Re: DMA Engine: Transfer From Userspace

2020-06-25 Thread Thomas Ruf
> On 25 June 2020 at 02:42 Dave Jiang wrote: > > > > > On 6/21/2020 12:24 AM, Vinod Koul wrote: > > On 19-06-20, 16:31, Dave Jiang wrote: > >> > >> > >> On 6/19/2020 3:47 PM, Federico Vaga wrote: > >>> Hello, > >>> > >>> is there the possibility of using a DMA engine channel from userspace?

Re: DMA Engine: Transfer From Userspace

2020-06-22 Thread Thomas Ruf
> On 22 June 2020 at 06:47 Vinod Koul wrote: > > On 21-06-20, 22:36, Federico Vaga wrote: > > On Sun, Jun 21, 2020 at 12:54:57PM +0530, Vinod Koul wrote: > > > On 19-06-20, 16:31, Dave Jiang wrote: > > > > > > > > > > > > On 6/19/2020 3:47 PM, Federico Vaga wrote: > > > > > Hello, > > > > > > >

Re: DMA Engine: Transfer From Userspace

2020-06-22 Thread Thomas Ruf
> On 22 June 2020 at 14:27 Richard Weinberger > wrote: > > > On Mon, Jun 22, 2020 at 2:02 PM Thomas Ruf wrote: > > > more the reason not do do so, why cant a kernel driver be added for your > > > usage? > > > > by chance i have written a driver all

Re: DMA Engine: Transfer From Userspace

2020-06-22 Thread Thomas Ruf
> On 22 June 2020 at 14:30 Federico Vaga wrote: > > > On Mon, Jun 22, 2020 at 02:01:12PM +0200, Thomas Ruf wrote: > >> On 22 June 2020 at 06:47 Vinod Koul wrote: > >> > >> On 21-06-20, 22:36, Federico Vaga wrote: > >> > On Sun, Jun 21, 2020

Re: DMA Engine: Transfer From Userspace

2020-06-22 Thread Thomas Ruf
> On 22 June 2020 at 17:54 Vinod Koul wrote: > > > On 22-06-20, 14:01, Thomas Ruf wrote: > > > On 22 June 2020 at 06:47 Vinod Koul wrote: > > > > > > On 21-06-20, 22:36, Federico Vaga wrote: > > > > On Sun, Jun 21, 2020 at 12:54:57PM +0

Re: DMA Engine: Transfer From Userspace

2020-07-01 Thread Thomas Ruf
> On 30 June 2020 at 14:31 Peter Ujfalusi wrote: > > > > > On 29/06/2020 18.18, Thomas Ruf wrote: > > > >> On 26 June 2020 at 12:29 Peter Ujfalusi wrote: > >> > >> On 24/06/2020 16.58, Thomas Ruf wrote: > >>> > >>

Re: DMA Engine: Transfer From Userspace

2020-06-29 Thread Thomas Ruf
> On 26 June 2020 at 12:29 Peter Ujfalusi wrote: > > On 24/06/2020 16.58, Thomas Ruf wrote: > > > >> On 24 June 2020 at 14:07 Peter Ujfalusi wrote: > >> On 24/06/2020 12.38, Vinod Koul wrote: > >>> On 24-06-20, 11:30, Thomas Ruf wrote: > &g

Re: DMA Engine: Transfer From Userspace

2020-06-29 Thread Thomas Ruf
> On 26 June 2020 at 22:08 Ira Weiny wrote: > > > On Thu, Jun 25, 2020 at 10:11:28AM +0200, Thomas Ruf wrote: > > > > > On 25 June 2020 at 02:42 Dave Jiang wrote: > > > > > > > > > > > > > > > On 6/21/2020

Re: DMA Engine: Transfer From Userspace

2020-06-24 Thread Thomas Ruf
> On 22 June 2020 at 18:34 Thomas Ruf wrote: > > > > > On 22 June 2020 at 17:54 Vinod Koul wrote: > > > > > > On 22-06-20, 14:01, Thomas Ruf wrote: > > > > On 22 June 2020 at 06:47 Vinod Koul wrote: > > > > > > > >

Re: DMA Engine: Transfer From Userspace

2020-06-24 Thread Thomas Ruf
> On 24 June 2020 at 14:07 Peter Ujfalusi wrote: > On 24/06/2020 12.38, Vinod Koul wrote: > > On 24-06-20, 11:30, Thomas Ruf wrote: > > > >> To make it short - i have two questions: > >> - what are the chances to revive DMA_SG? > > > > 100%, if