SceIofilemgr

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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
1.69-3.60 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

Mount Points

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

When sceVfsMount 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
Unix Mount Dev Major Dev Minor Filesystem Vita Mount Block Device VSH Mount Id
/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
/sd/exfat 0x2030001 0x30002 fat16 / fat32 / exfat sd0: sdstor0:ext-pp-act-a, sdstor0:ext-lp-act-entire 0x100
/os/exfat 0x1000001 0x1002 fat16 os0: sdstor0:int-lp-act-os 0x200
/vs/exfat 0x1000001 0x1002 fat16 vs0: sdstor0:int-lp-ign-vsh 0x300
/vd/exfat 0x1000001 0x10002 fat16 vd0: sdstor0:int-lp-ign-vshdata 0x400
/tm/exfat 0x1000001 0x10002 fat16 tm0: sdstor0:int-lp-ign-vtrm 0x500
/ur/exfat 0x1000001 0x50002 exfat ur0: sdstor0:int-lp-ign-user 0x600
/ud/exfat 0x1000001 0x10002 fat16 ud0: sdstor0:int-lp-ign-updater 0x700
/ux/exfat 0x2020001 0x30002 exfat ux0: External: sdstor0:xmc-lp-ign-userext
Internal: sdstor0:int-lp-ign-userext		 0x800
/gro/exfat 0x2010001 0x21002 exfat gro0: sdstor0:gcd-lp-ign-gamero 0x900
/grw/exfat 0x2010001 0x20002 exfat grw0: sdstor0:gcd-lp-ign-gamerw 0xA00
/sa/exfat 0x1000001 0x1002 fat16 sa0: sdstor0:int-lp-ign-sysdata 0xB00
/pd/exfat 0x1000001 0x1002 exfat pd0: sdstor0:int-lp-ign-pidata 0xC00
/imc/exfat 0x2020001 0x30002 exfat imc0: sdstor0:int-lp-ign-userext 0xD00
/xmc/exfat 0x2020001 0x30002 exfat xmc0: sdstor0:xmc-lp-ign-userext 0xE00
/uma/exfat 0x2030001 0x2 fat32 / exfat uma0: sdstor0:uma-pp-act-a, sdstor0:uma-lp-act-entire 0xF00
/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
/PD<rnd> 0x3 0x1001 PFS_GDSD_INF PD<rnd>0 0x0

Block Device Naming Rules

First level prefix: hardware device

  • int: internal eMMC
  • ext: device in game card slot
  • gcd: game card
  • mcd: device in memory card slot
  • uma: USB mass for PSTV (or pins on FAT PSVita)
  • usd: ?
  • xmc: external memory card

Second level prefix: partition table related?

  • lp - general.
  • pp - not general. cannot use on sceIoMount etc(need more test).

Third level prefix: active/inactive partition selection

  • ina: inactive
  • act: active
  • ign: ignore (for devices, that don't support this. but seems same to ina)

Fourth level prefix: partition

  • a
  • unused
  • idstor
  • sloader
  • os
  • vsh
  • vshdata
  • vtrm
  • user
  • userext
  • gamero
  • gamerw
  • updater
  • sysdata
  • mediaid
  • pidata
  • entire

Partition Block Devices

Each partition has numeric alias (string) that looks like to be used to reference the partition.

Numeric names most likely follow order of partitions in MBR.

To access device node use /dev prefix (like /dev/gcd-lp-ign-gamero).

In total there can be 16 aliases from 0 to 15 per physical device (eMMC, Game Card, Memory Card). Alias 16 is hardcoded and is called entire.

Aliases 0-15 correspond to eMMC.

Aliases 100-115 correspond to Game Card.

Aliases 200-215 correspond to Memory Card.

block device numeric name
int-lp-ign-idstor 000
int-lp-act-sloader/int-lp-ina-sloader 001
- 002
int-lp-act-os/int-lp-ina-os 003
- 004
int-lp-ign-sysdata 005
int-lp-ign-vtrm 006
int-lp-ign-vsh 007
int-lp-ign-vshdata 008
int-lp-ign-updater 009
int-lp-ign-pidata 010
int-lp-ign-user 011
int-lp-ign-userext 012
int-lp-act-entire 016
gcd-lp-ign-gamero, gcd-lp-act-mediaid (need to confirm) 100
gcd-lp-ign-gamerw (need to confirm) 101
ext-lp-act-entire 116
mcd-lp-act-mediaid 200
- 201
mcd-lp-act-entire 216

