Hi, Ok , i have undestood, but from user space i can't use pci_find_device(). If i directly in module write, read pci register it is work. How can i read this data from kernel space to user? Thanks Sumit Agarwal wrote: >You have to write a character device driver. >pci_find_device() can be used to find the device on the pci >bus. By looking at the card specification manual, you can >know about the vendor id, model id .. e.t.c. If the >configuration data returned by pci_find_devices() matches >that of your specification then you have found the right >device. Thereafter, allocate the various resources to your >device (interrupt line, addresses e.t.c). Your card is ready >for the specific initializations. > >For more information on Configuration Space of the PCI, >please refer the >PCI local bus specifications. > >Thanks, >Sumit > >Kirill Messel wrote: > >>Hi, >> >>I have a pci card. But i don't understand how can i write driver for it. >>Should it be char device, block device, or proc device or anything else? >>For example, can use in user programm "pci_find_device" function and how >>can i? >> >>Thanks >> >> >>Vinay wrote: >> >>>Hi , >>>PCI based drivers are for the PCI based device . If u'r >>>device is a PCI compliant then u can write a driver for >>>that . >>> >>>Regards, >>>Vinay >>>----- Original Message ----- >>>From: "Kirill Messel" <kirill.messel@mtu-net.ru> >>>To: "Kernel" <kernelnewbies@nl.linux.org> >>>Sent: Thursday, July 04, 2002 2:27 PM >>>Subject: PCI Driver >>> >>> >>>>Hi All, >>>> >>>>I have written char driver. Can i extend this simple example to PCI >>>> >>>driver? >>> >>>>Thanks >>>> >>>> >>>>-- >>>>Kernelnewbies: Help each other learn about the Linux kernel. >>>>Archive: http://mail.nl.linux.org/kernelnewbies/ >>>>FAQ: http://kernelnewbies.org/faq/ >>>> >>> >>> >>-- >>Kernelnewbies: Help each other learn about the Linux kernel. >>Archive: http://mail.nl.linux.org/kernelnewbies/ >>FAQ: http://kernelnewbies.org/faq/ >> > > -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
