EmbLogic » pratap.ashish

*CHAR DRIVER

pratap.ashish — Thu, 08 Aug 2013 13:28:39 +0000

RCS file: lkm2.c,v
Working file: lkm2.c
head: 1.5
branch:
locks: strict
root: 1.5
access list:
symbolic names:
keyword substitution: kv
total revisions: 5; selected revisions: 5
description:
today i am not able to solve the ioctl function problem.
related to set quantum, it will not execute properly and crash when i call this command.
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revision 1.5 locked by: root;
date: 2013/08/12 16:59:36; author: root; state: Exp; lines: +93 -36
Here I Implement the kernel timer ,firstly register it then declare a jitter function.
Then used that jitter function to use in_interrupt and in_atomic function.
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revision 1.4
date: 2013/08/02 22:27:03; author: root; state: Exp; lines: +17 -14
Implement the jiffies_)to_timeval and jiffies_to_timespec funtion to convert the jiffies into second,microsecond and nanosecond.
done it successfull.
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revision 1.3
date: 2013/08/02 02:18:16; author: root; state: Exp; lines: +48 -6
Implement timer into the driver just check it that how much time is being taken by read/writr operation to perform the task.
but when i used to convert the jiffies into human readable time then it crashed the kernel.
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revision 1.2
date: 2013/08/01 18:26:08; author: root; state: Exp; lines: +9 -9
Implement the ioctl by using set quantum , set qset.
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revision 1.1
date: 2013/08/01 01:26:39; author: root; state: Exp;
Initial revision
=============================================================================

pratap.ashish — Sat, 03 Aug 2013 17:57:58 +0000

Implemented timer in character driver by using timespec and timevalue structure ..

Ranjeet Singh

pratap.ashish — Mon, 08 Jul 2013 12:32:24 +0000

RCS file: header2.h,v
Working file: header2.h
head: 1.9
branch:
locks: strict
access list:
symbolic names:
keyword substitution: kv
total revisions: 9; selected revisions: 9
description:
This is the header file for loadable kernel module.
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revision 1.9
date: 2013/07/09 18:01:36; author: root; state: Exp; lines: +1 -0
gave prototype to scull_trim function.
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revision 1.8
date: 2013/07/04 11:43:22; author: root; state: Exp; lines: +10 -1
declare functions “scull_open” and “scull_release”.
gave two file operations in struct fileoperations.
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revision 1.7
date: 2013/07/04 07:53:59; author: root; state: Exp; lines: +3 -0
Gave prototype to functions “scull_dev” and “cdevinit”.
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revision 1.6
date: 2013/07/03 06:53:31; author: root; state: Exp; lines: +1 -0
include linux/moduleparam.h.
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revision 1.5
date: 2013/07/03 06:35:46; author: root; state: Exp; lines: +20 -0
declare variables in the data structure “struct ScullDev”: qset_size, quantum_size, data size, device_size.
Also define Macros:QSET_SIZE, QUANTUM_SIZE, DATA_SIZE, DEVICE_SIZE and initialize them.
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revision 1.4
date: 2013/07/02 11:31:50; author: root; state: Exp; lines: +2 -0
add data structure “struct file_operations fops”.
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revision 1.3
date: 2013/07/02 10:49:46; author: root; state: Exp; lines: +13 -0
added header files :cdev.h , slab.h
define data structure “struct ScullDev” and also define pointer to that structure.
also define data structure “struct scullQset”.
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revision 1.2
date: 2013/07/02 09:38:19; author: root; state: Exp; lines: +14 -1
adding header file fs.h.
define macros DEV_NAME as device name, MAJORNO as major number, MINORNO as minor number for device.
define variables : dev, majorno for MAJORNO, minorno for MINORNO, nod for NOD.
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revision 1.1
date: 2013/07/02 07:30:51; author: root; state: Exp;
Initial revision
=============================================================================

