diff options
Diffstat (limited to 'docs/interop/nbd.txt')
| -rw-r--r-- | docs/interop/nbd.txt | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/docs/interop/nbd.txt b/docs/interop/nbd.txt index 77b5f45911..fc64473e02 100644 --- a/docs/interop/nbd.txt +++ b/docs/interop/nbd.txt @@ -15,7 +15,6 @@ Qemu supports the "base:allocation" metadata context as defined in the NBD protocol specification, and also defines an additional metadata namespace "qemu". - == "qemu" namespace == The "qemu" namespace currently contains only one type of context, @@ -36,3 +35,21 @@ in addition to "qemu:dirty-bitmap:<dirty-bitmap-export-name>": namespace. * "qemu:dirty-bitmap:" - returns list of all available dirty-bitmap metadata contexts. + += Features by version = + +The following list documents which qemu version first implemented +various features (both as a server exposing the feature, and as a +client taking advantage of the feature when present), to make it +easier to plan for cross-version interoperability. Note that in +several cases, the initial release containing a feature may require +additional patches from the corresponding stable branch to fix bugs in +the operation of that feature. + +* 2.6: NBD_OPT_STARTTLS with TLS X.509 Certificates +* 2.8: NBD_CMD_WRITE_ZEROES +* 2.10: NBD_OPT_GO, NBD_INFO_BLOCK +* 2.11: NBD_OPT_STRUCTURED_REPLY +* 2.12: NBD_CMD_BLOCK_STATUS for "base:allocation" +* 3.0: NBD_OPT_STARTTLS with TLS Pre-Shared Keys (PSK), +NBD_CMD_BLOCK_STATUS for "qemu:dirty-bitmap:", NBD_CMD_CACHE |