SceIofilemgr

SceIofilemgr is the primary interface for file IO. Read File Management for more information on file IO.

Module

This module exists only in non-secure world. The SELF can be found in os0:kd/iofilemgr.skprx.

Version	World	Privilege
0.990-3.60	Non-secure	Kernel

Libraries

Known NIDs

Version	Name	World	Visibility	NID
1.69-3.60	SceIofilemgrForDriver	Non-secure	Kernel	0x40FD29C7
1.69-3.60	SceIofilemgr	Non-secure	User	0xF2FF276E

Debug callback type

Type	When
0x0	Scheduled sceIoOpen start
0x1	Scheduled sceIoOpen end
0x2	sceVopOpen start
0x3	sceVopOpen end
0x4	Scheduled sceIoClose start
0x5	Scheduled sceIoClose end
0x6	sceVopClose start
0x7	sceVopClose end
0x8	Scheduled sceIoRead start
0x9	Scheduled sceIoRead end
0xA	sceVopRead start
0xB	sceVopRead end
0xC	Scheduled sceIoWrite start
0xD	Scheduled sceIoWrite end
0xE	sceVopWrite start
0xF	sceVopWrite end
0x10	Scheduled sceIoPread start
0x11	Scheduled sceIoPread end
0x12	sceVopPread start
0x13	sceVopPread end
0x14	Scheduled sceIoPwrite start
0x15	Scheduled sceIoPwrite end
0x16	sceVopPwrite start
0x17	sceVopPwrite end
0x18	Scheduled sceIoLseek start
0x19	Scheduled sceIoLseek end
0x1A	sceVopLseek start
0x1B	sceVopLseek end
0x1C	Scheduled sceIoMkdir start
0x1D	Scheduled sceIoMkdir end
0x1E	sceVopMkdir start
0x1F	sceVopMkdir end
0x20	Scheduled sceIoRmdir start
0x21	Scheduled sceIoRmdir end
0x22	sceVopRmdir start
0x23	sceVopRmdir end
0x24	Scheduled sceIoGetstat start
0x25	Scheduled sceIoGetstat end
0x26	sceVopGetstat start
0x27	sceVopGetstat end
0x28	Scheduled sceIoRemove start
0x29	Scheduled sceIoRemove end
0x2A	sceVopRemove start
0x2B	sceVopRemove end
0x2C	Scheduled sceIoRename start
0x2D	Scheduled sceIoRename end
0x2E	sceVopRename start
0x2F	sceVopRename end
0x30	-
0x31	-
0x32	Scheduled sceIoDopen start
0x33	Scheduled sceIoDopen end
0x34	sceVopDopen start
0x35	sceVopDopen end
0x36	Scheduled sceIoDread start
0x37	Scheduled sceIoDread end
0x38	sceVopDread start
0x39	sceVopDread end
0x3A	Scheduled sceIoDclose start
0x3B	Scheduled sceIoDclose end
0x3C	sceVopDclose start
0x3D	sceVopDclose end
0x3E	Scheduled sceIoChstat start
0x3F	Scheduled sceIoChstat end
0x40	sceVopChstat start
0x41	sceVopChstat end
0x42	Scheduled sceIoIoctl start
0x43	Scheduled sceIoIoctl end
0x44	sceVopIoctl start
0x45	sceVopIoctl end
0x46	Scheduled sceIoSync start
0x47	Scheduled sceIoSync end
0x48	sceVopSync start
0x49	sceVopSync end
0x4A	Scheduled sceIoFgetstat start
0x4B	Scheduled sceIoFgetstat end
0x4C	sceVopFgetstat start/end
0x4D	-
0x4E	Scheduled sceIoFchstat start
0x4F	Scheduled sceIoFchstat end
0x50	sceVopFchstat start
0x51	sceVopFchstat end
0x52	sceVopLookup start
0x53	sceVopLookup end
0x54	sceVopCreate start
0x55	sceVopCreate end
0x56	sceVopInactive start
0x57	sceVopInactive end
0x58	sceVopWhiteout start
0x59	-
0x5A	sceVopWhiteout end
0x5B	sceVopCleanup start
0x5C	sceVopCleanup end
0x5D	sceVfsOpMount start
0x5E	sceVfsOpMount end
0x5F	sceVfsOpUnmount start
0x60	sceVfsOpUnmount end
0x61	sceVfsOpDevctl start
0x62	sceVfsOpDevctl end
0x63	sceVfsOpSync start
0x64	sceVfsOpSync end
0x65	sceVfsOpDecodePathElem start
0x66	sceVfsOpDecodePathElem end

Mount Points

This table is stored in data segment of SceIofilemgr as array of vfs_mount_point_info elements.

When #sceVfsMountForDriver is executed, it finds vfs_add_data element by filesystem string and then selects appropriate mount scenario by devMinor and devMajor.

• <rnd> means random numeric string of length 13

See SceSdstor for "sdstor0:" Block Device.

Unix Mount	Dev Major	Dev Minor	fsName	assignName	blockdevName	VSH Mount Id	Comment
/PD<rnd>	0x3	0x1001	PFS_GDSD_INF	PD<rnd>0	-	0x0	-
/sd/exfat	0x2030001	0x30002	exfat	sd0:	sdstor0:ext-lp-act-entire	0x100	-
/os/exfat	0x1000001	0x1002	exfat	os0:	sdstor0:int-lp-act-os	0x200	Formatted as FAT16.
/vs/exfat	0x1000001	0x1002	exfat	vs0:	sdstor0:int-lp-ign-vsh	0x300	Formatted as FAT16.
/vd/exfat	0x1000001	0x10002	exfat	vd0:	sdstor0:int-lp-ign-vshdata	0x400	Formatted as FAT16.
/tm/exfat	0x1000001	0x10002	exfat	tm0:	sdstor0:int-lp-ign-vtrm	0x500	Formatted as FAT16.
/ur/exfat	0x1000001	0x50002	exfat	ur0:	sdstor0:int-lp-ign-user	0x600	Formatted as exFAT.
/ud/exfat	0x1000001	0x10002	exfat	ud0:	sdstor0:int-lp-ign-updater	0x700	Formatted as FAT16.
/ux/exfat	0x2020001	0x30002	exfat	ux0:	External: sdstor0:xmc-lp-ign-userext Internal: sdstor0:int-lp-ign-userext	0x800	Formatted as exFAT.
/gro/exfat	0x2010001	0x21002	exfat	gro0:	sdstor0:gcd-lp-ign-gamero	0x900	Formatted as exFAT.
/grw/exfat	0x2010001	0x20002	exfat	grw0:	sdstor0:gcd-lp-ign-gamerw	0xA00	Formatted as exFAT.
/sa/exfat	0x1000001	0x1002	exfat	sa0:	sdstor0:int-lp-ign-sysdata	0xB00	Formatted as FAT16.
/pd/exfat	0x1000001	0x1002	exfat	pd0:	sdstor0:int-lp-ign-pidata	0xC00	Formatted as exFAT.
/imc/exfat	0x2020001	0x30002	exfat	imc0:	sdstor0:int-lp-ign-userext	0xD00	Formatted as exFAT.
/xmc/exfat	0x2020001	0x30002	exfat	xmc0:	sdstor0:xmc-lp-ign-userext	0xE00	Formatted as exFAT.
/uma/exfat	0x2030001	0x2	exfat	uma0:	sdstor0:uma-lp-act-entire	0xF00	-
/tty	0x4000020	0x6003	dummy_ttyp_dev_fs	tty	dummy_ttyp_dev_fs	0x0	-
/dev	0x10	0x3	sdstor_dev_fs	sdstor0:	sd	0x1	-
/md	0x10	0x2003	md_dev_fs	md0:	md	0x2	-
/lma/exfat	0x1	0x5	exfat	lma0:	/	0x10000	-
/lmb/exfat	0x1	0x5	exfat	lmb0:	/	0x20000	-
/mfa/exfat	0x1	0x5	exfat	mfa0:	/	0x50000	-
/mfb/exfat	0x1	0x5	exfat	mfb0:	/	0x60000	-
/host	0x3000004	0x8006	-	host0:	deci4p_drfp_dev_fs	-	-

Dev Minor

Mask	Value	Comment
0xFF	-	type
0xFF00	-	flags
0xFF00	0x1000	Read Only
0xFF0000	0x10000	Invalidate fd on susppend/resume within process/system
0xFF0000	0x20000	External media

VFS Implementation

Information can be found on separate page VFS Implementation

Note

Max vfs node number is 0x1000.

