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The PS5 has many kernel devices that can be accessed through [[IOCTL]]. Some of them have usermode module equivalents, some like "sbl" consist in [[Secure Modules]] and some like "camera" make use of a dedicated firmware stored in kernel memory.
See also [https://psdevwiki.com/ps4/Devices PS4 devices].
Note for ioctls: * indicates name is assumed from RE and may not be accurate.
== Device Listing ==
== Device Listing ==
 
Note: only unique devices are listed. Benign devices like /dev/null are omitted for brevity's sake.
Unique devices are listed here without the "/dev/" prefix for readability. Benign devices like /dev/null are omitted for brevity's sake.


{| class="wikitable sortable"
{| class="wikitable sortable"
|-
|-
! Device Path !! Device Long Name !! Notes
! Path !! Device Name !! Notes
|-
| a53{io,mm,mmsys} || A53 Input/Output, Memory Management (sys) || See MP4 section
|-
| ajm{i} || Audio Job Manager || -
|-
| auditpipe || Audit Pipe || -
|-
| authmgr || Authentication Manager || -
|-
| az{1,ctl} || - || Audio-related
|-
| bar || [[Backup And Restore]] || Used by shellcore for backup and recovery
|-
| bfs/ctl || - || -
|-
| bluetooth_hid || Bluetooth Human Interface Device || -
|-
| bt || Bluetooth || -
|-
| camera || Camera || -
|-
| cloudsd || Cloud SaveData || -
|-
| console || Console || Usermode logging
|-
| crepo || Crash Report || Used for crash reporting service (coredump, gpudump, shellcore)
|-
|-
| ctrlp{_sync} || -CTRLP || Used by libScePad (controller). See PS4 and PS Vita ctrlp modules.
| /dev/a53{io,mm,mmsys} || A53 Input/Output, Memory Management (sys) || See MP4 section
|-
|-
| dbggc{_control} || Debug GPU? || -
| /dev/ajm{i} || Audio Job Manager || -
|-
|-
| deci_coredump || [[DECI5]] coredump || -
| /dev/auditpipe || - || -
|-
|-
| deci_mp4_ioc || [[DECI5]] MP4 ?I/O Control? || -
| /dev/authmgr || - || -
|-
|-
| deci_mp4_mmc || [[DECI5]] MP4 ?MM Control? || -
| /dev/az{1,ctl} || - || -
|-
|-
| deci_std{in,out,err} || [[DECI5]] Input/Output/Error || -
| /dev/bar || - || -
|-
|-
| deci_tty* || [[DECI5]] Terminals || -
| /dev/bfs/ctl || - || -
|-
|-
| devctl || Dev Control || -
| /dev/bluetooth_hid || - || -
|-
|-
| diag || Diagnosis || -
| /dev/bt || - || -
|-
|-
| dipsw || [[DIP Switches]] || -
| /dev/camera || Camera || -
|-
|-
| dldbg || Dynamic Library Debug || -
| /dev/cloudsd || - || -
|-
|-
| dmem{0,1,2} || - || -
| /dev/console || Console || Usermode logging
|-
|-
| dngl || - || -
| /dev/crepo || - || -
|-
|-
| duid || Disc Unique ID || -
| /dev/ctrlp{_sync} || - || -
|-
|-
| encdec || Encrypt Decrypt || Related to Portability Keys.
| /dev/dbggc{_control} || Debug GPU? || -
|-
|-
| envelope || [[Envelope Files]] || Related to Envelope Files Keys.
