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SubjectRe: Module read a file?
Mark Atwood wrote:
>
> "Christopher Friesen" <cfriesen@nortelnetworks.com> writes:
> > Mark Atwood wrote:
> > > I'm modifying a PCMCIA driver module so that it can load new firmware
> > > into the card when it's inserted.
> > > Are their any good examples of kernel code or kernel modules reading a
> > > file out of the filesystem that I could copy or at least look to for
> > > inspiration?
> >
> > What about adding an ioctl() and making a userspace tool to pass the
> > new firmware down in a buffer? This lets you do more complicated
> > error-checking and maybe some sort of validation of the firmware in
> > userspace, saving on kernel size.
>
> Because the firmware is stored in volitile memory on the card, and
> vanishes on a card reset or removal, and I would like to have it Just
> Work with the pcmcia-cs package with minimal changes.

Ah, okay. I was assuming that the firmware was stored in nonvolatile memory.

--
Chris Friesen | MailStop: 043/33/F10
Nortel Networks | work: (613) 765-0557
3500 Carling Avenue | fax: (613) 765-2986
Nepean, ON K2H 8E9 Canada | email: cfriesen@nortelnetworks.com
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