Types

typedef struct SceIoMount { // size is 0x34-bytes
	void *mnt;
	int mntId;
	char assignName[0x20];
	SceUInt32 openedEntryNum;
	SceBool unk_0x2C;
	int unk_0x30;
} SceIoMount;

typedef struct SceIoMountInfo { // size is 0x54C-bytes
	void *mnt;
	int mntId;
	char assignName[0x20];
	SceUInt32 openedEntryNum;
	int unk_0x2C;
	int unk_0x30;
	int unk_0x34;
	int unk_0x38;
	int unk_0x3C;
	int unk_0x40;
	int unk_0x44;
	int unk_0x48;
	int unk_0x4C;
	int unk_0x50;
	int unk_0x54;
	int unk_0x58;
	int unk_0x5C;
	int unk_0x60;
	int unk_0x64;
	int unk_0x68;
	int unk_0x6C;
	int unk_0x70;
	int unk_0x74;
	int unk_0x78;
	int unk_0x7C;
	int unk_0x80;
	int unk_0x84;
	char unk_0x88[0x400];
	int unk_0x488;
	char unk_0x48C[0x40];
	char blockdevName[0x40];
	char unk_0x50C[0x40];
} SceIoMountInfo;

typedef struct vfs_node_info { // size is 0x38
   char name[0x20];
   vfs_node* node; // can be zero
   uint32_t unk_24; // probably size of vfs_node
   uint32_t unk_28; // probably flags
   vfs_node_info* node_info_2C; // can be zero
   vfs_node_info* node_info_30; // can be zero
   vfs_node_info* node_info_34; // can be zero
} vfs_node_info;

// It looks like this structure is used to get some response into "error" field
// when executing sceKernelSignalCondTo calls.
// This structure is used by SceIofileDaemon when it monitors mount/unmount async requests
// in SceIofilemgrMount thread using SceIofilemgrMount conditional variable.
// Upon completion it issues the signal and result of operation is stored in error field.
// It looks like operations 1/2 are used for normal filesystems.
// Operations 3/4 are used for PFS_GDSD_INF filesystem.
typedef struct cond_ctx {
   uint32_t op_index; // operation index. 1,3 - mount. 2,4 - unmount
   uint32_t unk_4;
   uint32_t unk_8;
   uint32_t unk_C;
   uint32_t unk_10;
   uint32_t unk_14;
   uint32_t unk_18;
   uint32_t unk_1C;
   int error; // either error code or 0
   cond_ctx* next; // 0 means end of list
} cond_ctx;

typedef struct ctx_19D4 {
   void* unk_0; 
   uint32_t unk_4;
   vfs_node* offset; // Pool of vfs_nodes with 0x1000 elements.
                     // It is used in sceVfsGetNewVnodeForDriver, mount/unmount and node find routines.
   uint32_t size;

   uint32_t count;
   uint32_t unk_14;
   uint32_t unk_18;
   uint32_t unk_1C;
} ctx_19D4;

typedef struct ctx_11C { //size is 0x220
   void* unk_0; 
   uint32_t unk_4;
   void* offset; // pointer to array of byte size 0x10000 with 0x40 elements of size 0x400
   uint32_t size;

   uint32_t count;

   uint8_t data[0x20C];
} ctx_11C;

typedef struct io_scheduler_dispatcher { //size is 0xB8
   char unk_0[0x50];

   io_scheduler* unk_50; // Internal storage
   io_scheduler* unk_54; // Gamecard
   io_scheduler* unk_58; // Removable media (memory card)
   io_scheduler* unk_5C; // Host File System (host0:)
   io_scheduler* unk_60; // Default
   
   uint32_t unk_64; // pointer to unknown module data section
   uint32_t unk_68; // SceIoSchedulerDispatcher fast mutex
   uint32_t unk_6C;
   
   char unk_70[0x30];
   
   uint32_t unk_A0;
   uint32_t unk_A4;
   
   SceUID unk_A8; // SceIoSchedulerDispatcher event flag uid
   uint32_t unk_AC; // counter
   uint32_t unk_B0; // flag
   uint32_t unk_B4; // 0
   
} io_scheduler_dispatcher;

typedef struct io_scheduler_item { // size is 0x14 - allocated from SceIoScheduler heap
   io_scheduler* unk_0; // parent
   uint32_t unk_4; // 0
   uint32_t unk_8; // 0
   uint32_t unk_C; // 0
   uint32_t unk_10; // pointer to unknown module data section
} io_scheduler_item;

enum io_device_code {
  Internal = 0x100,
  Game_Card = 0x201,
  Removable = 0x202,
  Host_File_System = 0x300,
  Default = 0x0
};

typedef struct io_scheduler { //size is 0xA8 - allocated from SceIoScheduler heap
   io_device_code unk_0; 
   io_scheduler_item* unk_4; // item 0
   io_scheduler_item* unk_8; // item 1
   io_scheduler_item* unk_C; // item 2
   
   io_scheduler_item* unk_10; // item 3
   io_scheduler_item* unk_14; // item 4
   io_scheduler_item* unk_18; // item 5
   io_scheduler_item* unk_1C; // item 6
   
   io_scheduler_item* unk_20; // item 7
   io_scheduler_item* unk_24; // item 8
   io_scheduler_item* unk_28; // item 9
   io_scheduler_item* unk_2C; // item 10
   
   io_scheduler_item* unk_30; // item 11
   io_scheduler_item* unk_34; // item 12
   io_scheduler_item* unk_38; // item 13
   io_scheduler_item* unk_3C; // item 14
   io_scheduler_item* unk_40; // item 15
   
   uint32_t unk_44; // flag1 0x40000 or 0x00
   uint32_t unk_48; // flag2 0x40000 or 0x00
   io_scheduler_dispatcher* unk_4C; // parent
   
   SceUID unk_50; // SceIoScheduler mutex
   SceUID unk_54; // SceIoScheduler cond
   
   char unk_58; // 0
   char unk_59; // 0
   char unk_5A; // 0
   char unk_5B; // 0
   
   uint32_t unk_5C; // 0
   
   // this is probably a separate structure
   SceUID unk_60; // SceIoSchedWorker thread id
   SceUID unk_64; // SceIoScheduler mutex from self
   SceUID unk_68; // SceIoScheduler cond from self
   io_scheduler* unk_6C; // pointer to self
   
   uint32_t unk_70; // 0
   uint16_t unk_74; // 0
   uint16_t unk_76; // 0
   uint32_t unk_78; // 0
   uint32_t unk_7C; // 0
   
   uint32_t unk_80; //
   uint32_t unk_84; // some flag
   
   uint32_t unk_88; //0x80
   uint32_t unk_8C; //0x80
   
   uint32_t unk_90; //0x80
   uint32_t unk_94; //0x80
   uint32_t unk_98; //0x80
   uint32_t unk_9C; //0x80
   
   uint32_t unk_A0; // 0
   uint32_t unk_A4; // 0

} io_scheduler;

// Context used for dispatching i/o operations
typedef struct io_context { // size is 0xB8 on FW 3.60
   uint32_t unk_0;
   uint32_t unk_4;
   uint32_t unk_8;
   uint32_t unk_C;
   
   uint16_t unk_10;
   uint16_t unk_12;
   uint16_t unk_14;
   uint16_t unk_16;
   void *data_0; // 0x18
   uint32_t unk_1C; // 0x1C
   
   SceSize size_0; // 0x20
   uint32_t io_op_index; // 0x24
   uint32_t ioctlOutdata0; // 0x28
   io_device_code device_code; // 0x2C, ioctlOutdata1
   
   char async; // 0x30
   char unk_31;
   char unk_32;
   char unk_33;
   SceUID pid; // 0x34, sceKernelGetProcessIdForDriver
   SceUID threadId; // 0x38, sceKernelGetThreadIdForDriver
   SceUID tlsPid; // 0x3C, sceKernelGetProcessIdFromTLSForDriver
   
   uint32_t unk_40; // 0x40, SceThreadmgrForDriver_332E127C
   uint32_t cpuMask; // 0x44, sceKernelGetThreadCpuAffinityMaskForDriver
   uint32_t threadPriority; // 0x48, sceKernelGetThreadCurrentPriorityForDriver
   void* list0; // 0x4C, pointer to some linked list with elements of size 0x14
   
   uint32_t listSize; // 0x50, number of items in linst
   void* list1; // 0x54, pointer to some linked list with elements of size 0x14 
   uint32_t sizeOfList; // 0x58, size of list in bytes
   uint16_t state; // 0x5C, bit 16 of state where state = (MRC p15, 0, state, c13, c0, 3)
   uint16_t unk_5E; // 0x5E
   
   uint32_t unk_60; // 0x60
   SceUID fd; // 0x64
   void *data_1; // 0x68
   uint32_t unk_6C;
   
   SceSize size_1; // 0x70
   uint32_t unk_74; // 0x74
   uint32_t unk_78; // 0x78, -1
   uint32_t unk_7C; // 0x7C, -1
   
   uint32_t op_result; // 0x80, result of i/o operation
   uint32_t unk_84;
   void* unk_88;
   uint32_t unk_8C;
   
   uint32_t unk_90;
   uint32_t unk_94;
   uint32_t unk_98;
   uint32_t unk_9C;
   
   uint32_t unk_A0;
   uint32_t unk_A4;
   uint32_t unk_A8;
   uint32_t unk_AC;
   