| /dev/deci_coredump || Debug Com. Interface (DECI) coredump || -
|-
|-
| evlg{0,1} || Event Log || Intended to be used with read syscall
| /dev/deci_mp4_ioc || DECI I/O Control? || -
|-
|-
| exthdd || External HDD || -
| /dev/deci_mp4_mmc || - || -
|-
|-
| fcram || - || -
| /dev/deci_std{in,out,err} || DECI Input/Output/Error || -
|-
|-
| fsctrl || FileSystem Control || -
| /dev/deci_tty* || DECI Terminals || -
|-
|-
| fttrm || ?Film and Television Tracking? Rights Management || Used by bluray app
| /dev/devctl || - || -
|-
|-
| gbase || - || -
| /dev/diag || - || -
|-
|-
| gc || GPU command || -
| /dev/dipsw || Dip Switch || -
|-
|-
| geom.ctl || - || -
| /dev/dldbg || - || -
|-
|-
| gic || - || -
| /dev/dmem{0,1,2} || - || -
|-
|-
| gsched_bds.ctl || - || -
| /dev/dngl || - || -
|-
|-
| hdmi || HDMI || -
| /dev/duid || - || -
|-
|-
| hid || Human Interface Device || -
| /dev/encdec || EncDec || -
|-
|-
| hmd2_* || Head-mounted Display || For PS VR 2.
| /dev/envelope || - || -
|-
|-
| hmd_* || Head-mounted Display || For PS VR first revision.
| /dev/evlg{0,1} || - || -
|-
|-
| iccnvs{0,1,2,4,6} || ICC NVS || Specific access to Sectors 0, 1, 2, 4 and 6 of [[Serial Flash]] [[Non Volatile Storage]]
| /dev/exthdd || External HDD || -
|-
|-
| icc_configuration || ICC Configuration || -
| /dev/fcram || - || -
|-
|-
| icc_crash_report || ICC Crash Report || -
| /dev/fsctrl || - || -
|-
|-
| icc_device_power || ICC Device Power || -
| /dev/fttrm || - || -
|-
|-
| icc_fan || ICC Fan || -
| /dev/gbase || - || -
|-
|-
| icc_floyd || ICC Floyd || SNVS Storage Device. ?TPM related?
| /dev/gc || GPU command || -
|-
|-
| icc_indicator || ICC Indicator || Control the LEDs.
| /dev/geom.ctl || - || -
|-
|-
| icc_nvs || ICC NVS || ?Global access to [[Serial Flash]] [[Non Volatile Storage]] like on PS4?
| /dev/gic || - || -
|-
|-
| icc_power || ICC Power || -
| /dev/gsched_bds.ctl || - || -
|-
|-
| icc_sc_config || ICC ?Syscon? Configuration || -
| /dev/hdmi || HDMI || -
|-
|-
| icc_thermal || ICC Thermal || -
| /dev/hid || - || -
|-
|-
| klog || Kernel Log || Read syscall on this device can be used to get kernel log if privileged
| /dev/hmd2_* || VR 2? || -
|-
|-
| kmbp || - || -
| /dev/hmd_* || VR || -
|-
|-
| lvdctl || Layered Vnode Device Control || -
| /dev/iccnvs{0,1,2,4,6} || - || -
|-
|-
| lvd{0,1} || Layered Vnode Device || lv0 is a mountpoint for /mnt/rnps. lvd1 is a mountpoint for /mnt/sandbox/download/NPXS40140. See [[Filesystem]].
| /dev/icc_configuration || ICC Config || -
|-
|-
| cd0 || Compact Disc 0 || cd0 is a mountpoint for /mnt/disc. See [[Filesystem]].
| /dev/icc_crash_report || ICC Crash Report || -
|-
|-
| m2.ctl || [[M.2 SSD]] ?Control? || -
| /dev/icc_device_power || ICC Device Power || -
|-
|-
