#sucessfully implement the /proc in device driver....
RCS file: application.c,v
Working file: application.c
head: 1.34
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total revisions: 34; selected revisions: 34
description:
this is the application program in the user space
open write and close is used
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revision 1.34
date: 2014/06/08 10:27:10; author: root; state: Exp; lines: +3 -3
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revision 1.33
date: 2014/06/08 10:17:20; author: root; state: Exp; lines: +4 -0
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revision 1.32
date: 2014/06/08 10:13:33; author: root; state: Exp; lines: +2 -0
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revision 1.31
date: 2014/06/08 10:03:52; author: root; state: Exp; lines: +1 -1
make arg instead of &arg
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revision 1.30
date: 2014/06/08 07:10:04; author: root; state: Exp; lines: +2 -1
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revision 1.29
date: 2014/06/08 05:14:38; author: root; state: Exp; lines: +1 -0
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revision 1.28
date: 2014/06/07 12:59:04; author: root; state: Exp; lines: +1 -1
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revision 1.27
date: 2014/06/07 12:57:58; author: root; state: Exp; lines: +1 -1
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revision 1.26
date: 2014/06/07 12:45:21; author: root; state: Exp; lines: +3 -3
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revision 1.25
date: 2014/06/07 12:42:55; author: root; state: Exp; lines: +1 -1
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revision 1.24
date: 2014/06/07 12:42:03; author: root; state: Exp; lines: +2 -1
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revision 1.23
date: 2014/06/07 12:37:56; author: root; state: Exp; lines: +6 -2
call a system call for the SCULL_SQUANTUM
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revision 1.22
date: 2014/06/07 12:31:14; author: root; state: Exp; lines: +2 -2
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revision 1.21
date: 2014/06/07 10:20:19; author: root; state: Exp; lines: +1 -1
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revision 1.20
date: 2014/06/07 10:11:16; author: root; state: Exp; lines: +1 -0
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revision 1.19
date: 2014/06/07 09:55:19; author: root; state: Exp; lines: +3 -1
make a call for the othe macro i.e for the SCUlL_GQUANTUM
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revision 1.18
date: 2014/06/07 09:35:52; author: root; state: Exp; lines: +5 -1
make a application call for the ioctl
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revision 1.17
date: 2014/06/02 12:09:20; author: root; state: Exp; lines: +1 -1
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revision 1.16
date: 2014/05/30 07:19:57; author: root; state: Exp; lines: +1 -1
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revision 1.15
date: 2014/05/30 07:09:07; author: root; state: Exp; lines: +2 -2
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revision 1.14
date: 2014/05/29 06:06:43; author: root; state: Exp; lines: +1 -1
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revision 1.13
date: 2014/05/29 06:05:10; author: root; state: Exp; lines: +1 -1
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revision 1.12
date: 2014/05/29 05:44:00; author: root; state: Exp; lines: +1 -1
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revision 1.11
date: 2014/05/29 05:43:01; author: root; state: Exp; lines: +1 -1
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revision 1.10
date: 2014/05/29 05:38:44; author: root; state: Exp; lines: +1 -1
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revision 1.9
date: 2014/05/29 05:37:02; author: root; state: Exp; lines: +2 -2
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revision 1.8
date: 2014/05/26 11:19:01; author: root; state: Exp; lines: +2 -2
seeking operation applied
apply SEEK_SET. and call lseek in application layer
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revision 1.7
date: 2014/05/26 06:00:53; author: root; state: Exp; lines: +10 -4
not open the node in RDWR mode because the node either open in the WR mode or in RD mode because its tbecause if we make it fullduplex then data get mingle.
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revision 1.6
date: 2014/05/25 11:29:25; author: root; state: Exp; lines: +11 -7
open the file in the O_RDWR mode then its capable to read and write from the files.
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revision 1.5
date: 2014/05/24 11:49:01; author: root; state: Exp; lines: +9 -9
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revision 1.4
date: 2014/05/24 11:35:56; author: root; state: Exp; lines: +12 -12
close the fd for the writing then open it again in the read mode.
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revision 1.3
date: 2014/05/24 09:07:54; author: root; state: Exp; lines: +16 -2
close the fd for the write operation(important to close the fd otherwise use lseek)
then open in the read mode then read while using its file descriptor.
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revision 1.2
date: 2014/05/24 07:49:26; author: root; state: Exp; lines: +1 -1
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revision 1.1
date: 2014/05/24 07:17:20; author: root; state: Exp;
Initial revision
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RCS file: devlseek.c,v
Working file: devlseek.c
head: 1.3
branch:
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access list:
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keyword substitution: kv
total revisions: 3; selected revisions: 3
description:
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revision 1.3
date: 2014/06/02 07:22:38; author: root; state: Exp; lines: +2 -2
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revision 1.2
date: 2014/05/30 07:09:37; author: root; state: Exp; lines: +4 -2
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revision 1.1
date: 2014/05/25 11:30:12; author: root; state: Exp;
Initial revision
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RCS file: devwrite.c,v
Working file: devwrite.c
head: 1.15
branch:
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access list:
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total revisions: 15; selected revisions: 15
description:
used to write in the multiple quantum
multiple qset
then use copy_from_user.
very important file and hard too.
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revision 1.15
date: 2014/06/05 06:54:22; author: root; state: Exp; lines: +4 -2
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revision 1.14
date: 2014/06/05 05:56:16; author: root; state: Exp; lines: +2 -2
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revision 1.13
date: 2014/06/05 05:07:03; author: root; state: Exp; lines: +5 -3
use the spin_lock and spin_unlock
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revision 1.12
date: 2014/06/03 12:48:15; author: root; state: Exp; lines: +1 -0
given the complete call in the last...
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revision 1.11
date: 2014/06/03 12:44:22; author: root; state: Exp; lines: +1 -1
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revision 1.10
date: 2014/06/03 04:57:08; author: root; state: Exp; lines: +4 -3
apply the wait_for_completion() same as the downing the semaphore...
apply the complete() same as the uping the semaphore...
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revision 1.9
date: 2014/06/03 04:28:45; author: root; state: Exp; lines: +2 -1
making up the semaphore above the returing.....