   SceUInt64 sytemTimeWide; // 0xB0, sceKernelGetSystemTimeWideForDriver
} io_context;

typedef struct _SceVfsFileObject_0995 { //SceVfsFileClass object - size is 0x40 on 0.995
  /* SceKernelObject header not included in size nor structure */
  SceInt32 unk_0x0;
  SceInt32 unk_0x4;
  SceInt64 unk_0x8;
  SceInt32 unk_0x10; //Set to 1 during sceVfsAllocateFile
  ScePID creator_pid; //Result of sceKernelGetProcessIdFromTLS() during sceVfsAllocateFile
  void* unk_0x18; //Pointer provided as a1 to sceVfsAllocateFile
  SceUIDVfsFileObject* next; //Pointer to next file in linked list - list head is in a1
  SceInt32 unk_0x20;
  SceInt16 unk_0x24;
  char unk_0x26; //unused?
  SceInt8 unk_0x27;
  SceInt32 unk_0x28; //comes from a1->0x4C->0xC8
  SceInt32 unk_0x2C; //((a1->0x4C->0x50 & 0x20000) << 1) | (a1->0x4C->0x50 & 0x10000)
  SceInt32 unk_0x30;
  char unk_0x34; //unused?
  SceInt8 unk_0x35;
  SceInt8 unk_0x36;
  SceInt8 unk_0x37;
  SceInt8 unk_0x38;
  SceInt8 unk_0x39;
  SceInt8 unk_0x3A;
  SceInt8 unk_0x3B;
  SceInt8 unk_0x3C;
  SceInt8 unk_0x3D;
  SceInt8 unk_0x3E;
  SceInt8 unk_0x3F;
} SceUIDVfsFileObject_0995;

typedef struct _SceUIDVfsFileObject { //SceUIDVfsFileClass object - size is 0x48 on 3.60
  /* SceKernelObject header not included in size nor structure */
  SceInt32 unk_0x0;
  SceInt32 unk_0x4;
  SceInt64 unk_0x8;
  SceInt32 unk_0x10; //Set to 1 during sceVfsAllocateFile
  ScePID creator_pid; //Result of sceKernelGetProcessIdFromTLS() during sceVfsAllocateFile
  void* unk_0x18; //Pointer provided as a1 to sceVfsAllocateFile
  SceUIDVfsFileObject* next; //Pointer to next file in linked list - list head is in a1
  SceInt32 unk_0x20; //Zero'ed in constructor
  SceInt16 unk_0x24;
  char unk_0x26; //unused?
  SceInt8 unk_0x27;
  SceInt32 unk_0x28; //comes from a1->0x4C->0xC8
  SceInt32 unk_0x2C; //((a1->0x4C->0x50 & 0x20000) << 1) | (a1->0x4C->0x50 & 0x10000)
  SceInt32 unk_0x30;
  char unk_0x34; //unused?
  SceInt8 unk_0x35;
  SceInt8 unk_0x36;
  SceInt8 unk_0x37;
  SceInt8 unk_0x38; //Zero'ed during constructor
  SceInt8 unk_0x39; //^ doing *(SceInt32*)(&file->unk_0x38) = 0;
  SceInt8 unk_0x3A; //^
  SceInt8 unk_0x3B; //^
  SceInt8 unk_0x3C;
  SceInt8 unk_0x3D;
  SceInt8 unk_0x3E;
  SceInt8 unk_0x3F;
  char unk_0x40[8]; //unknown type - haven't seen this used yet
} SceUIDVfsFileObject;

typedef struct SceVfsPath { //size is 0xC-bytes
	char *name; // could be `const char *`?
	SceSize name_len;
	char *path; // could be `const char *`?
} SceVfsPath;

Data segment layout

Address	Size	Description
0x0000	0x4	unknown
0x0004	0x8	some index returned from initialization function 0xb645c7ef in SceThreadmgrForDriver
0x0008	0x4	unknown
0x000C	0x4	flag that enables usage of sceFiosKernel functions (like OverlayResolveSync) in i/o operations in transition from user to kernel
0x00010	0x4	flag that enables usage of sceFiosKernel functions (like OverlayResolveSync) in i/o operations in transition from user to kernel
0x00014	0x4	flag that enables usage of sceFiosKernel functions (like OverlayResolveSync) in i/o operations in transition from user to kernel
0x00018	0x4	flag that enables usage of sceFiosKernel functions (like OverlayResolveSync) in i/o operations in transition from user to kernel
0x0001C	0x4	unknown
0x0020	0x4	SceIofileDevWaitForVC event flag SceUID
0x0024	0x4	unknown
0x0028	0x4	SceIofileDevWaitForSD event flag SceUID
0x002C	0x4	pointed by vfs_mount_cc for SceIofileDevWaitForSD
0x0030	0x4	SceIofileDevWaitForMC event flag SceUID
0x0034	0x4	unknown
0x0038	0x4	pointed by vfs_mount_cc for SceIofileDevWaitForVC
0x003C	0x4	pointed by vfs_mount_cc for SceIofileDevWaitForMC
0x0040	0x10	unknown
0x0050	0x4	address of some callback function called in all vfs operations
0x0054	0x4	SceIofile heap SceUID
0x0058	0x80	unknown
0x00D8	0x4	SceIoVfsHeap heap SceUID
0x00DC	0x4	SceIoFileDebug memblock SceUID
0x00E0	0x3C	unknown
0x011C	0x4	ctx_11C* pointer to structure
0x0120	0x4C	unknown
0x016C	0x10	char* static_buffers[4] - static buffers used instead of SceIoVfsHeap
0x017C	0x2C	SceClass for SceVfsFile
0x01A8	0x1500	array of 96 elements of vfs_node_info
0x16A8	0x4	SceVfsRfsLock fast mutex
0x16AC	0x3C	unknown
0x16E8	0x2C	SceClass for SceIoMountEvent
0x1714	0xC	unknown
0x1720	0x04	cond_ctx* pointer to the linked list
0x1724	0x4	SceIoScheduler heap SceUID
0x1728	0xB8	io_scheduler_dispatcher structure
0x17E0	0x2C	SceClass for SceIoAsyncEvent - used in all async i/o operations
0x180C	0xC	unknown
0x1818	0x2C	SceClass for SceIoErrorEvent
0x1844	0xC	unknown
0x1850	0x4	SceIofileDaemonLock fast mutex
0x1854	0x40	unknown
0x1894	0x4	SceIofile fast mutex
0x1898	0x7C	unknown
0x1914	0x4	function pointer t_1914_callback
0x1918	0x4	SceIofileFlock fast mutex
0x191C	0x44	unknown
0x1960	0x4	some i/o flag
0x1964	0x4	flag that indicates that any i/o operation happened 1/0. changed by each i/o operation. cleared on suspend.
0x1968	0x18	unknown
0x1980	0x4	counter of not finished i/o operations. changed by each i/o operation.
0x1984	0xC	unknown
0x1990	0x4	SceVfsMntlistLock fast mutex
0x1994	0x3C	unknown
0x19D0	0x4	vfs_mount* singly linked list
0x19D4	0x1C	structure ctx_19D4
0x19F0	0x8	unknown
0x19F8	0x4	address used for sceKernelCpuLockSuspendIntrStoreLRForDriver to lock 016C
0x19FC	0x4	vfs_mount* pointer
0x1A00	0x4	SceVfsNcacheLock fast mutex
0x1A04	0x40	unknown
0x1A44	0x4	address used for sceKernelCpuLockSuspendIntrStoreLRForDriver
0x1A48	0x4	unknown
0x1A4C	0x4	SceVfsLock fast mutex
0x1A50	0x3C	unknown
0x1A8C	0x04	SceIofilemgrMount thread SceUID
0x1A90	0x700	array of 32 elements of vfs_mount_point_info
0x2190	0x4	SceIofilemgrMount cond SceUID
0x2194	0x4	SceIofilemgrMount SceUID mutexid
0x2198	0x4	flag that indicates that IoSchedulerDispatcher functionality is initialized 1/0
0x219C	0x4	unknown
0x21A0	0x40	unknown
0x21E0	0x20	unknown
0x2200	0x04	SceIofilemgrDaemon thread SceUID
0x2204	0x8	unknown
0x220C	0x4	SceIofilemgrDaemon event flag SceUID
0x2210	0x4	void* to heap alloc of size 0x100
0x2214	0x4	void* to heap alloc of size 0x100
0x2218	0x4	= 3
0x221C	0x20	vfs_add_data dummy_ttyp_dev_fs node

SceIofilemgrForDriver

sceVfsOpDevctlForDriver

Version	NID
0.990-3.60	0xB07B307D

sceVfsOpDecodePathElemForDriver

Version	NID
0.990-3.60	0xF7DAC0F5

sceVopOpenForDriver

Version	NID
0.990-3.60	0x76B79BEC

sceVopCreateForDriver

Version	NID
0.990-3.60	0x9E347C7D

sceVopCloseForDriver

Version	NID
0.990-3.60	0x40944C2E

In logs it is sceVopClsoe.

sceVopLookupForDriver

Version	NID
0.931-3.60	0xA5A6A55C

Temp name was sceVfsNodeInitializePartitionForDriver.

