fix gdbstub support for multiple threads in usermode, v3

[qemu] / qemu-img.texi

diff --git a/qemu-img.texi b/qemu-img.texi
index 44c4de8..deef2ab 100644 (file)
--- a/qemu-img.texi
+++ b/qemu-img.texi
@@ -8,10 +8,11 @@ usage: qemu-img command [command options]
 
 The following commands are supported:
 @table @option
-@item create [-e] [-6] [-b @var{base_image}] [-f @var{fmt}] @var{filename} [@var{size}]
+@item create [-e] [-6] [-F @var{base_fmt}] [-b @var{base_image}] [-f @var{fmt}] @var{filename} [@var{size}]
 @item commit [-f @var{fmt}] @var{filename}
-@item convert [-c] [-e] [-6] [-f @var{fmt}] [-O @var{output_fmt}] @var{filename} [@var{filename2} [...]] @var{output_filename}
+@item convert [-c] [-e] [-6] [-f @var{fmt}] [-O @var{output_fmt}] [-B @var{output_base_image}] @var{filename} [@var{filename2} [...]] @var{output_filename}
 @item info [-f @var{fmt}] @var{filename}
+@item snapshot [-l | -a @var{snapshot} | -c @var{snapshot} | -d @var{snapshot}] @var{filename}
 @end table
 
 Command parameters:
@@ -21,7 +22,13 @@ Command parameters:
 @item base_image
 is the read-only disk image which is used as base for a copy on
     write image; the copy on write image only stores the modified data
-
+@item output_base_image
+forces the output image to be created as a copy on write
+image of the specified base image; @code{output_base_image} should have the same
+content as the input's base image, however the path, image format, etc may
+differ
+@item base_fmt
+is the disk image format of @var{base_image}. for more information look at @var{fmt}
 @item fmt
 is the disk image format. It is guessed automatically in most cases. The following formats are supported:
 
@@ -55,7 +62,8 @@ CD-ROM images present for example in the Knoppix CD-ROMs.
 
 @item size
 is the disk image size in kilobytes. Optional suffixes @code{M}
-(megabyte) and @code{G} (gigabyte) are supported
+(megabyte, 1024 * 1024) and @code{G} (gigabyte, 1024 * 1024 * 1024)
+are supported and any @code{k} or @code{K} is ignored.
 
 @item output_filename
 is the destination disk image filename
@@ -69,6 +77,24 @@ indicates that target image must be compressed (qcow format only)
 indicates that the target image must be encrypted (qcow format only)
 @item -6
 indicates that the target image must use compatibility level 6 (vmdk format only)
+@item -h
+with or without a command shows help and lists the supported formats
+@end table
+
+Parameters to snapshot subcommand:
+
+@table @option
+
+@item snapshot
+is the name of the snapshot to create, apply or delete
+@item -a
+applies a snapshot (revert disk to saved state)
+@item -c
+creates a snapshot
+@item -d
+deletes a snapshot
+@item -l
+lists all snapshots in the given image
 @end table
 
 Command description:
@@ -111,6 +137,10 @@ Give information about the disk image @var{filename}. Use it in
 particular to know the size reserved on disk which can be different
 from the displayed size. If VM snapshots are stored in the disk image,
 they are displayed too.
+
+@item snapshot [-l | -a @var{snapshot} | -c @var{snapshot} | -d @var{snapshot} ] @var{filename}
+
+List, apply, create or delete snapshots in image @var{filename}.
 @end table
 
 @c man end