocated_file_size = vmdk_get_allocated_file_size,
diff --git a/qapi/block-core.json b/qapi/block-core.json
index c50517bff3..df3903b54d 100644
--- a/qapi/block-core.json
+++ b/qapi/block-core.json
@@ -3855,6 +3855,71 @@
             'size':             'size',
             '*cluster-size' :   'size' } }
 
+##
+# @BlockdevVmdkSubformat:
+#
+# Subformat options for VMDK images
+#
+# @monolithicsparse: Single file image with sparse cluster allocation
+# @monolithicflat: Single flat data image and a descriptor file
+# @twogbmaxextentsparse: Data is split into 2GB (per virtual LBA) sparse extent
+#                        files, in addition to a descriptor file
+# @twogbmaxextentflat: Data is split into 2GB (per virtual LBA) flat extent
+#                        files, in addition to a descriptor file
+# @streamoptimized: Single file image sparse cluster allocation, optimized for
+#                   streaming over network.
+#
+# Since: 2.13
+##
+{ 'enum': 'BlockdevVmdkSubformat',
+  'data': [ 'monolithicsparse', 'monolithicflat', 'twogbmaxextentsparse',
+            'twogbmaxextentflat', 'streamoptimized'] }
+
+##
+# @BlockdevVmdkAdapterType:
+#
+# Adapter type info for VMDK images
+#
+# Since: 2.13
+##
+{ 'enum': 'BlockdevVmdkAdapterType',
+  'data': [ 'ide', 'buslogic', 'lsilogic', 'legacyesx'] }
+
+##
+# @BlockdevCreateOptionsVmdk:
+#
+# Driver specific image creation options for VMDK.
+#
+# @file         Where to store the new image file. This refers to the image
+#               file for monolithcSparse and streamOptimized format, or the
+#               descriptor file for other formats.
+# @size         Size of the virtual disk in bytes
+# @extents      Where to store the data extents. Required for monolithcflat,
+#               twoGbMaxExtentSparse and twoGbMaxExtentFlat formats. For
+#               monolithicflat, only one entry is required; for
+#               twoGbMaxExtent* formats, the number of entries required is
+#               calculated as extent_number = virtual_size / 2GB.
+# @subformat    The subformat of the VMDK image. Default: "monolithicsparse".
+# @backing-file The path of backing file. Default: no backing file is used.
+# @adapter-type The adapter type used to fill in the descriptor. Default: ide.
+# @hwversion    Hardware version. The meaningful options are "4" or "6".
+#               Defaulted to "4".
+# @zeroed-grain Whether to enable zeroed-grain feature for sparse subformats.
+#               Default: false.
+#
+# Since: 2.13
+##
+{ 'struct': 'BlockdevCreateOptionsVmdk',
+  'data': { 'file':             'BlockdevRef',
+            'size':             'size',
+            '*extents':          ['BlockdevRef'],
+            '*subformat':       'BlockdevVmdkSubformat',
+            '*backing-file':    'str',
+            '*adapter-type':    'BlockdevVmdkAdapterType',
+            '*hwversion':       'str',
+            '*zeroed-grain':    'bool' } }
+
+
 ##
 # @SheepdogRedundancyType:
 #
@@ -4078,7 +4143,7 @@
       'throttle':       'BlockdevCreateNotSupported',
       'vdi':            'BlockdevCreateOptionsVdi',
       'vhdx':           'BlockdevCreateOptionsVhdx',
-      'vmdk':           'BlockdevCreateNotSupported',
+      'vmdk':           'BlockdevCreateOptionsVmdk',
       'vpc':            'BlockdevCreateOptionsVpc',
       'vvfat':          'BlockdevCreateNotSupported',
       'vxhs':           'BlockdevCreateNotSupported'
-- 
2.14.3

Re: [Qemu-devel] [PATCH 3/5] vmdk: Implement .bdrv_co_create callback

[Markus Armbruster]

Beware, I'm only looking at QAPI-related aspects.

Fam Zheng <famz@redhat.com> writes:

> This makes VMDK support x-blockdev-create. The implementation reuses the
> image creation code in vmdk_co_create_opts which now acceptes a callback
> pointer to "retrieve" BlockBackend pointers from the caller. This way we
> separate the logic between file/extent acquisition and initialization.
>
> The QAPI command parameters are mostly the same as the old create_opts
> except the dropped legacy @compat6 switch, which is redundant with
> @hwversion.
>
> Signed-off-by: Fam Zheng <famz@redhat.com>
> ---
>  block/vmdk.c         | 481 +++++++++++++++++++++++++++++++++++++--------------
>  qapi/block-core.json |  67 ++++++-
>  2 files changed, 418 insertions(+), 130 deletions(-)
>
> diff --git a/block/vmdk.c b/block/vmdk.c
> index 083942f806..e16b04e26a 100644
> --- a/block/vmdk.c
> +++ b/block/vmdk.c
> @@ -1905,38 +1905,87 @@ static int filename_decompose(const char *filename, char *path, char *prefix,
>      return VMDK_OK;
>  }
>  
> -static int coroutine_fn vmdk_co_create_opts(const char *filename, QemuOpts *opts,
> -                                            Error **errp)
> +/* Stringify BlockdevVmdkSubformat enum in the faimiliar camelCase. */
> +static const char *vmdk_subformat_str(BlockdevVmdkSubformat subformat)
>  {
> -    int idx = 0;
> -    BlockBackend *new_blk = NULL;
> +    switch (subformat) {
> +    case BLOCKDEV_VMDK_SUBFORMAT_MONOLITHICSPARSE:
> +        return "monolithicSparse";
> +    case BLOCKDEV_VMDK_SUBFORMAT_MONOLITHICFLAT:
> +        return "monolithicFlat";
> +    case BLOCKDEV_VMDK_SUBFORMAT_TWOGBMAXEXTENTFLAT:
> +        return "twoGbMaxExtentFlat";
> +    case BLOCKDEV_VMDK_SUBFORMAT_TWOGBMAXEXTENTSPARSE:
> +        return "twoGbMaxExtentSparse";
> +    case BLOCKDEV_VMDK_SUBFORMAT_STREAMOPTIMIZED:
> +        return "streamOptimized";
> +    default:
> +        abort();
> +    }
> +}

I'd use an array instead of a switch.

The standard mapping from enum FOO to string is FOO_lookup[], commonly
used via qapi_enum_lookup().

vmdk_subformat_str() differs from BlockdevVmdkSubformat_lookup[] only in
case: the former is CamelCase ("monolithicSparse"), the latter is all
lower case (like "monolithicsparse"), because that's how it's spelled in
the QAPI schema.  By the way, QAPI naming conventions ask for hyphens,
like "monolithic-sparse".

Why do you need CamelCase?  Is it for an existing external interface?

If yes, should we use CamelCase in the schema?

Should we use hyphens, and have this function map hyphen followed by
lower case letter to upper case letter?

> +
> +/*
> + * idx == 0: get or create the descriptor file (also the image file if in a
> + *           non-split format.
> + * idx >= 1: get the n-th extent if in a split subformat
> + */
> +typedef BlockBackend *(*vmdk_create_extent_fn)(int64_t size,
> +                                               int idx,
> +                                               bool flat,
> +                                               bool split,
> +                                               bool compress,
> +                                               bool zeroed_grain,
> +                                               void *opaque,
> +                                               Error **errp);
> +
> +static void vmdk_desc_add_extent(GString *desc,
> +                                 const char *extent_line_fmt,
> +                                 int64_t size, const char *filename)
> +{
> +    char *desc_line = g_malloc0(BUF_SIZE);
> +    const char *basename = strrchr(filename, '/');

Blank line between declarations and statements, if you don't mind.

> +    if (!basename) {
> +        basename = filename;
> +    } else {
> +        basename += 1;
> +    }

g_path_get_basename()?

> +    snprintf(desc_line, BUF_SIZE, extent_line_fmt,
> +             DIV_ROUND_UP(size, BDRV_SECTOR_SIZE),
> +             basename);
> +    g_string_append(desc, desc_line);
> +    g_free(desc_line);

g_string_append_printf()?

> +}
> +
> +static int coroutine_fn vmdk_co_do_create(int64_t size,
> +                                          BlockdevVmdkSubformat subformat,
> +                                          BlockdevVmdkAdapterType adapter_type,
> +                                          const char *backing_file,
> +                                          const char *hw_version,
> +                                          bool compat6,
> +                                          bool zeroed_grain,
> +                                          vmdk_create_extent_fn extent_fn,
> +                                          void *opaque,
> +                                          Error **errp)
> +{
> +    int extent_idx;
> +    BlockBackend *blk;
>      Error *local_err = NULL;
>      char *desc = NULL;
> -    int64_t total_size = 0, filesize;
> -    char *adapter_type = NULL;
> -    char *backing_file = NULL;
> -    char *hw_version = NULL;
> -    char *fmt = NULL;
>      int ret = 0;
>      bool flat, split, compress;
>      GString *ext_desc_lines;
> -    char *path = g_malloc0(PATH_MAX);
> -    char *prefix = g_malloc0(PATH_MAX);
> -    char *postfix = g_malloc0(PATH_MAX);
> -    char *desc_line = g_malloc0(BUF_SIZE);
> -    char *ext_filename = g_malloc0(PATH_MAX);
> -    char *desc_filename = g_malloc0(PATH_MAX);
>      const int64_t split_size = 0x80000000;  /* VMDK has constant split size */
> -    const char *desc_extent_line;
> +    int64_t extent_size;
> +    int64_t created_size = 0;
> +    const char *extent_line_fmt;
>      char *parent_desc_line = g_malloc0(BUF_SIZE);
>      uint32_t parent_cid = 0xffffffff;
>      uint32_t number_heads = 16;
> -    bool zeroed_grain = false;
>      uint32_t desc_offset = 0, desc_len;
>      const char desc_template[] =
>          "# Disk DescriptorFile\n"
>          "version=1\n"
> -        "CID=%" PRIx32 "\n"
> +        "CID=%08" PRIx32 "\n"

How is this change related to the patch's purpose?

>          "parentCID=%" PRIx32 "\n"
>          "createType=\"%s\"\n"
>          "%s"
> @@ -1955,71 +2004,35 @@ static int coroutine_fn vmdk_co_create_opts(const char *filename, QemuOpts *opts
>  
>      ext_desc_lines = g_string_new(NULL);
>  
> -    if (filename_decompose(filename, path, prefix, postfix, PATH_MAX, errp)) {
> -        ret = -EINVAL;
> -        goto exit;
> -    }
>      /* Read out options */
> -    total_size = ROUND_UP(qemu_opt_get_size_del(opts, BLOCK_OPT_SIZE, 0),
> -                          BDRV_SECTOR_SIZE);
> -    adapter_type = qemu_opt_get_del(opts, BLOCK_OPT_ADAPTER_TYPE);
> -    backing_file = qemu_opt_get_del(opts, BLOCK_OPT_BACKING_FILE);
> -    hw_version = qemu_opt_get_del(opts, BLOCK_OPT_HWVERSION);
> -    if (qemu_opt_get_bool_del(opts, BLOCK_OPT_COMPAT6, false)) {
> -        if (strcmp(hw_version, "undefined")) {
> +    if (compat6) {
> +        if (hw_version) {
>              error_setg(errp,
>                         "compat6 cannot be enabled with hwversion set");
>              ret = -EINVAL;
>              goto exit;
>          }
> -        g_free(hw_version);
> -        hw_version = g_strdup("6");
> +        hw_version = "6";
>      }
> -    if (strcmp(hw_version, "undefined") == 0) {
> -        g_free(hw_version);
> -        hw_version = g_strdup("4");
> -    }
> -    fmt = qemu_opt_get_del(opts, BLOCK_OPT_SUBFMT);
> -    if (qemu_opt_get_bool_del(opts, BLOCK_OPT_ZEROED_GRAIN, false)) {
> -        zeroed_grain = true;
> +    if (!hw_version) {
> +        hw_version = "4";
>      }
>  
> -    if (!adapter_type) {
> -        adapter_type = g_strdup("ide");
> -    } else if (strcmp(adapter_type, "ide") &&
> -               strcmp(adapter_type, "buslogic") &&
> -               strcmp(adapter_type, "lsilogic") &&
> -               strcmp(adapter_type, "legacyESX")) {
> -        error_setg(errp, "Unknown adapter type: '%s'", adapter_type);
> -        ret = -EINVAL;
> -        goto exit;
> -    }
> -    if (strcmp(adapter_type, "ide") != 0) {
> +    if (adapter_type != BLOCKDEV_VMDK_ADAPTER_TYPE_IDE) {
>          /* that's the number of heads with which vmware operates when
>             creating, exporting, etc. vmdk files with a non-ide adapter type */
>          number_heads = 255;
>      }
> -    if (!fmt) {
> -        /* Default format to monolithicSparse */
> -        fmt = g_strdup("monolithicSparse");
> -    } else if (strcmp(fmt, "monolithicFlat") &&
> -               strcmp(fmt, "monolithicSparse") &&
> -               strcmp(fmt, "twoGbMaxExtentSparse") &&
> -               strcmp(fmt, "twoGbMaxExtentFlat") &&
> -               strcmp(fmt, "streamOptimized")) {
> -        error_setg(errp, "Unknown subformat: '%s'", fmt);
> -        ret = -EINVAL;
> -        goto exit;
> -    }
> -    split = !(strcmp(fmt, "twoGbMaxExtentFlat") &&
> -              strcmp(fmt, "twoGbMaxExtentSparse"));
> -    flat = !(strcmp(fmt, "monolithicFlat") &&
> -             strcmp(fmt, "twoGbMaxExtentFlat"));
> -    compress = !strcmp(fmt, "streamOptimized");
> +    split = (subformat == BLOCKDEV_VMDK_SUBFORMAT_TWOGBMAXEXTENTFLAT) ||
> +            (subformat == BLOCKDEV_VMDK_SUBFORMAT_TWOGBMAXEXTENTSPARSE);
> +    flat = (subformat == BLOCKDEV_VMDK_SUBFORMAT_MONOLITHICFLAT) ||
> +           (subformat == BLOCKDEV_VMDK_SUBFORMAT_TWOGBMAXEXTENTFLAT);
> +    compress = subformat == BLOCKDEV_VMDK_SUBFORMAT_STREAMOPTIMIZED;
> +
>      if (flat) {
> -        desc_extent_line = "RW %" PRId64 " FLAT \"%s\" 0\n";
> +        extent_line_fmt = "RW %" PRId64 " FLAT \"%s\" 0\n";
>      } else {
> -        desc_extent_line = "RW %" PRId64 " SPARSE \"%s\"\n";
> +        extent_line_fmt = "RW %" PRId64 " SPARSE \"%s\"\n";
>      }
>      if (flat && backing_file) {
>          error_setg(errp, "Flat image can't have backing file");
> @@ -2031,10 +2044,34 @@ static int coroutine_fn vmdk_co_create_opts(const char *filename, QemuOpts *opts
>          ret = -ENOTSUP;
>          goto exit;
>      }
> +
> +    /* Create extents */
> +    if (split) {
> +        extent_size = split_size;
> +    } else {
> +        extent_size = size;
> +    }
> +    if (!split && !flat) {
> +        created_size = extent_size;
> +    } else {
> +        created_size = 0;
> +    }
> +    /* Get the descriptor file BDS */
> +    blk = extent_fn(created_size, 0, flat, split, compress, zeroed_grain,
> +                    opaque, errp);
> +    if (!blk) {
> +        ret = -EIO;
> +        goto exit;
> +    }
> +    if (!split && !flat) {
> +        vmdk_desc_add_extent(ext_desc_lines, extent_line_fmt, created_size,
> +                             blk_bs(blk)->filename);
> +    }
> +
>      if (backing_file) {
> -        BlockBackend *blk;
> +        BlockBackend *backing;
>          char *full_backing = g_new0(char, PATH_MAX);
> -        bdrv_get_full_backing_filename_from_filename(filename, backing_file,
> +        bdrv_get_full_backing_filename_from_filename(blk_bs(blk)->filename, backing_file,
>                                                       full_backing, PATH_MAX,
>                                                       &local_err);
>          if (local_err) {
> @@ -2044,93 +2081,65 @@ static int coroutine_fn vmdk_co_create_opts(const char *filename, QemuOpts *opts
>              goto exit;
>          }
>  
> -        blk = blk_new_open(full_backing, NULL, NULL,
> -                           BDRV_O_NO_BACKING, errp);
> +        backing = blk_new_open(full_backing, NULL, NULL,
> +                               BDRV_O_NO_BACKING, errp);
>          g_free(full_backing);
> -        if (blk == NULL) {
> +        if (backing == NULL) {
>              ret = -EIO;
>              goto exit;
>          }
> -        if (strcmp(blk_bs(blk)->drv->format_name, "vmdk")) {
> -            blk_unref(blk);
> +        if (strcmp(blk_bs(backing)->drv->format_name, "vmdk")) {
> +            error_setg(errp, "Invalid backing file format: %s. Must be vmdk",
> +                       blk_bs(backing)->drv->format_name);
> +            blk_unref(backing);
>              ret = -EINVAL;
>              goto exit;
>          }
> -        ret = vmdk_read_cid(blk_bs(blk), 0, &parent_cid);
> -        blk_unref(blk);
> +        ret = vmdk_read_cid(blk_bs(backing), 0, &parent_cid);
> +        blk_unref(backing);
>          if (ret) {
> +            error_setg(errp, "Failed to read parent CID");
>              goto exit;
>          }
>          snprintf(parent_desc_line, BUF_SIZE,
>                  "parentFileNameHint=\"%s\"", backing_file);
>      }
> -
> -    /* Create extents */
> -    filesize = total_size;
> -    while (filesize > 0) {
> -        int64_t size = filesize;
> -
> -        if (split && size > split_size) {
> -            size = split_size;
> -        }
> -        if (split) {
> -            snprintf(desc_filename, PATH_MAX, "%s-%c%03d%s",
> -                    prefix, flat ? 'f' : 's', ++idx, postfix);
> -        } else if (flat) {
> -            snprintf(desc_filename, PATH_MAX, "%s-flat%s", prefix, postfix);
> -        } else {
> -            snprintf(desc_filename, PATH_MAX, "%s%s", prefix, postfix);
> -        }
> -        snprintf(ext_filename, PATH_MAX, "%s%s", path, desc_filename);
> -
> -        if (vmdk_create_extent(ext_filename, size,
> -                               flat, compress, zeroed_grain, NULL, opts, errp)) {
> +    extent_idx = 1;
> +    while (created_size < size) {
> +        BlockBackend *extent_blk;
> +        int64_t cur_size = MIN(size - created_size, extent_size);
> +        extent_blk = extent_fn(cur_size, extent_idx, flat, split, compress,
> +                               zeroed_grain, opaque, errp);
> +        if (!extent_blk) {
>              ret = -EINVAL;
>              goto exit;
>          }
> -        filesize -= size;
> -
> -        /* Format description line */
> -        snprintf(desc_line, BUF_SIZE,
> -                    desc_extent_line, size / BDRV_SECTOR_SIZE, desc_filename);
> -        g_string_append(ext_desc_lines, desc_line);
> +        vmdk_desc_add_extent(ext_desc_lines, extent_line_fmt, cur_size,
> +                             blk_bs(extent_blk)->filename);
> +        created_size += cur_size;
> +        extent_idx++;
> +        blk_unref(extent_blk);
>      }
>      /* generate descriptor file */
>      desc = g_strdup_printf(desc_template,
>                             g_random_int(),
>                             parent_cid,
> -                           fmt,
> +                           vmdk_subformat_str(subformat),
>                             parent_desc_line,
>                             ext_desc_lines->str,
>                             hw_version,
> -                           total_size /
> +                           size /
>                                 (int64_t)(63 * number_heads * BDRV_SECTOR_SIZE),
>                             number_heads,
> -                           adapter_type);
> +                           qapi_enum_lookup(&BlockdevVmdkAdapterType_lookup,
> +                                            adapter_type));
>      desc_len = strlen(desc);
>      /* the descriptor offset = 0x200 */
>      if (!split && !flat) {
>          desc_offset = 0x200;
> -    } else {
> -        ret = bdrv_create_file(filename, opts, &local_err);
> -        if (ret < 0) {
> -            error_propagate(errp, local_err);
> -            goto exit;
> -        }
>      }
>  
> -    new_blk = blk_new_open(filename, NULL, NULL,
> -                           BDRV_O_RDWR | BDRV_O_RESIZE | BDRV_O_PROTOCOL,
> -                           &local_err);
> -    if (new_blk == NULL) {
> -        error_propagate(errp, local_err);
> -        ret = -EIO;
> -        goto exit;
> -    }
> -
> -    blk_set_allow_write_beyond_eof(new_blk, true);
> -
> -    ret = blk_pwrite(new_blk, desc_offset, desc, desc_len, 0);
> +    ret = blk_pwrite(blk, desc_offset, desc, desc_len, 0);
>      if (ret < 0) {
>          error_setg_errno(errp, -ret, "Could not write description");
>          goto exit;
> @@ -2138,12 +2147,148 @@ static int coroutine_fn vmdk_co_create_opts(const char *filename, QemuOpts *opts
>      /* bdrv_pwrite write padding zeros to align to sector, we don't need that
>       * for description file */
>      if (desc_offset == 0) {
> -        ret = blk_truncate(new_blk, desc_len, PREALLOC_MODE_OFF, errp);
> +        ret = blk_truncate(blk, desc_len, PREALLOC_MODE_OFF, errp);
>      }
>  exit:
> -    if (new_blk) {
> -        blk_unref(new_blk);
> +    if (blk) {
> +        blk_unref(blk);
>      }
> +    g_free(desc);
> +    g_free(parent_desc_line);
> +    g_string_free(ext_desc_lines, true);
> +    return ret;
> +}
> +
> +typedef struct {
> +    char *path;
> +    char *prefix;
> +    char *postfix;
> +    QemuOpts *opts;
> +} VMDKCreateOptsData;
> +
> +static BlockBackend *vmdk_co_create_opts_cb(int64_t size, int idx,
> +                                            bool flat, bool split, bool compress,
> +                                            bool zeroed_grain, void *opaque,
> +                                            Error **errp)
> +{
> +    BlockBackend *blk = NULL;
> +    BlockDriverState *bs = NULL;
> +    VMDKCreateOptsData *data = opaque;
> +    char *ext_filename = NULL;
> +    char *rel_filename = NULL;
> +
> +    if (idx == 0) {
> +        rel_filename = g_strdup_printf("%s%s", data->prefix, data->postfix);
> +    } else if (split) {
> +        rel_filename = g_strdup_printf("%s-%c%03d%s",
> +                                       data->prefix,
> +                                       flat ? 'f' : 's', idx, data->postfix);
> +    } else {
> +        assert(idx == 1);
> +        rel_filename = g_strdup_printf("%s-flat%s", data->prefix, data->postfix);
> +    }
> +
> +    ext_filename = g_strdup_printf("%s%s", data->path, rel_filename);
> +    g_free(rel_filename);
> +
> +    if (vmdk_create_extent(ext_filename, size,
> +                           flat, compress, zeroed_grain, &blk, data->opts,
> +                           errp)) {
> +        goto exit;
> +    }
> +    bdrv_unref(bs);
> +exit:
> +    g_free(ext_filename);
> +    return blk;
> +}
> +
> +static int coroutine_fn vmdk_co_create_opts(const char *filename, QemuOpts *opts,
> +                                            Error **errp)
> +{
> +    Error *local_err = NULL;
> +    char *desc = NULL;
> +    int64_t total_size = 0;
> +    char *adapter_type = NULL;
> +    BlockdevVmdkAdapterType adapter_type_enum;
> +    char *backing_file = NULL;
> +    char *hw_version = NULL;
> +    char *fmt = NULL;
> +    BlockdevVmdkSubformat subformat;
> +    int ret = 0;
> +    char *path = g_malloc0(PATH_MAX);
> +    char *prefix = g_malloc0(PATH_MAX);
> +    char *postfix = g_malloc0(PATH_MAX);
> +    char *desc_line = g_malloc0(BUF_SIZE);
> +    char *ext_filename = g_malloc0(PATH_MAX);
> +    char *desc_filename = g_malloc0(PATH_MAX);
> +    char *parent_desc_line = g_malloc0(BUF_SIZE);
> +    bool zeroed_grain;
> +    bool compat6;
> +    int i;
> +    VMDKCreateOptsData data;
> +
> +    if (filename_decompose(filename, path, prefix, postfix, PATH_MAX, errp)) {
> +        ret = -EINVAL;
> +        goto exit;
> +    }
> +    /* Read out options */
> +    total_size = ROUND_UP(qemu_opt_get_size_del(opts, BLOCK_OPT_SIZE, 0),
> +                          BDRV_SECTOR_SIZE);
> +    adapter_type = qemu_opt_get_del(opts, BLOCK_OPT_ADAPTER_TYPE);
> +    backing_file = qemu_opt_get_del(opts, BLOCK_OPT_BACKING_FILE);
> +    hw_version = qemu_opt_get_del(opts, BLOCK_OPT_HWVERSION);
> +    compat6 = qemu_opt_get_bool_del(opts, BLOCK_OPT_COMPAT6, false);
> +    if (strcmp(hw_version, "undefined") == 0) {
> +        g_free(hw_version);
> +        hw_version = g_strdup("4");
> +    }
> +    fmt = qemu_opt_get_del(opts, BLOCK_OPT_SUBFMT);
> +    zeroed_grain = qemu_opt_get_bool_del(opts, BLOCK_OPT_ZEROED_GRAIN, false);
> +
> +    if (adapter_type) {
> +        for (i = 0; i < strlen(adapter_type); ++i) {
> +            adapter_type[i] = qemu_tolower(adapter_type[i]);
> +        }

First, you convert to lower cases, and then...

> +        adapter_type_enum = qapi_enum_parse_full(&BlockdevVmdkAdapterType_lookup,
> +                                                 adapter_type,
> +                                                 BLOCKDEV_VMDK_ADAPTER_TYPE_IDE,
> +                                                 true,
> +                                                 &local_err);

... you parse case-insensitive.  Huh?

Which spellings did the old code accept?  As far as I can tell, exactly
"ide", "lsilogic", "buslogic", "legacyESX".  Are you sure we should
ignore case going forward?

> +        if (local_err) {
> +            error_propagate(errp, local_err);
> +            ret = -EINVAL;
> +            goto exit;
> +        }
> +    } else {
> +        adapter_type_enum = BLOCKDEV_VMDK_ADAPTER_TYPE_IDE;
> +    }
> +
> +    if (!fmt) {
> +        /* Default format to monolithicSparse */
> +        subformat = BLOCKDEV_VMDK_SUBFORMAT_MONOLITHICSPARSE;
> +    } else {
> +        subformat = qapi_enum_parse_full(&BlockdevVmdkSubformat_lookup,
> +                                         fmt,
> +                                         BLOCKDEV_VMDK_SUBFORMAT_MONOLITHICSPARSE,
> +                                         true,
> +                                         &local_err);
> +        if (local_err) {
> +            error_propagate(errp, local_err);
> +            ret = -EINVAL;
> +            goto exit;
> +        }

Likewise: should we ignore case going forward?  The old code appears to
accept exactly "monolithicFlat", "monolithicSparse",
"twoGbMaxExtentSparse", "twoGbMaxExtentFlat", "streamOptimized".

