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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.
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 || -
| /dev/a53{io,mm,mmsys} || A53 Input/Output, Memory Management (sys) || See MP4 section
|-
|-
| az{1,ctl} || - || Audio-related
| /dev/ajm{i} || Audio Job Manager || -
|-
|-
| bar || [[Backup And Restore]] || Used by shellcore for backup and recovery
| /dev/auditpipe || - || -
|-
|-
| bfs/ctl || - || -
| /dev/authmgr || Authentication Manager || -
|-
|-
| bluetooth_hid || Bluetooth Human Interface Device || -
| /dev/az{1,ctl} || - || Audio-related
|-
|-
| bt || Bluetooth || -
| /dev/bar || Backup and Restore || Used by shellcore for backup and recovery
|-
|-
| camera || Camera || -
| /dev/bfs/ctl || - || -
|-
|-
| cloudsd || Cloud SaveData || -
| /dev/bluetooth_hid || - || -
|-
|-
| console || Console || Usermode logging
| /dev/bt || - || -
|-
|-
| crepo || Crash Report || Used for crash reporting service (coredump, gpudump, shellcore)
| /dev/camera || Camera || -
|-
|-
| ctrlp{_sync} || -CTRLP || Used by libScePad (controller). See PS4 and PS Vita ctrlp modules.
| /dev/cloudsd || Cloud SaveData || -
|-
|-
| dbggc{_control} || Debug GPU? || -
| /dev/console || Console || Usermode logging
|-
|-
| deci_coredump || [[DECI5]] coredump || -
| /dev/crepo || Crash Report || Used for crash reporting service (coredump, gpudump, shellcore)
|-
|-
| deci_mp4_ioc || [[DECI5]] MP4 ?I/O Control? || -
| /dev/ctrlp{_sync} || - || Used by libScePad (controller)
|-
|-
| deci_mp4_mmc || [[DECI5]] MP4 ?MM Control? || -
| /dev/dbggc{_control} || Debug GPU? || -
|-
|-
| deci_std{in,out,err} || [[DECI5]] Input/Output/Error || -
| /dev/deci_coredump || Debug Com. Interface (DECI) coredump || -
|-
|-
| deci_tty* || [[DECI5]] Terminals || -
| /dev/deci_mp4_ioc || DECI I/O Control? || -
|-
|-
| devctl || Dev Control || -
| /dev/deci_mp4_mmc || - || -
|-
|-
| diag || Diagnosis || -
| /dev/deci_std{in,out,err} || DECI Input/Output/Error || -
|-
|-
| dipsw || [[DIP Switches]] || -
| /dev/deci_tty* || DECI Terminals || -
|-
|-
| dldbg || Dynamic Library Debug || -
| /dev/devctl || - || -
|-
|-
| dmem{0,1,2} || - || -
| /dev/diag || - || -
|-
|-
| dngl || - || -
| /dev/dipsw || Dip Switch || -
|-
|-
| duid || Disc Unique ID || -
| /dev/dldbg || Dynamic Library Debug || -
|-
|-
| encdec || Encrypt Decrypt || Related to Portability Keys.
| /dev/dmem{0,1,2} || - || -
|-
|-
| envelope || [[Envelope Files]] || Related to Envelope Files Keys.
| /dev/dngl || - || -
|-
|-
| evlg{0,1} || Event Log || Intended to be used with read syscall
| /dev/duid || Disc Unique ID || -
|-
|-
| exthdd || External HDD || -
| /dev/encdec || EncDec || -
|-
|-
| fcram || - || -
| /dev/envelope || Envelope Format Crypto || -
|-
|-
| fsctrl || FileSystem Control || -
| /dev/evlg{0,1} || Event Log || Intended to be used with read syscall
|-
|-
| fttrm || ?Film and Television Tracking? Rights Management || Used by bluray app
| /dev/exthdd || External HDD || -
|-
|-
| gbase || - || -
| /dev/fcram || - || -
|-
|-
| gc || GPU command || -
| /dev/fsctrl || - || -
|-
|-
| geom.ctl || - || -
| /dev/fttrm || - || Used by bluray app
|-
|-
| gic || - || -
| /dev/gbase || - || -
|-
|-
| gsched_bds.ctl || - || -
| /dev/gc || GPU command || -
|-
|-
| hdmi || HDMI || -
| /dev/geom.ctl || - || -
|-
|-
| hid || Human Interface Device || -
| /dev/gic || - || -
|-
|-
| hmd2_* || Head-mounted Display || For PS VR 2.
| /dev/gsched_bds.ctl || - || -
|-
|-
| hmd_* || Head-mounted Display || For PS VR first revision.
