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Implement various SaveDataExtraData commands (#315)

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* Implement fsReadSaveDataFileSystemExtraData

* Implement fsReadSaveDataFileSystemExtraDataBySaveDataSpaceId and fsWriteSaveDataFileSystemExtraData
This commit is contained in:
Adubbz 2019-07-25 01:28:05 +10:00 committed by yellows8
parent a5e4609be3
commit b59682652d
2 changed files with 139 additions and 1 deletions
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25
nx/include/switch/services/fs.h
View File

@ -77,13 +77,26 @@ typedef struct
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?
u64 dataSize; ///< Usable save data size.
u64 journalSize; ///< Journal size of the save data.
u64 commitId; ///< Id of the latest commit.
u8 unused[0x190]; ///< Uninitialized.
} FsSaveDataExtraData;
/// SaveCreate Struct
typedef struct {
u64 size; ///< Size of the save data.
u64 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.
u32 flags; ///< Save data flags. See \ref FsSaveDataFlags.
u8 saveDataSpaceId; ///< See \ref FsSaveDataSpaceId.
u8 unk; ///< 0 for SystemSaveData.
u8 padding[0x1A]; ///< Uninitialized for SystemSaveData.
@ -186,6 +199,13 @@ typedef enum
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 = (1 << 0), ///< Causes the cartridge to automatically start on bootup
FsGameCardAttribute_ForceError = (1 << 1), ///< Causes NS to throw an error on attempt to load the cartridge
@ -249,6 +269,9 @@ Result fsDeleteSaveDataFileSystemBySaveDataSpaceId(FsSaveDataSpaceId saveDataSpa
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);
/// Do not call this directly, see fs_dev.h.
Result fsMountSdcard(FsFileSystem* out);

115
nx/source/services/fs.c
View File

@ -776,6 +776,121 @@ Result fsOpenGameCardFileSystem(FsFileSystem* out, const FsGameCardHandle* handl
return rc;
}
Result fsReadSaveDataFileSystemExtraDataBySaveDataSpaceId(void* buf, size_t len, FsSaveDataSpaceId saveDataSpaceId, u64 saveID) {
if (hosversionBefore(3,0,0))
return MAKERESULT(Module_Libnx, LibnxError_IncompatSysVer);
IpcCommand c;
ipcInitialize(&c);
ipcAddRecvBuffer(&c, buf, len, BufferType_Normal);
struct {
u64 magic;
u64 cmd_id;
u64 saveDataSpaceId;
u64 saveID;
} *raw;
raw = serviceIpcPrepareHeader(&g_fsSrv, &c, sizeof(*raw));
raw->magic = SFCI_MAGIC;
raw->cmd_id = 57;
raw->saveDataSpaceId = saveDataSpaceId;
raw->saveID = saveID;
Result rc = serviceIpcDispatch(&g_fsSrv);
if (R_SUCCEEDED(rc)) {
IpcParsedCommand r;
struct {
u64 magic;
u64 result;
} *resp;
serviceIpcParse(&g_fsSrv, &r, sizeof(*resp));
resp = r.Raw;
rc = resp->result;
}
return rc;
}
Result fsReadSaveDataFileSystemExtraData(void* buf, size_t len, u64 saveID) {
IpcCommand c;
ipcInitialize(&c);
ipcAddRecvBuffer(&c, buf, len, BufferType_Normal);
struct {
u64 magic;
u64 cmd_id;
u64 saveID;
} *raw;
raw = serviceIpcPrepareHeader(&g_fsSrv, &c, sizeof(*raw));
raw->magic = SFCI_MAGIC;
raw->cmd_id = 58;
raw->saveID = saveID;
Result rc = serviceIpcDispatch(&g_fsSrv);
if (R_SUCCEEDED(rc)) {
IpcParsedCommand r;
struct {
u64 magic;
u64 result;
} *resp;
serviceIpcParse(&g_fsSrv, &r, sizeof(*resp));
resp = r.Raw;
rc = resp->result;
}
return rc;
}
Result fsWriteSaveDataFileSystemExtraData(const void* buf, size_t len, FsSaveDataSpaceId saveDataSpaceId, u64 saveID) {
if (hosversionBefore(2,0,0))
return MAKERESULT(Module_Libnx, LibnxError_IncompatSysVer);
IpcCommand c;
ipcInitialize(&c);
ipcAddSendBuffer(&c, buf, len, BufferType_Normal);
struct {
u64 magic;
u64 cmd_id;
u64 saveDataSpaceId;
u64 saveID;
} *raw;
raw = serviceIpcPrepareHeader(&g_fsSrv, &c, sizeof(*raw));
raw->magic = SFCI_MAGIC;
raw->cmd_id = 59;
raw->saveDataSpaceId = saveDataSpaceId;
raw->saveID = saveID;
Result rc = serviceIpcDispatch(&g_fsSrv);
if (R_SUCCEEDED(rc)) {
IpcParsedCommand r;
struct {
u64 magic;
u64 result;
} *resp;
serviceIpcParse(&g_fsSrv, &r, sizeof(*resp));
resp = r.Raw;
rc = resp->result;
}
return rc;
}
// Wrapper(s) for fsCreateSaveDataFileSystemBySystemSaveDataId.
Result fsCreate_SystemSaveDataWithOwner(FsSaveDataSpaceId saveDataSpaceId, u64 saveID, u128 userID, u64 ownerId, u64 size, u64 journalSize, u32 flags) {
FsSave save = {