Re: [dpdk-dev] [PATCH 08/40] net/virtio: force IOVA as VA mode for Virtio-user

2021-01-06 Thread Kinsella, Ray
On 06/01/2021 09:11, Thomas Monjalon wrote: > 06/01/2021 10:06, David Marchand: >> On Sun, Dec 20, 2020 at 10:14 PM Maxime Coquelin >> wrote: >>> diff --git a/drivers/net/virtio/virtio_user_ethdev.c >>> b/drivers/net/virtio/virtio_user_ethdev.c >>> index 1f1f63a1a5..f4775ff141 100644 >>> --- a

Re: [dpdk-dev] [PATCH 08/40] net/virtio: force IOVA as VA mode for Virtio-user

2021-01-06 Thread Maxime Coquelin
On 1/6/21 10:11 AM, Thomas Monjalon wrote: > 06/01/2021 10:06, David Marchand: >> On Sun, Dec 20, 2020 at 10:14 PM Maxime Coquelin >> wrote: >>> diff --git a/drivers/net/virtio/virtio_user_ethdev.c >>> b/drivers/net/virtio/virtio_user_ethdev.c >>> index 1f1f63a1a5..f4775ff141 100644 >>> --- a/

Re: [dpdk-dev] [PATCH 08/40] net/virtio: force IOVA as VA mode for Virtio-user

2021-01-06 Thread Maxime Coquelin
On 1/6/21 10:06 AM, David Marchand wrote: > On Sun, Dec 20, 2020 at 10:14 PM Maxime Coquelin > wrote: >> diff --git a/drivers/net/virtio/virtio_user_ethdev.c >> b/drivers/net/virtio/virtio_user_ethdev.c >> index 1f1f63a1a5..f4775ff141 100644 >> --- a/drivers/net/virtio/virtio_user_ethdev.c >>

Re: [dpdk-dev] [PATCH 08/40] net/virtio: force IOVA as VA mode for Virtio-user

2021-01-06 Thread Thomas Monjalon
06/01/2021 10:06, David Marchand: > On Sun, Dec 20, 2020 at 10:14 PM Maxime Coquelin > wrote: > > diff --git a/drivers/net/virtio/virtio_user_ethdev.c > > b/drivers/net/virtio/virtio_user_ethdev.c > > index 1f1f63a1a5..f4775ff141 100644 > > --- a/drivers/net/virtio/virtio_user_ethdev.c > > +++ b/

Re: [dpdk-dev] [PATCH 08/40] net/virtio: force IOVA as VA mode for Virtio-user

2021-01-06 Thread David Marchand
On Sun, Dec 20, 2020 at 10:14 PM Maxime Coquelin wrote: > diff --git a/drivers/net/virtio/virtio_user_ethdev.c > b/drivers/net/virtio/virtio_user_ethdev.c > index 1f1f63a1a5..f4775ff141 100644 > --- a/drivers/net/virtio/virtio_user_ethdev.c > +++ b/drivers/net/virtio/virtio_user_ethdev.c > @@ -66

Re: [dpdk-dev] [PATCH 08/40] net/virtio: force IOVA as VA mode for Virtio-user

2020-12-29 Thread Xia, Chenbo
Hi Maxime, > -Original Message- > From: Maxime Coquelin > Sent: Monday, December 21, 2020 5:14 AM > To: dev@dpdk.org; Xia, Chenbo ; olivier.m...@6wind.com; > amore...@redhat.com; david.march...@redhat.com > Cc: Maxime Coquelin > Subject: [PATCH 08/40] net/virtio: force IOVA as VA mode fo

[dpdk-dev] [PATCH 08/40] net/virtio: force IOVA as VA mode for Virtio-user

2020-12-20 Thread Maxime Coquelin
At least Vhost-user backend of Virtio-user PMD requires IOVA as VA mode. Until now, it was implemented as a hack by forcing to use mbuf's buf_addr field instead of buf_iova. This patcv removes all this logic and just fails probing if IOVA as VA mode is not selected. It simplifies the code overall,