On Tue, Sep 5, 2023 at 3:45 PM Peter Xu wrote:
>
> On Tue, Sep 05, 2023 at 09:38:39AM +0200, Mattias Nissler wrote:
> > It would be nice to use a property on the device that originates the
> > DMA operation to configure this. However, I don't see how to do this
> > in a reasonable way without
On Tue, Sep 05, 2023 at 09:38:39AM +0200, Mattias Nissler wrote:
> It would be nice to use a property on the device that originates the
> DMA operation to configure this. However, I don't see how to do this
> in a reasonable way without bigger changes: A typical call path is
> pci_dma_map ->
On Fri, Sep 1, 2023 at 3:41 PM Markus Armbruster wrote:
>
> Stefan Hajnoczi writes:
>
> > On Wed, Aug 23, 2023 at 04:54:06PM -0400, Peter Xu wrote:
> >> On Wed, Aug 23, 2023 at 10:08:08PM +0200, Mattias Nissler wrote:
> >> > On Wed, Aug 23, 2023 at 7:35 PM Peter Xu wrote:
> >> > > On Wed, Aug
Stefan Hajnoczi writes:
> On Wed, Aug 23, 2023 at 04:54:06PM -0400, Peter Xu wrote:
>> On Wed, Aug 23, 2023 at 10:08:08PM +0200, Mattias Nissler wrote:
>> > On Wed, Aug 23, 2023 at 7:35 PM Peter Xu wrote:
>> > > On Wed, Aug 23, 2023 at 02:29:02AM -0700, Mattias Nissler wrote:
>> > > > diff
On Wed, Aug 23, 2023 at 04:54:06PM -0400, Peter Xu wrote:
> On Wed, Aug 23, 2023 at 10:08:08PM +0200, Mattias Nissler wrote:
> > On Wed, Aug 23, 2023 at 7:35 PM Peter Xu wrote:
> > > On Wed, Aug 23, 2023 at 02:29:02AM -0700, Mattias Nissler wrote:
> > > > diff --git a/softmmu/vl.c b/softmmu/vl.c
On Wed, Aug 23, 2023 at 10:54 PM Peter Xu wrote:
>
> On Wed, Aug 23, 2023 at 10:08:08PM +0200, Mattias Nissler wrote:
> > Peter, thanks for taking a look and providing feedback!
> >
> > On Wed, Aug 23, 2023 at 7:35 PM Peter Xu wrote:
> > >
> > > On Wed, Aug 23, 2023 at 02:29:02AM -0700, Mattias
On Wed, Aug 23, 2023 at 10:08:08PM +0200, Mattias Nissler wrote:
> Peter, thanks for taking a look and providing feedback!
>
> On Wed, Aug 23, 2023 at 7:35 PM Peter Xu wrote:
> >
> > On Wed, Aug 23, 2023 at 02:29:02AM -0700, Mattias Nissler wrote:
> > > When DMA memory can't be directly
Peter, thanks for taking a look and providing feedback!
On Wed, Aug 23, 2023 at 7:35 PM Peter Xu wrote:
>
> On Wed, Aug 23, 2023 at 02:29:02AM -0700, Mattias Nissler wrote:
> > When DMA memory can't be directly accessed, as is the case when
> > running the device model in a separate process
On Wed, Aug 23, 2023 at 02:29:02AM -0700, Mattias Nissler wrote:
> When DMA memory can't be directly accessed, as is the case when
> running the device model in a separate process without shareable DMA
> file descriptors, bounce buffering is used.
>
> It is not uncommon for device models to
When DMA memory can't be directly accessed, as is the case when
running the device model in a separate process without shareable DMA
file descriptors, bounce buffering is used.
It is not uncommon for device models to request mapping of several DMA
regions at the same time. Examples include:
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