> +    }
> +    data = (VMDKCreateOptsData){
> +        .prefix = prefix,
> +        .postfix = postfix,
> +        .path = path,
> +        .opts = opts,
> +    };
> +    ret = vmdk_co_do_create(total_size, subformat, adapter_type_enum,
> +                            backing_file, hw_version, compat6, zeroed_grain,
> +                            vmdk_co_create_opts_cb, &data, errp);
> +
> +exit:
>      g_free(adapter_type);
>      g_free(backing_file);
>      g_free(hw_version);
> @@ -2156,7 +2301,84 @@ exit:
>      g_free(ext_filename);
>      g_free(desc_filename);
>      g_free(parent_desc_line);
> -    g_string_free(ext_desc_lines, true);
> +    return ret;
> +}
> +
> +static BlockBackend *vmdk_co_create_cb(int64_t size, int idx,
> +                                       bool flat, bool split, bool compress,
> +                                       bool zeroed_grain, void *opaque,
> +                                       Error **errp)
> +{
> +    int ret;
> +    BlockDriverState *bs;
> +    BlockBackend *blk;
> +    BlockdevCreateOptionsVmdk *opts = opaque;
> +
> +    if (idx == 0) {
> +        bs = bdrv_open_blockdev_ref(opts->file, errp);
> +    } else {
> +        int i;
> +        BlockdevRefList *list = opts->extents;
> +        for (i = 1; i < idx; i++) {
> +            if (!list || !list->next) {
> +                error_setg(errp, "Extent [%d] not specified", i);
> +                return NULL;
> +            }
> +            list = list->next;
> +        }
> +        if (!list) {
> +            error_setg(errp, "Extent [%d] not specified", idx - 1);
> +            return NULL;
> +        }
> +        bs = bdrv_open_blockdev_ref(list->value, errp);
> +    }
> +    if (!bs) {
> +        return NULL;
> +    }
> +    blk = blk_new(BLK_PERM_CONSISTENT_READ | BLK_PERM_WRITE | BLK_PERM_RESIZE,
> +                  BLK_PERM_ALL);
> +    if (blk_insert_bs(blk, bs, errp)) {
> +        bdrv_unref(bs);
> +        return NULL;
> +    }
> +    blk_set_allow_write_beyond_eof(blk, true);
> +    bdrv_unref(bs);
> +
> +    ret = vmdk_init_extent(blk, size, flat, compress, zeroed_grain, errp);
> +    if (ret) {
> +        blk_unref(blk);
> +        blk = NULL;
> +    }
> +    return blk;
> +}
> +
> +static int coroutine_fn vmdk_co_create(BlockdevCreateOptions *create_options,
> +                                       Error **errp)
> +{
> +    int ret;
> +    BlockdevCreateOptionsVmdk *opts;
> +
> +    opts = &create_options->u.vmdk;
> +
> +    /* Validate options */
> +    if (!QEMU_IS_ALIGNED(opts->size, BDRV_SECTOR_SIZE)) {
> +        error_setg(errp, "Image size must be a multiple of 512 bytes");
> +        ret = -EINVAL;
> +        goto out;
> +    }
> +
> +    ret = vmdk_co_do_create(opts->size,
> +                            opts->subformat,
> +                            opts->adapter_type,
> +                            opts->backing_file,
> +                            opts->hwversion,
> +                            false,
> +                            opts->zeroed_grain,
> +                            vmdk_co_create_cb,
> +                            opts, errp);
> +    return ret;
> +
> +out:
>      return ret;
>  }
>  
> @@ -2424,6 +2646,7 @@ static BlockDriver bdrv_vmdk = {
>      .bdrv_co_pwrite_zeroes        = vmdk_co_pwrite_zeroes,
>      .bdrv_close                   = vmdk_close,
>      .bdrv_co_create_opts          = vmdk_co_create_opts,
> +    .bdrv_co_create               = vmdk_co_create,
>      .bdrv_co_flush_to_disk        = vmdk_co_flush,
>      .bdrv_co_block_status         = vmdk_co_block_status,
>      .bdrv_get_allocated_file_size = vmdk_get_allocated_file_size,
> diff --git a/qapi/block-core.json b/qapi/block-core.json
> index c50517bff3..df3903b54d 100644
> --- a/qapi/block-core.json
> +++ b/qapi/block-core.json
> @@ -3855,6 +3855,71 @@
>              'size':             'size',
>              '*cluster-size' :   'size' } }
>  
> +##
> +# @BlockdevVmdkSubformat:
> +#
> +# Subformat options for VMDK images
> +#
> +# @monolithicsparse: Single file image with sparse cluster allocation
> +# @monolithicflat: Single flat data image and a descriptor file
> +# @twogbmaxextentsparse: Data is split into 2GB (per virtual LBA) sparse extent
> +#                        files, in addition to a descriptor file
> +# @twogbmaxextentflat: Data is split into 2GB (per virtual LBA) flat extent
> +#                        files, in addition to a descriptor file
> +# @streamoptimized: Single file image sparse cluster allocation, optimized for
> +#                   streaming over network.
> +#
> +# Since: 2.13
> +##
> +{ 'enum': 'BlockdevVmdkSubformat',
> +  'data': [ 'monolithicsparse', 'monolithicflat', 'twogbmaxextentsparse',
> +            'twogbmaxextentflat', 'streamoptimized'] }

alllowercasewithoutspacesisevenlesslegiblethanCamelCase.
THERESULTINGCIDENTIFIERSAREALLCAPSWITHOUTSPACESWHICHISEVENWORSE.

QAPI conventions ask for monolithic-sparse, monolithic-flat,
two-gb-max-extent-sparse and so forth.  Results in C enum identifiers
BLOCKDEV_VMDK_SUBFORMAT_MONOLITHIC_SPARSE,
BLOCKDEV_VMDK_SUBFORMAT_MONOLITHIC_FLAT,
BLOCKDEV_VMDK_SUBFORMAT_TWO_GB_MAX_EXTENT_SPARSE, ...

The existing external interface appears to ask for monolithicFlat,
monolithicSparse, twoGbMaxExtentSparse, ...  What's the best way to map
between these guys and a QAPI enum?

> +
> +##
> +# @BlockdevVmdkAdapterType:
> +#
> +# Adapter type info for VMDK images
> +#
> +# Since: 2.13
> +##
> +{ 'enum': 'BlockdevVmdkAdapterType',
> +  'data': [ 'ide', 'buslogic', 'lsilogic', 'legacyesx'] }
> +
> +##
> +# @BlockdevCreateOptionsVmdk:
> +#
> +# Driver specific image creation options for VMDK.
> +#
> +# @file         Where to store the new image file. This refers to the image
> +#               file for monolithcSparse and streamOptimized format, or the
> +#               descriptor file for other formats.
> +# @size         Size of the virtual disk in bytes
> +# @extents      Where to store the data extents. Required for monolithcflat,
> +#               twoGbMaxExtentSparse and twoGbMaxExtentFlat formats. For
> +#               monolithicflat, only one entry is required; for
> +#               twoGbMaxExtent* formats, the number of entries required is
> +#               calculated as extent_number = virtual_size / 2GB.
> +# @subformat    The subformat of the VMDK image. Default: "monolithicsparse".
> +# @backing-file The path of backing file. Default: no backing file is used.
> +# @adapter-type The adapter type used to fill in the descriptor. Default: ide.
> +# @hwversion    Hardware version. The meaningful options are "4" or "6".

Okay, these are the meaningfull options.  What are the meaningless ones?

> +#               Defaulted to "4".

More common phrasings are

    Default is "4"
    Defaults to "4"
    Default: "4"

> +# @zeroed-grain Whether to enable zeroed-grain feature for sparse subformats.
> +#               Default: false.
> +#
> +# Since: 2.13
> +##
> +{ 'struct': 'BlockdevCreateOptionsVmdk',
> +  'data': { 'file':             'BlockdevRef',
> +            'size':             'size',
> +            '*extents':          ['BlockdevRef'],
> +            '*subformat':       'BlockdevVmdkSubformat',
> +            '*backing-file':    'str',
> +            '*adapter-type':    'BlockdevVmdkAdapterType',
> +            '*hwversion':       'str',
> +            '*zeroed-grain':    'bool' } }
> +
> +
>  ##
>  # @SheepdogRedundancyType:
>  #
> @@ -4078,7 +4143,7 @@
>        'throttle':       'BlockdevCreateNotSupported',
>        'vdi':            'BlockdevCreateOptionsVdi',
>        'vhdx':           'BlockdevCreateOptionsVhdx',
> -      'vmdk':           'BlockdevCreateNotSupported',
> +      'vmdk':           'BlockdevCreateOptionsVmdk',
>        'vpc':            'BlockdevCreateOptionsVpc',
>        'vvfat':          'BlockdevCreateNotSupported',
>        'vxhs':           'BlockdevCreateNotSupported'

Re: [Qemu-devel] [PATCH 3/5] vmdk: Implement .bdrv_co_create callback

[Fam Zheng]

On Wed, 05/09 14:41, Markus Armbruster wrote:
> Beware, I'm only looking at QAPI-related aspects.
> 
> Fam Zheng <famz@redhat.com> writes:
> 
> > This makes VMDK support x-blockdev-create. The implementation reuses the
> > image creation code in vmdk_co_create_opts which now acceptes a callback
> > pointer to "retrieve" BlockBackend pointers from the caller. This way we
> > separate the logic between file/extent acquisition and initialization.
> >
> > The QAPI command parameters are mostly the same as the old create_opts
> > except the dropped legacy @compat6 switch, which is redundant with
> > @hwversion.
> >
> > Signed-off-by: Fam Zheng <famz@redhat.com>
> > ---
> >  block/vmdk.c         | 481 +++++++++++++++++++++++++++++++++++++--------------
> >  qapi/block-core.json |  67 ++++++-
> >  2 files changed, 418 insertions(+), 130 deletions(-)
> >
> > diff --git a/block/vmdk.c b/block/vmdk.c
> > index 083942f806..e16b04e26a 100644
> > --- a/block/vmdk.c
> > +++ b/block/vmdk.c
> > @@ -1905,38 +1905,87 @@ static int filename_decompose(const char *filename, char *path, char *prefix,
> >      return VMDK_OK;
> >  }
> >  
> > -static int coroutine_fn vmdk_co_create_opts(const char *filename, QemuOpts *opts,
> > -                                            Error **errp)
> > +/* Stringify BlockdevVmdkSubformat enum in the faimiliar camelCase. */
> > +static const char *vmdk_subformat_str(BlockdevVmdkSubformat subformat)
> >  {
> > -    int idx = 0;
> > -    BlockBackend *new_blk = NULL;
> > +    switch (subformat) {
> > +    case BLOCKDEV_VMDK_SUBFORMAT_MONOLITHICSPARSE:
> > +        return "monolithicSparse";
> > +    case BLOCKDEV_VMDK_SUBFORMAT_MONOLITHICFLAT:
> > +        return "monolithicFlat";
> > +    case BLOCKDEV_VMDK_SUBFORMAT_TWOGBMAXEXTENTFLAT:
> > +        return "twoGbMaxExtentFlat";
> > +    case BLOCKDEV_VMDK_SUBFORMAT_TWOGBMAXEXTENTSPARSE:
> > +        return "twoGbMaxExtentSparse";
> > +    case BLOCKDEV_VMDK_SUBFORMAT_STREAMOPTIMIZED:
> > +        return "streamOptimized";
> > +    default:
> > +        abort();
> > +    }
> > +}
> 
> I'd use an array instead of a switch.
> 
> The standard mapping from enum FOO to string is FOO_lookup[], commonly
> used via qapi_enum_lookup().
> 
> vmdk_subformat_str() differs from BlockdevVmdkSubformat_lookup[] only in
> case: the former is CamelCase ("monolithicSparse"), the latter is all
> lower case (like "monolithicsparse"), because that's how it's spelled in
> the QAPI schema.  By the way, QAPI naming conventions ask for hyphens,
> like "monolithic-sparse".
> 
> Why do you need CamelCase?  Is it for an existing external interface?
> 
> If yes, should we use CamelCase in the schema?
> 
> Should we use hyphens, and have this function map hyphen followed by
> lower case letter to upper case letter?

"streamOptimized" is the exact style as spelled in the VMDK spec:

https://www.vmware.com/support/developer/vddk/vmdk_50_technote.pdf

so I want to stay as close as possible to it. In other words lower case
"monolithicsparse" feels a bit better than hyphens "monolithic-sparse" in the
QAPI interface.

> 
> > +
> > +/*
> > + * idx == 0: get or create the descriptor file (also the image file if in a
> > + *           non-split format.
> > + * idx >= 1: get the n-th extent if in a split subformat
> > + */
> > +typedef BlockBackend *(*vmdk_create_extent_fn)(int64_t size,
> > +                                               int idx,
> > +                                               bool flat,
> > +                                               bool split,
> > +                                               bool compress,
> > +                                               bool zeroed_grain,
> > +                                               void *opaque,
> > +                                               Error **errp);
> > +
> > +static void vmdk_desc_add_extent(GString *desc,
> > +                                 const char *extent_line_fmt,
> > +                                 int64_t size, const char *filename)
> > +{
> > +    char *desc_line = g_malloc0(BUF_SIZE);
> > +    const char *basename = strrchr(filename, '/');
> 
> Blank line between declarations and statements, if you don't mind.

OK!

> 
> > +    if (!basename) {
> > +        basename = filename;
> > +    } else {
> > +        basename += 1;
> > +    }
> 
> g_path_get_basename()?

Good suggestion, thanks!

> 
> > +    snprintf(desc_line, BUF_SIZE, extent_line_fmt,
> > +             DIV_ROUND_UP(size, BDRV_SECTOR_SIZE),
> > +             basename);
> > +    g_string_append(desc, desc_line);
> > +    g_free(desc_line);
> 
> g_string_append_printf()?

Yes!

> 
> > +}
> > +
> > +static int coroutine_fn vmdk_co_do_create(int64_t size,
> > +                                          BlockdevVmdkSubformat subformat,
> > +                                          BlockdevVmdkAdapterType adapter_type,
> > +                                          const char *backing_file,
> > +                                          const char *hw_version,
> > +                                          bool compat6,
> > +                                          bool zeroed_grain,
> > +                                          vmdk_create_extent_fn extent_fn,
> > +                                          void *opaque,
> > +                                          Error **errp)
> > +{
> > +    int extent_idx;
> > +    BlockBackend *blk;
> >      Error *local_err = NULL;
> >      char *desc = NULL;
> > -    int64_t total_size = 0, filesize;
> > -    char *adapter_type = NULL;
> > -    char *backing_file = NULL;
> > -    char *hw_version = NULL;
> > -    char *fmt = NULL;
> >      int ret = 0;
> >      bool flat, split, compress;
> >      GString *ext_desc_lines;
> > -    char *path = g_malloc0(PATH_MAX);
> > -    char *prefix = g_malloc0(PATH_MAX);
> > -    char *postfix = g_malloc0(PATH_MAX);
> > -    char *desc_line = g_malloc0(BUF_SIZE);
> > -    char *ext_filename = g_malloc0(PATH_MAX);
> > -    char *desc_filename = g_malloc0(PATH_MAX);
> >      const int64_t split_size = 0x80000000;  /* VMDK has constant split size */
> > -    const char *desc_extent_line;
> > +    int64_t extent_size;
> > +    int64_t created_size = 0;
> > +    const char *extent_line_fmt;
> >      char *parent_desc_line = g_malloc0(BUF_SIZE);
> >      uint32_t parent_cid = 0xffffffff;
> >      uint32_t number_heads = 16;
> > -    bool zeroed_grain = false;
> >      uint32_t desc_offset = 0, desc_len;
> >      const char desc_template[] =
> >          "# Disk DescriptorFile\n"
> >          "version=1\n"
> > -        "CID=%" PRIx32 "\n"
> > +        "CID=%08" PRIx32 "\n"
> 
> How is this change related to the patch's purpose?

It's unrelated. I forgot to remove it after testing: unifying the CID print
length helps hexdump based compare of monolithicSparse headers.

> 
> >          "parentCID=%" PRIx32 "\n"
> >          "createType=\"%s\"\n"
> >          "%s"
> > @@ -1955,71 +2004,35 @@ static int coroutine_fn vmdk_co_create_opts(const char *filename, QemuOpts *opts
> >  
> >      ext_desc_lines = g_string_new(NULL);
> >  
> > -    if (filename_decompose(filename, path, prefix, postfix, PATH_MAX, errp)) {
> > -        ret = -EINVAL;
> > -        goto exit;
> > -    }
> >      /* Read out options */
> > -    total_size = ROUND_UP(qemu_opt_get_size_del(opts, BLOCK_OPT_SIZE, 0),
> > -                          BDRV_SECTOR_SIZE);
> > -    adapter_type = qemu_opt_get_del(opts, BLOCK_OPT_ADAPTER_TYPE);
> > -    backing_file = qemu_opt_get_del(opts, BLOCK_OPT_BACKING_FILE);
> > -    hw_version = qemu_opt_get_del(opts, BLOCK_OPT_HWVERSION);
> > -    if (qemu_opt_get_bool_del(opts, BLOCK_OPT_COMPAT6, false)) {
> > -        if (strcmp(hw_version, "undefined")) {
> > +    if (compat6) {
> > +        if (hw_version) {
> >              error_setg(errp,
> >                         "compat6 cannot be enabled with hwversion set");
> >              ret = -EINVAL;
> >              goto exit;
> >          }
> > -        g_free(hw_version);
> > -        hw_version = g_strdup("6");
> > +        hw_version = "6";
> >      }
> > -    if (strcmp(hw_version, "undefined") == 0) {
> > -        g_free(hw_version);
> > -        hw_version = g_strdup("4");
> > -    }
> > -    fmt = qemu_opt_get_del(opts, BLOCK_OPT_SUBFMT);
> > -    if (qemu_opt_get_bool_del(opts, BLOCK_OPT_ZEROED_GRAIN, false)) {
> > -        zeroed_grain = true;
> > +    if (!hw_version) {
> > +        hw_version = "4";
> >      }
> >  
> > -    if (!adapter_type) {
> > -        adapter_type = g_strdup("ide");
> > -    } else if (strcmp(adapter_type, "ide") &&
> > -               strcmp(adapter_type, "buslogic") &&
> > -               strcmp(adapter_type, "lsilogic") &&
> > -               strcmp(adapter_type, "legacyESX")) {
> > -        error_setg(errp, "Unknown adapter type: '%s'", adapter_type);
> > -        ret = -EINVAL;
> > -        goto exit;
> > -    }
> > -    if (strcmp(adapter_type, "ide") != 0) {
> > +    if (adapter_type != BLOCKDEV_VMDK_ADAPTER_TYPE_IDE) {
> >          /* that's the number of heads with which vmware operates when
> >             creating, exporting, etc. vmdk files with a non-ide adapter type */
> >          number_heads = 255;
> >      }
> > -    if (!fmt) {
> > -        /* Default format to monolithicSparse */
> > -        fmt = g_strdup("monolithicSparse");
> > -    } else if (strcmp(fmt, "monolithicFlat") &&
> > -               strcmp(fmt, "monolithicSparse") &&
> > -               strcmp(fmt, "twoGbMaxExtentSparse") &&
> > -               strcmp(fmt, "twoGbMaxExtentFlat") &&
> > -               strcmp(fmt, "streamOptimized")) {
> > -        error_setg(errp, "Unknown subformat: '%s'", fmt);
> > -        ret = -EINVAL;
> > -        goto exit;
> > -    }
> > -    split = !(strcmp(fmt, "twoGbMaxExtentFlat") &&
> > -              strcmp(fmt, "twoGbMaxExtentSparse"));
> > -    flat = !(strcmp(fmt, "monolithicFlat") &&
> > -             strcmp(fmt, "twoGbMaxExtentFlat"));
> > -    compress = !strcmp(fmt, "streamOptimized");
> > +    split = (subformat == BLOCKDEV_VMDK_SUBFORMAT_TWOGBMAXEXTENTFLAT) ||
> > +            (subformat == BLOCKDEV_VMDK_SUBFORMAT_TWOGBMAXEXTENTSPARSE);
> > +    flat = (subformat == BLOCKDEV_VMDK_SUBFORMAT_MONOLITHICFLAT) ||
> > +           (subformat == BLOCKDEV_VMDK_SUBFORMAT_TWOGBMAXEXTENTFLAT);
> > +    compress = subformat == BLOCKDEV_VMDK_SUBFORMAT_STREAMOPTIMIZED;
> > +
> >      if (flat) {
> > -        desc_extent_line = "RW %" PRId64 " FLAT \"%s\" 0\n";
> > +        extent_line_fmt = "RW %" PRId64 " FLAT \"%s\" 0\n";
> >      } else {
> > -        desc_extent_line = "RW %" PRId64 " SPARSE \"%s\"\n";
> > +        extent_line_fmt = "RW %" PRId64 " SPARSE \"%s\"\n";
> >      }
> >      if (flat && backing_file) {
> >          error_setg(errp, "Flat image can't have backing file");
> > @@ -2031,10 +2044,34 @@ static int coroutine_fn vmdk_co_create_opts(const char *filename, QemuOpts *opts
> >          ret = -ENOTSUP;
> >          goto exit;
> >      }
> > +
> > +    /* Create extents */
> > +    if (split) {
> > +        extent_size = split_size;
> > +    } else {
> > +        extent_size = size;
> > +    }
> > +    if (!split && !flat) {
> > +        created_size = extent_size;
> > +    } else {
> > +        created_size = 0;
> > +    }
> > +    /* Get the descriptor file BDS */
> > +    blk = extent_fn(created_size, 0, flat, split, compress, zeroed_grain,
> > +                    opaque, errp);
> > +    if (!blk) {
> > +        ret = -EIO;
> > +        goto exit;
> > +    }
> > +    if (!split && !flat) {
> > +        vmdk_desc_add_extent(ext_desc_lines, extent_line_fmt, created_size,
> > +                             blk_bs(blk)->filename);
> > +    }
> > +
> >      if (backing_file) {
> > -        BlockBackend *blk;
> > +        BlockBackend *backing;
> >          char *full_backing = g_new0(char, PATH_MAX);
> > -        bdrv_get_full_backing_filename_from_filename(filename, backing_file,
> > +        bdrv_get_full_backing_filename_from_filename(blk_bs(blk)->filename, backing_file,
> >                                                       full_backing, PATH_MAX,
> >                                                       &local_err);
> >          if (local_err) {
> > @@ -2044,93 +2081,65 @@ static int coroutine_fn vmdk_co_create_opts(const char *filename, QemuOpts *opts
> >              goto exit;
> >          }
> >  
> > -        blk = blk_new_open(full_backing, NULL, NULL,
> > -                           BDRV_O_NO_BACKING, errp);
> > +        backing = blk_new_open(full_backing, NULL, NULL,
> > +                               BDRV_O_NO_BACKING, errp);
> >          g_free(full_backing);
> > -        if (blk == NULL) {
> > +        if (backing == NULL) {
> >              ret = -EIO;
> >              goto exit;
> >          }
> > -        if (strcmp(blk_bs(blk)->drv->format_name, "vmdk")) {
> > -            blk_unref(blk);
> > +        if (strcmp(blk_bs(backing)->drv->format_name, "vmdk")) {
> > +            error_setg(errp, "Invalid backing file format: %s. Must be vmdk",
> > +                       blk_bs(backing)->drv->format_name);
> > +            blk_unref(backing);
> >              ret = -EINVAL;
> >              goto exit;
> >          }
> > -        ret = vmdk_read_cid(blk_bs(blk), 0, &parent_cid);
> > -        blk_unref(blk);
> > +        ret = vmdk_read_cid(blk_bs(backing), 0, &parent_cid);
> > +        blk_unref(backing);
> >          if (ret) {
> > +            error_setg(errp, "Failed to read parent CID");
> >              goto exit;
> >          }
> >          snprintf(parent_desc_line, BUF_SIZE,
> >                  "parentFileNameHint=\"%s\"", backing_file);
> >      }
> > -
> > -    /* Create extents */
> > -    filesize = total_size;
> > -    while (filesize > 0) {
> > -        int64_t size = filesize;
> > -
> > -        if (split && size > split_size) {
> > -            size = split_size;
> > -        }
> > -        if (split) {
> > -            snprintf(desc_filename, PATH_MAX, "%s-%c%03d%s",
> > -                    prefix, flat ? 'f' : 's', ++idx, postfix);
> > -        } else if (flat) {
> > -            snprintf(desc_filename, PATH_MAX, "%s-flat%s", prefix, postfix);
> > -        } else {
> > -            snprintf(desc_filename, PATH_MAX, "%s%s", prefix, postfix);
> > -        }
> > -        snprintf(ext_filename, PATH_MAX, "%s%s", path, desc_filename);
> > -
> > -        if (vmdk_create_extent(ext_filename, size,
> > -                               flat, compress, zeroed_grain, NULL, opts, errp)) {
> > +    extent_idx = 1;
> > +    while (created_size < size) {
> > +        BlockBackend *extent_blk;
> > +        int64_t cur_size = MIN(size - created_size, extent_size);
> > +        extent_blk = extent_fn(cur_size, extent_idx, flat, split, compress,
> > +                               zeroed_grain, opaque, errp);
> > +        if (!extent_blk) {
> >              ret = -EINVAL;
> >              goto exit;
> >          }
> > -        filesize -= size;
> > -
> > -        /* Format description line */
> > -        snprintf(desc_line, BUF_SIZE,
> > -                    desc_extent_line, size / BDRV_SECTOR_SIZE, desc_filename);
> > -        g_string_append(ext_desc_lines, desc_line);
> > +        vmdk_desc_add_extent(ext_desc_lines, extent_line_fmt, cur_size,
> > +                             blk_bs(extent_blk)->filename);
> > +        created_size += cur_size;
> > +        extent_idx++;
> > +        blk_unref(extent_blk);
> >      }
> >      /* generate descriptor file */
> >      desc = g_strdup_printf(desc_template,
> >                             g_random_int(),
> >                             parent_cid,
> > -                           fmt,
> > +                           vmdk_subformat_str(subformat),
> >                             parent_desc_line,
> >                             ext_desc_lines->str,
> >                             hw_version,
> > -                           total_size /
> > +                           size /
> >                                 (int64_t)(63 * number_heads * BDRV_SECTOR_SIZE),
> >                             number_heads,
> > -                           adapter_type);
> > +                           qapi_enum_lookup(&BlockdevVmdkAdapterType_lookup,
> > +                                            adapter_type));
> >      desc_len = strlen(desc);
> >      /* the descriptor offset = 0x200 */
> >      if (!split && !flat) {
> >          desc_offset = 0x200;
> > -    } else {
> > -        ret = bdrv_create_file(filename, opts, &local_err);
> > -        if (ret < 0) {
> > -            error_propagate(errp, local_err);
> > -            goto exit;
> > -        }
> >      }
> >  
> > -    new_blk = blk_new_open(filename, NULL, NULL,
> > -                           BDRV_O_RDWR | BDRV_O_RESIZE | BDRV_O_PROTOCOL,
> > -                           &local_err);
> > -    if (new_blk == NULL) {
> > -        error_propagate(errp, local_err);
> > -        ret = -EIO;
> > -        goto exit;
> > -    }
> > -
> > -    blk_set_allow_write_beyond_eof(new_blk, true);
> > -
> > -    ret = blk_pwrite(new_blk, desc_offset, desc, desc_len, 0);
> > +    ret = blk_pwrite(blk, desc_offset, desc, desc_len, 0);
> >      if (ret < 0) {
> >          error_setg_errno(errp, -ret, "Could not write description");
> >          goto exit;
> > @@ -2138,12 +2147,148 @@ static int coroutine_fn vmdk_co_create_opts(const char *filename, QemuOpts *opts
> >      /* bdrv_pwrite write padding zeros to align to sector, we don't need that
> >       * for description file */
> >      if (desc_offset == 0) {
> > -        ret = blk_truncate(new_blk, desc_len, PREALLOC_MODE_OFF, errp);
> > +        ret = blk_truncate(blk, desc_len, PREALLOC_MODE_OFF, errp);
> >      }
> >  exit:
> > -    if (new_blk) {
> > -        blk_unref(new_blk);
> > +    if (blk) {
> > +        blk_unref(blk);
> >      }
> > +    g_free(desc);
> > +    g_free(parent_desc_line);
> > +    g_string_free(ext_desc_lines, true);
> > +    return ret;
> > +}
> > +
> > +typedef struct {
> > +    char *path;
> > +    char *prefix;
> > +    char *postfix;
> > +    QemuOpts *opts;
> > +} VMDKCreateOptsData;
> > +
> > +static BlockBackend *vmdk_co_create_opts_cb(int64_t size, int idx,
> > +                                            bool flat, bool split, bool compress,
> > +                                            bool zeroed_grain, void *opaque,
> > +                                            Error **errp)
> > +{
> > +    BlockBackend *blk = NULL;
> > +    BlockDriverState *bs = NULL;
> > +    VMDKCreateOptsData *data = opaque;
> > +    char *ext_filename = NULL;
> > +    char *rel_filename = NULL;
> > +
> > +    if (idx == 0) {
> > +        rel_filename = g_strdup_printf("%s%s", data->prefix, data->postfix);
> > +    } else if (split) {
> > +        rel_filename = g_strdup_printf("%s-%c%03d%s",
> > +                                       data->prefix,
> > +                                       flat ? 'f' : 's', idx, data->postfix);
> > +    } else {
> > +        assert(idx == 1);
> > +        rel_filename = g_strdup_printf("%s-flat%s", data->prefix, data->postfix);
> > +    }
> > +
> > +    ext_filename = g_strdup_printf("%s%s", data->path, rel_filename);
> > +    g_free(rel_filename);
> > +
> > +    if (vmdk_create_extent(ext_filename, size,
> > +                           flat, compress, zeroed_grain, &blk, data->opts,
> > +                           errp)) {
> > +        goto exit;
> > +    }
> > +    bdrv_unref(bs);
> > +exit:
> > +    g_free(ext_filename);
> > +    return blk;
> > +}
> > +
> > +static int coroutine_fn vmdk_co_create_opts(const char *filename, QemuOpts *opts,
> > +                                            Error **errp)
> > +{
> > +    Error *local_err = NULL;
> > +    char *desc = NULL;
> > +    int64_t total_size = 0;
> > +    char *adapter_type = NULL;
> > +    BlockdevVmdkAdapterType adapter_type_enum;
> > +    char *backing_file = NULL;
> > +    char *hw_version = NULL;
> > +    char *fmt = NULL;
> > +    BlockdevVmdkSubformat subformat;
> > +    int ret = 0;
> > +    char *path = g_malloc0(PATH_MAX);
> > +    char *prefix = g_malloc0(PATH_MAX);
> > +    char *postfix = g_malloc0(PATH_MAX);
> > +    char *desc_line = g_malloc0(BUF_SIZE);
> > +    char *ext_filename = g_malloc0(PATH_MAX);
> > +    char *desc_filename = g_malloc0(PATH_MAX);
> > +    char *parent_desc_line = g_malloc0(BUF_SIZE);
> > +    bool zeroed_grain;
> > +    bool compat6;
> > +    int i;
> > +    VMDKCreateOptsData data;
> > +
> > +    if (filename_decompose(filename, path, prefix, postfix, PATH_MAX, errp)) {
> > +        ret = -EINVAL;
> > +        goto exit;
> > +    }
> > +    /* Read out options */
> > +    total_size = ROUND_UP(qemu_opt_get_size_del(opts, BLOCK_OPT_SIZE, 0),
> > +                          BDRV_SECTOR_SIZE);
> > +    adapter_type = qemu_opt_get_del(opts, BLOCK_OPT_ADAPTER_TYPE);
> > +    backing_file = qemu_opt_get_del(opts, BLOCK_OPT_BACKING_FILE);
> > +    hw_version = qemu_opt_get_del(opts, BLOCK_OPT_HWVERSION);
> > +    compat6 = qemu_opt_get_bool_del(opts, BLOCK_OPT_COMPAT6, false);
> > +    if (strcmp(hw_version, "undefined") == 0) {
> > +        g_free(hw_version);
> > +        hw_version = g_strdup("4");
> > +    }
> > +    fmt = qemu_opt_get_del(opts, BLOCK_OPT_SUBFMT);
> > +    zeroed_grain = qemu_opt_get_bool_del(opts, BLOCK_OPT_ZEROED_GRAIN, false);
> > +
> > +    if (adapter_type) {
> > +        for (i = 0; i < strlen(adapter_type); ++i) {
> > +            adapter_type[i] = qemu_tolower(adapter_type[i]);
> > +        }
> 
> First, you convert to lower cases, and then...
> 
> > +        adapter_type_enum = qapi_enum_parse_full(&BlockdevVmdkAdapterType_lookup,
> > +                                                 adapter_type,
> > +                                                 BLOCKDEV_VMDK_ADAPTER_TYPE_IDE,
> > +                                                 true,
> > +                                                 &local_err);
> 
> ... you parse case-insensitive.  Huh?