int sceVopLookupForDriver(SceVfsNode *pNode, SceVfsNode **ppNewNode, SceVfsPath *path_info, SceUInt32 flags);

sceVopReadForDriver

Version	NID
0.990-3.60	0x570388A5

sceVopWriteForDriver

Version	NID
0.990-3.60	0x9A68378D

sceVopLseekForDriver

Version	NID
0.990-3.60	0xB2B13818

sceVopIoctlForDriver

Version	NID
0.990-3.60	0x333C904D

sceVopRemoveForDriver

Version	NID
3.60	0xDC1E7EE4

sceVopMkdirForDriver

Version	NID
0.990-3.60	0x2F3F8C70

sceVopRmdirForDriver

Version	NID
0.990-3.60	0x1D551105

sceVopDopenForDriver

Version	NID
0.990-3.60	0x00C9C2DD

sceVopDcloseForDriver

Version	NID
0.990-3.60	0x1350F5C7

sceVopDreadForDriver

Version	NID
0.990-3.60	0x77584C8F

sceVopGetstatForDriver

Version	NID
0.990-3.60	0x50A63ACF

sceVopChstatForDriver

Version	NID
0.990-3.60	0x1974FA92

sceVopRenameForDriver

Version	NID
0.990-3.60	0x36A794C7

sceVopPreadForDriver

Version	NID
0.990-3.60	0xABBC80E3

sceVopPwriteForDriver

Version	NID
0.990-3.60	0xA53C040D

sceVopInactiveForDriver

Version	NID
0.990-3.60	0x8FB94521

sceVopLinkForDriver

Version	NID
3.60	0x942AA61F

Temp name was sceVop_unk_offset_0x54_ForDriver.

sceVopUnlinkForDriver

Version	NID
3.60	0x0D8A806E

Temp name was sceVop_unk_offset_0x58_ForDriver.

sceVopSyncForDriver

Version	NID
0.990-3.60	0x9CD96406

sceVopFgetstatForDriver

Version	NID
3.60	0x1DBCBB01

Temp name was sceVopGetStateByFdForDriver.

int sceVopFgetstatForDriver(SceVfsNode *pNode, SceVfsFileObject *pVfsFileObject, SceIoStat *stat);

sceVopFchstatForDriver

Version	NID
3.60	0x082AFD7F

Temp name was sceVopChstatByFdForDriver.

int sceVopFchstatForDriver(SceVfsNode *pNode, SceVfsFileObject *pObject, SceIoStat *stat, int bit);

sceVopWhiteoutForDriver

Version	NID
0.996-3.60	0xF53399BC

Temp name was sceVopTrashForDriver.

Move target node entry file/directory to xx0:/SceIoTrash/.

sceVopCleanupForDriver

Version	NID
3.60	0x0F7E1718

Temp name was sceVop_unk_offset_0x6C_ForDriver.

sceVopZerofillForDriver

Version	NID
0.996-3.60	0xEEAE8B51

Temp name was sceVop_unk_offset_0x70_ForDriver.

vfsIsLockedMntForDriver

Version	NID
3.60	0xC468B5EF

some thread op

vfsBuffCacheCtlForDriver

Version	NID
3.60	0xA7020B0D

Configures the IO Buffer Cache for vp

int vfsBuffCacheCtlForDriver(SceVfsNode *vp, int data_cache_size, int way, int line_size,int io_size);

vfsBuffCacheFreeForDriver

Version	NID
3.60	0xD6AB5E4B

some node op

vfsLockVnodeForDriver

Version	NID
0.995-3.60	0xAA45010B

Temp name was sceVfsNodeWaitEventFlagForDriver, sceVfsLockVnodeForDriver.

calls sceKernelWaitEventFlagForDriver using event_flag_SceVfsVnode from vfs_node

1. If the ownerId of the locked vnode is -1 (no anyone), set own thread as owner and leave the function.

2. If the ownerId is already mine, increment recursiveCount and leave the function.

3. If we get here we increment waiter.

4. Just to be sure, we do a check for 1 again and if the ownerId is -1, we set the ownerId to ourselves in the thread, then decrement waiter and leave the function.

5. If you've come this far, wait for the other owner to unlock the vnode with sceKernelWaitEventFlag.

6. Decrement the waiter and set the ownerId to its own thread and leave the function.

int vfsLockVnodeForDriver(vfs_node *node);

vfsUnlockVnodeForDriver

Version	NID
0.990-3.60	0x6048F245

Temp name was sceVfsNodeSetEventFlagForDriver, sceVfsUnlockVnodeForDriver.

calls sceKernelSetEventFlagForDriver using event_flag_SceVfsVnode from vfs_node

1. The function fails if the ownerId is not its own thread.

2. If recursiveCount is not 0, decrement recursiveCount and leave the function.

3. If recursiveCount is 0, checks waiter value.

4. If waiter is not 0, set ownerId to 0xfffffffd, then notify other waiting threads of unlock with sceKernelSetEventFlag and leave the function.

5. Check ownerId and waiter again and execute 4 if there is a discrepancy with the first check.

6. Set waiter to 0 and ownerId to -1 and leave the function.

int vfsUnlockVnodeForDriver(vfs_node* node);

vfsMountForDriver

Version	NID
0.990-3.60	0xB62DE9A6

This is a guessed name.

Temp name was sceVfsMountForDriver.

int vfsMountForDriver(vfs_mount_point_info_base *mnt);

vfsUmountForDriver

Version	NID
1.69-3.60	0x9C7E7B76

Temp name was sceVfsUnmountForDriver.

int vfsUmountForDriver(vfs_unmount_data *data);

sceVfsAddVfsForDriver

Version	NID
0.990-3.60	0x673D2FCD

Used by SceSdstor, SceTty2uart, SceKernelBlueScreenOfDeath.

int sceVfsAddVfsForDriver(vfs_add_data *data);

sceVfsDeleteVfsForDriver

Version	NID
1.69-3.60	0x9CBFA725

int sceVfsDeleteVfsForDriver(const char *name, void **deleted_node);

vfsMountForPFSForDriver

Version	NID
3.60	0xFEEE44A9

Temp name was scePfsMgrVfsMountForDriver.

operation index 3 in cond_ctx

// this function can be used with PFS_GDSD_INF filesystem
int vfsMountForPFSForDriver(vfs_mount_point_info_base *mnt, int unk1, int unk2);

vfsUmountForPFSForDriver

Version	NID
3.60	0xD220539D

This is a guessed name.

Temp name was scePfsMgrVfsUmountForDriver.

operation index 4 in cond_ctx

int vfsUmountForPFSForDriver(vfs_unmount_data* umnt, int unk1, int unk2);

vfsLockMntForDriver

Version	NID
3.60	0x6B3CA9F7

Temp name was sceVfsLockMntForDriver.

vfsUnlockMntForDriver

Version	NID
3.60	0xDC2D8BCE

Temp name was sceVfsUnlockMntForDriver.

vfsGetNewVnodeForDriver

Version	NID
0.990-3.60	0xD60B5C63

Temp name was sceVfsGetNewVnodeForDriver.

int vfsGetNewVnodeForDriver(vfs_mount *mnt, node_ops2 *ops, int unused, vfs_node **node);

vfsFreeVnodeForDriver

Version	NID
0.990-3.60	0x21D57633

Temp name was sceVfsFreeVnodeForDriver.

vfsIsOwnerForDriver

Version	NID
3.60	0xC3AE93A2

This is a guessed name.

Temp name was sceIoComparisonCurrentThreadIdForDriver.

SceBool vfsIsOwnerForDriver(void *vp);

vfsGetVnodeNameForDriver

Version	NID
0.990-3.60	0xAA253B68

Temp name was sceVfsGetVnodeNameForDriver.

int vfsGetVnodeNameForDriver(SceVfsNode *vp, char *name, SceSize n, SceSize *result);

vfsAllocateFileForDriver

Version	NID
0.995-3.60	0xBBAC1751

Temp name was sceVfsAllocateFileForDriver.

Creates a SceUIDVfsFileClass object and returns UID and pointer to created object.

// type of a1 is unknown for now - at least 0x98 bytes wide

// FW 0.995
SceUID vfsAllocateFileForDriver(void *vp, SceUIDVfsFileObject **ppFile);

// FW 3.60
// If name is NULL, default name (same as 0.995, "SceVfsFile") is used as object name
// Else, name will be created with snprintf("file %s %s", something_from_a1, name);
SceUID vfsAllocateFileForDriver(void *vp, SceVfsFileObject **ppFile, const char *name);

vfsAllocateFileDummyForDriver

Version	NID
3.60	0xCDF3EF52

This is a guessed name.

SceUID vfsAllocateFileDummyForDriver(int flags, SceBool is_dir, const char *name);

vfsFreeFileForDriver

Version	NID
0.990-3.60	0xC85E33A2

Temp name was sceVfsFreeFileForDriver.

Frees a file created with vfsAllocateFileForDriver.

