RCS FOR INITILIZATION
RCS file: ./initialization.c,v
Working file: ./initialization.c
head: 1.8
branch:
locks: strict
root: 1.8
access list:
symbolic names:
keyword substitution: kv
total revisions: 8; selected revisions: 8
description:
initialization function registering char driver.
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revision 1.8 locked by: root;
date: 2014/09/17 17:36:43; author: root; state: Exp; lines: +1 -0
initialize the semapahore .
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revision 1.7
date: 2014/09/17 16:16:42; author: root; state: Exp; lines: +10 -1
declared quantum_size,qset-size and device_size of sculldev.
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revision 1.6
date: 2014/09/04 08:12:28; author: root; state: Exp; lines: +3 -3
replaced the priority in printk.
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revision 1.5
date: 2014/09/04 07:58:12; author: root; state: Exp; lines: +6 -3
fixed some errors.
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revision 1.4
date: 2014/09/03 15:52:43; author: root; state: Exp; lines: +21 -4
initialized the device with cdev_init.
added device using cdev_add.
only one device is mapped by scull.
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revision 1.3
date: 2014/09/03 05:23:55; author: root; state: Exp; lines: +1 -0
gave moduleparam for nod.
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revision 1.2
date: 2014/09/03 05:14:50; author: root; state: Exp; lines: +1 -0
gave decalartrions.h header
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revision 1.1
date: 2014/09/03 05:14:06; author: root; state: Exp;
Initial revision
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RCS FOR DEV_OPEN
RCS file: ./dev_open.c,v
Working file: ./dev_open.c
head: 1.2
branch:
locks: strict
root: 1.2
access list:
symbolic names:
keyword substitution: kv
total revisions: 2; selected revisions: 2
description:
device open open call routine written.
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revision 1.2 locked by: root;
date: 2014/09/04 08:03:16; author: root; state: Exp; lines: +1 -1
fixed some errors .
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revision 1.1
date: 2014/09/03 16:13:34; author: root; state: Exp;
Initial revision
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RCS FOR DEV_WRITE
RCS file: ./dev_write.c,v
Working file: ./dev_write.c
head: 1.14
branch:
locks: strict
root: 1.14
access list:
symbolic names:
keyword substitution: kv
total revisions: 14; selected revisions: 14
description:
device wurite operation .
memory allocated to sculldev->scullqset.
noqsets depend on the sizeof block.
64 bytes block created.
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revision 1.14 locked by: root;
date: 2014/09/22 15:39:51; author: root; state: Exp; lines: +9 -5
test for the dev trim condition .
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revision 1.13
date: 2014/09/22 12:09:54; author: root; state: Exp; lines: +50 -38
included down semaphore.
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revision 1.12
date: 2014/09/18 18:25:12; author: root; state: Exp; lines: +38 -35
modified code for dev_trim call.
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revision 1.11
date: 2014/09/17 17:37:47; author: root; state: Exp; lines: +2 -1
applied semaphore as down interruptoble and up
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revision 1.10
date: 2014/09/17 16:17:59; author: root; state: Exp; lines: +46 -47
removed the initialiaztion of variables qset_size,device_size and quantum_size
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revision 1.9
date: 2014/09/10 18:57:45; author: root; state: Exp; lines: +1 -1
gave return corrected value
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revision 1.8
date: 2014/09/10 16:22:44; author: root; state: Exp; lines: +2 -1
gave device_size.
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revision 1.7
date: 2014/09/10 11:24:56; author: root; state: Exp; lines: +1 -1
declared device_size variable.
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revision 1.6
date: 2014/09/09 18:28:14; author: root; state: Exp; lines: +4 -3
returned value of filep->f_pos .
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revision 1.5
date: 2014/09/09 18:21:50; author: root; state: Exp; lines: +32 -15
copy from user with no of bytes less than quantum to increase accuracy of device.
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revision 1.4
date: 2014/09/09 17:42:03; author: root; state: Exp; lines: +135 -6
changed quantum bytes allocation for last quantum .
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revision 1.3
date: 2014/09/04 08:03:48; author: root; state: Exp; lines: +9 -7
fixed errors alot.
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revision 1.2
date: 2014/09/03 17:43:04; author: root; state: Exp; lines: +1 -1
commented line to find user buff length.
