On Tue, Jun 08, 2004 at 12:50:44AM -0700, Chuck Tuffli wrote:
> [This is definitely a newbie question ...]
> 
> I'm trying to create the skeleton of a LKM for a PCI device and can't
> seem to get the *_match() function to be called. The driver defines
> 
> struct cfattach svdrv_ca = {
> 	sizeof(struct svdrv_softc), svdrv_pci_match, svdrv_pci_attach
> };
> 
> for PCI and
> 
> static struct cdevsw svdrv_dev = {
> 	svdrv_open,
> 	svdrv_close,
> ...
> };
> 
> MOD_DEV("svdrv", "svdrv", NULL, -1, &svdrv_dev, -1);
> 
> for the char driver interface. Loading the driver with
> 
> modload -e svdrv_lkmentry svdrv.o
> 
> prints the message associated with the *_handle() function, but
> svdrv_pci_match() doesn't ever print it's message. Is there an
> additional step or definition that the driver needs to be recognized
> by the PCI bus driver? Thanks for any help or pointers.

Yes, you have to probe and attach the device yourself.

I coded a pcilkm module layer a while ago, you can just use it.

http://cubidou.nerim.net/pcilkm.tgz

It should be self-explanatory enough.

Quentin Garnier.