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revision 1.8
date: 2014/06/03 04:21:25; author: root; state: Exp; lines: +1 -1
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revision 1.7
date: 2014/06/02 12:11:54; author: root; state: Exp; lines: +1 -1
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revision 1.6
date: 2014/06/02 11:45:08; author: root; state: Exp; lines: +1 -1
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revision 1.5
date: 2014/06/02 05:14:55; author: root; state: Exp; lines: +1 -1
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revision 1.4
date: 2014/06/02 04:51:17; author: root; state: Exp; lines: +5 -0
making down and up the semaphore by using down_interruptible() and up() respectively
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revision 1.3
date: 2014/05/25 09:31:31; author: root; state: Exp; lines: +11 -4
use the loff and filep->f_pos to see the position of the pointer.
this loff and filep->f_pos could not be updated automatically so we make the updation.
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revision 1.2
date: 2014/05/24 07:47:23; author: root; state: Exp; lines: +1 -1
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revision 1.1
date: 2014/05/24 07:17:56; author: root; state: Exp;
Initial revision
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RCS file: init.c,v
Working file: init.c
head: 1.11
branch:
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access list:
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keyword substitution: kv
total revisions: 11; selected revisions: 11
description:
this is used to insert the module the register the module.
in this i dont use trim function.
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revision 1.11
date: 2014/06/17 13:23:44; author: root; state: Exp; lines: +18 -2
call the creat_proc_entry_read...
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revision 1.10
date: 2014/06/16 13:23:35; author: root; state: Exp; lines: +2 -0
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revision 1.9
date: 2014/06/16 13:02:05; author: root; state: Exp; lines: +1 -0
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revision 1.8
date: 2014/06/16 12:33:57; author: root; state: Exp; lines: +6 -0
create the proc entry as *create_proc_entry() and works fine for me....as the entry is listed in the /proc...
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revision 1.7
date: 2014/06/05 06:54:20; author: root; state: Exp; lines: +4 -4
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revision 1.6
date: 2014/06/05 05:55:48; author: root; state: Exp; lines: +4 -2
use the rwlock_t
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revision 1.5
date: 2014/06/05 05:05:37; author: root; state: Exp; lines: +3 -1
make the init
init_apin_lock is applied here....
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revision 1.4
date: 2014/06/03 04:56:36; author: root; state: Exp; lines: +2 -1
initilize the completion by init_completion above the cdev_add...
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revision 1.3
date: 2014/06/02 11:38:52; author: root; state: Exp; lines: +1 -1
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revision 1.2
date: 2014/06/02 04:50:25; author: root; state: Exp; lines: +1 -0
initilize the binary semaphore before the cdev_add using the sema_init()
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revision 1.1
date: 2014/05/24 07:12:20; author: root; state: Exp;
Initial revision
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RCS file: prototype.h,v
Working file: prototype.h
head: 1.4
branch:
locks: strict
access list:
symbolic names:
keyword substitution: kv
total revisions: 4; selected revisions: 4
description:
declare the prototype.
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revision 1.4
date: 2014/06/07 09:35:22; author: root; state: Exp; lines: +2 -0
write the prototype for the scullioctl
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revision 1.3
date: 2014/05/25 11:29:17; author: root; state: Exp; lines: +1 -0
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revision 1.2
date: 2014/05/24 09:07:02; author: root; state: Exp; lines: +2 -0
mention the prototype of the read call which is is fs.h header file and is in the struct file_operations {
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revision 1.1
date: 2014/05/24 07:14:52; author: root; state: Exp;
Initial revision
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RCS file: devopen.c,v
Working file: devopen.c
head: 1.3
branch:
locks: strict
access list:
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keyword substitution: kv
total revisions: 3; selected revisions: 3
description:
open the module in the kernel layer by passing the argument from the application layer of the open system call.
here we are not using the trim funciton.
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revision 1.3
date: 2014/06/02 11:43:23; author: root; state: Exp; lines: +5 -5
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revision 1.2
date: 2014/06/02 11:38:54; author: root; state: Exp; lines: +7 -3
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revision 1.1
date: 2014/05/24 07:15:18; author: root; state: Exp;
Initial revision
=============================================================================
RCS file: ioctl.c,v
Working file: ioctl.c
head: 1.22
branch:
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keyword substitution: kv
total revisions: 22; selected revisions: 22
description:
the file corresponds to unlocked_ioctl...
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revision 1.22
date: 2014/06/08 08:09:38; author: root; state: Exp; lines: +1 -0
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revision 1.21
date: 2014/06/08 08:09:05; author: root; state: Exp; lines: +2 -0
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revision 1.20
date: 2014/06/08 05:36:29; author: root; state: Exp; lines: +1 -1
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revision 1.19
date: 2014/06/08 05:23:12; author: root; state: Exp; lines: +1 -1
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revision 1.18
date: 2014/06/08 05:15:34; author: root; state: Exp; lines: +1 -1
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revision 1.17
date: 2014/06/08 05:14:39; author: root; state: Exp; lines: +1 -0
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revision 1.16
date: 2014/06/07 13:09:16; author: root; state: Exp; lines: +1 -1
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revision 1.15
date: 2014/06/07 13:08:24; author: root; state: Exp; lines: +1 -1
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revision 1.14
date: 2014/06/07 13:07:43; author: root; state: Exp; lines: +2 -0
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revision 1.13
date: 2014/06/07 12:48:51; author: root; state: Exp; lines: +1 -0
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revision 1.12
date: 2014/06/07 12:44:11; author: root; state: Exp; lines: +1 -1
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revision 1.11
date: 2014/06/07 12:40:50; author: root; state: Exp; lines: +1 -1
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revision 1.10
date: 2014/06/07 12:38:55; author: root; state: Exp; lines: +5 -0
make the defination for the SULL_SQUANTUM
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revision 1.9
date: 2014/06/07 12:31:19; author: root; state: Exp; lines: +4 -3
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revision 1.8
date: 2014/06/07 10:21:43; author: root; state: Exp; lines: +1 -1
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revision 1.7
date: 2014/06/07 10:21:08; author: root; state: Exp; lines: +1 -1
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revision 1.6
date: 2014/06/07 10:12:39; author: root; state: Exp; lines: +1 -0
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revision 1.5
date: 2014/06/07 10:10:06; author: root; state: Exp; lines: +1 -1
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revision 1.4
date: 2014/06/07 09:55:55; author: root; state: Exp; lines: +1 -0
use put_user
use put_user() to written in the application layer.