| manuauth || Manufacturer Auth || -
| /dev/icc_fan || ICC Fan || -
|-
|-
| mbus || ?Media/Memory/Management? Bus || Event bus
| /dev/icc_floyd || ICC TPM? || -
|-
|-
| mbus_av || ?Media/Memory/Management? Bus (?audio video?) || Event bus maybe for audio/video.
| /dev/icc_indicator || ICC LED || -
|-
|-
| md0 || ?Mount Directory? 0 || Main System modules/devices are located here for Kernel
| /dev/icc_nvs || ICC NVS || -
|-
|-
| md2 || ?Mount Directory? 2 || md2 is a mountpoint for /system_data/eap/rodata. See [[Filesystem]].
| /dev/icc_power || ICC Power || -
|-
|-
| mdctl || ?Mount Directory? Control || -
| /dev/icc_sc_config || ICC Syscon? Config || -
|-
|-
| da1s1 || DA 1 Sector 1 || da1s1 is a mountpoint for /mnt/usb0. See [[Filesystem]].
| /dev/icc_thermal || ICC Thermal || -
|-
|-
| metadbg || Meta Debug || -
| /dev/klog || Kernel Log || Read syscall on this device can be used to get kernel log if privileged
|-
|-
| mp1 || System Management Unit (SMU) || Power management, thermals, etc. See MP1 section.
| /dev/kmbp || - || -
|-
|-
| mp3 || Trusted Execution Environment (TEE) || See MP3 section.
| /dev/lvdctl || - || -
|-
|-
| mp4/dump{_for_decid} || A53 (mdbg?) || See MP4 section.
| /dev/lvd{0,1} || - || -
|-
|-
| notification{0-9} || Notification || -
| /dev/m2.ctl || m.2 NVMe Control? || -
|-
|-
| npdrm || Network Product Digital Rights Management interface || -
| /dev/mbus || Event bus || -
|-
|-
| nsfsctl || Namespace Filesystem (NSFS) Control || -
| /dev/mbus_av || Event bus (audio video?) || -
|-
|-
| nsid1.ctl || Namespace ID 1 Control || -
| /dev/md0 || - || -
|-
|-
| otpaccess || One-Time Programmable Access? || -
| /dev/md2 || - || -
|-
|-
| pfsctldev || PFS Control Device || -
| /dev/mdctl || - || -
|-
|-
| pfsmgr || PFS Manager || Used for [[Trophy]], [[Save Data]], [[Keystone]]
| /dev/metadbg || - || -
|-
|-
| playgo_emu_param{1,2,3} || [[PlayGo]] emulator params || -
| /dev/mp1 || System Management Unit (SMU) || Power management, thermals, etc. (see mp1 section)
|-
|-
| pltauth{0,1} || Platform Authentication || For PSN connection.
| /dev/mp3 || Trusted Execution Environment (TEE) || See mp3 section
|-
|-
| pup_update0 || PUP Update || -
| /dev/mp4/dump{_for_decid} || A53 (mdbg?) || See mp4 section
|-
|-
| qafutkn || QA flag / Utoken || -
| /dev/notification{0-9} || Notification || -
|-
|-
| rnps || React Native PS || [[RNPS]] regroups many PSN services (friends, party, events, etc.)
| /dev/npdrm || - || -
|-
|-
| rootparam || Root Param || Used by [[SceShellCore]] for verifying root param SFO/JSON
| /dev/nsfsctl || - || -
|-
|-
| s3da || ?System/Software? 3D Acceleration || See Marcan's slides about PS4 GPU Linux driver.
| /dev/nsid1.ctl || - || -
|-
|-
| sbl_secreg || SBL Secure Region/Registry || -
