Questions tagged [ahci]
6 questions
4
votes
1 answer
SCSI read capacity (10) reports wrong LBA and sector size
I've been trying to test my AHCI driver for my hobby OS on bare metal. Before that, I tested my driver in QEMU with the parameters:
qemu-system-i386 -boot d -cdrom elfboot.iso -machine q35 -m 2G -hda hda.img -serial stdio
The output is something…
CRoemheld
- 889
- 7
- 26
1
vote
2 answers
AHCI: Is it normal to have 0xFFFFFFFF across the board?
After using Redox's ahcid as a reference implementation for writing an AHCI driver (which isn't an exact clone of that implementation but it's close) that is compatible with a kernel that began life by following Philipp Oppermann's Rust OS…
realkstrawn93
- 722
- 1
- 6
- 13
1
vote
0 answers
Difference between functions in platform_driver and *_ops structures
If we take an ahci driver as an example.
In ahci_platform.c there are some driver functions described under:
static struct platform_driver ahci_driver = {...functions...}.
The question is:
What's the difference between functions described under…
Andrius
- 11
- 2
1
vote
0 answers
How do I read the disk configuration with AHCI driver?
Hi I'm learning OS and trying to follow a book to write a kernel.
The book using IDE to control disk, while I tried to use AHCI with MSI to make it easier and more efficient.
I successfully read/write information and issued MSI interrupt. But I do…
Shore
- 827
- 9
- 24
0
votes
0 answers
Unable to turn off intel RST in HP laptop
My HP Pavilion laptop's BIOS is locked out by the manufacturer, preventing me from installing Linux. In the past,when I attempted to install Linux on my other laptop I had to turn off Intel RST and turn on AHCI mode
However, I am unable to perform…
Srinidhi
- 1
- 1
0
votes
0 answers
Cannot Create ESXI VMFS Datastore with error 'Cannot Change the host configuration'
I am running ESXI 7.0 on a Dell 3930 Rack PC. This PC has an NVME SSD and a 1TB Sata HDD plugged in. I used the Dell ESXI ISO image while setting up.
I can see the NVM and PCH controllers when I browse storage. The name of controller showing is:…
Nouman Qaiser
- 283
- 4
- 14