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revision 1.3
date: 2014/06/07 09:47:26; author: root; state: Exp; lines: +9 -1
making the switch for the different MACRO of IOCTL
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revision 1.2
date: 2014/06/07 09:43:12; author: root; state: Exp; lines: +1 -1
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revision 1.1
date: 2014/06/07 09:30:35; author: root; state: Exp;
Initial revision
=============================================================================
RCS file: cleanup.c,v
Working file: cleanup.c
head: 1.3
branch:
locks: strict
root: 1.3
access list:
symbolic names:
keyword substitution: kv
total revisions: 3; selected revisions: 3
description:
this is used to remove and unregistered the module from the /proc/devices table.
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revision 1.3 locked by: root;
date: 2014/06/16 13:00:23; author: root; state: Exp; lines: +1 -1
pass 0 istead of NULL in the parent...
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revision 1.2
date: 2014/06/16 12:35:08; author: root; state: Exp; lines: +1 -0
remove the entry from the /proc.....and works file for me.... :)
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revision 1.1
date: 2014/05/24 07:13:18; author: root; state: Exp;
Initial revision
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RCS file: devread.c,v
Working file: devread.c
head: 1.29
branch:
locks: strict
access list:
symbolic names:
keyword substitution: kv
total revisions: 29; selected revisions: 29
description:
write the fuction for the read which is work in the kernel layer.
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revision 1.29
date: 2014/06/08 10:29:24; author: root; state: Exp; lines: +5 -5
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revision 1.28
date: 2014/06/08 10:26:24; author: root; state: Exp; lines: +1 -1
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revision 1.27
date: 2014/06/08 10:21:43; author: root; state: Exp; lines: +5 -5
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revision 1.26
date: 2014/06/05 06:54:23; author: root; state: Exp; lines: +4 -2
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revision 1.25
date: 2014/06/05 06:29:11; author: root; state: Exp; lines: +2 -2
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revision 1.24
date: 2014/06/05 06:02:00; author: root; state: Exp; lines: +2 -2
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revision 1.23
date: 2014/06/05 05:56:16; author: root; state: Exp; lines: +2 -2
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revision 1.22
date: 2014/06/05 05:07:23; author: root; state: Exp; lines: +6 -3
use the spin_lock and the spin_unlock...
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revision 1.21
date: 2014/06/03 12:48:40; author: root; state: Exp; lines: +1 -0
give the wait_for_completion in the start...
and complete in the last....
work fine....in the different application accesing the same node....
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revision 1.20
date: 2014/06/03 05:00:49; author: root; state: Exp; lines: +3 -2
apply the completion in the devread.
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revision 1.19
date: 2014/06/03 04:58:08; author: root; state: Exp; lines: +2 -2
remove the semaphore...
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revision 1.18
date: 2014/06/03 04:29:10; author: root; state: Exp; lines: +1 -1
making up the semaphore above the returing...
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revision 1.17
date: 2014/06/03 04:23:54; author: root; state: Exp; lines: +3 -1
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revision 1.16
date: 2014/06/02 12:00:36; author: root; state: Exp; lines: +1 -1
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revision 1.15
date: 2014/06/02 11:45:09; author: root; state: Exp; lines: +2 -2
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revision 1.14
date: 2014/06/02 05:14:57; author: root; state: Exp; lines: +1 -1
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revision 1.13
date: 2014/06/02 05:08:38; author: root; state: Exp; lines: +2 -2
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revision 1.12
date: 2014/06/02 04:52:46; author: root; state: Exp; lines: +6 -0
making down and up the semaphore by using the down_interruptible() and up() respectively.
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revision 1.11
date: 2014/05/30 11:03:46; author: root; state: Exp; lines: +1 -0
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revision 1.10
date: 2014/05/30 07:09:09; author: root; state: Exp; lines: +13 -8
implement the SEEK_SET again.
and it work file
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revision 1.9
date: 2014/05/26 11:19:45; author: root; state: Exp; lines: +28 -9
draw logic for the seek operation.
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revision 1.8
date: 2014/05/24 11:40:26; author: root; state: Exp; lines: +9 -5
give the defination for the read function.
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revision 1.7
date: 2014/05/24 10:34:09; author: root; state: Exp; lines: +7 -2
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revision 1.6
date: 2014/05/24 09:28:15; author: root; state: Exp; lines: +5 -5
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revision 1.5
date: 2014/05/24 09:26:24; author: root; state: Exp; lines: +7 -7
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revision 1.4
date: 2014/05/24 09:21:09; author: root; state: Exp; lines: +1 -1
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revision 1.3
date: 2014/05/24 09:19:17; author: root; state: Exp; lines: +1 -1
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revision 1.2
date: 2014/05/24 09:16:07; author: root; state: Exp; lines: +1 -0
make a access to the private data to the sculldev
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revision 1.1
date: 2014/05/24 09:09:26; author: root; state: Exp;
Initial revision
=============================================================================
RCS file: fileopr.h,v
Working file: fileopr.h
head: 1.4
branch:
locks: strict
access list:
symbolic names:
keyword substitution: kv
total revisions: 4; selected revisions: 4
description:
used for the mapping purpose.
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revision 1.4
date: 2014/06/07 09:36:06; author: root; state: Exp; lines: +2 -1
mapp the unlocked_ioctl with the scull_ioctl
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revision 1.3
date: 2014/05/25 11:30:20; author: root; state: Exp; lines: +2 -1
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revision 1.2
date: 2014/05/24 09:09:56; author: root; state: Exp; lines: +2 -1
do the mapping of read
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revision 1.1
date: 2014/05/24 07:18:55; author: root; state: Exp;
Initial revision
=============================================================================
RCS file: ioctl.c,v
Working file: ioctl.c
head: 1.22
branch:
locks: strict
access list:
symbolic names:
keyword substitution: kv
total revisions: 22; selected revisions: 22
description:
the file corresponds to unlocked_ioctl...
