libnx/nx/include/switch/services/fs.h

417 lines
17 KiB
C

/**
* @file fs.h
* @brief Filesystem (fsp-srv) service IPC wrapper.
* Normally applications should just use standard stdio not FS-serv directly. However this can be used if obtaining a FsFileSystem, FsFile, or FsStorage, for mounting with fs_dev/romfs_dev, etc.
* @author plutoo
* @author yellows8
* @copyright libnx Authors
*/
#pragma once
#include "../types.h"
#include "../kernel/event.h"
#include "../services/acc.h"
#include "../sf/service.h"
// We use wrapped handles for type safety.
#define FS_MAX_PATH 0x301
/// For use with FsSave.
#define FS_SAVEDATA_CURRENT_TITLEID 0
typedef struct {
u8 c[0x10];
} FsRightsId;
typedef struct {
Service s;
} FsFileSystem;
typedef struct {
Service s;
} FsFile;
typedef struct {
Service s;
} FsDir;
typedef struct {
Service s;
} FsStorage;
typedef struct {
Service s;
} FsSaveDataInfoReader;
typedef struct {
Service s;
} FsEventNotifier;
typedef struct {
Service s;
} FsDeviceOperator;
/// Directory entry.
typedef struct
{
char name[FS_MAX_PATH]; ///< Entry name.
u8 pad[3];
s8 type; ///< See FsDirEntryType.
u8 pad2[3]; ///< ?
u64 fileSize; ///< File size.
} FsDirectoryEntry;
/// Save Struct
typedef struct
{
u64 titleID; ///< titleID of the savedata to access when accessing other titles' savedata via SaveData, otherwise FS_SAVEDATA_CURRENT_TITLEID.
AccountUid userID; ///< \ref AccountUid for the user-specific savedata to access, otherwise 0 for common savedata.
u64 saveID; ///< saveID, 0 for SaveData.
u8 saveDataType; ///< See \ref FsSaveDataType.
u8 rank; ///< Save data 'rank' or 'precedence'. 0 if this save data is considered the primary save data. 1 if it's considered the secondary save data.
u16 index; ///< Save data index.
u32 pad_x24; ///< Padding.
u64 unk_x28; ///< 0 for SystemSaveData/SaveData.
u64 unk_x30; ///< 0 for SystemSaveData/SaveData.
u64 unk_x38; ///< 0 for SystemSaveData/SaveData.
} FsSave;
/// SaveDataExtraData Struct
typedef struct {
FsSave save; ///< Save struct.
u64 ownerId; ///< Title id of the owner of this save data. 0 for SystemSaveData.
u64 timestamp; ///< POSIX timestamp.
u32 flags; ///< Save data flags. See \ref FsSaveDataFlags.
u32 unk_x54; ///< Normally 0. Possibly unused?
s64 dataSize; ///< Usable save data size.
s64 journalSize; ///< Journal size of the save data.
u64 commitId; ///< Id of the latest commit.
u8 unused[0x190]; ///< Uninitialized.
} FsSaveDataExtraData;
/// SaveCreate Struct
typedef struct {
s64 size; ///< Size of the save data.
s64 journalSize; ///< Journal size of the save data.
u64 blockSize; ///< Block size of the save data.
u64 ownerId; ///< Title id of the owner of this save data. 0 for SystemSaveData.
u32 flags; ///< Save data flags. See \ref FsSaveDataFlags.
u8 saveDataSpaceId; ///< See \ref FsSaveDataSpaceId.
u8 unk; ///< 0 for SystemSaveData.
u8 padding[0x1A]; ///< Uninitialized for SystemSaveData.
} FsSaveCreate;
typedef struct
{
u64 saveID_unk;
u8 saveDataSpaceId; ///< See \ref FsSaveDataSpaceId.
u8 saveDataType; ///< See \ref FsSaveDataType.
u8 pad[6]; ///< Padding.
