X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=blockdev-nbd.c;h=66eebab31875dfab1d18a898ca9b18a186c10f91;hb=23e1d054112cec1e9d3a29eb27b89335f42d3479;hp=3a5479bdad9f64a23b86f40af8636db5eab294ee;hpb=c7b02d7d032d6022060e4b393827c963c93ce63f;p=mirror_qemu.git diff --git a/blockdev-nbd.c b/blockdev-nbd.c index 3a5479bdad..66eebab318 100644 --- a/blockdev-nbd.c +++ b/blockdev-nbd.c @@ -14,8 +14,8 @@ #include "sysemu/block-backend.h" #include "hw/block/block.h" #include "qapi/error.h" +#include "qapi/qapi-commands-block.h" #include "sysemu/sysemu.h" -#include "qmp-commands.h" #include "block/nbd.h" #include "io/channel-socket.h" #include "io/net-listener.h" @@ -23,6 +23,7 @@ typedef struct NBDServerData { QIONetListener *listener; QCryptoTLSCreds *tlscreds; + char *tlsauthz; } NBDServerData; static NBDServerData *nbd_server; @@ -36,8 +37,7 @@ static void nbd_accept(QIONetListener *listener, QIOChannelSocket *cioc, gpointer opaque) { qio_channel_set_name(QIO_CHANNEL(cioc), "nbd-server"); - nbd_client_new(NULL, cioc, - nbd_server->tlscreds, NULL, + nbd_client_new(cioc, nbd_server->tlscreds, nbd_server->tlsauthz, nbd_blockdev_client_closed); } @@ -53,6 +53,7 @@ static void nbd_server_free(NBDServerData *server) if (server->tlscreds) { object_unref(OBJECT(server->tlscreds)); } + g_free(server->tlsauthz); g_free(server); } @@ -88,7 +89,7 @@ static QCryptoTLSCreds *nbd_get_tls_creds(const char *id, Error **errp) void nbd_server_start(SocketAddress *addr, const char *tls_creds, - Error **errp) + const char *tls_authz, Error **errp) { if (nbd_server) { error_setg(errp, "NBD server already running"); @@ -118,6 +119,8 @@ void nbd_server_start(SocketAddress *addr, const char *tls_creds, } } + nbd_server->tlsauthz = g_strdup(tls_authz); + qio_net_listener_set_client_func(nbd_server->listener, nbd_accept, NULL, @@ -132,20 +135,23 @@ void nbd_server_start(SocketAddress *addr, const char *tls_creds, void qmp_nbd_server_start(SocketAddressLegacy *addr, bool has_tls_creds, const char *tls_creds, + bool has_tls_authz, const char *tls_authz, Error **errp) { SocketAddress *addr_flat = socket_address_flatten(addr); - nbd_server_start(addr_flat, tls_creds, errp); + nbd_server_start(addr_flat, tls_creds, tls_authz, errp); qapi_free_SocketAddress(addr_flat); } void qmp_nbd_server_add(const char *device, bool has_name, const char *name, - bool has_writable, bool writable, Error **errp) + bool has_writable, bool writable, + bool has_bitmap, const char *bitmap, Error **errp) { BlockDriverState *bs = NULL; BlockBackend *on_eject_blk; NBDExport *exp; + int64_t len; if (!nbd_server) { error_setg(errp, "NBD server not running"); @@ -168,6 +174,13 @@ void qmp_nbd_server_add(const char *device, bool has_name, const char *name, return; } + len = bdrv_getlength(bs); + if (len < 0) { + error_setg_errno(errp, -len, + "Failed to determine the NBD export's length"); + return; + } + if (!has_writable) { writable = false; } @@ -175,14 +188,13 @@ void qmp_nbd_server_add(const char *device, bool has_name, const char *name, writable = false; } - exp = nbd_export_new(bs, 0, -1, writable ? 0 : NBD_FLAG_READ_ONLY, + exp = nbd_export_new(bs, 0, len, name, NULL, bitmap, + writable ? 0 : NBD_FLAG_READ_ONLY, NULL, false, on_eject_blk, errp); if (!exp) { return; } - nbd_export_set_name(exp, name); - /* The list of named exports has a strong reference to this export now and * our only way of accessing it is through nbd_export_find(), so we can drop * the strong reference that is @exp. */ @@ -215,6 +227,11 @@ void qmp_nbd_server_remove(const char *name, void qmp_nbd_server_stop(Error **errp) { + if (!nbd_server) { + error_setg(errp, "NBD server not running"); + return; + } + nbd_export_close_all(); nbd_server_free(nbd_server);