On Tue, 2021-08-31 at 13:39 -0700, David Christensen wrote:
> >
> > This series allow Indirect DMA using DDW when available, which
> > usually
> > means bigger pagesizes and more TCEs, and so more DMA space.
>
> How is the mapping method selected? LPAR creation via the HMC, Linux
> kernel load p
On 8/31/21 1:18 PM, Leonardo Brás wrote:
Hello David,
Sorry for the delay, I did not get your mail because I was not CC'd
in your reply (you sent the mail just to the mailing list).
Replies bellow:
On Mon, 2021-08-30 at 10:48 -0700, David Christensen wrote:
On 8/16/21 11:39 PM, Leonardo Br
Hello David,
Sorry for the delay, I did not get your mail because I was not CC'd
in your reply (you sent the mail just to the mailing list).
Replies bellow:
On Mon, 2021-08-30 at 10:48 -0700, David Christensen wrote:
> On 8/16/21 11:39 PM, Leonardo Bras wrote:
> > So far it's assumed possible to
On Tue, 17 Aug 2021 03:39:18 -0300, Leonardo Bras wrote:
> So far it's assumed possible to map the guest RAM 1:1 to the bus, which
> works with a small number of devices. SRIOV changes it as the user can
> configure hundreds VFs and since phyp preallocates TCEs and does not
> allow IOMMU pages bigg
On 8/16/21 11:39 PM, Leonardo Bras wrote:
So far it's assumed possible to map the guest RAM 1:1 to the bus, which
works with a small number of devices. SRIOV changes it as the user can
configure hundreds VFs and since phyp preallocates TCEs and does not
allow IOMMU pages bigger than 64K, it ha
