Hi all,
I am trying to find out how the generic IDE driver works.
Does it use the libata api?
I followed the code path and found out that the Block subsystem calls
do_hd_request() in file drivers/ide/legacy/hd.c function when
read/write is needed to be done. it then calls hd_request. which finds
out the type of request. if it is write operation it calls hd_out
which issues ATA command 0x30 (READ SECTORS).
is it correct?
where is the DMA involved?
--
---------------------------------------------------------------
regards
Manish Regmi
---------------------------------------------------------------
UNIX without a C Compiler is like eating Spaghetti with your mouth
sewn shut. It just doesn't make sense.
--
Kernelnewbies: Help each other learn about the Linux kernel.
Archive: http://mail.nl.linux.org/kernelnewbies/
FAQ: http://kernelnewbies.org/faq/
