RGBCube/serenity
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3 commits

Author SHA1 Message Date
Pankaj Raghav
567b3a4810 Kernel: Add individual struct definitions for NVMeSubmission 
Only a generic struct definition was present for NVMeSubmission. To
improve type safety and clarity, added an union of NVMeSubmission
structs that are applicable to the command being submitted.
 2022-01-18 11:37:04 +02:00
Tom
0d65af5e0f Kernel: Wait for NVMe controller to change enabled state 
We need to wait up to CAP.TO units of 500ms when changing CC.EN to
enable or disable the controller.
 2022-01-15 16:45:56 -08:00
Pankaj Raghav
e99fafb683 Kernel/NVMe: Add initial NVMe driver support 
Add a basic NVMe driver support to serenity
based on NVMe spec 1.4.

The driver can support multiple NVMe drives (subsystems).
But in a NVMe drive, the driver can support one controller
with multiple namespaces.

Each core will get a separate NVMe Queue.
As the system lacks MSI support, PIN based interrupts are
used for IO.

Tested the NVMe support by replacing IDE driver
with the NVMe driver :^)
 2022-01-01 14:55:58 +01:00