Re: [Qemu-devel] [PATCH 06/16] scsi: Pass size to scsi_bus_new()

[Paolo Bonzini <pbonzini@redhat.com>]

Il 24/08/2013 02:00, Andreas Färber ha scritto:
> To be passed to qbus_create_inplace().
> 
> Use DEVICE() casts instead of direct parent field access.
> 
> Signed-off-by: Andreas Färber <afaerber@suse.de>
> ---
>  hw/scsi/esp-pci.c      | 2 +-
>  hw/scsi/esp.c          | 2 +-
>  hw/scsi/lsi53c895a.c   | 2 +-
>  hw/scsi/megasas.c      | 3 ++-
>  hw/scsi/scsi-bus.c     | 4 ++--
>  hw/scsi/spapr_vscsi.c  | 3 ++-
>  hw/scsi/virtio-scsi.c  | 3 ++-
>  hw/scsi/vmw_pvscsi.c   | 3 ++-
>  hw/usb/dev-storage.c   | 6 ++++--
>  hw/usb/dev-uas.c       | 3 ++-
>  include/hw/scsi/scsi.h | 4 ++--
>  11 files changed, 21 insertions(+), 14 deletions(-)
> 
> diff --git a/hw/scsi/esp-pci.c b/hw/scsi/esp-pci.c
> index d7ec173..99bf8ec 100644
> --- a/hw/scsi/esp-pci.c
> +++ b/hw/scsi/esp-pci.c
> @@ -363,7 +363,7 @@ static int esp_pci_scsi_init(PCIDevice *dev)
>      pci_register_bar(dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &pci->io);
>      s->irq = dev->irq[0];
>  
> -    scsi_bus_new(&s->bus, d, &esp_pci_scsi_info, NULL);
> +    scsi_bus_new(&s->bus, sizeof(s->bus), d, &esp_pci_scsi_info, NULL);
>      if (!d->hotplugged) {
>          scsi_bus_legacy_handle_cmdline(&s->bus, &err);
>          if (err != NULL) {
> diff --git a/hw/scsi/esp.c b/hw/scsi/esp.c
> index 101e957..2d150bf 100644
> --- a/hw/scsi/esp.c
> +++ b/hw/scsi/esp.c
> @@ -688,7 +688,7 @@ static void sysbus_esp_realize(DeviceState *dev, Error **errp)
>  
>      qdev_init_gpio_in(dev, sysbus_esp_gpio_demux, 2);
>  
> -    scsi_bus_new(&s->bus, dev, &esp_scsi_info, NULL);
> +    scsi_bus_new(&s->bus, sizeof(s->bus), dev, &esp_scsi_info, NULL);
>      scsi_bus_legacy_handle_cmdline(&s->bus, &err);
>      if (err != NULL) {
>          error_propagate(errp, err);
> diff --git a/hw/scsi/lsi53c895a.c b/hw/scsi/lsi53c895a.c
> index 611f2aa..0c36842 100644
> --- a/hw/scsi/lsi53c895a.c
> +++ b/hw/scsi/lsi53c895a.c
> @@ -2117,7 +2117,7 @@ static int lsi_scsi_init(PCIDevice *dev)
>      pci_register_bar(dev, 2, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->ram_io);
>      QTAILQ_INIT(&s->queue);
>  
> -    scsi_bus_new(&s->bus, d, &lsi_scsi_info, NULL);
> +    scsi_bus_new(&s->bus, sizeof(s->bus), d, &lsi_scsi_info, NULL);
>      if (!d->hotplugged) {
>          scsi_bus_legacy_handle_cmdline(&s->bus, &err);
>          if (err != NULL) {
> diff --git a/hw/scsi/megasas.c b/hw/scsi/megasas.c
> index a6d5285..09b51b3 100644
> --- a/hw/scsi/megasas.c
> +++ b/hw/scsi/megasas.c
> @@ -2171,7 +2171,8 @@ static int megasas_scsi_init(PCIDevice *dev)
>          s->frames[i].state = s;
>      }
>  
> -    scsi_bus_new(&s->bus, DEVICE(dev), &megasas_scsi_info, NULL);
> +    scsi_bus_new(&s->bus, sizeof(s->bus), DEVICE(dev),
> +                 &megasas_scsi_info, NULL);
>      if (!d->hotplugged) {
>          scsi_bus_legacy_handle_cmdline(&s->bus, &err);
>          if (err != NULL) {
> diff --git a/hw/scsi/scsi-bus.c b/hw/scsi/scsi-bus.c
> index fbf9173..968bf23 100644
> --- a/hw/scsi/scsi-bus.c
> +++ b/hw/scsi/scsi-bus.c
> @@ -72,8 +72,8 @@ static void scsi_device_unit_attention_reported(SCSIDevice *s)
>  }
>  
>  /* Create a scsi bus, and attach devices to it.  */
> -void scsi_bus_new(SCSIBus *bus, DeviceState *host, const SCSIBusInfo *info,
> -                  const char *bus_name)
> +void scsi_bus_new(SCSIBus *bus, size_t bus_size, DeviceState *host,
> +                  const SCSIBusInfo *info, const char *bus_name)
>  {
>      qbus_create_inplace(&bus->qbus, TYPE_SCSI_BUS, host, bus_name);
>      bus->busnr = next_scsi_bus++;
> diff --git a/hw/scsi/spapr_vscsi.c b/hw/scsi/spapr_vscsi.c
> index e9090e5..b2fcd4b 100644