I forgot to update this one after adding the qapi_enum_parse_full patch.

> 
> Which spellings did the old code accept?  As far as I can tell, exactly
> "ide", "lsilogic", "buslogic", "legacyESX".  Are you sure we should
> ignore case going forward?

So this comes to the same point as subformat: could QAPI do camelCase as in
"monolithicSparse" and "legacyESX"?

> 
> > +        if (local_err) {
> > +            error_propagate(errp, local_err);
> > +            ret = -EINVAL;
> > +            goto exit;
> > +        }
> > +    } else {
> > +        adapter_type_enum = BLOCKDEV_VMDK_ADAPTER_TYPE_IDE;
> > +    }
> > +
> > +    if (!fmt) {
> > +        /* Default format to monolithicSparse */
> > +        subformat = BLOCKDEV_VMDK_SUBFORMAT_MONOLITHICSPARSE;
> > +    } else {
> > +        subformat = qapi_enum_parse_full(&BlockdevVmdkSubformat_lookup,
> > +                                         fmt,
> > +                                         BLOCKDEV_VMDK_SUBFORMAT_MONOLITHICSPARSE,
> > +                                         true,
> > +                                         &local_err);
> > +        if (local_err) {
> > +            error_propagate(errp, local_err);
> > +            ret = -EINVAL;
> > +            goto exit;
> > +        }
> 
> Likewise: should we ignore case going forward?  The old code appears to
> accept exactly "monolithicFlat", "monolithicSparse",
> "twoGbMaxExtentSparse", "twoGbMaxExtentFlat", "streamOptimized".
> 
> > +    }
> > +    data = (VMDKCreateOptsData){
> > +        .prefix = prefix,
> > +        .postfix = postfix,
> > +        .path = path,
> > +        .opts = opts,
> > +    };
> > +    ret = vmdk_co_do_create(total_size, subformat, adapter_type_enum,
> > +                            backing_file, hw_version, compat6, zeroed_grain,
> > +                            vmdk_co_create_opts_cb, &data, errp);
> > +
> > +exit:
> >      g_free(adapter_type);
> >      g_free(backing_file);
> >      g_free(hw_version);
> > @@ -2156,7 +2301,84 @@ exit:
> >      g_free(ext_filename);
> >      g_free(desc_filename);
> >      g_free(parent_desc_line);
> > -    g_string_free(ext_desc_lines, true);
> > +    return ret;
> > +}
> > +
> > +static BlockBackend *vmdk_co_create_cb(int64_t size, int idx,
> > +                                       bool flat, bool split, bool compress,
> > +                                       bool zeroed_grain, void *opaque,
> > +                                       Error **errp)
> > +{
> > +    int ret;
> > +    BlockDriverState *bs;
> > +    BlockBackend *blk;
> > +    BlockdevCreateOptionsVmdk *opts = opaque;
> > +
> > +    if (idx == 0) {
> > +        bs = bdrv_open_blockdev_ref(opts->file, errp);
> > +    } else {
> > +        int i;
> > +        BlockdevRefList *list = opts->extents;
> > +        for (i = 1; i < idx; i++) {
> > +            if (!list || !list->next) {
> > +                error_setg(errp, "Extent [%d] not specified", i);
> > +                return NULL;
> > +            }
> > +            list = list->next;
> > +        }
> > +        if (!list) {
> > +            error_setg(errp, "Extent [%d] not specified", idx - 1);
> > +            return NULL;
> > +        }
> > +        bs = bdrv_open_blockdev_ref(list->value, errp);
> > +    }
> > +    if (!bs) {
> > +        return NULL;
> > +    }
> > +    blk = blk_new(BLK_PERM_CONSISTENT_READ | BLK_PERM_WRITE | BLK_PERM_RESIZE,
> > +                  BLK_PERM_ALL);
> > +    if (blk_insert_bs(blk, bs, errp)) {
> > +        bdrv_unref(bs);
> > +        return NULL;
> > +    }
> > +    blk_set_allow_write_beyond_eof(blk, true);
> > +    bdrv_unref(bs);
> > +
> > +    ret = vmdk_init_extent(blk, size, flat, compress, zeroed_grain, errp);
> > +    if (ret) {
> > +        blk_unref(blk);
> > +        blk = NULL;
> > +    }
> > +    return blk;
> > +}
> > +
> > +static int coroutine_fn vmdk_co_create(BlockdevCreateOptions *create_options,
> > +                                       Error **errp)
> > +{
> > +    int ret;
> > +    BlockdevCreateOptionsVmdk *opts;
> > +
> > +    opts = &create_options->u.vmdk;
> > +
> > +    /* Validate options */
> > +    if (!QEMU_IS_ALIGNED(opts->size, BDRV_SECTOR_SIZE)) {
> > +        error_setg(errp, "Image size must be a multiple of 512 bytes");
> > +        ret = -EINVAL;
> > +        goto out;
> > +    }
> > +
> > +    ret = vmdk_co_do_create(opts->size,
> > +                            opts->subformat,
> > +                            opts->adapter_type,
> > +                            opts->backing_file,
> > +                            opts->hwversion,
> > +                            false,
> > +                            opts->zeroed_grain,
> > +                            vmdk_co_create_cb,
> > +                            opts, errp);
> > +    return ret;
> > +
> > +out:
> >      return ret;
> >  }
> >  
> > @@ -2424,6 +2646,7 @@ static BlockDriver bdrv_vmdk = {
> >      .bdrv_co_pwrite_zeroes        = vmdk_co_pwrite_zeroes,
> >      .bdrv_close                   = vmdk_close,
> >      .bdrv_co_create_opts          = vmdk_co_create_opts,
> > +    .bdrv_co_create               = vmdk_co_create,
> >      .bdrv_co_flush_to_disk        = vmdk_co_flush,
> >      .bdrv_co_block_status         = vmdk_co_block_status,
> >      .bdrv_get_allocated_file_size = vmdk_get_allocated_file_size,
> > diff --git a/qapi/block-core.json b/qapi/block-core.json
> > index c50517bff3..df3903b54d 100644
> > --- a/qapi/block-core.json
> > +++ b/qapi/block-core.json
> > @@ -3855,6 +3855,71 @@
> >              'size':             'size',
> >              '*cluster-size' :   'size' } }
> >  
> > +##
> > +# @BlockdevVmdkSubformat:
> > +#
> > +# Subformat options for VMDK images
> > +#
> > +# @monolithicsparse: Single file image with sparse cluster allocation
> > +# @monolithicflat: Single flat data image and a descriptor file
> > +# @twogbmaxextentsparse: Data is split into 2GB (per virtual LBA) sparse extent
> > +#                        files, in addition to a descriptor file
> > +# @twogbmaxextentflat: Data is split into 2GB (per virtual LBA) flat extent
> > +#                        files, in addition to a descriptor file
> > +# @streamoptimized: Single file image sparse cluster allocation, optimized for
> > +#                   streaming over network.
> > +#
> > +# Since: 2.13
> > +##
> > +{ 'enum': 'BlockdevVmdkSubformat',
> > +  'data': [ 'monolithicsparse', 'monolithicflat', 'twogbmaxextentsparse',
> > +            'twogbmaxextentflat', 'streamoptimized'] }
> 
> alllowercasewithoutspacesisevenlesslegiblethanCamelCase.
> THE RESULTING C IDENTIFIERS ARE ALL CAPS WITHOUT SPACES WHICH IS EVEN WORSE.
> 
> QAPI conventions ask for monolithic-sparse, monolithic-flat,
> two-gb-max-extent-sparse and so forth.  Results in C enum identifiers
> BLOCKDEV_VMDK_SUBFORMAT_MONOLITHIC_SPARSE,
> BLOCKDEV_VMDK_SUBFORMAT_MONOLITHIC_FLAT,
> BLOCKDEV_VMDK_SUBFORMAT_TWO_GB_MAX_EXTENT_SPARSE, ...
> 
> The existing external interface appears to ask for monolithicFlat,
> monolithicSparse, twoGbMaxExtentSparse, ...  What's the best way to map
> between these guys and a QAPI enum?

It would be best if we can stick to monolithicSparse everywhere. Can we?

> 
> > +
> > +##
> > +# @BlockdevVmdkAdapterType:
> > +#
> > +# Adapter type info for VMDK images
> > +#
> > +# Since: 2.13
> > +##
> > +{ 'enum': 'BlockdevVmdkAdapterType',
> > +  'data': [ 'ide', 'buslogic', 'lsilogic', 'legacyesx'] }
> > +
> > +##
> > +# @BlockdevCreateOptionsVmdk:
> > +#
> > +# Driver specific image creation options for VMDK.
> > +#
> > +# @file         Where to store the new image file. This refers to the image
> > +#               file for monolithcSparse and streamOptimized format, or the
> > +#               descriptor file for other formats.
> > +# @size         Size of the virtual disk in bytes
> > +# @extents      Where to store the data extents. Required for monolithcflat,
> > +#               twoGbMaxExtentSparse and twoGbMaxExtentFlat formats. For
> > +#               monolithicflat, only one entry is required; for
> > +#               twoGbMaxExtent* formats, the number of entries required is
> > +#               calculated as extent_number = virtual_size / 2GB.
> > +# @subformat    The subformat of the VMDK image. Default: "monolithicsparse".
> > +# @backing-file The path of backing file. Default: no backing file is used.
> > +# @adapter-type The adapter type used to fill in the descriptor. Default: ide.
> > +# @hwversion    Hardware version. The meaningful options are "4" or "6".
> 
> Okay, these are the meaningfull options.  What are the meaningless ones?

I don't know. Historically we've used '3', I have never seen '5'. VMware
articles mention '7' [1]. This is not documented anywhere, so I'm only
listing what has been used by QEMU.

[1]: https://kb.vmware.com/s/article/1026254

> 
> > +#               Defaulted to "4".
> 
> More common phrasings are
> 
>     Default is "4"
>     Defaults to "4"
>     Default: "4"

OK.

> 
> > +# @zeroed-grain Whether to enable zeroed-grain feature for sparse subformats.
> > +#               Default: false.
> > +#
> > +# Since: 2.13
> > +##
> > +{ 'struct': 'BlockdevCreateOptionsVmdk',
> > +  'data': { 'file':             'BlockdevRef',
> > +            'size':             'size',
> > +            '*extents':          ['BlockdevRef'],
> > +            '*subformat':       'BlockdevVmdkSubformat',
> > +            '*backing-file':    'str',
> > +            '*adapter-type':    'BlockdevVmdkAdapterType',
> > +            '*hwversion':       'str',
> > +            '*zeroed-grain':    'bool' } }
> > +
> > +
> >  ##
> >  # @SheepdogRedundancyType:
> >  #
> > @@ -4078,7 +4143,7 @@
> >        'throttle':       'BlockdevCreateNotSupported',
> >        'vdi':            'BlockdevCreateOptionsVdi',
> >        'vhdx':           'BlockdevCreateOptionsVhdx',
> > -      'vmdk':           'BlockdevCreateNotSupported',
> > +      'vmdk':           'BlockdevCreateOptionsVmdk',
> >        'vpc':            'BlockdevCreateOptionsVpc',
> >        'vvfat':          'BlockdevCreateNotSupported',
> >        'vxhs':           'BlockdevCreateNotSupported'

Fam

Re: [Qemu-devel] [PATCH 3/5] vmdk: Implement .bdrv_co_create callback

[Markus Armbruster]

Fam Zheng <famz@redhat.com> writes:

> On Wed, 05/09 14:41, Markus Armbruster wrote:
>> Beware, I'm only looking at QAPI-related aspects.
>> 
>> Fam Zheng <famz@redhat.com> writes:
>> 
>> > This makes VMDK support x-blockdev-create. The implementation reuses the
>> > image creation code in vmdk_co_create_opts which now acceptes a callback
>> > pointer to "retrieve" BlockBackend pointers from the caller. This way we
>> > separate the logic between file/extent acquisition and initialization.
>> >
>> > The QAPI command parameters are mostly the same as the old create_opts
>> > except the dropped legacy @compat6 switch, which is redundant with
>> > @hwversion.
>> >
>> > Signed-off-by: Fam Zheng <famz@redhat.com>
>> > ---
>> >  block/vmdk.c         | 481 +++++++++++++++++++++++++++++++++++++--------------
>> >  qapi/block-core.json |  67 ++++++-
>> >  2 files changed, 418 insertions(+), 130 deletions(-)
>> >
>> > diff --git a/block/vmdk.c b/block/vmdk.c
>> > index 083942f806..e16b04e26a 100644
>> > --- a/block/vmdk.c
>> > +++ b/block/vmdk.c
>> > @@ -1905,38 +1905,87 @@ static int filename_decompose(const char *filename, char *path, char *prefix,
>> >      return VMDK_OK;
>> >  }
>> >  
>> > -static int coroutine_fn vmdk_co_create_opts(const char *filename, QemuOpts *opts,
>> > -                                            Error **errp)
>> > +/* Stringify BlockdevVmdkSubformat enum in the faimiliar camelCase. */
>> > +static const char *vmdk_subformat_str(BlockdevVmdkSubformat subformat)
>> >  {
>> > -    int idx = 0;
>> > -    BlockBackend *new_blk = NULL;
>> > +    switch (subformat) {
>> > +    case BLOCKDEV_VMDK_SUBFORMAT_MONOLITHICSPARSE:
>> > +        return "monolithicSparse";
>> > +    case BLOCKDEV_VMDK_SUBFORMAT_MONOLITHICFLAT:
>> > +        return "monolithicFlat";
>> > +    case BLOCKDEV_VMDK_SUBFORMAT_TWOGBMAXEXTENTFLAT:
>> > +        return "twoGbMaxExtentFlat";
>> > +    case BLOCKDEV_VMDK_SUBFORMAT_TWOGBMAXEXTENTSPARSE:
>> > +        return "twoGbMaxExtentSparse";
>> > +    case BLOCKDEV_VMDK_SUBFORMAT_STREAMOPTIMIZED:
>> > +        return "streamOptimized";
>> > +    default:
>> > +        abort();
>> > +    }
>> > +}
>> 
>> I'd use an array instead of a switch.
>> 
>> The standard mapping from enum FOO to string is FOO_lookup[], commonly
>> used via qapi_enum_lookup().
>> 
>> vmdk_subformat_str() differs from BlockdevVmdkSubformat_lookup[] only in
>> case: the former is CamelCase ("monolithicSparse"), the latter is all
>> lower case (like "monolithicsparse"), because that's how it's spelled in
>> the QAPI schema.  By the way, QAPI naming conventions ask for hyphens,
>> like "monolithic-sparse".
>> 
>> Why do you need CamelCase?  Is it for an existing external interface?
>> 
>> If yes, should we use CamelCase in the schema?
>> 
>> Should we use hyphens, and have this function map hyphen followed by
>> lower case letter to upper case letter?
>
> "streamOptimized" is the exact style as spelled in the VMDK spec:
>
> https://www.vmware.com/support/developer/vddk/vmdk_50_technote.pdf
>
> so I want to stay as close as possible to it. In other words lower case
> "monolithicsparse" feels a bit better than hyphens "monolithic-sparse" in the
> QAPI interface.

To me it feels like a compromise that makes all parties unhappy: it
deviates from QAPI naming conventions (pain), and differs from VMDK's
spelling (for no gain: we still need extra conversion code).

