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bh=AfPFaqFUVUEWfzka3wzZsBUp7OzkQfoFN0Ix1Zsu5EM=; b=WWOXcIrPtsw7mqpCnX89X6DkJWnec0J1J4Maz2XIGDTeXUag3EOU0W3WEAGnGPxkzOE2/Q x5pxSXLwj9vmar4NQKwiryjJOj5aOZQCRheTnWWYUPTyqf8+SbBERgCbDTEde0JD4ZCf3t tQESi5AoHlqtyRzWkvYWxUzRSGJJxoY= X-MC-Unique: gT5xtreaNOqiEw9v34wd2A-1 From: Kevin Wolf To: qemu-devel@nongnu.org Subject: [PATCH 10/13] char: Implement qemu_chr_new_from_opts() in terms of QAPI Date: Thu, 12 Nov 2020 18:59:02 +0100 Message-Id: <20201112175905.404472-11-kwolf@redhat.com> In-Reply-To: <20201112175905.404472-1-kwolf@redhat.com> References: <20201112175905.404472-1-kwolf@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=kwolf@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; 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charset="utf-8" Instead of having a second parser, qemu_chr_new_from_opts() uses qemu_chr_translate_legacy_options() and qemu_chr_new_cli() now. This switches -chardev of the system emulator to use the QAPI generated parser rather than the hand-written QemuOpts based parser. All existing command line options should keep working, but it gains support for anything that was previously only supported in QMP (e.g. vsock socket addresses). Signed-off-by: Kevin Wolf --- chardev/char.c | 116 +++++++++++++++++++------------------------------ 1 file changed, 45 insertions(+), 71 deletions(-) diff --git a/chardev/char.c b/chardev/char.c index 3bb6a743f7..4a444a0353 100644 --- a/chardev/char.c +++ b/chardev/char.c @@ -656,70 +656,6 @@ void qemu_chr_print_types(void) qemu_printf("Available chardev backend types: %s\n", str->str); } =20 -Chardev *qemu_chr_new_from_opts(QemuOpts *opts, GMainContext *context, - Error **errp) -{ - const ChardevClass *cc; - Chardev *chr =3D NULL; - ChardevBackend *backend =3D NULL; - const char *name =3D chardev_alias_translate(qemu_opt_get(opts, "backe= nd")); - const char *id =3D qemu_opts_id(opts); - char *bid =3D NULL; - - if (name && is_help_option(name)) { - qemu_chr_print_types(); - return NULL; - } - - if (id =3D=3D NULL) { - error_setg(errp, "chardev: no id specified"); - return NULL; - } - - backend =3D qemu_chr_parse_opts(opts, errp); - if (backend =3D=3D NULL) { - return NULL; - } - - cc =3D char_get_class(name, errp); - if (cc =3D=3D NULL) { - goto out; - } - - if (qemu_opt_get_bool(opts, "mux", 0)) { - bid =3D g_strdup_printf("%s-base", id); - } - - chr =3D qemu_chardev_new(bid ? bid : id, - object_class_get_name(OBJECT_CLASS(cc)), - backend, context, errp); - - if (chr =3D=3D NULL) { - goto out; - } - - if (bid) { - Chardev *mux; - qapi_free_ChardevBackend(backend); - backend =3D g_new0(ChardevBackend, 1); - backend->type =3D CHARDEV_BACKEND_KIND_MUX; - backend->u.mux.data =3D g_new0(ChardevMux, 1); - backend->u.mux.data->chardev =3D g_strdup(bid); - mux =3D qemu_chardev_new(id, TYPE_CHARDEV_MUX, backend, context, e= rrp); - if (mux =3D=3D NULL) { - object_unparent(OBJECT(chr)); - chr =3D NULL; - goto out; - } - chr =3D mux; - } - -out: - qapi_free_ChardevBackend(backend); - g_free(bid); - return