Incoming transactions on slave ports, cache maintenance operation via the control port, as well as the current cache line state determine the kind of transactions output on the CCIX interface, if any at all. The following tables show all types of events. Note that some of the write related events actually appear on the read channel.
| Event | Request | Memory | Request |
|---|---|---|---|
| Read Miss not Allocating | ReadNoSnp | Device-nRnE Device-nRE Non-Cached |
0x00 |
| Read Miss not Allocating (coherent) | ReadOnce | WBnA | 0x01 |
| Read Miss Allocating | ReadShared | WBA | 0x07 |
| Read Hit (any type) | No bus event | ||
| Write Miss Allocating | ReadUnique | WBnA/WBA | 0x04 |
| Write Hit Shared | CleanUnique | WBnA/WBA | 0x10 |
| Event | Request | Memory | Request |
|---|---|---|---|
| Write Miss not Allocating | WriteNoSnp | Device-nRnE Device-nRE Non-Cached |
0x20 |
| Write Miss not Allocating (coherent) | WriteUnique | WBnA | 0x22 |
| Evicting Dirty Line 1 | WriteBack | WBA | 0x27 |
| Write Hit Unique | No bus event | ||
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