Filesystem services

Revision as of 17:20, 27 June 2017 by Qlutoo (talk | contribs) (symbolzzz)

fsp-ldr

Cmd Name
0 MountCode
1

fsp-srv

Cmd Name
0 MountContent
1 #Initialize
2 MountRomFs
7 #MountContent7
8 #MountContent
11 MountBis
12 #OpenBisPartition
13 InvalidateBisCache
17 OpenHostFileSystemImpl
18 MountSdCard
19 FormatSdCard
21 DeleteSaveData
22 CreateSaveData
23 CreateSystemSaveData
24 RegisterSaveDataAtomicDeletion
25
26 FormatSdCardDryRun
27
30 OpenGameCardPartition
31 MountGameCardPartition
51 MountSaveData
52 MountSystemSaveData
53 Returns an #IFileSystem.
58 ReadSaveDataFileSystemExtraData
59
60 OpenSaveDataInfoReader
61 OpenSaveDataIterator
80 OpenSaveDataThumbnailFile
100 MountImageDirectory
110 #MountContentStorage
200 OpenHost
202 OpenDataStorageByDataId
203 Returns an #IStorage.
400 #OpenDeviceOperator
500 #OpenSdCardDetectionEventNotifier
501 #OpenGameCardDetectionEventNotifier
600 SetCurrentPosixTime
601 QuerySaveDataTotalSize
602 VerifySaveData
603 CorruptSaveDataForDebug
604 CreatePaddingFile
605 DeleteAllPaddingFiles
606
607 RegisterExternalKey
608 UnregisterExternalKey
609
620
800
1000 SetBisRootForHost
1001
1002 SetSaveDataRootPath
1003 DisableAutoSaveDataCreation
1004 SetGlobalAccessLogMode
1005 GetGlobalAccessLogMode
1006 OutputAccessLogToSdCard

Initialize

Word Value
0 0x00000004
1 0x8000000E
2 0x00000001
0-1 Pid
0 Always. 0x18000001
1 Always. 0
2 "SCFI"
3 0x00000001
4 Always 0.

MountContent7

Takes an input u32 (NCA-type) and an u64 title-id. Web-applet loads the u32 from u32_table[inparam]. Only type4 is usable with this?

Returns an #IFileSystem.

Note: web-applet strings refer to both this cmd and the below "MountContent" as "MountContent".

MountContent

Takes a type-0x19 input buffer, an in32, and an input title-id.

The in32 must be 5 if the NCA type is 0 (control).

The input buffer is the output string path from nsam GetContentNcaPath.

Returns an #IFileSystem.

May return errors when attempting to access NCA-paths for an update-title with a gamecard, when the gamecard isn't inserted. May return error 0x7D402 in some cases with update-titles. Non-val2 in32 values with NCA-type1 are unusable, even for normal titles.

OpenBisPartition

Takes a u32 partition ID, returns 0x2EE202 for partitions which do not exist, 0x320002 for partitions which cannot be opened and a valid #IStorage handle otherwise.

Returns an #IStorage that gives raw access to nand sectors containing the BCT.

MountContentStorage

Takes a #ContentStorageId. Invalid values return 0x2EE202.

Returns an #IFileSystem with NCA files. The read data from these files is identical to the data read by Content_Manager_services#ReadEntryRaw.

OpenDeviceOperator

This command returns a session to a port implementing the #IDeviceOperator interface.

OpenSdCardDetectionEventNotifier

This command returns a session to a port implementing the #IEventNotifier interface.

OpenGameCardDetectionEventNotifier

This command returns a session to a port implementing the #IEventNotifier interface.

IStorage

This is the interface for a raw device, usually a block device.

Cmd Name Arguments
0 Read Takes a type-0x46 buffer, an offset and length
1 Write? ?
2 ?
3 ?
4 GetStorageSize None

IFileSystem

There are two main implementations of this interface:

  • RomFS: Filesystem implementation statically linked in the binary. Uses an #IStorage interface as underlying raw device.
  • IPC proxy: Used for all non-RomFS filesystems. In this case, actual filesystem implementation is in the FS process.
Cmd Name
0 CreateFile
1 DeleteFile
2 CreateDirectory
3 DeleteDirectory?
4 DeleteDirectoryRecursively
5 RenameFile
6 MoveDirectory?
7 GetEntryType
8 OpenFile
9 OpenDirectory
10 CommitSaveData
11
12

IDirectory

Cmd Name
0 ReadEntries
1 GetNumberOfEntries

IFile

Cmd Name
0 Read
1 Write
2 Flush
3
4

ISaveDataInfoReader

IDeviceOperator

Cmd Name
0 IsSdCardInserted
1 GetSdCardSpeedMode
2 GetSdCardCid
3
4
5
6
100 GetMmcCid
101 GetMmcSpeedMode
110 EraseMmc
111 GetMmcPartitionSize
112
113
114
200 IsGameCardInserted
201 EraseGameCard
202 GetGameCardHandle
203 #GetGameCardUpdatePartitionInfo
204 FinalizeGameCardDriver
205 GetGameCardAttribute
206 GetGameCardDeviceCertificate
207 GetGameCardAsicInfo
208 GetGameCardIdSet
209 WriteToGameCard
210 SetVerifyWriteEnalbleFlag
211 GetGameCardImageHash
212
213
214
215
216
300 SetSpeedEmulationMode
301 GetSpeedEmulationMode

GetGameCardUpdatePartitionInfo

Returns a titleID and the title-version for it.

  • Output u32 with ARMS-gamecard: title-version v131162. This is the title-version for 2.1.0, which is the sysupdate included with this gamecard. Launch-day gamecards return title-version v450.
  • Output u64 with ARMS-gamecard: titleID 0100000000000816.

IEventNotifier

Cmd Name
0 BindEvent

StorageId

Value Name
0 None
1 Host
2 GameCard
3 NandSystem
4 NandUser
5 SdCard

ContentStorageId

Value Name
0 NandSystem
1 NandUser
2 SdCard