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From: Auger Eric <eric.auger@redhat.com>
To: Bharat Bhushan <bbhushan2@marvell.com>,
	peter.maydell@linaro.org, peterx@redhat.com,
	eric.auger.pro@gmail.com, alex.williamson@redhat.com,
	kevin.tian@intel.com, mst@redhat.com, tnowicki@marvell.com,
	drjones@redhat.com, linuc.decode@gmail.com,
	qemu-devel@nongnu.org, qemu-arm@nongnu.org,
	bharatb.linux@gmail.com, jean-philippe@linaro.org,
	yang.zhong@intel.com
Subject: Re: [PATCH v9 4/9] virtio-iommu: set supported page size mask
Date: Thu, 26 Mar 2020 16:51:44 +0100
Message-ID: <994d9a4f-b8a8-7bda-f5a2-81d65711f580@redhat.com> (raw)
In-Reply-To: <20200323084617.1782-5-bbhushan2@marvell.com>

Hi Bharat,

On 3/23/20 9:46 AM, Bharat Bhushan wrote:
> Add optional interface to set page size mask.
> Currently this is set global configuration and not
> per endpoint.
This allows to override the page size mask per end-point?
> 
> Signed-off-by: Bharat Bhushan <bbhushan2@marvell.com>
> ---
>  include/hw/virtio/virtio-iommu.h | 1 +
>  hw/virtio/virtio-iommu.c         | 9 +++++++++
>  2 files changed, 10 insertions(+)
> 
> diff --git a/include/hw/virtio/virtio-iommu.h b/include/hw/virtio/virtio-iommu.h
> index 6f67f1020a..4efa09610a 100644
> --- a/include/hw/virtio/virtio-iommu.h
> +++ b/include/hw/virtio/virtio-iommu.h
> @@ -35,6 +35,7 @@ typedef struct IOMMUDevice {
>      void         *viommu;
>      PCIBus       *bus;
>      int           devfn;
> +    uint64_t      page_size_mask;
>      IOMMUMemoryRegion  iommu_mr;
>      AddressSpace  as;
>  } IOMMUDevice;
> diff --git a/hw/virtio/virtio-iommu.c b/hw/virtio/virtio-iommu.c
> index 4cee8083bc..a28818202c 100644
> --- a/hw/virtio/virtio-iommu.c
> +++ b/hw/virtio/virtio-iommu.c
> @@ -650,6 +650,14 @@ static gint int_cmp(gconstpointer a, gconstpointer b, gpointer user_data)
>      return (ua > ub) - (ua < ub);
>  }
>  
> +static void virtio_iommu_set_page_size_mask(IOMMUMemoryRegion *mr,
> +                                            uint64_t page_size_mask)
> +{
> +    IOMMUDevice *sdev = container_of(mr, IOMMUDevice, iommu_mr);
> +
> +    sdev->page_size_mask = page_size_mask;
> +}
> +
>  static void virtio_iommu_device_realize(DeviceState *dev, Error **errp)
>  {
>      VirtIODevice *vdev = VIRTIO_DEVICE(dev);
> @@ -865,6 +873,7 @@ static void virtio_iommu_memory_region_class_init(ObjectClass *klass,
>      IOMMUMemoryRegionClass *imrc = IOMMU_MEMORY_REGION_CLASS(klass);
>  
>      imrc->translate = virtio_iommu_translate;
> +    imrc->iommu_set_page_size_mask = virtio_iommu_set_page_size_mask;
>  }
>  
>  static const TypeInfo virtio_iommu_info = {
> 
Thanks

Eric



  reply index

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-23  8:46 [PATCH v9 0/9] virtio-iommu: VFIO integration Bharat Bhushan
2020-03-23  8:46 ` [PATCH v9 1/9] hw/vfio/common: Remove error print on mmio region translation by viommu Bharat Bhushan
2020-03-23 23:08   ` Alex Williamson
2020-03-26 17:35     ` Auger Eric
2020-03-26 17:53       ` Alex Williamson
2020-03-27  5:50         ` [EXT] " Bharat Bhushan
2020-04-02  9:01         ` Bharat Bhushan
2020-04-24 14:17           ` Auger Eric
2020-05-05  9:25             ` Bharat Bhushan
2020-05-05  9:30               ` Auger Eric
2020-05-05  9:46                 ` Bharat Bhushan
2020-05-05 10:18                   ` Bharat Bhushan
2020-05-05 12:05                     ` Auger Eric
2020-05-07 14:40                     ` Auger Eric
2020-03-23  8:46 ` [PATCH v9 2/9] memory: Add interface to set iommu page size mask Bharat Bhushan
2020-03-26 16:06   ` Auger Eric
2020-03-27  5:33     ` [EXT] " Bharat Bhushan
2020-03-27  8:27       ` Auger Eric
2020-03-23  8:46 ` [PATCH v9 3/9] vfio: set iommu page size as per host supported page size Bharat Bhushan
2020-03-23  8:46 ` [PATCH v9 4/9] virtio-iommu: set supported page size mask Bharat Bhushan
2020-03-26 15:51   ` Auger Eric [this message]
2020-03-27  5:13     ` [EXT] " Bharat Bhushan
2020-03-27  8:28       ` Auger Eric
2020-03-23  8:46 ` [PATCH v9 5/9] virtio-iommu: Add iommu notifier for map/unmap Bharat Bhushan
2020-03-23  8:46 ` [PATCH v9 6/9] virtio-iommu: Call iommu notifier for attach/detach Bharat Bhushan
2020-03-23  8:46 ` [PATCH v9 7/9] virtio-iommu: add iommu replay Bharat Bhushan
2020-03-23  8:46 ` [PATCH v9 8/9] virtio-iommu: Implement probe request Bharat Bhushan
2020-03-26 15:48   ` Auger Eric
2020-03-27  5:40     ` [EXT] " Bharat Bhushan
2020-03-27  8:34       ` Auger Eric
2020-04-23 16:09   ` Jean-Philippe Brucker
2020-04-24 13:51     ` Auger Eric
2020-05-05  9:06       ` Bharat Bhushan
2020-05-07 14:42         ` Auger Eric
2020-03-23  8:46 ` [PATCH v9 9/9] virtio-iommu: add iommu notifier memory-region Bharat Bhushan
2020-03-23  9:52 ` [PATCH v9 0/9] virtio-iommu: VFIO integration no-reply
2020-03-23  9:59 ` no-reply

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