Linux PCI driver.

testlaster testlaster at gmail.com
Mon Aug 18 08:30:33 EDT 2014


Hi Greg

Yes I have read the book and some of it does make sense to me.

What doesnt make sense though is that my pci.h file that I have found 
/include/linux only has like 30 lines max?

None of the functions in the book are in the header.

Thanks
Testo

On 8/18/2014 10:35 AM, Greg KH wrote:
> On Mon, Aug 18, 2014 at 09:50:44AM +0200, testlaster wrote:
>> Hey Guys
>>
>> Im writing a PCI driver in Linux ( Lubuntu ). Now its not an entire
>> driver its really just a little program that will latch onto a space of
>> ram and dump the entire content of the ram into a file.
>> I have done this before in a Unix/Linux based OS and it took me quite a
>> while to figure it out.
>>
>> So at startup the configuration for the PCI is already done so I wont
>> have to do any of that myself.
>> I really just need to set a pointer to a register.
>>
>> My problem is that I cant find the functions to do that for linux.
>> I cant find similar functions to things like :
>> PCI_ATTACH()
>> pci_attach_device();
>> mmap_device_memory();
>>
>> I think that is really all I need at the moment.
>> Anybody have some ideas of where I can start looking?
> Have you read the book, Linux Device Drivers, 3rd edition, it's free
> online and has a whole chapter on PCI that should answer these questions
> for you.
>
> If not, please feel free to post your code and we will be glad to review
> it.
>
> thanks,
>
> greg k-h




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