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revision 1.1
date: 2014/09/03 17:34:23; author: root; state: Exp;
Initial revision
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RCS FOR DEV_SEEK
RCS file: ./dev_seek.c,v
Working file: ./dev_seek.c
head: 1.6
branch:
locks: strict
root: 1.6
access list:
symbolic names:
keyword substitution: kv
total revisions: 6; selected revisions: 6
description:
lseek routine.
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revision 1.6 locked by: root;
date: 2014/09/22 12:10:25; author: root; state: Exp; lines: +12 -5
modified according to new device_size.
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revision 1.5
date: 2014/09/17 16:18:44; author: root; state: Exp; lines: +38 -20
implemneted seek end properly with right notations
now the offset in the app will be positive for seek_end case.
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revision 1.4
date: 2014/09/12 16:04:23; author: root; state: Exp; lines: +8 -2
modified cases for SEEK_CUR.
modified case for SEEK_END.
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revision 1.3
date: 2014/09/12 15:21:31; author: root; state: Exp; lines: +9 -1
include case for seek end/.
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revision 1.2
date: 2014/09/12 08:48:53; author: root; state: Exp; lines: +4 -1
gave case for seek current.
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revision 1.1
date: 2014/09/10 11:26:10; author: root; state: Exp;
Initial revision
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RCS FOR DEV_READ
RCS file: ./dev_read.c,v
Working file: ./dev_read.c
head: 1.13
branch:
locks: strict
root: 1.13
access list:
symbolic names:
keyword substitution: kv
total revisions: 13; selected revisions: 13
description:
dev_read operartion.
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revision 1.13 locked by: root;
date: 2014/09/22 12:10:13; author: root; state: Exp; lines: +19 -4
included down and up semaphore .
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revision 1.12
date: 2014/09/18 18:25:26; author: root; state: Exp; lines: +5 -3
detected and corrected a loophole.
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revision 1.11
date: 2014/09/17 17:38:12; author: root; state: Exp; lines: +2 -0
applied semaphore as down interruptible and up/
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revision 1.10
date: 2014/09/17 16:18:32; author: root; state: Exp; lines: +34 -21
*** empty log message ***
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revision 1.9
date: 2014/09/12 15:48:16; author: root; state: Exp; lines: +2 -3
removed increment arrqset from one condition.
redundant code removed.
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revision 1.8
date: 2014/09/12 15:24:18; author: root; state: Exp; lines: +0 -1
*** empty log message ***
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revision 1.7
date: 2014/09/12 15:20:23; author: root; state: Exp; lines: +27 -11
include case for noctr < quatnum_size.
BUT greater than temp..
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revision 1.6
date: 2014/09/12 10:21:00; author: root; state: Exp; lines: +4 -4
changed the file_>f_pos values for different clauses.
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revision 1.5
date: 2014/09/12 10:15:43; author: root; state: Exp; lines: +30 -26
modified the code for complete seek_set process.
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revision 1.4
date: 2014/09/12 08:47:33; author: root; state: Exp; lines: +78 -67
modified code for reading pupose.
modified if the offset is zero.
if start == offset case completely correct.
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revision 1.3
date: 2014/09/11 16:04:24; author: root; state: Exp; lines: +6 -3
passed the file pointer to function copy to user to update the f_pos value.
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revision 1.2
date: 2014/09/10 18:58:21; author: root; state: Exp; lines: +48 -34
completed function copy to user
copy to user can now read from a given offset and can read any no of charcacters from the any position even no of charcters to be read can be 1 byte
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revision 1.1
date: 2014/09/10 16:24:31; author: root; state: Exp;
Initial revision
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RCS FOR CLEANUP
RCS file: ./cleanup.c,v
Working file: ./cleanup.c
head: 1.4
branch:
locks: strict
root: 1.4
access list:
symbolic names:
keyword substitution: kv
total revisions: 4; selected revisions: 4
description:
unregistering the character driver.
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revision 1.4 locked by: root;
date: 2014/09/04 07:59:01; author: root; state: Exp; lines: +2 -6
removed return from unregistering character device
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revision 1.3
date: 2014/09/03 18:08:55; author: root; state: Exp; lines: +2 -1
gave prototypes for different functions.
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revision 1.2
date: 2014/09/03 15:56:52; author: root; state: Exp; lines: +2 -1
deleted device using cdev_del.
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revision 1.1
date: 2014/09/03 05:24:18; author: root; state: Exp;
Initial revision
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