Hi , Thanks for the reply . i will try to share some of my code later . Looking forward to ur ideas.
Regards, S.Saravanan On Fri, Jul 13, 2012 at 6:18 PM, Bounine, Alexandre < alexandre.boun...@idt.com> wrote: > This should work. We use similar approach to test our mport HW drivers.** > ** > > ** ** > > Alex.**** > > ** ** > > *From:* Linuxppc-dev [mailto:linuxppc-dev-bounces+alexandre.bounine= > idt....@lists.ozlabs.org] *On Behalf Of *Saravanan S > *Sent:* Friday, July 13, 2012 2:16 AM > *To:* linuxppc-dev@lists.ozlabs.org > *Subject:* Standalone SRIO Driver for Linux**** > > ** ** > > Hi , > > Iam currently working on the GE make DSP230 board consisting of Quad > PowerPC8640 nodes interconnected by SRIO with Linux 2.6.34 . However the > only way to access the SRIO is through rionet facility . Our requirement is > to use the SRIO interconnect without the Ethernet overheads. This would > definitely enable higher speeds (though I cant find any throughput figures > for SRIO in Linux on the net ??? ). My query is that whether any attempt > has been made to develop a standalone driver and API to access the > messaging and doorbell services of SRIO . If no then request you to please > provide inputs on the same. From my study I have the following thoughts for > the driver : > > a) Have a character device interface for user . > b) Basically use the rio support functions provided in rio.c like > rio_add_inb_buffer , rio_add_outb_message to transfer and receive messages > and add buffers . > c) Maintain a dedicated ring of buffers in the driver and transfer data > to and from the buffer to user space . > > > Is this the right direction . Would really appreciate any inputs . thanks > in advance. > > Regards, > > S.Saravanan**** > > > _______________________________________________ > Linuxppc-dev mailing list > Linuxppc-dev@lists.ozlabs.org > https://lists.ozlabs.org/listinfo/linuxppc-dev >
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