VFS Implementation

Information can be found on separate page VFS Implementation

Types


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;

//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
   io_scheduler* unk_54; // Game Card
   io_scheduler* unk_58; // Removable
   io_scheduler* unk_5C; // Host File System
   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 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 that is 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;

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

sceVopInactiveForDriver

Version NID
0.990-3.60 0x8FB94521

sceVopIoctlForDriver

Version NID
0.990-3.60 0x333C904D

sceVopGetstatForDriver

Version NID
0.990-3.60 0x50A63ACF

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 sceVopClsoeForDriver.

sceVopReadForDriver

Version NID
0.990-3.60 0x570388A5

sceVopWriteForDriver

Version NID
0.990-3.60 0x9A68378D

sceVopPreadForDriver

Version NID
0.990-3.60 0xABBC80E3

sceVopPwriteForDriver

Version NID
0.990-3.60 0xA53C040D

sceVopLseekForDriver

Version NID
0.990-3.60 0xB2B13818

sceVopMkdirForDriver

Version NID
0.990-3.60 0x2F3F8C70

sceVopRmdirForDriver

Version NID
0.990-3.60 0x1D551105

sceVopDopenForDriver

Version NID
0.990-3.60 0x00C9C2DD

sceVopDreadForDriver

Version NID
0.990-3.60 0x77584C8F

sceVopDcloseForDriver

Version NID
0.990-3.60 0x1350F5C7

sceVopChstatForDriver

Version NID
0.990-3.60 0x1974FA92

sceVopRenameForDriver

Version NID
0.990-3.60 0x36A794C7

sceVopSyncForDriver

Version NID
0.990-3.60 0x9CD96406

sceVfsOpDevctlForDriver

Version NID
0.990-3.60 0xB07B307D

sceVfsOpDecodePathElemForDriver

Version NID
0.990-3.60 0xF7DAC0F5 

// using for internal callback
typedef struct SceVfsPathElem { // size is 0x1C
	void *data_0x00;
	char *path;
	void *data_0x08;
	void *data_0x0C;
	void *data_0x10;
	int data_0x14;
	void *data_0x18;
} SceVfsPathElem;

sceIoMountForDriver

Version NID
3.60 0xD070BC48

operation index 1 in cond_ctx 

// intermediate function between sceAppMgrGameDataMountForDriver and sceVfsMount
int sceIoMountForDriver(int vshMountId, const char *path, int permission, 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 sceVfsUnmount
int sceIoUmountForDriver(int vshMountId, int unk1, int unk2, int unk3);

scePfsMgrVfsMountForDriver

Version NID
3.60 0xFEEE44A9

operation index 3 in cond_ctx 

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

scePfsMgrVfsUmountForDriver

Version NID
3.60 0xD220539D

operation index 4 in cond_ctx 

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

sceVfsNodeWaitEventFlagForDriver

Version NID
3.60 0xAA45010B

calls sceKernelWaitEventFlagForDriver using event_flag_SceVfsVnode from vfs_node 

int sceVfsNodeWaitEventFlagForDriver(vfs_node* node);

sceVfsNodeSetEventFlagForDriver

Version NID
0.990-3.60 0x6048F245

calls sceKernelSetEventFlagForDriver using event_flag_SceVfsVnode from vfs_node 

int sceVfsNodeSetEventFlagForDriver(vfs_node* node);

sceVfsUnmountForDriver

Version NID
1.69-3.60 0x9C7E7B76 
int sceVfsUnmountForDriver(vfs_unmount_data *data);

sceVfsDeleteVfsForDriver

Version NID
1.69-3.60 0x9CBFA725 
int sceVfsDeleteVfsForDriver(const char *name, void **deleted_node);

sceVfsAddVfsForDriver

Version NID
0.990-3.60 0x673D2FCD

Used by SceSdstor, SceTty2uart, SceKernelBlueScreenOfDeath 

int sceVfsAddVfsForDriver(vfs_add_data *data);

sceVfsMountForDriver

Version NID
0.990-3.60 0xB62DE9A6 
int sceVfsMountForDriver(vfs_mount_point_info_base* mnt);