| /dev/otpaccess || One-Time Programmable Access? || -
|-
|-
| sbl_srv || SBL Service || Used exclusively by playready
| /dev/pfsctldev || - || -
|-
|-
| scanin || - || -
| /dev/pfsmgr || - || -
|-
|-
| sce_zlib{_sys} || zlib || zlib (de)compression
| /dev/playgo_emu_param{1,2,3} || PlayGo emulator params || -
|-
|-
| sc_fw_update0 || ?syscon? firmware update || -
| /dev/pltauth{0,1} || - || -
|-
|-
| sflash0 || [[Serial Flash]] || 2MB. Contains [[EMC]] firmware and (non-secure) NVS.
| /dev/pup_update0 || PUP Update || -
|-
|-
| sflash0s0 || [[Serial Flash]] Sector 0 ||  
| /dev/qafutkn || QA flag / utoken || -
|-
|-
| sflash0s0x0 || [[Serial Flash]] Sector 0 Block 0 ||  
| /dev/rnps || React Native PS || PSN related
|-
|-
| sflash0s0x34 || [[Serial Flash]] Sector 0 Block 34 || Serial Flash [[Non Volatile Storage]]
| /dev/rootparam || - || -
|-
|-
| sflash0s0x32 || [[Serial Flash]] Sector 0 Block 32 || To be confirmed.
| /dev/s3da || 3D Audio || -
|-
|-
| sflash0s0x32b || [[Serial Flash]] Sector 0 Block 32 bis ||  
| /dev/sbl_secreg || - || -
|-
|-
| sflash0s0x41b || [[Serial Flash]] Sector 0 Block 41 || To be confirmed.
| /dev/sbl_srv || - || -
|-
|-
| sflash0s0x41b || [[Serial Flash]] Sector 0 Block 41 bis ||  
| /dev/scanin || - || -
|-
|-
| sflash0s1 || [[Serial Flash]] Sector 1 || To be confirmed.
| /dev/sce_zlib{_sys} || zlib || zlib (de)compression
|-
|-
| sflash0s1.crypt || [[Serial Flash]] Sector 1 encrypted || To be confirmed.
| /dev/sc_fw_update0 || (syscon?) firmware update || -
|-
|-
| sflash0s1.cryptx40 || [[Serial Flash]] Sector 1 encrypted Block 40 ||  
| /dev/sflash0 || SPI flash || 2MB. Has EMC firmware and (non-secure) NVS.
|-
|-
| srtc || Secure Real Time Clock || -
| /dev/srtc || - || -
|-
|-
| ssd0.* || Solid State Drive 0 || Mountpoints for many internal SSD partitions. See [[Filesystem]].
| /dev/ssd0.* || Internal SSD partitions || -
|-
|-
| sshot || Screenshot || -
| /dev/sshot || Screenshot || -
|-
|-
| transactionid.ctl || Transaction ID Control || -
| /dev/transactionid.ctl || - || -
|-
|-
| ufssuspend || UFS Suspend || -
| /dev/ufssuspend || - || -
|-
|-
| usbctl || USB Control || -
| /dev/usbctl || USB control || -
|-
|-
| uvd_{dec/enc/bgt} || ?Unified Video Decoder? || Maybe related to gameplay recording.
| /dev/uvd_{dec/enc/bgt} || Unified Video Decoder? || -
|-
|-
| wlanbt || Wireless LAN + Bluetooth || -
| /dev/wlanbt || - || -
|-
|-
| xpt0 || XPT Transport Interface || CAM Transport Layer
| /dev/xtp0 || - || -
|}
|}
== Platform Security Processor Core (PSP) (MP0) ==
* See also the [[AMD Platform Security Processor]] wiki page.
* All the fun things related to PS5 security are here.
* Named AMD SMU PSP (AMD System Management Unit Platform Security Processor) and ASP (AMD Secure Processor) as well.