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revision 1.22
date: 2014/06/08 08:09:38; author: root; state: Exp; lines: +1 -0
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revision 1.21
date: 2014/06/08 08:09:05; author: root; state: Exp; lines: +2 -0
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revision 1.20
date: 2014/06/08 05:36:29; author: root; state: Exp; lines: +1 -1
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revision 1.19
date: 2014/06/08 05:23:12; author: root; state: Exp; lines: +1 -1
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revision 1.18
date: 2014/06/08 05:15:34; author: root; state: Exp; lines: +1 -1
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revision 1.17
date: 2014/06/08 05:14:39; author: root; state: Exp; lines: +1 -0
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revision 1.16
date: 2014/06/07 13:09:16; author: root; state: Exp; lines: +1 -1
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revision 1.15
date: 2014/06/07 13:08:24; author: root; state: Exp; lines: +1 -1
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revision 1.14
date: 2014/06/07 13:07:43; author: root; state: Exp; lines: +2 -0
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revision 1.13
date: 2014/06/07 12:48:51; author: root; state: Exp; lines: +1 -0
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revision 1.12
date: 2014/06/07 12:44:11; author: root; state: Exp; lines: +1 -1
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revision 1.11
date: 2014/06/07 12:40:50; author: root; state: Exp; lines: +1 -1
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revision 1.10
date: 2014/06/07 12:38:55; author: root; state: Exp; lines: +5 -0
make the defination for the SULL_SQUANTUM
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revision 1.9
date: 2014/06/07 12:31:19; author: root; state: Exp; lines: +4 -3
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revision 1.8
date: 2014/06/07 10:21:43; author: root; state: Exp; lines: +1 -1
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revision 1.7
date: 2014/06/07 10:21:08; author: root; state: Exp; lines: +1 -1
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revision 1.6
date: 2014/06/07 10:12:39; author: root; state: Exp; lines: +1 -0
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revision 1.5
date: 2014/06/07 10:10:06; author: root; state: Exp; lines: +1 -1
*** empty log message ***
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revision 1.4
date: 2014/06/07 09:55:55; author: root; state: Exp; lines: +1 -0
use put_user
use put_user() to written in the application layer.
----------------------------
revision 1.3
date: 2014/06/07 09:47:26; author: root; state: Exp; lines: +9 -1
making the switch for the different MACRO of IOCTL
----------------------------
revision 1.2
date: 2014/06/07 09:43:12; author: root; state: Exp; lines: +1 -1
*** empty log message ***
----------------------------
revision 1.1
date: 2014/06/07 09:30:35; author: root; state: Exp;
Initial revision
=============================================================================
RCS file: declaration.h,v
Working file: declaration.h
head: 1.4
branch:
locks: strict
access list:
symbolic names:
keyword substitution: kv
total revisions: 4; selected revisions: 4
description:
define some macros which are freq uently used in our program.
----------------------------
revision 1.4
date: 2014/06/05 06:54:21; author: root; state: Exp; lines: +2 -2
*** empty log message ***
----------------------------
revision 1.3
date: 2014/06/05 05:56:14; author: root; state: Exp; lines: +2 -1
*** empty log message ***
----------------------------
revision 1.2
date: 2014/06/05 05:06:10; author: root; state: Exp; lines: +1 -0
make the extern variable spinlock_t lock
----------------------------
revision 1.1
date: 2014/05/24 07:14:06; author: root; state: Exp;
Initial revision
=============================================================================
RCS file: devrelease.c,v
Working file: devrelease.c
head: 1.1
branch:
locks: strict
access list:
symbolic names:
keyword substitution: kv
total revisions: 1; selected revisions: 1
description:
for closeing the module
----------------------------
revision 1.1
date: 2014/05/24 07:16:45; author: root; state: Exp;
Initial revision
=============================================================================
RCS file: header.h,v
Working file: header.h
head: 1.6
branch:
locks: strict
access list:
symbolic names:
keyword substitution: kv
total revisions: 6; selected revisions: 6
description:
define macros and include header file in this and make a ScullDev and ScullQset structure in this.
----------------------------
revision 1.6
date: 2014/06/16 12:33:19; author: root; state: Exp; lines: +1 -0
include the header file for the proc i.e <linux/proc_fs.h>
----------------------------
revision 1.5
date: 2014/06/07 09:29:12; author: root; state: Exp; lines: +3 -0
here we include the header file <asm-generic/ioctl.h>
here we also include the user define ioctl.h header file.
----------------------------
revision 1.4
date: 2014/06/05 05:05:01; author: root; state: Exp; lines: +2 -0
include the header file for the spinlock....i.e spinlock.h
----------------------------
revision 1.3
date: 2014/06/03 04:56:00; author: root; state: Exp; lines: +2 -0
include the header file <linux.completion.h> for the completion...
----------------------------
revision 1.2
date: 2014/06/02 04:49:56; author: root; state: Exp; lines: +3 -1
include the linux/semaphore.h header file for the semaphores.
----------------------------
revision 1.1
date: 2014/05/24 07:11:00; author: root; state: Exp;
Initial revision
=============================================================================
RCS file: read_proc.h,v
Working file: read_proc.h
head: 1.1
branch:
locks: strict
access list:
symbolic names:
keyword substitution: kv
total revisions: 1; selected revisions: 1
description:
this is the read proc file...
----------------------------
revision 1.1
date: 2014/06/19 05:06:08; author: root; state: Exp;
Initial revision
=============================================================================
#sucessfully implement the /proc in device driver....
