Difference between revisions of "Services API"

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Services are system processes running in the background which wait for incoming requests. When a process wants to communicate with a service, it first needs to get a handle to the named service, and then it can communicate with the service via inter-process communication (each service has a name up to 8 characters).
 
Services are system processes running in the background which wait for incoming requests. When a process wants to communicate with a service, it first needs to get a handle to the named service, and then it can communicate with the service via inter-process communication (each service has a name up to 8 characters).
  
−
Handles for services are retrieved from the service manager port, "sm:". Services are an abstraction of ports, they operate the same way except regular ports can have their handles retrieved directly from a SVC.
+
Handles for services are retrieved from the service manager port, "sm:". Manager service "sm:m" also exists. Services are an abstraction of ports, they operate the same way except regular ports can have their handles retrieved directly from a SVC.
  
 
= sm: =
 
= sm: =
Line 14: Line 14:
 
| 2 || [[#RegisterService]]
 
| 2 || [[#RegisterService]]
 
|-
 
|-
−
| 3 ||
+
| 3 || [[#UnregisterService]]
 
|}
 
|}
  
Line 72: Line 72:
 
| 4 || Unknown bool
 
| 4 || Unknown bool
 
|}
 
|}
 +
 +
== UnregisterService ==
 +
{| class="wikitable" border="1"
 +
|-
 +
! Word || Value
 +
|-
 +
| 0 || 0x00000004
 +
|-
 +
| 1 || 0x0000000A
 +
|- style="border-top: double"
 +
| 0 || "SFCI"
 +
|-
 +
| 1 || 0x00000003
 +
|-
 +
| 2 || Service name, zero padded and casted to u64.
 +
|}
 +
 +
= sm:m =
 +
This service is presumably equivalent to 3DS "srv:pm".
  
 
= Service List =
 
= Service List =
Line 80: Line 99:
 
! scope="col" width="200" | Notes
 
! scope="col" width="200" | Notes
 
|-
 
|-
−
| acc:u1, acc:aa, acc:su
+
| acc:u0, acc:u1, acc:aa, acc:su
 
| [[Account services]]
 
| [[Account services]]
−
| u1: User, su: Admin
+
| u0: System, u1: User, su: Admin, aa: Baas
 
|-
 
|-
−
| aoc:u
+
| ahid:cd, ahid:hdr, hid, hid:dbg, hid:sys, (htc?), irs, irs:sys, xcd:sys
−
| AddOn Content services  
+
| [[HID services]]
 
|
 
|
 
|-
 
|-
−
| appletAE, appletOE
+
| appletAE, appletOE, idle:sys, omm, spsm
−
| Applet services
+
| Applet services, [[OMM services]]
 
|
 
|
 
|-
 
|-
−
| apm, apm:p, apm:sys
+
| aoc:u, mii:u, mii:e, ns:am, ns:su, ns:dev, pl:u, ovln:rcv, ovln:snd, pdm:ntfy, pdm:qry
−
| ?
+
| [[NS Services]]
 +
| am: Application Manager, su: System Update
 +
|-
 +
| apm, apm:p, apm:sys, fgm, fgm:0, fgm:9, (fgm:dbg?)
 +
| [[APM services]]
 
|
 
|
 
|-
 
|-
−
| arp:r, arp:w
+
| arp:r, arp:w, bgtc:t, bgtc:sc
−
| Activity Report services?
+
| Glue services
 
| r: Reader, w: Writer
 
| r: Reader, w: Writer
 
|-
 
|-
−
| audin:a, audin:d, audin:u, audout:a, audout:d, audout:u, audren:a, audren:d, audren:u
+
| audin:a, audin:d, audin:u, audout:a, audout:d, audout:u, audren:a, audren:d, audren:u, audrec:a, audrec:d, audrec:u, audctl, codecctl, hwopus
 
| Audio services
 
| Audio services
 
|
 
|
 
|-
 
|-
−
| bgtc:t, bgtc:sc
+
| <nowiki>bcat:a, bcat:u, bcat:m, bcat:s, news:a, news:c, news:m, news:p, news:v, prepo:u, prepo:s, prepo:m, prepo:a</nowiki>
−
| Task services
+
| [[BCAT services]]
 
