Nintendo Switch Brew

NV services: Difference between revisions

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{| class="wikitable" border="1"
{| class="wikitable" border="1"
!  Bits
!  Bits
!  Name
!  Description
!  Description
|-
|-
| 0
| 0
| NvDrvPermission_Gpu
| Can access [[#Channels|/dev/nvhost-gpu]], [[#/dev/nvhost-ctrl-gpu|/dev/nvhost-ctrl-gpu]] and [[#/dev/nvhost-as-gpu|/dev/nvhost-as-gpu]].
| Can access [[#Channels|/dev/nvhost-gpu]], [[#/dev/nvhost-ctrl-gpu|/dev/nvhost-ctrl-gpu]] and [[#/dev/nvhost-as-gpu|/dev/nvhost-as-gpu]].
|-
|-
| 1
| 1
| NvDrvPermission_GpuDebug
| Can access [[#/dev/nvhost-dbg-gpu|/dev/nvhost-dbg-gpu]] and [[#/dev/nvhost-prof-gpu|/dev/nvhost-prof-gpu]].
| Can access [[#/dev/nvhost-dbg-gpu|/dev/nvhost-dbg-gpu]] and [[#/dev/nvhost-prof-gpu|/dev/nvhost-prof-gpu]].
|-
|-
| 2
| 2
| NvDrvPermission_GpuSchedule
| Can access [[#/dev/nvsched-ctrl|/dev/nvsched-ctrl]].
| Can access [[#/dev/nvsched-ctrl|/dev/nvsched-ctrl]].
|-
|-
| 3
| 3
| NvDrvPermission_VIC
| Can access [[#Channels|/dev/nvhost-vic]].
| Can access [[#Channels|/dev/nvhost-vic]].
|-
|-
| 4
| 4
| NvDrvPermission_VideoEncoder
| Can access [[#Channels|/dev/nvhost-msenc]].
| Can access [[#Channels|/dev/nvhost-msenc]].
|-
|-
| 5
| 5
| NvDrvPermission_VideoDecoder
| Can access [[#Channels|/dev/nvhost-nvdec]].
| Can access [[#Channels|/dev/nvhost-nvdec]].
|-
|-
| 6
| 6
|  
| NvDrvPermission_TSEC
| Can access [[#Channels|/dev/nvhost-tsec]].
|-
|-
| 7
| 7
| NvDrvPermission_JPEG
| Can access [[#Channels|/dev/nvhost-nvjpg]].
| Can access [[#Channels|/dev/nvhost-nvjpg]].
|-
|-
| 8
| 8
| NvDrvPermission_Display
| Can access [[#Channels|/dev/nvhost-display]], [[#/dev/nvcec-ctrl|/dev/nvcec-ctrl]], [[#/dev/nvhdcp_up-ctrl|/dev/nvhdcp_up-ctrl]], [[#/dev/nvdisp-ctrl|/dev/nvdisp-ctrl]], [[#/dev/nvdisp-disp0, /dev/nvdisp-disp1|/dev/nvdisp-disp0]], [[#/dev/nvdisp-disp0, /dev/nvdisp-disp1|/dev/nvdisp-disp1]], [[#/dev/nvdcutil-disp0, /dev/nvdcutil-disp1|/dev/nvdcutil-disp0]] and [[#/dev/nvdcutil-disp0, /dev/nvdcutil-disp1|/dev/nvdcutil-disp1]].
| Can access [[#Channels|/dev/nvhost-display]], [[#/dev/nvcec-ctrl|/dev/nvcec-ctrl]], [[#/dev/nvhdcp_up-ctrl|/dev/nvhdcp_up-ctrl]], [[#/dev/nvdisp-ctrl|/dev/nvdisp-ctrl]], [[#/dev/nvdisp-disp0, /dev/nvdisp-disp1|/dev/nvdisp-disp0]], [[#/dev/nvdisp-disp0, /dev/nvdisp-disp1|/dev/nvdisp-disp1]], [[#/dev/nvdcutil-disp0, /dev/nvdcutil-disp1|/dev/nvdcutil-disp0]] and [[#/dev/nvdcutil-disp0, /dev/nvdcutil-disp1|/dev/nvdcutil-disp1]].
|-
|-
| 9
| 9
| NvDrvPermission_ImportMemory
| Can duplicate [[#/dev/nvmap|nvmap]] handles from other processes with [[#NVMAP_IOC_FROM_ID|NVMAP_IOC_FROM_ID]].
| Can duplicate [[#/dev/nvmap|nvmap]] handles from other processes with [[#NVMAP_IOC_FROM_ID|NVMAP_IOC_FROM_ID]].
|-
|-
| 10
| 10
| NvDrvPermission_NoCheckedAruid
| Can use [[#SetAruidWithoutCheck|SetAruidWithoutCheck]].
| Can use [[#SetAruidWithoutCheck|SetAruidWithoutCheck]].
|-
|-
| 11
| 11
|
| Can use [[#SetGraphicsFirmwareMemoryMarginEnabled|SetGraphicsFirmwareMemoryMarginEnabled]].  
| Can use [[#SetGraphicsFirmwareMemoryMarginEnabled|SetGraphicsFirmwareMemoryMarginEnabled]].  
|-
|-
| 12
| 12
|
| Can duplicate exported [[#/dev/nvmap|nvmap]] handles from other processes with [[#NVMAP_IOC_FROM_ID|NVMAP_IOC_FROM_ID]].
| Can duplicate exported [[#/dev/nvmap|nvmap]] handles from other processes with [[#NVMAP_IOC_FROM_ID|NVMAP_IOC_FROM_ID]].
|-
|-
| 13
| 13
|
|  
|  
|-
|-
| 14
| 14
|
| Can use [[#NVMAP_IOC_EXPORT_FOR_ARUID|NVMAP_IOC_EXPORT_FOR_ARUID]] and [[#NVMAP_IOC_REMOVE_EXPORT_FOR_ARUID|NVMAP_IOC_REMOVE_EXPORT_FOR_ARUID]].
| Can use [[#NVMAP_IOC_EXPORT_FOR_ARUID|NVMAP_IOC_EXPORT_FOR_ARUID]] and [[#NVMAP_IOC_REMOVE_EXPORT_FOR_ARUID|NVMAP_IOC_REMOVE_EXPORT_FOR_ARUID]].
|-
|-
| 15
| 15
|
|  
|  
|-
| 16-31
| Unused.
|}
|}


