NV services: Difference between revisions
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! Cmd || Name | ! Cmd || Name | ||
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| 0 || Open | | 0 || Open | ||
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| 1 || [[#Ioctl]] | | 1 || [[#Ioctl]] | ||
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| 2 || Close | | 2 || Close | ||
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| 3 || Initialize | | 3 || Initialize | ||
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| 4 || QueryEvent | | 4 || QueryEvent | ||
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| 5 || MapSharedMem | | 5 || MapSharedMem | ||
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| 6 | | 6 || | ||
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| 7 | | 7 || | ||
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| 8 || Audio render related init? | | 8 || Audio render related init? | ||
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| 9 || ? | | 9 || ? | ||
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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): | ||
#define _IOC(inout, group, num, len) \ | |||
(inout | ((len & IOCPARM_MASK) << 16) | ((group) << 8) | (num)) | |||
The following table contains valid commands for group 0x00. | The following table contains valid commands for group 0x00. | ||