Ranjeet Singh

pratap.ashish — Mon, 08 Jul 2013 12:31:10 +0000

RCS file: lkm.c,v
Working file: lkm.c
head: 1.14
branch:
locks: strict
access list:
symbolic names:
keyword substitution: kv
total revisions: 14; selected revisions: 14
description:
This is loadable kernel module.
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revision 1.14
date: 2013/07/09 18:00:30; author: root; state: Exp; lines: +34 -2
define scull_trim function.
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revision 1.13
date: 2013/07/09 17:42:14; author: root; state: Exp; lines: +1 -1
preserve the lsculldev variable in flip->private_data.
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revision 1.12
date: 2013/07/09 17:35:41; author: root; state: Exp; lines: +22 -6
Declare a variable lsculldev.
store the pointer return by the container_of in this lsculldev variable.
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revision 1.11
date: 2013/07/04 11:40:49; author: root; state: Exp; lines: +27 -2
define functions “scull_open” and “scull_release”.
also successfully create node and an application successfully make open call using that node.
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revision 1.10
date: 2013/07/04 11:15:06; author: root; state: Exp; lines: +5 -4
declare ret in function cdevinit.
kernel crashes many time because of nod.
gave runtime value to nod.
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revision 1.9
date: 2013/07/04 10:13:38; author: root; state: Exp; lines: +38 -14
initialize 20 nods successfully using for loop.
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revision 1.8
date: 2013/07/04 08:00:25; author: ranjeet; state: Exp; lines: +47 -13
initialize the values of struct ScullDev using function scull_init.
initialize the values struct cdev using function cdevinit.
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revision 1.7
date: 2013/07/03 06:54:15; author: root; state: Exp; lines: +2 -1
using function module_param.
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revision 1.6
date: 2013/07/03 06:42:07; author: root; state: Exp; lines: +8 -1
initialize values to struct i_cdev’s variables.
also initialize values to the variables declared in struct ScullDev.
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revision 1.5
date: 2013/07/02 11:30:00; author: root; state: Exp; lines: +12 -1
In function init : call functions cdev_init & cdev_add.
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revision 1.4
date: 2013/07/02 11:01:33; author: root; state: Exp; lines: +5 -2
In function init: using kmalloc function & flush the garbage using memset.
In function exit: free allocated memory using kfree.
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revision 1.3
date: 2013/07/02 10:04:08; author: root; state: Exp; lines: +30 -6
in init function: call register_chrdev_region.
also printed the values of majorno and minorno.
also call MKDEV function.
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revision 1.2
date: 2013/07/02 09:43:30; author: root; state: Exp; lines: +15 -3
call alloc function for registering the device.
in exit func: call unregister_chrdev_region function for unregistering the device.
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revision 1.1
date: 2013/07/02 07:35:12; author: root; state: Exp;
Initial revision
=============================================================================

Ranjeet Singh

pratap.ashish — Wed, 03 Jul 2013 08:48:03 +0000

RCS file: header2.h,v
Working file: header2.h
head: 1.6
branch:
locks: strict
access list:
symbolic names:
keyword substitution: kv
total revisions: 6; selected revisions: 6
description:
This is the header file for loadable kernel module.
—————————-
revision 1.6
date: 2013/07/03 06:53:31; author: root; state: Exp; lines: +1 -0
include linux/moduleparam.h.
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revision 1.5
date: 2013/07/03 06:35:46; author: root; state: Exp; lines: +20 -0
declare variables in the data structure “struct ScullDev”: qset_size, quantum_size, data size, device_size.
Also define Macros:QSET_SIZE, QUANTUM_SIZE, DATA_SIZE, DEVICE_SIZE and initialize them.
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revision 1.4
date: 2013/07/02 11:31:50; author: root; state: Exp; lines: +2 -0
add data structure “struct file_operations fops”.
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revision 1.3
date: 2013/07/02 10:49:46; author: root; state: Exp; lines: +13 -0
added header files :cdev.h , slab.h
define data structure “struct ScullDev” and also define pointer to that structure.
also define data structure “struct scullQset”.
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revision 1.2
date: 2013/07/02 09:38:19; author: root; state: Exp; lines: +14 -1
adding header file fs.h.
define macros DEV_NAME as device name, MAJORNO as major number, MINORNO as minor number for device.
define variables : dev, majorno for MAJORNO, minorno for MINORNO, nod for NOD.
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revision 1.1
date: 2013/07/02 07:30:51; author: root; state: Exp;
Initial revision
=============================================================================

Ranjeet Singh

pratap.ashish — Wed, 03 Jul 2013 08:46:10 +0000

RCS file: lkm.c,v
Working file: lkm.c
head: 1.7
branch:
locks: strict
access list:
symbolic names:
keyword substitution: kv
total revisions: 7; selected revisions: 7
description:
This is loadable kernel module.
—————————-
revision 1.7
date: 2013/07/03 06:54:15; author: root; state: Exp; lines: +2 -1
using function module_param.
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revision 1.6
date: 2013/07/03 06:42:07; author: root; state: Exp; lines: +8 -1
initialize values to struct i_cdev’s variables.
also initialize values to the variables declared in struct ScullDev.
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revision 1.5
date: 2013/07/02 11:30:00; author: root; state: Exp; lines: +12 -1
In function init : call functions cdev_init & cdev_add.
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revision 1.4
date: 2013/07/02 11:01:33; author: root; state: Exp; lines: +5 -2
In function init: using kmalloc function & flush the garbage using memset.
In function exit: free allocated memory using kfree.
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revision 1.3
date: 2013/07/02 10:04:08; author: root; state: Exp; lines: +30 -6
in init function: call register_chrdev_region.
also printed the values of majorno and minorno.
also call MKDEV function.
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revision 1.2
date: 2013/07/02 09:43:30; author: root; state: Exp; lines: +15 -3
call alloc function for registering the device.
in exit func: call unregister_chrdev_region function for unregistering the device.
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revision 1.1
date: 2013/07/02 07:35:12; author: root; state: Exp;
Initial revision
========================================================

IPC THREAD

pratap.ashish — Sat, 29 Jun 2013 07:49:45 +0000

completed successfully using DETACH ATTRIBUTE……

pratap.ashish — Sun, 24 Feb 2013 04:09:29 +0000

now, i HAVE COMPLETED PROJECT 0

EmbLogic » pratap.ashish

*********CHAR DRIVER********

Ranjeet Singh

Ranjeet Singh

Ranjeet Singh

Ranjeet Singh

IPC THREAD

*CHAR DRIVER