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Re: [Qemu-devel] [PATCH v2 1/5] pci: conventional-pci-device and pci-exp


From: David Gibson
Subject: Re: [Qemu-devel] [PATCH v2 1/5] pci: conventional-pci-device and pci-express-device interfaces
Date: Thu, 28 Sep 2017 14:04:57 +1000
User-agent: Mutt/1.9.0 (2017-09-02)

On Wed, Sep 27, 2017 at 04:56:31PM -0300, Eduardo Habkost wrote:
> Those two interfaces will be used to indicate which device types
> support Conventional PCI or PCI Express buses.  Management
> software will be able to use the qom-list-types QMP command to
> query that information.
> 
> Signed-off-by: Eduardo Habkost <address@hidden>

Reviewed-by: David Gibson <address@hidden>

> ---
> Changes v1 -> v2:
> * s/legacy/conventional/
>   * Suggested-by: Alex Williamson <address@hidden>
> ---
>  include/hw/pci/pci.h |  6 ++++++
>  hw/pci/pci.c         | 12 ++++++++++++
>  2 files changed, 18 insertions(+)
> 
> diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h
> index aa7ef9cf69..8d02a0a383 100644
> --- a/include/hw/pci/pci.h
> +++ b/include/hw/pci/pci.h
> @@ -198,6 +198,12 @@ enum {
>  #define PCI_DEVICE_GET_CLASS(obj) \
>       OBJECT_GET_CLASS(PCIDeviceClass, (obj), TYPE_PCI_DEVICE)
>  
> +/* Implemented by devices that can be plugged on PCI Express buses */
> +#define INTERFACE_PCIE_DEVICE "pci-express-device"
> +
> +/* Implemented by devices that can be plugged on Conventional PCI buses */
> +#define INTERFACE_CONVENTIONAL_PCI_DEVICE "conventional-pci-device"
> +
>  typedef struct PCIINTxRoute {
>      enum {
>          PCI_INTX_ENABLED,
> diff --git a/hw/pci/pci.c b/hw/pci/pci.c
> index 1e6fb88eba..1b08e18205 100644
> --- a/hw/pci/pci.c
> +++ b/hw/pci/pci.c
> @@ -170,6 +170,16 @@ static const TypeInfo pci_bus_info = {
>      .class_init = pci_bus_class_init,
>  };
>  
> +static const TypeInfo pcie_interface_info = {
> +    .name          = INTERFACE_PCIE_DEVICE,
> +    .parent        = TYPE_INTERFACE,
> +};
> +
> +static const TypeInfo conventional_pci_interface_info = {
> +    .name          = INTERFACE_CONVENTIONAL_PCI_DEVICE,
> +    .parent        = TYPE_INTERFACE,
> +};
> +
>  static const TypeInfo pcie_bus_info = {
>      .name = TYPE_PCIE_BUS,
>      .parent = TYPE_PCI_BUS,
> @@ -2667,6 +2677,8 @@ static void pci_register_types(void)
>  {
>      type_register_static(&pci_bus_info);
>      type_register_static(&pcie_bus_info);
> +    type_register_static(&conventional_pci_interface_info);
> +    type_register_static(&pcie_interface_info);
>      type_register_static(&pci_device_type_info);
>  }
>  

-- 
David Gibson                    | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au  | minimalist, thank you.  NOT _the_ _other_
                                | _way_ _around_!
http://www.ozlabs.org/~dgibson

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