AccountUid userID; ///< FsSave::userID
u64 saveID; ///< See saveID for \ref FsSave.
u64 titleID; ///< titleID for FsSaveDataType_SaveData.
u64 size; ///< Raw saveimage size.
u16 index; ///< Save data index.
u8 rank; ///< Save data 'rank' or 'precedence'. 0 if this save data is considered the primary save data. 1 if it's considered the secondary save data.
u8 unk_x3b[0x25]; ///< Unknown. Usually zeros?
} FsSaveDataInfo;
typedef struct
{
u64 created; ///< POSIX timestamp.
u64 modified; ///< POSIX timestamp.
u64 accessed; ///< POSIX timestamp.
u8 is_valid; ///< 0x1 when the timestamps are set.
u8 padding[7];
} FsTimeStampRaw;
/// Returned by fsFsGetEntryType.
typedef enum {
FsDirEntryType_Dir = 0, ///< Entry is a directory.
FsDirEntryType_File = 1, ///< Entry is a file.
} FsDirEntryType;
/// For use with fsFsOpenFile.
typedef enum
{
FsOpenMode_Read = BIT(0), ///< Open for reading.
FsOpenMode_Write = BIT(1), ///< Open for writing.
FsOpenMode_Append = BIT(2), ///< Append file.
} FsOpenMode;
/// For use with fsFsCreateFile.
typedef enum
{
FsCreateOption_BigFile = BIT(0), ///< Creates a ConcatenationFile (dir with archive bit) instead of file.
} FsCreateOption;
/// For use with fsFsOpenDirectory.
typedef enum
{
FsDirOpenMode_ReadDirs = BIT(0), ///< Enable reading directory entries.
FsDirOpenMode_ReadFiles = BIT(1), ///< Enable reading file entries.
FsDirOpenMode_NoFileSize = BIT(31), ///< Causes result entries to not contain filesize information (always 0).
} FsDirOpenMode;
/// For use with fsFileRead.
typedef enum
{
FsReadOption_None = 0, ///< No option.
} FsReadOption;
/// For use with fsFileWrite.
typedef enum
{
FsWriteOption_None = 0, ///< No option.
FsWriteOption_Flush = BIT(0), ///< Forces a flush after write.
} FsWriteOption;
/// StorageId
typedef enum {
FsStorageId_None = 0, ///< None
FsStorageId_Host = 1, ///< Host
FsStorageId_GameCard = 2, ///< GameCard
FsStorageId_NandSystem = 3, ///< NandSystem
FsStorageId_NandUser = 4, ///< NandUser
FsStorageId_SdCard = 5, ///< SdCard
} FsStorageId;
typedef enum
{
FsContentStorageId_NandSystem = 0,
FsContentStorageId_NandUser = 1,
FsContentStorageId_SdCard = 2,
} FsContentStorageId;
typedef enum
{
FsCustomStorageId_NandUser = 0,
FsCustomStorageId_SdCard = 1,
} FsCustomStorageId;
typedef enum
{
FsSaveDataSpaceId_NandSystem = 0,
FsSaveDataSpaceId_NandUser = 1,
FsSaveDataSpaceId_SdCard = 2,
FsSaveDataSpaceId_TemporaryStorage = 3,
FsSaveDataSpaceId_All = -1, ///< Pseudo value for fsOpenSaveDataInfoReader().
} FsSaveDataSpaceId;
typedef enum
{
FsSaveDataType_SystemSaveData = 0,
FsSaveDataType_SaveData = 1,
FsSaveDataType_BcatDeliveryCacheStorage = 2,
FsSaveDataType_DeviceSaveData = 3,
FsSaveDataType_TemporaryStorage = 4, ///< [3.0.0+]
FsSaveDataType_CacheStorage = 5, ///< [3.0.0+]
} FsSaveDataType;
/// SaveDataFlags
typedef enum {
FsSaveDataFlags_SurviveFactoryReset = BIT(0),
FsSaveDataFlags_SurviveFactoryResetForRefurbishment = BIT(1),
FsSaveDataFlags_SurviveFactoryResetWithoutUserSaveData = BIT(2),
} FsSaveDataFlags;
typedef enum {
FsGameCardAttribute_AutoBoot = BIT(0), ///< Causes the cartridge to automatically start on bootup
FsGameCardAttribute_ForceError = BIT(1), ///< Causes NS to throw an error on attempt to load the cartridge
FsGameCardAttribute_Repair = BIT(2), ///< Indicates that this gamecard is a repair tool.