> --- a/hw/scsi/spapr_vscsi.c
> +++ b/hw/scsi/spapr_vscsi.c
> @@ -1020,7 +1020,8 @@ static int spapr_vscsi_init(VIOsPAPRDevice *dev)
>  
>      dev->crq.SendFunc = vscsi_do_crq;
>  
> -    scsi_bus_new(&s->bus, &dev->qdev, &vscsi_scsi_info, NULL);
> +    scsi_bus_new(&s->bus, sizeof(s->bus), DEVICE(dev),
> +                 &vscsi_scsi_info, NULL);
>      if (!dev->qdev.hotplugged) {
>          scsi_bus_legacy_handle_cmdline(&s->bus, &err);
>          if (err != NULL) {
> diff --git a/hw/scsi/virtio-scsi.c b/hw/scsi/virtio-scsi.c
> index 05da56b..3bd690d 100644
> --- a/hw/scsi/virtio-scsi.c
> +++ b/hw/scsi/virtio-scsi.c
> @@ -627,7 +627,8 @@ static int virtio_scsi_device_init(VirtIODevice *vdev)
>          return ret;
>      }
>  
> -    scsi_bus_new(&s->bus, qdev, &virtio_scsi_scsi_info, vdev->bus_name);
> +    scsi_bus_new(&s->bus, sizeof(s->bus), qdev,
> +                 &virtio_scsi_scsi_info, vdev->bus_name);
>  
>      if (!qdev->hotplugged) {
>          scsi_bus_legacy_handle_cmdline(&s->bus, &err);
> diff --git a/hw/scsi/vmw_pvscsi.c b/hw/scsi/vmw_pvscsi.c
> index d42b359..819d671 100644
> --- a/hw/scsi/vmw_pvscsi.c
> +++ b/hw/scsi/vmw_pvscsi.c
> @@ -1088,7 +1088,8 @@ pvscsi_init(PCIDevice *pci_dev)
>          return -ENOMEM;
>      }
>  
> -    scsi_bus_new(&s->bus, &pci_dev->qdev, &pvscsi_scsi_info, NULL);
> +    scsi_bus_new(&s->bus, sizeof(s->bus), DEVICE(pci_dev),
> +                 &pvscsi_scsi_info, NULL);
>      pvscsi_reset_state(s);
>  
>      return 0;
> diff --git a/hw/usb/dev-storage.c b/hw/usb/dev-storage.c
> index a8dc2fa..1d81ac2 100644
> --- a/hw/usb/dev-storage.c
> +++ b/hw/usb/dev-storage.c
> @@ -618,7 +618,8 @@ static int usb_msd_initfn_storage(USBDevice *dev)
>  
>      usb_desc_create_serial(dev);
>      usb_desc_init(dev);
> -    scsi_bus_new(&s->bus, &s->dev.qdev, &usb_msd_scsi_info_storage, NULL);
> +    scsi_bus_new(&s->bus, sizeof(s->bus), DEVICE(dev),
> +                 &usb_msd_scsi_info_storage, NULL);
>      scsi_dev = scsi_bus_legacy_add_drive(&s->bus, bs, 0, !!s->removable,
>                                           s->conf.bootindex, dev->serial,
>                                           &err);
> @@ -646,7 +647,8 @@ static int usb_msd_initfn_bot(USBDevice *dev)
>  
>      usb_desc_create_serial(dev);
>      usb_desc_init(dev);
> -    scsi_bus_new(&s->bus, &s->dev.qdev, &usb_msd_scsi_info_bot, NULL);
> +    scsi_bus_new(&s->bus, sizeof(s->bus), DEVICE(dev),
> +                 &usb_msd_scsi_info_bot, NULL);
>      s->bus.qbus.allow_hotplug = 0;
>      usb_msd_handle_reset(dev);
>  
> diff --git a/hw/usb/dev-uas.c b/hw/usb/dev-uas.c
> index 63ad12e..1569d6e 100644
> --- a/hw/usb/dev-uas.c
> +++ b/hw/usb/dev-uas.c
> @@ -888,7 +888,8 @@ static int usb_uas_init(USBDevice *dev)
>      QTAILQ_INIT(&uas->requests);
>      uas->status_bh = qemu_bh_new(usb_uas_send_status_bh, uas);
>  
> -    scsi_bus_new(&uas->bus, &uas->dev.qdev, &usb_uas_scsi_info, NULL);
> +    scsi_bus_new(&uas->bus, sizeof(uas->bus), DEVICE(dev),
> +                 &usb_uas_scsi_info, NULL);
>  
>      return 0;
>  }
> diff --git a/include/hw/scsi/scsi.h b/include/hw/scsi/scsi.h
> index 8786531..1b66510 100644
> --- a/include/hw/scsi/scsi.h
> +++ b/include/hw/scsi/scsi.h
> @@ -152,8 +152,8 @@ struct SCSIBus {
>      const SCSIBusInfo *info;
>  };
>  
> -void scsi_bus_new(SCSIBus *bus, DeviceState *host, const SCSIBusInfo *info,
> -                  const char *bus_name);
> +void scsi_bus_new(SCSIBus *bus, size_t bus_size, DeviceState *host,
> +                  const SCSIBusInfo *info, const char *bus_name);
>  
>  static inline SCSIBus *scsi_bus_from_device(SCSIDevice *d)
>  {
> 

Acked-by: Paolo Bonzini <pbonzini@redhat.com>