| /dev/hdmi || HDMI || -
|-
|-
| 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/hid || - || -
|-
|-
| icc_configuration || ICC Configuration || -
| /dev/hmd2_* || VR 2? || -
|-
|-
| icc_crash_report || ICC Crash Report || -
| /dev/hmd_* || VR || -
|-
|-
| icc_device_power || ICC Device Power || -
| /dev/iccnvs{0,1,2,4,6} || ICC_NVS (sectors) || Location of Sectors 0, 1, 2, 4 and 6 of sflash0 non volatile storage
|-
|-
| icc_fan || ICC Fan || -
| /dev/icc_configuration || ICC Config || -
|-
|-
| icc_floyd || ICC Floyd || SNVS Storage Device. ?TPM related?
| /dev/icc_crash_report || ICC Crash Report || -
|-
|-
| icc_indicator || ICC Indicator || Control the LEDs.
| /dev/icc_device_power || ICC Device Power || -
|-
|-
| icc_nvs || ICC NVS || ?Global access to [[Serial Flash]] [[Non Volatile Storage]] like on PS4?
| /dev/icc_fan || ICC Fan || -
|-
|-
| icc_power || ICC Power || -
| /dev/icc_floyd || ICC TPM? || SNVS Storage Device
|-
|-
| icc_sc_config || ICC ?Syscon? Configuration || -
| /dev/icc_indicator || ICC LED || -
|-
|-
| icc_thermal || ICC Thermal || -
| /dev/icc_nvs || ICC NVS || -
|-
|-
| klog || Kernel Log || Read syscall on this device can be used to get kernel log if privileged
| /dev/icc_power || ICC Power || -
|-
|-
| kmbp || - || -
| /dev/icc_sc_config || ICC Syscon? Config || -
|-
|-
| lvdctl || Layered Vnode Device Control || -
| /dev/icc_thermal || ICC Thermal || -
|-
|-
| 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/klog || Kernel Log || Read syscall on this device can be used to get kernel log if privileged
|-
|-
| cd0 || Compact Disc 0 || cd0 is a mountpoint for /mnt/disc. See [[Filesystem]].
| /dev/kmbp || - || -
|-
|-
| m2.ctl || [[M.2 SSD]] ?Control? || -
| /dev/lvdctl || Layered Vnode Device Control || -
|-
|-
| manuauth || Manufacturer Auth || -
| /dev/lvd{0,1} || Layered Vnode Device || -
|-
|-
| mbus || ?Media/Memory/Management? Bus || Event bus
| /dev/m2.ctl || m.2 NVMe Control? || -
|-
|-
| mbus_av || ?Media/Memory/Management? Bus (?audio video?) || Event bus maybe for audio/video.
| /dev/manuauth || Manufacturer Auth|| -
|-
|-
| md0 || ?Mount Directory? 0 || Main System modules/devices are located here for Kernel
| /dev/mbus || Event bus || -
|-
|-
| md2 || ?Mount Directory? 2 || md2 is a mountpoint for /system_data/eap/rodata. See [[Filesystem]].
| /dev/mbus_av || Event bus (audio video?) || -
|-
|-
| mdctl || ?Mount Directory? Control || -
| /dev/md0 || Kernel Md0 || Main System modules are located here for Kernel (Not System Modules!)
|-
|-
| da1s1 || DA 1 Sector 1 || da1s1 is a mountpoint for /mnt/usb0. See [[Filesystem]].
| /dev/md2 || - || -
|-
|-
| metadbg || Meta Debug || -
| /dev/mdctl || - || -
|-
|-
| mp1 || System Management Unit (SMU) || Power management, thermals, etc. See MP1 section.
| /dev/metadbg || - || -
|-
|-
| mp3 || Trusted Execution Environment (TEE) || See MP3 section.
| /dev/mp1 || System Management Unit (SMU) || Power management, thermals, etc. (see mp1 section)
|-
|-
| mp4/dump{_for_decid} || A53 (mdbg?) || See MP4 section.
| /dev/mp3 || Trusted Execution Environment (TEE) || See mp3 section
|-
|-
| notification{0-9} || Notification || -
| /dev/mp4/dump{_for_decid} || A53 (mdbg?) || See mp4 section
|-
|-
| npdrm || Network Product Digital Rights Management interface || -
| /dev/notification{0-9} || Notification || -
|-
|-
| nsfsctl || Namespace Filesystem (NSFS) Control || -
| /dev/npdrm || Network Product Digital Rights Management interface || -
|-
|-
| nsid1.ctl || Namespace ID 1 Control || -
| /dev/nsfsctl || Namespace Filesystem (NSFS) Control || -