== System Management Unit (SMU) (MP1) ==
== System Management Unit (SMU) (MP1) ==
MP1 (System Management Unit or "SMU") is an xtensa CPU responsible for power management, clock management, sampling sensor data, and other power/thermal-related tasks. The /dev/mp1 device can be used to issue commands to it. Below are known commands.
MP1 (System Management Unit or "SMU") is an xtensa CPU responsible for power management, clock management, sampling sensor data, and other power/thermal-related tasks. The /dev/mp1 device can be used to issue commands to it. Below are known commands.


Line 258: Line 218:
| 0xC00CAE1E || MP1_IOCTL_GET_COREPSTATE || Get core power state?
| 0xC00CAE1E || MP1_IOCTL_GET_COREPSTATE || Get core power state?
|}
|}
== Sensor Fusion Processor (SFP) (MP2) ==
* It does not exist on PS5 as it is mainly for mobiles.


== Trusted Execution Environment (TEE) (MP3) ==
== Trusted Execution Environment (TEE) (MP3) ==
 
MP3 consists of the Trusted Execution Environment (TEE) running on the AMD Platform Security Processor (PSP/SP). Its primary function is Digital Rights Management (DRM) via [https://www.microsoft.com/playready/features/EnhancedContentProtection.aspx PlayReady SL3000]. In userspace, the libSceTEEClient library is used for interfacing with it, which internally uses /dev/mp3 to load secure binaries (sbins) and establish sessions. Below are known commands.
MP3 consists of the Trusted Execution Environment (TEE) running on the [[AMD Platform Security Processor]]. Its primary function is Digital Rights Management (DRM) via [https://www.microsoft.com/playready/features/EnhancedContentProtection.aspx PlayReady SL3000]. In usermode, the libSceTEEClient library is used for interfacing with it, which internally uses /dev/mp3 to load secure binaries (sbins) and establish sessions. Below are known commands.


{| class="wikitable sortable"
{| class="wikitable sortable"
|-
|-
! IOCTL # !! Name !! Notes
! IOCTL # !! Name !! Notes
|-
|0x400CB400
|TEE_IOC_VERSION
| -
|-
|-
| 0xC010B403 || TEE_IOC_INVOKE || Invoke commands
| 0xC010B403 || TEE_IOC_INVOKE || Invoke commands
|-
|0xC010B402
|TEE_IOC_OPEN_SESSION
| -
|-
|0xC008B404
|TEE_IOC_CANCEL
| -
|-
|-
| 0xC010B408 || TEE_IOC_DLM_GET_DEBUG_TOKEN || -
| 0xC010B408 || TEE_IOC_DLM_GET_DEBUG_TOKEN || -
Line 303: Line 246:


== A53MM/A53IO (MP4) ==
== A53MM/A53IO (MP4) ==
MP4, which consists of /dev/a53mm, /dev/a53mmsys, and /dev/a53io, is used for various tasks, and its overall purpose is not fully understood. Some of the things it includes are debugging (mdbg), video encode/decode, and other various memory-management related things. Below are known commands.
MP4, which consists of /dev/a53mm, /dev/a53mmsys, and /dev/a53io, is used for various tasks, and its overall purpose is not fully understood. Some of the things it includes are debugging (mdbg), video encode/decode, and other various memory-management related things. Below are known commands.


