TCMU_MAILBOX_FLAG_CAP_OOOC was introduced, and userspace can check the flag for out-of-order completion capability support. Also update the document on how to use the feature.
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| @@ -41,6 +41,7 @@ · 40 unmodified lines | |||
| 41 | 41 | ||
| 42 | #define TCMU_MAILBOX_VERSION 2 | 42 | #define TCMU_MAILBOX_VERSION 2 |
| 43 | #define ALIGN_SIZE 64 /* Should be enough for most CPUs */ | 43 | #define ALIGN_SIZE 64 /* Should be enough for most CPUs */ |
| 44 | #define TCMU_MAILBOX_FLAG_CAP_OOOC (1 << 0) /* Out-of-order completions */ | ||
| 44 | 45 | ||
| 45 | struct tcmu_mailbox { | 46 | struct tcmu_mailbox { |
| 46 | __u16 version; | 47 | __u16 version; |