SceInt32 vfsFreeFileForDriver(void *vp, SceUID file_uid);

vfsRmdevForDriver

Version	NID
3.60	0x69A7E076

Temp name was sceVfsRmdevForDriver.

vfsOpenForDriver

Version	NID
3.60	0x0E518FA9

Temp name was t_sceIoOpenForDriver, sceVfsOpenForDriver.

thread callback for sceIoOpenForDriver

typedef struct SceVfsOpenArgs {
  const char *filename;
  int flag;
  SceIoMode mode;
} SceVfsOpenArgs;

SceUID vfsOpenForDriver(SceVfsOpenArgs *argp);

vfsCloseForDriver

Version	NID
3.60	0x1AE14011

Temp name was t_sceIoCloseForDriver, sceVfsCloseForDriver.

thread callback for sceIoCloseForDriver

typedef struct SceVfsCloseArgs {
  SceUID fd;
} SceVfsCloseArgs;

int vfsCloseForDriver(SceVfsCloseArgs *argp);

vfsReadForDriver

Version	NID
3.60	0x809892C1

Temp name was t_sceIoReadForDriver, sceVfsReadForDriver.

thread callback for sceIoReadForDriver

typedef struct SceVfsReadArgs {
  SceUID fd;
  void *data;
  SceSize size;
} SceVfsReadArgs;

int vfsReadForDriver(SceVfsReadArgs *argp);

vfsWriteForDriver

Version	NID
3.60	0x8598ADC3

Temp name was t_sceIoWriteForDriver, sceVfsWriteForDriver.

thread callback for sceIoWriteForDriver

typedef struct SceVfsWriteArgs {
  SceUID fd;
  const void *data;
  SceSize size;
} SceVfsWriteArgs;

int vfsWriteForDriver(SceVfsWriteArgs *argp);

vfsIoctlForDriver

Version	NID
3.60	0xC1DD4317

This is a guessed name.

Temp name was t_sceIoIoctlForDriver, sceVfsIoctlForDriver.

thread callback for sceIoIoctlForDriver

typedef struct SceVfsIoctlArgs {
  SceUID fd;
  unsigned int cmd;
  void *indata;
  int inlen;
  void *outdata;
  int outlen;
} SceVfsIoctlArgs;

int vfsIoctlForDriver(SceVfsIoctlArgs *argp);

vfsChstatForDriver

Version	NID
3.60	0xBCE4865B

Temp name was t_sceIoChstatForDriver, sceVfsChstatForDriver.

thread callback for sceIoChstatForDriver

typedef struct SceVfsChstatArgs {
   const char *path;
   const SceIoStat *stat;
   unsigned int cbit;
   uint32_t store_attr;
} SceVfsChstatArgs;

int vfsChstatForDriver(SceVfsChstatArgs *argp);

vfsChstatByFdForDriver

Version	NID
3.60	0x7517FE29

Temp name was t_sceIoChstatByFdForDriver, sceVfsChstatByFdForDriver.

thread callback for sceIoChstatByFdForDriver

typedef struct SceVfsChstatByFdArgs {
  SceUID fd;
  const SceIoStat *buf,
  unsigned int cbit;
} SceVfsChstatByFdArgs;

int vfsChstatByFdForDriver(SceVfsChstatByFdArgs *args);

vfsPreadForDriver

Version	NID
3.60	0x0B54F9E0

Temp name was t_sceIoPreadForDriver, sceVfsPreadForDriver.

thread callback for sceIoPreadForDriver

typedef struct SceVfsPreadArgs {
   SceUID uid;
   void *data;
   SceSize size;
   int paddind; // unused
   SceOff offset;
} SceVfsPreadArgs;

int vfsPreadForDriver(SceVfsPreadArgs *argp);

vfsPwriteForDriver

Version	NID
3.60	0xE5DEA6B7

Temp name was t_sceIoPwriteForDriver, sceVfsPwriteForDriver.

thread callback for sceIoPwriteForDriver

typedef struct SceVfsPwriteArgs {
   SceUID uid;
   const void *data;
   SceSize size;
   int padding;
   SceOff offset;
} SceVfsPwriteArgs;

int vfsPwriteForDriver(SceVfsPwriteArgs *argp);

vfsGetMntInfoForDriver

Version	NID
3.60	0xB987450D

This is a guessed name.

Temp name was sceIoGetMountInfoForDriver.

int vfsGetMntInfoForDriver(void *mnt, SceIoMountInfo *pInfo);

vfsGetMntListForDriver

Version	NID
3.60	0xC20C621C

This is a guessed name.

Temp name was sceIoGetMountVectorForDriver.

int vfsGetMntList(SceIoMount *pMount, SceUInt32 nMount, SceUInt32 *pnMount);

sceIoMountForDriver

Version	NID
3.60	0xD070BC48

operation index 1 in cond_ctx

// intermediate function between sceAppMgrGameDataMountForDriver and sceVfsMountForDriver
int sceIoMountForDriver(int vshMountId, const char *path, int flags, int unk3, int arg_0, int arg_4);

sceIoUmountForDriver

Version	NID
3.60	0x20574100

operation index 2 in cond_ctx

// intermediate function between sceAppMgrUmountForDriver and sceVfsUnmountForDriver
int sceIoUmountForDriver(int vshMountId, int unk1, int unk2, int unk3);

sceIoRmdevForDriver

Version	NID
0.990-3.60	0xA39A9CA7

Like sceIoRemove?

The difference with sceIoRemove is that sceIoRmdev seems to remove the entry to be deleted directly without moving it to SceIoTrash.

int sceIoRmdevForDriver(const char *path, int flags, int a3, int a4);

sceIoDelDrvForDriver

Version	NID
0.931	0xD51774E3
3.60	not present

Example: "tty"

int sceIoDelDrvForDriver(const char *drv);

sceIoAddDrvForDriver

Version	NID
0.931	0x1D8AC9A7
3.60	not present

int sceIoAddDrvForDriver(const char **drv);

sceIoDreadForDriver

Version	NID
1.69-3.60	0x20CF5FC7

Call interface is same as sceIoDread.

int sceIoDreadForDriver(SceUID fd, SceIoDirent *dir);

sceIoDreadForVshbridgeForDriver

Version	NID
0.995-3.60	0x03051B02

Temp name was sceIoDreadForDriver_2. Derived from _vshIoDread.

Implementation is completely the same as sceIoDreadForDriver. The only difference is that st_attr in SceIoStat is not set.

int sceIoDreadForVshbridgeForDriver(SceUID fd, SceIoDirent *dir);

sceIoWriteForDriver

Version	NID
1.69-3.60	0x21EE91F0

Call interface is same as sceIoWrite

int sceIoWriteForDriver(SceUID fd, const void *data, SceSize size);

sceIoDopenForDriver

Version	NID
1.69-3.60	0x463B25CC

Call interface is same as sceIoDopen

SceUID sceIoDopenForDriver(const char *dirname);

sceIoLseekForDriver

Version	NID
0.931-3.60	0x62090481

Call interface is same as sceIoLseek

SceOff sceIoLseekForDriver(SceUID fd, SceOff offset, int whence);

sceIoOpenForDriver

Version	NID
0.931-3.60	0x75192972

Call interface is same as sceIoOpen.

If the process is game or non-game, the `SCE_O_NOBUF` flag will be ignored.

SceUID sceIoOpenForDriver(const char *filename, int flag, SceIoMode mode);

sceIoOpenForPidForDriver

Version	NID
3.60	0xC3D34965

This is a wrapper for sceIoOpenForDriver.

Pid is used for sceFiosKernelOverlayResolveSyncForDriver.

SceUID sceIoOpenForPidForDriver(SceUID pid, const char *filename, int flag, SceIoMode mode);

sceIoChstatForDriver

Version	NID
1.69-3.60	0x7D42B8DC

Call interface is same as sceIoChstat

int sceIoChstatForDriver(const char *name, const SceIoStat *buf, unsigned int cbit);

sceIoChstatForVshbridgeForDriver

Version	NID
0.995-3.60	0x1F98BD50

Temp name was sceIoChstatForDriver_2. Derived from _vshIoChstat.

Implementation is completely the same as sceIoChstatForDriver. The only difference is that (bits = bits & (~0x10000)) operation is not applied.

int sceIoChstatForVshbridgeForDriver(const char *name, const SceIoStat *buf, unsigned int cbit);

sceIoGetstatForDriver

Version	NID
1.69-3.60	0x75C96D25

Call interface is same as sceIoGetstat.

int sceIoGetstatForDriver(const char *name, SceIoStat *buf);

sceIoGetstatForVshbridgeForDriver

Version	NID
0.995-3.60	0xD6503624

Temp name was sceIoGetstatForDriver_2. Derived from _vshIoGetstat.

