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ioctl: invalid argument for HDIO_GET_IDENTITY
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I wrote a program to get the details of hard disk drive using HDIO_ ioctl calls.
For writing program, I'm referring Documentation/ioctl/hdio.txt in kernel source(2.6.32).
Here is my main part of code:
fd = open("/dev/sda", O_RDONLY); // validated fd.
retval = ioctl(fd, HDIO_GET_IDENTITY, &driveid);
if(retval < 0) {
perror("ioctl(HDIO_GET_IDENTITY)");
exit(3);
}
When I run(as root) the above code, I got below error:
ioctl(HDIO_GET_IDENTITY): Invalid argument
What is the wrong in the program?
Why I'm getting error?
Additional Info: OS: CentOS-6.5, kernel version: 2.6.32, IA:x86_64 (running on VMware).
Result of hdparm -i /dev/sda is
SG_IO: bad/missing sense data, sb[]: 70 00 05 00 00 00 00 0a 00 00 00 00 20 00 00 c0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
HDIO_GET_IDENTITY failed: Invalid argument
centos hard-disk c
asked Apr 18 '14 at 6:18
gangadharsgangadhars
34721021
bumped to the homepage by Community♦ 26 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
add a comment |
I wrote a program to get the details of hard disk drive using HDIO_ ioctl calls.
For writing program, I'm referring Documentation/ioctl/hdio.txt in kernel source(2.6.32).
Here is my main part of code:
fd = open("/dev/sda", O_RDONLY); // validated fd.
retval = ioctl(fd, HDIO_GET_IDENTITY, &driveid);
if(retval < 0) {
perror("ioctl(HDIO_GET_IDENTITY)");
exit(3);
}
When I run(as root) the above code, I got below error:
ioctl(HDIO_GET_IDENTITY): Invalid argument
What is the wrong in the program?
Why I'm getting error?
Additional Info: OS: CentOS-6.5, kernel version: 2.6.32, IA:x86_64 (running on VMware).
Result of hdparm -i /dev/sda is
SG_IO: bad/missing sense data, sb[]: 70 00 05 00 00 00 00 0a 00 00 00 00 20 00 00 c0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
HDIO_GET_IDENTITY failed: Invalid argument
centos hard-disk c
asked Apr 18 '14 at 6:18
gangadharsgangadhars
34721021
bumped to the homepage by Community♦ 26 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
add a comment |
I wrote a program to get the details of hard disk drive using HDIO_ ioctl calls.
For writing program, I'm referring Documentation/ioctl/hdio.txt in kernel source(2.6.32).
Here is my main part of code:
fd = open("/dev/sda", O_RDONLY); // validated fd.
retval = ioctl(fd, HDIO_GET_IDENTITY, &driveid);
if(retval < 0) {
perror("ioctl(HDIO_GET_IDENTITY)");
exit(3);
}
When I run(as root) the above code, I got below error:
ioctl(HDIO_GET_IDENTITY): Invalid argument
What is the wrong in the program?
Why I'm getting error?
Additional Info: OS: CentOS-6.5, kernel version: 2.6.32, IA:x86_64 (running on VMware).
Result of hdparm -i /dev/sda is
SG_IO: bad/missing sense data, sb[]: 70 00 05 00 00 00 00 0a 00 00 00 00 20 00 00 c0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
HDIO_GET_IDENTITY failed: Invalid argument
centos hard-disk c
asked Apr 18 '14 at 6:18
gangadharsgangadhars
34721021
I wrote a program to get the details of hard disk drive using HDIO_ ioctl calls.
For writing program, I'm referring Documentation/ioctl/hdio.txt in kernel source(2.6.32).
Here is my main part of code:
fd = open("/dev/sda", O_RDONLY); // validated fd.
retval = ioctl(fd, HDIO_GET_IDENTITY, &driveid);
if(retval < 0) {
perror("ioctl(HDIO_GET_IDENTITY)");
exit(3);
}
When I run(as root) the above code, I got below error:
ioctl(HDIO_GET_IDENTITY): Invalid argument
What is the wrong in the program?
Why I'm getting error?