>> > +
>> > +/*
>> > + * idx == 0: get or create the descriptor file (also the image file if in a
>> > + *           non-split format.
>> > + * idx >= 1: get the n-th extent if in a split subformat
>> > + */
>> > +typedef BlockBackend *(*vmdk_create_extent_fn)(int64_t size,
>> > +                                               int idx,
>> > +                                               bool flat,
>> > +                                               bool split,
>> > +                                               bool compress,
>> > +                                               bool zeroed_grain,
>> > +                                               void *opaque,
>> > +                                               Error **errp);
>> > +
>> > +static void vmdk_desc_add_extent(GString *desc,
>> > +                                 const char *extent_line_fmt,
>> > +                                 int64_t size, const char *filename)
>> > +{
>> > +    char *desc_line = g_malloc0(BUF_SIZE);
>> > +    const char *basename = strrchr(filename, '/');
>> 
>> Blank line between declarations and statements, if you don't mind.
>
> OK!
>
>> 
>> > +    if (!basename) {
>> > +        basename = filename;
>> > +    } else {
>> > +        basename += 1;
>> > +    }
>> 
>> g_path_get_basename()?
>
> Good suggestion, thanks!
>
>> 
>> > +    snprintf(desc_line, BUF_SIZE, extent_line_fmt,
>> > +             DIV_ROUND_UP(size, BDRV_SECTOR_SIZE),
>> > +             basename);
>> > +    g_string_append(desc, desc_line);
>> > +    g_free(desc_line);
>> 
>> g_string_append_printf()?
>
> Yes!
>
>> 
>> > +}
>> > +
>> > +static int coroutine_fn vmdk_co_do_create(int64_t size,
>> > +                                          BlockdevVmdkSubformat subformat,
>> > +                                          BlockdevVmdkAdapterType adapter_type,
>> > +                                          const char *backing_file,
>> > +                                          const char *hw_version,
>> > +                                          bool compat6,
>> > +                                          bool zeroed_grain,
>> > +                                          vmdk_create_extent_fn extent_fn,
>> > +                                          void *opaque,
>> > +                                          Error **errp)
>> > +{
>> > +    int extent_idx;
>> > +    BlockBackend *blk;
>> >      Error *local_err = NULL;
>> >      char *desc = NULL;
>> > -    int64_t total_size = 0, filesize;
>> > -    char *adapter_type = NULL;
>> > -    char *backing_file = NULL;
>> > -    char *hw_version = NULL;
>> > -    char *fmt = NULL;
>> >      int ret = 0;
>> >      bool flat, split, compress;
>> >      GString *ext_desc_lines;
>> > -    char *path = g_malloc0(PATH_MAX);
>> > -    char *prefix = g_malloc0(PATH_MAX);
>> > -    char *postfix = g_malloc0(PATH_MAX);
>> > -    char *desc_line = g_malloc0(BUF_SIZE);
>> > -    char *ext_filename = g_malloc0(PATH_MAX);
>> > -    char *desc_filename = g_malloc0(PATH_MAX);
>> >      const int64_t split_size = 0x80000000;  /* VMDK has constant split size */
>> > -    const char *desc_extent_line;
>> > +    int64_t extent_size;
>> > +    int64_t created_size = 0;
>> > +    const char *extent_line_fmt;
>> >      char *parent_desc_line = g_malloc0(BUF_SIZE);
>> >      uint32_t parent_cid = 0xffffffff;
>> >      uint32_t number_heads = 16;
>> > -    bool zeroed_grain = false;
>> >      uint32_t desc_offset = 0, desc_len;
>> >      const char desc_template[] =
>> >          "# Disk DescriptorFile\n"
>> >          "version=1\n"
>> > -        "CID=%" PRIx32 "\n"
>> > +        "CID=%08" PRIx32 "\n"
>> 
>> How is this change related to the patch's purpose?
>
> It's unrelated. I forgot to remove it after testing: unifying the CID print
> length helps hexdump based compare of monolithicSparse headers.
>
>> 
>> >          "parentCID=%" PRIx32 "\n"
>> >          "createType=\"%s\"\n"
>> >          "%s"
>> > @@ -1955,71 +2004,35 @@ static int coroutine_fn vmdk_co_create_opts(const char *filename, QemuOpts *opts
>> >  
>> >      ext_desc_lines = g_string_new(NULL);
>> >  
>> > -    if (filename_decompose(filename, path, prefix, postfix, PATH_MAX, errp)) {
>> > -        ret = -EINVAL;
>> > -        goto exit;
>> > -    }
>> >      /* Read out options */
>> > -    total_size = ROUND_UP(qemu_opt_get_size_del(opts, BLOCK_OPT_SIZE, 0),
>> > -                          BDRV_SECTOR_SIZE);
>> > -    adapter_type = qemu_opt_get_del(opts, BLOCK_OPT_ADAPTER_TYPE);
>> > -    backing_file = qemu_opt_get_del(opts, BLOCK_OPT_BACKING_FILE);
>> > -    hw_version = qemu_opt_get_del(opts, BLOCK_OPT_HWVERSION);
>> > -    if (qemu_opt_get_bool_del(opts, BLOCK_OPT_COMPAT6, false)) {
>> > -        if (strcmp(hw_version, "undefined")) {
>> > +    if (compat6) {
>> > +        if (hw_version) {
>> >              error_setg(errp,
>> >                         "compat6 cannot be enabled with hwversion set");
>> >              ret = -EINVAL;
>> >              goto exit;
>> >          }
>> > -        g_free(hw_version);
>> > -        hw_version = g_strdup("6");
>> > +        hw_version = "6";
>> >      }
>> > -    if (strcmp(hw_version, "undefined") == 0) {
>> > -        g_free(hw_version);
>> > -        hw_version = g_strdup("4");
>> > -    }
>> > -    fmt = qemu_opt_get_del(opts, BLOCK_OPT_SUBFMT);
>> > -    if (qemu_opt_get_bool_del(opts, BLOCK_OPT_ZEROED_GRAIN, false)) {
>> > -        zeroed_grain = true;
>> > +    if (!hw_version) {
>> > +        hw_version = "4";
>> >      }
>> >  
>> > -    if (!adapter_type) {
>> > -        adapter_type = g_strdup("ide");
>> > -    } else if (strcmp(adapter_type, "ide") &&
>> > -               strcmp(adapter_type, "buslogic") &&
>> > -               strcmp(adapter_type, "lsilogic") &&
>> > -               strcmp(adapter_type, "legacyESX")) {
>> > -        error_setg(errp, "Unknown adapter type: '%s'", adapter_type);
>> > -        ret = -EINVAL;
>> > -        goto exit;
>> > -    }
>> > -    if (strcmp(adapter_type, "ide") != 0) {
>> > +    if (adapter_type != BLOCKDEV_VMDK_ADAPTER_TYPE_IDE) {
>> >          /* that's the number of heads with which vmware operates when
>> >             creating, exporting, etc. vmdk files with a non-ide adapter type */
>> >          number_heads = 255;
>> >      }
>> > -    if (!fmt) {
>> > -        /* Default format to monolithicSparse */
>> > -        fmt = g_strdup("monolithicSparse");
>> > -    } else if (strcmp(fmt, "monolithicFlat") &&
>> > -               strcmp(fmt, "monolithicSparse") &&
>> > -               strcmp(fmt, "twoGbMaxExtentSparse") &&
>> > -               strcmp(fmt, "twoGbMaxExtentFlat") &&
>> > -               strcmp(fmt, "streamOptimized")) {
>> > -        error_setg(errp, "Unknown subformat: '%s'", fmt);
>> > -        ret = -EINVAL;
>> > -        goto exit;
>> > -    }
>> > -    split = !(strcmp(fmt, "twoGbMaxExtentFlat") &&
>> > -              strcmp(fmt, "twoGbMaxExtentSparse"));
>> > -    flat = !(strcmp(fmt, "monolithicFlat") &&
>> > -             strcmp(fmt, "twoGbMaxExtentFlat"));
>> > -    compress = !strcmp(fmt, "streamOptimized");
>> > +    split = (subformat == BLOCKDEV_VMDK_SUBFORMAT_TWOGBMAXEXTENTFLAT) ||
>> > +            (subformat == BLOCKDEV_VMDK_SUBFORMAT_TWOGBMAXEXTENTSPARSE);
>> > +    flat = (subformat == BLOCKDEV_VMDK_SUBFORMAT_MONOLITHICFLAT) ||
>> > +           (subformat == BLOCKDEV_VMDK_SUBFORMAT_TWOGBMAXEXTENTFLAT);
>> > +    compress = subformat == BLOCKDEV_VMDK_SUBFORMAT_STREAMOPTIMIZED;
>> > +
>> >      if (flat) {
>> > -        desc_extent_line = "RW %" PRId64 " FLAT \"%s\" 0\n";
>> > +        extent_line_fmt = "RW %" PRId64 " FLAT \"%s\" 0\n";
>> >      } else {
>> > -        desc_extent_line = "RW %" PRId64 " SPARSE \"%s\"\n";
>> > +        extent_line_fmt = "RW %" PRId64 " SPARSE \"%s\"\n";
>> >      }
>> >      if (flat && backing_file) {
>> >          error_setg(errp, "Flat image can't have backing file");
>> > @@ -2031,10 +2044,34 @@ static int coroutine_fn vmdk_co_create_opts(const char *filename, QemuOpts *opts
>> >          ret = -ENOTSUP;
>> >          goto exit;
>> >      }
>> > +
>> > +    /* Create extents */
>> > +    if (split) {
>> > +        extent_size = split_size;
>> > +    } else {
>> > +        extent_size = size;
>> > +    }
>> > +    if (!split && !flat) {
>> > +        created_size = extent_size;
>> > +    } else {
>> > +        created_size = 0;
>> > +    }
>> > +    /* Get the descriptor file BDS */
>> > +    blk = extent_fn(created_size, 0, flat, split, compress, zeroed_grain,
>> > +                    opaque, errp);
>> > +    if (!blk) {
>> > +        ret = -EIO;
>> > +        goto exit;
>> > +    }
>> > +    if (!split && !flat) {
>> > +        vmdk_desc_add_extent(ext_desc_lines, extent_line_fmt, created_size,
>> > +                             blk_bs(blk)->filename);
>> > +    }
>> > +
>> >      if (backing_file) {
>> > -        BlockBackend *blk;
>> > +        BlockBackend *backing;
>> >          char *full_backing = g_new0(char, PATH_MAX);
>> > -        bdrv_get_full_backing_filename_from_filename(filename, backing_file,
>> > +        bdrv_get_full_backing_filename_from_filename(blk_bs(blk)->filename, backing_file,
>> >                                                       full_backing, PATH_MAX,
>> >                                                       &local_err);
>> >          if (local_err) {
>> > @@ -2044,93 +2081,65 @@ static int coroutine_fn vmdk_co_create_opts(const char *filename, QemuOpts *opts
>> >              goto exit;
>> >          }
>> >  
>> > -        blk = blk_new_open(full_backing, NULL, NULL,
>> > -                           BDRV_O_NO_BACKING, errp);
>> > +        backing = blk_new_open(full_backing, NULL, NULL,
>> > +                               BDRV_O_NO_BACKING, errp);
>> >          g_free(full_backing);
>> > -        if (blk == NULL) {
>> > +        if (backing == NULL) {
>> >              ret = -EIO;
>> >              goto exit;
>> >          }
>> > -        if (strcmp(blk_bs(blk)->drv->format_name, "vmdk")) {
>> > -            blk_unref(blk);
>> > +        if (strcmp(blk_bs(backing)->drv->format_name, "vmdk")) {
>> > +            error_setg(errp, "Invalid backing file format: %s. Must be vmdk",
>> > +                       blk_bs(backing)->drv->format_name);
>> > +            blk_unref(backing);
>> >              ret = -EINVAL;
>> >              goto exit;
>> >          }
>> > -        ret = vmdk_read_cid(blk_bs(blk), 0, &parent_cid);
>> > -        blk_unref(blk);
>> > +        ret = vmdk_read_cid(blk_bs(backing), 0, &parent_cid);
>> > +        blk_unref(backing);
>> >          if (ret) {
>> > +            error_setg(errp, "Failed to read parent CID");
>> >              goto exit;
>> >          }
>> >          snprintf(parent_desc_line, BUF_SIZE,
>> >                  "parentFileNameHint=\"%s\"", backing_file);
>> >      }
>> > -
>> > -    /* Create extents */
>> > -    filesize = total_size;
>> > -    while (filesize > 0) {
>> > -        int64_t size = filesize;
>> > -
>> > -        if (split && size > split_size) {
>> > -            size = split_size;
>> > -        }
>> > -        if (split) {
>> > -            snprintf(desc_filename, PATH_MAX, "%s-%c%03d%s",
>> > -                    prefix, flat ? 'f' : 's', ++idx, postfix);
>> > -        } else if (flat) {
>> > -            snprintf(desc_filename, PATH_MAX, "%s-flat%s", prefix, postfix);
>> > -        } else {
>> > -            snprintf(desc_filename, PATH_MAX, "%s%s", prefix, postfix);
>> > -        }
>> > -        snprintf(ext_filename, PATH_MAX, "%s%s", path, desc_filename);
>> > -
>> > -        if (vmdk_create_extent(ext_filename, size,
>> > -                               flat, compress, zeroed_grain, NULL, opts, errp)) {
>> > +    extent_idx = 1;
>> > +    while (created_size < size) {
>> > +        BlockBackend *extent_blk;
>> > +        int64_t cur_size = MIN(size - created_size, extent_size);
>> > +        extent_blk = extent_fn(cur_size, extent_idx, flat, split, compress,
>> > +                               zeroed_grain, opaque, errp);
>> > +        if (!extent_blk) {
>> >              ret = -EINVAL;
>> >              goto exit;
>> >          }
>> > -        filesize -= size;
>> > -
>> > -        /* Format description line */
>> > -        snprintf(desc_line, BUF_SIZE,
>> > -                    desc_extent_line, size / BDRV_SECTOR_SIZE, desc_filename);
>> > -        g_string_append(ext_desc_lines, desc_line);
>> > +        vmdk_desc_add_extent(ext_desc_lines, extent_line_fmt, cur_size,
>> > +                             blk_bs(extent_blk)->filename);
>> > +        created_size += cur_size;
>> > +        extent_idx++;
>> > +        blk_unref(extent_blk);
>> >      }
>> >      /* generate descriptor file */
>> >      desc = g_strdup_printf(desc_template,
>> >                             g_random_int(),
>> >                             parent_cid,
>> > -                           fmt,
>> > +                           vmdk_subformat_str(subformat),
>> >                             parent_desc_line,
>> >                             ext_desc_lines->str,
>> >                             hw_version,
>> > -                           total_size /
>> > +                           size /
>> >                                 (int64_t)(63 * number_heads * BDRV_SECTOR_SIZE),
>> >                             number_heads,
>> > -                           adapter_type);
>> > +                           qapi_enum_lookup(&BlockdevVmdkAdapterType_lookup,
>> > +                                            adapter_type));
>> >      desc_len = strlen(desc);
>> >      /* the descriptor offset = 0x200 */
>> >      if (!split && !flat) {
>> >          desc_offset = 0x200;
>> > -    } else {
>> > -        ret = bdrv_create_file(filename, opts, &local_err);
>> > -        if (ret < 0) {
>> > -            error_propagate(errp, local_err);
>> > -            goto exit;
>> > -        }
>> >      }
>> >  
>> > -    new_blk = blk_new_open(filename, NULL, NULL,
>> > -                           BDRV_O_RDWR | BDRV_O_RESIZE | BDRV_O_PROTOCOL,
>> > -                           &local_err);
>> > -    if (new_blk == NULL) {
>> > -        error_propagate(errp, local_err);
>> > -        ret = -EIO;
>> > -        goto exit;
>> > -    }
>> > -
>> > -    blk_set_allow_write_beyond_eof(new_blk, true);
>> > -
>> > -    ret = blk_pwrite(new_blk, desc_offset, desc, desc_len, 0);
>> > +    ret = blk_pwrite(blk, desc_offset, desc, desc_len, 0);
>> >      if (ret < 0) {
>> >          error_setg_errno(errp, -ret, "Could not write description");
>> >          goto exit;
>> > @@ -2138,12 +2147,148 @@ static int coroutine_fn vmdk_co_create_opts(const char *filename, QemuOpts *opts
>> >      /* bdrv_pwrite write padding zeros to align to sector, we don't need that
>> >       * for description file */
>> >      if (desc_offset == 0) {
>> > -        ret = blk_truncate(new_blk, desc_len, PREALLOC_MODE_OFF, errp);
>> > +        ret = blk_truncate(blk, desc_len, PREALLOC_MODE_OFF, errp);
>> >      }
>> >  exit:
>> > -    if (new_blk) {
>> > -        blk_unref(new_blk);
>> > +    if (blk) {
>> > +        blk_unref(blk);
>> >      }
>> > +    g_free(desc);
>> > +    g_free(parent_desc_line);
>> > +    g_string_free(ext_desc_lines, true);
>> > +    return ret;
>> > +}
>> > +
>> > +typedef struct {
>> > +    char *path;
>> > +    char *prefix;
>> > +    char *postfix;
>> > +    QemuOpts *opts;
>> > +} VMDKCreateOptsData;
>> > +
>> > +static BlockBackend *vmdk_co_create_opts_cb(int64_t size, int idx,
>> > +                                            bool flat, bool split, bool compress,
>> > +                                            bool zeroed_grain, void *opaque,
>> > +                                            Error **errp)
>> > +{
>> > +    BlockBackend *blk = NULL;
>> > +    BlockDriverState *bs = NULL;
>> > +    VMDKCreateOptsData *data = opaque;
>> > +    char *ext_filename = NULL;
>> > +    char *rel_filename = NULL;
>> > +
>> > +    if (idx == 0) {
>> > +        rel_filename = g_strdup_printf("%s%s", data->prefix, data->postfix);
>> > +    } else if (split) {
>> > +        rel_filename = g_strdup_printf("%s-%c%03d%s",
>> > +                                       data->prefix,
>> > +                                       flat ? 'f' : 's', idx, data->postfix);
>> > +    } else {
>> > +        assert(idx == 1);
>> > +        rel_filename = g_strdup_printf("%s-flat%s", data->prefix, data->postfix);
>> > +    }
>> > +
>> > +    ext_filename = g_strdup_printf("%s%s", data->path, rel_filename);
>> > +    g_free(rel_filename);
>> > +
>> > +    if (vmdk_create_extent(ext_filename, size,
>> > +                           flat, compress, zeroed_grain, &blk, data->opts,
>> > +                           errp)) {
>> > +        goto exit;
>> > +    }
>> > +    bdrv_unref(bs);
>> > +exit:
>> > +    g_free(ext_filename);
>> > +    return blk;
>> > +}
>> > +
>> > +static int coroutine_fn vmdk_co_create_opts(const char *filename, QemuOpts *opts,
>> > +                                            Error **errp)
>> > +{
>> > +    Error *local_err = NULL;
>> > +    char *desc = NULL;
>> > +    int64_t total_size = 0;
>> > +    char *adapter_type = NULL;
>> > +    BlockdevVmdkAdapterType adapter_type_enum;
>> > +    char *backing_file = NULL;
>> > +    char *hw_version = NULL;
>> > +    char *fmt = NULL;
>> > +    BlockdevVmdkSubformat subformat;
>> > +    int ret = 0;
>> > +    char *path = g_malloc0(PATH_MAX);
>> > +    char *prefix = g_malloc0(PATH_MAX);
>> > +    char *postfix = g_malloc0(PATH_MAX);
>> > +    char *desc_line = g_malloc0(BUF_SIZE);
>> > +    char *ext_filename = g_malloc0(PATH_MAX);
>> > +    char *desc_filename = g_malloc0(PATH_MAX);
>> > +    char *parent_desc_line = g_malloc0(BUF_SIZE);
>> > +    bool zeroed_grain;
>> > +    bool compat6;
>> > +    int i;
>> > +    VMDKCreateOptsData data;
>> > +
>> > +    if (filename_decompose(filename, path, prefix, postfix, PATH_MAX, errp)) {
>> > +        ret = -EINVAL;
>> > +        goto exit;
>> > +    }
>> > +    /* Read out options */
>> > +    total_size = ROUND_UP(qemu_opt_get_size_del(opts, BLOCK_OPT_SIZE, 0),
>> > +                          BDRV_SECTOR_SIZE);
>> > +    adapter_type = qemu_opt_get_del(opts, BLOCK_OPT_ADAPTER_TYPE);
>> > +    backing_file = qemu_opt_get_del(opts, BLOCK_OPT_BACKING_FILE);
>> > +    hw_version = qemu_opt_get_del(opts, BLOCK_OPT_HWVERSION);
>> > +    compat6 = qemu_opt_get_bool_del(opts, BLOCK_OPT_COMPAT6, false);
>> > +    if (strcmp(hw_version, "undefined") == 0) {
>> > +        g_free(hw_version);
>> > +        hw_version = g_strdup("4");
>> > +    }
>> > +    fmt = qemu_opt_get_del(opts, BLOCK_OPT_SUBFMT);
>> > +    zeroed_grain = qemu_opt_get_bool_del(opts, BLOCK_OPT_ZEROED_GRAIN, false);
>> > +
>> > +    if (adapter_type) {
>> > +        for (i = 0; i < strlen(adapter_type); ++i) {
>> > +            adapter_type[i] = qemu_tolower(adapter_type[i]);
>> > +        }
>> 
>> First, you convert to lower cases, and then...
>> 
>> > +        adapter_type_enum = qapi_enum_parse_full(&BlockdevVmdkAdapterType_lookup,
>> > +                                                 adapter_type,
>> > +                                                 BLOCKDEV_VMDK_ADAPTER_TYPE_IDE,
>> > +                                                 true,
>> > +                                                 &local_err);
>> 
>> ... you parse case-insensitive.  Huh?
>
> I forgot to update this one after adding the qapi_enum_parse_full patch.
>
>> 
>> Which spellings did the old code accept?  As far as I can tell, exactly
>> "ide", "lsilogic", "buslogic", "legacyESX".  Are you sure we should
>> ignore case going forward?
>
> So this comes to the same point as subformat: could QAPI do camelCase as in
> "monolithicSparse" and "legacyESX"?

Yes, but you might have to add the type to the name-case-whitelist in
qapi-schema.json.

Additions to name-case-whitelist need a really good reason.  Making code
simpler could be one.

>> > +        if (local_err) {
>> > +            error_propagate(errp, local_err);
>> > +            ret = -EINVAL;
>> > +            goto exit;
>> > +        }
>> > +    } else {
>> > +        adapter_type_enum = BLOCKDEV_VMDK_ADAPTER_TYPE_IDE;
>> > +    }
>> > +
>> > +    if (!fmt) {
>> > +        /* Default format to monolithicSparse */
>> > +        subformat = BLOCKDEV_VMDK_SUBFORMAT_MONOLITHICSPARSE;
>> > +    } else {
>> > +        subformat = qapi_enum_parse_full(&BlockdevVmdkSubformat_lookup,
>> > +                                         fmt,
>> > +                                         BLOCKDEV_VMDK_SUBFORMAT_MONOLITHICSPARSE,
>> > +                                         true,
>> > +                                         &local_err);
>> > +        if (local_err) {
>> > +            error_propagate(errp, local_err);
>> > +            ret = -EINVAL;
>> > +            goto exit;
>> > +        }
>> 
>> Likewise: should we ignore case going forward?  The old code appears to
>> accept exactly "monolithicFlat", "monolithicSparse",
>> "twoGbMaxExtentSparse", "twoGbMaxExtentFlat", "streamOptimized".
>> 
>> > +    }
>> > +    data = (VMDKCreateOptsData){
>> > +        .prefix = prefix,
>> > +        .postfix = postfix,
>> > +        .path = path,
>> > +        .opts = opts,
>> > +    };
>> > +    ret = vmdk_co_do_create(total_size, subformat, adapter_type_enum,
>> > +                            backing_file, hw_version, compat6, zeroed_grain,
>> > +                            vmdk_co_create_opts_cb, &data, errp);
>> > +
>> > +exit:
>> >      g_free(adapter_type);
>> >      g_free(backing_file);
>> >      g_free(hw_version);
>> > @@ -2156,7 +2301,84 @@ exit:
>> >      g_free(ext_filename);
>> >      g_free(desc_filename);
>> >      g_free(parent_desc_line);
>> > -    g_string_free(ext_desc_lines, true);
>> > +    return ret;
>> > +}
>> > +
>> > +static BlockBackend *vmdk_co_create_cb(int64_t size, int idx,
>> > +                                       bool flat, bool split, bool compress,
>> > +                                       bool zeroed_grain, void *opaque,
>> > +                                       Error **errp)
>> > +{
>> > +    int ret;
>> > +    BlockDriverState *bs;
>> > +    BlockBackend *blk;
>> > +    BlockdevCreateOptionsVmdk *opts = opaque;
>> > +
>> > +    if (idx == 0) {
>> > +        bs = bdrv_open_blockdev_ref(opts->file, errp);
>> > +    } else {
>> > +        int i;
>> > +        BlockdevRefList *list = opts->extents;
>> > +        for (i = 1; i < idx; i++) {
>> > +            if (!list || !list->next) {
>> > +                error_setg(errp, "Extent [%d] not specified", i);
>> > +                return NULL;
>> > +            }
>> > +            list = list->next;
>> > +        }
>> > +        if (!list) {
>> > +            error_setg(errp, "Extent [%d] not specified", idx - 1);
>> > +            return NULL;
>> > +        }
>> > +        bs = bdrv_open_blockdev_ref(list->value, errp);
>> > +    }
>> > +    if (!bs) {
>> > +        return NULL;
>> > +    }
>> > +    blk = blk_new(BLK_PERM_CONSISTENT_READ | BLK_PERM_WRITE | BLK_PERM_RESIZE,
>> > +                  BLK_PERM_ALL);
>> > +    if (blk_insert_bs(blk, bs, errp)) {
>> > +        bdrv_unref(bs);
>> > +        return NULL;
>> > +    }
>> > +    blk_set_allow_write_beyond_eof(blk, true);
>> > +    bdrv_unref(bs);
>> > +
>> > +    ret = vmdk_init_extent(blk, size, flat, compress, zeroed_grain, errp);
>> > +    if (ret) {
>> > +        blk_unref(blk);
>> > +        blk = NULL;
>> > +    }
>> > +    return blk;
>> > +}
>> > +
>> > +static int coroutine_fn vmdk_co_create(BlockdevCreateOptions *create_options,
>> > +                                       Error **errp)
>> > +{
>> > +    int ret;
>> > +    BlockdevCreateOptionsVmdk *opts;
>> > +
>> > +    opts = &create_options->u.vmdk;
>> > +
>> > +    /* Validate options */
>> > +    if (!QEMU_IS_ALIGNED(opts->size, BDRV_SECTOR_SIZE)) {
>> > +        error_setg(errp, "Image size must be a multiple of 512 bytes");
>> > +        ret = -EINVAL;
>> > +        goto out;
>> > +    }
>> > +
>> > +    ret = vmdk_co_do_create(opts->size,
>> > +                            opts->subformat,
>> > +                            opts->adapter_type,
>> > +                            opts->backing_file,
>> > +                            opts->hwversion,
>> > +                            false,
>> > +                            opts->zeroed_grain,
>> > +                            vmdk_co_create_cb,
>> > +                            opts, errp);
>> > +    return ret;
>> > +
>> > +out:
>> >      return ret;
>> >  }
>> >  
>> > @@ -2424,6 +2646,7 @@ static BlockDriver bdrv_vmdk = {
>> >      .bdrv_co_pwrite_zeroes        = vmdk_co_pwrite_zeroes,
>> >      .bdrv_close                   = vmdk_close,
>> >      .bdrv_co_create_opts          = vmdk_co_create_opts,
>> > +    .bdrv_co_create               = vmdk_co_create,
>> >      .bdrv_co_flush_to_disk        = vmdk_co_flush,
>> >      .bdrv_co_block_status         = vmdk_co_block_status,
>> >      .bdrv_get_allocated_file_size = vmdk_get_allocated_file_size,
>> > diff --git a/qapi/block-core.json b/qapi/block-core.json
>> > index c50517bff3..df3903b54d 100644
>> > --- a/qapi/block-core.json
>> > +++ b/qapi/block-core.json
>> > @@ -3855,6 +3855,71 @@
>> >              'size':             'size',
>> >              '*cluster-size' :   'size' } }
>> >  
>> > +##
>> > +# @BlockdevVmdkSubformat:
>> > +#
>> > +# Subformat options for VMDK images
>> > +#
>> > +# @monolithicsparse: Single file image with sparse cluster allocation
>> > +# @monolithicflat: Single flat data image and a descriptor file
>> > +# @twogbmaxextentsparse: Data is split into 2GB (per virtual LBA) sparse extent
>> > +#                        files, in addition to a descriptor file
>> > +# @twogbmaxextentflat: Data is split into 2GB (per virtual LBA) flat extent
>> > +#                        files, in addition to a descriptor file
>> > +# @streamoptimized: Single file image sparse cluster allocation, optimized for
>> > +#                   streaming over network.
>> > +#
>> > +# Since: 2.13
>> > +##
>> > +{ 'enum': 'BlockdevVmdkSubformat',
>> > +  'data': [ 'monolithicsparse', 'monolithicflat', 'twogbmaxextentsparse',
>> > +            'twogbmaxextentflat', 'streamoptimized'] }
>> 
>> alllowercasewithoutspacesisevenlesslegiblethanCamelCase.
>> THERESULTINGCIDENTIFIERSAREALLCAPSWITHOUTSPACESWHICHISEVENWORSE.
>> 
>> QAPI conventions ask for monolithic-sparse, monolithic-flat,
>> two-gb-max-extent-sparse and so forth.  Results in C enum identifiers
>> BLOCKDEV_VMDK_SUBFORMAT_MONOLITHIC_SPARSE,
>> BLOCKDEV_VMDK_SUBFORMAT_MONOLITHIC_FLAT,
>> BLOCKDEV_VMDK_SUBFORMAT_TWO_GB_MAX_EXTENT_SPARSE, ...
>> 
>> The existing external interface appears to ask for monolithicFlat,
>> monolithicSparse, twoGbMaxExtentSparse, ...  What's the best way to map
>> between these guys and a QAPI enum?
>
> It would be best if we can stick to monolithicSparse everywhere. Can we?

Please try.  The generated C identifiers will be ugly, but a bit of
ugliness is probably less bad than conversion code.

