From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:43767) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1g7Q9t-0002I1-NQ for qemu-devel@nongnu.org; Tue, 02 Oct 2018 15:16:38 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1g7Q9n-0003Tk-Hv for qemu-devel@nongnu.org; Tue, 02 Oct 2018 15:16:36 -0400 Received: from mail-wr1-f66.google.com ([209.85.221.66]:42624) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1g7Q9n-0003TE-92 for qemu-devel@nongnu.org; Tue, 02 Oct 2018 15:16:31 -0400 Received: by mail-wr1-f66.google.com with SMTP id g15-v6so848683wru.9 for ; Tue, 02 Oct 2018 12:16:31 -0700 (PDT) References: <1538466491-2073-1-git-send-email-thuth@redhat.com> From: =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= Message-ID: <86bb9711-7cee-185a-3165-766a61bed829@redhat.com> Date: Tue, 2 Oct 2018 21:16:27 +0200 MIME-Version: 1.0 In-Reply-To: <1538466491-2073-1-git-send-email-thuth@redhat.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Subject: Re: [Qemu-devel] [PATCH] hw/s390x/s390-pci-bus: Convert sysbus init function to realize function List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Thomas Huth , qemu-s390x@nongnu.org, Cornelia Huck , Christian Borntraeger , Yi Min Zhao Cc: Peter Maydell , qemu-devel@nongnu.org, Pierre Morel , David Hildenbrand On 10/2/18 9:48 AM, Thomas Huth wrote: > The SysBusDeviceClass->init() interface is considered as a legacy interface > and there are currently some efforts going on to get rid of it. Thus let's > convert the init function in the s390x code to realize() instead. > > Signed-off-by: Thomas Huth Reviewed-by: Philippe Mathieu-Daudé > --- > hw/s390x/s390-pci-bus.c | 34 +++++++++++++++++++++------------- > 1 file changed, 21 insertions(+), 13 deletions(-) > > diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c > index e3e0ebb..e42e1b8 100644 > --- a/hw/s390x/s390-pci-bus.c > +++ b/hw/s390x/s390-pci-bus.c > @@ -692,27 +692,35 @@ static void s390_pci_iommu_free(S390pciState *s, PCIBus *bus, int32_t devfn) > object_unref(OBJECT(iommu)); > } > > -static int s390_pcihost_init(SysBusDevice *dev) > +static void s390_pcihost_realize(DeviceState *dev, Error **errp) > { > PCIBus *b; > BusState *bus; > PCIHostState *phb = PCI_HOST_BRIDGE(dev); > S390pciState *s = S390_PCI_HOST_BRIDGE(dev); > + Error *local_err = NULL; > > DPRINTF("host_init\n"); > > - b = pci_register_root_bus(DEVICE(dev), NULL, > - s390_pci_set_irq, s390_pci_map_irq, NULL, > - get_system_memory(), get_system_io(), 0, 64, > - TYPE_PCI_BUS); > + b = pci_register_root_bus(dev, NULL, s390_pci_set_irq, s390_pci_map_irq, > + NULL, get_system_memory(), get_system_io(), 0, > + 64, TYPE_PCI_BUS); > pci_setup_iommu(b, s390_pci_dma_iommu, s); > > bus = BUS(b); > - qbus_set_hotplug_handler(bus, DEVICE(dev), NULL); > + qbus_set_hotplug_handler(bus, dev, &local_err); > + if (local_err) { > + error_propagate(errp, local_err); > + return; > + } > phb->bus = b; > > - s->bus = S390_PCI_BUS(qbus_create(TYPE_S390_PCI_BUS, DEVICE(s), NULL)); > - qbus_set_hotplug_handler(BUS(s->bus), DEVICE(s), NULL); > + s->bus = S390_PCI_BUS(qbus_create(TYPE_S390_PCI_BUS, dev, NULL)); > + qbus_set_hotplug_handler(BUS(s->bus), dev, &local_err); > + if (local_err) { > + error_propagate(errp, local_err); > + return; > + } > > s->iommu_table = g_hash_table_new_full(g_int64_hash, g_int64_equal, > NULL, g_free); > @@ -722,9 +730,10 @@ static int s390_pcihost_init(SysBusDevice *dev) > QTAILQ_INIT(&s->zpci_devs); > > css_register_io_adapters(CSS_IO_ADAPTER_PCI, true, false, > - S390_ADAPTER_SUPPRESSIBLE, &error_abort); > - > - return 0; > + S390_ADAPTER_SUPPRESSIBLE, &local_err); > + if (local_err) { > + error_propagate(errp, local_err); > + } > } > > static int s390_pci_msix_init(S390PCIBusDevice *pbdev) > @@ -1018,12 +1027,11 @@ static void s390_pcihost_reset(DeviceState *dev) > > static void s390_pcihost_class_init(ObjectClass *klass, void *data) > { > - SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); > DeviceClass *dc = DEVICE_CLASS(klass); > HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(klass); > > dc->reset = s390_pcihost_reset; > - k->init = s390_pcihost_init; > + dc->realize = s390_pcihost_realize; > hc->plug = s390_pcihost_hot_plug; > hc->unplug = s390_pcihost_hot_unplug; > msi_nonbroken = true; >