diff options
Diffstat (limited to 'include/block/nbd.h')
| -rw-r--r-- | include/block/nbd.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/block/nbd.h b/include/block/nbd.h index da6e305dd5..92d1723d7c 100644 --- a/include/block/nbd.h +++ b/include/block/nbd.h @@ -197,6 +197,11 @@ enum { #define NBD_REPLY_TYPE_ERROR NBD_REPLY_ERR(1) #define NBD_REPLY_TYPE_ERROR_OFFSET NBD_REPLY_ERR(2) +static inline bool nbd_reply_type_is_error(int type) +{ + return type & (1 << 15); +} + /* NBD errors are based on errno numbers, so there is a 1:1 mapping, * but only a limited set of errno values is specified in the protocol. * Everything else is squashed to EINVAL. @@ -214,6 +219,11 @@ enum { struct NBDExportInfo { /* Set by client before nbd_receive_negotiate() */ bool request_sizes; + + /* In-out fields, set by client before nbd_receive_negotiate() and + * updated by server results during nbd_receive_negotiate() */ + bool structured_reply; + /* Set by server results during nbd_receive_negotiate() */ uint64_t size; uint16_t flags; @@ -284,4 +294,6 @@ static inline bool nbd_reply_is_structured(NBDReply *reply) return reply->magic == NBD_STRUCTURED_REPLY_MAGIC; } +const char *nbd_reply_type_lookup(uint16_t type); + #endif |