Commit graph

4 commits

Author SHA1 Message Date
Brian Gianforcaro
1682f0b760 Everything: Move to SPDX license identifiers in all files.
SPDX License Identifiers are a more compact / standardized
way of representing file license information.

See: https://spdx.dev/resources/use/#identifiers

This was done with the `ambr` search and replace tool.

 ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
2021-04-22 11:22:27 +02:00
Idan Horowitz
172d23deae Kernel: Convert PCI Capability struct to class with convenience methods
Based on pull #3236 by tomuta

Co-authored-by: Tom <tomut@yahoo.com>
2021-04-17 10:21:23 +02:00
Liav A
cf0a12c68f Kernel: Add various methods to handle interrupts in the PCI subsystem
For now, we only are able to enable or disable pin based interrupts.
Later, when implemented, we could utilize MSI & MSI-X interrupts.
2020-12-21 00:19:21 +01:00
Liav A
9d10eb473d Kernel: Add the DeviceController class in the PCI subsystem
Such device is not an IRQHandler by itself, but actually a controller of
many IRQ or MSI devices. The purpose of this class is to manage multiple
sources of interrupts.

For example, a generic ISA IDE controller controls 2 IRQ sources - 14
and 15. So, when we initialize the IDE controller, it will initialize
two IDE channels (also known as PATAChannels) to utilize IRQ 14 and 15,
respectively. NVMe with MSI-X support can theoretically handle up to
2048 interrupts.
2020-12-21 00:19:21 +01:00