diff options
Diffstat (limited to 'include/block/nbd.h')
| -rw-r--r-- | include/block/nbd.h | 37 |
1 files changed, 28 insertions, 9 deletions
diff --git a/include/block/nbd.h b/include/block/nbd.h index 90923747d3..4a22eca98b 100644 --- a/include/block/nbd.h +++ b/include/block/nbd.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2016 Red Hat, Inc. + * Copyright (C) 2016-2017 Red Hat, Inc. * Copyright (C) 2005 Anthony Liguori <anthony@codemonkey.ws> * * Network Block Device @@ -83,18 +83,37 @@ typedef struct NBDReply NBDReply; #define NBD_FLAG_C_FIXED_NEWSTYLE (1 << 0) /* Fixed newstyle protocol. */ #define NBD_FLAG_C_NO_ZEROES (1 << 1) /* End handshake without zeroes. */ -/* Reply types. */ +/* Option requests. */ +#define NBD_OPT_EXPORT_NAME (1) +#define NBD_OPT_ABORT (2) +#define NBD_OPT_LIST (3) +/* #define NBD_OPT_PEEK_EXPORT (4) not in use */ +#define NBD_OPT_STARTTLS (5) +#define NBD_OPT_INFO (6) +#define NBD_OPT_GO (7) +#define NBD_OPT_STRUCTURED_REPLY (8) + +/* Option reply types. */ #define NBD_REP_ERR(value) ((UINT32_C(1) << 31) | (value)) #define NBD_REP_ACK (1) /* Data sending finished. */ #define NBD_REP_SERVER (2) /* Export description. */ - -#define NBD_REP_ERR_UNSUP NBD_REP_ERR(1) /* Unknown option */ -#define NBD_REP_ERR_POLICY NBD_REP_ERR(2) /* Server denied */ -#define NBD_REP_ERR_INVALID NBD_REP_ERR(3) /* Invalid length */ -#define NBD_REP_ERR_PLATFORM NBD_REP_ERR(4) /* Not compiled in */ -#define NBD_REP_ERR_TLS_REQD NBD_REP_ERR(5) /* TLS required */ -#define NBD_REP_ERR_SHUTDOWN NBD_REP_ERR(7) /* Server shutting down */ +#define NBD_REP_INFO (3) /* NBD_OPT_INFO/GO. */ + +#define NBD_REP_ERR_UNSUP NBD_REP_ERR(1) /* Unknown option */ +#define NBD_REP_ERR_POLICY NBD_REP_ERR(2) /* Server denied */ +#define NBD_REP_ERR_INVALID NBD_REP_ERR(3) /* Invalid length */ +#define NBD_REP_ERR_PLATFORM NBD_REP_ERR(4) /* Not compiled in */ +#define NBD_REP_ERR_TLS_REQD NBD_REP_ERR(5) /* TLS required */ +#define NBD_REP_ERR_UNKNOWN NBD_REP_ERR(6) /* Export unknown */ +#define NBD_REP_ERR_SHUTDOWN NBD_REP_ERR(7) /* Server shutting down */ +#define NBD_REP_ERR_BLOCK_SIZE_REQD NBD_REP_ERR(8) /* Need INFO_BLOCK_SIZE */ + +/* Info types, used during NBD_REP_INFO */ +#define NBD_INFO_EXPORT 0 +#define NBD_INFO_NAME 1 +#define NBD_INFO_DESCRIPTION 2 +#define NBD_INFO_BLOCK_SIZE 3 /* Request flags, sent from client to server during transmission phase */ #define NBD_CMD_FLAG_FUA (1 << 0) /* 'force unit access' during write */ |