Kernel/NVMe: Add initial NVMe driver support

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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 :^)

This commit is contained in:

Pankaj Raghav

2021-12-16 20:37:54 +05:30

• committed by

Andreas Kling

parent 602b35aa62

commit e99fafb683

Author: https://github.com/Panky-codes
Commit: e99fafb683
Pull-request: https://github.com/SerenityOS/serenity/pull/11222
Reviewed-by: https://github.com/ADKaster
Reviewed-by: https://github.com/FireFox317
Reviewed-by: https://github.com/Sylvyrfysh
Reviewed-by: https://github.com/awesomekling
Reviewed-by: https://github.com/supercomputer7 ✅

13 changed files with 946 additions and 0 deletions

									
										4

Kernel/Debug.h.in
									
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				@ -210,6 +210,10 @@

				#cmakedefine01 NETWORK_TASK_DEBUG

				#endif

				#ifndef NVME_DEBUG

				#cmakedefine01 NVME_DEBUG

				#endif

				#ifndef OFFD_DEBUG

				#cmakedefine01 OFFD_DEBUG

				#endif

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Kernel/NVMe: Add initial NVMe driver support

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Kernel/Debug.h.in

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