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Re: [Qemu-devel] [PATCH 1/8] qdev/pci: add pci_create_noinit()


From: Markus Armbruster
Subject: Re: [Qemu-devel] [PATCH 1/8] qdev/pci: add pci_create_noinit()
Date: Fri, 11 Sep 2009 16:14:31 +0200
User-agent: Gnus/5.11 (Gnus v5.11) Emacs/22.3 (gnu/linux)

Gerd Hoffmann <address@hidden> writes:

> Like pci_create_simple() but doesn't call qdev_init(), so one can
> set properties before initializing the device.
>
> Signed-off-by: Gerd Hoffmann <address@hidden>
> ---
>  hw/pci.c |   11 ++++++++---
>  hw/pci.h |    1 +
>  2 files changed, 9 insertions(+), 3 deletions(-)
>
> diff --git a/hw/pci.c b/hw/pci.c
> index c12b0be..64d70ed 100644
> --- a/hw/pci.c
> +++ b/hw/pci.c
> @@ -923,15 +923,20 @@ void pci_qdev_register_many(PCIDeviceInfo *info)
>      }
>  }
>  
> -PCIDevice *pci_create_simple(PCIBus *bus, int devfn, const char *name)
> +PCIDevice *pci_create_noinit(PCIBus *bus, int devfn, const char *name)
>  {
>      DeviceState *dev;
>  
>      dev = qdev_create(&bus->qbus, name);
>      qdev_prop_set_uint32(dev, "addr", devfn);
> -    qdev_init(dev);
> +    return DO_UPCAST(PCIDevice, qdev, dev);
> +}

Okay, this is qdev_create() specialized for PCI.  What about calling it
just pci_create()?

>  
> -    return (PCIDevice *)dev;
> +PCIDevice *pci_create_simple(PCIBus *bus, int devfn, const char *name)
> +{
> +    PCIDevice *dev = pci_create_noinit(bus, devfn, name);
> +    qdev_init(&dev->qdev);
> +    return dev;
>  }
>  
>  static int pci_find_space(PCIDevice *pdev, uint8_t size)
> diff --git a/hw/pci.h b/hw/pci.h
> index 6196b6a..e7bf33a 100644
> --- a/hw/pci.h
> +++ b/hw/pci.h
> @@ -328,6 +328,7 @@ void pci_qdev_register(PCIDeviceInfo *info);
>  void pci_qdev_register_many(PCIDeviceInfo *info);
>  
>  PCIDevice *pci_create(const char *name, const char *devaddr);
> +PCIDevice *pci_create_noinit(PCIBus *bus, int devfn, const char *name);
>  PCIDevice *pci_create_simple(PCIBus *bus, int devfn, const char *name);
>  
>  /* lsi53c895a.c */




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