Additional Info: OS: CentOS-6.5, kernel version: 2.6.32, IA:x86_64 (running on VMware).
Result of hdparm -i /dev/sda is
SG_IO: bad/missing sense data, sb[]: 70 00 05 00 00 00 00 0a 00 00 00 00 20 00 00 c0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
HDIO_GET_IDENTITY failed: Invalid argument
centos hard-disk c
centos hard-disk c
asked Apr 18 '14 at 6:18
gangadharsgangadhars
34721021
asked Apr 18 '14 at 6:18
gangadharsgangadhars
34721021
edited Apr 18 '14 at 10:39
gangadhars
asked Apr 18 '14 at 6:18
gangadharsgangadhars
34721021
asked Apr 18 '14 at 6:18
gangadharsgangadhars
34721021
asked Apr 18 '14 at 6:18
gangadharsgangadhars
34721021
34721021
bumped to the homepage by Community♦ 26 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
bumped to the homepage by Community♦ 26 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
Is there a device /dev/sda in your system?
What type is the driveid variable?
Show us whole code, or try changing driveid to:
struct hd_driveid driveid;
Then you can print it's content, i.e.:
printf("Firmware Revision=%.8sn",driveid.fw_rev);
printf("Cylinders=%dn",driveid.cyls);
Also check:
http://lxr.free-electrons.com/source/include/linux/hdreg.h?v=2.6.32
answered Apr 18 '14 at 9:27
tommytommy
392
driverid variable??
– gangadhars
Apr 18 '14 at 9:29
retval = ioctl(fd, HDIO_GET_IDENTITY, &driveid); Is it struct or char or whatever?
– tommy
Apr 18 '14 at 9:43
first I tried forcharit thrown same error and then I triedstruct hd_drive. I got same error.
– gangadhars
Apr 18 '14 at 10:37
I added some extra part to my question. pls see the question again.
– gangadhars
Apr 18 '14 at 10:40
It's due the lack o drivers I suppose. If you select different device ie /dev/sr0 it works perfectly. Guess your using vmware player with centos livecd ?
– tommy
Apr 18 '14 at 11:55
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
Is there a device /dev/sda in your system?
What type is the driveid variable?
Show us whole code, or try changing driveid to:
struct hd_driveid driveid;
Then you can print it's content, i.e.:
printf("Firmware Revision=%.8sn",driveid.fw_rev);
printf("Cylinders=%dn",driveid.cyls);
Also check:
http://lxr.free-electrons.com/source/include/linux/hdreg.h?v=2.6.32
answered Apr 18 '14 at 9:27
tommytommy
392
driverid variable??
– gangadhars
Apr 18 '14 at 9:29
retval = ioctl(fd, HDIO_GET_IDENTITY, &driveid); Is it struct or char or whatever?
– tommy
Apr 18 '14 at 9:43
first I tried forcharit thrown same error and then I triedstruct hd_drive. I got same error.
– gangadhars
Apr 18 '14 at 10:37
I added some extra part to my question. pls see the question again.
– gangadhars
Apr 18 '14 at 10:40
It's due the lack o drivers I suppose. If you select different device ie /dev/sr0 it works perfectly. Guess your using vmware player with centos livecd ?
– tommy
Apr 18 '14 at 11:55
add a comment |
Is there a device /dev/sda in your system?
What type is the driveid variable?
Show us whole code, or try changing driveid to:
struct hd_driveid driveid;
Then you can print it's content, i.e.:
printf("Firmware Revision=%.8sn",driveid.fw_rev);
printf("Cylinders=%dn",driveid.cyls);
Also check:
http://lxr.free-electrons.com/source/include/linux/hdreg.h?v=2.6.32
answered Apr 18 '14 at 9:27
tommytommy
392
driverid variable??
– gangadhars
Apr 18 '14 at 9:29
retval = ioctl(fd, HDIO_GET_IDENTITY, &driveid); Is it struct or char or whatever?
– tommy
Apr 18 '14 at 9:43
first I tried forcharit thrown same error and then I triedstruct hd_drive. I got same error.
– gangadhars
Apr 18 '14 at 10:37
I added some extra part to my question. pls see the question again.