RCS file: application.c,v
Working file: application.c
head: 1.34
branch:
locks: strict
access list:
symbolic names:
keyword substitution: kv
total revisions: 34; selected revisions: 34
description:
this is the application program in the user space
open write and close is used
----------------------------
revision 1.34
date: 2014/06/08 10:27:10; author: root; state: Exp; lines: +3 -3
*** empty log message ***
----------------------------
revision 1.33
date: 2014/06/08 10:17:20; author: root; state: Exp; lines: +4 -0
*** empty log message ***
----------------------------
revision 1.32
date: 2014/06/08 10:13:33; author: root; state: Exp; lines: +2 -0
*** empty log message ***
----------------------------
revision 1.31
date: 2014/06/08 10:03:52; author: root; state: Exp; lines: +1 -1
make arg instead of &arg
----------------------------
revision 1.30
date: 2014/06/08 07:10:04; author: root; state: Exp; lines: +2 -1
*** empty log message ***
----------------------------
revision 1.29
date: 2014/06/08 05:14:38; author: root; state: Exp; lines: +1 -0
*** empty log message ***
----------------------------
revision 1.28
date: 2014/06/07 12:59:04; author: root; state: Exp; lines: +1 -1
*** empty log message ***
----------------------------
revision 1.27
date: 2014/06/07 12:57:58; author: root; state: Exp; lines: +1 -1
*** empty log message ***
----------------------------
revision 1.26
date: 2014/06/07 12:45:21; author: root; state: Exp; lines: +3 -3
*** empty log message ***
----------------------------
revision 1.25
date: 2014/06/07 12:42:55; author: root; state: Exp; lines: +1 -1
*** empty log message ***
----------------------------
revision 1.24
date: 2014/06/07 12:42:03; author: root; state: Exp; lines: +2 -1
*** empty log message ***
----------------------------
revision 1.23
date: 2014/06/07 12:37:56; author: root; state: Exp; lines: +6 -2
call a system call for the SCULL_SQUANTUM
----------------------------
revision 1.22
date: 2014/06/07 12:31:14; author: root; state: Exp; lines: +2 -2
*** empty log message ***
----------------------------
revision 1.21
date: 2014/06/07 10:20:19; author: root; state: Exp; lines: +1 -1
*** empty log message ***
----------------------------
revision 1.20
date: 2014/06/07 10:11:16; author: root; state: Exp; lines: +1 -0
*** empty log message ***
----------------------------
revision 1.19
date: 2014/06/07 09:55:19; author: root; state: Exp; lines: +3 -1
make a call for the othe macro i.e for the SCUlL_GQUANTUM
----------------------------
revision 1.18
date: 2014/06/07 09:35:52; author: root; state: Exp; lines: +5 -1
make a application call for the ioctl
----------------------------
revision 1.17
date: 2014/06/02 12:09:20; author: root; state: Exp; lines: +1 -1
*** empty log message ***
----------------------------
revision 1.16
date: 2014/05/30 07:19:57; author: root; state: Exp; lines: +1 -1
*** empty log message ***
----------------------------
revision 1.15
date: 2014/05/30 07:09:07; author: root; state: Exp; lines: +2 -2
*** empty log message ***
----------------------------
revision 1.14
date: 2014/05/29 06:06:43; author: root; state: Exp; lines: +1 -1
*** empty log message ***
----------------------------
revision 1.13
date: 2014/05/29 06:05:10; author: root; state: Exp; lines: +1 -1
*** empty log message ***
----------------------------
revision 1.12
date: 2014/05/29 05:44:00; author: root; state: Exp; lines: +1 -1
*** empty log message ***
----------------------------
revision 1.11
date: 2014/05/29 05:43:01; author: root; state: Exp; lines: +1 -1
*** empty log message ***
----------------------------
revision 1.10
date: 2014/05/29 05:38:44; author: root; state: Exp; lines: +1 -1
*** empty log message ***
----------------------------
revision 1.9
date: 2014/05/29 05:37:02; author: root; state: Exp; lines: +2 -2
*** empty log message ***
----------------------------
revision 1.8
date: 2014/05/26 11:19:01; author: root; state: Exp; lines: +2 -2
seeking operation applied
apply SEEK_SET. and call lseek in application layer
----------------------------
revision 1.7
date: 2014/05/26 06:00:53; author: root; state: Exp; lines: +10 -4
not open the node in RDWR mode because the node either open in the WR mode or in RD mode because its tbecause if we make it fullduplex then data get mingle.
----------------------------
revision 1.6
date: 2014/05/25 11:29:25; author: root; state: Exp; lines: +11 -7
open the file in the O_RDWR mode then its capable to read and write from the files.
----------------------------
revision 1.5
date: 2014/05/24 11:49:01; author: root; state: Exp; lines: +9 -9
*** empty log message ***
----------------------------
revision 1.4
date: 2014/05/24 11:35:56; author: root; state: Exp; lines: +12 -12
close the fd for the writing then open it again in the read mode.
----------------------------
revision 1.3
date: 2014/05/24 09:07:54; author: root; state: Exp; lines: +16 -2
close the fd for the write operation(important to close the fd otherwise use lseek)
then open in the read mode then read while using its file descriptor.
----------------------------
revision 1.2
date: 2014/05/24 07:49:26; author: root; state: Exp; lines: +1 -1
*** empty log message ***
----------------------------
revision 1.1
date: 2014/05/24 07:17:20; author: root; state: Exp;
Initial revision
=============================================================================
RCS file: devlseek.c,v
Working file: devlseek.c
head: 1.3
branch:
locks: strict
access list:
symbolic names:
keyword substitution: kv
total revisions: 3; selected revisions: 3
description:
----------------------------
revision 1.3
date: 2014/06/02 07:22:38; author: root; state: Exp; lines: +2 -2
*** empty log message ***
----------------------------
revision 1.2
date: 2014/05/30 07:09:37; author: root; state: Exp; lines: +4 -2
*** empty log message ***
----------------------------
revision 1.1
date: 2014/05/25 11:30:12; author: root; state: Exp;
Initial revision
=============================================================================
RCS file: devwrite.c,v
Working file: devwrite.c
head: 1.15
branch:
locks: strict
access list:
symbolic names:
keyword substitution: kv
total revisions: 15; selected revisions: 15
description:
used to write in the multiple quantum
multiple qset
then use copy_from_user.
very important file and hard too.
----------------------------
revision 1.15
date: 2014/06/05 06:54:22; author: root; state: Exp; lines: +4 -2
*** empty log message ***
----------------------------
revision 1.14
date: 2014/06/05 05:56:16; author: root; state: Exp; lines: +2 -2
*** empty log message ***
----------------------------
revision 1.13
date: 2014/06/05 05:07:03; author: root; state: Exp; lines: +5 -3
use the spin_lock and spin_unlock
----------------------------
revision 1.12
date: 2014/06/03 12:48:15; author: root; state: Exp; lines: +1 -0
given the complete call in the last...
----------------------------
revision 1.11
date: 2014/06/03 12:44:22; author: root; state: Exp; lines: +1 -1
*** empty log message ***
----------------------------
revision 1.10
date: 2014/06/03 04:57:08; author: root; state: Exp; lines: +4 -3
apply the wait_for_completion() same as the downing the semaphore...
apply the complete() same as the uping the semaphore...
----------------------------
revision 1.9
date: 2014/06/03 04:28:45; author: root; state: Exp; lines: +2 -1
making up the semaphore above the returing.....
----------------------------
revision 1.8
date: 2014/06/03 04:21:25; author: root; state: Exp; lines: +1 -1
*** empty log message ***
----------------------------
revision 1.7
date: 2014/06/02 12:11:54; author: root; state: Exp; lines: +1 -1
*** empty log message ***
----------------------------
revision 1.6
date: 2014/06/02 11:45:08; author: root; state: Exp; lines: +1 -1
*** empty log message ***
----------------------------
revision 1.5
date: 2014/06/02 05:14:55; author: root; state: Exp; lines: +1 -1
*** empty log message ***
----------------------------
revision 1.4
date: 2014/06/02 04:51:17; author: root; state: Exp; lines: +5 -0
making down and up the semaphore by using down_interruptible() and up() respectively
----------------------------
revision 1.3
date: 2014/05/25 09:31:31; author: root; state: Exp; lines: +11 -4
use the loff and filep->f_pos to see the position of the pointer.
this loff and filep->f_pos could not be updated automatically so we make the updation.