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{| class="wikitable" border="1"
{| class="wikitable" border="1"
|-
|-
! Cmd || Name
! Value || Name
|-
| 0x0 || NvError_Success
|-
| 0x1 || NvError_NotImplemented
|-
| 0x2 || NvError_NotSupported
|-
| 0x3 || NvError_NotInitialized
|-
| 0x4 || NvError_BadParameter
|-
| 0x5 || NvError_Timeout
|-
| 0x6 || NvError_InsufficientMemory
|-
| 0x7 || NvError_ReadOnlyAttribute
|-
| 0x8 || NvError_InvalidState
|-
| 0x9 || NvError_InvalidAddress
|-
| 0xA || NvError_InvalidSize
|-
| 0xB || NvError_BadValue
|-
| 0xD || NvError_AlreadyAllocated
|-
| 0xE || NvError_Busy
|-
| 0xF || NvError_ResourceError
|-
| 0x10 || NvError_CountMismatch
|-
| 0x11 || NvError_OverFlow
|-
| 0x1000 || NvError_InsufficientTransferMemory
|-
| 0x10000 || NvError_InsufficientVideoMemory
|-
| 0x10001 || NvError_BadSurfaceColorScheme
|-
| 0x10002 || NvError_InvalidSurface
|-
| 0x10003 || NvError_SurfaceNotSupported
|-
| 0x20000 || NvError_DispInitFailed
|-
| 0x20001 || NvError_DispAlreadyAttached
|-
| 0x20002 || NvError_DispTooManyDisplays
|-
| 0x20003 || NvError_DispNoDisplaysAttached
|-
| 0x20004 || NvError_DispModeNotSupported
|-
| 0x20005 || NvError_DispNotFound
|-
| 0x20006 || NvError_DispAttachDissallowed
|-
| 0x20007 || NvError_DispTypeNotSupported
|-
| 0x20008 || NvError_DispAuthenticationFailed
|-
|-
| 0 || Success
| 0x20009 || NvError_DispNotAttached
|-
|-
| 1 || NotImplemented
| 0x2000A || NvError_DispSamePwrState
|-
|-
| 2 || NotSupported
| 0x2000B || NvError_DispEdidFailure
|-
|-
| 3 || NotInitialized
| 0x2000C || NvError_DispDsiReadAckError
|-
|-
| 4 || BadParameter
| 0x2000D || NvError_DispDsiReadInvalidResp
|-
|-
| 5 || Timeout
| 0x30000 || NvError_FileWriteFailed
|-
|-
| 6 || InsufficientMemory
| 0x30001 || NvError_FileReadFailed
|-
|-
| 7 || ReadOnlyAttribute
| 0x30002 || NvError_EndOfFile
|-
|-
| 8 || InvalidState
| 0x30003 || NvError_FileOperationFailed
|-
|-
| 9 || InvalidAddress
| 0x30004 || NvError_DirOperationFailed
|-
|-
| 0xA || InvalidSize
| 0x30005 || NvError_EndOfDirList
|-
|-
| 0xB || BadValue
| 0x30006 || NvError_ConfigVarNotFound
|-
|-
| 0xD || AlreadyAllocated
| 0x30007 || NvError_InvalidConfigVar
|-
|-
| 0xE || Busy
| 0x30008 || NvError_LibraryNotFound
|-
|-
| 0xF || ResourceError
| 0x30009 || NvError_SymbolNotFound
|-
|-
| 0x10 || CountMismatch
| 0x3000A || NvError_MemoryMapFailed
|-
|-
| 0x1000 || SharedMemoryTooSmall
| 0x3000F || NvError_IoctlFailed                       
|-
|-
| 0x30003 || FileOperationFailed
| 0x30010 || NvError_AccessDenied
|-
|-
| 0x30004 || DirOperationFailed
| 0x30011 || NvError_DeviceNotFound
|-
|-
| 0x3000F || IoctlFailed                       
| 0x30012 || NvError_KernelDriverNotFound
|-
|-
| 0x30010 || AccessDenied
| 0x30013 || NvError_FileNotFound
|-
|-
| 0x30013 || FileNotFound
| 0x30014 || NvError_PathAlreadyExists
|-
|-
| 0xA000E || ModuleNotPresent
| 0xA000E || NvError_ModuleNotPresent
|}
|}


Retrieved from "https://switchbrew.org/wiki/NV_services"