'''a53mm'''
{| class="wikitable sortable"
|-
! IOCTL # !! Name !! Notes
|-
| 0xC004AC01 || - || -
|-
| 0xC030AC02 || A53MM_GIVE_DIRECT_MEM_TO_MAPPER || -
|-
| 0xC030AC03 || A53MM_CALL_INDIRECT_BUFFER || -
|-
| 0xC050AC05 || A53MM_MAPPER_VIRTUAL_QUERY || -
|-
| 0xC038AC06 || A53MM_GET_PARAM * || -
|-
| 0xC018AC07 || - || -
|-
| 0xC004AC08 || - || -
|-
| 0xC018AC09 || - || -
|-
| 0xC010AC0A || - || -
|-
| 0xC018AC0B || A53MM_MAPPER_QUERY_PA || -
|-
| 0xC004AC0D || A53MM_WAIT_COMMAND_BUFFER_COMPLETION || -
|-
| 0xC018AC0E || A53MM_INTERNAL_LOCK_UNLOCK_MAPPER_MEMORY || -
|-
| 0xC018AC0F || - || -
|-
| 0xC018AC10 || A53MM_GET_USAGE_STATS_DATA || -
|-
| 0xC004AC11 || A53MM_SET_PAGE_TABLE_POOL_OCCUPANCY_THRESHOLD || -
|-
| 0xC018AC12 || A53MM_INTERNAL_TEST_PAGE_MIGRATION || -
|-
| 0xC004AC13 || - || -
|}
'''a53mmsys'''
{| class="wikitable sortable"
|-
! IOCTL # !! Name !! Notes
|-
| 0xc020b501 || A53MMSYS_INTERNAL_LOCK_UNLOCK_MAPPER_MEMORY || -
|-
| 0xc028b502 || - || -
|-
| 0xc050b503 || - || -
|-
| 0xc010b504 || - || -
|-
| 0xc028b505 || A53MMSYS_MAPPER_GET_INDIRECT_BUFFER_INFO || -
|-
| 0xc020b506 || - || -
|-
| 0xc018b507 || - || -
|-
| 0xc018b508 || A53MMSYS_DEBUG_MAPPER_QUERY_DMEM_OFFSET || -
|-
| 0xc020b50a || - || -
|-
| 0xc010b50b || A53MMSYS_DEBUG_GET_AMPR_COUNTER_INFO || -
|}
'''a53io'''
{| class="wikitable sortable"
{| class="wikitable sortable"
|-
|-
! IOCTL # !! Name !! Notes
! IOCTL # !! Name !! Notes
|-
| 0x80046101 || NAND_A53IO_OPEN || Exposes NAND groups for reading
|-
| 0x80046102 || NAND_A53IO_CLOSE || Closes off NAND groups
|-
| 0x80046103 || NAND_A53IO_SETUP_FLASH_DEVICE || -
|-
| 0x80046104 || NAND_A53IO_DISABLE_CONTROLLER || Disables A53 controller (warning: this will put the console in a bad state)
|-
| 0x80046105 || NAND_A53IO_FORMAT_NVM || Formats NVMe
|-
| 0x80186111 || BFS_A53IO_READ_DEVICE? || -
|-
|-
| 0xC03861A1 || BFS_A53IO_READ_BLOCK || -
| 0xC03861A1 || BFS_A53IO_READ_BLOCK || -
Line 393: Line 256:
| 0xC03861A2 || BFS_A53IO_WRITE_BLOCK || -
| 0xC03861A2 || BFS_A53IO_WRITE_BLOCK || -
|-
|-
| 0xC01061C1 || BFS_A53IO_CREATE_RESERVED_LBA || -
| 0xC038AC06 || IOC_A53MM_GET_PARAM || -
|-
| 0xC01061C2 || BFS_A53IO_DELETE_RESERVED_LBA || -
|-
| 0xC00C61C5 || ???? || Related to delete logical partitions
|-
| 0xC01061C8 || ???? || Related to delete logical partitions
|-
| 0xC02061CA || ???? || Related to delete logical partitions
|}
 
== Backup and Restore ==
 
Backup and Restore (BAR) is used by [[SceShellCore]] via /dev/bar. Below are known commands.
 
{| class="wikitable sortable"
|-
! IOCTL # !! Name !! Notes
|-
| 0xC0684201 || BAR_CREATE_CONTEXT || -
|-
| 0xC0684202 || BAR_DESTROY_CONTEXT * || -
|-
| 0xC0684203 || BAR_INIT_CONTEXT || -
|-
| 0xC0684204 || BAR_UPDATE_AAD || -
|-
| 0xC0684205 || BAR_UPDATE_ENCRYPT || -
|-
| 0xC0684206 || BAR_UPDATE_DECRYPT || -
|-
| 0xC0684207 || BAR_FINISH_ENCRYPT || -
|-
| 0xC0684208 || BAR_FINISH_DECRYPT || -
|}
 
== Disc UID ==
 
Disc UID (/dev/duid) has its own library (libSceDiscId). It's unknown what this is used for at present. It has two known [[IOCTL]]s.
 
{| class="wikitable sortable"
|-
! IOCTL # !! Name !! Notes
|-
| 0xC0104401 || DISC_ID_GET || -
|-
| 0xC0104402 || DISC_ID_GET2 || -
|}
 
== Dynamic Library Debug ==
 
Dynamic Lib Debug (/dev/dldbg) is used by the library for debugging syscore. Given the name, it's likely used for debugging sprx libs. Below are known commands.
 