----------------------------
revision 1.2
date: 2014/05/24 07:47:23; author: root; state: Exp; lines: +1 -1
*** empty log message ***
----------------------------
revision 1.1
date: 2014/05/24 07:17:56; author: root; state: Exp;
Initial revision
=============================================================================
RCS file: init.c,v
Working file: init.c
head: 1.11
branch:
locks: strict
access list:
symbolic names:
keyword substitution: kv
total revisions: 11; selected revisions: 11
description:
this is used to insert the module the register the module.
in this i dont use trim function.
----------------------------
revision 1.11
date: 2014/06/17 13:23:44; author: root; state: Exp; lines: +18 -2
call the creat_proc_entry_read...
----------------------------
revision 1.10
date: 2014/06/16 13:23:35; author: root; state: Exp; lines: +2 -0
*** empty log message ***
----------------------------
revision 1.9
date: 2014/06/16 13:02:05; author: root; state: Exp; lines: +1 -0
*** empty log message ***
----------------------------
revision 1.8
date: 2014/06/16 12:33:57; author: root; state: Exp; lines: +6 -0
create the proc entry as *create_proc_entry() and works fine for me....as the entry is listed in the /proc...
----------------------------
revision 1.7
date: 2014/06/05 06:54:20; author: root; state: Exp; lines: +4 -4
*** empty log message ***
----------------------------
revision 1.6
date: 2014/06/05 05:55:48; author: root; state: Exp; lines: +4 -2
use the rwlock_t
----------------------------
revision 1.5
date: 2014/06/05 05:05:37; author: root; state: Exp; lines: +3 -1
make the init
init_apin_lock is applied here....
----------------------------
revision 1.4
date: 2014/06/03 04:56:36; author: root; state: Exp; lines: +2 -1
initilize the completion by init_completion above the cdev_add...
----------------------------
revision 1.3
date: 2014/06/02 11:38:52; author: root; state: Exp; lines: +1 -1
*** empty log message ***
----------------------------
revision 1.2
date: 2014/06/02 04:50:25; author: root; state: Exp; lines: +1 -0
initilize the binary semaphore before the cdev_add using the sema_init()
----------------------------
revision 1.1
date: 2014/05/24 07:12:20; author: root; state: Exp;
Initial revision
=============================================================================
RCS file: prototype.h,v
Working file: prototype.h
head: 1.4
branch:
locks: strict
access list:
symbolic names:
keyword substitution: kv
total revisions: 4; selected revisions: 4
description:
declare the prototype.
----------------------------
revision 1.4
date: 2014/06/07 09:35:22; author: root; state: Exp; lines: +2 -0
write the prototype for the scullioctl
----------------------------
revision 1.3
date: 2014/05/25 11:29:17; author: root; state: Exp; lines: +1 -0
*** empty log message ***
----------------------------
revision 1.2
date: 2014/05/24 09:07:02; author: root; state: Exp; lines: +2 -0
mention the prototype of the read call which is is fs.h header file and is in the struct file_operations {
----------------------------
revision 1.1
date: 2014/05/24 07:14:52; author: root; state: Exp;
Initial revision
=============================================================================
RCS file: devopen.c,v
Working file: devopen.c
head: 1.3
branch:
locks: strict
access list:
symbolic names:
keyword substitution: kv
total revisions: 3; selected revisions: 3
description:
open the module in the kernel layer by passing the argument from the application layer of the open system call.
here we are not using the trim funciton.
----------------------------
revision 1.3
date: 2014/06/02 11:43:23; author: root; state: Exp; lines: +5 -5
*** empty log message ***
----------------------------
revision 1.2
date: 2014/06/02 11:38:54; author: root; state: Exp; lines: +7 -3
*** empty log message ***
----------------------------
revision 1.1
date: 2014/05/24 07:15:18; author: root; state: Exp;
Initial revision
=============================================================================
RCS file: ioctl.c,v
Working file: ioctl.c
head: 1.22
branch:
locks: strict
access list:
symbolic names:
keyword substitution: kv
total revisions: 22; selected revisions: 22
description:
the file corresponds to unlocked_ioctl...
----------------------------
revision 1.22
date: 2014/06/08 08:09:38; author: root; state: Exp; lines: +1 -0
*** empty log message ***
----------------------------
revision 1.21
date: 2014/06/08 08:09:05; author: root; state: Exp; lines: +2 -0
*** empty log message ***
----------------------------
revision 1.20
date: 2014/06/08 05:36:29; author: root; state: Exp; lines: +1 -1
*** empty log message ***
----------------------------
revision 1.19
date: 2014/06/08 05:23:12; author: root; state: Exp; lines: +1 -1
*** empty log message ***
----------------------------
revision 1.18
date: 2014/06/08 05:15:34; author: root; state: Exp; lines: +1 -1
*** empty log message ***
----------------------------
revision 1.17
date: 2014/06/08 05:14:39; author: root; state: Exp; lines: +1 -0
*** empty log message ***
----------------------------
revision 1.16
date: 2014/06/07 13:09:16; author: root; state: Exp; lines: +1 -1
*** empty log message ***
----------------------------
revision 1.15
date: 2014/06/07 13:08:24; author: root; state: Exp; lines: +1 -1
*** empty log message ***
----------------------------
revision 1.14
date: 2014/06/07 13:07:43; author: root; state: Exp; lines: +2 -0
*** empty log message ***
----------------------------
revision 1.13
date: 2014/06/07 12:48:51; author: root; state: Exp; lines: +1 -0
*** empty log message ***
----------------------------
revision 1.12
date: 2014/06/07 12:44:11; author: root; state: Exp; lines: +1 -1
*** empty log message ***
----------------------------
revision 1.11
date: 2014/06/07 12:40:50; author: root; state: Exp; lines: +1 -1
*** empty log message ***
----------------------------
revision 1.10
date: 2014/06/07 12:38:55; author: root; state: Exp; lines: +5 -0
make the defination for the SULL_SQUANTUM
----------------------------
revision 1.9
date: 2014/06/07 12:31:19; author: root; state: Exp; lines: +4 -3
*** empty log message ***
----------------------------
revision 1.8
date: 2014/06/07 10:21:43; author: root; state: Exp; lines: +1 -1
*** empty log message ***
----------------------------
revision 1.7
date: 2014/06/07 10:21:08; author: root; state: Exp; lines: +1 -1
*** empty log message ***
----------------------------
revision 1.6
date: 2014/06/07 10:12:39; author: root; state: Exp; lines: +1 -0
*** empty log message ***
----------------------------
revision 1.5
date: 2014/06/07 10:10:06; author: root; state: Exp; lines: +1 -1
*** empty log message ***
----------------------------
revision 1.4
date: 2014/06/07 09:55:55; author: root; state: Exp; lines: +1 -0
use put_user
use put_user() to written in the application layer.
