Muli Ben-Yehuda wrote:
On Sun, Jan 16, 2005 at 01:40:28PM +0200, yakoub abaya wrote:
Is there a special interface for communication
between : device driver <-> daemon ,
other than conventional ipc ?
( i know of pipes , signal & kill )
read and write on a device file, a new file system, /sysfs, /procfs,
ioctl (not a good idea), add your own syscalls, etc, etc.
A better question is what do you want to do?
Cheers, Muli
my project in OS course , is to write disk device simulator so a daemon simulates disk hardware by writing data to files (as it is requested in th e sheet paper)
course staff didn't teach us anything about actual kernel API , and metargel knows nothing about linux they told us named pipes won't work in linux only in windows ...
i need to write daemon and driver to make this happen
from what i read in the internet :
the driver will use gendisk structure ,and pass requests
(buffer and sector address) to daemon which
in turn writes buffer to file using lseek for addressing sectors
i need to learn more about request queue
the project discription says i need to give each command specail id so the the daemon could deal with them...that baffles me
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