|
 
|
 
|-
 
|-
−
| bpc, bpc:r
+
| bpc, bpc:r, pcv, pcv:imm, time:u, time:a, time:s
−
| ?
+
| [[BPC services]]
−
|  
+
|
 
|-
 
|-
−
| bsd:u, bsd:s
+
| bsd:u, bsd:s, bsdcfg, ethc:c, ethc:i, nsd:u, nsd:a, sfdnsres
−
| Sockets services
+
| [[Sockets services]], [[NSD services]]
 
|
 
|
 +
|-
 +
| btdrv
 +
| Bluetooth Driver services
 +
|
 
|-
 
|-
 
| btm, btm:dbg, btm:sys
 
| btm, btm:dbg, btm:sys
−
| Bluetooth services?
+
| Battery services
 +
|
 +
|-
 +
| caps:a, caps:c
 +
| [[Capture services]]
 +
| a: AlbumAccessor, c: AlbumControl
 +
|-
 +
| caps:sc, caps:ss, mm:u, vi:m, vi:s, vi:u, cec-mgr
 +
| [[Display services]]
 
|  
 
|  
 
|-
 
|-
−
| caps:a, caps:c, caps:sc, caps:ss
+
| csrng
−
| Capture services
+
| [[Secure RNG services]]
−
| a: Album, ss: Screenshot
+
|
 +
|-
 +
| dispdrv
 +
| Nvnflinger services
 +
|
 
|-
 
|-
 
| erpt:c, erpt:r
 
| erpt:c, erpt:r
Line 129: Line 168:
 
|-
 
|-
 
| es
 
| es
−
| ETicket services?
+
| ETicket services
 
|
 
|
 
|-
 
|-
−
| fan
+
| fan, psm, tc, ts
−
| ?
+
| PTM services
−
|  
+
|
 
|-
 
|-
 
| fatal:u, fatal:p
 
| fatal:u, fatal:p
 
| Fatal Error services
 
| Fatal Error services
−
| u: User, p: Privileged?
+
| u: User, p: Privileged
−
|-
 
−
| fgm
 
−
| ?
 
−
|
 
 
|-
 
|-
 
| friend:u, friend:v, friend:m, friend:s, friend:a
 
| friend:u, friend:v, friend:m, friend:s, friend:a
Line 152: Line 187:
 
| srv: Main, ldr: Loader, pr: Program Registry
 
| srv: Main, ldr: Loader, pr: Program Registry
 
|-
 
|-
−
| gpio
+
| gpio, i2c, i2c:pcv, pinmux, pwm, uart
−
| GPIO services
+
| [[Bus services]]
−
|
 
−
|-
 
−
| hid, hid:dbg, hid:sys
 
−
| [[HID services]]
 
 
|
 
|
−
|-
 
−
| i2c, i2c:pcv
 
−
| I2C services
 
−
|
 
−
|-
 
−
| irs, irs:sys
 
−
| IR Sensor services?
 
−
|
 
 
|-
 
|-
 
| lbl
 
| lbl
−
| ?
+
| [[Backlight services]]
 
|  
 
|  
 
|-
 
|-
Line 176: Line 199:
 
|
 
|
 
|-
 
|-
−
| ldr:pm, ldr:ro, ldr:shel
+
| ldr:pm, ldr:ro, ldr:shel, ldr:dmnt
 
| [[Loader services]]
 
| [[Loader services]]
 
|
 
|
Line 184: Line 207:
 
|
 
|
 
|-
 
|-
−
| lr
+
| lr, ncm, ncm:v
−
| ?
+
| [[Location Resolver services]]
−
|
 
−
|-
 
−
| mii:u, mii:e
 
−
| Mii services
 
 
|
 
|
 
|-
 
|-
−
| ncm
+
| nfc:am, nfc:mf:u, nfc:user, nfc:sys
−
| Content Manager services
+
| NFC services
 
|  
 
|  
 
|-
 
|-
Line 200: Line 219:
 
|  
 
|  
 
|-
 
|-
−
| nim, nim:shp
+
| nim, nim:shp, ntc
−
| NIM services
+
| [[NIM services]]
 
| shp: eShop
 
| shp: eShop
 
|-
 
|-
 
| npns:u, npns:s
 
| npns:u, npns:s
−
| ?
+
| NPNS services
 
|
 
|
 
|-
 
|-
−
| ns:am, ns:su, ns:dev
+
| nvdrv:a, nvdrv:s, nvdrv:t, nvdrv, nvdrvdbg, nvgem:c, nvgem:cd, nvmemp
−
| [[NS Services]]
 