----------------------------
revision 1.3
date: 2014/06/07 09:47:26; author: root; state: Exp; lines: +9 -1
making the switch for the different MACRO of IOCTL
----------------------------
revision 1.2
date: 2014/06/07 09:43:12; author: root; state: Exp; lines: +1 -1
*** empty log message ***
----------------------------
revision 1.1
date: 2014/06/07 09:30:35; author: root; state: Exp;
Initial revision
=============================================================================
RCS file: cleanup.c,v
Working file: cleanup.c
head: 1.3
branch:
locks: strict
root: 1.3
access list:
symbolic names:
keyword substitution: kv
total revisions: 3; selected revisions: 3
description:
this is used to remove and unregistered the module from the /proc/devices table.
----------------------------
revision 1.3 locked by: root;
date: 2014/06/16 13:00:23; author: root; state: Exp; lines: +1 -1
pass 0 istead of NULL in the parent...
----------------------------
revision 1.2
date: 2014/06/16 12:35:08; author: root; state: Exp; lines: +1 -0
remove the entry from the /proc.....and works file for me.... :)
----------------------------
revision 1.1
date: 2014/05/24 07:13:18; author: root; state: Exp;
Initial revision
=============================================================================
RCS file: devread.c,v
Working file: devread.c
head: 1.29
branch:
locks: strict
access list:
symbolic names:
keyword substitution: kv
total revisions: 29; selected revisions: 29
description:
write the fuction for the read which is work in the kernel layer.
----------------------------
revision 1.29
date: 2014/06/08 10:29:24; author: root; state: Exp; lines: +5 -5
*** empty log message ***
----------------------------
revision 1.28
date: 2014/06/08 10:26:24; author: root; state: Exp; lines: +1 -1
*** empty log message ***
----------------------------
revision 1.27
date: 2014/06/08 10:21:43; author: root; state: Exp; lines: +5 -5
*** empty log message ***
----------------------------
revision 1.26
date: 2014/06/05 06:54:23; author: root; state: Exp; lines: +4 -2
*** empty log message ***
----------------------------
revision 1.25
date: 2014/06/05 06:29:11; author: root; state: Exp; lines: +2 -2
*** empty log message ***
----------------------------
revision 1.24
date: 2014/06/05 06:02:00; author: root; state: Exp; lines: +2 -2
*** empty log message ***
----------------------------
revision 1.23
date: 2014/06/05 05:56:16; author: root; state: Exp; lines: +2 -2
*** empty log message ***
----------------------------
revision 1.22
date: 2014/06/05 05:07:23; author: root; state: Exp; lines: +6 -3
use the spin_lock and the spin_unlock...
----------------------------
revision 1.21
date: 2014/06/03 12:48:40; author: root; state: Exp; lines: +1 -0
give the wait_for_completion in the start...
and complete in the last....
work fine....in the different application accesing the same node....
----------------------------
revision 1.20
date: 2014/06/03 05:00:49; author: root; state: Exp; lines: +3 -2
apply the completion in the devread.
----------------------------
revision 1.19
date: 2014/06/03 04:58:08; author: root; state: Exp; lines: +2 -2
remove the semaphore...
----------------------------
revision 1.18
date: 2014/06/03 04:29:10; author: root; state: Exp; lines: +1 -1
making up the semaphore above the returing...
----------------------------
revision 1.17
date: 2014/06/03 04:23:54; author: root; state: Exp; lines: +3 -1
*** empty log message ***
----------------------------
revision 1.16
date: 2014/06/02 12:00:36; author: root; state: Exp; lines: +1 -1
*** empty log message ***
----------------------------
revision 1.15
date: 2014/06/02 11:45:09; author: root; state: Exp; lines: +2 -2
*** empty log message ***
----------------------------
revision 1.14
date: 2014/06/02 05:14:57; author: root; state: Exp; lines: +1 -1
*** empty log message ***
----------------------------
revision 1.13
date: 2014/06/02 05:08:38; author: root; state: Exp; lines: +2 -2
*** empty log message ***
----------------------------
revision 1.12
date: 2014/06/02 04:52:46; author: root; state: Exp; lines: +6 -0
making down and up the semaphore by using the down_interruptible() and up() respectively.
----------------------------
revision 1.11
date: 2014/05/30 11:03:46; author: root; state: Exp; lines: +1 -0
*** empty log message ***
----------------------------
revision 1.10
date: 2014/05/30 07:09:09; author: root; state: Exp; lines: +13 -8
implement the SEEK_SET again.
and it work file
----------------------------
revision 1.9
date: 2014/05/26 11:19:45; author: root; state: Exp; lines: +28 -9
draw logic for the seek operation.
----------------------------
revision 1.8
date: 2014/05/24 11:40:26; author: root; state: Exp; lines: +9 -5
give the defination for the read function.
----------------------------
revision 1.7
date: 2014/05/24 10:34:09; author: root; state: Exp; lines: +7 -2
*** empty log message ***
----------------------------
revision 1.6
date: 2014/05/24 09:28:15; author: root; state: Exp; lines: +5 -5
*** empty log message ***
----------------------------
revision 1.5
date: 2014/05/24 09:26:24; author: root; state: Exp; lines: +7 -7
*** empty log message ***
----------------------------
revision 1.4
date: 2014/05/24 09:21:09; author: root; state: Exp; lines: +1 -1
*** empty log message ***
----------------------------
revision 1.3
date: 2014/05/24 09:19:17; author: root; state: Exp; lines: +1 -1
*** empty log message ***
----------------------------
revision 1.2
date: 2014/05/24 09:16:07; author: root; state: Exp; lines: +1 -0
make a access to the private data to the sculldev
----------------------------
revision 1.1
date: 2014/05/24 09:09:26; author: root; state: Exp;
Initial revision
=============================================================================
RCS file: fileopr.h,v
Working file: fileopr.h
head: 1.4
branch:
locks: strict
access list:
symbolic names:
keyword substitution: kv
total revisions: 4; selected revisions: 4
description:
used for the mapping purpose.