sceVfsLockMntForDriver

Version NID
3.60 0x6B3CA9F7

sceVfsUnlockMntForDriver

Version NID
3.60 0xDC2D8BCE

sceVfsGetNewVnodeForDriver

Version NID
0.990-3.60 0xD60B5C63 
int sceVfsGetNewVnodeForDriver(vfs_mount* mount, node_ops2 *ops, int unused, vfs_node **node);

sceVfsGetVnodeNameForDriver

Version NID
0.990-3.60 0xAA253B68

sceVfsFreeVnodeForDriver

Version NID
0.990-3.60 0x21D57633

sceVfsFreeFileForDriver

Version NID
0.990-3.60 0xC85E33A2

sceIoRmdevForDriver

Version NID
0.990-3.60 0xA39A9CA7

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);

sceIoDreadForDriver_2

Version NID
3.60 0x03051B02

Derived from _vshIoDread

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

int sceIoDreadForDriver_2(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. 

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);

sceIoChstatForDriver_2

Version NID
3.60 0x1F98BD50

Derived from _vshIoChstat

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

int sceIoChstatForDriver_2(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);

sceIoGetstatForDriver_2

Version NID
3.60 0xD6503624

Derived from _vshIoGetstat

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

int sceIoGetstatForDriver_2(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
3.60 0x16882FC4

Derived from _sceIoDevctl 

// Return: >=0 on success (driver-dependent)
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

sceIoSyncByFdForDriver

Version NID
3.60 0x43170575

Derived from sceIoSyncByFd 

int sceIoSyncByFdForDriver(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

t_sceIoOpenForDriver

Version NID
3.60 0x0E518FA9

thread callback for sceIoOpenForDriver 

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

SceUID t_sceIoOpenForDriver(sceIoOpenForDriver_args* args);

t_sceIoCloseForDriver

Version NID
3.60 0x1AE14011

thread callback for sceIoCloseForDriver 

typedef struct sceIoCloseForDriver_args
{
  SceUID fd;
} sceIoCloseForDriver_args;

int t_sceIoCloseForDriver(sceIoCloseForDriver_args* args);

t_sceIoReadForDriver

Version NID
3.60 0x809892C1

thread callback for sceIoReadForDriver 

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

int t_sceIoReadForDriver(sceIoReadForDriver_args* args);

t_sceIoWriteForDriver

Version NID
3.60 0x8598ADC3

thread callback for sceIoWriteForDriver 

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

int t_sceIoWriteForDriver(sceIoWriteForDriver_args* args);

t_sceIoIoctlForDriver

Version NID
3.60 0xC1DD4317

thread callback for sceIoIoctlForDriver 

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

SceOff t_sceIoIoctlForDriver(sceIoIoctlForDriver *args);

t_sceIoChstatForDriver

Version NID
3.60 0xBCE4865B

thread callback for sceIoChstatForDriver 

typedef struct sceIoChstatForDriver_args
{
   const char *name;
   const SceIoStat *buf;
   unsigned int cbit;
   uint32_t store_attr;
} sceIoChstatForDriver_args;

SceOff t_sceIoChstatForDriver(sceIoChstatForDriver_args* args);

t_sceIoChstatByFdForDriver

Version NID
3.60 0x7517FE29

thread callback for sceIoChstatByFdForDriver 

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

int t_sceIoChstatByFdForDriver(sceIoChstatByFdForDriver_args* args);

t_sceIoPreadForDriver

Version NID
3.60 0x0B54F9E0

thread callback for sceIoPreadForDriver 

typedef struct sceIoPreadForDriver_args
{
   SceUID uid;
   void *data;
   int size;
   int dummy; //alignment
   SceOff offset;
} sceIoPreadForDriver_args;

int t_sceIoPreadForDriver(sceIoPreadForDriver_args* args);

t_sceIoPwriteForDriver

Version NID
3.60 0xE5DEA6B7

thread callback for sceIoPwriteForDriver 

typedef struct sceIoPwriteForDriver_args
{
   SceUID uid;
   const void *data;
   int size;
   int dummy; //alignment
   SceOff offset;
} sceIoPwriteForDriver_args;

int t_sceIoPwriteForDriver(sceIoPwriteForDriver_args* args);


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);

sceIoInvokeMountEventForDriver

Version NID
3.60 0x39ABDB9E

This function is guess name. 