} FsGameCardAttribute;
typedef enum {
FsGameCardPartiton_Update = 0,
FsGameCardPartiton_Normal = 1,
FsGameCardPartiton_Secure = 2,
} FsGameCardPartiton;
typedef struct {
u32 value;
} FsGameCardHandle;
typedef struct {
u32 aes_ctr_key_type; ///< Contains bitflags describing how data is AES encrypted.
u32 speed_emulation_type; ///< Contains bitflags describing how data is emulated.
u32 reserved[0x38/sizeof(u32)];
} FsRangeInfo;
typedef enum {
FsOperationId_Clear, ///< Fill range with zero for supported file/storage.
FsOperationId_ClearSignature, ///< Clears signature for supported file/storage.
FsOperationId_InvalidateCache, ///< Invalidates cache for supported file/storage.
FsOperationId_QueryRange, ///< Retrieves information on data for supported file/storage.
} FsOperationId;
typedef enum {
FsBisStorageId_Boot0 = 0,
FsBisStorageId_Boot1 = 10,
FsBisStorageId_UserDataRoot = 20,
FsBisStorageId_BootConfigAndPackage2NormalMain = 21,
FsBisStorageId_BootConfigAndPackage2NormalSub = 22,
FsBisStorageId_BootConfigAndPackage2SafeMain = 23,
FsBisStorageId_BootConfigAndPackage2SafeSub = 24,
FsBisStorageId_BootConfigAndPackage2RepairMain = 25,
FsBisStorageId_BootConfigAndPackage2RepairSub = 26,
FsBisStorageId_CalibrationBinary = 27,
FsBisStorageId_CalibrationFile = 28,
FsBisStorageId_SafeMode = 29,
FsBisStorageId_User = 30,
FsBisStorageId_System = 31,
FsBisStorageId_SystemProperEncryption = 32,
FsBisStorageId_SystemProperPartition = 33,
} FsBisStorageId;
typedef enum {
FsPriority_Normal = 0,
FsPriority_Realtime = 1,
FsPriority_Low = 2,
FsPriority_Background = 3,
} FsPriority;
Result fsInitialize(void);
void fsExit(void);
Service* fsGetServiceSession(void);
void fsSetPriority(FsPriority prio);
Result fsOpenBisStorage(FsStorage* out, FsBisStorageId partitionId);
Result fsOpenBisFileSystem(FsFileSystem* out, FsBisStorageId partitionId, const char* string);
Result fsCreateSaveDataFileSystemBySystemSaveDataId(const FsSave* save, const FsSaveCreate* create);
Result fsDeleteSaveDataFileSystemBySaveDataSpaceId(FsSaveDataSpaceId saveDataSpaceId, u64 saveID); /// [2.0.0+]
Result fsIsExFatSupported(bool* out);
Result fsOpenGameCardFileSystem(FsFileSystem* out, const FsGameCardHandle* handle, FsGameCardPartiton partition);
Result fsReadSaveDataFileSystemExtraDataBySaveDataSpaceId(void* buf, size_t len, FsSaveDataSpaceId saveDataSpaceId, u64 saveID);
Result fsReadSaveDataFileSystemExtraData(void* buf, size_t len, u64 saveID);
Result fsWriteSaveDataFileSystemExtraData(const void* buf, size_t len, FsSaveDataSpaceId saveDataSpaceId, u64 saveID);
Result fsExtendSaveDataFileSystem(FsSaveDataSpaceId saveDataSpaceId, u64 saveID, s64 dataSize, s64 journalSize); /// [3.0.0+]
/// Do not call this directly, see fs_dev.h.