----------------------------
revision 1.4
date: 2014/06/07 09:36:06; author: root; state: Exp; lines: +2 -1
mapp the unlocked_ioctl with the scull_ioctl
----------------------------
revision 1.3
date: 2014/05/25 11:30:20; author: root; state: Exp; lines: +2 -1
*** empty log message ***
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revision 1.2
date: 2014/05/24 09:09:56; author: root; state: Exp; lines: +2 -1
do the mapping of read
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revision 1.1
date: 2014/05/24 07:18:55; author: root; state: Exp;
Initial revision
=============================================================================
RCS file: ioctl.c,v
Working file: ioctl.c
head: 1.22
branch:
locks: strict
access list:
symbolic names:
keyword substitution: kv
total revisions: 22; selected revisions: 22
description:
the file corresponds to unlocked_ioctl...
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revision 1.22
date: 2014/06/08 08:09:38; author: root; state: Exp; lines: +1 -0
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revision 1.21
date: 2014/06/08 08:09:05; author: root; state: Exp; lines: +2 -0
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revision 1.20
date: 2014/06/08 05:36:29; author: root; state: Exp; lines: +1 -1
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revision 1.19
date: 2014/06/08 05:23:12; author: root; state: Exp; lines: +1 -1
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revision 1.18
date: 2014/06/08 05:15:34; author: root; state: Exp; lines: +1 -1
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revision 1.17
date: 2014/06/08 05:14:39; author: root; state: Exp; lines: +1 -0
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revision 1.16
date: 2014/06/07 13:09:16; author: root; state: Exp; lines: +1 -1
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revision 1.15
date: 2014/06/07 13:08:24; author: root; state: Exp; lines: +1 -1
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revision 1.14
date: 2014/06/07 13:07:43; author: root; state: Exp; lines: +2 -0
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revision 1.13
date: 2014/06/07 12:48:51; author: root; state: Exp; lines: +1 -0
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revision 1.12
date: 2014/06/07 12:44:11; author: root; state: Exp; lines: +1 -1
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revision 1.11
date: 2014/06/07 12:40:50; author: root; state: Exp; lines: +1 -1
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revision 1.10
date: 2014/06/07 12:38:55; author: root; state: Exp; lines: +5 -0
make the defination for the SULL_SQUANTUM
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revision 1.9
date: 2014/06/07 12:31:19; author: root; state: Exp; lines: +4 -3
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revision 1.8
date: 2014/06/07 10:21:43; author: root; state: Exp; lines: +1 -1
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revision 1.7
date: 2014/06/07 10:21:08; author: root; state: Exp; lines: +1 -1
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revision 1.6
date: 2014/06/07 10:12:39; author: root; state: Exp; lines: +1 -0
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revision 1.5
date: 2014/06/07 10:10:06; author: root; state: Exp; lines: +1 -1
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revision 1.4
date: 2014/06/07 09:55:55; author: root; state: Exp; lines: +1 -0
use put_user
use put_user() to written in the application layer.
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revision 1.3
date: 2014/06/07 09:47:26; author: root; state: Exp; lines: +9 -1
making the switch for the different MACRO of IOCTL
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revision 1.2
date: 2014/06/07 09:43:12; author: root; state: Exp; lines: +1 -1
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revision 1.1
date: 2014/06/07 09:30:35; author: root; state: Exp;
Initial revision
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RCS file: declaration.h,v
Working file: declaration.h
head: 1.4
branch:
locks: strict
access list:
symbolic names:
keyword substitution: kv
total revisions: 4; selected revisions: 4
description:
define some macros which are freq uently used in our program.
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revision 1.4
date: 2014/06/05 06:54:21; author: root; state: Exp; lines: +2 -2
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revision 1.3
date: 2014/06/05 05:56:14; author: root; state: Exp; lines: +2 -1
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revision 1.2
date: 2014/06/05 05:06:10; author: root; state: Exp; lines: +1 -0
make the extern variable spinlock_t lock
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revision 1.1
date: 2014/05/24 07:14:06; author: root; state: Exp;
Initial revision
=============================================================================
RCS file: devrelease.c,v
Working file: devrelease.c
head: 1.1
branch:
locks: strict
access list:
symbolic names:
keyword substitution: kv
total revisions: 1; selected revisions: 1
description:
for closeing the module
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revision 1.1
date: 2014/05/24 07:16:45; author: root; state: Exp;
Initial revision
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RCS file: header.h,v
Working file: header.h
head: 1.6
branch:
locks: strict
access list:
symbolic names:
keyword substitution: kv
total revisions: 6; selected revisions: 6
description:
define macros and include header file in this and make a ScullDev and ScullQset structure in this.
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revision 1.6
date: 2014/06/16 12:33:19; author: root; state: Exp; lines: +1 -0
include the header file for the proc i.e <linux/proc_fs.h>
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revision 1.5
date: 2014/06/07 09:29:12; author: root; state: Exp; lines: +3 -0
here we include the header file <asm-generic/ioctl.h>
here we also include the user define ioctl.h header file.
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revision 1.4
date: 2014/06/05 05:05:01; author: root; state: Exp; lines: +2 -0
include the header file for the spinlock....i.e spinlock.h
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revision 1.3
date: 2014/06/03 04:56:00; author: root; state: Exp; lines: +2 -0
include the header file <linux.completion.h> for the completion...
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revision 1.2
date: 2014/06/02 04:49:56; author: root; state: Exp; lines: +3 -1
include the linux/semaphore.h header file for the semaphores.
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revision 1.1
date: 2014/05/24 07:11:00; author: root; state: Exp;
Initial revision
=============================================================================
RCS file: read_proc.h,v
Working file: read_proc.h
head: 1.1
branch:
locks: strict
access list:
symbolic names:
keyword substitution: kv
total revisions: 1; selected revisions: 1
description:
this is the read proc file...
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revision 1.1
date: 2014/06/19 05:06:08; author: root; state: Exp;
Initial revision
=============================================================================
