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Communication with these services goes through IPC, as usual.
Communication with these services goes through IPC, as usual.
= nvdrv:a =
{| class="wikitable" border="1"
{| class="wikitable" border="1"
|-
|-
! CMD || Name || Format || Notes
! Cmd || Name || Format
|-
|-
| ??? || NvOsDrvOpen || ||
| ??? || NvOsDrvOpen ||
|-
|-
| ??? || NvOsDrvClose || ||
| ??? || NvOsDrvClose ||
|-
|-
| ??? || NvOsDrvIoctl || || See below
| ??? || [[#NvOsDrvIoctl]] ||
|-
|-
| ??? || NvOsDrvMapSharedMem || ||
| ??? || NvOsDrvMapSharedMem ||
|-
|-
| ??? || NvOsDrvQueryEvent || ||
| ??? || NvOsDrvQueryEvent ||
|-
|-
|}
|}
=== IOCtl commands ===
== NvOsDrvIoctl ==
Just like any standard build of the NVIDIA graphics' drivers, the nvdrv:a service operates mainly by processing requests and sending them to the kernel (not verified) through IOCtl commands.
Just like any standard build of the NVIDIA graphics' drivers, the nvdrv:a service operates mainly by processing requests and sending them to the kernel (not verified) through IOCtl commands.
Note that these commands are generated with the following primitive (see Linux kernel):
Note that these commands are generated with the following primitive (see Linux kernel):