From patchwork Mon Mar 11 02:43:59 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wanlong Gao X-Patchwork-Id: 2246351 Return-Path: X-Original-To: patchwork-kvm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork2.kernel.org (Postfix) with ESMTP id E3B1FDF24C for ; Mon, 11 Mar 2013 02:43:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753915Ab3CKCnl (ORCPT ); Sun, 10 Mar 2013 22:43:41 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:7626 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1753751Ab3CKCmg (ORCPT ); Sun, 10 Mar 2013 22:42:36 -0400 X-IronPort-AV: E=Sophos;i="4.84,820,1355068800"; d="scan'208";a="6847254" Received: from unknown (HELO tang.cn.fujitsu.com) ([10.167.250.3]) by song.cn.fujitsu.com with ESMTP; 11 Mar 2013 10:40:07 +0800 Received: from fnstmail02.fnst.cn.fujitsu.com (tang.cn.fujitsu.com [127.0.0.1]) by tang.cn.fujitsu.com (8.14.3/8.13.1) with ESMTP id r2B2gWXO007628; Mon, 11 Mar 2013 10:42:32 +0800 Received: from gaowanlong.fnst.cn.fujitsu.com ([10.167.233.84]) by fnstmail02.fnst.cn.fujitsu.com (Lotus Domino Release 8.5.3) with ESMTP id 2013031110412192-744582 ; Mon, 11 Mar 2013 10:41:21 +0800 From: Wanlong Gao To: linux-kernel@vger.kernel.org Cc: rusty@rustcorp.com.au, mst@redhat.com, asias@redhat.com, kvm@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-scsi@vger.kernel.org, JBottomley@parallels.com, pbonzini@redhat.com, Wanlong Gao Subject: [PATCH V4 2/5] virtio-scsi: pass struct virtio_scsi to virtqueue completion function Date: Mon, 11 Mar 2013 10:43:59 +0800 Message-Id: <1362969842-9145-3-git-send-email-gaowanlong@cn.fujitsu.com> X-Mailer: git-send-email 1.8.2.rc2 In-Reply-To: <1362969842-9145-1-git-send-email-gaowanlong@cn.fujitsu.com> References: <1362969842-9145-1-git-send-email-gaowanlong@cn.fujitsu.com> X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2013/03/11 10:41:21, Serialize by Router on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2013/03/11 10:41:22, Serialize complete at 2013/03/11 10:41:22 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org From: Paolo Bonzini This will be needed soon in order to retrieve the per-target struct. Cc: linux-scsi@vger.kernel.org Signed-off-by: Paolo Bonzini Signed-off-by: Wanlong Gao --- drivers/scsi/virtio_scsi.c | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c index 75ccde1..fdb0132 100644 --- a/drivers/scsi/virtio_scsi.c +++ b/drivers/scsi/virtio_scsi.c @@ -106,7 +106,7 @@ static void virtscsi_compute_resid(struct scsi_cmnd *sc, u32 resid) * * Called with vq_lock held. */ -static void virtscsi_complete_cmd(void *buf) +static void virtscsi_complete_cmd(struct virtio_scsi *vscsi, void *buf) { struct virtio_scsi_cmd *cmd = buf; struct scsi_cmnd *sc = cmd->sc; @@ -167,7 +167,8 @@ static void virtscsi_complete_cmd(void *buf) sc->scsi_done(sc); } -static void virtscsi_vq_done(struct virtqueue *vq, void (*fn)(void *buf)) +static void virtscsi_vq_done(struct virtio_scsi *vscsi, struct virtqueue *vq, + void (*fn)(struct virtio_scsi *vscsi, void *buf)) { void *buf; unsigned int len; @@ -175,7 +176,7 @@ static void virtscsi_vq_done(struct virtqueue *vq, void (*fn)(void *buf)) do { virtqueue_disable_cb(vq); while ((buf = virtqueue_get_buf(vq, &len)) != NULL) - fn(buf); + fn(vscsi, buf); } while (!virtqueue_enable_cb(vq)); } @@ -186,11 +187,11 @@ static void virtscsi_req_done(struct virtqueue *vq) unsigned long flags; spin_lock_irqsave(&vscsi->req_vq.vq_lock, flags); - virtscsi_vq_done(vq, virtscsi_complete_cmd); + virtscsi_vq_done(vscsi, vq, virtscsi_complete_cmd); spin_unlock_irqrestore(&vscsi->req_vq.vq_lock, flags); }; -static void virtscsi_complete_free(void *buf) +static void virtscsi_complete_free(struct virtio_scsi *vscsi, void *buf) { struct virtio_scsi_cmd *cmd = buf; @@ -207,7 +208,7 @@ static void virtscsi_ctrl_done(struct virtqueue *vq) unsigned long flags; spin_lock_irqsave(&vscsi->ctrl_vq.vq_lock, flags); - virtscsi_vq_done(vq, virtscsi_complete_free); + virtscsi_vq_done(vscsi, vq, virtscsi_complete_free); spin_unlock_irqrestore(&vscsi->ctrl_vq.vq_lock, flags); }; @@ -331,7 +332,7 @@ static void virtscsi_handle_event(struct work_struct *work) virtscsi_kick_event(vscsi, event_node); } -static void virtscsi_complete_event(void *buf) +static void virtscsi_complete_event(struct virtio_scsi *vscsi, void *buf) { struct virtio_scsi_event_node *event_node = buf; @@ -346,7 +347,7 @@ static void virtscsi_event_done(struct virtqueue *vq) unsigned long flags; spin_lock_irqsave(&vscsi->event_vq.vq_lock, flags); - virtscsi_vq_done(vq, virtscsi_complete_event); + virtscsi_vq_done(vscsi, vq, virtscsi_complete_event); spin_unlock_irqrestore(&vscsi->event_vq.vq_lock, flags); };