Re: [Qemu-ppc] [PATCH v3 18/22] virtio-pci: proxy for virtio-pmem

[David Gibson]

On Thu, Sep 20, 2018 at 12:32:39PM +0200, David Hildenbrand wrote:
> From: Pankaj Gupta <address@hidden>
> 
> We need a proxy device for virtio-pmem.
> 
> Signed-off-by: Pankaj Gupta <address@hidden>
> [ split up patches ]
> Signed-off-by: David Hildenbrand <address@hidden>

Reviewed-by: David Gibson <address@hidden>

> ---
>  hw/virtio/virtio-pci.c | 41 +++++++++++++++++++++++++++++++++++++++++
>  hw/virtio/virtio-pci.h | 14 ++++++++++++++
>  include/hw/pci/pci.h   |  1 +
>  3 files changed, 56 insertions(+)
> 
> diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c
> index 3a01fe90f0..dcfcefc1b5 100644
> --- a/hw/virtio/virtio-pci.c
> +++ b/hw/virtio/virtio-pci.c
> @@ -2521,6 +2521,46 @@ static const TypeInfo virtio_rng_pci_info = {
>      .class_init    = virtio_rng_pci_class_init,
>  };
>  
> +/* virtio-pmem-pci */
> +
> +static void virtio_pmem_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
> +{
> +    VirtIOPMEMPCI *vpmem = VIRTIO_PMEM_PCI(vpci_dev);
> +    DeviceState *vdev = DEVICE(&vpmem->vdev);
> +
> +    qdev_set_parent_bus(vdev, BUS(&vpci_dev->bus));
> +    object_property_set_bool(OBJECT(vdev), true, "realized", errp);
> +}
> +
> +static void virtio_pmem_pci_class_init(ObjectClass *klass, void *data)
> +{
> +    DeviceClass *dc = DEVICE_CLASS(klass);
> +    VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass);
> +    PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass);
> +    k->realize = virtio_pmem_pci_realize;
> +    set_bit(DEVICE_CATEGORY_MISC, dc->categories);
> +    pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
> +    pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_PMEM;
> +    pcidev_k->revision = VIRTIO_PCI_ABI_VERSION;
> +    pcidev_k->class_id = PCI_CLASS_OTHERS;
> +}
> +
> +static void virtio_pmem_pci_instance_init(Object *obj)
> +{
> +    VirtIOPMEMPCI *dev = VIRTIO_PMEM_PCI(obj);
> +
> +    virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
> +                                TYPE_VIRTIO_PMEM);
> +}
> +
> +static const TypeInfo virtio_pmem_pci_info = {
> +    .name          = TYPE_VIRTIO_PMEM_PCI,
> +    .parent        = TYPE_VIRTIO_PCI,
> +    .instance_size = sizeof(VirtIOPMEMPCI),
> +    .instance_init = virtio_pmem_pci_instance_init,
> +    .class_init    = virtio_pmem_pci_class_init,
> +};
> +
>  /* virtio-input-pci */
>  
>  static Property virtio_input_pci_properties[] = {
> @@ -2714,6 +2754,7 @@ static void virtio_pci_register_types(void)
>      type_register_static(&virtio_balloon_pci_info);
>      type_register_static(&virtio_serial_pci_info);
>      type_register_static(&virtio_net_pci_info);
> +    type_register_static(&virtio_pmem_pci_info);
>  #ifdef CONFIG_VHOST_SCSI
>      type_register_static(&vhost_scsi_pci_info);
>  #endif
> diff --git a/hw/virtio/virtio-pci.h b/hw/virtio/virtio-pci.h
> index 813082b0d7..fe74fcad3f 100644
> --- a/hw/virtio/virtio-pci.h
> +++ b/hw/virtio/virtio-pci.h
> @@ -19,6 +19,7 @@
>  #include "hw/virtio/virtio-blk.h"
>  #include "hw/virtio/virtio-net.h"
>  #include "hw/virtio/virtio-rng.h"
> +#include "hw/virtio/virtio-pmem.h"
>  #include "hw/virtio/virtio-serial.h"
>  #include "hw/virtio/virtio-scsi.h"
>  #include "hw/virtio/virtio-balloon.h"
> @@ -57,6 +58,7 @@ typedef struct VirtIOInputHostPCI VirtIOInputHostPCI;
>  typedef struct VirtIOGPUPCI VirtIOGPUPCI;
>  typedef struct VHostVSockPCI VHostVSockPCI;
>  typedef struct VirtIOCryptoPCI VirtIOCryptoPCI;
> +typedef struct VirtIOPMEMPCI VirtIOPMEMPCI;
>  
>  /* virtio-pci-bus */
>  
> @@ -274,6 +276,18 @@ struct VirtIOBlkPCI {
>      VirtIOBlock vdev;
>  };
>  
> +/*
> + * virtio-pmem-pci: This extends VirtioPCIProxy.
> + */
> +#define TYPE_VIRTIO_PMEM_PCI "virtio-pmem-pci"
> +#define VIRTIO_PMEM_PCI(obj) \
> +        OBJECT_CHECK(VirtIOPMEMPCI, (obj), TYPE_VIRTIO_PMEM_PCI)
> +
> +struct VirtIOPMEMPCI {
> +    VirtIOPCIProxy parent_obj;
> +    VirtIOPMEM vdev;
> +};
> +
>  /*
>   * virtio-balloon-pci: This extends VirtioPCIProxy.
>   */
> diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h
> index 990d6fcbde..28829b6437 100644
> --- a/include/hw/pci/pci.h
> +++ b/include/hw/pci/pci.h
> @@ -85,6 +85,7 @@ extern bool pci_available;
>  #define PCI_DEVICE_ID_VIRTIO_RNG         0x1005
>  #define PCI_DEVICE_ID_VIRTIO_9P          0x1009
>  #define PCI_DEVICE_ID_VIRTIO_VSOCK       0x1012
> +#define PCI_DEVICE_ID_VIRTIO_PMEM        0x1013
>  
>  #define PCI_VENDOR_ID_REDHAT             0x1b36
>  #define PCI_DEVICE_ID_REDHAT_BRIDGE      0x0001

-- 
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

signature.asc
Description: PGP signature