2,939
edits
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→Raw data portion
| ... || Padding to align to 16
| ... || Padding to align to 16
|-
|-
| ... || Domain header padded to 16 if required
| ... || [[IPC_Marshalling#Domain_header|Domain header]] padded to 16 if required
|-
|-
| +0 || Magic ("SFCI" for requests, "SFCO" for responses) as u64
| +0 || Magic ("SFCI" for requests, "SFCO" for responses) as u64
|-
|-
| ... || Any u16 buffer sizes packed and aligned to 2 bytes
| ... || Any u16 buffer sizes packed and aligned to 2 bytes
|}
=== Domain header ===
This is an optional header used to wrap up requests sent to domains instead of sessions.
{| class="wikitable" border="1"
! Word || Bits || Description
|-
| 0 || 15-0 || Always 1.
|-
| 0 || 31-16 || Request size (0x10 bytes for SFCI magic and cmd ID, plus size of input parameters).
|-
| 1 || || Domain ID (from cmd 0 in [[IPC_Marshalling#Control|Control]]).
|}
|}