|-
|-
| otpaccess || One-Time Programmable Access? || -
| /dev/nsid1.ctl || - || -
|-
|-
| pfsctldev || PFS Control Device || -
| /dev/otpaccess || One-Time Programmable Access? || -
|-
|-
| pfsmgr || PFS Manager || Used for [[Trophy]], [[Save Data]], [[Keystone]]
| /dev/pfsctldev || Playstation Filesystem (PFS) Control || -
|-
|-
| playgo_emu_param{1,2,3} || [[PlayGo]] emulator params || -
| /dev/pfsmgr || PFS Manager || Used for trophies, savegames, keystone
|-
|-
| pltauth{0,1} || Platform Authentication || For PSN connection.
| /dev/playgo_emu_param{1,2,3} || PlayGo emulator params || -
|-
|-
| pup_update0 || PUP Update || -
| /dev/pltauth{0,1} || Platform Authentication (PSN) || -
|-
|-
| qafutkn || QA flag / Utoken || -
| /dev/pup_update0 || PUP Update || -
|-
|-
| rnps || React Native PS || [[RNPS]] regroups many PSN services (friends, party, events, etc.)
| /dev/qafutkn || QA flag / Utoken || -
|-
|-
| rootparam || Root Param || Used by [[SceShellCore]] for verifying root param SFO/JSON
| /dev/rnps || React Native PS || PSN related
|-
|-
| s3da || ?System/Software? 3D Acceleration || See Marcan's slides about PS4 GPU Linux driver.
| /dev/rootparam || Root Param || Used by shellcore for verifying root param sfo/json
|-
|-
| sbl_secreg || SBL Secure Region/Registry || -
| /dev/s3da || 3D Audio || -
|-
|-
| sbl_srv || SBL Service || Used exclusively by playready
| /dev/sbl_secreg || SBL Secure Region || -
|-
|-
| scanin || - || -
| /dev/sbl_srv || SBL Service || Used exclusively by playready
|-
|-
| sce_zlib{_sys} || zlib || zlib (de)compression
| /dev/scanin || - || -
|-
|-
| sc_fw_update0 || ?syscon? firmware update || -
| /dev/sce_zlib{_sys} || zlib || zlib (de)compression
|-
|-
| sflash0 || [[Serial Flash]] || 2MB. Contains [[EMC]] firmware and (non-secure) NVS.
| /dev/sc_fw_update0 || (syscon?) firmware update || -
|-
|-
| sflash0s0 || [[Serial Flash]] Sector 0 ||  
| /dev/sflash0 || SPI flash || 2MB. Has EMC firmware and (non-secure) NVS.
|-
|-
| sflash0s0x0 || [[Serial Flash]] Sector 0 Block 0 ||  
| /dev/srtc || Secure Real Time Clock || -
|-
|-
| sflash0s0x34 || [[Serial Flash]] Sector 0 Block 34 || Serial Flash [[Non Volatile Storage]]
| /dev/ssd0.* || Internal SSD partitions || -
|-
|-
| sflash0s0x32 || [[Serial Flash]] Sector 0 Block 32 || To be confirmed.
| /dev/sshot || Screenshot || -
|-
|-
| sflash0s0x32b || [[Serial Flash]] Sector 0 Block 32 bis ||  
| /dev/transactionid.ctl || - || -
|-
|-
| sflash0s0x41b || [[Serial Flash]] Sector 0 Block 41 || To be confirmed.
| /dev/ufssuspend || - || -
|-
|-
| sflash0s0x41b || [[Serial Flash]] Sector 0 Block 41 bis ||  
| /dev/usbctl || USB control || -
|-
|-
| sflash0s1 || [[Serial Flash]] Sector 1 || To be confirmed.
| /dev/uvd_{dec/enc/bgt} || Unified Video Decoder? || -
|-
|-
| sflash0s1.crypt || [[Serial Flash]] Sector 1 encrypted || To be confirmed.
| /dev/wlanbt || Wireless LAN + Bluetooth || -
|-
|-
| sflash0s1.cryptx40 || [[Serial Flash]] Sector 1 encrypted Block 40 ||
| /dev/xpt0 || XPT Transport Interface || CAM Transport Layer
|-
| srtc || Secure Real Time Clock || -
|-
| ssd0.* || Solid State Drive 0 || Mountpoints for many internal SSD partitions. See [[Filesystem]].
|-
| sshot || Screenshot || -
|-
| transactionid.ctl || Transaction ID Control || -
|-
| ufssuspend || UFS Suspend || -
|-
| usbctl || USB Control || -
|-
| uvd_{dec/enc/bgt} || ?Unified Video Decoder? || Maybe related to gameplay recording.
|-
| wlanbt || Wireless LAN + Bluetooth || -
|-
| xpt0 || XPT Transport Interface || CAM Transport Layer
|}
|}


