From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:33969) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TJ1it-0005gn-O6 for qemu-devel@nongnu.org; Tue, 02 Oct 2012 08:37:20 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TJ1ip-0005n0-6F for qemu-devel@nongnu.org; Tue, 02 Oct 2012 08:37:15 -0400 Received: from mx1.redhat.com ([209.132.183.28]:52862) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TJ1io-0005mr-Tf for qemu-devel@nongnu.org; Tue, 02 Oct 2012 08:37:11 -0400 Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id q92Cb9O4010097 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Tue, 2 Oct 2012 08:37:09 -0400 Date: Tue, 2 Oct 2012 09:38:04 -0300 From: Luiz Capitulino Message-ID: <20121002093804.18284105@doriath.home> In-Reply-To: <1349103144-6827-10-git-send-email-pbonzini@redhat.com> References: <1349103144-6827-1-git-send-email-pbonzini@redhat.com> <1349103144-6827-10-git-send-email-pbonzini@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH v2 9/9] hmp: add NBD server commands List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Paolo Bonzini Cc: qemu-devel@nongnu.org On Mon, 1 Oct 2012 16:52:24 +0200 Paolo Bonzini wrote: > Signed-off-by: Paolo Bonzini Acked-by: Luiz Capitulino > --- > hmp-commands.hx | 29 +++++++++++++++++++++++++++++ > hmp.c | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ > hmp.h | 2 ++ > 3 file modificati, 86 inserzioni(+) > > diff --git a/hmp-commands.hx b/hmp-commands.hx > index ed67e99..b0af484 100644 > --- a/hmp-commands.hx > +++ b/hmp-commands.hx > @@ -1247,6 +1247,35 @@ Remove all matches from the access control list, and set the default > policy back to @code{deny}. > ETEXI > > + { > + .name = "nbd_server_start", > + .args_type = "writable:-w,uri:s", > + .params = "nbd_server_start [-w] host:port", > + .help = "serve block devices on the given host and port", > + .mhandler.cmd = hmp_nbd_server_start, > + }, > +STEXI > +@item nbd_server_start @var{host}:@var{port} > +@findex nbd_server_start > +Start an NBD server on the given host and/or port, and serve all of the > +virtual machine's block devices that have an inserted media on it. > +The @option{-w} option makes the devices writable. > +ETEXI > + > + { > + .name = "nbd_server_stop", > + .args_type = "", > + .params = "nbd_server_stop", > + .help = "stop serving block devices using the NBD protocol", > + .mhandler.cmd = hmp_nbd_server_stop, > + }, > +STEXI > +@item nbd_server_stop > +@findex nbd_server_stop > +Stop the QEMU embedded NBD server. > +ETEXI > + > + > #if defined(TARGET_I386) > > { > diff --git a/hmp.c b/hmp.c > index ba6fbd3..3d27628 100644 > --- a/hmp.c > +++ b/hmp.c > @@ -18,6 +18,7 @@ > #include "qemu-option.h" > #include "qemu-timer.h" > #include "qmp-commands.h" > +#include "qemu_socket.h" > #include "monitor.h" > #include "console.h" > > @@ -1168,3 +1169,57 @@ void hmp_screen_dump(Monitor *mon, const QDict *qdict) > qmp_screendump(filename, &err); > hmp_handle_error(mon, &err); > } > + > +void hmp_nbd_server_start(Monitor *mon, const QDict *qdict) > +{ > + const char *uri = qdict_get_str(qdict, "uri"); > + int writable = qdict_get_try_bool(qdict, "writable", 0); > + Error *local_err = NULL; > + BlockInfoList *block_list, *info; > + SocketAddress *addr; > + > + /* First check if the address is valid and start the server. */ > + addr = socket_parse(uri, &local_err); > + if (local_err != NULL) { > + goto exit; > + } > + > + qmp_nbd_server_start(addr, &local_err); > + qapi_free_SocketAddress(addr); > + if (local_err != NULL) { > + goto exit; > + } > + > + /* Then try adding all block devices. If one fails, close all and > + * exit. > + */ > + block_list = qmp_query_block(NULL); > + > + for (info = block_list; info; info = info->next) { > + if (!info->value->has_inserted) { > + continue; > + } > + > + qmp_nbd_server_add(info->value->device, > + true, !info->value->inserted->ro && writable, > + &local_err); > + > + if (local_err != NULL) { > + qmp_nbd_server_stop(NULL); > + break; > + } > + } > + > + qapi_free_BlockInfoList(block_list); > + > +exit: > + hmp_handle_error(mon, &local_err); > +} > + > +void hmp_nbd_server_stop(Monitor *mon, const QDict *qdict) > +{ > + Error *errp = NULL; > + > + qmp_nbd_server_stop(&errp); > + hmp_handle_error(mon, &errp); > +} > diff --git a/hmp.h b/hmp.h > index 48b9c59..0d02479 100644 > --- a/hmp.h > +++ b/hmp.h > @@ -73,5 +73,7 @@ void hmp_getfd(Monitor *mon, const QDict *qdict); > void hmp_closefd(Monitor *mon, const QDict *qdict); > void hmp_send_key(Monitor *mon, const QDict *qdict); > void hmp_screen_dump(Monitor *mon, const QDict *qdict); > +void hmp_nbd_server_start(Monitor *mon, const QDict *qdict); > +void hmp_nbd_server_stop(Monitor *mon, const QDict *qdict); > > #endif