Re: [PATCHv5] staging: vme_user: provide DMA functionality

2015-10-19 Thread Alessio Igor Bogani
Hi, On 19 October 2015 at 11:19, Dmitry Kalinkin wrote: [...] > There is no optimal solution. In vanilla kernel you have just two drivers. You > can either have 8 GE PIO2 boards or 4 GE PIO2 boards and any amount of boards > potentially accessible through vme_user. None of this provides for the

Re: [PATCHv5] staging: vme_user: provide DMA functionality

2015-10-19 Thread Dmitry Kalinkin
> On 2015/10/18, at 18:04, Martyn Welch wrote: > > > > On 18/10/15 18:53, Dmitry Kalinkin wrote: >> On Sun, Oct 18, 2015 at 10:31 AM, Martyn Welch wrote: >>> >>> On 11/10/15 01:13, Dmitry Kalinkin wrote: This introduces a new dma device that provides a single ioctl call that

Re: [PATCHv5] staging: vme_user: provide DMA functionality

2015-10-19 Thread Alessio Igor Bogani
Hi, On 19 October 2015 at 00:04, Martyn Welch wrote: > On 18/10/15 18:53, Dmitry Kalinkin wrote: [...] >> Other drives meaning vme_pio, I don't see any others. All this time >> we are discussing how many GE PIO boards one can plug into a crate >> with or without vme_user. Most of people have

Re: [PATCHv5] staging: vme_user: provide DMA functionality

2015-10-19 Thread Alessio Igor Bogani
Hi, On 19 October 2015 at 11:19, Dmitry Kalinkin wrote: [...] > There is no optimal solution. In vanilla kernel you have just two drivers. You > can either have 8 GE PIO2 boards or 4 GE PIO2 boards and any amount of boards > potentially accessible through vme_user.

Re: [PATCHv5] staging: vme_user: provide DMA functionality

2015-10-19 Thread Dmitry Kalinkin
> On 2015/10/18, at 18:04, Martyn Welch wrote: > > > > On 18/10/15 18:53, Dmitry Kalinkin wrote: >> On Sun, Oct 18, 2015 at 10:31 AM, Martyn Welch wrote: >>> >>> On 11/10/15 01:13, Dmitry Kalinkin wrote: This introduces a new dma device that

Re: [PATCHv5] staging: vme_user: provide DMA functionality

2015-10-19 Thread Alessio Igor Bogani
Hi, On 19 October 2015 at 00:04, Martyn Welch wrote: > On 18/10/15 18:53, Dmitry Kalinkin wrote: [...] >> Other drives meaning vme_pio, I don't see any others. All this time >> we are discussing how many GE PIO boards one can plug into a crate >> with or without vme_user.

Re: [PATCHv5] staging: vme_user: provide DMA functionality

2015-10-18 Thread Martyn Welch
On 18/10/15 18:53, Dmitry Kalinkin wrote: On Sun, Oct 18, 2015 at 10:31 AM, Martyn Welch wrote: On 11/10/15 01:13, Dmitry Kalinkin wrote: This introduces a new dma device that provides a single ioctl call that provides DMA read and write functionality to the user space. Signed-off-by:

Re: [PATCHv5] staging: vme_user: provide DMA functionality

2015-10-18 Thread Dmitry Kalinkin
On Sun, Oct 18, 2015 at 10:31 AM, Martyn Welch wrote: > > > On 11/10/15 01:13, Dmitry Kalinkin wrote: >> >> This introduces a new dma device that provides a single ioctl call that >> provides DMA read and write functionality to the user space. >> >> Signed-off-by: Dmitry Kalinkin >> Cc: Igor

Re: [PATCHv5] staging: vme_user: provide DMA functionality

2015-10-18 Thread Martyn Welch
On 11/10/15 01:13, Dmitry Kalinkin wrote: This introduces a new dma device that provides a single ioctl call that provides DMA read and write functionality to the user space. Signed-off-by: Dmitry Kalinkin Cc: Igor Alekseev ---

Re: [PATCHv5] staging: vme_user: provide DMA functionality

2015-10-18 Thread Martyn Welch
On 18/10/15 18:53, Dmitry Kalinkin wrote: On Sun, Oct 18, 2015 at 10:31 AM, Martyn Welch wrote: On 11/10/15 01:13, Dmitry Kalinkin wrote: This introduces a new dma device that provides a single ioctl call that provides DMA read and write functionality to the user

Re: [PATCHv5] staging: vme_user: provide DMA functionality

2015-10-18 Thread Martyn Welch
On 11/10/15 01:13, Dmitry Kalinkin wrote: This introduces a new dma device that provides a single ioctl call that provides DMA read and write functionality to the user space. Signed-off-by: Dmitry Kalinkin Cc: Igor Alekseev ---

Re: [PATCHv5] staging: vme_user: provide DMA functionality

2015-10-18 Thread Dmitry Kalinkin
On Sun, Oct 18, 2015 at 10:31 AM, Martyn Welch wrote: > > > On 11/10/15 01:13, Dmitry Kalinkin wrote: >> >> This introduces a new dma device that provides a single ioctl call that >> provides DMA read and write functionality to the user space. >> >> Signed-off-by: Dmitry

Re: [PATCHv5] staging: vme_user: provide DMA functionality

2015-10-17 Thread Dmitry Kalinkin
> On 2015/10/17, at 23:52, Greg Kroah-Hartman > wrote: > > On Sun, Oct 11, 2015 at 03:13:25AM +0300, Dmitry Kalinkin wrote: >> This introduces a new dma device that provides a single ioctl call that >> provides DMA read and write functionality to the user space. >> >> Signed-off-by: Dmitry

Re: [PATCHv5] staging: vme_user: provide DMA functionality

2015-10-17 Thread Greg Kroah-Hartman
On Sun, Oct 11, 2015 at 03:13:25AM +0300, Dmitry Kalinkin wrote: > This introduces a new dma device that provides a single ioctl call that > provides DMA read and write functionality to the user space. > > Signed-off-by: Dmitry Kalinkin > Cc: Igor Alekseev > ---

Re: [PATCHv5] staging: vme_user: provide DMA functionality

2015-10-17 Thread Dmitry Kalinkin
> On 2015/10/17, at 23:52, Greg Kroah-Hartman > wrote: > > On Sun, Oct 11, 2015 at 03:13:25AM +0300, Dmitry Kalinkin wrote: >> This introduces a new dma device that provides a single ioctl call that >> provides DMA read and write functionality to the user space. >>

Re: [PATCHv5] staging: vme_user: provide DMA functionality

2015-10-17 Thread Greg Kroah-Hartman
On Sun, Oct 11, 2015 at 03:13:25AM +0300, Dmitry Kalinkin wrote: > This introduces a new dma device that provides a single ioctl call that > provides DMA read and write functionality to the user space. > > Signed-off-by: Dmitry Kalinkin > Cc: Igor Alekseev

[PATCHv5] staging: vme_user: provide DMA functionality

2015-10-10 Thread Dmitry Kalinkin
This introduces a new dma device that provides a single ioctl call that provides DMA read and write functionality to the user space. Signed-off-by: Dmitry Kalinkin Cc: Igor Alekseev ---

[PATCHv5] staging: vme_user: provide DMA functionality

2015-10-10 Thread Dmitry Kalinkin
This introduces a new dma device that provides a single ioctl call that provides DMA read and write functionality to the user space. Signed-off-by: Dmitry Kalinkin Cc: Igor Alekseev ---