Request[edit]
| Index Word
|
Description
|
| 0
|
Header code [0x004E0204]
|
| 1
|
File handle lower word
|
| 2
|
File handle upper word
|
| 3
|
Offset lower word
|
| 4
|
Offset upper word
|
| 5
|
Size of write buffer
|
| 6
|
Alignment size (always 0x00001000)
|
| 7
|
Size of hashtable
|
| 8
|
Flush flags
|
| 9
|
(size of hashtable << 8) | 6
|
| 10
|
Pointer to hashtable
|
| 11
|
(size of write buffer << 8) | 0x14
|
| 12
|
Pointer to write buffer
|
Response[edit]
| Index Word
|
Description
|
| 0
|
Header code
|
| 1
|
Result code
|
| 2
|
Size written
|
| 3
|
4
|
The data written are stored in the write buffer. For each 0x1000-byte block written, a SHA256 hash of the block is stored in the hashtable.
It is unknown how hashing behaves if the write offset/size are not aligned to a 0x1000-byte boundary.