{| class="wikitable sortable"
|-
! IOCTL # !! Name !! Notes
|-
| 0x80084401 || DLDBG_STOP_ON_DL_LOAD || -
|-
| 0x80084402 || DLDBG_NO_STOP_ON_DL_LOAD || -
|-
| 0xC0084403 || DLDBG_GET_DL_LOAD_FLAG || -
|-
|}
 
== FTTRM ==
 
FTTRM's full purpose is unknown, but it is likely DRM-related. It is used by the Bluray application (BdmvPlayerCore, BdvdPlayerCore, UHDBdPlayerCore) via /dev/fttrm. There are only two known commands. RM stands for Rights Management and FT may stand for FilmTrack or Film and Television Tracking. See [https://info.filmtrack.com/the-critical-role-of-security-in-entertainment-rights-management].
 
{| class="wikitable sortable"
|-
! IOCTL # !! Name !! Notes
|-
| 0xC0185301 || FTTRM_READ_SECTOR || -
|-
| 0xC0185302 || FTTRM_WRITE_SECTOR || -
|}
 
== ICC Floyd (TPM) ==
 
The /dev/icc_floyd is for interacting with the floyd Trusted Platform Module (TPM) over ICC. It only has one known command.
 
{| class="wikitable sortable"
|-
! IOCTL # !! Name !! Notes
|-
| 0x400EB701 || ICC_FLOYD_GET_VERSION || -
|-
| 0xC010440E || FLOYD_UPDATE_FW || -
|-
|}
 
== Manufacturer Authorization ==
 
The /dev/manuauth device seems to be for manufacturer authorization or authentication. It is used in various updaters. Below are known commands.
 
{| class="wikitable sortable"
|-
! IOCTL # !! Name !! Notes
|-
| 0x40184D01 || MANUAUTH_LOAD_SM || Loads the secure module
|-
| 0x40184D02 || MANUAUTH_UNLOAD_SM || Unloads the secure module
|-
| 0xC0184D03 || MANUAUTH_SET_MANU_MODE || Sets manufacturer mode
|-
|}
 
== Namespace Filesystem Control ==
 
The Namespace Filesystem (NSFS) is used by Virtual Shell (Vsh) and [[SceShellCore]]. It is critical to processes running on the system. Below are known commands.
 
{| class="wikitable sortable"
|-
! IOCTL # !! Name !! Notes
|-
| 0xC0406E00 || NSFS_CREATE_REDIRECT || -
|-
| 0xC0406E01 || NSFS_DELETE_REDIRECT || -
|-
| 0xC0186E02 || NSFS_GET_REDIRECT_STATS || -
|-
| 0xC0206E03 || NSFS_ADD_OVERLAY_TO_NAMESPACE || -
|-
| 0xC0186E04 || NSFS_SET_GLOBAL_EXCLUDE || -
|}
 
== PFS Control ==
 
Playstation FileSystem (PFS) Control and /dev/pfsctldev is used internally for VSH. Below are known commands.
 
{| class="wikitable sortable"
|-
! IOCTL # !! Name !! Notes
|-
| 0x8030B001 || DEVPFSCTL_FORMAT || -
|-
| 0xC0E0B006 || DEVPFSCTL_GETFSSTAT || -
|-
| 0xC040B008 || DEVPFSCTL_MOUNT || -
|-
| 0xC038B009 || DEVPFSCTL_UNMOUNT || -
|-
| 0xC028B00A || DEVPFSCTL_GETEVENT || -
|-
| 0xC030B00B || DEVPFSCTL_EVENTCOMP || -
|-
| 0xC020B00C || DEVPFSCTL_CANCELEVENT || -
|-
| 0xC020B00D || DEVPFSCTL_REGEVENT || -
|-
| 0xC020B00E || DEVPFSCTL_DEREGEVENT || -
|-
| 0x8004B00F || DEVPFSCTL_SYSPOWEREVENT || -
|-
| 0xC008B074 || DEVPFSCTL_FSCK || -
|}
 
== PFS Manager ==
 
PFS Manager (/dev/pfsmgr) is used by [[SceShellCore]]. It handles trophy related tasks, savedata, and keystone verification. Below are known commands.
 