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

unk_5B7E5AB8

Version NID
3.60 0x5B7E5AB8 
int unk_5B7E5AB8(int vshMountId, int a2);

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);

create_SceUIDVfsFileClass

Version NID
3.60 0xCDF3EF52

creates instance of SceUIDVfsFileClass using sceKernelCreateUidObjForKernel 

SceUID create_SceUIDVfsFileClass(int unk0, int unk1, const char *unk2);

sceVfsNodeInitializePartitionForDriver

Version NID
0.931-3.60 0xA5A6A55C

Also may be related to createFsCache.

sceIoGetThreadDefaultPriorityForSystemForDriver

Version NID
3.60 0x6D0FEDB6 
int sceIoGetThreadDefaultPriorityForSystemForDriver(void);

sceIoSetThreadDefaultPriorityForSystemForDriver

Version NID
3.60 0x3F0FF9D5

sceIoGetRemoteKPLSDataForDriver

Version NID
3.60 0x44EDCE57

This function is temp 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);

sceIoOpenInternalForDriver

Version NID
3.60 0x0E518FA9 
typedef struct SceIoOpenArgs {
	const char *path;
	int flags;
	SceMode mode;
} SceIoOpenArgs;

int sceIoOpenInternalForDriver(SceIoOpenArgs *args);

sceIoCloseInternalForDriver

Version NID
3.60 0x1AE14011 
typedef struct SceIoCloseArgs {
	SceUID fd;
} SceIoCloseArgs;

int sceIoCloseInternalForDriver(SceIoCloseArgs *args);

sceIoReadInternalForDriver

Version NID
3.60 0x809892C1 
typedef struct SceIoReadArgs {
	SceUID fd;
	void *data;
	SceSize size;
} SceIoReadArgs;

int sceIoReadInternalForDriver(SceIoReadArgs *args);

sceIoWriteInternalForDriver

Version NID
3.60 0x8598ADC3 
typedef struct SceIoWriteArgs {
	SceUID fd;
	const void *data;
	SceSize size;
} SceIoWriteArgs;

int sceIoWriteInternalForDriver(SceIoWriteArgs *args);

sceIoPreadInternalForDriver

Version NID
3.60 0x0B54F9E0 
typedef struct SceIoPreadArgs {
	SceUID fd;
	void *data;
	SceSize size;
	int dummy;
	SceOff offset;
} SceIoPreadArgs;

int sceIoPreadInternalForDriver(SceIoPreadArgs *args);

sceIoPwriteInternalForDriver

Version NID
3.60 0xE5DEA6B7 
typedef struct SceIoPwriteArgs {
	SceUID fd;
	const void *data;
	SceSize size;
	int dummy;
	SceOff offset;
} SceIoPwriteArgs;

int sceIoPwriteInternalForDriver(SceIoPwriteArgs *args);

sceIoChstatInternalForDriver

Version NID
3.60 0xBCE4865B 
typedef struct SceIoChstatArgs {
	const char *path;
	const SceIoStat *buf;
	unsigned int cbit;
	int dummy;
} SceIoChstatArgs;

int sceIoChstatInternalForDriver(SceIoChstatArgs *args);

sceIoChstatByFdInternalForDriver

Version NID
3.60 0x7517FE29 
typedef struct SceIoChstatByFdArgs {
	SceUID fd;
	const SceIoStat *buf;
	unsigned int cbit;
} SceIoChstatByFdArgs;

int sceIoChstatByFdInternalForDriver(SceIoChstatByFdArgs *args);

sceIoIoctlInternalForDriver

Version NID
3.60 0xC1DD4317 
int sceIoIoctlInternalForDriver(void *args);

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);

sceIoComparisonCurrentThreadIdForDriver

Version NID
3.60 0xC3AE93A2 
int sceIoComparisonCurrentThreadIdForDriver(void *ctx);

sceIoGetGUIDErrorEventListForDriver

Version NID
3.60 0xDD46CD63

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
1.69-3.60 0x515AC017 
typedef struct sceIoDevctlOpt
{
   uint32_t unk_0;
   uint32_t unk_4;
   uint32_t unk_8;
   uint32_t unk_C;
   uint32_t unk_10;
   uint32_t unk_14;
} sceIoDevctlOpt;

int _sceIoDevctl(const char *dev, unsigned int cmd, void *indata, sceIoDevctlOpt *args, int inlen, void *outdata, int outlen);

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);

_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);

_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);

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);

Device Drivers

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