−
| am: Application Manager, su: System Update
 
−
|-
 
−
| nsd:u, nsd:a
 
−
| [[NSD services]]
 
−
|
 
−
|-
 
−
| ntc
 
−
| ?
 
−
|
 
−
|-
 
−
| nvdrv:a, nvdrv:s, nvdrv:t, nvmemp, mm:u
 
 
| [[NV services]]
 
| [[NV services]]
 
|
 
|
−
|-
 
−
| omm
 
−
| ?
 
−
|
 
−
|-
 
−
| ovln:rcv, ovln:snd
 
−
| Overlay Notification services
 
−
| rcv: Receiver, snd: Sender
 
 
|-
 
|-
 
| pcie
 
| pcie
−
| PCIe services
+
| [[PCIe services]]
−
|  
+
|
 
|-
 
|-
 
| pctl, pctl:a, pctl:s, pctl:r
 
| pctl, pctl:a, pctl:s, pctl:r
Line 240: Line 239:
 
|
 
|
 
|-
 
|-
−
| pcv, pcv:imm
+
| pm:bm, pm:info, pm:shell
−
| ?
 
−
|
 
−
|-
 
−
| pdm:ntfy, pdm:qry
 
−
| Play Log services
 
−
|
 
−
|-
 
−
| pl:u
 
−
| Shared Font services
 
−
|
 
−
|-
 
−
| pm:bm, pm:shell
 
 
| [[Process Manager services]]
 
| [[Process Manager services]]
 
|
 
|
 
|-
 
|-
−
| prepo:u, prepo:s, prepo:m, prepo:a
+
| psc:c, psc:m
−
| [[Play Report services]]
+
| PSC services
−
|
 
−
|-
 
−
| psm
 
−
| ?
 
−
|
 
−
|-
 
−
| pwm
 
−
| ?
 
 
|  
 
|  
 
|-
 
|-
 
| set, set:fd, set:cal, set:sys
 
| set, set:fd, set:cal, set:sys
 
| [[Settings services]]
 
| [[Settings services]]
−
| cal: Calendar?, sys: System Settings
+
| cal: calibration, sys: System Settings
−
|-
 
−
| sfdnsres
 
−
| DNS resolver services
 
−
|
 
−
|-
 
−
| spsm
 
−
| ?
 
−
|
 
 
|-
 
|-
 
| ssl
 
| ssl
−
| SSL services
+
| [[SSL services]]
 
|
 
|
 
|-
 
|-
−
| tc
+
| spl:
−
| ?
+
| [[SPL services]]
 
|  
 
|  
 
|-
 
|-
−
| time:u, time:a, time:s
+
| usb:ds, usb:hs, usb:pd, usb:pd:c, usb:pm
−
| Time services
+
| USB services
−
|
 
−
|-
 
−
| ts
 
−
| ?
 
 
|  
 
|  
 
|-
 
|-
−
| uart
+
| wlan:inf, wlan:lcl, wlan:lg, wlan:lga, wlan:sg, wlan:soc
−
| UART services
+
| WLAN services
−
|
 
−
|-
 
−
| vi:m, vi:s, vi:u
 
−
| [[Display services]]
 
 
|
 
|
 
|}
 
|}
 +
 +
[[Category:Services]]

Latest revision as of 21:23, 12 July 2017

Services are system processes running in the background which wait for incoming requests. When a process wants to communicate with a service, it first needs to get a handle to the named service, and then it can communicate with the service via inter-process communication (each service has a name up to 8 characters).

Handles for services are retrieved from the service manager port, "sm:". Manager service "sm:m" also exists. Services are an abstraction of ports, they operate the same way except regular ports can have their handles retrieved directly from a SVC.

sm:

Cmd Name
0 #Initialize
1 #GetService
2 #RegisterService
3 #UnregisterService

Initialize

Word Value
0 0x00000004
1 0x8000000A
2 0x00000001
0-1 Pid
0 "SFCI"
1 0x00000000
2 Always 0.

