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Implement fsCreateSaveDataFileSystemBySystemSaveDataId (and wrappers) + fsDisableAutoSaveDataCreation

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This commit is contained in:
Adubbz 2019-07-04 13:05:22 +10:00
parent 9a607a369e
commit 60574f28c8
2 changed files with 110 additions and 0 deletions
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21
nx/include/switch/services/fs.h
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@ -77,6 +77,19 @@ typedef struct
u64 unk_x38; ///< 0 for SystemSaveData/SaveData.
} FsSave;
/// SaveCreate Struct
typedef struct
{
u64 journalSize;
u64 flags;
u64 blockSize;
u64 size;
u32 unk_x20;
u8 SaveDataSpaceId;
u8 unk_x25;
u8 uninitialized[0x1A];
} FsSaveCreate;
typedef struct
{
u64 saveID_unk;
@ -226,6 +239,8 @@ Service* fsGetServiceSession(void);
Result fsOpenBisStorage(FsStorage* out, FsBisStorageId PartitionId);
Result fsOpenBisFileSystem(FsFileSystem* out, FsBisStorageId PartitionId, const char* string);
Result fsCreateSaveDataFileSystemBySystemSaveDataId(FsSave* save, FsSaveCreate* create);
Result fsIsExFatSupported(bool* out);
/// Do not call this directly, see fs_dev.h.
@ -245,8 +260,14 @@ 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);
// todo: Rest of commands here
// Wrapper(s) for fsCreateSaveDataFileSystemBySystemSaveDataId.
Result fsCreate_SystemSaveDataWithOwner(FsSaveDataSpaceId space_id, u64 save_data_id, u64 user_id, u64 owner_id, u64 size, u64 journal_size, u32 flags);
Result fsCreate_SystemSaveData(FsSaveDataSpaceId space_id, u64 save_data_id, u64 size, u64 journal_size, u32 flags);
/// FsFileSystem can be mounted with fs_dev for use with stdio, see fs_dev.h.
/// Wrapper(s) for fsMountSaveData.

89
nx/source/services/fs.c
View File

@ -150,6 +150,42 @@ Result fsOpenBisFileSystem(FsFileSystem* out, FsBisStorageId PartitionId, const
return rc;
}
Result fsCreateSaveDataFileSystemBySystemSaveDataId(FsSave* save, FsSaveCreate* create) {
IpcCommand c;
ipcInitialize(&c);
struct {
u64 magic;
u64 cmd_id;
FsSave save;
FsSaveCreate create;
} PACKED *raw;
raw = serviceIpcPrepareHeader(&g_fsSrv, &c, sizeof(*raw));
raw->magic = SFCI_MAGIC;
raw->cmd_id = 23;
memcpy(&raw->save, save, sizeof(FsSave));
memcpy(&raw->create, create, sizeof(FsSaveCreate));
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 fsMountSdcard(FsFileSystem* out) {
IpcCommand c;
ipcInitialize(&c);
@ -590,6 +626,37 @@ Result fsGetRightsIdAndKeyGenerationByPath(const char* path, u8* out_key_generat
return rc;
}
Result fsDisableAutoSaveDataCreation(void) {
IpcCommand c;
ipcInitialize(&c);
struct {
u64 magic;
u64 cmd_id;
} *raw;
raw = serviceIpcPrepareHeader(&g_fsSrv, &c, sizeof(*raw));
raw->magic = SFCI_MAGIC;
raw->cmd_id = 1003;
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 fsIsExFatSupported(bool* out)
{
if (hosversionBefore(2,0,0)) {
@ -633,6 +700,28 @@ Result fsIsExFatSupported(bool* out)
return rc;
}
// Wrapper(s) for fsCreateSaveDataFileSystemBySystemSaveDataId.
Result fsCreate_SystemSaveDataWithOwner(FsSaveDataSpaceId space_id, u64 save_data_id, u64 user_id, u64 owner_id, u64 size, u64 journal_size, u32 flags) {
FsSave save;
FsSaveCreate create;
memset(&save, 0, sizeof(save));
save.userID = (u128)user_id | ((u128)owner_id << 64);
save.saveID = save_data_id;
memset(&create, 0, sizeof(create));
create.SaveDataSpaceId = space_id;
create.blockSize = 0x4000;
create.journalSize = journal_size;
create.flags = flags;
create.size = size;
return fsCreateSaveDataFileSystemBySystemSaveDataId(&save, &create);
}
Result fsCreate_SystemSaveData(FsSaveDataSpaceId space_id, u64 save_data_id, u64 size, u64 journal_size, u32 flags) {
return fsCreate_SystemSaveDataWithOwner(space_id, save_data_id, 0, 0, size, journal_size, flags);
}
// Wrapper(s) for fsMountSaveData.
Result fsMount_SaveData(FsFileSystem* out, u64 titleID, u128 userID) {
FsSave save;