/dev/net/kd/request
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KD is the IOS module responsible for implementing WiiConnect24 functionality. It can perform HTTP(S) downloads, send and receive mail via SMTP, and execute a JavaScript-like language while the Wii is in standby mode.
Ioctl listing
Inbuf addr & 3 is written to outbuf for most or all ioctls.
| Request number | Name | Input | Output | Notes |
|---|---|---|---|---|
| 1 | ExecSuspendScheduler | none | 4 bytes | |
| 2 | ExecTrySuspendScheduler | 32 bytes | 32 bytes | |
| 3 | ExecResumeScheduler | none | 4+ bytes | |
| 4 | KD_GetTimeTriggers | ? | 12 bytes | Writes the time triggers for the minutes of the hour for when KD_Download and KD_CheckMail are triggered to outbuf + 4. |
| 5 | ? | ? | 4+ bytes | |
| 6 | NWC24iStartupSocket | none | 32 bytes | |
| 7 | NWC24iCleanupSocket | none | 32 bytes | |
| 8 | NWC24iLockSocket | none | 32 bytes | |
| 9 | NWC24iUnlockSocket | none | 32 bytes | |
| 0xa | NWC24iCheckMailNow | none | 32 bytes | |
| 0xb | NWC24iSendMailNow | none | 8+ bytes | Connect and send mail? |
| 0xc | NWC24iReceiveMailNow | ? | 8+ bytes | |
| 0xd | NWC24iSaveMailNow | none | 32 bytes | Saves temporary dlcnt.bin mail content to wc24recv.mbx immediately. Actual outbuf size is 4, outbuf+0 is KD_SaveMail/KD_ProcessMail retval. |
| 0xe | NWC24iDownloadNowEx | 32 bytes | 32 bytes | inbuf + 0 u32 is flags, inbuf + 6 u16 is nwc24dl.bin entry index, inbuf + 8 u32 is subTask bitmask. Starting at outbuf + 8 is a buffer of unknown size. Flags bit 1 must be set to manually specify a task/entry. When clear, a task is chosen automatically with the same mechanism used for choosing a task in the background.(When bit 1 is clear with this ioctl from Broadway, nothing will be downloaded since no entries will be ready for download due to dl frequencies fields.) subTask bitmap is a bitmap of subTasks to download when flags bit 2 is set, so setting bit 0 will download subTask zero, and so on. When flags is negative with bit 31 set, KD will sync the current UTC time with the time server. Outbuf+0 is KD_Download retval. |
| 0xf | NWC24iRequestGenerateUserId | none | 32 bytes | |
| 0x10 | NWC24iRequestRegisterUserId | none | 32 bytes | |
| 0x1e | NWC24iGetSchedulerStat | none | none | |
| 0x1f | NWC24iSetFilterMode | 32 bytes | 32 bytes | |
| 0x20 | NWC24iSetDebugMode | 32 bytes | 32 bytes | |
| 0x21 | KD_SetNextWakeup | 4 bytes | 4 bytes | Input is a u32 determining the seconds till next time STM_Wakeup is called. |
| 0x22 | NWC24iSetScriptMode | 32 bytes | 32 bytes | |
| 0x28 (async?) | NWC24iRequestShutdown | 32 bytes | 32 bytes | Input is a u32 for the event type. This shuts down all KD processes that are running, downloading, mail, NAND writing, etc. This is probably called by IOS when the STM shutdown ioctls are used? |
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