>> > +
>> > +##
>> > +# @BlockdevVmdkAdapterType:
>> > +#
>> > +# Adapter type info for VMDK images
>> > +#
>> > +# Since: 2.13
>> > +##
>> > +{ 'enum': 'BlockdevVmdkAdapterType',
>> > +  'data': [ 'ide', 'buslogic', 'lsilogic', 'legacyesx'] }
>> > +
>> > +##
>> > +# @BlockdevCreateOptionsVmdk:
>> > +#
>> > +# Driver specific image creation options for VMDK.
>> > +#
>> > +# @file         Where to store the new image file. This refers to the image
>> > +#               file for monolithcSparse and streamOptimized format, or the
>> > +#               descriptor file for other formats.
>> > +# @size         Size of the virtual disk in bytes
>> > +# @extents      Where to store the data extents. Required for monolithcflat,
>> > +#               twoGbMaxExtentSparse and twoGbMaxExtentFlat formats. For
>> > +#               monolithicflat, only one entry is required; for
>> > +#               twoGbMaxExtent* formats, the number of entries required is
>> > +#               calculated as extent_number = virtual_size / 2GB.
>> > +# @subformat    The subformat of the VMDK image. Default: "monolithicsparse".
>> > +# @backing-file The path of backing file. Default: no backing file is used.
>> > +# @adapter-type The adapter type used to fill in the descriptor. Default: ide.
>> > +# @hwversion    Hardware version. The meaningful options are "4" or "6".
>> 
>> Okay, these are the meaningfull options.  What are the meaningless ones?
>
> I don't know. Historically we've used '3', I have never seen '5'. VMware
> articles mention '7' [1]. This is not documented anywhere, so I'm only
> listing what has been used by QEMU.
>
> [1]: https://kb.vmware.com/s/article/1026254

What about

    # @hwversion    Hardware version.  Recognized values are "4" and "6".

>> 
>> > +#               Defaulted to "4".
>> 
>> More common phrasings are
>> 
>>     Default is "4"
>>     Defaults to "4"
>>     Default: "4"
>
> OK.
>
>> 
>> > +# @zeroed-grain Whether to enable zeroed-grain feature for sparse subformats.
>> > +#               Default: false.
>> > +#
>> > +# Since: 2.13
>> > +##
>> > +{ 'struct': 'BlockdevCreateOptionsVmdk',
>> > +  'data': { 'file':             'BlockdevRef',
>> > +            'size':             'size',
>> > +            '*extents':          ['BlockdevRef'],
>> > +            '*subformat':       'BlockdevVmdkSubformat',
>> > +            '*backing-file':    'str',
>> > +            '*adapter-type':    'BlockdevVmdkAdapterType',
>> > +            '*hwversion':       'str',
>> > +            '*zeroed-grain':    'bool' } }
>> > +
>> > +
>> >  ##
>> >  # @SheepdogRedundancyType:
>> >  #
>> > @@ -4078,7 +4143,7 @@
>> >        'throttle':       'BlockdevCreateNotSupported',
>> >        'vdi':            'BlockdevCreateOptionsVdi',
>> >        'vhdx':           'BlockdevCreateOptionsVhdx',
>> > -      'vmdk':           'BlockdevCreateNotSupported',
>> > +      'vmdk':           'BlockdevCreateOptionsVmdk',
>> >        'vpc':            'BlockdevCreateOptionsVpc',
>> >        'vvfat':          'BlockdevCreateNotSupported',
>> >        'vxhs':           'BlockdevCreateNotSupported'
>
> Fam

[Qemu-devel] [PATCH 4/5] iotests: Filter cid numbers in VMDK extent info

[Fam Zheng]

Signed-off-by: Fam Zheng <famz@redhat.com>
---
 tests/qemu-iotests/common.filter | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tests/qemu-iotests/common.filter b/tests/qemu-iotests/common.filter
index c5f4bcf578..0debefed18 100644
--- a/tests/qemu-iotests/common.filter
+++ b/tests/qemu-iotests/common.filter
@@ -164,6 +164,7 @@ _filter_img_info()
         -e "/table_size: [0-9]\\+/d" \
         -e "/compat: '[^']*'/d" \
         -e "/compat6: \\(on\\|off\\)/d" \
+        -e "s/cid: [0-9]\+/cid: XXXXXXXXXX/" \
         -e "/static: \\(on\\|off\\)/d" \
         -e "/zeroed_grain: \\(on\\|off\\)/d" \
         -e "/subformat: '[^']*'/d" \
-- 
2.14.3

[Qemu-devel] [PATCH 5/5] iotests: Add VMDK tests for blockdev-create

[Fam Zheng]

Signed-off-by: Fam Zheng <famz@redhat.com>
---
 tests/qemu-iotests/214     | 268 +++++++++++++++++++++++++++++++++++++++
 tests/qemu-iotests/214.out | 304 +++++++++++++++++++++++++++++++++++++++++++++
 tests/qemu-iotests/group   |   1 +
 3 files changed, 573 insertions(+)
 create mode 100755 tests/qemu-iotests/214
 create mode 100644 tests/qemu-iotests/214.out

diff --git a/tests/qemu-iotests/214 b/tests/qemu-iotests/214
new file mode 100755
index 0000000000..d089859b7f
--- /dev/null
+++ b/tests/qemu-iotests/214
@@ -0,0 +1,268 @@
+#!/bin/bash
+#
+# Test vmdk and file image creation
+#
+# Copyright (C) 2018 Red Hat, Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+# creator
+owner=famz@redhat.com
+
+seq=`basename $0`
+echo "QA output created by $seq"
+
+here=`pwd`
+status=1	# failure is the default!
+
+# get standard environment, filters and checks
+. ./common.rc
+. ./common.filter
+
+_supported_fmt vmdk
+_supported_proto file
+_supported_os Linux
+
+function do_run_qemu()
+{
+    $QEMU -nographic -qmp stdio -serial none "$@"
+    echo
+}
+
+function run_qemu()
+{
+    do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_qmp \
+                          | _filter_qemu | _filter_imgfmt \
+                          | _filter_actual_image_size
+}
+
+echo
+echo "=== Successful image creation (defaults) ==="
+echo
+
+size=$((5 * 1024 * 1024 * 1024))
+
+run_qemu <<EOF
+{ "execute": "qmp_capabilities" }
+{ "execute": "x-blockdev-create",
+  "arguments": {
+      "driver": "file",
+      "filename": "$TEST_IMG",
+      "size": 0
+  }
+}
+{ "execute": "blockdev-add",
+  "arguments": {
+      "driver": "file",
+      "node-name": "imgfile",
+      "filename": "$TEST_IMG"
+  }
+}
+{ "execute": "x-blockdev-create",
+  "arguments": {
+      "driver": "$IMGFMT",
+      "file": "imgfile",
+      "size": $size
+  }
+}
+{ "execute": "quit" }
+EOF
+
+_img_info --format-specific | _filter_img_info --format-specific
+
+echo
+echo "=== Successful image creation (explicit defaults) ==="
+echo
+
+# Choose a different size to show that we got a new image
+size=$((64 * 1024 * 1024))
+
+run_qemu <<EOF
+{ "execute": "qmp_capabilities" }
+{ "execute": "x-blockdev-create",
+  "arguments": {
+      "driver": "file",
+      "filename": "$TEST_IMG",
+      "size": 0
+  }
+}
+{ "execute": "x-blockdev-create",
+  "arguments": {
+      "driver": "$IMGFMT",
+      "file": {
+          "driver": "file",
+          "filename": "$TEST_IMG"
+      },
+      "size": $size,
+      "extents": [],
+      "subformat": "monolithicsparse",
+      "adapter-type": "ide",
+      "hwversion": "4",
+      "zeroed-grain": false
+  }
+}
+{ "execute": "quit" }
+EOF
+
+_img_info --format-specific | _filter_img_info --format-specific
+
+echo
+echo "=== Successful image creation (with non-default options) ==="
+echo
+
+# Choose a different size to show that we got a new image
+size=$((32 * 1024 * 1024))
+
+run_qemu <<EOF
+{ "execute": "qmp_capabilities" }
+{ "execute": "x-blockdev-create",
+  "arguments": {
+      "driver": "file",
+      "filename": "$TEST_IMG",
+      "size": 0
+  }
+}
+{ "execute": "x-blockdev-create",
+  "arguments": {
+      "driver": "$IMGFMT",
+      "file": {
+          "driver": "file",
+          "filename": "$TEST_IMG"
+      },
+      "size": $size,
+      "extents": [],
+      "subformat": "monolithicsparse",
+      "adapter-type": "buslogic",
+      "zeroed-grain": true
+  }
+}
+{ "execute": "quit" }
+EOF
+
+_img_info --format-specific | _filter_img_info --format-specific
+
+echo
+echo "=== Invalid BlockdevRef ==="
+echo
+
+run_qemu <<EOF
+{ "execute": "qmp_capabilities" }
+{ "execute": "x-blockdev-create",
+  "arguments": {
+      "driver": "$IMGFMT",
+      "file": "this doesn't exist",
+      "size": $size
+  }
+}
+{ "execute": "quit" }
+EOF
+
+echo
+echo "=== Other subformats ==="
+echo
+
+TEST_IMG="$TEST_IMG.1" _make_test_img 0
+TEST_IMG="$TEST_IMG.2" _make_test_img 0
+TEST_IMG="$TEST_IMG.3" _make_test_img 0
+
+echo
+echo "== Missing extent =="
+run_qemu \
+    -blockdev driver=file,filename="$TEST_IMG",node-name=node0 <<EOF
+{ "execute": "qmp_capabilities" }
+{ "execute": "x-blockdev-create",
+  "arguments": {
+      "driver": "$IMGFMT",
+      "file": "node0",
+      "size": $size,
+      "subformat": "monolithicflat"
+  }
+}
+{ "execute": "quit" }
+EOF
+
+echo
+echo "== Correct extent =="
+run_qemu \
+    -blockdev driver=file,filename="$TEST_IMG",node-name=node0 \
+    -blockdev driver=file,filename="$TEST_IMG.1",node-name=ext1 <<EOF
+{ "execute": "qmp_capabilities" }
+{ "execute": "x-blockdev-create",
+  "arguments": {
+      "driver": "$IMGFMT",
+      "file": "node0",
+      "size": $size,
+      "subformat": "monolithicflat",
+      "extents": ["ext1"]
+  }
+}
+{ "execute": "quit" }
+EOF
+
+echo
+echo "== Extra extent =="
+run_qemu \
+    -blockdev driver=file,filename="$TEST_IMG",node-name=node0 \
+    -blockdev driver=file,filename="$TEST_IMG.1",node-name=ext1 \
+    -blockdev driver=file,filename="$TEST_IMG.2",node-name=ext2 \
+    -blockdev driver=file,filename="$TEST_IMG.3",node-name=ext3 <<EOF
+{ "execute": "qmp_capabilities" }
+{ "execute": "x-blockdev-create",
+  "arguments": {
+      "driver": "$IMGFMT",
+      "file": "node0",
+      "size": 512,
+      "subformat": "monolithicflat",
+      "extents": ["ext1", "ext2", "ext3"]
+  }
+}
+{ "execute": "quit" }
+EOF
+
+echo
+echo "== Split formats =="
+echo
+
+for size in 512 1073741824 2147483648 5368709120; do
+    for subfmt in twogbmaxextentflat twogbmaxextentsparse; do
+        echo
+        echo "= $subfmt $size ="
+        echo
+        run_qemu \
+            -blockdev driver=file,filename="$TEST_IMG",node-name=node0 \
+            -blockdev driver=file,filename="$TEST_IMG.1",node-name=ext1 \
+            -blockdev driver=file,filename="$TEST_IMG.2",node-name=ext2 \
+            -blockdev driver=file,filename="$TEST_IMG.3",node-name=ext3 <<EOF
+{ "execute": "qmp_capabilities" }
+{ "execute": "x-blockdev-create",
+  "arguments": {
+      "driver": "$IMGFMT",
+      "file": "node0",
+      "size": $size,
+      "subformat": "$subfmt",
+      "extents": ["ext1", "ext2", "ext3"]
+  }
+}
+{ "execute": "quit" }
+EOF
+
+        _img_info --format-specific | _filter_img_info --format-specific
+    done
+done
+
+# success, all done
+echo "*** done"
+rm -f $seq.full
+status=0
diff --git a/tests/qemu-iotests/214.out b/tests/qemu-iotests/214.out
new file mode 100644
index 0000000000..1cf3e01a88
--- /dev/null
+++ b/tests/qemu-iotests/214.out
@@ -0,0 +1,304 @@
+QA output created by 214
+
+=== Successful image creation (defaults) ===
+
+QMP_VERSION
+{"return": {}}
+{"return": {}}
+{"return": {}}
+{"return": {}}
+{"return": {}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false}}
+
+image: TEST_DIR/t.IMGFMT
+file format: IMGFMT
+virtual size: 5.0G (5368709120 bytes)
+Format specific information:
+    cid: XXXXXXXXXX
+    parent cid: XXXXXXXXXX
+    create type: monolithicSparse
+    extents:
+        [0]:
+            virtual size: 5368709120
+            filename: TEST_DIR/t.IMGFMT
+            cluster size: 65536
+            format:
+
+=== Successful image creation (explicit defaults) ===
+
+QMP_VERSION
+{"return": {}}
+{"return": {}}
+{"return": {}}
+{"return": {}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false}}
+
+image: TEST_DIR/t.IMGFMT
+file format: IMGFMT
+virtual size: 64M (67108864 bytes)
+Format specific information:
+    cid: XXXXXXXXXX
+    parent cid: XXXXXXXXXX
+    create type: monolithicSparse
+    extents:
+        [0]:
+            virtual size: 67108864
+            filename: TEST_DIR/t.IMGFMT
+            cluster size: 65536
+            format:
+
+=== Successful image creation (with non-default options) ===
+
+QMP_VERSION
+{"return": {}}
+{"return": {}}
+{"return": {}}
+{"return": {}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false}}
+
+image: TEST_DIR/t.IMGFMT
+file format: IMGFMT
+virtual size: 32M (33554432 bytes)
+Format specific information:
+    cid: XXXXXXXXXX
+    parent cid: XXXXXXXXXX
+    create type: monolithicSparse
+    extents:
+        [0]:
+            virtual size: 33554432
+            filename: TEST_DIR/t.IMGFMT
+            cluster size: 65536
+            format:
+
+=== Invalid BlockdevRef ===
+
+QMP_VERSION
+{"return": {}}
+{"error": {"class": "GenericError", "desc": "Cannot find device=this doesn't exist nor node_name=this doesn't exist"}}
+{"return": {}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false}}
+
+
+=== Other subformats ===
+
+Formatting 'TEST_DIR/t.IMGFMT.1', fmt=IMGFMT size=0
+Formatting 'TEST_DIR/t.IMGFMT.2', fmt=IMGFMT size=0
+Formatting 'TEST_DIR/t.IMGFMT.3', fmt=IMGFMT size=0
+
+== Missing extent ==
+QMP_VERSION
+{"return": {}}
+{"error": {"class": "GenericError", "desc": "Extent [0] not specified"}}
+{"return": {}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false}}
+
+
+== Correct extent ==
+QMP_VERSION
+{"return": {}}
+{"return": {}}
+{"return": {}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false}}
+
+
+== Extra extent ==
+QMP_VERSION
+{"return": {}}
+{"return": {}}
+{"return": {}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false}}
+
+
+== Split formats ==
+
+
+= twogbmaxextentflat 512 =
+
+QMP_VERSION
+{"return": {}}
+{"return": {}}
+{"return": {}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false}}
+
+image: TEST_DIR/t.IMGFMT
+file format: IMGFMT
+virtual size: 512 (512 bytes)
+Format specific information:
+    cid: XXXXXXXXXX
+    parent cid: XXXXXXXXXX
+    create type: twoGbMaxExtentFlat
+    extents:
+        [0]:
+            virtual size: 512
+            filename: TEST_DIR/t.IMGFMT.1
+            format: FLAT
+
+= twogbmaxextentsparse 512 =
+
+QMP_VERSION
+{"return": {}}
+{"return": {}}
+{"return": {}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false}}
+
+image: TEST_DIR/t.IMGFMT
+file format: IMGFMT
+virtual size: 512 (512 bytes)
+Format specific information:
+    cid: XXXXXXXXXX
+    parent cid: XXXXXXXXXX
+    create type: twoGbMaxExtentSparse
+    extents:
+        [0]:
+            virtual size: 512
+            filename: TEST_DIR/t.IMGFMT.1
+            cluster size: 65536
+            format: SPARSE
+
+= twogbmaxextentflat 1073741824 =
+
+QMP_VERSION
+{"return": {}}
+{"return": {}}
+{"return": {}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false}}
+
+image: TEST_DIR/t.IMGFMT
+file format: IMGFMT
+virtual size: 1.0G (1073741824 bytes)
+Format specific information:
+    cid: XXXXXXXXXX
+    parent cid: XXXXXXXXXX
+    create type: twoGbMaxExtentFlat
+    extents:
+        [0]:
+            virtual size: 1073741824
+            filename: TEST_DIR/t.IMGFMT.1
+            format: FLAT
+
+= twogbmaxextentsparse 1073741824 =
+
+QMP_VERSION
+{"return": {}}
+{"return": {}}
+{"return": {}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false}}
+
+image: TEST_DIR/t.IMGFMT
+file format: IMGFMT
+virtual size: 1.0G (1073741824 bytes)
+Format specific information:
+    cid: XXXXXXXXXX
+    parent cid: XXXXXXXXXX
+    create type: twoGbMaxExtentSparse
+    extents:
+        [0]:
+            virtual size: 1073741824
+            filename: TEST_DIR/t.IMGFMT.1
+            cluster size: 65536
+            format: SPARSE
+
+= twogbmaxextentflat 2147483648 =
+
+QMP_VERSION
+{"return": {}}
+{"return": {}}
+{"return": {}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false}}
+
+image: TEST_DIR/t.IMGFMT
+file format: IMGFMT
+virtual size: 2.0G (2147483648 bytes)
+Format specific information:
+    cid: XXXXXXXXXX
+    parent cid: XXXXXXXXXX
+    create type: twoGbMaxExtentFlat
+    extents:
+        [0]:
+            virtual size: 2147483648
+            filename: TEST_DIR/t.IMGFMT.1
+            format: FLAT
+
+= twogbmaxextentsparse 2147483648 =
+
+QMP_VERSION
+{"return": {}}
+{"return": {}}
+{"return": {}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false}}
+
+image: TEST_DIR/t.IMGFMT
+file format: IMGFMT
+virtual size: 2.0G (2147483648 bytes)
+Format specific information:
+    cid: XXXXXXXXXX
+    parent cid: XXXXXXXXXX
+    create type: twoGbMaxExtentSparse
+    extents:
+        [0]:
+            virtual size: 2147483648
+            filename: TEST_DIR/t.IMGFMT.1
+            cluster size: 65536
+            format: SPARSE
+
+= twogbmaxextentflat 5368709120 =
+
+QMP_VERSION
+{"return": {}}
+{"return": {}}
+{"return": {}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false}}
+
+image: TEST_DIR/t.IMGFMT
+file format: IMGFMT
+virtual size: 5.0G (5368709120 bytes)
+Format specific information:
+    cid: XXXXXXXXXX
+    parent cid: XXXXXXXXXX
+    create type: twoGbMaxExtentFlat
+    extents:
+        [0]:
+            virtual size: 2147483648
+            filename: TEST_DIR/t.IMGFMT.1
+            format: FLAT
+        [1]:
+            virtual size: 2147483648
+            filename: TEST_DIR/t.IMGFMT.2
+            format: FLAT
+        [2]:
+            virtual size: 1073741824
+            filename: TEST_DIR/t.IMGFMT.3
+            format: FLAT
+
+= twogbmaxextentsparse 5368709120 =
+
+QMP_VERSION
+{"return": {}}
+{"return": {}}
+{"return": {}}
+{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false}}
+
+image: TEST_DIR/t.IMGFMT
+file format: IMGFMT
+virtual size: 5.0G (5368709120 bytes)
+Format specific information:
+    cid: XXXXXXXXXX
+    parent cid: XXXXXXXXXX
+    create type: twoGbMaxExtentSparse
+    extents:
+        [0]:
+            virtual size: 2147483648
+            filename: TEST_DIR/t.IMGFMT.1
+            cluster size: 65536
+            format: SPARSE
+        [1]:
+            virtual size: 2147483648
+            filename: TEST_DIR/t.IMGFMT.2
+            cluster size: 65536
+            format: SPARSE
+        [2]:
+            virtual size: 1073741824
+            filename: TEST_DIR/t.IMGFMT.3
+            cluster size: 65536
+            format: SPARSE
+*** done
diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group
index 5daef24020..3bc4a8f0e7 100644
--- a/tests/qemu-iotests/group
+++ b/tests/qemu-iotests/group
@@ -212,4 +212,5 @@
 211 rw auto quick
 212 rw auto quick
 213 rw auto quick
+214 rw auto quick
 218 rw auto quick
-- 
2.14.3

Re: [Qemu-devel] [PATCH 0/5] vmdk: Implement x-blockdev-create

[no-reply]

Hi,

This series failed build test on s390x host. Please find the details below.

Type: series
Message-id: 20180509055802.28423-1-famz@redhat.com
Subject: [Qemu-devel] [PATCH 0/5] vmdk: Implement x-blockdev-create

=== TEST SCRIPT BEGIN ===
#!/bin/bash
# Testing script will be invoked under the git checkout with
# HEAD pointing to a commit that has the patches applied on top of "base"
# branch
set -e
echo "=== ENV ==="
env
echo "=== PACKAGES ==="
rpm -qa
echo "=== TEST BEGIN ==="
CC=$HOME/bin/cc
INSTALL=$PWD/install
BUILD=$PWD/build
echo -n "Using CC: "
realpath $CC
mkdir -p $BUILD $INSTALL
SRC=$PWD
cd $BUILD
$SRC/configure --cc=$CC --prefix=$INSTALL
make -j4
# XXX: we need reliable clean up
# make check -j4 V=1
make install
=== TEST SCRIPT END ===

Updating 3c8cf5a9c21ff8782164d1def7f44bd888713384
From https://github.com/patchew-project/qemu
 * [new tag]               patchew/20180509055802.28423-1-famz@redhat.com -> patchew/20180509055802.28423-1-famz@redhat.com
Switched to a new branch 'test'
eb486f53b0 iotests: Add VMDK tests for blockdev-create
910c2bef5d iotests: Filter cid numbers in VMDK extent info
631b2abe10 vmdk: Implement .bdrv_co_create callback
64e4a1dba0 vmdk: Refactor vmdk_create_extent
7ada1cb437 qapi: Add qapi_enum_parse_full

