From patchwork Tue Oct 19 14:32:28 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ryan Harper X-Patchwork-Id: 68343 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [199.232.76.165]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 0A8D6B70D4 for ; Wed, 20 Oct 2010 01:44:38 +1100 (EST) Received: from localhost ([127.0.0.1]:48145 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1P8DLr-0001nM-V8 for incoming@patchwork.ozlabs.org; Tue, 19 Oct 2010 10:39:43 -0400 Received: from [140.186.70.92] (port=37184 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1P8DJX-0008Mo-0V for qemu-devel@nongnu.org; Tue, 19 Oct 2010 10:37:20 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1P8DF4-00057j-6w for qemu-devel@nongnu.org; Tue, 19 Oct 2010 10:32:43 -0400 Received: from e7.ny.us.ibm.com ([32.97.182.137]:51548) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1P8DF4-00056F-2Y for qemu-devel@nongnu.org; Tue, 19 Oct 2010 10:32:42 -0400 Received: from d01relay05.pok.ibm.com (d01relay05.pok.ibm.com [9.56.227.237]) by e7.ny.us.ibm.com (8.14.4/8.13.1) with ESMTP id o9JEGle7013854 for ; Tue, 19 Oct 2010 10:16:47 -0400 Received: from d01av02.pok.ibm.com (d01av02.pok.ibm.com [9.56.224.216]) by d01relay05.pok.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id o9JEWaXc065188 for ; Tue, 19 Oct 2010 10:32:36 -0400 Received: from d01av02.pok.ibm.com (loopback [127.0.0.1]) by d01av02.pok.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id o9JEWaU0014143 for ; Tue, 19 Oct 2010 12:32:36 -0200 Received: from localhost.localdomain (sig-9-65-52-82.mts.ibm.com [9.65.52.82]) by d01av02.pok.ibm.com (8.14.4/8.13.1/NCO v10.0 AVin) with ESMTP id o9JEWVYp013625; Tue, 19 Oct 2010 12:32:35 -0200 From: Ryan Harper To: Date: Tue, 19 Oct 2010 09:32:28 -0500 Message-Id: <1287498749-10400-2-git-send-email-ryanh@us.ibm.com> X-Mailer: git-send-email 1.6.3.3 In-Reply-To: <1287498749-10400-1-git-send-email-ryanh@us.ibm.com> References: <1287498749-10400-1-git-send-email-ryanh@us.ibm.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6, seldom 2.4 (older, 4) Cc: Stefan Hajnoczi , Anthony Liguori , Ryan Harper , Kevin Wolf Subject: [Qemu-devel] [PATCH 1/2] v2 Add drive_get_by_id X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Add a function to find a drive by id string. Changes since v1: -Coding Style fix Signed-off-by: Ryan Harper --- blockdev.c | 13 +++++++++++++ blockdev.h | 1 + 2 files changed, 14 insertions(+), 0 deletions(-) diff --git a/blockdev.c b/blockdev.c index ff7602b..5fc3b9b 100644 --- a/blockdev.c +++ b/blockdev.c @@ -75,6 +75,19 @@ DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit) return NULL; } +DriveInfo *drive_get_by_id(const char *id) +{ + DriveInfo *dinfo; + + QTAILQ_FOREACH(dinfo, &drives, next) { + if (strcmp(id, dinfo->id)) { + continue; + } + return dinfo; + } + return NULL; +} + int drive_get_max_bus(BlockInterfaceType type) { int max_bus; diff --git a/blockdev.h b/blockdev.h index 653affc..19c6915 100644 --- a/blockdev.h +++ b/blockdev.h @@ -38,6 +38,7 @@ DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit); int drive_get_max_bus(BlockInterfaceType type); void drive_uninit(DriveInfo *dinfo); DriveInfo *drive_get_by_blockdev(BlockDriverState *bs); +DriveInfo *drive_get_by_id(const char *id); QemuOpts *drive_add(const char *file, const char *fmt, ...) GCC_FMT_ATTR(2, 3); DriveInfo *drive_init(QemuOpts *arg, int default_to_scsi, int *fatal_error);