Implementation is completely the same as sceIoGetstatForDriver. The only difference is that st_attr in SceIoStat *buf is not set.

int sceIoGetstatForVshbridgeForDriver(const char *name, SceIoStat *buf);

sceIoMkdirForDriver

Version	NID
1.69-3.60	0x7F710B25

Call interface is same as sceIoMkdir

int sceIoMkdirForDriver(const char *dirname, SceIoMode mode);

sceIoReadForDriver

Version	NID
1.69-3.60	0xE17EFC03

Call interface is same as sceIoRead

int sceIoReadForDriver(SceUID fd, void *buf, SceSize nbyte);

sceIoCloseForDriver

Version	NID
1.69-3.60	0xF99DD8A3

Call interface is same as sceIoClose

int sceIoCloseForDriver(SceUID fd);

sceIoRenameForDriver

Version	NID
1.69-3.60	0xDC0C4997

Call interface is same as sceIoRename

int sceIoRenameForDriver(const char *oldname, const char *newname);

sceIoRemoveForDriver

Version	NID
1.69-3.60	0x0D7BB3E1

Call interface is same as sceIoRemove

int sceIoRemoveForDriver(const char *filename);

sceIoCancelForDriver

Version	NID
3.60	0x6D59658D

Derived from sceIoCancel

sceIoChstatAsyncForDriver

Version	NID
3.60	0x7EC442BF

Derived from _sceIoChstatAsync

sceIoChstatByFdAsyncForDriver

Version	NID
3.60	0xEC974400

Derived from sceIoChstatByFdAsync

sceIoChstatByFdForDriver

Version	NID
3.60	0xDF57A75F

Derived from _sceIoChstatByFd

int sceIoChstatByFdForDriver(SceUID fd, const SceIoStat *buf, unsigned int cbit);

sceIoCloseAsyncForDriver

Version	NID
3.60	0x11C57CC6

Derived from sceIoCloseAsync

sceIoDevctlAsyncForDriver

Version	NID
3.60	0xA9302946

Derived from _sceIoDevctlAsync

sceIoDevctlForDriver

Version	NID
0.990.000-3.740.011	0x16882FC4

cmd list

handler	cmd	function
sdstor	1	Update ctx info
sdstor	2	Format rm
sdstor	3	Set some intr flag
sdstor	4	remove
sdstor	5	insert
sdstor	6	sceSdErase
sdstor	7	sdctrl_invalidate_partition with check
sdstor	8	sdctrl_invalidate_partition
exfat	0x3001	get_drive_information
exfat	0x3004	set_fake_free
exfat	0x3005	clear_fake_free
exfat	0x3802	set_whiteout_directory
exfat	0x3803	delete_whiteout_entry
exfat	0x80000001	_get_file_size_limit

Derived from _sceIoDevctl.

This performs device-specific operations. The details of the operations are driver-dependent.

It has the same prototype as SceLibKernel#sceIoDevctl.

/*
Arguments:
devname     Specified device ("<devname><unit>:")
cmd     Command code
arg     Pointer to device-driver-dependent parameter block
arglen     Number of bytes in device-driver-dependent parameter block
bufp     Pointer to return data storage block
buflen     Size of return data storage block

Return Values:
Non-negative (N>=0) Success (driver-dependent) 
<0 Error, e.g. SCE_ERROR_ERRNO_EMFILE, SCE_ERROR_ERRNO_ENODEV, SCE_ERROR_ERRNO_EUNSUP
*/

int sceIoDevctlForDriver(
    const char *devname,
    int cmd,
    const void *arg,
    SceSize arglen,
    void *bufp,
    SceSize buflen
);

sceIoDcloseForDriver

Version	NID
3.60	0x19C81DD6

Derived from sceIoDclose

int sceIoDcloseForDriver(SceUID fd);

sceIoFlockForDriver

Version	NID
3.60	0x16336A0D

Derived from sceIoFlockForSystem

sceIoGetstatByFdAsyncForDriver

Version	NID
3.60	0x0FEE1238

Derived from sceIoGetstatByFdAsync

sceIoGetstatByFdForDriver

Version	NID
3.60	0x462F059B

Derived from _sceIoGetstatByFd

// Return: 0 on success
int sceIoGetstatByFdForDriver(SceUID fd, SceIoStat *buf);

sceIoGetstatAsyncForDriver

Version	NID
3.60	0x94A5304A

Derived from _sceIoGetstatAsync

sceIoIoctlAsyncForDriver

Version	NID
3.60	0xB761E91B

Derived from _sceIoIoctlAsync

sceIoIoctlForDriver

Version	NID
3.60	0x161CD33F

Derived from _sceIoIoctl

// Return: >=0 on success (driver-dependent)
int sceIoIoctlForDriver(SceUID fd, int cmd, const void *argp, SceSize arglen, void *bufp, SceSize buflen);

sceIoLseekAsyncForDriver

Version	NID
3.60	0x541BAABD

Derived from _sceIoLseekAsync

sceIoMkdirAsyncForDriver

Version	NID
3.60	0x27003443

Derived from _sceIoMkdirAsync

sceIoOpenAsyncForDriver

Version	NID
3.60	0x451001DE

Derived from _sceIoOpenAsync

sceIoPreadAsyncForDriver

Version	NID
3.60	0x64A46A2C

Derived from _sceIoPreadAsync

sceIoPreadForDriver

Version	NID
3.60	0x2A17515D

Derived from _sceIoPread

// Return: Number of bytes actually read
int sceIoPreadForDriver(SceUID uid, void *data, int size, SceOff offset);

sceIoPwriteAsyncForDriver

Version	NID
3.60	0x202CDDE3

Derived from _sceIoPwriteAsync

sceIoPwriteForDriver

Version	NID
3.60	0x5F1512C8

Derived from _sceIoPwrite

// Return: Number of bytes actually written
int sceIoPwriteForDriver(SceUID fd, const void *buf, SceSize nbyte, SceOff offset);

sceIoReadAsyncForDriver

Version	NID
3.60	0x69047C81

Derived from sceIoReadAsync

sceIoRemoveAsyncForDriver

Version	NID
3.60	0xF9D6507D

Derived from _sceIoRemoveAsync

sceIoRenameAsyncForDriver

Version	NID
3.60	0xAACBC47A

Derived from _sceIoRenameAsync

sceIoRmdirAsyncForDriver

Version	NID
3.60	0xF5B0B36C

Derived from _sceIoRmdirAsync

sceIoRmdirForDriver

Version	NID
3.60	0x1CC9C634

Derived from _sceIoRmdir

int sceIoRmdirForDriver(const char *dirname);

sceIoSyncByFdAsyncForDriver

Version	NID
3.60	0x041209CF

Derived from sceIoSyncByFdAsync

not_sceIoSyncByFd_maybe_SyncByFd2ForDriver

Version	NID
3.60	0x43170575

This function is not sceIoSyncByFdForDriver.

Derived from sceIoSyncByFd

int not_sceIoSyncByFd_maybe_SyncByFd2ForDriver(SceUID fd, int flag);

sceIoSyncAsyncForDriver

Version	NID
3.60	0x4F9EA8B0

Derived from _sceIoSyncAsync

sceIoSyncForDriver

Version	NID
3.60	0xDDF78594

Derived from _sceIoSync

int sceIoSyncForDriver(const char *device, unsigned int flag);

sceIoWriteAsyncForDriver

Version	NID
3.60	0xA1BD13D0

Derived from sceIoWriteAsync

sceIoGetProcessDefaultPriorityForSystemForDriver

Version	NID
0.990-3.60	0xCE397158

sceIoSetProcessDefaultPriorityForSystemForDriver

Version	NID
0.990-3.60	0xABE65071

sceIoDopenAsyncForDriver

Version	NID
3.60	0x72F06BDE

sceIoDcloseAsyncForDriver

Version	NID
3.60	0xC08F199F

sceIoDreadAsyncForDriver

Version	NID
3.60	0x5982B0E3

sceIoCreateMountEventForDriver

Version	NID
3.60	0x2DFA192F

Derived from vshIoCreateMountEvent

int sceIoCreateMountEventForDriver(int vshMountId, int flag);

sceIoCreateErrorEventForDriver

Version	NID
3.60	0x3C0343DB

Derived from vshIoCreateErrorEvent

typedef struct sceIoCreateErrorEventForDriverOpt {
  uint32_t unk_0;
  uint32_t unk_4;
  uint32_t unk_8;
  uint32_t unk_C;

  uint32_t unk_10;
  uint32_t unk_14;
  uint32_t unk_18;
} sceIoCreateErrorEventForDriverOpt;

SceUID sceIoCreateErrorEventForDriver(int vshMountId, int flag, sceIoCreateErrorEventForDriverOpt* opt);

sceIoClearErrorEventForDriver

Version	NID
3.60	0x40B933C7

Derived from vshIoClearErrorEvent

int sceIoClearErrorEventForDriver(SceUID uid);

sceIoDeleteMountEventForDriver

Version	NID
3.60	0x43DB0AE4

Derived from vshIoDeleteMountEvent

int sceIoDeleteMountEventForDriver(SceUID uid);

sceIoDeleteErrorEventForDriver

Version	NID
3.60	0xC6158F8D

Derived from vshIoDeleteErrorEvent

int sceIoDeleteErrorEventForDriver(SceUID uid);

sceIoSetMountEventForDriver

Version	NID
0.995-3.60	0x39ABDB9E

Temp name was sceIoInvokeMountEventForDriver.

/*
 * (flags & 0x100) != 0 -> mount
 * (flags & 0x200) != 0 -> unmount
 */
int sceIoSetMountEventForDriver(int vshMountId, int flags, int unk2, int unk3);

vfsUnlockMntByMntIdForDriver

Version	NID
3.60	0x5B7E5AB8

This is a guessed name.