=== OUTPUT BEGIN ===
=== ENV ===
LANG=en_US.UTF-8
XDG_SESSION_ID=174325
USER=fam
PWD=/var/tmp/patchew-tester-tmp-rg1lnbdu/src
HOME=/home/fam
SHELL=/bin/sh
SHLVL=2
PATCHEW=/home/fam/patchew/patchew-cli -s http://patchew.org --nodebug
LOGNAME=fam
DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1012/bus
XDG_RUNTIME_DIR=/run/user/1012
PATH=/usr/bin:/bin
_=/usr/bin/env
=== PACKAGES ===
gpg-pubkey-873529b8-54e386ff
glibc-debuginfo-common-2.24-10.fc25.s390x
fedora-release-26-1.noarch
dejavu-sans-mono-fonts-2.35-4.fc26.noarch
xemacs-filesystem-21.5.34-22.20170124hgf412e9f093d4.fc26.noarch
bash-4.4.12-7.fc26.s390x
libSM-1.2.2-5.fc26.s390x
libmpc-1.0.2-6.fc26.s390x
libaio-0.3.110-7.fc26.s390x
libverto-0.2.6-7.fc26.s390x
perl-Scalar-List-Utils-1.48-1.fc26.s390x
iptables-libs-1.6.1-2.fc26.s390x
tcl-8.6.6-2.fc26.s390x
libxshmfence-1.2-4.fc26.s390x
expect-5.45-23.fc26.s390x
perl-Thread-Queue-3.12-1.fc26.noarch
perl-encoding-2.19-6.fc26.s390x
keyutils-1.5.10-1.fc26.s390x
gmp-devel-6.1.2-4.fc26.s390x
enchant-1.6.0-16.fc26.s390x
python-gobject-base-3.24.1-1.fc26.s390x
python3-enchant-1.6.10-1.fc26.noarch
python-lockfile-0.11.0-6.fc26.noarch
python2-pyparsing-2.1.10-3.fc26.noarch
python2-lxml-4.1.1-1.fc26.s390x
librados2-10.2.7-2.fc26.s390x
trousers-lib-0.3.13-7.fc26.s390x
libdatrie-0.2.9-4.fc26.s390x
libsoup-2.58.2-1.fc26.s390x
passwd-0.79-9.fc26.s390x
bind99-libs-9.9.10-3.P3.fc26.s390x
python3-rpm-4.13.0.2-1.fc26.s390x
systemd-233-7.fc26.s390x
virglrenderer-0.6.0-1.20170210git76b3da97b.fc26.s390x
s390utils-ziomon-1.36.1-3.fc26.s390x
s390utils-osasnmpd-1.36.1-3.fc26.s390x
libXrandr-1.5.1-2.fc26.s390x
libglvnd-glx-1.0.0-1.fc26.s390x
texlive-ifxetex-svn19685.0.5-33.fc26.2.noarch
texlive-psnfss-svn33946.9.2a-33.fc26.2.noarch
texlive-dvipdfmx-def-svn40328-33.fc26.2.noarch
texlive-natbib-svn20668.8.31b-33.fc26.2.noarch
texlive-xdvi-bin-svn40750-33.20160520.fc26.2.s390x
texlive-cm-svn32865.0-33.fc26.2.noarch
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expat-2.2.4-1.fc26.s390x
chkconfig-1.10-1.fc26.s390x
findutils-4.6.0-12.fc26.s390x
mesa-libwayland-egl-17.2.4-2.fc26.s390x
procps-ng-3.3.10-13.fc26.s390x
mesa-libglapi-17.2.4-2.fc26.s390x
perl-Unicode-Normalize-1.25-366.fc26.s390x
perl-IO-Socket-IP-0.39-1.fc26.noarch
hunspell-en-US-0.20140811.1-6.fc26.noarch
libxcb-1.12-3.fc26.s390x
perl-Pod-Escapes-1.07-366.fc26.noarch
perl-Pod-Usage-1.69-2.fc26.noarch
libtheora-1.1.1-15.fc26.s390x
tcp_wrappers-7.6-85.fc26.s390x
coreutils-8.27-7.fc26.s390x
libmount-2.30.2-1.fc26.s390x
python2-iniparse-0.4-24.fc26.noarch
python2-decorator-4.0.11-2.fc26.noarch
ModemManager-glib-1.6.10-1.fc26.s390x
python3-decorator-4.0.11-2.fc26.noarch
python3-cffi-1.9.1-2.fc26.s390x
python-bugzilla-cli-2.1.0-1.fc26.noarch
python2-funcsigs-1.0.2-5.fc26.noarch
python2-babel-2.3.4-5.fc26.noarch
python-bugzilla-2.1.0-1.fc26.noarch
libradosstriper1-10.2.7-2.fc26.s390x
snappy-1.1.4-3.fc26.s390x
libmpcdec-1.2.6-17.fc26.s390x
rpm-libs-4.13.0.2-1.fc26.s390x
python-urlgrabber-3.10.1-11.fc26.noarch
sysfsutils-2.1.0-20.fc26.s390x
python3-hawkey-0.11.1-1.fc26.s390x
iputils-20161105-5.fc26.s390x
plymouth-scripts-0.9.3-0.7.20160620git0e65b86c.fc26.s390x
cronie-1.5.1-5.fc26.s390x
libini_config-1.3.1-34.fc26.s390x
libX11-1.6.5-2.fc26.s390x
libglvnd-egl-1.0.0-1.fc26.s390x
texlive-kpathsea-svn41139-33.fc26.2.noarch
texlive-thumbpdf-bin-svn6898.0-33.20160520.fc26.2.noarch
texlive-subfig-svn15878.1.3-33.fc26.2.noarch
texlive-gsftopk-bin-svn40473-33.20160520.fc26.2.s390x
texlive-tex-ini-files-svn40533-33.fc26.2.noarch
texlive-qstest-svn15878.0-33.fc26.2.noarch
texlive-palatino-svn31835.0-33.fc26.2.noarch
texlive-ec-svn25033.1.0-33.fc26.2.noarch
texlive-iftex-svn29654.0.2-33.fc26.2.noarch
texlive-pslatex-svn16416.0-33.fc26.2.noarch
texlive-algorithms-svn38085.0.1-33.fc26.2.noarch
texlive-filehook-svn24280.0.5d-33.fc26.2.noarch
texlive-pst-node-svn40743-33.fc26.2.noarch
texlive-rotating-svn16832.2.16b-33.fc26.2.noarch
texlive-seminar-svn34011.1.62-33.fc26.2.noarch
libuuid-devel-2.30.2-1.fc26.s390x
libXinerama-devel-1.1.3-7.fc26.s390x
emacs-common-25.3-3.fc26.s390x
fedora-packager-0.6.0.1-2.fc26.noarch
snappy-devel-1.1.4-3.fc26.s390x
authconfig-7.0.1-2.fc26.s390x
newt-python3-0.52.20-1.fc26.s390x
python-decoratortools-1.8-13.fc26.noarch
python-systemd-doc-234-1.fc26.s390x
openssl-libs-1.1.0g-1.fc26.s390x
lsof-4.89-5.fc26.s390x
glibc-all-langpacks-2.25-13.fc26.s390x
audit-libs-2.8.2-1.fc26.s390x
gcc-7.3.1-2.fc26.s390x
pcre2-utf16-10.23-13.fc26.s390x
kernel-core-4.15.4-200.fc26.s390x
dracut-config-rescue-046-8.git20180105.fc26.s390x
webkitgtk4-plugin-process-gtk2-2.18.6-1.fc26.s390x
perl-Time-HiRes-1.9753-1.fc26.s390x
haveged-1.9.1-6.fc26.s390x
p11-kit-0.23.10-1.fc26.s390x
boost-system-1.63.0-11.fc26.s390x
glusterfs-fuse-3.10.11-1.fc26.s390x
vim-common-8.0.1553-1.fc26.s390x
systemtap-devel-3.2-7.fc26.s390x
perl-SelfLoader-1.23-396.fc26.noarch
nss-tools-3.36.0-1.0.fc26.s390x
libwebp-0.6.1-8.fc26.s390x
python3-configargparse-0.12.0-1.fc26.noarch
gpg-pubkey-a0a7badb-52844296
gpg-pubkey-e372e838-56fd7943
gpg-pubkey-3b921d09-57a87096
google-roboto-slab-fonts-1.100263-0.5.20150923git.fc26.noarch
libreport-filesystem-2.9.1-3.fc26.s390x
libcom_err-1.43.4-2.fc26.s390x
libffi-3.1-12.fc26.s390x
keyutils-libs-1.5.10-1.fc26.s390x
diffutils-3.5-3.fc26.s390x
apr-util-1.5.4-6.fc26.s390x
bluez-libs-5.46-6.fc26.s390x
libksba-1.3.5-3.fc26.s390x
ncurses-6.0-8.20170212.fc26.s390x
libteam-1.27-1.fc26.s390x
perl-Fedora-VSP-0.001-5.fc26.noarch
libusb-0.1.5-8.fc26.s390x
acl-2.2.52-15.fc26.s390x
dwz-0.12-3.fc26.s390x
libblkid-2.30.2-1.fc26.s390x
polkit-libs-0.113-8.fc26.s390x
dbus-python-1.2.4-6.fc26.s390x
gts-0.7.6-30.20121130.fc26.s390x
libfdisk-2.30.2-1.fc26.s390x
python3-pycparser-2.14-10.fc26.noarch
python3-bugzilla-2.1.0-1.fc26.noarch
python2-docutils-0.13.1-4.fc26.noarch
python2-requests-2.13.0-1.fc26.noarch
libcephfs-devel-10.2.7-2.fc26.s390x
ncurses-c++-libs-6.0-8.20170212.fc26.s390x
GeoIP-1.6.11-1.fc26.s390x
liblockfile-1.09-5.fc26.s390x
rpm-plugin-selinux-4.13.0.2-1.fc26.s390x
libsysfs-2.1.0-20.fc26.s390x
libdnf-0.11.1-1.fc26.s390x
mesa-libgbm-17.2.4-2.fc26.s390x
lvm2-libs-2.02.168-6.fc26.s390x
libXfixes-5.0.3-2.fc26.s390x
brlapi-0.6.6-5.fc26.s390x
texlive-metafont-svn40793-33.fc26.2.noarch
texlive-graphics-cfg-svn40269-33.fc26.2.noarch
texlive-mptopdf-svn41282-33.fc26.2.noarch
texlive-makeindex-bin-svn40473-33.20160520.fc26.2.s390x
texlive-texlive-scripts-bin-svn29741.0-33.20160520.fc26.2.noarch
texlive-sauerj-svn15878.0-33.fc26.2.noarch
texlive-txfonts-svn15878.0-33.fc26.2.noarch
texlive-filecontents-svn24250.1.3-33.fc26.2.noarch
texlive-lualibs-svn40370-33.fc26.2.noarch
texlive-section-svn20180.0-33.fc26.2.noarch
texlive-ucharcat-svn38907-33.fc26.2.noarch
texlive-hyperref-svn41396-33.fc26.2.noarch
texlive-pst-3d-svn17257.1.10-33.fc26.2.noarch
texlive-oberdiek-svn41346-33.fc26.2.noarch
texlive-ae-svn15878.1.4-33.fc26.2.noarch
texlive-collection-basic-svn41149-33.20160520.fc26.2.noarch
gnat-srpm-macros-4-2.fc26.noarch
glib2-devel-2.52.3-2.fc26.s390x
netpbm-progs-10.80.00-2.fc26.s390x
libXxf86vm-devel-1.1.4-4.fc26.s390x
nettle-devel-3.3-2.fc26.s390x
cairo-gobject-devel-1.14.10-1.fc26.s390x
fedora-rpm-macros-26-2.fc26.noarch
libidn-devel-1.33-2.fc26.s390x
s390utils-1.36.1-3.fc26.s390x
libtool-2.4.6-17.fc26.s390x
python3-cssselect-0.9.2-4.fc26.noarch
python2-cssselect-0.9.2-4.fc26.noarch
bison-3.0.4-6.fc26.s390x
rootfiles-8.1-20.fc26.noarch
python3-urllib3-1.20-2.fc26.noarch
libgcc-7.3.1-2.fc26.s390x
python3-distro-1.2.0-1.fc26.noarch
libnfsidmap-2.2.1-4.rc2.fc26.s390x
kernel-4.15.4-200.fc26.s390x
glibc-static-2.25-13.fc26.s390x
xapian-core-libs-1.4.5-1.fc26.s390x
elfutils-libelf-0.170-4.fc26.s390x
nss-3.36.0-1.0.fc26.s390x
nss-softokn-freebl-devel-3.36.0-1.0.fc26.s390x
koji-1.15.0-4.fc26.noarch
perl-Git-2.13.6-3.fc26.noarch
elfutils-default-yama-scope-0.170-4.fc26.noarch
selinux-policy-targeted-3.13.1-260.20.fc26.noarch
curl-7.53.1-16.fc26.s390x
publicsuffix-list-dafsa-20180223-1.fc26.noarch
python3-funcsigs-1.0.2-5.fc26.noarch
=== TEST BEGIN ===
Using CC: /home/fam/bin/cc
Install prefix    /var/tmp/patchew-tester-tmp-rg1lnbdu/src/install
BIOS directory    /var/tmp/patchew-tester-tmp-rg1lnbdu/src/install/share/qemu
firmware path     /var/tmp/patchew-tester-tmp-rg1lnbdu/src/install/share/qemu-firmware
binary directory  /var/tmp/patchew-tester-tmp-rg1lnbdu/src/install/bin
library directory /var/tmp/patchew-tester-tmp-rg1lnbdu/src/install/lib
module directory  /var/tmp/patchew-tester-tmp-rg1lnbdu/src/install/lib/qemu
libexec directory /var/tmp/patchew-tester-tmp-rg1lnbdu/src/install/libexec
include directory /var/tmp/patchew-tester-tmp-rg1lnbdu/src/install/include
config directory  /var/tmp/patchew-tester-tmp-rg1lnbdu/src/install/etc
local state directory   /var/tmp/patchew-tester-tmp-rg1lnbdu/src/install/var
Manual directory  /var/tmp/patchew-tester-tmp-rg1lnbdu/src/install/share/man
ELF interp prefix /usr/gnemul/qemu-%M
Source path       /var/tmp/patchew-tester-tmp-rg1lnbdu/src
GIT binary        git
GIT submodules    ui/keycodemapdb capstone
C compiler        /home/fam/bin/cc
Host C compiler   cc
C++ compiler      c++
Objective-C compiler /home/fam/bin/cc
ARFLAGS           rv
CFLAGS            -O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -g 
QEMU_CFLAGS       -I/usr/include/pixman-1   -Werror -DHAS_LIBSSH2_SFTP_FSYNC -pthread -I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include  -m64 -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -Wstrict-prototypes -Wredundant-decls -Wall -Wundef -Wwrite-strings -Wmissing-prototypes -fno-strict-aliasing -fno-common -fwrapv  -Wexpansion-to-defined -Wendif-labels -Wno-shift-negative-value -Wno-missing-include-dirs -Wempty-body -Wnested-externs -Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers -Wold-style-declaration -Wold-style-definition -Wtype-limits -fstack-protector-strong -I/usr/include/p11-kit-1     -I/usr/include/libpng16  -I/usr/include/libdrm  -I$(SRC_PATH)/capstone/include
LDFLAGS           -Wl,--warn-common -m64 -g 
make              make
install           install
python            python -B
smbd              /usr/sbin/smbd
module support    no
host CPU          s390x
host big endian   yes
target list       aarch64-softmmu alpha-softmmu arm-softmmu cris-softmmu hppa-softmmu i386-softmmu lm32-softmmu m68k-softmmu microblazeel-softmmu microblaze-softmmu mips64el-softmmu mips64-softmmu mipsel-softmmu mips-softmmu moxie-softmmu nios2-softmmu or1k-softmmu ppc64-softmmu ppcemb-softmmu ppc-softmmu riscv32-softmmu riscv64-softmmu s390x-softmmu sh4eb-softmmu sh4-softmmu sparc64-softmmu sparc-softmmu tricore-softmmu unicore32-softmmu x86_64-softmmu xtensaeb-softmmu xtensa-softmmu aarch64_be-linux-user aarch64-linux-user alpha-linux-user armeb-linux-user arm-linux-user cris-linux-user hppa-linux-user i386-linux-user m68k-linux-user microblazeel-linux-user microblaze-linux-user mips64el-linux-user mips64-linux-user mipsel-linux-user mips-linux-user mipsn32el-linux-user mipsn32-linux-user nios2-linux-user or1k-linux-user ppc64abi32-linux-user ppc64le-linux-user ppc64-linux-user ppc-linux-user riscv32-linux-user riscv64-linux-user s390x-linux-user sh4eb-linux-user sh4-linux-user sparc32plus-linux-user sparc64-linux-user sparc-linux-user tilegx-linux-user x86_64-linux-user xtensaeb-linux-user xtensa-linux-user
gprof enabled     no
sparse enabled    no
strip binaries    yes
profiler          no
static build      no
SDL support       yes (2.0.7)
GTK support       yes (3.22.21)
GTK GL support    yes
VTE support       yes (0.48.4)
TLS priority      NORMAL
GNUTLS support    yes
GNUTLS rnd        yes
libgcrypt         no
libgcrypt kdf     no
nettle            yes (3.3)
nettle kdf        yes
libtasn1          yes
curses support    yes
virgl support     yes
curl support      yes
mingw32 support   no
Audio drivers     oss
Block whitelist (rw) 
Block whitelist (ro) 
VirtFS support    yes
Multipath support no
VNC support       yes
VNC SASL support  yes
VNC JPEG support  yes
VNC PNG support   yes
xen support       no
brlapi support    yes
bluez  support    yes
Documentation     yes
PIE               no
vde support       no
netmap support    no
Linux AIO support yes
ATTR/XATTR support yes
Install blobs     yes
KVM support       yes
HAX support       no
HVF support       no
WHPX support      no
TCG support       yes
TCG debug enabled no
TCG interpreter   no
malloc trim support yes
RDMA support      no
fdt support       yes
membarrier        no
preadv support    yes
fdatasync         yes
madvise           yes
posix_madvise     yes
posix_memalign    yes
libcap-ng support yes
vhost-net support yes
vhost-crypto support yes
vhost-scsi support yes
vhost-vsock support yes
vhost-user support yes
Trace backends    log
spice support     no 
rbd support       yes
xfsctl support    no
smartcard support yes
libusb            yes
usb net redir     yes
OpenGL support    yes
OpenGL dmabufs    yes
libiscsi support  yes
libnfs support    yes
build guest agent yes
QGA VSS support   no
QGA w32 disk info no
QGA MSI support   no
seccomp support   yes
coroutine backend ucontext
coroutine pool    yes
debug stack usage no
crypto afalg      no
GlusterFS support yes
gcov              gcov
gcov enabled      no
TPM support       yes
libssh2 support   yes
TPM passthrough   no
TPM emulator      yes
QOM debugging     yes
Live block migration yes
lzo support       yes
snappy support    yes
bzip2 support     yes
NUMA host support no
libxml2           yes
tcmalloc support  no
jemalloc support  no
avx2 optimization no
replication support yes
VxHS block device no
capstone          git
  GEN     aarch64-softmmu/config-devices.mak.tmp
  GEN     alpha-softmmu/config-devices.mak.tmp
  GEN     arm-softmmu/config-devices.mak.tmp
  GEN     cris-softmmu/config-devices.mak.tmp
  GEN     cris-softmmu/config-devices.mak
  GEN     alpha-softmmu/config-devices.mak
  GEN     arm-softmmu/config-devices.mak
  GEN     aarch64-softmmu/config-devices.mak
  GEN     hppa-softmmu/config-devices.mak.tmp
  GEN     i386-softmmu/config-devices.mak.tmp
  GEN     lm32-softmmu/config-devices.mak.tmp
  GEN     m68k-softmmu/config-devices.mak.tmp
  GEN     lm32-softmmu/config-devices.mak
  GEN     m68k-softmmu/config-devices.mak
  GEN     microblazeel-softmmu/config-devices.mak.tmp
  GEN     microblaze-softmmu/config-devices.mak.tmp
  GEN     hppa-softmmu/config-devices.mak
  GEN     i386-softmmu/config-devices.mak
  GEN     mips64el-softmmu/config-devices.mak.tmp
  GEN     mips64-softmmu/config-devices.mak.tmp
  GEN     microblaze-softmmu/config-devices.mak
  GEN     microblazeel-softmmu/config-devices.mak
  GEN     mipsel-softmmu/config-devices.mak.tmp
  GEN     mips-softmmu/config-devices.mak.tmp
  GEN     mips64el-softmmu/config-devices.mak
  GEN     moxie-softmmu/config-devices.mak.tmp
  GEN     mips64-softmmu/config-devices.mak
  GEN     nios2-softmmu/config-devices.mak.tmp
  GEN     mips-softmmu/config-devices.mak
  GEN     mipsel-softmmu/config-devices.mak
  GEN     moxie-softmmu/config-devices.mak
  GEN     or1k-softmmu/config-devices.mak.tmp
  GEN     nios2-softmmu/config-devices.mak
  GEN     ppc64-softmmu/config-devices.mak.tmp
  GEN     ppcemb-softmmu/config-devices.mak.tmp
  GEN     ppc-softmmu/config-devices.mak.tmp
  GEN     or1k-softmmu/config-devices.mak
  GEN     riscv32-softmmu/config-devices.mak.tmp
  GEN     ppcemb-softmmu/config-devices.mak
  GEN     riscv64-softmmu/config-devices.mak.tmp
  GEN     ppc-softmmu/config-devices.mak
  GEN     riscv32-softmmu/config-devices.mak
  GEN     ppc64-softmmu/config-devices.mak
  GEN     s390x-softmmu/config-devices.mak.tmp
  GEN     sh4eb-softmmu/config-devices.mak.tmp
  GEN     sh4-softmmu/config-devices.mak.tmp
  GEN     riscv64-softmmu/config-devices.mak
  GEN     sparc64-softmmu/config-devices.mak.tmp
  GEN     s390x-softmmu/config-devices.mak
  GEN     sparc-softmmu/config-devices.mak.tmp
  GEN     sh4-softmmu/config-devices.mak
  GEN     sh4eb-softmmu/config-devices.mak
  GEN     unicore32-softmmu/config-devices.mak.tmp
  GEN     tricore-softmmu/config-devices.mak.tmp
  GEN     sparc64-softmmu/config-devices.mak
  GEN     sparc-softmmu/config-devices.mak
  GEN     x86_64-softmmu/config-devices.mak.tmp
  GEN     unicore32-softmmu/config-devices.mak
  GEN     xtensaeb-softmmu/config-devices.mak.tmp
  GEN     tricore-softmmu/config-devices.mak
  GEN     xtensa-softmmu/config-devices.mak.tmp
  GEN     aarch64_be-linux-user/config-devices.mak.tmp
  GEN     xtensaeb-softmmu/config-devices.mak
  GEN     xtensa-softmmu/config-devices.mak
  GEN     aarch64-linux-user/config-devices.mak.tmp
  GEN     aarch64_be-linux-user/config-devices.mak
  GEN     alpha-linux-user/config-devices.mak.tmp
  GEN     x86_64-softmmu/config-devices.mak
  GEN     aarch64-linux-user/config-devices.mak
  GEN     armeb-linux-user/config-devices.mak.tmp
  GEN     arm-linux-user/config-devices.mak.tmp
  GEN     cris-linux-user/config-devices.mak.tmp
  GEN     alpha-linux-user/config-devices.mak
  GEN     armeb-linux-user/config-devices.mak
  GEN     cris-linux-user/config-devices.mak
  GEN     hppa-linux-user/config-devices.mak.tmp
  GEN     arm-linux-user/config-devices.mak
  GEN     m68k-linux-user/config-devices.mak.tmp
  GEN     i386-linux-user/config-devices.mak.tmp
  GEN     microblazeel-linux-user/config-devices.mak.tmp
  GEN     hppa-linux-user/config-devices.mak
  GEN     i386-linux-user/config-devices.mak
  GEN     microblaze-linux-user/config-devices.mak.tmp
  GEN     m68k-linux-user/config-devices.mak
  GEN     mips64el-linux-user/config-devices.mak.tmp
  GEN     microblazeel-linux-user/config-devices.mak
  GEN     mips64-linux-user/config-devices.mak.tmp
  GEN     mipsel-linux-user/config-devices.mak.tmp
  GEN     microblaze-linux-user/config-devices.mak
  GEN     mips64el-linux-user/config-devices.mak
  GEN     mips-linux-user/config-devices.mak.tmp
  GEN     mips64-linux-user/config-devices.mak
  GEN     mipsel-linux-user/config-devices.mak
  GEN     mipsn32el-linux-user/config-devices.mak.tmp
  GEN     mipsn32-linux-user/config-devices.mak.tmp
  GEN     nios2-linux-user/config-devices.mak.tmp
  GEN     mipsn32-linux-user/config-devices.mak
  GEN     mips-linux-user/config-devices.mak
  GEN     mipsn32el-linux-user/config-devices.mak
  GEN     or1k-linux-user/config-devices.mak.tmp
  GEN     nios2-linux-user/config-devices.mak
  GEN     ppc64abi32-linux-user/config-devices.mak.tmp
  GEN     ppc64le-linux-user/config-devices.mak.tmp
  GEN     ppc64-linux-user/config-devices.mak.tmp
  GEN     ppc64abi32-linux-user/config-devices.mak
  GEN     or1k-linux-user/config-devices.mak
  GEN     ppc64le-linux-user/config-devices.mak
  GEN     ppc-linux-user/config-devices.mak.tmp
  GEN     riscv32-linux-user/config-devices.mak.tmp
  GEN     ppc64-linux-user/config-devices.mak
  GEN     ppc-linux-user/config-devices.mak
  GEN     riscv64-linux-user/config-devices.mak.tmp
  GEN     s390x-linux-user/config-devices.mak.tmp
  GEN     sh4eb-linux-user/config-devices.mak.tmp
  GEN     riscv32-linux-user/config-devices.mak
  GEN     riscv64-linux-user/config-devices.mak
  GEN     sh4-linux-user/config-devices.mak.tmp
  GEN     sparc32plus-linux-user/config-devices.mak.tmp
  GEN     sh4eb-linux-user/config-devices.mak
  GEN     s390x-linux-user/config-devices.mak
  GEN     sparc64-linux-user/config-devices.mak.tmp
  GEN     sparc-linux-user/config-devices.mak.tmp
  GEN     sparc32plus-linux-user/config-devices.mak
  GEN     sh4-linux-user/config-devices.mak
  GEN     sparc64-linux-user/config-devices.mak
  GEN     sparc-linux-user/config-devices.mak
  GEN     tilegx-linux-user/config-devices.mak.tmp
  GEN     x86_64-linux-user/config-devices.mak.tmp
  GEN     xtensaeb-linux-user/config-devices.mak.tmp
  GEN     xtensa-linux-user/config-devices.mak.tmp
  GEN     x86_64-linux-user/config-devices.mak
  GEN     tilegx-linux-user/config-devices.mak
  GEN     xtensa-linux-user/config-devices.mak
  GEN     config-host.h
  GEN     xtensaeb-linux-user/config-devices.mak
  GIT     ui/keycodemapdb capstone
  GEN     qemu-options.def
  GEN     qapi-gen
  GEN     trace/generated-tcg-tracers.h
  GEN     trace/generated-helpers-wrappers.h
  GEN     trace/generated-helpers.h
  GEN     trace/generated-helpers.c
  GEN     module_block.h
  GEN     tests/test-qapi-gen
  GEN     trace-root.h
  GEN     util/trace.h
  GEN     crypto/trace.h
  GEN     io/trace.h
  GEN     migration/trace.h
  GEN     block/trace.h
  GEN     chardev/trace.h
  GEN     hw/block/trace.h
  GEN     hw/block/dataplane/trace.h
  GEN     hw/char/trace.h
  GEN     hw/intc/trace.h
  GEN     hw/net/trace.h
  GEN     hw/rdma/trace.h
  GEN     hw/rdma/vmw/trace.h
  GEN     hw/virtio/trace.h
Submodule 'capstone' (git://git.qemu.org/capstone.git) registered for path 'capstone'
  GEN     hw/audio/trace.h
Submodule 'ui/keycodemapdb' (git://git.qemu.org/keycodemapdb.git) registered for path 'ui/keycodemapdb'
  GEN     hw/misc/trace.h
Cloning into '/var/tmp/patchew-tester-tmp-rg1lnbdu/src/capstone'...
  GEN     hw/misc/macio/trace.h
  GEN     hw/usb/trace.h
  GEN     hw/scsi/trace.h
  GEN     hw/nvram/trace.h
  GEN     hw/display/trace.h
  GEN     hw/input/trace.h
  GEN     hw/timer/trace.h
  GEN     hw/dma/trace.h
  GEN     hw/sparc/trace.h
  GEN     hw/sparc64/trace.h
  GEN     hw/sd/trace.h
  GEN     hw/isa/trace.h
  GEN     hw/mem/trace.h
  GEN     hw/i386/trace.h
  GEN     hw/i386/xen/trace.h
  GEN     hw/9pfs/trace.h
  GEN     hw/ppc/trace.h
  GEN     hw/pci/trace.h
  GEN     hw/pci-host/trace.h
  GEN     hw/s390x/trace.h
  GEN     hw/vfio/trace.h
  GEN     hw/acpi/trace.h
  GEN     hw/arm/trace.h
  GEN     hw/alpha/trace.h
  GEN     hw/hppa/trace.h
  GEN     hw/xen/trace.h
  GEN     hw/ide/trace.h
  GEN     hw/tpm/trace.h
  GEN     ui/trace.h
  GEN     audio/trace.h
  GEN     net/trace.h
  GEN     target/arm/trace.h
  GEN     target/i386/trace.h
  GEN     target/mips/trace.h
  GEN     target/sparc/trace.h
  GEN     target/s390x/trace.h
  GEN     target/ppc/trace.h
  GEN     qom/trace.h
  GEN     linux-user/trace.h
  GEN     qapi/trace.h
  GEN     accel/tcg/trace.h
  GEN     accel/kvm/trace.h
  GEN     nbd/trace.h
  GEN     scsi/trace.h
  GEN     trace-root.c
  GEN     util/trace.c
  GEN     crypto/trace.c
  GEN     io/trace.c
  GEN     migration/trace.c
  GEN     block/trace.c
  GEN     chardev/trace.c
  GEN     hw/block/trace.c
  GEN     hw/block/dataplane/trace.c
  GEN     hw/char/trace.c
  GEN     hw/intc/trace.c
  GEN     hw/net/trace.c
  GEN     hw/rdma/trace.c
  GEN     hw/rdma/vmw/trace.c
  GEN     hw/virtio/trace.c
  GEN     hw/audio/trace.c
  GEN     hw/misc/trace.c
  GEN     hw/misc/macio/trace.c
  GEN     hw/usb/trace.c
  GEN     hw/scsi/trace.c
  GEN     hw/nvram/trace.c
  GEN     hw/display/trace.c
  GEN     hw/input/trace.c
  GEN     hw/timer/trace.c
  GEN     hw/dma/trace.c
  GEN     hw/sparc/trace.c
  GEN     hw/sparc64/trace.c
  GEN     hw/sd/trace.c
  GEN     hw/isa/trace.c
  GEN     hw/mem/trace.c
  GEN     hw/i386/trace.c
  GEN     hw/i386/xen/trace.c
  GEN     hw/9pfs/trace.c
  GEN     hw/ppc/trace.c
  GEN     hw/pci/trace.c
  GEN     hw/pci-host/trace.c
  GEN     hw/s390x/trace.c
  GEN     hw/vfio/trace.c
  GEN     hw/acpi/trace.c
  GEN     hw/arm/trace.c
  GEN     hw/alpha/trace.c
  GEN     hw/hppa/trace.c
  GEN     hw/xen/trace.c
  GEN     hw/ide/trace.c
  GEN     hw/tpm/trace.c
  GEN     ui/trace.c
  GEN     audio/trace.c
  GEN     net/trace.c
  GEN     target/arm/trace.c
  GEN     target/i386/trace.c
  GEN     target/mips/trace.c
  GEN     target/sparc/trace.c
  GEN     target/s390x/trace.c
  GEN     target/ppc/trace.c
  GEN     qom/trace.c
  GEN     linux-user/trace.c
  GEN     qapi/trace.c
  GEN     accel/tcg/trace.c
  GEN     accel/kvm/trace.c
  GEN     nbd/trace.c
  GEN     scsi/trace.c
  GEN     config-all-devices.mak
Cloning into '/var/tmp/patchew-tester-tmp-rg1lnbdu/src/ui/keycodemapdb'...
  GEN     ui/input-keymap-atset1-to-qcode.c
  GEN     ui/input-keymap-linux-to-qcode.c
  GEN     ui/input-keymap-qcode-to-atset1.c
  CC      cs.o
  GEN     ui/input-keymap-qcode-to-atset2.c
  GEN     ui/input-keymap-qcode-to-atset3.c
  GEN     ui/input-keymap-qcode-to-linux.c
  GEN     ui/input-keymap-qcode-to-qnum.c
  GEN     ui/input-keymap-qcode-to-sun.c
  GEN     ui/input-keymap-qnum-to-qcode.c
  GEN     ui/input-keymap-usb-to-qcode.c
  GEN     ui/input-keymap-win32-to-qcode.c
  CC      utils.o
  GEN     ui/input-keymap-x11-to-qcode.c
  GEN     ui/input-keymap-xorgevdev-to-qcode.c
  GEN     ui/input-keymap-xorgkbd-to-qcode.c
  GEN     ui/input-keymap-xorgxquartz-to-qcode.c
  CC      SStream.o
  CC      MCInstrDesc.o
  GEN     ui/input-keymap-xorgxwin-to-qcode.c
  CC      MCRegisterInfo.o
  CC      arch/ARM/ARMDisassembler.o
  CC      arch/ARM/ARMInstPrinter.o
  CC      arch/ARM/ARMMapping.o
  CC      arch/ARM/ARMModule.o
  CC      arch/AArch64/AArch64BaseInfo.o
  CC      arch/AArch64/AArch64Disassembler.o
  CC      arch/AArch64/AArch64InstPrinter.o
  CC      arch/AArch64/AArch64Mapping.o
  CC      arch/AArch64/AArch64Module.o
  CC      arch/Mips/MipsDisassembler.o
  CC      arch/Mips/MipsInstPrinter.o
  CC      arch/Mips/MipsMapping.o
  CC      arch/Mips/MipsModule.o
  CC      arch/PowerPC/PPCDisassembler.o
  CC      arch/PowerPC/PPCInstPrinter.o
  CC      arch/PowerPC/PPCMapping.o
  CC      arch/PowerPC/PPCModule.o
  CC      arch/Sparc/SparcDisassembler.o
  CC      arch/Sparc/SparcInstPrinter.o
  CC      arch/Sparc/SparcMapping.o
  CC      arch/Sparc/SparcModule.o
  CC      arch/SystemZ/SystemZDisassembler.o
  CC      arch/SystemZ/SystemZInstPrinter.o
  CC      arch/SystemZ/SystemZMapping.o
  CC      arch/SystemZ/SystemZModule.o
  CC      arch/SystemZ/SystemZMCTargetDesc.o
  CC      arch/X86/X86DisassemblerDecoder.o
  CC      arch/X86/X86Disassembler.o
  CC      arch/X86/X86IntelInstPrinter.o
  CC      arch/X86/X86ATTInstPrinter.o
  CC      arch/X86/X86Mapping.o
  CC      arch/X86/X86Module.o
  CC      arch/XCore/XCoreDisassembler.o
  CC      arch/XCore/XCoreInstPrinter.o
  CC      arch/XCore/XCoreMapping.o
  CC      arch/XCore/XCoreModule.o
  CC      MCInst.o
  AR      libcapstone.a
ar: creating /var/tmp/patchew-tester-tmp-rg1lnbdu/src/build/capstone/libcapstone.a
  GEN     docs/version.texi
  CC      tests/qemu-iotests/socket_scm_helper.o
  GEN     qemu-options.texi
  GEN     qemu-monitor.texi
  GEN     qemu-img-cmds.texi
  GEN     qemu-monitor-info.texi
  GEN     qemu-img.1
  GEN     qemu-nbd.8
  GEN     qemu-ga.8
  GEN     qga/qapi-generated/qapi-gen
  GEN     docs/qemu-block-drivers.7
  GEN     fsdev/virtfs-proxy-helper.1
  CC      qapi/qapi-builtin-types.o
  CC      qapi/qapi-types.o
  CC      qapi/qapi-types-block-core.o
  CC      qapi/qapi-types-block.o
  CC      qapi/qapi-types-char.o
  CC      qapi/qapi-types-common.o
  CC      qapi/qapi-types-crypto.o
  CC      qapi/qapi-types-introspect.o
  CC      qapi/qapi-types-migration.o
  CC      qapi/qapi-types-misc.o
  CC      qapi/qapi-types-net.o
  CC      qapi/qapi-types-rocker.o
  CC      qapi/qapi-types-run-state.o
  CC      qapi/qapi-types-sockets.o
  CC      qapi/qapi-types-tpm.o
  CC      qapi/qapi-types-trace.o
  CC      qapi/qapi-types-transaction.o
  CC      qapi/qapi-types-ui.o
  CC      qapi/qapi-builtin-visit.o
  CC      qapi/qapi-visit.o
  CC      qapi/qapi-visit-block-core.o
  CC      qapi/qapi-visit-block.o
  CC      qapi/qapi-visit-char.o
  CC      qapi/qapi-visit-common.o
  CC      qapi/qapi-visit-crypto.o
  CC      qapi/qapi-visit-introspect.o
  CC      qapi/qapi-visit-migration.o
  CC      qapi/qapi-visit-misc.o
  CC      qapi/qapi-visit-net.o
  CC      qapi/qapi-visit-rocker.o
  CC      qapi/qapi-visit-run-state.o
  CC      qapi/qapi-visit-sockets.o
  CC      qapi/qapi-visit-tpm.o
  CC      qapi/qapi-visit-trace.o
  CC      qapi/qapi-visit-transaction.o
  CC      qapi/qapi-visit-ui.o
  CC      qapi/qapi-events.o
  CC      qapi/qapi-events-block-core.o
  CC      qapi/qapi-events-block.o
  CC      qapi/qapi-events-char.o
  CC      qapi/qapi-events-common.o
  CC      qapi/qapi-events-crypto.o
  CC      qapi/qapi-events-migration.o
  CC      qapi/qapi-events-introspect.o
  CC      qapi/qapi-events-misc.o
  CC      qapi/qapi-events-net.o
  CC      qapi/qapi-events-rocker.o
  CC      qapi/qapi-events-run-state.o
  CC      qapi/qapi-events-sockets.o
  CC      qapi/qapi-events-tpm.o
  CC      qapi/qapi-events-trace.o
  CC      qapi/qapi-events-transaction.o
  CC      qapi/qapi-events-ui.o
  CC      qapi/qapi-introspect.o
  CC      qapi/qapi-visit-core.o
  CC      qapi/qapi-dealloc-visitor.o
  CC      qapi/qobject-input-visitor.o
  CC      qapi/qobject-output-visitor.o
  CC      qapi/qmp-registry.o
  CC      qapi/qmp-dispatch.o
  CC      qapi/string-input-visitor.o
  CC      qapi/string-output-visitor.o
  CC      qapi/opts-visitor.o
  CC      qapi/qapi-clone-visitor.o
  CC      qapi/qmp-event.o
  CC      qapi/qapi-util.o
  CC      qobject/qnull.o
  CC      qobject/qnum.o
  CC      qobject/qstring.o
  CC      qobject/qdict.o
  CC      qobject/qlist.o
  CC      qobject/qbool.o
  CC      qobject/qlit.o
  CC      qobject/qjson.o
  CC      qobject/qobject.o
  CC      qobject/json-lexer.o
  CC      qobject/json-streamer.o
  CC      qobject/json-parser.o
  CC      trace/control.o
  CC      trace/qmp.o
  CC      util/osdep.o
  CC      util/cutils.o
  CC      util/unicode.o
  CC      util/qemu-timer-common.o
  CC      util/bufferiszero.o
  CC      util/lockcnt.o
  CC      util/aiocb.o
  CC      util/async.o
  CC      util/aio-wait.o
  CC      util/thread-pool.o
  CC      util/qemu-timer.o
  CC      util/main-loop.o
  CC      util/iohandler.o
  CC      util/aio-posix.o
  CC      util/compatfd.o
  CC      util/event_notifier-posix.o
  CC      util/mmap-alloc.o
  CC      util/oslib-posix.o
  CC      util/qemu-openpty.o
  CC      util/qemu-thread-posix.o
  CC      util/memfd.o
  CC      util/envlist.o
  CC      util/path.o
  CC      util/module.o
  CC      util/host-utils.o
  CC      util/bitmap.o
  CC      util/bitops.o
  CC      util/hbitmap.o
  CC      util/fifo8.o
  CC      util/acl.o
  CC      util/cacheinfo.o
  CC      util/error.o
  CC      util/qemu-error.o
  CC      util/id.o
  CC      util/iov.o
  CC      util/qemu-config.o
  CC      util/qemu-sockets.o
  CC      util/uri.o
  CC      util/notify.o
  CC      util/qemu-option.o
  CC      util/qemu-progress.o
  CC      util/keyval.o
  CC      util/hexdump.o
  CC      util/crc32c.o
  CC      util/uuid.o
  CC      util/throttle.o
  CC      util/getauxval.o
  CC      util/readline.o
  CC      util/rcu.o
  CC      util/qemu-coroutine.o
  CC      util/qemu-coroutine-lock.o
  CC      util/qemu-coroutine-io.o
  CC      util/qemu-coroutine-sleep.o
  CC      util/coroutine-ucontext.o
  CC      util/buffer.o
  CC      util/timed-average.o
  CC      util/base64.o
  CC      util/log.o
  CC      util/pagesize.o
  CC      util/qdist.o
  CC      util/qht.o
  CC      util/range.o
  CC      util/stats64.o
  CC      util/systemd.o
  CC      util/vfio-helpers.o
  CC      trace-root.o
  CC      util/trace.o
  CC      crypto/trace.o
  CC      io/trace.o
  CC      migration/trace.o
  CC      block/trace.o
  CC      chardev/trace.o
  CC      hw/block/trace.o
  CC      hw/block/dataplane/trace.o
  CC      hw/char/trace.o
  CC      hw/intc/trace.o
  CC      hw/net/trace.o
  CC      hw/rdma/trace.o
  CC      hw/rdma/vmw/trace.o
  CC      hw/virtio/trace.o
  CC      hw/audio/trace.o
  CC      hw/misc/trace.o
  CC      hw/misc/macio/trace.o
  CC      hw/usb/trace.o
  CC      hw/scsi/trace.o
  CC      hw/nvram/trace.o
  CC      hw/display/trace.o
  CC      hw/input/trace.o
  CC      hw/timer/trace.o
  CC      hw/dma/trace.o
  CC      hw/sparc/trace.o
  CC      hw/sparc64/trace.o
  CC      hw/sd/trace.o
  CC      hw/isa/trace.o
  CC      hw/mem/trace.o
  CC      hw/i386/trace.o
  CC      hw/i386/xen/trace.o
  CC      hw/9pfs/trace.o
  CC      hw/ppc/trace.o
  CC      hw/pci/trace.o
  CC      hw/pci-host/trace.o
  CC      hw/s390x/trace.o
  CC      hw/vfio/trace.o
  CC      hw/acpi/trace.o
  CC      hw/arm/trace.o
  CC      hw/alpha/trace.o
  CC      hw/hppa/trace.o
  CC      hw/xen/trace.o
  CC      hw/ide/trace.o
  CC      hw/tpm/trace.o
  CC      ui/trace.o
  CC      audio/trace.o
  CC      net/trace.o
  CC      target/arm/trace.o
  CC      target/i386/trace.o
  CC      target/mips/trace.o
  CC      target/sparc/trace.o
  CC      target/s390x/trace.o
  CC      target/ppc/trace.o
  CC      qom/trace.o
  CC      linux-user/trace.o
  CC      qapi/trace.o
  CC      accel/tcg/trace.o
  CC      accel/kvm/trace.o
  CC      nbd/trace.o
  CC      scsi/trace.o
  CC      crypto/pbkdf-stub.o
  CC      stubs/arch-query-cpu-def.o
  CC      stubs/arch-query-cpu-model-expansion.o
  CC      stubs/arch-query-cpu-model-comparison.o
  CC      stubs/arch-query-cpu-model-baseline.o
  CC      stubs/bdrv-next-monitor-owned.o
  CC      stubs/blk-commit-all.o
  CC      stubs/blockdev-close-all-bdrv-states.o
  CC      stubs/clock-warp.o
  CC      stubs/cpu-get-clock.o
  CC      stubs/cpu-get-icount.o
  CC      stubs/dump.o
  CC      stubs/error-printf.o
  CC      stubs/fdset.o
  CC      stubs/gdbstub.o
  CC      stubs/get-vm-name.o
  CC      stubs/iothread.o
  CC      stubs/iothread-lock.o
  CC      stubs/is-daemonized.o
  CC      stubs/linux-aio.o
  CC      stubs/machine-init-done.o
  CC      stubs/migr-blocker.o
  CC      stubs/change-state-handler.o
  CC      stubs/monitor.o
  CC      stubs/notify-event.o
  CC      stubs/qtest.o
  CC      stubs/replay.o
  CC      stubs/runstate-check.o
  CC      stubs/set-fd-handler.o
  CC      stubs/slirp.o
  CC      stubs/sysbus.o
  CC      stubs/tpm.o
  CC      stubs/trace-control.o
  CC      stubs/uuid.o
  CC      stubs/vm-stop.o
  CC      stubs/vmstate.o
  CC      stubs/qmp_memory_device.o
  CC      stubs/target-monitor-defs.o
  CC      stubs/target-get-monitor-def.o
  CC      stubs/pc_madt_cpu_entry.o
  CC      stubs/vmgenid.o
  CC      stubs/xen-common.o
  CC      stubs/xen-hvm.o
  CC      stubs/pci-host-piix.o
  CC      stubs/ram-block.o
  CC      qemu-keymap.o
  CC      ui/input-keymap.o
  CC      contrib/ivshmem-client/ivshmem-client.o
  CC      contrib/ivshmem-client/main.o
  CC      contrib/ivshmem-server/ivshmem-server.o
  CC      contrib/ivshmem-server/main.o
  CC      qemu-nbd.o
  CC      block.o
  CC      blockjob.o
  CC      qemu-io-cmds.o
  CC      replication.o
  CC      block/raw-format.o
  CC      block/qcow.o
  CC      block/vdi.o
  CC      block/vmdk.o
  CC      block/cloop.o
  CC      block/bochs.o
  CC      block/vpc.o
  CC      block/vvfat.o
/var/tmp/patchew-tester-tmp-rg1lnbdu/src/block/vmdk.c: In function ‘vmdk_co_do_create’:
/var/tmp/patchew-tester-tmp-rg1lnbdu/src/block/vmdk.c:2153:8: error: ‘blk’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
     if (blk) {
        ^
cc1: all warnings being treated as errors
  CC      block/dmg.o
make: *** [/var/tmp/patchew-tester-tmp-rg1lnbdu/src/rules.mak:66: block/vmdk.o] Error 1
make: *** Waiting for unfinished jobs....
=== OUTPUT END ===

