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== Marshall Portion ==
== IPC Command Structure ==
This is an array of u32's.
This is an array of u32's.
|-
|-
| ... || || Type W descriptors, each one 3 words.
| ... || || Type W descriptors, each one 3 words.
|-
| ... || || Padding
|-
| ... || || Raw data
|-
| ... || || Buf C descriptors, each one 2 words.
|}
|}
|}
|}
== Data Portion ==
== Raw data porton ==
This is an array of u64's placed after the marshall header. But it's always aligned to 16 so sometimes there is padding words inserted inbetween.
This is an array of u64's. It's always aligned to 16 so sometimes there is padding words before it.
{| class="wikitable" border="1"
{| class="wikitable" border="1"
! Word || Description
! Word || Description
|-
|-
| 0 || Magic ("SFCI")
| 0 || Magic ("SFCI" for requests, "SCFO" for responses)
|-
|-
| 1 || Cmd id
| 1 || Cmd id