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char: Deprecate backend aliases 'tty' and 'parport'

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QAPI doesn't know the aliases 'tty' and 'parport' and there is no
reason to prefer them to the real names of the backends 'serial' and
'parallel'.

Since warnings are not allowed in 'make check' output, we can't test
the deprecated alias any more. Remove it from test-char.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210311164253.338723-3-kwolf@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Kevin Wolf 2021-03-11 17:42:52 +01:00
parent 1254bd3977
commit 5965243641
3 changed files with 17 additions and 7 deletions
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12
chardev/char.c
View File

@ -534,9 +534,10 @@ static const ChardevClass *char_get_class(const char *driver, Error **errp)
return cc;
}
static const struct ChardevAlias {
static struct ChardevAlias {
const char *typename;
const char *alias;
bool deprecation_warning_printed;
} chardev_alias_table[] = {
#ifdef HAVE_CHARDEV_PARPORT
{ "parallel", "parport" },
@ -584,6 +585,10 @@ help_string_append(const char *name, bool is_cli_alias, void *opaque)
{
GString *str = opaque;
if (is_cli_alias) {
return;
}
g_string_append_printf(str, "\n %s", name);
}
@ -592,6 +597,11 @@ static const char *chardev_alias_translate(const char *name)
int i;
for (i = 0; i < (int)ARRAY_SIZE(chardev_alias_table); i++) {
if (g_strcmp0(chardev_alias_table[i].alias, name) == 0) {
if (!chardev_alias_table[i].deprecation_warning_printed) {
warn_report("The alias '%s' is deprecated, use '%s' instead",
name, chardev_alias_table[i].typename);
chardev_alias_table[i].deprecation_warning_printed = true;
}
return chardev_alias_table[i].typename;
}
}

6
docs/system/deprecated.rst
View File

@ -46,6 +46,12 @@ needs two devices (``-device intel-hda -device hda-duplex``) and
``pcspk`` which can be activated using ``-machine
pcspk-audiodev=<name>``.
``-chardev`` backend aliases ``tty`` and ``parport`` (since 6.0)
''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
``tty`` and ``parport`` are aliases that will be removed. Instead, the
actual backend names ``serial`` and ``parallel`` should be used.
RISC-V ``-bios`` (since 5.1)
''''''''''''''''''''''''''''

6
tests/unit/test-char.c
View File

@ -1199,12 +1199,6 @@ static void char_serial_test(void)
/* TODO: add more tests with a pty */
object_unparent(OBJECT(chr));
/* test tty alias */
qemu_opt_set(opts, "backend", "tty", &error_abort);
chr = qemu_chr_new_from_opts(opts, NULL, &error_abort);
g_assert_nonnull(chr);
object_unparent(OBJECT(chr));
qemu_opts_del(opts);
}
#endif