== Platform Security Processor Core (PSP) (MP0) ==
== Platform Security Processor Core (PSP) (MP0) ==


* See also the [[AMD Platform Security Processor]] wiki page.
* All the fun things are here
* All the fun things related to PS5 security are here.
* Named SMU PSP as well
* Named AMD SMU PSP (AMD System Management Unit Platform Security Processor) and ASP (AMD Secure Processor) as well.
* Named ASP as well (AMD Secure Processor)


== 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.


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== Sensor Fusion Processor (SFP) (MP2) ==
== Sensor Fusion Processor (SFP) (MP2) ==


* It does not exist on PS5 as it is mainly for mobiles.
* doesn't exist on ps5
* 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 || -
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== 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.


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! IOCTL # !! Name !! Notes
! IOCTL # !! Name !! Notes
|-
|-
| 0x80046101 || NAND_A53IO_OPEN || Exposes NAND groups for reading
| 0x80046101 || ???? || Used for opening NAND and SCF FW formatting
|-
|-
| 0x80046102 || NAND_A53IO_CLOSE || Closes off NAND groups
| 0x80046105 || ???? || Maybe used for M.2 formatting
|-
| 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? || -
| 0x80186111 || BFS_A53IO_READ_DEVICE? || -
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== Backup and Restore ==
== Backup and Restore ==
 
Backup and Restore (BAR) is used by shellcore via /dev/bar. Below are known commands.
Backup and Restore (BAR) is used by [[SceShellCore]] via /dev/bar. Below are known commands.


{| class="wikitable sortable"
{| class="wikitable sortable"
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== Disc UID ==
== Disc UID ==
 
Disc UID (/dev/duid) has its own library (libSceDiscId). It's unknown what this is used for at present. It has 2 known ioctls.
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"
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== Dynamic Library Debug ==
== 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.
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.


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== FTTRM ==
== FTTRM ==
 
FTTRM's full purpose is unknown, but it's likely DRM-related. It's used by the Bluray app (BdmvPlayerCore, BdvdPlayerCore, UHDBdPlayerCore) via /dev/fttrm. There are only 2 known commands.
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"
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== ICC Floyd (TPM) ==
== 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.
The /dev/icc_floyd is for interacting with the floyd Trusted Platform Module (TPM) over ICC. It only has one known command.


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== Manufacturer Authorization ==
== Manufacturer Authorization ==
 
The /dev/manuauth device seems to be for manufacturer authorization or authentication. It's used in various updaters. Below are known commands.
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"
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== Namespace Filesystem Control ==
== Namespace Filesystem Control ==
 
The Namespace Filesystem (NSFS) is used by Virtual Shell (Vsh) and shellcore. It's critical to processes running on the system. Below are known commands.
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.


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== PFS Control ==
== PFS Control ==
 
Playstation Filesystem (PFS) Control and /dev/pfsctldev is used internally for VSH. Below are known commands.
Playstation FileSystem (PFS) Control and /dev/pfsctldev is used internally for VSH. Below are known commands.


{| class="wikitable sortable"
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== PFS Manager ==
== PFS Manager ==
 
PFS Manager (/dev/pfsmgr) is used by shellcore. It handles trophy related tasks, savedata, and keystone verification. Below are known commands.
PFS Manager (/dev/pfsmgr) is used by [[SceShellCore]]. It handles trophy related tasks, savedata, and keystone verification. Below are known commands.


{| class="wikitable sortable"
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== PUP Updater ==
== PUP Updater ==
The /dev/pup_update0 device is used to perform firmware updates.
The /dev/pup_update0 device is used to perform firmware updates.


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== Root Param ==
== Root Param ==
 
Root Param is used by shellcore to verify root param sfos (for PS4) or jsons (for PS5, aka PPR for ProsPeRo). Below are known commands.
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"
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== CAM Transport Layer ==
== CAM Transport Layer ==
CAM (Common Access Method) storage subsystem provides a method for implementing drivers to control various known storage devices.
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.
Attaches any devices it finds to the appropriate drivers.
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|}
|}


== Wireless LAN and Bluetooth ==
== Wireless LAN + Bluetooth ==
 
WLAN and Bluetooth functionality is reachable via /dev/wlanbt. Below are known commands.
WLAN and Bluetooth functionality is reachable via /dev/wlanbt. Below are known commands.


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