Test command exited with code: 2


---
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Please send your feedback to patchew-devel@redhat.com

Re: [Qemu-devel] [PATCH 0/5] vmdk: Implement x-blockdev-create

[Fam Zheng]

On Tue, 05/08 23:08, no-reply@patchew.org wrote:
> /var/tmp/patchew-tester-tmp-rg1lnbdu/src/block/vmdk.c: In function ‘vmdk_co_do_create’:
> /var/tmp/patchew-tester-tmp-rg1lnbdu/src/block/vmdk.c:2153:8: error: ‘blk’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
>      if (blk) {
>         ^
> cc1: all warnings being treated as errors

It's a genuine bug. blk should be initialized to NULL.

>   CC      block/dmg.o
> make: *** [/var/tmp/patchew-tester-tmp-rg1lnbdu/src/rules.mak:66: block/vmdk.o] Error 1
> make: *** Waiting for unfinished jobs....
> === OUTPUT END ===
> 
> Test command exited with code: 2
> 
> 
> ---
> Email generated automatically by Patchew [http://patchew.org/].
> Please send your feedback to patchew-devel@redhat.com

Re: [Qemu-devel] [PATCH 0/5] vmdk: Implement x-blockdev-create

[no-reply]

Hi,

This series failed docker-mingw@fedora build test. Please find the testing commands and
their output below. If you have Docker installed, you can probably reproduce it
locally.

Type: series
Message-id: 20180509055802.28423-1-famz@redhat.com
Subject: [Qemu-devel] [PATCH 0/5] vmdk: Implement x-blockdev-create

=== TEST SCRIPT BEGIN ===
#!/bin/bash
set -e
git submodule update --init dtc
# Let docker tests dump environment info
export SHOW_ENV=1
export J=8
time make docker-test-mingw@fedora
=== TEST SCRIPT END ===

Updating 3c8cf5a9c21ff8782164d1def7f44bd888713384
Switched to a new branch 'test'
eb486f53b0 iotests: Add VMDK tests for blockdev-create
910c2bef5d iotests: Filter cid numbers in VMDK extent info
631b2abe10 vmdk: Implement .bdrv_co_create callback
64e4a1dba0 vmdk: Refactor vmdk_create_extent
7ada1cb437 qapi: Add qapi_enum_parse_full

=== OUTPUT BEGIN ===
Submodule 'dtc' (git://git.qemu-project.org/dtc.git) registered for path 'dtc'
Cloning into '/var/tmp/patchew-tester-tmp-ijg2dqov/src/dtc'...
Submodule path 'dtc': checked out 'e54388015af1fb4bf04d0bca99caba1074d9cc42'
  BUILD   fedora
make[1]: Entering directory '/var/tmp/patchew-tester-tmp-ijg2dqov/src'
  GEN     /var/tmp/patchew-tester-tmp-ijg2dqov/src/docker-src.2018-05-09-02.07.55.25371/qemu.tar
Cloning into '/var/tmp/patchew-tester-tmp-ijg2dqov/src/docker-src.2018-05-09-02.07.55.25371/qemu.tar.vroot'...
done.
Your branch is up-to-date with 'origin/test'.
Submodule 'dtc' (git://git.qemu-project.org/dtc.git) registered for path 'dtc'
Cloning into '/var/tmp/patchew-tester-tmp-ijg2dqov/src/docker-src.2018-05-09-02.07.55.25371/qemu.tar.vroot/dtc'...
Submodule path 'dtc': checked out 'e54388015af1fb4bf04d0bca99caba1074d9cc42'
Submodule 'ui/keycodemapdb' (git://git.qemu.org/keycodemapdb.git) registered for path 'ui/keycodemapdb'
Cloning into '/var/tmp/patchew-tester-tmp-ijg2dqov/src/docker-src.2018-05-09-02.07.55.25371/qemu.tar.vroot/ui/keycodemapdb'...
Submodule path 'ui/keycodemapdb': checked out '6b3d716e2b6472eb7189d3220552280ef3d832ce'
  COPY    RUNNER
    RUN test-mingw in qemu:fedora 
Packages installed:
PyYAML-3.12-5.fc27.x86_64
SDL2-devel-2.0.7-2.fc27.x86_64
bc-1.07.1-3.fc27.x86_64
bison-3.0.4-8.fc27.x86_64
bluez-libs-devel-5.48-3.fc27.x86_64
brlapi-devel-0.6.6-8.fc27.x86_64
bzip2-1.0.6-24.fc27.x86_64
bzip2-devel-1.0.6-24.fc27.x86_64
ccache-3.3.6-1.fc27.x86_64
clang-5.0.1-5.fc27.x86_64
device-mapper-multipath-devel-0.7.1-9.git847cc43.fc27.x86_64
findutils-4.6.0-16.fc27.x86_64
flex-2.6.1-5.fc27.x86_64
gcc-7.3.1-5.fc27.x86_64
gcc-c++-7.3.1-5.fc27.x86_64
gettext-0.19.8.1-12.fc27.x86_64
git-2.14.3-3.fc27.x86_64
glib2-devel-2.54.3-2.fc27.x86_64
glusterfs-api-devel-3.12.7-1.fc27.x86_64
gnutls-devel-3.5.18-2.fc27.x86_64
gtk3-devel-3.22.26-2.fc27.x86_64
hostname-3.18-4.fc27.x86_64
libaio-devel-0.3.110-9.fc27.x86_64
libasan-7.3.1-5.fc27.x86_64
libattr-devel-2.4.47-21.fc27.x86_64
libcap-devel-2.25-7.fc27.x86_64
libcap-ng-devel-0.7.8-5.fc27.x86_64
libcurl-devel-7.55.1-10.fc27.x86_64
libfdt-devel-1.4.6-1.fc27.x86_64
libpng-devel-1.6.31-1.fc27.x86_64
librbd-devel-12.2.4-1.fc27.x86_64
libssh2-devel-1.8.0-5.fc27.x86_64
libubsan-7.3.1-5.fc27.x86_64
libusbx-devel-1.0.21-4.fc27.x86_64
libxml2-devel-2.9.7-1.fc27.x86_64
llvm-5.0.1-6.fc27.x86_64
lzo-devel-2.08-11.fc27.x86_64
make-4.2.1-4.fc27.x86_64
mingw32-SDL-1.2.15-9.fc27.noarch
mingw32-bzip2-1.0.6-9.fc27.noarch
mingw32-curl-7.54.1-2.fc27.noarch
mingw32-glib2-2.54.1-1.fc27.noarch
mingw32-gmp-6.1.2-2.fc27.noarch
mingw32-gnutls-3.5.13-2.fc27.noarch
mingw32-gtk2-2.24.31-4.fc27.noarch
mingw32-gtk3-3.22.16-1.fc27.noarch
mingw32-libjpeg-turbo-1.5.1-3.fc27.noarch
mingw32-libpng-1.6.29-2.fc27.noarch
mingw32-libssh2-1.8.0-3.fc27.noarch
mingw32-libtasn1-4.13-1.fc27.noarch
mingw32-nettle-3.3-3.fc27.noarch
mingw32-pixman-0.34.0-3.fc27.noarch
mingw32-pkg-config-0.28-9.fc27.x86_64
mingw64-SDL-1.2.15-9.fc27.noarch
mingw64-bzip2-1.0.6-9.fc27.noarch
mingw64-curl-7.54.1-2.fc27.noarch
mingw64-glib2-2.54.1-1.fc27.noarch
mingw64-gmp-6.1.2-2.fc27.noarch
mingw64-gnutls-3.5.13-2.fc27.noarch
mingw64-gtk2-2.24.31-4.fc27.noarch
mingw64-gtk3-3.22.16-1.fc27.noarch
mingw64-libjpeg-turbo-1.5.1-3.fc27.noarch
mingw64-libpng-1.6.29-2.fc27.noarch
mingw64-libssh2-1.8.0-3.fc27.noarch
mingw64-libtasn1-4.13-1.fc27.noarch
mingw64-nettle-3.3-3.fc27.noarch
mingw64-pixman-0.34.0-3.fc27.noarch
mingw64-pkg-config-0.28-9.fc27.x86_64
ncurses-devel-6.0-13.20170722.fc27.x86_64
nettle-devel-3.4-1.fc27.x86_64
nss-devel-3.36.0-1.0.fc27.x86_64
numactl-devel-2.0.11-5.fc27.x86_64
package libjpeg-devel is not installed
perl-5.26.1-403.fc27.x86_64
pixman-devel-0.34.0-4.fc27.x86_64
python3-3.6.2-13.fc27.x86_64
snappy-devel-1.1.4-5.fc27.x86_64
sparse-0.5.1-2.fc27.x86_64
spice-server-devel-0.14.0-1.fc27.x86_64
systemtap-sdt-devel-3.2-3.fc27.x86_64
tar-1.29-7.fc27.x86_64
usbredir-devel-0.7.1-5.fc27.x86_64
virglrenderer-devel-0.6.0-3.20170210git76b3da97b.fc27.x86_64
vte3-devel-0.36.5-5.fc27.x86_64
which-2.21-4.fc27.x86_64
xen-devel-4.9.1-5.fc27.x86_64
zlib-devel-1.2.11-4.fc27.x86_64

Environment variables:
TARGET_LIST=
PACKAGES=ccache gettext git tar PyYAML sparse flex bison python3 bzip2 hostname     gcc gcc-c++ llvm clang make perl which bc findutils glib2-devel     libaio-devel pixman-devel zlib-devel libfdt-devel libasan libubsan     bluez-libs-devel brlapi-devel bzip2-devel     device-mapper-multipath-devel glusterfs-api-devel gnutls-devel     gtk3-devel libattr-devel libcap-devel libcap-ng-devel libcurl-devel     libjpeg-devel libpng-devel librbd-devel libssh2-devel libusbx-devel     libxml2-devel lzo-devel ncurses-devel nettle-devel nss-devel     numactl-devel SDL2-devel snappy-devel spice-server-devel     systemtap-sdt-devel usbredir-devel virglrenderer-devel vte3-devel     xen-devel     mingw32-pixman mingw32-glib2 mingw32-gmp mingw32-SDL mingw32-pkg-config     mingw32-gtk2 mingw32-gtk3 mingw32-gnutls mingw32-nettle mingw32-libtasn1     mingw32-libjpeg-turbo mingw32-libpng mingw32-curl mingw32-libssh2     mingw32-bzip2     mingw64-pixman mingw64-glib2 mingw64-gmp mingw64-SDL mingw64-pkg-config     mingw64-gtk2 mingw64-gtk3 mingw64-gnutls mingw64-nettle mingw64-libtasn1     mingw64-libjpeg-turbo mingw64-libpng mingw64-curl mingw64-libssh2     mingw64-bzip2
J=8
V=
HOSTNAME=245659fc2baa
DEBUG=
SHOW_ENV=1
PWD=/
HOME=/root
CCACHE_DIR=/var/tmp/ccache
DISTTAG=f27container
QEMU_CONFIGURE_OPTS=--python=/usr/bin/python3
FGC=f27
TEST_DIR=/tmp/qemu-test
SHLVL=1
FEATURES=mingw clang pyyaml asan dtc
PATH=/usr/lib/ccache:/usr/lib64/ccache:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
MAKEFLAGS= -j8
EXTRA_CONFIGURE_OPTS=
_=/usr/bin/env

Configure options:
--enable-werror --target-list=x86_64-softmmu,aarch64-softmmu --prefix=/tmp/qemu-test/install --python=/usr/bin/python3 --cross-prefix=x86_64-w64-mingw32- --enable-trace-backends=simple --enable-gnutls --enable-nettle --enable-curl --enable-vnc --enable-bzip2 --enable-guest-agent --with-sdlabi=1.2 --with-gtkabi=2.0
Install prefix    /tmp/qemu-test/install
BIOS directory    /tmp/qemu-test/install
firmware path     /tmp/qemu-test/install/share/qemu-firmware
binary directory  /tmp/qemu-test/install
library directory /tmp/qemu-test/install/lib
module directory  /tmp/qemu-test/install/lib
libexec directory /tmp/qemu-test/install/libexec
include directory /tmp/qemu-test/install/include
config directory  /tmp/qemu-test/install
local state directory   queried at runtime
Windows SDK       no
Source path       /tmp/qemu-test/src
GIT binary        git
GIT submodules    
C compiler        x86_64-w64-mingw32-gcc
Host C compiler   cc
C++ compiler      x86_64-w64-mingw32-g++
Objective-C compiler clang
ARFLAGS           rv
CFLAGS            -O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -g 
QEMU_CFLAGS       -I/usr/x86_64-w64-mingw32/sys-root/mingw/include/pixman-1  -I$(SRC_PATH)/dtc/libfdt -Werror -DHAS_LIBSSH2_SFTP_FSYNC -mms-bitfields -I/usr/x86_64-w64-mingw32/sys-root/mingw/include/glib-2.0 -I/usr/x86_64-w64-mingw32/sys-root/mingw/lib/glib-2.0/include -I/usr/x86_64-w64-mingw32/sys-root/mingw/include  -m64 -mcx16 -mthreads -D__USE_MINGW_ANSI_STDIO=1 -DWIN32_LEAN_AND_MEAN -DWINVER=0x501 -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -Wstrict-prototypes -Wredundant-decls -Wall -Wundef -Wwrite-strings -Wmissing-prototypes -fno-strict-aliasing -fno-common -fwrapv  -Wexpansion-to-defined -Wendif-labels -Wno-shift-negative-value -Wno-missing-include-dirs -Wempty-body -Wnested-externs -Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers -Wold-style-declaration -Wold-style-definition -Wtype-limits -fstack-protector-strong -I/usr/x86_64-w64-mingw32/sys-root/mingw/include -I/usr/x86_64-w64-mingw32/sys-root/mingw/include/p11-kit-1 -I/usr/x86_64-w64-mingw32/sys-root/mingw/include  -I/usr/x86_64-w64-mingw32/sys-root/mingw/include   -I/usr/x86_64-w64-mingw32/sys-root/mingw/include/libpng16 
LDFLAGS           -Wl,--nxcompat -Wl,--no-seh -Wl,--dynamicbase -Wl,--warn-common -m64 -g 
make              make
install           install
python            /usr/bin/python3 -B
smbd              /usr/sbin/smbd
module support    no
host CPU          x86_64
host big endian   no
target list       x86_64-softmmu aarch64-softmmu
gprof enabled     no
sparse enabled    no
strip binaries    yes
profiler          no
static build      no
SDL support       yes (1.2.15)
GTK support       yes (2.24.31)
GTK GL support    no
VTE support       no 
TLS priority      NORMAL
GNUTLS support    yes
GNUTLS rnd        yes
libgcrypt         no
libgcrypt kdf     no
nettle            yes (3.3)
nettle kdf        yes
libtasn1          yes
curses support    no
virgl support     no
curl support      yes
mingw32 support   yes
Audio drivers     dsound
Block whitelist (rw) 
Block whitelist (ro) 
VirtFS support    no
Multipath support no
VNC support       yes
VNC SASL support  no
VNC JPEG support  yes
VNC PNG support   yes
xen support       no
brlapi support    no
bluez  support    no
Documentation     no
PIE               no
vde support       no
netmap support    no
Linux AIO support no
ATTR/XATTR support no
Install blobs     yes
KVM support       no
HAX support       yes
HVF support       no
WHPX support      no
TCG support       yes
TCG debug enabled no
TCG interpreter   no
malloc trim support no
RDMA support      no
fdt support       yes
membarrier        no
preadv support    no
fdatasync         no
madvise           no
posix_madvise     no
posix_memalign    no
libcap-ng support no
vhost-net support no
vhost-crypto support no
vhost-scsi support no
vhost-vsock support no
vhost-user support no
Trace backends    simple
Trace output file trace-<pid>
spice support     no 
rbd support       no
xfsctl support    no
smartcard support no
libusb            no
usb net redir     no
OpenGL support    no
OpenGL dmabufs    no
libiscsi support  no
libnfs support    no
build guest agent yes
QGA VSS support   no
QGA w32 disk info yes
QGA MSI support   no
seccomp support   no
coroutine backend win32
coroutine pool    yes
debug stack usage no
crypto afalg      no
GlusterFS support no
gcov              gcov
gcov enabled      no
TPM support       yes
libssh2 support   yes
TPM passthrough   no
TPM emulator      no
QOM debugging     yes
Live block migration yes
lzo support       no
snappy support    no
bzip2 support     yes
NUMA host support no
libxml2           no
tcmalloc support  no
jemalloc support  no
avx2 optimization yes
replication support yes
VxHS block device no
capstone          no

