From patchwork Tue Jun 21 12:13:12 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Hajnoczi X-Patchwork-Id: 9190431 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 08188601C0 for ; Tue, 21 Jun 2016 12:18:03 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id ECF4628111 for ; Tue, 21 Jun 2016 12:18:02 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E1BA528159; Tue, 21 Jun 2016 12:18:02 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 9333728111 for ; Tue, 21 Jun 2016 12:18:02 +0000 (UTC) Received: from localhost ([::1]:51369 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bFKcz-0001Xe-LI for patchwork-qemu-devel@patchwork.kernel.org; Tue, 21 Jun 2016 08:18:01 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55690) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bFKYc-0006PB-4d for qemu-devel@nongnu.org; Tue, 21 Jun 2016 08:13:36 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bFKYa-0006JO-42 for qemu-devel@nongnu.org; Tue, 21 Jun 2016 08:13:29 -0400 Received: from mx1.redhat.com ([209.132.183.28]:57197) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bFKYZ-0006JH-Uj for qemu-devel@nongnu.org; Tue, 21 Jun 2016 08:13:28 -0400 Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 9AE59C049D5C; Tue, 21 Jun 2016 12:13:27 +0000 (UTC) Received: from localhost (ovpn-112-25.ams2.redhat.com [10.36.112.25]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5LCDQ8O026306; Tue, 21 Jun 2016 08:13:27 -0400 From: Stefan Hajnoczi To: qemu-devel@nongnu.org Date: Tue, 21 Jun 2016 13:13:12 +0100 Message-Id: <1466511196-12612-4-git-send-email-stefanha@redhat.com> In-Reply-To: <1466511196-12612-1-git-send-email-stefanha@redhat.com> References: <1466511196-12612-1-git-send-email-stefanha@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Tue, 21 Jun 2016 12:13:27 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v4 3/7] virtio-blk: tell dataplane which vq to notify X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Fam Zheng , Stefan Hajnoczi , Ming Lei , Christian Borntraeger , Roman Pen , Paolo Bonzini Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP Let the virtio_blk_data_plane_notify() caller decide which virtqueue to notify. This will allow the function to be used with multiqueue. Signed-off-by: Stefan Hajnoczi --- hw/block/dataplane/virtio-blk.c | 4 ++-- hw/block/dataplane/virtio-blk.h | 2 +- hw/block/virtio-blk.c | 2 +- 3 files changed, 4 insertions(+), 4 deletions(-) diff --git a/hw/block/dataplane/virtio-blk.c b/hw/block/dataplane/virtio-blk.c index 7ef1dc8..9fd97d8 100644 --- a/hw/block/dataplane/virtio-blk.c +++ b/hw/block/dataplane/virtio-blk.c @@ -47,9 +47,9 @@ struct VirtIOBlockDataPlane { }; /* Raise an interrupt to signal guest, if necessary */ -void virtio_blk_data_plane_notify(VirtIOBlockDataPlane *s) +void virtio_blk_data_plane_notify(VirtIOBlockDataPlane *s, VirtQueue *vq) { - set_bit(0, s->batch_notify_vqs); + set_bit(virtio_get_queue_index(vq), s->batch_notify_vqs); qemu_bh_schedule(s->bh); } diff --git a/hw/block/dataplane/virtio-blk.h b/hw/block/dataplane/virtio-blk.h index 0714c11..b1f0b95 100644 --- a/hw/block/dataplane/virtio-blk.h +++ b/hw/block/dataplane/virtio-blk.h @@ -26,6 +26,6 @@ void virtio_blk_data_plane_destroy(VirtIOBlockDataPlane *s); void virtio_blk_data_plane_start(VirtIOBlockDataPlane *s); void virtio_blk_data_plane_stop(VirtIOBlockDataPlane *s); void virtio_blk_data_plane_drain(VirtIOBlockDataPlane *s); -void virtio_blk_data_plane_notify(VirtIOBlockDataPlane *s); +void virtio_blk_data_plane_notify(VirtIOBlockDataPlane *s, VirtQueue *vq); #endif /* HW_DATAPLANE_VIRTIO_BLK_H */ diff --git a/hw/block/virtio-blk.c b/hw/block/virtio-blk.c index 0df7b35..fa05e41 100644 --- a/hw/block/virtio-blk.c +++ b/hw/block/virtio-blk.c @@ -55,7 +55,7 @@ static void virtio_blk_req_complete(VirtIOBlockReq *req, unsigned char status) stb_p(&req->in->status, status); virtqueue_push(s->vq, &req->elem, req->in_len); if (s->dataplane_started && !s->dataplane_disabled) { - virtio_blk_data_plane_notify(s->dataplane); + virtio_blk_data_plane_notify(s->dataplane, s->vq); } else { virtio_notify(vdev, s->vq); }