Temp name was sceIoUmount2ForDriver.

int vfsUnlockMntByMntIdForDriver(int vshMountId);

sceIoSetPathMappingFunctionForDriver

Version	NID
3.60	0xCFAECF18

Used by SceAppMgr.

Sets a callback function that does path mapping:

• function tries to OverlayResolveSync input path
• checks that it is not a PD path (Pseudo Drive mount point aquired by ScePfsMgr)
• takes beginning of path until symbol ":"
• tries to do a lookup by that path copy in data segment global 0x3470C mount_point_data_entry item array
• if item is found then path from mount_point_data_entry item is copied to result_path
• in any other case OverlayResolveSync result path is copied to result_path

typedef int ( SceIoPathMappingFunc)(const char *path, SceUID pid, char *result_path, SceSize size);

int sceIoSetPathMappingFunctionForDriver(SceIoPathMappingFunc *func);

sceIoGetMediaTypeForDriver

Version	NID
0.990-3.60	0x9C220246

Was wrongly named sceIoGetPathIdExForDriver.

May also call callback function set by sceIoSetPathMappingFunctionForDriver.

This callback function does path mapping since result in result_path is passed to sceSblACMgrGetMediaTypeForKernel.

int sceIoGetMediaTypeForDriver(SceUID pid, const char *path, int ignored, int *media_type);

sceIoGetThreadDefaultPriorityForSystemForDriver

Version	NID
3.60	0x6D0FEDB6

int sceIoGetThreadDefaultPriorityForSystemForDriver(void);

sceIoSetThreadDefaultPriorityForSystemForDriver

Version	NID
3.60	0x3F0FF9D5

sceIoGetRemoteKPLSDataForDriver

Version	NID
3.60	0x44EDCE57

This is a guessed name.

int sceIoGetRemoteKPLSDataForDriver(SceUID pid, void *dst);

sceIoSetProcessFileOpenMaxNumberForDriver

Version	NID
3.60	0xAC0E9AAA

int sceIoSetProcessFileOpenMaxNumberForDriver(SceUID pid, SceSize number);

sceIoSetProcessDirOpenMaxLevelForDriver

Version	NID
3.60	0x03F6A684

int sceIoSetProcessDirOpenMaxLevelForDriver(SceUID pid, SceSize level);

sceIoCompleteForDriver

Version	NID
3.60	0x8F0DE34D

int sceIoCompleteForDriver(SceUID fd);

sceIoGetPriorityForSystemForDriver

Version	NID
3.60	0x9FCDCE62

int sceIoGetPriorityForSystemForDriver(SceUID a1);

sceIoSetPriorityForSystemForDriver

Version	NID
3.60	0xCCE94599

int sceIoSetPriorityForSystemForDriver(SceUID a1, int a2);

sceIoSetErrorEventForDriver

Version	NID
0.995-3.60	0xDD46CD63

Previously (wrongfully) called sceIoGetGUIDErrorEventListForDriver.

sceIoSetDebuggerCallbackForDriver

Version	NID
3.60	0xF4F8C59A

sceIoGetGUIDFdListForDebuggerForDriver

Version	NID
3.60	0xdcf75f6d

sceIoGetPUIDFdListForDebuggerForDriver

Version	NID
3.60	0xd493274

sceIoGetFileInfoForDriver

Version	NID
3.60	0xa1ef2648

This is a guessed name.

SceIofilemgrForDriver_12F8D58E

Version	NID
3.60	0x12F8D58E

get some value

SceIofilemgrForDriver_15C17487

Version	NID
0.996.090-3.740.011	0x15C17487

A possible name is sceIoSchedulerIssueAnotherIoRequestForDriver.

int SceIofilemgrForDriver_15C17487(int io_device_code);

SceIofilemgrForDriver_2EFDFA12

Version	NID
3.60	0x2EFDFA12

set path by flags?

int SceIofilemgrForDriver_2EFDFA12(SceUID fd, char *path);

SceIofilemgrForDriver_3675ECB9

Version	NID
3.60	0x3675ECB9

could be sceIoSchedDispatcherFsResourceUnavailableForDriver.

some node op. dec ctr.

SceIofilemgrForDriver_3A79FAC9

Version	NID
3.60	0x3A79FAC9

delete fd by flags

int SceIofilemgrForDriver_3A79FAC9(SceUID fd);

SceIofilemgrForDriver_6BEEDDB4

Version	NID
3.60	0x6BEEDDB4

setting some to fd of dir entry

int SceIofilemgrForDriver_6BEEDDB4(SceUID fd, int a2);

SceIofilemgrForDriver_B499287E

Version	NID
3.60	0xB499287E

delete some puid from a1

int SceIofilemgrForDriver_B499287E(void *a1, int n, int *num);

SceIofilemgrForDriver_C722DF35

Version	NID
3.60	0xC722DF35

some node op. inc ctr.

sceIoSyncByFdForDriver

Version	NID
3.60	0x338dcd68

SceIofilemgr

_sceIoDcloseAsync

Version	NID
1.69	0x00B13031
3.60	different NID or not present

_sceIoOpenAsync

Version	NID
1.69-3.60	0x09CD0FC8

sceIoGetProcessDefaultPriority

Version	NID
1.69-3.60	0x0DC4F1BB

_sceIoRmdirAsync

Version	NID
1.69-3.60	0x13DC3244

sceIoSetPriority

Version	NID
1.69-3.60	0x14B2D56C

sceIoSyncByFd

Version	NID
1.69-3.60	0x16512F59

int sceIoSyncByFd(SceUID fd, unsigned int unk);

_sceIoIoctl

Version	NID
1.69-3.60	0x1D2988F1

_sceIoLseekAsync

Version	NID
1.69-3.60	0x2300858E

sceIoSetPriorityForSystem

Version	NID
1.69-3.60	0x27373135

_sceIoComplete

Version	NID
1.69	0x34E6A06E
3.60	different NID or not present

sceIoWrite

Version	NID
1.69-3.60	0x34EFD876

int sceIoWrite(SceUID fd, const void *data, SceSize size);

_sceIoGetThreadDefaultPriorityForSystem

Version	NID
1.69	0x36CAF911
3.60	different NID or not present

_sceIoSetThreadDefaultPriorityForSystem

Version	NID
0.990-1.69	0x38FE853B
3.60	different NID or not present

sceIoFlockForSystem

Version	NID
1.69-3.60	0x3E98E422

_sceIoDevctlAsync

Version	NID
1.69-3.60	0x3EE3F66E

sceIoDclose

Version	NID
1.69-3.60	0x422A221A

int sceIoDclose(SceUID fd);

_sceIoRename

Version	NID
1.69-3.60	0x4912F748

typedef struct sceIoRenameOpt {
  uint32_t unk_0;
  uint32_t unk_4;
  uint32_t unk_8;
  uint32_t unk_C;
} sceIoRenameOpt;

int _sceIoRename(const char *oldname, const char *newname, sceIoRenameOpt *opt);

sceIoLseek32

Version	NID
1.69-3.60	0x49252B9B

int sceIoLseek32(SceUID fd, int offset, int whence);

sceIoSetThreadDefaultPriority

Version	NID
1.69-3.60	0x49312108

_sceIoDevctl

Version	NID
1.000.071-3.740.011	0x515AC017

This performs device-specific operations. The details of the operations are driver-dependent.

This is a wrapper for sceIoDevctlForDriver.

/*
Arguments:
devname     Specified device ("<devname><unit>:")
cmd     Command code
arg     Pointer to device-driver-dependent parameter block
arglen     Number of bytes in device-driver-dependent parameter block
bufp     Pointer to return data storage block
buflen     Size of return data storage block

Return Values:
Non-negative (N>=0) Success (driver-dependent) 
<0 Error, e.g. SCE_ERROR_ERRNO_EMFILE, SCE_ERROR_ERRNO_ENODEV, SCE_ERROR_ERRNO_EUNSUP
*/

typedef struct SceIoDevctlOpt { // size is 0x18
    SceSize arglen; // Number of bytes in device-driver-dependent parameter block
    void *bufp; // Pointer to return data storage block
    SceSize buflen; // Size of return data storage block
    char reserved[0xC];
} SceIoDevctlOpt;

int _sceIoDevctl(
    const char *devname,
    int cmd,
    const void *arg,
    const SceIoDevctlOpt *pOpt
);

sceIoGetstatByFdAsync

Version	NID
1.69-3.60	0x5167AC1E

_sceIoPread

Version	NID
1.69-3.60	0x539FD5C4

typedef struct sceIoPreadOpt {
   SceOff offset;
   uint32_t unk_8;
   uint32_t unk_C;
} sceIoPreadOpt;

int _sceIoPread(SceUID uid, void *buffer, SceSize size, sceIoPreadOpt *opt);

// 3.60
typedef struct SceIoPreadSyscallArgs {
	void *buf;
	SceSize nbyte;
	SceOff offset;
} SceIoPreadSyscallArgs;

SceSSize _sceIoPread(SceUID fd, SceIoPreadSyscallArgs *args);