GetService

Word Value
0 0x00000004
1 0x0000000A
0 "SFCI"
1 0x00000001
2 Service name, zero padded and casted to u64.

RegisterService

Word Value
0 0x00000004
1 0x0000000C
0 "SFCI"
1 0x00000002
2 Service name, zero padded and casted to u64.
3 Max sessions? 32-bit integer.
4 Unknown bool

UnregisterService

Word Value
0 0x00000004
1 0x0000000A
0 "SFCI"
1 0x00000003
2 Service name, zero padded and casted to u64.

sm:m

This service is presumably equivalent to 3DS "srv:pm".

Service List

Service names Description Notes
acc:u0, acc:u1, acc:aa, acc:su Account services u0: System, u1: User, su: Admin, aa: Baas
ahid:cd, ahid:hdr, hid, hid:dbg, hid:sys, (htc?), irs, irs:sys, xcd:sys HID services
appletAE, appletOE, idle:sys, omm, spsm Applet services, OMM services
aoc:u, mii:u, mii:e, ns:am, ns:su, ns:dev, pl:u, ovln:rcv, ovln:snd, pdm:ntfy, pdm:qry NS Services am: Application Manager, su: System Update
apm, apm:p, apm:sys, fgm, fgm:0, fgm:9, (fgm:dbg?) APM services
arp:r, arp:w, bgtc:t, bgtc:sc Glue services r: Reader, w: Writer
audin:a, audin:d, audin:u, audout:a, audout:d, audout:u, audren:a, audren:d, audren:u, audrec:a, audrec:d, audrec:u, audctl, codecctl, hwopus Audio services
bcat:a, bcat:u, bcat:m, bcat:s, news:a, news:c, news:m, news:p, news:v, prepo:u, prepo:s, prepo:m, prepo:a BCAT services
bpc, bpc:r, pcv, pcv:imm, time:u, time:a, time:s BPC services
bsd:u, bsd:s, bsdcfg, ethc:c, ethc:i, nsd:u, nsd:a, sfdnsres Sockets services, NSD services
btdrv Bluetooth Driver services
btm, btm:dbg, btm:sys Battery services
caps:a, caps:c Capture services a: AlbumAccessor, c: AlbumControl
caps:sc, caps:ss, mm:u, vi:m, vi:s, vi:u, cec-mgr Display services
csrng Secure RNG services
dispdrv Nvnflinger services
erpt:c, erpt:r Error Report services
es ETicket services
fan, psm, tc, ts PTM services
fatal:u, fatal:p Fatal Error services u: User, p: Privileged
friend:u, friend:v, friend:m, friend:s, friend:a Friend services
fsp-srv, fsp-ldr, fsp-pr Filesystem services srv: Main, ldr: Loader, pr: Program Registry
gpio, i2c, i2c:pcv, pinmux, pwm, uart Bus services
lbl Backlight services
ldn:m, ldn:s, ldn:u Local Network Monitor services
ldr:pm, ldr:ro, ldr:shel, ldr:dmnt Loader services
lm Log services
lr, ncm, ncm:v Location Resolver services
nfc:am, nfc:mf:u, nfc:user, nfc:sys NFC services
nifm:u, nifm:a, nifm:s Network Interface services
nim, nim:shp, ntc NIM services shp: eShop
npns:u, npns:s NPNS services
nvdrv:a, nvdrv:s, nvdrv:t, nvdrv, nvdrvdbg, nvgem:c, nvgem:cd, nvmemp NV services
pcie PCIe services
pctl, pctl:a, pctl:s, pctl:r Parental Control services
pm:bm, pm:info, pm:shell Process Manager services
psc:c, psc:m PSC services
set, set:fd, set:cal, set:sys Settings services cal: calibration, sys: System Settings
ssl SSL services
spl: SPL services
usb:ds, usb:hs, usb:pd, usb:pd:c, usb:pm USB services
wlan:inf, wlan:lcl, wlan:lg, wlan:lga, wlan:sg, wlan:soc WLAN services
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