Result fsOpenSdCardFileSystem(FsFileSystem* out);
Result fsOpenSaveDataFileSystem(FsFileSystem* out, FsSaveDataSpaceId saveDataSpaceId, const FsSave *save);
Result fsOpenSaveDataFileSystemBySystemSaveDataId(FsFileSystem* out, FsSaveDataSpaceId saveDataSpaceId, const FsSave *save);
Result fsOpenSaveDataInfoReader(FsSaveDataInfoReader* out, FsSaveDataSpaceId saveDataSpaceId);
Result fsOpenContentStorageFileSystem(FsFileSystem* out, FsContentStorageId content_storage_id);
Result fsOpenCustomStorageFileSystem(FsFileSystem* out, FsCustomStorageId custom_storage_id); /// [7.0.0+]
Result fsOpenDataStorageByCurrentProcess(FsStorage* out);
Result fsOpenDataStorageByDataId(FsStorage* out, u64 dataId, FsStorageId storageId);
Result fsOpenDeviceOperator(FsDeviceOperator* out);
Result fsOpenSdCardDetectionEventNotifier(FsEventNotifier* out);
/// Retrieves the rights id corresponding to the content path. Only available on [2.0.0+].
Result fsGetRightsIdByPath(const char* path, FsRightsId* out_rights_id);
/// Retrieves the rights id and key generation corresponding to the content path. Only available on [3.0.0+].
Result fsGetRightsIdAndKeyGenerationByPath(const char* path, u8* out_key_generation, FsRightsId* out_rights_id);
Result fsDisableAutoSaveDataCreation(void);
Result fsSetGlobalAccessLogMode(u32 mode);
Result fsGetGlobalAccessLogMode(u32* out_mode);
// todo: Rest of commands here
// Wrapper(s) for fsCreateSaveDataFileSystemBySystemSaveDataId.
Result fsCreate_SystemSaveDataWithOwner(FsSaveDataSpaceId saveDataSpaceId, u64 saveID, AccountUid userID, u64 ownerId, u64 size, u64 journalSize, u32 flags);
Result fsCreate_SystemSaveData(FsSaveDataSpaceId saveDataSpaceId, u64 saveID, u64 size, u64 journalSize, u32 flags);
/// FsFileSystem can be mounted with fs_dev for use with stdio, see fs_dev.h.
/// Wrapper(s) for fsOpenSaveDataFileSystem.
/// See FsSave for titleID and userID.
Result fsOpen_SaveData(FsFileSystem* out, u64 titleID, AccountUid userID);
/// Wrapper for fsOpenSaveDataFileSystemBySystemSaveDataId.
/// WARNING: You can brick when writing to SystemSaveData, if the data is corrupted etc.
Result fsOpen_SystemSaveData(FsFileSystem* out, u64 saveID);
typedef enum
{
FsFileSystemType_Logo = 2,
FsFileSystemType_ContentControl = 3,
FsFileSystemType_ContentManual = 4,
FsFileSystemType_ContentMeta = 5,
FsFileSystemType_ContentData = 6,
FsFileSystemType_ApplicationPackage = 7,
} FsFileSystemType;
typedef enum
{
FsFileSystemQueryType_SetArchiveBit = 0,
} FsFileSystemQueryType;
/// Mount requested filesystem type from content file
Result fsOpenFileSystem(FsFileSystem* out, FsFileSystemType fsType, const char* contentPath); ///< same as calling fsOpenFileSystemWithId with 0 as titleId
Result fsOpenFileSystemWithId(FsFileSystem* out, u64 titleId, FsFileSystemType fsType, const char* contentPath); ///< works on all firmwares, titleId is ignored on [1.0.0]
Result fsOpenFileSystemWithPatch(FsFileSystem* out, u64 titleId, FsFileSystemType fsType); ///< [2.0.0+], like OpenFileSystemWithId but without content path.