– gangadhars
Apr 18 '14 at 10:40
It's due the lack o drivers I suppose. If you select different device ie /dev/sr0 it works perfectly. Guess your using vmware player with centos livecd ?
– tommy
Apr 18 '14 at 11:55
add a comment |
Is there a device /dev/sda in your system?
What type is the driveid variable?
Show us whole code, or try changing driveid to:
struct hd_driveid driveid;
Then you can print it's content, i.e.:
printf("Firmware Revision=%.8sn",driveid.fw_rev);
printf("Cylinders=%dn",driveid.cyls);
Also check:
http://lxr.free-electrons.com/source/include/linux/hdreg.h?v=2.6.32
answered Apr 18 '14 at 9:27
tommytommy
392
Is there a device /dev/sda in your system?
What type is the driveid variable?
Show us whole code, or try changing driveid to:
struct hd_driveid driveid;
Then you can print it's content, i.e.:
printf("Firmware Revision=%.8sn",driveid.fw_rev);
printf("Cylinders=%dn",driveid.cyls);
Also check:
http://lxr.free-electrons.com/source/include/linux/hdreg.h?v=2.6.32
answered Apr 18 '14 at 9:27
tommytommy
392
edited Apr 18 '14 at 11:57
answered Apr 18 '14 at 9:27
tommytommy
392
answered Apr 18 '14 at 9:27
tommytommy
392
answered Apr 18 '14 at 9:27
tommytommy
392
392
driverid variable??
– gangadhars
Apr 18 '14 at 9:29
retval = ioctl(fd, HDIO_GET_IDENTITY, &driveid); Is it struct or char or whatever?
– tommy
Apr 18 '14 at 9:43
first I tried forcharit thrown same error and then I triedstruct hd_drive. I got same error.
– gangadhars
Apr 18 '14 at 10:37
I added some extra part to my question. pls see the question again.
– gangadhars
Apr 18 '14 at 10:40
It's due the lack o drivers I suppose. If you select different device ie /dev/sr0 it works perfectly. Guess your using vmware player with centos livecd ?
– tommy
Apr 18 '14 at 11:55
add a comment |
driverid variable??
– gangadhars
Apr 18 '14 at 9:29
retval = ioctl(fd, HDIO_GET_IDENTITY, &driveid); Is it struct or char or whatever?
– tommy
Apr 18 '14 at 9:43
first I tried forcharit thrown same error and then I triedstruct hd_drive. I got same error.
– gangadhars
Apr 18 '14 at 10:37
I added some extra part to my question. pls see the question again.
– gangadhars
Apr 18 '14 at 10:40
It's due the lack o drivers I suppose. If you select different device ie /dev/sr0 it works perfectly. Guess your using vmware player with centos livecd ?
– tommy
Apr 18 '14 at 11:55
driverid variable??
– gangadhars
Apr 18 '14 at 9:29
driverid variable??
– gangadhars
Apr 18 '14 at 9:29
retval = ioctl(fd, HDIO_GET_IDENTITY, &driveid); Is it struct or char or whatever?
– tommy
Apr 18 '14 at 9:43
retval = ioctl(fd, HDIO_GET_IDENTITY, &driveid); Is it struct or char or whatever?
– tommy
Apr 18 '14 at 9:43
first I tried for
char it thrown same error and then I tried struct hd_drive. I got same error.– gangadhars
Apr 18 '14 at 10:37
first I tried for
char it thrown same error and then I tried struct hd_drive. I got same error.– gangadhars
Apr 18 '14 at 10:37
I added some extra part to my question. pls see the question again.
– gangadhars
Apr 18 '14 at 10:40
I added some extra part to my question. pls see the question again.
– gangadhars
Apr 18 '14 at 10:40
It's due the lack o drivers I suppose. If you select different device ie /dev/sr0 it works perfectly. Guess your using vmware player with centos livecd ?
– tommy
Apr 18 '14 at 11:55
It's due the lack o drivers I suppose. If you select different device ie /dev/sr0 it works perfectly. Guess your using vmware player with centos livecd ?
– tommy
Apr 18 '14 at 11:55
add a comment |
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