{| class="wikitable sortable"
|-
! IOCTL # !! Name !! Notes
|-
| 0xC1185001 || - || -
|-
| 0xC1185002 || - || -
|-
| 0xC1185003 || - || -
|-
| 0xC4085004 || - || -
|-
| 0x40845301 || - || - trophy related
|-
| 0xC0845302 || - || - savedata related
|-
| 0x40845303 || - || - savedata related
|-
| 0xC0845304 || - || - ???
|-
| 0xC0845305 || - || - ???
|-
| 0xC0A84B01 || - || - ???
|-
| 0xC0A84B02 || PFSMGR_VERIFY_KEYSTONE || -
|}
 
== PUP Updater ==
 
The /dev/pup_update0 device is used to perform firmware updates.
 
{| class="wikitable sortable"
|-
! IOCTL # !! Name !! Notes
|-
| 0xC0104401 || PUP_UPDATER_VERIFY_BLS_HEADER || -
|-
| 0xC0184402 || PUP_UPDATER_DECRYPT_HEADER || -
|-
| 0xC0184403 || PUP_UPDATER_VERIFY_ADDITIONAL_SIGN || -
|-
| 0xC0184404 || PUP_UPDATER_VERIFY_WATERMARK || -
|-
| 0xC0184405 || PUP_UPDATER_DECRYPT_SEGMENT || -
|-
| 0xC0284406 || PUP_UPDATER_DECRYPT_SEGMENT_BLOCK || -
|-
| 0x20004407 || PUP_UPDATER_UPDATE_SNVS || -
|-
| 0xC0104408 || PUP_UPDATER_GEN_CHALLENGE || -
|-
| 0xC018440A || PUP_UPDATER_READ_NAND_GROUP || -
|-
| 0xC018440B || PUP_UPDATER_WRITE_NAND_GROUP || -
|-
| 0xC010440C || PUP_UPDATER_IDENTIFY_NAND_CONTROLLER || -
|-
| 0xC004440D || PUP_UPDATER_IS_FW_OPERATIONAL || -
|-
| 0xC010440E || PUP_UPDATER_FLOYD_UPDATE_FW || -
|-
| 0xC001440F || PUP_UPDATER_GET_XTS_KEY_NUM || -
|-
| 0xC0104410 || PUP_UPDATER_VERIFY_RESPONSE || -
|}
 
== Root Param ==
 
Root Param is used by [[SceShellCore]] to verify root PARAM.SFO files (for PS4) or JSON files (for PS5, aka PPR for ProsPeRo). Below are known commands.
 
{| class="wikitable sortable"
|-
! IOCTL # !! Name !! Notes
|-
| 0xC0305201 || ROOTPARAM_VERIFY_PS4_ROOT_PARAM || -
|-
| 0xC0305202 || ROOTPARAM_VERIFY_PPR_ROOT_PARAM || -
|-
| 0xC0305203 || ROOTPARAM_RESUME_FROM_STANDBY || -
|}
 
== CAM Transport Layer ==
 
CAM (Common Access Method) storage subsystem provides a method for implementing drivers to control various known storage devices.
Attaches any devices it finds to the appropriate drivers.
 
{| class="wikitable sortable"
|-
! IOCTL # !! Name !! Notes
|-
| 0xC4E01902 || - || related to cam_send_ccb
|-
| 0xC4E01903 || CAMGETPASSTHRU || related to cam_lookup_pass
|}
 
== Wireless LAN and Bluetooth ==
 
WLAN and Bluetooth functionality is reachable via /dev/wlanbt. Below are known commands.
 
{| class="wikitable sortable"
|-
! IOCTL # !! Name !! Notes
|-
| 0x40047400 || WLANBT_GET_DEVICE_ID || -
|}
|}
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