// IFileSystem
Result fsFsCreateFile(FsFileSystem* fs, const char* path, u64 size, u32 option);
Result fsFsDeleteFile(FsFileSystem* fs, const char* path);
Result fsFsCreateDirectory(FsFileSystem* fs, const char* path);
Result fsFsDeleteDirectory(FsFileSystem* fs, const char* path);
Result fsFsDeleteDirectoryRecursively(FsFileSystem* fs, const char* path);
Result fsFsRenameFile(FsFileSystem* fs, const char* cur_path, const char* new_path);
Result fsFsRenameDirectory(FsFileSystem* fs, const char* cur_path, const char* new_path);
Result fsFsGetEntryType(FsFileSystem* fs, const char* path, FsDirEntryType* out);
Result fsFsOpenFile(FsFileSystem* fs, const char* path, u32 mode, FsFile* out);
Result fsFsOpenDirectory(FsFileSystem* fs, const char* path, u32 mode, FsDir* out);
Result fsFsCommit(FsFileSystem* fs);
Result fsFsGetFreeSpace(FsFileSystem* fs, const char* path, u64* out);
Result fsFsGetTotalSpace(FsFileSystem* fs, const char* path, u64* out);
Result fsFsGetFileTimeStampRaw(FsFileSystem* fs, const char* path, FsTimeStampRaw *out); ///< [3.0.0+]
Result fsFsCleanDirectoryRecursively(FsFileSystem* fs, const char* path); ///< [3.0.0+]
Result fsFsQueryEntry(FsFileSystem* fs, void *out, size_t out_size, const void *in, size_t in_size, const char* path, FsFileSystemQueryType query_type); ///< [4.0.0+]
void fsFsClose(FsFileSystem* fs);
/// Uses \ref fsFsQueryEntry to set the archive bit on the specified absolute directory path.
/// This will cause HOS to treat the directory as if it were a file containing the directory's concatenated contents.
Result fsFsSetArchiveBit(FsFileSystem* fs, const char *path);
// IFile
Result fsFileRead(FsFile* f, u64 off, void* buf, u64 read_size, u32 option, u64* bytes_read);
Result fsFileWrite(FsFile* f, u64 off, const void* buf, u64 write_size, u32 option);
Result fsFileFlush(FsFile* f);
Result fsFileSetSize(FsFile* f, u64 sz);
Result fsFileGetSize(FsFile* f, u64* out);
Result fsFileOperateRange(FsFile* f, FsOperationId op_id, u64 off, u64 len, FsRangeInfo* out); ///< [4.0.0+]
void fsFileClose(FsFile* f);
// IDirectory
Result fsDirRead(FsDir* d, u64 inval, u64* total_entries, size_t max_entries, FsDirectoryEntry *buf);
Result fsDirGetEntryCount(FsDir* d, u64* count);
void fsDirClose(FsDir* d);
// IStorage
Result fsStorageRead(FsStorage* s, u64 off, void* buf, u64 read_size);
Result fsStorageWrite(FsStorage* s, u64 off, const void* buf, u64 write_size);
Result fsStorageFlush(FsStorage* s);
Result fsStorageSetSize(FsStorage* s, u64 sz);
Result fsStorageGetSize(FsStorage* s, u64* out);
Result fsStorageOperateRange(FsStorage* s, FsOperationId op_id, u64 off, u64 len, FsRangeInfo* out); ///< [4.0.0+]
void fsStorageClose(FsStorage* s);
// ISaveDataInfoReader
/// Read FsSaveDataInfo data into the buf array.
Result fsSaveDataInfoReaderRead(FsSaveDataInfoReader *s, FsSaveDataInfo* buf, size_t max_entries, u64* total_entries);
void fsSaveDataInfoReaderClose(FsSaveDataInfoReader *s);
// IEventNotifier
Result fsEventNotifierGetEventHandle(FsEventNotifier* e, Event* out, bool autoclear);
void fsEventNotifierClose(FsEventNotifier* e);
// IDeviceOperator
Result fsDeviceOperatorIsSdCardInserted(FsDeviceOperator* d, bool* out);
Result fsDeviceOperatorIsGameCardInserted(FsDeviceOperator* d, bool* out);
Result fsDeviceOperatorGetGameCardHandle(FsDeviceOperator* d, FsGameCardHandle* out);
Result fsDeviceOperatorGetGameCardAttribute(FsDeviceOperator* d, const FsGameCardHandle* handle, u8 *out);
void fsDeviceOperatorClose(FsDeviceOperator* d);