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4,816 bytes added ,  04:24, 21 June 2021
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Linked to oh0
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Appears to be a way to address usb devices via EHCI (USB 2.0). This doesn't seem to be implemented in retail Wiis.
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Appears to be a way to address usb devices via EHCI (USB 2.0). This driver has only been seen in IOS58.  The interface appears to resemble that of [[:/dev/usb/oh0]].
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== Devices ==
 
== Devices ==
 
=== /dev/usb/ehc/0b95/7720 ===
 
=== /dev/usb/ehc/0b95/7720 ===
 
  ASIX AX88772 USB2.0 to Fast Ethernet Adapter (referenced in IOS eth driver)
 
  ASIX AX88772 USB2.0 to Fast Ethernet Adapter (referenced in IOS eth driver)
   −
[[Category:Wii Filesystem]]
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== IPC request list ==
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{| class="wikitable"
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! style="vertical-align: top;" |number
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! style="vertical-align: top;" |name
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! style="vertical-align: top;" |Description
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|-
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| style="vertical-align: top;" |0x01
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| style="vertical-align: top;" |IOS_OPEN
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| style="vertical-align: top;" |Opens the device. Can only be opened from PID 17 (USB_VEN) otherwise returns -1. Returns 0 if success. Returns 1 if device already open (not confirmed)
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|-  style="background-color: #eee;"
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| style="vertical-align: top;" |0x02
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| style="vertical-align: top;" |IOS_CLOSE
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| style="vertical-align: top;" |Closes the device. Returns 0 always.
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|-
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| style="vertical-align: top;" |0x03
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| style="vertical-align: top;" |IOS_READ
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| style="vertical-align: top;" |Does nothing. Returns -4.
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|-  style="background-color: #eee;"
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| style="vertical-align: top;" |0x04
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| style="vertical-align: top;" |IOS_WRITE
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| style="vertical-align: top;" |Does nothing. Returns -4.
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|-
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| style="vertical-align: top;" |0x05
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| style="vertical-align: top;" |IOS_IOCTL
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| style="vertical-align: top;" |Does nothing. Returns -4.
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|-  style="background-color: #eee;"
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| style="vertical-align: top;" |0x06
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| style="vertical-align: top;" |IOS_IOCTLV
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| style="vertical-align: top;" |Send an ioctl request.
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|}
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== IOS Ioctlv list ==
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{{stub}}
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{| class="wikitable"
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! style="vertical-align: top;" |number
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! style="vertical-align: top;" |name
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! style="vertical-align: top;" |in count
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! style="vertical-align: top;" |out count
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! style="vertical-align: top;" |vec entry target
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! style="vertical-align: top;" |vec entry size [bytes]
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! style="vertical-align: top;" |Description
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|-
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| style="vertical-align: top;" |0x00
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| style="vertical-align: top;" |?
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| style="vertical-align: top;" |0
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| style="vertical-align: top;" |0
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| style="vertical-align: top;" |?
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| style="vertical-align: top;" |?
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| style="vertical-align: top;" |Sets ioctlv.vector[0].addr to 0x20001 and returns 0 ??
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|-  style="background-color: #eee;"
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| style="vertical-align: top;" |0x01
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| style="vertical-align: top;" |?
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| style="vertical-align: top;" |0
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| style="vertical-align: top;" |0
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| style="vertical-align: top;" |?
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| style="vertical-align: top;" |?
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| style="vertical-align: top;" |?
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|-
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| style="vertical-align: top;" |0x02
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| style="vertical-align: top;" |?
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| style="vertical-align: top;" |0
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| style="vertical-align: top;" |0
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| style="vertical-align: top;" |?
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| style="vertical-align: top;" |?
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| style="vertical-align: top;" |Reads a stored IPC request. If not NULL, replies to it. If NULL, replies to the current request (always replies with zero). ??
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|-  style="background-color: #eee;"
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| style="vertical-align: top;" |0x03
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| style="vertical-align: top;" |?
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| style="vertical-align: top;" |0
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| style="vertical-align: top;" |0
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| style="vertical-align: top;" |?
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| style="vertical-align: top;" |?
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| style="vertical-align: top;" |?
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|-
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| style="vertical-align: top;" |0x04
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| style="vertical-align: top;" |?
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| style="vertical-align: top;" |0
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| style="vertical-align: top;" |0
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| style="vertical-align: top;" |?
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| style="vertical-align: top;" |?
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| style="vertical-align: top;" |?
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|-  style="background-color: #eee;"
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| style="vertical-align: top;" |0x05
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| style="vertical-align: top;" |?
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| style="vertical-align: top;" |0
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| style="vertical-align: top;" |0
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| style="vertical-align: top;" |?
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| style="vertical-align: top;" |?
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| style="vertical-align: top;" |?
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|-
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| style="vertical-align: top;" |0x06
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| style="vertical-align: top;" |?
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| style="vertical-align: top;" |0
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| style="vertical-align: top;" |0
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| style="vertical-align: top;" |?
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| style="vertical-align: top;" |?
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| style="vertical-align: top;" |?
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|-  style="background-color: #eee;"
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| style="vertical-align: top;" |0x10
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| style="vertical-align: top;" |?
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| style="vertical-align: top;" |0
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| style="vertical-align: top;" |0
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| style="vertical-align: top;" |?
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| style="vertical-align: top;" |?
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| style="vertical-align: top;" |?
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|-
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| style="vertical-align: top;" |0x11
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| style="vertical-align: top;" |?
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| style="vertical-align: top;" |0
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| style="vertical-align: top;" |0
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| style="vertical-align: top;" |?
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| style="vertical-align: top;" |?
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| style="vertical-align: top;" |?
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|-  style="background-color: #eee;"
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| style="vertical-align: top;" |0x13
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| style="vertical-align: top;" |?
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| style="vertical-align: top;" |0
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| style="vertical-align: top;" |0
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| style="vertical-align: top;" |?
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| style="vertical-align: top;" |?
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| style="vertical-align: top;" |?
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|-  style="background-color: #eee;"
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| style="vertical-align: top;" |0x14
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| style="vertical-align: top;" |?
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| style="vertical-align: top;" | 0x10
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| style="vertical-align: top;" |0
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| style="vertical-align: top;" |?
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| style="vertical-align: top;" |?
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| style="vertical-align: top;" | Send USB command 0x08 data offset, 0x0C transfer length
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|}
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[[Category:IOS API documentation]]
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