chr; -} - void qemu_chr_translate_legacy_options(QDict *args) { const ChardevClass *cc; @@ -1065,7 +1001,7 @@ Chardev *qemu_chardev_new(const char *id, const char = *typename, } =20 static Chardev *chardev_new_qapi(const char *id, ChardevBackend *backend, - Error **errp) + GMainContext *context, Error **errp) { const ChardevClass *cc; =20 @@ -1075,7 +1011,7 @@ static Chardev *chardev_new_qapi(const char *id, Char= devBackend *backend, } =20 return chardev_new(id, object_class_get_name(OBJECT_CLASS(cc)), - backend, NULL, errp); + backend, context, errp); } =20 ChardevReturn *qmp_chardev_add(const char *id, ChardevBackend *backend, @@ -1084,7 +1020,7 @@ ChardevReturn *qmp_chardev_add(const char *id, Charde= vBackend *backend, ChardevReturn *ret; Chardev *chr; =20 - chr =3D chardev_new_qapi(id, backend, errp); + chr =3D chardev_new_qapi(id, backend, NULL, errp); if (!chr) { return NULL; } @@ -1098,7 +1034,9 @@ ChardevReturn *qmp_chardev_add(const char *id, Charde= vBackend *backend, return ret; } =20 -Chardev *qemu_chr_new_cli(ChardevOptions *options, Error **errp) +static Chardev *qemu_chr_new_cli_gcontext(ChardevOptions *options, + GMainContext *context, + Error **errp) { Chardev *chr; char *bid =3D NULL; @@ -1107,7 +1045,7 @@ Chardev *qemu_chr_new_cli(ChardevOptions *options, Er= ror **errp) bid =3D g_strdup_printf("%s-base", options->id); } =20 - chr =3D chardev_new_qapi(bid ?: options->id, options->backend, errp); + chr =3D chardev_new_qapi(bid ?: options->id, options->backend, context= , errp); if (!chr) { goto out; } @@ -1122,8 +1060,8 @@ Chardev *qemu_chr_new_cli(ChardevOptions *options, Er= ror **errp) .u.mux.data =3D &mux_data, }; =20 - mux =3D qemu_chardev_new(options->id, TYPE_CHARDEV_MUX, &backend, = NULL, - errp); + mux =3D qemu_chardev_new(options->id, TYPE_CHARDEV_MUX, &backend, + context, errp); if (mux =3D=3D NULL) { object_unparent(OBJECT(chr)); chr =3D NULL; @@ -1137,6 +1075,11 @@ out: return chr; } =20 +Chardev *qemu_chr_new_cli(ChardevOptions *options, Error **errp) +{ + return qemu_chr_new_cli_gcontext(options, NULL, errp); +} + ChardevOptions *qemu_chr_parse_cli_dict(QDict *args, bool help, Error **errp) { @@ -1180,6 +1123,37 @@ ChardevOptions *qemu_chr_parse_cli_str(const char *o= ptarg, Error **errp) return chr_options; } =20 +Chardev *qemu_chr_new_from_opts(QemuOpts *opts, GMainContext *context, + Error **errp) +{ + ChardevOptions *chr_options; + Chardev *chr; + QDict *args; + const char *name =3D qemu_opt_get(opts, "backend"); + bool help; + + args =3D qemu_opts_to_qdict(opts, NULL); + + if (name && is_help_option(name)) { + qdict_del(args, "backend"); + qdict_del(args, "type"); + help =3D true; + } else { + help =3D qemu_opt_has_help_opt(opts); + } + + chr_options =3D qemu_chr_parse_cli_dict(args, help, errp); + qobject_unref(args); + + if (!chr_options) { + return NULL; + } + + chr =3D qemu_chr_new_cli_gcontext(chr_options, context, errp); + qapi_free_ChardevOptions(chr_options); + return chr; +} + ChardevReturn *qmp_chardev_change(const char *id, ChardevBackend *backend, Error **errp) { --=20 2.28.0