WARNING: Use of GTK 2.0 is deprecated and will be removed in
WARNING: future releases. Please switch to using GTK 3.0

WARNING: Use of SDL 1.2 is deprecated and will be removed in
WARNING: future releases. Please switch to using SDL 2.0
mkdir -p dtc/libfdt
mkdir -p dtc/tests
  GEN     x86_64-softmmu/config-devices.mak.tmp
  GEN     aarch64-softmmu/config-devices.mak.tmp
  GEN     config-host.h
  GEN     qemu-options.def
  GEN     qapi-gen
  GEN     trace/generated-tcg-tracers.h
  GEN     trace/generated-helpers-wrappers.h
  GEN     trace/generated-helpers.h
  GEN     trace/generated-helpers.c
  GEN     x86_64-softmmu/config-devices.mak
  GEN     aarch64-softmmu/config-devices.mak
  GEN     module_block.h
  GEN     ui/input-keymap-atset1-to-qcode.c
  GEN     ui/input-keymap-linux-to-qcode.c
  GEN     ui/input-keymap-qcode-to-atset1.c
  GEN     ui/input-keymap-qcode-to-atset2.c
  GEN     ui/input-keymap-qcode-to-atset3.c
  GEN     ui/input-keymap-qcode-to-linux.c
  GEN     ui/input-keymap-qcode-to-qnum.c
  GEN     ui/input-keymap-qnum-to-qcode.c
  GEN     ui/input-keymap-qcode-to-sun.c
  GEN     ui/input-keymap-usb-to-qcode.c
  GEN     ui/input-keymap-win32-to-qcode.c
  GEN     ui/input-keymap-x11-to-qcode.c
  GEN     ui/input-keymap-xorgevdev-to-qcode.c
  GEN     ui/input-keymap-xorgkbd-to-qcode.c
  GEN     ui/input-keymap-xorgxquartz-to-qcode.c
  GEN     ui/input-keymap-xorgxwin-to-qcode.c
  GEN     tests/test-qapi-gen
  GEN     trace-root.h
  GEN     util/trace.h
  GEN     crypto/trace.h
  GEN     io/trace.h
  GEN     migration/trace.h
  GEN     block/trace.h
  GEN     chardev/trace.h
  GEN     hw/block/trace.h
  GEN     hw/block/dataplane/trace.h
  GEN     hw/char/trace.h
  GEN     hw/intc/trace.h
  GEN     hw/net/trace.h
  GEN     hw/rdma/trace.h
  GEN     hw/rdma/vmw/trace.h
  GEN     hw/virtio/trace.h
  GEN     hw/audio/trace.h
  GEN     hw/misc/trace.h
  GEN     hw/misc/macio/trace.h
  GEN     hw/usb/trace.h
  GEN     hw/scsi/trace.h
  GEN     hw/nvram/trace.h
  GEN     hw/display/trace.h
  GEN     hw/input/trace.h
  GEN     hw/timer/trace.h
  GEN     hw/dma/trace.h
  GEN     hw/sparc/trace.h
  GEN     hw/sparc64/trace.h
  GEN     hw/sd/trace.h
  GEN     hw/isa/trace.h
  GEN     hw/mem/trace.h
  GEN     hw/i386/trace.h
  GEN     hw/i386/xen/trace.h
  GEN     hw/9pfs/trace.h
  GEN     hw/ppc/trace.h
  GEN     hw/pci/trace.h
  GEN     hw/pci-host/trace.h
  GEN     hw/s390x/trace.h
  GEN     hw/vfio/trace.h
  GEN     hw/acpi/trace.h
  GEN     hw/arm/trace.h
  GEN     hw/alpha/trace.h
  GEN     hw/hppa/trace.h
  GEN     hw/xen/trace.h
  GEN     hw/ide/trace.h
  GEN     hw/tpm/trace.h
  GEN     ui/trace.h
  GEN     audio/trace.h
  GEN     net/trace.h
  GEN     target/arm/trace.h
  GEN     target/i386/trace.h
  GEN     target/mips/trace.h
  GEN     target/sparc/trace.h
  GEN     target/s390x/trace.h
  GEN     target/ppc/trace.h
  GEN     qom/trace.h
  GEN     linux-user/trace.h
  GEN     qapi/trace.h
  GEN     accel/tcg/trace.h
  GEN     accel/kvm/trace.h
  GEN     nbd/trace.h
  GEN     scsi/trace.h
  GEN     trace-root.c
  GEN     util/trace.c
  GEN     crypto/trace.c
  GEN     io/trace.c
  GEN     migration/trace.c
  GEN     block/trace.c
  GEN     chardev/trace.c
  GEN     hw/block/trace.c
  GEN     hw/block/dataplane/trace.c
  GEN     hw/char/trace.c
  GEN     hw/intc/trace.c
  GEN     hw/net/trace.c
  GEN     hw/rdma/trace.c
  GEN     hw/rdma/vmw/trace.c
  GEN     hw/virtio/trace.c
  GEN     hw/audio/trace.c
  GEN     hw/misc/trace.c
  GEN     hw/misc/macio/trace.c
  GEN     hw/usb/trace.c
  GEN     hw/scsi/trace.c
  GEN     hw/nvram/trace.c
  GEN     hw/display/trace.c
  GEN     hw/input/trace.c
  GEN     hw/timer/trace.c
  GEN     hw/dma/trace.c
  GEN     hw/sparc/trace.c
  GEN     hw/sparc64/trace.c
  GEN     hw/sd/trace.c
  GEN     hw/isa/trace.c
  GEN     hw/mem/trace.c
  GEN     hw/i386/trace.c
  GEN     hw/i386/xen/trace.c
  GEN     hw/9pfs/trace.c
  GEN     hw/ppc/trace.c
  GEN     hw/pci/trace.c
  GEN     hw/pci-host/trace.c
  GEN     hw/s390x/trace.c
  GEN     hw/vfio/trace.c
  GEN     hw/acpi/trace.c
  GEN     hw/arm/trace.c
  GEN     hw/alpha/trace.c
  GEN     hw/hppa/trace.c
  GEN     hw/xen/trace.c
  GEN     hw/ide/trace.c
  GEN     hw/tpm/trace.c
  GEN     ui/trace.c
  GEN     audio/trace.c
  GEN     net/trace.c
  GEN     target/arm/trace.c
  GEN     target/i386/trace.c
  GEN     target/mips/trace.c
  GEN     target/sparc/trace.c
  GEN     target/s390x/trace.c
  GEN     target/ppc/trace.c
  GEN     qom/trace.c
  GEN     linux-user/trace.c
  GEN     qapi/trace.c
  GEN     accel/tcg/trace.c
  GEN     accel/kvm/trace.c
  GEN     nbd/trace.c
  GEN     scsi/trace.c
  GEN     config-all-devices.mak
	 DEP /tmp/qemu-test/src/dtc/tests/dumptrees.c
	 DEP /tmp/qemu-test/src/dtc/tests/trees.S
	 DEP /tmp/qemu-test/src/dtc/tests/testutils.c
	 DEP /tmp/qemu-test/src/dtc/tests/value-labels.c
	 DEP /tmp/qemu-test/src/dtc/tests/asm_tree_dump.c
	 DEP /tmp/qemu-test/src/dtc/tests/truncated_property.c
	 DEP /tmp/qemu-test/src/dtc/tests/check_path.c
	 DEP /tmp/qemu-test/src/dtc/tests/overlay_bad_fixup.c
	 DEP /tmp/qemu-test/src/dtc/tests/overlay.c
	 DEP /tmp/qemu-test/src/dtc/tests/subnode_iterate.c
	 DEP /tmp/qemu-test/src/dtc/tests/property_iterate.c
	 DEP /tmp/qemu-test/src/dtc/tests/integer-expressions.c
	 DEP /tmp/qemu-test/src/dtc/tests/utilfdt_test.c
	 DEP /tmp/qemu-test/src/dtc/tests/path_offset_aliases.c
	 DEP /tmp/qemu-test/src/dtc/tests/add_subnode_with_nops.c
	 DEP /tmp/qemu-test/src/dtc/tests/dtbs_equal_unordered.c
	 DEP /tmp/qemu-test/src/dtc/tests/dtb_reverse.c
	 DEP /tmp/qemu-test/src/dtc/tests/dtbs_equal_ordered.c
	 DEP /tmp/qemu-test/src/dtc/tests/extra-terminating-null.c
	 DEP /tmp/qemu-test/src/dtc/tests/incbin.c
	 DEP /tmp/qemu-test/src/dtc/tests/boot-cpuid.c
	 DEP /tmp/qemu-test/src/dtc/tests/phandle_format.c
	 DEP /tmp/qemu-test/src/dtc/tests/path-references.c
	 DEP /tmp/qemu-test/src/dtc/tests/references.c
	 DEP /tmp/qemu-test/src/dtc/tests/propname_escapes.c
	 DEP /tmp/qemu-test/src/dtc/tests/string_escapes.c
	 DEP /tmp/qemu-test/src/dtc/tests/appendprop2.c
	 DEP /tmp/qemu-test/src/dtc/tests/appendprop1.c
	 DEP /tmp/qemu-test/src/dtc/tests/del_node.c
	 DEP /tmp/qemu-test/src/dtc/tests/del_property.c
	 DEP /tmp/qemu-test/src/dtc/tests/setprop.c
	 DEP /tmp/qemu-test/src/dtc/tests/set_name.c
	 DEP /tmp/qemu-test/src/dtc/tests/rw_tree1.c
	 DEP /tmp/qemu-test/src/dtc/tests/open_pack.c
	 DEP /tmp/qemu-test/src/dtc/tests/nopulate.c
	 DEP /tmp/qemu-test/src/dtc/tests/mangle-layout.c
	 DEP /tmp/qemu-test/src/dtc/tests/move_and_save.c
	 DEP /tmp/qemu-test/src/dtc/tests/sw_tree1.c
	 DEP /tmp/qemu-test/src/dtc/tests/nop_node.c
	 DEP /tmp/qemu-test/src/dtc/tests/nop_property.c
	 DEP /tmp/qemu-test/src/dtc/tests/setprop_inplace.c
	 DEP /tmp/qemu-test/src/dtc/tests/stringlist.c
	 DEP /tmp/qemu-test/src/dtc/tests/addr_size_cells.c
	 DEP /tmp/qemu-test/src/dtc/tests/notfound.c
	 DEP /tmp/qemu-test/src/dtc/tests/sized_cells.c
	 DEP /tmp/qemu-test/src/dtc/tests/char_literal.c
	 DEP /tmp/qemu-test/src/dtc/tests/get_alias.c
	 DEP /tmp/qemu-test/src/dtc/tests/node_offset_by_compatible.c
	 DEP /tmp/qemu-test/src/dtc/tests/node_offset_by_phandle.c
	 DEP /tmp/qemu-test/src/dtc/tests/node_offset_by_prop_value.c
	 DEP /tmp/qemu-test/src/dtc/tests/node_check_compatible.c
	 DEP /tmp/qemu-test/src/dtc/tests/parent_offset.c
	 DEP /tmp/qemu-test/src/dtc/tests/supernode_atdepth_offset.c
	 DEP /tmp/qemu-test/src/dtc/tests/get_path.c
	 DEP /tmp/qemu-test/src/dtc/tests/get_phandle.c
	 DEP /tmp/qemu-test/src/dtc/tests/getprop.c
	 DEP /tmp/qemu-test/src/dtc/tests/get_name.c
	 DEP /tmp/qemu-test/src/dtc/tests/path_offset.c
	 DEP /tmp/qemu-test/src/dtc/tests/subnode_offset.c
	 DEP /tmp/qemu-test/src/dtc/tests/find_property.c
	 DEP /tmp/qemu-test/src/dtc/tests/root_node.c
	 DEP /tmp/qemu-test/src/dtc/tests/get_mem_rsv.c
	 DEP /tmp/qemu-test/src/dtc/libfdt/fdt_overlay.c
	 DEP /tmp/qemu-test/src/dtc/libfdt/fdt_addresses.c
	 DEP /tmp/qemu-test/src/dtc/libfdt/fdt_empty_tree.c
	 DEP /tmp/qemu-test/src/dtc/libfdt/fdt_strerror.c
	 DEP /tmp/qemu-test/src/dtc/libfdt/fdt_rw.c
	 DEP /tmp/qemu-test/src/dtc/libfdt/fdt_sw.c
	 DEP /tmp/qemu-test/src/dtc/libfdt/fdt_wip.c
	 DEP /tmp/qemu-test/src/dtc/libfdt/fdt_ro.c
	 DEP /tmp/qemu-test/src/dtc/libfdt/fdt.c
	 DEP /tmp/qemu-test/src/dtc/util.c
	 DEP /tmp/qemu-test/src/dtc/fdtoverlay.c
	 DEP /tmp/qemu-test/src/dtc/fdtput.c
	 DEP /tmp/qemu-test/src/dtc/fdtdump.c
	 DEP /tmp/qemu-test/src/dtc/fdtget.c
	 LEX convert-dtsv0-lexer.lex.c
	 BISON dtc-parser.tab.c
	 DEP /tmp/qemu-test/src/dtc/srcpos.c
	 LEX dtc-lexer.lex.c
	 DEP /tmp/qemu-test/src/dtc/livetree.c
	 DEP /tmp/qemu-test/src/dtc/flattree.c
	 DEP /tmp/qemu-test/src/dtc/fstree.c
	 DEP /tmp/qemu-test/src/dtc/treesource.c
	 DEP /tmp/qemu-test/src/dtc/dtc.c
	 DEP /tmp/qemu-test/src/dtc/data.c
	 DEP /tmp/qemu-test/src/dtc/checks.c
	 DEP convert-dtsv0-lexer.lex.c
	 DEP dtc-parser.tab.c
	 DEP dtc-lexer.lex.c
	CHK version_gen.h
	UPD version_gen.h
	 DEP /tmp/qemu-test/src/dtc/util.c
	 CC libfdt/fdt.o
	 CC libfdt/fdt_ro.o
	 CC libfdt/fdt_wip.o
	 CC libfdt/fdt_sw.o
	 CC libfdt/fdt_empty_tree.o
	 CC libfdt/fdt_strerror.o
	 CC libfdt/fdt_rw.o
	 CC libfdt/fdt_addresses.o
	 CC libfdt/fdt_overlay.o
	 AR libfdt/libfdt.a
x86_64-w64-mingw32-ar: creating libfdt/libfdt.a
a - libfdt/fdt.o
a - libfdt/fdt_ro.o
a - libfdt/fdt_wip.o
a - libfdt/fdt_sw.o
a - libfdt/fdt_rw.o
a - libfdt/fdt_strerror.o
a - libfdt/fdt_empty_tree.o
a - libfdt/fdt_addresses.o
a - libfdt/fdt_overlay.o
  RC      version.o
mkdir -p dtc/libfdt
mkdir -p dtc/tests
  GEN     qga/qapi-generated/qapi-gen
  CC      qapi/qapi-types.o
  CC      qapi/qapi-builtin-types.o
  CC      qapi/qapi-types-block-core.o
  CC      qapi/qapi-types-char.o
  CC      qapi/qapi-types-block.o
  CC      qapi/qapi-types-crypto.o
  CC      qapi/qapi-types-common.o
  CC      qapi/qapi-types-introspect.o
  CC      qapi/qapi-types-migration.o
  CC      qapi/qapi-types-misc.o
  CC      qapi/qapi-types-net.o
  CC      qapi/qapi-types-rocker.o
  CC      qapi/qapi-types-run-state.o
  CC      qapi/qapi-types-sockets.o
  CC      qapi/qapi-types-tpm.o
  CC      qapi/qapi-types-trace.o
  CC      qapi/qapi-types-transaction.o
  CC      qapi/qapi-types-ui.o
  CC      qapi/qapi-builtin-visit.o
  CC      qapi/qapi-visit.o
  CC      qapi/qapi-visit-block-core.o
  CC      qapi/qapi-visit-block.o
  CC      qapi/qapi-visit-char.o
  CC      qapi/qapi-visit-common.o
  CC      qapi/qapi-visit-crypto.o
  CC      qapi/qapi-visit-introspect.o
  CC      qapi/qapi-visit-migration.o
  CC      qapi/qapi-visit-misc.o
  CC      qapi/qapi-visit-net.o
  CC      qapi/qapi-visit-rocker.o
  CC      qapi/qapi-visit-run-state.o
  CC      qapi/qapi-visit-sockets.o
  CC      qapi/qapi-visit-tpm.o
  CC      qapi/qapi-visit-trace.o
  CC      qapi/qapi-visit-transaction.o
  CC      qapi/qapi-visit-ui.o
  CC      qapi/qapi-events.o
  CC      qapi/qapi-events-block-core.o
  CC      qapi/qapi-events-block.o
  CC      qapi/qapi-events-char.o
  CC      qapi/qapi-events-common.o
  CC      qapi/qapi-events-crypto.o
  CC      qapi/qapi-events-introspect.o
  CC      qapi/qapi-events-migration.o
  CC      qapi/qapi-events-misc.o
  CC      qapi/qapi-events-net.o
  CC      qapi/qapi-events-rocker.o
  CC      qapi/qapi-events-run-state.o
  CC      qapi/qapi-events-sockets.o
  CC      qapi/qapi-events-tpm.o
  CC      qapi/qapi-events-trace.o
  CC      qapi/qapi-events-transaction.o
  CC      qapi/qapi-events-ui.o
  CC      qapi/qapi-introspect.o
  CC      qapi/qapi-visit-core.o
  CC      qapi/qapi-dealloc-visitor.o
  CC      qapi/qobject-input-visitor.o
  CC      qapi/qobject-output-visitor.o
  CC      qapi/qmp-registry.o
  CC      qapi/qmp-dispatch.o
  CC      qapi/string-input-visitor.o
  CC      qapi/string-output-visitor.o
  CC      qapi/opts-visitor.o
  CC      qapi/qapi-clone-visitor.o
  CC      qapi/qmp-event.o
  CC      qapi/qapi-util.o
  CC      qobject/qnull.o
  CC      qobject/qnum.o
  CC      qobject/qstring.o
  CC      qobject/qdict.o
  CC      qobject/qlist.o
  CC      qobject/qbool.o
  CC      qobject/qlit.o
  CC      qobject/qjson.o
  CC      qobject/qobject.o
  CC      qobject/json-lexer.o
  CC      qobject/json-streamer.o
  CC      qobject/json-parser.o
  CC      trace/simple.o
  CC      trace/control.o
  CC      trace/qmp.o
  CC      util/osdep.o
  CC      util/cutils.o
  CC      util/unicode.o
  CC      util/qemu-timer-common.o
  CC      util/bufferiszero.o
  CC      util/lockcnt.o
  CC      util/aiocb.o
  CC      util/async.o
  CC      util/aio-wait.o
  CC      util/thread-pool.o
  CC      util/qemu-timer.o
  CC      util/main-loop.o
  CC      util/iohandler.o
  CC      util/aio-win32.o
  CC      util/event_notifier-win32.o
  CC      util/oslib-win32.o
  CC      util/qemu-thread-win32.o
  CC      util/envlist.o
  CC      util/path.o
  CC      util/module.o
  CC      util/host-utils.o
  CC      util/bitmap.o
  CC      util/bitops.o
  CC      util/hbitmap.o
  CC      util/fifo8.o
  CC      util/acl.o
  CC      util/cacheinfo.o
  CC      util/error.o
  CC      util/qemu-error.o
  CC      util/id.o
  CC      util/iov.o
  CC      util/qemu-config.o
  CC      util/qemu-sockets.o
  CC      util/uri.o
  CC      util/notify.o
  CC      util/qemu-option.o
  CC      util/qemu-progress.o
  CC      util/keyval.o
  CC      util/hexdump.o
  CC      util/crc32c.o
  CC      util/uuid.o
  CC      util/throttle.o
  CC      util/getauxval.o
  CC      util/readline.o
  CC      util/rcu.o
  CC      util/qemu-coroutine.o
  CC      util/qemu-coroutine-lock.o
  CC      util/qemu-coroutine-io.o
  CC      util/qemu-coroutine-sleep.o
  CC      util/coroutine-win32.o
  CC      util/buffer.o
  CC      util/timed-average.o
  CC      util/base64.o
  CC      util/log.o
  CC      util/pagesize.o
  CC      util/qdist.o
  CC      util/qht.o
  CC      util/range.o
  CC      util/stats64.o
  CC      util/systemd.o
  CC      trace-root.o
  CC      util/trace.o
  CC      crypto/trace.o
  CC      io/trace.o
  CC      migration/trace.o
  CC      block/trace.o
  CC      chardev/trace.o
  CC      hw/block/trace.o
  CC      hw/block/dataplane/trace.o
  CC      hw/char/trace.o
  CC      hw/intc/trace.o
  CC      hw/net/trace.o
  CC      hw/rdma/trace.o
  CC      hw/rdma/vmw/trace.o
  CC      hw/virtio/trace.o
  CC      hw/audio/trace.o
  CC      hw/misc/trace.o
  CC      hw/misc/macio/trace.o
  CC      hw/usb/trace.o
  CC      hw/scsi/trace.o
  CC      hw/nvram/trace.o
  CC      hw/display/trace.o
  CC      hw/input/trace.o
  CC      hw/timer/trace.o
  CC      hw/dma/trace.o
  CC      hw/sparc/trace.o
  CC      hw/sparc64/trace.o
  CC      hw/sd/trace.o
  CC      hw/isa/trace.o
  CC      hw/mem/trace.o
  CC      hw/i386/trace.o
  CC      hw/i386/xen/trace.o
  CC      hw/9pfs/trace.o
  CC      hw/ppc/trace.o
  CC      hw/pci/trace.o
  CC      hw/pci-host/trace.o
  CC      hw/s390x/trace.o
  CC      hw/vfio/trace.o
  CC      hw/acpi/trace.o
  CC      hw/arm/trace.o
  CC      hw/alpha/trace.o
  CC      hw/hppa/trace.o
  CC      hw/xen/trace.o
  CC      hw/ide/trace.o
  CC      hw/tpm/trace.o
  CC      ui/trace.o
  CC      audio/trace.o
  CC      net/trace.o
  CC      target/arm/trace.o
  CC      target/i386/trace.o
  CC      target/mips/trace.o
  CC      target/sparc/trace.o
  CC      target/s390x/trace.o
  CC      target/ppc/trace.o
  CC      qom/trace.o
  CC      linux-user/trace.o
  CC      qapi/trace.o
  CC      accel/tcg/trace.o
  CC      accel/kvm/trace.o
  CC      nbd/trace.o
  CC      scsi/trace.o
  CC      crypto/pbkdf-stub.o
  CC      stubs/arch-query-cpu-def.o
  CC      stubs/arch-query-cpu-model-expansion.o
  CC      stubs/arch-query-cpu-model-comparison.o
  CC      stubs/arch-query-cpu-model-baseline.o
  CC      stubs/bdrv-next-monitor-owned.o
  CC      stubs/blk-commit-all.o
  CC      stubs/blockdev-close-all-bdrv-states.o
  CC      stubs/clock-warp.o
  CC      stubs/cpu-get-clock.o
  CC      stubs/cpu-get-icount.o
  CC      stubs/dump.o
  CC      stubs/error-printf.o
  CC      stubs/fdset.o
  CC      stubs/gdbstub.o
  CC      stubs/get-vm-name.o
  CC      stubs/iothread.o
  CC      stubs/iothread-lock.o
  CC      stubs/is-daemonized.o
  CC      stubs/machine-init-done.o
  CC      stubs/migr-blocker.o
  CC      stubs/change-state-handler.o
  CC      stubs/monitor.o
  CC      stubs/notify-event.o
  CC      stubs/qtest.o
  CC      stubs/replay.o
  CC      stubs/runstate-check.o
  CC      stubs/set-fd-handler.o
  CC      stubs/slirp.o
  CC      stubs/sysbus.o
  CC      stubs/tpm.o
  CC      stubs/trace-control.o
  CC      stubs/uuid.o
  CC      stubs/vm-stop.o
  CC      stubs/vmstate.o
  CC      stubs/fd-register.o
  CC      stubs/qmp_memory_device.o
  CC      stubs/target-monitor-defs.o
  CC      stubs/target-get-monitor-def.o
  CC      stubs/pc_madt_cpu_entry.o
  CC      stubs/vmgenid.o
  CC      stubs/xen-common.o
  CC      stubs/xen-hvm.o
  CC      stubs/pci-host-piix.o
  CC      stubs/ram-block.o
  GEN     qemu-img-cmds.h
  CC      block.o
  CC      blockjob.o
  CC      qemu-io-cmds.o
  CC      replication.o
  CC      block/raw-format.o
  CC      block/qcow.o
  CC      block/vdi.o
  CC      block/vmdk.o
  CC      block/cloop.o
  CC      block/bochs.o
  CC      block/vpc.o
  CC      block/vvfat.o
  CC      block/dmg.o
  CC      block/qcow2.o
  CC      block/qcow2-refcount.o
  CC      block/qcow2-cluster.o
/tmp/qemu-test/src/block/vmdk.c: In function 'vmdk_co_do_create':
/tmp/qemu-test/src/block/vmdk.c:2153:8: error: 'blk' may be used uninitialized in this function [-Werror=maybe-uninitialized]
     if (blk) {
        ^
cc1: all warnings being treated as errors
make: *** [/tmp/qemu-test/src/rules.mak:66: block/vmdk.o] Error 1
make: *** Waiting for unfinished jobs....
Traceback (most recent call last):
  File "./tests/docker/docker.py", line 407, in <module>
    sys.exit(main())
  File "./tests/docker/docker.py", line 404, in main
    return args.cmdobj.run(args, argv)
  File "./tests/docker/docker.py", line 261, in run
    return Docker().run(argv, args.keep, quiet=args.quiet)
  File "./tests/docker/docker.py", line 229, in run
    quiet=quiet)
  File "./tests/docker/docker.py", line 147, in _do_check
    return subprocess.check_call(self._command + cmd, **kwargs)
  File "/usr/lib64/python2.7/subprocess.py", line 186, in check_call
    raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['docker', 'run', '--label', 'com.qemu.instance.uuid=589c7ea0534f11e886a652540069c830', '-u', '0', '--security-opt', 'seccomp=unconfined', '--rm', '--net=none', '-e', 'TARGET_LIST=', '-e', 'EXTRA_CONFIGURE_OPTS=', '-e', 'V=', '-e', 'J=8', '-e', 'DEBUG=', '-e', 'SHOW_ENV=1', '-e', 'CCACHE_DIR=/var/tmp/ccache', '-v', '/root/.cache/qemu-docker-ccache:/var/tmp/ccache:z', '-v', '/var/tmp/patchew-tester-tmp-ijg2dqov/src/docker-src.2018-05-09-02.07.55.25371:/var/tmp/qemu:z,ro', 'qemu:fedora', '/var/tmp/qemu/run', 'test-mingw']' returned non-zero exit status 2
make[1]: *** [tests/docker/Makefile.include:129: docker-run] Error 1
make[1]: Leaving directory '/var/tmp/patchew-tester-tmp-ijg2dqov/src'
make: *** [tests/docker/Makefile.include:163: docker-run-test-mingw@fedora] Error 2

real	2m17.116s
user	0m4.564s
sys	0m3.653s
=== OUTPUT END ===

Test command exited with code: 2


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