diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/block/nbd.h | 31 |
1 files changed, 22 insertions, 9 deletions
diff --git a/include/block/nbd.h b/include/block/nbd.h index 1971b55789..4faf394e34 100644 --- a/include/block/nbd.h +++ b/include/block/nbd.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2016-2017 Red Hat, Inc. + * Copyright (C) 2016-2019 Red Hat, Inc. * Copyright (C) 2005 Anthony Liguori <anthony@codemonkey.ws> * * Network Block Device @@ -263,26 +263,39 @@ struct NBDExportInfo { bool request_sizes; char *x_dirty_bitmap; + /* Set by client before nbd_receive_negotiate(), or by server results + * during nbd_receive_export_list() */ + char *name; /* must be non-NULL */ + /* In-out fields, set by client before nbd_receive_negotiate() and * updated by server results during nbd_receive_negotiate() */ bool structured_reply; bool base_allocation; /* base:allocation context for NBD_CMD_BLOCK_STATUS */ - /* Set by server results during nbd_receive_negotiate() */ + /* Set by server results during nbd_receive_negotiate() and + * nbd_receive_export_list() */ uint64_t size; uint16_t flags; uint32_t min_block; uint32_t opt_block; uint32_t max_block; - uint32_t meta_base_allocation_id; + uint32_t context_id; + + /* Set by server results during nbd_receive_export_list() */ + char *description; + int n_contexts; + char **contexts; }; typedef struct NBDExportInfo NBDExportInfo; -int nbd_receive_negotiate(QIOChannel *ioc, const char *name, - QCryptoTLSCreds *tlscreds, const char *hostname, - QIOChannel **outioc, NBDExportInfo *info, - Error **errp); +int nbd_receive_negotiate(QIOChannel *ioc, QCryptoTLSCreds *tlscreds, + const char *hostname, QIOChannel **outioc, + NBDExportInfo *info, Error **errp); +void nbd_free_export_list(NBDExportInfo *info, int count); +int nbd_receive_export_list(QIOChannel *ioc, QCryptoTLSCreds *tlscreds, + const char *hostname, NBDExportInfo **info, + Error **errp); int nbd_init(int fd, QIOChannelSocket *sioc, NBDExportInfo *info, Error **errp); int nbd_send_request(QIOChannel *ioc, NBDRequest *request); @@ -294,8 +307,8 @@ int nbd_errno_to_system_errno(int err); typedef struct NBDExport NBDExport; typedef struct NBDClient NBDClient; -NBDExport *nbd_export_new(BlockDriverState *bs, off_t dev_offset, off_t size, - const char *name, const char *description, +NBDExport *nbd_export_new(BlockDriverState *bs, uint64_t dev_offset, + uint64_t size, const char *name, const char *desc, const char *bitmap, uint16_t nbdflags, void (*close)(NBDExport *), bool writethrough, BlockBackend *on_eject_blk, Error **errp); |