From e508430619b3b26112117b6e06ebc5f8f1d54aed Mon Sep 17 00:00:00 2001 From: Markus Armbruster Date: Tue, 5 May 2020 17:29:18 +0200 Subject: [PATCH] hw/isa/superio: Make the components QOM children MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit isa_superio_realize() attempts to make isa-parallel and isa-serial QOM children, but this does not work, because it calls object_property_add_child() after realizing with qdev_init_nofail(). Realizing a device without a parent gives it one: it gets put into the "/machine/unattached/" orphanage. The extra object_property_add_child() fails, and isa_superio_realize() ignores the error. Move the object_property_add_child() before qdev_init_nofail(), and pass &error_abort. For the other components, isa_superio_realize() doesn't even try. Add object_property_add_child() there. This affects machines 40p, clipper and fulong2e. For instance, fulong2e has its vt82c686b-superio (which is an isa-superio) at /machine/unattached/device[9]. Before the patch, its components are at /machine/unattached/device[10] .. [14]. Afterwards, they are at /machine/unattached/device[9]/{parallel0,serial0,serial1,isa-fdc,i8042}. Cc: Michael S. Tsirkin Cc: Paolo Bonzini Signed-off-by: Markus Armbruster Reviewed-by: Philippe Mathieu-Daudé Tested-by: Philippe Mathieu-Daudé Reviewed-by: Paolo Bonzini Message-Id: <20200505152926.18877-11-armbru@redhat.com> --- hw/isa/isa-superio.c | 18 +++++++++++++----- 1 file changed, 13 insertions(+), 5 deletions(-) diff --git a/hw/isa/isa-superio.c b/hw/isa/isa-superio.c index 180a8b9625..0d9d848280 100644 --- a/hw/isa/isa-superio.c +++ b/hw/isa/isa-superio.c @@ -62,6 +62,8 @@ static void isa_superio_realize(DeviceState *dev, Error **errp) qdev_prop_set_uint32(d, "irq", k->parallel.get_irq(sio, i)); } qdev_prop_set_chr(d, "chardev", chr); + object_property_add_child(OBJECT(sio), name, OBJECT(isa), + &error_abort); qdev_init_nofail(d); sio->parallel[i] = isa; trace_superio_create_parallel(i, @@ -69,8 +71,6 @@ static void isa_superio_realize(DeviceState *dev, Error **errp) k->parallel.get_iobase(sio, i) : -1, k->parallel.get_irq ? k->parallel.get_irq(sio, i) : -1); - object_property_add_child(OBJECT(dev), name, - OBJECT(sio->parallel[i]), NULL); g_free(name); } } @@ -102,6 +102,8 @@ static void isa_superio_realize(DeviceState *dev, Error **errp) qdev_prop_set_uint32(d, "irq", k->serial.get_irq(sio, i)); } qdev_prop_set_chr(d, "chardev", chr); + object_property_add_child(OBJECT(sio), name, OBJECT(isa), + &error_abort); qdev_init_nofail(d); sio->serial[i] = isa; trace_superio_create_serial(i, @@ -109,8 +111,6 @@ static void isa_superio_realize(DeviceState *dev, Error **errp) k->serial.get_iobase(sio, i) : -1, k->serial.get_irq ? k->serial.get_irq(sio, i) : -1); - object_property_add_child(OBJECT(dev), name, - OBJECT(sio->serial[0]), NULL); g_free(name); } } @@ -137,6 +137,8 @@ static void isa_superio_realize(DeviceState *dev, Error **errp) qdev_prop_set_drive(d, "driveB", blk_by_legacy_dinfo(drive), &error_fatal); } + object_property_add_child(OBJECT(sio), "isa-fdc", OBJECT(isa), + &error_abort); qdev_init_nofail(d); sio->floppy = isa; trace_superio_create_floppy(0, @@ -147,7 +149,11 @@ static void isa_superio_realize(DeviceState *dev, Error **errp) } /* Keyboard, mouse */ - sio->kbc = isa_create_simple(bus, TYPE_I8042); + isa = isa_create(bus, TYPE_I8042); + object_property_add_child(OBJECT(sio), TYPE_I8042, OBJECT(isa), + &error_abort); + qdev_init_nofail(DEVICE(isa)); + sio->kbc = isa; /* IDE */ if (k->ide.count && (!k->ide.is_enabled || k->ide.is_enabled(sio, 0))) { @@ -163,6 +169,8 @@ static void isa_superio_realize(DeviceState *dev, Error **errp) qdev_prop_set_uint32(d, "irq", k->ide.get_irq(sio, 0)); } qdev_init_nofail(d); + object_property_add_child(OBJECT(sio), "isa-ide", OBJECT(isa), + &error_abort); sio->ide = isa; trace_superio_create_ide(0, k->ide.get_iobase ?