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blockdev: Print a warning for legacy drive options that belong to -device 

We likely do not want to carry these legacy -drive options along forever.
Let's emit a deprecation warning for the -drive options that have a
replacement with the -device option, so that the (hopefully few) remaining
users are aware of this and can adapt their scripts / behaviour accordingly.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Thomas Huth 2017-05-12 12:33:49 +02:00 committed by Kevin Wolf
parent 6b4df54833
commit c616f16e0c
2 changed files with 21 additions and 2 deletions
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14
blockdev.c
View File

@ -50,6 +50,7 @@
#include "qmp-commands.h"
#include "block/trace.h"
#include "sysemu/arch_init.h"
#include "sysemu/qtest.h"
#include "qemu/cutils.h"
#include "qemu/help_option.h"
#include "qemu/throttle-options.h"
@ -798,6 +799,9 @@ DriveInfo *drive_new(QemuOpts *all_opts, BlockInterfaceType block_default_type)
const char *filename;
Error *local_err = NULL;
int i;
const char *deprecated[] = {
"serial", "trans", "secs", "heads", "cyls", "addr"
};
/* Change legacy command line options into QMP ones */
static const struct {
@ -881,6 +885,16 @@ DriveInfo *drive_new(QemuOpts *all_opts, BlockInterfaceType block_default_type)
"update your scripts.\n");
}
/* Other deprecated options */
if (!qtest_enabled()) {
for (i = 0; i < ARRAY_SIZE(deprecated); i++) {
if (qemu_opt_get(legacy_opts, deprecated[i]) != NULL) {
error_report("'%s' is deprecated, please use the corresponding "
"option of '-device' instead", deprecated[i]);
}
}
}
/* Media type */
value = qemu_opt_get(legacy_opts, "media");
if (value) {

9
qemu-options.hx
View File

@ -818,6 +818,8 @@ of available connectors of a given interface type.
This option defines the type of the media: disk or cdrom.
@item cyls=@var{c},heads=@var{h},secs=@var{s}[,trans=@var{t}]
These options have the same definition as they have in @option{-hdachs}.
These parameters are deprecated, use the corresponding parameters
of @code{-device} instead.
@item snapshot=@var{snapshot}
@var{snapshot} is "on" or "off" and controls snapshot mode for the given drive
(see @option{-snapshot}).
@ -852,9 +854,12 @@ Specify which disk @var{format} will be used rather than detecting
the format. Can be used to specify format=raw to avoid interpreting
an untrusted format header.
@item serial=@var{serial}
This option specifies the serial number to assign to the device.
This option specifies the serial number to assign to the device. This
parameter is deprecated, use the corresponding parameter of @code{-device}
instead.
@item addr=@var{addr}
Specify the controller's PCI address (if=virtio only).
Specify the controller's PCI address (if=virtio only). This parameter is
deprecated, use the corresponding parameter of @code{-device} instead.
@item werror=@var{action},rerror=@var{action}
Specify which @var{action} to take on write and read errors. Valid actions are:
"ignore" (ignore the error and try to continue), "stop" (pause QEMU),