_sceIoGetstatByFdAsync

Version	NID
1.69	0x554292F0
3.60	different NID or not present

_sceIoChstatByFdAsync

Version	NID
1.69	0x58010F40
3.60	different NID or not present

_sceIoGetThreadDefaultPriority

Version	NID
1.69	0x5DC29460
3.60	different NID or not present

_sceIoSync

Version	NID
1.69-3.60	0x5DD867F7

typedef struct sceIoSyncOpt {
  uint32_t unk_0;
  uint32_t unk_4;
} sceIoSyncOpt;

int _sceIoSync(const char* device, unsigned int unk, sceIoSyncOpt* opt);

_sceIoRemoveAsync

Version	NID
1.69-3.60	0x5FFA47E2

_sceIoDreadAsync

Version	NID
1.69	0x64B233B8
3.60	different NID or not present

_sceIoSetThreadDefaultPriority

Version	NID
0.990-1.69	0x654E27B1
3.60	different NID or not present

_sceIoSyncByFdAsync

Version	NID
1.69	0x6F78FAFE
3.60	different NID or not present

_sceIoGetPriorityForSystem

Version	NID
1.69	0x70B7BB52
3.60	different NID or not present

sceIoReadAsync

Version	NID
1.69-3.60	0x773EBD45

_sceIoRemove

Version	NID
1.69-3.60	0x78955C65

typedef struct sceIoRemoveOpt {
  uint32_t unk_0;
  uint32_t unk_4;
} sceIoRemoveOpt;

int _sceIoRemove(const char *filename, sceIoRemoveOpt* opt);

sceIoSyncByFdAsync

Version	NID
1.69-3.60	0x7E1367CB

sceIoSetProcessDefaultPriority

Version	NID
1.69-3.60	0x7F2ABBAF

_sceIoRenameAsync

Version	NID
1.69-3.60	0x81794921

_sceIoSyncAsync

Version	NID
1.69-3.60	0x86DB0C0E

_sceIoDread

Version	NID
1.69-3.60	0x8713D662

int _sceIoDread(SceUID fd, SceIoDirent *dir);

_sceIoWrite

Version	NID
1.69	0x8C319CF0
3.60	different NID or not present

_sceIoGetstat

Version	NID
1.69-3.60	0x8E7E11F2

typedef struct sceIoGetstatOpt {
  uint32_t unk_0;
  uint32_t unk_4;
} sceIoGetstatOpt;

int _sceIoGetstat(const char *name, SceIoStat *buf, sceIoGetstatOpt *opt);

sceIoCloseAsync

Version	NID
1.69-3.60	0x8EA3616A

_sceIoMkdir

Version	NID
1.69-3.60	0x8F1ACC32

 
typedef struct sceIoMkdirOpt {
  uint32_t unk_0;
  uint32_t unk_4;
} sceIoMkdirOpt;

int _sceIoMkdir(const char *dirname, SceIoMode mode, sceIoMkdirOpt opt);

_sceIoCompleteMultiple

Version	NID
1.69-3.60	0x9111D004

_sceIoLseek32

Version	NID
1.69	0x92BDA6DA
3.60	different NID or not present

_sceIoPwrite

Version	NID
1.69-3.60	0x9654094B

typedef struct sceIoPwriteOpt {
   SceOff offset;
   uint32_t unk_8;
   uint32_t unk_C;
} sceIoPwriteOpt;

int _sceIoPwrite(SceUID uid, const void *data, int size, sceIoPwriteOpt *opt);

// 3.60
typedef struct SceIoPwriteSyscallArgs {
	const void *buf;
	SceSize nbyte;
	SceOff offset;
} SceIoPwriteSyscallArgs;

SceSSize _sceIoPwrite(SceUID fd, SceIoPwriteSyscallArgs *args);

_sceIoGetPriority

Version	NID
1.69	0x9E3F880D
3.60	different NID or not present

sceIoGetThreadDefaultPriority

Version	NID
1.69-3.60	0xA176CD03

_sceIoLseek

Version	NID
1.69-3.60	0xA604764A

typedef struct _sceIoLseekOpt { // size is 0x10
  SceOff offset;
  int whence;
  uint32_t unk;
} _sceIoLseekOpt;

SceOff _sceIoLseek(SceUID fd, _sceIoLseekOpt* opt);

// 3.60
typedef struct SceIoLseekSyscallArgs {
	SceOff offset;
	int whence;
	int padding;
} SceIoLseekSyscallArgs;

SceOff _sceIoLseek(SceUID fd, SceIoLseekSyscallArgs *args);

sceIoChstatByFdAsync

Version	NID
1.69-3.60	0xA9F89275

_sceIoGetProcessDefaultPriority

Version	NID
1.69	0xB0486482
3.60	different NID or not present

_sceIoSetPriority

Version	NID
0.990-1.69	0xB14192F0
3.60	different NID or not present

_sceIoReadAsync

Version	NID
1.69	0xB2B891E6
3.60	different NID or not present

_sceIoPwriteAsync

Version	NID
1.69-3.60	0xB2D0B2F4

_sceIoChstatAsync

Version	NID
1.69-3.60	0xB4B021D9

sceIoSetThreadDefaultPriorityForSystem

Version	NID
1.69-3.60	0xB9C9C9CF

_sceIoPreadAsync

Version	NID
1.69-3.60	0xBCF5684D

sceIoDopenAsync

Version	NID
1.69-3.60	0xC49C312F

sceIoClose

Version	NID
1.69-3.60	0xC70B8886

int sceIoClose(SceUID fd);

_sceIoWriteAsync

Version	NID
1.69	0xC92AF88F
3.60	different NID or not present

_sceIoOpen

Version	NID
1.69-3.60	0xCC67B6FD

typedef struct sceIoOpenOpt {
  uint32_t unk_0;
  uint32_t unk_4;
} sceIoOpenOpt;

SceUID _sceIoOpen(const char *filename, int flag, SceIoMode mode, sceIoOpenOpt *opt);

sceIoCancel

Version	NID
1.69-3.60	0xCEF48835

sceIoComplete

Version	NID
1.69-3.60	0xD1C49D2F

_sceIoChstat

Version	NID
1.69-3.60	0xD2EE455F

typedef struct sceIoChstatOpt {
  uint32_t unk_0;
  uint32_t unk_4;
} sceIoChstatOpt;

int _sceIoChstat(const char *name, const SceIoStat *stat, unsigned int cbit, sceIoChstatOpt *opt);

_sceIoSetProcessDefaultPriority

Version	NID
0.990-1.69	0xD302DCB9
3.60	different NID or not present

_sceIoGetstatAsync

Version	NID
1.69-3.60	0xD414C89F

sceIoDcloseAsync

Version	NID
1.69-3.60	0xDC2D7D38

_sceIoIoctlAsync

Version	NID
1.69-3.60	0xE00DC256

_sceIoChstatByFd

Version	NID
1.69-3.60	0xE0BE2A30

int _sceIoChstatByFd(SceUID fd, const SceIoStat *buf, unsigned int cbit);

sceIoWriteAsync

Version	NID
1.69-3.60	0xE0D63D2A

_sceIoGetstatByFd

Version	NID
1.69-3.60	0xE6C53567

int _sceIoGetstatByFd(SceUID fd, SceIoStat *stat);

_sceIoSetPriorityForSystem

Version	NID
0.990-1.69	0xE6C923B3
3.60	different NID or not present

_sceIoDopen

Version	NID
1.69-3.60	0xE6E614B5

typedef struct sceIoDopenOpt {
  uint32_t unk_0;
  uint32_t unk_4;
} sceIoDopenOpt;

SceUID _sceIoDopen(const char *dirname, sceIoDopenOpt *opt);

sceIoGetPriorityForSystem

Version	NID
1.69-3.60	0xEF5432ED

sceIoGetPriority

Version	NID
1.69-3.60	0xF2A472A1

_sceIoRead

Version	NID
1.69-3.60	different NID or not present

_sceIoSyncByFd

Version	NID
1.69-3.60	different NID or not present

_sceIoCloseAsync

Version	NID
1.69-3.60	different NID or not present

_sceIoDopenAsync

Version	NID
1.69-3.60	different NID or not present

sceIoDreadAsync

Version	NID
1.69-3.60	0xF59F37B0

_sceIoMkdirAsync

Version	NID
1.69-3.60	0xF5C58B21

_sceIoCancel

Version	NID
1.69	0xF5DEEA19
3.60	different NID or not present

_sceIoClose

Version	NID
1.69	0xF69FB394
3.60	different NID or not present

_sceIoDclose

Version	NID
0.990-1.69	0xFAFF0002
3.60	different NID or not present

sceIoGetThreadDefaultPriorityForSystem

Version	NID
1.69-3.60	0xFCBCEAED

sceIoRead

Version	NID
1.69-3.60	0xFDB32293

sceIoRead(SceUID fd, void *data, SceSize size);

_sceIoRmdir

Version	NID
1.69-3.60	0xFFFB4D76

typedef struct sceIoRmdirOpt {
  uint32_t unk_0;
  uint32_t unk_4;
} sceIoRmdirOpt;

int _sceIoRmdir(const char *dirname, sceIoRmdirOpt* opt);