you can try to use IOCTL
在2009-04-16?13:56:21，"niranjan?puram"?<[email protected]>?写道： >No?heavy?data?transfer,?I?just?want?to?set?variables?dynamically?from >the?user?space.?So?i?think?declaring?a?kernel?module?parameter?and >changing?it?through?the?/proc?file?system?should?solve?the?problem. >Also?this?is?the?first?time?I?am?programming?in?kernel?:)?so?please >bear?with?me.?Is?there?an?exhaustive?documentation?as?to?how?to?do?it? >Thanks?in?advance. > >On?Thu,?Apr?16,?2009?at?11:18?AM,?sandeep?lahane ><[email protected]>?wrote: >>?On?Thu,?Apr?16,?2009?at?10:47?AM,?Ramesh?<[email protected]>?wrote: >>>?You?could?use?netlink?sockets >>> >>>?On?Wed,?Apr?15,?2009?at?9:56?PM,?niranjan?puram >>>?<[email protected]>?wrote: >>>>?Hello?all, >>>>?????I?need?to?set?some?variables?defined?in?a?kernel?driver?from?the >>>>?user?space.?Is?there?a?clean?simple?way?to?do?that??I?thought?of?the >>>>?following?methods:?socket?connection,?RPC?,etc.?but?was?not?able?to >>>>?find?enough?documentation?regarding?the?same.?Please?help?me,?its >>>>?urgent. >>>> >>>>?Thanks, >>>>?Niranjan?Kumar >>>> >>>>?-- >>>>?To?unsubscribe?from?this?list:?send?an?email?with >>>>?"unsubscribe?kernelnewbies"[email protected] >>>>?Please?read?the?FAQ?at?http://kernelnewbies.org/FAQ >>>> >>>> >>> >>>?-- >>>?To?unsubscribe?from?this?list:?send?an?email?with >>>?"unsubscribe?kernelnewbies"[email protected] >>>?Please?read?the?FAQ?at?http://kernelnewbies.org/FAQ >>> >>> >>>I?need?to?set?some?variables?defined?in?a?kernel?driver?from?the >>>user?space. >> >>?Is?that?all?you?need?to?do??Or?this?involves?heavy?data?transfer? >>?Also,?do?you?need?to?define?certain?things?when?your?kernel?module >>?is?inited?or?you?have?to?do?this?much?later? >> >>?IMHO,?you?can?use?module?params?while?inserting?kernel?module?and >>?depending?on?them?you?can?do?certain?initialization?etc.?If?you?need?it >>?later?i.e.?after?kernel?module?has?been?insmoded?and?being?used?then >>?I?think?you?can?use?/proc?interface.?If?it?involved?data?transfer?between >>?kernel?and?userspace?then?probably?you?will?need?netlink?sockets?etc. >> >>?Regards, >>?Sandeep. >> > >-- >To?unsubscribe?from?this?list:?send?an?email?with >"unsubscribe?kernelnewbies"[email protected] >Please?read?the?FAQ?at?http://kernelnewbies.org/FAQ >
