RE: FW: Guidance on resources for User Space Device Drivers on 2.6 kernel

2007-12-06 Thread Jaursch, Bill
Your point is well taken. I will probably end of with a system daemon (User Space), but pass communication via a Kernel module (Kernel Space). The application can call the kernel module, passing data back to the daemon (User Space). Once I have hw, I may just use the kernel module. Thanks

Re: FW: Guidance on resources for User Space Device Drivers on 2.6 kernel

2007-12-06 Thread Stefan Richter
Jaursch, Bill wrote: > The reason to even consider a driver for this "Software only" driver > was to start the work of writing a kernel space driver (loadable > module). So more specifically, I wanted to know if there is a way > to use calls to the kernel to access a loadable module that is >

Re: FW: Guidance on resources for User Space Device Drivers on 2.6 kernel

2007-12-06 Thread Stefan Richter
Adrian Bunk wrote: > On Wed, Dec 05, 2007 at 01:29:23AM -0500, Jaursch, Bill wrote: >> I have am in the process of writing a driver that is software only. >> I would like to avoid the caveats of a kernel mode installable module. >>... > > What is "a driver that is software only" > (all kernel

Re: FW: Guidance on resources for User Space Device Drivers on 2.6 kernel

2007-12-06 Thread Leon Woestenberg
> If you have any other suggestions on projects, articles, etc. on Linux User > Space Device Drivers, I would greatly appreciate the information. > A suggestion: UIO: user-space drivers, since kernel version 2.6.21 http://lwn.net/Articles/232575/ Regards, -- Leon -- To unsubscribe from this

Re: FW: Guidance on resources for User Space Device Drivers on 2.6 kernel

2007-12-06 Thread Adrian Bunk
On Wed, Dec 05, 2007 at 01:29:23AM -0500, Jaursch, Bill wrote: > I have am in the process of writing a driver that is software only.  I would > like to avoid the caveats of a kernel mode installable module. >... What is "a driver that is software only" (all kernel code is also software only...)?

Re: FW: Guidance on resources for User Space Device Drivers on 2.6 kernel

2007-12-06 Thread Adrian Bunk
On Wed, Dec 05, 2007 at 01:29:23AM -0500, Jaursch, Bill wrote: I have am in the process of writing a driver that is software only.  I would like to avoid the caveats of a kernel mode installable module. ... What is a driver that is software only (all kernel code is also software only...)? You

Re: FW: Guidance on resources for User Space Device Drivers on 2.6 kernel

2007-12-06 Thread Leon Woestenberg
If you have any other suggestions on projects, articles, etc. on Linux User Space Device Drivers, I would greatly appreciate the information. A suggestion: UIO: user-space drivers, since kernel version 2.6.21 http://lwn.net/Articles/232575/ Regards, -- Leon -- To unsubscribe from this

Re: FW: Guidance on resources for User Space Device Drivers on 2.6 kernel

2007-12-06 Thread Stefan Richter
Adrian Bunk wrote: On Wed, Dec 05, 2007 at 01:29:23AM -0500, Jaursch, Bill wrote: I have am in the process of writing a driver that is software only. I would like to avoid the caveats of a kernel mode installable module. ... What is a driver that is software only (all kernel code is also

Re: FW: Guidance on resources for User Space Device Drivers on 2.6 kernel

2007-12-06 Thread Stefan Richter
Jaursch, Bill wrote: The reason to even consider a driver for this Software only driver was to start the work of writing a kernel space driver (loadable module). So more specifically, I wanted to know if there is a way to use calls to the kernel to access a loadable module that is running

RE: FW: Guidance on resources for User Space Device Drivers on 2.6 kernel

2007-12-06 Thread Jaursch, Bill
Your point is well taken. I will probably end of with a system daemon (User Space), but pass communication via a Kernel module (Kernel Space). The application can call the kernel module, passing data back to the daemon (User Space). Once I have hw, I may just use the kernel module. Thanks