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-rw-r--r--qemu-doc.texi15
-rw-r--r--qemu-img.texi4
2 files changed, 17 insertions, 2 deletions
diff --git a/qemu-doc.texi b/qemu-doc.texi
index 185dd47a03..4e9c6e9b6e 100644
--- a/qemu-doc.texi
+++ b/qemu-doc.texi
@@ -654,6 +654,21 @@ Supported options:
Specifies which VHD subformat to use. Valid options are
@code{dynamic} (default) and @code{fixed}.
@end table
+
+@item VHDX
+Hyper-V compatible image format (VHDX).
+Supported options:
+@table @code
+@item subformat
+Specifies which VHDX subformat to use. Valid options are
+@code{dynamic} (default) and @code{fixed}.
+@item block_state_zero
+Force use of payload blocks of type 'ZERO'.
+@item block_size
+Block size; min 1 MB, max 256 MB. 0 means auto-calculate based on image size.
+@item log_size
+Log size; min 1 MB.
+@end table
@end table
@subsubsection Read-only formats
diff --git a/qemu-img.texi b/qemu-img.texi
index be31191e43..1bba91efde 100644
--- a/qemu-img.texi
+++ b/qemu-img.texi
@@ -431,8 +431,8 @@ This option can only be enabled if @code{compat=1.1} is specified.
@item Other
QEMU also supports various other image file formats for compatibility with
-older QEMU versions or other hypervisors, including VMDK, VDI, VHD (vpc), qcow1
-and QED. For a full list of supported formats see @code{qemu-img --help}.
+older QEMU versions or other hypervisors, including VMDK, VDI, VHD (vpc), VHDX,
+qcow1 and QED. For a full list of supported formats see @code{qemu-img --help}.
For a more detailed description of these formats, see the QEMU Emulation User
Documentation.