Hi Robin
On 12/13/18 1:37 PM, Robin Murphy wrote:
> On 2018-12-12 3:27 pm, Auger Eric wrote:
>> Hi,
>>
>> On 12/12/18 3:56 PM, Michael S. Tsirkin wrote:
>>> On Fri, Dec 07, 2018 at 06:52:31PM +, Jean-Philippe Brucker wrote:
Sorry for the delay, I wanted to do a little more performance
Hi,
On 12/12/18 3:56 PM, Michael S. Tsirkin wrote:
> On Fri, Dec 07, 2018 at 06:52:31PM +, Jean-Philippe Brucker wrote:
>> Sorry for the delay, I wanted to do a little more performance analysis
>> before continuing.
>>
>> On 27/11/2018 18:10, Michael S. Tsirkin wrote:
>>> On Tue, Nov 27, 2018
On Fri, Dec 07, 2018 at 06:52:31PM +, Jean-Philippe Brucker wrote:
> Sorry for the delay, I wanted to do a little more performance analysis
> before continuing.
>
> On 27/11/2018 18:10, Michael S. Tsirkin wrote:
> > On Tue, Nov 27, 2018 at 05:55:20PM +, Jean-Philippe Brucker wrote:
>
On 10/12/2018 22:53, Michael S. Tsirkin wrote:
> On Mon, Dec 10, 2018 at 03:06:47PM +, Jean-Philippe Brucker wrote:
>> On 27/11/2018 18:53, Michael S. Tsirkin wrote:
>>> On Tue, Nov 27, 2018 at 06:10:46PM +, Jean-Philippe Brucker wrote:
On 27/11/2018 18:04, Michael S. Tsirkin wrote:
On Mon, Dec 10, 2018 at 03:06:47PM +, Jean-Philippe Brucker wrote:
> On 27/11/2018 18:53, Michael S. Tsirkin wrote:
> > On Tue, Nov 27, 2018 at 06:10:46PM +, Jean-Philippe Brucker wrote:
> >> On 27/11/2018 18:04, Michael S. Tsirkin wrote:
> >>> On Tue, Nov 27, 2018 at 05:50:50PM +,
On 27/11/2018 18:53, Michael S. Tsirkin wrote:
> On Tue, Nov 27, 2018 at 06:10:46PM +, Jean-Philippe Brucker wrote:
>> On 27/11/2018 18:04, Michael S. Tsirkin wrote:
>>> On Tue, Nov 27, 2018 at 05:50:50PM +, Jean-Philippe Brucker wrote:
On 23/11/2018 22:02, Michael S. Tsirkin wrote:
Sorry for the delay, I wanted to do a little more performance analysis
before continuing.
On 27/11/2018 18:10, Michael S. Tsirkin wrote:
> On Tue, Nov 27, 2018 at 05:55:20PM +, Jean-Philippe Brucker wrote:
+ if (!virtio_has_feature(vdev, VIRTIO_F_VERSION_1) ||
+
On Tue, Nov 27, 2018 at 06:10:46PM +, Jean-Philippe Brucker wrote:
> On 27/11/2018 18:04, Michael S. Tsirkin wrote:
> > On Tue, Nov 27, 2018 at 05:50:50PM +, Jean-Philippe Brucker wrote:
> >> On 23/11/2018 22:02, Michael S. Tsirkin wrote:
> +/*
> + * __viommu_sync_req - Complete
On Tue, Nov 27, 2018 at 05:50:50PM +, Jean-Philippe Brucker wrote:
> > I didn't notice this in the past but it seems this will spin
> > with interrupts disabled until host handles the request.
> > Please do not do this - host execution can be another
> > task that needs the same host CPU. This
On Tue, Nov 27, 2018 at 05:58:18PM +, Jean-Philippe Brucker wrote:
> On 23/11/2018 21:48, Michael S. Tsirkin wrote:
> >> +struct virtio_iommu_config {
> >> + /* Supported page sizes */
> >> + __u64 page_size_mask;
> >> + /* Supported IOVA range */
> >> +
On 27/11/2018 18:04, Michael S. Tsirkin wrote:
> On Tue, Nov 27, 2018 at 05:50:50PM +, Jean-Philippe Brucker wrote:
>> On 23/11/2018 22:02, Michael S. Tsirkin wrote:
+/*
+ * __viommu_sync_req - Complete all in-flight requests
+ *
+ * Wait for all added requests to complete.
On Tue, Nov 27, 2018 at 05:55:20PM +, Jean-Philippe Brucker wrote:
> On 23/11/2018 21:56, Michael S. Tsirkin wrote:
> >> +config VIRTIO_IOMMU
> >> + bool "Virtio IOMMU driver"
> >> + depends on VIRTIO=y
> >> + select IOMMU_API
> >> + select INTERVAL_TREE
> >> + select ARM_DMA_USE_IOMMU if
On Tue, Nov 27, 2018 at 05:50:50PM +, Jean-Philippe Brucker wrote:
> On 23/11/2018 22:02, Michael S. Tsirkin wrote:
> >> +/*
> >> + * __viommu_sync_req - Complete all in-flight requests
> >> + *
> >> + * Wait for all added requests to complete. When this function returns,
> >> all
> >> + *
On 23/11/2018 21:48, Michael S. Tsirkin wrote:
>> +struct virtio_iommu_config {
>> +/* Supported page sizes */
>> +__u64 page_size_mask;
>> +/* Supported IOVA range */
>> +struct virtio_iommu_range input_range;
>> +/* Max domain
On 23/11/2018 21:56, Michael S. Tsirkin wrote:
>> +config VIRTIO_IOMMU
>> +bool "Virtio IOMMU driver"
>> +depends on VIRTIO=y
>> +select IOMMU_API
>> +select INTERVAL_TREE
>> +select ARM_DMA_USE_IOMMU if ARM
>> +help
>> + Para-virtualised IOMMU driver with virtio.
>> +
On 23/11/2018 22:02, Michael S. Tsirkin wrote:
>> +/*
>> + * __viommu_sync_req - Complete all in-flight requests
>> + *
>> + * Wait for all added requests to complete. When this function returns, all
>> + * requests that were in-flight at the time of the call have completed.
>> + */
>> +static int
On Thu, Nov 22, 2018 at 07:37:59PM +, Jean-Philippe Brucker wrote:
> The virtio IOMMU is a para-virtualized device, allowing to send IOMMU
> requests such as map/unmap over virtio transport without emulating page
> tables. This implementation handles ATTACH, DETACH, MAP and UNMAP
> requests.
>
On Thu, Nov 22, 2018 at 07:37:59PM +, Jean-Philippe Brucker wrote:
> The virtio IOMMU is a para-virtualized device, allowing to send IOMMU
> requests such as map/unmap over virtio transport without emulating page
> tables. This implementation handles ATTACH, DETACH, MAP and UNMAP
> requests.
>
On Thu, Nov 22, 2018 at 07:37:59PM +, Jean-Philippe Brucker wrote:
> The virtio IOMMU is a para-virtualized device, allowing to send IOMMU
> requests such as map/unmap over virtio transport without emulating page
> tables. This implementation handles ATTACH, DETACH, MAP and UNMAP
> requests.
>
Hi Jean,
On 11/22/18 8:37 PM, Jean-Philippe Brucker wrote:
> The virtio IOMMU is a para-virtualized device, allowing to send IOMMU
> requests such as map/unmap over virtio transport without emulating page
> tables. This implementation handles ATTACH, DETACH, MAP and UNMAP
> requests.
>
> The
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